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TESTJ400 Release 2024-10-01
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0

Table of contents:

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5.a3 c6 6.Qc2 d5 7.e3 Bf5 8.Qc3 Re8 9.Bd3 Nh5 10.Nd4 (10.Ne5!? Nd7 11.f4=) 10...Bd3-/+ 11.Qd3 e5 12.Ne2 e4 13.Qc2 Bb2 14.Qb2 dc4 15.0-0 Nd7 16.Ng3 (16.Qc2 Nb6-/+) 16...Nhf6 (16...Ng3!? 17.fg3 Ne5–+) 17.Nc3-/+ Re6 18.Nce2 Ne5 19.b5 (19.Nd4 Re8-/+) 19...c5 (19...Nd3!? 20.Qb1–+) 20.a4 Qd6 21.Nf4 Nd3 22.Nd3 cd3 23.a5 Rc8 24.f4 ef3! 25.Rf3 Ne8 26.Raf1 Rc7 27.h4 Qe5 28.Qa3 c4 29.b6 ab6 30.ab6 Rb6 31.Rf4 Ra6 32.Qb4 Qa5 33.Qb2 c3 34.Qb3? Qa2 35.Qb5 Nd6 36.Qg5 Ra8 37.Nh5 Qa5?? 38.Nf6= Kg7 39.Nd5 Rd7?? 40.Qe5+– Kh6 41.h5?? Nf5?? 42.e4?? c2–+ 43.Rf5 Qc5?? 44.Kh1?? c1Q–+ 45.Qf4 Kg7 46.h6 Kg8 47.Nf6 Kh8 48.Rc5 Qc5 49.Nd7 Qe7 50.Qf7 Qf7 51.Rf7 Kg8 52.Rg7 Kh8 53.Nf6 Ra1 54.Kh2 Ra8 55.Rh7# 1–0. Bloise,Frank – Robinson,Dar (1910), US Amateur Team–ch East, Parsipanny USA, 2009.

5.a4 a5 6.b5 d6 7.e3 e5 8.d4 ed4 9.Nd4 Nbd7 10.Nd2 Nc5 11.N2b3 Nfd7 12.Be2 Re8 13.0-0 Nb3 14.Qb3 Nc5 15.Qc2 Qg5 16.Rfd1 Bg4 17.Bg4 Qg4 18.h3 Qd7 19.Nf3 Bb2 20.Qb2 Qe7 21.Qc2 Qf6 22.Rab1 b6 23.Rd5 Re7 24.Rbd1 Rae8 25.Nd4 Re5 26.Nc6 Rd5 27.Rd5 (27.cd5!? Qf5 28.Qa2=) 27...Kg7 (27...Qa1 28.Rd1 Qa4 29.Qe2-/+) 28.Qd1 Ne4 29.Qc2 h5 (29...Qc3!? 30.Qb1 Nc5=+) 30.Rd4+= Nc5 31.Rf4 (31.Qa2 Kg8=) 31...Qa1= 32.Kh2 Re6 (32...Qa4 33.Qc3 Re5 34.Ne5+-) 33.Nd8 Rf6 34.Rf6 Qf6 35.Nc6 Qa1 36.Qd2 Na4 37.Qd5 (37.Qe2 Qc3-/+) 37...Qf6 (37...Qc3-/+) 38.Qe4? (better 38.Qd1!? Nc5 39.Qc2-/+) 38...Qf2-+ 39.Qe8?? (39.Qd4 Qf6 40.Qd1 Nc5-+) 39...Nc5 (39...Nc3 40.Ne7 Ne2 41.Qg8 Kf6 42.Nd5 Kg5 43.Qd8 f6 44.Qf6 Qf6 45.Nf6 Kf6 46.g4-+) 40.Ne7 Kf6?? (better 40...Ne4 41.Qg8 Kh6 42.Qf8 Kg5-+) 41.Nd5=+ Kg7 42.Ne7 Kf6?? (better 42...Ne4 43.Qg8 Kh6 44.Qf8 Kg5-+) 43.Nd5=+ Kg7 (43...Kg5 44.Nc7 a4 45.Qf8 Qe3 46.Qf7 Qe5 47.Kg1 Qe1 48.Kh2-+) 44.Nc7 (44.Ne7 Ne4 45.Qg8 Kh6 46.Qf8 Kg5 47.Qd8-+) 44...Qf6 45.Qc6 (45.Nd5!? Qe5 46.Qe5 de5 47.Nb6=+) 45...Qe5-/+ 46.Kh1 Qe3 (46...Ne4 47.Kg1 h4-+) 47.Nd5? (47.Qb6!? Qc1 48.Kh2 Qf4 49.Kg1-/+) 47...Qe1 (47...Qc1 48.Kh2 Qc4 49.Nb6 Qf4 50.Kh1-+) 48.Kh2 Qe5 49.Kg1 Ne4 (better 49...a4 50.Qb6 a3-+) 50.Ne3?? (better 50.Qb6 Nd2 51.Qe3 Qa1 52.Kf2 Nc4 53.Qc3 Qc3 54.Nc3-+) 50...Qd4 51.Kh2 Qd3 (51...Qe3 52.h4 a4-+) 52.Nf1 (52.Qb6 a4 53.Nd5 Qc4 54.Qc6-+) 52...Qd4 (52...Qf1?! 53.Qe4 Qf2 54.Qd3-+) 53.Qd5?? (53.Ne3 Qe3 54.Qc7 Qg3 55.Kg1 Qf2 56.Kh1 Ng3 57.Kh2 Ne2 58.Qb6 Qb6 59.c5 Qc5 60.h4 Qg1 61.Kh3 Qh1) 53...Qe5 (better 53...Qd5!? 54.cd5 a4 55.Ne3-+) 54.Qe5 de5 55.Ne3 Nc5 56.Nd5 (56.g3 a4 57.Nc2 f5-+) 56...a4 57.Nb6 (57.Nc3-+) 57...a3 58.Nd5 a2 59.Nb4 a1Q 60.b6 Qd4 61.Nd5 Qf4! 62.Nf4 ef4 63.b7 (63.Kg1-+) 63...Nb7 64.g3 (64.Kg1 Kf6-+) 64...Nc5 (better 64...fg3 65.Kg3 Nd6 66.Kf3 Nc4 67.Kf4-+) 65.gf4 Kf6 66.f5 (66.Kg2 Kf5 67.Kf3 h4-+) 66...Kf5 67.Kg3 Ne6 68.Kg2 (68.Kf2 h4 69.Kg1 Ng5-+) 68...Nd4 (68...Nf4 69.Kf3 Nh3 70.c5-+) 69.h4 (69.Kf1 Ke4-+) 69...Nc6 70.Kf3 (70.Kg3 Ke4 71.Kf2 Ne5-+) 70...Ne5 71.Ke3 Nc4 72.Kd4 Nd6 73.Kd5 Ne4 74.Kc6 Kg4 75.Kd7 Kh4 76.Ke7 g5 77.Kf7 g4 78.Kg6 g3 79.Kg7 g2 80.Kh7 (80.Kf8 g1Q 81.Kf7 Qc5 82.Ke6 Qd6 83.Kf7 Qd7 84.Kg6 Qe7 85.Kf5 Nd6 86.Kg6 Qf7 87.Kh6 Nf5) 80...g1Q 81.Kh6 (81.Kh8 Qa7 82.Kg8 Ng5 83.Kf8 Qf7) 81...Qg4 82.Kh7 Kg3 (82...Nf6 83.Kh6 Qg5) 83.Kh8 h4 (83...Qd7 84.Kg8 Ng5 85.Kf8 Qf7) 84.Kh7 h3 85.Kh6 h2 86.Kh7 h1Q 0-1. splendidkid (2845) - Banelevich (2730), Rated bullet game, lichess.org, 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0)

5.a4 b6 6.e3 Bb7 7.Be2 c5 8.bc5 bc5 9.0-0 Na6 10.Qc2 (10.Nc3 Rb8 11.Nb5 Nc7=) 10...Nb4 11.Qb3 Nh5 (11...Rb8 12.d4+=) 12.Ne5 (12.Bg7 Ng7 13.d4 Rb8+=) 12...d6 13.Bh5 (13.Nd3!? Be4 14.Nb4=) 13...de5+= (worse is 13...gh5 14.Nd3 Bb2 15.Nb2=) 14.Be2 Rb8 15.Qc3 Qd6 (15...Be4 16.Ra3-/+) 16.Rd1 Qf6 17.f4 (17.d3 Qg5 18.e4 Nc6+=) 17...ef4 18.Qf6 Bf6 19.Bf6 ef6 20.ef4 Nc2 21.Ra2 Nd4 22.Bf1 Be4 (22...Ne6 23.Nc3+=) 23.Nc3= Bc2 24.Rc1 Bb3 25.Rb2 a5 26.Nb5 Nb5?? (26...Ba4 27.Ra1 Bb5 28.cb5 Ra8=) 27.Rb3?? (better is 27.cb5 Ba4 28.Ra1 (28.Rc5?! Bd1+/–) 28...Bb5 29.Bb5+–) 27...Nd4-/+ 28.Ra3 Nb3 29.Rd1 Rfd8 30.d3 Rd4?? 31.g3?? h6?? 32.Bg2 Rb4 33.Ra2 Kf8 34.Re2 Kg7 35.Bd5= Ra4 36.Re7 Ra1 37.Rf7+– Kh8 38.Ra1 Na1 39.Rf6 Rd3 40.Rg6 Nc2 41.Rh6 Kg7 42.Ra6 Nb4 43.Ra5 Nd5 44.cd5 Rd5 45.Kf1 Kf6 46.Ke2 Kf5 47.Ke3 Ke6 48.Ke4 Rh5 49.g4 Rh2 50.Rc5 Re2 51.Kf3 Ra2 52.Re5 Kf6 53.g5 Kg6 54.Ke4 Ra4 55.Kf3 Ra3?? 56.Kg4+– Ra4 57.Re6 Kf7 58.Kf5 Ra5?? 59.Re5+– Ra6 60.Rb5 Rc6 61.Rb7 Kf8 62.g6 Rc5 63.Kg4 Rc6 64.Kg5 Rc5 65.Kh6 Rc8 66.Kh7 (66.Kh7 Rc7 67.Rc7 Ke8 68.g7 Kd8 69.Ra7 Ke8 70.g8Q#) 1–0. Feiertag,Manfred (1770) – Neumann,Frank (1650), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

5.b5 b6 6.e3 Bb7 7.Be2 c6 8.a4 cb5 9.ab5 a6 10.0-0 ab5 11.Ra8 Ba8 12.cb5 d5 13.d4 Qd6 14.Qa4 Bb7?? (better 14...Nbd7+–) 15.Qa7+– Qc7 (15...Bc6 16.bc6 Nc6 17.Qa4+–) 16.Rc1 Qd7 (16...Qd8 17.Qb7 Nbd7 18.Nbd2+–) 17.Ne5 Qb5 (17...Qe6 18.Qb7 Ne4+–) 18.Bb5 (18.Bb5 Ne4 19.Qb7+–; 18.Qb7 Qb2 19.Re1 e6=) 1–0. GuestPQBY – AJEDREZZZZ, freechess.org, 2019.

5.b5 c6 6.a4 (6.Nc3 d6+=) 6...a5 (6...d5!?-/+) 7.e3= b6 (7...cb5 8.ab5 d6 9.d4=) 8.d4 cb5 9.ab5 d5 10.Nbd2 (10.Nc3 Be6+=) 10...Be6 (10...Nbd7 11.Bd3+=) 11.Qc2 (11.c5 Ne4 12.c6 Bf6+–) 11...Qc7 (11...Nbd7 12.Be2=) 12.Ne5 (12.Bd3 Nbd7=) 12...dc4 (12...Rc8 13.Be2=) 13.Bc4 Bc4 (13...Nd5 14.Qb3 a4 15.Ra4 Ra4 16.Qa4 (worse is 16.Bd5 Bd5 17.Qa4 Bg2+=) 16...Be5 17.de5+/–) 14.Ndc4 Nd5 15.0-0 Be5 16.de5 Rc8 (16...Nd7!?+=) 17.Rac1+/– Nb4? (17...Qd7 18.Qe4 Qe6 19.Rfd1+–) 18.Qb1 (18.Qb3 Nd7 19.Nd6 ed6 20.Rc7 Rc7+–) 18...Nd7 (better is 18...Qb7 19.e6 fe6 20.Nb6 Rc1 21.Rc1 Qb6+–) 19.e6?? (better is 19.Nd6! Nc5 20.Nc8 Rc8 21.Rfd1+–) 19...fe6+/– 20.Ne5 (20.Qe4 Nc5 21.Qd4 e5 22.Ne5 Qd6+=) 20...Qb7+= 21.Qa1 (better is 21.Ng6!? Nf6 22.Bf6 ef6 23.Nf4+=) 21...Nf6 (21...Ne5 22.Be5 Qd5 23.Bh8-/+) 22.Rc8 (22.Qa4 Ne4+=) 22...Rc8-/+ (worse is 22...Qc8 23.Nc6 Nc6 24.Rc1=) 23.Nc6 (better is 23.Rc1!?-/+) 23...Nc6–+ 24.Bf6 ef6 25.bc6 Qe7 (better is 25...Qc6!? 26.Qf6 b5–+) 26.Rc1+= e5 27.Qa2 Kg7 28.Qc4 Qd6 29.c7 (29.g3!?+=) 29...Qd7 30.Qc6 Qc6 31.Rc6 a4 32.Rb6 (32.Kf1!?-/+) 32...Rc7–+ 33.Ra6?? (better is 33.h4 Ra7 34.Rb2–+) 33...Rc1 0–1. matamuff (1605) – alanmck64 (1625), gameknot.com, 2017. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0)

5.Nc3 Nc6 6.b5 Na5 7.Qa4 b6 8.d4 d6 9.e4 Bd7 10.Bd3 c6 11.Rc1 Nh5 12.Qd1 Nf4 13.Bf1 Bh6 14.Rc2 Be6 15.d5 cd5 16.Nd5 Rc8 17.Bc1 Bd5 18.ed5 e5 19.g3 Re8 20.gf4 ef4 21.Be2 Nc4 22.0-0 Ne5 23.Rc8 Qc8 24.Ne5 Re5 25.Bf3 Qc5 26.Qb3 a5 27.ba6 Re8 28.Bb2 Qa5 29.Qc3 Qc3 30.Bc3 g5 31.Rb1 f5 32.Rb6 Bf8 33.Bh5 Rc8 34.a7 Ra8 35.Rb7 Rc8 36.Bf7 1–0. Ruediger – Cosmonauta, playchess.de, 2001.

5.Nc3 Re8 6.d4 d6 7.e3 Bg4 8.Be2 (8.h3 Bd7=) 8...a5 (8...c5 9.bc5 dc5 10.0-0=) 9.b5 b6 (9...Nbd7 10.0-0=) 10.0-0+= c5 11.dc5 bc5 (11...dc5 12.Ne5 Be2 13.Qe2+=) 12.Nd2 (12.Rb1 Bf5 13.Bd3 Bd3 14.Qd3 Qb6+/–) 12...Be2= 13.Qe2 a4 (13...Nbd7+=) 14.Nd5 (14.Rab1+=) 14...a3 (14...Nd5 15.Bg7 Ne3 16.fe3 Kg7+/–) 15.Bf6+/– ef6 (15...Bf6 16.Nf6 ef6 17.Qd3+–) 16.b6 (16.Rab1 f5+–) 16...Ra6 (16...Nd7 17.Rab1 Rb8 18.b7+–) 17.Rab1+– Nc6 (17...Nd7 18.b7+–) 18.Nc7 Rb6 19.Ne8 (19...Rb1 20.Nb1 Qe8 21.Na3+–) 1–0. Mario Cruz (1830) – the yid, internet, 2005.

5.d3 a6 6.Nc3 d6 7.e3 c6 8.Be2 b5 9.0-0 Nbd7 10.cb5 cb5 (10...ab5 11.Qc2=) 11.Qd2 Bb7 12.Rac1 Nb6 13.Nd4 Qd7 14.Nb3 Rac8 15.e4 Ba8 16.Qe3 Rb8 17.Ba1 e5 18.Rc2 Qe7 19.a3 Qe6 20.Rb1 Rfc8 21.Rcc1 Nfd7 22.h3 f5 23.ef5 (23.Na5!?=) 23...gf5+= 24.Qg3 Kh8 25.Bf3 (25.Qh2+=) 25...d5?? (better is 25...Bh6!? 26.Ba8 Bc1 (26...Na8?! 27.Re1=; 26...Ra8?! 27.Re1+=) 27.Nc1 Ra8–+) 26.Re1 (26.Ne2 Qh6=) 26...Qh6 27.Nc5 f4 28.Qg4= Nc5 29.bc5 Rc5 30.d4 Rc3 31.Bc3 e4 32.Ba5 Nc4 33.Bc7 Rf8 34.Be2 Bd4 35.Bc4= dc4 36.Red1 Bg7?? 37.Rd6+– Bf6 38.Qf5 Qg7+= 39.Rf6?? Rf6–+ 40.Qc8?? Rf8 41.Bd8 Rg8 (41...Rg8 42.Qg4 Qg4 43.Bf6 Qg7 44.Bg7 Kg7–+) 0–1. Bencze,Laszlo (2280) – Kubacsny,Laszlo (2355), HUN–chT2, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

5.d4 b5 6.cb5 Bb7 7.e3 Ne4 8.Bd3 d6 (8...a6 9.ba6 Na6 10.Nc3 Nc3 11.Bc3+/-) 9.a4 Nd7 10.a5 (10.0-0 Rc8+/-) 10...Ndf6 11.Nbd2 Re8 (11...Nd2 12.Qd2 (12.Nd2?! Bg2 13.Rg1 Bh3+=) 12...Bf3 13.gf3+/-) 12.Ne4 (12.0-0 Rc8+/-) 12...Ne4 (12...Be4 13.0-0+/-) 13.Qc2+- Nf6 14.a6 (14.e4 Rc8+/-) 14...Bf3+/- 15.gf3 e5 (15...e6 16.Rc1+/-) 16.de5 de5 17.0-0-0 (17.Rd1 Qd6+/-) 17...Qe7 (17...Qc8+/-) 18.Bc4 (18.Qc5!?+/-) 18...Qb4+= 19.Qb3 Qc5? (better 19...Qb3 20.Bb3 Rab8+=) 20.Ba3+- Qb6 21.h4 (21.Bf7 Kh8 22.Be8 Ne8+-) 21...e4? (21...Reb8!?+=) 22.h5 (better 22.Bf7 Kh8 23.Be8 Re8 24.h5 Nh5 25.Rd7+-) 22...ef3? (better 22...Kh8 23.Bf7 Re5+/-) 23.hg6 Rf8 (23...Kh8 24.Bf7 h6 25.Be8 Re8+-) 24.Bf7 Kh8 25.Bf8 (25.Rh7 Nh7 26.Rh1 Bh6 27.Bb2 Qf6 28.Rh6 Rf7 29.Bf6 Rf6 30.Rh7) 25...Rf8 (25...Bf8 26.Rh7! Nh7 27.Rh1+-) 26.Rd7 (26.Rh7 Nh7 27.Rh1 Bh6 28.Rh6 Qc5 29.Kb2 Qe5 30.Ka2 Kg7 31.Rh7 Kf6+-) 26...Qc5 (26...h6 27.Qc3 Nh5 28.Qc6 Qc6 29.bc6+-) 27.Kb1 (better 27.Qc4!? Qa3 28.Kc2 h6+-) 27...Qf5? (27...h6 28.Qb2 Qf5 29.Ka2 Ng4+-) 28.Ka2 (better 28.Qd3 Qg5 29.Rc7+-) 28...Qd7-+ 29.Be6? (29.Qb2 Rb8 30.Qf6 Qd2 (30...Bf6?? 31.Rh7) 31.Ka3 Qa5 (31...Bf6 32.Rh7) 32.Kb3 Qb5 (32...Bf6 33.Rh7) 33.Kc2 h5-+ (33...Bf6 34.Rh7)) 29...Qd6 (better 29...Qd2 30.Qb2 Qa5 31.Kb1-+) 30.Rh7? (30.Bc4-+) 30...Nh7 31.Bf7 (31.gh7 Rd8 32.Bf5 Qd2 33.Bc2 Qa5 34.Qa3 Qb5-+) 31...Qe5 (31...Rd8 32.Qd5 Qf6 33.Qd4 Rd4 34.gh7 Rd3 35.b6 Qb2) 32.Ka3 1-0. mordor1 (2070) - glvk (2145), Rated Bullet game, lichess.org, 2014. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.Nf3)

5.d4 Nc6 6.b5 Na5 7.Qa4 b6 8.Nc3 Bb7 9.e3 Bf3 10.gf3 d5 11.cd5+= Nd5 12.Bd3 e6 13.h4 Qf6 14.Ke2 Rfd8 15.Rac1 Bh6 16.h5 Nc3 17.Bc3 e5?? 18.hg6 fg6 19.de5 Qe6 20.Rh6 Rd3 21.Kd3 Qf5 22.Ke2 Qg5 23.e6 Qh6 24.Qd4 (24.Qd4 Qe3 25.fe3 Kf8 26.Qd7 c5 27.Qf7#) 1–0. pierre – majwor, internet, 2010.

5.d4 Ne4 6.e3 b6 (6...d5 7.a4=) 7.Nc3 (7.Bd3 f5=) 7...Nc3= 8.Bc3 c5 9.a3 Bb7 10.Rc1 d6 Covers e5 11.Be2 Nd7 12.0-0 Rc8 13.Qb3 e5 14.bc5 ed4 15.ed4 Bf3 16.Bf3 (16.gf3 Inferior is 16...bc5 17.f4 cd4-/+) 16…bc5 ½–½. Reefschlaeger,Helmut (2355) – Kugelmann,Werner (2155), Bad Woerishofen op, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4)

5.e3 b5 6.cb5+/– Bb7 7.d4 d5 8.Nc3 Nbd7 9.a4 Re8 10.Qb3 e5 11.de5 Ne5 12.Ne5 Re5 13.Ne2 Ne4 14.f3 Nd6 15.Be5 Be5 16.0-0-0 Bg7 17.Nd4 (17.Rd5?! Bd5 18.Qd5 Qe8+=) 17...Qf6 18.Kb1 Re8 19.Rc1 Bc8 (better is 19...Bh6!? 20.Rc3 Be3 21.Re3 Qd4 22.Re8 Ne8+/–) 20.Rc7+– Nf5 21.Qc3 Nd4 22.ed4 Be6 23.Bd3 Qf4 24.g3 Qf3 25.Rf1 Qe3 26.Re1 Qf2 27.Re2 Qg1 28.Ka2 Qd1? 29.Ra7+– Rc8 30.Qd2 Qg1 31.Bb1 Bd4 32.Rb7?? Bc3-/+ 33.Qc2 Qd4 34.Re6 fe6 35.Rh7?? Qc4–+ 36.Qb3 Kh7 37.Ka3 Bb4 38.Qb4 Qc1 39.Ka2+= Qg5 40.Bd3 e5 41.b6 Qd8 42.b7 Rb8 43.a5 e4 44.Bb1 Qc7 45.a6= Qf7 46.Qd6 Qf2 47.Kb3 Qe3 48.Kb4 Qd4 49.Kb5+/– Rg8 50.Qe7 Kh8 51.Qc5 Qe5?? 52.a7 Qb2 53.Qb4 Qe2 54.Kc6 Qa6 55.Qb6 Qa4 56.Kd5 Qd7 57.Ke4 Qa4?? 58.Kf3 Qa3 59.Kg2 (59.Kg2 Rf8 60.Kh3+–) 1–0. Jonsson,Pall G – Ingvason,S (2015), ch–Nordic Senior, 2011.

5.e3 Nd5?? 6.Bg7+– Kg7 (6...Ne3 7.de3 Kg7 8.Bd3+–) 7.cd5 d6 8.Be2 e5 9.Nc3 Bf5 10.e4 Bg4 11.0-0 c5 (11...f5 12.d3+–) 12.bc5 dc5 (12...Bf3 13.Bf3 (< 13.gf3 Qg5 14.Kh1 dc5+–) 13...dc5 14.Be2+–) 13.Ne5 Bh3 (13...Be2 14.Qe2 Qd6 15.Nf3+–) 14.Nf3 (better is 14.gh3 Qg5 15.Ng4 Nd7+–) 14...Bg4 15.d4 a6 (15...Bf3 16.Bf3 (< 16.gf3 Qg5 17.Kh1 Qf6+–) 16...Qa5 17.Rc1+–) 16.dc5 Qa5 (16...Bf3 17.Bf3 Qf6 18.Qb3+–) 17.Qd4 Kg8 18.e5 Nd7 (18...Bf3 19.Bf3 Nd7 20.Ne4+–) 19.Ne4 (better is 19.Qg4 Ne5 20.Ne5 Qc3+–) 19...b6 (19...Rfe8 20.Rfb1 Rab8 21.Nd6 Bf3 22.Bf3 Qc5 23.Qc5 Nc5 24.Ne8 Re8 25.d6 Re5 26.Rb6+–) 20.Nf6 Nf6 21.ef6 Bf5 22.Qf4 Rae8 23.Qh6 (23...Re2 24.Qg7) 1–0. Hollstein,Gerhard – Ecker,R, RLPF–op Hauenstein, 1991.

5.e3 d6!?=.

5.e3 Nh5 6.Bg7 Ng7 7.d4 e6 (7...d6 8.Nc3+=) 8.Nbd2 Qf6 (8...d6 9.Bd3+=) 9.Bd3 d6 (9...d5 10.Rb1+/–) 10.0-0 Re8 11.Ne4 Qe7 12.c5 f5 13.Ned2 dc5 14.bc5 b6 (14...Nc6 15.Nc4+/–) 15.Rc1 bc5 16.Rc5 Nd7 (better is 16...Na6!? 17.Ra5 Nb4+–) 17.Rc7+– 1–0. pierred – anony, internet, 2014.

5.e4 d5 6.Na3?? (6.ed5 Re8 7.Be2 a5+=) 6...b6?? (6...de4 7.Ne5–+) 7.Be2 (7.ed5 a6+=) 7...Bb7?? (7...de4 8.Ne5-/+) 8.0-0 (8.ed5 c6 9.dc6 Nc6+/–) 8...Nbd7?? (8...de4 9.Ne5-/+) 9.d4?? (better is 9.ed5 e6 10.de6 fe6 11.Re1+/–) 9...Ne4-/+ 10.Rb1 a5 11.b5 e6 12.Qc1 Rc8 13.Nd2 dc4 14.Nac4 f5 15.f3 Ng5 16.a4 h5 17.Bd3 Nf7 18.f4 Kh7 19.Nf3 Rg8 20.Qe1 g5?? 21.fg5 Ng5+= 22.Ncd2 Bh6 23.Kh1 Nf3 24.Rf3?? Nf6?? 25.Rg3?? h4?? 26.Rg8 Qg8-/+ 27.d5? h3–+ 28.Bf1 Ne4?? 29.Nf3?? Nd2 (29...Nd2 30.Nd2 Bd5+=) 0–1. Ahonen,Tauno – Rytilahti,Kauko, SM/I–74 corr/Ks76 FIN, 1974. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

5.e4 Ne4 6.Bg7 Kg7+=.

5.b5 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.e3 d5 10.cd5 cd5 11.Be2 Bg4 12.0-0 Nbd7 13.Ne5 Be2 14.Qe2 Ne5 15.Be5 Nd7 16.Bg7 Kg7 17.Nc3 e6 18.Ra1 Qc7 19.Qg4 (19.Qd1 Rc8=) 19...Rc8 20.Qd4 Kg8 21.f4 Nc5 22.Ra3 b6 23.Kf1 Ne4 (better 23...h6!?=) 24.Ne4+/- Qc1 25.Ke2 (25.Kf2 de4 26.Ra6 Qc7+/-) 25...Qa3 (25...de4!? 26.Ra6 Qg1 27.Qe4 Rc1=) 26.Nf6+/- Kf8 27.Nh7 (27.Nd5!? Kg8 28.Nf6 Kf8 29.Nh7 Ke7 30.Qf6 Ke8 31.Qh8 Kd7 32.Nf6 Kc7 33.Qh7+=) 27...Ke7= 28.Qf6 (28.Qb6 Qc5 29.Qb7 Qc7=) 28...Ke8=+ 29.Qh8 Kd7 30.Qg7 Qe7 31.Ng5? (better 31.d3=+) 31...f6-+ 32.Qe7 Ke7 33.Nf3 Rc5 34.Nd4 e5 (34...Kd6 35.g4-/+) 35.fe5 fe5 36.Nf3 Kd6 (better 36...e4 37.Ne5 g5 38.Nc6 Kd6-/+) 37.Ne5= Rb5 38.Ng6 Rb1 39.h4 Rh1 (39...b5 40.Kd3=) 40.g4 (40.Kd3 b5+=) 40...b5= 41.Kd3 b4 (41...Rc1 42.Nf4=) 42.Kc2+= Kc5 43.h5 Kc4 44.Ne5 Kb5 45.Kb3 Rb1 46.Kc2 Rh1 47.Nd7 (47.Nf3 Rh3 48.Nd4 Ka4=) 47...Ka4=+ 48.Nb6?? (better 48.Kb2 Rh2 49.Nc5 Kb5 50.Nb3=+) 48...Ka3-+ 49.Nd5 b3 50.Kd3 b2 51.Nc3 Rc1 52.Kd4 Rc3! 53.dc3 (53.dc3 b1Q Combination; 53.Kc3 b1Q Combination) 53...b1Q 54.Ke5 Qd3 (54...Qb5 55.Kf4-+) 55.e4 (55.g5 Qc3 56.Kf5 Qe3-+) 55...Qc3 56.Kf5 Qf3 57.Kg5 Qe4 58.h6 Qh7 59.Kh5 Kb4 60.g5 (60.Kg5 Qd3-+) 60…Qf5 (60...Qf5 61.Kh4 Qf4 62.Kh5 Qe4 63.h7 Qh7 64.Kg4 Kc5 65.Kf3 Qf5 66.Ke3 Qg5 67.Ke4 Qg3 68.Kf5 Kd5 69.Kf6 Kd6 70.Kf5 Qf3 71.Kg5 Ke5 72.Kg6 Qf6 73.Kh7 Qg5 74.Kh8 Kf6 75.Kh7 Qg7) 0-1. Jones,G (2670) - Siva,Mahadevan (2345), Titled Tuesday, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.Nc3-/+.

5.b5 d6

6.e3 c5 7.Nc3 a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Be2 Qb6 12.Nd5 Qd8 13.0-0 Ne8 14.Bg7 Ng7 15.d4 cd4 16.Nd4 Nb6 17.Bf3 Nd5 18.Bd5 Qc7 19.Rc1 e6 20.Bf3 Bd7 21.Nb3 Rc8 22.Nd2 d5 23.c5 Bb5 24.Qb2 Ba6 25.Nb1 Nf5 26.Nc3 Ne7 27.Na4 Nc6 28.Nb6 Rd8 29.e4 de4 30.Be4 Qe5 31.Qe5 Ne5 32.f3 f5 33.Bb1 Kf7 34.Ba2 Kf6 35.Re1 Rc8 36.f4 Nd3 37.Re6 Kg7 38.Re7 Kh6 39.Nd7 Rd8 40.Ne5 Ne5 41.fe5 Rd1 42.Kf2 Rd2 43.Ke3 Ra2 44.e6 Re2 45.Kf3 Re1 46.Re8 Bb5 47.Re7 Bc6 48.Kf2 Re5 49.g3 Rc5 0–1. thecat74 – wagmir, kurnik, 2012.

6.e3 e5 7.Be2 c5 8.0-0 e4 9.Ne1 d5 10.d3 (10.cd5 Nd5 11.Bg7 Kg7+=) 10...ed3 (10...dc4 11.d4 Be6=+) 11.Bd3? (better 11.Nd3!? dc4 12.Nc5=) 11...dc4-/+ 12.Bc4?? (better 12.Bc2-/+) 12...Qd1-+ 13.Nc3 Qh5 14.Nd5 (14.Nd3 Qh4 15.Nf4 Nbd7-+) 14...Nd5 15.g4 Qg4 (15...Qg4 16.Ng2 Qc4 17.Bg7 Kg7-+) 0-1. dunik1 (2455) - Sensei64 (2575), Rated bullet game, lichess.org, 2023. (=1.c4 A15: English Opening: 1...Nf6 1...Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

6.g3 e5 7.d3 Nbd7 8.Bg2 Nc5 9.Nfd2 Re8 10.Nc3 Bg4 11.Qc2 Qd7 12.Nb3 Nb3 13.ab3 c6 14.h3 Be6 15.bc6 bc6 16.Ra6 d5 17.Na4 Qb7 18.cd5 cd5 19.Nc5 Rec8 (better is 19...Qb5!? 20.Qc3 Rac8=) 20.Nb7+/– Rc2 21.Be5 Ne4 (21...Bc8!? 22.Bf6 Bb7=) 22.de4+/– Be5 23.ed5 Bc3 24.Kd1 Rd2 25.Kc1 Bf5 26.Nd6 (26.e4 Rf2 27.ef5 Rg2+/–) 26...Re2 (better is 26...Rc2 27.Kd1 Rd2 28.Kc1 Rc2 29.Kd1 Rd2 30.Kc1=) 27.Nf5+/– gf5 28.d6 Rb8 (28...Rd8 29.Rf1+/– (29.Ra7 Rd6 30.Rc7 Bd2 31.Kb1 Rf2+=)) 29.Bd5 (worse is 29.Ra7 Bd2 30.Kd1 Rf2+/–) 29...Bd4 30.f3 Be3 31.Kb1 Rd2 32.Bc4 Rd4 33.Kc2 Rd2 34.Kc3 Rd8? (better is 34...Rf2 35.Bd5 Rg2+–) 35.Re1 Bh6 36.d7 (36.Ra7?! R2d6 37.Bf7 Kg7+–) 36...Kg7 37.Bb5 (37.Rh6!? R8d7 38.Rh5 Rg2+–) 37...R2d7 38.Bd7 Rd7 39.f4 Kf8 (39...Rc7 40.Kb2 Rd7+–) 40.Rh6 1–0. Jaskulski,Klaus – Koenig,Frank (2015), Berlin Unicorn op, 2003. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0)

5.Qc2 a5

6.ba5 Ra5 7.d3 c6 8.Nbd2 d5 9.Nb3 Ra8 10.cd5 Nd5 11.a3 Be6 12.Bg7 Kg7 13.g3 Qb6 14.Nc5 Bg4 15.Bg2 Na6 16.Na6 Qa6 17.0-0 Kg8 18.h3 Bf3 19.Bf3 Nf6 20.e4 Rfd8 21.Rfd1 Qa4 22.Qa2 Nd7 23.d4 Nf6 24.d5 cd5 25.ed5 Rd6 26.Rd3 Rad8 27.Rad1 Nd7 28.Bg2 Ne5 29.Rd4 Qa5 30.a4 Nc6 31.R4d2 Nb4 32.Qb3 Qc5 33.Kh2 b6 34.Qe3 Qc7 35.Qe1 Na6 36.Rd4 Nc5 37.Rc1 Qd7 Attacking the isolated pawn on a4 38.a5 Nb3–+ 39.ab6 Nd4 40.Rc7 Qe8 41.Re7 Qf8 42.b7 Nf5 43.Rc7 Rb6 44.g4?? Nh4 45.Bh1 Qd6 (45...Qd6 46.Kg1 Qc7–+) 0–1. sagonek – konik60 (1840), kurnik, 2011.

6.ba5 Ra5 7.d3 Nc6 8.a3 b6 9.Nbd2 d6 10.g3 e5 11.Bg2 Ne7 12.0-0 c5 13.e3 Bb7 14.Rfe1 Bc6 15.d4 ed4 16.ed4 Bf3 17.Nf3 Ng4? (17...d5 18.Bc3 Ra6 19.dc5 bc5 20.cd5 Ned5 21.Bf6 Qf6 22.Qc5+/–) 18.dc5?? (better is 18.Qe4!? Nf2 19.Kf2+– (worse is 19.Qe7 Nd3 20.Qd8 Rd8+–)) 18...Bb2 19.Qb2 Rc5 20.Rab1 Nc8 21.Qb4 Qc7 22.Nd2 Ne5 Attacking the isolated pawn on c4 23.Bd5 Nd3 24.Qb3 Ne1 25.Re1 b5 26.Ne4 bc4 27.Qd1 Ra5 28.Nf6+– Kg7 29.Qd4 Qc5 30.Ne8 Kh6 31.Qh4# 1–0. sagonek – mietz, kurnik, 2012.

6.ba5 Ra5 7.g3 Nc6 8.a3 b6 9.Bg2 Bb7 10.0-0 Ra8 11.d4 Na5 12.Nbd2 Ba6 13.Rfe1 c6 14.e4 Qc7 15.e5 Ng4 16.h3 Nh6 17.Qc3 Nf5 18.Ne4 (18.Rab1 Rfd8+=) 18...d6 (better is 18...Nc4!? 19.Ned2 Nb2 20.Qb2 Rfc8-/+) 19.ed6 ed6 20.Nfd2 (20.Ned2 c5 21.Qc1 Nd4 22.Nd4 cd4 23.Ba8 Ra8=) 20...Bd4 21.Qc2 Bb2 22.Qb2 Nc4?? (better is 22...Ng7 23.Nf6 Kh8+=) 23.Nc4 Bc4 24.Rac1 d5 25.Nf6 Kg7 26.Nd5 f6 27.Nc7 Bd5 28.Na8 Bg2 29.Kg2 Ra8 30.Rc6 Kh6 31.Qf6 Ra3 32.Re4 Ra2 33.Rh4! Nh4 34.Qh4 Kg7 35.Rc7 Kf8 36.Qd8 1–0. sagonek – mietz, kurnik, 2011.

5.Qc2 b6

6.g3 Bb7 7.Bg2 Na6 8.a3 c5 9.b5 Nc7 10.d3 d5 11.Nbd2 d4 12.0-0 Qd6 13.Rfe1 Rad8 14.a4 e5 15.a5 e4 (better is 15...ba5!? 16.Ra5 Ra8=) 16.de4+/– d3 (16...Nd7!?+/–) 17.ed3 Qd3 18.Qd3 Rd3 19.ab6 ab6 20.Ra7 Rb8 21.Be5 Nfe8 22.Bf4 h6 23.h4 Bc3 (23...Rd7 24.Bh3 Rdd8 25.Re2+–) 24.Bh6 Ne6 25.Re2 (25.Rc1 Kh7 26.Bf1 Bd2 27.Nd2 Rd7+–) 25...Ba5 (25...Nd6+–) 26.Ne5 Rd6 27.Ndf3 Nf6 (27...Rd1 28.Kh2 Nd6 29.Bd2+–) 28.Ng5 (28.Bg5 Rd1 29.Kh2 Ne4 30.Nf7 Kf7 31.Re4 Bc3+–) 28...Ng5 (28...Rd1 29.Kh2 Nd8 30.Re3+–) 29.Bg5 Nh5 (29...Nd7 30.Ng4 Bc8 31.Bf4+–) 30.Be3 (better is 30.Nf7!? Kf7 31.e5 Rd1 32.Kh2 Kf8 33.Rb7 Rb7 34.Bb7 Re1 35.Re1 Be1+–) 30...Ng7 (30...Bc3 31.Nf7! Kf7 32.e5 Rd1 33.Kh2+–) 31.Bc5 (31.Ng4!? Ne6+–) 31...Rd1 32.Kh2 Bc3 33.Bb6 Be5 34.f4 (34.c5 Ne6 35.Rea2 Rb1+/–) 34...Bd4 35.c5?? (better is 35.Bd4 Rd4 36.c5+–) 35...Bg1= 36.Kh3 Bc8 37.f5 gf5 38.Ra3 (better is 38.h5 fe4 39.g4+=) 38...Nh5?? (38...fe4 39.g4 f5 40.Be4 fe4 41.Re4–+) 39.Bc7?? (better is 39.e5 Rc1 40.Bc7 Rb5 41.Ra8 Rbc5 42.Rc8 Kh7 43.Bf3+=) 39...Rb5?? (better is 39...fe4 40.g4 Nf6 41.Re4 Rb5–+) 40.Ra8+– fe4 41.Rc8 Kg7 42.Be4 (42.Be5 f6 43.Rc7 Kg8+–) 42...Rc5 43.Rc2 Rd7 (better is 43...Nf6 44.Rc5 Bc5+–) 44.Rc5 Bc5 45.Be5 f6 46.Rc5 fe5 47.Re5 Nf6 48.Rg5 Kh8 49.Re5 Kg7 50.h5 Rd6 (50...Rd4 51.Bf3+–) 51.g4 Ng8 (51...Rd1 52.Bf3 Rd3 53.Kg3+–) 52.Rg5 (52.g5 Rd7+–) 52...Kh8 53.Kh4 Re6 (53...Nf6 54.Re5 Rd4+–) 54.Rg8! (54.Rg8 Kg8 55.Bd5+–) 1–0. Gomez Feria,Jose Maria (1895) – Sousa Barreiro,Bieito (1675), 5th Parla Spain, Open, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qc2 b6)

5.Qc2 c5

6.b5 b6 7.e3 Bb7 (7...a6 8.Be2=) 8.Be2 d5 9.d3 Nbd7 (9...a6 10.0-0=) 10.Nbd2 Qc7 11.Rc1 (11.cd5 Bd5 12.0-0 a6=) 11...e5 12.cd5 Nd5 13.a3 Rfc8 14.0-0 f6 (14...a6 15.ba6 Bc6 16.Rfe1=) 15.Rfd1 Bf8 (15...Kh8!?+=) 16.Qb3+/- Kg7 17.g3 (17.d4!? Bd6 18.Bc4+/-) 17...a6 (17...Qd6 18.d4 ed4 19.ed4=) 18.a4 (18.d4!? ab5 19.Bb5+/- (19.Qb5?! Bc6 20.Qd3 ed4=)) 18...ab5= 19.ab5 (worse 19.Qb5 Nb4 20.Qc4 Ra4-/+) 19...Qd8 20.Nc4 Nc7 21.e4 Ne6 (21...Qe8 22.Nfd2 Qe6 23.Rf1=) 22.Bf1 (better 22.Nce5!? Ne5 23.Qe6 Nf3 24.Bf3+-) 22...Nd4= 23.Bd4 (23.Nd4 cd4 24.f4 Nc5=+) 23...cd4=+ 24.Nh4 (better 24.Bh3!? Nc5 25.Qc2=+) 24...Nc5-/+ 25.Qb1 (25.Qc2 Na4 26.Ra1-/+) 25...Ra4 (better 25...Na4!?-+) 26.Bh3 Rca8 27.f4 (27.Ng2 Qc7=+) 27...Kg8 (better 27...ef4!? 28.Ng2 fg3 29.hg3 Bd6-+) 28.fe5=+ fe5 (28...Bh6 29.Rc2=) 29.Ne5= Qg5 (better 29...Qe8 30.Nc4 Bh6 31.Nb6 Be3 32.Kf1 Qf7 33.Bf5 Bc1 34.Na4 A) worse 34...Ra4 A1) worse 35.Rc1 Nb3 (worse 35...gf5 36.Rc5 fe4 37.Nf5+/-) 36.Qc2 Rb4-/+ (36...gf5 37.Nf5 Rb4 38.Kg1+-; worse 36...Nc1 37.Qa4 gf5 38.Nf5+/-); A2) 35.Qc1 Ne6 36.Kg1 gf5 37.Nf5+=; B) 34...gf5?! B1) 35.Nc5 fe4 36.Kg1 Be3 37.Kh1 ed3 38.Nb7 Qd5 (38...Qb7?! 39.Ng2 Qd5 40.Qd3-+) 39.Ng2 Ra2 40.Qa2 Qa2-+; B2) 35.Nf5 Na4 36.Qc1= (worse 36.Rc1 Nc3 37.Ke1 Qf6-/+); C) 34...Na4 35.Qc1 gf5 36.Nf5 Nc3=+) 30.Rc5 (better 30.Nhf3!? Qe3 31.Kh1+=) 30...bc5=+ (30...Bc5 31.Qb3 Kg7 32.Qf7 Kh6 33.Ng4 Qg4 34.Bg4 Be4 35.Qf4 Kg7 36.Qe5 Kh6 37.de4+-) 31.Qb3 c4 32.Nc4 Kh8 (32...Rb4 33.Qc2=+) 33.Qb2 (33.b6 Qh5 34.Rf1 Rb4=) 33...Bg7 34.Nf3 Qh6 (34...Qh5 35.Bg2 Be4 36.de4 Rc4 37.e5=+) 35.Bg2 (35.Be6 Rf8 36.Rf1+= (36.Nd4?? Rc4 37.Bc4 Qe3 38.Kg2 Bd4-+)) 35...Ra2 (better 35...Be4!? 36.de4 Rc4-/+) 36.Qc1+/- Qc1 37.Rc1 Ra1 38.Rf1 Rf1 39.Bf1 Ra1 (39...Kg8 40.h3+/-) 40.Nd6 Ba8 41.b6 Rb1 42.Nc4 Bc6 43.Nfe5?? (better 43.Kg2+/-) 43...Be5=+ 44.Ne5 Rb6 45.Nf3 Rb4 46.Kf2 Kg7 47.Bh3 (47.g4 h6=+) 47...Kf6 48.Ke2 Bb5 49.Bf1 Rb2 (49...g5 50.g4-/+) 50.Ke1 Rb4 51.Kd2 (51.Ke2 h5 52.h4-/+) 51...Ke6 (51...g5 52.h3-/+) 52.Kc2 Kd6 53.Ng5 h5 54.Nf7 Kc5 55.Ne5 Ba4 56.Kc1 Rb6 57.Be2 Rf6 58.Nf3 Bd7 59.Ne5 (59.h4 Ra6 60.Ne5 Be8-/+) 59...Bh3 60.Kd2 Rf2 61.Ke1 Rh2 62.Ng6 Bg4 63.Bg4 hg4 64.Ne5 (64.Ne7 Rc2-/+) 64...Rg2 (64...Rh5 65.Ng4 Rg5 66.Nf6 Rg3 67.Kd2-/+) 65.Ng4 Rg3 66.Nf2 (66.Ne5 Kb4-+) 66...Re3 67.Kd2 Rf3 (67...Kd6 68.Ng4 Rh3 69.Nf6-/+) 68.Ng4 (68.Ke2 Rf7-/+) 68...Rg3 69.Ne5 Rg2 70.Kc1 Kb4 71.Kd1 Kc3 72.Ke1 Rh2 (72...Rb2 73.Kf1-+) 73.Kd1 (73.Ng4 Rc2 (73...Kd3?! 74.Nh2 Ke4 75.Nf3=) 74.Nf2 Ra2-+) 73...Rh3 (better 73...Rb2!? 74.Ke1-+) 74.Ke2 Re3 (74...Rg3 75.Kf2 Rg5 76.Nf3-+) 75.Kd1 (75.Kf2 Kc2-+) 75...Rg3 76.Ke2 Rg5 77.Nc6 Rg2 (77...Rh5!? 78.Ne7 Rh2 79.Kf3 Kd3 80.e5-+) 78.Kf3 Rh2 79.Ne5 Rh5 80.Nc6? (better 80.Kf4-+) 80...Kd3 81.e5 (81.Kg4 Rc5 82.Nd4 Kd4-+) 81...Rf5 (better 81...Kc3 82.Kg4 Rh7 83.Nd4 Kd4 84.e6-+) 82.Kg4 Rf1 (82...Rf8 83.e6 Ke4 84.Na5-+) 83.e6 Re1 (83...Ke4 84.Kg5 d3-+) 84.Kf5 Kc3 (84...Kc4 85.e7 Re7 86.Ne7 d3=) 85.Ne5 d3 (better 85...Rf1!? 86.Kg6 Ra1=+) 86.e7= Re5 87.Ke5 d2 88.e8Q d1Q 89.Qc6 Kd2 90.Qg2 Kc1 91.Qc6 Qc2 92.Qc2 Kc2 ½-½. bjoern (2140) - bobocyl (2115), Rated Blitz game, lichess.org, 2014.

6.bc5 Nc6 7.a3 Qc7 8.d4 b6 9.cb6 Qb6 10.Nbd2 Rb8 11.Rb1 d5 12.c5 Qc7 13.g3 Bf5 14.e4 Ne4 15.Bd3 Nd2 16.Qd2 Bg4 17.Be2 Bf3 18.Bf3 Nd4 19.Bd5 Qe5 20.Qe3 Qe3 21.fe3 Nc2 22.Kd2 Rb2 23.Rb2 Bb2 24.Kc2 Ba3 25.c6 e6 26.Bf3 a5 27.Rd1 Kg7 28.Rd7 Rc8 29.c7 Bc5 30.Bb7 Rc7 31.Rc7 Bb4 32.Bc6 h5 33.Be8 Kh6 34.Bf7 e5 35.Rc6 1–0. sagonek – incitae, kurnik, 2012.

6.bc5 Nc6 7.d4 d6 8.cd6 ed6 9.Nbd2 Bf5 10.e4 (10.Qb3 Na5 11.Qa4 d5+/–) 10...Bg4 (10...Ne4 11.Qb3 Qa5–+) 11.Be2 Qb6 12.0-0 Rfe8 13.e5 de5 14.de5 Nb4? (better is 14...Nd7!?=) 15.Qb3+/– Nd7 16.h3 (better is 16.Bd4 Nc5 17.Qa3+/–) 16...Nc5 17.Qd1 Bf5 18.Bd4 Rad8 19.Rb1?? (better is 19.Nb3 Nc6 20.Bc5 (20.Nc5? Nd4 21.Na4 Nf3 22.Bf3 Rd1 23.Nb6 Ra1 24.Ra1 ab6–+) 20...Rd1 21.Bb6 (worse is 21.Rfd1 Qa6-/+; worse is 21.Rad1 Qc7+=; worse is 21.Bd1 Qa6-/+) 21...Ra1 22.Ra1 ab6 23.Rd1+=) 19...Bb1-/+ 20.Qb1 Qa5 21.Nb3 Nb3-/+ 22.Qb3 Nc6 23.Bc3 Qb6 24.Qb6-/+ ab6 25.Rd1 Rd1 26.Bd1 Ne5 27.Ne5 Be5 28.Be5 Re5 29.Bb3 Re1 30.Kh2 Kg7 31.Kg3 Kf6 32.f3 Ke5 33.h4 h6 34.Kf2 Ra1 35.g4 Kf4 36.Ke2 Rh1 37.h5 Rh3 38.c5 bc5 39.hg6 fg6 40.Bf7 g5 41.Bd5 Rh4 42.Bb7 (42.Bb7 Rh2 43.Kd1 Ra2 44.Bd5–+). sagonek – ajzerf, kurnik, 2011.

5.Nc3 a5

6.b5 b6 7.e3 Bb7 8.Be2 d6 9.d4 Nbd7 10.Na4 e5 11.de5 de5 12.0-0 e4 13.Nd4 Re8 14.Rc1 Bf8 15.h3 Bd6 16.Qc2 Qe7 17.Rfd1 Qe5 18.g3 Qg5 19.h4 Qh6 20.Nc6 g5 21.hg5 Qg5 22.Rd6 (22.c5!? bc5 23.a3=) 22...cd6=+ 23.Rd1 Re6 24.Qc3 (24.Bf6 Nf6 25.Nd4 Ree8=) 24...h5 (24...Rc8 25.Nd4 Re5 26.Nb3=+) 25.Rd5 (25.Nd4 Ree8 26.Nc6 Re6=) 25...Ne5 26.Nb6 h4?? (better 26...Rae8 27.Rd1 Nc6 28.bc6 Bc6=) 27.Kg2?? (better 27.Na8 hg3 A) 28.Qa5 gf2 29.Kf2 Qh4 30.Kg1 Qg3 (30...Nc6 31.Qd2 Nd5 32.Bf1 Rg6 33.Bg2 Ne3 34.Qe3-+) 31.Kf1 Nd5 32.Qd8 Kh7-+; B) 28.Ne5 Nd5 29.cd5 gf2 30.Kf2 Qh4 31.Kg2 Re5 32.Qe5 de5 33.Bc3-+) 27...hg3 (27...Rae8 28.Rd2 Bc6 (28...Nc6?! 29.bc6 Bc6 30.Nd5 Bd5 31.Rd5-/+) 29.bc6 Nfg4-+ (29...Nc6?! 30.Nd5 Ne5 31.Nc7=+)) 28.fg3?? (28.Re5 de5 29.Na8 gf2 30.Kf2 Qh4 31.Kg1 Ng4 32.Ne7 Kh7 33.Bg4 Qg4 34.Kf1 Rf6 35.Nf5 Rf5 36.Ke1 Qg1 37.Ke2 Rf2) 28...Kh7?? (better 28...Nd5 29.cd5 Rg6-+) 29.Ne5?? (29.Re5 de5 30.Na8 Ng4 31.Ne5 Ne3 32.Kf2 Rf6 33.Ke1 Qg3 34.Kd2 Rd6 35.Nd3 Rd8-+) 29...de5 (better 29...Nd5 30.cd5 Re5 31.Na8 Ba8=) 30.Re5 Re5 31.Qe5 (31.Na8 Rf5 32.Qd4 Ba8-+) 31...Qe5 32.Be5 Kg6 1-0. bjoernsen (2445) - Nebonik (2425), Rated blitz game, lichess.org, 2022.

6.b5 c6 7.a4 d5 8.d3 Nbd7 (8...d4 9.Ne4 Ne4 10.de4=+) 9.Qc2 Nc5 10.g3 (10.cd5 cd5 11.Rc1 d4=) 10...Ne6 (better 10...dc4!? 11.dc4 Bf5-/+) 11.Bg2= d4 12.Nb1 c5 13.Nbd2 Rb8 14.0-0 b6 15.Rfe1 Bb7 16.e3 de3 17.Re3 (17.fe3!? Qd7 18.Be5=) 17...Ng4=+ 18.Re2 Bb2 19.Qb2 Qd6 (19...Qd3 20.Rae1=+) 20.Rae1 (20.Bh3 h5= (20...Qd3? 21.Bg4 Nd4 22.Nd4 Qd4 23.Qd4 cd4 24.Re7+-)) 20...Qd3=+ 21.h3 Nf6 22.Ne5 Qd4 23.Qc2 Bg2 24.Kg2 Qd7?? (24...Qd6 25.Ndf3 Nd4 26.Nd4 cd4 27.Qd1=) 25.Ndf3 (better 25.Nd7 Nd7 26.Nf3+-) 25...Qc7 (better 25...Qb7 26.Nc6 Rbe8=) 26.Ng4 (better 26.Nf7 Nf4 27.gf4 Rf7 28.Ng5+=) 26...Ng4-/+ 27.hg4 Qb7 (27...Rbd8 28.Qe4-/+) 28.Re4 (28.Qe4 Rfd8=+) 28...Rbd8 29.g5 Nd4 (29...Rd6 30.Qe2-/+) 30.Nd4 Rd4 31.f3 Re4 (31...Rfd8 32.Rd4 cd4 33.c5-/+) 32.Re4 e6 33.g4 (33.Re2!?-/+) 33...Rd8-+ 34.Qe2 Qd7 35.Re3 Qd2 36.Kg3 Qe2 37.Re2 Rd4 38.Rc2 Kg7 39.Kf2 Rd3 0-1. almostadams (2645) - beatles_21 (2765), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nc3)

5.Nc3 e6

6.e3 Nc6 7.b5 Ne7 8.Qb3 b6 9.Be2 Bb7 10.0-0 d5 11.d4 c5 12.dc5 bc5 13.Rfd1 Qc7 14.a4 Rfd8 15.a5 dc4 16.Qc4 Nfd5 17.a6 (better is 17.Na4!? Bb2 18.Nb2+/–) 17...Nc3= 18.Bc3? (better is 18.ab7!? Ne2 19.Qe2 Qb7 20.Bg7 Kg7 21.Qc4=) 18...Bd5-/+ 19.Rd5 ed5 20.Qb3 c4 21.Qb2 Bc3 22.Qc3 Nf5 23.Rd1 Qb6 24.Ne5 Qb5 25.Ng4 d4 26.ed4 Qb3 27.Qa1 c3–+ 28.d5 Qb2 29.Bd3 Qa1 30.Ra1 Ne7 31.Ne3 f5 32.g3 Kg7 33.Ra5 Rac8 34.Kf1 Nc6! 35.Rb5 Ne5 36.Bc2 Rc7 37.Ke2 Re7 38.Rc5 Ng4 39.h3 Ne3 40.fe3 Rd6 41.Bd3 Kf6 42.Kf3 Ke5 43.Rc3 Rd5 44.Rb3 Rd6 45.Rb5 Ke6 46.Rb3 Rb6 47.Rc3 g5 48.Rc5 Kd6 49.Rf5= Rb3 50.Ke2 h6 51.Rf6 Re6?? 52.Re6+– Kc5 53.Rh6 1–0. Berlacki,Pierre (1950) – Lepoire,Rene, FRA–ch Veterans, 1993.

6.g3 d5 7.cd5 (7.e3 a5 8.b5 Qd6=) 7...ed5 8.Bg2 c6 Prevents intrusion on b5 9.0-0 Bg4 10.e3 (10.b5 Ne4=) 10...Nbd7 11.d4 Re8 (11...Qe7 12.b5=) 12.a3 (12.h3!? might be a viable alternative 12...Bf5 13.Qd2=) 12...Qc7 (12...Nb6 13.Qe2+=) 13.Qc2 ½–½. Almirante Olay,Ruben – Menendez Villar,Jesus, Padron op, 2001. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3)

5.c5 d6

6.a3 e5 7.cd6 cd6 8.d3 Bg4 9.g3 Nc6 10.Bg2 h6 11.0-0 Ne7 12.Re1 Rc8 13.Nbd2 Ne8 14.Rc1 Nc7 15.Ne4 f5 16.Nc3 f4 17.Qd2 g5 18.h3 Bh5 19.g4 Bf7 20.Nh2 d5 21.Ba1 Ng6 22.Rc2 Nh4 23.Bh1 Bg6 24.Rec1 Re8 25.Nf3 Nf3 26.Bf3 e4 27.de4 de4 28.Bg2 Qe7 29.Nd5 Nd5 30.Qd5 Kh7 31.Bg7 Rc2 32.Rc2 Kg7 33.Qd4 Qe5 34.Qe5 Re5 35.Rc7 Kf6 36.Rb7 Rd5 37.Ra7 Rd1 38.Kh2 1–0. novemberrain1 – solaris8, kurnik, 2012.

6.g3 e5 7.Bg2 Ne8 8.0-0 f5 9.Qc2 Nc6 10.a3 Be6 11.d3 Qd7 12.Nbd2 h6 13.Rfd1 Nf6 14.b5 Ne7 15.cd6 cd6 16.a4 Rf7 17.Rac1 Raf8 18.Nh4 g5 19.Nhf3 f4 20.e3 Ng6 21.ef4 ef4 22.Ne4 g4 23.Ne1 f3 24.Bf1 h5 25.Nf6 Bf6 26.Bf6 Rf6 27.Qc7 R8f7 28.Qc8 Qc8 29.Rc8 Bc8 30.Nc2 h4 31.Nd4 hg3 32.hg3 Ne5 33.Rc1 Bf5 34.Rc8 Kg7 35.Nf5 Rf5 36.d4 Ng6 37.Bd3 Rd5 38.Bc4 Rd4 39.Bf7 Kf7 40.Rc1 Ne5 41.Kf1 Nd3 42.Rd1 Ke6 43.Rd2 Kd5 44.Rd1 b6 45.Rd2 Kc4 46.Rd1 Kb4 47.Rb1 Ka4 48.Ra1 Kb5 49.Ra7 Rb4 50.Ra1 d5 51.Rd1 Rb3 52.Ra1 d4 53.Rd1 Kc4 54.Ra1 b5 55.Rd1 b4 56.Ra1 Rc3 57.Rd1 Rc1 58.Rc1 Nc1 59.Ke1 Nd3 60.Kd2 b3 61.Kd1 b2 62.Kd2 0–1. chighorin – solaris8 (1635), kurnik, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0)

5.d3 a5

6.a3 d6 7.Nbd2 e5 8.e3 Qe7 9.Be2 Nbd7 10.-0 c6 11.Qb3 Kh8 12.Rfe1 Nh5 13.Nf1 f5 14.Ng3 Nhf6 15.Bf1 Ng4 16.h3 Nh6 17.Bc3 a4 18.Qb2 Bf6 19.Rac1 Nf7 20.b5 Kg8 21.Rcd1 h5 22.d4 e4 23.Nh2 Re8 24.Ne2 Nd8 25.Nf4 Kh7 26.Be2 Rg8 27.Kh1 Bh4 28.g3 Bg5 29.Rg1 Nf7 30.Rg2 Nf8 31.Rb1 Qc7 32.Rgg1 Ne6 33.bc6 bc6 34.Qb6 (34.Qc2 Bd7+=) 34...Bd8 35.Qb2 Nf4 36.gf4 Be6 37.Qc2 h4 38.Rb4 g5 39.Ra4 Ra4 40.Qa4 d5 41.Bd2 Bf6 42.c5 Qd7 43.Qb4 g4 44.a4 Nh6 45.Qb1 Qf7 46.a5 Rg7 47.a6 Bd8 (47...Qg8 48.Rg2+/-) 48.Qa1 (better is 48.Qb8 Bf6 49.hg4 fg4 50.Ra1+-) 48...Qg8?? (better is 48...Bf6+/-) 49.a7+- g3 (49...Ba5 50.Qa5 Qa8+-) 50.a8Q g2 51.Rg2! Rg2 52.Qf1 (52.Qf1 Rg7 53.Qc6+-) 1-0. Njobvu,Ignatius (2235) - Solomons,Deon (2165), Tunis TUN, African Ch (m), 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.b5 d5 7.Nbd2 a4 8.Rb1 a3 (8...dc4 9.Nc4 Be6 10.e3=) 9.Ba1 Nbd7 (9...dc4 10.Nc4 Be6 11.e3=) 10.g3 dc4 11.Nc4 Nc5 (11...Nb6 12.Nb6 cb6 13.Bg2=) 12.Bg2+= Nd5 (12...Bf5 13.0-0+=) 13.Bg7+/- Kg7 14.0-0 (better 14.Qc1+/-) 14...Nc3=+ 15.Qc2 Nb1 16.Rb1 f6 17.d4? (better 17.Rc1=+) 17...Bf5-+ 18.Qc1 Bb1 19.Qb1 Na4 20.Ne3 (20.Na3 e5! 21.de5 Nc3-+) 20...Qd6 (20...Nc3 21.Qd3 Na2 22.Qc4-+) 21.d5 (21.Qb3 c6-+) 21...Qc5 22.h4 Qc3 (22...Ra5 23.Qc2-+) 23.Qe4 (23.Nd1 Qc4 24.e3 Qe2-+) 23...Rf7 (23...Qa1 24.Kh2 Qa2 25.Nd4-+) 24.h5 (24.Nd4 Qa1 25.Kh2 Qa2 26.Ne6 Kh8 27.Nc7 Nc5-+) 24...Nc5 (24...Qa1 25.Kh2 Qa2 26.Nd4-+) 25.Qf4 (25.Qc4 Qc4 26.Nc4 Ne4 27.h6 Kf8-+) 25...Ra4 (25...Nb3 26.hg6 hg6 27.Bf1-+) 26.Qc7 (26.h6 Kg8 27.Qc7 Ra8-+) 26...Ne4 27.Qd8 (27.Qf4 Qa1 28.Bf1 Qa2 (28...gh5? 29.Nf5 Kg8 30.Qb8 Rf8 31.Ne7 Kf7 32.Qb7+-) 29.h6 Kg8-+) 27...Qa1 28.Kh2 Nf2 (better 28...Qa2 29.b6 Qb3-+ (worse 29...Qe2 30.Qe8 Nf2 31.Qa4 Qe3 32.Nd4-+)) 29.Qe8 Ng4?? (better 29...Re4 30.h6 Kh6 31.Nf5 gf5 32.Qf7 Rg4 33.Qe7 Qc3 (worse 33...Qa2 34.Qf6 Rg6 35.Qf8 Kh5 36.Qf5 Kh6 37.Qf4 Kg7 38.Qe5 Rf6 39.Qg5 Rg6 40.Qe7 Kh6 41.Ne5 Ng4 42.Ng4 Rg4 43.Bf3+/-) 34.Qb7 f4 35.gf4 Rh4 36.Bh3 Rh3 37.Kg2 Rf3 38.ef3 Nd3-+) 30.Ng4+- Rg4 31.h6! Kh6 32.Qf7 Qa2? (32...f5 33.Qe7 Re4 34.Qf8 Qg7 35.Qa3 Re2 36.Qc1 g5 37.d6+-) 33.Qf8 Kh5 34.Qe7 Qd5 (34...h6 35.Ne5! Qe2 36.Qf6 Qb2+-) 35.Qh7 1-0. Koelle,Tobias (2340) - Allahverdiyeva,Ayan (2085), Titled Tuesday 8th June, 2021.

6.b5 d6 7.a4 Nbd7 8.g3 e5 9.Bg2 Nc5 10.0-0 Re8 11.Nfd2 Bf5 12.Nc3 Qd7 13.Nb3 Nb3 14.Qb3 Bh3 15.Bb7 Bf1 16.Rf1 Rab8 17.Bg2 h5 18.Qc2 h4 19.Ne4 Nh7 20.d4 ed4 21.Rd1 h3 22.Bf3 g5 23.Bd4 g4 24.Bg7 Kg7 25.Bh1 f5 26.Nc3 Ng5 27.Nd5 Kg6 28.Nf4 Kh6 29.Rd5 Re5 30.Qd2 Rd5 31.Nd5 Rf8 32.e3 Qe6 33.Qd4 Qe5 34.Kf1 Nf3 35.Bf3 gf3 36.Qh4 Kg6 37.Qd4 Qe4 38.Nf4 Kh6 39.Qd1 Qc4 40.Kg1 Qe4 41.Nh3 Re8 42.Nf4 Re5 43.h4 Rc5 44.g4 Qc2 45.Qd4 1-0. O_Almeida (2585) - Zobbie (2470), Rated bullet game, lichess.org, 2019.

5.d3 b6

6.b5 Bb7 7.e4 d6 8.Be2 Nbd7 9.0-0 Re8 10.a4 Rc8 11.Nbd2 c6 12.Nb3 cb5 13.ab5 e6 14.Ra7 Qc7 15.Qc2 d5 16.e5 Ng4 17.d4 dc4 18.Rc1 Bh6 19.Nfd2 Ne3 20.fe3 Be3 21.Kf1 Bg2 22.Kg2 Qa7 23.Na1 Qa5 24.Bc3 Qb5 25.Rb1 Qc6 26.Bf3 Qc7 27.Ne4 Rb8 28.Bb4 Ne5 29.de5 Qe5 30.Bd6 Qd4 31.Bb8 Rb8 32.Rd1 Qe5 33.Qc4 f5 34.Qc3 Qc3 35.Nc3 b5 36.Nb3 b4 37.Na4 e5 38.Rd5 e4 39.Be2 Bf4 40.Bc4 Kg7 41.Rd7 Kh6 42.Nac5 Ra8 43.Ba6 e3 44.Rd4 g5 45.Rb4 Kh5 46.Nd4 Bd6 47.Be2 g4 48.Rb5 Ra2 49.Nce6 Kg6 50.Rb6 Be5 51.Nf4 Kf7 52.Rb7 Ke8 53.Nde6 h5 54.Rh7 h4 55.Rh4 Ke7 56.Rh7 Kd6 57.Rh6 Ke7 58.h3 Bf4 59.Nf4 gh3 60.Rh3 Ra3 61.Nd5 Kd6 62.Ne3 f4 63.Nc4 1–0. hal1958 – adamant, playchess.de, 2002.

6.g3 Bb7 7.Bg2 c6 8.0-0 Qc7 (8...d5 9.a3=) 9.Nc3 d5 10.cd5 (10.Qb3 a5=) 10...cd5 11.Nb5 Qd7 12.Nbd4 Ng4 (12...Qd6 13.Qd2=) 13.Rc1 (13.Qd2 e5 14.Nb3 Re8+=) 13...e5 (13...Re8 14.Qd2=) 14.Nb3+= Nc6 (14...Qd6!?+=) 15.h3+/– Nh6 16.b5 Ne7 (16...Nd8 17.Be5 f6 18.Bc3+/–) 17.Be5+– Rac8 (17...Rfc8 18.Bg7 Kg7 19.Nbd4+–) 18.Bg7 Kg7 19.a4 (19.Nbd4 Nhf5+–) 19...Rc1 20.Qc1 Rc8 21.Qb2 f6 22.Rc1 Nf7 23.Rc8 Qc8 24.g4 Qc7 25.Nbd4 Nd8 26.g5 (26.g5 Qd6 27.Qc3+–) 1–0. Dias,Carlos – Alves,Bruno, III Torneio FIDE AXBenedita, 2006.

6.g3 Bb7 7.Bg2 d6 8.Nbd2 (8.0-0 c5 9.a3 a6=) 8...Nbd7 9.0-0 Re8 (9...c5 10.a3=) 10.Qc2 e5 (10...c5 11.a3=) 11.Ne1 (11.Rfe1 c6=) 11...Bg2 12.Ng2 c6 13.Rfc1 (13.e4 d5=) 13...Rc8 14.Nb3 Qe7 (14...Bh6 15.f4=) 15.a4 (15.e4 Bf8=) 15...d5 16.Ba3 (16.b5 d4=) 16...c5 (16...e4!?=+) 17.bc5+= dc4 (17...bc5 18.cd5 Nd5 19.Qc4+= (19.Bc5? Nc5 20.Nc5 Bf8–+; < 19.Nc5 e4-/+)) 18.Qc4 (18.cb6 Qd8 19.b7 Rb8 20.dc4 Rb7+/–) 18...Qe6 (18...bc5!? 19.Nc5 e4+=) 19.Qe6 (19.c6 Nf8+/–) 19...Re6 20.cb6 Rc1 21.Rc1 Rb6 22.Nd2 (22.Rc8 Nf8 23.Nc1 Ra6+=) 22...Bh6 (22...h6 23.Nc4 Rb7 24.Nge3+/–) 23.e3 (23.Rc8!? Kg7 24.f4+/–) ½–½. Knudsen,R – Torum,R, Norway, 1992.

5.d3 c5

6.a3 d5 7.Nbd2 cb4 8.ab4 dc4 9.Nc4 b5 10.Na5 Qd6 11.Qd2 Ne4 12.de4 Qd2 13.Kd2 Bb2 14.Rb1 Bg7 15.e3 Rd8 16.Bd3 a6 17.Ke2 Ra7 18.Rbc1 Be6 19.Rc2 Rad7 20.Rd1 h6 21.Ne1 Be5 22.h3 g5 23.Rdc1 Bd6 24.Rb1 Be5 25.Nf3 Bg7 26.Ne1 Be5 27.Rbc1 Bd6 28.Rb1 Be5 29.Nf3 ½–½. Ivanka Budinsky,Maria (2275) – Paulauskiene,Vilma (2030), EU–chT (Women), 1992.

6.bc5= Qa5 7.Nbd2 Qc5 8.d4 Qc7 9.g3 d6 10.Bg2 Nc6 11.0-0 e5 12.e3 Bf5 (12...Re8 13.Qc2=) 13.Qb3 (13.Re1 Bg4 14.h3 Bd7=) 13...Ne4 14.Ne4 Be4 15.Rfc1 (15.Rac1 ed4 16.Bd4 Bd4 17.Nd4 Na5=) 15...Bf3 (15...Rfe8 16.c5 dc5 17.Rc5 ed4 18.Nd4 (< 18.ed4 b6 19.Rc3 Qd7-/+) 18...Bg2 19.Kg2 Bd4 20.ed4=) 16.Bf3 ed4 17.Bc6 bc6 18.Bd4 (< 18.ed4 Rab8 19.Qa3 Qb6=+) 18...Bd4 19.ed4 Rfe8 (19...Rab8 20.Qf3=) 20.Re1 (20.Qf3 c5=) 20...Re7 21.Re7+= Qe7 22.Qf3 Rc8 23.Rb1 Qe6 24.Rc1 c5 25.d5 Qe5 26.Qc3 Qc3 27.Rc3 Rb8 28.Ra3 Rb4 29.Ra7 Rc4 30.Ra6 Rc2 31.a4 Ra2= 32.Rd6 Ra3? 33.Rc6+/– Ra1 34.Kg2+– Rc1 35.Kf3 Kf8 36.Rc7 c4 37.Ke3 c3 38.Kd3 Rd1 39.Ke4 Re1 40.Kd4 Rd1 41.Ke5 Rc1 42.Kd6 c2 43.Rc8 Kg7 44.Rc3 Kf8 45.f4 f6 46.g4 Ke8 47.Rc8 Kf7 48.h4 h6 49.f5 gf5 50.gf5 h5 51.Rc4 Kf8 52.Rc8 Kf7 53.Rc3 Ke8 54.Kc6 Kd8 55.d6 Kc8?? 56.d7 Kd8 57.Re3 (57.Re3 Re1 58.Re1 c1R 59.Rc1 Ke7 60.Re1 Kf7 61.d8Q Kg7 62.Re7 Kh6 63.Qd2#) 1–0. Santarelli,L (2140) – Estanguet,Franco, ch–ARG s/f, Buenos Aires ARG, 2006.

6.bc5 Qa5 7.Nbd2 Qc5 8.e3 d5 9.Rc1 Qb4 10.Bc3 Qa3 11.Be2 Bd7 12.Qc2 Na6 13.Qb1 Rfc8 14.0-0 Nc5 15.Bb4 Qa6 16.cd5 b6 17.e4 Bb5 18.Ne5 Nh5 19.Ndc4 Nf4=+ 20.Bg4 Rc7 21.Bc5 Rc5 22.Nc6 Bc6 23.dc6= Rc6 24.g3 Ne6 25.Ne3 Rac8 26.Rc6 Rc6 27.Nd5 Kf8? 28.Nb4+– Qc8 29.Nc6 Qc6 30.Rc1 Qb7? 31.Be6+– fe6 32.Qb5 a6 33.Qc4 Kf7 34.f4 b5 35.Qc2 Qb6 36.Kg2 Qe3 37.Qd1 h5 38.Rc2 Qd4 39.Qf3 Qd7 40.e5 b4 41.Qe4 Qa4 42.Qc6 Qa3 43.Qd7 g5 44.Rc8 Qa2 45.Kh3 (45.Kh3 g4 46.Kh4 Qa4 47.Qa4 Be5 48.Qe8 Kf6 49.Kh5 Bf4 50.Qh8 Kf5 51.Rf8#) 1–0. Van der Wal,F (1905) – Spirov,Tony, Australian Open, 2011.

5.d4 c6

6.a4 d5 7.Nbd2 Nbd7 8.g3 (8.e3 a5 9.b5 c5+=) 8...Ne4 (8...dc4 9.Nc4 Nb6 10.Nce5+=) 9.Bg2 Nd2 10.Nd2 e5 11.cd5 cd5 12.Qb3 ed4 13.0-0 a5 14.b5 (14.Nf3 Qe7=) 14...Nb6 15.Nf3 Nc4 16.Nd4 Nd2 17.Qd5 (17.Bd5?? Nb3 18.Bb3 Bd4–+) 17...Nf1 18.Rf1 Qd5 (18...Bh3 19.Rd1 Bg2 20.Qd8 Rfd8 21.Kg2-/+) 19.Bd5= Rd8 20.e4 Rb8 21.Rc1 Bd4 22.Bd4 Be6 23.Be5 Rbc8 24.Rc8 Bc8 25.Bc7+/– Re8 26.f3 Kf8 27.Kf2 f5 28.Ke3 fe4 29.fe4 Ke7 30.Ba5 g5 31.Bb4 Kd8 32.Bf7 Rh8 33.e5 h5 34.e6 Be6 35.Be6 Re8 36.Ba5 Ke7 37.Bd5 Kd6 38.Kd4 Re2 39.Bb7 Rh2 40.b6 h4 1–0. Birnboim,Nathan (2200) – Malachi,Avraham (2200), Netanya–B, 1973. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Nf3 0-0 5.Bb2)

6.Nbd2 a5 7.a3 ab4 8.ab4 Ra1 9.Qa1 Na6 10.Bc3 d5 11.e3 Bf5 12.Be2 Ne4 13.Ne4 de4 14.Nd2 Qb6 15.c5 Qc7 16.Ba6 ba6 17.Qa6 e5 18.de5 Be5 19.Be5 Qe5 20.0-0 Qc3 21.Nb1 Qb4 22.Qc6 Rb8 23.h3 Be6 24.Qd6 Bc4 25.Rd1 Bd3 26.Nc3 Rc8 27.Qf6 Qc5 28.Ne4 Be4 29.Rd8 Rd8 30.Qd8 Kg7 31.Qd2 Qd5 32.Qc3 Kh6 33.f3 Qd3 34.Qc1 Qb1 35.Qb1 Bb1 36.h4 Kg7 37.Kf2 h5 38.g4 Kf6 39.Kg3 Ke5 40.Kf2 Bc2 41.gh5 gh5 42.Ke2 Bf5 43.Kf2 Bd3 44.Ke1 Kf5 45.Kd2 Bf1 46.Ke1 Bb5 47.Kd2 Ke5 48.Ke1 Kd5 49.Kd2 Kc4 50.Kc2 Bc6 51.f4 Be4 52.Kd2 Kb3 53.Kc1 Kc3 0–1. kallekusta (1885) – gentelmenjoe (1885), kurnik, 2012.

6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4).

5.d4 d6

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

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

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

5.d4 e6

6.Nc3 d5 7.c5 c6 8.a4 b6 9.e3 bc5 10.bc5 a5 11.Qc2 Na6 12.Ba3 Nb4 13.Bb4 ab4 14.Na2 Qa5 15.Qb3 Ba6 16.Ba6 Qa6 17.Ne5 Rfb8 18.f3 Qa4 19.Qa4 Ra4 20.Kf2 b3 21.Nc3 Ra1 22.Ra1 b2 23.Rb1 Rb3 24.Nd1 Nh5 25.Nc6 f6 26.Rb2 Rb2 27.Nb2 e5 28.Nb4 ed4 29.ed4 Kf8 30.c6 Ke8 31.Na4 Kd8 32.Nd5 f5 33.c7 Kd7 34.Nab6 Kd6 35.c8Q Bd4 36.Kf1 Bb6 37.Nb6 1–0. racvac001 – rntvlc, kurnik, 2012.

6.e3 b6 7.Be2 Bb7 8.0-0 d6 9.Nbd2 Nbd7 10.a4 Ne4 (10...c5 11.Qb3=) 11.Ne4+= Be4 12.Nd2 Bb7 13.Bf3 Bf3 14.Qf3 (worse 14.gf3 c5-/+) 14...a5 (14...c5 15.Bc3=) 15.b5+= e5 16.Ne4 f5 17.Nc3 ed4 (17...f4 18.Rae1+=) 18.ed4+/- h6 (18...Nf6 19.Qc6+=) 19.Rfe1 Kh7 20.Nd5 Nf6 21.Nf4 White intends d5 21...Re8 (21...Qd7 22.Ne6 Rfe8 23.d5+/-) 22.Ne6 (22.Qg3!? g5 23.Ne6 Qd7+-) 22...Qd7+/- 23.d5 Nh5 24.Ng7 Ng7 25.Qc3 Re7 26.Re7 Qe7 27.Re1 Qf7 28.f4 (28.Qg7 Qg7 29.Bg7 Kg7 30.Re7 Kf6 31.Rc7 Re8+-) 28…Nh5. elrond (2170) - yasir752441 (2040), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.b4 0-0 5.Bb2)

6.e3 d5 7.c5 b6 8.Bd3 c6 9.0-0 bc5 10.bc5 Nbd7 11.Qa4 Qc7 12.Bc3 Ng4 13.Nbd2 e5 14.Ba5 Qb8 15.Rab1 Bb7 16.Ba6 Qe8 17.Rb7 e4 18.Ne1 Rb8 19.Qc6 Rb7 20.Qb7 Qe7 21.Qd5 Ndf6 22.Qd6 Qe8 23.c6 Qa8 24.c7 Re8 25.Nc4 Bf8 26.Qf4 Qd5 27.h3 Nh6 28.Qf6 Be7 29.Qe7 Re7 30.c8Q Kg7 31.Qc5 Qd7 32.Bb5 Qe6 33.Qe5 Qe5 34.Ne5 Rb7 35.Bc6 Rb2 36.Be4 Ra2 37.Bc7 f6 38.N5f3 Nf7 39.Nd3 f5 40.Bd5 Ra3 41.Bf7 Kf7 42.Nc5 a5 43.Ba5 Ra5 44.Ne5 Kf6 45.Rb1 Ra2 46.h4 g5 47.Rb6 Ke7 48.hg5 Ra1 49.Kh2 Ra2 50.Kg3 Ra1 51.g6 hg6 52.Ng6 Kf7 53.Nf4 Ra2 54.Ncd3 Ke7 55.Ne5 Ra5 56.Kh4 Ra8 57.Nd5 Kf8 58.Rb7 Kg8 59.Nf6 Kf8 60.Ng6 1–0. racvac001 – rntvlc, kurnik, 2012.

5.g3 a6

6.Bg2 Nc6 7.Qb3 d6 (7...d5 8.Na3=+) 8.0-0 e5 (8...d5 9.Na3=) 9.d3 h6 (9...Bg4 10.Nbd2=) 10.Nc3 Be6 11.b5 (11.Nd5!?=) 11...Na5 12.Qc2 ab5 13.Nb5 Nc6 (13...Ra6 14.Bc1=+) 14.a4 Nh7 (14...Qe7 15.Bc3=) 15.e3 (15.d4 ed4 16.Nfd4 Bd7+=) 15...f5 (15...Na5 16.Rab1=) 16.d4 (16.c5!?+=) 16...e4=+ 17.Ne1 Bd7 18.d5 Ne5 19.Nd4 (19.f3 Qe7=) 19...Qe7 20.a5 g5 (20...Nf6 21.Qe2=+) 21.Qe2 (21.Qb3 Nf6=+) 21...Nf6 (21...g4 22.Bc3-/+) 22.Nb3 (22.Bc3 g4=+) 22...h5 23.Nd2 (23.Bc3 h4-/+) 23...Kf7 (23...h4!?-/+) 24.f3=+ ef3 (24...Kg8 25.Bd4=+) 25.Nef3= Nf3 26.Nf3 Ng4 27.Bg7 Kg7 28.Qb2 (28.Ra3 Rfe8=) 28...Kg6 (28...Kg8 29.Rfe1=) 29.Rfe1= Rab8 30.Qd4 (30.Ra3 Qf6 31.Qb1 Rfc8=) 30...Ne5 (30...Rfe8 31.Rab1=) 31.Ne5 de5 32.Qd3 Rh8 Black prepares the advance h4. Black prepares e4 (32...Rf6 33.Reb1 Rff8 34.d6 cd6 35.Bb7+–) 33.Rf1 (33.a6 ba6 34.Ra6 Kg7+–) 33...e4 (33...Kg7 34.Rab1+=) 34.Qe2 (34.Qd4!? Qf6 35.Qf6 Kf6 36.Be4+=) 34...h4=+ 35.Qf2 Qe5 (35...h3 36.Bh1=+) 36.a6 (better 36.Rab1=) 36...b6?? (better 36...h3 37.Rfb1 hg2 38.ab7 Rb7 39.Ra6 Rb6 40.Rab6 cb6 41.Rb6 Kf7 42.Kg2 Rc8-/+) 37.a7 Ra8 38.g4 (38.Ra2 Rh7+=) 38...Rhf8 (38...h3 39.gf5 Bf5 40.Bh1=) 39.gf5 (39.Qc2 h3 40.Bh1 Rf6+–) 39...Rf5+= 40.Qe2 Rf1 41.Qf1 Bf5 42.Ra6 (better 42.Qd1+=) 42...Qc3=+ 43.Qe2 (better 43.h3 Qe3 44.Qf2 Qc1 45.Qf1=+) 43...g4?? (better 43...Qc1!? 44.Bf1 Bh3-/+) 44.Ra2?? (better 44.Be4 Qc1 45.Kf2 Be4 46.Qg4 Kf6 47.Qe6 Kg7 48.Qe7 (48.Qe4 Rf8 49.Qf4 Rf4 50.ef4 Qf4 51.Kg2 Qe4 52.Kf2 Qd4 53.Kf3 Qd3 54.Kf2 Qc2 55.Ke3 Qc1 56.Kf2 Qd2 57.Kf1 Qd1 58.Kf2 Qd2 59.Kf1 Qf4 60.Kg2 Qg5 61.Kh3 Qe3 62.Kh4 Qf4 63.Kh3 Qf1 64.Kg3 Qd3 65.Kf2 Qc2 66.Ke3 Qc3 67.Kf2 Qd2 68.Kf3 Qd1 69.Ke3 Qe1 70.Kd3 Qf1 71.Kd4 Qf4 72.Kd3 Qf5 73.Kd2 Qf2 74.Kd3 Qf3 75.Kc2 Qe2 76.Kb3 Qe3 77.Kc2 Qe4 78.Kc3 Qe5 79.Kb3 Qe3 80.Kc2 Qe2 81.Kb3 Qd3 82.Kb2 Qd2 83.Kb3 Qd1 84.Kc3 Qf3 85.Kc2 Qg2 86.Kc3 Qf3 87.Kc2=) 48...Kg8 49.Qe6 (49.Qe4 Rf8 50.Qf4 Rf4 51.ef4 Qf4 52.Kg2 h3 53.Kh3 Qf5 54.Kh4 Qf6 55.Kh5 Qe5 56.Kg6 Qg7 57.Kf5 Qd7 58.Ke5 Qe8 59.Kf6 Qd8 60.Ke5 Qa8=) 49...Kg7 50.Qe5 (50.Qe4 Rf8 51.Qf4 Rf4 52.ef4 Qf4 53.Kg2 Qe4 54.Kf2 Qd4 55.Kg2 h3 56.Kh3 Qd3 57.Kg2 Qe2 58.Kg3 Qe3 59.Kg4 Qe4 60.Kg3 Qd3 61.Kg2 Qg6 62.Kf3 Qd3 63.Kg2=) 50...Kg8 51.Qe6 Kg7=) 44...Qe5 Black prepares g3 (44...g3 45.hg3 hg3 46.Bf1=) 45.Qf2 g3 (45...Kg5 46.Qe1+=) 46.hg3 Qg3? (better 46...hg3 47.Qf1 Bg4+–) 47.Qg3+– hg3 48.Bf1 Kg5 (48...Kf6 49.Kg2+–) 49.c5! Bc8?? (49...bc5 50.Bb5 Combination) 50.Bb5 Bb7 (50...Bh3 51.cb6 cb6 52.Ra1+–) 51.cb6 Bd5 (51...cb6 52.Bc6 Bc6 53.dc6+–) 52.Rd2 Bb7 53.bc7 (better 53.Rd7 cb6 54.Rb7+–) 53...Ra7+= 54.Bd7 (54.Rd5 Kf6=) 54...Ra1= 55.Kg2 Rc1 56.c8Q Bc8 57.Bc8 Rc8 58.Kg3 Rc4 59.Rd5 Kf6 60.Kf4 Rb4 61.Re5 Attacking the isolated pawn on e4 61...Rc4 62.Re8 Rb4 63.Re4 Re4 ½–½. Cui,Cynthia – Liu,Henry, ch–CAN Junior, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a6)

6.Bg2 Nc6 7.b5 ab5 8.cb5 Na5 (8...Na7 9.a4=) 9.d3 d5 10.Qc2 c6 11.Nbd2 (11.a4 Bd7=) 11...cb5=+ 12.Qc5 e6 (12...Bd7 13.0-0=+) 13.Qb5 Bd7 14.Qc5 Rc8 (14...Nc6 15.0-0=) 15.Qb4 Nc6 16.Qh4 (16.Qb7?? Rb8 17.Qb3 Rb3 18.Nb3 Qe7–+) 16...b5 17.0-0 Re8 18.Ne5 (18.a4 ba4 19.Qa4 e5=+) 18...Ne5 19.Be5 h6 (19...Ne4! 20.Qd8 Red8 21.Bg7 Nd2=+) 20.Nf3 Rc2 (20...Qe7 21.Rfb1=) 21.Rfc1 Re2 22.Bf1 Re5 23.Ne5 g5 (23...Qb6 24.Rab1+=) 24.Qb4+/– Nh5 25.d4 Re7 26.Qd6 Be5 27.de5 Qe8?? 28.Rc7 Kf8 29.Rb7 Ng7 30.Rb8 Nf5 31.Re8 Be8 32.Qc5 d4 33.g4 Nh4 34.Rd1 (34...Ng6 35.Rd4+–) 1–0. MT – guest467, ICC, 2003.

6.Bg2 d5 7.cd5 Nd5 (7...Qd5 8.Qc2=) 8.Bg7 Kg7 9.a3 c6 (9...Nc6 10.Nc3=) 10.0-0+= Bf5 (10...a5 11.Nc3+=) 11.d3 Nf6 (11...Bg4 12.Ne5 Bf5 13.e4+=) 12.Nbd2 Nbd7 13.Rc1 (13.Nd4 Rg8+=) 13...Qc7 (13...a5 14.ba5 Qa5 15.Nc4=) 14.e4 (14.Nd4 Qe5 15.N2f3 Qd6+=) 14...Bg4 15.h3 (15.d4 e5 16.d5 Rfc8+=) 15...Be6 (15...Bf3!? 16.Qf3 e5=) 16.d4+= Nb6 (16...Qb6 17.Qc2+=) 17.d5+/– Bc8 (17...Bd7 18.Qb3+/–) 18.dc6 bc6 19.e5 Nfd5 20.Nb3 Qd7 21.Nfd4+– Bb7 22.Nc5 Qc8 23.e6 a5 24.ef7 ab4 25.Nde6 Kf7 26.Nf8 Kf8 27.ab4 Nb4 28.Qd4 N4d5 29.Qh8 Kf7 30.Qh7 Kf6 31.Bd5 cd5 32.Rfe1 Rb8 33.Qe7 (33.Qe7 Kf5 34.Re5#) 1–0. bschardein (2360) – roadrunner (1935), net–chess.com, 2005.

5.g3 b5

6.cb5 a6 7.ba6 Ba6 8.Bg2 Nc6 9.a3 Be2?? (better 9...Re8+/-) 10.Qe2+- Ng4 (10...e6+-) 11.Bg7 Kg7 12.Nc3 (better 12.b5!? Na5 13.Nd4 e5 14.Ba8 Qa8+-) 12...Nb4 (12...Nf6 13.0-0+-) 13.0-0 (better 13.Nd4 Nf6 14.Ba8 Qa8+-) 13...Nc2 (13...Nc6 14.h3 Nf6 15.Ne5+-) 14.Ra2 Na3 15.Rfa1 Nc2 (15...c6+-) 16.Ra8 (16.Rc2?! Ra1 17.Ne1 c6=) 16...Qa8 17.Ra8 Ra8 18.Qd1 (better 18.Qe4 Ra1 19.Bf1 Nf6 20.Qc2 Ra3+-) 18...Ra1 19.Nb1 Na3 20.Nd4 (better 20.Qa4 Rb1 21.Bf1+-) 20...Rb1-+ 21.Qb1 Nb1 22.h3 Nf6 23.d3 Nd2 24.f4 c5 25.Nc2 d6 26.Kf2 Nd7 (26...d5 27.Na1-+) 27.Ke3 Nb3 28.Bd5 e6?? (better 28...Na5-+) 29.Bb3+/- Nf6 30.Bc4 Ne8 31.Bb5 Nc7 32.Bc6 d5 33.d4 (33.Ne1 Na6+/-) 33...c4 34.Kd2 Na6 35.Kc3 Nb8 (35...Kf6 36.Ne3 Nc7 37.Ng4 Ke7 38.Nh6+/-) 36.Bb5 (36.Bd5 ed5 37.Ne3 f5+-) 36...f6 (36...Kf8 37.g4+/-) 37.Kb4 g5? (better 37...Kf7+/-) 38.Kc5 Kf7 (38...gf4 39.gf4 Kg6 40.Ne3+-) 39.Kd6 gf4 (39...h5 40.fg5 fg5 41.Kc7+-) 40.gf4 e5 (40...c3+-) 41.fe5 fe5 42.Ke5 (better 42.de5 Kg6 43.e6+-) 42...Ke7 43.Kd5 c3 44.Kc4 h5 45.Kc3 h4 (45...Nd7 46.Bd7 Kd7 47.d5+-) 46.Kd3 Kd6 47.Na3 Kd5 48.Ke3 Nc6 49.Bc6 Kc6 50.Ke4 Kd6 51.Kf5 Kd7 (51...Kd5 52.Nb5 Kc6+-) 52.Ke4 (better 52.Ke5 Ke7 53.d5+-) 52...Kd6 53.d5 Kd7 54.Ke5 Ke7 55.Nc4 Kd7 56.Kf5 Ke7 57.Kg5 (57.Kg5 Kf7 58.d6+-) 1-0. Spiritchaser84 (2270) - sirmagic (2005), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

6.cb5+= c6 7.Bg2 cb5 8.Nd4 d5 9.Nb5 Qb6 10.N5c3 Bb7 11.0-0= a5 12.Na4 Qb5 13.Nbc3 Qb4 14.a3 Qd6+= 15.Qb3 Bc6= 16.Nb6 Ra7 17.Nbd5?? Nd5–+ 18.Nb5 Bb5 19.Bg7 Kg7 20.Qb5 Nf6 21.d3 Nbd7 22.Rfc1 Rb8 23.Qc4 Rb2 24.d4 Nb6 25.Qd3 Rc7 26.Bf3 a4 27.Kg2 Rb3 28.Qa6 Rc1 29.Rc1 Qd4 30.e3 Qb2 31.Re1 Qa3 32.Bc6 Qb2 33.Re2 Qc3 34.Bb5 Qc5 35.Bd3 Qd5 (35...Qd5 36.e4 Qd3 37.Qd3 Rd3–+) 0–1. Crockett,Mike – Tuvshintugs,B (2225), OCF Winter NAO FIDE Op, Stillwater USA, 2007.

5.g3 e6

6.Bg2 Nc6 7.a3 Re8 8.0-0 d6 9.d3 Bd7 10.Nbd2 a6 11.Nb3 Ne7 12.Qd2 Nf5 (12...e5!?=) 13.e4+= Ne7 14.Rfe1 Ba4 15.Nbd4 (15.Qc3 e5+=) 15...c5 (15...e5 16.Nc2=) 16.Ne2+= cb4 17.ab4 Bc6 18.Ned4 Rc8 19.Nc6 Nc6 20.Rab1 b5 21.e5 (21.Ra1!?+=) 21...de5= 22.c5 Nd4 (22...Nd7!?=) 23.Nd4 ed4 24.Ra1 Nd5 25.Ra6 Ra8 26.Ra8 (26.Rd6 Qc7+/–) 26...Qa8+= 27.h4 Qb8 28.Qe2 (better is 28.Bd5 ed5 29.h5+=) 28...Nb4-/+ 29.c6 (29.h5!?-/+) 29...Rc8–+ 30.Rc1 Qd6?? (better is 30...Qb6–+) 31.Ba3+/– Bf8? (better is 31...Ra8+/–) 32.Qd2 1–0. alexp (2470) – rar (2285), net–chess.com, 2016.

6.Bg2= d5 7.Na3 c6 8.0-0 a5 9.b5 Bd7 10.d3 Re8 11.Qd2 Qe7 12.Rab1 Nh5 13.Bg7 Ng7 14.bc6 bc6 15.Qc3 c5 16.cd5 ed5+= 17.e4 de4 18.de4 Bc6 19.e5 Nd7 20.Rfe1 a4 21.Nc4 Reb8 22.Nfd2 Bg2 23.Kg2 Qe6 24.Rb8 Rb8= 25.Rb1 Rb1=+ 26.Nb1 Qd5 27.f3 Ne6 28.Nbd2 Nd4 29.Qe3 Nc6 30.Qe4 Qe4 31.Ne4 Nde5 32.Ne5 Ne5 33.Nc5 a3 34.Kf2 Kf8 35.Ke3 Ke7 36.Nd3 Nc4 37.Kd4 Nd2 38.Ke3 Nc4 39.Kd4 Nd2 40.Ne1 Nf1 41.Kd3 Nh2 42.Ke2 Kd6? 43.Nc2?? g5= 44.Na3 g4 45.f4 Nf3= 46.Nc2 Kc5 47.Kd3 h5 48.Ne3 Nd4 49.Ke4 Ne2 50.Nf1 Nc3 51.Kf5+= Na2 52.Kf6 Nc3 53.Kf7 Nd5 54.Kg6 Nf4 55.gf4+= h4 56.f5?? g3–+ 57.Ng3 hg3 58.f6 g2 59.f7 g1Q 60.Kh7 Qh2 61.Kg8 Qg3 62.Kh8 Qh4 63.Kg8 Qg5 64.Kh8 Qh6 65.Kg8 Qg6 66.Kh8 Qh5 67.Kg8 Qf7 68.Kf7= ½–½. Werner,Ge (2065) – Robertson,D (1925), Politiken Cup, 2006.

6.Bg2 d5 7.cd5 ed5 8.0-0 Re8 9.e3 Bf5 10.d3 Qd7 11.a3 h6 12.Qb3 c6 13.Nbd2 Bh3 14.Rfc1 Bg2 15.Kg2 a6 16.a4 b5 (16...Qe6!?=) 17.Bd4 Nh5 (17...Qe6 18.Qc3+/–) 18.Bg7+/– Ng7 19.Qc3 Nf5 20.Ne5 Qe7 21.Ndf3 ba4 22.Ra4 (worse is 22.Nc6 Nc6 23.Qc6 Qb4 24.Ra4 Qb2=) 22...Rc8 23.b5 c5 24.b6 Nd6 (better is 24...Qb7!?+=) 25.Ng4+– h5?? (better is 25...d4 26.ed4 Nd7 27.Nh6 Kh7 28.Nf7 Nb6 29.N3g5 Kg8 30.Nh6 Kh8 31.dc5 Qg7 32.Qg7 Kg7+–) 26.Nf6 (26.Nf6 Kf8 27.Nd5+–) 1–0. Bootello Sanchez – Rosado Montanez, Malaga–ch, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 e6)

6.Bg2 d5 7.cd5 Nd5 8.Bg7= Kg7 9.Qb3 Nc6 10.b5 Na5 11.Qa3 b6 12.0-0 (12.e4 Nf6=) 12...Rb8 (12...a6 13.Qb2 f6 14.ba6 Ba6 15.d3=) 13.Ne5 (13.Qb2 f6+/-) 13...Qd6 (13...a6!?=) 14.Qd6 cd6 15.Nd3 (15.Nc6!? Nc6 16.bc6=) 15...Bb7= 16.Na3 Rbc8 17.Rfc1 h5 18.h4 Nb4?? (better 18...Ne7=) 19.Nb4+- Bg2 20.Kg2 Rcd8 (20...Kf6 21.Nc6 Nc6 22.bc6+-) 21.Rc7 Rfe8 1-0. Spiritchaser84 (2100) - eliasmorenorodrigues (1905), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

5.h4 d5

6.c5 a5 7.b5 Bf5 8.d4 Nbd7 9.a4 Ne4 10.Nbd2 (10.Ra2!?+=) 10...Ndc5!-/+ 11.Ne4 (11.dc5 Bb2 Pinning (11...Bb2 Deflection)) 11...Ne4 12.e3 c5 13.h5 c4 14.Nh4 Qc7 Black plans c3 (14...Bd7 15.hg6 fg6 16.Nf3–+) 15.Nf5-/+ gf5 16.h6 Bf6 17.Qf3 c3 18.Bc1 e6 19.Bd3 Kh8 20.g4 c2 21.gf5?? (better is 21.Ke2-/+) 21...Qc3–+ 22.Ke2 Qa1 23.Be4 de4 24.Qf4 (24.Qe4 Qa4 25.Qb7 Rab8–+) 24...e5 (better is 24...Qa4 25.Qe4 Qb5 26.Qd3–+) 25.de5 Qe5 26.Qg4 Rg8 27.Qh5 Raf8 28.Rh4 Rg5 29.Qg5–+ Bg5 (29...Bg5 30.Rh3 Qd6–+) 0–1. cirovicz (2245) – aslivo (2470), net–chess.com, 2010.

6.cd5 Qd5 7.e3 Nc6 8.a3 Bf5 9.Nc3 Qd7 10.b5 Na5 11.Ne5 (11.Qa4 b6=) 11...Qd6 12.d4 c5 13.g4 (13.bc6 Nc6 14.g4 Be6=) 13...cd4=+ 14.ed4 Be6 15.Be2 (better 15.g5 Nh5 16.Ne4=+) 15...Nb3-+ 16.Nc4 (better 16.Rb1 Nd4 17.Na4 Ng4 18.Ng4-+) 16...Bc4 17.Bc4 Na1 18.Qa1 (18.Ba1 Qa3 19.g5 Nh5-+) 18...Qd4 19.Be2 Ng4 20.0-0 (20.Nd1 Qd5 21.Rg1 Bb2 22.Qb2-+) 20...Qf4 21.Kg2 (21.Bg4 Qg4 22.Kh2 Be5 23.f4-+) 21...Qh2 22.Kf3 Ne5 (22...Qh3 23.Kf4 e5 24.Ke4 Rfd8 25.Bg4 Qd3) 23.Ke3-+ Bh6 (23...Rfd8 24.Nd5 Qh3 25.f3 Bh6 26.Kd4 Rd5 27.Kc3 Rc5 28.Kb4 Bd2 29.Bc3 Bc3 30.Qc3 Qh4 31.Kb3 Rc3 32.Kc3 Rc8 33.Kb2 Qd4 34.Kb1 Nd3 35.Bd3 Qd3 36.Ka1 Rc2 37.Re1 Qa3 38.Kb1 Qb2) 24.f4 Qh4 (better 24...Rfd8 25.Ne4 Qh3 26.Kf2 Nd3 27.Bd3 Rd3 28.Qc1-+) 25.Ne4 (25.Nd5 Rad8 26.Be5 Rd5-+) 25...Qh3 26.Kf2 (26.Bf3 Ng4 27.Ke2 Qh2 28.Nf2 Rac8-+) 26...Bf4 27.Be5 Qh2 28.Ke1 Be5 29.Qb1 Qh4 30.Kd2 (30.Nf2 Bc3 31.Kd1 Rac8-+) 30...Rfd8 31.Ke3 Bd4 32.Kf3 (32.Kd2 Bb6 33.Kc1 Rac8 34.Kb2 Qh2-+) 32...Qh5 33.Kg3 Qe2 34.Rf3 Rac8 35.Ng5 Be5 36.Kh3 (36.Kh4 Rd4 37.Rf4 Rf4 38.Kh3 Qg4 39.Kh2 Rf1) 36...Qh2 37.Kg4 Qh5 0-1. Kabanova,E (2135) - Haessel,D (2130), Titled Tuesday, 2021. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

6.cd5 Qd5 7.g3 Qd6+=.

5.h4 d6

6.Nc3 Nc6 7.b5 Ne5 8.e3=+.

6.Nc3 e5 (6...Nc6 7.b5 Ne5 8.e3=+) 7.Ng5 (7.e3 Bf5=+) 7...Nc6 (7...Bf5 8.d3=+) 8.b5 Nd4 9.e3 Ne6 10.Be2 (10.Ne6 Be6 11.Be2 a6=+) 10...Ng5 11.hg5 Ne8 (11...Nd7 12.Nd5=+) 12.f4 (12.Ne4 Bf5 13.Bf3 d5 14.cd5 Be4 15.Be4 Qg5=) 12...ef4 13.ef4 Qe7 (13...f6 14.gf6 Nf6 15.Qb3=+) 14.Nd5 (14.d4+=) 14...Qe6? (better 14...Qe4 15.Bg7 Kg7=) 15.Bg7+– Kg7 16.0-0 c6 17.Ne3 f6 (17...cb5 18.Qc2+–) 18.Bg4 White intends f5 (18.bc6 bc6 19.Qa4 Bd7+–) 18...Qe7 19.bc6 bc6 20.Bc8 (20.Bf3!? Bd7 21.Qa4+–) 20...Rc8+= 21.Qg4 Qc7? (better 21...Rb8!?+=) 22.f5+– fg5? (22...d5 23.Rae1 a6 24.cd5+–) 23.Qg5 (better 23.fg6 Nf6 24.Qg5 hg6 25.Nf5 Kh8 26.Nh4+–) 23...Kh8?? (better 23...Qd8 24.Qg3 g5+–) 24.fg6 Ng7 25.Qh6 Ne6 26.gh7 (better 26.Nf5 Rf5 27.Rf5 Qg7 28.Qh7 Qh7 29.gh7 Kh7+–) 26...Qe7 27.Nf5 Qf6 28.Qf6 (28.Qe3!? Qe5 29.Ne7 Qe3 30.de3 Rf1 31.Rf1 Rb8+–) 28...Rf6 29.Nd6 Rcf8 30.Rf6 Rf6 31.Ne4 (31.Rf1 Nf4 32.Kh2 Rd6 33.Rf4 Rd2+–) 31...Rf7 (31...Rf4 32.Re1 Kh7 33.Nf2+–) 32.Rb1 (32.Re1 Kh7 33.d4 Rf5+–) 32...Kh7 33.Rb8 (33.Rf1 Rc7+–) 33...Kg6 34.Rg8 Kh7? (34...Kh6+–) 35.Re8 Ng7 36.Ng5 Kg6 37.Nf7 Ne8 38.Ne5 Kf6 (38...Kf5 39.Nc6 Ke4+–) 39.Nc6 a6 40.Kf2 Ke6 41.d3 (41.Na5 Nf6+–) 41...Kf5 (41...Nf6 42.Nb4 a5 43.Nd5 Ng4 44.Kf3 Ne5 45.Ke4+–) 42.Kf3 Nd6 (42...Ke6 43.g4+–) 43.g4 Kg5 (43...Kf6 44.Kf4+–) 44.c5 Nb5 (44...Ne8 45.Nb4+–) 45.a4 Nc3 (45...Nc7 46.Nb4+–) 46.a5 Nb5 (46...Kf6 47.Nb8+–) 47.d4 Nc7 (47...Nc3 48.Nb4 Kf6 49.d5+–) 48.Ke4 Kg4 (48...Ne8 49.Ke5 Kg6+–) 49.d5 Kg5 50.Ke5 Ne8 51.d6 Nf6 52.Nb8 Kg6 53.d7 Nd7 (53...Ng8 54.d8Q Kg7 55.Qg5 Kh8 56.Nd7 Ne7 57.Qe7 Kg8 58.Nf6 Kh8 59.Qh7) 54.Nd7 Kf7 (54...Kg5 55.c6 Kg4 56.c7 Kf3 57.c8Q Kf2 58.Qc4 Kg3 59.Qf4 Kh3 60.Nf6 Kg2 61.Ne4 Kh1 62.Qf3 Kg1 63.Qf2 Kh1 64.Ng3) 55.Kd6 Ke8 (55...Kg6 56.c6 Kf5 57.c7 Ke4 58.c8Q Kd3 59.Qc5 Ke2 60.Qc2 Ke3 61.Ne5 Kf4 62.Qf2 Kg5 63.Qg3 Kh5 64.Kd5 Kh6 65.Qg6) 56.c6 Kd8 (56...Kf7 57.c7 Kg7 58.c8Q Kh7 59.Ke5 Kg6 60.Nf6 Kg7 61.Qg8 Kh6 62.Qf7 Kg5 63.Qh5) 57.Nb6 (57.c7 Ke8 58.Ne5 Kf8 59.c8Q Kg7 60.Qe8 Kh7 61.Qg6 Kh8 62.Nf7) 57...Ke8 58.c7 Kf7 59.Nd5 (59.c8Q Kg6 60.Qg4 Kh7 61.Ke6 Kh6 62.Kf6 Kh7 63.Qg7) 59...Kg6 60.Ke5 Kf7 (60...Kh6 61.c8Q Kg6 62.Qg8 Kh5 63.Kf5 Kh4 64.Qg4) 61.Kf5 Kg7 (61...Ke8 62.c8Q Kf7 63.Qc7 Kf8 64.Kf6 Kg8 65.Qg7) 62.Kg5 (62.c8Q Kf7 63.Qc7 Kg8 64.Kf6 Kf8 65.Qf7) 62...Kf7 (62...Kh7 63.c8Q Kg7 64.Qe6 Kf8 65.Nf6 Kg7 66.Qg8) 63.c8Q Kg7 64.Qf5 Kg8 (64...Kh8 65.Kg6 Kg8 66.Qc8) 65.Ne7 (65.Kg6 Kh8 66.Qc8) 65...Kg7 66.Qf6 (66.Qf6 Kh7 67.Qh6) 1–0. Bulcourf,Carlos (1990) – Vargas Ainhoa,Belen, Liga Nacional Superior, 2017. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.h4 d6)

6.h5 Nh5 7.Nc3 (7.Bg7 Kg7 8.Nc3 Nc6 9.b5 Ne5 10.e3 Bg4 11.Be2 Nd7 12.Ng5; 7.Qb3 Bb2 8.Qb2 Be6 9.Nc3 a5 10.b5 Nd7 11.e3 Nhf6 12.Ng5) 7...e5 (7...Nc6 8.b5 Ne5 9.e3 Bd7 10.Ne5 Be5 11.Be2 Ng7 12.d4) 8.Qc2 (8.d3 Be6-/+ 9.e3 a5 10.b5 Nd7 11.Be2 Nc5 12.Ne4; 8.e3 Be6 9.Ne4 Nc6 10.b5 Bf5 11.Nfg5 Nb4 12.g4) 8...Bf5 (8...Nc6 9.Qb3 Re8 10.Nd5 Bf5 11.e3 Nf6 12.b5) 9.e4 Bg4 (9...Be6 10.Nd5 c6 11.Ne3 a5 12.b5) 10.Nh2 (10.Nd5 c6 11.Ne3 Bf3 12.gf3) 10...Be6 (10...Qh4 11.Nd5 Na6 12.d4) 11.0-0-0 (11.Nd5!?-/+ c6 12.Ne3; 11.Nf3 Nd7 12.Rd1) 11...Nc6–+ 12.Nd5 (12.Nf3–+) 12...Bd5 13.ed5 (13.cd5 Nb4 14.Qb3 Na6–+) 13...Nb4 14.Qb3 a5 15.a3 (15.Kb1 Qd7 16.a3 Na6–+) 15...Na6 16.Ng4 (16.Qe3 Nf6–+) 16...f5 17.Nh2 (17.Ne3 Nc5 18.Qc2 f4–+) 17...Nc5 18.Qc2 Ra6 19.g3 (19.Kb1 Rb6 20.Ka2 e4 21.Bg7 Kg7–+) 19...Rb6 20.Re1 Qd7 21.Be2 (21.Re3 cannot change what is in store for ? 21...Bh6–+) 21...Nf6 (better 21...e4 keeps an even firmer grip 22.Bg7 Qg7–+) 22.d4 (22.Kd1–+ what else?) 22...ed4 23.Nf3 (23.f3 doesn't get the cat off the tree 23...Nh5 24.Bd3 Bh6 25.Kb1 Na4–+) 23...Nfe4 24.Bd3 (24.Rh7 is not the saving move 24...Kh7 25.Rh1 Kg8 26.Nd4 Nf2–+) 24...Nf2 '!' 'Deflection: d3' 25.Rd1 (25.Qf2 Nd3 Overloading Deflection) 25...Nd1 26.Qd1 Rb3 27.Bc2 Rb2 '!' 'Double attack: c2/b2' 28.Kb2 d3 29.Kb1 (29.Ka2 does not win a prize 29...dc2 30.Qc2 Ne4–+) 29...dc2 30.Qc2 Qe7–+. Dos Santos,SA (1970) – Fernandes,Jose Costa Jr (2120), Rio de Janeiro–ch Absoluto, 1986.

5.Qc2 c6

6.d3 d5 7.Nbd2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 (10...Na6 11.Qb3+=) 11.Bc3= Ng4 (11...Na6!?=) 12.c5+= Qc7 13.h3 (13.Bg7 Kg7 14.Qb2 Nf6+=) 13...Ne5 14.Nd4 (14.Ne5 Be5 15.e3 Bc3 16.Qc3 e5+=) 14...f5 (14...Ned7 15.e3=) 15.e3 Nf7 16.Be2 (16.N4f3 e5=) 16...e5 (16...f4 17.e4=) 17.N4f3 Re8 Black prepares the advance e4 18.0-0 Qe7 (18...Na6 19.Nb3=) 19.Re1 e4 (19...Nd7 20.Ra1+=) 20.Nd4 f4 (20...Ne5 21.Ra1+=) 21.de4+/– de4 22.ef4 e3 23.N2f3 ef2 24.Kf2 Qe3 25.Kf1 Qf4 26.Bd2 (26.Qd2 Qc7+/–) 26...Qg3 (26...Qc7 27.Bc4 Re1 28.Be1+/–) 27.Bc4 Re1 28.Be1 Qc7 29.Qe4 Kf8 30.Bh4 Bd4 (better is 30...Bh8+/–) 31.Qd4+– Qd7?! (31...Nd7+–) 32.Qf4 Na6 33.Ne5 (33.Qf6 Qf5 34.Qe7 Kg7+–) 33...Qf5 34.Qf5 Bf5 35.Nf7 Nb4 36.Nd6 Nd5 (36...Bd3 37.Bd3 Nd3 38.Nb7+–) 37.Nf5 (better is 37.Bg5!? Be6+–) 37...gf5 38.Bd5 (38.Ke2 Ke8+–) 38...cd5 39.Ke2 Kf7 40.Kd3 h6 41.Kd4 Ke6 42.Bg3 h5 43.h4 f4 44.Bf4 Kf5 45.g3 Ke6 46.Be5 1–0. Will,Patrick (2055) – Bakiev,Diyor (1825), 21st Rhein–Main–Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qc2 c6)

6.g3 d5

7.cd5 Nd5 8.a3 Nd7 9.Bg7 Kg7 10.Bg2 e5 11.d3 f5 12.Nbd2 Qe7 13.0-0 N7f6 14.e4 Nc7 15.ef5 Bf5 16.Ne4 (better is 16.Rfe1!?+/–) 16...Rad8+= 17.Nh4 Ncd5 18.Rad1 Ne4?? (better is 18...Bg4 19.Rd2 Nd7+=) 19.de4+– (19.Nf5?! A) 19...Rf5? 20.de4 (20.Be4?! Rf6=) 20...Nb4 21.ab4+–; B) 19...gf5 20.de4 fe4 21.Be4 Nf6=) 19...Nb6? 20.ef5 g5 21.Nf3 Nd5 22.Qb2 Rf5 23.Rfe1 Re8 24.Rd3 Kg6 25.Bh3 Rf6 26.Re5 Qf7 27.Re8 Qe8 28.Qe5 Qe5 29.Ne5 Kg7 30.Nd7 Rf7 31.Be6 Re7 32.Bd5 cd5 33.Rd5 h6 34.Nc5 b6 35.Nd3 Kf6 36.Rd6 (36.Rd6 Re6 37.Re6 Ke6 38.f4+–) 1–0. sagonek – cosnitavasile, kurnik, 2011.

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 Nd7 10.0-0 N7f6 11.a3 Bf5 12.d3 Bg4 13.Nbd2 Qb6 14.Rfe1 Rad8 15.e4 Nc7 16.d4 Kg8 (better is 16...Ne6!?+=) 17.Rad1 e6 18.h3 Bf3 19.Nf3 Nd7 20.Kh2 Ne8 21.Qc3 Ng7 22.Bf1 Nf6 23.Ne5 Nd7 24.Nd7 Rd7 25.Bc4 White intends d5 25...Rfd8 26.d5? cd5 27.ed5 ed5 28.Bf1 Qf2 29.Bg2 d4 30.Qf3 Qf3 31.Bf3 Nf5 32.Bg4 Ne3 33.Bd7 Nd1–+ 34.Rd1 Rd7 35.Kg2 Kg7 36.Kf3 Kf6 37.Ke4 h5 38.Rf1 Ke6 39.Kd3 f5 40.Re1 Kd5 41.Re8 Rd6 42.Re7?! Rc6 43.Rb7? Rc3 44.Kd2 Ra3 45.b5 Ke4 46.Re7 Kf3 47.Re6 Rb3 48.g4 fg4 49.hg4 hg4 50.Rg6 Rb5 51.Kd3 Rd5 52.Kc4 Rd7 53.Kd3 g3 54.Rf6 Kg2 55.Ra6 Kh1 56.Rh6 Kg1 57.Ra6 g2 58.Ra1 Kh2 59.Ra2 Kh1 60.Ra1 g1Q 61.Rg1 Kg1 62.Kd2 d3 63.Kd1 d2 64.Ke2 d1Q 65.Ke3 Qd4 66.Kf3 Rf7 (66...Rf7 67.Ke2 Rf2 68.Ke1 Qd2; 66...Re7 67.Kg3 Re3) 0–1. sagonek – adwa (1680), kurnik, 2011.

5.Qc2 d5

6.cd5 Qd5

7.g3 Nc6 8.a3 a5 9.ba5 Ra5 10.Bg2 Qc5 11.Qc5 Rc5 12.Nc3 Bg4 13.d4? (13.h3 Bd7=) 13...Ra5 (13...Bf3 14.ef3 Nd4 15.Rd1-/+) 14.Ne5 (better is 14.e3!?=) 14...Nd4-/+ 15.Ng4 Ng4 16.h3? (better is 16.Rc1-/+) 16...Nc2–+ 17.Kd2 Na1 18.Ra1 Ne5 19.Ke1 (19.Kc2 Nc4 20.Bc1–+) 19...Nc4 20.Nd1 0–1. sagonek – skarabeusz0 (1625), kurnik, 2011.

7.g3 Nc6 8.a3 Bf5 9.d3 e5 (better is 9...Bg4 10.Bg2 Bf3 11.Bf3 Nd4 12.Bd4 Qd4=) 10.e4+/– Ne4 11.de4 Be4 12.Qd2?? (better is 12.Bc4 Bc2 13.Bd5+=) 12...Bf3–+ 13.Qd5 Bd5 14.Rg1 Nd4 15.Bd4 ed4 16.Nd2 Rfe8 17.Kd1 d3! 18.Rb1 (18.Bd3 Ba1 Discovered attack) 18...Ba2 19.Rc1 Bb2 20.Rc7 Ba3 21.Bd3 Bb4 22.Rb7 a5 23.Kc2? (better is 23.Ne4 Kg7 24.f3–+) 23...Rac8 24.Kb2 Bd5 (24...Bd2?! 25.Ka2 Red8 26.Ba6-/+) 25.Nb1 Bb7 0–1. sagonek – judochess, kurnik, 2011.

7.g3 Bf5 8.d3 Nc6 9.a3 a5 10.b5 Qb5 11.Bg2 a4 12.0-0 Qb3 13.Rc1 Rac8 14.Nbd2 Qc2 15.Rc2 Na5 16.Rac1 c6 17.Nd4 Bg4 18.f3 Bd7 19.Nc4 Nc4 20.dc4 e5 21.e4 ed4 22.Bd4 Rfe8 23.c5 Be6 24.Bf1 Bb3 25.Rd2 Nh5 26.Bg7 Kg7 27.Bc4 Bc4 28.Rc4 Red8 29.Rb2 Rd3 30.Ra4 Rf3 31.Rb7 Rd8 32.Kg2 Rdd3 33.e5 Rfe3 34.Raa7 Rd2 35.Kf1 Rf3 36.Ke1 Rh2 37.e6 Re3 38.Kf1 Ng3 39.Kg1 1–0. sagonek – mikuss, kurnik, 2012.

7.g3 Bg4 8.Bg2 Qb5 9.a3 Nc6 10.d3 a5 11.ba5 Qa5 12.Nbd2 Nd5 13.0-0 Bb2 14.Qb2 Nb6 15.Nc4 Nc4 16.dc4 b6 17.Rfe1 Nd8 18.Ne5 Be6 19.Rec1 Nc6 20.Nc6 Rac8 21.Ne7# 1–0. sagonek – apollo6, kurnik, 2012.

