3.a3 Qb5 4.e3 Qf5 5.Bd3 Qe6 6.Nf3. polo – IgnacioRomero, internet, 2010.

3.a3 Qc5?? 4.c4 (4.bc5 Na6+-) 4...Nf6?? (better 4...Qc4 5.Nf3 Qe6=+) 5.bc5+- d6 (5...Na6 6.Bf6 ef6 7.d4+-) 6.cd6 Nbd7 7.d4 (7.de7 Be7 8.d4 0-0+-) 7...Kd8 (7...ed6 8.e4!+-) 8.de7 Kc7 9.Nf3 (9.ef8N Rf8 10.e3 Re8+-) 9...b6 10.ef8Q Ba6 11.c5 (better 11.Qf7 Rhf8 12.Qg7 Bc4+-) 11...Bb5 (11...Nf8?? 12.d5! N8d7 13.cb6 ab6 14.dc6 Kc6 15.Qb3+-) 12.Qd6 (12.Qf7 g6+-) 12...Kb7 13.e4! Raf8 (13...Ne4 14.Qe7 Double attack (14.Qd7 Deflection; 14.Qe7 Decoy)) 14.Bb5 Ng4 15.Qc6 (15.Bc6 Kc8 16.Qd7 Kb8 17.Qb7) 15...Kb8 16.Qd7 (16.Qd6 Kc8 17.Qd7 Kb8 18.c6 Nf2 19.Qb7) 16...Ne5 (16...Rd8 17.Qg4 Rc8 18.cb6 Rhd8 19.Qf4 Ka8 20.Qf7 Rd7 21.Qd7 ab6 22.Qc8 Ka7 23.Qa4) 17.Qd6 (17.de5 Rc8 18.Q1d6 Ka8 19.Q7c6 Rc6 20.Bc6) 17...Kb7 (17...Ka8 18.de5 Rb8 19.Bc6 Rb7 20.Qd8 Rd8 21.Qd8) 18.Ne5 Re8 (18...Rc8 19.Bc6 Rc6 20.Qc6 Kb8 21.Nd7) 19.0-0 White prepares c6 (19.Qc6 Kb8 20.Nd7) 19...Rhg8 (19...Rd8 20.Bc6 Kc8 21.Qg4 f5 22.Qf5 Rd7 23.Qfd7) 20.d5 White intends c6 (20.Qc6 Kb8 21.Nd7) 20...a5 (20...Re7 21.Qe7 Ka8 22.Bc6 Kb8 23.Qb7) 21.c6 (21.Qb6 Kc8 22.Bd7) 21...Ka7 (21...Ka8 22.Nc4 Rb8 23.Qa4 Rb7 24.Nb6 Rb6 25.Qa5 Ra6 26.Qa6) 22.Qd7 Ka8 23.Qb7 1-0. ClayPigeons (2125) - LarsenB (2085), Rated Bullet game, lichess.org, 2021.

3.a3 Qd8 4.Nf3+– d6 5.Nc3 Bf5 6.e4 Bc8 (6...Bg6 7.d4+–) 7.d4 f6 (7...a5+–) 8.Be2 Qb6 9.0-0 Qc7 (9...Nh6 10.d5+–) 10.d5 cd5 (10...Nd7 11.Nd4+–) 11.Nd5 (11.Nd5 Qd8 12.Nd4+–) 1–0. Gu2119 – Gu5412, internet, 2018.

3.Na3 d5 4.Rb1=+ Nf6 5.b5 Qa5 6.e3 e6 7.Qc1 Be7 8.Nf3 0-0 9.Be2 Nbd7 10.Nd4 c5 11.Nb3 Qc7 12.c4 b6 13.0-0 Bb7 14.d3 Bd6 15.h3 Rac8 16.Nd2 h6 17.Nc2 Rfd8 18.Ne1 Nh7 19.Nef3 Nhf8 20.Qc3 Nf6 21.a4 Ng6 22.a5 e5 23.Qc2 d4 24.e4 Nf4 25.Rfe1 Qd7 26.a6= Ba8 27.Bf1 Rf8 28.Kh2 Nh7 29.Nh4 Ng5 30.Qd1 g6 31.g4 Kh7 32.Bc1 Rce8 33.Nb3 Nge6 34.Bf4 Nf4 35.Nc1 Qe7 36.Ng2 f6 37.Nf4=+ ef4 38.f3 g5 39.Nb3 Bc7 40.Bg2 Kg7 41.Rh1 Rh8 42.Kg1 Rh7 43.h4 Reh8 44.h5 Rb8 45.Kf2 Rhh8 46.Ra1 Rhc8 47.Bh3 Qd6 ½–½. Simic,V (2080) – Boskovic,Mak (1850), ch–Central Serbia, Vrnjacka Banja SRB (4), 2007.

3.a4 a5 4.c3 ab4 5.cb4 Qb4 6.Bc3 Qb6 7.e3 d5 8.Nf3 Nd7 9.Be2 Ngf6 10.0-0 e6 11.Na3 Ba3 (11...Ne4!? 12.Bd4 c5-/+) 12.Ra3=+ 0-0 13.Ra1 c5 14.Ne5 (14.a5 Qc7=+) 14...Ne5 15.Be5 Bd7 16.Bf6 gf6 17.Qc2 f5 18.Bd3 (18.Rfb1 Qc7=+) 18...Ra5 (18...Qa5 19.Qb2-/+) 19.Rfb1 Qc7 Black prepares the advance c4 20.Qc3 Rfa8 21.Bc2 c4 (21...Ba4 22.Ba4 Ra4 23.Ra4 Ra4 24.Qf6-/+) 22.d3 (22.Rb4 b5-/+) 22...b5 (22...Ba4 23.Ba4 Ra4 24.Ra4 Ra4 25.h3-+) 23.dc4 (23.ab5 Bb5 24.d4 Bc6-/+) 23...bc4 (better 23...Qc4 24.Qd2 ba4-+) 24.e4? (better 24.Rb4-/+) 24...fe4-+ 25.Qg3?? (25.Qd2-+) 25...Qg3 26.hg3 Ba4 27.Bd1 (27.Ra2 Bc2 28.Rc2 Ra2 29.Ra2 Ra2-+) 27...Bd1 28.Ra5 Ra5 29.Rd1 Kg7 (29...c3!? 30.Kf1-+) 30.Kf1 Kf6 31.Ke2 (31.Rc1 Ra4-+) 31...Ke5 32.Ke3 (32.Rc1 Ra2 33.Kf1 Kd4-+) 32...Ra3 (better 32...d4!? 33.Ke2-+) 33.Ke2 d4 34.f4 (34.Ke1 d3 35.g4 c3-+) 34...ef3! 35.gf3 d3 (better 35...Ra2 36.Kf1 d3-+) 36.Kd2 (36.Ke3 Ra2 37.f4 Kd5 38.Rc1 Re2 39.Kf3-+) 36...Kd4 37.Re1 c3 38.Kc1 (38.Kd1 Ra1) 38…Ra1 0-1. Jimito100 (2025) - Moench (2025), Rated Bullet game, lichess.org, 2020.

3.a4 Nf6 4.b5 (4.Bc3 d6=+) 4...cb5 5.ab5 (5.e3 ba4 6.Bd4 Qa5=+) 5...Qb5 6.Bf6 gf6 (6...ef6 7.e3 Qc5 8.Nc3=+) 7.e3 Qb6 (7...Qc5 8.Nc3=+) 8.Nc3= e6 (8...Rg8 9.Rb1 Qd8 10.Nge2=+) 9.Qf3 (9.Bb5 Rg8 10.Qf3 Nc6=) 9...Bg7 (9...f5 10.Bb5=) 10.Qg3 0-0 11.Nf3 Nc6 (11...Qb2 12.Rb1 Qa3 13.Bd3+=) 12.Ra4 (12.Bd3 d5=) 12...f5 (12...Kh8 13.Rg4 Rg8 14.Rh4+/–) 13.Be2 d5 14.0-0 Rd8 15.Rb1 (15.Rh4 e5=) 15...Qc5 16.Qg5 (16.Rh4 Qd6 17.d4 Qg3 18.hg3 a6=+) 16...a6 (16...h6 17.Qg3=+) 17.Ra2 (17.Rh4 b5=+) 17...h6=+ 18.Qh4 Re8 (18...Qe7 19.Qe7 Ne7 20.Na4=+) 19.Na4 (19.Qg3 Qe7=) 19...Qa5 20.c4 (20.Nc3 Qc7=+) 20...Nb4=+ 21.Ra3 e5 (21...dc4 22.Qc4 (22.Bc4? b5–+) 22...Bf8 23.Qb3=) 22.Raa1 (22.Rab3 Qa4 23.Rb4 Qd7 24.cd5 e4–/+) 22...e4=+ 23.Nd4 dc4 24.Bc4 Bd7 25.Qh5 (25.Qg3 A) 25...Ba4? 26.Ra4 Qe5 27.Qe5 (27.Rbb4?! b5=) 27...Be5 28.Rab4 (28.Rbb4?! b5 29.Nb5 ab5 30.Bb5 Ra4 31.Ra4 Rb8+=) 28...Bd4 29.Rb7+–; B) 25...Rad8=+) 25...Re7 26.Nc3 Qc5 27.Ra4 Nd3 28.Bd5 b5 29.Ba8 ba4 30.Bd5 Bd4 31.ed4 Qd6 32.Qh4 Kg7 33.Bc4 Re8 34.Bd3 ed3 35.d5 f4 36.f3 a3 37.Qf2 Rb8 38.Qd4 Kg8 39.Re1 Qb6 40.Qb6 Rb6 41.Ra1 Rb2 42.Kf1 Rd2 43.Ra3 Rc2 44.Ke1 Kf8 45.g4 Ke7 46.Kd1 f5 (47.gf5 Bf5–/+) 0–1. pierre – Kasker, internet, 2006.

3.Bc3 Na6 4.a3 e6 (4...d6 5.Nf3=) 5.e3 (better is 5.Nf3+=) 5...Nb4?? (better is 5...d6=) 6.ab4+- (6.Bb4?! Bb4 7.ab4 Qb4+/-) 6...Bb4?? (6...Nf6+-) 7.Bg7 1-0. Wall,Bill - Clever, internet, 2004.

3.Bc3 e5 4.Be5 Qb4 5.Nf3 Nf6 (5...Qe7 6.e3=) 6.c4 (6.Bf6 gf6 7.e3 d5+=) 6...Be7 (6...Ng4 7.e3 Ne5 8.Ne5=) 7.e3 0-0 8.Be2 d6 9.Bc3 Qb6 10.a4 Qc7 11.a5 Nbd7 12.d4 a6 13.Nbd2 Re8 14.Rb1 d5 (14...b6 15.ab6 Nb6 16.Ba5+=) 15.0-0 Nf8 16.h3 (16.Qb3 Rb8+=) 16...Ng6 17.Qa4 Bd7 18.Qa2 Be6 19.Rfc1 Ne4 (19...Bf5 20.Rb6+=) 20.Ne4+/- de4 21.Ne5 (21.Nd2!?+/-) 21...Ne5= 22.de5 Qc8 (22...Red8 23.Rd1=) 23.Bf1 (23.Qc2 Bf5+=) 23...Bh4 (23...Rd8 24.Rd1=) 24.Qb2 (24.Qc2 Bf5+=) 24...Rb8 25.Bd4 (25.Qc2 Bf5+=) 25...c5 26.Bc3 Qc7 (26...Rd8 27.Be2=) 27.Rd1 Red8 28.Rd6 Rd6 (better 28...Be7!? 29.Rb6 Bf8+=) 29.ed6+/- Qd6 (better 29...Qd8!?+/-) 30.Bg7 (30.Bg7 Qd7 31.Bh6+/-) 1-0. mordor1 (2110) - arina1999 (2020), Rated Bullet game, lichess.org, 2014.

3.Bc3 e6 4.a4 Bb4?? (better is 4...Nf6+=) 5.Bg7+– 1–0. Grehl,Siegfried – Hasler,Ulrich, corr 3GMM–03, 1994.

3.c4 e6 4.c5 (4.a3!?=) 4...Bc5 (4...Qb4 5.Qc2 Na6-+ (5...Qc5? 6.Qc5 Bc5 7.Bg7+-; < 5...Bc5 6.Bg7 Bd4 7.Bh8 Bh8 8.Nc3+/-)) 5.Bg7?? (better is 5.e3 Bf8 6.a3=+) 5…Bf2 0-1. Boldetsky,Pavlo - Tardel,Olaf (1770), Landesliga2 West, 2003.

3.e3 d6 4.c3 Be6 (4...a5 5.b5=+) 5.d4 Nd7 6.a4 Nh6 7.a5 Qc7 8.Be2 g6 9.h3 Bg7 10.Nf3 0-0 11.0-0 d5 12.Nbd2 Nf6 13.c4 Nf5 14.Ne5 Nd7 15.c5 Ne5 16.de5 Be5 17.Rb1 Bb2 18.Rb2 d4 (18...b6!?=+) 19.e4+= Ng7 20.Nf3 Rad8 21.Rd2 d3 22.Bd3 Qf4 23.g3 (23.Qe2!?+=) 23...Qh6= 24.h4 Bg4 25.Be2 Rd2 26.Nd2 Be2 (26...Bh3!? 27.Re1 Rd8=+) 27.Qe2+= Ne6 28.Nf3 Rd8 29.Rd1 Rd1 30.Qd1 Kg7 (30...Qh5 31.Qd3+=) 31.Qd7 (better is 31.a6 ba6 32.Ne5+/–) 31...Qc1=+ 32.Kg2 h5?? (better is 32...Qb1 33.e5 Qb4 34.Qe7 h6=+ (34...Nc5?? 35.e6 Ne6 36.Qb4+–)) 33.Qe7 Qb1 34.Qb7 (better is 34.a6 ba6 35.Ng5 Ng5 36.hg5 Qb4 37.Qf6 Kf8 38.Qd6 Kg7 39.Qc6+–) 34...a6? (better is 34...Qe4 35.Qb8 Nd4 36.Qe5 Qe5 37.Ne5 f6+/–) 35.Qc6+– Qb4 36.Ne5?? (better is 36.Qa6 Nc5 37.Qb6 Qb6 38.ab6+–) 36...Nc5+= 37.Qd5 (37.Qc7 Qe4 38.Kh2+=) 37...Ne6? (better is 37...Qe4!? 38.Qe4 Ne4=) 38.Nd3 Qb5? (better is 38...Qc3+/–) 39.Qb5+– ab5 40.a6 Nc7 41.a7 Kf8 42.Ne5 (42.Nb4 Na8+–) 42...b4 43.Nc4 (43.Nd7 Ke8 44.Nc5 Na8+–) 43...Ke7 (43...b3 44.Kf3+–) 44.Kf1 (44.Nb6!? Kd8 45.Nd5 Na8 46.Nb4 Kc7+–) 44...Kd7 45.Ke2 Kc6 46.Kd3 Kb7 47.Nd6 Ka7 48.Nf7 Na6 49.Kc4 Kb6 50.Kb3?? (better is 50.f3!? Ka5 51.Nh8+–) 50...Ka5 (50...Nc5 51.Kb4 Ne4 52.f3 Ng3 53.Ne5+=) 51.Ne5 (51.Nd6!?+/–) 51...Nc5+= 52.Kc4 (better is 52.Kb2 Ne4 53.Ng6+/–) 52...Nb7?? (better is 52...Ne4 53.Nc6 Kb6 54.Nb4 Nf2+=) 53.Ng6 (better is 53.Nc6!? Ka4 54.Nb4 Na5 55.Kc3 Kb5+–) 53...Ka4 54.e5?? (better is 54.Ne5 Na5 55.Kd5+–) 54...b3–+ 55.Kc3?? (55.Nf4 b2 56.Nd5 Na5 57.Kd4 Nc6 58.Kc5–+) 55...Nc5 (better is 55...Ka3 56.e6 b2–+) 56.Nf4?? (better is 56.Kb2 Kb4 57.Nf4 Na4 58.Kc1+–) 56...Ka3=+ 57.e6?? (better is 57.Ne2 Ne4 58.Kd3=+) 57...b2–+ 58.e7 b1Q (better is 58...Ne4 59.Kd4 Nd6–+) 59.e8Q= Qc1?? (better is 59...Ne4 60.Kd4 Qa1 61.Ke3 Qe1 62.Ne2 Qf2 63.Kd3 Qf3 (63...Ng3?? 64.Qa8 Kb4 65.Qb8 Ka5 66.Qe5 Kb4 67.Ng3+–) 64.Kd4 Nd2+=) 60.Kd4+– Nb3 61.Ke5?? (better is 61.Kd5 Qd2 62.Kc6 Qc3 63.Kd6 Qc5 64.Ke6 Qb6 65.Kf5 Qf2 66.Qh5 Qg3 67.Qh6+–) 61...Qe1–+ 62.Kf5 Qe8 63.Kg5 Qe7 (better is 63...Qf7!? 64.Nh5 Nd4 65.Kh6–+) 64.Kh5 Nd4 65.Kg4 (65.f3 Qh7 66.Kg5 Qg7 67.Ng6 Ne6 68.Kf5 Qf7 69.Ke4 Qg6 70.Ke5 Nc5–+) 65...Qg7 66.Kh3 Nf5 (better is 66...Qd7 67.Kg2–+) 67.g4 (67.h5 Qg5–+) 67...Nh6 (67...Qc3 68.Kh2 Nh4 69.Nd5 Qe5 70.Kh3–+) 68.f3 (68.g5 Qd7 69.Kg2 Qg4 70.Kf1 Nf5–+) 68...Qb2 (68...Qc3!? 69.Kg2 Qd2 70.Kg3 Qe1 71.Kg2 Ng4 72.fg4 Qe4 73.Kg3 Qe3 74.Kg2 Qf4 75.h5–+) 69.Kg3 (69.Ne6 Qf2 70.Ng5 Kb4–+) 69...Qc1 (better is 69...Qe5–+) 70.g5 (70.Ng2–+) 70...Nf5 71.Kg4 Ne3 72.Kh5 Qc8 (better is 72...Qc7 73.Kg6 Qf4–+) 73.g6 Qh8 74.Kg5–+ Qd8 75.Kh6 (75.Kh5 Qf6 76.Nh3 Qf3 77.Kh6 Qh3 78.Kg5–+) 75...Nf5 76.Kh7 Qe7 77.g7 Qg7# 0–1. MasterofDisaster – ANONIMO, Live Game Caissa's Web, 2004.

3.Nf3?! a5 4.Bd4 Qb4 5.a3 (5.Nc3 d5=) 5...Qd6 6.Nc3 Qg6 (6...b5!?=) 7.Na4+/– Na6 (7...Ra6 8.Qb1 d5+/–) 8.Nb6+– Rb8 9.Qb1 (< 9.Nc8 Rc8 10.Bb6 Nf6+=) 9...d6? (better is 9...e5 10.Ne5 Qe4+/–) 10.Nc8+– c5 (10...Nc7 11.Na7 Na6+–) 11.Qb5 Kd8 12.Nb6 (12...Kc7 13.Rb1+–) 1–0. Trkn – CoolChessWiz, ICC, 2005.

3.f4 Qb4-/+ 4.Qc1 Qf4 5.Nf3 Qc7 6.Nc3 Nf6 7.e4 e5 8.d4 d6 (8...ed4 9.Nd4 Qb6 10.Bd3-+) 9.de5 (9.Qg5 Nbd7-+) 9...de5-+ 10.Bc4 Bc5 11.Qg5 0-0 12.Ne5?? (12.0-0-0 b5 13.Bb3-+) 12...Bd4 (better 12...h6 13.Qg3 Bd6-+) 13.Nf3 (13.Nf7 Rf7 14.0-0-0=+) 13...Bb6?? (better 13...Qb6!? 14.Bb3 Be3-+) 14.0-0-0 (14.Nd5 h6 15.Nf6 (15.Nc7?! hg5 16.Na8 Ba5 17.Kf1 Ne4+-) 15...Kh8 16.Qh4+-) 14...h6-/+ 15.Qh4 Ng4 16.h3? (16.Ba3 Re8 17.Bd6 Be3 18.Kb1-/+) 16...Ne3-+ 17.Bb3 Nd1 18.Rd1 Nd7 19.Ne2 (better 19.Kb1-+) 19...Nc5?? (19...Re8 20.Qh5 Nc5 21.Be5 Nb3 22.ab3 Be3 23.Kb1-+) 20.Nf4?? (better 20.Be5 Nb3 21.Kb2 Qe5 22.Ne5+=) 20...Nb3-+ (20...Ne4 21.Ng6 Ng5 22.Nf8 Nf3 23.Qe4 Kf8 24.gf3 Bh3 25.Be5+/-) 21.ab3 (21.Kb1 Be3 22.Nh5 Nd2 23.Nd2 f6-+) 21...f6 (better 21...Be3 22.Kb1 Qf4-+) 22.Nh5 (22.e5 Bf5 23.Nh5-+) 22...Qf7 23.Nf4 (23.g4 Be6-+) 23...Be6 (better 23...g5 24.Qh6 Be3 25.Kb1 Bf4 26.e5-+) 24.Qg3 Kh7 (24...Rfd8 25.Re1-+) 25.Nh4 (25.Nd4 Bd4 26.Bd4 Rfd8-+) 25...g5 26.Ne6 gh4?? (better 26...Qe6 27.Nf5 Qe4 28.Rd7 Kg6 29.Nh4 Kh5-+) 27.Qg4 Rg8?? (better 27...Rad8 28.Nf8 Qf8 29.Qf5 Kg8+/-) 28.Qf5+- Qg6 (28...Rg6 29.Nf4 Be3 30.Kb1 Bf4+-) 29.Nf4 (29.Rd7 Kh8 30.Bf6 Rg7 31.Qg6 Be3 32.Kb1 Rag8 33.Rg7 Rg7 34.Qg7) 29...Rae8 (better 29...Be3 30.Kb1 Qf5 31.ef5 Bf4 32.Bf6 Rg2 33.Rd7 Kg8 34.Bh4 Be5-+) 30.Rd7 (30.Qg6 Rg6 31.Ng6 Kg6=+; worse 30.Ng6 Be3 31.Kb1 Bd4 32.Nf8 Kg7 33.Rd4 Ref8 34.Rd7 Rf7 35.Bf6 Kf8 36.Rd8) 30...Kh8 (30...Re7 31.Re7 Kh8 32.Ng6 Rg6 33.Qc8 Bd8 34.Qd8 Rg8 35.Bf6) 31.Ng6 (31.Bf6 Qg7 32.Ng6 Kh7 33.Nf8 Kh8 34.Qh7) 31...Rg6 32.Qg6 (32.Qg6 Be3 33.Kb1 Re7 34.Re7 a5 35.Bf6; 32.Bf6 Rg7 33.Bg7 Kg8 34.Qf7 Kh7 35.Be5) 1-0. Giorgio_C (2145) - igo1 (2245), Rated Bullet game, lichess.org, 2015.

3.h4 Qb4=+ 4.Bc3 Qb6 5.Na3 (5.Nf3!?=+) 5...d5–/+ 6.Rb1 Qc7 7.Nf3 Nd7 8.h5 h6 9.Rb2 (9.e3!?–/+) 9...e5–+ 10.Nb1 Ngf6 11.a4 (11.e3 Bd6–+) 11...Bd6 (11...d4 12.Bb4 c5 13.Ba3–+) 12.Ra2 0-0 13.e3 c5 14.d4? (14.Nh4 a6–+) 14...e4 (better 14...cd4 15.ed4 e4–+) 15.Nfd2 c4 16.Na3 (16.Bb2 Nb8–+) 16...a6 17.g4 (17.a5 Nb8–+) 17...Nh7 (17...Nb6 18.Ba5 Qc6 19.Bb6 Qb6 20.Rg1–+) 18.Nac4 (18.Be2 Ng5–+) 18...dc4 19.Ne4 Be7 (19...Ndf6 20.Nd6 Qd6 21.Be2–+) 20.Nd2 (20.d5 Bf6 21.a5 Bc3 22.Nc3 Ndf6–+) 20...b6 (20...Ndf6 21.Bg2–+) 21.Bc4 (21.Bg2 Bb7 22.Bb7 Qb7–+) 21...Bb7 22.Rg1 (22.e4 Be4! 23.f3 Bb7–+) 22...Ng5 23.Bb2 (23.Qa1 Rfc8 24.Bb2 Qh2–+) 23...Ne4 (23...Nf3 24.Nf3 Qc4 25.Ra1 Qb4 26.Ke2 Qb2 27.Qd3–+) 24.Ne4 (24.Bd3 Ndf6 25.Ke2–+) 24...Qc4 25.Ra1 (25.Nc3 Bb4 26.Ra1 Bc3 27.Bc3 Qc3 28.Kf1 Bf3 29.Qf3 Qa1 30.Kg2 Qa4–+) 25...Be4 26.Rc1 (26.Qe2 Qb4 27.c3 Qb3–+) 26...b5 (better 26...Qb4 27.Ke2 Qb2 28.f3–+) 27.f3 Bh7 (27...Bd5 28.Qd3 Qc7 29.Qe2–+) 28.Kf2 Rac8 29.c3 (29.Qe2 ba4 30.Qc4 Rc4–+) 29...ba4 30.e4 a3 31.Ba1 Bg5 32.Rc2 Qa4 (32...Nb6 33.Re2–+) 33.Qd3 (33.Ra2 Qa5–+) 33...Kh8 (33...Bh4 34.Kg2 Rfd8 35.Re2–+) 34.Kg3 (34.Rb1 Rfd8 35.Ra2 Nc5–+) 34...Rfd8 35.f4 White plans e5 (35.Ra2 Nc5! 36.Qd1 Qa5–+) 35...Be7 (35...Nc5 36.Qd1 Ne4 37.Kh3 Bf4 38.Qf1 Rd4 39.Qf4 Rd3 40.Kh2 Qc2 41.Rg2–+) 36.f5 (36.Re2 Nc5! 37.Qf3 Nb3–+) 36...Bg5 (36...Nc5 37.Qe2 Nb3 38.d5–+) 37.e5 (37.Ra2 Ne5! 38.Qe2 Nc4–+) 37...Nc5 (better 37...Ne5 38.Qd1 Qb3 39.Re1 Rd4 40.Qd4 Bh4 41.Kh3–+) 38.Qe2 (38.Qd1 Ne4 39.Kf3 Qc6–+) 38...Nb3 39.Ra2 Na1 40.Rga1 Rc3 41.Kh2 Qd4 42.Ra3 Rdc8 43.Rc3 Qc3 (43...Rc3 44.Qg2 Bc1 45.Qe2 Bf4 46.Kg2 Rg3 47.Kh1 Qa1 48.Qe1 Qe1 49.Kh2 Qg1) 44.Ra6 (44.Rf1 Qd4 45.Kh1 Rc3–+) 44...Qc2 (44...Bf4 45.Kg2 Qg3 46.Kf1 Rc1 47.Qd1 Rd1 48.Ke2 Re1) 45.Qc2–+ Rc2 46.Kg3 Rc8 (46...Rc5 47.Ra8 Bg8 48.Re8–+) 47.e6 (47.Ra4 Rc5 48.Re4 Bd8–+) 47...fe6 48.fe6 (48.Re6 Rc3 49.Kg2 Bg8–+) 48…Bg8 0–1. beatmeeasy (1910) – Mirandapigen (1855), lichess.org, 2020.

4.c4 a5 5.e3 Qc7 6.d4 ab4 7.ab4 Ra1 8.Ba1 d6 9.Nd2 e6 10.Ngf3 Nf6 11.Bd3 Be7 12.0-0 d5 13.c5 b6 14.Ne5 bc5 15.bc5 Nbd7 16.f4 0-0 17.Qc2 White intends f5 17...g6 18.Bc3 Bb7 19.Rb1 Ra8 20.h3 Ne5 21.f5?? (better 21.fe5 Nd7 22.e4+=) 21...Nd3-+ 22.Qd3 ef5 23.Nf3 Ne4 24.Be1 Ba6 25.Qb3 Bc4 26.Qb7 (26.Qb6 Bd8-+) 26...Qb7 27.Rb7 Bg5 (better 27...Bf8!? 28.Nd2-+) 28.Ng5 Ng5 29.Bg3 Ne4 30.Be5 Bb5 31.g4 (31.Kh2 f6 32.Bf4 g5 33.Rb8 Rb8 34.Bb8 Kf7-+) 31...f6 32.Bf4 (32.Bd6 fg4 33.hg4 Be2-+) 32...fg4 33.hg4 g5 34.Bh2 (34.Bd6-+) 34...Ra1 35.Kg2 Ra2 (35...Bf1 36.Kh1 Ba6 37.Kg2 Ra2 38.Kg1 Bb7 39.Bb8 Bc8 40.Be5 Bg4 41.Kf1 Bf3 42.Bg3 Ng3 43.Ke1 Ne4 44.Kf1 Ra1) 36.Kg1 Re2 (better 36...Nd2 37.Kf2 Nf1 38.Ke1 Nh2 39.Kd1-+) 37.Rb8 Kg7 38.Rb7 Kg6 39.Bd6 Re3 (39...Nf2 40.e4 Ng4 41.Rb5 cb5 42.ed5-+) 40.Bf8 (40.Rb8 Rd3 (40...Nd6?! 41.cd6 Re6 42.d7-+) 41.Rg8 Kf7 42.Rf8 Kg7-+) 40...Rg3 41.Kh2 Do you see the mate threat? 41...f5 (better 41...Rg4 42.Rb5 cb5 43.c6-+) 42.gf5 Kf5 43.Rh7 Kg4 44.Bd6 Rc3 45.Re7 (45.Ra7 Rc2 46.Kg1 Rc1 47.Kg2 Be2 48.Kh2 Bf3 49.Ra1 Ra1 50.Be5 Rh1) 45...Rc2 46.Kg1 Ng3 (46...Rc1 47.Kh2 Be2 48.Be5 Bf3 49.Re8 Rh1) 47.Bg3 Kg3 48.Re3 Kf4 49.Re1 g4 50.Rd1 Kg3 51.Re1 Rg2 52.Kh1 Rh2 53.Kg1 Rg2 (53...Be2 54.Ra1 Bf3 55.Ra3 Rh1) 54.Kh1 Rd2 (54...Rf2 55.Rd1 Bf1 56.Kg1 Be2 57.Re1 Rg2 58.Kh1 Rh2 59.Kg1 Bf3 60.Re3 Rh1) 55.Kg1 Rd4 (55...Rf2 56.Rb1 Be2 57.Rb3 Bf3 58.Re3 Rh2 59.Rf3 gf3 60.Kf1 Rh1) 56.Re3 Kf4 57.Re1 g3 58.Kg2 (58.Ra1 Rd2 59.Re1 d4 60.Ra1 Be2 61.Re1 Bf3 62.Ra1 Rh2 63.Rf1 Rh1) 58...Kg4 (better 58...Rd2 59.Kg1-+) 59.Kg1 (59.Rd1 Rf4 60.Rd2 Bf1 61.Kg1 Bh3 62.Rd1 d4 63.Rb1 d3 64.Ra1 d2 65.Kh1 Re4 66.Rf1 Re1 67.Rg1 Rg1 68.Kg1 d1Q) 59...Rd2 60.Re3 (60.Rb1 Bd3 61.Re1 Kh3 62.Rc1 Rg2 63.Kh1 Be4 64.Rd1 Rh2 65.Kg1 Rh1) 60...Kh3 Black plans g2 (60...Rd1 61.Re1 Re1 62.Kg2 Bf1 63.Kg1 Bh3) 61.Re1 Rg2 62.Kh1 Rh2 (62...Be2 63.Rf1 Rh2 64.Kg1 Rh1 65.Kh1 g2 66.Kg1 gf1Q) 63.Kg1 g2 (63...Be2 64.Rb1 Bf3 65.Rb8 Rh1) 64.Re3=+ Kg4 65.Kh2 Kf4 66.Re1? (66.Re8 Kf3 67.Kg1-+) 66...Bf1?? (better 66...Kf3 67.Re8 d4-+) 67.Kg1?? (67.Kg1 Kf5 68.Re8=+; 67.Re6 d4 68.Rc6+-) 1-0. BeepBeepImAJeep (2645) - ng99 (2120), lichess.org, 2016.

4.c4 d5 5.e3 Nf6 6.Nf3 Bg4 7.Qb3 (7.c5 Qc7+=) 7...e6 8.Nc3 (8.Bf6 gf6 9.Nd4 dc4 10.Bc4 c5 11.bc5 Bc5=) 8...Nbd7 9.d4 Be7 (9...dc4 10.Bc4 Bf3 11.gf3=) 10.Ne5 (10.c5 Qc7=) 10...Bf5 (10...Ne5 11.de5 Nd7 12.cd5 ed5 13.e4=) 11.cd5 (11.Nd7 Nd7 12.Be2 0-0=) 11...ed5 12.Be2 0-0 13.0-0 Ne5 14.de5 Ne4 15.Na4 Qc7 16.Rac1? (better 16.Rfc1!?=) 16...Nd2-/+ 17.Qc3 (17.Qd5 Rad8 (17...cd5?! 18.Rc7 Bd8 19.Rb7+=; 17...Nf1?! 18.Bf1 Rad8 19.Qf3=+) 18.Qa2 Nf1 19.Bf1 Rd2-/+) 17...Nf1-+ 18.Bf1 Be6 (18...f6 19.Qd2 Rac8 20.ef6 Bf6 21.Bf6 Rf6 22.Nc5-+) 19.Qd4 Rfe8 20.f4 (20.Bd3 Rad8-/+) 20...g6 (20...Rad8 21.Bd3-+) 21.Bd3-/+ Bf8 22.h3 Rac8 23.g4 Qd8 (23...Rcd8!?-+) 24.Nb6 (24.f5 Qh4 25.Kg2 gf5 26.gf5 Qd4 27.Bd4 Rc7 28.fe6 fe6+/-) 24...Qh4 25.Kg2 Bg4 (25...Rcd8 26.f5=+) 26.hg4= Qg4 27.Kf2 Qh4 28.Ke2 Qh2 (28...Rcd8!?=) 29.Kd1+/- Qg1 (29...Rcd8 30.e6 Qg1 31.Kc2 Qf2 32.Kb1 Qb2 33.Qb2 Re6+-) 30.Kc2+- Qf2 31.Kb3 c5? (better 31...Bg7 32.Nc8 Rc8+-) 32.bc5 Rc6 (32...Bg7 33.Nc8 Rc8 34.e4 Qf4 35.ed5+-) 33.Ka2 (better 33.e6 Qb2 34.Qb2 fe6 35.Qg2+-) 33...Re7 (33...Ree6 34.Nd5 Kg7 35.e4 Qd4 36.Bd4+-) 34.e4 (better 34.Nd5 Ree6 35.Nf6 Kg7 36.Rc2+-) 34...de4?? (34...Qd4 35.Bd4 de4 36.Be4 Rce6+-) 35.Qf2 ed3 36.Qe3 (36.Qd4 h5+-) 36...Rec7 37.Nd5 1-0. ClayPigeons (2105) - Kuting_24 (2190), Rated Bullet game, lichess.org, 2020.

4.c4 d6 5.e3 g5?? (better is 5...Nf6=) 6.Bh8+– f6 (6...a5+–) 7.Qh5 Kd7 8.Qh7 (better is 8.Qf7!? Qd8 9.Qg8 Kc7+–) 8...Nh6 9.Bf6 Kc7 (9...Ke8 10.Bg7 Bg7 11.Qg7+–) 10.Nc3 (better is 10.Bg5 Nf5 11.g4 Ng7 12.Be7 Be7 13.Qg7 Kd8+–) 10...Nd7 (10...Kd8 11.Bg5 Ng4 12.Nh3+–) 11.Bd4 Nf6 12.Bb6 Kb8 13.Qh8 Bf5 14.Qf8 Bc8 15.Qd8 Nd7 (15...Ne8 16.Qe8 Nf7 17.Qe7 Bd7 18.Qd7 Ra7 19.Bc7 Ka8 20.Qc8#) 16.Qc7# 1–0. _Dora_ – Toddo, ChessWorld.net, 2002.

4.c4 e6 5.a4 (better 5.c5 Qd8 6.e4+=) 5...Qb4–/+ 6.Ba3 (6.Qc2 d5–/+) 6...Qc4 7.Bf8 Kf8 8.e3 Qb4 9.Nf3 Nf6 10.Bd3 (10.Na3 d5–+) 10...g6 (10...Qe7 11.Be2–/+) 11.h4 (11.0-0 Kg7–/+) 11...h5 (11...Kg7 12.a5–+) 12.Ne5 (12.0-0 Kg7–/+) 12...Kg7 13.Qc2 d6 14.Nf7? (better 14.Nf3–+) 14...Kf7 15.Bg6 Kg7 16.Nc3 Qg4 17.Be4 Ne4 18.Ne4 d5?? (better 18...e5–+) 19.Qc3+– Kf7 20.Qh8 Nd7 (20...Qe4 21.Qc8 Qg2 22.Rf1+–) 21.Ng5 (better 21.Nd6 Ke7 22.Nc8 Rc8 23.Qc8 Qg2 24.Rf1+–) 21...Ke7 22.Qg7 (22.f3!? Qf5 23.Qh5 e5+–) 22...Kd6 23.Nf7 Kc7? (better 23...Ke7 24.Qg4 hg4+–) 24.Qg4 hg4 25.h5 The passed pawn on h5 will quickly become a dangerous weapon 25...Nf6 26.h6 Nh7 27.Ne5 b5 28.Ng4 ba4 Black fights for the Initiative 29.Ra4 Bd7 30.Ne5 Be8 31.g3 (31.Rg4 Kd6 32.f4 Rb8+–) 31...c5 32.g4 (better 32.Ra1+–) 32...Ba4–/+ 33.g5 (33.f4!? Kd6 34.Rg1=+) 33...Ng5 34.h7 Nh7 35.Rh7 Kd6 36.Nd3?? (better 36.Nf7 Kc6 37.Ne5 Kb6 38.Rh6–/+) 36...Bc2–+ 37.Nc1 (37.Rb7 Bd3 38.Rb6 Kd7–+) 37…Bh7 (37...Bh7 38.d4 c4–+) 0–1. aravind555 (1630) – paslag (1695), lichess.org, 2019.

4.c4 (4.e4 d6+=) 4...c5 (4...d6 5.e4=) 5.b5+= Nb8 6.Nc3 a6? (better is 6...Nf6+=) 7.Nd5+– Qa5?? (better is 7...Qd6 8.Nf3 f6+–) 8.b6 Qa4 (8...Kd8+–) 9.Qa4 (9.Qa4 Nc6 10.Nc7 Kd8 11.Na8+–) 1–0. pierre – tudik, internet, 2010.

4.e4 c5 5.b5 Nc7 6.a4 a6 7.Qg4 (7.Nc3!?+=) 7...ab5= 8.Bg7 (8.ab5 Ra1 9.Ba1 Nb5 10.Bg7 h5=+) 8...Bg7 (better 8...Nf6!? 9.Bf6 Qf6–/+) 9.Qg7= Qf6 10.Qf6 ef6 (better 10...Nf6!? 11.Nc3 b4=+) 11.Nc3+= Ra5 (better 11...f5!?+=) 12.Nb5 Nb5 13.Bb5 b6 (13...f5 14.e5+–) 14.c4 (14.d4 f5 15.dc5 bc5+–) 14...Bb7 15.d3 f5 16.e5?? (better 16.0-0-0+–) 16...Bg2–+ 17.0-0-0? (17.f3–+) 17...Bh1 18.Ne2 Bf3 19.Re1 Be2 20.Re2 h5 (20...Ne7 21.h3–+) 21.f4 (21.e6 fe6 22.Re6 Kf7 23.Rb6 Nf6–+) 21...h4 (21...Ne7 22.Rg2–+) 22.h3 (22.Kd2 Ne7 23.Rg2 Rh6–+) 22...Rh7 (22...Ne7!? 23.d4–+) 23.Rg2 Nh6 (23...Ne7 24.Kd2–+) 24.Kc2 Ke7 25.Kc3 Ra8 (25...f6!? 26.d4–+) 26.d4 Rg8 27.Rg8 Ng8 28.d5 (28.dc5 bc5 29.a5–+) 28...Rg7 29.d6 (29.Kd2 Rg2 30.Ke1 f6–+) 29...Ke6 30.Kb3 Rg3 31.Kb2 Rh3 (31...Rh3 32.Kc2 Rf3–+) 0–1. SieStein – karlo61, lichess.org, 2019.

4.Qc2 Qa1 5.Bb2 Qa2 6.e4 Na6 7.Nf3 Nb4 8.ab4 Qa6 9.Be2 Qb6 10.Qb3 f6 11.c5 Qc7 12.0-0 Nh6 13.d4 e6 14.Nbd2 b5 15.d5 e5 16.d6 Qd8 17.Nh4 g6 18.f4 Bg7 19.Nf5 Nf5 20.fe5 fe5 21.Rf5 Rf8 22.Rh5 Qf6 23.Re5 Kd8 24.Re8 Ke8 25.Bf6 Bf6 26.Qh3 Rf7 27.Nf3 a5 28.e5 Bd8 29.e6 de6 30.Ne5 Rg7 31.Ng6 Bg5 32.Bh5 Kd8 33.Qf3 1–0. Dupont – Diener, corr DDR 1988.

4.Qc2 Qa1 5.Bb2 Qb2 6.Qb2 Nf6 7.Nf3 d6 8.d3 Bg4 9.Nbd2 e5 10.e4 Nbd7 11.Be2 Be7 12.0-0 0-0 13.Re1 Ne8 14.d4 ed4 ½–½. Pauli – W Labahn, 1980.

4.Bd4+– Nf6 5.e3 Ne4 6.f3 Nf2 (6...Ng5 7.f4 Ne6 8.Bb2+–) 7.Kf2 e5 8.Bb2 Bb4 9.ab4 a5 10.Ra5 Ra5 11.ba5 Na6 12.Be5 Nb4 13.Bg7 d6 14.Bh8 Nd5 15.c4 Nc3 16.Nc3 Be6 17.f4 Bc4 18.Bc4 d5 19.Nd5! Kd7 20.Nb6 Kc7 21.d4 Kb8 22.Be5 Ka7 23.Nc8 Ka8 24.Qa4 f6 25.Bd6 f5 26.h4 h6 27.h5 b6 28.ab6 Kb7 29.Qa7 Kc8 30.Qc7 1–0. mihai740609 – margumek, kurnik, 2011.

(--> 1.b4 c6 2.Bb2 d5 3.a3 Qb6).

4.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3).

4.c4 e5 5.d4 d6 6.Nf3 a5 7.Qc2 ab4 8.de5 (better is 8.Qb3!?=+) 8...de5–/+ 9.e3 b3 10.Qd2 Bf5 11.Nc3 Nd7 12.e4 Bg6 13.Nh4 Bf7 14.Nf5 Qc7 15.Be2 g6 16.Ne3 Be6 17.0-0 Nh6 18.c5 (better is 18.Rfd1!?=+) 18...Rd8 19.Qc1 Nc5 20.Rd1 Nf7 21.Rd8 Nd8 22.Nf1 Be7 23.Qh6 Bf8 24.Qh4?? (24.Qc1 b5 25.Qe3–+) 24...Bg7 25.Rc1 Nd7 26.Nd5 Bd5 27.ed5 0-0 28.dc6 bc6 29.Ne3 Kh8 30.Nd5? Qd6–+ 31.Nb4?? Ne6 32.Nc6?? Qd2–+ 33.Rd1 Qe2 34.Rb1 Ndc5 35.Nb4 Nd3 (35...Nd3 36.Nd3 Qd3–+) 0–1. d4nf6 (1800) – mily358 (1625), kurnik, 2011.

4.d3 e5 5.Nd2 Bc5 (5...d5 6.e4=) 6.e3 a5?? (6...d5 7.c4 Be6 8.Be5 Be3 9.c5 Bd2 10.Qd2+=) 7.Rb1?? (better is 7.Nc4 Bb4 8.ab4+–) 7...ab4+= 8.ab4 (8.d4 Be7 9.de5 Qd8 10.ab4 Bb4+/–) 8...Be7 9.c3 Nh6 10.Ngf3 0-0 11.Be2 Na6 12.0-0 Nc7 13.Nc4 Qb5 14.d4+/– Qa4 15.de5 fe5 16.Nfe5 Bf6? 17.Ra1?? Qb3?? 18.Qb3+– Be5 19.Ne5 Kh8 20.Ra8 Na8 21.Rd1 Nb6 22.c4 d6 23.Ng4! Rd8 24.Qc3 Rd7 25.Nh6 Na4 26.Qb3 Nb2+– 27.Qb2 d5 28.cd5 cd5 29.Nf5 Rd8 30.Rd5! Rd5 31.Qg7# 1–0. golfx – holyport, kurnik, 2011.

4.Nf3 d6 5.e3 (5.e4 e5+=) 5...Be6 (5...e5 6.Be2=) 6.c4 Nd7 7.Be2 g6 (7...d5 8.c5 Qc7 9.Nc3+=) 8.0-0+– Bg7 9.d3 (9.d4 Bg4+–) 9...Nh6 10.Nbd2 Qc7 11.Rc1 0-0 12.d4 Qd8 13.e4 Bf7 14.h3 (14.d5 Qc7+–) 14...f5+= 15.e5 de5 16.de5 (16.Ne5 Ne5 17.de5 Qc7+=) 16...e6 (16...Qc7!?=) 17.Nb3+= Qc7 Will e5 fall? 18.Nc5 (18.Qd2!?+–) 18...Nc5= 19.bc5 Rfd8 20.Qc2 Kh8 (20...Qe7 21.Rfd1=) 21.Rfe1 (21.Rb1 Be8+=) 21...Ng8 (21...Qe7 22.Qb3=) 22.Bf1 (22.Rcd1 Ne7+=) 22...Bh6 (22...Qe7 23.Qb3=) 23.Rcd1+= Rd1 24.Qd1 (24.Rd1 Bg7+=) 24...Rd8 25.Qc2 (25.Qa4 Qb8+=) 25...Qa5 (25...Bf8 26.Bd4=) 26.g4 (26.Rd1!?+=) 26...fg4=+ 27.hg4 Qc5 28.g5 Bg7 29.Bg2 Ne7 30.Rd1 Rd1 31.Qd1 Qb6 32.Bd4 c5 33.Be3 Be8 (33...Nf5 34.Qd7 Bg8 35.Qd3=+) 34.Qd6 (better 34.Bc5 Qc5 35.Qd8=) 34...Bf8?? (better 34...Qd6 35.ed6 Nf5=+) 35.Bc5+– Qd6?? (better 35...Qb1!? 36.Kh2 Qf5+–) 36.Bd6 (better 36.ed6 Nf5 37.d7 Bd7 38.Bf8 Bc6+–) 36...b6 37.Nd4 Bd7 38.a4! Kg8 (38...Ba4 39.Ne6 Deflection) 39.f4 (39.Bb8 Kf7+–) 39...Kf7 40.Kf2 (40.a5+–) 40...Nc8 (40...Ba4 41.Bb8+=) 41.Bb8 (better 41.Bf8!? Kf8 42.a5+–) 41...Bc5= 42.Ke3 Bd4? (better 42...Ba4!? 43.Kd3 Bd7=) 43.Kd4+– Ke7 44.c5 (44.a5 ba5 45.c5 Bb5+–) 44...bc5 45.Kc5 Ba4 46.Bb7 Kd7 0–1. e4_e5_f4 (1720) – myrajput (1720), lichess.org, 2021.

4.Nf3 e5 5.e3 d5 6.d4 e4 7.Nfd2 Bd6 8.c4+= Ne7? 9.c5+– Bc5 10.dc5 Qc7 11.Be2 Nd7 12.0-0 Ng6 13.f3 f5 14.fe4 de4 15.Bg7 Rg8 16.Bh6 Ke7 17.Bg5 Kf7 18.Bc4 Kg7 19.Bg8 Kg8 20.Rf5 Nde5 21.Qb3 Kg7 22.Rf1 Bd7 23.Nc4 Be6 24.Nbd2 Bg4 25.Ne4 Be2 26.Ne5 Bf1 27.Ng6 hg6 28.Rf1 Re8 29.Nd6 Re5 30.Bf6 Kh7 31.Be5 Qe7 32.Rf7 Qf7 33.Qf7 Kh6 34.g4 b6 35.h4 bc5 36.Qg7# 1–0. Bull_Dog_Baz – gordiemac, ChessWorld.net, 2009.

4.c4 Ng4 5.e3 h5 6.c5 Qd8 7.Bc4 (7.Nf3 d6+=) 7...e6 (better 7...d5 8.Be2 Nd7+=) 8.h3 (8.Nf3+=) 8...b5?? (8...Nf2!? 9.Kf2 Qh4 10.g3 Qc4=+) 9.Bd3 (9.hg4 bc4 10.Rh5 Rh5 11.gh5 d5+–) 9...Nh6 (9...Nf6 10.Nc3+=) 10.Be2 (10.Qh5 a5 11.Qf3+–) 10...Be7? (10...d6 11.cd6 Nf5 12.Bh5+=) 11.Bh5 (11.Bg7 Rh7 12.Bc3 a5+–) 11...Bf6 (better 11...0-0+–) 12.Bf7?? (better 12.Bf6 Qf6 13.Nc3+–) 12...Kf7 (12...Nf7 13.Bf6 gf6 14.d4–/+) 13.Qf3 d5 14.Ne2 (14.cd6!? Nf5 15.Bf6 gf6 16.d4–/+) 14...Ke8 15.Qh5?? (15.Bf6 gf6 16.Nbc3 a5 17.ba5 e5–/+) 15...Kd7 (better 15...Nf7 16.Qg6 Bb2–+) 16.Bf6–/+ Qf8?? (16...Qf6 17.d4–/+) 17.f3?? (better 17.Bc3+–) 17...Qf6 18.Nec3?? (18.d4 a5 19.ba5 g6–+) 18...Kc7 (better 18...g6 19.Qh6 Rh6–+) 19.d4 (19.f4 Nf7 20.Qe2 a5 21.ba5 e5–/+) 19...Nd7 (better 19...g5 20.f4 gf4–+) 20.0-0?? (20.f4 a5 21.Ra2 Kd8–/+) 20...Bb7 (better 20...g6 21.Qh6 Rh6 22.f4–+) 21.Nd2?? (better 21.f4–/+) 21...Nf5 (21...g6 22.Nde4 de4 23.Ne4 gh5 24.Nf6 Nf6 25.g4–+) 22.Nce4 (22.Qg4 Rh4 23.Nde4 de4 24.Ne4–+) 22...de4 23.Ne4 Qf8 (better 23...Rh5 24.Nf6 Nf6 25.g4–+) 24.Qg4? (24.Qg5–+) 24...Ne3 25.Qg3 Kd8 (better 25...e5 26.de5 Nf1 27.Rf1 Rh5 28.e6 Ne5–+) 26.Nd6? (26.Qg5 Nf6 27.Qe3 Nd5=+) 26...Bc8 (better 26...Nf1 27.Nb7 Ke8 28.Kf1 Qf6–+) 27.Qg5=+ Nf6 28.Qe3 Nd5 29.Qg5 Kc7 (29...Kd7 30.Qd2=+) 30.Qe5 Qf7?? (better 30...Kd7=) 31.Nf7+– Kb7 32.Nh8 Bd7 33.Nf7 Ka6 34.a4 (34.Nd6 Nc3 35.a4 Na4 36.Ra4 ba4 37.Qe2) 34...g5 35.ab5 (35.Nd6 Nb4 36.ab5) 35...Kb5 (35...Kb7 36.b6! Rd8 37.Ra7 Kc8 38.b7) 36.Nd6 (36.Qe2 Kb4 37.Qb2 Kc4 38.Ne5) 36...Kb4 37.Rfb1 Kc3 38.Qe1 (38.Ra3 Kd2 39.Qe1 Kc2 40.Qd1) 38...Kd3 (38...Kd4 39.Qe4 Kc3 40.Ra3 Kd2 41.Qd3) 39.Rd1 Kc2 40.Rdc1 (40.Qd2 Kb3 41.Rdb1) 40...Kb3 (40...Kd3 41.Qe4 Kd2 42.Rc2) 41.Qd1 Kb4 42.Qa4 1–0. MARYMARY – Samparrk, ChessWorld.net, 2012.

4.e3 d5 5.Nf3 Bg4 6.Be2 a5 7.c3 (7.Bd4 Qd8=) 7...ab4 8.ab4 Ra1 9.Ba1 e6 10.0-0 Bd6 11.d4 0-0 12.Nbd2 Na6 13.h3 Bf5 14.Nh4 Bg6 (14...Ra8 15.Nf5 Nf5 16.e4 de4 17.Ne4+=) 15.Ng6+= fg6 16.Nf3 Nf5 17.Bd3 Nc7 18.Qb3 Ne7 19.e4 de4 20.Be4 Ncd5 21.Ng5 Rf6 22.Bd5 (better 22.c4!? Qb4 23.Qb4 Nb4 24.Rb1+=) 22...cd5= (22...Nd5? 23.Ne4 Qd8 24.c4+–; 22...ed5?! 23.Ne4 Re6 24.Nd6 Rd6 25.Re1=) 23.Re1 Attacks the backward pawn on e6 23...e5 (better 23...Bf4 24.Nf3 Qb5=) 24.de5?? (better 24.Qa2 ed4 25.Re7 Be7 26.Qd5 Kh8 27.Nf7 Rf7 28.Qf7+–) 24...Qf2 25.Kh1 Qe1 26.Kh2 Be5 27.g3 Rf2 0–1. retiponziani (1920) – monkfist (1900), ChessWorld.net, 2020.

4.Rb1 Qa4 5.e3 Nf6 6.Bc4 d5–/+ 7.Bb3 Qa6 8.c4 e6 9.Qc1–/+ Nbd7 10.Nf3 Be7 11.0-0 0-0 12.d4 b6 13.Bc2 Qa5 14.Bd3 Ba6 15.Nd2 dc4 16.Nac4=/+ Qh5 17.e4 c5–/+ 18.d5 ed5–+ 19.ed5 Bd6! 20.Nf3 Bc4 21.Qc4 Rae8 22.Rfe1 Ng4 23.h3=/+ Nge5 24.Ne5 Be5 25.Be5 Ne5 26.Qb3 Rd8 27.Rbd1 Rd6 28.Qb1 Nd3–/+ 29.Qd3 h6 30.Re2? Rfd8 31.Red2 Qe5 32.Qf3 a6 33.Re2 Qf6 34.Qf6 gf6–+ 35.Rb2 Kg7 36.f3 f5 37.f4 b5–+ 38.Rbd2 Re8 39.Kf2 Re4 40.Kf3 Kf6 41.g4 Ra4 42.Rc2 Ra3 43.Kf2 Rh3 44.Rc5 fg4 45.Rc6 Rc6 46.dc6 Rc3–+ 0–1. Kuehnmund,Ivan – Hora,Vratislav, CSR Army–ch (1), 1966.

4.Rb1 e5 5.Nf3 f6 6.e3 d5 7.c3 Qa5 8.Qb3 Nd7 9.Be2 Nc5 10.Qc2 –/+.

4.Rb1 Nf6 5.e3–/+ d5 6.c4 e5 7.Nc2 Qe7 8.d4 Nbd7 9.Ba3 Qe6 10.Bf8 –/+.

4.Nf3 d5-/+.

4.Nf3 Nf6 5.Nc3 e6 6.a4 Qb6 (6...d5 7.Ba3 Qa5 8.Bf8 Rf8 9.e3-/+) 7.e3 Be7 8.Be2 0-0 9.Rb1 d5 10.0-0 Qc7 11.Nd1 Nbd7 12.d4 Ne4 13.c4 dc4 14.Bc4 c5 15.Bd3 Ndf6 (better 15...Nef6!?=+) 16.Qc2+= Nd6 (16...Qc6 17.Ne5 Qd5 18.Ba3+/-) 17.dc5 (worse 17.Qc5 Qc5 18.dc5 Nde4=+) 17...Nf5 (17...Nde8 18.Bd4 Bd7+=) 18.Bd4 (18.e4 Nh6 19.e5 Nd5+/-) 18...Bd7 (18...Nd4 19.ed4 Rd8 20.Nc3=) 19.Ne5 (19.Bf5 ef5 20.Nc3 Rfc8+=) 19...Rac8 (19...Nd4 20.ed4 Rfd8 21.Ne3=) 20.Nd7+= Qd7 21.Rc1?? (better 21.Bf5 ef5 22.Qb2+=) 21...Nd4-+ 22.ed4 Qd4 23.Qb3 Bc5 24.Ne3 b6 25.Rfd1 Qf4 26.Rc4 Qe5 27.Ng4 (27.Qc2 Qg5-+) 27...Ng4 28.Rg4 Rfd8 29.Rf1 (29.Rc4 Rd5-+) 29...Rd4 (29...Qd5 30.Qb2 Bd4 31.Qe2-+) 30.Rg3 (30.Rd4 Qd4 31.Qc2 g6-+) 30...Rcd8 31.Qc2 g6 32.Rf3 (32.a5 ba5 33.Rc1 Bd6-+) 32...Rf4 (better 32...Rh4 33.h3 Bd6-+) 33.Rh3?? (33.Rf4 Qf4 34.a5 Bd4-+ (34...ba5?! 35.Bg6 hg6 36.Qc5-/+)) 33...Qd4 (better 33...Rf2 34.Qf2 Bf2 35.Kf2 Qf4 36.Rf3 Qa4-+) 34.Bb5 (34.a5 Qb4 35.Qc1 Rfd4-+) 34...Qd2 35.Qb3 (35.Qd2 Rd2 36.Rf3 Rf3 37.gf3-+) 35...Rf2 36.Kh1 (36.Qf3 Rf1 37.Kf1 Qc1 38.Qd1 Qd1) 36...Rf1 37.Bf1 Qf2 (37...Qf2 38.Qe3 Qf1 39.Qg1 Qg1) 0-1. Mootseng,Phillip - Lage,Pedro Ferreira (2120), KCF University Cup, 2021.

4.g3 Qb6 5.Bg2 Nf6 6.Nf3 d6 7.0-0 e5 8.c4 Be7 9.d4 e4 10.Ng5 d5 (better is 10...Bf5!?-/+) 11.cd5= Bf5 12.f3 (12.d6!? Bd6 13.Nc3=) 12...cd5+= 13.fe4 Be4 (worse is 13...Ne4 14.Nf7 0-0 15.Rf5 Rf7 16.Rd5+/-) 14.Ne4 de4 15.Qc8 Qd8 (15...Bd8 16.Bc3 0-0 17.Nd2=) 16.Qd8 Bd8 (16...Kd8 17.Nc3+=) 17.Nd2 Nc6 18.Ne4 Ne4 19.Be4 Bb6 20.e3 0-0 21.Rac1 Rfe8 22.Bd5 Nd8 (22...Re7 23.Rf3+/-) 23.e4 Ne6 24.Rf2 Nd4 (better is 24...Rad8!? 25.Rcf1 Rd7+/-) 25.Bf7+- Kh8 26.Be8 Re8 27.Kg2 h6 (27...Kg8 28.Rd2 Re4 29.Rc4 Re2 30.Re2 Ne2 31.Re4+-) 28.Rc4 (better is 28.Rd2 Ne6 29.Rd7 Rd8 30.Rd8 Bd8+-) 28...Re4?! (28...Nb5 29.Rd2 Re7+-) 29.Rd2 Re2 30.Re2 Ne2 31.Re4 1-0. Jacewicz,Grzegorz (2125) - Pscheidl,Udo (1825), remoteschach.de, 2010.

(--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6).

4.a3 ab4 5.ab4 Ra1 6.Ba1 d5 7.e3 Nf6 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.e3).

4.a3 ab4 5.ab4 Ra1 6.Ba1 e5 7.e3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.e3 e5).

4.a3 d5 5.e3 (5.Nf3 Nf6=) 5...Bf5 6.Qb3 (6.Nf3 Nc6=) 6...c4=+ 7.Qd1 Qg6 8.Nf3 Bc2 9.Qc1 Nc6 (9...Nf6 10.Ne5 Qf5 11.f4–/+) 10.b5=+ Nd8 11.a4 (11.Ne5 Qe4 12.f3 Qe5 13.Qc2 Nf6=) 11...e6 12.g3 (12.Ba3 Ba3 13.Na3 Be4=+) 12...Be7 (12...Be4 13.Bg2–/+) 13.Bg2 Qe4?? (13...Be4 14.Ba3–/+) 14.0-0?? (better is 14.Nh4 Qd3 15.Bf1 Bb1 16.Bd3 Bd3 17.Ba3+–) 14...Bd3 15.Re1 f6 16.Ng5 Qf5 17.Nh3 Nf7 18.Qd1 0-0-0–/+ 19.Nf4 Bc2 20.Qc1 Rd7?? 21.Ba3?? b6?? 22.Be7 Ne7 23.Qa3?? g5=+ 24.Bh3 g4–/+ 25.Bg2 e5 26.Ne2 h5 27.a5= h4 28.ab6 hg3? 29.Qc5+– Kd8 30.fg3 Qh7?? 31.Rf1 Qh2= 32.Kf2 Be4 33.Rg1 Bg2 34.Rg2 Qh1 35.ba7 Ke8 36.a8Q Nd8 37.e4 de4 38.Qe4 Rh2 39.Qcc4 f5 40.Qa8 Nd5 41.Qcd5 Rd5 42.Qd5 Rg2 43.Qg2 Qh6 44.Ra8 Qb6 45.Ke1 Qb5 46.Na3 Qc5 47.Qb7 Qd6 48.Nb5 Qd7 49.Qb6 f4 50.Nd6 Ke7 51.gf4 Nc6 52.Nc8 Kf7 53.fe5 Ne5 54.Nd6 Ke7 55.Ra7 Nd3 56.Kf1 Qa7 57.Nf5 Kd7 58.Qa7 Ke6 59.Neg3 Nc1 60.c4 Ke5 61.Qe7 Kf4 62.Qe3# 1–0. NN – Computer, 1991.

4.a3 Nf6 5.e3 Nc6 6.d4 d6 (6...cd4 7.cd4 d5 8.Bd3=) 7.Nf3 Bf5 8.Bd3 Bd3 9.Qd3 cd4 (9...cb4 10.cb4 d5 11.0-0=) 10.cd4 Qc7 (10...d5 11.0-0=) 11.0-0 (11.d5 Ne5 12.Ne5 de5+=) 11...e6 12.b5 Ne7 13.Nbd2 (13.Rc1 Qb6+/–) 13...d5 14.a4 (14.Rfc1 Qd6+=) 14...Nf5 (14...Rc8 15.Rfc1 Qd6 16.a5+=) 15.Rfc1+= Qd7 (15...Qa5 16.Ba3+=) 16.Ne5 Qd8 17.Qc2 (17.Ba3 Ba3 18.Ra3 Rc8 19.Rc8 Qc8+/–) 17...Bb4 (17...Bd6 18.Ba3+=) 18.Ba3 Ba3 (18...Bd2 19.Qd2 Ne4 20.Qd3+=) 19.Ra3+/– Nd7 20.Nd7 Qd7 21.Rc3 b6 22.Rc7 Qd8 23.Qc6+– Kf8 24.Nf3 h6 25.Ne5 Ne7 26.Re7! Ke7 27.Qb7 Qd7 28.Qd7 Kf6 29.Qf7 Kg5 30.Qg7 Kf5 31.Qg6# 1–0. Mephisto Mondial12 – GrandMasterChess, 1994.

4.a3 a5 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 e5).

4.Qb3 d5 5.e3 (5.Nf3 e4 6.Nd4 Bd6=+) 5...Nf6 (5...Nd7 6.Nf3=+) 6.Nf3 (6.c4 Nbd7 7.c5 Qc7=+) 6...Nbd7 (6...e4 7.Nd4=+) 7.Be2 Bd6 8.0-0 (8.Nh4 Nf8=+) 8...0-0 9.d3 a5 10.ba5 Qa5 11.d4 (11.c4 e4 12.de4 de4–/+) 11...e4 12.Nfd2 (12.Nh4 Qc7–/+) 12...Qc7 (12...b5 13.Qc2–/+) 13.g3 (13.h3 b6=+) 13...c5 (13...b5 14.Ba3–/+) 14.Rc1 (better is 14.c4!?=+) 14...c4–/+ 15.Qd1 b5 16.a3 (16.a4 Qb6–/+) 16...Nb6–+ 17.Nf1 Na4 18.Rc2 (18.Qc2 Ra5–+) 18...Bf5 19.Qc1 Qd7 20.Bd1 Bh3 21.Be2 Qf5 22.Qe1 h5 23.Bc1 Rfe8 24.Nbd2 Re6 25.f3? ef3 26.e4 Ne4 27.Nf3 Nec3 28.Ne3 Re3! (29.Be3 Qc2–+) 0–1. Engles,Michael – Nilsson,Egon, CD.2001.0.00018, 2001.

4.Nf3 e4 5.Nd4 d5 6.e3 Nd7 (6...Nf6 7.a3=+) 7.Qb3 Ngf6 8.Be2 c5 (8...a5 9.a3=+) 9.bc5= Qc7 10.c6 (10.Nb5!? Qc6 11.Nd6 Bd6 12.cd6 Qd6 13.Ba3=) 10...bc6 =+.

4.g3 Nf6 5.Bg2 Ng4 (5...d5 6.Nf3 e4 7.Ng5–/+) 6.e3 d5 7.h3 Nf6 8.Ne2 Bd6 9.Qc2 e4 (9...a5 10.a3–/+) 10.0-0 (10.c4 Na6 (worse 10...Qb4 11.Ba3 Qc4 12.Qc4 dc4 13.Bd6+–; worse 10...Bb4 11.Bf6 gf6 12.cd5+=) 11.a3 Be7=) 10...0-0 (10...Nbd7 11.f3 Qa6 12.Nd4–/+) 11.d3 (11.c4 Bb4 (worse 11...Qb4 12.Ba3 Qc4 13.Qc4 dc4 14.Bd6+–) 12.Bf6 gf6=) 11...ed3 12.Qd3 Nbd7 13.Nd2 Ne5 14.Qc2 Qb5 15.Nd4 Qd3 1–0. mizuzul – Manawydan, ChessWorld.net, 2020.

4.Rb1=+ Qa5 5.e4 Nf6 6.Nf3 g6 (6...d5 7.ed5 cd5 8.Bb5 Bd7 9.Bd3=+) 7.Bc4 (7.e5 Ng4=) 7...Bg7 8.e5 Nd5 (8...Ng4 9.d4=+) 9.Nd5 cd5 10.Bb3 (10.Bc3 Qc5 11.Bb5 0-0=) 10...e6 (10...0-0 11.0-0=) 11.Bc3 (11.c4 dc4 12.Bc4 Nc6=) 11...Qa3 (11...Qc7 12.0-0=) 12.0-0 (12.Bb2 Qa5=) 12...Nc6 (12...d6 13.Bb2 Qa6 14.Bd4=) 13.Bb2+= Qe7 14.d4 0-0 15.Qc1 b5 16.c3 a5 17.a4 b4 18.Re1 Ba6 19.Ra1 Rfc8 20.Qd2 Rab8 21.Bd1 Rb6 22.Be2 Be2 23.Re2 Qd8 24.cb4 Nb4 25.Ba3 Nc2 26.Ra2 Rb1 27.Ne1 Na3 28.Ra3 Rcc1 29.f4 Bf8 30.Rb3?? Bb4 31.Rb4 ab4 32.Kf2 Qh4 33.g3 Qh2 34.Ng2 Qg1 35.Kf3–+ h5 36.Ne3 Rf1! 37.Nf1 Rf1 38.Rf2 Qf2 39.Qf2 Rf2 40.Kf2 0–1. Lerat,Paul Pascal (1830) – Briquet,Jean Pierre (2090), Checy op 1st, 2002.

4.Rb1 Qa5 5.Nf3 Nf6 6.e3 Na6 (6...d5 7.Be2=+) 7.Nd4 (7.Ba6 Qa6 8.d3 d6–/+) 7...e5 8.Nb3 Qc7 9.Ba6 ba6 10.0-0 (10.d4 ed4 11.Nd4 d5=) 10...d5 11.Ne2 Bd6 12.d3 (12.f4 Rb8=+) 12...0-0 (12...Rb8 13.f4–/+) 13.Qd2 (13.f4 Rb8=+) 13...Nh5 (13...Rb8 14.f4–/+) 14.Ng3 (14.f4!?=+) 14...Ng3–/+ 15.hg3 (15.fg3 Rb8–/+) 15...Rb8–+ 16.Qe2 (16.f4 e4–/+) 16...a5 (16...Re8 17.Qf3–+) 17.Nd2 (17.f4 f6–/+) 17...Rb4 (17...Be6 18.f4–+) 18.e4 (18.f4 Re8 19.a3 Ra4–+) 18...Be6 19.Bc3 Rb1 20.Rb1 d4 21.Bb2 Ba2 22.Ra1 Be6 23.Ba3 Ba3 24.Ra3 Rb8 25.Nb3 Qd6 26.Ra5 Bb3 27.cb3 Rb3 28.Qc2 Rc3 29.Qb1 Qc7 30.Qa1 Rd3 31.Ra7 Rd1 32.Qd1 Qa7 33.f4 d3 0–1. Bravo,Angelo – Carpintero,Javier (2255), POR–chT, 1995.

4.Rb1 Nf6 5.Ba1 A) 5...Qg4 A1) 6.e3 e5 (6...Qd1 7.Nd1 d6 8.Bf6 ef6 9.Nf3 b6 10.d4 d5 11.c4 Bf5=+ –0.63) 7.Qg4 Ng4 8.Be2 Nf6 9.e4 Ba3 10.Nf3 d6 11.d4 ed4–/+ –0.78; A2) 6.f3 Qg5 (6...Qh5 7.f4 d6 8.e4 Qd1 9.Rd1 e5 10.fe5 de5 11.Nf3 Nbd7–/+ –1.06; 6...Qh4 7.g3 Qh5 8.e4 e5 9.Be2 Qg6 10.d3 Bc5 11.Na4 Bg1–/+ –0.94; 6...Qg6 7.e4 e5 8.Nce2 d6 9.d4 Nbd7 10.Ng3 ed4 11.Bd4 Nc5–/+ –0.88; 6...Qe6 7.g3 Qd6 8.e4 e5 9.Nge2 Qc7 10.d4 d6 11.Bg2 Be7–/+ –0.94) 7.e3 e5 8.Nge2 d5 9.f4 ef4 10.ef4 Qh4 11.g3 Qg4–/+ –1.16; A3) 6.e4 Qd1 7.Rd1 d6 8.Nf3 Bg4 9.Be2 e5 10.h3 Bf3 11.Bf3 Na6=+ –0.66; B) 5...Qc5 B1) 6.Rb3 d6 (6...Qf5 7.e3 d5 8.f4 Nbd7 9.Nf3 Qg4 10.Ne2 c5 11.h3 Qg6–/+ –0.78; 6...d5 7.Nb5 cb5 8.Rc3 Qd6 9.Rc8 Kd7 10.Rc3 e5 11.Rb3 a6=+ –0.53; 6...Qh5 7.Qb1 b6 8.e4 e5 9.Nge2 Bc5 10.f3 Qh4 11.g3 Qh5–/+ –1.16; 6...e6 7.e4 e5 8.Nb5 Na6 9.d4 ed4 10.Bd4 Qe7 11.Na7 Ne4= –0.25) 7.e4 e5 8.Nf3 Qa5 9.Be2 Nbd7 10.Qb1 Nc5 11.Rb4 d5–/+ –1.22; B2) 6.Nf3 d5 7.e3 Nbd7 8.Be2 Qa5 9.Nd4 e5 10.Nb3 Qc7 11.Bb2 Bd6–+ –1.41; B3) 6.e3 Qa5 (6...d5 7.Nf3 Qd6 8.Ne2 Nbd7 9.d4 e6 10.Qd3 Be7 11.c4 0-0–/+ –1.09; 6...d6 7.Nf3 e5 8.d4 Qa5 9.Qd2 b6 10.e4 Be7 11.Be2 0-0–/+ –0.84; 6...e6 7.e4 d5 8.e5 Ne4 9.Ne4 de4 10.Ne2 Nd7 11.Ng3 Ne5=+ –0.59; 6...e5 7.Nf3 e4 8.Nd4 d5 9.d3 b5 10.de4 de4 11.Nb3 Qg5–/+ –0.97) 7.Nf3 d5 8.Ne5 Nbd7 9.Nd7 Nd7 10.f4 b5 11.a4 b4–/+ –1.13; B4) 6.e4 d6 (6...d5 7.ed5 Nd5 8.Nf3 Nd7 9.Rb3 e6 10.Nd5 Qd5 11.a3 f6=+ –0.66; 6...e5 7.Nf3 Qe7 8.Bc4 b5 9.Be2 b4 10.Na4 Ne4 11.Ne5 Qg5=+ –0.59) 7.Nf3 e5 8.Be2 Be7 9.0-0 0-0 10.d4 ed4 11.Qd4 Nbd7–/+ –0.75; C) 5...Qa5 C1) 6.e3 e5 (6...d5 7.f4 b5 8.a4 a6 9.Nf3 e6 10.ab5 ab5 11.Bd3 Be7–/+ –1.00; 6...e6 7.Nf3 d5 8.Bd3 Bd6 9.e4 de4 10.Ne4 Ne4 11.Be4 0-0–/+ –1.19; 6...d6 7.f4 e5 8.Bd3 Na6 9.Nf3 Nb4 10.Qe2 ef4 11.ef4 Be7–/+ –1.13) 7.Nf3 d6 8.Be2 b5 9.a4 b4 10.Na2 e4 11.Nd4 Qa4–/+ –1.19; C2) 6.e4 e5 (6...d6 7.Nf3 e5 8.a4 Nbd7 9.Bc4 Ne4 10.Ne4 d5 11.Bb3 de4=+ –0.44) 7.Nf3 d6 8.a4 Be7 9.Bc4 Nbd7 10.0-0 0-0 11.d4 Nb6–/+ –1.13.

4.Rb1 Nf6 5.a3 A) 5...Qc5 6.e4 e5 (6...e6 7.Nf3 d5 8.Bd3 Qa5 9.0-0 Bc5 10.ed5 cd5 11.Nb5 a6=+ –0.59; 6...d6 7.Nf3 e5 8.Be2 Be7 9.0-0 0-0 10.d4 ed4 11.Qd4 Nbd7=+ –0.63; 6...d5 7.ed5 cd5 8.Nb5 b6 9.Bd4 Qc6 10.Na7 Qe6 11.Ne2 Nbd7+= 0.28) 7.Nf3 d5 8.ed5 e4 9.Ne5 cd5 10.d4 ed3 11.Bd3 d4–/+ –0.81; B) 5...Qg4 B1) 6.e3 Qd1 (6...d6 7.Qg4 Bg4 8.Bd3 e5 9.f3 Be6 10.f4 ef4 11.ef4 d5–/+ –0.72; 6...e5 7.Qg4 Ng4 8.Nf3 d6 9.d4 Nd7 10.Bd3 Be7 11.Ne2 ed4=+ –0.69) 7.Nd1 d6 8.f4 Nbd7 9.Nf3 e6 10.Be2 Be7 11.0-0 0-0–/+ –0.72; B2) 6.e4 Qd1 (6...d5 7.Qg4 Bg4 8.f3 Bc8 9.e5 Nfd7 10.f4 e6 11.Be2 Be7=+ –0.63; 6...d6 7.Qg4 Bg4 8.h3 Bd7 9.Nf3 e5 10.d4 ed4 11.Nd4 Be7=+ –0.50; 6...e5 7.Qg4 Ng4 8.h3 Nf6 9.Nf3 d6 10.d4 Nbd7 11.Bd3 ed4=+ –0.59; 6...Qg6 7.e5 Ne4 8.Nf3 Nc3 9.Bc3 b5 10.h3 Qe4 11.Be2 Qa4= –0.22) 7.Rd1 d5 8.e5 Ng8 9.Nge2 f6 10.f4 Nh6 11.Nd4 fe5=+ –0.63; C) 5...Qa5 6.e4 e5 (6...d6 7.Nf3 e5 8.Be2 Nbd7 9.0-0 d5 10.ed5 cd5 11.Re1 a6–/+ –0.81; 6...e6 7.Nf3 d5 8.e5 Nfd7 9.Be2 Bc5 10.0-0 b6 11.d4 Be7–/+ –0.75; 6...d5 7.e5 Nfd7 8.Nf3 e6 9.Be2 Bc5 10.0-0 b6 11.Qc1 Ba6–/+ –0.75) 7.Nf3 d6 8.Be2 Nbd7 9.0-0 d5 10.ed5 cd5 11.Re1 a6–/+ –0.81.

4.Rb1 Nf6 5.e3 Qa5 A) 6.e4 e5 (6...d6 7.Nf3 e5 8.Be2 Nbd7 9.0-0 Nc5 10.d3 Be7 11.Re1 0-0–/+ –0.84; 6...d5 7.e5 Ne4 8.Ne4 de4 9.Bc4 b5 10.Bb3 Na6 11.e6 Be6=+ –0.28) 7.Nf3 d6 8.Be2 Na6 9.0-0 Nc5 10.d3 Be7 11.d4 Nce4–/+ –1.06; B) 6.Bd3 d5 (6...b5 7.a3 d5 8.Nf3 Bg4 9.h3 Bf3 10.Qf3 Nbd7 11.Qg3 Nc5–/+ –1.03; 6...e5 7.f4 ef4 8.ef4 Be7 9.Nf3 0-0 10.0-0 Bc5 11.Kh1 d5–/+ –0.97; 6...Na6 7.Nf3 Nb4 8.Bc4 d5 9.Bb3 Bg4 10.h3 Bf3 11.Qf3 e5=+ –0.63) 7.f4 b5 8.a4 b4 9.Nce2 Nbd7 10.c3 Nc5 11.Bc2 b3–/+ –1.06; C) 6.Nf3 d5 (6...b5 7.a4 b4 8.Na2 c5 9.c3 Nc6 10.Nc1 e5 11.cb4 cb4=+ –0.47) 7.Be2 Nbd7 8.Nd4 e5 9.Nb3 Qb6 10.d4 e4 11.Qc1 Bb4–/+ –1.34; D) 6.f4 e6 (6...b5 7.a4 b4 8.Na2 c5 9.c3 Nc6 10.Nc1 Qd8 11.Nf3 Bb7=+ –0.69; 6...d5 7.Nf3 e6 8.Be2 b5 9.Nd4 Bd6 10.0-0 0-0 11.Nb3 Qc7–/+ –0.97) 7.Nf3 d5 8.Be2 b5 9.Nd4 Bd6 10.0-0 0-0 11.Nb3 Qc7–/+ –0.97.

4.Rb1 Nf6 5.e3 d5 6.f4 d4 (6...e6 7.Nf3 Qa5 8.Nd4 Bd6 9.Bd3 e5 10.fe5 Be5 11.Nf3 Bg4–/+ –0.75; 6...Qd6 7.Nf3 Bg4 8.Be2 e6 9.Ng1 Bf5 10.Nf3 Be7 11.Nd4 0-0–/+ –0.75; 6...Qa5 7.Nf3 e6 8.Be2 Bc5 9.0-0 b5 10.a4 b4 11.Na2 Ba6=+ –0.53; 6...Qc5 7.Nf3 Bg4 8.Be2 e6 9.0-0 Be7 10.Ne5 Be2 11.Ne2 b5=+ –0.69) 7.ed4 Qd4 8.Nge2 Qd6 9.d3 Nbd7 10.Bc1 e5 11.d4 ed4–/+ –1.16.

4.Rb1 Nf6 5.e3 e5 6.Nf3 (6.a3 Qa5 (6...Qe7 7.Nf3 d5 8.Be2 b5 9.0-0 Nbd7 10.Na2 Qe6 11.Ng5 Qd6–/+ –1.03; 6...Qc5 7.Nf3 e4 8.Nd4 d5 9.d3 Be7 10.Be2 0-0 11.0-0 Rd8–/+ –0.88) 7.Nf3 e4 8.Nd4 d5 9.Be2 Bd6 10.0-0 0-0 11.f3 Qc7–/+ –1.13; 6.Nge2 d6 (6...Qh4 7.Ng1 e4 8.d3 d5 9.de4 de4 10.Qd4 Nbd7 11.Nf3 Qg4–/+ –1.00; 6...Qa5 7.f4 d6 8.Nc1 ef4 9.ef4 Be7 10.Nb3 Qc7 11.Qf3 0-0–/+ –1.09; 6...d5 7.f4 ef4 8.Nf4 Qd6 9.Nh5 Nh5 10.Qh5 Nd7 11.Bd3 Nf6–/+ –0.84; 6...Qe7 7.f4 d6 8.g3 Bg4 9.Bg2 ef4 10.ef4 d5 11.h3 Be6–/+ –0.94) 7.f4 Qa5 8.Ng3 ef4 9.ef4 Be7 10.Be2 0-0 11.0-0 Re8–/+ –1.25) 6...Qa5 (6...d6!?=+ 7.Be2 Be7 8.0-0 0-0 9.Qe1 Qa5 10.d4 Re8 11.e4 b6–/+ –0.88; 6...e4 7.Nd4 d5 8.Be2 Qa5 9.0-0 Bd6 10.f3 b5 11.a3 Qc7–/+ –0.97) 7.Ne5= d5 (worse 7...Qe5 8.Nb5 Qb2 9.Rb2 cb5 10.Bb5+– a6 11.Be2 d5+– 0.78) 8.Be2 (8.Qf3 Qc7 9.Qg3 Bf5 10.Bd3 Bd3 11.cd3 Na6= 0.12) 8...Bd6 9.f4 b5 (9...0-0 10.0-0 Re8 11.Ng4 Nbd7=+ –0.38) 10.Bf3 (10.Ra1 0-0=+ 11.0-0 Bf5=+ –0.28) 10...0-0=+ 11.g4 (11.Ra1 Re8=+) 11...Nfd7 (11...b4 12.g5 Nfd7 13.Ne2–/+) 12.Nd3 (12.Nd5!? Qd8 13.Nd7 Qh4 14.Kf1 Bd7 15.Nc3+=) 12...Nb6 13.0-0 Nc4 (13...b4!? 14.Ne2 Qa2=+) 14.Nb5= Qb5 15.Bg7 Qa5 (15...Qb1 16.Qb1 Kg7 17.Qa1 Kg8 18.Qc3=) 16.Bf8= Bf8 17.Rf2 Nd7 (worse 17...Qa2 18.Ra1 Ne3 19.de3+–) 18.c3 Nc5 (worse 18...Qa2 19.Ra1 Ne3 20.Ra2 Nd1 21.Bd1+–) 19.Nb4 Bd7 (19...Qc7 20.d4 a5 21.Nc2=) 20.Qf1 (20.Nd5 cd5 21.Bd5 Rc8 22.Bc4 Ne4+=) 20...Nd6 (20...Re8 21.f5=+) 21.Qh3 (21.Rg2!?=) 21...Nde4–/+ 22.Rg2 Qd8 (22...Qa3 23.Rd1–/+) 23.Qh5 Rb8 24.Rc1 (24.Rb2 a5 25.Be4 Ne4–/+ (25...de4?! 26.Nc6 Bc6 27.Rb8 Qb8 28.Qg5 Bg7 29.Qc5 Qb1 30.Kf2 Qa2 31.Qc6 Qd2 32.Kg3 Qe3 33.Kh4=)) 24...Qe7 (24...a5 25.Nc2–/+) 25.d4=+ Nd2 (25...Na4 26.Be4 Qe4–/+ (worse 26...de4 27.Qa5 c5 28.Qa7+=)) 26.Bd5= Qe3 (worse 26...cd5 27.Nd5 Nf3 28.Kh1+–) 27.Kh1 Ne6 (27...Qf4? 28.dc5 (28.Nc6 Bc6 29.Qf5 Qc7 30.Bc6 Qc6 31.Qg5 Bg7 32.Qc5 Qc5 33.dc5 Ne4=+) 28...cd5 29.Nd5+–) 28.f5 Ng5 (worse 28...cd5 29.Nd5 Qf3 A) 30.fe6?! fe6 (30...Be6? 31.Qg5 Bg7 32.Ne7 Kh8 33.Qd2+–) 31.Qg5 Bg7+=; B) 30.Nf6 Kg7 31.fe6 (31.Nd7 Nf4 32.Qg5 Kh8 33.Qf4 Qf4 34.Nb8 Ne4–+) 31...Qf6 B1) 32.Rd2 Qf3 33.Rg2 Bc6 34.Qf7 Qf7 35.ef7 Rb2–+ (35...Bg2?! 36.Kg2 Rb2 37.Kg1=+); B2) 32.ed7+–; 28...Bb4?! 29.Rg3 Qf4 30.fe6 cd5 31.Qf7 Qf7 32.ef7 Kf7 33.cb4 Rb4 34.Rc7=) 29.Rg3 Ndf3 30.Rf1?? (30.Rcg1 cd5 31.Nd5–+) 30...cd5–+ 31.Nd5 (31.Rgf3 Nf3 32.Qh3 Bb4 33.cb4 Rb4 34.Qf3 Qf3 35.Rf3 Rd4 36.h3–+) 31...Qe2 32.Rgf3 (32.Rfg1 Rb2 33.Qg5 Ng5 34.R3g2–+) 32...Nf3 33.Qh3 Ng5 (33...Rb2 34.Nf6 Kg7 35.Nh5 Kh8 36.Rf2 Qe1 37.Kg2 Qf2 38.Kh1 Qg1) 34.Nf6 (34.Qg2 Qg2 35.Kg2–+) 34…Kg7 (34...Kg7 35.Qg2 Qg2 36.Kg2 Kf6–+) 0–1. Andrenko,Irina – Hrabinska,Myroslava (2245), ch–UKR Women, ALushta UKR, 2004.

4.c3 ab4 5.c4 d5 6.Nf3 dc4 7.Bc4 Nf6 8.d3 Bg4 (8...e6 9.Bf6 gf6 10.Nbd2=+) 9.0-0 (better 9.Bf7!? Kf7 10.Ne5 Ke8 11.Ng4+=) 9...e6=+ 10.h3 Bh5 11.g4 Bg6 12.Nh4 (12.Qb3 Nbd7–/+) 12...Nbd7 13.Ng6 hg6 14.Qf3 Nd5 (14...Qa5 15.d4–/+) 15.Bd5 (15.e4 Nc7–/+) 15...cd5 16.e4 b3 17.ab3 Ra1 18.Ba1 Qb3 19.Nd2 (19.ed5 Qd5 (19...ed5?! 20.Re1 Kd8 21.Qf7=) 20.Qd5 ed5–/+) 19...de4 (better 19...Qc2 20.Nb1 Nc5 21.ed5 Qd3 (21...Nd3?! 22.de6 fe6 23.Qe4=+) 22.Qd3 Nd3 23.de6 fe6–/+) 20.Nb3? (better 20.Ne4!? e5 21.Rc1–/+) 20...ef3–+ 21.Kh2? (21.Rc1–+) 21...Bd6 22.Kg1 Rh3 23.Nd4 Bh2 24.Kh1 Be5 (24...Bf4 25.Kg1–+) 25.Kg1 Bd4 26.Bd4 Nf6 (better 26...Rh4!? 27.Bg7 f6 28.g5 Rg4 29.Kh1 Rg5 30.Rc1–+) 27.Bf6 gf6 28.Re1 (28.Rb1 Rh4–+) 28...f5 (28...Rh4 29.Rb1–+) 29.Re3? (29.gf5 gf5 30.Rb1–+) 29...fg4 30.d4 Ke7 (30...b5 31.Re5 Rh5 32.Re4–+) 31.d5 (31.Rb3 g3 32.fg3 Rg3 33.Kf2 Rh3–+) 31...Kd6 (31...Rh5 32.de6 fe6 33.Re4–+) 32.de6 fe6 33.Re4 Rh4 (better 33...g3 34.fg3 Rg3 35.Kf2 Rh3–+) 34.Rg4 (34.Rb4–+) 34...Rg4 35.Kf1 (35.Kh2 Ke5 36.Kh3 Rg2 37.Kh4 Kf4 38.Kh3 b5 39.Kh4 Rh2) 35...Rg2 (35...Rc4 36.Kg1 Rh4 37.Kf1 Rh1) 36.Ke1–+ b5 (36...b5 37.Kd2 Rf2 38.Ke3 Ra2 39.Kf3 b4 40.Kf4 b3 41.Ke3 b2 42.Kd3 b1Q 43.Ke3 Ra3 44.Kf2 Qc2 45.Ke1 Ra1) 0–1. anotherheaven (1770) – fokers (1815), lichess.org, 2015.

4.Bc3 ab4-/+ 5.Bb2 Nf6 6.d4 (6.Be2 d6-/+) 6...e6 7.Nd2 d5 8.c4 bc3! 9.Bc3 Bd6 10.Qc2 0-0 (10...Qc7 11.Ngf3-/+) 11.Bd3 Nbd7 12.Ngf3 Qc7 13.h3 (13.g4 e5 14.de5 Ne5 15.Ne5 Be5-/+) 13...Re8 (13...b6 14.0-0-+) 14.0-0 e5 (14...b6!?-/+) 15.de5 Ne5 16.Be2 (16.Ne5 Be5 (16...Re5?! 17.Be5 Be5 18.Rab1+=) 17.Be5 Qe5-/+) 16...Bd7 17.Rfc1 Nf3 18.Bf3 Be5 19.Bd4 (19.Be2 b5-/+) 19...Bd4-+ 20.ed4 Qf4 21.Nb3 (21.Qc3 Qg5-+) 21...Bh3! 22.Nc5 (22.gh3 Qf3 Deflection (22...Qf3 Overloading)) 22...Bf5 23.Qb3 (23.Qb2 Bg4 24.Bg4 Ng4-+ (worse 24...Qg4 25.a4-+)) 23...Qd4 24.g3 (24.Qb7 Rab8 25.Qc7 Rb2-+) 24...b6! 25.Qb6 Rac8 (better 25...Rab8 26.Qa7 Rb2-+) 26.Na4?? (better 26.Nd7 Qa4 27.Nf6 gf6 28.Qb3 Qb3 29.ab3-+) 26...Qa4 27.Kg2 (27.Qb3 Qa5-+) 27...Be4 28.Rc3 (28.Be4 Qe4 29.Kg1 c5-+) 28...Bf3 29.Rf3 1-0. ClayPigeons (2160) - luismiguel02 (2305), Rated Bullet game, lichess.org, 2021.

4.Ba3 Qb6 5.Nc3 (5.e4).

4.Bc3 Qb6 5.e3 (5.e4 Nf6 6.d3 d5=+) 5...d5 6.Bd3 Nd7 7.0-0 Qc7 8.Re1 (8.e4 de4 9.Be4 Ngf6–/+) 8...e5–/+ 9.e4 d4 10.Bb2 a6 (10...Nc5 11.Bf1–/+) 11.c3 c5 (11...dc3 12.Nc3 Bc5 13.Rb1–/+) 12.c4 (12.Qc2!? Bd6 13.Rc1=+) 12...Ngf6 13.h3 Bd6 14.Nh2 (14.Qc2 0-0–+) 14...0-0 15.Qc2 Rb8 16.Be2 (16.Na3 b6–+) 16...b5 17.Na3 Qa5 18.cb5 ab5 19.Nb1 c4 20.d3 Qe1 21.Nf1 Ba6 22.Nc3 Qa1 23.Ba1 dc3 24.Bc3 b4 25.Bd2 b3 26.ab3 cb3 27.Qb2 Ne4! 28.de4 Be2 29.Ng3 Bc4 30.Nf5 Bb4 31.Bb4 Rb4 32.f4 Be6 33.Ng3 Rc8 34.Qa3 Rbb8 35.f5 Bc4 36.Qe7 Rd8 37.Nh5 g6 38.Ng3 b2 39.fg6 b1Q 40.Kh2 hg6 41.Qg5 Qb6 42.Nf5 Qf6 43.Qg3 Kh7 44.Ne3 Qf4 45.Nc4 Rb1 46.Qf4 ef4 47.Nd2 Re1 48.h4 Ne5 49.Kh3 Rd2 (50.Kh2 Ng4 51.Kh3 Nf2 52.Kh2 Rh1; 49...Rh1) 0–1. dodobonito – ball, internet, 2006.

4.ba5?? Ra5 5.Bc3 Ra8 6.e3 d5 7.Nf3 Nd7 8.Bd4 Qc7 9.Bb2 e5 10.Be2 (better 10.c4!?=) 10...Bd6 11.0-0 e4 12.Ne1 (12.Bg7!? ef3 13.Bh8 fe2 14.Qe2 Bh2 15.Kh1-/+) 12...Bh2 13.Kh1 h5 (better 13...Be5!? 14.d4 ed3 15.Nd3 Bb2 16.Nb2 Ngf6-+) 14.Bg7=+ Rh7 15.Bd4 h4 16.g3?? (better 16.d3=+) 16...hg3-+ 17.fg3 (17.Nc3 gf2 18.Rf2 Bg3 19.Kg1 Bf2 20.Kf2-+) 17...Qg3 18.Ng2 Ne7 (18...Ndf6 19.Bf6 Qh3 20.Bg4 Bg4 21.Qg4 Qg4 22.Bh4 Rh4 23.Nh4 Qh4 24.Rf4 Bf4 25.Kg1 Qh2 26.Kf1 Bg3 27.Nc3 Qf2) 19.Rf7 (19.Bh5 Ne5 20.Be5 Qe5-+) 19...Rf7 20.Bh5 Nf5 (better 20...Qh3 21.Qg4 Qg4 22.Bg4 Rh7-+) 21.Bf7 Kf7 (better 21...Kf8!? 22.Qh5 Qf2 (22...Nd4?! 23.ed4 Qf2 24.Qh2 Kf7 25.Qh7 Ke6 26.Nc3=+) 23.Qh8 Kf7 24.Qh7 Ke6 25.Qg6 Ke7 26.Kh2 Nd4 27.Qg7 Ke6 28.ed4 Nf6-+) 22.Qh5-/+ Ke6 23.Nf4 Qf4?? (better 23...Kd6 24.Qh2 Qh2 25.Kh2 Ne5 26.Be5 Ke5-/+) 24.ef4?? (better 24.Qe8 Kd6 25.ef4 Nd4 26.Kh2 Nc2 27.Ra2+-) 24...Ng3-+ 25.Kh2 Nh5 26.Kg2 (26.Nc3 Nf4 27.Kg3 Nh5 28.Kh4 Nhf6-+) 26...Nf4 27.Kf2 Kf5 (27...c5 28.Be3 Nh5 29.Nc3-+) 28.Nc3 Ne5 29.Ne2 Ng4 30.Kg3 (30.Kf1-+) 30...Ne2 31.Kg2 Nd4 32.Kf1 Nf3 (32...Be6!? 33.c3 Nf3 34.Ke2-+) 33.c3 Be6 34.Ke2 Rh8 35.Kd1 Rh1 36.Kc2 Ra1 37.Kb3 Rb1 38.Ka4 (38.Kc2 Rb6 39.d4 e3 40.Kd3 Kf4 41.c4 Nf2 42.Kc3 Ne1 43.cd5 Bd5 44.a4 Ne4) 38...Nd2 39.Ka5 (39.c4 c5 40.cd5 Nc4 41.de6 b5) 39...b6 (39...Nc4 40.Ka4 b5) 40.Ka4 (40.Ka6 e3 41.Kb7 e2 42.Ka7 e1Q 43.Kb7 Qe5 44.a4 Qg7 45.Kb8 Rh1 46.a5 Rh8) 40...Bd7 41.c4 c5 0-1. tonyclifton (1775) - Berthe (2275), Rated Bullet tournament, lichess.org, 2015.

4.Nc3 e6 5.b5 Bc5 (5...Nf6 6.e3+=) 6.Ne4 (6.e3 Nf6+–) 6...Nf6+= (6...Qb5?? 7.Bg7 Be7 8.e3+–) 7.Nc5 (7.Nf6 gf6 8.e3 Be7+=) 7...Qc5 8.Bf6 (8.e3 cb5 9.Ne2 d5=) 8...gf6= 9.bc6 bc6 (9...Nc6!? 10.e3 d5=) 10.d4?? (better 10.e3+=) 10…Qc3–+ (10...Qc3 11.Qd2 Qa1 12.Qd1 Qa3–+) 0–1. rcm06 (2240) – geo7vest, gameknot.com, 2017.

4.Nc3 Nf6 5.Na4 Qc7 6.Nf3 b5 7.Nc5 d6 8.Nb3 ab4 9.ab4 Ra1 10.Qa1 e5 11.d3 Nbd7 12.e4 Be7 13.Be2 0-0 14.0-0 Nb6 15.d4 Ne4 16.de5 d5 17.e6 f6 (17...Bb4?! 18.Bg7 Be6 19.Bf8 Bf8 20.Bd3+=) 18.Nfd4 Bb4 19.Na5 Bb7 20.Nb7 Qb7 21.Bd3 Re8 22.Qd1 Nc4 23.Bc1 g6 24.Be4 (24.Bh6 Bc5 25.Be4 de4–+) 24...de4–+ 25.Qg4 c5 26.Ne2 f5 (better is 26...Ne5!? 27.Qh3 Qc6–+) 27.Qg5–/+ Qe7 (27...Re6 28.Qd8 Kg7 29.Rd1+–) 28.Qe7 Re7 29.Nf4 Ba3 30.Be3 Ne3 31.fe3 c4 32.Rd1 Kg7 33.Rd8 g5 34.Ne2 Re6 35.Nd4 (35.Rd5 Kf6 36.Rb5 Kg6–/+) 35...Rb6–+ 36.Nf5 (36.Ra8 b4 37.Nf5 Kg6 38.Ne7 Kf7–+) 36...Kg6 37.g4 b4 38.Rd1?? (38.Rg8 Kf6 39.Ng3–+) 38...b3–+ 39.cb3 c3 40.Nd4 Rd6 41.Kf2 Rd4! 42.Rd4 (42.Rd4 c2 Passed pawn; 42.ed4 c2 Passed pawn) 42...c2 (42...c2 43.Rc4 c1Q 44.Rc1 Bc1–+) 0–1. hanzelpeter (2265) – deepthough (2390), gameknot.com, 2015.

4.c4 a4 5.c5 Qc7 6.Nc3 d6 7.cd6 (7.Na4 Nd7+/-) 7...ed6+= 8.Na4 d5 9.e3 Nf6 (9...Nd7 10.Nf3+/-) 10.Nc3 (10.Bf6 gf6 11.d4 Bd6+/-) 10...Be7 11.Nf3 0-0 12.d4 (12.Be2 Bg4+/-) 12...Bf5+= 13.Bd3 Bd3 14.Qd3 Nbd7 15.0-0 Rfe8 16.Rfc1 Bd6 (16...Nb6 17.Nd1+=) 17.b5 Ne4? (better 17...Ra5!?+/-) 18.Nd5!+- Qd8 (18...cd5 19.Rc7 Pinning (19.Rc7 Deflection; 19.Rc7 Clearance)) 19.bc6 bc6 20.Rc6 (better 20.Nb4 c5 21.dc5 Ndc5 22.Qd4+-) 20...Bf8? (better 20...Nb8 21.Rc2 Bh2 22.Nh2 Qd5+-) 21.Rac1 (21.Nc7 Rc8 22.Qc2 Re7+-) 21...Ndf6 (21...Bd6 22.R1c2+-) 22.Nf4 (22.Nc7!? Ng4 23.Na8 Ngf2+-) 22...Qa5 (22...Bd6 23.Ne5+-) 23.Ne5 Rab8 (23...Reb8 24.f3 Nd6 25.R6c2+-) 24.Bc3 (better 24.f3 Rb2 25.Nc4 Nf2+-) 24...Qa3 25.f3?? (25.Ra1 Qb3+-) 25...Nc3 (25...Qc1 26.Qf1 Rb1 27.Be1 Qe3 28.Kh1 Qe1 29.h3 Qf1 30.Kh2 Qg1) 26.R6c3 (26.Qc3 Red8+-) 26...Qd6 (26...Rb3 27.Nc4 Rc3 28.Qc3+- (28.Na3 Rd3 29.Nd3 Ba3=+)) 27.Nc6 (better 27.Rc6 Qa3+-) 27...Rbc8? (27...Rb2 28.Qf5 g6+-) 28.e4 (better 28.Ne7! Qe7 29.Rc8 Qe3 30.Qe3 Re3 31.Kf2+-) 28...Qf4 29.e5?? (better 29.Ne7! Re7 30.Rc8+/-) 29...Nd5-/+ 30.Rc5?? (better 30.Rc4 Qh6 31.Qe4-/+) 30…Qe3 (30...Qe3 31.Qe3 Ne3 32.Ne7 Be7 33.Rc8 Kf8+/-). ClayPigeons (2155) - TIMSONCHESSQZ (2155), Rated Bullet game, lichess.org, 2020.

4.c4 e5 5.Be5 ab4 6.ab4 Ra1 7.Ba1 Qb4 8.e3 Na6 9.Nf3 Nc5 10.Be2 Ne4 (10...Qb3!?+=) 11.0-0+/- Ngf6 12.d3 (12.Qc2 Be7+/-) 12...Nc5 13.Bf6 gf6 14.d4 Ne6 15.Nbd2 Rg8 (15...Be7 16.Qc2+-) 16.c5 (16.Qc2 h6+-) 16...Qa5 (16...b6 17.Qa1 Qa5+- (17...bc5?? 18.Rb1 d5 19.Rb4 cb4 20.Qa8+-)) 17.Ne4 Be7 18.Bd3 (18.Qb1 Qc7+-) 18...Qc7 (18...b6 19.cb6 Qb6 20.Qa4+-) 19.Qb1 (19.Nh4 Ng5 20.Qh5 Ne4 21.Qh7 Rg4 22.Be4 d5+-) 19...h5 (19...Kf8 20.g3+-) 20.Nh4 Ng5 21.Ng5 (better 21.Ng3!?+-) 21...fg5+/- 22.Nf5 Bf8? (22...d6!? 23.Ne7 Qe7+/-) 23.e4+- d6 24.cd6 Bd6 25.e5 Bf8 26.Re1 (26.d5 Qa5 27.dc6 bc6+-) 26...Qd8 27.h3 (better 27.Qb3!? Qa5 28.Rd1+-) 27...g4+/- 28.hg4 Rg4 29.f3?? (29.Nd6 Bd6 30.ed6 Kf8+/-) 29...Rg5 (29...Bf5 30.Bf5 Qd4 31.Kh1 Rh4 32.Bh3=+) 30.Rd1 (better 30.Nd6 Bd6 31.ed6 Be6 32.Re5+=) 30...Qd7=+ 31.Be4 (better 31.Nd6 Bd6 32.ed6 Qd6 33.Qb2=+) 31...f6?? (better 31...Rf5 32.Bf5 Qf5-/+) 32.Ne3 White prepares d5 (32.d5 cd5 (32...Rf5?? 33.dc6 Qd1 34.Qd1 Bc5 35.Kh1 bc6 36.Bf5 Bf5 37.Qc1+-) 33.Rd5 Qd5 34.Bd5 Rf5 35.Bb7 Be6+-) 32...Qg7 (32...Qf7 33.Qc2 fe5 34.de5 Bd7+- (34...Re5?? 35.Bg6 Re3 36.Bf7 Kf7 37.Rd8+-)) 33.ef6 (better 33.Qc2+-) 33...Qf6= 34.d5 Bh3 The backward pawn on g2 becomes a target (34...Bc5 35.Qc1 Qd6 36.Kh1=) 35.Qc2 (35.Qb6 Be7 36.Qa7 Qf4+/-) 35...Qf4+= 36.Re1 (36.Kf2 Be7+=) 36...cd5 37.Bd5 (37.Nd5?? Rg2 38.Qg2 Bc5 39.Ne3 Bg2 40.Kg2 Be3 41.Bg6 Kd7 42.Bh5 b5-+) 37...Qd4?? (better 37...Kd8 38.Qc3 Bb4 39.Qh8 Kd7 40.Qh7 Kd8 41.Qh8 Kd7 42.Qh7 Kd8 43.Qh8=) 38.Qe4 (38.Qe4 Qe4 39.Be4=) 1-0. carlos78 (2250) - Philidor1792 (2060), Rated Blitz game, lichess.org, 2015.

4.e3 d5 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3 a5).

4.e3 Nf6 5.Nf3 Na6 (5...d6 6.Bd4 Qc7 7.Bf6 ef6 8.b5=) 6.Bd4+= Qc7 7.b5 cb5 8.Bb5 e6 9.Nc3 Be7 10.g4 h6 (10...Ng4 11.Bg7 Pinning (11.Bg7 Deflection)) 11.Rg1 Nc5 12.h4 White intends g5 12...Rg8 13.g5 hg5 14.hg5 Nfe4 15.Ne4 Ne4 16.Ne5 Kf8? (better 16...Nd6!? 17.Bd3 b5+=) 17.Qf3 (17.Qh5 Nd6 18.c4 b6 19.Ng6 fg6 20.Qf3 Nf5 21.Qa8 Nd4 22.ed4 Rh8+–) 17...f5? (17...Nd6 18.Nf7! Nf5+– (18...Nf7?? 19.g6 Bf6 20.gf7 Bd4 21.fg8R Kg8 22.ed4+–)) 18.Qh5 Nd6 19.Ng6 Ke8 20.Ne5 (20.Qh7 Rf8 21.Bf6 Ne4 22.Nf8 Qd6 23.Qh5 Kd8 24.Be7 Qe7+–) 20...Kf8 21.Qh7 Nb5 (21...Bd8 22.Ng6 Kf7+–) 22.Ng6 Kf7 23.Ne5?? (23.Ne7 Nd4 24.Qg8 (worse 24.Ng8 Nf3 25.Kd1 Qh2 26.Nh6 Ke7 27.Qg7 Kd6 28.Nf7 Kc7 29.Qc3 Kb8+–; 24.ed4?! Rf8 25.Ng6 Rg8+–) 24...Ke7 25.Qg7 (worse 25.ed4 Qc2 26.Qg7 Ke8+–) 25...Ke8 26.Rh1 Nf3 27.Kd1+–) 23...Kf8= 24.Rb1 (24.Ng6 Kf7 25.Ne7 Nd4 26.Qg8 (26.Ng8?! Nc2 27.Ke2 Qe5+–; 26.ed4 Rf8 27.Ng6 Qc2 28.Ne5 Ke8 29.Qg6 Kd8 30.Qg7 Re8+–) 26...Ke7 27.Qg7 (27.ed4?! Qc2 28.Qg7 Ke8+–) 27...Ke8 28.Rh1 Nf3 29.Kd1+–) 24...Nd6?? (better 24...Nd4 25.ed4 d6 (25...Qc2?! 26.Ng6 Kf7 27.Ne5 Kf8 28.Ng6 Kf7 29.Ne5 Kf8=) 26.Ng6 Kf7 27.Nh8 Rh8 28.Qh8 Bf8 29.g6 Ke8–/+) 25.Ng6+– Kf7 26.Ne5 (better 26.Ne7 Ke7 27.Qg8+–) 26...Kf8= 27.Rb6 Qc2 (27...Bd8 28.Rd6! Qc2+–) 28.Ng6+– Kf7 29.Ne5?? (better 29.Ne7 Ke7 30.Qg8 Qc1 31.Ke2 Qg1 32.Bf6 gf6 33.gf6 Kf6 34.Qg1+–) 29...Kf8= 30.Qh5 (30.Ng6 Kf7 31.Ne7 Ke7 32.Qg8 Qc1 33.Ke2 Qg1 34.Bf6 gf6 35.gf6 Kf6 36.Qg1 Nf7+–) 30...g6 (30...f4 31.Rd6 g6 32.Qh6 Ke8 33.Qh7–+) 31.Qh7 (better 31.Ng6 Rg6 32.Qg6 Qc1 33.Ke2 Qc4 34.Kd1+–) 31...Rg7?? (31...f4 32.Rg4 Bg5 33.Rg5 f3 34.Nf3 Ne4+–) 32.Qh8 (32.Ng6 Rg6 33.Qg6 Qc1 34.Ke2 Qc4 (34...Qa3?? 35.Bg7 Kg8 36.Bh6 Kh8 37.Qg7) 35.Kd1 e5 36.Qh6 Ke8 37.Qh8 Bf8 38.Qe5 Qe6+–) 32...Rg8 33.Qh6 (33.Ng6 Kf7 34.Qh7 Rg7 35.Qg7 Ke8 36.Qe7) 33...Rg7?? (better 33...Ke8 34.Qh7 Rf8 35.Ng6 Rf7 36.Qh8 Bf8 37.Nf8 Rf8 38.Qh5 Nf7–/+) 34.Ng6 Ke8 35.Qh8 Bf8 (35...Rg8 36.Qg8 Bf8 37.Qf8) 36.Qf8 1–0. FeegLood (2730) – smurf42 (2635), lichess.org, 2015.

5.Nc3 Ra5 6.a4 Qb6 7.e3 Nf6 8.Nf3 e6 9.Be2 Be7 10.0-0 d5 11.d4 0-0 12.Bd3 Nbd7 13.Qe2 Qc7 14.Ng5 (14.e4 de4 15.Ne4 c5–+) 14...h6 15.Nh3 e5 16.Bf5 e4 17.Qd2 b5 (better is 17...Bd6!? 18.Kh1–+) 18.ab5 Ra1 19.Ra1 cb5 (better is 19...Nb6!? 20.Bc8 Rc8 21.Qd1–+) 20.Nb5 Qc6 21.Na7 Qc4 22.Nc8 Qc8 23.Nf4 Qc4 24.g4 (24.Ra7 Qc6–+) 24...Rc8 25.h4 Qc2?? (better is 25...g6 26.Bd7 Nd7–+) 26.Qc2–/+ Rc2 27.g5 hg5 28.hg5 Ng4 (28...g6 29.gf6 Nf6 30.Nd5 Nd5 31.Be4 Ne3 32.fe3+=) 29.Bd7 (better is 29.Nd5!? Bg5 30.Bg4+–) 29...Nf2= 30.Nd5 (30.g6!? fg6 31.Ng6=) 30...Bg5+= 31.Rf1 Ng4?? 32.Bg4+– Rb2 33.Bd7 Rb3 34.Be8 Be3 35.Ne3 Re3 36.Bf7 Kh7 37.Kf2 Rh3 38.Kg2 Rh6 39.Rh1 Rh1 40.Kh1 g5 41.Kg2 Kg7 42.Bd5 Kf6 43.Be4 Ke7 44.Kg3 (44.Kg3 Ke6 45.Kg4+–) 1–0. onny555 (1660) – alanbstard (1640), gameknot.com, 2009.

5.Nc3 Ra5 6.a4 d5 7.Nf3 –+.

5.Nc3 Ra5 6.a4 g6 7.e4 d5 (7...Bg7!? 8.Rb1 Qa3 9.Nge2–+) 8.ed5 Bh6 9.Ra2 (9.Rb1 Qa3–+) 9...Qb4 10.dc6 Nc6 11.g3 (11.Ra1 Nf6–+) 11...Bd7 12.Bb5 Bg4 13.Nf3 (13.f3 Bg7 14.fg4 Bc3–+) 13...Nf6 14.0-0 0-0 15.Kg2 Rd8 16.Qe1 (16.Nb1 Nd4 17.Be2 Ne2 (17...Ra4?! 18.c3 Ne2 19.Ra4 Bf3 20.Kf3–+) 18.Qe2 b5–+) 16...Bd2! 17.Nd2 Qc3 18.Nc4 Qf3 19.Kg1 Bh3 20.Ra3 (20.Ne3 b6 21.Be2–+) 20…Qg2# 0–1. irish paddy – AsceticKingK9, ChessWorld.net, 2012.

5.Nc3 Ra5 6.e3 Ra3 7.Ra3 Qa3 8.Bc4 d5 9.Bd3 e5 10.e4 Bb4 11.Nge2 Ne7 12.ed5 cd5 13.Nb1 Qa5 14.c3 Bd6 15.0-0 e4 16.Bc2 0-0 17.Nd4 (17.d3 Rd8-+) 17...Nbc6 18.Nb3 Qc7 19.g3 (19.h3 Nf5-+) 19...Ne5 20.Nd4 N7c6 (20...Bc5 21.Nb3 Nf3 22.Kh1-+) 21.Nb5 Qd7 (better 21...Qd8 22.Nd6 Qd6-+) 22.Ba4 (22.f4 Bc5 23.Nd4 Nf3 24.Rf3 ef3 25.Qf3 Nd4 26.cd4 Bd4 27.Kh1-+) 22...Nf3 23.Kh1 Qh3 (23...Qh3 24.Nd6 Qh2) 0-1. IRANI09125834560 (1865) - SCIENS (1885), Rated Blitz game, lichess.org, 2014.

5.Nc3 Ra5 6.Nf3 Qb6 (6...Ra3 7.Rb1 Qb1 8.Qb1+=) 7.e3 Nf6 8.h3 g6 (8...d5 9.Be2–+) 9.Bd3 (9.Be2 Bg7–+) 9...Bg7 10.g4 (10.e4 d6–+) 10...d5 11.Nd4 c5 (better is 11...0-0!? 12.g5 Nfd7 13.Nb3–+) 12.Nb3 Ra8 13.Be2 Nc6 14.Bf3 e6 15.Bg2 Bd7 16.0-0 0-0 17.a4 c4 18.Nd4 Nd4 19.ed4 Qd4 20.Ne2 Qb6 21.c3 Rfc8 22.Nd4 Ne8 23.Rb1 Qd6 24.Nb5 Bb5 25.ab5 (25...Qf4 26.Rb2–+; 25.Rb5 Rcb8–+). kingsknight59 – FatMaHa, ChessWorld.net, 2005.

5.Nc3 e6 6.Ra2= Qa2 7.Na2 Ra5 8.Nf3 d5 9.d4 (9.a4 b5+=) 9...Ra3 10.Qb1 b5 11.e3 Nd7 12.Bd3 Ngf6 13.0-0 Be7 14.Nb4 Bb7 15.Qb2 Ra7 16.Ne5 Ne5 17.de5 Nd7 18.c3? (18.Qc3 Ra8=+) 18...0-0 (18...Ne5 19.Be2 0-0 20.f4–+) 19.Nc2? (19.f4 Rfa8=+) 19...Rfa8 (19...Ne5 20.Be2–+) 20.Ra1 (20.f4!?–/+) 20...Ra1–+ 21.Na1 Nc5 (better 21...Ne5!? 22.Be2 g6–+) 22.Bb1–/+ Na4 23.Qc2 g6 24.Nb3 b4 (24...Nb6!?–/+) 25.cb4=+ Bb4 26.h4 c5 27.Qe2 c4 (27...Ba6 28.Qc2–/+) 28.Nd4=+ Nc3?? (better 28...Bc3=+) 29.Qb2+– Ra4 (29...Bc5 30.Qc3 Ra6+–) 30.Bc2 Ra2 (30...Ba3 31.Qb7 Ne2 32.Ne2+–) 31.Qb4 Ba8 1–0. Darkseid (1755) – fast phill (1670), ChessWorld.net, 2006.

5.e3 Qa1 6.Bc4 d5 7.Bb3 Bf5 8.Nf3 e6 9.Nd4 Ba3 10.Nf5 ef5 11.Na3 Qa3 12.0-0 Nf6 13.f4 (13.Qf3 0-0–+) 13...0-0 14.Qf3 (14.Re1 Qa5 15.c3 Ne4–+) 14...Qa5 15.h4 (15.Rd1 b5–+) 15...Qd2 16.h5 Ng4 17.e4 de4 (better 17...Ra1! 18.Ra1 Qd4 19.Kf1 Nh2 20.Ke2 Nf3 21.gf3 Qa1 22.e5–+) 18.Qg3 e3 19.h6 g6 (19...e2 20.Qf2 ef1R 21.Qf1 Qe3 22.Kh1 Qg3 23.Bf7 Rf7 24.Qg1 Qh4 25.Qh2 Qh2) 20.Qh4 e2 21.Ra1 (21.Bc4 ef1R 22.Bf1 Qe3 23.Kh1 Ra1 24.Qg4 Rf1 25.Kh2 Qg1 26.Kh3 fg4 27.Kh4 Qh2 28.Kg4 Qf4 29.Kh3 Rh1) 21...Qf4 (21...Ra1 22.Qe1 Qe1) 22.Ra8 (22.Rb1 Ra1! 23.Bf7 Kf7 24.Qe7 Ke7 25.g3 Rb1 26.Kg2 Qf1) 22…Qf1 0–1. anotherheaven (1685) – Mendoza2909 (2055), lichess.org, 2015.

5.Bc3 Qb6 6.e3 d5 7.Nf3 Nd7 8.Be2 Ngf6 9.0-0 e6 10.d4 Be7 11.Nbd2 0-0 12.Rb1 Qc7 13.Bb2 c5 (13...b5 14.Bd3–/+) 14.c4=+ cd4 15.cd5 (15.Nd4 Rd8=+) 15...Nd5 (15...de3 16.de6 ef2 17.Rf2 fe6 18.Nd4–+) 16.ed4 (16.Nd4 Nc5=+) 16...N7f6 17.Bd3 Bd7 18.Rc1 Qd8 19.Rb1 (19.Ne5 Nf4–/+) 19...Bc6 (19...Nf4 20.Be4–/+) 20.Ne4 (20.Ne5 Rc8–/+) 20...Ne4 21.Be4 Nf6 (21...Nc3 22.Bh7 Kh7 23.Bc3 Ba3 24.Ne5–/+) 22.Bc6 bc6 23.Qd3 Qd5 24.Qc3 Rfc8 25.Ne5 c5 26.dc5 Rc5 27.Qe3 Rb8 28.Qg3? (better 28.Nf3 Rcb5 29.Rbd1–/+) 28...Bf8?? (28...Rb3!? 29.Rbd1 Rg3 30.Rd5 Rd5 31.hg3–+) 29.Nf3?? (better 29.Ng4 Ng4 30.Qb8+=) 29...Rcb5 (better 29...Bd6 30.Be5 Rb1 31.Rb1 Qb3–+) 30.Qc7?? (better 30.Rbd1 Ne4 31.Qf4–/+) 30...Qb7 31.Qb7 R8b7 32.Bf6 Rb1 (32...gf6?! 33.Ra1–+) 33.Bc3 Rf1 (33...a4 34.Nd2 Rf1 35.Kf1 Ba3 36.Nc4 Rb1 37.Ke2–+) 34.Kf1 Ba3 (better 34...a4 35.Ne5–+) 35.Nd4 (35.Ba5 Rb2 36.Bc3–+) 35...a4 (35...Bb2 36.Ne2 a4 37.Ke1–+) 36.Nc6 (36.Nc2 Rc7 37.Ke2 Rc3–+) 36...Bf8 (36...Rc7 37.Bb4 Bb4 38.Nb4–+) 37.Na5 (37.Be5 a3 38.Ke2 a2–+) 37...Rb1 38.Ke2 a3 (38...Bb4 39.Bb4 Rb4 40.Kd2–+) 39.Nc4 a2 40.Ba1 (40.Ne3 Bb4 41.Bd4–+) 40...Ra1 41.Nb2 Rb1 42.Nd3 a1Q 43.Nc1 (43.f4 Qa2 44.Kf3 Rb3 45.Ke3 Bc5 46.Kf3 Rd3 47.Kg4 Qg2 48.Kh5 Rh3) 43...Qb2 (43...Qe5 44.Kd3 Qf5 45.Ke3 Bc5 46.Kd2 Rb2 47.Ke1 Qf2 48.Kd1 Qd2) 44.Ke3 (44.Kf3 Qc3 45.Nd3 Qd3 46.Kg4 f5 47.Kg5 Qd2 48.Kh4 Qf4 49.Kh5 g6) 44...Qc1 45.Kd4 (45.Ke2 Qc3 46.f4 Rb2 47.Kd1 Qd2) 45...Rb3 46.Ke5 Qc3 (46...Qc4 47.h3 Rb5) 47.Kf4 Rb5 (47...Rb5 48.f3 Rb4 49.Kg3 Qe1 50.Kh3 Qh4; 47...Qd4 48.Kg5 Rb5) 0–1. anotherheaven (1765) – Cliquot (1925), lichess.org, 2015.

5.Bd4 c5 6.a4 Qb6 7.Bc3 d5 8.d4 Nc6 9.Nf3 e6 10.e3 c4 11.Be2 Nf6 12.0-0 Bb4 13.Be1 Ne4 14.c3 Bd6 15.Nfd2 Nf6 (15...f5 16.Ne4 fe4 17.Na3–/+) 16.f3 (16.Na3 Be7–/+) 16...Qb2 (16...Ne7 17.Na3–/+) 17.Nc4 dc4 18.Nd2 Qb6 (18...Qc3? 19.Nc4 Qa1 20.Nd6 (20.Qa1?! Bc7+–) 20...Kd7 21.Qa1 Kd6 22.Qa3 Kd7 23.Bb5+–) 19.Nc4 Qc7 20.Nd6 Qd6 21.Bg3 Qe7 22.e4 0-0 23.Bh4 Qe8 (23...e5!?–+) 24.Bf6–/+ gf6 25.f4 Kh8 26.Rf3 e5 27.d5 Ne7 28.f5 Bd7 29.c4 (29.Qb3 Nc8+=) 29...b6–/+ 30.Bd3 Rg8 31.Bc2 (31.Qb3 Rb8–/+) 31...Qc8–+ 32.Rc3 Qc5 33.Kf1 Nc8 34.Raa3 Nd6 35.Bd3 Bc8 (35...Qd4 36.Qe2–+) 36.Ra2 (better is 36.Qf3–+) 36...Qd4 37.Rac2 (37.Qb3–+) 37...Ne4 38.Qe1 (38.Ra3 Rg5 39.Ke1 Rf5 40.Be4 Rf1 41.Kf1 Qd1 42.Kf2 Qd4 43.Re3 f5 44.Bf5 Bf5–+) 38...Nc3 39.Rc3 (39.Qc3 Qf4 40.Kg1 Bd7–+) 39...Qf4 40.Kg1 Bf5 41.Bf5 Qf5 42.Rf3 (42.g3 Rac8 43.Qe2 Qb1 44.Kg2 Qb4–+) 42...Qc2 (better is 42...Qf3! 43.Qf1 Qf1 44.Kf1 Rac8–+) 43.g3 (43.Qf1 Rg4 44.Re3 Rf4–+) 43...Rg6 44.Qf1 Kg7 45.h3 (45.Qd3 Qa4 46.d6 Qc6–+) 45...Qa4 46.g4 Qd7 (46...Rc8 47.Rc3–+) 47.Rf5 (47.Kh2 b5!–+) 47...a4 48.Qf3 (48.Kh2 a3 49.Rf2 h5–+) 48...Qd6 (48...a3 49.Qd3 a2 50.Rf1–+) 49.h4 (49.Qe2–+) 49...a3 50.h5 a2 (50...a2 51.Kg2 a1Q 52.hg6 Ra2 53.Qf2 fg6 54.Rf4 ef4 55.g5 Rf2 56.Kf2 Qc5 57.Kg2 Qag1 58.Kf3 Qce3) 0–1. Pachurka,Roland – Haversick,Axel (1790), Schleswig Holstein–ch cand, 2005.

5.ab4 Ra1 6.Ba1 Qb4 7.e3 d5 8.Bd3 Nd7 9.Nf3 Ngf6 10.0-0 e6 11.Ne5 Be7 12.f4 0-0 13.Bc3 Qd6 14.Na3?? (better 14.Qb2-/+) 14...Qa3-+ 15.Bb2 (15.Qa3 Ba3 16.Ra1 Be7-+) 15…Qd6 0-1. kaalmakreel (2160) - Prince W (2820), ChessWorld.net, 2018.

5.ab4 Ra1 6.Ba1 Qb4 7.Nf3 Nf6 8.e3 e6 9.Bb2 Qb6 (9...Na6 10.Ba6 ba6 11.0-0=+) 10.Be2 Be7 11.0-0 0-0 12.d4 d5 13.Nbd2 Nbd7 14.c4 Re8 (14...Qc7 15.Qc2=+) 15.c5 (15.Qc2 Qc7=) 15...Qd8 16.Qc2 Nf8 (16...b6!? 17.cb6 Qb6=+) 17.Bc3= Ng6 18.Rb1 Nd7 19.Qa4 (19.Ra1 Qc7=) 19...Bf6 20.Ba5 (20.Nb3 e5=) 20...Qe7=+ 21.Bb6? (better 21.Rc1!?=+) 21...e5-+ 22.Nb3 e4 (22...Nb6 23.cb6 Bg4 24.de5 Ne5 25.Nbd4-+) 23.Nfd2-/+ Nb6 24.cb6 Qf8 (24...Nf4! 25.ef4 e3-/+) 25.Nc5 Be7 26.Ndb3 f5 27.Qa7 Bc5 (27...f4 28.Nb7 f3 29.gf3 Bh3-+) 28.Nc5= Qe7 29.Bh5 Rf8 30.Bg6 (30.g3 f4 31.Qa3 fg3 32.hg3 Qg5 33.Bg6 Qg6-+) 30...hg6=+ 31.Na6? (31.Qb8 g5=+) 31...g5 (31...f4 32.ef4 e3 33.fe3 Qe3 34.Kh1-+) 32.Nc7? (better 32.Nc5!?-/+) 32...f4-+ 33.Qa2 (33.Rb2 f3-+) 33...Bg4 (33...f3 34.Nd5 cd5 35.Qd5 Qe6 36.Qg5-+) 34.Qd2 (34.Ra1 Qb4 35.h3 Bf5-+) 34...Qd6 (better 34...f3!? 35.Qd1 Qf6-+) 35.Qb4-/+ Qb4 36.Rb4 fe3 (36...Be2 37.Rb2 Bc4 38.Rb1-/+) 37.fe3 Be2 38.h3 (better 38.Rb1!?-/+) 38...Rf1-+ 39.Kh2 Bc4?? (39...Kf7 40.Kg3-+) 40.Kg3?? (better 40.Ne6 Ra1 41.Nc5+=) 40...Re1-+ 41.Kf2 (41.Kg4 Re3 42.Ne6 Re2-+) 41...Re2 42.Kg1 Re3 43.Ra4 (43.Ne6 Re1 44.Kf2 Rf1 45.Ke3 Ra1 46.Ng5 Ra3 47.Kf4 e3-+) 43...Rb3 44.Ne6 g4 45.hg4 (45.Ra8 Kh7 46.hg4 Rb1 47.Kh2 e3 48.Ng5 Kg6-+) 45...Rb6 (45...Rb1 46.Kh2 e3 47.Ra8 Kf7 48.Ng5 Ke7 49.Ra3-+) 46.Ra7 (46.Ra3 Rb1 47.Kf2 Rb2 48.Kg3 Kf7-+) 46...e3 (better 46...Rb1 47.Kf2 e3 48.Ke3 Re1 49.Kf3 Re6 50.Rb7 Re4-+) 47.Nd8 (47.Ra1-+) 47...Rb1 48.Kh2 e2 49.Nb7 e1Q 50.Nc5 (50.Ra8 Kh7 51.Ra3 Bb3 52.Rb3 Rb3 53.Nc5 Qh4 54.Kg1 Rb1) 50...Qg1 (50...Qh4) 51.Kg3 Qd4 (51...Qe3 52.Kh2 Qf4 53.g3 Qd2 54.Kh3 Rh1) 52.Kh2 (52.Ra8 Kh7 53.Rh8 Kh8 54.Nd3 Bd3 55.g5 Rb4 56.g6 Qe3 57.Kh2 Rh4) 52...Qc5 (52...Qf4 53.g3 Qd2 54.Kh3 Rh1) 53.Ra8 Kh7 54.g5 (54.Ra3 Qa3 55.g5 d4 56.g3 Qf3 57.g6 Kg6 58.Kh3 Rh1) 54...Bd3 (54...Qg1 55.Kg3 Rb3 56.Kh4 Qf2 57.Kh5 Be2 58.g4 Rh3) 55.g6 (55.Ra2 Qc4 56.g6 Kg6 57.Ra4 Qa4 58.Kh3 Bf5 59.Kg3 Rf1 60.Kh2 Qh4) 55...Bg6 56.Rh8 (56.Kg3 Qe3 57.Kh2 Qe5 58.Kh3 Rh1 59.Kg4 Bh5) 56...Kh8 57.g4 (57.Kh3 Qe3 58.g3 Rg1 59.Kg4 Qg3) 57...Qc2 (57...Qf2 58.Kh3 Rb3) 58.Kg3 Rb3 59.Kf4 (59.Kh4 Qf2 60.Kg5 Qf6) 59...Qe4 (59...Qh2 60.Kg5 Qh6) 60.Kg5 Kh7 (60...Rg3 61.Kh4 Qg4) 61.Kh4 Rb4 (61...Qe7 62.g5 Qe4) 62.Kg3 Qg4 63.Kf2 Rf4 (63...Rb2 64.Ke3 d4) 64.Ke3 Qf3 65.Kd2 Rd4 66.Ke1 Qg2 (66...Rd1) ½-½. Bendega (2060) - elblitzo2 (2125), lichess.org, 2021.

(--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3).

4.c3 d5 5.e3 Nf6 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 Nf6 5.e3 d5).

6.Ba1 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3).

6.Ba1 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5).

6.Ba1 d5 7.d3 Bf5 8.Nd2 Nf6 9.e3 e6 10.Ngf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Bf5 8.d3 Nf6 9.Nbd2 e6 10.e3).

6.Ba1 e5 7.e3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.e3 e5).

6.Ba1 Nf6 7.Na3 d5 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.Na3).

6.Ba1 Nf6 7.e3 d5 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.e3).

6.Ba1 Nf6 7.Nf3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6).

6.Ba1 Nf6 7.Nf3 g6 8.g3 Bg7 9.Bg2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 c6 5.a3 a5 6.Bg2 ab4 7.ab4 Ra1 8.Ba1 Qb6 9.c3).

5.ab4 Ra1 6.Ba1 Qb4 7.e3 Nf6 8.Bc3 Qb6 9.Bd3 g6 10.Nf3 Bg7 11.0-0 0-0 12.Nd4 (12.Na3 d5–/+) 12...Nd5 13.Qg4 d6 14.Qh4 Nc3 15.Nc3 c5 (15...Bf6 16.Qh6–/+) 16.Ndb5 (better is 16.Nd5 Qd8 17.Ne7 Kh8 18.Nf3=) 16...Bd7?? (16...Nc6 17.Nd5 Qd8 18.Rb1–/+) 17.Qe4?? (better is 17.Nd5 Qd8 18.Ne7 Kh8 19.Nd6+–) 17...e6 18.Rb1 Bc6 19.Qf4 (19.Nd6? Qb1 (19...Be4?! 20.Rb6 Nd7 21.Rb1 Bd3 22.cd3+=) 20.Nb1 Be4 21.Be4 b6–+) 19...Qc7?? (better is 19...Be5 20.Qg4 Bb5 21.Nb5 Nc6–/+) 20.Nc7+– Nd7 21.Qd6 (better is 21.Bb5 Be5 22.Qa4 Bb5 23.Qb5 Rd8 24.Qb7 Bc3 25.dc3 Rb8 26.Qb8 Nb8 27.Rb8 Kg7 28.Ne8 Kf8 29.Nd6 Ke7+–) 21...Ne5 (21...Be5 22.Qe7 Bf6 23.Qf8 Kf8+–) 22.Qc5 (22.Bb5 g5+–) 22...Ng4 23.h3 Ne5 24.Ne4 Rd8 25.Rb3 (25.Qe7 Rf8+–) 25...h5 26.Qe7 Rd7 27.Nf6 Bf6 28.Qf6 Rd5 29.f4 (29.Ra3 b6 30.Nd5 ed5 31.Qe5 f6 32.Qf6 d4 33.Bc4 Kh7 34.Ra7 Kh6 35.f4 de3 36.Qg5) 29...Nd7 30.Qd8 Kg7 31.Ne8 Kh6 32.Nf6 (32.Qe7 Ba4 33.Qf7 Bb3 34.Qg6) 32...Nf6 33.Qf6 Ra5 (33...Rd8 34.Qf7 Be8 35.Qf8 Kh7 36.Qe7 Kh6 37.Rb7 Rd7 38.Qe8 Kg7 39.Rd7 Kf6 40.Qg6) 34.Qh8 1–0. brasseur – shogunel, kurnik, 2014.

5.Bb4 Na6 6.Bc3 d5 7.e3 Nf6 8.Nf3 Ne4 9.Be2 Nc3 10.Nc3 Bf5 11.0-0 e6 12.d4 (12.Nh4 Bg6=+) 12...Qc7 13.Ne5 (13.Bd3 Bg4=) 13...Bd6=+ 14.f4 f6 15.Nd3 0-0 16.Nb1 e5 17.fe5 (17.Bg4 Be4-/+) 17...fe5 18.h3 ed4 19.ed4 Be4 (better 19...Qb6!? 20.c3 Bd3 21.Rf8 Rf8 22.Bd3 Qb2-+) 20.Nd2-/+ Bg6 21.Nf3 Bf4 (21...Qe7 22.Nde5 Be4 23.c4-/+) 22.Nde5 (22.Nf4 Qf4 23.Qc1 Qg3=) 22...Be3 (22...Be4 23.c4-/+) 23.Kh1=+ Be4 24.Bd3 (24.c4 c5 25.cd5 cd4=+) 24...Bf3 (24...Bd4 25.Be4 Ba1 (25...de4?! 26.Qd4 ef3 27.Rf3 Rf3 28.Nf3=) 26.Bd5 cd5 27.Qd5 Kh8 28.Ra1 Rf5-/+ (worse 28...Qc2 29.Ng5 h6 30.Nef7 Rf7 31.Nf7 Kh7 32.Qb7+/-)) 25.Rf3 Rf3 26.Nf3 Bf4 27.Qe2 Qd7 28.Re1 (28.Ne5 Be5 29.Qe5 Nc7=) 28...Nc7 29.Qe7 (29.Ne5 Qe7=) 29...Qe7=+ 30.Re7 Re8 (30...Ra3 31.g4 Kf8 32.Rd7=+) 31.Re8= Ne8 32.Kg1 Nf6 33.Kf2 Bd6 (better 33...Kf8=) 34.Ne5 (better 34.a4!?=) 34...Ba3 35.Bf5 Bb2 36.Ke3 Kf8 (36...c5 37.Nf3 b6 38.Kd3-/+) 37.Bc8 (better 37.Nd3 Ba3 38.g3=+) 37...Ne4 (better 37...c5 38.Bb7 Bd4 39.Kf4 Bc3-/+) 38.Bb7+= c5 39.Bd5 (39.Bd5 Nf6 40.c4 Bd4 41.Kf4 Nh5 42.Kg5 Be5 43.Kh5=) 1-0. sezwho (2120) - igo1 (2120), Rated Bullet game, lichess.org, 2014.

5.Bb4 Na6 6.Bc3= d6 7.e3=.

5.Bb4 Na6 6.Bc3= e6 7.Nf3 d5 8.d4 (8.e3 Nf6=) 8...c5 (8...Nf6 9.Nbd2=+) 9.e3= cd4 (9...Nf6 10.Nbd2=) 10.Bd4 Qa5 11.Qd2 Qd2 (11...Nc5 12.Ra2=) 12.Nbd2+= Nc7 (12...Ne7 13.c4=) 13.Bd3 (13.c4 Bd7+= (13...Ra3?? 14.Ra3 Ba3 15.Bg7+–; 13...Ba3 14.Bg7 Bb2 15.Ra8 Na8 16.Bb2+–)) 13...f6 (13...Nf6=) 14.0-0 (14.Bb6!? Na6 15.Nb3+=) 14...Ra3=+ (< 14...Ba3 15.Bb6 Bd6 16.Bc7 Ra1 17.Bd6+/–) 15.Ra3 (15.Bb6 Ra1 16.Ra1 Kd7=+) 15...Ba3 16.Bb6 Bd6 (16...Na6 17.Ra1 Bd6 18.e4=+) 17.c4 Na6 (17...Na8 18.c5=+) 18.cd5 (18.Rc1 Ba3 19.Ra1 Bb4=) 18...ed5=+ 19.e4 (19.Ra1=+) 19...Nc5 (better is 19...Ne7!?–/+) 20.Bb5 (20.Bc5 Bc5 21.ed5 Ne7+=) 20...Bd7= 21.Bd7 Nd7 22.Rb1 Ne7 23.Be3 Bc5 24.Bc5 Nc5=+ 25.ed5 Kd7 26.Rd1 Nd5 27.Nc4= Ke6 28.Nd4 Kf7 29.Nd6 Kg6?? 30.Rb1?? Rd8 31.N6b5 Nf4 32.g3–/+ Nfe6 33.Ne6 Ne6 34.Nc3 Rb8 35.Rb6 Kf7 36.f4 Nf8 37.Ne4=+ Nd7 38.Rb5 b6–/+ 39.Kf2 Ke6 40.Ke3 Rc8 41.Rb2 Rc6 42.Kd4 Nc5 43.Nc5=+ bc5 44.Kc4 Kf5 45.h3 g5 46.Rf2 h5 47.fg5=+ Kg5 48.Rf4 f5 49.Kd5 Rc8 50.Kc4 Re8 51.Rf3? Re5 52.Rd3 f4 53.gf4 Kf4 54.Ra3 Re3?? 55.Ra8?? Rh3 56.Rf8 Kg3 57.Kc5 Rh4 58.Kd5 Rg4 59.Ra8 h4 60.Ra3 Kf4 61.Ra4 Kg5 62.Ra8 h3 (63.Ke5 Kh4–+) 0–1. jiikoo – moover, internet, 2005.

5.Bb4 c5 6.Bc3 d5 7.d4 e5 8.de5? (better 8.e3!? cd4 9.ed4=+) 8...d4–+ 9.Bd2? (better 9.e4–+) 9...Nc6?? (9...Qb2 10.Nc3 dc3 11.Bf4–+) 10.Nf3?? (10.Bf4 Qb2 11.Nd2 Nb4–/+) 10...Bg4 (10...Qb2 11.Nc3 dc3 12.Bg5–+) 11.e3?? (better 11.Bc1=) 11...Bf3 (11...Qb2!? 12.ed4 cd4 13.Nc3 dc3 14.Bf4–+) 12.Qf3 Qb2 (12...Ne5?! 13.Qe4 Bd6 14.ed4 cd4 15.f4+=) 13.Bc4 Ne5 14.Qe4 Bd6 (14...Qa1 15.Qe5 Be7 16.0-0+=) 15.ed4 (15.Bb5 Qb5 16.ed4 Nf6–+) 15...Nf6 (15...Qa1 16.de5 Qe5 17.Qe5 Be5 18.Kd1–/+) 16.Qe2 (16.Bc3 Ne4 17.Bf7 (17.Bb2?? Nc4 18.Nc3 f5–+) 17...Kf7 18.Bb2–+) 16...Qa1 17.0-0 Qd4 (17...cd4?! 18.f4 0-0 19.fe5–+) 18.Bb5 Kf8 19.Bc3 Qe4 20.Qd2 Rd8 (better 20...Qd5 21.Qe2 Nc6 22.Bf6 gf6 23.c3–+) 21.Re1 Nf3! 22.gf3 Qf3 23.Qg5? (23.Be5 Qg4 24.Bg3 b6–+) 23...Qg4 (better 23...Bh2 24.Kf1 Bd6 25.Bf6 Qf6 26.Qf6 gf6 27.Nd2–+) 24.Qg4 Ng4 25.h3 Nf6 26.Nd2 (26.Bf6 gf6 27.Nc3 Rg8 28.Kf1 Bh2–+) 26...Bc7 (26...Nd5 27.Ne4 Nc3 28.Nc3–+) 27.Nf3 (27.Bf6 gf6 28.Ne4 Rg8 29.Kf1 Be5–+) 27...Nd5 28.Bb2 Nf4 29.Ng5?! (29.h4–+) 29...h6 30.Ne4 Kg8 (better 30...Nh3 31.Kg2 Nf4 32.Kf3–+) 31.Nc5 Nh3 32.Kf1 Nf2! (32...Nf2 33.Kf2 Bb6–/+) 0–1. Abdullaevich (1685) – 0ktyabrenok (2015), lichess.org, 2015.

5.Bb4 c5 6.Bc3 d5 7.d4 e6 8.e3 (8.dc5 Bc5 9.e3 Nf6+=) 8...Nf6 9.dc5 Bc5 10.Nf3 Nbd7 11.Bd3 Qc7 12.0-0 0-0 ½–½. Dias,Paulo – Quadrio,Alexandre (2140), POR–ch sf Lisboa, 1994.

5.Bb4 c5 6.Bc3 d5 7.e3 Nc6 8.Nf3 Nf6 9.Bf6 gf6 10.g3 Bg4 11.Bg2 (11.Nc3 d4 12.Rb1 Qd8=) 11...0-0-0 (11...Qb2 12.Nc3 Nb4 13.0-0 Ra3 14.Ra3 Qa3 15.h3+=) 12.0-0 (12.h3!? Bf3 13.Bf3+= (13.Qf3?? Qb2–+)) 12...e5= 13.Qc1 e4 14.Nh4 Ne5 (14...Be6 15.c4 Na5 16.cd5 Bd5 17.Nc3+/–) 15.Nc3 (15.f3 ef3 16.Nf3 Qe6+=) 15...Qe6 16.Rb1 Bh3 17.f4 (17.Qb2 Rd7 18.Nd5 Bg2 19.Nb6 Kd8 20.Nd7 Bf1 21.Nf8 Rf8 22.Kf1 Nc4+–) 17...Bg2= 18.f5 Qc6 19.Ng2 Nf3 20.Kh1 Qd7 (20...h5 21.Qd1=) 21.Ne1 Qf5 (21...Ne5!?+=) 22.Nf3+/– ef3 23.Qb2 f2?? (better is 23...Rd7+/–) 24.Qb7 1–0. mikebaldini (1670) – hippostar (1665), gameknot.com, 2014.