6.cd5 Nd5

7.a3 Bf5 8.d3 Nc6?? (8...Bb2 9.Qb2 Bg4 10.Ne5=) 9.g3?? (better is 9.Bg7 Kg7 10.b5+–) 9...Rc8 10.e4 Bb2 11.Qb2 Bg4 12.Nbd2 Nf6 13.Bg2 Bf3 14.Nf3 Qd3 15.Qe2?? (15.e5!? Nd5 16.b5-/+) 15...Qe2 (better is 15...Qc3 16.Kf1 Qa1 17.Ne1 Rfd8–+) 16.Ke2-/+ Ne4 17.Rac1 Rcd8 18.Nh4 Nd4 19.Ke3 Nf6 20.Rhd1? Ne6 21.Bb7-/+ Rd1 22.Rd1 Rd8 23.Rd8 Nd8 24.Bf3 c6 25.Ng2 Nd5 26.Bd5 cd5 27.Nf4 e6 28.Nd3 Nc6 29.Nc5 Ne5 30.a4 Nc4 31.Kd4 Kf8 32.f4 Ke7 33.b5 Kd6 34.Nb3? Nb6 35.a5 Nc4 36.Nc5 Na5 37.Nd3 Nc4 38.Ne5 Ne5 39.fe5 Kc7 40.g4 Kb6 41.h4 Kb5 42.h5 a5 43.hg6 hg6 44.g5 a4 (44...a4 45.Kc3 Kc5–+) 0–1. sagonek – smola1001, kurnik, 2011.

7.g3 Bf5 8.d3 Nb4 9.Qb3 Bb2 10.Qb2 a5 11.Nbd2 N8c6 12.a3 Nd5 13.e4 (13.Qb7?! Bd7 14.Qb3 e6=) 13...h5? (better is 13...Bg4 14.ed5 Qd5+/–) 14.ef5+– e6 15.Bg2 ef5 16.0-0 Qd6 17.d4 (17.Qb7 Rfb8 18.Nc4 Qf6-/+ (worse is 18...Rb7 19.Nd6 cd6 20.Ne5+=)) 17...f4 (17...Nb6 18.Rfc1+–) 18.Ne5 (18.Qb7 Rfb8 19.Ne4 Rb7 20.Nd6 cd6+=) 18...Ne5 19.de5 Qc6 20.Ne4 fg3 (20...Qb6 21.Qb6 Nb6 (21...cb6?? 22.Rfd1 Nc7 23.gf4+–) 22.Nf6 Kg7+–) 21.Nf6 Kg7 22.Nd5 gh2 23.Kh2 Rad8 24.e6 f6 25.Nf6 Rf7?? 26.Bc6 Rf6 27.e7 Rdd6 28.e8N Kf7 29.Nd6 (29.Nd6 Rd6 30.Qb7 Kf6 31.Rfe1 Rd2 32.Qc7 Rf2 33.Kg3 h4 34.Kg4 Rg2 35.Bg2 g5 36.Qe7 Kg6 37.Re6) 1–0. sagonek – aminim, kurnik, 2011.

7.Bg7 Kg7

8.g3 Nb4?? 9.Qb2 f6 10.Qb4 Nc6 11.Qb2 Be6 12.Bg2 Bd5 13.Nc3 Bf3 14.Bf3 (14.ef3?! Rb8+–) 14...e5 (14...Na5 15.Na4 (15.Bb7?! Rb8=) 15...c6 16.Nc5+–) 15.0-0 (15.Qb7!? Nd4 16.Qa8 Qa8 17.Ba8 Nc2 18.Kf1 Na1+–) 15...Nd4 16.Bg2 h5?! (16...Rb8+–) 17.e3 Ne6 18.Ne2 h4 19.d4 ed4 20.Nd4 (worse is 20.Bb7 d3 21.Nd4 Nd4 22.ed4 Rb8+–) 20...hg3 (20...Nd4 21.Rad1 hg3 22.hg3 Qe7 23.Rd4 c5+–) 21.Ne6 (21.Ne6 Kh6 22.Nd8 gf2 23.Rf2 Rad8 24.Rf6 Rf6 25.Qf6 Rg8 26.Rc1 Rd8 27.Qh4 Kg7 28.Rc7 Rd7 29.Rd7 Kf8 30.Qd8) 1–0. sagonek – przylot, kurnik, 2011.

8.g3 Nc6 9.a3 Bg4 10.Bg2 e5 11.d3 f5 (11...Bf3 12.Bf3 Nd4 13.Qc5 Nf3 14.ef3-/+) 12.0-0 a5 13.ba5 Ra5 14.Nbd2 Qd6 (better is 14...Qf6!?=) 15.Nc4+/– Qe6?? (better is 15...Qc5 16.Rfc1 Bf3 17.Na5 Qc2 18.Rc2 Bg2 19.Nb7 Nd4+/–) 16.Na5 (16.Ng5 Qe7 17.Na5 Nd4+–) 16...Na5? (16...Bf3 17.Bf3 (17.Nb7 Nd4 18.Qc4 Ne2 19.Kh1 Bg2 20.Kg2 f4=) 17...Na5 18.Bd5 Qd5 19.Qc7 Rf7 20.Qb6+–) 17.Qb2 c6? 18.Qe5 Qe5 19.Ne5 Be2 20.Rfe1 Bh5 21.Rab1 Nc3 22.Rb2 Re8 23.h3 Nb5 24.a4 Nd4 25.g4?? fg4+= 26.hg4 Bg4 27.Re4 Ne2? 28.Kh2+– Bh5 29.f3?? Nc3+= 30.Re1 Nd5 31.d4+= Nf4 32.Kg3 Nd5 33.Ree2 h6 34.Ng4 Re2 35.Re2 Bg4 36.fg4 Nc4? 37.Bd5+– cd5 38.Re7 Kf6 39.Rb7 h5 40.gh5 gh5 41.Rb5 Ke6 42.a5 Na5 43.Ra5 (43.Ra5 Kd6 44.Ra6 Ke7 45.Kf4+–) 1–0. sagonek – solaris8, kurnik, 2011.

8.g3 Bf5?? 9.d3?? (better is 9.e4+–) 9...Bg4 10.Bg2 Qd6 11.a3 c6 12.Nbd2 e5 13.0-0 Nd7 14.Nc4 Qe7 15.e4 N5b6 16.Ne3 Be6 17.d4 ed4 18.Nd4 Rfd8 19.Rad1 Ne5 20.Qc3 Kg8 21.Ne6 Qe6 22.Rd8 Rd8 23.Rd1 Rd1 24.Nd1 Nbc4 25.h3 Qd6 26.Ne3 Ne3 27.Qe3 Kg7 28.Kh2 a6 29.Qc3 Kg8 30.f4 (30.f4 Nd7 31.e5+=) 1–0. sagonek – kkkkris, kurnik, 2011.

8.g3 Kg8 9.a3 a5 10.ba5 Ra5 11.Nc3 Nc3 12.Qc3 Qd5 13.Bg2 Qc5 14.Qc5 Rc5 15.0-0 c6 16.Rfc1 Rc1 17.Rc1 Nd7 18.d4 Nb6 19.Rb1 Na4 20.Rb4 Nc3 21.e3 h6 22.Ne5 e6 23.Nd3 Nd5 24.Rb3 Nf6 25.Nc5 b5? 26.Bc6 Ba6 27.Bb5 Bb5 28.Rb5 Ra8 29.a4 Nd5 30.Rb3 Ra5 31.e4 Nf6 32.f3 Kf8 33.Kf2 Ke7 34.Ke3 Kd6 35.Nb7 (35.Nb7 Kd7 36.Na5+–) 1–0. sagonek – jihat13, kurnik, 2011.

8.g3 Kg8 9.a3 Bf5 10.d3 e6 11.Bg2 Qf6 12.Nbd2?? (better is 12.Ra2 Bg4 13.Nbd2+=) 12...Qa1–+ 13.Qd1 (13.Nb1 Bg4–+) 13...Qd1 (better is 13...Qa3 14.e4 Nc3 15.Nb1 Nb1 16.Qb1–+) 14.Kd1 Nc3 15.Ke1 Nb5 16.h3 h5 (16...Na3!? 17.e4 Nc2 18.Ke2 Nb4 19.d4–+) 17.e4 Na3 18.ef5 ef5 19.Kd1 (19.Nd4 Na6 20.N2b3 Nb4–+) 19...c6 20.Re1 Na6 21.d4 Nb4 22.Re3 Nac2 23.Rc3 Rfd8 24.Nb3 a5 25.Rc2 Nc2 26.Kc2 a4 27.Nc5 b6 28.Nd3 a3 29.Kb1 c5! 30.Ka2 Ra4 31.Nc1 cd4 32.Nb3 d3 33.Nfd2 b5 34.Bf1 Ra7 35.Nc5 b4 36.Nd3 Rad7 37.Nb4 Rd2 38.Ka3 Rf2 39.Bc4 Rf3 40.Ka4 Rd4 41.Kb5 Rg3 42.Nc6 Rc4! 43.Kc4 Rh3 44.Ne7 Kg7 45.Nd5 g5 46.Kd4 Rf3 47.Ne7 g4 48.Nc6 h4 49.Ne5 Rf1 50.Nc6 h3 51.Ke3 h2 52.Ne7 h1Q (52...h1Q 53.Nf5 Kf6 54.Nd6 Rd1 55.Ne4 Ke5 56.Nd2 Qe1 57.Kd3 Qd2 58.Kc4 Rb1 59.Kc5 Qc3) 0–1. sagonek – szaszki2 (1690), kurnik, 2011.

5.Qc2 d6

6.d4 Bf5 7.Qb3 a5 8.ba5 Nc6 9.Bc3 Ne4 10.e3 e5 11.Nbd2 (11.Qb7 Nc3 12.Nc3 ed4 13.Qc6 dc3 14.Be2–+) 11...Nc3–+ 12.Qc3 ed4 13.ed4 Re8 (worse is 13...Na5 14.Bd3 Re8 15.Kd1-/+) 14.Be2? (better is 14.Kd1 Bg4 15.Kc2–+) 14...Qe7 (14...Ra5?! 15.Kd1-/+; 14...Na5?! 15.Kf1–+) 15.0-0 Qe2 16.Rae1 Nd4! 17.Nd4 Qe1 (17...Qe1 18.Re1 Re1 19.Nf1 Re4–+) 0–1. caacaacaa (1715) – aboveoeuf (2330), gameknot.com, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qc2 d6)

6.e3 e5 7.Be2 Bf5 8.d3 e4 9.Nd4 ed3 10.Bd3 Bd3 11.Qd3 Re8 12.0-0 Nc6 13.b5 Ne5 14.Qc2 Ned7 15.Rd1 Ne4 16.Nd2 Nd2 17.Rd2 Nc5 18.Rad1 Qh4 19.Nf3 Qe7 20.Bg7 Kg7 21.Rd5 Qe4 22.Qc3 Kg8 23.h3 a6 24.Ng5 (better 24.a3!?=) 24...Qe7-/+ 25.Qd4 (25.Nf3!? ab5 26.cb5 Ra2 27.b6 cb6 28.Qc4=+) 25...ab5-+ 26.Qh4 f6 27.Nh7? (better 27.Nf3 Ra4 28.R5d4 bc4 29.Rc4 Ra2 30.Rb1-+) 27...Qh7 28.Qf6 Qg7 (28...Rf8 29.Qb2 bc4 30.R5d4-+) 29.Qh4? (better 29.Qg7 Kg7 30.cb5 Ra2 31.b6-+) 29...bc4 30.R1d4 (30.Qc4 Ra4 31.Qc2 Rea8-+) 30...c3 (worse 30...Ra2 31.Rc4 b5 32.Rf4-+) 31.Rc4 (31.Rd1 Ra2 32.Qc4 Ra4-+) 31...b5 32.Rcc5 dc5 33.Rc5 b4 (better 33...Ra2 34.Kh2 c2-+) 34.Qb4 Rab8 (better 34...Ra2!? 35.Qc4 Qf7 36.Qf7 Kf7 37.Rc7 Re7 38.Rc3-+) 35.Qc4 Kf8 (35...Qf7!? 36.Qf7 Kf7 37.Rc7 Ke6 38.Rc6 Kd5 39.Rc3 Rb1 40.Kh2-+) 36.Rc7-/+ Rb1 (36...Qf6!? 37.Qc5 Kg8 38.Qc4 Re6-+) 37.Kh2=+ Qe5 38.g3?? (better 38.f4 Qf6 39.Rc6=) 38...Qf6 39.Qc5 Kg8 (better 39...Re7!? 40.Rc8 Kg7 41.Qc3 Qc3 42.Rc3-+) 40.Qd5-/+ Kh8 41.Rf7 Qe6?? (better 41...c2 42.Rf6 c1Q-+) 42.Qd4 Qe5 43.Qh4 Qh5 (43...Qh5 44.Qf6 Kg8 45.Qg7) 0-1. bjoernsen (2405) - esmaeili (2410), Rated blitz game, lichess.org, 2016.

6.e4 Na6 7.a3 c5 8.b5 Nc7 9.Be2 Ne6 10.0-0 a6 11.Nc3 ab5 12.cb5 Qd7 13.Rfc1 Nf4 14.Bf1 Qg4 15.Kh1 Qh5 16.Rab1 =+.

6.e4 c5 7.a3 Qb6 8.bc5 dc5 9.Be2 Rd8 10.0-0 Bg4 11.Nc3 Nc6 12.Rab1 Bf3 13.Bf3 Nd4 14.Qd3 Qa6 15.Be2 Qd6 16.f4 =+.

6.e4 e5 7.h3 Nh5 8.g4 Nf4 9.Nc3 Nc6 10.a3 a5 11.b5 Ne7 12.Ne2 Ne6 13.Ng3 c6 14.a4 Qc7 15.Rc1 Bd7 16.Qb1 Nc5 17.Qa2 f5 18.ef5 gf5 19.g5 Be8 20.d4 Ne4 21.b6 Qb8 22.Ba3 Ng3 23.fg3 e4 24.Bd6 Qd6 25.c5 Bf7 26.Qf7 Kf7 27.cd6 Ng6 28.Ne5 Ne5 29.de5 Be5 30.g4 f4 31.Bc4 Ke8 32.Be6 e3 33.Ke2 Bd6 34.Kf3 Rd8 35.Bf5 Rh8 36.h4 Be5 37.Rc5 Rd5 38.Rhc1 1–0. Lesiak,Pawel – Tomann,Daniel, KSV–CH, 1993.

6.h4 Bf5 7.d3 a5 (7...Na6 8.b5 Nc5 9.e4=+) 8.a3 (8.b5 Bg4=+) 8...ab4 9.ab4 Ra1 10.Ba1 c5 11.b5 d5 (11...Nbd7 12.e4 Bg4 13.Ng5=+) 12.e3 (12.cd5 A) worse 12...Qd5 13.e4 Ne4 A1) 14.de4?! Be4 15.Qa4 Ba1 (worse 15...Bb1 16.Bg7 Kg7 17.Qa1 e5 18.Qb1+/-) 16.Qa1 Bf3 17.gf3 Rd8+=; A2) 14.Bg7 Nf2 15.Bf8 Nh1 16.Bh6+/-; B) 12...Qa5 13.Bc3 Qb5=) 12...d4 (12...dc4 13.Qc4 Nbd7 14.Be2=+) 13.ed4= Ng4 14.Be2 cd4 15.0-0 (15.Nbd2 e5=) 15...e5=+ 16.Nbd2 Nd7 17.Re1 Nc5 18.Ng5 (18.Bb2 Qc7=+) 18...h6 19.Bg4 (19.Ngf3 Qd6=+) 19...Bg4 (19...Bd3 20.Qd1 hg5 21.Bb2 gh4 22.Ba3-+) 20.Nge4 (20.Ngf3 Qc7-/+) 20...Ne4 21.Ne4 Qh4 22.c5 Be6 23.Nd6 Bd5 24.c6 bc6 25.bc6 Qe7 26.Nb5?? (better 26.Qc5 Be6 27.Re5 Be5 28.Qe5=+) 26...Rc8-+ 27.c7 Qd7 28.Rb1 Bc6 29.Na7 Rc7 30.Rb8 Kh7 31.Nc6 Rc6 32.Qd2 Qc7 33.Rb1 Rc2 34.Qe1 (34.Qd1 Bf6-+) 34...Qd7 (34...Ra2 35.Rc1 Qa5 36.Qf1-+) 35.Qd1 Ra2 36.Rb2 (36.Bb2 Qa4 37.Qa4 Ra4-+) 36...Ra6 (36...Qa4 37.Qa4 Ra4 38.Rb1-+) 37.Rb1 Rf6 38.Bb2 Rf5 (38...Rb6 39.Ba3 Rb1 40.Qb1-+) 39.Qe2 Rg5 40.Re1 h5 (40...Qc6 41.f3-+) 41.f3 (41.Bc1 Rg4-+) 41...h4 42.Bc1 Rf5 43.Qe4 Qe7 (43...Rh5 44.f4-+) 44.Qg4 (44.Qd4!? Rh5 45.f4-+) 44...Qf6 45.f4 ef4 46.Rf1 (46.Re4 Bh6-+) 46...g5 47.Qh5 Qh6 48.Qg4 Rf6 49.Re1 Qg6 50.Re4 (50.Rf1 Qd3 51.Qg5 h3 52.Qh5 Rh6-+) 50...Bh6 (better 50...Re6!? 51.Re6 fe6 52.Ba3-+) 51.Bb2 (51.Rd4 Rc6 52.Bd2 Rc2-+) 51...Rb6 (51...Re6!? 52.Rd4 Bg7 53.Rd5-+) 52.Bd4 Rb1 53.Kh2 (53.Kf2-+) 53...Rb3?? (better 53...Bg7 54.Qh3 f3-+) 54.Re8-/+ Bg7 (worse 54...Qd3 55.Rh8 Kg6 56.Rg8 Kh7 57.Rh8 Kg6 58.Rg8 Kh7 59.Rh8=) 55.Bg7 Kg7 56.Qf3?? (better 56.Qc8 Qd6 57.Rd8=+) 56...Rd3 57.Qf2 Rg3 (better 57...Qf6 58.Qe2 Rc3-+) 58.Qb2 Qf6 59.Rg8! Kg8 60.Qf6 Kf8 61.Qh6 (61.Qh8 Ke7+-) 61...Ke7 62.Qg7 Ke6 63.Qf8 f6 64.Qe8 Kf5 65.Qe7 (65.Qc8 Ke5 66.Qc5 Ke6 67.Qc6 Ke5+/-) 65...Kg6 (65...f3 66.Qc5 Kf4 67.Qd4 Kf5 68.Qd5 Kf4 69.gf3 Rf3 70.Qd4 Kf5 71.Qd7 Ke4 72.Qe6 Kd3 73.Qe7=) 66.Qe6 (66.Qe4 Kf7+/-) 66...Re3 (66...g4!?+=) 67.Qd6 Re5 68.Qd3 Kh6 69.Qc2 Re3 70.Qc6 Kg6 71.Qd7 Re5 72.Qd8 Kf5 73.Qf8 Re3 74.Qf7 Re5 75.Qh7 Ke6 76.Kh3 Re3 77.Kg4 Rg3 78.Kh5 Rg2?? (78...h3 79.Qe4 Kd6 80.Qd4 Ke6 81.Qb6 Kd5 82.Qd8 Ke4 83.Qe7 Kd3 84.Qd7 Ke2 85.gh3 f3 86.Qe6 Kf1 87.Qf6 Kg2+/-) 79.Kg6 (better 79.Qe4 Kd6 80.Qg2+-) 79...Rg3=+ 80.Qf7 Ke5 81.Qf6 Ke4 82.Qe6 (82.Qa1!?=) 82...Kf3-/+ 83.Kf5 Kg2 84.Qe4?? (84.Qa2 Kg1 85.Qb1 Kh2 86.Qa2 Rg2 87.Qd5=+) 84...f3-+ 85.Qd5 Kg1 (better 85...h3-+) 86.Qd1= Kh2 87.Qe1?? (87.Qd2 Rg2 88.Qd6 Kh3=) 87...g4 (87...Kg2 88.Qd2 f2-+) 88.Qf1? (better 88.Qf2!? Rg2 89.Qh4 Kg1 90.Qe1 Kh2 91.Qe5 Kg1 92.Qa1 Kh2 93.Kf4=) 88...Rg2 (88...h3 89.Qf2 Rg2 90.Qf1-+) 89.Kf4 (89.Kg5 h3 90.Kh4=) 89...f2?? (89...h3 90.Kf5 Rg1 91.Qf2 Kh1=) 90.Kg5 g3?? (better 90...h3=) 91.Kh4 Rg1 92.Qh3 1-0. Kabanova,E (2135) - Bodnar,N (2430), Titled Tuesday 9th Mar, 2021. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

6.h4 h5 7.Ng5 (7.Nc3 Nc6 8.Qb3 Bf5=+) 7...a5 (7...a6 8.d4=+) 8.a3 (8.b5 a4=) 8...ab4 9.ab4 Ra1 10.Ba1 Bf5 (10...Nc6 11.b5 Ne5 12.e3=+) 11.d3 e5 (11...Nc6 12.Bc3-/+) 12.e4 Bd7 (12...Bg4 13.Be2=+) 13.Be2 Nc6 14.b5 Nd4 15.Bd4 ed4 16.Nd2 Qa8 (16...c5 17.0-0=+) 17.0-0= Qa7 18.Qb2 (18.Nb3 Qb6=) 18...Ra8=+ 19.Qd4?? (better 19.Ngf3=+) 19…Qd4-+ 0-1. Kabanova,E (2135) - Garcia Garcia,Alejandro (2245), Titled Tuesday, 2021. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Qc2)

6.g3 Nc6

7.a3 e5 8.d3 Bf5 9.e4 Bg4 10.Bg2 Qc8 11.0-0 Ne7 12.Nbd2 c6 13.d4 ed4 14.Nd4 Bh3 15.f3 Bg2 16.Kg2 Qc7 17.Rac1 Rfd8 18.Rfe1 Rac8 19.N4b3 White prepares e5 19...Qd7 20.e5 de5 21.Be5 Nf5 22.Bf6 Bf6 23.Ne4 Bg7 24.Rcd1?? Qc7 25.Kf2 h5 26.c5 h4 27.Rd3 Rd3 28.Qd3 Rd8 29.Qc4 Nd4 30.Nd4 Rd4 31.Qc2 h3 32.Rd1 Qe5 33.Kf1 Qd5 34.Rd4 Bd4 35.Nd6?? Qf3–+ 36.Ke1 Bc3 (36...Bc3 37.Qc3 Qc3 38.Ke2 Qb2 39.Kd3 Qh2–+) 0–1. sagonek – hater15 (1880), kurnik, 2011.

7.b5 Na5 8.Bg2 c6 9.a4 c5 10.0-0 Rb8 11.d4?? (11.d3 Bf5+=) 11...b6?? (11...Bf5!? 12.Qd1 Nc4-/+) 12.dc5 (12.Nbd2 cd4 13.Nd4 Qc7=) 12...dc5 (better is 12...Bf5 13.e4 Be4+= (worse is 13...Ne4 14.Bg7 Nf6 15.Qe2 Kg7 16.c6+=)) 13.Nbd2 Bf5 14.e4 Be6 15.Rad1 Qc8 16.Rfe1 Ne8 17.Nb3 Nc4 18.Bg7 Ng7 19.Ng5 h6 20.Ne6 Ne6?? 21.Qc4+– Ng5 22.Rd2 Qe6 23.Qe6 Ne6 24.Red1 Rfd8 25.Nc1 Rd2 26.Rd2 Rd8 27.Rd8 Nd8 28.f4 f6 29.Kf2 Kf7 30.Ke3 e5 31.fe5 fe5 32.Nd3 Ke6 33.Nb2 Nf7 34.Nc4 Ng5 35.a5 ba5 36.Na5 Kd6 37.Nc6 a6 38.Ne5! ab5 39.Ng6 Ne6 40.e5 Kc7 41.Nf4 Nd4 42.Bf1 Nc2 43.Kd2 Na3 Black prepares c4 44.Kc3 Kb6 45.Kb3 b4 46.Nd3 c4 47.Kb4 cd3 48.Bd3 1–0. sagonek – mietz, kurnik, 2012.

6.g3 e5

6.g3 Bf5

7.d3 e5 8.Bg2 e4 9.Nh4 (9.de4 Be4 10.Qa4 Nbd7+=) 9...ed3-/+ 10.ed3 Re8 11.Kf1 (11.Kf1 Bc8 12.Nd2-/+). Czekaj,Christophe – Malpass,Ian (1800), FICGS, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qc2 d6 6.g3 Bf5)

5.Nc3 b6

6.e3 Bb7

7.d4 c5 8.bc5 bc5 9.Be2 cd4 10.ed4 d6 11.0-0 Nbd7 12.Rb1 Qa5 13.Qd2 Nb6 14.Qf4 Bf3 15.Qf3 Rac8 16.Bc1 Nc4 17.Rb5 Qd8 18.Rb7 Nd7 19.Qh3 Ndb6 20.Ra7 Bd4 21.Nb5 Bg7 22.Be3 Ne5 23.Rd1 Ra8 24.Ra8 Na8 25.f4 Nc6 26.Bf3 Nb4 27.a4 Nb6 28.Bd2 Na4 29.Kh1 Nd3 30.Be3 Nab2 31.Rf1 Qa5 32.Nd4?? e6 33.Be2 Nc5 34.Qf3 d5 35.Nc6 Qa3 36.Ne5 Ne4 37.Bc1 Qb4 38.Qe3 Ra8 39.Qg1 Na4 40.Be3 Nac3 41.Bf3 Ra2 42.Rc1 Be5 43.fe5 Kg7 44.Qe1 d4 45.Bh6 Kh6 46.Be4 Kg7 47.Bd3 Qb2 48.Bf1 Ra5 49.Qh4 Nd5 50.Qe1 Ne3 51.Rb1 Qc3 52.Qg3 Qc5 53.Bd3 Qe5 54.Qf3 Ra2 55.g4 (55.Rg1–+) 0–1. Dergatschova Daus,Anna (2220) – Mikhalchishin,Adrian (2530), Sparkasse GM, 1998.

7.d4 d6 8.Be2 Nbd7 9.Qb3 c6 10.Rd1 a6 11.0-0 Qc7 12.Rd2 e5 13.de5 de5 14.Rfd1 Rad8 15.a3 c5 16.b5 a5 17.Na4 Ne4 18.Rd3 f5 19.h4 (19.Qa2!?+=) 19...h6 20.h5 g5 21.Nd2 Kh7 (21...Nef6 22.Nf1=) 22.Ne4+= Be4 23.Rd6 Rf6? (23...g4 24.Qc3 Rf6 25.Qd2 Rd6 26.Qd6 Qd6 27.Rd6+/-) 24.R6d2 (better 24.Be5 Rd6 25.Bd6+-) 24...Rf7 25.f3 Ba8 26.Qc2 e4 27.Bg7 Rg7 28.Rd6 ef3?? (better 28...Rf8+=) 29.Qf5+- Kg8 30.Qe6 Kh7 (30...Rf7 31.gf3 g4 32.Qh6+-) 31.Qh6 (31.Bd3 Kh8 32.Bf5 f2 33.Kf2 Bb7 34.Qh6 Kg8 35.Be6 Rf7 36.Bf7 Kf7 37.Qh7 Kf8 38.Qf5 Kg8 39.Rg6 Kh7 40.Qf7 Kh8 41.Rh6) 31...Kg8 32.Qe6 Kf8 33.gf3 g4 (33...Re8 34.Qf5 Rf7 35.Qf7 Kf7 36.Rd7 Qd7 37.Rd7 Ke6 38.Nb6 Rf8+-) 34.fg4 Qb7 (34...Rf7 35.Qh6 Rg7 36.Nb6 Kg8 37.Qe6 Rf7 38.Nd7 Rdd7 39.Qe8 Rf8 40.Qd7 Qd7 41.Rd7 Be4+-) 35.Rf1 Nf6 (35...Qf3 36.Bf3 Re7 37.Be4 Nf6 38.Rd8 Re8 39.Qe8 Kg7 40.Qg6) 36.Rf6 (36.Rd8) 36...Rf7 37.Rd8 Kg7 38.Rf7 (38.h6 Kh7 39.Qf5) 38...Qf7 39.Qf7 (39.h6 Kh7 40.Bd3 Be4 41.Be4 Qg6 42.Qg6) 39...Kf7+- 40.Ra8 (40.Ra8 Kf6 41.Nb6 Ke7 42.g5 Ke6 43.Bg4 Ke5 44.Re8 Kd6 45.Nd5 a4 46.b6 Kc6 47.Bc8 Kd6 48.Re6) 1-0. bjoernsen (2415) - checkmamy (2435), Rated blitz game, lichess.org, 2020.

6.g3 c5

7.bc5 bc5 8.Bg2 Nc6 9.0-0 Rb8 10.Rb1 Qa5 11.d3 Rb2 12.Rb2 Qc3 13.Rb3 Qa5 14.Rb5 Qa3 15.Qd2 d6 16.Rfb1 Nb4 17.Rb3 Qa2 18.Qa2 Na2 19.Ra3 a6 20.Rb8 Nb4 21.Nd2 Bg4 22.Rf8 Kf8 23.Kf1 Ne8 24.Ne4 Nc7 25.Nc3 Bc3 26.Rc3 Bd7 27.Ra3 Bc6 28.Bc6 Nc6 29.e3 e5 30.h4 h5 31.Ke2 Ke7 32.Ra1 Nb4 33.f3 d5 34.g4 dc4 35.dc4 Ne8 36.gh5 gh5 37.Rg1 f6 38.Rg8 Nd6 39.Rh8 Nc4 40.Rh5 a5 41.Rh7 Kf8 42.Rc7 Nd5 43.Rc5 Nce3 44.Ra5 Ng2 45.Kf2 Ndf4 46.Ra6 Kg7 47.h5 Nh4 48.h6 ½–½. Eberlein – Wollrab,R, SK SchwSb. Hall – Heilbronner SV, 2002.

5.Nc3 c6

6.Qb3 d5 7.e3 Re8 ½–½. Alvarez Castillo,Hector (2200) – Bravo,Jose Maria (2060), Torre Blanca op, 1997. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6)

6.d4 d5 7.c5 Bg4 8.e3 Nbd7 9.h3 Bf3 10.gf3 e5 11.Ne2 Nh5 12.Rg1 a5 13.a3 Re8 14.Ng3 Qh4 15.Ne2 (15.Nh5 Qh5 16.Rg3 f5-/+) 15...ab4 (better is 15...ed4!? 16.Bd4 Bd4 17.ed4 ab4–+) 16.ab4=+ Ra1 17.Qa1 f5 18.Bc3 ed4 19.Bd4 Bd4 (19...Ne5 20.Be5 Be5 21.Qa3-/+) 20.Qd4=+ Qd4 (20...f4!?=+) 21.Nd4= Kf7 22.Kd2 Ra8 23.Be2 Nhf6 24.Nc2 b6 25.cb6 Nb6 26.Ra1 Ra1 27.Na1 Ke6 28.Nb3 Kd6 29.Kd3 Nfd7 30.Kd4 Na4 31.Bd1 Nb2 32.Bc2 Ne5 33.Nd2 Nbc4 34.f4= Nd2 35.fe5 Kd7 36.Bd1 Ne4 37.f3 Nf2 38.Ba4 Nh3 39.Kc5 Ng5? 40.Bc6+– Ke6 41.Bd5 Ke5 42.f4 Kf6 1–0. Bousios,Hristos – Efstathiou,Damianos, GRE–ch sf U18, 1976.

6.g3 e6 7.Bg2 d5 8.c5 Nbd7 9.d4 b6 10.0-0 bc5 11.bc5 a5 12.a4 Ba6 13.Re1 Bc4 14.e3 Nb8 15.Nd2 Bd3 16.Nb3 Bc4 17.Qc2 Na6 18.Na2 Nb4 19.Nb4 ab4 20.Nd2 Ba6 21.a5 Rb8 22.Nb3 Bc4 23.Bc1 Qc7 24.Bd2 Qb7 25.Reb1 Qb5 26.Bf1 Bf1 27.Rf1 Rb7 28.Rfb1 Rfb8 29.a6 Ra7 30.Ra5 Qe2 31.Nc1 Qf3 32.Rb4 Rb4 33.Bb4 Ne4 34.Be1 h5 35.Qe2 Qf5 36.Ra2 Qh3 37.Qf1 Qg4 38.Rb2 Ng5 39.Qg2 Nf3 40.Kh1 Ne1 41.Qf1 Qf3 42.Kg1 Ra6 43.Rb1 Qe4 44.Nb3 Qb1 45.h3 Nf3 46.Kg2 Qf1 47.Kf1 Ng5 48.Kg2 Ra2 49.h4 Ne4 50.Nc1 Rf2 51.Kg1 Rf3 52.Kg2 Rg3 53.Kf1 Rg4 54.Ke2 Rh4 55.Kd3 Ng3 56.Kc2 1–0. kannisogoet – vasilearhip59, kurnik, 2012.

6.e3 d5

7.c5 a6 8.Nd4 (8.d4!?=) 8...e5 9.Nb3 e4 (9...d4 10.Na4=) 10.Nd4 (10.Be2 Nbd7=) 10...Nh5 11.Be2 (11.Na4 Nd7=) 11...Nf6 (11...Bd4 12.ed4 Nf4 13.g3 Ne2 14.Qe2=+) 12.Na4 (12.0-0 a5 13.a3 ab4 14.ab4 Ra1 15.Qa1 Nfd7+=) 12...Nbd7 13.Rb1 Ne8 14.0-0 Nc7 15.f4 (15.Nc2 f6+=) 15...ef3 (15...Qh4!?=) 16.Nf3+= Bb2 17.Nb2 Qe7 18.Nd3 Nf6 19.Nd4 Ne4 20.Bf3 (20.Nb3 Re8+=) 20...Nb5 21.Nb5 (21.Nb3 Bf5 22.Qe2 Ng5=) 21...ab5= 22.Qc2 Bf5 23.Qb2? (23.Ra1 Rfe8=) 23...Ra4 (better 23...Ng3 24.Nf2 Nf1 25.Rf1 Ra7-+) 24.Nf2?? (better 24.Bd1 Ra6 25.Ra1=) 24...Nf2-+ 25.Rf2 Bb1 26.Qb1 Rfa8 27.e4 (27.a3 Qe5 28.g4 Ra3-+) 27...de4 28.Be4 (28.Re2-+) 28...Ra2 29.Qd3 R8a3 (better 29...Ra1 30.Rf1 Rf1 31.Kf1-+) 30.Qd6 (30.Qd4-+) 30...Ra1 31.Rf1 Rf1 32.Kf1 Qe4 33.Qb8 (33.h3-+) 33...Kg7 34.Qb7 Ra1 (34...Qd3 35.Kg1 Ra1 36.Kf2 Rf1) 35.Kf2 Qf4 36.Ke2 Qf1 37.Ke3 Qg2 (37...Re1 38.Kd4 Qc4) 38.Qc7 Re1 39.Kd3 Qe4 40.Kc3 Qe5 (40...Rc1 41.Kb3 Qc2 42.Ka3 Ra1) 41.Qe5-+ Re5 42.Kd4 Rd5 43.Ke3 f5 44.d4 Kf6 45.h4 h6 46.Kd3 g5 47.hg5 hg5 48.Ke3 f4 (48...f4 49.Kd3 g4 50.Kc2 g3 51.Kb1 Rd4 52.Kc2 g2 53.Kc3 g1Q 54.Kc2 Qd1 55.Kb2 Rb4 56.Kc3 Rb3) 0-1. DoumBlanchette (1905) - montignien (2010), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0)

7.c5 g5 8.b5 (8.Ng5 e5+=) 8...Bg4 9.Be2 Ne4 10.d4 Bf3 11.Bf3 Nc3 12.Bc3 cb5 13.Qb3 b4 14.Bb2 e6 15.0-0 Nc6 16.a3 a5 17.Qd3 b6 18.Qb5 Qd7 (18...Qd7 19.cb6 Rab8 20.ab4 ab4+=). Pelaez,Hernan (1895) – Saladen Dulce,Rafael (2195), Coliseo Menor COL, Open, 2011.

7.Be2 Qd6 8.Qb3 dc4 9.Qc4 e5 10.a3 Be6 11.Qh4 h6 12.d4 Nbd7 13.de5 Ne5 14.Rd1 Nf3 15.Bf3 Qc7 16.0-0 (16.Ne4 Ne4 17.Bg7 Kg7 18.Qe4 Rfe8=) 16...Bb3 17.Rc1 Qd6 18.b5 g5 19.Qb4 Qb4 20.ab4 Bc4 (20...g4 21.Bd1 Bc4 22.Be2 Be2 23.Ne2 cb5 24.Ng3+=) 21.Rfd1 (21.bc6 bc6 22.Rfd1+/– (22.Bc6?! Rac8 23.b5 Bf1 24.Kf1 Rfd8=)) 21...g4= 22.Ne4 Bb5 23.Nf6 Bf6 24.Bf6 gf3 25.gf3 Kh7 26.h4 Rg8 27.Kh2 a5 28.ba5 Ra5 29.Rg1 Rg6 30.Bd4 Be2 31.Rg6 Kg6 32.Rg1 Kh5 33.Rg7 Rf5 34.f4 Rb5 35.Rf7 Kg4 36.Rg7 Kf3 37.Rg3 Kf2 38.e4+/– Ke1 39.f5 Bh5 40.e5 Ke2 41.Rg6 Kd3 42.Rd6 Rd5 43.Rd5+/– cd5 44.e6 Bg4 45.e7 Bh5 46.Bg7 d4 47.Kg3 b5 48.Bh6 b4 49.Bc1 Kc2 50.Kf4 Kc1 51.Kg5 Be8 52.h5 d3 53.h6 d2 54.h7 d1Q 55.h8Q Qg1 56.Kf4 Qf2 57.Kg4 Qe2 58.Kf4 Qe7 59.Qa1 Kd2 60.Qa2 Kc3 61.Qa1 Kc4 62.Qf1 Kc5 63.Qc1 Kb6 64.Qb2 Qh4 65.Kf3 Bc6 66.Ke3 Qe4 67.Kd2 Qg2 68.Kc1 Qb2 69.Kb2 Bd5 (69...Bd5 70.f6 Bf7–+) 0–1. Arni,Julian Kirsten (2225) – Giaccio,Alfredo Gustavo (2480), Sao Jose do Rio Preto, 2004. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6)

6.g3 d5

7.c5 Nbd7 8.d4 Ne4 9.Bg2 Nc3 10.Bc3 Re8 11.0-0 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Re5 15.e3 Re8 16.a4 a6 17.Qd3 Bf5 18.Qc3 Be4 19.Rfd1 Bg2 20.Kg2 Qe7 21.Qd3 Qf6 22.Ra2 Re4 23.Qd2 Rae8 24.Rb2 Rc4 25.Rc1 Rc1 26.Qc1 Qe5 27.Kg1 Qe4 28.Qd2 Qc4 29.Qd4 Qc1 30.Kg2 Re4 31.Qd2 Qc4 32.f3 Re8 33.Rc2 Qb3 34.Ra2 Re3 35.a5 Rd3 36.Qf2 Qb4 37.Rb2 Qa5 38.Rb7 Rc3 39.Qb2 Qc5 40.Kh3 h5 41.Rb8 Kg7 42.Rb3 d4 43.Qa1 a5 44.Rb2 Qd5 45.Ra2 c5 46.Ra5 Rf3 47.Qe1 Re3 48.Qf1 Qe6 49.Kg2 c4 50.Ra7 d3 51.Qf4 Re2 52.Kf3 Qd5 53.Qe4 Qe4# 0–1. kannisogoet – tedii5456, kurnik, 2012.

7.d3 dc4 8.dc4 Qd1 9.Rd1 Be6 10.c5 Na6 11.Bg2 Nb4 12.0-0 Na2 13.Na2 Ba2 14.Rd2 Bc4 15.Rfd1 Bb3 16.Rb1 Ba4 17.Ra1 Bb5 18.Nd4 Ba6 19.Nb3 Rfd8 20.Rad1 Kf8 21.Rd8 Rd8 22.Rd8 Ne8 23.Bg7 Kg7 24.Re8 e6 25.e3 Kf6 26.Rd8 Bc4 27.Na5 b6 28.Nc6 bc5 29.Na7 Bb3 30.Nb5 c4 31.Rc8 Ke7 32.Nc3 Kd7 33.Rf8 f5 34.Bf1 Kc6 35.Bc4 Bc4 36.Rf7 Kc5 37.Rh7 Kb4 38.Nd1 g5 39.Rd7 g4 40.Rd4 Kb3 41.Rc4 Kc4 42.Kf1 Kb3 43.Ke2 e5 44.f3 Kc2 45.Nf2 gf3 46.Kf3 Kd2 47.e4 fe4 48.Ke4 Ke2 49.Ng4 Kf1 50.h4 Kg2 51.h5 Kg3 52.h6 Kg4 53.h7 Kg5 54.h8Q Kg6 55.Qe5 Kf7 1–0. kannisogoet – niepis, kurnik, 2012.

7.d3 e6 8.Bg2 b6 9.0-0 Bb7 10.Rc1 Nbd7 11.a4 Rc8 12.b5 c5 13.cd5 Nd5 14.Qd2 Nc3 15.Bc3 Bc3 16.Qc3 Qf6 17.Qf6 Nf6 18.Ne5 Bg2 19.Kg2 Rcd8 20.Nc6 Rd7 21.Rfd1 Rc8 22.Ne5 Rd5 23.Nc6 Kf8 24.Na7 Ra8 25.Nc6 Ra4 26.Rb1 Ne8 27.h3 Nc7 28.Rb2 h5 29.h4 c4-/+ 30.Kh3 cd3 31.Rd3+= Rd3 32.ed3 Nd5 33.Rb3 Kg7 34.Ne5 Kf6 35.Nc4 Ra2 36.Kg2 g5 37.hg5 Kg5 38.d4 f6 39.Nd6 f5 40.Nf7 Kf6 41.Ne5 Rd2 42.Ra3 Rd4 43.Nf3? Rb4–+ 44.Ra8 Rb5 45.Rh8 Rb2 46.Rh5? b5 47.Rh6 Kf7 48.Ne5 Kg7 49.Re6 b4 50.Rd6 Ne3 51.Kf3= Ng4 52.Ng4 fg4 53.Kg4 b3 54.Rb6+/– Rf2 55.Rb3 1–0. svencissi (1700) – jacekmpl (1710), kurnik, 2012. (=1.c4 Nf6 2.b4 g6 3.Nc3 Bg7 4.Nf3 0-0 5.Bb2)

5.Nc3 d5

6.e3 (--> 5.e3 d5 6.Nc3).

6.cd5 Nd5

7.Qb3 Nc3 8.Bc3 Be6 9.Qb2 Bc3 10.dc3 a5 11.Rd1 Qe8 12.Nd4 Bc4 13.b5 (13.ba5 Qa4+=) 13...Nd7 14.a4 (14.e4 Bf1 15.Rf1 e5=) 14...Nc5 15.h4? (better 15.Qa3!? b6 16.e3 Bf1 17.Rf1=+) 15...e5 16.Nf3 Na4 17.Qa3 Nb6 (17...Qb5 18.Ra1 Nc5 19.h5-+) 18.Qc5 a4 (18...Qb5 19.Qe5 a4 20.h5 Qe5 21.Ne5-+) 19.Ne5 Bb3 20.Ra1 Nd7 21.Nd7 Qd7 22.h5 Rad8 23.f3 Qd2 24.Kf2 Qd6 25.Qg5 Qb6 26.Kg3 (26.e3 f6 27.Qg4 Rd2 28.Kg3 Qd6 29.Qf4 Qf4 30.ef4 Rfd8-/+) 26...Qd6 (26...f6 27.Qf4 g5-+ (worse 27...Qb5 28.hg6 hg6 29.Qc7-/+)) 27.f4?? (27.Kf2 f6 28.Qc1 Qd2-/+) 27...Bc2 (27...Qd2 28.Qf6 Rd6 29.Qe5-+) 28.Qh6 (28.hg6!? fg6 29.e3-/+) 28...Qf6 29.e3? (29.Ra3 Bb3 30.hg6 Qc3 31.Kf2 Qc5 32.e3 Qc2 33.Be2 Qg6 34.Qg6 hg6-/+) 29...Bf5 (better 29...Qc3!? 30.Be2 Qe3 31.Bf3 Rd7-+) 30.Ra4 Rd2?? (30...Qc3 31.Be2-/+) 31.Bc4?? (better 31.hg6 Bg6 32.Rc4+/-) 31...Be4?? (better 31...Qc3 32.hg6 Qe3 33.Kh2 hg6-/+) 32.Bf7!+- Rf7 (32...Qf7 33.Re4 Discovered attack; 32...Rf7 33.Re4 Discovered attack; 32...Kf7 33.hg6 Double attack (33.Re4 Discovered attack)) 33.Re4 Rf8? (better 33...Rg7 34.Kf3 Rg2+-) 34.hg6 Qg6 35.Qg6 hg6 36.Re7 g5 (36...Rd3 37.c4 Rc3 38.Kg4 Rc4 39.Kg5+-) 37.Rhh7 (37.fg5?! Rf5 38.Ra1 Rg5 39.Kh4 Rg7 40.Rg7 Kg7+-) 37...gf4 38.ef4 Rd3 39.Kg4 (39.Kg4 Rf6 40.Reg7 Kf8 41.Rc7+-) 1-0. is_er_nog_hoop (2550) - Ashot2001 (2455), Rochade Europa Bullet Prize Arena, lichess.org, 2020.

7.e3 Nc3 8.Bc3= Bc3 9.dc3 Qd1 10.Rd1 Bg4 11.Be2 Bf3 12.Bf3 c6 13.b5 a6 14.bc6 Nc6 15.Rd7 Rab8 16.Ke2 Rfc8 17.Rb1 Attacks the backward pawn on b7 17...Ne5 (17...b5 18.Be4+=) 18.Rdb7 (18.Re7 Nf3 19.Kf3 Rc3 20.Rbb7 Rb7 21.Rb7 Rc2+=) 18...Rb7+= 19.Bb7 Rc3 20.Kf1 (20.Rb2 Nd3 21.Kd2 Ra3+=) 20...Ra3 21.Rb2 Nd3 22.Rd2 (22.Rb3!? Rb3 23.ab3=) 22...Nb4=+ 23.h4 (23.e4 Na2 24.Rd7 Nc3-/+) 23...Kg7 24.g3 (24.e4 Na2 25.Rd7 Nc3-/+) 24...e6 25.Kg2 (25.e4 Na2 26.e5 a5-/+) 25...a5 26.Bc8 Nd5?? (better 26...Ra2 27.Ra2 Na2-+) 27.Bd7 h5 28.Bc6? (better 28.Be8!?=) 28...Nb4-/+ 29.Be4 (29.Be8 Kf8 (29...Na2? 30.Rd7+-; 29...Ra2?! 30.Rd7=) 30.Bb5 Ra2 31.Rd8 Ke7 32.Rd7 Kf6-/+) 29...Ra2-+ 30.Ra2? (better 30.Rd4-+) 30...Na2 31.Bc6 (31.Bd3 a4-+) 31...Nb4 (31...Nc3 32.e4-+) 32.Ba4 (32.Be8 Kf8 33.Bd7 Ke7-+) 32...Kf6 (32...Nd5 33.e4 Nc3 34.Bc2-+) 33.Kf3? (33.Kf1 Nd3 34.Ke2 Nc5-+) 33...Ke5?? (better 33...Nd5-+) 34.Ke2 f6 (34...Na6 35.f4 Kf6 36.Kd2-/+) 35.Kd2 (35.Be8 f5=+) 35...g5 (35...f5 36.f3-/+) 36.Kc3? (36.Be8!?=+) 36...gh4 (36...Ke4!? 37.Bd1 Nd5 38.Kd2-+) 37.gh4-/+ Kf5 (37...Nd5 38.Kd3 Ne7 39.Be8-/+) 38.Bd7 (38.Bd1!?=+) 38...Nd5 39.Kd4 Nb6 40.e4 Kg4 41.Be6 Kh4 42.f4 (42.e5!? fe5 43.Ke5-+) 42...Kg3-+ 43.e5 Kf4?? (better 43...fe5 44.fe5 h4-+) 44.ef6+- (44.ef6 Kg3 45.f7+-) 1-0. cabbage9 (2865) - zsolti_83 (2635), Rated Bullet game, lichess.org, 2020. (=1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.Nc3 0-0 5.Nf3)

6.Nd5 Nd5

7.Bg7 Kg7 8.cd5 Qd5 9.Qc2 Na6 10.g3 (10.e4!? Qd6 11.Ba6 Qa6 12.Qc7+/–) 10...Bf5 11.Qc3 f6 12.Bg2 Qd6 13.a3 c6 14.0-0 Nc7 15.d3 e5 16.Nd2 Nb5 17.Qb2 Rad8 18.Rfc1 Qd7 19.Nb3 Qf7 20.a4 Nd6 21.Na5 Rd7 22.Nc4 Nc4 23.Rc4 Be6 24.Rc5 Bd5 25.Rac1 Bg2 26.Kg2 Rfd8 27.R5c4 Rd4 28.b5 cb5 29.Qb5 Qd5 30.Qd5 R4d5 31.Rc7 R8d7 32.Kf3 Kf7 33.Rd7 Rd7 34.Rc4 Ke6 35.Ke3 h5 36.f4 Rd6 37.fe5 fe5 38.Ke4 Rd5 39.e3 Kd6 40.Rb4 Ra5 41.h3 b6 42.g4 hg4 43.hg4 Rc5 44.Rb5 Ke6 ½–½. Schilling,Hans (1765) – Jaeger,Andre (1985), Berlin op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.b4 0-0 5.Bb2 d5 6.Nd5 Nd5)

7.Bg7 Kg7 8.cd5 Qd5 9.Qc2 c6 10.e4 ½–½. Schnur,Edmund (2180) – Von den Steinen,Benjamin (2190), SVR–op, 2007. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.Nd5 Nd5)

7.Bg7 Kg7 8.cd5 Qd5 9.e3 Bg4 10.h3 Bf3 11.Qf3 Qd6 12.a3 Rd8 13.d4 a5 14.b5 Nd7 15.Bc4 e6 16.0-0 c5 17.bc6 bc6 18.Rfd1 c5 19.dc5 Qc7 20.c6 Ne5 21.Qf4 Rdc8 22.Rac1 Nc6 23.Qc7 Rc7 24.Bf1 Raa7 25.Rc5 Ne7 26.Rdc1 Rc5 27.Rc5 Kf6 28.g4 g5 29.Bg2 h6 30.Be4 Ng6 31.a4 Ne5 32.Kg2 Nd7 33.Rb5 Ke7 34.h4 gh4 35.Kh3 Kf6 36.Kh4 Ne5 37.Kg3 Nc4 38.Bd3 Nd6 39.Rh5 Kg7 40.Kf3 f6 41.Rc5 Nf7 42.Bc2 Ne5 43.Kg3 Nd7 44.Rc6 Nf8 45.Bd3 Kf7 46.Bc4 Ke7 47.Rc5 Kf7 48.f4 Kg7 49.Kf3 Nd7 50.Rc6 e5 51.Bb5 ef4 52.ef4 Nf8 53.Rd6 Ng6 54.Rd5 Rc7 55.Rd7 Rd7 56.Bd7 Kf7 57.Ke4 Ke7 58.Bb5 Nh4 59.f5 Ng2? 60.Bf1 Ne1 61.Kd5 Nf3 62.Be2 Ne5 63.Kc5 Kd7 64.Kb5 Nc6 65.Kb6 Kd6 66.Bb5 Ne5 67.Ka5 Ng4 68.Kb6 Ne3 69.Be2 Nf5 70.a5 Ng7 71.a6 Ne6 72.a7 Nc7 73.Bg4 Nd5 74.Kb7 Nc7 75.Bf5 h5 76.Bh3 h4 77.Bg4 (77.Bg4 f5 78.Bf5+–) 1–0. Mirzoev,A (2520) – Barrero Garcia,C (2370), Sevilla ESP, 2012.

7.Bg7 Kg7 8.cd5 Qd5 9.g3 e5 (9...Nc6 10.Qb1+=) 10.d3 (10.Qb3 Qd6=) 10...Nc6 11.a3 Rd8 12.Bg2 Qb5 13.Nd2 a5 14.ba5 Qa5 15.0-0 Be6 (15...Ra6 16.Re1=) 16.Bc6 bc6 17.Qc2 Rab8 18.Nc4 Qc5 (18...Bc4 19.Qc4 Rb2 20.Rfe1=) 19.Rfc1+= Rb7 (19...Qd4 20.a4+=) 20.Qc3+/– Bc4 21.Qc4 Qc4 22.Rc4 (22.dc4 Rd2=) 22...Rb6 23.Rac1 Rd6 24.Ra4 Kf8 25.Ra7 Rd7 (25...Rb2 26.Kf1+/–) 26.f3 (26.a4!?+/–) 26...Ke7 27.a4 Kd6 28.a5 (28.Kf2 Rb2+/–) 28...Rb2+= 29.Kf1 c5 30.Ra6 c6 31.Rc4 Rdb7= 32.Rc1 Rb8 33.Ra7 R8b7 34.Rb7 Rb7 35.Ra1 Ra7 36.Ra4 Kd5 37.h4 h5 38.g4 hg4 39.fg4+/– Ke6 40.e4 Kf6 41.Ke2 Ke6 42.Kd2 Kd7 43.Kc3+– Kc7? 44.Kc4 Kd6? 45.a6 f6 46.h5 (46.h5 gh5 47.gh5+–) 1–0. Oria Blasco,A – Garcia Martinez,FF, Asturias–ch Primera A, 2002. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5)

5.Nc3 d6

6.d4 a5 7.b5 Nbd7 8.e3 c5 9.bc6 bc6 10.Rb1 a4 11.Bd3 Qa5 12.0-0 a3 13.Ba1 Ba6 14.Qd2 Rfb8 15.Rb8 Rb8 16.Nb1 Qd2 17.Nfd2 (17.Nbd2?! d5=) 17...Nd5 18.Bc2 (18.cd5?! Bd3 19.dc6 Bf1 20.Kf1 Nf6+=; 18.Na3?! Nb4 19.Bb1 f5+/–) 18...Nb4 19.Bb3 Nc5 20.dc5 Ba1 21.cd6 ed6 22.Na3 Bb2 23.Nab1 Nd3 24.Rd1 Nc5 25.Nf3 Nb3 26.ab3 Rb3 27.Rd6 Bc4 28.Rc6 Bd5 29.Rc2 Bf6 30.Nbd2 Rc3 31.Rc3 Bc3 32.Kf1 f5 33.Ke2 Bg7 ½–½. Schueller,Rudolf (1865) – Meyer,Torben, DESC, 2003.

6.d4 Re8 7.e3 Nbd7 8.a4 e5 9.g3 ed4 10.Nd4 c5 11.bc5 dc5 12.Nb3 Qa5 13.Na5 1–0. kannisogoet – gatmor, kurnik, 2012.

6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Nc3).

6.e3 Nbd7 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Nbd7 7.Nbc3).

6.g3 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Nc3).

6.h3 e5 7.e4 Nc6 8.b5 Ne7 9.d4 ed4 10.Nd4 Nd7 11.Be2 Nc5 12.Bf3 f5 13.0-0 f4 14.Qd2 g5 15.Rfd1 Ng6 16.Qe2 Ne5 17.Bg4 Ng4 18.hg4 Qe8 19.f3 Qf7 20.Kf2 h5 21.Nf5 hg4 22.fg4 Bf5 23.gf5 Rae8 24.Rh1 Bc3 25.Bc3 Ne4 26.Qe4 Qh5 27.Qd5 1–0. Molk – Mantia, 1972.

6.d4 c5

7.bc5 dc5 8.e3 cd4 9.Nd4 Nc6 ½–½. Poleschi,Ricardo D – Hoffman,David, UECC CUP–A email, 2000. (=1.Nf3 g6 2.c4 Bg7 3.Nc3 Nf6 4.b4 0-0 5.Bb2 d6)

7.dc5 dc5 8.Qd8 Rd8 9.bc5 Na6 10.Rd1 Rd1 11.Nd1 Nc5 12.Nc3 b6 13.g3 Bb7 14.Bg2 Rd8 15.Nb5 Nfe4 16.Bg7-/+.

6.d4 c6

7.e4 Bg4 8.Be2 Nbd7 (8...c5 9.dc5 dc5 10.Qb3=) 9.0-0 e5 (9...c5 10.bc5 dc5 11.Rb1+=) 10.d5 cd5 11.cd5 a6 12.a4 Rc8 13.Rc1 (13.a5 Ne8+=) 13...Re8 (13...Bh6 14.Rc2+=) 14.Re1 (14.a5 Bh6 15.Nd2 Be2 16.Qe2 Bd2 17.Qd2 Rc4=) 14...Qb6 15.b5 Rc5 (15...Nc5 16.Ng5 Bd7 17.Bc4=) 16.Ba3+= Rcc8 17.Nd2 Be2 18.Re2 (18.Qe2 Bh6+=) 18...Nc5 (18...Bh6 19.ba6 ba6 20.Qc2+=) 19.Nc4+/– Qd8 20.a5 Bh6 21.Rcc2 Bf8 22.Nb6 Rc7 23.ba6 ba6+= 24.Bc5 Rc5 25.Qa1 Nd7 26.Nca4 Ra5 27.Ra2?? Nb6–+ 28.Nb6 Ra2 29.Ra2 Qb6 30.Ra6 Qd4 31.Ra4 Qa1 (31...Qa1 32.Ra1 f5–+; 31...Qd2 32.Ra2 Qd3 33.Qe1–+) 0–1. Gegonz – losmik (1745), internet, 2007.

7.h3 a5 8.a3=.

7.h3 Nfd7 8.e3 e5 9.Be2 f5 (9...ed4 10.Nd4 Na6 11.b5=) 10.de5 (10.c5 e4 11.Nd2 d5+=) 10...Ne5= 11.0-0 (11.Ne5 de5 12.0-0 Be6=) 11...Na6 (11...Nf3 12.Bf3 Nd7 13.Qc2=) 12.a3 Secures b4 12...Be6 13.Ne5 de5 14.Qd8 (14.Qc2 Qe7=) 14...Rfd8 15.Rfd1 Nc7 16.Kf1 Kf8 17.Na4 b6 Covers c5 18.Ke1 White king safety dropped 18...Kf7 Black king safety dropped 19.Bc3 Bf6 20.Rac1 Ne8 21.Rd8 Rd8 (21...Bd8 Worse is 22.Be5 Bf6 23.Bf6 Nf6 24.Bf3+=) 22.c5 White threatens to win material: c5xb6 22...b5 Black threatens to win material: b5xa4 23.Nb2 Nc7 (23...e4 24.Bf6 Nf6 25.f3+=) 24.Nd3= e4 Black wins space 25.Bf6 (25.Ne5 Be5 26.Be5 Ne8=) 25...Kf6 26.Nf4 Bf7 27.h4 h6 28.Rd1 Rd1 29.Bd1 A minor pieces endgame occured 29...Bc4 The black bishop is well posted. 30.Kd2 Ne6 31.Ne6 Ke6 A bishop endgame occured 32.Kc3 Ke5 33.a4 a6 34.g3 Bf7 35.Bc2 g5 36.hg5 hg5 37.Bd1 g4 Black gets more space 38.Bc2 Be8 39.Bd1 Bf7 40.Bc2 Twofold repetition 40...Be6 41.Bb1 Bf7 42.a5 ½–½. Dyballa,Markus (2355) – Hellwig,Martin, Oberliga Nord O, 2001. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.b4 0-0 5.Bb2)

6.d4 Bg4

7.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Nc3).

7.h3 Bf3 8.ef3 Nbd7 (8...d5 9.Qd2=+) 9.Bd3= Nh5 10.Ne2 Re8 11.0-0 e5 12.de5 (12.Be4 ed4 13.Bd4 a5=) 12...Ne5=+ 13.Be5 Be5 14.Rb1 Qh4 15.Qc2 Bf4 (15...c6 16.b5=+) 16.g3 Qh3 17.Nf4 (17.gf4 Re2 18.Rfd1 Nf4 19.Qe2 Qg2) 17...Nf4 18.gf4 g5 (better is 18...Qf3!? 19.Qd1 Qf4=) 19.Bf5+/– (19.fg5?! Re5 20.Bh7 Qh7 21.Qh7 Kh7=+) 19...Qh4? (better is 19...Qf3!? 20.Bh7 Kg7+/–) 20.Kg2+– gf4 (20...Qf4 21.Rh1+–) 21.Rh1 Qg5 22.Kf1 Kf8 23.Rh7 Rad8 24.Rh8 Kg7 25.Rh1 Kf6 26.Be4 c6 27.Ke2 d5 28.Rbg1 Qe5 29.cd5 cd5? 30.Rh6 Ke7 31.Qc5 Kd7 32.Rd1 (32.Rd1 Qc7 33.Rd5 Kc8 34.Rd8 Rd8 35.Rf6 Qc5 36.bc5+–; 32.Qa7?! Qb2 33.Kf1 Qb4 34.Bf5 Ke7+–) 1–0. marcosramos – niall, net–chess.com, 2007.

6.e3 e5

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

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

5.d3 c6

6.Nbd2 d6 7.e3 Nbd7 8.Be2 c5 9.a3 b6 10.0-0 Bb7 11.Rc1 Rc8 12.Rc2 Rc7 13.Qa1 a5 14.ba5 ba5 15.Bc3 Qa8 16.Rb1 Bc6 17.Ne1 Ra7 18.Bf3 Bf3 19.Nef3 Qc6 20.Rcb2 Rfa8 21.Rb5 Ne8 22.Bg7 Ng7 23.d4 Ne8 24.d5 Qc8 25.Qc3 Nc7 26.R5b2 Ne8 27.e4 Qc7 28.h4 Nef6 29.Rb5 a4 30.Qb2 Qc8 31.e5 Ne8 32.Qc3 Qc7 33.e6 fe6 34.de6 Ndf6 35.Ng5 Rc8 36.Qe3 Ng7 37.Nde4 Ng4 38.Qg3 Ne5= 39.f4 Nf5 40.Qh3+/– Nc4 41.h5 h6 42.hg6 Nce3 43.g4 d5 44.Rc5 Qf4?? 45.Rc8 Kg7 46.Rbb8 de4 47.Rg8 Kf6 48.Rgf8 Ke5 49.Rf5 Nf5 50.Qc3 Nd4 51.Qc5 1–0. Schlinkmeier,Karsten – Luettge,Bernd (2105), Regionalliga SW, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.Nbd2 a5

7.a3 d6 8.h3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.Bc3 e5 12.g4 Qe7 13.Qa5 e4 14.de4 Ne4 15.Bg7 Kg7 16.Qa1 Kg8 17.Qb2 f5 18.Bg2 Nd2 19.Qd2 Qe4 20.b5 cb5 (20...cb5 21.cb5 Qb1 22.Qd1 Qb5+=) 0–1. Fries Nielsen,Niels Jorgen – May,Hans Werner, DEN–ch corr Denmark, 1976. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0)

7.b5 d5 8.a4 Nbd7 9.e3 Re8 10.Be2 e5 11.cd5 cd5 12.0-0 e4 13.de4 de4 14.Nd4 Ne5 15.Rc1 h5 16.h3 g5 17.Nc4 Nd3 (better is 17...g4!? 18.Ne5 Re5+=) 18.Bd3+– ed3 19.Qd3 g4 20.h4 Ne4 21.g3 Bf5 22.Qe2 Bh7 23.Nb3 Bb2 24.Qb2 (24.Nb2?! Qd6 25.Nc4 Qb4+=) 24...Re6 25.Rfd1 Qf8 26.Rd4 b6 27.Ncd2 Rae8 28.Rd5 Qh6 29.Qd4 Bg6 30.Rd8 (better is 30.Rc6 Nd2 31.Nd2+–) 30...Kh7? (30...Rd8 31.Qd8 Qf8 32.Rc8 Qd8 33.Rd8 Kg7 34.Ne4 Be4 35.Nd4+/–) 31.Rcc8 (better is 31.Re8 Re8 32.Qb6 Nd2 33.Nd2+–) 31...Rd8 32.Qd8 Qg7 33.Ne4 Be4 34.Nd4 Rh6? (34...Rg6 35.Rb8 Qf6 36.Qe8+–) 35.Kf1 (better is 35.Rb8+–) 35...Rg6 36.Ke1 Qe5 37.Qe8 Qe8 38.Re8 f5 1–0. Benko,Pal C – Tatai,Stefano, Malaga, 1970. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.b5 d5 8.a4 Nbd7 9.e3 Re8 10.Be2 e5 11.e4 d4 12.0-0 c5 13.g3 Nf8 14.Nh4 Bh6 15.Ng2 Bh3 16.Nf3 Qe7 17.Kh1 Rad8 18.Ng1 Bc8 19.f4 N6d7 20.Bc1 ef4 21.Nf4 Bf4 22.Bf4 Ne6 23.Bd2 Ne5 (23...b6!?=) 24.Ba5+/– Rd6 25.Bd2 b6 26.Nh3 f5 27.ef5 Bb7 (27...Ng7!?+/–) 28.Kg1+– gf5 (28...Ng7 29.fg6 Nc4 30.gh7 Kh7 31.dc4 Qe2 32.Qe2 Re2 33.Rf2+–) 29.Rf5 Ng7 30.Rf2 Ba8 31.Ng5 (31.Bf1 Rf6 32.Bf4 Qa7+–) 31...Qb7 (31...Rg6 32.Ne4+/–) 32.Ne4 Rde6 33.Qc2 Kh8 34.Raf1 h6 35.Rf4 Qe7 36.Rh4 Kh7? 37.Bg5 Qb7 38.Qd2 Nc4 39.dc4 Re4 40.Rh6 Kg8 41.Bf3 Nf5 42.Rg6 Kh7 43.Rc6 Qd7 44.Qg2 Bc6 45.bc6 (45.bc6 Qc6 46.Qh3 Nh6 47.Be4 Re4 48.Rf6 Qf6 49.Bf6+–) 1–0. Valenta,Vit (2180) – Kozak,Petr (2200), CZE–chT2e, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.Nbd2 Qb6

7.a3 h6=.

7.Rb1 d5 8.c5 Qd8 9.a4 Nbd7 10.e3 a5 11.Ba3 ab4 12.Bb4 Ne8 13.e4 Nc7 14.Qc2 Na6 15.Ba3 Qa5 16.ed5 Ndc5 17.dc6 bc6 18.Bc5 (18.Rc1!? Rb8 19.Bc5+=) 18...Nc5-/+ 19.d4 Na4 20.Bd3 Qc3 21.0-0? (better is 21.Qc3 Nc3 22.Rc1-/+) 21...Ba6–+ 22.Rfc1? (22.Rb3 Qc2 23.Bc2 Bf1 24.Kf1–+) 22...Bd3 (22...Qd3?! 23.Qa4 Bb5 24.Qb4-/+) 23.Qd1 (23.Qc3 Nc3 24.Rc3 Bb1 25.Nb1 Ra1–+) 23...Qa5 (23...Bb1!? 24.Rc3 Nc3 25.Qf1–+) 24.Nb3 (24.Rb3 Bb5–+) 24…Qf5 (24...Qf5 25.Ra1 Qb5–+) 0–1. Mehlhorn,Uwe (2125) – Gutman,Lev (2450), Kassel op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.Rb1 d5 8.e3 dc4 9.Bd4 Qc7 10.Be5 Qd8 11.Nc4 Be6 12.Qc2 Nbd7 13.Ba1 c5 (13...Rc8 14.a3=) 14.b5 (14.bc5 Nc5 15.Be2 Rc8=) 14...Nb6 15.Nfd2 Nbd5 16.a3 a6 17.b6 a5 18.e4 Nf4 19.Be5 Bh6 20.Bc7 Qe8 21.g3 Bc4 22.gf4 Ba6 23.Qc5 Nh5 24.f5 (24.Qa5? Bd3 25.Qh5 gh5 26.Bd3 Ra3–+) 24...Nf4 25.Rb3 (25.Qc3 Qd7 26.Nc4 Rad8=) 25...Qa4 26.Rc3 (26.Qc2 Rfc8=) 26...Rae8 (26...Rac8!? 27.d4 Bf1 28.Rf1 Bg7=) 27.Rg1 Qd7 28.Nc4 (28.Rg3 Nh5 29.fg6 Ng3 30.gh7 Kh7 31.hg3 Bg7+=) 28...Bc4 29.Qc4 e6 30.Rg4 Nh5 31.fg6+= fg6 32.Rc2 Qf7 33.Bg2 Bf4 34.Qd4 e5+= 35.Qc4 Nf6?? 36.Rf4+– ef4 37.Bd6 Qc4= 38.Rc4 Rf7 39.Kf1 Nh5 40.f3 Ng7 41.Bh3+/– Ne6 42.d4 Ng5 43.Bg2 Rf6 44.Bc7 Ne4?? 45.fe4+– f3 46.Bh3 Re4 47.Be5 Rb6+/– 48.Rc8 Kf7 49.Rc3 Rb2+= 50.Rf3 Ke7 51.Rf2 Rb3 52.Bc8 b5 53.Bb7 Re5 54.de5 Re3 55.Re2 Rc3? 56.Bd5 Rc1? 57.Kg2 1–0. Bencze,Laszlo (2265) – Foldi,Istvan (2360), HUN–chT2, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.Qb3 d5 8.e3 Nbd7 9.Be2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qc7 13.e4 Ne4 14.Bg7 Nd2 15.Qc3 Nf3 16.Bf3 Re8 17.cd5 c5 18.Bd4 b6 19.0-0 Qd6 20.bc5 bc5 (worse is 20...Nc5 21.Be5 Qd7 22.d4+/–) 21.Be3 Ne5 22.Be4 Ng4 23.g3 Ne3 24.fe3 Bb7 25.Qb3 Ba8 26.Bg2 Rd8 27.e4 e6 28.de6 Qe6 29.Qe6 fe6 30.Rf3 c4 31.dc4 Be4 32.Rc3 Bg2 33.Kg2 Kf7 34.Kf3 Ke7 35.Rc2 Rc8 36.c5 e5 37.Ke4 Ke6 38.c6 Rc7 39.g4 Kd6 40.g5 Rc6?? (better is 40...Ke6+/–) 41.Rc6+– Kc6 42.Ke5 Kc5 1–0. Santarelli,Luis (2140) – Torres,Maximiliano, South America–ch U20, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.Nbd2 d5

7.e3 a5 8.a3 Bf5 (8...Be6 9.Ng5 Bf5 10.Be2 ab4 11.e4 de4 12.de4 Ne4 13.Bg7 Kg7 14.Nde4 ba3 15.Qd2=+) 9.cd5 cd5 (worse 9...Nd5 10.Bg7 Kg7 11.e4+–; worse 9...Qd5 10.e4 Ne4 11.de4 Be4 12.Bg7 Kg7 13.b5+– (13.Ne4?! Qe4 14.Be2 ab4+=)) 10.b5 a4 11.Be2 Nbd7 12.Nd4 (12.Rc1=) 12...Nc5 (better 12...Ne8!?=+) 13.Nf5+= gf5 14.0-0 Qd6 15.Rb1 Rfc8 16.g3 Ncd7 (16...Nfd7 17.d4 Ne4 18.Ne4 fe4 19.Rc1=) 17.Nf3 Nc5 18.Be5 Qe6 19.Ba1 Qd6 20.Nd4 e6 21.Rb4 Nfd7 22.Nf3 (22.Kg2 Bf6=) 22...Nb3 23.Bg7 Rc1 24.Ra4 Rd1 (24...Ra4 25.Qb3 Decoy) 25.Ra8 Kg7 26.Rd1 (26.Bd1 Nb6 27.Ra7=+ (27.Bb3? Na8 28.Ra1 Qc5–+)) 26...Nb6-/+ 27.Re8 Qd7 28.Rb8 Qc7 29.Re8 Nc8 30.Rb1 Na5 31.Ne5 (31.e4 fe4 32.de4 de4-/+) 31...f6-/+ 32.Nf3 Qd7 33.Rc8 Qc8 34.Bf1 (34.Nd4 e5 35.Nf3 Kf7-/+) 34...Qc3 35.Nd4 Kf7 36.a4 b6 37.h4 Ke7 38.h5 (38.Nc6 Nc6 39.bc6 Qc6-/+) 38...h6 (38...Kd7 39.h6–+) 39.Kg2 (39.Nc6!? Nc6 40.bc6 Qc6 41.d4-/+) 39...Kd7–+ 40.Kf3 Qa3 41.Be2 Qa4 42.Rc1 Qa3 43.Rg1 Nb3 44.Nb3 Qb3 45.d4?! (45.g4 fg4 46.Rg4 Qb5 47.Rg7 Ke8 48.d4–+) 45...Qc2 46.Bd1 Qd3 47.g4 fg4 48.Kg4 Qb5 (48...Kd6 49.Kg3–+) 49.Kf3 Qd3 50.Rg7 Kc6 51.Be2 Qc2 52.Rg6 (52.Re7 Kd6 53.Rf7 Qf5 54.Kg2 Qg5 55.Kf1 e5 56.de5 fe5–+) 52...b5 53.Rf6 b4 54.Re6 Kc7 55.Re7 (55.Re5 b3 56.Rd5 b2–+) 55...Kd6 56.Rb7 (56.Rg7 b3 57.Rg6 Kc7 58.Rg7 Kc6 59.Rg6 Kd7 60.Rg7 Ke6 61.Rg6 Kf7–+) 56…b3 0–1. Dmitriev,Ig (2235) – Belyakov,B (2490), 22nd Voronezh Master Open, 2018. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 c6)

7.e3 Re8 8.Be2 (8.h3 dc4 9.Nc4 b5+=) 8...Nbd7 (8...Bg4 9.a4=) 9.d4 (9.h3 a5 10.a3 dc4 11.dc4 Nh5=) 9...a5 10.b5 c5 (10...cb5 11.cd5 Nd5 12.Qb3=) 11.0-0 (11.h3 b6=) 11...cd4 12.Bd4 e5 ½–½. Hatz,Alexander (2175) – Kistner,Klaus (2170), Baden OL, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.e4 Nbd7=.

7.g3 Nbd7 8.Bg2 e6 9.0-0 a5 10.a3 b6 11.Qc2 Bb7 12.Rfd1 Qe7 13.Bc3 e5 14.ba5 d4 (worse is 14...ba5 15.Nb3 Rfb8 16.Na5+/–) 15.Bb2 Ra5 16.a4 Rfa8 17.Nb3 Ra4 (17...R5a6!?+=) 18.Ra4= Ra4 19.Nbd4 ed4? (19...Ra2 20.Nb3 e4 21.Bf6 Qa3+= (worse is 21...Rc2 22.Be7 ef3 23.Bf3+=)) 20.Qa4+– Qe2 21.Bd4 c5 22.Rd2 Qe7 23.Bf6 Nf6 (23...Bf6 24.Qc2+–) 24.Qd1 (24.Qa7 Bf8+–) 24...h6 25.Qe2 Qd6 26.Ne1 Bc8 27.Ra2 Kh7 28.Qf3 Bg4 29.Qf4 (29.Qc6 Qe5 30.Nc2 Qe2+–) 29...Qe7 (29...Qf4!? 30.gf4 Nh5+/–) 30.Qe3 Qd7 31.Ra6 b5? (31...Qd6!?+–) 32.Qc5 (32.Bc6 Qd6 33.Bb5 Qf8+–) 32...bc4 33.Qc4 Be6 34.Qa4 Qc7 35.Qd1 Nd5 36.Bd5 Bd5 37.Qc2 Qe7 38.Qc1 Bb2 39.Qb1 Bc3 40.Ra2?? Ba2–+ 41.Qc1?? Qe1 42.Qe1 Be1 43.Kf1 Bc3 44.Ke2 Kg7 45.Ke3 0–1. Knauer,Martin – Werner,Stefan, Unterfranken–ch HT–B, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

6.e4 a5

7.b5 cb5 8.cb5 a4 9.Na3 d6 10.Be2 Nbd7 11.0-0 Nc5 12.Qd2 Qb6 13.Rfb1 Be6 14.Nd4 Bd7 15.Nc4 Qd8 16.Ba3 Ng4 17.Bb2 ½–½. Belikov,Vladimir (2495) – Petukhov,Dmitry (2230), Alushta II, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.b5 cb5 8.cb5 d6 9.a4 b6 10.Ra2 Nbd7 11.Bd4 (11.Be2 Nc5=) 11...e5+= 12.Be3 d5 13.Nbd2 h6 14.Qc1 (14.ed5!? Nd5 15.Ne4-/+) 14...d4–+ 15.Nd4 ed4 16.Bd4 0–1. tomy (2410) – pierred (2795), net–chess.com, 2016.

5.d3 d5

6.Na3 c5 7.bc5 Qa5 8.Qd2 Qc5 9.g3 Nc6 10.Bg2 dc4 11.Rc1 Ng4 12.d4 Qh5 13.Rc4 Rd8 14.Qc2 (14.h3 Nf6 15.g4 Qd5=) 14...Be6 (14...Qa5!? 15.Qc3 Qc3 16.Bc3 Be6-/+) 15.Rc5= Rd5 16.h3 Rc5 17.dc5 Nb4 (better is 17...Nf6!? 18.g4 Qd5+=) 18.Qd2+/– Nf2 19.Bg7 (19.Kf2 Qc5 20.Bd4 Bd4 21.Qd4+/– (21.Nd4?! Rd8 22.e3 Ba2=)) 19...Nh1= 20.Qb4 (20.Bh1 A) 20...Kg7?! 21.Qb4 Qh3 22.Qd4 Kg8 23.Qg1-/+; B) 20...Na2 21.Ng5 Kg7 22.Bb7-/+ (22.Ne6? fe6 23.Bb7 Rf8 24.Qa2 Qc5 25.Qb2 Kg8–+); C) 20...Qc5?! 21.Bd4 Qa5 22.Kf2-/+; D) 20...Qh3 21.Qh6 Qg3 22.Kd2 Rd8 23.Bd4 Rd4 24.Nd4 Qa3 25.Ne6 fe6–+) 20...Kg7 21.Bh1 (better is 21.g4!? Qd5 22.e4-/+) 21...Qh3-/+ 22.Qd4 f6 23.Qg1 Qh6 24.e3 Rd8 25.Nc2 Ba2 26.Nfd4 e5 27.Nb5 Bb3 28.Nba3 Qh5 29.g4 Qh4 30.Ke2 Rd7 (30...Be6 31.Bf3 e4 32.Be4 Bg4 33.Bf3 Bf3 34.Kf3–+) 31.c6 (31.Bf3 Rc7–+) 31...bc6 32.Bc6 Rc7 33.Qg2 a5 34.Nb5 Bc4 35.Kd2 Bb5 36.Bb5 h5 37.gh5-/+ Qh5 38.Na3 Qh4 39.Nc2 f5 40.Bd3 e4 41.Bb5? Qe7–+ 42.Qg3 Rc2! 43.Kc2 Qc5 44.Kd2 Qb5 45.Qc7 Kf6 46.Qd6 Kf7 47.Qc7 Ke8 48.Qc8 Ke7 49.Ke1 a4 50.Kf2 a3 51.Qc7 Qd7 52.Qc5 Qd6 53.Qa7 Kf6 54.Qa8 a2! 55.Kg2 Qd2 56.Kg3 Qe3 57.Kh4 g5 (57...g5 58.Kh5 Qh3#) 0–1. Thieme,H (2075) – Arp,F (2070), European Senior Teams, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5)

6.Nbd2 a5 7.a3 (7.b5 a4=) 7...Bg4 (7...dc4 8.dc4 ab4 9.ab4 Ra1 10.Qa1=) 8.e3 (8.Ne5 Bh5=) 8...ab4 (8...dc4 9.dc4 ab4 10.ab4=) 9.ab4= Ra1 10.Ba1 c6 (10...dc4 11.Nc4 Nc6 12.b5=) 11.Be2 Qb6 (11...Na6 12.Bc3=) 12.Qb3 ½–½. Detter (2260) – Demuth (2240), Klagenfurt, 1996.

6.Nbd2 dc4

7.dc4 a5 8.b5 a4 9.e4 c6 (9...Nbd7 10.Qc2+=) 10.Be2= Qa5 (10...Qc7 11.0-0=) 11.0-0 Nh5 12.Bg7 Kg7 13.g3 Rd8 14.Qc2 Bg4 15.Rfd1 Nd7 16.h3 Bf3 17.Nf3 Rac8 (17...Qc7 18.Qb2 Kg8 19.Kg2=) 18.Rab1 (18.Qb2 Kg8+=) 18...Nc5= 19.Qb2 (19.Nd2 Qc7 20.bc6 Qc6=) 19...Kg8 (19...Nf6 20.bc6 Rd1 21.Bd1 Rc6 22.Bc2=) 20.Qe5 Ne6 (better is 20...cb5!? 21.cb5 f6 22.Qe7 Re8 23.Bc4 Kh8=) 21.bc6+/– Qe5 22.Ne5 bc6 23.Rd8 Nd8 24.Bg4 e6 (24...Ra8 25.Bd7+/–) 25.Bh5 gh5 26.Rb4 Ra8 27.a3 (27.Rb6 f6 28.Nc6 Nc6 29.Rc6 Rb8+/–) 27...Kg7 28.h4 (28.Rb6 h6+/–) 28...f6 29.Nd7 e5 30.Nb6 The isolani on a4 becomes a target (30.Kg2 Kf7+/–) 30...Rb8+= 31.Na4 Ra8 32.Nc5 Ra5 (32...Ra3 33.Rb8 Ra5 34.Nd7=) 33.Nb7 Nb7 34.Rb7 Kg6 35.Rb6 Rc5 36.Rb4 Ra5 37.a4 c5 38.Rb5 Ra4 39.Rc5 Ra2 40.Rc7 Re2 (40...Ra1!? 41.Kg2 Ra4+=) 41.f3+/– Rc2 (41...Re1 42.Kf2 Ra1 43.c5+/–) 42.c5+– Kh6 43.c6 Kg6 44.Kf1 Kh6 45.Rc8 (45.Ke1 Kg6+–) 45...Kg7 (45...Kg6 46.Ke1+/–) 46.c7 (46.Ke1!?+–) 46...h6 47.Ke1 Rc3 48.Kd2 Rc6 (48...Rf3 49.Rd8 Rf2 50.Kc1 Rf1 51.Kc2 Rf2 52.Kb3 Kg6 53.Rg8 Kh7 54.c8Q Rf3 55.Kb4 Rc3 56.Rh8 Kg7 57.Qg8) 49.Kd3 Rc5 50.f4 Rc6 51.fe5 fe5 52.Re8 Rc7 53.Re5 Rc6 54.Ke3 Kg6 55.Kf4 Rc1 56.Re6 Kg7 57.Ra6 Rf1 58.Ke5 (58.Ke3!?+/–) 58...Rf3= 59.Ra7 Kg6 60.Kd6 Rd3 61.Ke7 Re3 (worse is 61...Rg3 62.Ra6 Kg7 63.e5+/–) 62.Ra4 Rg3 (62...Kg7!?=) 63.Ra6+/– Kg7 64.e5 Rg4 65.e6 Rh4 66.Kd7 (66.Ke8 Re4 67.Ra7 Kf6+/–) 66...Re4= 67.Ra1 h4 68.e7 Rd4 69.Ke6 Re4 70.Kd7 Rd4 71.Ke6 Re4 72.Kd6 h3 73.Rg1 Kf6 74.Rf1 Kg5 75.Kd7 ½–½. Stocek,Jiri (2555) – Cernousek,Lukas (2430), Slovak Extraliga, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.Nbd2 dc4)

7.dc4 c5 8.b5 (8.bc5 Qc7=+) 8...Qa5 9.Qb3 Ne4 (9...Rd8 10.Bc3 Qc7 11.e4=) 10.Bg7= Kg7 11.Qc2 (11.Qe3 Bf5=) 11...Bf5 12.g4 Nd2 13.Qd2 (13.Qb2 f6 14.Qd2 Qd2 15.Nd2 Bg4=) 13...Qd2=+ 14.Nd2 Bg4 15.Bg2 Bc8 16.Nb3 Nd7 17.0-0 (17.Rd1 Rb8=) 17...Rb8 (17...a6 18.a4=+) 18.Na5 (18.Rfd1 a6=+) 18...Nf6 (18...e5 19.Rfd1 Nb6 20.Kf1=+) 19.Rfd1 e5 20.Rd6 e4 21.a4 Re8 22.h3 Nd7 23.Rd5 f5-/+ 24.e3 Re5 25.Rd6 Nb6 26.Rd8 Kf7 27.Nb3 Re8 28.Nc5?? Rd8–+ (28...Rd8 29.Rc1 Be6–+) 0–1. Helmer,Janos – Trani,Francesco, BI–2007–P–00006, 2007.

7.Nc4 Na6 8.a3 b5 9.Ncd2 c5 10.bc5 Nc5 11.Rc1 Na4 12.Bd4 Qa5 13.Qb3 Be6 14.Qb4 Rfc8 15.Rb1? (better is 15.Rc8!? Rc8 16.e4 (16.Qa5?? Rc1) 16...Rc1 17.Ke2+=) 15...Qb4–+ 16.ab4 (16.Rb4?? Rc1) 16...Ba2 17.Ra1 Nd5 18.Bg7 Kg7 (18...Kg7 19.Nd4 Nb4–+) 0–1. Dobrei,Gheorge Marcel (2200) – Cardelli,Gabriel (2290), AR–2003–Q–00007, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.Nbd2 dc4)

7.Nc4 b5 8.Ncd2 Na6 9.a4 Nb4 10.ab5 Bd7 11.Qb3 c5 12.bc6 Nc6 13.e3 Qb6 14.Qb6 ab6 15.Be2 Nd5 16.Bg7 Kg7 17.Rc1 Ncb4 18.0-0 Na2 19.Rc2 Nac3 20.Ne4 Rfc8 21.Nc3 Nc3 22.Re1 Rab8 23.d4 b5 24.Ne5 Bf5 25.Bd3 b4 26.Rb2 b3 27.Ra1 Be6 28.h3 f6 29.Ra6 fe5 30.Re6 Na4 31.Rd2 ed4 32.ed4 Rc7 33.Re1 b2 34.Kh2 Kf6 35.Bb1 Rb6 36.Rg1 Rbc6 37.Be4 Rc1 38.f3 R7c4 39.f4 Rg1 40.Kg1 Rb4 41.g4 Nc3 42.Bc2 b1Q 43.Bb1 Rb1 44.Kg2 Nd5 45.Rf2 Rb4 46.f5 g5 47.Rd2 Nf4 48.Kf3 h5 0–1. Helmer,Janos (2150) – Domanov,Dmitry (2405), SH–2007–0-00106, 2007.

6.Nbd2 c6

7.Rb1 a5 8.b5=.

7.Rb1 Nbd7 8.g3 (8.e4 de4 9.de4 a5=) 8...Re8 (8...dc4 9.Nc4 Nb6 10.Nb6 ab6 11.a4=+) 9.Bg2= Nf8 (9...a5 10.b5=) 10.0-0 dc4 (10...N8d7 11.e4=) 11.Nc4 Nd5 (11...Be6 12.Qc2+=) 12.Qd2 (12.Bg7 Kg7 13.Qc2 Ne6+/–) 12...Nb6 (12...Nf6 13.Rfc1+=) 13.Na5 (13.Bg7!? Kg7 14.Rfd1+/–) 13...e5= 14.Rfc1 Qe7 15.a3 Bf5 16.Nh4 (16.Qe3 Nd5 17.Qc5 e4 18.Qe7 Re7 19.Bg7 Kg7+=) 16...Be6 17.b5 cb5 18.Bb7 Rad8 19.Bc6 Bd7+= 20.Bg2 Ne6 21.Nc6+/– Bc6 22.Bc6 Rf8 23.Qb4 Qb4+= 24.ab4 a6 25.Nf3 Nd4 26.Nd4+/– ed4 27.Bb7 Rfe8 28.Kf1 Nd5 29.Ba6 Nb4 30.Bb5+– Re5 31.Bc4 Rh5 32.Ba3 Nd5 33.Rb5 h6 34.Ke1 Re5? 35.f4 Rh5 36.g4 (36.g4 Bf8 37.Bf8 (< 37.gh5 Ba3 38.Ra1 Ne3+–) 37...Rh2 38.Bd5 Rf8 39.Rc7+–) 1–0. Pithart – Schrancz, Trinec, 1975.

7.Qc2 e6 8.e3 Nbd7 9.Be2 Re8 10.d4 a5 11.Bc3 ab4 12.Bb4 e5 13.de5 Ne5 14.Ne5 Re5 15.Bc3 Re8 16.Qb2 dc4 17.Nc4 b5 18.Rd1 Qe7 19.Nb6 Rb8 20.Nc8 Rec8 21.0-0 Ne8 22.Rc1 Bc3 23.Rc3 h5 (23...b4!? 24.Rc4 c5+=) 24.Rfc1+/– c5 25.Bb5 Nf6 26.a4 Ne4 27.Rc4 Rd8 28.R4c2 Rd5 29.f3 Nf6 30.e4 Re5 31.Qa3 Rc8 32.a5 Qd6 33.Qd3 Qc7 34.a6 Qb6 35.Bc4 Rd8 36.Qb3 Qd6 37.Re1 (better is 37.Bf7!? Kg7 38.Bc4 Qd4 39.Kh1 Qd1 40.Bf1 Qd6+–) 37...Re7 38.Rcc1 Qe5 39.Qc3 Rd4 40.Bd5?? (better is 40.Rc2+–) 40...Rd5+= 41.ed5? (better is 41.Qa3!? Rdd7 42.Qc5+=) 41...Qc3–+ 42.Rc3 Re1 43.Kf2 Ra1 44.Rc5 Ra6 45.Ke3 Kf8 46.Rc8 Ke7 47.Rc7 Nd7 48.h4 Kd6 49.Rb7 Ra4 50.g3 Ne5 51.Ke2 Ra2 52.Kf1 Rd2 53.g4 hg4 54.fg4 0–1. Ager,J (2165) – Pipitone,A (1920), Arco ITA, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.Nbd2 c6)

7.e3 a5 8.b5 dc4 9.dc4 Nbd7 10.Be2 Nc5 11.0-0 Nfe4 (11...Bg4!?=) 12.Ne4 Qd1 13.Rfd1 Ne4 14.Bg7 Kg7 15.bc6 bc6 16.Ne5 Nc3 17.Rd2 Ne2 18.Re2 c5 19.Nd3 (19.Rd2 Be6+=) 19...Ba6= 20.Rc2 Rfc8 21.Rb1 Rab8 22.Rb8 Rb8 23.Kf1 Rc8 24.Ke2 Kf6 25.Kd2 Ke6 26.Kc3 Kd6 27.Rb2 f6 28.Nf4 Rc7 29.Rd2 Kc6 30.Ne6 Rc8 31.Rd5 Kb6 32.f3 Bb7 33.Rd7 Re8 34.Rd1 Ba6 35.Nf4 Kc6 36.Nd5 Bc8 37.Rb1 Be6 38.Rb6 Kd7 39.Re6 Ke6 40.Nc7 Kf7 41.Ne8 Ke8 42.Kb3 Kd7 43.Ka4 Kc6 44.Ka5 h5 45.h4 (better is 45.Ka6 g5+–) 45...e5 (45...Kc7 46.f4+–) 46.f4 1–0. Lutsko,Igor (2435) – Yandemirov,Valeri (2465), Tsiolkovsky Memorial op, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.Nbd2 c6)

7.e3 dc4 8.dc4 c5 9.a3 Qc7 10.Be5 Qc6 11.b5 Qe6 12.Bd3 Nbd7 13.Bc3 a6 14.0-0 Rd8 15.Qc2 b6 16.a4 Bb7 17.Rfd1 h6 18.a5 ab5 19.cb5 ba5 20.Ra5 Ra5 21.Ba5 Ra8 22.Bc4 Bd5 23.Bd5 Nd5 24.Nb3 Ne3 25.fe3=+ c4 26.Nbd4 Bd4 (26...Bd4 27.Nd4 Qe3 28.Kh1 Ra5 29.Qc4 Ne5-/+) 0–1. Ertel,Jens – Mosley,Gene, 2005.

7.e3 dc4 8.Nc4 Na6 9.Qd2 Be6 10.Rc1 Rc8 11.Be2 b5 12.Na5 c5 13.bc5 Nc5 14.Rc5 Rc5 15.Nb7 Qc7 16.Nc5 Qc5 17.0-0 Qd5 18.Nd4 Bd7 19.Nb3 Rc8 20.Rc1 Rc1 21.Nc1 Ne4 22.Qc2 Nc5? 23.Bf3+– Qf5 24.e4 Qg5 25.h4! Qh4 26.Bg7 Ne4 27.de4 Kg7 28.Qc7 Bg4 29.Qe5 Kg8 30.Qf4 h5 31.Bg4 hg4 32.g3 Qh5 33.Qb8 Kg7 34.Qa7 Qe5 35.Qe3 b4 36.Nb3 f6 37.Qd4 Qb5 38.Nd2 Qa4 39.Qc4 Qd1 40.Nf1 Qb1 41.Kg2 f5 42.ef5 gf5 43.Ne3 Kf6 1–0. Schlinkmeier,K – Martin,M, Bayern, 2003.

7.e3 Re8 8.Be2 Nbd7 9.d4 Qc7 10.Rc1 dc4 11.Nc4 Nb6 12.0-0 Be6 13.Nfe5 Nfd7 14.Nd7 Nd7 15.Ba1 Rad8 16.Qc2 Qb8 17.Rfd1 Rc8 18.Na5 Nb6 19.a3 Bd7 20.Nc4 Nc4 21.Bc4 e6 22.Qa2 Re7 23.Rd2 e5 (23...Qd6!?+=) 24.de5+/– Be5 25.Bf7! Kg7 (25...Rf7 26.Be5 Combination) 26.Rd7! Rd7 27.Be6 Rcd8 28.Bd7 Rd7 29.Qe6 Rd5 30.e4 (30.e4 Rb5 31.Qe7 Kh6 32.Rc3 Bh2 33.Kf1+–) 1–0. Mehlhorn,Uwe (2125) – Peters,J, Kassel op, 1996. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.Nbd2 c6)

7.e3 Bg4 8.Be2 Nbd7 9.0-0 Nb6 10.c5 Nbd7 11.Qc2 e5 12.h3 Bf3 13.Bf3 (13.gf3 d4 14.f4 Nd5 15.fe5 Qg5 16.Kh1 de3-/+ (16...Nb4?! 17.Qb3 Qh6 18.Bd4 Qh3 19.Kg1+=)) 13...Ne8 14.e4 d4 15.Nc4 f5 16.a4 Qh4 (16...f4 17.Bg4+=) 17.Na5 f4 (better is 17...fe4!? 18.Be4 Rb8+=) 18.Nb7+– g5? (18...Qf6 19.b5+–) 19.Bg4 (19.Qc4!? Kh8+–) 19...Ndf6 20.Be6 Kh8 21.f3 (better is 21.Na5 f3 22.Nc6 fg2 23.Kg2+–) 21...h5? (21...Qh6 22.Qc4+–) 22.Qf2 (better is 22.Na5!? Nh7 23.Nc6+–) 22...Qf2 23.Rf2 Rb8? (better is 23...Nc7 24.Bf5 Ng8+–) 24.Na5 Rb4 25.Nc6 Rb7 (25...Nc7 26.Nb4 Ne6+–) 26.Ne5 Kh7 27.c6 (better is 27.Bd4 Kh6 28.Bc4 Re7+–) 27...Re7 (27...Rb4 28.Ba3 Ra4+–) 28.Bf5 Kh6 29.Ng6 (29.Ng6 Rff7 30.Ne7 Re7 31.Bd4+–) 1–0. Grigoriev,Armen – Altinsoy,Mehmet Nuri, 8th Edirne Turkey, Kesan Open, 2010. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d3 d5 6.Nbd2 c6)

7.e4 a5 8.b5 de4 9.de4 a4=.

7.g3 Na6 8.cd5 Nb4 9.dc6 Nc6 10.Bg2=.

7.g3 Nbd7 8.Bg2= dc4 (8...h6 9.0-0=) 9.Nc4 Nb6 10.Ncd2 (10.0-0 Be6 11.Qc2 Nc4 12.dc4 Qb6=) 10...Nbd5 11.a3 Ng4 (11...a5!?=) 12.Bg7+= Kg7 13.Qc1 (13.Qc2 a5 14.e4 Nc7+=) 13...f6 (13...a5 14.Qb2 Ngf6 15.b5+=) 14.0-0 (14.h3 Nh6+=) 14...e5 15.h3 (15.Nc4 Be6+=) 15...Nh6 16.Nc4 (16.Rd1 Nf7+=) 16...Be6 17.Qb2 (17.Rd1 Nf7+=) 17...Nf7= 18.Rac1 Qd7 19.Kh2 Nb6 20.Ne3 Rad8 21.Ne1 Nh6 22.Nf3 Kg8 23.Rfd1 Nd5 24.Qd2 Nf7 25.Nc4 Nd6 26.Nd6+= Qd6 27.e4 Nb6 28.Qh6 Qe7= 29.d4 ed4 30.Rd4 Rd4 31.Nd4 Rd8 32.Ne6 Qe6 33.Rc3 Qd6 (33...Nc4 34.Qf4 Ne5 35.Qe3=) ½–½. Eldridge,JET – Cook,Percy B, Whitby British ch, ENG, 1962.

7.g3 Bg4 8.Bg2 e6 (8...dc4 9.Nc4 b5 10.Na5=) 9.Ne5 (better is 9.0-0=) 9...Nbd7 (better is 9...Bh5=) 10.h3+/– (10.Ng4?! Ng4 11.Bg7 Kg7=) 10...Ne5 11.Be5 Bf5 12.g4 Ng4 13.hg4 (13.Bg7!? Nf2 14.Kf2 Qh4 15.Kf1 Qf4 16.Nf3 Kg7 17.Rg1+/–) 13...Be5+= 14.gf5 Ba1 (14...Qg5 15.Bh3 Ba1 16.Qa1 ef5 17.cd5 cd5 18.Qb2=) 15.Qa1+/– dc4 (15...a5 16.fg6 fg6 17.Qe5 ab4 18.Qe6 Kg7 19.Qe5 Qf6 20.Qf6 Rf6 21.cd5 Ra2 22.Ne4=) 16.Nc4 (16.Ne4 f6 17.fg6 hg6 18.dc4 Qe7+–) 16...Qg5 (16...Qe7 17.Qc3 ef5 18.a3+=) 17.Bf3 (17.fg6!? fg6 18.Bh3+/–) 17...ef5 18.Nd6 (better is 18.d4+=) 18...Rad8?? (better is 18...Qf4 19.Nc4 Rfe8=) 19.Nb7+– Rd7 (19...Rd4 20.a3+– (20.Bc6?! Rb4 21.Bf3 Rb8=+)) 20.Nc5 (20.Bc6?! Rc8 21.Na5 Rc6 22.Nc6 Qg2=) 20...Re7 (20...Rd4 21.a3+–) 21.Kf1 (21...Rb8 22.a3+/–; better is 21.Bc6!? Qg4 22.Qb2+–) 1–0. Grazic66 (1745) – sanu, internet, 2006.

6.cd5 Nd5

7.Bg7 Kg7 8.Qb3 a5 9.b5 c6 10.Nbd2 (10.a4 Qd6 (10...Nd7 11.Nc3 N7f6 12.bc6 bc6 13.e4 Nf4 14.e5 N6d5 15.Nd5 Nd5; 10...Be6 11.Qb2 Kg8 12.Nbd2 cb5 13.ab5 Nd7 14.h4 N5f6 15.Ng5 a4) 11.Nbd2 Be6 12.Rb1 Nd7 13.Qb2 f6 14.Ng5 cb5 15.Nde4 Qb6; 10.Na3 a4 11.Qb2 f6 12.Qd2 Bg4 13.e4 Nc7 14.d4 Bf3 15.gf3 e5; 10.Qb2 f6 (10...Kg8 11.e4 Nf6 12.Nc3 cb5 13.Nb5 Nc6 14.Be2 Bg4 15.0-0 Rc8) 11.a4 cb5 12.ab5 a4 13.e4 Nf4 14.Nc3 Bg4 15.Qb4 e5) 10...cb5 (10...a4 11.Qb2 f6 12.Rc1 Bg4 13.Nd4 cb5 14.e4 a3 15.Qb5 Nf4) 11.Qb5 (11.e4 Nf4 12.g3 Ne6 13.Qb2 Kg8 14.d4 b4 15.Bc4 Nd7) 11...Ra6 (11...Nc6 12.Rc1 Ncb4 13.a3 Bd7 14.Qc5 Rc8 15.Qd4 f6) 12.Nc4 (12.Rc1 f6= (12...Rb6 13.Qa5 Rb1 14.Qc5 Qa5 15.Qc2 Rc1) 13.Nc4 Nc6 14.a3 Nb6 15.Ncd2 e5) 12...Nb4 (12...Nc6 13.Rc1 f6 14.Qb2 Nb6 15.Ncd2 a4) 13.Rc1 f6 (13...Be6 14.a3 Bc4 15.Rc4 Rb6) 14.a3 Bd7 15.Qc5 (15.Qb7?? Bc6 16.Qa6 N4a6–+ (16...N8a6?! 17.ab4 Nb4 18.Nfd2–+)) 15...Rc6 16.Qe3 Nd3 (16...N4a6 17.Nd4 Rc7 18.Rb1=) 17.ed3 Re6 18.Nce5 Bc6 (18...fe5!? 19.Be2 Nc6=) 19.Nd4+/– Re5 20.Qe5 fe5 21.Ne6 Kf6 22.Nd8 Rd8 23.f3 Rd5 24.Be2 Nd7 25.Kf2 Nc5 26.Ke3 Ke6 27.Rc3 Kd6 28.Rb1 b5 29.h4 Bd7 30.g3 a4 31.Bd1 Be8 32.Rb4 Na6 33.Rb2 Nc5 34.Rd2 Ne6 35.f4 ef4= 36.gf4 Nd4 37.Bg4 Bd7 38.Bd7 Kd7 39.Ke4 Rd6 40.Rd1 Ne2 41.Rc2 ½–½. Wahls,Matthias (2565) – Langheinrich,Ferenc (2380), Bundesliga, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

7.Bg7 Kg7 8.Qb3 Qd6 9.a3 a5 (10.Nc3 Nf6 11.ba5 Nc6=). hooks – Jose Luis, ChessWorld.net, 2006.

7.Bg7 Kg7 8.Qb3 e6 9.Nbd2 Na6 10.a3 c5 11.b5 Nac7 12.g3 b6 13.Bg2 Bb7 14.0-0 a6 15.ba6 Ra6 16.Ne4 Qe7 17.Rfc1 f5 18.Qb2 Kg8 19.Ned2 Qf6 20.Qb3 Rfa8 21.Nc4 b5 22.Nce5 b4 23.a4 Ra5 24.e4 fe4=+ 25.de4 Ne7 26.Nc4 R5a6 27.Re1 Be4!-/+ 28.Nfe5 Bd5 29.Qe3 Bg2 30.Kg2 Ned5 31.Qc5 Ra4 32.Ra4 Ra4 33.Nb6 Ra2 34.Nd5 Nd5 35.Qc8 Kg7 36.Qd7 Kh8 37.Nf7 Kg7 38.Ng5= Kh6?? 39.Nf7 Kg7= 40.Ne5 Kh8. Khalifman,Alexander (2630) – Sherbakov,Ruslan (2570), Moscow blitz, 1993.

7.Bg7 Kg7 8.Qc1 f6 9.a3 e5 10.e3 Be6 11.Nbd2 Nd7 12.Be2 Rc8 13.Qb2 c5 14.bc5 Nc5 15.d4 Na4 (15...ed4!? 16.ed4 Nd7=) 16.Qb7+/– Rf7 17.Qa6 Nac3? (better is 17...Nab6+/–) 18.Qe6+– Ne2 19.Ke2 Re7 (19...e4 20.Ne1+– (20.Ne4?! Re7 21.Qd6 Nc3 22.Kd3 Ne4 23.Qd8 Rd8+–)) 20.Qa6 (better is 20.Qg4!? Nc3 21.Ke1 e4+–) 20...Nc3 (20...ed4 21.Nd4 Ne3 22.Ne6 (22.fe3 Qd4 23.Qd3 Qg4 24.Kf2 Rd7+/–) 22...Re6 23.Qe6+–) 21.Kf1 1–0. roy1nc6 (1895) – haddibje (1775), gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d3 d5 6.cd5 Nd5)

7.Bg7 Kg7 8.Qc1 f6 9.Qb2+=.

7.Bg7 Kg7 8.Qc1 Kg8 9.Qh6 f6 (9...Nb4?? 10.Ng5 Nc2 11.Kd2 Qd3 12.ed3 Rd8 13.Qh7 Kf8 14.Qf7) 10.a3 Bg4 11.Nbd2 Qd6 (11...e5 12.e3=) 12.Rc1 (12.e4 Nc3=) 12...c6 (12...e5 13.e4 Nb6 14.Be2=) 13.e3 (13.Ne4 Qc7+=) 13...e5 (13...Bf3 14.Nf3 a5 15.e4=) 14.Nc4 (14.Be2 Bf3 15.Nc4 Qe6 16.Bf3 f5+=) 14...Qd7 (14...Qe7 15.Nfd2=) 15.Nfd2 (15.Be2 Bf3 16.Bf3 Ne7+=) 15...Ne7 (15...Na6 16.Ne4=) 16.e4 (16.Ne4 Na6=) 16...b5= 17.Na5 Qd4 (17...Be6 18.Be2=) 18.Ndb3 Qb2 19.Qd2 Qd2 (19...Qa3?? 20.Ra1 Qa1 21.Na1+–) 20.Kd2 Be6 21.Nc5 Bf7 (21...Bc8 22.Ke3+=) 22.Be2 Rc8 23.Rhd1 Be8 (23...Rd8 24.d4+/–) 24.Ke1 (24.Ke3 Nd7+–) 24...Nd7+/– 25.Ncb7 Rc7 (25...a6!?+/–) 26.d4+– ed4 27.Rd4 (better is 27.Bb5!? Kg7 28.Nd6 Ne5 29.Rd4 Nf7+–) 27...Rb8 28.Nd6 a6 29.Bg4 Ne5 (29...Nf8 30.Nb3+/–) 30.Ne8 (30.Be6 Bf7 31.Nf7 Nf7+–) 30...Re8+/– 31.Be6 Kf8 32.f4 c5? (better is 32...Nf7 33.Nb3 Rd8+/–) 33.fe5+– cd4 34.Rc7 fe5 35.Nc6 h5 (35...Nc6 36.Rc6 Ke7 37.Ra6+–) 36.Re7 (better is 36.Ne5 Ra8 37.Nd7 Ke8 38.Nf6 Kf8 39.Rd7+–) 36...Re7 37.Ne7 Ke7 38.Bc8 Kd6 39.Ba6 Kc6 40.h4 Kb6 41.Bc8 Kc7 42.Be6 Kd6 43.Bf7 (43.Bf7 g5 44.g3+–) 1–0. Rodrigues,Giorgy Friedman B (2080) – Sousa,L A (1660), LXXXII Championship Brasileiro Absoluto, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d5 6.cd5 Nd5)

5.d3 d6

6.Qc2 e5 7.e3 a5 8.a3 Bf5 9.Be2 ab4 10.ab4 Ra1 11.Ba1 e4 12.de4 Be4 13.Qa2 Nc6 14.Bc3 Qa8 15.Qa8 Ra8 16.0-0 Nd7 17.b5 Na5 18.Bg7 Kg7 19.Nc3 Bf3 20.gf3 Nb3 21.Nd5 Ra2 22.Re1 c6 23.Nb4 Ra4 24.bc6 bc6 25.Nc6 Nd2 26.Rc1 Nb6 27.c5 dc5 28.Rc5 Rh4 29.Rb5 Nbc4 30.Rb4 g5 31.f4 Nd6 32.fg5 Rb4 33.Nb4 N2e4 34.f4 Nf5 35.Nc2 Ned6 36.Bd3 Ne7 37.e4 f6 38.gf6 Kf6 39.e5 Kg7 40.ed6 Nc6 41.Bb5 1–0. Adamkosh (1905) – Al5 (2140), lichess.org, 2019.

6.Nbd2 a5 7.a3 e5 8.g3 Bg4 9.Bg2 Qc8 10.c5 dc5 (10...ab4 11.ab4 Ra1 12.Qa1=) 11.ba5 (11.bc5!? Nfd7 12.Rc1+=) 11...Nc6 12.Nc4 Nd7 13.Qd2 Nd4 14.Bd4 ed4 15.0-0 Re8 16.Rab1 Ra7 17.Rb3 Be6 18.Rfb1 Bd5 19.Ne1 Nf6 20.Rc1 Bg2 21.Ng2 Nd5 22.e4 de3 23.Nce3 Bh6 (23...Ne7 24.Rc5 Nc6 25.Nc2+=) 24.Rc5= Ne3 25.Ne3 (better is 25.fe3!? Bf8 26.Rc1+=) 25...Re3+= 26.fe3 Qe6 27.Qc3 (27.Qc2 Be3 28.Kg2 Bc5 29.Qc5 Ra5 30.Qa5 Qb3 31.Qc7 Qd5 32.Kf2 Qd4 33.Ke2 Qb2 34.Ke3 Qa3 35.Qb8 Qf8 36.Qb7 Qc5 37.Ke4 f5 38.Kf3 Qd6=) 27...Be3 (worse is 27...Qe3 28.Kf1 Qf3 29.Ke1–+) 28.Kg2 Bc5 29.Qc5 Ra5 (29...Qb3 30.Qa7 Qc2 31.Kg1+=) 30.Qa5= Qb3 31.Qc7 Qd5 32.Kf2 Qd3 33.Qb7 (better is 33.Qb8!? Kg7 34.Qe5 Kh6 35.Qf4 g5 36.Qf7 Qd2 37.Kf3 Qc3 38.Kg4 Qd4 39.Kh3=) 33...Qa3-/+ 34.Qb8 Qf8 35.Qe5 Qd8 36.h4 Qd7 37.Qb8 Kg7 38.Qe5 f6 39.Qc3 Qd6 40.Kg2 h5 41.Kh3 Qe5 42.Qd2 g5 43.hg5 fg5 44.Kg2 Kf6 45.Qf2 Kg6 46.Qb6 Qf6 47.Qb1 Kh6 48.Qc2 Qe6 49.Kh2 Qd5 50.Qf2 Qd6 51.Kg2 Qc6 52.Kh2 Kg6 53.Kg1 Qa4 54.Kh2 Qe4 55.Kg1 Qb1 56.Kh2 Qd1 57.Kg2 Qd3 58.Kh2 g4 59.Qf4 Qc2 60.Kg1 Qf5 61.Qd6 Kf7 62.Kg2 Qe6 63.Qf4 Ke7 64.Qg5 Kd7 65.Qh5 Qe2 66.Kg1 Qe3 67.Kg2 Qf3 68.Kh2 Qf2 69.Kh1 Qg3 70.Qf5 ½–½. Hatz,Alexander – Lex,Christoph (2245), Oberliga Baden, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

6.Nbd2 b6 7.g3 Bb7 8.Bg2 Nbd7 9.0-0 c5 10.a3 Qc7 11.b5 e5 12.e4 a6 13.ba6 Ra6 14.Nb1 Bc6 15.Nc3 Rfa8 16.Nb5 Bb5 17.cb5 Ra5 18.Qb3 Nf8 19.Bh3 Bh6 20.Nh4 Nh5 21.Ng2 Qe7 22.Ne3 Be3 23.fe3 Ne6 24.Rf2 Nhg7 25.Raf1 Rf8 (25...Ng5 26.Kg2=) 26.Rf6 (better is 26.Bc3 Ra7 27.Bg2+=) 26...Nh5? (better is 26...Nc7 27.a4 Nf5 28.R6f5 gf5+=) 27.Rf7!+– Rf7 (27...Qf7 28.Be6 Pinning (28.Be6 Decoy); 27...Rf7 28.Be6 Pinning (28.Be6 Decoy)) 28.Be6 Qg5?? (better is 28...Nf6 29.d4 Ra7+–) 29.Rf7 Qe3 (29...Kh8 30.Kg2 Nf6 31.h4 Qe3 32.Rf6+–) 30.Kg2 Kh8 (30...Nf6 31.Rf6 Kg7 32.Rf7 Kh8 33.Qd5 Qd2 34.Rf2 Qb2 35.Qd6 Ra8 36.Rb2 h6 37.Rf2 h5 38.Qe5 Kh7 39.Rf7 Kh6 40.Qf4 g5 41.Qf6) 31.Qd5 (31.Qd5 Qd2 32.Rf2 Qb2 33.Rb2+–) 1–0. Laube,Bernhard (2290) – Kupfner,Franz (2100), AUT–chT2W, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

6.Nbd2 c6 7.g3 Nbd7 8.Rb1 (8.Bg2 Qb6 9.Rb1 e5=) 8...Re8 (8...a5 9.b5=) 9.Bg2 e5 10.0-0 h6 11.e3 Qe7 12.Nh4 (12.a4 a5 13.b5 cb5 14.cb5 Nc5=) 12...Nf8 (12...a5 13.b5 cb5 14.cb5+=) 13.b5 (13.Nhf3 Bg4=) 13...cb5+= 14.cb5 g5 (14...Be6 15.a4+=) 15.Nhf3= Be6 (15...a6 16.ba6 Ra6 17.a3=) 16.Qa4 (16.Nc4 Qc7=) 16...N8d7 17.Ba3 (17.h3 a6+=) 17...Nb6 (17...a6 18.Bb4+=) 18.Qa5 (18.Qb4 g4 19.Nh4 a6+=) 18...Qd7 (18...Ba2 19.Bd6 Qd6 20.Qa2 Qd3 21.Rfd1-/+) 19.Rfc1 (19.Rbc1 Ba2 20.Bd6 g4+=) 19...Ba2 (19...g4 20.Nh4-/+) 20.Rb2 Bd5 21.Rbc2 Rec8 (21...g4 22.Ne1 Bg2 23.Ng2-/+) 22.Rc8+= Rc8 23.Qa7 Rc1 24.Bc1 Qb5 25.Qa3 (25.e4 Bc6-/+) 25...Bf8 (25...g4 26.Nh4-/+) 26.Bf1 (26.e4 Be6 27.d4-/+) 26...Bc6 (better is 26...g4 27.Nh4 Be6–+) 27.Qb3?? (better is 27.d4 Qd5 28.Qb4-/+) 27...Qb3–+ 28.Nb3 Bf3 0–1. McNabb,Matthew David (2080) – Rains,Edward (2015), 123. ch–NZL Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

6.e4 a6 7.a4 e5 8.Be2 Bg4 9.Nfd2 Be2 10.Qe2 Nc6 11.b5 Nb4 12.Nf3 ab5 13.ab5 Ra1 14.Ba1 Qa8 15.Bc3 Qa5 16.0-0 Qa4 17.Bb4 Qb4 18.Qd2 Qd2 19.Nfd2 Bh6 20.Nb3 Ra8 21.Nc3 Ra3 22.Rb1 Kf8 ½–½. hal1958 – trousersnake, playchess.de, 2003.

6.h3 e5 7.e4 b6 8.Nc3 Nc6 9.b5 Ne7 10.Be2 Bd7 11.0-0 Nh5 12.Nh2 (12.d4 ed4 13.Nd4 Nf4+=) 12...Nf4= 13.a4 f5 14.Bc1 Ne2 15.Qe2 f4 (15...c6 16.Nf3=) 16.f3 (16.a5 c6=) 16...c5 17.bc6 Nc6 18.Ba3 Nd4 19.Qa2 Be6 20.Nd5 (20.Nb5 Nb5 21.ab5 a6=) 20...Rf7 21.Nc3 Kh8 22.Nb5 Nb5 23.ab5 h5 (23...a6 24.Bb4=) 24.Bb4 Rd7 25.Be1 Bf6 26.Rf2 Qc7 27.Rc2 Qd8 28.Nf1 Bh4 29.Rcc1 Be1 30.Re1 Qg5 31.Kf2 Kh7 32.Re2 Qh4 33.Kg1 Rc7 34.Rc2 Rc5 35.Qb2 Qg5 36.Kh2 Qf6 37.g3 fg3-/+ 38.Ng3 h4 39.Nh1 Qf3 40.Nf2 Qg3 41.Kh1 Bh3 42.Nh3 Qh3 43.Rh2 Qf3 44.Kg1? Qf6 45.Qf2 Qf2–+ 46.Rf2 Rc7 47.Rf6 Rd8 48.Ra2 Rg7 49.Rf3 Rdd7 50.Raf2 g5 51.Rf5 Kh6 52.Rf8 Kh5 53.R8f5 h3 54.Kh2 Kh4 55.d4 ed4 56.Rd5 0–1. Kopp,Norbert – Zimmermann,Manfred (2010), Pinneberg–ch, 2003. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

6.Nbd2 Nbd7

7.g3 b6 8.Bg2 Bb7 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Qa8 13.Qa8 Ra8= 14.Ra1 Ra1 15.Ba1 Ne8 16.Bg7+= Kg7 17.Nd4 ½–½. Weiland,G (1980) – Panican,G (2100), Open A, Arco di Trento ITA, 2007.

7.g3 c6 8.Bg2 Qc7 (8...a5 9.b5 e5 10.bc6 bc6 11.Ng5=) 9.0-0 (9.a4 a5 10.b5 Ne8 11.Bg7 Ng7=) 9...e5 10.e4 (10.Ne1 Ne8=) 10...a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 b6 14.d4 Nh5 15.Re1 Bb7 16.Bc3 Ra8 17.Qb2 f6 (17...ed4 18.Nd4 Bd4 19.Bd4=) 18.Qb3 c5 19.bc5 dc5 (19...bc5 20.de5 fe5 21.Rb1=) 20.d5+= Bf8 (20...Bh6 21.Ra1+=) 21.Bh3 Bc8 (21...Nb8 22.Ne5 fe5 23.Be6 Kg7 24.Rb1+/–) 22.Rb1 (better is 22.Ra1 Ra1 23.Ba1+=) 22...f5?? (better is 22...Ra6+= was necessary) 23.ef5+– gf5 (23...Ndf6 24.Be5 Bd6 25.Bd6 Qd6 26.Qb6 Qb6 27.Rb6 Bf5 28.Bf5 gf5 29.Ne5+–) 24.Bf5 Nhf6 25.Be6 Kg7 26.Re1 Bd6 27.Nh4 Bb7 28.Nf5 Kf8 29.Nf3 Re8 30.Bd2 Ng4 31.h3 Re6 32.de6 Ndf6 33.hg4 Ng4 34.Qd3 (34.Qd3 e4 35.Re4+–) 1–0. Helmer,Janos (2195) – Csizmadia,Lajos (2030), Erkel Memorial op, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

6.Nbd2 e5

7.Qc2 b6 8.g3= Bb7 9.Bg2 c5 (9...Nbd7 10.0-0=) 10.bc5 bc5 11.0-0 (11.Rb1 Nc6=) 11...Nc6 12.Rab1 Rb8 13.Qa4 Qc7 (13...Qe7 14.Rfd1=) 14.a3 (14.Ng5 Nd4 15.Bd4 A) 15...cd4? 16.Qa7 h6 17.Nge4+– (17.Bb7?! hg5 18.Qb6 Qd7+/–); B) 15...Bg2 16.Kg2 ed4=) 14...Nd7 (14...Nd4 15.Nd4 Bg2 16.Ne6=) 15.e3 Nb6 16.Qc2 f5 17.Bc3 Bf6 18.h3 (18.Rb3 Ne7=) 18...Ba8 (18...Nd8=) 19.a4 (better is 19.h4!?+=) 19...a5+= 20.Rb5 Nb4 21.Bb4 ab4 22.a5 Nd7 23.Nb3 (23.Qa2 Bc6+=) 23...Bc6-/+ 24.Rb8 Nb8 25.Qa2 Na6 (25...Qb7 26.Nh4-/+) 26.Rd1 (26.Nfd2 Bd7+=) 26...Qb7 (26...e4 27.Nfd2 ed3 28.Qb1+=) 27.Ne1 f4 (27...Kg7 28.Bc6 Qc6 29.Qc2+=) 28.Bc6+= Qc6 29.Qe2 (29.e4 Qd7 30.Kg2 Kg7+=) 29...Qa4 (29...Qd7 30.Kg2+=) 30.Rb1 fg3 31.fg3 e4 (31...Bd8!?-/+) 32.de4= Qd7 (32...Nb8 33.Qd3 Be5 34.Kg2=) 33.Kg2+= Qe6 (33...Re8 34.Qd3+=) 34.Qd3 Nc7 (34...Re8 35.Rd1+=) 35.Rd1 (35.Nf3 Kg7+=) 35...Be5 36.Nf3 Qf6 (36...Bg7 37.Rf1+= (37.Qd6 Qc4 38.Rd3 Qf7–+)) 37.Rf1 Bc3 (37...Qe6 38.Ng5 Qe7 39.Rf8 Kf8 40.Nf3+=) 38.Ng1 Qf1 (38...Qe7 39.Rf8 Kf8 40.Ne2+=) 39.Qf1+/– Rf1 40.Kf1 Kf7 (40...Bf6 41.Ke2+/–) 41.Ne2 (41.Nf3 Na6+/–) 41...Be5+= 42.Kg2 (42.Kf2 Ke7+=) 42...Ke6 (42...Ke8 43.Nec1+=) 43.Kf3 (43.Nf4 Kd7+=) 43...Kd7 44.Nf4 Kc6 45.Kg4 (45.g4 Bf6+=) 45...Bf6 46.h4 Bd8 (46...Kb7!?+=) 47.h5+/– gh5 48.Kh5 Ne8 (48...Na6 49.Kh6 Nb8 50.e5+/–) 49.Nd5+= Kb7? (49...Ng7 50.Kh6 Ne6 51.a6+–) 50.e5 de5 (better is 50...Kc6!?+=) 51.Nc5+/– Ka8 52.Nb3 Nd6 53.Nb4 (better is 53.c5 Nc4 54.Nb4 Na5 55.Nd2+/–) 53...Bf6?? (better is 53...Nc4 54.e4 Ba5 (54...Na5? 55.Na5 Ba5 56.Nd3+–) 55.Na5 Nd2+/– (55...Na5? 56.Kh6+–)) 54.Nd5+– Bd8 (54...Ne4 55.Kh6 (55.Nf6?! Nf6 56.Kg5 Ne4 57.Kf5 Ng3 58.Ke6 Kb7+–) 55...Bd8 56.g4+–) 55.c5 Nb7 (55...Nc4 56.Nb6 Bb6 57.ab6 e4+–) 56.a6 1–0. Cu Hor,Winston Darwin (2305) – Andrenko,Irina (2165), 52. Capablanca Mem Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.Qc2 Nc6!? 8.b5 Ne7+=.