5.Bb4 d5 6.Nc3 c5 7.Nd5 Qd8 8.Bc5 Qd5 9.Be3 (9.Bb4 Nc6–+) 9...e5 10.Nf3 Nf6 11.g3 (11.c4 Qc4 12.Ne5 Qe4–+) 11...Ba3 12.Ra3? (12.c4 Qc4 13.Ne5–+) 12...Ra3 13.Bg2 Ng4 14.0-0 Ne3 15.de3 (15.fe3 e4 16.Nd4 Nc6–+) 15...Qd1 16.Rd1 Nc6 17.Nd2 Ke7 18.Bc6 bc6 19.Nc4 Rc3 20.Ne5 Rc2 21.Kf1 (21.Kg2 Kf6 (< 21...Re2 22.Nc6 Kf6 23.Kf3–+) 22.f4 Re2 23.Kf3 Rc2–+) 21...Bh3 22.Ke1 Ra8 23.f3 (23.Nd3 Raa2 24.Nc1–+) 23...Raa2 24.Rd2 (24.Nc6 Rc6 25.Kf2 Rcc2–+) 24...Rd2 25.Nc6 Kd6 26.Nd4 h5 27.g4 h4 (28.Kf2 Ke5 29.Nc6 Kf6 30.g5 Kg6–+) 0–1. kolokwium – luciano59 (2110), internet, 2006.

5.Bb4 d5 6.d4 Bf5 7.Nf3 e6 (7...Na6 8.Nbd2=+) 8.Bf8= Kf8 9.Nbd2 Nf6 10.e3 Nbd7 11.Bd3 Bg6 12.0-0 Ke7 13.Qe2 Qa5 14.Rfb1 b5 15.a4 (15.Ra2!?+=) 15...ba4= 16.c4 a3 17.Nb3 (17.Ra2 Qc3 18.Bg6 hg6=) 17...Qa4 18.cd5 cd5 19.Ne5 (19.Bg6 hg6 20.Qa2 Ne4-+) 19...Rhc8 (better 19...Ne5!? 20.de5 Nd7-/+) 20.Ng6 hg6 21.Nc5? (better 21.Bb5 Qa7 22.Bd3=+) 21...Nc5-+ 22.dc5 Rc5 23.Bb5 (23.Qa2 Qc6-+) 23...Qa5 (23...Qc2 24.Qf1 a2 25.Re1-+) 24.Bd3 Rac8 25.h3 Rc3 26.Bb5? (26.Ba6 Rc2 27.Qf1 a2-+) 26...Ne4 (better 26...Rc2 27.Qf1 a2-+) 27.Bd3 Nc5 28.Bc2 Na4 (28...Qa6 29.Qd2 Qc4 30.Bd1-+) 29.Ba4 Qa4 30.Rb7 Kf8 31.Qf3 R3c7 32.Rb6?? (better 32.Rc7 Rc7 33.Qg3-+) 32...a2 (32...Rc1 33.Rc1 Rc1 34.Kh2-+) 33.Kh2 Rc1 34.Rb7 (34.Rc1 Rc1 35.Rb8 Qe8 36.Qf4-+) 34...R8c7 (34...f5 35.Qg3 Qc6 (35...Ra1 36.Qg6 Qd7 37.Rd7 Rh1 38.Kg3 Rh3 39.Kh3 a1Q 40.Qf7) 36.Rc1 Qb7-+ (36...Qc1?! 37.Qd6 Kg8 38.Qe6 Kh7 39.Ra7=)) 35.Rb8-/+ Ke7 36.Qg3 Qe4 (better 36...Ra1 37.Qc7 Qd7 38.Qd7 Kd7-+) 37.Ra2 g5?? (37...Kf6 38.f4 Qf5 39.Rg8=+) 38.Ra7 (38.Qg5 f6 39.Qg7 Kd6 40.Ra6 R1c6 41.Qf8 Ke5 42.f4 Kf5 43.g4 Kg6 44.Rc6 Qe3 45.Qg8 Rg7 46.f5 ef5 47.gf5 Kf5 48.Qg7 Qe5 49.Qg3 Qe2 50.Kg1 Qd1 51.Kg2 Qd2 52.Qf2 Qf2 53.Kf2 d4+-) 38...R1c6?? (better 38...Ra7 39.Qg5 Kd6 40.Qd8 Rd7 41.Qf8 Kc6 42.Qc8 Rc7 43.Qe8 Kc5 44.Qf8 Kc6 45.Qe8 Kd6 46.Qd8 Rd7 47.Qf8 Ke5 48.Qg7 Kd6 49.Qf8 Kc6 50.Qc8 Rc7 51.Qe8 Kc5 52.Qf8 Kc6 53.Qe8 Kd6 54.Qd8 Rd7 55.Qf8 Ke5 56.Qg7 Kd6 57.Qf8=) 39.Rc7+- Rc7 40.Qc7 Kf6 41.Qd8 (better 41.Rb7!? Qe5 42.Qe5 Ke5 43.Rf7 Ke4+-) 41...Kg6 42.Rb4 (better 42.Qd6+-) 42…Qe5 (42...Qe5 43.f4 gf4 44.ef4 Qf6+-). black_bishop_88 (2455) - Staphaureus (2325), lichess.org, 2020. (=1.a3 c6 2.b4 Qb6 3.Bb2 a5 4.Bc3)

5.Bb4 d5 6.e3 c5 7.Bc3 e6 (7...d4!? 8.ed4 cd4-/+) 8.Nf3= Nc6 9.d4 (9.Ra2 d4 10.Ba1 Nf6=) 9...c4=+ 10.Qc1 Nf6 11.Qb2 Qb2 12.Bb2 Ne4 13.Nfd2 f5 14.Ne4 fe4 15.Nc3 Be7 16.Be2 0-0 17.0-0 Bd7 18.f3 Bg5 19.Bc1 Bf6 20.Bb2 ef3 21.gf3 (21.Bf3 Ra5=+) 21...Ne7 22.Nd1 Ba4 23.Rc1 Nf5 24.Bc3 Rf7 25.Bb4 Be7 (25...Bd4 26.ed4 Nd4 27.Nc3 Bc2 28.f4-/+) 26.f4=+ Bb4 27.ab4 Be8 28.Kf2 b5 29.Bg4 Rfa7 30.Bf5 (30.Nc3 Bc6=+) 30...ef5-/+ 31.Nc3 Bc6 32.Ke2 Kf7 33.Kd2 Ke7 34.Ne2 Kd6 35.Ng1 Ra4 36.c3 (36.Rf3!?-/+) 36...Ra2-+ 37.Rc2 Rc2 38.Kc2 Ra2 39.Kb1 Rh2 40.Re1 Be8 41.Nf3 Rf2 42.Ne5 Rg2 43.Kc1 h6 44.Nf3 Ke6 45.Rg1 (45.Rh1 Rg3 46.Ne5 Re3-+) 45...Rg1 46.Ng1 Bh5 47.Kd2 Bg4 48.Ke1 Kf6 49.Kf2 Kg6 50.Kg3 Kh5 51.Kg2 Kh4 52.Kh2 (52.Kf2 g5-+) 52...g5 53.Kg2 gf4 54.ef4 Bd1 55.Nh3 Bf3 56.Kh2 Kg4 (56...Kg4 57.Nf2 Kf4 58.Nh3 Ke3-+) 0-1. Goss - Kleinke,Uwe, Schwerin, 1979.

5.Bb4 d5 6.e3 Nf6 7.d4 Na6 8.Ba6 Ra6 9.Nd2 Nd7 (9...Bf5 10.c4=) 10.Rb1 (10.Ngf3 c5 11.dc5 Nc5=) 10...Qc7 11.c4 (11.Ngf3 e5=) 11...e5 (11...dc4 12.Nc4 b5 13.Nd2=) 12.Bf8 Nf8 13.de5 Qe5 14.Ngf3 Qh5 15.Qb3 Ne6 16.cd5 Qd5 17.Qd5 cd5 18.Rb3 0-0 19.0-0 Nc5 20.Rc3 Ne4 21.Ne4 de4 22.Nd4 Bd7 23.Rc7 (23.Rfc1 Bc6=) 23...Bc6= 24.Rc1 Ra3 25.Nc6 bc6 26.h3 Ra6 27.R7c6 Rc6 28.Rc6 f5 ½-½. Yannick – TuGGy, playchess.de, 2005.

5.Bb4 Nf6 6.e3 d5 7.Nf3 Bg4 8.Be2 Bf3 9.Bf3 c5 10.Bc3 d4 11.ed4 cd4 12.Bb4 Na6 13.c3 Nb4 14.cb4 e5 15.0-0 (15.Qc2 Bb4 16.Qb2 e4 17.ab4 Ra1 18.Qa1 ef3 19.Qa4 Qc6 20.Qc6 bc6-+) 15...Bb4!-/+ 16.d3 (16.ab4 Ra1 Pinning (16...Ra1 Deflection)) 16...0-0 17.Nd2 Bd2 18.Qd2 Qd6 (18...Ra7 19.Rfb1 Ra3 20.Qc2 Ra1 21.Ra1-+) 19.Bb7 (19.Qb4 Qb4 20.ab4 Ra1 21.Ra1 b6-/+) 19...Ra3 20.Ra3 Qa3 21.Bc6 Qc3 22.Qc3 dc3 23.Rc1 (23.f4 Ng4 24.fe5 Ne5-/+) 23...Rb8 24.g3 (24.f4 Ng4 25.Ba4 ef4-/+) 24...Rb3-+ 25.Kf1 Kf8 26.Ke2 Ke7 27.Kd1 (27.f4 ef4 28.gf4 Kd6-+) 27...Kd6 28.Bf3 Kc5 29.Kc2 Kb4 30.Rb1 Rb1 31.Kb1 Kc5 32.Kc2 Kd4 33.Be4?? (33.g4-+) 33...Ne4 34.de4 g5 35.f3 h5 36.h3 Kc4 37.g4 h4 38.Kc1 Kd3 39.Kd1 Ke3 (39...c2 40.Kc1 Kc3 41.f4 gf4 42.g5 f3 43.g6 f2 44.gf7 f1Q) 40.Kc2-+ Kf3 41.Kc3 Kg3 42.Kd3 Kh3 43.Ke3 Kg4 44.Kf2 Kf4 (44...Kf4-+) 0-1. Neumann,Frank - Horse,Madera, OP-2012-0-01994, 2012.

5.Bb4 Nf6 6.Nf3 d5 7.d4 Na6 8.c3 (better is 8.Bc3!?+=) 8...Nb4–+ 9.cb4 Bg4 (9...e5 10.de5 Ne4 11.e3 Bb4 12.Nbd2–+) 10.Nbd2? (better is 10.Ne5!?+=) 10...Bf3–+ 11.Nf3 Ra3! 12.Rb1? (12.Ra3 Qb4 Decoy) 12...e6 13.b5 c5 (13...Ne4 14.Nd2 Ra2 15.bc6–+) 14.e3 (14.Qc1 Qa5 15.Nd2–+) 14...Ne4 15.Qc1 (15.Qc2 Qa5 16.Nd2–+) 15...Qa5 16.Nd2 c4 (better is 16...Ra2 17.Rb2 Ra1 18.Qa1 Qa1 19.Rb1–+) 17.Bd3 (17.Ke2 Ra2 18.Rb2–+) 17...Rd3 18.Ra1 Qd2 (18...Rd2?! 19.Ra5 Bb4 20.Ra8 Ke7 21.Rh8 Rf2 22.Kd1–/+) 19.Qd2 Nd2 20.Ra7 Nb3 (better is 20...Ne4!? 21.0-0–+) 21.0-0 c3 (21...c3 22.Ra2 Bd6–+) 0–1. Beltyukov,Denis – Shmyrov,Maxim (1940), Samara op, 2008.

5.ba5!? Qd8 6.Nf3 =.

5.Nf3 ab4 6.ab4 Ra1 7.Ba1 Qb4 8.Bc3 Qa4 9.e3 Nf6 10.Bd3 Na6 11.0-0 Nc5 12.Bf6 gf6 13.Nc3 Qa3 14.Qa1 (better is 14.Nb1!? Qb2 15.Be2+=) 14...Nd3–/+ 15.Qa3 Ba3 16.cd3 Ke7 17.Ra1 Bd6 18.g3 Bc7 19.Kg2 d5 20.Nd4 (20.d4 e5–/+) 20...Bb6 21.Rb1 (21.Nb3 e5–+) 21...Bd4 22.ed4 Kd6 23.Kf3 e5 24.de5 fe5 25.Rb6 Re8 26.h4 h5 27.Nb5? (27.Ke2–+) 27...Kc5 28.Nd6 Kd6 29.Rb1 Bg4 30.Kg2 b5 31.f3 Bf5 32.Rb3 e4 33.de4 de4 34.fe4 Be4 35.Kh3 Kd5 36.d3 Bf5 37.Kg2 Re2 38.Kf3 Bg4 39.Kf4 f6 40.Rb1 Rf2 41.Ke3 Rf3 42.Kd2 Rg3 43.Rf1 f5 44.Rh1 f4 45.Rf1 f3 46.Ke3 c5 47.Kf2 Rg2 48.Ke1 Kd4 (48...Kd4 49.Kd1 f2 50.Kd2 b4 51.Kc1 Kc3 52.Kb1 Rg1 53.d4 Rf1 54.Ka2 b3 55.Ka3 Ra1) 0–1. Neumann,Frank (1650) – Langschmidt,Dirk (2015), RSS7E easy–53, 2007.

5.Nf3 ab4 6.ab4 Ra1 7.Ba1 Bb4?? 8.e3 (better is 8.Bg7 d5 9.Bh8+–) 8...Nf6 9.Be2 (9.Bd4 Qd8–/+) 9...0-0 (9...Qd8 10.Bd4–/+) 10.0-0 (10.Bf6 gf6 11.0-0 d5+=) 10...d5 (10...Qd8 11.c4–/+) 11.c3 (11.Bf6 gf6 12.d4 Rd8+=) 11...Be7–/+ 12.c4 Nbd7 (12...dc4 13.Bc4 Qb4 14.Be2–/+) 13.Nc3 Nc5 (13...dc4 14.Bc4 Qc5 15.Be2–/+) 14.d4+= Nce4 (14...Ncd7 15.Qc2+=) 15.Ne4 (15.c5 Qc7+=) 15...Ne4 16.c5 Qc7 17.Qd3 (17.Qc2 b6 18.cb6 Qb6+=) 17...Bd7 (17...b6 18.cb6 Qb6 19.Rb1+=) 18.Ne5 (18.Rb1 Rb8+=) 18...Ra8 (18...Be8 19.Qc2+=) 19.Nd7 (19.f3 Nf6+=) 19...Qd7+= 20.f3 Nf6 21.Bc3 Bd8 22.Rb1 Ba5 23.Ba5 Ra5 24.Qb3 h6 25.Qb7 Qb7 26.Rb7+/– Ra2 27.Rb8 Kh7 28.Rb7?? Re2–+ 29.Rf7 Re3 30.Rc7 Rd3 31.Rc6 Rd4 32.Re6 Rd1 33.Kf2 Rc1 34.Rd6?! Rc5 35.g4 Rc1 36.h4 Rh1 37.Kg2 Rh4 38.Kg3 Rh1 39.Kg2 Rd1 40.Kf2 Rd2 41.Ke3 Ra2 42.f4 Ng4 43.Kd3 Nf6 44.Kc3 h5 45.Kd3 h4 46.Ke3 h3 47.Rc6 Ra1 48.Rc2 Ng4 49.Kf3 h2 (49...h2 50.Rh2 Nh2 51.Ke3 Kg6–+) 0–1. Neumann,Frank – Winter,Malcolm, 62. LSS No Engine Cup Preliminary, 2012.

5.ab4 Qb4?? 6.Rb1 (better is 6.Ra8 Qb2 7.Rb8+–) 6...e5+= 7.e3 Nf6 8.Nf3 d6 9.Be2 Nbd7 10.0-0 d5 11.d4 e4 12.Nd2 Bd6 13.h3 Bc7 14.f3 Qd6 15.f4 b5 16.Bg4 Ng4 17.hg4 Nf6 18.Nb3 b4 19.Ne2 Ng4 (19...Ng4 20.Qe1 Ne3–+; 19...Bg4?! 20.Qd2–+) 0–1. Rush,Bradley – Molano,Ismael, OP–2011–0-01609, 2011.

6.Qa1 d5 7.Nd1 (7.e4 e5=) 7...Nf6 (7...Na6 8.Bd4 Nb4 9.Ne3–/+ (9.Bb6?? Nc2)) 8.Nf3 (8.Qa5 Nbd7=) 8...Na6 (8...Qb4 9.Qa8 Nfd7 10.Ne5=+) 9.e3 (9.c3 Bf5=) 9...Nb4–/+ 10.Qa4 e6 (10...Bf5 11.d3 Na6 12.Be2–/+) 11.Bd4 Bc5 (11...Qc7 12.Be5 Bd6 13.Bd6 Qd6 14.c3–/+) 12.c3 (12.Bc5 Qc5 13.c3 Na6=+) 12...Na6 (12...Bd4 13.Nd4 e5 14.Nf3=+) 13.Ba6 ba6 14.0-0 0-0 15.c4 (15.Bf6!? gf6 16.Qh4=+) 15...Bd4 (15...Qb4 16.Qb4 Bb4 17.Bf6 gf6 18.cd5 cd5 19.Nc3–/+) 16.Nd4 Bd7 17.c5 Qc5 18.Qa6 Ne4 (18...e5 19.Nf3 Bc8 20.Qa4–/+) 19.d3 Nd2 20.Re1 e5 (20...Rb8 21.Re2 e5 22.Qa2–/+) 21.Qb7 Qa5 22.Nc2 Bf5–+ 23.Qb4 Qb4 24.Nb4–/+ c5 25.Nd5 Bd3 26.N1c3 Ne4 27.Ne7 Kh8 28.Ncd5 Rb8 29.f3 Nf6 30.Nc6 Rb3 31.Ne5? Nd5–+ 32.Nd3 Rd3 33.Rc1 Nc3 34.Kf2 f5 35.Ra1 Kg8 36.Ra5 Rd2 37.Kg3 Ne2 38.Kh4 c4 39.Kg5 c3 40.Kf5 c2 41.Ke6 Rd8 (42.Rc5 c1Q 43.Rc1 Nc1–+; better is 41...Nf4! 42.ef4 Re2 43.Re5–+) 0–1. Riley,Dan Driver – Veher,John, Dayton Club Champ, 1992.

6.Qa1 e5 7.Na4+= Qb4 8.Be5 (8.Bc3 Qe7 9.Be5 d6 10.Bg7 Bg7 11.Qg7 Qf6 12.Qf6 Nf6+–) 8...Na6+= 9.Bc3 (9.Bg7? Bg7 10.c3 Qa5–+) 9...Qe7? (9...Qb5!?+=) 10.Bg7 (10.Nb6!? Kd8+–) 10...Nb4 11.Kd1 Bg7 12.Qg7 Qf6 13.Qf6 Nf6 14.Nb6 Ke7 15.f3 d5 16.c3 Na6 17.e3 Bf5 18.g4 (better 18.Ne2!?+–) 18...Ng4= 19.fg4 (better 19.Ke1=) 19...Be4–/+ 20.Be2 Bh1 21.d3 (21.Nh3 Kd6–+) 21...Nc5 22.Ke1 Kd6 23.Kf2? (23.d4 Ne4 24.c4 dc4 25.Nc4 Kc7–+) 23...Nb3 (better 23...Kc7!? 24.Nd5 cd5 25.Nf3–+) 24.Nh3 (24.c4 Kc7 25.Na4 b5 26.cb5 cb5–+) 24...Kc7 25.Kg1? (25.Na4 Ra8 26.Nb2 Ra2–+) 25...Re8 (25...Nc1!? 26.Nf4 Ne2 27.Ne2–+) 26.Na4 Re3 (26...Re3 27.Nf4 b5–+) 0–1. Pierantoni,Mauro (1735) – Frank,Albert (1925), 2nd Festival Francofono, 2010.

6.Qa1 Nf6 7.Na4 Qc7 (worse 7...Qb4 8.Bc3 Qb5 9.e4+–) 8.Nf3 Na6 9.Bc3 d6 10.e3 (10.Bf6 ef6 11.c3 b5=) 10...b5 11.Nb2 e5 12.Be2 Be7 (12...Ne4 13.Qa3=+) 13.0-0=+ 0-0 14.Rb1 Bb7 15.Nd1 Ra8 16.Qb2 h6 (16...Nd5 17.d3=+) 17.d3 Nb8 18.Bd2 Nbd7 19.c4 bc4 20.dc4 Rb8 21.Nc3 White prepares b5 21...Ba8 22.Qa1 d5 Black intends e4 23.b5 (23.Qa5 Qd6=) 23...e4 24.Nd4 dc4 25.bc6 Rb1 26.Qb1 Bc6 27.Bc4 Ng4 (better 27...Bd6 28.Nc6 Qc6=) 28.Nc6+– Qc6 29.Qe4 Qd6? (better 29...Qe4!? 30.Ne4 Ngf6 31.Nf6 Bf6+–) 30.Nd5+– Nge5? (30...Qh2 31.Kf1 Qh1 32.Ke2 Qd1 33.Kd1 Nf2 34.Ke1 Ne4 35.Ne7 Kf8+–) 31.Bb3 (better 31.Bb4 Nc5 32.Bc5 Qc5 33.Qe5 Qc4 34.Ne7 Kh7 35.h3+–) 31...Nc5+– 32.Ne7 Qe7 33.Qa8 Kh7 (33...Qf8 34.Bd5+–) 34.Bc2+– g6 35.Bc3 f6 (35...Qc7 36.Bb2 Ncd7 37.Bb3+–) 36.Bb4 (better 36.Qd5+–) 36...Ned7? (36...Qc7 37.Qa3 Nb7 38.Be4+–) 37.Qc6 (better 37.Qa7 Kh8 38.Bg6+–) 37...Kg7 38.h3 h5? (38...Qe6 39.Qc8 Qa6 40.Qd8 Qa1 41.Kh2 Qe5 42.f4 Qe3 43.Qc7+–) 39.Qc7 (better 39.Qc8!? f5+–) 39...Qe5 (39...Na6 40.Be7 Nc7 41.Bb3+–) 40.Qa5 (40.Qa7!? Kh6+–) 40...Qb2+– 41.Ba4?? (better 41.Bc5 Qc1 42.Kh2 Qc2 43.Qc7 Qc5 44.Qd7 Kf8 45.Qe6+–) 41...Qa1–+ 42.Kh2 Na4 (42...Qa4 43.Qa4 Na4 44.Kg1–+) 43.Qa7 (43.f4!? g5 44.fg5 Qe5 45.Kh1–/+) 43...Qe5–+ 44.f4 Qb5 45.Bd2 (45.Qd4 Nac5–+) 45...Nab6 (45...Nac5 46.Bc3–+) 46.Ba5 Kh6 (better 46...Nd5–+) 47.Bb6–/+ Nb6 (47...Qb6?! 48.Qd7 Qe3 49.Qd6=) 48.Qf7 Qd7 (48...Nd7!? 49.Qe8 g5–/+) 49.Qf6=+ Nd5 50.Qe5 (50.Qd4 Qf7=+) 50...Kh7 51.Qd4 (51.g4 h4=+) 51...Qe6–/+ 52.Qa7 Qe7 (52...Kg8!? 53.Qa8 Kf7 54.Qb7 Kf8 55.Qa8 Ke7 56.Qb7 Qd7–/+) 53.Qe7=+ Ne7 54.g4? (better 54.e4=+) 54...hg4 (54...Nd5 55.Kg2 hg4 56.hg4 Ne3 57.Kf3–+) 55.hg4 (55.e4 Ng8–+) 55...Nd5 56.Kg3 Ne3 57.Kf3 Nd5 58.Ke4 ½–½. Souza,Kim Garcia De (1730) – Leszczynski,Taynara (1675), PARANAENSE DE XADREZ FEMININO – Pirai d, 2017.

6.Ba1 Qb4 7.Nf3 d5 =+.

6.Ba1 Qb4 7.Nf3 Nf6 8.e3 d6 9.Bd3 (9.Be2 e5-/+) 9...Nbd7 10.Rg1 (10.Bf5 e6 11.Bd3 e5-/+) 10...g6 (10...e5 11.Bf5-/+) 11.g4 Bg7 (11...Ng4? 12.Na2 Qa5 13.Bh8 (13.Rg4?! Ne5 14.Rf4 Qa2 15.Ne5 de5=) 13...Nf2 14.Kf2 Qa2 15.Qa1 Qa1 16.Ra1+-) 12.g5 Nh5 13.h3 Nf8 14.Ne4 Bh3 15.Bg7 Ng7 16.Qa1 Nfe6 17.Qa8 Nd8 18.Qa1 0-0 19.Nd4 (19.Qd4 Qd4 20.Nd4 d5-+) 19...Bf5 (19...d5 20.Ng3-+) 20.c3 (20.Nf6 ef6 21.gf6 Bd3 22.fg7 Re8 23.cd3 c5-+) 20...Qb6-+ 21.Nf5 Nf5 (21...gf5?! 22.Nf6 ef6 23.gf6=) 22.Nf6? (better 22.c4-+) 22...ef6 23.Bf5 fg5 (better 23...gf5 24.gf6 Kh8-+) 24.Rg5 Qc5 25.c4?? (25.d4 Qd5 26.e4 Re8-+) 25...Qe5 (better 25...h6 26.Rg4 Qf5-+) 26.Qe5 de5 27.Rg3 Kg7 28.Bc8 Kf6 29.Ke2 Ke7 30.Rh3 h5 0-1. Mamontmamont (2270) - zumpili (2485), Rated Bullet game, lichess.org, 2019.

6.Qb1?? Qb4 0–1. guest1488 – guest820, ICC, 1999.

7.Na4 d5 8.Bc3 Qg4 9.Nb6 d4 10.Bd4 c5 (10...Bf5 11.f3 Qg5 12.e4+–) 11.Bc3 e5 (better 11...Kd8+–) 12.Be5 (12.Nc8?! Qc8 13.Be5 f6+–) 12...Qe6 (12...Nc6 13.Nc8 Qc8 14.Bg7 Nd4 15.Bd4 cd4+–) 13.Nc8 (13.Bb8?! Qb6 14.e3 Bf5+–) 1–0. Souza,Kim Garcia De (1730) – Loss,V Pinheiro Costa, Championship Paranaense Absoluto, 2017.

7.Na4 e6 8.Bc3+= (8.Bg7?? Bg7 9.c3 Qa5–+) 8...Qg4 9.Nb6 Kd8 10.Nf3 f6 11.Qa8 Bd6 12.Ba5 Bc7 13.e3 Ne7 14.Nc4 Na6 15.Bc7 (15.Nd6! Ba5 16.Nf7 Ke8 17.Nh8=+) 15...Nc7= 16.Qa5 d5 17.Nd6 Kd7?? (better 17...Rg8=+) 18.Nf7+– Qf5 (18...Qh5 19.Nh8 e5 20.c4+–) 19.Bd3 Qh5 20.Nh8 Qe8 21.Bh7 Qh8 22.Bd3 e5 23.Be2 Qh7 24.d3 g5 25.h4 g4 26.Nd2 f5 (26...Qh5 27.Qb4 Ke8 28.Nf1+–) 27.Nb3 Na6 (27...Qh5 28.d4+–) 28.Qc3 Kd6 (28...Qg7 29.h5+–) 29.Kd2 (29.d4 ed4 30.Qd4 Kd7+–) 29...b5 (29...c5 30.Qb2+–) 30.g3 Qh6 Black plans f4 31.Ra1 (better 31.d4!? ed4 32.Nd4 Kd7+–) 31...d4 32.Qa5 de3 33.fe3 f4?? (better 33...Nd5 34.Qd8 Bd7+–) 34.Qd8 Ke6 35.Bg4 Kf7 36.Bc8 fe3 (36...Qf6 37.Ba6 fe3 38.Kc1 Qf1 39.Kb2+–) 37.Ke2 Nd5 38.Rf1 (38.Ba6?! Qh5 39.Kf1 Qf3 40.Kg1 Qg3 41.Kh1 Qh3 42.Kg1 Qg3 43.Kh1 Qh3 44.Kg1 Qg3=) 38...Nf6 39.Rf6! Qf6 40.Qf6 Kf6 41.Ba6 1–0. Souza,Kim Garcia De (1765) – Leszczynski,Taynara (1665), 2018.

7.Na4 f6 8.Bc3 Qf4 9.Nb6 Qc7 10.Na8 Qd6 11.e4 (11.Nf3 e6=) 11...Na6 12.Nb6 Qc7 13.Nc8 (13.Qb2 e6=) 13...Qc8 14.Ba6 (14.d4 e6=) 14...ba6+= 15.Nf3 e6 (15...e5 16.0-0+=) 16.0-0= Be7 17.Rb1 Nh6 (17...d5 18.Qa4 Bd6 19.Rb6=) 18.Rb6+= Nf7 (18...a5 19.Qa5 0-0 20.Qa4+=) 19.Ra6 0-0 20.d3 e5 (20...d5 21.Nd4 Nd8 22.Ra8+=) 21.Ra5 (21.Ra7 Bc5 22.Ra5 Bb6=) 21...d5= 22.Qa4 Qb7 23.g3 Bd6 24.Ra7 Qb8 25.Ra6 d4 26.Bd2 Qb5 27.Qa2 Rb8 28.Kg2 Bf8 29.Ra7 Rb7 30.Ra5 Qb1 31.Qc4 c5 32.Ra8 Rb8 33.Ra7 Rb7 34.Ra5 Qb6 35.Ra6 Qb5 36.Qe6 Re7 37.Qa2 Rc7 38.Ra8 Qb7 39.Ra4 Qb5 40.Bc1 g6 41.Nd2 Bh6 42.Ra6 f5 43.Nc4 Bc1 44.Nd6 Qd7 45.Ra8 Kg7 46.Ne8 Kh6 47.Nc7 fe4 48.Ne6 ed3 49.Ra7?? Qc6+= 50.f3 Qe8 51.cd3 c4 52.Qc4 Be3 53.h4 e4 54.de4 (54.Nd4?! ef3 55.Kh1 Ne5+/–; worse is 54.fe4 Bd2+–) 1–0. Luzuriaga,Norberto Horacio (2350) – Baeckstroem,Mikael (2255), corr WSTT/3/06/Semifinal, 2008.

7.Na4 f6 8.Bc3 Qf4 9.Nb6 Qc7 10.Na8 Qd6 11.e4 e6 12.e5 (12.Qa7 c5 13.Nb6 Qc7 14.Nc8 Qc8=) 12...Qa3+= 13.Qa3 Ba3 14.Nb6 Kd8 15.Nf3 (15.Ba5 Be7+=) 15...Be7+– 16.Ba5 (16.Bc4 Nh6+=) 16...d6 (16...Na6 17.Ba6 ba6 18.Ke2+–) 17.d4 (17.Nc4 Kd7+=) 17...de5 18.Bc4 (18.de5 Nd7=) 18...Na6 (18...ed4 19.Nd4 e5 20.Na8 Ke8 21.Nc7 Kd8 22.Nde6 Be6 23.Ne6 (worse 23.Be6 Bd6 24.Nd5 Ke8–/+) 23...Kc8 24.Ng7=) 19.Ba6 (19.Nc8!? Kc8 20.Be6 Kb8 21.de5 fe5 22.Ne5=) 19...ba6= 20.de5 Bb7 21.0-0 c5 22.Rb1 Bc6 (22...Kc7 23.Na4 Kc8 24.Rb6+=) 23.Nc4+= Kc8 24.Nfd2 Nh6 (24...Bb5 25.Nd6 Bd6 26.ed6+–) 25.Nb6= Kd8 (25...Kc7 26.Nd5 Kd7 27.Ne7 Ke7 28.Rb6+=) 26.Nd5 Kd7 27.Ne7 ½–½. Fels,Bernhard (2205) – Guevara i Pijoan,Josep (2290), TT/1/14/1 ICCF, 2014.

7.Qa8 Qb2–/+ 8.Qb8 Kd8 9.e3 Qa1 (9...Qc2!? 10.Ba6 Qb2–/+) 10.Nd1+= d6 11.Nf3 h6 12.Bc4?? (better is 12.Nd4–/+) 12…Nf6–+ (12...Nf6 13.Nd4 Nd7 14.Nc6 bc6–+) 0–1. Gundersen,H (2230) – Bachmann,KH (2280), European Senior Team, 2011.

7.Nd1 f6 8.Qa8 Qd6 9.Ba3 Qc7 10.e4 d6 11.Nf3 e5 12.Bc4 b5 13.Bb3 Qb7 14.Qa5 Na6 15.Ne3 Nh6 16.0-0 Nf7 (16...b4 17.Bc1–/+) 17.d4 Be7 18.d5 c5 19.Rb1 Bd8 20.Qd2 Bd7 21.Qe2 g6 22.Bc4 (22.c4!?=+) 22...Nc7–/+ 23.Bd3 Qa6 24.Ra1 c4 25.Nc4 bc4 26.Bc4 Qc8 27.h4 (27.Bd3 0-0–/+) 27...h5 (27...Bg4 28.Qe3–+) 28.Nd2 0-0 29.Bd3 Kg7 30.Nc4 Be7 (30...Ne8 31.Ne3–+) 31.f4 (31.Nb6!? Qd8 32.Nd7 Qd7 33.Bc1–+) 31...ef4–+ 32.Qf2 g5 33.hg5 (33.Bb2 Kg8–+) 33...fg5 34.Bb2 Kg6?? (34...Kg8 35.Ra7 Qd8 36.Qb6=) 35.e5? (better 35.Nb6!? Qd8 36.Nd7 Qd7 37.e5 Kh6 38.e6 Ne6 39.de6 Qe6 40.Qd4–/+) 35...Bf5–/+ 36.e6 Bd3 (36...Nd5?! 37.ef7 Rf7 38.Ba3–/+) 37.cd3 Ne5 (37...Nh6!? 38.Qd4 Nf5 39.Qe4–+) 38.Be5–/+ de5 39.Ne5 Kf5 (better 39...Kg7!? 40.Nd7 Nd5 41.Qd4 Nf6–/+) 40.Qe2 (40.Qd4 Nd5 41.Qe4 Ke6 42.Ng4 Kf7 43.Qd5 Kg6 44.Ne5 Kh6=) 40...Nd5 (40...Bc5 41.Kh2 Nd5 42.Qe4 Ke6 43.Nc4 Kf6 44.Qd5=) 41.Qe4= Ke6 42.Nc4 (better 42.Ng4! Kf7 43.Qd5 Kg6 44.Ne5 Kh6 45.d4=) 42...Kf7?? (better 42...Kf6 43.Ra5 Rd8 44.Qd4 Kg6 45.Ne5 Kg7 46.Rd5 Rd5 47.Qd5 Qc5 48.Qc5 Bc5 49.Kf1 Be3–+) 43.Qd5+= (43.Qd5 Qe6 44.Ne5 Kf6 45.Nd7 Kf7 46.Qe6 Ke6 47.Nf8 Bf8 48.Ra5+–) 1–0. TwelveTeen (2685) – gnejs (2685), lichess.org, 2018.

7.e3 Nf6 8.Nf3 d6 (8...d5 9.Be2+= b5 10.0-0 Qd6+=) 9.Be2 Qb6 (9...e5 10.0-0+= Be7+=) 10.0-0 (10.Qa8 Qc7+=) 10...Qc7 (10...e5 11.e4+=) 11.Qa7 (11.e4 b5+=) 11...Nbd7 12.Ra1 g6 (12...e6 13.e4+=) 13.Ne4 Bg7 14.Nf6 (14.Bc3 0-0 15.Nf6 Nf6+= (worse is 15...ef6 16.Ba5 Qb8 17.Qb8 Nb8 18.Bc7+/–)) 14...Nf6 15.Bc3 (15.c4 e5+=) 15...0-0 16.Ba5 Qd7 17.Rb1 (17.Bb6 Nd5 18.d4 e5+=) 17...b5–/+ 18.Qd7 Bd7 19.c4 Ra8 (19...Bf5 20.Rc1 Ra8 21.Bc3 bc4 22.Bc4–/+) 20.Bc3 Ne4 (20...Bf5 21.Rc1 bc4 22.Bc4–/+) 21.Bg7 Kg7 22.cb5 (22.h3 Ra5–/+) 22...cb5 23.h3 f5 24.Bb5 Bb5 25.Rb5 Ra1 26.Kh2 Nf2 27.Kg3 Ne4 28.Kh2 Ra2 29.d3 Nf2 30.Rb3 Nd1 31.d4 Re2 32.Ng1 Re3 33.Re3 Ne3 34.Kg3 Kf6 35.Kf3 Nd5 36.Ne2 e5 37.de5 de5 38.g3 e4 39.Kf2 g5 40.Nc1 Ke5 41.Nb3 f4 42.gf4 gf4 43.Na5 f3 44.Nc6 Kf4 45.Nd4 e3 46.Kf1 Kg3 47.Ne6 Nf4 48.Nf4 Kf4 0–1. Yeung,Chun Keung (1740) – Baeckstroem,Mikael (2295), corr ICCF WSTT/3/06/1, 2006.

7.Nf3 e6 (7...d5 8.e3=+) 8.e3 Nf6 9.Be2 Be7 10.0-0 0-0 11.d4 d5 12.Qd3 Nbd7 (12...b6!?–/+) 13.Rb1=+ Qd6 14.Na4 (14.e4 de4 15.Ne4 Ne4 16.Qe4–/+) 14...c5 (14...Qc7!?–/+) 15.dc5 Nc5 16.Nc5 Qc5 17.Ne5 (17.Bd4 Qc7=+) 17...Bd6 18.Nf3 Ne4 19.Rb5 (19.Bd4 Qc7=+) 19...Qc6 20.Nd4 (20.Bd4 Re8–/+) 20...Qd7 (20...Qc7 21.Nf3–/+) 21.c4 Nc5 (better 21...Qc7!? 22.g3 Bd7–/+) 22.Qc3= dc4 23.Nf5 Threatening mate... how? 23...f6 (23...ef5 24.Qg7 A beautiful mate combination) 24.Nd6 Qd6 25.Qc4 Nd7 26.Bg4 f5 27.Bf3 Attacks the pawn on b7 27...Re8 (27...Rd8!?=) 28.Rf5+– g6 (28...Qa6 29.Qd4 Re7 30.Rh5+–) 29.Qc3 (29.Rb5!?+–) 29...e5+= 30.Rg5 Nf6 Black intends e4 (30...b6 31.Qc2+=) 31.h4 (31.Re5 Re5 32.Qe5 Qe5 33.Be5+–) 31...Be6? (31...Bf5!?+=) 32.h5 (better 32.Qe5 Qe5 33.Be5+–) 32...e4?? (better 32...Bf5+–) 33.hg6 (33.Qf6 Qh2 34.Kh2 Re7 35.Qe7 Bf7 36.Qd8 Be8 37.Qe8) 33...ef3 (33...Ba2 34.Bh5 Rf8+–) 34.gh7 Kh7 35.Qd4 (35.Qc2 Qd3 36.Qd3 Ne4 37.Qe4 Kh6 38.Qg6) 35...Qd4–+ 36.Bd4 Nd5 (36...Nd5 37.Rg7 Kh6 38.Rb7 Rg8–/+; 36...Ne4 37.Rg7 Kh6 38.Rb7 Rg8 39.Bg7 Rg7 40.Rg7 Kg7 41.gf3 Nd2–+) 0–1. aravind555 (1705) – Hurzzz (1700), lichess.org, 2018.

7.Nf3 Nf6 8.e3 e6 9.Na2 Qe7=+ 10.Be2 Qd8 11.Nc1 Be7 12.0-0 0-0 13.Qa7 Na6 14.Nb3 Nd5 (14...d6 15.Ra1=+) 15.Bd4 Bd6 16.Ba6 ba6 17.c4 Nf6 18.Bb6 Qe8 19.Nc5 The isolani on a6 becomes a target 19...Nh5 (19...e5 20.d3=) 20.Ne4 Be7 21.c5 (21.Bc5!? Bc5 22.Qc5+=) 21...f5=+ 22.Nd6 Bd6 23.cd6 e5 24.d3 Kh8 25.Ba5 e4 26.de4 fe4 27.Nd2 Qe5 28.Qc7 (28.Bb6 A) worse 28...Qd6 29.Bc5 (29.Ne4?! Qg6 30.Bc5 d6 31.Bd6 Re8=) 29...Qd2 30.Bf8+–; B) 28...Nf6 29.Bd4 Qa5 (worse 29...Qd6 30.Bc5 Qd2 31.Bf8+=) 30.Bf6 Qd2=) 28...Qd5 (28...Nf6!? 29.Nc4 Qb5–/+) 29.Bc3 Nf6 30.Bd4 Kg8 31.h3 Kf7 32.Ra1 Qb5 (32...Rg8!?=) 33.Bf6+– gf6 34.Ne4 Qe5 35.Ra4 Qb5 36.Rd4 Rg8 37.Ng3 c5 38.Rh4 Qc6 (38...Bb7 39.Rh7 Rg7 40.Rg7 Kg7 41.Qd8+–) 39.Rh7 Rg7? (39...Kg6 40.Qc6 dc6+–) 40.Rg7 Kg7 41.Qd8 (better 41.Nf5 Kf7 42.Qd8+–) 41...Bb7 (41...Qd5+–) 42.Qe7 (42.Nh5 Kh7 43.Qe7 Kh6 44.Qf6 Kh5 45.g4) 42...Kg6+– 43.Qe8 Kh7 44.Qf7 Kh8 45.Qf6 Kh7 46.f3 Qd5 47.Qe7 (better 47.Nf5 Qf5 48.Qf5 Kh8 49.Qd7 Bd5 50.Qd8 Kg7 51.Qg5 Kh8 52.Qh6 Kg8 53.d7 Kf7 54.d8Q Bf3 55.Qhf6) 47...Kg6 48.Qe8 (better 48.h4 Qd1 49.Kh2 Bf3 50.Qg5 Kf7 51.Qf5 Kg7 52.Qd7 Kf6 53.Qe7 Kg6 54.Qe6 Kg7 55.Nf5 Kh7 56.Qf7 Kh8 57.Qg7) 48...Qf7 49.Qe5 c4? (49...Qd5 50.Qd5 Bd5 51.e4+–) 50.Ne2 (50.Qh5 Kg7 51.Qg5 Kf8+–) 50...Kh7 51.Nf4 Qg7 (51...Bc6+–) 52.Qf5 Kg8 53.Ng6 Qf7 (53...c3 54.Ne7 Kh8+–) 54.Ne7 Kf8 55.Qd7 Bf3 (55...c3 56.Qb7 c2 57.Qc8 Kg7 58.Qc2 Qe6 59.Qg6 Qg6 60.Ng6 Kg6+–) 56.Qc8 Kg7 57.gf3 Qf6 58.Qg4 Kh7 59.Qc4 Qg7 60.Kf2 Qb2 61.Kg3 Qe5 62.Qf4 Qg7 63.Kh4 Kh8 64.Qd4 (64.Qd4 Kh7 65.Qe4 Kh8 66.d7 Qf6 67.Kh5 Qf7 68.Ng6 Kg8 69.d8Q Qe8 70.Qde8 Kg7 71.Q4e7) 1–0. Wong,Brian (2020) – Tang Tsz Sang (1805), Hong Kong Chess Championships, 2016.

5.ba5?? Qa5?? 6.e3 (6.Bc3 Qc5 7.e4 Nf6+=) 6...Nf6 (6...e5 7.Bc3 Qc5 8.d4 ed4 9.Bd4 Qa5 10.Bc3+=) 7.Nf3 d5 8.cd5 Nd5 9.Nc3 Bg4 (9...Nf6 10.Ba6 Ra6 11.0-0=) 10.Be2 e6 11.0-0 Nc5 12.Nd5 ed5 13.Bc3 (13.Ne5 Be2 14.Qe2 Bd6=) 13...Qc7 (13...Qa4 14.Qc1=) 14.Bb4 (14.h3 Bf3 15.Bf3 Ne6=) ½–½. Dietrich,T – Stiemer,Soenke (2080), Velden op, 1996.

5.ba5?? Qb2 6.Nc3 Nc5 –+.

5.Qb3 Nc5 6.Qc3 Na4 7.c5 –/+.

5.Qb3 Nf6 6.Nf3 e6 7.d4 c5 8.dc5 (8.e4!?=) 8...Bc5 9.e3 ab4 10.Nbd2 ba3 11.Qb6 Bb6 12.Bf6 gf6 13.Ra3 Bc5 14.Ra1 Nc7 15.Ra8 Na8 16.Bd3 b6 17.Ne4 Ke7 18.Ke2 Nc7 19.Ra1 Na6 20.Nc5 bc5 21.e4 d6 22.Nd2 Bb7 23.Rb1 Nb4 24.f3 Ra8 25.g4 h6 26.h4 Ra2 27.Ke3 Ba6 28.h5 (28.f4!?–/+) 28...d5–+ 29.ed5 ed5 (29...Nd3?! 30.d6 Kd6 31.Kd3+=) 30.Bf1? (better is 30.Re1 Kd8 31.Bb1 d4 32.Ke2 Bc4 33.Kd1–+) 30…d4 (30...d4 31.Ke2 Bc4 32.Kd1 Bf1 33.Nf1 Nd5–+) 0–1. Moiseev,Viktor (2415) – Vasiliev,Vladimir P (2345), Riazan Region–ch, 2007.

5.b5 cb5 6.Qb3 b4 7.d4 d6 8.Nf3 Nf6 9.Nbd2 Bd7 10.e4 a4 11.Qd3 ba3 12.Ba3 The passed pawn on a4 will become decisive later 12...Rc8 (12...e6 13.Be2=+) 13.Rb1 Qc7 14.Be2 e5 15.0-0 ed4 16.Nd4 Nc5 17.Qe3 Be7 18.Nb5 Bb5 19.Rb5 Nfd7 20.Rfb1 Attacking the backward pawn on b7 20...0-0 21.Bg4 b6 22.Bc5 dc5 23.Bd7 Qd7 24.Rb6 Rfd8 25.Nf3 (25.Rd1 Qg4 26.f3 Bg5-/+) 25...a3 (25...Ra8 26.Rb7 Qe6 27.Ra1=+) 26.Ra6 (26.Qa3!? Qd1 27.Ne1+=) 26...Ra8=+ 27.Ra8 (27.Ra3?? Ra3 28.Qa3 Qd1 29.Ne1 Qb1-+) 27...Ra8 28.e5 a2 29.Ra1 Qb7 30.Qc1 Qe4 31.Qb2 Bd8?? (31...Qc4 32.Qb7 Re8=) ½-½. Psion - Psion, 4 min/Zug, 1989.

5.Bc3 ab4 6.ab4 d5 +=.

5.Bc3 ab4 6.ab4 d6 7.e3 Nf6 (7...Bf5!?=) 8.b5+/– Nc7 9.Ra8 Na8 10.Qa4 Nc7 11.Ba5 Qa7 12.b6 (12.bc6? b6–+) 12...Qa8 13.bc7 b6 The passed pawn on c7 quickly leads to threats 14.Nf3 (14.Bb6 Qa4) 14...Kd7 15.Nd4 ba5 16.Nc3 Kc7 17.Be2 Bd7 18.0-0 (18.Bf3 e5 19.Nb3 d5=) 18...g6 (18...Kd8 19.Nb3=) 19.Nb3 Exerts pressure on the isolated pawn (19.Bf3 Bg7+=) 19...Bg7 20.Qa5 (better is 20.Bf3!?+=) 20...Qa5–/+ 21.Na5 Rb8 (21...Ra8 22.Nb3–/+) 22.Rb1 (22.d4 e5=+) ½–½. Hildingstam,Stefan – O'Hara,Matthew D, corr or01–005 E–mail, 2001.

5.Bc3 ab4 6.ab4 Nf6 7.d3 (7.c5 Qc7=) 7...d5 (7...d6 8.Nf3=) 8.c5 Qd8 9.e3 g6 10.Be2 Bg7 11.Nf3 0-0 12.Nbd2 Bg4 13.0-0 Nh5 (13...Bf3 14.Nf3 (14.gf3?! Nd7 15.d4 b5=) 14...b5 15.Qc2+=) 14.d4 (14.Bg7 Ng7 15.d4 b5+=) 14...Nc7 (14...b5 15.Ra3+=) 15.Qb3 (15.Ra8 Na8 16.h3 Bf3 17.Nf3 b5+–) 15...Qd7+= 16.Rfe1 Bf3 17.Nf3 f5 (17...Nf6 18.Qc2+=) 18.Bd3 (18.Ne5 Be5 19.de5 Qe6+–) 18...e6 (18...Nf6 19.Ra5+=) 19.Reb1 White prepares b5 19...f4 20.Qc2 Bf6 (20...fe3 21.fe3 Ra1 22.Ra1+–) 21.Ra8 Na8 22.b5 (22.e4 de4 23.Be4 Nc7+–) 22...Nc7 (22...fe3 23.fe3 Ng7 24.bc6 bc6 25.e4+–) 23.b6 Ne8 24.Ra1 Neg7 (24...fe3 25.fe3 Nhg7 26.Ra7+–) 25.Ra7 Nf5 26.ef4 Nf4 27.Ba6! Rb8 (27...ba6 A pinning theme 28.Rd7) 28.Qa4 (28.Bd2!? Ng2 29.Kg2 Bd4 30.Nd4 Nd4+–) 28...g5+– 29.Rb7 (29.Rb7 Nh3 30.gh3 Rb7 31.Bb7+–) 1–0. Fritz – Jackl, corr, 1966.

5.Bc3 Nf6 =.

5.d4 ab4 6.c5 Qa5 7.ab4 Qb4 8.Bc3 Qc4 9.e3 Qe6 10.Nf3 d5 11.Nbd2 Nf6 12.Be2 h6 13.0-0 g6 14.Ne5 Bg7 15.f4 (15.Qb3 0-0=) 15...0-0 16.h3 Ne8 17.g4 (17.Bg4 f5 18.Be2 Nd6=) 17...Kh7 (17...Nec7 18.Ba5=+) 18.f5 (18.Bd3 f5+=) 18...gf5=+ 19.gf5 (19.Bd3 Qf6=+) 19...Qf6 20.e4 (20.Bd3 Qg5 21.Kh1 Be5 22.de5 Qe3=+) 20...Qh4-/+ 21.Ndf3?? (better 21.Qe1 Qe1 22.Rfe1-/+) 21...Qg3-+ 22.Kh1 Qh3 23.Kg1 Be5 24.Ne5 Qg3 (24...Rg8 25.Bg4 Nf6 26.Rf3 Rg4 27.Ng4 Qg4 28.Kh2 Ne4 29.Qh1 Bf5 30.Rg1 Qh5 31.Kg2 Qg5 32.Kh2-+) 25.Kh1 de4 (25...Qc3?! 26.Rf3 Qb4 27.Ra4 Qa4 28.Qa4 de4 29.Rf1-/+) 26.Bg4 (26.Qb3 Rg8 27.Qf7 Rg7 28.Qg6 Rg6 29.fg6 Kg8 30.Bc4 e6 31.Bd2-+) 26...Nf6 (better 26...Qc3 27.Rb1 Qe3-+) 27.Be1 Qe3 28.Qe2? (28.Ra4 Ng4 29.Qg4-+) 28...Qd4 (worse 28...Ng4 29.Qg4 Qd4 30.Bg3-+) 29.Bg3 Rg8 (29...Qc5 30.Bf4-+) 30.Rad1 (30.Bf4 e3 31.Bh3 Nd5-+) 30...Qc5 31.Bh4 (31.Bf4 Ng4 32.Ng4 Qf5-+) 31...Ng4 (better 31...Qe5 32.Bh3 Nb4 33.Bf6 ef6-+) 32.Ng4 Bf5 33.Nh6 (33.Be7 Rg4 34.Bc5 Rh4 35.Qh2 Rh2 36.Kh2-+) 33...Kh6 34.Qh2 (34.Be7 Qe7 35.Qh2 Kg7 36.Rf5 Qe6 37.Rg5 Kf8-+) 34...Bg4 35.Qf4 Kh7 36.Qe4 (36.Rb1 Qc2 37.Bg3 Bf3 38.Rf3 ef3 39.Rg1-+) 36...Rg6 (better 36...f5 37.Qe7 Qe7 38.Be7 Bd1 39.Rd1 b5-+) 37.Rf7 Kh6 38.Re7 (38.Qf4 Rg5 39.Rd6 ed6 40.Qf6 Rg6 41.Qf4 Rg5 42.Qf6 Rg6 43.Qf4 Rg5=) 38...Rag8 (better 38...Rf8 39.Qd3 Rf4-+) 39.Qf4+- Rg5 40.Rd6 Qd6 41.Qd6 R5g6 (41...R8g6 42.Bg5 Kg5 43.Qe5 Bf5 44.Rf7 Rh6 45.Kg2 Rh8 46.Rg7 Kh6 47.Qf6 Kh5 48.Qg5) 42.Qf4 Rg5 43.Bg5 (43.Qf6 R5g6 44.Bg5 Kh5 45.Rh7 Rh6 46.Rh6) 43...Rg5 44.Rh7 (44.Qf8 Rg7 45.Rg7 Bf3 46.Rg2 Kh5 47.Qh8) 44...Kh7+- 45.Qg5 Bf3 46.Kh2 (46.Kg1 Bd5+-) 46...Bd5 47.Qe7 (better 47.Kg1!? Bf7 48.Qe7 Kg6 49.Qb7 Nc5 50.Qc6 Ne6+-) 47...Kg6 48.Qb7 Nc5 49.Qc7 Ne4 50.Qf4 Ng5 51.Qd6 (51.Kg3 Ne4 52.Kf3 Nf6 53.Ke2 Ne4+-) 51...Kf5+/- 52.Kg1 Kg4 53.Kf1 Nf3 (53...Ne4 54.Qe5+/-) 54.Kf2 Kf5 55.Ke3 Ne5 56.Qf8 Ke6 57.Qg8 Kd6 58.Qd8 Ke6 59.Kd4 Nd7 60.Qe8 Kd6 61.Qg6 Kc7 62.Qh6 Kd8 63.Qd6 Ke8 64.Ke3 Nf8 65.Kf4 Kf7 66.Kf5 Be6 67.Kg5 Bd5 68.Qf6 Ke8 69.Kf5 Nd7 70.Qd6 Nf8 71.Ke5 Kf7 (better 71...Nd7 72.Kf4 Nf8 73.Qe5 Kf7 74.Qf5 Ke7 75.Qg5 Kf7+-) 72.Qf6 Kg8 73.Kf5 (73.Kd6!? Nh7 74.Qg6 Kh8+-) 73...Be6 74.Kf4 Bd5 75.Kg4 Nh7 76.Qe7 Nf8 77.Kh5 Bf7 (77...Ne6 78.Kg6 Nf8 79.Kh6+-) 78.Kh6 Ne6 79.Qf6 (79.Qd6!? c5+-) 79...c5 (79...Kf8 80.Qf3 c5 81.Qb7+-) 80.Qf5 (better 80.Qe7!? c4 81.Qd6+-) 80...Kf8 81.Qe5 Ke7 82.Qd5 Kf8 (better 82...Kf6+-) 83.Qd6 Ke8 84.Kh7 Ng5?? (better 84...Nf8 85.Kg7 Nd7+-) 85.Kg7 Ne6 (85...Bb3+-) 86.Kf6 (86.Kf6 Nd4 87.Qe7) 1-0. carlson (2140) - arina1999 (2060), Rated Blitz game, lichess.org, 2013.

5.d4 ab4 6.c5 Qa5 7.ab4 Qb4 8.Bc3 Qc4 9.e4 Qe6 10.Nd2 (10.Bd3 Nf6 11.Nd2 d6=) 10...d5 11.e5 g6 (11...Nh6 12.Ngf3=) 12.Be2 (12.Bd3 Bg7=) 12...Nh6 13.Nh3 (13.Ngf3 Bg7=) 13...Bg7 14.0-0 (14.Nf3 f6=) 14...0-0 (14...f6 15.Nf4 Qf5 16.Nd3=+) 15.f4 (15.Qb1 f6 16.Nf4 Qf5=+) 15...f6=+ 16.Qb3 (16.Nf2 Nf5 17.Bg4 Qf7=+) 16...Qf7 17.Nf2= Nc7 18.Ra8 Na8 19.Ba5 Nf5 20.Nf3 fe5 21.fe5 Qe6 22.Bd2 Nc7 23.Bd3 Qd7 24.Qb4 Ne6 25.Rb1 Attacking the backward pawn on b7 25...Nd8 26.Ra1 Rf7 27.Ra7 Ne6 28.Nh3 Rf8 29.Kh1 Kh8 30.Be2 Qc7 31.Ra3 Qb8 32.g4 Nh6=+ 33.Nh4 Bd7 34.Kg2 Bc8 35.Rb3 Nf7 36.g5 Qc7 37.Nf3 Qd7 38.Nf2 Nfd8 39.Ra3 Nf4 40.Bf4 Rf4 41.Qd2 Ne6 42.Qe3 Rf8 43.Nd3 Nf4 44.Nf4= Qg4 45.Kh1 Qf4 46.Qf4 Rf4 47.Kg2 Kg8 48.Kg3 Rf8 49.Ra7 Kf7 50.Ne1 h6 51.Nf3 hg5 52.Ng5+= Kg8 53.Bg4 Bg4 54.Kg4 Rb8 55.Ra3 Bf8 (55...Bh6 56.Rb3+=). Sternik,Ryszard – O'Hara,Matthew D, corr or01–005 E–mail, 2001.

5.Nf3 ab4 6.Qb3 e6 =.

5.Nf3 ab4 6.Qb3 Nf6 =.

6.Qc2 ab4–+ 7.ab4 Ra1 8.bc5 Rb1! 9.Qb1 Qc5 10.Nf3 Nf6 11.e3 d6 12.Bd4 (12.Qa2 e6–/+) 12...Qa5 13.Bb6 (13.Be2 Nd5–/+) 13...Bf5 (13...Qa3!? 14.Bd4–+) 14.Qb2–/+ Qa4 15.Nd4 Be4 (better is 15...Bg6!?–+) 16.f3+= Bd5 17.Nb5 (17.e4!? Qa2 18.Qc1+=) 17...Qb3–+ 18.Nc7 (18.Qc3 Qc3 19.Nc3 Be6–+) 18...Kd7 19.Qa1?? (better is 19.Qb3 Bb3 20.Kf2–+) 19...Qb6 20.Na8 (20.Nd5 Nd5 21.Kf2 e6–+) 20...Qb3 (20...Qc5 21.Be2 g6 22.0-0–+) 21.e4 (21.Qa7 e5 22.Nb6 Kc7 23.Na8 Kd8–+) 21...Qa2 22.Nb6 Kd8 23.Qc3 (23.Qc1 Bb3 24.Qc3 g6–+) 23...Qb1 24.Kf2 Qb6 (24...Qb6 25.Qe3 Qe3 26.Ke3 Be6–+) 0–1. Martinez De Navascues,Francisco (1760) – Nieto De La Cruz,Julio (2175), Madrid ESP, 3rd Chamartin Open, 2014.

6.bc5 Qb2 7.Nc3 a4 8.e3 Qb3 9.Qc1 e5 10.Nf3 d6 (10...Qe6 11.Ne4+= h6 12.Bc4 Qg6 13.Ng3 d6 14.cd6 Qd6) 11.d4 (11.Ng5!? h6 12.Rb1 hg5 13.Rb3 ab3 14.Qb2 dc5 15.Qb3+=; 11.Ne4 Qd5 12.Nfg5 Be6 13.Rb1 Nf6 14.Ne6 fe6) 11...Qe6 (11...Nf6 12.Be2 Qe6 13.Ng5 Qf5 14.e4 Qg6) 12.d5 (12.cd6 ed4 (12...Bd6 13.Ne5 Be5 14.de5 Qe5) 13.Nd4 Qd6+= 14.Be2 Nf6; 12.Bd3 ed4 13.Nd4 Qe5 14.cd6 Bd6) 12...cd5 (12...Qg6 13.Qd1+= (13.dc6 bc6 14.cd6 Bd6) 13...e4 14.Nd2 Nf6) 13.Bb5 (13.Ng5!? Qg6 (13...Qf5 14.Nd5 Qg5) 14.Nd5+= Qg5) 13...Bd7–/+ 14.Bd7 (14.Ng5 Qe7) 14...Qd7 (14...Kd7 15.Qb2 Kc8 16.Rb1+/–) 15.Nd5 Ra5 (15...dc5 16.Nb6 Qd8 17.Qb2+–) 16.0-0 (16.Nb6 Qc6 17.Qc4 Rc5 18.Qa4 Nf6–/+) 16...Rc5 (worse is 16...dc5 17.Qc3 Ra6 18.Qe5 Kd8 19.Qb8 Qc8 20.Qf4+/–) 17.Qd1 b5 18.e4 Ne7 19.Nb4 Nc6 20.Qd2 Be7 21.Rac1 Nb4–+ 22.ab4 Rc1 23.Rc1 Qb7 24.Qd3 0-0 25.g3 g6 26.h4 Rd8 27.Qe2 Ra8 28.Qd3 a3 29.Ra1 Qc6 30.Nd2 Ra4 31.Kg2 a2 32.Qb3 Qa8 33.f3 Ra3 34.Qc2 Bd8 35.h5 Kg7 36.f4? Bb6 37.Nf3 f5 38.Qb2 Rf3 39.Ra2 Qe4 (39...Qe4 40.Kh3 Rf1–+) 0–1. Shilov,Sergej (2265) – Duda,Jan_Krzysztof (2075), Cracovia Poland, 2009.

6.bc5 Qb2 7.Nc3 e6 8.Ra2 Qa2 9.Na2 Bc5 10.a4 Nf6 11.e3 d5 12.Nf3 0-0 13.Qc2 Bd6 14.Be2 Bd7 15.0-0 Rfc8 16.Qb3 c5 17.Bb5 c4 18.Qb2 Rc7 19.Bd7 Nd7 20.Nc3 Bb4 21.Nb5 Rcc8 22.Rd1 Nc5 23.Qa2 Rab8 24.h3 h6 25.Nfd4 Nd3 26.Ne2 Rc6 27.Nec3 Be7 28.Rb1 Bb4 29.Qc2 b6 30.Qd1 Nc5 31.Qg4 Nb3 32.Rd1 Rb7 33.Qf4 Be7 34.g4 g5 35.Qh2 Kg7 36.f4 f6 37.fg5 fg5 38.Rf1 Bf6 39.Rf3 Rd7 40.Qf2 e5 41.Rf5 Nc5 42.Qf3 e4 43.Qf1 Nb3 44.Rd5 Rd5 45.Nd5 Nd2 46.Qd1 Nf3 47.Kf2 Ne5 48.Nf6 Nd3 49.Ke2 Rf6 50.Qa1 Kg6 51.Kd2 Rf2 52.Kc3 Nc5 53.Kc4 Rc2 54.Nc3 Nd3 55.Qb1 Rb2 56.Qf1 Rf2 57.Qh1 Rf3 58.Ne4 (time) 1–0. Holz auf der Heide – Rabenstein, 1978.

6.d4 Ne4 7.Qc2 d5 8.f3 Nd6 9.e3 Bf5 (9...ab4 10.Qb3–+) 10.Qa4 (10.Qc5 Qd8–/+) 10...Qd8 (10...Nf6 11.Be2–+) 11.Nd2 (11.b5 Nb5 12.Bb5 cb5 13.Qb5 Qd7 14.Qd7 Kd7–/+) 11...ab4–+ 12.Qb4 h5 (12...e6 13.e4 Ne4 14.Qb7 Nd2 15.Qc6 Ke7 16.Kd2–/+) 13.Ne2 (13.e4 de4 14.fe4 Ne4–/+) 13...e6 14.Ng3 Bg6 15.Qc3 h4 16.Ne2 Nh6 17.Nf4 Bf5 18.Be2 Be7 19.a4 0-0 20.Nh5 (20.a5 Nb5 21.Bb5 cb5–/+) 20...g5 (20...Qa5 21.0-0–+) 21.g4 (21.a5 Nb5 22.Bb5 cb5–/+) 21...Bg6 22.Bd3 (22.a5 Nb5 23.Bb5 cb5–/+) 22...f5 (22...Bd3 23.Qd3 Qb6 24.Bc3–+) 23.h3 (23.a5 Nb5 24.Bb5 cb5–+) 23...Qe8 24.Rg1 Bh5 25.gh5 Qh5 26.Be2 (26.a5 Nb5 27.Bb5 cb5–/+) 26...Kh8 (26...f4 27.e4–+) 27.Nb3 (27.a5 f4–/+) 27...Rg8 (27...f4!? 28.a5–+) 28.Nc5–/+ g4 (28...Qf7!?–/+) 29.fg4 fg4 30.0-0-0?? (better is 30.hg4!? Ng4 31.Qb3=) 30...Rg6 (better is 30...Qf5–+) 31.Nb7?? (better is 31.Kd2–/+) 31...Nb7–+ 32.Qc6 Rb8 33.a5 (33.hg4 Ng4 34.Kd2 Nd6–+) 33...Qg5 34.a6 (34.Kd2 Na5 35.Qc3 Bb4 36.hg4 Nc4 37.Bc4 dc4–+) 34...Qe3 (35.Kb1 Qe2 36.ab7 Qe4 37.Ka1 Bb4–+) 0–1. Zylla,Johannes – Bahr,Dieter, corr ICCF–Cup8/9 V074, 1990.

6.d4 Ne4 7.Nc3 Ngf6 –/+.

6.Bc3 ab4 7.ab4 Nf6 8.Nd2 Bf5 9.e3 Qd8 10.Ngf3 Nc7 11.Be2 e6 12.0-0 Be7 13.Qb3 0-0 14.b5 cb5 15.Ba5 Qb8 16.cb5 b6 17.Bb4 Qb7 18.Ne5 Ra1 19.Ra1+= White gets in control 19...de5 20.Be7+/– Re8 21.de5 Re7 22.ef6 Rd7 23.Bf3 Qb8 24.e4 Bg6 25.Nf1 gf6 26.h4 h6 27.h5 Bh7 28.Qe3 Kg7 29.Be2 Ne8 30.f4 Qd8 31.g4 Rd4 32.f5 e5 33.Ra2 Qc7 34.Rd2 Rb4 35.Rd5+= Nd6 36.Qa3 Re4 37.Qd6+/– Qd6 38.Rd6 Re2 39.Rd3 Rb2=+ 40.Rd5 Bg8 41.Ne3= Bh7 42.Kf1 Kg8 43.Ke1 Kf8 44.Kd1 Kg7 45.Kc1 Rb4 46.Kd2 Rb1 47.Kc2 Rb4 48.Kc3 Re4 49.Kd3 Rb4 50.Nc4= Rb3 51.Kd2 Rg3? 52.Ne3+/– Rf3 53.Rd6 Rf2 54.Kd3 Rb2 55.Rb6 (55...Rb4 56.Nc4+–) 1–0. Adam,S – Klein,L, corr, 1989.

6.Qd2 Bf5 =.

6.e3 ab4 7.ab4 Qb4 8.Bc3 Qb6 9.c5 Qc7 10.Nd2 d5 11.Bd3 e6 12.Ngf3 Nf6 13.0-0 Qe7 14.Ne5 g6 15.Ba6 Ra6 16.Ra6 ba6 17.Nc6 Qc7 18.Ne5 Bg7 19.Qa4 Nd7 20.Ba5 Qa7 21.Nd7 Qd7 22.c6 Qa7 23.c7 Ke7 24.Qb4 Kd7 25.Rb1 Qa8 26.Rc1 Bb7 27.Nb3 Bf8 28.Qa4 Ke7 29.c8Q Bc8 30.Rc7 1–0. Kuehn – Wiezer, corr DDR/4.cup/PZ 4, 1975.

5.a4 c5 6.e3 Nf6 7.d4 e6 8.Nf3 Be7 9.Bd3 d5 10.dc5 Qc5 11.cd5 ed5 (11...Qd5 12.0-0=+) 12.0-0 Bg4 13.Nbd2 0-0 14.Nb3 Qc7 15.h3 Be6 16.Nfd4 Nbd7 17.Ne6 (17.Rc1!? Qb8 18.a5=) 17...fe6=+ 18.Nd4 Qd6 19.Nb5 Qb6 20.Qb3 (20.Rc1 Nc5 21.Bd4 Rfc8–/+) 20...Nc5–/+ 21.Qc2 Nd3 22.Qd3 Ne4 23.Bd4 Bc5 24.Bc5 (24.f3 Nd6–/+) 24...Nc5 25.Qd4 Nd7 (better 25...Ra4 26.Ra4 Na4 (26...Qb5 27.Rb4 Qc6 28.Rc1+–) 27.Qb4 Nc5–/+) 26.Qb4= Ne5 27.a5 Qd8 28.Nd4 Qd7 29.f4 Nc4 30.Rf3 (30.e4 Rf7=) 30...Rfb8 (30...Ra6 31.f5 Ne5 32.Rff1 ef5 33.Nb3=+) 31.f5= ef5 32.Nf5 Rf8?? (32...Kh8 33.Nd4=) 33.Raf1?? (better 33.Ne7 Kh8 34.Ng6 hg6 35.Rf8 Rf8 36.Qf8 Kh7 37.Qc5+–) 33...Ra5?? (better 33...Kh8 34.Nd4 Rf3 35.Rf3 h6=) 34.Ne7 (34.Ne7 Qe7 35.Rf8 Qf8 36.Rf8; 34.Nh6 gh6 35.Qf8) 1–0. retiponziani (1850) – Arkba (1970), ChessWorld.net, 2011.

5.a4 d6 6.d4 c5 (6...Nf6 7.Nf3–/+) 7.d5 (7.e3 Bf5=+) 7...e6 8.e4 Nf6 9.Bf6 gf6 10.Qf3 (10.Bd3 Nd7–/+) 10...Be7 (10...Bg7 11.Ra2–/+) 11.Bd3 b3 12.Ne2 f5 (12...Nd7 13.Nec3–/+) 13.Nd2 (13.de6 fe6 14.ef5 Nc6=+) 13...fe4=+ 14.Ne4 (14.Be4!? b2 15.Ra3=+) 14...Qb4–/+ 15.Nd2 (15.N4c3 Nd7–/+) 15...Nd7 (better 15...Bg5!? 16.Rd1 Ra4–+ (16...Qa4?! 17.0-0–/+)) 16.de6–/+ fe6 17.Qh5 (17.Rb1 b2 18.Bc2 Ra6–/+) 17...Kd8–+ 18.Rb1 Ra4 (better 18...b2–+) 19.0-0?? (better 19.Rb3 Ra1 20.Bb1–/+) 19...Qd2–+ 20.Rb3 (20.Rfd1 Qb4–+) 20...Qg5 (better 20...b5!? 21.cb5 c4 22.Nd4–+) 21.Qh3 Rg8 (21...Qh4 22.Qe6 Ne5 23.Qd5 Nd3 24.Qd3 Qc4 25.Qd1–+) 22.Bh7 (22.Be4 Qf6 23.Bb7 Bb7 24.Rb7 Rc4–+) 22...Rh8 23.Qe6 (23.Rg3 Qe5 24.Rg8 Rg8 25.Bg8 Qe2 26.Be6 Bf6–+) 23...Rh7 24.f4 Qg7 (better 24...Qh4 25.Rh3 Nf6 26.Rh4 Be6 27.Rh7 Nh7 28.Kf2–+) 25.g3 (25.Qd5 Nf6 26.Qd2 Qh8–+) 25...Ne5! 26.Qd5 (26.fe5 Be6) 26...Nc4 27.Rb7 (27.Rc1 Qg4 28.Nc3 Bf6–+) 27...Bb7 (better 27...Ne3!? 28.Qb3 Bb7 29.Qb7 Nf1 30.Qb8 Kd7 31.Qb5 Ke6 32.Qa4 Nh2 33.Qe4 Kf6 34.Qe3–+) 28.Qb7 Ra1 (better 28...Rb4 29.Qa8 Kd7 30.Qa7 Ke8 31.Qa8 Bd8 32.Rc1–+) 29.Qb8 Kd7 30.Rb1 (30.Qb5 Kc7 31.Qc4 Rf1 32.Kf1 Rh2 33.Qa2–+) 30...Rb1 31.Qb1 Qh6 (better 31...d5 32.Qb7 Ke6 33.Qc8 Kf7 34.Qf5 Ke8 35.Qc8 Bd8 36.Qe6 Kf8 37.Qf5 Qf7 38.Qg4–+) 32.Qb7 Ke8 33.Qc8 (33.Qb5 Kf8 34.Qc4 Qh2 35.Kf1 Qh1 36.Kf2 Rh2 37.Ke3 d5–+) 33...Kf7 34.Qf5 Bf6 (better 34...Kg7 35.h4 Qg6 36.Qg6 Kg6 37.Nc3–+) 35.Qd5 Ke7 36.Qe4 Kf8 (better 36...Ne5 37.fe5 Qh2 38.Kf1 Be5 39.Nf4–+) 37.h4 (37.Qa8 Kg7 38.Qb7 Kg8 39.Qd5 Rf7 40.Qc4–+) 37...Bh4 (better 37...Nb6 38.Qc6 Bd8 39.Nc3–+) 38.Qf5 (38.Qc4 Bg3! 39.Ng3 Qh2 40.Kf1 Qg3–+) 38...Bf6 39.Qc8 Kf7 40.Qd7 (40.Qb7 Be7 41.Qd5 Qe6–+) 40...Be7 41.Qf5 Bf6 (better 41...Kg7 42.Qh7 Qh7–+) 42.Qd7 Kg6 43.Qg4 Kf7 (43...Bg5 44.Qe6 Kg7 45.Qc4 Qh1 46.Kf2 Rh2 47.Ke3 d5–+) 44.Qd7= ½–½. MARYMARY – routermeister (1855), ChessWorld.net, 2013.

5.ab4 Ra1 6.Ba1 Qb4 7.Bc3 Qc4-+ 8.e3 Qc5 9.Nf3 Qb6 10.Bd3 Nf6 11.0-0 d6 12.Na3 (12.Bf6 gf6 13.Nc3 Bg4-/+) 12...Qc7 (12...e5 13.Qa4-+) 13.Nc4 (13.Bf6 gf6 14.Qc2-/+) 13...e6 (13...b5 14.Nb2-+) 14.Qc1? (14.Ba5 Qe7 15.Nb6 Bd7=+) 14...Be7 (14...b5 15.Na3 e5 16.Nb5 cb5 17.Be5 Qc1 18.Rc1-/+) 15.Qc2? (15.Ba5 b6 16.Nb6 Nbd7 17.Nc8 Qc8=+) 15...0-0 (15...b5!? 16.Nb2-+) 16.Bf6 Bf6 17.Bh7 Kh8 18.Bd3 Nd7 19.Be2 Ne5 (19...b5 20.Nb2-/+) 20.Nce5=+ Be5 (20...de5 21.Qe4=+) 21.d4 Bf6 22.Nd2 (22.Qe4 Qa5=+) 22...Qe7 23.Qe4 (23.Ne4 e5 24.Nf6 Qf6 25.de5 de5=+) 23...Qd7 (23...d5 24.Qc2-/+) 24.Qg4 g6 25.Qh3 Kg7 26.Bd3 (26.Qg3!?=+) 26...Rh8 (26...e5 27.Qg3-+) 27.Qg3-/+ d5 (27...e5-/+) 28.e4? (28.Nf3 Qe7=+) 28...Be7 (28...de4 29.Ne4 Bd4 30.Ng5-+) 29.ed5? (better 29.e5!?=+) 29...Qd5-+ (29...cd5?! 30.Nf3-/+) 30.Qg4 (30.Ne4 f5 31.Qc7 Qd8 (31...fe4?! 32.Qe7 Kh6 33.Qf6=) 32.Qe5 Kf7-+) 30...Qd6 (30...Rh4!? 31.Qe2 Rd4 32.Nc4-+) 31.Qe4?? (better 31.Nf3 e5 32.Qe4 ed4 33.Rc1-+) 31…Qh2 0-1. fishissushi (1945) - Zacek (1930), Rated Bullet game, lichess.org, 2020.

5.ab4 Ra1 6.Ba1 Qb4 7.Bc3 Qc4 8.e3 Qe6 9.Nf3 d5 10.d4 Nf6 11.Bd3 g6 12.Qc2 Bg7 13.0-0 0-0 14.Ne5 (14.Nbd2 b6-/+) 14...Nbd7 15.f4 (15.Nf3 Ne4-+) 15...Ne5 16.fe5 (16.de5 Ng4 17.Bd4 b5-+) 16...Ne4! 17.Be4 de4 18.Qe4 Qd5 (18...f6 19.Nd2-+) 19.Qd3 (19.Qd5 cd5 20.Bb4 Bh6=+) 19...Bf5 (19...Be5 20.Bb4-+) 20.Qd2 (20.Qe2 c5-/+) 20...Ra8 (better 20...Bh6 21.Bb2 Rd8-+) 21.h3?? (21.Bb4 Qb3 22.Qc3 Qc3 23.Nc3 Kf8-/+) 21...e6 (21...Ra2 22.e4 Be4-+ (22...Rd2?! 23.ed5 Rd3 24.dc6 bc6 25.Kf2-+)) 22.g4 (22.Qf2 c5 23.Nd2 cd4 24.Bd4 Kh8-/+ (24...Be5?! 25.Be5 Qe5 26.e4=)) 22...Be4 (better 22...Ra2 23.Bb2 Qb3-+) 23.Bb4?? (better 23.Qf2 Qd7 24.Bb4-/+) 23...Bf8 (better 23...Ra2 24.Rf2 Rd2 25.Nd2 Bh6-+) 24.Bf8? (better 24.Nc3 Bb4 25.Qf2=) 24...Kf8?? (better 24...Ra2 25.Nc3 Rd2 26.Nd5 Rg2 (26...Kf8?! 27.Nf4-/+) 27.Kh1 cd5-+ (27...Kf8?! 28.Nf6 Rg4 29.Kh2 Rg2 30.Kh1 Rf2 31.Kg1 Rf1 32.Kf1 Bd3 33.Ke1-/+)) 25.Nc3+- Qc4 (25...Qa5 26.Ne4 Qd2 27.Nd2+-) 26.Ne4 Ra2 27.Qe1 Qc2 28.Qf2 (28.Rf2!? Qa4 29.Ra2 Qa2+-) 28...Qf2 29.Rf2 Ra3 (29...Rf2 30.Kf2 h6 31.Ke2+-) 30.Rf3 (30.Ng5 h6 31.Nf7 Re3 32.Nd6 Kg8 33.Nb7 Rh3+-) 30...h6 (30...b6 31.Ng5 Ke8 32.Nf7+- (worse 32.Rf7 h6+-)) 31.Kg2 (31.Nd6 f5 32.ef6 b5+-) 31...Ke7 (31...Ra7 32.g5 h5 33.Nd6+-) 32.Nc5 (better 32.g5!? hg5 33.Ng5 Ke8+-) 32...b6 (32...Ra7 33.Rf2+-) 33.Ne4 c5 (33...Ra2 34.Kg3 Ra7 35.Nd6+-) 34.dc5 bc5 35.Nc5 (35.Nd6 Kd7+-) 35...Ra5 36.Ne4 (36.Nd3!? Ra4+-) 36...Re5 37.Nf2 (37.Nf6 h5+-) 37...h5 38.gh5 Rh5 39.e4 Rh8 (39...Ra5 40.Rb3+-) 40.Ng4 (40.e5 Ra8+-) 40...Rd8 (40...f5 41.ef5 ef5 42.Ne3+-) 41.Nf6 (41.Ne5 Rd2 42.Kg3 Re2+-) 41...Rf8 (41...Rd2 42.Kg3+-) 42.Kg3 (42.e5 Rd8+-) 42...Ra8 43.Nh7?? (43.e5 Ra5 44.Re3 Re5 45.Re5 Kf6+-) 43...Ra5?? (better 43...Rh8 44.Ng5 f6+=) 44.Ng5?? (better 44.Rb3+-) 44...Rg5-/+ 45.Kf4 Rh5 46.Rg3 (46.Kg4 Rb5-/+) 46...Rh4-+ 47.Kf3 (better 47.Ke5-+) 47...Rh5 (better 47...Kd6!? 48.Ke3-+) 48.Ke3 (48.Kf4 Kf6 49.Rf3-/+) 48...Ra5 49.Kf4 Kf6 50.Rc3 e5 51.Kg4 Ra6 (51...Ra4 52.Rc6 Kg7 53.Kf3-+) 52.Rf3 (52.h4 Ra4 53.Kf3 Ra1 54.Rc6 Ke7-/+) 52...Kg7-+ 53.h4 (53.Re3 Ra1-/+) 53...Rd6 (53...Ra4 54.Re3 f5 55.Kf3 Re4 56.Re4 fe4 57.Ke4-+) 54.h5-/+ gh5 55.Kg5 (55.Kh5 Rd4 56.Re3 Kf6-/+) 55...Rg6 (55...Rh6!? 56.Kh4-+) 56.Kh5-/+ f6 57.Rh3 Rg5 (57...Rg1 58.Rb3-/+) 58.Kh4 Kg6 59.Re3 Rh5 60.Kg4 Rg5 61.Kh4 Rg1 62.Kh3 Kg5 (better 62...f5!?-+) 63.Rg3-/+ Rg3 64.Kg3 Kg6 65.Kf3?? (65.Kg4 Kf7 66.Kf3 Ke7-/+) 65...Kg7 (65...Kh5 66.Kg3 Kg5-+) 66.Ke3?? (better 66.Kg3-/+) 66…Kf7 0-1. diotarolo (2030) - gus_fring (2350), Rated Bullet game, lichess.org, 2014.

5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.Qc2 Na6 9.e3 (9.e4 Nf6+/–) 9...Nf6 10.Ba6 Ra6 11.Nf3 g6 (11...d6 12.0-0+/–) 12.b5 cb5 13.Qb2 Bg7 14.Qb5 0-0 15.0-0 Nd5 16.d4 Nc7 (16...d6 17.cd6 Rd6 18.Nbd2+/–) 17.Qb2 Ne6 (17...d6!? 18.Rc1 Nd5+–) 18.Nc3+– Nd8 (18...Nc7 19.Ra1 Rc6 20.Ne5 Be5 21.de5 Rc5 22.Ne4+–) 19.Nd5 Nc6 20.Ne5 Be5 (20...Kh8 21.Nc6 Rc6 22.Ne7 Rc5 23.Rc1+–) 21.de5 Ra5 22.Qc3 Ra6 23.f4 Rd8 24.e4 Ra4 25.f5 Re4 (25...Ra6 26.f6 Re8 27.fe7 Ne7 28.Qf3+–) 26.fg6 fg6 27.Ne7!! Ne7 28.Qf3 (28...Re5 29.Qf7 Kh8 30.Qf6 Kg8 31.Qe5+–) 1–0. marekt – darkestknightmare, ChessWorld.net, 2003.

5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.Qc2 d6 9.d4 +/–.

5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.e3 d5 9.Qc2 Nf6 10.Nf3 e6 11.d4 b5 12.Qb2 Ra7 13.Nc3 Be7 14.Nb5 (14.Bd3!?+–) 14...cb5+/– 15.Bb5 Bd7 16.Bd3 Ne4 17.Ne5 f6 (17...0-0 18.b5+/–) 18.Nd7+– Kd7 19.f3 Ng5 20.0-0 Rc8 21.f4 Ne4 22.f5 Nc6 (22...Ke8 23.Be4 de4 24.fe6+–) 23.fe6 Ke6 24.Be4 de4 25.Qb3 (25.b5 Kd7+–) 25...Kd7 26.b5 Ke8 (26...Nd8+–) 27.Qg8 Bf8 28.Qh7 (28.bc6!? Rc6 29.Qh7 Ke7+–) 28...Ne7 29.Qe4 Kf7 30.Qc2 Rb7 31.Qc4 Ke8 32.e4 Rcb8 33.e5 Rb5 34.ef6 gf6 35.Rf6 Rb1 36.Kf2 R8b2 (36...R1b2 37.Ke3 R8b4 38.Qf7 Kd7 39.Qh5+– (39.Qf8 R4b3 40.Kf4 Ng6 41.Rg6 Rf2 42.Ke4 Rf8+/–)) 37.Kg3 Rb3 38.Kg4 (38...R1b2 39.g3+–) 1–0. pierre (2145) – thotares (1655), internet, 2007.

5.c5 Qa5?? 6.ab4+/– Qb4?? 7.Ra8+– Qb2 8.Rb8 Kd8 9.Rc8! (9.Rc8 Kc8 10.Nc3+–) (32.) 1–0. Kienholz – Luckhaus, 2.Wuerzburg–Open, 1986.

6.ab4?? Ra1-/+ 7.Ba1 Qb4 8.Nf3 Qc5 9.e3 e6 10.Be2 Nf6 11.0-0 Be7 12.Nc3 0-0 13.Qb1 b5 14.Bb2 d5 15.Rc1 Qd6 16.d4 Nbd7 17.Qc2 Nb6 18.Ra1 Nc4 19.Bc1 Bb7 20.Nd2 Ra8 (20...e5 21.Nc4 dc4 22.Ba3-+) 21.Ra8 Ba8 22.Qa2 (22.e4 e5 23.Nf3 ed4 24.Bc4 Qc5-+ (24...dc3?! 25.e5 Qb4 26.ef6 Bf6 27.Bd3=+)) 22...Qb8 23.Bd3 Nd2 24.Bd2 Nd7 (24...Bd6 25.f4-+) 25.Qb1 Nb6 (25...h6!?-+) 26.Bh7-/+ Kf8 27.Be1? (better 27.Bd3!?-/+) 27...g6-+ 28.Bg6 fg6 29.Qg6 Qe8 (better 29...Qd6!?-+) 30.Qe6 (30.Qh6 Kg8 31.Nb5 cb5 32.Qe6 Kg7 33.Qb6 Qc6=+) 30...Qf7 (30...Nc4-/+) 31.Qg4? (31.Qh6!? Kg8 32.Nb5=+) 31...Nc4 (31...b4 32.Ne2 b3 33.Ba5-+) 32.Qg3 (better 32.Qc8 Qe8 33.Qf5 Kg7 34.Qg4 Qg6 35.Qc8=+) 32...Bb7?? (better 32...Bd6 33.Qg4 b4-+) 33.Qb8+- Qe8 34.Qb7 Nd6 (34...Bd6 35.Qh7+/-) 35.Qc7+- Nf5 (35...b4 36.Ne2 b3 37.Bc3+-) 36.Qf4 Qf7 37.g4 (better 37.Na2!?+-) 37...Nh4+/- 38.Qh6 (38.Qc7 Nf3 39.Kf1 Qg6 40.Qf4 Qf7 41.Qb8 Kg7+/-) 38...Qg7 39.Qf4 Bf6?? (39...Qf7 40.Qc7 Nf3 41.Kf1 Qg6+/-) 40.Ne2 Kg8 41.Ng3 (better 41.f3+-) 41...Qh7?? (41...Be7 42.Nf5 Nf5 43.Qf5+-) 42.Nh5 (42.Qf6 Qb1 43.Qh4 Qe1 44.Kg2 Qb4+-) 42...Qg6?? (42...Be7 43.Nf6 Bf6 44.Qf6 Qb1 45.Qh4 Qe1 46.Kg2 Qc3+-) 43.Nf6 Kg7 44.g5 Nf3 45.Qf3 Qg5 46.Qg3 (better 46.Ng4 Qg6+-) 46...Qg3 (46...Kf6 47.Qg5 Kg5 48.f3+-) 47.hg3 Kf6 48.Bd2 Ke6 49.Kg2 Kd6 50.Kf3 (50.Bb4 Ke6+-) 50...Ke6 (50...c5 51.dc5 Kc5 52.g4+-) 51.Ke2 (51.e4 de4 52.Ke4 Kd6+-) 51...Kd6 52.Bb4 Kd7 53.Bc5 Kd8 (53...Ke6+-) 54.Bb4 Ke8?? (54...Kd7 55.g4 Ke8+-) 55.g4+- Kd8 56.f4 Ke8 57.f5 Kd8 (57...Kf7 58.g5+-) 58.f6 (better 58.g5 c5 59.dc5+-) 58...Ke8 59.g5 (59.g5 Kf7 60.Kf3+-) 1-0. ClayPigeons (2105) - uurkmlztrk (2050), Rated Bullet game, lichess.org, 2021.

6.e3 Qa5 7.ab4+– Qa1 8.Ba1 Ra1 9.Qb3 Ra8 (9...d6 10.Qb2 Ra8 11.d4+–) 10.Nf3 e6 11.d4 Be7 12.Bd3 f5 (12...Nf6 13.Na3+–) 13.Ne5 Nf6 14.0-0 Ng4 (14...Nd5 15.Nc3+–) 15.Nc4 0-0 (15...Na6+–) 16.Nb6 Ra1 17.Nc8 Bh4 (17...Rc8 18.Bf5 Nf6 19.Be6 Kh8+–) 18.Nd6 Kh8 19.h3 (19.b5 Be7+–) 19...Nf6 (19...Bf2 20.Rf2 Nf2 21.Kf2+–) 20.Nc3 White intends b5 (20.Nd2 Rf1 21.Kf1 Nd5+–) 20...Rf1 21.Bf1 Ne4 (21...Bg5 22.b5+–) 22.Nce4 fe4 23.Ne4 Na6 (23...Be7 24.Qa4+–) 24.b5 cb5 (24...Nc7 25.bc6 bc6 26.Qb7+–) 25.Qb5 Nc7 (25...Nb8 26.Qb7 Rd8 27.g3+–) 26.Qd7 Nd5 27.Qe6 Nf6 28.Nd6 Nh5 29.Nf7 Kg8 30.Nh6 (30.Nh6 Kh8 31.Qg8 Rg8 32.Nf7) 1–0. pcmvr – pwillows, net–chess.com, 2018.

6.e3 Qc5?? 7.ab4 Qa7 8.Ra7 Ra7 9.Nf3 +–.

6.e3 Qc5?? 7.ab4+– Qb4 8.Ra8 Qb2 9.Rb8 Kd8 10.Nc3 d5 (10...e5+–) 11.Qa4 Qc1 12.Ke2 e5 13.Rc8! Kc8 14.Qa8 Kc7 15.Qf8 d4 16.Qf7 Kb6 17.Nd1 Nf6 18.Nf3 de3 19.Qg7 e4 20.Ne3 ef3 21.Kf3 Rf8 (21...Re8 22.Qf6 Qc5 23.Qb2 Kc7+–) 22.Qf8 Nd5 23.Qd8 Ka7 24.Qa5 Kb8 25.Nd5 cd5 26.Qd5 Qd1 27.Kf4 Qc1 28.Qb7! Kb7 29.Ba6! Ka6 30.Rc1 h5 31.d4 Kb5 32.d5 1–0. Kazimierski,Tomasz – Capanera, playchess.de, 2001.

6.e4 Qa4 7.ab4 Qd1 8.Kd1 Ra1 9.Ba1 Na6 +=.

6.e4 Qc5 7.ab4 Qb4 8.Ra8 Qb2 9.Rb8 +–.

7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 d6 +=.

7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 Na6 10.Bc3 =.

7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 Nf6 10.Bc4 (10.b5 Ne4 11.d4 d6=) 10...d5 (10...Na6 11.Bc3=) 11.cd6 (11.Bd3 Na6 12.Bc3 Ne4=) 11...ed6 12.Bf6 gf6 13.b5 d5 14.Ba2 (14.Bd3 h5=) 14...Bf5 (14...Rg8 15.g3=) 15.bc6 bc6 16.Ne2 Bd6 17.Nbc3 Rg8 18.0-0 (18.Ng3 Bg6=) 18...Nd7 (18...h5 19.Bb1 Bg4 20.d4=) 19.Ra1 Ke7 (Better is 19...h6!?+=) 20.Nd4+/– (20...Bg6 21.Nc6 Kf8 22.Bd5+–) 1–0. Bonetti,Shane – oldmaestro (1690), ICC, 2002.

7.Qa4 Ra4 8.ab4 Rb4 9.Bc3 Rb1 10.Rb1 +/–.

7.ab4 Qa1? 8.Ba1+– Ra1 9.Qb3 Na6 10.Qb2 Ra4 11.Ba6 Ra6 12.Ne2 Nf6 13.Nec3 e6 14.Na3 b5 15.Nc2 Be7 16.0-0 0-0 17.Ra1 Bb7 18.Ra6 Ba6 19.f3 Bb7 20.Ne4 Ne4+/– 21.fe4 Ra8 22.d4 d6 23.Ne1 dc5 24.dc5 Bf6 25.e5 Bg5 26.Kf2 h5 27.Nd3 Rd8 28.Nf4 Bc8 29.Ke2 h4+/– 30.h3 f6 31.Nd3 Rd5 32.ef6 Bf6 33.Qa3 Bd7 34.Qa7 e5 35.e4 Rd4 36.Qb8 Kh7+= 37.Nf2 Be6 38.Qe8+/– Bc4 39.Kf3+– Rd2 40.Qc6?? Rb2 41.Ng4?? Be2–/+ 42.Ke3? Bg4?? 43.hg4+/– Bg5 44.Kd3 Rd2? 45.Kc3+– Rg2 46.Qb5 Bd2 47.Kb3 Rg4 48.c6 Rg3 49.Ka4 Rg1?? 50.c7 Ra1 51.Kb3 Rc1 52.Qe5 Bh6 53.c8Q! Rc8 54.Qf5 Kh8 55.Qc8 Kh7 56.b5 h3 57.b6 h2 58.Qh3 h1Q 59.Qh1 (59...Kg6 60.Qg2 Kh7 61.Qh2 Kh8 62.b7 Kh7 63.b8Q Kg6 64.Qe8 Kh7 65.Qd6 Be3 66.Qdg6#) 1–0. uno (1830) – CSKA_Apeldoorn (1890), ICC, 2003.

7.ab4 Qd1 8.Kd1 Ra1 9.Ba1 d5 10.Nf3 Bg4 11.h3 Bf3 12.gf3 Nf6 13.Nc3 e5 14.Na4 Nbd7 15.d4 ed4 16.Bd4 Be7 17.Rg1 0-0 18.Kc2 Ra8 19.Kb3 g6 20.Bd3 Bd8 21.b5 Nf8 22.Nb6 Bb6 23.cb6 N6d7 24.bc6 bc6 25.Rc1 c5 26.Bc5 Ne6 27.Kb4 Rb8 28.Bb5 Nb6 29.Bd6 Rd8 30.Be7 Rb8 31.Ka5 Nc8 32.Bf6 Nd6 33.Bd3 Ne8 34.Be5 Ra8 35.Kb6 Ng5 36.Kb7 Rd8 37.f4 Nh3 38.Rc2 Ng1 39.Bb5 Nf3 40.Rc6 h5 41.Bc3 Rd7 42.Kb6 Rd6 43.Kc5 Rc6 44.Bc6 Nc7 45.Kd6 Ne6 46.Bd5 Nh4 47.Be6 fe6 48.Ke6 Nf3 49.Bf6 h4 50.Bh4 Nh4 51.Kf6 Kh7 52.e4 Nf3 53.e5 Nd4 54.e6 Nf5 55.e7 Nd6 56.Ke6 Ne8 57.Kf7 Nd6 58.Kf8 Kh6 59.e8Q Ne8 60.Ke8 Kh5 61.Kf7 Kg4 ½–½. Tendulkar – "Morozevich", ICC, 1999.

7.ab4 Qd1!? 8.Kd1 Ra1 9.Ba1 d6 =.

7.Qc1 Na6 8.d4 (8.Qc4 d5 9.cd6 A) < 9...ed6 10.ab4 d5 11.Qc3+/- (< 11.Ra4 dc4 12.Nf3 b5-/+); B) 9...Be6 10.d7 Kd8=) 8...e5 (8...b5!?=+) 9.ab4= Qb4 10.Bc3 Qb3 11.Nd2 (11.Nf3 d6 12.cd6 Bd6 13.de5 Bc7+=) 11...Qd5 (11...Qe6 12.Ngf3 ed4 13.Nd4=) 12.Ngf3 ed4 13.ed4 (13.Bd4 Qe6+=) 13...Qe6 (13...d6 14.Bc4 Qf5 15.Nb3=) 14.Be2 (14.Kd1 Qf5=) 14...Ne7 15.Nc4 (15.Ng5 Qd5 16.Nc4 Nf5=) 15...Nd5 16.0-0 (16.Ng5 Qf5 17.Bd2 Be7=) 16...Be7 (better is 16...b5!? 17.Ne3 Nc3 18.Qc3 Be7=) 17.Re1+= 0-0 18.Bd3 Qg4 19.Ne3 (19.h3!? Qh5 20.Nb6 Nb6 21.Re5+=) 19...Ne3= 20.Qe3 (< 20.fe3 d6=+) 20...Bf6 (20...Re8 21.Ne5 Qh5 22.Be2+/-) 21.h3 (21.Ne5 Qh4+=) 21...Qh5 22.Qf4 Nc5? (better is 22...d5+=) 23.dc5+- (23.Ra8 Nd3 24.Qg3 Ne1 25.Be1 Qf5-+) 23...Bc3 24.Ra8 Be1 25.Ne1 Qc5 26.Qc7 Qc1 27.Kf1 (better is 27.Qc8 Qe1 28.Kh2 Qe5 29.g3+-) 27...Re8+/- 28.Qe5 Kf8? (better is 28...Rf8+/-) 29.Qd6+- Kg8 30.Qe7!! Rf8 31.Bh7! Kh7 32.Qf8 Qc4 33.Kg1 Qe2 34.Nf3 (34...Qc4 35.Rc8 Qc1 36.Kh2 Qf4 37.Kh1 Qc1 38.Ng1+-; 34.Rc8?! Qe1 35.Kh2 Qf2+-) 1-0. Lewis,MA - Jenks,Chris, Dorset Congress, 2001.

7.Qc1 b3 8.Nf3 =.

6.ab4 Qd6 7.Ra8 Nf6 8.Nf3 Qc7 9.Nc3 (9.b5 cb5 10.Nc3 Nc6 11.Nb5 Qd8+-) 9...d6 (9...b5 10.Qa1 e5 11.Qa5+-) 10.b5 g6 (10...Nbd7 11.e4+-) 11.Ne4! Bg7 (11...Ne4 12.Bh8 Pinning (12.Bh8 Deflection; 12.Bh8 Clearance)) 12.Nf6 ef6 13.e3 (better 13.b6 Qb6 14.Rb8 0-0+-) 13...Bg4 14.Be2 0-0 15.0-0 cb5 16.Qb3 Be6 (16...Nd7 17.Rf8 Bf8 18.Rc1+-) 17.Qb5 Nc6 (17...Bd7 18.Qb4+-) 18.Rf8 Kf8 19.Nd4 (19.Ra1 Qb8+-) 19...Bd7 20.Nc6 (20.Qd5 Nd4 21.Qd4 Bc6+-) 20...Bc6 21.Qb3 (21.Qb4 Kg8+-) 21...Qd7 (21...Qa5 22.Bc4+-) 22.Bf3 1-0. ClayPigeons (2175) - baschrady (2115), Rated Bullet game, lichess.org, 2021.

7.Ra8 Qd6 8.Nf3 f5 9.Be5 (9.Be5 Qe6 10.Qa4+–) 1–0. mrchessplayer – jelquez, net–chess.com, 2019.

7.Ra8 Qd6 8.Nf3 f6 9.e3 Qc7 10.Ra1 d5 11.d4 Bf5 12.Bd3 Bg6 13.0-0 Nh6 14.Be2 Bf7 15.Nbd2 g6 16.Nb3 Nf5 17.Nc5 Nd6 18.Qb3 1–0. Majdziuk – Dulias, Poland 1978.

7.Ra8 Kd8 8.Ba3 (better 8.Bc3 Qc5 9.Qb3 Kc7+-) 8...Qf4 9.Nh3 Qc7 10.Qb3 d5 11.f4 (11.Ng5 Nh6+-) 11...Na6 (11...f6 12.Nc3+-) 12.g3 (12.e4 b5+-) 12...Nf6 13.Nf2 e6 14.Bf8 Rf8 15.d3 (15.e3 c5+-) 15...Re8 (15...Nd7 16.Qa3+-) 16.Nd2 (16.e4 Nd7 17.Qb2 Qb6+-) 16...e5 (16...b5 17.Qa3 Qb7 18.Qd6 Nd7 19.Nf3+-) 17.Bh3 (17.fe5 Nd7+-) 17...Ke7 (17...Nd7 18.Bd7 Kd7 19.Qc3+-) 18.Rc8 Rc8 19.Bc8 Qc8 20.fe5 Nd7 21.d4 Nf8 22.0-0 Ne6 23.e3 Nac7 24.Nd3 (24.Qb1 h6+-) 24...Nb5 25.Nf4 Ng5 (25...Nf4 26.Rf4 (worse 26.gf4 Qg4 27.Kh1 Qe2 28.Qb4 Ke8+-) 26...h6 27.Qb4 Ke8 28.Qb1+-) 26.Qd3 (26.Nd5 Ke8+-) 26...g6 (26...Qd7 27.Ra1+-) 27.h4 (better 27.Nd5 Kf8+-) 27...Nh3 28.Kg2 Nf4 29.ef4 (29.gf4?! Qg4 30.Kf2 Qh4 31.Ke2 Qg4 32.Nf3 Qg2 33.Rf2 Qh1+-) 29...Qa8 30.f5 Qa2 (30...Qa3 31.f6 Kd7 32.Qa3 Na3 33.Nb3+-) 31.Rf2 (better 31.fg6 hg6 32.Qe3 Nc7+-) 31...Qa1 (31...Qa3 32.Nb3 Ke8 33.e6+-) 32.Nf3 (32.fg6 hg6 33.Qf3 Kd8 34.Qf7 Qa3+-) 32...Nc3 (32...Qc3 33.f6 Ke8 34.Qc3 Nc3+-) 33.fg6 Ne4 (33...fg6 34.Ng5 Kd7 35.e6 Kc7+-) 34.gh7 Nf2 35.Kf2 Qa8 36.Qf5 Qh8 37.Qf6! Qf6 38.ef6 Ke6 39.h8Q Kf5 (39...Kd7 40.Qb8 Ke6 41.Qe8 Kf6 42.Ng5 Kf5 43.Qf7 Kg4 44.Qf3) 40.Ke3 (40.g4 Kg4 41.Qc8 Kh5 42.Ne5 Kh4 43.Qg4) 40...Kg4 (40...c5 41.g4! Kg4 42.Qc8 Kg3 43.Qg8 Kh3 44.Kf4 cd4 45.Qg3) 41.Qg7 (41.Qc8 Kg3 42.Qg8 Kh3 43.Kf4 c5 44.Qg3) 41...Kh3 (41...Kf5 42.Ne5 c5 43.g4 Ke6 44.Qf7 Kd6 45.Qe7) 42.Kf4 (42.Kf2 c5 43.Qg5 cd4 44.Qf5) 42...c5 (42...Kg2 43.Qh7 Kf2 44.Qc2 Kf1 45.Ke3 c5 46.Qe2) 43.dc5 (43.Qf7 Kg2 44.Qe6 Kf2 45.Qe1 Kg2 46.Qe2 Kh3 47.Ng5) 43...d4 (43...Kg2 44.Qf7 Kf1 45.Qe7 Kf2 46.Qe1 Kg2 47.Qe2 Kh3 48.Ng5) 44.Nd4 (44.Ne1 b5 45.Qg4 Kh2 46.Qe2 Kh3 47.Qg2) 44...b5 (44...b6 45.Qg4 Kg2 46.Qe2 Kh3 47.Qf1 Kh2 48.Nf3) 45.cb6 (45.Qg4 Kg2 46.Qe2 Kh3 47.Qf1 Kh2 48.Nf3) 45...Kh2 46.b7 (46.Qg4 Kg2 47.Qe2 Kh3 48.Qf1 Kh2 49.Nf3) 46...Kh3 (46...Kh1 47.Qg4 Kg2 48.Qe2 Kh3 49.Qf1 Kh2 50.Nf3) 47.b8Q Kh2 (47...Kg2 48.Qb2 Kg1 49.Qg4 Kf1 50.Qd1) 48.Qc8 (48.Qb2 Kg1 49.Qg4 Kf1 50.Qd1) 48...Kg2 (48...Kg1 49.Qc2 Kf1 50.Qg4 Ke1 51.Qge2) 49.Nf5 (49.Qc2 Kf1 50.Qg4 Ke1 51.Qge2) 49...Kf2 (49...Kf1 50.Kf3 Kg1 51.Qc2 Kf1 52.Qd1) 50.Qg4 Ke1 (50...Kg1 51.Qe2 Kh1 52.Qc1) 51.Qf3 Kd2 52.Qcc3 1-0. zembelek (2050) - 147a (2075), Rated Blitz game, lichess.org, 2013.

7.Bc3 Ra1 8.Bb4 Nf6 9.Bc3 Ra8 10.e3 e6 11.Nf3 Be7 12.Be2 0-0 13.0-0 d5 14.Qb3 b5 (14...Ne4 15.Bb2+-) 15.Ne5 Bd7 (15...Ne4 16.d4+-) 16.Bf3 (16.Rc1 Bd6+-) 16...Rc8 17.Qb2 Be8 18.Ng4 Ng4 (18...Nbd7 19.Nf6 Nf6 20.d3+-) 19.Bg4 Bf8 20.Rc1 (20.d4 Nd7+-) 20...c5 21.Be5 (21.Bf3 Bc6+-) 21...Na6 (21...Nd7 22.Bf4 c4 23.Be2+- (23.Qb5? Nc5 24.Qb2 Nd3-+)) 22.Nc3 b4 (22...c4 23.Rb1+-) 23.Ne2 (23.Nd5 ed5 24.Bc8 Rc8+-) 23...c4 24.Nd4 (24.Ra1!? Rc6+-) 24...Nc5+/- Black plans b3 25.Be2 (25.Qb4 Nd3 26.Qb1 Ne5 27.Ne6 Ng4 (27...fe6?! 28.Be6 Bf7 29.Bc8 Rc8 30.Qb7=) 28.Nf8 Kf8 29.Qh7 Nf6 30.Qh8 Ng8-/+) 25...b3 26.Nf3 (better 26.Rb1!?+/-) 26...Ra2= 27.Qc3?? (27.Qd4 f6 28.Bf6 gf6 29.Qg4 Bg7 30.d4-+) 27...Ne4-+ 28.Qd4 (28.Qb3 cb3 29.Rc8-+) 28...Bc5 29.Rc4 (29.Qb2 Rb2 30.Bb2-+) 29...dc4 (better 29...b2 30.Qb2 Rb2 31.Bb2 dc4 32.Bc4 Be3 33.fe3 Rc4-+) 30.Qe4= b2 31.Bb2 (31.Bf1 Rb8 32.Bb2 Rbb2 33.Qc4 Bf8=+) 31...Rb2 32.h4? (32.Bf1 Be7=+) 32...Bf8?? (better 32...c3 33.Bd3 cd2 34.Qh7 Kf8 35.Nd2 Rd2-+) 33.Bc4=+ Rb4 (33...Bc6 34.Qd4 Rb1 35.Kh2 Bf3 36.gf3=) 34.d3 Rb1 (34...Bd6 35.Nd2=) 35.Kh2 Bd6 36.g3 (36.Ne5 h6+=) 36...Bc6 37.Qg4 Rb2 (37...Kf8 38.Kh3=) 38.Kg2 1-0. dale70 (2030) - bjoern (2160), Rated Blitz game, lichess.org, 2014.

9.Ra8 d5 10.Ra3 Nf6 11.Rc3 (11.Rb3 Qa1+-) 11...e6 (11...Ne4 12.Rb3 Qf6 13.Rf3+-) 12.Rc2 Qb6 (12...Qb4 13.Nf3+-) 13.e3 (13.Nf3 Bb4+-) 13...Ne4 (13...e5 14.Ra2+-) 14.d3 (14.Nc3 e5+-) 14...Bb4 15.Nd2 (better 15.Ke2 Nd6 16.Nf3+-) 15...Nd2+/- 16.Rd2 Qa5 (16...e5 17.Be2+/-) 17.Nf3 Ke7 18.Be2 Bd7 (18...e5!?+/-) 19.0-0+- Bd2 20.Qd2?? (20.Nd2 b6+-) 20...Qc7? (better 20...Qd2 21.Nd2 Ra8+=) 21.Rc1 Qd6 (21...e5 22.Qb4 Ke8 23.Qb3+-) 22.d4 (22.Qb2 f6+-) 22...Ra8 23.Ne5 (23.Qc2 g6+-) 23...f6 24.Nd7 Qd7 25.Qb2 Kf7 26.Qb4 (26.Qb6 e5+-) 26...b5 27.Qc5 Rc8? (better 27...e5+-) 28.Bb5! Rc7 (28...cb5 29.Qc8 Pinning (29.Qc8 Deflection)) 29.Bc6 Qe7 (29...Qc6 30.Qc6 Rc6 31.Rc6+-) 30.Qb6 (30.Be8 Ke8 31.Qc7 Qc7 32.Rc7 Kf8+-) 30...Qd8 (30...Ra7 31.Qb8 Kg6 32.e4 de4 33.Be4 f5 34.Bc6+-) 31.Rc2 (31.Be8! Qe8 32.Rc7 Kg6+-) 31...Rc8 (31...Rd7 32.Qc5 Re7+-) 32.h3 (better 32.Qb7 Kg6 33.Be8 Qe8 34.Rc8+-) 32…Qb6-+ (32...Qb6 33.Rc1 Rc6-+) 0-1. diotarolo (2035) - gus_fring (2340), Rated Bullet game, lichess.org, 2014.

9.Ra8 e5 10.e3 Nf6 (10...d5 11.Nf3+-) 11.Be2 (11.Nf3 Ng4+-) 11...d5 12.Nf3 Bd6 13.0-0 Ke7 14.Qc1 (14.Nc3 Re8+-) 14...Qb6? (better 14...Qc1 15.Rc1 Re8+-) 15.Nc3 h6 (15...Qc7 16.h3+-) 16.Qa1 (16.Nb5 cb5 17.Rc8 Rc8 18.Qc8 Qc7+-) 16...Rd8 17.Rb1 Qc7 18.Ra7 (18.Rc1 Bg4 19.Rd8 Qd8+-) 18...g5? (18...e4 19.Nd4 Bh2 20.Kh1 Be5+-) 19.h3 (19.Rc1 Qb6+-) 19...e4 20.Nd4 h5 Black intends g4 (20...Bc5 21.Ra4+-) 21.Qa5 (21.Ba6 Rd7+-) 21...Qa5 22.Ra5 (better 22.Nc6 Kd7 23.Na5 Bc5+-) 22...g4 23.hg4 hg4 24.Ra7 Rd7 (24...Ke8 25.Na4 Bb8 26.Ra8+-) 25.Nf5 Ke6 26.Nd6 Kd6 27.d3 ed3 28.Bd3 Kc7 (28...Ke5 29.Ra8 Rc7 30.f4 gf3 31.gf3+-) 29.Bf5 Re7 30.Bc8 Kc8 31.Na4 Kb8 32.Ra5 (32.Ra6 Rc7+-) 32...Ne4 33.Nc5 Nc5 34.Rc5 g3? (34...Kc7+-) 35.Rc6 gf2 36.Kf2 Rd7 37.Rcb6 Ka7 38.g4 Re7 39.Kf3 Rd7 40.R1b5 d4 (40...Re7 41.Rd6+-) 41.ed4 Rd4 42.Rb7 Ka6 43.R5b6 Ka5 44.Rf6 (44.Rb1 Ka6+-) 44...Rb4 (44...Rd3 45.Ke4 Rg3 46.Kf4+-) 45.Rb4 (45.Rff7 Rc4+-) 45...Kb4 46.Rf7 (46.Rf7 Kc4 47.Rf4 Kc5 48.g5 Kb6 49.g6 Kc6 50.g7 Kb6 51.g8Q Kc6 52.Qe6 Kb5 53.Qd6 Ka5 54.Rf5 Ka4 55.Qb6 Ka3 56.Ra5) 1-0. zembelek (1945) - Porfirios (1960), Rated Blitz game, lichess.org, 2013.

9.Nc3 Qa3 10.Qa4 (better is 10.Na4 Qb4 11.Ra8+–) 10...Qc1?? (10...Qa4 11.Na4 Kc7+–) 11.Nd1 e5 12.Qa5 Ke7 13.Rc8 Nf6 14.Qd8 (14.Qe5) 14...Ke6+– 15.Nf3 e4 16.Ng5 (better is 16.Nd4 Kd5 17.Qa5 Qc5 18.Ne3 Ke5 19.Qc5 Bc5 20.Nc6 dc6 21.Rh8 b5+–) 16...Kf5 17.h4 Bb4–/+ 18.g4 Kg6 19.Ne4 Ne4 20.h5 Kh6 21.Qd7?? Bd2 22.Qd2 Qd2 (22...Nd2 23.f4 f6 24.Rh8–/+) 0–1. Fournier,Frederic (1840) – goyitoGM (1720), Active (3/0), 2005.

9.Nc3 Qa3 10.Na4 Kc7 11.Ra8 Qb4 12.Nf3 b5 13.Nb6 1–0. Muller,H – Brandt,M, OCC, 2002.

9.Nc3 Qa3 10.Na4 Kc7 11.Ra8 b5 12.Nb6! Qc5 (12...Kb6 13.Ra3) 13.Rc8 Kb6 14.Rf8 (14…f6 15.Qb1+–) 1–0. Bonetti,Shane – cerebus2, ICC, 2002.

9.Nc3 e6 10.e3 Bd6 (10...d5 11.Ra8+-) 11.Ra8 Ne7 12.Nf3 Kc7 (12...h6 13.Bd3+-) 13.Qa1 (better 13.Bc4 b5 14.Bb3 Ba3+-) 13...Qa1 14.Ra1 b6 15.Be2 Bb7 16.0-0 c5 (16...Ng6 17.d4+-) 17.Rfb1 Ra8 (17...Kc6 18.Ng5 Bb8 19.Na4+-) 18.Ra8 Ba8 19.Nb5 Kc6 20.d4 (better 20.Ng5!? Nd5 21.Nf7 Be7 22.Ne5 Kb7+-) 20...Nd5 21.Nd6 (21.Ra1 Bb7+-) 21...Kd6 22.e4 (22.Ra1!? Bc6+-) 22...Nb4 23.dc5 bc5 24.e5 Kc7 1-0. zembelek (2095) - SVKir (1935), Rated Blitz game, lichess.org, 2013.

9.Nc3 Nf6 10.Qa4 Qb6+-.

9.Nc3 Nf6 10.Qa4 Qc1 11.Nd1 Kc7 (11...e6 12.Qa5 Ke7 13.Rc8 b6 14.Qb6 Ne4+–) 12.Qa8 1–0. pcmvr – alexp, net–chess.com, 2017.

9.Nc3 Nf6 10.Qa4!? e5 11.Qa5 b6 12.Rb6 Qa3 13.Rb5 Qa5 14.Ra5 e4+-.

9.Nc3 Nf6 10.Ra8 e6 11.Nf3 Bb4 (11...Be7+–) 12.Na4 (12.Ra2 Qc3 13.dc3 Bc3 14.Nd2 Ne4+–) 12...Qa3 (12...Bd2 13.Nd2 Qb4 14.Qc2+–) 13.Nb6 Qa8 14.Na8 Bc5 15.Qb1 (15.Ne5 Ke7+–) 15...Nd5 (15...b5 16.d4 Be7 17.Nb6+–) 16.e4 Nf4 (16...Nb4 17.Ng5 Rf8 18.Qb2+–) 17.d4 (better 17.Qa1 f6 18.Qa5 b6 19.Nb6 Bb6 20.Qb6 Ke7+–) 17...Ba7 (17...Bd6 18.Nb6+–) 18.Qa1 Bb8 19.Qa5 Ke7 20.Qg5 Ke8 21.Qg7 Ng6 22.h4 (22.Nb6 Bd6 23.Nc8 Bf8+–) 22...h5 23.g4! hg4 (23...Rf8+–) 24.h5 gf3 25.hg6 Rh1 (25...Rh7 26.gf7 Ke7 27.f8Q) 26.gf7 Kd8 (26...Ke7 27.f8Q) 27.f8Q 1–0. Lance5500 (2485) – FeegLood (2660), lichess.org, 2015.

9.Nc3 Nf6 10.Nf3 Qa3 11.Ne5+-.

9.e3 Qa1 10.Nc3 Qa7 11.Rc8 Kc8 12.Nf3 +–.

9.e3 Qa1 10.Bc4 +–.

9.e3 Qa2 10.Nc3 Qa7 11.Rc8 Kc8 12.Nf3 (12.Nh3 Kd8+–) 12...e6 (better is 12...Kd8+–) 13.Qa4 (better is 13.Be2!?+–) 13...Qa4+/– 14.Na4 Bb4 (14...b5 15.Nb6 Kc7 16.Nd7 Kd7 17.Ne5 Ke7 18.Nc6 Kf6 19.Bb5+/–) 15.Nb6 (15.Be2 d5+/–) 15...Kc7+= 16.Nc4 Ne7 (16...Nh6 17.Nce5+=) 17.Bd3 (17.Nce5 f6 18.Nd3 Ba5+=) 17...Nd5 (17...b5 18.Nb2+=) 18.Ke2 Ra8 19.Rb1 b5 20.Nce5 f6+= 21.Ng4?? Bd6?? 22.g3?? Ra2 23.e4?? Nb4 24.Ne3 Nd3 25.Kd3 b4 26.Nc4 Be7= 27.Nd4 c5 28.Nb3 d5 29.Nb2 c4 30.Nc4 dc4 31.Kc4 Rc2 32.Kd3 Ra2 33.f4 Kb6 34.Ke3 Bc5 35.d4 Bd6 36.h4 Kb5 37.Nc1 Rg2 38.Kf3 Rh2 39.Nd3 Kc4=+ 40.Nf2 Kd4–/+ 41.Rb3? Kc4–+ 42.Rb2 Kc3?? 43.Nd1+– Kc4 44.Rh2 b3 45.Nb2 Kc3 46.Ke3 Ba3?? 47.Nd1+– Kc4 48.f5 e5 49.g4 h6 50.g5 hg5 51.hg5 fg5 52.Kf3 Kd3 53.Nb2 Bb2? 54.Rb2 Kc3 55.Rg2 b2 56.Rg1 Kc2 57.Kg4 b1Q 58.Rb1 Kb1 59.Kg5 Kc2 60.Kg6 Kd3 61.Kg7 Ke4 62.f6 Kd3 63.f7 e4 64.f8Q e3 65.Qf1 e2 66.Qe1 Ke3 67.Kg6 Kf3 68.Kg5 Ke3 69.Kg4 Kd3 70.Kf3 (70...Kc4 71.Qe2 Kd5 72.Qb5 Ke6 73.Ke4 Kf6 74.Qd7 Kg6 75.Qe7 Kh6 76.Kf5 Kh5 77.Qg5#) 1–0. latmartins (1905) – Sopermi (1925), ajedrez21.com, 2005.

9.e3 Qa2 10.Nf3 Qa7 11.Rc8 Kc8 +–.

9.e3 Qa2 10.Nf3 Kc7 11.Rc8 Kc8 12.Nc3 Qa5 13.Be2 e6 14.0-0 Bb4 15.Qb3 Bc3 16.dc3 (16.Qc3?! Qc3 17.dc3 Nf6+–) 16...h6 (16...Nf6 17.Rb1 b5 18.c4+–) 17.Qb2 (17.Rb1!? b6 18.Rb2 Kd8+–) 17...Nf6 (17...Kc7 18.Ra1 Qb6+–) 18.Ra1 (18.Ra1 Qd8 19.Ra8 Kc7 20.Rd8 Rd8 21.Ne5+–) 1–0. Janek – Bonnie, internet, 2016.

9.e3 Kc7 10.Ra8 +–.

9.e3 Kc7 10.Rc8 Kc8 11.Nf3 d6 (11...Kd8 12.Be2+–) 12.Nc3 (12.Ng5 Nh6+–) 12...Kc7 (12...Kd8+–) 13.Qb1?? (better is 13.Bc4 d5 14.Ne5+–) 13...Qb1+/– 14.Nb1 e5 15.Ng5 (15.Bc4 Nh6+/–) 15...Nh6 16.Be2 Be7 17.Ne4 f5 18.Nec3 e4 19.0-0 Bf6 20.Rc1+= Kd7 21.d4 d5 22.Na4+/– Kd6 23.Nc5 Rb8 24.Nc3 f4 25.Rb1 b6 26.N3a4?? fe3=+ 27.fe3 Bg5 28.Rb3 Be3 29.Re3= bc5 30.dc5 Ke6 31.g4 Nf7 32.Nb6 Ne5 33.Kg2 Rf8 34.h3 g5 35.Ra3 h6 36.Kg3 Ng6 37.Ba6 Ne7 38.Re3 Rf4 39.Nc8 Ng6 40.Nd6+= Ke5 41.Bd3 Nh4 42.Ba6 Kd4=+ 43.Re2 Kc5–/+ 44.Ne8 Rf3 45.Kh2–/+ e3 46.Ng7 Ng6 47.Ne6 Kd6 48.Nd4+= Rf2 49.Rf2 ef2 50.Bf1 c5= 51.Nf5 Ke5 52.Kg3 c4 53.Kf2 h5 54.gh5 Kf5 55.hg6 Kg6 56.Ke3 Kf6 57.Kd4+/– Ke6 58.Bg2+– Kd6 59.Bd5 c3= 60.Be4 Ke6? 61.Kc3?? Ke5 62.Bf3 Kf4 63.Bg4 Kg3?? 64.Kd4 Kf4?? 65.Kd5 Kg3 66.Ke5 Kh4 67.Kf5 Kg3 68.Kg5 Kf2 69.h4 Ke3 70.h5 Kd4 71.h6 Ke5 1–0. Melzig,Ernst – Grueneschild,Hildegard, Bayern–ch Seniors, 2003.

9.e3 e5 10.Nf3 (10.Nc3 d5+–) 10...Nh6 (10...Bb4 11.Ra8 b5 12.Bd3+–) 11.Be2 (11.Ra8!? d5 12.Nc3 Bd6+–) 11...Qa2 12.Ne5 (12.Nc3 Qa7 13.Rc8 Kc8 14.Ne5 g6+–) 12...Bd6 (12...Qa1 13.Nf3+–) 13.Bc4 (13.Rc8 Kc8 14.Nc3 Qa7+–) 13...Qa7 14.Rc8! Kc8 15.Nf7 Nf7 16.Bf7 Rf8 17.Bh5 g6 18.Bf3 Qb8 19.h3 Be5 (19...Qa7 20.0-0+–) 20.d4 Bg7 21.0-0 d5 22.Qc2 Kd8 23.Nd2 Qd6 24.Ra1 1–0. Plantet,Marc (1910) – Hogrel,Nicolas (2090), Montigny le Bretonneux op 1st, 2002.

9.Nf3 e5 +–.

6.ab4 Na6 7.e3 d6 (7...Nf6 8.Nf3 Nd5+=) 8.Ba6 (better 8.b5 cb5 9.Bb5 Bd7 10.cd6 ed6 11.Bd7 Qd7 12.Nf3+-) 8...Ra6= 9.Nc3 Ra1 10.Qa1 (worse 10.Ba1 Nf6=+) 10...dc5 11.bc5 e5 12.Ne4 f5?? (12...f6!?+=) 13.Nd6! Bd6 14.cd6 Qf7? (14...Qd6!? 15.Be5 Qg6+/-) 15.Be5 Nf6 16.Nf3 0-0 17.Ng5 (17.0-0 Qd5+-) 17...Qd5 (17...Qc4 18.h4+/-) 18.0-0 h6 19.Nf3 Qe6 (19...Rd8 20.Bf6 gf6 21.Qf6 Qd6 22.Qb2+-) 20.d4 (better 20.h3!?+-) 20...Ne4+/- 21.Qa3 Rd8 22.Nh4 (22.Qa5 Qd7+/-) 22...g5 (better 22...Nd6 23.Qa5 Nf7+=) 23.f3?? (23.Qa5 Rf8 24.Nf3 Nd6 25.Nd2+/-) 23...Nd2?? (better 23...Nd6 24.Qa5 Nf7 25.Nf5 Qf5-+) 24.Nf5! Nf1 (24...Qf5 25.Qa2 Double attack) 25.Ne7 Kf7 26.Kf1 (26.Kf1 Qc4 27.Kg1+-) 1-0. dale70 (2055) - solvay11 (2085), Rated Blitz game, lichess.org, 2015.

6.ab4 d6?? 7.Ra8+– 1–0. purplegadge (1770) – spargeltarzan (2030), gameknot.com, 2014.

6.ab4 e5 7.Ra8 d5 8.Nf3 e4 (8...f6 9.e4 d4 10.Bc4+–) 9.Be5 Qd8 10.Rb8 ef3 11.gf3 Kd7 (11...Qd7+–) 12.Rc8! Kc8 Decoy to c8 (12...Qc8 13.Bh3 Theme: Double Attack) 13.Bh3 Qd7 14.Bd7 Kd7 15.Qc2 (better 15.Qa4 Ke6 16.Qa8 Ne7+–) 15...Ke6 16.f4 f6 17.Bd4 (17.Bc7 Ne7+–) 17...Ne7 18.Nc3 Nf5 19.Qd3 Be7 20.Rg1 (better 20.e4 Nd4 21.ed5 cd5 22.Qd4 Rd8+–) 20...Ra8 21.Nd1 (better 21.e4 Nd4 22.Rg7 Ra1 23.Nd1 Nc2 24.Qc2 h5+–) 21...g6 22.f3 (22.Qh3 Ra4 23.Bc3 d4+–) 22...Ng7 23.e4 Kf7 24.e5 (better 24.f5 g5+–) 24...Nf5 (24...Ra4 25.Bc3+–) 25.ef6 Bf6 26.Bf6 Kf6 27.Ne3 Re8 28.Kf2 Nh4 29.Ng4 (better 29.Qd4 Ke6 30.Ng4+–) 29...Kg7 30.Ne5 (30.Qd4 Re5 31.Qe5 Kf8 32.Qf6 Ke8 33.Re1 Kd7 34.Re7 Kc8 35.Qf8) 30...Nf5 31.Qf5 Re5 (31...Rf8 32.Qd7 Kg8 33.Ng6 Rf6 34.Ne5 Rg6 35.Rg6 hg6 36.Qf7 Kh8 37.Ng6) 32.fe5 Kh6 (32...b6 33.Qf6 Kg8 34.Ra1 h5 35.Ra8 Kh7 36.Rh8) 33.Qf6 d4 34.Rg3 d3 (34...b6 35.Rh3) 35.Rh3 1–0. BeepBeepImAJeep (2615) – ThePrimeRadiant (2100), lichess.org, 2016.

6.ab4 Nf6?? 7.Ra8+– 1–0. pcmvr – zozo, net–chess.com, 2017.

6.e3 ba3 7.Na3 Ra5 8.Nb5?? cb5–+ (8...Rb5?! 9.Bb5 cb5 10.Qb3–/+) 0–1. tsodikovich (1790) – patgroen (1800), gameknot.com, 2016.

6.e3 ba3 7.Na3 Ra5 8.d4 d6 9.cd6 (9.Bc3 dc5 10.Ba5 Qa5 11.Qd2 Qd2 12.Kd2 Nf6=+) 9...ed6 10.Nf3 (10.Bc3 Ra7=+) 10...d5–/+ 11.Bd3 (11.Qc1 Bf5–/+) 11...Nf6 (11...Bb4 12.Nd2–/+) 12.0-0 Bd6 (12...Bg4 13.Qe2–/+) 13.Re1 (13.Qb3 Bg4 14.Ne5 Nbd7=+) 13...0-0 (13...Bg4 14.h3 Bh5 15.Qe2–/+) 14.Nc2 (14.Qb3 Bg4 15.Ne5 Nbd7–/+) 14...Bg4 15.Be2? (better 15.Ra5!? Qa5 16.Qa1 Qa1 17.Ra1 Bf3 18.gf3–/+) 15...Ra1 16.Ba1 (16.Qa1 Bf3 17.Bf3 Bh2 18.Kh1 Bd6–+) 16...Bf3 17.Bf3 Bh2 18.Kf1 Bd6 19.Qb1 (19.Kg1 Nbd7–+) 19...Nbd7 20.Nb4 (20.Bc3 Ra8–+) 20...Ne4! 21.Be4 de4 22.Bc3 Nf6 23.Rc1 Qb6 (23...Qa5 24.Na2 Qd5 25.Bb4 Bb4 26.Nb4–+) 24.Bd2 (24.Nc2 Qb1 25.Rb1 Nd5–+) 24...Qb5 25.Ke1 Ra8 (25...Qh5 26.Nc2 Qh1 27.Ke2 Qg2 28.Bb4 Bb4 29.Qb4 Qf3 30.Ke1–+) 26.d5? (26.Nc2 Qb1 27.Rb1–+) 26...Bb4 27.Qb4 Qb4 28.Bb4 Nd5 (28...Nd5 29.Bc5 b6–+; 28...cd5?! 29.Rc7–+) 0–1. tsodikovich (1825) – pitagoran (2040), gameknot.com, 2017.

6.e3 ba3 7.Na3 Na6 8.Nc4 d6 9.Nb6 Rb8 10.Nc8 Qc8 11.cd6 ed6 12.Nf3 Nf6 (12...d5 13.Be2=) 13.Bf6 gf6 14.g3 (14.Ba6 ba6 15.Qc2 h6+=) 14...Bg7 (14...d5 15.Be2=) 15.Bg2 (15.d4 b5+=) 15...0-0 16.0-0 d5 ½–½. tsodikovich (1860) – thedjoker (1960), gameknot.com, 2018.

6.e3 ba3 7.Na3 Na6 8.Nc4 d6 9.cd6 ed6=+ 10.Nf3 Be6 11.d4 (11.Be2 Ne7=+) 11...d5 (11...Nf6 12.Qc2–/+) 12.Nce5 (12.Ncd2 Bf5–/+) 12...Nf6 (12...Bb4 13.Nd2–/+) 13.Be2 (13.Ba6 Ra6 14.Ra6 Bb4 15.Ke2 ba6=) 13...Bb4–/+ 14.Nd2 (14.Kf1 0-0–/+) 14...0-0 (14...Ne4 15.Nef3–/+) 15.0-0 Bd6 16.Rc1 (16.Qc2 Nb4 17.Qc3 Qe7–/+) 16...Nd7 (16...Ra7 17.Ra1–/+) 17.Ndf3 Ne5 18.de5 Be7 19.Bd3 (19.Nd4 Nc5–/+ (worse 19...Qe5 20.Nc6 Qc7 21.Ne7 Qe7 22.Bd4=)) 19...Nc5 20.Re1 (20.Bb1 b6–/+) 20...Nd3–+ 21.Qd3 c5 22.Red1 (22.e4 de4 23.Qe4 Ra2–+) 22...Ra2 (22...Qd7 23.Qc2–+) 23.Rc2 (23.Rd2 Rfa8–+) 23...c4 24.Qc3 (24.Bd4 b5–+ (24...cd3?! 25.Rc7 Ba3 26.Rb7=+)) 24...Qa5 (24...b5 25.Ba1 Rfa8 26.Ra2 Ra2 27.Qc1–+) 25.Qa5 Ra5 26.Nd4 Rfa8 (26...Ra2 27.Bc3 Rc2 28.Nc2–+) 27.Kf1 (27.e4 Ra2 28.ed5 Bd5–+) 27...Ba3 (27...Ra2!? 28.Bc3 Rc2 29.Nc2–+) 28.Ba3–/+ Ra3 29.Rb1 Bc8 (29...Ra1 30.Rcc1 R1a7 31.Rb5–/+) 30.Rb6 (30.e4 Ra1 31.Ra1 Ra1 32.Ke2 Bg4 (32...de4?! 33.Rc4 Bg4 34.Ke3=) 33.f3 Be6–/+) 30...R8a6 (30...Kf8 31.Ke2–/+) 31.Ra6 (31.Rd6 Rd6 32.ed6 Ra6–/+) 31...Ra6 (31...ba6 32.Rb2 Ra5 33.Rb8–/+) 32.Ke2 (32.e4 Ra1 33.Ke2 Be6–/+ (33...de4?! 34.Rc4 Bg4 35.Ke3=)) 32...Kf8 33.f3 (33.e4 Be6–/+ (33...de4?! 34.Rc4 Be6 35.Ne6 Re6 36.Re4=)) 33...g6 (33...Be6 34.Kd2–/+) 34.g3 Ke7 35.h4 (35.e4 Be6–/+) 35...Ra5 (35...f6 36.ef6 Kf6 37.Rb2–/+) 36.g4 (36.e4 Bd7 37.ed5 Rd5 38.Rc4 b5 39.Nc6 Bc6 40.Rc6 Re5 41.Kd3 Rd5 42.Ke4 Rh5–/+) 36...Kd7 (36...f6 37.ef6 Kf6 38.Rb2–/+) 37.f4 (37.g5 b6=+) 37...b5 (37...Kc7 38.f5 gf5 39.gf5 b5–/+) 38.Kf3? (better 38.Rb2!? Ke8 39.g5–/+) 38...b4–+ 39.f5 b3 40.Rb2 Ra2 41.e6? (41.Rb1–+) 41...fe6 42.fe6 Kd6 43.Rb1 Be6 44.h5 (44.Kg3 Bd7 45.Nb3 cb3 46.Rb3 Ra4–+) 44...Bf7 (44...gh5!? 45.gh5 Ke5 46.Nc6 Kf6 47.Nd4–+) 45.h6 (45.Nb3 cb3 46.hg6 Bg6 47.Rb3 Be4 48.Kg3 Rg2 49.Kh4 Ke5–+) 45…Kc5 0–1. tsodikovich (1755) – opetuslapsi (1840), gameknot.com, 2018.

6.e3 ba3 7.Na3 Na6 8.Nc4 Nf6 9.Qb1 d5 10.Be5 Qd8 11.Nb6 Ra7 12.Nf3 Bg4 13.Nd4 e6? (better is 13...Nd7 14.Nd7 Bd7+=) 14.Nb5!+– Bc5 (14...cb5) 15.Na7 Qb6 16.Qb6 Bb6 17.Ba6 ba6 18.Ra6 Bc5? (18...Ba7 19.Ra7 0-0+–) 19.Nc6 Kd7 20.Nb8 Ke7 21.f3 Bf5 22.d4 (22.d4 Bd3 23.dc5 Ba6 24.Bd6 (worse is 24.Na6 Ra8 25.Nb4 Ra4+–) 24...Ke8 25.Na6+–) 1–0. forsetinn (2225) – hahaha (1975), gameknot.com, 2014.

6.e3 ba3 7.Na3 Qd8 8.Nc4 Na6 9.Nf3 d6 10.Nb6 Rb8 11.Nc8 Qc8 12.cd6 ed6 13.Be2 Nc5 14.0-0 Nd7 15.Nd4 Ngf6 16.f4 Nc5 17.Qc2 Be7 (17...Qd8!?=) 18.Nf5+/– Bf8 19.Bf6 gf6 20.d4 Nb3? (better is 20...Ne6+/–) 21.Ra7+– (21.Qb3?! Qf5 22.Ra7 Qe6+/–) 21...Qe6 (21...d5 22.Bg4 Nd4 23.ed4 Qc7+–) 22.Rb1 Nd4 23.ed4 (worse is 23.Nd4 Qe3 24.Kh1 Be7 25.Rbb7 0-0+–) 23...Be7 (23...d5 24.Rab7 Rb7 25.Rb7 Rg8 26.Rb8 Kd7+–) 24.Ng7 1–0. forsetinn (2115) – tana9, gameknot.com, 2013.

6.e3 ba3 7.Na3 Qd8 8.Nc4 Na6 9.Nf3 Nf6 10.Nb6 Rb8 11.Qc2 e6 12.Bd4 Be7 13.Rb1 0-0 14.Ng5 g6 15.h4 1–0. forsetinn (1945) – recklessattack (2085), gameknot.com, 2013.

6.e3 b5 7.ab4 Ra1 8.Ba1 Na6 9.Qb3 d6 10.d4 e5 11.Nf3 ed4 (worse is 11...dc5 12.dc5 e4 13.Nd4+/–) 12.ed4 (worse is 12.Nd4 dc5 13.bc5 Nc5–/+; worse is 12.Bd4 Nf6+=) 12...Nf6 13.Nc3 Be7 14.Nb5 cb5 15.Bb5 Kf8 16.Bc4 Qb7 17.b5 Qe4 18.Kd2 Qf4 19.Kd1 Nb8 (19...d5 20.Bd5 Nc7 21.Bc4+= (21.Bf7? Ng4 22.Rf1 Qf7 23.Qf7 Kf7–+)) 20.Re1 Qf5 (20...Ng4 21.Re2 dc5 22.h3+=) 21.c6 d5 22.Bd3 Ne4 (22...Qg4!?=) 23.Be4+= de4 24.Ne5 1–0. forsetinn (2330) – rcm06 (2210), gameknot.com, 2014.

6.e3 b6 7.ab4 Ra1 8.Ba1 bc5 9.bc5 Qa5 10.Bd4 Na6 11.Ba6 Ba6 12.f4 Nf6 13.Nc3 e6 14.Qb1 Be7 15.Qb8 Bd8 16.Qb2 0-0 17.Nf3 Be7 18.Kf2 Qc7 (18...Ra8 19.Ra1 Qd8 20.Bf6 Bf6 21.Ne5=) 19.Ra1 (19.Qb6 Qb6 20.cb6 d6+=) 19...Bd3 (19...Rb8 20.Qc2 Ra8 21.Ra4+=) 20.Qb6+/– Qb6? (better is 20...Qc8+/–) 21.cb6+– Rb8? (21...c5 22.Bf6 gf6+–) 22.b7! Rb7 (22...Bd6 23.Ra8 Ba6 24.Ra6 Rb7 25.Ra8 Rb8 26.Ra7+–) 23.Ra8 Bf8 24.Bc5 d6 (24...h6 25.Rf8 (worse is 25.Bf8 Ne4 26.Ne4 Be4+–) 25...Kh7 26.Rf7+–) 25.Bd6 (25.Bd6 h5 26.Rf8 Kh7 27.Rc8+–) 1–0. forsetinn (2435) – arbab (1925), gameknot.com, 2015.

6.e3 d6 7.ab4 Ra1 8.Ba1 Na6 9.cd6 ed6 10.Ba6 ba6=.

6.e3 d6 7.Nf3 dc5 8.ab4 Ra1 9.Ba1 Nd7 (9...cb4? 10.Be5 Qd8 11.Bb8+–) 10.b5 Ngf6 11.Na3 cb5 (11...Nd5 12.Qb3=+) 12.Nb5 Qb8 13.Qa4 e6 14.g4 (14.Bf6 Nf6 15.Nd6 Ke7 16.Nc8 Qc8=) 14...h6 (14...Nd5 15.Bg2=+) 15.h4 Be7 (15...Nd5 16.Be5 N5b6 17.Bb8 Na4 18.Nd6 Bd6 19.Bd6=+) 16.Na7 (16.Bg2 Rg8=+) 16...Kf8 17.Bb5 Nb6 (17...Kg8 18.d3=+) 18.Qa5 Nbd5 19.Be5 Qa8 20.Qa1 Nb6 (20...Kg8 21.Nc8 Qc8 22.Rg1=+) 21.Ke2 (21.Qa5!? Bd7 22.Bf6 gf6 23.Qb6 Bb5 24.Qb5 Qa7 25.Rg1–/+) 21...Bd7=+ 22.g5 Ne8 (22...hg5 23.hg5 Rh1 24.Qh1=) 23.g6 (23.Qa5 Bd8 24.Rb1 Nd5=+) 23...fg6–/+ 24.Qa5 (24.d4 Bb5 25.Nb5 Qa6–/+) 24...Bb5 (24...Bd8 25.Bd7 Nd7 26.Qa4–/+) 25.Qb5 Nd5 (25...Qa7 26.Ra1 Nc7 27.Ra7 Nb5 28.Rb7=) 26.Ra1 Kf7 27.Bb2 Nec7 28.Ne5 Kg8 29.Qd3 g5 (29...Bf6!?=+) 30.Nb5 Qe8 31.Nc7 Nc7 32.Ra7 Qb8 (32...Bf6 33.Rb7 Nd5 34.Qg6+–) 33.Qg6 (33.Qg6 Qa7 34.Qf7 Kh7 35.Qg6 Kg8 36.Qf7 Kh7 37.Qg6 Kg8=) 1–0. forsetinn (2430) – djinnocide (2285), gameknot.com, 2015.

6.e3 d6 7.Nf3 Nd7 8.ab4= Ra1 9.Ba1 Ngf6 (9...dc5 10.bc5 Nc5 11.Be2=) 10.d4 e6 11.Nbd2 (11.Nc3 b6=) 11...Be7 (11...b6 12.Be2=) 12.Bd3 0-0 13.Qb1 b6 14.cd6 Bd6 (14...Qd6 15.b5=) 15.0-0 h6 (15...Bb7 16.e4 Be7 17.Bc3+=) 16.Rc1 Bb7 17.Nc4 (17.e4 Be7+=) 17...Be7 (17...Ba6 18.Bc3+=) 18.e4+= Ra8 (18...Ba6 19.Nce5 Ne5 20.Ne5 Bd3 21.Qd3+=) 19.Bc3 Ba6 20.Bd2 Bb5 21.Qb3 (21.h3 Qb7+=) 21...Qa7= 22.Bb1 Rd8 (22...Qa4 23.Qd3 Nf8 24.Nfe5+=) 23.Ne3 (23.Qd3 Nf8+=) 23...Nf8 (23...Ra8 24.d5 Ba4 25.Qc4+=) 24.h3 (24.g3 Ng6+=) 24...Rd7 (24...Ng6 25.Nc4+=) 25.Nc4+= Rd8 (25...Ng6 26.Be3 Rd8 27.Nce5 Ne5 28.Ne5+=) 26.Be3 N8d7 (26...Ng6 27.Nce5 Ne5 28.Ne5+=) 27.Nce5 (27.Qd3 Nf8 (worse 27...Bb4 28.e5+–) 28.Qc3 Qa4+=) 27...Ne5 28.Ne5 Qb7 (28...Qa8 29.Qc2+–) 29.Qc2 Bb4 (29...Rc8 30.Nc4 Bb4 31.e5+=) 30.Nc6+– Bc6 31.Qc6 Qc6 32.Rc6 Rb8 (32...b5 33.Kf1+–) 33.Kf1 Kf8 (33...b5 34.Ke2+–) 34.Ke2 (34.Bf4 Rd8 35.Rb6 Bc3+– (35...Rd4?? 36.Rb4 Rd7 37.Ke2+–)) 34...Be7 (34...b5 35.Bd3+–) 35.Kd2 (35.Bf4 Rd8+–) 35...Ke8 (35...b5 36.Kc3+–) 36.Bd3 b5 37.Kc2 (37.Kc1 b4+–) 37...Kd7 (37...b4 38.Bf4 Ra8 39.Kb2+–) 38.Ra6 Rb7 (38...Ne8 39.Ra7 Nc7 40.Bf4+–) 39.Ra5+– Kc6 40.f3 Bd8 (40...g5 41.g4+–) 41.Ra6 Kd7 (41...Kc7 42.Kb3+–) 42.d5! Bc7 (42...ed5 43.e5 Combination) 43.Bc5 1–0. forsetinn (2205) – rlcpw (2035), gameknot.com, 2014.