7.Qc2 Nbd7 8.g3 Qe7 9.Bg2 Re8 (9...a5 10.a3=) 10.0-0 a5 11.a3 c6 12.h4 (12.Ne4 b6=) 12...h6 13.Nb3. Janek – Frederico, internet, 2018.

7.Qc2 Nh5 8.e3 f5 9.Be2 Be6 10.a4 Nd7 11.Nb3 c6 12.Nfd2 d5 13.Bh5 gh5 14.a5 Qe7 15.Ba3 Qg5 16.0-0-0 (16.0-0 Qg6=) 16...Kh8 (16...f4!?-/+) 17.g3 Qf6 18.f4 Qf7 (18...Qe7 19.fe5 Ne5 20.Nd4+=) 19.Nf3= h6 20.Bb2 dc4 21.dc4 e4 22.Bg7 Kg7 23.Nfd4 Kg6 (23...Rad8 24.Ne6 Qe6 25.c5+=) 24.Ne6+/– Qe6 25.c5 Nf6 26.Rd6 Qf7 27.Rhd1 Kh7 28.Nd2 Nd5 29.Qb3 Rad8 30.Nc4 Rd6 ½–½. Mehlhorn,Uwe (2125) – Gempe,Thomas (2215), Oberliga Ost–B, 1996. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.e3 Qe7 8.Be2 Nbd7 9.0-0 Ne8 10.Qc2 f5? 11.c5!–+ Ndf6 12.Rfc1 h6 13.b5 b6 14.cd6 cd6 15.a4! Be6 16.a5 Rc8 17.Qa4!–+ Rc1 18.Rc1 Nd7 19.Qb4 ba5 20.Qa5 Nb6 21.Nc4! Nc4 22.dc4 Rf7 23.c5! e4 24.cd6 Nd6 25.Ne5 Be5 26.Be5 Kh7 27.g3 Nc8 28.Bd4 Qb7? 29.Qd8 Rg7 30.Bg7 Qg7 31.Rc7–+. Benko – Cobo, Orense 1973.

7.e3 Nh5 8.Rb1 (8.h3 f5=) 8...f5 9.Be2 Be6 (9...Qe7 10.Ng1 Nf6 11.Rc1=) 10.0-0 (10.h4 Bh6+=) 10...Nd7 11.Ne1 Nhf6 12.a4 (12.Qc2 Qe7=) 12...g5 (12...a5 13.b5=) 13.d4 e4 14.d5 Bf7 15.Nc2 f4 (15...Ne8 16.Nd4 Bd4 17.Bd4+=) 16.Nd4 Re8 (16...Ne5 17.Qb3+/–) 17.Nf5 (17.Qc2 Ne5+=) 17...Bf8 (17...Ne5 18.Rc1+/–) 18.Nb3 (18.h4 f3 19.gf3 Bg6 20.hg5 ef3+/–) 18...Bg6 (18...Ne5 19.Nfd4+/–) 19.Nbd4 (19.Nfd4 Bf7 20.Qc1 fe3 21.Qe3+/–) 19...Ne5+= 20.f3 (20.Rc1!?+=) 20...ef3= 21.Bf3 Nc4 22.e4?? (better is 22.ef4 gf4 23.Qc1 Nb2 24.Rb2+=) 22...Nb2 (better is 22...Ne4 23.Be4 Re4–+ (23...Nb2?! 24.Qc2 Qf6 25.Rbe1-/+)) 23.Rb2-/+ Ne4 24.Bh5?? (better is 24.Qc2 Bf5 25.Nf5-/+) 24...Re5–+ 25.Ne6 Re6 (better is 25...Bh5 26.Qh5 Qf6–+) 26.de6 Qf6 (better is 26...Bf5 27.Qd5 Qf6 28.e7 Kh8–+) 27.Bg6-/+ hg6 28.e7 Qb2 29.Qd5= Kh8 30.Qe4 gf5 31.Qe6?? Be7! 32.Qe7 Qd4 33.Kh1 Qg7 34.Qe6 Rf8 35.Qd5 b6 36.a5 Qe5 37.Qd1 Kg7 38.Re1 Qf6 39.Qd5 Re8! 40.Rc1 Re7 41.h3 Qe5 42.Qd1 Qe3 43.a6 g4! 0–1. Epstein,Robert (2085) – Kamberi,Sonny (2345), Texas–ch Dallas, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.e3 h6 8.Be2 Nh5 9.Ng1 Nf6 10.Ngf3 Nh5 ½–½. Appleberry,Martin (2250) – Hedjazian,Kayhan (2080), Paris–ch opA, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.g3 Nc6 8.b5= Ne7 9.Bg2 Bd7 10.0-0 Qc8 11.Re1 Bh3 12.Bh1 h6 13.a4 Ng4 14.a5 e4 15.Bg7+/– e3 16.fe3 Ne3 17.Qc1 Kg7 18.Ne4 Ng4 19.Qb2 f6 20.a6 b6 21.d4 Qf5 22.Nh4 Qh5 23.Nf2+/– Nf2 24.Ba8 Ra8 25.Kf2 Nf5 26.Nf5 Bf5 27.Kg1 Be4 28.Rf1 Re8 29.Rf2 Qh3 30.Re1 h5 31.Qc3 h4 32.Qe3 f5 33.Qg5+= Rh8? 34.g4! Qg4 35.Qg4 fg4 36.Rf4 Re8 37.Rg4 Bf5 38.Rf4 Re3? 39.Kf2 Rc3 40.Rg1 Bc2 41.d5 Bb3 42.Rfg4 Kf6 43.Rg6 Ke5 44.Re6 Kd4 45.Rg4 Kc5 46.Rg7 Bc4 47.Rc7 Kb5 48.Ra7 Bd5 49.Rh6 Ka5 50.Rh5 Rc5 51.Rd7 (51.Rd7 Bc6 52.Rc5 dc5 53.Rd6+–; 51.Rh4?! Bc4+–) 1–0. Valenta,Vit jr (2160) – Kovar,V (2210), Czech Christmas, Litomysl CZE, 2005.

7.g3 Nc6 8.b5 Ne7 9.Bg2 Nd7 10.Qc2 11.e3 Nc5 12.0-0 f4 13.ef4+/– Bf5 14.Ne1 ef4 15.Bg7+/– Kg7 16.Qc3 Kg8 17.d4 Ne6 18.Bb7 Bh3 19.Bg2 Bg2 20.Ng2 Nf5 21.Nf3 Qf6 22.Rad1 g5 23.g4+– Nfg7 24.Rd3 h5+/– 25.h3 hg4 26.hg4 Kf7 27.d5 Qh6?? 28.de6+– Ne6 29.Re1 Rh8 30.Kf1 Qh1 31.Ng1 Rh2-/+ 32.Rg3 Rah8 33.Nf4= gf4 34.Qf3 Qf3 35.Rf3 R2h4 36.Re6 Ke6 37.Rf4 Rg8 38.f3 Rh2 39.Ne2 Rh1 40.Kf2 Ra1 41.Nc3 Rh8 42.Re4 Kd7= 43.Nd5 Ra2 44.Kg3 Rf8 45.g5 a5? 46.ba6 Ra6+= 47.Nf6 Kc6 48.Kg4 Ra1 49.Kf5+= Rg1? 50.g6+– Rg3 51.f4 Rg1 52.Re7 Rf1 53.Rf7 Rc8 54.g7 Ra8 55.Rf8 Ra5 56.Nd5 Rg1 57.g8Q Rg8 58.Rg8 Kc5 59.Nc7 Kc4 60.Ke6 Kd4 61.Rg5 Ra4 62.f5 (62.f5 Ra1 63.f6 Re1 64.Kd6+–) 1–0. Poteas,I (2160) – Vazelakis,D (2085), Autumn, Nea Filadelfia GRE, 2008.

7.g3 Bd7 8.Bg2 Qc8 (8...a5 9.b5=) 9.h3 Nc6 (9...a6 10.g4=) 10.b5 (10.a3 a6=) 10...Nd8 11.a4 a6 12.Nb3 (12.e3 Ne6=) 12...Re8 13.Nfd2 (13.g4 Ne6=) 13...Ra7 (13...h6 14.e3=) 14.e3 Ne6 (14...h6 15.d4=) 15.0-0 Ng5 (15...h6 16.f4 ef4 17.gf4=) 16.h4 (16.g4 Ne6=) 16...Ne6 (16...Nh3 17.Kh1=+) 17.d4 (17.Ne4 Ne4 18.Be4 f5=) 17...ed4 18.ed4 Nf8 (18...c6 19.Qf3 g5 20.d5=) 19.Re1 ab5 (19...Re1 20.Qe1 d5 21.ba6 Ra6 22.Nc5=) 20.Re8 (20.ab5 Bg4 21.Qc1 Re1 22.Qe1 Ra1 23.Qa1 d5=) 20...Qe8 21.ab5 Bg4 22.Qc1 Ra1 23.Ba1 b6 24.d5 N8d7 25.Bd4 Nc5 26.Nc5 bc5 27.Bc3 Nd7 28.Bg7 Kg7 29.Qc3 Qe5 30.Qe5+= Ne5 31.f4 Nd7 32.Kf2 Bf5 33.Bf3 h5 34.Nf1 Bd3 35.Ne3 f5 36.Ke1 Nb6 37.Be2 Be2 38.Ke2 Nd7 39.Kd3 Nf6 40.Nf1 Kf7 41.Kc2 Ke7 42.Kb3 Kd8 43.Ka3 Kc8 44.Kb3 Kb7 45.Ka3 Kb6 46.Ka4 Ne4 47.Ka3 ½–½. Kagan,Shimon – Benko,Pal, Netanya, 1969.

7.g3 Re8 8.Bg2 a5 9.ba5 Ra5 10.0-0 Nc6 11.Ne1 Bg4 12.Nb3 Ra8 13.Nc2 Qd7 14.a3 Bh3 15.e4 h5 16.f4 Bg4 17.Qd2 ef4 18.Qf4 (18.gf4? Ne4 19.Be4 Bb2–+) 18...Ne5 19.Qd2 Bh3 20.Ne3 Bg2 21.Kg2 (worse is 21.Ng2 Ne4 22.Qd1 Ng5-/+) 21...Nfg4 22.Nd5 c6 (22...b5!? 23.cb5 Qb5 24.Be5 Ne5=) 23.Nb6+= Qe7 24.Na8 Bh6 25.Qe2 Ne3 26.Kh1 Nf1 27.Rf1 Ra8 28.d4?? (better is 28.Kg1=) 28...Nd7?? (better is 28...Nc4 29.Re1 d5–+ (29...Na3?! 30.Ra1 d5 31.Nc5-/+)) 29.Qf3 ½–½. Thoma,Robert (2300) – Amann,Guenter (2280), Goetzis IM 4th, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.g3 Re8 8.Bg2 Nbd7 9.0-0 Nh5 10.Qb3 Nf8 11.e3 Kh8 12.Ne4 f5 13.Neg5 Qe7 14.d4?? (better is 14.Nh3=) 14...e4–+ 15.c5 h6 (15...ef3 16.Nf7 Qf7 17.Qf7 fg2 18.Qe8 (18.Kg2?! Be6 19.Qc7 Bd5 20.f3 Rac8=) 18...gf1R 19.Rf1+/–) 16.cd6 cd6 17.Ne4 (17.Nh3 ef3 18.Bf3 Nf6–+) 17...fe4 (worse is 17...Qe4 18.Ne5 Be6 19.Qa4+=) 18.Nd2 Nf6 19.d5 Bf5 20.Rad1 Rac8 21.h3 h5 22.Rfe1 N8d7 23.Nc4 Nh7 24.Ba3? Ne5 25.Nd2 Nf3! 26.Bf3 ef3 27.e4 Bh3 28.Nc4 b5 29.Na5 Rc3 30.Qb2 Bg2 31.e5 Be5 32.Nc6 Rc6! 33.dc6 Qe6 34.Rd4 g5 35.g4 h4 36.Rde4 h3 37.Re5 h2! (37...h2 38.Kh2 Qh6 39.Kg1 Qh1; 37...de5?! 38.Qe5 Qe5 39.Re5–+) 0–1. Bettman,Jan (1835) – Druon,Roger (2175), Pierrevert op rapid, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.g3 Nh5 8.Qc2 Na6 9.a3=.

7.g3 Nh5 8.Qc2 f5 9.Bg2 a5 10.b5 Be6 11.0-0 Nd7 12.a4 g5 13.Nb3 g4 14.Nfd2 f4 (better is 14...Ra7!?+=) 15.Bb7+– Ra7 16.Bg2 Qg5 17.Ne4 Qg6 18.Nbd2 Bh6 19.Rad1 Bf5 20.c5 d5 21.Nc3 f3 22.Nd5 Qf7 (22...Kf7 23.ef3 Bd3+–) 23.ef3 Qd5 24.fg4 Qd3 25.Qd3 Bd3 26.gh5 Bf1 27.Bf1 Nc5 28.Bc4 (28.Bc4 Kh8 29.Nf3+– (29.Be5?! Bg7 30.Bg7 Kg7+–)) 1–0. Dobrei,Gheorge Marcel (2200) – Thompson,Brian (1875), AR–2003–F–00006, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.Nbd2 e5)

7.g3 Nh5 8.Qc2 f5 9.Bg2 Be6 10.0-0 Nd7 11.e4 (11.Nb3 c6=) 11...f4 (11...a5 12.a3=) 12.d4 ed4 (12...a5 13.a3=) 13.Nd4 Bf7 14.N4f3 (14.g4 Nhf6 15.g5 Ng4=) 14...Qe7 (14...fg3 15.fg3 Qe7 16.Bg7 Ng7 17.a3=) 15.Bg7 Ng7 16.Qc3 (16.gf4 Qf6=) 16...Be6 (16...fg3 17.fg3 Rae8 18.Qe3=) 17.Nd4 (17.Rae1 Rad8+=) 17...Ne5 18.c5 (18.gf4 Rf4 19.Ne2 Rf7=) 18...Rad8 (18...dc5 19.Ne6 Qe6 20.bc5=) 19.c6= b6 (19...bc6 20.Nc6 Nc6 21.Qc6=) 20.gf4 Rf4 21.Ne2 Nh5 (21...Rf7 22.f4 Ng4 23.Nf3=) 22.Kh1 Rdf8 23.Nf4+/– Nf4 24.Nf3 Ng2 25.Ne5 Nh4 26.Nd7 Rf3 27.Qd2 Bc4 28.Qd4 Bf1 29.Rf1 Qg5 30.Qd5 Qd5 31.ed5 Kf7 32.Nb8 Nf5 33.Kg2 Ra3 34.Ra1 b5 35.Nd7 g5 36.Rd1 Ra2 37.Rd3 Nh4 38.Kg3-/+ h5 39.h3 a5 40.ba5 b4 (40...b4 41.a6 Ra6–+) 0–1. Helmer,Janos – Petrovic,Djordje, SH–2006–0-00052, 2006.

7.h3 Re8 8.Qc2 Nbd7 9.Bc3 c5 10.a3 b6 11.e3 Bb7 12.Be2 d5 13.bc5 bc5 14.cd5 Nd5 15.e4 Nc3 16.Qc3 Rc8 17.Rb1 Qc7 18.0-0 Nf8 19.Rfc1 Ne6 20.Rb5 Qe7 21.Qa5 Nd4 22.Nd4 cd4 23.Rcb1 Ba8 24.Nc4 Rc4 25.dc4 Be4 26.R1b3 Qg5 27.Bf1 d3 28.Rb8 Rf8 29.Rf8 Bf8 30.Rb8 d2 31.Rd8 Kg7 32.Qd2 Qe7 33.Rd7 Qa3 34.Rc7 Bd6 35.Rd7 Bc5 36.Qe2 Qg3 37.Rc7 Bd4 38.c5 Qf4 39.Qa2 Bd5 40.Qe2 e4 41.Rd7 Bc4 42.Qe1 Bf1 43.Rd4 Bd3 44.Qc3 Qf6 45.c6 Ba6 46.c7 Bc8 47.Rc4 1–0. Dalusung – Betanco, California 1993.

6.e4 e5

7.Nbd2 a5 8.b5 a4 9.d4 ed4 10.Bd3 Bg4 11.Bd4 Re8 12.Qc2 Bf3 13.Nf3 Ne4 14.Be4 f5 15.Bg7 Re4 16.Kd2 Kg7 17.Rae1 Rg4 18.Rhg1 Nd7 19.Qc3 Kg8 20.h3 Re4 21.Qd3 Nc5–+ 22.Qd5 Kg7 23.g4? Qf6 24.Kc2 a3 25.gf5 Qb2 26.Kd1 Qb1 27.Kd2 Qa2 28.Kd1 Qb3 29.Kd2 Qf3 30.Rgf1 0–1. Fritz 5.32 – Fritz 8, 2004.

7.Be2= Nh5 8.0-0 Bg4 (8...f5 9.Nbd2=) 9.h3 (9.Nd4 Be2 10.Ne2 f5=) 9...Bf3 10.Bf3 Nf4 11.Nc3 Nc6 12.a3 Nd4 13.Bc1 f5 (13...a5 14.b5=) 14.Bf4 ef4 15.Ra2?? (better is 15.Rc1=) 15...Nf3–+ 16.Qf3 Bc3 17.Qf4 Be5 18.Qd2 c5 19.bc5 dc5 20.Qe2 Qd4 21.ef5 Rf5 22.Qe3 Raf8 23.Qd4 Bd4 24.g4 Rf3 25.Kg2 Rd3 (25...Rd3 26.Re1 Rc3–+) 0–1. hal1958 – taroak, playchess.de, 2003.

6.g3 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 c5 10.bc5 Qa5 11.Nbd2 Qc5 12.Bg2 b5 13.0-0 bc4 14.Nc4 Be6 15.Nfd2 Nbd7 16.Nb3 Qh5 17.Ne3 (17.e3 Bg4 18.f3 Be6=) 17...Ne5 18.Nd2 Bh6 19.Ndc4 Ned7 20.Bf3 Qb5 21.Qb1 Qa4 22.Bf6 Nf6 23.Qa1 Qd7 24.Nb6 Qb5 25.Rb1 Qc5 26.d4 Qc7 27.Nbd5 Nd5 28.Nd5 Bd5 29.Bd5 e6 30.Bf3 Bg7 31.e3 d5 32.Rc1 Qd6 33.h4 h6 34.Qa7 Qb4 35.Qc5 Qb2 36.Qc2 Qa3 37.Qc3 Qe7 38.Qc7 Qf6 39.Kg2 Qf5 40.Qc2 Qf6 41.Qc7 g5 42.hg5 hg5 43.Qb7 Qg6 44.Rc8 g4 45.Rf8 Bf8 46.Be2 Qe4 47.Kg1 Bh6 48.Qb3 Qg6 49.Qd1 f5 50.Qa4 Bg5 51.Qd7 Qf7 52.Qf7 Kf7 53.Kf1 Ke7 ½–½. Adamski,J (2340) – Kempinski,R (2595), 7th Amplico AIG Life, Warsaw Poland, 2007.

7.b5 c6 8.Bg2 e5 9.bc6 (9.Nc3 Re8 10.0-0 d5 11.cd5 cd5 12.Rc1 Bf5 13.h3 Bh6 14.Rc2 d4= 0.22) 9...bc6 10.0-0 (10.c5 Nfd7 11.Qc1 d5 12.0-0 Na6 13.Nbd2 Rb8 14.Rb1 Qe7-/+ –0.84) 10...Nbd7 11.Nbd2 (11.Bc3 Re8 12.Na3 Qc7 13.Rb1 Nc5 14.h3 e4= –0.13) 11...Rb8 (11...Qc7 12.Bc3= Nc5 13.Rb1 Bf5 14.Nb3 Nb3= 0.03) 12.Bc3 Re8 (12...Nc5 13.Nb3 Nb7 14.Rb1= Ra8= 0.22) 13.Qa4+= Nc5 (13...Nb6 14.Qa5 Ra8+= 0.59) 14.Qa3 (14.Qa5 Qa5 15.Ba5+=) 14...a4 (14...Nb7 15.Rab1=) 15.Rad1 (15.Ne5!? de5 16.Qc5+/–) 15...Qe7 (15...Nfd7 16.d4 ed4 17.Nd4=) 16.Bb4 Nfd7 17.e3 Bf8 18.d4 Na6 19.Bc3 e4 20.Ne1 d5 21.Qa4 Nb6 22.Qa5 Bg4 23.Rc1 Qb7 24.c5 Nc4 25.Nc4+– dc4 26.Rc2 Nc7 27.h3 Nd5? 28.Rb2+– Qb2 29.Bb2 Be2 30.Qd2 Bf1 31.Bf1 Rb4 32.a3 (32.a3 c3 33.Bc3+–) 1–0. Rehorek,M (2250) – Jaros,Martin, 9th Open, Pilsen–Lobzy CZE, 2003.

6.g3 c6

7.Bg2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qa4 Na6 12.Bc3 Ng4 13.d4 e5 14.Qa5 Qa5 15.ba5 e4 16.Nfd2 e3 17.fe3 Ne3 18.Be4 Bh3 19.Rg1 Be6 20.Bd3 d5 21.c5 Nc7 22.Na3 Bh3 23.Nf3 Ne6 24.Bd2 Ng4 25.e3 Re8 26.Nc2 Bh6 27.Ke2 Ng5 28.Ng5 Bg5 29.Rb1 Re7 30.Rb6 Nh2 31.Ke1 Nf3 32.Kd1 Nd2 33.Kd2 Rc7 34.Nb4 Bd7 35.a6 ba6 36.Ba6 Kg7 37.Bb7 Bd8 38.Nc6 Rb7 39.Nd8 Rc7 40.Rb7 Rb7 41.Nb7 Kf6 42.Nd6 Ke6 43.Ke2 h5 44.Kf3 f6 45.Kf2 Ke7 46.Kg2 Ke6 47.Kf2 Ke7 48.Kg2 ½–½. Atay,Sergen (1685) – Dastan,B (2245), Kocaeli TUR, World Youth U16 Ol, 2011.

7.Bg2 Qb6 8.Qb3 a5 9.ba5 Qa5 10.Bc3 Qa4 11.Nfd2 Nbd7 12.Qa4 Ra4 13.Bb2 Nc5 14.Nc3 Ra6 15.a4 Rb6 16.Ra2 Bf5 17.a5 Rb2 18.Rb2 Bd3 (18...Nfd7 19.Rc2 Ra8 20.Nde4=) 19.ed3 (19.Ra2 Bf5+=) 19...Nd3= 20.Kd1 Nb2 21.Kc2 Nc4 22.Nc4 d5 23.Nb6 Ng4 24.Re1 e6 25.f3 Nf6 (worse is 25...Nh2 26.Rh1 Nf3 27.Bf3+/–) 26.Nca4 Rb8 27.Kd3 Bf8 28.Rc1 Bb4 29.a6 ba6 30.Rc6 a5 31.Kd4 Kg7 32.Bf1 h5 33.Rc8 Rb7 34.Ba6 Re7 35.Kd3 e5 36.Ke2 e4 37.Rd8 ef3 38.Kf3 Re5 39.Bb7 Be7 (39...Ng4 40.Nd5 Nh2 41.Kg2 Re2 42.Kg1+=) 40.Ra8= Bb4 41.Rd8 Be7 42.Rc8 d4 ½–½. Shatskes,B – Estrin,Yakov, Ch Moscow, 1964. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 c6)

6.g3 e5

7.Nbd2 a5 8.ba5 (8.b5 Qe7=) 8...Ra5 9.Bc3 Ra7 10.Bg2 Nbd7 11.0-0 Nc5 12.a4 Bd7 13.a5 Qe8 14.Ra3 Na4 15.Qa1 (15.Ba1!?=) 15...Nc3-/+ 16.Qc3 e4 17.de4 Ne4 18.Qb4 Nc5 19.e3 Ne6 (19...Qe7 20.Nd4+=) 20.h4 (20.Ne4 h6+=) 20...Bc6 21.Rb1 Qa8 22.Ne1 Bg2 23.Ng2 Rb8 24.Ne4 Nd8 25.c5 Nc6 26.Qb5 (26.Qc4 Ne5 27.Qc2 d5-/+) 26...dc5 (26...d5 27.Ng5+=) 27.Qc5 (27.Nc5 b6 28.Nd7 Rd8-/+) 27...b6 28.Qg5 (28.Qc2!?+=) 28...Ra5 (28...Ne5 29.Nf6 Bf6 30.Qf6 Ra5 31.Ra5 Qa5 32.Ne1-/+) 29.Ra5 Qa5 (better is 29...ba5 30.Rb8 Qb8 31.Nf6 Bf6 32.Qf6 Qb1 33.Kh2 Qe4+=) 30.Rb5?? (better is 30.Nf6 Bf6 31.Qf6-/+) 30...Qa1–+ 31.Kh2 Ne5 32.Ne1?? c6 33.Rb6 Re8 34.f4 h6 (34...h6 35.Qe5 Be5 36.fe5 Qe5–+; 34...Qe1?! 35.fe5 Be5 36.Rc6 Qe2 37.Kg1-/+) 0–1. Nivala,Tuomas – Manninen,Marko (2420), Lahti We LahS op, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6)

7.Nbd2 Nbd7 8.Bg2 Qe7 9.a3=.

7.Nbd2 Nbd7 8.Bg2 Re8 9.Qc2 h5 10.0-0 c6 11.e4 Qe7 12.Nb3 Nh7 13.a4 Ng5 14.Ng5 Qg5 15.f4 Qe7 16.f5 Nf6 17.Rae1 h4 18.Qc3 (18.fg6!? fg6 19.gh4+/–) 18...hg3= 19.hg3 Ng4 20.Bc1 gf5 21.ef5 e4 22.d4 e3 (22...d5 23.Rf4 Nf6 24.c5+=) 23.Rf4 Qg5 24.Qc2 Bh6 (24...Nh6 25.Re3 Re3 26.Be3 Qg3 27.Qf2 Qf2 28.Bf2 Nf5 29.d5+=) 25.Bf3 Nf2 26.Kg2 Qf6 27.Rh4 (27.Re3?! Re3 28.Be3 Bf4 29.gf4 Nh3+–) 27...Bg5 (27...Re7 28.Qc3 Bf5 29.Rh6 Qh6 30.Be3 Qh3 31.Kf2 Qh2 32.Bg2 Bh3–+) 28.Qf2!+– Bh4 (28...ef2 29.Re2 Double attack (29.Re8 Pinning; 29.Re8 Deflection; 29.Re2 Decoy)) 29.Be3 Qg7?? (better is 29...Re3 30.Re3 Bg5 31.Re8 Kg7+–) 30.Bh6!! Re1 (30...Qh6 31.Re8 Double attack (31.Re8 Discovered attack)) 31.Bg7 Rb1 32.f6 Bg5 (32...Bf6 33.Bf6 Bf5 34.Qe3 Rb2 35.Nd2+–) 33.Qc2 Re1 34.Be4 (34.Be4 Bf6 35.Bf6+–) 1–0. Schueller,Ernst (2200) – Maurer,Jochen (2105), Oberliga Bayern, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5)

7.Nbd2 Nbd7 8.Bg2 Nh5 9.e4 (9.d4 Qe7=) 9...Qe8 (9...c5 10.a3=) 10.0-0 f5 (10...a5 11.a3=) 11.Qb3 (11.ef5 gf5 (< 11...Rf5 12.g4 Rf3 13.Qf3+/–) 12.Re1 a5+=) 11...c5 (11...Ndf6 12.ef5 Bf5 13.Rae1+=) 12.ef5+= gf5 (< 12...Rf5 13.g4 Rf3 14.Bf3+/–) 13.Rae1 Rb8 (13...Qg6 14.Bc3+=) 14.d4 (14.bc5!? Nc5 15.Qa3+/–) 14...e4+= 15.bc5 (15.dc5 Bb2 16.Qb2 dc5 17.bc5 Nc5+=) 15...dc5= 16.Ne5 (16.d5 Bb2 17.Qb2 b5 18.cb5 Nhf6=) 16...Ne5 (better is 16...cd4!? 17.c5 Kh8 18.Nd7 Bd7 19.Ne4 fe4 20.Re4 Qg6 21.Bd4 Bc6 22.Bg7 Ng7-/+) 17.de5= Be5? (better is 17...b5=) 18.Ne4!+– Bb2 19.Nc3 Qg6+/– 20.Qb2 Qg7 21.Qd2 Nf6 22.Qd6+– Bd7 23.Re7 Qg4?? 24.Nd5 (24.Nd5 Qg5 25.Nf6 Qf6 26.Qd7+–; 24.Rd7?! Nd7 25.Qd7 Kh8+–) 1–0. Kievelitz,Bernd (2075) – von Loehneysen,Leonard (1855), Eckbauer Open, 1999.

7.Nbd2 Qe7 8.Qc2 Nh5 9.Bg2 f5 10.0-0 c6 11.a4 Nd7 12.a5 a6 13.Bc3 Kh8 14.Qb2 Rb8 15.Kh1 Bf6 16.Bh3 Ng7 17.e4 c5 18.b5 Ra8 19.Rg1 Rf7 20.Nf1 Nf8 21.Ne3 fe4 22.Nd5 Qd8 23.Bc8 Rc8 (23...ef3!? 24.Bg4 ab5 25.cb5 Bg5=) 24.de4+= Nge6 25.Qe2 Bg7 26.Ra3 Nd4 27.Nd4 cd4 28.Bb4 Ne6 29.Rf1 Nc5 30.f4 ef4 31.Nf4 g5 (31...Qe8!? 32.Bc5 Rc5=) 32.Bc5+= gf4 33.Qh5 (better is 33.Bb6!? Qg5 34.Raf3+=) 33...Qe7+= 34.Bd6 Qe4 35.Qf3 Qf3 36.Rff3 Rc4 37.ba6 ba6 38.Rab3 h6 39.Bf4 (39.Rb6 d3 40.Rd3 f3+=) 39...Re7 40.Kg2 Ra4 41.Rb6 Ra5 42.Bh6 Re2 (42...Ra2 43.Rf2 Ra3 44.Bg7 Kg7 45.Rd6+=) 43.Rf2= Rf2 44.Kf2 Ra2 45.Kf3 Rh2 46.Bg7 Kg7 47.Ra6 d3 48.Rd6 d2 49.Kg4 (49.Ke3 Kf7=) 49...Rg2 (49...Rf2 50.Kh4+=) 50.Kh4 (50.Kf3 Rh2=) 50...Rh2 51.Kg5 (51.Kg4 Rf2+=) 51...Rg2 (51...Rf2 52.g4+=) 52.g4 Rf2 ½–½. Gomez Feria,Jose Maria (1985) – Ruiz Garcia,Jose Manuel (2115), ESP–ch Seniors, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5)

7.Nbd2 Nh5 8.Bg2 (8.Qc2!?=) 8…e4!-/+ (8...e4 9.Bg7 ef3 10.Bf8 fg2-/+) 0–1. Thoma,Robert (2300) – Stanec,Nikolaus (2465), AUT–chT, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 d6 6.g3 e5)

5.d4 a5

6.a3 b6 7.e3 Bb7 8.Be2 Nc6 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.b5+= Nb8 10.a4 d6 11.0-0 Nbd7 12.Nbd2 Qe8 13.Nb3 e5 14.Rc1 ed4 15.ed4 Qe4 16.Re1 Qf4 17.Rc2 Ng4 18.Bc1 Qf6? (better 18...Qf5!?+/-) 19.h3 Nh6 20.Bg5 Qf5? (20...Qe6 21.Qd2 Nf5+-) 21.Bd3 Bf3 22.Qf3 (better 22.Qd2 f6 23.Bf5 (23.Bh6?! Qh5 24.Bg7 Kg7+-) 23...Nf5 24.Bf4+- (24.gf3?! fg5 25.Qd3 Nf6+-)) 22...Qf3?? (better 22...Qg5 23.Qc6 Qd8-+) 23.gf3+= Rfe8 24.Rce2 Re2 25.Re2 (worse 25.Be2 Nf5 26.d5 Re8=+) 25...Nf6 26.Kf1 Kf8 27.Be4 Ne4 28.fe4 (28.Re4?! Nf5=) 28...Re8 29.f4 Ng8 30.e5 Ne7 31.Be7 Re7 32.Kf2 de5 33.fe5 f5 34.Kf3 Kf7 35.Na1 Ke6 36.Nc2 Kd7 37.Ne3 c6 (37...Re6!?+/-) 38.bc6+- Kc6 39.Nd5 Re8 (39...Rb7 40.Re1+-) 40.Rb2 Rb8 41.Ke3 Bf8 42.Kd3 g5 (42...Rb7 43.Nf4+-) 43.Rb5 (43.h4 gh4 44.Rf2 Re8+-) 43...h5 (43...Rb7 44.Nf6 Rf7 45.Nh5+-) 44.Nf6 White prepares the advance d5 44...h4 (44...Ba3 45.c5 Rb7 46.d5 Kc7 47.d6 Kc6 48.e6 Bc5 49.e7 Re7 50.de7 Be7 51.Rf5 Bf6 52.Rf6 Kc5 53.Kc3+-) 45.d5 (45.c5!? g4 46.d5 Kc7 47.cb6 Kb7 48.hg4 fg4 49.Ng4 Bb4+-) 45...Kc7 46.d6 Kd8? (46...Kc6 47.Kd4 g4 48.hg4+-) 47.Rd5 (47.c5 f4 48.c6+-) 47...Bg7 48.Nh5 Bh8? (better 48...Bf8 49.Rb5 Kd7+-) 49.e6 g4 (49...Ke8 50.Rf5 Rd8+-) 50.Rf5 Ke8 51.hg4 (better 51.Rg5 Kf8 52.e7 Kf7 53.Rf5 Ke6+-) 51...h3 (51...Rd8 52.d7 Ke7 53.Nf4+-) 52.Rf3 (better 52.Rg5 Kf8 53.e7 Kf7 54.Rf5 Ke6 55.Rf8 Kd6 56.Rb8 Ke7 57.Rh8+-) 52...Rd8 53.d7 Ke7 54.Nf4 Be5 55.Ng6?? (better 55.Nd5 Ke6 56.Rh3 Kd7 57.Nb6 Ke6 58.Nd5+-) 55...Ke6+/- 56.Ne5 Ke5 57.Rh3 Rd7 58.Kc3 Rg7 59.Rh6 (better 59.Re3 Kf4 60.Re6 Rg4 61.Rb6 Rg3 62.Kd4+/-) 59...Ke4? (better 59...Rg4 60.Rb6 Rg3 61.Kd2 Kd4=) 60.Rb6 (60.Re6 Kf3 61.Rb6 Kg4+-) 60...Rg4 61.Rb5 (61.Re6!? Kf4 62.Ra6 Rg5+-) 61…Rg3+/- (61...Rg3 62.Kd2 Rg2 63.Ke1 Ke3+/-). mecker (2170) - pacal56 (2130), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4)

6.b5 b6

7.Nc3 Bb7 8.e3 d5 (8...Ng4 9.Be2+=) 9.Qb3 (9.Rc1 c6+=) 9...dc4 10.Bc4 e6 11.0-0 Bf3 12.gf3 c6 (12...c5 13.dc5 bc5 14.Rfd1+=) 13.a4 (13.Rfc1 Nfd7+=) 13...Nd5 14.Ne4 (14.bc6 Nc3 15.Bc3 Nc6 16.Rfc1+=) 14...Nf6 (14...cb5 15.Qb5 Na6 16.Ba3+=) 15.Kh1 (15.bc6 Nc6 16.Be6 Nd4 17.Bd4 Ne4 18.Bg7 Nd2+/–) 15...Ne4+= 16.fe4 Qf6 (16...Qh4 17.e5+=) 17.Qd1 (17.f4 c5+/–) 17...c5 18.e5 Qh4 19.Qe2 cd4 20.ed4 Rc8 21.Bd3 Bh6 22.Bc1 Bc1 23.Rac1 Rc1 24.Rc1 Nd7 25.Qe3 Rd8 26.Rc7 Nf8 27.Be4 f5 28.ef6 Qf6 29.Rc4 Rd7 30.Bc6 Rf7 31.Kg2 Qh4 32.Qg3 Qd8 33.Be4 Rd7 34.Qe5 Qh4 35.h3 Rf7 36.f3 Qe1= 37.Rc2 Qd1 38.d5 Rf3 39.de6?? Qf1 40.Kh2 Rh3# 0–1. CountFromHolland – trousersnake, playchess.de, 2002.

7.e3 d6 8.Be2 Nbd7 9.0-0 Re8 10.Qc2 e5 11.Re1 e4 12.Nfd2 Nf8 (12...Qe7 13.Nc3+=) 13.Nc3+= Pawn e4, live or die! 13...h5 (better 13...Qe7!?+=) 14.Nde4+- Bf5 (14...Ne4 15.Ne4 Bf5 16.Bd3+-) 15.Nf6 Qf6 16.e4 Bd7 17.Nd5 Qd8 18.Qd2 (18.c5 h4+-) 18...Ne6 19.Bf3 Kh7 (19...Ng5 20.Qd3+-) 20.e5 Bh6? (20...Ra7 21.Nf6! Bf6 22.ef6+-) 21.Qd3 Ng5 (21...Bg7+-) 22.Nf6 Kg7 23.Ne8 (23.Ba8!? Bf5 24.Ne8 Qe8+-) 23...Qe8 24.Ba8 Qa8 25.ed6 Bf5 26.d5 Kh7 27.Qd4 cd6 28.f4 Nh3 (28...Ne4 29.Re4 Be4 30.Qe4+-) 29.gh3 Bh3 (29...Qf8 30.Qb6 Bf4 31.Qc6+-) 30.Re3 (30.Re7 Qb8 31.Rf7 Kg8 32.Rg7 Kh8 33.Re7 Bg7 34.Qg7) 30...Bf5 31.Re7 Qf8 32.Rae1 (32.Rf7! Kg8 33.Rc7 Qf6 34.Qf6 Bd7 35.Qh8 Kf7 36.Rd7) 32...g5 (32...Bg7 33.Qg7 Qg7 34.Bg7 Kg7+-) 33.Re8 Qg7 34.Rh8 (34.Qf2 f6 35.R8e7 gf4 36.Rg7 Bg7 37.Qf4+-) 34...Kg6 (34...Kh8 35.fg5 Kh7+-) 35.Rh6! Qh6 (35...Kh6 36.Qg7 Mate attack; 35...Qh6 36.Qf6 Mate attack) 36.Qf6 Kh7 37.Qh8 (37.Qf7 Qg7 38.Qg7) 37...Kg6 38.Qf6 (38.Qg8 Qg7 39.Qg7) 38...Kh7 39.Qf7 (39.Qf7 Qg7 40.Qg7) 1-0. negrovich1 (2145) - NaoKoala (2175), Rated Bullet game, lichess.org, 2014. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.b4 0-0 5.Bb2)

6.b5 d6

7.Nbd2 b6 8.e3 Bb7 9.Be2 Nbd7 10.a4 Re8 11.Nb3 (11.0-0 e5+=) 11...e5= 12.Rc1 White prepares c5 (12.0-0 Qe7=) 12...e4 13.Nfd2 Qe7 14.h3 Rad8 15.Qc2 d5 (15...c6!?=) 16.c5+= Bc8 17.c6 Nf8 18.g3 (18.Ra1 Qe6=) 18...Ne6 19.Ba3?? (better 19.Ra1 Nf8 20.Ba3=) 19...Qa3-+ 20.Nb1 (20.Na1 Bf8-+) 20...Qb4 (20...Qa4!? 21.Nc3 Qb4 22.Nd2-+) 21.Nc3 Ng5 22.Rb1 Nh3 (22...Qe7!? 23.g4-+) 23.Nc5 Qa3 (better 23...bc5!? 24.Rb4 cb4-+) 24.Rb3 Qa1 25.Rb1 Qa3 26.Rb3 Qa1 27.Rb1 Qb1! 28.Nb1 (28.Qb1 bc5 Combination; 28.Nb1 bc5 Combination) 28...bc5 29.Qc5 Ng5 (29...Bf8!? 30.Qc1 Bb4 31.Kf1 Ng5-+) 30.Qc3 (30.Qa7 Bf8 31.Qc7 Bb4 32.Nd2 Rd6=+) 30...Bg4 31.Bg4 Ng4 32.Nd2 (better 32.Qa5!? Ra8 33.Qc7 Ra4 34.0-0-/+) 32...Bf8-+ 33.Qa5 Bd6 (better 33...Ra8 34.Qc7 Ne6-+ (34...Ra4 35.Rh4 h5 36.Rg4 Ra1 37.Ke2 hg4 38.Nb3-+)) 34.Qc3=+ Nf3 (34...Ra8 35.a5=+) 35.Nf3= ef3 36.Rf1?? (better 36.0-0=) 36...Bg3!-+ 37.a5 (37.fg3 Re3 Double attack) 37...Re3 38.Qe3 Ne3 39.Kd2 (39.fg3 Nf1 40.Kf1 Kf8-+) 39...Nf5 (better 39...Nf1 40.Kc3 Bf2-+) 40.b6 (40.fg3 Nd4 41.Rb1 f2-+) 40...Nd6 (40...Bf4 41.Kd3 cb6 42.ab6-+) 41.Kc3 (41.fg3 Nc4 42.Kc3 Na5-+ (worse 42...cb6 43.ab6 Nb6 44.Kb4-+)) 41...Nc4 (better 41...Ne4 42.Kd3 Nf2 43.Ke3 cb6 44.ab6-+) 42.Kb4 (42.fg3 Na5 43.Kb4 cb6 44.c7 Nc6 45.Kb5 Nd4 46.Kb6-+) 42...Rc8 (better 42...Bd6 43.Kb5 Ra8-+) 43.b7=+ Rb8?? (better 43...Bd6 44.Kb5 Rf8=+) 44.a6 Nb6 (44...Bd6 45.Kb5 Nb6+-) 45.Re1 (better 45.a7 Bd6 46.Kc3+-) 45...Rd8?? (better 45...Bf2 46.Rf1 Nc8 (worse 46...Bd4 47.a7 Rf8 48.b8Q+=) 47.Rf2 Na7=+) 46.Re8 (better 46.fg3 Kg7 47.a7+-) 46...Re8-+ 47.a7 Re1 (47...Bf2 48.b8Q Rf8-+ (worse 48...Rb8 49.ab8Q Kg7 50.Qc7 Bd4 51.Qf4+=)) 48.b8Q (48.b8Q Kg7 49.Qb6 Rb1 50.Kc3 Rb6 51.a8Q Bf2 52.Kd3-+). mordor1 (2135) - vaxins (2060), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4)

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

5.d4 b6

6.Nc3 Bb7 7.b5 (7.e3 c5=) 7...d6 (7...Bf3 8.ef3 a6 9.Bd3=) 8.e3 Nbd7 9.Be2 e5 10.d5 Nc5 11.Qc2 Qe7 12.a4 Bc8 13.e4 Nh5 14.h3 (14.0-0!?=) 14...Nf4=+ 15.0-0 f5 16.a5 (16.Ba3!?=+) 16...fe4-/+ 17.Nh2 (17.Ne4 Bf5 18.Ne5 Be4–+) 17...Bf5 18.Bg4 Qg5 19.Bc1 e3! 20.Qd1 (20.Be3 Bc2) 20...e4 21.Be3? (21.fe3 Nh3 (21...Bc3?! 22.ef4 Qh4 23.Ra3-/+) 22.gh3 Bc3–+) 21...Bc3 22.ab6?? (22.g3 Bg4 23.hg4 Ba1 24.Bf4–+) 22...Ba1 23.bc7 (23.b7 Nb7 24.Qa1 h5–+) 23...Bg4 24.hg4 Be5 25.Bc5 (25.g3 Rac8–+) 25...dc5 26.d6 (26.g3 Qh6 27.d6 Qh3 28.gf4 Bf4 29.Qd5 Rf7 30.Qa8 Kg7 31.Qh8 Kh6 32.g5 Kh5 33.Qh7 Rh7 34.Ra1 Bh2 35.Kh1 Qf3 36.Kh2 Kg5 37.Kg1 Rh1) 26…Nd3 (27.Qe2 Qf4–+; 26...Qf6!? 27.g3 Bd6 28.b6 ab6 29.Qb1 Nh3 30.Kg2 Nf2 31.c8Q Rac8 32.Qb3–+) 0–1. Zylla,Johannes – Kreuzer,Uwe, corr SOK–92–85, 1992.

6.Nbd2 Bb7 7.Qc2 (7.e3 c5=) 7...d5 (7...c5 8.bc5 bc5 9.d5=) 8.e3 Nbd7 (8...a5 9.ba5 Ra5 10.cd5 Nd5 11.e4+=) 9.Be2 (9.Rc1 c6=) 9...Rc8 (9...c5 10.bc5 bc5 11.cd5 Nd5 12.dc5 Bb2 13.Qb2 Nc5 14.0-0+=) 10.0-0 (10.c5 bc5 11.dc5 c6+=) 10...c5 11.dc5 (11.bc5 bc5 12.Rab1 dc4 13.dc5 Nc5 14.Bc4 Bd5=) 11...bc5= 12.b5 Re8 (12...Qb6 13.cd5 Bd5 14.e4+=) 13.Ne5 (13.cd5 Bd5 14.Rfd1 e6+=) 13...Ne5= 14.Be5 Nd7 (14...Qb6!?=) 15.Bg7+= Kg7 16.f4 (16.cd5 Bd5 17.e4 Be6+=) 16...e6 (16...d4 17.Bf3 Bf3 18.Nf3=) 17.a4 (17.Rad1 Qf6+=) 17...Nf6 (17...d4 18.Bf3 Bf3 19.Nf3=) 18.Qb2 (18.a5 Rb8+=) 18...Kg8 (18...Qa5 19.Bf3=) 19.a5+= Nd7 (19...Qe7 20.Bf3+=) 20.Nf3 (20.Qc3 Qe7+=) 20...a6 (20...Qe7 21.Rad1+=) 21.b6 (21.Rfd1 Qe7+=) 21...Nf6 (21...Qe7 22.Rab1+/–) 22.Ne5 (22.Rab1 Qe7+/–) 22...Ne4 (22...Qe7 23.Rab1+/–) 23.Rad1 (23.Bd3 f6 24.Ng4 Rf8+/–) 23...Qf6 (23...f6 24.Ng4 h5 25.Bf3 hg4 26.Be4+/–) 24.Qc2 (24.Bf3 Red8+/–) 24...Nd6 25.Bf3 (25.cd5 ed5 26.Bg4 Nf5 27.Bf5 Qf5 28.Qf5 gf5+/–) 25...Nf5 26.Qf2 (26.Rfe1 Nh4+/–) 26...Qe7 (better is 26...Nh4!?+=) 27.cd5+– ed5 28.Bd5 Bd5 29.Rd5 f6 30.Ng4 (30.Nd7 Rcd8 31.Rfd1 Kh8+–) 30...h5 (better is 30...Ne3!? 31.Ne3 Qe3 32.Qe3 Re3+–) 31.e4!+– Nd4 (31...Qe4 32.Nf6 Double attack (32.Rc5 Deflection; 32.Nf6 Decoy)) 32.Rd7!! Qe6 (32...Qd7 33.Nf6 Double attack (33.Nf6 Decoy)) 33.f5 gf5 34.Nh6 (better is 34.ef5!? Qc6 35.Qa2 c4 36.Nh6 Kh8 37.Rd4 Kg7+–) 34...Kf8 (34...Kh8 35.Ra7 Qe4 36.Nf7 Kg8 37.Nd6+–) 35.Rf7 (35.Rf7 Qf7 36.Nf7 Kf7 37.ef5+–) 1–0. Wiszniowski,Eugeniusz (1800) – Larisch,Bogdan, OLM, 2006. (=1.c4 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 b6)

6.Nbd2 c5 7.bc5 bc5 8.d5 d6 9.e4 Bg4 10.Be2 Nbd7 11.Ng1 Qa5?? (better is 11...Be2 12.Ne2 Qc7=) 12.Bg4+– Rab8 13.Bf6 Nf6 14.e5! Ne4 (14...de5 15.Bh3) 15.Qc2 (better is 15.f3 Nc3 16.Qc1+/–) 15...Be5+= 16.Qe4 Ba1 17.Bd1 (17.Qe7?? Rfe8 18.Qe8 Re8 19.Ne2 Bc3–+) 17...Bc3 18.Ngf3 Rb2 19.Qd3 Ra2 (better is 19...e5 20.de6 fe6 21.Qd6 Qb6 22.Qb6 ab6–+) 20.h4?? (better is 20.Bc2-/+) 20...Bd2 21.Nd2 Rb8 22.0-0 Rd2 23.Qe4 Kf8 24.h5 0–1. Djurkovic,Maks (2155) – Kozul,Zdenko (2595), Nova Gorica op, 2000. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.c4 0-0 5.Bb2)

6.e3 c5 7.a3 d5 8.Nbd2 (8.dc5 bc5 9.Nc3 Na6+=) 8...cd4 9.ed4 dc4 (9...Nc6!?+=) 10.Bc4= Bb7 11.0-0 Bd5 (11...Nc6 12.Re1=) 12.Ne5 Nc6 13.Ba6 Nb8 (13...Ne5 14.de5 Ne8 15.Bc4=) 14.Bb5 Ne8 (14...a6 15.Bd3+=) 15.Rc1+= Nd6 16.Bd3 (16.Ba4 a5+=) 16...f6 (16...Nd7!?+=) 17.Nec4+/– Bh6 18.Ne3 (18.f4 Qd7+–) 18...Bb7 (18...Be3 19.fe3 f5 20.Nb1+/–) 19.Bb1 (19.h4 a5+/–) 19...e6 (19...a5!?+/–) 20.Ba2 Re8 21.Re1 Qd7 (21...Bg5+/–) 22.Nf3 (better is 22.Ng4 Bg7 23.Re6 Re6 24.Qb3+/–) 22...Na6+= 23.Rc2 (23.Qd3 Bg7+=) 23...Bg7 (23...Be3 24.Re3 Bd5 25.Bb3+=) 24.Ne5 Qb5 (24...fe5 25.de5 Rad8 26.ed6 (26.Qd6? Qf7–+) 26...Bb2 27.Rb2 Qd6 28.Qe2+=) 25.Nd3 Rac8 (25...Qd7 26.Nc5 Qf7 27.Nb7 Qb7 28.d5+–) 26.Nf4 Rc2 (26...Qd7 27.Rc8 Qc8 28.Qe2+/–) 27.Qc2 (27.Nc2 Bh6 28.Be6 Nf7+/–) 27...Bc8 (27...Qd7 28.f3+=) 28.Bb3 (28.Nd1 Kf7 29.g3+/–) 28...Bd7? (28...Qd7 29.f3 Bb7 30.d5+/–) 29.Qb1 (29.Nd1!? Kf8 30.d5 ed5 31.Re8 Ne8+–) 29...Kh8 (29...Bh6 30.Ng4 Bf4 31.Nf6 Kf8 32.g3+–) 30.Qa2 e5 (30...Bh6 31.Ne6 Be3 32.Re3 Nf5+–) 31.de5+– fe5 32.Nfd5 Bc8 (32...Qc6 33.f4 Nf5 34.Nf5 gf5 35.fe5+–) 33.Qa1+– Qd7 34.Rd1 (34.f4 Nf7+–) 34...Nc7 35.Nc7 Qc7 36.Nd5 Qb7 (36...Qf7 37.Re1+/–) 37.f4+– Nf7 (better is 37...Ne4+–) 38.fe5?? (better is 38.Rc1 Qd7 39.Rc7+–) 38...Ne5+= 39.Ne3 (39.Rc1 Qb8+=) 39...Qe7 40.Re1 Bb7 41.Bc2 (41.Bc3 Qd7=) 41...Qh4 (41...Qg5 42.Kh1+=) 42.Re2 Be4?? (42...Bc6 43.Bb3 Qh6 44.Bd4=) 43.Ba4?? (43.Nc4 Bc2 A) 44.Rc2? Nf3 (44...Nc4?! 45.Bg7 Kg8 46.g3=) 45.gf3 Re1 46.Qe1 Qe1 47.Kg2 Bb2 48.Nb2 h5–+; B) 44.Be5?! Kg8 45.Rc2 Qe4 46.Bg7 Qc2+–; C) 44.Ne5+–) 43...Re7= 44.Nf1 h6?? (44...Qf4 45.Qd1 Rf7 46.Bb5=) 45.Ng3?? (45.Nd2 Bg2 A) 46.Kg2?? Qg4 47.Kf1 Rf7 48.Rf2 Rf2 49.Kf2 Nd3 50.Kf1 Qh3 51.Ke2 Nb2–+ (51...Bb2?! 52.Qf1–+); B) 46.Be5?! Re5 47.Re5 Bd5 48.Re8 Kh7=; C) 46.Re5?! Be5 47.Be5 Kh7=; D) 46.Rg2+–) 45...Ng4= 46.Bg7 (46.Re4 Qh2 47.Kf1 Rf7 48.Bf6 Qg3 49.Rg4 Qg4–+ (49...Bf6?! 50.Rg3 Ba1 51.Ke2+=; 49...Rf6 50.Qf6 Qd3 51.Kf2 Bf6 52.Rf4–+); 46.Ne4?? Qh2 47.Kf1 Qh1) 46...Rg7 47.Nf1 (47.Ne4?? Qh2 48.Kf1 Qh1) 47...Bd3 48.g3 Qf6 (48...Qg5 49.Re1=) 49.Qf6 Nf6 50.Rd2 Bf5 51.Ne3 Be4 (51...Be6 52.Rd8 Kh7 53.Kg2=) 52.Bc2 ½–½. Kushch,Nikolai (2415) – Burlai,Oleg (2345), 6th Zaporozhje Ukraine, Ermak Cup, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 b6)

6.g3 Bb7 7.Bg2 d6 8.0-0 Nbd7 9.a3 e6 10.Nc3 Ne4 11.Qc2 Nc3 12.Bc3 Qe7 13.e4 Rfd8 14.Rfe1 e5 15.d5 Rf8 16.Nh4 Rae8 17.Rac1 Bh6 18.Bd2 Bd2 19.Qd2 Kg7 20.Qd3 Ra8 21.Bh3 c5 22.dc6!+/– Bc6 23.Rcd1 Nf6 ½–½. Wiszniowski,Eugeniusz (1780) – Cylwik,Zbigniew (2085), XIV Int Polish ch, 2008.

6.e3 Bb7

7.Be2 Ne4 8.0-0 c5 9.bc5 bc5 10.Qb3 Qb6 11.Nc3 Na6 12.Rfc1 Qb3 13.ab3 Nb4 14.Ne4 Be4 15.Bc3 a5 16.Nd2 f5 17.f3 (17.dc5 Rfc8+=) 17...Bb7= 18.f4 d6 19.Nb1 Rfb8 20.d5 e6 21.de6 Re8 22.Bg7 Kg7 23.Nc3 Re6 24.Kf2 Bc6 25.Ra3 Kf6 26.Nd1 a4 27.ba4 Ra4 28.Ra4 Ba4 29.Ra1 Bc6 30.g4 Re7 31.g5 Kf7 32.Ra5 Rc7 33.h4 Ke6 34.Nc3 Kd7 35.h5 Kc8 36.h6 Kb7 37.Bf3 Kb6 38.Ra1 Bf3 39.Kf3 Rd7 40.Ra8 Kb7 41.Rg8 Kc7 42.Rg7 Kc6 43.Nd5 Nd5 44.cd5 Kc7 45.e4 fe4 46.Ke4 Kc8 47.f5 gf5 48.Kf5 Rd8 49.Rh7 Re8 50.Ra7 Re5 51.Kf6 (51.Kf6 Re1 52.g6 Rf1 53.Ke6 Re1 54.Kd6+–) 1–0. Pupols,Viktors (2250) – Switkes,Daniel (2250), CalChess Masters, 1983.

5.d4 d5

6.b5 dc4 7.e3 Be6 8.Nc3 h6 9.Rc1 Nbd7 10.Qc2 Nb6 11.Rd1 a6 12.a4 ab5 13.ab5 Qd7 14.Ne5 Qe8 15.Be2 Nfd7 16.Nf3 Nf6 17.0-0 (17.Ne5 Qd8+=) 17...Bd7 (17...Nfd5 18.Rb1-/+) 18.Nd2 Bb5 19.Nb5 Qb5 20.Nc4 Nc4 21.Bc4 Qd7 22.Ra1 Qc6 23.Qb3 e6 24.Ra8 Ra8 25.h3 Ne4 26.Rd1 Nd6 27.Bd3 Qa4 28.Qa4 Ra4 29.Rc1 c6 30.f3 Nf5 31.Bf5 gf5 32.Kh2 Bf8 33.g4? Ra2–+ 34.Rb1 Ba3 0–1. Rush,Bradley – Brandt,Dennis, SF–2011–0-00125, 2011.

6.c5 Bf5 7.e3 Nbd7 (7...a5 8.b5-/+) 8.a4 (8.Nc3 a5 9.a3 Ne4+=) 8...c6 (8...a5 9.Qb3-/+) 9.Be2 (9.Nc3 b6 10.Nh4 bc5 11.Nf5 cb4 12.Ng7 bc3 13.Bc3 Kg7+=) 9...Qc7 (9...b6 10.Nh4 Be6 11.Qc2-/+) 10.0-0+= Bb1 (better is 10...a5!? 11.b5 Ne4+=) 11.Rb1+= Ne4 (11...Rab8 12.Bd3+=) 12.Nd2 Nd2 (12...Ndf6 13.f3 Ng5 14.b5+=) 13.Qd2 f5 (13...e5 14.b5+=) 14.Bc3 (14.b5 e5+/–) 14...Nf6 (14...a6 15.b5+/–) 15.f3+/– Bh6 (15...Rab8 16.b5+/–) 16.Bd3 f4 (16...Kg7 17.Qe2+/–) 17.e4 de4 18.fe4 (better is 18.Qa2 Kh8 19.fe4+/–) 18...Ng4? (better is 18...Kg7+/–) 19.Bc4+– Kh8 20.d5 (better is 20.Be6 Nf6 21.d5+–) 20...Rf6? (20...Bg7 21.Bg7 Kg7+=) 21.Bf6 ef6 22.d6 Qd7 23.Rf4 Ne5 24.Be2 Bf4 25.Qf4 Kg7 26.g4 Qe6 27.g5+– fg5 28.Qg5 Re8 29.Rf1 h6 30.Qg3 Qa2 31.Bd1 Qc4+/– 32.Qe1 Nd3 33.Qd2 Re4 34.Bf3? Rd4?? 35.Qe3 Rf4 36.Be2 Rf1?? 37.Bf1+– Qg4 38.Kh1 Nf4 39.d7! Ne6 40.Bh3 Qd1 41.Kg2 Qd5 42.Kg1 Ng5+/– 43.Qe7 Nf7 44.Be6 Qd1 45.Kg2 Qe2 46.Kg1 Qe1 47.Kg2 Qe2 ½–½. Brauer,C (2150) – Saheli, (2020), 12th Goodricke Open, Calcutta IND, 2001. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.b4 0-0 5.Bb2)

6.e3 a5 7.b5 c6 8.a4 cb5 9.ab5 Bf5 10.c5 Ne4 11.Nc3 Nd7 12.Nd5 Ndc5 13.Nc3 Nc3 14.Bc3 Ne4 15.Bb2 Qd5 16.Bd3 Nd6 17.Ba3 Nb5 18.Be7 Rfe8 19.Bc5 Nd4 20.Bd4 Bd4 21.Nd4 Qd4 22.Bf5 Qc3 23.Ke2 gf5 24.Qd5 Rad8 25.Qf5 Rd2 26.Kf3 Re6 27.Rhc1 Qb2 28.Qg4 Kf8 29.Rc8 Ke7 0–1. Bartnik – Chmielowski, corr 1993.

6.e3 b6 7.Nc3 dc4 8.Bc4 Bb7 9.0-0 Nbd7 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 c6 14.bc6 Bc6 15.d5 ½–½. Antal – Gara, Budapest 1998.

6.c5 b6

7.a4 bc5 8.bc5 Ne4 9.e3 c6 10.Bc3 Nc3 11.Nc3 Nd7 12.a5 e5 13.Be2 ed4 14.ed4 Nc5 15.0-0 Ne4 16.Qb3 Nc3 17.Qc3 Re8 18.Bd3 Bd7 19.a6 Qc7 20.h3 Qf4 21.Bc2 Rac8 22.g3 Qd6 23.Rae1 Bh3 24.Re8 Re8 25.Rc1 Bd7 26.Ba4 Qf6 27.Kg2 Bg4 28.Ne5 Qf5 29.Bc6 Be5 30.de5 Re5 31.Bb7 Qe4 32.Kg1 Bh3 33.f3 Qe2 34.Rc2 Qd1 35.Kh2 Re2 36.Re2 Qe2 37.Kh3 Qf1 38.Kg4 h5 39.Kf4 Qh3 40.Qc8 Qc8 41.Bc8 Kg7 42.Ke5 g5 43.Kd5 Kf6 44.Ke4 Ke7 45.Kf5 f6 46.Ke4 Kd6 47.Bf5 Kc6 48.Ke3 Kb6 49.Bd3 h4 50.gh4 1–0. blackiwhite (1735) – calinbrasov (1705), kurnik, 2012. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.Nf3 0-0 5.d4)

7.Nbd2 Bg4 8.g3 Nc6 9.Bg2 (better is 9.b5!? Nb8 10.Ne5=) 9...Nb4-/+ 10.Bc3 bc5 11.dc5 Na6 12.h3 Bf3 13.Nf3 Nc5 14.0-0 Nce4 15.Be1 Nh5 16.Rc1 c5 17.Nh2 e6 18.Be4 de4 19.Qd8 Rfd8 20.e3 Rac8 21.Bc3 Bc3 22.Rc3 Rd2 23.a3 Ra2 24.Rfc1 Rd8 25.Rc5 Rdd2 26.Ng4 Ra3 27.R5c2 Rc2 28.Rc2 Kg7 29.Kf1 Nf6 30.Ne5 Nd5 31.Nc6 a5 32.Na5? Ra5 0–1. mpopp (2050) – hotchess (2235), net–chess.com, 2011.

6.c5 c6

7.a4 Ne4 8.e3 a5 9.b5 Nc5 10.Nc3 Ncd7 11.h4 Nf6 12.Ne5 h5 13.Be2 Ne4 14.Ne4 de4 15.Qc2 cb5 16.ab5 Bf5 17.g4 hg4 18.Bg4 Bg4 19.Ng4 Qd7 20.Qe2 Qd5 21.h5 gh5 22.Ne5 Nd7 23.Nd7 Qd7 24.Qh5 f6 25.Kd2 Rad8 26.Rag1 e5 27.Qh7 1–0. Fiedler – Duschak, Bochum 1989.

7.e3 Nbd7 8.a4 a5 9.b5 Ne4 10.Qc2 e6 11.Nc3 Nc3 12.Bc3 Re8 13.b6 e5 14.0-0-0 ed4 15.ed4 Nf6 16.h3 Bf5 17.Bd3 Bd3 18.Qd3 Ne4 19.Rhf1 Nc3 20.Qc3 Re2 21.Rde1 Re1 22.Re1 Bh6 23.Kc2 Qf6 24.Re2 Kf8 25.Ne5 Qf5 26.Qd3 Qd3 27.Kd3 Rd8 28.g4 Bf4 29.Nf3 Re8 30.Re8 Ke8 31.Ne1 Ke7 32.Nc2 Ke6 33.Na1 f5 34.f3 Bg3 35.Ke2 Bh2 36.Nb3 Bg1 37.Kd3 fg4 38.fg4 h5 39.Na5 hg4 40.hg4 Kf6 41.Nb7 1–0. Ebert – Lichtnau, 1998.

6.c5 Bg4

7.e3 a5 8.b5=.

7.e3 Nc6 8.b5 Na5 9.Bc3 b6 10.Bd3 Ne4 11.cb6 ab6= 12.Bb2 Nc5 13.Be2 Nc4 14.Bc3 Ne4 15.0-0 Re8 16.Bb4 e5 17.Re1 Bf3 18.Bf3 ed4 19.ed4 Qf6 20.Be4 de4 21.Bc3 e3 22.fe3 Ne3 23.Qd3 Nd5 24.Rd1 Nf4 25.Qc4 Re2 26.Kh1 Rg2 27.Rd2 Qg5 28.Qf1 Rg4 29.h3 Rg3 30.h4 Qh4 31.Rh2 Qg5 32.Nd2 0–1. EXchess 3.11 – Comet B25, 2004.

7.e3 Ne4 8.Be2 c6 9.0-0 a6 10.h3 Be6 11.Nc3 f5 12.a4 Nd7 13.Ne4 de4 14.Ng5 Bd5 15.Qc2 h6 16.Bc4 hg5 17.Bd5 cd5 18.b5 ab5 19.ab5 Ra1 20.Ra1 f4 21.b6 fe3 22.fe3 e5 23.Ra7 ed4 24.Rb7 d3 25.Qc1 Ne5 26.c6 Qf6 27.c7 Qf2 28.Kh1 Qg3 29.c8Q Rc8 30.Qc8 Kh7 31.Qc7 Qe1 32.Kh2 Nf3 33.gf3 Qf2 34.Kh1 Qf3 35.Kh2 Qf2 36.Kh1 Qf1 37.Kh2 Qf2 38.Kh1 Qe1 39.Kg2 Qe2 40.Kh1 Qf3 41.Kh2 Qe2 42.Kh1 Qe1 43.Kg2 Qe2 44.Kh1 ½–½. popovicigelu – frhi2010 (1640), kurnik, 2012.

6.cd5 Nd5

7.a3 a5 8.b5 Bd7 (8...Bg4 9.e4 Nb6 10.Nbd2=) 9.e3 c6 10.bc6 Nc6 11.Be2 Qb8 (11...Rc8 12.0-0=) 12.0-0 b5 13.Nbd2 Rc8 14.Ne4 (14.Nb3 Bg4=) 14...b4 15.Nc5 Be8 (15...ba3 16.Ba3 Nc3 17.Qd3 Ne2 18.Qe2=) 16.ab4 ab4 (16...Ncb4 17.Qd2+=) 17.Qb3 Nc3 (17...Qd6 18.Nd2+=) 18.Bd3 (18.Bc3 bc3 19.Ra8 Qa8 20.Qc3 e5+/–) 18...e5 (18...Na5 19.Qc2 Na4 20.Ra4 Ba4 21.Qa4 Rc5 22.dc5 Bb2 23.Be4+=) 19.Na6 (better is 19.Ra8 Qa8 20.Ra1+/– (20.Bc3?! bc3 21.Qc3 ed4=)) 19...Qd6+= 20.Nc5 (20.Rfe1!?+=) 20...ed4-/+ 21.Ne4 (21.Ra8 Ra8 22.ed4 Nd4 23.Nd4 Qd4–+ (worse is 23...Bd4 24.Ne4 Qe6 25.Qb4-/+)) 21...Ne4 (21...Qe7!? 22.Ra8 Ra8 23.Bc3 dc3–+ (worse is 23...bc3 24.ed4 Nd4 25.Nd4 Bd4 26.Re1-/+)) 22.Be4-/+ de3 23.fe3 Bb2 24.Qb2 Ra1 25.Qa1 Qf8 (25...Qc5 26.Nd4 Qc3 27.Qc3 bc3 28.Ne2+=) 26.Bd5 (26.Rc1 Bd7+=) 26...Qg7 (better is 26...Qc5!? 27.Rd1 Qe3 28.Kh1 Ne7–+) 27.Qa2 (27.Qa6 Ne7 28.Qb7 Qf6+=) 27...Rc7 (better is 27...Qc3!? 28.e4 Ne7-/+) 28.Qa8+= Qf8 29.Ng5 Ne5 30.Ne4 (30.Ne6 fe6 31.Rf8 Kf8+/–) 30...Kg7 (30...Bc6 31.Nf6 Kg7 32.Qa1=) 31.Qa1 (31.Qb8 Re7 32.Qb4 f5+=) 31...Re7 (31...Qe7 32.Qb2+=) 32.Nf6 (32.Qd4 f5=) 32...h5 (32...Bb5 33.Rf4 Qc8 34.Be4+= (34.Rb4? Qc5 35.Nh5 gh5–+)) 33.e4 (better is 33.Rf4+=) 33...Bb5-/+ 34.Rf2 Qc8 35.g3 Qc3 (35...Qa6 36.Ba2 Bc4-/+) 36.Qa2?? (36.Qa8 Nf3 37.Rf3 Qf3 38.Qg8 Kf6 39.e5 Kf5 40.Bf3 Be8+–) 36...Bc4 (better is 36...Qc1 37.Kg2 Nd3–+) 37.Qa8 Qe1? (37...Nf3 38.Rf3! Qf3 39.Qg8 Kf6 40.e5 Ke5 41.Bf3 Rd7+–) 38.Kg2 Qf2 39.Kf2 Kf6 40.Qb8 (better is 40.Qh8 Kg5 41.Bc4 Nc4 42.h4 Kg4 43.Qd4+–) 40...Bd5 41.ed5 Nd3 42.Kf3 Ne5 43.Kf2 Nd3 44.Kf3 Ne5 45.Kf2 ½–½. zabazaba (1650) – esekielmartin (1610), gameknot.com, 2013.

7.a3 c6 8.Nc3 Bf5 9.e3 Qd6 10.Bd3 Bd3 11.Qd3 Nc3 12.Qc3 Nd7 13.0-0 Rac8 14.Qb3 e6 15.Rfd1 Qd5 16.Qa4 a6 17.Qc2 Nb6 18.Rdc1 Rfd8 19.Nd2 e5 20.Nf3 e4 21.Nd2 Re8 22.Qd1 Bf8 23.Qc2 Qe6 24.Nc4 Nd5 25.Qe2 Rb8 26.Rc2 f6 27.Rac1 Bd6 28.Nd6 Qd6 29.Qg4 f5 30.Qe2 Rf8 31.Qc4 f4 32.ef4 Rf4 33.g3 Rf6 34.Rf1 Rf3 35.Re2 Qe6 36.Qc2 e3 37.Bc1 ef2 38.Rff2 Rf2 39.Re6?? Rc2–+ 40.Bh6 Kf7 41.Rd6 Re8 42.Rd7 Re7 43.Re7 0–1. Tomas,T (1830) – Abbott,P (1950), Australian Open, 2011. (=1.Nf3 g6 2.d4 Bg7 3.b4 Nf6 4.Bb2 0-0 5.c4)

7.a3 c6 8.e4 Nc7 9.Nbd2 Nd7 10.Nc4 Nb6 11.Qb3 Be6 12.Rd1 Nc4 13.Bc4 Bc4 14.Qc4 a5 15.0-0 e6 16.Ne5 Qe7 17.Bc3 a4 18.Bb2 Rfd8 19.f4 f5 20.Rde1 Be5 21.de5 fe4 22.f5 gf5+= 23.Rf5 b5 24.Qa2 Rd2 25.Rf6? Nd5–+ 26.Qb1 Nf6 27.ef6 Qa7 28.Kh1 Rad8 29.Rf1 Rf2 30.Re1 e3 31.Qc1 Qd7 32.Qe3+= Rb2 33.f7 Kf7 34.Rf1 Ke8 35.Qe5 Rd2 36.Qh5= ½–½. Czebe,A – Vajda,L, Budapesti Nyar GM, 1998. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4)

5.e3 a5

6.a3 a4 7.Nc3+= b6 (7...Ne4 8.Na4 Nf6 9.Nc3+/-) 8.Na4 Bb7 9.Nc3 Ne4 10.Qc2 (10.d4 Nc3 11.Bc3 d6+/-) 10...Nc3 11.Bc3 Bc3 12.Qc3 Bf3 13.gf3 d6 14.h4 e5 15.h5 Qf6 (15...g5 16.Bg2 Ra7 17.Rg1+/-) 16.f4! Nd7 (16...ef4 17.Qd4 Double attack (17.Qf6 Pinning; 17.Qf6 Deflection; 17.Qd4 Decoy)) 17.Bh3 Qe7 (17...Rad8 18.Bd7 Rd7 19.a4+/-) 18.Bd7 Qd7 19.fe5 de5 20.Qe5 f6 (20...Rfd8 21.d4+-) 21.Qd5 Qd5 22.cd5 Rfd8 (22...Rfe8 23.hg6 hg6 24.Ke2+-) 23.hg6 hg6 24.e4 f5 25.f3 fe4 26.fe4 c6 (26...Ra4 27.Rg1 Kf7 28.Rc1+-) 27.dc6 Rd4 28.Rh4 Rb4 29.Rc1 (29.ab4 Ra1 30.Ke2 Rc1+-) 29...Rd4 30.Ke2 Kf7 (30...Rda4 31.Rg1 Kf7 32.Rf4 Ke6 33.Rg6 Ke5 34.Rgg4+-) 31.Rh7 (31.d3 Kg7 32.Rg4 Rc8+-) 31...Ke6 (31...Kg8 32.Re7 Kf8 33.Re5+-) 32.Ke3 Rdd8 33.c7 Ra3 34.Kf4 Rf8 35.Kg4 Rc8 (35...Ke5 36.c8Q Rc8 37.Rc8 Ke4 38.Rd8+-) 36.d4 (better 36.Rc6 Ke5 37.Re7 Kd4 38.Rd7 Ke5 39.d3 Rd3 40.Rd3 Rf8 41.Rd8 Rf6 42.c8Q Rf4 43.Kg3 Rf6 44.Qc7 Ke4 45.Qe7 Re6 46.Qe6) 36...Re3 (36...Kd6+-) 37.Rc6 1-0. carlos78 (2210) - Mohsenabutalebi (2140), Rated Blitz game, lichess.org, 2014.

6.a3 c5 7.bc5 Na6 8.d4 b6 9.cb6 Qb6 10.Qc2 Rb8 (better 10...d6+/-) 11.Nbd2?? (11.Bc3 d6+/-) 11...d6?? (11...Qb2 12.Qb2 Rb2 13.c5-+) 12.Bd3?? (better 12.Rb1+/-) 12...Qb2-+ 13.Qb2 Rb2 14.Ke2 Bg4 (14...Bb7 15.Rhb1 Bf3 16.gf3-+) 15.Rab1 Rfb8 16.h3 Rb1 (16...Bf3 17.gf3 Ra2 18.Ra1-+) 17.Rb1 Rb1 18.Nb1 Bd7 19.c5 Nc7 20.cd6 ed6 21.Nc3 Nfd5 22.Kd2 Nc3 23.Kc3 Kf8 24.Nd2 Ke7 25.Nc4 Nb5 26.Kb2 (26.Kb3 Be6-+) 26...a4 27.Nb6 Nd4! 28.Kc1? (28.ed4 Bd4 Double attack) 28...Nb3 29.Kc2 Bc6 30.f3 (30.g4 Nc5 31.Bc4 Be4 32.Kd2 Bb2-+) 30...Nc5 (30...d5 31.Nc8 Ke6 32.Na7-+) 31.Bc4 f5 32.Kd2 (32.Nc8 Kd7 33.Nb6 Kd8-+) 32...Bb2 33.Bg8 (33.Nc8 Kd7 34.Na7 Ba3 35.Nc6 Kc6-+) 33...Ba3 34.Bh7 (34.Kc2 Ne6 35.Nc8 Kf6 36.Bh7 Nf8-+) 34...Bb4 (34...Nb3!? 35.Kc3 Kf7 36.e4 fe4 37.fe4-+) 35.Kc2 Kf7 36.Nc4 (36.Nc8 Bd7 37.Nd6 Kg7 38.Bg6 Kg6-+) 36...Kg7 37.Bg6 Kg6 38.Nd6 (38.Nb6 a3 39.Kb1 Nd3-+) 38...a3 39.Nc4 Ba4 40.Kb1 Bb3 41.Na3 Ba3 42.e4 (42.Ka1 Bd5-+) 42...fe4 43.fe4 Ne4 44.g4 Nc3 45.Ka1 Kf6 46.h4 Ke5 47.g5 Kd4 48.g6 Kd3 49.g7 (49.h5 Kc2 50.h6 Bb2) 49...Kc2 50.g8Q Bb2 0-1. HIALUPHARMpl (2585) - ajedrez2021 (2545), Rated Bullet game, lichess.org, 2021.

6.a3 d5 7.b5=.

6.Qa4 d6=.

6.d4 ab4 7.Nbd2 b6 8.c5 (8.Bd3!?=+) 8...bc5-/+ 9.dc5 Na6 10.Qc2 (10.a3 ba3 11.Ra3 Bb7-/+) 10...d6 11.cd6 ed6 12.Bd3 c5 (12...Nc5 13.a4-+) 13.0-0 Be6 (13...d5!? 14.Bb5-+) 14.Rfd1 Nc7 15.Nc4 Qe7 16.h3? (better 16.e4!?-/+) 16...d5-+ 17.Nce5 (17.Nb6 Rab8 18.Na4 c4-+) 17...Rfc8 (17...c4 18.Be2-+) 18.a3 (18.Nc6 Qf8 19.Qb1 c4-+) 18...b3! 19.Qb3 c4 20.Nc4 dc4 21.Bc4 Bc4 (better 21...Rcb8!? 22.Be6 Rb3 23.Bb3-+) 22.Qc4-/+ Qe6 23.Qe2 Qa6 24.Qd2 (24.Qa6 Na6 25.Rac1 Rc1 26.Rc1 Ne4 27.Bg7 Kg7-/+) 24...Ncd5 (24...Ne4 25.Qb4 Rcb8 26.Qe4 Bb2 27.Ra2 Ba3 28.Qh4-+) 25.Bf6 (25.Qd3!?-/+) 25...Nf6-+ (25...Bf6?! 26.Qd5 Ba1 27.Ra1=) 26.a4? (26.Nd4 Ne4 27.Qd3 Qd3 28.Rd3 Rc3 29.Rc3 Nc3-+) 26...h6 (better 26...Ne4 27.Qd7 Ba1 28.Ra1 Qe2-+) 27.Ra2 (27.Qd3 Rc4-+) 27...Rc5 28.Nd4 Ra5 29.Nb3 (29.Rda1 Ne4 30.Qc2 Nc5-+) 29...Ra4 30.Ra4 Qa4 31.Nc5 Qa5 32.Qc2 (32.Qa5 Ra5 33.Nb7 Ra2-+) 32...Rc8 33.Rc1 (33.Nb3 Rc2 34.Na5-+) 33...Nd7! 34.Nd7 Rc2 35.Rc2 Qe1 (35...Qd5 36.Rc8 Kh7 37.Nc5-+) 36.Kh2 Qd1 37.Rc8 Kh7 38.Nf8 (38.Nc5 Qc1-+) 38...Bf8 39.Rf8 (39.Rc6 Qe2 40.Kg3 h5-+) 39…Qd6 (39...Qd6 40.g3 Qf8-+) 0-1. HIALUPHARMpl (2460) - ZibbitVideos (2545), Rated bullet game, lichess.org, 2020.

6.a3 ab4

7.ab4 Ra1

8.Ba1 c6 9.Be2 Qb6 10.b5 d6 11.0-0 Bg4 (11...Bf5 12.Nc3=) 12.Nc3 Nbd7 13.Qc2 (13.h3 Bf3 14.Bf3 Ne5=) 13...Ra8 14.Bb2 (14.bc6 Qc6 15.Nd4 Qc5+=) 14...Nf8 (14...Bf3 15.Bf3 Ne5 16.Be2+=) 15.Na4 (15.bc6 Qc6 16.Nd4 Qc8+=) 15...Qc7 (15...Qa5 16.Nc3=) 16.Qb3 (16.b6 Qd7=) 16...h5 (16...cb5 17.cb5 Be6 18.Qc3=) 17.h3 (17.b6 Qd7+=) 17...Bd7 (17...cb5 18.Qb5 Bd7 19.Qb6=) 18.Bd4 (18.b6 Qd8+=) 18...Ne6 (18...c5 19.Bb2=) 19.Bb2 (19.Bf6 Bf6 20.b6 Qd8=) 19...Ne4 (19...c5 20.Ra1=) 20.Bg7 (20.b6 Qd8 21.Bg7 Kg7+=) 20...Kg7 21.d3 (21.b6 Qd8+=) 21...Nf6 22.Rb1 Qa5 23.Nc3 Nc5 24.Qb2 Kg8 25.Nd4 e5 26.Nb3 Nb3 27.Qb3 Be6 28.Bf3 Bd7 29.Kh2 Qa2?? 30.Rb2 Qa1 31.Rb1 Qa3 32.bc6 Qb3 33.Rb3 bc6 34.Ne4 Ne4= 35.Be4 ½–½. Kreuzer – Mueller,Matthias (2350), Hockenheim GER, 1994.

8.Ba1 c6 9.Be2 d5 10.Be5 Na6 11.b5 cb5 12.cb5+=.

8.Ba1 c6 9.Bf6 Bf6 10.d4 d5=.

8.Ba1 d5 9.c5 Na6 10.Ba6 ba6 11.0-0 Bg4 12.Qa4 (12.Bf6 Bf6 13.d4 e5 14.de5 Bf3 15.Qf3 Be5=) 12...Bf3 13.gf3 Qc8 14.Bf6 Bf6 15.Nc3 Rd8 (15...d4 16.Ne4 Bg7 17.c6=) 16.Ra1 (16.Qc6 Qf5=) 16...Qh3 17.Qd1 d4 18.Ne4 Bg7 (18...Rd5 19.Ra6 (19.Nf6?? ef6 20.f4 Rh5 21.Qh5 Qh5-+) 19...Rh5 20.Qc2 Qf3 21.Ng3 Rh2 22.Kh2 Qf2 23.Kh1-+) 19.Ra6= de3 (19...Rb8 20.Ra4=) 20.fe3+= Qd7 (20...Qh4 21.Ra4+=) 21.d4 (21.Ra7 h6+/-) 21...Qb5 (21...e5 22.d5 f5 23.Nc3+/-) 22.Ra4 (22.Ra7 Qb4 23.Rc7 Bh6+/-) 22...e5 23.d5 Bh6 24.Kf2 (24.Nf6 Kg7 25.Ng4 Qc4+/-) 24...f5+= 25.Nc3 Qc4 26.Qd2 e4 27.f4 (27.d6 cd6 28.fe4 Bg7 29.Qd5 Qd5 30.Nd5 dc5 31.bc5 fe4+=) 27...Bg7= 28.Ne2 Rd5 29.Ra8 (29.Qa2 Qa2 30.Ra2 Bf6=) 29...Kf7=+ 30.Qa2 Qa2 31.Ra2 Ke6 32.Ra6 Kd7 33.Ra8 Kc6 34.Rg8 (34.Re8 Rd7=+) 34...Rd7 (34...Bf6 35.Re8 Kb5 36.Rb8 Kc4 37.Rc8-/+) 35.Rb8 (35.Ra8 Kb7 36.Ra2 Rd3-/+) 35...Rd2 36.Ke1 Rd3 37.Kf2 Rd7 (37...Bf6 38.Ra8 Bh4 39.Ng3-+) 38.h4 (38.Ra8 Kd5=+) 38...Bf6 39.h5 gh5 (39...Bh4 40.Kg2 Rd3 41.Nd4 Kd5=+) 40.Kg3?? (40.Rf8!? Bh4 41.Kg2=) 40...Rg7 (better 40...h4!? 41.Kf2 h3-+) 41.Kf2 (41.Kh3 h4-/+) 41...h4 (41...Rf7-/+) 42.Ng1? (better 42.Rf8!? Rg6 43.Rf7-/+) 42...Rg3 (42...Bc3 43.Rf8 Bb4 44.Rf6 Kc5 45.Rf5 Kc4 46.Re5-+) 43.Rf8 Rg6 (43...Bc3 44.Ne2 Rf3 45.Kg1-+) 44.Nh3 (44.Rf7 h6-/+) 44...Kb5-+ 45.Ng5 (45.Rf7 c6 46.Rh7 Kb4 47.Rh5-/+) 45...Bg5 46.fg5 Rg5 47.Rf7 (47.Rf7 h5 48.Rc7 Kb4 49.c6-+). Kabanova,E (2135) - Das,Arg (2450), Titled Tuesday 8th June, 2021. (=1.c4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 a5)

8.Ba1 d6

9.Nc3 e5 10.Nd5 Nbd7 11.Be2 Ne8 12.0-0 c6 13.Nc3 f5 14.c5 d5 15.Re1 Nef6 16.Ng5 Qe7 17.f4 e4 18.d4 h6 19.Nh3 Re8 20.b5 Nf8 21.bc6 bc6 22.Na4 Be6 23.Nb6 N6d7 24.Qb1 Rb8 25.Qc2 Nb6 26.cb6 Rb6 27.Rb1 Qb7 28.Bc3 Rb1 0–1. guest480 – guest877, ICC, 1999.

9.d4 e5 10.de5 Ng4 11.Be2 Nc6 (worse is 11...de5 12.h3 Qd1 13.Bd1+/–) 12.0-0 Nge5 (worse is 12...de5 13.b5 Qd1 14.Rd1+/–) 13.Ne5 Ne5 14.Nd2 Qh4 15.Qb3 Bg4 16.f3 Be6 17.f4 Bg4 18.Qd1 (worse is 18.fe5 Be2 19.Rf2 Bg4+=) 18...Be2 19.Qe2 Qg4 20.Kf2 Qh4 21.Kg1 Qg4 22.Kf2 Qh4 ½–½. Gavrikov,Viktor (2560) – Moberg,Karl Johan (2350), Excelsior Cup, 2000.

9.Be2 e5 10.0-0 Nbd7 11.d4 e4 12.Nfd2 Re8 13.Nc3 Nf8 (13...d5 14.Qc2+=) 14.Qc2 Bf5 15.Bb2 h5 (15...c6 16.Ra1+=) 16.Ra1+/- Ne6 (16...h4 17.h3+/-) 17.Nb3 Ng5 (17...c6 18.d5 cd5 19.cd5+/-) 18.Ra7 b6 (18...Qb8 19.Ra4+/-) 19.d5 Ng4 20.h3 (better is 20.Bg4!? hg4 21.Qc1+/-) 20...Nh3 21.gh3 Nf2 22.Bf1 (22.Kf2 Qh4) 22...Nh3 (22...Nd3 23.Nd1 Qg5 24.Kh1 Nb2 25.Nb2 Qe3 26.Nd1-+ (26.Rc7?? Bh3 27.Bh3 Qh3 28.Kg1 Re5-+)) 23.Bh3= Bh3 24.Nb5 (24.Qh2!? Qg5 25.Kf2=) 24...Bb2 25.Qb2 Re5 26.Ra2 Rg5 27.Kh1? Bg4 28.N3d4+= Qf6 29.Qf2= Bf3 30.Nf3 ef3 31.Nd4 Rg2 32.Qf3 Qf3 33.Ra8 Kg7 34.Nf3 Rg3 35.Nd4+/- Re3 36.Nb5 Re4 37.Nc7 Rc4 38.Ne8 Kh6 39.Nd6 Rb4? 40.Nf7+- Kg7 41.Ra7 Kf6?? 42.d6 Rd4 43.d7 (43...h4 44.d8Q Rd8 45.Nd8+-) 1-0. Sopermi (2125) - Popando (2175), ajedrez21.com, 2001.

6.a3 c6

7.Qc1 d5+= 8.d3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Bc3= dc4 12.dc4 c5 13.b5 Ne4 14.Bg7+= Kg7 15.Bd3 Qa5 16.Nbd2 Nd2= 17.Nd2 Rd8 18.Ke2 Qc7 19.Nf3 Bg4 20.Qc3 f6 21.Be4 Nd7 22.h3 Be6 23.Rb1 Nb6= 24.Nd2 Ra8 25.f4 Ra2 26.Kf3 Qd7-/+ 27.Bc2 Na4 28.Ba4= Rd2 29.g4?? Bd5!–+ 30.Kg3 Rg2 31.Kh4 Bf3 32.Rg1 Rg1 33.Qf6 Kf6 34.Bc2 Rg4! 35.hg4 Qg4# 0–1. De Souza,Luiz Costa – Caetano Netto,Joaquim Genti, BRA–ch zt qual 2th, 1972.

7.d4 ab4 8.ab4 Ra1 9.Ba1=.

7.d4 d5 8.Nbd2 (8.b5 cb5 9.cd5 a4=) 8...Bg4 9.Be2 (9.h3 Bd7=) 9...Nbd7 (9...dc4 10.Nc4 ab4 11.ab4 Ra1 12.Qa1=) 10.0-0 e6 (10...dc4 11.Nc4 ab4 12.ab4 Ra1 13.Qa1=) 11.c5 ab4 12.ab4 Qc7 13.Qc2 b6 ½–½. Matlak,M (2445) – Konopka,M (2480), Czech Extraleague, 1999.

7.Be2 d5 8.0-0 dc4 9.Bc4 b5 10.Be2 ab4 11.ab4 Ra1 12.Ba1 Na6 13.Qb3 Qd6 14.Rc1 Qb4 15.Qa2 Qd6 16.Be5 Qd7 17.Qa5 Bb7 18.d4 Ra8 19.Nbd2 Nd5 20.Qa1 f6 21.Bg3 Nc5 22.Qb2 Na4 23.Qb3 e6 24.e4 Ndb6 25.Bb5 cb5 26.Rc7 Bd5 27.Qe3 Qe8 28.h4 Bc4 29.h5 gh5 30.d5 Rc8 31.Rb7 Nd7 32.Nd4 Nac5 33.Ra7 Kh8 34.Nc4 bc4 35.de6 Ne6 36.Nf5 c3 37.Nd6 c2 38.Qc1 1–0. Sobeck – Pribyl, BL 1993.

6.a3 d6

7.d4 c6 8.Be2 Qb6 9.c5 dc5 10.dc5 Qd8 11.Nc3 Nd5 12.Qb3 ab4 13.ab4 Ra1 14.Ba1 Be6 15.Bc4 Na6 16.Nd5 cd5 17.Ba6 Ba1 18.Qa3 ba6 19.Qa1 Qb8 20.Qa5 Bd7 21.0-0 Bb5 22.Rc1 Rc8 23.Nd4 Bc4 24.Nc2 Qb5 25.Qb5 Bb5 26.h3 Kf8 27.Na3 Bc6 28.Kf1 e5 29.Ke2 Ke7 30.Ra1 Rb8 31.Nc2 Bb5 32.Kd2 Bc4 33.Kc3 Bb5 34.h4 h6 35.Ra5 g5 36.hg5 hg5 37.Na3 Bf1 38.g3 d4 39.ed4 ed4 40.Kd4 Rb4 41.Ke5?? f6 (41...f6 42.Kd5 Bg2 43.f3 Bf3) 0–1. Adorjan,Boton (1865) – Palotai,Piroska (2100), HUN–chT2 Breyer, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5)

7.Be2 Nbd7 8.0-0 (8.d3 c5 9.bc5 dc5+=) 8...b6 (8...e5 9.h3=) 9.d3 Bb7 10.Nbd2 Ra7 (10...e5 11.Qb3=) 11.Qc2 e5 (11...Qa8 12.d4=) 12.Rfc1 (12.Bc3 Qe7=) 12...Qe7 13.Nb3 (13.d4 a4=) 13...ab4 14.ab4 Rfa8 15.Ra7 Ra7 16.Ra1 Ra1 17.Ba1 Qf8 18.Qa2 Qb8 19.Nfd2 Bf8 20.d4 Ne4 21.Ne4 Be4 22.d5 g5 23.Bc3 c6? (better is 23...Bg6=) 24.f3+/– Bg6? (better is 24...cd5 25.fe4 de4+/–) 25.dc6+– Nf6 26.Qa6 d5 27.Qb7 Bd6 28.c5 bc5 29.bc5 (better is 29.Qb8!? Bb8 30.Nc5 d4 31.ed4 Nd5+–) 29...Bc7 30.Ba5 (better is 30.f4!? gf4 31.ef4+–) 30...Ne8+/– 31.Bb6 Bf5 (31...Qd8 32.Nc1+/–) 32.Ba6 Qd8 33.g4 (33.h3 d4 34.e4 Be6+–) 33...Be6 34.Bc7 (34.Be2!?+/–) 34...Nc7+= 35.Bd3 d4 36.e4 Bc8? (better is 36...h5+=) 37.Qb8+– Kg7 38.Nd2 Kf6 39.Nc4 Ke7 40.Nd6 Be6 41.Qa7 Kf8 42.Kf2 h6? 43.Qb6+– Ke7 44.Ke2 Na8 45.Qb7 Kf8 46.Nb5 Qc8?? 47.Kd2+– Qd8 48.c7 Nc7 49.Nc7 1–0. Sann,Michael (2060) – Wiechmann,Gernot (1880), Regionalliga SW, 2002. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 a5 6.a3 d6)

7.Be2 e5 8.0-0 Re8 9.d3 Nc6 10.b5 Nb8 11.Nbd2 Nbd7 12.Re1 Nc5 13.Qc2 Bf5 14.e4 Bg4 15.h3 Bd7 16.Bf1 b6 (16...Nh5 17.g3=) 17.Bc3 Nh5 18.a4 Nf4 19.Kh2 Nh5 (19...Qe7 20.Be2=) 20.g3 Rf8 (20...Ne6 21.Bg2=) 21.Bg2 Rb8 22.Nf1 (22.Nb3!? Re8 23.d4 ed4 24.Bd4 Nb3 25.Qb3 Bd4 26.Nd4+=) 22...f5= 23.ef5 (23.Bd2!?=) 23...Bf5-/+ (worse 23...Rf5 24.d4 ed4 25.Nd4+=) 24.g4? (better 24.Red1!?-/+) 24...Bd3-+ 25.Qd2 (25.Qa2 Nf4 26.Bh1 e4 27.Bg7 Kg7-+) 25...Nf4 26.Ne3 (26.Ra3-+) 26...Ng2 27.Kg2 Be4 28.Nf1 (28.Nf5 gf5 29.Re4 Ne4 30.Qd5 Kh8-+) 28...Bf3 29.Kg1 Nb3 30.Nh2 (30.Qd3 Na1 31.Nd2-+) 30…Nd2 0-1. maestroangel (2610) - Banelevich (2600), Rated Bullet game, lichess.org, 2022.

7.Be2 e5 8.d4 e4 9.Nfd2+= c6 10.Nc3+= d5 11.cd5 cd5= 12.b5 Be6 13.Na4 b6 14.Rc1 Nbd7 15.Rc6 Rc8 (15...Rb8 16.0-0+=) 16.Qc1 (16.0-0!?+/–) 16...Re8 (16...Nb8 17.Rc8 Bc8 18.0-0=) 17.0-0 Rc6? (17...Nb8 18.Rc8 Bc8 19.Qc2=) 18.Qc6 (better is 18.bc6 Nf8 19.Qc3+/–) 18...Bf8= 19.Rc1 Be7 20.Qc7 Qc7 21.Rc7 Rb8 22.Nc3 Kf8 23.Ncb1 Ke8 24.a4 Kd8 25.Rc6 Rc8 26.Rc8 Kc8 27.Ba3 Ba3 28.Na3 Ne8 29.f3 Nd6 30.f4 Nf6+= 31.h3 Kd7 32.g4 h6 33.Kf2= Ke7 34.Kg3 Nh7 35.h4 f6 36.Nab1= g5 37.hg5 hg5 38.f5 Bf7 39.Nc3 ½–½. Dickson,I (1910) – Canfell,G (2300), Australian Open, Tuggeranong AUS, 2007.

6.b5 a4

7.a3 c5 8.Nc3 Qa5 9.Be2 Ne4 (9...b6 10.0-0+=) 10.Ne4+/- Bb2 11.Ra2 (11.Nc5?! Ba1 12.Qa1 d6=) 11...Bg7 12.Nc5 b6 (12...d6 13.Nd3+=) 13.Nd3 Bb7 14.Nb4 e6 (14...f5 15.d4+/-) 15.0-0 Rc8 16.d4 d5 (16...Bf8!?+/-) 17.cd5+- ed5 18.Ne5 (18.Rc2 Re8+-) 18...Rd8 (18...Bf8!?+/-) 19.Rc2+- Nd7?? (better 19...Be5 20.de5 Nd7+-) 20.Nec6 1-0. Shimanov,A (2590) - Poliannikov,Danila (2225), Titled Tuesday, 2020. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3 a5)

7.a3 c6 8.Nc3 Qa5 9.Rb1 d5 10.Ba1 Ne4 11.Ne4 Ba1 12.Ra1 de4= 13.Ng5 Rd8 14.Ne4+/– Bf5 15.Ng5 Nd7 16.g4 Be6 17.Ne6 fe6 18.Qc2 Nc5 19.Rd1 cb5 20.cb5 Rac8 21.Bc4 Nd3 22.Ke2 Qb6 23.Qa2 Rd6? 24.Bd3+– Rd3 25.Kd3 Qb5 26.Ke4 Qc6 27.Kd3 Qb5= 28.Ke4 Qc6 29.Kf4 Rf8 30.Ke5 Qd6 31.Ke4 Qc6 32.Kd3 Rf2 33.Qc4 Qd6 34.Kc2 Qa3 35.Rhf1 (35.Rhf1 Qb3 36.Qb3 ab3 37.Kd3 Rh2 38.Rb1+–) 1–0. Chibukhchian,A (2375) – Bayram,Y (2310), 3rd IECC, Batumi GEO, 2002. (=1.e3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5 6.b5 a4)

7.a3 c6 8.Nc3 Qa5 9.Rb1 d5 10.cd5 cd5 11.Ba1 Bf5 (11...Nbd7 12.Rc1=) 12.Rb4+= Nbd7 13.Ra4 Qc7 14.Be2 (14.Nd4 Nb6 15.Ra8 Ra8 16.Nf5 gf5+=) 14...Ra4 (14...Nc5 15.Ra8 Ra8 16.d4=) 15.Na4 (15.Qa4 Nc5 16.Qb4 Rc8+=) 15...Ra8= 16.Nd4 Be4 17.f3 e5 18.fe4 ed4 19.Bd4 Ne4 20.Bg7 Kg7 21.0-0 Qa5 (21...Qa5 22.Nc3 Nc3 23.dc3 Qc3 24.Qd5 Qe3 25.Rf2 Ne5=+) 22.Nc3 Nc3 23.dc3 Qc3 24.Qd5 Qe3 25.Rf2 Ne5 26.Qd6 h5 27.h3 Ra3 28.Qf6 Kh7 29.Qf4 Ra1 30.Kh2 Qf4 31.Rf4 Re1 32.Bf1 g5 33.Rf2 Kg6 34.g3 Rb1 35.Kg2 f5 36.Rc2 f4 37.gf4 gf4 38.Be2 Rb3 39.Bf1 h4 40.Kf2 Kf5 41.Rd2 b6 42.Ra2 Nd7 43.Rd2 Nf6 44.Bd3 Ne4 45.Be4 Ke4 46.Re2 Kf5 47.Re8 Rb5 48.Rf8 Ke4 49.Re8 Re5 50.Rh8 b5 51.Rh4 b4 52.Rh8 Rb5 53.Re8 Kd4 54.Rd8 Rd5 55.Rb8 Kc3 56.Rc8 Kd3 57.Rb8 Kc4 58.Rc8 Rc5 59.Rb8 b3 60.Kf3 Rb5 61.Rc8 Kd5 62.Rc1 b2 63.Rb1 Ke5 64.Kg4 Rb3 65.Re1 Re3 66.Rb1 Rg3 67.Kh4 Rg2 68.Kh5 f3 69.h4 f2 0-1. Kaenel,Hansjuerg (2410) - Nemet,Ivan (2420), Switzerland, 2001.

7.a3 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Nc3 Nc3 11.dc3 Be6 12.Nd4 (12.Qd4 Qd4 13.cd4 c6+=) 12...Bd5 (12...Bc8!?+=) 13.c4+/- Be4 14.f3 (14.Qg4 f5 15.Qg3 Kf7+/-) 14...e5+= 15.fe4 ed4 16.Qd4 (worse 16.ed4 Re8 17.Qd3 Qh4 18.Kd2 Re4=) 16...Kg8 17.Bd3 (17.Rd1 Qg5+=) 17...Nd7 18.0-0 Re8 19.c5 Ne5 20.Rad1 Qg5 21.Bc2 (21.Be2 Red8 22.Qc3 Rd1 23.Rd1 c6+/-) 21...Rad8+= 22.Qa4 (better 22.Qc3 Rd1 23.Bd1+=) 22...Qe3-+ 23.Kh1 Ng4 (23...Qc5?! 24.Rd8 Rd8 25.Bb3=+) 24.Rd8?? (better 24.Bb1-+) 24...Nf2 25.Rf2 (25.Kg1 Nh3 26.Kh1 Qg1 27.Rg1 Nf2) 25...Qe1 26.Rf1 Qf1 0-1. Chess__Academy (2520) - Alex844 (2550), Rated Bullet game, lichess.org, 2021.

7.Na3 c6 8.h4 d5 9.h5 Bg4 10.hg6 hg6 11.Be2 Bf3 12.Bf3 Re8 13.Qc2 e5 14.bc6 Nc6 15.cd5 Nd5 16.Qe4 Ndb4 17.0-0 Qd2 18.Nc4 Qd8 19.Rfd1 Qe7 20.Ba3 Red8 21.Rd8 Rd8 22.Rb1 Qc5 23.g3 f5 24.Qh4 e4 25.Be2 Rd3 26.Bd3 ed3 27.Rd1 Kf7 28.Bb4 Nb4 29.a3 Nc6 30.Rc1 Qe7 31.Rd1 1-0. smashinglad (2425) - Zobbie (2435), Rated bullet game, lichess.org, 2023.

7.Be2 c6 8.0-0 cb5 9.cb5 d6 10.d4 Nbd7 11.Nfd2 (11.Nc3 Qa5 12.Rc1 Nb6=) 11...Nb6+= 12.Bf3 Ra5 (12...Nfd5 13.Na3+=) 13.Na3 d5 14.Bc3 Ra8 15.Bb4 Re8 16.Re1 e5 (16...Bf5 17.Rc1=) 17.de5 Nfd7 18.e6 fe6 19.Qc2 (19.Rc1 Ne5 20.Be2 Nf7=) 19...Be5 (19...Ba1 20.Ra1 e5 21.Rd1-/+) 20.g3 (20.Rab1 Bg7+=) 20...Nf6 (20...Ba1 21.Ra1 Ne5 22.Be2+=) 21.e4 (21.Rac1+=) 21...Bd6?? (better is 21...Ba1 22.Ra1 e5-/+) 22.Bd6+/– Qd6 23.Qb2 Nbd7? (23...Qe7+/–) 24.Red1?? (better is 24.e5 Ne5 25.Re5+–) 24...Qe5 25.Qb4 Rf8 26.Bg2 (26.Rac1!?+/–) 26...Ng4= 27.Rf1 (27.f4 Qh5 28.Nf1+=) 27...Qh5 (better is 27...Rf2 28.Rac1 Rg2 29.Kg2 Ne3 30.Kh1 Nf1 31.Rf1 Qg5+=) 28.h3+/– Ngf6 29.f4 (29.Rac1 Ne5 30.Rc2 de4 31.Ne4 Nf3 32.Bf3 Qf3 33.Nf6 Qf6+=) 29...Ne4 (29...de4 30.Nac4=) 30.Ne4+= de4 31.Qe4?? (better is 31.Nc4+=) 31...Nf6?? (better is 31...Qc5 32.Kh2 Qa3 33.Qe6 Kh8–+) 32.Qd4+– Bd7 33.g4 (33.Rfe1!?+–) 33...Qh4+/– 34.g5 (better is 34.Rad1!?+/–) 34...Nd5+= 35.Rac1 (35.Bd5 ed5 36.Qd5 Rf7+=) 35...Rf7 36.Nc4 (36.Rc4 Rc8 37.Kh2 Rc4 38.Nc4 Rf4 (38...Nf4? 39.Ne5 Qg5 40.Rf2+–) 39.Rf4 Qf4 40.Qf4 Nf4 41.Bb7 Bb5-/+) 36...Raf8 37.Rce1 ½–½. Oltean,Dorel (2360) – Burnoiu,Nicolae_Costel (2405), Calimanesti ROM, Team Ch 2nd Div, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 a4)

7.Be2 c6 8.0-0 d5 9.Na3 Nbd7 (9...cb5 10.Nb5 Nc6 11.Rc1=) 10.Rb1 (10.Qc2 Nb6 11.bc6 bc6=) 10...cb5 (10...c5 11.d4=) 11.Nb5+= dc4 12.Bc4 Nb6 13.Be2 Be6 14.a3 (14.Be5 Ne8 15.Bg7 Ng7+=) 14...Bb3= 15.Qe1 Nc4?? (better 15...Rc8=) 16.d4?? (better 16.Bf6 Bf6 17.Rb3 ab3 18.Bc4+-) 16...Nb2 (better 16...Qb6!? 17.Nc3 Rfc8-/+) 17.Rb2= Ne4 18.Bd3 Nd6 19.Nd2 Nb5 20.Bb5 Qd5 21.Be2 e5 22.Bf3 (22.Nb3 ab3 23.Qb4 ed4 24.Rb3 Rfd8=) 22...Qb5 23.Nb3 ab3 24.Qb4 Qb4 25.ab4 ed4 26.ed4 Ra3 27.Rfb1 Rc8 28.Bb7? (better 28.Bd5=+) 28...Rc2-+ 29.h3 (29.Rb3?? Rb3 30.Rd1 Rd2-+) 29...Rb2 (29...Bd4?! 30.Rb3 Ra7 31.Bf3=) 30.Rb2 Bd4 31.Rb1 b2 32.b5? (better 32.Be4-+) 32...Rc3 (32...f5 33.Bd5 Kg7 34.Bc4-+) 33.Be4 (33.Kh2 Bf2 34.g4 Bd4-+) 33...f5 34.Bd5 Kg7 35.Kh2 (35.Rf1 Kf6-+) 35...Rc5 36.Ba2 Rb5 37.Rf1 (37.f4 Ra5 38.Bb3 Ra3-+) 37...Rc5 38.Rb1 Ra5 39.Bc4 Kf6 40.g3 (40.f4 Ra3-+) 40...Ke5 (40...Rc5 41.Bd3-+) 41.Bd3 (41.Kg2 Ra3-+) 41...Ra3 42.Bc4 (42.Bc2 Rf3 43.Re1 Kd6 44.Re2 Bf2 45.Kg2 Rg3 46.Kf2 Rh3 47.Kg1-+) 42...Ke4 43.Kg2 Ra1 44.f3 0-1. Mamatov,Melis (2290) - Gutenev,A (2465), World Blitz, 2019. (=1.c4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 a5 6.b5 a4)

7.Be2 c6 8.0-0 d5 9.d4 Ne4 10.Nfd2 Nd2 11.Nd2 dc4 12.Bc4 cb5 13.Bb5 Qb6 14.Qe2 Ra5 15.Bd3 Qb2 16.Rfb1 Qc3 17.Nc4 a3?? (better is 17...b5 18.Na5 Qa5 19.Rb5 Qc3=) 18.Rc1+– Qb4 19.Rab1 Qa4 (19...Ra4 20.Rb4 Rb4 21.Qd2+–) 20.Nb6 Qe8 21.Rc8 (21.Nc8?! Nc6 22.Nb6 Qd8+–) 21...Qc8 22.Nc8 Rc8 23.Qd2 Ra7 24.Rc1 Rc1 (24...Rd8+–) 25.Qc1 Nc6 26.d5 Ne5 (26...Bb2 27.Qc2 Ne5+–) 27.Qc8 Bf8 28.Qb8 1–0. Vrhovnik,Damir (2105) – Grguric,Dragan (2080), Rijeka CRO, 2nd League West, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 a4)

7.Be2 d5 8.0-0 c5 9.Nc3?? (better is 9.cd5 Nbd7 10.Qc2+=) 9...a3–+ 10.Bc1 dc4?? (better is 10...d4–+) 11.Bc4= b6 12.Rb1 Nbd7 13.Rb3 Bb7 14.Ra3 Qc7 15.h3 Ne5 16.Ne5 Qe5 17.Ra8 Ra8 18.a3 Ne4 19.Ne4 Qe4 20.Qf3 Qf3-/+ 21.gf3 Bf3 22.Re1 e5 23.Be2 Bd5 24.f3 c4 25.Kf2 Ra5 26.Bb2 Rb5 27.Bc3 Rc5 28.Bb4 Rc6 29.Rg1 h5 30.Rg5 Be6 31.Bf1 Kh7 32.Bg2 Bf6 33.f4 ef4 34.Bc6 fe3 35.de3 Bg5 36.Bb5 h4 37.Kf3 Bf6 38.e4 c3 39.Ke3 Bh3 40.Kd3 Bf1 41.Ke3 Bb5 (41...Bb5 42.Kf2 c2–+) 0–1. nizinna – bigdopalacz, kurnik, 2011.

6.b5 b6

7.a4 Bb7 8.d4 d6 9.Be2 Nbd7 10.0-0 Re8 11.Nc3 e6 12.Re1 Ne4 13.Rc1 Nc3 14.Bc3 Nf6 15.Qb3 Ne4 16.Bb2 Rc8 17.Bf1 d5 18.cd5 Bd5 19.Qc2 Qd7 20.Bd3 c6 21.Be4 cb5 22.Qb1 ba4 23.Bd5 Qd5 24.Ba3 b5 25.Rc5 Qd6 26.Rc8 Qa3 27.Re8 Bf8 28.Ne5 b4 29.Nd7 b3 30.Nf8 Kg7 31.Qe4 Qb4 32.Qe5 Kh6 33.Qf4 Kg7 34.Rf1 a3 35.Nd7 b2 36.Qf6 Kh6 37.Rg8 1-0. Mettigel (2230) - ribarisah (1955), Rated Bullet game, lichess.org, 2014.

7.a4 Bb7 8.Be2 d5 9.0-0 c5 10.cd5 Qd5 11.Nc3 Qd7 12.Qc2 Qc7 13.h3 e5 14.Nh2 Nbd7 15.Bf3 Bf3 16.Nf3 e4 17.Ne4 Ne4 18.Bg7 Kg7 19.Qe4 Nf6 20.Qc2 Nd5 21.Rad1 Nb4 22.Qc3 Kg8 23.d4 Nd5 24.Qc4 Nb4 25.Ne5 Kg7 26.Rc1 Rac8 27.Nf3 Qe7 28.d5 Qd6 29.e4 Rfe8 30.Nd2 Re7 31.f3 Rce8 32.Qc3 Kg8 33.Nc4 Na2 34.Nd6 Nc3 35.Rc3 1–0. Abdullaevich (1825) – Jomirobo (1890), lichess.org, 2020.

7.a4 Bb7 8.Be2 d6 9.d4 Nbd7 10.0-0 Re8 11.Nc3 e5 12.Rc1 Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Nb3 ed4 16.Bd4 Nc5 17.Nc5 dc5 18.Bg7 Kg7 19.Bf3 Qd1 ½–½. Voloshin,Leonid (2420) – Konopka,Michal (2480), CZE–ch op Plzen, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 b6)

7.a4 d5 8.cd5 Qd5 9.Nc3 Qd8 10.Be2 Bg4 11.0-0 Bc8 12.d4 Bb7 13.Rc1 Nbd7 14.e4 (14.Qb3 Rc8+/–) 14...Qe8 (better is 14...Ne4 15.Ne4 Be4+=) 15.d5 e5 16.Qd2 Rc8 17.Nd1?? (better is 17.Ba3 Nc5 18.Bc5 bc5 19.Qe3+–) 17...Nc5 (better is 17...Ne4!? 18.Qd3 Nef6-/+) 18.Qc2 Nfe4 19.Nc3? Nc3–+ 20.Bc3 Bd5 21.Rfd1? Bb7 22.Bc4 e4 23.Bg7-/+ Kg7 24.Qc3 f6 25.Nd4 Na4 26.Qb3? Nc5–+ 27.Qc2 Qe5 28.Ne6?? Kh8 29.Nf8+= Rf8 30.Rd7?? Qg5 31.Rc7+= Ba8 32.Re1 e3 33.f3?? h5?? 34.Bf1?? h4?? 35.h3 Qg3 36.Qe2?? Re8 37.Rd1?? Ne6 38.Rf7? Nf4?? 39.Qe1?? Nh3–+ 40.Kh1 Nf2 41.Kg1 Nd1 42.Qd1 h3 43.Kh1 hg2 44.Bg2 e2 45.Qe1 Qe1 46.Kh2 Qh4 (46...Qh4 47.Bh3 Qf4 48.Kg2 Bf3 49.Kg1 e1Q 50.Bf1 Qfg3) 0–1. Fournier,Frederic (1890) – vasgen (1880), Active (3/0), 2005.

7.Nc3 Bb7 8.Be2 d6 9.0-0 Ne4 10.Qc2 Nc3 11.Bc3 (worse 11.dc3 Nd7=+) 11...Nd7 12.Bg7 Kg7 13.d4 e5 14.de5 Ne5 15.Ne5 de5 16.Rad1 Qf6 17.Rd7 Rac8 18.Rfd1 Rfd8 19.Qd2 (19.c5 bc5 20.Qc5 Qg5+/-) 19...Re8 20.Bg4 h5 21.Be2 Qg5 22.g3 h4 23.c5 hg3 24.hg3 (24.fg3!? bc5 25.Qc3+=) 24...bc5= 25.Bc4 Re7 26.Re7 Qe7 27.Qd7 (27.Qa5?? Bf3 28.Bd5 Bd1-+) 27...Rh8 28.f3? (better 28.f4!? Qf6 29.Bd5 Bd5 30.Qd5-/+) 28...Qf6-+ 29.Bd5 Rd8 (29...Rd8 30.Bb7 Rd7 31.Rd7 Qf5-+) 0-1. bjoernsen (2405) - juanchacon (2405), Rated blitz game, lichess.org, 2021.

7.Nc3 Bb7 8.h4 d5 (8...h6 9.d4=) 9.h5 (9.cd5 h5 10.Qc2 Nd5 11.Nd5 Bd5 12.Bg7 Kg7 13.e4+=) 9...Nbd7 (better 9...Nh5!? 10.cd5 Bd5=) 10.hg6+/- hg6 11.Qc2 (11.d4 Rc8+/-) 11...dc4+= 12.Bc4 e5?? (better 12...c5+=) 13.Qg6+- Nc5 (13...Bf3 14.gf3 Nc5+-) 14.Ne5 Qe7 15.d4 (better 15.Ng4 Rfd8 16.Nd5 Kf8 (16...fg6?? 17.Ne7 Kf8 18.Ng6 Ke8 19.Nf6 Bf6 20.Bf6 Nd3 21.Bd3+-) 17.Ne7 Nd3 18.Qd3 Rd3+-) 15...Ne6 16.Qg3 Rad8 17.0-0-0 Ne4 (17...Rfe8 18.Rh4 Rd6 19.Rdh1+-) 18.Ne4 Be4 19.f3 (better 19.Qg4 Bd5 20.Bd5 Rd5+-) 19...Bb7 (19...Bd5 20.Bd5 Rd5 21.Rh5 Re5 22.Re5+- (22.de5?! Rd8 23.Rdh1 Qc5 24.Kb1 Kf8+-)) 20.Qh3 (better 20.Rh5 Qf6+-) 20...Rfe8 (20...Ng5 21.Qh4 Bd5 22.Bd3+-) 21.Qf5 (better 21.Qh7 Kf8 22.d5+-) 21...Qf6 (21...Bd5+-) 22.Qh7 Kf8 23.Ba3 Nc5 24.Nf7 (better 24.Bf7 Re5 25.Qg8 Ke7 26.Qd8 Kf7 27.Qf6 Bf6 28.de5 Be5 29.Bc5 bc5+-) 24...Rd7 (24...Bd5 25.Nd8 Bc4+-) 25.Ne5 (25.dc5?! Qc3 26.Kb1 Qa1 27.Kc2 Qc3 28.Kb1 Qa1 29.Kc2 Qc3 30.Kb1=) 25...Re5 (25...Ke7 26.Ng4 Rh8 27.Nf6 Rh7 28.Nh7 Ke8 29.dc5 Re7+-) 26.de5 Qe5 27.Rd7 Qc3 28.Kd1 (28.Kd1 Qb3 29.Bb3 Bf3 30.gf3 Ke8 31.Qg7 Nd7 32.Qe7) 1-0. ari_atoy (2090) - MLUN (2045), Rated Blitz game, lichess.org, 2014.

7.d3 d5 8.Nbd2 (8.Bf6 ef6 9.d4 f5+=) 8...Bb7 (8...dc4 9.dc4 Qd7 10.c5+=) 9.Be2 (9.cd5 Bd5 10.a3 c6=) 9...Nbd7 (9...dc4 10.Nc4 Ra7 11.Qb3+=) 10.0-0 (10.cd5 Bd5 11.Qc1 Bf3 12.Nf3 Rc8+=) 10...Re8 (10...dc4 11.Nc4 Ne8 12.Qd2+=) 11.d4 (11.cd5 Bd5 12.Bf6 ef6=) 11...dc4 12.Bc4 h6 (12...Bf3 13.gf3 e6 14.Ba3=) 13.Qb3 e6 14.Rac1 Bf8 15.Qc2 c5 16.bc6 Bc6 17.e4 b5 18.Bd3 Rc8 19.Qb1 Qb6 20.Qa1 (20.Rfe1 b4=) 20...Bg7 21.Rc2 Bb7 22.Rfc1 Rc2 23.Rc2 Rc8 24.Rc8 Bc8 25.Qf1 b4 26.Bb5 Nb8 27.Qc4 Bd7 28.Bd7 Nfd7 29.a3 Bf8 30.ab4 ab4 31.d5 ed5 32.ed5 Bg7 33.Bd4 Qa5 34.h4 Nb6 35.Bb6 Qb6= 36.Nb3 Bf8 37.Nfd4 Qd6 38.Nb5 Qe5-/+ 39.g3 Nd7 40.Qd4? Qd4?? 41.N3d4 Kg7 42.Kf1+= Kf6 43.f4 Nb6 44.Nc7 Ke7 45.Ke2 Kd7 46.Na6 Nd5 47.Kd3 h5 48.Kc4 Ne3-/+ 49.Kb3 Nf1 50.Nb4 Ng3 51.Nd5 Bg7–+ 52.Nf3 Ke6 53.Kc4 Kf5 54.Kd3 Ke6 55.Ne3 Bf6-/+ 56.Kd2 Nf5 57.Ng2 Kd5 58.Kd3 Ke6 59.Ke4? Nd6-/+ 60.Ke3 Kf5 61.Nh2 Nc4 62.Kd3 Nb6 63.Ke3 Nd5 64.Kf3 Bd4 65.Nf1 Bg1 66.Ng3+= Ke6 67.f5 Kf6 68.fg6 fg6 69.Ne4 Ke5 70.Ne1 Ne7 71.Nd3 Kf5 72.Ng3 Kf6 73.Ne4 Kg7 74.Ng3 Bd4 75.Nf4 Bf6 76.Ngh5 ½–½. Bencze,Laszlo (2265) – Dombai,Istvan (2210), Tapolca Evadnyito op, 2002. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 b6)

7.d3 d6 8.Be2+=.