6.e3 Nf6 7.Nf3 d6 8.ab4 Ra1 9.Ba1 Bg4 10.cd6 ed6 11.Bf6 gf6 12.Nc3 Nd7 13.Qb1 Ne5 14.Nd4 Qd7? (better is 14...d5!?+=) 15.h3 Be6 16.f4 Nc4 17.Ne6 Nd2 18.Ng7! (18.Ng7 Bg7 19.Kd2+–) 1–0. forsetinn (2115) – socializa (1760), gameknot.com, 2013.

6.Nf3 ba3 7.Na3 Na6 8.Nc4 d6 9.Bc3 dc5 10.Ba5 Qb8 11.Nb6 Ra7 12.Nc8 Qc8 13.Bb6 Ra8 14.e3 e6 15.Ba6 Ra6 16.Ra6 ba6 17.Qc2 (17.Qa4 Qb7 18.Qa5 Nf6–/+) 17...Qb7 18.Bc5 Bc5 19.Qc5 Ne7 (19...Qb5 20.Qc2=+) 20.0-0 0-0 21.h3 Rb8 22.Nd4 (22.d4 Qc7=+) 22...Qc7 (22...Qb4 23.Qb4 Rb4 24.Rc1–/+) 23.Rc1=+ Rb6 24.g3 (24.f4 h6=+) 24...h6 (24...e5 25.Nc2–/+) 25.Kf1 (25.f4 Kh7=+) 25...e5 26.Ne2 Rb5 27.Qc4 (27.Qc2 Qd7 28.Kg2 c5–/+) 27...Qd7–+ 28.Kg2 (28.Qh4 c5–+) 28...Qd2 29.Rc2 Qd1 30.Rc1 Qd5 31.Qd5 Rd5 (< 31...cd5 32.Rc7 Nf5 33.Nc3–+; 31...Nd5?! 32.Rc6 Rb2 33.Nc3–/+) 32.Rb1 f5 33.Rb7 Kf7 34.Ra7 Ra5 35.Nc1 Ra3 36.Kf3 Kf6 37.Ke2 e4 38.Kd2 Ng6 39.Kc2 Ne5 40.Kb2 Ra5 41.Kc3 Rc5 42.Kd2 Nf3 (43.Kd1 Ra5–+) 0–1. Maly,Wolfgang – van Unen,Hans, EM/H/001 ICCF Email, 1999.

6.Nf3 Nf6=.

7.Ra8 Qb7 8.Ra2+-.

7.Ra8 Bb7 8.Ra1 (8.Ra7 bc5 9.bc5 Na6+-) 8...bc5 (8...Na6 9.Ba3+-) 9.bc5 d6 10.cd6 ed6 11.Nf3 Nf6 (11...Qb6 12.Nc3+-) 12.Qc2 (12.Bf6!? gf6 13.e3 c5+-) 12...Be7 13.e3 0-0 14.d4 d5 (14...c5 15.Nbd2+-) 15.Bd3 Bd6 16.Nbd2 h6 17.0-0 Nbd7 18.Rfe1 Re8 19.Nf1 (19.Reb1 Ra8+-) 19...Nf8 (19...Ne4 20.Rec1+-) 20.Rec1 Qd7 (20...Ra8 21.Ra8 Ba8 22.Ra1+-) 21.Ba3 Bc7 22.Bc5 Ne6 23.Rcb1 g5 (23...Nc5 24.Qc5 Ra8 25.Ra8 Ba8 26.Ng3+-) 24.Kh1 (better 24.Rb7!? Nc5 25.Rc7 Qc7 26.Qc5 Nd7+-) 24...Bc8 (24...Nc5 25.Qc5 Bc8 26.Qc2+-) 25.Ra7 (25.Bb6 Qd8 26.Qc6 Qd6+-) 25...Qd8 (25...Nc5 26.Qc5 Qd6 27.Qc2+-) 26.Ba3 Ng4 (26...Bb6 27.Ra8 Bc7+-) 27.Qc6 (better 27.h3 Nf6 28.Qc6+-) 27...Nf2 28.Kg1 Nd3 29.Ne5! Ne5 (29...Be5 30.de5 Combination; 29...Ne5 30.de5 Combination) 30.de5 Be5 31.Bc5 (better 31.Bb2 Bb2 32.Rb2+-) 31...Qf6?? (better 31...Nc5!? 32.Qc5 Be6+=) 32.Nd2 (32.Qe8 Kg7 33.Rb6 Kg6+-) 32...Qg6?? (32...Ng7 33.Qd5 Rd8 34.Qa2+/-) 33.Rf1 (better 33.Qe8 Kh7 34.Rf1 Nc5 35.Rff7 Bg7 36.Qc8+-) 33...Qd3?? Black plans d4 (better 33...Ng7 34.Qd5 Qe6+-) 34.Qe8 Kh7 35.Qf7 (35.Rff7 Bg7 36.Qc8 Qc3 37.Qe6 Qc1 38.Nf1 Qb2 39.Qf5 Kg8 40.Rf8 Bf8 41.Qf8) 35...Ng7 36.Nf3 d4 37.ed4 (37.Ng5 hg5 38.Qh5 Kg8 39.Rf8) 37...Qe3 38.Kh1 Bf6 39.Qg7! Bg7 40.Rg7 (40.Bf8 Qe2 41.Re1+- (worse 41.Bg7 Qf1 42.Ng1 Be6 43.Be5 Kg6=+)) 40...Kg7= 41.h3 Kg6 (41...Bb7 42.Re1 Qb3 43.Re7 Kf6 44.Re8=) 42.Nh4 (42.Nh4 gh4 43.Rb1-+) 1-0. ClayPigeons (2145) - DrakasLT (2230), Rated Bullet game, lichess.org, 2021.

7.Ra8 bc5 8.Qa4 cb4 (8...e5 9.bc5 Bc5 10.Qb3+-) 9.Qb4 e6 (9...Na6 10.Qb3 Qd8+-) 10.Qb8 (10.Rb8?! Bb4 11.Rb4 e5+/-) 10...Qb8 11.Rb8 Kd8 12.Bd4 (better 12.e4 d5+-) 12...Bd6 (12...Kc7 13.Ba7+-) 13.Bb6 (better 13.Rc8 Kc8 14.Bg7 Be5 15.Be5 f6+-) 13...Bc7 14.Bc7 Kc7 15.Rb2 Ne7 (15...e5 16.Nf3 d6 17.d4 ed4 18.Nd4+-) 16.Nf3 d5 (16...f6 17.Nc3+-) 17.e3 c5 18.Be2 (18.Rc2 Kb6+-) 18...Bd7 19.0-0 (19.d4 c4+-) 19...Ra8 (19...f6 20.Rc1 Kd6 21.Rb6 Nc6 22.Nc3+-) 20.Nc3 (20.Rc1 Kd6+-) 20...f6 21.Rfb1 Bc6 22.d4 (22.Bb5 Rb8+-) 22...c4 23.Nb5 (23.Kf1 Ra3 24.Rc1 g5+-) 23...Kd7 24.Nd2 (24.Kf1 h5+-) 24...Nc8 (24...Bb5 25.Rb5 Ra2 26.R5b2 Rb2 27.Rb2+-) 25.Nc3 Nd6 26.f3 (26.e4 Ra3 27.Rc1 g5+-) 26...g5 (26...Ra3 27.Rc1+-) 27.Ra2 (27.e4 f5+-) 27...Rc8 (27...Ra2 28.Na2 Nb5 29.Kf2+-) 28.Ra7 Rc7 29.Rba1 Nb7 (29...h5 30.e4+-) 30.Ndb1 (30.e4 f5+-) 30...h5 31.Na3 Kc8 (31...Nd6 32.Rc7 Kc7 33.e4+-) 32.Nab5 Rd7 (32...Kd8 33.Nc7 Kc7 34.e4+-) 33.Bd1 (33.Ra8) 33...h4 (33...Nd8 34.R7a6 Kb7 35.Na7+-) 34.R1a6 (34.Ra8) 34...Bb5 (34...Nd8+-) 35.Nb5 (35.Ra8 Kc7 36.Nb5) 35...Re7 36.Rc6 (36.Ra8 Kd7 37.Ba4 Nd8 38.R6a7 Ke8 39.Nd6 Kf8 40.Rd8 Kg7 41.Re7 Kg6 42.Rg8 Kh6 43.Rh8 Kg6 44.Be8) 36...Kb8 37.Rca6 (37.Ra8 Ka8 38.Rc8) 37...Kc8 38.Ra8 Kd7 39.R6a7 (39.Ba4 Nd8 40.R6a7 Ke8 41.Nd6 Kf8 42.Rd8 Kg7 43.Re7 Kg6 44.Rg8 Kh6 45.Rh8 Kg6 46.Be8) 39...Kc6 (39...h3 40.Rb7 Kc6 41.Re7 Kb5 42.Rb7 Kc6 43.Raa7 e5 44.Ba4 Kd6 45.Rb6) 40.Nc3 (40.Ba4 Rc7 41.Ra6 Kd7 42.Nd6 Rc6 43.R8a7 e5 44.Rb7 Ke6 45.Rc6 ed4 46.Nc4 Kf5 47.Bc2 d3 48.Bd3) 40...Rc7 41.Rb8 (41.Ba4 Kd6 42.Nb5 Kd7 43.Rh8 e5 44.Nc7 Kc7 45.Rh7 Kb8 46.Rhb7 Kc8 47.Bc6 ed4 48.Ra8) 41...Kd6 (41...Kb6 42.Raa8 Re7+-) 42.Rbb7 (42.Nb5 Kc6 43.Nc7 Kc7 44.Rab7 Kd6 45.Rf7 Kc6 46.Ba4 Kd6 47.Rd7) 42...Rc6 43.Ra8 (43.Rd7) 43…Rc7 (43...Rc7 44.Nb5 Kc6 45.Rc7 Kb5 46.Rb7 Kc6 47.Raa7 e5 48.Ba4 Kd6 49.Rb6; 43...e5 44.Rd8 Ke6 45.Re8 Kf5 46.Bc2 e4 47.Ne4 Kg6 48.Nd6 f5 49.Bf5 Kf6 50.Rf8). ClayPigeons (2120) - Paule04 (2045), Rated Bullet game, lichess.org, 2021.

7.Ra8+- bc5 8.bc5!? Na6 9.e3 Nc5+-.

7.Ra8 bc5 8.bc5 Na6 9.e4 Nc5+-.

7.Ra8+– bc5 8.Nf3 Bb7 9.Ra1 (9.Ra4!? cb4 10.Rb4 c5+–) 9...cb4 10.e3 c5 11.Be2 Nf6 12.0-0 g6 (12...Ng4 13.g3+–) 13.d4 (13.Be5 d6 14.Bf6 ef6 15.Bb5 Kd8+–) 13...Bg7 (13...c4 14.Bc1+–) 14.dc5 Qc5 15.Nbd2 0-0 16.Nb3 Qb6 17.Rc1 Nc6 (17...Ne4 18.Nfd4+–) 18.Bd4 (18.Bf6!? Bf6 19.Qd7 Rd8+–) 18...Qd8 (18...Nd4 19.Nfd4 Ne4 20.Nb5+–) 19.Ba1 d6 20.Nbd4 Qa8 21.Nc6 Bc6 22.h3 (22.Bd4 e5 23.Bb2 Bd5+–) 22...Be4 23.Ne1 Bg2 (23...Rb8+–) 24.Bf3 (better 24.Ng2 Rb8 25.Nf4+–) 24...Bf3+– 25.Nf3 Qa2 (25...Qe4 26.Nd4+–) 26.Qd4 (better 26.Nd4+–) 26...Nh5? (better 26...Rb8+–) 27.Qd1?? (better 27.Qb4 Nf6 28.Bf6 Bf6 29.Rc7+–) 27...Ba1?? (27...Nf6 28.Nd4 Re8+–) 28.Ra1+– Qe6 29.Qd4 Qf5? (29...Qh3 30.Nh2+–) 30.Qg4 (30.Kg2 Qc5+–) 30...Qg4 31.hg4 Nf6 32.Nh2 (32.Rfb1 Rb8+–) 32...Ne4? (32...Rb8 33.Rfb1 Nd5 34.g5+–) 33.Kg2 (33.Rfb1!? Rb8 34.Ra4 h5+–) 33...Nd2 (better 33...Rb8!? 34.Rfb1 Nd2+–) 34.Rfd1+– Nb3 (34...Nc4 35.Ra7 Rb8 36.Rc7+–) 35.Rab1 Nc5 36.Rb4 Ne6 (36...Kg7 37.Ra1+–) 37.Re4 (better 37.Rb7 Re8 38.Nf3+–) 37...Nc7 (37...Rc8 38.Nf3+–) 38.Rc4 (better 38.Re7 Nb5 39.Rb7+–) 38...Ne6 39.Rcc1 Ng7 (39...Kg7 40.Nf3+–) 40.f4 Ne6 41.Kf3 Nc5 42.g5 (better 42.Ra1 Kg7+–) 42...Nb3 (42...f6 43.gf6 Rf6 44.Ng4+–) 43.Ng4 (better 43.Rc7 Re8 44.Ng4+–) 43...Nc1 44.Rc1 Kg7 45.Nh6 e5 (45...f6 46.Ke4 Rb8+–) 46.Rc7 ef4 47.ef4 (worse 47.Kf4 d5+–) 47...d5 48.Ke3 d4 49.Kd4 Rd8 50.Ke4 Rd1 (50...Rf8+–) 51.Rf7 Kh8 52.Rd7 (52.Rf8 Kg7 53.Rg8) 52...Re1?? (better 52...Rd7 53.f5 gf5 54.Kf5 Kg7–+) 53.Kf3 (53.Kd5 Re5 54.Kc4 Rc5 55.Kd4 Rc4 56.Ke5 Re4 57.Kd6 Rd4 58.Ke7 Re4 59.Kf8 Re8 60.Kf7 Rb8 61.Ng4 Rc8 62.Nf6 h6 63.Kg6 Rg8 64.Kh5 Rg5 65.fg5 hg5 66.Rh7) 53...Rf1 54.Ke4 The mate threat is Rd8 54...Ra1?? (54...Re1 55.Kd5 Re5 56.Kd4 Re4 57.Kc5 Rc4 58.Kd6 Rd4 59.Ke7 Re4 60.Kf8 Re8 61.Kf7 Rf8 62.Ke6 Re8 63.Re7 Rc8+–) 55.Kd5 (55.Rd8 Kg7 56.Rg8) 55...Rd1 56.Ke6 Re1 57.Kd6 (57.Kf7 Re8 58.Nf5 gf5 59.Ke8 Kg8 60.Rf7 h6 61.gh6 Kh8 62.Rf8 Kh7 63.Kf7 Kh6 64.Rh8) 57...Rd1 (57...Re6 58.Kc7 Rc6 59.Kd8 Rc8 60.Ke7 Re8 61.Kf7 Rf8 62.Ke6 Rc8 63.Nf7 Kg8+–) 58.Ke7 Rc1 (58...Re1 59.Kf7 Re8 60.f5 Rc8 61.Ng4 gf5 62.Nf6 h6 63.g6 Rg8 64.Rd8 Rd8 65.g7) 59.Kf7 (59.Rd8 Kg7 60.Rg8) 59...Rc8+– 60.Ke7 (60.Ng4 Rb8 61.Nf6 h6 62.Kg6 Rg8 63.Kh5 Rg5 64.fg5 hg5 65.Rh7) 60...Rg8?? (60...Rc1 61.Rd8 Kg7 62.Rg8) 61.Nf7 (61.Ng8 Kg8 62.Kf6 h5 63.f5 gf5 64.g6 h4 65.Rd8) 61...Kg7+– 62.Ke6 (62.Ke6 Re8 63.Re7+–; better 62.Nd6!? Kh8+–) 1–0. BeepBeepImAJeep (2600) – karazzweite (1925), lichess.org, 2017.

7.Qc2 Ra1=+ 8.Ba1 bc5 (8...Na6!?=+) 9.bc5= (worse 9.Qc5 Na6 10.Qc4 d5-/+) 9...Nf6 10.e3 (10.Nf3 Na6+=) 10...d6 (10...e5 11.d4=) 11.Nf3 (11.cd6 Qd6 12.Nf3 Nbd7+=) 11...e6 (11...e5 12.cd6 Bd6 13.d4=) 12.cd6 Bd6 13.Be2 (13.Bf6 gf6 14.Nc3 Qa5+=) 13...0-0 (13...Nbd7 14.0-0=) 14.0-0 (14.Bf6 gf6 15.Nc3 Ba6+=) 14...Na6 (14...e5 15.Nc3=) 15.Ba6 (15.Bf6 gf6 16.Qc4 Nb4+/-) 15...Ba6+= 16.Re1 (16.Bf6!? gf6 17.Rc1+=) 16...Nd5 (16...Ng4 17.g3 e5 18.Ng5=+) 17.d4 (17.Ng5 g6= (17...Bh2 18.Kh1 f5 19.Ne6+=)) 17...Nb4 18.Qd2 Nd3 19.Rd1 f6 (19...Ra8 20.e4=+) 20.Nc3 Rb8 21.Qa2 Nb4 (21...Qc8 22.Ne4 Be7 23.Bc3=) 22.Qd2 (better 22.Qe6!? Kh8 23.Ne4+/-) 22...Kf7 (22...Bd3 23.Bb2=+) 23.Ne4= Be7 24.Bc3 Nd3 25.Qa2 Bb5 (25...Qb7 26.Ra1=) 26.Ne1 (26.Qc2 Nb4 27.Bb4 Bb4+=) 26...Nb4 (26...Ne1 27.Be1 Qd7 28.Ra1=) 27.Bb4+= Bb4 28.Nd3 Bd3 29.Rd3 Bd6 30.g3 Be7 31.Qc2 Qb7 32.Rc3 Qb1 33.Qb1 Rb1 34.Kg2 Rb6 35.h4 (35.Nc5 Bd6+=) 35...f5 (35...e5 36.Nc5 Rb5 37.Nb3=) 36.Nc5+= Bc5 37.Rc5 (worse 37.dc5 Rb2=+) 37...Ke7 38.Kf3 Kd6 39.Kf4 (39.Ra5 Rb7+=) 39...h6 (39...Rb2 40.f3=) 40.h5+= Rb2 41.f3 Rh2 42.g4 fg4 43.fg4 Rf2 44.Kg3 Rf1 45.Kg2 (45.Ra5 Rg1 46.Kf3 Rf1 47.Kg2 Rf7+/-) 45...Rf6 (45...Rf7 46.Ra5+=) 46.Kg3 Rf1 47.e4 (47.Ra5 Rg1 48.Kf3 Rf1 49.Kg2 Rf7+/-) 47...Rd1 (47...Rg1 48.Kh3=) 48.Rc4 (48.e5!? Kc7 49.Rc4+=) 48...Rd3 49.Kf4 Rd1 50.Ke3 Re1 51.Kf3 Rf1 52.Kg2 (52.Kg3 Rb1=) 52...Re1 (better 52...Rf4!? 53.Kg3 Re4-/+) 53.Kf3= Rf1 54.Ke2 (54.Kg3 Re1 55.Kf4 Rf1 56.Ke3 Re1 57.Kd3 Rg1 58.e5 Kc7=) 54...Rg1 (54...Rf4 55.Ke3 Rg4 56.e5 Kd7 57.Rc2=+) 55.Kf3 Rf1 56.Kg2 (56.Kg3 Re1 57.Ra4 e5 58.de5 Ke5=) 56...Re1 (better 56...Rf4!? 57.Kg3 Re4-/+) 57.Kf3= Rf1 58.Ke2 (58.Kg3 Re1 59.Ra4 e5 60.de5 Ke5=) 58...Rg1 (58...Rf4 59.Ke3 Rg4 60.e5 Kc7 61.Ra4=) 59.Kf3 Rf1 60.Kg2 (better 60.Kg3!?=) 60...Re1 (better 60...Rf4!? 61.Ra4 Rg4 62.Kf3 Rg5-/+) 61.Kf3= ½-½. upep (2040) - kurzeme (2000), Rated Blitz game, lichess.org, 2013.

6.ab4 Nf6 7.Ra8 d5 8.cd6 (8.Rb8!? Nd7 9.Ra8 e5+-) 8...ed6 (8...Nbd7 9.de7 Be7 10.b5+-) 9.Nf3 (better 9.Bf6 Qf6 10.Rb8 Qd8+-) 9...Qc7 (9...Nbd7 10.b5!+-) 10.d3 (10.Bf6!? gf6 11.b5 Nd7+-) 10...Be7 11.e3 0-0 12.Be2 Bf5 (12...b5 13.Bd4+-) 13.0-0 Re8 (13...Nbd7 14.Ra7+-) 14.Nbd2 d5 (14...Qd7 15.Nd4+-) 15.Nb3 (15.Be5 Bd6 16.Bf6 gf6+-) 15...h6 (15...Nbd7 16.Re8 Ne8 17.Qd2+-) 16.Nbd4 (16.Be5 Bd6 17.Bf6 gf6+-) 16...Bg6 17.Bc3 c5 (17...Bd6 18.Qd2+-) 18.bc5 Bc5 (18...Nbd7 19.Qa4 Bc5 20.Re8 Ne8 21.Rc1+-) 19.Bb2 (19.Qb3 Nfd7+-) 19...b6 (19...Na6 20.Re8 Ne8 21.Qb3+-) 20.Qb3 Rd8 (20...Qd6 21.Rfa1 Nbd7 22.Re8 Ne8 23.Ra8+-) 21.Rfa1 Rd7 (21...Kh7 22.R1a7 Qd6 23.Nb5+-) 22.Nd2 (better 22.Nc6! Qc6 23.Rb8 Bf8+-) 22...Qd6 (22...Rd8 23.R1a7 Qd6 24.Nb5+-) 23.Nb5 Qe7 (23...Qf8 24.Bf6 gf6 25.d4+-) 24.Bf3 (24.Rb8 Rd8 25.Bf6 Qf6 26.Rd8 Qd8+-) 24...Kh7 (24...Rd8 25.R1a7 Qe6 26.Nc7+-) 25.Nd4 (better 25.Rb8 Bf5 26.Raa8 Qe6 27.Bf6 Qf6 28.Bd5 Be6 29.Be6 fe6+-) 25...Bd6 26.Nb5 Be5?? (26...Bc5 27.Rb8 Bf5+-) 27.Be5+- Qe5 28.d4 Qg5 (28...Qe8+-) 29.Rb8 h5 (29...Ne4 30.Be4 Be4 31.Ne4 de4 32.Nc3+-) 30.Raa8 Be4 31.Ne4 de4 32.Be2 (32.Nd6! Rc7 33.h3 Kg6+-) 32...h4 33.h3 Kg6 34.Bg4 (better 34.Rb6 Kh7+-) 34...Rd5 (34...Ng4 35.hg4 Qg4 36.Rb6 Kh7 37.Rbb8+-) 35.Nc7 (better 35.Nc3 Ra5 36.Qb6 Ra8 37.Ra8+-) 35...Ng4 36.Nd5 Nf2 37.Nf4 (37.Qb6 f6 38.Ne7 Kh5 39.Rh8 Qh6 40.Qb5 f5 41.Qf5 g5 42.Qg6) 37...Kf6 38.Kf2 (38.Qb6 Ke7 39.Qd8) 38...Qg3 39.Kf1 g5 (39...Qe3 40.Rb6 Kg5 41.Qd5 f5 42.Qd8 Kf4 43.Qh4) 40.Rb6 Kg7 (40...Ke7 41.Nd5 Kd7 42.Qa4) 41.Ne6! (41.Ne6 fe6 42.Qe6 Qg2 43.Kg2 g4 44.Rb7) 1-0. ClayPigeons (2100) - trialbycombat (2150), Rated Bullet game, lichess.org, 2020.

6.Nf3 d6 7.ab4 Ra1 8.Ba1 Nf6 9.e3 Bg4 10.d4 Nbd7 11.h3 Bf3 12.Qf3 Nd5 13.Bc4 e6 14.Bc3 dc5 15.bc5 b6 16.0-0 bc5 17.dc5 Qc7 18.Bd5 cd5 19.Rc1 f6 20.Bd4 Bc5 21.Nd2 Qb6 22.Bc5 Nc5 23.e4 0-0 24.ed5 Rd8 25.de6 ½–½. pvanr (1890) – damefruta (1995), gameknot.com, 2009.

7.Ba1 e5 8.Be5+= b6?? (better 8...d6 9.Bc3 Nf6+=) 9.Bb8+– bc5 10.bc5 Bc5 11.Bg3 Nf6 12.Nf3 0-0 13.e3 d5 (13...d6 14.d4 Bb4 15.Nbd2+–) 14.Be2 (14.Qc2 Qb6+–) 14...Ne4 15.0-0 f5 (15...Ng3 16.hg3 Bb4 17.Qa4+–) 16.d4 (16.Qc2 Bd7+–) 16...Be7 17.Nfd2 (17.Qc2 Ng3 18.hg3 Rf6+–) 17...Nf6 (17...Ng3 18.hg3 Bb4 19.Qc2+–) 18.Nc3 Be6 19.Nf3 Qe8 (19...Ne4 20.Ne4 fe4 21.Ne5+–) 20.Qb3 Qf7 (20...Ne4+–) 21.Ng5 Qg6 22.Ne6 Re8 23.Nf4 Qf7 24.Rc1 c5 (24...g5 25.Nd3+–) 25.Ncd5 c4 (25...Kh8 26.Qb7 Qf8 27.Ne6+–) 26.Bc4 Kh8 27.Nf6 (better 27.Nc7 Qf8 28.Ne8 Qe8+–) 27...Qf6 28.h4 (better 28.Ne6 Rc8 29.Rc3 Ra8+–) 28...Qh6 (28...Bd6 29.Qb6 Rb8 30.Ng6 hg6 31.Qd6 (31.Bd6?! Rb6 32.Bc5 Rb8=) 31...Qd6 32.Bd6+–) 29.h5 (better 29.Qb5 Rf8 30.Ne6 Rc8+–) 29...g5 30.Nh3 (better 30.Bf7 Qf6 31.Ng6 hg6+–) 30...Qh5 (30...Bf6+–) 31.Be5 (31.Be5 Bf6 32.Bf6) 1–0. BeepBeepImAJeep (2595) – Assassin_in_White (2255), lichess.org, 2016.

7.Ba1 e6 8.e3 Nf6 (8...d6 9.d4=) 9.Nf3 (9.Qf3 d6 10.Bf6 gf6=) 9...b6 (9...b5 10.d4=) 10.Qa4 (10.Bf6 Qf6 11.d4 d6=) 10...d6 (10...b5 11.Qa3=) 11.Bf6 gf6 (11...Qf6? 12.Qa8 (12.cb6?! d5+=) 12...Qd8 13.Qb8 dc5 14.Qa7 cb4 15.Ne5+–) 12.Qa7 Nd7 13.cb6 (13.b5 bc5 14.bc6 Bg7+–) 13...Nb6 (13...Qb6 14.Qb6 Nb6 15.b5 cb5 16.Bb5 Kd8 17.d4=) 14.Nd4 Bd7 15.b5 c5 (15...cb5 16.Bb5 Nc8 17.Qd7 Qd7 18.Ke2+=) 16.Nc6+= Nc8 17.Nd8 Na7. Durez,Cedric (1610) – Mauron,Regis (1780), St Quentin op 5th, 2002.

7.Ba1 e6 8.e4 d6=.

7.Ba1 e6 8.Nf3 Nf6 9.e3 Be7 10.Bc4 0-0 11.0-0 d5 12.Bd3 b6 13.Qc2 bc5 14.bc5 Qa5 15.Be5 (15.Bf6!? Bf6 16.Bh7 Kh8 17.Bd3=) 15...Nbd7=+ c5 draws heavy fire 16.Bd6 (16.Rc1=+) 16...Re8 (better 16...Bd6 17.cd6 Ba6–/+) 17.Ne5?? (17.Nd4 A) 17...Nc5?? 18.Nc6 Qa8 19.Ne7 (19.Be7?! Nd3 20.Bf6 gf6=) 19...Re7 20.Be7 Nd3 21.Qd3+–; B) 17...Bd6 18.cd6 c5–/+) 17...Ne5?? (17...Bd6 18.Nd7 Bh2 (18...Bd7?! 19.cd6 c5 20.Qb2–/+) 19.Kh2 Bd7–+ (19...Nd7?! 20.Bh7 Kf8 21.d4=+)) 18.Be5= Qc5 (18...g6 19.Bd6=) 19.Nc3 (19.Qc5 Bc5 20.Bf6 gf6=) 19...Nd7 (19...Qa5 20.Qb2=+) 20.Bh7= Kh8 21.Bd3?? (better 21.Bd4 Qd6 22.Bd3=) 21...Ne5–+ 22.Be2 d4 23.ed4 Qd4 24.Rb1 (24.Qe4 Rd8 25.Qe3 f6–+) 24...Bc5 (24...f5 25.Qa2–+) 25.Nd1 (25.Ne4 Ba7 26.Kh1 f5–+) 25...Ng6 (better 25...Rd8 26.Rb8–+) 26.Rb8 (26.g3 Rd8–+) 26...Bd7 (better 26...Qe5 27.Ne3 Bd6 28.f4 Nf4 29.Qc6 Ne2 30.Kf2 Qf6 31.Ke2 Ba6 32.Qa6 Bb8 33.Qc6–+) 27.Re8 (27.Rb7 Ne5–+) 27...Be8 28.g3 (28.Qb2 Nf4 29.Bf3 Qb2 30.Nb2 g5–+) 28...Ne5 (28...Bb4 29.Nc3–+) 29.Qa2 (29.Qb2 Qb2 30.Nb2 g5–+) 29...Kg8 30.Qa8 (30.Qb2 Qb2 31.Nb2 Bd4–+) 30...Kf8 31.Qa5 (31.Qb8 Bb4–+) 31...Bb6 (31...Bb4!? 32.Qa6–+) 32.Qa3 Bc5 33.Qa5 f5 (better 33...Bb4!? 34.Qa6–+) 34.Ne3 Kf7 (34...g5 35.Qc3–+) 35.Qc7 (35.f4 Ng6 36.Bh5 Kf6–+) 35...Kf6 (35...Bd7 36.Kf1–+) 36.h4 Qd2 (better 36...Bd7–+) 37.Qd8?? (better 37.Qe5 Ke5 38.Nc4 Kf6 39.Nd2–+) 37...Kf7 (37...Qd8 38.Kf1 Qd2 39.Nd1 Bb4 40.Ne3 Qe1 41.Kg2 Qe2 42.Kg1 Nf3 43.Kg2 Bc5 44.h5 Be3 45.g4 Qf2 46.Kh3 Qh2) 38.Qd2+– 1–0. McGhee (2145) – Brennybhoy (1870), ChessWorld.net, 2008.

7.Ba1 Nf6 8.e3 d5 9.Nf3 g6 10.Be2 Bg7 11.0-0 0-0 12.d4 Nbd7 13.Nbd2 Re8 14.b5 Nb8 15.b6 Nfd7 16.Qa4 e5 17.Rc1 e4 18.Ne1 Nf6 19.Qa7 Nbd7 20.Ba6?? (better 20.Bc3+=) 20...ba6–/+ 21.b7 Qc7 22.bc8Q Qa7 (better 22...Qc8!? 23.Nc2 Qa8–/+) 23.Qc6= Rb8 (23...Re6!? 24.Qa4 h6+=) 24.Bc3+= a5 (24...Re8!?+=) 25.Ra1+– a4? (better 25...Nf8+–) 26.Ra4+– (26.Qa4?! Qc7+–) 26...Qb7 27.Qb7 Rb7 28.c6 Rc7 29.cd7 Nd7 30.Ra8 Bf8 31.Bb2 (31.Bb4 Kg7 32.Bf8 Nf8+–) 31...Kg7 32.f3?? (better 32.Ba3+–) 32...Bb4+– 33.fe4 (better 33.Ne4!? de4 34.d5 Kh6 35.Ra1+–) 33...Bd2= 34.ed5? (better 34.Kf2 de4 35.d5 Kh6 36.Rd8=) 34...Be1–+ 35.e4 (better 35.Ba3–+) 35...Bc3?? (better 35...Rc2 36.Ba3 Bf2 37.Kh1 Re2–+) 36.Bc3?? (36.d6 Rc4 37.Bc3 Rc3 38.Ra7 Rc1 39.Kf2 Rc2 40.Kf3 Rc3 41.Ke2+–) 36...Rc3=+ 37.e5 Nb6 (37...Rc4 38.e6 Nf6 39.Ra7 Rc1 40.Kf2=) 38.Rd8 (better 38.d6!?=+) 38...Rd3 39.e6? (better 39.Rd6!? Rb3 40.Kf2–/+) 39...fe6–+ (39...Rd4? 40.e7 Re4 41.d6+–) 40.de6 Kf6 41.Rd6 Nc8 42.Rd7 Ne7 43.d5 (43.Kf2 Ke6 44.Ke2 Rc3–+) 43...Rd5 (worse 43...Nd5 44.Rh7 Ke6 45.Kf2–+) 44.Ra7 Ke6 45.h3 Kf7 (45...Rd2 46.Ra6 Kf7 47.g4–+) 46.Kh2 Re5 47.Ra3 Re6 48.Rf3 Rf6 49.Rf2 (49.Rd3 h6–+) 49...Kg7 (better 49...Rf2 50.Kg3 Rf1–+) 50.Kg3 Nf5 51.Kh2 Ne3 52.Ra2 Nf1 53.Kg1 Ne3 (53...g5 54.Ra7 Kg6 55.Ra1–+) 54.Kh2 Nf5 (54...g5 55.Re2 Nc4 56.g3–+) 55.Ra7?? (55.Rf2 h5 56.g3–+) 55...Rf7–+ 56.Ra3 Nh6 57.Ra1 Ng8 58.Rf1 (58.g4 Nf6–+) 58...Nf6 (better 58...Rf1 59.Kg3 Nf6–+) 59.Re1 h5 60.Re5 Nh7 61.h4 Nf8 62.Rg5 Rf5 63.Rg6 (63.Rg3–+) 63...Kg6 64.Kh3 Rf4 65.g4 (65.Kg3 Kf5 66.Kh3 Ng6 67.Kg3 Rf1 68.Kh2 Kg4 69.g3 Rf2 70.Kh1 Kg3 71.Kg1 Nh4 72.Kh1 Rf1) 65...Rg4 (65...hg4 66.Kg2 Kh5 67.Kg3 Rf3 68.Kh2 Ng6 69.Kg2 Nf4 70.Kh2 g3 71.Kg1 Rd3 72.Kf1 Rd1) 66.Kh2 Kf5 (66...Kf5 67.Kh1 Ke4 68.Kh2 Kf3 69.Kh3 Ng6 70.Kh2 Kf2 71.Kh3 Rh4) 0–1. BeepBeepImAJeep (2785) – Abdisalimov (2870), lichess.org, 2020.

7.Ba1 Nf6 8.e3 g6 (8...d6 9.Bf6 ef6 10.d4=) 9.Nf3+= Bg7 10.Be2 0-0 11.0-0 d6 12.d4 b6 13.Nc3 bc5 14.dc5 d5 (14...dc5 15.bc5 Qa5 16.Na4=) 15.Nd4 (15.b5 cb5 16.Nb5 Bf5+=) 15...Qc7 16.Na4 (16.Nb3 Qb7 17.b5 cb5 18.Nb5 Rd8+=) 16...e5 17.Nb3 Rd8 18.Na5 (18.f4 Nbd7=) 18...d4 19.ed4 ed4 20.Nb6 (20.Bd4? Ng4 21.Bg4 Rd4–+) 20...Nd5 (20...Bf5 21.Bf3= (21.Bd4? Ng4 22.Bg4 Rd4–+)) 21.Nd5 (21.Bd4? Nf4 (21...Nb4?! 22.Nb3–/+) 22.Bc4 Rd4–+; 21.Nc8?! Qc8 22.Qd2 Qc7+=) 21...Rd5 22.Bc4 Rd8 23.Qf3 Bf5 24.Rd1 h5 (24...Qd7 25.Qg3=) 25.h3 d3 (25...Bc2!? 26.Rd2 Ba4+–) 26.Bg7+– Kg7 27.Bd3 Bd3 28.Rd3 Rd3 29.Qd3 Qe7 30.Qg3 (better 30.Kf1+–) 30...Qe1= 31.Kh2 Nd7?? (better 31...Qb4 32.Qe5 Kf8+=) 32.Nc6+– Nf6 33.b5 Qc1 (33...Nd7 34.Qf4 Qc3 35.Nd8+–) 34.b6 (better 34.Qe5 Qd2 35.b6 Qd7+–) 34...Qc5 35.b7 Ne4 (35...Nd7 36.Ne5!! Qd5 37.Nd7 Qb7 38.Qe5 Kh7 39.Nf6 Kh6+–) 36.b8Q (better 36.Qc7 Qd6 37.Qd6 Nd6 38.b8Q+–) 36...Ng3= 37.fg3 (37.Qb2!? Kg8 38.Qf6=) 37...Qc6=+ 38.Qe5 Qf6 39.Qe2 g5 (better 39...Qe6!? 40.Qb2 f6 41.Qb7 Kh6=+) 40.Qh5+= Qg6 (40...Qe5 41.h4+=) 41.Qg4 (41.Qg6!? fg6 42.Kg1+–) 41...f5 42.Qd4 Kh6 43.h4 gh4? (better 43...Qe6+–) 44.Qh4?? (44.Qh8 Qh7 45.Qh7 Kh7 46.gh4+–) 44...Qh5= 45.Kh3 Kg6 46.Kh2 Qg4 47.Kg1 Qh4 48.gh4 Kh5 49.g3 Kg4 50.Kg2 f4 51.gf4 Kf4 52.Kh3 Kf5 53.Kg3 Kg6 54.Kg4 Kh6 55.Kg3 Kh5 56.Kh3 Kh6 57.Kg4 Kg6 58.h5 Kh6 59.Kh4 Kh7 60.Kg5 Kg7 61.Kf5 Kh7 62.Kg4 Kh6 63.Kh4 Kh7 64.Kg5 Kg7 65.h6 Kh7 66.Kh5 Kh8 67.Kg5 Kg8 68.Kg6 Kh8 69.Kh5 Kh7 70.Kg5 Kh8 71.Kg4 Kg8 72.Kh5 Kh7 73.Kg5 Kh8 74.Kg6 Kg8 75.Kf6 Kh8 76.Kg5 Kh7 77.Kh5 Kh8 78.Kg6 Kg8 79.h7 Kh8 80.Kf7 Kh7 ½–½. BeepBeepImAJeep (2445) – DonFulgencio (2290), lichess.org, 2018.

7.Ba1 Nf6 8.Nf3 e6 9.e3 d5 10.Be2 Be7 11.0-0 0-0 12.d4 b6 13.Nc3 b5 (13...Ba6 14.Ba6 Na6 15.Qa4=) 14.Nd2 (14.Bd3!?+=) 14...Na6 15.Qb1 Qc7 16.e4 (16.Nf3 Bb7=) 16...de4 (16...Qf4!? 17.Rd1 de4 18.Nde4 Nd5 19.Nd5 ed5=) 17.Nde4= Ne4 18.Ne4 Bb7 19.Rd1 Rd8 20.Bc3 Bc8 21.g3 f6 22.Qb2 h6 (22...Qd7 23.Ra1+=) 23.Bd2+= e5 24.Be3 (24.Bc3 ed4 25.Qb3 Kh8 26.Rd4 Rd4 27.Bd4 Bf5=) 24...ed4 (24...f5 25.Nd6 Bd6 26.cd6 Rd6 27.de5 Rd1 28.Bd1+=) 25.Rd4+= Rd4 26.Qd4 Bf5 27.Nd6 Be6 28.Bf4 Qd7 29.h4 Nc7 30.Bf3 Nd5 (30...Bd5 31.Be4 Bd6 32.Bd6=+) 31.Bh5 (31.h5 f5+=) 31...Nf4 (31...Bd6 32.Bd6 Qa7 33.Qe4=) 32.Qf4 Bd5 33.Bg6 Qe6?? (better 33...Bd6 34.Qd6 Qc8+=) 34.Bf7+– Qf7 35.Nf7 Kf7 36.Qc7 g5 (36...h5 37.Qd7+–) 37.h5 Bf3 38.Qd7 Bd5 39.g4 Be4 40.f3 Bd5 41.Kf2 Kf8 42.Qc8 (42.Qf5!? Bf7+–) 42...Kf7 43.Qf5 Kg7 (43...Bf8+–) 44.Qg6 Kf8 45.Qh6 Kg8 (45...Ke8+–) 46.Qg6 Kh8 47.h6 (47.Qe8 Bg8 48.Qe7 f5 49.Qf6 Kh7 50.h6 fg4 51.Qg7) 47...Bf8+– 48.Qf6 Kg8 49.Qg5 Kh7 50.Qf5 Kg8 51.h7 (51.g5 Bg7 52.Qg6 Kf8 53.Qg7 Ke8 54.h7 Bf7 55.h8Q Ke7 56.Qhf8 Ke6 57.Qff7) 51...Kh8 52.Qf8 (52.g5 Bg7 53.g6 Bd4 54.Kg2 Kg7 55.h8Q Kh8 56.Qf8 Bg8 57.Qh6 Bh7 58.Qh7) 52...Kh7 53.Qf5 (53.Qf5 Kg7 54.f4+–; 53.f4 Ba2 54.f5 Bd5 55.f6 Kg6 56.Qg7) 1–0. BeepBeepImAJeep (2750) – wesjuh1991 (2555), lichess.org, 2020.

7.Ba1 Nf6 8.Nf3 g6 (8...d6 9.e3=) 9.e3 Bg7 10.Be2 0-0 11.0-0 d6 12.d4 Bf5 13.Nbd2 Nbd7 14.Bc3 Ne4 (14...Nd5 15.Bb2 N7f6 16.Qb3=) 15.Ne4+= Be4 16.Nd2 Bf5 17.Qb3 Be6 18.Qb2 dc5 19.bc5 Qa8 (19...b6!?+=) 20.Rb1 Re8 21.Qb7 Qb7 22.Rb7 Nc5 23.Rc7 Rc8 (23...Bd5 24.Bb4 (24.dc5?! Bc3 25.e4 Bd2 26.ed5 cd5=+) 24...Ne6 25.Ra7+–) 24.Re7 (24.Rc8 Bc8 25.Bb4 Ba6+–) 24...Na4 25.Bb4 c5 26.dc5 Nc5 27.Nf1 Bf8 28.Ra7 Ne4 29.Bf8 Kf8 30.Bf3 Ng5 31.Ra1 h5 (31...Nf3 32.gf3 Rc7 33.e4+=) 32.Be2 h4 33.h3 Ne4 34.Bd3 Nc5 35.Bc2 Nd7 36.Bd1 Ne5 37.Be2 (37.Nd2 Ke7+=) 37...Rc2 38.Re1 Rb2 39.Nh2 Bc4 (39...Ke7!?+=) 40.Bc4+– Nc4 41.Nf3 Nd2 42.Nh4 Ne4 43.Rf1 Nd2 44.Rd1 Ne4 45.f3 Ng3 46.f4 (46.Kh2 Ne2+–) 46...Rb3 (46...Re2 47.Rd3+–) 47.Re1 (47.Kf2 Ne4 48.Kf3 Nc5+–) 47...Kg7 48.Kh2 (48.Nf3 f5+–) 48...Ne4 (48...Re3!? 49.Re3 Nf1 50.Kg1 Ne3+–) 49.Nf3+– Rb2 50.Kg1 (50.Ng5 Nc3+–) 50...Nc3 51.Rf1 (51.Nd4 Ne4+–) 51...Ne2 (51...Nd5 52.Rf2 Rb1 53.Kh2 Ne3 54.g4+–) 52.Kh2 Nc3 53.Re1 (53.Ne5 Re2+–) 53...Rb3 (53...Ne4 54.Rc1 Rb7+–) 54.e4 Ra3 (54...Rb4!?+–) 55.Ng5 Ra4 56.Rc1 (better 56.e5!?+–) 56...Ne4+– 57.Ne4 Re4 58.Rf1 Re3 59.Rf3 (59.g4!?+–) 59...Rf3= 60.gf3 Kf6 61.Kg3 Kf5 62.h4 f6 63.h5 gh5 64.Kh4 Kf4 65.Kh5 Kf3 66.Kg6 f5 67.Kf5 ½–½. BeepBeepImAJeep (2760) – SmoothAsAHedgehog (2665), lichess.org, 2020.

8.Qa4 b6 9.e3 b5 10.Qa3 d6 11.d4 dc5 (11...e5 12.Nf3=) 12.dc5 Be6?? (12...Nf6!?=) 13.Nf3 (better 13.Qa6 Qc8 14.Qc8 Bc8 15.Bd3+-) 13...Nc7+/- 14.Nd4 Bd5 15.Nd2 (15.Nc3 e5 16.Nd5 Qd5 17.Nc6 Qc6 18.Be5+/-) 15...f5 (better 15...e5 16.N4f3 e4=) 16.Nf5+/- Nf6 17.Bf6 (17.Be5 Qd7+-) 17...ef6 18.Nd4 Be7 19.N2f3 (19.Bd3 Ne6+/-) 19...0-0 20.Bd3 Qd7 (20...Qa8 21.Qb2+/-) 21.0-0 (21.Bf5 Qe8+-) 21...g6 22.Ra1 (22.e4 Ra8 23.Qc3 Bf7+-) 22...Ne6 (22...Ra8 23.Qc3 Ra1 24.Qa1 f5+-) 23.Qa7+- Rd8 (23...Qa7 24.Ra7 Bc5 25.bc5 Nc5 26.Bb1+-) 24.Qd7 Rd7 25.Ra6 (25.Ne6 Be6 26.Be4 Bd5+-) 25...Nd4? (better 25...Bf3 26.Ne6 Be4+/-) 26.Nd4+- (worse 26.ed4 Bf3 27.gf3 Rd4=+) 26...f5 27.f3 (27.Be2 Bf6 28.Nc6 Bc3+-) 27...Bf6 (27...Kf7 28.Rc6 Bc6 29.Nc6+-) 28.Nc6 (28.Nb5 Be5 29.Na7 Bc3 30.Nc6 Bc6 31.Bc4 Kg7 32.Rc6 Bb4+/-) 28...Bc3 (28...Bc6 29.Rc6 Rd3 30.Rf6 Rb3+-) 29.Bb5 Bc6 30.Rc6 (30.Bc6?! Rd1 31.Kf2 Bb4 32.Ra8 Kg7 33.Ra7 Kh6+/-) 30...Rd1 31.Kf2 Bb4 32.Bc4 Kg7 33.Rc7 Kh6 34.c6 Rc1 (34...Rd2 35.Be2 Rc2 36.g3+-) 35.Bd5 (35.Bg8 Rc2 36.Kf1 g5 37.Bh7 Ba5+-) 35...Rc2 36.Kf1 Rc1 (36...Bd6 37.Rd7 Bh2 38.Bg8+-) 37.Ke2 Rc2 38.Kf1?? (better 38.Kd3 Rd2 39.Kc4+-) 38...Rc1= 39.Kf2 Rc2 40.Kg3?? (better 40.Kg1 Rc1 41.Kf2=) 40...Bd6-+ 41.f4 (41.Kh3 Bc7 42.e4-+) 41...Bc7 42.Kf3 Kg7 43.h3 h5 (43...Rc5 44.e4-+) 44.g4 (44.g3 Rc5 45.e4 Rc3 46.Kf2 fe4 47.Be4 h4 48.gh4 Rh3-+) 44...hg4 45.hg4 Kf6 46.g5 Ke7 47.e4 Rc3 48.Ke2 (48.Kf2 Bf4 49.ef5 gf5-+) 48...Bf4 49.ef5 gf5 50.g6 Kf6 51.Bf7 (51.Bf3 Kg6 52.Bh1 Kf6-+) 51...Rc6 52.Kf3 (52.Bd5 Rc2 53.Kf3 Be5-+) 52...Bg5 53.Kf2 Bh6 (53...Rc2 54.Kf3-+) 54.Kf3 (54.Ke2 f4-+) 54...Bg7 (better 54...Rc3 55.Ke2 f4-+) 55.Kf4 (55.Ke3 Ke5 56.Ke2 Ke4-+) 55...Rb6 (55...Rc3 56.Bd5 Bh6) 56.Be8 (56.Kf3 Ke5-+) 56...Rb4 (56...Rb3 57.Bc6 Bh6) 57.Kf3-+ Ke5 Black prepares f4 58.Bf7 f4 59.Kg4 Ra4 60.Be8 (60.Kf3 Ra3 61.Kf2 f3-+) 60...Ra3 61.Bc6 (61.Kh4 Bf6 62.Kg4 Rg3 63.Kh5 f3 64.g7 Kf4 65.g8Q Rg8 66.Bf7 Rg5 67.Kh6 Rc5 68.Be6 Bg5 69.Kg6 Rc6 70.Kf7 Kg3 71.Bd7 Rc5 72.Ke6 f2 73.Bc6 f1Q 74.Kd6 Qf8 75.Kc7 Qe8 76.Kb6 Qc6 77.Ka7 Ra5 78.Kb8 Bf4) 61...Kf6 (61...Rg3 62.Kh4 Kf5 63.Bd7 Kg6 64.Be8 Kh6 65.Bc6 Bf6) 62.Be4 (62.Kf4 Kg6 63.Bd5 Ra4 64.Be4 Kf6-+) 62...Bh6 63.Bf3 (63.Kh4 Bg5 64.Kg4 Rg3 65.Kh5 Kg7-+) 63...Kg6 64.Be4 Kf6 65.Bf3 Bg5 66.Be4 Rg3 67.Kh5 f3 68.Bf3 Rh3 (68...Rf3 69.Kg4 Rd3 70.Kh5 Be3 71.Kg4 Bc1 72.Kh5 Kf5 73.Kh4 Bg5 74.Kh5 Rh3) 69.Kg4 Rh4 70.Kg3 Rf4 71.Bg4 Ra4 72.Bd7 Ra3 73.Kf2 Ra2 74.Kf3 Ra3 75.Ke4?? (75.Kf2 Ke5 76.Bc6-+) 75...Ra4 (better 75...Re3 76.Kd4 Re1-+) 76.Ba4= ½-½. zembelek (2040) - kurzeme (2020), Rated Blitz game, lichess.org, 2014.

8.Qa4 b6 9.e3 b5 10.Qb3 d6 11.d4 Be6 12.Qb2 dc5 (12...Nf6 13.Nc3=) 13.dc5 Nf6 14.Nf3 (14.Nc3 Nd5 15.Nd5 Bd5+=) 14...g6 (better 14...Nd5!? 15.Nd4 Ndb4 16.Ne6 fe6=+) 15.Nc3+= Bg7 (15...Nc7 16.Nd4 Qd7 17.Nf3+=) 16.Nb5+/- 0-0 (16...Bd5 17.Nbd4 Nb8 18.Be2+/-) 17.Nbd4 Nc7 (17...Qa8 18.Ne6 fe6 19.Bc4+-) 18.Be2 (18.Nc6!? Qe8 19.b5 Bd7+-) 18...Nfd5 19.0-0 (19.Ne6?! Ne6 20.Ne5 Qc7=) 19...Qb8 20.Nc6 (better 20.b5 cb5 21.Bb5+/-) 20...Bb2= 21.Nb8 Ba1 22.Nc6 Bc3 (better 22...Ra8=+) 23.e4?? (better 23.b5 Bd7 24.Na7=) 23...Nb4-+ 24.Ne7 (24.Nb4 Bb4 25.c6 Ra8-+) 24...Kg7 25.Rc1 (25.Ng5 Rd8 26.Ne6 fe6-+) 25...Bf6 26.Nd5 Ncd5 27.ed5 Bd5 28.Ne1 (28.Rb1 Na2-+) 28...Nc6 (28...Rc8 29.Bg4 Rc6 30.Bf3-+) 29.Bf3 (29.Nc2 Rb8 30.Ne3 Be4-+) 29...Bf3 30.Nf3 Rd8 31.g3 Bd4 (better 31...Rd5 32.Kf1-+) 32.Nd4 Rd4 (worse 32...Nd4 33.Rc4 Kf6 34.Ra4-+) 33.Kg2 f5 34.Kf3 Kf6 35.Ke3 Re4 (35...Ke5 36.Rb1-+) 36.Kd3 Ke5 37.f3 Rd4 38.Ke3 Kd5 39.Rb1 Rb4 40.Rc1 (40.Rb4 Nb4 41.g4 Nc2 (worse 41...Kc5 42.gf5 g5 43.Ke4-+) 42.Kf4 Nd4-+ (42...Kc5?! 43.gf5 gf5 44.Kf5=)) 40...Rb3 41.Kf4 (41.Kf2 Ne5 42.Kg2 Rb2 43.Kf1 Nd3-+) 41...h6 42.g4 (42.Rd1 Nd4 43.Rd4 Kd4-+) 42...Rb4 (better 42...Nd4 43.gf5 Ne2 44.Kg4 gf5 45.Kf5 Rf3 46.Kg6 Nc1-+) 43.Kg3 f4 44.Kh4 (44.Kh3 Ne5 45.c6 Nc6 46.Rd1 Rd4-+) 44...Ne5 45.Rc3 (45.Kh3 Nf3 46.Kg2 Ne5-+) 45...Rc4 (better 45...Rb2 46.Kh3 Nf7-+) 46.Rc4 Kc4 (46...Nc4 47.g5 Ne5 48.gh6-/+; worse 46...Nf3 47.Kh3 Ng5 48.Kg2 Kc4 49.c6-+) 47.g5 (47.c6 Nf3 48.Kh3 Ng5 49.Kg2 Ne6-+) 47...h5 48.h3 (48.Kh3-+) Kc5 (48...Nf3) ½-½. zembelek (2040) - kurzeme (2020), Rated Blitz game, lichess.org, 2014.

8.Qa4 Nf6 9.Bf6 gf6 10.e3 b5 11.Qa3 e6 12.Nc3 f5 13.d4 Bg7 14.Nf3 h6 15.Be2 Bf6 16.e4 fe4 17.Ne4 h5 (better is 17...Be7!?+/–) 18.Nd6+– Ke7 19.Ne5 Be5 20.de5 Qg8 21.0-0 Nc7 22.f4 Nd5 23.f5 f6 24.ef6 Nf6 25.Qb2 Qg5 26.Qe5 Rg8 27.Bf3 (27.Nc8?! Kd8 28.Qg3 Qg3 29.hg3 Kc8 30.fe6 Nd5 31.Bh5 Rd8 32.ed7 Kc7+–) 27...h4 28.h3 Qg3 29.Re1?? (better is 29.Qa1+–) 29...Qf3+= 30.Nc8 Kd8 31.Qf6 Kc8 32.Qb2 Qf5 (32...ef5?? 33.Re8 Re8 34.gf3+–) 33.Rf1 0–1. Kleinke,Uwe – Lueth,Jochen, Mecklenburg VP LL2, 2006.

8.Qb3 b5 9.e3 d6 10.d4 d5 11.Nc3 Nc7 12.Nf3 e6 13.Be2 Bd7 14.0-0 Ne7 15.Ne5 f6 16.Nd7 Qd7 17.e4 g6 18.Bb2 Bg7 19.Bc1 0-0 20.f4 de4 21.Be3 f5 22.Rd1 Ned5 0–1. Schiller,W – Butze,R, corr 1975.

8.Qb3 d6 9.d4 d5 (9...Nf6 10.e3=) 10.Nf3 Nf6 11.e3 Ne4 12.Be2 Nb8 13.0-0 Nd7 14.Nbd2 Ndf6 15.b5 Qa5 (better is 15...Bg4!? 16.Bd3 e6+/–) 16.bc6+– Nd2 (16...bc6 17.Ne4 Ne4+–) 17.Nd2?? (better is 17.cb7 Bb7 18.Qb7 Nf3 19.gf3+–) 17...bc6+/– 18.Qb8 Qd8 19.Rb1 Nd7? (better is 19...Bf5 20.Qd8 Kd8+/–) 20.Qa7 (20.Qa8 e6 21.Bc3 Ke7+–) 20...f6 21.Bc3 Kf7 22.Ba5 Qe8 23.Qa8 Nc5 24.dc5 e6 25.Rb8 Bc5 26.Bc7 Qd7 27.Qa5 Be7 28.Nf3 e5 29.h3 Bd8 30.Bd8 Rd8 31.Nd2 Re8 32.Nb3 Re7 33.Nc5 Qc7 34.Qa8 Re8 35.Ba6 Bd7 36.Nd7 Qd7 37.Re8 Qe8 38.Bb7 Qa8 39.Ba8 d4 40.Bc6 Ke6 41.ed4 ed4 42.Kf1 h5 43.Ke2 h4 44.Kf3 Ke5 45.Bb5 f5 46.Bd3 g5 47.g3 hg3 48.fg3 Kf6 49.h4?? gh4+/– 50.gh4 Kg6 51.Kg3 ½–½. Stolzenwald,Karl Heinz – Bingel,Ottfried, Bad Woerishofen op1, 2006.

8.Qb3 d6 9.e3 b5 10.cb6 Qb6 11.b5 Nc5 12.Bd4 Nb3 13.Bb6 cb5 14.Bb5 Bd7 15.Bc4 Nc5 16.Nc3 e6 17.d4 Na4 18.Na4 Ba4 19.Nf3 Nf6 20.0-0 Nd5 21.Ba5 Be7 22.e4 Nf6 23.e5 de5 24.Ra1 Bd7 25.de5 Nd5 26.Bd5 ed5 27.Bb4 Bd8 28.Nd4 g5 29.Ra8 1–0. Rook,Detlef (2250) – Def,Persey (1875), RA–2009–0-00059, 2009.

8.Qb3 d6 9.e3 e5 10.d4 Nc7 11.Nf3 e4 12.Nfd2 Nf6 13.Nc3 d5 14.b5 Be7 15.bc6 bc6 16.Qb6 Qd7 17.Be2 0-0 18.0-0 Bd8 19.Qa7 Qf5 20.Rb1 Ne6 21.Qa4 Bd7 22.Rb7 Bc7 23.h3 Qg5 24.Nb3 Nh5 25.Ra7 Nhf4 (26.ef4 Nf4+–; 25...Nf6!?=). Bringsken,Peter (1930) – Schuster,Peter (2340), BdF, 2004.

8.Qb3 e6 9.e3 b6 10.Ba6 Ba6 11.Qa3 Bb5 12.cb6 Qb6 13.Qa8 Qd8 14.Qd8 Kd8 15.Nc3 Bd3 16.Nce2 Nf6 17.Nf4 Bc4 18.Bc3 Kc7 19.Ngh3 h6 20.d3 Ba6 21.0-0 d6 22.Ra1 Kb7 23.Rd1 e5 24.Ne2 Nd5 25.e4 Nb6 26.f4 f6 27.Kf2 Na4 28.d4?? Be2–+ 29.Rc1 Nc3 30.Rc3 Bb5 31.d5 Be7 32.g4 Ra8 33.fe5 de5 (34.dc6 Bc6–+) 0–1. Rempe,Torge – Schulze,Thimo Sebastian, Schleswig Holstein–chA U16, 2000.

8.Bc3 b6 9.cb6 (9.d4!?=) 9...Qb6=+ 10.Qa4 Nf6 (10...e6 11.Na3=+) 11.Nf3 (11.Qa5 Qb7=) 11...Nd5 The pressure on the isolated pawn grows 12.Qa5 Qb8 13.e4 Ndb4 14.Na3 (14.Bc4 Nc2 15.Ke2 Ncb4=) 14...e6 15.Be2 Be7 (15...Qf4 16.Qe5 Qg4 17.Bb4–/+) 16.0-0=+ White gets the initiative 16...0-0 17.Rb1 c5 18.Ba6 Ba6 (better 18...Qa8!? 19.d4 Qa6 20.Qa6 Na6 21.dc5 Nc5–/+) 19.Bb4+= cb4 (19...Bd3 20.Bc5 Bb1 21.Be7=) 20.Qa6+– Qc7? (better 20...Qf4 21.Nc2 Qe4+–) 21.Nc4+– Rb8 22.Ne3 b3 23.h3 b2 24.Qd3 Qc1 25.Kh2 d6 26.Qc2 (better 26.Nc4+–) 26...Rc8?? (better 26...Qc2 27.Nc2 d5 28.ed5 ed5+–) 27.Qb2+– Qc7 28.d4 (28.Qb6 Bd8 29.Qc7 Bc7+– (29...Rc7?? 30.Rb8 Rd7 31.Nc4+–)) 28...Qd8 (28...d5 29.e5+–) 29.e5 (29.Qb6 Qf8+–) 29...de5 30.de5 Bc5 31.Rd1 Qc7 32.Qd2 Rf8 33.Nc4 (33.Kg1 h6+–) 33...Qb7 (33...Bf2 34.Nd6 Qa7 35.Qc2+–) 34.Nd6 Qc6 (34...Bd6 35.ed6 Qb3 36.d7+–) 35.Qd3 Rd8 (35...Bf2 36.Ng5 g6 37.Ndf7+–) 36.Rd2 (36.Ng5 Bd6 37.Qh7 Kf8 38.Qh8 Ke7 39.Qd8 Kd8 40.Rd6 Qd7 41.Nf7 Ke7 42.Rd7 Kd7+–) 36...g6 (36...h6 37.Qc3 Qb6 38.Rb2+–) 37.Qe2 (37.Qc3 Qb6 38.Rb2 Qc6+–) 37...h6 (37...Bd6 38.ed6 Rd6+–) 38.Ne4 (better 38.Nf7 Rd2 39.Nh6 Kg7 40.Qd2 Be7+–) 38...Rd2 39.Nfd2 (39.Qd2?! Qe4 40.Qh6 Bf2=; 39.Ned2 Ba7+–) 39...Be7 40.Qf3 Qc7 41.Nf6 Kg7 (41...Bf6 42.Qf6 Qc2 43.Qf4+–) 42.Qg3 (better 42.Ne8 Kg8 43.Nc7+–) 42...Qd8 43.Nde4 Qd4 44.f3 Kf8 45.Qf4 Kg7 (45...g5 46.Qg3 Bb4 47.f4+–) 46.Kg3 (better 46.Ne8 Kf8 47.N8d6 Bd6 48.Qh6 Ke8 49.Nd6 Kd7 50.Nf7+–) 46...Kf8 (46...g5 47.Ng5 Qf4 48.Kf4 hg5 49.Kg5 Ba3+–) 47.Qh6 1–0. BeepBeepImAJeep (2750) – Abdisalimov (2790), lichess.org, 2020.

8.Bc3 Nf6 9.Qb3 d5 (9...d6!? 10.d4 dc5 11.bc5 e5=+) 10.e3+= Nc7 11.Nf3 g6 12.Be2 Bg7 13.0-0 0-0 14.Be5 Nd7 (14...Bg4 15.Qb2+=) 15.Bg7+– Kg7 16.Qb2 f6 17.Nd4 (17.d4!?+–) 17...e5= 18.Nf3 Ne6 19.Rc1 e4 20.Nd4 Nd4 21.Qd4 Kg8 22.f3 f5 23.f4 g5 24.Rf1 (24.Na3 gf4 25.ef4 Qc7+=) 24...g4 (24...gf4 25.Rf4 Qf6 26.Nc3=) 25.Nc3 Re8 26.Ra1 Nf8 27.Na4 Be6 28.Nb6 Bf7 29.Ra7 Qb8 30.Qa1 h5 31.Qa5 (31.b5 Rd8+–) 31...d4 32.Ra8 Qc7 33.Nd5?? (better 33.Re8 Be8 34.Nc4+–) 33...Qa5–/+ 34.Nf6 (34.Ra5?? Bd5 35.Kf2 Ne6–+) 34...Kh8 35.Ra5 Re6 36.Ra8 Kg7 (36...Rf6 37.Rf8 Kg7 38.Rb8+–) 37.Rf8? (better 37.Nh5 Bh5 38.Ra7–/+) 37...Kf8 (37...Rf6 38.Rb8 d3 39.Bd1+–) 38.Nd7 Ke8 39.Nb6 d3 40.Bd1 Kd8 41.Kf2 h4 42.Ke1 Rg6 43.Kf1 Ba2 44.Ke1 Kc7 45.Ba4 Rg8 46.Kf1 Rd8 47.Ke1 g3 48.h3 Kb8 49.Bd1 Ka7 50.Ba4 Ka6 51.Kd1 Bf7 52.Ke1 ½–½. Polischuk,Vyacheslav (1790) – Smagin,Nikita (2000), Moscow Open E, 2011.

8.Bc3 Nf6 9.e3 g6 (9...b5 10.d4=) 10.Nf3 Bg7 11.Be2 b6 12.cb6 (12.d4 0-0+=) 12...Qb6= 13.Qa4 0-0 14.0-0 Nc7 15.Na3 Ba6 16.Nc4 Qb8 17.Qa2? (17.Re1 Bb5 18.Qc2 Ncd5=) 17...Nfd5?? (better 17...d5–+) 18.Bg7= Kg7 19.Qb2 f6 20.Rb1 Bc4 21.Bc4 Qb7 22.Qd4 e5 23.Qd3 Rd8 24.b5 (24.e4 A) 24...Nb4? 25.Qd6 Re8 26.Rb4+– (26.Qb4?! Qb4 27.Rb4 d5+–); B) 24...Nb6=) 24...cb5 25.Bb5 (better 25.Bd5!? Qd5 26.Qd5 Nd5 27.Rb5=) 25...Rb8–/+ 26.e4 Nb5 (26...Nf4 27.Qd7 Kh6 28.d4 Nb5 29.Qb7 Rb7 30.de5–/+) 27.ed5=+ Qa6 28.h3 (28.Rc1!?=+) 28...Qa3?? (better 28...Nc7 29.Qe4 Rb1 30.Qb1 Nd5–/+) 29.Qa3+– (29.Qa3 Na3 30.Rb8+–) 1–0. BeepBeepImAJeep (2780) – Abdisalimov, lichess.org, 2020.

8.d4 d6 9.Qc1 Na6 (9...Bf5 10.Nd2=+) 10.e3 (10.b5 cb5 11.cd6 ed6=) 10...bc5 (10...Nb4!? 11.cb6 Bf5-/+) 11.bc5= Qa5 (11...dc5 12.Nd2=) 12.Bc3+= Qa2 13.cd6 ed6 14.Bd3 Nf6 15.Ne2 Be7 16.0-0 0-0 17.Nd2 Be6 18.Qa1 Qa1 (18...Ra8 19.Qa2 Ba2 20.Ra1+=) 19.Ra1 (worse 19.Ba1 Nb4 20.Bb1 Ra8=) 19...Nc7 20.Ra7 Ncd5 21.e4 Nc3 22.Nc3 (worse 22.Re7 Ne2 23.Be2 Ra8=) 22...Re8 23.h3 h6 24.f4 White prepares e5 24...d5 (24...g6 25.Rc7+/-) 25.f5 (25.e5!? Bb4 26.Ndb1+=) 25...Bc8 (25...de4 26.Nce4 Bd5 27.Nc3=) 26.e5 Bb4 27.Ndb1 Nh5 28.Ne2 c5 (28...Re5 29.Ra4 Re3 30.Rb4 Rd3 31.Rb8=) 29.g4 (29.Bb5 Rf8 30.g4 g5 31.gh5 Bf5+-) 29...cd4 (29...c4 30.Bc2 Re5+/-) 30.gh5+/- Re5 31.Kf2?? (better 31.Ra8 Re8 32.Nf4+/- (32.Nd4? Bc5-+)) 31...Bf5-/+ 32.Nf4 (32.Nc1 Be1 33.Kg2 Be4 34.Kf1 Bh4-/+) 32...Bd2?? (better 32...Be4 33.Rb7 Bd6-/+) 33.Nd2+- (33.Nd2 Bd3 34.Nd3 Rh5 35.Nf3+-) 1-0. zembelek (2055) - kurzeme (2005), Rated Blitz game, lichess.org, 2014.

8.d4 d6 9.cd6 Qd6 10.b5=.

8.d4 d6 9.Nf3 Nf6=.

8.d4 e5 9.de5+= bc5 10.bc5 Bc5 11.Nd2 (11.Qc2 Qb6 12.e3 Ba6 13.Ba6 Na6+=) 11...Nh6 (11...d5 12.ed6 Nf6 13.e4=) 12.Ngf3 0-0 13.e3 d5 14.Qc2 Bb4 15.Bd3 g6 16.0-0 Bd2 (16...c5 17.Bc3 Nc6 18.Bb5+=) 17.Nd2+/- Bf5 (better 17...Qg5 18.f4 Qh5+/-) 18.f4 (18.e4!? de4 19.Ne4 Be4 20.Be4+/-) 18...Bd3 (18...Qb6 19.Rf3=) 19.Qd3+= Nd7 (19...Nf5 20.Nf3+=) 20.Nf3 (20.Qc3 Nb8+/-) 20...Nc5 (20...Qa5 21.Nd4 Qa4 22.Bb2+=) 21.Qd4 (better 21.Qc2!? Ne4 22.Qc6+/-) 21...Ne6 22.Qd1 Nf5 23.Re1 (23.Qd2 c5=) 23...Qb6 24.Qd3 (24.Bd4 Qb4=) 24...Ra8 (24...Nf4!? 25.Qd2 Ne6-/+) 25.Bd4 Ned4 (25...c5 26.Bc3 Ra3 27.Qd2=+) 26.ed4= c5 27.g4 (27.Rb1 Qa5=) 27...Nd4 28.Nd4 cd4 29.f5 gf5 (29...Re8 30.Re2=+) 30.gf5= (worse 30.Qf5 d3 31.Kf1 Qg6-/+) 30...Kh8 31.Kh1 Rg8 (31...Qb4 32.Qg3 Rg8 33.Qh4-/+) 32.f6 (better 32.e6!? fe6 33.fe6+=) 32...Qb2 33.Qf3 Qd2 34.Rd1 Qe3 (34...Qg5!? 35.Qd5 Qe3-/+) 35.Qe3= (35.Qd5?? d3 36.Qd3 Rg1 37.Rg1 Qd3-+) 35...de3 36.Re1?? (better 36.Rd3=) 36...d4-+ 37.h3 Re8 38.Kg2 Re5 39.Rd1 (39.Ra1 h6 40.Kf1-+) 39...e2 40.Re1 d3 41.Kf2 Re6 (41...h6 42.h4 d2 43.Rg1 e1Q 44.Re1 de1Q 45.Kg2 Qe2 46.Kg1 Rf5 47.h5 Rf1) 42.h4 (42.Rc1 Rf6 43.Ke3-+) 42...Rf6 (42...d2 43.h5 d1Q 44.Kg2 Qe1 45.Kf3 Qg1 46.h6 e1Q 47.Kf4 Rf6) 43.Ke3 (43.Ke3 Rf1 44.Re2 de2 45.Ke2-+). ClayPigeons (2165) - TIMSONCHESSQZ (2030), Rated Bullet game, lichess.org, 2021.

8.e3 bc5 9.bc5 Qa5 10.Bd4 f6 11.f4 Na6 12.Ba6 (12.Nc3 Nh6+=) 12...Ba6= 13.Ne2 e6 14.Qc2 Ne7 15.Kf2 (15.e4 Ng6 16.Be3 f5 17.ef5 Nh4 18.fe6 Ng2 19.Kf2 Ne3 20.ed7 Kd7 21.de3 Qc5 22.Rd1 Kc7+=) 15...Nd5=+ 16.Rc1 (16.Nc1!?=+) 16...Nb4-/+ 17.Qc3 (17.Bc3 Bc5 (worse 17...Nc2 18.Ba5 Bd3 19.Nd4 Nd4 20.ed4=+) 18.d4 Qc7 (18...Nc2?! 19.Ba5 Be2 20.Ke2 Nd4 21.ed4 Bd4 22.Nd2=) 19.Bb4 Bb4-/+) 17...Nd3 (17...Qb5 18.Ng3 Na2 19.Qc2 Nc1 20.Qc1-+) 18.Kf3 (18.Kg1 Qb5 19.Rd1 Nc5 20.Nc1-/+) 18...Qc3 (better 18...Qa2!? 19.e4 Nc1 20.Qc1 Qb3 21.Kf2 e5 22.fe5 fe5 23.Be5 Be7-+) 19.Rc3-/+ (19.dc3? e5 20.Rd1 ed4 21.cd4 d6 22.cd6 Bd6-+) 19...Be7 (19...e5 20.Ra3 Bb5 21.Ba1-/+) 20.g4 (20.Ra3!? Ne1 21.Kf2 Nd3 22.Kf1+=) 20...Kf7 (20...h5 21.g5 fg5-/+) 21.Ra3? (21.Nc1 Nc1 22.Rc1 h5=+) 21...Bc4 (better 21...Ra8-+) 22.Rc3= Ba6 23.Nc1 (23.Ra3 Ra8-/+) 23...Nb4 (23...Nc1 24.Rc1 h5 25.h3=) 24.Ra3 Ra8 25.Nc3 (better 25.Rc3=) 25...Nd3?? (better 25...Be2! 26.Ke2 Ra3-+) 26.Nd3+- 1-0. zembelek (2045) - kurzeme (2015), Rated Blitz game, lichess.org, 2014.

8.e3 d6 9.Qc2 (9.Nf3 e5=) 9...bc5 (9...e5 10.Nf3=) 10.bc5 d5 (10...Qa5 11.Bb2=) 11.Nf3+= Nd7 12.Ne5 (12.Bd3 Qc7=) 12...Ne5 13.Be5 Nf6 14.Qa4 Bb7 (14...Qd7 15.d4+=) 15.Be2 (15.Qa7 Qc8+=) 15...e6 (15...Nd7 16.Bg3=) 16.d4 Be7 (16...Nd7 17.Qa7 Qc8 18.Bg3+=) 17.Nc3 Qa8 (17...Nd7 18.Bg3+/–) 18.0-0 (18.Qa8 Ba8 19.0-0 0-0+–) 18...0-0 (18...Qa4 19.Na4 Nd7 20.Bg7+/–) 19.Rb1 Nd7 20.Bg3 (20.Bd6 Bd6 21.cd6 e5+/–) 20...e5 21.Qa8 (21.Bd1 ed4 22.ed4 Bf6+=) 21...Ba8+= 22.Ba6 (22.Ra1 ed4 23.ed4 Bf6+=) 22...ed4 (22...f5 23.f4 ed4 24.ed4=) 23.ed4+= Bf6 24.Ne2 Re8 25.Kf1 Nf8 26.f3 Ne6 27.Rb4 ½–½. Querol,Sergio (2000) – Hernando "Wilson",Antonio (2165), Cto Autonomico Equipos, 2005.

8.Nf3 d6=.

8.e3 b6 9.Nf3 =.

8.e3 Bf5 9.Nf3 Nd7 10.Nh4 Be4 11.d3 e6 12.de4 Qh4 13.Nc3 Ngf6 14.g3 Qg4 15.Be2 Qg6 16.ed5 Nd5 17.Nd5 ed5 18.Bd3 Qg5 19.Qa4 Qd8 20.0-0 h5 21.e4 de4 22.Be4 Rh6 23.Bf5 Qb8 24.Re1 Be7 25.Bg7 Rf6 26.Bd7 1–0. Dittmar – Hierl, Wolfbusch–Straubing, 1984.

8.e3 Bf5 9.Nf3 e6 10.Be2 Nf6 11.0-0 Nbd7 12.Nc3 Be7 13.Qa4 (13.Nh4 Bg6+=) 13...e5 14.d4 e4 15.Nd2 0-0 (15...b5 16.Qa6 Qc7 17.Qa8 Nb8 18.f3 ef3 19.Rf3=) 16.Bb2 (16.b5 Qa8=) 16...h5 (16...b5!? 17.Qa6 Qc7=) 17.b5+= Qc8 (17...Qa8 18.Qb3+=) 18.Ra1+/– Nh7 (18...Qb8 19.Ra2+/–) 19.Na2 (19.Bh5!? Nhf6 20.Be2 Kh7+–) 19...Ndf6 20.Nb4 Ng5 (20...Bd7!?+/–) 21.bc6+– Bh3?? (better is 21...Qc7+–) 22.cb7 Qb7 23.Ba6 Qc7? 24.Qc6 Qb8 25.Qb7 Qb7 26.Bb7 Be6 27.Nc6 Re8 28.Ne7 Re7 29.Ra8 Kh7 30.c6 Re8? 31.Re8 Ne8 32.h4 (32.h4 Kg6 33.hg5 Kg5 34.Ba3+–) 1–0. Turcot,J – Kunterman,H, corr, 1975.

8.e3 Bf5 9.Nf3 e6 10.Be2 Nf6 11.0-0 Be7 (11...b6 12.Bd4+=) 12.Nc3 (12.d3 Na6 13.Bc3 b6+=) 12...0-0 (12...b6 13.Na4 b5 14.Nc3=) 13.d4 (13.Nh4 b6+=) 13...Qc7 (13...Nfd7 14.b5=) 14.Na4 (14.Nh4 Ng4 15.Bg4 Bh4 16.Bf5 ef5+/–) 14...Nbd7= 15.Qb3 (15.Nh4 Be4=) 15...Ra8 16.Bb2 Rb8 (16...Be4 17.Nc3=) 17.Rc1 h6 (17...b6 18.cb6 Nb6 19.Nc5+=) 18.b5 cb5 19.Bb5 Ne4 20.Bd7 Qd7 21.Nb6 Qc7 22.Ra1 f6? (better is 22...Bf6=) 23.Nd5!+– Qd7 24.Ne7 Qe7 25.Ra7 Qd7 26.Nh4 Bh7 27.h3 Kh8 28.Qb6 Qc8 29.Nf3 Bf5 30.Qb4 Qc6 31.Nh4+– Bh7 32.Qb3?? Nd2 33.Qb4 Ne4+– 34.Bc3 Nc3 35.Qc3 Qb5 36.Qa5 Qb1 37.Kh2 b6 38.cb6 Rb6 39.Ra8 Rb8+/– 40.Ra7 Rb7?? 41.Qd8+– Bg8 42.Ra8 Qh7 43.Ng6!! (43...Qg6 44.Qg8) 1–0. Gorzel,S – Hille,Isolde, Damen BL2 Mitte, 1992.

8.e3 Nf6 9.Nf3 Bg4 10.Be2 e6 11.0-0 Be7 12.d4 0-0 13.Nc3 b5 14.Bb2 Qc7 15.Qb3 Na6 16.Ra1 Qb7 17.h3 Bf3 ½–½. Rehberg,Norbert – Giesen,Dieter, Hessen–ch M Stadtallendorf, 1975.

8.Nf3 Nd7 9.e3 Ngf6 10.d4 g6 11.b5 Qc7 0–1. Grosse,Michael (1685) – Carter,Maurice H, corr WS/O/074 ICCF, 2006.

8.Nf3 Nf6 9.e3 g6 10.Be2 Bg7 11.0-0 0-0 12.d4 Bf5 13.Nbd2 Nbd7 14.Qb3 White prepares the advance b5 14...Qa8 15.Bc3 Qa7 (15...b6!?+=) 16.Ra1+– Qb8 17.h3 Be4 18.b5 Bf3 19.Nf3 (19.Bf3 Qc8+–) 19...Ne4+= 20.bc6 (20.Bb2 e5+=) 20...bc6= 21.Qb8 (21.Bb4 e5=) 21...Rb8 (worse 21...Nb8 22.Bb4+=) 22.Be1 e5 (22...Ndc5 23.Ra7 Ne6 24.Re7=+) 23.Ra7 Rd8?? (better 23...Nf8=) 24.Ba5+– Rb8 25.Rd7 Rb1 26.Bf1 ed4 (26...h6 27.Ra7+– (worse 27.Ne5 Be5 28.de5 Ra1 29.Rd8 Kg7+–)) 27.ed4 (27.Rd8 Bf8 28.ed4 Ra1+–) 27...Bf6 (27...h6 28.Rc7 Ra1 29.Bb6+–) 28.Rc7 Kg7 (28...Ra1 29.Rc8 Kg7 30.Bc7+–) 29.Rc6 g5 (29...Rb2 30.Rb6 Rf2 31.Rb5+–) 30.g4 h5 (30...Rd1 31.Kg2+–) 31.Rc8 (better 31.gh5 Rb3 32.Ne5 Be5 33.de5 Rb1+–) 31...hg4 32.hg4 Bd4 (32...Rb2 33.Be1 Rb3+–) 33.Nd4 (33.Nd4 Ra1 34.Nf5 Kh7 35.f3 Ra5 36.fe4 de4 37.Bc4+–) 1–0. BeepBeepImAJeep (2600) – Paanoos (2315), lichess.org, 2016.

8.d4 Nd7 9.Nf3 Ngf6 10.e3 d5 11.Bd3 g6 12.0-0 Bg7 13.Nc3 White prepares b5 13...0-0 14.b5 Re8 15.Qa4 Nb8 16.Bb2 Ng4 (16...b6 17.Qa7 Nfd7 18.Nd5 Nc5 19.dc5 (19.Qb8?! Qd5 20.Be2 Na4=) 19...Qd5 A) worse 20.Qb8 Bb2 (worse 20...Qd3 21.Bg7 Kg7 22.Qb6+–) 21.cb6 Qd3=; B) 20.Bg7 Qd3 21.Qb8 Kg7 22.cb6 Qb5 23.Qc7+–) 17.h3 (17.Qa8 e5 18.Qb8 e4+–) 17...Nh6 (17...Nf6 18.Ra1+–) 18.Rd1 (18.Qa8!? Bf5 19.Bf5 Nf5 20.Qb7 e6+–) 18...Bf5+– 19.Be2 Qc7 (19...Rf8 20.Qa7 Qc8 21.bc6 Nc6 A) worse 22.Nd5 A1) worse 22...Na7 23.Ne7 Kh8 24.Nc8 (24.Nf5?? Qf5 25.Bd3 Qd7–+) 24...Rc8 25.g4+=; A2) 22...e6=+; B) 22.Qb6+–) 20.Qa7 (20.bc6 Rd8 21.cb7 Qb7+–) 20...Nd7 (better 20...e6!?+–) 21.bc6+– Qc6 22.Bb5 Qe6 (22...Qc8+–) 23.Qb7 Rd8 (23...Rb8 24.Qc7 Rb5 25.Nb5 Nf8+–) 24.Qc7 (worse 24.Qd5 Qd5 25.Nd5 Rb8 26.Ne7 Kf8 27.Nf5 Rb5 28.Nh6 Rb2+–; 24.Nd5?! Rb8 25.Qd7 Qd7 26.Bd7 Bd7+–) 24...Rf8 25.Bd7 (better 25.Ng5 Qf6 26.f4 e6 27.Bd7 Qe7+–) 25...Qd7 26.Qd7 Bd7 27.Nd5 Rb8 28.Bc3 (28.Ne7?! Kf8 29.Ng6 hg6+–) 28...Kf8 29.Nb6 Bc6 (29...Ke8 30.Nd7 Kd7 31.Ng5+–) 30.d5 Rd8 (30...Be8 31.Bg7 Kg7 32.e4+–) 31.Bg7 (better 31.dc6!? Rd1 32.Kh2 Rd8+–) 31...Kg7 32.Rd4 Be8 (32...Bb7 33.c6+–) 33.c6 Nf5 (33...Rd5 34.Nd5 Bc6 35.Ne7 Bf3 36.gf3 Ng8+–) 34.c7 Nd4 (34...Rd6 35.c8Q Nd4 36.Nd4+–) 35.Nd4 (better 35.cd8Q Nf3 36.gf3 Bb5+–) 35...Rc8 (35...Rd6 36.c8Q Rb6 37.Qe8 Rb7+–) 36.Nc8 Bd7 37.Ne7 (better 37.Nb6 Bf5+–) 37...Kf8 38.c8Q (better 38.d6 f5+–) 38...Bc8 39.Nc8 Ke8 40.Nb6 Ke7 41.Nc4 (better 41.Nb5 f5 42.d6 Ke6+–) 41...Kf8 42.f4 (42.d6 Ke8 43.Nb6 Kf8+–) 42...Kg7 43.e4 h5 44.e5 (44.d6 Kh8 45.d7 Kg7 46.d8Q g5 47.Nf5 Kh7 48.Qg5 h4 49.Qg7) 44...Kf8+– 45.g4 (45.d6 Ke8 46.Nb6 g5 47.fg5 f6 48.d7 Ke7 49.gf6 Kf7 50.d8Q h4 51.Qe7 Kg6 52.Qg7 Kh5 53.Qh7 Kg5 54.Ne6) 45...Ke8 46.g5 h4 47.Kg2 (47.d6 Kd7 48.Nb6 Kd8 49.Nc6 Ke8 50.d7 Kf8 51.d8Q Kg7 52.Ne7 Kh7 53.Qg8) 47...f5 48.Kf3 (48.gf6 Kf7 49.Nd6 Kf8 50.Ne6 Kg8 51.f7 Kh7 52.f8Q g5 53.Qg7) 48...Kd7 49.Ke3 Ke7 50.Kd3 (50.d6 Kd7 51.Nb6 Ke8 52.d7 Ke7 53.Nc6 Kf7 54.d8Q Kg7 55.Qe8 Kh7 56.Ne7 Kg7 57.Qg8) 50...Kd7 (50...Kf7 51.d6 Kf8 52.d7 Kf7 53.d8Q Kg7 54.Ne6 Kh7 55.Qe7 Kg8 56.Qg7) 51.Kc3 (51.Nc6 Kc7 52.e6 Kb7 53.e7 Ka6 54.e8Q Kb5 55.Nd4 Kc5 56.Qb5) 51...Kc8 (51...Kc7 52.d6 Kc8 53.e6 Kd8 54.Nc6 Kc8 55.d7 Kc7 56.d8Q Kc6 57.e7 Kc5 58.Qd6 Kb5 59.e8Q) 52.Kb4 Kb7 (52...Kd7 53.e6 Ke7 54.Nc6 Kf8 55.e7 Kf7 56.Nd6 Kg8 57.e8Q Kg7 58.Ne7 Kh7 59.Qg8) 53.Kc5 (53.e6 Kb8 54.e7 Kc8 55.e8Q Kc7 56.Nb5 Kb7 57.Ncd6 Kb6 58.Qc6) 53...Kc8 (53...Ka7 54.e6 Kb7 55.e7 Kc8 56.Nd6 Kb8 57.Kb6 Ka8 58.e8Q) 54.Kd6 (54.Nd6 Kd8 55.Nc6 Kc7 56.Ne8 Kd7 57.Nf6 Kc7 58.d6 Kc8 59.d7 Kc7 60.d8Q Kb7 61.Qe7 Kc8 62.Qd7) 54...Kb7 (54...Kb8 55.e6 Ka7 56.e7 Kb8 57.e8Q Kb7 58.Qb5 Ka7 59.Nc6 Ka8 60.Qa6) 55.Ke6 (55.e6 Ka7 56.e7 Kb8 57.e8Q Kb7 58.Qb5 Ka7 59.Nc6 Ka8 60.Qa6) 55...Ka6 (55...Ka7 56.d6 Ka8 57.d7 Kb8 58.d8Q Kb7 59.Qd7 Ka6 60.Qc8 Ka7 61.Nc6) 56.Kf6 (56.d6 Ka7 57.d7 Kb8 58.d8Q Kb7 59.Qd7 Ka6 60.Qc8 Ka7 61.Nc6) 56...Kb7 (56...Ka7 57.e6 Kb7 58.e7 Kb8 59.e8Q Kb7 60.Qd7 Ka6 61.Qc8 Ka7 62.Nc6) 57.Kg6 (57.e6 Kc7 58.e7 Kc8 59.e8Q Kb7 60.Qd7 Ka6 61.Qc8 Ka7 62.Nc6) 57...Ka6 (57...Kc7 58.e6 Kb7 59.e7 Kb8 60.e8Q Kb7 61.Qd7 Ka6 62.Qc8 Ka7 63.Nc6) 58.Kf5 (58.e6 Ka7 59.e7 Kb8 60.e8Q Kb7 61.Qd7 Ka6 62.Qc8 Ka7 63.Nc6) 58...Kb7 (58...Ka7 59.g6 Kb7 60.g7 Ka7 61.Nb5 Kb7 62.Nbd6 Kc7 63.g8Q Kd7 64.Qe8 Kc7 65.Qc8) 59.Kg4 (59.Nb5 Kb8 60.Ncd6 Ka8 61.g6 Kb8 62.g7 Ka8 63.g8Q) 59...Ka6 (59...Kc8 60.g6 Kb7 61.g7 Kb8 62.g8Q Ka7 63.Nc6 Ka6 64.Qa8 Kb5 65.Nd6 Kc5 66.Qa5) 60.Kh4 (60.e6 Ka7 61.e7 Kb7 62.e8Q Ka7 63.Qd7 Ka6 64.Qc8 Ka7 65.Nc6) 60...Kb7 (60...Ka7 61.e6 Kb7 62.e7 Kc7 63.e8Q Kb7 64.Qd7 Ka6 65.Qc8 Ka7 66.Nc6) 61.Kg4 (61.g6 Kc7 62.d6 Kb7 63.g7 Ka6 64.g8Q Kb7 65.Na5 Kb6 66.Qb3 Ka6 67.Qb5 Ka7 68.Qb7) 61...Ka6 (61...Kb8 62.g6 Kb7 63.g7 Kb8 64.g8Q Kb7 65.Qh7 Ka6 66.Qb1 Ka7 67.Nc6 Ka6 68.Qb6) 62.Kf5 Kb7 (62...Ka7 63.g6 Kb7 64.g7 Kb8 65.g8Q Kb7 66.Nd6 Kb6 67.Qb8 Kc5 68.Ne6 Kd5 69.Qb5) 63.Ke6 (63.e6 Kc7 64.Nb5 Kc8 65.Ncd6 Kd8 66.g6 Ke7 67.g7 Kd8 68.g8Q Ke7 69.Qe8) 63...Ka7 (63...Kc7 64.d6 Kb7 65.d7 Kc7 66.g6 Kd8 67.Nc6 Kc7 68.d8Q Kb7 69.Qd7 Ka6 70.Nb4) 64.Ke7 (64.g6 Kb7 65.g7 Kb8 66.g8Q Kb7 67.Nd6 Kc7 68.Qc8 Kb6 69.Qc6 Ka5 70.Qb5) 64...Kb7 65.h4 (65.g6 Kb8 66.Nc6 Kc7 67.g7 Kb7 68.g8Q Ka6 69.Qa8 Kb5 70.Nd6 Kc5 71.Qa5) 65...Kb8 (65...Kc7 66.d6 Kc8 67.d7 Kb8 68.d8Q Kb7 69.Qd7 Ka6 70.Qc8 Ka7 71.Nc6) 66.h5 (66.d6 Ka7 67.d7 Kb7 68.d8Q Ka7 69.Qc7 Ka6 70.Qb6) 66...Kc7 67.h6 (67.d6 Kc8 68.d7 Kb8 69.d8Q Kb7 70.Qd7 Ka6 71.Qc8 Ka7 72.Nc6) 67...Kc8 (67...Kb7 68.f5 Kc7 69.h7 Kb8 70.h8Q Ka7 71.Nc6 Ka6 72.Qa8 Kb5 73.Nd6 Kc5 74.Qa5) 68.h7 (68.d6 Kb8 69.d7 Ka7 70.h7 Ka6 71.d8Q Kb7 72.Qb6 Kc8 73.h8Q) 68...Kc7 69.h8Q Kb7 70.Qd8 Ka7 71.Qd7 (71.Qc7 Ka6 72.Qb6) 71...Ka8 (71...Ka6 72.Qc8 Ka7 73.Nc6) 72.g6 (72.Nb6 Kb8 73.Nc6) 72...Kb8 73.g7 Ka8 74.g8Q 1–0. BeepBeepImAJeep (2610) – Assassin_in_White (2270), lichess.org, 2016.

8.d4 e5 9.e3 ed4 10.ed4 dc5 11.bc5 Qe7 12.Be2 Qg5 13.g3 Be7 14.Nf3 Qh6 15.0-0 Nf6 16.Re1 Be6 17.Qa4 Kd8 18.Qb4 Kc8 19.Bc4 Nd5 20.Bd5 cd5 21.Nc3 Nc6 22.Qa4 Kc7 23.Ne5 Ne5 24.Re5 Qc1 25.Kg2 Kb8 26.Nb5 Rd8 27.Qa7 Kc8 28.Qa8 Kd7 29.Qb7 Ke8 30.Nc7 Kf8 31.Re6 Qa1 32.Re7 Qd4 33.Ne8 Re8 34.Rf7 Kg8 35.Rf4 Qf4 36.gf4 d4 37.Qd5 Kh8 38.c6 h6 39.c7 Rc8 40.Qd8 Rd8 41.cd8Q Kh7 42.f5 d3 43.Qd3 Kg8 44.Qd5 Kf8 45.Qe6 h5 46.h4 g5 47.fg6 Kg7 48.Qf7 Kh8 49.Qh7 1–0. Bonetti,Shane – Celes (2275), ICC, 2002.

8.d4 e5 9.e3 ed4 10.ed4 Nf6 11.Bc4 (11.Nf3 Be7=) 11...b5 12.Bb3 Na6 13.Bc3 Ne4 ½–½. Grott,Peter – Keber,Ernst, DESC, 2000.

8.d4 Nf6 9.Nf3 e6 10.e3 Be7 11.Be2 0-0 12.0-0 b6 13.cb6 (13.Nbd2 dc5 14.dc5 Nfd7=) 13...Qb6=+ 14.Bc3 d5 15.Qa4 Ba6 16.Ba6 Na6 Increasing the pressure on the isolated pawn on b4 17.Nbd2 Rb8 Increasing the pressure on the isolated pawn on b4 (17...Qb5 18.Ra1 Nb4 19.Ne5=) 18.Rb1 (18.Ne5 Bb4 19.Bb4 Nb4 20.Rb1+–) 18...Nb4 White creates threats along the open b–file (18...Qb5!? 19.Ra1 Nb4=) 19.Ne5 (19.Bb4!? Bb4 20.Ne5+–) 19...c5+= 20.dc5 (better 20.Bb4 cb4 21.Nc6=) 20...Qc5–/+ (20...Bc5?! 21.Bb4 Be3 22.Qc2 Bf2 23.Kh1=) 21.Bb4 Rb4 22.Rb4 Qc1?? (better 22...Qb4 23.Qa8 Bf8–/+) 23.Nf1+– Threatening mate: Rb8 23...Bb4 24.Qb4 h6?? (24...Qc7 25.Qa4 h6 26.Nc6+–) 25.Nd3 (better 25.Qe7 Qc8 26.Qf7 Kh7+–) 25...Qd1 (25...Qc2 26.Qd2 Qd2 27.Nd2+–) 26.Nf4 (26.Qb8 Kh7 27.Ne5 Qh5+–) 26...Ne4 (26...Qc2 27.Qb8 Kh7 28.f3+–) 27.Qb8 (27.f3!? Nf6+–) 27...Kh7 28.Qb5 Nd2?? (28...Qc2 29.Ne2+–) 29.Qe2 (better 29.Qd3 Kg8 30.Qd2 Qd2 31.Nd2+–) 29...Qe2 30.Ne2 White fights for the Initiative 30...Ne4 31.f3 Nd6 32.e4 (better 32.Nd2!?+–) 32...de4+– 33.f4 Nf5 (33...g5 34.Ne3+–) 34.Kf2 Nd6 (34...g5 35.Ne3+–) 35.Nfg3 (35.Ke3 Kg6 36.Kd4 f6+–) 35...Kg6 36.Nd4 f5 (36...Nf5!? 37.Nc6 Ng3 38.Kg3 f5+–) 37.Ne6+– Kf6 38.Nc5 g6 39.Nb3 g5 40.Ke3 gf4?? (better 40...Nc4 41.Kd4 Na3 42.fg5 hg5+–) 41.Kf4+– Nc4 42.Nf5 e3 43.Ne3 Nd6 44.Nd4 Kg6 45.Ng4 Kh5 (45...Ne8 46.Nf5 h5 47.Ne5 Kf6 48.Ng3+–) 46.Nf6 (46.Ne5 Nc4 47.g4 Kh4 48.Ndf3 Kh3 49.Nc4+–) 46...Kh4 (46...Kg6 47.Nd5 Nb7+–) 47.Nf3 1–0. BeepBeepImAJeep (2655) – Assassin_in_White (2125), lichess.org, 2016.

8.e3 e5 9.Qc2 Nd7 10.Nf3 dc5 11.bc5 Qa5 12.Be5 Ne5 13.Ne5 Qc5 14.Qc5 Bc5 15.Bc4 Nh6 16.Nc3 b5 17.Bb3 Bb7 18.Ne4 Be7 19.Nd3 0-0 20.Nec5 Bc8 21.Ke2 Ng4 22.f3 Nf6 23.Rc1 Nd7 24.Nd7 Bd7 25.Ne5 Ba3 26.Rc2 Bf5 27.e4 Bd6 28.Nf7 Rf7 29.Bf7 Kf7 30.ef5 Bh2 31.Rc6 Bg1 32.g4 h6 33.Kd3 Bf2 34.Ke4 b4 35.d4 Be1 36.Rb6 Bc3 37.Kd3 Ke7 38.Kc4 Be1 39.Rb4 1–0. Blasig,Volker – Pimenta, 1991.

8.e4 dc5 9.bc5 Qa5 10.Nc3 Qc5 11.f4 Nf6 12.Be2 Qa5 13.Nf3 Bg4 14.h3 Bf3 15.Bf3 e6 16.0-0 Be7 17.Qb3 b5 18.e5 Nfd7 19.f5 Ne5 20.Ne4 Qc7 (better is 20...Qa4!? 21.Qe3 Nc4+=) 21.fe6+= f5 22.Bh5 Kd8 23.Rf5 Qa7 24.Kh2 Qa1 25.Qg3 Rf8 26.Re5 (26.Qe5?! Qe5 27.Re5 g6+=) 26...Rf1 27.Nf2 Rf2?? (27...Qa3 28.Rd5 Kc8 29.Rd8 Bd8 30.Qa3 Bc7 31.g3 Rf2 32.Kh1 g6+–) 28.Rb5+– Nd7 (28...Bc5 29.Qb8 Ke7 30.Qe8 Kf6 31.Rc5 Qe5 32.Re5 Ke5+–) 29.Rb8! (29.Rb8 Nb8 30.Qb8#) 1–0. Holving,R (2210) – Bouaraba,M (2215), Rilton Cup SWE, 2011.

5.b5 Qc7 6.e3 b6 7.Nf3 d6 8.Be2 Bb7 9.0-0 Nd7 10.d4 e6 11.Nbd2 Be7? (11...Ne7 12.Bd3+=) 12.a4?? (better 12.dc5 Bf6 13.Bf6 Ndf6 14.c6+–) 12...Bf6 13.Rc1 Ne7 14.Nb3 (14.Bd3 Rc8+=) 14...0-0 15.Ba1 Rac8 16.Qd2 Rce8 17.Rfd1 g6?? (better 17...Rd8=) 18.dc5+– Nc5 (18...Nf5 19.cb6 Qb6 20.Bf6 Nf6 21.Qa5 (21.Na5?! Ne4 22.Qe1 Nc5+–) 21...Qa5 22.Na5+–) 19.Nc5 (19.Bf6 Nb3 20.Qc3 Nc1 21.Qc1 Be4=+) 19...dc5 (19...Ba1 20.Nb7 (20.Ra1?! dc5 21.Qd7 Qb8+–) 20...Bg7 21.Na5 ba5 22.Qd6+–) 20.Bf6 Nf5 (20...Rd8 21.Qc3 Rd1 22.Rd1+–) 21.Be5 (better 21.Ne5 Ra8+–) 21...Qc8 22.Ba1 (22.Qc3 Rd8+–) 22...Rd8 (22...f6 23.Qc3+–) 23.Qc3 f6 24.Rd8 Qd8 25.Rd1 Qe7 26.Qd2 Re8 (26...Be4 27.g4 Ng7 28.Qd7 Qd7 29.Rd7+–) 27.Qd7 (27.g4 Nh6 28.Qd6 Ng4 29.Qb6 e5+–) 27...Kf7 (27...e5 28.Qe7 Re7 29.g4+–) 28.Qe7 (28.g4 Qd7 29.Rd7 Re7+–) 28...Ke7 29.Ne1 (29.g4!? Nh6 30.Bf6 Kf6 31.g5 Ke7 32.gh6 Bf3 33.Bf3 Rc8+–) 29...h5 30.Bf3 (better 30.Nd3+–) 30...Bc8 (30...Bf3 31.Nf3 e5+–) 31.Bc6 (31.e4 Nd4 32.Rd4 cd4 33.Bd4 e5 34.Bb6 Be6+–) 31...Rf8 32.h3 (better 32.e4 Nh6+–) 32...Nd6 33.Rc1 Nf5 (33...Bb7 34.Bb7 Nb7 35.e4+–) 34.Nd3 (34.e4 Nd4 35.Bd4 cd4+–) 34...Nd6 (34...Rd8 35.Nf4 Kf7 36.Kf1+–) 35.Nf4 Nf5 (35...Kf7+–) 36.Ng6 Kf7 37.Nf8 Kf8 38.Bf6 Kf7 39.Be5 (39.Bd8 h4+–) 39...Ke7 40.g4 (better 40.Bc7 Bd7 41.Bf3 e5+–) 40...Ng7 (40...hg4 41.hg4 Nh6 42.g5+–) 41.Bg7 hg4 42.hg4 Kf7 43.Be5 Ke7 44.Bf4 (44.g5 Kf7 45.Be4 Bd7 46.g6 Ke7 47.g7 Kf7 48.Bh7 Ke7 49.g8Q Bc8 50.Qg7 Ke8 51.Bg6 Kd8 52.Qc7) 44...Bd7 45.Be5 (better 45.Bg5 Kf7 46.Bd7+–) 45...Bc6?? (45...Bc8 46.Kg2 Kf7+–) 46.bc6 Kd8 (46...Kf7 47.c7 Ke8 48.c8Q Ke7 49.Qc7 Ke8 50.Rd1 b5 51.Rd8) 47.Rd1 Ke7 48.Rd7 (48.c7 b5 49.c8Q Kf7 50.Qc7 Kg6 51.Qg7) 48...Ke8 49.g5 Kf8 (49...b5 50.g6 ba4 51.g7 a3 52.g8Q) 50.Bf6 (50.c7 b5 51.c8Q) 50...Kg8 51.c7 Kf8 (51...b5 52.c8Q) 52.c8Q 1–0. BeepBeepImAJeep (2560) – Chessplayer2025 (2305), lichess.org, 2018.

5.b5 Nf6 6.Nc3 e6 (6...d6 7.e4+=) 7.e4 (7.Na4 Qc7+=) 7...Qc7 8.Nf3 d6 9.Be2 b6 (9...Be7 10.Rb1+=) 10.0-0 (10.d4 Be7+=) 10...Bb7+/– 11.d3 (11.Qc2 Be7+=) 11...Be7+= 12.Nd2 (12.Qa4 0-0+=) 12...d5 (12...0-0 13.f4+=) 13.ed5 ed5 14.Bf3 (14.Nd5 Nd5 15.cd5 0-0=) 14...dc4 (14...d4 15.Bb7 Qb7 16.Nce4+=) 15.Bb7 (15.dc4 0-0+=) 15...Qb7 16.dc4 0-0 17.Qf3 Ra7 (17...Qf3 18.Nf3 (< 18.gf3 Rd8 19.Nde4 Nbd7=) 18...Re8 19.Rad1+=) 18.Qg3 Qc7 19.f4 Qd7 (19...Nh5!? 20.Qf3 Nf6+/–) 20.Nd5+– Nh5 21.Qf3 (21.Ne7?! Qe7 22.Qf2 Rd7+=) 21...Nf6 22.Bf6 Bf6 23.Nf6 gf6 24.Rad1 Qf5 25.Ne4 Rd7 26.Qg4 Qg4+/– 27.Nf6 Kg7 28.Ng4 Rfd8 29.Ne3 Rd3 30.Nd5+– Rd1 31.Rd1 Rd6 32.Kf2 Nd7 33.g4 Nf6 34.Kf3 h6 35.h3 Nh7 36.Re1 Nf6 37.Re5 Nd7 38.Re3 Nf6 39.Rd3 Nh7 40.f5 Ng5 41.Kf4 Nh7 42.Re3 Nf6 43.Re5 Nd7 44.Re7 Kf8 45.Re3 Kg7 46.Re8 Kh7? 47.Rd8 Kg7 48.Nb6 Rd4 49.Ke3 Nb6 50.Rd4 cd4 51.Kd4 The passed pawn on c4 quickly leads to threats 51...Nd7 52.c5 Kf6 53.c6 Nb6 54.Kc5 Na4 55.Kd6 (55...Nc3 56.b6 Nb5 57.Kd7 Na3 58.b7+–) 1–0. Bendig,Frank – Bank, BdF,1988.

5.bc5?? Qb2 6.Nc3 a4-+.

5.bc5?? Qc5?? 6.d4 (6.e3 d6+=) 6...Qh5 (better 6...Qc4!? 7.Nf3 Nf6=) 7.Nf3 d6 8.e3 Bg4 9.Be2 Nf6 10.Nbd2 e6 11.Qb3 (11.h3+/-) 11...b5 (better 11...Nbd7!?+=) 12.Qb5 Qb5 13.cb5 Nbd7 14.Nc4 (14.Rc1 h6+-) 14...Be7 15.a4 0-0? (better 15...d5!? 16.Nce5 Bb4 17.Kf1 Nb6+-) 16.Ba3 Ne4 17.h3 (17.Bd3 Nc3+-) 17...Bh5 (17...Bf5 18.Nfd2 Ndf6 19.Bf3+-) 18.g4 (18.Bd3!? Nc3+-) 18...Bg6 19.Nfd2 Ndf6 (19...Rfc8 20.h4+-) 20.Rg1 (20.h4 Nd2 21.Kd2 Ne4 22.Ke1 h6+-) 20...Nd2 21.Kd2 Ne4 22.Ke1 Rfe8 23.f3 Nc3 (better 23...Bh4 24.Kd1 d5 25.fe4 dc4+-) 24.Bd6 Ne2 25.Ke2 Rac8 26.Be7 Re7 (26...Rc4 27.Rgc1 Rec8 28.Rc4 Rc4 29.Ra2+-) 27.Ne5 (better 27.Na5!? Rc2 28.Kd1 Re8+-) 27...Rc2 28.Kf1 (28.Kd1!? Rh2 29.Rc1 Kf8+-) 28...Rec7 29.Ng6 hg6 30.h4?? (better 30.Rg2 R2c3 31.Re2 g5+-) 30...Rc1?? (better 30...Rh2=) 31.Kf2 (31.Rc1 Rc1 32.Kf2 Rc2 33.Kg3 Rb2+-) 31...R1c2 32.Kg3 Rb2 (32...Kf8 33.Kf4+-) 33.Rgc1 Rcc2 34.Rc2 Rc2 35.e4 (35.Rb1 Rc7+-) 35...f5 (35...Rc4+-) 36.ef5 gf5 37.gf5 ef5 38.Kf4 (38.Rb1 Rc7+-) 38...Kf7 (38...Rc4 39.Ke5 Rb4 40.h5+-) 39.Kf5 g6 (39...Rh2 40.Rc1 Ke7 41.Rc7 Kd6 42.b6+-) 40.Kf4 (40.Ke5 Re2 41.Kd5 Rb2+-) 40...Rc3 (40...Rh2 41.Rc1 Rh4 42.Ke5+-) 41.Rd1 (better 41.Rb1!? Rc7+-) 41...Rc4 42.Ke5 Ke7 (42...Rb4 43.Rc1+-) 43.d5 (better 43.Rb1!? Kd7 44.Rg1 Ra4 45.Rg6 Ra3 46.Rg7 Kc8+-) 43...Ra4 44.Rc1 1-0. ClayPigeons (2145) - kurzeme (2140), Rated Bullet game, lichess.org, 2021.

5.d4 d6 6.b5 Bf5 +=.

5.Qc2 dc4=+ 6.Qc4 Be6 (6...ab4 7.Bd4 Qc7 8.ab4 Ra1 9.Ba1=+) 7.Qc5= Nd7 8.Qb6 Nb6 9.ba5 (9.Bd4 Nd7=) 9...Ra5 (9...Nc4 10.Bc3=+) 10.e3 (10.Nf3 Bd5=+) 10...Nf6 11.Nf3 Na4 (11...Bd5 12.Bc3 Ra8 13.Be2=) 12.Be5= Nd7 13.Bc7 Ra8 14.Be2 g6 15.d4 Bg7 16.Nbd2 0-0 (16...Nc3 17.Bd3=) 17.0-0 (17.Bg3 Nc3=) 17...Nc3=+ 18.Rfe1 (18.Bd3 c5=+) 18...Ne2-/+ 19.Re2 Rfc8 20.Bg3 Bg4 (20...c5 21.Ree1-/+) 21.Nb3 (21.h3!? Bf3 22.Nf3=+) 21...e5! 22.Rd2 (22.de5 Ne5; 22.Ne5 Be2 Pinning (22...Be2 Deflection); 22.Be5 Ne5 Combination) 22...Bf3 23.gf3 ed4 24.Nd4 (24.ed4 Re8-/+) 24...c5-+ 25.Nb3? (better 25.Nb5 Ba1 26.Rd7-+) 25...Ba1 26.Na1 Ra3 27.Nc2 Ra2 28.Rd7 Rc2 29.Rb7 Rd2 (29...Rc1 30.Kg2-+) 30.Be5 (30.Rb3 c4 31.Rc3 Rd1 32.Kg2 f6-+) 30...c4 31.Bc3 (31.Kg2 c3 32.Rb1 c2-+) 31...Rd3 32.Bd4 c3 33.Kg2 (33.Bc3 Rdc3 34.h3 Kg7-+) 33...c2 (better 33...Rd4 34.Rb1 c2-+) 34.Bb2 c1Q (34...Rd1 35.Re7 h5 36.Ba3-+) 35.Bc1 Rc1 36.Rb2 h5 37.h4 (37.f4 Kg7-+) 37...Kg7 (37...Rdd1 38.f4-+) 38.f4 Rc6 (38...Rdd1 39.f3-+) 39.Kf3 (39.Ra2 Rd1-+) 39...Kf6 (39...Rd1 40.Kg2-+) 40.Ke4 (40.Ke2 Ra3-+) 40...Rd7 (40...Rd1 41.Kf3-+) 41.Rb5 (41.Kf3 Rd1-+) 41...Rc2 42.f3 (42.Kf3-+) 42…Rc4 0-1. zembelek (2100) - alkemisti (2085), Rated Blitz game, lichess.org, 2013.

5.c5 Qd8 6.e3 (6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Na6=) 6...ab4 (6...b6 7.cb6 ab4 8.b7 Bb7 9.ab4 Ra1 10.Ba1=) 7.ab4 Ra1 8.Ba1 Bd7 (8...b6 9.Nf3=) 9.Bd3 b6 10.Bd4 bc5 11.bc5 Qc7 (11...Nf6 12.Qb3 Bg4 13.f3=) 12.f4 Qa7 13.Qb3 Bg4 14.Qb6 (14.h3 Bc8+=) 14...Qa8 15.h3 Bc8 16.Nf3 Nd7 17.Qb4 f6 (17...e6 18.0-0+=) 18.Qc3 (18.0-0 e6+=) 18...Qb8 19.0-0 e6 20.e4 (20.Na3!?+=) 20...Qf4= 21.ed5 ed5 22.Na3 (22.Re1 Ne7=) 22...Be7 23.Nc2 Qc7 24.Bf2 Ne5 25.Ne5 Qe5 26.Nd4 Qc7 27.Qc2 g6 28.Be3 Qd7 29.Rb1+= Kf7 30.Rb6 Bb7 31.Qb3 Ba8 32.Rb8 Qa7 33.Qb6 Qa3 34.Qa6 Qa6 35.Ba6 Bc5 36.Ra8 Bd4 37.Bd4 h5 38.Bb7 Rh7 39.Bc6 Ne7 40.Be8 Kg7 41.Ra7 Kh6 42.Bf6 Ng8 43.Bg5! Kg5 44.Rh7 Nf6 45.Re7 d4 46.Bb5 h4 47.Bd3 Kh6 48.Re6 Kg7 49.Rd6 g5 50.Rd4 Kf7 51.Rb4 Ke7 52.Rb5 g4 53.hg4 Ng4 54.Rg5 Nf6 55.Kh2 Nd7 56.Rg7 Kd6 57.Rd7 Kd7 58.Kh3 Ke6 59.Kh4 Ke5 60.g4 Kf4 61.g5 Ke5 62.g6 Kf6 63.Bb1 Kg7 64.Kg5 Kf8 65.Kf6 Ke8 66.g7 Kd8 67.g8Q Kc7 68.Qe6 Kd8 69.Qe7 Kc8 70.Bf5 Kb8 71.d4 Ka8 72.Be4 Kb8 73.Qb7# 1–0. Registration (2420) – Celes (2395), ICC, 2003.

6.Nc3 e5 7.e3 Nf6 8.d3 Be7 9.Qc2 0-0 10.Nf3 Re8 11.b5 (11.Be2!?=) 11...Bc5–/+ 12.b6? (better 12.d4!? ed4 13.Na4–/+) 12...Bb6–+ (worse 12...Qb6 13.Na4 Qc7 14.Nc5+–) 13.Na4 Ba7 14.Be2 Bg4 15.0-0 Nbd7 16.Ng5 Be2 17.Qe2 h6 Black prepares the advance d4 18.Nf3 b5 19.Nc3 d4 20.Ne4 Ne4 21.de4 de3 22.fe3 Qb6 23.Bc1 (23.Rfe1 Rad8–+) 23...f6 (23...Nf6 24.Nh4 Ne4 25.Nf5–+) 24.Kh1 (24.Nh4 Nc5–+) 24...Nc5 25.Rb1 a4 26.Bd2 (26.Nh4 Qd8 27.Rd1 Qc7–+) 26...Nb3 (26...Ne4 27.Rfe1–+) 27.Bc1 Nc1 (27...Qc5 28.Qb2–+) 28.Rbc1 (28.Rfc1 Red8–+) 28...Rac8 (28...Qe3 29.Qa2 Qb3 30.Qa1–+) 29.Qa2 Kh7 30.Qf7 (30.Rc3 c5–+) 30...Qc7 (30...Qe3?! 31.Nh4 Bd4 32.Nf5–+) 31.Qh5 Be3 32.Rc3 Bd4 33.Rd3 c5 34.Nh4 c4 (34...b4 35.Qg6 Kh8 36.Nf5–+) 35.Qg6 (35.Rg3 Rf8–+) 35...Kh8 36.Rf6 (36.Rg3 c3 37.Nf5 Re7–+) 36...Rf8 (better 36...cd3 37.Rf1 Bb2–+) 37.Rf8 Rf8 38.Rf3 Rf3 39.gf3 (39.Qe8 Kh7 40.Qg6 Kg8 41.gf3 Qf7–+) 39...Qe7 40.Nf5 Qf6 (better 40...Qg5 41.Qe8 Kh7–+) 41.Qe8 Kh7 42.Qb5 c3 43.Qa4 (43.h4 Qb6 44.Qd3–+) 43...Qg6 (better 43...Qg5 44.Nd4 ed4–+) 44.Ng3? (44.Nd4 ed4 45.Qd1–+) 44...Qf7 45.Nf5?? (45.Qd1–+) 45...g6 (better 45...Qa2 46.Qd7 Qb1 47.Kg2 Qg1 48.Kh3 c2–+) 46.Nh4? (46.Nd4 ed4 47.Qd4 Qf3 48.Kg1 Qg4 49.Kh1 Qf4 50.Qd7 Kg8 51.Qd8 Qf8 52.Qd5 Qf7 53.Qd8 Kh7–/+) 46...Qc7 (46...h5!? 47.Qc6 Bf2–+) 47.Qe8–/+ Qg7 48.Qa4 (48.Qc6!?=+) 48...Qe7 49.Qc4? (better 49.Ng2–/+) 49...Qh4?? (49...Kg7 50.Ng2 Qa3 51.Qc7 Kf6 52.Qc6 Kf7 53.Qc4 Ke7 54.Qc7 Ke6 55.Qc8 Kf6 56.Qc6 Ke7 57.Qc7 Ke8 58.Qc8 Ke7 59.Qc7=) 50.Qf7= Kh8 51.Qf8 Kh7 52.Qf7 Kh8 ½–½. Van Beek,Arnaud – Rene,Michel, Internet Section, 2004.

6.e3 ab4 7.ab4 Ra1 8.Ba1 b6 9.Nf3 bc5 10.bc5 f6 11.Be2 e5 (11...Qa7 12.Nc3 Qc5=) 12.0-0 (better 12.d4+=) 12...Bc5–/+ 13.d4 Bd6 14.de5 (14.e4 de4 15.de5 fe5=+) 14...fe5 15.h3 Nf6 16.Nc3 0-0 17.Qb3 Nbd7 18.Rc1 Kh8 19.Qc2 Qd8 20.Na4 Qe7 Black plans e4 (better 20...c5!?–/+) 21.Qc6=+ e4 (21...Nb8 22.Qc2=+) 22.Nd2 (22.Nd4 Ne5 23.Qc2 Kg8=) 22...Ne5=+ 23.Be5 (23.Qc2!?=+) 23...Qe5–/+ The mate threat is Qh2 (worse 23...Be5 24.Ne4 Ne4 25.Qc8–/+) 24.Nf1 Bf5 25.Nb6 Attacks the backward pawn on d5 25...g5 (25...Rd8 26.Rc2=+) 26.Rd1 The pressure on the backward pawn d5 grows 26...g4 (26...Qe6 27.Qc3 Be5 28.Qc5=+) 27.h4 (27.hg4 Bg4 28.Bg4 Ng4 29.Nd7= (worse 29.Rd5 Qb2 30.Rd2 Bh2 31.Nh2 Qd2 32.Ng4 Qd1 33.Kh2 Qg4–/+; 29.Qd5?! Rf2 30.Qd6 Rf1 31.Kf1 Qf5 32.Kg1 Qf2 33.Kh1 Qh4 34.Kg1 Qf2 35.Kh1 Qh4 36.Kg1 Qf2=)) 27...g3 (better 27...Qe6!? 28.Bb5 Rd8=+) 28.fg3 Bg4 (28...Rd8!?+=) 29.Bg4+– Ng4 30.Rd5?? (better 30.Nd5 Qf5 31.Nf4+–) 30...Qf6 (30...Rf1 31.Kf1 Qf6 32.Rf5 Qa1 33.Qc1 Qc1 34.Ke2 Qc2 35.Ke1 Bb4 36.Kf1 Qd1) 31.Rf5–+ Qf5 32.Qc3 Be5 (better 32...Rf6 33.Qc8 Qc8 34.Nc8–+) 33.Qe1 Qf2 (33...Qe6 34.Qe2–+) 34.Qf2 Rf2 (34...Nf2?! 35.Nd7 Rc8 36.Kf2–/+) 35.Nc4 Bc7 36.Ncd2 (36.Nh2 Rc2 37.Ng4 Bg3–+) 36...Re2 37.Ne4 Bb6 38.Ng5 (38.Ned2 Re1 39.Nc4 Ba7 40.h5 Kg7 41.h6 Kh6 42.Ncd2 Be3 43.Kh1 Bd2 44.Kg1 Be3 45.Kh1 Rf1) 38...Ne3 (38...Re1 39.Nf7 Kg7 40.Nd6 Be3 41.Kh1 Rf1) 39.Ne3–+ Re3 (39...Be3 40.Kf1 Rf2 41.Ke1 Rg2 42.Ne4–+) 40.Kf1 (40.Kh2 Bc7 41.Nf3 Re4–+) 40...Re7 (40...Rg3!? 41.Nf7 Kg7 42.Ne5–+) 41.Nf3 Rf7 42.g4 (42.g4 Rc7 43.Ke2–+). BeepBeepImAJeep (2625) – Pachyderm (2360), lichess.org, 2017.

6.e3 ab4 7.ab4 Ra1 8.Ba1 Nf6 9.Nf3 e6?? (9...Nfd7 10.d4=) 10.Be2 (10.Be5 Qd8 11.Bb8 Be7+-) 10...Be7?? (10...Nbd7 11.Bf6 Nf6 12.d4+=) 11.0-0 (11.Be5 Qd8 12.Bb8 b6+-) 11...0-0?? (11...Nbd7 12.d4=) 12.d3 (better 12.Be5 Qd8 13.Bb8+-) 12...b6 (12...Nbd7 13.Bf6 Bf6 14.d4=) 13.Qc2 (13.Be5 Qb7=) 13...Nbd7 14.d4 bc5 15.dc5 Bb7 16.Bc3 Ra8 17.Nbd2 Ba6 18.Ba6 (18.Ra1 Nb8+/-) 18...Ra6 19.Nb3 (19.Rd1 e5=) 19...Qa7 (19...Ne4 20.Rd1=+) 20.Rb1 (20.Ra1 Ra1 21.Ba1 Ne4=+) 20...Bd8 (20...Ne4 21.Nfd4=+) 21.Nfd4 Nb8 (21...Ne4 22.Bb2=) 22.h3 (22.b5 cb5 23.Nb5 Qe7+=) 22...Ra2 23.Qd3 Ne4 24.Be1 (24.Bb2 Bh4 25.f3 Nf2=) 24...Qa6 (24...Qc7!?=) 25.Qa6+= Ra6 (25...Na6? 26.f3 (26.Nc6?! Bh4+-) 26...Nf6 27.Nc6+-) 26.f3 Nf6 27.Kh2 (27.Bg3 Nfd7+=) 27...Kf8 28.Kg3 (28.Bg3 Nfd7+=) 28...Ke8 (28...Bc7 29.f4=) 29.Rb2 (29.b5 Bc7 30.Kf2 cb5 31.Nb5 Kd8=) 29...Kd7 30.Bc3 (30.b5 Bc7 31.Kf2 cb5 32.Nb5 Be5=) 30...Ne8 (30...Bc7 31.Kf2=+) 31.f4 (31.b5 Bc7 32.f4 cb5 33.Nb5 f6+=) 31...Bf6 32.Kf3 g6 (32...Nc7 33.g4=) 33.g4 Be7 (33...g5 34.b5 cb5 35.fg5 Bg5 36.Nb5=) 34.g5 (34.Na5 Nc7+=) 34...Nc7 35.Kg4 Ra4 36.Nf3 (36.Rb1 f5 37.gf6 Bf6 38.Nc6 Nc6 39.Bf6 Rb4=) 36...Nb5= 37.Be5 (37.Bd2 f6=) 37...Na6=+ 38.Nbd4 (38.Bd4 Nb4 39.Ne5 Ke8=) 38...Rb4-/+ 39.Bg7?? (better 39.Rb4 Nb4 40.Nb3-/+) 39...Rb2-+ 40.Ne5 Ke8 41.Nec6 Nd4 (41...Bf8 42.Be5 Rb1 43.Nb5 Rb5 44.Bd6-+) 42.Bd4 (42.ed4 Nb4 43.Nb4 Rb4 44.Kf3-+) 42...Nc5 (better 42...Rc2-+) 43.Bb2-/+ Ne4 0-1. ClayPigeons (2150) - pesoska (2105), Rated Bullet game, lichess.org, 2020.

6.e3 Bf5 7.f4 Nd7 8.Nf3 Ngf6 9.d3 b6 10.cb6 Qb6 11.Bd4 Qb7 12.ba5 Ra5 13.a4 (13.Be2!?=) 13...e6=+ 14.Bc3 Ra8 (14...Bb4 15.Nd4=+) 15.h3 h5 16.Nbd2 Be7 17.Nd4 Bg6 18.Rb1 Qc7 19.N2f3 0-0 20.Be2 e5 21.fe5 Ne5 22.0-0 Bd6 (22...Nf3!? 23.Rf3 Qd7=) 23.Nh4+= Rae8 24.Rf6 (better is 24.Ndf5!?+/–) 24...gf6= 25.Nhf5 Bc5 26.Qf1 Bd4 27.Bd4 c5 28.Rc1 (28.Bb2!?=+) 28...Qd7–/+ 29.Bc5 Qf5 30.Qf5 Bf5 31.Bf8 Kf8 (31...Rf8?! 32.d4 Nd3 33.Rf1=+) 32.d4 Nd3 33.Rf1 (33.Rc3 Re3 34.Bh5 Be4–+) 33...Bg6–+ 34.Bd3 (34.Rf3 Ke7 35.Rf1 Ra8–+) 34...Bd3 35.Rd1 (35.Re1 Ra8 36.Ra1 Ra5–+) 35...Be4 (36.Ra1 Rb8–+; better is 35...Re3!? 36.Kf2 Re2 37.Kf3–+) 0–1. Otte,Marco – van der Werken,Harmen (2050), Wag.Intcomp, 1997.

6.e3 Nf6 7.Nf3 ab4 8.ab4 Ra1 9.Ba1 Nbd7 10.Nc3 g6 (10...e5 11.Be2=) 11.Qb3 (11.d4 Bg7+=) 11...Bg7 12.Be2 0-0 13.d4 b5 14.cb6 Nb6 15.Bb2 Be6 16.0-0 Ra8 17.Na4?? (17.Rc1 Qd6=) 17...Nc4?? (better 17...Ra4 18.Rc1 Qd6-+) 18.Nc5+= Nd6 (18...Qd6 19.Bc4 dc4 20.Qc2+=) 19.Ne6+/- fe6 20.Rc1 Nfe4 21.Ne5 Attacking the backward pawn on c6 21...Be5 22.de5 Nf5? (22...Nc4!?+=) 23.f3 (23.Bd3!? Ng5 24.Bb5 Qb6 25.Bc6 Rc8+-) 23...Ng5+/- 24.g4 (24.b5!?+/-) 24...Nh4+= 25.Kf2?? (25.f4!? Nh3 26.Kf1+=) 25...Rf8 (better 25...Nhf3!? 26.Kg2 Ne5-/+) 26.f4= Ne4 27.Kg1 g5 28.Bd3? (better 28.Bd4=) 28...gf4?? (28...Rf4 29.Rf1 Rg4 30.Kh1 Nf5-+) 29.Be4+/- de4 30.ef4 (30.Qe6 Kg7 31.Rc6 Nf3 32.Kh1 Rd8 33.Qh6 Kg8+/-) 30...Rf4 (30...Qd7 31.Rd1 Qc8+/-) 31.Qg3?? (better 31.Qe6 Kg7 32.Rc6 (32.Qc6 Qc6 33.e6 Kg6 34.Rc6 e3-+) 32...Qa7 33.Rb6+=) 31...Nf3 (31...Qb6!? 32.Kh1 Ng6-/+) 32.Kg2 Rf7 33.Rf1 (33.Kh1!?=+) 33...c5 (33...Qb6 34.Bc1-+) 34.bc5 Qc5 35.Rf2? (35.Rc1 Qb6 36.Rc8 Kg7 37.Rc2 Qg1 38.Kh3-+) 35...Qe3-+ 36.g5 (36.Ba1 h5! 37.Rf1 Qe2 38.Rf2 Qd1-+) 36...Ne1 (better 36...Rf5 37.h4 Ne1 38.Kh3 Qf2 39.Qf2 Rf2-+) 37.Kg1 (37.Kf1 Qg3 38.hg3 Rf2 39.Kf2 Nd3 40.Ke3 Nb2-+) 37...Qg3 (better 37...Rf3 38.Kf1 Rg3 39.hg3 Nd3-+) 38.hg3 Rf2 39.Kf2 Nd3 40.Ke3 Nb2 41.Ke4 (41.g6 h6-+) 41...Nc4 (41...Kg7 42.Kf4-+) 42.g4 (42.Kd4 Na5 43.Ke3-+) 42...Nb6 43.Kf4 Nd5 44.Kf3 (44.Kg3 Kf7-+) 44...Kg7 45.Ke4 Kg6 46.Kf3 Kg5 47.Ke4 Kg4 (47...Kg4 48.Kd3 h5 49.Ke2 h4 50.Kf2 h3 51.Kg1 Kg3 52.Kf1 h2 53.Ke1 h1Q 54.Kd2 Qb1 55.Ke2 Qc2 56.Ke1 Qc1 57.Ke2 Nf4) 0-1. ClayPigeons (2090) - Dr_habar (2300), Rated Bullet game, lichess.org, 2019.

6.e3 Nf6 7.f4 Nbd7 8.Nf3 g6 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Be2 (9.g4 Bg7=) 9...Bg7 10.0-0 0-0 (10...ab4 11.ab4 Ra1 12.Ba1+=) 11.h3 (11.d3 b6=) 11...Ne4 (11...b5 12.cb6 Qb6 13.Bd4=) 12.Bg7+= Kg7 13.Qc2 (13.Nc3 b5+=) 13...Ng3= 14.Re1 Nf6 (14...ab4 15.Qb2 f6 16.Qb4=) 15.Qb2 (15.Nc3 Bf5 16.d3 b6=) 15...b5 16.Nc3 (16.d3 Bf5 17.Ne5 Rfe8=) 16...Ne2 (16...Bf5 17.d3=) 17.Ne2+= a4 (17...Bf5 18.Ned4 Bd7 19.d3+=) 18.g4 (18.Qe5 Ra7+=) 18...Kg8 19.Ng3 (19.Ned4 Ra6=) 19...Ne4 (19...Re8 20.Qe5 Qb7 21.d3=) 20.Ne4 (20.Nf1 Rd8=) 20...de4 21.Ng5 Qd7 (21...f5!? 22.Qa2 Kh8 23.Nf7 Kg7+=) 22.Ne4+– h5 (22...f5 23.Nf2+–) 23.Nf2 (23.gh5 Qh3 24.hg6 Qg4 25.Kf2 fg6+–) 23...hg4 24.hg4 f6 (24...Qd5 25.e4 Qd7 26.Re3+–) 25.Kg2 (25.d4 Kg7+–) 25...Kg7 (25...e5 26.Qa2 Kg7 27.d4+–) 26.Rh1 Bb7 (26...Qd5 27.e4 Qb3 28.Qc3+–) 27.g5 (27.Kf1 Qd5+–) 27...Rh8 28.Kg3 (28.Ne4 Qe6 29.gf6 ef6+–) 28...Raf8 (28...Rad8 29.Kf3+–) 29.Rh8 (29.gf6 ef6 30.Ne4 Qe6+–) 29...Rh8 30.Rh1 Rh5 (30...Rh1 31.Nh1 Bc8 32.Nf2+–) 31.Rh5 gh5 32.Qc3 (32.Ne4 Qe6 33.gf6 ef6+–) 32...Bc8+– 33.e4 Qc7 34.gf6 ef6 35.Qf3 Qd8 (35...Qf7 36.Kh4 Qg6 37.e5+– (37.Qh5 Qg2 38.f5 Qf2 39.Kh3 Qf1 40.Kh2 Qf4 41.Kg1 Qg3 42.Kf1 Qd3 43.Kg1 Qd4 44.Kf1 Bd7=+)) 36.Qd3 (36.Qh5 Qd2 37.Qe8 Qd7 38.Qd7 Bd7+–) 36...Qc7 (36...Qd3 37.Nd3 Be6 38.f5+–) 37.Qe3 (37.Qd6!? Qd7+–) 37...Be6 38.e5 Qf7 39.Qe4 Bd5 40.Qe2 (40.Qf5 Qg6 41.Qg6 Kg6+–) 40...Qg6 (40...Kf8 41.Kh4 Qe7 42.Qh5 (worse 42.Kh5 f5 43.Kg6 Be6=) 42...fe5 43.Kg4 ef4 44.Qh8 Kf7 45.Qh7 Ke8 46.Qe7 Ke7 47.Kf4+–) 41.Kh4 Bf7 (41...Qf5 42.Qh5 Qf4 43.Qg4 Qg4 44.Kg4 fe5 45.Kf5+–) 42.Qf3 (42.Qd3 f5+–) 42...Qf5 (42...Qg1 43.ef6 Kf8 44.Qg3 Qg3 45.Kg3+–) 43.Qe4 (better 43.d4 Bg6 44.Kg3+–) 43...Kg6? (better 43...Qe6!?+–) 44.ef6+– Kf6 (44...Be6 45.f7 Kf7 46.Qf5 Bf5 47.Kh5+–) 45.Qc6 Be6 (45...Kg7 46.Qd6+–) 46.Qe4 (46.Qd6 Kg6+–) 46...Bd5 47.Qd4 Ke6 48.Qe3 Kf6 49.d4 Kg6 (49...Kf7 50.Qe5 Kg6 51.Qf5 Kf5 52.Nd1 (52.Kh5?! Kf4 53.Kg6 Ke3+–) 52...Kf4 53.Nc3+–) 50.Qe5 (50.Qg3!? Kf7+–) 50...Be6 (50...Bf3+–) 51.c6 (51.c6 Qf6 52.Qf6 Kf6 53.Ne4 Ke7 54.Kh5+–) 1–0. Stabenow,Juergen – Grosch, corr DDR, 1985.

6.Nf3 ab4 7.ab4 Ra1 8.Ba1 (--> 1.b4 c6 2.Bb2 Qb6 3.a3 a5 4.c4 ab4 5.c5 Qc7 6.ab4 Ra1 7.Ba1 d5 8.Nf3).

6.Nf3 ab4 7.Be5 Qd8 8.ab4 Ra1 9.Ba1 Nf6 10.e3 g6 11.d4 (11.Bd4 Nbd7=) 11...Bg7 12.Bd3 0-0 13.0-0 b5 14.Nbd2 Bg4 15.Qc2 (15.h3 Be6+=) 15...Bf3 (15...e6!?+=) 16.Nf3+– Nbd7 17.Bb2 Qc7 18.Ra1 Qb7 19.e4 (better 19.h3!?+–) 19...de4= 20.Be4 Ne4 21.Qe4 Nf6 22.Qe1 Nd5 23.Ne5 Ra8 24.Nd3 (24.Ra8 Qa8 25.Bc1 Be5 26.de5 Qa2=+) 24...Ra4–/+ 25.g3 Qa6 26.f4 Kf8 27.Kf2 Ra1 28.Qa1 Qa1 (28...Qa4!? 29.Ke1 Bf6 30.Qa4 ba4–/+) 29.Ba1=+ Ke8 30.Ke2 h5 31.h3 Kd7 32.g4 hg4 (32...h4 33.Bb2=+) 33.hg4= Ke6 34.Kf3 Nc7?? (better 34...Bh8=) 35.d5!+– Kd5 (35...cd5 36.Bg7 Discovered attack; 35...Nd5 36.Bg7 Discovered attack; 35...Kd5 36.Bg7 Discovered attack) 36.Bg7 Kc4 37.Ne5 Kb4 38.Nc6 Kc5 39.Ne7 b4 40.Ke3 Kc4 41.Be5 Na6? (better 41...b3+–) 42.Nc8 1–0. UncleBulgaria (2435) – adelhart (2380), ChessWorld.net, 2015.

6.Nf3 Bf5 7.Nc3 e6 (7...Nf6 8.Qa4=) 8.d4 (8.Qa4 Nd7=) 8...Be7 (8...ab4 9.ab4 Ra1 10.Qa1=) 9.b5 h6 (9...Nf6 10.b6 Qd8 11.e3+=) 10.e3 Nd7 11.Bd3 (11.b6 Qd8+=) 11...Bd3 12.Qd3 Ngf6 13.0-0 0-0 (13...b6 14.bc6 Qc6 15.cb6=) 14.b6+= Qb8 15.Rfe1 e5 (15...Re8 16.Qe2+=) 16.Qf5 e4 17.Nd2 Qc8 18.Qf4 (18.f3 ef3 19.Qf3 Re8+=) 18...Bc5 (18...Qb8!?=) 19.dc5+– Nc5 20.Qg3 (better 20.Reb1+–) 20...Nd3? (better 20...Qg4 21.Qc7 Qh4+=) 21.Nd5!+– Nb2 (21...cd5 22.Bf6 Discovered attack; 21...Nd5 22.Qg7) 22.Ne7 Kh7 (22...Kh8 23.Nc8 Rfc8 24.Rec1+–) 23.Nc8 Rac8 24.Nb3 (24.Qe5 Nd3 25.Qf5 Kh8+–) 24...Nd3 25.Red1 Nd5 (25...a4 26.Na5 Rb8 27.Rd2+–) 26.Na5 f5 (26...Rb8 27.Nc4+–) 27.Nb7 Nb6 28.Nd6 (28.a4 Nc4+–) 28...Rcd8 29.Nf5! Rf5 (29...Rf5 30.Qg4 Double attack (30.Qg4 Decoy)) 30.Qc7 Rdf8 31.Qb6 Rf2 (31...Nf2 32.Rdc1+–) 32.Qc6 R2f5 33.Qe4 (33.Rf1 Nf2+–) 33...Nf2 34.Qc2 Nd1 35.Rd1 Kh8 36.a4 Ra5 37.Rd7 Raf5 38.h4 R8f6 (38...Rf1 39.Kh2 R1f7 40.Rf7 Rf7 41.a5+–) 39.a5 (better 39.Qc7 h5 40.Rg7 Rf1 41.Kh2 Rf7 42.Rf7 Rf7 43.Qe5 Kg8+–) 39...Rf1 40.Kh2 Rf8 (40...R1f2 41.Qe4 Rf8 42.a6+–) 41.a6 1–0. DEFFM – Sluggy, freechess.org, 2018.

6.Nf3 Bf5 7.e3 ab4 8.ab4 Ra1 9.Ba1 Nd7 10.Be2 (10.Nc3 Ngf6+=) 10...h6 (10...e5!?=) 11.0-0 e5 12.Qa4 f6 (12...Be7!?+–) 13.Nh4+– Bh7 14.Bh5 Ke7 (14...Kd8 15.Nc3+–) 15.Ng6 (15.Bg6 Kd8 16.Qc2 e4+–) 15...Bg6 16.Bg6 e4? (better 16...Kd8+–) 17.Nc3 Ne5?? (17...Kd8 18.Ne2 Ne7+–) 18.Nd5 cd5 19.Qe8 1–0. DEFFM – Sluggy, freechess.org, 2019.

6.Nf3 Nf6 7.e3 e6 8.d4 ab4 9.ab4 Ra1 10.Ba1 Be7 11.Nbd2 0-0 12.Qc2 h6 13.Bd3 b6 14.0-0 b5 (14...Ba6!?=) 15.Bc3+= Bb7 16.h3 Na6 17.Ne5 Ne4? (better 17...Ra8!?+=) 18.Be4 (18.Ne4 de4 19.Be4 Bf6+-) 18...de4 19.Qe4 f5 20.Qc2 Nb8 21.Qb3 Bc8 22.Ng6 Re8 23.e4 f4 (23...Bg5 24.Nf3 Qd8 25.ef5+-) 24.e5 Bg5 25.Ne4 Qf7 26.Qb1 (26.Ng5 hg5 27.Qb1 Qf5+=) 26...Qg6? (26...Be7+-) 27.Nf6!! Kf7 (27...Bf6 28.Qg6 Discovered attack; 27...gf6 28.Qg6 Double attack (28.Qg6 Discovered attack; 28.Qg6 Decoy)) 28.Qg6 Kg6 29.Ne8 Nd7 30.Nd6 Ba6 31.Ra1 Nb8 32.Bd2 1-0. PeterRs – TheWelshKnight, ChessWorld.net, 2022.

7.d4 e5 8.de5 Ne5 9.Qd4 Ng6 10.Nf3 Nf6 11.Nc3 Be6 12.h3 h6 (12...Bf5 13.Be2=) 13.Bd3+= Ne7 14.g4 (14.0-0 Nf5 15.Qe5 Qe5 16.Ne5 Be7+=) 14...Rd8 (14...h5 15.g5 Nd7 16.e4=) 15.Ke2 (15.b5 Nc8+=) 15...Nc8 (15...h5 16.Rhg1=) 16.Na4 Nd7 (16...Be7 17.Ke1+=) 17.Nh4 (17.Qf4 Qf4 18.ef4 f6+=) 17...ab4 18.ab4 b5 19.Nc3 Ne5? (better is 19...Rg8+=) 20.Nb5!+– Qe7 (20...cb5 21.Qe5 Decoy) 21.Qe5 Qh4 22.Nc7 Kd7 23.Ne6 fe6 24.b5 Bc5 25.bc6 Kc6 26.Rhc1 Rhf8 (26...Qe7 27.Bd4 Qd6 28.Rc5 Qc5 29.Bc5 Rd6 30.Ra6 Kd7 31.Qg7 Ne7 32.Rd6 Kc7 33.Qe7 Kb8 34.Rb6 Kc8 35.Ba6) 27.Rc5! Kc5 (27...Kc5 28.Qc7 Mate attack) 28.Rc1 (28.Qc7 Kb4 29.Qc3) 28...Kb6 (28...Kb4 29.Qc3 Ka4 30.Ra1) 29.Qc7# 1–0. De Visser,Arno – Ruiter, 1984.