7.d4 Bb7 8.a4 d6 9.Nbd2 Nbd7 10.Qc2 Re8 11.Be2 e5 12.de5 de5 13.0-0 Qe7 14.Ba3 Qe6 15.Ng5 Qf5 16.Qf5 gf5 17.Rfd1 Rad8 18.Rac1 Bf8 19.Bf8 Kf8 20.Nb3 h6 21.c5 (21.Nf3 c5=) 21...Nc5= 22.Rd8 Rd8 23.Nc5 bc5 24.Nf3 Bf3 25.gf3 Nd7 26.Bd3 Nb6 27.Bf5 c4 28.Bh3 (28.Kf1!?=) 28...Rd5-/+ (28...Na4?! 29.Rc4 Nb6 30.Rc7 Rd1 31.Bf1+=) 29.Bf5 Ke7 30.Kf1 Kd6 (worse is 30...Na4 31.Rc4 Nb6 32.Rc7 Kf8 33.Bg4=) 31.Ke2 Kc5 (worse is 31...Na4 32.Rc4 Nc5 33.Rh4+=) 32.Be4 Rd8 (32...Na4 33.Bd5 Kd5 34.Ra1 Nc3 35.Kd2 Nb5 36.Ra5+–) 33.Bc2 f6 34.Bd1 Rd3 35.Ra1 Nd5 36.Bc2 Rc3 (better is 36...Nc3!? 37.Ke1 Rd8-/+) 37.Kd2= Kb4 38.Rb1 Rb3 39.Bb3 cb3 40.Rg1 Ka4 41.e4 Nf4 42.Rc1?? (better is 42.Rg8-/+) 42...b2–+ (42...Kb5?! 43.Rc7 Kb4 44.Kc1-/+) 43.Rb1 Kb3 (43...Kb3 44.Rh1 a4–+) 0–1. Cruz Alvarez de Ron,Dan (2265) – Llaneza Vega,Marcos (2425), ESP–ch universities, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 b6)

7.d4 Bb7 8.Nbd2 Ne4 9.Be2 d6 10.0-0 Nd7 11.Rc1 c5 12.Qc2 Nd2 13.Nd2 cd4 14.ed4 Rc8 15.Bf3 Qc7 16.Bb7 Qb7 17.Qd3 Rc7 18.Rfe1 Nf6 19.h3 Rfc8 20.Ba3 Bh6 21.Rc2 (21.Red1!?=) 21...Bd2-/+ 22.Qd2 Rc4 23.Rc4 Rc4 24.Qe2 Ra4 25.Bc1 Rd4 26.Be3 Rb4 27.Qc2 (better 27.Rc1!?-/+) 27...Rb5-+ 28.Bh6 Rc5 29.Qb2 b5?? (better 29...e5-+) 30.Qf6!! (30.Qf6 Qg2 31.Kg2 Rg5 32.Kh2 Rg2 33.Kg2 ef6 34.Re8) 1-0. bjoernsen (2435) - juanchacon (2425), Rated blitz game, lichess.org, 2021.

7.d4 d5 8.cd5 Nd5 9.Nc3 (9.e4 Nf6 10.Qc2 Bb7+=) 9...Bb7 10.Nd5 Bd5 11.a4 Nd7 12.Rc1 Re8 (12...Rc8 13.Bc4 c6 14.bc6 Bc6 15.Ba3+=) 13.Qc2 (13.Bc4 e6+=) 13...Rc8 14.Be2 (14.e4 Bb7+=) 14...c6 (14...c5 15.bc6 Rc6 16.Qb1=) 15.0-0 (15.e4 Bh6 16.ed5 Bc1 17.Qc1 cb5=) 15...e5 (15...Bf3 16.Bf3 cb5 17.Qc8 Qc8 18.Rc8 Rc8 19.ab5=) 16.de5 (16.e4!? Be4 17.Qe4 ed4 18.Qc2+/–) 16...Ne5 (16...Be5 17.Ne5 (17.bc6?! Rc6 18.Qb1 Bf3 19.Bf3 Rc5+=) 17...Re5 18.Be5 Ne5 19.Rfd1+–) 17.Ne5 (17.Rfd1 cb5 18.Qc8 Nf3 19.gf3 A) 19...Bb2? 20.Qd8 (20.Bb5?! Bc1 21.Qd8 Rd8=) 20...Rd8 21.Rb1+–; B) 19...Qc8 20.Rc8 Rc8 21.Bg7 Kg7 22.Rd5 ba4=) 17...Be5= 18.Be5 Re5 19.Qb2 (19.Rfd1 Qg5 20.g3 Ree8=) 19...Qg5 20.g3 Rce8?? (better is 20...Qf5!? 21.Rc3 c5=) 21.bc6?? (better is 21.f4 Qh6 22.fe5 Qe3 23.Rf2+–) 21...Qf5+/– 22.c7 Qe4 23.f3 Qe3 24.Rf2 Rc8? (better is 24...Bb7 25.Bb5 Rf8+/–) 25.Ba6+– Be6 26.Bc8 Bc8 27.Rd1 (27.Rd1 Re8 28.Rd8+–) 1–0. blackdogs – croach, net–chess.com, 2018.

7.d4 d6 8.Nc3 e6 (8...Nbd7 9.Bd3=) 9.g3 (9.Bd3 Bb7+=) 9...Bb7 10.Bg2 Nbd7 11.0-0 Rb8 12.a4 (12.Re1 Ne4=) 12...Re8 13.Qc2 Bf8 (13...Rc8 14.d5=) 14.Rac1 Rc8 15.Rfd1 c5 16.dc5 (16.bc6 Bc6 17.Nb5 Be4+=) 16...Nc5= 17.Ne5 Bg2 18.Kg2 Qc7 19.Nc6 Qb7 20.Ne2 Nfd7 21.f3 e5 22.e4 Nb8 23.Nb8 Rb8 24.Nc3 f6 25.Nd5 Qf7 26.Ra1 Bg7 27.Ra3 Red8 28.Bc1 Rd7 29.Be3 f5 30.ef5 gf5 31.Bc5 dc5 32.Rad3 Kf8? 33.Nb6!+– Rd3 34.Qd3 Rb6 35.Qd8 Qe8 36.Qb6 e4 37.Rd8 (37.Rd8 h6 38.Qd6 Kf7 39.Re8 Ke8 40.b6+–) 1–0. Agrest,Roman (2000) – Andersson,Bengt (1945), SWE–ch Veteran, 2003.

7.d4 d6 8.Nbd2 Bb7 9.Be2 Nbd7 10.0-0 Re8 11.a4 e5 12.Re1 e4 13.Ng5 d5 14.Qb3 h6 15.Nh3 Nf8 (15...g5 16.cd5 Bd5 17.Bc4+=) 16.Nf4+= Ne6 17.Nd5 Nd5 18.cd5 Bd5 19.Bc4 c6? (better 19...Bc4!? 20.Qc4 f5+=) 20.bc6+– Bc6 21.Rab1 Rb8 22.Ba3 Ba8 (22...Qd7!? 23.d5 Ba4 24.de6 fe6+–) 23.Bb5+– Nc7 (23...Bd5 24.Nc4+–) 24.Be8 Qe8 (24...Ne8 25.Bc5!+–) 25.Bd6 Qd7 26.Bg3 Bd5 27.Qc2 Rc8 (27...Rb7+–) 28.Rec1 1–0. DEFFM – GuestKDGW, freechess.org, 2019.

7.d4 d6 8.Be2 Bb7 9.Nc3 Ne4 10.Ne4 Be4 11.0-0 Nd7 12.Nd2 Bb7 13.Bf3 Bf3 14.Qf3 Nc5 15.Rad1 (worse is 15.dc5 Bb2 16.Rab1 Be5=) 15...Nd3 16.Ba1 c5? (16...Nb4 17.a3 Nc2+–) 17.Qe2 (17.a3 a4+–) 17...Nb4 18.Nf3 cd4 19.ed4 (19.Nd4?! e5 20.Nb3 e4 21.Bg7 Kg7+–) 19...e5? (19...d5 20.a3 dc4 21.ab4 Qd5 22.ba5 Ra5 23.Qe7 Rc8+–) 20.de5 Qe7 21.Rd6 Rae8 (21...Rfd8 22.Rd4 Re8+–) 22.Rfd1 (worse is 22.Rb6 Qc7 23.Bd4 Rd8+–) 22...f6 23.e6 (worse is 23.Rb6 fe5 24.a3 e4 25.ab4 Ba1 26.Ra1 Qd8+–) 23...Qb7 (23...Bh6 24.a3 Bf4 25.R6d4 (25.ab4?! Bd6 26.ba5 ba5+/–) 25...Qe6 26.Qe6 Re6 27.ab4+–) 24.a3 (24.Rd7 Qc8 25.e7 Kh8 26.ef8R Bf8 27.Bf6 Kg8+–) 24...Re7 (24...Qe7 25.ab4 ab4 26.Qd2+–) 25.Rd7 Rd7 26.ed7 (26.ed7 Qa8 27.Qe6 Kh8 28.Qb6+–; 26.ab4?! Rd1 27.Qd1 ab4+=) 1–0. pcmvr – croach (2375), net–chess.com, 2016.

7.d4+= Ne4 8.Nbd2 Bb7 9.Qc2 (9.Ne4 Be4 10.Bd3 Bd3 11.Qd3 c6+=) 9...f5 10.d5 Bb2 11.Qb2 c6 (11...e6 12.de6 Nd2 13.Nd2 de6 14.Qe5=) 12.Ne4+/– fe4 13.dc6 ef3 14.cb7 Ra7 15.c5 (15.Qe5!?+/–) 15...bc5= 16.gf3 Rb7 17.Qe5 e6 18.Qc5 (better is 18.Rd1!?=) 18...Qf6-/+ (18...Rf3?! 19.Rc1 Rf8 20.h4+=) 19.Rc1?? (better is 19.0-0-0 Qf3 20.Bd3=+) 19…Qf3–+ (20.Qf8 Kf8–+) 0–1. Mueller,Alfred – Bahr,Arne, Schleswig Holstein–ch, 1992.

7.Be2 d5 8.0-0 Bf5 9.d4 dc4 10.Bc4 Be4 11.Nc3 Bb7 12.a4 Nbd7 13.Ba3 Re8 14.Qb3 e6 15.Nd2 Nf8 16.Qc2 Rc8 17.Nce4 Ne4 18.Ne4 Nd7 19.Ng3 Nf6 20.Qb3 Nd5 21.Qd1 e5 (21...c5 22.bc6 Bc6 23.Qb3=) 22.de5 Be5 23.Rc1 Nf6 (23...c6!?+=) 24.Qb3+/– Bd5 25.Rfd1 Bc4 26.Qc4 Bd6 27.Bb2 (27.Bd6!? cd6 28.Qc8 Qc8 29.Rc8 Rc8 30.Kf1=) 27...Qe7+/– 28.Rc2 Be5 29.Be5 Qe5 30.Rcd2 Qe7 31.Rd4 Red8 32.h3 Rd4 33.Rd4 Rd8 34.Qd3 Rd4 35.Qd4 h6 36.Kf1 Nd7 37.Ne4 Ne5 38.Nc3 Nd7 39.Nd5 Qd6 40.Qc4 Nc5 41.Qd4 Nd7 42.Qc4 Nc5 43.Qd4 Nd7 ½–½. mr5reasons1 (1800) – kaschlack (1760), gameknot.com, 2013.

7.Be2 d6 8.d4 Bb7 9.0-0 Nbd7 10.Qc2 Re8 11.Nc3 e5 12.Rfe1 Qe7 13.h3 (13.d5 Bc8+=) 13...Nh5 (13...ed4!? 14.Nd4 Nc5=) 14.Nd5 Qd8 15.de5 Ne5 (15...de5 16.Rad1+/–) 16.Ne5 Be5 17.Bh5 Bd5 (17...gh5 18.e4+/–) 18.Bg6+– hg6 (18...fg6 19.cd5 Bb2 20.Qb2+–) 19.cd5 Qf6 (19...Qd7 20.Rab1+–) 20.Be5 Qe5 (20...de5 21.e4+–) 21.Qc7 1–0. DEFFM – GuestVRPP, freechess.org, 2018.

7.Be2 Bb7

8.0-0 d5 9.cd5 Qd5 10.Nc3 Qd8 11.d4 Nbd7 12.a4 Nd5 13.Nd5 Bd5 14.Rc1 e5? (better is 14...Rc8!?+=) 15.de5+– Bf3 (15...Bb7 16.Rc2 Nc5 17.Ba3+–) 16.Bf3 (16.gf3?! Be5 17.Be5 Ne5 18.Qd8 Rfd8+/–) 16...Rc8 (16...Ra7 17.Ba3 Re8 18.e6+–) 17.Bg4 Ne5 18.Bc8 Qc8 19.Rc2 (19.Bd4 Qe6+–) 19...Rd8 20.Qe2 (20.Qa1 f6+–) 20...Qb7 (20...Rd6 21.Bd4+–) 21.Be5 (21.Rd1 Qc8+–) 21...Be5 22.Rc6 Bd6 23.Qf3 Qc8 24.g3 Qe6 25.Qd1 Qe7 26.Qc2 Qg5 27.Qe4 Kf8 28.Rc4 Re8 29.Qh4 Qh4 30.Rh4 Kg7 31.Rc4 f5 32.Rd1 Kf6 33.Kg2 g5 34.h3 Re4 (34...h5 35.Kf3+–) 35.Re4 fe4 36.f4 h6 (36...ef3 37.Kf3 Be5+–) 37.Rd4 gf4 38.ef4 (worse is 38.gf4 Kf5+–) 38...e3 39.Kf3 h5 (39...Kf7 40.Rd3+–) 40.g4 hg4 41.hg4 Ke6 42.Re4 Kd5 43.Ke3 Bb4 44.Kd3 c6 (44...Ba3+–) 45.bc6 Kc6 46.Rb4! ab4 47.Kc4 1–0. rayfranke (2515) – croach (2375), net–chess.com, 2016.

8.0-0 d5 9.cd5 Nd5 10.Bg7 Kg7 11.Qc2 Nd7 12.Rc1 Rc8 13.Nc3 N7f6 14.Nd5 Nd5 15.Qb2 Kg8 16.Rc4 (16.d4 c5+/-) 16...Qd6 17.Rac1 Rfd8 18.d4 e6 (18...c5 19.bc6 Ba6 20.c7 Rc7 21.Rc7 Nc7 22.Ba6 Na6 23.Ne5+/-) 19.a3 (19.Ne5 Qe7+/-) 19...Ne7 20.Ne5 Bd5 21.R4c3 f6 22.Nd3 (22.Nc4 Qd7+/-) 22...Be4 (22...c6 23.bc6 Bc6 24.Nf4+/-) 23.Nf4+/- Nd5 (23...e5 24.Bc4 Kh8 25.Ne6+/-) 24.Nd5 (24.Rc6 Qd7 25.f3 Nf4 26.fe4 Ne2 27.Qe2 Re8+-) 24...Bd5 25.Bc4 Kf7 (25...e5 26.Bd5 Qd5 27.Rc4+/-) 26.Qb3 (26.Bd5 ed5 27.Rc6 Qd7+-) 26...Rd7 27.Bd5 Qd5 28.Qd5 ed5 29.Rc6 Ke7 30.Rb6! cb6 31.Rc8 Rd6 (31...h5 32.h4+-) 32.a4 (32.g4 Rd8 33.Rd8 Kd8+-) 32...f5 (32...h6 33.g4+-) 33.g3 (33.Rc7 Rd7 34.Rd7 Kd7+-) 33...h5 (33...h6 34.Rh8 g5 35.Rh7 Ke8 36.Kg2+-) 34.h4 Kd7 35.Rc3 Kd8 36.Kg2 Kd7 37.Kf3 Ke6 (better 37...Re6+-) 38.Kf4 Kf6 (38...Kd7 39.Ke5+-) 39.Rc6 Rc6 40.bc6 Ke6 41.c7 Kd7 42.c8Q (42.Ke5 b5 43.Kd5 ba4+-) 42...Kc8 43.Ke5 b5 44.Kd5 (44.ab5?? a4 45.Kd5 a3-+) 44...ba4 (44...b4 45.Kc4+-) 45.Kc4 Kb7 46.Kc3 Kb6 47.Kb2 Kb5 48.Ka3 Kc4 (48...Kb6 49.Ka4 Ka6 50.f3+-) 49.Ka4 Kd5 50.Ka5 g5 (50...Ke4+-) 51.hg5 Ke4 52.Kb6 h4 53.gh4 Kd5 54.g6 Ke6 55.h5 Kf6 56.d5 f4 57.ef4 Kg7 58.d6 Kh6 (58...Kf6 59.d7 Ke7 60.Kc6 Kf6 61.d8Q Kf5 62.Qg5 Ke4 63.Qd5 Kf4 64.g7 Kg4 65.g8Q Kf4 66.Qgg5) 59.d7 Kg7 (59...Kh5 60.g7 Kg6 61.g8Q Kf5 62.d8Q Kf4 63.Qf6 Ke4 64.Qc4) 60.d8Q Kh6 61.Qg5 (61.Qh8) 61...Kg7 62.h6 Kg8 63.Qd8 1-0. uoylliki (2255) - pacalmisu (2280), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 a5)

8.d4 d5 9.0-0 a4+=.

8.d4+= d5 9.0-0 c6 10.Na3 Ne4 11.Nd2 Nd6 12.Bf3 cb5 13.Nb5 Nb5 14.cb5 Nd7 15.Rc1 Nf6 16.Nc4 Rc8 17.Ne5 Ne4 18.Qd3 Be5 19.de5+/– Nc5 20.Qd4 Ne6 21.Qh4 Qd7 22.a4 Nc5 23.Rcd1 Ne6 24.Ba3+/– Rfe8 25.Rc1 Rc7 26.Rc7 Qc7 27.Rc1 Qe5= 28.h3 Ng5 29.Be2 Rc8+= 30.Rc8 Bc8 31.Bf1 Bh3 32.Qf4= Qf5 33.gh3 Nf3 34.Kg2 Ne1 35.Kh2 Nf3 36.Kg3+– Nd2 37.Qf5 Nf1? 38.Kg2 gf5? 39.Kf1 Kf8 40.Bb2 1–0. Makarov,V MDA (2260) – Ajrapetjan,Y (2395), TCh–UKR, Alushta UKR, 2005. (=1.c4 Nf6 2.Nf3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3)

8.d4 d5 9.Nbd2 dc4 (9...c6 10.0-0+=) 10.Bc4 Nbd7 (10...c6 11.0-0=) 11.a4 (11.Rc1 e6+=) 11...Ne4 (11...Rc8 12.Rc1+=) 12.0-0 (12.Ne4 Be4 13.Rc1 Rc8+=) 12...Nd2 13.Nd2 Nf6 (13...Rc8 14.Rc1+=) 14.Qb3 Ne4 (14...Rc8 15.Rac1+=) 15.Nf3 (15.Ne4 Be4 16.Rac1 Qd6+/–) 15...Nd6 (15...Rc8 16.Rac1+=) 16.Bd5+/– Bd5 (16...Rc8 17.Rac1+/–) 17.Qd5 e6 18.Qb3 (18.Qc6 Rc8+/–) 18...Ne4 (18...Nf5 19.Rac1+/–) 19.Rac1 Rc8 (19...Nf6 20.Rc6+/–) 20.Rc6 h5 (20...Re8 21.Rfc1+/–) 21.Re6 (21.Qc2!? Qd5 22.Ba3+–) 21...fe6+/– 22.Qe6 Kh8 (22...Rf7 23.Qe4 Qd6 24.Rc1+/–) 23.Qe4 Qe8 24.Qd3 (better is 24.Qe8 Rfe8 25.Rc1+/–) 24...Qe7?? (better is 24...c5+/–) 25.Ba3+– c5 (25...Qf7 26.Bf8 Rf8+–) 26.bc6 (26.Qg6?! Rf6 27.Qh5 Rh6+–) 26...Qc7 (26...Qf6 27.Bf8 Rf8 28.Qe4+–) 27.Bf8 Bf8 28.Qg6 Qc6 29.Qh5 Qh6 (29...Kg8 30.Ne5 Qc7 31.Qg4 Bg7 32.Nd7+–) 30.Qf5 Rd8 (30...Rc3+–) 31.Ne5 Rd6 32.Nf7 (32.Nf7 Kg7 33.Nh6+–) 1–0. DEFFM – GuestJBZQ, freechess.org, 2018..

8.d4 d6 9.0-0 Nbd7 10.Qc2 e6 11.Nc3 Qe7 12.Na4 (12.e4 Rac8+=) 12...Ne4 13.Ne1 e5 14.Bf3 f5 15.Nd3 Rab8 16.Rac1 (16.Rfe1 Qh4=) 16...c5 17.de5 de5 18.Rcd1 Rfd8 (18...Rbd8 19.Be4 fe4 20.Nc1=) 19.Rfe1 Qe6 20.Be4 Be4 21.f3 Ba8 22.Rd2 Qe7 23.e4 fe4 24.fe4 Qe6 25.Nf2 Bh6 (25...Nf6 26.Rd8 Rd8 27.Rd1=) 26.Rd3 Nf6 Attacks the isolani on e4 27.Rd5 Bd5 28.ed5 Qf7 29.Be5 Re8 (29...Rb7!?=) 30.Qc3+/– Rb7 31.Rf1 Rf8 32.Qh3 Bg7 33.Nd3 Ng4?? (better is 33...Qe7=) 34.Rf7+– Rbf7 35.g3 Ne5 36.Ne5 Be5 37.Qe6 (37.Nb6?? Bd4 38.Kh1 Rf1 39.Qf1 Rf1 40.Kg2 Rf2 41.Kh1 Ra2–+) 37...Bd4 38.Kg2 Kg7 39.d6 (better is 39.Qb6!? Rf6 40.d6+/– (40.Qa5 g5 41.Nc5 g4 42.Ne6 Re6+=)) 39...g5 40.Qg4 Kg6? (40...Rf2 41.Kh3 R8f6 42.Qg5 Rg6 43.Qe7 Rf7=) 41.h4+– (41.Nb6? h5 42.Qe4 Kh6 43.Qe6 Rf6 44.Qf6 Rf6–+) 41...h6 42.Nb6 Rf2 43.Kh3 R8f5 (43...Ra2 44.Qe6 Kg7 45.hg5 Rh8+–) 44.Nd5 Bf6 45.Nf4 (better is 45.Qe4 Kf7+–) 45...R2f4 46.gf4 h5 (46...Rf4 47.h5 Kf7 48.Qd7 Kf8 49.b6 Rc4 50.Qe6 Rh4 51.Kg3+–) 47.Qf5! Kf5 48.b6 (48.fg5?! Be5+=) 48...g4 49.Kg2 Bh4 50.b7 Bf6 (50...Ke4 51.b8Q Kd3 52.Qe8 Kc4 53.Qf7 Kb5 54.Qh5+–) 51.b8Q h4 52.d7 1–0. Cordova,Emilio (2635) – Niemann,Hans M (2285), Millionaire Chess Op, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 b6 7.Be2 Bb7)

8.d4 d6 9.0-0 Nbd7 10.Nbd2 Re8 11.Qc2 e5 12.Rfe1 ed4 13.ed4 Nf8 (13...Ne4 14.Bd3 Nd2 15.Re8 Qe8 16.Nd2+=) 14.d5 N8d7 15.Bf1 Nc5 16.Re8 Qe8 17.Re1 Qd7 18.Nb3 Nb3 19.Qb3 Re8 20.Qd1 Bc8 21.Re8 Qe8 22.Qa1 Qe4?? (better is 22...Nh5+=) 23.Bf6+– (23.Bf6 Bf6 24.Qf6+–) 1–0. GuestWHFK – GuestZZZH, freechess.org, 2018.

8.0-0 d6

9.Nc3 e5

10.d4 ed4 11.Qd4 Ne4 12.Qd3 Nd7+=.

10.d4 ed4 11.Nd4 Re8 12.Bf3 Bf3 13.Qf3 Nbd7 14.a4 Ne5 (14...Nc5 15.Qe2=) 15.Qe2+= Nfg4 16.Nd5 Rc8 (better is 16...Nf6!?+=) 17.f4+/– Qh4 18.h3 Qg3 19.hg4 Ng4 20.Nf3 Bb2? (better is 20...Ne3 21.Rae1 Bb2 22.Qb2 Nd5 23.cd5 Qf4+–) 21.Qb2+– Re3 (21...f5+–) 22.Rae1 Rf3 (22...Ree8+–) 23.Ne7 (23.Ne7 Kf8 24.Qh8) 1–0. DEFFM – GuestFRSP, freechess.org, 2018.

10.d4 ed4 11.Nd4 Re8 12.Bf3 Bf3 13.Qf3 Nbd7 14.Nc6 Ne5 15.Ne5 de5=.

10.d4 ed4 11.Nd4 Re8 12.Bf3 Bf3 13.Qf3 Nbd7 14.Rad1 Nc5 15.Nc6 Qd7 16.Qe2 Nfe4 (16...Qg4!?+=) 17.Nd5+/– Bb2? (better is 17...f5+/–) 18.Qb2+– Na4 (18...f5 19.f3 Re6 20.fe4 Ne4 21.g4+–) 19.Qc2 Nac5 20.f3 1–0. DEFFM – GuestVKXN, freechess.org, 2018.

10.d4 Nbd7 11.Qc2=.

9.d4 Nbd7

10.Qc2 e6 11.Nc3 Qe7 12.Rfd1 Rac8 13.Na4 Ne4 14.Nd2 Nd2 15.Rd2 Qg5 16.Bf1 f5 17.f4 Qh4 18.g3 Qg4 19.Qd1 Bf3 20.Be2 Be2 21.Qe2 Qe2 22.Re2 Rfe8 23.e4 fe4 24.Re4 d5 25.cd5 ed5 26.Re8 Re8 27.Rc1 Rc8 28.Kf2 Kf7 29.Ke3 Bf8 30.Kd3 Bd6 31.Nc3 Nf6 32.Nb1 Ne4 33.Ba3 Ke7 34.Bd6 Kd6 35.Rc6 Kd7 36.Nc3 Nc3 37.Rc3 Re8 38.Rc1 ½–½. Kindl,Peter – Boehm,Martin, Wuerttemberg–ch, 1979. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3)

10.Nc3 Ne4 11.Ne4 Be4 12.Nd2 Bb7 13.Bf3 Bf3 14.Qf3 e5 15.Rad1 f5 16.Qd5 Kh8 17.Qc6 Rc8 18.h3 Qe7 19.Rfe1 Qf7 20.Rc1 Rfe8 21.Nf3 h6 22.Ba1 Bf6 23.a4 Qg7 24.Rcd1 g5 (24...e4 25.Nd2=) 25.de5+= Ne5 26.Be5 Be5 27.Rd5 g4 28.Ne5 Re5? (better is 28...gh3!? 29.g3 Re5 30.Rd6 cd6 31.Qc8 Kh7+/–) 29.Rd6!+/– cd6 30.Qc8 Kh7? (better is 30...Qg8!? 31.Qc6 gh3+/–) 31.hg4+– fg4 32.g3 Rc5 33.Qe6 1–0. forsetinn (2350) – baitang (1960), gameknot.com, 2014.

10.Nc3 e5 11.Rc1 Re8 12.Qc2 Bh6 (12...ed4 13.Nd4 Nc5 14.Nc6 Bc6 15.bc6=) 13.de5+= de5 14.Rfd1 Qe7 (14...Bf8 15.Ng5+=) 15.Nd5 Nd5 16.cd5 (worse is 16.Rd5 Bd5 17.cd5 Ra7+=) 16...Rac8 17.Qc3 (17.h4 Bg7+=) 17...Bf8 (17...Bg7 18.e4+=) 18.e4 (18.h3 Bg7+=) 18...f6 (18...Qb4 19.Bd3+=) 19.Nd2+/– Nc5 20.Ba3 (20.Qc4 Qf7+/–) 20...Qg7 (20...Qd7 21.Qc4+=) 21.Qe3+/– Bd6 (21...f5!?+/–) 22.Bc5 bc5 (22...Bc5 23.Rc5 bc5 24.Nb3+–) 23.Bg4 (23.Nb3 Ra8+–) 23...Rcd8 (23...Rb8 24.Be6 Kf8 25.Nb3+–) 24.Nb3 (24.Be6 Kh8+–) 24...f5 25.ef5 Bf8 (25...Bc8+–) 26.Nc5 (26.f6 Qf6 27.Be6 Kg7 28.Nc5 Bc5 29.Qc5 Re7+–) 26...Bd5 27.Rd5! Rd5 28.Qb3 Qf7 29.fg6 hg6 30.Be6! Re6 31.Qd5 Rb6 (31...Rd6 32.Qf7 (32.Qe5? Rd5 33.Qe2 Bc5–+) 32...Kf7 33.Ne4+–) 32.Qf7 (32.Qe5?! Rb5 33.a4 Bd6+=) 32...Kf7 33.a4 Bc5? (better is 33...Rd6 34.Na6 Rd4 35.Rc7 Ke6+–) 34.Rc5 c6 (34...Rb7+–) 35.Rc6 (35.Rc6 Rb8 36.Ra6+–) 1–0. Manukyan,Sargis V (2290) – Mkrtchyan,Sargis R (2140), 1st Yerevan Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 b6 7.Be2 Bb7 8.0-0 d6 9.d4 Nbd7)

10.Nc3 e5 11.Qc2 Re8 12.Na4 Be4 13.Qb3 ed4 14.Bd4 Ne5 15.Ne5 de5 16.Bc3 Qe7 17.Rad1 Rad8 18.Qb2 Nd7 19.Bg4 Qg5 20.Bh3 f5 21.c5 Nc5 22.Nc5 bc5 23.Rd8 Rd8 (23...Qd8!? 24.Ba5 c4=) 24.Be5+= Qe7 25.Bg7 Qg7 26.Qb3 Qf7 27.Qc3 (27.Qa4 Qd7+=) 27...c4 (27...Qa2 28.Qc5 Rd7 29.Qa7=+) 28.Re1 Rd3 29.Qa5 Qd7 (29...c3!? 30.Qa4 Rd2+=) 30.f3 Bb7 31.Qa7 (31.Qb4 Qd5+/-) 31...Bc8? (31...Rd1 32.Qb8 Bc8 33.Rd1 Qd1 34.Kf2=) 32.e4 (32.Qc5 Qd6 33.Qc4 Be6+/-) 32...c3? (better 32...Rd1 33.Kf2 c3=) 33.ef5?? (33.Qc5 Qd6 34.Qd6 cd6+/-) 33...gf5?? (33...Rd1 34.Qf2 Re1 35.Qe1 c2-+) 34.Qc5+/- Kg7?? (better 34...Rd1 35.Qc4 Kf8 36.Qb4 Qd6 37.Qd6 Rd6+-) 35.Re7+- Qe7 (35...Kg6 36.Rd7 Bd7+-) 36.Qe7 Kg8 37.Qe8 Kg7 38.Qc8 c2 39.Qc7 (39.Qc7 Kh6 40.Qc6 Kg7 41.Qc2+-) 1-0. bjoernsen (2475) - mariolino002 (2480), Rated blitz game, lichess.org, 2022.

10.Nc3 Re8 11.Nd2 e5 12.Bf3 e4 13.Be2 d5 (13...Qe7 14.Qa4+=) 14.Qb3+/- Nf8 15.cd5 Bd5 16.Nd5 Qd5 17.Bc4 Qd7 18.a4 Ne6 19.f3 ef3 20.Nf3 Ng4 (20...Rac8 21.Ne5 Qd8 22.Rac1+-) 21.Rae1 (21.Bd5!?+-) 21...Rad8+/- 22.h3 Nh6 23.g4 Qd6 24.Kg2 Qd7 25.Ba3 Bf8 (25...f6 26.Rc1+/-) 26.Qa2 (26.Bf8!? Kf8 27.Ne5 Qc8+-) 26...Bg7+/- 27.Qf2 Bf6 28.Qg3 Ng5 29.Ng5 Bg5 30.Rf3 Be7 (30...Re4 31.Ref1 Qc8 32.Bd3+/- (32.Bf7?! Nf7 33.Rf7 Re3=)) 31.Bb2 Qd6 32.Qd6 Bd6 33.e4 g5 (33...Kg7 34.e5+-) 34.e5 Bf8 (34...Bb4 35.Ref1+-) 35.Ref1 Rd7 (35...Be7+-) 36.e6! fe6 (36...Re6 37.Be6 Re7+-) 37.Be6! Re6 38.Rf8 Kg7 39.d5 (39.d5 Kg6 40.de6 Rd2 41.R1f2 Rb2 42.e7 Rf2 43.Rf2 c6 44.e8Q Kg7 45.Qf8 Kg6 46.Qf6) 1-0. Rodchenkov,V (2300) - Israfilov,Ali (1925), 16th Moscow Open A, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3)

10.Nbd2 Re8

11.Qa4 e5+=.

11.Rc1 e5 12.c5 dc5 13.de5 Ng4 14.Nc4 Qe7 (14...Nde5 15.Be5 Ne5 16.Nfe5 Be5 17.Bf3 Qd1 18.Rfd1 Bf3 19.gf3=+) 15.Qc2 (15.e6 fe6 (15...Qe6? 16.Bg7 Nh2 17.Kh2 Kg7 18.Qb3+-) 16.Bg7 Kg7=) 15...Rad8 16.Nfd2 (16.e6 Qe6 17.Bg7 Kg7=) 16...Nge5=+ 17.Rfd1 Qg5 18.g3 Nc4 19.Bg7?? (better 19.Nc4 Bb2 20.Qb2=+) 19...Nd2 (19...Ne3 20.h4 Qd5 21.Bf3 Qf3 22.Nf3 Nc2 23.Nh2-+) 20.Ba1 (20.Rd2 Kg7 21.Rcd1 Nf8-+) 20...Nf3 (better 20...Qd5 21.f3 Nf3 22.Kf2-+) 21.Bf3 Bf3 22.Qc3 f6 23.Qc4 Kg7 24.h4 (24.Rd2 Qf5 25.Qf1 Bb7-+) 24...Qg4 (better 24...Qf5 25.g4 Bg4 26.Rd2-+) 25.Rd7 (25.Qg4 Bg4 26.Rd2-+) 25...Rd7 26.Qc3 Re6 (26...Re6 27.e4 Be4-+) 0-1. bjoernsen (2465) - firegus16 (2475), Rated blitz game, lichess.org, 2021.

11.Qc2 e5 12.Rac1 ed4= 13.Nd4 Nc5 (13...Ne5 14.Rcd1=) 14.Bf3+= Bf3 15.N2f3 (worse is 15.gf3 Nfd7+=) 15...Nfe4 (15...Qe7 16.Nc6 Qe4 17.Rfd1+=) 16.Nc6 Qd7 17.Bg7 Kg7 18.Rcd1 (18.Nfd4 Nf6+=) 18...Qf5 19.Nfd4 Qh5 20.f3 (20.Qb2 Kg8+=) 20...Nf6 21.e4 Qh6 (21...a4 22.Rfe1+=) 22.Qc3 (22.Rfe1 Qf4+=) 22...Ncd7 23.Rf2 (23.a3 Ne5+=) 23...Qh5 24.Re1 Kf8 (24...Qh4 25.a3+=) 25.Re3 (25.Rfe2 Qg5+/–) 25...Ne5 (25...Kg7 26.f4+/–) 26.Ne5 Qe5 (26...Re5 27.Nc6 Re6 28.f4+=) 27.f4 Qc5 (better is 27...Qh5 28.Nc6 Kg7+/– (28...Re4?? 29.Qf6 Qd1 30.Rf1+–)) 28.Nb3+– Qb4 (28...Qa3 29.Qf6 Kg8 30.f5+–) 29.Qf6 1–0. GuestQGJR – GuestLYCB, freechess.org, 2018.

11.Qc2 e5 12.Rad1 e4 13.Ng5 h6 14.Nh3 Nh7 (14...Rc8 15.f4=) 15.Nf4 Ndf6 (15...Ng5 16.a3+=) 16.c5 d5 17.c6 (17.a3!?+=) 17...Bc8= 18.Ba3 g5 19.Nh5 (19.Nh3 Bf8 20.Bf8 Nf8=) 19...Nh5+= 20.Bh5 g4 21.f3 (21.h3!? gh3 22.g3-/+) 21...gf3–+ 22.Nf3 ef3 23.Bf7 Kf7 24.Qh7 Bg4 (24...Re3?! 25.Bc1 Rc3 26.Bh6+=) 25.h3 Bh5?? (25...Re3 26.Bc1 Re2–+) 26.Qf5+– Kg8 27.Qh5 fg2 28.Rf3 (28.Kg2 Qg5 29.Qg5 hg5+–) 28...Qg5 29.Qg5 hg5 30.Kg2 Re4 (30...Kh7 31.Rg1 Kg6 32.h4+–) 31.Rdf1 (31.Kf2 Bh6+–) 31...Rae8 (31...g4 32.Rg3+–) 32.Bc1 g4 33.Rg3 gh3 34.Kh3 Rf8 35.Rfg1 Rf7 36.Rg5 Kh7 (better is 36...Re6+–) 37.Rd5 Bh6 38.Rd7 Ree7 39.Re7 Re7 40.Rg3 Re4 (40...a4 41.Kg2+–) 41.d5 (41.Kg2 a4+–) 41...Bf8 (41...Re5 42.d6! cd6 43.Ba3 Be3 44.Bd6+–) 42.Rg4 Rg4 (42...Re8+–) 43.Kg4 Kg6 44.e4 Bd6 (44...Be7 45.e5 Kg7 46.d6+–) 45.Bf4 1–0. GuestZTQF – GuestJNYQ, freechess.org, 2018.

11.Qc2 e5 12.d5 a4+=.

11.Qc2 e5 12.d5 Nc5+=.

11.Ng5 e5= 12.Qc2 (12.Bf3 d5=) 12...h6 (12...Qe7 13.Rfe1=) 13.de5 Ne5 (13...de5 14.Ngf3=) 14.Nh3 (14.Ngf3 Nf3 15.Bf3 Bf3 16.Nf3 Qe7=) 14...Ned7 (14...a4 15.Rad1=) 15.Bf3 Bf3 16.Nf3 Nc5 (16...Qe7 17.Nf4=) 17.Nf4+= Nfe4 (17...Rc8 18.Nd5+=) 18.Bg7 Kg7 19.Nd4 Qg5 (19...Qh4 20.Rad1+=) 20.Nd5 Rac8 21.Nc6 h5 (21...f5!?+=) 22.Qb2 Kh7 (22...Kh6!?+/–) 23.f3+– Nd3 24.Qe2 (24.Qe2 Nec5 25.f4+–) 1–0. DEFFM – GuestMXFB, freechess.org, 2018.

6.b5 c5

7.a4 b6 8.Be2 Bb7 9.0-0 d6 10.d4 Ne4 (10...cd4 11.ed4 Nbd7 12.Re1=) 11.Qc2 Qc8 12.Bd3 Nf6 13.Nbd2 Bf3 (13...Qg4 14.Be2+=) 14.Nf3+/– (14.gf3?! cd4 15.Bd4 Nbd7=) 14...Nbd7 15.d5 Nh5 16.Bg7 Ng7 17.Nd2 Ne5 18.Be2 f5 19.g3 (19.Nf3 Qc7+/–) 19...Ra7 20.Rae1 e6 21.de6 Qe6 22.f4 Nf7 23.Bf3 Qf6 24.Nb1 Qd8 (24...Ne6 25.Nc3+/–) 25.Nc3 Ne8 26.e4 fe4 27.Be4 Nf6 28.Bg6 (28.Qd3 Kg7+/–) 28...hg6+= 29.Qg6 Kh8 30.Re6 Ng8 (better is 30...Nh7!?+=) 31.Rfe1 Nfh6 (31...Ngh6 32.Nd5 Rg8 33.Qh5+–) 32.Nd5 (32.Re8 Qf6 33.Qf6 Rf6+– (33...Nf6?? 34.Rf8 Kg7 35.Rb8+–)) 32...Rg7+/– 33.Qh5 Kh7?? (better is 33...Rgf7+/–) 34.Re8 (34.Rh6 Nh6 35.Re6 Rf6 36.Nf6 Qf6 37.Rf6 Rg3 38.hg3 Kh8 39.Qh6 Kg8 40.Rf8) 34...Re8 35.Re8 (35.Qe8?! Qh4+/–) 35...Qd7 36.Rg8! (36.Nb6?! Qf5 37.Qf5 Nf5+–) 36...Qe6 (36...Rg8 37.Nf6 Double attack; 36...Kg8 37.Nf6 Double attack (37.Qh6 Deflection; 37.Qh6 Remove defender; 37.Qh6 Overloading)) 37.Re8 Qf5 38.Qf5 (38.Qf5 Nf5 39.Rb8+–) 1–0. Gonzalez,Renier – Chinchilla,Alejandro Jose, IRT Open, 2019. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 a5 6.b5 c5)

7.Nc3 b6 8.Na4 Bb7 9.Be2 d5 10.cd5 Bd5 11.0-0 Nbd7 12.d3 Re8 13.e4 Bb7 14.h3 h6 15.Qb3 e6 16.Rac1 Rc8 17.Rfd1 Nh5 18.Bg7 Kg7 19.g3 Qf6 (19...Nhf6 20.Nd2=) 20.Kg2 Red8 21.Nd2 Qg5 22.Bh5 Qh5 23.Nc4 Ne5 (better 23...Rb8!? 24.Nab6 Nb6 25.Nb6 Rd4+/-) 24.Qc3 f6 25.Ne5 fe5 26.Nb6 Rf8 (26...Rc7 27.Nc4+-) 27.Rd2 (better 27.g4 Qh4 28.Qe5 Kh7+-) 27...Rcd8 28.Nc4 (28.Qa5 Qf3 29.Kh2 Rd3-+) 28...Rd4 29.Ne3 (29.Na5 Qf3 30.Kg1 Be4 31.de4 Qc3 32.Rc3 Rd2-/+) 29...Qf3 30.Kg1 c4 (better 30...a4+-) 31.Nc4 Rc8 32.Qb2 (32.Qa5?! Rd3 33.Rd3 Qd3+/-) 32...Kf6 (32...Rd3 33.Qe5 Kh7 34.Rd3 Qd3 35.Qe6 Qe4 36.Qe4 Be4 37.b6+/-) 33.Ne3 (33.Na5 Rd7+-) 33...Rc1? (33...Rb4 34.Qa3 Rc1 35.Qc1 Rb5+-) 34.Qc1 h5 35.Qc7 (better 35.Qc5 Kg7 36.Nf5 ef5 37.Qe5 Kf7 38.Qd4+-) 35...Be4!-+ 36.de4 (36.de4 Rd2 Pinning (36...Rd2 Deflection)) 36...Rd2 37.Qd8 (37.Nd5 ed5 38.Qd6 Kf7 39.Qc7 Kg8 40.Qb8 Kh7 41.Qa7 Kh6 42.Qe3 Qe3 43.fe3 de4 44.a3-+) 37…Rd8 (37...Rd8 38.Nf1 Rd1 39.h4 Qe2 40.Kh2 Qf2 41.Kh3 Qf1 42.Kh2 Rd2) 0-1. bjoernsen (2430) - kite1993 (2550), Rated blitz game, lichess.org, 2023.

7.Nc3 b6 8.Be2 e6 9.d4 d5 10.dc5 bc5 11.Na4 Nbd7 12.Rc1 Qc7 13.cd5 ed5 14.Bf6 Bf6 15.Qd5 Bb7 16.Qb3 Nb6 (16...Rfc8 17.b6 Qd6 18.0-0+/–) 17.Nb6 (17.Nc5!? Rfc8 18.0-0+/–) 17...Qb6+/– 18.0-0 Rfd8 19.Rfd1 Kg7 20.a4 Rd1 21.Rd1 Re8 22.Nd2 Rd8 23.Nc4 Rd1 24.Qd1 Qd8 25.Qd8 Bd8 26.Bf3 Bc8 27.b6 Be6 28.b7 Bc7 29.Na5! Bd7 30.Bc6 Be6 31.Bb5 Bd5 32.Bc4 Bc4 33.Nc4 Kf6 34.a5 Ke6 35.a6 Bb8 36.Nb6 Kd6 37.Nc8 Kc7 38.Kf1 f5 39.Ke2 Kc6 40.Kd3 1–0. Fournier,Frederic (2370) – Cozzolino (2290), echecsemail.com (team), 2010.

7.Nc3 e6=.

7.d3 b6 8.Be2 Bb7 9.0-0 d6 10.Nc3 Nbd7 11.Rb1 e5 (11...Qc7 12.h3=) 12.Nd2+= Ra7 13.Bf3 Bc8 (13...Bf3 14.Qf3 a4 15.h3+=) 14.Bc6+– h5 (14...Nb8 15.Nde4+–) 15.Nde4 (15.Qf3 Nb8 16.h3 Be6+–) 15...Ne8 (15...Ne4 16.de4 Nf6 17.Qd3+–) 16.Nd5 (16.g3 Ndf6+–) 16...f5 (16...Ndf6!?+–) 17.Nec3 Ndf6 18.f4 (18.Qc2 Nd5 19.Nd5 Nf6+–) 18...Nd5+– 19.Nd5 (19.cd5?! ef4 20.Rf4 Re7+=) 19...Be6 20.Qf3 Kh7 21.Qg3 (21.Rfe1 Bd5 22.Bd5 Re7+=) 21...Bd5+= 22.Bd5 (22.cd5 Qe7+=) 22...ef4 23.Qf4 Bb2 24.Rb2 g5 (24...Nf6 25.Bf3=) 25.Qf3+– Ng7 (25...g4 26.Qf4+–) 26.Rbf2 h4 (better 26...Qf6!?+–) 27.g4+– hg3 (27...Kh6+–) 28.hg3 g4 (28...Rf6 29.e4 Rh6 30.ef5+–) 29.Qh1 Kg6 30.e4 Qg5 31.ef5 Nf5 (31...Rf5 32.Qe4 Qf6 33.Kg2+–) 32.Qe4 Re7 33.Rf5 Re4 (33...Rf5 34.Rf5 Combination; 33...Qf5 34.Rf4 Double attack (34.Qe7 Deflection; 34.Rf4 Decoy; 34.Qe7 Remove defender; 34.Qe7 Overloading)) 34.Rg5 Kg5 35.Be4 (35.Be4 Rf1 36.Kf1+–) 1–0. Kaenel,Hansjuerg – Vulevic, Switzerland, 1991. (=1.Nf3 Nf6 2.e3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.c4 c5)

7.d3 b6 8.Be2 Bb7 9.0-0 d6 10.Nbd2 Nbd7 11.Ne1 (11.h3 Qc7=) 11...Ne8 12.Qc2 Bb2 13.Qb2 e6 14.Bf3 Bf3 (14...d5 15.d4=) 15.Nef3 Qf6 16.Qc2 Ng7 17.Rad1 Nf5 18.Ne4 Qe7 19.Qb2 Rac8 20.Rd2 d5 21.cd5 ed5 22.Nc3 Qe6 (22...Nf6 23.e4 Nd4 24.Nd4 (24.Nd5? Nf3 25.gf3 Nd5 26.ed5 Qg5 27.Kh1 Qd5–+) 24...cd4 25.Na4 de4 26.de4 Qe4 27.Qd4=) 23.d4 (23.e4!? Ne7 24.d4 de4 25.Ng5+=) 23...Nd6+= 24.Rc2 c4 25.Re1 Ne4 (25...Rfe8 26.h3+=) 26.Rce2 (26.Ne4!? Qe4 27.Nd2=) 26...Rfd8 27.Nd2 Nc3 28.Qc3 Nf6 29.f3 Qd7 30.Rb1 Nh5 31.a4 Qd6 32.Rbe1 Qb4 33.Nb1 Nf6 (33...Rd7 34.Rb2 Qe7 35.Qc1+=) 34.Rb2+= Qd6 (worse is 34...Qa4 35.Na3 Ne8 36.Ra1+/–) 35.Qd2 Rc7 36.Nc3 Re7 37.Qc1 Rde8 38.Rbe2 Nh5 39.Qd2 f5 40.Rd1 Nf6 41.Qe1 Re6 42.Qd2 Rd8 43.Qc2 Rde8 44.Rde1 (44.Qd2!?=) 44...R8e7 45.g3 Re8 46.Kf2 R8e7 47.Rg1 (47.Kg1!?=) 47...Qd8 48.h3 Qd6 49.Rg2 Kf7 50.Qc1 Kg7 51.g4 fg4 52.hg4 Rf7 53.Kg1 Rfe7 54.Qd2 (54.Kf2 Re8+=) 54...h6 (54...Rd7!?+=) 55.g5= hg5 56.Rg5 Nh7 57.Rgg2 Rf7 58.Ref2 Ref6 59.Qd1 Rf5 60.f4 Nf6 61.Qf3 (61.Rf3 Nh5=) 61...Qe6 (61...Qa3 62.Rc2+=) 62.Rh2 (62.Qg3 Nh5 63.Qg4 Re7+= (63...Qe3? 64.Qg6 Kf8 65.Qd6 Re7 66.Nd5 Rd5 67.Qd5+–)) 62...Ne4 (62...Re7!? 63.Rh3 g5+=) 63.Qh3= Kf8 64.Qh8 Ke7 65.Ne4 Qe4 (worse is 65...de4 66.Rfg2+/–) 66.Rh3 (66.Qb8 Qe3 67.Qc7 Ke8 68.Qc8 Ke7 69.Qc7 Kf6 70.Qb6 Kg7=) 66...Qe6 (66...Rf8 67.Qh4 g5 68.Qh7 R8f7 69.Qg6+=) 67.Rg2= g5 68.Qb8 (68.Rg5?? Rg5 69.Kf2 Qg6–+) 68...gf4?? (better is 68...Rf8!? 69.Qc7 Ke8 70.Qb8 Ke7 71.Qb7 Kd8 72.Qb8 Ke7=) 69.ef4 (69.Rh8 Qd7 70.Rgg8 R7f6 71.ef4 c3 72.Re8 Kf7 73.Rh7 Kg6 74.Rd7 Rg5 75.fg5 c2 76.Rg7 Kg7 77.gf6 Kf6 78.Qe5 Kf7 79.Qe6 Kg7 80.Rg8 Kh7 81.Qg6) 69...Rf4+/– 70.Qc7 Qd7 71.Re3 Re4 72.Re4 de4 73.Qb6 Qe6 (better is 73...Qd5!?+=) 74.Qc7+– (74.Qa5?! Qd6 75.Qa7 Ke6+=) 74...Qd7 75.Qc4 e3?? (75...Qe6 76.Qc7 Qd7 77.Qe5 Qe6+–) 76.Rg3 (76.Rg6 Rf1 77.Kh2 Rf2 78.Kg3 Rf3 79.Kf3 Qf5 80.Ke3 Qg6 81.Qc7 Kf8 82.b6 Qe6 83.Kf4 Qf6 84.Ke4 Qe6 85.Qe5 Qc6 86.Kf5 Qd7 87.Kg6 Qg4 88.Qg5+–) 76...Kf8 (76...Qd6 77.Re3 Kf8+–) 77.Qc5 (77.Re3?? Qg4 78.Rg3 Qg3 79.Kh1 Rh7) 77...Re7 78.Qg5 (better is 78.Qh5 Rh7 79.Qg6+–) 78...Qe6 79.Qh5 Rf7 80.Rg6?? (better is 80.Qh4 Rf6 81.Qh1+–) 80...Qc4?? (better is 80...Qe4 81.d5 Qb1 82.Kh2 Rf2 83.Rg2 Rg2 84.Kg2 Qc2 85.Kh3 e2 86.Qf3 Kg7 87.Qg3 Kf6=) 81.Qh8 Ke7 82.Qe5 Kf8 83.Qb8 (83.Qe3?? Qf1 84.Kh2 Rf2 85.Qf2 Qf2 86.Kh3 Qc2–+) 83...Ke7 84.Qd6 (84.Qd6 Ke8 85.Rg8 Rf8 86.Rf8) 1–0. Kasparov,Sergey (2520) – Basencyan,Mark (2165), Krasnoselskaya Osen GM, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c5)

7.d3 b6 8.Be2 d5 9.Nbd2 (9.0-0 Bb7=) 9...e6 (9...a4 10.0-0=) 10.0-0+= Nbd7 11.Rc1 Bb7 12.Rc2 (12.Qc2 Re8+=) 12...Ne8 (12...a4 13.a3=) 13.d4 (13.Bg7 Ng7 14.a3 e5+=) 13...Nd6 (13...Nef6 14.a3=) 14.dc5+= Nc5 15.Bg7 Kg7 16.Qa1 Qf6 17.Ne5 (17.Qd4 Rfd8=) 17...Rac8 18.Rfc1 dc4 (18...Rfd8 19.cd5 Bd5 20.f3=) 19.Ndc4+= Nc4 20.Rc4 Ne4 (20...Kg8 21.Rf4 Qg5 22.Bf3 Bf3 23.Nf3+= (worse 23.Rf3 Nb3 24.ab3 Qe5-/+)) 21.Nd7= Qa1 22.Ra1 Rc4 (22...Nc3!? 23.Bd3 Rc4 24.Bc4 Rd8 25.Nb6 Rd6=) 23.Bc4+– (23.Nf8? Rc7 24.Ne6 fe6–+) 23...Rd8 24.Nb6 Rd2 25.f3 Nd6 26.Bf1 (better 26.e4+–) 26...Nf5? (better 26...e5+–) 27.Nc4+– Rc2 (27...Rd7 28.a4+–) 28.e4 Nh4 29.Na5 Ba8 30.b6 Rb2 31.Nc4 Rc2 32.a4 f5 33.Nd6 1–0. Kaenel,Hansjuerg – Gonzalez,E, Dubai, 1986.

7.d3 d5 8.cd5 Qd5 9.Be2 Nbd7 10.0-0 b6 11.Nbd2 Qd6 12.Nc4+/– Qc7 13.Nfe5 Nd5 14.Nd7 Bd7 15.Bg7 Kg7 16.Bf3 Be6 17.Rc1 Rac8 18.Qe2 Nf6 19.Rfd1 Rfd8 20.a4 Kg8 21.Bc6 Nd5 22.f4 Nb4 23.Be4 Bc4 24.Rc4+= Qd7 25.g4 Qe6 26.f5 Qe5 27.Qf3 Qb2 28.Rf1 Rf8 29.f6 ef6 30.Qf6 Qe2 31.Qf3 Qb2 32.Qf2+= Qe5 33.Qf4 Qe6 34.Rc3 Rcd8 35.Ra3 Rd6 36.Rc3 Rfd8+= 37.Rd1 Nd5 38.Bd5 Rd5 39.h3 h5 40.e4 Rd4 41.gh5 Re4! 42.Qe4 Qe4 43.de4 Rd1 44.Kf2 gh5 0–1. Grott,Peter – Urlau,Thomas, 2006.

7.d4 cd4 8.ed4 d5 9.c5 Ne4 10.Nc3 Nd7 11.Qc2 Nc3 12.Bc3 e5 13.c6 bc6 14.bc6 (worse is 14.Ne5 cb5 15.Bb5 Ne5 16.de5 d4–+) 14...ed4 15.cd7 Bd7 16.Bd4 (16.Nd4!? Re8 17.Be2=) 16...Re8+= 17.Be2 Bb5 18.Be3 Rc8 (worse is 18...Ba1 19.Bb5 Rc8 20.Qb1 Bc3 21.Ke2=) 19.Qd1 (19.Qb3 Bc4 20.Bc4 dc4+=) 19...Bc3 (better is 19...Be2!? 20.Ke2 d4-/+ (20...Ba1?! 21.Qa1 Rc2 22.Kd1=)) 20.Kf1= Be2 21.Ke2 d4 22.Rc1 de3 23.Qd8 Red8 (23...Rcd8? 24.Rc3 ef2 25.Kf2+–) 24.fe3 Kf8 ½–½. Grundherr,Martin (2240) – Pilz,Dieter (2275), Landesliga Sued, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 c5 5.Bb2 Bg7 6.e3 0-0)

7.d4 cd4 8.ed4 d5 9.Bd3 dc4-/+ 10.Bc4 Nbd7 11.0-0 Nb6 12.Bd3 Be6 13.Nbd2 Nfd5 (13...Rc8 14.a4-/+) 14.Re1 (14.Ng5 Nf4 15.Be4 Bd4 16.Bd4 Qd4 17.Bb7 Rab8 18.Ne6 fe6=) 14...Nf4-/+ 15.Bf1 Rc8 16.Ne4 Bc4 17.Qd2 Bf1 18.Kf1 (18.Rf1 Nbd5 19.Ne5 f6=+) 18...Nfd5 19.Qa5 Qd7 20.Nc5 (20.Rab1 Ra8 21.Qd2 Ra2-/+) 20...Rc5!–+ 21.dc5 Nc4 22.c6? (22.Qa7 Nf4 23.h3 Bb2 24.c6 Nd2 25.Nd2 Qd3 26.Kg1–+) 22...bc6 (22...Na5 23.cd7 Bb2 24.Rad1+–) 23.Qa6 Nb2 (23...Bb2?! 24.bc6 Qg4 25.h3–+) 24.bc6 Qg4 (24...Qf5 25.Nh4 Qg4 26.g3–+) 25.Qb5 (25.h3 Qf5 26.Qe2 Bc3–+) 25...Nf4 26.Qg5 Qg5 27.Ng5 Nbd3 28.g3 (28.Rad1 Ne1 29.Ke1 h6–+) 28...Ne1 (worse 28...Ba1 29.Ra1 f6 30.Nh7 Kh7 31.gf4–+) 29.Re1 Nd5 30.Re4 h6 31.Nf3 Rc8 32.Rc4 e6 33.Ke2 Kf8 34.Nd2 (34.g4 g5–+) 34...Ke7 35.Kf3 (35.a4 Kd6–+) 35...f5 36.Nb3 (36.c7 Kd6–+) 36...Kd6 37.Na5 Kc7 38.a4 (38.Nb3 Kb6–+) 38...Kb6 39.Nb3 (39.Nb7 Rc6 40.Rc6 Kc6 41.Nd8 Kd7–+) 39...Rc6 40.a5 (40.Rc6 Kc6 41.g4 e5–+) 40...Kb5 41.Rc6 Kc6 42.Ke2 e5 43.f3 (43.a6 Kb6–+) 43...Kb5 44.Kd3 (44.g4 Bf6–+) 44...Kb4 45.a6 (45.Nd2 Ka5 46.Kc4 Nb6 47.Kc5 Bf8 48.Kc6–+) 45...Kb3 46.a7 (46.Ke2 Nc7–+) 46…Nc7 0–1. GuestFPYQ – GuestSWTH, freechess.org, 2020.

7.d4 Ne4 8.Bd3 Nd6 (8...d5 9.Qc2 Bf5 10.0-0+=) 9.Qc2 (9.0-0 cd4 10.ed4 Nf5+–) 9...b6 (9...cd4 10.c5 Ne8 11.Bd4+–) 10.dc5+– Bb2 11.Qb2 bc5 12.0-0 (12.Qe5 Nb7+–) 12...Bb7 13.Nbd2 Qb6 (13...f6 14.e4+=) 14.e4 (14.Rab1 Re8+–) 14...Nc6 (14...a4 15.e5 Nc8 16.Be4+–) 15.Rad1 (15.Rfb1 Nb4 16.Be2 Ne4+–) 15...a4 (15...f6 16.Rb1 Nd8 17.e5 fe5 18.Ne5+–) 16.e5 Nb4 17.Bb1 (17.Qb1 Nd3 18.Qd3 Nf5+=) 17...a3 (better 17...Bf3!? 18.ed6 Bd1 19.de7 Rfc8+–) 18.Qb3+– Nc8 19.Ne4 d6 20.Rd2 (better 20.Rfe1+–) 20...de5? (better 20...Ra5 21.Qe3 Be4 22.Be4 Qc7+–) 21.Ne5+– Nd6 (21...Qc7 22.Nd7 Be4 23.Be4+–) 22.Nc5 (22.Nc5 Qc5 23.Re1–+) 1–0. Sinnwell,Horst – Haase,Peter, Ruhrgebiet VL2, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c5)

7.Be2 d6 8.0-0 b6 9.Qc2 Bb7 10.Nc3 Nbd7 11.Rad1 Qc7 12.d3 h6 (12...Ne5 13.Ne5 de5 14.Ne4=) 13.e4 (13.Rd2 Ne5=) 13...e6= 14.Rde1 (14.Nh4 d5=+) 14...Nh5 (14...d5 15.Bc1=) 15.Bc1 e5 (15...Nhf6 16.h3=) 16.Nh4 (16.Nd5 Qd8+=) 16...Nf4= 17.g3 (17.Nd5 Qd8 18.Nf3 Ne2 19.Re2 Nf6=) 17...Ne6 (17...Ne2 18.Re2 Nf6 19.Ng2=) 18.Be3 (18.Nf3 Nf6=) 18...Qd8 (18...Nf6 19.Qd2 h5 20.Nf3=) 19.Bg4 (19.Qd2 h5+=) 19...Nd4= 20.Qd2 Nf6 21.Bd1 Kh7 22.Ng2 (22.Be2 Qd7=) 22...Bc8 23.f4 Bg4 (23...Bh3 24.Rf2=) 24.fe5 (24.Bg4 Ng4 25.f5 g5+=) 24...de5 25.Nd5 (25.Bg4 Ng4 26.Nd5 Ra7+=) 25...Nd5= 26.cd5 Bd1 (26...Bh3 27.Rf2=+) 27.Qd1 (27.Rd1 Nb5 28.Nh4 Nd6=) 27...Nb5 28.Qb3 Nd6 29.Rb1 Rb8 30.Rf2 (30.Nh4 f5=) 30...Qd7 31.Rfb2 (31.Nh4 Rfc8=+) 31...f5-/+ 32.Qc2 Qa7 33.Bf2 (33.a4 g5=+) 33...fe4 (33...f4 34.a4-/+) 34.de4=+ Rb7 35.Be3 Qa6 36.Bd2? (36.Nh4 b5-/+) 36...Rff7 (36...Rbf7!? 37.Ne3 Qe2 38.Qd1 Qf2 39.Kh1 Ne4 40.Bc1–+) 37.Ne3 (37.Re1 b5–+) 37...Qe2 38.Rb6?? (better 38.Bc1 Qe1 39.Kg2–+) 38...Qf2–+ 39.Kh1 Qf3 40.Kg1 Qf2 (worse 40...Ne4 41.Rc6 (41.Rb7?? Nf2 42.Kf1 Ng4 43.Ke1 Qh1 44.Ke2 Qh2 45.Kd3 e4 46.Kc4 Ne3 47.Kc5 Rb7 48.Qe4 Rb1 49.Qb1 Qd2–+) 41...Rb1 42.Qb1–+) 41.Kh1 ½–½. Kreuzer – Brecht, 1987. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 c5)

7.Be2 d6 8.0-0 Nbd7 9.Nc3 Nb6 10.Rc1 (10.d4 Bf5=) 10...a4 11.d3 e5 12.Ba3 (12.Ne4 Ne4 13.de4 f5=) 12...Qe7 13.Re1 Ne8 (13...Bf5 14.e4 Bg4 15.Bb2=) 14.d4 (14.Ne4 f5 15.Ng3 f4 16.ef4 Rf4=) 14...e4= 15.Nd2 f5 16.dc5 dc5 17.Nd5 Qd6 18.f3 ef3 (18...Nd5 19.cd5 b6 20.Nc4+=) 19.Nf3 Nd5 (19...Nc7 20.Rf1=) 20.cd5 (20.Qd5!? Qd5 21.cd5=) 20...b6=+ 21.Bc4 Kh8 22.Ng5 Be5 23.h3 Qe7 24.Ne6 Rf7 25.e4 f4 26.Qd2 Nd6 27.Bb2= Qf6 28.Be5+= Qe5 29.Nd8 Bd7?? 30.Nf7+– Nf7 31.Rf1 g5 32.h4 h6 33.d6 Nd6 34.Rfd1 Nc4+= 35.Qd7 Ne3? 36.Qc6+– (36...Re8 37.Qh6 Kg8 38.Rd7+–) 1–0. Teichmann,Erik (2290) – Nemet,Ivan (2450), Bern op, 1991.

7.Be2 d6 8.0-0 e5 9.d3 b6 (9...Bf5 10.Nc3+=) 10.Nfd2 Ra7 11.Nc3 h5 (11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.f4+=) 12.Nde4+– Ng4 (12...Be6 13.Ng5+–) 13.h3 Nh6 14.Nd5 f5 (14...Bb7 15.f4+–) 15.Nd2 (15.Nec3 Bb7+–) 15...Be6 16.Qc2 g5 (16...Nd7!?+=) 17.Bh5+– g4 18.hg4 fg4 (18...Ng4 19.Bg4 fg4+–) 19.Bg6 (19.Ne4!?+–) 19...Bd5+= 20.cd5 Qg5 (20...g3 21.Nc4 Qg5 22.Be4+–) 21.Be4 g3 22.Nf3 Qh5 23.fg3 Ng4 24.Rae1 Bh6 (24...Raf7 25.a3+–) 25.Bc1 Raf7 (25...Nf6 26.Nh4 Ne4 27.de4+–) 26.d4 Rf6 27.de5 de5 28.d6 (28.Qe2 Nd7 29.Nh4 Rf2 30.Rf2 Rf2+–) 28...Bg5 (28...Rd6 29.Nh4 Rf1 30.Kf1+–) 29.Qe2 (better 29.Qd3+–) 29...Kg7-/+ 30.a4 Rh8 31.Nh4 Bh4 32.gh4 Qh4 33.g3 Qg3 34.Qg2 Qg2 35.Kg2 Rd6 36.Rf5 (36.Rd1!? Rhd8 37.Rd6 Rd6 38.Rf5-/+) 36...Rg6 37.Kf3 Nd7 38.Bc6 (38.Bd5!? Ngf6 39.Be6–+) 38...Ndf6–+ 39.Ke2 (39.e4 Rh3 40.Ke2 Rh2 41.Kd3 Ra2–+) 39...Rh2 40.Kd3 Ra2 41.Kc3 Ra4 42.e4 Rd4 (42...Rb4 43.Kc2–+) 43.Kc2 Rc4 44.Kb3 Rb4 45.Kc2 Kf7 (45...Nh2 46.Re2 Nfg4 47.Bd2-/+) 46.Bd2 Rc4 47.Bc3 Ke6 48.Kb3?? (better 48.Rf3–+) 48...Ne4 49.Kc4 Nd6 50.Kb3 Nf5 51.Ka4 0–1. Andreasson,Ingvar (2360) – Rothen,Hakan, SWE–chT, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 c5)

7.Be2 d6 8.d4 cd4 9.ed4 e6 10.0-0 b6 11.Nc3 Bb7 12.Rc1 Nbd7 13.Ba3 Qc7 14.Qd2 Rfe8 15.Rfd1 Rac8 16.h3 Qb8 17.Na4 e5 18.de5 de5 19.Bd6 Qa7 20.Qe3 e5 draws heavy fire 20...Ba8 (20...Ne4 21.Ba3 Ndc5 22.Nc5 Nc5 23.Bc5 bc5 24.Rd7+=) 21.Nd2 (21.Ne5 Nh5+=) 21...Re6= 22.Ba3 h5 23.Nf3 Bf3 24.Bf3 (worse 24.gf3 Kh7 25.Rc2 Bh6=+) 24...e4 25.Be2 Kh7 26.Bd6 Bh6 27.Bf4 Bf8 (27...Bf4 28.Qf4 Qc7 29.Qe3+=) 28.Qg3 Rce8 29.Be3 (29.Nc3 Nc5+–) 29...Re5 (29...Qb8 30.Qg5+–) 30.Rc2 Rf5 31.Rcd2 Re6 (31...Bb4 32.Rb2+=) 32.Rd4+– Qb7 33.Qh4 Nc5 34.Nc3 Bh6 35.Qg3 Bg7 36.Nd5 (better 36.Rd8!?+–) 36...Nd5= 37.Rd5 Be5 38.Qh4 Bf6 39.Qg3 Be5 40.Qh4 Bf6 41.Qg3 Be5 ½–½. Mikhalchishin,Adrian (2550) – Poldauf,Dirk (2450), Dortmund Master, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c5 7.Be2 d6)

7.Be2 b6

8.0-0 d5 9.d4=.

8.d4 cd4 (8...d6 9.0-0+=) 9.ed4 (9.Nd4 Bb7 10.0-0 Qc7+=) 9...d5 10.c5 bc5 (10...Qc7 11.c6+=) 11.dc5 Nbd7 12.c6 Nc5 (12...Nb6 13.0-0+–) 13.0-0 Bg4 (13...Ne6 14.Be5 Ne4 15.Bg7 Kg7 16.a4+–) 14.Nbd2 Nfe4 (14...Bf5 15.Nd4+–) 15.Bg7+– Kg7 16.Ne4 de4 17.Nd2 Be2 18.Qe2 Qd3 (18...f5!?+–) 19.Qd3 ed3 20.Rfc1 Na4 21.Rab1 Nb6 22.Nc4 (22.Nc4 Nd5 23.b6+–) 1–0. Dopper,Johan (2175) – Brink,JA (2245), KE03 NBC Email, 2000.

8.0-0 Bb7

9.a4 Qc7 10.Nc3 d5 (10...Ng4!? 11.Re1 Ra7=) 11.Nd5+= Nd5 12.Bg7 Kg7 13.cd5 Bd5 14.d4 cd4?? (better is 14...Rc8+/–) 15.Qd4+– (15.Qd4 Kg8 16.Qd5+–) 1–0. usingprogram (2015) – iraklion, kurnik, 2012.

9.a4 d5= 10.d4 dc4 (10...Nbd7 11.Nbd2=) 11.Bc4 (11.dc5 bc5 12.Bc4 Qb6+=) 11...cd4 (11...Ne4 12.Nc3+=) 12.ed4 (12.Bd4!? Qd6 13.Ra3+=) 12...e6 (12...Bd5 13.Qe2=) 13.Nbd2 (13.Qe2 Nd5=) 13...Nd5 (13...Nbd7 14.Ba3 Re8 15.Rc1=) 14.Qb3 (14.Ba3 Re8=) 14...Nd7 15.Rfe1 N7f6 (15...Rc8 16.Ba3 Re8 17.Rac1=+) 16.Ba3 Re8 17.Ne5 (17.Rac1 Rc8=) 17...Rc8 18.Rac1 Nd7 (18...Nf4 19.Ndf3 N6d5=) 19.Ne4 (better is 19.Qg3!?=) 19...Ne5=+ 20.de5 Qh4?? (20...Be5 21.Bb2 Bf4 22.Bd5 A) < 22...Bd5 23.Rc8 Bb3 24.Nf6 Kf8 25.Nh7 Ke7 26.Bf6 Kd7 A1) 27.Bd8 Kc8 28.Bb6 Rh8+= (28...Ba4? 29.Re4+–); A2) 27.Rd8 Rd8 28.Bd8 Kd8 29.Re4+/–; B) 22...Rc1 23.Bc1 Bd5=) 21.Nd6+– Be5?? 22.Re5 Qf4 23.Re4 Qg5 24.Ne8 Nf4 25.g3 Be4 26.Nd6 Nh3?? 27.Kf1 Rc4 28.Qc4 Bd5 29.Qc2 Nf4 30.Ne4 Be4 31.Qe4 Nd5 32.Rc8 Kg7 33.Bb2 Kh6 34.Bc1 Qc1 35.Rc1 f5 36.Qe6 (36...Nf4 37.gf4+–) 1–0. toll (1955) – TalA (1925), ICC, 2003.

9.d4 cd4 10.ed4 Qc7+=.

9.d4 cd4 10.Nd4 d5 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3 Nd7 14.Bf3 Rc8 15.Rc1 Bf3 16.Qf3 (16.Nf3? Rc3 17.Rc3 Bc3–+; 16.gf3?! Bd4 17.Qd4 e5=) 16...Ne5 17.Qe4 Qd6 18.h3 Rc4 19.Ba1 Qc5 20.Rc4 Qc4 21.Qb7 Qc5 22.Nc6 Qb5 23.Ne7 Kh8 24.Nd5 h5 25.Nb6 Kg8 26.Qc7 Re8 27.Nc8 Re6 28.Nd6 Qd7 29.Qd7 Nd7 30.Bg7 Kg7 31.Rd1 Nb6 32.Rd4 Re5 33.Rf4 f5 34.Rd4 Rc5 35.Rd2 Rc1 36.Kh2 a4 37.Nb5 Nc4 38.Rd7 Kh6 39.Rc7 Rc2 40.Nd4 Rc1 41.h4 a3 42.Ne6 (42.Ne6 Ne3 43.Rc1+–) 1–0. Todorov,Ognjan (2370) – McDonald,Neil R (2410), Douai op, 1993.

9.d4 d6 10.Nbd2 Qc7 (10...cd4 11.Nd4 Nbd7 12.Bf3 Bf3 13.N2f3= (worse is 13.gf3 Qc7+=)) 11.d5 e5 (11...e6 12.e4+=) 12.de6 (12.Qc2!?+=) 12...fe6= 13.Ng5 (13.Qc2 Nbd7=) 13...Qd7 14.Bf3 d5 15.Qc2 h6 (15...Qe7 16.Rac1=) 16.Nh3 g5 17.Be2 Qe7 (17...Qf7 18.f4 gf4 19.Nf4+=) 18.f4+= g4 19.Nf2 h5 20.h3 (20.Rad1 a4+=) 20...g3 (20...gh3!? 21.gh3 Nbd7=) 21.Nh1+= h4 22.Qg6 Nbd7 (22...Rf7!?+=) 23.Nf3 Ne4 (23...Ne8 24.Bd3 Ndf6 25.Nh4+/–) 24.Nh4 d4 (24...Rf7 25.Bh5 dc4 26.Ng3 c3 27.Ne4 cb2+–) 25.Ng3 Qh4 (better is 25...Rf6 26.Qg4 Ng3 27.Qg3 e5+–) 26.Ne4 (worse is 26.Qe6 Kh8 27.Ne4 Rae8 28.Qd7 Be4+–) 26...Nf6 (26...Be4 27.Qe4 de3 28.Qe6 Rf7 29.Bg7 Kg7 30.Qe3 Re7+–) 27.Nd6 Ra7 (27...Bg2 28.Kg2 Rad8 29.Ne4 Ne4 30.Qe4+– (30.Qe6?! Rf7 31.Qe4 d3+–)) 28.ed4 Qh7 29.Qh7 Nh7 30.Bg4 (worse is 30.Nb7 Rb7 31.Bg4 Re7+–) 30...Bd4 31.Bd4 cd4 32.Be6 Kg7 33.Rad1 Ba8 (33...Nf6 34.Rd4 Rh8 35.Nf5 Kg6 36.Rd6+–) 34.Rd4 Nf6 (34...Kf6 35.Bd5+–) 35.g4 Kh7 (35...Rb8 36.g5 Nh7 37.h4+–) 36.Bf5 Kg7 37.Nc8 Rc7 (37...Rc8 38.Bc8 Re7 39.g5+–) 38.Nb6 Re7 (38...Bb7 39.Rc1 Re8 40.c5+–) 39.c5 Be4 (39...Re2 40.Na8 Ra8 41.c6+–) 40.Re1 Rfe8 41.g5 (41.Nc8!? Rc8 42.Bc8 Rc7+–) 41...Bf5 42.gf6 Kf6 43.Nd5 Kf7 44.Re7 (44.Re7 Re7 45.Ne7 Ke7 46.b6+–) 1–0. DEFFM – GuestBXZB, freechess.org, 2018.

9.d4 d6 10.d5 e6 11.Nc3 (11.de6 fe6 12.Nc3 Qe7=) 11...ed5 12.cd5 (12.Nd5 Nd5 13.Bg7 Ne3 14.fe3 Kg7+=) 12...Nd5 13.Nd5 Bb2 14.Rb1 Bg7 15.Bc4 Nd7 16.e4 (16.Rc1 Rc8+=) 16...Re8 (16...Kh8 17.Re1+=) 17.Re1 (17.Qd3 Nf6 18.Rfe1 Rc8+=) 17...Nf8 (17...Nf6 18.Qd3+=) 18.Rc1= Ne6 19.a4 Ra7 (19...Rc8 20.Qd2=) 20.Qd2 (20.Qd3 Bd5 21.Bd5 Nf4=) 20...Nd4 21.Nd4 (21.Qd3 Bd5 22.Bd5 Rc7=) 21...Bd4 22.Qh6 Bg7 (22...Re5 23.Re2=) 23.Qf4 (23.Qh3 Qg5 24.Qd3 Be5+=) 23...Be5 24.Qh6 Bd5 25.Bd5 (worse is 25.ed5 Qf6 26.Re3 Rae7-/+) 25...Qf6 26.Rc4 Rae7 27.Bc6 Bd4 (27...Qe6 28.Rcc1 Rc8 29.Bd5+=) 28.Rc2 (28.Qd2 Rc8=) 28...Rd8 (28...Rc8 29.Rd1+=) 29.Bd5= Re5 30.Rd1 (30.Qh3 Qf4+=) 30...Rde8 31.Qh3 Kg7 32.Qd7 (32.Bc6 Re4 33.Be8 Re8+=) 32...R8e7 (better is 32...Qe7!? 33.Qe7 R8e7–+) 33.Qc6= Rh5 (33...Qg5 34.Qd6 f5 35.Qb6 fe4 36.Rd4 cd4 37.h4-/+) 34.Qb6+= Ree5 35.Qa5 (35.Qc7 Reg5 36.Rd3+= (36.Qa5 Qf3 37.Kf1 Rg2 38.Ra1 Rf2 39.Rf2 Qf2)) 35...Qh4?? (35...Rh2 36.Rd4 Qh4–+) 36.h3+/– Reg5 (36...Rhg5!? 37.Rd4! Qh3+/–) 37.Rd3+– Qf4 (37...Rd5 38.ed5 Rd5+–) 38.Qd2 Qf6 (38...Qh4 39.b6 Rd5 40.b7 Qe4 41.Qe2 Bf2 42.Kf2 Rdf5 43.Kg1 Qb7 44.Rd6-/+) 39.b6 (better is 39.a5+–) 39...Be5?? (39...Rd5 40.ed5 Qd8 41.Rd4 Re5+–) 40.b7 Bf4 (40...Qd8 41.f4 Bd4 42.Rd4 Rg3 43.Bf7 Kf7 44.Rd6 Qf8 45.Rd7 Kg8+–) 41.Qc3 Be5 42.Qb3 Qf4 43.b8Q Qh2 44.Kf1 Qg2 45.Ke2 Rh4 (45...c4 46.Rc4 Rh4 47.Rf3 Qf3 48.Qf3+–) 46.Rf3 f5 (46...Kh6+–) 47.Q3b7 Kh6 48.Qf8 (48.Qf8 Bg7 49.Qbg7 Kh5 50.Qh7) 1–0. GuestWHLZ – GuestZVXB, freechess.org, 2018.

7.Be2 d5

8.0-0 b6 9.d4 cd4 10.Bd4 Nbd7 11.a4 Bb7 12.Nbd2 Rc8 13.Qb3 Nc5 14.Qb2 Ne8 15.Rfc1 dc4 16.Bc4 Bd4 17.Nd4 Nd6 18.Qa2 Nc4 19.Qc4 Bd5 20.Qe2 e5 21.N4f3 Qf6 22.e4 Be6 23.h3 Rfd8 24.Rc3 Qf4 25.g3 Qf6 26.Kg2 h5 27.h4 Bg4 28.Re3 Rd4 29.Qe1 Ra4 30.Ra4 Na4 31.Qa1 Rc2 32.Qa4 Rc5 33.Nb3 Rc7 34.Qa1 Re7 35.Rc3 Kh7 36.Nbd2 Qd6 37.Qa3 Qd8 38.Rc6 Bd7 39.Rd6 Qc7 40.Qd3 Bb5 41.Qa3 Bc6 42.Nb3 Qb7 43.Nbd2 1–0. blackiwhite (1700) – bajai (1850), kurnik, 2012.

8.0-0 Nbd7 9.Na3 Nb6 10.cd5 Qd5 11.d3 h6 12.Ne5 Ng4 13.Bg4 Bg4 14.Qg4 (worse is 14.Ng4 Bb2 15.Nc4 Nc4-/+) 14...Be5 15.Nc4 Bb2 16.Nb6 Qd8 17.Na8 Ba1 18.Ra1 Qa8 19.h4 Qc8 20.Qe4 Qd7 21.a4 Rd8 22.Ra3 e6 23.h5 g5 24.Rc3 b6 25.Qc6 (25.Qe5 Qd6 26.Qf6 e5 27.Qd6 Rd6=) 25...Qd6 (25...Qc6 26.bc6 Rc8 27.Kh2-/+) 26.Qf3 (26.Qd6 Rd6 27.Kf1 Kf8=) 26...e5 27.Qf5 Qe6 28.Qe6 fe6 29.f3 Kf7 30.Kf2 Ke7 31.Ke2 Kd6 32.d4 ed4 (worse is 32...cd4 33.Rc6 Ke7 34.Rb6+–) 33.ed4 Rc8 34.Kd3 Kd5 35.Rc4 Rc7 36.dc5 Rc5 37.Rd4 Ke5 38.Re4 Kf6 39.Rg4 Rd5 40.Ke3 Re5 ½–½. Kushch,Nikolai (2375) – Kljuka,Sergej, UKR–ch op Alushta, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c5 7.Be2 d5)

8.0-0 e6 9.d4+= Ne4 (9...Nbd7 10.Nbd2+=) 10.Nbd2 (10.Qc2 cd4 11.Bd4 Bd4 12.Nd4 e5+–) 10...Nd2 (10...Nd7 11.Rc1+=) 11.Nd2 (11.Qd2 dc4 12.Rfd1 cd4 13.Bd4 Bd4 14.Qd4 Qd4 15.Rd4 Bd7+–) 11...cd4 12.ed4 dc4 (12...Nd7 13.Rc1+=) 13.Nc4 Nd7 (13...Re8 14.Rc1+=) 14.Ba3+– Nb6 (14...Re8!?+–) 15.Bf8+– Kf8 (15...Bf8 16.Rc1+–) 16.Ne5 Nd5 17.Bc4 Nf4 (17...f6 18.Nf3+–) 18.g3 (18.Re1 Kg8+–) 18…Qd4 1–0. GuestDGKJ – GuestLXGS, freechess.org, 2020.

8.d4 dc4 9.0-0 Ne4 (9...Qc7 10.Nbd2=) 10.Bc4 Bg4 11.Be2 (11.Nbd2 Nd2 12.Qd2 Bf3 13.gf3 Nd7=) 11...cd4 (11...Nd7 12.Nc3 Nd6 13.h3 cd4 14.Nd4 Be2 15.Qe2 Bd4 16.ed4=) 12.Nd4 Be2 13.Qe2 a4 (13...Nd7 14.Rd1=) 14.Nc3 (14.Rd1 Nd7+=) 14...Nc3= 15.Bc3 Nd7 16.Rfd1 Qb6 17.Bb4 (17.Rac1 Rfc8=) 17...Rfc8= 18.h4 (18.h3 e6=) 18...Nf6 19.Rab1 (19.Rac1 e6=) 19...Ne4 (19...e6 20.Nf3+=) 20.Qd3= (worse is 20.Be7 Nc3 21.Qb2 Rc4–+) 20...Nc5 21.Qa3 e5 22.Nf3 e4 23.Ng5 h6 24.Bc5 Rc5 25.Ne4 Rb5 26.Rb5 Qb5 27.Qe7 Qb2 28.h5 Qa2 29.hg6 fg6 30.Qb7 Rf8 31.Rd7 Qa1 32.Kh2= Qb2 33.Qd5 Kh8 34.f4 Qb3 35.Qb3 ab3+= 36.Rb7 b2 37.Nd6 Ra8 38.Nf7 Kg8 39.Ne5 Ra3 40.Rb2 Be5 41.fe5 Re3 42.Rb6 ½–½. Macieja,B (2585) – Volokitin,A (2550), Milan Vidmar Mem, Portoroz SLO, 2001.

8.cd5 Qd5 9.0-0 Rd8 10.Nc3 Qd6 11.a4 b6 12.d4 Nbd7 13.Qc2 Bb7 14.Rad1 Rac8 15.h3 e6 16.dc5 Qc5 17.Qb3 Nd5 18.Ne4 Qc2 19.Qc2 Rc2 20.Bg7 Re2 21.Ba1 Nc5 22.Nf6 Kf8 23.Nh7 Ke7 24.Nhg5 Na4 25.Ne5 Ndc3 26.Rd8 Kd8 27.Ngf7 Ke7 28.Ng5 Be4? 29.f3 Bc2 30.Rc1 Nb5 31.Kf1 Rd2 32.Ke1 Rg2 33.Ne4? Be4–+ 34.fe4 Rg1 35.Kd2-/+ Rc1 36.Kc1 Nbc3 37.Bc3 Nc3 38.Ng6 Kf6 39.Nf4 Ne4 40.h4 Ng3 41.h5 b5 42.h6 e5 43.h7 Kg7 44.Ne6? Kh7 45.Nc7 b4 0–1. nizinna – bielbielska, kurnik, 2011.

8.cd5 Nd5 9.Bg7 Kg7 10.0-0 Nd7 11.d4 cd4 12.Qd4 N7f6 13.Rd1 Bf5 14.Nc3 Nc3 15.Qc3 Qb6 16.Qe5 Rfe8 17.Nd4 Be4 18.Rac1 Kf8 19.Nb3 Red8 20.Nc5 Bd5 21.e4 Be6 22.Na4 Qa7 23.b6 Qb8 24.Rc7 Rd1 25.Bd1 Qd8 26.Bf3 Ba2 27.Nc5 Qd6 28.Qb2 Be6?? 29.e5+– (29.e5 Qd8 30.Nb7+–; 29.Nb7?! Qb4 30.Qc1 Qb6+=) 1–0. Kurz,Ralf – Musch,Jochen, Oberliga Baden, 1992. (=1.c4 Nf6 2.Nf3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 c5 6.e3 0-0)

8.cd5 Nbd7 9.Qc2 Nd5 10.Bg7 Kg7 11.h4 h5 12.Ng5 N7f6 13.Qc5 Nb4 14.a3 Bg4 15.f3 Rc8 16.ab4 Rc5 17.bc5 Bf5 18.d4 Nd5 19.Kf2 e5 20.Rd1 Bb1 21.Rab1 Nc3 22.de5 Qc7 23.e6 Nb1 24.Rb1 Qh2 25.Nh3 fe6 26.c6 Rc8 27.cb7 Rb8 28.f4 Rb7 29.b6 g5 30.hg5 h4 31.Bf3 Rb8 32.b7 e5 33.Rc1 ef4 34.Rc7 Kg6 35.ef4 a4 36.Be4 Kh5 37.Bf5 Qg3 38.Kf1 Qf4 39.Nf4 1–0. Hickl – Oechslein, BL 1981.

6.b5 c6

7.Na3 d5 8.Be2 dc4 9.Bc4 c5 10.0-0 b6 11.d4+= cd4 12.Nd4 Bb7 13.Rc1 Ne4 14.Qe2 Nc5 15.Rfd1 Qc7 16.Nb3 Bb2 17.Qb2 Nbd7 18.Bd5 Bd5 19.Rd5 Rac8 20.h3 Qb8 21.Nc4 Nb3 22.ab3 Qb7 23.Rdd1 Rc7 24.Ne5 Ne5 25.Qe5 Rcc8 26.h4 ½–½. Panno,O (2485) – Rojas,L (2405), Copa ENTEL, Santiago CHI, 2004. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5)

7.Na3 d6 8.Be2 Nbd7 9.0-0 e5 10.d3 (10.d4 Qc7+=) 10...h6 (10...Qc7 11.d4=) 11.Qc2 Re8 12.Rab1 Qc7 13.Bc3 e4 (13...Nc5 14.Rfd1=) 14.de4+= Ne4 15.Bg7 Kg7 16.Qb2 Kh7 17.Rfd1 (17.b6 Qb8+=) 17...Ndc5= 18.Rbc1 Qe7 19.Nb1 Bg4 20.Nc3 a4 21.Ne4 Ne4 22.Nd4 Bd7 23.Bf3 Ng5 24.Be2 Ne4 25.Qa3 Qh4 26.Rf1 Qg5 (26...c5 27.Nf3 Qf6 28.Bd3=) 27.Nf3 Qf6 28.Rc2 Ra5 29.Nd4 Raa8 30.f3 (30.Bd3 Nc5+=) 30...Nc5 31.Rd1 Qe5 32.e4 Qf4 33.Bf1 Re5 (better is 33...Rac8!?=) 34.Ne2 Qf6 35.Rcd2 Rh5 (better is 35...Re6!?+/–) 36.Ng3 Rh2 (36...Re5 37.Rd6 Be6 38.Qe3+–) 37.Kh2 (37.Rd6!? Qh4 38.Kf2 b6 39.Rd7 Nd7 40.Rd7 Kg7+–) 37...Qh4 38.Kg1 Qg3 39.Qe3 (39.Rd6?! Ne4 40.Rd7 Qf2 41.Kh2 Qh4 42.Kg1 Qf2 43.Kh1 Qh4 44.Kg1 Qf2=) 39...Ne6 40.Qf2 Qg5 41.Rd6 Nf4 42.g3 Bh3 43.bc6 bc6 44.Qh2?? Bf1? 45.Kf1+– Nh5 46.g4 Nf4 47.Qd2 Rb8 48.Rd8?? Rd8+= 49.Qd8 Qc5 50.Qd4 Qa3 51.Kf2 Nh3 52.Kg3 Ng5 53.Rd3 Qc1 54.Rd1 Qa3 55.Qd3 Qa2 56.f4 Ne6+= 57.Qd7 Kg7 58.f5+= gf5 59.gf5 Qe2 60.Qd3 Qd3 61.Rd3 Nc5 62.Re3 a3 63.Kf4 a2+/– 64.Ra3 Nd3 65.Kf3 Ne5 66.Kf4 Nd3 67.Kg3 Nb4 68.Ra7 Kf6= 69.Kf4 Nd3 70.Ke3 Ne5?? 71.Kd4 c5 72.Kc3 Nc6 73.Ra2+– Ke5 74.Ra6 Nd4 75.Kd3 f6 76.Ra5 Kd6 77.Ra8 Nc6 78.Re8 Ne5 79.Ke2 Nd7 80.Re6 Kc7 81.Ke3 Kd8 82.Kf4 Kc7 83.Kg3 h5 84.Kh4 Ne5 85.Re5! 1–0. Havlicek,L2 (2265) – Kovac,A (2170), SVK, Extraliga, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c6)

7.a4 cb5 8.ab5 b6 9.d4 Bb7 10.Nbd2 d5 11.c5 bc5 12.dc5 Bc8 13.h3 Nbd7 14.Rc1 e6 15.Nd4 a4 16.Ba3 Ne4 17.Ne4 de4 18.Nc6 Qc7 19.Ne7 Kh8 20.b6 Qe5 21.Nc8 Rac8 22.Be2 Nc5 23.Bc5 Rc5 24.Rc5 Qc5 25.Qb1 Qc3 26.Kf1 a3 27.b7 a2 28.b8Q ab1Q 29.Qb1 Be5 30.g3 Qe1 31.Qe1 1–0. Adamkosh (1925) – schachtherapy (2070), lichess.org, 2019.

7.a4 cb5 8.ab5 b6 9.Be2 Bb7 10.0-0 d5 11.Nc3 e6 12.Na4 Nbd7 13.d4 dc4 14.Bc4 Nd5 15.Qb3 Nb4 16.Rfc1 Bf3 17.gf3 Qg5 18.Kf1 Qh4 19.Ke2 Qh2 20.Rh1 Qd6 21.Rag1 Nf6 22.Nc3 Rac8 23.Bd3 (23.Rc1!?-/+) 23...Nd3 24.Kd3 Nd5 (better 24...Rfd8-+) 25.Ne4?? (better 25.Ba3 Nb4 26.Bb4 ab4 27.Ne4-/+) 25...Qb4-+ 26.Qb4 Nb4 (26...Nb4 27.Ke2 Rc2 28.Nd2 Rb2-+; 26...ab4?! 27.Nd6 Rcd8 28.Nc4-/+) 0-1. bjoernsen (2450) - StoreySniper (2570), Rated blitz game, lichess.org, 2021.

7.a4 cb5 8.ab5 b6 9.Be2 Bb7 10.d3 d5 11.Nbd2 Nbd7 12.0-0 Rc8 13.Rc1 Nc5 14.cd5 Nd5 (14...Bd5 15.Bf6 Bf6 16.d4=) 15.d4 Nd7 16.Qb3 e6 17.Rc8 Qc8 18.Rc1 Qb8 19.Ne5 (better is 19.e4!? Nf4 20.Bc4+=) 19...Ne5+= 20.de5 Be5 21.Be5 Qe5 22.Nf3 Qb8 (22...Qf6 23.Qa3-/+) 23.Nd4+= Rc8 24.Nc6 Bc6 25.bc6 Nb4 26.Bb5 Qd6 27.Qb2 (27.Qa4!?+=) 27...Qd5 28.Qf6?? (better is 28.Qe2-/+) 28...Qb5–+ 0–1. GuestBTYG – GuestGWYJ, freechess.org, 2017.

7.a4 b6 8.Qc2 d5 9.d4 cb5 10.cb5 Bf5 11.Bd3 Ne4 (11...Bd3 12.Qd3 Ra7=) 12.g4 (better 12.Nh4!? Be6 13.Be4 de4 14.Qe4+=) 12...Bg4=+ 13.Be4 de4 (13...f5!?=+) 14.Qe4= Bf3 15.Qf3 Nd7 16.Nc3 (16.0-0 e5=) 16...e5=+ 17.Ne2 Rc8 18.0-0 (18.Rg1 Rc2 19.Ba3 Re8-/+) 18...Rc2-/+ 19.Ba3 Re8 20.Rfc1?? (better 20.Rfe1-/+) 20...e4–+ 21.Qf4 Re2 22.Rc7 (22.Bd6–+) 22...Be5! 23.Rd7 (23.de5 Qc7 Decoy (23...Qc7 Interception)) 23...Bf4 (23...Qd7?! 24.de5 Qd3 25.e6 fe6 26.Qc7–+) 24.Rd8 Rd8 25.ef4 Rd4 26.Be7 Rdd2 27.Bh4 e3 28.Rf1 Kg7 29.Bg3 h5 (29...Ra2 30.fe3 f5 31.Rd1–+) 30.Kg2 (30.f5 Ra2–+) 30...Kf6 (30...Ra2 31.Kf3 Reb2 32.fe3 Ra4 33.Rd1–+) 31.Rc1 (31.Kf3 Ra2 32.fe3–+) 31...ef2 32.Rc6 (32.Rf1 Kf5 33.Rf2 Rf2 34.Bf2 Kf4–+) 32...Re6 (better 32...Kf5!? 33.Rb6 Re1 34.Bf2–+) 33.Bh4 (33.Bf2 Kf5 34.Re6 fe6–+) 33...Kf5 34.Rc7 f6 35.Kf1 (35.Rc6–+) 35…Re1 (35...Re1 36.Kg2 f1Q 37.Kg3 Qd3) 0–1. Mesquita,Arnaldo Leite (1710) – Baeta,Marcio Netto (1960), Aberto do Brasil Cidade Maravilhosa, 2016.

7.a4 c5 8.Be2 b6 9.0-0 Bb7 10.d4 d6 11.d5 Nbd7 12.Qc2 e5 (12...Qc7 13.Nc3+=) 13.de6 (13.Nc3!?+=) 13...fe6= 14.Nc3 Qe7 15.e4 (15.Rad1 d5=) 15...Ng4 (15...Ne4!? 16.Ne4 Bb2=+) 16.Rad1= Nde5 17.Ne5 Ne5 18.f4 Nf7 19.g3 Rad8 20.Bf3 e5 (20...Bd4 21.Kg2=) 21.f5+= Ng5 (21...gf5 22.ef5 e4 23.Nd5 Bd5 24.Bg7 Kg7 25.Bg2+=) 22.Bg2+/- gf5 23.ef5 Bg2 24.Qg2 e4 25.Rde1 (25.Nd5!? Qb7 26.f6+-) 25...Rde8 (25...Bc3!? 26.Bc3 Qf7 27.Re4 Ne4 28.Qe4 h6+=) 26.Nd5+= Qf7 27.f6 Bh6 (27...Nf3!? 28.Rf3 ef3 29.Re8 fg2 30.Ne7 Qe7 31.Re7 Bf6 32.Bf6 Rf6 33.Kg2 Rf5+/-) 28.Kh1 Nf3 29.Re2 Qh5?? (better 29...Bg5+-) 30.Ne7 (30.Ne7 Kf7 31.Re4 Qh2 32.Qh2 Nh2 33.Kh2+-; 30.Nb6?! Kf7+-) 1-0. Eekamouse (2550) - grandmatt (2600), Rated Blitz game, lichess.org, 2016. (=1.e3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 a5 6.b5)

7.Nc3 d5 8.Qb3 Nbd7 9.d4 dc4 10.Bc4 Nb6 11.Be2 a4 12.Qc2 Bf5 13.Qc1 (13.e4 Bd7=) 13...Rc8 14.bc6 Rc6 15.Ne5 Rc8 16.f3? (better 16.Qd2=+) 16...Nfd5 (better 16...a3 17.Ba3 Nfd5 18.Bb2 Be5 19.de5 Nc3 20.Bc3-+) 17.a3? (better 17.e4 a3! 18.ed5-+) 17...Be6 (17...Be5 18.de5 Nc3 19.Bc3-+) 18.0-0?? (better 18.e4 Nc3 19.Bc3=+) 18...Bh6 (better 18...Be5!? 19.de5 Nc3 20.Bc3-+) 19.f4 Bf5?? (better 19...Nc3 20.Bc3 Nd5-+) 20.g4 (20.Qd2!?=) 20...Be4 21.Qd2 Nc4?? (better 21...Nc3 22.Bc3 f6=+) 22.Nc4 Nc3 23.Bc3 Qc7 (23...b5 24.Ne5 Qd5 25.Rfc1+-) 24.Rac1 Qb8 (24...b5 25.d5 Qa7 26.Bd4+-) 25.Bb4 (25.Nb6 Rc7+-) 25...Rfe8 (25...b5 26.Na5+-) 26.Nb6 Rc6 27.Nd7 Qc7 28.Nc5 b6 (28...Bd5+-) 29.Ne4 Rc1 30.Rc1 Qb7 31.Bf3 (31.Bf3 Qa7 32.Qc3+-) 1-0. bjoernsen (2400) - Bastivenko (2410), Rated blitz game, lichess.org, 2020.

7.Nc3 d5 8.d4 dc4 9.Bc4+= cb5 10.Bb5 Bd7 11.0-0 Bb5 12.Nb5 Qb6 13.a4 Na6 14.Qb3 Qd8 (14...Rac8 15.Rac1+=) 15.Ba3 Nd5 (15...Rc8 16.Rab1+=) 16.Nc3 (16.Rac1 Qd7+/–) 16...Nc3+= 17.Qc3 Qd7 (17...Rc8!? 18.Qb2 Rc7+=) 18.Rfb1 Rfc8 19.Qb3 (19.Qa5 Rc7+/–) 19...Rc7+= 20.Qb5 Qd8 21.Bc1 Nb4+= 22.Bd2 Nc6 23.Bc3 Rd7 24.h3 e6 25.Rb3 Bf8 26.Qe2 Nb4 27.Ne5 Rc7 28.Nd3 Qd5 29.Rab1 Qc4 30.Bb4+= ab4 31.Qb2 Qa6 32.Nb4 Qa4= 33.Nd3 Ra7 34.Qe2 Bd6 35.g3 Qc6= 36.h4 h5 37.Ne1 Qa6 38.Qf3 Be7 39.Nd3 Kg7 40.Qe4 Bd6 41.Rb5 Qa3 42.R5b3 Qa4 43.Kg2 Qd7 44.R1b2 Kg8 45.g4 hg4+= 46.Qg4 Ra5 47.Qe4 Rd5 48.Ne1 Bf8 49.f4 Qc8 50.Nf3 Ba3 1–0. Anastasian,A (2570) – Karavade,E (2355), 7th Open, Dubai UAE, 2005.

7.Nc3 d5 8.d4 dc4 9.Bc4 Nbd7 10.Rc1 c5 11.Na4 cd4 12.Bd4 e6 13.0-0 Qe7 14.Qb3 Ne4 15.Bd3 e5 16.Bb2 Nec5 17.Qa3 b6 18.Nb6! Nb6 19.Be4 Rb8? 20.Rc5+– Na4 21.Rc4 Nb2? 22.Qe7 Nc4 23.Bc6 h6 24.Rc1 Be6 25.Qa7 Rfd8 26.h3 Bf8 27.a4 Bd6 28.Rd1 Kg7? 29.Rd6! Nd6 30.Ne5 Kf6 31.Qd4 Ke7 32.Qa7 Kf6 33.Qd4 Ke7 34.Qc3 1–0. Tratar,M (2495) – Ivekovic,Z (2265), 14th Open, Bosnjaci CRO, 2009.

7.Be2 cb5 8.cb5 d5 9.0-0 a4 10.Na3 Nbd7 11.Rc1 Nb6 12.Be5 Ne8 13.d4 Bg4 14.Qc2 Nd6 15.Qc7 Bf3 16.Bf3 Be5 17.de5 Ndc4 18.Qd8 Rfd8 19.Nc4 Nc4 20.Be2 Rac8 21.Rfd1 Ne5 22.f4 Nc4 23.Bc4= dc4 24.Rd8 Rd8 25.Rc4 Rd1 26.Kf2 Rd2 27.Kf3 Ra2 28.Rc7 ½–½. Boensch,Uwe (2390) – Kollberg,Lothar (2275), DDR–ch, 1977.

7.Be2 cb5 8.cb5 d6 9.0-0 b6 (9...h6 10.Nc3+=) 10.Nc3 Bb7 11.Rc1 (11.d4 Nbd7+=) 11...Nbd7= 12.d4 Rc8 13.a4 e5 (13...h6 14.Qd2+=) 14.Ba3+= e4 (14...Ne8 15.Qd3+=) 15.Nd2+/– Qe7 16.Nc4 Ne8 17.Qb3 Kh8 18.Nd2 Nef6 19.Rc2 Rc7 20.Nc4 Ne8 21.f4 (21.Nb1 Bd5+=) 21...ef3= 22.Bf3 Rc4 23.Qc4 Qe3 24.Kh1 Bf3 25.Rf3 Qd4 26.Qd4 Bd4 27.Nd5 f5 28.Rc8+/– Kg7 29.Rd3 Be5 30.Rc6 Nc5 31.Bc5 bc5 32.Rc8 g5?? 33.b6+– (33.b6 c4 34.Rd1+– (34.Rc4?! Rf7+–)) 1–0. Allesnehmer – Brrrr, playchess.de, 2001.

7.a4 d5

8.Qb3 Nbd7 9.d4 c5 10.cd5 cd4 11.Bd4 Nb6 12.Nc3 Nbd5 13.Nd5 Nd5 14.Bg7 Kg7 15.Rd1 e6 16.e4 Re8 17.Be2 Qe7 18.ed5 ed5 19.Rd2 Be6 20.Qb2 Kg8 21.0-0 Rad8 22.Nd4 Bc8 23.Bf3 Qg5 24.Re2 h5 25.Qd2 Qf6?! 26.Rfe1 Re2 27.Re2 Kg7 28.Qe3 Be6 29.Ne6 fe6 30.Qe6 (30...Qe6 31.Re6+–) 1–0. Myslowski,Karol – Bichon,Xavier, Paris op A, 1998.

8.Nc3 Re8 9.Be2 (9.d4 Bg4=) 9...e5 10.0-0 (10.d4 ed4 11.Nd4 dc4 12.Bc4 Bg4=) 10...Bg4 (better is 10...d4!? 11.Nb1 d3 12.Bd3 Qd3 13.Ne5 Qf5-/+) 11.h3 Bf3 12.Bf3 (12.gf3? d4–+) 12...e4 13.Be2 d4 14.ed4 Qd4 15.Qc2 Nh5 (15...Qc5 16.Rfe1=) 16.Nd1 Qc5 17.Ba3?? (better is 17.Bh5 Qh5 18.Bg7 Kg7 19.Re1+=) 17...Qg5–+ 18.Ne3 (18.h4 Qh4 19.Bb2 Nf4-/+) 18...Nf4 19.Bg4 (19.Rae1 Nh3 20.Kh1 Nf4–+) 19...h5 20.Bb2 (20.g3 Ba1 21.Ra1–+) 20...hg4 21.Ng4 (21.Bg7 Ne2 (worse is 21...Kg7 22.Qb2 Kg8 23.Ng4–+) 22.Kh2 gh3–+ (22...Kg7?! 23.Qb2 Qe5 24.Qe5 Re5 25.Ng4–+)) 21...f5 22.Bg7 fg4 (22...Kg7?! 23.Qb2 Kf7 24.bc6–+) 23.h4 (23.Bb2–+) 23...Qh4 (23...Ne2 24.Kh2 Qh4) 24.Qc3 (24.Rae1 Kg7 25.Qc3 Kf7 26.Qg3–+) 24...Ne2 0–1. GuestPXKS – popeleisen, freechess.org, 2017.

8.d4 dc4 9.Bc4 cb5 10.ab5 Nbd7 11.Nbd2 Nb6 12.Be2 Bf5 13.Nh4 Bd7 14.e4 Ne8 15.Qb3 Nd6 16.Nhf3 a4 17.Qb4 Qe8 18.Rb1 (18.Qc5!? Nbc8 19.b6=) 18...Bb5-/+ (worse is 18...Nb5 19.Ba1+/–) 19.Bb5 Qb5 (worse is 19...Nb5 20.Ba1+–) 20.Qb5 Nb5 21.Ba1 Ra5 22.Ke2 Rc8 (better is 22...f5!?-/+) 23.Rb4+= Nd7 24.Nc4 Ra7 25.Kd3? (better is 25.Rhb1!?=) 25...Nc7-/+ 26.Na3 Ne6 27.g3 b6 28.Nb5 Raa8 29.Bb2? (29.Nc3 Ra6-/+) 29...Rd8 (better is 29...Nec5!? 30.dc5 bc5 (30...Nc5?! 31.Ke2 Na6 32.Ra4 Bb2 33.Rb1-/+) 31.Bg7 cb4–+) 30.Ke2 Rac8 (30...Ndc5 31.Ra1 Ne4 32.Rba4-/+) 31.Rc1 Bh6 32.Rcc4+= Nf6 33.d5 Nc5 34.Bf6 ef6 35.Na7 Ra8+= 36.Nc6 Re8 37.d6 a3–+ 38.Rc5?? bc5 39.Rb1 Re6 40.e5 fe5 41.Nfe5 Rd6 42.Ne7 Kf8 43.N5c6 a2 44.Ra1 Bg7 45.Ra2 Ra2 46.Kf3 Bf6 47.h4 Be7 48.Ne5 Rf6 49.Kg4 h5 50.Kg5 Rf5 51.Kh6 Kg8 52.Ng6 fg6 53.Kg6 Rd5 (53...Rd5 54.g4 Ra6; 53...Re5 54.g4 Ra6) 0–1. Lunin,Mikhail (2230) – Lylov,Igor (2290), Tournament (Elo) (a), 2008.

8.d4 dc4 9.Nbd2 cb5 10.ab5 c3 11.Bc3 Nd5 12.Bb2 e5 (12...Bg4!?=) 13.de5+/- Nb6 Black intends a4 14.Be2 a4 15.0-0 Be6 16.Nd4 Bd5 17.e4 Be6 18.Ne6 fe6 19.Nc4 N8d7 20.Qd6 Qb8?? (better 20...Re8+-) 21.Qe6 (21.Nb6?! Qd6 22.ed6 Nb6+-) 21...Kh8 22.Nd6 (better 22.Nb6 Nb6 23.Qb6 Be5 24.Be5 Qe5 25.Qb7 Rfe8+-) 22...a3 (22...Nc5 23.Qe7+-) 23.Ba3 (better 23.Ra3!? Ra3 24.Ba3 Be5 25.Nf7 Rf7 26.Qf7 Bh2 27.Kh1 Bd6 28.Bd6 Qd6+-) 23...Be5 24.Nf7 Rf7 25.Qf7 Qg8 26.Qg8 Rg8 (26...Kg8 27.Ra2+-) 27.Rac1 (27.Rad1 Ra8 28.Bc1 Ra2+-) 27...Ra8 28.Bc5 Na4 29.Be3 b6 (29...Nc3 30.Rfe1 g5 31.Bc4 Ne4 32.Bd5+-) 30.f4 Bb2 31.Rc2 Bg7 (31...Re8 32.e5 Ndc5 33.Rb1+-) 32.e5 (32.Ra2 Ndc5 33.Bc5 bc5+-) 32...Ndc5 33.Bf3 Rd8 34.Rd1 Rd1 35.Bd1 Kg8 (35...Bf8 36.Rc4 Nb2 37.Bc5 Nc4 38.Bf8+-) 36.Bf3 (36.Ra2!? Nc3 37.Bc5 h6 38.Ra8 Kh7+-) 36...Kf7 (36...g5 37.g3+-) 37.Bd5 (better 37.Bc5!? bc5 38.Ra2 Nb6+-) 37...Ke7 38.g4 g5 39.fg5 (better 39.Ra2!? gf4 40.Bc5 Nc5 41.Ra7 Kf8 42.Rf7 Kg8 43.Rf4 Kh8+-) 39...Be5 40.h4 (40.Bg8 Ne6 41.Re2 Nc3+-) 40...Kd6 (40...Nc3 41.Bg8 Nb5 42.Bh7+-) 41.Bc6 (41.Bg8 Nc3+-) 41...Nc3 (41...Ke6 42.Ra2 Bd6 43.Bd4+-) 42.h5 (42.Rd2 Kc7+-) 42...N3e4 (42...Ke6 43.Rd2+-) 43.g6 hg6 44.hg6 Nf6 45.Bc5 (better 45.g7 Ng8+-) 45...bc5 46.Rd2 Ke6 (46...Ke6 47.b6 Ng4+-). Jurekszach (2310) - alifie (2375), Rated Bullet game, lichess.org, 2019.

8.cd5 cd5 9.Be2 Nbd7 10.0-0 Nc5 11.d3 Bf5 12.Nd4 Bd7 13.Nd2 e5 (13...Rc8 14.Rc1=) 14.N4b3+= Nb3 15.Nb3 Re8 16.Rc1 b6 17.Rc2 Bf5 18.Qa1 Nd7 19.Rfc1 Be6 (19...Qg5 20.Rc7+=) 20.Nd2 Bf5 21.Nb3 Be6 22.Nd2 Bf5 23.Nb3 ½–½. Gambaeck,Bjorn (2140) – Merkesvik,Sondre (2035), Stockholm SWE, Rilton Cup, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 c6 7.a4 d5)

8.cd5 cd5 9.Be2 Bg4 10.0-0 e6 11.d3 Nbd7 12.Nbd2 Rc8 13.h3 Bf3 14.Nf3 Nc5 15.Nd4 (15.Rc1 Re8+=) 15...Qb6 16.Nb3 Nb3 17.Qb3 Nd7 18.Bg7 (18.d4 Rfe8+=) 18...Kg7= 19.Rfc1 (19.Rac1 Kg8=) 19...Ne5 (19...d4 20.Qb2=) 20.Qb2 f6 21.Rc8 Rc8 22.Rc1 Qd8 23.Rc2 Qd7 24.Qc1 Rc2 25.Qc2 Qd6 26.Qc8 b6 27.f4 (27.Qb7 Nf7+=) 27...Nf7= 28.Kf2 Qb4? (28...e5 29.fe5 fe5= (worse 29...Qe5 30.d4 Qe7 31.Bf3+/-; worse 29...Ne5 30.Qb7 Qd7 31.Qb6+-)) 29.Qe6+/- Qa4 30.Qd5 Qb4 31.d4 a4 32.Kf3 a3 33.Bc4 Nd6?? (better 33...Qe7+/-) 34.Qg8 Kh6 35.Qf8 Kh5 36.Be2 (36.g4 Kh4 37.Qh6) 36...Kh4 (36...g5 37.Qf6 Qb5 38.g4 Kh4 39.Qh6) 37.Qh6 1-0. Perunuk (2425) - AmaraMaple (2425), Rated Bullet game, lichess.org, 2021.

8.Be2 cb5 9.ab5 dc4 10.Na3 Be6 11.Nc4 Nbd7 (11...Bc4 12.Bc4 Nbd7 13.d4+=) 12.d4 Ne4 13.0-0 Ndf6 (13...Bd5 14.Qa4+=) 14.Qe1 (14.Qa4 b6+=) 14...Bc4 15.Bc4 a4 (15...Nd6 16.Bd3+=) 16.Bd3 (16.Qb4 Nd5 17.Bd5 Qd5 18.Ra4 Nd6+/–) 16...Qa5+= 17.Ba3 Qe1 18.Rfe1 (worse is 18.Ne1 Nd2 19.Be7 Rfc8+=) 18...Rfe8 19.Rac1 Bf8 20.Rc7 e6 (20...b6 21.Rc6 Rec8 22.Rb6+/–) 21.Bf8 Rf8 (21...Kf8 22.Rb7 a3 23.Ra1+/–) 22.Rb7 a3 23.Ra1 a2 24.Rc7 Ra3 25.Be4 (25.Ne5 Nd5 26.Rc2 Nec3+/–) 25...Ne4+= 26.Rc2 Nc3 27.Rb2 (27.Nd2 Rb8 28.Nc4 Rb3–+) 27...Rb8-/+ 28.b6 Ra6–+ 29.b7 Ra7 30.Nd2 Rbb7 31.Nb3?? Ra3 (31...Ra3 32.Rba2 Ra2 (32...Rab3?! 33.Ra8 Kg7 34.h3–+) 33.Ra2 Na2–+ (33...Rb3?! 34.Ra1–+)) 0–1. Galliamova_Ivanchuk,Alisa – Kachiani_Gersinska,Ke, Izt (w) IX Kishinev (Moldova), 1995.

8.Be2 Bg4 9.0-0 Bf3 10.Bf3 Nbd7 (10...dc4 11.bc6 Nc6 12.Na3=) 11.d4+= Nb6 (11...Rc8 12.Nd2+=) 12.Nd2 e6 (12...Nc4 13.Nc4 dc4 14.bc6 bc6 15.Rc1+/–) 13.Qe2 Re8 14.Ra2 Nfd7 15.c5 Nc8 16.Nb3 e5 17.Qd2 e4 (17...ed4!? 18.Bd4 Ne5+/–) 18.Be2 f5 (18...Ne7 19.Bc3+/–) 19.Bc3+– g5 (19...Qf6 20.Ba5 Rf8 21.Bc7+–) 20.Na5 Ra5? (better is 20...Qc7+–) 21.Ba5 Qf6 22.Bc7 (22.bc6 bc6 23.Rb1 f4+–) 22...Nf8 (22...Qf7 23.bc6 bc6 24.Ba5+–) 23.bc6 bc6 24.a5 Ne6 Black plans f4 25.Bb6 Ne7 26.a6 f4 (26...Ra8 27.Rfa1+–) 27.a7 Ra8 28.Ba6 f3 (28...Qf5 29.Bb7 f3 30.h3 (30.Ba8?? Qg4 31.g3 Qh3 32.Bc6 Qg2) 30...fg2 31.Kg2 (31.Ba8 Qh3 32.Bc6 gf1Q) 31...Qf3 32.Kg1 Bd4 33.Qd1 (33.ed4 Ra7 34.Ra7 Nf4 35.Qf4 gf4+–) 33...Qh3 34.ed4 (34.Ba8?! Nf4 35.ef4 Qg3 36.Kh1 Qh3 37.Kg1 Qg3 38.Kh1 Qh3 39.Kg1=) 34...Nd4 35.f4 (35.Ba8 Nf3 36.Qf3 ef3 37.Bc6 Qg2; 35.Qd4?! Qg4 36.Kh2 Qh5 37.Kg2 Qf3 38.Kh2 Qh5 39.Kg1 Qg4 40.Kh1 Qf3 41.Kh2 Qh5=) 35...ef3 36.Ba8 Qg4 37.Kf2+–) 29.Bb7 Qf5 30.h3 (30.Ba8?? Qg4 31.g3 Qh3 32.Bc6 Qg2) 30...Ng6 (30...fg2 31.Kg2 (31.Ba8?? Qh3 32.Bc6 gf1Q) 31...Qf3 32.Kg1 Bd4 33.Qd1 (33.ed4?! Ra7 34.Ra7 Nf4 35.Qf4 gf4+–) 33...Qh3 34.ed4 (34.Ba8?! Nf4 35.ef4 Qg3 36.Kh1 Qh3 37.Kg1 Qg3 38.Kh1 Qh3 39.Kg1=) 34...Ra7 35.Ba7+– (35.Ra7?? Nf4 36.Qf3 Qf3 37.Ra8 Kf7 38.Rf8 Kf8 39.Bc6 Qg2)) 31.g4 (31.Ba8 fg2 32.Rfa1 Qh3+–) 31...Qf8 32.Bc6 Nef4 (32...Ne7 33.Ba8 Qa8+–) 33.ef4 Nf4 34.Bc7 Nh3 35.Kh2 Qf6 (35...Be5 36.Be5 Qh6 37.Bd5 Kf8+–) 36.Ba8 (36.Kh3?? Qh6 37.Kg3 Qh4) 36...Nf4 37.Bd5! (37.Bd5 Nd5 38.a8Q Kf7 39.Qd5 Kg6 40.Ra6 h6 41.Qe4 Kf7 42.Qa2 Qe6 43.Qae6 Kf8 44.Bd6) 1–0. guest228 – guest936, chessclub.com, 2018.

8.h3 Nbd7 9.Be2 dc4+= 10.Bc4 Nb6 11.Be2 Nbd5 12.Na3 Nb4 13.d3 Bf5 14.e4 Bd7 15.0-0 cb5 16.ab5 Nh5 17.Bg7+= Kg7 18.Qd2 Qb8 19.Rfd1 Rd8 20.Qb2 Kg8 21.Ne5 Nf6 22.Rdc1 Be8 23.b6 Nd7 24.Nac4 Ne5+= 25.Ne5 Nc6 26.Rc5 ½–½. Miltner,A (2400) – Volke,K (2470), Bundesliga, 2006. (=1.Nf3 Nf6 2.e3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.c4)

7.Be2 d5

8.a4 Nbd7 9.0-0 (9.cd5 cb5 10.Bb5 Nb6=) 9...dc4 10.bc6 bc6 11.Nd4 (11.Bc4!? c5 12.d4=) 11...Ne5 12.f4 Nd3 13.Bd3 cd3 14.Nc6 Qc7 (14...Qd6 15.Ne5=+) 15.Ne5 Ba6 (15...Bf5 16.Nc3=+) 16.Nc3 (16.Bd4 Qc2=) 16...Rab8=+ 17.Ba3 Rfc8 18.g4 (18.Rb1 e6=+) 18...Qd8 19.Rb1 Bb7 (19...Rb1 20.Qb1 e6 21.Rc1-/+) 20.g5 (20.Rb5 Ba8=+) 20...Nd5-/+ 21.Nb5 Nb4 22.Nd4 Qd5 23.Ndf3 Be5 24.Bb4 ab4 25.fe5 Qe4 26.Rf2 Bd5 27.Qf1 b3–+ 28.Qh3 b2 29.Kg2 Rc1 (30.Rf1 Rf1 31.Kf1 Qa4–+) 0–1. Kern,M – Regis,G, Hessen clubgame, 1997.

8.a4 Bf5 9.Na3 (9.cd5 cb5 10.ab5 Qd5=) 9...Nbd7 (9...cb5 10.Nb5 dc4 11.Bc4=) 10.Nd4 (10.bc6 bc6 11.Nd4 c5 12.Nf5 gf5+=) 10...cb5 11.Nab5 (11.Nf5 gf5 12.ab5 Qc7+=) 11...dc4 12.Nf5 gf5 13.Bc4 Nb6 (13...Rc8 14.d3+=) 14.Be2 (14.Bb3 Rc8+=) 14...Rc8 15.0-0 Nbd5 16.Bf3 b6 (16...Qd7 17.Bf6 Bf6 18.d4+=) 17.Qb3 Nb4 (17...Qd7 18.Rac1+/–) 18.d4 (18.Bf6 Bf6 19.d4 Qd7+/–) 18...Ne4 19.Be4 (19.Rfd1 Rc2+/–) 19...fe4+= 20.Nc3 Qc7 21.Ne4 Qc2 22.Qc2 Rc2 23.Ba3 (23.Rab1 f5 24.Ng5 Rfc8+=) 23...Rfc8 (23...f5 24.Ng5+=) 24.Bb4 (24.Rab1 Nd5 25.Rfc1 f5+=) 24...ab4+= 25.Rab1 R8c4 26.g4 Ra2 27.Rb3 (27.Rfc1 Rc1 28.Rc1 Ra4+=) 27...Ra4 28.Rfb1 e6 (28...e5 29.Nd6 Rc6 30.Nf5+=) 29.Kg2 (29.g5 b5+=) 29...Bf8 (29...e5 30.Nd6 Rc6 31.Nf5+/–) 30.Nf6 (30.Kf3 h6+=) 30...Kg7 31.Nd7 b5 32.Nf8 Kf8 33.R1b2 (33.Kf3 h6+=) 33...Ke7 (33...e5 34.de5 Rg4 35.Kf1=) 34.Kf3+= e5 (34...Kf6 35.h4+/–) 35.de5 (35.Ke4 f6+/–) 35...Ke6+= 36.Rd3 Ke5 37.Rbd2 b3 (37...Kf6+=) 38.h3 (38.Rb3 b4+/–) 38...Rab4 (better is 38...Rc2!? 39.Rd5 Ke6 40.Rd6 Ke7 41.Rd7 Kf8+=) 39.Rb2+/– Rc6 (39...Ra4 40.Rbb3 b4 41.Rd7+/–) 40.Rbb3 Rb3 41.Rb3 Rb6 42.Rb4 Kd5 43.Ke2 (43.g5 f6 44.h4 Kc5+/–) 43...Kc5 44.Rf4 b4 (44...f6 45.Kd3 Ra6 46.Kc3 Ra3 47.Kb2+–) 45.Kd2 (45.Rf7 b3 46.Kd3 b2 47.Rf5 Kb4+–) 45...Rd6 (45...f6 46.Kc2 Ra6 47.Kb3 Ra3 48.Kb2+/–) 46.Kc2 Rd7 (46...f6 47.Re4+/–) 47.g5 Kb5 48.Rf6 (48.Kb3 Rd3 49.Kb2 Rd7+–) 48...Ka4 49.Ra6 Kb5 50.Ra8 Rc7 51.Kb3 Rc3 52.Kb2 Rc5 (52...Rd3 53.Ra7 Rd2 54.Kb3 Rf2 55.Rb7 Kc5 56.Rb4+/–) 53.h4 (53.f4 Rc3 54.Re8 Rc7+–) 53...Kc4 (53...Rd5 54.f4 Rd2 55.Kc1+/–) 54.Rd8 Rf5 (54...Rc7 55.Rd6+–) 55.Rd4 (55.f4 h6 56.Rd4 Kc5+–) 55...Kc5 56.f4 Rd5? (56...h6+–) 57.Rd5 Kd5 58.h5 Ke4 59.Kb3 Kf5 60.Kb4 Kg4 61.h6 Kf5 62.Kc5 1–0. Rotstein,Arkadij (2510) – Bezler,Rainer (2250), Triesen LIE, 2003. (=1.c4 Nf6 2.Nf3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 c6)

8.a4 Bg4 9.c5=.

8.a4 Bg4 9.d4=.

8.Nc3 dc4 9.bc6 (9.Bc4 Nd5=) 9...Nc6 10.Bc4 e5 (10...Bf5 11.d4=) 11.0-0 (11.Ba3!?+/-) 11...Bg4 (11...e4 12.Ne1=) 12.Ba3 e4 13.Bf8 Qf8 14.Be2 (14.h3 Bh5 15.g4 ef3=) 14...ef3=+ 15.Bf3 Bf3 16.Qf3 Rd8 17.d4 Qa3 18.Ne4 Ne4 19.Qe4 Qe7 (19...Bf8 20.Rfb1=) 20.Qc2 (20.Qe7!? Ne7 21.Rfb1+=) 20...h5 (20...Qe6 21.Rab1 Rd7 22.Rfd1=) 21.Rab1= h4 22.h3 Rd7 23.Rb6 Qe6 (23...Kh7 24.Rfb1=) 24.Rfb1+= Qe7 (24...Bf8 25.R1b5+=) 25.Qb3+/- Nb4 26.a3 Qd8 27.Rb5 Nd5 28.Rb7 Rb7 29.Qb7 Nc3 (29...Bf8!?+/-) 30.Rb3+- Ne2 (30...Nd5 31.Qb8 Qf8 32.Rb5+-) 31.Kf1 Nc1? (31...Nd4 32.Rd3 Qg5 33.Qc8 Kh7 34.ed4 Qb5+-) 32.Rc3 (32.Rc3 Qd6 33.Rc1 Qa3 34.Rc8 Bf8 35.Qd5+-) 1-0. carlos78 (2150) - elrond (2130), Rated Blitz game, lichess.org, 2014.

8.cd5 cb5 9.Bb5 Nd5 (9...Na6 10.Bf6 Bf6 11.Nc3+=) 10.Bg7+= Kg7 11.0-0 Nc7 (11...Bg4 12.d4+=) 12.Be2 b5 13.Nc3 (13.Qb3 b4+=) 13...b4 14.Na4 Qd6 15.d4 (15.Rc1 Nba6+=) 15...Nd7 16.Qc2 Ba6 17.Rfc1 (17.Rac1 Rfc8+=) 17...Nb5 (17...Rfc8 18.Ba6 Qa6 19.Qe4+=) 18.Nd2 Na3 19.Qd1 Rfc8 (19...Be2 20.Qe2 e5 21.Ne4+=) 20.Nb3 (20.Bf3 Rab8+/–) 20...Be2+= 21.Qe2 Nb6 (21...e5 22.Nbc5 Rc6 23.de5=) 22.Nac5 (22.Rc8 Rc8 23.Qa6 Rb8 24.Qa5 Nbc4+=) 22...a4 (22...e5 23.Nb7 Qd5 24.Rc8 Nc8 25.N3c5=) 23.Nd2 Qd5 (23...e5 24.Nde4 Qd5 25.Rd1+=) 24.Nf3+/– Qc6 (24...Qh5 25.e4 Ra5 26.Qd2+/–) 25.Ne5 Qb5 (25...Qd6 26.Qb2 Nd5 27.Ned3+/–) 26.Qf3 f6? (26...Qe8+/–) 27.Qb7?? (better is 27.Ne6 Kh8 28.Nf7 Kg8 29.Nh6 Kh8 30.Qb7+–) 27...fe5+= 28.Qe7 Kg8 29.Ne4 Nd7 30.Nd6 Qd5?? (30...Rc1 31.Rc1 Qd5 32.Qd7 Qa2+–) 31.Nc8 (31.Qd7 Rd8 32.Qg4 Qd6 33.de5 Qe7–+ (worse is 33...Qe5 34.Qb4 Qd6 35.Qd6 Rd6 36.Rc3-/+)) 31...Nc4 32.e4 Qc6 33.Qe8 Kg7 34.Rc4! Qc4 35.Qd7 Qf7 (35...Kh6 36.Nb6 Qc3 37.Rd1+–) 36.Qf7 (better is 36.Qc6 Rc8 37.Qc8 ed4+–) 36...Kf7 37.Nb6 Ra6 38.Nd5 1–0. Mandetta,Joao Danilo (2265) – Gomes,Luis Gustavo M. Nev (2005), Botafogo BRA, FEXERJ Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 c6)

6.b5 d5

7.a4 dc4 8.Bc4 c6 9.0-0 cb5 10.ab5 Nbd7 11.Be2 Nb6 12.d4 e6 13.Nbd2 Bd7 14.Qb3 a4 15.Qd1 Re8 16.Ba3 Bf8 17.Bf8 Rf8 18.Nc4 Nc4 19.Bc4 a3 20.Qb3 Qa5 21.Ne5 Rfd8 22.Nd7 Rd7 23.f3 Nd5 24.e4 Nb6 25.d5 ed5 26.ed5 Nc4 27.Qc4 Qd2 28.Rfd1 Qe3 29.Kh1 Kg7 30.Qe4 Qe4 31.fe4 Re8 32.Re1 b6 33.Kg1 h5 34.Ra3 Rd5 35.Rae3 Rb5 36.Kf2 Rb2 37.Kf3 b5 38.h3 b4 39.g4 b3 40.gh5 gh5 41.Rc3 Re6 42.Ree3 Rb1 43.Rb3 Rb3 44.Rb3 Kg6 45.Rb5 f6 46.Kf4 h4 47.Rb8 Rc6 48.Rg8 Kh7 49.Rf8 1–0. Adamkosh (1855) – damis86 (2040), lichess.org, 2019.

7.a4 dc4 8.Bc4 c6 9.0-0 c5 10.Qb3 b6 11.Nc3 (11.Ne5 e6+=) 11...e6 12.Rad1 Bb7 13.Be2 Nbd7 14.d4 Qc7 15.d5 (better 15.Rd2!?=) 15...ed5-/+ 16.Nd5 Bd5 17.Bc4? (better 17.Rd5 Nd5 18.Bg7 Kg7 19.Qd5-/+) 17...Bc4 (17...Bf3 18.gf3 Ne5 19.Be2-+) 18.Qc4 Rad8 19.Ng5 (19.Rd3 Rfe8-+) 19...h6 20.Nf7 (20.Nf3-+) 20...Rf7 21.Rd2 Nf8 22.Rfd1 Rd2 23.Rd2 Kh7 24.Bf6 Bf6 25.Rd5 Rd7 26.e4 (26.h3 Rd5 27.Qd5 c4-+) 26...Rd5 (26...Re7 27.Rd1-+) 27.ed5 Be5 (27...Bd4 28.Qe2-+) 28.g3 (28.h3 Qd6-+) 28...Qf7 29.f4 (29.Qe4 Bd4 30.Qf4 Qf4 31.gf4 c4-+) 29...Bd6 (better 29...Bd4!? 30.Kf1-+) 30.Qe4 Nd7 31.Qe6 (31.Kf1 Qf5 32.Qe6 Qe6 33.de6 Nf8-+) 31...Qe6 32.de6 Nf6 (32...Nf8!? 33.e7 Be7 34.Kf2-+) 33.Kg2 Kg7 34.Kf3 Kf8 35.g4 Ke7 36.f5 gf5 37.gf5 Bh2 38.Kg2 Bd6 39.Kf3 h5 40.Kg2 h4 41.Kh3 (41.Kg1 h3 42.Kf2 c4 43.Ke2 h2 44.Kf3 h1Q 45.Kf2 Ng4 46.Ke2 Qg2 47.Kd1 Ne3 48.Kc1 Qc2) 41...Bg3 (41...c4 42.Kg2 c3 43.Kg1 c2 44.Kf1 c1Q 45.Ke2 Qc2 46.Kf1 h3 47.Ke1 Bb4 48.Kf1 Qg2) 42.Kg2 Kd6 (42...c4 43.Kg1 c3 44.Kg2 c2 45.Kf1 c1Q 46.Ke2 Qc2 47.Ke3 Ng4 48.Kd4 Kd6 49.f6 Be5) 43.Kh3 Ng8 (43...c4 44.e7 Ke7 45.Kg2 c3 46.Kf3 c2 47.Ke3 c1Q 48.Ke2 Qc2 49.Ke3 h3 50.Kd4 Bf2 51.Ke5 Qe4) 44.Kg2-+ Ke5 45.f6 Kf6 46.e7 Ke7 47.Kh3 (47.Kf1 h3 48.Kg1 h2 49.Kh1 c4 50.Kg2 c3 51.Kf3 h1Q 52.Kg3 c2 53.Kf2 c1Q 54.Kg3 Qe3 55.Kg4 Nh6) 47...Ke6 (47...c4 48.Kg2 c3 49.Kf3 c2 50.Ke3 c1Q 51.Kf3 Qe1 52.Kg4 Nf6 53.Kg5 Qe5 54.Kg6 Qh5 55.Kg7 Qh7) 48.Kg2 Kd5 (48...c4 49.Kg1 c3 50.Kg2 c2 51.Kf1 c1Q 52.Ke2 Qc2 53.Ke3 Bf2 54.Kf3 h3 55.Kf4 Qf5) 49.Kh3 (49.Kh1 c4 50.Kg1 c3 51.Kg2 c2 52.Kf3 c1Q 53.Kg2 Nf6 54.Kf3 Qf1 55.Ke3 Bf4) 49...Kc4 (49...c4 50.Kg2 c3 51.Kf3 c2 52.Ke3 c1Q 53.Ke2 Qe1 54.Kd3 Qd1 55.Ke3 Kc4 56.Ke4 Qd3) 50.Kg2 (50.Kg4 Kb3 51.Kg5 c4 52.Kg6 c3 53.Kh7 h3 54.Kg6 h2 55.Kh5 h1Q 56.Kg4 Qh4 57.Kf3 c2 58.Kg2 c1Q 59.Kf3 Qhf4 60.Ke2 Qfe3) 50...Kb4 (50...Kd3 51.Kf3 c4 52.Kg4 c3 53.Kg5 c2 54.Kf5 c1Q 55.Kg4 Qf4 56.Kh3 Qf5 57.Kg2 Ke2 58.Kh1 Qf1) 51.Kh3 Ka4 (51...c4 52.Kg2 c3 53.Kf3 c2 54.Ke4 c1Q 55.Kd3 Qd1 56.Ke4 Ne7 57.Ke3 Kc4 58.Ke4 Qd3) 52.Kg4-+ Kb5 53.Kf5 a4 54.Ke4 a3 55.Kd3 (55.Kf3 a2 56.Ke4 a1Q 57.Kd3 Qd1 58.Ke4 Ne7 59.Ke3 h3 60.Ke4 Qe2) 55...a2 56.Ke2 (56.Ke3 a1Q 57.Kd2 Qa2 58.Kd3 Nf6 59.Ke3 Kc4 60.Kf3 Qf2) 56...a1Q 57.Kf3 (57.Kd2 Qa2 58.Ke3 Qf2 59.Ke4 Nf6 60.Kd3 c4 61.Kc3 Be5) 57…Qd4 (57...Qd4 58.Ke2 Kc4 59.Kf3 Qd5 60.Kg4 Nf6 61.Kh3 Qh1; 57...Qf1 58.Ke3 Kc4 59.Kd2 Bf4 60.Kc2 Qc1) 0-1. Pandeleski (2305) - zumpili (2425), Rated Bullet game, lichess.org, 2021.

7.Nc3 dc4 8.Bc4 b6 9.0-0 Bb7 10.Rc1 (10.d4 Nbd7+/-) 10...Nbd7 11.Be2 (11.d4 e6+=) 11...Nc5 12.d4 Nce4 13.Qc2 Rc8 14.Ba3 (14.Ne5 Nc3 15.Qc3 Nd5+=) 14...Re8 (14...c5 15.dc5 Nc5 16.Rfd1=) 15.Ne5+= Nc3 16.Qc3 Nd5 17.Qb3 Be5 18.de5 e6 19.Rfd1 Qg5 20.Bf3 Rcd8? (20...c5 21.bc6 Rc6 22.Bd5 Rc1 23.Bb7 Rd1 24.Qd1 Qe5+/-) 21.Bb2 (21.e4 Nb4 22.Bb2 c5+-) 21...Ba8 22.Rd4?? (22.e4 Nf4+-) 22...h5? (better 22...Nc3! 23.Qc3 Bf3=) 23.h4+- Qe7 24.Ba3 (better 24.a3!?+-) 24...Nb4+/- 25.Bb4 ab4 26.Ba8 (26.Qb4 Rd4 27.Qe7 Re7 28.ed4 Bf3 29.gf3 Rd7+/-) 26...Ra8 (26...Rd4 27.Bc6 Rh4 28.Be8 Qe8 29.Qd3=) 27.Rb4 (27.Rc2!?+/-) 27...Ra2+= 28.Rbc4 Ra7 29.Qc3 Rd8 30.g3 (30.Rc7?? Rc7 31.Qc7 Rd1 32.Rd1 Qc7-+) 30...Rd7 31.Rc6 (31.Rd4 Kg7=) 31...Qd8 32.Kg2 Re7 (32...Rd2 33.Rc4= (33.Rc7 Qd5 34.e4 Qe4 35.Qf3 Rf2 36.Kf2 Ra2 37.R1c2 Rc2 38.Rc2 Qc2 39.Ke3 Qc5 40.Kd2 Qd4 41.Qd3 Qd3 42.Kd3 f6-+)) 33.Rc2 (better 33.e4!?=) 33...Qd5=+ 34.Kh2 Qb5 35.Rd2 Kg7 36.Qc2? (36.e4 Qa5=+) 36...Ra1 (36...Qe5 37.Qc4-+) 37.Rc4 (37.Qe4 Ra4 38.Rd4 Rd4 39.ed4 Rd7-/+) 37...c5 (37...Qe5 38.Rc6-+) 38.g4 (38.Qb2!? Qa6 39.Rc1 Rc1 40.Qc1-+) 38...Qc6-+ 39.e4 (39.Qe4 Qe4 40.Re4 b5-+) 39...hg4 40.h5 (40.Qb2 Qa8 41.Rd3 Qa6-+) 40...Qc7 (better 40...gh5!? 41.Qc3 Qb5 42.Rb2-+) 41.Qc3 (41.Qb2 Qa7 42.Rd8 Ra2 43.h6 Kh7-+) 41...Ra8 42.h6 Kh6 43.Kg3 Kg7 (43...Rd7 44.Kg4 Kg7 45.Rd6-+) 44.Rd6 Rh8 (44...Ree8 45.Kg4 Qb7 46.Qf3-+) 45.Kg4 g5 46.Qf3 (46.Kg5 Rf8 Combination) 46...Kg8 47.Qf6 (47.Kg5? f6 48.ef6 Qd6 49.fe7 Qe7 50.Kf4 b5-+). carlos78 (2145) - vlabor64 (2190), Rated Blitz game, lichess.org, 2015.

7.Nc3 dc4 8.Bc4 Nbd7!?=.

7.Nc3 dc4 8.Bc4 Bg4 9.a4 Bf3 (9...Nbd7!?=) 10.Qf3+/– (10.gf3?! c5=) 10...Nbd7 11.Qb7 Ne5 12.Be2 Nd3 13.Bd3 Qd3 14.Qf3 (14.Qc7 Ne4 15.Rd1 Nc3 16.dc3 Qc2+=) 14...Rad8 15.Qe2 Qc2 16.Rb1 (16.d4 Qb3+–) 16...Ne4? (better is 16...Rd3 17.Qd1 Qd1 18.Nd1 Rfd8+/–) 17.Qd1?? (17.d4 Qe2 18.Ke2 Nf6+–) 17...Qd1 (17...Qd2 18.Qd2 Nd2= (worse is 18...Rd2 19.Ne4 Rb2 20.Rb2 Bb2 21.Ke2+/–)) 18.Rd1+– Nc5 19.d4 Nb3 20.0-0 Rc8? 21.Ba3 Rfe8 22.Ne4 f5 23.Nc5 Nc5 24.Bc5 e5 25.Rfe1 e4 26.Kf1 Re6 27.Rc1 g5 28.Rc4 Bf6 29.Rec1 Bd8 30.Ba3 Rh6 31.h3 g4 32.hg4 fg4 33.Ke2 Rh2 34.g3 h5 35.d5 h4 36.Re4 hg3 37.Rg4 Kf7 38.Rg3 Kf6 39.Rc6 Ke5 40.d6 Bh4 41.Rf3 Ke6 42.dc7 Kd7 43.Rf7 Ke8 44.Re7! Be7 45.Be7 Ke7 46.b6 Kd7 47.Rc2 Rhh8 48.f4?? Rh2–+ 49.Kd3 Rc2 50.Kc2 Kc6 51.e4 Kb6 52.e5 Rc7 53.Kd3 Kc5 54.Ke4 Kc6 55.f5 Re7 56.f6 Re6?? 57.Kf5 Kd7= 58.f7 Re5 59.Ke5 Ke7 60.Kd5 Kf7 61.Kc5 Ke7 62.Kb5 Kd7 63.Ka5 Kc7 64.Kb5 Kb8 65.Ka6 Ka8 66.a5 Kb8 67.Kb6 Ka8 68.a6 Kb8 69.a7 Ka8 70.Ka6 ½–½. Fournier,Frederic (1985) – dragoniano77 (2085), Active (5/0), 2004.

7.Nc3 Nbd7 8.Nd5 Nd5 9.Bg7 Ne3 10.fe3 Kg7 11.Be2=.

7.c5 Bg4 8.Be2 Nbd7 9.d4 Ne4 10.Qc2 c6 11.bc6 bc6 12.Nbd2 Rb8 13.Rb1? Bf5! 14.Bd3 Nd2 15.Nd2 Bd3 16.Qd3 Nc5 17.Qc2 Na6 18.0-0 Qc7 19.Ba3 f5 20.Nb3 Rb5 21.Nc5 Nc5 22.Rb5 cb5 23.Qc5 Qc5 24.Bc5 Kf7 25.a3 Rb8 26.Rb1 g5 27.Kf1 Rb7 28.a4 b4 29.Ke2 e5 30.Kd3 e4 31.Kd2 Bf6 32.Rc1 Ke8 33.Kc2 Rc7 34.Kb2 Be7 35.Bb6 Rc1 36.Kc1 Bd8 37.Bc5 Kd7 38.h3 h5? 39.g3 Bc7 40.Kd2 Ke6 41.Kd1 Kf6 42.Kd2 Ke6 43.Kd1 Bd8 44.Kd2 h4 45.gh4 g4 46.hg4 fg4 47.h5 Bh4? 48.h6 Kf7 49.Bb4 Bd8 50.Bd6 1–0. Lundberg – B Haag, corr SSKK M–1 1983.

7.d4 c6 8.a4 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Na3 Na6 12.0-0 Nd5 13.Qb3 Ndb4 14.Bd7 Qd7 15.Nc4 Qf5 16.Rab1 Rab8 17.Na5 (17.Ba3 b6+=) 17...Rfc8 (17...Qa5 18.Bc3 b5 19.Bb4 ba4 20.Qf7 Kf7 21.Ba5 Rb1 22.Rb1 Ra8+=) 18.Nc4+/– b5 19.ab5 Rb5 20.Nce5 e6 21.Qa4 Rb7 22.Ba3 Be5? (22...Bf8 23.Rfc1 Rbc7 24.Re1+/–) 23.Ne5 (23.Bb4!? Qb1 24.Rb1 Rb4+–) 23...Qc2+/– 24.Qc2 Rc2 25.Rb3 Rb8 26.Nd7 Rd8 27.Nf6 Kg7 28.Ne4 Nd5 29.Bd6 Nac7 30.Rb7 Rc6 31.Be5 Kg8 32.Ra1 f5 33.Nc5 Ne8? (33...Rc8 34.g4!+–) 34.h3 (34.Raa7 Rb6+–) 34...Ndf6 (34...Rdc8 35.Raa7 Ndc7 36.f3+–) 35.Re7 (35.Raa7 Rdc8+–) 35...Nd5 36.Re6 (36.Ne6?! Rdc8 37.Raa7 Ne7 38.Re7 Rc2+–) 36...Re6 37.Ne6 Rc8 38.Nc5 Ndf6 39.Ra7 Nd5 40.g4 fg4 41.hg4 Ndf6 42.f3 h5 43.gh5 Nh5 44.Kg2 Nhf6 45.Kg3 Nd5 46.e4 Nb4 47.Nd7 Nc6 48.Ra6 Kf7 49.d5 Nb4 50.Ra7 Kg8 51.Rb7 Nd3 52.Rb8 Rb8 53.Bb8 Nb4 54.Be5 Kf7 55.Bc3 Na6 56.Kg4 Ke7 57.Ne5 Nac7 58.Ng6 Kd6 59.Be5 Kc5 1–0. Sinnwell,Horst – Dargel,Manuel, Ruhrgebiet VL2, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d5)

7.d4 Nbd7 8.Nbd2 a4 9.Rc1 c6 10.Be2 Ne4 11.Ne4 de4 12.Ng5 (12.Nd2 Nf6+=) 12...Nf6 13.h4 h6 14.Nh3 cb5 15.cb5 a3 16.Ba1 Be6 17.Qd2 ½–½. Manic,Jovica (2340) – Jovanovic,Sasa M (2330), YUG–chT Vrnjacka Banja, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d5)

7.d4 Nbd7 8.Nbd2 c5 9.Be2 cd4 10.ed4 (10.Bd4 b6+=) 10...a4 11.0-0 a3 12.Bc3 dc4 13.Nc4 Nd5 14.Bd2 N7b6 15.Ba5 Ra5 (15...Bg4!?=) 16.Na5+/– Nc3 17.Qd2 Nbd5 (17...Bd4 18.Rad1+=) 18.Nb3 (18.Bc4!?+/–) 18...Bg4+= 19.Rac1 (better is 19.Rfe1+=) 19...Bh6+= 20.Qh6 Ne2 21.Kh1 Bf3 22.Rce1 Ndf4 23.gf3 Qd5 24.Nd2 f5 25.Re2 Ne2 26.Qe3 Nd4-/+ 27.Qa3 e5 28.Rc1 b6 29.Qe3 Qb5 30.Rb1 Qc5 31.Kg2 Rd8 32.Nb3 Qd5 33.Rc1 Ne6 34.h3 Nf4 35.Kh2 Qd6 36.Re1? Qf6 37.Rg1 Rd3 38.Qc1 Rf3 39.Qc8 Qf8 40.Qc4 Qf7 41.Qc8 Kg7 42.Rd1 Rh3 43.Kg1 Rd3 1–0. Tomovic,Vasilje – Janosevic,Dragoljub, Belgrade, 1963.

7.d4 Bg4 8.c5 e5 (8...a4 9.Bd3=) 9.h3 (9.de5!? Ne4 10.Be2+=) 9...Bf3+= 10.Qf3 ed4 11.Bd4 Re8 (11...Ne4 12.Qd1+=) 12.Be2 (12.Nc3 Nbd7 13.Rd1 c6=) 12...Nbd7 (12...Ne4 13.Nd2 Nc5 14.Bg7 Kg7 15.Rc1+=) 13.0-0 (13.Nc3 Nc5 14.0-0-0 Nce4 15.Bf6 Nf6 (15...Qf6?! 16.Qf6 Bf6 17.Nd5=) 16.Nd5 Nd5 17.Rd5 Qe7-/+) 13...Ne5 (13...Ne4 14.Bg7 Kg7 15.c6 bc6 16.bc6-/+) 14.Be5 (better is 14.Qf4!?=) 14...Re5+= 15.Bd3? (better is 15.Nd2!? Ne4 16.Ne4+=) 15...Ne4–+ 16.Be4? (16.Qe2 Rf5 17.Be4 de4–+) 16...Re4?? (better is 16...de4 17.Qe2 Rc5–+) 17.Nd2-/+ Ba1 18.Ne4 de4 19.Qe4 Bg7 20.Qb7 Rb8 21.Qc6 Qf6 22.Qc7 Rb5 23.a4 Rb2 24.Qa5 h5 25.Qc7 Rc2 26.a5 Qc3?? 27.a6 Qa5?? 28.Qb8 Kh7+/– 29.a7 Ra2 30.c6 Qa7?? 31.c7 1–0. pumpkin (2325) – abhailey (2335), net–chess.com, 2009.

7.cd5 Qd5 8.Nc3 Qd6 9.Be2 (9.d4 Bf5=) 9...Bf5 (9...Rd8 10.d4+=) 10.Nd4 (10.0-0 Rd8=) 10...Bd7 11.a4 (11.Qa4 c6=) 11...c5 (11...Re8 12.Nf3=) 12.bc6 Nc6 13.Ncb5 (13.Ndb5 Qc5=) 13...Qb8 (13...Qc5 14.Rc1 Qg5 15.h4+/–) 14.0-0 e5 (14...Qd8 15.Rc1=) 15.Nf3 Rd8 16.d4 e4 (16...ed4 17.Nfd4 Nd4 18.Bd4=) 17.Nd2+= Be6 (17...Nb4 18.Nc3+=) 18.Qb1 (18.Nc3 Bf5+/–) 18...Bf5 (18...Bg4 19.Bd1+=) 19.Rc1 (19.h3 Rd7+=) 19...Rd7 20.Ba3 Bf8 21.Bf8 (21.h3 Ba3 22.Ra3 Qf8+/–) 21...Qf8+= 22.Nc4 Nd5 (22...Rdd8 23.Ne5+/–) 23.g4 Be6 24.Qe4 Re8 25.Ne5 (better is 25.Qg2+/–) 25...f5?? (better is 25...Ne5 26.de5 f5+/–) 26.Nd7+– Qf7 (26...Qe7 27.gf5 gf5+–) 27.gf5 Bf5 (27...Bd7 28.fg6 hg6+– (28...Re4?? 29.gf7 Kf8 30.Bf3+–)) 28.Qd5! (28.Qd5 Bd7 29.Qf7 Kf7 30.Nd6 Ke7 31.Ne8 Ke8 32.Rc5+–) 1–0. Campos Calvo_Sotelo,Juan (1845) – Serrano Baylin,F (1985), Championship de Madrid de Veteranos, 2016.

7.cd5 Qd5 8.Nc3 Qh5 9.d4 Bg4 10.Be2 c5 11.h3 cd4 12.ed4 Rd8 13.0-0 Bf5 14.d5 e6 15.Nd4 Qh4 16.Bf3 a4 17.Rc1 ed5 18.Nf5 gf5 19.Ba3 Nbd7 20.Be7 Nb6 21.Nd5 Nbd5 22.Bd5 Rd5 23.Qd5 Qf2 24.Rf2 Nd5 25.Bc5 Nc3 26.Bb4 (withdrawal, 1–0). Palmkoeck,William – Gnuechtel,Andreas, corr TKM/A004, 2000.

7.cd5 Qd5 8.Nc3 Qh5 9.Be2 Bg4 10.h3 c6 11.Qa4 cb5 12.Nb5 Nc6 13.Rc1 Rad8?? (13...Bd7 14.Bf6 Bf6 15.d4+=) 14.0-0 (better 14.Bf6 Bf6 15.Qg4+-) 14...Bf3 15.Bf3 Qf5 16.Nd4 Nd4 17.Bd4 e5 18.Rc5?? (18.Bc5 e4 19.Bf8 Bf8 20.Bg4 Ng4 21.hg4+=) 18...Rfe8?? (better 18...Qd7 19.Qd7 Nd7 (worse 19...Rd7 20.Re5 Ne8 21.Ra5+/-) 20.Bb7 a4-/+) 19.Ra5 (19.Bb7 Qd7 20.Bc6 Qd6 21.Be8 ed4 22.Bf7 Kf7 23.Qa5 Kg8+/-) 19...Qd3? (19...Qd7 20.Qd7 Nd7+/- (20...Rd7? 21.Be5 b6 22.Bf6 Bf6 23.Rd5 Rd5 24.Bd5+-)) 20.Re5 Qd2? (20...Re5 21.Be5 Nd7 22.Bg7 Kg7+-) 21.Re8 (21.Bb7?! Re5 22.Be5 Qd3+-) 21...Ne8 22.Bg7 Ng7 (22...b5 23.Qb5 Kg7 24.Rd1 Qd1 25.Bd1 Rd1 26.Kh2+-) 23.Bb7 (better 23.Rd1 Qd1 24.Bd1+-) 23...Nf5 24.Bf3 Qb2 25.Qb3 Qf6 26.Rd1 h5 27.Rd8 Qd8 28.a4 Qc7 29.Qb5 Nh4 (29...Qc1 30.Qf1 Qc3 31.Qd1+-) 30.Qd5 (30.Be4 Qc3+-) 30...Qc1 31.Kh2 Qc7 32.g3 Nf5 (32...Nf3 33.Qf3 Qa5 34.Qc6+-) 33.Kg2 h4 34.g4 Ne7 35.Qa8 Kg7 36.a5 Qc2 37.Qb7 g5 1-0. bjoernsen (2435) - juliopovsky (2400), Rated blitz game, lichess.org, 2022.

7.cd5 Nbd7 8.d3 Nd5 9.Bg7 Kg7 10.Qc2 N7b6 11.a3 Bd7 12.Be2 Kg8 13.d4 c6 14.bc6 Bc6 15.Nc3 Rc8 16.Nd5 Bd5 17.Qd1 a4 18.Rc1 (better is 18.Qb1!?=) 18...Qd6-/+ 19.0-0 Qa3 20.Ra1 Qd6 21.Nd2 Rc3 22.Bf3 Bf3 23.Qf3 Rc2 24.Ne4 Qb4 (24...Qc6 25.Nc5 Qf3 26.gf3+=) 25.Ng5 (better is 25.Nc5!? Rb8 26.Rab1=) 25...h6 26.Qe4 Rc6 27.Nf3 Qd6 28.Rfb1 Rc7 29.Qh4 Kg7 30.Ne5 a3 31.g3 Rfc8 (31...f6 32.Nf3-/+) 32.Qf4 f6–+ 33.Nd3 Qf4 34.Nf4+= a2 35.Ra2+= Rc1 36.Rc1 Rc1 37.Kg2 Nc4 38.Ra7 Rb1 39.Nd3 Kf7= 40.Nc5 b6 41.Nd3 Rb3 42.Nf4 Rb2 43.Nd5 Kf8 44.Kf3 e5 45.Nf6+/– Nd2 46.Kg2 ed4 47.ed4 b5 48.d5 Nc4 49.Ne4 Ne3= 50.Kf3 Nd5 51.Nd6 b4 52.h4 Nc3 53.Rb7 Kg8 54.Ke3 Nd5 ½–½. Gregorio,Santiago – Denayer,Eric (2185), Ludison op, 1996. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 a5 6.b5 d5)

7.Be2 dc4 8.Bc4 a4 9.a3 b6 (9...Nbd7!?=+) 10.Nc3 Bb7 11.Be2 (11.0-0 Qd6+=) 11...Nbd7 12.Na4 Ra5 13.Nc3 Nc5 (13...e5 14.0-0=) 14.d4+= Nce4 (14...Nfe4 15.0-0+=) 15.0-0 Nc3 (15...Qd6 16.Qc2+=) 16.Bc3+/- Bf3 (16...Ra7 17.Ne5+/-) 17.gf3 (17.Bf3 Rb5 18.a4 Rf5+-) 17...Ra8 18.e4 (18.f4 Qd7+/-) 18...Nh5+= 19.Qd2 (19.Kh1 Nf4+=) 19...e5 20.Bb4 (better 20.de5!? Qh4 21.Qb2=) 20...Nf4 21.Kh1 (21.Bf8?? Qg5 22.Kh1 Qg2) 21...Re8 22.d5 (22.Bc4 Qf6=+) 22...Qh4 23.Bc4?? (better 23.Qc2=+) 23...Qh3-+ 24.Qf4 ef4 25.Rac1 Qf3 26.Kg1 Re5 (26...Re5 27.Rfe1 Qh3 28.Be7 Rh5 29.Bh4 Rh4 30.Re3 fe3 31.fe3 Qe3 32.Kf1 Rg4 33.e5 Rg1) 0-1. carlos78 (2170) - vlabor64 (2170), Rated Blitz game, lichess.org, 2015.

7.Be2 dc4 8.Bc4 c6 9.Be2 cb5 10.Bb5 Nc6 11.a4 Bf5 12.Be2 (12.d4 Nb4 13.Na3 Ne4=) 12...Nb4=+ 13.d4? (better 13.Na3=+) 13...Nc2-+ 14.Kf1 Na1 15.Ba1 Ne4 16.Bd3 Qb6?? (16...Qd5 17.Ne1-+) 17.Be4? (better 17.g4 Nf2 18.Kf2 Bg4 19.Rg1=) 17...Be4-+ 18.Nbd2 (18.Nc3 Bc6-+) 18...Bd3 19.Kg1 Rad8 (19...Qb4 20.Nb3 Bf5 21.Nc5-+) 20.Qb3 Bf5?? (better 20...Rc8 21.h3 Qb3 22.Nb3 b6-+) 21.Qb6+- e6 22.Ne5 (better 22.e4 Bg4+-) 22...Be5 23.de5 (better 23.e4 Bf4 24.ef5 Bd2 25.fe6 Rc8+-) 23...Rd2 24.Bd4 (better 24.h4 Rc8 25.Bd4+- (25.Qa5?! Rc1 26.Kh2 Rh1 27.Kh1 Rd1 28.Kh2 Ra1+-)) 24…Rd1. hurvajsmanka (1660) - onlichess (1740), Rated Bullet tournament, lichess.org, 2014.

7.Be2 dc4 8.Bc4 Nbd7 9.d4 Nb6 10.Be2 a4 11.a3 Bd7 12.0-0 Qe8 13.Nc3 Nfd5 14.Nd5 Nd5 15.e4 (15.Qd3!?+=) 15...Nf4=+ 16.Bc4 Bb5 17.Bb5 Qb5 18.Qd2 (18.Rb1 f5 19.Ba1 Qa6-/+) 18...Ne2 (18...Bh6!? 19.Qc2 Qb3-/+) 19.Kh1=+ Rad8 20.Rfd1 (20.Rfb1 Qc4 21.d5 Nc3 (worse 21...Qe4 22.Bg7 Kg7 23.Rb4 Qd5 24.Qe2+-) 22.Bc3 Qc3 23.Qc3 Bc3=+) 20...c5 21.Rab1 Qc4 (better 21...Nd4!? 22.Bd4 Qa6-/+) 22.d5+= b5 0-1. peoncuatrorey (2005) - gmcolonia (2040), Rated Bullet game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5)

7.cd5 Nd5

8.Bg7 Kg7 9.Qb3 c5 10.bc6 Nc6 11.Bc4 a4 12.Qb2 Nf6 13.0-0 Na5 (13...Bg4 14.Be2=) 14.Bb5 1-0. Bogumil,T (2180) - Granara Barreto,S (2155), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5)

8.Bg7 Kg7 9.Qb3 Be6 10.Nd4 Bc8 11.Bc4 Nb6 Black intends a4 12.Be2 a4 13.Qb2 Kg8 14.Na3 e5 15.Nf3 e4 16.Nd4 N8d7 17.Rc1 Ne5 18.0-0 Qg5 (18...Bg4!? 19.Bg4 Ng4=) 19.f4+/- (worse 19.Rc7 Bh3 20.g3 Bf1 21.Kf1 Rab8=+) 19...ef3 20.Nf3 (worse 20.Bf3 Nd3 21.Qc2 Nc1 22.Rc1 Rd8=) 20...Nf3 21.Bf3 Qe7 22.Nc4 Be6 23.Nb6 cb6 24.a3 Rac8 25.Qd4 Rc1 26.Rc1 Qa3 27.Rb1 Bb3 28.Qb6 (better 28.Bb7!? Qc5 29.Qc5 bc5 30.Kf2=) 28...Qa2-/+ 29.Rf1 Qd2 30.Bb7 a3 (30...Bc4 31.Ra1 Re8 32.Qd4 Qd4 33.ed4 Bb5 34.d5-/+) 31.Qd4 (31.Bc6 a2 32.Qc5 Rd8-/+) 31...Qa5 (31...Qd4 32.ed4 Rd8 33.Ra1-/+) 32.Bc6 a2 33.Ra1?? (33.b6 Rb8 34.b7 Be6=) 33...Rb8?? (better 33...Rd8 34.Qe5 Rd1 35.Rd1 Bd1 36.Qe8 Kg7 37.Qe5 f6 38.Qe7 Kh6 39.Qf6 Qe1 40.Qf1 Qf1 41.Kf1 a1Q-+) 34.Qb2= Be6 35.h3 Qb6 36.Qd4 Qa5 (36...Qd4 37.ed4 Rd8 38.d5 Bd5 39.Bd5 Rd5 40.b6-/+) 37.Kh1 Qc7 38.Qb2?? (better 38.e4=) 38…Qc6!!-+ (38...Qc6 39.Qa2 Rb5 (39...Ba2?! 40.bc6 Be6 41.c7-+; worse 39...Qb5 40.Qd2-+) 40.Qa8 Qa8 41.Ra8 Kg7-+) 0-1. bjoernsen (2405) - IsraeliViper (2440), Rated blitz game, lichess.org, 2022.

8.Bg7 Kg7 9.Qc1 Bg4 10.Be2 f6 (10...e5 11.Nc3=) 11.0-0 (11.Qc4 Qd7+=) 11...Nd7 (11...e5 12.Nc3=) 12.Nc3+= Nc3 13.Qc3 Nb6 14.Rfc1 Rc8 (14...Nd5 15.Qc4 Be6 16.Qh4+/-) 15.Qa5 Qd6 16.Qc3 e5 17.Qc5 (better 17.h3 Nd5 18.Qc5+/-) 17...Na4? (better 17...Qc5!? 18.Rc5 e4+/-) 18.Qc2 (18.Qc4 Bf3 19.Bf3 Nb2+-) 18...Nb6 19.h3 (19.Qe4!? Be6+-) 19...Bf5+/- 20.d3 Rfd8 21.e4 Be6 22.a4 Nd7 (22...c6 23.Qb2 cb5 24.Rc8 Rc8 25.ab5+/-) 23.a5 (23.d4 ed4 24.Rd1 c5 25.bc6 Rc6+/-) 23...b6 (23...c6 24.Qb1+/-) 24.a6 (24.d4 ed4 25.Ra4 d3 26.Bd3 c6 27.bc6 Nc5+-) 24...Nc5+/- 25.Rd1 (better 25.Qb2+/-) 25...Bb3= 26.Qc3 Bd1 27.Rd1 c6 (27...Ne6!?=+) 28.d4+= ed4 29.Nd4 (worse 29.Rd4 Qe7 30.Rd8 Qd8 31.bc6 Rc6=+; worse 29.Qd4 Qe7 30.Qa1 Rd1 31.Qd1 cb5 32.Bb5 Ne4-/+) 29...Ne4 (29...Qe5 30.bc6 Ne4 31.Qe3=) 30.Qc2 (better 30.Qc4 Kh8 31.Nf3 Qd1 32.Bd1 Rd1 33.Kh2+-) 30...Qf4?? (30...Qe5 31.Nc6 Rd1 32.Qd1=) 31.Bf3 (31.Ne6 Kh6 32.Nf4+- (32.Rd8?! Qf2 33.Kh2 Qg3 34.Kh1 Qe1 35.Kh2 Qg3 36.Kg1 Qf2 37.Kh2 Qg3=; 32.Nd8?! Qf2 33.Kh1 Ng3 34.Kh2 Ne2 35.Qd2 g5+/-)) 31...Ng5 32.Nc6 (better 32.Bg4!? Rc7 33.Nc6 Rd1 34.Qd1+=) 32...Nf3=+ 33.gf3 Rd1 34.Qd1 Qf5 35.Qe2 Rc7 36.a7 Qg5 37.Kh1 Rc8 (37...Qc1 38.Kg2 Qa3 39.f4=) 38.Qe7 Kh6 39.Qb7?? (39.Qe3 Ra8=) 39...Qc1 (better 39...Re8 40.Ne7 Qb5-/+) 40.Kh2 Qf4 41.Kg2 Qg5 42.Kh1?? (42.Kh2 Qf4 43.Kg2 Qg5 44.Kh2 Qf4=) 42...Qc1?? (better 42...Re8 43.Ne7 Qb5-+) 43.Kg2= Qg5 44.Kh2 Qf4 45.Kg2 Qg5 ½-½. pacal56 (2235) - mecker (2250), Rated Blitz game, lichess.org, 2014.

8.Bg7 Kg7 9.Qc2 Nd7 10.Qb2 f6 11.d4 N7b6 12.Be2 Bd7 13.0-0 c6 14.Na3 Na4 15.Qd2 Nac3 16.bc6 Bc6 17.Bd3 Na4 18.Rfc1 Nb4 19.Be2 Rc8 20.Nc2 Nd5 21.Nce1 b5 22.e4 Nb4 23.d5 Bd7 24.a3 Rc1 25.Rc1 Na6 26.Nd3 Qb6 27.h4 b4 28.ab4 ab4 29.h5 Nc3 30.Rc3 bc3 31.Qc3 Rc8 32.Qa1 Nb4 33.e5 Nd3 34.Bd3 Qc5 35.ef6 ef6 36.h6 Kf7 37.Qa2 Qc1 38.Kh2 Qf4 39.Kg1 Rc1 40.Bf1 g5 41.Nd2 Kg6 42.g3 Qd4 43.Nf3 Qe4 44.Qd2 Ra1 45.Ne1 Qe1 46.Qd3 1-0. klavdiy71 (2415) - Zobbie (2445), Rated blitz game, lichess.org, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5)

8.Bg7 Kg7 9.Be2 Qd6 10.d4 (10.Nc3 Nc3 11.dc3 Nd7=) 10...Nd7 (10...Bf5 11.Nbd2 Nc3 12.Qb3 Ne2 13.Ke2=) 11.0-0 N7b6 12.Ne5 (12.Bd3 Bg4=) 12...Bf5 13.Bd3 Bd3 (13...f6 14.Nf3 Bd3 15.Qd3=+) 14.Nd3= Nd7 (14...Rfe8 15.Nd2=) 15.Nd2 Nb4 16.Nb4 (16.Nf4 e5 17.Nc4 Qe7 18.de5 Ne5+=) 16...ab4= 17.Qb3 Ra3 18.Qb2 Ra5?? (18...Ra4 19.Qb3 Rfa8 20.Ne4=) 19.Rfc1 (better 19.Nc4 Qd5 20.Na5 Qb5+–) 19...Rfa8?? (better 19...Rb5 20.Ne4 Qb6=+) 20.Nb3 (20.Nc4 Qd5 21.Na5 Ra5 22.Qb4 Qb5 23.Qb5 Rb5 24.Rc7 Nf6 25.Re7 Nd5+–) 20...b6?? (better 20...Rb5 21.Nc5 Nc5 22.Rc5 Rba5-/+) 21.Rc6+– Qd5 22.Rc7?? (22.Na5 ba5 23.Rc7 Qb5+–) 22...Qb5?? (22...R5a7 23.Ra7 Ra7 24.Rc1=) 23.e4?? (better 23.Na5 ba5 24.e4+–) 23...Qd3?? (23...R5a7 24.d5 Nf6 25.Ra7 Ra7 26.Rd1+=) 24.h3 (better 24.Na5 ba5 25.Rd7 Qe4 26.d5 Kg8 27.Qb1+–) 24...R8a7 (24...R5a7 25.Ra7 Ra7 26.Re1=) 25.Ra7 (25.Rc8 Ra3 26.f3 Qa6+=) 25...Ra7= 26.Re1 Qc3 27.Re2 Nf6 28.f3 Rc7 29.Qc3 bc3 30.Rc2 b5 31.Kf2 Nd7 32.d5 Nb6 33.Nd4 Rc5 34.Ke2 Na4 35.Nb3 Rc7 36.a3 f6 (better 36...Kf6!?=) 37.Nd4+– Rb7 38.Nc6 (38.Kd3 h5+–) 38...Kf8 39.Rc1 Ke8 40.Kd3 Kd7 41.Rb1 (41.Nd4 f5 42.ef5 b4 43.ab4 Rb4 44.fg6 hg6+–) 41...Kd6 (better 41...e5!?+=) 42.Nd4+– Kc5 43.Rb4 h6 44.h4 Rb6 45.g4 Rb7 (45...h5 46.gh5 gh5 47.Nb5 Rb5 48.Ra4+–) 46.Nb5! Rb5 47.Ra4 Rb1 48.Rc4 (48.Kc3?! Rf1 49.Rc4 Kd6+–) 48...Kd6 49.Rc3 (49.Kc3?! Rf1+–) 49...Rh1 (49...Ra1 50.Ke3+–) 50.a4 Ra1 51.Rc6 Ke5 (51...Kd7 52.e5! Rd1 53.Kc4 Rc1 54.Kb5 Rb1 55.Ka6 fe5 56.a5+–) 52.Re6 Kf4 53.Re7 Kf3 54.g5! hg5? (54...fg5 55.hg5 Combination; 54...hg5 55.hg5 Combination) 55.hg5 Ra3 56.Kc4 fg5 57.d6 Ra4 58.Kc5 Ra8 (58...Ra1 59.d7 Rd1+–) 59.d7 Rd8 60.e5 (60.e5 g4 61.Rf7 Kg3 62.e6+–) 1–0. Laurent,Ju (2270) – Torres Ganuza,F (2040), 28th Gros Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d5)

6.b5 d6

7.a4 Nbd7 8.Qc2 e5 9.Nc3 Re8 10.d3 b6 11.Be2 Bb7 12.0-0 e4 13.Ne4 Ne4 14.Bg7 Kg7 15.de4 Be4 16.Qb2 Qf6 17.Nd4 Kg8 18.f3 Bb7 19.e4 Nc5 20.Rfd1 Qf4 21.Qd2 Qd2 22.Rd2 Re5 23.Bd1 Rf8 24.Bc2 f6 25.Re1 Rfe8 26.Rde2 Kf7 27.Kf2 R5e7 28.h4 Re5 29.g3 R5e7 30.Kg2 Nd7 31.Bb3 Kf8 32.Kf2 Ne5 33.Rh1 f5-/+ 34.ef5? Nd3–+ 35.Kf1 Re2 (36.Ne2 Bf3–+ (36...gf5?! 37.Nd4=+)) 0–1. puppetmaster (1930) – oncegood (2255), Dos Hermanas Internet Section, 2003.

7.Qc2 c5 8.Be2=.

7.Qc2 e5 8.d4 (8.e4 Nbd7=) 8...ed4 (8...e4 9.Nfd2 Bf5 10.Nc3+=) 9.Nd4 Nbd7 10.Nd2 (10.Be2 Nc5=) 10...Re8 (10...a4 11.Bd3=) 11.Be2 Nc5 12.N2b3 (12.0-0 Qe7=) 12...Nfe4 (12...a4 13.Nc5 dc5 14.Nf3=+) 13.Nc5 (13.Bf3 Nb3 14.ab3 Qh4=) 13...Nc5 (13...dc5 14.Nb3=) 14.0-0 Qe7 (14...Qg5 15.Rfd1=) 15.Bf3 Ne4 (15...Qg5 16.Rfd1=) 16.Rac1 (16.Rad1 a4=) 16...Bd7 (16...a4 17.a3=) 17.Rfd1 b6 (17...a4 18.a3=) 18.Qb1 (18.Qd3 Qh4 19.Be4 Qe4=) 18...Rad8 19.Qa1 (19.a3 Qh4 20.g3 Qe7=) 19...f5 (19...Qh4 20.g3 Qg5 21.Ne6 Bb2 22.Ng5 Ba1 23.Ne4= (23.Be4? Bf6–+)) 20.Ne2+= Bc8 (20...Bb2 21.Qb2 Be6 22.Nd4+=) 21.Nf4 Be5 22.Be5+/– de5 23.Nd5 Qf7 24.Be4 fe4 25.Rd2 Rd6 26.a4 h5 27.Qc3 Be6 28.Rcd1 Red8 29.h3 Kh7? 30.Qc2 Qf5+/– 31.Qb3 g5 32.Qc3 h4 33.Ne7 Qf6+/– 34.Rd6 Rd6 35.Rd6 cd6 36.Nd5 Qf8 37.Qc2 Bf5 38.Qe2 Kh6? 39.Qc2?? Kg6?? 40.Nc3 Qc8 41.Nd5 Qc5 42.Kh2 Kf7 43.f3 Ke8 44.fe4 Be6 45.Qf2 Bd5 46.cd5+/– Ke7 47.g3 hg3+/– 48.Kg3 Qc4? 49.Qf5+– Qa4 50.Qg5 Kf7 51.Qf5 Kg7 52.Qd7 Kg8 53.Qd8 Kf7 54.Qd6 Qe4 55.Qb6 a4 56.Qc7 Kg8 57.Qa5?? Kg7?? 58.Qa7+– Kf8 59.Qc5 Kg7 60.Qe7 Kg6 61.Qe6 Kh7 62.Qf7 Kh6 63.Qe6?? (better is 63.Qf6 Kh7 64.Qg5 Qd5 65.Qh4 Kg6 66.Qg4 Kf7 67.Qa4+–) 63…Kh7= 1–0. Moehring,Norbert – Schulz,Toni, Alpenpokal, 2003.

7.Nc3 Nbd7 8.Be2 e5 9.d3 b6 10.Nd2 Bb7 11.Bf3 Bf3 12.Nf3 Qe7 13.0-0 Nc5 14.Na4 Nd3?? 15.Qd3+= e4 16.Qe2 ef3 17.Qf3 Ne4 18.Bg7 Kg7 19.Rfd1 f5 20.Qe2 Rae8 21.f3 Nf6 22.Kf2 g5 23.Nc3 Qe5=+ 24.Nd5 Nd5 25.cd5 Qh2 26.Qb2 Qe5 27.Qe5 Re5 28.Rac1 Rf7 29.a4 h5 30.Rd3 Kf6 31.Rc4 Ree7 32.g3 Kg7 33.Rdc3 Kf8 34.Kg2 Ke8 35.Kf2 Kd8 36.Rd4=+ Rh7 37.Kg2 Rh6 38.Kf2 Rg7 39.e4 f4-/+ 40.Rd1 fg3 41.Kg3 h4 42.Kg4 Rf6 43.Rdc1 Rf4–+ 44.Kh3 Rgf7 45.Rf1 g4! 46.Kg2 gf3–+ 47.Rcf3?! Rf3 48.Rf3 Rf3 49.Kf3 Ke7 (50.Kg4 Kf6–+) 0–1. Johnston,R – Mazuchowski,T, Detroit, 1991.

7.Nc3 e5 8.d3 Re8 9.Qc2 c6 10.a4 d5 11.cd5 cd5 12.Be2 d4 13.Ne4 Nd5 14.ed4 ed4 15.0-0 Nf4 16.Bd1 Bf5= 17.Re1 Nd7 18.Nd4 Nd3 19.Qd3= Nc5 20.Qc4 Ne4 21.Nf5?? Bb2–+ 22.Nh6? Kg7 23.Rb1 Bd4 24.Nf7 Qf6 25.Rf1 Nd2 26.Qd5 Qf2!! (26...Qf2 27.Rf2 Re1#) 0–1. Retamozo,H (2260) – Cornejo P,G (2195), II Elo Fide Universidad San Marcos, Lima, 2007.

7.Nc3 e5 8.d4 e4 9.Nd2 Re8 10.Qc2 Bf5 11.g3 (11.h3 a4+/–) 11...Nbd7 (11...c5!? 12.dc5 dc5=) 12.Bg2 Qe7 13.0-0 (13.h3!? g5 14.g4+=) 13...h5 14.Ba3 Qe6 15.Rfc1 Rac8 16.d5 Qe7 17.Nb3 b6 (17...Ne5!? 18.Na4 Nd3+=) 18.Nd4+= Ne5 19.Nf5 (worse is 19.Ne4 Ne4 20.Be4 Nf3 21.Nf3 Be4+= (21...Qe4?! 22.Qe4 Re4 23.Rab1+=)) 19...gf5 20.Ne2 Nd3 21.Rf1 Ng4 22.Rad1 h4 23.Rd3 (better is 23.h3 Nge5 24.Nd4+=) 23...ed3–+ 24.Qd3 hg3 25.hg3 (better is 25.Ng3!? Qh4 26.h3 Ne3 27.fe3 Qg3 28.Bc1+=) 25...Ne3!–+ 26.Nd4 (26.Qe3 Qe3 Double attack; 26.fe3 Qe3 Double attack) 26...Bd4 (26...Nf1 27.Nf5 Qf6 28.Bf1–+) 27.Qd4 Ng2 (better is 27...Nf1!? 28.Bf1 Qe5–+) 28.Bb2-/+ f6! 29.Kg2 (29.Qf6 Qf6 Combination) 29...Qe4 30.f3? (30.Kh3 Re7 31.f3 Qc2–+) 30...Qd4 (better is 30...Qc2!? 31.Rf2 Re2–+) 31.Bd4-/+ Kf7 32.Kf2 Rh8 33.Ke3 Rce8 34.Kd3 Rh2 35.Rf2 Rf2 36.Bf2 Rh8 37.Ke2 Rh1 38.Bd4 Kg6 39.Kd3 Rh2 40.a4 Ra2 41.Kc3 Ra4 42.Kb3 Rb4 43.Kc3 Rb1 44.Kc2 Rf1 45.c5 dc5 46.Be3 Rf3 47.Bc5 bc5 48.d6 cd6 49.b6 Re3 (49...Rg3 50.b7 Rg4 51.b8Q Rc4 52.Kd2 Rd4 53.Ke2=) 0–1. Hermann,Matthias – Panzer,Peter, Regionalliga Nord, 1982. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6)

7.d3 Nbd7 8.Qc2 e5 9.Nc3 Nc5 10.Be2 Re8 11.Nd2 a4 12.Ba3 e4 13.d4 Nd3 14.Bd3 ed3 15.Qd3 Bf5 16.Qe2 Nh5 17.0-0 Bd4 18.Rac1 Bg7 19.Qf3 Qc8 20.h3 Nf6 21.e4 Be6 22.Nd5 Nd7 23.b6 c5 24.Nc7 Nb6 25.Ne8 Qe8 26.Qd3 Qc6 27.Qc2 Nd7 ½–½. Hecht – Geller, Moscow 1977.

7.Be2 b6 8.0-0 Bb7 9.Nc3 c5 (9...Nbd7 10.Qc2=) 10.bc6+= Nc6 11.Qb3 Rb8 12.Rab1 Nd7 (12...Ne5 13.Nd4+=) 13.Ba3 Ba6 (13...Nce5 14.Ne5 de5 15.Rfd1+=) 14.d4+/– Rb7 (14...Nf6 15.d5 Nb4 16.Bb4 ab4 17.Qb4+/–) 15.Rb2 (15.Qa4 Rc7+/–) 15...Qa8 (15...Nf6 16.Bd3+/–) 16.Rfb1 Rc8 17.Bd3 (17.Rd2 Nf6+/–) 17...h5 (17...a4!? 18.Qc2 Na5+=) 18.Ng5 Nd8 (18...Nf6!? 19.Rc2+/–) 19.Nd5+– Bf8 (19...Nc6 20.Rd2+–) 20.Qc2 Kg7 (20...Kh8 21.Qa4+–) 21.Nb6 (21.h3 b5 22.Nf4 Nf6+–) 21...Nb6 22.Rb6 Rb6 23.Rb6 Rb8 24.Qb2 Rb6 25.Qb6 Bb7 26.d5 f6 27.Bd6 ed6 28.Qc7 Kh6 29.Qh7 (29.Qh7 Kg5 30.Qg6 Kh4 31.Qg3#) 1–0. Sternik,Ryszard – Wartig,Wolfgang, corr SOK–96–114, 1996.

7.Be2 b6 8.0-0 Bb7 9.d4 Nbd7 10.Nc3 e5 11.de5 (11.Qc2 Qe7=) 11...Ne5 (11...de5 12.Ba3 Re8 13.Qc2=) 12.Ne5 de5 13.a4 (13.Qb3 Ne4 14.Ne4 Be4=) 13...Qe7 (better 13...Qd1!? 14.Rfd1 Rfd8=) 14.Ba3+/- (14.Ba3 Qe6 15.Bf8 Bf8 16.Qb3+/-) 1-0. GM_HUSARZ (1995) - Labo534 (1935), Rated Bullet game, lichess.org, 2015.

7.Be2 b6 8.0-0 Bb7 9.d3 e5 10.Nfd2 Nbd7 11.Bf3 Bf3 12.Qf3 Nc5 13.e4 Nh5 14.Nb3 ½–½. Damaso,Rui (2395) – Leonardo,Joao (2295), Young Masters 7th, 1999.

7.Be2 b6 8.0-0 e5 9.d4 ed4 10.ed4 Re8 11.d5 (11.Nc3 d5+=) 11...Nbd7 (11...Nd5 12.Nd4 Nf4 13.Bf3=+) 12.Nc3 (12.Nd4 Ne4+=) 12...Nc5 13.Na4?? (13.Nd4 a4=) 13...Nfd7?? (better 13...Na4 14.Bd4 Nc5-+) 14.Bg7 Kg7 15.Nc5 Nc5 16.Nd4 Bd7 17.Bg4 (17.Nb3 Ne4=) 17...f5 (17...Bg4!? 18.Qg4 Re4=+) 18.Bf3= Qf6 19.Nc6 (19.Nb3 Nb7=) 19...Bc6 20.dc6 Re5 21.Bd5 Rae8 22.Qd2 (22.Rc1 a4=+) 22...Re2-/+ 23.Qf4?? (better 23.Qd1-/+) 23…Qa1!!-+ (23...Qa1 24.g3 Re1-+) 0-1. carlos78 (2175) - Kramnik_1976 (2235), Rated Blitz game, lichess.org, 2014.

7.Be2 b6 8.d4 Bb7 9.0-0 Nbd7 10.Nc3 e6 11.Qd3 d5 12.cd5 Nd5 13.Nd5 Bd5 14.e4 Bb7 15.Qe3 Nf6 16.Bd3 Rc8 17.Ne5 c6 18.bc6+– Bc6 19.Ba3 Re8 20.Nc6 Rc6 21.Bb5 Ng4? 22.Qg3 Rc7 23.Qg4 Qc8 24.Be8 Qe8 25.Bd6 Rd7 26.e5 Qa8 27.Rab1 Qa6 28.d5! b5 29.de6 fe6 30.Qe6 Rf7 31.Rfc1 h5 32.Rc7 Kh7 33.Qf7 b4 34.Qg7 1–0. pierred – amateour_001, Yahoo, 2005.

7.Be2 c5 8.d3 b6 (8...Bf5 9.0-0+=) 9.Nbd2 Bb7 10.0-0 Nbd7 11.d4 Ne4 12.Ne4 Be4 13.Nd2 Bb7 14.Bf3 Bf3 15.Qf3 (worse is 15.gf3 e6-/+) 15...Qc7 16.a4 Rab8 (16...cd4 17.ed4 e5 18.Qd5=) 17.Rac1 Qb7 18.Rc2 Qf3 19.Nf3 (worse is 19.gf3 cd4 20.ed4 Rbc8+=) 19...f5 (19...cd4 20.ed4 Rbc8 21.Re1=) 20.Rfc1 (20.Ng5 cd4 21.ed4 e5+=) 20...Nf6 (20...e5 21.de5 Ne5 22.Rd1+=) 21.dc5+= dc5 22.Ne5 (22.Be5 Rb7 23.Rd2 h6+=) 22...Rb7 (22...Rbd8 23.Kf1=) 23.Rd1+= Ne4 24.f3 Nd6 25.f4 Nf7 (25...Be5!? 26.Be5 Nf7=) 26.Nc6 Bb2 27.Rb2 Nd6 28.Ne5 Rc8 29.Rbd2 Kg7 30.h3 Kf6 31.g4 Ne4 32.Rd7 Rcc7 33.g5 (33.Rc7 Rc7 34.Rd7 Rd7 35.Nd7 Ke6 36.Nb6 Kd6+=) 33...Kg7? (better is 33...Ng5!? 34.Rc7 Rc7 35.Nd7 Ke6 36.Nf8 Kf7 37.fg5 Kf8 38.Rd8 Kf7+=) 34.Rd8 (34.Rc7 Rc7 35.Rd7 Rd7 36.Nd7 Kf7+/–) 34...Nd6+/– 35.Nc6?? (better is 35.Kf2+/–) 35...Nc4+= 36.Ra8 Ne3 (better is 36...Rd7!? 37.Rc1 Ne3+=) 37.Rdd8+= Kf7 38.Rf8 (38.Kf2!? Nc4 39.Rh8+=) 38...Ke6+= 39.Nd8 Kd5 40.Nb7 Rb7 41.Rad8 (41.Rfb8 Rd7 42.Rd8 Rd8 43.Rd8 Ke4 44.Rh8–+) 41...Ke4–+ 42.Kh1 (better is 42.Rf7–+) 42...Kf4 43.Rh8 (43.Rf7 c4 (worse is 43...Kg5 44.Rh7 c4 45.Rc8–+) 44.Rh7 c3–+ (44...Kg5?! 45.Kh2–+)) 43...Kg5 (43...e5!? 44.Kg1–+) 44.Rh7 Rc7 (44...c4 45.Rc8–+) 45.Rd3 (45.Rg8 Nd5 46.h4 Kf6–+) 45...Nc4 (45...f4 46.h4 Kg4 47.Rg7–+) 46.Rg3 Kf6 47.Rh6 e6?? (better is 47...Ne5–+) 48.Rgg6= Ke5 49.Re6 Kf4?? (better is 49...Kd4+=) 50.Rh4+– Kg3 51.Rc4 Kh3 (51...Rd7 52.Rc3 Kf4 53.Rb6 Rd4+–) 52.Re3 1–0. GuestHJQM – GuestLDCD, freechess.org, 2017.

7.Be2 c6 8.0-0 a4 9.Na3 e5 10.d3 Nbd7 11.Rc1 Re8 12.Qd2 e4 13.Ng5 ed3 14.Bd3 Nc5 15.Bb1 (15.Rcd1 h6 16.Nf3 Bg4=) 15...h6 16.Nf3 Bg4 17.Nd4 Nfe4 18.Qe1 Qg5 19.f3 Bh3 20.Qe2 Nc3 21.Rc3 Bd4-/+ 22.f4 Be3 23.Kh1 Bf4 24.Qf2 Bg2 25.Qg2 Qg2 26.Kg2 Re2 27.Kf3 Rb2 28.Kf4 Rh2 29.Rd1 Re8 30.bc6=+ bc6 31.Rd6 Ree2 32.Rc6 g5 33.Kg3 Ne6 34.Re6 fe6 35.Rc2 Rhg2 36.Kh3 g4 37.Kh4-/+ h5 38.Re2 Re2 39.Nb5 Kg7 40.c5 Re5 0–1. brain boardonly – Subedei, ChessWorld.net, 2005.

7.Be2 Bg4 8.0-0 e5 9.d4 Qe7? (9...e4 10.Nfd2 Be2 11.Qe2=) 10.h3 (10.de5!? Ne4 11.Qd5+/-) 10...Bf3+= 11.Bf3 (worse 11.gf3 ed4 12.Bd4 Nbd7=+) 11...e4 12.Be2 Nbd7 13.Nc3 White prepares d5 13...c6 (13...Qe6 14.Na4+/-) 14.a4 Ne8 15.Qc2 f5 16.Rad1 Nef6 17.d5 (17.Qd2!?+/-) 17...c5= 18.Rfe1 b6 19.Bf1 Ne5 20.Ne2 (20.Ra1 Nfd7=) 20...g5 (better 20...Nd3!? 21.Rd3 ed3 22.Qd3 Rf7=+) 21.Ng3+= Qd7 22.Be5 de5 23.Qc3 (23.Be2 Ne8+=) 23...Ne8 (better 23...f4!? 24.Ne2 g4=) 24.Nh5 Nd6 25.Ng7 (25.Be2 Rae8+=) 25...Qg7= 26.Kh1 (26.Be2 g4 27.Kh2 Rae8=+) 26...h5 27.Be2 g4 28.h4 (better 28.g3!?=) 28...g3-/+ 29.f3?? (better 29.Rf1-/+) 29…Qf6 (29...Qf6 30.Kg1 Qh4 31.Bd3 ef3 32.gf3 Qh2 33.Kf1 Qf2) 0-1. GM_HUSARZ (1950) - Labo534 (1985), Rated Bullet game, lichess.org, 2015.

7.g3 e5 8.d4 Re8 9.a4 (9.Bg2 ed4 10.Bd4 c5=) 9...ed4 10.Bd4 Nbd7 11.Nbd2 Ng4 (11...Ne5 12.Rc1=+) 12.Bg7= Kg7 13.Bg2 Nc5 14.0-0 Bd7 15.Nb3 Nb3 16.Qb3 Rb8 (16...Nf6 17.Qc3+=) 17.h3 Nf6 18.Nd4 b6 19.Rad1 Qe7 20.Qb2 Qe5 21.Rfe1 h5 22.f4 Qc5 23.Kf2 (23.e4 Re7+=) 23...Kg8 24.Bf3 (24.Nc6 Bc6 25.Bc6 Re6+=) 24...Bh3 (24...h4!?=+) 25.Nc6+= Ng4 The pressure on the backward pawn e3 grows 26.Bg4 Bg4 27.Rd5 (27.Rd5 Qc4 28.Rd4=) 1-0. TheChessHobbyist (2740) - Banelevich (2750), Rated bullet game, lichess.org, 2024. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5)

7.d3 e5

8.Qc2 Nbd7 9.Nc3 Nc5 10.Be2 Bf5 11.Nd2 Re8 12.Nde4 Nfe4 13.de4 Bd7 14.Ba3 Ne6 15.Rd1 b6 16.0-0 Rc8 17.Nd5 f5 18.ef5 gf5 19.Qf5 Nf4 20.Qc2 Ne2 21.Qe2 Qh4 22.e4 Re6 23.g3 Rg6+/– 24.Kh1 Qd8 25.f3 Bh3 26.Rf2 Qd7 27.Bc1 Rf8 28.Rg1 Be6 29.a4 Bh6 30.Be3 Be3 31.Qe3 Bd5 32.cd5 Kf7 33.f4 Ke8 34.f5 Rg7 35.g4 Kd8 36.g5 Kc8 37.Rg3 Kb8 38.Qf3 Rfg8 39.Qh5 Qd8 40.h4 Kb7 41.Rh2 Ka7 42.Rc2 c5? 43.bc6 b5 44.f6 Rc7 45.ab5 (45.ab5 Qb8 46.Qe2+–) 1–0. Giffard,Nicolas (2410) – Berthelot,Yannick (2270), FRA–chT France, 1994.

8.Qc2 Nbd7 9.Nbd2 Nc5 10.Be2 Qe7 (10...Bf5 11.e4 Bd7 12.0-0+=) 11.Rc1 (11.0-0 Bf5+=) 11...Bf5 (11...Re8 12.0-0+=) 12.0-0 Rfe8 13.Rfe1 (13.h3 a4+=) 13...h6 (13...e4 14.Nd4 Bd7 15.de4 Nfe4 16.Bf3+=) 14.e4= Bd7 15.Nf1 c6 (15...Nh5 16.g3=) 16.a4 (16.bc6 bc6 17.Rb1 Reb8=) 16...Ne6 (16...Nh5 17.g3=) 17.Ne3= c5 (17...Nf4 18.Bf1=) 18.Nd5 Qd8 (18...Nd5 19.cd5 Nd4 20.Nd4 ed4 21.Qd2=) 19.Qd1 (19.g3 Nd5 20.cd5 Nd4 21.Bd4 ed4+=) 19...Nh7 (19...Nd5 20.cd5 Nf4 21.Bf1=) 20.Bc3 Rf8 (20...Nf6 21.g3=) 21.b6 (21.Bd2 Nf6+=) 21...Nf6= 22.g3 Nd5 (22...Ra6 23.Bd2=) 23.cd5 Nd4 24.Bd4 ed4 (worse is 24...cd4 25.Rc7+/–) 25.Rb1 (25.Nd2 Qb6 26.Bg4 Bg4 27.Qg4 Ra6=) 25...Qe8 (25...Ra6 26.Qb3+=) 26.Ra1 c4 (26...Ra6 27.Nd2=) 27.Nd2 (27.dc4!? Qc8 28.Qd3=) 27...c3+= 28.Nc4 Qe7 29.Qb3 (29.f4 Rfe8+=) 29...Rfc8 (29...f5 30.ef5 Qf6 31.f4 Bf5 32.Qa3+=) 30.Bf1 (30.f4 g5+=) 30...h5 (30...Rc5 31.f4-/+) 31.Qa3 Bf8 32.Bg2 (32.e5 de5 33.Qe7 Be7 34.Ne5 Rd8-/+) 32...Qf6 (32...Rc4 33.dc4 Rc8 34.Bf1-/+) 33.Qb3 (33.Qa2 h4+=) 33...h4 (better is 33...Rc5+=) 34.Qd1 (34.f4 hg3 35.hg3 Rc5+=) 34...Rc5 (34...h3 35.Bh1-/+) 35.Na3 (35.f4!?-/+) 35...Ra6 (35...Rac8 36.Qc2–+) 36.Qb3 Qd8 (36...h3 37.Bh1–+) 37.Nc4-/+ Ra8 (37...h3 38.Bh1-/+) 38.Na3 (better is 38.f4-/+) 38...Ra6 (better is 38...h3 39.Bf1 g5-/+) 39.Nc4= Ra8 ½–½. Julia,Ernesto (2360) – Burgos,Carlos (2300), Campeonato Argentino Seniors Maxi, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6 7.d3 e5)

8.Qc2 Nbd7 9.Be2 Re8 10.Nc3 Nf8 (10...Nc5 11.0-0=) 11.0-0 Ne6 12.Rfc1 b6 (12...Nc5 13.e4=) 13.Bf1 (13.Nd5 Nc5+=) 13...Bb7 14.e4 Rf8 (14...Nh5 15.Nd5=) 15.Nd5 Nd7 16.Rd1 f5 17.Bc1 (17.d4 ed4 18.ef5 Rf5 19.Nd4 Bd4 20.Bd4 Bd5 21.cd5 Nd4 22.Rd4 Qf6=) 17...f4 (17...Nf6 18.Be2=) 18.Bb2 (18.Be2 g5 19.h3 a4+=) 18...g5 19.Ne1 (19.h3 h5+=) 19...c5 (19...g4 20.Be2 Qh4 21.f3=) 20.Nc3 (20.Be2!?+=) 20...Nd4=+ 21.Qd2 h5 22.Nc2 Ne6 23.Na4 Qf6 24.Bc3 Qg6 25.Nb6? Nb6-/+ 26.Ba5 Nd7 27.a4 Nd4 28.Nd4 cd4 29.Bb4=+ Nc5 30.Bc5 dc5 31.a5 Rf6 32.Ra2 g4 33.Qb2 h4 34.Qa3 Bf8 35.Rb1 g3 36.f3 gh2 37.Kh2 Be7 38.Rba1 Bc8 39.Qb3 Qe8 40.b6 Qc6 41.Rb1 Qb7 42.Qb5 Rf8 43.Rba1? Ra6–+ 44.Qb2 Bd7 45.Qd2 Rfa8 46.Be2 Bd8 47.Rb1 Bc6 48.Bd1 Kf7 49.Qe1 Ke8 50.Ba4 Ba4 51.Ra4 Qg7 52.Rb5 Qg3 53.Qg3 hg3 54.Kh3 Bb6 55.ab6 Ra4 56.Rc5 Rb8 57.Re5-/+ Kd7 58.c5 Rg8–+ 59.Kh4 Ra1 60.Rg5 Rg5 61.Kg5 Rd1 62.Kf4 Rd3 63.Kg3 Rd2 64.f4 Re2 65.Kf3 d3 66.e5 Re1 67.b7 Kc7 68.c6 d2 (69.Kg3 d1Q–+) 0–1. Frosinos,Ioannis – Karoubis,E, Ikaria op, 1992.

8.Qc2 Bf5 9.Be2=.

8.Nbd2 Nbd7 9.Be2 Nc5 10.0-0 Re8 11.Ne1 h5 12.Rc1 Bg4 ½–½. Forintos,Gyozo V – Plachetka,Jan, Kecskemet Toth Memorial 5th, 1975.

8.Nbd2 Nbd7 9.Be2 Re8 10.0-0 b6 11.Qc2 Nc5 12.Ng5 Bb7 13.Bf3 Bf3 14.Ngf3 (worse is 14.gf3 d5-/+) 14...Nd3? (better is 14...e4 15.de4 Nfe4+=) 15.Qd3+– e4 16.Bf6 ed3 17.Bd8 Ba1? (better is 17...Rad8 18.Rac1 f5+–) 18.Bc7 (18.Ra1?! Rad8 19.Rd1 g5+–) 18...Bc3 19.Bb6 Rec8 20.Rd1 (20.Bd4 Bb4+–) 20...d5 21.cd5 Bd2 22.Nd2 Rcb8 (22...Rab8 23.Bd4 Rb5 24.Ne4+–) 23.Bc7 (better is 23.Nc4!? Rc8 24.Nd6 Rc2+–) 23...Rb5 24.d6 Rd5 (24...Rc5 25.Nb3 Rc3 26.Nc1+– (worse is 26.Na5 Kf8+–; worse is 26.Ba5 Rb3 27.ab3 Ra5+–)) 25.Nc4 (25.Nc4 Ra6 26.Kf1+–) 1–0. Martinovic,Slobodan (2450) – Kobas,Adnan (2320), BIH–chT1 Neum, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6)

8.Nbd2 Re8 9.Be2 Nbd7 10.0-0 Nc5 11.a4 b6 12.Nb3 Nb3 13.Qb3 Bb7 14.Nd2 Nd7 15.Qc2 f5 16.Rfe1 h6 17.d4 ed4 18.ed4 Kh7 19.Bf3 Bf3 20.Nf3 Qf6 21.h4 Kh8 22.Kf1 ½–½. Donchenko,Anatoly G (2375) – Scherer,Holger (2080), Dresden ZMD op, 2007. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 a5 6.b5 d6 7.d3 e5)

8.Be2 a4=.

7.Be2 Nbd7

8.0-0 b6 9.d4 Bb7 10.Nc3 c6 (10...e5 11.Qc2=) 11.bc6+= Bc6 12.d5 Bb7 13.Nb5 Nc5 14.a4 Ba6 15.Bd4 Bb5 16.cb5 Nfe4 17.Bd3 Nd3 (17...Bd4 18.Nd4 Nc3 19.Qd2 Nd5 20.Bg6 hg6 21.Nc6=) 18.Qd3 Bd4 19.Nd4 (worse 19.ed4 Nf6=+) 19...Nc5 20.Qc4 Qd7 21.Nc6 e6 22.de6 Qe6 23.Qe6 (23.Qd4!?+=) 23...fe6= (worse 23...Ne6 24.Rfd1 Rfe8 25.Rd6+/-) 24.Rfd1 d5 25.Rd4? (25.f4 Kg7=) 25...Rfe8?? (better 25...Nb3 26.Re1 Nd4 27.ed4 Rae8-+) 26.Rad1= Kf7 27.e4 (27.f3!?=) 27...Ne4-/+ 28.f3 Nc5 29.Ne5 Kg7 30.Nc6 Rf8 31.Kf2 h5 32.g3 g5 33.Kg2 Kh6 (33...Rf5 34.Re1-/+) 34.Re1 Rf6 35.Ne7 Re8 (35...Raf8!? 36.Re3 R6f7-/+) 36.Nd5=+ Rd8 37.Nf6 Rd4 38.Ng8? (better 38.Re5=+) 38...Kg7 39.Ne7 Ra4 (better 39...Kf6 40.Nc8 Na4-+) 40.Nc6? (better 40.Nc8-/+) 40...Ra2-+ 41.Kh3 (41.Kg1 a4-+) 41...Rb2 (41...a4 42.Na7-+) 42.Nd8 (42.Ne5 Kf6-+) 42...Kf6 43.Ne6 (43.Nc6-+) 43...Ne6 44.Rc1 (44.Re4 g4 45.Rg4 hg4 46.Kg4 a4 47.f4 a3 48.h4 a2 49.f5 a1Q 50.Kh5 Qa8 51.fe6 Qe4 52.e7 Qg6) 44...Nc5 (44...g4 45.fg4 Ng5 46.Kh4 Rh2) 45.Rc5 (45.Ra1 Re2 46.Rh1-+) 45...bc5 46.f4 (46.g4 h4 47.f4 a4 48.b6 a3 49.b7 Rb7 50.Kg2 a2 51.fg5 Kg5 52.Kf3 a1Q 53.Kg2 Rb2 54.Kf3 Qe1 55.h3 Qe2) 46...Rb5 (46...g4 47.Kh4 Rh2) 47.fg5 Kg5 48.Kg2 Rb2 49.Kf3 Rb3 50.Ke4 a4 51.Kd5 (51.Ke5 a3 52.h4 Kg4 53.Kd6 a2 54.Kc5 a1Q 55.Kd5 Qa5 56.Kd4 Kf5 57.Kc4 Rc3 58.Kd4 Qe5) 51...a3 52.Kc5 (52.Ke6 a2 53.Kd6 a1Q 54.h3 Rd3 55.Kc5 Qd4 56.Kb5 Rb3 57.Kc6 Rb6 58.Kc7 Qd6 59.Kc8 Rb8) 52...a2 53.Kc4 (53.Kd5 a1Q 54.g4 Rb5 55.Ke4 Qc3 56.h4 Kh4 57.gh5 Kg5 58.h6 Re5) 53…Rb1 (53...Rb1 54.g4 a1Q 55.h3 Qa4 56.Kd5 Rb5 57.Kd6 Qa6 58.Kd7 Rb7 59.Kd8 Qa8) 0-1. GM_HUSARZ (2000) - Labo534 (1930), Rated Bullet game, lichess.org, 2015.

8.0-0 Nb6 9.a4 e5 10.d3 Nfd7 11.Qc2 f5 12.Nc3 g5 13.Nd5 g4 14.Nd2 Bh6 15.Nb6 cb6 16.d4 e4 17.Rfe1 Rf7 18.g3 (18.Red1!?+/–) 18...Bf8 19.Rac1 Nf6 20.Ba3 Be6 21.c5 (21.d5 Bd7=) 21...d5 (better is 21...bc5!? 22.dc5 dc5+=) 22.Qb2 h5 23.Rc2 h4 24.Rec1 hg3 25.fg3 bc5 26.Bc5 Bh6 27.Nf1 Nh5 28.b6 f4? (better is 28...Nf6+=) 29.Qa3?? (better is 29.ef4 Bg7 30.Ne3+/–) 29...fg3 (29...f3!? 30.Bb5 Nf6+=) 30.hg3 Ng3 31.Ng3 Qh4 32.Bd6 Bf8 33.Rc7?? Rd8–+ 34.Bf8 Qg3 35.Kh1 Rf2 36.Rg7–+ Kh8 37.Rh7 Kh7 38.Qe7 Bf7 (38...Bf7 39.Qf7 Rf7 40.Rc7 Rc7 41.bc7 Qh4 42.Kg2 g3 43.cd8Q Qh2 44.Kf1 Qf2) 0–1. Mittelbachert,Ulrich – Haase,Peter, Ruhrgebiet VL2, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.e3 0-0 7.Be2 Nbd7)

8.0-0 e5 9.Nc3 Re8 10.Rc1 Nc5 11.Ne1 Qe7 12.d3 b6 13.e4 Bh6= 14.Rc2 Ne6 15.Nd5 Nd5 16.cd5 Nc5 17.Rc4 f5 18.a4 f4 19.d4 ed4 20.Qd4 Bg7 21.Qg7 Qg7 22.Bg7 Kg7 23.f3 g5 24.Nd3 Bb7 25.Kf2 Re7 26.Nc5 bc5 27.Rc2 Bc8 28.b6 cb6= 29.Rb1 Kf6 30.Rb6 Ke5 31.Rcb2 Rc7 32.Bb5 Raa7 33.Ke2 g4 34.Kd3 h5 35.Kc3 h4 36.Bd3 h3 37.fg4 Bg4 38.Rb8 Rc8 39.gh3=+ Bh3 40.Rc8 Bc8 41.Rg2 Rf7 42.Rg5 Kf6 43.Rg8 Bd7-/+ 44.Rh8 Ba4 45.Rh6 Ke7 46.h4 Bd7 47.Bc4 Rg7 48.e5=+ Rg3 49.Kd2 de5 50.d6 Kf8 51.Rh7 Bf5?? 52.Rf7+/– Ke8 53.Rf5 Kd7 54.Rf6 Kc6 55.Bd3 Rg8 56.Be4 (56.Be4 Kb5 57.d7+–) 1–0. Giardelli,S (2445) – Herrera,Martin, II Manuel Pereyra Puebla Mem, Mendoza A, 2003.

8.0-0 e5 9.d3 Qe7 10.Nc3 Nc5 11.Nd2 b6 (11...Bf5!? 12.Nb3 Nb3 13.Qb3 Bg4+=) 12.d4+= Ncd7 13.Bf3 Rb8 14.a4 Ne8 15.Bc6 f5 16.Nd5 Qd8 17.f4 ed4 18.ed4 Nc5 19.Qc2 Ne6 20.Qd3 Nf6 21.Rae1 Kh8 22.Ba1 Bd7 23.Re2 Nh5 24.g3 Bh6 25.Rfe1 Nhg7 26.h4 Re8 27.Bd7+– Qd7 28.Nf6 Qf7? 29.Ne8 Re8 30.d5 1–0. Lebredo Zarragoit,Gerardo (2345) – Maya Cortez,Hermes (2370), Havana m, 1981.

8.0-0 e5 9.d4 Re8 10.Nc3 ed4 11.ed4 Ne4 12.Ne4 Re4 13.Bd3 Re8 14.Qc2 Nf6 15.Rfe1 Bd7 16.Bc3 b6 17.Rac1 Re1 18.Re1 Qf8 19.h3 Re8 20.Rc1 Nh5 21.Bd2 Bh6 22.Rd1 Bd2 23.Qd2 Bc8 24.Nh2 Qe7 25.Ng4 Bg4 26.hg4 Ng7 27.f3 Qe3 28.Qe3 Re3 29.Kf2 Re7 30.Be4 Ne6 31.Rd2 Kg7 32.g3 Kg8 33.Bd5 Kg7 34.f4 Kf8 35.Kf3 Kg7 36.g5 Kf8 37.Kg4 Kg7 38.Kf3 Kf8 39.Rd1 Kg7 40.Rd3 Kf8 41.Bc6 Kg7 42.Bd5 Kf8 43.Rd1 Kg7 44.Be6 Re6 45.Rc1 f6 46.gf6 Kf6 47.g4 Kf7 48.c5 dc5 49.dc5 Ke8 50.cb6 cb6 51.Rc7 h5 52.gh5 gh5 53.Rh7 Re1 54.Rh5 Ra1 55.Rh6 Ra2 56.Rb6 Rb2 57.Ke4 a4 58.Kd5 Kd7 59.Rb7 Kc8 60.Ra7 Rb5 61.Kc6 Rb4 62.Ra8 Rb8 63.Ra4 Kd8 64.Re4 Rb1 65.f5 Rf1 66.Re5 Ra1 67.Re6 (better is 67.Kb5+/–) 67...Ra6?? (better is 67...Ra5=) 68.Kd5+– Ra1 69.Ke5 1–0. Barth,Norbert (2180) – Kordts,Wolfgang (2115), Regionalliga NO, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 d6 5.Bb2 Bg7 6.e3 0-0 7.Be2 Nbd7)

8.a4 e5 9.d3 Nc5 10.Nc3 Bf5 11.0-0 Re8 12.Ne1 h5 13.Nd5 Nd5 14.cd5 e4 15.Bg7 Kg7 16.de4 Be4 17.Bf3 Qe7 18.Rc1 Qe5 19.Rc4 Re7 20.Be4+/– Ne4 21.Nf3 Qf6 22.b6 cb6 23.Qb1 Nc5 24.Rf4 Qc3+= 25.Rc1 Qa3 26.Rfc4 Qd3 27.Qb2 f6 28.Rf4 Ne4 29.Nd4 Qd2 30.Qa1 Kh7 31.h4 Rg8 32.Rd1+– Qb4 33.Ne6 g5 34.Rf6 Nf6 35.Qf6 Re6? 36.de6 gh4 37.Qf7 Rg7 38.Qh5 Kg8 39.Qd5 Re7 40.Rd4 Qb1 41.Kh2 Qg6 1–0. Benko,Francisco – Cafure,Emilio, Buenos Aires–ch, 1965.

8.d4 Ne4 9.0-0 f5 10.Nc3 Ndf6 11.Nd2 Nd2 12.Qd2 e5 13.de5 de5 14.Qc2 Be6 15.Rfd1 Qe7 16.Nd5 Bd5 17.cd5 Ne4 18.a4 Nd6 19.Rac1 Rf7 20.Qb3 f4 21.Bg4 fe3 22.fe3 Nf5 23.e4 Qg5 24.Bh3 Ne3 25.Rd3 (better is 25.Re1!? Bh6 26.b6 cb6 27.Re2+=) 25...Bh6= 26.Re1?? (better is 26.d6 cd6 27.Rd6+=) 26…Qh4 (26...Qh4 27.Rdd1 Raf8–+) 0–1. Bader,Gerard – Leconte,Jean Olivier, France corr, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 a5 6.b5 0-0 7.Be2 Nbd7)

8.d4 e5 9.0-0 e4 10.Nfd2 Re8 11.Nc3 h5 (11...Qe7 12.Qc2+=) 12.Qc2 Will e4 fall? 12...Qe7 13.Ba3 (13.Rad1 h4+=) 13...Nf8 (13...h4 14.h3+=) 14.b6 c6 15.d5 (15.c5 d5+=) 15...c5 (15...N8d7 16.dc6 bc6 17.Rab1+=) 16.Nb5 N8h7? (better is 16...Rd8+=) 17.Nc7+– Bf5 (17...Bg4 18.Rae1+– (18.Ne8?! Be2 19.Ng7 Bf1 20.Rf1 Kg7+/–)) 18.Bb2 Bh6 (18...h4 19.h3+–) 19.Bc3 (19.a4 Nd7+–) 19...Ng4 (19...a4 20.Ne8 Qe8 21.a3+–) 20.Bg4 (20.Na8 Ra8 21.a4 Bg7+–) 20...hg4 21.a4 Qh4 (21...Nf6 22.Rfb1+–) 22.Ne8 Re8 23.Ba5 Ng5 24.Kh1 Nf3 (24...Bg7 25.Bc3+–) 25.gf3 gf3 26.Nb3 Bg7 27.Rg1 Be5 (27...Ba1 28.Na1 Kg7 29.Qb2 f6=) 28.Rg3! Kg7 (28...Bg3 29.fg3 Decoy) 29.Qc1 Bh3? (better is 29...Rh8 30.Qg1 Bh3+–) 30.Bc3 Bc3 (30...Bg2 31.Rg2 fg2 32.Kg2 Qh2 33.Kf1 Qh1 34.Ke2 Qf3 35.Ke1+–) 31.Qc3 f6 32.Nd2 Rh8 (32...Bg2 33.Rg2 fg2 34.Kg2 Qg4 35.Kh1+–) 33.Rag1 (33.Rag1 Rh6 34.Qc2+–) 1–0. DEFFM – DavidMorphy, freechess.org, 2018.

8.d4 e5 9.Nc3 ed4 10.Nd4 Nc5 11.0-0 a4 12.Rc1 Re8 13.Bf3 Nfd7 14.Qc2 Ne5 15.Be2 a3 16.Ba1 Bg4 17.Bg4 Ng4 18.Rfd1 Ne5 19.Nd5 Ra4 20.Qe2 c6 ½–½. Schiefelbusch,Dirk (2105) – Kozlov,Alexander GER (2200), Dortmund GER, Sparkassen Open, 2012.

8.d4 e5 9.Nc3 Re8 10.0-0 ed4 11.ed4 c5 12.bc6 bc6= 13.Re1 Nb6 14.c5 Nbd5 15.cd6 Nc3 16.Bc3 Nd5 17.Bb2 Qd6 18.Ne5 Rb8 19.Nc4 Qc7 20.Qd2 Ba6 21.Bf1 Re1 22.Re1 Bc4 23.Bc4 Qb6 24.Ba1 Qb4 25.Qe2 Nb6 26.Bb3 Bd4 27.Bd4 Qd4 28.Rd1 Qf6 29.Qa6 c5 30.Qa5 c4 31.Bc2 Ra8 32.Qc5 Ra2-/+ 33.Bb1 Rb2 34.g3?? Kg7 35.Rc1 Nd7 36.Qe3 Ne5 37.h3 Nd3! 38.Bd3 cd3 39.Rd1 Re2 40.Qf4 Qc3 41.Kg2 d2 42.Qf3 Qc4 43.g4 h6 44.Kg3 Qc7 45.Kg2= Qe5 46.Qd3 g5 ½–½. Pakleza,Zbigniew – Owczarzak,Jerzy, 60 Ch Poland Dzwirzyno, 2004.

7.Be2 e5

8.0-0 b6 9.d4 Nbd7 10.Nbd2 (10.de5 Ng4+=) 10...Re8+= 11.Nb3 a4 12.Nc1 a3 13.Bc3 Ne4 14.Bb4 ed4 15.ed4 Bb7 16.Nb3 Ndf6 17.Rc1 Ng4 (17...Nh5 18.Re1=) 18.d5 (18.Ne1 Ra4 19.Nc2 Ngf2 20.Rf2 Nf2 21.Kf2 Qg5=) 18...Bb2= 19.Rb1 Qf6 20.Nfd4?? (better 20.Qc2=) 20...Ngf2-+ 21.Bf3?? (21.Qe1 Bd4 22.Nd4 Qd4 23.Rf2 Nf2 24.Qf2-+) 21...Nd1 22.Rfd1 (22.Rbd1 Qg5 23.Rd3 Nc5 24.Bc5 bc5-+) 22...Nc3 (better 22...Ra4!? 23.Nc2 Ng5 24.Rf1-+) 23.Bc3 Bc3 24.Nc6 (24.Rbc1 Bb2 25.Rc2 Re7-+) 24...Bc6 25.bc6 Re7 26.Bg4 (26.Rf1 Qf4 27.Be2 Qe3 28.Rf2 Qe2 29.Re2 Re2-+) 26...Rae8 (better 26...Qf4 27.Bh3 Re2-+) 27.Bd7 (27.Rf1 Re1 28.Bf3-+) 27...Re1 (27...Be1 28.h3 Qf2 29.Kh2 Re2 30.Be8 Qg2) 28.Re1 Re1 (28...Be1 29.h3 Qf2 30.Kh1 Re2 31.Re1 Qg2) 29.Re1 Be1 30.h3 (30.g4 Qf2 31.Kh1 Qf1) 30...Bg3 31.Nd2 (31.Bf5 Qf5 32.Nd2 Qf2 33.Kh1 Qe1 34.Nf1 Qf1) 31...Qb2 (31...Qd4 32.Kh1 Qa1 33.Nb1 Qb1) 32.Nf1 (32.Bf5 Qd2 33.Bd3 Qd3 34.c5 Qd1) 32…Qf2 (32...Qf2 33.Kh1 Qf1) 0-1. carlos78 (2190) - Coach1976 (2015), Rated Blitz game, lichess.org, 2015.

8.0-0 e4 9.Nd4=.

8.0-0 e4 9.Ne1=.

8.0-0 Re8 9.Nc3 Nbd7 10.Qc2 b6 (10...Nb6 11.e4=) 11.Rad1 (11.d4 ed4 12.ed4 Bb7+=) 11...Bb7 (11...Nc5 12.d4 Bf5 13.Qc1 ed4 14.Nd4+=) 12.e4 (12.d4 ed4 13.ed4 Ne4+=) 12...Nc5 (12...c6 13.d3+=) 13.d3 Ne6 (13...Nfd7 14.Rfe1+=) 14.g3 (14.Rfe1 Nf4+=) 14...Nd7= 15.Nd5 Ndc5 16.Rfe1 Rf8 17.Bf1 Kh8 18.Bg2 Qd7 19.Bh3 Rae8 20.Kg2 Qd8 21.d4 ed4 22.Nd4 Bd5 23.Be6?? Be6–+ 24.Ne6 Re6 25.e5 Qa8 26.f3 Be5 27.h4 Rfe8 28.h5 Qd8 29.Re5 Re5 30.f4 f6 31.fe5-/+ fe5 32.hg6 Qa8 33.Rd5 Re6 34.gh7 Qf8 35.Bc1 Qg7 36.Rd1? Qg6 37.Qg6-/+ Rg6 38.Rh1 Rg7 39.Kf3 Rh7 40.Rh7 Kh7 41.Bg5 Kg6 42.Bd8 Ne6 43.Be7 Kf7 44.Bh4 Nd4 45.Ke4 Ke6 46.g4 Ne2 47.Ke3 Nc3 48.Bd8 Kd7–+ 49.Bh4 Na2 50.g5 Nb4 51.g6 Ke6 52.Bd8 a4?? 53.Bc7=+ d5 54.Be5 ½–½. Sviridov,Valentin (2200) – Michenka,Jozef (2275), Karvina 5th, 1982.

8.0-0 Re8 9.d3 Nbd7 10.Nc3 Nc5 11.Qc2 Bf5 12.Nh4 Bd7 13.Nf3 Bf5 14.Nh4 Bd7 15.Nf3 Bf5 ½–½. Vadasz,Laszlo (2380) – Szabo,Zsolt (2260), Szekszard op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6 7.Be2 e5)

8.0-0 Bf5 9.d3 (9.Nc3 Nbd7=) 9...Qe7 (9...Nbd7 10.Nc3=) 10.Nc3 c6 11.a4 (11.e4 Bg4+=) 11...Nbd7= 12.h3 Nc5 13.d4 ed4 14.Nd4 Bd7 15.Bf3 Nce4 16.Ne4 Ne4 17.bc6 bc6 18.Qc2 Rfe8 19.Ba3? (19.Rab1 Rab8=+) 19...Rac8 (better 19...c5!? 20.Nb5 Ba1 21.Ra1 Bc6-/+) 20.Rad1=+ f5 21.Nb3 (better 21.Rb1=) 21...Ng5 (better 21...c5 22.Nd2 Nc3-/+) 22.Bd6+/- (22.Rd6 Nf3 23.gf3 f4 24.ef4 Bh3-/+) 22...Nf3 23.gf3 Qh4 24.Kg2?? (24.Bg3 Qe7 25.Nc5+/- (25.Na5?! f4 26.Bf4 Bh3=)) 24...f4-+ 25.Rh1 fe3?? (better 25...Qg5 26.Kf1 fe3-+) 26.fe3?? (better 26.Bg3 Qd8 27.Rhe1=) 26...Re3-+ 27.Bg3 Qe7 (better 27...Qh5 28.Qf2 Rce8 (28...Rb3?! 29.Rd7 Rf8 30.Rf1-/+) 29.Rd7 Re2-+ (29...Rb3?! 30.Rhd1=+)) 28.Nd4?? (better 28.Rhe1 Bf5 29.Qd2 Re1 30.Qe1=+) 28...Bd4-+ 29.Rd4 (29.Rhe1 Qe6 30.Rd4 Qh3 31.Kf2 Re1 32.Ke1 Qg3 33.Qf2 Re8 34.Re4 Qf2 35.Kf2 Re4 36.fe4-+) 29...Re2 30.Qe2 Qe2 31.Bf2 Bf5 (31...Rf8 32.f4 Bf5 33.Rhd1 Bh3 34.Kh3 Qf3 35.Kh4 Rf5 36.Rd8 Kg7 37.R8d7 Kh6 38.Rh7 Kh7 39.Rd7 Kh6 40.Rh7 Kh7 41.Bd4 Rh5) 32.Re1 (32.Kg3 Qc2-+) 32...Qb2 (32...Bh3 33.Kg3 Qc2 34.Rh4-+) 33.Red1 (33.h4 Rf8-+) 33...Rf8 34.Rd8 (34.R4d2 Qf6 35.Bg3 Be6-+) 34...Rd8 (better 34...Bh3 35.Kh3 Qf2 36.R1d3-+) 35.Rd8 Kf7 36.Rd7 (36.h4-+) 36...Bd7 37.h4 (37.h4 Bh3! 38.Kg3 Bf1 39.Be1 Qe5 40.Kf2 Qe2 41.Kg3 Qe1 42.Kg4 Kf6 43.h5 g5 44.f4 Qe2 45.Kg3 Qg2). GM_HUSARZ (1995) - Labo534 (1940), Rated Bullet game, lichess.org, 2015.

8.0-0 Nh5 9.d4 e4 10.Nfd2 f5 (10...Nf6 11.Nc3 Qe7 12.Qc2+=) 11.Nc3 (11.Bh5!? gh5 12.Qh5+/–) 11...Nf6+= 12.Rc1 Nbd7 13.Qc2 Rf7 14.c5 d5 15.c6 (15.Qb3 Nf8+=) 15...bc6 16.bc6 Nf8 17.Ba3 f4 18.Bf8 Bf8 19.ef4 Bd6 20.g3 Rb8 21.Rb1 Rb4 22.a3 Rb1 (22...Rd4? 23.Rb8 Rf8 24.Nb5 Rd2 25.Qd2+–) 23.Rb1 Bf5 (23...Ba3? 24.Rb8 Qf8 25.Nb5+–) 24.Nf1 e3 25.Bd3 ef2 26.Kf2 Ba3 (26...Bd3!? 27.Qd3 Ba3=) 27.Bf5+/– gf5 28.Ne3 Bb4 29.Kg2 (worse is 29.Nf5 Bc3 30.Kg2 Qe8-/+) 29...Bc3 30.Qc3 Qe8 31.Qd3 (31.Kg1 Ng4 32.Nf1 a4+=) 31...Re7 32.Nf1 Qc6+= 33.Qf5 a4 34.g4 Ne4 35.Rb8+/– Re8 36.Re8 Qe8 37.Qd5 Kg7 38.Ne3 Nf6 39.Qe5 Qc6 40.d5+– Qb6? 41.g5 (41.g5 Kf7 42.Nc4+– (worse is 42.Qf6 Qf6 43.gf6 a3+–)) 1–0. Reis,Luis Sousa (2225) – Santos,Antonio Pereira (2290), Honra Almada, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 d6 7.Be2 e5)

8.d3 Nbd7 9.0-0 e4 10.Nd4 ed3 11.Bd3 Nc5 12.Nc3 Re8 13.Qc2 Bd7 14.Rac1 a4 15.Ba3 Qb8 16.Rfd1 Bg4 17.Re1 Qa7 18.h3 Nd3 19.Qd3 Be6 20.Red1 Nd7 21.Nd5 Rac8 22.b6 cb6 23.Nb5 Qa5 24.Bb4 Qa6 25.Ndc7 Ne5 26.Qf1 Bc4 27.Rc4 1–0. Stippekohl – Pioch, Wilmersdorf 1981.

8.d4 ed4 9.ed4 Nh5 10.Bc1 Bg4 11.Nc3 c5 12.bc6 Nc6 13.Be3 Ne7 14.Rb1 Nf5 15.Bg5 (15.Rb7 Re8 16.Qd2 Bf3 17.Bf3 (< 17.gf3 Qh4 18.Kd1 Nd4=+) 17...Bd4 18.Nd5+=) 15...Qc8= 16.0-0 h6 17.Bd2 Nf6 18.Qa4 Rb8 19.Nb5 Re8 20.Bd1 Ne4 21.Ba5 Ra8 22.Qb4 Re7 23.Bb6 Ra2= 24.Nc3 Nc3 25.Qc3 Ra6 26.Qd3 Qc6 27.d5 Qe8 28.c5 dc5 29.Bc5 Rc7 30.Re1 Qc8 31.Bb4 Nd6 32.Nd4 Rc4 33.Bg4 Qg4 34.Bd6 Rd4 35.Qg3 Qf5 36.Rb7? Rg4–+ 37.Rb8 Kh7 0–1. Weber,Siegfried (2290) – Ryskin,Alexander (2515), Berliner Sommer, 1993.

8.d4 ed4 9.Nd4 Nbd7 10.Nc3 Ne5 11.0-0 Bg4 12.f3 Bc8 13.e4 c6 (13...Re8 14.a3+=) 14.Kh1 (14.f4 Ned7+=) 14...Qc7 (14...Re8 15.Rb1=) 15.Qd2 (15.f4 Ned7+=) 15...Rd8 (15...Re8 16.Rae1+=) 16.Rac1 (16.f4 Ned7+=) 16...h5 (16...Re8 17.a3+=) 17.Qe1 (17.a4 Re8+=) 17...Nfd7 (17...a4 18.Rd1+=) 18.Qg3 (18.f4 Ng4 19.Qd2 Re8+=) 18...Nc5 (18...Nb6 19.Nd1=) 19.Rcd1+= Ne6 (19...Re8 20.Rd2+=) 20.Nb1 (20.Na4 Re8+/–) 20...Qe7 (20...Re8 21.f4 Nd7 22.Ne6 Re6 23.f5 Re4 24.fg6+–) 21.Ne6 (21.f4 Ng4+=) 21...Be6 22.f4 Bc4? (better is 22...Ng4 23.Bg7 Kg7+=) 23.Bc4+– (23.fe5? Be2 24.ed6 Bf1 25.Bg7 Bg2 (25...Kg7?! 26.de7 Rd1 27.Nc3+=) 26.Qg2 Kg7 27.Qb2 Qf6 28.Qf6 Kf6–+) 23...Nc4 24.Bg7 Kg7 (24...Qe4 25.Rfe1 Qc2 26.Bf6+–) 25.Qc3 Ne5 (25...Kg8 26.Qc4 cb5 27.Qd3+–) 26.bc6 bc6 27.fe5 de5 28.Rd8 Rd8 29.Qc6 Rd6 (29...h4 30.Qa6+–) 30.Qb5 Rd4 31.Nc3 a4 (31...Qc7 32.h3+–) 32.h3 (32.a3 Qd6+–) 32...a3 (32...h4 33.Nd5 Qd8 34.Qb7+–) 33.Nd5 Qa7 (33...Qe6 34.Nc7 Qe7 35.Ne8 Kg8 36.Nf6 Kg7 37.Qc6+–) 34.Nf6 (better is 34.Qe8 Re4 35.Nf6 Rf4 36.Nh5 gh5 37.Qe5 f6 38.Qf4 Qe7+–) 34...Qe7 35.Qb3 Qa7 (35...h4 36.Qf3+–) 36.Qg3 Qa6 37.Nh5 Kg8 (37...Kf8 38.Rf6 Rd1 39.Kh2+–) 38.Nf6 Kg7 39.Qf2 Qe6 (39...Qc4 40.Ng4 Qe6 41.Qe3+–) 40.Qh4 Kf8 1–0. Espig,Lutz (2440) – Burovic,Ismet (2375), Bolzano Open, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 d6 7.Be2 e5)

8.d4 Nbd7 9.0-0 Qe7 10.Nc3 c6 (10...Re8 11.Qd3=) 11.bc6 (11.Qa4 e4 12.Nd2 Nb6+=) 11...bc6= 12.e4 ½–½. Blauhut,Holger – Wolfram, corr SOK–89–49, 1989.

8.d4 Nbd7 9.0-0 Re8 10.Nbd2 (10.Nc3=) 10...Kh8 (10...ed4!? 11.Nd4 Nc5=+) 11.a4 (11.de5 Ng4+=) 11...Ng8 (11...ed4 12.ed4 Nh5 13.g3=) 12.Nb3 ½–½. Ptosek,Jan (1820) – Pahorecky,Jiri (1995), CZE–ch U16, 2007.

8.d4 Nbd7 9.a4 Re8 10.Qc2 (10.Nc3 ed4 11.Nd4 Nc5=) 10...ed4+= 11.Bd4 Nc5 12.Bc5 (12.0-0 Bf5 13.Qb2 Ne6+=) 12...dc5 (12...Bf5 13.Bd3 Bd3 14.Qd3 dc5 15.Ra3-/+) 13.Ra3 Ne4 14.Nbd2 Nd6 15.0-0 Qe7 16.Rd1 (16.Re1 b6-/+) 16...b6 17.Nb1 Bf5 18.Qc1 (18.Bd3 Ne4-/+) 18...Ne4 (18...Qe6 19.Nfd2-/+) 19.Nfd2 Rad8 (19...Nf6 20.Nc3-/+) 20.Ne4 Rd1 21.Qd1 Be4 22.Nd2 (22.Nc3 Bc3 23.Rc3 Rd8+=) 22...Rd8-/+ 23.Qc1 Bb7 (23...Bf5 24.Bf3-/+) 24.Rd3+= Rd3 25.Bd3 Qe5 26.Be2 Qc3 27.Qc3 Bc3 28.Nb1 Bb4 (28...Bb2 29.Nd2+=) 29.Bf3+= Bf3 30.gf3 Kg7 (30...g5 31.Kf1=) 31.f4= f5 (31...Kf6 32.Kg2=) 32.f3 Kf6 33.Kf2 Ke6 34.Ke2 h6 35.Nd2 Bd2 (35...Bc3 36.Nf1=) 36.Kd2 Kf6 ½–½. Kasparov,Sergey (2480) – Wieczorek,Oskar (2350), Open Teplice, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6 7.Be2 e5)

8.0-0 Nbd7

9.Nc3 c6 10.d4+= e4 11.Nd2 d5 (11...Qe7 12.bc6 bc6 13.Rb1+=) 12.cd5 (12.Qb3 Nb6+=) 12...cd5 13.Ba3 Re8 14.Na4 b6 15.Rc1 Nf8 (15...Bb7 16.Bd6 Rc8 17.Rc8 Qc8 18.Qb1+=) 16.Rc6+/- Rb8 (16...N8d7 17.Bd6+/-) 17.Qc2 (17.Bd6 Bd7 18.Bc7 Qe7 19.Rb6 Rb6 20.Bb6 Qd6+-) 17...Be6? (17...Bd7 18.Rc3+=) 18.Rc1 (18.Bd6 Rb7+-) 18...N8d7 (18...Bd7!? 19.Rc7 Ne6+=) 19.Bd6 Rb7 20.Bc7 Qe7 (20...Qa8 21.Nb6 Nb6 22.Rb6 (22.Bb6?! Bd7+=) 22...Rb6 23.Bb6+-) 21.Bb6 (21.Nb6 Nb6 22.Rb6 Rb6 23.Bb6 Ra8+-) 21...Nb6 22.Rb6 Rb6 23.Nb6 Rb8 24.Na4 Qb4? (better 24...Nd7+/-) 25.Nc5+- Bf8 26.a4 (26.Na6 Qd6 27.Nb8 Qb8+-) 26...Nd7? (26...Bc5 27.Rb1 Qa3 28.dc5+- (28.Qc5?! Qa4 29.Qc1 Rc8+=)) 27.Rb1 (better 27.Na6!? Qd6 28.Nb8 Qb8+-) 27...Qa3 28.Rb3 (better 28.Nd7 Bd7 29.Qc7+-) 28...Qa1+/- 29.Rb1 Qa3 30.Ne6 (30.Nd7 Bd7 31.Qc7 Qd6 32.Qa5 Rc8+-) 30...fe6 31.Qc7 (31.Bg4 Qd6+-) 31...Qd6 32.Rc1 Nb6 33.Qd6 Bd6 34.Rc6 (34.Nb3!?+/-) 34...Bb4+= 35.Nb3 (better 35.Nb1!?+=) 35...Na4=+ 36.f3 Nc3 37.Kf2 (37.Bf1 ef3 38.gf3 a4=+) 37...ef3 38.gf3 Ne2 39.Ke2 Rb5 40.Re6 a4 41.Nc1 a3 42.Ra6 Be7 43.Kd3 (43.Nd3 Kg7=) 43...Kf7 (43...Rb2 44.Ra5-/+) 44.Ra7 Rb2 (44...h6 45.Kc3=) 45.e4 (45.Ne2!?=) 45...de4-/+ (45...Rh2?! 46.ed5 Rh1 47.d6 Rc1 48.Re7 Kf6 49.Rh7 Rd1 50.Ke3=) 46.fe4 Rb1 (46...Rh2!? 47.d5 Kf6=+) 47.Kc2 (47.Na2 Rd1 48.Kc4 Ke8+/-) 47...Rb2= 48.Kc3 (48.Kd3 Rh2 49.d5 Kf6 50.Ra6 Kg5=+) 48...Rb1 (better 48...Rh2!? 49.e5 Ke6=+) 49.Na2. carlos78 (2155) - ASLAN07 (1930), Rated Blitz game, lichess.org, 2014.

9.Nc3 Re8 10.d4 e4 11.Nd2 Nf8 12.Rb1 h5 13.Ba3 Bf5 14.Nd5 (14.b6 c6+=) 14...N8h7 (14...Nd5!? 15.cd5 Nd7=) 15.b6+/– cb6 16.Nb6 Ra7 17.Nd5 (17.c5!?+/–) 17...Nd5+= 18.cd5 Nf6 19.Bb5 Bd7 20.Qa4 b6 21.Bd7 Rd7 (21...Qd7 22.Qc6+/–) 22.Qb5 Qa8 23.Nc4 Qd5 24.Qd5 (24.Nb6!? Qb5 25.Rb5+/–) 24...Nd5+= 25.Nb6 (worse is 25.Nd6 Re6 26.Nb5 f5+=) 25...Nb6 26.Rb6 Bf8 27.Rc1 d5 28.Bf8 Kf8 29.Kf1 Ra8 30.a4 Ke7 31.Rc5 Raa7 32.Rbb5 Ke6 33.f3 ef3 34.gf3 Rac7 35.Ra5 Rc5 36.Rc5 Rb7 37.Kf2 Rb2 38.Kg3 Rb3 39.Kf4 g5 40.Kg5 Re3 41.Rc6 Ke7 42.Rf6 Ra3 43.Rf4 Ra4 44.Kh5 Ra2 45.h4 Ke6 46.Kg5 Rg2 47.Rg4 Rf2 48.Kf4 Rh2 49.Kg3 Rh1 50.Kg2 Rd1 51.h5 f5 52.Rh4 Kf7 53.h6 Kg8 54.Kf2 Rd3 55.Ke2 Ra3 56.Rh5 Ra4 57.Ke3 f4 58.Kd3 Ra3 59.Ke2 Ra2 60.Kf1+– Kh7 61.Rd5 Kh6 62.Rf5 Rd2 63.Rf4 Kg5 64.Ke1 Ra2 65.Re4 Kf5 66.Re2 Ra3 67.Kf2 Rd3 68.Re4 Ra3 69.Kg3 Rd3 70.Kf2 Ra3 71.Re3 Ra2 72.Re2 Ra3 73.Re3 Ra2 74.Ke1 Rb2 75.Rd3 Ke6 76.Rd2 Rb3 77.Kf2 Kd5 78.Kg3 Rb8 79.f4 Ke4 80.Re2 Kd4 81.f5 Kd5 82.Kf4 Rb1 83.Rf2 Kc6? 84.Ke5 1–0. Espig,Lutz (2325) – Delitzsch,Juergen (2255), BL2–Ost, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.e3 0-0 7.Be2 e5)

9.d3 Re8 10.a4 c6 (10...Qe7 11.Nc3=) 11.Nc3 d5 (11...Qe7 12.d4=) 12.Qc2 (12.Rb1 Nb6+=) 12...Qc7 13.Ba3 (13.cd5 cd5 14.Rfc1 Qb6+=) 13...dc4 14.dc4 c5 (14...e4 15.Nd4+=) 15.Nd2 (15.e4 b6+=) 15...b6 16.Bf3 (16.Rad1 Rd8+=) 16...Bb7= 17.Bb7 Qb7 18.Nce4 (18.e4 Re6+=) 18...Qc7= 19.Bb2 Rad8 20.Rad1 Ne4 21.Ne4 Nf6 (21...Re6 22.Qd2=) 22.Nf6+= Bf6 23.Rd8 (23.Rd5 Rd7=) 23...Rd8= 24.Rd1 ½–½. Mennie – Wolfram, corr 3GMM–47, 1995.

9.d4 e4 10.Nfd2 Qe7=.

9.d4 Qe7 10.de5 (10.Nc3 ed4 11.ed4 Re8+=) 10...Ne5 11.Ne5 de5 12.Ba3 Qe8 (better is 12...c5!?+=) 13.Bf8+– Qf8 14.Nd2 e4 15.Rb1 b6 16.Nb3 Bf5 17.Nd4 Rd8 18.Qc2 Bc8 19.Rfd1 Qc5 20.Bf1 (20.Nc6 Rd7+–) 20...Bb7?? (better is 20...Bg4 21.Be2 Bc8+–) 21.Ne6!+– (21...fe6 22.Rd8 Kf7 23.Rbd1+–) 1–0. Frenzel,Lothar – Wolfram, corr SOK–89–40, 1989.

8.d4 e4

9.Nfd2 Re8 10.Nc3 c5 11.bc6 bc6 12.Rb1+=.

9.Nfd2 Re8 10.Nc3 c6 11.a4 (11.0-0 c5+=) 11...d5 (11...c5 12.0-0+=) 12.0-0 (12.c5 Be6+=) 12...Be6 13.Qb3 Nbd7 14.Ba3 (14.Rab1 Rc8+=) 14...Nb6 (14...dc4 15.Nc4 Rc8 16.Rac1=) 15.bc6+= bc6 16.Rfb1 (16.cd5 cd5 17.Rab1 Rb8+=) 16...Rb8 17.cd5 Nfd5 (17...cd5 18.Qc2=) 18.Nce4 Nf4 19.Qd1 Ne2 20.Qe2 Bd5 21.Qd3 Qh4? (better is 21...Na4!? 22.Rb8 Qb8+/–) 22.Bd6+– Rb7? (22...Rbd8 23.Bc7 Rd7 24.Bb6 Re4+–) 23.Nc5 Qg5 (23...Rbb8 24.Bc7 Nd7 25.Bb8 (25.Nd7?! Qg4 26.Qf1 Rb1 27.Nb1 Qd7+/–) 25...Nc5 26.Qc2+– (26.dc5?! Ba1 27.e4 Be6+–)) 24.Bg3 (24.Bg3 Rbb8 25.e4+–) 1–0. DEFFM – jangazy, freechess.org, 2018.

9.Nfd2 Re8 10.Nc3 h5 11.Qc2 Qe7 12.h3 Nbd7 13.a4 Nf8 14.Ba3 c5 15.d5 b6 16.0-0-0 g5 17.Bb2 Bf5 18.Bh5 Nh5 19.g4 Bg6 20.gh5 Bh5 21.Nce4 Bd1 22.Rd1 Nh7 23.Rg1 Bb2 24.Qb2 f6 25.f4 Kf7 26.fg5 Ng5 27.Nf6 Qf6 28.Rf1 Ne4 29.Rf6 Nf6 30.Nf1 Re4 31.Qe2 Rg8 32.Nd2 Rh4 33.Qh2 Ke7+/– 34.Kc2 Nd7 35.Qf2 Rh3 36.Qf5 Rh6 37.Ne4 Rhg6 38.Qh5 Rg4 39.Qh6 R8g6 40.Qh7 Kd8 41.Qf7 Rg7 42.Qf5 R4g6 43.Kc3 Kc7 44.Qh5 Rg4 45.Qh6 R4g6 ½–½. Anastasian,Ashot (2490) – Istratescu,Andrei (2430), EU–chT (Men), 1992.

9.Nfd2 h5 10.Nc3 Re8 11.h3 Nbd7 12.Qc2 Qe7 13.g4 hg4 14.hg4 c6? (14...g5 15.a3+=) 15.0-0-0 (better is 15.g5!? Nh7 16.bc6 bc6 17.Qe4+–) 15...Nf8 16.Rdg1 Ne6 (16...g5!?+=) 17.g5+/– Nh7 18.Qe4 Neg5 19.Qe7 Re7 20.Ba3 Re6 21.Rg3 f5 22.Rhg1 f4 (22...c5!? 23.Nd5 cd4+–) 23.ef4+– Bd4 24.Bg4 Bc3 25.Rc3 Rf6 26.fg5 Rf2 27.Bd6 Bg4 28.Rg4 Rd8 29.Ne4 Ra2 30.bc6 bc6 31.Ra3 Re2 32.c5 Nf8 33.Nf6 Kf7 34.Re4 Re4 35.Ne4 Ra8 36.Rf3 Kg8 37.Nf6 Kf7 38.Nd7 Ke6 39.Nf8 Kd5 40.Ng6 1–0. Gupta,Milon (2285) – Ahn,Martin (2295), Oberliga NRW, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d6 7.Be2 e5)

9.Ng5=.