7.d4 Ngf6 8.Nf3 g6 (8...b6 9.Bd3=) 9.Bd3 Bg7 10.0-0 0-0 11.Re1 e5 (11...ab4 12.ab4 Ra1 13.Ba1+=) 12.de5 (12.Ne5 ab4 13.ab4 Ra1 14.Nd7=+) 12...Ng4+= 13.h3 (13.Nbd2 Nge5 14.Ne5 Ne5=) 13...Nge5 14.Ne5 Ne5 15.Nc3 Nd3 16.Qd3 Bf5 17.Qe2 Rfe8 18.g4 (18.Qd2 ab4 19.ab4 b5=) 18...Be4 (18...ab4 19.ab4 Be6 20.Na4=+) 19.Ne4= Re4 20.Bg7 Kg7 21.f3 Qg3 22.Qg2 Qg2 23.Kg2 Rc4 24.Rab1 ab4 25.Rb4 (25.ab4 Ra4=+) 25...Rb4 (25...Rc5!? 26.Rb7 Ra3-/+) 26.ab4=+ Ra2 27.Kg3 Rb2 28.e4 d4 29.e5 Rb4 30.e6 Kf8 31.e7 Ke8 32.Re4 (32.Kf4 Rb5-+) 32...b5 (32...Rc4!? 33.Kf4-+) 33.cb6-/+ c5 34.Re5 c4 35.Re4? (better is 35.Rd5 c3 36.Kf2-+) 35...c3 (35...Rb6?! 36.Rd4 Rc6 37.Rd2-+) 36.b7 (36.Kf4-+) 36...c2 (36...Rb7?! 37.Rd4 Rc7 38.Rd1-+) 37.Rd4 c1Q (38.b8Q Rb8 39.Rd8 Rd8 40.ed8Q Kd8-+; 37...Rb7?! 38.Rc4=) 0-1. Rosner,Dirk - Joerges, corr Bez-M Rostock, 1989.

7.Nf3 Nd7 8.Qc2 g6 9.Be2 Bg7 10.h4 (10.Nc3!?=) 10...Ngf6=+ 11.Nc3 ab4 12.ab4 Ra1 13.Ba1 0-0 14.Ng5 (14.d3 Ng4=+) 14...h6 15.Nh3 Re8 16.g4 (16.0-0 Nf8-/+) 16...Nh7 (16...d4 17.Na4 b5 18.cb6 Nb6 19.Nb6 Qb6 20.Qc5 Qc5 21.bc5-+) 17.g5 (17.h5 g5-/+) 17...h5 (17...hg5!? 18.Ng5 Ng5 19.hg5 e4-+) 18.f4 d4 (18...Nb8 19.Qa4 Bh3 20.Rh3 Qd7-/+ (20...ef4 21.Nd5 Qc8 22.Nf4 Ba1 23.Qa1+-)) 19.Ne4= de3 (19...ef4 20.Nd6 f3 21.Bf3 Re6+/-) 20.de3+/- ef4 21.Bg7 Kg7 (21...f3 22.Bf3 Kg7 23.0-0+/-) 22.Nd6 Re3 23.Nf4 Ndf8 (23...Re7 24.Nh5 Kg8 25.Nf4+/-) 24.Kf2 (24.0-0 Kg8 25.Bc4 Bf5+-) 24...Re7 25.Qc3 (25.Ra1!? Qb8+-) 25...Kg8+/- 26.Bc4 (26.Bh5!? Ne6 27.Ne6 Be6 28.Bf3+/-) 26...Be6 27.Ra1 (better 27.Bd3+/-) 27...b5?? (better 27...Bc4 28.Qc4 Qd7=) 28.Be6+- (28.Ne6?! fe6 29.Bd3 e5+-) 28...Ne6 (28...Re6 29.Ne6 Ne6 30.Ra8 Nef8 31.Rc8+-) 29.Ra8 (29.Ne6 f6 30.Ra8 Nf8 31.Rf8 Kh7 32.Nc7 Rc7 33.Qf6 Rg7 34.Nf5 Rg8 35.Rg8 Kg8 36.Qg7) 29...Nhf8?? (better 29...Nef8+-) 30.Qd3 (30.Ne6 f6 31.Rf8 Kh7 32.Nc7 Rf7 33.Nf7 Kg7 34.Ne6 Kh7 35.Rh8) 30...Nf4-+ 31.Qd4 N4e6 32.Qf6 Rd7 (better 32...Nd8 33.Ra3-+) 33.Rc8 (33.Kf1 Rd6 34.cd6 Qd6 35.Ra7 Qd3 36.Kf2 Qd2 37.Kf1-+) 33...Qa7 34.Kg1 (34.Rc6 Qa2 35.Ke3 Qb3 36.Kf2-+) 34...Rd6 35.Rf8 Kf8 36.Qh8 Ke7 37.Qf6 Ke8 38.Qh8 Kd7 39.Qg8 (39.Qc3 Rd1 40.Kf2 Qa2 41.Ke3 Qh2 42.Qd3 Rd3 43.Kd3 Qg3 44.Kc2 Nd4 45.Kd2 Qf3 46.Kc1 Qc3 47.Kd1 Qc2 48.Ke1 Qe2) 39...Qa1 40.Kf2 (40.Kg2 Rd2 41.Kf3 Qc3 42.Ke4 Re2) 40...Rd2 41.Ke3 (41.Kf3 Qc3 42.Ke4 Re2) 41...Qc3 42.Ke4 Rd4 (42...Re2) 43.Ke5 Rh4 (43...Rb4) 0-1. carlos78 (2170) - Petrovich63 (2150), Rated Blitz game, lichess.org, 2015.

7.Nf3 Nd7 8.Nc3 Ngf6 9.d4 e4 10.Nd2 Be7 11.b5 0-0 12.a4 Re8 (12...b6 13.bc6 Qc6 14.Bb5=) 13.b6 Qd8 14.Nb3 Nf8 15.Ne2 Bg4 16.Qd2 Ne6 (16...Bc8!?+=) 17.Na5+/- Qc8 18.Nb3 Ng5 19.Ng3 h5 20.h3 Bd7 21.a5 h4 22.Ne2 Qd8 23.Nf4 Bc8 24.Be2 Rb8 25.a6 ba6 26.Ba6 Nd7 (26...Ba6 27.Ra6 Qc8 28.Ra7+-) 27.Bc8 Qc8 28.Ra7 Nb6 29.cb6 Rb6 30.Nc5 Qb8 31.Ra2 Qc7 (31...Bc5 32.dc5 Rb3 33.0-0+-) 32.0-0 Bd6 33.Bc3 f5? (33...Qe7+-) 34.Ba5 Nf7 (34...Qa7 35.Bb6 Qb6 36.Rb2+-) 35.Bb6 (better 35.Na4 Bf4 36.ef4 Reb8+-) 35...Qb6 36.Qb2 (36.Ra6 Qb5 37.Rfa1 Bc5 38.dc5 Ne5+-) 36...Qd8 (36...Bc5 37.dc5 Qc5 38.Ra8 Ra8 39.Ne6+-) 37.Nce6 (37.Nfe6 Qf6 38.Qb7 Bc5 39.Nc5 Nd8+-) 37...Qf6 (37...Qc8 38.Rc1 g5 39.Ng5 Ng5 40.Nd5+-) 38.Qb7 Re6 (38...Bf4 39.Nf4 (39.ef4?! Re6 40.Qc8 Kh7+/-) 39...g5 40.Ne2+-) 39.Ne6 (better 39.Qc8 Qd8 40.Qe6 Bf4 41.ef4 Qf6 42.Qe8 Kh7+-) 39...Qe6 40.Ra8 Kh7 41.Qc8 (41.Ra7!? Kg8+-) 41...Qf6 (41...Qc8 42.Rc8 Kg6 43.Rc6+-) 42.f4 (42.Rc1!? f4 43.Rc6 fe3 44.fe3 Qg5 45.Qg8 Kg6+-) 42...ef3 43.Rf3 (43.Qc6?? Bh2 44.Kh2 Qc6-+) 43...g6 44.Ra6 Kh6 (44...Ng5 45.Qd7 Kh6 46.Rf1+-) 45.Rc6 Ng5 46.Qd7 (better 46.Rf1+-) 46...Nf3 47.gf3 Qg5 48.Kf1 Bh2 (48...Qe3 49.Qd6 (49.Rd6?! Qf3 50.Ke1 Qe3 51.Kd1 Qd3 52.Kc1 Qc3 53.Kb1 Qb3 54.Ka1 Qa3 55.Kb1 Qb3 56.Kc1 Qc3 57.Kd1 Qd3 58.Ke1 Qe3 59.Kf1 Qf3 60.Kg1 Qg3 61.Kf1 Qf3=) 49...Qf3 50.Ke1 Qe3 51.Kd1 Qd4 52.Kc2 Qe4 53.Kc3 Qe3 54.Kb4 Qe4 55.Ka5 Qe1 56.Kb6 Qe3 57.Kb7 Qb3 58.Rb6+-) 49.Qd5+- Qe3 (better 49...Qg1 50.Ke2 Bg3+-) 50.Re6?? (better 50.Qf5! Qg1 51.Ke2 Qg2 52.Kd3 Qf1 53.Kc2 Qe2 54.Kb3 Qd1 55.Qc2 Qc2 56.Rc2+-) 50...Qc1 (50...Qd3 51.Re2 Bg3 52.Qe6 Qf3 53.Kg1-/+) 51.Re1= Qf4 (better 51...Qc3=) 52.Qe6?? (52.Ke2 Qg3+=) 52...Qg3 (52...Qf3) 53.Ke2 Qg2 54.Kd3 Qf3 55.Qe3 Qf4 56.Qf4 Bf4 57.d5 Kg5? (better 57...Kg7+/-) 58.Re6+- Bd6 (58...Kh5+-) 59.Rd6 Kf4 (59...f4+-) 60.Rg6 Ke5 61.d6 f4 (61...Kf4 62.d7 Kf3 63.d8Q f4 64.Qe7 Kf2 65.Qe2) 62.Ke2 (62.d7 Kf5 63.Rd6 f3 64.d8Q Kf4 65.Qh4 Ke5 66.Qf6) 62…f3 (62...f3 63.Kf3 Kd5 64.d7 Kc4 65.d8Q Kb4 66.Qb8 Kc5 67.Qc7 Kb5 68.Rb6 Ka4 69.Qa7). dale70 (2035) - watusi (2105), Rated Blitz game, lichess.org, 2015.

7.Nf3 Nd7 8.Be2 Ngf6 9.0-0 g6 10.d4+= e4 11.Nfd2 Bg7 12.Nc3 White plans b5 12...0-0 13.b5 h5 14.b6 Qd8 15.Re1 Re8 16.Nf1 Nf8 17.Nb1 (17.Qd2 Bg4+=) 17...N8h7 18.Bc3 a4 19.Bd2 Ng5 20.Nc3 Bf5 21.Na4 Qd7 22.f4 (22.Nb2!?+–) 22...ef3= 23.Bf3 Nf3 24.gf3 Bd3 25.Bb4 (25.Bc1 Ba6=) 25...Qf5 (better 25...Bf1!? 26.Kf1 Qh3 27.Kg1 Nh7=+) 26.Ng3+= Qh3 27.Qd3 h4 28.Qf1 Qf1 29.Nf1 Ra4 30.Kf2 Rea8 31.Nd2 Bh6 32.Rad1 Nh5 33.Nb1 Ng7 (33...R4a6!?+–) 34.Nc3 Ra3 35.Ba3 Ra3 36.Ne2?? (better 36.Nb1 Ra5 37.Rd3+–) 36...Be3= 37.Kf1 Nf5 38.Ra1 Ra1 (38...Nd4?? 39.Ra3 Nf5 40.Ra5+–) 39.Ra1 Nd4 (39...Bd4? 40.Nd4 Nd4 41.Ra7+–) 40.Ra3 Nf5 Black prepares d4 41.Rc3 (41.Ra7 Bc5 42.Rb7 Kg7=+) 41...d4 42.Ra3 Kg7 43.Ra7 (better 43.h3–/+) 43...Kf6?? (better 43...d3 44.Nc3 Bc5 45.Rb7 h3–/+) 44.Rb7+– d3 45.Nc3 Bc5?? (better 45...Bd4 46.Ne4 Ke6+–) 46.Ne4+– Ke5 47.Nc5 Kd4 (47...Ne3 48.Ke1 Nd5+–) 48.Nd3! Kd3 Decoy to d3 49.Rf7 Nd6 50.b7 (50.b7 Nb7 51.Rb7+–; better 50.Rd7 Kc4 51.Rd6+–) 1–0. BeepBeepImAJeep (2520) – IMAndrasToth (2455), lichess.org, 2016.

7.Nf3 Nd7 8.Be2 Ngf6 9.d4 e4 10.Nfd2 Be7 11.Nc3 0-0 (11...ab4 12.ab4 Ra1 13.Qa1=) 12.Qb3 White intends b5 12...b5 13.cb6 Qb6 14.b5 Bb7 15.a4 Rad8 16.bc6 Qc6 17.Bb5 Qc7 18.h3 Ne8 (18...Bb4 19.0-0=) 19.Rc1 (19.Nd5 Bd5 20.Qd5+–) 19...Nd6? (better 19...Qd6=) 20.Nd5+– Qb8?? (better 20...Bd5 21.Rc7 Bb3 22.Bd7 Bd5+–) 21.Ne7 Kh8 22.Ba3 Nb5 23.Qb5 Qa8 24.Nf5 Rg8 (24...Ba6 25.Qa5 Rfe8 26.Nd6+–) 25.Nd6 Bd5 26.N2e4! Nf8 (26...Be4 Theme: Deflection from f7 27.Nf7 A double attack) 27.Ng5 (better 27.Rc6 Ba2 28.d5+–) 27...h6 (27...Rd6 28.Bd6 h6 29.Rc5+–) 28.Ndf7 (better 28.Qd5! Qd5 29.Ndf7 Qf7 30.Nf7 Kh7 31.Nd8 Nd7+–) 28...Bf7 29.Nf7 Kh7 30.Nd8 Qd8 31.Bf8 (better 31.Qf5 Ng6 32.h4 Qf6+–) 31...Rf8 32.0-0 Rf6 33.Qd3 Kh8 34.Rc5 Qe8 35.Rf5 (35.Rfc1 Rf8+–) 35...Rg6 (35...Qg6 36.e4 Re6 37.Re5+–) 36.Rf4 (better 36.Re5!? Re6 37.Re6 Qe6+–) 36...Qa8 (36...Kg8+–) 37.Qg6 (37.Qg6 Qc8 38.Rg4 Qb7 39.Rc1 Qg2 40.Kg2 Kg8 41.Qg7) 1–0. BeepBeepImAJeep (2645) – Piglets (2415), lichess.org, 2016.

7.Nf3 f6 8.d3 Bg4 9.Be2 Ne7 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.Nbd2 Nd7 11.0-0 (11.Nd4 ed4 12.Bg4 de3 13.fe3 Ne5+=) 11...Ng6 12.Qb3 a4 (12...b6 13.cb6 Qb6 14.Bc3=) 13.Qa2 Be7 14.Rfe1 0-0 (14...Be6 15.Rad1=) 15.e4 (15.Nd4!? Be2 16.Ne6+=) 15...Be6= 16.d4 Kh8 (16...Nf4!?=) 17.ed5 cd5 18.Rad1 (18.de5!? fe5 19.Bb5+=) 18...Nf4= 19.Bf1 (19.de5 fe5 20.Bb5 d4+=) 19...e4 20.Ne4? (better 20.g3 Ng6 21.Ne4 de4 22.Qe6 ef3 23.d5 Nc5 24.bc5 Bc5 25.Bd3=) 20...de4-+ 21.Qe6?? (21.d5 Bd5 22.Rd5 Nd5 23.Qd5 Nc5 24.Nh4=+) 21…Ne6 (21...Ne6 22.Re4 Ndc5 23.dc5 Ng5 24.Ng5 fg5-+) 0-1. pacal56 (2210) - orbit_zapter (2170), Rated Blitz game, lichess.org, 2015.

7.Nf3 f6 8.Be2 Be6 9.0-0 Nd7 10.d4 e4 11.Nfd2 Nh6 12.Nc3 Be7 (12...ab4 13.ab4 Ra1 14.Ba1+=) 13.Qb3 (13.b5 0-0+=) 13...Ng4+= 14.Bg4 Bg4 15.h3 Bh5 16.Nce4 (better 16.b5=) 16...de4–/+ 17.Ne4 Bf7 18.Qd3 0-0 19.b5 (19.Ng3 b5 20.Nf5 Rfe8–/+) 19...Rad8 (19...b6 20.cb6 Qb6 21.bc6 A) 21...Qb2?! 22.Rfb1 Ne5 23.Qd1 (23.Rb2? Nd3 24.Rd2 Bc4–+) 23...Qa1 24.Ra1 Nc6 25.Qa4+=; B) 21...Qc6–/+) 20.b6–/+ Qb8 21.Qc2 Kh8 (21...f5 22.Nd2–/+) 22.Ng3 Bg6 23.Nf5 (23.Qa4 f5 24.Ne2 Bg5=+) 23...Rfe8–/+ 24.Rad1 Bf8 25.Rfe1 Qc8 26.e4 Bf5 27.ef5 Re1 28.Re1 Re8 29.Bc3 Re1 30.Be1 Qe8 31.Ba5 Qf7 32.f3 (32.Bd2 Qd5 33.Be3 Nb8=) 32...Qd5 33.Qe4 Nc5 34.Qd5 cd5 35.dc5 Bc5 36.Kf1 Ba3 37.Ke2 Kg8 38.Bd2 (38.g4!?=+) 38...Kf7 39.Bf4 (39.h4 Bc5–/+) 39...Ke7–+ 40.Kd3 Kd7 41.h4 Kc6 42.g4 Bc5 43.g5 Bb6 44.g6 hg6 45.Bh6 (45.Bh6 g5 46.hg5 fg5 47.Bg7–/+). DEFFM – Sluggy, freechess.org, 2018.

7.d4 ab4 8.ab4 Ra1 9.Ba1 Ngf6 10.e3 g6 11.Nc3 Bg7 12.Be2 0-0 13.0-0 Re8 14.Qb3 e5 15.de5 Ne5 16.Ne5 Re5 17.h3 Rg5 18.f4 Rg3 19.Kf2 Re3 20.Ke3 d4 21.Kf3 dc3 22.Bc3 Nd5 23.Bd2 g5 24.fg5 Be6 25.Qd3 Qe5 26.Kf2 Bf5 27.Qa3 Qd4 28.Ke1 Bc2 29.Rf3 Be5 30.Qa8 Kg7 31.Qb7 Qa1 32.Kf2 Bd4 33.Kg3 Be5 34.Kf2 Bd4 35.Be3 Be3 36.Re3 Qd4 37.Qc6 Qe3 38.Kf1 Qc1 39.Kf2 Qf4 40.Bf3 Qe3 41.Kg3 Qg5 42.Kf2 Nb4 43.Qd6 Nd3 44.Ke2 Nc5 45.Qd4 f6 46.Qd8 Qe5 47.Kd2 Bf5 48.Bd5 Qd4 49.Ke1 Nd3 0–1. Helle – Houtsonen, Finland 1986.

7.d4 Ngf6 8.e3 b6 9.Bd3 ab4 (9...Ba6 10.Ba6 Ra6 11.Qe2=) 10.ab4 Ra1 11.Ba1 bc5 12.bc5 e5 13.de5 (13.Ne5 Ne5 14.de5 Nd7=) 13...Ne4 14.0-0 Ndc5 15.Bc2 Be7 16.Nc3 (16.Bd4 Ba6 17.Re1 0-0=+) 16...0-0 (16...Bg4 17.h3 Bf3 18.Qf3=+) 17.Nd4 (17.Qd4 Bf5=+) 17...Re8 (17...Ba6 18.Nce2=+) 18.Ne4= de4 (< 18...Ne4 19.Nc6 Be6 20.Ne7 Re7 21.Qd3+–) 19.Qb1 (19.e6 fe6 (< 19...Be6 20.Ne6 fe6 21.Bd4=) 20.Qh5 g6=+) 19...Ba6 20.Rd1 Nd3 (20...Rb8 21.Qc1=) 21.Qb3 c5 22.Qa4 Ra8 23.Nf5 Bb7 24.Qb5 Nb4 25.Bb3 Bf8 26.e6+= fe6 27.Be6 Kh8 28.Bc3 Bc6 29.Qe2 Nd3 30.Qg4 g7 draws heavy fire 30...Rd8 31.Nh6 Be8 32.Qe4 Ne5 33.Rd5 (33...Qb6 34.Be5 Rd5 35.Bg7 Kg7 36.Bd5 Kh6 37.g4+–) 1–0. smurilo – pierre, ChessHere.com, 2006.

7.d4 g6 8.Nbd2 (8.b5 b6+=) 8...Bg7 (8...ab4 9.ab4 Ra1 10.Ba1+=) 9.e4 (9.e3 b6=) 9...de4 10.Ne4 Ngf6 11.Ned2 (11.Nf6 Nf6 12.Bc4 0-0=) 11...0-0 12.Bd3 (12.b5 Nd5 13.Qc2 cb5 14.Bb5 Rd8=) 12...Nd5+= 13.Qb3 ab4 14.ab4 Ra1 15.Ba1 b5 (15...N7f6!?+=) 16.Bb5+= Nf4 17.Bf1 Nf6 18.g3 Nh3 (18...N4d5 19.Ne5+=) 19.Bg2 (19.Qa4 Be6+=) 19...Qa7 (19...Be6 20.Qa3=) 20.Bb2 (20.Qb2 Be6 21.Ne5 Ra8+=) 20...Be6 21.Nc4 Ne4 22.Bh3 Bh3+/– 23.Nfe5 Be6 24.Nc6+– Qd7 25.b5 Nc5 26.dc5 Bb2 27.0-0 Bf6 28.Qb4 h5 29.N6a5 Qd3 30.Rc1 Rd8 31.b6 Qf3 32.Ne3 Bd4 33.Qe1 h4 34.Qd1+= Qe4 35.Nb3 Be3?? 36.Qd8+– Kg7? 37.Nd2 Qe5 38.b7 hg3 39.b8Q (39.b8Q gf2 40.Kg2 Qg5 41.Kf1 Qg1 42.Ke2 Bg4 43.Nf3 Bf3 44.Kf3 f1Q 45.Rf1 Qf1 46.Ke3 Qe1 47.Kd4 Qd1 48.Kc4 Qc2 49.Kb5 Qb2 50.Kc6 Qf6 51.Kd7 Qf5 52.Ke8 Qc5 53.Qb7+–; 39.fe3?! Bd5 40.hg3 Qe3 41.Kf1 Qd2 42.Qg8 Kg8 43.b8Q Kg7+/–) 1–0. Molina Medina,Rafael – Jove Grau,Lluis, corr ESP Arboleya, 1998.

7.e3 f6 (7...e5 8.Be2=) 8.Nd4+= e5 9.Ne6 Qb8 10.Nf8 Nf8 11.Be2 Ne6 Black prepares d4 12.Nc3 (12.d4 ed4 13.Bd4 Nd4 14.Qd4 ab4 15.ab4 Ra1 16.Qa1 Qe5=) 12...Ne7= 13.0-0 0-0 14.Bg4 f5 15.Be2 d4 16.Na4 Rd8 (16...ab4 17.ab4 Nd5 18.Bc4+–) 17.Nb6+– Ra7 18.ed4 (18.Bc4!? Nd5 19.Qb3+–) 18...Nd4+= 19.Bd4 Rd4 20.d3 (20.Bc4 Nd5=) 20...ab4 21.ab4 Ra1 (21...Rb4 22.Qd2 Ra1 23.Ra1+–) 22.Qa1 e4?? (better 22...Be6=+) 23.Qd4+– (23.Qd4 Be6 24.de4+–) 1–0. Markzela (1780) – Tea_Rex_64 (1740), lichess.org, 2020.

8.Nc3 e5 9.d4 e4 10.Nd2 Be7 11.b5 0-0 12.b6 Qb8 13.Be2 h6 14.Na4 Nh7 15.Bc3 f5 16.Nb3 f4 17.Na5 fe3 18.fe3 Bh4 19.g3 Bg5 20.Kd2 Ndf6 21.h4 Be3 22.Ke3 Qg3 23.Kd2 e3 24.Kc1 Ne4 25.Qe1 Nc3 26.Qc3 Nf6 27.Qb4 Ne4 28.Nc3 Nf2 29.Rf1 Bh3 30.Kc2 Bf1 31.Rf1 Qg6 32.Kb2 Nd3 33.Bd3 Qd3 34.Rd1 Rf2 35.Ka1 Rf1 36.Rf1 Qf1 37.Kb2 e2 38.Ne2 Qe2 39.Kc1 Qf1 40.Kc2 Re8 0–1. Junge – Grosch, corr DDR.

8.d4 ab4 9.ab4 Ra1 10.Ba1 g6 11.Be2 Bg7 12.Nbd2 0-0 13.0-0 Ne8 14.Qb3 e5 15.de5 Ne5 16.Ne5 Be5 17.Nf3 Bg7 18.h3 Be6 19.Bg7 Ng7 20.Qb2 ½–½. Cafferty,B (2130) – Snape,I (2225), Hastings Masters, 2011. (=1.Nf3 Nf6 2.b4 c6 3.Bb2 Qb6 4.a3 a5 5.c4 d5 6.c5 Qc7 7.e3 Nbd7)

8.d4 b6 9.Nc3 bc5 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.bc5+= e6 (10...e5 11.Ne5 Ne5 12.de5=) 11.Bd3 Be7 12.0-0 Ba6 13.Rb1 (13.Ba6 Ra6 14.Rb1 0-0=) 13...0-0 14.Ba6 Ra6 15.Ne2 (15.Qe2 Raa8+=) 15...Ne4 (15...Rb8 16.Qd3 Ra7 17.Bc3=) 16.Qc1 (16.Qd3 Rfa8=) 16...Rb8 17.Qc2 Ra7 18.Bc3 Rab7 19.Rb7 Rb7 20.Rb1 Rb1 21.Qb1 e5 22.Be1 g6 (22...ed4 23.ed4 a4 24.Qc2=) 23.Qc2 Ng5 (23...ed4 24.ed4 Bf6 25.Nd2+=) 24.Ne5 Ne5 25.de5 Ne6 26.Nd4 Nc5 27.h3 Qb6 (< 27...Qe5 28.Nc6 Qf6 29.Ne7 Qe7 30.Ba5+/-) 28.Kh2 Bh4 29.Kg1 Bg5 30.a4 Bh4 31.Kf1 (31.Bc3 Ne4 32.Be1 c5+=) 31...Bd8 32.f4 Kf8 33.g4 Ke8 (33...h6 34.Kg2 Ke8 35.Bc3=) ½-½. Hirtreiter - Fischer,D, corr SOK-90-64, 1990.

8.d4 b6 9.Bd3 =.

8.d4 g6 9.b5+= cb5 10.Bb5 Bh6 (10...Bg7 11.Qb3+/-) 11.0-0 0-0 12.Nc3 e6 13.Re1 Bg7 14.Rb1 h6 15.Qe2 Rb8 16.Bd3 (16.Ba4 Rd8+/-) 16...b6+= 17.Nb5 Qb7 (17...Qc6 18.cb6 Qb6 19.a4+=) 18.Nd6 (18.Rec1 Qc6+/-) 18...Qc6 (18...Qc7 19.Nc8 Rfc8 20.Ba6+=) 19.Nc8 (19.Ne5!? Ne5 20.Bb5+/-) 19...Qc8+= 20.cb6 Nb6 21.Nd2 (21.Rec1 Qe8+=) 21...Na4+= 22.Ba6 (22.Bb5 Nb2 23.Rb2 Qc7+=) 22...Qc7 23.Ba1 (23.Bb5 Nb2 24.Rb2 Rb6=) 23...Nc3 24.Bc3 Qc3 25.a4 e5 (25...Rb1 26.Rb1 Qc2 27.Ra1=) 26.Rbc1+= Qb2 27.de5 Qe5 28.Rc5 Rb2 29.Rd1 Qd6 30.Rdc1= Rd2 31.Qd2 Qa6 32.Ra5 Qd6 33.Rc4 Rd8-/+ 34.Rf4 Ne4-+ 35.Qe2 Qc7 36.Qa6 Bc3 37.Rb5 Be5 38.Rb7 Qc1 39.Qf1 Qf1 40.Kf1 Bf4 41.ef4 Ra8 42.Rb5 Ra4 43.Rb2 Nc3 44.Rb8 Kg7 45.g3 d4 46.Rc8 Kf6 47.Rc6 Kf5 48.h4 Ne4 49.Rc7 Ra2 50.Rf7 Kg4 51.Rg7 d3 52.Rg6 Kh3 53.Ra6 Ra6 54.f5 Ra1 0-1. EXchess 3.11 - Crafty 19.01, 2005.

8.Be2 ab4 9.ab4 Ra1 10.Ba1 b6 =.

7.d4 ab4 8.ab4 Ra1 9.Ba1 Bf5 10.e3 Nh6 11.Bd3 Bd3 12.Qd3 Nd7 13.0-0 +=. Stabenow,Juergen – Otto, corr (year?).

7.d4 Bg4 8.Nbd2 ab4 9.ab4 Ra1 10.Qa1+=.

7.d4 Bg4 8.Nbd2 Nd7 9.Qc2 (9.h3 Bf3 10.Nf3 e5+=) 9...e6 (9...ab4 10.ab4 Ra1 11.Ba1+=) 10.e4 Be7 (10...ab4 11.ed5 cd5 12.ab4 Ra1 13.Ba1+=) 11.b5 (11.ed5 cd5 12.Bd3 e5 13.de5 ab4 14.Bh7 Bf3 15.Nf3 Ne5 16.Bg6 Kd8 17.Ne5 fe5 18.ab4 Ra1 19.Ba1 Bf6+–) 11...Nh6 (11...de4 12.Qe4 Bf5 13.Qe2+=) 12.ed5 (12.h3 Bf3 13.Nf3 Nf7+–) 12...ed5+= 13.b6 (13.Bd3 cb5 14.Qb3 a4 15.Qd5 0-0-0 16.Bb5 Ne5+–) 13...Qc8 (13...Qf4!?+=) 14.Bd3+– Nf8 15.0-0-0 (15.0-0 Bf5+–) 15...Kf7 (15...Bf5 16.h4+=) 16.h3 (16.Rde1 Bf5+–) 16...Bh5 (16...Bf5 17.Bf5 Qf5 18.Qf5 Nf5 19.g4+–) 17.Rde1 Bg6 18.g4 Ne6 (18...Bd3 19.Qd3 Ng6 20.Qc2+=) 19.Bg6 hg6 20.Qd3 (20.Bc3 Nf4+–) 20...Re8 (20...g5 21.Qe3+=) 21.Nh4 (21.g5 Nf4 22.Qc2 Nf5+–) 21...Nf4 22.Qf3 g5 23.Ng2 Ng6 24.Re2 Qd7 25.Rhe1 Bf8 26.a4 (26.Bc3 Re2 27.Re2 Kg8+–) 26...Re2 27.Qe2 Ng8 (27...Kg8 28.Bc3+–) 28.Nf1 (28.Bc3 N8e7+–) 28...f5 (28...N8e7 29.Kb1+–) 29.Ng3 (29.gf5 Qf5 30.Nge3 Qh3+=) 29...f4 30.Nf1 (30.Qf3 Re8 31.Bc3 Re1 32.Be1 Ke8+–) 30...Nf6+= 31.f3 (31.Nd2 Re8 32.Qd3 Nh4 33.Re8 Qe8 34.Nh4 Qe1 35.Kc2 gh4+=) 31...Be7 (31...Re8 32.Qf2+=) 32.Kc2 (32.Nd2 Rh8+=) 32...Rh8= 33.Nd2 (33.Bc3 Rh3 34.Ba5 Ng4 35.fg4 f3=+) 33...Rh3 34.Rg1 (34.Bc3 Rh2=) 34...Qe8 (34...Ke8 35.Bc3=+) 35.Ne1 (35.Re1 Kf8=) 35...Qh8=+ 36.Nb3 Qf8 (36...Rh2 37.Rg2 Rh1 38.Na5=) 37.Bc3 Nd7 (37...Qa8 38.Nd3=) 38.Nd3 Nh4 39.Rf1 (39.Na5 Rf3 40.Bd2 Rh3+=) 39...Rg3 (39...Bf6 40.Be1=) 40.Rf2 (40.Be1 Rg2 41.Rf2 Rf2 42.Bf2 Ng6=) 40...Qa8 (40...Bf6=) 41.Na5 (better 41.Ne1+=) 41...Nf6?? (better 41...Bf6=+) 42.Ne5+– Kf8 (42...Kg8 43.Nec6! Bd8 44.Qe6 (44.Nd8?! Qd8 45.Nb7 Qd7+–) 44...Kh7 45.Ne5+–) 43.Nec6+– bc6 (better 43...Ng6 44.Ne5 Qe8+–) 44.b7 Do you see the mate threat? 44...Qe8 45.Nc6 Nd7 (45...Qc6 Theme: Deflection from b8 46.b8Q) 46.Qe7 Qe7 47.Ne7 Ke7 48.c6 (48.c6 Rg2 49.Bb4 Kd8 50.Rg2 Ng2 51.cd7 Ne3 52.Kd3 Nc4 53.b8Q Kd7 54.Qb7 Kd8 55.Qd5 Kc7 56.Qc4 Kd7 57.Qa6 Kd8 58.Qb7 g6 59.a5 Ke8 60.Qe7) 1–0. Helbich,Jan Sr – Pikulik,Martin, Brno Lang mem–B 6th, 1986.

7.d4 Bg4 8.Nbd2 e6 9.e3 Nd7 10.Bd3 Ne7 11.Qc2 Bf5 (11...ab4 12.ab4 Ra1 13.Ba1+=) 12.e4 (12.Bf5 Nf5 13.0-0 b6+/-) 12...Bg6 (12...de4!? 13.Be4 ab4 14.ab4 Ra1 15.Ba1 Qf4+=) 13.0-0+/- de4 14.Ne4 Nd5 15.Rfe1 (15.Nc3 Bd3 16.Nd5 ed5 (16...Bc2?? 17.Nc7 Kf7 18.Na8+-) 17.Qd3 Kd8+/-) 15...Be7 (15...ab4 16.Nh4 ba3 17.Ba3=) 16.Nd6 (16.Nc3!? Bd3 17.Nd5 Qh2 18.Kh2 Bc2 19.Nc7 Kf7 20.Na8 Ra8 21.ba5 Ra5 22.Bc3+=) 16...Bd6= 17.Bg6 hg6 18.Qg6 Kf8 19.cd6 Qd6 20.Re4 (better 20.ba5!? Ra5 21.a4=) 20...Rh6-/+ 21.Qg3 Qg3 22.hg3 Kf7 (22...ab4 23.Re6 Kf7 24.Re4-/+) 23.Rae1 (23.ba5 Ra5 24.Rae1 Nf8=+) 23...Re8 (better 23...ab4!? 24.ab4 Rah8-+) 24.ba5=+ Rh5 (24...g5!?=+) 25.g4 Rhh8 26.g5 Nb8 27.gf6 gf6 28.R4e2 Rhg8 (28...Na6 29.Bc1=) 29.g3 (29.Bc1 Re7+=) 29...Na6 30.Rc2 (30.Nd2 Nf4 31.Re4 Nd3+=) 30...Rg4 (30...Ra8 31.Rb1=) 31.Nd2 Reg8 32.Ne4 Ke7 33.Rce2 f5 (33...Ra8 34.a4+=) 34.Nd2 (34.Nc5!? Nc5 35.dc5+/-) 34...R4g6 35.Nc4 Nac7 (35...f4 36.Ne5 R6g7 37.g4+=) 36.Ne5 Rh6 (better 36...R6g7+=) 37.Kg2?? (better 37.Bc1 Rh4 38.a6 ba6 39.Nc6 Kd6 40.Nd8+/-) 37...Nf4-/+ 38.Kf3 Ne2 39.Re2 Nd5 40.Nc4 (40.a6 ba6 41.Nc6 Kf6-/+) 40...Ra8 41.Nd2 (better 41.Bc1!? Rh1 42.Bg5 Kd7 43.Bd2-/+) 41...Ra5-+ 42.Nb3 (42.Nc4 Ra4 43.Ne5 Rh1-+) 42...Rb5 43.Nc5 b6 44.Nd3 (44.Bc1 Rg6 45.Nd3 Rb3-+) 44...Rb3 45.Rd2 c5 (45...Rh2 46.Ke2 Nf6 47.Bc1-+) 46.Ke2 (46.dc5 bc5 47.Ke2 c4-+) 46...c4 47.Ne5 (47.Nc1 Rb5 48.Rc2-+) 47...c3 48.Bc3 Nc3 49.Kd3 (49.Kf1 Ra3 50.Rb2 b5-+) 49...Nd5 (better 49...Ne4 50.Kc2 Nd2 51.Kd2-+) 50.Kc2 Rc3 (50...Ra3 51.Kb2 Ra4 52.f3-+) 51.Kb2 Rh8 (51...Rh2 52.g4-+) 52.Rd1?? (52.Ng6 Kf6 53.Nh8-+) 52...Rhc8 (better 52...Rh2 53.Rd2-+) 53.Rh1 (53.Rd2 Ra8 54.Rd3 Raa3 55.Rc3 Rc3 (55...Nc3?! 56.Ka3 Ne4 57.Nd3=+) 56.Ng6 Kd6-+) 53...Rc2 54.Kb3 (54.Kb1 Rf2 55.Nd3 Nc3 56.Kc1 Rg2-+) 54...R8c3 55.Ka4 Rb2 56.Rh7 (56.Ng6 Kd6 57.Ne5 b5 58.Ka5 Ra3) 56...Ke8 (56...Kf8 57.Rh8 Kg7 58.Rg8 Kg8 59.g4 b5 60.Ka5 Ra3) 57.Rh8= Ke7 58.Rh7 Kd8 (58...Kf8 59.Rf7 Kg8 60.Rf8 Kf8 61.Nd7 Ke7 62.Nb6 Nb6 63.Ka5 Ra3) 59.Rd7 (59.Nc6 Rc6 60.Rh8 Ke7 61.Rh7 Kd6 62.Rd7 Kd7 63.g4 Rc4) 59...Kc8 60.Rd6 (60.Rd8 Kd8 61.Nf7 Ke7 62.Nd6 Kd6 63.g4 Rc4) 60...Rc4! 61.Nc4 (61.Nc4 Nc3 Mate attack) 61…Nc3 0-1. pacal56 (2210) - orbit_zapter (2170), Rated Blitz game, lichess.org, 2015.

7.e3 e5 8.d4 e4 9.Nfd2 f5 (9...b6 10.cb6 Qb6 11.b5=) 10.Nc3 (10.b5 b6+=) 10...Nf6 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.Qb3 (11.b5 Be7+=) 11...Be7 (11...ab4 12.ab4 Ra1 13.Ba1=) 12.b5 0-0 13.b6 Qd8 14.0-0-0? (14.Qc2 Nfd7=) 14...Be6 (better 14...Ng4 15.Rg1 Nf2–/+) 15.Be2 Nbd7 16.Rdf1 g5 (16...Qe8 17.h4=) 17.Kb1 Qe8 18.Qc2 Qg6 19.g3 Ng4 Black intends f4 20.Ka2 (20.h3 Ngf6+=) 20...f4 (better 20...Nc5!? 21.h3 Nh6 22.dc5 d4 23.Bc4 dc3 24.Qc3 A) 24...Bc5? 25.Nb3 Bc4 26.Qc4 Qf7 27.Qc3+– (27.Qc5?! a4=); B) 24...Rfd8+=) 21.gf4+– gf4 22.Bg4 Bg4 23.h3 (better 23.Rfg1 fe3 24.fe3 Qg5+–) 23...Bf3?? (23...fe3 A) 24.hg4?! ed2 25.Qd2 Rf3= (25...Qg4?? 26.Rfg1 Qg1 27.Rg1 Kf7 28.Qh6+–); B) worse 24.fe3 Rf1 25.Rf1 Bh3=+; C) 24.Rhg1 Bh3 25.Rg6 hg6 26.Rg1 ef2 27.Rg6 Kf7 28.Rh6+=) 24.Rhg1 (24.Nf3 ef3 25.Rhg1 Bg5+–) 24...Bg5?? (better 24...Bg2+=) 25.h4+– h6 (25...Kh8 26.Rg5 Qf7 27.Nf3 ef3 28.e4+–) 26.hg5 (26.Nf3 Kf7 27.Ne1 fe3 28.hg5 ef2 29.Rf2 Ke8+–) 26...hg5 (26...Kh7+–) 27.Nf3 ef3 (27...g4+–) 28.Qg6 (28.Qg6 Kh8 29.Rh1) 1–0. BeepBeepImAJeep (2530) – fuglfonix (2155), lichess.org, 2019.

7.e3 e5 8.Be2 ab4 9.ab4 Ra1 10.Ba1 b6 (10...e4 11.Nd4 b6=) 11.0-0 (better 11.d4!?=) 11...bc5–/+ 12.bc5 Bc5 13.d4 Bd6 14.de5 (14.e4 de4 15.de5 Bc5=) 14...fe5 15.Qa4 (15.h3 Nf6–+) 15...Ne7 (15...e4!? 16.Nd4 Bh2 17.Kh1–+) 16.Nc3 (16.e4 0-0–/+) 16...0-0 (16...e4 17.Nd5 Nd5 18.Qe4 Qe7 19.Qe7 Ke7 20.Bg7–/+) 17.e4 (17.Qa2 Kh8 18.Rc1 Qd7–/+) 17...d4 18.Na2 (18.Nb1 Ng6–/+) 18...Kh8 19.Nb4 c5 20.Nd3 (20.Na2 Ng6–+) 20...Qc6 (20...c4 21.Rc1 Be6 22.Ng5–+) 21.Qc6 Nbc6 22.Rc1 Ba6 23.Kf1 (23.Bf1 c4 24.Nb2 Na5–+) 23...c4 24.Nde1 (24.Nb2 d3 25.Bd1 Rb8–+) 24...d3 25.Bd1 d2! 26.Nd2 c3 27.Nc4 Bc4 28.Kg1 Bc5 29.Nf3 (29.Bf3 Nc8 30.Bc3 Nd6–+) 29...Bd4 (29...Rf4!? 30.Rc3 Re4 31.Bc2–+) 30.Bc3 Rb8?? (better 30...Bd3 31.Bc2 Be2 32.Nd4 Nd4–+) 31.Bd4=+ ed4 32.Rc4 Rb1 33.Kf1 Rd1 34.Ke2 Ra1 35.Nd4 Ne5 (35...Nd4 36.Rd4 Kg8 37.f4=+) 36.Rc7 Ng8 (36...Ra2 37.Ke3 Ra3 38.Kd2=) 37.Nf5 (37.f4 Ra2 38.Nc2 Ng4=+) 37...g6 (better 37...Ra2 38.Kf1 Nd3–/+) 38.Nd4? (38.Nd6 Ra6 39.Nc4 Ra2 40.Nd2–/+) 38...Ra4–+ 39.Ke3 (39.Rc5 Ng4 (39...Rd4?! 40.Re5 Nf6 41.Ke3–/+) 40.Nf3 Re4 41.Kf1 Rb4–+) 39...Ng4 40.Kd3 (40.Kf4 Nf2 41.Rc2 g5 42.Kf3 Rd4 43.Rf2 Nf6–+) 40...Nf2 41.Ke3 Ng4 42.Kd3 Nh2 0–1. tsodikovich (1805) – timwhiffler (1685), gameknot.com, 2017.

5.Qa4 e5 =.

5.Qb3 Na6 6.b5 Nc5 7.Qc2 a4 (7...cb5 8.d4 Na4 9.e4=+) 8.Nc3= Nb3 (8...e5 9.Rb1=) 9.Rb1+= cb5 10.cb5 Be6 11.e3 Nc5 (11...Nf6!?+=) 12.d4+/- Bb3 (12...Nb3+/-) 13.Qd2 (better 13.dc5 Bc2 14.cb6 Bb1 15.Nb1+-) 13...Ne6 14.Nge2 g6 (better 14...Bc4!?+=) 15.Nc1 Bg7? (better 15...Nf6+/-) 16.Nb3+- ab3 17.Bc4 (17.d5!? Nc5 18.Na4 Ra4 19.Bg7 Ne4+-) 17...Nc7 18.a4 Nf6 19.Bb3 0-0 20.0-0 e6 21.Rfc1 d5 22.Ba3 Rfd8 23.Bc5 Qa5 24.f3 (24.Rc2 Rdc8+-) 24...Nce8 (24...b6 25.Be7 Rd7 26.Bf6 Bf6 27.Rc2+/-) 25.Rc2 Nd6 26.Na2 (better 26.Rbc1+/-) 26...b6? (better 26...Qd2 27.Rd2 Nc4+=) 27.Qa5+- Ra5?? (27...ba5 28.g4 h6+-) 28.Bb6 (28.Bb6 Raa8 29.Bd8 Rd8 30.Nb4+-) 1-0. carlos78 (2195) - Cliquot (2025), Rated Blitz game, lichess.org, 2015.

5.Qb3 Na6 6.Bc3 ab4 (6...Nc5!? 7.Qb2 Na4-/+) 7.ab4=+ Nc5?? (7...Nf6 8.Qb2=) 8.Qb2?? (better 8.Ra8 Nb3 9.Rc8 Kd7 10.Rf8+-) 8...Ra1=+ 9.Qa1 Ne4 10.e3 Nc3 11.Qc3 (11.Nc3 Qb4 12.Nf3 Qb6=) 11...Nf6 12.d3 White prepares the advance c5 12...e5 13.Nf3 d5 (better 13...Be7!?-/+) 14.c5= (worse 14.Qe5 Be7 15.cd5 Qb4 16.Nbd2 Nd5 17.Qg7 Bf6=+) 14...Qc7 15.Qe5 Qe5 16.Ne5 Ng4 17.Ng4 Bg4 18.d4 Be7 19.Bd3 Kd7 20.b5 Ra8 21.b6 Be6 22.0-0 (worse 22.Bh7 g6-/+) 22...Ra1 23.Nd2 Rf1 (23...Ra3!? 24.Nf3 Bf6 25.Bh7 g6=) 24.Kf1+/- g6 25.Nb3 Bg5 26.Na5 Kc8 27.Ke2 h5 28.h3 Bf6 29.Kf3 Bg7 30.g4 hg4 31.hg4 Bh6 32.Kg3 Bg5 33.f4 Bf6 (33...Be7 34.g5 Bd7 35.Nb3+-) 34.g5+- Bg7 35.Be2 Kb8 36.Bg4 Bg4? (better 36...Bc8+-) 37.Kg4 Kc8 (37...f5 38.gf6! Bf6+-) 38.f5 gf5 (38...Bf8 39.f6 Kb8+-) 39.Kf5 Bh8 (39...f6 40.gf6 Bf8 41.Kg6+-) 40.Nb3 Kd7 41.Nd2 (better 41.Nc1 Ke7 42.Nd3 Kd7+-) 41...Ke7 42.Nf3 Bg7 (42...f6 43.g6 Bg7+-) 43.Ne5 1-0. ZibbitVideos (2255) - kekss5 (2230), Rated Blitz game, lichess.org, 2015.

5.Qb3 Nd7 6.d4 ab4 7.ab4 Ra1 8.Ba1 c5 (8...Ngf6 9.Nf3=) 9.Nf3 cb4 (9...Qb4 10.Qb4 cb4 11.e4=) 10.Bb2 (10.e4 Qa5 11.Bb2 e5+=) 10...Qa5 (10...Ngf6 11.Nbd2+=) 11.e4 Nb6 (11...e5 12.Be2+=) 12.Bc1 Qa4 13.Qb2 Nf6 (13...f5 14.e5+=) 14.Bd3 Be6 (14...Bg4 15.0-0+=) 15.Nc3 (15.Nbd2 g6+=) 15...Qc6 (15...bc3 16.Qb6 Qc6 17.Qb3+/-) 16.d5+/- bc3 17.Qb3 (17.dc6?? cb2 18.Be3 Nc4 (18...bc6?! 19.Bb6 Bc4 20.Kd2 Bd3 21.Kd3-+) 19.cb7 Nd7-+) 17...Qc7 18.de6 fe6 19.Ng5 Nbd7 (19...Qc6 20.0-0 Nbd7 21.Ne6 Ne4 22.Qc2+/-) 20.Ne6 Qa5 (20...Qb6 21.Qc3 Nc5 22.Nc5 Qc5 23.0-0+/-) 21.0-0 Ne5? (better is 21...Nc5!? 22.Nc5 Qc5+-) 22.Bc2+- b6 (22...Ned7 23.Be3 g6 24.f4+-) 23.Be3 Kd7 (23...Ned7+-) 24.Bb6 Qa6 25.c5 Qc4 (25...h6 26.f4 Qc4 27.fe5 Qb3 28.Bb3+-) 26.c6! Ke6 (26...Qc6 27.Nd4; 26...Kc6 27.Qc4; 26...Nc6 27.Nf8) 27.c7 Kd7 28.Qa4 Qc6 29.Qa7 Ke6 30.Bb3 (30...d5 31.Qb8+-; 30.Qb8 Kf7 31.c8Q Qb5+-) 1-0. pierre (2045) - Garfield85 (1840), internet, 2006.

5.Qb3 Nd7 6.d4 c5 7.Nc3 (7.Nf3 ab4 (worse 7...cb4 8.ab4 Ra6 9.b5+–) 8.ab4 Ra1 9.Ba1 Ngf6=) 7...ab4 8.Nd5 (8.Na4 Qc6 9.ab4 cd4 10.Bd4 e5=) 8...Qd8 (better 8...Qa5!? 9.dc5 ba3 10.Bc3 Nc5–/+) 9.ab4= Ra1 10.Ba1 e6 11.Ne3 Ngf6 12.Nf3 cb4 13.Qb4 d5 14.c5? (better 14.Qb5!?=) 14...b6–/+ 15.Ne5 (15.Qa4 bc5 16.Bc3 Qb6–+) 15...bc5 16.Qa4 cd4 (16...Qb6 17.Nd1–+) 17.Bd4 Bd6 18.Nd3 0-0 19.g3 e5 20.Nf5 Bc7 (20...ed4?! 21.Nd6 Nb6 22.Qb4–/+) 21.Bc3? (21.Ba7–+) 21...Nb6 22.Nh6 gh6 23.Qh4 Nc4 24.Qh6 (24.Bb4 Ba5 25.Qh6 Ng4–+) 24...Ba5 25.Qg5 Kh8 26.Qc1 (26.Bb4 Bb4 27.Nb4 Qb6–+) 26...d4 (better 26...Ne4!? 27.Bg2 Bc3 28.Kf1–+) 27.Bb4 Be6 28.Bg2 (28.Qa1 Qa8 29.Ba5 Qh1–+) 28...e4 (28...Bb4 29.Nb4 Qa5 30.0-0 Qb4 31.Qg5–+) 29.Be4 (29.0-0 ed3 30.Ba5 Qa5 31.ed3 Nd2–+) 29...Ne4 30.0-0 Nc3 (30...Bb4 31.Nb4 Qf6 32.Nd3–+) 31.Qc2 (31.Bc3 Bc3 32.Qh6 Qe7–+) 31...Bb4 32.Nb4 Bh3 (better 32...Qe7 33.Nd3 Bf5 34.Re1–+) 33.Ra1 (33.Re1–+) 33...Qa8! 34.Ra8 (34.Ra8 Ra8 Combination) 34...Ra8 35.f3 (35.Na2 Ra2 36.Qa2 Na2 37.f3–+) 35…Ra1 (35...Ra1 36.Qd1 Rd1 37.Kf2 Rf1) 0–1. Vallejos,Jose Antonio – Nery Junior,Jose Antonio, Brazil Carnaval Open, 2018.

5.Qb3 Nd7 6.d4 Ngf6 7.f3? (7.Nd2 ab4 8.ab4 Ra1 9.Ba1 Qa7=) 7...g6 (7...c5 8.e3-/+) 8.e4 (8.Nd2 Bh6-/+) 8...Bg7 (8...ab4 9.Ne2-/+) 9.Nd2 e5 (better 9...Bh6-/+) 10.c5+/- dc5 (10...a4 11.Qa2 A) 11...dc5? 12.Nc4 Qc7 13.de5 Ne4 14.Nd6 (14.fe4?! 0-0+/-) 14...Nd6 15.ed6 Qd6 16.Bg7+-; B) 11...Qa7+/-) 11.dc5?? (better 11.Nc4 Qc7 12.de5 Ne4 13.Nd6 Nd6 14.ed6 Qd6 15.Bg7+/-) 11...Qc7 (11...Qd8 12.Nc4 0-0 13.Rd1=) 12.Nc4 0-0 13.Na5? (better 13.Bd3=) 13...Nc5-/+ 14.Qc3 Ncd7 (14...Nfd7!? 15.a4 Ne6-/+) 15.Ne2 Nh5 (15...Re8 16.Rd1-/+) 16.g3 (16.g4 Nhf6=+) 16...Re8 (16...c5 17.Rd1-/+) 17.Bg2 c5 18.0-0 Qb6 (18...Nb6 19.Qc2=+ (worse 19.Qc5 Qc5 20.bc5 Na4-/+; 19.bc5?? Na4 20.Qc2 Ra5-+)) 19.Kh1= cb4 20.ab4 Nf8?? (20...Qb5 21.Nc4 Ra1 22.Ra1=) 21.Qc5 (better 21.Nc4 Ra1 22.Nb6+- (22.Ra1?! Qc7+/-; 22.Ba1?! Qd8+=)) 21...Qc5= 22.bc5 Ne6 23.Nc3 Nc5 24.Nb5 (24.Nd5 Rd8=) 24...b6 (24...Rd8!?=+) 25.Nc7= Ra5? (25...Ba6 26.Na8 Bf1 (26...ba5? 27.Nc7 Rb8 28.Na6 Na6 29.Bc3+-) 27.Nb6 Be2=) 26.Ne8+- Rb5? (better 26...Bf8 27.Be5 Bd7+-) 27.Ra8?? (better 27.Ng7 Kg7 28.Be5 Nf6 29.Rfb1+-) 27...Bb7?? (better 27...Rb2 28.Rc8 Bf8+/-) 28.Nf6 1-0. Lance5500 (2605) - puppyluvr420 (2715), lichess.org, 2015.

5.Qb3 Nd7 6.e3 Ngf6 7.Nc3 e6 8.Nf3 Be7 9.d4 0-0 10.Be2 (10.Bd3 ab4 11.ab4 Ra1 12.Ba1 e5+=) 10...c5= 11.b5 e5 (11...cd4 12.ed4 Re8 13.Na4+=) 12.Na4 Qc7 13.dc5 (13.b6 Qb8+=) 13...Nc5= 14.Nc5 Qc5 15.a4 h6 (15...Bg4 16.Ba3 Qc7 17.b6=) 16.Ba3 Qc7 17.Rd1 Be6 (17...b6 18.Nd2=) 18.0-0 (18.b6!? Qc6 19.Ne5 de5 20.Be7 Qg2 21.Rf1=) 18...Rac8 19.Rc1 Ne4 20.Qb2 f5 21.Rfd1 Nc5 22.Bc5 Qc5 23.Nd2 e4 24.Nb3 Qb4 The pressure on the backward pawn c4 grows 25.Qa2 f4 (25...Bf7!?=) 26.Nd4+= Bd7?? (26...Bf7 27.Nf5 Rc7 28.ef4 Be6 29.Ne7 Re7+/-) 27.c5+- Kh8 28.cd6 (better 28.Rc4 fe3 29.fe3 Qc4 30.Bc4 (worse 30.Qc4 Rc5 31.Qb3 Bg5+-) 30...Rc5 31.Be6+-) 28...Qd6 (28...Rc1!? 29.Rc1 Bd6=) 29.Nc6 Qe6?? (better 29...Qa3 30.Qa3 Ba3+=) 30.Qe6+- Be6 31.Ne7 Rce8 (31...Rc1 32.Ng6 Kg8 33.Rc1+-) 32.Ng6 (32.Ng6 Kh7 33.Nf8 Rf8 34.Rd4 fe3 35.fe3+-) 1-0. carlos78 (2180) - Cliquot (2040), Rated Blitz game, lichess.org, 2015.

5.Qb3 Be6 6.e3 Nd7 7.Nf3 Nc5 8.Qc3 (8.Qc2!? ab4 9.ab4 Ra1 10.bc5 Rb1 11.Qb1 Qc5 12.Bd4=) 8...Na4=+ 9.Qb3 Nb2 10.Qb2 ab4 11.ab4 Ra1 12.Qa1 Nf6 (12...Qb4 13.Nc3 Nf6 14.Ng5=+) 13.Nc3 (13.Qa8!? Kd7 14.Qa4=) 13...Qb4=+ 14.Be2 g6 (better is 14...Bf5=+) 15.0-0+– Qb6 (15...Bc4? 16.Rb1 Bb3 17.Nd4+–) 16.Rb1 (16.Qa8 Kd7 17.Rb1 Bg7 18.Qb7 Qb7 19.Rb7 Kc8+=) 16...Qc7= 17.Qa8 (17.Ne4 Bg7=) 17...Bc8=+ 18.Nd4 Bg7 19.Bf3 0-0 20.Qa7 ½–½. Fournier,Frederic – Godebert Florian, Train France (FRA), 1999.

5.Qb3 Nf6 6.e3 e6 7.Nc3 Be7 8.b5 0-0 9.Nf3 Nbd7 (9...e5 10.d4 e4 11.Nd2+=) 10.Na4 Qc7 11.d4 d5 (11...e5 12.Be2=) 12.b6 Qd8 (12...dc4 13.Bc4 (worse 13.bc7 cb3 14.Ne5 Bd6-/+) 13...Qd6 14.0-0+=) 13.c5+= Ne4 14.Nd2 (14.Bd3!?+=) 14...Nd2= 15.Kd2 f6 (15...e5 16.Qc2=) 16.f4 Kh8 17.Bd3 Qe8 (17...e5 18.Kc1=) 18.Qc2 Qh5 19.g4 (19.Be2 Qh6+=) 19...Qh3 (19...Qg4 20.Bh7 Qg2 21.Kc3=) 20.Rag1= e5 21.Rg3 Qh6 22.g5 fg5 23.fg5 (23.fe5!? Rf2 24.Be2=) 23...Bg5=+ 24.h4? (24.de5 Bh4 25.Rg2 Rf2 26.Rf2 Bf2-/+) 24...Be7 (better 24...Rf2 25.Be2 Bf4-+) 25.de5=+ Qh5 (25...Rf2 26.Be2 Nf8 27.Qc1=+) 26.Qc3 Rf2 (26...Nb8 27.Rhg1 g6 28.e6 Bf6 29.Qf6 Rf6 30.Bf6 Kg8 31.Rg6 hg6 32.Bg6 Qg6 33.Rg6 Kh7 34.e7+-) 27.Kc1+= Nf8 (27...Bh4? 28.e6 Nf6 29.Rgh3+-) 28.Rhg1 (28.e6 Bf6 (worse 28...Ne6 29.Rg7 d4 30.Qe1 Ng7 31.Qf2+-) 29.Qe1 Rb2=+) 28...Ng6 (better 28...Ne6!?=+) 29.Bg6 hg6 30.Rg6 (30.e4+=) 30...Rf1 (30...Qe2!? 31.e6 d4=) 31.Rf1+/- Qg6 32.e4 (32.h5 Qg4 33.e6 Be6+/-) 32...Be6 (32...Bh4 33.Rf8 Kh7 34.e6=) 33.h5 (33.ed5 Bh4 34.Qc2 (34.de6 Bg5 35.Rf4 Bf4 36.Kd1 Rd8 37.Qd4 Rd4 38.Bd4 Qd3 39.Ke1 Qd4-+) 34...Qg5 35.Kb1 cd5 36.Nc3=) 33...Qe4=+ 34.Qc2 Bg5 35.Kb1 Qh4 36.h6 (36.Ka1 Rd8=) 36...Qh6 (36...gh6 37.Bc1=+) 37.Qd1 Bf5?? (37...Kg8 38.Ka1=+) 38.Ka1 (38.Rf5 Qh7 39.Qc2 Qh1 40.Ka2 Qh7+-) 38...Re8?? (better 38...Qg6=) 39.Rf5+- Qe6 (39...Kg8+-) 40.Qh5 (40.Qh5 Bh6 41.Qf7+-) 1-0. carlos78 (2180) - Cliquot (2045), Rated Blitz game, lichess.org, 2015.

5.Qb3 Nf6 6.e3 g6 7.Bf6 (7.Nc3!?=) 7...ef6=+ 8.Qb2 d5 (better 8...Nd7!? 9.b5 Bg7=+) 9.Qf6+= Rg8 10.c5 (10.ba5 Qc5 11.Qc3 Qa5 12.cd5 Bg7 13.Qa5 Ra5+=) 10...Qc7 (better 10...Nd7!? 11.cb6 Nf6=+) 11.Qb2+= Bg7 12.d4 Bf5 13.Nd2 Nd7 14.Ngf3 b6 (14...Bf6 15.h3=) 15.Be2 ab4 (15...bc5 16.bc5 Nc5 17.Rc1+=) 16.ab4+= Ra1 17.Qa1 bc5 18.bc5 Ke7 19.Qc1 (19.0-0 Bf6+/-) 19...Rb8 20.0-0 Kf8 21.Qc3 Kg8 22.Bd3 Bg4 23.h3 Bf3 24.Nf3 h6 25.Ra1 Kh7 26.Qa5 Qb7 27.Qa7 Bf6 (27...Qc8 28.Rb1 Rb1 29.Bb1+-) 28.Qb7 Rb7 29.Ra8 Kg7 (better 29...Nb8+-) 30.Rc8 Nb8 31.Bc2 1-0. carlos78 (2200) - Dante95 (2075), Rated Blitz game, lichess.org, 2015.

5.Qb3 Nf6 6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Na6 9.Bc3 g6 10.e3 Bg7 11.d4 0-0 (better 11...Ne4=+) 12.c5?? (12.Nbd2!?=) 12...Qc7 (better 12...dc5!? 13.Ba6 Qa6 (13...ba6?! 14.dc5 Qb5 15.Na3-/+) 14.bc5 Be6-+) 13.Ba6 ba6 14.0-0 Be6 15.Qa3 Bc4 16.Rc1 Bb5 17.Be1 Ne4 18.Nfd2 Nd2 19.Bd2 e5 20.de5 Be5 21.Bc3 dc5 22.Be5 Qe5 23.bc5 Rd8 24.h3 Rd5 25.Qb4 h5 26.Nd2 (26.h4=+) 26...Rd3 (better 26...a5 27.Qe4 Qb2-/+) 27.Nf3= Qd5 28.Nd4 Qa2 29.Rc2?? (29.Qe1 Rd2=) 29...Qa1 (better 29...Rd4 30.Qd4 Qc2 31.Qd8 Kh7-+) 30.Kh2= a5 Black prepares the advance a4 (30...Kg7 31.h4=) 31.Qb2+= Qb2 32.Rb2 Rc3 33.Nb5 cb5 34.Rb5 a4 35.Ra5 a3 36.Kg3 Kg7 37.Ra6 Rc5 38.Ra3 Rc4 39.Kf3 Rc5 40.Rd3 Rc4 41.Rd4 Rc2 42.g4 hg4 43.hg4 Rc5 44.Rd7 Rc2 45.Kg3 Kf6 46.f4 Rc3 47.Kf3 Ke6 48.Ra7 Rb3 49.Ra6 Ke7 50.f5 gf5 51.gf5 Rb4 52.e4 Rb3 53.Kf4 Rb1 54.Ke5 (54.Ra7 Kf8+/-) 54...Rb5 (54...f6 55.Kf4+=) 55.Kf4 Rb1 56.Ra7 Kf6?? (better 56...Kf8+/-) 57.e5+- Kg7 58.e6 Rf1 59.Ke5 Re1 60.Kd4 Kf8 (60...Rd1 61.Kc3 Kf6 62.Rf7 Kg5 63.e7+-) 61.Rf7 Ke8 1-0. carlos78 (2210) - Dante95 (2065), Rated Blitz game, lichess.org, 2015.

5.b5 cb5 6.Qb3 Bd7 =.

5.Qc1 ab4 6.Nf3-/+.

5.Qc1 e6 6.e3 (6.c5 Qd8=) 6...ab4=+ 7.ab4 Ra1 8.Ba1 Qb4 9.Nf3 e5 10.Be2 f5 (10...e4 11.Nd4=+) 11.0-0 Nf6 12.d4 e4 13.Ng5 h6 14.Nh3 g5 15.c5 (15.Bc3 Qb6=+) 15...d5 (15...f4 16.Bc3 Qb3 17.d5=+) 16.f3 Qa5 17.Bc3 Qc7 (17...Qa2 18.Qe1=+) 18.fe4 Ne4 19.Bh5 Kd8 20.Nd2 Nc3 21.Qc3 Be6 (21...b6 22.cb6 Qb6 23.Rb1=+) 22.Bg6= f4 (22...Qd7!?=) 23.ef4+= Bh3 24.Qh3 Bg7 25.Nf3?? (better 25.Nb3+=) 25...Qf4-/+ (worse 25...gf4 26.Qh4 Qe7 27.Qf4+/-) 26.Qe6 (26.g3 Bd4 27.Kh1 Qe3 28.Nd4 Qd4=) 26...Nd7 (26...Rf8 27.g4 Bd4 28.Kg2 Bc5 29.Bf5-+) 27.g3 (27.Bf5!? Bd4 28.Nd4 Qd4 29.Kh1-/+) 27...Bd4-+ 28.Kg2 Nc5 29.Qf7?? (better 29.Qe1 Qe3 30.Nd4 Qd4 31.Qa5 Kc8 32.Rf7-+) 29...Qf7-+ 30.Bf7 Bf6 31.Nd2 (31.Bg6 Ke7-+) 31...Ke7 32.Bg6 Bc3 (32...b5 33.Rb1-+) 33.Nb1 Ba5 34.g4 Rf8 35.Rc1 (35.Rf8 Kf8 36.Bf5 b5-+) 35...Kd6 36.Bf5 (36.Rf1 Rf4 37.Bf5 Ne4-+) 36...h5! 37.h3 (37.gh5 Rf5 Deflection) 37...hg4 38.hg4 Ne4 39.Rh1 b5 40.Na3 (40.Rh5 Bd8-+) 40...Bb6 (40...Ke5 41.Rh7-+) 41.Nc2 b4! 42.Nb4 Kc5 (42...Bd4 43.Nc2 Be5 44.Rh6 Rf6 45.Rh5-+) 43.Nd3 Kd4 44.Nb4 c5?? (better 44...Rf6-+) 45.Rd1= Kc4? (better 45...Nd2! 46.Rd2 Kc3 47.Nd5 Kd2 48.Nb6 Ke3=) 46.Nd5+- (46.Nd5 Bd8 47.Be4+-) 1-0. zembelek (2120) - test33000 (1865), Rated Blitz game, lichess.org, 2013.

5.Nc3 Bf5 6.e3 (6.e4 Bd7+=) 6...Nd7 (6...ab4 7.Qb3=+) 7.b5 (7.e4!? ab4 8.ef5 bc3 9.Bc3=) 7...Ngf6 8.Nf3 e5 9.d3 Be7 10.Be2 0-0 11.0-0 Rfd8 (11...d5 12.Qd2=) 12.e4 (12...Bg4 13.h3 Bf3 14.Bf3+=). Seifert,J – Kross,G, corr SOK–89–48, 1989.

5.c5? dc5!? 6.Qa4 Ra7-/+.

5.c5 dc5 6.Qa4 cb4?! 7.ab4 Nf6 8.Be5=+.

5.c5 dc5 6.Qb3 ab4 7.e4-/+.

5.c5 dc5 6.Qb3 cb4 7.ab4 Be6 (7...Nf6-/+) 8.Qc2? (8.Qg3 f6 (8...Qb4?? 9.Bg7 Nf6 10.Bh8+-) 9.Ra4 Na6 10.Ra5 Rd8-/+) 8...a4 (8...Qb4 9.Bc3 Qb6 10.d4-+) 9.e3? (9.Ra4!? Ra4 10.Qa4=) 9...Bb3 (9...Qb4 10.Nf3-+) 10.Qc1 (10.Qb3 ab3 11.Ra8 Qc7=+) 10...Nf6 (10...Qb4 11.Nf3-+) 11.Nf3 e6 (11...Qb4 12.Nd4 Bd5 13.Nc3-+) 12.Bc4 (12.b5!?-/+) 12...Bc4-+ 13.Qc4 Be7 (13...Qb4 14.Qc2-+) 14.0-0 (14.Nc3 Qb4 (14...Bb4?! 15.Na4 Qb5 16.Qb5 cb5 17.Nc3 Ra1 18.Ba1=+) 15.Qb4 Bb4 16.Ra4 Ra4 17.Na4 Ke7-/+) 14...0-0 (14...Qb4 15.Qc2-+) 15.Ba3 (15.Bf6 Bf6 16.Nc3 Qa6-/+) 15...Na6 (15...Qb5 16.Qb5 cb5 17.Nd4-/+) 16.Nc3-/+ Nd5 (16...Nc7 17.Rfc1-+) 17.Rab1 (17.Na4!? Qa7 18.Nc3=+) 17...Nc3 (17...Nab4?! 18.e4 Qa6 19.Qa6 Na6 20.Be7 Ne7 21.Rb7=) 18.dc3 Rad8 (18...Rfd8 19.Qe4-+) 19.Qa2 Qc7 20.Nd4 (20.b5 cb5 21.Rb5 Ba3 22.Qa3 Rd3-/+) 20...b5 21.Rfc1 (21.c4 Qb7-/+) 21...Bf6 22.Qe2 e5 23.Nf3 Qd7 24.c4 (24.e4 Nc7-+) 24...Nc7 (24...Qd3 25.Qd3 Rd3 26.Bb2-+) 25.cb5 Nb5 26.Bb2 Qe6 27.Rc5 a3 (27...e4 28.Nd4 Nd4 29.Bd4 Bd4 30.ed4 Rd4 31.h3-+) 28.Ba1 (28.Be5 Be5 29.Ne5 Rd5=+) 28...a2 (28...e4!? 29.Ne5 Be5 30.Re5 Qd6-/+) 29.Rbc1=+ e4 30.Nd4 (30.Nd4 Bd4 31.ed4 Nd4 32.Bd4 Rd4 33.Ra5-+). ClayPigeons (2095) - Shahist_A (2005), Rated Bullet game, lichess.org, 2020.

5.c5? Qc7 6.d4 Nf6 7.Nf3 Bg4 8.e3 e6 9.Be2 Nbd7 (9...ab4 10.ab4 Ra1 11.Ba1=+) 10.0-0 Be7 11.Nc3 0-0 12.Rc1 (12.Qc2 ab4 13.ab4 b6=) 12...ab4=+ 13.ab4 d5 14.h3 Bh5 15.b5 e5 (15...cb5!? 16.Nb5 Qc6=) 16.b6+= Qb8 17.Nd2 (17.Ne5 Be2 18.Ne2 Ne5 19.de5 Ne4+=) 17...Bg6 Black prepares the advance e4 18.Ra1 e4 (18...ed4 19.Ra8 Qa8 20.ed4+=) 19.Qb3 Re8 20.Ra8 Qa8 21.Ra1 Qb8 22.Ra7 Nf8 23.Na2 Ne6 24.Nb4 Nh5 (better 24...Qc8+=) 25.Qa4 f5 26.Bh5?? (26.Ba6 Bh4 27.Rb7 (27.Bb7?! Bf2 28.Kf2 Qg3 29.Ke2 f4=) 27...Bf2 28.Kf2 Qg3 29.Ke2 Nhf4 30.Kd1 Ng2 31.Nf1 (31.Nc6?? Ne3 32.Kc1 Qe1 33.Qd1 Qd1) 31...Qe1 32.Kc2+=) 26...Bh5+= 27.g3 (27.Qa2 Qc8=) 27...g5 28.Nc6 bc6 29.Qc6 (29.Qc6 Bf7 30.Qb7 Qb7 31.Rb7+=) 1–0. BeepBeepImAJeep (2735) – zsoltik (2415), lichess.org, 2017.

5.d4 Na6 6.Bc3 ab4 7.ab4 Nf6 8.Nd2 Bf5 (8...g6 9.e3 Be6 10.b5 cb5 11.cb5+=) 9.Ra5 (9.Ngf3 g6+=) 9...e6 10.f3 (10.b5 cb5 11.Rb5 Qc6+=) 10...d5= Now all is on b4 11.c5 Qd8 12.Qa1 (12.Qa4 Be7=) 12...Nc7 (12...Be7 13.b5 cb5 14.c6+=) 13.Ra8 Qa8 14.Qa8 Na8 15.g4 Bc2 16.h4 (16.Nh3 Nc7=) 16...h6 (16...Nc7 17.Nh3=) 17.Nh3= Be7 18.e3 (18.Kf2 Nc7=) 18...Nh7 (18...Nc7 19.Kf2=) 19.Nf2 Nc7 20.Bd3 Bd3 21.Nd3 Nb5 22.Bb2 f6 (22...0-0 23.Ke2=) 23.Ke2 Kd7 24.Nf4 (24.Ra1 f5+=) 24...Ra8= 25.Ra1 Ra1 26.Ba1 Bd8 27.Ng6 Ke8 28.e4 Nf8 29.Nf8 Kf8 30.h5 Kf7 31.Bb2 Nc7 32.Ke3 (32.Nb3 Nb5=) 32...f5= 33.Kd3 (33.e5 g6 34.hg6 Kg6=) 33...Kf6 34.ef5 (34.gf5!? ef5 35.Nb3 fe4 36.fe4=) 34...ef5–/+ 35.Nf1 Na6 (35...fg4!? 36.fg4 Kg5–/+) 36.Bc3+= Nc7 (36...fg4!? 37.fg4 Kg5+=) 37.Bd2 Ne6 ½–½. Dzera,Evgeniy (2150) – Selifonova,Aleksandra (1920), Konakovo RUS, Chervonny Open, 2014.

5.d4 Na6 6.Bc3+= Nf6 7.Nd2 Bf5 (7...ab4 8.ab4 g6 9.e3+=) 8.e3 ab4 9.ab4 e5? (better is 9...g6!?+=) 10.b5+– Nc7? (10...cb5 11.cb5 Nd5 12.Bb2+–) 11.Ra8 (better is 11.c5 dc5 12.de5 Ra1 13.Qa1 cb5 14.ef6 gf6 15.Bf6+–) 11...Na8+/– 12.Qa1 Qd8 13.Ngf3 (13.bc6 bc6 14.de5 de5+–) 13...e4 14.Nh4 (14.bc6 bc6 15.Qb1 Be7+=) 14...Bd7 15.bc6 bc6 16.g3 (16.Qa7 Be7 17.Ba5 Qc8+/–) 16...d5 17.cd5 (17.Qa7 Bd6+=) 17...cd5= 18.Ng2 (18.Nb3 Bd6=) 18...Bd6 19.Nf4 (19.Be2 0-0+=) 19...Nc7 (19...0-0 20.Be2+=) 20.Bg2 (20.Nb3 0-0 21.Nc5 Bg4+=) 20...Bb5–/+ 21.Nb3 0-0 22.Kd2 Qe7 23.Bf1 Ra8 24.Qb2 g5 25.Ne2? Ng4 26.Ke1 Qf6 27.Nec1 Bf1 28.Rf1 Nh2 29.Rh1 Nf3 30.Kf1 Nb5 31.Ba5 Ba3 32.Qe2 Bc1 33.Qb5 Be3! 34.fe3 Nd4 (34...Nd4 35.Kg1 Nb5–+) 0–1. Jamieson,Ian (2015) – Ellis,Daniel, The Four Nations Chess League, 2011.

5.d4 e5 6.Qd2 Be6 (6...ab4 7.Qb4 Qb4 8.ab4 Ra1 9.Ba1=+) 7.c5 (7.de5 de5 8.c5 Qc7=) 7...Qc7 8.Nf3 Nd7 9.e3 Ngf6 10.Nc3 (10.Ng5 Bd5=) 10...Be7 (10...ab4 11.ab4 Ra1 12.Ba1 ed4 13.ed4=) 11.Be2 (11.cd6 Bd6 12.Rc1 Qd8=) 11...0-0 12.0-0 Rfd8 13.Qc2 dc5 14.bc5 ed4 15.ed4 Nd5 (15...b5 16.cb6 Nb6 17.Rfc1=) 16.Ne4 (16.Bd3 N7f6+=) 16...Nf4 (16...Bf5 17.Bd3=) 17.Bc4 (17.Rfe1 Bd5=) 17...Bc4 18.Qc4 Nf6 (18...Rab8 19.Bc1=) 19.Ne5 (19.Rfe1 N4d5=) 19...N6d5 (19...N4d5 20.Rfe1=) 20.Rfe1 f6 21.Nf3 Bf8 22.Bc1+/– Qf7 23.Bf4 Nf4 24.Qf7 Kf7 25.Rab1 Rd7 26.Neg5 Kg8 27.Ne6 Nd5 28.Kf1 Re8 29.Rb2 Rde7 30.Nf8 Kf8 31.Re7 Re7 32.Nd2 Nc3 33.Nc4 Rd7 34.Nd6+/– Nb5 35.Nb5 cb5 36.Rb5 Rd4 37.Ra5 Rd2 38.Ra8 Ke7 1–0. Lapshun,Yury (2440) – Stevens,Christian (2265), Guelph op 3rd, 2004.

5.d4 e5 6.e3 ab4 7.Qb3 ed4 (7...Nf6 8.Nd2=) 8.ed4 Bf5 9.ab4 Ra1 10.Ba1 Nf6 11.Nd2 Na6 (11...Be7 12.c5 Qc7 13.Qf3=+) 12.Bc3 Ne4 13.Ne4 Be4 14.Nf3 (14.f3 Bf5=) 14...Bf3 15.gf3 Be7 16.Bd3 Bf6 17.Qb2 0-0 18.Rg1 (18.0-0!?=) 18...d5=+ 19.c5 Qc7 20.Rg3 Qf4 21.Kf1–/+ Nc7 22.Kg2 h5 23.Rh3 g6 24.Qc2 Bg7 25.Rg3 Ne6 26.b5 h4 27.Rg4–/+ h3 28.Kg1 Qf3 29.Rg3 Qh5 30.Be2–/+ Qh4 31.Bg4? Ng5 32.bc6–/+ bc6 33.Bd7 Bd4 34.Rg4? Nf3–+ 35.Kh1 Qf6 36.Rd4 Nd4 37.Qd3 Qf2 38.Bd4 Qg2 0–1. Starck,Bodo – Boehnisch,Manfred, DDR–ch, 1965.

5.d4 e5 6.de5 de5 7.Be5 ab4 8.Bd6 (8.ab4 Ra1 9.Ba1 Bb4 10.Nd2 f6=) 8...Nd7 (8...Bd6 9.Qd6 Qa5 10.a4=+) 9.Nf3 (9.Bf8 Nf8 10.Qb3 Qa5=+) 9...Ngf6 (9...Bd6 10.Qd6 ba3 11.Na3=+) 10.e3 (10.Bf8 Nf8 11.Nfd2 Bf5=+) 10...ba3 11.Bf8 (11.Na3 Bd6 12.Qd6 Ne4=+) 11...Nf8–/+ (11...Kf8?! 12.Na3 (12.Ra3? Ra3 13.Na3 Qa5 14.Nd2 Qa3–+) 12...Qb4 13.Qd2 Qd2 14.Nd2=+; 11...Rf8?! 12.Be2–/+ (12.Na3? Ra3 13.Ra3 Qb4 14.Nd2 Qa3–+)) 12.Qc2 (12.Ra2 Bg4–/+) 12...Qa5 (12...Qb4!? 13.Nfd2 Ng6–/+) 13.Nfd2=+ Bf5 14.Bd3 Bd3 15.Qd3 a2 16.Nc3 Rd8 (16...Qg5 17.0-0=) 17.Qc2 Ng6 (17...Ne6 18.Ra2 (18.Na2? Ne4 19.Rd1 N6c5–+) 18...Qh5 19.0-0=) 18.0-0 (worse 18.Na2 Nh4 19.Ke2 Ng2–/+) 18...0-0 19.Ra2 Qh5 20.Nf3 (20.Rb1 Rd7=) 20...Nh4 (20...Ne5 21.Ne5 Qe5 22.Ne2=) 21.Nh4 Qh4 22.Ne2 (22.Ra4 Rd7=) 22...Ng4 (22...Rd7 23.c5=) 23.h3 Ne5 24.Ra4 (24.c5 Rd5=) 24...c5 (24...Qe7 25.Rfa1=) 25.Nf4 Qg5 (25...Rd7 26.Rd1 Qd8 27.Raa1+=) 26.Kh1 (26.Ra7 Rd7=) 26...Rd6 (26...Rd7 27.Rd1=) 27.Rd1 (27.Rb1 Rb8+=) 27...Rd1 (27...Qd8 28.Rd6 Qd6 29.Ra7=) 28.Qd1+= Rd8 29.Qe2 (29.Qb3 Qe7+=) 29...Qf5= 30.Ra1 (30.Qa2 h6=) 30...Qd7 (30...h6 31.Kh2=) 31.Rb1 (31.Nd5 Qe6 32.Ra7 Qd7=) 31...h6 (31...Qa4 32.Rb7 Nc4 33.Kh2=) 32.Rb5 (32.Qc2 Qd2 33.Qe4 Re8=) 32...Qd1 33.Qd1 (33.Kh2 Qe2 34.Ne2 b6 35.Rb6 Rd2=+) 33...Rd1 34.Kh2 Nc4 (34...b6 35.Rb6 Nc4 36.Rc6=+) 35.Rc5= Nd6 36.Rc2 (36.Rd5 Rd5 37.Nd5 b5=) 36...g5 (36...b5 37.Ne2=) 37.Ne2 Rb1 (37...Rd5 38.Nd4=) 38.Nc3 (38.Nd4 b5=) 38...Rb3 39.e4 (39.Ne2 Kg7=) 39...b5 (39...Kg7 40.f3=) 40.e5 Nf5 (40...Nc4 41.Nb5 Ne5 42.Nd4=) 41.Nd5 (41.Ne4 Nd4 42.Rd2 Nc6=) 41...Kg7 42.Nf6 Ne7 43.Rc7 (better 43.Ne8 Kf8 44.Nd6=) 43...Kf8 (43...Ng6 44.Rc5=) 44.Rb7 (better 44.Ra7 h5 45.Nd7 Kg7 46.Nc5+–) 44...Kg7?? (better 44...Nc6 45.Nd7 Ke8=) 45.Re7+– Rb2 46.Rb7 (46.Re8 h5+–) 46...Rf2 (46...Kg6 47.Ng8+–) 47.Rb5 Re2 (47...Ra2 48.Kg1+–) 48.Kg3 Kg6 (48...Ra2 49.Kf3+–) 49.Kf3 Ra2 (49...Re1 50.g4+–) 50.Ng4 (50.g4 Ra3 51.Ke4 Ra8+–) 50...h5 (50...Ra6 51.Rd5 Kf5 52.Rc5+–) 51.Rb6 Kg7 52.Ne3 (52.Nf6 Kg6+–) 52...Ra3 (52...Ra1 53.Nf5 Kg8 54.Rb8 Kh7 55.Nd6+–) 53.Ke4 g4 (53...Kf8 54.Rb8 Kg7 55.Nf5 Kh7 56.Rb7 Ra4 57.Kd5 Ra5 58.Kd4 Ra4 59.Kd3+–) 54.hg4 (54.Nf5 Kg8+–) 54...hg4 55.Ng4 Rg3 (55...Ra4 56.Kf5+–) 56.Ne3 (56.Ne3 Kh7 57.Kf4+–) 1–0. Osmak,Iulija (1930) – Motsar,Irina (2130), Kiev Cup–Independence Cup, 2010.

5.e3 ab4 6.ab4 (6.Qb3 c5=) 6...Ra1=+ 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 (9.d4 Bf5 10.Nd2 Nf6=+) 9...Bf5 10.d3 Nf6 (10...e5 11.Be2=+) 11.Be2 (11.Bd4 Qc7=+) 11...Nbd7 (11...e5 12.e4 Bg4 13.0-0=+) 12.0-0 (12.Nh4 Bg4 13.Bg4 Ng4=+) 12...e6 (12...e5 13.Nbd2=+) 13.Nh4= Bg6 14.Qa4 (14.Nd2 d5=) 14...Nc5=+ 15.Qa8 Qd8 16.Qd8 Kd8 17.Ng6 hg6 18.Nd2 Kc7 (18...Be7 19.Ra1 Kc7 20.Nf3=) 19.Ra1= Be7 (19...d5 20.Be5 Bd6 21.Bd6 Kd6 22.d4=) 20.Ba5 (20.Nf3 Kd7=) 20...b6=+ 21.Bc3 Kb7 (21...Nb7 22.Ra7=+) 22.Nf3 Ne8 (22...e5 23.h3=+) 23.Nd4 (23.d4 Ne4 24.Bb4 N8f6=+). Durez,Cedric (1610) – Come,Alexandre (2095), St Quentin op 5th, 2002.

6.Qa5 Qa5 7.ba5 Nc5 =.

6.Qa5 Qa5 7.ba5 e5 8.e3 Nc5 9.Bc3 e4 10.Bb4 Nf6 11.Nc3 Be7 12.f3 (12.Bc5 dc5 13.d3 Bf5=) 12...Bf5 (12...Nd3!? 13.Bd3 ed3=) 13.Bc5 dc5 14.g4 Bg6 15.g5 Nd7 16.Rb1 ef3 (16...Ra5 A) < 17.fe4 A1) < 17...Bg5 18.h4 (18.Rb7?! Bh4 19.Kd1 Ra3=) 18...Bf6 19.h5+/–; A2) 17...Ra3 18.Bg2 Ra7=+; B) 17.Ne4?! Ra7=; C) 17.Rb7 Ra3 C1) 18.fe4? Rc3 (18...Bg5 19.Nf3 Bf6 20.e5 Ne5 21.Ne5 Be5 22.Bg2–/+) 19.dc3 Be4–+; C2) 18.h4+=) 17.Rb7 Ne5 18.Kf2 Ra5 19.Nf3 Nf3 20.Kf3 Rf8 (20...Ra3!? 21.h4 h6+=) 21.a4 f6 22.Bg2 fg5 23.Ke2 Rf6 24.Rf1 Re6 25.Rc7+/– Ra6 26.Ra1 Bf6 27.Rb7 Be5 28.a5 Bh2 29.Rb6 Bh5 30.Kd3 Bg6 31.Ke2 Bh5 32.Kd3 Rd6 33.Kc2+= Bg6 34.Be4 Ra8 35.a6 Be5 36.Rab1 g4 37.Rb8+– Rd8 38.Bg6 hg6 39.R8b6 g3 40.Ne4 Rdb8 41.Rc6 Rb1+= 42.Kb1 Kf8 43.Kc2 g5+/– 44.Ng5 g2 45.Nf3 Bh2 46.Rc5 g1Q 47.Ng1 Bg1 48.Rg5 Be3 49.Rf5 Kg8 50.de3 Ra6 51.Kd3 g6 52.Rf2 Kg7 53.c5 Rc6 54.Kd4 Rc8 55.e4 g5 56.Kd5 g4? 57.c6 g3 58.Rg2 Kf6 59.Rg3 1–0. Luzuriaga,Norberto Horacio – Riepe,Bernhard, E2000–4, 2000.

6.Bc3 ab4=+ 7.ab4 Nc7 8.Qb3 Ra1 9.Ba1 e5 10.e3 Nf6 11.d4 Be7 12.Nd2 Be6 13.Ngf3 0-0 14.Be2 e4= 15.Ng5 Bf5 16.f3 ef3 17.Ngf3 Ra8 18.0-0 Qa7 19.Bd3 Bd3 20.Qd3 d5 21.e4 de4 22.Ne4= Qa3 23.Nf6 Bf6 24.Bc3 Qa7 25.Qf5 Rd8?? (better is 25...Ne6+=) ½–½. Majzik,Levente – Szuhanek,Ranko, HUN tt2, 2001.

6.Nc3 ab4 7.Nd5 (7.ab4 e5=) 7...Qd8 8.ab4 Bd7 9.Nc3 e5 10.e4 Nf6 11.Nf3 (11.Qb3 Be7=) 11...Be7 12.Be2 Nc7 (12...c5 13.b5=) 13.Qb3 Ra1 14.Ba1 0-0 15.0-0 Ne6=+ 16.Bb2 Nf4 17.d3 Qc8 18.Ra1 Ng4 19.h3 Nf6 20.Bf1 N6h5 21.d4+= Ng2 22.Bg2+/– Nf4 23.Ne1 ed4 24.Nb1 Bh3 25.Qf3 Ng2 26.Ng2 c5 27.Nf4+= Be6 28.Nd5 Bd8 29.Nd2 f5 30.Qg3 Qd7 31.Ra7 Re8 32.bc5 dc5= 33.Qb3 Qf7 34.Rb7 Qg6 35.Qg3 Qg3 36.fg3 fe4 37.Nb3 Bd5 38.cd5 Be7 39.Ba3 d3 40.Kf2 Bg5 41.Bc5 e3 42.Ke1 Bf6 43.Bd4 Bd4 44.Nd4 Rf8 45.Ne6 d2 46.Ke2 Rf2 47.Ke3 d1Q 48.Rg7 Kh8 49.Kf2 Qd2 50.Kg1 Qd5 51.Re7 h5 52.Nf4 Qg5 ½–½. Woschkat,Karl_Heinz – Hank,Holger, HL015, 1999.

6.Nc3 Nf6 7.Qa5 Qa5 8.ba5 Nc7 9.d4 e5 10.Nf3 ed4 11.Nd4 Ra5 12.e3 Be7 13.Be2 0-0 14.0-0 d5 15.Rfd1 dc4 16.Bc4 Rd8 17.Bd3 Ncd5 18.Nce2 Nb6 19.Rab1 Na4 20.Bc1 Nd5 21.Rd2 Ndc3 22.Nc3 Nc3 23.Rb3 Rc5 24.h3 Na2 25.Bb2 Nc1 26.Rb6 Nd3 27.Rd3 Rcd5 28.Rc3 Bc5 29.Rbb3 Bd4 30.ed4 Rd4 31.Rg3 Rd1 32.Kh2 g6 33.Rge3 Kf8 34.Bf6 R8d7 35.a4 R1d2 36.Kg3 R7d5 37.Re7 Rf5 38.Rc7 Rf6 39.Rc8 Kg7 40.f3 Rf5 41.Rc7 Rg5–/+ 42.Kf4 Rgg2 43.Rbb7 g5 44.Ke4 Rge2 45.Kf5 Rd5 46.Kg4 Rg2 (47.Kh5 Rf5–+) 0–1. Reuter,Alfred – Tomasouw,Izak, IECG, 2000.

6.Qb4 Qb4 7.ab4 Ra1 8.Ba1 =.

6.Qb4 Qc7 7.e3 (7.d4 Na6 8.Qb3 e5=) 7...e5 8.d4 Nf6 9.Nd2 Be7 10.g3 (10.Bd3 ed4 11.ed4 Na6=) 10...0-0 11.Bg2 (11.Ne2 Na6 12.Qb3 ed4 13.Bd4 Bf5=+) 11...ed4 12.ed4 (12.Bd4? c5 13.Qb2 cd4 14.ed4 d5 15.Bd5 Nd5 16.cd5 Qa5-+) 12...Re8 13.Ne2 Bf8 (13...Bg4 14.f3 d5 15.Qc3-/+) 14.Qb3 Qe7 (better is 14...Na6-/+) 15.Qd3 (better is 15.Bf3!?=+) 15...Bf5!-+ 16.Qe3 (16.Qf5 Qe2) 16...Qe3 17.fe3 Re3 18.Rf1 Bd3 19.Bf3 Nbd7 20.Kf2 Rae8 21.Rfe1 d5 22.Nf1 R3e6 23.c5 b6 24.Nf4 Re1-+ 25.Re1 Re1 26.Ke1 Bb5 27.cb6-/+ Nb6 28.Nd2 Ne8 29.Kd1 Nd6-/+ 30.Kc2 Ba4 31.Kd3 Ndc4-+ 32.Kc3 Na3 33.Ba3 Ba3 34.Nd3 Bb5 35.Nc5 Na4 36.Na4 Ba4 37.Nb3 Kf8 38.Nc5 Bc5 39.dc5 Ke7 40.Kd4 Ke6 41.h4 h6 42.Bg4 Ke7 43.Bf3 g5 44.hg5 hg5 45.Bg4 f6 46.Bf5 Kd8 47.g4 Kc7 48.Kc3 Bb5 49.Kd4 Ba6 50.Be6? Bc8 51.Bf5 Bf5 52.gf5 Kb7 (53.Kd3 Kc8-+) 0-1. Kalchbauer,M - Biro,Karol, Slovan open, Bratislava, 1994.

7.Ba1 Na6 8.Bc3 e5 9.e3 Nf6 10.Nf3 Be7 11.c5? (better 11.d4!?=) 11...Nc5!-/+ 12.Qc2 (12.bc5 Qb3 Pinning (12...Qb3 Deflection)) 12...Na6 13.Ba6 (13.b5 Nc7 14.bc6 bc6-/+) 13...Qa6-+ 14.d3 Bg4 15.0-0 Bf3 16.gf3 0-0 17.Nd2 Nd5 18.Ra1 Qb5 19.e4 (19.Ra5 Qb6 20.Nc4 A) worse 20...Nb4 21.Qb3 Qd8 22.Bb4+= (worse 22.Qb4 d5 23.Qb7 dc4=+); B) 20...Qc7-/+) 19...Nf4 (19...Nc3!? 20.Qc3 d5 21.Rb1-+) 20.Nc4-/+ c5 21.Rb1 Qd7 22.Bd2 b5 (22...Ng6 23.f4 Qh3 24.f3-+) 23.Nb6 Qc6 (23...Ne2 24.Kf1 Qd8 25.Be3-/+) 24.Bf4 Qb6 25.Be3 Qc6 26.f4 (26.Qc3 c4-/+) 26...ef4 27.Bf4 Rc8 28.Qa2 (28.Be3 Qd7-/+) 28...c4-+ 29.Rc1 d5 30.ed5 Qd5 31.dc4 bc4 32.Re1? (32.Qa6 Qd7 33.b5-+ (33.Rc4?? Qd1 34.Kg2 Qd5 35.f3 Rc4-+)) 32...Bb4 33.Qb2 (33.Rc1-+) 33...Rc7 (better 33...Be1 34.Qc1 Re8-+) 34.Re8 (34.Bc7 Bf8+-) 34...Bf8 35.Bc7 (35.Qb8 Qd1 36.Kg2 Qd5 37.f3 Qc5 38.Bc7 h6+-) 35...Qd1 36.Kg2 Qd5 (36...Qd7 37.Qe5 Qg4 38.Qg3 Qd7+-) 37.f3 Qc6 (37...c3 38.Qc3 f5+-) 38.Rc8 (better 38.Qb8 Qc5 39.Bd6 Qg5 40.Kf1+-) 38...c3 (38...Qd7 39.Ra8 Qc7+-) 39.Qb8 (39.Qb8 h6 40.Rf8 Kh7 41.Rh8 Kg6 42.Bb6+-) 1-0. carlos78 (2290) - Petrovich63 (2215), Rated Blitz game, lichess.org, 2015.

7.Ba1 Na6 8.Bc3 Nf6 9.d3 g6 10.e3 Bg7 11.Nf3 0-0 12.Nbd2 Bd7 13.Be2 Ra8 14.0-0 Qd8 15.Ra1 Nc7 16.Ra5 b6 17.Ra3 Qb8 18.Qa2 Qb7 19.h3 Nfe8 20.Bg7 Ng7 21.Nd4 Ra3 22.Qa3 Qa6 23.Nc2 Qa3 24.Na3 f5 25.d4 e5 26.b5 cb5 27.Nb3 Nge6 0–1. Ferreiro – Corral Blanco, Oviedo 1993.

7.Ba1 e5 8.e3 Na6 9.b5=.

7.Ba1 e5 8.e3 Be6 9.Nf3 Nd7 (9...Na6 10.Bc3=) 10.Ng5 Bf5?? (better is 10...Nc5 11.Qb2 Bf5=) 11.c5!+- Nc5?? (11...Qc5 12.bc5) 12.Qf7 Demolishes the pawn shield 12...Kd8 13.Qf8 (13.bc5? Qb1 14.Ke2 Nh6 15.Ne6 Be6 16.Qe6 Qa1-+) 13...Kc7 14.Nf7 Qb4 (14...Kd7 15.Qd6 Ke8 16.Qe5 Kf7 17.Qf5 Nf6 18.Bc4 Ke8 19.bc5 Qd8 20.Qe6 Qe7 21.Qc8 Qd8 22.Qb7 Rf8+-) 15.Qd8 (15.Nh8 Qb1 16.Ke2 Bd3 17.Kf3 Qd1 18.Be2 A) 18...Qh1?! 19.Bd3 (19.Qg8 Be4 20.Kg4 Qg2 21.Kh4 Qf2 22.Kh5 Qe2 23.Kg5 h6 24.Kh4 Qh2 25.Kg4 Bf5 26.Kf5 Qh5) 19...Qa1 20.Qf7 Kb6 21.Qg8 Qd1 22.Kg3 Nd3 23.Qd8 Kb5 24.Nf7=; B) < 18...Be2 19.Kg3 Ne4 20.Kh3 Bg4 21.Kh4 g5; C) 18...Qe2 19.Kg3 Ne4 20.Kh4 g5 21.Kh3 Qh5) 1-0. Durez,Cedric (1610) - Bilquez,Romain, St Quentin op 5th, 2002.

7.Ba1 e5 8.e3 Nf6 9.Nf3 Na6 10.b5=+.

7.Ba1 e5 8.e3 Nf6 9.Nf3 e4 10.Nd4 Bg4 11.h3 Bh5 12.Nc3 c5 (12...Na6 13.b5 Nc5 14.Qa2=) 13.Ndb5 (13.bc5 Qb3 14.Nb3 dc5+=) 13...Nc6 (better 13...Bg6!?=) 14.bc5+/- dc5?? (14...Qc5 15.Nc7 Kd8 16.N7d5 (16.Qb7 Qa5 17.Qa8 Kc7 18.Nb5 Kd7 19.Qb7 Kd8+/-) 16...Nd5 17.Nd5+/-) 15.Na4 (better 15.Nd6! Bd6 16.Qb6+-) 15...Qd8+= 16.Bc3 (16.Qb1 Nb4+=) 16...Be7 (16...Bg6 17.Be2=) 17.g4 (17.Bf6 gf6 18.Nbc3 f5+/-) 17...Bg6 18.Be2 (18.Bg2 0-0=) 18...0-0 19.Qd1 (19.h4 h6=) 19...Nb4 (19...Nd7 20.h4 Bh4 21.Qa1=+) 20.h4= h6 21.g5 hg5 22.hg5 Nd7 (22...Nh7 23.Bb4 cb4 24.Nb2=+) 23.Kf1 (23.Bb4 cb4 24.d4 ed3 25.Bd3 Ne5 26.Bg6 Qd1 27.Kd1 fg6=+) 23...Bg5 (23...Nd3 24.Bd3 ed3 25.Qg4+-) 24.Qa1 (24.Nc5 Nc5 25.Bb4 Qb6=) 24...Bf6=+ 25.Nd6 (better 25.Bf6 gf6 26.Qb1=+) 25...Bc3 26.Qc3 Qc7 (26...Qe7 27.Nb5-+) 27.Nb5 Qe5 (27...Qc6 28.Bg4 f5 29.Bh3-+) 28.Qb3 (better 28.Qe5!? Ne5 29.Nd6=+) 28...b6 29.Nac3 Rd8 30.Rg1 (30.Qb1!?-/+) 30...Nf6 31.Nb1 (31.Qb2 Bh5 32.Bh5 Nh5-+) 31...Nd3 (better 31...Bh5!? 32.Qd1 Be2 33.Qe2-+) 32.Bd3 Rd3 33.Qc2 (33.N5c3 Qh2 34.Rg2 Qh1 35.Rg1 Qh3 36.Ke1 Qh2-+) 33...Qe6 (better 33...Qh2 34.Rg2 Qh1 35.Rg1 Qh3 36.Ke1 Ng4-+) 34.Nc7? (better 34.Qa4-+) 34...Qd7 (34...Qh3 35.Ke1 Qh2 36.Rg6 fg6 37.Nd5-+) 35.Nb5 Qd6?? (better 35...Qh3 36.Ke1 Ng4-+) 36.Nd6+- Rd2 (36...Rd6 37.Qa4 Kh7+-) 37.Qd2 Ng4 (37...Ng4 38.Rg4 Bh5 39.Qd5 Bg4 40.Qf7 Kh8 41.Ne8 Bh3 42.Ke1 b5 43.Qg7). ClayPigeons (1990) - Mitorun (2285), Rated Bullet game, lichess.org, 2019.

7.Ba1 e5 8.e3 Nf6 9.Nf3 Be7 10.Be2 0-0 11.0-0 Nbd7 12.d4 ed4 13.Nd4+= Re8 14.Nf5 Bf8 15.Rd1 (15.Nd2 d5 16.Rb1 Qc7+=) 15...Re6 (15...Nc5!? 16.Qc2 Nce4 17.Nd6 Bd6 18.Bf6 gf6=+) 16.Nc3 Nc5 17.Qb2 Nce4? (better 17...Ncd7+=) 18.Ne4+- Ne4 19.Ng7 (19.Ng7 Re5 20.c5 Nc5 21.bc5 Qb2 22.Bb2 Rc5 23.Bd4+-) 1-0. carlos78 (2150) - kekss5 (2145), Rated Blitz game, lichess.org, 2015.

7.Ba1 Bf5 8.d3 (8.Nf3 e5=) 8...e5 9.e4 Bg4 (9...Be6 10.Nf3=) 10.Be2 Nf6 11.Nd2 (11.Bg4 Ng4 12.Nh3 Na6=) 11...Be7 12.Ngf3 Na6 13.Bc3 0-0 14.0-0 Re8 (14...Ra8 15.Ra1=) 15.h3 Bh5 16.Re1 (16.Ra1 Bg6=) 16...Bg6 (16...Ra8 17.Qb1=) 17.Nh2 (17.Ra1 Ra8+=) 17...Nh5 18.Bh5 Bh5 19.g3 (19.Nhf3 Bf6=) 19...Nc7 (19...Ra8 20.Nhf3=+) 20.Nhf3 Ne6 21.Kg2 (21.Ra1 Ng5 22.Kg2 Nf3 23.Nf3 Rd8=+) 21...Ra8 22.Ra1 Ra1 23.Ba1 h6 (23...Qa7 24.Qc3=+) 24.Qa4 f6 (24...Kh7 25.Qa5 Bd8 26.Qb6 Bb6 27.Nb3=) 25.Qa8= Kf7 ½-½. Wantoch_Rekowski,Jacek - Sternik,Ryszard, corr or01-006 E-mail, 2001.

7.Ba1 Nf6 8.e3 g6 9.Bf6 ef6 10.Nf3 Bg7 11.Be2 0-0 12.d4 Na6 13.b5 Nc7 14.Nc3 Be6 15.Qb1 (better 15.0-0!?=) 15...Qa5-/+ 16.Qb2 cb5 17.cb5 Nd5 18.Kd2 Rc8 19.Rc1 f5 (better 19...b6-+) 20.Bd1?? (20.Qa2!? Nc3 21.Qa5 Ne4 22.Ke1 Rc1 23.Bd1-+) 20...Bd7 (better 20...Bf6!? 21.h4 h6 22.Be2-+) 21.Bb3 Nc3 22.Rc3 Bb5 23.Kc2 Rc3 (better 23...Bc6!? 24.Kd2 Bf8-+) 24.Qc3-/+ Qc3 25.Kc3 Bc6 26.Ng5 Be8 27.Bd5 b6 28.Kb4 h6 29.Nf3 g5 30.Nd2 f4 (30...Bf6!?=+) 31.Nc4= fe3 32.fe3 g4 33.Nb6 (33.Nd6?? Bf8 34.Kc3 Bd6-+) 33...h5 34.Nc4 Bh6 35.Nd6 Kf8 36.e4 (36.Nf5 Bg5+/-) 36...Bg5? (better 36...Bf4!? 37.Ne8 Ke8=) 37.Kc5+/- Bf4 38.g3 (38.g3 Be3 39.Nf5+-) 1-0. carlos78 (2280) - kekss5 (2250), Rated Blitz game, lichess.org, 2015.

6.e3 ab4 7.Qb4 Qb4 8.ab4 Ra1 9.Ba1 =+.

6.e3 Be6 7.Nc3 Nd7 8.Na4 Qa6 9.Qc2 =.

6.e3 Be6 7.d4 ed4 8.ed4 Nf6 9.Nf3 =.

6.e3 g6 7.Nf3 (7.d4 a4 8.Qd3 Bg7+=) 7...Bg7 (7...ab4 8.Qb4 Qb4 9.ab4 Ra1 10.Ba1=) 8.Ng5 (8.c5 Qc7+=) 8...Nh6 9.Nc3 (9.Ne4 Nf5=) 9...0-0 10.Rc1 (10.Nge4 Nf5=) 10...Qd8 (10...ab4 11.Nge4=+) 11.Nge4= Kh8 (11...ab4 12.Qb4 Nf5 13.Rb1=+) 12.c5 (12.Be2 f5 13.Ng3 ab4 14.ab4 f4=) 12...d5 (12...ab4 13.Qb4 dc5 14.Qc5=+) 13.Nd6 Qc7 (13...b5 14.e4 ab4 15.ab4= (15.Qb4?? Na6 16.Qb3 Nc5-+)) 14.Nc8 (14.e4 d4 15.Nc8 dc3 (15...Qc8?! 16.Na4=; < 15...Rc8 16.Na4+=) 16.Qc3 ab4 17.Qb4 Qc8-+) 14...Rc8 15.Be2 Nd7 (15...ab4 16.Qb4 Na6 17.Qb6=+) 16.0-0 b5 (16...ab4 17.Qb4 Rcb8 18.e4=) 17.h3 (17.cb6 Qb6 18.Na4 Qd8=) 17...ab4 (17...Nf5 18.e4 Nd4 19.Qd1 ab4 20.ab4 de4 21.Ne4 Ne2 22.Qe2=) 18.ab4 Qd8 (18...Nf5 19.Ra1=) 19.f4 (19.e4 d4 20.Nd1 f5 21.ef5 Nf5=) 19...f6 (19...e4 20.d3 ed3 21.Bd3=) 20.Ra1 (20.fe5 fe5 21.Nd5 cd5 22.Qd5 Rcb8+=) 20...Ra1 21.Ra1 Ra8 22.Bb5 Ra1-/+ 23.Ba1 cb5 24.Qd5 Qe8 25.c6 Nb6 26.Qb5= Qd8 27.fe5 fe5 28.d3 Nf5+= 29.Ne4 Qc7= 30.Kf2 Ne7-/+ 31.Ng5 Qc6 32.Qc6=+ Nc6 33.b5 Nd8 34.Bc3 Nd5 35.Ba5 Nb7=+ 36.Bd2 Kg8 ½-½. Hoelldorfer,August - Baessler,Arwed, 8sen.BayEM Schney, 1996.

6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Na6 9.Bc3 Bf5 10.d3 d5 11.Nbd2 d4 12.c5 Qb5 13.Ba1 Be6 14.Qb1 Nb4 15.Ne5 Qa4 16.f4 Qa1 17.Qa1 Nc2 18.Kd1 Na1 19.Nec4 Bc5 20.Ne4 Bb4 21.Ncd6 Bd6 22.Nd6 Kd7 23.Ne4 Nb3 24.g3 Ne7 25.Kc2 f5 26.Ng5 Bd5 27.Rg1 h6 28.Nf3 Bf3 29.Kb3 Bd5 0–1. Gerold – Kretschmer, corr DDR–11ch prel 1981.

6.Nf3 Nf6 7.d4 =.

6.Nf3 Bg4 7.e3 (7.h3 Bf3 8.ef3 ab4 9.Qb4 Qa7=) 7...Bf3 (7...ab4 8.d4=) 8.gf3 Nd7 9.Be2 (9.d4 ab4 10.ab4 Ra1 11.Ba1 c5=) 9...Nc5=+ 10.Qc3 (10.bc5 Qb3) 10...Ne6 (10...Na4!? 11.Qc2 Nb2 12.Qb2 ab4-/+) 11.0-0 Nf6 12.Kh1 (12.Rd1 Be7=+) 12...Be7 13.d3 (13.Rg1 ab4 14.ab4 Ra1 15.Ba1 0-0=+) 13...0-0 (13...ab4 14.ab4 Ra1 15.Ba1=+) 14.Nd2 Nd7 (14...Ra6 15.c5 Qc7 16.Nc4=+) 15.Rg1= d5 16.c5 Qb5 17.f4 d4 (17...Bf6 A) < 18.fe5 Be5 (< 18...Ne5 19.Rae1+=) 19.Qc1 Bb2 20.Qb2 Ndc5-/+; B) 18.f5 ab4 19.ab4=+) 18.Qc4 Qc4 19.dc4 (19.Nc4 de3 20.fe3 ef4 21.ef4 Bf6 22.Bf6 Nf6 23.Na5 Nf4=) 19...ab4 (19...Rfd8 20.fe5 de3 21.Ne4 ef2 22.Rgf1= (< 22.Nf2 Ndc5 23.Rgd1 Nb3 24.Rd8 Rd8-+)) 20.ab4 de3 21.fe3 ef4 22.ef4 Bf6 23.Bf6 Nf6 24.f5 Nf4 25.Bf3 Nd3 26.b5 Ra1 27.Ra1= cb5 28.cb5 Nc5 29.Ra7 Rb8 30.Nc4 Nfe4 31.b6 f6 32.Kg2 Kf7 33.Be4 Ne4 34.Kf3 Nc5 35.Ke3 Rd8-/+ 36.Na5 Rd7 37.Ra8 Rd3 38.Kf4 Ra3 39.Ra7= Ra4 40.Kf3 Ra3 41.Kf4 g5 42.fg6+/- Kg6 43.Nb7 Ne6 44.Ke4 Rb3 45.Ra6 Rb5 46.Kd3 Rb2 47.Kc3 Rh2 48.Nd6 Rh1? 49.Ra8 Nc5+= 50.Kc4 Nd7 51.Rg8 Kh5+= 52.b7 Rd1 53.Nb5 Ne5 54.Kc3 Nc6 55.Rg7 Rc1 56.Kd2 Rb1 57.Nd6 Na5 58.Rh7 Kg6 59.Rc7 Nb7 60.Nb7 Rb4 (60...f5 61.Nc5+=) ½-½. Zuse,Klaus Peter (2240) - Fritsch,Rolf (2215), BL2-S, 1994.

6.Na4 Qc7 7.ab4 e5 8.d4 Nf6 =.

6.Na4 Qc7 7.ab4 e5 8.e3 Be7 9.Nf3 Bf6 (9...Nf6 10.Be2=) 10.Nc3 (10.d4 Bf5=) 10...Ra1 11.Qa1 Bf5 12.Be2 Ne7 13.0-0 (13.d4 ed4 14.Nd4 Bd4 15.ed4 0-0=) 13...0-0 (13...e4 14.Nd4 Bd4 15.ed4=) 14.b5 (14.d4 Nd7=) 14...Nd7 15.Qa3 Nc5 16.Ra1 Ne6 (16...e4 17.Nd4=) 17.d3 d5 18.bc6 bc6 19.cd5 cd5 20.Nb5 Qb8 21.d4 e4 22.Ne5 Nd8 23.Qc5 Nb7 24.Qb6 Nc8 (24...Rc8 25.Ra7 Nd8 26.Qb8 Rb8 27.Nd7 Bd7 28.Rd7+=) 25.Qc7 Ncd6 26.Qb8 Rb8 27.Nc7 Be6 28.Bh5 (28.Ne6 fe6 29.Nc6 Rc8=) 28...Nd8 29.Ba3 Be5 30.de5 Nc4 31.h3 (31.Bd6 Rc8+=) 31...Na3 32.Ra3= g6 33.Be2 Nc6 34.Ne6 fe6 35.Bg4 Kf7 36.Ra6 Rc8 37.h4 Rc7 38.Kh2 h6 39.Kg3 Ke7 40.Kf4 Rc8 41.Rb6 Rc7 42.Bh3 Nd8 43.Rb8 Rc2 44.Kg3 Rc3 45.Rd8? Kd8–/+ 46.Be6 d4 47.Bf7 d3 48.Bg6 d2 49.Bh5 Rc1 50.Kf4 d1Q 51.Bd1–/+ Rd1 52.Ke4 Rd2 53.Kf3 h5 54.Kg3 Ke7 55.f4=+ Ke6 56.Kf3 Kf5 57.e4 Ke6 58.g4 Rd3 59.Ke2 Rh3 60.gh5 Rh4 61.Ke3 Rh5 62.Kd4 Rh3 63.f5 Ke7 64.e6 Ra3 65.e5? Rf3–+ 66.Ke4 Rf1 (67.Kd5 Rf5–+) 0–1. Geisensetter,Kurt – Kretschmer,Helmut, corr DDR–ch M729, 1983.

6.Na4 Qc7 7.ab4= e5 8.e3 Nf6 9.d4 e4 10.d5 Be7 11.Ne2 0-0 12.Nd4 Bg4 13.Be2 Be2=+ 14.Ne2 cd5 (15.cd5 Qc4–/+) 0–1. Stoliar,Sergei Yefimovich – Belousenko,Artur, corr ICCF–Cup8 V096, 1990.

6.Qb3 e5 7.e4 =+.

6.Qb3 Be6 7.e3 (< 7.ab4 Ra1 8.Ba1 Qa6–/+) 7...c5 8.Nd5 Bd5 9.cd5 Nd7 10.ab4 Ra1 11.Ba1 Qb4 12.Qa2 Nb6 (12...f6!?=) 13.Bc3+/– Qe4 14.f3 Qg6 15.Qb3 (15.Qa5!? Qb1 16.Kf2 Kd7 17.Bb5 Kc7+/–) 15...Nd7+/– 16.Qb7 e5 17.Bb5 Ngf6 (17...Qb1 18.Ke2 Qb5 19.Qb5 Ngf6+–) 18.Qa8 (18.Qc8 Ke7 19.Ba5 Qb1 20.Kf2 Ne4 21.fe4 Kf6 22.Bd8 Kg6 23.Qd7 Qe4 24.Bd3 f6 25.Be4 Kh5 26.Qh3 Kg5 27.Nf3) 18...Ke7 19.Ba5 Qb1 20.Kf2 Ne4 21.fe4 Kf6 22.Qd8 Be7 23.Qh8 Nf8 24.Bc6 Qe4 (24...h6 25.Qg8 Qe4 26.Nf3+–) 25.Nf3 h6 26.Rc1 Qd3 27.Qg8 Qe4 28.Kg1 Kg6 29.Rf1 Nh7 30.Ne5! Qe5 31.Qf7 Kg5 If Black now only could play g6... 32.Be8 Nf6 33.Qg7 Kh4 34.g3 Kh3 35.Qh6 Qh5 36.Qh5 Nh5 37.Bd7# 1–0. Machete (2300) – Mithrandir (1995), ICC, 2003.

7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 (10...Qa6 11.Nc8 Qa1 12.Ba1+/–; 10.Nc4? Rd1 11.Kd1 e5–+) 1–0. Trkn – CoolChessWiz, ICC, 2005.

7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 Qb3 11.Nc8 Nf6 (11...e5 12.Nf3+–) 12.Nf3 (12.e3 Qe6 13.Nb6 d5+–) 12...Kd7?? (better is 12...e5+–) 13.Nd4 (13...Qc3 14.Nb6 Kc7 15.Na8 Kd7 16.dc3+–) 1–0. Sternik,Ryszard – Ciesla,Stefan, corr Poland, 1993.

7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 Qe6 11.Nc8 Qc8 12.Bg7 Bg7 13.Qg7 Qf5 14.e3 Qf6 15.Qf6 Nf6 16.d4 Rg8 17.Nf3 Nbd7 18.Nh4 e6 19.Bd3 Ke7 20.Ke2 Ra8 21.Rc1 Nd5 22.Kf3 f5 23.Bc4 N7f6 24.h3 Kd7 25.g4 fg4 26.hg4 Rg8 27.Rg1 Rg5 28.Bd5 Nd5 29.e4 Nc3 30.Ke3 h5 31.f3 hg4 32.Kd3 gf3 33.Rg5 f2 34.Rg7 Ke8 35.Kc3 f1Q 36.Rg8 Kf7 37.Rh8 b5 38.Kd2 c5 39.dc5 dc5 40.Rh7 Kg8 41.Rh5 Qf4 42.Kd3 c4 43.Kc3 Qe4 44.Rb5 Qh4 45.Rc5 Kf7 0–1. marus1 – MEST, internet, 2001.

7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Nc4? Rd1 11.Kd1 Nf6 –+.

7.ab4 Qc7 8.d3 e5 9.e3 d5 10.c5 Bf5 11.Nf3 Nd7 12.Be2 Ngf6 13.Nc3 Ra1 14.Qa1 Be7 15.Qa8 Bd8 16.0-0 0-0 17.Ra1 Be7 18.Qa7 Rc8 19.h3 e4 20.Nd4 Bg6 21.de4 Ne4 22.Ne4 Be4 23.Bg4 Bf6 24.Qa5 Bd3 25.Qc7 Rc7 26.Ra8 Nf8 27.Ne6 fe6 28.Be6 Rf7 29.Bf6 gf6 30.g4 Kg7 31.Bf7 Kf7 32.Ra7 Ba6 33.f4 Ne6 34.Kf2 Nc7 35.h4 Ke6 36.Kf3 Kd7 37.g5 fg5 38.hg5 Kc8 39.f5 Kb8 40.Ra6 ba6 41.Kg4 Kb7 42.Kh5 Nb5 43.g6 hg6 44.fg6 Nc7 45.g7 Ne8 46.g8N Nc7 47.Ne7 Nb5 48.Nf5 Na3 49.Nd4 Nc4 50.Nf5 a5 51.ba5 Na5 52.Nd4 Nc4 53.e4 Ne5 ½–½. Bonetti,Shane – compfirepower (2225), ICC, 2002.

7.ab4 Qd8 8.Nf3 =.

7.Qa1 Qb4 8.Nd1 Qc4?? 9.Bg7 e5 10.Bh8 +–.

7.Qa1 Qb4 8.Nd1 Nf6 9.Bf6 gf6 10.Qa8 Bh6 11.e3+– 0-0 12.Qb8 Bg4 13.Qa7 Bd1 14.Kd1 Qb1 15.Ke2 d5 16.cd5 Qb5 17.d3 Qb2 18.Kf3 cd5 19.Ne2 Qb1 20.Ng3 e6 21.Qd4 f5 22.Nh5 Qd1 23.Be2 Qh1 24.Qf6 Qh2 25.Qh6 (25...Qe5 26.Nf6 Qf6 27.Qf6+–) 1–0. Mosley,Gene – Schmidt,Roland, DESC, 2005.

7.Qa1 Qb4 8.e3 –+.

7.Qa1 e5 8.Qa5 Nd7 9.e3 =.

7.Qa1 e5 8.b5 Nd7 9.Nf3 Ngf6 10.e3 Be7 11.d4 0-0 12.Bd3 ed4 13.ed4 Re8 14.0-0 Nf8 15.d5 Ng6 16.Bg6 hg6 17.Re1 Bg4 18.Qd1 Qc5 19.dc6 bc6 20.h3 Bf3 21.Qf3 Qb4 22.Re2 d5 23.bc6 Qc4 24.c7 Qc7 25.Nd5 Nd5 26.Qd5 Rd8 27.Qb3 Bc5 28.Be5 ½–½. Woschkat/Angermann – Filipek, email ICCF, 2002.

7.Qa1 Nf6 8.Qa8 Qc7 9.Nf3 e5 10.e3 Be7 11.Be2 Na6 (11...0-0 12.0-0=) 12.b5 cb5 (12...Nb4 13.Qa4 c5 14.Ba3+=) 13.Nb5 (13.cb5 Nc5+=) 13...Qd8 (13...Qd7 14.0-0=) 14.Na7 Bd7 15.Qb7 Nc5 16.Qb4 Nfe4 (16...d5!? 17.0-0 Na4+=) 17.0-0+/– Na4 18.Ba3 d5 (18...Nac5 19.d4 ed4 20.ed4+–) 19.Qe7+– Qe7 20.Be7 Ke7 21.Ne5 Ra8 22.Nd7 Ra7 23.Ne5 Rb7 (23...Kd6 24.d4 Nac3 25.Bd3+–) 24.d4 (24.cd5 Nd2 25.Rd1 Nc3+–) 24...f6 25.Nc6 Kd6 26.cd5 Kd5 27.Rc1 (27.Bd3 Nb2 28.Be4 Ke4+–) 27...Rb2 28.Bd3 Nec3 29.Na5 Ne2 (29...h5 30.Kf1+–) 30.Be2 Re2 31.h4 Ra2 (31...Nb2 32.Rc5 Kd6 33.Kf1+–) 32.Nb7 (32.Rc7 Nb2 33.Nb3 Nd1 34.Rg7 h6+–) 32...g6 33.Rc7 Ra1 34.Kh2 Ra2 35.Kg3 Nb2 (35...h5 36.Rd7 Ke6 37.Rg7+–) 36.Rc5 Ke4 37.d5 Ra7 38.Rb5 Nc4 39.d6 Ne5 (39...Rb7 40.Rb7 Nd6 41.Rh7+–) 40.Re5! Ke5 (40...Ke5 41.d7 Passed pawn; 40...fe5 41.d7 Passed pawn) 41.d7 Ra8 42.d8Q Rd8 43.Nd8 Kf5 (43...f5 44.Kf3+–) 44.h5! Ke5 (44...gh5 45.Kh4 Decoy) 45.Nc6 (45.Kg4 gh5 46.Kh5 Ke4+–) 45...Kd6 46.Nd4 Ke5 (46...Kd7 47.Kf4+–) 47.h6 Kd6 48.Kf4 Ke7 49.Ke4 Kd6 50.f4 Ke7 51.Kd5 Kd7 52.e4 Ke7 53.e5 fe5 54.fe5 Kd7 55.e6 Ke7 56.Ke5 Ke8 1–0. pvanr (2295) – garcia2102 (2045), gameknot.com, 2016.

7.Qa1 Nf6 8.b5 Qc5 9.e3 cb5 10.Nb5 Nbd7 11.Nf3 e5 12.d4 ed4 13.Bd4 Qc6 14.Na7 Qc7 15.Nh4 d5 16.Qa4 Kd8 17.Nc8 Kc8 18.Be2 dc4 19.0-0 Bd6 20.Rc1 Bh2 21.Kh1 Ne4 22.g3 Bg3 23.Rc4 Ndc5 24.Bc5 Nc5 25.Qa8 1–0. Benassi,Aspasio – Gross,Gerald, b4/02/08, 2002.

6.b5 c5 7.g3 e6 8.Bg2 Qc7 9.Rb1 Rb8 10.b6 (10.Na4 Ngf6+=) 10...Nb6 11.Nb5 Qd8 12.Bc3 Ra8 13.d3 (13.d4 Nd7= (worse is 13...Nc4 14.Qa4 Bd7 15.Qc4+/–)) 13...Nf6 14.Qd2 Nbd7 15.a4 Be7 16.Nf3 0-0 17.0-0 Nb8 18.e4 e5 19.Nh4 g6 (19...Nc6 20.f4+=) 20.f4= Nc6 21.Nf3 Nd7 22.f5 (22.Bh3 Nb4=) 22...Ndb8 (22...Nb6 23.Qd1+=) 23.Bh3 Na6 24.Qh6 Bf6 25.fg6 fg6 26.Bc8 Rc8 27.Qh3 Qe7 28.Bd2 Nab4 29.Bh6 Rfd8 30.Nc3 Qd7 31.g4 Bg7 32.Bg7 Qg7= 33.Ng5 Rd7 34.Nd5 Nd5+= 35.cd5 Nd4–/+ 36.Ne6 Qe7 37.g5= Ne6?? 38.de6+– Qg5 39.Kh1 Rdc7 40.Rf7! h5 41.Rg1 Qh6 42.Rgf1 (42.Rgf1 Qg7 43.Rg7 Kg7 44.Rf7 Rf7 45.ef7+–; 42.Qf5 Rf7 43.ef7 Kg7 44.Qc8 Kf7 45.Rf1 Qf4 46.Qd7 Kg8 47.Rf4 ef4 48.Qd6+–) 1–0. Mamuzic,M (2255) – Juhasz,Las1 (2185), 11th Festival Open A, 2007.

6.b5 e5 7.e3 =.

6.b5 Ngf6 7.d4 g6 8.Nf3 Bg7 9.e4 e5 10.c5 dc5 11.de5 Nh5 12.Qd6 cb5 13.Bb5 Qd6 14.ed6 0-0 15.e5 Nf4 16.g3 Ne6 17.Nd5 Rd8 18.Rb1 b6 19.Ne7 Kh8 20.Nc8 Rac8 21.0-0 g5 22.h3 h5 23.Rfe1 c4 1–0. Eisenhertz – Zero, ICC, 1999.

6.e3 e5 7.b5 Ngf6 8.d4 Qc7 9.Nf3 ed4 10.ed4 (worse is 10.Qd4 Nc5 11.Rd1 Be7=) 10...c5 11.d5 Ne5 12.Ne5 de5 13.Bd3 Bd6 14.h3 0-0 15.0-0 b6 16.Re1 Re8 17.Qf3 Bd7 18.g4 Re7 19.g5 e4 20.Ne4 Ne4 21.Re4 Re4 22.Qe4 Bh2?? (22...g6 23.Bf6 Bh3+–) 23.Kg2+– (23.Kg2 g6 24.d6+–) 1–0. AndyAndyO – AsceticKingK9, ChessWorld.net, 2014.

6.e3 e5 7.b5 Ngf6 8.d4 Be7 9.Nf3 Qc7 (9...cb5 10.c5 dc5 11.de5+=) 10.Rc1 0-0 11.Be2 Re8 12.0-0 Bf8 13.de5 de5 14.e4 Nc5 15.Nd2 Ne6 16.Nf3 Nf4 17.Re1 Bc5 18.Na4 Rd8 19.Qc2 Bd4 20.b6 Qe7 21.c5 Bg4 22.Nd4 ed4 23.Bd3 Qe5 24.f3 Qh5 25.Qd2 Qg5= 26.Kh1 N6h5 27.Rcd1 Be6 28.Bc1 Bb3 29.Bc2 Bc2 30.Qc2 d3 31.Qd2 Qh4–/+ 32.Nc3? Ne2! (32...Ne2 33.h3 Qe7+=) 0–1. Fett,Helmut (1760) – Hart,Martin (2025), Nuremberg–ch op, 2005.

6.e3 Ngf6 7.Nf3 g6 8.Be2 Bg7 9.Na4 Qc7 10.0-0 0-0 11.Qc2 b6 12.Rfc1 Rb8 13.Rab1 Re8 14.Bf6 (14.ba5 ba5 15.c5 d5+=) 14...Bf6 (14...Nf6 15.ba5 ba5 16.Rb8 Qb8 17.c5=) 15.ba5 ba5 16.Rb8 Qb8 17.Rb1 Qa7 (17...Qc7 18.Nc3=) 18.d4 Ba6 19.Nc3 Qc7 20.Ne4 Bg7 21.c5 Be2 22.Qe2 d5 23.Nc3 (23.Ned2 e5 24.Qa6 e4+/–) 23...Nc5 24.Nb5 (better is 24.Nd5!? cd5 25.Rc1=) 24...cb5–/+ 25.dc5 (25.Rc1 Qb7 26.Rc5 Rc8 27.Rc8 Qc8 28.Qb5 Qc1 29.Qf1 Qa3–/+) 25...b4 26.ab4 ab4 27.Rb4 Qc5 28.Qb5 Qc1 29.Qf1 Rc8 30.g3 Qa3 31.Rb1 e5 32.Qb5 Qd6 33.Qb7 Rf8 34.Rb6 Qd8 35.Rb4 Qf6 36.Qd5= ½–½. De Kruif,K (1950) – Goater,Kev (2135), Guernsey GCI, 2011.

6.Na4 Qc7 7.b5 Nf6 8.d4 Bf5 9.b6 Qe7 10.e3 Nbd7 11.Nf3 e4 12.Nd2 h5 13.Be2 h4 14.0-0 h3 15.g3 Qd8 16.d5 c5 17.Qc2 Qe7 18.Bf6 Nf6 19.Nc3 Bd7 20.Nce4 Ne4 21.Qe4 g6 22.Bg4 f5 23.Qe7 Ke7 24.Be2 Bg7 25.Ra2 g5 26.Bd3 a4 27.Nf3 Kf6 28.Re2 Rhe8 29.Nd2 Ra6 30.Rb1 Kf7 31.f4 g4 32.Kf2 Bc3 33.Bc2 Ba5 34.Ke1 Raa8 35.Kf2 ½–½. Lifshitz,Samuel (1830) – Hnatovsky,Nicholas (2260), CP–2003–F–00001, 2007.

6.b5 Nf6 7.e3 Be7 8.Be2 0-0 9.Nf3 e4 10.Nd4 c5 11.Nf5?? Bf5–+ 12.Qc2 Nbd7 13.0-0 Ne5 14.Na4 Qc7 15.Be5 de5 16.h3 h6 17.Rfd1 Rfd8 18.Qc3 b6 19.Nb2 a4 20.Qc2 Qa7 21.d3 ed3 22.Bd3 e4 23.Be2 Bd6 24.Rd2 Qe7 25.Kf1 Rf8 26.Rad1 Bc7 27.Ke1 Qe5 28.Rc1 Be6 29.Qc3 Qh2 30.Bf1 Nh7 31.Qc2 f5 32.g3 Ng5 0–1. Van Esbroeck,Dirk – Kroes,Friso (2045), BI–2009–P–00010, 2009.

6.b5 Nf6 7.e4 Nbd7 8.Nf3 Nc5 9.d4 ed4 (9...Nce4 10.Ne4 Ne4 11.Bd3=) 10.Qd4+= Be7 11.Be2 0-0 12.0-0 Bd8 13.Nd2 Re8 The pressure on e4 grows 14.Bf3 Bc7 15.Rfd1 Be6 16.h3 (16.Rab1 Rab8+=) 16...Qa7 17.Be2 Rad8 18.Qe3 Bf5 e4 seems the pivot of the position 19.Re1 Bg6 20.Bf1 Re6 21.Rad1 (21.Qg3 Rde8=+) 21...Rde8=+ e4 draws heavy fire 22.a4 Bb6 (22...Qb6 23.f3=+) 23.Qg3= Nh5 24.Qh4 Rf6 25.Nd5 cd5 26.Bf6 (26.ed5 Qb8 27.Re8 Qe8 28.Bf6 Nf6–+ (28...gf6?! 29.Ra1=+)) 26...Nf6–+ (26...gf6?! 27.ed5 Qb8 28.Ra1=) 27.ed5 Re1 28.Re1 Na4 29.g4 h6 30.Qg3 Nc5 31.Re2 (31.Qf3 a4–+) 31...a4 32.Qa3 Nd3 (33.Qd6 Bf2 34.Kh2 Bg1 35.Kh1 a3–+) 0–1. Reuter,Alfred – Riepe,Bernhard, DESC, 2000.

6.e3 Nf6 7.Nf3 Bg4 8.Na4 Qc7 9.h3 Be6 10.Be2 Be7 11.0-0 0-0 12.d4 Nbd7 13.Qc2 e4 14.Nd2 ab4 15.ab4 d5 16.cd5 Nd5 17.Nc5 Bh3? (17...Nc5 18.bc5 f5 19.Bc4=) 18.gh3 (better is 18.Ra8!? Ra8 19.gh3 Ne3 20.Qe4 Nf1 21.Bf1+=) 18...Ne3+= 19.Qe4 Nf1 20.Rf1 Nf6 21.Qf3 Nd5 22.Rb1 b6 23.Nd3 Bb4 24.Nb4 Nb4 25.Ba3 Nc2 26.Bf8 Nd4 27.Qe4 Ne2 28.Qe2 Rf8 29.Ne4 Rd8 30.Qa6 Rb8 31.Kg2 h6 32.Rb3 Re8 33.f3 Rb8 34.h4 b5 35.Rc3 b4 36.Rc6 Qd8 37.Rc2 b3 38.Rd2 Qh4 39.Qd6 Rb5 40.Rb2 Qh5 41.Qd3 Qg6 42.Kf1 Rh5 43.Qb3 Rh1 44.Ke2 Qg2 45.Nf2 Ra1 46.Ra2 Qf1 47.Ke3 Qc1 48.Kd3 Qf1 49.Ke4 Qe1 50.Kd4 Rb1 51.Ra8 Kh7 52.Qc2 g6 53.Nd3 Rd1 54.Ra6 h5 55.Kc4 Qh4 56.Kc3 Qh1 57.Qe2 Qf1 58.Qe4 Qg2 59.Qe3 Qh3 60.Ra4 Qc8 61.Rc4 Qa8 62.Rb4 Qa1 63.Kc2 Rg1 64.Qe2 Qa2 65.Rb2 Qa7 66.Qe4 Rg2 67.Kb1 Rg1 68.Nc1 Qc7 69.Rc2 Qb6 70.Ka2 Rg5 71.Rb2 Ra5 72.Kb1 Qf6 73.Nd3 h4 74.Qc4 h3 75.Qg4 Rh5 76.Rh2 Qc3 77.Qe4 Kg8 78.f4 Rb5 79.Nb2 Rb8 80.Qe2 Qb3 81.Qf1 Kg7 82.Qe2 Rb7 83.Qf1 Qc3 84.Qe2 Qg3 85.Rh1 f6 86.Qe4 Qb3 87.Qd4 Qe6 88.Rh2 Rd7 89.Qc3 Qe4 90.Ka2 Ra7 91.Kb3 Qe7 92.Qd4 Qe6 93.Kc2 Rc7 94.Kb1 Qe1 95.Nd1 Qg3 96.Rc2 Qb3 97.Rb2 Qf3 98.Rh2 Qg4 99.Nb2 g5 100.Qb6 Qc8 101.Qe3 g4 102.Nd3 Qb7 103.Nb2 Qb5 104.Ka2 Qa5 105.Kb3 Qd5 106.Ka3 Qc5 107.Qc5 Rc5 108.Nd1 Kg6 109.Kb4 Rh5 110.Ne3 g3 111.Rh1 h2 112.Kb3 Rc5 113.Kb4 Rc8 114.Ng2 Kf5 115.Rf1 Kg4 116.f5 Re8 0–1. Luzuriaga,Norberto Horacio (1980) – Orlov,Vladimir (2195), SM–2009–0-00088, 2009.

6.e3 Nf6 7.Nf3 Bg4 8.Be2 (8.Na4 Qd8=) 8...Be7 (8...ab4 9.Qb3=+) 9.0-0 Bf3 (9...ab4 10.Qb3=+) 10.Bf3+= ab4 11.Qb3 Na6 12.Na4 (12.ab4 0-0 13.b5 Nc5+=) 12...Qa5= 13.ab4 (13.Rfb1 0-0=) 13...Qb4 14.Qc2 Qa5 15.d4 ed4 16.Bd4 Qc7 17.Rfb1 0-0 18.Qf5 (18.Qb3 c5 19.Nb6 Ra7 20.Bf6 Bf6+–) 18...Nd7 19.Ra2 (19.Nb6 Nb6 20.Qg4 g6 21.Bb6 f5=) 19...Nac5 20.Nc5 dc5 21.Rab2 The backward pawn on b7 becomes a target 21...b5 22.cb5 cd4=+ 23.bc6 Ne5 24.Be4 g6–+ 25.Qf4 de3 26.fe3 Bc5 27.Rb5 Qe7 28.c7?! Rac8 29.Rd1 Nc4 30.Kh1 Qc7 31.Qf3 Nd6 32.Rbb1 Ne4 33.Qe4 Rfe8 34.Qg4 h5 35.Qa4 Be3 36.Rd7 Qc6 (37.Qd1 h4–+) 0–1. Schemm,Michael – Teplitsky,Yan (2460), Vancouver, 1998.

6.Nf3 Nf6 7.b5 Be7 8.e3 0-0 9.Qc2 g6 10.Be2 Bf5 11.e4 Be6 12.d4 Nbd7 13.0-0 ed4 14.Na4 d3 15.Nb6 dc2 16.Na8 Ra8 17.Rac1 cb5 18.cb5 Ne4 19.Rc2 Bb3 20.Rcc1 Ndc5 21.Rfe1 a4 22.g3 Bf8 23.Nd4 Bh6 24.f4 (worse is 24.Nb3 ab3 25.Rb1 Bg7+=) 24...Bg7 25.Ba1 (25.Nb3 ab3 26.Bg7 Kg7–/+) 25...Bd5 26.Rcd1 Bb3 ½–½. pvanr (2075) – retireborn (2195), gameknot.com, 2012.

7.Na4 Qa5 8.ab4 =.

7.Na4 Qc7 8.ab4 Nf6 9.d4 d5 10.c5 e4 11.Nb6 Ra1 12.Qa1 Be7 (12...Be6 13.Na8 Qd8 14.Qa5=) 13.Na8 Qd8 14.Qa7 Nbd7 15.b5 (15.Qa5 0-0=) 15...Ng4 (15...0-0!?=+) 16.bc6= bc6 17.Nc7 Kf8 18.Be2 Nh6 19.Bc3 Nf6 20.Ba5 Qd7 21.Qb6 (21.Bb6 Nf5+=) 21...Ne8 (21...Bd8 22.Ne6 Qe6 23.Qd8 Qe8 24.Qc7+=) 22.Na6 Bb7 (22...Ba6 23.Ba6 Qg4 24.Bf1+=) 23.Nh3+/– Ba6 24.Ba6 g6 25.0-0 Kg7 26.Qb7 Nf6 27.Qd7 Nd7 28.Bb7 Nb8 29.Bc7 Ng4 30.Bb8 Rb8 31.Bc6 Nf6 32.Ra1 Rc8 33.Bb7 Rc7 34.Rb1 Bd8 35.g4 Ng4 36.Bd5 Nf6 37.Bb7 h6 38.Kg2 Kf8 39.Nf4 Rd7 40.Ne2 Re7 41.d5 Re5 42.Rc1 Nd5 43.Rd1 Ne3 44.fe3 Bc7 45.Rd5 Re7 46.h4 h5 47.c6 f5 48.Nf4 Kf7 49.Kf1 (49...Kf6 50.Ke2+–) 1–0. Grott,Peter – Riepe,Bernhard, DESC, 2000.

7.Na4 Qc7 8.ab4 Nf6 9.Nf3 Bg4 (9...Nbd7 10.Be2=) 10.Be2 Nbd7 11.0-0 Bf3 (11...Be7 12.d4=) 12.Bf3 e4 (12...d5 13.c5=) 13.Be2+= Be7 (13...d5 14.c5+=) 14.d3 d5 15.cd5 cd5 16.de4 de4 17.Bb5 0-0 (17...Bb4?? 18.Bf6 gf6 19.Bd7 Ke7 20.Bf5+–) 18.Rc1 Qd8 19.Rc4 Nb8 20.Bf6 Bf6 21.Re4 (21.Qd8 Rd8 22.Nc5 b6 23.Ne4 Be5+/–) 21...Nc6+– 22.Nc5 Qb6 23.Bc4 Rfd8 (better is 23...Ne5 24.Bd5 Qb5 25.Bb7 Rab8+–) 24.Nd7 Qc7 25.Nf6 gf6 26.Qg4 Kh8 27.Qf5 Qd6 (27...Rg8 28.b5 Na5 29.Qf6 Rg7+–) 28.Rh4 (28...Qh2 29.Kh2 h6 30.Rh6 Kg7 31.Qf6 Kg8 32.Qf7#) 1–0. pcmvr (2100) – wizardofoz (2000), net–chess.com, 2006.

7.Na4 Qd8 8.ab4 Be7 9.d4 =.

7.Na4 Qd8 8.ab4 Nf6 9.d4 e4 10.d5 Be7 11.Ne2 b5 (11...cd5 12.cd5 0-0 13.Nac3 Ra1 14.Qa1=) 12.cb5 Nd5 13.Qd4 Nf6 (< 13...cb5 14.Qd5 Ra4 15.Bg7+/– (15.Qb5?! Bd7 16.Qd5 Bc6=)) 14.Nec3 Bf5 15.Be2 0-0 16.0-0 Re8 17.f3 Bd7 (17...ef3 18.Bf3 d5 19.Bd5 cd5 20.Rf5+/–) 18.b6 (18.fe4 cb5 19.Bb5 Bb5 20.Nb5 Nc6+=) 18...ef3 19.Bf3 Bc8 20.Rfd1 d5 21.e4 de4 22.Ne4 Qd4 23.Rd4 Nd5 Exerts pressure on the isolated pawn 24.Nec5 Bf6 25.b7 Bd4 26.Bd4 Bb7 27.Nb7 Nb4 28.Nbc5 Nc2 29.Rd1 Nd4 30.Rd4 Ra5 (30...Ra7 31.Kf2=) 31.Kf2 (31.Rd6 Rf8=) 31...Kf8 32.Nb7 Ra7 33.Nbc5 h6 (33...Ke7 34.Rg4 g6 35.Re4 Kd8 36.Re8 Ke8 37.Ke3=) 34.h4 Ke7 35.Ke3 ½–½. Bendig,Frank – Hanegby,Avigdor, IECG, 2000.

6.b5 e5 7.e3 Be7 8.d4 ed4 9.Na4 Qd8 10.Bd4 c5 11.Bb2 0-0 12.Nf3 b6 13.Qd2 Bb7 14.Bf6 Bf6 15.Rd1 Be7 16.Qc2 Nd7 17.Be2 Qc7 18.Nc3 Nf6 19.0-0 Rad8 20.Qf5 Qd7 21.Qd7 Rd7 22.Rd2 d5 23.Rfd1 d4 24.Na4 Rfd8 1–0. Myrberg – Woelfelschneider, email 4AMM–04 (adj) 1997.