5.e3 a6

6.a4 b6 7.b5 a5 8.Nc3 d6 9.Qc2 Nbd7 10.Be2 Bb7 11.0-0 e5 12.h3 Re8 13.Rad1 e4 14.Nd4 Nc5 15.d3 ed3 16.Bd3 Qd7 17.Ba3 Nce4 18.Ne4 Ne4 19.Be4 Be4 20.Qc3 Re5 21.Bb2 Rg5 22.f3 Qh3 23.Qd2 Bb7 24.e4 Qg3 25.Rf2 Rh5 26.Ne2 Qh2 27.Kf1 Bb2 28.Qb2 Re8 29.Rd4 Qh1 30.Ng1 Rc5 31.Qd2 Qh5 32.Nh3 h6 33.Nf4 Qh1 0–1. Abdullaevich (1610) – Mentes_Insignes (1880), lichess.org, 2018.

6.a4 Nc6 7.b5 ab5 (7...Nb4 8.Qb3 a5 9.Nc3=+) 8.ab5= Ra1 9.Ba1 Na7?? (better 9...Na5=) 10.Qa4+– Nb5 11.Qb5 c6 12.Qb4 c5 (12...d6 13.Nc3+–) 13.Qc5 Ne4 (13...d6 14.Qb4+–) 14.Qa3 Qb6 (14...Ba1 15.Qa1 d5 16.Nc3+–) 15.Bd3 Nc5 16.Bg7 Nd3 (16...Kg7 17.Bc2 d6 18.0-0+–) 17.Qd3 Kg7 18.Nc3 Qa5 (18...d6 19.0-0+–) 19.0-0 d6 20.Rb1 Bf5 (20...Qa6 21.Nd5 e5 22.h3+–) 21.e4 Bg4 (21...Bc8 22.Nd5 e5 23.h3+–) 22.Qd4 Kg8 (22...Kh6 23.Rb7 Qa1 24.Rb1+–) 23.Nd5 Qa2 (23...Qd8+–) 24.Ne7 1–0. Pierre – Mandi, internet, 2020.

6.b5 ab5 7.cb5 c6 8.a4 Qb6 9.Nc3 d5 10.d4 Bg4 11.Be2 Ne4 (11...Nbd7 12.0-0=) 12.0-0 (12.Ne4 de4 13.Nd2 Be2 14.Qe2 cb5 15.Qb5 Qb5 16.ab5 Ra1 17.Ba1 Rc8+=) 12...Nc3 13.Bc3 Nd7 14.a5 Qd8 15.h3 Bf3 16.Bf3 e5 17.a6 ba6 18.bc6 Nb6 19.Ba5 e4 (19...ed4 20.Rb1 Rb8+–) 20.Be2 Rb8 21.Rb1 (worse is 21.Ba6 Qd6 22.Qc2 Na8+–) 21...Qc7 22.Qc1 Rfc8 23.Ba6 Rd8 (23...Qa7 24.Bc8 Nc8 25.Rb8 Qb8+–) 24.Qc5 Qa7 (24...Na4 25.Bc7 Nc5 26.dc5 Rb1 27.Rb1+–) 25.Rb6 Rb6 (25...Ra8 26.c7 Re8 27.Rc1+–) 26.Qb6 (26.Qb6 Qb6 27.Bb6+–) 1–0. Janek – Willi, internet, 2016.

6.Nc3 d6 7.Be2= Bg4 (7...Nc6 8.Qb3=) 8.0-0 (8.h3 Bc8=) 8...c5 (8...Nc6!?=) 9.bc5+= dc5 10.Rb1 (10.h3 Bf5+=) 10...Qc7 (10...Nc6 11.Ba3 b6 12.Qa4=) 11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 Nd7 14.h3 Bf3 15.Bf3 (worse 15.gf3 b5=+) 15...Ne5 (15...b5 16.d4=) 16.Be2+= Qd6 (16...c4 17.Qc2+=) 17.d4+– cd4 (better 17...Nd7!?+–) 18.Qd4+– f6 19.Rb6 (19.Rb7 Rab8 20.Ra7 Rb4+–) 19...Qc7 20.Qb2 Ra7 21.Rc1 Qd7 22.f4 Nf7 23.Qd4 Raa8? (better 23...Rd8+–) 24.Bg4 Qd8 25.Rb7 Rc8 (25...Re8+–) 26.Rc8 Qc8 27.Bc8 (27.Bc8 Re8 28.d6+–) 1–0. Luzuriaga,Norberto Horacio – Neumann,Ulf, Tigerschachclub, 2000.

6.Be2 d6 7.d4 c6 8.0-0 Be6 9.Nbd2 Nbd7 10.Ng5 Nb6 11.Ne6 fe6 12.Qb3 d5 13.f4 dc4 14.Nc4 Nbd5 15.a3 h6 (16.Ne5 g5+–; 15...Rc8!?+/–). one_none_blonde – bazu, internet, 2007.

5.e3 Na6

6.a3 d5 7.Nc3+=.

6.b5 Nc5 7.d4 Nce4 8.Bd3 c6 9.Qc2 d5 10.bc6 bc6 11.Ne5 Bb7 12.0-0 Nd7 13.Nc6! Bc6 14.cd5 Bd5 15.Be4 Rc8 16.Nc3 Be4 17.Qe4 Nf6 18.Qd3 Qa5 19.Rac1 Rb8 20.Rc2 e6 21.Rfc1 Rb7 22.Ne4 Nd5 23.Ba3+– Re8? 24.h3 h6? 25.Ng3 Bf8 26.Bf8 Rf8 27.Qe4 Rbb8 28.Qe5 Qd8 29.Ne4+– Re8 30.Rc5 Qe7 31.Nd6 f6 32.Qg3 Rf8 33.Qg6 Qg7 34.Qe4 Qe7 35.Qg4 Kh8 36.Rd5! Rg8?? 37.Qh5 Qg7 38.Nf7 Kh7 39.Ng5! fg5 40.Rdc5 Rb7 41.Qg4 Qg6 42.Rc6 Rb1 43.Rb1 Qb1 44.Kh2 Qa2 1–0. Vidit,S (2355) – Pendalwar,P (2115), ch–Commonwealth, Nagpur IND, 2008.

6.a3 c5

7.Qb3 cb4 8.ab4 Qb6 9.Nd4 Qb4 10.Qb4 Nb4 11.Ba3 Nc6 12.Nc3 Nd4.

7.Qb3 b6 8.Be2 (8.Nc3 Bb7 9.Bd3 Qb8 10.b5 Nc7 11.0-0 Bf3 12.gf3 Ne6) 8...Bb7 (8...Nc7 9.Nc3 Ne6 10.0-0 Bb7 11.h3 Rc8 12.Rad1 a6) 9.d3 (9.Nc3 e6 10.0-0 Qe7 11.b5 Nc7 12.d3 d5) 9...d5 10.Nbd2 e6 (10...dc4 11.Qc4 Qc8 12.Rc1 Qe6) 11.0-0 Qe7 12.b5 Nb8 13.a4 Nbd7 14.a5 ba5 15.Ra5 a6 16.Rfa1 ab5 17.Qb5 Rab8?? (better is 17...Rfb8=) 18.Ra7+/– Bc6? (better is 18...Ba8!? 19.Bf6 Bf6 20.Rd7 Rb5 21.Re7 dc4 22.Ra8 Ra8 23.dc4 Rb2+=) 19.Bf6+– Qd6 20.Be7! Qe7 21.Qc6 Ba1 22.Rd7 Qe8 23.cd5 Rc8 24.Qd6 ed5 25.Qd5 Qe6 26.Qe6 fe6 27.Ng5 Rb8 28.Bg4 (28.Bg4 Rf5 29.Nge4+–; worse is 28.Ne6 Rb2 29.Rg7 Kh8+–) 1–0. Markowski,T (2585) – Meiser,M (2185), 1st Pfalz Open, Neustadt a.d. Weinstras, 2008.

7.b5 Nc7 8.Nc3 d5 9.Bd3 Qd6 10.0-0 dc4 11.Bc4 Bf5 12.h3 Ncd5.

7.b5 Nc7 8.Be2 a6 (8...d5 9.d3+=) 9.0-0 (9.Bf6 Bf6 10.d4+=) 9...d5 10.ba6 Ra6 11.cd5 Rb6 12.Be5 Nfd5 13.Bg7 Kg7 14.d4 cd4 15.Qd4 f6 16.Rd1 e5 17.Qd2 (17.Qh4 Qe7=) 17...Qe7 18.Nc3 Be6 (18...Rd8 A) 19.Nd5?! Rd5 (19...Nd5? 20.e4+–) 20.Qc3 Be6=; B) 19.Ne4=) 19.a4 (19.Nd5 Nd5 20.Ne1 Rc8=) 19...Ra8 (19...Nc3 20.Qc3 Rc8 21.Rac1=) 20.a5 Rc6 21.Na4 Qb4 22.Qb4 Nb4 23.Nb6 Ra7 (23...Re8 24.Rac1=) 24.Nd2 Rc5 (24...Na2 25.Bf3 Rc3 26.h3=) 25.Ndc4 (25.Rab1 Na2 26.Nbc4 Nc3–+) 25...Ncd5 26.Na4 Rc7 27.Rdc1 f5 28.g3 e4 29.Nab6 Nd3 30.Rcb1? (better is 30.Bd3 ed3 31.Rab1=) 30...Nc3–+ 31.Bd3 Nb1 32.Rb1? (better is 32.Nd6 Rc1 33.Bf1–+) 32...ed3–+ 33.Nd6 Rc2 34.Nb5 d2 (34...d2 35.Rd1 Rc1–+) 0–1. Fries Nielsen,JO (2450) – Hermansson,E (2425), Stockholm IM, 2002. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 Na6)

7.b5 Nc7 8.Bf6 Bf6 9.Nc3 Bc3 10.dc3 b6=.

5.e3 c5

6.b5 a6 7.a4 ab5 8.cb5 d5 9.Be2 b6 10.0-0 Nbd7 11.Nc3 Re8 12.Qc2 e5 13.h3 d4 14.Ne4 Bb7 15.Nf6 Nf6 16.Nh2 e4 17.ed4 cd4 18.Qb1 d3 19.Bd1 Rc8 20.Ng4 Ng4 21.Bg4 Bb2 22.Qb2 Rc2 23.Qb4 Qg5 24.f4 ef3 25.Bf3 Bf3 26.Rf3 Qd2 27.Qg4 Re2 28.Rg3 f5 29.Qg5 Qg5 30.Rg5 d2 31.Kh2 Re1 0–1. Abdullaevich (1795) – niponronin (1785), lichess.org, 2018.

6.b5 d5 7.Be2 Bf5 (7...a6 8.a4+=) 8.0-0 (8.cd5 Nd5 9.Bg7 Kg7=) 8...dc4 9.Bc4 (9.Na3 a6+=) 9...Bd3 (9...a6 10.Nc3+=) 10.Bd3= Qd3 11.a4 (11.Qb3 Rd8=) 11...Nbd7+= 12.Na3 (12.Ra3 Qf5=) 12...Nb6 (12...Ne4 13.Qb1 Qb1 14.Rab1+= (14.Nb1?? Bb2 15.Ra2 Bf6–+; worse is 14.Rfb1 Nb6+=)) 13.Ne5 (13.a5 Nc4 14.Nc4 Qc4=) 13...Qf5 (13...Qe4!? 14.d4 Rfc8+=) 14.a5= Na4?? (better is 14...Nc8=) 15.Qa4+– Ne4 (15...Rfd8 16.Rad1 Nd5+–) 16.g4 Qe6 17.Qe4 f6 (17...Be5 18.Qe5 Qg4 19.Qg3+–) 18.Qc4 (18.Qc4 Qc4 19.Nec4+–) 1–0. DEFFM – GuestZQHS, freechess.org, 2018.

6.bc5 Qc7 7.d4 Nc6 8.Nbd2 Re8 9.Be2 b6 10.cb6 Qb6 11.Bc3 Bb7 12.0-0 Qc7 13.a3 Rab8 14.Rb1 Na5 15.c5 Nd5 16.Ba5 Qa5 17.Nc4 Qc7 18.Rb3 Ba6 19.Qc2 Rb3 20.Qb3 Rb8 21.Qc2 d6 22.Rb1 Rb1 23.Qb1 Nc3 24.cd6 Nb1 25.dc7 Nc3 26.Bd3 Nd5 27.Nce5 Nc7 28.Ba6 Na6 29.Nc6 e5 30.Na7 ed4 31.ed4 f5 32.g3 Nb8 33.a4 Kf7 34.Nb5 Ke6 35.Kf1 Kd5 36.Ke2 Nc6 37.Ke3 Bh6 38.Kd3 Nb4 39.Kc3 Nc6 40.Nd2 Bg7 41.Nb3 Bh8 42.f4 Bg7 43.Nc7 Kd6 44.Ne8 1–0. Abdullaevich (1690) – HundEChess (1625), lichess.org, 2018.

6.d4 cb4 7.Qb3 Qa5+=.

6.bc5 Qa5

7.Qb3 Na6 8.Bc3 Qc5 9.d4 Qc7 10.Nbd2 d5 11.cd5 Nd5 12.Bb2 Qa5 13.Bc4 Nb6 14.0-0 Nc4 15.Nc4 Qb4 16.Ba3 Qb3 17.ab3 Re8 18.Rfc1 f6 19.Bb2 b6 (19...Rd8 20.h3+=) 20.Nfd2 (20.e4 f5+–) 20...Bb7 21.Na3 Nb4 (21...e5 22.Nb5 ed4 23.Nd6 (worse 23.Nd4 Red8=) 23...de3 24.fe3+=) 22.Rc7+– Rab8 23.Nac4 Nd5 24.Rd7 a5 (24...f5 25.Ne5 a6 26.Kf1=) 25.Ba3 (25.e4!? Nf4 26.d5+– (worse 26.Nb6 Bc6=+)) 25...Bc6 26.Ra7 Bf8 (26...f5 27.Ne5 Be5 28.de5=) 27.Rc1 Ra8 28.Ra8 Ba8 29.Kf1 (29.e4 Nf4 30.Kf1 Bh6+=) 29...Rb8 (29...f5+=) 30.f3 (better 30.e4 Nf4 31.g3+–) 30...b5 31.Na5 Ne3 32.Kf2 Nf5 33.Bc5 (33.Rc7 Kf7=+) 33...Rc8 (33...Bh6 34.Ke1-/+) 34.b4 (better 34.Re1!?=) 34...Nd4-/+ 35.Ke3? (35.Nab3 e5-/+) 35...e5 (better 35...Bh6 36.Kd3 Ne6–+) 36.Ne4?? (36.Kf2 Bd5–+) 36...Be4 (better 36...Bh6 37.Kf2 Bc1 38.Nf6 Kf7–+) 37.Ke4 Kf7 38.Rc3 Ke6?? (better 38...Ne6 39.Nb3 f5 40.Ke3 Nf4–+) 39.Bd4+– f5 40.Kd3 Rd8 41.Nc6 (41.Rc6!? Ke7 42.Rc7 Ke6 43.Nc6 Rd4 44.Nd4 ed4 45.Rh7 Bb4 46.Rb7+–) 41...Rd4+= 42.Nd4 ed4 43.Rc6 Kd5 44.Rb6 Bb4 45.Rb5 Bc5 46.Rb7 h6 47.Rh7 Ke6 (better 47...Bf8!?+–) 48.Rh6 Kf6 49.Kc4 Kg7 50.Rh4 (better 50.Rh3 f4+–) 50...g5? (50...Bb6 51.Rh3+–) 51.Rh5 (better 51.Kc5!? gh4 52.Kd4 Kf6+–) 51...Kg6 52.Rh8 (52.g4!? Be7 53.Kd4 Bd8+–) 52...Be7 53.Rb8 g4? (better 53...Bf6+–) 54.fg4 fg4 55.Kd4 Kf5 56.Rb1 Bd6 57.Rf1 Kg6 58.g3 (58.g3 Bb4 59.Ke5+–) 1–0. Amor Alcaide,Manuel – Sorroche Martin,Jose Maria (2275), St Cugat op, 1998.

7.Qb3 Na6 8.Bc3 Qc5 9.d4 Qf5 10.Nbd2 b6 11.Bb2 d6 12.Bd3 Qd7 13.0-0 Bb7 14.a4 Rab8 (14...Rfe8 15.Qa3+=) 15.Bc3 White prepares a5 (15.h3 Rfe8+=) 15...Rfe8 16.Qc2 Rec8 (16...e5!? 17.de5 Ng4=) 17.Rfb1+= Nc7 18.a5 (18.Ra3 Ba6+=) 18...b5= 19.e4 bc4 20.Nc4 d5 21.Nce5 Qe8 22.a6 Ba8 23.Rb8 Rb8 24.Ba5 (24.Ng5!?=) 24...Ne6+= 25.ed5 Nd5 26.Re1 Nb4 (26...Ndf4!? 27.Be4 Qb5-/+) 27.Bb4= Rb4 The isolani on d4 becomes a target 28.Qd2 Rb6 29.Bc4 (29.d5 Bd5 30.Bg6 hg6 31.Qd5 Be5 32.Ne5 Kg7=) 29...Bf3+= 30.Nf3 Qa4 31.Rc1 Rc6 (31...Qd7 32.Rd1+=) 32.Be6 (32.Qc3 Bf6+=) 32...fe6 (32...Re6 33.Rc8 Bf8 34.h3 Qa1 35.Kh2 Qa6 36.Qc3+=) 33.Re1 (33.Rc6 Qc6 34.Qf4 Bf6=) 33...Qa6 34.Qf4 Bf6 35.h4 Qa5 36.Rb1 (36.Rd1 Rc4+=) 36...Qc7 (36...Qf5 37.Rb8 Kg7 38.Qe3-/+) 37.Qh6+= a5 38.g3 (38.Re1 a4 39.h5 gh5+=) 38...Rc3-/+ 39.Ng5?? (better is 39.Kg2-/+) 39...Rc1–+ 40.Rc1 Qc1 41.Kg2 Bg5 42.hg5 a4 43.Qh3 (43.Qh4 Qc6 44.d5 Qd5 45.Kh2–+) 43...Qc6 44.Kh2 (44.d5 Qd5 45.Kh2–+) 44...a3 45.Qf1 a2 46.Qe1 Kf7 (better is 46...Qc2 47.Qe6 Kf8 48.Qa6 Qf2 49.Kh3 Qf5 50.Kg2 Qe4 51.Kh2 Qc2 52.Kh3–+) 47.Qd1 (47.d5 Qc2 48.de6 Kg8 49.Kg2–+) 47...Qc3 48.Qg4 a1Q 49.Qf4 Ke8 50.Qb8 Kd7 51.d5 Qa6 (51...Qa6 52.de6 Qe6–+) 0–1. Malatsilava,Volha (1985) – Drogovoz,Irina (2255), Batumi GEO, 2014. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c5 6.bc5 Qa5)

7.Nc3 Ne4 8.Ne4 Bb2 9.Rb1 Bg7 (9...Qa2?? 10.Qc2+–) 10.Qc2 f5 11.Ng3 Qc5 12.d4 Qc7 13.Bd3 d6 14.Qb3 e6 15.0-0 Nc6 16.Rfc1 Na5 17.Qb4 e5 18.Bf1 (18.c5!? Qd8 19.cd6 ed4 20.Nd4 Bd4 21.Qd4+/–) 18...Nc6= 19.Qd2 f4 20.Ne2 (20.ef4!? ef4 21.Ne2+=) 20...Bf5 21.Rb2 fe3 22.fe3 Be4 (better is 22...Bg4!?-/+) 23.Ng5= ed4 (23...Bf5 24.Nf3 Bg4-/+) 24.Ne4+/– de3 (24...Rae8 25.Qd3 Qe7 26.N2g3+/–) 25.Qd5+– Kh8 26.Rb3 Rae8 27.Re3 (better is 27.Qd6 Qe7 28.Qe7 Re7 29.Nd6+– (29.Re3?! Rfe8=)) 27...Bh6 28.Rf3 Bc1 29.Nc1 Qb6 30.c5 dc5 31.Qc5 (31.Rf8!? Rf8 32.Qc5 Qc5 33.Nc5+=) 31...Rf3 32.gf3 Qb2 33.Nd3 Qd4 (33...Qa2?? 34.Qc3 Kg8 35.Nc1+–) 34.Qd4 Nd4 35.Kf2 Rc8 36.Ke3 Nf5 37.Kd2 Nd4 38.Ne1 Kg7 39.Bh3 Rd8 40.Ke3 Nf5 41.Bf5 gf5 42.Nc5 Re8 43.Kf2 b6 44.Ncd3 Kf6 45.h4 Rd8 46.Ke3 Re8 47.Kd2 a5 48.Ng2 Rc8 49.Ngf4 Rc4 50.Nd5 Ke6 51.Nb6 Rh4 52.Kc3 h5 53.Nc4 a4 54.a3 Rh2 55.Kd4 h4 56.Ke3 (56.Nc5 Kf6 57.Na4 h3–+) 56...Rc2 57.Nb6?? (better is 57.Nf4 Kf6 58.Kd4=) 57...Rc3–+ 58.Na4 Rd3! (58...Rd3 59.Kf2 Ra3–+; 58...Ra3?! 59.Nab2=) 0–1. Gonzalez Lopez,NM (1860) – Obando Guzman,SF (1755), Bogota COL, La Florida Open, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 c5 6.bc5 Qa5)

7.Be2 Qc5 8.0-0 d6 9.d4 Qb4 10.Qd2 Qd2 11.Nbd2 Bf5 12.h3 h5 13.Nh4 Bd7 14.f4 Nc6 15.Rab1 b6 16.Rbc1 d5 17.cd5 Nd5 18.Kf2 Bf6 19.Nhf3 Rac8 20.Ba6 Rc7 21.Bc4 Ncb4 22.Ne1 (22.Ba3 Rfc8 23.Ne5 Be5 24.fe5 b5 25.Bd5 Nd5 26.Rc7 Rc7=) 22...b5 23.Bd5 Rc1 24.Bc1 Nd5 25.Ne4 Bf5 26.Nf6 Nf6 27.Kf3 Rc8 28.Ba3 Ne4 29.Bb4 Rc1?? (better is 29...h4+=) 30.g4+– Bc8? (better is 30...e6+–) 31.Ke4 hg4 32.hg4 Bg4 33.Be7 Rc8 34.Bf6 Rc6 35.Be5 f6 36.Bb8 a5 37.Kd5 Rc8 38.Bd6 Kf7 39.Ke4 Be2 40.Rf2 Re8 41.Kd5 Re3 42.Kc5 Bc4 43.Ng2 Re8 44.a3 Ke6 45.f5! gf5 46.Bh2 ½–½. Buetow,Ingo (1710) – Carmesin,Matthias, Niedersachsen–ch, 2008. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c5 6.bc5 Qa5)

7.Be2 Nc6 8.0-0 Qc5 9.d4 Qb6 10.Qb3 Qc7 11.Nc3 d6 12.Rfc1 Na5 13.Qb4 Nc6 14.Qa3 Bf5 15.d5 Nd8 16.Nb5 Qc5 17.Qb3 Ne4 18.Bd4 Bd4 19.ed4 Qc8 20.c5 dc5+/– 21.dc5 Nc5 22.Qe3 b6 23.Qe7 Qd7 24.Qh4 a6 25.Nbd4 Qd5? 26.Ng5+– h5 27.Bf3 Be4 28.Ne4 (28.Ne4 Ne4 29.Qe4 (29.Be4?! Qd4 30.Qe7 Rc8=) 29...Qe4 30.Be4+–; 28.Be4?! Qd4 29.Re1 Re8=) 1–0. Weber,Siegfried (2290) – Heyme,Sibylle, Berliner Sommer, 1993.

7.Be2 Na6

8.0-0 Nc5 9.d4 Na4 10.Bc1 Ne4 11.Bd3 Nec5 12.Bc2+/– d6 13.Bd2 Qa6 14.dc5 Ba1 15.Ba4 Qc4? 16.cd6+– ed6 17.Na3 Qa6 18.Qa1 Qa4 19.Qf6 (19.Qf6 Qa3 20.Bc3 Qc3 21.Qc3+–) 1–0. Nogueiras Santiago,J (2545) – Torres Rosas,L (1945), XX Carlos Torre Magistral, Merida MEX, 2007.

8.Bc3 Qc5

9.0-0 Qc7 10.d3 Nc5 11.Nbd2 d6 12.a4 e5 13.Ra3 a6 14.Qa1 Re8 15.a5 Bf5 16.Bb2 Qe7 17.Rd1 Rac8 18.Ne1 h5 19.h3 Nh7 20.d4 ed4 21.Bd4 Bd4 22.Qd4+= Ng5 23.Nef3 Nge4 24.Ne4 Ne4 25.Rb3 Rc5 26.Qb2 Bc8 27.Qa1 g5 28.Bd3 g4= 29.Be4 Qe4 30.Rd4 Qc2 31.Rc3 Qf5 32.hg4 hg4 33.Nh4 Ra5-/+ 34.Qb2 Qe5 35.g3 Kg7 36.Rc1 Rc5 37.Qd2 b5 38.cb5+= Rc1 39.Qc1 ab5 40.Qc6 b4 41.Rb4= Rd8 42.Qc7 Qa1 43.Kh2 Re8 44.Qd6 Qe5 45.Qc6 Rh8 46.Rf4 Be6 47.Qb7 Rb8 48.Qe7 Rb5 49.e4 Qc5?? 50.Qf6+– Kg8 51.Nf5 Bf5 52.Rf5 Qb6 53.Qf7 Kh8 54.Qf8 (54.Qf8 Kh7 55.Rf7 Kg6 56.Rg7 Kh5 57.Qe8 Qg6 58.Qg6#; 54.Qh5 Kg8 55.Qg5 Kh8 56.Rf8 Kh7 57.Rf7 Kh8 58.Qg7#) 1–0. Anastasian,A (2590) – Petrosian,TL (2440), CXIII ch–ARM, Yerevan ARM, 2003.

9.0-0 Qc7 10.d3 d6 11.a4 Nc5 12.Nbd2 e5 13.Qc2 Bf5 14.Rfd1 Rac8 15.a5 Rfe8 16.e4 Bd7 17.Nf1 Nh5 18.g3 Bc6 19.Ne3 Qd7 20.Qa2 Nf6 21.Bb4 Qc7 22.Qa3 Nfd7 23.Nd2 Rf8 24.Bg4 Qd8 25.Bh3 Qg5 26.Bc5+= dc5 27.Nf3 Qh6 28.Bg2 f5+= 29.Nd5 Rce8 30.ef5 Bd5 31.cd5 e4 32.de4= Ba1 33.Qa1 Re4 34.fg6 hg6 35.d6+= Qg7 36.Qa2 c4 37.Qc2 Rfe8+= 38.Bf1 Qf6 39.Kg2 Kg7= 40.h4 b5 41.ab6 ab6 42.Rd5 c3 43.Rg5 Rf8? 44.Qe4+– Qf3 45.Qf3 Rf3 46.Kf3?? c2= 47.Bb5 c1Q 48.Bd7 Qh1 49.Ke3 Qe1 50.Kf3 Qh1 51.Kf4 Kf6 52.Bb5+/– Qc1 53.Ke4 Qe1+/– 54.Kd5 Qh1+= 55.Kd4 Qa1= 56.Ke3 Qe1 57.Be2 Qc1= 58.Ke4 Qe1 59.Kf3 Qh1 60.Kf4 Qc1 61.Kg4 Qc8 62.Kf3 Qc6 63.Ke3 Qc1 64.Kd3 Qb1 65.Kd4 Qb2 ½–½. Anastasian,A (2585) – Petrosian,TL (2475), Petrosian Mem, Stepanakert AZE, 2004.

9.0-0 Qc7 10.d4 Ne4 11.Bb2 b6 12.Na3 d6 13.Nb5 Qd7 14.a4 Nc7 15.Ne1 a6 16.Na3 Nc5 17.Nb1 N5e6 18.Nc3 Bb7 19.Rb1 Rab8 20.Ba1 Ba8 21.Rb3 Ng5 22.Qb1 Qf5 23.Qf5 gf5 24.Nd3 e5 (better is 24...Ne4!? 25.Rd1 Rfc8+=) 25.de5+– de5 26.Rfb1 e4 27.Nf4 Rfd8 (27...Bc6 28.a5 Bc3 29.Bc3+– (29.Rc3?! ba5 30.Rcc1 h6+=)) 28.Rb6 (28.a5 b5+–) 28...Rb6 29.Rb6 Nge6 30.Nh5 Be5 31.Bb2 h6 (31...Rd2 32.Rb8 Nf8 33.Nd5+–) 32.Nd5+– Nd5 33.cd5 Bb2 34.Rb2 Bd5 35.Ba6 Bc6 36.h4 Ba4+= 37.Ng3 Rd5 38.Rb6 Rd1 39.Kh2+/– Rd5 40.Bc4 Re5 41.Nh5 Kf8 42.Ra6 Be8 43.Nf6 Nc7 44.Nd7 (44.Nd7 Bd7 45.Rh6–+) 1–0. Oltean,Dorel (2390) – Barbu,Nicolae (2260), ROM–chT2 Sovata, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c5 6.bc5 Qa5)

9.0-0 d5 10.cd5 Qd5 11.Be5 Bg4 12.Nc3 Qa5 13.Qa4 Qa4 14.Na4 Bd7 15.Ba6 ba6 16.Nc5 Bb5 17.Rfc1 Nd7 18.Bg7 Kg7 19.Nd7 Bd7 20.Rc7 Rfd8 21.Ne5 Be6 22.d4 Kf8 23.a3 Rdc8 24.Rac1 Rc7 25.Rc7 Rc8 26.Rc8 Bc8 27.Kf1 f6 28.Nd3 Kf7 29.Ke2 Ke6 30.e4 Kd6 31.f4 White intends e5 31...f5 32.e5 Kd5 33.Ke3 Kc4 34.Nc5 a5 35.g3 Kc3 36.h4 Kc4 37.Nd3 Bb7 38.Nc5 Bc8 39.Nd3 Kb3 1–0. Kherdekar,Saurabh (2285) – Karavade,Eesha (2320), Pune CC Knockout rapid, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c5 6.bc5 Qa5)

9.d4 Qc7 10.Nbd2 d5 11.Rc1 Bg4 12.0-0 dc4 13.Nc4 (13.Bc4 Rac8+=) 13...Bf3= 14.gf3 Nd5 15.Ba5 Qd7 16.f4 Nab4 17.Qb3 Nc6 18.Bf3 Rac8 (worse is 18...Na5 19.Na5 Nb6 20.Nb7+/–) 19.Kh1 b6 (worse is 19...Na5 20.Na5 b6 21.Qd5 Qd5 22.Bd5 ba5 23.Kg2+/–) 20.Bd2 Rfd8 21.Ne5 Ne5 22.fe5 e6 23.a4 h5 24.a5 b5 25.a6 b4 26.Rb1 Rb8 27.Rfc1 Rb6 28.Be2 Nc3? (better is 28...Nc7!?+=) 29.Bc3+– Qc6 (better is 29...bc3!? 30.Qc3 Rb1 31.Rb1 Rc8+–) 30.d5 Rd5 31.Bd2! Rc5 (31...Rd2 32.Rc6 Combination) 32.Kg1 Be5 33.Qd3 Bc7? 34.e4+– b3 35.Rc5 Qc5 36.Be3 Qe5 37.f4 Qf6 38.e5 Qh4 39.Rb3 Qe1 40.Bf1 Rc6 41.Rb1 Qh4 42.Bg2 Qg4 43.Kh1 (43.Kh1 Ra6 44.Qa6+–) 1–0. Cruz Alvarez de Ron,Dan (2185) – Gautier,Serge (2100), Paris–ch opB, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c5 6.bc5 Qa5 7.Be2 Na6)

6.bc5 Na6

7.d4 b6 8.cb6 Qb6 9.Qb3 Qa5 10.Bc3 Qf5 11.Nbd2 Rb8 12.Qd1 (12.Qa3 Qe6+–) 12...Nb4 13.Bb4 Rb4 14.Nb3 (14.Rb1 Rb7+–) 14...Bb7+= 15.d5 (15.a3 Bf3 16.gf3 Rb6+=) 15...Ne4 16.Nfd4 0–1. GregJohnstone – GuestWRTB, freechess.org, 2019.

7.d4 b6 8.cb6 Qb6 9.Bc3 +/–.

7.d4 Ne4 8.Qb3 (8.Qc2 Qa5 9.Nbd2 Nd2 10.Nd2 e5+/–) 8...Qa5 (8...e5 9.Ne5 Be5 10.de5 Nac5 11.Qa3+/–) 9.Nbd2 Nd2 10.Nd2 Rb8 (10...e5 11.Qb5 Qc7 12.Rd1+/–) 11.Qa3 b6 (11...Qd8 12.Bd3+/–) 12.Rb1 Nb4 (12...Re8 13.Be2+/–) 13.Qa5+– ba5 14.a3 Nc2? (better is 14...Na6+–) 15.Kd1 Ne3 (15...Nd4 16.ed4 d6 17.Bc3 Rb1 18.Nb1+–) 16.fe3 f5 (16...Bb7 17.Bc3+–) 17.Be2 (17.Bd3 a6+–) 17...f4 18.e4 d6 (18...Rb2 19.Rb2 Bd4 20.Rb5+–) 19.cd6 ed6 20.Rf1 Ba6 (20...a6 21.Bc3 Rb1 22.Nb1+–) 21.Kc2 Rb7 22.Bc3 Re7 23.Bf3 a4 24.Rb4 h5 25.Ra4 Bc8 26.Kd3 h4 27.Bb4 Rd8 28.e5! de5 29.Be7 Rd4 30.Ke2 Kf7 31.Ra7 Ke6 32.Bg4 Kf7 33.Bc8 Bh6 34.Bg5 Ke8 35.Bh6 (35...Rd8 36.Rb1 f3 37.Nf3 Rd6 38.Be6 Rd2 39.Bd2 Kd8 40.Rb8) 1–0. Sopermi (2165) – wtigre (1965), ajedrez21.com, 2001.

6.bc5 b6

7.cb6+/- ab6 8.Nc3 Bb7 9.d3 Bc6 10.Be2 d6 11.0-0 Nbd7 12.Rc1 Nc5 13.h3 Qb8 14.Qc2 Rc8 15.Qb1 Qa7 16.Nd4 Bb7 17.Ndb5 Qa5 18.Rfd1 Na4 19.Na4 Qa4 20.a3 Nd7 21.Bg7 Kg7 22.Qb2 Kg8 23.Ra1 Nc5 24.Nc3 Qa5 25.a4 Bc6 26.Ra3 h5 27.Rda1 Qa7 28.d4 Nd7 29.Nb5 Qb7 30.Bf1 Be4 (30...Ra5 31.d5 Bb5 32.ab5+- (32.cb5?! Qd5 33.Qb4 Nc5=)) 31.a5 (31.Nc3!? e6+-) 31...ba5 32.Ra5 Ra5 33.Ra5 Qb8 34.Qa3 Bb7 35.Qb2 Bc6?? (35...Be4 36.Ra7 Bc6+-) 36.Ra3 Nb6 (36...Bb5 37.Qb5 Qc7 38.Bd3+-) 37.Rb3 (better 37.Nd6!? Qd6 38.c5 Qf6 39.Qb6 Qg5+-) 37...Qa8 38.Nd6! Na4 (38...ed6 39.c5 Double attack (39.Rb6 Discovered attack; 39.c5 Decoy)) 39.Nc8 Nb2 40.Ne7 Kf8? (better 40...Kg7 41.Nc6 Qa2 42.Rb2 Qb2+/-) 41.Nc6+- Qa1 (41...Qa2 42.Rb8 Kg7 43.Nb4+-) 42.Rb8 (better 42.Ne5!? g5+-) 42...Kg7 43.Ne5 Qa7?? (43...f6 44.Rb7 Kg8+-) 44.Rb2 Qe7 (44...f6 45.Nc6 Qa1 46.Rb7 Kh6 47.Rf7+-) 45.Rb5 (45.c5 f6 46.c6 fe5+-) 45...h4 (45...f6 46.Nc6 Qd7 47.Rb6+-) 46.Nf3 (better 46.Rd5!? Qe8+-) 46...Qd8 47.Re5 Qc7 48.Nh4 Qa7 49.Nf3 Qa3 50.c5 Qc1 (50...Qa7 51.Rd5 Qb7 52.Rd6+-) 51.Rd5 Kf8 (51...f6 52.Rd7 Kf8 53.Rc7+-) 52.Rd7 (52.Ne5 f6 53.Ng6 Kf7+-) 52...Ke8 53.Rc7 f6 (53...f5 54.Ne5 f4 55.ef4+-) 54.c6 g5 55.d5 Qc5 56.Rd7 1-0. bjoernsen (2445) - Waderpl (2500), Rated blitz game, lichess.org, 2021.

7.cb6+/- ab6 8.Nc3 Bb7 9.Be2 Nc6 10.0-0 d5 11.Nd5 Nd5 12.Bg7 Ne3 (12...Kg7 13.cd5 Qd5 14.Qc2+/-) 13.de3+- Kg7 14.Qd8 Rfd8 15.Rfb1 Na5 16.Rb6 Be4? (16...Bf3 17.Bf3 Nc4 18.Rb4+/-) 17.Nd4 (17.Rc1 h6+-) 17...Rac8 (17...e5 18.Nb5+-) 18.Rc1 (18.f3 e5 19.Nb3 (19.fe4?! ed4 20.ed4 Rd4+/-) 19...Nb3 20.ab3+- (20.fe4 Na1 21.Rb2 Rb8-+; 20.Rb3?! Bc2 21.Rc3 Rd2+-)) 18...e5+/- 19.Nb3 White prepares the advance c5 19...Nb3 (better 19...Nc4!? 20.Rb4 Nd6+/-) 20.ab3+- (20.Rb3?! Rd2 21.Kf1 Ra2+/-) 20...Rd2 21.Bf3 (21.Bf1 Rcd8 22.f3 Bd3+-) 21...Bf3 22.gf3 Ra8 23.c5 Raa2 24.Rf1 Rab2 25.b4 Rdc2 26.c6 Rc4 27.b5 Rc5 28.Rb7 (28.Kg2 Rbb5 29.Rb5 Rb5+-) 28...Rbb5 29.Rb5 Rb5 30.Rc1 Rb8 31.Kg2 Kf6 32.Kg3 Ke6 33.f4 ef4 (33...Rc8!?+/-) 34.Kf4+- f6 35.c7 Rc8 36.h4 (36.Rc6!? Kd5 37.Rf6 Rc7 38.e4 Kc5 39.e5+-) 36...Kd6+/- 37.h5 (37.e4!? Rc7 38.Rc7 Kc7 39.e5=) 37...Rc7= 38.Rc7 Kc7 39.hg6 hg6 40.e4 Kd6 41.Ke3 g5 42.f4 gf4 43.Kf4 Ke6 44.Kf3 Ke7 45.Ke3 Ke6 46.Kf4 Ke7 47.e5 Ke6 48.ef6 Kf6 ½-½. GaMbit9285 (2575) - ajedrez2021 (2645), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...g6 2.e3 Bg7 3.c4 Nf6 4.b4 0-0 5.Bb2)

7.cb6+/- ab6 8.Be2 Bb7 9.0-0 Nc6 10.Nc3 Na5 11.Nb5 Rc8 12.Rc1 (12.d3 d5 13.cd5 Qd5+/-) 12...d5 (12...Bf3 13.Bf3 Rc4 14.Qe2+=) 13.cd5+/- Qd5 14.d4 (14.Qa4!?+/-) 14...Qa2+= 15.Rc8 (15.Bc3 Ne4=) 15...Rc8= 16.Qa1 (16.Qb1 Qb1 17.Rb1 Be4=) 16...Qa1=+ 17.Ba1 (17.Ra1? Rc2 18.Bc3 Re2-+) 17...Rc2 18.Bd1? (18.Bd3 Ra2=) 18...Rc1?? (better 18...Ra2 19.Bc3 Ba6-+) 19.Bc3 (19.Be2 Nb3 20.Rc1 Nc1=) 19...Ba6=+ 20.Be2 (20.Bd2 Rd1 21.Rd1 Bb5=+) 20...Bb5 (20...Rc2!? 21.Ba5 ba5-/+) 21.Rc1=+ Be2 22.Ne5 Bf8 (22...Nc4 23.Nc4 Bc4 24.Bb4-/+) 23.Bb4 (23.Ba5 ba5 24.Ra1 Ng4=) 23...Nd5 24.Ba3? (better 24.Ba5!? ba5 25.Rc2=) 24...Kg7 (24...f6!? 25.Nc6 Nc6 26.Rc6-+) 25.Rc8-/+ Ba6 (25...b5 26.e4 b4 27.Ra8-/+) 26.Ra8 (26.Rd8 Nc4 27.Rd5 Na3 28.Rd8=+) 26...Bb7 (better 26...Bb5-+) 27.Rb8= Bc6 (27...Nf6 28.f3=) 28.e4 Nf4 29.d5 Ba4 30.Rb6 Ne2 (30...Bc2 31.Rb8 Be4 32.Bb4=+) 31.Kh1 (31.Kf1 Nf4 32.Bb4 Nb3+/-) 31...Nc3? (better 31...f6!? 32.Rb4 Be8+=) 32.Bb2 (32.Bb2 Nd1 33.Ng6 Nb2 34.Nf8=) 1-0. carlos78 (2205) - HandKnit (2180), Rated Blitz game, lichess.org, 2015.

5.e3 Nc6

6.a3 a6 7.Be2=.

6.a3 e6 7.Be2 b6 (7...d5 8.d4+=) 8.0-0 Bb7 9.d3 (9.d4 a6+=) 9...d5 (9...a6 10.d4+=) 10.Nbd2 (10.cd5 Qd5 11.Nc3 Qd6+=) 10...dc4 11.dc4 Qe7 (11...a6 12.Qc2+=) 12.Qc2 (12.b5 Na5+=) 12...Rfd8 13.b5 (13.Rad1 a6+=) 13...Na5 (13...Nb8 14.Rfd1=) 14.Rad1 (14.Rfd1 c6+=) 14...Rd7 (14...a6 15.Ne5=) 15.Nb3 (15.Ne5 Rdd8+/–) 15...Nb3 16.Rd7 Qd7 17.Qb3 Rd8 (17...c5 18.Rd1 Qe8 19.Be5+=) 18.Rd1 (18.Qa4 Ra8+=) 18...Qe7 19.Rd8 Qd8 20.h3 (20.Qc2 a6+=) 20...h6 21.Nd4 (21.Qa4 Qa8=) 21...Ne4 22.Qa4 (22.Qc2 Nc5=) 22...Qb8?? (better is 22...Qh4 23.g3 Ng3–+ (23...Qh3?! 24.Bf1 Qg4 25.Be2-/+)) 23.Qc2 (23.Bf3 Nd6+=) 23...Nc5 (23...e5 24.Nb3=) 24.Bf3+= Bf3 25.gf3 (25.Nf3!? Qf8 26.Bg7 Qg7 27.Qd1+=) 25...Qd8= 26.Nc6 Qg5 27.Kh2 Bb2 28.Qb2 Nd3 (28...Qh4 29.Ne5=) 29.Na7?? (better is 29.Qe2 Nc5 30.Na7 Qe5 31.f4=) 29...Nb2 (29...Nb2 30.h4 Qh4 31.Kg1 Nd1 32.Kg2 Qf2 33.Kh3 Qf3 34.Kh2 Ne3 35.Nc6 Qg2; 29...Ne1 30.Qh8 Kh8 31.Nc6 Qg2) 0–1. GuestSLRB – GuestXTQY, freechess.org, 2016.

6.a3 Re8 7.Be2 e5 8.0-0 d6 9.d4 Bg4 10.de5 Bf3 11.ef6 (11.gf3?! Ne5 12.f4 Nc6=; worse is 11.Bf3 de5 12.Bc6 bc6+=) 11...Be2 12.Qe2 Bf6 13.Bf6 Qf6 14.Nd2 Rad8 15.Nf3 Ne5 16.Ne5 Qe5 17.Rfd1 a6 18.Rd4?? (18.Rac1 Qe4+=) 18...c5 (18...Qd4! 19.Rd1 (19.ed4?? Re2 20.Rd1 Rde8–+) 19...Qc3 20.Qd3 Qd3 21.Rd3–+) 19.bc5?? (19.Rdd1 d5+=) 19...dc5 (better is 19...Qd4! 20.Rd1 Qc5–+) 20.Rd8 Qa1 21.Qf1?? Qf1–+ (21...Qf1 22.Kf1 Rd8–+) 0–1. Fournier,Frederic (1790) – tantal, Active (5/0), 2005.

6.b5 Nb4?? 7.a3+– Ne4?! (7...Nc6 8.bc6 dc6+–) 8.Bg7 Kg7 9.ab4 Nf2 (9...d5+–) 10.Kf2 e6 (10...d5 11.Nc3 dc4 12.Bc4+–) 11.Qc2 c6 (11...e5 12.Be2+–) 12.Qc3 Kg8 13.bc6 dc6 14.h4 (14.d4 Qe7+–) 14...Qc7 (14...b6 15.h5+–) 15.h5 a6 16.Qf6 gh5 (16...Qd8 17.Qd8 Rd8+–) 17.Rh5 e5 (17...Re8+–) 18.Rg5 1–0. GuestMNZJ – GuestNQCZ, freechess.org, 2017.

6.a3 d6

7.Be2 a6 8.d4 e6 9.0-0 Ne7 10.Nbd2 b5 (10...b6!?+=) 11.cb5+/– ab5 12.Bb5 Ned5 13.Bc6 Ra6 14.Bd5 Nd5 15.Qe2 Re8 16.Rfc1 Nb6 17.Qd1 Na4 18.Qc2 Nb2 19.Qb2 e5 20.Qc2 ed4 21.Nd4 c5 22.b5?? (better is 22.bc5!? dc5 23.Qc5+–) 22...Rb6 (better is 22...cd4!? 23.ba6 de3 24.fe3 Ba1 25.Ra1 Ba6=) 23.Nc6+= Qc7 24.Rab1 Bf5 25.e4 Bd7 26.Nc4 Rb7? 27.f3 d5 28.Nd2 de4 29.Ne4 Bf5?? 30.Qc5 Qd7 31.Rd1 Qc7 32.a4 Bd7 33.Nd6 Bf8 34.Qd5?? Bd6-/+ 35.Qd6 Bc6?? 36.Qc6+– Qb8 37.Rd7 Rd7 38.Qd7 Rd8 39.Qc6 Qa8? 40.Qa8 Ra8 41.Ra1 Kf8 42.a5 Ke7 43.Kf2 Kd6 44.Ke3 Kc5 45.b6 Kb5 46.b7 Rb8 47.a6 Kb6 48.Kd4 Ka7 49.Kc5 Rd8 50.Kc6 Re8 51.Kd7 Re6 52.Rc1 Rb6 53.Rc8 f5 54.Kc7 Ka6+– 55.Ra8 Kb5 56.b8Q Rb8 57.Rb8 Kc5 58.Re8 Kd5 59.Kd7 Kd4 60.Re1 h5 61.Ke7 g5 62.Kf6 g4 63.fg4 fg4 64.Kg5 h4 65.Kh4 g3 66.Kg3 (66.Kg3 Kd5 67.h4+–) 1–0. Fournier,Frederic – eltatoivan (1750), Active, 2007.

6.a3 Nh5

6.b5 Na5

7.Be2 a6 8.0-0=.

7.Be2 a6 8.a4 c6 9.0-0 Qc7 10.Nc3 cb5 11.cb5 d6 12.Rc1 Qb6 13.Ba3 Bd7 14.Rb1 Qc7 15.Rb4 ab5 16.Nb5 Qb8 17.Nc3 Nc6 18.Rb2 Rc8 19.Qb1 Nd8 20.Bb5 Bf5 21.Bd3 Be6 22.Nd4 Nd5 23.Nd5 Bd5 24.Rb4 Qa7 25.Bb2 Nc6 26.a5?? Nb4–+ (26...Nb4 27.Be2 h6–+) 0–1. Rooijen Van,Peter (1655) – Bokros,Janos (1695), RC–2009–0-00028, 2009.

7.Be2 a6 8.a4 c6 9.Na3 d5 10.cd5 cd5 11.0-0 Bf5 12.Be5 ab5 13.ab5 Ne4 14.Bg7 Kg7 15.Nc2 Qd6 16.Ra3 Kg8 (16...Nf6 17.d3=) 17.d3+= Nf6 18.Qd2 b6 19.Qb4 Qb4 (19...Nb7 20.Rfa1 Ra3 21.Ra3=) 20.Nb4+= Bd7 21.Nd4 (21.d4 Rac8+=) 21...Rac8 (21...Rfc8 22.Rfa1 Rc5 23.Nbc6 Bc6 24.Nc6 (worse 24.bc6 Rc8-/+) 24...Rb5 25.Ne7 Kg7 26.Nc6=) 22.f4 e6 23.Rb1 Ne8 24.Bd1 (24.e4 de4 25.de4 f6+/-) 24...Nd6+= Exerts pressure on the isolated pawn 25.Ba4 Nab7 26.Nbc6 Ra8 27.Ne5 Nc5 (27...Be8 28.Rba1=+) 28.Rba1 (28.Nd7 Nd7 29.Rba1 Nc5=) 28...Rfc8 (28...Be8 29.Nec6=+) 29.Ndc6 (29.Nd7!? Nd7 30.Kf2=) 29...Bc6=+ (worse 29...Ra4 30.Ne7 Kg7 31.Ra4+/-) 30.bc6 b5 (30...Kg7!?=+) 31.Bb5 Ra3 32.Ra3 f6 33.Rc3 fe5 34.Rc5 Nb5 35.Rb5 ½-½. Hausrath,D (2480) - Parvanyan,Ashot (2445), Bundesliga, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3)

7.Be2 a6 8.Nc3 ab5 9.cb5 d5 10.d3 c5 11.0-0 Bf5 12.Rc1 c4 13.Ba1 Qb6 14.dc4 dc4 15.Qd4 Qd4 16.Nd4 Bd3 17.Bd3 cd3 18.Rfd1 e5 19.Nf3 e4 20.Nd2 Rfe8 0–1. Nepper,Jens Thomas (1970) – Balshaw,Anthony, WS/H/173 ICCF, 2009.

7.Be2 d5 8.cd5+= Qd5 9.Nc3 (9.Bc3 b6+=) 9...Qc5 (9...Qd8 10.d4+=) 10.Qa4+/– b6 (10...Qb6 11.Ba3 c5 12.d4 cd4 13.Nd4+/–) 11.0-0 (11.Ba3 Qf5 12.Be7 Re8+/–) 11...Bd7 (11...Qd6!?+=) 12.Ba3+– Qf5 (12...Qh5 13.Nd4 Bg4 14.Be7 Be2 15.Nde2+–) 13.Nd4 Qg5 14.f4 Qh4 (14...Qh6 15.Be7 Rfe8 16.Nd5+–) 15.Be7 Rfe8 (15...a6 16.Nf3 (16.Bf8?! Rf8 17.Nf3 Qh5+–) 16...Qh5 17.Qd4+–) 16.Nd5!! a6 (16...Nd5 17.Bh4 Pinning (17.Bh4 Deflection)) 17.Bf6 Bf6 18.g3 ab5 19.Bb5 Bb5 20.Qb5 (better is 20.Nb5 Nb7 21.Qc2 c6 22.gh4 cd5+–) 20...c6 (20...Bd4 21.gh4 c6+–) 21.Nc6 Qh6 (21...Ba1 22.gh4 Nc6 23.Ra1+–) 22.Nf6 Kh8 (22...Kf8 23.Qb4 Kg7 24.Qc3+–) 23.Ne8 Re8 24.Na5 ba5 25.Qe8 Kg7 1–0. DEFFM – therookster, freechess.org, 2017.

6.b5 Nb8

7.Nc3 c6 8.Be2 d6 9.0-0 cb5 10.cb5 Bg4 11.Rc1 Nbd7 12.h3 Bf3 13.Bf3 (worse is 13.gf3 d5=) 13...Rb8 14.d4 Nb6 15.Qb3 Qd7 16.e4 Bh6 17.Rcd1 e6 18.e5 Ne8 19.d5 ed5 (19...Rc8 20.Bg4 Nc4 21.Ne4+–) 20.Nd5+– Nd5 21.Bg4 Qc7 22.Rd5 Qb6 23.e6 Qc7 24.Re1 Rc8?? 25.e7 Rb8 26.Qa4 b6 27.Rdd1 Bg5 28.ef8Q Kf8 29.Bf3 Ng7 30.Rd6! Qd6 31.Ba3 (31.Ba3 Rd8 32.Qa7+–) 1–0. Baer,Werner (2255) – Brylski,Nils, RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3)

7.Be2 a6 8.0-0 ab5 9.cb5 d5 10.d4 Qd6 11.Nc3 Bf5 12.a4 Nbd7 13.Ba3 Qb6 14.Be7 Rfe8 15.Bb4 c6 16.a5 Qc7 17.a6 b6 18.Qa4 Be4 19.bc6 Nf8 20.Nh4 Ng4 21.Bg4 g5 22.Nf5 Bf5 23.Bf5 Ne6 24.Nd5 Qc8 25.Nb6 Qb8 26.Na8 Qa8 27.a7 Bf8 28.Bf8 Rf8 29.d5 Nc7 30.d6 Nd5 31.d7 Nc3 32.Qb4 Nd5 33.Qd6 Qa7 34.Qf8 Kf8 35.d8Q Kg7 36.Qg5 Kf8 37.Ra7 Ne7 38.Ra8 Nc8 39.Rc8# 1–0. Bonetti,Shane – CuttySark, ICC, 2002.

7.Be2 a6 8.a4 ab5 (8...d5 9.d4=) 9.ab5 Ra1 10.Ba1 c6 (10...d6 11.0-0+=) 11.Nc3 cb5 12.cb5 (12.Nb5 d5=) 12...d6 (12...d5 13.0-0=) 13.d4 (13.0-0 d5=) 13...Nbd7 (13...d5 14.0-0=) 14.e4 (14.0-0 Nb6+=) 14...Nb6= 15.0-0 Nfd7 (15...d5 16.e5 Nh5 17.Qd2+=) 16.Bb2 (16.Qb3 e5 17.Rd1 ed4 18.Nd4 Nc5+=) 16...e5 (16...d5 17.e5+=) 17.de5 (17.Re1 f5+=) 17...Ne5 18.Ne5 de5 (18...Be5 19.f4 Bh8 20.Qd2+=) 19.Ba3+/– Re8 20.Qd8 Rd8 21.Bc5 Nd7 22.Be7 Re8 23.Nd5 Nb8 (23...b6 24.Ra1 Bb7 25.Bg5+=) 24.Nf6 (better is 24.Rc1+–) 24...Bf6+= 25.Bf6 Be6 (25...Nd7 26.Bg5+=) 26.f3 (26.Be5 Bg4 27.f3 Bf3 28.gf3 Re5+/–) 26...Nd7= 27.Bg5 Nc5 (27...f6 28.Be3=) 28.b6 Kg7 (28...Ra8 29.Rc1 Nd7 30.Rc7 Nb6 31.Rb7+=) 29.Rc1+/– Nb3 30.Rc7 Nd4 31.Bf1 Bc8 32.Bc4 Be6 33.Bd5 Ne2 (better is 33...Bd5 34.ed5 h6+/–) 34.Kf2 Nd4 35.Rb7 h6 (35...Rc8 36.Rc7 Rb8 37.b7+–) 36.Be7 Bc8? (36...Rc8 37.Rc7 Rc7 38.bc7 Bc8+–) 37.Ra7 Nb5 38.Bc6 Na7 (38...Re7 39.Re7 Nd6 40.Re5+–) 39.Be8 1–0. GuestPMYB – GuestSDFY, freechess.org, 2018.

5.e3 d5

6.a3 Nbd7 7.Nc3 c6 8.d4 Re8 9.Be2 dc4 10.Bc4 Qc7 11.0-0 e5 12.de5 (12.Qc2 ed4 13.Nb5 Qb8 14.Nbd4 Nd5+=) 12...Ne5= 13.Ne5 Qe5 14.Qb3 Be6 15.Nd5 Qg5 (15...Qf5 16.Nf6 Bf6 17.Be6 Re6+= (17...fe6? 18.e4 Qf4 19.g3 Qe4 20.Bf6+-; 17...Qe6?! 18.Qe6 Re6 19.Bf6 Rf6 20.Rfd1=)) 16.Nc7+/- Bh3 (16...Bc4 17.Qc4 Nd5 A) worse 18.Na8 Bb2 19.Rab1 Be5=+ (worse 19...Ba3 20.Ra1+=); B) 18.Ne8 Bb2 19.Ra2+/-) 17.Bf7 Kh8 18.g3 Ng4?? (better 18...Qf5 19.f3 Bf1 20.Rf1 Rf8 21.Na8 Qd7+-) 19.Ne8 (better 19.Be8 Qe7 20.Na8 Qe8+-) 19...Ne5 (19...Bb2 20.f4 Ba1 21.fg5 Bf1+-) 20.Ng7 Kg7 21.f4 Qg4 (21...Qf5 22.fe5 Qe4 23.e6 Kh6 24.Rf2+-) 22.Be5 Kh6 23.Rf2 Rd8 24.f5! g5 (24...gf5 25.Bf4 Decoy) 25.Qc3 (25.Qe6) 25...Rd1 26.Qe1! Re1 (26...Re1 27.Re1 Combination) 27.Re1 Qe4 28.Bd5! Qe5 (28...cd5 29.f6 Passed pawn; 28...Qd5 29.f6 Passed pawn) 29.e4 (29.f6 Qd6 30.Bb3 Qf8+-) 29...Qf6?? (better 29...Qc3 30.Rd1 cd5=) 30.e5+- Qe7 (30...Qh8 31.f6 cd5 32.f7+-) 31.f6 Qd6 (31...Qf8 32.e6 Be6 33.Be6+-) 32.e6 (32.ed6 Bd7 33.f7 Kg6 34.f8Q Kh5 35.Qf7 Kg4 36.Qf3 Kh3 37.Qh5) 32...Qd5 (32...Be6 33.Be6 Qf8+-) 33.Rfe2 (better 33.f7 Kh5 34.f8Q+-) 33...Qd4=+ 34.Rf2 Qd3?? (better 34...Qc3 35.Rfe2 Qf6=+) 35.Rfe2 (35.Rfe2 Qd4 36.Rf2=) 1-0. dimczk (2430) - Ashruh (2450), Rated Bullet game, lichess.org, 2021.

6.a3 Re8 7.cd5 Nd5 8.Bg7 Kg7 9.Bc4 e5 10.Nc3 c6 (10...Nb6 11.Bb3=) 11.0-0 Nb6 12.Bb3 Be6 (12...Bg4 13.h3 Bf3 14.Qf3=) 13.Be6+= Re6 14.d4 N8d7 15.h4 (15.Ne4 Nd5+=) 15...e4 (better 15...Re8!?=) 16.Ng5+/- Re7 17.Nce4?? (better 17.Nge4 Nd5 18.Qc2+/-) 17...h6 18.Nf7 Rf7 (worse 18...Kf7 19.Nd6 Kg7 20.Nb7=) 19.Nd6 Qh4 (19...Rf8 20.Nb7 Qh4 21.Rc1-/+) 20.Nf7=+ Kf7 21.Qf3 Nf6 22.b5 Rc8 (22...cb5 23.Qb7 Kg8 24.g3=+) 23.Rac1 Nbd5 (23...Qe4 24.Qe4 Ne4 25.bc6 bc6 26.Rfd1=) 24.bc6 bc6 25.g3 (25.Rfe1 Kg7 26.e4 Ne7+=) 25...Qe4= 26.Qe4 (26.Kg2 Qe6=) 26...Ne4 27.Kg2 Ke6 28.Rc2 Kd6 29.Rb1 Rc7 30.Rb8 h5 31.Rg8 Ke6 (31...Ne7 32.Rd8 Rd7 33.Rd7 Kd7 34.Kf3=) 32.Re8 (better 32.Rg6!? Ndf6 33.Rh6+/-) 32...Kf5?? (better 32...Ne7=) 33.Re5+- (33.Re5 Kf6 34.Rd5 cd5 35.Rc7+-) 1-0. jj_chessgod (2805) - AstanehChess (2795), Rated Bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...d5 2.b4 Nf6 3.Bb2 g6 4.Nf3 Bg7 5.e3 0-0 6.c4)

6.a3 Ne8 7.d4 a5= 8.Nbd2 ab4 9.ab4 Ra1 10.Qa1 c6 11.cd5 cd5 12.Bd3 (12.Be2 Nd6=) 12...Nc6 (12...Nd6!?=) 13.b5 Nb4 14.Bb1 Qb6? (14...Bf5 15.Ke2 Bd7=) 15.Qa4+- Nc6 (better 15...Na6 16.Ba3 Bd7 17.Be7 Nec7 18.Bf8 Bf8+-) 16.bc6?? (better 16.Ba3 Nd4 17.Nd4+-) 16...Qb2= 17.0-0 bc6 18.Qc6 Qb7 19.Qc3 Nd6 20.Bd3 Qd7 (20...Bg4 21.Rb1 Rc8 22.Qa5=) 21.Rb1 Bb7 (21...Qe6 22.Rb6+=) 22.h3 (22.Nb3 Rc8 23.Nc5 Qg4+/-) 22...Bc6 23.Rc1 (23.Ne5 Be5 24.de5 Nb7+=) 23...Rc8 24.Ne5 (24.Qb4 Qb7 25.Qb3 Qb3 26.Nb3 Rb8=) 24...Be5 25.de5 Bb5 26.Bb5? (better 26.Qa3 Rc1 27.Qc1 Bd3 28.ed6 ed6 29.Nf3=) 26...Rc3-+ (26...Qb5?! 27.Qa1 Rc1 28.Qc1=) 27.Bd7 Rc1 28.Kh2 Ne4 (28...Nc4 29.Nf3-+) 29.Ne4 de4 30.Kg3 g5 31.Bf5 Rc5 32.Be4 Re5 33.Bf3 Kg7 34.Bg4 (34.h4 gh4 35.Kh4 f5-+) 34...f5 35.Bh5 Kf6 36.h4 h6 37.hg5 hg5 38.Be2 f4! 39.Kf3 (39.ef4 Re4 Double attack (39...Re2 Pinning; 39...Re2 Deflection; 39...Re4 Decoy)) 39...Rf5 (39...Ra5 40.g4-+) 40.Bd3 Rd5 41.Be4 Rd2 42.ef4 gf4 43.Kf4 Rf2 44.Kg3 Rf1 45.Bf3 (45.Bd3 Rd1 46.Be2 Rb1-+) 45...Re1 (45...Kg5 46.Bd5-+) 46.Kf4 (46.Kf2 Ra1-+) 46...e5 47.Kg3 Re3 (47...Kf5 48.Kf2 Rb1 49.g3-+) 48.Kf2 (48.Kg4 Kg6-+) 48...Ra3 49.Be4 Kg5 50.Bf3 Kf4 51.Be2 (51.g3 Kf5-+) 51...e4 52.Bh5 (52.Bc4 Rc3 53.Bd5 Rc2 54.Kf1 Ke3-+) 52...Rg3 (52...Ra2 53.Kf1-+) 53.Be2 (53.Bd1 Rd3 54.Ba4 Rd2 55.Kf1 Ke3-+) 53...e3 (53...Rb3!? 54.Bc4 e3 55.Ke1 Rb1 56.Ke2 Rb2 57.Ke1 Rg2 58.Bd5-+) 54.Kf1 Rg8 (54...Ke4 55.Bb5-+) 55.Bf3 Rh8 56.Ke2 Rh1?? (56...Rb8 57.Kd1-+) 57.Kd3?? (better 57.g3 Kg3 58.Bh1=) 57...Re1 58.Kc2 (58.Be2 Rg1 59.Bf3-+) 58...Kg3 59.Kd3 Kf2 Black plans e2 60.g4 (60.Ke4-+) 60...e2 (60...Kf3 61.Kc3 e2 62.Kb2 Rf1 63.Kb3 e1Q 64.Kc4 Qc1 65.Kd5 Rd1 66.Ke6 Qc6 67.Kf7 Rd7 68.Kf8 Qa8) 61.Be2 (61.Ke4 Rg1 62.Be2 Ke2 63.Kf4-+) 61...Re2 62.g5 Re5 63.g6 Rg5 64.Kd4 Rg6 65.Ke5 Rg3 66.Kf5 Rf3 (66...Rf3 67.Ke6 Rd3 68.Kf5 Kf3 69.Ke5 Rd2 70.Kf5 Re2 71.Kg5 Ke4 72.Kg6 Ke5 73.Kg5 Rg2 74.Kh4 Kf4 75.Kh5 Rg4 76.Kh6 Kf5 77.Kh5 Re4 78.Kh6 Re7 79.Kh5 Rh7) 0-1. HIALUPHARMpl (2525) - AstanehChess (2670), Rated Bullet game, lichess.org, 2021.

6.Na3 c6 7.Be2 Bg4 8.h3 Bf3 9.Bf3 Nbd7 (9...Na6 10.Qb3=) 10.Qb3 e5 11.0-0 a5 12.cd5 cd5 13.Rfc1 (worse is 13.Bd5 ab4 (worse is 13...Nd5 14.Qd5 ab4 15.Nc4=) 14.Bb7 Ra7-/+ (14...Ra3?! 15.Ba3 ba3 16.Qa3=)) 13...ab4 14.Qb4 Qa5 15.Qa5 (15.Qb5 A) 15...Qd2? A1) 16.Qb7?? Rfb8 17.Rc2 Qc2 (17...Rb7?! 18.Rd2 e4 19.Bd1–+) 18.Qb8 Rb8 (18...Nb8?! 19.Nc2 Nc6 20.a3=) 19.Nc2 Rb2–+; A2) 16.Bc3 Qc1 17.Rc1 Ra3 18.Bb4 (18.Qb7?! Ra2 19.Bd5 Nd5 20.Qd5 Ra7+/–; 18.Bd5?! Rc8 19.Bc4 b6+–) 18...Ra2 19.Bf8 Bf8 20.Bd5+–; B) 15...Qb5 16.Nb5 Rfc8=) 15...Ra5 16.Rc7 (16.Nc2 Rfa8 17.Nb4 Bf8=) 16...Rfa8 (16...e4 17.Be2 Ne8 A) 18.Rd7? Bb2 19.Rb1 Ba3–+ (worse is 19...Ra3 20.Rb2 Nf6 21.Rdb7+=); B) 18.Bg7 Nc7 19.Bf8 Kf8 20.Nc2+=) 17.Nc2 (17.d4 ed4 18.ed4 Ra3 19.Ba3 Ra3 20.Rb7 Nf8-/+) 17...Bf8 (17...e4 18.Be2+=) 18.Bg4= Rb5 19.Bc3 Ng4 20.hg4 (20.Rd7? Nf6 21.a4 Rb3 (21...Nd7?! 22.ab5 Ra1 23.Na1=) 22.Rb7 Rb7 23.Be5 Ne4–+) 20...Nf6 21.Be5 Ng4 22.Bd4 Ra2!? 23.Rc1 Ra8 24.Ne1 Nh6 25.Nf3 Nf5 26.Be5 h6 27.Rd7 Re8 28.d4 g5 29.g4= Ne7 30.Rcc7 f5 31.Bd6 fg4 32.Ne5+/– Nf5 33.Ng4 Rb1 34.Kg2 Nh4 35.Kh2 Bd6 36.Rd6 Rf8 37.Nf6 Rf6 38.Rf6 g4 39.Rd6 Nf3 40.Kg3 (40.Kg3 Rg1 41.Kf4 Nd4 42.Rd8) 1–0. Hort,Vlastimil – Lehmann,Heinz, Marianske Lazne, 1965.

6.a4 c6 (--> 5.e3 c6 6.a4 d5).

6.a4 Nc6 7.b5 Nb4 8.Qb3=.

6.a4 Bg4 7.h3 Bf5 (7...Be6 8.Ng5+=) 8.Nc3 (8.g4 Be6=) 8...c6 (8...dc4 9.Bc4 Nc6 10.Qb3+=) 9.Nd4 (9.d4 Na6 10.Qb3 Nc7=) 9...Bd7 10.c5 (10.cd5 cd5 11.Be2 e5=) 10...b6 11.Be2 bc5 (11...a5 12.Qb3+=) 12.bc5= Na6?? (better is 12...e5 13.Nf3 e4=) 13.Ba6+– 1–0. GuestKDZJ – GuestFWTQ, freechess.org, 2017.

6.Qb3 Nc6 7.Be2 dc4 8.Bc4 e6 (8...a5 9.Ng5 e6-/+ (worse is 9...ab4 10.Nf7 Rf7 11.Bf7 Kf8 12.a3=)) 9.0-0= a5 (9...Qe7 10.Ba3 Ne4 11.Nc3=) 10.b5+= Ne7 11.Nc3 b6 12.Rac1 (12.d4 Bb7+=) 12...Bb7= 13.Be2 Nfd5 14.Rfd1 c6 (14...a4 15.Na4 Nf5 16.d4+/–) 15.bc6 Bc6 16.Nb5 a4 17.Qa3 Ra5 18.Bg7 Kg7 19.Qb2 Nf6 20.g4?? (20.a3 Qd5 21.Nbd4 Bd7+/–) 20...h6 (20...Bb5 21.Bb5 a3 22.Qe5+=) 21.h4 g5 22.hg5 hg5 23.Qe5?? Rb5! 24.Bb5 Bb5?? 25.Qg5+– Ng6 26.Re1?? Rh8 ½–½. Seymour,T (2050) – Hoare,Amy B (1935), Sunningdale ENG, Autumn Open, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qb3 d5 6.e3)

6.b5 a6 7.a4+=.

6.b5 c5 7.a4 (7.d4 Nbd7=) 7...b6 (7...Be6 8.cd5 Bd5 9.Nc3=) 8.Be2 (8.d4 Ne4=) 8...Bb7 (8...a6 9.0-0=) 9.0-0 Nbd7 (9...dc4 10.Bc4 a6 11.d4=) 10.Qc2 (10.cd5 Re8=) 10...dc4 11.Qc4 e6 (11...a6 A) worse is 12.ba6 Ba6 (12...Ra6?! 13.Na3=) 13.Qa6 Ra6 14.Ba6 Qa8-/+; B) 12.Qh4=) 12.d3 (12.Qc2 e5=) 12...Qc7 (12...a6 13.ba6 Ra6 14.Qc2=) 13.Nbd2 (13.Rc1 a6=) 13...Rad8 (13...a6 14.ba6 Ra6 15.Qc2=) 14.Rfc1 Qb8 (14...Bd5 15.Qc2+=) 15.a5 Rfe8 16.Qh4 h6 17.ab6 (17.Qh3 e5+=) 17...ab6 18.Nc4 (18.Ne1 Bd5+=) 18...Nh5 (better is 18...g5!? 19.Qg3 Qg3 20.fg3 Bd5=) 19.Bg7+/– Kg7 20.d4 Nhf6 21.Nfe5 Ne5 (21...cd4 22.ed4 Rc8 23.Rc3+=) 22.de5+/– (worse is 22.Ne5 cd4 23.Nc6 Bc6 24.bc6 g5+=) 22...Nd7 23.f4 Bd5 (23...Rf8 24.Nd6+/–) 24.Nd6+– Rf8 25.e4 Ba8 (25...Bb7 26.Qe7 Kg8 27.Bc4 Be4 28.Ne4 Ne5 29.fe5 Qe5 30.Nf2+–) 26.Rc3 Qc7 27.Rh3 Rh8 28.Qe7 Rdf8 (28...Rhf8 29.Bc4 Be4 30.Be6 Rb8 31.Bd7 Qd8 32.Qf6 Qf6 33.ef6 Kf6 34.Ne4 Kg7+–) 29.Ra8 (29.Ra8 c4 30.Bc4+–) 1–0. DEFFM – PamelaLew, freechess.org, 2018.

6.b5 Nbd7 7.Nc3+= dc4 (7...Nc5 8.d4 Nce4 9.Bd3 Nc3 10.Bc3+=) 8.Bc4= Nb6 9.Be2 Be6 (9...Ne4 10.Ne4 Bb2 11.Rb1+=) 10.a4 (10.Nd4 Qd6=) 10...Nc4+= 11.Bc4 Bc4 12.Nd4? (better is 12.Ne5!? Be6 13.d4+=) 12...e5–+ 13.Nf3 Re8 14.Qc2 (14.d4 Ng4 15.d5 Nf6-/+) 14...Bd3 15.Qb3 c5 16.bc6 bc6 17.Ng5 Qd7 18.Ne2?? (18.f3–+) 18...Be2 (better is 18...Rab8!? 19.Qa3 Be2 20.Ke2 Qg4 21.Nf3–+) 19.Nf7 Qf7 (19...Nd5!? 20.Ne5 Be5 21.Be5 Re5 22.Ke2–+) 20.Qf7 Kf7 21.Ke2 Rab8 22.Ba3 Nd7 (22...Rb3 23.Rhc1 Rc8 24.Rcb1–+) 23.Ra2 (23.Rhc1 e4 24.Rab1 Rb1 25.Rb1 Rb8 26.Rb8 Nb8–+) 23...e4 24.Rc1 Rec8 (better is 24...Re6!? 25.Rac2 Ne5 26.f3–+) 25.Rc4 Nf6 26.Bc5 a5 27.Rac2 Rb7 (27...Nd5 28.Re4 Rd8 29.f3–+) 28.Bd4-/+ Rb4 29.Bc5 (29.Rc6!? Rc6 30.Rc6-/+) 29...Rc4–+ 30.Rc4 Rb8 (30...Ke6 31.Bd4–+) 31.Bd6 Rb6 32.Bc7 Ra6 33.Rc5 (33.Be5 Bh8–+) 33...Nd7 (33...Nd5 34.Bd8 Ra8 35.Bh4–+) 34.Rc4 Nf6 35.Rc5 Nd5 36.Bd8 Bf6 (better is 36...Ra8!? 37.Bh4 Nb4–+) 37.Ra5-/+ Ra5 38.Ba5 Ke6 39.Kd1 (39.d4 c5! 40.dc5 Bc3–+) 39...c5 40.Kc2 Kd6 (40...Be5!? 41.d3 ed3 42.Kd3 Bh2 43.g3-/+) 41.Kb3 Kc6 42.Kc4 Be7 43.h3 Nf6 44.Bc3 Ne8 45.Be5 Bd8 (45...Bd6 46.Bc3-/+) 46.g3 (46.f4 Bc7-/+) 46...Ba5-/+ 47.Bc3? (better is 47.d3 Be1 48.d4-/+) 47...Nd6–+ 48.Kb3 Nb7 (48...c4 49.Ka3 Bc3 50.dc3–+) 49.Kc2? (better is 49.Kc4–+) 49...c4 50.Bd4 Nc5 51.Bc3 Nb3 52.Ba5 (52.h4 Bc3 53.dc3 Kb6–+) 52...Na5 53.Kb2 (53.Kd1 Kc5 54.Ke2 Nb3–+) 53...Kc5 54.Kc3 Nb3 55.Kc2 (55.g4 g5 56.Kc2–+) 55...Kb4 56.Kd1 (56.a5 Na5 57.h4 h5–+) 56...Ka4 57.Ke2 (57.Kc2 Nd2! 58.Kc3 Ka3–+) 57...Kb4 (better is 57...Nd2 58.Kd2 Kb3 59.Ke2–+) 58.Kd1 Kc5 (better is 58...Nd2 59.Kd2 Kb3–+) 59.Kc2 Kd5 (59...h6 60.h4 h5 61.Kb2–+) 60.Kc3 (60.Kd1 h6–+) 60...Kc5 (60...Kc5 61.Kc2 h6–+) 0–1. Leon Manas,Jose Francisco (1675) – Rodriguez Melian,J L (2050), Las Palmas Spain, Liga Churreria–A, 2016.

6.b5 Be6 7.cd5 Bd5 8.d4=.

6.b5 Bf5 7.Nc3+= dc4 (7...c5 8.Qb3 e6 9.Be2=) 8.Bc4 Bd3 (8...Nbd7 9.0-0=) 9.Ne5 (9.Bd3 Qd3 10.Qe2 Qe2 11.Ke2 Nbd7=) 9...Bc4 10.Nc4 Qd3 (10...Nbd7 11.0-0=) 11.Ne5 (11.Qe2 Qe2 12.Ke2 Nbd7=) 11...Qf5 12.f4 (12.d4=) 12...h5 (12...Nbd7 13.d4 Ne5 14.de5 Rfd8+=) 13.0-0 Nbd7 14.d4 Ne5?? (better is 14...h4+=) 15.fe5+– (15.de5?! Ne4 16.Nd5 Rfe8+/–) 15...Qg4 (15...Qe6 16.ef6 Qe3 17.Kh1 Bf6 18.Nd5+–) 16.ef6 (16.ef6 Qd1 17.Rad1 Bf6 18.Nd5+–) 1–0. DEFFM – GuestZQHS, freechess.org, 2018.

6.Qc2 Bf5+= 7.d3 Nc6 (7...dc4 8.Qc4 Nbd7 9.Be2=) 8.a3 (8.b5 Nb8 9.cd5 Bd7+/–) 8...a6 (better is 8...dc4!? 9.Qc4 a6=) 9.cd5+/– Na7 10.Nbd2 (10.e4 Bd7+/–) 10...c6 11.dc6 Nc6 12.Nd4 Bd7 13.Be2 Rc8 14.Qb3 e5 (14...Nd4 15.Bd4 (worse is 15.ed4 Be6 16.Qd1 Nd5+=) 15...Re8 16.Nf3+/–) 15.Nc6+/– Bc6 16.Bf3 Nd5 (16...Re8 17.0-0+/–) 17.Rc1 (17.Nc4 Qc7+/–) 17...Re8 18.0-0 Ne7 (18...Qd7 19.Rc5 Red8 20.Rfc1+/–) 19.Rfd1 (19.Bc6 Rc6 20.Ne4 Qb6+/–) 19...Qd7 20.Bc6 Nc6 21.Nc4 Rcd8 22.Nb6 Qf5 23.Rc5 Bf8 24.Rd5 Qe6 25.Qc4 Nb4? 26.Rd8+– Rd8 27.Qe6 fe6 28.ab4 Bb4 29.Be5 Bc5 30.Na4 Be7 31.Kf1 b5 32.Nc3 Rc8 33.Ra1 Bb4 34.Ne4 Rc6 35.Ke2 a5 36.Kd1 a4 37.Rb1 Ba3 38.Rb5 Rc1 39.Kd2 Rg1 40.Ke2 Bf8 41.Rb8 Kf7 42.Ng5 (42.Ng5 Ke7 43.Ra8+–) 1–0. Westerkamp,B (2080) – O'Leary,M, 32nd Guernsey Chess Festival, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0)

6.Nc3 a6 7.d4 Nc6 8.a3 Be6 9.c5 Ne4 10.Bd3 Nc3 (10...Bf5 11.0-0=) 11.Bc3= Bg4 12.Be2 Qd7 13.h3 Bf5 14.Nh4 e5 15.de5 (15.0-0 Be6=) 15...Ne5+= 16.Qd2 (worse is 16.Nf5 Nf3 (worse is 16...gf5 17.0-0+=) 17.Bf3 Bc3 18.Ke2 Ba1 (18...gf5?! 19.Rc1 Bb2 20.Rb1 Qb5 21.Qd3+=) 19.Nh6 Kg7 20.Qa1 Kh6-/+) 16...Be6 (16...a5 17.Nf5 Qf5 18.0-0= (18.Qd5?? Nf3 19.Bf3 Bc3 20.Kf1 Qd5 21.Bd5 Ba1–+)) 17.Nf3 Nc4 18.Bc4 dc4 19.Bg7 Qd2 20.Kd2 Kg7 21.Kc3 Bd5 22.Rhd1 Rfd8 23.Ne1 c6 24.Rd4 a5 25.b5 Be6 26.Rb1+= Rd4 27.ed4 Bd5 28.f3 Re8 29.bc6 bc6 30.Kd2 h5 31.Nc2 f5 32.Ne3 c3 33.Kd3 Ba2 34.Rb6 f4 35.Nc2 Bd5 36.h4 Kf6 37.Ra6 g5= 38.hg5 Kg5 39.Ra5 h4 40.Ra7 h3 41.gh3 Bf3 42.Kc3 Rh8 43.Rg7 Kf6 44.Rg1 Rh3 45.Nb4 Be4 46.Kc4 Ra3 47.d5 Bd5 48.Nd5 cd5 49.Kd5 f3 50.c6 Rd3 51.Kc4 ½–½. Hayakawa,Satoru (2355) – Hasidume,Shuji (1865), 2nd Shigeo Hayakawa Memorial, 2008. (=1.c4 Nf6 2.b4 g6 3.e3 Bg7 4.Bb2 0-0 5.Nf3 d5 6.Nc3)

6.Nc3 Na6 7.a3 c5 8.Qb3 d4 (8...cb4 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5+=) 9.Na4 (9.ed4 Qb6+=) 9...e5 (9...de3!? 10.de3 cb4 11.ab4 Bf5=) 10.Ne5+= Ne4 11.Nf3 Bg4 12.Rd1 cb4 13.ab4 (worse is 13.Bd4 Bd4 14.ed4 Bf3 15.Qf3 Qd4-/+) 13...Bf3 (better is 13...Ng5!? 14.Nd4 Bd1 15.Kd1 Ne4=) 14.gf3+/– Ng5 15.Bg2 Re8 16.0-0 Qd7 17.b5 Nc7 18.b6 (18.f4!? Ne4 19.d3+/–) 18...Na6+/– 19.Ba3 Nh3 20.Kh1 Re5 21.ba7 Ra7 22.Nb6 Qe6 23.Nd5 Nb8? (better is 23...Rh5+–) 24.Bc5 (24.ed4?! Rd5 25.cd5 Qc8+–) 24...Ra5 (24...de3 25.de3 b6 26.Qb6 Qb6 27.Bb6+– (27.Nb6?! Rc5 28.Rd8 Bf8 29.Rb8 Ng5+–)) 25.Bd4 Rh5 26.Bg7 Qd6 (26...Rad5 27.cd5 Qd6+–) 27.Nf6 (27.Nf6 Kg7 28.Ne8 Kg8 29.Nd6+–) 1–0. Syre,Christian – Paehtz,Thomas Sr, Zinnowitz U20, 1972.

6.Nc3 c5 7.bc5 Nc6 8.d4 Qa5 9.Qd2 dc4 10.Bc4 e5 11.Nb5 ed4 12.ed4 Re8 13.Kf1 Qd2 14.Nd2 Rd8 15.Nd6 Ne8?? (better 15...Be6+=) 16.Nf7 (16.Nf7 Rd4 17.Bd4 Bd4 18.Re1+-) 1-0. pacalmisu (2445) - yamac123 (2400), Rated Blitz game, lichess.org, 2016.

6.Nc3 Be6 7.Nd5 (7.Qb3 Nc6=) 7...Bd5 8.cd5 Qd5 (8...Nd5 9.Bg7 Kg7 10.Qb3=) 9.Qc2 Nc6 (9...Qd7 10.d4+=) 10.b5 (10.a3 a6+=) 10...Nb4= 11.Qc3 Qd6 (11...Na2? 12.Qa5+– (12.Qc7?! Nb4 13.Bc4 Qf5=)) 12.e4 Nh5 (12...Nh5 13.e5 Nf4 14.ed6 Bc3 15.dc3 Nc2 16.Kd2 Na1 17.de7 Rfe8+–). pcmvr (2305) – sagaz (2305), net–chess.com, 2006.

6.c5 Nbd7 7.Be2 Re8 8.0-0 e5 (8...a5 9.Qa4=) 9.Qb3 (9.Qc2 h6=) 9...c6 (9...e4 10.Nd4=) 10.a4 (10.d4 e4 11.Nfd2 b6=) 10...a5 11.d4 ed4 12.Bd4 Qe7 (better is 12...ab4 13.Qb4 Qa5=+) 13.Nc3 (better is 13.Nbd2=) 13...Ne5?? (better is 13...ab4 14.Qb4 b6 15.Bf6 Bf6-/+ (15...Qf6?! 16.cb6 Rb8 17.Nd5 cd5 18.a5=)) 14.Be5 Ne4 (14...Nd7 15.Bg7 Kg7 16.Rfc1+–) 15.Bg7 Kg7 16.Ne4 de4 17.Qc3 Kg8 18.Nd4 f5 (18...Qg5 19.Rfc1+– (19.ba5?! Bh3 20.g3 Bf1 21.Rf1 Re5+–)) 19.Qc4 Kg7 20.Rad1 g5 21.Qc3 Qf6 22.Bc4 ab4 23.Qb4 f4 24.ef4 gf4 25.f3 e3 26.Ne2 Rb8 27.Rd6 Qe5 28.Qb1 Bf5 29.Bd3 Bd3 (30.Rd3 Qc5 31.Rd7 Re7+–; 29...Qc5 30.Rd4 (30.Bf5?! Qd6 31.Rd1 Qe5+–) 30...Rf8 31.Qb2+–). HMBCHESS2 – pole, Live Game Caissa's Web, 2005.

6.c5 Bf5 7.d4 Nc6 8.a3 a6 9.Bd3 Bd3 10.Qd3 Ne4 11.Nbd2 f5 12.h4 e6 13.Ne5 Ne5 14.de5 f4 (better is 14...Nd2!? 15.Qd2 h6=) 15.Ne4+/– de4 16.Qe4 Qd5 17.Qd5 ed5 18.0-0-0 fe3 19.fe3 c6 20.e4 de4 21.Rhe1 e3 22.g4 a5 23.Re3+– ab4 24.ab4 Rf4 25.Rd4 Rd4 26.Bd4 Kf8 27.Bb2 Ke7 28.Kc2 Rd8 29.Ra3 Ke6 30.Ra7 Rd7 31.Ra8 Re7 32.Ra1 Be5 33.Re1 Kd5 34.Kb3 Re6 35.Rd1 Ke4 36.Be5 Ke5 37.Rd7 h6+= 38.Rb7 Kf4 39.Rb6 Re3 40.Ka4+– g5 41.hg5 hg5 42.Rc6 Kg4 43.Rg6 Kf5 44.Rg8 g4 45.c6 Rc3 46.Kb5 g3 47.Kb6 Ke6 48.c7 Kd7 49.Rd8 (49.Rd8 Ke6 50.c8Q Rc8 51.Rc8+–) 1–0. Vaarala,E (2165) – Rodvik,Trym Daniel (1780), Norsk Open A, 2011.

6.d4 0-0 7.Nc3 e6 (7...Nc6 8.Qa4=) 8.Ne5 (8.Be2 Nbd7+=) 8...c6 (8...Nc6 9.Nc6 bc6 10.Bd3=) 9.a4 (9.Be2 Nbd7 10.0-0 Ne5 11.de5 Nd7+=) 9...Nfd7 (9...Nbd7!?=) 10.Nf3+= Nf6 11.a5 dc4 (11...Re8 12.Be2+=) 12.Bc4 Nd5 13.Qb3 Nd7 14.0-0 Nc3 15.Bc3 Nf6 16.Rfd1 a6 17.Ne5 Qc7 18.Rac1 Ne4 19.Bb2 Nd6 20.Be2 Qe7 21.Nd3 Ne4 22.f3 Nf6 23.Nc5 Nd5 24.f4 (24.e4 Nc7+–) 24...Nf6 (24...Qc7 25.Re1+=) 25.Bf3 (25.e4 Rd8+–) 25...Nd7 (25...Nd5 26.g3+–) 26.Na4 Rd8 27.g3 Rb8 28.Rc2 (28.e4 Re8+–) 28...Nf6 (28...f5 29.Ba3+–) 29.Ba3 Bf8 30.Ra2 Qc7 31.Rc1 Bd7 32.Rd2 Be8 33.Nc5 Nd7 34.Ne4 Bg7 35.Kg2 (35.Bb2 Rbc8+–) 35...Nf6 36.Nc5 Nd7 37.Nd3 Nf6 38.Ne5 Nd7 39.Nc4 Nf6 (39...f5 40.e4 fe4 41.Be4+–) 40.Bb2 Nd7 41.Rcd1 (41.e4 Nf6+–) 41...Nf6 (41...f5 42.Ne5 Qd6 43.e4+–) 42.e4 Qe7 43.Ba3 Qc7 44.Ne3 h5 45.Qc4 Rd7 46.e5 (46.Bb2 h4+–) 46...Nd5 47.Bd5 (47.Qb3!?+–) 47...cd5= 48.Qd3 (48.Qc2 Qc2 49.Rc2 f6=) 48...Qd8=+ 49.Rc2 Rc7 50.Rdc1 Rc2 51.Qc2 Bc6 52.Nf1 Rc8 53.Nd2 Bd7 54.Qb2 Bb5 55.Nb3 Rc4 56.Nc5 Qc7 57.Qd2 b6 58.ab6 Qb6 59.Ra1 Bf8 60.Bb2 (60.h3 Bc6 61.Bc1 A) 61...Bc5?! 62.bc5 Qb3 63.Ra3–+ (63.Ra6?? Rc2 64.Rc6 Rd2 65.Bd2 Qc2–+); B) 61...Rb4 62.Ra6 Qb5 63.Rc6+=; C) 61...Bb7=+) 60...Qc6 (better 60...Rb4! 61.Ba3 Rc4-/+) 61.Kf2 Qb6 62.Bc3 Bc5 (better 62...Be7!?=) 63.bc5+– (worse 63.dc5 Qb7 64.Re1 h4=) 63...Qc6 64.Ba5 (64.Qb2 Kg7+–) 64...Ba4+= 65.Ra2 Qb5 66.Rb2 Qb2 67.Qb2 Rc2 68.Qc2 Bc2 69.c6 Kf8?? (better 69...Ba4+=) 70.c7 (70.c7 Kg7 71.c8Q Kh7 72.Bd8 Ba4 73.Bf6 g5 74.Qh8 Kg6 75.h3 gf4 76.Qg7 Kf5 77.Qh7) 1–0. Semenov,Viktor (1940) – Ativanov,Petr, 3rd Gelendzhik Russia, Open, 2017.

6.d4 Re8 7.a4 (7.Be2 Be6=) 7...a5 (7...Be6 8.Nbd2=) 8.b5 dc4 (8...Bf5 9.Be2=) 9.Bc4+= Nbd7?? (9...Bf5 10.Nc3+=) 10.Qb3?? (better 10.Bf7 Kh8 11.Be8 Qe8 12.Qc2+-) 10...e6 11.Ng5 (11.0-0!?+=) 11...Nb6= 12.Be2 Nfd5 13.h4 (13.Nf3 Bd7+=) 13...e5= 14.de5 Be5 15.Nf3 (15.Be5 Re5 16.Nc3 Qe7=) 15...Bb2=+ 16.Qb2 Qf6 (16...Bg4 17.Nc3=+) 17.Nd4 (better 17.Qf6!? Nf6 18.Nc3=) 17...Ne3 18.fe3 Re3 19.Qd2?? (better 19.Rf1 Qh4 20.Kd2-/+) 19...Nc4-+ 20.Qd1 Bg4 21.Ra2 Rd8 22.Nd2 (22.Rc2 Rd4 23.Nc3 Rc3 24.Bg4 Re3 25.Qe2 Rg4 26.Rh3 Rg2 27.Qe3 Rc2 28.Rh2 Qa1 29.Qc1 Qc1) 22...Rd4 23.Nc4 Rd1 24.Kd1 Qd4 (24...Be2 25.Ke1 Bc4 26.Re2 Re2 27.Kd1 Qa1) 25.Rd2 Be2 (25...Qa1 26.Kc2 Rc3) 26.Kc2 0-1. carlos78 (2215) - firedark (2210), Rated Blitz game, lichess.org, 2014.

6.cd5 a5 7.b5 Nbd7 8.Be2 Nb6 9.0-0 Nbd5 10.Be5 Ne4 11.Bg7 Kg7 12.Qc2 Nef6 13.Nc3 Nb4 14.Qb1 c5 15.bc6 bc6 16.a3 Nbd5 17.Qc2 Bf5 18.d3+/– Bd7 19.h3 Nc3 20.Qc3 Qc7 21.Rfc1 Rab8 22.Ne5 Rfc8 23.Nd7 Qd7 24.Qa5 Rb2 25.Qe1 Ra8 26.d4 Ra4 27.Bd1 Ra8 28.a4 Ne4 29.Bc2 Nf6 30.a5 Qd6 31.a6 e6 32.Bd3 Nd5 33.Bf1 Rb6 34.Rcb1 c5 35.Rb6 Nb6 36.dc5 Qc5 37.Rb1 Nc8 38.Rc1 Qa3 39.Rc7 Nb6 40.Qd1 Nd5 41.Qd4 Kg8 42.Rb7 Qc3 43.Qe4 Qc6 44.Qe5 h6 45.e4 Nb6 46.Bb5 (46.Bb5 Qc1 47.Kh2+–) 1–0. Woelfelschneider,Peter – Zolker, 2009.

6.cd5 c6 7.dc6 Nc6 8.a3 Ne4 (8...Bf5 9.d4+/–) 9.Bg7+/– Kg7 10.Be2 Qc7? (10...Bg4 11.b5 Na5 12.0-0+/–) 11.0-0 (11.Qc2 Bf5 12.b5 e5+–) 11...Rd8? (11...Bf5 12.d4+/–) 12.d3 (better is 12.Qc2 Bf5 13.b5+–) 12...Nf6 13.Nbd2 e5 14.Rc1 Qe7 15.Qc2 (15.b5 Nb8+–) 15...h6 (15...a6 16.Nc4+/–) 16.Ne4 (16.b5!? Nb8+–) 16...Ne4+/– 17.de4 Be6 (17...a6 18.Rfd1+/–) 18.Bc4 (18.b5 Nb8+–) 18...Rac8 19.Be6 Qe6 20.Qb2 Rd7? (better is 20...f6!?+/–) 21.b5+– (21.b5 Ne7 22.Ne5+–) 1–0. GuestLMNK – GuestYYZZ, freechess.org, 2017.

6.cd5 Nbd7 7.Be2 (7.Qc2 Nd5 8.Bg7 Kg7=) 7...Nb6 8.0-0 a5 (8...Nbd5 9.a3=) 9.ba5 Ra5 10.d3 Na4 (10...Nbd5 11.Nbd2=) 11.Bd4 (11.Be5 Nd5 12.d4 Ndc3 13.Nc3 Nc3+=) 11...Nd5 12.Bg7 Kg7 13.Qd2 c5 14.e4 (14.d4 cd4 15.Qd4 f6+=) 14...Nf6 15.h3 h6 (15...b6 16.e5 Nd7 17.Na3=) 16.Nc3 Be6 17.Rfb1 Qd7 (17...Qa8 18.Na4 Ra4 19.a3=) 18.e5+= Nh5 19.Ne4 Rfa8 20.g4 (20.Nh4 b6+=) 20...Bg4 21.hg4 Qg4 22.Ng3 (22.Kf1 Qh3 23.Kg1 Qg4 24.Kf1 Qh3 25.Kg1 Qg4=) 22...Ng3 23.fg3 Qg3 24.Kh1 c4 (24...b5 25.d4 Qh3 26.Kg1 b4 27.dc5 Nc3-/+) 25.dc4+= (25.Rb7 Nc5 26.Re7 Nd3–+) 25...Nc5 26.Rg1 (better is 26.Qd4+=) 26...Qh3-/+ 27.Nh2 Ne6?? (better is 27...Nb3 28.Qb2 Na1 29.Ra1 Qg3 30.e6 Qe5 31.Qe5 Re5–+) 28.Bg4+– Qh4 29.Be6 Qe4 (29...fe6 30.Rg6 Kg6 31.Qd3 Kf7 32.Rf1 Ke8 33.Rg1+–) 30.Qg2 (better is 30.Rg2!? fe6 31.Ng4 Kf7 32.Rf1 Ke8 33.Qh6 Kd7+–) 30...Qg2 31.Rg2 fe6 32.Nf3 (32.Rag1 g5+/–) 32...Rf8+/– 33.Rg3 Rf4 34.Rb1 Ra2 35.Rb7 Kf7 36.c5 Rf2 37.Nh2 (37.Ng1 Rc4 38.Rc7+/–) 37...Rc4?? (better is 37...Rh4 38.Rg2 Rf1 39.Rg1 Rf2=) 38.Ng4+– Rff4 39.Nh6 Kg7 40.Re7 (better is 40.Ng4! Rg4 41.Rg4 (41.Re7?! Kf8 42.Rg4 Rc1 43.Kg2 Ke7=) 41...Rg4 42.Re7 Kf8 43.Re6+/–) 40...Kh6= 41.Re6 Attacking the isolated pawn on g6 41...Rc5?? (better is 41...Rh4!? 42.Kg1 Rc1 43.Kg2 Rc2 44.Kf3 Rc3 45.Kf2 Rc2 46.Ke3 Rc3 47.Kf2 Rc2 48.Ke3 Rc3 49.Kf2=) 42.Rgg6 (42.Reg6!? Kh7 43.Rg7 Kh6 44.R3g6 Kh5 45.Rg2 Rf1 46.Kh2+–) 42...Kh5 43.Kg2 (43.Rg8 Rg4 44.Rg4 Kg4 45.Re8=) 43...Rg4 44.Rg4 Kg4 45.Kf2 ½–½. Rehorek,Martin (2295) – Liska,Jiri (2120), Czech Championship, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5)

6.Be2 Na6 7.a3 c6 8.0-0 Nc7 9.Nc3 (9.d3 a5=) 9...Ne4 (9...dc4 10.Bc4 Be6 11.d3=) 10.d4+= f5 (10...Nc3 11.Bc3 dc4 12.Bc4+=) 11.Ne5 (11.Ne4 fe4 12.Ne5 Qd6+=) 11...a5 (11...Nc3 12.Bc3 dc4 13.Bc4 Be6 14.Bd3+=) 12.Qc2+/– ab4 (12...Nd6 13.cd5 cd5 14.b5+=) 13.ab4 Ra1 14.Ba1 (14.Ra1 Qd6+/–) 14...Be5 (14...Nc3 15.Bc3 dc4 16.Bc4 Be6 17.Bd3+=) 15.de5+/– Ne6 (15...Nc3 16.Qc3 dc4 17.Rd1+/–) 16.Rd1 Qc7 (16...Nc3 17.Bc3 Qd7 18.Bf3+/–) 17.Qb3 (better is 17.cd5 cd5 18.Rd5+–) 17...c5?? (better is 17...Nc3 18.Bc3 f4+/–) 18.cd5+– N6g5 (18...Nc3 19.Bc3 cb4 20.Bb4 Qe5 21.Be7 Nd4 22.Rd4 Re8 23.d6 Kg7+–) 19.d6 Be6 20.Qe6! Ne6 21.dc7 Nc7 22.Ne4 fe4 23.bc5 Ne6 24.Bd4 Rc8 25.Bc4 Kf7 26.Bd5 (26.Bd5 Rd8 27.Bb3+–) 1–0. Gegonz – combat, internet, 2007.

6.Be2 b6 7.cd5 Nd5 8.Bg7 Kg7 9.b5 (9.Qc2 c6=) 9...c5 (9...a6 10.Qa4=) 10.d4 cd4 (10...a6 11.dc5 bc5 12.Qd2=) 11.Qd4+= Nf6 12.Qc3 Bb7 13.0-0 Nbd7 (13...Qc8 14.Rd1+=) 14.Nbd2 (14.Rd1 Qe8+=) 14...Rc8 15.Qb2 (15.Qa3 Nc5+=) 15...Nc5 (15...e5 16.Rac1+=) 16.a4 (16.Rac1 Nd3 17.Bd3 Qd3+=) 16...Qc7 17.Ne5 (17.Rfc1 Rfd8+=) 17...Ncd7 (17...Rfd8 18.Ndc4=) 18.Nd7+= Qd7 19.Bf3 (19.Rfc1 Rfd8 20.Rc8 Rc8+=) 19...Kg8 (19...Rfd8 20.Bb7 Qb7 21.Rfd1=) 20.Bb7 (20.Rfd1 Bf3 21.Nf3 Qb7+=) 20...Qb7 21.h3 (21.Rfd1 Rfd8+=) 21...Rc5 (21...Rfd8 22.Rac1=) 22.Rac1 Rg5 (22...Rd5 23.Rc2=) 23.Rc6+= Rd8 24.Nf3 Rgd5 25.Qc2 Ne8 (25...R5d7 26.Rc1+=) 26.g3 (26.Rc1 Qd7+=) 26...Qd7= 27.Kg2 ½–½. Weber,Krzysztof – Schoen,A, XVII Warsaw ch, 1993.

6.Be2 c5 7.b5 (7.bc5!? Qa5 8.cd5 Qc5 9.Ba3+=) 7...Nbd7 8.0-0 b6 9.d3 a6 10.a4 a5 11.Nbd2 Bb7 12.Qb3 Qc7 13.h3 e5 14.cd5 Bd5 15.Nc4 Ne8 16.e4 Bb7 17.Nfd2 Kh8 18.g3 f5 19.f4 fe4 20.fe5 Rf1 21.Rf1 ed3 (21...Ne5?? 22.Rf8!? Bf8 23.Be5 Qe5 24.Ne5 ed3 25.Bd3+–) 22.Bf3 Nf8 23.Bb7 Qb7 24.Nd6 Nd6 25.ed6 Bb2 26.Qb2 Qg7 27.Qg7 Kg7 28.Rf3 Nd7 29.Rd3 Re8 30.Nc4 Kg8 31.Kg2 Re4 32.Nb6 Nb6 33.d7 Nd7 34.Rd7 Ra4 35.b6 1–0. Mittelbachert,Ulrich – Kowallik,Juergen, Ruhrgebiet VL2, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5)

6.Be2 c6 7.d4 Nbd7 8.b5 a6 (8...cb5 9.cb5 Nb6 10.Nbd2=) 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa5 (11...cb5 12.cb5 Nb6 13.0-0=) 12.Bc3 Qa2 (12...Qc7 13.0-0=) 13.0-0 Ne4 (13...dc4 14.bc6 bc6 15.Nbd2=) 14.bc6 bc6 15.cd5 cd5 16.Bb4 Re8 (16...Bf6 17.Nfd2+=) 17.Nc3 (17.Bb5!?+=) 17...Nc3= 18.Bc3 e5 (better 18...Ba6!? 19.Ba6 Qa6=) 19.de5+/- Ne5 20.Ne5 Be5 21.Be5 (21.Bb5 Re7 22.Be5 Re5+/-) 21...Re5+= 22.Bf3 (22.Qd4 Re4 23.Qd3 Ra4+=) 22...Ba6 23.Re1 Bc4 (23...Qa5!?+=) 24.Qd4+/- Re7?? (24...Re8 25.Ra1 Qb3+=) 25.Rd1 (25.Ra1 Rb7 26.Ra2 Rb1 27.Bd1 Ba2+-) 25...Rd7?? (25...Rb7!?+=) 26.h3 (26.Ra1 Rb7 27.Ra2 Rb1 28.Bd1 Ba2+-) 26...h5?? (26...Qa6 27.e4+/-) 27.e4 (better 27.Ra1 Qa1 28.Qa1+-) 27...Bb3 (27...de4 28.Qd7 ef3 29.Qc6+/-) 28.Rd2 Qb1 29.Kh2 h4 (better 29...de4!? 30.Qd7 ef3+/-) 30.ed5 Qf5? (30...Qc1 31.Rd3 Qc4 32.Qe3+-) 31.Qh4 (31.Bg4!? Rd5 32.Bf5 Rd4 33.Rd4 gf5 34.Rh4 Kg7+-) 31...Qe5? (better 31...Bd5 32.Re2 Be6+/-) 32.Qg3+- Qg3 33.Kg3 Rd6 34.Kf4 f6 (34...Kf8 35.Ke5 Ke7 36.Rb2 f6 37.Kd4+-) 35.Rb2 (35.h4 Bc4+-) 35...Bd5 (35...Bc4 36.Rb4 Ba2 37.Rb5+-) 36.Rd2 g5 (36...Bf3 37.Rd6 Bg2 38.Rf6+-) 37.Kg3 f5 (37...Bf3 38.Rd6 Be2 39.Rf6+-) 38.Rd5 f4 (38...Rf6 39.Bd1 Kf7 40.f4 gf4 41.Kf4+-) 39.Kg4 Rg6 (39...Rb6 40.Rg5 Kh8 41.Kf4+-) 40.Rg5 Rg5 41.Kg5 (41.Kg5 Kf8 42.Kf4+-) 1-0. Bostonbliz (2490) - Ashruh (2450), Rated Bullet game, lichess.org, 2022.

6.Be2 Nbd7 7.d4 dc4 8.Bc4 Nb6 9.Bb3 Bg4 10.Nc3 Nbd5 11.Nd5 Nd5 12.a3 c6 13.h3 Bc8 14.0-0 a5 15.e4 Nf6 16.Qd3 Qb6 17.Bc3 a4 18.Ba2 Nd7 19.Ng5 Nf6 20.Qf3 e6 21.h4 h6 22.Nh3 Qc7 23.Rfd1 Bd7 24.Rac1 Rad8 25.Re1 e5 26.de5 Nh7? 27.Qg3 Bh3+/– 28.gh3 Kh8 29.Red1 Rde8 30.Rd6 Qe7 31.e6 fe6 32.Re6 Qd7 33.Rg6 (33.Rg6 Rf6 34.Bf6 Nf6 35.e5+–; 33.Qg6?! Bc3 34.Re8 Qe8 35.Qe8 Re8 36.Rc3 Re4+/–) 1–0. Hristodoulaki,A (1920) – Habesi,A (1685), 39th TCh–GRE, 2011.

6.Be2 Bg4 7.0-0 dc4 8.Bc4 Nc6 9.a3 a5 (9...Qd6 10.d4=) 10.b5+= Nb8 (10...Na7 11.d4+=) 11.d3 (11.h3 Bf5+=) 11...c6 12.bc6 Nc6 13.Nbd2 Bf3 (13...Qd6 14.Rb1+=) 14.Nf3 Re8 (14...Qd6 15.Rb1+=) 15.Qb3 e6 16.Qb7 Rc8 (16...Rb8 17.Qc6 Rb2 18.Rfb1+/–) 17.Ne5 (17.Rab1 Re7 18.Qb3 Qd6+/–) 17...Re7 (17...Ne5!? 18.Be5 Ng4 19.Bg7 Kg7+/–) 18.Qc6+– (18.Nc6?! Rb7 19.Nd8 Rb2 20.Ne6 Rc4 21.dc4 fe6+=) 18...Rc6 19.Nc6 Qd6 20.Ne7 Qe7 21.Rfc1 Nd5 (21...Ng4 22.Bg7 Kg7 23.h3+–) 22.Bg7 (22.d4 h6+–) 22...Kg7 23.d4 h5 (23...Qd8 24.Rc2+–) 24.Bd5 ed5 25.Rc5 h4 (25...a4 26.Rd5 Qb7 27.Rc5+–) 26.Rd5 a4 27.Ra5 1–0. Wall,Bill – Uddin, internet, 1999.

6.Bf6 Bf6 7.d4 dc4 8.Bc4 Nc6=.

6.h3 a5 7.b5=.

6.h3 Na6 7.a3= c5 (7...Bf5 8.cd5 Nb8 9.d3+=) 8.b5 (8.cd5 cb4 9.Ba6 ba3 10.Bf6 Bf6=) 8...Nc7=+ 9.Qb3 (9.d4 Ne4=+) 9...Be6 (9...Bf5 10.Be2=+) 10.Ng5 (10.Be5 Qd7=+) 10...Bf5 11.cd5 (11.g4 Bd7=+) 11...Ncd5 (11...h6 12.Nf3=+) 12.Nc3 Nc3 13.Bc3 (13.dc3 Qa5=+) 13...Bd3 14.Bd3 Qd3 15.Rc1 Rad8 16.Qb2 (16.Qb1 Qd5 17.Nf3 Rc8=+) 16...Rd5 (16...Rfe8 17.Qb1=+) 17.Nf3 Rf5 18.a4 Rd8 19.Qc2 Qd5 20.Bf6 Bf6 21.e4 Qe6 22.Qc4 Qc4 23.Rc4 Rf4 24.Ke2 Bd4 25.d3 Rf6 26.Nd4 Rd4 27.Rd4 cd4+= 28.Rc1 a6 29.g3 ab5 30.ab5 Rb6 31.Rc5 e6 32.e5+/– g5 33.Kf3 Kg7 34.Ke4+– Kg6 35.Kd4 f6 36.Ke4 fe5 37.Ke5 h6 38.f3 Kf7 39.d4 Kg6 40.g4 Kf7 41.Ke4 Kf6 42.Kd3 Rd6 43.Kc4 Rd7 44.b6 Rd6+/– 45.Kb5 Rd4 46.Rc7 Rd3 47.Rb7 Rf3 48.Rc7 Ke5? 49.Rc4 Rb3?? 50.Kc6 Rh3 51.Rc5 Kd4 52.b7 Rb3 53.Rb5 Rc3 54.Kd7 Kc4 55.b8Q (55...Kd3 56.Qd6 Kc2 57.Qh2 Kd3 58.Rb2 Kd4 59.Rb4 Rc4 60.Qd2 Ke5 61.Qe3 Re4 62.Qe4 Kf6 63.Qe6 Kg7 64.Qe7 Kg6 65.Rb6) 1–0. Larios,Francisco Javier (1990) – Fabre,Jose Maria (2105), Cto Autonomico Equipos, 2005.

6.a3 a5

7.Qb3 b6 8.Nc3 Bb7 9.c5 Nbd7 10.cb6 c5 11.bc5 Nc5 12.Qa2 Qb6 13.Nb5 a4 14.Bd4 Nfd7 15.Bg7 Kg7 16.Rb1 Nb3 17.Nbd4 Ndc5 18.Be2 f6 19.0-0 e5 20.Nc2 Ne4 21.Qb2 Qa5 22.Nb4 Rac8 23.Bd1 g5 24.h3 h5 25.Bb3 ab3 26.d3 Nc5 27.h4 Na4 28.Qb3 g4 29.Nd2 Rc3 30.Qa2 Nc5 31.d4 Ra3 32.Qc2 Ne6? 33.Qf5+– Bc8 34.de5 Nc5?? 35.ef6 (35.ef6 Rf6 36.Qg5 Rg6 37.Qe7 Kh6 38.Rfc1+–) 1–0. Pasiev,R (2240) – Ivanov,Stepan RUS (2070), Corporation Centre Cup, Izhevsk RUS, 2010. (=1.a3 Nf6 2.b4 d5 3.Bb2 g6 4.Nf3 Bg7 5.e3 0-0 6.c4)

7.b5 c6 8.Be2 dc4 9.Bc4 cb5 10.Bb5 Nc6 11.0-0 Qb6 12.a4 Bf5 13.Na3 Rad8 14.Nc4 Qa7 15.Bc6 bc6 16.d4 Qa6 17.Nce5 Nd5 18.Qc1 Nb4 19.Ba3+= Rc8 20.Bb4 ab4 21.Qc5 b3 22.Nc4 Rb8 23.Nb2 Qe2 24.Qa3 Rfc8 25.Rfe1 Qa6 26.e4 e5 27.Rac1 Be6 28.de5 Bf8-/+ 29.Qa1 c5 30.Ng5 c4 31.Rc3 Bb4 32.Qc1 Bc3 33.Qc3 Qb6 34.Ne6 Qe6 35.f4 Qb6 36.Kf1 Qb4 37.Rc1 Qb7 38.Re1 Qd7 39.Rd1 Qg4 40.g3 Rd8 41.Rd6 Rd6 42.ed6 Qe6 43.e5 Qd5 44.Kg1 Qc5 (44...Qc5 45.Kg2 Qc6 46.Kh3 Rc8-/+) 0–1. Lopez,Co (1815) – Granara Barreto,S (2260), XV PRO AM Open, Villa Martelli ARG, 2008. (=1.a3 d5 2.Nf3 Nf6 3.b4 g6 4.Bb2 Bg7 5.e3 0-0 6.c4)

7.Nc3=.

6.a3 b6

7.cd5 Qd5 8.Nc3 Qh5 9.Be2 Bg4 10.h3 Rd8 11.0-0 (11.Rg1 Bd7 12.g4 Ng4 13.hg4 Bg4+-) 11...Bh3 (11...Bd7!?+=) 12.gh3+/- Qh3 13.Nh2 c5? (better 13...c6!?+/-) 14.Bf3+- Nbd7 15.Ba8 Ra8 16.Qf3 Qe6?? (16...Qf3 17.Nf3 h6+-) 17.Qa8 (17.Qa8 Bf8 18.Qa7 cb4 19.ab4+-) 1-0. black_bishop_88 (2650) - accelerated_dragon (2080), Hourly SuperBlitz Arena, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.Nf3 d5 5.e3 0-0 6.c4)

7.cd5 Nd5 8.Bg7 Kg7 9.Bc4 Bb7 10.0-0 Nd7 11.Nc3 Nc3 12.dc3 Nf6 13.Qe2 e6 14.Rfd1 Qe7 15.Bd3 Rfd8 16.e4 c5 17.g3 (17.e5 Nd5 18.Qe1 Nf4+=) 17...Rd3 (17...c4 18.Bc2=) 18.Rd3 Be4 (18...Ba6 19.Rad1=) 19.Re3 Qb7 20.Nd2 Bf5 21.c4 Rd8 22.Rd1 (22.bc5 bc5 23.Re1 Qb2+=) 22...Ng4 (better 22...cb4!? 23.ab4 Qd7=+) 23.Rc3+= h5 24.f3 Nf6 25.Qe5 cb4 26.ab4 Qe7 27.Rcc1?? (better 27.c5+/-) 27...Qb4=+ 28.Ne4 (28.Nf1!? Rd1 29.Rd1 Qc4 30.Ne3=+) 28...Rd1-/+ 29.Rd1 Be4 30.fe4 Qc4 31.Rf1 Qc5 32.Qc5 bc5 33.e5 Nd7 34.Re1 a5 35.Kf2 a4 36.Kf3 Nb6 (better 36...f5!?-+) 37.Rc1-/+ c4 38.Ke4 g5 (38...f6!?-/+) 39.Kd4= Exerts pressure on the isolated pawn 39...Kg6 40.Kc5 Nd5 41.Rc4 Kf5 42.Kd6 a3 43.Ra4 Nb6 44.Ra6 Nc4 The isolani on e5 becomes a target 45.Kc5 Ne5 46.Ra3 1-0. Kazuma (2010) - Vfpenrf (2160), Rated Blitz game, lichess.org, 2013. (=1.a3 Nf6 2.b4 d5 3.Bb2 g6 4.Nf3 Bg7 5.e3 0-0 6.c4)

6.a3 dc4

7.Bc4 c5 8.0-0 (8.bc5 Qa5+–) 8...cb4= 9.ab4 Nc6 (9...Bg4 10.h3 Bf5 11.d3+=) 10.Nc3 (10.Bc3!?+=) 10...Nb4=+ 11.Ba3 (11.Ne5 Qd6 12.Nb5 Qd8+=) 11...Nd3 (11...Nc6 12.d4=+) 12.Bd3 (12.Qb1 Bf5 13.Qb7 Qc8+=) 12...Qd3 13.Qb3 (13.Be7!? Re8 14.Ne5=) 13...Re8 (13...Ne4 14.Rfc1-/+) 14.Rab1 (14.Ne5 Qf5 15.d4 Qe6=+) 14...Be6 (14...e5 15.Ng5 Qd7 16.Nce4 Ne4 17.Ne4-/+) 15.Qb2 (15.Qb7 Nd7 16.Rfc1 Bf5=) 15...b6 (15...Nd5 16.Qb7 Bc3 17.dc3 Nc3 18.Ra1-/+) 16.Ne1 (16.Ne5!? Qd8 17.d4=+) 16...Qd7 (16...Qf5 17.Nf3–+) 17.Rc1 (17.Nf3 Bf5 18.Rbc1 Bd3–+) 17...Ne4 (better 17...Ng4–+) 18.Ne4?? (better 18.d4 Nc3 19.Rc3-/+) 18...Bb2–+ 19.Bb2 Rac8 20.Ra1 f5 (20...Bc4 21.d3 Bd3 22.Rd1–+) 21.Ng3 (21.Ng5 Qd2 22.Ne6 Qb2–+) 21...Qd2 22.Bd4 Bc4 (better 22...Bd5 23.Be5–+) 23.Nf3 Qb4 24.Rfc1 (24.Rfb1 Qd6 25.Ra7 e5–+) 24...Bd5 (better 24...Bd3 25.Rd1 Bc2–+) 25.Ng5 (25.Rcb1 Qd6 26.Ra7 Bf3 27.gf3–+) 25...Rc1 26.Rc1 e5 27.Ba1 (27.Bc3 Qa3 28.Rd1 Qb3–+) 27...f4 (better 27...Qd2 28.Rb1–+) 28.ef4 (28.Nf1 h6 29.Nf3 Bf3 30.gf3 a5–+) 28...ef4 (better 28...Qf4 29.Rd1 Qg5 30.h4–+) 29.Ne2 (29.Nf1 Qa3 30.Rd1 Bb3–+) 29...Re2 (better 29...Qe7 30.h4 Qe2–+) 30.h3 (30.Rc8 Qf8 31.Rf8 Kf8 32.Bc3–+) 30...Re1 31.Re1 Qe1 32.Kh2 Qf2 33.h4 (33.Nf3 Bf3 34.Be5 Qg2) 33…Qg2 0–1. Markzela (1650) – absyer_bihi (1905), lichess.org, 2020.

7.Bc4 Nc6 8.0-0 Qd6 9.Nc3 Be6 10.Bb3 (10.Nb5 Qd7 11.Be6 fe6+=) 10...Bg4 11.d4 e6 (11...a6 12.Qe2=) 12.Nb5 (12.h3!? Bf3 13.Qf3+/– (13.gf3?! e5=)) 12...Qd7= 13.h3 Bf3 14.Qf3 (worse is 14.gf3 a5+=) 14...a6 (14...Na5! 15.Ba4 c6 16.ba5 cb5=) 15.Nc3+= Ne7 (15...Rad8 16.Rac1+=) 16.Ne2 (16.Qb7!? Rfb8 17.Qf3+/–) 16...Ned5 17.Nf4 (17.e4 Nb6+/–) 17...Nf4 18.Qf4 (worse is 18.ef4 c6+=) 18...Nd5 19.Qf3 b5 20.Rac1 Nb6 21.Qf4 Qd6 22.Qd6+/– cd6 23.Rc6 Nc4 24.Bc4+– bc4 25.Rc4 Rfc8 26.Rfc1 Rc4 27.Rc4 d5 28.Rc6 Bf8 29.Bc3 a5 30.b5 Ba3+/– 31.b6 Ra6?? 32.Rc8 Kg7 33.b7 Bd6 34.e4! Rb6 35.e5 Be5 36.de5 Rb7 37.Ba5 Rd7 38.Bc7 d4?! 39.Bd6 f6 40.Rc7 Rc7 41.Bc7 d3 42.Kf1 fe5 43.Be5 Kf7 44.Ke1 g5 45.Kd2 Kg6 46.Kd3 Kf5 47.Bg3 h5 48.h4 g4 49.Ke3 e5 50.Bh2 Ke6 51.Ke4 Kf6 52.Be5 Ke6 53.f3 gf3 54.gf3 Kf7 55.f4 Kg6 56.f5 Kf7 57.f6 Ke6 58.Kf4 Kf7 59.Kg5 Kf8 60.Kg6 Kg8 61.Bd6 Kh8 62.Kf7 Kh7 63.Ke7 Kg6 64.f7 Kf5+– 65.f8Q Ke4 66.Qf4 Kd5 67.Qe5 Kc4+– 68.Qc5 Kd3 69.Be5 Ke4 70.Qd4 Kf3 71.Kf6 Ke2 72.Bf4 Kf3. erisonpassos – lamalamicka (1695), kurnik, 2011.

7.Bc4 Ne4 8.Bg7 Kg7 9.Nc3 Nd6 10.Be2 Kg8 11.0-0 Nc6 12.d4 b6 13.Qc2 Bb7 14.Bd3 Nb8 15.Ne4 Ne4 16.Be4 Be4 17.Qe4 Nd7 18.Rac1 Nf6 19.Qf4 Qd6 20.Qd6 cd6 21.Nd2 Rfc8 22.Nb3 Kf8 23.f3 Nd5 24.Kf2 Rc3 25.Rc3 Nc3 26.Rc1 Nb5 27.a4 Na3 28.Ke2 Ke8 29.Kd3 b5+= 30.ab5 Nb5 31.Na5 Kd8 32.Nb7 Kd7 33.Na5 Rc8 34.Rc8 Kc8 35.Kc4 a6 36.e4 Kc7 37.g4 Kb6 38.h4 Nc7 39.d5 e6 40.Nb3 f5 41.h5 ed5 42.ed5 fg4 43.fg4 Ne8 44.hg6 hg6 45.g5 Ng7 46.Nd4 Nf5?? 47.Nf5+– gf5 48.g6 f4 49.g7 f3 50.g8Q f2 1–0. Fournier,Frederic – JARNAU, Active, 2007.

7.Bc4 e6 8.0-0 c6 9.d4 Nbd7 10.Nbd2 Qc7 11.Rc1 b5? (better is 11...Rd8!?+/–) 12.Bb5!+– Qd6 13.Bc6 Rb8 14.Bd7 (14.e4!? Nh5+–) 14...Bd7 15.Nc4 Qe7 16.Nce5 Bc8? (16...Bb5 17.Re1 Ne4+–) 17.Nc6 Qc7 18.Nb8 Qb8 19.Ne5 Bb7 20.Nc6 Qd6 21.Na7 Qd5?? 22.f3 Ng4 23.Qd3 Qh5 24.h3 Nf6 25.Nc6 Nd5 26.Na5 Ba8 27.Nc4 Nf6 28.b5! Qh4 29.b6 Nh5 30.a4 Ng3 31.Rf2 Nf5 32.a5 Bh6 33.a6 Bd5 34.e4 Bc4 35.Rc4 Be3 36.Rcc2 Bf2 37.Rf2 Nd6 38.d5 Rc8 39.Qd4 f6 40.Qf6 Rc1 41.Kh2 Qf6 42.Bf6 Rb1 43.Rb2 Rb2 44.Bb2 Kf7 45.b7 (45.b7 Nb5 46.b8Q ed5 47.Qb7 Ke6 48.ed5 Kd6 49.Qc6 Ke7 50.Bf6 Kf8 51.Qe6 h6 52.Qe7 Kg8 53.Qg7#) 1–0. rus2012 – damianofff (1625), kurnik, 2012.

7.Bc4 Bf5 8.d4 Re8 9.0-0 Ne4 10.Nbd2 Nd6 11.Bb3 Nc6 12.Bc2 Be6 13.Rc1 Bd5 (13...a5 14.ba5 Na5 15.Bd3=) 14.Re1 e5 15.de5 Ne5 16.Ne5 Be5 17.Be5 Re5 18.Nf3 Bf3 19.Qf3 (worse is 19.gf3 Qh4-/+) 19...Qg5 20.Bb3 Rf5 21.Qg3 Qf6? (better is 21...Qg3!? 22.hg3 c6+=) 22.Rc7+– Ne4? 23.Rf7 Kh8 24.Qc7 Qf7 25.Bf7 Nf2 26.Qc3 Rf6 27.Qf6 1–0. Fournier,Frederic (1760) – lojefe (1705), Active (5/0), 2004.

6.a3 c5

7.Nc3 cb4 8.ab4 dc4 9.Bc4=.

7.Nc3 Nc6 8.b5 Na5 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 Qd5 12.Be2 Rd8 13.d3 c4 (13...a6 14.ba6 Ra6 15.Qc2=) 14.dc4+= Qd1 15.Bd1 Nc4 16.Be2 Nd6 17.Rd1 Bd7 18.a4 Rac8 19.0-0 (19.Nd4 Ne4=) 19...Ne4+= 20.Bd3 Nc3 21.Ra1 Bg4 22.Ne1 Bd1 23.a5 Rd3! 24.Nd3 Be2 25.Nf4 Bf1 26.Kf1 Nb5 27.Rd1 g5 28.Rd7 ½–½. Naasen,Nils (1915) – Wlasow,Andrey (2220), IECG, 2004.

7.bc5 Qa5+=.

7.bc5 Nc6 8.cd5+/- Nd5 9.Bg7 Kg7 10.d4 e5 11.Bc4 (11.Ne5!? Ne5 12.de5 Qa5 13.Nd2+/-) 11...ed4+= 12.ed4 (12.Nd4 Qa5 13.Nd2 Nd4 14.Bd5 Qc5=) 12...Re8= 13.Kf1 Bg4 14.h3 (14.Ra2!?=) 14...Bf3=+ 15.gf3 Nc7 (15...b6 16.Bb3-/+) 16.d5=+ Ne5 17.Bb3 (17.Qd4!? Kg8 18.Nc3=) 17...Qf6-/+ The isolani on f3 becomes a target 18.Nd2 (better 18.Ra2 Na6 19.Nd2 Nc5 20.Ne4 Qa6 21.Kg2-/+) 18...Rad8?? (better 18...Nd3 19.Bc4 Nc5-+) 19.d6 Ne6 20.Rc1 (20.Ne4 Qf4 21.Be6 Re6=) 20...Nd4 The pressure on the isolated pawn grows (20...Qf4 21.Ba4 Rh8 22.Rc3=+) 21.Bd5= Nd3? (better 21...Rd7=) 22.Rc3?? (22.Ne4 Re4 23.Qd3+= (worse 23.Be4 Nc1 24.Qc1 b6-/+)) 22...Re1-+ 23.Qe1 Ne1 24.Ne4? (24.Ke1 Qe5 25.Be4-+) 24...Qe5 (24...Qf5 25.Bb7 Nef3 26.Rc1-+) 25.Bb7 Nef3 26.c6 (26.Re3-+) 26...Qe4 27.c7 (27.Re3 Nd2 28.Kg1 N4f3 29.Kg2 Ne1 30.Kg3 Qg2 31.Kf4 Qf2 32.Kg5 h6 33.Kg4 f5) 27...Qe2 28.Kg2 Nh4 29.Kg3 Ndf5 30.Kf4 g5! 31.Kg5 (31.Kg5 h6 Mate attack) 31...h6 32.Kf4 Qd2 (32...Ng6 33.Kf5 Qe6) 33.Kg4 (33.Re3 Qf2 34.Rf3 Qd2 35.Re3 Qe3 36.Kg4 Qg5) 33...Qd4 (33...Qg5) 34.f4 (34.Kh5 Kh7 35.Be4 Qe4 36.Rg1 Ng6 37.f4 Nf4 38.Kg4 Rg8) 34...h5! 35.Kh5 (35.Kh5 Rh8 Mate attack) 35...Qf4 (35...Rh8 36.Kg4 Qf6 37.c8Q Qg6) 36.Rg1?? (better 36.cd8Q Qh6 37.Kg4 Ne3 38.Kg3 Nef5 39.Kf2 Qd2 40.Kf1 Qd1 41.Kf2 Qd2 42.Kf1 Qd1 43.Kf2 Qd2=) 36...Ng6 (36...Kh7 37.cd8Q Ng3 38.Rcg3 Qh6 39.Kg4 f5) 37.cd8Q (37.cd8B Kh7 38.Bf6 Ng7 39.Bg7 Qh4) 37...Qh6 (37...Kh7 38.Qh8 Kh8 39.Rc8 Kh7 40.Rh8 Kh8 41.Rg6 Qh4) 38.Kg4= Qf4 39.Kh5 Qh6 (39...Kh7 40.Qh8 Kh8 41.Rc8 Kh7 42.Rh8 Kh8 43.Rg6 Qh4) 40.Kg4= Qf4 41.Kh5 ½-½. AstanehChess (2710) - napolinicolo (2475), Rated Bullet game, lichess.org, 2019. (=1.a3 A00: Irregular Openings 1...d5 2.b4 Nf6 3.Bb2 g6 4.Nf3 Bg7 5.e3 0-0 6.c4)

6.a3 c6

7.d3 Bg4 8.Be2 Qc7 9.Nbd2 e5? (better is 9...Nbd7!?=) 10.Be5+/– Qe7 11.Bb2 Nbd7 12.0-0 Bf3 13.Nf3 Ng4 14.Bg7 Kg7 15.h3 Nge5 16.Ne5 Ne5 17.cd5 cd5 18.d4 Nc6 (18...Nc4 19.Qa4+/–) 19.Qb3 Qd6 20.Rac1 Rac8 21.Rc2 Rc7 22.Rfc1 Rfc8 23.Bb5 a6 24.Bc6 bc6 25.Rc5 Qe6 26.Qd3 f5 27.Qa6 Qf6 28.b5 Qf8 29.Rc6 Rc6 30.Rc6 Ra8 31.Qb7 Kh6 32.Ra6 Rb8 33.Qd5 Qc8 34.Qc5 Qe8 35.a4 Rc8 36.Rc6 Ra8 37.Qb4 Qg8 38.a5 Qa2 39.a6 Qa1 40.Kh2 Qf1 41.Rc2 Ra6 42.ba6 Qa6 43.Rd2 Qf6 44.d5 f4 45.Qf4 Qf4 46.ef4 Kh5 47.d6 Kh4 48.d7 h6 49.d8Q g5 50.fg5 hg5 51.Qh8 1–0. Fournier,Frederic (1930) – ckbananas (1950), Active (3/5), 2004.

7.d4 dc4 8.Bc4 Nbd7 9.Nc3 a5 10.0-0 ab4 11.ab4 Ra1 12.Qa1 Qb6 (12...Nb6 13.Be2=) 13.b5+= c5 (13...Qc7 14.bc6 bc6 15.Qa3+=) 14.d5 (better 14.Na4!? Qc7 15.dc5+-) 14...Nh5 (14...Rd8 15.Rc1+=) 15.Na4 Qd6 16.Bg7 Ng7 17.e4 Nb6 (17...e5 18.de6 Ne6 19.Rd1+/-) 18.Nb6+/- Qb6 19.h3 (19.Qc1 e6+/-) 19...Bd7 Attacks the isolani on b5 (19...e6 20.Re1+=) 20.Rb1 Qc7 (20...Ne8!?+/-) 21.b6 Qd6 22.Bb5 (better 22.Qa7!? Qb8 23.Qb8 Rb8 24.Ne5+-) 22...Bb5+= 23.Rb5 Rc8 (23...f5 24.ef5 Nf5 25.Qc1+=) 24.Qc3 (better 24.Qa7 Qd7 25.Qa5+=) 24...Qf4?? (24...e6 25.Qe5 Qd8 26.Nd2=) 25.Qc4?? (better 25.Rc5!? Re8 26.Qe5 Qh6+-) 25...Qd6? (better 25...Ra8 26.Rb1 Rc8+=) 26.e5+- Qd8 27.Rc5 Ra8 (27...Rc5 28.Qc5 h6+-) 28.Rc7 Nf5 29.Rb7 Ra1 (29...Qe8 30.Nh4 Ng7 31.Rc7+-) 30.Kh2 f6 (30...Rb1 31.Rc7 Kg7+-) 31.d6 Kg7 (31...Kh8 32.de7 Qe8 33.Qc3 Rh1 34.Kh1+-) 32.de7 (32.ef6 Kf6 33.Qc3 Ke6 34.Qe5 Kf7 35.Ng5 Kg8 36.Qd5 Kg7 37.Ne6 Kf6 38.Nd8 Re1 39.de7 Kg5 40.Nf7 Kf6 41.Qc6 Nd6 42.Qd6 Kg7 43.Qd4 Kf7 44.e8Q Ke8 45.Qh8) 32...Ne7 (32...Qe8 33.Qc3 Kg8 34.Qa1+-) 33.Qc7 (better 33.Qe6 Kh6 34.Qf6 Ra4 35.Re7 Qe7 36.Qe7 Ra8 37.g4 Rh8 38.b7 Rb8 39.g5 Kh5 40.Qh7) 33...Kf7 (33...Qc7 34.bc7 Rc1+-) 34.Qd8 Rh1 35.Kh1 h5 (35...Ke6 36.Qd7 Kf7 37.Qe7 Kg8 38.Qd8) 36.Qe7 (36.Re7) 36...Kg8 37.Qg7 (37.Qd8) 1-0. kikacrownz (1925) - Vihvillain (2185), Rated Bullet game, lichess.org, 2014. (=1.a3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.Nf3)

7.d4 Nbd7 8.Nbd2 Re8 9.Be2 dc4 10.Nc4 Nb6 11.Nce5 Nfd7 12.Nd3 Nf6 13.0-0 Bg4 14.a4 (14.Nc5 Rb8+=) 14...Nbd5= 15.Qb3 Be6 (15...Qd6 16.b5+=) 16.Nc5+= Nf4 17.Qc2 (17.Bc4 Bc4 18.Qc4 Qd5+/-) 17...Ne2+= 18.Qe2 Bc8 19.Rfc1 Nd7 20.Nd3 Nb6 21.Nc5 Nd7 22.Rd1 Qc7 23.Rac1 Nf6 (23...Nc5 24.dc5 e5 25.e4+=) 24.h3 h5 (24...Qb6 25.Bc3+=) 25.e4 b6 26.Nd3 Qb7 27.Nde5 Bd7 28.Ng5 Rf8 29.b5 cb5 30.ab5 Rac8 (30...a6 31.Nc6 Bh6 32.f4 (32.Ne7?! Kg7 33.e5 Ng8 34.ba6 Qa6 35.Qa6 Ra6 36.Ng8 Bg5=) 32...Bc6 33.bc6+/-) 31.Rc8 Bc8 32.d5 Nd7 33.Nc6 Nc5 34.Bg7 Kg7 35.e5 White prepares d6 35...f6 36.Nf3 Bf5 (36...a6 37.ba6 Qa6 38.Qb2+-) 37.Nfd4 (37.Nh4 e6+-) 37...Bd7 38.e6 (38.f4 Re8+-) 38...Be8 (38...Bc6 39.Nc6 Qc7 40.Ra1+-) 39.d6 (39.Qa2!? Bc6 40.dc6 Qc7+-) 39...ed6+/- 40.f4 (40.e7 Rh8+/-) 40...Bc6 41.bc6 Qc8 (41...Qc7 42.f5 d5 43.fg6+/-) 42.f5 Re8 (better 42...a6+/-) 43.fg6+- Ne6 (43...Kg6 44.Qc2 Kg7 45.Nf5 Kg8 46.Nd6 Qe6 47.Qg6 Kf8 48.Ne8 Nd3 49.Qf6 Qf6 50.Nf6 Ke7+-) 44.Nf5 (44.Qh5?! Ng5+-) 44...Kg6 45.Nd6 (better 45.Qc2 Qd8 46.Rd6+-) 45...Nf4?? (better 45...Qc6 46.Ne8 Nf4+-) 46.Qc2 Kg5 1-0. CtFletch57 (2590) - blitzbullet (2430), Lichess Quarantε³ne-Bundesliga Team Bat, lichess.org, 2021.

7.cd5 cd5 8.Be2 Bf5 9.0-0 Na6 10.d3 Ne8 (10...Qd7!?=) 11.Bg7+= Ng7 12.Nbd2 Qd6 13.Qb3 Rfd8 14.Rac1 Rac8 15.e4 de4 (15...Bg4 16.Qd5 Qd5 17.ed5 Rd5 18.h3 Rc1 19.Rc1+=) 16.de4+/– (16.Ne4?! Qd7=) 16...Be6 17.Qe3 Qb6 18.Qb6 ab6 19.Nc4 Bc4 20.Bc4 Nc7 21.Ne5 Nge6 22.Rfd1 b5 23.Rd8 Rd8 24.Bf1 f6 25.Nd3 Rd6 26.Nc5 Rc6 27.Nb3 Rc1 28.Nc1 Nd4 29.Bd3 e5 30.Ne2 Nc6 ½–½. Thorsteinsson,Erlingur – Elyakim,Daniel, olm12 qual GP4 B5 corr, 1992. (=1.Nf3 Nf6 2.a3 d5 3.b4 g6 4.Bb2 Bg7 5.e3 0-0 6.c4 c6)

7.cd5 cd5 8.Be2 Bg4 9.0-0 Nbd7 10.d3 Rc8 11.Nbd2 Qc7 12.Rc1 Qb8 13.h3 Bf3 14.Nf3 e6 15.Rc2 Rc7 16.Rc7 Re8?? (16...Qc7 17.Qd2+=) 17.Rc8 (better 17.Qc2+-) 17...Rc8= 18.Qa1 Ne8 (18...Rc2 19.Nd4 Rc7 20.Rc1=) 19.Bg7+= Ng7 20.Rc1 Ne8 21.Rc3 Nd6 22.Qc1 Rc3 23.Qc3 Nb5 24.Qc1 Nb6 25.Bd1 Qc8 26.Qb2 Qc3 27.Qc3 Nc3 28.Bb3 Kf8 29.Kf1 Ke7 30.Ke1 f6 31.Bc2 e5 32.Kd2 Nb5 ½-½. Barath,Kalyan M (2080) - Siva,Mahadevan (2340), 1st Gujarat Open, 2018. (=1.a3 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4)

7.cd5 Nd5 8.Be2?? (8.Bg7 Kg7 9.d4 Bg4=) 8...Bg4 (better is 8...Bb2 9.Ra2 Bg7–+) 9.Bg7= Kg7 10.0-0 Nd7 11.Nc3 e5 12.Nd5 cd5 13.h3 Be6 14.d3 f5 15.Rc1 Rc8 (15...a5 16.b5+=) 16.Rc8+= Qc8 17.Qc1 (17.Ne5 Ne5 18.Qa1+/–) 17...Nb6? (17...Qb8 18.Ng5 Re8 19.d4+=) 18.Rd1 (better is 18.Qa1!?+–) 18...Na4 19.Ne1?? Qd7 20.f3 Rc8 21.Qd2 Qc6 22.e4 d4 23.Kh2 Bb3 24.Rb1+= Nc3?? 25.Rb3+– Qe6 26.Nc2?? Qb3–+ 27.Bf1 Ne4 28.de4 Rc2 29.Qg5 Qf7 0–1. Fournier,Frederic (1815) – folerpa (1780), Active (1/0), 2005.

7.Be2 a5 8.b5 cb5 9.cd5 Nd5 10.Bg7 Kg7 11.Bb5 Bd7 12.Qb3 Bb5 13.Qb5 Qd7 14.Qb2 Kg8 15.0-0 Nc6 16.Rc1 Rab8 17.Nc3 Nc3 18.Rc3 b5 19.Rac1 Rfc8 20.h4 (20.d4 b4 21.Rc5 e6+=) 20...Na7 21.h5 Rc3 22.Rc3 Qd8 (better is 22...b4!?=) 23.h6+/– Qf8 24.Rc7 Nc8 (24...Ra8 25.Ne5 Qh6 26.Re7 Nc6 27.Nc6 Qh5+–) 25.Ne5 Nb6 (25...Ra8 26.Nc6 f6+–) 26.Nc6 (26.Qb5?! Nc4 27.Qc4 Rb1 28.Kh2 Qh6 29.Kg3 Qg5 30.Ng4 h5+–) 26...Nd5 27.Rd7 Rc8 (27...Re8 28.Rd5 f6 29.Rd7+–) 28.Rd5 (worse is 28.Qb5 e6 29.e4 Rc6 30.Qc6 Nf6+–; 28.Na5?! Nf6 29.Rd4 Qh6=) 28...Rc6 (28...f6 29.Qb5 Qe8 30.Rc5+–) 29.Rd8!! (29.Rd8 f6 30.Rf8 Kf8 31.Qb5+–; 29.Rb5?! Rc8+/–) 1–0. Gelashvili,Tamaz (2610) – Salgado Lopez,Ivan (2530), Athens Acropolis op, 2008. (=1.a3 g6 2.Nf3 Bg7 3.e3 Nf6 4.b4 d5 5.c4 0-0 6.Bb2 c6)

7.Be2 a5 8.b5 cb5 9.cb5 Nbd7 10.a4 Nc5 11.0-0 Bf5 12.d4 Nce4 13.Nbd2 Rc8 14.Rc1 Nd2 15.Nd2 Qd7 16.Qb3 b6 17.Ba3 Ne4 18.Ne4 Be4 19.Qb2 Bf6 20.f3 Bf5 21.Rc8 (21.g4 Be6=) 21...Rc8 22.Rc1 h5 23.Rc3 Kf8 24.Qc1 Rc3 25.Qc3 Ke8 26.Qc6 Qc6 27.bc6 Kd8 28.Bc1 e5 29.Bb5 Be6 30.e4 Kc7 31.f4 de4 (31...ed4 32.f5 Be7 33.fe6 fe6 34.Bf4 Bd6 35.Bd6 Kd6 36.e5 Kc7 37.h4+-) 32.fe5 Be7 33.h4 Bd5 34.Bf4 Bc6 (34...Kd8!?=) 35.e6+= Kb7 36.Bc6 Kc6 37.ef7 Bf8 (37...Kd5!?+=) 38.Kf2+/- b5 39.ab5 Kb5 40.Ke3 Kc6 41.Ke4 Kd7 42.Kd5 (better 42.d5!?+/-) 42...a4 43.Bc1 (better 43.Bg5=) 43...a3?? (43...Ke7!?=) 44.Kc4 (better 44.Ba3!? Ba3 45.Ke5+/-) 44...a2+= 45.Bb2 Ke6 46.Kb3 Kf7 47.Ka2 Be7 ½-½. Kazmin,Semen (2190) - Erastov,Semen (1980), St Petersburg RUS, 2019. (=1.a3 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4)

7.Be2 dc4 8.Bc4 a5 9.d4=.

7.Be2 Nbd7 8.0-0 Re8 9.Nc3 Nb6 10.cd5 cd5 11.Qb3 Bg4 12.Rfd1 Rc8 13.Rac1 e6 14.d3 a6 15.Rc2 Re7 16.Rdc1 Rec7 17.h3 Bf3 18.Bf3 (worse is 18.gf3 d4 19.Nd1 Rc2 20.Rc2 Rc2 21.Qc2 Nfd5+=) 18...Nfd7 19.Nd1 Ne5 20.Be2 Nbd7 21.Bd4 Nc6 22.Bg7 Kg7 23.a4 a5 24.Qb2 Kg8 ½–½. Hellmayr,Alois (2305) – Karner,Christoph (2170), Donau op, 1995. (=1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6)

7.Be2 Nbd7 8.0-0 Re8 9.cd5 Nd5 10.d4 (10.Bg7 Kg7 11.Nc3 N7b6+=) 10...e5 (10...N7f6 11.Nc3=) 11.b5 (11.de5 Ne5 12.Be5 Be5 13.Ne5 Re5+=) 11...e4= 12.bc6 bc6 13.Nfd2 Rb8 14.Qc2 N7f6 (14...c5 15.Bc4 N5b6 16.Bb5=) 15.Nc3+= Nc3 16.Bc3 Qc7 (16...Bg4 17.Bc4+=) 17.Bb4 Bg4 18.Nc4 Re6 19.Rfc1 Be2 20.Qe2 Rb5 21.Ne5 Nd5 22.Qb5 cb5 23.Rc7 Nc7 24.Rc1 Be5 25.de5 Ne8 26.Rc5 a6 27.g4 g5 28.Kf1 Kg7 29.Ke2 Kg6 30.Bc3 h5 31.h3 hg4 32.hg4 f6 33.Kd2 f5 34.gf5 Kf5 35.Rd5 Kg4 36.Rd7 Rc6 37.Bd4 Kf3 38.Rf7 Kg2 39.Rf5 Rg6 40.Ke2 Kg1 41.Rf6! Rg7 42.Rf5 Rg6 43.Rf6 Rg7 44.Rf8 Nc7 45.e6!+– Re7 46.Rf7 Nd5? 47.Rf5 Nc7 48.Rg5 Kh1 49.Kf1 Kh2 50.Be5 Kh3+– 51.Rg3 (51.Rg3 Kh4 52.Bf6 Kh5 53.Rg5 Kh6 54.Be7 Ne6 55.Rg4+–) 1–0. Repka,Christopher (2330) – Kovac,Andrej (2155), Prievidza SVK, Youth Ch (b), 2014. (=1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c4 c6)

7.Be2 Bg4 8.0-0 Bf3+= 9.Bf3 dc4 10.Qc1 Qd3 11.a4 Nbd7 12.Ra3 Qd6 13.Qc4 Nd5 14.Bg7 Kg7 15.Rb3 Kg8 16.Qh4= e5 17.d4 Ne7 18.de5 Ne5= 19.Be2 Qe6 20.Rb2 Nf5 21.Qh3 Rfd8= 22.Nd2 Nd3 23.Bd3 Rd3 24.Nf3 h5 25.Rbb1 Qf6 26.Kh1 Re8 27.Ng1 Re4 28.Qf3 Qe5 29.Qe2 Qc3 30.Rfc1 Qd2 31.Qf1 Ra3 32.Nf3 Qd6 33.Ng5 Rg4 34.Rd1 Qe7 35.Nf3 Rb4 36.Rb4 Qb4 37.Rd8 Kg7 0–1. Reis,L (2240) – Stefansson,H (2555), Summer Festival Open, Lisbon POR, 2000. (=1.Nf3 d5 2.a3 g6 3.e3 Bg7 4.c4 Nf6 5.b4 0-0 6.Bb2)

7.Be2 Bg4 8.Qb3 e6 9.d3 Nbd7 10.Nbd2 a5 11.0-0 Qb8 12.h3 Bf3 13.Nf3 Rc8 14.Rfc1 b6 15.Rab1 ab4 16.ab4 Qb7 17.Bf1 h6 18.g3 Bf8 19.Bg2 b5 20.Bc3 Ra4 (20...bc4 21.dc4 Ne4 22.Ba1=) 21.Nd4 (21.Bf6!? Nf6 22.Qc3+=) 21...Rca8= 22.cb5 cb5 23.Qd1 Qb6 24.Qd2 Kh7 25.Nb3 Ra2 26.Rb2 Rb2 27.Qb2 Ne8 28.Bd4 Qa6 29.Ra1 Qc8 30.Na5 Nb8 31.Rc1 Qd7 32.Qc3 (better is 32.e4!?+=) 32...Na6+= 33.Bc5 Nc5 34.bc5 Bc5 35.Qc5 Ra5 36.Qb6 Ra7 37.Qd4 Rb7 38.Rb1 Kg8 (38...Qe7 39.f4-/+) 39.Qb4 Qd6 40.Qa5 Qd7 41.e4 (better is 41.Qb4!?=) 41...de4-/+ 42.de4 Rb8 (42...e5!?-/+) 43.e5= h5 44.Bf1 Nc7 ½–½. Lendwai,Reinhard (2385) – Spindelboeck,Gernot (2190), Oberwart op, 1995. (=1.a3 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 c6)

7.Be2 h6 8.0-0 Bf5 9.Nd4 Qd7 10.Nc3 dc4 11.Bc4 Nd5 12.Nf5 Qf5 13.d4 Nc3 14.Bc3 Nd7 15.Be2 Nb6 16.Bd3 Qd7 17.Qb3 Nd5 18.Bb2 Rad8 19.Rfd1 e6 20.e4 Nf4 21.Bf1 Qc7 22.g3 Nh5 23.Rac1 Qe7 24.Be2 Nf6 25.Qe3 a6 26.Qf4 Rd7 27.Rc5 Rfd8 28.Qe3 Kh7 29.f4 Ne8 30.Kh1 Nc7 31.a4 Rd6 32.Bf3 R6d7 33.e5 Nd5 34.Qb3 Bf8 35.b5 ab5 36.ab5 cb5 37.Rb5+/– b6 38.Bd5 Rd5 39.Rb6 Qe8 40.Ra1 Be7 41.Ra7 R5d7 42.Rbb7 Rb7 43.Rb7 0–1. Fournier,Frederic – Ward (2415), Active (5/0), 2007.

7.h3 Nbd7 8.Be2 Re8 (8...dc4 9.Bc4 Nb6 10.Be2+=) 9.d4 Ne4 10.Nbd2 (10.0-0 Nb6 11.cd5 cd5=) 10...Ndf6+= 11.0-0 Nd2 12.Nd2 a5 13.ba5 (13.Bd3 Be6=) 13...Ra5 (13...Qa5 14.Bd3+=) 14.cd5 Nd5 15.Nf3 (15.Nc4 Ra8=) 15...Bd7 (15...Qb6 16.Rb1+=) 16.Qb3 Qc7 17.g4 (17.Bc4 Rf8=) 17...h6 (17...Be6 18.Ng5+=) 18.Ne5+= Be6 19.Qd3 Rea8 20.Nf3 (20.Qc2 Ra4+=) 20...Qd6 (20...Nb6 21.Qc2-/+) 21.Ne5 Bd7?? (better is 21...Nb6-/+) 22.Nc4+/– Qc7 23.Na5 Qa5 24.f4 f5 (24...g5 25.fg5 hg5 26.Bf3+/–) 25.a4 (25.gf5!? gf5 (25...Bf5?? 26.e4+–) 26.Rf2 Kh7+–) 25...Kh7+/– 26.gf5 Bf5 27.e4 Nb4 28.Qf3 (28.Qb3 Be4 29.Bc3 c5+/–) 28...Be6+= 29.f5 (29.Rfd1 Nc2 30.Rac1 Qa4+=) 29...gf5= 30.ef5 (30.Qf4 Bf6=) 30...Bd5 31.Qg4 (31.Qe3 Bf6 32.Bc1 Rg8 33.Bg4=) 31...Bf7?? (31...Rg8 32.Qg6 Kh8–+) 32.Qe4 (32.Kh2!?+=) 32...Bf6= 33.Bc3? (better is 33.Rf4=) 33...Rg8-/+ 34.Bg4 h5 35.Rfb1?? (better is 35.Rae1-/+) 35...Qd5 (35...hg4 36.hg4 Qd5 37.Qh1 Qh1 38.Kh1–+) 36.Re1 (36.Qd5 A) 36...cd5? 37.Rb4 (37.Bb4?! Bd4 38.Kf1 Ba1=) 37...hg4 38.Rb7+–; B) 36...Nd5 37.Bd2 Bd4 38.Kh2 Be5 39.Kg2 Ba1 40.Ra1 hg4–+) 36...hg4 37.hg4 Qe4 (better is 37...Nc2! 38.Rab1 (worse is 38.Qc2 Rg4 39.Kh2 Qd6 40.Kh1 Bd5 41.Re4 Re4 42.Qe4 Be4 43.Kg1 Qg3 44.Kf1 Bd3) 38...Ne1 39.Re1 Qe4 40.Re4–+) 38.Re4 Bd5 39.Re2 (39.Rae1 Be4 40.Re4 c5–+) 39...Rg4 40.Kh2 Na6 (40...Nd3 41.Rg1 Rf4 42.Bd2 Rh4 43.Kg3 Rd4 44.Bc3 Bh4 45.Kh2–+) 41.Re3 (41.Rae1 Rg7–+) 41...Nc7 (41...Bg5 42.Kh3 Rh4 43.Kg3–+) 42.Rh3 (42.Rae1 Rg7 43.Ba5 Ne8–+) 42...Kg7 43.Rg3 Rg3 44.Kg3 c5! 45.Rd1 (45.dc5 Bc3 Pinning (45...Bc3 Deflection)) 45...cd4 (better is 45...Bb3!? 46.Rb1 c4 47.a5–+) 46.Bd4 Bd4 47.Rd4 Kf6 48.Kg4 Bc6 (48...Ke5 49.Rd1–+) 49.a5 Nb5 50.Rd8 Nd6 (50...Ke5!? 51.Rc8 Nd4 52.Kg5–+) 51.Kf4-/+ Bb5 52.Rh8 (52.Rf8 Kg7 53.Ra8 Kf7-/+) 52...Kg7 (52...Bd7 53.Rf8 Kg7 54.Ra8 Bf5 55.Ke5–+) 53.Rh5 (53.Ra8 Kf7-/+) 53...Bd7 54.Ke5 Bf5 55.Rg5 Kf7 56.Rf5?? (better is 56.Rg1–+) 56...Nf5 57.Kf5 (57.Kd5 Nd6–+) 57...Ke8 58.Ke6 Kd8 59.Kd5 Kd7 60.Kc5 Kc7 (60...Kc8!? 61.a6 ba6 62.Kc6–+) 61.Kb5?? (61.Kd5 Kb8 62.Kc4–+) 61...Kb8–+ 62.Kb6 (62.a6 ba6 63.Ka6–+) 62...e6 63.Kc5 Ka7 64.Kb5 e5 65.Kc5 Ka6 66.Kd5 Ka5 67.Ke5 b5 68.Kd5 b4 69.Kc4 Ka4 70.Kd3 b3 71.Kc3 Ka3 72.Kd3 Ka2 73.Kc4 b2 74.Kb4 b1Q (74...b1Q 75.Kc5 Qd3 76.Kc6 Kb2 77.Kc7 Kb3 78.Kb7 Qd7 79.Ka8 Kc4 80.Kb8 Kc5 81.Ka8 Kc6 82.Kb8 Qb7) 0–1. kewois (1745) – jcasals (1910), gameknot.com, 2016. (=1.a3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.c4 c6)

7.h4 Bg4=+ 8.h5 Bh5 9.Nc3 Nbd7 10.Qb3 Bf3 11.gf3 e6 12.f4 a5 13.0-0-0? (better 13.d4-/+) 13...ab4 (13...Ng4 14.Re1 Nf2 15.Rh2–+) 14.ab4 (14.Qb4 Ng4 15.Re1 Nf2–+) 14...dc4 (better 14...Ng4!? 15.Re1 dc4 16.Bc4 Nf2–+) 15.Bc4 b5 16.Be2 c5 17.Nb5 (17.Bb5 cb4 18.Qb4 Qb6–+) 17...cb4–+ 18.Kb1 (better 18.d4–+) 18...Qa5 19.Rc1? (19.d4 Ne4 20.Rh2 Ndc5 21.dc5 Nc5–+) 19...Rfb8 (19...Ne4 20.Rhd1 Nec5 21.Rc5 Nc5 22.Qc4 Bb2 23.Kb2–+) 20.Nd6 (20.f5 Ne4 (20...Rb5?! 21.Bb5 Ne4 22.Qa4 Nd2 23.Kc2 b3 24.Kd3 Qa4 25.Ba4 Bb2 26.Bd7 Bc1 27.Rc1–+; worse 20...gf5 21.Rhg1–+; 20...ef5?! 21.Nd6 Rf8 22.Bc4–+) 21.Rcd1 Bb2 22.Qb2 Nf2 23.fg6 A) 23...Nh1 24.gh7 Kf8 25.h8Q Ke7 26.Qh4 (26.Rh1?! Rh8 27.Rh8 Nf8+–; 26.Qh1 Rh8 27.Qc6 Ra6+–) 26...f6 27.Qh7 Kd8 28.Qh8 Ke7 29.Qg7 Kd8 30.Qgf6 Kc8 31.Qc2 Kb7 32.Qf3 Ka6 33.Qfc6 Nb6 34.Nd6 Ka7 35.Qc7 Rb7 36.Qb7; B) 23...fg6–+) 20...Nc5 21.Rc5 Qc5 22.Nc4 (22.Be5 Qc6 23.f3 Nd7–+) 22...Ne4 23.Bg7 Qc4!! 24.Bc4 (24.Qc4 Nd2 Double attack (24...Nd2 Decoy); 24.Bc4 Nd2 Double attack) 24...Nd2 25.Kb2 (25.Kc2 Nb3 26.Be5 Nc5 27.Bb8 Rb8–+) 25...Nb3 26.Be5 Na5 27.Bb8 Nc4 (worse 27...Rb8 28.Ba6–+) 28.Kb3 Rb8 (28...Na5!? 29.Kb4 Nc6 30.Kb5 Nb8 31.e4–+) 29.Kc4 b3 30.Rb1 b2 31.Kc3 h5 0–1. FeegLood – hiimgosu (2805), lichess.org, 2015.

6.a3 Bf5

7.d4 Nbd7=.

7.Nd4 e6 8.h3 Nc6 9.Nf5 ef5 10.cd5 Nd5 11.Bg7 Kg7 12.b5 Na5 13.Qa4 c6 14.Be2 Qb6 15.0-0 cb5 16.Qb5 Qb5 17.Bb5 Rac8 18.a4 Rc2 19.Ra3 Rfc8 20.Rd3 R8c5 21.Na3 Ra2 22.Rb1? Nf6–+ 23.Rc3?? Rc3 24.dc3 Ra3 0–1. Bieszk,Stanislaw – Varas,Pablo, RF–2011–0-00077, 2011. (=1.a3 g6 2.Nf3 Nf6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4)

7.Be2 dc4 8.Bc4 Bd3 9.Bd3 Qd3 10.Ne5=.

7.Be2 e6 8.0-0 (8.Nd4 dc4 9.Nf5 gf5 10.Bc4 Nbd7+=) 8...Nc6 (8...dc4 9.Bc4 a5 10.Nd4=) 9.Qb3 (9.c5 Ne7=) 9...a5 (better is 9...dc4 10.Qc4 Qd6=) 10.ba5 (better is 10.b5 a4 11.Qc3=) 10...Na5-/+ 11.Qb4 Qd6 (better is 11...dc4!? 12.Nc3 Bd3-/+) 12.Qd6 (12.c5 Qe7=) 12...cd6 13.cd5 e5 14.Nc3 Ne4 15.Ne4 Be4= 16.d3 Bd5 17.Nd2 Nb3 18.Nb3 Bb3 19.Rab1 Bd5 20.Rfc1 (20.e4 Bc6=) ½–½. Zdziarski,Zbigniew – Diego,Matheus, T5506B IECC, 2001.

6.a3 Bg4

7.Be2 dc4 8.Bc4 Nc6 9.h3 Be6 10.Be6 fe6 11.0-0 Qd5 12.d4 Nh5 13.Nc3 Qf5 14.Qd2 e5 15.de5 (15.d5!? Nd8 16.e4+/–) 15...Ne5 (worse is 15...Be5 16.b5 Rad8 17.Qe1+/–) 16.Ne5 Be5 17.Qd5 e6 18.Qd2 (better is 18.Qb7!? Rab8 19.Qa6+–) 18...Rad8= 19.Qc1 Rd3 20.Ne2 Bb2 21.Qb2 Nf6 22.Ng3 Qg5 23.Rad1 Rd1 24.Rd1 Nd5 25.Qd4 Qf6 26.Qf6 Rf6 27.Ne4+/– Rf5 28.Nc5 Nc3 29.Rd3 b6 30.Ne6 Ne4 31.Nc7 Nf2 32.Rd8 Kg7 33.Rd7 Kh6 34.Ne6 Ne4 35.Nf4 g5 36.Ne2 g4 37.hg4 Rg5 38.Nf4 Rg4 39.Ra7 Rg3 40.Ra6 Re3 41.Rb6 (41.Rb6 Kg5 42.Nh3 Kg4 43.Rb7 Ra3 44.Rg7 (44.Rh7?! Rb3+/–) 44...Kf5 45.Rh7+–) 1–0. Fournier,Frederic (1965) – luder, Active (4/0), 2005.

7.Be2 c6 8.d4 Bf3 9.Bf3 dc4 10.0-0 Re8 11.Nc3 e5 12.de5 Qd1 13.Rfd1 Re5 14.Rd8 Re8 15.Rad1 Nbd7 16.R8d7 Nd7 17.Rd7 Rab8 18.Kf1 Red8 19.Rd8 Rd8 20.Ke2 Rd3 21.Nd1 Rb3 22.Bc1 Bc3 23.Nc3 Rc3 24.Kd2 Rd3 25.Kc2 Rd6 26.Bb2 b5 27.Be5 Re6 28.Bd4 a6 29.Kc3 f5 30.h3 Kf7 31.g4 Ke7 32.gf5 gf5 33.h4 Kd7 34.e4 Rh6 35.ef5 Rh4 36.Bd1 Rf4 37.Bc2 h5 38.f6 Ke6 39.Bg6 h4 40.f7 h3 41.Bg7 h2 42.Be4 Re4 43.f8Q h1Q 44.Qe8 Kf5 45.Qf7 Kg4 46.Qg6 Kf3 0–1. barborski – merryxmas1, kurnik, 2012.

7.h3 Bf3 8.Qf3 dc4 9.Bc4 Nc6 10.Nc3 (10.0-0!?+=) 10...Ne5= 11.Qe2 Nc4 12.Qc4 Qd7 13.0-0 Rad8 14.Rad1 Qd3 15.Qc7 Rd7 16.Qc5 b6 17.Qb5 Ne4 18.Qd3 Rd3 19.Ne4 Bb2 20.a4 Rfd8 21.Rb1 Ba3 22.b5 f5 23.Ng5 Rd2 24.Ne6 R8d6 25.Nd4 Bc5 26.Nb3 Rc2 27.Rfd1 Rd1 28.Rd1 Bd6 29.Nd4 Rc4 30.Ra1 Kf7 31.Nc6 Bc5?? 32.Na7 Ke6 33.Nc6 f4 34.ef4 Rc2 35.a5 Bf2 36.Kh2 ba5 37.Ra5 Rc3 38.Ra4?? Bg3 39.Kg1 Rc1 0–1. Fournier,Frederic – musanban (1725), Active, 2007.

6.Qb3 a5

7.b5 a4 8.Qa3 c6 9.Be2 dc4 10.Bc4 Bd7 11.bc6 Nc6 12.0-0 Ra5 13.Nd4 Qb8 14.f4 b5 15.Nc6 Bc6 16.Be5 Qb7 17.Qb4 Raa8 18.Be2 Bg2 19.Rf2 Bc6 20.Nc3 Qd7 21.Nb5 Ng4 22.Bg7 Rfb8 23.Qd4 Nf2 24.Qd7 Bd7 25.Be5 Nh3 26.Kg2 Bb5 27.Bb8 Be2 28.Rb1 Bg4 29.e4 f5 30.d3 g5 31.fg5 Ng5 32.Rb5 Be2 33.Rf5 0–1. Keller,Daniel – Vavra,Pavel, Praha, 2000.

7.b5 Nbd7 8.d4 dc4 9.Bc4 Nb6 10.Bd3 (10.Nbd2 a4 11.Qa3 Nc4 12.Nc4 Bd7 13.Qb4 Nd5 14.Qc5 e6) 10...Be6 11.Qc2 Nfd5 (11...Nbd5 12.a3 Ng4 13.Nc3 Nge3 14.fe3 Ne3) 12.a3 c5 (12...Rc8 13.0-0 c5 14.bc6 Rc6) 13.bc6 (13.Qc5?? Rc8 14.Qc8 Qc8–+; 13.dc5?! Bb2 14.Qb2 Na4=) 13...Rc8 14.0-0 (14.Qd1 Rc6) 14...Rc6 15.Qe2 Qc7 16.Nbd2 Na4 17.Ne4 Bf5 18.Rab1 Rc8 19.Ba1 h6 20.Qd2 e6 21.h3 Qe7 22.g4 Be4 23.Be4 Nab6 24.Qa5 Nc4 25.Qe1 f5 26.gf5 gf5 27.Bd3 Na3 28.Rb3 b5 29.Kh1 b4 30.Rg1 Nc2 31.Qd2 Na1 32.Ra1 Rc3 33.Rbb1 b3 34.Rg1 b2 35.Rab1 Nb4 36.Ne1 Nd3 37.Nd3 Rc2 38.Qa5 Qb7 39.Kh2 Kh7 40.Rg2 Qb8 41.Nf4 Rc1 42.Rb2 Qb2 43.Ne6 Qb8 44.f4 Rg8?? 45.Qf5= Kh8 46.Ng7 Rg7 47.Qf6 Qc7 48.d5 Qf7 49.Qh6= Rh7 50.Qg5 Rc8?? 51.e4 Rh5+= 52.Qg4 Rc3 53.Rg3 Rc2 54.Rg2 Rc3 55.Rg3 Rc4 56.Qe2 Rb4 57.d6 Rh6 58.Qd2 Rb7 59.f5 Kh7 60.Qd3?? Rb2–+ 61.Kh1 Qa7 62.Qf3 Qd4 63.Qg4 Rb1 64.Kh2 Qd2 65.Rg2 Qd6 66.Rg3 Rb2 67.Kh1 Qf8 68.Qf4 Qb8 69.Qg4 Rb1 70.Kh2 Qb2 71.Rg2 Qe5 72.Rg3 Rb2 73.Kh1 Rb8 74.Kh2 Re8 75.h4 Qh8 76.Qf4 Qf6 77.Kh3 Re7 78.Rg4 Rg7 79.Rg7-/+ Qg7 80.e5? Rb6–+ 81.Qe3 Rb4 (81...Rb4 82.Qg5 Qe5 83.Qg6 Kh8 84.Qh5 Kg7 85.Qg5 Kf7 86.Qg6 Ke7 87.Qh7 Kd6 88.Qg6 Kc5 89.Qg1 Kc6 90.Qg2 Kd7 91.Qd2 Rd4–+) 0–1. Gelashvili,T (2620) – Salem,AR (2425), 10th Open, Dubai UAE, 2008. (=1.Nf3 d5 2.e3 g6 3.c4 Nf6 4.b4 Bg7 5.Bb2 0-0 6.Qb3)

6.Qb3 dc4

7.Bc4 a5 8.b5 a4 9.Qc2 c6 10.0-0 cb5 11.Bb5 Bf5 12.d3 Qa5 13.Bc4? (13.Na3 Rc8 14.Qe2 Nc6=) 13...Rc8 (better is 13...b5!? 14.e4 bc4 15.ef5 Qf5 16.Qc4 Rc8–+) 14.e4= Ne4?? (14...Be6 15.Bc3 Qc7 16.Be6 fe6 17.Rc1=) 15.de4 (15.Bg7 Nd6 16.Qb2+–) 15...Bb2?? (better is 15...Rc4 16.Qc4 Bb2 17.ef5 Ba1 18.Qc8 Kg7 19.Qb7 Bf6=) 16.Qb2+– Rc4 17.ef5 Rb4 18.Qe5 Qe5 19.Ne5 gf5 20.Nd2 f6 21.Nef3 e5 22.Rab1 Rb1? 23.Rb1+– Ra7 24.Nh4 f4 25.Ne4 Kf7 26.Rb7! Rb7 27.Nd6 Ke6 28.Nb7 Kd5 29.Kf1 Kc4 30.Ke2 Kc3+/– 31.Nc5 a3 32.Nd3 Nc6 33.Nf5 e4 34.Nf4 Kb2 35.Kd2 Ka2 36.Ne2 Kb2 37.Nc3 Ne5 38.Nd1 Kb3 39.Nd4 Kc4 40.Nc2 a2 41.Na1 f5 42.Nc3 Ng4 43.Na2 Nf2 44.Nc2 f4 45.Nc1 Ng4 46.h3 Ne5 47.Ne2+– f3? 48.gf3 Nf3 49.Ke3 Ng5 50.h4 Nf3 51.h5 Ng5 52.Kf4 Ne6? 53.Ke4 Ng7 54.h6 Ne8 55.Kf5 Kd3 (55...Kd3 56.Nf4 Kc4+– (56...Kc2?? 57.Ke5+–)). ferminkatcho (1770) – zajecia (1945), kurnik, 2012.

7.Bc4 a5 8.b5 e6 9.Nc3 Nbd7 10.Na4 b6 11.Rc1 Bb7 12.Be2 Bd5 13.Qc2 Rc8 14.0-0 Ba2?? (better 14...c6 15.bc6 Bc6=) 15.Bf6+- Nf6 16.Qa2 Nd5 17.Rfd1 Nb4 18.Qb3 Qe7 19.d4 Rfd8 20.Rc4 h6 21.h3 Qd7 22.Rc3 Nd5 23.Rc2 Nb4 24.Rcc1 Kh7 25.Ne1 f5 26.Rc4 (better 26.Nd3!? Qd5 27.Rc4 Nd3+-) 26...Qb5 27.Rb4?? (better 27.Nd3 Qe8 28.Nb4+-) 27...Qb4= 28.Qb4 ab4 29.Nd3 Ra8 30.Nab2 c5 31.Nc4 b5 32.Nb6 Ra2 33.Bf3 cd4 (better 33...b3!? 34.Nc5 b2-/+) 34.Nb4= Rb2 35.Nc6 Rd6 36.Nc8 Rd7 37.ed4 b4 (37...e5!? 38.Nb6 Rb7 39.de5 Rb6=) 38.Nb6= Rd6 (better 38...Rb7 39.Na4 Rc2=+) 39.Nc4+/- Rc6 40.Bc6 Rc2 41.Bb5 b3 42.Rb1 (better 42.Ne3!? Rc3 43.Rb1+-) 42...Bd4+= 43.Rb3 Rf2 44.Kh1 g5 45.Rb1 h5 Black prepares g4 (45...Kg7 46.Rd1 e5 47.Nd6+=) 46.Bd7 (46.Re1!?+/-) 46...Re2+= 47.Rd1 Ba7? (47...Bc5 48.Nd6+=) 48.Nd6 (48.Be6 Re6 49.Rd7 Kg6 50.Ra7 h4+-) 48...Kg6 (48...Bc5 49.Nb7 Be7 50.Kg1+/-) 49.Ne8 (better 49.Be8!? Kf6 50.Bh5+/-) 49...g4 50.h4 g3 51.Nc7?? (51.Nd6 Kf6 52.Bb5=) 51...Bf2 (51...Re4 52.Be8 Kh6 53.Ne6 Rh4) 52.Ne6+/- Kf6? (52...Re4 53.Ng5 Rh4 54.Nh3+/-) 53.Nf4 (better 53.Ng5!?+-) 53...Re4+/- 54.Nh5?? (better 54.Nh3+/-) 54...Ke7 55.Bf5 Re5?? (better 55...Rh4 56.Bh3 Rh5 57.Rd7 Kf6 58.Rd6 Kf7 59.Rd7 Kg6 60.Rd6 Kg5=) 56.Bg4+- Re1 (56...Re4 57.Bh3 Rh4 58.Rd7 Kf8+-) 57.Re1 Be1 58.Bf3 (better 58.Kg1!? Kd6+-) 58...Ke6 59.Kg1 Kf5 60.Kf1 Bf2 61.Ke2 Bc5 (61...Ke5 62.Bc6+-) 62.Kd3 (better 62.Ng3 Kf4 63.Ne4 Bf8+-) 62…Bf8 (62...Bf8 63.Ng3 Ke5+-). bjoernsen (2405) - Gvein (2415), Rated blitz game, lichess.org, 2022.

7.Bc4 a5 8.Ng5 e6 9.b5=.

7.Bc4 b5 8.Bb5 Ba6 9.Ba6 Na6 10.a4 Rb8 11.b5 Nc5 12.Qc2 Nd3 13.Ke2 Nb2 14.Qb2 Ne4 15.d4 a6 16.Nbd2 f5 17.Rhc1 ab5 18.ab5 c5 19.Qb3 Kh8 20.Ne4 fe4 21.Ne5 cd4 22.Nf7 Rf7 23.Qf7 d3 24.Kd2 Ba1 25.Rc4 Qa5 26.Kd1 Qb5 27.Qe6 Qb3 28.Ke1 Qb1 29.Kd2 Rb2 0–1. marvis (1740) – savol2, kurnik, 2012.

7.Bc4 Nc6 8.0-0 Ne4? (8...a6 9.d4=) 9.d4 (better is 9.Bg7!? Kg7 10.Bd5+/–) 9...Nd6 10.Be2 Bg4 11.Nbd2 e6 12.h3 Bf3 13.Bf3 (worse is 13.gf3 Nd4 14.Bd4 Bd4–+) 13...Ne7 14.a4 c6 15.Rfc1 Nd5 16.b5 Rb8 17.Ba3 Qd7 18.e4 Nc7? (better is 18...Ne7 19.Qc3 cb5 20.Bd6 Qd6+=) 19.e5+– Nf5 20.Bf8 Nd4 21.Qd3?? (better is 21.bc6 Qd8 22.Qe3 Bf8 23.cb7 Nf3 24.Qf3+– (24.gf3?! Rb7 25.Ne4 Nd5+/–)) 21...Nf3 22.Qf3 Kf8 23.Nc4 cb5 24.ab5 Nb5 25.Rab1 a6 26.Rd1 Qc7 27.Rbc1 Qe7 28.Qe4 Nc7 29.f4 Nd5 30.Nd6 b5 31.Rc6 a5 32.Rdc1= Kg8 33.Rc8 Rc8 34.Rc8 Bf8 35.Qd4 Kg7 36.g3 h5 37.Qc5 a4? 38.Rc7?? Qd8 39.Rf7+– Kh6 40.Qb5 Bd6 41.ed6 Qd6 42.Qa4 Qc5 43.Kg2 Ne3 44.Kf3 Nf5 45.Qb3?? Nd4–+ 46.Ke3 Nb3 47.Ke4 Qd4 48.Kf3–+ Nd2 49.Ke2 Ne4 50.Rb7 Nc3 51.Ke1 Qd1 52.Kf2 Qe2 53.Kg1 Qe3 54.Kg2 (54.Kg2 Qd2 55.Kg1 Ne4 56.Rb3 Qd1 57.Kg2 Qb3 58.Kf1 Qd3 59.Ke1 Qe3 60.Kd1 Qd2). carocan (1670) – mam2 (1630), kurnik, 2011.

7.Bc4 Nbd7 8.0-0 Nb6 9.Be2 Be6 10.Qc2 Rc8 11.d4 Nbd5 12.a3 b6 13.Nbd2 Nd7 14.Ng5 c5 15.Ne6 fe6 16.dc5 bc5 17.Bg7 Kg7 18.Qb2 N7f6 19.b5 Nb6 20.Nc4 Qd5 21.Rfd1 Qe4 22.Rac1 Kg8 23.Bf3 Qh4 24.g3 Qh3 25.Bg2 Qf5 26.Qc2 Nc4 27.Qc4 Ng4 28.Qf4 Nf2 29.Qf2 Qf2 0–1. carocan (1855) – paw888 (1770), kurnik, 2012.

7.Bc4 Nbd7 8.d4 Nb6-/+ 9.Bd3 Be6 10.Qc2 Nbd5 (10...a5 11.ba5 Ra5 12.0-0+=) 11.a3+= Bg4 (11...c6 12.0-0+=) 12.Nbd2= c6 (12...a5 13.ba5 Ra5 14.0-0=) 13.0-0 a5 14.Rac1 (better is 14.e4!? Nf4 15.h3 Nd3 16.Qd3 Bf3 17.Nf3+= (worse is 17.gf3 e6–+)) 14...ab4+= 15.ab4 (15.Ra1 Qd6-/+) 15...h6 (15...Nb4 16.Qb3 Nd3 17.Qd3–+) 16.Nc4? (16.Bc4 Qd6=) 16...Re8?? (16...Nb4!? 17.Qd2 Nd3 18.Qd3 Bf3 19.gf3 Nd5–+) 17.Nfe5 (17.Qb3 Be6 18.b5 Nc7=) 17...Be6 (17...Nb4 18.Qb3 Nd3 19.Qd3-/+) 18.Rfd1 (18.Qd2 Nb6=) 18...Qc7 (18...Nb4 19.Qd2 Nd3 20.Qd3-/+) 19.e4 (better is 19.Qd2=) 19...Nf4 (better is 19...Nb4!? 20.Qe2 Nd3 21.Qd3 Red8-/+) 20.Bf1=. Sorenson,Somner – Carlson,Curtis W 1971. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.Qb3 dc4)

7.Bc4 Nbd7 8.Ng5!? e6 9.Nc3+=.

7.Bc4 e6 8.0-0 Nc6 9.a4 Qd6 10.Ba3 Qd8 11.b5 Ne7 12.d4 Nfd5 13.Nbd2 c6 14.Rfc1 Qe8 15.Ne4 Qd7 16.Nc5 Qe8 17.Rab1 a6 (17...cb5 18.Bb5 Qd8 19.Ne5+/–) 18.Ne4 (18.bc6 bc6 19.Qd3 Nc7+–) 18...f5 (18...cb5!? 19.ab5 a5+/–) 19.Nd6+– Qd7 20.Nc8 Rac8 21.ba6 ba6 22.Ba6 Rb8? 23.Qb8 Rb8 24.Rb8 Kf7 25.Rcb1 Qa7 26.Bc4 Qa4 27.Bd5 cd5?? 28.Bc5 Bf8?? 29.R8b7 Qa2 30.g3 h6 31.R1b2 Qa1 32.Kg2 Ke8 33.Ne5 g5 34.R2b4 Qd1 35.Ra7 g4 36.Rbb7 Qf3+– 37.Nf3 gf3 38.Kf3 Kf7 39.Re7 Be7+– 40.Re7 Kf6 41.Kf4 h5 42.h4 e5 43.de5+– Kg6 44.Re6 Kf7 45.Rf6 Kg7 46.Kf5 Kh7 47.Rg6 d4 48.e6 d3 49.e7 d2 50.e8Q (50.e8Q d1Q 51.Qg8) 1–0. carocan (1710) – deli1, kurnik, 2011.

7.Bc4 e6 8.0-0 Nd5 9.d4 Nb6 10.Be2 Bd7 11.a4 Bc6 12.b5 Bf3 13.Bf3 (13.gf3?! c5 14.dc5 Qg5 15.Kh1 Bb2 16.Qb2 Qc5=) 13...Nd5 14.Nc3 c6 15.Ba3 Re8 16.Rfc1 Nc3 17.Qc3 Bf8? (better is 17...e5!? 18.Qb3 Qc7+=) 18.bc6 Nc6 19.Bf8 Kf8 20.Bc6 bc6 21.Qc6 Kg7 22.Qc7 Qd5 23.Rc5 Qe4 24.Qe5 Qe5 25.Re5 Reb8 26.Rc5 Rb2 27.Rc7 Rab8 28.g3 R8b7 29.Rb7 Rb7 30.Kg2 a5 31.Kf3 Rb4 32.h4 f6 33.Ke4 Kf7 34.f4 h5 35.Kf3 Ke7 36.g4 Kd6 37.gh5 gh5 38.Ke4 f5 39.Kf3 Kd5 40.Rg1 Ra4 41.Rg5 Ra1 42.Rh5 a4 43.Rh8 a3 44.Ra8 a2 45.Kg2 Ke4 46.h5 Ke3 47.h6 Kf4?? 48.h7 Rd1 49.Ra2 Rd4 50.h8Q e5 51.Rf2 Ke4+– 52.Re2 Kd3 53.Qe5 Rg4 54.Kf3 Re4 55.Re4 fe4+– 56.Qe4 (56.Qe4 Kd2 57.Qc4 Kd1 58.Qa2 Kc1 59.Ke3 Kd1 60.Qd2) 1–0. carocan (1840) – savol2, kurnik, 2011.

7.Bc4 e6 8.0-0 Nbd7 9.d4 b6 10.a4 Bb7 11.Nbd2 Re8 12.b5 c6 13.bc6 Bc6 14.Rfc1 Rc8 15.Ba3 Nd5? (better is 15...Ne4 16.Ne4 Be4+=) 16.Ba6+– Rc7 17.Bd6 h5 18.Rc2 (18.a5 ba5 19.Ra5 Nb8 20.Bc7 Qc7+–) 18...Nb8? (better is 18...Nc5 19.Bc5 bc5 20.Rc5 Bf8+/–) 19.Bc7+– Qc7 20.Bb5 a6 21.Bc6 Nc6 22.Rac1 Nde7 23.Nc4 b5 24.ab5 ab5 25.Qb5 Rb8 26.Qa4 Qd7 27.Qa2 Nb4 28.Qb3 Ned5 29.Rb2 Nc6 30.Qa3 Rb2 31.Qb2 Ncb4 32.Nce5 Be5 33.Ne5 Qd6 34.g3 f6 35.Ng6 Nd3 36.Qc2 Nc1 37.Qc1 Kf7 38.Nh4 Qb6 39.Nf3 Qb3 40.Kg2 Nb4? 41.Qc7 Kg6 42.Nh4 Kh6 43.Qf7 (43.Qf7 Qd5 44.Kg1+–) 1–0. carocan (1725) – usznik (1615), kurnik, 2011.

7.Bc4 Bf5 8.d4 Nbd7 9.Nbd2 Nb6 10.Be2 c6 11.0-0 Nbd5 12.a4 Qb6 13.b5 Rfd8 14.Nc4 Qc7 15.Rfc1 Be4 16.Nce5 Nd7 17.bc6 Ne5 18.Ne5 Be5 19.de5 bc6 20.f3 Rab8 21.Qa3 Bf5 22.Bd4 Be6 23.Rc5 Nb4 24.Rac1 Rdc8 25.Bb5 1–0. carocan (1715) – aqualiter (1695), kurnik, 2012.

7.Bc4 Bg4 8.Ne5 Bf5 9.0-0 e6 10.b5 Nd5 11.d3 f6 12.Nf3 Bg4 13.Nbd2 Re8 14.h3 Bf3 15.Nf3 Kf7 16.Nd4 f5 17.e4 Bd4 18.ed5 Bb2 19.de6 Kg7 20.Qb2 Qf6 21.d4 a6 22.a4 ab5 23.ab5 Ra1 24.Qa1 c6 25.Rd1 cb5 26.Bb3 Nc6 27.d5 Ne5 28.d6 Nc4 29.Bc4 bc4 30.Qf6 Kf6 31.e7 1–0. carocan (1675) – amadeus1 (1635), kurnik, 2012.

6.Qb3 c6

7.Nc3 e6 8.Be2 Nbd7 9.d3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qe7 13.0-0 b6 14.h3 Bb7 15.Rc1 Ra8 16.Bb2 Bf8 17.b5 c5 18.Qc2 e5 19.cd5 Nd5 20.Ne4 Nb4 21.Qb3 Bd5 22.Qd1 f5 23.Ned2 Ra2 24.Bc3 Bf7 25.e4 f4 26.Ra1 Ra1 27.Qa1 Bg7 28.Qa7 Qd6 The backward pawn on d3 becomes a target 29.Ng5 Nd3?? (better 29...Be8+=) 30.Nf7+- Kf7 31.Nc4 (31.Nc4 Qe7 32.Bd3+-) 1-0. bjoernsen (2420) - KonanderBarbar (2400), Rated blitz game, lichess.org, 2021.

7.d4 a5 8.b5 a4 9.Qa3+=.

7.d4 Nbd7 8.Nbd2= Nb6 (8...a5 9.b5=) 9.Ne5 (9.c5 Nbd7=) 9...Ng4 (9...a5 10.c5 Nbd7 11.Nd7 Nd7 12.Bd3+=) 10.Nef3 (10.Ng4 Bg4 11.c5=) 10...Re8 (10...dc4 11.Nc4 Be6 12.h3-/+) 11.h3 (11.c5 Nd7+=) 11...Nf6 (11...dc4 12.Nc4 Nf6 13.Nb6 ab6 14.Bc4=) 12.Bd3 (12.c5 Nbd7+=) 12...Be6 (better is 12...dc4!? 13.Nc4 Be6+=) 13.c5+= Nc8 (13...Nc4 14.Nc4 dc4 15.Bc4 Bc4 16.Qc4+=) 14.a4 a6 (14...Ne4 15.Qc2 Nd2 16.Qd2+/–) 15.0-0 Kh8 (15...Ne4 16.Rad1+/– (16.Ne4? de4 17.Qd1 Bd5–+)) 16.Ng5+– Qd7 17.Ndf3 Ng8 (better is 17...Ne4+–) 18.Ne5 Be5 19.de5 (19.Ne6?! Bf6 20.Nf4 Nh6+/–) 19...h6 (19...Nh6 20.Rfd1+–) 20.Ne6 Qe6 21.f4 f5 22.e4! h5 (22...de4 23.Qe6 Pinning (23.Qe6 Deflection); 22...fe4 23.Be4) 23.ef5 gf5 24.Qd1 Qg6 25.Be2 Rf8 26.Bh5 Qg7 27.Ra3 e6 28.Kh2 Nce7 29.Rg3 Qh7 30.Rg5 Nh6 31.Rf3 (better is 31.Be2!? Rf7+–) 31...Rg8 32.Rfg3 Rad8 (32...Nf7 33.Rg8 Rg8 34.Rg8 Kg8 35.g3+–) 33.Bd4 (33.Be2 Ng4 34.Kg1 Rg5 35.fg5 Nf2 36.Kf2 Qh4+/–) 33...Ra8 (33...Nf7 34.Rg8 Rg8 35.Rg8 Kg8 36.Be2+–) 34.Bf2 (34.Be2!? Rg6+–) 34...Rad8 35.Qb3 Rg5 36.Rg5 (36.fg5?! f4 37.Rf3 Nhf5+–) 36...Nf7 37.Bf7 Qf7 38.Qg3 Qh7 39.Qf3 Ng8?? (39...Qf7+–) 40.Rh5 Nh6 (40...Rf8 41.Rh7 Kh7 42.Qh5 Kg7 43.g4+–) 41.Bh4 Rd7 (41...Rf8 42.Bg5 Ng8 43.Kg3 Qh5 44.Qh5 Kg7 45.Kf2+–) 42.Bg5 (42.Bg5 Ng8 43.Rh7 Rh7 44.g4+–) 1–0. Steadman,Michael V R (2195) – Shakya,Rabindra (1945), 8th Asian Seniors, 2017.

6.Qb3 Be6

7.Nc3 a5 8.a3 (8.ba5 Nc6 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 Bd5 12.Qc3 f6=) 8...dc4 9.Bc4 a4 10.Qa2 Bc4 11.Qc4 Nbd7 12.d4 Nb6 13.Qa2 c6 14.0-0 Re8 15.Rac1 e6 16.Rfd1 Nfd5 17.e4 Nc3 18.Bc3 Qd7 19.h3 Nc8 20.d5 (20.Qc2 Nd6=) 20...Bc3= 21.Rc3 ed5 22.ed5 Nb6 23.Rc5 Nd5 24.b5 Rac8 (24...Qe7 25.Qc2 Ra5 26.Qc4=+) 25.Qc4 Red8 26.bc6 bc6 27.Qa4 Qe7 (27...Qd6!? 28.Qd4 Qe7+=) 28.Rc6+/- Nc3 29.Rd8 Qd8 30.Rc8 Qc8 (30...Na4?? 31.Rd8 Kg7 32.Ne5+-) 31.Qb4 Qc7 32.g3 Nd5 33.Qd4 Ne7 34.a4 Nf5 35.Qe5 Qc6 36.Ng5?? (better 36.Qf4+-) 36...Qc1-/+ 37.Kh2 Qg5 0-1. bjoernsen (2430) - NoTiltMaybe (2510), Rated blitz game, lichess.org, 2021.

7.d3 dc4 8.dc4 b5 (8...a5 9.ba5 Nc6 10.Qb7 Na5 11.Qb4=) 9.Na3 Qd7 (9...a6 10.Rd1 Nbd7 11.Nd4 bc4 12.Bc4 Bc4 13.Nc4+=) 10.Rd1 (10.Ne5 Qe8+/–) 10...bc4 11.Bc4 (worse is 11.Rd7 cb3 12.Rc7 Nd5 13.Bg7 Nc7 14.Bf8 ba2-/+ (worse is 14...Kf8 15.ab3 Bb3 16.Be2+=); 11.Nc4?! Bd5+=) 11...Bc4 12.Nc4 (12.Qc4 Qa4 13.e4 a5=) 12...Qg4 (12...Qe6 13.0-0+/–) 13.0-0 (better is 13.Nce5 Qf5 14.Qc4+/–) 13...h5? (better is 13...Nbd7+=) 14.Nce5+– Qf5 (14...Qc8 15.Ng6 Re8 16.Bf6 Bf6 17.Nf4+–) 15.Nh4 Qe6 16.Qe6 fe6 17.Nhg6 Re8 18.Nf4 Ng4 (18...Na6 19.Nc6 Nb8 20.Nd8+–) 19.Nc4 (19.Ng4 Bb2 20.Nh5 c6+–) 19...Bb2 20.Nb2 Kf7 (20...Na6 21.a3+–) 21.Rc1 Rc8 22.h3 Nf6 23.Nbd3 Nbd7 24.Nc5 Ne5 25.Nce6 c6 26.Rc5 Ned7 27.Rg5 Rg8 28.Rc1 Ne4 29.Rh5 Nef6 30.Ra5 Rgc8 31.f3 Rab8 32.a3 Rb7 33.e4 Nh5 34.Rh5 Nf6 35.Rhc5 Rb6 36.Rc6! Rbc6 37.Rc6 Rc6 1–0. Tirziu,Mircea (2280) – Andrei,Radu, Mos Craciun op, 2000.

7.Bf6 Bf6 8.d4 a5=.

6.Qb3 Bg4

7.Ne5 Be6+=.

6.b5 dc4

7.Bc4 a6 8.ba6 Na6 9.d4=.

7.Bc4 a6 8.ba6 b6 9.d4=.

7.Bc4 c6 8.a4 cb5 9.ab5 Qc7 10.Qb3 Nbd7 11.0-0 Nc5 (11...Nb6 12.Na3=) 12.Qa2 b6 (12...Bf5!?+=) 13.d4 Nce4 14.Nbd2 (14.Rc1 Qb7+/–) 14...Bb7 (14...Nd6 15.Bd3+/–) 15.d5 (15.Ne4 Ne4 16.Rfc1 Qd7+/–) 15...Qd6 (15...Nd6!? 16.Be5 Rfc8=) 16.Be5+/– Qc5 17.Bd4 Qd6 18.Be5 Qc5 19.Qb2 (better is 19.Rfc1!?+/–) 19...Nd2 20.Nd2 Nd5?? (better is 20...Bd5 21.Rfc1 Bc4 22.Rc4 Qd5=) 21.Bg7+– Rfc8 (21...Rfd8 22.Rfd1+–) 22.Rac1 (better is 22.Ra4+–) 22...f6 (22...Qb4+–) 23.Ne4 (23.e4 Qd6 24.Bh6 Kh8 25.ed5 Bd5+–) 23...Qc7?? (better is 23...Qc4 24.Rc4 Rc4+–) 24.Bd5 Bd5 25.Nf6! Kf7 (25...ef6 26.Qd4 Double attack (26.Qd4 Decoy; 26.Rc7 Zwischenzug)) 26.Rc7 Kg7 27.Nd5 (27.Ng4 Kg8 28.Nh6 Kf8 29.Qh8 Bg8 30.Qg8) 27...Kf7 (27...Kh6 28.Re7 Rc7 29.Qg7 Kg5 30.Qf6 Kh5 31.Nf4 Kh6 32.Qh4) 28.Re7 (28.Re7 Kg8 29.Qg7) 1–0. GuestFBXJ – GuestLWKK, freechess.org, 2018.

7.Bc4 Nbd7 8.0-0 Nb6 9.Be2 Bg4 10.a4 Qd6 11.h3 Bf3 12.Bf3 Rab8 13.Nc3 Nc4 14.Bc1 Rfd8 15.d4 Nd7 16.Ne4 Qb4 17.Qc2 Nd6 18.Ba3 Qa5 19.Nd6 cd6 20.Qb3 Qb6 21.Rac1 a6 22.Rc2 ab5 23.Qb5 Qb5 24.ab5 Nb6 25.Rfc1 d5 26.Be7 Rd7 27.Bc5 Nc4 28.Bd5 Ne3 29.Bf7 Rf7 30.fe3 h5 31.b6 Kh7 32.Rf1 Rf1 33.Kf1 Rf8 34.Rf2 Re8 35.Ke2 Bh6 36.Rf7 Kg8 37.Rf3 g5 38.g4 hg4 39.hg4 Bg7 40.Kd3 Re6 41.e4 Kh7 42.d5 Re5 43.Rf5 Re8 44.Rg5 Kh6 45.Rh5 Kg6 0–1. Abdullaevich (1765) – andihari (1925), lichess.org, 2020.

7.Bc4 e6 8.0-0 c6 (8...a6 9.d4=) 9.a4 (9.d4 a6+=) 9...cb5 (9...a6 10.d4+=) 10.ab5 Nbd7 11.d4 Nb6 (11...Re8 12.Nc3+=) 12.Bd3 Nfd5 13.Qb3 (13.Qd2 a5+=) 13...Ne7 (13...a5 14.Nc3+=) 14.Nbd2 Nf5 (14...a5 15.ba6! ba6 16.Rfb1+/–) 15.Ba3 Re8 16.Bc5 Bd7 (16...Nd6 17.e4+/–) 17.Rfc1 Qb8 (17...e5 18.de5 Be5 19.Ne5 Re5 20.Qb2+–) 18.e4 (18.Bb6 ab6 19.Ra8 Qa8+–) 18...Nh6 (18...Ne7 19.Rc2+/–) 19.Rc2 (19.Bb6 ab6 20.Ra8 Qa8+–) 19...Nc8 (19...e5 20.Rca2 Nc8 21.b6+/–) 20.e5 b6 (better is 20...f6+–) 21.Ba3 Ne7 (21...f5 22.ef6! Bf6 23.Be4+–) 22.Bd6 (better is 22.Be7 Re7 23.Be4+–) 22...Qb7?? (22...Qd8+–) 23.Rc7 Qd5 (23...Qc7 24.Bc7 Nd5 25.Bd6+–) 24.Bc4 Qf3 (24...Bb5 25.Bd5 Nd5 26.Qb5 Nc7 27.Bc7+–) 25.Qf3 (25.Rd7?! Qb3 26.Bb3 Nhf5+/–) 25...Nd5 (25...Rad8 26.Raa7 Nc8 27.Rd7 Na7 28.Ra7+–) 26.Rd7 Nf5 27.Bd5 ed5 28.Qd5 (28.Qd5 Nd6 29.ed6+–) 1–0. DEFFM – GuestSRZG, freechess.org, 2018.

7.Bc4 e6 8.0-0 c6 9.a4 cb5 10.ab5 Nbd7 11.d4 Nb6 12.Bd3 Nfd5 13.Qd2 a6 14.e4 (14.Rc1 ab5 15.Ra8 Na8 16.Bb5 Bd7+/–) 14...Ne7+= 15.Nc3 ab5 (15...f5 16.e5+=) 16.Nb5 Nc6 (16...f5!?+/–) 17.Ra8+– Na8 18.Ba3 Re8 (18...Ne7 19.Nd6+–) 19.Nd6 Nd4 (better is 19...Bd4 20.Nd4 Nd4 21.Ne8 Qe8+–) 20.Nd4 Bd4 21.Bb5 (21.Ne8 Qe8 22.Bb5 Bd7 23.Qd4 Bb5+–) 21...Bf2 (21...Rf8 22.Qd4 Nc7+–) 22.Qf2 Re7 (22...Rf8 23.Nf7 h6 24.Nh6 Kh8 25.Qb2 Qf6 26.Rf6 e5 27.Rf8 Kh7 28.Qe5 g5 29.Qh8 Kg6 30.Be8) 23.Nf7 (23.Nf7 Qa5 24.Nh6 Kg7 25.Qf8) 1–0. DEFFM – GuestVDXB, freechess.org, 2018.

7.Bc4 e6 8.0-0 Nd5 (8...a6 9.d4=) 9.Bg7+= Kg7 10.Qb3 c6 (10...a6 11.Rc1+=) 11.Nc3+/– cb5 (11...Nc3 12.Qc3 Qf6 13.d4+/–) 12.Bd5 (worse is 12.Nd5 bc4 13.Qc3 f6-/+; 12.Bb5?! a6 13.Be2 Nc3 14.Qc3 Qf6+/–; 12.Qb5?! Nc3 13.dc3 Qf6+=) 12...ed5 13.Nd5 (13.Qb5 Nc6+/–) 13...Be6 (13...a6 14.Nd4+/–) 14.Qc3 Kg8? (better is 14...Kh6 15.Nc7 Bc4 16.Na8 Bf1 17.Rf1 Na6+–) 15.Nf6+– Kg7 (15...Kh8 16.Ng5 Bc4 17.Nfh7 Kg8+–) 16.Ne8 Kh6 17.Qg7 Kh5 18.Qh7 Kg4 19.Qh3 1–0. DEFFM – GuestKFDG, freechess.org, 2018.

7.Bc4 Be6 8.Be6 fe6 9.0-0 a6 10.Na3 ab5 11.Nb5 c6 12.Nc3 Na6 13.Ne2 Nb4 14.a4 Nd3 15.Bc3 Nd5 16.Bg7 Kg7 17.Ned4 Nb2 18.Qb3 Na4 19.Ne6 1–0. Abdullaevich (1785) – yura01061977 (1725), lichess.org, 2020.

7.Bc4 Be6 8.Be6+= fe6 9.0-0 Ng4?? 10.Bg7+– Kg7 (10...Ne3 11.fe3 (worse is 11.de3 Qd1 12.Rd1 Kg7+–) 11...Kg7 12.Ng5 Rf1 13.Qf1+–) 11.Ng5 Qd6 (11...Qd7 12.Qg4 Rf6 13.Nc3+–) 12.Qg4 Rf6 (12...Rf5 13.Qd4 Qd4 14.Ne6 (14.ed4?! Rg5 15.Nc3 a6+=) 14...Kf7 15.Nd4+– (15.ed4?! Ke6 16.Nc3 Kf7+/–)) 13.Ne4 Qe5 (13...Qd7 14.Nf6 ef6 15.Rc1+–) 14.Nbc3 (14.Nf6!? ef6 15.Nc3 Nd7+–) 14...Rf8 15.Qh4 (15.d4 Qf5 16.Qf5 ef5+–) 15...Nd7 16.Qe7 Rf7 17.Qh4 Nf6 (17...Rff8 18.d4 Qf5 19.Rac1+–) 18.Ng5 Rd7 (18...Re7 19.d4 Qf5 20.Nh7+–) 19.d4 Qd6 (19...Qf5 20.e4 Qg4 21.Qg4 Ng4 22.Ne6 Kf7 23.d5+–) 20.Nce4 Ne4 (20...Qb6 21.a4 a5 22.Nf6 Kf6 23.Rac1+–) 21.Qh7 Kf6 (21...Kf8 22.Qh8 Ke7 23.Qg7 Kd8 24.Qg8 Ke7 25.Qf7 Kd8 26.Ne6 Kc8 27.Qg8 Rd8 28.Nd8 Nf6 29.Nb7 Ng8 30.Nd6 cd6+–) 22.Ne4 Kf5 1–0. DEFFM – akikat, freechess.org, 2018.

7.Bc4 Bg4 8.h3 Bf3 (8...Bf5 9.d4=) 9.Qf3+= c6 10.a4 (10.0-0 Qd7 11.a4 a6+=) 10...cb5 (10...Nfd7 11.d4+=) 11.ab5 Nbd7 (11...Qc7 12.Na3=) 12.0-0 (12.Qb7 Rc8 13.Be2 Rc7+/–) 12...Nb6+= 13.Be2 Nfd5 14.d4 Nb4? (14...Qd6 15.Ba3 Qd7 16.Rd1+=) 15.Nc3 (15.Qb7 Qd6+–) 15...e5 (15...N4d5 16.Ne4+/–) 16.de5 (better is 16.Ba3!? ed4 17.Bb4 dc3 18.Bf8 Kf8 19.Qb7+–) 16...Be5+/– 17.Rfd1 (17.Qe4 Bc3 18.Bc3 N4d5+/–) 17...Qe7 18.Rd2 Rfd8 (18...Rfc8!? 19.e4 Qg5=) 19.Rd8+/– Qd8 20.Qb7?? (better is 20.Qe4 Qd6 21.Rd1+/– (worse is 21.Qb7 Qd2 22.Na4 Bb2 23.Nb6 Rf8 24.Ra7 Qe2+=)) 20...Qd2+= 21.Bc4 (better is 21.Na4!? Bb2 22.Nb6+=) 21...Rf8–+ (21...Qb2?? 22.Qf7 Kh8 23.Ra7 Qa1 24.Ra1 Ra1 25.Bf1+–; 21...Bc3?? 22.Qf7 Kh8 23.Qf6 Bf6 24.Bf6) 22.Rd1?? (better is 22.Bf1 Qb2 23.Ra7–+) 22...Qb2 23.f4 (23.Be2 Na2 24.Rb1 Qc2–+) 23...Nc4 (23...Nc4 24.Qe4 Qc3 25.fe5 Ne3–+) 0–1. GuestMWTL – GuestYVLD, freechess.org, 2017.

6.b5 c6

7.a4 Nbd7 8.d4 Ne4 9.Nbd2 Ndf6 10.Be2 Nd2 11.Nd2 (worse is 11.Kd2 Qa5 12.Kc1 cb5 13.ab5 Qc7+=) 11...Re8 (11...a6 12.bc6 bc6 13.0-0=) 12.0-0+= Nd7 13.Qc2 e5 14.cd5 cb5 (14...cd5 15.Rfe1+=) 15.Bb5 ed4 16.ed4 (16.Bd4!? Bd4 17.ed4+/–) 16...Nb6? (better is 16...a6 17.Bc4 Nb6=) 17.Be8+– (17.Be8 Qe8 18.Rfe1+–) 1–0. GuestPKCH – GuestFPCK, freechess.org, 2017.

7.a4 Nbd7 8.cd5 cd5 9.Be2 Nc5=.

7.a4 Nbd7 8.Be2 Nb6 9.cd5 Nbd5 10.0-0 Bd7 11.Qb3 Rb8 (11...Rc8 12.Be5=) 12.Nc3 (12.Be5 Rc8+=) 12...Nc3 13.Bc3 Be6 14.Qb2 Bd7 (14...c5 15.d3=) 15.Bc4 (15.Be5 Rc8+/–) 15...a6 16.ba6 ba6 17.Qa2 a5 18.Be5 Ra8 (18...Rc8 19.Rfc1+=) 19.Ng5 h6?? (better is 19...e6+/–) 20.Nf7+– (20.Bf7?! Kh8 21.Nf3 Ng4 22.Bg7 Kg7+–) 20...Rf7 21.Bf7 Kh7 22.Qc4 e6 (22...Qf8 23.Rac1+–) 23.Qc2 (worse is 23.Be6 Be6 24.Qe6 Qe8 25.Qe8 Re8 26.Bf6 Bf6+–) 23...Kh8 24.Bg6 1–0. DEFFM – GuestXKQC, freechess.org, 2017.

7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.b5).

6.b5 Bg4

7.Be2 dc4 8.Bc4 a6 9.ba6 Na6 10.d4=.

7.Be2 dc4 8.Bc4 Nbd7 9.d4 Nb6 10.Bd3 Nfd5 11.0-0 Nb4 12.Be2 (12.Be4 N4d5+=) 12...a6 (12...c5 13.bc6 Nc6 14.Nc3=) 13.a3 N4d5 14.a4 (14.ba6 ba6 15.Qc2 Qd6+=) 14...Bf3 (14...ab5 15.ab5 Ra1 16.Ba1=) 15.Bf3 (worse is 15.gf3 ab5 16.Bb5 c6+=) 15...Nc4 (15...ab5 16.ab5 Ra1 17.Ba1+=) 16.Qb3 Nb2? (better is 16...ab5!? 17.ab5 Ra1 18.Ba1 Ncb6+=) 17.Bd5+– (worse is 17.Qd5 Qd5 18.Bd5 ab5 19.Bb7 Ra7+=; 17.Qb2?! Qd6+=) 17...ab5 18.Bb7 (18.Qb5?! c6 19.Bf7 Rf7 20.Qb2 c5 21.Qb7 e5+=) 18...Ra4 19.Qb2 Ra1 (19...c5 20.Ra4 ba4 21.Qb5 cd4 22.Qa4+–) 20.Qa1 c5 21.Qa6 cd4 22.Qb5 de3 23.fe3 Qc7 24.Qc6 Qe5 25.Qb6 Rb8 26.Rd1 Bh6 27.Rd3 Qh5 (27...Kg7 28.Na3+–) 28.Nc3 Qf5 29.Ne4 Qg4 (29...Qe5 30.Rd7+–) 30.Rd8 Rd8 31.Qd8 Kg7 32.Qd3 (32.Qe7?? Be3 33.Kf1 Qd1) 32...Qe6 33.Qc3 f6 (33...Kg8 34.Kf2+–) 34.h3 Qb6 35.Nc5 Bg5 (35...Qd6 36.Kf2+–) 36.Kf2 Kh6 37.g3 Qb1? (37...f5+–) 38.h4 Qf5 39.Bf3 Bh4 40.gh4 1–0. guest1133 – MasterChib, chessclub.com, 2018.

7.Be2 Nbd7 8.Nc3 Nc5 9.cd5 Nd5 10.Nd4 Be2 11.Qe2 Nc3 12.Bc3 Ne4 13.f3 Nc3 14.dc3 Bd4 15.cd4 Re8 16.0-0 e5 17.de5 Re5 18.e4 Qd4 19.Kh1 Rae8 20.a4 c6 21.bc6 bc6 22.Qa6 c5 23.Qa7 c4 24.Qd4 1–0. axtur777 – Freds1788, lichess.org, 2019.

7.Be2 Nbd7 8.cd5= Nd5 9.Bg7 Kg7 10.Nc3 Nb4?? (better is 10...N7f6=) 11.a3+– Bf3 12.ab4?? (better is 12.gf3 Ne5 13.ab4 Nd3 14.Bd3 Qd3 15.Qb1+–) 12...Be2 (12...Bg2!? 13.Rg1 Bh3+=) 13.Qe2= Ne5 (13...e5 14.Qf3 Qb8 15.0-0=) 14.d4+= Nd7 15.0-0 e5 16.Rfd1 Qg5 17.Ne4 Qf5 18.f3 ed4 19.Rd4 Nb6 20.Rad1 Na4 21.Rd5 Qe6 22.Qa2 Nb6 23.Qb2 f6 24.R5d3 Nc4 (24...Qf7 25.Nc5 Qe8 26.Qb3+/–) 25.Qc3 (25.Qa2 Rae8 26.Rc3 Ne3 27.Qe6 Re6 28.Rd7 Rf7 29.Rf7 Kf7 30.Re3 Rb6+–) 25...Kh6 (25...Ne5 26.Qc7 Rf7 27.Rd6+/–) 26.Rd4 (26.Nc5 Qg8+–) 26...Nb6 27.Nc5 Qf5 (27...Qc8 28.Qb3+–) 28.Rh4 (28.Nb7 Qe5+–) 28...Kg7 29.e4 Qg5?? (29...Qc8 30.Rf4+/–) 30.Rg4 (better is 30.Ne6 Kg8 31.Qc7 Nd7 32.Qd7 Qe3 33.Kf1 Rf7 34.Qd8 Rf8 35.Qe7 Qe1 36.Ke1 Rf7 37.Rd8 Rd8 38.Qd8 Rf8 39.Qf8) 30...Qe5+/– 31.Qb3 (31.Qe5 fe5 32.Ne6 Kf6 33.Nf8 Rf8+/–) 31...f5 (31...Rfe8 32.Nb7 Qb5 33.Nc5+=) 32.f4 fe4?? (better is 32...Qe7 33.Ne6 Kh8+=) 33.Ne6 (better is 33.fe5 Kh8 34.Nb7+–) 33...Qe6 34.Qe6 Rae8 35.Qb3 (35.Qa2 h5 36.Rh4 e3+–) 35...e3 (35...Rf7+–) 36.Kf1 (better is 36.Re1 h5 37.Rh4+–) 36...e2+/– 37.Ke1 (37.Kg1 h5 38.Rg6 Kg6 39.Qg3 Kf7 40.Re1+–) 37...ed1Q 38.Kd1 Rd8 (38...Nd5 39.Kc1 (worse is 39.Qd5 Rd8 40.Qd8 Rd8 41.Ke2 Rd4-/+) 39...Re1 40.Kd2=) 39.Kc1 Rde8 (39...h5 40.Rh4+=) 40.Qb2 (40.Qc3 Kg8+/–) 40...Kg8 (better is 40...Rf6 41.Qc3 Nd5+/–) 41.Qb3 Rf7?? (better is 41...Kg7=) 42.f5+– Re1 43.Kd2 Re8 44.fg6 Rd8? (better is 44...hg6 45.Rg6 Kf8+–) 45.Kc2 hg6 46.Rg6 Kf8 47.Qg3 Rdd7 (47...Rd6 48.Rg8 Ke7 49.Qe5 Re6 50.Qc7 Nd7 51.Qb7 Rb6 52.Qe4 Re6 53.Qh4 Kd6 54.Qd4 Ke7+–) 48.Rg8 Ke7 49.Qg5 (49.Qe5) 49...Kd6 (49...Rf6 50.Qg7 Ke6 51.Re8 Kf5 52.g4 Kf4 53.Qf6 Kg4 54.Rg8 Rg7 55.Rg7 Kh5 56.Qg5) 50.Qc5 (50.Qc5 Ke6 51.Qe3 Kd6 52.Rg6 Rf6 53.Rf6 Kd5 54.Qe6 Kd4 55.Rf4; 50.Rg6 Rf6 51.Qf6 Kd5 52.Qe6 Kd4 53.Rg4) 1–0. GuestHZLJ – GuestQXYJ, freechess.org, 2017.

6.Nc3 a5

7.a3 dc4 8.Bc4 Nbd7 9.0-0 Nb6 10.Ba2 (10.Be2 Re8=) 10...ab4 (10...Bf5 11.d4+=) 11.ab4 Qd6 (11...Bg4 12.d4+=) 12.b5 Be6 (12...Bg4 13.h3 Bf5 14.d4=) 13.Be6 Qe6 (worse is 13...fe6 14.Qb3 Nbd5 15.Ba3+=) 14.Nd4 (14.Qc2 Rfd8+=) 14...Qd6 (14...Ra1 15.Ba1 Qd7 16.Nb3+=) 15.Qb3 (15.Qe2 e5 16.Nf3 e4+=) 15...Ng4 16.Nf3 Qd3 17.h3 (17.Ba3 Nc4 18.Be7 Ra1 19.Ra1 Re8-/+) 17...Ne5 18.Ne1 Qc4 (18...Qd2? 19.Rd1 Nec4 20.Rd2 Nd2 21.Qb4+–) 19.Qc2 Ra1 20.Ba1 Ra8 21.d3 (21.Bb2 Qe6+=) 21...Qb4 22.Bb2 Na4 (22...e6 23.f4 Ned7 24.d4-/+) 23.Na4= Ra4 24.f4 Nd7 25.Qc7 (25.Bg7 Kg7 26.Qc7 Qb5=) 25...Bb2 (25...Qb2!? 26.Qd7 Qe2 27.Qb7 Qe3 28.Kh1 Bf6+=) 26.Qd7+= Bc1?? (better is 26...Qc5 27.d4 Qa3=) 27.Qc8+– (27.Qc8 Kg7 28.Qc1 Qb5 29.Qc3 Kg8 30.Nc2+–) 1–0. Zaloznyy,Mike (2090) – Pan,Christopher (2045), 53. American Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nc3 d5 6.e3 a5)

7.b5 c5 8.bc6 bc6 9.Be2 Ba6 10.d4 Nbd7 11.0-0 Nb6 12.Ne5 Qc7 13.Na4 Nfd7 14.Nd7 Nd7 15.Rc1 Qb7 16.Ba3 Rfe8 17.Rb1 Qc7 18.Qc2 Bf8 (better is 18...e5!? 19.Nc5 Nc5 20.Bc5 ed4 21.Bd4 Bd4 22.ed4 c5 23.dc5 Qc5+=) 19.cd5 Be2 20.Qe2 cd5 21.Rfc1 Qa7 22.Nc5 Reb8 23.Nd7 ½–½. Szirmai,Eduard (2265) – Krisztian,Gabor, HUN–chT Hungary, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Nc3)

7.b5 c6 8.a4 Bf5 9.d4 Nbd7 10.cd5 cd5 11.Qb3 Nb6 12.Be2 Rc8 13.Ne5 Ne4 14.f3 Nd6 15.Rc1 (15.Nd5 Nd5 16.Qd5 Be6 17.Nf7 Bf7–+ (17...Bd5?! 18.Nd8 Rfd8 19.Bd3-/+)) 15...Be5 16.de5 Ndc4 17.Bc4 Nc4 18.Ne2 Nb2 19.Qb2 Qb6 20.Kf2 Rc4 21.Rc4 dc4 22.Qd4 Qd4 23.Nd4 Bd3 24.Rc1 Rc8 25.Rc3 Rc5 26.e6 f5 27.Ke1 Rd5 28.g3 f4 29.gf4 (29.Kf2!?=) 29...Rh5+= 30.Kf2 Rh2 31.Kg3 Ra2 32.Nc6 bc6 33.bc6 Bf5 (33...Ra4?? 34.c7 Ra2 35.c8Q Kg7 36.Rc4+–) 34.Rc4 Be6 35.c7 Kf7 36.c8Q Bc8 37.Rc8 Ra4 38.Rh8 h5 39.Kh4 (39.e4 Ra1–+) 39...Ra1 40.f5 gf5 (40...a4 41.fg6 Kg6 42.Rg8 Kh6 43.Ra8–+) 41.Kg5-/+ Kg7 (41...Re1 42.Rh7 Ke6 43.Rh6 Kd7 44.Kf5 Re3 45.Kf4–+) 42.Re8 Kf7 43.Rh8 Ke6 (43...e6 44.Rh7 Ke8 45.e4 fe4 46.fe4-/+) 44.Rh6 Kd7 45.Kf5 Rb1 46.e4 a4 47.Rh5 a3 48.Rh2 Rb2 49.Rh1 a2 50.Ra1 Rb5 51.e5 Ra5 52.f4 Ke8 (52...Ra4 53.Kg4–+) 53.Ke6 Ra6 54.Kd5 e6 55.Ke4 Kf7 56.Kf3 Kg6 (56...Ra3!? 57.Ke4 Kg6 58.Rg1 Kh5–+) 57.Rg1 Kf7 58.Ra1 Ra4 (58...Ra3!? 59.Ke4 Kg6 60.Rg1 Kh5 61.Rh1 Kg4 62.Rg1 Kh4 63.Rh1 Kg3 64.Ra1–+) 59.Ke3-/+ Kg6 60.Rg1 Kh5 61.Ra1 Kg4 62.Rg1 Kh3 63.Ra1 Kg2 64.f5 (64.Ke2 Ra3–+) 64...ef5 65.e6 Re4 66.Kd3 Re6 67.Ra2 Kg3 68.Ra8 f4 69.Rg8 Kf2 70.Rf8 f3 0–1. Koester,Roman (2120) – Bajramovic,Bego (2130), Hessenliga, 2007.

6.Nc3 b6

7.Qb3 Bb7 8.Nd5 Nd5 9.Bg7 Kg7 10.cd5 Bd5 11.Bc4 Bc4 12.Qc4 Nd7 13.d4 a5 14.b5 Rc8 15.0-0 e6 16.Rac1 h6 17.Qd3 Nb8 18.Ne5 Qd6 19.f4 Rfd8 20.Rc3 c5 21.dc5 Qd3 22.Nd3+– bc5 23.Rc5 Nd7 24.Rc8 Rc8 25.Rc1 Rc1 26.Nc1 a4 27.Kf2 Kf6 28.e4 e5 29.Nd3 ef4 30.Nf4 Ke5 31.Ke3 Nc5 32.Nd3 Kd6 33.Nb2 Kc7 34.Nc4 Ne6 35.e5 Kb7 36.Kd3 Nf4 37.Kd4 Ne2 38.Kc5 Nc3 39.Nd6 (39.Nd6 Kb8 40.Nf7 Ne4 41.Kc6+–) 1–0. Groznyi,Ivan – Raines,David, OP–2009–0-00879, 2009.

7.d4 c5 8.b5 (8.dc5!? bc5 9.Nd5 Nd5 10.Bg7 Ne3 11.fe3 Kg7 12.Qd8 Rd8 13.bc5+=) 8...cd4 9.Nd4 Bb7 10.Qb3 Nbd7 11.Nc6 Bc6 12.bc6 Nc5 13.Qc2 dc4 14.Bc4 Qe8 15.Nd5 Nd5 16.Bg7 Ne3 (worse is 16...Kg7 17.Bd5 Rd8 18.Rd1=) 17.fe3 Kg7 18.Bd5 Rd8 19.Rd1 e6 20.Bf3 Rd1 21.Qd1 Qe7 22.0-0 Rd8 23.Qc2 Rd6 24.Rd1 f6 25.Rd6 Qd6 26.Qd1 Qd1 (26...Qc7 27.a3-/+) 27.Bd1+= Na6 28.Be2 Nc7 29.g4 Kf7 30.h4 (30.Kf2!?-/+) 30...Ke7–+ 31.Kf2 Kd6 32.Bf3 Nd5 33.e4 Nb4 34.c7 Kc7 35.a4 (35.a3 Nc2 36.a4 Nd4–+) 35…Nd3 (35...Nd3 36.Ke3 Nb2–+) 0–1. Fromm – Olsson,Sture, corr 8688, 1988. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Nc3)

7.d4 c6 8.Be2=.

7.cd5 Nd5 8.Bc4 (8.Qb3 Bb7=) 8...Nc3 (better is 8...Nb4!? 9.d4 c5+=) 9.Bc3+= Bb7 10.Qb3 (10.Bg7 Kg7 11.d4 Qd6+=) 10...Bc3 11.dc3 Bf3 12.gf3 Nc6 (12...e6 13.f4=) 13.Rg1 (13.Bd5 Qd6+=) 13...Ne5= 14.Bd5 Rc8 (14...c6 15.Be4 e6=) 15.h4 (15.0-0-0 Qe8 16.f4 c6+=) 15...c6 (better is 15...e6!? 16.Be4 Qh4+=) 16.Be4+= Nd3 17.Ke2 c5?? (17...Ne5 18.h5 Kh8 19.hg6 Ng6 20.Rg5+/–) 18.h5?? (better is 18.Bd3 e5 19.Ba6+–) 18...c4+= 19.Qa4 f5-/+ 20.hg6 fe4 21.gh7 Kh7 22.Qb5?? ef3–+ 23.Kf1 Rf6 24.Qh5 Rh6 25.Qf7 Kh8 26.Qg7# 1–0. pawelo4952 – blaugrana18, kurnik, 2012.

7.Nd5 Nd5 8.Bg7 (8.cd5? Bb2 9.Rb1 Bg7–+) 8...Kg7 9.cd5 Qd5 10.d4 Bb7 11.Be2 Nd7 12.0-0 Nf6 13.Rc1 Qd6 14.Ne5 Nd5 15.b5 a6 16.a4 ab5 17.ab5 Ra2 18.Bc4 (better is 18.e4!? Nf4 19.Bc4+=) 18...Ne3+= 19.Qb3 (19.fe3 Rg2 Combination) 19...Ra3–+ (19...Nf1?! 20.Qa2 f6 21.Re1=) 20.Qb2 (20.Qe3 Re3 21.fe3 f6–+) 20...Nf1 21.Bf1 Ra4 22.Qc3 Qd4 (22...Rd4!? 23.Qc7 Ba8 24.Qd6 Rd6 25.Nc4–+) 23.Qd4 Rd4 24.Rc7 Bd5 25.Nd7 Ra8 26.Rc1 Be6 27.Nb6 Rb8 28.Nc4 Bc4 29.Rc4 Rd1 30.Rc2 Rb5 31.Rd2 Rd2 32.Bb5 Rd1 33.Bf1 e5 0–1. Zaynutdinov,I – Sakharov,L (2090), XXX Nezhmetdinov Mem, Kazan RUS, 2008.

7.Be2 Bb7

8.0-0 dc4 9.Bc4 Qd6 10.b5=.

8.0-0 Nbd7 9.d4 dc4 10.b5 Nd5 (10...Ne8 11.Bc4 Nd6 12.Bd3+=) 11.Nd5 Bd5 12.Nd2 (12.Qc2 Rc8+=) 12...c5 13.Bc4 Bc4 14.Nc4 cd4 (14...a6 15.a4=) 15.Bd4+= Bd4 16.Qd4 Nc5 17.Rfd1 Qd4 18.ed4 Ne4 (18...Na4 19.Rac1+=) 19.Rac1 Rfd8 20.Ne5 Nd6 21.a4 (21.d5 Nb5 22.a4 Nd6=) 21...a6 22.Nc6 Re8 23.ba6 Ra6 24.Rb1 e6 25.g3 (25.d5 Ra4 26.de6 Re6=) 25...Ne4+= 26.Rd3 Kg7 27.Rdb3 (27.Ne5 Rc8 28.Nd7 Ra4 29.Nb6 Rb8=) 27…Ra4 ½–½. Grigoriadis,Alexandros (2255) – Lazov,Toni (1965), Skopje MKD, 4th Karpos Open, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.Nc3 d5 6.e3 b6)

8.0-0 Nbd7 9.d4 Re8 10.Qc2 dc4 11.Bc4 e5 12.Ne5 Ne5 13.de5 Re5 14.Rad1 Qe8+=. Fritzie,Skip – Berry,Ja (2180), 24th OCF NthAmOp, Stillwater USA, 2005. (=1.c4 g6 2.Nc3 Bg7 3.Nf3 Nf6 4.b4 d5 5.e3 0-0 6.Bb2)

8.0-0 Nbd7 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 Bd5+=.

8.d4 dc4 9.Bc4 Nbd7+=.

6.Nc3 dc4?!

7.Bc4 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Ne8 11.h3 Nd6 12.Bb3 b6 13.0-0 Bb7 14.Nh2 Ne4? 15.Ne4 Bb2 16.Qb2 Be4 17.Ng4! h5 18.Nh6 Kh7 19.Nf7 Qc8? 20.Ng5 1–0. Brauer – Karbowski, corr 1975.

7.Bc4 a6 8.0-0 b5 9.Be2 Bg4 (9...Nc6 10.a4+=) 10.h3 (10.a4 ba4 11.Qa4 e5+/–) 10...Bf3 (10...Bd7 11.a4 ba4 12.d4+=) 11.Bf3+/– (worse is 11.gf3 Qd7+=) 11...c6 12.d4 (12.a4 ba4 13.d4 Nd5+/–) 12...Nd5 (12...a5 13.Qb3+=) 13.a3 (13.a4 ba4 14.Qa4 e6+/–) 13...Nc3 (13...e6 14.Qb3+=) 14.Bc3+/– Ra7 (14...Qd6 15.Qc2+/–) 15.Rc1 (15.Qc2 Qd6+/–) 15...Rc7 (15...Qd6 16.Qc2+/–) 16.Bb2 Rd7 (16...Qd6 17.Qc2+/–) 17.Bc6 Nc6 18.Rc6 Be5? (better is 18...e5!?+/–) 19.Ra6+– Qc8 (19...Qb8 20.Qg4 Bh2 21.Kh1+–) 20.Rb6 Qc4? (20...Bh2 21.Kh1 Rd5+–) 21.Qf3 (better is 21.Qc1 Bd6 22.e4+–) 21...Bc7? (21...Bh2 22.Kh2 Qf1 23.Rc6+/–) 22.Ra6?? (better is 22.Qc6 Bb6 23.Qd7+– (23.Qb6?! Qe2 24.Qc6 Rdd8=)) 22...Rd5?? (better is 22...Bh2! 23.Kh2 Qf1+=) 23.e4 (better is 23.Rc1 Qa2 24.Rc7+–) 23...Rd6 24.Rd6 (24.Ra7 Rf6 25.Rc1 Qc1 26.Bc1 Rf3 27.gf3 Bb6 28.Re7 Bd4+–) 24...Bd6 25.e5 (25.Rc1 Qa2 26.Qc3 f6+–) 25...Bc7 (25...Bb8 26.Re1+–) 26.Rc1 Qa2 27.Ba1 (27.Rc7 Qb2 28.Re7 Qd4+–) 27...f6 (27...Bb6 28.Re1+–) 28.Rf1 (28.Qb7 Bb8 29.Qb5 Qa3 30.Qc4 Kg7+–) 28...fe5 (better is 28...Qc4 29.Qe3 Qd5+–) 29.Qc3 (better is 29.Qc6 Bb8 30.Qb5+–) 29...Rf2?? (better is 29...Bb6 30.Qe3 Rf5+/–) 30.Rf2+– Qb1 31.Rf1 ed4 32.Qd4 (better is 32.Qc7 Qf1 33.Kf1 Kf7 34.Bd4 h5+–) 32...Bh2 33.Kh2 (33.Kh2 Qa1 34.Qd8 Kg7 35.Qf8) 1–0. GuestTRNQ – GuestJYGM, freechess.org, 2017.

7.Bc4 a6 8.a3 b5 9.Bb3 Bb7 10.0-0 Nbd7 11.d4 e6 12.Qc2 Qe7 13.e4 Nb6 14.Rfe1 Nfd7 15.a4 ba4 16.Na4 Na4 17.Ba4 Rfd8 18.Qc7 Rab8 19.Ba3 Qe8 20.Ne5 Be5 21.de5 Qe7 22.Rad1 Bc8 23.Bc6 Kf8 24.b5 Qa3 25.Qd8 Kg7 26.Bd7 1–0. Luzuriaga,Norberto Horacio – Borchardt,Simone, Tiger SC, 2000.

7.Bc4 a6 8.d4 b5 9.Bd3 Bb7 10.0-0 Nbd7 11.Be2 Nb6 12.a3 Nbd5 13.Nd5 Bd5 14.Rc1 c6 15.Rc5 Nd7 16.Rc1 Nb6 17.Nd2 Na4 18.Ba1 Nb6 19.Qc2 Qd6 20.e4+/– Be6 21.e5 Qd5 22.Qc6 Na4 23.Qd5 Bd5 24.Rc7 e6 25.Rfc1 Bh6 26.R1c2 Bd2 27.Rd2 Nb6 28.Rc1 Nc4 29.Bc4 Bc4 30.f3 Bd5 31.Kf2 Rac8 32.Rdc2 Rc2 33.Rc2 Bc4 34.Ke3 Rc8 35.Rc3 Kg7 36.g3 h5 37.h4 Kh6 38.Bb2 g5 39.Bc1 gh4 40.gh4 Kg6 41.Kf4 Rg8 42.Rc2 Kh7 43.Be3 Rg6 44.Rd2 f6 45.Rd1 fe5 46.Ke5 Rg3 47.Kf4 Rg2 48.Rd2 Rg6 49.Ke5 Bd5 50.f4 Rg3 51.Re2 Bc4 52.Re1 Bd5?? 53.f5+– 1–0. Fournier,Frederic (1805) – angel1957 (1910), Active (5/0), 2005.

7.Bc4 c6 8.a4 (8.d4 Nbd7=) 8...Nbd7 9.0-0 Nb6 10.Bb3 Bg4 11.d4 Nbd7 (11...Nbd5 12.Nd5 Nd5 13.b5=) 12.a5 b6 (12...Rc8 13.h3 Bf3 14.Qf3+= (worse is 14.gf3 e5+=)) 13.h3+/– Bf3 14.Qf3 (14.gf3?! c5 15.ab6 cb4+=) 14...e6 (14...c5!? 15.ab6 ab6 16.dc5 Ra1 17.Ra1 bc5 18.bc5 Nc5+=) 15.Qc6+– Nb8?? (better is 15...ba5 16.Ra5 Qe7+–) 16.Qa8 1–0. GuestPBNJ – GuestMFSM, freechess.org, 2017.

7.Bc4 Nc6 8.a3 Ng4 (8...Bg4 9.d4=) 9.d4+= a6 (9...e5 10.d5 e4 11.dc6 ef3 12.Qf3 Ne3 13.Qe3= (worse is 13.cb7 Bb7 14.Qe3 Re8-/+)) 10.0-0 b5 (10...Nf6 11.Qe2+=) 11.Bb3+/– Nf6 (11...e6 12.Qc2 Bb7 13.Rad1+/–) 12.d5 (12.Rc1 Na7+/–) 12...Na7 13.Qc2 (13.Rc1 e6+=) 13...Bb7 (13...Bf5 14.Qe2+=) 14.e4 (better is 14.Rfd1+/–) 14...e6? (14...c6 15.Rfd1 Qe8 16.Qe2+/–) 15.Rfd1 (better is 15.de6!? Qe7 16.ef7 Kh8 17.Rfe1+–) 15...ed5+/– 16.e5 (better is 16.Nd5 Nd5 17.Bg7 Kg7 18.Bd5 Bd5 19.Rd5+/–) 16...Ne4?? (better is 16...Nd7 17.Nd5 Rc8+/–) 17.Ne4+– Qe7 (17...c6 18.Nc5 Bc8 19.Qd3+–) 18.Nf6 Kh8 (18...Bf6 19.ef6 Qe4 20.Qc7+–) 19.Bd5 Bd5 (19...c6 20.Be4 Rfd8 21.Ng5 Bf6 22.ef6+–) 20.Nd5 Qd7 21.Nc7 Qc6 (21...Qc8 22.e6 fe6 23.Bg7 Kg7 24.Ng5+–) 22.Qc6 Nc6 23.Na8 Ra8 24.Rd6 Ne7 (24...Nd8 25.Rad1 Ne6 26.Ng5+–) 25.Rad1 (better is 25.a4 Nf5 26.Rb6 ba4 27.Ra4 Rd8+–) 25...h5 (25...Bf8 26.Rf6 Kg8 27.Rd7+–) 26.Rd8 Rd8 27.Rd8 Kh7 28.Ng5 Kh6 29.Nf7 Kh7 30.Bc1 Nc6 (30...Nf5 31.Ng5 Kh6 32.Ne4 g5 33.Bg5 Kg6 34.e6+–) 31.Ng5 Kh6 32.Ne6 (32.Rd7 Nb4 33.Ne6 g5 34.Rg7 h4 35.f3 Nd3 36.Bg5 Kh5 37.g4 hg3 38.hg3 Ne5 39.Nf4) 32...Kh7 33.Rd7 Ne5 34.Rg7 Kh8 35.Bb2 (35.Bb2 a5 36.Be5 ab4 37.Rg6 Kh7 38.Nf8) 1–0. DEFFM – GuestNLBM, freechess.org, 2018.

7.Bc4 Nc6 8.b5 Na5 9.Qa4 Nc4=+ 10.Qc4 Be6 11.Qb4 a6 12.ba6 (12.0-0 ab5 13.Qb5 Bd7=) 12...ba6 (12...Ra6 13.d4=+) 13.0-0 (13.d4 Rb8 14.Qa3 Qd6=+) 13...a5 (13...Rb8 14.Qa3=+) 14.Qa4 (14.Qh4 Qd3=) 14...Bd7 (14...c5 15.Rab1=) 15.Qc2 (15.Qh4 Bg4 16.d4 Bf3 17.gf3 Rb8=) 15...Bf5=+ 16.e4 (better 16.Qa4=+) 16...Bg4 (16...Ne4 17.Ne4 Bb2 18.Rab1-/+) 17.h3 (17.Ne5 c5+=) 17...Be6?? (17...Bf3 18.gf3 Nh5 19.Ne2-/+) 18.g4 (18.d4 Rb8+=) 18...Qd7 (better 18...Bc4 19.Rfe1 Bd3=+) 19.g5?? (better 19.d4 Nh5 20.Kh1=) 19...Nh5 (19...Bh3 20.Ne5 Qe6 21.gf6 ef6 22.Rfe1–+) 20.e5 (better 20.Rfc1 Nf4 21.d4–+) 20...Bh3 21.Rfe1 (21.Qa4 Qd3 22.Qe4 Bf1 23.Rf1 Rfd8–+) 21...Nf4 (21...Qg4 22.Kh2 Qg2) 22.Ne4?? (22.e6 Be6 23.Qa4 Qa4 24.Na4 Nd3 25.Bg7 Ne1 (25...Kg7?! 26.Re4–+) 26.Re1 Kg7–+) 22...Bg4 (better 22...Qg4 23.Ng3 Qf3–+) 23.Nh4 (23.e6 Qd3 (23...Be6 24.Bg7 Bd5 25.Qc3 Be4 26.Ne5–+) 24.Qd3 Nd3 25.Bg7 Ne1 26.Re1 Kg7–+ (26...Bf3?! 27.Bf8 Rf8 28.ef7 Kf7 29.Re3 Be4 30.Re4-/+)) 23…Be5 (23...Be5 24.Be5 Nd3 25.Qc7 Qc7 26.Bc7 Ne1 27.Re1 Rfc8+–) 0–1. Agiant – rastt, lichess.org, 2019.

7.Bc4 Nbd7 8.d4 Nb6 9.Bb3 c6 10.h3 a5 11.ba5 Nbd5 12.a6 (12.Nd5 Nd5 13.0-0 Bf5+=) 12...Ra6= 13.0-0 Nc3 14.Bc3 Ne4 15.Bb2 c5 (15...Nd6 16.Ne5=) 16.Qb1 (16.Qe2 Be6+=) 16...Bf5= 17.Bc2 Qd5 18.dc5 Bb2 19.Qb2 Nc5 20.Rfd1 Qe6 21.Nd4 Qe5 22.Bf5 gf5 23.Qb5 Rg6 24.Rac1 b6 25.Nf3 Qe4 26.Qe2 (26.Kh2 Ra8 27.Rd4 Qc6+=) 26...Ne6 (26...f4=) 27.Rc4 (better 27.Kf1!?+=) 27...Nf4=+ 28.Qf1 Qf3 g2 becomes the focus of attention 29.Rf4 Qh3 30.Rdd4 e5 31.Rh4 Qf3 32.Rd6 Qb7 33.Rg6 hg6 34.Qb5 e4 (34...Qe7 35.Rh3 Qf6 36.a4-/+) 35.a4 (better 35.Qe5!? f6 36.Qh2=) 35...Qe7-/+ 36.g3 Qf6 37.Kg2 Kg7 38.Rh1 Rc8 39.Qa6 ½-½. Kovacevic,Radmila (2110) - Gajcin,Marina (2270), ch-SRB SF Women, 2020.

7.Bc4 Nfd7 8.d4+= Nb6 9.Be2 c6 10.0-0 e6 (10...Bf5 11.a3+=) 11.a4 Nd5 12.Qb3 White intends b5 12...Nd7 13.Ba3 Re8 14.b5 (14.Rfd1 a6+=) 14...cb5 (14...Nc3!? 15.Qc3 cb5 16.ab5 e5+=) 15.Nb5+/– (15.Nd5?! ba4 16.Qa4 ed5=) 15...a6? (better is 15...Qb6+/–) 16.Nd6+– N7b6 (16...N7f6 17.Rac1+–) 17.a5 Nd7 18.Rfc1 b5 19.ab6 N7b6 20.Ne8 Qe8 21.e4 Nf4 22.Bf1 (22.Qb6?! Ne2 23.Kh1 Nc1 24.Rc1 a5+=) 22...Rb8 (22...Nd7+–) 23.Bd6 Rb7 24.Bf4 Nd5 25.Qa4 Qa4 26.Rc8 (26.Rc8 Bf8 27.Ra4 Nf4 28.g3+– (28.Ba6?? Rb1 29.Rc1 Rc1 30.Ne1 Re1 31.Bf1 Ne2 32.Kh1 Rf1)) 1–0. GuestSBKR – GuestMZDV, freechess.org, 2018.

7.Bc4 Ne4 8.0-0 (8.Ne4 Bb2 9.Rb1 Bg7+=) 8...Nc3 (8...Nd6 9.Be2+=) 9.Bc3 Bc3 (9...Qd6 10.Ng5+=) 10.dc3+/– Qd1 11.Rfd1 e6 (11...Bg4 12.Be2+=) 12.Ne5 (12.Rd2 Nd7+/–) 12...Nc6 (12...f6 13.Nd3+/–) 13.Nc6 bc6 14.e4 (14.Rd2 a5+/–) 14...a5 (14...e5 15.Rab1+/–) 15.a4 (15.e5 Ba6 16.Ba6 Ra6+/–) 15...ab4 (15...Ba6 16.Ba6 Ra6 17.Rdb1+/–) 16.cb4 Ba6 17.Rdc1 Rfb8 (17...Rfd8 18.Bf1+/–) 18.Ba6 Ra6 19.Rc4 Rd8 (19...Rab6 20.a5 Rb4 21.Rb4 Rb4 22.a6+/–) 20.a5+– c5 (20...Kf8 21.Kf1+–) 21.Rc5 (21.bc5?! Ra5 22.Rcc1 Rda8 23.Ra5 Ra5=) 21...Rd4 22.Rb1 (22.Rc7?! Rb4 23.f3 Rb5+/–) 22...Re4 (22...c6 23.f3+–) 23.Rc7 Rd6 (23...Kg7+–) 24.b5 Rb4 (24...Rd2 25.a6 Kg7+–) 25.Rcc1 Rbd4 (25...Rdd4 26.b6 Rdc4 27.Rf1+–) 26.b6 (26.b6 Kg7 27.b7+–) 1–0. DEFFM – GuestHLSK, freechess.org, 2018.

7.Bc4 e6 8.0-0+= c6 (8...Nd5 9.Qb3+=) 9.Qb3 (9.d4 Nd5+=) 9...Nbd7 10.d4 Nb6 11.Bd3 Nfd5 (11...Nbd5 12.Rfc1+=) 12.b5 (12.Ne4 f6+=) 12...Bd7 (12...Nc3 13.Bc3 cb5 14.Bb4+=) 13.Ba3 Re8 14.Ne4 cb5 (14...Nc8 15.Nc5 Qc7 16.Rfc1+/–) 15.Nd6 (15.Bb5?! Bb5 16.Qb5 Qd7 17.Qd7 Nd7+=) 15...a5 (15...Rf8 16.Nb7 Qc7 17.Bf8 Bf8 18.Nc5 Bc5 19.Rac1+/–) 16.Ne8 b4? (better is 16...Qe8 17.Bc5 Nc4 18.Bc4 bc4 19.Qb7 Bb5+/–) 17.Ng7+– Kg7 (17...a4 18.Ne6! A) 18...ab3?? 19.Nd8 ba3 20.ab3+– (worse is 20.Nb7 b2+–); B) 18...Be6+–) 18.Bc1 a4 (18...Nc3 19.Re1+–) 19.Qb2 Nc3 (19...a3 20.Qd2+–) 20.Qb4 (20.Qb4 Nbd5 21.Qb2+–) 1–0. DEFFM – GuestHSXH, freechess.org, 2018.

7.Bc4 Bg4 8.h3 Bd7 9.Qb3 e6 10.0-0 c6 11.d4 Nd5 12.e4 Nf4 13.Rab1 Qf6 14.d5 Nh3 15.gh3 Qf3 16.de6 fe6 17.Be6 Kh8 18.Bd7 Nd7 19.Qe6 Ne5 20.b5 Rae8 21.Qb3 Qh3 22.Ne2 Nf3 23.Qf3 Rf3 0–1. Evgenii_777 (1925) – AndresAlcazz (1960), lichess.org, 2020.