6.b5 e5 7.e4 Nbd7 8.Nf3 c5 (8...Nc5 9.Qc2=) 9.Be2+= Be7 10.0-0 Qd8 11.Ne1 0-0 12.d3 (12.f4 Nb6+=) 12...Re8= 13.Nc2 Nf8 14.f4 Ne6 15.fe5 de5 16.Nd5 Nd5 17.cd5 Nd4 18.Nd4 ed4 19.Bh5 g6 20.Bg4 Bd6 21.Bc8 Rc8 22.Qg4 Be5 23.Rac1 (23.Bc1 c4=) 23...Qd6 24.Qh3 Rc7 25.a4 f5 26.ef5 Qd5 27.Rf3 (27.Ba3 b6=) 27...Rf7 (27...Qb3!? 28.Rf2 Qa4=+) 28.Rcf1 Rf5 29.Rf5 gf5 30.Qf5 Qe6 31.Qh5 Qg6 32.Qf3 b6 33.Bc1 Qe6 34.Bd2 Qg6 35.Qd5 Kh8 ½–½. Bonetti,Shane – Haluschka,Rainer, T15–11 ETC, 2004.

6.b5 e5 7.Nf3 =.

6.b5 g6 7.e3 Bg7 8.Be2 Nbd7 9.Nf3 0-0 10.0-0 Nc5 11.d4 Nce4 12.Ne4 Ne4 13.a4 Be6 14.Bd3 f5 15.Qc2 Qd8 16.Rfc1 Qd7 17.Rab1 Bf6 18.Ba1 Rab8 19.Be4 fe4 20.Nd2 d5 21.bc6 bc6 22.Rb8 Rb8 23.Bc3 Qa7 24.cd5 cd5 25.Nb3 Bf7 26.Nc5 e6 27.Ba5 Qa5 28.Nd7 Rb4 29.Nf6 Kg7 30.Ng4 Rc4 31.Qb2 Qb4 32.Qb1 Qa4 33.h4 Rb4 34.Qc2 Qc2 35.Rc2 Rb7 36.Kh2 h6 37.Kg3 g5 38.Ne5 Bh5 39.Rc8 Ra7 40.Rb8 ½–½. Degterev,Pavel (2225) – Wittal,Werner (1955), CP–2009–Q–00018, 2011.

6.b5 g6 7.Nf3 Bg7 8.e3 0-0 9.d4 Nbd7 10.Bd3 e5 11.0-0 Re8 12.Qc2 Qd8 13.Rfd1 Qe7 14.Bf1 e4 15.Nd2 Nb6 16.bc6 bc6 17.Rab1 Bf5 18.a4 Rab8 19.Ba3 Nbd7 20.Ne2 Nb6 21.Ng3 Bg4 22.Rdc1 c5 23.dc5 dc5 24.Rb5 Nbd7 25.h3 Be6 26.Ra5 h5 27.Rb5 Ra8 28.Qb3 Ra6 29.Nge4 Ne4 30.Ne4 Rc8 31.Rd1 Bf5 32.Bd3 h4 33.Rb7 Rca8 34.Nc3 Bd3 35.Rd3 Rd6 36.Rd6 Qd6 37.Nd5 Ne5 38.f4 Nc6 39.Rb6 Rc8 40.Qb5 Bf8 41.a5 Qd8 42.a6 Na7 43.Qb1 1–0. Uecker,Dieter (2390) – Poulheim,Dr. Karl_Friedrich (2330), corr WC35/pr02 ICCF, 2011.

6.d4 ab4 7.Qb3 c5 (7...Qd4 8.Nd5 Qa7 9.Nc7 Kd8 10.Na8 Qa8 11.ab4+–) 8.dc5 dc5 9.Na4 Qa5 10.ab4 Qb4 11.Qb4 cb4 12.Nf3 Ra6 13.e3 e6 14.Nd4 Be7 15.c5 Ra8 16.Bb5 Bd7 17.0-0 0-0 18.Rfe1 Ra5 19.Bd7 Nfd7 20.Nb3 Ra6 21.Nb6? (better is 21.Kf1!?–/+) 21...Nc5–+ (21...Bc5 22.Nd7 Nd7 23.Ra6 ba6 24.Rd1+=) 22.Nc5 Rb6 23.Rac1 Bc5 24.Rc5 Nc6 25.Ra1 Rd8 26.Rg5 e5! 27.Be5 Ne5 28.Re5 f6 29.Rc5 b3 30.Kf1 b2 31.Rb1 Ra8 32.Rd5 Ra1 33.Rdd1 Rb1 34.Rb1 Kf7 35.Ke2 Ke6 36.Kd3 Kd5 37.g3? Rb3–+ 38.Kc2 Kc4 39.e4? Rc3–+ 40.Kd2?? Kb3 0–1. Rosario,J (1970) – Luch,M (2385), Tch–POR 1st Div Final, 2010.

6.e3 ab4 7.Na4 Qc7 (7...Qd8 8.ab4 e5 9.Nf3=) 8.ab4 e5 9.Nf3 Be7 10.Be2 0-0 11.0-0 h6 (11...Bg4 12.d4 e4 13.Nd2 Be2 14.Qe2=) 12.b5 (12.d4 e4 13.Nd2 d5=) 12...cb5 13.cb5 Bf5 14.d4 Nbd7 15.Rc1 (15.de5 de5 16.b6 A) worse is 16...Nb6 A1) worse is 17.Ne5 Bc2 18.Rc1 Bd1 19.Rc7 Na4 (19...Be2?! 20.Nb6 Ra2 21.Rb1=) 20.Bd1 Bd6 (20...Nb2?! 21.Re7 Rfe8 22.Re8 Re8 23.f4=) 21.Ba4 Bc7–+; A2) 17.Be5 Qd8 18.Qd8 Bd8 19.Nc5+/–; B) 16...Qb8=) 15...Qb8 16.Nd2 Be6 17.Re1 Rc8 18.Rc8 Qc8 19.e4 ed4 (19...d5!?=) 20.Bd4+= Bd8 21.Bd3 (21.Bf3 Ba5 22.Be3 Bc4=) 21...Ba5 22.Bc2 Ne5 23.Nb6 Bb6 24.Bb6 Qc3 25.Nf1 Nh5 26.Be3 Rc8 27.Bb1 Nc4 28.Qe2 Ne3 29.Qe3 Qe5 30.Qa3 Nf4+= 31.Ng3 d5 32.Rd1 d4 33.b6 h5 34.Bd3 Rc3 35.Qa8+= Kh7 36.Bf1 d3 37.h4 Bb3 (37...Bb3 38.Rd2 Rc1–+) 0–1. Rooijen Van,Peter (1655) – Retamoza,Francisco (2240), BI–2007–P–00005, 2007.

6.e3 e5 7.c5 Qc7 8.Na4 Nbd7 9.Qc2 ab4 10.ab4 Nd5 11.b5 Nc5 12.Nc5 Ra1 13.Ba1 dc5 14.bc6 Bd6 15.f4 Nb4 (worse is 15...bc6 16.fe5 Be5 17.Qe4=) 16.Qb1 Nc6 (worse is 16...bc6 17.Nf3=) 17.Nf3 0-0 18.Bc4 ½–½. Abdullayev,Rufat (1670) – Barthel,A (2205), Wien AUT, Tschaturanga Open, 2013.

6.e3 e5 7.Nf3 Bg4 8.Qc2 ab4 9.Na4 Qd8 10.ab4 Be7 11.Be2 0-0 12.0-0 Na6 13.Qb3 Ne4 14.Rfe1 Rb8 (14...Qc7 15.d4 b5 16.cb5 cb5 17.Bb5+=) 15.Rad1 (15.d4!?+–) 15...b5+= 16.cb5 cb5 17.Nc3 Nc3 18.Bc3 Qb6 19.Qb1 Be6 20.d4 Qc6 21.Rc1 e4 22.d5 Qd5 (22...Bd5 23.Bg7 Qd7 24.Bf8 ef3 A) 25.Bf3?! Bf3 26.gf3 Rf8= (26...Kf8? 27.Qa1 f6 28.Qa6+–; 26...Bf8?! 27.Kh1 Nc7 28.Rg1 Bg7 29.Qe4=); B) 25.Be7 fe2 26.e4+–) 23.Red1 Qb7 24.Nd2 d5 Exerts pressure on the isolated pawn 25.Qb2 f6 26.Nb3 Rfc8 (26...Nb4? 27.Bb4 Bb4 28.Nd4+–) 27.Ra1 (27.Nd4 Bd7=+) 27...Ra8 (27...Bb4 28.Bf6 gf6 29.Qf6=) 28.Ra5 (28.h3!?=) 28...Rc3!–/+ (28...Nb4 29.Rb5 Qb5 30.Bb5+–; 28...Bb4? 29.Bb4 Nb4 30.Ra8 Qa8 31.Nd4+–) 29.Qc3 Bb4 30.Qb2 (30.Rb5?? Qb5 (30...Bc3 31.Rb7 Nb4 32.Rc1+–) 31.Qf6 Qd7–+) 30...Ba5 31.Na5 Qb6 32.Nb3 Nc7 33.Rc1 Bf7 34.Nd4 b4 35.h4 Ne8 36.g3 (36.Bb5 Qa5 37.Be2 Nc7–/+) 36...Qb7 (36...Nd6!? 37.Rb1 Rb8–+) 37.Bb5 Qe7 38.Bc6 Rb8 39.Qb3 Nc7 40.Ba4 Ra8 (40...Qd6 41.Rc6 Qe5 42.Rc1–/+) 41.Rb1 (41.Nf5 Qe5 42.Qb4 Qf5 43.Rc7 h5=+) 41...Qc5 42.Qb4 Qb4 43.Rb4 Ne6 44.Bc6 Rd8 45.Kf1 Nd4 46.ed4 Rc8 47.Ba4 (47.Rb5 Rc6 48.Rb8 Be8 49.Re8 Kf7=+) 47...g5 48.Ke2 Kg7 49.Bb3 gh4 50.gh4 Rc3 51.Rb7 Kg6 52.h5 Kh5 53.Rf7 Rb3 54.Rh7 (54.Rf6 Rf3 55.Rd6 Rf5–/+) 54...Kg5 (54...Kg4!? 55.Rd7 f5 56.Rd5–+) 55.Rd7–/+ Rb2 56.Ke3 Rb3 57.Ke2 Rb5 58.Rc7?? (better 58.Ke3–/+) 58...Rb2–+ 59.Ke3 Rb3 60.Ke2 Rd3 61.Rg7 Kf4 62.Rd7 (62.Rf7 Kf5–+) 62...Rd4 63.Rd8 f5 64.Rd7 Rd3 65.Rd8 Ke5 66.Re8 Kd4 67.Rf8 Rf3 68.Rf7 f4 69.Rf8 (69.Rf6 Ke5 70.Rf8 Ra3–+) 69...Kc3 70.Rc8 Kb2 (70...Kb3 71.Rd8 Rd3 72.f3 Re3 73.Kd2 Rf3 74.Rd5–+) 71.Rb8 (71.Rc5 d4 72.Rd5 d3 73.Ke1 Rh3–+) 71...Rb3 (better 71...Kc2 72.Rd8 Rd3–+) 72.Rd8 (72.Rc8–+) 72...f3 73.Ke1 Kc2 74.Rc8 Rc3 (better 74...Kd3 75.Rc1 Rb8–+) 75.Rd8 (75.Ra8 d4 76.Ra2 Kb3 77.Ra8–+) 75…Rc5 0–1. Shohat,Yotam (2155) – Parkhov,Yair (2335), ch–ISR Youth U18 (7), 2019.

6.Nf3 ab4=+ 7.ab4 Ra1–/+ 8.Qa1 Qb4 9.e3 e5 10.Bd3 Be7 11.0-0 0-0 12.Rb1=+ Qb6 13.Bc2 Re8 14.d4=+ ed4 15.ed4 Qa6–/+ 16.Qa6 Na6 17.Ba3 Nc7 18.h3 Bf8 19.Bd3 Ne6 20.Bc1 g6 21.Be3 Bg7 22.Bc2 Kf8 23.Ra1 h6 24.Rd1 Ke7 25.d5 cd5 26.cd5 Nc7 27.Bb6 Na6 28.Bd4 Nh5 29.Bg7 Ng7–/+ 30.Re1 Kf8 31.Rb1 Nc5 32.Nb5 Rd8 33.Nd2 Ne8 34.Nc4 Attacks the isolani on d6 34...Bd7 35.Nbd6= Nd6 36.Nd6 Ba4 37.Ba4 The pawn on b7 gets attacked 37...Rd6 38.Bc2? Rd5–/+ 39.Rb5 g5 40.g3 Ke7 41.Kg2 Kd6 42.Rb6 ½–½. van Daatselaar,JB (2185) – van Unen,Hans (2370), KE05 NBC Email, 2002.

7.Na4 Qc7 +=.

7.Rb1 Bg7= 8.Na4 Qc7 =.

7.Rb1 Bg7 8.bc6 Qc6 9.Nd5 =.

7.Rb1 Bg7= 8.bc6 Qc6 9.Nf3 0-0 10.d3 Na6 11.e4 Nc5 12.Nd4 Qd7 13.Ndb5 Re8 14.Be2 Ne6 15.Qd2 Nc7 16.0-0 Nb5 17.Nb5 e5 18.Bc3 Qd8 19.Qg5 Be6 20.Kh1 h6 21.Qg3 g5 22.Bd2 Qe7 23.Rb2 Red8 24.Rfb1 Rd7 25.Nc3 Rc7 26.Be3 Ra6 27.Kg1 Kh7 28.Bd1 Ne8 29.Bb6 Rc8 30.Nd5 Bd5 31.cd5 Rc3 32.Be3 Rc7 33.Qh3 Ra8 34.a4 Kg8+/– 35.Rb5 Nf6 36.Bb6 White terminates the opponent with strong threats 36...Rc3 37.Ba5 Ne4 38.Bc3 Nc3 39.Rb7 Qf8 40.Rc1 Nd1 41.Rd1 Ra4 42.Rdb1 Ra8 43.Qf5 Qe8 44.Rc1 (44...Ra2 45.Rcb1=). Woelfelschneider,Peter – Wittal,Werner, PCM–2003–G2 TSC, 2003.

7.Rb1 Bg7 8.e4 0-0 9.Nf3 Nbd7 10.d4 c5 11.d5 Qd8 12.Bd3 e6 13.0-0 ed5 14.ed5 Ng4 15.Re1 Nge5 16.h3 Nf3 17.Qf3 Ne5 18.Qe2 Bh3? 19.gh3+– Qg5 20.Kh1 Rae8 21.Qe3 Qh4 22.Bf1 Nc4 23.Qe8+– Ne5 24.Qf8 Kf8+/– 25.Ne4 Nf3 26.Re3 Qf4 27.Bg7 Kg7 28.Ng3 Nd2 29.Rbe1 c4 30.Bg2+= Qf2 31.R1e2 (31.Ne4 Ne4 32.Re4 Qc5=) ½–½. Van Rooijen,Peter (1640) – Becker,Axel (2045), IECG, 2000.

7.e4 Bg7 8.d4 0-0 =.

7.Nf3 Bg7 8.e3 0-0 9.d4 Nbd7 10.Bd3 e5 11.0-0 Re8 12.Qc2 Qd8 13.Rfd1 Qe7 14.Bf1 e4 15.Nd2 Nb6 16.bc6 bc6 17.Rab1 Bf5 18.a4 Rab8 19.Ba3 Nbd7 20.Ne2 Nb6 21.Ng3 Bg4 22.Rdc1 c5 23.dc5 dc5 24.Rb5 Nbd7 25.h3 Be6 26.Ra5 h5 27.Rb5 (worse is 27.Nde4 Ne4 28.Ne4 Bf5+/–) 27...Ra8 28.Qb3 (28.Nge4?! Ne4 29.Qe4 Ra4+/–; 28.Nde4?! Ne4 29.Ne4 Bf5+=) 28...Ra6 29.Nge4 Ne4 30.Ne4 Rc8 31.Rd1 Bf5 32.Bd3 h4 33.Rb7 Rca8 34.Nc3 Bd3 35.Rd3 Rd6 36.Rd6 Qd6 37.Nd5 Ne5 38.f4 Nc6 39.Rb6 Rc8 40.Qb5 Bf8 41.a5 Qd8 42.a6 (42.Rc6?! Rc6 43.Bb2 Re6+/–; worse is 42.Bc5 Na7 43.Bf8 Nb5+–) 42...Na7 43.Qb1 1–0. Uecker,Dieter (2390) – Poulheim,Karl_Friedrich (2330), WC35/pr02 ICCF, 2011.

8.bc6 bc6 9.e4 Bg7 +=.

8.e3 Bg7 9.d4 0-0 10.Nf3 d5 11.Bd3 cb5 12.Nb5 dc4 13.Bc4 Bf5 14.Bd3 Bd3 15.Qd3 Nbd7 16.0-0 Nc5 17.Qe2 Nce4 18.Ne5 Rc8 19.Rfc1 Qb6 20.a4 Qe6 21.f3 Nd6 22.Nc7 Qb3 23.Bc3 Qa4 24.Be1 Bh6 25.f4 b6 26.Rc2 Rc7 27.Rc7 Nd5 28.Rcc1 Bg7 29.Nc4 Nc4+= 30.Rc4 Qd7 31.Bd2 Ra8 32.e4 Nc7 33.d5+/– a4 34.Bc3 b5 35.Rc6 Bc3 36.Rc3 a3 37.Ra1 b4+= 38.Rb3 Ra4 39.Qc4 Na6 40.e5 Qa7= 41.Kh1 Nc5 42.Rb4 Nd3 43.Qd3 Rb4 44.h3 Rf4 45.Ra3 Qf2 46.Kh2 Rd4=+ 47.Qg3 Qg3 48.Kg3 Rd5 49.Kf4 Kg7 ½–½. Schulz,Hans_Juergen – Blankenberg,Bruno, TT–15.15 ETC, 2005.

8.e4 Bg7 9.d4 0-0 10.Nf3 Nbd7 11.bc6 bc6 12.Be2 e5 13.0-0 Rb8 14.de5 Ne5 15.Na4 Rb2 16.Rb2 Ne4 17.Nd2 f5 18.Rb8 Qe7 19.Ne4 fe4 20.Nb6 Be6 21.Rf8 Bf8 22.Qd4 Bf5 ½–½. Echtwelzo – BlackPanther, playchess.de, 2004.

8.Nf3 Bg7 +=.

8.g3 Bg7 9.Bg2 0-0 10.Nf3 d5 11.bc6 bc6 12.0-0 Ba6 13.cd5+= cd5 14.d3 Nc6 15.Qa4 Rc8 16.Rfc1 e6 17.Nd1 Qd7+= 18.Bc3 h6 19.Ba5 Na5 20.Qa5 Rc1 21.Rc1 Qb5 22.Qb5+/– Bb5 23.Rb1 Bd7 24.Ne3 Ra8 25.Nc2 Bf8 26.d4 Ba4 27.Nfe1 Rc8 28.Nb4 Rc3 29.Ra1 Ne4 30.Ned3 Nd2 31.e3 Nc4 32.Nc5+= Bc5 33.dc5+/– Na5 34.Na6 ½–½. Yudasin,Leonid (2575) – Epishin,Vladimir (2550), New York op, 1990.

6.Qb3 Qd8 7.ab4 Ra1 8.Ba1 Bf5 9.e3 Nd7 10.Nc3 e5 11.Nf3 Qa8 12.Bb2 Bg4 13.Be2 Bf3 (13...Ngf6!?+/–) 14.Bf3+– Be7 15.0-0 Ngf6 16.d5 (16.Ne4 Ne4 17.Be4 Nf6+/–) 16...Qc8 17.dc6 bc6 18.Qa4 c5 19.b5 0-0 20.Rb1 Nb6 21.Qb3 Qe6 22.Be2 Qf5 23.Ra1 Rd8 24.Ra7 Rd7 25.Ra6 Bd8 26.Ra1 Qg6 (better is 26...Kh8+/–) 27.Qa3 (27.Na4 Nc8+/–) 27...h6 (27...e4 28.Qa6 d5 29.Na4 Na4 30.Qa4=) 28.Rb1 (28.Qb3 d5 29.cd5 Nfd5+=) 28...Qf5 (28...e4!?=) 29.Qb3 Ra7 30.Ba1 (30.Rf1 Rd7+/–) 30...Be7 31.Bf1 (31.Rd1 e4+=) 31...Ng4 32.Nd1 d5 33.cd5 c4 34.Qb2 (34.Qc4 Nc4) 34...Ba3 35.Qa2 Ra8 36.h3 Nf6 37.g4 (better is 37.Nc3=) 37...Qg6–/+ 38.Nc3 Bc5 39.Qb2 h5 40.Bg2 hg4 41.hg4 Ng4 42.Qd2 Bb4 43.e4 Bc5 44.Nd1 Re8 45.Rc1 Nf6 46.Nc3 Nh5 47.Ne2 Qg4 48.Qc2 (better is 48.Kf1–/+) 48...Qh4–+ 49.Rf1 Nf6 50.Bf3 g5 51.Bb2? (better is 51.Qc3–+) 51...Kg7 (51...g4 52.Bg2 g3 53.Ng3–+) 52.Qc3 Na4 53.Qc4 (53.Qe5 Re5 54.Be5–+) 53...Ng4 54.Be5 Ne5 55.Qb3 (55.Qc1 Rh8 56.Bh5 Qh5 57.Qg5 Qg5 58.Ng3 Qg3) 55...Rh8 (56.Bh5 Qh5 57.Qh3 Qh3 58.b6 Nf3) 0–1. Bonetti,Shane – Tinker (2320), ICC, 2002.

6.c5 Qd8 7.ab4 Ra1 8.Ba1 dc5 9.bc5 Nf6 (9...e5 10.e3=) 10.Nf3+= Bg4 (10...Nbd7 11.Nbd2+=) 11.e3 (11.Ne5 Be6+=) 11...b5 12.cb6 Qb6 13.Be2 e6 14.0-0 Be7 15.Nbd2 0-0 16.Nc4 Qc7 17.Qc2 Nbd7 18.Rc1 Bf5 19.Bd3 Bd3 20.Qd3 c5 21.Nce5 Ne5 22.Ne5 Rd8 23.Qc3 Rc8 24.Nd3 c4 (24...Nd5 25.Qe1 c4 26.e4=) 25.Ne5 (25.Nb2=) 25...Nd5 (better 25...Bd6!?=) 26.Qc4+/- Qc4 27.Rc4 (27.Nc4? Nb6-+) 27...Rc4 28.Nc4 f6 (28...Bb4 29.f3+/-) 29.g3 Kf7 30.Kf1 h5 31.Ke2 h4 (31...f5 32.f3+/-) 32.e4 hg3 33.hg3 (33.ed5?? gh2 34.de6 Ke6-+) 33...Nb4 34.Bc3 Nc6 (34...g5 35.g4+-) 35.Ke3 g5 36.f4 g4 (36...gf4 37.gf4 f5 38.ef5 ef5 39.Ne5 Ne5 40.fe5+-) 37.Nb2 (better 37.f5!? ef5 38.ef5 Na7+-) 37...Ba3 38.Nd3 Be7 39.Bd2 (better 39.f5 ef5 40.ef5+-) 39...Nb4?? (39...Bd8 40.Nc5+/-) 40.Nf2 (better 40.Bb4 Bd8 41.d5+-) 40...Nc2? (40...f5 41.Bb4 Bb4 42.Ke2+/-) 41.Ke2?? (better 41.Kd3 Nb4 42.Kc4+-) 41...Nd4+/- 42.Ke3 (42.Kd3 Nb3 43.Ng4 Nd2 44.Kd2 Bb4 45.Ke2 Kg6+/-) 42...Bc5 43.Kd3 (43.Ng4 Nf5 44.Kf3 Nd4 45.Kg2 f5 46.Ne5 Kg7 47.ef5 ef5+/-) 43...Nb3 (43...Nf5 44.Ng4 (worse 44.ef5 Bf2 45.Ke4 Bg3=+) 44...Ng3 45.e5=) 44.Be3 (better 44.Ng4!? Nd2 45.Kd2 Bb4 46.Ke3 Bc5 47.Kd3+/-) 44...Be3 45.Ke3 Nc5 (better 45...f5=) 46.Ng4+/- e5? (better 46...Ke7+/-) 47.fe5+- f5 (47...f5 48.ef5 Nb3+-). ClayPigeons (2135) - SiSiS (2245), Rated Bullet game, lichess.org, 2020.

6.c5 Qd8 7.ab4 Ra1 8.Ba1 Nf6 9.Nd2 d5 (9...Na6!? 10.Qb3 g6=) 10.e3 h6 (10...Bf5 11.Ngf3+=) 11.Ngf3 b5 (11...Bf5 12.Qb3+=) 12.Bd3 Qc7 13.0-0 g6 14.Qc2 Bg7 15.Ne5 Nbd7 16.h3 0-0 17.f4 Nh5 18.g4 Nhf6 19.Ndf3 White prepares the advance g5 19...Rd8 (19...h5 20.f5 hg4 21.hg4 Ne5 22.Ne5+=) 20.Bc3 Nf8 (20...Ne5 21.de5 Ne4 22.Be4 de4 23.Nd4+–) 21.Kg2 Bb7 (21...N8d7!?+–) 22.g5 N6d7 23.gh6 (better 23.Ng4!? hg5 24.fg5+–) 23...Bh6+– 24.Rg1 1–0. UncleBulgaria (2400) – Ultima.X (2085), ChessWorld.net, 2016.

7.dc5 Qa5 8.ab4 Qb4 9.Bc3 Ra1 10.Bb4 Na6?? (10...Bf5 11.e4! Be4+-) 11.Bc3 Ra2 (11...Rb1 12.Qb1 f6+-) 12.Qb3 1-0. zembelek (2035) - chert843 (2115), Rated Blitz game, lichess.org, 2013.

7.dc5 Qc5 8.ab4–/+ Qb4 9.Bc3 Ra1 10.Bb4 Bf5 11.e4 Be4 12.Bd3 Bg2?? (better 12...Nf6 13.Be4 Ne4+–) 13.Qg4 e6 (13...Nd7 14.Qg2 Ngf6 15.Bc3+–) 14.Bf8 (14.Qg2?! Bb4 15.Ke2 Ra2 16.Kd1 Bf8=) 14...Kf8 15.Qg2 Nf6 16.Qg3 Nbd7 17.Qd6 Ke8 18.Nf3 (18.Nf3 Rg8 19.Nfd2+–) 1–0. Jung – Brinkmann,Wilhelm, corr SOK–87–04, 1987.

9.Ba1 Na6 10.Qa4 e5 (better 10...Qf4!? 11.e3 Qb4 12.Qb4 Nb4–/+) 11.e4= f6 (11...b5 12.Qa3=) 12.Ba6 (12.Nc3 Nb8+=) 12...ba6= 13.Nf3 g5 (13...a5!? 14.Qa5 Qa5 15.ba5 Bc5=) 14.0-0+– h5 (14...Bb7 15.Rd1+–) 15.Rd1 (15.Nc3 a5+–) 15...h4 (15...a5 16.ba5 Bg4 17.Nbd2+–) 16.Nc3+– Nh6?? (better 16...g4 17.Nd2 g3+=) 17.Nd5+– Qb7 18.Nf6 Kf7 19.Ne5 Kf6 20.Nc6 Kg6 21.Bh8 Bd7 (21...Kh7 22.Qa1 Qc6+–) 22.Rd7! (22.Rd7 Qd7 23.Ne5 Kh7 24.Qd7 Kh8 25.c6 Bg7 26.Qe8 Bf8 27.c7 a5 28.Qf8 Ng8 29.c8Q Kh7 30.Qg8 Kh6 31.Qg6) 1–0. DEFFM – GuestHHWN, freechess.org, 2018.

9.Ba1 Na6 10.Bc3 e5 11.Nf3 f6 12.e3 Nb8? (12...b6 13.Qa4 b5 14.Qc2=) 13.Bc4 (13.Ne5!? Ne7 14.Qh5 g6 15.Qh4+–) 13...Ne7 14.Qb3 Ng6 (14...Nd5 15.Bd5 cd5 16.Qd5+=) 15.Nbd2 Be7 16.h4 b6 17.h5 Nf8 18.h6 g6 19.Ne4 (19.Ne5 bc5 20.Bf7 Kd8 21.bc5 fe5 22.Nc4 Bc5 23.Ba5 Qa5 24.Na5+–) 19...bc5 20.bc5 Bf5 21.Nfd2 Nbd7? (21...Kd7+–) 22.Bb4?? (better 22.Bf7!? Kd8 23.Nc4 Be4 24.Ba5 Bc5 25.Bc7 Kc7 26.0-0+–) 22...Qb7 (22...Qa7 23.0-0 Bc5 24.Bc5 Nc5 25.Nc5 Qc5 26.Ra1+–) 23.f3 (23.0-0!?+–) 23...Be4 24.Ne4 f5 25.Nd6 Bd6 26.cd6 c5 (better 26...Nf6!?+–) 27.Bc3+– Threatening mate... how? 27...Qb3 28.Bb3 Nb6 29.Be5 (29.Be5 c4 30.Bc4 Nc4 31.Bh8 Nd6 32.Ke2+–) 1–0. BeepBeepImAJeep – fhaan_chui (1940), lichess.org, 2016.

9.Ba1 Na6 10.Bc3 Nf6 11.Nf3 Nd5 12.Qb3 Nc3 13.Nc3 (worse 13.Qc3 Qf4 14.e3 Qb4 15.Qb4 Nb4-/+) 13...e5 (13...Qf4 14.e4 Qc1 15.Nd1=+) 14.e4 Be6 15.Bc4 Bc4 16.Qc4 Be7 17.0-0 0-0 18.Nd1 Rd8 19.Ne3 g6 (19...Nb8 20.Qc3+=) 20.Rb1 (20.Ng4 Bf8+/-) 20...h5 21.h3 Kg7 22.Rc1 Bf6 23.b5 (23.Qc3 Qe7+=) 23...Nb8 (23...cb5 24.Qb5 Qc6 25.Qc6 bc6 26.g4=) 24.bc6 (24.b6 Qe7+=) 24...bc6+= 25.Qc3 (25.Ra1 Be7=) 25...Nd7= 26.Rd1 (26.Ne1 Ra8=) 26...Rb8 (26...Be7!?=+) 27.g4+= hg4 (27...Kg8+=) 28.hg4 (better 28.Ng4 Be7 29.Nfe5 Ne5 30.Ne5+=) 28...Kg8=+ 29.g5 Bg7 30.Ng4 Now all is on e5 30...Rb5 Exerts pressure on the isolated pawn 31.Qd3 (31.Nh6 Kf8 32.Nf7 Kf7 33.Qc4 Kf8+-) 31...Nc5-/+ 32.Qd8 Qd8 33.Rd8 Kh7 34.Nf6 (34.Rd6!?=+) 34...Bf6-/+ 35.gf6 Ne4 36.Rf8 (36.Rd7 Kh6 37.Rf7 Ng5 38.Ng5 Kg5-/+) 36...Rb7 (36...g5!? 37.Rf7 Kg6 38.Rc7 Kf6 39.Rc6 Kf5 40.Rc2-+) 37.Ne5-/+ Nf6 38.Nc6 Kg7 39.Rc8 Rb1 (39...Rb2 40.Nd4-/+) 40.Kg2 Rb2 41.Kf3 Nd5 42.Ne5 (42.Rd8 Rb3 43.Ke4 Nf6 44.Kf4 Rb5-/+) 42...Rb3 (42...f5 43.Nd3 Rb3 44.Ke2-/+) 43.Ke4 Nf6 44.Kf4 Rb4 45.Kf3 Rb3 46.Kf4 Nh5 47.Ke4 Nf6 (better 47...f5!? 48.Kd4 Nf4-/+) 48.Kf4= ½-½. Timmermans,Mark (2385) - Ibrayev,N (2385), Titled Tuesday 4th May, 2021.

9.Ba1 e5 10.Nf3 (10.Nd2 Nd7=) 10...f6=+ 11.e4 Be6 (11...b6 12.Qb3=+) 12.Nbd2 (12.Bc3=) 12...Ne7 (better 12...b6!?=+) 13.Bc4+= Bc4 14.Nc4 Ng6 15.Nd6 (better 15.0-0!?+=) 15...Bd6= 16.cd6 Qd8 (16...Qb6 17.Bc3=+) 17.0-0 Nd7 (17...Qd7 18.Re1=) 18.Qb3+= Kf8 (18...Ndf8 19.Rd1+=) 19.Rd1+/- Qe8 20.h4 (20.Bc3 Qf7 21.Qa4 Qc4 22.Qa8 Kf7 23.Qb7 Ke6+/-) 20...Qf7 (20...Nf4 21.Qa2+=) 21.Qa4+/- Nf4 (21...Qe8 22.Qa7 b6 23.Qc7+/-) 22.Qa7 (22.Qa8 Qe8 23.Qb7 c5+-) 22...Qe8 (22...Qh5 23.Rd2 (23.Qb7? Qg4 24.g3 Qf3 25.Qc8 Kf7 26.Qd7 Kg6 27.gf4 Qd1 28.Kg2 Qa1-+) 23...Qg4 24.Ne1+=) 23.Qb7+- c5 24.bc5 Nc5 25.Qa7 Nd7 26.Bb2 (26.Rb1 Qc8+/-) 26...Ne6 (26...Qe6 27.Bc1 Ng2 28.Kg2 Qg4 29.Kh2 Qf3 30.Rg1 Qe4 31.Qd7 Qh4 32.Kg2+-) 27.Ba3 Kf7 28.h5 (28.Rb1 Nd8+-) 28...g6 (28...Nf4 29.h6!+/-) 29.Nh4 (29.Rb1 Nef8+-) 29...gh5? (29...Nf4!?+/-) 30.Nf5 (30.Rb1 Nd8 31.Nf5 h4+-) 30...Kg6 (30...Ng5 31.Rb1 Qe6 32.Rb7+-) 31.Rd3 (31.Ne7 Kg7+-) 31...Kf7 32.Rg3 (32.Rc3 Nef8+-) 32...h6 (32...h4 33.Nh6 (33.Nh4?! Nd4+-) 33...Kf8 34.Rb3+-) 33.Qb7 (33.Rb3 Nd8+-) 33...Rh7 (33...Ng5 34.Qb5+-) 34.Qd5 (34.Bc1 h4 35.Rg4 h5 36.Rh4 Qd8+-) 34...Ndf8?! (34...Qc8+-) 35.Rg7 (35.d7 Qd7 36.Nd6 Ke7 37.Rb3+-) 35...Rg7-+ 36.Nh6 (better 36.Ng7 Kg7 37.Bc1-+) 36...Kg6 37.Nf5 Qa4 (37...Ra7 38.Qd3-+) 38.Qd3? (better 38.Ng7 Kg7 39.Bc1-+) 38...Qa3 (better 38...Rb7 39.Bc1 Nd4-+) 39.Qa3+- h4 (39...Rd7 40.Kh2+-) 40.Qh3 (better 40.Ng7 Ng7 41.Qa8+-) 40...Nf4 (40...Rh7 41.Nh4 Kf7 42.Qg4+-) 41.Qh4 (41.Qg4 Kf7 42.Qg7 Ke6 43.Qe7) 41...Kf7 (41...Rh7 42.Qg3 Kf7 43.Qb3 N4e6+-) 42.Qg4 (better 42.Ng7 Kg7 43.d7+-) 42...Kg8?? (better 42...Rg4 43.Nh6 Ke6 44.Ng4 Ne2 45.Kf1 Nc3-+) 43.f3 (43.Qg7) 43...Rg4-/+ 44.fg4? (44.Nh6 Kg7 45.Ng4 N4e6=+) 44...Ne2 (better 44...Nd3!? 45.Kf1-+) 45.Kh2? (better 45.Kf2 Nd4 46.Ke3-+) 45…Nd4 0-1. ClayPigeons (2120) - Perezsaurio (2265), Rated Bullet game, lichess.org, 2020.

9.Ba1 Nf6 10.Nf3 g6?? (better 10...b6=) 11.Be5+– Qd7 12.Bb8 Qd1 13.Kd1 Bg7 14.Be5 0-0 15.Bf6 Bf6 16.e4 Bg4 17.Bc4 Ra8 (17...Bf3 18.gf3 b5 19.Bb3+–) 18.Kc2 e5 (18...Bf3 19.gf3 b6 20.cb6+–) 19.Rd1 (19.Rd1 Bf3 20.gf3+–; 19.Nbd2!? Ra4 20.Kb3 Ra7+–) 1–0. Kleinke,Uwe – Wolniak,W, corr DDR–ch I757, 1988.

10.Nd2 bc5 11.bc5 Nd7 12.Qc2=+.

10.Nd2 e5 11.e4 (11.Nc4!? f6 12.Nd6 Bd6 13.cd6= (worse 13.Qd6 Qd6 14.cd6 Kd7-/+)) 11...bc5=+ 12.bc5 (12.b5 cb5 13.Bb5 Bd7=+) 12...Bc5-/+ 13.Ngf3 (13.Bc4 Nf6-/+) 13...f6 (better 13...Qa7 14.Bc4 Bf2 15.Ke2 Qe3 16.Kf1 f6-+) 14.Bc4=+ Qb6 15.0-0 Bg4 16.Qc2 Ne7 17.Rb1 (17.Nb3 Nd7=) 17...Qa7 (17...Bf2 18.Kf1 Qa7 19.Ne5 fe5 20.Be5 Nd7 21.Bg7 Bd4 22.Bh8 Bh8=+) 18.Qb3? (better 18.Ne5!? fe5 19.Be5 Bf2 20.Kh1=+) 18...Bf2-/+ 19.Kh1 Nd7 20.Bf7 Kf8 21.Be6 Be6 22.Qe6 Nc5 23.Qd6 Kf7 24.Be5 Qd7 (24...fe5 25.Ne5 Ke8 26.Rb8 Qb8 27.Qb8 Nc8 28.Qc8 Ke7 29.Qc7 Kf6 30.Qd6 Ne6 31.Ng4 Kf7 32.Qd7 Kg6 33.Qe6 Kh5 34.Qf5 g5 35.Qf7 Kh4 36.Nf6 Re8 37.Qh7) 25.Qd7 Nd7 26.Bf4 Ng6 27.Bc7 (27.g3 Ra8-/+) 27...Rc8-+ 28.Ba5 c5 29.Bc3 Nge5?? (29...Ke6 30.Rf1 Be3 31.Nc4-+) 30.g3?? (better 30.Ne5 Ne5 31.Be5 fe5 32.Rf1+/-) 30...Nf3-+ 31.Nf3 Ke6 (31...Ra8 32.Kg2 Be3 33.e5-+) 32.Kg2-/+ Ne5?? (better 32...Be3-/+) 33.Kf2 Ng4 (33...Nf3 34.Kf3 Ra8 35.Ke2+-) 34.Kg2 (34.Ke2 Re8+-) 34...Nh6 (34...Ne3 35.Kh3+-) 35.Kf1 (35.Rb6 Kd7+-) 35...Nf7 36.Nd2 Nd6 (36...Ne5+-) 37.Nc4?? (37.Rb6!? Kd7+-) 37...Ne4?? (better 37...Nc4 38.Ke2 Ra8-+) 38.Be1 (better 38.Re1 f5 39.Bg7+-) 38...Kd5?? (38...Rd8 39.Rb6 Kf7 40.Bf2+/-) 39.Ne3 (better 39.Nb6 Ke5 40.Nc8+-) 39...Kd4 (better 39...Kc6+/-) 40.Rd1?? (better 40.Nf5 Ke5 41.Ng7+-) 40...Ke3-+ 41.Bf2 (41.Ba5-+) 41...Nf2 42.Re1 Kf3 43.Re2 (43.Kg1 Nd3 44.Rd1 c4-+) 43...Ne4 44.Rf2 (44.Re1-+) 44...Nf2 45.Kg1 c4 (45...Rd8 46.h3 Rd1 47.Kh2 Rh1) 46.Kf1 (46.h3 Rd8 47.Kh2 Rd1 48.g4 Rh1) 46...c3 (46...Rd8 47.Ke1 Rd1) 47.Ke1 (47.h3 c2 48.Kg1 c1Q 49.Kh2 Qh1) 47…c2 (47...c2 48.Kd2 c1Q; 47...Rb8 48.h3 Rb1) 0-1. ClayPigeons (1995) - Mitorun (2280), Rated Bullet game, lichess.org, 2019.

10.Bd4 bc5–/+ 11.bc5 (11.Bc5 Na6–/+) 11...e5 12.Bc3 Bc5 13.Nf3 Nf6 14.e3 Nbd7 15.Qc2 Nd5 16.Bc4 0-0 (16...Nc3 17.Nc3 Nb6 18.Bb3+=) 17.Bd5 (17.0-0 Bd6–/+) 17...cd5 18.Ne5 Ne5 (18...Qe5 19.Be5) 19.Be5 Qe5 20.Qc5 Ba6 21.Qd4 Qf5 22.Na3? Rc8–+ 23.Qd2 Qe5 24.Nb1 Qa1 (24...Qa1 25.Qb4 Qa2–+) 0–1. Stabenow,Juergen – Geller,AG, corr ICCF EU/M/GT/067 (year?).

10.Nf3 Na6 A) 11.e4 A1) 11...bc5 12.Ba6 (12.Be5 Qb6 13.Ba6 Ba6 14.bc5 Qc5 15.Nc3 Nf6 16.Qb3 Nd7 17.Bd4=+ –0.59; 12.b5 Nb4 13.Nc3 Bd7 14.Bc4 e6 15.0-0 Nf6 16.Qd2 Be7 17.Rd1=+ –0.47) 12...Ba6 13.bc5 Qa5 14.Bc3 Qc5 15.Ne5 Bc8 16.0-0 e6 17.Bd4+= 0.28; A2) 11...Nb4 12.cb6 (12.Be5 Qa7 13.cb6 Qb6 14.Bd4 Qa5 15.Nbd2 Qa2 16.Bc4 Nc2 17.Kf1–/+ –0.72; 12.Bc4 bc5 13.Bf7 Kf7 14.Ne5 Ke8 15.Qh5 g6 16.Ng6 hg6 17.Qh8–/+ –1.28) 12...Qb6 13.Bd4 Qd8 14.Bc4 Bg4 15.0-0 Nh6 16.Be2 f6 17.Nbd2=+ –0.34; B) 11.e3 B1) 11...Nb4 12.Bc4 (12.cb6 Qb6 13.Bc4 Nf6 14.0-0 e6 15.Bf6 gf6 16.Nc3 Be7 17.Ne4= –0.19; 12.Be5 Qa7 13.cb6 Qb6 14.Nc3 f6 15.Bd4 Qa5 16.Nd2 e5 17.Nc4–/+ –0.97; 12.Qb3 bc5 13.Bc4 e6 14.Be5 Qe7 15.Nc3 f6 16.Bb8 Qb7 17.Be6=+ –0.50) 12...bc5 13.Bf7 Kf7 14.Ne5 Ke8 15.Qh5 g6 16.Ng6 hg6 17.Qg6= 0.00; B2) 11...bc5 12.bc5 (12.Be5 Qb6 13.Ba6 Ba6 14.bc5 Qc5 15.Nc3 Nf6 16.Bd4 Qa5 17.Qb1=+ –0.69; 12.Ba6 Ba6 13.bc5 Qa5 14.Nbd2 Qc5 15.Bd4 Qb5 16.Ne4 Nf6 17.Nc3=+ –0.69; 12.b5 Nb4 13.Qa4 Nf6 14.Be5 Qb7 15.Nc3 Bd7 16.b6 Nfd5 17.Nd5=+ –0.56) 12...Nc5 13.Bc4 f6 14.0-0 e5 15.Nc3 Bg4 16.e4 Ne7 17.h3=+ –0.44; C) 11.Bd4 bc5 12.bc5 f6 13.e4 e5 14.Ba6 Qa5 15.Qd2 Qa6 16.Be3 Qc4 17.Qb2=+ –0.59; D) 11.Be5 Qb7 12.e4 (12.cb6 Qb6 13.Nbd2 Qb4 14.e4 Nf6 15.Nd4 Qc5 16.N4f3 Nb4 17.Bc4=+ –0.56; 12.e3 Nb4 13.cb6 Qb6 14.Nbd2 f6 15.Bd4 Qa5 16.Bc4 e5 17.Bb2=+ –0.59; 12.Bd4 bc5 13.bc5 f6 14.e4 e5 15.Ba6 Qa6 16.Be3 Bc5 17.Bc5=+ –0.44) 12...Nb4 13.cb6 Qb6 14.Bd4 Qd8 15.Bc4 Bg4 16.0-0 Nh6 17.Be2=+ –0.28.

10.Nf3 bc5 11.bc5 Nd7 (11...f6 12.e3 (12.Qc2 e5 13.e3 Nd7 14.Bd3 g6 15.Bc4 Qa7 16.Bb2 Nc5 17.Nbd2=+ –0.44; 12.e4 e5 13.Bc4 Bc5 14.0-0 Ne7 15.Nbd2 Ba6 16.Qb3 Qb6 17.Qc2=+ –0.44; 12.Nc3 e5 13.e3 Bc5 14.Bd3 Na6 15.Qb1 g6 16.Bc4 Qb6 17.Qd1=+ –0.53) 12...e5 13.Qc2 Nd7 14.Bd3 g6 15.Nbd2 Nc5 16.Bc4 Ne7 17.0-0=+ –0.41; 11...Na6 12.Nbd2 (12.Bd4 f6 13.e4 e5 14.Ba6 Qa5 15.Qd2 Qa6 16.Be3 Qc4 17.Qb2=+ –0.59; 12.Be5 Qa5 13.Bc3 Qc5 14.e3 Nb4 15.Ne5 e6 16.Be2 f6 17.Nd3=+ –0.41; 12.Qc2 Qa5 13.Bc3 Qc5 14.e4 Nf6 15.Be2 e6 16.Nbd2 Nb4 17.Qb2= –0.25) 12...Nc5 13.Qc2 Nd7 14.e3 e5 15.Nc4 f6 16.Bd3 g6 17.0-0= –0.19; 11...Qa5 12.Nbd2 (12.Bc3 Qc5 13.e4 Nf6 14.Bd3 Bg4 15.0-0 e6 16.Qb3 Nbd7 17.Nbd2=+ –0.34; 12.Nc3 e6 13.Nd2 Qc5 14.Nde4 Qa5 15.Bb2 Qb4 16.Qd2 Be7 17.Ng3=+ –0.66) 12...Nd7 13.e3 e6 14.Bc4 Ba6 15.0-0 Nc5 16.Ne5 Qc7 17.Bd4= 0.03) 12.e3 (12.Qc2 Qa5 13.Bc3 Qc5 14.e3 e5 15.Bd3 Ngf6 16.0-0 Nd5 17.Ne5= –0.12; 12.Nbd2 e5 13.Qc2 f6 14.Bb2 Nh6 15.e3 Nc5 16.Bc4 Ba6 17.Ba3=+ –0.41; 12.Qc1 e5 13.e3 f6 14.Bc4 Nc5 15.0-0 e4 16.Nd4 Bd6 17.h3=+ –0.62) 12...Qa5 (12...e5 13.Qc2 f6 14.Bd3 g6 15.Nbd2 Nc5 16.Bc4 Ne7 17.0-0=+ –0.41) 13.Bc3 (13.Nbd2 e6 14.Bc4 Ba6 15.0-0 Nc5 16.Ne5 Qc7 17.Bd4= 0.03) 13...Qc5 14.Be2 (14.Bd3 e5 15.0-0 Ngf6 16.Qc2 Nd5 17.Ne5= –0.22) 14...e5 15.Qb3 (15.0-0 Ngf6 16.Qc2 Bd6 17.Nbd2=+ –0.41) 15...e4 16.Nfd2 Ngf6 (16...Qg5 17.0-0=+ –0.44) 17.Bc4 (17.Qc2=+ –0.31) 17...Qh5 18.Bf6 Nf6 19.Qb8 Kd7 20.Nc3 Qa5 21.0-0? (better 21.Qb3!? Bb4 22.Ndb1=+) 21...Qc3–+ 22.Qa7 Kd8 (22...Ke8 23.Rd1 Bd6 24.Qf7 Kd8 25.Qg7 Nd5 26.Qg5 Be7–/+) 23.Rd1?? (better 23.Qb6 Ke8 24.Qc6 Kd8 25.Qb6 Ke7 26.Qc5 Kd8 27.Qb6 Ke7 28.Qc5 Kd8 29.Qb6=) 23...Bd6–+ 24.Bf7 Bg4 25.Nf3 ef3 26.Rd6 Bd7 27.Rd1 Ke7 28.Bh5 fg2 (28...Nh5 29.Qd7 Kf6 30.h4+–) 29.Qc7 Rd8 (better 29...Qc5 30.Bf3 Rd8–+) 30.Qd6 1–0. Osmak,Iulija (1975) – Vasenina,A (1840), WY Girls–U12, 2010.

10.Nf3 bc5 11.Be5 Qb6 (11...Qa7 12.bc5 Nd7 13.Bc3 Qc5 14.Qb3 Qd5 15.Qc2 Ngf6 16.e3 e5 17.Nbd2=+ –0.53; 11...Qb7 12.bc5 Nd7 13.Nbd2 f6 14.Bc3 e5 15.Qc2 Bc5 16.Ne4 Bb4 17.e3=+ –0.56) 12.bc5 Qc5 13.e4 Bg4 14.Nbd2 Qe5 15.Ne5 Bd1 16.Kd1 e6 17.Bd3=+ –0.69.

10.Nf3 Nd7 11.cb6 Qb6 12.Bc3 (12.Qa4 e5 13.Bc3 Ngf6 14.e3 Nd5 15.b5 Bd6 16.Nfd2 Bb7 17.Nc4= 0.00; 12.Qb3 e5 13.Bc3 Ngf6 14.e3 Ne4 15.Bc4 f6 16.Bf7 Kd8 17.0-0= –0.12) 12...Ngf6 13.e3 e5 14.b5 cb5 15.Ne5 Ne5 16.Be5 Bb4 17.Bc3= 0.00.

10.Nf3 f6 A) 11.Qd4 bc5 12.bc5 (12.Qc5 e5 13.Qc4 Qb6 14.Bc3 Na6 15.e3 Nb4 16.Bd2 Ba6 17.Qe4–/+ –1.19) 12...e5 13.Qc3 Nd7 14.e3 Nc5 15.Nbd2 Bd6 16.Bc4 Bf5 17.Nh4–/+ –0.87; B) 11.Bd4 e5 12.cb6 (12.Bc3 bc5 13.bc5 Bc5 14.Nbd2 Qd8 15.Qc2 Nd7 16.Ne4 Be7 17.e3=+ –0.53; 12.Be3 Nd7 13.Nc3 bc5 14.bc5 Nc5 15.g3 Qd6 16.Bg2 Qd1 17.Kd1–/+ –0.94; 12.Bb2 bc5 13.bc5 Bf5 14.e3 Bc5 15.Bc4 Qb6 16.Qc1 Ne7 17.0-0=+ –0.56) 12...Bb4 13.Nfd2 Qb7 14.Bc3 Qb6 15.e3 Ne7 16.Bc4 Ba6 17.0-0=+ –0.53; C) 11.b5 C1) 11...bc5 12.e4 (12.e3 e5 13.Qb3 cb5 14.Bb5 Nc6 15.0-0 Bg4 16.Nbd2 Nh6 17.Rd1= –0.12; 12.Nc3 cb5 13.Nb5 Qd7 14.e4 e5 15.Qb1 Nc6 16.Bc4 Nge7 17.0-0=+ –0.47) 12...e5 13.Qb3 Nd7 14.Nc3 Qa5 15.Bb2 Qb4 16.Qc2 cb5 17.Bb5= 0.16; C2) 11...e5 12.cb6 Qb6 13.bc6 Qc6 14.Nc3 Bb4 15.Qb3 Na6 16.e3 Be6 17.Qc2=+ –0.37; C3) 11...cb5 12.e3 (12.e4 Qc5 13.Nd4 Bd7 14.Nc3 b4 15.Nd5 e6 16.Ne3 e5 17.Nb3–/+ –0.91; 12.cb6 Qb6 13.e3 e5 14.Bd3 Bb4 15.Bc3 Bc5 16.Bb2 b4 17.Nbd2=+ –0.53; 12.Nc3 Qc5 13.e3 b4 14.Na4 Qc6 15.Nd4 Qd6 16.Qc2 Bd7 17.Bc4–/+ –0.97) 12...Qc5 13.Bd4 Qb4 14.Bc3 Qg4 15.Bb5 Bd7 16.Bd7 Nd7 17.0-0=+ –0.47; D) 11.cb6 Qb6 12.Bc3 (12.Qd4 Qb7 13.Bc3 e5 14.Qh4 c5 15.b5 Qb5 16.Nbd2 Be6 17.e3=+ –0.44; 12.Qd2 e5 13.Bc3 Na6 14.e3 Nb4 15.Bc4 Qc5 16.Be2 Bf5 17.0-0–/+ –0.81; 12.b5 cb5 13.e3 e5 14.Bd3 Be6 15.0-0 Nc6 16.Qe2 b4 17.Rc1=+ –0.50) 12...e5 13.e4 Bb4 14.Bc4 Bg4 15.0-0 Ne7 16.Qd3 Bc5 17.Bd2=+ –0.41.

7.ab4 dc5?? 8.Ra8+- cb4 9.Qb3 Be6 (9...Nf6 10.Nd2+-) 10.Qc2 (better 10.Qg3 Kd7 11.Rb8 Nf6+-) 10...g6 (10...b5+-) 11.d5! Bd5 (11...cd5 12.Bh8 Discovered attack (12.Qc7 Pinning; 12.Qc7 Deflection; 12.Qa4 Decoy); 11...Bd5 12.Bh8 Discovered attack) 12.Bh8 Bh6 (12...f5 13.Qb2 Nf6 14.Qb4+-) 13.e3 (13.e4 Be6+-) 13...Nf6 14.Bf6 ef6 15.Nf3 (15.Qb2 Bf8+-) 15...Kf8 (15...Bf3 16.gf3 Bf8 17.h4+-) 16.Qc5 Kg7 17.Be2 (better 17.Qb4 c5 18.Qd2 Bf3 19.gf3 Nc6+-) 17...Nd7 (17...b6 18.Qd4 Qb7 19.Ra1+-) 18.Qc1 (better 18.Qe7 b3+-) 18...b5 19.0-0 Ne5 (19...c5 20.Re8+-) 20.Nd4 (better 20.Qc5 g5 21.Nd4 Qd7 22.Qf8 Kg6+-) 20...Qb7 (20...c5 21.Ra1 Qb6 22.Nb5+-) 21.Re8 (21.Ra1 Nc4+-) 21...Nc4 (21...Qd7 22.Rb8 Qa7 23.Rd8+-) 22.Nd2 (22.Rd1 Qd7 23.Rb8 Qa7 24.Bc4 Qb8 25.Bd5 cd5+-) 22...Nd2 (22...Nd6 23.Rd8 Qe7 24.Rd6 Qd6 25.Rd1+-) 23.Qd2 Qd7 24.Ra8 c5 25.Raa1 (better 25.Nb5 Bc6 26.Qd7 Bd7+-) 25...cd4 26.Qd4 Qe6 (26...Qb7 27.Ra7 Qb8 28.Ra5+-) 27.Bb5 Qe5 (27...Qe4 28.Qe4 Be4 29.Bc4+-) 28.Qe5 (28.Rfd1 Qd4 29.Rd4 Be6+-) 28...fe5 29.Rfd1 Be6 30.Rab1 (30.Bd7 Bc4+-) 30...b3 (30...Bg5 31.Bd7 Be7 32.Be6 fe6 33.Rbc1+-) 31.Bc6 (31.Bd7 Bc4+-) 31...Bg5 32.Bd5 Bf5 33.Rb3 (better 33.e4 Bd7+-) 33...Bg4 (33...Bc2 34.Rdb1! h5+-) 34.f3 (better 34.Ra1 Kh6+-) 34...Be6 (34...Bd7 35.Ra1 Kf6 36.Ra6 Be6 37.Kf2+-) 35.Be6 fe6 36.Kf2 Kf6 37.g3 (37.Rd7 e4 38.Rh7 ef3 39.gf3 Ke5 40.Rb5 Kf6+-) 37...h5 38.h4 (38.Rb7 Bh6+-) 38...Bh6 39.Rd6 g5 (39...Bf8 40.Ra6 Bc5 41.Rb5+-) 40.Rbb6 gh4 41.Re6 Kf5 (41...Kf7 42.Rh6 Kg8 43.Rb7 hg3 44.Kg2 e4 45.Rd6 ef3 46.Kf3 h4 47.Rd8) 42.Rh6 (42.e4 Kg5 43.Re5) 42...e4 (42...hg3 43.Kg3 h4 44.Kh4 e4 45.Rh5) 43.Rh5 1-0. ClayPigeons (2145) - TheTirelessQuoter (2140), Rated Bullet game, lichess.org, 2021.

8.Ba1 b6 9.cb6 Qb6 10.Qa4 Nf6 11.Qa5 Nd5 12.Qb6 Nb6 13.e3 Bf5 14.Nc3 e6 15.b5 Kd7 16.Nf3 Be7 17.bc6 Kc6 (17...Nc6!? 18.Bb5 Bf6=) 18.d5+= Kd7 (18...Nd5 19.e4 Double attack; 18...ed5 19.Nd4 Double attack) 19.Bb5 Kd8 20.de6 fe6 21.Nd4 Bf6 22.Nce2 N8d7 23.Ng3 d5 24.Ngf5 ef5 25.0-0 g6 26.Rc1 Ke7 27.Rc7 Ra8 28.Bc3 Kd8 29.Rc6 Bd4 30.Bd4 Nc8 31.h4 Rb8 32.Be2 Ne7 33.Re6 Rb1 34.Kh2 Rc1 35.Bb5 Rb1 36.Ba4 Nc8 37.h5! Rb4 (37...gh5 38.Rh6 Double attack) 38.Bc6 gh5 39.Kg3 h4 40.Kf3 h5 41.Bd5 Ne7 42.Ba2 Ra4 43.Bb1 Rb4 44.Bc2 Rc4 45.Bd3 Rc1 46.Bb5 Nc5 47.Rd6 Kc7 48.Be5 Kb7 49.Rh6 Ne4 50.Ba6 (50.Rh5 Rc5 51.Kf4 Nd5 52.Kf5 Nf2+/–) 50...Ka8 51.Bd3 Nc5 52.Bb2 Rd1 53.Be2 Rd5 54.Rh8 Kb7 55.Rh7 Rd7 56.Bb5 Nc6 57.Rh6 Rc7 58.Rh5 Kb6 59.Be2 Ne7 60.Bf6 1–0. Kocandrle,Jaroslav (2085) – Niewold,Jaap (1685), IECG, 2006.

8.Ba1 Nf6 9.e3 Bg4 10.Qb3 dc5 11.bc5 e6 12.Be2 Be2 13.Ne2 Be7 14.h3 0-0 15.0-0 Nbd7 16.Ng3 Rb8 17.Nd2 e5 18.Nf3 ed4 19.ed4 Nd5 20.Re1 Nf8 21.Nf5 Ne6 22.Bc3 Bf6 23.Ne3 Nef4 ½–½. Berlacki – Drechsler, 1991.

8.Ba1 Nf6 9.Nf3 g6 10.e3 Bg7 11.Be2 0-0 12.0-0 Bf5 13.Nc3 Nbd7 14.Bb2 Ra8 15.Nd2 dc5 16.bc5 e5 17.Nc4 ed4 18.ed4 (worse 18.Qd4 Ne8 19.Qh4 Nc5–/+) 18...Be6 19.Bc1 Nd5 20.Ne4 h6 21.Be3 f5 22.Ned6 Nc3 (22...b5 23.cb6 N7b6 24.Qc2=+) 23.Qe1 Ne2 24.Qe2 Bd5 (24...b5 25.cb6 Nb6 26.Nb6=) 25.Qd2 (25.Rb1 Qd8+=) 25...Kh7 (25...b5 26.Nb2 Qa5 27.Qc2=+) 26.h4 (26.Rb1 Bc4 27.Nc4 Nf6+=) 26...Ra4 (26...b5 27.Nb2=+) 27.Rc1 (27.Qc2 Rc4 28.Nc4 f4+–) 27...Nf6 (27...b5 28.cb6 Nb6 29.Ne8 Nc4 A) 30.Nc7? Nd2 31.Bd2 Rd4–+ (31...Bd4?! 32.Nd5 cd5 33.Rc7 Bg7 34.Rd7–/+); B) 30.Rc4 Ra1 31.Rc1 Rc1 32.Qc1=) 28.Bf4 (28.Nb6 Ra6+=) 28...Qe7 (better 28...Bc4 29.Nc4 Qd8=) 29.Re1 (better 29.Qc2 Ra6 30.Ne3=) 29...Ne4–/+ 30.Qc2 (30.Ne4!? fe4 31.Ne5 Qh4 32.Be3–/+) 30...Qd7?? (better 30...Qh4 31.Be3 Qg4–+) 31.Qa4+– (31.Qa4 Bd4 32.Ne4 fe4 33.Ne5 Be5 34.Be5+–; 31.Ne4? Rc4 32.Nc3 Bd4–+) 1–0. BeepBeepImAJeep – bilbog (2015), lichess.org, 2018.

8.Ba1 Nf6 9.Nf3 g6 (9...b6 10.cd6 ed6 11.b5=) 10.e3 Bg7 11.Be2 Nd5 12.Qd2 0-0 13.0-0 b6 14.Rc1 Bf5 15.Nc3 (15.Nh4 Be4 16.Nc3 Nc3 17.Bc3 Bf6+=) 15...Nc3 (15...Nb4!? 16.Nb5 cb5 17.cb6 Qb6 18.Qb4 Bd7=) 16.Qc3 bc5 17.bc5 d5 18.Nd2 (18.Qe1 Bg4+=) 18...Nd7= 19.g4 Be6 20.f4 Nf6 21.g5 Nd7 22.Kg2 Bf5 23.Bd3 Bg4 24.h3= Be6 25.Qc2 Qc8 26.Rh1 f6 27.h4 fg5 28.hg5 Bf5 29.e4 Be4 30.Ne4+/– Rf4 31.Ng3 Nf8 32.Qe2 Ne6 33.Ba6 Qd7+= 34.Qe3 Rg4 35.Rf1 Rg5 36.Re1 Kf7 37.Bd3 h5 38.Kh2 Bf6 39.Bc3 Rg4=+ 40.Rf1 Ng5 41.Rf4?? Rf4–+ 42.Qf4 Qh3 43.Kg1 h4 (43...h4 44.Bf1 hg3 45.Qf6 Kf6 46.Bh3 Nh3 47.Kh1 Nf4–+) 0–1. Conquest,S – Langeweg,K, London, 1980.

9.Nd2 ed4 10.Bd4 dc5 11.bc5 Nd7 12.Qa1 Ngf6 (12...Nc5? 13.Bc5 Nf6 14.Bf8 Kf8 15.Ngf3+–; 12...Bc5?? 13.Bg7 b5 14.Bh8+–) 13.Qa3 Qd8 14.Ngf3 b6 15.Qe3 Be7 16.cb6 0-0 17.Qb3 Bb7 18.e3 c5 19.Ba1 Qa8 20.Bb2 Bd5 21.Bc4 Nb6 22.Bd5 Nbd5 23.0-0 Rb8 24.Qc2 Qa2 25.Rb1 Nb4 26.Qc3 Nbd5 27.Qc2 Nd7 28.Ne1 Rb5 29.Nd3 Nb4 30.Nb4 Rb4 31.Qc1 Bf6 32.Bf6 Qd2 (32...Nf6?? 33.Rb4 h6 34.Rc4+–) 33.Be7 (33.Qd2?? Rb1 34.Qd1 Rd1) 33...f6 34.h3 (34.Qd2?? Rb1 35.Qd1 Rd1) 34...Rb1 35.Qb1 Kf7 36.Bd8 c4 37.Qe4 Ne5 38.Qb7 Qd7 39.Qd7 Nd7 40.Kf1 Ke6 41.Ke2 Kd5 42.Ba5 Kc5 43.Bc3 Kb5 44.Kd2 Ka4 ½–½. Fernandez Fornes (2095) – Kuhn (1865), IECG, 2005.

9.e3 ed4 10.ed4 Nf6 11.Nf3 Be7 12.Be2 0-0 13.0-0 Nbd7 (13...Nd5 14.Qd2=+) 14.Qc2 Nd5 15.b5 (15.Bc3 b5=) 15...cb5 16.Bb5 dc5 17.Bd7 (17.Rc1 b6=+) 17...Bd7–/+ 18.Nbd2 cd4 19.Qc7 (19.Qe4 Bc6 20.Re1 Re8 21.Qd4 f6–/+) 19...Nc7–+ 20.Bd4 b5 21.Rc1 Ne6 22.Be3 b4 23.Nb3 Ra8 24.Ra1 Ra1 25.Na1 Ba4 26.Nd2 Bf6 27.Ndb3? Ba1 28.Na1 b3 29.Nb3 Bb3 30.Kf1 Kf8 31.Ke2 Ke7 32.Kd3 Kd6 33.f4 Nc5 34.Bc5 Kc5 35.g4 Kd5 36.h4 g6 37.Ke3 h5 38.g5 Ke6 39.Kf2 Kf5 40.Kf3 Bd5 41.Kg3 Ke4 42.f5 Kf5 43.Kh3 Kf4 44.Kh2 Kg4 45.Kg1 Kh4 46.Kh2 0–1. Turcot,J – Brodie,H, Quebec, 1974.

9.e3 ed4 10.Qd4 dc5 11.bc5 Nf6 12.Nd2 Be7 13.Bc3 0-0 14.Ngf3 Rd8 15.Qa4 Bc5 16.Bf6 gf6 17.Qh4 Qa5 18.Bc4 (18.Be2 Bb4 19.Qg3 Kh8=) 18...Bb4 (18...Qa1 19.Ke2 Qh1 20.Qf6 Rf8 21.Qg5 Kh8 22.Qf6 Kg8 23.Qg5 Kh8 24.Qf6 Kg8=) 19.0-0 Bd2 20.Qf6? (better is 20.Qg3!? Kf8 21.Qb8=+) 20...Bc3-+ 21.Bf7 Kf8 22.Nd4 Bd4 23.ed4 Nd7 24.Qf4 Kg7 25.Be6 Nf6 26.d5 Be6 27.Qg5 Kf8 28.Qf6 Bf7 29.d6?? (better is 29.Qh8 Bg8 30.Qf6 Ke8 31.Qe5 Kf7 32.Qf5 Kg7 33.Qg5 Kf8 34.Qf6 Ke8 35.Qe5 Kf8 36.Qf6=) 29...Kg8-+ 30.Rd1 Re8 31.h4 Re1 32.Re1 Qe1 33.Kh2 Qe6 34.Qg5 Kf8 35.Qd8 Be8 36.f4 Kf7 37.f5 Qd7 38.Qc7 Qc7 39.dc7 Bd7 40.g4 (40.Kg3 Bf5 41.Kf4-+) 0-1. Hecimovic,Ivan (2205) - Kozul,Zdenko (2595), Pula op, 2000.

9.e3 Nf6 10.de5 de5 11.Nf3 Bg4? (11...Nbd7 12.Qb3 b5 13.Qb2+=) 12.Nbd2 (better is 12.Be5!? Qe5 13.Ne5 Bd1 14.Kd1+/–) 12...Nbd7+= 13.Qb3 Be7 14.Bc4 0-0 15.0-0 h6 16.Qb2 b6 17.cb6 Qb6+/– 18.Ne5 Ne5 19.Qe5 Qb4 20.h3 Bh5 21.Bc3+= Qc5 22.Qc5+/– Bc5 23.Bf6 gf6 24.Ne4 Be7+= 25.f4 Bg6 26.f5+/– Bh7 27.g4 Kg7 28.Rd1 Rd8 29.Rd4 h5 30.Kf2 hg4 31.hg4 Bg8 32.Rd8 Bd8 33.Ba6 Bc7 34.Bb7+– Be5 35.Bc6 Bb2 36.Ke2 Ba3 37.Kd2 Bb2 38.Bd5 Be5 39.Kc2 Bb8 40.Kd3 Bc7 41.Bb3 Bb8 42.Ke2 Be5 43.Kf3 Bb2 44.Kf2 Ba3 45.Nc3 Bb2 46.Nd5 Be5 47.Ke2 Bb2 48.Kd3 Be5 49.Ke4 Bh7 50.Nb6 Bg8 51.Bc4 Bb2 52.Nd5 Be5 53.Ne7 Bd6 54.Nc6 Ba3 55.Nd4 Kh6 56.Nf3 Bc5 57.Bb3 Bb6 58.Bd1 Bc5 59.Kd3 Bb6 60.Ke2 Bc5 61.Nd2 Bb6 62.Ne4 Kg7 63.Nd6 Kf8 64.Ba4 Bc7 65.Ne8 Be5 66.Kd3 Ke7 67.Ke4 Bb8 68.Bb5 Bh2 69.Kd5 Bb8 70.Ba4 Bh2 71.Ng7 Bg3 72.Nh5 Bh2 73.Ke4 Bb8 74.Nf4 Be5 75.Nd5 Kd6 76.Bb3 Bb2 77.Kd3 Kd7 78.Nb6 Ke8 79.Kc4 Ba1 80.Kd5 Bc3 81.Kc6 Be5 82.Nd5 Bb2 1–0. Lapshun,Yuri (2450) – Gonzalez Diaz,J (2235), VIII Open Sants ESP, 2006.

9.de5 dc5 10.bc5 Bc5 11.e3 Be6 12.Nf3 Ne7 13.Bd3 Nd7 14.Qc2 (14.0-0 Ng6 15.Qc2 Bb4= (< 15...Nde5 16.Qc5 Nd3 17.Qa3+/–)) 14...Qa5 (14...Nd5 15.0-0=+ (15.Bh7? Qa5 16.Bc3 Nc3 17.Nc3 Rh7–+)) 15.Bc3= Bb4 16.0-0 (16.Bh7? Bc3 17.Qc3 Qc3 18.Nc3 Rh7–+) 16...Bc3 17.Qc3 (17.Nc3!? Bg4 18.e6 Be6 19.Nd4=) 17...Qc3=+ 18.Nc3 Kd8 (18...Bg4 19.Ra1 0-0 20.Ra7–/+) 19.Rb1 Kc7 20.Rc1 Kb8 21.Ng5 Ne5–/+ 22.Bh7 g6–+ 23.Nce4 Kc7 24.h4 b5 25.Ne6–/+ fe6 26.Ng5 Kb6 27.h5 gh5 28.Be4 Rh6 29.f4 Ng4 30.Nf7 Rf6 31.Ne5 Ne5 32.fe5 Rf8 33.Bf3 h4 34.Kh2 c5 35.Bg4 Nf5 36.e4 Nd4 37.Kh3 c4 38.Rd1 Kc5 39.Kh4 Rf4 40.Re1 b4 41.Kg5 Rg4! 42.Kg4 b3 43.Kg5 c3 44.Kf6 c2 (44...c2 45.Rc1 b2 46.Rc2 Nc2–+) 0–1. Lunin – Zakharov,V, Moscow, 1999.

9.de5 dc5 10.bc5 Bc5 11.Nf3 Ne7=.

9.de5 dc5 10.Nf3 cb4=+ 11.Qb3 (11.e3!?=+) 11...Be6-/+ 12.Qb2 (12.Qd1 c5-/+) 12...Na6 (12...c5 13.Ng5-+) 13.e3 Nh6 14.Nbd2 g6 (14...Be7 15.Nd4=+) 15.h3 (15.Ne4 Qa5 16.Nf6 Ke7=) 15...Bg7 (15...Be7 16.Nd4=+) 16.Bc4 (16.Ba6!? ba6 17.Qb4=) 16...Bc4 17.Nc4 0-0 18.0-0 Nf5 19.Rd1 (19.e4!? Ne7 20.Rd1=+) 19...b5-/+ 20.Ncd2 c5 21.Rc1 (21.Qa2 Ra8-/+) 21...Re8 (21...c4 22.Nb3-+) 22.Qa2 Qb6 23.e6 (23.Qc2 c4-/+) 23...Qe6-+ 24.Qa5 Ba1 (better 24...Qc6!?-+) 25.Ra1-/+ Ra8 (25...Nb8 26.Qb5 Rc8 27.Ra8-/+) 26.Qb5 Nc7?? (better 26...Ra7-/+) 27.Ra8+- Na8 28.Qb8 Kg7 29.Qa8 Qa2?? (29...c4 30.Qa2 c3 31.Nb3+-) 30.Qe4 (better 30.Qa2 h5 31.Qc4+-) 30...Qa1 31.Nf1 b3 32.Qc4 (better 32.N3d2 b2 33.Nb1+-) 32...b2+/- 33.Ng5?? (better 33.N3d2+/-) 33...Nd6 34.Ne6 (34.Qc5 b1Q 35.Qd4 Qd4 36.ed4-+) 34…Kf6 (34...Kf6 35.Qd5 b1Q (35...fe6?! 36.Qd6 Qf1 37.Kf1 b1Q 38.Ke2=) 36.Qd6 Qf1 (36...fe6?! 37.Qf8 Ke5 38.Qc5 Kf6 39.Qf8 Ke5 40.Qc5 Ke4 41.Qc4 Ke5 42.Qc5=) 37.Kh2 Qe5 38.Qe5 Ke5 39.Nc5 Qb5-+) 0-1. ClayPigeons (2170) - Mitorun (2300), Rated Bullet game, lichess.org, 2021.

6.Qa4 Ngf6 7.e3 e5 8.Nf3 Be7 9.Be2 0-0 10.0-0 ed4 11.Bd4 c5 12.Bb2 Ne5 13.Ne5 de5 14.Be5 Qe6 15.Bc3 Ng4 16.ba5 Bd6 17.Bg4 Qg4 18.Qd1 Qg6 19.Nd2 Re8 20.g3 Bf8 21.Re1 Ra6 22.e4 Rd6 23.Re3 Red8 24.Qc2 Bh3 25.Nf3 Qh5 26.Rb1 Be6 27.Ne1 Rd1 28.Rb7 Bc4 29.Kg2 Ba6 30.Rc7 Qg4 31.Qb3 R1d7 32.Rd7 Qd7 33.Nf3 Qc8 34.Ng5 c4 35.Qb2 h6 36.Nf3 Qc7 37.Re1 Rb8 38.Qd2 Rd8 39.Qc2 Qb7 40.Nd4 Bc5 41.Rd1 Ba3 42.Rb1 Qa8 43.f3 Bf8 44.Rd1 Qb7 45.h4 Qd7 46.Rd2 Qb7 47.h5 Kh7 48.Rd1 Qd7 49.e5 Kg8 50.e6 Qd5 51.Rd2 Qb7 52.Re2 Bc5 53.Re4 Bd4 54.Bd4 fe6 55.Bg7 Qb3 56.Qe2 Qd3 57.Bh6 Qe2 58.Re2 Rd6 59.g4 c3 60.Re5 Rc6 61.Bc1 Bc4 62.g5 Kg7 63.Kf2 Bd3 64.Re3 Rd6 65.a6! Ba6 66.Rc3 Bb5 67.Rc7 Rd7 68.Bb2 (68.Bb2 Kh7 69.g6 Kh6 70.Bc1 Kg7 71.Rc8+–) 1–0. Benassi,Aspasio (2125) – Silva Filho,Alcindo (2085), SA–2012–0-00269, 2012.

6.Qc2 Ngf6 7.c5 Qc7 8.Nf3 d5 9.Nbd2 g6 10.e4 Bg7 11.e5 Nh5 12.g3 Nf8 13.Bg2 Bf5 14.Qc3 ab4 15.ab4 Ra1 16.Ba1 Bh6 17.0-0 Ne6 18.Bb2 0-0 19.Ra1 Qd7 20.Ra7 Nef4 21.Qa3 Ng2 22.Kg2 Bh3 23.Kg1 Nf4 24.Ra8 Qg4 25.Rf8 Kf8 26.Qe3 Bg2 27.Qe1 Bf3 28.Nf3 Qf3 29.gf4 Bf4 30.Qc3 Qd1 31.Kg2 Qg4 32.Kh1 Qh4 33.Kg2 Qh2 34.Kf1 Qh1 35.Ke2 Qe4 36.Kf1 h5 37.f3 Qb1 38.Kg2 Qd1 39.Kf2 Bd2 40.Qa3 Qe1 41.Kg2 Be3 0–1. Holz auf der Heide – Schober, Leipzig, 1996.

6.c5 dc5–/+ 7.dc5 Nc5! 8.Nd2 (8.bc5 Qb5 Double attack) 8...Be6 (8...ab4 9.Nc4 Qd8 10.Qd8 Kd8 11.ab4 Ra1 12.Ba1–/+) 9.Ngf3 Nd7 (9...Rd8 10.Bd4 ab4 11.ab4 Qb4 12.Rb1=) 10.Nd4= Bg4 11.h3 (11.Nc4 Qc7=) 11...Bh5 12.Nc4 Qc7 13.Na5 e5 (13...Ngf6!?=) 14.Nf5+= Bg6 15.Nh4 Be4 16.e3 Nc5 (better is 16...Be7!? 17.Nc4 Ngf6+=) 17.Nc4+/– Nd7 18.Bd3 (18.Be2 Ngf6+/–) 18...Bd5 (18...Bd3 19.Qd3 b5 20.Na5+=) 19.e4+/– Be6 (19...Bc4 20.Bc4 Be7 21.Qf3+/–) 20.0-0 f6 (20...Ngf6 21.Qc2+/–) 21.Qe2 Ne7 22.f4 (better is 22.Rfd1+/–) 22...ef4 23.e5 fe5 (23...Bc4 24.Bc4 Ne5 25.Rad1 Nc4 26.Qc4=) 24.Ne5+/– Qb6 (24...0-0-0 25.Nc6 Nc6 26.Qe6+=) 25.Kh2 (better is 25.Kh1 Qe3 26.Qh5 Kd8 27.Rae1+–) 25...Ne5? (25...Qe3 26.Qh5 Kd8+/–) 26.Qe5+– Qe3 27.Rf4?? (better is 27.Be4 Qg3 28.Kg1 Qe3 29.Kh1+–) 27...Qe5+= 28.Be5 0-0-0 29.Be4 (29.Rd4 Nd5+=) 29...Nd5= 30.Rf2 Bd6 31.Bd6 Rd6 32.Raf1 Nf6 33.Bf5 Bd7 34.g4 Rd8 35.g5+/– Nd5 36.Bh7 Ne3 37.Re1 Rh8 38.Re3 Rh7 39.Nf5 Bf5 40.Rf5 g6 41.Rfe5 Kd7+= 42.Kg3 Rd1 43.Kg4 Rg1+= 44.Rg3 Rf1 45.Rd3+/– Kc7 46.Re6 Rg7 47.h4 Rg1 48.Rg3 Rh1 49.Rf3 Rg1 50.Kf4 Kd7 51.Rf6 Rh1 52.Kg3 Ke7 53.Re3 Kd7 54.Ree6 Rh7 55.Rd6 Kc7 56.Rd4 Rg1 57.Kf2+– Ra1 58.Rg6 Ra3 59.Rh6 Rh6 60.gh6 Ra8 61.Rg4 Kd6 62.Rg7 b5? 63.Ke3 Kd5? 64.h7 Rh8 65.Kd3 Ke5? 66.h5 Kd5 67.h6 Ke5 68.Ke3 Kd5 69.Kf4 c5 70.bc5 b4 71.Kg5 b3 72.Kg6 Kc6 73.Rf7 (73.Rf7 b2 74.Rf1+–) 1–0. Lorenc,Tomas (2095) – Pletanek,Jan (2220), CZE–ChT2B, 2011.

6.c5 Qc7 7.e3 Ngf6 8.Nf3 g6 (8...e6 9.Nc3=) 9.Be2 Bg7 10.0-0 0-0 11.Nbd2 b6 (11...ab4 12.ab4 Ra1 13.Qa1+=) 12.cd6 ed6 13.Rc1 ab4 14.ab4 c5 15.dc5 dc5 16.Nc4 (16.Qc2 Bb7+=) 16...Ba6 17.Nce5 Rfd8 18.Qc2 (18.Ba6 Ra6 19.Qb3 Ne5 20.Be5 Qa7+=) 18...Be2= 19.Qe2 Ne4 (better 19...Ra2!? 20.Nd7 Rd7=) 20.Nf7!+– Bb2 (20...Kf7 Decoy theme: f7 21.Qc4 Theme: Double Attack) 21.Nd8 Bc1 22.Qc4 Kh8 23.Nf7 (23.Rc1?! Rd8 24.Qe4 Qd6+–; 23.Qe4?! Qd8 24.Rc1 Qe8+–) 23...Kg7 24.Qe4 (24.Rc1?! Ndf6 25.N7g5 Qe7+–) 24...Rf8 (24...Qa7 25.N7g5 Nf6 26.Ne6 Kg8+–) 25.N7g5 (25.N7g5 Nf6 26.Ne6 Kh8 27.Qh4+–) 1–0. BeepBeepImAJeep (2605) – Neverhood (2390), lichess.org, 2015.

6.c5 Qc7 7.Nf3 d5 8.e3 Ngf6 9.Be2 Ne4 10.0-0 Ndf6 11.Nc3 Bg4 (11...ab4 12.ab4 Ra1 13.Qa1+–) 12.Ne5 Be2 13.Ne2 e6? (better 13...Nd7+=) 14.f3+– Ng5 15.h4 h6 16.hg5 hg5 17.Kf2 Nd7 18.Nd7 Kd7 19.Rh1 Rg8 (19...Be7 20.ba5 g4 21.fg4 Qa5 22.Bc3+–) 20.Re1 (20.Nc3 Be7+–) 20...b6 21.Qd3 g6 22.Bc3 a4 (22...ab4 23.ab4 Be7 24.e4+–) 23.b5 (better 23.e4+–) 23...cb5? (23...bc5 24.dc5 Bc5+–) 24.Qb5 Qc6 25.Qc6 Kc6 26.Rac1 b5 (26...bc5 27.dc5 Kd7 28.Be5+–) 27.Bb4 (27.e4 Rh8+–) 27...Be7 28.Nc3 Rh8 29.e4 de4 (29...Bf6 30.e5 Be7+–) 30.fe4 (worse 30.Re4 Ra7+–; 30.Ne4?! g4+–) 30...Bf6 (30...Kc7 31.d5 Kc8 32.Nb5+–) 31.d5 (31.d5 ed5 32.ed5 Kb7 33.Nb5+–) 1–0. BeepBeepImAJeep (2580) – kingberzerk (2020), lichess.org, 2017.

6.Qd2 ab4 7.ab4 Ra1 8.Ba1 Qa6 9.Qc3 Ngf6 10.Nd2 c5 11.bc5 dc5 12.e3 e6 13.Ngf3 cd4 14.Nd4 (14.ed4 Bb4 15.Qb4 Qa1 16.Qb1 Qb1 17.Nb1 b6=) 14...Qa4= 15.Nc2 Nc5 16.Bd3 Be7 17.0-0 Nd3 18.Qd3 0-0 19.Rb1 Rd8 20.Qb3 Qd7 21.Nf3 Ne4 22.Ncd4 f6 23.Qc2 Nc5 24.Kf1 e5–/+ 25.Ne2 Qf5 26.Qc1 Be6–+ 27.Bd4 ed4 28.Nfd4 Qd3 29.Ne6 Ne6 30.Ke1 Ba3 (30...Ba3 31.g3 Bc1 32.Rc1 Ng5–+) 0–1. Lechelle,W (2020) – Amigues,E (2320), 34th Open, Fourmies FRA, 2010.

6.Qd2 Ngf6 7.c5 Qc7 8.Nc3 (8.Nf3 ab4 9.ab4 Ra1 10.Ba1 b6=) 8...ab4 (8...e5 9.de5 Ne5 10.Qg5=+) 9.ab4= Ra1 10.Ba1 d5 (10...e5 11.e3=+) 11.Nf3= g6 (11...b6 12.e3=) 12.e3+= Bg7 13.Be2 0-0 14.0-0 Ne4 15.Qc2 Ndf6 16.Bd3 Bf5 17.Ne5 Nc3 18.Bf5 Nce4 19.Be4 Ne4 20.f4 Ra8=+ 21.Bb2 Nf6 22.Ra1 Qb8 23.Qb3 Ra1 24.Ba1 Qa8 25.Bb2 Qa6 26.Kf2 Ne4=+ 27.Ke1 Be5 28.de5 e6 29.g4 Qb5 (29...b5 30.g5=+) ½–½. Holz auf der Heide,Gerhard – Zaerban,Jan Christop (1755), Leipzig, 1995.

6.Qc2 ab4=+ 7.ab4!? Ra1 8.Ba1 Qb4 9.Bc3=.

6.Qc2 ab4=+ 7.c5 dc5-+ 8.dc5 Bc5 9.e3 Nf6 10.ab4 Bb4 11.Nd2 Ra1 12.Ba1 Bd2 (12...Qc5 13.Qc5 Bc5 14.Bd3-+) 13.Kd2 0-0 (13...Nbd7!? 14.Ke1-+) 14.Bf6-/+ gf6 15.Bd3 f5 16.Nf3 Rd8 17.Ke2 Na6 18.Rb1 Qc5 19.Qa2? (19.Qa4 Qd6 20.Bc2 f6-/+) 19...b5 (better 19...Nb4!? 20.Rb4 Qb4 21.h3-+) 20.Nd4 (better 20.Qb2 Qe7 21.Bc2-+) 20...Nb4?? (better 20...Qd6 21.Qc2 Bb7-+ (21...Qh2 22.Nc6 Qh5 23.f3+-)) 21.Qa5= Rd4?? (better 21...Qd6 22.Qb4 c5 23.Qb5 cd4=+) 22.ed4+- Qd4 23.Qb4 (23.Rb4 Qd6+-) 23...Qe5 (better 23...Qb4 24.Rb4 e5+-) 24.Kf1 Qh2 25.Qe7 Ba6 (25...Qh1 26.Ke2 Qg2 27.Qe8 Kg7 28.Qc8 Qg4 29.Ke1 Qg1 30.Bf1+-) 26.Qg5 (26.Qe8 Kg7 27.Qc6 Qh1 28.Ke2 Qh5 29.f3 Qg6 30.Qa6 Qg2 31.Ke3 f4 32.Kf4 Qd2 33.Ke4 f5 34.Kd4 e5 35.Ke5 Qe3 36.Be4 fe4 37.Qb7 Kf8 38.Qe4 Qc5 39.Ke6 Qe7 40.Kd5 Qd7 41.Kc5 Qc7 42.Kb5 Qd7 43.Kc4 Qc7 44.Kd3 Qd6 45.Ke3 Qh6 46.Qf4 Qf4 47.Kf4 Kg7+-) 26...Kf8 27.Ke2 (27.Rd1 c5 28.Bc4 Qh1 29.Ke2 Qd1 30.Kd1 bc4 31.Qd8 Kg7 32.Qb6+-) 27...Qe5 28.Qe3 Qc3? (better 28...Qe3 29.fe3 Bc8+-) 29.Rc1 Qb2 30.Rc2 Qb4 (30...Qg7 31.Qc5 Kg8 32.Ra2+-) 31.Rc6 (31.Ra2!? Qg4 32.Kd2 Bb7+-) 31...Bb7 32.Qc5 (32.Qc5 Qc5 33.Rc5 Bg2 34.f3+- (34.Bb5?! Bd5+-; 34.Rb5?! Bc6 35.Rc5 Bb7+-)) 1-0. zembelek (2105) - test33000 (1880), Rated Blitz game, lichess.org, 2013.

6.Qc2 ab4=+ 7.c5? dc5-+ 8.dc5 Bc5 9.e3 Nf6 10.ab4 Bb4 11.Nd2 Ra1 12.Ba1 Bd2 (12...Qc5 13.Qc5 Bc5 14.Bd3-+) 13.Kd2 Nbd7 14.Bd3 0-0 (14...Qa5 15.Bc3 Qd5 16.f3-+) 15.Nf3 h6 (15...Qb4 16.Bc3 Qg4 17.Ke2-+) 16.Rb1 Qa5 17.Bc3 Qh5 18.h3 b5 (better 18...Nd5!?-/+) 19.Bf6=+ Nf6 (worse 19...gf6 20.Qc6 Ne5 21.Ne5 fe5 22.Ke1+= (worse 22.Bb5 Qf5 23.Rf1 Rd8 24.Ke2 Bd7-/+)) 20.Qc6 b4 (20...e5 21.Ke1=+ (21.Bb5? Qg6 22.Rg1 Rd8 23.Kc1 Bd7 24.Ne5 Bc6 25.Ng6 Bb5 26.Ne7 Kf8-+; worse 21.Rb5 Bd7 22.Qb6 Bb5 23.Qb5 Re8-+)) 21.Rb4= Nd5?? (better 21...Bd7 22.Qd6 Qa5=) 22.Rb8+- Ne7 23.Qd6 (better 23.Qc7+-) 23...Qa5+= 24.Ke2 Nd5 25.Nd4 Rd8? (better 25...g6+=) 26.Qg3?? (better 26.Nc6 Qa2 27.Kf3+-) 26...Qa2?? (26...Nc3 27.Kf3 Qd5 28.Kg4 e5 29.Rc8 Rc8 30.Nf5-+) 27.Nc2?? (better 27.Kf3 Qa3 28.Be4+=) 27...Nc3-+ 28.Kf1 Rd3 29.Rc8 Kh7 30.Rc3 Rc3 31.Ne1 Rc1 (better 31...Qc4 32.Kg1 Rc1 33.Kh2 Re1 34.Qf3 Qc7 35.g3-+) 32.e4?? (32.Qg4-+) 32...Qa6 33.Kg1 Re1 34.Kh2 Qf1 (34...Re4 35.Qc7 f5 36.f3-+) 35.Qf3 (35.Qf4 f6-+) 35...Qg1 (better 35...f6!? 36.e5 Re5 37.g4-+) 36.Kg3 f6 37.h4 (37.Qg4 Rd1 38.Qe2 Rd4-+) 37...Rd1 (37...Qf1 38.Qg4 Re2 39.Qf3-+) 38.Qg4 (38.Qe2 Qe1 39.Qe1 Re1-+) 38...Rd3 39.f3 Qe1 (39...Rd2 40.Qh3-+) 40.Kh2 f5! 41.ef5 (41.ef5 Qe5 Double attack (41...Qe5 Decoy)) 41...Qe5 42.f4 (42.Qg3 Qg3 43.Kg3 ef5-+) 42...Qe3 (better 42...ef5 43.fe5 fg4-+) 43.Qg6= (43.Qg6 Kg8 44.Qe8 Kh7 45.Qg6 Kh8 46.Qe8 Kh7 47.Qg6=). zembelek (2115) - test33000 (1870), Rated Blitz game, lichess.org, 2013.

6.Qc2 ab4=+ 7.c5 dc5-+ 8.dc5 Bc5 9.Bg7 Bf2 10.Kd1 Bd4 (10...Bg1?! 11.Bh8 Qf2 12.Nd2-/+) 11.Bh8 Nf6 12.Bf6 Bf6 13.Qh7 Qd4 14.Ke1 Qa1 15.ab4 Be7-+.

7.Qb3 c5 8.Bd3 Nd7 9.Nf3 ba3 10.Qb6=.

7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 g6 (10...Nf6 11.Ngf3=+) 11.Bd3= Bg7 12.c5 Qc7 (12...dc5?? 13.dc5 Qd8 14.Bg7 Qd3 15.Bh8+-) 13.cd6 Qd6 14.Nc4 Qd5 15.Ne2 (15.e4 Qd8=) 15...Qg2 16.Nd6 Kd7 17.Rg1 Qh2 (17...Qf3 18.Be4 Qf6+/-) 18.Nf7+/- Nf6 19.Nh8 Bh8 20.Qa1 Ng4?? (better is 20...Nd5+/-) 21.Rg4+- Qh1 22.Rg1 Qd5 23.Nf4 Qd6 24.Rh1 g5 25.Rh7 (25.Rh7 Qe7 26.Re7 Ke7 27.Ng6 Kd7 28.Nf8 Kd6 29.Bb4 Kc7 30.Qa5 b6 31.Qa7 Bb7 32.Ne6 Kc8 33.Qb6 Kd7 34.Qd8 Ke6 35.Qd6 Kf7 36.Qg6) 1-0. pierre - controlX, internet, 2008.

7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 (10.Nf3 Na6 11.e4 Be7 12.Nbd2 Nf6=+; 10.Bd3 Nf6 11.Nf3 Be7 12.0-0 Nbd7=; 10.e4 Nf6 11.Bd3 Na6 12.Nf3 Nb4=+) 10...Nf6 11.Ngf3 Na6 (11...g6 12.Bd3 Bg7 13.0-0 0-0 14.Qa1 Qc7 15.Qa7 Na6 16.Ra1 Qb8?? (better is 16...Ne8=) 17.Ra6!+– Qa7 (17...ba6 18.Qb8) 18.Ra7 Rd8 19.Ba5 Rd7 (19...Re8+–) 20.Ra8 (20.Ra8 Bf8 21.Rc8+–)) 12.Be2 Be7 =. pierre – controlX, internet, 2008.

7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 (10.Nf3=+) 10...Nf6 11.Ngf3 Be7 (11...Na6 12.e4=+) 12.Bd3= 0-0 13.0-0 Qc7 14.Qb3 Nbd7 15.Ra1 c5 16.d5 ed5 (16...Ne5 17.Ne5 de5 18.e4=) 17.cd5 Qb6 18.Bb5 Nd5 (better is 18...Qc7!?=) 19.Ba5+/– c4 20.Qa4 (20.Qc4?! Qc5=; < 20.Bc4 Qb3 21.Bb3 N7f6=+; 20.Nc4?! Qc5=) 20...Nc5 (better is 20...Qa7!? 21.Bd7 Bf6+/–) 21.Qc4+– Qa7 (better is 21...Ne3 22.fe3 Qa7+–) 22.Qd5 Be6 23.Qh5 Bd8 (23...Ra8 24.Ng5 h6 25.Ne6 fe6 26.Bc3 Qa1 27.Ba1 Ra1 28.Nf1+–) 24.Bc3 (24.Bc3 Qb6 25.Rb1+–) 1–0. pierre – controlX, internet, 2008.

7.ab4 Qb4?? 8.Bc3 Ra1 9.Bb4+-.

6.c5 Qc7 7.e3 ab4 8.ab4 Ra1 9.Ba1=.

6.c5 Qc7 7.e3 e5 8.Nf3 (8.de5 de5 9.Nd2 Bg4+=) 8...e4 9.Nfd2 d5 10.Nc3 Be7 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.b5 0-0 12.b6 Qd8 13.Be2 h6 14.Qc2 Nh7 15.0-0-0 f5 16.g3 Nd7 17.h4 Ndf6 18.Rdf1 Ng4 19.Bg4 fg4 20.Ne2 g5 (20...Rf7!?=) 21.hg5+= hg5 (21...Bg5!? 22.Nf4 Bf5=) 22.Rh2 Rf7 23.Nc3 Bf5 24.Nd1 Bg6 25.Rfh1 Qd7 26.a4 Kg7 27.Nb3 Rff8 28.Bc3 Nf6 29.Ba5 Rh8 30.Rh8 Rh8 31.Rh8 Kh8 32.Bc3 Qc8 33.a5 Kg7 34.a6 Qa8? (34...ba6!? 35.Na5 Nd7+–) 35.a7 (better 35.ab7!? Qb7 36.Qa2+–) 35...Bf5 36.Na5 Bd7? (better 36...Bc8+–) 37.Nb7!! (37.Nb7 Bc8 38.Na5+–) 1–0. BeepBeepImAJeep (2425) – smurf42 (2500), lichess.org, 2015.

6.c5 Qc7 7.e3 g6 8.Nf3 Bg7 9.ba5 (9.Qa4 Nbd7=) 9...0-0 (9...dc5!? 10.Bc4 cd4 11.Bd4 Qa5 12.Bc3 Qf5-/+) 10.cd6= ed6 11.a6 Na6 12.Nc3 Bf5 13.Bd3 Bd3 14.Qd3 d5 15.0-0 Rfe8 16.Rfc1 Qd7 17.Na4 Ne4?? (better 17...Qe6=) 18.Nb6+- Qe7 19.Na8 Ra8 20.Nd2 f5 21.a4 Nb4 22.Qe2 Na6 (22...Qh4 23.Bc3 Nc3 24.Rc3+-) 23.Ba3 Qd7 24.Ne4 fe4 25.Rcb1 Ra7 26.Qc2 Bf8 (better 26...Bf6+-) 27.Bf8 Kf8 28.a5 (28.Rb6 Kg7+-) 28...Qe7 (28...Kg8 29.Rb3+-) 29.Rb6 (29.Qb2 Qd6+-) 29...Nb8 30.Qb3 Qc7 (30...Kg8 31.Rb1 Ra5 32.Rb7+-) 31.Rb1 1-0. ClayPigeons (2165) - anthroposophist (2165), Rated Bullet game, lichess.org, 2020.

6.c5 Qc7 7.Nf3 e6 8.e3 ab4 9.ab4 Ra1 10.Ba1 Nbd7 (10...b6 11.Bd3=+) 11.Be2 Be7 12.0-0 0-0 13.Nbd2 e5 (13...b6 14.cb6 Qb6 15.Nc4=) 14.cd6 (14.de5 de5 15.Nc4 e4+–) 14...Bd6= 15.de5 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Nf3 Qc3 19.b5 cb5 20.Bb5 Bf5 21.Nd4 Bg6 22.Be2 h6 23.Qa4 Ne4 24.Qb5 Qc7 25.Bf3 Nd2 26.Rd1 Nf3 27.Nf3 Rd8 Threatening mate: Rxd1 28.Nd4 Ra8 29.h3 Ra2 30.Qb3 Ra6 31.Qb2 Rb6 32.Qa3 Rb1 Do you see the mate threat? 33.Rb1 Bb1 34.Qb4 Bg6 35.Qb5 Qc1 36.Kh2 Qc7 37.g3 h5 38.h4 Qe7 39.Qb3 Be4 40.Qb5 g6 41.Qb3 Bc6 42.Qb2 Qe4 Threatening mate... how? 43.Nc6 Qc6 44.Qe5 (44.Kg1 b5=+) 44...b5 45.Qe7 Kg7 46.Kg1 Qe6 47.Kg2?? (better 47.Qe6 fe6 48.Kf1=+) 47…Qe7–+ (47...Qe7 48.f3 b4–+) 0–1. BeepBeepImAJeep (2730) – Gurvik (2680), lichess.org, 2020.

6.e3 g6 7.Nf3 Bg7 8.c5 Qc7 9.Nc3 0-0 10.Be2 b6 11.cd6 Qd6 12.b5 c5 (12...Bf5 13.0-0+=) 13.0-0 (13.Na4 cd4 14.Bd4 Nbd7 15.Bb6 Qb8+/-) 13...cd4 14.Nd4 Bb7 15.Bf3 Qd7 (15...Bf3 16.Qf3 (16.gf3?! Rd8=) 16...Nbd7 17.Rfd1+=) 16.Nc6! Rc8?? (16...Bc6 17.Bc6 Double attack (17.bc6 Passed pawn); 16...Nc6 17.bc6 Double attack) 17.Qd7+- Nbd7 18.Ne7 (18.Ne7 Kf8 19.Ng6 hg6 20.Bb7+-) 1-0. Osmak,Iulija (2425) - Blanco Fernandez,A (2215), Titled Tuesday 9th Mar, 2021.

6.Nf3 Na6 7.e3 ab4 8.c5 (better 8.Qb3!?=) 8...dc5-/+ 9.Ba6 (9.ab4 cb4 10.Bd3 Bg4-/+) 9...Ra6-+ (9...Qa6 10.ab4 Qa1 11.Ba1 Ra1 12.bc5+-) 10.dc5 Qc5 11.0-0 Qd5 (11...ba3!? 12.Ra3 Ra3 13.Na3-+) 12.ab4-/+ Qd1 13.Rd1 Ra1 14.Ba1 e6 15.b5 cb5 16.Bf6 gf6 17.Nc3 Bd7 18.Nd4 b4 19.Ncb5 (19.Ne4 Be7-+) 19...Bc5 (19...Ke7 20.e4-+) 20.Rc1 b6 21.Nc7 (21.Ra1 0-0 22.Ra7 Rd8-+) 21...Ke7 22.Na6 (22.Ndb5 b3 23.Rb1 Rc8-+) 22...Rc8 23.Nb3 (23.Nb4 e5 24.Nd5 Kd6 25.Nf6 ed4 26.ed4 Bd4 27.Rd1-+) 23...Bd6 24.Rb1 Ra8 25.Nb4 Bb4 26.f3 (26.h3 e5-+) 26...Bc3 27.Nd4 Ra1 (27...Ra2 28.g4 Rd2 29.Nb3-+) 28.Ra1 Ba1 29.Nc2 (29.Kf2 e5 30.Nb3 Bb2-+) 29...Bc3 30.Kf2 b5 31.Ke2 b4 32.Kd3 (32.e4 Bb5 33.Ke3 b3-+) 32...Bb5 33.Ke4 b3 34.Na3 b2 35.Nb1 Bb4 36.g4 Kd6 37.Kd4 e5 38.Ke4 Kc5 (38...Bc4 39.Kf5-+) 39.h4 Kc4 (39...Bc4 40.Kf5 Bd3 41.e4 Bb1 42.Kf6-+) 40.g5 fg5 41.hg5 Kb3 42.Ke5 Kc2 43.Kf6 Kb1 44.Kf7 Kc1 45.f4 (45.Kf6 Bc3 46.Kf7 b1Q 47.Ke7 Qb4 48.Ke6 Qc4 49.Kd6 Qc6 50.Ke7 Qd7 51.Kf8 Qe8) 45...b1Q 46.Kg7 (46.e4 Qe4 47.f5 Qf5 48.Kg7 Bc3 49.Kh6 Qg6) 46…Qg6 (46...Qg6 47.Kh8 Bc3) 0-1. zembelek (2070) - argol (2245), Rated Blitz game, lichess.org, 2013.

5.Qa4 Nf6= 6.Bc3 (6.Nf3 Na6 7.d4 ab4=) 6...Ne4 7.c5 (7.e3 Na6=+) 7...Qc7 (7...Qb5 8.Qc2 ab4 9.e3=+) 8.Nf3 (8.Bb2 b5 9.Qc2 Nf6=+) 8...Nc3 (8...ab4!? 9.Qa8 bc3 10.Nc3 Nc3 11.dc3 Bc5–/+) 9.Nc3= b5 (9...d6!?=) 10.cb6+= Qb6 11.b5 (11.Rb1!?+–) 11...cb5= 12.Nb5 Na6 13.d4 Rb8 14.e3 Nc7 15.Rb1 Nb5 16.Qb5 (better 16.Rb5!? Qc7 17.Kd2=) 16...Qb5 17.Bb5 Kd8 (17...Bd6 18.a4=+) 18.a4 (18.Ne5 Ke7+=) 18...Ba6 (18...Bd6 19.0-0=+) 19.Ke2 Bb5 20.Rb5 Rb5 21.ab5 Bb4 22.Rc1 d6?? (22...Ke7 23.Rc7 Bd6 24.Ra7=) 23.Rc6?? (better 23.b6 f6 24.Rc7+–) 23...Kd7= 24.Ra6 Rb8 25.Ra7 Ke8 26.Ng5 Rb5 27.Nf7 (27.f4 e5=) 27...h6 (27...a4!? 28.Kd3 Rf5 29.Ra4 A) worse 29...Rf2 A1) worse 30.Rb4 Kf7 (worse 30...Rf7 31.Rb8 Ke7 32.Rb7 Kf6 33.Rf7 Kf7 34.Ke4=) 31.g4 Rh2=+; A2) 30.Ng5 Rg2 31.Ne6+= (worse 31.Rb4 Rg5 32.Rb7 h5=+); B) 29...Kf7 30.Rb4 Rf2=+) 28.Nh8= Rb6 (28...Bc3!?=) 29.Ng6+– Kd8 30.Nf4 Kc8 (30...e5 31.Ne6 Kc8 32.Rg7 d5+=) 31.d5?? (better 31.Ne6 g5 32.e4+–) 31...e5= 32.Ne6 Kb8 33.Rc7 (33.Rg7 a4 34.Nd8=) 33...a4= 34.Rc2 (34.Rg7 a3 35.Rg8 Ka7–+) 34...a3 35.Kd3 Ra6 36.Ra2 (36.Ng7?? a2 37.Rc1 a1Q 38.Ra1 Ra1–+) 36...g5 37.Kc4 Rb6 38.f3 Kc8 39.Kd3 Kd7 40.Ke4 (40.Kc4 Ke7=) 40...Ra6 (40...Rb5 41.f4=+) 41.g3 (41.Kd3 Ra8=) 41...Bc3 42.h4 (42.Kf5!?=+) 42...gh4–/+ 43.gh4 Bb2 44.Ng7?? (better 44.h5–/+) 44...Ra4–+ 45.Kf5 Rh4 (better 45...e4 46.fe4 Bg7 47.Kf4–+) 46.f4 (46.Ne6 Rh1 47.Nf8 Ke7 48.Ng6 Ke8–+) 46...ef4 (better 46...Rh1 47.Kg6 Ra1 48.Ra3 Ra3 49.fe5 de5 50.Nf5–+) 47.Ne6 (47.ef4 Rh1 48.Ke4–+) 47…fe3 (47...fe3 48.Nf8 Ke8 49.Ng6 Rc4 50.Nf4 Rf4 51.Kf4 e2 52.Kg3 e1Q 53.Kf3 Qc3 54.Kg2 Qe3 55.Ra3 Ba3 56.Kh2 Qf3 57.Kg1 Bc5 58.Kh2 Qg4 59.Kh1 Qh3) 0–1. Valenta,Vit (2035) – Chrz,Pavel (2030), 9th Pardubice Czech Republic, Czech Ope, 2018.

5.Qb3 ab4 6.ab4 c5?? (better is 6...Ra1 7.Ba1 d5= (7...Qb4?? 8.Qb4 Bb4 9.Bg7+–)) 7.Ra8+– cb4 (7...Qc7 8.bc5 Bc5 9.Bg7+–) 8.Rb8 Qc7 9.Rc8 (better is 9.Ra8 f6+–) 9...Qc8 10.Nf3 (10...Nf6 11.Bf6 gf6 12.e3+–) 1–0. Fischer,A – Plath, corr SOK–89–30, 1989.

5.Qb3 d5 6.e3 Nf6 7.b5 a4 8.Qc2 dc4 9.Bc4 cb5 10.Bb5 Nc6 (10...Qb5!? 11.Qc8 Ke7 12.Bf6 gf6+=) 11.Nc3+= Now all is on a4 (11.Ba4? Ra4 12.Bf6 gf6 13.Qa4 Qb2–+) 11...Bd7 12.Ba4 (12.Nf3 Ne5 13.Bd7 Ned7 14.Na4 Qa6 15.Bf6 Nf6+=) 12...Ra5 (better is 12...Ne5!? 13.Bd7 Nfd7=) 13.Nf3+/– Bd6 14.0-0 0-0 15.Rfb1 Rfa8 16.Bc6 (16.Qd3 Be7+/–) 16...Bc6+= 17.Nd4 Qc7 18.h3 Rg5 (18...Ba3? 19.Ncb5 Qd7 20.Na3+– (20.Ba3?! Bb5 21.Nb5 Rb5=; 20.Ra3?! Bb5 21.Nb5 Ra3 22.Na3 Rc8+–)) 19.e4 Bc5 20.Qd3?? (better is 20.Nf3 Be4 21.Ne4 Bf2 22.Nf2 Qc2 23.Ng5 Qd2 24.Bf6 gf6 25.Nge4+/–) 20...Rd8 (better is 20...Qd7!? 21.Qe3 Rg6–+) 21.Qe3–/+ h6 22.Ncb5 Bb5 (22...Qb6 23.f4 Rg6–+) 23.Nb5+= Be3 24.Nc7 Rd2 25.fe3?? (better is 25.Bf6 Bf2 26.Kh1 gf6 27.Rb7+=) 25...Rgg2 26.Kh1 Rh2 27.Kg1 Rdg2 28.Kf1 Ne4 29.Be5 (29.Bc1 Ng3 30.Ke1 Rh1) 29…Nd2 (29...Nd2 30.Ke1 Rh1) 0–1. Stecyk,Jozef (1730) – Gawiec,Konrad (1925), 55 Ogolnopolski Turniej Szachowy Poland, 2013.

5.Qb3 Nf6 6.Bf6 gf6 7.b5 d5 8.e3 Na6 (8...dc4 9.Qc4 Bd7 10.Nc3=) 9.d4+= dc4 10.Bc4 Nc7 11.Nc3 cb5 12.Bb5 Nb5 13.Qb5 Qb5 14.Nb5 Kd8 15.Ne2 Bd7 16.Nec3 Rg8 17.0-0 Rg5 18.a4 Bb4 19.Rfb1 Bc6 20.e4 Rc8 (20...f5 21.f3=) 21.f4 Rg4 22.g3 h5 23.Kg2 (better is 23.Rc1!?=) 23...f5–/+ 24.d5 Bd7 (24...Bb5 25.Nb5 Rc2 26.Kf3 fe4 27.Ke4 ed5 28.Kd5 Rh2 29.Rh1 Rd2 30.Ke4 Rg3 31.Rh5 Re2 32.Kf5–/+) 25.Rb3? (better is 25.de6 fe6 26.h3=+) 25...fe4–/+ 26.Ne4 Rc2 27.Kh3? (better is 27.Kh1 ed5 28.Nf6 Bb5 29.ab5–+) 27...Rg6–+ (27...ed5 28.Nf6 Bc8 29.Na7–+) 28.Nd4 e5 0–1. Ziehank – Fischer, corr, 1976.

5.c5 ab4?? 6.cb6+– 1–0. DEFFM – GuestYWHH, freechess.org, 2018.

5.c5 Qc7 6.Nf3 d6 7.cd6 Qd6 8.e3 (8.ba5 Nf6=) 8...ab4=+ 9.ab4 Ra1 10.Ba1 Qb4 11.Bc3 Qb6 12.Be2 Nd7 13.0-0 Ngf6 14.Qc2 Bd6 15.e4 Bb8 (15...Nh5 16.Bc4=+) 16.d4= 0-0 17.Bd3 h6 18.Nbd2 Re8 (18...Qc7 19.Bb4 Rd8 20.Nc4=) 19.Nc4 Qd8 20.Rd1 b5 21.Na5 (21.Ba5 Bc7 22.Bc7 Qc7=) 21...Qc7 22.Bb4 Bb7 23.Rc1 Rc8 24.g3 (24.Nb7 Qb7 25.e5 Nd5=) 24...Ba8 25.Nb3 g5 (25...e5 26.de5 Ne5 27.Ne5 Qe5 28.Bc3=) 26.Qa2 (26.Ra1 Bb7+=) 26...Qb7= 27.Ra1 Bc7 28.Qd2 Bb6 29.Ng5 hg5 30.Qg5 Kh8 31.e5 Nh7 32.Qh6 f5 33.Qe6 Bd4 34.Nd4 c5 35.f3 cd4 (35...Ndf8 36.Qf5 A) 36...cd4 37.Be4 Qc7 38.Ba8 (worse 38.Ra8 Ra8 39.Ba8 Qc1 40.Kg2 Qb2 41.Kf1 Qb4=+) 38...Ra8 39.Ra8 Qc1 40.Kg2 Qb2 41.Kf1 Qb4 42.e6+–; B) 36...cb4+=) 36.Qf5+– (36.Bf5 Qf3 37.Ra8 Ra8–+ (37...Qa8?! 38.Bh7 Qf3 39.Bc5–/+)) 36...Ndf8 37.Be4 Qc7 38.Ba8 (worse 38.Ra8 Ra8 39.Ba8 Qc1 40.Kg2 Qb2 41.Kh3 Qb4=+) 38...Re8? (38...Ra8 39.Ra8 Qc1 40.Kg2 Qb2 41.Kf1 Qb4+–) 39.Bd6 (39.Be4 Qe5 40.Qe5 Re5+–) 39...Qc3 40.Ra3 Qd2? (40...Qe1 41.Kg2 Qd2 42.Kh3 Qh6 43.Kg4 Qg7 44.Kh4 Ng6 45.Kh3 Qh6 46.Kg2 Qd2 47.Kf1 Qd1 48.Kf2 Qd2 49.Kg1 Qe1 50.Kg2 Qd2 51.Kg1 Qe1 52.Kg2 Qd2=) 41.Bd5+– b4? (41...Qe1 42.Kg2 Qd2 43.Kh3 Qh6 44.Kg4 Qg7 45.Kh4 Qh6 46.Qh5 Ng6 47.Kg4 Qh5 48.Kh5 Ne5+–) 42.Ra2 Qd1 (42...Qg5 43.Qg5 Ng5+–) 43.Kg2 b3 (43...Ne6 44.Qg6 Rc8 45.Be6 b3 46.Bf5 Qf1 47.Kf1 Nf8 48.Bf8 Rc1 49.Kf2 Rc7 50.Qf6 Kg8 51.Be6 Kh7 52.Qh6) 44.Qf7 Nf6 45.Qf6 Kh7 46.Ra7 (46.Ra7 Nd7 47.Rd7 Re7 48.Re7) 1–0. DEFFM – GuestCQNF, freechess.org, 2018.

5.c5 Qc7 6.Nf3 Nf6 7.e3 ab4 8.ab4 Ra1 9.Ba1 d6 10.Bf6 gf6 11.d4 b6 12.Qc2 bc5 13.bc5 dc5 14.dc5 Qa5 15.Nfd2 Bc5 16.Bd3 Bd6 17.0-0 (17.Bh7? f5 18.Bf5 ef5–+) 17...Bd7 (better is 17...Qh5!? 18.Nf3 f5=+) 18.Nc4+= (18.Bh7?? Qh5 19.h3 Qh7–+) 18...Qc7 19.Nd6 Qd6 20.Nd2 (20.Bh7? f5–+) 20...f5 21.Nc4 Qc7 22.Qb2 0-0 23.Ne5 c5 24.Rc1 f6 25.Nd7 Nd7 26.Bc4 Kf7 27.Qb3 Re8 28.f4 Nb6 29.Bd3 Rc8 30.Bc4 Nc4 31.Qc4 Qa5 32.Qc3 (better is 32.e4 fe4 33.Qe4=) 32...Qc3–/+ 33.Rc3 c4 34.Kf2 Ke7 35.h3 Kd6 36.g4 fg4 37.hg4 Kc5 38.Ke2 Kb4 39.Rc1 c3 40.Kd3 Rd8 41.Kc2 (41.Ke2 Rd2 42.Kf3 c2–+) 41...Rd2 42.Kb1 Rb2 (42...Kb3 43.e4 Rb2 44.Ka1 c2 45.Rc2 Kc2 46.g5 Rb4 47.gf6 Ra4) 43.Ka1 Kb3 44.e4 (44.Rb1 f5 45.gf5 ef5 46.e4 fe4 47.Re1 Ra2 48.Kb1 c2 49.Kc1 Ra1 50.Kd2 Re1 51.Ke1 c1Q 52.Kf2 Qd2 53.Kg3–+) 44...c2 45.g5 (45.Rc2 Kc2 46.g5 Rb4 47.gf6 Ra4) 0–1. hal1958 – baraka, HCL–T104 playchess.de, 2003.

5.c5 Qd8 6.e3 Nf6 7.Bf6 Qf6 8.Nf3?? Qa1 0–1. A Sikora – Baena de Moraes, corr 3GMM–56 1995–96.

5.d4 ab4= 6.c5 Qc7 7.ab4 Ra1 8.Ba1 Na6 9.Qb3 d6 10.e3 Nf6 11.Nf3 Nd5 12.Ba6 ba6 13.Nc3 Qb7 14.Nd5 ed5 15.Nd2 (15.0-0 Be7=) 15...Qb5+= 16.f3 Be7 17.Kf2 0-0 18.Bb2 (18.Qc2 Re8+=) 18...Bd7 19.Ra1 Rb8 20.Ra5 Qb7 (worse is 20...Qb4 21.Qb4 Rb4 22.Ba3+/–) 21.Bc3 Rd8 (21...dc5 22.dc5 Qc7 23.g3+=) 22.Ra3 a5?? (better is 22...Re8+=) 23.ba5+– Qc7? (better is 23...Qa8 24.Bb4 dc5 25.Bc5 Bc5 26.dc5 Rb8+–) 24.Qa4?? (better is 24.Qb6 Qb8 25.Rb3+–) 24...dc5+= 25.dc5? (better is 25.Nf1+=) 25...Qh2–+ 26.Qf4?? (26.Qd4 Bh4 27.Ke2 Qg2 28.Kd1 Qg3–+) 26...Bh4 (better is 26...Qf4 27.ef4 Bc5 28.Bd4 Ba3–+) 27.Kf1 Qh1 28.Ke2 Re8?? 29.Kd3–/+ Be7 30.Rb3 Bc5 31.Rb8 Qh5 32.Re8= Be8 33.Qb8 Qf5 34.e4 Qd7–/+ 35.Ke2 h6 36.Bb4 Ba7 37.Qd6 c5 38.Qd7 Bd7 39.Ba3 Bb5 40.Kd1 d4 41.Kc1 c4–+ 42.Bb4 Bb8 43.Bc5 c3 44.Nb3 d3 45.Be3 Bc4 46.Nc5 Ba7 (46...Ba7 47.Nd3 Be3 (47...Bd3?! 48.Ba7 Bf1 49.g3=) 48.Kc2 Bd4–+) 0–1. Molano Lafuente,Ismael (2000) – Ortega Serra,Marc (2190), Santa Eulalia de Roncana ESP, 7th Open, 2013.

5.d4 ab4 6.c5 Qc7 7.ab4 Ra1 8.Ba1 b6 9.e3 Ba6 10.Nf3 (10.Ne2 d5=) 10...Bf1=+ 11.Kf1 Na6 12.Bc3 Nf6 13.g3 Nd5 14.Qb3 (14.Qa4 Qb7 (worse 14...bc5 15.Qa6 cb4 16.Ba1+=) 15.e4 Ndc7=) 14...bc5 (14...Qb7!? 15.Nfd2 d6=+) 15.bc5= (worse 15.dc5 Ndb4 16.Bb4 Qb7–/+) 15...Be7 (15...d6 16.cd6 Bd6 17.e4 Nc3 18.Nc3=) 16.Kg2 (16.e4 Nf6 17.Nbd2 0-0+=) 16...0-0= 17.Bd2 Rb8 18.Qc2 Nab4 19.Qc4 Qa7 (19...f5 20.Na3 d6 21.cd6 Bd6 22.Rb1=) 20.Nc3 (20.e4 Nf6+=) 20...Nc3= 21.Bc3 Nd5 22.Ra1 Qb7 23.Bd2 h6 (23...Nf6 24.Qc2=) 24.Ne5 (24.e4 Nc7+=) 24...Bf6 25.f4?? (better 25.Nd3+=) 25...Be5–+ 26.fe5 Ne7?? (better 26...Ne3 27.Be3 Qb2 28.Bf2 Qa1–+) 27.Ra2 Nf5 (better 27...Qb1=) 28.Kf3?? (28.e4 Ne7+–) 28...Qb3?? (better 28...Qb1 29.Kf2 Qh1–/+) 29.Qb3+– Rb3 30.Ke2 g5 (30...Rb7 31.Ra4 Kh7 32.e4+–) 31.Ra7 (31.Ra8 Kg7 32.Ra7 Rb1+–) 31...Rb2 (31...Rb1!?+–) 32.Rd7+– g4 (32...Kf8 33.g4 Ne7 34.e4+–) 33.Rc7 (33.Rc7 Rb1 34.Kd3 Rb3 35.Kc2+–) 1–0. BeepBeepImAJeep (2735) – Lalarttu (2520), lichess.org, 2019.

5.d4 ab4 6.c5 Qc7 7.ab4 Ra1 8.Ba1 d5 9.Nf3 Nf6 10.e3 g6 (10...b6 11.Nc3=) 11.Bd3+= Bg7 12.0-0 0-0 13.Nc3 b5 14.Qd2 Na6 15.Bb2 Ne4? (better is 15...Qe7!?+=) 16.Ne4+– de4 17.Be4 f5 (17...Rd8 18.Qc3+–) 18.Bc2 Qe7 19.Ra1 Rd8 20.Bb3 g5 21.Qe1 g4 22.Ne5 Be5 23.de5 Rd3 24.Bd1 h5? (better is 24...Qh4 25.Bc2 Rd8+–) 25.Bd4 Rd1 (25...Qd8 26.Bc2 Rd4 27.ed4+–) 26.Rd1 (26.Qd1?! Nb4 27.Qb3 Na6+–) 26...Nc7 27.e4 h4 28.Bb2 (28.Be3 Bb7+–) 28...h3 29.Qd2 Nd5 (29...Kf7 30.Qd8 Qd8 31.Rd8 fe4 32.Rc8+–) 30.ed5 ed5 31.Qh6 Qe6 32.Qe6 (32.Qg5 Kf7+–) 32...Be6 33.gh3 gh3 34.f4 (34...Kf8 35.Rd3+–) 1–0. Berglund,Per – Thystrup,Preben, corr ICCF TT–2–86 Final, 1991.

5.d4 ab4 6.c5 Qd8 7.ab4 Ra1 8.Ba1 b6 9.Nd2 Nf6 10.e3 Be7 11.Ngf3 0-0 12.Bd3 (12.e4 Qc7=) 12...Ba6 13.Qb1 Bd3 14.Qd3 Qc8 (14...d6 15.cd6 Qd6 16.b5=) 15.0-0 Qa6 16.Qb3 bc5 (16...Qb5 17.Nc4=) 17.bc5 Qe2 18.Re1 Qd3?? (better 18...Qa6+–) 19.Qd3+– (19.Qd3 d6 20.cd6 Bd6 21.Rb1+–) 1–0. BeepBeepImAJeep (2720) – Lalarttu (2535), lichess.org, 2019.

5.d4 d5 6.c5 Qc7 7.Nd2 Nf6 8.e3 ab4 9.ab4 Ra1 10.Qa1 Be7 11.Ngf3 0-0 12.Bd3 (12.Qa5 Qa5 13.ba5 Nbd7+=) 12...b6 (12...Nbd7 13.Qa7=) 13.Qb1 (13.0-0 Nbd7+=) 13...Ba6= 14.0-0 Bd3 15.Qd3 bc5 16.bc5 Nbd7 17.Bc3 Ra8 18.Rb1 h6 19.h3 Rb8 20.Qc2 Rb7 21.Rb7 White launches an attack 21...Qb7 22.Qa4 Ne8 23.Nb3 Nc7 24.Na5 Qa8? (better 24...Qb5 25.Qb5 Nb5=) 25.Qc6+– Nb8?? (25...Qc8 26.Qb7 Qb7 27.Nb7+–) 26.Qa8 (better 26.Qc7 Bf6 27.Qc8 Kh7 28.Nb7+–) 26...Na8 27.Ne5 Kf8 28.Nec6 Nc6 29.Nc6 Ke8 30.Ne7 Ke7 31.Ba5 Kd7 32.Kf1 Kc6 33.Ke2 Kb5 34.Bd8 g6 35.Kd3 Kb4 36.c6 (36.c6 Kb5 37.c7+–; better 36.Bf6!? Kb5+–) 1–0. BeepBeepImAJeep (2730) – ezquerrov (2485), lichess.org, 2020.

5.d4 d5 6.c5 Qc7 7.e3 (7.ba5 e5=) 7...b6 8.Nf3 Nf6 9.Be2 (9.Nc3 ab4 10.ab4 Ra1 11.Ba1 Be7=) 9...Be7 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.0-0 (10.Nc3 ab4 11.ab4 Ra1 12.Qa1 0-0=) 10...0-0 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.Nc3 Nbd7 (11...Ba6 12.cb6 Qb6 13.Na4=) 12.h3 (12.Qc2 Ba6=) 12...Re8 (12...Ba6 13.Ba6 Ra6 14.Qd3=+) 13.cb6 (13.Qc2 Ba6=) 13...Nb6 14.ba5 Ra5 15.a4 (15.Ne5 Ba6=) 15...Ba6=+ 16.Ba6 Ra6 17.Ba3 c5 (17...Ba3 18.Ra3 Nc4 19.Rb3=+) 18.Nb5 (18.dc5 Nc4=) 18...Qc8=+ 19.dc5 Na4 (19...Bc5 20.Bc5 Qc5 21.Qb3=+) 20.Nd6= Bd6 21.cd6 Nc3 22.Qd3 Nce4 23.Rfc1 Qa8 24.Bb2 Ra1 25.Ra1 Qd8=+ 26.Be5 Nd6–/+ 27.Ng5 Nde4 28.Ne4 Ne4 29.f3 Nd6 30.e4 Qb6 31.Kh1 f6 32.Bh2=+ d4 33.e5 Nf5 34.ef6 gf6 35.Rc1 Qb2 36.Bf4 Ng3 37.Kh2=+ Ne2?? 38.Rc7+– f5 1–0. Woschkat,Karl_Heinz – Blaszczak, corr 3GMM–59, 1997.

5.d4 Nf6 6.c5 Qc7 7.Nf3 b6 8.e3 (8.Nc3 ab4 9.ab4 Ra1 10.Qa1 Ba6=) 8...Be7 (8...ab4 9.ab4 Ra1 10.Ba1=+) 9.Nbd2 0-0 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.Be2 (10.Nc4 bc5 11.bc5 Ba6+=) 10...Ba6 11.0-0 Be2 12.Qe2 Na6 (12...ab4 13.ab4 Ra1 14.Ra1=) 13.Qc4 (13.Nc4 bc5 14.bc5 Ne4+/-) 13...d6 (13...b5 14.Qb3=) 14.cb6 Qb6 15.Bc3 (better 15.ba5!? Qc7 16.Rfc1=) 15...ab4=+ 16.ab4 Nc7 (16...d5 17.Qa2=+) 17.Ra8 Ra8 18.h3 Nb5 19.Nb3 (19.Rc1 d5 20.Qd3 Ra3=+) 19...Ra3 (19...Nc3!? 20.Qc3 Nd5-/+) 20.Rc1?? (better 20.Bd2=+) 20…d5-+ (20...d5 21.Qe2 Rb3-+; 20...Nc3?! 21.Qc3 (21.Rc3 d5 22.Qe2 Qb4-/+) 21...Nd5 22.Qc4-/+) 0-1. ESP_918 (2155) - zumpili (2525), Rated Bullet game, lichess.org, 2020.

5.e3 d5 6.c5 Qd8 7.f4 (7.Nf3 b6=) 7...b6 8.d4 (8.Qc2 ab4 9.ab4 Ra1 10.Ba1 bc5 11.bc5 Ba6=) 8...Ba6 9.Ba6 Ra6 10.Nf3 Nh6 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.0-0= ab4 12.ab4 Ra1 13.Ba1 Be7 14.Nbd2 Qc8 (14...0-0 15.Qe2=) 15.Qa4 Qa6 (15...Qc7!?=) 16.Qa6+= Na6 17.Bc3 (17.cb6 Ng4 18.e4 Nf6+=) 17...bc5+= 18.bc5 f6 (18...Ng4 19.Ra1 Nc7 20.e4+=) 19.Ra1 Nc7 20.h3 (20.Ra7 Nb5 21.Ra8 Bd8+=) 20...Kd7 21.Ra7 Ra8 22.Ra8 Na8 23.Ba5 (23.e4 Nc7=) 23...Nf7= 24.Kf2 e5 25.f5 Kc8 (25...e4 26.Nh4=) 26.Nb3 Nc7 27.Bc3 Nb5 28.Bb2 e4=+ 29.Ng1 Bd8 30.Ne2 Bc7 31.Nf4 Bf4 32.ef4 Kb7 33.g4 Ka6 34.Bc1 Nc7 35.Bd2 Kb5 36.Ke3? h5–/+ 37.Na5 hg4–+ (38.hg4 Nh6–+) 0–1. Katzmann,Svend – Schneider, corr DDR, 1986.

5.e3 d6 6.Qa4 Bd7 7.Nf3 e5 8.c5 dc5 9.Ne5 Nf6 10.Bc4 Be6 11.Be6 fe6 12.Qb3 +/–.

5.e3 d6 6.b5 e5 =.

5.e3 d6 6.Nc3 ab4 7.Na4 Qd8 8.ab4 =.

5.e3 d6 6.Nc3 Nf6 7.Nf3 (7.Na4 Qd8=) 7...Be7 8.Be2 (8.d4 ab4 9.Na4 Qd8 10.ab4 d5=) 8...0-0 (8...ab4 9.Na4 Qc7 10.ab4=) 9.0-0 Na6 (9...ab4 10.Na4 Qc7 11.ab4=) 10.b5+= Nc5 11.d4 Nce4 12.Nd2 (12.Ne4 Ne4 13.Qd3 f5+=) 12...Nc3= 13.Bc3 cb5 14.cb5 Nd5 15.Bb2 a4 16.Rb1 Bd7 17.Ba1 Rfc8 18.Nc4 Qd8 19.e4 (19.Re1 Nb6 20.Nb6 Qb6=) 19...Nf4=+ 20.d5 ed5 21.ed5 Rc5 22.Ne3 Bf6 23.Rb4 (23.Bc4 Ba1 24.Ra1 Qg5–/+ (24...Bb5?! 25.Bb5 Rb5 26.Rb1 Rb1 27.Qb1=+)) 23...Rc1–/+ 24.Rf4 Rd1 25.Rd1 Ba1 26.Ra1 f5 27.Rc1=+ Qf6 28.Rc7 Qa1 29.Nf1 Qe5 30.Rf3 Qe2 31.Rd7 Qb5 32.Rd6 Rc8 33.g4 fg4 34.Rf4 Qc5 35.Rd7 Rf8 36.Rf8 Kf8 37.Rb7 Qd5 38.Rb4 Qd1 39.Re4 h5 40.Re3 Kf7 41.f3 gf3 42.Kf2 g5 43.Rf3 Ke6 44.Re3 Kd5 45.h3 Kd4 46.Ng3 Qc2 47.Re2 Qd3 (48.Re4 Kd5–+; 47...Qc5 48.Re3–+) 0–1. Fischbach,R – Muller,W, corr Leipzig, 1993.

5.e3 Nf6 6.Qa4 Be7 7.Nf3 d6 8.d4 Bd7 (8...0-0 9.Bd3+=) 9.c5 Qc7 10.Bd3 b5 11.cb6 Qb6 12.0-0 c5 (12...Qb7 13.Nc3+=) 13.dc5+/– dc5 14.b5 0-0 15.Nc3 Rc8 16.Rab1 Na6 (16...Ra7!?+/–) 17.Qh4+– Nc7 (better is 17...c4 18.Na4 Qd6+–) 18.Na4 Qb8 (18...Qd6 19.Rfd1 h6 20.Bh7 Nh7 21.Rd6 Bh4 22.Rd7+– (22.Nh4?! Nf8 23.b6 Ba4+=)) 19.Bf6 Bf6 20.Qh7 Kf8 21.Nc5 Ke7 22.Nd7 Kd7 23.b6 Rh8 24.bc7 Qc7 (24...Qb1 25.Rb1 (< 25.Bb1 Rh7 26.Bh7 g6+–) 25...Rh7 26.Bh7+–) 25.Qe4 Rab8 26.Rfc1 Bc3 (26...Rb1 27.Rb1 Ke8+–) 27.Bc4 Rb1 28.Rb1 (28...Rb8 29.Qd3 Ke7 30.Rb8 (30.Qc3?! Rb1 31.Ne1 Re1 32.Qe1 Qc4+=) 30...Qb8 31.Qc3+–; < 28.Qb1 Qc4 29.Ne5 Be5 30.Rc4 Bh2 31.Kf1 Rb8+–) 1–0. woschkat (2285) – jupiter (2200), net–chess.com, 2001.

6.bc5 Qb2 7.Nc3 a4 8.e3 Qb3? 9.Qc1+– e5 10.Ne4 Qd5 (10...b5 11.cb6! Qd5 12.f3+–) 11.Nd6 Kd8 12.e4 Qe6 13.Bc4 Qg6 (13...Qe7 14.Nf7 Kc7 15.Nh8+–) 14.Nf7 Ke8 (14...Kc7 15.Kf1 Qe4 16.Nh8+–) 15.Ne2 (15.Kf1 Nh6 16.Nh8 Qf6+–) 15...Nh6 (15...Nf6 16.Nh8 Qg2 17.Rg1 Qh2 18.d3+–) 16.Nh8 Na6 1–0. deepthough (2190) – arbab (1910), gameknot.com, 2015.

6.bc5 Qb2 7.Nc3 a4 8.e3 b5 9.Ra2 (9.cb6 Qb6 10.Qg4 g6+=) 9...Qb3 10.Qg4 Kf8 11.Nf3 e5 (11...Nf6 12.Qh4 e5 13.Ne5+=) 12.Qe4 Qe6 13.Qe5 Nf6 14.Rb2 Qe5 15.Ne5 Ne8 16.d4 f6 17.Nd3 d5 (17...Kf7 18.d5+/–) 18.Nb4 (18.Nf4 Nc7+/–) 18...f5 (18...Nc7 19.Bd3+/–) 19.Bb5 cb5 20.Nbd5 (< 20.Nb5 Bb7=) 20...Ra5 (20...Bd7 21.Nb5 Kf7 22.Nb6+/–) 21.Nb5 Nc6 22.Kd2 Ne7 (22...Be6 23.Ndc3+/–) 23.Ndc3+– Be6 24.f3 Bb3 (24...Nf6 25.e4+–) 25.e4 Nf6 26.Kd3 g6 27.Re1 fe4 28.fe4 Kg7 29.Nd6 Rb8 30.Reb1 Nc6 31.Nc4 White fights for the Initiative 31...Ra7 32.d5 Rd8 33.Nd6 Ne5 34.Kd4 Re7 35.Re2 Ne8 36.Ncb5 Ng4 37.Ne8 Rde8 38.Nd6 Rd8 39.h3 Nf6 40.Rbb2 Rf8 41.c6 h6 42.Re3 Rd8 43.Nb7 Rde8 44.d6 Re4 45.Re4 Re4 46.Kc5 Be6 47.Rd2 (47...Re5 48.Kb6+–) 1–0. Woelfelschneider,Peter – Kagel,Fred, HFK–025.01 TSC, 2002.

6.bc5 Qb2 7.Nc3 a4 8.Ne4 Nf6 9.Nd6 Ke7 +=.

6.bc5 Qb2 7.Nc3 Na6 8.Ra2 Qa2 9.Na2 Nc5 10.Qc2 d6 11.d4 Nd7 12.e3 Ngf6 13.Bd3 0-0 14.Nf3 e5 15.0-0 Re8 16.Nc3 ed4 17.ed4 Nf8 18.Ng5 h6 19.Nge4 Ne4 20.Ne4 Rd8 21.Nc3 (21.Re1 Ne6 22.Qc3 d5+–) 21...Bd7 (21...Ne6 22.Rd1+–) 22.Na4 Be6 23.Nb6 Rab8 (23...Ra7 24.Re1+–) 24.Rb1 Nd7 25.Nd7 Bd7 26.Rb6 Re8 27.Qb1 Re7 (27...Kf8 28.Kf1 Re7 29.Rb7+–) 28.Rb7 Rbe8 29.Bf1 Re1 30.Qc2 Bc8 31.Ra7 c5 32.dc5 dc5 33.Qc5 g6 (33...Be6 34.Qc3 (34.Ra5?! Rc8+–; 34.Qa5?! Bc4 35.h3 Bf1+–) 34...Rd1 35.Qc2+– (worse 35.Ra5 Rc8 36.Rc5 Rb8+–; 35.Qa5?! Bc4 36.h3 Rf1 37.Kh2 Rfe1+–)) 34.Ra8 Bd7 35.Re8 Be8 (35...Re8 36.Qa5 Be6 37.a4+–) 36.Qa5 Re6 37.Qd8 Kg7 38.a4! Re1 (38...Ba4 39.Qd4 Double attack (39.Qd4 Decoy)) 39.a5 (better 39.Qd2 Re7 40.a5+–) 39...Bb5 40.Qd4 Kh7 41.h3 Bf1 42.Qf6 Kg8 43.Qd8 Kg7 44.Qd4 Kh7 45.Qf6 Kg8 46.Kh2 Re6 47.Qd8 Kg7 48.Qd4 Kg8 49.Qd8 Kg7 50.Qd1 Ba6 51.Qd4 Kg8 52.Qd8 Kg7 53.Qd4 Kg8 54.Kg3 g5 55.f4 Kh7 56.f5 Rc6 57.Qd5 Rc7 58.Qd6 Rc3 (58...Ra7 59.f6 Kg6 60.Qc5+–) 59.Kh2 Bc8 (59...Bc4+–) 60.Qe7 Kg8 61.Qe8 (61.Qe8 Kg7 62.Qe5 Kh7 63.Qc3+–) 1–0. DEFFM – GuestQTYF, freechess.org, 2017.

6.e3 Kf8?? 7.Bg7 (7.bc5 Qc5 8.Qg4+–) 7...Kg7= 8.bc5 Qc5 9.Nf3 (9.d4 Qg5=) 9...d5 10.g3 (10.d4 Qe7=) 10...Nf6+= 11.Bg2 Nbd7 12.0-0 Kf8 13.d4 Qd6 14.Nbd2 b6 15.Qc2 Bb7 16.e4 de4 17.Ne4 Ne4 18.Qe4 Nf6 19.Qe5 Qe5 20.Ne5 Rc8 21.a4 Nd5 22.Rfc1 f6 23.Bd5 cd5+= 24.Nd7 Ke7 25.Nb6 Rc1 26.Rc1 Kd6 27.f4 Rb8 28.Rc5 Bc6 29.Nd5 ed5 30.Ra5 Rb4 31.Ra7 Rd4 32.Rh7 Ra4 33.Rh6 Ke6 34.Kf2 d4 35.Ke2 Ra3 36.Kd2 d3 37.h4 Be4 38.Rh8 Ra2 39.Ke3 Re2 40.Kd4 d2 0–1. Hal1958 – Cabe, playchess.de, 2004.

6.e3 Bf8 7.b5 cb5 8.Nc3 b4 9.ab4 Bb4?? (better 9...Nf6 10.Na4 Qd8=+ (10...Qb4? 11.Bf6 gf6 12.Rb1+–)) 10.Na4+– Qd6 11.Bg7 Nf6 12.Bh8 (worse 12.Bf6 Rg8+–) 12...Ne4 13.Nf3 Nc6 14.Nc3 (14.Rc1 Rb8+–) 14...Nc5 (14...Bc3 15.Bc3 Nc3 16.dc3 Qd1 17.Kd1+–) 15.Be2 f5 16.0-0 b6 (16...Qe7 17.Nb5 d6 18.Bf6+–) 17.Nb5 Qb8 18.d4 Ne4 (18...Na6 19.d5 Na7 20.de6+–) 19.Ne5 (19.d5 Nd8 20.de6 Ne6+–) 19...Ba6 (19...Ne5 20.de5 Ba6 21.Rc1+–) 20.Nc6 dc6 21.Be5 Qb7 (21...Nd6 22.Nd6 Bd6 23.Ba6 Ra6 24.Qh5 Kd8 25.Qf7+–) 22.Nc7 Kd7 23.Na6 (23.Ba6 Ra6 24.Qh5 Bd6 25.Na6 Qa6+–) 23...Ra6 (23...Nc3 24.Qd3 Ne2 25.Qe2 Ra6 26.Qh5+–) 24.Ba6 Qa6 25.Qb3 (better 25.Qh5!? Be7+–) 25...Nc3 (25...Nd2 26.Qb2+–) 26.Qb4 (better 26.h3 Qb5+–) 26...Qf1 (26...ab4?? 27.Ra6 Ne2 28.Kh1+–) 27.Kf1 (27.Rf1 Ne2) 27...ab4 28.Ke1 (better 28.Ra6 b3 29.Rb6 Nb5+–) 28...b3 29.d5 b2 30.de6 (30.Bc3?! ba1R 31.Ba1 ed5+–) 30...Ke6 The mate threat is bxa1Q 31.Bc3 ba1Q 32.Ba1 Kd5 33.Kd2 Kc4 (33...b5 34.h3+–) 34.Kc2 (34.h3 h5+–) 34...b5 35.Bg7 (35.h3 h5+–) 35...c5 36.h3 b4 (36...h5+–) 37.g4 b3 38.Kd2 fg4 39.hg4 Kb4 (39...Kd5 40.f3 Kc6 41.Kc3+–) 40.Bb2 c4 41.f4 Kc5 42.Kc3 Kd5 43.Ba3 Ke4 44.Kc4 Ke3 45.f5 (45.Kb3?! Kf4 46.Bc1 Kg4=) 45...Kf4 46.f6 Kg4 47.f7 Kf5 48.f8Q Kg6 49.Kb3 (49.Be7 h5 50.Qf6 Kh7 51.Bf8 h4 52.Qg7) 49...h6 (49...Kg5 50.Qf3 Kh6 51.Be7 Kg6 52.Qf6 Kh5 53.Qg5) 50.Bc1 (50.Bc1 h5 51.Qe8 Kf6 52.Qh5 Ke7 53.Qe5 Kf7 54.Qf5 Ke7 55.Ba3 Kd8 56.Bd6 Ke8 57.Qe6 Kd8 58.Qe7 Kc8 59.Qc7; 50.Be7 h5 51.Qf6 Kh7 52.Bf8 h4 53.Qg7) 1–0. BeepBeepImAJeep (2710) – GymKingMatarazzo (2395), lichess.org, 2020.

6.e3 Bf8 7.b5 Nf6 8.a4 (8.Bf6 gf6 9.Nf3 cb5–/+) 8...d5 9.Nf3 c5 (9...Be7 10.Be2–/+) 10.Be2 Be7 11.0-0 0-0 12.d4 Nbd7 (12...c4 13.Nc3–/+) 13.dc5=+ Nc5 (13...Qc5? 14.Ba3 Qb6 15.Be7+–; 13...Bc5?! 14.Nbd2=+) 14.Nbd2 Rd8 15.Rc1 Bd7 16.Ba3 (16.Bd4 Rac8=+) 16...Bf8 17.Nd4 Rac8 18.Bb2 Nce4 19.N2b3 (19.Ne4 Ne4 20.Rc8 Rc8–/+) 19...Rc1 20.Qc1 Rc8 21.Qa1 Ne8 22.Rc1 N8d6 (22...Rc1 23.Qc1 e5 24.Nf3–/+) 23.Rc8=+ Bc8 24.Qe1 Nc4 25.Bc4 dc4 26.Na5 c3 (26...Qc7 27.b6 Qc5 28.Nb5–/+) 27.Bc3= Nc3 (better 27...Qc7!? 28.Ne2 Bd6=) 28.Qc3+– Bd7 29.Nab3 e5 30.Nf3 f6 31.h3 Be6 32.Nfd2 h5 (32...Qd6 33.a5+=) 33.Ne4 Bf7 34.Nec5 (34.Nbc5 Qc7+–) 34...Qa7 (34...Qc7 35.b6 Qb6 36.a5=) 35.a5 (35.e4 Be7+–) 35...b6 36.Na6 ba5 37.Na5 The passed pawn on b5 quickly leads to threats (37.Nbc5 a4=) 37...Qb6=+ 38.Nc7 Bd6 39.Qc6?? (better 39.Na8 Qb5 40.Qc8 Qe8 41.Nb6=+) 39...Qc6 (39...Bc7 40.Qb6 Bb6 41.Nb7–+) 40.Nc6 Bc7 41.Ne7 (41.e4 Bc4–+) 41...Kf8 42.Nc6 Bc4 43.b6 (43.Na7 Bb6 44.Nc8 Bc5–+) 43...Bb6 44.Nb4 Bf7 (44...Bc5 45.Nc2–+) 45.Nc2 Bc5 46.Ne1 Bb4 47.Nf3 Bd6 (47...g5 48.Nh2–+) 48.Nh4 g5 49.Nf5 (49.Nf5 Ba3 50.e4–+). BeepBeepImAJeep (2720) – Lalarttu (2530), lichess.org, 2019.

6.Nf3 d6 7.cd6 Qd6 8.e3 (8.ba5!? Ra5 9.d4=) 8...ab4=+ 9.ab4 Ra1 10.Ba1 Qb4 11.Bc3 Qb6 12.Be2 Nd7 13.0-0 Ngf6 14.Qc2 Bd6 15.e4 Bb8 (15...Nh5 16.Bc4=+) 16.d4= 0-0 17.Bd3 h6 18.Nbd2 Re8 19.Nc4 Qd8 20.Rd1 b5 21.Na5 Qc7 22.Bb4 Bb7 23.Rc1 Rc8 24.g3 (24.Nb7 Qb7 25.e5 Nd5=) 24...Ba8=+ 25.Nb3 g5 (25...e5 26.de5 Ne5 27.Ne5 Qe5 28.Bc3=) 26.Qa2 (26.h3 e5+=) 26...Qb7= 27.Ra1 Bc7 28.Qd2 Bb6 29.Ng5 hg5 30.Qg5 Kh8 31.e5 Nh7 32.Qh6 f5 33.Qe6 Bd4 34.Nd4 c5 35.f3 cd4 (35...Ndf8 36.Qf5 A) 36...cd4 37.Be4 Qc7 38.Ba8 (worse 38.Ra8 Ra8 39.Ba8 Qc1 40.Kg2 Qb2 41.Kh3 Qb4=+) 38...Ra8 39.Ra8 Qc1 40.Kg2 Qb2 41.Kf1 Qb4 42.e6+–; B) 36...cb4+=) 36.Qf5+– (36.Bf5 Qf3 37.Ra8 Ra8–+ (37...Qa8?! 38.Bh7 Qf3 39.Bc5–/+)) 36...Ndf8 37.Be4 Qc7 38.Ba8 (worse 38.Ra8 Ra8 39.Ba8 Qc1 40.Kg2 Qb2 41.Kh3 Qb4=+) 38...Re8? (38...Ra8 39.Ra8 Qc1 40.Kg2 Qb2 41.Kf1 Qb4+–) 39.Bd6 (39.Be4!? Qe5 40.Qe5 Re5+–) 39...Qc3 40.Ra3 (40.Ra7 d3 41.Qg4 Qe1 42.Kg2 Qd2 43.Kh3 Qh6 44.Kg2 Qd2 45.Kh1 Qe1 46.Kg2 Qd2=) 40...Qd2? (40...Qe1 41.Kg2 Qd2 42.Kh3 Qh6 43.Kg4 Qg7 44.Kh4 Ng6 45.Kh3 Qh6 46.Kg2 Qd2 47.Kf1 Qd1 48.Kf2 Qd2 49.Kg1 Qe1 50.Kg2 Qd2 51.Kg1 Qe1 52.Kg2 Qd2=) 41.Bd5+– b4? (41...Qe1 42.Kg2 Qd2 43.Kh3 Qh6 44.Kg4 Qg7 45.Kh4 Qh6 46.Qh5 Ng6 47.Kg4 Qh5 48.Kh5 Ne5+–) 42.Ra2 Qd1 (42...Qg5 43.Qg5 Ng5+–) 43.Kg2 b3 (43...Ne6 44.Qg6 Rc8 45.Be6 b3 46.Bf5 Qf1 47.Kf1 Nf8 48.Bf8 Rc1 49.Kf2 Rc7 50.Qf6 Kg8 51.Be6 Kh7 52.Qh6) 44.Qf7 Nf6 45.Qf6 Kh7 46.Ra7 (46.Ra7 Nd7 47.Rd7 Re7 48.Re7) 1–0. DEFFM – GuestCQNF, freechess.org, 2018.

6.Bg7 Bf2# 0–1. Brichinova – Alexandrova, Pernik 1979.

6.Qa4 Nf6 7.e3 d5 8.c5 Qa7 9.Qb3 b6 10.Bd3 b5 11.a4 ba4 12.Qa4 Ba6 (12...Qb7 13.Bc3+/–) 13.Ba6+/– Qa6 14.ba5 (14.Qa5!? Be7 15.Nf3 Qa5 16.ba5+=) 14...Be7 15.Nd2 0-0 (15...Nbd7 16.Qd1=) 16.Ne2 (16.Qd1 Re8+=) 16...Nbd7= 17.Qc2 Ra7 (17...Bd8 18.Bc3=) 18.f3 (18.Nf3 Rb7+=) 18...Bd8 (18...Rb8 19.e4=) 19.Bc3 (19.e4 Rb7+=) 19...Bc7 20.g4 (20.e4 e5=) 20...e5 (20...Rb8 21.g5 Ne8 22.f4+=) 21.g5 (21.Qf5 g6 22.Qc2 ed4 23.Bd4 Ne5=) 21...ed4 22.Bd4 (< 22.gf6 dc3 23.Nb3 Nf6 24.Qc3 Re8–/+) 22...Nh5 23.Qf5 (23.Kf2 Ne5+= (23...Ba5? 24.Nb3+–)) 23...g6 (23...Ne5 24.Ra3 Re8 25.Kf2+=) 24.Qg4 Ne5 25.Be5 Be5 26.Ra2 Qb5 27.Qa4 Qc5 28.Kf2 Qd6 29.Nb3 (29.Rc1 Bg7 30.Nf1 Rc8=+) 29...c5 (29...Rb8 30.f4 Rb4 31.fe5 Ra4 32.ed6 Ra2 33.Rc1=) 30.Qa3 (30.f4 Bh8=) 30...Rc8 31.Rc2 c4 32.Qd6 Bd6 33.Nbd4 Ra5 34.h4 f5 35.Rb1 (35.Rd1 Be5–/+) 35...f4 36.e4 Ng3 37.ed5 Rd5 38.Rbc1 Bc5 39.Rc4 (39.Kg2 Rd4 (39...Bd4?! 40.Nf4 Rdd8 41.Kg3=+) 40.Nd4 Bd4 41.Rc4 Rc4 42.Rc4 Nf5 43.Rc8 Kf7 44.Rc7 Ke6–+) 39...Ne2 40.Rc5 (40.Ke2?? Re8 41.Ne6 Re6 42.Re4 Kf7–+) 40...Rdc5 (40...Rcc5 41.Rc5) 41.Rc5 Rc5 42.Ke2 (42.Ne2 Rc2–+) 42...h6 43.Kd3 hg5 44.hg5 Re5 45.Nc6 Rg5 46.Ke4 Rc5 47.Nd8 (47.Ne5 g5–+) 47...g5 48.Ne6 (48.Nb7 Rd5! 49.Kd5 g4 50.fg4 f3–+) 48...Ra5 49.Nd4 (49.Nd8 Ra6–+) 49...Kf7 50.Nb3 Ra3 51.Nd4 (51.Nd2 Ke6 52.Nf1–+) 51...Ra4 52.Ke5 (52.Kd3 Rd4 53.Ke2–+) 52...Rd4 53.Kd4 Kg6 54.Kd3 Kh5 55.Ke4 Kh4 56.Kd3 Kg3 57.Ke4 Kg2 (58.Kf5 Kf3 59.Kg5 Ke4–+) 0–1. Andersson – Woelfelschneider,Peter, corr SOK–96–119, 1998.

6.Qb3 ab4 7.ab4 Ra1 8.Ba1 Na6 9.Bc3 Nf6 10.e3 Ne4 11.b5 Nc3 12.Nc3 Be7 13.Nf3 0-0 14.Be2 d5 (14...cb5!? 15.Qb5 Qc7+=) 15.c5+– Bc5 (15...Nc5 16.dc5 Qc5 17.0-0+–) 16.dc5 Nc5 17.Qb2 Bd7 18.0-0 f6 19.Rb1 e5 20.bc6 (20.Qc1!? Be6 21.bc6 Qc6 22.Qb2+–) 20...Qb2+– 21.Rb2 bc6 22.Rc2 Ne6 23.Na4 (23.Ra2 Rb8+–) 23...Ra8 24.Nc5 (24.Nb6 Ra1 25.Bf1 Be8+=) 24...Nc5= 25.Rc5 Ra1 26.Bf1 Kf7 27.Rc2 Ke7 28.Rb2 (28.Nd2 Kd6=) 28...Kd6 29.Nd2 c5 30.Rb6 (30.e4 d4=) 30...Kc7=+ 31.Rb1 c4?? (better 31...Ra2 32.Nf3 Bf5=+) 32.Ra1+– (32.Ra1 Kd6 33.Rd1+–) 1–0. BeepBeepImAJeep (2740) – ezquerrov (2475), lichess.org, 2020.

6.e3 ab4 7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nf3 d5 11.Nbd2 Nd7 12.c5 Qa7 13.Qa1 Qa1 14.Ba1 e5 15.g3 e4 16.Ng1 Be7 17.Bh3 Ngf6 18.Ngf3 ef3 19.Nf3 0-0 20.Bf1 b6 21.cb6 Bb4 22.Kd1 Ne4 0–1. player27 – Yogibear, playchess.de, 2001.

6.e3 Nd7 7.b5 Ngf6 8.Bd3 Be7 9.Nf3 c5 10.0-0 d5 11.Nc3 Bd6 12.Qc2 e5 13.Nd5 Nd5 14.cd5 cd4 15.ed4 f6 16.de5 1–0. Kucharkowski,Jens – Hanke,Goeran, corr DDR/I/177, 1982.

6.ab4 Ra1=+ 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 d5 10.cd5 ed5 11.Be2 Nf6 12.0-0 Be7 13.Qc2 Be6 14.Na3?? (better is 14.Ng5=+) 14...Ba3–+ 15.Rb1 Qc7 (15...Qa7 16.Qb3 b5 17.Bf6 gf6 18.Ra1–+) 16.Qa4 (16.Be5 Bd6 17.Bd6 Qd6 18.Rb7 c5–+) 16...Bd6 17.Bf6 gf6 18.Bd3 (18.Qb3 Bf5 19.Rb2 b5–+) 18...Ke7 (18...b5 19.Qd4–+) 19.Qa8 (19.Bc2 Nd7–+) 19...b5 20.Ra1 Bd7 (better is 20...Bg4 21.Ra7 Nd7 22.Qh8 Qa7 23.Qh7 Bf3 24.gf3 Qa5–+) 21.Bf5 Bc5 22.Bd7 Qd7 23.d4 Bb6 24.g3 Rc8 25.Qa3 Qd6 26.Qd3 Qe6 27.Rc1 Rc7 28.Qh7 Qe4 29.Qh5 b4 30.Nd2 Qd3 31.Nf1 b3 (32.Qh8 b2–+) 0–1. Hasler,Ulrich – Dommaschk,J, corr, 1991.

6.ab4 Ra1+= 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 Nf6 10.Be2 Be7 11.0-0 0-0 12.d3 d5 13.cd5 ed5 14.Bd4 c5 15.Bf6 Bf6 (15...gf6?! 16.Nc3 Qe6 17.d4=) 16.d4 cd4 17.Nd4 Nc6 18.Nc6 bc6 19.Nd2 Ba6 20.Ba6 Qa6 21.e4 d4 22.Re1 c5 23.Qc1 Bg5 24.Rd1 c4?? (24...Qe2 25.g3–+) 25.Qb1?? (better is 25.Qc4 Qc4 26.Nc4=) 25...Bd2 26.Rd2 d3 27.g3 (27.Qc1 Re8–+) 27...Rd8 28.Qc2 (28.Rd1 Qa8–+) 28...Qc6 (28...Qa1!? 29.Kg2 Qd4 30.Qc1–+) 29.f3 (29.e5–+) 29…Qb6 0–1. Valpa – Whiterock, playchess.de, 2002.

6.ab4 Ra1 7.Ba1 Qb4 8.Nf3 d6 9.Be2 Nf6 10.0-0 Qc5 11.d4 Qf5 12.h3 h5 (12...Be7!?+=) 13.Nc3 Nbd7 14.d5 ed5 15.cd5 (15.Nd4 Qe5 16.Nf3 Qe7 17.cd5 Nb6 18.dc6 bc6=) 15...Nd5+= 16.Nd5 Qd5 (16...cd5 17.Bd3 Qe6 18.Nd4+/–) 17.Qc2 (17.Qd5 cd5 18.Rd1 Nc5+=) 17...Ne5 18.Ne5 de5 19.Rd1 Qe6 20.Bc4 Qf6 (20...Qf5 21.e4 Qf6 22.Rd3–/+) 21.Qd3 b5 22.Bb3 Be6?? 23.Be6+– Bd6 24.Qd6 fe6 25.Qc6 Kf7 26.Rd7 Kg6 27.Rd6 Rb8 28.Re6 Kf7 29.Rf6 gf6 30.Qd5 Ke7 31.Qc5 Ke6 32.Bc3 Kf5 33.f3 h4 34.e4 Kg5 35.Bb4 Rb7 36.Qc6 Rb8 37.Be7 Kh5 38.Qf6 Rg8 39.Qh4 Kg6+– 40.Qg5 Kh7 41.Qe5 Rg7 42.Bf6 Rg6 1–0. Fournier,Frederic – Polemeo, ICC, 2005.

6.c5 Qc5?? 7.ab4+– (7.ab4 Qb4 8.Ra8 Qb2 9.Rb8+–) 1–0. DEFFM – GuestXJZB, freechess.org, 2018.

6.c5 Bc5? 7.ab4 Ra1 8.Ba1 Qb4 9.Bg7.

6.c5 Bc5?? 7.Bg7+– (7...ba3 8.Bh8+–) 1–0. Trkn – guest6130, ICC, 2004.

8.Ba1 d6 9.Nf3 =.

9.Nf3 b6 10.d4 Na6 11.Qa4 b5 12.Qb3 Be7 (12...d6 13.Bd3=) 13.Bd3+= Nd5 14.Bc3 f5 (14...d6 15.0-0=) 15.0-0 0-0 16.Nbd2 Nc3 17.Qc3 d6 18.e4 (18.Ra1 f4+=) 18...dc5 (18...Bf6 19.e5 de5 20.Ne5+=) 19.dc5 (19.bc5 fe4 20.Ne4 Qf4+=) 19...Nb8 20.Qb3 Kh8 21.Re1 Bf6 22.e5 Be7 23.Bb1 Na6 24.Nf1 Qd8 25.Rd1+= Qe8 26.Ng3 Nc7 27.Bc2 Nd5 28.Ra1 Qd7 29.Ne2 Rd8 30.Nc3 Qe8 31.g3 f4 32.Nd5 ed5 The passed pawn on e5 will quickly become a dangerous weapon 33.gf4 Qh5 34.Nd4 Bh4 35.Qf3 Bg4 36.Qe3 Bh3 37.Kh1 Bd7 38.e6 Be8 39.Bd1 Qh6 40.Bc2 Bf6 41.Nf5 Qh5 42.Re1 d4 43.Qg3 Bg6=+ 44.Nd6 Bc2 45.Nf7 Kg8 46.Nd8 Qd5 47.Kg1 Qd8–+ 48.Qf3? Qe8 49.Rc1 d3 50.Qe4 Qg6 (51.Qg2 d2–+; better is 50...d2 51.Rc2 d1Q 52.Kg2 Qg4 53.Kf1 Qh3 54.Ke2 Qee6 55.Qe3–+) 0–1. Kreuzer,Uwe – Wild, Landesliga Mannheim, 1992.

9.Nf3 b6 10.d4 d5 11.Bd3 =.

9.Nf3 b6 10.d4 Nd5 11.Qa4 b5 12.Qb3 Na6 13.Bc3 Nc3 14.Nc3 Be7 15.Bd3 0-0 16.0-0 Bb7 17.Ra1 Ra8 18.Ne5 d6 19.Nf3 d5 20.Qb1 h6 21.Ne5 Bd8 22.f4 Qe7 23.Bh7 Kh8 24.Bg6 f5 25.Bf5 Qf6 26.Bd3 Bc7 27.Ng6 Kg8 28.Ne2 h5 29.Ng3 h4 30.Nh5 Qf7 31.Qe1 Bd8 32.g4 hg3 33.hg3 Qe8 34.g4 Nc7 35.Ra8 Ba8 ((time) Ausser Wertung weitergespielt 36.Se5 Lf6 37.Lg6 De7 38.Lf7+ 1–0) 36.Ne5 Bf6 37.Bg6 Qe7 38.Bf7 0–1. Kucharkowski,Jens – Seidler,Dieter, corr 11.DDR–SFM/Finale, 1988.

9.Nf3 b6 10.Bf6 gf6 11.d4 d6 =.

9.Nf3 d6 10.d4 Be7 11.Bc4 b6 12.cb6 Qb6 13.0-0? Qb4 14.Qb3 Qb3 15.Bb3 0-0 16.Nbd2 Na6 17.Bc3 Nc7 18.Ra1 Nb5 19.Bb2 Bb7 20.Nc4 Ra8 21.Ra8 Ba8 22.Nb6 Bb7 23.Na4 c5 24.Bc4 Bc6 25.Nb6 d5 26.Ne5 Be8 27.Bb5 Bb5 28.Ba3 Ne8 29.Bc5= Bd8 30.f3 h5 31.Kf2 g6 32.e4 Bb6 33.Bb6 Kg7 34.Bd8 f6 0–1. Trkn – zweitausend, itsyourturn.com, 2000.

9.Bf6+= gf6 10.Nc3 b6 11.d4 bc5 12.bc5 d6 13.cd6 Bd6 14.g3 (14.Bd3 c5+=) 14...Bb4= 15.Qa1 (15.Nge2 c5 16.Bg2 Qa5=) 15...c5 (15...Bb7 16.f3=+) 16.Bb5 Bd7 17.Bd7 Kd7 18.Nge2 Rc8 (18...cd4!? 19.Qa4 Nc6 20.ed4 Qd6=) 19.0-0= Nc6 (19...cd4 20.Ne4 Bc3 21.N2c3 dc3 22.Rd1 Ke8 23.Nd6 Kf8 24.Nc8 Qc8+–) 20.dc5+/– Bc5 (20...Ke7 21.Rc1+/–) 21.Ne4 Be7 (21...Qe5 22.Nf6 Ke7 23.Qe5 Ne5 24.Nh7 Nf3 25.Kg2+–) 22.Rd1 (22.Nf6!? Bf6 23.Qf6 Ke8+–) 22...Ke8+/– 23.Nf6 Bf6 24.Qf6 Qe5 25.Qe5 Ne5 26.Nd4 Ke7 27.Kg2 h5 28.Rd2 Kf6 29.h3 Rc3 30.Nf3 Nd3 31.g4 hg4+= 32.hg4 e5 33.Kg3 e4 34.Nd4 Rc1 35.Ne2 Rf1 36.Nf4 Ne1 37.Nh3 Ke5 38.Ra2 Nd3 39.Ra5 Ke6 40.Ng5+– Ke7 41.Ne4 (41...Kf8 42.Rd5+–) 1–0. Bedbur,Heinz – Prelcec,Zvonimir, BdF, 1977.

9.Bf6 gf6 10.Qf3 Be7 11.Qg4 b6 12.Qg7 Rf8 13.Qh7 bc5 14.bc5 Bc5 15.Nf3 Qb6 16.Nc3 Ba6 17.h4 Qb2 18.Nd1 Bf1? (better is 18...Qa1 19.Qg7 Bf1 20.Rf1 Na6+=) 19.Nb2+– (19...Bg2 20.Rg1 Bf3 21.Rg3+–; 19.Kf1?! Qa1 20.Qc2 Rh8+=; 19.Rf1?! Qb4+=) 1–0. Trkn – guest3705, ICC, 2004.

8.Ba1 b5 9.d4 Nf6 10.Bd3 Nd5 11.Qd2 Na6 12.Bc3 Qg5 13.f4 Qg4 14.Be4 Qh4 15.g3 Qd8 16.Bg2 Be7 17.e4 Nc3 18.Qc3 0-0 19.Nf3 d5 20.Ne5 Qe8 21.Nd2 f6 22.Nd3 de4 23.Be4 Nc7 24.0-0 Nd5 25.Qb2 Qd7 26.Nb3 Ba6 27.Ra1 Ra8 28.Ra3 Ra7 29.Qa1 Qc8 30.Bd5 ed5 31.Qe1 Bf8 32.Qa1 Ra8 33.Nf2 Bb7 34.Ra8 Ba8 35.f5 g6 36.fg6 hg6 37.Qc1 Bg7 38.Qf4 Qd8 39.Ng4 Qe7 ½–½. Welti – Woelfelschneider, email 4AMM–04 (adj) 1997.

8.Ba1 d6 9.d4 Nf6 10.Nc3 Be7 (10...b6 11.cb6 d5 12.b5=) 11.Nf3 (11.e4 Nfd7=) 11...b6 12.cb6 Qb6 13.b5 0-0 14.Bd3 Bb7 15.0-0 cb5 16.Bb5 (16.Nb5 Na6=) 16...Rc8 17.Be2 d5 (17...Bf3 18.Bf3 d5 19.Qd3=) 18.Qd2 (18.Qa4 Nc6=) 18...h6 (18...Ba6 19.Rb1 Qa5 20.Nb5 Qd2 21.Nd2=+) 19.Rb1= Qa7 (19...Qc7 20.Nb5 Qd8 21.Qe1=) 20.Nb5 (20.Ne5 Nc6=) 20...Qa8 21.Nc3 Nbd7 22.Bd1 (22.Bb2 Bb4 23.Ra1 Qb8=) 22...Ba6 23.Bc2 Qc6 24.Ba4 Qc7 25.Nb5 Qc4 26.Nc3 Bb4 27.Bb3 Qc7 28.Qa2 Nb8 29.Ne2 Ne4 30.Nf4 Bd6 31.Ne6 fe6 32.Bd5 ed5 33.Qd5 Kh8 34.Qe4 Qc1 35.Ne1–/+ Qc4 36.Nf3=+ Nd7 37.Qf5 Nf6 38.Re1 Bb7 0–1. Kern,Guido (2410) – Beutel, Hessen clubgame, 1997.

8.Ba1 Nf6 9.Nf3 Nd5 (9...b6 10.d4=) 10.Qb3 b6 11.d4 Na6 12.Bc3 Be7 13.Bd3 Bb7 (13...0-0 14.0-0=) 14.Nbd2 (14.0-0 0-0+=) 14...0-0 (14...Nc3 15.Qc3 bc5 16.bc5+/–) 15.0-0 Qc7 16.Nc4 b5 Black fights for the Initiative 17.Nce5?? (17.Na5!?+=) 17...d6 (better is 17...f6–+) 18.cd6=+ Bd6 19.Bd2 Ndb4=+ 20.Bh7?? Kh7–+ 21.Ng5 Kg8?? 22.e4?? Be5–+ 23.de5 Qe5 24.Qh3 Rc8 25.Qh7 Kf8 26.Qh5 Qc7 27.Qh8 Ke7 28.Qg7 Rf8 29.Nh7 Ra8 30.Bg5 Kd7 31.Rd1 (31...Nd5 32.Nf6 (32.ed5 cd5 33.Qf7 Kc6 34.Rc1 Kb6 35.Be3 Nc5 36.Bc5 Qc5 37.Qb7 Kb7–+) 32...Kc8 33.ed5 ed5 34.Bf4 Qf4 35.Qf8 Kc7 36.Qf7 Kd6 37.Re1 (37.Qb7 Nc7 38.Nh5 Qa4–/+) 37...Qf6 38.Qf6 Kc5 39.Rc1 Kb6 40.h4+–) 1–0. Ranby,Hans – Mantu,E, corr SOK–92–85, 1992.

5.c5 Qd8 6.Nf3 =.

6.Nc3 e5 7.e3 d5 8.d4 e4 9.Na4 Nbd7 10.Ne2 (10.b5 Be7=) 10...g6 (10...ab4 11.ab4 Be7 12.Nf4+=) 11.Nf4 Bg7 (11...ab4 12.ab4 b5 13.Nc3 Ra1 14.Qa1=) 12.Be2 0-0 13.h4 (13.b5 g5 14.Nh3 cb5 15.Bb5 h6=) 13...b5 14.Nc3 Re8 15.g4 Nf8 16.g5 N6d7 17.Kd2 Ne6 18.Ne6 fe6 19.Bg4 (19.h5 ab4 20.ab4 Ra1 21.Qa1 e5+=) 19...Nf8 (19...e5!? 20.Bd7 Bd7–/+) 20.Ne2 e5 21.Bc8 Qc8 22.Qg1 Ra7 (22...ab4 23.ab4 Ra1 24.Ba1+=) 23.Qg3 (23.h5 Qd8=) 23...Qf5 (23...ed4 24.Nd4 Be5 25.Qg2–/+) 24.de5 Qd7 (24...Nd7 25.Nd4 Qe5 26.Ke2+=) 25.Kc2 (25.h5 Qc7=) 25...Rea8 26.Nd4 Qc7 27.Qg4 (27.f4 ef3 28.Nf3 Ne6=) 27...Qe5 28.Qg3 Qg3 29.fg3 Bd4 30.Bd4 ab4 31.ab4 Ra1 32.Ra1 Ra1 33.Ba1 Kf7 34.Be5 Ke6 35.Bc7 Kf5 36.Kd2 Nd7 37.Kc3 Nf8 38.Bd6 Ne6–+ 39.Kd2 d4 40.ed4 Nd4 41.Bf4 Ke6 42.Be3 Nf5 43.Bf2 Kd5 44.Kc3 e3 45.Be1 Ke4 46.Kc2 Ne7 47.Kc3 Nd5 48.Kc2 Kd4 0–1. Fournier,Frederic (1885) – Ababsa,Tufek (1740), Open Cappelle la Grande FRA, 2009.

6.e3 ab4 7.ab4 Ra1 8.Ba1 (--> 1.b4 c6 2.Bb2 Qb6 3.a3 a5 4.c4 ab4 5.c5 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.e3).

6.e3 b6 7.cb6 Qb6 8.Qb3 d5 9.Nf3 e6 10.b5 cb5 11.Bb5 Bd7 12.a4 Bb5 13.ab5 Bc5 (13...Nbd7 14.Bf6 Nf6 15.0-0=) 14.Nc3 (better 14.Bf6 gf6 15.0-0+=) 14...0-0?? (better 14...Bb4=) 15.Na4+– Qd6 16.Nc5 Qc5 17.Ba3 Qb6 18.Bf8 Kf8 19.0-0 Nbd7 20.Rfc1 Nc5?? (better 20...Kg8+–) 21.Qa3 (21.Qa3 Nfe4 22.d3+–) 1–0. BeepBeepImAJeep (2675) – featherbed (2305), lichess.org, 2016.

6.e3 d5 7.Nf3 Bf5 8.Be2 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 h5 12.Nc3 White prepares the advance b5 (12.h3 ab4 13.ab4 Ra1 14.Ba1 Be7=) 12...Ng4 The mate threat is Qxh2 13.Bg4 (better 13.g3!?=) 13...hg4–/+ (13...Bg4?! 14.f3 ef3 15.Nf3=) 14.g3 Be7 15.Re1 f6 (15...ab4 16.ab4 Ra1 17.Qa1=+) 16.b5 Kf7 (16...b6 17.cb6 Nb6 18.Qe2=+) 17.b6 Qc8 18.Ne2 Rh5 19.Nf4 Rh6 20.Bc3 g5 21.Ne2 Qh8 (21...Rh2 22.Kh2 Qh8 23.Kg1 Qh3–+) 22.Nf1=+ Qh7 23.Nc1 Rh8 The pressure on the backward pawn h2 grows (better 23...Ke8=+) 24.Nd2?? (better 24.Nb3=) 24...Rh2 25.Kf1 Rf2! 26.Kf2 Decoy to f2 26...Qh2 The nicest combinations are those leading to mate 27.Kf1 Qg3 (27...Qg3 28.Ne4 Rh1 29.Ke2 Rh2 30.Kd3 Be4; 27...Qh1 28.Ke2 Qg2) 0–1. BeepBeepImAJeep (2720) – Indignity (2425), lichess.org, 2016.

6.e3 d5 7.Nf3 Bg4 8.Be2 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 h5 12.h3 Bf5 (12...Be2 13.Qe2 b6 14.Nc3=) 13.Nc3 White prepares b5 13...Be7 14.f4 (14.b5 b6+=) 14...ef3 (14...b6 15.cb6 Qb6 16.b5=) 15.Nf3 (15.Rf3 ab4 16.ab4 Ra1 17.Qa1 Bg6+=) 15...Be4 (15...Bh3 16.gh3 Qg3 17.Kh1 Qh3 18.Kg1 Rh6–/+) 16.b5+= Ng4 (16...0-0 17.Qe1+=) 17.b6 Qb8 18.Ne4 (18.hg4 hg4 19.Ne4 gf3 20.Bf3 Qh2 21.Kf2 de4 22.Be4 Qh4 23.Kf3 Nf6=) 18...de4 (18...Ne3 19.Qd3 Nf1 20.Rf1 de4 21.Qe4=+) 19.Ne5 Nde5 (19...Ne3 20.Qb3 Nf1 21.Qf7 Kd8 22.Rf1 Rf8 23.Qg7 Rf1 24.Kf1 e3+–) 20.de5?? (better 20.hg4 Ng4 21.Bg4 hg4 22.Qg4 Qh2 23.Kf2 Qh4 24.Qh4 Bh4 25.Ke2=) 20...Ne3–+ (20...Bc5 21.Bg4 (21.hg4?! Be3 22.Kh2 hg4 23.Kg3 Qd8 24.Qd8 Rd8+–) 21...hg4 22.e6 fe6 23.Qg4 Be3 24.Kh1+–; 20...Ne5 21.Rf5 Nd3 22.Bd3 ed3 23.Bg7+–) 21.Qb3 Nf1 22.Rf1 Threatening mate... how? 22...0-0 23.Bh5 Now all is on f7 23...Qe8 (23...Bc5 24.Kh1 Qd8 25.Bf7 Kh8 26.Rf5 Rf7 A) worse 27.Rf7 A1) 27...Bb6 28.e6 a4 29.Qc2+– (worse 29.Bg7 Kg8 30.Qb1 Bc5+–); A2) worse 27...Qb6 28.Qb6 Bb6 29.e6+=; A3) 27...Qd2 28.Kh2 Be3=+; B) 27.Qf7 Qd1 28.Kh2 Qg1 29.Kg3 Qe1 30.Kg4 Qe2 31.Kh4 g5 32.Rg5 Qf2 33.Qf2 Bf2 34.Kh5+–) 24.e6 (better 24.Bd4 a4 25.Qc4=) 24...Bf6?? (better 24...Bc5 25.Kh1 Qe6=+) 25.ef7 (better 25.Rf6 gf6 26.Qg3 Kh7+–) 25...Rf7 26.Bf6 (26.Qf7?! Qf7 27.Bf7 Kf7+=) 26...gf6 (26...a4 27.Qc4 gf6 28.Rf6+– (28.Qf7?! Qf7 29.Bf7 Kf7+=; 28.Bf7?! Qf7 29.Qe4 Kg7+–)) 27.Rf6 (27.Rf6 Kh8 28.Bf7+–; 27.Qf7?! Qf7 28.Bf7 Kf7+=; 27.Bf7?! Qf7 28.Qg3 Qg7+–) 1–0. BeepBeepImAJeep (2710) – Indignity (2435), lichess.org, 2016.

6.e3 d6 7.cd6 ed6 (7...Qd6 8.b5=) 8.Nf3 (8.Bf6!? gf6 9.b5+=) 8...ab4= 9.ab4 Ra1 10.Ba1 Be7 11.Bc4 0-0 12.Qb3 (better 12.0-0=) 12...Be6?? (better 12...Bg4=+) 13.Be6+/- fe6 14.Qe6 (14.Ng5 Bd8+/-) 14...Kh8 15.Ng5 Bd8 (15...h6 16.Nh3+/-) 16.0-0 (16.Qh3 Qd7+/-) 16...h6 17.Nf3 Qd7 18.Qb3 d5 19.Nh4 (19.b5 c5+/-) 19...Qf7 (19...Qg4!? 20.Bf6 Rf6+=) 20.Qc2 Re8 21.Ng6 Kg8 22.Nf4 Nbd7 23.Nc3 Bc7 24.Nce2 Bf4 (24...Bd6 25.Bc3+=) 25.Nf4+/- Ne4 26.d3 Nef6 (26...Nd6 27.Bb2+/-) 27.Rc1 (27.b5 Rc8+-) 27...Ne5 28.Be5 Re5 29.b5! g5 (29...cb5 30.Qb2 Double attack (30.Qb2 Decoy)) 30.Ne2 (30.bc6 Re8 31.Ne2 Ng4+-) 30...Ng4 (30...cb5 31.Nd4 Re8+-) 31.Nd4 Re7 32.bc6 bc6 33.Qc6?? (better 33.Nc6 Rc7 34.Qb2+-) 33...Qf2= 34.Kh1 Ne3?? (34...Kh7 35.Qd5 Ne3=) 35.Qg6+- Rg7 36.Qe6 (36.Qe6 Kh7 37.Rg1-/+). ClayPigeons (2090) - Psix_analitik (2065), Rated Bullet game, lichess.org, 2019.

6.e3 d6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 ab4 10.ab4 Ra1 11.Ba1 e5 12.Bc4 1–0. Pcmvr – BlackPanther, playchess.de, 2004.

6.e3 g6 7.Nf3 Bg7 8.Be2 0-0 9.0-0 d6 10.d4 b5 11.ba5 dc5 12.dc5 Ra5 13.Nbd2 Ra4 14.Qc1 Be6 15.Bd1 Ra7 16.a4 b4 17.Bb3 Bd5 18.Re1 Nbd7 19.e4 Bb3 20.Nb3 Ng4 21.Bg7 Kg7 22.h3 Nge5 23.Ne5 Ne5 24.Qd2 Kg8 25.Red1 Rb8 26.Qd4 g5 27.Qe3 h6 28.Rd4 Kh7 29.Qd2 g4 30.hg4 Ng4 31.g3 Rg8 32.Kg2 Qe5 33.Rb4 Raa8 34.Rh1 Rad8 35.Rd4 Rb8 36.f4 Qg7 37.Rd3 Nf6 38.e5 Ne4 39.Qe1 Ng3 40.Rg3 Qg3 41.Qg3 Rg3 42.Kg3 Rb3 43.Kg4 Kg7 (Better is 43...Kg6!?=) ½–½. Rebber,Christian (2155) – Armbruster,Alexander (2210), Sportland NRW–Cup, 2000.

6.Nf3 d6 7.cd6 Qd6 8.Be5 =.

6.Nf3 e6 7.e3 (7.Bf6 gf6 8.Nc3 d6+=) 7...d6 8.d4 (8.Bf6 gf6 9.cd6 Bd6=) 8...Nbd7 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Bd3 Be7 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.0-0 (10.Nc3 ab4 11.ab4 Ra1 12.Ba1 b6=) 10...0-0 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.Qc2 h6 (11...ab4 12.ab4 Ra1 13.Ba1+=) 12.Nbd2 (12.e4 e5+=) 12...ab4 13.ab4 Ra1 14.Ra1 e5 (14...b6 15.Nb3+=) 15.de5+/- Ne5 (15...de5 16.Nc4 Nd5 17.Qd2+/- (< 17.Be5 Ne5 18.Nfe5 Nb4 19.Bh7 Kh8=+)) 16.Ne5 de5 17.Nf3 Nd7 18.Bf5 (18.Bh7 Kh8+/-) 18...Bf6 19.Qe4 g6 (19...Re8 20.Ra7+/-) 20.Bh3 (20.Bd7 Bd7 21.Ne5 Be6+-) 20...Re8 21.Nd2 b5 22.Nb3 Nf8 23.Bc8 Rc8 24.Na5 Ne6 25.f4 Bg7 26.fe5 Ng5 27.Qf4 Qd7 28.Bd4 Qd5 29.Rf1 Rc7 30.h4 Ne6 31.Qf2 Kh7 32.h5 Be5 33.hg6 fg6 34.Be5 Qe5= 35.Rd1 Qe4 36.Qd2 Rf7 37.Rf1 Rg7 38.Nb3 Re7 39.Nd4 Nd4 40.ed4 Kg7 41.Rf4 Qe1=+ 42.Qe1 Re1 43.Rf1 Rf1 44.Kf1-/+ Kf7 45.d5 cd5 46.Kf2 Ke6 47.Ke3 Ke5 48.g3 h5 49.Ke2 g5 50.Kd3 h4 51.Ke2 (51.gh4 gh4 52.Ke2 h3-+) 0-1. Metschan,Helmuth (1845) - Rettler,Heinz (1800), 9sen.WttgEM/Ellwangen, 1997.

5.a4 d6 6.d4 Nf6 7.Bd3 e5 (7...Qa5=+) 8.Ne2? (better 8.de5 de5 9.Be5=) 8...e4–+ 9.Bc4 Be7 (9...d5 10.Bb3–+) 10.c3 (10.d5 0-0–/+) 10...d5 11.Bb3 bc3 12.Nbc3 0-0 13.0-0 Be6 14.Nf4 Nbd7 15.Ne6 fe6 16.h3 Bb4 17.Na2 (17.Rb1 Bd6–+) 17...Bd6 18.Nc3 Kh8 19.Ra2 c5 (19...Qc7 20.Qc2–+) 20.Nb5 (20.dc5 Nc5 21.Nb5 Be7–/+) 20…c4 1–0. Manawydan – Ultima.X, ChessWorld.net, 2020.

5.ab4 Ra1 6.Ba1 Qb4 7.c4 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c4 Qb4 7.e3).

5.ab4 Ra1 6.Ba1 Nf6 7.c3 (7.b5 d6=) 7...e6 8.Nf3 d5 9.d4 Qd8 10.Bd3 Be7 11.Nbd2 0-0 12.Qc2 b6 13.0-0 h6 14.e4 de4 15.Ne4 Ne4 16.Be4 Nd7 (16...Bb7 17.Ne5+=) 17.Bb2 (17.Bc6!? Qc7 18.Qa4+/-) 17...Qc7 18.Bc1 Nf6 19.Bd3 Nd5 20.Bh6?? (better 20.Be3=) 20...gh6-+ 21.Ne5 c5 22.bc5 bc5 23.Bh7 Kg7 24.Qe4? (24.Nf7 Nf4 25.Ne5-+) 24...Nf6 (24...Bd6 25.Bf5 Nf6 26.Qe3 ef5 27.f4-+) 25.Qf3 (25.Qc6 Qa5 26.Bd3 Qc3-+) 25...Nh7 26.Qg3 Kh8 (better 26...Ng5 27.h4 f6 28.hg5 hg5-+) 27.Ng6! fg6 28.Qc7 Ba6 (28...Bf6 29.Qc5 Bb7 30.Ra1+-) 29.Qe7 Bf1 30.Kf1 Ng5 (30...cd4 31.c4 d3+-) 31.Qf8 Kh7 32.Qc5 (32.Qc5 Kg8 33.Qe7+-) 1-0. Jimito100 (1950) - AntoAnto (2115), Hourly Bullet Arena, lichess.org, 2020.

5.ab4 Ra2?? 6.Bd4 (6.Ra2 Qb4 7.Nf3 Na6+-) 6...Ra1?? (better 6...Qd4 7.Ra2 Qb4+-) 7.Bb6+- (7.Ba1 Qb4 8.Bc3 Qb6=+) 7...Ra6 (7...d6 8.Bd4 Ra4 9.c4 Rb4 10.Nc3+-) 8.Bd4 (better 8.Ba6 Na6 9.b5 cb5+-) 8...b5 9.Bb2 (9.c4 bc4 10.Bc4 Ra8+-) 9...d6 10.c4 Be6 (10...bc4 11.Bc4 Rb6 12.b5+-) 11.cb5 cb5 (11...Ra7 12.bc6 Nc6 13.b5+-) 12.Bb5 (12.Bb5 Bd7 13.Ba6 Na6 14.Qf3+-) 1-0. Jimito100 (1960) - sofiko_tereladze (2070), Hourly Bullet Arena, lichess.org, 2020.

5.Nc3?? bc3–+ 6.Bc3 d5 7.Nf3 Nd7 8.Bd3 (8.Be2 Qc7–+) 8...Qc7 9.0-0 e5 10.Bf5 Bd6 11.Qe1 (11.a4 Ne7 12.Nh4 g5 13.Bd7 Bd7–+ (13...Kd7?! 14.Qg4 Ke8 15.Qg5–+)) 11...Ne7 (11...Ra3?! 12.Bd7 Qd7 13.Ra3 Ba3 14.Ne5–+; 11...Ba3 12.Bd7 Qd7 13.Ne5–+) 12.Bd7 Bd7 (12...Qd7?! 13.Be5 Be5 14.Ne5–+) 13.d3 e4 (13...0-0 14.e4–+) 14.de4 de4 (15.Ng5 Ra4 16.Bg7 Rg8–+) 0–1. Valica,Slavo – Hasek,Frantisek, TT–16 ETC, 2005.

5.Bc4 d5 6.Bb3 Bf5 7.Bd4 Qc7 8.ab4 Ra1 9.Ba1 Qb6 10.Nf3 Qb4 11.Bc3 Qb6 12.0-0 Nf6 13.d3 Nbd7 14.Nbd2 e6 15.Qa1 Bd6 16.Qa8 Bb8 17.Ba5 Qa7 18.Qa7 Ba7 19.Bc7 Bb8 20.Bb8 Nb8 21.Ra1 Na6 22.Nd4 Kd7 23.Nf5 ef5 24.Nf3 Nc5 25.Ra7 Rb8 26.Ba2 Na6 27.c4 Kc7 28.c5 Nc5 29.Ra3 Ncd7 30.Ng5 h6 31.Nf3 Nb6 32.Nd4 g6 33.f3 Ra8 34.Ra8 Na8 35.e4 fe4 36.de4 Kd6 37.ed5 Nd5 38.f4 Nac7 39.f5 c5 40.fg6 fg6 41.Nf3 b5 42.Nh4 c4 43.Ng6 Nc3 44.Bc4 bc4 45.Nf4 N7d5 46.Nh3 Ne4 0–1. Schubert,Wolfgang – Hacker,Christian, Spenge, 1986.

5.Nf3 ba3 6.Ra2 =+.

5.Nf3 ba3 6.Ba3 Nf6?? (6...Na6 7.d4=+) 7.Nc3?? (better 7.Bc5! Qc5 8.Ra8+–) 7...e6 (7...d5 8.Be2=+) 8.Bc5 (8.Bf8!? Ra1 9.Qa1 Rf8 10.d4=+) 8...Ra1–/+ 9.Bb6 Rd1 10.Kd1 Bb4 11.Na2 Be7 12.Bd3 d6 13.Ke2 e5 14.Rb1? (14.Nc3 Nbd7 15.Bc7 Nc5–+) 14...0-0?? (better 14...e4!? 15.Be4 Ne4 16.c4–+) 15.Bc7 (15.e4 Nbd7–/+) 15...Nbd7 (better 15...e4 16.Bb8 ef3 (16...ed3?! 17.cd3 Be6 18.Rb7 Ba2 19.Nd4–/+) 17.gf3 Be6 18.Rb7 Ba2–+) 16.Nb4? (16.Bf5 Nc5 17.Bc8 Rc8–/+) 16...Nc5?? Black prepares the advance e4 (better 16...e4–+) 17.Bc4–/+ d5 18.Ba2 e4 19.Nd4 Re8 20.f3 (20.Bg3 Bd7–/+) 20...ef3 21.gf3 Ne6 22.Ne6 fe6 (22...Be6 23.Rb2–/+) 23.Nd3 Bf8 (23...b5 24.Ra1–/+) 24.Rg1 (24.Ne5 c5=) 24...Nd7 (24...b5 25.Ne5–/+) 25.Be5 (25.Ne5 Ne5 26.Be5 b6=+) 25...Ne5 26.Ne5 g6 27.Nd3 (27.d4 Bd6=+) 27...Bg7 28.Nc5 (28.f4 b5–/+) 28...Kf7 (28...b6 29.Na4 b5 30.Nc5–+) 29.d4 (29.c4 b6 30.Na4 Ba6–/+) 29...Bf6 (better 29...e5!? 30.Rb1 ed4–+) 30.f4 Kg7 31.c4 b6 32.Nd3 c5 (32...Ba6!? 33.Rc1 Ra8–/+) 33.dc5= bc5 34.Nc5 (worse 34.cd5 ed5 35.Bd5 Re3 36.Ke3 Bd4 37.Kf3 Bg1–+) 34...dc4 35.Bc4 e5 36.fe5 (36.Bb5 Re7 37.Nd3 ef4 38.Nf4 Be5=+) 36...Re5 (better 36...Be5!? 37.Rf1 Bh2 38.Rf7 Kh6–/+) 37.Nd3= Re7 38.Bd5 Bf5 39.Nf4 Be5 40.Nh5 Kh6 (40...Kf8 41.Ng3 Rd7 42.Nf5 Rd5 43.Ng3=+) 41.Ng3= Bg4 42.Bf3 (42.Kd3 Bc8=) 42...Bd7 43.Ne4 Bb5 (43...Bh2? 44.Rh1+–) 44.Kf2 Kg7 (44...Bh2? 45.Rh1+–) 45.h4 Bf6 (better 45...Bd3=) 46.Ng3 (46.Nf6 Kf6 47.Bd5 h6=) 46...Bd7 (better 46...Bh4 47.Bd5 Kf6–/+) 47.Nh5= Kf7 48.Nf6 Kf6 49.Rg5 h6 50.Ra5 Re5 51.Ra6 Re6 52.Ra5 Re5 53.Ra7 Re6?? (better 53...Bf5=) 54.Rd7+– g5 55.Rd4 Re5 (55...Ra6 56.hg5 hg5 57.Kg3+–) 56.hg5 hg5 57.Bg4 Rf5 (57...Rc5+–) 58.Bf5 Kf5 59.Kf3 Ke5 60.Rg4 Kf5 61.e4 Ke5 (61...Kf6 62.Rg2+–) 62.Rg5 Kf6 63.Rf5 (63.Kf4 Ke6+–) 63...Ke6 64.Kf4 (64.Kf4 Kd7 65.Rd5 Ke6 66.Rd3 Kf6 67.e5 Kf7 68.Kf5 Kg7 69.e6 Kf8 70.Rd8 Ke7 71.Rd7 Ke8 72.Kf6 Kf8 73.Rd8) 1–0. TwelveTeen (2635) – ChrolloL (2665), time forfeit, lichess.org, 2018.

5.Nf3 d5 6.Bd4 c5 (6...Qd8 7.ab4 Ra1 8.Ba1 f6=) 7.Bb2 (better 7.Bc5 Qg6 8.Ne5+–) 7...Nf6 8.d4 (8.ab4 Ra1 (8...Qb4?? 9.Ra8 Qb2 10.Rb8+–) 9.Ba1 Qb4 10.Bf6 ef6=+) 8...c4–/+ 9.ab4 Ra1 10.Ba1 Qb4 11.Bc3 (11.c3 Qa5 12.Nbd2 Bg4–/+) 11...Qb6 (11...Qa4!? 12.Nh4–+) 12.Nbd2–/+ Nc6 (12...Bf5 13.Nh4 Bd7 14.Nhf3–/+) 13.Ne5 (13.e4 Bg4 14.Be2 e6–/+) 13...e6 14.e4 (14.Be2 Be7–/+) 14...Bb4 (14...Ne5!? 15.de5 Bc5 16.Bc4 Bf2 17.Kf1 Ne4 18.Ne4 de4 19.Qd6–+) 15.Bb4–/+ Qb4 16.Nc6 bc6 17.e5 Ne4 18.Be2 0-0 19.0-0 0–1. TwelveTeen (2675) – BabaRamdev (2860), lichess.org, 2018.

5.Nf3 d5 6.Be2 ba3 (6...Na6 7.ab4 Qb4 8.Be5=+) 7.Ba3 e6 (better is 7...Na6=+) 8.Bc5!+/– Bc5 (8...Qc5 9.Ra8) 9.Ra8 Bd6 10.d4 (10.c4 Nf6+/–) 10...Nf6 11.0-0 (11.Nbd2 c5+/–) 11...Qc7 (11...0-0 12.Nbd2+/–) 12.Nbd2 (12.c4 dc4 13.Bc4 b5+=) 12...b5 13.Qa1 0-0 14.Ne5 (14.Rb1 Bb7 15.Ra7 Qb6+–) 14...Nbd7 15.Ra7 (15.Ndf3 Bb7 16.Ra7 Ne4+/–) 15...Bb7 (15...Qb6 16.Nd7 Nd7 17.Rb1+=) 16.Ndf3+/– Ne4 17.Qa5 (17.Nd7 Qd7 18.Ne5 Qc8+/–) 17...Nb6 (17...Qa5 18.Ra5 Ne5 19.Ne5+=) 18.Nd7 (18...Qd7 19.Qb6+=; 18.Bd3 Ra8 19.Ra8 Na8 20.Qc7 Bc7 21.Be4 de4+–) 1–0. PeterRs – RageofKlugman, ChessWorld.net, 2006.

5.Nf3 d6 6.Be2 (6.ab4 Ra1 7.Ba1 Qb4=+) 6...e5 (6...Nf6 7.d3=) 7.0-0 Nf6 8.c4 (better 8.d3=) 8...bc3!-/+ 9.Bc3 (9.Nc3 Qb2 Discovered attack; 9.Bc3 Be7 Combination; 9.dc3 Qb2 Discovered attack) 9...Be7 10.a4 0-0 11.a5 Qc7 12.Na3 (12.Qc2 Na6-/+) 12...Nbd7 (12...Bf5!? 13.Nc4-/+) 13.Nc4 Re8 14.Qc2 Bf8 (14...Ra7 15.h3-/+) 15.Nb6 Nb6 16.ab6 Qb8 17.d4 (17.Ra8 Qa8 18.h3 Bd7=+) 17...e4 18.Nd2 Ra1 19.Ra1 d5 20.h3 h6 21.Nb3 (21.Qb2 Qd6=+) 21...Nh7 (21...Nd7!?-/+) 22.Nc5 Qd6 23.Bd2 (23.Ra7 Qg6 24.h4 Bc5 25.dc5 Nf6=) 23...Qg6 24.f4? (24.h4 Nf6=+) 24...ef3 (better 24...Bh3!? 25.Bf1 Rb8-+) 25.Qg6=+ fg6 26.Bf3 Ng5 27.Kh2 (better 27.Ra7!? Bc5 28.dc5 Nf3 29.gf3=+) 27...Bd6-/+ 28.Kg1 Nf3 29.gf3 Bc5 30.dc5 Bh3 31.Ra7 Re7 32.Kf2 Kh7 33.Bc3 Bf5 34.f4 Bd3 (better 34...g5!?-+) 35.Be5 (35.Ra8 g5=+) 35...Ba6=+ 36.Bc7 Re8 37.Be5 (37.Ra6 ba6 38.b7 a5-/+) 37...g5 38.Kf3 Kg6 39.Ra6 (better 39.e4!? g4 40.Ke3 de4 41.Ke4-+) 39...ba6-+ 40.b7 a5 (40...Kf5 41.b8Q Rb8 42.Bb8 gf4 43.ef4-+) 41.b8Q Rb8 42.Bb8 a4 (42...Kf5 43.fg5 h5 44.Ke2-+) 43.Be5? (43.fg5 Kg5 44.e4 de4 45.Ke4-+) 43...Kf5-+ 44.Bg7 g4 (44...gf4 45.Bd4 fe3 46.Be3 h5-+) 45.Ke2 h5 46.Kf2 Ke4 47.Kg3 Kf5 (47...Ke3?? 48.f5 a3 49.f6+-) 48.Kh4 Kg6 49.Bd4 Kf5 50.Kh5?? (better 50.Bg7=) 50...g3-+ 51.Be5 g2 52.e4 Ke4 53.f5 Kf5 (53...Ke5 54.Kg6 a3 55.f6 g1Q 56.Kf7 a2 57.Ke7 a1Q 58.f7 Qc5 59.Kd7 Qa8 60.f8Q Qca7) 54.Bh2 (54.Bd4 a3 55.Kh4 a2 56.Kg3 a1Q 57.Kg2 Qd4 58.Kg3 Qb2 59.Kf3 d4 60.Kg3 Qe2 61.Kh3 Kf4 62.Kh4 Qg4) 54...a3 55.Bg1 (55.Bg3 g1Q 56.Kh6 Qg3 57.Kh7 Kf6 58.Kh6 Qg6) 55...a2 56.Kh4 Ke4 (56...a1Q 57.Be3 Qe1 58.Kh3 g1Q 59.Bg1 Qg1 60.Kh4 Qg4) 57.Kh3 (57.Kg5 a1Q 58.Bd4 Qd4 59.Kg6 g1Q 60.Kf7 Qe5 61.Kf8 Qgg7) 57...a1Q 58.Kh2 (58.Kg2 Qg7 59.Kf2 Qf6 60.Kg3 Qf3 61.Kh2 Qf1 62.Be3 Kf3 63.Bd4 Qg2) 58...Qf1 (58...Kf3 59.Bd4 Qh1) 59.Bd4 (59.Kh3 Qg1 60.Kg4 Qe3 61.Kh5 g1Q 62.Kh4 Qgg5) 59...Kd4 (59...Kf3 60.Bg1 Qe1 61.Bd4 Qh1) 60.Kg3 (60.Kh3 Qf2 61.Kg4 g1Q 62.Kh5 Qfh2) 60…Kc5 (60...Kc5 61.Kg4 g1Q 62.Kh4 d4 63.Kh5 Qh3; 60...g1Q 61.Kh4 Kc5 62.Kh5 Qh3) 0-1. banjoband (2100) - Philidor1792 (2020), Rated Blitz game, lichess.org, 2015.

5.Nf3 e6 6.Bd3 (6.Bd4 c5 7.ab4 Ra1 8.Ba1 Qb4=) 6...ba3 7.Ba3 (7.Ra2 d5=+) 7...Ba3 8.Ra3 (8.Na3? Qb2–+) 8...Ra3 9.Na3 d5 10.0-0 Nf6 11.Qa1 Nbd7 (11...0-0 12.Rb1 Qc5 13.Be2=+) 12.c4 (12.Be2 0-0=+) 12...0-0 (12...Qc7 13.Bc2=+) 13.Bc2 Qa6 14.Qc3 Nc5 (14...e5 15.Ra1=+) 15.cd5 (15.Qb4 b6=+) 15...Nce4 16.Qb4 c5 (16...cd5 17.d3 Qd6 18.Qb2=+) 17.Qb2 ed5 18.Nb1 (18.d3 Nd6=+) 18...Be6 (18...Bg4 19.Ne5 b5 20.f3 Bf3 21.gf3+/–) 19.d3 Nd6 20.Nbd2 b5 (20...Ra8 21.Rb1–/+) 21.Qe5 (21.d4 c4–/+) 21...b4 22.Ra1 Qb6 23.Ng5 (23.Nb3 c4 24.dc4 dc4–/+) 23...Bf5 24.Qf4 c4–+ (25.e4 cd3 26.Bd3 Nfe4=+) 0–1. Pegiel,Marek – Blaszczak,Jan, corr 2. AMM Poland, 1994.

5.Nf3 Nf6 6.c3 ba3 (6...bc3 7.Bc3 d5 8.Be2–/+) 7.Ba3=+ d6?? (7...Ra7 8.d4=+) 8.d4?? (better is 8.Bc5! dc5 9.Ra8+/–) 8...Na6 9.Bd3 Bg4 10.Nbd2 g6 (10...e6 11.h3 Bh5 12.e4=+) 11.0-0 Bg7 12.h3 Bd7 13.Nc4 Qc7 14.Bb4 0-0 15.Ba5 Qc8?? 16.Nb6+– Qe8 17.Na8 Qa8 18.Qe2 b5+/– 19.c4 Ne8 20.Ra2 c5?? 21.cb5 Nb4 22.Bb4 cd4 23.Ra8 1–0. wlittle (2155) – rbeckett (2195), net–chess.com, 2004.

5.Qg4 ba3!? 6.Ba3 Na6 –/+.

5.Qg4 Nf6 6.Qb4= Qb4 (6...Qd8 7.Nf3=) 7.ab4 Ra1 8.Ba1 d5 9.c4 (9.Nf3 Bf5 10.d3 e6 11.Bf6 gf6=) 9...Bf5=+ 10.Nc3 (10.Na3 dc4 11.Nc4 b5–/+) 10...Na6 (10...dc4 11.Bc4 b5 12.Be2=+) 11.b5 Nb4 12.Bb2 Bd3 13.f3 (13.cd5 Nc2 14.Kd1 Bf1 15.Nge2 Be2 16.Ne2–+) 13...dc4–+ 14.Nh3 (14.bc6 Nc6 15.Bd3 cd3–/+) 14...e6 (14...Bf1 15.Kf1 e5 16.bc6 Nc6 17.Ke2–+) 15.bc6 bc6 (15...Nc6 16.Bd3 cd3 17.Nf2–/+) 16.Nf4 (16.Be2 Bd6–/+) 16...Bf1–+ 17.Kf1 Bd6 (17...e5 18.Nh3 Nd3 19.Ba1–+) 18.Nfe2 (18.Ne4 Ne4 19.fe4 e5–+) 18...Nd3–+ 19.Ba1 (19.Na4 e5–+ (19...Nb2?! 20.Nb2 c3 21.Nc3=+)) 19...0-0 (19...Kd7 20.Ng3–+) 20.Nd4 (20.Ng3 Ra8 21.Ke2 Bg3 22.hg3 e5–+) 20...Ra8 21.Nc2?? (better is 21.Ke2–+) 21…Nb4 (22.Nd1 Nc2 23.Bf6 gf6–+) 0–1. Havranke,Stefan – De San Jose Candalija,Eduardo, Wch IBCA U18 3rd, 2003.

6.Bb2 ba3 7.Ra3 Ra3-/+ 8.Ba3 d6 9.Nf3 Nf6 10.Be2 e5 11.0-0 Be7 12.c4 Be6 13.Nc3 0-0 14.Qc2 Nc6 15.Rb1 Qc7 16.Nb5 (16.Ng5 Qd7=+) 16...Qd8 (16...Qd7 17.Ng5-/+) 17.Bb2 Nd7 18.d4 cd4 19.ed4 ed4 20.Nfd4 Nd4 21.Nd4 Nf6 (21...Qc7 22.Re1=) 22.Ne6 fe6 23.Bd3 h6 24.Bf6 (24.Bd4 Qd7=) 24...Bf6 25.Rb7 Qc8 26.Rb1 Qc5 27.h3 (27.Rb5 Qd4=) 27...Rc8 (27...Bd4 28.Rf1=+) 28.Rc1 d5 (28...Be5 29.Rb1=) 29.Bh7 (29.Qe2 Rc6=) 29...Kh8 30.Qg6? (better 30.cd5!? Qc2 31.Rc2 (31.Bc2? ed5 32.Rd1 Rc2-+) 31...Rc2 32.Bc2 ed5 33.Kf1=) 30...dc4 (30...Bd4 31.Qc2 Bf2 32.Qf2 Kh7 33.Re1 dc4 34.Re6-+) 31.Re1 (31.Qc2 Bd4 32.Be4 c3-/+) 31...c3 (better 31...Rf8 32.Re6 Bh4-+) 32.Re6? (better 32.Qc2-/+) 32...c2-+ 33.Re8?? (33.Qc2 Qc2 34.Bc2 Rc2 35.Kf1-+) 33...Qf8 (better 33...Re8 34.Qc2 Re1 35.Kh2 Qe5 36.g3 Re2-+) 34.Rf8+- Rf8 35.Qc2 Rd8 (35...Bd4 36.Bf5+-) 36.Be4 1-0. Jimito100 (1985) - Jeopa (2165), Rated Bullet game, lichess.org, 2020.

6.Bb2 ba3 7.Ba3 Na6 8.Nc3=+.

6.Bb2 ba3 7.Ba3 g6?? 8.d4?? (better is 8.Bc5 Qc5 9.Ra8+–) 8...cd4+= 9.ed4 (9.Bc5 Qc5 10.Ra8 de3 11.fe3 Qc7= (11...Qe3? 12.Ne2+–)) 9...Qa5 (9...d5 10.Nf3=+) 10.Qd2 (10.Nd2 Qc7=) 10...Qd2=+ 11.Nd2 e6 12.Nb1 Nc6 13.Nf3 Nf6 14.Bd3 Nd5 15.g3–+ Ncb4 16.Be4? f5–+ 17.Bd3 Nd3 18.cd3 Nb4 19.Kd2 Nd5 20.Bb2 Ra1 21.Ba1 Bb4 22.Kc2 b6 23.Ne5 Bb7 24.Rd1 Ke7 25.Nc3 Ra8 26.Nd5 Bd5 27.Bc3 Ra2 28.Bb2 b5 29.Ra1 Ra1 30.Ba1 d6 0–1. amikhlin (2320) – chadpalmer (2245), net–chess.com, 2002.

6.Bb2 Nc6 7.ab4 Ra1 8.Ba1 Nb4 9.c4 d6 10.Qb3 (10.Nf3!?–/+) 10...Bf5 11.Qa4 Kd8 12.Qa8 Kc7 13.Na3 Nd3?? (better 13...Qa6 14.Qa6 ba6–/+) 14.Bd3+– Bd3 15.Nb5 (15.Qf8?! Qb4 16.Qa8 Nf6+–) 15...Kd7 16.Qf8 Bc4 17.Nc3 (17.Qg7 Qb5 18.Qg4 Be6–/+; 17.Bg7? Qb5 18.f3 Qb1 19.Kf2 Qf1 20.Kg3 Qe1 21.Kh3 Be6 22.g4 Bc4–+) 17...Qa5 18.Bb2 Qb4 (18...Qd8 19.Qg7 Nf6 20.Ne4+–) 19.Nd1 (better 19.Bc1 h5 20.Qg7 Rh6 21.Qg8 Rg6+–) 19...Nf6 (19...Bb5 20.Bg7 Nf6 21.Bh8 Ne4–+) 20.Qh8 Nd5 (20...Bb3 21.Bf6 gf6 22.Qh7+–) 21.Qg7 Qa5 (21...Qb3 22.Qg4 (22.Qf7?? Qd3 23.Qf5 Qf5–+) 22...e6 23.Bc3+–) 22.Nf3 (better 22.Qg4 e6 23.Qc4+–) 22...Nb4 23.Qg4 Be6 24.Qe4 f5 (24...Qb5 25.d4 Nd3 26.Kd2 Nb2 27.d5+–) 25.Qb7 Ke8 26.0-0 1–0. AhmedSultanov (1825) – SlavChernus (1820), lichess.org, 2020.

6.ab4 Ra1=+ 7.Ba1 Qb4 8.Ne2 (8.Nc3 Nf6=+) 8...Nf6 (8...d5 9.Bc3 Qg4 10.Na3–/+) 9.Nbc3 (9.Bf6 ef6 10.Nbc3 Nc6=) 9...Nc6 10.h3 (better 10.Nf4=+) 10...g6 (10...d5 11.Nf4 e6 12.Nce2–/+) 11.g4 (11.Nd5! Qh4 12.Bf6 ef6 13.g3+=) 11...Bg7=+ 12.Bg2 (12.Nd5 Qe4 13.Nc7 Kd8=+) 12...0-0 13.d3 e6 14.Nc1? (better 14.Qb1–/+) 14...Nd5–+ 15.Bd5 Bc3 (15...ed5?! 16.0-0 d4 17.Nd5–/+) 16.Bc3 (16.Ke2 Ba1 (16...ed5?! 17.Na2 Qb6 18.Nc3–/+) 17.Bc6 dc6–+) 16...Qc3 17.Qd2 Qd2 18.Kd2 ed5 19.Nb3 (19.Ne2 d6–+) 19...d6 20.Ra1 (20.f4 Be6–+) 20...Be6 (20...f5 21.g5–+) 21.d4 (21.Kc3 f5 22.g5 f4–+) 21...c4 22.Na5 Ra8 23.Nc6 (23.Nb3 Ra6 24.Ra6 ba6 25.Nc1–+) 23...Ra1 24.Ne7 (24.Nb4 Rh1–+) 24…Kf8 0–1. adabriwala – LewAlcindor (1835), lichess.org, 2019.

6.Bc5 Qc7? 7.Bb4+– Nc6 8.Bc3 e5= 9.d4 (9.Nf3 d5+=) 9...ed4 10.ed4 d5 11.Nf3 Nf6 12.Bd3 Be7 (12...Bd6 13.0-0 0-0 14.Re1=) 13.0-0 0-0 14.Bb2 Qb6 15.Ra2?? (better 15.Qc1+=) 15...Nb4!–/+ 16.ab4 (16.Nbd2 Na2 17.Qb1 Ba3 18.Ba3 Qb1 19.Nb1 Re8–+) 16...Ra2–+ 17.Bc3 (17.Nc3 Rb2 18.Na4 Qb4–+) 17...Bb4 (17...Ne4 18.Be1 Bf5 19.c4 dc4 20.Bc4–+) 18.Bb4 Qb4 19.c3 (19.Qd2 Qd2 20.Nbd2 Bd7–+) 19...Qd6 (better 19...Qb2!? 20.Ne5–+) 20.Qb3 Ra8 21.Ne5 Nd7 22.Re1 (22.Nf3 Nb6–+) 22...Ne5 (22...Re8 23.Qb5–+) 23.Re5 (better 23.de5!? Qc5 24.Qc2–+) 23...Be6–+ 24.Qb7?? (24.g3–+) 24...Rfb8 25.Qb8 Rb8 26.Re1 (26.g3 Rb2 27.Kf1 Qb6–+) 26...g6 (26...Rb2!? 27.f3–+) 27.Rc1 (27.Re5 Rb2 28.h4 Bg4 29.Re8 Kg7–+) 27…Qf4 (27...Qf4 28.Re1 Rb2–+) 0–1. Gorniak,Weronika – Cieslak,Wiktoria, MMJ OP+SL – D13, 2013.

6.Bc5 Qc7? 7.Bb4 Nc6 8.Bc3 e6 9.Nf3 Nf6 10.Bb2 d5 11.Be2 Be7 12.0-0 0-0 13.c4 Rd8 14.cd5 Nd5 15.d4 Bd7 16.Nc3 (16.Bd3 h6+/-) 16...Nb6 (16...Nc3!? 17.Bc3 Ba3+=) 17.Nb5 Qb8 18.a4 Na5 19.Ne5 Be8 20.Bc3 f6 21.Nf3 Rc8 22.Bd2 Nac4 23.Bc4 (23.Qb3 e5 24.a5 Bf7+/-) 23...Nc4+= 24.Bc3 Bf7 25.Qd3 b6 26.h3 Qb7 27.Nd2 Nd2 28.Qd2 Qd5 (better 28...Rc4!?=) 29.Bb4+/- Bb4 30.Qb4 Qh5 31.Nd6 Rc7 (31...Rc6 32.Rfc1 Qd5 33.Rc6 Qc6 34.Rb1 Ra4 35.Qb6 Qb6 36.Rb6+-) 32.Nf7 (32.Qb6 Rd7+-) 32...Rf7 33.Qb6 Raf8? (33...Qd5+-) 34.a5 1-0. muhammadaudii (1955) - mehdouille (1995), Rated Bullet game, lichess.org, 2020.

6.Bc5 Qc7? 7.Bb4 Nc6 8.Bc3 Nf6 9.Bf6 gf6 10.Nc3 Qa5 11.Nf3 e6 12.Rb1 (12.Bb5 Bb4 13.Ne4 f5 14.Nf6 Ke7 15.Bc6 bc6+=) 12...Ba3 (12...Qa3 13.Bb5+=) 13.Nb5 (better 13.Ra1 Qc5 14.Nb5+–) 13...Kf8? (better 13...Be7+=) 14.Ra1+– (14.Na3?! Qa3 15.Be2 Rg8+–) 14...Qb4 15.c3 Qe7? (15...Qb2 16.Bc4 d5+–) 16.Bd3 (better 16.Qb3+–) 16...Ra5 17.Nfd4 Nd4 18.Nd4 b6 19.Nb5 (19.Qb3 Bc5 20.Ra5 ba5+–) 19...Bc5 20.Ra5 ba5 21.Qh5 h6 22.Qh4 (22.0-0 Bb7+–) 22...Bb7+= 23.Qf4 (23.0-0 f5 24.Qh3 Kg7+=) 23...e5= 24.Qa4 Bb6 25.f3 Bc6 26.Ke2 Qc5 27.Rb1 e4? (better 27...Rg8 28.g3 d5=) 28.Be4+– Bb5 (better 28...Rg8 29.Kf1 Qe5+–) 29.Qb5 Qb5 30.Rb5 Kg7 (30...Bd8+–) 31.Rb6 a4 (31...f5 32.Bf5 Ra8 33.Bd7+–) 32.Ra6 Re8 33.Ra4 d5 (33...Kf8 34.g4+–) 34.Bf5 (34.Bd5 Rd8 35.c4 f5+–) 34...Re7 (34...Re5 35.e4+–) 35.Rg4 Kf8 36.Rh4 Ke8 (36...Re5 37.Rh5 Kg7 38.d4+–) 37.Rh6 Kd8 (37...Rc7 38.e4+–) 38.Rh8 Kc7 39.Rc8 (39.Rc8 Kd6 40.e4+–) 1–0. FeegLood (2255) – Singer__Marta (2240), lichess.org, 2015.

6.Bc5 Qc7? 7.Bb4+- Nc6 8.Nc3!?+-.

6.Be5 =.

7.ab4 Ra1 8.bc5 e5 9.c3 (9.d4 Nc6+-) 9...Bc5 10.Bd3 (better 10.Nf3!?+-) 10...Nc6 11.Qb3 Nge7 (11...Nf6 12.Nh3=) 12.Qb2 Ra8 13.Nf3 0-0 14.0-0 d5 15.Be2 e4 16.Nd4 Ne5 (16...Bd7 17.f3 ef3 18.Bf3+=) 17.h3 (17.f4 ef3 18.Nf3 Nf3 19.Bf3 Bd6+/-) 17...h6 18.Qb5 (18.f4 ef3 19.Nf3 N5c6+/-) 18...b6 19.Bg4?? (better 19.Qb2+=) 19...Ba6-+ 20.Qb3 Bf1 21.Kf1 Ng4 (21...Ra1 22.f4 Nc4 23.Kf2-+) 22.hg4 Ra1 (22...Rfd8 23.f3-/+) 23.Ke2 (23.Nc2 Ra7=+) 23...Rfa8 24.f3 ef3 (24...g6!?=+) 25.gf3= Ng6 (25...Kh7 26.Nb5=) 26.Nb5 (26.Qd5 Rb8 27.Qe4+=) 26...R1a2 (better 26...Rd8=) 27.Kd3?? (better 27.Nc7 R8a7 28.Nd5+/-) 27...Ne5-+ 28.Ke2 Nc4 29.Nc7 Rb2 (better 29...R8a5 30.Nd5 b5-+) 30.Qd1?? (better 30.Qb2! Nb2 31.Na8+/-) 30...Raa2 (better 30...Ra1 31.Nd5 Rab1 32.Qb1 Rb1 33.d4-+) 31.Nd5 Nd2 (better 31...Ra1 32.Kd3 b5-+) 32.Nd2 Ba3 0-1. frate_ali (1895) - glvk (2040), Rated Bullet game, lichess.org, 2015.

7.ab4 Ra1 8.bc5 e6 9.Qc1 Bc5 (9...Nc6+–) 10.Qb2 Ra8 (10...Rb1 11.Qb1 Nf6+–) 11.Qg7 1–0. FeegLood (2395) – yorkville (2055), lichess.org, 2015.

7.ab4 Ra1 8.bc5 e6 9.Qc1 Nf6 10.Qb2 Ra8 11.d4 Be7 12.Nf3 0-0 13.Bd3 Nc6 14.0-0 d6 15.cd6 Bd6 16.e4 Bb8 17.c4 Rd8 18.e5?? (18.Rd1 Nh5+–) 18...Nd7? (better 18...Nd4 19.Be2 Ne2 20.Qe2 Nd7+–) 19.Qe2 Ne7 20.Bh7! Kh7 21.Ng5 Kg6 (21...Kg8 22.Qh5 Ng6 23.Qh7 Kf8 24.Ne6 fe6 25.Qg6+–) 22.Qg4 f5 23.Qh4 (better 23.Qg3 Rg8 24.Re1+–) 23...Ra1?? (better 23...Ne5 24.de5 Be5+–) 24.f4 (24.Qh7 Kg5 25.f4 Kg4 26.Qh3) 24...Nf8+– 25.Nf3 (better 25.h3 Ng8 26.Qg3 Rd4 27.Ne6 Kf7 28.Qg7 (worse 28.Nd4 Ba7+–) 28...Ke6 29.Qf8+– (worse 29.Qg8 Ke7 30.e6 Ne6 31.Qc8 Bf4+–)) 25...Kf7+– 26.Nc3 Rf1 27.Kf1 Ba7 (27...b6!?+–) 28.Nb5+– Bb6? (better 28...Nfg6 29.Qh5 Bb8+–) 29.Nd6 Kg8 (29...Rd6 30.ed6 Neg6+–) 30.Qh5 (better 30.Qe7 Bd7 31.Qf7 Kh8 32.c5+–) 30...Bd7?? (better 30...Neg6+–) 31.Qf7 (31.Qf7 Kh7 32.Qe7+–) 1–0. FeegLood (2545) – venerius (2250), lichess.org, 2015.

7.ab4 Ra1 8.bc5 e6 9.Qc1 Nf6 10.d4 Nc6 11.Qb2 Ra8 12.Nf3 d6 13.cd6 Bd6 14.Bd3 0-0 15.0-0 Nb4 16.Bc4 Bd7 17.Nbd2 Bc6 (17...b5 18.Bb3+–) 18.c3 Nbd5 19.e4 Nf4 20.e5 Be5 1–0. FeegLood (2310) – pacalmisu (2240), lichess.org, 2015.

7.ab4 Qb4 8.Ra8 Qd6 9.Nc3 Nf6 10.Nb5 Qe5 (10...Qc5 11.Rb8 e5+-) 11.d4 Qe6 (11...Qe4 12.Rb8 Qc6 13.Nf3+-) 12.Nc7 (12.Nc7 Kd8 13.Ne6 de6 14.Rb8+-) 1-0. muhammadaudii (1935) - Kroshka091109 (2035), Weekly Bullet Arena, lichess.org, 2020.

7.ab4 Qc7? 8.Ra8 b6 9.Nc3 Bb7 10.Nb5 Qd8 11.Ra1 Nf6 12.Nf3 d6 13.Nc3 e5 14.Bb5 Nbd7 15.Ra7 Qb8 16.Bd7 (16.Qa1 Be7+-) 16...Nd7 17.Ra1 Be7 18.0-0 0-0 19.d4 e4 20.Nd2 f5 21.d5 Ne5 22.Nb5 (22.Qh5 Qc8 23.Ndb1 Ng4+-) 22...Qe8 (22...Bd5 23.Qe2+-) 23.c4 Nc4 24.Nc4 (24.Nc7!? Qb8 25.Ne6 Rc8 26.Nc4 Rc4+-) 24...Qb5+/- 25.Qb3 (better 25.Ra7!? Rb8 26.Qc1+-) 25...Bd5= 26.Rfc1 Bf7 (26...Bf6 27.Rab1=) 27.Qc2 (better 27.Ra7!? d5 28.Nb6+-) 27...d5= 28.Ne5 Qb4 (28...Bf6 29.Qc7 Qe8 30.Nf7 Ba1 31.Nh6 (worse 31.Qb6 Bf6 32.Nd6 Qe5=+) 31...gh6 32.Ra1+=) 29.Nf7 Rf7 30.Qc8 Bf8 31.Qe6 (31.Rab1 Qe7+=) 31...Qd6= 32.Qd6 Bd6 33.Ra8 Rf8 34.Rcc8 (34.Rf8 Kf8 35.Rd1 Ke7 36.Rd5 Ke6=) 34...Kf7 (34...Rc8 35.Rc8 Kf7=+) 35.g3 (better 35.Ra7 Kg6 36.Rf8 Bf8 37.Rd7=) 35...Rc8-/+ 36.Rc8 b5 37.Rc6 Ke6 38.Rd6?? (better 38.Rb6 b4 39.Rb7-/+) 38...Kd6-+ 39.g4 (39.Kf1 Kc5-+) 39...b4 40.gf5 b3 41.f6 gf6 42.Kg2 b2 (42...b2 43.h4 h5-+) 0-1. muhammadaudii (1920) - Mikhail_Walker (2035), Titled Arena Warm-up July ‘20, lichess.org, 2020.

7.ab4 Qc7? 8.Ra8+- Nf6 9.Nc3 e6 (9...Nc6+-) 10.Nb5 Qb6 11.Rb8 Qb5 (11...Kd8 12.Qa1 Bd6+-) 12.Bb5 (better 12.Rc8 Ke7 13.Bb5 h6+-) 12...Ke7 13.Rc8 1-0. muhammadaudii (2045) - CRochin (2055), Rated Bullet game, lichess.org, 2020.

7.ab4 Qe3 8.de3 Ra1+/-.

7.d4 ba3 8.Ra3 Ra3 9.Ba3 e6 10.Bf8 Kf8 11.Nd2 g6 12.Qa1 Kg7 13.Qa8 1–0. Bohnke,H – Hilton,S, OCC, 2002.

7.d4 ba3 8.Ba3 d6 +=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Bc3 Qb6 11.Nf3 Nc6 12.Be2 d5 13.0-0 e6+=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.Bc3 Qg4 12.Bf6 ef6 13.Nc3 Nc6+=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.c4 Nc6 12.Be2 d6 13.Bc3 Qb6+=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.c4 e6 12.Bc3 Qe7 13.d4 d5+=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.c4 e6 12.Nc3 d5 13.cd5 Nd5+=.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.c4 e6 12.Nc3 Be7 13.Qa4 Nc6 14.Be2 (14.d4 b6=) 14...0-0 (14...d5 15.Qb4 Bb4 16.Na2=) 15.0-0 (15.Qb4 Bb4 16.Nb5 Ne4=) 15...d5= 16.Rb1 Qa4 17.Na4 dc4 18.Nb6 (18.Bc4 Nd7=) 18...Nd5 19.Nc4 (19.Bc4 Nb6 20.Rb6 Rd8=) 19...Ncb4 (19...Rd8 20.Nce5=) 20.Bf1 (20.Be5 f5+=) 20...Nc2 (20...Rd8 21.e4 Nf4 22.Nb6=) 21.Be5+= Na3 (21...Rd8 22.Rc1 Ndb4 23.Nb6+=) 22.Na3 Ba3 23.Nd4 (23.d4 Be7+=) 23...f6 (23...Rd8 24.Nb5 Bf8 25.Na7+=) 24.Bg3 Rd8 25.Nb5 Be7 26.Na7 Nb4 27.Bc7 (27.Nc8?! Rc8 28.d4 Kf7=) 27...Rf8 (27...Re8 28.Bb5 Rf8 29.Ba5+–) 28.Ba5 Nc6 29.Nc8 Rc8 30.Rb7 Na5 31.Re7 Nb3 32.g3 (32.Re6 Nd2 33.Rd6 Rc2+–) 32...Nd2 33.Bh3 (33.Re6? Rc1–+) 33...f5 34.Re6 Rc5 35.Rd6 Ne4 36.Rd1 (36.Rd4 g6+–) 36...g6 (36...Kf7 37.f3 Nf6 38.Bf1+–) 37.Bg2+– Nc3 (37...h6 38.Be4 fe4 39.Rd4+–) 38.Rd7 Nb5 (38...Ne4 39.Bf3+–) 39.Bd5 (39.Bf1 h6+–) 39...Kf8+– 40.Bb3 (40.Bf3 Rc7 41.Rc7 Nc7+–) 40...Rc7 41.Rd8 (41.Rc7 Nc7 42.Kg2 Nb5+–) 41...Ke7 42.Rh8 Kf6 43.h4 Nd6 44.Kg2 Rb7 (44...Rd7 45.Ba4 Rc7 46.Rb8+–) 45.Bd5 Ra7 46.Kf3 (46.Rd8 Ke7 47.Rb8 Ra5+–) 46...h5 (46...Ke5 47.Ra8 Ra8 48.Ba8+–) 47.Ra8 Rc7 (47...Ra8 48.Ba8 Nc4 49.Ke2+–) 48.Ra6 Ke5 49.Ra5 Kf6 (49...Re7 50.Ke2+–) 50.Kf4 Rc2 51.f3 Rd2 52.Ba2 Rf2 (52...Nb7 53.Ra6 Rd6 54.Rd6 Nd6 55.e4 fe4 56.fe4+–) 53.Ra6 Ke7 (53...Rd2 54.e4 fe4 55.fe4+–) 54.Bd5 Rd2 55.e4 fe4 56.fe4 Rd3 57.Ra7 Kf8 58.Ke5 Nb5 59.Rf7 Ke8 60.Rf6 Nd4 (60...Nc3 61.Rg6 Re3 62.Bc6 Kf7 63.Rg5+–) 61.Rg6 Ne2 (61...Rd1 62.Rh6 Ne2 63.Kd6+–) 62.g4 (62.Bc4 Rd2 63.Rg5 Rc2 64.Be2 Re2 65.Rh5 Kf7+–) 62...hg4 63.Kd6 Rf3 64.e5 (worse 64.Rg4 Rf6 65.Be6 Nd4 66.Rg8 Rf8 67.Bd7 Kf7+–) 64...Rf8 (64...Nd4 65.Rg4 Nb5 66.Kc5 Rf5 67.Kb5 Re5+–) 65.Rg4 (better 65.Bc6 Kf7 66.Rf6 Kg7 67.Rf8 Nd4+–) 65...Nf4 (65...Rh8 66.e6 Nc3+–) 66.Bc6 Kd8 67.e6 (67.e6 Kc8 68.Bd7 Kb7 69.e7 Rf6 70.Ke5 Ng6 71.Rg6 Rg6 72.e8Q+–) 1–0. Bakhtadze,Levan (2070) – Morchiashvili,Bachana (2330), TCh–GEO Club, 2015.

7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.Nf3 Nf6 11.c4 e6 12.Nc3 Be7 13.Nb5 0-0+=.

7.Bd4 Qd6 8.Nf3 Nc6 9.ab4 (9.Bb2 Nf6 10.Bc4 Qc7 11.ab4 Ra1 12.Ba1 Nb4 13.Bb3 e6+=) 9...Ra1 10.Ba1 Nb4 11.Na3 Nf6 12.Bc4 Nc6 13.Nb5 Qc5+=.

7.Bd4 e5 8.Bb2 ba3 (8...Nc6 9.a4=) 9.Na3+= Ba3 10.Ra3 Ra3 11.Ba3 Ne7 12.Nf3 Nbc6 13.Qa1 (13.d4 d6+=) 13...0-0 14.Be2 d6 15.0-0 Bf5 16.c4 Rd8 (16...Ra8 17.d3=) 17.Qb2+= g5 (17...Ra8 18.Ra1+=) 18.Qb7+/– g4 19.Ne1 Rb8 (19...d5 20.Qb6 Nc8 21.Qc5+/–) 20.Qa6 (20.Qc7 Rd8+/–) 20...e4 (20...Rb1 21.f3 gf3 22.Bf3+=) 21.d4 Bc8 22.Qa4 h5 (22...Rb7 23.Qd1+/–) 23.Nc2 Bd7 24.d5 Ne5? 25.Qa7 Rd8 26.Qc7 Nf5 27.Rb1 Rc8 28.Rb8 Rb8 29.Qb8 Kh7 30.Bb2 Ba4 31.Nd4 Nh4 32.c5 Nhf3? 33.Nf3 gf3 34.Bf1 Bd1 35.Qd6 Qd6 36.cd6 Nd7 37.Bb5 Nb8 38.d7 (38...Nd7 39.Bd7+–) 1–0. Kreuzer – Hubel, Verb'Liga, 1985.

7.Bd4 e5 8.ab4 Ra1 9.Ba1 Bb4 10.f4 Nc6 11.Nf3 d6 12.Bb5 Bg4 13.fe5 de5 14.Be5 Qg6 15.h3 Bf3 16.Qf3 Nge7 17.Qg4 Qg4 18.hg4 0-0 19.Bb2 Nd5 (19...Ra8 20.Bc4+/–) 20.Ke2 Ra8 21.Bc4 Nb6 22.Bb3 (22.Bd3 h6+/–) 22...Na5 23.Rh5 Bf8 24.Rb5 Ra6 25.Bc3 Nb3 26.cb3 Bd6 27.Bd4 Bc7 28.Nc3 Kf8 29.Ne4 h6 30.Nc5 Ra8 31.Nd3 Nd7 32.Rb7 Rc8 33.b4 g6 34.b5 Ke7 35.b6 Bd6 36.Ne5 Be5 37.Be5 Rd8 38.Bc7 Ra8 39.Bf4 g5 40.Rd7! Kd7 41.b7 Re8 42.b8Q Rb8 43.Bb8 Ke6 44.Kf3 f5 45.gf5 Kf5 46.e4 Ke6 47.Kg4 Kf6 48.Kh5 g4 49.Kh6 Ke6 50.d4 Kd7 51.d5 Kc8 52.Kg6 Kb8 53.e5 Kc7 54.Kf6 Kd7 55.Kf7 Kd8 56.e6 Kc7 57.Ke7 g3 58.d6 (58.d6 Kb6 59.d7 Kc5 60.Kf6 Kc6 61.d8Q Kc5 62.e7 Kb5 63.e8Q Kc5 64.Qa5 Kc4 65.Qe2 Kd4 66.Qae5#) 1–0. Woelfelschneider,Peter – Krumm, 2009.

6.Nf3 ba3 7.Na3+/– (7.Ra3?! Ra3 8.Na3 Nf6+=) 7...Na6 8.Nc4 c5 (8...Nf6 9.Qb1+/–) 9.Bc3 b5 10.Nce5 b4 11.Bb2 (better is 11.Nf7!? bc3 12.Nh8 cd2 13.Qd2+–) 11...Nh6 12.Ng5 Bb7 13.Bb5 Nb8 14.Ra8 Ba8 15.e4 f6?? (better is 15...Nc6 16.Qa1 Qc8+=) 16.Qh5+– g6 17.Ng6! hg6 (17...fg5 18.Nf8 (18.Bh8?! hg6 19.Qg6 Nf7=; 18.Nh8 Kd8 19.f4 Qb7+–) 18...Nf7 19.Bh8 Be4 20.Bg7 Bc2 21.0-0+–) 18.Qg6 Kd8 19.Ne6 (19.Ne6 Kc8 20.Nc7 Kc7 21.Bc4+–) 1–0. yulio (1985) – towa (1810), gameknot.com, 2014.

6.Nf3 c5!? 7.ab4 Ra1 8.Ba1 cb4 =.

6.Nf3 f6 7.ab4 Ra1 8.Ba1 e5 9.b5 d5 10.c4 Be6 11.bc6 dc4 12.cb7 Qb7 13.d4 Nd7 14.Bc3 Ne7 15.Be2 (15.de5 fe5 16.Ne5 Ne5 17.Be5 Nc6+=) 15...ed4 16.Bd4 Nf5 17.0-0 Bb4 18.Nbd2 c3 19.Qb1 (19.Bc4 Bc4 20.Nc4 Nd4 21.ed4 Be7+/–) 19...Nd4 (19...cd2 20.Bc3 Kf7 21.Qb4 Qb4 22.Bb4 Ne5+/–) 20.Nd4= Bd5 21.Bf3 Bc5 (21...Bf3 22.N2f3 Nc5 23.Qa2+/–) 22.Qf5 g6 23.Bd5 gf5 24.Bb7 cd2 25.Nf3 Bb4 26.Bc6 Ke7 27.Bd7 Kd7 28.Nd2! Bd2 29.Rd1 Ke6 30.Rd2 Rc8 31.g3 Rc4 32.Kg2 Rc7 33.h4 Ke5 34.Rd8 Ke6 35.Rh8 f4 36.gf4 Rg7 37.Kf3 f5 38.h5 Rc7 39.Kg3 Rg7 (39...Rg7 40.Kh4 Rg4 41.Kh3 Rg7+–). bulent_2010 – PeterRs, ChessWorld.net, 2012.

7.Ba1 Na6 8.b5 Nb4 9.Bc3 (9.Nf3 Nf6+=) 9...e6 (9...Nd5 10.Bb2=) 10.Bb4 (10.Nf3!?+=) 10...Bb4=+ 11.Qg4 Be7 (11...Bf8!?=) 12.Qg7+= Bf6 13.Qg3 Qa5 (13...d6 14.Nf3+=) 14.c4 (14.Bd3!?+/–) 14...cb5+= 15.cb5 Ne7 (15...d5 16.Bd3+=) 16.Bd3+= Nd5 (16...e5 17.Qf3 Bg7 18.Nh3+/–) 17.Ne2+/– Nb4 18.Bh7 Ke7 (18...Rh7 19.Qg8) 19.Be4 (19.Qb8 Rh7 20.Qc8 Nd3 21.Kf1 Qa4=+) 19...d5 20.Bf3?? (better is 20.Nbc3 de4 21.0-0=+) 20...Nd3–+ 21.Kf1 Qa2 22.Nec3 (22.Qc7 Bd7 23.g4 Qb1 24.Kg2 Qb5–+) 22...Bc3 23.Ke2 (23.Qc7 Bd7 24.Qc3 Bb5 25.Qa3 Nb4 26.d3 Bd3 27.Ke1 A) 27...Bb1?! 28.Qb4 Kf6 29.Qd4 (29.Qb7 Be4 30.Be4 de4 31.Qe4 Qa1 32.Ke2 Qh1 33.Qf4 Ke7 34.Qb4 Kf6 35.Qf4 Kg6 36.Qg4 Kh6 37.Qf4 Kg7 38.Qg5 Kh7 39.Qh5 Kg8 40.Qg5 Kf8 41.Qd8 Kg7 42.Qg5 Kh7 43.Qh5 Kg7 44.Qg5=) 29...e5 30.Qd5=; B) 27...Qb1 28.Bd1 Rc8–+) 23...Be5 24.Qg5 Kd6 (25.Rd1 Bd7–+; 24...Bf6 25.Nc3 Qc4 26.Bd5 Nf4 27.Kf3 Nd5 28.Nd5 ed5 29.Qf4–+) 0–1. juanpacio (1635) – Garfield85 (1840), internet, 2006.

7.Ba1 Qb6 8.b5 cb5 9.Nc3 (9.Nf3 b4=) 9...b4= 10.Nd5 Qa5 11.Bc4 e6 12.Nf4 d5 13.Bb3 Nf6 14.Nf3 Nc6 15.g4 (better 15.0-0!?=) 15...Ng4–/+ 16.Rg1 Nf6 17.h4 h6 18.Nd3 Rg8?? (better 18...Bd7–/+) 19.Bf6+– 1–0. FeegLood (2745) – smurf42 (2620), lichess.org, 2015.

7.Ba1 Qb6 8.Nf3 Qb4= 9.Nc3 d5 10.Be2 Nf6 11.0-0 e6 12.Qb1 (12.Na2 Qe7=+) 12...Nbd7 13.Qb4 Bb4 14.Rb1 Be7 15.Na4 (15.Bb2 e5–/+) 15...b5–+ 16.Nc3 0-0 17.Nd1 Bb7 18.Ne5 Ra8 19.f4 Ne5 20.Be5 Nd7 21.Bb2 Bf6 (21...Bd6 22.Kf2–+) 22.Nf2 (22.Bf6 Nf6 23.Nc3 Kf8–/+) 22...Ra2 23.Bf6 gf6 24.Bd1 Ba6 (24...Nb6 25.Kf1–/+) 25.Kf1 Nc5 (25...c5 26.Ke1–/+) 26.Ke1 f5 27.h3 Kg7 28.Rb4 Kf6 29.Rb1 Na4 30.Nd3 c5 31.Rc1 (31.Nc1!? Ra3 32.Be2–/+) 31...b4–+ 32.Ne5 c4 (32...Ke7 33.Be2 Be2 34.Ke2–+) 33.Rb1 Rb2 34.Ra1 Bb5 35.Nf3 Bd7 36.Nd4 c3 37.Nb3 Bb5 38.Nd4 Bd7 39.Nb3 Kg6 40.Nd4 Kf6 (40...h6 41.Ke2–/+) 41.Nf3 (41.Nb3 Ke7 42.Ke2–/+) 41...Nc5 42.Ne5? (better 42.Nd4–/+) 42...cd2–+ 43.Kd2 (43.Kf2–+) 43...Ne4 (better 43...Nb3! 44.Ke1 Na1 45.Nd7 Ke7–+) 44.Kc1+– (44.Kc1 Rc2 45.Bc2+–) 1–0. FeegLood (2745) – smurf42 (2615), lichess.org, 2015.

7.Ba1 d5 8.c4 Nf6 9.Nf3 Nbd7 10.Qb3 (10.Bf6 ef6 11.c5 b6=) 10...e5 11.Nc3 Be7 12.c5 (12.Be2 dc4 13.Bc4 0-0=) 12...0-0 13.d4 e4 14.Nd2 Kh8 (14...b6 15.Qc2=+) 15.Be2 Ng8 (15...b6!?=+) 16.0-0= f5 17.f4 (17.f3+=) 17...g5 (17...b6!?=) 18.Nd1 (18.b5 g4+/–) 18...g4 19.b5 Ndf6 (19...b6 20.bc6 Qc6 21.Bb5+/–) 20.b6+/– Qd8 21.Bb2 Be6 22.Nf2 h5 (22...g3 23.hg3 Kg7 24.g4+/–) 23.Ra1 Nh6 24.Ra7 Bc8 25.Qa4 Rg8 26.Ba6?? (better is 26.Qc2+–) 26...g3 27.hg3 Rg3?? (27...ba6 28.Qc6 Nhg4=+) 28.Nf1+– (28...Rg7 29.Bb7+/–) 1–0. Fehr,Wolfgang – Bedbur,Heinz, corr SOK–92–78, 1992.

7.Ba1 d5 8.d4 e5 9.de5 Bb4 10.Nd2 Qa5 11.Ngf3 Bg4 12.Bb2 Nd7 (better is 12...Bc3!? 13.Bc3 Qc3=+) 13.e6+= Ndf6 14.ef7 Kf7 15.Ne5 Kf8 16.Ng4 Bd2 17.Qd2 Qd2 18.Kd2 Ng4 19.f3 N4f6 20.Bd3 Kf7 21.Ra1 Ne7 22.Ra7 b5 23.Ba3 Re8 24.Rc7 g6 25.Be7 Re7 26.Rc6 Rb7 27.g4 Nd7 28.Rd6 Nb6 29.Bb5 Ke7 30.Rc6 Nd7 31.Be2 Ne5 32.Ra6 Nd7 33.h4 Rc7 34.h5 gh5 35.gh5 Nf6 36.h6 Kf7 37.Bd3 Re7 38.c4 dc4 39.Bc4 Kg6 40.e4 Kg5 41.f4! Kf4 42.Rf6 Ke4 43.Bd3 Ke5 44.Rf5 Ke6 (44...Kd4 45.Rf4 Kc5 46.Rc4 Kd6 47.Rd4 Ke5 48.Re4 Kf6 49.Rg4+–) 45.Rf8 Ke5 (45...Rd7 46.Ke3 Rd6 47.Rh8+– (47.Bh7?! Ke7+/–)) 46.Rh8 Kf6 47.Rh7 (better is 47.Bh7 Ra7 48.Bc2 Rd7 49.Kc1+–) 47...Rh7= 48.Bh7 Kg5 49.Bg8 ½–½. Loulou – PurpleKnight25, HCL–E912 playchess.de, 2003.

7.Ba1 d5 8.Nf3 Nd7 9.c4 e5 10.Ne5? (better 10.cd5 cd5 11.Na3=) 10...Ne5-+ 11.Be2? (11.cd5 cd5 (11...Bb4?! 12.f4 Ng6 13.Bg7=) 12.Qa4 Nd7-+) 11...Nf6 (better 11...Nc4!? 12.b5-+) 12.cd5 cd5 (12...Nd5 13.f4 Nd7 14.b5-+) 13.0-0 Bb4?? (13...Bd6 14.Qa4 Bd7 15.b5-+) 14.Qa4?? (better 14.Be5 Qe5 15.Qa4 Ke7 16.Qb4 Qd6 17.Qb3+=) 14...Nc6-+ 15.Bf6 gf6 16.Bf3 Be6 17.Rc1 (17.Nc3 Bc3 18.dc3 0-0-+) 17...Bd6 18.h3 0-0 19.e4 (19.Qh4 Ra8-+) 19...de4 20.Be4 Bd7 (20...Qd7 21.Qd1 f5 22.Bc6 bc6 23.Qh5-+) 21.Nc3 f5 22.Bf3 Be5 23.Ne2 (23.Qb5 Qd6 24.Qd5 Qd5 25.Bd5 Rd8-+) 23...Qd6 24.d4 (24.Qc2-+) 24...Nd4 25.Nd4 (25.Qd1 Nf3 26.gf3 Qg6 27.Kh1-+) 25...Ba4 (25...Qd4?! 26.Qd4 Bd4 27.Rd1-/+) 26.Nf5 Qd2 27.Rf1 Ra8 (better 27...Re8 28.Ne3-+) 28.Nh6 (28.Bb7 Rb8 29.Bc6 Bd1-+) 28...Kf8 (better 28...Qh6 29.Bb7 Rb8 30.Bd5-+) 29.Ng4 Bd6 (29...Bb5 30.Rd1 Ra1 31.Ne5 Rd1 32.Bd1 Qe1 33.Kh2 Qe5 34.Kh1 Qe1 35.Kh2 Qd1 36.Kg3 Qd6 37.f4 Qe7 38.Kg4 f5 39.Kg3 Qe3 40.Kh4 Qe1 41.g3 Qe7 42.Kh5 Be8 43.Kh6 Qg7) 30.Nf6 (30.Bb7 Re8 31.Nf6 Re1-+) 30...Qf4 31.Nh7 Kg7 32.g3 (32.g3 Qf3 33.Ng5-+). Jimito100 (1995) - IKUINENLUPAUS (1975), Rated Bullet game, lichess.org, 2020.

7.Ba1 d5 8.Nf3 Nf6 +=.

7.Ba1 d5 8.f4 Nf6 9.Qc1 (9.Be5 Qd8=) 9...Bf5 10.Nf3 e6 11.Qb2 (11.Nh4 Bg6 12.Ng6 hg6=) 11...Be7 12.b5 Nbd7 13.Be2 0-0 14.0-0 Ra8 15.Nc3 (15.Nd4 Be4=+) 15...Bg4 16.h3 Bf3 17.Bf3 Ne8 18.Kh1 Nb6 19.bc6 bc6 20.Qc1 Bf6 21.Qe1 Na4 22.Na4 Ra4 23.Bf6 Nf6 (< 23...gf6 24.d3+=) 24.Qb1 Ra7 (24...Qa7 25.Qb2=+) 25.Qb2 Qb7 (25...Rb7 26.Qc3=+) ½–½. Lagvilava,Genrieta (2335) – Styazhkina,Olga (2315), St Petersburg, 2000.

8.b5 cb5 9.Bb5 Nc6 10.Nf3 Bd6 (10...e4 11.Nd4+=) 11.c4 (11.Nc3 Nf6+=) 11...Nge7 12.Nc3 0-0 13.Ne4 (13.0-0 Bb4+=) 13...b6 (13...Bb4 14.0-0=) 14.0-0+= Bb7 15.Nd6 Qd6 16.d4 ed4 17.ed4 Re8 (17...Na7 18.Ba4+=) 18.Re1 (better 18.d5 Nb8 19.Be5+–) 18...Kf8? (better 18...Na7 19.Ba4 b5 20.cb5 Qb4+–) 19.d5+– Na7 20.Bg7! Kg7 Decoy theme: g7 21.Qa1 Theme: Double Attack 21...f6 22.Qa7 Qc7?? (22...Bc8 23.Kh1+–) 23.Qa3 (better 23.d6 Qd6 24.Qb7 Rd8+–) 23...Qd8 24.Qd6 (24.Qe3 Kf7 25.Qh6 Rh8+–) 24...Nf5 (24...Bc8+–) 25.Qd7 (better 25.Re8 Qe8 26.Qb6+– (26.Qd7?! Qd7 27.Bd7 Nd6+–)) 25...Qd7+– 26.Bd7 Re1 27.Ne1 Nd6 28.Nc2 Nc4 29.Nb4 Kf7 30.Kf1 (30.Bc6 Bc8+–) 30...Ne5 (30...Ke7 31.Be6+–) 31.Bf5 h6 32.Ke2 Ke7 33.f4 Nc4 34.Kd3 b5 35.Kd4 Kd6 36.g4 (36.Be6 Nd2+–) 36...Nd2+– 37.h3 (37.Be4+–) 37...Nf3? (37...Nb3!? 38.Kc3 Nc1=) 38.Ke4 (38.Ke3 Nh4 39.Be4 Kc5+–) 38...Nd2 (38...Ng1+–) 39.Kd4 (39.Ke3 Nc4 40.Kd4 Nb6+–) 39...Nf3 40.Ke3 Ng1 41.Kd4?? (41.Be4 Kc5 42.Nc6 b4+–) 41...Nh3?? (better 41...Nf3 42.Kd3 Kc5+= (42...Bd5?? 43.Nd5 Kd5 44.Be4 Kd6 45.Bf3+–)) 42.g5!+– Ng5 (42...hg5 43.Bh3) 43.fg5 fg5 44.Bg4 h5? (better 44...Ba8+–) 45.Bh5 Bc8 46.Be2 Bd7 47.Nd3 g4 48.Nf4 (better 48.Nf2!? b4+–) 48...b4 49.Bc4 (better 49.Bd1!? Bc8 50.Nh5+–) 49…Bc8? (better 49...Bf5+–) ½–½. Kreuzer – Bennebach, 1985.

8.b5 d5 9.c4 Nf6 10.Nf3 Nbd7 11.cd5 cd5 12.Nc3 (12.b6 Qb8= (worse 12...Nb6 13.Be5 Qe7 14.Nc3+=)) 12...b6 13.Be2 Bd6 14.h3 0-0 15.0-0 Bb7 16.Qb1 Re8 Black prepares the advance e4 (16...Rc8 17.Rc1=+) 17.Rc1= Qb8 18.d4 e4 19.Ne1 (19.Nd2 Rc8=) 19...g5 (19...Rc8!?=) 20.Nc2+= Kh8 (20...Rc8 21.Qb3+=) 21.Nb4 (21.Qb3 Rc8+=) 21...Rg8 (21...Rc8 22.Na6 Qa8 23.Rc2=) 22.Qb3 Will d5 fall? 22...g4 23.hg4 (23.Nbd5 gh3 24.Bf1 Nd5 25.Nd5 Rg5–/+; worse 23.Ncd5 gh3 24.g3 Bg3–/+) 23...Rg5 (23...Qf8 24.Ncd5 Qh6 25.Nf4+–) 24.Nc6 Qf8 25.g3 (25.f4 ef3 26.gf3=) 25...h5? (25...Kg7 26.Bb2+=) 26.Kg2?? (better 26.gh5 Qc8 27.Bb2+–) 26...hg4+= 27.Rh1 Kg7 28.Qa2 (28.Na4 Qc8=) 28...Qc8= 29.Qa4 Kg6 30.Bb2 Rh5 31.Rh5 Kh5 32.Bd1 Nf8 (32...Nb8 33.Ne5+–) 33.Ne5 (33.Bb3!?+–) 33...Qc7 (33...Ng6 34.Nf7 Bb8 35.Qb4+=) 34.Ne2 (34.Qa7 Bc8 35.Qc7 Bc7 36.Nf7 Ng6+–) 34...Be5 (34...Ng6!?+=) 35.de5+– N6d7 36.Nf4 Kg5 37.Qa3 Qc5 38.Qa7 Bc8? (better 38...Qb5 39.Qb7 Qb2 40.Qd5 Qe5 41.Qf7 Qh8+–) 39.Ba3+– Qb5 (39...Qc3 40.Bf8 Qe5 41.Qa8 Nf8 42.Qc8+–) 40.Bf8 Qc6 41.Bd6 Bb7 (41...Qb7 42.Qa2 f6 43.Bb3 (worse 43.Nd5 Nf8 44.Bf8 Be6+–) 43...Ne5 44.Bd5+–) 42.Qa2 (better 42.Bb3 Qc8 43.Nd5 Qa8 44.Qa8 Ba8+–) 42...Kf5 (42...f6 43.Bb3 fe5 44.Be7 Kh6 45.Bd5+–) 43.Qe2 (better 43.Qa1 Nf6 44.Be7+–) 43...Ne5 44.Be5 Ke5 45.Qg4 (45.Qb2!? Kd6 46.Qf6 Kd7 47.Qf7 Kd6 48.Bg4 b5+–) 45...Kf6 (45...Kd6 46.Qf5 Bc8 47.Qf7+–) 46.Qh4 Kg7 47.Qg5 Kf8 48.Bh5 (48.Qd8!? Kg7+–) 48...d4 (48...Qd7 49.Qh6 Ke7 50.Qb6+–) 49.Qd8 (49.Qd8 Kg7 50.ed4+–; worse 49.ed4 Qc7+–) 1–0. Kreuzer – Kalinski, Ladenburg, 1987.

8.b5 d5= 9.bc6 bc6 (9...Nc6 10.Bb5=+) 10.d4 (10.Nf3 Bd6=) 10...e4 (10...Nd7 11.de5 Ne5 12.Nf3 Nf3 13.Qf3=+) 11.c4 Nf6 12.c5 Be7 13.Ne2 (13.Be2 0-0=+) 13...0-0 14.Nd2 Ng4 (14...Bg4 15.f3 ef3 16.gf3=+) 15.Nf4 Bg5 (15...Bh4 16.g3 Bg5 17.Be2=+) 16.Be2 (16.h3 Nf6=+ (16...Bf4?! 17.ef4 Nf6 18.g3=+)) 16...Nf6 17.Nh5 Nh5 18.Bh5 f5 19.0-0 (19.Be2 f4 20.h4 Bh6=+) 19...f4 20.Qb3 Ba6 21.Ne4 (21.Rb1 Bd3 22.Re1 fe3 23.fe3 Bh4–+) 21...Qe7 (21...Bf1 22.Ng5 Bc4 23.Qc2=) 22.ef4 Bf4 (22...Qe4 23.fg5 Bf1 24.Kf1 Qh4–+) 23.Ng3?? (better is 23.Re1+/–) 23...Bf1–/+ 24.Nf1 Nd7 (24...Qe1 25.Qd1 Re8 26.Bc3 Qd1 27.Bd1–/+) 25.g3 (25.Bg4 Nf6 26.Bf5 Qe1–/+) 25...Bh6 (25...Qe1 26.Qc3 Bd2 27.Qd2 Qa1 28.Qd1–/+) 26.Ne3 Qf6 27.f4 (better is 27.Ng4 Qg5 28.Nh6 Qh6 29.Bg4 Qc1 30.Qd1 Qd1 31.Bd1–/+) 27...Bf4?? (better is 27...Nc5 28.Qc2 Ne4–+) 28.gf4= Qf4 (28...Nc5 29.Qc3 Ne4 30.Ng4–+) 29.Kh1 Qf2 (30.Bg4 Qe1 31.Kg2 Rf2 (31...Qa1?! 32.Bd7 Qd4 33.Qa3–/+) 32.Kh3 Nc5 (< 32...Qa1 33.Bd7 Rb2 34.Qd1+=) 33.dc5 Qa1 34.Be6 Kf8 35.Qb8 Ke7 36.Qd6 Kf6 37.Bg8 Kg5 38.Qg3 Kf6 39.Qf2 Ke7 40.Qf7 Kd8 41.Qf8 Kd7 42.Qd6 Kc8 43.Qc6 Kd8+–). Sawamura,Tetsushi – Polevoy,Nickolay (2045), CP.2001.P.00035, 2001.

8.b5 d5= 9.Nf3 Bd6 =.

8.b5 Nf6 9.Nf3 d6 10.Be2 Be7 11.0-0 0-0 12.d4 (12.Nc3 e4 13.Ne1 d5=+) 12...e4 13.Nfd2 d5 14.c4 Be6 15.Qc1 (15.Nc3 Nbd7=) 15...Qd7 (15...dc4 16.Bc4 Bc4 17.Qc4=+) 16.Nc3 Bg4 17.f3 ef3 18.gf3 (18.Nf3!? Qe6 19.Ng5=) 18...Bh3=+ 19.Rf2 Re8 20.cd5 (20.c5 Nh5 21.f4 Nf6=+) 20...cd5 21.Nf1 Qc7 (21...Bd6 22.Bd3-/+) 22.Ng3 (22.Bd3 Bb4=+) 22...Nbd7 (22...Bd6 23.f4-/+) 23.Bf1 Be6 24.Qb1 g6 (24...Nb6 25.e4 Nc4 26.e5=+) 25.Bd3 (25.e4 Nb6=) 25...Bd6 26.Nce2 Bh3 (26...h5!?=+) 27.e4= de4 28.fe4 Ng4 29.e5 (better 29.Rf3!?+=) 29...Nde5=+ (worse 29...Nf2 30.ed6 Qd6 31.Kf2 Qf6 32.Ke1=) 30.de5 Bc5 (30...Be5 31.Be5 Qe5 32.Rf3 Qc5 33.Kh1 Nf2 34.Rf2 Qf2 35.Be4-/+) 31.Bd4 (31.Ne4 Be3 32.Bd4 Bd4 33.Nd4 Nf2 34.Nf2 Qe5 35.Nh3 Qd4 36.Nf2=+) 31...Nf2 32.Bf2 Qe5 33.Qc1 Rc8 (better 33...Bf2 34.Kf2 Qd5-/+) 34.Qd2?? (better 34.Bc5 Rc5 35.Qf4=+) 34...Qa1-+ 35.Nc1 Bf2 36.Kf2 Qc1 37.Qb4 (37.Qc1 Rc1 38.Ne2 Rf1 39.Ke3 Bg2-+) 37...Qc5 (better 37...Re8 38.Be4 Qf4 39.Ke1 Qe3 40.Kd1 Rd8 41.Kc2 Qf2 42.Kc1 Rc8 43.Bc6 Qg1 44.Kd2 Rd8 45.Kc2 Qh2 46.Kc1 Qg3-+) 38.Qc5 Rc5 39.Ne4 Re5 40.Kf3 (40.Nc3 Be6-+) 40...Bf5 41.Nf6 Kg7 (41...Kg7 42.Ng4 Rc5-+) 0-1. Sychev,K (2555) - Martinez Reyes,P (2415), Titled Tuesday 6th July, 2021.

8.Qc1 Na6 A) 9.Nf3 A1) 9...d6 10.Qb2 (10.b5 Nc5 11.d4 ed4 12.Bd4 Nf6 13.Nc3 Be7 14.Qb2; 10.Qa3 Nf6 11.Nc3 Be7 12.Ba6 ba6 13.0-0 0-0 14.d3) 10...Nf6 11.Nc3 Be7 12.b5 Nc5 13.b6 Qb8 14.Be2; A2) 9...e4 10.b5 Nc5 11.Nd4 Nf6 12.Nc3 Be7 13.Be2 0-0 14.h3; B) 9.b5 Nc5 10.b6 (10.Nf3 e4 11.Nd4 Nf6 12.Nc3 Be7 13.Be2 0-0 14.0-0; 10.Be2 Nf6 11.Nf3 e4 12.Nh4 d5 13.Bf6 gf6 14.Qb2) 10...Qb6 11.Be5 Nf6 12.Nc3 Be7 13.Nf3 0-0 14.Bd4.

8.Qc1 Bb4 9.Qb2 Bd6 (9...Bf8 10.Qe5 Qe5 11.Be5 d6 12.Bf4 Nf6 13.Nf3 Nh5 14.Bg3) 10.Nf3=+ (10.f4 f6 11.fe5 Be5 12.Nc3 Bh2 13.Nf3 Bg3 14.Kd1) 10...Nf6 11.Ne5 0-0 12.Be2 Na6 13.0-0 b5 14.d4.

8.Qc1 d5 9.Qa3 A) 9...Nf6 10.Qa5 (10.Nf3 Bd6 11.Qa5 Qe7 12.Bb2 0-0 13.b5 e4 14.Nd4; 10.h3 Bd6 11.Nf3 Bf5 12.Nc3 0-0 13.Nh4 Be6 14.g4; 10.Bd3 Bd6 11.Qb3 Na6 12.Ba6 ba6 13.Nf3 0-0 14.Bc3; 10.Nc3 Bd6 11.Nf3 0-0 12.Bb2 Bf5 13.Qb3 Nbd7 14.Bd3) 10...Qa5 11.ba5 Nbd7 12.Nf3 e4 13.Nd4 Ne5 14.Nb5; B) 9...Nd7 10.Nf3 (10.Nc3 Ngf6 11.Nf3 Bd6 12.Be2 0-0 13.h3 Nb6 14.0-0; 10.Be2 Ngf6 11.Nf3 Bd6 12.Nc3 0-0 13.0-0 Nb6 14.h3; 10.Bb2 Ngf6 11.Nf3 Bd6 12.Qa5 b6 13.Qa4 Bb7 14.Nc3; 10.Ne2 Ngf6 11.Ng3 Nb6 12.Nc3 Bd6 13.Bd3 0-0 14.Na4; 10.Qa5 Qa5 11.ba5 Ngf6 12.Nf3 e4 13.Nd4 Ne5 14.Nb5; 10.Nh3 Ngf6 11.Be2 Bd6 12.0-0 Qb6 13.Nc3 Bb4 14.Qa2; 10.h3 Ngf6 11.Nf3 Bd6 12.Nc3 0-0 13.Be2 Nb6 14.0-0; 10.c4 Ngf6 11.Nf3 e4 12.Bf6 Nf6 13.Nd4 Bd6 14.Nc3; 10.h4 Ngf6 11.Nf3 Bd6 12.h5 Qb6 13.Bc3 Ng4 14.Be2; 10.Bc3 Ngf6 11.Nf3 Bd6 12.d3 0-0 13.Nbd2 Nb6 14.Be2) 10...Ngf6 11.Nc3 Bd6 12.Bb2 0-0 13.Be2 Nb6 14.0-0; C) 9...Qe7 10.Nf3 (10.Be2 Nf6 11.Nf3 e4 12.Qa8 ef3 13.Qb8 Qe6 14.Bf3; 10.Bc3 d4 11.Bb2 Na6 12.Ba6 ba6 13.Nf3 Nf6 14.0-0; 10.Qa2 Nf6 11.b5 Ng4 12.f3 Nh6 13.Ne2 Nf5 14.Nbc3; 10.Qb2 Nd7 11.b5 Ngf6 12.Nf3 e4 13.bc6 bc6 14.Nd4; 10.h4 Nf6 11.Qa8 Qc7 12.Nf3 Bd6 13.c4 dc4 14.Bc4; 10.Bb2 Nd7 11.Nf3 Ngf6 12.b5 Qa3 13.Ba3 Ba3 14.Na3) 10...e4 11.Nd4 Qb4 12.Qb4 Bb4 13.Nc6 bc6 14.Bg7; D) 9...Bd6 10.f4 (10.Nf3 Nf6 11.c4 dc4 12.Bc4 0-0 13.0-0 Nbd7 14.Nc3; 10.c4 dc4 11.Bc4 Nf6 12.Nf3 0-0 13.Nc3 Na6 14.Ba6; 10.Nc3 Nf6 11.Nf3 0-0 12.Qb3 b5 13.Na2 Na6 14.Be2; 10.Bb2 Nf6 11.Nf3 0-0 12.c4 dc4 13.Bc4 b5 14.Bb3) 10...Nd7 11.fe5 Ne5 12.Nf3 Nf6 13.Be5 Be5 14.Ne5.

8.Qc1 d5 9.Qb2 A) 9...Bd6 10.Nf3 (10.c4 dc4 11.Bc4 Nf6 12.Nf3 Nbd7 13.Nc3 0-0 14.Ng5) 10...Nf6 11.c4 e4 12.c5 ef3 13.cd6 Qd6 14.gf3; B) 9...Bf5 10.Nf3 (10.Qe5 Qe5 11.Be5 Nd7 12.Bc3 Bc2 13.Na3 Be4 14.f3; 10.Nc3 Bd6 11.Nf3 Nf6 12.h3 0-0 13.g4 Bg6 14.Nh4; 10.Ne2 Nd7 11.Ng3 Be6 12.Nc3 Ngf6 13.Qa3 Bd6 14.Qa8; 10.Be2 Nd7 11.Nf3 Ngf6 12.Nh4 Be6 13.Nc3 Bd6 14.h3) 10...Nd7 11.Ne5 Ne5 12.Qe5 Qe5 13.Be5 Bc2 14.Na3; C) 9...Nd7 10.Nf3 Ngf6 11.Ne5 Ne5 12.Qe5 Qe5 13.Be5 Bf5 14.b5; D) 9...e4= 10.Qb3 (10.Ne2 Nf6 11.Nd4 Bd6 12.Nc3 0-0 13.b5 c5 14.b6; 10.Nc3 Nf6 11.Nge2 Bd6 12.Nd4 0-0 13.Be2 Na6 14.b5; 10.b5 Nd7 11.Nc3 Ngf6 12.Nge2 Bd6 13.Nd4 0-0 14.Nf5; 10.Qa3 Nf6 11.Nh3 Nbd7 12.Bd4 Bd6 13.Nc3 0-0 14.Be2; 10.Nh3 Nf6 11.Be2 Nbd7 12.Qb3 Bd6 13.Bd4 0-0 14.Nf4; 10.h3 Nf6 11.Nc3 Be7 12.Nge2 Na6 13.b5 Nb4 14.bc6; 10.f4 Nf6 11.Qe5 Qe5 12.fe5 Ng4 13.h3 Nh6 14.b5) 10...Nd7 11.Ne2 Ngf6 12.Nd4 Bd6 13.Nc3 0-0 14.Be2.

8.Qc1 d5 9.c4 Nf6 (9...dc4 10.Qc4 (10.Bc4 Bd6 11.Nf3 Nf6 12.Nc3 b5 13.Bd3 Na6 14.Ne4) 10...Bd6 (10...Be6 11.Qh4 Ne7 12.Nf3 Ng6 13.Qh5 Nd7 14.Ng5) 11.Nf3=+ (11.Nc3 Be6 12.Qh4 Qe7 13.Qe7 Ke7 14.Ne4) 11...Nf6 12.Na3 Bf5 13.Qh4 Nbd7 14.Nc4; 9...Na6 10.cd5 Nb4 11.dc6 Qc6 12.Qc6 Nc6 13.Nc3 Bf5 14.Nf3; 9...Bb4 10.Nf3 (10.cd5 Bd6 11.Na3 Nf6 12.dc6 Nc6 13.Nb5 Qe7 14.Nf3) 10...d4 11.Be2 Nf6 12.ed4 e4 13.Ne5 Nbd7 14.Qb2) 10.Nf3= (10.cd5 Nd5 11.Nc3 Nb4 12.Nf3 Bf5 13.e4 Bg6 14.h4) 10...Nbd7 (worse 10...Bb4 A) 11.Ne5?! dc4 (11...Bd6 12.Nf3 dc4 13.Bf6 gf6 14.Qc4) 12.Bc4 0-0= 13.Qc2 Nbd7 14.f4; B) 11.Be5 Bd6 12.Bf6 gf6 13.cd5 (13.Qb2 0-0 14.Qf6) 13...cd5 14.Qb2+–) 11.cd5 Nd5 12.b5 Bd6 (12...e4 13.Ng5 (13.bc6 Qc6 14.Qc6) 13...Nc5 14.Qc4=+ (14.Bg7 Bg7 15.Qc5+=)) 13.Nc3 Nc5 (13...N5f6 14.Bc4= (14.d4=)) 14.Qb1 (14.Nd5 cd5 15.Qb2 Nd7=; 14.bc6=) 14...0-0 (14...Nc3 15.Bc3 0-0 16.Ng5=) 15.Nd5 cd5 16.b6 Qe7 17.Ne5 (17.Be5 Be5 18.d4 Bd6 19.dc5 Bc5=+) 17...Be5 18.d4 Bf6 19.dc5 d4 20.Be2 (better 20.e4!? Qc5 21.Bd3 Qa5 22.Kf1=+) 20...de3–/+ (20...Qc5?! 21.0-0 de3 22.Bf6 gf6 23.Bd3=) 21.Bf6 (21.0-0 Ba1 22.Qa1 Qc5–/+) 21...ef2–+ 22.Kf2 Qf6 23.Bf3 Qd4 24.Kg3 Qe5 25.Kf2 Qc5 26.Kg3 Qe5 27.Kf2 Qd4 28.Kg3 g5 29.h3 Qh4 30.Kh2 Qf4 31.Kg1 Re8 (31...Bf5 32.Qf1 Rc8–+) 32.Kf2?? (32.Qd1–+) 32...Qd4 33.Kg3 (33.Kf1 Be6 34.Be2–+) 33...Qh4 (33...Re2 34.Be4 Qe3 35.Kh2 Qh3 36.Kg1 Qe3 37.Kh2 g4 38.Bh7 Kg7 39.Qa1 Kh7 40.Qb1 Kh6 41.Qg6 fg6 42.Rb1 Qh3 43.Kg1 Qg2) 34.Kh2 Qf4 (34...Qf4 35.Kg1 Qg3–+) 0–1. Mihalj,Miroslav (2295) – Pap,Misa (2400), ch–Serbia, Vrnjacka Banja SCG (4), 2006.

8.Qc1 d5 9.Nf3 A) 9...Bd6 10.c4 dc4 11.Bc4 Nf6 12.Qb2 Nbd7 13.Nc3 Nb6 14.Bd3; B) 9...f6 10.b5 (10.Qb2 b5 11.Na3 Kf7 12.Be2 Bd6 13.Qb3 Na6 14.c3; 10.Bc3 Na6 11.Qb2 Bd6 12.b5 Nc5 13.Be2 Nh6 14.Bb4; 10.c4 Bb4 11.cd5 Ne7 12.dc6 Nbc6 13.Qc4 Qa5 14.Bc3; 10.Qa3 Qb6 11.Bc3 Na6 12.Ba6 Qa6 13.Qa6 ba6 14.d3) 10...e4 11.Nd4 c5 12.Ne2 Bd6 13.c4 Ne7 14.Nbc3; C) 9...Nd7 10.Qb2 (10.c4 e4 11.Nd4 dc4 12.Qc4 Ngf6 13.Nc3 Qb6 14.b5) 10...Ngf6 11.Ne5 Bd6 12.Nd7 Bd7 13.Qa3 0-0 14.Bd4.

8.Nf3 e4 9.Ng5 =+.

8.Nf3 f6 9.b5 d5 10.bc6 bc6 11.Be2 Bd6 12.0-0 (12.c4 Ne7=) 12...Ne7 (12...e4!? 13.Nd4 Bh2 14.Kh1 Be5-/+) 13.h3=+ 0-0 14.c4 Be6 15.Nc3 Nd7 16.cd5 cd5 17.Nb5 Qb6 18.Nd6 Qd6 19.Bc3 Nc6 20.Qa4 Nc5 21.Qh4 Rd8 22.Ra1 d4 23.ed4 ed4 24.Bb2 d3 25.Bf1 Bf5 26.Ba3 Qd5 27.Bc5 Qc5 28.Qa4 Ne5 29.Ne5 Qe5 30.Rc1 h6 31.Qc4 Kh7 32.Qc7 Qc7 33.Rc7 Re8 (33...h5 34.f3=) 34.Rc5 (34.g4 Be4+/-) 34...Kg6 35.g4 Be4 36.Rc4 f5 37.gf5 (better 37.f3!? Bf3 38.Bd3+=) 37...Bf5=+ 38.Rf4? (better 38.Rc3 Re1 39.Kg2 Bh3 40.Kh3 Rf1 41.Kg2=+) 38...Re1 39.Kg2 Kg5 (39...Rd1 40.Rd4 Rd2 41.Rd6 Kf7 42.Kf3-+) 40.Rf3 (40.Rf5 Kf5 41.Bd3 Kg5-+) 40…Be4-+ (40...Be4 41.Bd3 Bf3 42.Kf3 Rh1-+) 0-1. muhammadaudii (2090) - alexshtanishkin2007 (2100), Rated Blitz game, lichess.org, 2020.

9.Nc3 Nd7 A) 10.Bb2 Ngf6 (10...Be7 11.Qa1 Ngf6 12.Qa7 c5 13.Nf3 e4 14.Ng5 d5 15.h4 Nb6; 10...d5 11.Nf3 Ngf6 12.g3 Bb4 13.Be2 0-0 14.0-0 e4 15.Nd4 Ne5) 11.Nf3 Be7 12.Qa1 0-0 13.Qa7 c5 14.Be2 e4 15.Ng5 d5; B) 10.d4 Ngf6 (10...d5 11.de5 Ne5 12.Qd4 Bd6 13.f4 Ng6 14.Qg7 N8e7 15.bc6 bc6) 11.Nf3 e4 12.Ng5 d5 13.Be2 h6 14.Nh3 Bd6 15.Nf4 0-0; C) 10.g3 Ngf6 (10...Be7 11.Nf3 Ngf6 12.Bg2 0-0 13.0-0 Nb6 14.bc6 bc6 15.Qe2 h6; 10...d5 11.Nf3 Ngf6 12.Bg2 e4 13.bc6 bc6 14.Nd4 Ne5 15.0-0 Bd6) 11.Nf3 e4 12.bc6 bc6 13.Nd4 Ne5 14.Be2 Be7 15.d3 d5; D) 10.Nf3 Ngf6 (10...d5 11.Be2 Ngf6 12.0-0 Bd6 13.Bb2 0-0 14.h3 Nc5 15.Qa1 Bf5; 10...Be7 11.d4 Ngf6 12.Bd3 0-0 13.0-0 h6 14.h3 c5 15.Bb2 Rd8) 11.h4 Be7 12.h5 h6 13.Be2 0-0 14.Bb2 Nc5 15.d4 ed4.

9.Nc3 Be7 A) 10.Nf3 Nf6 11.Be2 0-0 12.0-0 Bf5 13.Nh4 Be6 14.f4 ef4 15.ef4 d5; B) 10.d4 ed4 (10...Nf6 11.Nf3 e4 12.Nd2 d5 13.bc6 bc6 14.Be2 0-0 15.Bb2 Nbd7) 11.Qd4 Qa5 12.Qa4 Qa4 13.Na4 Bf6 14.Bf6 Nf6 15.Nf3 Ke7; C) 10.Bd3 Nf6 (10...Nd7 11.Nf3 Ngf6 12.0-0 0-0 13.Be2 Nc5 14.Bb2 Bd7 15.Qa1 Bf5) 11.Nh3 Nbd7 12.Na4 e4 13.Be2 0-0 14.0-0 Ne5 15.b6 Qd8; D) 10.bc6 bc6 11.Nf3 Nf6 12.Be2 0-0 13.0-0 Na6 14.Qc1 Nb4 15.Qb2 Nbd5.

9.Nc3 Nf6 10.Nf3 (10.Bb2 Be7 (10...Nbd7 11.Nf3 Be7 12.d4 d5 13.Be2 0-0 14.Nh4 g6 15.0-0 ed4) 11.Nf3 0-0 12.Be2 Bf5 13.Nh4 Be6 14.0-0 Nbd7 15.f4 Nc5; 10.Be2 Nbd7 (10...Be7 11.Nf3 0-0 12.h3 Nbd7 13.0-0 Nc5 14.Bb2 Bd7 15.Qa1 Bf5) 11.Nf3 Be7 12.0-0 0-0 13.Qb1 Nb6 14.Bb2 Bf5 15.bc6 bc6; 10.bc6 Nc6 (10...bc6 11.Nf3 Nbd7 12.Bb2 Be7 13.Be2 0-0 14.0-0 d5 15.h3 Bb7) 11.Nf3 Be7 12.Bd3 Nb4 13.Bb5 Bd7 14.Bd7 Qd7 15.Qb1 Nc6) 10...Be7 11.Be2 Nbd7 (11...0-0 12.0-0 Bf5 13.Bb2 Nbd7 14.Ng5 Nc5 15.g4 Bg6) 12.0-0 0-0 13.Bb2 Re8 (13...e4 14.Nd4=+ Ne5 15.f4 ef3; 13...Nc5 14.Re1 Nd5 15.d4 Nc3) 14.Qa1 (14.d4 d5 15.Qd2 e4) 14...d5 15.Na4 (15.h3 h6=) 15...Bd6=+ (15...e4=) 16.h3 cb5 (16...c5!?=+) 17.Bb5 Qc2 18.Ne5 (18.Ba3!? Qb3 19.Bd7 Bd7 20.Bd6=) 18...Ne5=+ 19.Be8 Nf3 (19...Ne8?! 20.Be5 Be5 21.Qe5 Qa4 22.Qd5=) 20.Kh1 Qg6 21.Bf6 (21.gf3 Qh5 22.Be5 Bh3–+) 21...gf6 (better 21...Qh5!? 22.Bh4 Qh4–+) 22.Nb6+– (22.gf3?! Qh6 23.Rg1 Kf8+=) 22...Nh4 (22...Be6 23.gf3 Qh6 24.Rg1 Kf8 25.Nd7 Ke7 26.Qf6 Qf6 27.Nf6 Kf6 28.Kg2+–) 23.Rg1 Be6 24.Bd7 (24.Qa8 Nf5 25.Nc8 Bc8 26.Qc8 Bf8+–) 24...Nf5 25.Qe1 (25.Rc1 Nh4 26.Rc8 Kg7+–) 25...Bc7 (25...Kg7 26.d4+–) 26.Be6 fe6 27.Na4 b6 (27...Qe8 28.Nc3+–) 28.Nc3 Kf7 29.Nb5 Bb8 30.Nd4 (30.d3 Qg5+–) 30...Nd6 (30...Nd4 31.ed4 Bf4+–) 31.Rf1 (31.Qe2 Ne4 32.Ra1 e5+–) 31...Ne4 (31...e5 32.Nc6 Bc7+–) 32.d3 (better 32.Qe2 e5 33.Qa6 ed4 34.Qb7 Kg8 35.Qb8 Kg7 36.d3+–) 32...Nc5+– 33.Qb1 Bc7? (better 33...Qd3 34.Kg1 Qb1 35.Rb1 Bc7+–) 34.Nb5+– Bb8 35.Rd1 (35.d4 Qb1 36.Rb1 Ne4+–) 35...Qf5 (35...Qg5 36.Kg1+–) 36.Kg1 Qe5 37.g3 Qf5 (37...Qh5 38.Kg2+–) 38.Kg2 h5 (38...Qh5+–) 39.Nd4 Qe5 40.Nc6 Qc7 41.Nb8 (41.Qb5 Qd6+–) 41...Qb8 42.Rc1 Qa8 (42...Nd7+–) 43.d4 Ne4 44.Rc7 Kg6 45.f3 Qa5 (45...f5 46.fe4 de4 47.d5+–) 46.Qc2 (better 46.fe4 de4 47.Qe4 Qf5 48.Qf5 Kf5 49.Kf3+–) 46...Qd2 47.Qd2 Nd2 48.Kf2 Nc4 49.Rb7 (49.Re7 b5+–) 49...Kf5 (49...f5 50.h4+–) 50.Rh7 Kg6 51.Rb7 Kf5 52.Ke2 e5 53.Rg7 (53.Rh7 Ke6+–) 53...b5 (53...Ke6 54.de5 fe5 55.Rh7+–) 54.Rb7 (54.Re7 ed4 55.ed4 Na3+–) 54...Na3 55.Rb6 Kg5 (55...ed4 56.ed4 Nc2 57.g4 Kg6 58.gh5 Kh5 59.Kd3 Ne1 60.Kc3 b4 61.Kb4 Nf3 62.Kc5+–) 56.de5 fe5 57.e4 de4 58.fe4 h4 59.Kf3 (better 59.Kf2!? Kh5+–) 59...Nc2 60.gh4 Kh4 61.Rh6 (61.Rb8 Nd4 62.Kg2 Kg5+–) 61...Kg5 62.Rb6 Nd4?? (62...Kh4 63.Rb8 Nd4 64.Kg2 Kg5+–) 63.Kg3+– Ne2 64.Kf2 Nd4 65.Ke3 b4 (65...Nc2 66.Kd3 Ne1 67.Kd2+–) 66.Kd3 b3 67.Rb8 Kh4 (67...Kf4 68.Rf8 Kg3 69.Rh8+–) 68.Rh8 Kg3 (68...Kg5 69.h4 Kg6 70.Kc3+–) 69.h4 b2 (69...Kf4 70.h5+–) 70.Rb8 Kh4 (70...Ne6 71.Rb2 Kf3 72.Kc4+–) 71.Rb2 Kg5 (71...Kg4 72.Kc4 Ne6 73.Rb6+–) 72.Rf2 Ne6 (72...Kg4 73.Kc4 Ne6 74.Rf5+–) 73.Rf5 Kg6 74.Re5 Kf6 75.Rf5 Ke7 76.Ra5 Kd6 (76...Nd8 77.e5 Nc6 78.Rb5+–) 77.e5 Ke7 (77...Kd7+–) 78.Ra7 Ke8 79.Ke4 Nc5 80.Kd5 Nd7 81.Ke6 (81.Rb7 Nf8 82.Kd6 Ng6 83.Rg7 Nh4 84.Ke6 Kd8 85.Kf6 Nf3 86.e6 Nd4 87.Rd7 Kc8 88.Rd4 Kb7 89.e7 Ka6 90.e8Q Kb6 91.Qb8 Kc6 92.Rc4 Kd5 93.Qb3 Kd6 94.Qd3) 81...Nc5 82.Kd6 Ne4 83.Kd5 Nc3 84.Ke6 Kd8 85.Ra8 (85.Kf7 Ne4 86.e6 Nd6 87.Kf8 Nf5+–) 85...Kc7 86.Kf7 Ne4 1–0. Navin,Kanna Tu (2055) – Braschi,Giancarlo (2170), XLIII WJun, Kochin IND (10), 2004.

9.Nf3 Nd7 A) 10.Nc3 Ngf6 (10...d5 11.Be2 Ngf6 12.h3 Be7 13.0-0 0-0 14.Bb2 Bd6 15.Qa1 Nc5) 11.Bb2 d5 12.h4 Be7 13.Be2 0-0 14.0-0 e4 15.Nd4 Ne5; B) 10.Bb2 Be7 (10...Ngf6 11.Nc3 Be7 12.Be2 0-0 13.h3 Nb6 14.0-0 Bf5 15.d4 Ra8) 11.Nc3 Ngf6 12.bc6 bc6 13.Be2 0-0 14.0-0 d5 15.h3 Bb7; C) 10.d4 Ngf6 (10...e4 11.Nfd2 Ngf6 12.c4 Be7 13.Nc3 d5 14.Qb3 0-0 15.Bb2 h6) 11.Be2 e4 12.Nh4 Nb6 13.g4 Qd8 14.Nc3 Ng4 15.Bg4 Qh4.

9.Nf3 Be7 A) 10.Bc3 Nf6 11.Bc4 0-0 12.0-0 cb5 13.Bb5 Nc6 14.Bb2 Bf5 15.Nc3 Ra8; B) 10.Bb2 Nf6 (10...Nd7 11.Nc3 Ngf6 12.Qa1 e4 13.Ng5 Nc5 14.Ba3 d5 15.bc6 bc6) 11.Be2 0-0 12.Nc3 Bf5 13.Nh4 Be6 14.0-0 Nd5 15.Nf3 Nd7; C) 10.Be2 Nf6 (10...Bf5 11.Nc3 Nf6 12.h3 0-0 13.g4 Be6 14.Ng5 Nbd7 15.Ne6 fe6; 10...Nd7 11.d4 Ngf6 12.Nbd2 0-0 13.Bd3 Nd5 14.0-0 Nb4 15.Be2 ed4) 11.Nc3 0-0 12.0-0 Nbd7 13.Bb2 Nc5 14.h3 Bd7 15.Qa1 Bf5; D) 10.Bd3 Nf6 (10...Nd7 11.0-0 Ngf6 12.Nc3 0-0 13.Be2 Nb6 14.d4 h6 15.bc6 bc6) 11.0-0 Nbd7 12.Be2 0-0 13.Nc3 Nc5 14.Bb2 Bd7 15.Qa1 Bf5.

9.Nf3 Nf6 10.Na3 Nbd7 (10...e4 11.Ng5 Nbd7 12.Bd4 h6 13.b6 Qd8 14.Nh3 d5 15.Qa1 Bd6; 10...Be7 11.Bd3 Nbd7 12.Nc4 0-0 13.0-0 Nc5 14.b6 Qd8 15.Be2 Na4; 10...Bf5 11.Bd3 Bd3 12.cd3 Be7 13.0-0 0-0 14.bc6 bc6 15.Qc2 Na6) 11.Nc4 Be7 12.Be2 0-0 13.0-0 cb5 14.Na3 b4 15.Nb5 Qc6.

9.Nf3 Nf6 10.Bb2 Be7 (10...Nbd7 11.Nc3 d5 12.h4 Nc5 13.Be2 Be7 14.Ne5 Qe5 15.d4 Qc7; 10...e4 11.Nd4 c5 12.Ne2 Nbd7 13.Nbc3 Ne5 14.Nf4 Qa5 15.Nfd5 Nd5) 11.Nc3 0-0 12.Be2 Bf5 13.0-0 Nbd7 14.Nh4 Be6 15.f4 ef4.

9.Nf3 Nf6 10.Nc3 Be7 (10...Nbd7 11.Be2 Be7 12.0-0 0-0 13.Bb2 Nc5 14.d4 ed4 15.ed4 Nce4) 11.h4 Nbd7 12.Be2 0-0 13.0-0 Nc5 14.Bb2 Bf5 15.d4 Ne6.

9.Nf3 Nf6 10.Bc4 e4 (10...Be7 11.Nc3 d5 12.Be2 0-0 13.0-0 e4 14.Nd4 c5 15.Nb3 Be6; 10...Nbd7 11.Nc3 d5 12.Be2 Bd6 13.0-0 0-0 14.bc6 bc6 15.h3 Bb7) 11.Nd4 d5 12.Be2 c5 13.Nb3 Nbd7 14.Nc3 Bd6 15.f4 d4.

9.Nf3 Nf6 10.Be2 Be7 11.0-0 Be6 (11...0-0 12.Nc3=) 12.c4 (12.Ng5 Bd7 13.Nc3 h6=) 12...cb5 (12...h6 13.Nc3=+) 13.cb5= 0-0 14.Nc3 (14.Ng5 Rc8=) 14...Nbd7 (14...h6 15.Qb1=) 15.Qb1 (15.Ng5 d5=) 15...d5 Black plans e4 (15...h6 16.Rc1 Qa5 17.d4=) 16.Ng5 Qa5 (16...Ra8 17.Rc1 Qd6 18.Ne6 fe6 19.Rc2=) 17.h3 (17.Qc2 Rc8=) 17...Nc5 Black intends e4 18.Bg4 (18.d4 ed4 19.ed4 h6 20.dc5 hg5=) 18...e4 (18...g6 19.Ne6 Ne6 20.Bf3=+) 19.Ne6 fe6 20.Be2 e5 (20...Bd6 21.f4=+) 21.d4= ed3 22.Bd3 Nd3 (22...Rd8 23.Bb2=) 23.Qd3 Rd8 Black prepares d4 (23...Qa3 24.Rd1 Ra8 25.Qf5+=) 24.Bb2 (24.Qf5 Qc7+=) 24...Qb4 Black plans d4 25.Rb1 Qc4 (25...e4 26.Qe2=) 26.Qf5 (26.Qc4 dc4 27.Rc1 Rc8=) 26...d4 27.ed4 ed4 28.Ne4 Qd5 (28...Ne4 29.Qe4 Bf6 30.Ba1=+ (30.Qb7? Qc2 31.Re1 Qb2–+)) 29.Nf6 Bf6 30.Qd3 Qa2 31.Ba3 Rc8 32.Bd6 (32.Re1 Qd5=) 32...Qd5 (32...Qc2 33.Qc2 Rc2 34.b6–/+) 33.Bg3 (33.Bb4!?=+) 33...Rc3–/+ 34.Qe2 h6 35.Ra1 (35.Rd1 d3 36.Qe8 Kh7–/+) 35...d3 36.Ra8 (better 36.Qe8!? Kh7 37.Rd1–/+) 36...Kh7–+ 37.Qe8?? (37.Qd2–+) 37...d2 38.Qh8 Kg6 39.Qe8 Kh7 40.Qh8 Kg6 41.Qe8 Kf5 42.Qh5 g5 43.Qg4 Kg6 44.Rg8 0–1. Kevlishvili,Nika (1860) – Mashalov Aliniyaz (1615), World Cadets Championship U12, 2016.

8.c4 d5 9.Nf3 Nbd7 10.d4 =.

8.c4 d6 9.Nf3 Bg4 10.Be2 Nbd7 11.0-0 e5 12.d4 e4 13.Nfd2 Be2 14.Qe2 d5 15.c5 Be7 16.f3 ef3 17.Nf3 0-0 18.Nc3 b5 19.Bb2 Ne8 (19...Nb8 20.Ra1=) 20.Nd2 Bd8 21.Rf3 Ndf6 22.e4 de4 23.Nce4 Nd7 (better is 23...Nd5=) 24.Nd6?? (24.d5 cd5 25.Nc3 Nef6+/–) 24...Nef6?? (better is 24...Nd6 25.cd6 Qd6–/+) 25.N2e4 (25.d5 cd5 26.Rb3 Qb8 27.Bf6 Bf6 28.Qb5 Qa7+=) 25...Be7 (25...Ne4 26.Qe4 Nf6 27.Qe5+=) 26.Rf5 (26.Nf5 Bd8 27.d5 cd5 28.Ned6+–) 26...Qd8 27.Nf6 0–1. Kevlishvili,Nika – Kacharava,Nikoloz (1715), Budva MNE, 2013.

8.c4 e6 9.b5 (9.Bf6 gf6 10.c5 d6=) 9...cb5 10.cb5 Be7 11.Nf3 0-0 12.Be2 (12.Bd3 d6=) 12...d5 (12...d6 13.Bf6 Bf6 14.0-0=) 13.Be5 Bd6 14.Bd6 Qd6 15.Qb3 (15.d4 Bd7 16.0-0 Ne4+=) 15...Nbd7 (15...e5 16.d4 e4 17.Ne5=) 16.d4 Ne4 (16...e5 17.de5 Ne5 18.Nd4=) 17.0-0+= Ndf6 18.Nbd2 Bd7 19.Bd3 Rc8 20.Be4 Ne4 (20...de4 21.Ne5=) 21.Ne4+= de4 22.Nd2 Qd5 23.Qd5 ed5=+ 24.Rb1 Rc2 25.Nb3 Bb5–/+ 26.Nc5 b6 27.h3 Kf8 28.Nb7 Bd3 29.Rb6 Ke7 30.Nc5 Rc1 31.Kh2 Rc2 32.Kg3 h5 33.Rb7 Ke8 34.h4+= g5 35.hg5+/– h4 36.Kh4 Rf2 37.Kg3 Re2 38.Kf4 Rg2 39.Kf5 Rf2 40.Ke5 Bc4 41.Nd7+– (41...Ba6 42.Nf6 Kd8 43.Rf7+–) 1–0. Kreuzer,Uwe – Birkle, corr, 1984.

8.Nf3 b5 9.Be2 =.

8.Nf3 d6 9.d4 Nbd7 10.c4 (10.Nbd2 e6=) 10...g6 (10...e5 11.Nc3=) 11.Be2 Bg7 12.0-0 0-0 13.b5 c5 14.Nc3 b6 (14...cd4 15.Qd4 Nb6 16.Nd5 Nbd5 17.cd5=) 15.Bb2 Bb7 16.Qc2 (16.d5 Ra8+=) 16...e5 (better 16...Bf3!? 17.Bf3 cd4 18.ed4 Qc4=+) 17.de5+= de5 18.Rd1 (18.e4 Ra8+=) 18...Rd8 (18...e4 19.Nd2 Rd8 20.Ra1+=) 19.Ne1 (19.e4 h6+=) 19...Nf8 20.Bf3 Ne6 21.Bb7 Qb7 22.Rd8 Nd8 23.Qd3 Ne6 24.Nd5 Nd5 25.cd5 (25.Qd5 Qd5 26.cd5 Nf8+=) 25...Nd8 (25...e4!? 26.Qe4 Bb2–/+) 26.e4 Qd7 27.Qc4 Nb7 28.Nd3 (28.Qa4!?+=) 28...Nd6=+ Exerts pressure on the isolated pawn 29.Qa4 f6 30.Qa8 Bf8 31.Qc6 (better 31.Qa4 Qb5 32.Qb5 Nb5 33.Nc1–+) 31...Qe8?? (better 31...Qa7 32.h3 Qa2–+ (32...Ne4?! 33.f4=)) 32.Qb6 (32.f3!?+=) 32...c4 33.Nc5 Qb5 34.Qb5 Nb5 35.Nd7 Ba3?? (better 35...c3 36.Bc1 Ba3 37.Ba3 Na3–/+) 36.Ba3+– (36.Nf6 Kf7 37.Be5 c3 38.Nh7 c2=) 36...Na3 37.Nc5?? (better 37.Nf6 Kf7 38.Ng4+– (38.Nh7?? c3–+)) 37...c3=+ 38.Kf1 c2 39.Nb3 Nb5 (better 39...f5 40.Ke2 fe4=+) 40.Ke2?? (better 40.Ke1 Nd4 41.Nc1=) 40...Nd4–+ 41.Kd2 Nb3 42.Kc2 Nd4 43.Kd3 Kf7 44.f3 (44.f4 Ke7 45.h3 Kd6–+) 44...Ke7 45.Kc4 (45.h3 Kd6–+) 45...Kd6 46.Kd3 Nb3 47.Kc3 Nc5 48.Kc4? (48.Kd2 f5 49.Ke3 h5–+) 48...Nd7 (better 48...f5 49.ef5 gf5 50.h4–+) 49.Kc3 f5 50.Kd3 f4 51.Kc4 Nf6 52.Kb5? (52.Kd3 g5–+) 52...g5 (52...Nd5 53.g3 Ne3 54.gf4 ef4 55.h3–+) 53.Kc4 h5 Black plans g4 54.Kd3 (54.h3 g4 55.hg4 hg4–+) 54...g4 55.Ke2 Nh7 56.Kd3 Ng5 57.Ke2 g3 (better 57...h4 58.Kf2–+) 58.h3 h4 59.Kf1 (59.Ke1 Nh7 60.Ke2 Nf6–+) 59...Nf7 (59...Nh7 60.Ke1–+) 60.Kg1 Kc5 61.Kf1 Nd6 62.Kg1 Kd4 (62...Nc4 63.Kh1 Ne3 64.Kg1 Nd5 65.ed5 Kd5 66.Kf1–+) 63.Kf1 Ke3 64.Kg1 Ke2 65.Kh1 Kd3 (65...Ne4 66.Kg1 Nf2 67.d6 e4 68.d7 Nh3 69.gh3 ef3 70.Kh1 f2 71.d8Q f1Q) 66.Kg1–+ Kc4 67.Kf1 Kc5 68.Ke2?? (68.Kg1 Nb5 69.Kf1–+) 68...Nb5 69.Kd3 Nc7 70.Kc3 Nd5! 71.Kd3 (71.ed5 e4 Decoy) 71...Nb4 72.Ke2 Nc6 (72...Nc6 73.Ke1 Nd4–+) 0–1. FeegLood (2560) – Blitzstream_twitch (2375), lichess.org, 2015.

8.Nf3 e6 9.Bf6 (9.Be5 d6 10.Bf6 gf6 11.b5 e5 12.d4 d5 13.c4 Bb4 14.Nbd2 e4 15.Nh4 Qa5 16.cd5 cd5=) 9...gf6 10.c3 d5 11.Be2 (11.d4 e5= 12.Nbd2 e4 13.Nh4 Bd6 14.g3 b6 15.f3 f5 16.Qb3 f4=) 11...e5 12.0-0 (12.d3 Rg8 13.g3 Be6 14.Nbd2 Nd7 15.Qa1 Bd6 16.d4 e4=) 12...Be7 (12...Bd6 13.h3= (13.d3 f5 14.h3 Rg8 15.Kh1 Be6 16.Nbd2 f6=) 13...Be6 14.Qc2 b6 15.e4 Qd7 16.ed5 Bd5=; 12...Rg8 13.Nh4 Bd6 14.Qc2 e4 15.g3 f5 16.f4 Be6=) 13.Qc2 (13.Kh1 Be6 14.d3 Nd7 15.Nbd2 0-0 16.d4 Ra8=) 13...0-0 (13...Bd6 14.d3= (14.Nh4 e4 15.g3 f5 16.d3 Qe7=) 14...Rg8 15.Nbd2 Bh3 16.Ne1 Bf5=) 14.d3+= Be6 15.Nbd2 Nd7 (15...c5 16.b5 f5+=) 16.Ra1 Rc8 (16...b5 17.Kh1=; 16...b6=) 17.d4 e4 18.Ne1 b6 19.Qd1 c5 20.bc5 bc5 21.g3 Nf8 22.Ng2 Ng6 23.h4 cd4 24.cd4 Bd6 25.Nb3 Kg7 26.h5 Ne7 27.Nf4 Qc3 28.Bg4 Bf4 29.gf4 Kh6 30.Be2 Rg8 31.Kh2 Nf5 32.Rc1 Qb2 33.Rb1 Qa3 34.Qc1 Qa8 35.Ra1 Qf8 36.Nc5 Nh4 37.Ne6 fe6 38.Qf1 Nf3 39.Bf3+= ef3 40.Qh3 Rg2 41.Kh1 Rf2 42.Qg3 Rc2 43.f5 Rg2 44.Qf3 Rg5 45.fe6 Qe7 46.Ra6+= Rh5 47.Kg1 Rg5 48.Kf1+= Kg7 49.Qf2 Qb7–/+ 50.Ra1 Qb5 51.Ke1+= Qb4 52.Kd1 Qb3 53.Kc1 Qc3 54.Kb1 Qb3 55.Kc1 Qc3 56.Kb1 Qc7 57.Kb2 h5 58.Qc2 Qb6 59.Kc3 Qc6 60.Kb2 Qb5 61.Kc3 Qc4 62.Kb2 Qb4 63.Ka2 Qb6 64.Rb1 Qa6–+ 65.Kb3 Qe6 66.Ka4 Qa6 67.Kb4 Kh8 68.Rh1 Rg7 69.Rh5 Kg8 70.Rd5 Rb7 71.Kc3 Qa3 72.Kd2 Rb2 73.Rc5 Rc2 74.Rc2 f5 75.Ke2 f4! 76.ef4 Qg3 77.Rc5 Qf4 78.Kd3 Qf3 79.Kd2 Qe4 80.Kc3 Qe3 81.Kc4 Kf7 82.Re5 Qd2 83.Kc5 Qd3 84.Kd5 Kf6 85.Kc5 Qb3 86.Kd6 Qc4 87.Rd5 Qa4 88.Kc7 Ke6 89.Re5 Kf7 90.Rf5 Kg6 91.Rd5 Qc4 92.Rc5 Qd4 (92...Qd4 93.Kc6 Kf6–+) 0–1. Buczinski,Henryk – Canizares Cuadra,Pedro, corr IECG RM–2010–O–00047, 2010.

8.Nf3 g6 9.Nc3+= Bg7 10.Ne4 d5?? (Better is 10...0-0 11.Nf6 ef6+=) 11.Be5+– (11…Qb6 12.Nf6 (12.Bb8 de4 13.Nd4 Qb4–/+) 12...Bf6 13.Bb8 Qb4 14.c3+–) 1–0. Behrmann,Klaus – Falato,J, corr, 1997.

6.ab4 Ra1 7.Ba1 d5 8.f4 e6 9.Nf3 Nf6 10.b5 Bd7 11.Nc3 Qa5 12.Nd4 Bb4 13.Nb3 Qb6 14.Bd3 0-0 15.0-0 cb5 16.Nd4 Bc6 17.g4 Nbd7 18.g5 Ne4 19.Qh5 Ndc5 20.Rf3 Ra8 21.Bb2 g6 22.Qh4 Nd2 23.Rh3 h5 24.gh6 Nf3 25.Rf3 Ne4 26.h7 Kh8 27.Ne4 g5 28.Qh6 Ra1 29.Ba1 Qa6 30.Qf6 Kh7 31.Rh3 Kg8 32.Rh8# 1–0. Paige – COMP, Galashiels, 1996.

6.ab4 Ra1 7.Ba1 Nf6 8.Nf3 d5 9.Be2 Bg4 10.0-0 (10.Bf6 ef6 11.b5 Qb6=) 10...e6 11.b5 Bd6 12.bc6 (12.Nc3 0-0=) 12...Nc6 13.Nc3 0-0 14.Nb5 Be7 (14...e5 15.h3 Bf3 16.Bf3=) 15.Ne5 Be2 16.Qe2 Qa5 17.Bc3 Qa4 18.Ra1 Qh4 (18...Qc2 19.Nc6 bc6 20.Nd4=) 19.f3 (19.d3 Rc8=) 19...Qh5 20.Nc6 (20.Nd3 e5=) 20...bc6 21.Na7 Bd6 22.g3 Qf5 (22...Ne4 23.Nc6 Nc3 24.dc3=+) 23.d4 (23.Ra6 Qc2 24.Bf6 gf6 25.Rc6 Qb1 26.Qf1 Qf1 27.Kf1 Ra8 28.Rd6 Ra7+=) 23...c5=+ 24.Nb5 Be7 25.Ra7 Re8 26.g4 (26.Nc7 Rb8=+) 26...Qg5= 27.Bd2 h5 (27...Qg6 28.Qd3 Qh6 29.Qe2=+) 28.e4= Qg6 29.e5 cd4 30.Qd3 Ne4 31.fe4 Qg4 32.Kf1 de4 33.Qg3 Qd1 34.Be1 e3 35.Qg2= d3 36.cd3 Qd3=+ 37.Qe2 Qf5 38.Kg1 Qe5 39.Rd7 Qg5 40.Kh1 Rd8 41.Rd8 Bd8–+ 42.Nc3 Qe5 43.Nd1 Bb6 44.h3 Bd4 45.Kg2 g6 46.Qf3 f5 47.Qc6 Qd5 48.Qd5 ed5 49.Kf3 g5 50.Ne3 Be3 51.Ke3 Kf7 52.h4?? f4?? (52...gh4 53.Bh4 Ke6–+) ½–½. Rosner,Dirk – Markus,Roland, DESC, 2000.

5.b5 d5 6.h3 (6.c4 Nf6+=) 6...Bd7 (6...Bf5 7.Nf3+=) 7.Qe2 (7.c4 dc4 8.Bc4 Nf6+=) 7...a4 8.g4 (8.c4 dc4 9.Qc4 Be6=) 8...Ra5 Will b5 fall? (better 8...c4=+) 9.Bg2?? (better 9.Qf3!?=) 9...Bb5 (better 9...Rb5 10.Nc3 Rb2 11.Nd5 Qd6–+) 10.d3–/+ Bc6 11.Bc3? (better 11.Bc1–/+) 11...Rb5–+ 12.Bd2 (12.Qd1 d4 13.Bc6 Qc6 14.Qf3–+) 12...Rb1 13.Rb1 Qb1 14.Qd1 Qa2 15.Ne2 (15.Bc1 e6 16.Ne2 c4–+) 15...Nd7 (better 15...Qa3 16.e4 de4 17.de4–+) 16.Nc3 Qa3 17.Nd5 Ngf6 (17...Bd5!? 18.Bd5 Qb2 19.Qc1–+) 18.Nc7 Kd8 19.Bc6 Kc7 20.Bd7 (20.Bg2 Qb2–+) 20...Nd7 21.Qf3 (21.Qb1 e5–+) 21...Qa1 22.Ke2 Qf6 23.Qg3 Qd6 0–1. adabriwala – shnok2 (1795), lichess.org, 2019.

5.c3 Nf6 6.b5 a4 7.c4 d5 8.Nc3 (8.d4 Bg4 9.Nf3 Nbd7+=) 8...dc4 (8...d4!? 9.Nd5 Nd5 10.cd5 e5 11.de6 Be6=) 9.Bc4+= Bf5 (9...Qa5 10.Nf3+=) 10.Na4+/- Qa5 (10...Qa7 11.Nc3+/-) 11.Nc3 (better 11.Nc5!? e6 12.Nb3+-) 11...e6+/- 12.Nf3 Be7 13.0-0 Nbd7 14.d4 0-0 15.d5 Rfd8 (15...Nb6 16.Qb3 Rad8+=) 16.Nh4 (16.Qb3 Nb6 17.de6 Nc4 18.ef7 Kf8 19.Qc4 Bd3+-) 16...Ne5 (better 16...Bg4!? 17.f3 Nb6=+) 17.Nf5+/- ef5 18.Ba2 c4 19.a4 (better 19.Bb1!?+/-) 19...Bb4 20.Qc2 Nd3 21.Ne2 Nb2 22.Qb2 Ne4? (22...c3 23.Qc2=) 23.Qc2 (23.Bc4!? Be7 24.Ra2+-) 23...Rac8 (better 23...Nd6 24.Bb1 Nb5 25.Qf5 g6+=) 24.Bc4?? (24.Rfd1 Nd6+/-) 24...Rd5?? (better 24...Nd6!?-/+) 25.Qb3 (25.Qa2!? Rd2 26.Bf7 Kh8 27.Qe6+/-) 25...Rd7 (better 25...Nd2 26.Bd5 Nb3 27.Bb3 Rd8+=) 26.Nd4?? (better 26.Rfd1 Nd2 27.Qa2+/-) 26...Nd2-/+ 27.Qb2? (27.Bf7 Rf7 28.Qe6 Rd8-/+) 27...Nf1 (better 27...Bc3 28.Bf7 Rf7-+ (28...Kf7?! 29.Qa2 Kf8 30.Rad1-+)) 28.Nf5? (better 28.Rc1 Nd2 29.Bf7 Kf7 30.Rc8 Qa4 31.Rc1-+) 28…Bc3 (28...Bc3 29.Qa2 Rc4 (29...Ba1 30.Qa1 Qc3 31.Qc3 Rd4 32.Qd4 Kf8 33.Qd7 Rc4 34.Qd8) 30.Qc4 Ne3-+) 0-1. Jimito100 (1995) - sereda12345 (2020), Rated Bullet game, lichess.org, 2020.

5.bc5 Qc5 6.Nf3 Nc6+-.

5.Bd4 Qc7 6.Nf3 e5 7.Bb2 Qb6 8.Nc3 (8.b5!?=) 8...ab4=+ 9.ab4 Ra1 10.Qa1 Nf6 (10...Qb4!? 11.Be2 Nf6=+) 11.Qa8 Nfd7 12.Ba3 Be7 13.b5 0-0 14.Bd3 f5 15.Bc4 (15.Ng5 Bg5 16.Bd6 cb5 17.Bf8 Kf8 18.Bf5 Qa6 19.Qa6 ba6 20.Bh7 Be7=) 15...Kh8= 16.h4 (16.Bb3 Re8+= (worse 16...cb5 17.Nd5 Qd8 18.Ne5+–)) 16...Rd8 (16...e4 17.Nd4 Ne5 18.Na4=) 17.Ng5 Bg5 18.hg5 d5 (18...cb5 19.Nb5 d5 20.Be2+=) 19.Bb3 (better 19.Be2 cb5 20.Nd5+= (20.Bb5? d4–+)) 19...c5? (better 19...d4!? 20.Bb4 Qc7 (worse 20...cb5 21.Ba5 Qa6 22.Qa6 ba6 23.Bd8 dc3 24.Bd5+–) 21.ed4 ed4=) 20.Nd5+– Qb5? (better 20...Qg6+–) 21.Ne7+– c4 (21...g6 22.Ng6 Kg7 23.Ne5 Ne5 24.Qb8 Re8+–) 22.Qa5!! (22.Qa5 Nb6 23.Qb5+–) 1–0. FeegLood (2750) – smurf42 (2615), lichess.org, 2015.

5.Bd4 Qc7 6.Nf3 e5 7.Bb2 Nf6 8.c4 Bg4 9.Be2 Nbd7 10.0-0 Be7 11.Nc3 0-0 12.Qc2 Rfe8 13.Rfc1 Bf8 14.e4 Nh5 15.h3 Bf3 16.Bf3 (worse is 16.gf3 Nf4 17.Bf1 Qd8–/+) 16...Nf4 17.Ne2 Ne6 18.g3 g6 19.Qd3 h5 20.Kh2 ab4 21.ab4 Qb6 22.Kg2 Qb4 23.Rcb1 Ndc5 24.Qc2 Qb3 25.Qb3 Nb3 26.Ra8 Ra8 27.Bc3 Nbc5 28.h4 Ra4–+ 29.Rb4? Rb4 30.Bb4 Nd3 31.Ba3 b5 32.cb5 cb5 33.g4 b4 (33...b4 34.Bb4 hg4 35.Bg4 Nb4 36.Be6 fe6–+) 0–1. Leon Manas,Jose F (1720) – Vega Gutierrez,Sabrina (2325), Las Palmas ESP, 2011.

5.Bd4 Qc7 6.ba5 (6.b5+=) 6...Nf6 (6...Ra5 7.f4=) 7.Nf3 (better 7.Bb6!? Qd6 8.Nf3+/-) 7...d5 8.Bf6 Bc5?? (8...gf6 9.c4=) 9.Nh4 (better 9.Bg7!? Rg8 10.Bc3 Nd7+-) 9...Be3?? (better 9...gf6 10.Qg4 Ra5=) 10.Nc3 (10.Bg7 Rg8 11.fe3 Rg7+-) 10...Ra5? (10...Bd2 11.Qd2 gf6+-) 11.d3 (better 11.Bg7!? Rg8 12.fe3 Rg7+-) 11...c5?? (better 11...Qf4 12.fe3 Qf6 13.Nd5 Qh4 14.g3 Qg5-/+) 12.Qc1?? (better 12.Bg7 Bd4 13.Bd4 cd4 14.Ne2+-) 12...e5 (12...Bc1 13.Bg7 Rg8 14.Rc1 Rg7 15.g3 Ra3 16.Nb1-+) 13.Nd1 (better 13.Nd5!? Bc1 14.Nc7 Kd7 15.Be5 Bh6+-) 13...Nc6 (13...Bc1 14.Bg7 Rg8 15.Rc1 Rg7 16.Ne3-+) 14.f4 (14.Ne3!? gf6 15.Nd5 Qd8+-) 14...b5 (better 14...Bc1 15.Bg7 Rg8 16.Be5 Ne5 17.Rc1 Nd3 18.Bd3 Qf4-+) 15.Ne3 (15.Qe3?! gf6 16.fe5 fe5+-) 15...b4 (15...gf6 16.Nd5 Qd8 17.Nc3+-) 16.Qb2 White prepares f5 (better 16.Nd5 Qd6 17.Bg7 Qd5 18.Bh8 ef4 19.ab4 Ra1 20.Ba1 Nb4+-) 16...Ra6 (16...gf6 17.Be2+-) 17.c3 (better 17.Bg7 Qa5 18.a4 Rg8 19.Be5 Be6+-) 17...b3 (17...gf6 18.Nd5 (worse 18.ab4 Ra1 19.Qa1 ef4+-) 18...Qd6 19.c4+-) 18.Kd2 (better 18.Bg7 Qe7 19.Nhf5 Bf5 20.Nf5 Qe6 21.Bh8 ef4 22.Be2 Qf5 23.Qb3 Ra8+-) 18...Qb8 (18...gf6 19.Nd5 Qd6 20.Qb3+-) 19.f5 (19.Bg7 Rg8 20.Be5 Ne5 21.fe5 Ra4+-) 19...Be6?? (19...gf6 20.Nd5 Ne7+-) 20.Be2 (better 20.Bg7 Rg8 21.fe6 fe6+-) 20...Na7 (20...gf6 21.fe6 fe6+-) 21.Ra2 Ra3?? (21...ba2 22.Qb8 Double attack (22.Qb8 Pinning; 22.Qb8 Deflection)) 22.Qc2 (better 22.Ra3 d4 23.Bg7 de3 24.Kc1+-) 22...Ra2-+ (22...bc2?! 23.Ra3 Nb5 24.Rb3= (24.Bg7 Na3 25.Nc2 Qb2 26.fe6 Qc2 27.Ke3 Rg8 28.ef7 Kf7 29.Be5 d4 30.cd4 cd4 31.Kf2 Qd2 32.Bd4 Re8-+)) 23.Be5 (23.Qa2 ba2 24.Bg7-+) 23...Qd6 (better 23...Rc2 24.Nc2 Qe5 25.fe6-+) 24.Bf6 (better 24.Qa2! Qe5 25.Qa7+-) 24...d4 (24...bc2 25.fe6 c1Q 26.Kc1 Qb6 27.Nc2 Qb2 28.Kd2 Qc2 29.Ke3 Qe2 30.Kf4 Qd2 31.Kg3 Qd3 32.Nf3 gf6 33.ef7 Kf7 34.Kh3 Rg8 35.Rg1 Qf5 36.g4 Qf3 37.Rg3 Qf1 38.Kh4 Rh2 39.Rh3 Rh3) 25.Bh5 (25.Qa2 de3 26.Ke3 ba2 27.Bg7 Rg8 28.fe6 Rg7-+) 25...Ra4 (better 25...de3 26.Ke3 bc2-+) 26.Qb1 Qh2 (26...de3 27.Ke2 gf6 28.fe6 Qe6 29.Kf1 Rh4 30.Bd1-+) 27.c4 (better 27.Rh2 de3 28.Ke3 Bd7 29.Bg7 Rg8 30.Qb3 Rg7+-) 27...Bc8 (better 27...Ra2 28.Qa2 ba2 (28...de3?! 29.Ke2 ba2 30.Rh2 gf6 31.Rh1=+) 29.Rh2 a1Q-+ (29...de3?! 30.Ke3 gf6 31.Rh1=)) 28.Ke1 (better 28.Rh2 de3 29.Kc3 gf6 30.Qe1+-) 28...Qd6 (better 28...Qh1 29.Nf1 gf6-+) 29.Nf1?? (29.Bg7 Qg3 30.Kd1 Qg7 31.Nd5-+) 29...Qb8 (better 29...Qf6 30.Qb3 Rb4-+) 30.Qa1 (30.Bd1 gf6 31.Qb3-+) 30...Kd7 (better 30...Ra1 31.Kf2 b2 32.Bd4 cd4-+) 31.Bd4 (31.Qa4 Nc6 32.Bf3 Bb7 33.Bg7 b2+-) 31...Kd8 (better 31...Ra1 32.Ba1 Re8 33.Kf2-+) 32.Ne3 (better 32.Bf6 gf6 33.Qf6 (33.Qa4?! b2 34.Nd2 b1Q 35.Nb1 Qb1 36.Bd1 Re8 37.Kd2 Qb6=) 33...Kd7 34.Qf7 (34.Qh8 b2 35.Nd2 Ra1 36.Bd1 Rd1 37.Kd1 b1R 38.Nb1 Qb1 39.Ke2 Qh1-/+) 34...Kc6 35.Qf6 Qd6 36.Bf3 Kc7 37.Qh8+-) 32...Kd7 (32...Ra1 33.Ba1 b2 34.Bb2 Qb2 35.Bf7-+) 33.Nf1 (better 33.Qa4 Nc6 34.Bf3 Qb4 35.Qb4 Nb4 36.Bg7 Nd3 37.Kd2+-) 33...cd4 (better 33...Ra1 34.Ba1 Re8 35.Kf2 b2 36.Bb2 Qb2 37.Kg3 g6-+) 34.Bg4?? (better 34.Qa4!? Nc6 35.Bf3 (35.Bf7?! b2 36.Nd2 b1Q 37.Nb1 Qb1 38.Qd1 Qd1 39.Kd1 Kd6+/-) 35...Qb4 36.Qb4 Nb4 37.Be4+-) 34...Kd6 (better 34...Ra1 35.Kf2 h5 36.Be2-+) 35.Bh5?? (better 35.Qa4 b2 36.Qa3 Kd7 37.Nd2+=) 35...Qa8 (better 35...Ra1 36.Kf2 b2-+) 36.g3 (better 36.Qa4 Qb8 37.Nd2+- (37.Bf7?! b2 38.c5 Ke7+-)) 36...Rc4 (36...Ra1 37.Kf2 Qh1 38.c5 Kc7 39.Be2 Re8 40.g4 Re2 41.Kg3 g5 42.c6 Rf1 43.Nf3 Qf3) 37.dc4+= Rg8?? (37...Qe4 38.Kf2 A) 38...Qh1?? 39.Qd4 (39.Qa7?! Qb7 40.Qd4 Kc7+-) 39...Ke7 A1) 40.Qa7 Qb7 41.f6 Kf6 (41...gf6?? 42.Nf5 Kd8 43.Qd4 Bd7 44.Qf6 Kc7 45.Qh8+-) 42.Qd4 Ke7+-; A2) 40.Bf3 Qf3 41.Nf3+-; B) 38...Nc6+=) 38.Qd1 (better 38.Qd4 Kc7 39.Qe5 Kd8 40.Bf7+-) 38…Kc6 (38...Kc6 39.Qf3 Kc7 40.Qa8 Nc6 41.Bf7 Rd8+-; 38...Qh1?? 39.Qd4 Kc7 40.Bf3 (40.Qa7?! Qb7 41.Qc5 Qc6 42.Qe5 Qd6 43.Qa5 Qb6 44.Qe5 Qd6 45.Qa5 Qb6 46.Qe5 Qd6=) 40...Qf3 41.Nf3+-) 0-1. hurvajsmanka (1715) - Cartman73 (2100), Rated Bullet tournament, lichess.org, 2015.

5.Nf3 Nf6 6.Be2 (6.Bd4!? Qc7 7.b5+=) 6...ab4= 7.Ne5 (7.0-0!?=) 7...d5–/+ 8.0-0 Be7 9.Bh5 (9.ab4!? Ra1 10.Ba1 Bb4 11.Nd3+=) 9...Nh5–/+ 10.Qh5 0-0 11.Ng4? (11.ab4!? Ra1 12.Ba1 Qb4 13.Nc3–/+) 11...f6 (11...b3 12.cb3 Qb3 13.Bc3–+) 12.f4 (better is 12.ab4!? Ra1 13.Ba1–+) 12...ba3 13.Ba3 (13.Ra2 ab2 14.Ra8 Nd7–+) 13...Ba3 14.Ra3 (14.Na3?? Qc5–+) 14...Ra3 15.Na3 Qb2 16.Rf3 (16.Nb1–+) 16...Qa3 17.Nh6 (17.Rf1 Qb2–+) 17...gh6 18.Rg3 Kh8 19.Qh6 (19.h3 Rg8 20.Rg8 Kg8–+) 19...Qe7 (better is 19...Qc1 20.Kf2 Qd2 21.Kf3 Qd1 22.Kf2–+) 20.Rg6 (20.Qh5 Nd7–+) 20...Bd7 21.g4 (21.Qh4–+) 21...Be8 22.Rf6 Qf6 23.Qf6 Rf6 0–1. jeich (1745) – spargeltarzan (1680), gameknot.com, 2013.

5.ab4 Ra1 6.Ba1 Qb4 7.Nc3 b5 8.Nf3 d6 9.d4 (9.e5 Bg4–/+) 9...g6 (9...Nf6 10.Bd3=+) 10.Be2 Bg7 11.0-0 Nf6 12.Qd2 (12.Na2 Qa5 13.e5 Qa2 14.ef6 Bf6–/+) 12...0-0 13.Rb1 Qa3 14.e5 de5 15.de5 Nfd7 16.Ne4 Qa2 17.Rd1 Bb7 (17...Qe6 18.Nfg5 Qa2 19.Nf3=) 18.Bd4= h6 (18...Qe6 19.Nfg5 Qf5 20.Ng3 Qe5 21.Be5 Ne5 22.N5e4+–) 19.c4 (19.Nc5!? Nc5 20.Bc5=) 19...Qd2=+ 20.Ned2 (20.Rd2!? Rd8 21.Bb6–/+) 20...c5–/+ 21.Bb2 (21.Be3 b4–/+) 21...b4 22.Ra1 (22.Kf1 Rd8–/+) 22...Nc6 (22...Bf3 23.Nf3 Nc6 24.Kf1–+) 23.Bd1? (better is 23.Nb3–+) 23...Nde5 24.Ne5 Ne5 25.Be5 Be5 26.Rb1 Rd8 27.Nb3 Be4 0–1. Lange,Steffen – Scherfke,Frank, compuserve, 1996.

5.ab4 Ra1 6.Ba1 Qb4 7.Nc3 Qc3?? 8.Bc3+- d6 (8...e5 9.Be5 Na6 10.Qf3+-) 9.Nf3 (better 9.Qa1 Nf6 10.Bf6 ef6+-) 9...e5 10.d4 ed4 11.Bd4 f6 (11...Na6 12.Qa1 f6 13.Be2+-) 12.Bc4 (12.Nh4 g6+-) 12...Ne7 (12...b5 13.Bd3+-) 13.0-0 (13.Ba7 Nd7+-) 13...Nd7 14.Qa1 b5 15.Bb3 (15.Be6 Nb6+-) 15...c5 16.Bb2 c4 17.Ba2 Nc6 18.Nd4 Nb4 (18...Nd4 19.Bd4 Ne5 20.f4+-) 19.Rd1 (19.Nb5 Bb7 20.Bc4 Nc5+-) 19...Ne5 20.Nb5 Bd7 21.Nd6 Bd6 22.Rd6 0-0 (22...Nbc6 23.Be5 Ne5 24.f4+-) 23.Ba3 (better 23.Be5 Bb5 24.Qb2 Na2 25.Qb5 Kh8+-) 23...Nc2 24.Qb2 Na3 25.Qa3 Rc8 (25...g5 26.Rd7! Nd7 27.Bc4 Rf7 28.Qe7+-) 26.f4 Kh8 27.Rd7 (better 27.fe5 Bg4 28.ef6+-) 27...c3 (27...Nd7 28.Bc4 Nf8+-) 28.fe5 c2 29.Qc1 fe5 (29...g5 30.ef6 Ra8 31.f7 h5 32.Qb2 Kh7 33.f8Q Kg6 34.Qbg7) 30.Qc2! Rf8 (30...Rc2 31.Rd8 Mate attack) 31.Rf7 (31.Qc5 Rb8 32.Qe5 Rg8 33.Bg8 Kg8 34.Qg7) 31...Ra8 (31...Rb8 32.Qc7 Rb1 33.Bb1 Kg8 34.Rg7 Kh8 35.Rh7 Kg8 36.Qf7) 32.Qc7 Rg8 (32...h6 33.Rg7 Ra2 34.Rh7 Kg8 35.Qf7) 33.Re7 (33.Rg7 Rg7 34.Qd8 Rg8 35.Qg8) 33...Rf8 (33...Ra8 34.Rg7 Ra2 35.Rh7 Kg8 36.Qf7) 34.Rg7 Rc8 (34...Rf1 35.Kf1 h6 36.Rh7) 35.Rh7 1-0. bloody_communist (1975) - pink_overdoze (2055), Rated Bullet game, lichess.org, 2013. (=1.a3 c6 2.b4 Qb6 3.Bb2 a5)

5.Be5 d6 6.ab4 Ra1 7.Ba1 Qb4 =+.

5.c3 bc3–/+ 6.Bc3 d6 7.e4 Bg4 (7...Nf6 8.Qc2–/+) 8.h3=+ Bh5 9.g4 (9.d4 d5 10.ed5 cd5–/+) 9...Bg6–/+ 10.e5 (10.d3 e5–/+) 10...d5 (better 10...Nd7–/+) 11.Ng5? (better 11.a4–/+) 11...h6?? (better 11...d4–+) 12.Nf3–+. surftimm – BruceWillis, playchess.de, 2001.

5.Bd4 c5 6.Bc5!+/– Qc5 7.ab4.

5.Bd4 c5 6.Bc5!+/– Qf6 7.Bd4 Qg6 8.ab4 Ra1 9.Ba1 e6 10.b5 Bd6 (10...d6!?+/–) 11.e3+– Nf6 12.Ne5 Qf5 13.Bd3 Ne4 (13...Qg5 14.Qf3 Qh4 15.Nc4+–) 14.f4 Be5 15.Be5 d6 16.Nc3 (16…de5 17.Ne4+– (17.Be4?! Qf6+–)) 1–0. marekt – coventrian, ChessWorld.net, 2003.

5.Bd4 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.c4 Na6 9.Qb3 Qb6 10.b5 d6 11.Bf6 ef6 12.Nc3=.

5.Bd4 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.c4 Na6 9.Qb3 Qb6 10.Bc3 Ne4!

5.Bd4 Qc7 6.e4 Nf6 7.Bd3 e6 8.0-0 ba3 9.c4 b5 10.e5 Ng4 11.cb5 cb5 12.Bb5 Bb7 13.Qe2 Nc6 14.Qc4 f6 15.ef6 gf6 16.h3 Rg8 17.hg4 Rg4 18.Re1 Qd6 19.Bc5 Qc5 20.Qg4 Qb5 21.Nc3 Qc5 22.Reb1 Ba6 23.Ne4 Qe7 24.d4 Kd8 25.Qf4 e5 26.Qe3 d5 27.de5 de4 28.Qe4 Bb7 29.Nd4 Ra6 30.Qd5 Kc8 31.Rb7 Qb7 32.Rc1 Qd7 33.Qb5 Qb7 34.Qc4 Kb8 35.Nc6 Rc6 36.Qc6 Qc6 37.Rc6 Kb7 38.Rc2 fe5 39.Kf1 Kb6 40.Ke2 Kb5 41.Kd3 Kb4 ½–½. Poleschi,Ricardo – Hanegby,Avigdor, Eclipse, 2000.

5.Bd4 Qc7 6.Be5 d6 7.ab4 Ra1 8.Ba1 Nf6 9.e3 e5 10.c4 Be7 11.d3 Nbd7 12.d4 0-0 13.Bc3 e4 14.Nfd2 d5 15.Qc2 dc4 16.Ne4 Ne4 17.Qe4 Nf6 18.Qc2 b5 19.e4 Qf4 20.f3 Bd6 21.Kd1 Rd8 22.Bd2 Qh4 23.e5 Bb4 24.Bb4 Nd5 25.Bd2 Qd4 26.Kc1 Qe5 27.Qb2 Qd6 28.Ba5 Re8 29.Bd2 Bf5 30.Nc3 Nc3 31.Bc3 c5 32.Qd2 Qa6 0–1. Haertig,Manfred – Schott,Detlef, ESC, 2001.

5.g3 e6 6.ab4 Ra1 7.Ba1 Qb4 8.Bg2 Nf6 9.0-0 Be7 10.d3 0-0 11.e4 d5 12.e5 Nfd7 13.Nbd2 c5 14.h4 (14.Qe2!?=+) 14...Nc6-+ 15.Re1 Qb6 (15...b5 16.Qe2-+) 16.Nf1 Qc7 17.N1h2 (17.c4 d4-/+) 17...b6 (17...b5 18.h5 h6 19.Ng4-+) 18.Ng4 Bb7 19.Qd2 d4 20.c3 dc3 (20...h5!? 21.Ngh2-+) 21.Bc3-/+ Nb4 22.h5 Nd5 23.Bb2 b5 (23...h6 24.Nh6 gh6 25.Qh6+=) 24.h6 g6 25.Rc1 (25.Ra1=+) 25...c4 (25...Ra8!?-/+) 26.dc4 (26.Nd4 Qb8=) 26...bc4=+ 27.Bd4 (27.Ng5!?=+) 27...Rc8-/+ 28.Ng5? (better 28.Qa2-/+) 28...c3-+ 29.Bc3 Nc3 30.Bb7 (30.Rc3 Qc3 31.Qd7-+) 30...Qb7 31.Rc3 Rc3 32.Qc3 Bg5 33.Qa3 Qb1 34.Kh2 Qf5 35.Kh3 (35.Qa4 Qd3 36.f4-+) 35...Bh6 36.Qd6 Bf8 37.Qd7 h5 0-1. LissRachel (2360) - NIGHTGUEST (2400), Rated Blitz game, lichess.org, 2015.

6.Ba1 Qb4 7.Bc3 Qg4 8.h3 =+.

6.Ba1 Qb4 7.Nc3 Nf6 8.e3 e6 9.Na2 Qa5 10.Bd3 Qa2 11.0-0 Be7 12.Nd4 Na6 13.Ba6 Qa6 14.Qe2 Qe2 15.Ne2 d5 16.Be5 Ne4 17.Ra1 f6 18.Bc7 Kd7 19.Bb6 Nd2 20.Ra8 Nc4 21.Nc3 Re8 22.Bd4 Bd6 23.Ba7 e5 24.Na4 Ke6 25.Nc5 Bc5 26.Bc5 Bd7 27.Ra7 b5 28.c3 d4 29.ed4 ed4 30.cd4 Kf5 31.h3 Be6 32.g4 Kg6 33.f4 h5 34.f5 Bf5 35.gf5 Kf5 36.Rg7 Re1 37.Kf2 Re8 38.Rc7 Ke6 39.Rc6 Kd5 40.Rf6 Re6 41.Rf5 Ke4 42.Rh5 Nd6 43.Rh4 Kf5 44.d5 Re5 45.Bd6 Rd5 46.Rh5 Ke6 47.Rd5 Kd5 48.Ba3 (time, 1–0). guest1404 – guest280, ICS blitz, 2000.

6.Ba1 Qb4 7.e3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.e3 Qb4 7.Nf3).

6.Ba1 d6 7.e4 (7.c3 Nf6=) 7...e5 (7...Qb4 8.c4=+) 8.c3 (8.b5 Nf6 9.Nc3 Be7=) 8...Be7 (8...Nf6 9.Qc2=) 9.Bc4 (9.d4 Nf6=) 9...Nf6 10.Qc2 (10.Qe2 0-0=) 10...0-0 11.d4 d5 12.Bd3 (12.de5 dc4 13.ef6 Bf6=) 12...de4–/+ 13.Be4 ed4 14.Nd4 Re8 15.0-0 Bb4 (15...Ne4 16.Qe4 Bd7 17.Qf4=+) 16.Re1 (16.Bh7 Nh7 17.cb4 Qb4=+) 16...Re4–/+ 17.Re4 Ne4 18.Qe4 (18.cb4 Nd6 19.Qc3 f6=+) 18...Bd6 19.Nd2 (19.Qe8 Bf8 20.Nd2 Qc7–/+) 19...Bd7 20.Qb1 (20.Nc4!? Qa6 21.Nb3–/+) 20...Qb1–+ 21.Nb1 c5 22.Nf3 b5 23.Nbd2 c4 24.Nd4 Bc6 25.g3 Bc5 26.N2f3 Bf3 27.Nf3 Nc6 28.Kf1 f5 29.Ke2 Kf7 30.Bb2 b4 31.cb4 Bb4–+ 32.Ne5 Ne5 33.Be5 g5 34.Bd4 Ke6 35.f3 g4 36.fg4 fg4 37.Ke3 Kf5 38.Bb6 Ke5 39.Bd4 Kd5 40.Bg7 Bd6 41.Bc3 Be5 42.Bb4 Bd4 43.Kf4 h5 44.Kf5 c3 45.Bf8 c2 46.Bh6 Bb2 47.Kg6 Ke4 48.Kh5 Kf3 49.Kh4 c1Q 50.Bc1 Bc1 51.Kh5 Be3 (52.Kh4 Bf2–+; 51...Bd2 52.Kg6 Be1 53.Kf5–+) 0–1. Davis,David Neville – Peck,Alan Michael, IECG 7PSRR, 1995.

6.Ba1 Nf6 7.Bf6 ef6 8.c3 Be7 9.e3 0-0 (9...d5 10.d4=) 10.Be2 (10.d4 d5+=) 10...d5= 11.0-0 Be6 12.Nd4 Nd7 (12...Bd6 13.Bd3=) 13.Ne6 (13.f4!? f5 14.Bd3+=) 13...fe6= 14.d4 e5 15.f3 (15.b5 Bd6=) 15...Kh8 16.Nd2 ed4 (16...Qc7 17.Bd3=) 17.ed4 Qc7 18.f4 f5 19.Qb3 (19.Bd3 g6=) 19...Nf6 20.Bf3? (20.g3!?=) 20...Ne4 (20...Qf4!? 21.Rf2 Bd6–/+) 21.Be4–/+ fe4 (21...de4?! 22.Nc4=) 22.g3 Bd6 0–1. tanto (1730) – rbeckett (2300), net–chess.com, 2003.

6.Bc5 Qc5 7.ab4 Qb4? 8.Ra8+– Qd6 9.Na3 b5 (9...Kd8 10.Qb1 Nc6 11.Nc4+–) 10.Qa1 Qb6 (10...e6 11.Nb5 Qc5+–) 11.Qe5 d6 12.Qb5 Qb5 13.Nb5 Na6 (13...Kd7 14.Rb8 Nh6+–) 14.Rc8 Kd7 15.Rf8 (15.Rf8 Nc5 16.Ng5+–) 1–0. Adlai – Mftojdaz, internet, 2019.

6.Bc5 Qc5 7.ab4 Qf2 8.Kf2 Ra1 9.Qc1 e6 10.Qb2 Ra8 (10...Ra4 11.b5 Nf6 12.e3+–) 11.e4+– Nf6 (11...Nh6 12.b5+–) 12.e5 Nd5 (12...Ng4 13.Kg3 f5 14.Na3+–) 13.b5 b6 14.Bc4 Bb7 15.Bd5 Bd5 16.d3 Bc5 (16...Be7 17.Nc3 Ba3 18.Qb1+–) 17.d4 Be7 18.Nc3 Bb7 (18...Ba3 19.Qb1 Bf3 20.Kf3+–) 19.Ra1 Ra1 (19...0-0+–) 20.Qa1 0-0 (20...Bf3 21.gf3 d5 22.Qa8+–) 21.Qa7 Bf3 22.Kf3 Bb4 (22...f6 23.ef6 Bf6 24.Ke4+–) 23.Na4 d6 (23...f6 24.Nb6 fe5 25.Ke4 Bd6 26.de5 Bc5+–) 24.Qe7 f6 (24...h6 25.ed6 Ba5 26.d7 Nd7 27.Qd7+–) 25.Qe6 Kh8 (25...Rf7 26.Qc8 Rf8 27.Qc4 d5 28.Qd5 Kh8 29.e6+–) 26.ed6 1–0. Janek – Vito, internet, 2018.

6.Bc5 Qc5 7.ab4 Qf2 8.Kf2 Ra1 9.Qc1 Nf6 10.Qb2 Ra8 11.Nc3 e6 12.e4 d6 13.Bb5 Bd7 (13...Nbd7!?+/–) 14.Ra1+– Ra1 15.Qa1 Be7 (better is 15...Nc6+–) 16.Qa8 0-0 17.Qb7 Bb5 (17...Rd8 18.d4+–) 18.Qe7 (< 18.Qb5 Nbd7+–) 18...Bc6 19.Qd6 Be4 20.d3 Bf5 (20...Ba8 21.Ne5+–) 21.b5 h6 (21...Nbd7 22.Qc7+–) 22.b6 Nbd7 23.b7 Rb8 24.Qc7 Ng4 (24...e5 25.Qc8! Kh7 26.Ke3+–) 25.Kg3 e5 (25...Ngf6 26.Ne5 Rb7 27.Qb7 Ne5 28.Qb8 Kh7 29.Qe5+–) 26.h3 (26...Ngf6 27.Ne5+–) 1–0. Trkn – guest30, ICC, 2004.

6.Bc5!+/– Qc5 7.ab4 Qf2 8.Kf2 Ra1 9.Qc1 Nf6 10.Qb2 Ra8 11.e3 e6 12.Nc3 Be7 13.b5 0-0 14.Bd3 d5 15.Ra1 Ra1 16.Qa1 Nbd7 17.h3 Nc5 18.g4 Nd3 (18...Bd6 19.g5 Nh5 20.Qa7+=) 19.cd3+/– Nd7 20.Qa5 Bd8 21.Qb4 Re8 22.g5 Be7 23.Qf4 f6 24.gf6 Bf6 25.Qd6 Nf8 26.Ne5 Ng6 27.Ng6 hg6 28.Kg2 d4 (28...Rd8 29.Qc7+–) 29.Ne4 de3 30.de3 Rf8 (30...Be7 31.Qc7+–) 31.Qc7 e5 32.b6 Kh8 33.Nd6 Be6 34.Qb7 Rd8 (34...Kg8 35.Qc6 Rd8 36.b7+–) 35.Nf7 Bf7 36.Qf7 1–0. marekt (1685) – opetuslapsi (1835), gameknot.com, 2013.

6.Bc5 Qc6 7.Bb4+– Nf6 (7...Qg6 8.Nc3+–) 8.e3 (8.Nc3 Na6+–) 8...d6 9.Nc3 g6?? (better 9...Bd7+–) 10.Bb5+– 1–0. Pierre – Waldorffy, internet, 2020.

6.Bc5 Qf6 7.Bd4 Qd6 8.ab4 Ra1 9.Ba1 Qb4 10.e3 d6 11.Be2 (11.Nc3 Bd7+=) 11...Nf6 12.0-0 (12.Bf6 ef6 13.Nc3 Nc6+–) 12...e5 13.Nc3 (13.c4 Nc6+=) 13...Be7 14.Qb1 (14.Nb5 0-0+=) 14...Qc5 (14...Qb1 15.Rb1 Nc6 16.e4+=) 15.Na4 (15.d4 ed4 16.ed4 Qc7+=) 15...Qc7= 16.c4 h6 (16...Be6 17.Nc3+=) 17.Rc1 (17.d4 Nc6+–) 17...Nc6 18.Nb6 Be6 19.d4 Nb8? (19...e4!? 20.Nd2 Bd8+–) 20.d5 (better 20.de5!? de5 21.Be5 Qd8+–) 20...Bd7 (20...Bg4 21.c5 dc5 22.Be5 Bd6 23.Bf6 Bf3 24.Bg7 Rg8 25.Bf3 Rg7+–) 21.Nd7 (better 21.c5!? e4 22.Bf6 gf6 23.Nd7 ef3 24.cd6 Qd6 25.Rc8 Bd8 26.Nc5+– (26.Rb8 fe2 27.Nf6 Qf6 28.Rb7 Qa6 29.Qe4 Kf8 30.Qb4 Kg7 31.Qd4 Bf6 32.Qg4 Bg5–+; 26.Nb8?! fe2 27.Qb5 Ke7 28.Qb7 Kf8=)) 21...Nbd7+= 22.Rc3 0-0 23.Rb3 (23.Ra3 Nc5+=) 23...Nc5 (23...Ra8 24.Bb2=) 24.Rb5 (24.Ra3 Nfe4+=) 24...Qd7 (24...Nfe4 25.Qe1=) 25.Bc3 Bd8? (better 25...Nfe4 26.Bb4 Ra8+=) 26.Ne5!+– Qe7 (26...de5 27.Rc5 Deflection (27.Rc5 Overloading)) 27.Nf3 (27.Nd3 Nfe4 28.Bd4 Re8+–) 27...Nfe4 28.Bd4 b6 (28...Qd7 29.Bd3 Nd3 30.Qd3+–) 29.Bd3 f5 30.Be4 (30.Qc2 Nd3 31.Qd3 Nc5+–) 30...fe4 31.Bc5 bc5 (31...ef3 32.Bd4+–) 32.Rb7 Bc7 33.Nd2 Re8 34.Qb5 (better 34.Ra7+–) 34...Qd8?? (better 34...Rf8+–) 35.Rc7! Qa8 (35...Qc7 36.Qc6 Double attack (36.Qe8 Deflection; 36.Qc6 Decoy; 36.Qe8 Overloading)) 36.Qb2 (36.Qb2 Re5 37.Ne4+–) 1–0. tsodikovich (1790) – cher_ami (1710), gameknot.com, 2015.

6.Bc5 Qf6 7.Bd4 Qd6 8.Bc5 Qf6 9.d4 (9.c3 Nc6+=) 9...ba3 (9...Na6 10.ab4 d6 11.b5 dc5 12.ba6 Ra6 13.Ra6 ba6 14.c3=) 10.Ra3 d5?? (better is 10...Ra3 11.Ba3 d5+=) 11.Ra8+– Qf3 1–0. Levin,Anatoly – Van Beek,Arnaud, Internet Section, 2004.

7.Bb4 d6 8.Nc3 Nc6 9.e4 e5 10.Bb5 Bd7 11.Nd5 Qd8 12.0-0 Be7 (12...Nf6 13.Re1+–) 13.d4 ed4 14.Re1 Nf6 (14...Nb4 15.Bd7 Qd7 16.ab4 (16.Nb4?! Nf6+–) 16...Ra1 17.Qa1+–) 15.Bc6 (worse is 15.Nd4 Nd5 16.ed5 Nd4 17.Bd7 Qd7 18.Qd4 0-0+/–) 15...bc6 (15...Bc6 16.Nf6 gf6 17.Nd4+–) 16.Ne7 c5 (16...Ke7 17.e5 (17.Qd4?! c5 18.Bc5 dc5 19.Qc5 Ke8+=; 17.Nd4?! c5 18.e5 cb4 19.ef6 Kf6+–) 17...Nd5 18.Qd4+–) 17.e5 Ke7 18.ef6 Kf6 19.Bd2 h6 20.c3 dc3 (20...d3+–) 21.Bc3 Kg6 22.Qd6 Kh7 23.Re7 (23.Re7 Kg8 24.Rd7+–) 1–0. Hjortstam,Kurt – Hasler,Ulrich, email 4AMM–03, 1997.

8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 e6 11.e3 Nf6 (11...Bb4 12.Nd5 ed5 13.Qg7 Qc2 14.Qe5 Kf8 15.Qh8 Qc1 16.Ke2+–) 12.Qa4 Be7 13.Bd3 0-0 14.Nb5 Qb8 15.0-0 e5 16.Be2 e4 17.Nfd4 d5 18.f4 Bd7 19.Qb3 Rd8 20.Ra1 Qc8 21.Ra7 Bg4 22.Bg4 Qg4 23.Nc3 Qh4 24.Ra1 g6 (24...Ng4 25.h3 (25.Nd5?? Qh2 26.Kf1 Qh1 27.Ke2 Qg2 28.Ke1 Qf2 29.Kd1 Qf1) 25...Qf2 26.Kh1+=) 25.h3+/– Kg7 26.Qa4 h5 27.f5 g5 28.Qb5 g4 29.Kh1 Bd6 30.Nce2 Qf2 31.h4 Qh4 32.Kg1 Qh2 33.Kf1 Qh1 34.Ng1 h4 (35.Nde2 Rc8–/+) 0–1. Kuhlmann,AEJ – Van der Bergh,JS, corr, 1990.

8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.Qa4 A) 11...e5 12.Nb5 (12.e4 Bd6 13.Nb5 Qc6 14.Nd6 Qd6+/–; 12.e3 b6 13.Nb5 Qb8 14.Be2 e4+/–) 12...Qb8 13.Qa7 Qa7 14.Na7 e4+–; B) 11...b6 12.e4 (12.e3 e6 13.Nb5 Qd8 14.Be2 Be7+/–; 12.Nb5 Qb8 13.e3 e5 14.Be2 Be7+/–) 12...Bb7 13.Qa7 Qc8 14.Bd3 Qa8+–; C) 11...Qc6 12.Qb3 (12.b5 Qc7 13.e3 e6 14.Be2 b6+/–; 12.e3 e6 13.Nb5 b6 14.Ne5 Qb7+/–; 12.Nb5 d6 13.e3 Bd7 14.Qa8 Qc8+/–) 12...Qa6 13.e3 Qa1 14.Nd1 e6+/–.

8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.Nb5 Qd8 (11...Qc4 12.Qa4 Nd5 13.c3+/– Nb6 14.Qa5 Nd5+–; 11...Qc6 12.Nfd4 (12.e3 b6 13.c4 e6 14.Ne5 Qb7+/–) 12...Qb6 13.Qa8 Kd8 14.Na7 Qc7+/–) 12.Qc3 (12.Qa5 Qa5 13.ba5 d5 14.e3 e6+/–; 12.e4 e6 13.e5 Nd5 14.c3 Be7+/–; 12.Qa8 d6 13.Na7 Bf5 14.Qb7 Qd7+–) 12...d6 13.e4! (13.e4 e6 14.Nc7 Ke7 15.Bd3+–) 13...e6 14.Nc7 Ke7+– 1–0. garcia2102 (2040) – the_caboose (2240), gameknot.com, 2015.

8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.e3 A) 11...b6 12.Ba6 (12.Qa8 Qb7 13.Qa4 e6 14.Be2 Qc6+/–) 12...Ba6 13.Qa6 e6 14.Qa8 Qd8+/–; B) 11...Qd6 12.Qa8 (12.Qa5 b6 13.Qa8 Qc6 14.Qb8 Qb7+/–; 12.b5 Qc7 13.Qb2 b6 14.Be2 e5+/–; 12.Qa4 e6 13.b5 Be7 14.Bd3 b6+/–) 12...Qc7 13.Nb5 Qd8 14.Na7 e6+–; C) 11...e6 12.Qa4 (12.Nb5 Qd8 13.c3 Be7 14.Be2 0-0+/–; 12.Qb2 Qd6 13.b5 Qb6 14.Be2 d5+/–; 12.Qb1 Qb6 13.Bb5 Qd6 14.Na2 b6+/–) 12...Qd6 13.b5 Qc7 14.Be2 b6+/–.

8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.e4 A) 11...e5 12.Nb5 (12.Bd3 Bb4 13.Nb5 Qb8 14.0-0 0-0+=; 12.Qa4 Bd6 13.Nb5 Qc6 14.Nd6 Qd6+/–; 12.Qa5 b6 13.Qe5 Qe5 14.Ne5 Bb4+/–) 12...Qc2 13.Qe5 Be7 14.Nd6 Kf8+/–; B) 11...b6 12.Ba6 e5 13.Bc8 Qc8 14.Qa4 Bd6+–; C) 11...e6 12.Qa4 Ng4 13.Qb5 b6 14.Qg5 Nh6+/–.

8.Nc3 d6 9.e4 Nf6 10.Bb5 Bd7 11.0-0 e6 12.Re1 Be7 13.Qb1 0-0 14.e5 de5 15.Be7 Ne7 16.Ne5 Bc6 17.Bc6 bc6 18.Qd1 Rfd8 19.Qe2 Qd6 20.Nc4 Qc5 21.d3 Nf5 22.Qe5 Nd5 23.Ne4 Qe7 24.Reb1 f6 25.Qb2 e5 26.a4 Nd4 27.c3 Nf5 28.a5 Nf4 29.Qb3 Kh8 30.Nb6 Ra7 31.Qc4 Nd3 32.Qc6 Rc7 33.Qb5 Nf4 34.g3 Qf7 (34...Nh3 35.Kg2 Qe6 36.a6 Nh4 37.gh4 Nf4 38.Kg1 Nh3 39.Kf1+=) 35.gf4 Qg6 36.Ng3 Nh4 37.Rd1 Rf8 38.Nd5 Rcc8 (38...Ra7 39.Qe2+–) 39.Ne7 (39…Nf3 40.Kg2 Nh4 41.Kf1+–) 1–0. b4_player (1985) – Didier (2105), GameColony.com, 2002.

6.e4 Nf6 7.Bd3 e6 8.0-0 (8.Be5 Qd8=) 8...ba3 9.c4 (9.Be5 d6 10.Bf6 gf6 11.Na3 Qe7=+) 9...b5 (9...d5!? 10.ed5 cd5–/+) 10.e5=+ Ng4 11.cb5 cb5 12.Bb5 Bb7 13.Qe2 (13.Re1 Nc6 14.Bc6 Qc6–/+) 13...Nc6 14.Qc4 (14.Bc6 Qc6 15.h3 Nh6–+) 14...f6 15.ef6 gf6 16.h3 (16.Bc5 Nce5 17.Ne5 A) 17...Qc5 18.Qe6 (18.Ng4?! Qc4 19.Bc4 f5+=) 18...Be7 A1) 19.Ng4 Qb5 20.Qe1 Qc6–/+; A2) 19.Qg4 Qe5 (19...Qb5?? 20.Qh5 Kd8 21.Nf7 Kc7 22.Qb5+–) 20.Qd7 Kf8 21.Qb7 Rb8+–; A3) 19.Qd7?! Kf8 20.Ng4 Bc8+–; A4) 19.Bd7 Kd8 20.d4 (20.Qg4?! Qe5 21.Nc3 Qg5=; 20.Ng4?! Ra6 21.Qf5 Rg8+–) 20...Qd4 21.Nf7 Kc7 22.Qe7 (22.Qg4?! Qg4 23.Bg4 Rhg8+–) 22...Qd7 23.Rc1 Bc6 24.Qc5+–; B) 17...fe5?! 18.Qe6 Kd8 19.Qg4 Bc5 20.Rc1 Bf2 21.Kf2 Qb6 22.Ke1 Qb5 23.Na3=; C) 17...Qe5 18.Qg4 Bc5–+ (18...Qc5? 19.Qe6 Be7 20.Qd7 Kf7 21.Qb7+–)) 16...Rg8 (16...Nge5 17.Be5 fe5 18.Re1–/+) 17.hg4 Rg4 18.Re1 Qd6 19.Bc5 Qc5 (19...Rc4 20.Bd6 Bd6 21.Bc4+–) 20.Qg4 Qb5 21.Nc3 Qc5 22.Reb1 Ba6 23.Ne4 (23.Qf4 Bd3 24.Ne4 Qf5 25.Qf5 ef5 26.Nf6 Ke7=+) 23...Qe7–/+ 24.d4 Kd8 (24...Bd3 25.Rb7 Be2 26.Nc5 Nd4 27.Qd4 Bf3 28.gf3=) 25.Qf4 (25.Nc5 Bc8=+) 25...e5 26.Qe3 (26.de5 fe5 27.Qd2 Bc4=+) 26...d5 (26...f5 27.d5 fe4 28.Qe4+=) 27.de5 (27.Nc5 Bc8 28.Rc1 e4=) 27...de4 28.Qe4 Bb7 29.Nd4 (29.Qd5 Kc8=+) 29...Ra6 (29...Na5 30.Qd3 Ke8 31.ef6 Qf6 32.Rb7 Nb7 33.Qb5 Kf7 34.Qb7 Kg6 35.Qe4 Kg7 36.Rc1+–) 30.Qd5 Kc8 31.Rb7 Qb7 (31...Kb7 Decoy to b7 32.Rb1) 32.Rc1 A pinning theme 32...Qd7 33.Qb5 Qb7 (33...Qd4?? 34.Qa6 Kd8 35.Qc6+– (35.Rc6?! Qd1 36.Qf1 Qf1 37.Kf1 fe5+=)) 34.Qc4 Kb8 (34...fe5 35.Nc6 Rc6 36.Qe6 (36.Qc6?! Qc6 37.Rc6 Kb7=) 36...Kb8 37.Rc6+– (37.Qc6?! Qc6 38.Rc6 Kb7=)) 35.Nc6 Rc6 36.Qc6 Qc6 37.Rc6 Kb7 38.Rc2 (38.Rf6?? a2 39.Rf7 Kb6 40.Rf6 Kb5 41.Rf8 a1Q 42.Kh2 Qe5 43.g3 Qe2–+) 38...fe5 39.Kf1 Kb6 40.Ke2 Kb5 41.Kd3 Kb4 ½–½. Poleschi,Ricardo (2365) – Hanegby,Avigdor (1980), 2. Tarrasch in Memoriam, 2000.

6.Be5 d6 7.ab4 Ra1 8.Ba1 Nf6 (8...Qb6 9.c3=) 9.e3 (9.Bf6 ef6 10.e3 d5=) 9...e5 10.c4 (10.Be2 e4 11.Nd4 d5=+) 10...Be7=+ 11.d3 Nbd7 (11...0-0 12.Be2=+) 12.d4 (12.Be2 b6=) 12...0-0 (12...e4 13.Nfd2=+) 13.Bc3 (13.Qc2 e4 14.Nfd2 d5=) 13...e4 14.Nfd2 d5 15.Qc2 (15.c5 b6=+) 15...dc4 16.Ne4 Ne4 17.Qe4 Nf6 18.Qc2 b5 19.e4 Qf4 20.f3 Bd6 21.Kd1 (21.e5 Re8–/+) 21...Rd8 (21...Qh4 22.Be1 Qh5 23.g4–/+) 22.Bd2 Qh4 23.e5 Bb4 24.Bb4 Nd5 25.Bd2 Qd4 26.Kc1 Qe5 27.Qb2 Qd6 28.Ba5 Re8 29.Bd2 Bf5 30.Nc3 Nc3 (30...Ne3 31.Nd1 Nf1 32.Rf1–+) 31.Bc3 (31.Qc3 Rd8 32.g4 Bg6–+) 31...c5–+ 32.Qd2 (32.Qb5 Rb8 33.Bc4 Rb5 34.Bb5 Qh6 35.Kd1 Qb6–+) 32…Qa6 (32...Qa6 33.g4 Bg6–+) 0–1. Haertig,Manfred – Schott,Detlef, DESC, 2001.

7.Ba1 Na6 8.b5 (8.Na3 Nf6 9.Qb1 Qb6 10.b5 Nc5 11.Nc4 Qc7 12.Bd4 d6 13.e3 Bf5 14.Be2; 8.Bc3 Nf6 9.Na3 Nd5 10.e4 Ndb4 11.Be2 d5 12.Ba6 Na6 13.ed5 cd5 14.Nb5; 8.c3 Nf6 9.d4 g6 10.Nbd2 Bg7 11.e3 0-0 12.Bd3 d6 13.0-0 Bd7 14.Bb2) 8...cb5 (8...Nc5 9.Bd4 Ne6 10.Bb2= Nf6 11.Nc3 g6 12.Ne4 Bg7 13.Nf6 Bf6 14.Bf6) 9.Nc3 Qa5 10.e4 (10.e3 b4 11.Nb5 d6+= 12.Bc4 Bd7 13.Nbd4 Nf6 14.0-0) 10...b4 (10...Nf6 11.e5 Nb4 12.Bb2 Nfd5 13.Nd4 Nc3 14.Bc3) 11.Nb5 (11.Nd5 Nf6 (11...e6 12.Ne3 Nf6 13.Nc4 Qc5 14.e5) 12.Bf6 gf6= (worse is 12...ef6 13.Nd4+= Nc5 14.Nb5) 13.Nd4 e6 14.Nf6) 11...d6 (11...Nc5 12.e5 d5 13.ed6 Nf6 14.Nc7) 12.Nbd4 (12.Bc4 Bd7 13.Nbd4 b5= (13...Nf6 14.e5) 14.Bd5) 12...Nf6 (12...Bd7 13.Bc4 Nf6 14.e5) 13.Nb3 (13.Bb5 Bd7 14.Bd7) 13...Qb6 14.Bc4 (14.Bd3= 0.01) 14...e6 (14...Ne4 15.Bd4 Qc7 16.Qe2=) 15.e5 (15.Qe2 Nc5 16.Bd4 A) 16...Nfe4? 17.Qe4 d5 18.Qe3 dc4 19.Nc5+– (19.Bc5?! Qc6 20.Bf8 cb3 21.Qb3 Qe4 22.Qe3 Qe3 23.fe3 Rf8=); B) 16...Qd8+=) 15...Ne4= 16.Qe2 (16.Bd4 Qc7 17.Bb5 Bd7 18.Bd7 Qd7=) 16...d5 17.Bb5 Bd7 18.Bd7 Kd7 19.0-0 Be7 20.Nfd4 (20.Bd4 Nac5=) 20...Nac5+= 21.Qg4 Rc8 22.d3 Nb3 23.Nb3 Nc3 24.Bc3 Rc3–/+ 25.Qg7 Rc2 26.d4 Rc3 27.Nc5 Bc5 28.dc5 Qc5 29.Qf7 Qe7 30.Qf4 Kc6 31.g3 Kb5 32.Ra1 Qc5 33.Kg2 d4 34.Kh3 Qd5 0–1. Hoch,Hubertus (2325) – Krauss,Heiko (2470), RSLE–2010 –2010.

7.Ba1 b5 8.Na3 (8.e3 Na6=) 8...Na6 9.Qb1 (9.c3 d5=) 9...e6 10.Be5 (10.c3 d5=) 10...d6 11.Bg3 Nf6 12.e3 Nh5 (12...Ne4 13.c3 Ng3 14.hg3=) 13.Bh4 h6 (13...Be7 14.Be7 Qe7 15.c4 bc4 16.b5=) 14.Qb2 (14.Nb5 Qb6 15.g4 g5 16.gh5 cb5=) 14...e5 15.c4 (15.Nb5 Qb7 16.Na3 Qb4 17.Qb4 Nb4=+) 15...bc4 16.Nc4 (16.b5 Nb8 17.b6 Qb7 18.Nc4 Nd7=) 16...g5 17.b5 cb5 (worse 17...gh4 18.ba6 Ba6 19.Nd6 Bd6 20.Ba6+=) 18.Qb5 Qd7 (18...Kd8!? 19.Bg3 Qb7 20.Qb7 Bb7=) 19.Nb6 (better 19.Nce5 Qb5 20.Bb5 Ke7 21.Nc6 Kf6 22.Bg3+–) 19...Qb5? (better 19...Nc7 20.Qb3 Qf5+=) 20.Bb5+– Kd8 21.Nc8 (better 21.Bg5!? f6 22.Nc8+–) 21...Nc7+– 22.Na7 gh4 (22...Nb5 23.Bg5! hg5 24.Nb5+–) 23.Nh4 Rg8 24.Be2 (24.Nc6 Ke8 25.Be2 Ng7+–) 24...Nf6 25.0-0 d5? (better 25...Kd7!?+–) 26.Nc6+– Kd7 27.Ne5 Ke6 28.f4 Ne4 (28...Ba3 29.Rb1 Bd6 30.Nhf3+–) 29.Rc1 Bd6 30.Bg4 Ke7 (30...Rg4 31.Ng4 h5+–) 31.Nf5 Kf8 (31...Kf6 32.Nd6 Nd6 33.Rc7+–) 32.Nd7 Ke8 33.Nd6 Nd6 (33...Ke7 34.Ne4 de4 35.Rc7 Rg4 36.Ne5 Kd6 37.Rf7+–) 34.Nf6 Kf8 35.Ng8 1–0. Janek – Runar, internet, 2018.

7.Ba1 d6 8.Na3 Na6 9.c3 Nf6 10.e3 e5 11.Bb2 Be7 12.Qa4 0-0 13.Ba6 ba6 14.Nc4.

7.Ba1 d6 8.Bb2 Na6 9.b5 Nc5 10.Nc3 Nf6 11.e3 g6 12.Qa1 Bg7 13.Qa7 Qd7 14.Be2.

7.Ba1 d6 8.Bc3 Nf6 9.e3 Na6 10.Ba6 ba6 11.0-0 c5 12.bc5 Qc5 13.Bd4 Qb4 14.d3.

7.Ba1 d6 8.Nc3 Nf6 9.e4 Qb6 10.b5 Nbd7 11.Bc4 Qc5 12.Qe2 d5 13.ed5 cd5 14.Bd3.

7.Ba1 d6 8.e3 Na6 9.b5 Nc5 10.Bd4 Nf6 11.Nc3 e5 12.Bc5 dc5 13.Bd3 Bd6 14.0-0.

7.Ba1 d6 8.e3 e5 9.c4 Nf6 10.Nc3 Be7 11.d3 (11.Be2 0-0=) 11...d5 (11...0-0 12.Ne4=+) 12.Qb3 Qb6 (12...0-0 13.cd5 cd5 14.Be2=+) 13.Ne5 Qb4 (worse 13...Bb4 14.Be2 Nbd7 15.Nd7 Bd7 16.0-0 dc4 17.dc4+=) 14.Qb4 Bb4 15.Kd1 (15.Be2 Nbd7 16.Nd7 Bd7= (worse 16...Nd7 17.cd5 Nf6 18.dc6+–)) 15...dc4 16.dc4 0-0 17.Bd3 Re8 18.Nf3 Nbd7 19.Ke2 Nc5 20.Bc2 Be6 21.Nd2 Nfd7 22.Rb1 Ba5 23.Nce4 Ne4 24.Be4 Bd2 25.Kd2 Bc4 26.Bf3 Ba6 27.Bd4 Rd8 28.Kc2 h6 29.Rb2 (29.Ra1 c5 30.Bc3 Nf8=) 29...Re8=+ 30.h3 Ne5 31.Be5 (31.Rb3 Nf3 32.gf3 Rd8=+) 31...Re5–/+ 32.Kc3 Kf8 33.Kd4 Ra5 34.g3 Ke7 35.h4 (35.Rd2 Bf1 36.h4 Bb5–/+) 35...Kd6 36.g4 (36.Rd2 f5 37.Kc3 Kc5–/+) 36...f6 (36...b5 37.Kc3–+) 37.Ke4 Re5 38.Kf4 Rb5 39.Rd2 Ke6 40.Be4 Ke7 41.Bf5 Rd5 42.Rd5 cd5 43.g5 (43.Bc8!?–/+) 43...hg5–+ 44.hg5 Bc4 45.Bb1 (45.e4 d4 46.gf6 gf6–+) 45...Ke6 (45...b5!? 46.Kg4–+) 46.Bf5 Ke7 47.Bb1 b5 48.Kf5 (48.gf6 Kf6 49.e4 d4 50.e5 Ke6–+) 48...Kf7 (48...b4 49.f4 b3 50.Kg6 fg5 51.fg5–+) 49.Kf4 b4 50.Kf5?? (50.e4 fg5 51.Ke5 de4 52.Be4–+) 50...b3 51.Kf4 Be2 52.gf6 (52.g6 Ke6 53.e4 d4–+) 52...gf6 53.e4 d4 54.e5 (54.f3–+) 54...fe5 55.Ke4 Bh5 56.Ke5 Bg6 57.Kd4 Bb1 58.Kc3 Bc2 (58...Bc2 59.f4 Kg8–+) 0–1. Wagner,Stefan (2145) – Lendwai,Reinhard (2355), NOE Landesliga, 2015.

7.Ba1 d6 8.e4 Nf6 9.Nc3 Na6 10.Ba6 ba6 11.0-0 a5 12.Qb1 ab4 13.Qb4 e5 14.Bb2.

7.Ba1 e6 8.e3 (better 8.b5+=) 8...d5? (8...f6 9.c3=) 9.b5?? (better 9.Be5 Qd8 10.Bb8 Bb4 11.c3+–) 9...Nd7= 10.c4 Ngf6 11.Be2 Bd6 12.bc6 bc6 13.cd5 (13.d4 dc4 14.Nbd2 Nb6=) 13...cd5 (13...ed5 14.0-0=) 14.0-0 0-0 15.Qc1 (15.Nc3 Qb8=) 15...Qa7 16.Nc3 Ba6 17.Ba6 (17.Nb5 Qa8=) 17...Qa6=+ 18.Qc2 Rc8 (18...Nc5 19.d4 Nd3 20.Rd1=+) 19.Bb2 Nc5 20.Ra1 Qd3 21.Qd3 (21.Qd1 Nfe4=+) 21...Nd3–/+ 22.Ba3 (22.Nb5 Ne4 (worse 22...Nb2 23.Nd6 Rf8 24.Ra7+=) 23.Nd6 Nd6–/+) 22...Ba3 (22...Ra8 23.Bb2 Rb8 24.Ba3 Ba3 25.Ra3–/+) 23.Ra3 Ne4 24.h3 (24.Kf1 Ndf2 25.Ne4 Ne4–/+ (worse 25...de4 26.Kf2 ef3 27.Kf3+=)) 24...Ndf2 (24...Nef2 25.Kf1–/+) 25.Ne4 Ne4 (worse 25...de4 26.Kf2 ef3 27.Kf3+=) 26.d3 Nd6 27.Nd4 (27.Ra6 Nb7–/+) 27...g6 (27...Kf8 28.Ra6 Nb7 29.Kf1–/+) 28.Kf2 Kg7 29.Kf3 (29.Ra6 Nb7–/+) 29...Kf6 30.h4 (30.Ra6 Nb7–/+) 30...h5 (30...e5 31.Ne2–/+) 31.g4 (31.Ra5 Nf5 32.Nf5 Kf5 (32...ef5?! 33.Rd5 Rc1 34.Ra5=; 32...gf5?! 33.Ra6–/+) 33.e4 Ke5–/+) 31...hg4 32.Kg4 Nf5 (32...e5 33.Nf3–/+) 33.Nf5 gf5 34.Kf4 (better 34.Kf3!?–/+) 34...Rg8–+ 35.Ra6 (35.Kf3 Rg4–+) 35...Rg4 36.Kf3 Rh4 37.d4 Re4 38.Ra4 (38.Ra7 f4! 39.ef4 Rd4–+) 38...f4! 39.ef4 Kf5 40.Rb4 (40.Ra7 f6 41.Rh7–+) 40...Rf4 41.Ke3 Re4 42.Kf3 f6 0–1. tsodikovich (1735) – wol1 (2050), gameknot.com, 2015.

9.e3 Nf6 10.b5 e6 11.bc6 bc6 12.c4 Be7 (12...Nbd7 13.cd5 ed5 14.Bd4=) 13.Be2 0-0 14.0-0 Nbd7 15.Qc2 Ba6 16.d3 Qc7 17.Nbd2 c5 18.Rb1 h6 19.Bc3 Ra8 20.h3 Ne8 (20...Bd6 21.Ra1=) 21.Ra1 (21.cd5 ed5 22.e4 Bf6=) 21...Bb7= 22.Ra8 Ba8 23.Bf1 Bb7 24.cd5 ed5 25.d4 c4 26.e4 Nd6 27.ed5 Bd5 28.Bb4 Nb6 29.Ba5 Qc6 30.Bb6 Qb6 31.Nc4 Nc4 32.Bc4 Bf3 33.Qf5 Bf6 34.Qf3 Qd4 ½–½. Buczinski,Henryk (2165) – Van Der Ploeg,Geert Roelof (2290), SM–2011–0-00177, 2011.

9.e3 Nf6 10.d4 Bf5 11.Bd3 Bd3 12.Qd3 g6 13.0-0 Bg7 14.Nbd2 0-0 15.Bb2 Qa6 16.c4 dc4 17.Nc4 Qb5 18.Nce5 Qd3 19.Nd3 Na6 20.Ra1 Nd5 21.Ra4 Ra8 22.h4 e6 23.Nc5 Ndb4 24.Nb7 Rb8 25.Nd6 c5 26.Ng5 cd4 27.ed4 Nc7 28.Ngf7 Nc2 29.Rc4 Rb2 30.Rc7 Nd4 31.Rc8 Bf8 32.Ne5 Rc2 33.Ra8 Rc7 34.Kh2 Nc6 35.Nc6 Rc6 36.Ne4 Rc4 37.f3 h6 38.Ra7 Bg7 39.Re7 e5 40.Kg3 Rc8 41.Ra7 Rf8 42.Kf2 Rf7 43.Ra8 ½–½. Rosner – Schott, email 1999.

9.e3 Bg4 10.d4 Qa7 11.Nbd2 Nf6 12.Bd3=.

9.g3 Qa7 10.Bb2 Bf5 11.d3 Qa2 12.Qc2 Nf6 13.Bg2 e6 14.0-0 Qa6 15.Nbd2 Bd6 16.e4 Bg6 17.Ra1 Qb6 18.c4! de4 19.c5 Qd8 20.de4 (20.cd6 ef3) 20...Bc7 (20...Be7!) 21.Ne5 (21.Ra7! b5 22.Bf6 gf6 23.Qb2 Bh5 24.Qc3 Rg8 25.h3 Kf8 26.Qe3 Kg7 27.e5!+–) 21...0-0 (21...Be5 22.Be5 0-0 23.Ra8 Nfd7 24.Bd6 Re8 25.Qc3+–) 22.Ra8 (22.Ng6 hg6 23.Nf3 Na6 24.Ra4 Qd7 25.e5 Nd5 26.Qb3+/–) 22...Nfd7 23.Ng6 hg6 24.Nc4 Nf6 (24...b6 25.Qc3 Nf6 26.Qf3 b5 27.e5 Nd5 28.Nd6+/–) 25.Bc3 b5 26.cb6 Bb6 27.Qb2 Qd1 28.Bf1 Bc7 29.Bf6 gf6 30.Qf6 Nd7 31.Qa1 (31.Rf8 Kf8 32.Qc3 c5 33.bc5 Nc5 34.Na5 Qa4 35.Nc4) 31...Qa1 32.Ra1 Ne5 33.Ra6 Rb8 34.f4 Nc4 35.Bc4 Rb4 36.Rc6 Bb6 37.Kg2 Rb2 38.Kf3 Kg7 39.e5 Bg1 40.h4 Rc2 41.Bb5 Rc6 42.Bc6 Bc5 43.g4 f6 (43...Bg1 44.h5 Bd4 45.Be8 gh5 46.gh5 f6 47.ef6 Bf6 48.Kg4 Bd4 49.Bc6 Kh6 50.Be4 Bf6 51.Bg6 Bd4=) 44.ef6 Kf6 45.Be8 Kg7 46.g5 Be7 47.Ke4 Bd6 48.Bb5 Kf7 49.Bc4 Ke7 ½–½. Rosner,Dirk – Sternik,Ryszard, corr 3GMM ½ gr.05, 1999 (Sternik).

9.g3 Nf6!?

8.Na3 Na6 9.Qb1 Nd5 10.e4 Nf6 11.Bd3 Qf4 12.Be5 Qg4 13.0-0 d6 14.h3.

8.b5= d6 9.Nc3 Nbd7 10.e3 Nc5 11.Be2 g6 12.0-0 Bg7 13.d4 Nce4 14.Ne4.

8.Bd4 d6 9.Na3 Na6 10.b5 Nb4 11.c3 Nbd5 12.bc6 bc6 13.c4 Nf4 14.g3.

8.e3 Na6 9.Ba6 ba6 10.Na3 c5 11.bc5 Qc5 12.Nb1 d6 13.0-0 a5 14.Bd4.

8.e3 d6 9.Bf6 ef6 10.c4 Be7 11.Be2 0-0 12.0-0 Be6 13.d4 d5 14.c5 b5 15.Nc3 Na6 16.Qb1 Ra8 17.Bd3 g6 18.Qb2 Bg4 19.Nd2 Nb8 20.Ra1 Ra1 21.Qa1 Be6 22.h3 Bd8 23.Qa8 Qc8 24.Nb5 cb5= 25.Bb5 f5 26.Nf3 Bc7 27.Ng5 Qd8 28.Ne6 fe6 29.Ba4 f4 30.e4 f3 31.Qb7 de4 32.Bb3 Kg7 33.b5 e5 34.Bc4 Nd7 35.b6= Qg5 36.g3 Qc1 37.Bf1 e3 38.Qf3 Bd8 39.b7 ed4+= 40.Qg4 Nb8 41.Qd4= Bf6 42.Qe3 Qe3 43.fe3 Be7 44.c6 Bd6 45.Bb5 Bg3 46.Kg2 Bc7 47.Kf3 Kf6 48.h4 h6 49.Kg4 Bb6 50.Kf4 Ke6 51.Bd3 Nc6 52.Bg6 Kd6 53.Be8 ½–½. Hoch,Hubertus (2210) – Bujdak,Pavel (2055), corr WC15/WS57 ICCF, 2006.

7.Ba1 Qb6 8.c3 Nf6 9.d3 d5 10.Nbd2 Nbd7 11.e4 e5 12.Be2 Bd6 13.0-0 0-0 14.Bb2 Re8 15.Qc2 Nf8 16.h3 (16.c4 de4 17.de4 c5=) 16...Ne6 17.Ra1 Nf4 18.Bf1 Qc7 19.Kh2 Ng6 20.g3 b6 21.Bg2 h6 (21...Be6 22.Ng5=) 22.Ra8 (22.d4 Bd7=) 22...Rd8 23.d4 ed4 24.Nd4 Nh4 25.Bf1 Be5 (25...Ng6 26.f4 c5 27.Nb5+–) 26.Kg1 Bg3 27.fg3 Qg3 28.Kh1 Qf2 29.Qd1 de4 30.Qe2 (30.Nc6 Rd2 31.Rc8 Kh7 32.Rh8 Kh8 33.Qd2 Qf1 34.Kh2 Nf3 35.Kg3 Qg1 36.Qg2 Nh5 37.Kg4 Qg2 38.Kh5 Qh3) 30...Qe2 31.Ne2 Rd2 32.Rc8 Kh7 ½–½. Coltharp,Cameron – Woelfelschneider,Peter, email 4AMM–F, 1998.

7.Ba1 d5 8.e3 Nf6 9.Be2 Bg4 10.h3 Bf3 11.Bf3 e6 12.c3 Bd6 13.Bb2 Nbd7 14.d3 0-0 15.Nd2 Qb6 16.Qa4 c5 17.b5 Qc7 18.c4 Be5 19.Be5 Qe5 20.Qa3 b6 21.0-0 Rd8 22.Be2 h6 23.Ra1 Qd6 24.g3 Qe5 25.Ra2 Qf5 26.Kg2 Re8 27.Ra1 Qe5 28.Bd1 ½–½. Rosner,Dirk – Markus,Roland, 8.CH CiF, 2000.

7.Ba1 Nf6 8.e3 d6 9.Nc3 e5 10.Be2 e4 11.Nd4 d5 12.Qb1 Qb6 13.b5 Bd6 14.Na4 Qa5 15.bc6 Qa4 (worse is 15...Nc6 16.Nb6 Nd4 17.Bd4+=) 16.cb7 Bd7 17.Nf5 Bf8 18.Be5 Qa7 19.Bb5 Qc5 20.Bd7 (20.Bb8!? Qb5 21.Qb5 Bb5 22.Be5+=) 20...Nfd7= 21.Ng7 Bg7 22.Bg7 Rg8 23.Bd4 Qa5 24.0-0 Qd2 25.g3 Rg5 26.c3 (26.c4 Qa5+= (worse is 26...dc4 27.Qe4 Kf8 28.Qh4+/–)) 26...Qe2–/+ 27.Ba7 Qc4 28.Bb8 Nb8 29.Qb2 f6 30.Ra1 Kf7 31.h4 Rg8 32.Ra8 Re8 33.Qa3 Rd8 34.Kg2 Ke6 (34...Qc7 35.Qa5 Qd7 36.Qa4–/+) 35.Ra4 (35.Qa5 Rg8+=) 35...Qb5 36.Rb4 Qc6 37.Qb3 Ke7 38.c4 f5 (38...d4 39.ed4 Rd4 40.Qe3=) 39.Qc3 Kf7 40.Qe5 Qe6 (40...dc4 41.Qf5 Ke8 42.Rb5+–) 41.Qc7 Qd7 42.Qf4 Rf8 43.h5 (43.Rb5 Kg8 44.Rd5 Qb7 45.Rf5 Rf5 46.Qg4 Kh8 47.Qf5 Nd7+/–) 43...Kg8= 44.c5 Qd8 45.h6 Rf7 46.Rb6 Qc7?? (better is 46...d4+–) 47.Qg5 Kh8 (47...Kf8 48.Rd6 Qd6 49.cd6 Rd7 50.Qf5 Ke8 51.Qe6 Kf8+–) 48.Rd6 (48.Re6 Rf8 49.Re7 Qe7 50.Qe7 Rg8 51.Qf6 Rg7 52.Qg7) 48...Rf8 49.Rd5 f4 50.Rf5 Rf5 51.Qf5 1–0. Wall,Bill – Barakat,Diya, chess.com, 2011.

6.Ba3 Nf6 7.Bd3 (7.Bc5 Qc5 8.Ra8 Ne4+–) 7...d6?? (7...Ra5 8.0-0=+) 8.0-0?? (8.Bc5 Qc5 9.Ra8 Nfd7+–) 8...e5 (better 8...Na6=+) 9.Ne5?? (better 9.Bc5! dc5 10.Ra8+–) 9...de5–+ 10.Bf8? (better 10.Bc5 Bc5 11.Ra8–+) 10...Kf8 (better 10...Ra1 11.Bg7 Ng4 12.Bh8 Nf2–+) 11.Ra8+– Qc7 12.Ra1 (12.Qf3 Bg4 13.Qe3 Ke7+–) 12...g6 13.c4 Kg7 14.Nc3 Rd8 15.Qb3?? (better 15.Be2+–) 15...Rd3–+ 16.Rfd1 (16.Qc2 Rd4 17.d3–+) 16...Ne4! 17.Ne4?? (17.Qc2 Nc5 18.Ne4–+) 17...Rb3 18.Rdb1 (18.c5 b6–+) 18...Rb1 19.Rb1 Bf5 20.d3 (20.f3 Qd7 21.h3 Be4 22.fe4 Na6–+) 20...Be4 (20...Qd8!? 21.Ng3 Qd3 22.Nf5 gf5 23.Rc1–+) 21.de4 Nd7 22.f3 Nb6 23.Rc1 Qe7 (23...Nc4!? 24.Kf2 b5 25.h3–+) 24.c5 Na4 25.Rb1 Nc5 (25...Qc5 26.Kh1–+) 26.h3 b6! 27.Rb6 Nd3 28.Kh2 Nf4 (better 28...Qg5 29.Rb1–+) 29.Rc6 Qa3 30.Rc2 Qb3 31.Rf2 Qe3 32.Ra2 Qe1 33.h4 Qh4 34.Kg1 Qg3 35.Kf1 Qh2 36.Rb2 Qh1 37.Kf2 Qg2 (better 37...Nd3 38.Ke2 Nb2 39.Kd2–+) 38.Ke3 Qb2 ½–½. alessandrocarvalhaes (1845) – ich543 (1865), lichess.org, 2020.

6.Na3?? (better 6.Ba3 Ra5 7.Bd3=) 6...Qb2–+ 7.Qc1 (7.Bd3 Ra3 8.Rb1 Qa2–+) 7...Qc1 8.Rc1 Ra3 9.Bc4 (9.Bd3 d5–+) 9...e6 10.0-0 d5 11.ed5 cd5 12.Bb5 Nc6 13.Ne5 Bd7 14.Nd7 (14.Bc6 Bc6 15.c4 Bb4 16.cd5 Bd5 17.Rc8 Ke7–+) 14...Kd7 15.Rb1 Bd6 16.Bd3 Kc7 17.Rb5 (17.g3 Ne5 18.Be2 Nf6–+) 17...Nge7 18.Rfb1 Rb8 0–1. owkenobi – ryerye, gameknot.com, 2017.

5.Nc3 ab4 6.ab4 Ra1 7.Ba1 Qb4 8.Nd5 =.

5.Nc3 cb4 6.Nd5 +=.

5.bc5?? Qb2 6.Nc3 e5 +/–.

5.bc5?? Qc5?? 6.Nc3 Nf6+= 7.e3 d5 8.Na4 (8.Bb5 Bd7 9.Rb1 e6+=) 8...Qc6 9.Qb1 (9.c4 Bd7 10.Nc3 dc4=) 9...Qa4 (9...Nbd7 10.Bd4 e6 11.Bb5+/–) 10.Bf6+= Qe4 11.Qb5 Nc6 12.Bc3 e6 (12...Qc2?? 13.Bd3 (13.Qd5?! Bd7+=) 13...Qd3 14.Qd3+–) 13.h3 Bd7 (13...Qc2?? 14.Bd3 Qd3 15.Qd3+–) 14.Bd3 Nd8 15.Qb2 (15.Be4?! Bb5 16.Nd4 Bc4=) 15...Qa4 16.Bg7 Rg8 17.Bf6 (17.Bf8 Kf8 18.Bh7 Rg2 19.Qh8 Ke7+–) 17...h6 (17...Bd6 18.Rg1 h6 19.Bh7+–) 18.0-0 (18.g3 Bc5 19.Bh7 Rf8+–) 18...Be7 19.Bh7 1–0. Kuhlmann,AEJ – Mack,Guenter, CiF, 1995.

5.bc5?? Qc5?? 6.Bd4 Qf5+/–.

5.bc5?? Qc5?? 6.e4 Nf6 7.Bf6 gf6 8.c4 d6 9.d4 Qc6 10.Nc3 Nd7 11.Rb1 b6 12.Qa4 Qa4 13.Na4 Rb8 14.Bd3 e6 15.0-0 d5 16.ed5 Ba3 17.Rfe1 Ke7 18.de6 fe6 19.Bf5 e5 20.Bd7 (20.de5 Bb4 21.Nd4 A) < 21...fe5 22.Nc6 Kf6 23.Bd7 Bd7 24.Nb4 (< 24.Nb8 Ba4 25.Rb4 ab4=) 24...Ba4 25.Nd5 Kf5 26.Rb6 Rb6 27.Nb6+/–; B) 21...Be1? 22.Nc6 Ke8 23.Nb8+– (23.Re1?! Rb7+=); C) 21...Ne5=) 20...Bd7 21.Nb6 Be6 22.Rb5 Bb4 23.Rb1 e4 24.R1b4 ab4 25.Nd2 Rhd8 26.d5 Rd6 27.c5 Rbb6 28.cd6 (< 28.Rb6 Rb6 29.cb6 Bd5=+) 28...Rd6 29.Rb4 Rd5 30.Rb2 f5 31.Kf1 Kf6 32.Ke2 h5 33.Ke3 Ra5 34.Kf4 h4 35.g3 h3 ½–½. Amadio,Giancarlo – Luise,Massimo, FSI – Torneo dell'Anniversario, 2000.

5.c3 Nf6 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 Nf6 5.Nf3 d5).

5.Bd4 Qc7 6.Be5 Qd8 7.ba5 Qa5 8.Bc3 Qa4 9.e3 Nf6 10.Be2 Bf5 11.Ra2 Nbd7 12.Rb2 e6 13.Nd4 Bg6 14.Rb7 e5 15.Nb3 Qe4 16.0-0 Qc2 17.Qc2 Bc2 18.f3 Bd6 19.Re1 Bb1 20.Rb1 0-0 21.Bd3 Ra3 22.Bf5 Nb8 23.Na5 Ra2 24.Nb3 Re8 25.Nc1 Ra8 26.Nd3 g6 27.Bh3 Nh5 28.g3 Ng7 29.Kh1 Nh5 30.e4 de4 31.fe4 Nf6 32.Rf1 Ne4 33.Rff7 Nc3 34.Rg7 Kh8 35.Rh7 Kg8 36.Rhg7 Kh8 37.dc3 e4 38.Rg6 1–0. Hassim – Sutton, email 4AMM–09 1997.

5.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3 a5 5.Nf3).

5.c3 Nf6 6.e3 e5 7.d3 (7.Be2 e4 8.Nd4 Be7=) 7...Be7 (7...ab4 8.ab4 Ra1 9.Ba1=) 8.Be2 (8.Nbd2 ab4 9.ab4 Ra1 10.Qa1 Qc7=) 8...ab4 9.ab4 Ra1 10.Ba1 0-0 11.0-0 (11.Nbd2 Bg4=) 11...Bg4 12.Nbd2 Nbd7 (12...Nbd7 13.h3 Bf3 14.Nf3 Ra8=). Khayman,Daniel (1640) – Lopez,Victor (1625), FICGS, 2007.

5.Bd4 Qc7 6.ba5 Nd7 7.Bc3 e5 8.d4 e4 9.Nfd2 d5 10.e3 Bd6 11.Bb4 Ne7 12.c4 Nf6 13.h3 Nf5 14.Qb3 0-0 15.cd5+= White gets strong initiative 15...cd5 16.Nc3 Be6 17.g4+/– Bb4 18.ab4 Ne7 19.Rc1 Kh8 20.Be2+/– Ne8 21.Rc2 Qb8 22.Na4 Qd8 23.Nb6 Rb8 24.Rc5 Qd6 25.Nb1 f5 26.Nc3 Nc7 27.gf5 Nf5 28.Nbd5 Nd5 29.Nd5 Ne3 30.Qe3 Bd5 31.Rg1 Bg8 32.Rg4 b6 33.ab6 Rb6 34.b5 Qd8 35.Re4+– White gets strong play along the open e–file 35...Rbf6 36.f4 h6 37.Re7 Qa5 38.Qc3+– Qa2 39.Qd2 Qb1 40.Rc1 Qg6 41.Qd3 Qg2 42.Rcc7 Rf4 43.Qe3 Rf1 44.Kd2 Ra8 45.Rg7+/– Ra2 46.Kc3 Ra3 47.Kb4 Qg7 48.Rg7 Re3 49.Rg8 Kg8 50.Bf1 Kf7 51.b6 Rf3 52.Bb5 Ke7 53.b7 (53...Rf8 54.Kc5+–) 1–0. Kuhlmann,AEJ – Blees,P, corr, 1993.

5.Bd4 Qc7 6.c4 d6 7.Bf6 ef6 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 d5 11.c5 Be7 12.d4 0-0 13.e3 b6 14.Bd3 Bg4 15.0-0 Bf3 16.gf3 Nd7 17.Qa4 Rb8 18.Ra1 bc5 19.bc5 Nf8 20.Na2 Qd7 21.Nb4 Rc8 22.Qa7 Rc7 23.Qb6 Rb7 24.Qc6 Rb4 25.Qd7 Nd7 26.Ra7 Nc5 27.Ra8 Bf8 28.dc5 Rb3 29.Bh7 Kh7 30.Rf8 Rc3 31.Rc8 Kg6 32.Rc7 f5 33.Rc6 f6 34.f4 Rc4 35.Kg2 d4 36.ed4 Rd4 37.Kg3 Rd3 38.f3 Rc3 39.Rc7 Rc2 40.c6 Kh6 41.h3 Kg6 42.h4 Kh7 43.Kh3 Rf2 44.Rc8 Rf3 45.Kg2 Rf4 46.c7 Rc4 47.h5 Rc3 48.Kf2 f4 49.Ke2 f5 50.Kf2 ½–½. Woelfelschneider – Kagel, VCC 0012, 2000.

5.Bd4 Qd8 +=.

5.e3 ab4 6.a4 d5 7.Bd4 c5–/+ 8.Be5 Nbd7 9.Bb5=+ e6 10.c3 Be7 11.0-0 0-0–/+ 12.h3 Ne5–+ 13.Ne5 Bd6 14.d4–/+ Be5 15.de5 Ne4 16.cb4 cb4 17.Nd2 Nc3 18.Qb3 Nb5 19.ab5 Ra1 20.Ra1 Qb5 21.Ra4 Qc6 22.Kh2 f6 23.ef6–/+ Rf6 24.Rb4? Rf2–+ 25.Nf3?? Qd6 26.Kg1?? Qg3 27.Ne1 Re2 28.Rg4 Re1# 0–1. wlittle (2100) – rbeckett (2245), net–chess.com, 2005.

5.e3 d5 6.b5 (6.Bd4 Qc7=) 6...Nbd7 (6...Bg4 7.Nc3=) 7.a4 (7.Be2 e6=) 7...e6 8.Be2 (8.c4 Bb4=) 8...Be7 (8...Bd6 9.d4=) 9.0-0 0-0 10.d4 Ne4 11.Nbd2 f5 (11...cb5 12.ab5 Qc7 13.c4+=) 12.c4+= cb5 (12...Qd8 13.c5+=) 13.ab5 Nd2 (13...Bb4 14.Ba3 Ba3 15.Ra3 dc4 16.Qa4+=) 14.Qd2+/– dc4 15.Bc4 Nf6 16.Rfd1 (16.Ba3 Ne4 17.Qd3 Nd6+/–) 16...Rd8 (16...Ne4 17.Qd3+=) 17.Qd3 Kf8 (17...Ne4 18.Nd2 Nd6 19.Ba3+/–) 18.Qb3 (18.Rdc1 Nd5+/–) 18...Nd5 19.Nd2 (19.Ne5 Kg8+/–) 19...Bb4 (19...Kg8 20.Ra4+=) 20.Ba3+/– Ba3 21.Ra3 Qd6 22.Nf3 b6+= 23.Ne5 Bb7 24.e4 Nf6?? 25.ef5 ef5 26.Nf7+– Qf4 27.Nd8 Rd8 28.Qe3 Qg4 29.f3+– Qh4? 30.Qe6 Bd5 (30...Nd5 31.Qf5 Qf6 32.Qh7+–) 1–0. Mrozinski,W – Mallach,H, Germany, 1996.

5.e3 d5 6.Bd4 Qc7 7.Be2 Nbd7 8.ba5 Ra5 9.Bc3 Ra8 10.d4 e6 11.0-0 b6 12.Bb2 Bd6 13.c4 Ba6 14.cd5 Be2 15.Qe2 ed5 16.Rc1 0-0 17.Qc2 Rfc8 18.Qf5 (18...Ra5 19.Nbd2=+). Vetter,Udo – Hasek,Frantisek, TT–16 ETC, 2005.

5.e3 d6 6.Bf6 ef6 7.b5 =.

4.c3 a5 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 c5).

4.c3 cb4 5.cb4 d6 6.e3 Nf6 7.Be2 Bd7 8.Nf3 e5 9.0-0 Be7 10.Bc4 (10.d4 e4 11.Nfd2 d5+=) 10...Bg4 (10...e4 11.Nd4 d5 12.Be2=) 11.Be2 (11.h3 Bh5+–) 11...Ne4 (better 11...Bd7!?=) 12.d3+– Ng5 (12...Nf6 13.Nbd2+–) 13.Ng5 Be2 14.Qe2 Bg5 15.Nc3 Qc6 (15...0-0 16.d4+–) 16.Rfc1 (16.f4 Bf6+–) 16...Qd7 17.Nd5 (17.f4 Bd8 18.fe5 de5+–) 17...Bd8 18.Rc2 0-0 19.Rac1 Qe6 20.Nc7 Bc7 21.Rc7 h6 22.Rb7 a6? (22...Nd7 23.Rcc7 Qa2 24.g3+– (24.Rd7?! Qb1 25.Qf1 Qb2+=; 24.Ra7? Ra7 25.Ra7 Qb1 26.Qf1 Qb2–+)) 23.e4 (better 23.Rcc7 Qd5 24.e4 Qb3+–) 23...Rc8 24.Rcc7 Rc7 25.Rc7 Nd7 26.Qc2 Nf6 27.h3 Ne8 28.Rc6 Kh8 29.d4 ed4 (29...f6 30.de5 fe5 31.f3+–) 30.Bd4 Nf6 (30...Qe7 31.Qc4+–) 31.Bf6 Qf6 (31...gf6 32.Qd3 Qe5+–) 32.Rc8 Rc8 33.Qc8 Kh7 34.Qa6 (better 34.Qf5 Qg6 35.a4+–) 34...Qa1 35.Kh2 Qe5 36.g3 h5 37.Qa5 Qe4 38.Qh5 Kg8 39.b5 Qa4 (39...Qb7+–) 40.b6 (better 40.Qf5 Qd4 41.Kg1+–) 40...Qa6 41.Qd5 Qb6 42.Qa8 Kh7 43.Qe4 g6 44.a4 (better 44.Kg1+–) 44...Qf2= 45.Qg2 Qa7 46.Qc2 d5 47.h4 d4 48.Qc4 Qd7 49.Qb5 Qg4 50.Qd3 f5 51.a5 f4 52.a6 fg3 53.Qg3 Qe2 54.Kh3 Qa6 55.Qc7 Kh6 56.Qf4 Kh7 57.Qd4 Qf1 58.Kg3 ½–½. Darkseid (1815) – Watta (1735), ChessWorld.net, 2009.

4.c3 c4 5.e3 d5!? =.

4.c3 g6 5.e3 Bg7 6.d4 cb4 7.cb4 a5 8.Qb3 ab4 9.Qb4 (9.Bc4 e6=) 9...Qb4= 10.ab4 Ra1 11.Ba1 Nc6 (11...d5 12.Nf3=) 12.b5+= Nb4 13.Kd2 (13.Bc3 Nd5+=) 13...d6 14.Bc3 Nd5 15.Bc4 Nc3 (15...Ngf6!? 16.Ne2 Ne4 17.Ke1 Be6 18.Bd5 Bd5=) 16.Nc3+= Nf6 17.Nge2 0-0 (17...e6 18.Ra1+=) 18.Ra1+/- Bf5 (18...e6 19.h3+/-) 19.Ra7 Rb8 20.Nd5 Nd5 21.Bd5 Bc8 22.Nc3 e6 23.Bc4 Bf6 24.Na4 Bd8 25.Nc3 Bb6 (25...Bf6!?=) 26.Ra2 d5 27.Be2 Kf8 28.Na4 (28.g4 h6+=) 28...Ba5 (28...Ra8 29.g3=) 29.Kd1+= b6 30.Rc2 Bd7 31.Bd3 (31.Rc7 Ke7+=) 31...Rc8= 32.Rc8 Bc8 33.Kc2 Bd7 34.h3 Ke7 35.f3 Kd6 36.e4 (36.Nc3 e5=) 36...Kc7 (36...de4 37.fe4 e5 38.de5 Ke5 39.Nb2=+) 37.Kb3 (37.Nc3 h5+=) 37...Be1 38.Nb2 Bf2 39.Kc3 de4 40.fe4 f5 (better 40...Be1 41.Kb3 f6=) 41.Nc4 (better 41.e5+=) 41...Bb5-/+ 42.ef5 ef5 43.Ne5 Bd3 44.Kd3 Bh4 45.Kc4 Bf6 46.Nd3 Kc6 47.Nb4 Kd6 48.Nd5?? (better 48.Nd3-/+) 48...b5!-+ 49.Kb5 Bd4 (better 49...Kd5 50.Kb6 Kd4-+) 50.Nb4 Bf2 51.Kc4 Ke5?? (better 51...f4!?-/+) 52.Nd3=+ Ke4 53.Nf2 Kf4 (53...Ke3 54.Nh1=+) 54.Kd3 (54.Kd3 Kg3 55.Ke3 Kg2 56.h4-+). dannysmet (1975) - Hurzzz (1935), Rated Blitz game, lichess.org, 2021.

4.Nc3 e6? 5.Na4 Qb5 6.Nc5 Bc5 7.Bg7. Myers.

4.e3 cb4 5.Bd4 Qd6 (5...Qc7 6.ab4 e5 7.Bc3=) 6.ab4+= Qb4 (6...Nc6 7.Bc5 Qc7 8.Nc3=) 7.c3 (7.Nc3 Na6+=) 7...Qd6 8.Ra7 (< 8.Ba7 Na6 9.Na3 Ra7–/+) 8...Ra7 9.Ba7 Nc6 10.Bb6 Nf6 11.Nf3 (11.Qb3 e6+=) 11...g6 (11...Nd5!? 12.Qb3 Nb6 13.Qb6 e5=) 12.d4 Nd4?? (better is 12...Bg7+/–) 13.Qd4 (13...Qd4 14.cd4+–; 13.Bd4 Bg7+–) 1–0. Wall,Bill – Beyond, Internet, 2003.

4.Nf3 Nc6 5.Nc3 cb4 6.Nd5 Qa5 7.e4 e6 8.ab4 Qd8 9.b5 (9.Qe2!?+=) 9...ed5+= 10.bc6 de4 11.cd7 Bd7 12.Ne5 Nf6 13.Nd7 (13.Bc4!? Be6 14.Bb5 Nd7 15.Qe2+=) 13...Qd7+= (worse is 13...Nd7 14.Qg4+=) 14.Ra5 0-0-0 (14...Qc7 15.Bb5 Kd8 16.Ra4=) 15.Bb5 (15.Ra7!? Bb4 16.Ra8 Kc7 17.Be5 Bd6 18.Ra5+=) 15...Qf5+= 16.Qe2 (16.Bf6 gf6 17.g4 Qd5–/+) 16...Kb8 (16...a6 17.Bf6 Qf6 18.Ba6 ba6 19.Ra6–/+) 17.Bc3 Bc5 (17...Nd5 18.Bd4 b6 19.Ba4–/+) 18.0-0 (18.Bc4 Ng4 19.0-0 b6+=) 18...Bb6 (18...Nd5!? 19.Ra4 Nc3 20.dc3 a6–/+) 19.Ra4= h5 (better is 19...Ng4=) 20.Ba5?? (better is 20.Bf6 gf6 21.Re4 Rd2 22.Qd2 Qe4 23.Re1=) 20...Ba5–+ 21.Ra5 a6 22.Rb1 Rd5?? (better is 22...Qe5–+) 23.Ra6!+– Kc7 (23...ba6 24.Bd7 Double attack) 24.Qc4 Rc5 25.Qf7 Nd7 26.Qf5 Rf5 27.Rg6 (better is 27.Bd7!? Rc5 28.Ra2 Kd7 29.Rb7 Kc6 30.Rg7+–) 27...Rf7+/– 28.Bc4 Re7 29.Bd5 Rb8 30.Rg3 (30.Rb5 Kd8+/–) 30...Nf6 31.Rc3 Kd6 32.Bc4 Rc7 33.Rb6 Kc5 34.Rb5 Kd6 35.Rb6 Kc5 36.Rb5 Kd6 ½–½. Diviak,Rudolf (1795) – Kotlowski,Tomasz (2060), Banska Stiavnica SVK, V4 Open, 2013.

5.d4 cd4 6.cd4=.

5.e3 Bf5 6.d4 c4 7.Ne2 Nf6 8.Ng3 Bg4 9.f3 Be6 10.Be2 g6 11.Nd2 Bg7 12.e4 de4 13.fe4 0-0 14.Nc4 Bc4 15.Bc4 Rc8 16.Bb3 Qc6 17.0-0 Ne4 18.Rf7 Ng3 19.Rf6 Kh8 20.Rc6 Nc6 21.hg3 Rf8 22.Qe2 Rae8 23.Ba4 e6 24.Qe4 Rf6 25.d5 Nb8 26.Be8 1–0. Bonetti,Shane – checkitowt, ICC, 2002.

5.e3 e6 6.b5 d5 7.d4 (7.c4!?=) 7...c4–/+ 8.a4 a6 9.Na3 Bd7 10.Nf3 Bd6 11.Ne5 Be5 (better is 11...0-0!?–/+) 12.de5+= Ne4 13.Qd4 Qc7 14.Bc4 ab5 15.Bb5 Nc6 16.Bc6 Qc6 17.Nb5 0-0 18.0-0 Nc5 19.Qd1 (better is 19.Ba3!? Nb3 20.Qf4=) 19...Na4=+ 20.Ra4 Qb5 21.Rb4 ½–½. Melzig,Ernst – Hess,Helmut (1615), 14sen.Bad Sooden–Allendorf, 2002.

5.Nf3 Nc6 6.e3 e6 7.b5 Ne7 8.c4 Neg8 (8...d5 9.Bf6 gf6 10.Nc3=) 9.d4 a6 10.a4 d5 11.Nc3 (11.a5 Qc7+=) 11...Bd6 (11...cd4 12.a5 Qd6 13.Ba3+=) 12.a5+= Qd8 13.b6 cd4 14.Nd4 Bb4?? (better is 14...e5 15.Nf3 e4+=) 15.Qa4+– Bd7 16.Qb4 (16...e5 17.Nf3+–) 1–0. Kucharkowski,Jens – Enderlein, Freital, 1988.

5.Nf3 d5 6.d4 c4 7.Nbd2 Bf5 8.e4 (8.Nh4!? Bd7 9.h3=+) 8...Ne4–/+ 9.Be2 e6 10.0-0 Be7 11.Ne4 Be4 (11...de4?! 12.Ne5=) 12.Ne5 f6 (12...Bd6 13.Qa4 Nc6 14.f4–/+) 13.Nf3 (13.Qa4 Nc6 14.Nc6 Qc6–/+) 13...0-0 14.Re1 e5! 15.Nd2 (15.de5 fe5) 15...Bg6 16.Nf3 Nd7 (better is 16...e4 17.Nh4 f5 18.Ng6 Qg6–/+) 17.de5+= Qc6 18.Nd4 Qc8 (18...Qb6!? 19.e6 Nc5+=) 19.Ne6+/– Re8 20.Qd5?? (better is 20.Nf4 Nb6 21.Bf3+/–) 20...Nb6–+ 21.Qd4 Qe6 22.Bg4 f5 23.Bf3 Rad8 24.Qe3 Rd3 25.Qf4 Na4 26.Rab1 b5 27.Red1 Nb2 28.Rb2 Rd1 29.Bd1 Bd6 0–1. Goan – Chatterjee, email 4AMM–08, 1997.

5.ab4 Nf6 6.b5 d5 7.e3 Bf5 (7...e5 8.Nge2=) 8.Nf3 Nbd7 9.Be2 (9.Nh4 Bg6+=) 9...e5= 10.d4 e4 11.Nd2 Bd6 12.Na4 Qc7 13.c4 dc4 14.Nc4 Bb4 15.Nd2 (15.Bc3 Bc3 16.Nc3 0-0=) 15...0-0+= 16.0-0 Nd5 (16...Rac8 17.Ba3 Ba3 18.Ra3=) 17.Nb3 (17.Qb3 N7f6 (worse is 17...Bd2 18.Qd5 Bg6 19.Rfd1+/–) 18.Rfc1 Qb8=) 17...Bd6+= 18.h3 N7b6 19.Nac5 Qe7 20.Na5 Rab8 21.Nc4 Bc7 22.Re1 Qh4 (22...Qg5 A) 23.Ra7? Bh3 24.Bf1 Nc4 25.Ne4 Qg6–+ (25...Nb2?! 26.Ng5 Nd1 27.gh3–/+); B) 23.g4 a6 24.Qb1+=) 23.Nd2 (23.Ra7 Qg5 24.Kf1 Bh3 25.gh3 Bh2+=) 23...Bg6 (23...Bh3 24.Nde4 Bg2 25.Kg2 Qh2 26.Kf3 Qh3 27.Ng3 Bg3 28.Bf1=) 24.Nf1 (24.Ra7 f5+/–) 24...Rbe8 (24...a6 25.ba6 ba6 26.Nd2+=) 25.Qb3 (25.Ra7 f5+/–) 25...Kh8 (25...Bf5 26.Ra7 Qg5 27.f4 (worse is 27.Rb7 Bh3 28.g3 Bf1 29.Bf1 Bg3=) 27...ef3 28.Bf3 Bh3 29.Rb7+/–) 26.Nd7! Nd7 27.Qd5 Nb6 28.Qc5 (28.Qb7 Re7 29.Ra7 Bh2 30.Nh2 Rb7 31.Rb7 Nd5+/–) 28...Rc8? (28...Bb8 29.Ba3=) 29.Qb4 (29.Ra7!? Bh2 30.Nh2 Rc5 31.dc5+–) 29...f5 (29...Bb8 30.Ba3=) 30.Rec1 (30.Ra7 f4 31.ef4 Qf4+=) 30...Nd5 31.Qb3+/– Nf6 32.d5 f4 33.ef4 Qf4 34.g3 Qf5 35.Ba3 Rfe8 36.d6 Bb6–/+ 37.Ne3 Qh3 38.Bf1 Qd7 39.Rc8 Rc8 40.Nc4 Qf5 41.Nb6+= ab6 42.Rc1 Rd8 43.Qe3 h5 44.Qb6+/– Rd7 45.Qc5 Qg4+= 46.Qc8 Kh7= 47.Qf8?? e3!–+ 48.Rc8 Be4 49.Qh8 Kg6 50.Re8 Qf3 51.Re4 Qf2 0–1. Lorenc,Tomas (2125) – Kansky,Pavel (2135), CZE–chT2b, 2006.

5.Nd5 Qa5 6.e4 ba3 7.Ra3 Qd8 8.Qh5 (8.Be5 d6 9.Bd4+/–) 8...e6?? (better is 8...Nc6=+) 9.Rf3+– Nf6?? (better is 9...Nh6 10.Nf6! gf6 11.Bf6 Qb6+–) 10.Nf6 (10.Bf6 gf6 11.Rf6 Qf6 12.Nf6 Kd8 13.Qf7 Bc5+–) 10...gf6 11.Bf6 Be7 12.Bh8 d6 13.Rf7 Kd7 14.Bf6 Nc6 15.Bb5 a6 16.Be7 Qe7 17.Bc6 bc6 18.Qh7 Qf7 19.Qf7 Kd8 20.e5! de5 21.Nf3 e4 22.Ne5 Rb8 23.Nc6# 1–0. wiking – alesson, queenalice.com, 2009.

5.Nd5 Qc5 6.e4 Kd8 (better 6...e6 7.Nb4 d5 8.ed5 ed5+=) 7.ab4+– Qb4?? (better 7...Qd6 8.Bd4 Nf6 9.Bb6 ab6 10.Ra8 Ne4+–) 8.Nb4 1–0. Janek – Larry, internet free game, 2017.

5.Nd5 Qc6 6.e4 ba3 7.Ra3 (idea Bb5!; idea Rc3) 7...Na6 8.Ba6 ba6 9.Rc3. Myers.

5.Nd5 Qd6 6.Nb4 Nc6 7.Rb1 (7.Nc6 dc6 8.e4 Qd8=) 7...Nb4 (7...e5 8.e3=) 8.ab4+= b6 (8...e5 9.Nf3 e4 10.Nd4+=) 9.e3 Bb7 (9...a5 10.Nf3+=) 10.Nf3 Nf6 11.Be2 (11.b5 e6+=) 11...g6 (11...Rc8 12.Be5 Qe6 13.Bd4+=) 12.h3 (12.0-0 Bg7+=) 12...Bg7 13.0-0 (13.Be5 Qe6+=) 13...0-0= 14.c4 Rac8 (14...Qc7 15.d4=) 15.d3 Rfe8 (15...a6 16.e4 Qe6 17.Re1+=) 16.e4 e5 17.b5 Nh5 18.Ra1 Ra8 19.g3 (19.Ba3 Qf6+=) 19...Rec8 (19...a6 20.ba6 Ba6 21.Qb3+=) 20.Qb3 Qe6 21.Kh2 Rf8 22.Nh4 (22.Ng5 Qe7 23.h4 h6+/–) 22...Nf6 23.Ra4 (23.Ng2 Bc8+=) 23...a5 (23...a6 24.ba6 Ba6 25.Rb4+=) 24.ba6 (24.f4 d6+=) 24...Ra6 (24...Ba6 25.Rb4 d6 26.Nf3+=) 25.Ra6 Ba6 26.Nf3 Nh5 (26...Ra8 27.Rd1+=) 27.Ng5 (27.Ra1 Ra8+=) 27...Qf6+= 28.h4 h6 29.Nh3 (29.Nf3 Qe6+=) 29...Qc6 (29...b5 30.cb5 Rb8 31.d4 ed4 32.Rd1+/–) 30.Rb1+/– Rb8 31.Bh5 gh5 32.f4 (32.Qb4 b5+=) 32...d6+= 33.Ba3 Attacks the isolani on b6 (33.Rf1 Bc8+/–) 33...b5 34.Rc1 (34.Qb4 Rb6+=) 34...Qd7 35.c5 (35.Qb4 Bc8 36.Nf2 Qa7+=) 35...dc5= 36.Rc5 b4 37.Bb2 (37.Rd5!? Qe7 38.Bb2=) 37...Qd3–/+ (37...Bd3? 38.Rd5 (38.Be5 Be4 39.Qe3 Be5 40.fe5 Qd3 41.Qd3 Bd3–/+) 38...Qg4 39.Qd3 ef4 40.e5 fg3 41.Qg3 Qe2 42.Qg2+–) 38.Qd3 Bd3 39.Nf2 Be2 40.fe5 (40.Rc2 Bf3–/+) 40...b3 41.Rc7 Bf3 42.Kg1 Re8 Exerts pressure on the isolated pawn (42...Bh8 43.Kf1=+) 43.Rc3= Be4 44.Rb3 ½–½. Sternik,Ryszard – Brzoza,Miroslaw, corr 2. AMM Poland, 1994.

5.Nd5 Qd6 6.e4 e6 (6...Nf6 7.Bf6 gf6 8.Nb4 (8.ab4 f5 9.b5 b6 10.Qf3 Bg7 11.Ra4) 8...Nc6 9.c3 f5 10.ef5 Qe5 11.Ne2; 6...ba3 7.Ba3 Qe5 8.Bd3 (8.Ne2 Nc6 9.d4 Qb8 10.Nec3 e6 11.Bf8) 8...Nc6 9.Nf3 Qb8 10.Bb5 e6 11.Bf8) 7.Nb4 Nc6 8.Nd3 Qc7 9.Nf3 (9.Rb1 e5 10.Nf3 d6 11.Nb4) 9...d6 10.Be2 Nf6 (10...e5 11.Nb4) 11.Bf6 gf6 12.0-0 Bg7 13.c3 0-0 (13...f5 14.ef5 e5 15.Nb4 Bf5 16.Nh4=) 14.Nb4 (14.Nf4 Ne7 15.Nh5 e5=) 14...Nb4 (14...Ne7 15.Bd3=) 15.ab4+= b6 (15...f5 16.ef5 e5 17.Qb1+=) 16.Qc2 (16.Ba6 Ba6 17.Ra6 Qc4+=) 16...Bb7 (16...a5 17.Ra4+=) 17.Ba6+– d5 18.ed5 (18.Bb7!? Qb7 19.ed5 Qd5 20.Ra6+–) 18...Bd5= 19.Be2 (19.Ne1 f5=) 19...Kh8 (19...a5 20.b5=) 20.b5 f5 21.Ra3 (21.Ra4 Rg8=) 21...Rfc8 22.Re1 (22.Ra4 Rg8=) 22...Qd7 (22...Rg8 23.d3=) 23.d4+= Bc4 (23...Qc7 24.c4+=) 24.Bc4+– Rc4 25.Qe2 Qd5 (25...Rac8 26.Ne5 Be5 27.Qe5 (27.de5?! Re4 28.Qf1 Re1 29.Qe1 Rc5=+) 27...Kg8 28.Qg3 Kh8 29.h3+=) 26.Ng5 Bf6 (better 26...Kg8!?+–) 27.Nf7+– Kg7 28.Qh5 Rc7 (28...f4 29.Ne5 Be5 30.Re5 Qd7 31.Qg5 Kh8 32.Qf4 Qe7+–) 29.c4! Qd7 (29...Rc4 30.Qh6 (30.Rg3); 29...Qc4 30.Qh6 (30.Rg3)) 30.Rg3 Kf8 31.Qh6 (31.Qh6 Ke7 32.d5+–) 1–0. Woschkat,Karl_Heinz – Chatterjee, email 4AMM–08, 1997.

5.Nd5 Qd8 6.ab4 += e6 7.Nf4 d5 8.e3 Nf6 9.Nd3 Nc6 10.b5 Nb4? 11.Ne5. Myers.

5.ab4 Qb4 6.Qc2 Nc6 7.e3 Nf6 8.Nf3 e6 9.Bc3 Qb6 10.Be2 d5 11.0-0 Be7 12.d4 dc4 13.Nbd2 0-0 14.Nc4 Qd8 15.Qb2 Rb8 (15...Ne4 16.Ba5 Qd5 17.Bc7=) 16.Rfd1 Nd5 17.Bd2 White gets in control 17...b5 (17...a6!?=) 18.Nce5+= Ne5 19.Ne5 Qb6 20.Rdc1 b4 21.Bf3 a5 (21...Bg5!?+=) 22.Nc6+– Rb7 (22...Bd6 23.Nb8 Qb8 24.e4+–) 23.Na5 Opening the a–file gets White a lot of play (23.e4 Nf6 24.Ra5 Bd8+–) 23...Ra7 24.Nc6 Ra1 25.Qa1 (25.Ne7 Ne7 26.Ra1 Nc6+–) 25...Bf6+– 26.Bd5 ed5 27.Nb4 (27.Bb4 Re8+–) 27...Be6 28.Qa6 Rb8? (better 28...Qa6 29.Na6 Ra8+–) 29.Qb6+– Rb6 30.Nd5! (30.Nd5 Rb2 31.Bc3+–) 1–0. BeepBeepImAJeep (2560) – DeepFeller (2490), lichess.org, 2017.

5.c5 Qc5 6.ab4 Qb4 7.Bc3 Qb6 8.Nf3 Nc6 9.e3 d5 10.Be2 Bg4 11.0-0 Nf6 12.Qa4 Bf3 13.Bf3 e6 14.Na3 Be7 15.Rab1 (15.Rfb1 Qc7-/+) 15...Qc7-+ 16.Nb5 Qc8 (16...Qd8 17.Nd4 Qd7 18.Nc6 Qc6 19.Qb3-/+) 17.Bf6 gf6 18.Rfc1 Qd7 19.Qb3 (19.e4 Kd8=+) 19...a6 20.Nc3 b5?? (20...Na5 21.Qa2 Nc4 22.Na4-/+) 21.d3?? (better 21.Nd5 ed5 22.Qd5 Qd5 23.Bd5+=) 21...Ne5-+ 22.Be2 Rc8 23.f4 Nc6 24.Nd1 (24.d4 Qd6-+) 24...0-0 25.Qa2 Nb4 26.Qa1 Rc2 (better 26...Rc1 27.Rc1 d4-+) 27.Rc2-/+ Nc2 28.Qa6 b4 29.Rb2 Rc8 30.d4 Qc6 31.Qc6 (31.Qd3 Na3-/+) 31...Rc6 32.Bd3 (32.Kf2 Na3-+) 32...Na3-+ 33.Kf2 Rc1 34.Ke2 Nc4 35.Rc2 Rc2 36.Bc2 Na5 37.Ba4 b3 38.Nb2 (38.Kd2 Bb4 39.Kc1 f5-/+) 38...Ba3-+ 39.Nd3 (39.Nd1 Bc1-+) 39...b2 (39...Bc1 40.Bb3 Nb3 41.g4-+) 40.Bc2 Nc4 41.Bb1 Bd6 42.Kd1? (42.Ba2-+) 42...Ne3 43.Kd2 (43.Ke2 Ng2 44.Nb2 Nf4 45.Kf2 f5-+) 43...Nc4 (better 43...Ng2 44.Nb2 Bf4 45.Ke2 Bh2 46.Kf2-+) 44.Kc2 Kg7 45.g3 Kg6 (45...Na3 46.Kb2 Nb5 47.Ba2-+) 46.Nb2 (46.Kc3 Na3 47.Kb2 Kf5-+) 46...Nb2 (better 46...Na3 47.Kc1 Nb1 48.Kb1 Kf5-+) 47.Kb2-/+ Kh5 (47...f5 48.Bd3-/+) 48.Bh7 (better 48.Kc3!?-/+) 48...f5-+ 49.Bg8 (49.Kb3 Be7-+) 49...Kg6 50.h4? (50.Kc3-+) 50...Kg7 51.Bf7 (51.Kc3-+) 51...Kf7 52.h5 Kg7 53.Kc3 Kh6 54.Kd3 Kh5 55.Ke2 Kg4 56.Kf2 Bc7 57.Kg2 Bb6 58.Kh2 Bd4 59.Kg2 Bc3 60.Kh2 Be1 61.Kg2 (61.Kg1 Bg3 62.Kg2 d4 63.Kf1 d3 64.Kg1 Kf3 65.Kf1 d2 66.Kg1 d1Q) 61...Bg3 62.Kf1 (62.Kg1 d4 63.Kg2 d3 64.Kg1 Kf3 65.Kf1 d2 66.Kg1 d1Q) 62...Bf4 (62...Kf3 63.Kg1 d4 64.Kf1 d3 65.Kg1 d2 66.Kf1 d1Q) 63.Ke2-+ e5 64.Kd3 d4 65.Ke2 e4 66.Kf2 Be3 (66...d3 67.Ke1 Kf3 68.Kd1 Bh6 69.Ke1 e3 70.Kf1 e2 71.Kg1 Bf4 72.Kh1 e1Q) 67.Ke2 (67.Kf1 d3 68.Ke1 f4 69.Kf1 f3 70.Ke1 f2 71.Kf1 d2 72.Ke2 f1Q 73.Ke3 d1Q 74.Ke4 Qfe2) 67...f4 68.Kf1 f3 (68...d3 69.Ke1 f3 70.Kd1 Bf4 71.Ke1 e3 72.Kd1 e2 73.Ke1 d2 74.Kf2 e1Q) 69.Ke1 d3 70.Kf1 (70.Kd1 Bf4 71.Ke1 e3 72.Kd1 e2 73.Ke1 d2 74.Kf2 e1Q) 70...Kg3 (70...f2 71.Kg2 d2 72.Kh2 d1Q 73.Kg2 Qg1) 71.Ke1 Bd4 (71...Bd4 72.Kd1 f2 73.Kd2 Kf4 74.Kd1 f1Q 75.Kd2 e3; 71...f2 72.Kf1 d2 73.Ke2 f1Q 74.Kf1 d1Q) 0-1. zembelek (2105) - kurzeme (2015), Rated Blitz game, lichess.org, 2014. 5.c5 Qc7 6.ab4= d6 7.d4 a5 8.Qb3 (8.e3 Nf6+=) 8...dc5 (8...Nf6 9.Nc3+=) 9.bc5 Nc6 10.e3 e5 11.Bb5 ed4 12.ed4 Nf6 (12...Bd7+/-) 13.Ne2 (13.d5 Bc5 14.Bf6 gf6 15.dc6 bc6+/-) 13...Bd7 (13...Be6 14.Qg3 Qg3 15.Ng3+=) 14.Nbc3 Nd4 (14...b6 15.d5 Na7 16.c6+/-) 15.Nd4 Qc5? (better 15...Bc5!? 16.Ra4 0-0+/-) 16.Bd7 (16.0-0 Qd4 17.Rfe1 Kd8+-) 16...Nd7 17.Ne4 (17.Nd5 a4 18.0-0 ab3 19.Ra8 Nb8 20.Rb8 Kd7 21.Rb7 Kc8+-) 17...Qb6? (17...Qb4 18.Kd1 Qb3 19.Nb3+/-) 18.0-0 (18.Nb5!? Qg6 19.0-0 Kd8+-) 18...Qb3 19.Nb3 Bb4 (19...a4 20.Rfe1 Kd8 21.Ng5+-) 20.Bg7 Rg8 21.Bd4 (21.Bc3 Bc3 22.Nc3 b6+-) 21...f5 22.Nec5 Nc5 23.Nc5 (23.Bc5 Bc3 24.Rac1 Bf6+-) 23...Bc5 (23...b5 24.Nd3 Bd2 25.Rfd1+-) 24.Bc5 b5 Black prepares a4 (24...a4 25.Rfe1 Kd7 26.Re7 Kc6 27.Rc1+-) 25.Rfb1 f4 26.Rb5 f3 27.g3 (worse 27.Rba5 Ra5 28.Ra5 Rg2 29.Kh1 Rg5+-; worse 27.Raa5 Ra5 28.Ra5 Rg2 29.Kh1 Rg5+-) 27...a4 (27...Kf7 28.Rba5 Ra5 29.Ra5+-) 28.Ba3 (better 28.Rb7!? 0-0-0 29.Rh7 Rg4+-) 28...Rg6 (28...Kf7 29.Rf5 Kg6 30.Rf3+-) 29.h4 (29.Rb7 0-0-0 30.Rh7 Rg4+-) 29...Re6 (29...h6 30.Rf5 Raa6 31.Rf3+-) 30.Rf5 Rc8 (30...Raa6 31.Rf8 Kd7 32.Rf7 Kc6 33.Rh7+-) 31.Rf3 (better 31.Rf8 Kd7 32.Rd1 Kc7 33.Rc1 Kd7 34.Rfc8 Re1 35.Re1 Kc8+-) 31...Rc4 (31...Rc7 32.Bb4 Rf7 33.Rf7 Kf7 34.Ra4+-) 32.Kg2 (32.Rd1 Re7+-) 32...h5 (32...Ree4+-) 33.Rd1 Re2 (33...Re7 34.Be7 Ke7 35.Re3 Kf7 36.Ra3+-) 34.Rd5 (34.Rf8) 34...Ra2 (34...Re7 35.Be7 Ke7 36.Rh5+-) 35.Rh5 (35.Rf8) 35...Rcc2 36.Rhf5 (36.Rf8 Kd7 37.Rh7 Kc6 38.Rf6 Kd5 39.Rh5 Kc4 40.Rf4 Kc3 41.Rc5 Kd3 42.Rc2 Kc2 43.Ra4 Kb3+-) 36...Kd7 37.h5 Ra1 (37...Ke6 38.R5f4 Ra1 39.g4+-) 38.h6 Rca2 (38...Ra3 39.Ra3 Ke6+-) 39.h7 Ra3 40.Ra3 (40.Ra3 Kc6 41.h8Q Rc1 42.Qc8 Kb6 43.Rf6 Ka5 44.Qc1 Kb5 45.Rc6 Kb4 46.Qc5) 1-0. zembelek (2045) - kurzeme (2060), Rated Blitz game, lichess.org, 2014.

5.Nc3 b6 6.Ra2+– Qa2 7.Na2 bc5 8.Nc3 a6 9.e4 d6 10.Bc4 e6 11.Nf3 Be7 12.0-0 Nf6 13.e5 Nfd7 14.ed6 Bd6 15.Qe2 0-0 (better 15...Bb7+–) 16.Ng5 Ne5 (16...Nf6 17.Nce4 Ne8 18.Qd3+–) 17.Qe4 (17.Qe4 g6 18.Be6+–) 1–0. Elce4 – Hanba, internet, 2019.

5.Nc3+/– e5 6.e3 Bc5 7.Na4 Qa3 (better is 7...Qa1!? 8.Qa1 Bd6+–) 8.Ra3 Ba3 9.Qa1 Bd6 10.Nb6! ab6 11.Qa8 Nf6 12.Qa7 Bc7 13.Qa3 Na6 14.Nf3 Nc5 15.d4 ed4 16.ed4 Nce4 17.Ne5 Nd6 18.Nc4 (18.Bd3 0-0+–) 18...Nb5 (18...Nc4 19.Bc4 d5 20.Bb5 Kd8 21.f3+–) 19.Qb2 (19.Qb2 Na7 20.d5+–) 1–0. forsetinn (1780) – chirhou (1620), gameknot.com, 2013.

5.Nc3 e6 6.Ra2 Qa2 7.Na2 Bc5 8.Nc3 Nf6 (8...Nc6 9.e4 Nge7 10.Nf3+–) 9.e4 Ba3?? (better 9...0-0+–) 10.Nb5+– 1–0. Pierre – Zaols, internet, 2020.

5.Nc3 Nc6 6.e3 e5 7.Na4 Qe7 8.c4 d6 9.Nf3 Bg4 10.Be2 Nf6 11.0-0 g6 12.Nc3+= Bg7 13.Nd5 Nd5 14.cd5 Nb8 15.Qa4 Qd7?? 16.Bb5+– 1–0. Krueger,Jan – Kubacek,Josef, corr ICCF WSTT/3/06/2, 2006.

5.e3 e5 6.Nf3= Nc6 7.Nc3+= Qa5 8.Bb5 Nge7 9.0-0 f5 10.e4 a6 11.Bc4 fe4 12.Ne4+/– d5 13.Nd6+– Kd7 14.Nf7 dc4 15.Nh8 Qd5 16.d3 Ke8 17.Re1 cd3 18.Ne5+– Be6? 19.Nd3 Rd8 20.Qe2 Bg8 21.Rad1 Qa2 22.Qf3 Rd5 23.Qg4 Kd8 24.c4 Rd7 25.Nc5 Rd1 26.Rd1 Kc7 27.Qf4 Kc8 28.Be5 Ne5 29.Qf8 (29.Qf8 Kc7 30.Qd8 Kc6 31.Qd6) 1–0. Haznedaroglu,Kivanc (1990) – Kubacek,Josef, corr ICCF WSTT/3/06/2, 2006.

5.Nf3 d5 +=.

4.c4 Nd7 5.d4 Ngf6 6.c5 Qc7 7.e3 d5 8.Nf3 a5 (8...b6 9.Nc3=) 9.Nbd2 b5 (9...b6 10.cb6 Qb6 11.Bc3=) 10.Bd3 g6 (10...a4 11.0-0+=) 11.0-0 (11.a4 ba4 12.Qa4 Rb8 13.Qa5 Qa5 14.Ra5 Rb4+/-) 11...Bg7 (11...a4 12.e4+=) 12.h3 (12.a4!? Ba6 13.Qe2+/-) 12...0-0 13.Qc2 Re8 14.Rfd1 Nf8 15.Ne5 N6d7 16.f4 f6 17.Ng4 e5 18.fe5 fe5 19.de5 Ne5 (worse 19...Be5 20.Nf3 Re7 21.Nge5 Ne5 22.Ne5 Re5 23.e4+-) 20.Ne5 Be5 21.e4 ab4 22.ab4 Ra1 23.Ra1 (23.Ba1 Ba1 24.Ra1 Ne6 25.ed5 Qe5=) 23...Be6 (23...Bh3 A) 24.gh3? Bb2 25.Qb2 Qg3 26.Kf1 Qd3 27.Ke1 Qh3-+ (27...de4?! 28.Ra3 Qd5 29.Re3-+); B) 24.ed5 cd5 B1) 25.gh3 Bb2 26.Qb2 Qg3 27.Kh1 Qh3 28.Kg1 Qd3-+; B2) 25.Bb5 Bf5 26.Be5 Qe5=+ (26...Bc2?? 27.Bc7 Rc8 28.Ra7+-; worse 26...Re5 27.Qc3+=); B3) 25.Nf3 Bb2 26.Qb2=) 24.ed5 (24.Ra6!?=) 24...Bd5=+ 25.Rf1 Qg7 26.Be5 Qe5 (26...Re5?! 27.Be4+=) 27.Nf3 Bf3 (better 27...Qe3!? 28.Kh1 Qf4-/+) 28.Rf3= Qd4 29.Kh2 Qb4 30.Qf2? (better 30.Qa2 Ne6 31.Rf6=) 30...Ne6-+ 31.Bb1?? (31.Re3 Qc5 32.Qe1 Qd6 33.Kh1 Qd7-+) 31...Qc5 (better 31...Qb1 32.Qh4 Rf8 (32...Nc5?! 33.Qf6 Qa2 34.Qc6-/+) 33.Rf8 Nf8-+) 32.Qe2 Qd6 33.g3 (33.Kh1 Ng7 34.Qf1 Qb4-+) 33...Nc7 (33...Rf8!? 34.Re3 Nd4 35.Qa2 Kg7 36.Be4-+) 34.Ba2 Kg7 35.Qb2 Qe5 36.Qc2? (better 36.Rf7 Kh6 37.Qg2-+) 36...Qe2 37.Rf2 Qc2 38.Rc2 Nd5 (better 38...c5!? 39.Kg2 c4 40.Bc4 bc4 41.Rc4-+) 39.Bd5 cd5 40.Kg2 Rd8 (40...b4 41.Rd2-+) 41.Kf3 (41.Rc5 d4 42.Rb5 d3-+) 41...d4 42.Rd2 d3 43.Ke3 b4 44.Rd3 Rd3 45.Kd3 Kf6 46.Kc4 Ke5 47.Kb4 Ke4 48.Kc3 Kf3 49.h4 (49.Kd4 Kg3 50.Ke5 Kh3-+) 49...Kg3 50.h5 gh5 51.Kd2 h4 52.Ke2 Kg2 (52...Kg2 53.Ke3 h3-+) 0-1. ESP_918 (1995) - zumpili (2190), Rated Blitz game, lichess.org, 2018.

4.e3 Nd7 5.Bd4 a5?? (better 5...Qc7=) 6.Bb6+- Nb6 7.ba5 Ra5 8.Nf3 Ra8 (8...e5 9.d4+-) 9.Be2 e5 10.0-0 Nf6 11.d4 Be7 (11...e4 12.Nfd2+-) 12.de5 de5 13.Ne5 0-0 14.Nd3 Be6 15.c3 Nbd5 16.Nd2 (better 16.c4 Nb6+-) 16...Nc3 17.Qc2 (better 17.Qe1 Ra3 18.Ra3 Ba3+-) 17...Ne2 18.Kh1 Nd5 19.e4 (19.Rae1 Ndc3 20.Nb1 Rfd8+-) 19...Nf6? (19...Ndf4 20.Nf3 Rfd8+-) 20.Nf3 Nd4 (20...Ne4 21.Qe2 Bd5+-) 21.Nd4 Rfd8 (21...Bc8 22.e5+-) 22.Ne6 fe6 23.Nf4 (better 23.Qc4 Rd6 24.e5 b5+-) 23...Kf7 (23...Rd7 24.Qb3 Kh8 25.Qh3+-) 24.Qb3 Rd6 (24...Ke8 25.Ne6 Rd7 26.Ng7 Kf8 27.Ne6 Ke8 28.e5+-) 25.Rad1 (25.e5 Re8 26.ed6 Bd6+-) 25...Rad8 (25...Ra3 26.Qb7 Rd1 27.Rd1 Ne4+-) 26.Rd6 Rd6 (26...Bd6 27.Ne6 Re8 28.Rd1 Re6 29.Rd6+-) 27.Rd1 (better 27.e5 Rd5 28.ef6 gf6 29.Qh3+-) 27...Rd1 28.Qd1 e5 (28...g5 29.Nd3 Ne4 30.Ne5 Kf6 31.Qd4 Nf2 32.Kg1 Nh3 33.gh3+-) 29.Qb3 Ke8 30.Ne6 (better 30.Nd3 Ne4 31.Qb7 Kf7+-) 30...Kd7 (30...Ne4 31.f4 ef4 32.Ng7 Kf8 33.Ne6 Ke8 34.Qb7 Nf2 35.Kg1 Ng4+-) 31.Nc5! Bc5 32.Qf7 (32.Qb7!? Kd6 33.Qb8 Ke6+-) 32...Kd6 (32...Be7+-) 33.Qg7 (33.Qg7 Ne4 34.f3 Nf2 35.Kg1+-) 1-0. Jimito100 (1895) - sofiko_tereladze (2145), Hourly Bullet Arena, lichess.org, 2020.

4.e3 Nf6 5.Bc4 a5 6.Ne2 ab4 7.0-0 d5 8.Bd3 c5 9.Ng3 Nc6 10.ab4 Ra1 11.Ba1 Nb4 12.Be2 e6 13.Bf6 gf6 14.c3 Nc6 15.c4 Be7 (15...dc4 16.Bc4 Ne5 17.Be2=+) 16.cd5= ed5 17.Bg4 Be6 18.Bf5 h5 19.Nh5 Qc7 20.Qg4 Ne5 21.Qh3 Ng6 (21...Kd7 22.Nc3 Qc6 23.d4 cd4 24.ed4=+) 22.Nc3 Qc6 23.Ra1 b6 (23...Kd7!=) 24.Ng7+/- Kf8 25.Ne6 fe6 26.Qg3 ef5 (better is 26...Bd6!? 27.Qg6 Bh2 28.Kf1 ef5+=) 27.Qg6+- d4 (27...Rg8 28.Qf5 Rg5 29.Qf3+-) 28.ed4 cd4 29.Ne2 Rg8 30.Nd4 Rg6 31.Nc6 Rg4 32.d4 Re4 33.g3 (33.Ne7?! Ke7 34.Rd1 b5+-) 33...Ke8 34.Ra7 Bd6 35.Rb7 Re1 (35...f4 36.Rb6 fg3 37.hg3+-) 36.Kg2 Rb1 37.h4 f4 38.gf4 1-0. pereira - wissem, internet, 2006.

4.Nf3 e5 5.e4 Bg4 6.d4 Nd7 7.Be2 Ngf6 8.Nbd2 Be7 9.Nc4 Qc7 10.de5 de5 11.Nfe5 (< 11.Be5 Ne5 12.Nce5 Bf3 13.Nf3 Ne4=; < 11.Nce5 Bf3 12.Nf3 Ne4 13.Bg7 Rg8+=) 11...Be2 12.Qe2 0-0 13.Rd1 Rfe8? (better is 13...Rad8+/-) 14.Nd7+- Nd7 15.Bg7! Kg7 (15...f5 16.Bb2 Bf8 17.Ne3 Re4 18.Qh5+-) 16.Qg4 Kh8 (16...Bg5 17.Qg5 (17.Rd7?! Re4 18.Qe4 Qd7+/-; 17.Qd7? Re4 18.Ne3 Be3-+) 17...Kf8 18.0-0+-) 17.Rd7 (17.Qd7?! Qf4 18.0-0 Qe4+/-) 17...Qc8 (17...Qb8 18.Qf5 a5 19.Re7 Re7 20.Qf6 Kg8 21.Qe7 Qe8 22.Qg5 Kf8 23.Qc5 Qe7 24.Qe7 Ke7 25.Na5 Ra7+-) 18.Qf5 Qd7 (18...Bb4 19.ab4 Re4 20.Ne3 Rf4 21.Qe5 f6+-) 19.Qd7 (19…Bf6 20.Qf7 Re4 21.Ne3+-) 1-0. marekt - darkestnightmare, ChessWorld.net, 2004.

4.Nf3 e6 5.e3 Be7?? 6.Bg7 Bf6 7.Bf6?? (better is 7.Bh8 Bh8 8.d4+–) 7...Nf6+/– 8.Be2 a5 9.ba5 Qa5 10.Nc3 Ng4 11.Nd4 Qh5?? 12.Bg4+– Qg5 13.h4 Qg7 14.Qf3 Rg8 15.Bh3 e5 16.Nf5 Bf5 17.Qf5 f6 18.Qc8 Ke7 19.Qd7 Nd7–+ 20.Ne4 d5 21.Nc3 Ra5 22.Ke2 d4 23.ed4 ed4 24.Ne4 f5 25.Ng3 Re5 26.Kf1 f4 27.Ne2 f3! 28.gf3 d3! 29.cd3 Re2! 30.Ke2 Qe5 31.Kf1 Qa1 32.Ke2 Qh1 33.d4 Qh3 34.Kd3 Qh4 35.Kc2 Qd4 36.d3 Qf2 37.Kc3 Qf3 38.Kc4 Rg4 39.Kc3 Rf4 40.a4 Nc5 41.a5 Qd3 42.Kb2 Rb4 43.Ka2 Qb3 44.Ka1 Qb1 (44...Ra4) 0–1. erisonpassos – goliathe, kurnik, 2011.

4.Qc1 d6 =.

4.Qc1 Bd6?? 5.Bg7+– Be7 6.Bh8 Bh4 7.g3 Bg5 8.Bb2 Nf6 9.Nf3 Ne4 10.Bd4 c5 11.bc5 Nc5 12.e3 Bh6 13.Bg2 Qd6 14.0-0 Ne4 15.d3 Ng5 16.Nbd2 Nf3 17.Nf3 Nc6 18.Bb2 b6 19.Nd4 Nd4 20.Bd4 Rb8 21.Qb2 Bb7 22.e4 Bc6 23.Bg7 Bg5 24.h4 Be7 25.Bf6 Bf8 26.Bg7 Be7 27.Bf6 Bf8 28.Be5 Qe7 29.Bb8 Qd8 30.Ba7 b5 31.Bd4 Bh6 32.Bf6 Qc7 33.Qe5 Qe5 34.Be5 Ke7 35.c3 d6 36.Bd4 e5 37.Be3 Bg7 38.Rfe1 f6 39.d4 ed4 40.cd4 Ke6 41.d5 Bd5 42.ed5 Kd7 43.a4 f5 44.ab5 Ba1 45.Ra1 f4 46.Bf4 h5 47.Ra7 Kd8 48.b6 Kc8 49.b7 Kb8 50.Ra8 Kb7+– 51.Rh8 Kb6 52.Rh5 Kc5 53.Rh6 Kb6 54.Rd6 Kb5 55.h5 Kc4 56.h6 Kd4 57.h7 Kd3 58.h8Q Ke2 59.Qe5 Kd3 60.Qe3 Kc4 61.Rc6 Kb5 62.Qc5 Ka4 63.Ra6 Kb3 64.Ra3 Kb2 65.Qc3 Kb1 66.Ra1# (66.Be4#) 1–0. linakip – mietko3, kurnik, 2012.

4.c4 a5 (--> 3.a3 a5 4.c4 e6).

4.c4 d5 5.c5 Qc7 6.e3 Ne7 7.Nf3 b6 8.cb6 Qb6 9.Nc3 Nf5 10.Na4 Qc7 11.Be2 a5 12.ba5 Ra5 13.Nc3 Ba6 14.Ba6 Ra6 15.0-0 h5 (15...Nd6 16.d3+=) 16.d4 f6 (16...Bd6 17.Qe2+=) 17.Qe2 g5 (18.e4 Ne7+/–) 18...Bd6 (18...g4 19.Nd2=) 19.Rfb1 (19.e4!? de4 20.Ne4+/–) 19...g4= 20.Ne1 h4 21.Ng2? (21.Bc1 hg3 22.Rb8 Qb8 23.Qa6 gf2 24.Kf2 Rh2 25.Kg1=) 21...hg3–+ 22.fg3 Qg7 23.e4? Nd4 24.Qe3 Nc2 25.Qe2 Na1 26.Ra1 Bc5 27.Kh1 Qg5 28.ed5–/+ cd5 29.Bc1?? Qe5 30.Qe5 fe5 31.Ne2 Bd4 32.Nd4 ed4 33.Bb2 e5 34.Re1 Rh5 35.Bd4 Rf6?? 36.Be5+– Rb6?? 37.Bd4 Kd7 38.Bb6 Nc6 39.Bc5 d4 40.Nf4 Rc5= 41.Rd1 Ra5 42.Ne2 Ra4 43.Kg2 Ke6 44.Rd3 Ke5 45.h4 Ne7 46.Nf4 Ng8 47.Rb3 Ke4 48.Ne2 d3?? 49.Nc1 d2 50.Rb4?? Rb4 51.ab4 Nf6 52.b5 d1Q 53.b6 Qd2 54.Kg1 Qc1 55.Kg2 Qc2 56.Kf1 Qc4 57.Kg2 Qa2 58.Kf1 Qa6 59.Kg2 Qb6 60.h5 Qb2 61.Kg1 Qb1 (61...Qb1 62.Kf2 Qc2 63.Ke1 Ke3 64.h6 Qe2; 61...Kf3 62.h6 Qg2) 0–1. Fournier,Frederic (2110) – elastuto (1690), Echecs21 (5/0), 2003.

4.c4 d6 5.Nf3 (5.e4 c5=) 5...d5 (5...e5 6.Nc3=) 6.e3+= dc4 (6...Ne7 7.c5 Qc7 8.Be5+=) 7.Bc4 a5 8.b5 (8.Bd4 Qd8 9.b5 Nf6+=) 8...cb5 9.Bd4 Qc6 (9...Qd8 10.Bb5 Bd7 11.Bd7 Qd7 12.Ne5+=) 10.Be2 (10.Bf1 Qc7+=) 10...Ne7 (10...Na6 11.Nc3 Nc7 12.Rc1 Ba3 13.Rc2+/–) 11.Nc3+/– Nf5?? (better is 11...Qd7+/–) 12.Bb5+– Ne3 (12...Bd7 13.Bc6 Nc6+–) 13.de3 Qb5 14.Nb5 Nc6 15.Nc7 Kd8 16.Bb6 Bd7 17.Na8 Ke7 18.Rc1 Ke8 19.Rc6! Bc6 20.Qd8# 1–0. pcmvr (2865) – antiochusiv, net–chess.com, 2008.

4.c4 Nf6 5.e3 Be7 6.Nf3 a5 7.c5 Qd8 8.d4 ab4 9.ab4 Ra1 10.Ba1 b6 11.Qa4 bc5 12.bc5 0-0 13.Bc3 Bb7 14.Be2 Nd5 15.0-0 d6 16.Ba5 Qc8 17.cd6 Bd6 18.Nc3 Ba6 19.Ba6 Qa6 20.Nd5 cd5 21.Ra1 Rc8 22.Qd1 Qc6 23.Bd2 Nd7 24.Rc1 Qa6 25.Rc8 Qc8 26.Qc1 Qb8 27.h3 h6 28.Bc3 Nf6 29.Nd2 Bh2 30.Kh1 Bd6 31.Kg1 Qc8 32.Bb2 Qa6 33.Qf1 Qb6 34.Qc1 Qa6 35.Qf1 Qa5 36.Qe2 Qa2 37.Qb5 Bc7 38.Qb3 Qa5 39.Qc3 Qb6 40.Ba3 Nd7 41.g3 Qb8 42.f4 Nf6 43.Kf2 Qd8 44.Kf3 Ba5 45.Bb4 Bb4 46.Qb4 Qa8 47.Qb2 Qc8 48.h4 h5 49.Qb1 Qc3 50.Ke2 Ng4 51.Qd3 Qc1 52.Qb1 Qc8 53.Qb2 Qa6 54.Kf3 g6 55.Qc3 Qa2 56.Ke2 Qa6 57.Qd3 Qa1 58.Qb1 Qa7 59.Qc2 Kg7 60.Qd3 Nh6 ½–½. Pietschker,Manfred – Tardel,Olaf, Landesliga2 West, 2000.

4.d3 c5!? =.

4.d3 Bc5 5.Nd2?? (better is 5.e3 Bf8 6.Nd2+=) 5...Bf2# 0–1. golfx – holyport, kurnik, 2011.

4.d3 f6 5.Nd2 a5 (5...d5 6.e4=) 6.c3 (6.Nc4 Qb5 7.Bd4 Ra6=) 6...c5 (6...d5!?=) 7.Nc4+/– Qc7 8.Qa4 (8.Na5 d5+/–) 8...Na6 (8...Kf7 9.Nd2 d5=) 9.d4 (better is 9.Na5!? Nb8 10.Qb5+/–) 9...cd4=+ 10.cd4? (10.ba5 dc3 11.Bc3 Bc5=+) 10...ab4?? (better is 10...Qc4 11.e3 Qc6–+) 11.Qb3 (11.e4 Qf4 12.Qc2 ba3 13.Ba3 Nb4=+) 11...ba3 12.Ra3? Ba3 13.Ba3 Qf4?? 14.e3 Qg5? 15.Nd6 Kf8 16.Nc4 Kf7 17.Nb6?? Rb8 18.Nc8?? Rc8 19.Ba6 ba6 20.Ne2 Ne7 21.0-0 Rb8 22.Qa4 Rhc8 23.Qd7–/+ f5 24.Nf4 Rd8?? 25.Qe6+– Kf8 26.Nd5 Re8?? 27.Qa6 Ra8 28.Qd3 Kf7 29.Ne7 Re7 30.Qc4?? Kf8? 31.Bc5 Qf6 32.Qd5 Rae8 33.Rb1 Qe6 34.Qe6 (34.Qe6 g6 35.Be7 Kg7 36.Rb7 Kh6 37.Qf6 Re7 38.Qh4 Kg7 39.Qe7 Kh6 40.Qh4#) 1–0. golfx – holyport, kurnik, 2011.

4.d4 d5 5.Nd2 =.

4.d4 Nf6 5.Nc3 (5.c4 d5=) 5...Be7 (5...a5 6.Na4 Qd8 7.Nc5=) 6.Nf3 (6.e4 d6=) 6...h6 (6...a5 7.Na4 Qd8 8.Nc5=+) 7.h4 (7.e4 0-0+=) 7...d6 (7...a5 8.Na4 Qd8 9.Nc5=+) 8.Na4 (8.e4 0-0=) 8...Qd8=+ 9.h5 (9.c4 d5=) 9...0-0 (9...b5 10.Nc3=+) 10.e3 (10.c4 d5=+) 10...Ne4 (better is 10...b5 11.Nc3 a5=+) 11.c3?? (11.Bd3 d5=) 11...Bd7?? (11...b5 12.Bd3 f5 13.Rb1-+) 12.g3?? (better is 12.Bd3 Nf6 13.c4=) 12...b5-+ 13.Qd3 f5 14.g4 ba4 15.g5 hg5 16.0-0-0 Nf2 17.Qd2 Nh1 18.Qg2 g4 19.Nd2 Bg5 20.Re1 Bh4 21.Rd1 Ng3 22.b5 Nf1 23.Nf1 d5 24.bc6 Nc6 25.e4 de4 26.d5 ed5 27.Rd5 Na5 28.Ng3 Qc7 29.Ne2 Bg5 30.Kb1 Nc4 31.h6 Rab8 32.Nd4 Rb2 33.Ka1 Rg2 (34.Ne2 Qb7 35.Rb5 Qb5 36.h7 Kh7 37.Ka2 Qb2) 0-1. Bogdan - MichaelKnopf, mySchach.de, 2005.

4.e3 a5 5.Bd4 c5 (better is 5...Qc7!? 6.b5 c5=) 6.bc5+/– Bc5?? (better is 6...Qc6+/–) 7.Bg7+– Ne7 8.Bh8 Nbc6 9.Bf6 Nd5 10.Bc3 f6 11.Qh5 Kd8 12.Ne2 Kc7 13.Nd4 Nc3 14.Nc3 Nd4 15.ed4 Bd4 16.Qf3 Bc3 17.Qc3 Kd8 18.Qf6 Kc7 19.Bd3 Qc5 20.0-0 b6 21.a4 Kb8 22.Qf4 e5 23.Qf5 d6 24.Qf7 Ra7 25.Qf3 Rg7 26.Rab1 Ka7 27.Bf5 Bb7 28.Be4 d5 29.Bf5 e4 30.Qh3 Qc2 31.Rfd1 Qc7 32.Rbc1 Qe5 33.d4 Qf6 34.Bg4 Qg5 35.Bc8 1–0. wojtekkk (1715) – anhba, kurnik, 2011.

4.e3 d6 5.Bd4 Qc7 6.c4 e5 7.Bb2 Nd7 8.d4 Ngf6 9.de5 de5 10.Nf3 Be7 11.Be2 e4 12.Nd4 0-0 13.Nf5 Bd6?? (better 13...Ne5 14.Ne7 Qe7=) 14.Nd6 (better 14.Qd6 Qb8 15.Ne7 Kh8 16.Bf6 Qd6 17.Bg7 Kg7 18.Nf5 Kf6 19.Nd6+-) 14...Qd6 (14...Rd8+-) 15.Qd6 Ne5 (15...a5 16.0-0+-) 16.Qe5 Be6 17.Qg3 (better 17.Nd2 Ne8+-) 17...g6 18.Bf6 Rfd8 19.Bd8 (better 19.Qh4 Kf8 20.Bd8+-) 19...Rb8 20.0-0 (20.Qb8 Kg7 21.Be7 Bc8 22.Qe5 Kg8 23.Bf6 Kf8 24.Qe7 Kg8 25.Qe8) 20...Rd8+- 21.Qf4 Bf5 22.g4 (22.g4 Be6 23.Nc3+-) 1-0. Jimito100 (1925) - Raj1794 (1915), Rated Bullet game, lichess.org, 2020.

4.e3 Bd6 5.Bg7 Ne7 6.Bh8 Ng6 7.Bd4 c5 8.Bc5 Bc5 9.bc5 Qc5 10.d4 Qe7 11.Qh5 f5 12.Nf3 Nc6 13.Ng5 b6 14.h4 Bb7 15.Qh7 0-0-0 16.Qg6 a5 17.Nc3 Na7 18.h5 Rh8 19.h6 1–0. Rosner,Dirk – Fischer,Hermann, Tiger SC, 2000.

4.Nf3 c5? 5.e3 cb4 6.Bd4! Qa5 7.ab4 Qb4 8.Ba7! b6 9.Nc3 Nc6 10.Nb5 Bd6 11.c3 Qc5 12.d4 Qd5 13.Bc4! Qh5 14.Nd6 (cont. unknown). Myrberg – Lemola, corr Nordisk Cup 87.

4.Nf3 d5 5.g3 Nd7 6.Bg2 f6 7.e3 Qa6 8.d3 Bd6 9.0-0 Ne7 10.Nd4 Ne5 11.f4 N5g6 12.Nc3 e5 13.Nf3 0-0 14.fe5 Ne5 15.Ne5 Be5 (< 15...fe5 16.Rf8 Kf8 17.Qh5+/–) 16.d4 Bd6 17.e4 Qb6 18.Ne2 (better is 18.ed5!? Bd7 19.dc6 Bc6 20.Ne4+/–) 18...Bg4 19.ed5 Nd5 20.Qd2 Be2 (better is 20...Rae8!? 21.Bf3 Bf3 22.Rf3 Qa6=+) 21.Qe2+= Ne7?? (21...Rfe8!? 22.Qc4 Kh8 23.Bd5 cd5 24.Qd5 Re2+=) 22.c4 (better is 22.Qe6 Kh8 23.Qd6+–) 22...Qd8+/– 23.c5 Bc7 24.Rae1 Ng6 25.Qe6 Kh8 26.d5 Re8 27.Qe8 Qe8 28.Re8 Re8 29.d6 Bd8 30.b5! Re2 31.Bc3 cb5 32.Bb7 h6 33.c6 Rc2 34.Bb4?? Bb6 35.Kh1 Ne5 36.c7 Bc7 37.dc7 Rc7 38.Ba6 Nd3 39.Bb5 Nb4 40.ab4 Rb7 41.Ba6 Rb4 42.Ra1 g5 43.Bd3 Rb7 44.Be4 Re7 45.Bf5 Kg7 46.g4 Kf8 47.h3 Ke8 48.Ra6 Kf7 49.Kg2 Rc7 50.Kf2 Ke7 51.Re6 Kf7 52.Ra6 Ke7 53.Ke2 Kf7 54.Kd3 Ke7 55.Bg6 Rb7 56.Kc3 Rc7 57.Kd4 Rd7 58.Kc5 Rc7 59.Kd5 Rb7 60.Kc6 Rb6 61.Rb6 ab6 62.Kb6 Ke6 63.Bf5 Ke5 64.Kc6 Kf4 65.Kd6 Kg3 66.Ke6 Kh3 67.Kf6 Kh4 68.Kg6 1–0. rryy44 – romek0508, kurnik, 2012.

4.c4 a5 5.c5 Qc7 6.d4 (6.Nf3 ab4 7.e3 d6=) 6...g6 (6...ab4 7.Nf3=+) 7.e3 (7.Nc3 Bh6=) 7...Bg7 (7...ab4 8.Nd2=+) 8.Nf3 (8.Nc3 d6=) 8...0-0 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Bc4 (9.Nc3!?+=) 9...d5 (9...ab4 10.Nbd2=+) 10.cd6 ed6 (10...Qd6 11.b5=) 11.0-0 (11.Nc3 Nbd7=) 11...d5 (11...ab4 12.ab4 Ra1 13.Ba1=+) 12.Bd3= b5 (12...ab4 13.Nbd2=) 13.ba5 (13.Nbd2 ab4 14.ab4 Ra1 15.Qa1 Re8+=) 13...Qa5 14.Nbd2 Nbd7 15.Rc1 (15.Qc2 Bb7+=) 15...Bb7= 16.Re1 (16.Qe2 Rae8=) 16...Rfe8 17.Nb3 (17.Qb3 Bh6=) 17...Qc7 (17...Qb6 18.Qc2=+) 18.Bb5= The backward pawn on c6 becomes a target 18...Qb6 (18...Bf8 19.Ne5 Ne5 20.de5+=) 19.Bd3 Ba6 20.Ba6 (20.Rb1 Ne4=) 20…Ra6 0–1. Snoopy85 – AsceticKingK9, ChessWorld.net, 2011.

4.c4 e6 5.e3 d5 6.Nf3 (6.Bf6 gf6 7.d4 dc4+=) 6...dc4 (6...Qd8 7.Nc3=) 7.Bc4 Nd5 (7...a5 8.Bf6 gf6 9.Qa4=) 8.d4 (8.0-0 Qd8+=) 8...Nd7 (8...Bb4!? 9.Nbd2 Be7=+) 9.0-0+= N7f6 10.Nbd2 Bd6? (10...a5 11.e4 Nf4 12.Qa4+=) 11.Qb3 (11.e4 0-0+-) 11...Qc7 (11...Ng4 12.h3 Nh6 13.Bd3+/-) 12.Rac1 (12.e4 Ng4 13.ed5 Bh2 14.Kh1 ed5 15.Rae1 Be6+-) 12...Qe7? (12...Ng4 13.h3 Nh2 14.Nh2 Bh2 15.Kh1+/-) 13.Rfd1 (13.e4 a5+-) 13...Bd7? (13...Nb6 14.Bd3+/-) 14.g3?? (better 14.e4!?+-) 14...b5 (better 14...Nb6!?+=) 15.Bd3+/- h6 (better 15...Bb8!?+/-) 16.e4+- Nb6 (16...a5 17.ed5 cd5 18.Bc3+-) 17.e5 Nfd5 (17...Nbd5 18.ef6 gf6 19.Ne4+-) 18.ed6 Qd6 19.Ne5 (19.Ne4 Qe7+-) 19...0-0 20.Ne4 Qb8 (20...Qe7 21.Nc6 Bc6 22.Rc6+-) 21.Nc6 Bc6 22.Rc6 Qe8 23.Rdc1 Qe7 (23...Nc4 24.Rc5+-) 24.Nd6 (24.Bb5 a5+-) 24...Rad8 (24...a6 25.Ne4+-) 25.Nb5 Qf6 (25...Qd7 26.Qc2+-) 26.Nc7 (26.Na7 Ra8 27.Nb5 Rfc8+-) 26...g5 (26...Rd7 27.Na6+-) 27.Nd5 (27.a4 Qe7 28.a5 Na8 29.Nd5 Rd5+-) 27...Rd5 (27...Nd5 28.Be4 Qe7 29.R1c5+-) 28.Bb1 (better 28.Be4 Rfd8+-) 28...Rdd8 (28...Rfd8 29.Be4+-) 29.Qd3 (29.d5 Qe7 30.de6 Nd5 31.ef7 Kf7 32.Rh6 Rg8 33.Qf3 Nf4 34.Rh7 Kf8 35.Re7 Rg6+-) 29...Nd5 (29...Rfe8+-) 30.Qh7 1-0. ClayPigeons (1985) - dayafternight (1935), Rated Bullet game, lichess.org, 2019.

4.e3 d6 5.Nf3 Bg4 (5...e5 6.Nc3=) 6.Be2 (6.h3 Bf5=) 6...Bf3 (6...e5 7.Nc3=) 7.Bf3 g6 (7...e5 8.Be2=) 8.d3 Bg7 9.Nd2 0-0 10.0-0 e5 11.Re1 Nbd7 12.c4 a5 13.Qb3 ab4 14.ab4 Ra1 15.Ba1 (15.Ra1 h6+/-) 15...h5 (15...Ra8 16.d4+=) 16.g3 (16.d4 Ra8+=) 16...Ra8+= 17.Rb1 Kh7 18.Bc3 Ng4 (18...Qc7 19.b5+=) 19.Qd1 (19.c5 Qb5 20.Qf7 Qd3 21.Qd7 Qc3+-) 19...Ndf6 20.Ne4 (better 20.c5 dc5 21.h3+/-) 20...Nh6? (better 20...Ne4 21.Be4 Ra2=) 21.Nd6+- Ra3? (21...Ne8 22.c5 Qc7+-) 22.Qc1 White prepares the advance b5 (22.Be5!? Ne8 23.Bg7 Ng7+-) 22...Qa7 23.Be5 Rd3 24.b5 cb5 (24...Nd7 25.Ra1 Qb6 26.Bg7 Rd6 27.Bd4 Rd4 28.ed4 Qd4 29.bc6 bc6 30.Bc6+-) 25.Nb5 Qc5 26.Bd4 Qa3?? (26...Qf5 27.Be2 Ne4+-) 27.Na3 Nf5 28.Qc2 (better 28.Be2 Rd4 29.ed4 Nd4+-) 28...Ra3 29.Qb2 (better 29.Bb7 Ne8+-) 29...Rd3 (29...Nd4 30.Qd4 Ng4+-) 30.Bf6 h4 31.Bg7 Ng7 32.gh4 (better 32.Qb7!? Ra3+-) 32...Nf5 33.Bb7 (33.Qf6 Rd7 34.Bg4 Nh6 35.Bd7 Ng4 36.Qf7 Kh6 37.Qf8 Kh7 38.Rb7 Ne5 39.Bc6 Nf7 40.Rf7) 33...Nh4 34.c5 Nf3 35.Kg2 (35.Bf3 Ra3 36.Qf6 Ra4 37.Rb8 Ra1 38.Kg2 Rg1 39.Kg1 Kh6 40.Rh8) 35...Nh4+- 36.Kg3 (36.Kh3 Rd8 37.Qf6 Rf8 38.Kh4 Rd8 39.Qf7 Kh8 40.Be4 Rg8 41.Bg6 Rg6 42.Rb8 Rg8 43.Rg8) 36...Nf5 37.Kf3 Nd4 38.Ke4 Rd2 39.Qd2 Ne6 40.c6 f5 41.Ke5 (41.Ke5 Nc5 42.c7 Nd7 43.Qd7 Kh6 44.Kf6 Kh5 45.Bf3 Kh4 46.Qh7) 1-0. brucepeng (1925) - Charli12 (1940), lichess.org, 2020.

4.Nf3 d6 5.d3 (5.Bd4 Qd8=) 5...a5 6.Nbd2 e5 (6...ab4 7.Nc4 Qd8 8.ab4 Ra1 9.Ba1=) 7.e4 (7.Nc4 Qb5=) 7...Be6 (7...ab4 8.Nc4 Qd8 9.ab4 Ra1 10.Qa1=) 8.d4 (8.Ng5 ab4 9.Ne6 fe6=) 8...Nbd7 (8...ab4 9.ab4 Ra1 10.Qa1=) 9.Bc4 (9.Ng5 Bg4 10.f3 Bh5+=) 9...Bc4 10.Nc4 Qb5 11.Qe2 (11.Qd3 ab4 12.a4 Ra4 13.Ra4 Qa4 14.de5 de5=) 11...ab4 12.a4 Qa6 (12...Ra4 13.Ra4 Qa4 14.0-0=) 13.de5= de5 14.a5 Be7 (14...Nc5 15.Nfd2=) 15.Nfe5 Ne5 16.Be5 0-0 17.0-0 Rfd8 18.Rab1 (18.Rfd1 c5=) 18...c5 (18...Nd7 19.Bc7 Rdc8 20.Bf4+=) 19.c3 (19.Rfd1 Qc6=) 19...Nd7 20.Bg3 (20.Bc7 Rdc8 21.Bf4 bc3 22.Rfd1=) 20...b6 (20...bc3!? 21.Rfc1 Bf6=+) 21.Bc7+= ba5 22.Rfd1 (22.cb4 cb4 23.Bd8 Rd8=) 22...a4= 23.Rd5 (23.Bd8 Rd8 24.cb4 cb4+=) 23...a3 (23...Nf6 24.Bd8 Bd8 25.Rc5 bc3+=) 24.Bd8+= ½–½. Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–07 ETC, 2003.

5.e3 a5 6.Qb3 ab4 7.ab4 Ra1 8.Ba1 g6 9.Nf3 Bg7 10.Be2 0-0 11.0-0 Nbd7 12.d4 c5 13.b5 cd4 14.Bd4 Qd8 15.Nbd2 Nc5 16.Qb2 b6 17.Ra1 Bf5 18.h3 e5 19.Bc3 Nce4 20.Ne4 Ne4 21.Bb4 Nc5 22.Ra6 e4 23.Nd4 Nd3?? 24.Bd3+/– ed3 25.Qa3 Bc8 26.Ra8+/– Qc7 27.Bd6 Qb7? 28.Ra7?? Qe4?? 29.Bf8+– Bf8 30.Qc3 Bc5? 31.Ra3 Ba3 32.Qa3 d2 33.Qb3 Qd3?? 34.Qd3+– 1–0. carocan (1680) – erykz (1645), kurnik, 2011.

5.Nf3 Nbd7 6.e3 g6 7.Nc3 Bg7 8.Be2 0-0 9.0-0 e5 10.d4 ed4 11.ed4 a5 12.c5 Qc7 13.Rc1 ab4 14.ab4 d5 15.b5 Qd8 16.Ne5 (16.Qc2 Re8+=) 16...Ne5 17.de5 Nd7 18.f4 Re8 19.Qd4 Bf8 20.Nd1 Qe7 (better is 20...f6!?=) 21.e6+/– fe6?? 22.Qh8 Kf7 23.Qh7 (23.Qh7 Bg7 24.Qg7) 1–0. orangutanb4 (2010) – szachmatek123 (1785), kurnik, 2011.

5.c4 ab4 6.c5 Qc7 7.ab4 Ra1 8.Ba1 (--> 1.b4 c6 2.Bb2 Qb6 3.a3 a5 4.c4 ab4 5.c5 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.e3).

5.Bd4 Qc7 6.Bd3 (better 6.Nf3!?=) 6...e5–/+ 7.Bb2 ab4 8.ab4 Ra1 9.Ba1 Bb4 10.Ne2 (10.f4 d6–/+) 10...d5–+ 11.Ng3 0-0 12.0-0 Nbd7 13.c4 (13.Bc3 Bc3 14.Nc3 Nc5–/+) 13...Nc5–+ 14.Be2 Nce4 (14...dc4 15.f4–+) 15.Ne4 Ne4 (15...de4 16.Qb3 Bd6 17.Nc3–/+) 16.d3 (16.cd5 cd5 17.Qb3 Bd6 (17...Bd2? 18.Qd5 Bf5 19.Nd2+–) 18.Qd5 Nc5=+) 16...Nf6–/+ 17.Nd2 (17.f4 Bd6–/+) 17...Be6 18.cd5 (18.Nf3 Nd7–/+) 18...Nd5 19.Nf3 f6 20.e4 (20.Qb1!?–/+) 20...Nf4–+ 21.d4 (21.Qc2 Ra8 22.Rb1 Ra2–+) 21...Ra8 (21...Qf7 22.Bd3 Ra8 23.de5–+) 22.de5 Ra1! 23.Qa1 Ne2 24.Kh1 Bc3 25.Qa8 (25.Qa7 Be5 26.Ne5 fe5–+ (26...Qe5?! 27.Qa8 Kf7 28.Qb7 Kg6 29.Qc6=+)) 25...Kf7 (25...Qc8!? 26.Qc8 Bc8 27.ef6 gf6 28.Rd1–+) 26.ef6–/+ Bf6 27.e5 Be7 28.Qa4 c5 (28...Kg8!?–+) 29.Re1–/+ Nc3 30.Qf4? (better 30.Qc2!? Nd5 31.Qh7=+) 30...Kg8–+ 31.Ng5 Bg5 32.Qg5 Nd5 33.f4 (33.Rb1 b6–+) 33...Qc8 (33...Qf7 34.Rf1 h6 35.Qd8 Kh7 36.Qa5–+) 34.Rf1 Ne3 35.Re1 h6 36.Qg3 (36.Qg6 Nd5 37.Rf1 Ne7–+) 36...Nf5 37.Qc3 (37.Qg6 Nd4–+) 37...b5 38.Rb1 (38.Rc1 Bc4–+) 38...Bc4 (38...b4 39.Qe1–+) 39.Re1 (39.Qh3 Qf8–+) 39...Nd4 40.Qg3 (40.Qd2 Qf5 41.Kg1 Qg4–+) 40...Qf5 41.h3 (41.Qh4 Ne6–+) 41...b4 (41...Ne6 42.Qf3–+) 42.Qf2 (42.Qh4 Ne6 43.Rc1 b3–+) 42...Bd5 (42...Ne6 43.Kh2 Qf4 44.Qf4 Nf4 45.Re4–+) 43.Kg1 b3 44.Qb2 (44.Rc1–+) 44…Qf4 0–1. tsodikovich (1815) – combijack (1895), gameknot.com, 2017.

5.d4 Bg4 6.e3 e6 7.Nc3 Bd6=+ 8.Be2 Nbd7 9.e4 de4 10.Ng5 (10.Nd2!? Bf5 11.Nc4=+) 10...Bf5 11.g4 (11.f3 ef3 12.Nf3 Ng4–+) 11...Bg6–+ 12.f4 (12.f3 ef3 13.Bf3 h6–+) 12...Bf4 13.Nh3 Bd6 14.Qd2 (14.Na4 Qc7 15.g5 Bh2 16.gf6 Qg3 17.Kd2 Nf6 18.Rh2 e3 19.Kc1 Qh2–+) 14...0-0-0 15.0-0-0 (15.Nf4 Bf4 16.Qf4 Qd4–+) 15...Nd5 16.Na4 (16.Nd5 ed5 17.Rdf1 Qc7–+) 16...Qc7 17.Rdf1 (17.c4 Nf4 18.c5 Nh3 19.cd6 Qd6–+) 17...Rhf8 18.c4 e3 19.Qd1 N5f6 20.g5 Ne4 21.Rf3 f6 22.Nc3 e5 23.c5 Be7 24.Re3 ed4 25.Re4 dc3 26.Re7 cb2 27.Kb2 fg5 28.Ng5 Qf4 29.Rf1? Qg5 30.Rf8 Qe7 31.Rd8 Qd8 32.Bg4 Qf6 33.Kb3 Bf5 34.Bf3 Ne5 (34...Ne5 35.Be2 Qh6–+) 0–1. urko – Bull_Dog_Baz, ChessWorld.net, 2009.

5.e3 Bg4 6.Be2 Nbd7 7.0-0 e6 8.c4 Qc7 9.Nc3 Bd6 10.c5 Be7 11.Nd4 Be2 12.Nce2 0-0 13.Ng3 g6 14.d3= e5 15.Nf3 Rad8 16.Qb3 h6 17.Rad1 b6= 18.cb6 ab6 19.e4 d4 20.Bc1 Kg7 21.Bd2 c5 22.Rc1 Qd6 23.a4 Rb8 24.b5 Nh5 25.Nh5+= gh5 26.Rc2 Qf6 27.Ra1 Kh7 28.a5 Rg8 29.ab6?? Rb6 30.Ra7?? Qg6 31.Ne1 Re8?? 32.Rd7+– Kg7 33.Nf3 Bf6 34.Rc5 Re7 35.Rcc7 Rbe6 36.b6 Rd7 37.Rd7 Rc6 38.b7 (38.b7 Ra6 39.b8Q Ra1 40.Ne1+–) 1–0. kehrsam – Bull_Dog_Baz, ChessWorld.net, 2009.

5.e3 Bg4 6.Be2 Nbd7= 7.Bd4 Qc7=+ 8.h3 Bh5 (8...Bf3 9.gf3 (9.Bf3 e5) 9...e5 10.Bb2=+) 9.g4 (9.Bb2 e5= (9...Bf3 10.Bf3 e6=+)) 9...Bg6=+ 10.Bb2 (10.g5 Ne4=+) 10...e5 (10...e6 11.Nc3=+) 11.d3 (11.g5 Ng8=) 11...e4 (11...h6 12.Nbd2=+) 12.Nd4 (12.Nh4 0-0-0=+) 12...ed3 (12...h6!?–/+) 13.cd3= 0-0-0 (13...h6 14.Nc3=) 14.Nd2 (14.g5 Ng8 15.Qa4 Kb8=) 14...h5 (14...Kb8 15.N2f3=) 15.g5+= Ne8 16.N2b3 (16.N2f3 h4+=) 16...Nd6 17.Rc1 Kb8 18.b5 (18.Na5 Ka8=) 18...c5 19.Nf3 (19.a4 Be7=) 19...c4 (19...Nb5 20.a4 Nd6 21.a5–/+) 20.Nbd4 (20.a4 Rc8=) 20...Qb6 21.dc4= dc4 22.Bc4 Nc4=+ 23.Rc4 Bc5 24.Qc1 Be4 25.0-0 Bd3 26.Rc5? Nc5–/+ 27.Bc3? f6 28.h4?! Ne4 29.Rd1 Nc3 30.Qc3 Be4 31.Rc1? fg5 32.Ng5–/+ Bd5 33.a4 Rc8–/+ 34.Qd2 Rc1 35.Qc1 Rc8 36.Qd2 Qc5 37.Nge6 Be6 38.Ne6 Qe7 39.Ng5 Rd8 40.Qc3–/+ Qd7 41.Qe5 Ka8 42.Kg2 Qg4–+ 43.Qg3 Qa4 44.Ne6?? Qe4 45.Kh2 Qe6 46.Qg7 Qd6 47.Kg1 Qd5 48.Qf6 Rg8 (48...Rg8 49.Qg5 Rg5 50.hg5 h4 51.e4 Qg5 52.Kf1 h3 53.Ke1 h2 54.Kd1 h1Q 55.Kc2 Qe4 56.Kc3 Qc1 57.Kb3 Qec4) 0–1. leighcastle – Bull_Dog_Baz, ChessWorld.net, 2009.

5.Bd4 Qc7 6.d3 Nf6 7.e4 d6 8.e5 Nd5 9.Be2 c5.

5.Bd4 Qd8 A) 6.e3 d6 7.d3 Nf6 8.Bf6 gf6 9.d4 e5; B) 6.c3 d6 (6...Nd6 7.Be5 Nc4 8.Bf4 d5 9.d3 Nd6) 7.d3 Nf6 8.Bf6 ef6 9.e3 a5; C) 6.c4 d6 (6...a5 7.e3 d6 8.Bd3 Nc5 9.Bc2 Ne6) 7.d3 Nf6 8.Bf6 ef6 9.e3 Qb6; D) 6.d3 Nf6 7.e3 a5 8.ba5 Qa5 9.Bc3 Qa4.

5.e3+– d5 6.Nc3 (6.Bd4 Qc7 (6...Qd8 7.c4 f6 8.cd5 cd5 9.Bb5 Kf7) 7.c4 Bg4 8.d3 Nf6 9.cd5 Nd5; 6.d3 Nf6 (6...Nd6 7.c4 dc4 8.dc4 c5 9.Nc3 Bg4) 7.c4 Nbd7 8.Nbd2 a5 9.cd5 cd5; 6.Be2 e6 (6...Nd7 7.0-0 e6 8.Ra2 a5 9.ba5 Qa5; 6...c5 7.Nc3 Nc3 8.Bc3 Nc6 9.b5 Na5; 6...Bg4 7.0-0 Nd7 8.d3 Nef6 9.c4 e6; 6...a5 7.Bd4 Qc7 8.d3 Nf6 9.Be5 Qb6) 7.0-0 c5 8.d3 Nf6 9.Bf6 gf6; 6.c4 dc4 (6...Nd7 7.Bd4 Qc7 8.Qc2 e6 9.Bd3 Nef6; 6...Bg4 7.d3 Ng5 8.Be2 Bf3 9.Bf3 dc4; 6...Bf5 7.d3 Nf6 8.Bd4 Qd8 9.Be2 dc4) 7.Bc4 Nd6 8.Be2 a5 9.Qa4 Bf5) 6...Nc3 (6...Bg4 7.Be2 Nc3 8.Bc3 Nd7 9.0-0 Qc7; 6...Nf6 7.Na4 Qc7 8.Nc5 Bg4 9.Be5 Qc8; 6...a5 7.Ne4 de4 8.Ng5 Bf5 9.f3 ab4; 6...Nd6 7.Bd3 Bg4 8.e4 e6 9.ed5 cd5) 7.Bc3 f6 (7...Nd7+– 8.Be2 Qc7 9.0-0 e5) 8.Bd4 (8.Bd3!?+– e5 9.Nh4 g6; 8.d4 Bg4 9.Bd3 e6) 8...Qc7+= (8...Qd8 9.Nh4 g6) 9.Be2 (9.c4 e5 10.Bb2 Be6 11.cd5 Bd5+=) 9...e5= 10.Bb2 Bd7 (10...a5 11.0-0=) 11.0-0 (11.c4 a5+=) 11...b5 (11...a5 12.c3=) 12.d3 (12.c3 Bd6+–) 12...Be7 (12...a5 13.Qd2+=) 13.Rc1 (13.c4 0-0+=) 13...0-0 14.c4 dc4 (better 14...Qd6!?+=) 15.dc4+– bc4 (15...Qb7 16.Qc2 a5 17.ba5 Ra5 18.Bd3+–) 16.Bc4 (16.Qc2 Qc8+–) 16...Kh8 17.Qc2 (17.Bd3 c5+–) 17...g6 (17...a5 18.Qe4 ab4 19.ab4+–) 18.Rfd1 (18.Nh4 Be8 19.Qe4 a5+–) 18...Bf5 (18...a5!?+–) 19.Qe2 Bg4 (19...Bc8 20.h4+–) 20.h3 Bf3 (20...Bc8 21.Bd5!+–) 21.Qf3 (21.gf3?! Nd7+–) 21...Nd7 (21...a5 22.b5+–) 22.Be6 Rfd8 (22...Nb8+–) 23.Rc6 Qb7 24.Bd7 (better 24.Bd5 Nb6 25.Rb6 Qb6 26.Ba8 Qc7+–) 24...Rd7 25.Rd7 Qd7 26.Rc1 (better 26.Rf6 Rc8 27.Ra6+–) 26...Rc8 (26...Rd8 27.Kh2+–) 27.Rc8 Qc8 28.Qe2 Qd7 29.g4 Bd8 (29...Qc8 30.e4+–) 30.b5 Bb6 (30...Qd5 31.a4+–) 31.a4 (31.Qc4 Kg7+–) 31...Qd5 (31...Kg7 32.Kg2+–) 32.Qc2 Qc5? (32...Bc5 33.e4 Qd6 34.Kg2+–) 33.Qd2 (33.Qc5!? Bc5 34.Kg2 Kg7+–) 33...Kg8 34.Qd7 (34.Bc3 Qc8 35.a5+–) 34...Qb4?? (34...h6 35.Qd3 Kg7 36.Ba3+–) 35.Qe8 (better 35.Qe6 Kg7 36.g5+–) 35...Qf8 36.Qe6 Kg7 (36...Qf7 37.Qc6 h6 38.Bc3+–) 37.Kg2 (better 37.g5!? Bc7+–) 37...Qf7 38.Qf7 Kf7 39.Kf3 (39.g5 Ke6 40.gf6 Kf6+–) 39...Ke6 40.Ke4 (40.e4!?+–) 40...f5+– 41.gf5 gf5 42.Kf3 h5 (42...Kd5 43.Ke2+=) 43.Ke2 (better 43.e4!? f4 44.Ba3+–) 43...Kd5+= 44.Bc3 e4 (44...Bc7 45.f3+=) 45.a5+– Bc5?? (45...Bc7 46.Bd4 Ba5 47.Ba7+–) 46.Bf6 (better 46.Bd4+–) 46...Bb4? (46...Kc4 47.b6 Kb5 48.ba7 Ba7+=) 47.b6?? (better 47.Bd8!?+–) 47...ab6 (47...a6 48.b7 Bd6 49.f3=) 48.ab6 (48.a6!? Kc6 49.Bd4+–) 48...Kc6= 49.Bd4 Ba5 50.f3 Bb6 51.fe4 fe4 52.Bb6 Kb6 53.Kf2?? (better 53.Kd2 Kc5 54.Kc3=) 53...h4–+ 54.Ke2 ½–½. leighcastle – philstar99, ChessWorld.net, 2009.

5.e3+– d6 A) 6.Bd3 Nc5 (6...Nf6 7.Bd4 Qc7 8.Bf6 gf6 9.0-0 Bg7) 7.Bc4 Be6 8.Be6 Ne6 9.Nc3 Na6; B) 6.c4 Bf5 (6...e5 7.d4 ed4 8.Bd3 Nc5 9.Bd4 Nd3; 6...a5 7.Nc3 Nf6 8.b5 e5 9.d4 e4; 6...Nd7 7.Be2 a5 8.Nc3 Nc3 9.Bc3 ab4; 6...Bg4 7.h3 Bf5 8.d3 Nf6 9.Bd4 Qd8) 7.Be2 a5 8.b5 cb5 9.cb5 Nd7; C) 6.Be2 e5 (6...c5 7.Nc3 Nc3 8.Bc3 e5 9.0-0 Be7; 6...Bf5 7.d3 Nf6 8.Nbd2 e5 9.0-0 Nbd7; 6...a5 7.Nc3 Bf5 8.Nd4 Bg6 9.Na4 Qd8; 6...Nf6 7.Bd4 Qc7 8.Bf6 ef6 9.d4 d5) 7.0-0 a5 8.b5 Nf6 9.Nc3 Be7.

4.Bc3 Qd6 5.e3 e5 6.Nf3 e4 7.Nd4 Nf6 8.Be2 Be7 (8...Qc5 9.0-0=+) 9.0-0 (9.Nf5!? Qd5 10.Ng7 Kd8 11.Nh5+=) 9...0-0 10.f3 Qc7 Black is in command 11.Nf5 d5 12.Ne7 (12.fe4 Bf5 13.ef5 Nbd7=+) 12...Qe7–/+ 13.Bf6 Qf6 (13...gf6?! 14.fe4 de4 15.Nc3=) 14.c3 Qg6 15.fe4 de4 16.Rf4 Bh3 Do you see the mate threat? 17.Bf1 Nd7 18.Kh1 (18.d4 ed3 19.Qd3 Qd3 20.Bd3 Be6–+) 18...Be6 19.Na3 Ne5 (19...Nc5 20.Nc4–+) 20.Qc2 (20.Qb1!?–/+) 20...f5 21.Qb2 Rad8 22.Qb7 (22.a5 Rf7–+) 22...Rd2 23.Qa7 Rfd8 (23...Nd3 24.a5–+) 24.Qa6 (24.Qb6 Rc8–/+) 24...Rd1 (better 24...Qf6 25.Nc4 g5 26.Nd2 Rd2–+ (26...gf4?! 27.ef4 Ng4 28.Nc4–/+)) 25.Rd1–/+ Rd1 26.Kg1 Nd3 27.Qc6 Nf4 28.ef4 Rf1?? (28...Rf1 29.Kf1 Kf8+–; better 28...Bd7 29.Qg6 hg6–+) 0–1. RichardSommer (2010) – baschrady (2015), lichess.org, 2020.

4.Bc3 Qg4 5.Nf3 d5 6.Ne5 (6.e3 Nd7=+) 6...Qh5-/+ 7.d4 Nd7 8.e3 (8.Nd7 Bd7 9.Nd2 Nf6-/+) 8...Qd1 9.Kd1 Ne5 10.de5 e6 (10...Nh6 11.Nd2-/+) 11.Nd2 Be7 12.Be2 Nh6 13.f4 (13.e4!?-/+) 13...Nf5-+ 14.Nf1 Bc5 15.Kd2 0-0 (15...Nh4 16.g3 Nf5 17.Bd3-/+) 16.g4 Nh4 17.Rg1 (17.Rb1 a5-/+) 17...Bd7 (17...b6 18.Rb1-+) 18.g5 (18.Rb1 Rfb8-/+) 18...Nf5 (18...Rfd8 19.Rb1 b6 20.a5-/+) 19.Rg4 (19.Bg4 b6-/+) 19...b5 20.a5 (20.Kd3 ba4 21.Ra4 Be7-/+) 20...b4 21.Bb2 Rab8 22.Bd3 b3 (22...Rfd8-/+) 23.c3 (23.cb3 Rb3 24.Bc3 Rfb8-/+) 23...Rfe8 (23...Rfd8 24.Rb1-+) 24.Bf5 (24.e4 h5 25.gh6 Nh6-+) 24...ef5 25.Rg2 (25.Rg3 Rb5-+) 25...Rb5 (25...Kf8 26.h4-+) 26.Ng3 (26.h4 a6-+) 26...Be7 27.Rgg1 a6 28.Ne2 (28.Nh5 Bc5-+) 28...c5 29.Ra3 Bd8 (29...c4 30.Ra4-+) 30.Rga1 Re6 (30...Be6 31.Ra4-+) 31.h4 (31.Nc1 c4 32.Ne2 Re8-+) 31...Be7 (31...h5 32.Nc1 c4 33.Ne2-+) 32.Rc1 Bc6 33.Ng3 g6 34.Ne2 (34.Ra4 c4-+) 34...Bd8 (34...h6 35.gh6 Kh7 36.Rh1-+) 35.Rca1 (better 35.Rb1-+) 35...c4 (better 35...h5!?-+) 36.Nd4-/+ Be7 37.Nb5 Bb5 38.Rh1 Ba3 39.Ba3 Bc6 40.Rh2 h6 41.Kc1 h5 42.Kb2 Re8 43.Bd6 Ra8 44.Ka3 (44.Rd2 Ra7-/+) 44...Ra7 45.Rb2 (45.Kb2 Rb7-/+) 45...Rb7 46.Bb4 Kg7 47.Rd2 Kh7 (47...Rb8 48.Kb2-/+) 48.Rb2 (48.Kb2 Rb8-/+) ½-½. Bouma,Jan - Coltharp,Cameron, CTON email, 1996.

5.d3 Qc7 6.e3 Nf6 7.Nf3 e6 8.Bb2 Be7 9.Be2 d5 10.0-0 c5 11.c4 a6 (11...Nc6 12.Na3-/+) 12.cd5 ed5 13.Be5 Qc6 14.Nbd2 Nbd7 15.Bb2 0-0 16.Rc1 b6 (16...Qe6 17.a5-/+) 17.Ba3 Bb7 (better 17...Bd6-/+) 18.Nb3? (18.Nd4 Qc7=+) 18...Rac8 (18...Qa4 19.Ra1 Qg4 20.Nbd4-+) 19.Qc2 (19.a5 Rfe8-/+) 19...Qe6 (19...Qa4 20.Ra1-+) 20.Qb2 Qf5 (20...Rfe8!?-+) 21.Nh4 (21.d4 Rc7=+) 21...Qg5-/+ 22.Nf3 Qh6 23.g3 (23.d4 Rc7-/+) 23...Bd6 (better 23...Rfe8!?-+) 24.Nh4=+ Nh5?? (better 24...Ne8 25.a5 Rc6=+) 25.Nf5+- Qg5? (better 25...Qg6 26.Nd6 Qd6 27.Bh5 Bc6+-) 26.Nd6 Rcd8 (26...Rb8 27.Nb7 Rb7 28.Nc5 Nc5 29.Bc5+-) 27.Bh5 (better 27.Nb7 Rb8 28.Nd6 f5+-) 27...Ne5 (27...Qh5 28.Nb7 Rb8+-) 28.Be2 (28.Be2 Rd6 29.Nc5 bc5 30.Bc5+-) 1-0. Jimito100 (1975) - Jeopa (2175), Rated Bullet game, lichess.org, 2020.

5.d3 Qc7 6.e4 Nf6 7.Nf3 e6 (7...e5 8.Bf8 Rf8 9.d4-/+) 8.Be2 (8.Bf8!? Rf8 9.e5=+) 8...Ba3-/+ 9.0-0?? (better 9.Ra3 d6 10.Nbd2-/+) 9...Bb2 (better 9...Bd6-+) 10.e5 (10.Ra2 Be5 11.d4-+) 10...Ba1 11.ef6 Bf6 12.c3 d5 13.d4 c5 14.Nfd2 (14.Bb5 Bd7-+) 14...cd4 15.cd4 Bd4 16.Nf3 Bf6 17.Bd3 Nc6 18.Qb3 0-0 19.Rc1 Qd6 20.Qc2 (20.Nc3 Qb4 21.Qc2 Bc3 22.Qc3 Qa4-+) 20...a6 (better 20...Nb4 21.Qd2-+) 21.Bh7 Kh8 22.Bd3 Bd7 23.Nbd2 (23.Qd1 Rfd8-+) 23...Rac8 (23...Nb4 24.Qb1 Ba4 25.Re1-+) 24.Qd1 Ne5 (24...Nb4!? 25.Rc8 Rc8 26.Bf1-+) 25.Ne5 Qe5 26.Qf3 (26.Rb1 Rc3 27.Nf1 Bc6-+) 26...g6 (better 26...Rc1 27.Nf1 Qg5 28.a5-+) 27.Qh3 (27.Rb1 Ba4 28.Qg4 b5-+) 27...Kg8 (better 27...Kg7 28.Rb1 Rh8-+) 28.Nf3 (28.Rb1 Ba4 29.Qg4 Bc2 30.Bc2 Rc2-+) 28...Qd6 (better 28...Rc1 29.Bf1 Qe2 30.g4 Ba4 31.g5-+) 29.Qg4 (29.Re1-+) 29...e5 (better 29...Rc1 30.Bf1 e5 31.Qg3 Ba4 32.h3-+) 30.Qg3 Rc1 31.Bf1 Rf1! 32.Kf1 Qc7 (32...Ba4 33.Kg1 Qa3 34.h4-+) 33.h3 Qc1 34.Ke2 e4 35.Nd2 Bc3 (35...Ba4 36.Qd3 Bd1 37.Ke3 Qc5 38.Kf4 Qd6 39.Ke3 g5 40.Qe4 Qc5 41.Kd3 Qc3) 36.Qe3 Bd2 (better 36...Ba4 37.Qc3 Bb5 38.Ke3 Qc3 39.Kf4 Qd2 40.Kg3 Qg5 41.Kh2 Qf4 42.Kg1 Rc8 43.g3 Rc1 44.Kg2 Qf3 45.Kh2 Qf2) 37.Qd2 Qd2 38.Kd2 Ba4 39.Ke3 Bc6 (better 39...b5 40.Kd4-+) 40.Kd4 a5 41.Ke5 a4 42.Kd6 a3 43.f4 a2 44.f5 (44.Ke5 a1Q 45.Kd6 Rd8 46.Kc5 Qc3 47.Kb6 Qb4 48.Kc7 Qa5) 44...gf5 (44...a1Q 45.Kc5 Qc3 46.Kb6 Rd8 47.fg6 Qb4 48.Kc7 Qa5) 45.g4 (45.h4 a1Q 46.Kc5 Qc3 47.Kb6 Rd8 48.h5 Qb4 49.Kc7 Qa5) 45...fg4 (45...a1Q 46.Kc5 Qc3 47.Kb6 Ba4 48.Ka7 Qc6 49.gf5 Qa6) 46.hg4 (46.Ke5 a1Q 47.Kf5 f6 48.Kf4 Qc3 49.Kg4 Qe5 50.h4 Bd7) 46...f5 (46...a1Q 47.Kc5 Qc3 48.Kb6 Rd8 49.g5 Qb4 50.Kc7 Qa5) 47.g5 (47.Ke5 a1Q 48.Kf4 fg4 49.Kg3 Rf3 50.Kg4 Bd7 51.Kh5 Qe5 52.Kh4 Rh3) 47...f4 (47...a1Q 48.Ke6 Re8 49.Kf5 Bd7 50.Kf4 Qc1 51.Kg3 Qg1 52.Kf4 Qf2) 48.g6 (48.Ke6 a1Q 49.Kd6 Qa3 50.Kc7 Rf7 51.Kb8 b6 52.g6 Qa8) 48...f3 (48...Rf6 49.Kc5 a1Q 50.Kb6 Qa6 51.Kc5 Qb5 52.Kd4 Qc4 53.Ke5 Qc3) 49.g7 (49.Ke5 a1Q 50.Kd6 Rf6 51.Kc5 Qb2 52.g7 b6) 49...Kg7 50.Kc7 (50.Ke6 Rf6 51.Ke7 a1Q 52.Kd8 Qa5 53.Ke7 Qc7) 50...f2 (50...a1Q 51.Kd6 Qa3 52.Ke5 Qc3 53.Kd6 Rd8 54.Ke6 Qf6) 51.Kb6 (51.Kd6 a1Q 52.Kc5 Qa5 53.Kd4 Qb4 54.Ke5 f1Q 55.Ke6 Re8) 51...f1Q 52.Kc5 (52.Kc7 Rf7 53.Kd6 Rd7 54.Kc5 a1Q 55.Kb4 Qc4) 52...Qc1 (52...Qf2 53.Kd6 Rf7 54.Ke5 Qf6) 53.Kd6 (53.Kb6 Bd7 54.Ka7 a1Q 55.Kb7 Qc6) 53...Qf4 (53...Rf7 54.Ke5 a1Q 55.Ke6 Qf6) 54.Kc5 Qc7 55.Kd4 (55.Kb4 Qb6 56.Kc3 a1Q 57.Kd2 Rf2) 55...a1Q 56.Ke3 Qc3 (56...d4 57.Kd2 Rf2) 57.Ke2 Bb5 58.Kd1 Qd3 (58...Rf1) 59.Ke1 Re8 (59...Re8 60.Kf2 Qcg3; 59...Rf1) 0-1. Jimito100 (1980) - Jeopa (2170), Rated Bullet game, lichess.org, 2020.

5.e3 Nf6 6.Nf3 d5 7.Be2 Bg4 8.0-0 e5 (better 8...Nbd7!?-/+) 9.Ne5= Be2 10.Qe2 Ba3 11.Na3 Qc7 12.Nf3 Nbd7 13.c4 0-0 14.cd5 Nd5 15.Rfc1 Rfe8 16.d4 Qd6 17.Qc4 N7f6 18.Ne5 Rad8 19.Qb3 Rf8?? (19...Qc7 20.a5+=) 20.Nac4?? (20.Qb7 Ne4 21.Rc6 Qb4 22.Qb4 Nb4+-) 20...Qe6? (better 20...Qe7+=) 21.Qb7+- c5 22.Qa7 cd4 (22...Ne4 23.Ra3+-) 23.Qd4 h6 24.Qb2 (24.a5 Ra8+-) 24...Qf5 (24...Rb8 25.Qe2+-) 25.Nf3 Ne4 26.Qc2 (26.a5 Rfe8+-) 26...Qe6 (26...Nb4 27.Qb3 Rb8 28.Rd1+-) 27.Ncd2 (27.Nd4 Qe8+-) 27...Nef6 28.a5 Nb4 (28...Rc8 29.Qd3+-) 29.Qb3 Qe7 30.Rcb1 Nd3 31.a6 (31.Nd4 Nc5 32.Qc2 Ra8+-) 31...Nc5 (31...Ng4 32.Qb7 Qe8 33.Qe4 Ngf2 34.Qe8 Rfe8 35.a7+-) 32.Qb6 White prepares a7 32...Ra8 33.Nc4 (33.Nd4 Nfd7 34.Qb4 Rfc8+-) 33...Nce4? (better 33...Nfd7 34.Qd6 Qd6 35.Nd6 Ra6 36.Ra6 Na6+/-) 34.Nd4 (34.Qb7 Qe6 35.Nb6 Rab8+-) 34...Kh7 (34...Nd7 35.Qb7 Nec5 36.Qc6+-) 35.Nc6 White intends a7 (35.Qb7!? Qb7 36.ab7 Ra1 37.Ra1 Nd7+-) 35...Qe6 36.a7?? (better 36.N6e5 Qf5 37.Qb2+-) 36...Qc4=+ 37.Na5 (37.Nd4 Rfc8=+) 37...Qc2 38.Nb7? (better 38.Rb2 Qc3 39.Rba2-/+) 38...Qf2-+ 39.Kh1 Ng4 40.Rf1 (40.Qd4 Rfe8 41.Nd6 Nd6 42.Qg4 Re3 43.Rf1 Ra7 44.Rad1-+ (44.Rf2?? Ra1 45.Qd1 Rd1 46.Rf1 Rf1)) 40...Qh4 (40...Ra7 41.Rab1 (41.Qa7?? Ng3 42.hg3 Qg3 43.Qb8 Rb8 44.Rf7 Qh2) 41...Qh4 42.Qc7-+) 41.h3 Qg3 (better 41...Ngf2 42.Kg1 Nh3 43.gh3 Qg3 44.Kh1 Qh3 45.Kg1 f5-+) 42.Ra2?? (42.hg4 Qh4 43.Kg1-/+) 42…Qh2 0-1. Jimito100 (1865) - madq (2405), Hourly Bullet Arena, lichess.org, 2020.

5.e3 Nf6 6.Nf3 g6 7.d4 Bg7 8.Be2 d6 9.0-0 0-0 10.c4 Nbd7 11.Nbd2 c5 12.Rb1 Qc7 13.d5 e6 14.e4 ed5 15.ed5 Re8 16.h4 (16.Re1!?=+) 16...Ne5 17.Ne5 Re5 18.Nf3 (18.Bb2 Re7 19.Bd3 Bd7-/+) 18...Re7-+ 19.Ng5 Bd7 20.Bb2 Rae8 21.Bf3 (21.Bd3-+) 21...Bf5 22.Ra1 b6 (22...h6 23.Nh3-+) 23.h5 (23.Ra3 h6 24.Qa1 Nh5-+) 23...h6 24.Bf6 (24.Nh3 Nh5 (24...gh5?! 25.Ra3-+) 25.Bg7 Ng7-+ (25...Kg7?! 26.Bh5 Bh3 27.gh3-/+)) 24...Bf6 (24...hg5?! 25.Be7 Ba1 26.Bg5=) 25.hg6 hg5 (worse 25...Bg5 26.gf7 Kf7 27.Bh5 Bg6 28.f4-+) 26.gf7 Kf7 (26...Rf7 27.Ra3 Rh7 28.Bg4 Bg4 29.Qg4-+) 27.Bh5 Bg6 28.Qd3 (28.Ra3-+) 28...Bh5 29.Rad1 (29.Qh7 Kf8 30.Qh5 Ba1 31.Ra1 Re1 32.Kh2-+) 29...Bg6 (better 29...Bd1!? 30.Qh7 Kf8 31.Qg6-+) 30.Qh3 Rh8 31.Qg3 Be5 32.Qf3 Kg7 (32...Ke8 33.Rde1-+) 33.g3 (33.Rfe1 Qd7 34.a5 Bh5-+) 33...Qd7 34.Qg2 Qh3 (better 34...Qa4 35.Rfe1-+) 35.Qh3 Rh3 36.Kg2 (36.Kg2 Rh6 37.Rfe1-+). Jimito100 (1930) - elliemay (1810), Rated Bullet game, lichess.org, 2020.

4.a4 a5 5.Qb3 ab4 6.Qb4 Qb4 7.cb4 Nd7 8.Nf3 f6 9.h3 (9.d4 e5 10.b5 cb5 11.ab5 Bb4 12.Nc3 Ra1 13.Ba1 Ne7=) 9...e5–/+ 10.b5 cb5 (10...Nc5!?–/+) 11.ab5=+ Ra1 12.Ba1 Nb6 13.e3 Bd7 14.Be2 Ne7 15.0-0 Nec8 16.Nc3 Bb4 17.Na2 Bd6 18.Bc3 (18.d4 e4 19.Nd2 f5=) 18...0-0 (18...Nc4 19.Rb1=+) 19.Bb4 Nc4 20.d3 N4b6 21.Bd6 (better 21.d4!? e4 22.Nd2=) 21...Nd6–/+ 22.d4 e4 (22...Bb5 23.Bb5 e4 24.Nh2+–; worse 22...Nb5 23.Bb5 Bb5 24.Rb1+=) 23.Nd2 Bb5 (better 23...Rc8!? 24.Nb4 Bb5 25.Bb5 Nb5–/+) 24.Bb5= Nb5 25.Rb1 Ra8 26.Nc1 (26.Rb5!? Ra2 27.Ne4 de4 28.Rb6+=) 26...Nc4= 27.Nc4 dc4 28.Ne2? (better 28.Rb5 Ra1 29.Rb7 Rc1 30.Kh2=) 28...Ra5 29.Rc1 Nd6 30.Nf4 Kf7 31.Rc3 (31.Rb1 g5 32.Ne2 Ra3–+) 31...g5 32.Ne2 b5 33.d5 (33.Kf1 b4 34.Rc1 Ke6–+) 33…b4 (33...b4 34.Rc1 Rd5–+) 0–1. beatmeeasy (1915) – reza7x (1950), lichess.org, 2020.

4.a4 Bf5 5.a5 Qc7 6.Nf3 Nf6 (6...e5 7.e3=+) 7.Na3 (7.d4 e6=+) 7...Nbd7 (7...e5 8.e3=+) 8.Nc2 (8.Nh4 Bg6=) 8...e6 (8...e5 9.d3=+) 9.Ncd4 (9.e3 Bd6=+) 9...Bg6 10.a6 (10.Nh4 e5 11.Ndf5 0-0-0=+) 10...b6 (10...b5 11.Nh4=+) 11.b5=+ c5 12.Nc6 Be7 (12...Bd6 13.g3=+) 13.Ne7= Ke7 14.e3 (14.d3 Kd8=) 14...Rhe8 (14...c4 15.Ba3 Kd8 16.Nd4=) 15.Be2 (15.c4 Kf8+=) 15...Kf8 (15...c4 16.d3 cd3 17.Bd3 Bd3 18.Ba3 Kd8 19.Qd3=) 16.c4 dc4 17.Bc4 Rad8 18.0-0 (18.Rc1 e5=) 18...Bh5 (18...Ng4 19.d3=) 19.h3 (19.d3 e5=) 19...Bf3 (19...Ne4 20.Be2=) 20.Qf3+= (worse 20.gf3 Ne5 21.Be2 Rd5=) 20...Ne5 (20...Qd6 21.d4+=) 21.Qg3+– (21.Qg3 Nfd7 22.Rac1+–) 1–0. guestuuwd – guestadda, internet, 2018.

4.d4 Nf6 5.Nd2 Bf5 6.Nb3 Qc7 7.e3 e6 8.Bd3 Nbd7 9.a4 (9.Bf5 ef5 10.Qd3 Bd6+=) 9...Bd6 (9...Bd3 10.Qd3 e5 11.Ne2–/+) 10.f4 (10.Bf5 ef5 11.Nf3 0-0+=) 10...Nb6 11.a5 Nc4 12.Bc4 dc4 13.Nd2 Bd3 14.Nh3 g5 15.g3 (15.fg5 Bh2; 15.Ng5 Bf4) 15...Nd5–/+ 16.Kf2 gf4 17.ef4 h5 18.Nf3 f6 19.Re1 Bf5 20.Nhg1 0-0-0 21.Nh4 Bg4 22.Qd2 (22.Ngf3!?+=) 22...Nf4! 23.Re3? (23.gf4 Bf4 Double attack) 23...Nd5 24.Re4? (24.Ree1–+) 24...f5 25.Re6 f4 26.Rd6 Qd6 27.Re1 Rde8 (27...Rhg8 28.a6 fg3 29.hg3 Rdf8 30.Ngf3 Bf3 31.ab7 Kb7 32.Re5–+) 28.Ngf3 Re3 29.gf4 Re1 30.Qe1 Nf4 (30...Nf4 31.Qe4 Nd3 32.Kg1 Rg8–+; 30...Qf4?! 31.Qe5 Qf8 32.Qe2–+) 0–1. Brjuhin,Boris (2110) – Volkov,Sergey (2620), Kimry–ch, 2008.

4.e3 Nf6 5.Nf3 Bf5 6.d4 e6 7.a4 Nbd7 8.a5 Qc7 9.Nbd2 Bd6 10.h3 h6 11.Qb3 0-0 12.c4 a6 13.c5 Be7 14.g4 Bg6 15.Rg1 Ne4 16.Ne4 Be4 17.Ne5 Ne5 18.de5 Bh4 19.Bg2 f5 20.Be4? (better is 20.gf5 Bf5 21.Rf1=+) 20...fe4–+ 21.0-0-0 Rf2 22.Bc3 Raf8 23.Rde1? (23.Be1 R8f3 24.Qc3–/+) 23...Rh2 24.Ref1 Bf2 (< 24...Rh3 25.Rf8 Kf8 26.Bd4–+) 25.Rh1 Be3 26.Kb1 Rh1 27.Rh1 Rf3 28.Qc2 Rf2 29.Qd1 Bf4 30.h4 Be5 31.Qe1 Rf3 32.Bd2 Bg3 33.Qc1 Bf4 34.g5 (34.Bf4 Qf4 35.Qf4 Rf4–+) 34...h5 (34...Rb3 35.Kc2 Rb4 36.Qa1 Bd2 37.Qa3 Rc4 38.Kb1–+) 35.g6 (35.Bf4 Qf4 36.Qf4 Rf4–+) 35...Qe5 (better is 35...Rb3 36.Kc2 Rb4 37.Bf4 Rc4 38.Kb3 Rc1 39.Bc7 Rh1–+) 36.Rf1 (36.Bf4 Rf4 37.Qe3–+) 36...Bd2 37.Qd1 Ra3 (38.Qd2 Qa1 39.Kc2 Qf1 40.Kb2 Qa1 41.Kc2 Ra2 42.Kb3 Qb1 43.Kc3 Ra3 44.Kd4 Qa1 45.Qc3 Qc3) 0–1. Kruchinin,Anatoly – Rozkov,Nikolai (2255), RUS–Cup Nizhniy Novgorod, 1999.

4.Nf3 Nf6 5.e3 Bg4 6.Be2 Nbd7 7.0-0 g6 8.a3 Bg7 9.d3 0-0 10.Nbd2 e5 11.e4 Nh5 12.h3 Bf3 13.Bf3 Nf4 14.Qc2 Rad8 15.Kh2 Nf6 16.g3 (16.ed5 cd5 17.g3 Nd3 18.Qd3–/+) 16...Ne6?? (better is 16...Nd3 17.a4 Rfe8–+) 17.Rae1 Bh6 (17...de4!? 18.Ne4 Ne4 19.Be4 Rfe8=) 18.ed5+/– Nd5 (18...cd5 19.c4 Nd4 20.Bd4 ed4 21.Nb3+/–) 19.Re5 Qc7 20.c4 Ne7 21.Re4 Nf5 22.Nb3 Ng5 23.Rf4 Nh3?? (better is 23...Nf3 24.Rf3 Nh4=) 24.Rf5+– (24.Kh3 Bf4 25.Qc3 f6 26.gf4 Qf4–/+) 24...gf5 25.Kh3 f6 26.Kg2 Rd7 (26...f4 27.Nd4 Rfe8 28.Bh5+–) 27.Rh1 Kg7 (27...Bg5 28.Nd4 f4 29.Ne6+–) 28.Nd4 Rd4 29.Bd4 f4 30.Qc3 fg3 31.Bf6! Rf6 (31...Kg8 32.Rh4 gf2 33.Rg4 Kf7 34.Bg7+–) 32.Rh6 Qf7 33.Rf6 Qf6 34.Qf6 Kf6 35.Kg3 1–0. misho56 (1800) – opetuslapsi (1800), gameknot.com, 2010.

4.g3 e6 5.Nf3 Nf6 6.Bg2 a5 7.a3 Be7 8.0-0 c5 9.d4 cd4 10.Qd4 Qd4 11.Nd4 0-0 12.Nd2 Bd7 13.e4 de4 14.Ne4 Ne4 15.Be4 ab4 16.cb4 Nc6 17.Nc6 Bc6 18.Bc6 bc6 19.Rfc1 Ra6 20.Rd1 Rfa8 21.Rac1 Rb8 22.Rd7 Kf8 23.Rc7 Bf6 (23...c5!? 24.Be5 f6 25.Re7 fe5+/–) 24.Bf6+/– gf6 25.Rd1 (25.Rc3 Rba8+=) 25...Kg8 (25...Ra3!? 26.Rdd7 Kg7+= (< 26...Rb4 27.Rf7 Kg8 28.Rg7 Kh8 29.Rh7 Kg8 30.Rhe7+–)) 26.Rdd7 Rf8 27.Ra7 Ra7 28.Ra7 f5 29.Kf1 h5 30.Ke2 Rc8 31.h4 (31.Kd3 Rd8 32.Kc3 Kg7+/–) 31...Kg7 32.Ra5 Kg6 (32...Kf6 33.Kd3+/–) 33.Ke3 Kf6 34.Rc5 Ra8 35.Ra5 (35.Rc3 Ke7+=) 35...Rc8+/– 36.Rc5 (36.f3 Ke7+=) 36...Ra8+= 37.Rc3 Ke5 38.Rd3 (< 38.Rc6 Ra3 39.Ke2 Rb3=+) 38...Kf6 39.f4 (39.Kd4 e5 40.Kc5 e4+/–) 39...Ra4 40.Kd4 Ke7 41.Rc3 Kd6 42.Kc4 Ra6 43.Rd3 Ke7 44.Rc3 (44.b5 Ra4 45.Kc5 cb5 46.Kb5 Ra8+/–) 44...Kd6+= 45.Rd3 (45.Kb3 Kd5+=) 45...Ke7 46.Kb3 Ra8 47.Rf3 Rd8 48.Rc3 Rd6 (48...Rg8 49.a4 Kd6 50.Kc4+/–) 49.a4 Kd7 50.Kc4 Kc7 51.Rd3 Rd3 52.Kd3 f6 53.a5 (53.Kc4!?+/–) 53...e5= 54.fe5 fe5 55.Kc3 Kb7 56.Kc4 e4 57.Kb3 Ka7 58.Kc4 (58.Kc3!?=) 58...Ka6=+ 59.Kd4 Kb5 60.Ke3 c5 61.a6 Ka6 62.bc5 Ka5 63.Kd4 Kb5 64.Kd5 e3 65.c6 Kb6 66.Kd6 e2 67.c7 e1Q 68.c8Q Qg3 69.Ke6 Qh4 (69...Qe3!? 70.Kf6 Qd4 71.Ke6 Qe4 72.Kd6 f4 73.Qc5 Ka6 74.Qh5 f3–/+) 70.Qb8=+ Kc5 71.Qe5 Kc6 (71...Kc4 72.Qe2 Kc3 73.Qe3 Kc2 74.Qe2 Kc1 75.Kf5=+) 72.Qc3 Kb7 73.Qg7 Ka6 74.Qa1 Kb6 75.Qb2 Ka7 76.Qa3 Kb6 77.Qe3 Ka6 78.Qd3 Kb6 79.Qb3 Ka6 80.Qd3 Kb6 81.Qb3 Kc5 82.Qa3 Kc6 83.Qa6 Kc5 84.Qa5 Kc6 85.Qd5 Kb6 ½–½. TerraPi (2235) – AvernoX (2190), ICC, 2001.

5.e3 Bg4 6.a3 a5 7.ba5 (7.c4 ab4 8.c5 b3=+) 7...Ra5= 8.c4 e6 9.Bd4 (9.Bf6 gf6 10.cd5 Bf5=+) 9...c5 (9...Qd8 10.Qb2 dc4 11.Qb7=) 10.Bf6 (10.Bc3 Ra7=) 10...gf6 11.Be2 (11.cd5!? ed5 12.Nc3=) 11...Bf5=+ 12.Bd3 (12.d3 dc4 13.Qc4 Bd6=+) 12...Bd3 13.Qd3 d4 (13...Qa6 14.Qc3 dc4 15.Nf3–/+) 14.Qc2 (14.Ra2 Rg8 15.g3 Ra4=) 14...Nc6 15.Ra2 (15.Nf3 Nb4 16.Qb3 Nd3 17.Qd3 Qb2=) 15...Be7 (15...Ne5 16.d3=+) 16.Nf3 (16.Rb2 Qc7=) 16...0-0 (16...Ra4 17.Rb2 Rc4 18.Rb6 Rc2 19.Kd1=+) 17.0-0 Rfa8 18.Rb2 Qc7 19.Rb3 f5 20.Re1 Bf6 21.Qb2 R8a7 22.Qc2 Ra4=+ 23.e4 Na5 24.Rb5 Rc4–/+ 25.Qd3 Ra4 26.ef5=+ Qc6 27.fe6= fe6 28.Ne5 Qd5? 29.Ng4 Bg7 30.Qg3 Kf7 31.Qc7 Kg6 32.Rc5 Qb3 33.Qc8 Ra6 34.Qe8# 1–0. Jew,Harold – Brodie,Hugh, CAN–op Sackville, NB, 2001.

5.Nf3 Nbd7 =+.

5.c4 Qb4 (5...Nd7!?=+) 6.Be5= dc4 7.Bc3 Qb6 (7...Qb5 8.a4 Qb3 9.Qc1+=) 8.Bc4+= Nf6 9.Bf6 gf6 10.Nc3 Be6? (better 10...Nd7!? 11.Nf3 Qb4+=) 11.Be6+– fe6 12.Rb1 Qa5? (better 12...Qc7 13.Qh5 Qf7 14.Qf7 Kf7 15.Rb7 Be7+–) 13.Qb3 Kf7 (13...Qc7 14.Qe6 Be7+–) 14.Qb7 (14.Qb7 Nd7 15.Qa8+–) 1–0. Janek – Guest545, internet, 2018.

5.Be2 Bd6 6.a3 Nf6 7.c4 dc4 8.Bc4 0-0 9.Qf3 (9.Nf3 Bg4+=) 9...Bg4 (9...a5!?–/+) 10.Qg3+= c5 11.f3 e4 (11...Be6 12.Be6 fe6 13.Ne2+= (13.Be5? Nh5 14.Qg5 Rf5–+)) 12.Qf2 (12.Qh4 Bd7 13.Bf6 gf6+/–) 12...ef3 (12...Be6 13.Qe2+=) 13.Nf3 (13.Bf6!? gf6 14.Qh4+=) 13...Bf3 14.Qf3 Nbd7 (worse is 14...cb4 15.Bf6 gf6 16.Qg4 Kh8 17.Qh4+=) 15.Bc3 Rae8 16.0-0 cb4 17.ab4 Qc7 18.Bb5 Re7 (18...Bh2!? 19.Kh1 Ra8+=) 19.Bd7 (worse is 19.Bf6 Bh2 20.Kh1 Nf6–/+; 19.Ra7?! Bh2 20.Kh1 Rb8+=) 19...Nd7 20.Qg4 Bh2 21.Kh1 Be5 22.Ra7 Bc3 23.Nc3 Qb6 (23...Qd6 24.Qd4 Qd4 25.ed4=) 24.Rfa1 (better is 24.Nd5 Qh6 25.Kg1+–) 24...Nf6= 25.Qf3 (25.Qc4 Rd7 26.R7a2 Qd6=) 25...Rfe8 (25...Qb4 26.Rb1 Qh4 27.Kg1–/+) 26.Ra8 (26.b5 Rd7=) 26...Kf8 (26...Qd6!?–/+) 27.Re8 Re8 28.Rb1 Re7 29.Nd5 Nd5 30.Qd5 Qh6 31.Kg1 Qb6 32.b5 g6 33.Kf1 Qf6 34.Ke2 Kg7 35.Rc1 Qf4 36.b6 Qg4 37.Ke1 Rd7 38.Qf3 Qf3 39.gf3= Rd6 40.Rb1 f5 41.f4 h5 42.Rb2 h4 43.Kf2 Kh6 44.Kf3 Kh5 45.d4 g5 46.fg5 Kg5 47.Rg2 Kh5 48.Kf4 Rg6 49.Rg6 Kg6 50.d5?? h3 51.d6?? Kf6?? 52.d7 ½–½. smoothoperator (2065) – pwillows (2125), net–chess.com, 2013.

5.a3 c5 6.c4=.

5.a3 e5 6.c4 Nd7 7.Nc3 (7.Nf3 Qc7=) 7...Ngf6 8.d4 e4 (8...ed4 9.ed4 Be7 10.c5=+) 9.c5 (9.cd5 cd5 10.Rc1 Be7=) 9...Qc7 10.a4 (10.Nge2 Be7=+) 10...Be7=+ 11.Nge2 h5 12.Ng3 Bg4 13.Be2 h4 (13...Be2 14.Nge2 h4=) 14.Bg4 (better 14.Nge4 Be2 15.Nf6 Nf6 16.Qe2+–) 14...hg3–/+ (worse 14...Ng4 15.Qg4 hg3 16.fg3=) 15.Bd7 Nd7 16.h3 gf2 17.Kf2 Bh4 18.Ke2 Qg3 19.Qg1 Rh6 20.Rf1 Rg6 21.Rh2 a5 (21...Rf6 22.Rf6 Nf6 23.Kd1–/+) 22.b5=+ b6 (22...Rc8 23.Kd1=+) 23.Ba3 (23.bc6!? Rc6 24.Nd5=) 23...Rc8 (23...bc5 24.Bc5 Bf6 25.Kd2–/+) 24.Rf5 (24.bc6 Rgc6 25.Nd5 Qg5=+) 24...Rf6 (24...bc5 25.bc6 Rgc6 26.Rd5–/+) 25.Rf6=+ Bf6 26.bc6 Rc6 27.Nd5 bc5 (27...Bd4 28.Rh1 Bc5 29.Bb2–+) 28.dc5 (28.Nf6 Rf6 29.Bc5=+) 28...Nc5 29.Nf6 gf6 30.Rh1 (30.Bc5 Rc5 31.Qb1–+) 30...Nb3 (30...Na4?! 31.Qh2 Rc2 32.Kd1 Rg2 33.Qg3 Rg3 34.Ke2–+) 31.Qh2 (31.Kf1 Rc2 32.Bd6 Nd2 33.Ke2 Nc4 34.Kd1 Rd2 35.Kc1 Qd6 36.g4 Qa3 37.Kb1 Qb2) 31…Rc2 (31...Rc2 32.Kd1 Rd2) 0–1. Mette,W – Kruhme,H, corr BdF–3cup, 1956.

5.Nf3 h6 6.a3 a5 7.Be2 (7.c4 ab4 8.c5 Qc7=) 7...Nf6=+ 8.0-0 e6 9.Ne5 (9.c4 dc4 10.Bd4 Qc7=+) 9...Be7 (9...Nbd7 10.Nd7 Nd7 11.d4=+) 10.d4 Nbd7 11.Nd2 Ne5 12.de5 Nd7 13.e4 Bh7 (13...Be4 14.Ne4 de4 15.Qc2 Ne5 16.Qe4=+) 14.ed5= cd5 15.c4 ab4 16.ab4 Ra1 17.Qa1 0-0 (worse 17...Bb4 18.cd5 ed5 19.Bd4+–) 18.cd5 Bb4 (better 18...ed5!? 19.b5 Qe6=) 19.Nc4+= Qd8 (19...Qb5 20.d6+–) 20.d6 Bc5 21.Bd4 f6 (21...b5 22.Bc5 Nc5 23.Nd2+–) 22.Bg4 Re8 23.ef6 gf6 (23...Bd4 24.f7! Kf7 25.Qd4 b5 26.Ne5 Ne5 27.Qe5 Qg5+–) 24.Bc5 Nc5 25.Qa7 Ne4 (25...b5 26.Qc5 bc4 27.Qc6+–) 26.Rb1 Nd6 (26...Nc5 27.Rd1 (27.Qc5?! Bb1 28.Nb6 Bf5+=) 27...Nd7 28.Qb7+–) 27.Rd1 Nb5 (27...Qa8 28.Qa8 Ra8 29.Nd6 e5+–) 28.Rd8 (28.Rd8 Na7 29.Re8 Kg7 30.Re7 Kh8 31.Be6+–) 1–0. Janek – Frederico, internet, 2018.

4.Qc2 d5 5.d4 g6 6.g3 Bf5 7.Qd1 a5 8.a3 Bg7 9.Bh3 Bh3 10.Nh3 0-0 11.0-0 Nbd7 12.Nf4 e5 13.de5 Ne5 14.Nd2 Rfe8 15.Rb1 Qa6 16.Qc2 b5 17.Nd3 Ned7 18.Nf3 Qc8 19.Rfd1 Nb6 20.Nd4 Ne4 21.f3 Nf6 22.Kg2 Nc4 23.Bc1 ab4 24.ab4 Nd7 25.h4 Qa6 26.Rh1 Qa2 27.Nb2?? (better is 27.Qa2 Ra2 28.Nc6 Ree2 29.Kh3 Bc3 30.Nf4–/+) 27...Na3–+ 28.Qd2 Nb1 29.Qf4 (29.Qc2 Ra3 30.Bh6 Rc3 31.Qb1 Qb1 (31...Bd4?! 32.Qa2 Rc2 33.Bc1=) 32.Rb1 Bd4–+) 29...Nc3 30.e3 (30.Re1 Qb1–+) 30...Ne5 (better is 30...Na4!? 31.Qc7 Nb8 32.Nc6 Nb2 33.Bb2 Qb2 34.Kh3–+) 31.Kh3 Qa7 32.g4 Qd7 33.Kg3 Ra2 34.h5 Rb2 35.Bb2 Ne4 (better is 35...Nd3 36.Bc3 Nf4 37.ef4–+) 36.fe4 de4 (better is 36...Nd3!? 37.Qf3 Qd6 38.Kh3 Nb2 39.hg6 fg6 40.ed5–+) 37.Bc3 Nd3 38.Qg5 Be5 (39.Kg2 Qd5–+) 0–1. Baxa,Ottokar – Arbinger,Axel (1850), Passau op, 1999.

4.e3 g6 5.Nf3 Bg7 6.Na3 d5 7.Be2 Bf5 8.0-0 Nbd7 9.Nd4 0-0-0 10.Qb3 h5 11.Nf5 gf5 12.c4 dc4 13.Nc4 Qc7 14.Rac1 Ng4 15.g3 h4?? (better is 15...Bb2 16.Nb2 h4+=) 16.Bg7+– Rhg8 17.Bg4 fg4 18.Bd4 hg3 (18...Kb8+–) 19.fg3 (worse is 19.hg3 Kb8+–) 19...f6 20.Na3 a6 21.b5! ab5 (21...ab5 22.Nb5; 21...cb5 22.Rc7) 22.Nb5! Qa5 (22...cb5 23.Qb4 Double attack) 23.Na7 Kc7 24.Nb5 Kc8 25.Rf5 Ne5 (25...e5+–) 26.Qe6 Kb8 27.Be5 fe5 28.Qe5 Ka8 (28...Rd6 29.Qe7 cb5 30.Qd6 Ka7+–) 29.Nc7 Qc7 30.Qc7 Rd2 (30...Rd5 31.Rc3 b6 32.Rd5 cd5 33.Ra3) 31.Ra5 1–0. madik – monkeyunit, gameknot.com, 2011.

4.g3 d5 5.Bg2 e5 6.d3 c5 7.Qb3 cb4 0–1. Behrmann – Scherfke, 1997.

5.Qb3 ab4 (5...d5 6.Nf3=+) 6.cb4 e6 7.b5 Bc5 (7...Be7 8.e3=+) 8.e3 cb5 (8...Be7 9.Bc3=) 9.ab5 (9.Bb5 Nc6+=) 9...Ra1= 10.Ba1 Nc6 (10...Qd8 11.Bf6 Qf6 12.d4=) 11.Nc3 d5?? (better 11...Na5 12.Qc2 Qd8+=) 12.Na4+– Qa7 13.bc6 bc6 14.Bf6 (worse 14.Nc5 Qa1 15.Qd1 Qa3+–) 14...gf6 15.Nc5 Qc5 16.Be2 Qc1 17.Bd1 Ba6 (17...e5+–) 18.Qb8 Ke7 19.Qh8 Bd3 20.Ne2 Bc2 (20...Be2 21.Ke2 Qc4 22.Ke1 Qe4+–) 21.Nc1 Bd1 22.Kd1 c5 23.Kc2 c4 24.Ne2 e5 (24...f5 25.Rb1 d4 26.Rb7 Kd6 27.Qd4 Kc6 28.Qd7 Kc5 29.Rb5) 25.Rb1 Ke6 (25...d4 26.Rb7 Kd6 27.Qf6 Kc5 28.Qe7 Kd5 29.Qd7 Ke4 30.Ng3) 26.Rb6 (26.Qc8 Kd6 27.Rb6 Ke7 28.Nc3 f5 29.Nd5) 26...Kd7 (26...Ke7 27.Qf6 Ke8 28.Rb7 c3 29.Qe7) 27.Qb8 d4 (27...e4 28.Qd6 Ke8 29.Rb8) 28.Qd6 (28.Qd6 Ke8 29.Rb8) 1–0. Pereira – Lillilu, internet, 2020.

5.Qb3 ab4 6.cb4 e6 7.b5 Bc5 (7...d5 8.e3=+) 8.e3 cb5 (8...Be7 9.Bc3=) 9.ab5 Ra1 10.Ba1 Nc6 (10...Qd8 11.Bf6 Qf6 12.d4+=) 11.Nc3 d5?? (better 11...Na5 12.Qc2 Qd8+=) 12.Na4+– Qa7 13.bc6 bc6 14.Bf6 gf6 15.Nc5 Qc5 16.Be2 Qc1 (16...e5 17.Qb2+–) 17.Bd1 Ba6 (17...e5+–) 18.Qb8 Ke7 19.Qh8 Bd3 20.Ne2 Bc2 (20...Be2 21.Ke2 Qc4 22.Ke1 Qe4+–) 21.Nc1 Bd1 22.Kd1 c5 23.Kc2 c4 24.Ne2 e5 (24...d4 25.Ra1 d3 26.Kc3 e5 27.Ra7 Ke6 28.Qc8 Kd6 29.Rd7 Ke6 30.Rd8 Ke7 31.Qd7) 25.Rb1 Ke6 (25...d4 26.Rb7 Kd6 27.Qf6 Kc5 28.Qe7 Kd5 29.Qd7 Ke4 30.Ng3) 26.Rb6 (26.Qc8 Kd6 27.Rb6 Ke7 28.Nc3 f5 29.Nd5) 26...Kd7 (26...Ke7 27.Qf6 Ke8 28.Rb7 c3 29.Qe7) 27.Qb8 d4 (27...e4 28.Qd6 Ke8 29.Rb8) 1–0. Pereira – Lillilu, internet, 2020.

5.Qa4 Nbd7 6.d4 e5 7.de5 Ng4 8.e3 (8.Nd4!?=+) 8...Nc5! –/+.

5.Qa4 Bg4 6.h3 (6.Ne5 e6=+) 6...Bf3 7.ef3 Nbd7 8.Be2 e5 9.Qa5 (9.0-0!?=+) 9...Qa5–/+ 10.ba5 Bd6 11.0-0 Nh5 12.Re1 Nf4 13.d4 0-0 14.Ba3 Ba3 15.Na3 Rae8 16.Bf1 ed4 17.cd4 Nf6 18.Re3 Ne6 19.Rb1 Re7 20.Nc2 Rc8 (20...Rfe8 21.Bd3–/+) 21.Bd3 c5 (21...Kf8 22.Bf5 Rcc7 23.a6–/+) 22.Bf5 (22.dc5 Rc5 23.a6 b6=+) 22...c4 –/+.

5.e3 Bf5 6.a4 Nbd7 7.Nd4 (7.a5 Qc7=) 7...Bg4 (7...Bg6 8.a5 Qc7 9.a6=+) 8.f3= Bh5 9.g4 Bg6 10.a5 Qc7 11.g5 Nh5 12.f4 Be4 (better is 12...e5 13.fe5 Ne5=+) 13.Ne6?? (13.Rg1 Bb1 14.Rb1 g6+=) 13...Qd6?? (better is 13...fe6 14.Rg1 g6–+) 14.Nf8= Rf8 15.Rg1 +=.

5.e3 Bf5 6.d4 e6 7.Bd3 Bd3 8.Qd3 c5 (8...a5 9.a3=+) 9.dc5= Bc5 10.Nbd2 (10.bc5 Qb2) 10...0-0 (better is 10...Be7=+) 11.0-0-0? (11.bc5 Qb2 12.Rb1 Qa2 13.Rb7–/+) 11...Be7 –/+.

4.a3 d4 5.Bb2 c5 6.c3 (6.e3 Nc6=) 6...e5 7.e3 Nf6 8.f3 (8.ed4 ed4 (worse 8...cd4 9.cd4 ed4 10.Nf3+=) 9.Bc4 Be7=) 8...Nc6 (8...de3 9.de3 cb4 10.cb4 Qe3 11.Qe2 Qe2 12.Ne2–/+) 9.b5 (9.ed4 cd4 10.cd4 Nd4=+) 9...Be6 10.cd4 cd4 11.Qe2 (better 11.f4 Nd5 12.Qa4–/+) 11...Rd8–+ 12.ed4 (12.Qf2 Bc5 13.Qg3 0-0–+) 12...Nd4 13.Bd4 (13.Qe5 Nc2 14.Kd1 Na1 15.Ba1 Bc5–+) 13...Qd4 (13...Rd4?! 14.Qe5 Rd5 15.Qf4–/+) 14.Nc3 Bc5 15.a4 (15.f4 Ne4!! 16.Nf3 Qf2 17.Qf2 Bf2 18.Ke2 Bc4 19.Kd1 Nc3 20.Kc2–+) 15...Bc4!! 16.Qe3 (16.Qc4 Theme: Deflection from d2 16...Qd2 The nicest combinations are those leading to mate) 16...Qh4 17.g3 Be3 18.gh4 (18.de3 Qh6 19.Bc4 Rc8 20.Bf7 Kf7–+) 18...Bd2 19.Kf2 (19.Kf2 Bc3 20.Rc1 Rd2 21.Ne2–+). Delboy Smith – Goyathlay (1905), ChessWorld.net, 2010.

4.a4 a5 5.ba5= Qc7 6.d3 e5 7.e3 Nf6 8.Nf3 Bd6 9.Be2 0-0 10.Qd2 Bg4 11.0-0 (11.h3 Bf3 12.Bf3 Re8=) 11...Nbd7 (11...e4 12.Nd4 Bh2 13.Kh1-/+) 12.Na3? (12.h3 Bh5=+) 12...Rfe8 Black intends e4 (better 12...e4!? 13.Nd4 Bh2 14.Kh1 Be2 15.Ne2 Be5-+) 13.h3=+ Bh5 14.Rfb1 e4 15.Nd4 Be2 16.Ne2 Ne5 17.Rb6 Qe7 18.Nb1 Ra7 19.Nd4 g6 20.f4 (better 20.Rb2!?=+) 20...ef3!-/+ 21.Nf3 (21.Nf3 Nf3 Double attack; 21.gf3 c5 Decoy) 21...Nf3 22.gf3 Qe3?? (better 22...Nd7-+) 23.Qe3+/- Re3 24.Bf6 Bc5 25.d4 Bb6 26.ab6 Ra6 27.Kf2 Re6 (27...Re8 28.a5 Rea8 29.c4 dc4 30.Nd2 Ra5 31.Ra5 Ra5 32.Nc4+/-) 28.Bd8 Ra8 (28...f5 29.Bc7 Re8 30.Nc3+/-) 29.Bc7+- Rae8 30.Nc3 Re3 (30...Ra8 31.a5 Ra6 32.Ra3+-) 31.Ra3 (31.Ne4 Rf3 32.Kf3 de4 33.Ke3 Ra8+-) 31...Re1 (31...R3e7+-) 32.a5 Rh1 (32...Rc1 33.Ra2 Kf8 34.a6 ba6 35.b7+-) 33.Kg2 (better 33.a6!? ba6 34.Ra6 Rc1+-) 33...Ree1 (33...Rc1 34.Ra2 Rce1 35.Kf2+-) 34.Bh2 (better 34.a6 Rhg1 35.Kf2 Rgf1 36.Kg3 g5+-) 34...Ra1 (34...Rc1 35.Ra2 Rb1+-) 35.Na2 (35.a6 Rh2 36.Kh2 Ra3 37.ab7 Rc3 38.b8Q Kg7 39.Qe5 Kg8 40.Qe8 Kg7+-) 35...Rhd1?? (better 35...Rhb1 36.Bd6 Rg1 37.Kf2 Rgb1+-) 36.a6+- ba6 37.b7 (37.Ra6?! Rd2 38.Kg3 Rb1+/-) 37...Rdb1 38.b8Q (38.Rb3!? Rb3 39.cb3 Ra2 40.Kg3 Kg7+-) 38...Rb8 39.Bb8 1-0. benachamohcine (2105) - kurzeme (2010), Rated Blitz game, lichess.org, 2014.

4.a4 d4 5.a5 Qd8 6.Bb2=+.

4.d4 Nf6 5.f3 e5 (better 5...e6!?=+) 6.de5= Nfd7 7.a3 a5 8.ba5 Qc7 9.f4 Bc5 10.Nf3 0-0 11.Nbd2 (11.e4 de4 12.Ng5 Nf6+=) 11...Be3= 12.g3 Nc5 13.Bd4 Bd4 14.Nd4 Qa5 15.Bg2 Ne4 (15...Qc3!? 16.N4b3 Nba6=+) 16.Be4= de4 17.0-0 Bh3 18.N2b3 (better 18.Re1 c5 19.N4b3=) 18...Qb6–/+ 19.e3 Bf1 20.Qf1 c5 (20...Ra4 21.Qh3–/+) 21.Nf5 (21.Qb5 Qb5 22.Nb5 b6=) 21...Nc6 (21...Ra4!?=+) 22.Qc4= Qa6 (better 22...Qc7!?=) 23.Qa6+– Ra6 24.Nc5 Rb6 (better 24...Ra7!?+–) 25.Nd7+– Rb2 26.Nf8 Kf8 27.Nd6 Ke7 28.Ne4 Rc2 29.Nd6 Rb2 30.a4 f6 31.a5 (better 31.Nf5!? Kf7 32.ef6 Kf6 33.g4+–) 31...fe5+– 32.Nc4 Re2 (32...Rb5 33.Ne5 Ne5 34.fe5+–) 33.fe5 (33.Rb1!? Nd8 34.fe5+–) 33...Ke6+– 34.a6 ba6 35.Ra6 Kd5 36.Nb6 (36.e6!?+–) 36...Ke5+= 37.Nd7 Kd6? (better 37...Kd5+=) 38.Nb8+– Re3 (38...Rc2+–) 39.Rc6 Kd5 40.Rc7 Re1 41.Kf2 Rh1 42.Kg2 Rb1 43.Na6 Rb6 44.Rg7 (44.Nc5!? Rb2 45.Kh3 Kd6+–) 44...Ra6 45.Rh7 Ke4 46.Rh4 Kf5 47.Kh3 (47.Rf4 Ke5+–) 47...Kg6 48.Rg4 Kh6 49.Rf4 Rb6 50.g4 Rc6 51.Kh4 Rb6 52.g5 Kh7 53.Kh5 Rb5 54.h4 Rc5 55.Rf6 1–0. beatmeeasy (1995) – Trickser25 (2150), lichess.org, 2020.

4.e3 Nf6 5.a3 Bg4 6.Qc1 Nbd7 7.d3 e5 8.Qb2 Bd6 9.Nd2 0-0 10.h3 Be6 11.Ngf3 Qc7 12.Be2 ½–½. Shanava,K (2535) – Azaladze,S (2420), 4th Karen Asrian Memorial, 2011.

4.Nf3 Bf5 5.e3 Nd7 6.a4 Ngf6 7.a5 Qc7 8.Be2 e5 9.d3 Be7 10.0-0 0-0 11.Nbd2 h6 12.Nb3 a6 13.h3 e4 14.Nfd4 Bg6 15.f4 ef3 16.Bf3 Ne5 17.Be2 b6 18.Qe1 c5? (18...b5 19.Nf5 Bf5 20.Rf5+=) 19.Nf5 (better is 19.ab6!? Qb6 20.Nc5 Bc5 21.bc5+–) 19...Bf5+= 20.Rf5 Ned7 21.ab6 Qb6 22.bc5 Bc5 23.Bd4 Bd4 24.Nd4 Rfe8 25.Qg3 Qb2 26.Raf1 Qb8 27.R5f4 Qe5? (better is 27...Nf8=) 28.Nf5+– Nh7?? (better is 28...g6 29.Nh6 Kg7+–) 29.Nh6 (29.Nh6 Kh8 30.Nf7 Kg8 31.Ne5 Re5 32.Qg6+–) 1–0. Goofy (2000) – Hal1958, playchess.de, 2006.

5.Nf3 f6 6.a4 e5 7.a5 Qc7 8.d3 Bd6 9.Be2 Ne7 10.Bb2 (10.0-0 0-0=+) 10...0-0 (10...Bb4!? 11.Bc3 Bd6-/+) 11.c3=+ a6 (11...f5 12.Nbd2=+) 12.Qb3 Kh8 (12...c5 13.Nbd2=+) 13.c4 (13.Nbd2 c5=) 13...e4 (better 13...dc4!? 14.dc4 c5=+) 14.de4+= de4 15.Nd4 Qb8 (15...Nb8 16.Nd2 f5 17.c5+/-) 16.c5 Be5 17.Nd2 Re8?? (17...f5!?+=) 18.Ne4 (better 18.Qf7 Rf8 19.Qe7+-) 18...Nf8 (18...Nd5 19.Rd1+-) 19.Bd3 1-0. benachamohcine (2070) - arina1999 (2215), Rated Blitz game, lichess.org, 2014.

5.Nf3 Ngf6 6.a3 e6 7.Bd4 (7.Ne5 Qc7 8.Nd7 Nd7=) 7...Qc7=+ 8.Be2 (8.Bf6 Nf6 9.Be2 Bd6=+) 8...Bd6 9.0-0 (9.Bb2 e5=+) 9...0-0 (9...e5 10.Bc5 Bc5 11.bc5–/+) 10.h3 (10.Bf6 Nf6 11.d4 a5 12.ba5 Qa5=+) 10...Re8 11.d3 (11.c4 dc4 12.Bc4 a5=+) 11...e5 12.Bb2 Nf8 (12...a5 13.Qd2=+) 13.Nbd2 (13.c4 b6=) 13...Bd7 (13...a5 14.Nb3=+) 14.e4 (14.c4 b6=) 14...Rac8 15.Nh2 Ng6 16.Ng4 Ng4 17.Bg4 Bg4 18.Qg4 d4 19.Nf3 Nf4 20.g3?? h5–+ 21.Qf5 g6 22.Qc8 Qc8 23.gf4 Qh3 24.Nh2 ef4 25.f3 Re5 26.Rf2 Rg5 27.Kh1 Qg3 28.Bd4 Be5 29.Ng4 hg4 30.Rg1 Rh5 31.Rh2 Rh2# 0–1. Wlosek,M – Blaszczak,Jan, corr 2. AMM Poland, 1994.

5.Nf3 Ngf6 6.Be2 Ne4 7.a3 =+.

5.Nf3 Ngf6 6.Be2 e6 7.a3= Bd6 8.0-0 e5 9.d3 =+.

5.Nf3 Ngf6 6.Be2 e6 7.a3= Bd6 8.d4 Ne4 =.

5.Nf3 Nd7 6.Nd4 Bg6 7.f4 e6 8.a4 a6 9.Be2 Ngf6 10.0-0 Be7 11.f5 ef5 12.Nf5 Bf5 13.Rf5 g6 14.a5 Qc7 15.Rf2 Rg8 16.d3 0-0-0 17.Nd2 Rdf8 18.Qf1 Qd6 19.Rd1 Qe6 20.e4 h5 21.h3 h4 22.Re1 de4 23.Ne4 Ne4 24.de4+/– Bd6 25.Bc4 Qe7 26.Rf7 Rf7 27.Qf7 Rf8 28.Qe7 Be7 29.e5 g5 30.Be6 Kc7 31.Rd1 Rd8 32.Bg4 b6 33.Kf1 ba5 34.ba5 Nf8 35.Rd8 Kd8? 36.Be2 1–0. Lukovski,Lev (1945) – Hespers,Rolf, Bad Wildungen op Seniors–B 1st, 2004.

5.Nf3 Nf6 6.Nd4 Bg6 7.d3 e6 8.Be2 Nbd7 9.a3=+ Bd6 10.Nd2 0-0 11.h4 h5 12.N2f3 e5 13.Nb3 Qc7 14.Bd2 e4 15.Ng5 Rae8 16.d4 b6 17.c4 dc4 18.Bc4 Nd5 19.Rc1 Qb7 20.Be2 N7f6 21.0-0 Nc7 22.Qc2+/– Rd8 23.Qc6 Qc6 24.Rc6 Rfe8 25.Rfc1 Rd7?? 26.b5 Ne6 27.Ne6+– Re6 28.Bc4 Ba3 29.Be6 fe6 30.R1c2 Rd6?? 31.Rc7 Rd7 32.Rd7 Nd7 33.Ra2 Bd6 34.Ra7 Nf6 35.Ra8 Kh7 36.Be1 Nd5? 37.Nd2 Bb4 38.Kf1 Be7 39.Rb8 Bh4 40.Nc4 Bf6 41.Nb6 Bf7 42.Nd5 ed5 43.b6 Kg6 44.b7 h4 45.Rc8 1–0. mic (2185) – cyrilrussell (2295), net–chess.com, 2009.

4.a3 e6 5.e3 c5 6.b5 (6.bc5 Bc5 7.Bf6 gf6+=) 6...Be7 7.a4 0-0 8.f4 (8.a5 Qd8=) 8...d5 9.a5 Qd6 (9...Qd8 10.Nf3=+) 10.Be5 Qd8 11.h3? (better 11.Be2!?=+) 11...Ne4–+ 12.Nf3?? (better 12.Qg4 Bh4 13.Ke2 Ng3 14.Kd1–+) 12...Bh4 13.Ke2 Ng3 14.Kd3 (14.Kf2 Nh1 15.Kg1 Nf2–+) 14...Nh1 15.g4 (15.Kc3–+) 15…Nf2 (15...Nf2 16.Ke2 Nd1 17.Kd1 Bf2–+) 0–1. Delboy Smith (1715) – malvesp (2280), ChessWorld.net, 2010.

4.d3 d5 5.Bd2 (5.e3 Nbd7=+) 5...e5–/+ 6.c3 Bd6 7.Na3 Be6 8.Nc2 0-0 9.e3 Nbd7 10.g3 a5 11.a3 Bf5 12.f3 e4 13.fe4 de4 14.d4 Qc7 15.Kf2 ab4 16.ab4 Ra1 17.Na1 Ra8 18.Nb3 Nd5 19.c4 N5f6 20.Be2 h5 21.Kg2=+ Ra3 22.c5 Be7 23.Na5 b6 24.Nc4 Ra2=+ 25.Nh3 Nd5 26.Nf2 b5 27.Na5? Bg5–+ 28.Re1? Be3 29.Bc1 Bc1 30.Qc1 Nb4 31.Nb3 Nf6 32.Kg1 Qd7 33.Bf1 Qe6 34.Qd1 e3 35.Nd3 Nd3 36.Bd3 Bd3 37.Qd3 Qd5 (37...Qd5 38.Re2 Re2 39.Qe2 Qb3–+) 0–1. Alipov,Anatoli Al (2145) – Bashkite,Viktoria (2130), Serpukhov–C, 2004.

4.e3 Nd5 5.a3 Nc3 6.Nc3 g6 7.Na4 Qc7 8.Nf3 Bg7 9.Rb1 (9.d4 d5=) 9...b5 10.Nb2 a5 11.c4 (11.d4!?=) 11...ab4=+ 12.ab4 Bb2 (12...bc4!? 13.Bc4 d5=+) 13.Rb2= bc4 14.Bc4 d5 15.Be2 Nd7 16.0-0 0-0 17.Qc1 Bb7 18.d4 Qd6 19.Qc3 Rfc8 (19...Ba6 20.Rc1=) 20.g3 (20.Rc1 Rcb8+=) 20...Nb6 (20...Ba6 21.Rc1=) 21.Qc5+= Qd8 22.Qc2 Qd6 (22...Ba6 23.Rc1 Be2 24.Qe2=) 23.Rfb1 (23.Rc1 Ba6 24.Ba6 Ra6+=) 23...Rc7 (23...Ba6!?=) 24.Qc5 Na4 25.Qd6 ed6 26.Rb3 Bc8 (26...Nb6 27.Kg2+=) 27.Ra1 (27.Ra3 Nb6 28.Ra8 Na8+=) 27...Nb6+= 28.Ra8 Na8 29.Ra3 Nb6 30.Nd2 (30.Rc3 Bd7=) 30...Kf8 31.Kg2 Ke7 32.Ra2 Rb7 33.Nb3 Bd7 34.Na5 Rc7 35.Rb2 (35.Rc2 Na4=) 35...Kd8 (35...Na4 36.Rc2=) 36.Ba6 c5?? (better 36...Ra7 37.Ra2 Kc7=) 37.bc5+– Nc4?! (37...Nc8 38.Bc8 Kc8 39.cd6 Rc1+–) 38.Rb8 (better 38.Nc4 dc5 39.Rb8 Ke7 40.Nb6+–) 38...Ke7 39.Bc4 dc4 40.Nc4 dc5 41.Nb6 (41.d5 Ra7+–) 41...cd4 (41...Ke6!?+–) 42.Nd5+– Kd6 43.Nc7 Kc7 44.Rf8 d3 45.Kf1 (45.Rf7?? d2–+) 45...Be6 46.Ke1 Kd6 (46...Bd5 47.Kd2+–) 47.Kd2 Bc4 48.Rc8 (48.Kc3 Kc7+–) 48...Bb5 49.Rb8 Bc4 50.Rb4 (50.Kc3 Kc7 51.Ra8 Bd5+–) 50...Kd5 (50...Kc5 51.Kc3 Bb5 52.Rf4+–) 51.Ra4 (51.Kc3 Ba6+–) 51...h5 52.h4 f6 53.Kc3 Bb5 54.Ra5 Kc6 55.Rb5! Kb5 56.Kd3 Kc5 57.Ke4 Kd6 58.Kf4 Ke6 59.e4 (better 59.g4 hg4 60.Kg4+–) 59...Kd6? (59...Kf7+–) 60.f3 (60.e5 Ke6 61.ef6 Kf6+–) 60...Ke6 (60...Ke7 61.g4 Ke6 62.gh5 gh5 63.e5+–) 61.g4 (61.g4 g5 62.hg5+–) 1–0. Kislov,Leonid – Tipikin,Ivan, 2013.

4.e3 d6 5.Nf3 e5 6.Be2 Be7 7.0-0 Nbd7 8.a3 Qc7 9.d4 (9.Bb2 0-0=) 9...e4+= 10.Nfd2 d5 11.f3 0-0 12.fe4 de4 13.Nb3 Bd6 14.N1d2? (better is 14.h3+=) 14...Bh2 15.Kh1 Nd5 16.Bb2?? (better is 16.Ne4 Ne3 17.Qd3 Nf1 18.Rf1–+) 16...Ne3 17.Qc1 (17.Qe1 Bg3 18.Rf2 Nc2 19.Qd1–+) 17…Qg3 (17...Qg3 18.Rf2 Qf2–+) 0–1. Neumann,Frank – Thoernqvist,Christer, corr EU/WS/O/002 ICCF, 2008.

5.Qd2 Nc3 6.Qc3 d5 7.a3 (7.Nf3 f6=+) 7...Nd7 8.e3 (8.Nf3 a5=+) 8...a5 9.ba5 Ra5 10.Nd2 e5 11.Ngf3 Bd6 12.Be2 0-0 13.0-0 Qa7 14.Rfb1 Ra3 15.Ra3 Qa3 (15...Ba3?! 16.Ne5 Ne5 17.Qe5=) 16.Qa3 Ba3 17.e4 Bd6 18.ed5 cd5 19.Rb5 Nf6 20.c4 d4 (better 20...e4 21.de4 de4-/+) 21.Ne5= Re8 22.f4 Be5 (22...Nd7!? 23.Ndf3 f6 24.Nd7 Re2=) 23.Re5+= Re5 24.fe5 Nd7 (24...Bg4 25.Bg4 Ng4 26.Nf3+=) 25.Nf3 (25.Bg4!?+-) 25...Kf8+= 26.Kf2 Ke7 27.Nd4 Ne5 28.Ke3 Bg4 29.Nf3 Bf3 30.gf3 b6 31.f4 Nc6 32.d4 Kd6 33.Bf3 Ne7 34.Kd3 (34.Be4 f5 35.Bd3 h6+/-) 34...g6 35.Bg2 Nf5 (35...h6 36.Bf1+=) 36.Bh3 (36.Bd5 Ke7+=) 36...Nh4+= 37.Bf1 Nf3 38.h3 Nh4 39.Be2 Nf5 (39...h6 40.Ke4=) 40.Bg4 Ng3 (40...Nh4 41.Ke3=) 41.Bf3 (41.Ke3 h6+/-) 41...h5 (41...h6 42.h4+=) 42.Bd1 f6 43.Bf3 g5 44.fg5 fg5 45.Bg2 (45.Kc3 Ke7+=) 45...h4 (45...g4!?=) 46.Bf3+= Nf5 47.Bg4 Nh6 48.Bf3 Nf5 49.Bg4 Ne7 (49...Nh6 50.Be2 Nf5+=) 50.Ke4+/- Nc6 51.Kf5 (better 51.Bf3!?+/-) 51...Nd4= 52.Kg5 Kc5 53.Kh4 Kc4 54.Kg5 b5 55.h4 b4 56.Bd1 Ne6 (56...Kd3 57.h5 Nc2 58.Bg4+-) 57.Kf6 (57.Kf5!? Nd4 58.Ke5+=) 57...Nf4= 58.Kg5 Nh3 59.Kf6 Nf2 60.Ba4 Ne4 61.Ke5 Nc5 Black prepares the advance b3 (61...Ng3 62.Bd1=) 62.Bd1 Kc3 (62...Nd3 63.Kf5 Nf2 64.Ba4=) 63.Kf6 (63.h5 Nd7 64.Ke6 Nf8 65.Kf7+-) 63...Kd2 64.Bg4?? (better 64.h5 Kd1 65.h6 Nd7 66.Kg7=) 64...b3-+ 65.Bf5 b2 66.Bb1 Kc1 67.Ba2 (67.Bg6 Nb3 68.h5-+) 67...Na4 68.h5 Nc3 Black intends b1 69.h6 (69.Bf7 b1Q 70.Bg6 Qb6 71.Kf5 Qc5 72.Kf6 Ne2-+) 69...Na2 70.h7 b1Q 71.h8Q (71.Kg7 Qb7 72.Kg8 Qd5 73.Kg7 Qg5 74.Kf8 Qf6 75.Kg8 Qg6 76.Kh8 Qe8 77.Kg7 Qe5 78.Kg8 Qe6 79.Kg7 Qd7 80.Kg8 Qc8 81.Kg7 Qc3 82.Kg8 Qc4 83.Kf8 Qf4 84.Kg7 Qg4 85.Kf7 Qd4-+) 71…Qb2 (71...Qb2 72.Kf7 Qh8 73.Kg6 Qe8 74.Kf5 Nc3 75.Kf6 Qe3 76.Kf5 Kd2 77.Kg4 Qe6 78.Kg3 Ne2 79.Kf3 Qf5 80.Kg2 Qg4 81.Kf2 Qg3 82.Kf1 Qf3) 0-1. Legenia,Artem (2140) - Calin,Alexandru (2105), Titled Tuesday 6th Apr, 2021.

5.Qd2 Nc3 6.Qc3 d6 7.Nd2 e5 8.Nc4 Qd8 9.Nf3 Be7 10.e4 (10.e3 Na6=+) 10...0-0 11.Ne3 (11.h3 Na6 12.a3 Nc7=+) 11...a5 (11...d5 12.Qb2-/+ (12.Ne5? d4 13.Qb2 de3-+)) 12.a3 (12.ba5 d5 13.Qd2 f6=+) 12...Bf6 (12...d5 13.ed5 (13.Ne5? d4 14.Qb2 de3-+) 13...ab4 14.Qb3-+) 13.Rb1 (13.Be2 d5 14.Qb2 ab4 15.ab4 Ra1 16.Qa1 d4-/+) 13...d5-/+ 14.ed5 (14.Qd2 ab4 15.ab4 d4-/+) 14...cd5 (14...e4 15.Nd4 Qb6 16.de4 Bd4 17.Qd2-+) 15.Qd2 (15.Ne5? d4 16.Qc5 de3 17.fe3 Na6-+) 15...ab4 16.ab4 Nc6 Black prepares d4 (16...d4 17.Nd1-/+) 17.c3 (17.b5 Nd4 18.Be2 Ra2-/+) 17...b5 (17...d4 18.cd4 ed4 19.Nc2-/+) 18.g3 (better 18.d4!? e4 19.Ne5 Ne5 20.de5 Be5 21.Bb5-/+) 18...d4-+ 19.Nd1 Bg4 20.Bg2 Ra4 (20...Qd5 21.Nh4 Qe6 22.c4 Bh4 23.gh4 bc4 24.b5-+) 21.0-0-/+ dc3 22.Nc3 Rb4 23.Nb5? (better 23.Rb4!? Nb4 24.Rb1 Nd3 25.Rb5-/+) 23...Rb5!-+ 24.Rb5 Bf3 25.Rc5? (25.Bf3 Nd4 26.Bc6 Nc6 27.Qe3-+) 25…Nd4 (25...Nd4 26.Qa2 Qb6-+) 0-1. azadi (2055) - anulov (2240), Rated Classical game, lichess.org, 2015.

5.e3 e5 6.Bc3 Qb6 7.d4 =+.

5.e3 Nf6 6.Bc3 Qb6 7.d4 =+.

6.Bc3 Qb6 =+.

6.Bc3 Qc5 =+.

7.Rb1 Qa5 =+.

7.Bd3 f5 8.Rb1 Qa5 9.Nh3 (9.Be2 Be6=+) 9...Be7 10.0-0 (10.Be2 f4–/+) 10...0-0 11.Na4 (11.Be2 Be6–/+) 11...Na6 (11...Be6 12.Bc3 Qc7 13.Qb2–/+) 12.c5 (12.Be2–/+) 12...e4 (12...Nb4 13.Qb3 Nf7 14.cd6 Bd6 15.Bc4–/+) 13.Be2? (13.Bc3 Qc7 14.Ba6 ba6=+) 13...d5 14.Nf4 Nc5–/+ 15.Nc5 Qc5–+ 16.Qb3 Qb6 17.Qc2 Qd8–+ 18.Rfc1 Bd6 19.Bg7 Bf4?? 20.Bf8= Bh2 21.Kh2 Qf8 22.Rh1 f4 23.Qc3 f3 24.gf3= ef3 25.Bd3 Qe7 26.Rbg1+/– Ng4 27.Kg3 Qg5 28.Kf3+– Bf5? 29.Ke2 Rf8 30.f3 h5 31.fg4 Bg4 32.Ke1 Rf7 33.Be2 Rg7 34.Bg4 hg4 35.Rg3 Qf5 36.Rhg1 (36.d3 Qe6+–). Szczesiak,Zenon – Blaszczak,Jan, corr 2. AMM Poland, 1994.

5.a3!? Qa5 6.Nf3=+.

5.a4 d6 6.e3 Nbd7 7.Nf3 g6 (7...Nc5 8.Bf6 gf6 9.Nc3=+) 8.Nc3 (8.Bc3!? Qb6 9.d4=+) 8...Bg7 9.Be2 0-0 10.0-0 Nc5 11.Ba3 Qb6 12.Rab1 Qa5 13.Bb4 Qc7 14.d4 (14.h3–/+) 14...Ncd7?? (better 14...Bf5!? 15.Qb2 Bb1 16.Rb1 Ne6–+) 15.Ne1 White prepares the advance c5 15...b6 16.Nd3 White plans c5 16...Bb7 17.c5 (17.Ba3!?=+) 17...bc5–/+ 18.dc5 Ba6 (better 18...d5!?–/+) 19.cd6=+ ed6 20.Nf4 Be2 21.Nfe2 c5 22.Ba3 Nb6 23.Rfd1 Rfd8 24.Nb5 Attacks the backward pawn on d6 24...Qe7 25.Rb3 (25.a5 Nc8=+) 25...Qe4 (25...Rab8!?–/+) 26.Qe4=+ Ne4 27.f3 Nf6 28.Rd6 (28.Nd6? Ne8 29.a5 Rd6 30.Rd6 Nd6 31.ab6 ab6 32.Rb6 Nc4 33.Bc5 Nb6 34.Bb6 Be5–/+) 28...Rd6 (28...Na4 29.Rd8 Rd8 30.Na7=+) 29.Nd6= Na4 30.Rb7 Nd5 31.Nf7 (better 31.e4!? Nb4 32.Nf7+= (32.Rf7? Be5–+)) 31...Ne3=+ 32.Ng5 c4 (better 32...Nc2 33.Bc1 c4=+) 33.Rc7 (better 33.Nf4!?=) 33...c3–/+ 34.Bc5 (34.Kf2 Nd5 35.Rd7 Nab6–+) 34...Nc5 35.Rc5 c2 36.Kf2 (36.Ne4 Re8–+) 36...Re8 (36...Nd1!? 37.Kg3 Bc3 38.Ne4–+) 37.Ne4–/+ Bb2?? (better 37...Nd1 38.Ke1 Bc3 39.Kf1 Bh8–+) 38.Ke3+– Rd8 (38...Rb8 39.Kd2+–) 39.Rc2 Rb8 40.Nc5 a5 41.Na4 (41.Nd4 h6+–) 41...Bg7 42.Nec3 Rb3 43.Kd3 Rb4 44.Nc5 Rd4 45.Ke3 Rc4 46.N5a4 Rb4 (46...Kf7 47.g3+–) 47.Ra2 Rb3 48.Kd3 Kf7 49.Kc2 Rb4 (49...Rb8 50.Nc5 Ra8 51.g3+–) 50.Nc5 Rc4 51.N5e4 Be5 52.Ra5 Bg7 (52...Bc3 53.Nc3 Ke6+–) 53.Nd6 (53.Nd6 Ke6 54.Nc4+–) 1–0. Darkseid (1820) – routermeister (2070), ChessWorld.net, 2014.

5.Nf3 e6 (5...Na6 6.e3=+) 6.Bf6 (6.a3 Qa5=) 6...gf6=+ 7.e3 d6 8.a3 Qb6 9.Qc3 e5 10.d4 Bg7 11.Bd3 (11.Nbd2=+) 11...Bg4 (11...f5 12.de5 Nd7 13.Nbd2 Ne5 14.Kd1–+) 12.Nh4? (12.Nbd2 Nd7=) 12...Nd7 (better 12...f5 13.0-0 ed4 14.ed4 Bd4 15.Qe1 Kd8–/+) 13.Bf5= Bf5 (13...Bh5 14.Nd2=) 14.Nf5+= Bf8 15.d5 (better 15.Nd2!?=) 15...cd5=+ 16.cd5 Nc5 (16...Qb5 17.Nd2 Qd5 18.Rc1–/+) 17.Nd2 Rc8 (17...Qa6 18.Qc4=) 18.Qc4 (18.0-0 Qa6+=) 18...Be7 (18...Qa5 19.Rd1=) 19.e4 Qa6 20.0-0? (better 20.Qa6 Na6 21.Rb1=) 20...Qc4–/+ 21.Nc4 Ne4 22.Rac1 Kd7 23.Ne7 (23.Rfe1!? Nc5 24.Rb1–+) 23...Ke7 24.Ne3 Nc3 25.Rc2 Nb5?? (better 25...Rc5–+) 26.Nf5 (26.Rb2 Nd4 27.Rb7 Kf8 28.Ra7 Kg7=) 26...Kd7=+ 27.Rc8?? (better 27.Rb2 Rc5 28.a4=+) 27...Rc8–+ (27...Kc8?! 28.a4 Nc7 29.Nd6 Kd7 30.Ne4–/+) 28.a4 (28.f4 Nc3 29.fe5 fe5–+) 28...Nc3 29.Ne3 Na4 0–1. Darkseid (1770) – Bull_Dog_Baz (1840), ChessWorld.net, 2009.

4.Qc1 d5 5.a3 Qb6 6.Nf3 Nd7 7.Be2 Ngf6 8.0-0 g6 9.c4 Bg7 10.cd5 cd5 11.Nc3 0-0 12.Rb1 Qd8 13.d3 a6 14.Nd4 e5 15.Nf3 e4 (15...b5 16.d4 e4 17.Ne5-/+) 16.de4 de4 (worse 16...Ne4 17.Nd5 b5 18.Bg7 Kg7 19.Rd1+/-) 17.Nd4 Ne5 (17...Qe7 18.Qc2=+) 18.Rd1 (18.Qc2 Bf5=) 18...Qe7 19.a4 Bg4 (19...Rd8 20.Qc2 Ned7 21.Rd2=+) 20.h3 (better 20.Ba3!? Qc7 21.Bf8 Kf8 22.Qb2+/-) 20...Be2= 21.Nce2 (better 21.Ba3!? Qc7 22.Nce2 Qc1 23.Rdc1= (worse 23.Rbc1 Rfc8-/+)) 21...Rac8 22.Qd2 Nh5 (22...Nc4 23.Qc3 b6-/+) 23.Ng3? (better 23.Bc3!? Rfd8 24.Ba5-/+) 23...Ng3 24.fg3 Qg5 25.Kh2 (25.Ba1 Qg3 26.Qf2 Qf2 27.Kf2 Nd3 28.Ke2 Rc7-+) 25...Nd3 (25...Nc4 26.Qe1-+) 26.Ba1 (26.Nf3 Qe7 27.Bg7 Kg7-/+) 26...Be5 (26...Rfd8 27.g4 Rc7 28.a5-+) 27.Ne2 Bb8 (27...Ba1!? 28.Ra1 Rfd8 29.Nf4-+) 28.Nf4 (28.Rb7 Rc4-/+) 28...h5 (better 28...Rcd8-/+) 29.Qe2? (better 29.Rb7 Rcd8 30.Bd4=) 29...h4-+ (29...Bf4?! 30.gf4 Qd5 31.Rb6-/+; 29...Nf4?! 30.gf4 Qe7 31.Qb2+=) 30.g4?? (better 30.gh4 Nf4 31.ef4 Qf4 32.Kg1 Qh2 33.Kf2-+) 30...Nf4 31.ef4 Qf4 (31...Bf4?! 32.Kh1 Qe7 33.Qf2-+) 32.Kh1 (32.Kg1 Qh2 33.Kf2-+) 32…Qh2 0-1. brucepeng (2045) - skeda (2040), lichess.org, 2020.

4.c3?? Qb2–+ 5.Qb3 (5.Na3 Qa3 6.Nf3 Nf6–+) 5...Qa1 6.Ne2 (6.Nf3 a5–+) 6...d5 7.Nd4 e5 (better is 7...a5 8.Qc2 a4 9.Nf3–+) 8.Nf5 (8.Nc2 Qb1 9.Qb1–+) 8...Bf5 9.e4 Be4 10.Ke2 Qb1 11.g4 Qb3 (11...Bf3! 12.Kf3 Qe4 13.Kg3 Qf4 14.Kh3 Qf3 15.Kh4 Be7 16.g5 h6 17.Qd5 hg5) 12.ab3–+ Bh1 13.f3 Bc5 14.b4 Bg1 (better is 14...a5 15.ba5 Ra5 16.h4–+) 15.Ke1 Bh2 (better is 15...a5!? 16.Kd1 Bf3 17.Kc2 ab4 18.Kb2–+) 16.Kf2 g5 (better is 16...Bf4 17.Be2 a5 18.ba5 Ra5 19.d4–+) 17.Bg2 Bg2 18.Kg2 Bf4 19.d4 h5 20.de5 a5 (20...hg4 21.b5 Rh2 22.Kg1 g3 23.Kf1 g2 24.Kf2 Be3 25.Ke3 g1Q 26.Kd3 Qd1 27.Ke3 Qd2) 21.Kh3 h4 (21...hg4 22.Kg2 Rh2 23.Kf1 ab4 24.fg4 Ra1) 22.Kg2 (22.ba5 Ra5 23.Kg2 h3 24.Kf2 h2 25.Ke1 Ra2 26.Kf1 h1Q) 22...ab4 (22...h3 23.Kg1 h2 24.Kh1 ab4 25.cb4 Ra1 26.Kg2 h1Q 27.Kf2 Rh2) 23.cb4 (23.Kf1 Ra1 24.Kf2 Ra2 25.Kg1 h3 26.c4 h2 27.Kh1 Ra1 28.Kg2 h1Q 29.Kf2 Rh2) 23...Ra2 (24.Kg1 h3 25.e6 h2 26.Kh1 Ra1 27.Kg2 h1Q 28.Kf2 Rh2; 23...h3 24.Kf1 h2 25.Ke2 Ra2 26.Kd3 h1Q 27.Kc3 Be5 28.Kd3 Qf3) 0–1. Toddo – _Dora_, ChessWorld.net, 2002.

4.Bc3 Qb6 5.Nf3 Nf6 6.d4 d5 7.Nbd2 Bf5 8.Nb3 (better 8.Rb1 Qc7 9.Bb4-/+) 8...Nbd7?? (better 8...e6-/+) 9.Ba5+- e6 10.Bb6 ab6 11.Bd3 Ne4 (11...Bb4 12.Nbd2+-) 12.0-0 Bd6 (12...Bb4 13.Nh4 Nc3 14.Qd2 Bd3 15.cd3+-) 13.c4 0-0 14.cd5 ed5 15.Qc2 Ndf6 16.Nfd2 (16.Ne5 c5 17.f3 c4 18.fe4 cd3 19.Qd3 Be4+-) 16...Rfe8 17.Rfe1 Bg6 18.f3 Nd2 19.Bg6 (19.Qd2!? Ra4 20.Re2 Bd3 21.Qd3 c5+-) 19...Nf3 (19...Nb3 20.Bf7! Kf7 21.Qb3 b5+-) 20.gf3 hg6 21.Kf2 (21.e4!? Bb4 22.Re2 g5+-) 21...Bh2 22.Rh1 Bd6 23.Nc1 (23.Rh3 Ra3+-) 23...Re6 24.Nd3 Rae8 25.Rae1 Kf8 (25...g5 26.Qb3 b5 27.Rhg1+-) 26.Qb3 (26.Rh8 Ke7 27.Re8 Ke8+-) 26...b5 (26...Nh5 27.Rh3 b5 28.Qc2+-) 27.Nc5 Bc5 28.dc5 Kg8 29.a4 ba4 30.Qa4 R6e7 (30...g5 31.Rh2 g6 32.Qd4+-) 31.Qb3 (31.Qh4 Nh5+-) 31...Nh5 (31...Nd7 32.Qb4+-) 32.Rh3 (32.e4 de4 33.Re4 Re4 34.fe4 Re4 35.Qb7 Re6+-) 32...Nf6 (32...d4 33.e4+-) 33.Reh1 Nh5 34.f4 f5 35.Kf3 (35.Qb4 Kf7+-) 35...Kf7 36.Kf2 (better 36.Rg1!? Nf6+-) 36...Nf6?? (36...Kg8 37.Qb4 Kf7+-) 37.Rg3?? (better 37.Kg2+-) 37...Ne4-+ 38.Kf3?? (38.Kg2 Ng3 39.Ra1 g5-+) 38...Ng3 (better 38...Nd2 39.Kf2 Nb3-+) 39.Kg3? (39.Rg1 Ne4 40.Qb4-+) 39...Re3 40.Qe3 Re3 41.Kf2 Rb3 42.Re1 (42.Rh8 g5! 43.Rh5 Rb4 44.fg5 Rc4-+) 42...Rb5 43.Re5 (43.Rc1 Kf6-+) 43...Rc5 44.Kf3 (44.Re3 Rb5-+) 44...Rc4 (better 44...Rc3!? 45.Kg2 Rc4 46.Re3 Rf4 47.Re2-+) 45.Re1 Re4 46.Rc1 (46.Rb1 Re7 47.Rg1-+) 46...Rf4! 47.Kf4 Kf6 48.Kg3 g5 49.Kf2 1-0. ClayPigeons (2175) - Barbaricum (2045), Rated Bullet game, lichess.org, 2020.

4.Bd4 d5 5.c3 Qd6 6.c4 (6.Nf3!?=+) 6...dc4 7.Bc4 e5 8.Bb2 Be6 9.Be6 Qe6 (9...fe6 10.Qh5 g6 11.Qe5 Qe5 12.Be5+–) 10.d4 Qd5 11.Nf3 e4 12.Nfd2 Bb4 (12...Nf6 13.Nc3 Qe6 14.Qb3 Qb3 15.ab3–/+) 13.0-0 (better is 13.Qg4!? Ne7 14.Nc3=) 13...Nf6–/+ 14.a3 Ba5 15.Bc3 Nbd7 (15...Bc7 16.Bb4–/+) 16.Ba5 Qa5 17.Nc4 (better is 17.Qc2=) 17...Qd5–/+ 18.Qc2 0-0 19.Nbd2 Rfe8 (19...b5 20.Ne5 Ne5 21.de5 Qe5 22.Qc6–+) 20.a4 a5 (20...Rad8 21.Rfc1–/+) 21.Qb3 b5 22.ab5 cb5 (better is 22...a4!? 23.Ra4 Ra4 24.Qa4 cb5–+) 23.Na5=+ Qb3 24.Nab3 Nb6 (24...Ra4 25.Rfd1=+) 25.Ra8= Ra8 26.f3 ef3=+ 27.Rf3 Nc4 28.e4 Ra2 29.Nc4 bc4 30.Nc5 Rc2 31.d5 Kf8 32.d6 Ke8?? 33.e5?? Nd7?? 34.Nd7+/– Kd7 35.Rf7 Ke6 36.Re7 Kf5 37.d7 Rd2 38.e6?? c3= 39.d8Q Rd8=+ 40.Rc7 Ke6 41.Rc3 h5 42.Rf3 Rd1 43.Kf2 Rd2 44.Kg1 g5=+ 45.h3 Ke5 46.Kh2 g4 47.hg4 hg4 48.Rc3 Kf4 49.Rc4 Kg5 ½–½. Charlemagne – Istvanny (1620), internet, 2007.

4.Be5 d6 5.Bc3 Qb6 6.Na3 Be6 7.Rb1 Qc7 8.Bc4 d5 9.Bb3 Nd7 10.Nf3 Ngf6 11.0-0 (11.Bb2–/+) 11...g6 (11...Bg4 12.Bb2–+) 12.Re1 (12.e4 de4 13.Be6 fe6=+) 12...Bg7 (12...a5!? 13.Ba4 Bf5–+) 13.e4=+ 0-0 14.e5 (better 14.ed5!? cd5 15.Nb5=+) 14...Ne4–/+ 15.Ba1 a6 (15...Bg4 16.d4–+) 16.d3 Nec5 17.c4 Nb3 18.ab3 dc4 19.bc4 b5 20.Qc1 Rfc8 21.c5 Bd5 22.d4 Bf3 23.gf3 e6 24.Nc2 a5 25.Qg5 b4 26.h4 Qd8 27.Kh2 (27.Qg4 Rcb8–+) 27...Qg5 28.hg5 Nb8 29.f4 Na6 30.Kg3 Nc7 31.Rh1 Nd5 32.Rh3 Rcb8 33.Rbh1 (better 33.Ne3–+) 33...b3 34.Ne3 Ne3 35.fe3 b2 36.Bb2 Rb2 37.Rh7 a4 38.R7h2 a3 (38...Rb4 39.Kf3–+) 39.Ra1 (39.Rb2 ab2 40.Rb1–+) 39...Rh2 40.Kh2 Kf8 41.Kg2 Ke8 42.Kf3 (42.Ra2 Kd7–/+) 42...Kd7 (42...a2 43.Ke2–+) 43.Ke2 Bf8 (43...a2 44.Kd3 Ra3 45.Kc4–+) 44.Kd3? (44.Ra2 Be7=+) 44...Be7 (44...a2 45.Kc3 Ra3 46.Kb4 Re3 47.Ra2–+) 45.Kc3 (better 45.Ra2!?–/+) 45...Bd8 46.Kb3 Kc8 (46...a2 47.Kc4–+) 47.Ka2? (47.Ra2 Bc7–/+) 47...Kb7 (better 47...Ba5 48.Rd1 Bc3–+) 48.Rh1 Ba5 49.Rh7 Bd2 50.Rf7 Ka6 51.Rf6 (51.Ka3!? Be3 52.Kb3 Bd4 53.Kc4–/+) 51...Be3 52.Re6 (52.Re6 Kb5 53.Rg6 Bf4 54.e6–+). Aureliobar (1725) – Hurzzz (1700), lichess.org, 2018.

5.a3 Qb6 6.Nf3 g6 7.Be2 Bg7 8.0-0 0-0 9.c3 d6 10.d4 Nbd7 11.Nbd2 e5 12.de5 Ne5 13.Ne5 de5 14.a4 Bf5 Black prepares the advance e4 15.Nc4 Qc7 16.Rd1 e4 (16...Rfd8!?-/+) 17.Nd6 Bg4 (17...Rad8 18.Nf5 gf5 19.Qc2=+) 18.Bg4=+ Ng4 19.h3 (19.c4 Rfd8 20.c5 Bb2 21.Qb2 b6=+) 19...Rad8 (19...Rfd8 20.Ba3 Bf8 21.hg4 Bd6 22.Bd6 Rd6 23.Rd4-/+) 20.hg4 (20.Ba3!? Nf6 21.Qb1-/+) 20...Rd6 21.Rd6 Qd6 22.c4 Bb2 23.Qb2 b6 24.Qb3 (24.Qd4 Qd4 25.ed4 Rd8-/+) 24...Qd3 25.Qb4 Rd8 (25...c5 26.Qb5-/+) 26.Qe7 Rd7 27.Qe8 Kg7 28.Qe5 f6 29.Qe6 c5 30.a5 Rd6 (better 30...Rf7!?=+) 31.Qe7+= Kh6 32.ab6 ab6 33.Qf8 (33.Kh2!? Rd7 34.Qf6 Qd6 35.Qd6 Rd6 36.Kg3=) 33...Kg5-/+ 34.g3 Qe2?? (better 34...Rd7-/+) 35.Kg2 (better 35.Qd6 Qf3 36.Ra6 Qg4 37.Rb6+-) 35...Qf3 (35...Rd2!? 36.Rf1 Qe3 37.Kg1-+) 36.Kg1 Rd1 (36...Rd2 37.Rf1-+) 37.Rd1 Qd1 38.Kg2 Qf3 39.Kf1? (39.Kg1 h6-+ (39...Kg4?! 40.Qh6=+)) 39...Kg4?? (better 39...Qh1 40.Ke2 Qc1-+ (40...Kg4?! 41.Qf6 Qf3 42.Qf3 ef3 43.Kd2-+)) 40.Qh6-/+ f5?? (better 40...Kf5-/+) 41.Qh4 1-0. brucepeng (1990) - kasparovgenoa (2060), lichess.org, 2021.

5.Nf3 d5 6.a3 Qb6 7.Be2 Bf5 8.0-0 Nbd7 9.d3 Qc7 10.Nbd2 (10.c4 dc4 11.Qc4 e5-/+) 10...e6 (10...e5-/+) 11.e4 (11.c4 Bd6-/+) 11...Bg6 (11...de4!? 12.de4 Ne4 13.Rd1-+) 12.ed5 cd5 13.c4 Rc8 14.Qd1 dc4 15.Nc4 Be7 16.Rc1 Qd8 (16...Qb8 17.Nce5 Rc1 18.Qc1 Ne5 19.Be5=+) 17.Nce5 Ne5 18.Rc8?? (18.Ne5 Rc1 19.Qc1 Bd6=+) 18...Qc8?? (better 18...Nf3 19.Bf3 Qc8 20.Qa4 Qd7 21.Qa7 0-0-+ (21...Bd3?! 22.Rd1-/+; 21...Qd3 22.Rd1 Qd1 23.Bd1+/-)) 19.Be5 (19.Ne5 0-0=+) 19...0-0 20.d4 (20.Nh4!?-/+) 20...Nd5 21.Qd2 (21.Bd3!?-/+) 21...Ba3-+ 22.h3 (22.Bd3 Bb4 23.Qe2 Bd3 24.Qd3 f6-+) 22...Bb4 23.Qb2 a5 (better 23...Qc2 24.Qc2 Bc2-+) 24.Ng5?? (24.Rc1 Qd8 25.Bc4-+) 24...Qc3 (better 24...f6 25.Rc1 Qe8 26.Nh7 Kh7 27.Bg3-+) 25.Qa2 b6 26.Bf3 Rd8 27.Ne4 Be4 28.Be4 f6 29.Bg3 Qd4 30.Bf3 Kf7 (30...b5 31.Qe2 Qb6 32.Rd1-+) 31.Qc2 g6 32.Rd1 Qc5 33.Qe2 (33.Qe4 b5-+) 33...a4 (better 33...Nc3 34.Rd8 Ne2 35.Be2 Qc1 36.Rd1-+) 34.Bd5 (34.Qe4 b5-+) 34...Rd5 35.Rb1 a3 (35...b5 36.Bf4-+) 36.Qe4 (36.Bf4 b5 37.Rc1 Bc3-+) 36...a2 (better 36...Bc3 37.Qe2 Rd2-+) 37.Qb4 (37.Ra1 Rd2 38.Qb7 Qe7-+) 37...ab1Q (better 37...Qb4 38.Rb4 a1Q 39.Kh2 Rd1-+) 38.Qb1 Qd4 39.Kh2 b5 40.Qc2 b4 41.Qc7 Rd7 42.Qc2 Qd5 43.Bf4 (43.Qc8 Kg7 44.Bf4 b3-+) 43...b3 44.Qb2 (44.Qc1 Qd4 45.Be3 b2-+) 44...e5 (better 44...Qd4 45.Qd4 Rd4 46.Bc1-+) 45.Bc1 Rc7 46.Be3 (46.Qa3 Kg7 47.Bb2 Rc2-+) 46...Rc2 (better 46...Qd1 47.f3-+) 47.Qa3 b2 48.Qa7 Ke6 (48...Kf8 49.Bh6 Ke8 50.Qa4 Qc6 51.Qb4-+) 49.Qb6 (49.Qb8 Kd7-+) 49...Ke7 (better 49...Kd7 50.Qb8 Qa2 51.Qb7 Ke6 52.Qb6 Kf5-+) 50.Qb7 (50.Qa7 Kf8 51.Bh6 Ke8 52.Qa4 Qc6 53.Qb4-+) 50...Qb7 51.Bh6 (51.Bd2 Rd2 52.Kg3 Qb6 53.Kh2 Qf2 54.h4 Qg2) 51...b1Q (51...Rf2 52.Bf8 Kf8 53.Kg3 Qg2 54.Kh4 Qg5) 52.g3 (52.Bc1 Rf2 53.Ba3 Ke6 54.Kg3 Qg2 55.Kh4 Qbe4) 52…Rf2 0-1. brucepeng (1710) - Margulis (2065), lichess.org, 2019.