6.Nc3 c6

7.a4 Nbd7 8.cd5 Nd5 9.Qb3 Nc3 10.Bc3 e5 11.Qb2 Re8 12.Be2 Qe7 (12...h6 13.0-0=) 13.d3 (13.0-0 Nb6+=) 13...Nb6 14.e4 Bg4 15.0-0 Red8 (15...Rad8 16.a5 Nc8 17.Ne1 Be2 18.Qe2=) 16.Rfd1 Nd7 17.h3 Bf3 18.Bf3 Nf8 19.Rab1 (19.b5 Qd6=) 19...Qf6 20.Be2 (20.b5 cb5 21.Qb5 Rac8=) 20...Ne6+= 21.Bf1 (21.b5 cb5 22.Qb5 b6+=) 21...Rd7 (21...Nd4 22.b5+=) 22.Bd2 (22.b5 Rc8+=) 22...Nd4 23.Rdc1 (23.Be3 Rad8+=) 23...Bf8 (23...a6 24.Be3+=) 24.Be3 Qd6 (24...Rad8 25.b5+=) 25.Rc4= Ne6 (25...Re8 26.b5=) 26.Qc1 (26.Rbc1 f5=) 26...Qe7 (26...f5 27.Be2=) 27.g3 (27.b5 c5=) 27...Qf6 28.Qb2 (28.a5 Nd4=) 28...Rad8 29.a5 (29.f4 Nd4=) 29...Nd4+= 30.f4 Bg7 31.Qf2 a6 (31...Qe6 32.a6+=) 32.Rd1 Qe6 33.Re1 Qf6 (33...ef4 34.Bf4 h6 35.Kh2=) 34.Kh1 (34.Bg2 Qe7=) 34...Qe6 35.Kh2 (35.Kg1 ef4 36.gf4 Bf6=) 35...Qf6 36.Rec1 (36.Kh1 h6=) 36...Nb3 (36...h6 37.Kg1=) 37.Rb1 Nd4 38.h4 (38.Rbc1 Qe7=) 38...h6 (38...Rd6 39.Bh3=) 39.Rc5 (39.Bh3 Rd6+=) 39...Ne6 (39...ef4 40.Qf4 Qf4 41.gf4+=) 40.Re5= Qe7 41.d4 (41.Bb6 Re8 42.Bc5=) 41...Qf8 (41...Be5 42.de5 Kh7 43.Bh3+=) 42.d5= Be5 43.de6 fe6 44.Bc4 (44.fe5 Rd2 45.Qd2 Rd2 46.Bd2 Qf2 47.Bg2 Qd2–+) 44...Kh7 45.Be6 (45.fe5 Rd2 46.Qd2 Rd2 47.Bd2 Qf2 48.Kh3 Qd2 49.Be6 h5–+) 45...Rd6 46.Qa2 (46.f5 Kh8+=) 46...Bd4 (46...Qe7 47.Bg4 Bc3 48.Qc4+=) 47.Bc1 (47.e5 Re6 48.Bd4 Qf5-/+) 47...Qe7 48.f5 Be5 49.Kg2 Rd3 (49...gf5 50.Bf5 Kh8 51.Rb3-/+) 50.Rb3 Bg3?? (better is 50...gf5 51.Bf5 Kg7-/+) 51.Rd3+= Rd3 52.Bb2 (better is 52.Qc2!? Qd6 53.fg6 Kg7 54.Bb2 Be5 55.Be5 Qe5 56.Qd3 Qe6 57.Qf3 Kg6 58.Kf2+=) 52...Rd2= 53.Kf3 (53.Kg3 Qd6 54.Be5 Qe5 55.Kf3 Rd3 56.Ke2 Qe4 57.Kf1 Qf3 58.Kg1 Rd1 59.Kh2 Rh1) 53...Rb2 54.Qb2 Bh4 (54...Qh4 55.Qd2 h5 56.fg6 Kg6 57.Bf5 Kf7 58.Qd7 Kf8 59.Qc8 Kg7 60.Qb7 Kf8 61.Qc8 Kg7 62.Qa6 Qf4 63.Ke2 Qf2 64.Kd1 Qd4 65.Kc2 Qf2 66.Kb3 Qf3 67.Ka2 Qf2 68.Ka3 Qf3 69.Kb2 Be5 70.Kc2 Qc3 71.Kd1 Qb4 72.Qc6 Qd4 73.Ke2 Qb2 74.Ke3 Qa3 75.Kf2 Qa2 76.Kf3 Qb3 77.Ke2 Qb2 78.Kf1 Qa1 79.Kg2 Qb2 80.Kf3 Qb3 81.Ke2 Qb2=) 55.Qd4 (55.Qe5 gf5 56.Bf5 Kg8 57.Qe6 Qe6 58.Be6 Kf8=) 55...Bf6 (55...Bg5 56.Qe5 Qd8 57.fg6 Kg6 58.Qf5 Kg7 59.Qf7 Kh8 60.e5=) 56.e5= Bg7 (better is 56...Bg5!?=) 57.fg6+= Kh8 58.Qd6 Bf8 59.Qe7 Be7 60.Ke4 ½–½. Dimakiling,Oliver (2380) – Sivakumar,Ashvin (2035), 7th Penang Heritage City International, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Nc3 c6)

7.a4 Be6 8.c5=.

7.Qb3 a5 8.b5 Bg4 9.Ne5 d4 10.Na4 cb5 11.cb5 de3 12.de3 Ne4 13.Qd3 Bf5 14.g4 Be5 15.Be5 Ng5 16.Qd8 (16.gf5?! Nf3 17.Ke2 Qd3 18.Kd3 Ne5 19.Ke2 Nbd7+=) 16...Rd8 17.gf5 Nf3 18.Ke2 Ne5 19.fg6 hg6 20.Nb6 Ra7 21.Bg2 a4 (21...Ned7 22.Rhd1 a4+–) 22.Rhd1+– Ned7 23.Rd4 (23.Rac1 Ra5 24.Nd7 Nd7+–) 23...Kf8 (23...e5 24.Rd3 (worse is 24.Ra4 Ra4 25.Na4 Rc8+–) 24...Kf8 25.Rad1+–) 24.Rad1 (24.Na4?! e5 25.b6 Ra5+–; 24.Ra4?! Ra4 25.Na4 Rc8+–) 24...Ke8 25.Ra4 (25.Rh4!? e6 26.Rh8 Ke7 27.Nc8 Rc8 28.Rc8 Ra5+–) 25...Ra4 26.Na4 Rc8 (26...b6 27.Rc1+–) 27.Bb7 Rc4 28.Rd4 Rc2 29.Rd2 Rc1 30.Be4 f5 31.Rc2 Rc2 32.Bc2 e6 33.Nc3 Nc5 34.a4 Nb7 35.Kd3 Na5 36.Ne2 Kd7 37.Kc3 Kd6 38.Kb4 Nb7 39.h4 e5 40.a5 Nc5 41.Ng3 Nbd7 42.h5 f4 43.ef4 (43.ef4 ef4 44.Bg6 fg3 45.fg3+–) 1–0. Fries Nielsen,Niels Jorgen (2345) – Hvenekilde,Jorgen (2290), DEN–ch Norresundby, 1984. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nc3 d5 6.e3)

7.Qb3 dc4 8.Bc4 b5 9.Be2 a5 10.a3 Be6 11.Qc2 (11.Qd1 ab4 12.ab4 Na6=+) 11...ab4-/+ 12.ab4 Na6 13.Ba3 (13.Qc1 Nb4 14.Ra8 Qa8-/+) 13...Nb4! 14.Qb1 (14.Bb4 Ra1 Pinning (14...Ra1 Deflection; 14...Ra1 Clearance)) 14...Nbd5 (14...Nfd5 15.Bb4 Ra1 16.Qa1 Nb4 17.0-0-/+) 15.0-0 (15.Nd5!? Bd5 16.0-0-/+) 15...Nc3-+ 16.dc3 Nd5 17.Bb2 Nc3 18.Bc3 Bc3 19.Ra8 Qa8 20.Nd4 Bd4 (20...Bd5 21.Rc1 b4 22.Bf3-+) 21.ed4 Bd5 22.Qb4 (22.Qd3 Qd8-+) 22...e6 (22...Bg2 23.Kg2 c5 24.Bf3 cb4 25.Ba8 Ra8 26.Rb1-+) 23.Rc1 (23.Qc3 Qd8-+) 23...Qa4 (23...Bg2 24.f3 Bh3 25.Qd6-+) 24.Qc5 b4 25.Rb1 b3 26.Bd1? (26.Bf1 Rb8 27.Qc3 Qb4-+) 26...Qa2 (better 26...e5!? 27.Qc1 ed4 28.Be2-+) 27.Qc1 Rb8 28.Rb2 Qa3 (28...Qa4 29.Qd2-+) 29.h4 (29.h3 Qb4 30.Qe3 Ra8-+) 29...Qb4 30.Qe3 h5 (30...Ra8 31.Kh2-+) 31.g4 (31.g3-+) 31...hg4 32.h5 (32.Kh2 Ra8 33.Bg4 c5-+) 32...Kg7 (32...gh5 33.Bc2 Kf8-+ (33...bc2 34.Qg5 Kh7 35.Qh5 Kg7 36.Qg5 Kf8 37.Rb4 Rb4 38.Qd8 Kg7 39.Qg5 Kh7 40.Qh5 Kg8 41.Qg5 Kh8 42.Qh4 Kg7 43.Qg5 Kf8 44.Qd8 Kg7 45.Qg5=)) 33.h6 (33.h6 Kh7 34.Kf1-+). ZoeMcNally (2330) - Marat67 (2150), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3)

7.Qb3 Be6 8.Ng5 dc4 9.Bc4 Bc4 10.Qc4 Nfd7 11.f4 Na6 12.a3 e5 13.Nce4 Nb6 14.Qa2 h6 15.Nh3 Nd5 16.Be5 Be5 17.fe5 Qh4 18.Nhf2 Rae8 19.g3 Qd8 20.Ng4 Kg7 21.Qb2 f5 22.ef6 Kh7 23.Ng5?? (better is 23.Qc2 Re4 24.Qe4 Nf6 25.Nf6 Qf6 26.Ke2 Qf2 27.Kd1+–) 23...hg5+= 24.h4 Nf4?? (24...Kg8 25.hg5 Qb8 26.Nh6 Kh7+–) 25.hg5+– (25.gf4?! Qd5 26.0-0-0 gf4+–) 25...Nh5 26.Qc2 (26.Qc2 Rf6 27.Rh5 Kg7 28.gf6 Qf6 29.Nf6 Re3 30.de3 gh5 31.Nh5 Kh6 32.Nf4 Kg7 33.Qg6 Kf8 34.Qf6 Ke8 35.Rd1 Nb4 36.Rd8) 1–0. Rombaldoni,Denis (2415) – Mory,Eric (2110), FRA–chT2 South, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nc3 d5 6.e3 c6)

7.b5 Bg4 8.Be2 (8.h3 Bf5=) 8...dc4 9.Bc4 cb5 (9...a6 10.a4+=) 10.Bb5= Nd5 11.Qb3 (11.d4 Nc3 12.Bc3 Nc6=) 11...Nc3 12.Bc3 Bc3 13.dc3 Bf3 14.gf3 Qb6 (14...Qc7 15.h4=) 15.Qc4 (15.Rd1!?=) 15...Nc6 16.0-0 Ne5 17.Qe2 Nf3! 18.Qf3 Qb5 19.Rab1 Qg5 20.Kh1 (20.Qg3 Qg3 21.hg3 b6-/+) 20...b6 21.Rg1 (21.Rbd1 Qa5-/+) 21...Qe5 (21...Qa5 22.Ra1–+) 22.c4 Rac8 23.Rb5 (23.Rbc1 Rfd8–+) 23...Qc7 (23...Qe6 24.Qd5–+) 24.Rc1 Qc6 (24...Rfd8–+) 25.e4 (better is 25.Kg2!?-/+) 25...f5–+ 26.Rd5 (26.Re5 fe4 27.Qe4 Qe4 28.Re4 Rf2 29.Re7 Ra2–+) 26...e6 27.Rd4 fe4 28.Qe4 Qe4 29.Re4 Rf2 30.Re6 Ra2 31.Re4 (31.Ree1 Rc7–+) 31...Rf8 (31...Rd8 32.Re3–+) 32.Rg1 (32.Rd1 Rff2 33.Re7 Rh2 34.Kg1 Rhg2 35.Kh1 Rgf2 36.Rd8 Rf8 37.Rf8 Kf8 38.Rh7 g5–+) 32...Rff2 33.Rh4 a5 34.Rd1 a4 35.Kg1 Rg2 36.Kh1 Rgd2 37.Re1 (37.Rd2 Rd2 38.Rh3 Rc2–+) 37...a3 38.Re8 Kf7 39.Re1 h5 40.Rf4 Kg7 41.Re7 (41.h4 Rh2 42.Kg1 Rag2 43.Kf1 a2 44.Re7 Kh6–+) 41...Kh6 (41...Kh6 42.Kg1 Rg2 43.Kf1 Rh2–+) 0–1. GuestLTQB – GuestTQKQ, freechess.org, 2017.

7.Rc1 Qd6 8.b5 e5 9.bc6 Nc6 10.Nb5 Qb8 11.c5 Rd8 12.Nd6 Ne8 13.Nc8 Qc8 14.Qa4 Nc7 15.h4 h6 16.Rc2 Ne6 17.d3 d4 18.e4 Rd7 19.g3 Rc7 20.Ba3 Nb8 21.Bh3 Rc6 22.0-0 Qc7 (22...Nc5 23.Bc8 Na4 24.Rc6 bc6 25.Bb7+–) 23.Rb1 Na6 24.Be6 Re6 25.c6 Rc6 26.Rb7! Qb7 27.Qc6 (27.Rc6?! Nc7=) 27...Rb8 28.Bd6 Qc6 29.Rc6 Rb6 30.Rb6 ab6 31.Ne5 Be5 32.Be5 Nb4? (better is 32...b5!?+–) 33.a4 (33.Bd4?! b5+–) 33...Nc2 34.Kf1 Kf8 (34...f5 35.Ke2 Kf7 36.Kd2+–) 35.Bd6 (35.Bd6 Ke8 36.Bc7+–) 1–0. Juswanto,D (2450) – Panggabean,H (2190), Telin International Open, 2011. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.b4 0-0 6.Bb2)

7.c5 Nbd7 8.d4 e5 9.Be2 e4 10.Nd2 Ne8 11.0-0 f5 12.Qb3 Ndf6 13.b5 Kh8 14.a4 Ng4 15.h3 Nh6 16.bc6 bc6 17.f4 ef3 18.Nf3 Nf7 19.Bd3 Qc7 20.Rab1 Rb8 21.Qc2 Nf6 22.Bc1 Be6 23.Rb8 Rb8 24.Ne2 Ne4 25.Nf4 Bd7 26.Ba3 Bf6 27.Nd2 Nd2 28.Qd2 Rb3 29.Qa2 Qb8 30.Bc1 Rb7 31.Ba6 Rb4 32.Nd3+= Rb1 33.Nf4 Rb4 34.Nd3 Rb1 ½–½. Klemens,Leszek – Fekete,Albert, corr ICCF TT–6–02–F, 2008.

7.Be2 dc4 8.Bc4 b5 9.Bb3+=.

7.Be2 Nbd7 8.0-0 e5 (8...dc4 9.Bc4 Nb6 10.Be2=+) 9.Qb3 (better 9.cd5!? cd5 10.Qb3+=) 9...e4= 10.Nd4 Nb6 (10...dc4 11.Qc4 Ne5 12.Qb3=) 11.c5 Nbd7 12.f3 ef3 13.Nf3 Qe7 14.Rae1 Ng4 15.Bd1 (15.h3!? Ngf6 16.Na4=) 15...Nde5 16.Na4 Be6 (16...Re8 17.g3=+) 17.Bd4 f5 (17...Nf3 A) 18.Rf3?? Qh4 19.Qc3 Qh2 (19...Qe1?! 20.Rf1 Qh4 21.h3 Bd4 22.Qd4–+) 20.Kf1 Qh1 21.Ke2 Qg2 22.Kd3 Bd4 23.Qd4 Nf2 24.Kc2 b5–+; B) 18.Bf3 Ne5 19.Be2=+) 18.Nb2 Rae8 19.Qc3 Bd7 20.Nd3 Nd3 21.Qd3 Ne5 22.Qc3 Nf3 23.Bf3 Bd4 24.Qd4 Qe5 25.Qh4 Qf6 26.Qg3 (26.Qf6 Rf6 27.g3 Kg7=) 26...Rf7 (26...Qb2 27.Qf2=+) 27.a4 (27.Qf4!?=) 27...Qb2=+ 28.d4 (28.Qf2!?=+) 28...Qb4-/+ 29.Rb1 Qa4 30.Rb7 Qa3 31.Re1 Re3 (31...Qc3 32.Rb8-/+ (32.Ra7? f4 33.Qh4 fe3–+)) 32.Rd7 (32.Bd5 Rg3 33.Bf7 Kf7 34.hg3 Qg3 35.Rd7 Kf6-/+) 32...Rd7 33.Re3?? (better 33.Bd5 Rd5 34.Qe3 Qe3 35.Re3-/+) 33...Qe3–+ 34.Kf1 0–1. Moraes,Maurino Anastacio D – Santana,AP, 2nd Copa Cidade de Curitiba, 2010.

7.Be2 Nbd7 8.d4 Re8 9.0-0 dc4 10.Bc4 Nb6 11.Bb3 Nbd5 12.a3 a5 13.ba5 Qa5 14.Qc2 Qd8 (14...Bf5 15.e4 Nc3 16.ef5=) 15.Ne5 e6 16.Ne2 Nd7 17.Rad1 Ne5 18.de5 Qc7 19.Bd5 (19.e4!? Ne7 20.Rd6+=) 19...ed5= 20.Rd5 Be5 21.Be5 Re5 22.Re5 Qe5 23.Qd3 Qe7 24.Ra1 b6 25.Qc3 Bd7 26.Nf4 b5 27.h3 b4 28.ab4 Ra1 29.Qa1 Qb4 30.Nd3 Qb5 31.Ne5 Be8 (31...c5!?=) 32.Ng4+= h5 33.Nf6 Kf8 34.Qd4 Ke7 (34...Qb1 35.Kh2 Qb8 36.g3+=) 35.Ne4 (better is 35.e4!?+/–) 35...Qd5= 36.Qb4 Ke6 37.Nc3 Qe5 38.Qc4 Ke7 39.Qd4 Qd4 40.ed4 Bd7 41.f4 Bf5 42.Kf2 Kd6 43.Kf3 c5 44.dc5 Kc5 45.g4 ½–½. Font Garcia,Xavier (1720) – Tuz,Mykola (2080), 16th Balaguer Open, 2011.

7.Be2 Ne4 8.0-0 (8.d4 a5=) 8...Bg4 (8...a5 9.ba5 Qa5 10.cd5=) 9.d4 Nc3 10.Bc3 Bf3 (10...Nd7 11.cd5 cd5 12.Rc1=) 11.Bf3 dc4 12.Qe2 b5 (12...Nd7!?+=) 13.a4+/– a6 (better is 13...ba4!? 14.Qc4 Nd7+/–) 14.ab5+– Qc7 (14...Qd7 15.Ra5 Ra7 16.ba6 Ra6 17.Qc4+–) 15.Ra5 Nd7 16.Bc6 Ra7 17.Bd7 Qd7 18.ba6 Rc8 (18...Qe6 19.b5+–) 19.b5 Qc7 (19...Qe6 20.Rb1+–) 20.Rb1 Qb6 21.Ra4 Rac7 (21...Raa8+–) 22.Ba5 Qa7 (22...Qb8 23.Bc7 Qc7+–) 23.Bc7 Qc7 24.b6 Qc6 25.Rc4! Qc4 26.Qc4 Rc4 27.a7 Ra4 28.b7 Ra7 29.b8Q (29.b8Q Bf8 30.Qa7+–) 1–0. GuestTFXM – GuestHKZP, freechess.org, 2018.

7.h3 dc4 8.Bc4 Nbd7 (8...b5 9.Bb3+=) 9.0-0 (9.d4 Nb6 10.Bd3 Nbd5=) 9...Nb6 10.Be2 Qd6 (10...Bf5 11.d4=) 11.a3 Nfd5 (11...Rd8 12.Na4=) 12.Ne4+= Qc7 13.Bg7 Kg7 14.Rc1 (14.Rc1 Bf5 15.Ng3+=). Sternik,Ryszard – Tammik,Kaljo, MCO, 1997.

6.Nc3 Nc6

7.b5 Na5 8.cd5 (8.Nd5 Nd5 9.Bg7 Ne3 10.de3 Kg7+=) 8...Nd5= 9.d4 c5 (9...Nb6 10.Bd3=) 10.bc6 (10.Rc1 cd4 11.Nd5 Qd5 12.Bd4 A) 12...Qa2? 13.Ra1 Qb3 14.Bg7 (14.Ra5?! Qb4 15.Qd2 Qb1 16.Ke2 Be6+=) 14...Kg7 15.Ra5 Qb4 16.Qd2 Qb1 17.Ke2+–; B) 12...Bd4 13.Qd4 Be6 (13...Qa2? 14.Ra1 Qc2 15.Ra5+–) 14.Qd5 Bd5=) 10...Nc6= 11.Be2 b6 12.Qb3 e6 (12...Nc3 13.Qc3 Bb7 14.Rc1=) 13.Nd5+= ed5 14.a4 (14.0-0 Na5 15.Qb4 Nc6+=) 14...Bb7 (14...Bf5 15.Rc1 Rc8 16.0-0+=) 15.0-0+= Na5 16.Qa2 (16.Qb4 Rc8+=) 16...Rc8 17.Ba3 Re8 18.Bb4 Bf8 (18...Nc4!?=) 19.Ba5+/– ba5 20.Ne5 f6 21.Nd3 Ba6 22.Nf4 The isolani on d5 becomes a target 22...Bc4 23.Bc4 dc4 24.Rfc1 Qc7 25.Nd3 (25.Rc2!?+/–) 25...Qf7+= 26.Nb2 Increasing the pressure on the isolated pawn on c4 26...c3 27.Nd1 Bb4 28.Qf7 Kf7 29.Rc2 Rc4 30.Kf1 f5 31.f4 (31.Rb1 h6+=) 31...Re6 32.Kf2 Ke7 33.Rac1 Kd7 34.g3 (worse is 34.Nc3 Rec6-/+) 34...Re8 35.Rb1 (worse is 35.Nc3 Rec8-/+) 35...Rc6 (better is 35...h6!?=) 36.Ke2+/– Rce6 37.Kd3 (37.Nc3? Re3 38.Kf1 Rc3 39.Rc3 Bc3 40.Rb7 Kd6 41.Rh7 Bd4–+) 37...Kd6 38.Re2 (38.Nc3?? Re3 39.Kc4 Rc8 40.Kb5 Rec3 41.Rc3 Bc3–+) 38...Kd5 39.Rc1 Rc8 40.Rec2 Rce8 41.Re2 (41.Rc3?! Bc3 42.Nc3 Kd6 43.Nb5 Ke7+=) 41...Rc8 42.Nc3 Bc3 43.Rc3 Rc3 44.Kc3 Rc6 45.Kd3 Rc4 46.Ra2 Rb4 47.Ra3 h5 48.Rc3 (48.h3!?+/–) 48...Ra4 49.Rc5 Kd6 50.Rc8 Ra3 51.Kc4 Re3 52.Kb5 (better is 52.Rg8!? Re6 53.Rg7+/–) 52...Re6 53.Rd8 Kc7 54.Rg8 Kd6 55.Rd8 Ke7 56.Ra8 Rb6 57.Kc5 Rb7 58.Kc6 Rd7 59.d5 a4 60.Rh8 Rd6 61.Kc5 Ra6 62.Rh7 Ke8 63.Rh8 Kf7 64.d6 Ke6 65.Rh6 Ra5 (better is 65...a3 66.Rg6 Kd7 67.Rg7 Ke8 68.Rg8 Kd7 69.Rg7 Ke8=) 66.Kc6+– Ra6 67.Kc7 Kd5 68.d7 (better is 68.Rg6 Rc6 69.Kd7+–) 68...Rc6= 69.Kb8 Rd6 70.Kc7 a3?? (better is 70...Rc6 71.Kb7 Rb6 72.Kc8 Rc6 73.Kb7 Rd6=) 71.Rg6!!+– Rg6 72.d8Q Kc4 73.Qd1 Kb4 (73...Rg7 74.Kd8 Rg4 75.Qa4 Kd5 76.Qa3+–) 74.Qb1 Ka4 75.Qd1 Kb4 76.Qb1 Ka4 77.Qf5 Rb6 78.Qc2 (78.Qc2 Rb3 79.Kc6+–) 1–0. Arni,Julian Kirsten (2225) – Rocha,Wellington Carlos (2440), Sao Jose do Rio Preto, 2004. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.e3 Nc6)

6.Nc3 Ne4

7.Qc2 Nc3 8.Bc3 c6 9.Be2 Bf5 10.Qb2 Bc3 11.Qc3 dc4 12.Bc4 Be4 13.d4 (13.Be2 Nd7+=) 13...Nd7 (13...Bf3 14.gf3 Nd7 15.f4=) 14.0-0 (14.Be2!?+=) 14...Bf3= 15.gf3 Nf6 16.Rae1 (16.Rfc1 Nd5 17.Bd5 Qd5=) 16...e6 17.e4 Qe7 (17...a5 18.ba5 Qa5 19.Qe3=+) 18.Kh1= Rad8 19.f4 (19.Rg1 Rd7=+) 19...Nh5 (19...Qd6-/+) 20.Qf3? (20.f5 ef5 21.ef5 Qd6=+) 20...Qh4 (20...Qb4!? 21.Bb3-+) 21.f5 (better 21.Rd1!?=+) 21...Rd4-+ 22.Bb3 ef5 23.ef5 Rf4 24.Qg2 (24.Qe3 Rf5 25.a3 Nf6-+) 24...Rf5 (24...Rb4 25.fg6 Kg7 26.gf7 Rg4 27.Re4 Rg2 28.Rh4+-) 25.Re4? (25.Bc2 Rf4 26.a3 Rd8-+) 25...Rf4 (better 25...Ng3! 26.Qg3 Qe4 27.Kg1 Re8-+) 26.Rfe1 Kg7 27.Rf4 Nf4 28.Qf3 Rd8 (better 28...Qf6-+) 29.Re4-/+ Qh3 30.Qh3 Nh3 31.Kg2 (31.Re7!? Nf2 32.Kg2-/+) 31...Ng5-+ 32.Re5 (32.Re7 Rb8-+) 32...Kf6 33.Re3 Rd4 34.Rg3? (34.a3-+) 34...Rb4 35.a3 Rf4 36.Re3 (36.Rd3 Ne4 37.f3 Nc5-+) 36...Re4 (36...c5 37.a4-+) 37.Rc3 Ne6 38.Rc2 (38.Kf3 Re5-+) 38...Nd4 39.Rb2 (39.Rc3 Re1-+) 39...Nb3 (39...Re5 40.Bc4 b5 41.Bd3-+) 40.Rb3 b6 41.Rf3 Kg7 42.Rc3 Re6 43.Rc4 c5 44.a4 (44.h3 Re5-+) 44...Rd6 45.Rc3 (45.Rc2 Kf6-+) 45...Rd4 46.Re3 (46.Ra3 h6-+) 46...Ra4 47.Re7 a5 48.Rb7 (48.Kf3 b5-+) 48...Rb4 49.Rc7 a4 50.Ra7 c4 51.Rc7 (51.Kf3-+) 51...b5 52.Ra7 (52.Re7 c3 53.Re2 Rb2-+) 52...Rb3 (better 52...c3 53.Rc7 Rc4 54.Re7-+) 53.Ra5 (53.Kf1-+) 53...c3 54.Rb5 Rb5 (54...Rb5 55.Kh1 c2 56.Kg2 c1Q 57.h4 Qc6 58.Kg3 Qc3 59.Kg2 Rb3 60.Kg1 Qh3 61.f3 Rf3 62.h5 Rf1) 0-1. FantasticInspiration (2710) - Arifars17 (2750), Rated Bullet game, lichess.org, 2022. (=1.Nf3 A06: Reti Opening:1 Nf3 d5 1...d5 2.e3 Nf6 3.c4 g6 4.Nc3 Bg7 5.b4 0-0 6.Bb2)

7.d4 Nc3 8.Bc3 c6 9.Be2 Be6 10.Qb3 Nd7 11.cd5 Bd5 12.Bc4 Nb6 13.Bd5 Nd5 14.Bb2 Qd6 15.a3 Rfe8 16.0-0 Nb6 17.Rad1 Qd5 18.Qd5 Nd5 19.g3 Nf6 20.Rfe1 Ne4 21.Nd2 Nd2 22.Rd2 Rad8 23.Red1 e6 24.Kf1 Rd7 25.e4 Red8 26.Ke2 f6 27.d5 cd5-/+ 28.ed5 Rd5 29.Rd5 Rd5 30.Rd5 ed5 31.Kd3 Kf7 32.Bd4 b6 33.a4 Ke6 34.g4 Bf8 35.a5 Bb4 36.ab6 ab6 37.Bb6 f5 38.h3 fg4–+ 39.hg4 Be1 40.f3 h5–+ 41.Bd8 h4 42.Bc7 Bg3 43.Bg3 hg3 44.Ke2 Ke5 45.Kf1 Kf4 46.Kg2 d4 (46...d4 47.Kf1 Kf3 48.Ke1 g2 49.Kd2 g5 50.Kd3 g1Q 51.Kc4 Ke2 52.Kd5 d3 53.Kc6 d2 54.Kd6 d1Q 55.Ke7 Qe3 56.Kf7 Qd6 57.Kg7 Qee7 58.Kg8 Qdd8) 0–1. Fournier,Frederic (2025) – vanxz (1795), Echecs21 (1/12), 2003.

6.Nc3 Bf5

7.Qb3 dc4 8.Bc4 Nbd7 9.d4 Nb6= 10.Be2 a5 11.ba5 Ra5 12.Nd2 (12.0-0 Ra7=) 12...Be6 13.Qc2 c5 14.dc5 Rc5 15.Nb3 Rc8 16.Qb1 (16.Nd4!?=) 16...Nc4-/+ 17.Nd4? (better is 17.Bc4 Bc4 18.Qc2-/+) 17...Nb2–+ 18.Qb2 Qa5 19.Rc1 (19.Ne6 Rc3 20.0-0 fe6 21.Qb7 Rc2–+) 19...Ne4 0–1. Kipker,Rainer (1990) – Wegener,Olaf (2175), Ruhrgebiet–ch, 1998. (=1.c4 Nf6 2.Nc3 d5 3.e3 g6 4.Nf3 Bg7 5.b4 0-0 6.Bb2 Bf5)

7.Qb3 dc4 8.Bc4 Nbd7 9.Nh4 Ne5 10.Nf5 gf5 11.d4 Nc4 12.Qc4 e6 13.h3 c6 14.g4 fg4 15.hg4 Nd5 (15...Ng4 16.Rd1=) 16.Ne4 Qe7 17.g5 (17.a3!?+=) 17...Qb4= (17...Nb4 18.Nf6 Bf6 19.gf6 Qf6 20.Rg1 Kh8 21.Qb4+–) 18.Qb4 Nb4 19.Ke2 Nd5 20.Rag1 Kh8 (20...a5!?=) 21.Rh2 f5 22.Nc5 Rfe8 23.Rgh1 (23.Nb7 Rab8 24.Rgh1 Rb7 25.Rh7 Kg8–+) 23...Rad8 24.Rh7 Kg8 25.f3 (25.Nb7 Rb8-/+) 25...b6 26.Nd3 Rf8 27.R1h4 a5 28.a3 b5 29.e4 fe4 30.fe4 Nb6 31.Rg7 (better is 31.Nc5!? Rde8 32.e5+/–) 31...Kg7= 32.d5 Kg6 33.Rh6 Kg5 34.Bc1 Kg4 35.Ne5 Kg3 36.Rg6 Kh4 (better is 36...Kh3=) 37.Bg5+– Kh5 38.Be3 Kh4 39.de6?? (39.Bb6 ed5 40.Bd8 Rd8 41.Nc6 Re8+–) 39...Nc8? (39...Na4 40.Nf3 Rf3 41.Kf3 Rf8 42.Bf4 Rf4 43.Kf4 Kh5 44.Kf5 Nb2 45.e7 Nc4 46.e8Q Ne3 47.Ke5 Ng4 48.Kf4 Nf2 49.Rc6 Kh4 50.Rh6) 40.Nf7?? Rde8 41.Kf3 Re6 42.Re6 Rf7 43.Bf4 Rh7 44.Rc6 Ne7 45.Rc1 Kh5 46.Rc5 Kg6 47.Rb5 Rh3 48.Bg3 Rh5 49.a4 Nc8 50.e5 Rh1 51.Ra5 Kf5 52.Ra6 Rf1 53.Kg2 Ra1 54.a5 Ne7 55.Ra8 Nd5 56.a6 Nc7 57.Rf8 Ke6 58.Rf6 Ke7 59.Bh4 Ke8 60.Rc6 Na6 61.e6 Ra2 62.Kf1 Ra1 63.Ke2 Ra2 64.Kd1 Ra1 65.Kd2 Ra2 66.Kc1 Ra1 67.Kb2 Ra2 68.Kb1 (68.Kb1 Kf8 69.e7 (69.Ka2?! Nb4 70.Kb3 Nc6+=) 69...Kf7 70.Rf6 (70.Ka2?! Nb4 71.Kb3 Nc6=) 70...Ke7 71.Ra6 Kf7 72.Ka2+–; 68.Ka2?! Nb4 69.Kb3 Nc6=) 1–0. Katalymov,Boris – Jachkind, Soviet Union, 1963.

7.Qb3 c6 8.Be2 Re8 (8...dc4 9.Qc4 b5 10.Qh4=) 9.0-0 e5 10.b5 (10.d4!? e4 11.Ne5=) 10...d4+= 11.Nb1 c5 12.Re1 (12.d3 Nbd7=) 12...Nbd7 (12...d3!? 13.Bd1 e4-/+) 13.d3+= de3 14.fe3 e4 15.de4 Ne4 (worse is 15...Re4 16.Bd3 Re8 17.Bf5 gf5 18.Nc3+=) 16.Bg7 Kg7 17.Nbd2 Ndf6 18.Ne4 Ne4 (worse is 18...Re4 19.Bd3 Rg4 20.Bf5 gf5 21.Rad1+=) 19.Rad1 Qc7 20.Nd2 Qe5 21.Bf3 Rad8 22.Ne4 Be4 23.Rd8 Rd8 24.Be4 Qe4 ½–½. Diekmann – Fellinger, Bezirksklasse Mannheim, 1993.

7.Nd4 e5 8.Nf5+/– gf5 9.cd5 Nd5 10.Qf3 (10.Qb3!? Nc3 11.dc3+/–) 10...Nb4= 11.Qf5 N8c6 (11...Qd7 12.Qe4 Rd8 13.Bc1=) 12.Rd1 (12.a3!? Ne7 13.Qb1+/–) 12...Nd4 13.ed4 ed4 14.Be2 dc3 15.Bc3 (15.dc3 Qf6 16.Qf6 Bf6=) 15...Qd5= 16.Qd5 Nd5 17.Bg7 Kg7 18.0-0 Rad8 19.Bf3 c5 20.Rfe1 b6 21.Bd5 (21.g3 Rd7=) 21...Rd5+= 22.Re7 Rfd8 (22...a5 23.Kf1+=) 23.Ra7= Rd2 24.Rd2 Rd2 25.g4 b5 26.Ra5 Rb2 27.a4?? (27.Kg2 c4 28.Kf3 c3+=) 27...ba4 (better is 27...c4 28.ab5 c3–+) 28.Rc5 a3 29.Ra5 a2 30.Kg2 Kf6 31.h4 Kg7 ½–½. Deveque,Guillaume (1890) – Jaureguiberry,Cedric (2125), Avoine FRA, 2014.

7.Nd4 Bg4 8.f3 e5=.

6.Nc3 Bg4

7.d4 a6 8.Be2 Nc6 9.a3 e6 10.0-0 Qd6 (10...dc4 11.Bc4 Qd6 12.h3+=) 11.Nd2 (11.c5 Qd7+=) 11...Be2= 12.Qe2 h5 (12...Rfd8 13.c5 Qd7 14.Nf3=) 13.Rad1 Ng4 14.Nf3 f5 (14...dc4 15.Qc4 Rfd8 16.Ne4+=) 15.cd5 (15.c5 Qe7+=) 15...ed5 16.h3 Nf6 17.Na4 Rae8 18.Nc5 b6 (18...Nd8 19.Ne5+=) 19.Nd3 (19.Na6 f4+/–) 19...Nd7 (19...f4 20.b5 ab5 21.Nde5 fe3 22.Qe3-/+) 20.Qc2 Nd8 21.Rc1 Ne6 22.Nde5 Ne5 23.de5 Qd7 24.Rfd1 c5 25.Qb3 Rd8= 26.Rd2 c4 27.Qc2 b5 28.Rcd1 Qc6 29.Nh4 Ng5= 30.Bd4 Rfe8 31.f4 Ne4 32.Re2 c3 33.g3 Rc8=+ 34.Rg2 Qe6 35.Rd3 Rc4 36.Nf3= Rec8 37.h4 Bf8 38.Rd1 a5 39.ba5 Ba3 40.Ra1 b4 41.Bb6 Bb2-/+ 42.Rb1 Qc6 43.Nd4 Rd4?? 44.Bd4 Qc4 45.Rb2+/– cb2 46.Qb2 b3 47.a6 Qa6 48.Qb3 Rc1 49.Kh2 Qc6?? 50.Rb2 Kf7 51.Qa2 Qc7 (51...Rc4!?+/–) 1–0. Sviridov,Valentin – Eberth,Z, Balassagyarmat, 1989.

7.d4 b6 8.Be2 Nc6 (8...a5!?=) 9.b5+= Na5 10.cd5 Nd5 11.0-0 Nc3 (11...c5 12.Rc1 Rc8 13.Qa4+=) 12.Bc3+/– Nb7 13.Rc1 Qd7? (13...Qd6 14.Bb2+/–) 14.h3 (better is 14.Ne5!? Be5 15.Bg4 (15.de5?! Qd1 16.Bd1 Bd1 17.Rfd1 Rfd8+/–) 15...Bh2 16.Kh2 Qb5 17.Bf3+–) 14...Be6 15.d5 Bf5? (better is 15...Bd5 16.Bg7 Kg7+/–) 16.Bg7+– Kg7 17.e4! Bh3 18.gh3 Qh3 19.Rc7 Qg4 20.Kh1 Nd6 21.Re7 Ne4 22.Qd4 Nf6 23.Qg4 Ng4 24.d6 Rad8 25.Ng5 Nh6 26.Ne6 Kf6 27.Nf8 Rd6 28.Ra7 Nf5 29.Nh7 Kg7 30.Ng5 Rf6 31.Rd7 Nd6 32.Bd3 Nf5 33.Rc1 Nh4 34.f4! Rf4 35.Ne6 (35...Kf6 36.Nf4+–) 1–0. weBNimzo – DanielMartin, ChessWorld.net, 2004.

7.d4 Nc6 8.b5 Na5 9.cd5 Nd5 10.Rc1=.

7.Be2 Nc6 8.a3 dc4 9.Bc4 Bf3 10.Qf3 e5 11.Rd1 Re8 12.0-0 Ne7 13.d4 ed4 14.Rd4 Qc8 15.Rf4 Nf5 16.g4 Nh4 17.Qg3 g5 18.Rf6 Bf6 19.Nd5 Bb2 20.Nc7 Be5 0–1. Evgenii_777 (1750) – Raghava3007 (1765), lichess.org, 2020.

7.h3 Bf3 8.Qf3 c6 9.d4 dc4 10.Bc4 b5 (better is 10...Nbd7+=) 11.Nb5?? (better is 11.Bb5 a5 12.ba5 Ra5 13.Be2+=) 11...cb5+= 12.Bf7 Rf7 (12...Kf7!? 13.Qa8 Qd6-/+) 13.Qa8= Qb6 (13...Nd5 14.0-0 e6 15.Rac1+=) 14.a3 Rf8 15.Rc1 Nbd7 16.Rc8 Rc8 17.Qc8 Nf8 (better is 17...Kf7!?=) 18.0-0+/– Qd6 19.Qa8 a6 20.Rc1 h6 (20...Qe6 21.Rc8+/–) 21.Rc6 (21.Qc6!? Qd8+–) 21...Qd5+/– 22.Qa6 (22.Bc1+/–) 22...Qb3?? (better is 22...Qa2=) 23.Bc1+– Ne4? (better is 23...Qd3 24.Qb7 N6d7+–) 24.Qb5 Qd1 (24...e6 25.f3 Ng3 26.Kh2+–) 25.Qf1 Qb3 (25...Qh5 26.b5 Nd6 27.a4+–) 26.Qc4 Qc4 27.Rc4 e5 (27...Nd6 28.Rc2 e5+–) 28.de5 Ng5 29.f4 Nge6 (29...Nf7 30.a4 Be5 31.fe5 Ne5 32.Rc8+–) 30.b5 1–0. DEFFM – GuestBKPX, freechess.org, 2017.

7.h3 Bf3 8.Qf3 c6 9.d4+= e6 10.Be2 Qe7 11.a3 Nbd7 12.0-0 dc4 13.Bc4 e5 14.Bb3 Rad8 15.d5 cd5 (15...e4 16.Qe2=) 16.Nd5+= Nd5 17.Qd5 Nb6 18.Qe4 Kh8 19.Rfd1 f5 20.Qc2 Rc8 21.Qe2 Rfd8 (21...e4 22.Bd4+=) 22.e4+/– f4 23.Qb5 Qf6 24.f3 (24.Qa5 Rd1 25.Rd1 Ra8+/–) 24...a6+= 25.Qe2 Qe7 26.Rac1 Rd1 27.Qd1 Rd8 28.Qc2 Qd6 29.Qc5 Qc5 (29...h6 30.a4+=) 30.bc5+/– Nd7?? (better is 30...Na8+/–) 31.Rd1+– Bf6 (31...Bf8 32.Be5! Ne5 33.Rd8+–) 32.Be6 1–0. Matveenko,Y (2140) – Afanaskin,P (1920), 14th FIDE Open, Voronezh RUS, 2010.

7.h3 Bf3 8.Qf3 Nc6 9.cd5 Nb4 10.Rb1=.

7.h3 Bf3 8.Qf3 Ne4 9.cd5 (9.d4 e5 10.Nd5 f5+=) 9...Nc3 (better is 9...Bc3!? 10.dc3 Qd5=) 10.dc3 (10.Bc3 Nd7+/–) 10...c6 (10...Nd7 11.Bc4+=) 11.0-0-0 cd5 (11...Qc7 12.Qf4 Be5 13.Qc4+=) 12.Rd5 Qc8 (12...Qc7!? 13.Qf4 Qf4 14.ef4 Rc8+/–) 13.Rc5+– Qd7 (better is 13...Qe6+–) 14.Bb5 Nc6 15.Rc6 (worse is 15.Bc6 bc6 16.Rd1 Qe6 17.Qc6 Qa2+–) 15...bc6 (15...a6 16.Rd1 Qe8 17.Ba4+–) 16.Bc6 Qe6 (16...Qc8 17.Ba8 Qa8 18.Qa8 Ra8+–) 17.Ba8 1–0. DEFFM – GuestJNNM, freechess.org, 2018.

6.c5 b6

7.cb6 cb6 8.Nc3 Bb7 9.Rc1 Nc6 10.a3 Qd6 11.Nb5 Qd7 12.h3 a6 13.Nbd4 Rac8 14.Nc6 Rc6 15.Nd4 Rc1 16.Qc1 e5 17.Nf3 d4 18.Be2?? Bf3 19.Bf3 e4 20.Bg4? Ng4–+ 21.hg4 de3 22.de3?? Qg4 23.0-0-/+ Qe2 24.Bg7= Kg7 25.Qc3 Kg8 26.Qf6 Qb5 27.Qd4 Re8 28.Rc1 a5 29.Rc7 ab4 30.ab4 Qd3 31.Qb6 Qd1 32.Kh2 Rd8 33.Qf6 Qh5 34.Kg3 Rf8 35.Rc5 Qe2 36.b5 h5 37.Rg5 Rc8 38.b6 Qa6 39.Rg6. vihavald (1660) – glaskacofika (1730), kurnik, 2012.

7.d4 bc5 8.bc5 Ba6 9.Be2 Be2 10.Qe2 c6 11.Nc3 Nbd7 12.0-0 Rb8 13.Rfb1 Re8 14.a4 e5 15.de5 Ne5 16.Nd4 Nc4?? 17.Nc6+/– Qc7? 18.Nb8+– Rb8 19.Ba3 Na3? 20.Rb8 Qb8+/– 21.Ra3 Nd7?? 22.Nd5 Nc5 23.Ne7 Kh8 24.h3?? Bf6?? 25.Nd5 Be5 26.Nc3?? Ne4?? 27.Ne4?? Qb1=+ 28.Qf1 Bh2 29.Kh2 Qf1 30.Rc3 Qa6 31.Nc5 Qd6 32.g3 Kg7 33.Kg2 Qd2 34.Ne4 Qd5-/+ 35.Rc5?? Qe4–+ 36.Kf1 Qa4 37.Rd5 Qc4 38.Kg2 Qd5 (39.Kg1 a5–+) 0–1. GULP – Arete2, Caissa.com, 2004.

7.Be2 bc5 8.bc5 c6 9.0-0 Na6 10.Qc2 Qa5 11.d4 Ne4 12.Nc3 Nb4 13.Qa4 Qa4 14.Na4 Ba6 15.Ba6 Na6 16.Rab1 Rab8 17.Ba3 Nc7 18.Bb4 Rb5 19.Nc3 Nc3 20.Bc3 Rfb8 21.Nd2 Na6 22.a3 f6 23.f4 e5 24.a4 R5b7 25.de5 fe5 26.Be5 Be5 27.fe5 Nc5 28.Rb7 Rb7 29.Rf6 Na4 30.Rc6 Re7 31.e6 Nb2 32.Nb3 Nd1 33.Rc8 Kg7 34.Nd4 Ne3 35.Kf2 Nf5 36.Nf5 gf5 37.Rc6 Kf6 38.Rd6 Ke5 39.Rd7 Re6 40.Ra7 h6 41.Kf3 Kd4 42.Ra4 Kc5 43.Ra5 Kd6 44.Ra6 Ke5 45.Ra5 Rc6 46.g3 Rc3 47.Kf2 Ke4 48.Ra4 d4 49.Ke2 Rc2 50.Kd1 Rh2 51.Ra6 d3 52.Re6 Kf3 53.Rd6 Kg3 54.Rd3 Kg4 55.Rd8 f4 56.Rg8 Kf3 57.Ke1 Re2 58.Kf1 Rh2 59.Kg1 Re2 60.Rg6 h5 61.Rh6 Kg3 62.Kf1 Rh2 63.Rg6 Kf3 0–1. brozal – di0bat, kurnik, 2012.

7.Be2 Nc6 8.b5 bc5 9.bc6 Bb7 10.cb7 e5 11.Be5 d4 12.0-0 d3 13.ba8Q de2 14.Qd8 ed1Q 15.Qf8 Bf8 16.Rd1 Bd6 17.Bf6 Be5 18.Be5 f6 19.Bf6 c4 20.Nc3 a6 21.Ne5 a5 22.Nc4 a4 23.Na4 c6 24.Rab1 c5 25.Rb7 h6 26.Rdb1 g5 27.Nc5 h5 28.Ra7 g4 29.Rb8 1–0. Abdullaevich (1630) – murat5989, lichess.org, 2018.

6.c5 c6

7.a4 b6 8.cb6 ab6 9.b5 c5 10.d4 Ne4 11.dc5 Bb2 12.Ra2 Bg7 13.Nbd2 Nd2 14.Qd2 bc5 15.Rc2 c4 16.Nd4 e5 17.Nf3 Bg4 18.Be2 Ra4 19.0-0 Nd7 20.Re1 Nb6 21.Qc3 e4 22.Nd4 Be2 23.Rce2 Qd7 24.Ra1 Qb5 25.Nb5 Bc3 26.Nc3 Ra1 0–1. axtur777 – Nagnu_i_sunu, lichess.org, 2019.

7.Be2 Nbd7 8.0-0 e5 9.Ne5 Re8 10.d4 Ne4 11.Nd7 Qd7 12.Bf3 f5 13.Nd2 Qf7 14.a4 a6 15.Be2 Bd7 16.Ne4 fe4 17.Bg4 Bg4 18.Qg4 a5 19.b5 cb5 20.ab5 Re6 21.Ba3 Ree8 22.Rab1 Qc7 23.Qg5 Qd7 24.Rfc1 Qc7 25.Qd5 Kh8 26.c6 b6 27.Bd6 Qa7 28.Ra1 Rec8 29.Qe4 Qf7 30.Be5 Kg8 31.Bg7 Qg7 32.d5 Ra7 33.d6 Rf7 34.d7 Rd7 35.cd7 Rc1 36.Rc1 Qd7 37.Qc4 Kh8 38.Qd4 Kg8 39.Qd7 Kh8 40.Rc8 1–0. Abdullaevich (1675) – gordeich, lichess.org, 2018.

7.Be2 Bg4 8.d4 Bf3 9.gf3 Nbd7 10.Nd2 Qc7 11.f4 b6 12.Qc2 a5 13.a3 Rfb8 14.0-0 e6 15.Bc3 ab4 16.ab4 Bf8 17.Ra2 Ra2 18.Qa2 Be7 19.Ra1 Kg7 20.Qc2 h6 21.Kh1 Rh8 22.Rg1 Kf8 23.Nf3 Ne4 24.Bd3 Nc3 25.Qc3 b5 26.Bc2 Bf6 27.Qa3 ½–½. Matlak,M – Nowak,I, Bydgoszcz, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.c5 c6)

6.d4 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 Ne4 10.Nc3= Nc3 11.Bc3 c6 (11...Nd7 12.c5=) 12.Be2 Bg4 (12...Nd7 13.0-0=) 13.c5 Nd7 14.0-0 (14.h3 Bf3 15.Bf3 e5=) 14...Qc7 (better 14...Nf6=) 15.b5 (15.h3 Bf5=) 15...Ra8 (15...Nc5!? 16.h3 Ne4-/+) 16.b6 (16.Qb3 e5 17.h3 ed4 18.ed4 Bf5=) 16...Qd8=+ 17.Qb3 (17.Qc2 e5 18.h3 ed4 19.ed4 Bf5=) 17...e5 18.h3 (worse 18.de5 Nc5 19.Qb4 Ra4-+) 18...Be6 (better 18...ed4 19.Bd4 Bf3 20.Bf3 Bd4 21.ed4 Nf8=+) 19.Ra1?? (better 19.Qb2=) 19...Ra1-/+ 20.Ba1 e4 21.Nd2 (21.Ne5 Qa8 22.Qd1 Be5 23.de5 Qa3-+) 21...Nc5! 22.Qb4 (22.dc5 Ba1 Pinning (22...Ba1 Deflection)) 22...Nd7-+ 23.Qd6?? (23.Bc3 Qb6 24.Qa4 Bf8-+) 23...Qb6 (better 23...Qa8!? 24.Bc3 Bf8 25.Qc7-+) 24.Bc3? (24.Qa3 Bf8 25.Qc1 Qa5-+) 24...c5 (24...Bf8!? 25.Qg3 Bb4 26.Bb4 Qb4 27.Nf1-+) 25.Qb6 Nb6 26.Ba5 (26.Bb5 c4-+) 26...Nd7 (26...Nc4!? 27.Bc4 dc4 28.Ne4 cd4 29.ed4 Bd4 30.Bc3 Bc3 31.Nc3-+) 27.dc5 Nc5 28.Bb4 (28.Bb5 Bd7 29.Bd7 Nd7-+) 28...Bf8 (28...b6 29.Bb5-+) 29.f3 (29.Nb1-+) 29...Nb3! 30.Bf8 (30.Nb3 Bb4 Discovered attack) 30...Nd2 (30...Nc1 31.Bf1 Kf8 32.fe4-/+) 31.Bb4 Nb3 32.Bd1 Nc1 33.Bd2 (33.Ba3 Nd3-/+) 33...Nd3 34.Be2 Ne5 (34...Nc5 35.fe4 de4 36.Bc3-+) 35.fe4 (35.Bc3!? Nd7 36.Bb5-/+) 35...de4-+ 36.Bc3 Nc6 (36...f6 37.Kf2-+) 37.Kf2-/+ Kf8 38.Kg3 (38.g4 Ne7-/+) 38...Ne7 39.Bb4 Ke8 40.Bb5 (40.Bc5 g5-/+) 40...Bd7-+ 41.Bc4 (41.Be2 b5-+) 41...g5 (41...b5 42.Be2-+) 42.Kf2 Nc6 (42...b5 43.Be2-+) 43.Bd6 (43.Bc3 Na7-/+) 43...Be6 (43...Na7 44.Be5-/+) 44.Bb5 Kd7 45.Bc5 Kc7 46.Kg3 (46.Bc6 Kc6 (worse 46...bc6 47.Be7=+) 47.Be7 g4-/+) 46...Ne5 Black prepares the advance g4 47.h4 (47.Be7 h6-/+) 47...h6 (47...gh4 48.Kh4 Bc4 49.Ba4-+) 48.hg5 hg5 49.Be7 Bd7 (49...Kb6 50.Be2 g4 51.Bf6-+) 50.Be2 (50.Bf6!? Nd3 51.Bc4-/+) 50...g4-+ 51.Bb4 f5 (51...Kc6!?-+) 52.Kf4-/+ Nc6 53.Bc3 (53.Ba3 Na5-/+) 53...Kd6 54.Bb5 Kc5 (better 54...Ne7 55.Bd7 Kd7-/+) 55.Be2? (better 55.Bc6 bc6 56.Be5=) 55...b5-+ 56.Bb2 (56.Bg7 b4 57.Bf8 Kd5-+) 56...b4 57.Kg5? (57.Bd1 Na5 58.Bf6 Kc4 59.Be2 Kb3-+) 57...b3 58.Kf6 (58.Kf4 Nb4 59.Ba3 Kd5-+) 58...Na5 59.Bd4 (59.Ba3 Kd5 60.Bd1 Bc8-+) 59...Kb4 60.Ke7 (60.Ba1 Bc8 61.Bd4 Ka3-+) 60...Bc8 (better 60...Nc6 61.Kd7 Nd4 62.ed4-+) 61.Kd8 (61.Kd6 Ka3 62.Kc5 Be6-+) 61...Bb7 (better 61...Nc6 62.Kc8 Nd4 63.ed4 b2-+) 62.Kd7 (62.Bg7 Bd5 63.Bd1 g3-+) 62...Bd5 (62...Nc4 63.Bd1-+) 63.Kd6 (63.Ba6 Nc4 64.Kd8 Ne3-+) 63...Bc4 64.Ke5 (64.Bd1 Bf1 65.Bb3 Nb3 66.Be5 Bg2 67.Kd5-+) 64...Be2 (better 64...Nc6 65.Kf5 Nd4 66.ed4 Be2 67.Ke4 b2-+) 65.Kf5 Nc4 66.Ke4 b2 67.Bb2 Nb2 68.Kf5 (68.Kd4 Nc4-+) 68...Kc5 69.e4 (69.Ke5 Nc4 70.Ke4 Bd1-+) 69...Kd6 70.e5 Ke7 71.Kf4 Nc4 72.Kg3 Ne5 (72...Ke6 73.Kf2 Bd1 74.Ke1 Ke5 75.Kf2 Kf5 76.Kg3 Ne3 77.Kf2 Ke4 78.g3 Kd3 79.Ke1 Kc3 80.Kf2 Kd2 81.Kg1 Ke2 82.Kh2 Kf2 83.Kh1 Bf3 84.Kh2 Nf1) 73.Kf4 Ke6 74.Kg3 Kf5 75.Kh2 Kf4 76.Kg1 (76.g3 Kf3 77.Kg1 Kg3 78.Kh1 Bf1 79.Kg1 Bh3 80.Kh1 Bg2 81.Kg1 Nf3) 76...Bb5 (76...Kg3 77.Kh1 Nf3 78.gf3 gf3 79.Kg1 f2 80.Kh1 f1Q) 77.Kf2 Bc6 (77...g3 78.Ke1 Bc6 79.Kd1 Bg2 80.Ke2 Bc6 81.Kd2 g2 82.Kc1 g1Q 83.Kc2 Qc5 84.Kb2 Bd5 85.Kb1 Nd3 86.Ka1 Qg1) 78.Kg1 Ng6 79.Kf2 (79.Kf1 g3 80.Ke2 Bg2 81.Kd3 Be4 82.Kd4 g2 83.Kc5 g1Q 84.Kc4 Ne5 85.Kc3 Qb1 86.Kd2 Qb2 87.Ke1 Ke3 88.Kd1 Qd2) 79...Kf5 (79...g3 80.Ke2 Bg2 81.Kd3 Be4 82.Kc4 Ne5 83.Kc3 g2 84.Kb4 g1Q 85.Kb3 Qb6 86.Kc3 Nd3 87.Kd2 Qb2 88.Kd1 Bf3) 80.Kg3 Nf4 81.Kh2 Ng2 82.Kg3 (82.Kh1 Nf4 83.Kg1 g3 84.Kf1 g2 85.Ke1 g1Q 86.Kd2 Qc5 87.Kd1 Qf2 88.Kc1 Nd3 89.Kd1 Bf3) 82...Nf4 83.Kh2 (83.Kf2 Kg5 84.Kf1 g3 85.Ke1 g2 86.Kd1 g1Q 87.Kd2 Qc5 88.Kd1 Qf2 89.Kc1 Nd3 90.Kd1 Bf3) 83...Ng6 84.Kg3 (84.Kg1 g3 85.Kf1 g2 86.Kg1 Nf4 87.Kf2 Be4 88.Kg1 Nh3 89.Kh2 g1Q 90.Kh3 Bd5 91.Kh4 Qg4) 84...Kg5 85.Kf2 (85.Kh2 Kh4 86.Kg1 g3 87.Kf1 Kh3 88.Ke2 g2 89.Kf2 Kh2 90.Ke1 g1Q 91.Kd2 Qc5 92.Kd3 Nf4 93.Kd2 Be4 94.Ke1 Qd4 95.Kf1 Qg1) 85...Kh4 86.Kg1 (86.Ke3 g3 87.Ke2 g2 88.Kd3 Nf4 89.Ke3 g1Q 90.Kd2 Qc5 91.Kd1 Bf3 92.Kd2 Kg3 93.Ke1 Qf2) 86...Kg3 87.Kf1 Kh2 88.Ke2 (88.Ke1 g3 89.Kd1 g2 90.Ke2 g1Q 91.Kd2 Qc5 92.Kd1 Bf3 93.Kd2 Nf4 94.Ke1 Qc2 95.Kf1 Qe2) 88...g3 89.Ke3 (89.Kd3 g2 90.Kc4 g1Q 91.Kc3 Qc5 92.Kb2 Nf4 93.Kb3 Bd5 94.Ka4 Qb6 95.Ka3 Qb3) 89…g2 (89...g2 90.Kd3 g1Q 91.Kc2 Qc5 92.Kd2 Be4 93.Ke1 Qc1 94.Kf2 Qd2 95.Kf1 Bd3) 0-1. Dubnikova,Anastasia (2195) - Papp,Petra (2335), Women's Speed Chess Q1, 2021. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 a5)

7.a3 ab4 8.ab4 Ra1 9.Ba1 Bf5 10.Nc3 Nc6 11.Qb3 dc4 12.Bc4 Qd6 13.Ne5 Ne5 14.de5 Qe5 15.0-0 Ng4 16.g3 c6 17.Ne2 Qe4 18.Nc3 Qc2 19.Qc2 Bc2 20.Rc1 Ra8 21.Bb2 Bf5 (21...Ne5!? 22.Be2 Bd3 23.Kf1–+) 22.Be2 Nf6 23.f3 Nd5 24.e4 Bd4 25.Kh1 Bc3 26.Bc3 Nc3 27.Rc3 Bh3 28.Kg1 Ra1 29.Kf2 Rh1 30.b5 Rh2 31.Ke3 cb5 32.Rb3 (better is 32.Rc7!?-/+) 32...Be6–+ 33.Rb4 Rg2 34.Bb5 Rg3 35.Be2 Bc8 36.Rd4 Kg7 37.Rd8 Be6 38.Rb8 h5 39.Rb7 Kf6 40.Kf2 Rg5 41.Rb1 Rc5 42.f4 Bc8 43.Rb6 Kg7 44.Rb3 (44.Rb8 e5 45.fe5 Be6–+) 44...e5 45.fe5 Re5 46.Re3 Bb7 0–1. Champion,William R – Bortolin,Bruno, corr WT/M/GT/278 ICCF, 1990. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 a5)

7.b5 a4 8.a3 dc4 9.Bc4 Nbd7 10.Nc3 Nb6 11.Ba2 Nfd5 12.Nd5 Nd5 13.0-0 Ra5 14.Qe2 Bg4 15.Bc4 Nb6 16.Bd3 Qd5 17.Rac1 Rc8 18.Rc5 Bf3 19.gf3 Qd6 20.Be4 Ra7 21.Rfc1 Nd7 22.R5c2 f5 23.Bd3 c5 24.Bc4 Kh8 25.dc5 Nc5 26.Rd1 Qb6 27.Rcd2 Bb2 (better 27...Raa8+=) 28.Rd8 (28.Rb2?! Qf6=) 28...Rd8 29.Rd8 (29.Qb2?! Qf6 30.Rd8 Kg7+-) 29...Kg7 30.Qb2 (30.Rg8 Kh6 31.Qf1 Qd8 32.Qh3 Kg5 33.f4 Kf6 34.Qh4 g5 35.Qg5) 30...Qf6 31.Rg8 (31.b6!? Qb2 32.ba7+-) 31...Kh6+/- 32.Qf6 ef6 33.Rc8 b6 34.Rc6 Rb7 35.Rf6 Kg7 36.Rd6 Kf8 37.Bd5 (37.Rc6 Nb3+/-) 37...Rd7 38.Rd7 Nd7 39.Kf1 Ke7 40.Ke2 Kd6 41.Bc4 Kc5 42.Bd3 Ne5 43.f4 (43.h4 Nc4 44.Bc4 Kc4=) 43...Nc4+= (worse 43...Nd3 44.Kd3 Kb5 45.Kd4+=) 44.Bc4 Kc4 45.f3 Kb3 46.Kd3 Ka3 47.Kc3 Ka2 48.e4 a3 49.Kc2 (49.Kc2 Ka1 50.e5 g5 51.e6 h6 52.e7 Ka2 53.e8Q gf4 54.Qe1 h5 55.Qb1) 1-0. Gasa,Patrik (2185) - Jablonicky,Martin (2340), Skalica SVK, 2019. (=1.Nf3 g6 2.c4 Bg7 3.e3 Nf6 4.d4 0-0 5.b4 d5 6.Bb2 a5 7.b5)

7.b5 a4 8.Be2= Bf5 9.0-0 Nbd7 10.Ba3 Nb6 11.Nbd2 dc4 12.Nc4 Nbd5 13.Qd2 Ne4 14.Qb2 Rb8 15.Rac1 c6 16.Ncd2 Nd6 17.bc6 bc6 18.Qa1 Nb5 (18...Qc7 19.Ne5 Bd7 20.Bf3+=) 19.Bc5 Be6 20.a3 Qd7 21.Rfe1 Rfd8 22.Nc4 f6 23.Bd1 Nd6 24.Nb2 (24.Nfd2 Qc7=) 24...Ne4 (24...Qc7 25.Na4 g5 26.g3+=) 25.Na4 Bg4 (25...Bf5 26.Nh4 Be6 27.Nf3=) 26.Qa2= Be6 27.Bb3 Bh6 (27...Qc7 28.Bc2 Nd6 29.Bd6 Qd6 30.Nc5+/–) 28.Bb6+= Rf8 (28...Rb6 29.Nb6 Combination; 28...Nb6 29.Be6 Double attack (29.Be6 Pinning; 29.Be6 Deflection)) 29.Nc5 Nc5 30.dc5 Bf7 31.a4 e5 (31...Kh8 32.Rcd1 Qg4 33.Rd4+–) 32.a5 Ra8 (32...Kg7 33.Qa4+–) 33.Qa4 Kg7 (33...Rfb8 34.Red1+–) 34.Red1+– Qb7 35.Nd2 Rfb8 (35...Bg8 36.Rc2+–) 36.Ne4 Be6 (36...Bg8 37.Rb1 Be6 38.Bd8+–) 37.Bc4 White plans a6 37...Qd7 (37...f5 38.Nd6 Qe7 39.Qc6 Ne3 40.Be6 Qe6 41.Qc7 Kg8 42.fe3 Be3 43.Kh1 Bc1 44.Rc1+–) 38.a6 Re8 (38...f5 39.Nc3 Qe8 40.a7 (40.Bd5?! cd5 41.Ra1 Qa4 42.Ra4 d4 43.ed4 Bb3+–) 40...Nc3 41.Rc3+–) 39.a7 Re7 (39...Rf8 40.Rb1+–) 40.Bd5 Bd5 41.Nc3 Qb7 (41...Qe6 42.Rb1+–) 42.Nd5 cd5 43.Rb1 d4 (43...Re6+–) 44.c6 Qc8 45.ed4 ed4 46.Rd4 Qf5 (46...Qe6 47.Rd7 Bg5 48.h4 Bh4 49.Rbd1+–) 47.Rbd1 Qe6 (47...Ree8 48.c7 g5 49.Rd8+–) 48.Rd7 Bd2 (48...Kf7 49.c7 Bd2 50.Re7 (worse is 50.R7d2 Qe1 51.Re1 Re1#) 50...Qe7 51.Qa2 Qe6 52.Qd2+–) 49.Qb5 (49.R7d2?? Qe1 50.Re1 Re1) 49...Kh6 (49...h5 50.R7d2 g5 51.Rd7+–) 50.R7d2 1–0. yzerman123 (2260) – cachisss (1925), gameknot.com, 2015.

7.b5 b6 8.cd5 Bb7 9.Nbd2 Nd5 10.Rc1 a4 (10...c5 11.Nc4=) 11.a3+= c5 12.bc6 Nc6 13.Bb5 Na5 (13...Qd7 14.0-0 Rfc8 15.h3+=) 14.Qa4+– e6 (14...Nc7 15.Be2+–) 15.0-0 h5 (15...Qd6 16.Rfd1+–) 16.Rc2 h4 17.h3 g5 18.Rd1 g4? (better 18...f6+–) 19.hg4 h3 20.gh3 Ne3 (20...Bh6 21.Rf1 f5 22.gf5 Ne3 23.fe3 Be3 24.Kh2 Bd5+–) 21.fe3 Bf3 (21...Bd5 22.Qb4 f5 23.g5+–) 22.Nf3 1–0. Odvendel – embebe, internet, 2021.

7.b5 c5 8.a4 b6 (8...Ne4 9.Qc2=) 9.Bd3 (9.dc5 bc5 10.cd5 Bb7+=) 9...dc4 10.Bc4 cd4 11.Nd4 (11.Bd4 Bf5=) 11...Bb7 12.0-0 Nbd7 13.Nd2 Rc8 14.Rc1 Nc5 15.N2f3 Nfe4 16.Ba1 e6 17.Ne2 (17.Qc2 Nd6=+) 17...Qe7 (better 17...Qd1!? 18.Rfd1 Na4-/+) 18.Bg7= Kg7 19.Qd4 (19.Qc2 Nd6=) 19...f6 20.Rfd1 (20.Rcd1 Rfd8 21.Qa1 Rd1 22.Qd1 e5=+) 20...e5 (better 20...Rfd8 21.Qa1 Rd1 22.Rd1 Nf2 23.Kf2 Ne4 24.Kg1 Rc4-/+) 21.Qd6?? (better 21.Qa1=) 21...Qd6 (better 21...Nd6 22.Bd5 Na4 23.Ra1 Bd5 24.Rd5-+) 22.Rd6 Rc7 (better 22...Nd6 23.Nd2 Na4-+) 23.Rb6= Na4 24.Rb7 Rb7 25.Bd5 Nec5 26.Bb7 Nb7 27.Rc7 Rf7 28.Rf7 (28.Rc1!?=) 28...Kf7=+ 29.Kf1 Nd6 30.Ke1? (better 30.Nd2=+) 30...Nb5-+ 31.Kd2 Ke6 32.e4 (32.Ne1 f5-+) 32...Kd6 (32...Nc5 33.Ke3-+) 33.Ne1 Kc5 34.Nd3 Kc4 35.Nec1 Nd4 36.f4 (36.h4 Nb6-+) 36...Nb3 (better 36...ef4 37.Nf4 Nc3-+) 37.Nb3-/+ Kb3 38.fe5 fe5 39.Ne5 Nb6 (39...Nc5 40.Nc6 a4 41.Na5 Kb4 42.Nc6 Kb5 43.Nd8 Ne4 44.Kc2-+) 40.Nc6 (40.Kc1!?=+) 40...a4-/+ 41.e5 a3 42.Nd4? (better 42.Kc1 a2 43.Nd4 Kc3 44.Nc2-/+) 42...Kb2-+ 43.e6 a2 44.Nc2 Nd5 45.g4? (better 45.h4-+) 45...Ne7 (45...g5 46.h3 h6 47.Na1-+) 46.Kd3?? (better 46.g5-/+) 46...g5-+ 47.h3 h6 48.Kd2 Nc6 49.Kd3 Nb4!! 50.Kd2 (50.Nb4 a1Q Combination). Valerian_Mengsk (2490) - Sensei64 (2525), Rated bullet game, lichess.org, 2020. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.c4 g6 3.e3 Bg7 4.d4 0-0 5.b4 d5 6.Bb2 a5 7.b5)

7.b5 Be6 8.Nbd2+=.

7.b5 Bg4 8.c5 e5 (8...a4 9.Bd3=) 9.h3 (9.de5!? Ne4 10.Be2+=) 9...Bf3+= 10.Qf3 ed4 11.Bd4 Re8 (11...Ne4 12.Qd1+=) 12.Be2 (12.Nc3 Nbd7 13.Rd1 c6=) 12...Nbd7 (12...Ne4 13.Nd2 Nc5 14.Bg7 Kg7 15.Rc1+=) 13.0-0 (13.Nc3 Nc5 14.0-0-0 Nce4 15.Bf6 Nf6 (15...Qf6?! 16.Qf6 Bf6 17.Nd5=) 16.Nd5 Nd5 17.Rd5 Qe7-/+) 13...Ne5 (13...Ne4 14.Bg7 Kg7 15.c6 bc6 16.bc6-/+) 14.Be5 (better is 14.Qf4!?=) 14...Re5+= 15.Bd3? (better is 15.Nd2!? Ne4 16.Ne4+=) 15...Ne4–+ 16.Be4? (16.Qe2 Rf5 17.Be4 de4–+) 16...Re4?? (better is 16...de4 17.Qe2 Rc5–+) 17.Nd2-/+ Ba1 18.Ne4 de4 19.Qe4 Bg7 20.Qb7 Rb8 21.Qc6 Qf6 (21...Be5 22.f4 Bc3 23.f5–+) 22.Qc7 Rb5 23.a4 Rb2 24.Qa5 h5 (24...Bf8!?-/+) 25.Qc7 Rc2 26.a5 Qc3?? (better is 26...Bf8!? 27.Qb6 Qe5-/+) 27.a6 (27.Qb8 Bf8 28.a6+–) 27...Qa5?? Attacks the isolani on c5 (27...Qc5 28.Qb8 Qf8+/–) 28.Qb8 (better is 28.Qa5 Bc3 29.Qa4+–) 28...Kh7+/– 29.a7 Ra2 30.c6 Qa7?? (better is 30...Be5+–) 31.c7 1–0. pumpkin (2325) – abhailey (2335), net–chess.com, 2009. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 a5 6.b5 d5 7.d4 Bg4)

7.b5 h6 8.Nc3 Be6 9.cd5 Nd5 10.Nd5 Qd5 11.Ba3 Re8 12.Nd2 c6 13.Qf3 cb5 14.Qd5 Bd5 15.Bb5 Bg2 16.Be8 Bh1 17.f3 Na6 18.Bd7 (18.Ba4 Bg2 19.Kf2 Bh3 20.Be7 Be6+=) 18...e6 19.Rb1 Nb4 20.Kf2 Rd8 (20...Na2!? 21.Bc5 Nc3 22.Rh1 Rd8+/–) 21.Bb4+/– ab4 22.Bb5 e5 23.Rh1 ed4 24.e4 Rc8 25.Bc4 Rc5 (25...Be5!? 26.Bb3 b5+/–) 26.Rb1+– b5 27.Bd3 Rh5 28.Nf1 Be5? (better is 28...Bf8+–) 29.Rb4 Bh2 30.Rb5 (30.Rd4 Kf8+–) 30...Be5 (30...Rb5 31.Bb5 Bc7 32.Nd2+–) 31.a4 Bc7 32.Rh5 gh5 33.Nd2 (33.Ng3 h4 34.Nf5 h3+–) 33...Kg7 34.Nc4 Kf6 35.a5 Kg5 (35...Bb8+–) 36.a6 Bb8 37.Nd6! 1–0. Vrhovnik,Damir (2095) – Mihalinec,Damir (2235), 19th Zadar Open B, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 d5 5.e3 Bg7 6.Bb2 0-0 7.d4 h6)

7.b5 dc4

8.Na3 Be6 9.Nc4 Nbd7 10.Rc1 Bc4 11.Bc4 Nb6 ½–½. Koroljova,Valerija (2195) – Andreeva,Natalija (2140), RUS–ch U20 Girls, 1998. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d5 5.c4 0-0 6.d4 a5 7.b5 dc4)

8.Bc4 a4 9.0-0 Ne4 10.Bd3 Nd6 11.Qe2 Bd7 12.Rd1 c6 13.bc6 Nc6 14.d5 Bb2 15.Qb2 Na5 16.e4 Rc8 17.Ne5 f6 18.Nd7 Qd7 19.Nd2 Nac4 20.Nc4 Nc4 21.Qb4 Nd6 22.Rab1 Rc7 23.f4 Rfc8 24.Qd4 White plans e5 (24.e5!? Nc4 25.Bc4 Rc4 26.Qb7+/–) 24...Qg4+= 25.Qf2 e5 26.de6 Qe6 27.Qd4 b5 (27...a3!?=) 28.e5+/– fe5 29.fe5 Nf7 30.Bb5 Rc2?? (better is 30...Qa2 31.e6 Qe6+/–) 31.Ba4+– R2c4 32.Bb3 Rd4 33.Be6 Rd1 34.Rd1 Re8 35.Bb3 1–0. Kaenel,Hansjuerg – Herzog,Adolf, Winterthur U20, 1974. (=1.Nf3 g6 2.d4 Nf6 3.b4 Bg7 4.e3 0-0 5.Bb2 d5 6.c4 a5 7.b5 dc4)

8.Bc4 b6 9.0-0 Bb7 (9...c6 10.Nc3 (10.Ne5 cb5 11.Bb5 Ba6 12.Nc3 Bb5 13.Nb5+=) 10...cb5 11.Bb5 Bd7 12.Qe2 Nc6 13.Rac1+/–; 9...a4 10.Nc3 (10.Qe2 Bb7 11.Nc3 Ne8 12.Ba3 Nd6 13.Rac1+=; 10.Ba3 Ne4 11.Nbd2 Nd6 12.Bd3 c6 13.Bd6+=) 10...Qd6 11.Qe2 a3 12.Bc1 Bg4 13.h3+/–) 10.Nbd2 (10.Nc3 Ne8 11.Ne5 Nd6 12.Bd3 e6 13.Qe2+/–; 10.Qe2 Ne4 11.Nc3 Nd6 12.Bb3 Nd7 13.e4+=) 10...Ne4 (10...c6 11.Rc1+= cb5 12.Bb5 Na6 13.Qb3+/–; 10...Nbd7 11.Qc2 Rc8 12.Rac1 c5 13.bc6+=) 11.Qc2 (11.Ne4 Be4 12.Ne5 (12.Ng5 Bd5 13.Qd3+=) 12...Nd7 (12...c6+/– 13.Rc1+/–) 13.f3+=) 11...Nd6 (11...Nd2 12.Nd2 Nd7 13.f3+=) 12.Bd3 (12.a4 c6 13.Bd3=) 12...a4 (12...c6 13.a4+=) 13.Rac1+/– (13.Rfc1+/–) 13...Bf3 (13...c6 14.bc6 Bc6 15.a3+/–) 14.Nf3 (14.gf3?! Ra7+=) 14...Ra7 15.Ne5 (15.a3+/–) 15...Be5 (15...Qe8!? 16.Qe2 f6+/–) 16.de5+– Ne8 17.e6! f5 (17...fe6 18.Bg6) 18.e4 f4 19.g3 (19.Rfd1 a3 20.Ba1 Qc8+–) 19...f3 (19...c5 20.bc6 a3 21.Ba1 Nc6 22.Qc3+– (22.Qc6?! Qd3 23.Be5 fg3+=)) 20.Rfd1 c5 (better is 20...a3 21.Be5 Qc8+–) 21.Bc4 Qc8 22.Qc3 (22.Rd7 Rc7 23.Be5 a3+–) 22...Rf6 23.Rd3 (23.Rd7 Rc7 24.Qd2 Rf8+–) 23...Nd6 (23...a3 24.Ba3 h6+–) 24.Rd6 (24.Rd6 Kg7 25.Qf3+–) 1–0. Wall,Bill – Morgan,Mike, Wichita Falls, 1971.

8.Bc4 b6 9.Nc3 A) 9...c6 10.Ne5 (10.0-0 cb5 11.Bb5 Bd7 12.Rc1 Bb5 13.Nb5+=) 10...cb5 11.Bb5 Bb7 12.0-0 Nfd7 13.Nc4 +/–; B) 9...Nbd7 10.0-0 (10.Qc2 Bb7 11.0-0 e6 12.e4 c6 13.bc6+=; 10.Qd3 Bb7 11.e4 Nh5 12.0-0 e5 13.Qd2+=; 10.Qe2 Bb7 11.h4 e6 12.e4 Rc8 13.0-0+=; 10.Qb3 e6 11.h4 Bb7 12.Be2 Re8 13.Rd1+=) 10...Bb7 11.Ba3 Re8 12.e4 e6 13.Qd3+/–; C) 9...Bb7 10.0-0 c6 11.Ne5 cb5 12.Bb5 Na6 13.Rc1+/–.

8.Bc4 c5 9.0-0 Bg4 10.Nbd2 (10.h3 Bf5+=) 10...Nbd7 11.h3 Bf5 12.a4 Nb6 13.Be2 cd4 14.Nd4 (worse 14.ed4 Rc8-/+) 14...Bd7 15.Qb3 e5 16.N4f3 Be6 17.Qa3 e4 18.Nd4 Rc8 (18...Bd5 19.Rac1+=) 19.Ne6+/- fe6 20.Rfd1 Nbd5 21.Nc4 h5 22.Ne5 (22.Rd2 Ne8+/-) 22...Qe8 (better 22...Rc2!? 23.Ng6 Re2 24.Nf8 Qf8 25.Qf8 Kf8=) 23.Rac1+/- Kh7 (23...Rc1 24.Rc1 Nd7 25.Nd7 Qd7 26.Bc4+/-) 24.Nc4 b6 (better 24...Qd8!?+/-) 25.Nd6+- Qd7 (25...Rc1 26.Ne8 (26.Rc1?! Qe7+/-; 26.Bc1?! Qe7+=) 26...Rd1 27.Bd1 Re8 28.Bf6 Nf6 29.Qd6+-) 26.Nc8 Rc8 27.Rc8 Qc8 28.Rc1 Qe8 29.Be5 Nd7 30.Bg7 Kg7 31.Qb2 Kh6 32.Bc4 Nc5 33.Bd5 ed5 34.Qd4 (34.Qf6 Qb8+-) 34...Qe7?? (better 34...Nb3 35.Qb6 Nc1+=) 35.Qd5 (35.Rc5 bc5 36.Qh8 Kg5 37.h4 Kf5 38.Qc8 Qe6 39.Qf8 Qf6 40.Qf6 Kf6+-) 35...Nd3 (35...Kg7 36.Rc5! bc5 37.b6+-) 36.Rc6 Qf8 (36...Nb4 37.Qd4 Qg7 38.Qg7 Kg7 39.Rb6+-) 37.f3 (better 37.Qe4 Qf2 38.Kh2+-) 37...Qb4 (37...Nb4 38.Qd6 Qd6 39.Rd6 Nd3+-) 38.Qe6 (38.Qg8 Qb1 39.Kh2 Qh1 40.Kh1 Nf2 41.Kh2 Ng4 42.hg4 Kg5 43.Qg6 Kh4 44.Qh5) 38...Qe1 39.Kh2 Ne5 (39...Qg1 40.Kg1 Nf4 41.ef4 Kg7 42.Qf6 Kg8 43.Rc8 Kh7 44.Rh8) 40.Qe5 ef3 (40...Qg3 41.Qg3 Kg7 42.Qg6 Kf8 43.Re6 ef3 44.Re8) 41.Qf4 (41.Qh8 Kg5 42.Qf6 Kh6 43.Qg6) 41...Kg7 42.Rc7 Kg8 43.Qf7 Kh8 44.Qg7 1-0. Jaymarc_Gutierrez (2615) - filmer75 (2765), Rated bullet game, lichess.org, 2023.

8.Bc4+= Bg4 9.h3 Bf3 (9...Bf5 10.g4 Be6 11.Be6 fe6 12.Nc3+=) 10.Qf3+/– (< 10.gf3 Nbd7=) 10...c6 11.0-0 Qb6 (11...Qd7 12.Nc3+/–) 12.Nc3 cb5 13.Bb5 Nc6 14.Rab1 Nb4 (14...Rac8 15.Rfc1+/–) 15.a3 (15.Ba1 Qc7+/–) 15...Nc6 16.Rfc1 Rac8 17.Ba1 Qd8 (17...Qc7 18.Na4+/–) 18.Na4 Nd5 (18...Qd6!?+/–) 19.Bc4+– e6 20.Rb7 Nce7 (20...Qg5 21.Bb2+–) 21.Nc5 Nb6 22.Be2 Ned5 23.Rb1 (23.Rb1 Na8 24.e4+–; 23.e4 Nf6+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Bc4 c6

9.a4 cb5 10.ab5 b6 11.0-0 Bb7 12.Nbd2 Nbd7 13.Qb3 Ne4?? (better is 13...e6+=) 14.Ne4+– Be4 15.Ng5 a4 16.Nf7 (better is 16.Bf7 Kh8 17.Ra4 Ra4 18.Qa4+– (18.Ne4?! Qa8 19.Bd5 Qa5+–)) 16...ab3?? (16...Rf7 17.Bf7 Kf8+–) 17.Nd8 Kh8 18.Ra8 Ba8 19.Ne6 Rc8 20.Bb3 Nf6 21.Ng7 Kg7 22.Rc1 Rc1 23.Bc1 Bd5 24.Bd5 Nd5 25.Bd2 Nc7 26.Kf1 Nb5 27.Ke2 Kf7 28.Kd3 Ke6 29.e4 Nc7 30.d5 Kd7 31.f4 e6 32.de6 Ne6 33.g3 Nc5 34.Ke3 Ke6 35.Bb4 Nd7 36.g4 Nf6 37.h3 h5 38.f5 Kf7 39.Kf4 hg4 40.hg4 g5 41.Kg5 Ne4 42.Kf4 Nf6 43.g5 Nd5= 44.Ke5 Nb4 45.Kd6 1–0. ferminkatcho (1780) – sallytessio (1700), kurnik, 2012.

9.a4 cb5 10.ab5 b6 11.0-0 Bb7 12.Nbd2 Nbd7 13.Qb3 e6 14.Rfe1 Nd5 15.Rac1 (15.Ba3 Re8+/–) 15...N7f6 16.Ne5 Rc8 17.Ba3 Re8 18.Rc2 (18.Bd3!?+/–) 18...Nd7+= 19.Ndf3 f6? (better is 19...Ne5!? 20.Ne5 Be5 21.de5 Qg5+=) 20.Nc6+– Bc6 21.bc6 Rc6 22.e4 Nf4 23.d5 Rc8?? 24.de6+– Ne6 25.Be6 Kh8 26.Rc8 Qc8 27.Rd1 Rd8 28.Be7 Nc5 29.Rd8 Qd8 30.Bd8 Nb3 31.Bb3 1–0. ferminkatcho (1790) – janjanin (1875), kurnik, 2012.

9.a4 cb5 10.ab5 Bf5 11.0-0=.

9.a4 Bf5 10.Nc3 cb5 11.Bb5 Nc6 12.0-0 Rc8 13.Qe2 Bg4 14.h3 Bf3 15.Qf3 (15.gf3?! Qd7 16.Kg2 Rc7=) 15...Qb6 16.Rab1 Nb4 17.Rfd1 Rfd8 18.Ba1 e6 19.Rd2 Rc7 20.Ne4 Ne4 21.Qe4 Rdc8 22.Bb2 Qd6 23.Rbd1 Qd5 24.Qd5 Nd5 (24...ed5 25.Ba3=) 25.e4+= Nb4 26.d5 Bb2 27.Rb2 ed5 28.ed5 Rc1 29.Rbd2 Rd1 30.Rd1 Rd8 31.d6 Kg7 32.f4 Kf6 33.Kf2 Ke6 34.Bc4 Kf6 35.g4 h6 36.h4 g5 37.fg5 hg5 38.h5 Nc6 39.Kg3 Ne5 40.Ba2 (40.Bb5 Rc8 41.d7 Rd8+-) 40...Kg7 41.Rd5 f6 42.Rb5?? (better 42.Rd2+-) 42...Rd6= 43.Rb7 Rd7 (43...Kh8 44.Bb1 Rd4 45.Bf5 Ra4 46.h6+/-) 44.Bd5 Rb7 45.Bb7 Kh6 46.Bc8 Kg7 47.Kf2 (47.Bf5 Kh6+=) 47...Nc4 (47...Nd3 48.Ke3 Nc5 49.Kd4 Na4 50.Bf5=) 48.Bd7 Nb6 49.Bc6 Nc4 50.Ke2 Ne5 51.Bf3 Kh6 52.Ke3 f5 53.gf5 Nf3 54.Kf3 Kh5 55.Kg3 g4 56.Kf4 Kh4?? (better 56...g3 57.Kg3 Kg5=) 57.f6 g3 (57...Kh3 58.f7 Kh4 59.f8Q Kh3 60.Qa3 Kg2 61.Qd3 Kf2 62.Qd2 Kf1 63.Kg3 Kg1 64.Qe1) 58.f7 g2 (58...Kh5 59.f8Q Kg6 60.Ke5 g2 61.Qg8 Kh5 62.Kf5 g1Q 63.Qh7) 59.f8Q (59.f8Q Kh5 60.Qg7 g1Q 61.Qh7) 1-0. Reniergonzalez (2715) - Banelevich (2715), Rated blitz game, lichess.org, 2021. (=1.Nf3 A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.e3 d5 6.c4 a5 7.b5)

9.Nc3+= A) 9...Bf5 10.0-0 (10.Qe2 cb5 11.Bb5 Nd5 12.0-0 Nc3 13.Bc3+=; 10.Qb3 cb5 11.Nb5 a4 12.Qa3 Ra5 13.Bc3=) 10...cb5 11.Bb5 Nc6 12.Qe2 Ne8 13.d5+=; B) 9...cb5 10.Bb5 (10.Nb5 Nc6 11.Rc1 Be6 12.0-0 Rc8 13.Be6+=) 10...Nc6 11.0-0 Bf5 12.Qe2 Rc8 13.Rac1 +=.

8.Bc4 Nbd7

9.0-0 Nb6 10.Bd3 Nbd5 11.Nc3 (11.Ne5 Nb4 12.Bc4 Bf5 13.Nc3 Nfd5 14.Nd5 Nd5 15.Qf3 Nb6 16.Nf7; 11.h3 Be6 12.Nc3 Nc3 13.Bc3 Nd5 14.Qd2 Qd6 15.Ng5 Nc3 16.Qc3) 11...Nb4 12.h3 Be6 13.Ng5 Nd3 14.Qd3 Qd6 15.Ne6 Qe6 16.e4.

9.0-0 Nb6 10.Bd3 Be6 11.Nbd2 (11.Ng5 Bc4 12.Nc3 Qd7 13.Rc1 a4 14.Ba3 Bd3 15.Qd3 Nbd5 16.f3) 11...Nbd5 12.Nc4 Nb4 13.Ng5 Qd5 14.Ne6 Qe6 15.f3 Nfd5 16.Be4.

9.0-0 Nb6 10.Bd3 Nfd5 11.Nc3 Nb4 12.Be2 N4d5 13.Ne5=.

9.0-0 Nb6 10.Be2 Ne4 (10...Bf5 11.Nc3 a4 12.a3 Nbd5 13.Ne5 Ne4 14.Ne4 Be4 15.Rc1 Qd6 16.Qd2; 10...Nbd5 11.Nbd2 (11.Qc1 Qd6 12.Nc3 Nc3 13.Bc3 Ne4 14.Ne5 Bf5 15.f4 f6 16.Nc4; 11.Qa4 Bf5 12.Nbd2 Nb4 13.Nc4 Nd3 14.Bd3 Bd3 15.Rfd1 Be2 16.Rd2; 11.Bd3 Nb4 12.Nc3 Bg4 13.Bc4 Qd6 14.h3 Be6 15.Qe2 Nbd5 16.Nd5) 11...a4 12.a3 Be6 13.Qc2 Qe8 14.Ne5 Ra5 15.Rab1 Ra8 16.h3; 10...a4 11.Ne5 (11.a3 Bf5 12.Bd3 Bd3 13.Qd3 Nfd5 14.g3 f5 15.Nbd2 Qd7 16.Rac1; 11.Qc1 Nbd5 12.Nc3 Bf5 13.Ne5 Nc3 14.Qc3 Nd5 15.Qc5 Qd6 16.Bf3) 11...Bf5 12.g4 Be6 13.Nd2 a3 14.Bc1 Nfd5 15.Ne4 Nb4 16.Qd2) 11.Nbd2 (11.Qc2 Nd6 12.Nbd2 Nd5 13.Qc5 Be6 14.Ne5 f6 15.Bg4 Bg4 16.Ng4; 11.Nc3 Nc3 12.Bc3 Nd5 13.Qd2 Qd6 14.Rac1 Be6 15.Ba5 b6 16.Rc6) 11...Nd2 (11...Nd6 12.e4 a4 13.Qc2 a3 14.Bc3 Bd7 15.Rab1 Qe8 16.Bb4) 12.Qd2 (12.Nd2 Be6 13.h3 Qd7 14.a4 Rfd8 15.Ne4 Nc4 16.Bc3) 12...Be6 (12...Bf5 13.Bc3 Nd5 14.Ba5 Qd6 15.Rfc1 Rfc8 16.Rc5) 13.Rfc1 Bd5 (13...Bf5 14.Bc3 Qd6 15.Ba5 Nd5 16.Rc4) 14.Ba3 (14.Qc2 Rc8 15.e4 Be6 16.d5) 14...Re8 (14...Qd7 15.Ne5 Qd8 16.Qc3) 15.h3 ½–½. Kempinski,R (2595) – Kempinski,T (2255), 7th Amplico AIG Life, Warsaw Poland, 2007. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 a5 7.b5 dc4)

9.a4 Nb6=+ 10.Nbd2 Nc4 11.Nc4 Be6 (11...Qd5 12.Rc1=+) 12.Rc1= Bd5 13.0-0 Ne4 14.Rc2 (14.Qd3 Re8=) 14...c6 15.bc6 Bc6 16.Qa1 Rc8 17.Rfc1 Nd6 (17...Bd5 18.Ba3=) 18.Nd6 Qd6 (worse 18...ed6 19.d5 Bb2 20.Qb2+/-) 19.Ba3 (19.Ne5 Be5 20.de5 Qd5+=) 19...Qd7 20.Qb2? (better 20.Rc4!?=) 20...Ba4-/+ 21.Rc8 Rc8 22.Rc8 Qc8 23.Be7 b5 24.Bc5?? (better 24.Qb1-/+) 24...Bf8 (better 24...Qc5! 25.Qd2 Qc7-+) 25.Bf8=+ Kf8 (25...Qf8 26.h3=+) 26.d5= Kg8 27.d6 (27.h4 b4 28.Qf6 b3=) 27...Qc6=+ 28.Qd2 b4 29.Ne5? (29.h3 b3 30.Ne5=+ (30.Qa5? b2 31.Nd2 Qd6-+)) 29...Qc3-+ 30.Qc3 bc3 31.Nd3 Kf8 32.e4 (32.f3 Bb5 33.Nc1 Ke8-+) 32...Ke8 (32...Bc2 33.Nc1 Be4 34.Kf1-+) 33.e5 Bb5 (33...g5 34.f3 Bb5 35.Nc1-+) 34.Nc1 a4 (34...g5!? 35.g3 g4-+) 35.f4-/+ a3 36.Kf2 Bc4 37.Ke3 a2 38.Na2 Ba2 39.Kd3 Bd5 40.Kc3? (40.g3 h5-/+) 40...h5 (better 40...Bg2 41.Kd4 Kd7-+) 41.g3-/+ Bg2 42.Kd4 Bh3 43.Kd5 Kd7 44.Kc5 Bg2 45.Kb6 Bf1 46.Kb7 Bc4 47.Kb6 Bb3 48.Kb7 Ba4 49.Kb6 Ke6 50.Kc7 Bb5 51.Kd8? (51.h3=+) 51...Bc4?? (better 51...f6 52.ef6 Kf6-+) 52.Kc7= Bb5 53.Kd8 f6 54.Kc7?? (better 54.ef6 Kf6 55.Kc7-+) 54...fe5 55.fe5 g5 56.Kc8 (56.Kb6 Bd7 57.Kc5 Ke5-+) 56...h4 57.gh4 (57.Kd8 hg3 58.hg3 Ke5 59.Kc7-+) 57...gh4 58.Kc7 h3 59.Kc8 Ke5 60.d7 Bd7! 61.Kd7 Kf4 62.Ke6 Kf3 63.Ke5 Kg2 64.Ke4 Kh2 65.Kf3 Kg1 66.Kg3 h2 (66...h2 67.Kh3 h1Q 68.Kg3 Qe4 69.Kh3 Kf2 70.Kh2 Qh4) 0-1. karsan (1915) - echecstours (2055), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.c4 0-0 5.b4 d5 6.Bb2 a5 7.b5)

9.Nc3 Nb6 10.Bb3 Bf5 11.0-0 Nfd5 12.Nd5 Nd5 13.Ne5 Be5 14.de5 Nb4 15.Qf3 Qc8 16.e4 Bg4 17.Qc3 Be2 18.e6 f6 19.Bc4 Bc4 20.Qc4 c6 21.b6 (21.a3!? cb5 22.Qc8 Rfc8 23.ab4+–) 21...c5 22.Rfd1 Qc6 23.a3 Na6 24.Rab1 Rfd8 (better is 24...Nb8!?+/–) 25.Bf6!+– Rd1 (25...ef6 26.e7 Double attack (26.Rd8 Decoy)) 26.Rd1 Qb6 27.Be7 Re8? (27...Nc7 28.Bd6 Qb5 29.Qb5 Nb5 30.Bc5 Nc3+–) 28.Bd6 Qb2 (28...Nc7 29.e7 Kg7 30.Qc3 Kf7 31.Qf3 Ke6 32.Qg4 Kf7 33.Qf4 Ke6 34.Bc7 Qc7 35.Qc7 Kf7 36.Qf4 Kg7 37.Rd8 g5 38.Qg5 Kf7 39.e5 h6 40.Qf6 Kg8 41.Re8 Kh7 42.Rh8) 29.e7 Kg7 30.Qe6 Qa3 31.Be5 Kh6 32.Qf7 (32.Qg4 Qg3 33.hg3 Re7 34.Qh4) 32...Qa4 (32...Qe3 33.Bg7 Kh5 34.Rd5 Kh4 35.fe3 Rf8 36.Bf6 g5 37.Qh7 Kg4 38.Rg5) 33.Bg7 (33.Bf4 Kh5 34.Qd5 Kh4 35.Qg5) 33...Kg5 (33...Kh5 34.Rd5 Kg4 35.h3 Kh4 36.Qf4) 34.Rd5 Kg4 35.Qf3 Kh4 36.Bf6 (36.Bf6 g5 37.Bg5; 36.Qg3) 1–0. Oltean,Gusztav (2115) – Csarmasz,Mate (2105), HUN–chT2 Szechenyi, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 a5 7.b5 dc4)

9.Nc3 Nb6 10.Bd3 Be6 11.Ng5 Bc4 12.0-0 Nfd5 13.Bc4=.

9.0-0 a4

10.a3 Ne4 11.Nbd2 Ndf6 12.Ne4 Ne4 13.Qc2+=.

10.Na3 Nb6 11.Bd3 Qd6 12.e4 Nh5 13.Qd2 Be6 14.Rfc1 Qf4 15.Qe2 Qd6 16.g3.

10.Nc3 Nb6 11.Bd3 Be6 12.a3 Nc4 13.Bc1=.

10.Nbd2 Nb6 11.Ne5 (11.Qe2 Nfd5 12.Rac1 a3 13.Ba1 Nc4 14.Nc4 Be6 15.Ng5 Bd7 16.Ne5; 11.Bd3 a3 12.Bc1 Qd6 13.h3 Be6 14.Qc2 Nbd5 15.Nc4 Qb4 16.Bd2) 11...Nfd5 12.Rc1 Bf5 13.Qe2 a3 14.Bc3 Nc4 15.Ndc4 f6 16.Nf3.

10.Bd3 Nb6 11.e4 (11.a3 Be6 12.Nbd2 Nbd5 13.h3 Qe8 14.Qe2 Rb8 15.Ne4 Ne4 16.Be4; 11.Nc3 a3 12.Bc1 Nbd5 13.Nd5 Nd5 14.Bd2 Be6 15.Ng5 Qd6 16.Qf3) 11...Be6 12.Na3 Nh5 13.Qd2 Qd6 14.Rfc1 Rfd8 15.Rc5 Qf4 16.Qc2.

10.Bd3 e5 11.Nbd2 a3 12.Bc3 Nd5 13.Rc1=.

9.Nbd2 Nb6

10.Bd3 Nbd5 11.0-0 A) 11...Be6 12.a3 Bf5 13.Bf5 gf5 14.Qe2 Qc8 15.Ne5 Qe6 16.f3 Nd7 17.Ndc4; B) 11...Bg4 12.a3 (12.h3 Nb4 13.Bc4 Bf5 14.Qe2 Be6 15.Be6 fe6 16.Rfc1 Re8 17.Qc4; 12.e4 Nf4 13.Bc4 N6h5 14.h3 Be6 15.Qc2 Qd7 16.Rfd1 Bc4 17.Qc4) 12...Qe8 13.Qa4 Nb6 14.Qc2 Bd7 15.a4 Nbd5 16.Be2 Qd8 17.Ne5; C) 11...Nb4 12.Bc4 (12.Be2 Bf5 13.Ne5 Bc2 14.Qc1 Nd7 15.Nec4 Nb6 16.Nf3 Be4 17.Ng5; 12.Bb1 Qe8 13.a3 Nbd5 14.Qe2 Bd7 15.Bd3 Qc8 16.Ne5 Bf5 17.e4; 12.Qe2 Nd3 13.Qd3 Nd5 14.Nc4 Be6 15.Ng5 Qd7 16.Ne6 Qe6 17.Bc3) 12...Be6 13.Be6 fe6 14.Qe2 Nbd5 15.Ne5 Qe8 16.f4 a4 17.e4.

10.Bd3 Nbd5 11.a3= A) 11...Qe8 12.Qe2 (12.Ne5 Nd7 13.0-0 Ne5 14.de5 Bf5 15.Bf5 gf5 16.Qe2 Qd7 17.Rfd1; 12.0-0 Bf5 13.Qe2 Qd7 14.Ne5 Bd3 15.Qd3 Qe6 16.e4 Nf4 17.Qe3) 12...Qd7 13.h3 Rd8 14.0-0 Qe8 15.Rac1 Bf5 16.Bf5 gf5 17.a4; B) 11...Qd7 12.0-0 (12.h3 Qe6 13.Qe2 Qb6 14.0-0 Bf5 15.Bf5 gf5 16.Ne5 Qe6 17.Rad1) 12...Qe8 13.Qe2 Be6 14.h3 Rd8 15.Rac1 Ra8 16.Ne5 Nd7 17.Ne4; C) 11...Qd6 12.Nc4 (12.0-0 Qb6 13.a4 Qe6 14.Nc4 Nb4 15.Nce5 Qd6 16.e4 Be6 17.h3; 12.h3 Qb6 13.0-0 Be6 14.Qe2 c6 15.a4 cb5 16.Bb5 Bd7 17.Bd7) 12...Qd8 13.0-0 Bd7 14.Nce5 Bf5 15.h3 Qd6 16.Ng5 Bd3 17.Qd3; D) 11...Ne8 12.Ne4 (12.0-0 Nd6 13.Ne4 Ne4 14.Be4 Qd6 15.Rc1 Bd7 16.Qd3 c6 17.Ne5; 12.Rc1 Nd6 13.0-0 Be6 14.Nb3 Bd7 15.Nc5 Bb5 16.Bb5 Nb5 17.Nb7; 12.h3 Nd6 13.0-0 Bd7 14.Qb3 Be6 15.Ng5 Qd7 16.Ne6 Qe6 17.Rac1; 12.Qa4 Nd6 13.0-0 Nb6 14.Qd1 Bd7 15.a4 Nd5 16.Ne5 Nb4 17.Nd7) 12...Nef6 13.0-0 Ne4 14.Be4 f5 15.Bd3 Qd6 16.h3 Be6 17.Ne5.

10.Bd3 Nbd5 11.Ne5 A) 11...Nb4 12.Bc4 (12.Be2 Bf5 13.0-0 Bc2 14.Qe1 Nd7 15.Ndc4 Ne5 16.Ne5 Qd6 17.Nc4) 12...Bf5 13.0-0 Qd6 14.Qf3 Nd7 15.Ne4 Be4 16.Qe4 c6 17.bc6; B) 11...Be6 12.a3 (12.Ndc4 Nb4 13.0-0 Nd3 14.Qd3 Nd7 15.f4 Ne5 16.Ne5 f6 17.Nf3; 12.0-0 Nb4 13.Bc4 Nd7 14.Qe2 Ne5 15.de5 Qd7 16.Nf3 Rfd8 17.Bd4) 12...Nd7 13.Ne4 Ne5 14.de5 Qd7 15.Nc5 Qc8 16.Qd2 c6 17.Rc1; C) 11...a4 12.a3 (12.Ndc4 Nb4 13.0-0 Nd3 14.Qd3 Bf5 15.Qe2 Qe8 16.b6 cb6 17.Nb6; 12.Ba3 Ne8 13.Ne4 f6 14.Nc4 f5 15.Nc5 f4 16.Rc1 fe3 17.Ne3; 12.0-0 a3 13.Bc1 Be6 14.Ndc4 Nd7 15.Bd2 Ne5 16.Ne5 Qd6 17.Nc4) 12...Be6 13.0-0 Nd7 14.Ne4 Ne5 15.de5 Qc8 16.Qd2 Bf5 17.Rac1; D) 11...Nd7 12.Nec4 (12.Nd7 Bd7 13.0-0 Nb4 14.Be2 c6 15.bc6 Bc6 16.a3 Nd5 17.Rc1; 12.Ne4 Nb4 13.Nd7 Nd3 14.Qd3 Bd7 15.0-0 Qe8 16.a4 c6 17.Nc3) 12...Nb4 13.Be2 Nb6 14.Nb6 cb6 15.0-0 Be6 16.a3 Nd5 17.Nc4.

10.Bd3 Nfd5 11.0-0 A) 11...Nb4 12.Be2 (12.Bb1 Bd7 13.a3 N4d5 14.Bd3 Qe8 15.a4 c6 16.bc6 Bc6 17.Bc2) 12...Bg4 13.e4 f5 14.Qb3 Kh8 15.h3 Bh5 16.ef5 gf5 17.Nc4; B) 11...a4 12.Ba3 (12.a3 Bf5 13.Bf5 gf5 14.Qe2 Qd7 15.Rac1 Bf6 16.Ne5 Qe6 17.f4; 12.Qc1 Nb4 13.Be2 Be6 14.a3 N4d5 15.Ne4 Nf6 16.Nc5 Bd5 17.Qc2) 12...Ra5 13.Qc2 Be6 14.Rab1 Qd7 15.Ng5 Rd8 16.Ne6 Qe6 17.Ne4; C) 11...Bf5 12.Bf5 gf5 13.a4 Bf6 14.e4 fe4 15.Ne4 Nc4 16.Qc2 Nb2 17.Qb2; D) 11...Re8 12.h3 (12.a4 Nb4 13.Be4 f5 14.Bc2 Be6 15.h3 Qd7 16.Bb3 Bd5 17.Bd5; 12.Ne4 Nb4 13.Nc5 Nd7 14.Ne4 Nf6 15.Bb1 Bf5 16.Nf6 Bf6 17.e4; 12.a3 Bf5 13.Bf5 gf5 14.Qb3 Qd6 15.h3 Qg6 16.Rac1 Bf6 17.Ne5; 12.Be2 Qd6 13.a3 Nf6 14.Qc2 Be6 15.h3 c6 16.bc6 Qc6 17.Qc6) 12...a4 13.Ba3 Bf5 14.Bf5 gf5 15.Qc2 Qd7 16.Bc5 Nc8 17.Rab1.

10.Bd3 Nfd5 11.a3 A) 11...Bd7 12.Ne4 (12.Ne5 Be5 13.de5 Qe8 14.Qe2 Na4 15.Ne4 f5 16.ef6 ef6 17.Bd4; 12.Rc1 Bf5 13.Bf5 gf5 14.0-0 Qd7 15.Qb3 Bf6 16.h3 Rfd8 17.Rfe1; 12.0-0 Qe8 13.Qe2 Na4 14.Ne4 Bg4 15.Rac1 Bf3 16.gf3 e6 17.Nc5) 12...Qe8 13.Qe2 Na4 14.0-0 Bg4 15.Rac1 Bf3 16.gf3 Qd7 17.Nc5; B) 11...Bf5 12.Bf5 (12.Qc2 Bd3 13.Qd3 Na4 14.Rb1 Qd7 15.0-0 e6 16.h3 f5 17.Rfc1; 12.Qb1 Bd3 13.Qd3 Qd7 14.0-0 Qf5 15.Qf5 gf5 16.Rac1 Rfd8 17.Rc2) 12...gf5 13.0-0 Qd7 14.a4 Bf6 15.Nb3 Qc8 16.Qe2 Nb4 17.Nc5; C) 11...Qe8 12.0-0 (12.Ne4 Bf5 13.Qe2 Na4 14.0-0 Rd8 15.Rac1 e6 16.Nh4 Be4 17.Be4; 12.Qe2 Na4 13.Ne4 Bg4 14.0-0 e6 15.Qc2 Nb2 16.Qb2 Bf3 17.gf3) 12...Bd7 13.a4 c6 14.bc6 Bc6 15.Bc2 Nb4 16.Bb3 Rc8 17.Ne5.

10.Bd3 Bg4+=.

10.Be2 Bf5= 11.0-0 Qd5 (11...Qd6 12.Rc1+=) 12.Ne5 Rad8 (12...Nfd7 13.e4 Be4 14.Nd7 Nd7 15.Ne4 Qe4 16.Bf3=) 13.a4 (13.f3 Bd7 14.Qc2 Qe6+/–) 13...Ne4 14.Ndc4 Be5 15.Ne5 f6 16.Nf3 Kg7 (16...Nc4 17.Bc4 Qc4 18.Nd2+=) 17.Rc1 (17.Nh4 Bd7+=) 17...Qa2 18.Ba1 (18.Bc3 Nc3 19.Rc3 Rd7+=) 18...Rd7 (18...Rc8 19.Nh4 Qa4 20.Qd3=) 19.Nh4 (19.Bd3 Nd6 20.Bf5 gf5+=) 19...Qa4= (19...Na4? 20.Bc4 Qa3 21.Nf5 gf5 22.Be6+–) 20.Nf5 (20.Qd3 Nd5=) 20...gf5 21.f3 (21.Rc2!?=) 21...Qd1-/+ 22.Rfd1 Nd6 23.Rc5 (23.Kf2 Ra8-/+) 23...e6 24.Rdc1 Nd5 25.Kf2 Rff7 (25...Rc8 26.Bb2-/+) 26.Bb2+= b6 (26...Rfe7 27.g3+=) 27.R5c2 Nb4 (27...Kg6 28.g3+=) 28.Rd2 Nd5 (28...Rfe7 29.Ba3 f4 30.e4=) 29.Ba3 (29.Rdc2 Rfe7+=) 29...Kg6 (29...Rd8 30.g3+=) 30.g3 (30.Bd3 h5=) 30...h5 (30...Rfe7 31.Rc6+=) 31.Bd3 Kh6 (31...e5 32.Rc6 Ne7 33.Rc1=) 32.Rc6 (32.Rdc2 h4=) 32...Kg7 (32...h4 33.gh4 Rg7 34.Rdc2+=) 33.Rdc2 Nb4 (better is 33...e5!?=) 34.Bb4+/– ab4 35.Rb2 Rf8 36.Rb4 Ra8 37.Rb2 Kf7 (37...Ra3 38.Bc4 Nc4 39.Rc4+=) 38.Rbc2+/– Ra7 39.e4 fe4 40.fe4 e5 41.d5 Ke7 42.R6c3 (42.Ke3 Kd8+=) 42...Kd8 (42...Ra4 43.Rc7 Ne4 44.Be4 Re4 45.R2c6+=) 43.Ke3 Ra5 The isolani on b5 becomes a target 44.Rf2 (44.Rc6 Ra3+=) 44...Rf7= 45.Rb3 Ra4 46.h3 Rd4 (46...Rg7 47.Rg2=) 47.Ra3 (47.Rbb2 Rg7 48.Rg2 Ra4=) 47...Rg7 (47...Re4 48.Be4 Nc4 49.Kf3 Na3 50.Bd3+=) 48.Rg2 (48.Rf6 Rg3 49.Rf3 Rg1=) 48...Rb4 (48...Re4 49.Be4 Nc4 50.Kf3 Na3=) 49.Ra8= Kd7 50.Rh8 Rb3 51.Rh5 f5 52.Rf5 The passed pawn on g3 will quickly become a dangerous weapon (52.ef5 e4) 52...Nf5 (52...Nc4 53.Ke2 Rb2 54.Kf3=) 53.ef5+= Kd6 54.g4 (54.Ke4!?=) 54...Kd5+= Threatens e4 55.f6 (55.Kd2 e4 56.Be2 Rh3+=) 55...Rh7-/+ 56.Kd2 Rh3 57.Bc2 Rbg3?? (better is 57...Rb5 58.g5 Rh8-/+) 58.Rg3+– Rg3 59.f7 Rf3 (59...Rg2 60.Kc3 Rg3 61.Kb2 Rf3+–) 60.g5 (better is 60.Bf5 Rf2 61.Ke3+–) 60...Kd6 (60...Ke6 61.g6 Ke7 62.Be4=) 61.g6 Ke7 62.Be4 Rg3 (62...Rf2 63.Ke3 Rb2 64.Bd5=) 63.Ke2 (63.Kc2 Kf8=) 63...Kf8+= 64.Kf2 Rb3 (64...Rc3 65.Bc6+=) 65.Bc6 Kg7 (65...e4 66.Ke2+=) 66.Ke2= e4 67.Kf2 (67.Kd2!?=) 67...Rf3-/+ 68.Ke2 Rb3 (68...Rf5 69.Ke3+=) 69.Kd2 (69.Kf2 e3 70.Kf3 Kf8+=) 69...e3+= 70.Ke2 Rc3 71.Bd7 (71.Be4 Rc5+=) 71...Rc5-/+ 72.Ke3 Rg5 73.Be8 Kf8 74.Kf4 Rg6 75.Kf5 (75.Ke5 Rg1-/+) 75...Rd6 (75...Rg1 76.Ke4-/+) 76.Ke5 Ke7 77.Kf5 (77.Ke4 Rd1-/+) 77...Rd5 (77...Re6 78.Kf4-/+) 78.Ke4 Rg5 79.Kf4 Rg1 80.Ke4 Rd1 (80...Re1 81.Kd5 Rc1 82.Ke5–+) 81.Kf4 (81.Kf5 Re1-/+) 81...Rf1 (81...Re1 82.Kf5-/+) 82.Ke5 (82.Ke4-/+) 82...Rd1 (82...Rc1 83.Kd5 Rc5 84.Ke4-/+) 83.Ke4 (83.Kf4 Rb1-/+) 83...Rd6 (83...Ra1 84.Kf5-/+) 84.Ke5 (84.Kf5!?=) 84...Re6 (84...Rd2 85.Ke4-/+) 85.Kd5 Rf6 86.Ke5 Rf1 87.Kd5 Rc1 (87...Rf7?? 88.Bf7 Kd8 89.Be6+–) 88.Kd4 (88.Ke5 c5 89.bc6 b5-/+) 88...c5–+ 89.bc6 b5 90.Kd3? (better is 90.c7 b4 91.Bb5 Rc7 92.Bc4–+) 90...b4 91.Kd2 (91.c7 Rc7 92.Ba4 Rc3 93.Kd4 Kf7–+) 91...Rc5 92.f8Q (92.Bd7 Kf7 93.c7 Rc7–+) 92...Kf8 93.Bd7 (93.Bg6 b3–+) 93...b3 94.c7 Rc7 (94...Rc2!? 95.Kd1 Rc7 96.Ba4–+) 95.Bf5 (95.Ba4 b2 96.Bc2 Kf7–+) 95...Ke7 (95...Ke7 96.Bg6 Kf6–+) 0–1. Kaenel,Hansjuerg – Hug, Jugend CH, 1970.

10.Bd3 a4

11.0-0 A) 11...Nfd5 12.Ba3 (12.a3 Bf5 13.Bf5 gf5 14.Rc1 Qd6 15.Qe2 Rfe8 16.Qd3 Qd7 17.g3; 12.Qc1 Nb4 13.Be2 Bg4 14.h3 Be6 15.a3 N4d5 16.Ne4 Ra7 17.Nfg5) 12...Bf5 13.e4 Nf4 14.ef5 Nd3 15.Ne4 Bd4 16.Qd3 Ba1 17.Qd8; B) 11...Bf5 12.Bf5 gf5 13.Qc2 a3 14.Bc3 Nbd5 15.Rfc1 e6 16.Ne5 Ng4 17.Ndf3; C) 11...Be6 12.a3 (12.Ba3 Nbd5 13.Qc2 Ne8 14.g3 Nd6 15.e4 Nb6 16.Rfc1 Rc8 17.Qb2; 12.Ng5 Bd7 13.Nde4 Ne4 14.Ne4 a3 15.Bc3 Nd5 16.Qb3 Bf5 17.Rad1) 12...Nbd5 13.h3 Qc8 14.Ne5 Nd7 15.Nec4 N7b6 16.Nb6 Nb6 17.Rc1; D) 11...a3 12.Bc1 (12.Bc3 Nbd5 13.Qb3 Be6 14.Ng5 Nc3 15.Qc3 Nd5 16.Qb3 Bf5 17.Bf5) 12...Qd6 13.Ne5 Be6 14.f4 Qb4 15.Qc2 Nbd5 16.Ndc4 Ng4 17.Bd2.

11.a3= Ra5 12.0-0 (12.Qe2 Nfd5 13.0-0 Bf5 14.Bf5 gf5 15.Rac1 Qd7 16.Rc5 Rd8 17.h3; 12.Rc1 Bf5 13.Bc3 Bd3 14.Ba5 Nfd5 15.Rc5 Qd7 16.Ne5 Be5 17.de5; 12.Bc3 Ra8 13.Bb2 Ra5 14.0-0 Qe8 15.Ne5 Rb5 16.Bc3 Nbd5 17.Bb5) 12...Nbd5 13.Ne5 Be6 14.Ndf3 Bf5 15.Qd2 Bd3 16.Qa5 Bf1 17.Rf1.

11.a3= Nbd5 12.0-0 (12.Nc4 Ne8 13.0-0 Nd6 14.Qd2 Nc4 15.Bc4 Bf5 16.Rac1 Bf6 17.Qe2) 12...Bf5 13.Bf5 gf5 14.Qe2 Qd7 15.Ne5 Qe6 16.Rfd1 Ne4 17.Ne4.

11.a3= Ne8 12.Qc2 (12.0-0 Nd6 13.Rc1 Nd5 14.Ne4 Ne4 15.Be4 Bf5 16.Bf5 gf5 17.Qd3; 12.Qe2 Nd6 13.e4 Bd7 14.0-0 Qe8 15.Rac1 Nb5 16.Ne5 Be5 17.de5; 12.e4 Nd6 13.0-0 Bd7 14.Qe2 Ra5 15.Bc3 Rb5 16.Ne5 Rb3 17.Rfc1; 12.Rc1 Nd6 13.0-0 Nd5 14.Ne4 Ne4 15.Be4 Bf5 16.Bf5 gf5 17.Qd3; 12.h3 Nd6 13.0-0 Nd5 14.Rc1 Ra5 15.Qe2 Bf5 16.Rc5 Bd3 17.Qd3) 12...Nd6 13.Ne5 (13.Rc1 Nd5= (13...Bd7 14.Qc7 Rc8 15.Qd8 Rfd8 16.Ke2 Bb5 17.Bb5) 14.0-0 Be6 15.g3 f5 16.Rfd1 Bf6 17.Ne5) 13...Bd7 (13...f6 14.Nef3 Bf5+= 15.e4 Bd7 16.0-0 Bb5 17.Bb5; 13...Bf5 14.e4 Bd7 15.Qc5 Bb5 16.Bb5 Ra5 17.0-0) 14.Qc5? (better is 14.Nd7!? Qd7 15.Qc5= (15.0-0 Nb5 16.Qc5 Nd6 17.e4) 15...e6 16.0-0 Nd5 17.g3) 14...Bb5!-/+ 15.Bb5 Ra5 16.Rc1 (16.0-0 Rb5 (16...Nb5? 17.Qb4 Qa8 18.Ndc4 Nc4 19.Nc4+–) 17.Qc2 c6-/+) 16...Rb5 (worse is 16...Nb5 17.Qb4 Qa8 18.Ndc4 Nc4 19.Nc4+–) 17.Qc2 Qc8 (17...Nd5 18.0-0-/+) 18.0-0 Qe6 (18...Nd5 19.Nec4-/+) 19.Nd3 Bh6 (19...Rd8 20.Rb1-/+ (20.Qc7 Rc8–+)) 20.Rfe1 (20.Qc7?? Rc8 21.Nc5 Rc7 (21...Rb2?! 22.Ne6 Rc7 23.Nc7 Rd2 24.Rfd1 Rd1 25.Rd1–+) 22.Ne6 Rc1 (22...Rb2?! 23.Nc7 Rd2 24.Rfd1 Rd1 25.Rd1–+; worse is 22...fe6 23.Rc7 Rb2 24.Nf3–+) 23.Bc1 fe6–+) 20...c6 (20...Ra8 21.h3-/+ (21.Qc7?? Rc8–+)) 21.Kh1 (21.Bc3 Rc8-/+) 21...Rh5 (21...Rd8 22.Kg1-/+) 22.f3 (22.Kg1 Ra8-/+) 22...Nd5 (22...Be3?! 23.Nc5 Nf5 24.g4 (24.Ne6?? Ng3) 24...Rh2 25.Kh2 Qd6 26.Kh1=) 23.e4 (23.Nf1!?-/+) 23...Ne3–+ 24.Qc3 Qf6 (24...Nb5 25.d5 Nc3 26.de6–+) 25.g3 (25.Re2 Nb5 26.Qb4 e6-/+) 25...Ndc4 (25...Nb5!? 26.Qb4 Qg5–+) 26.f4-/+ b5 (26...Nb2 27.Re3 Nd3 28.Qd3-/+) 27.Nc4+= Nc4 (worse is 27...bc4 28.Ne5 (28.Re3?! cd3 29.Qd3 Rb8=) 28...Bf4 29.Re3 Be3 30.Qe3+/–) 28.Ba1 White plans e5 (28.Ne5!? Ne5 29.de5+=) 28...Rd8 29.Kg2 (29.Ne5 Ne5 30.de5 Qe6+=) 29...Qe6 (29...g5 30.d5 Qc3 31.Rc3 cd5 32.ed5–+) 30.Nf2 Bg7 31.e5 Qd5 32.Kg1 g5 (32...f6!?–+) 33.g4-/+ Rh4 34.fg5 h6 35.gh6 Bh6 36.g5?? (better is 36.Rcd1-/+) 36...Bg5–+ 37.Qg3 (37.Rc2–+) 37...Kh8 38.Nh3 (38.Rc4 A) worse is 38...Qc4 39.Ne4 (39.Qg5?? Rg8 40.Qg3 Qb3–+) 39...Re4 40.Re4–+; B) 38...bc4 39.Bc3 Rg8–+) 38...Rg8 (better is 38...Bh6 39.Rc4 (39.Qh4?? Rg8 40.Ng5 Rg5 41.Qg5 Bg5–+) 39...bc4 40.Qh4 Rg8 41.Qg3–+) 39.Ng5 Rh5 40.h4 Rgg5! (40...Rgg5 41.hg5 Qh1 42.Kf2 Rh2 43.Qh2 Qh2 44.Kf3 Qh3 45.Kf4 Qa3–+) 0–1. Biliskov,V (2325) – Radulski,J (2500), Open, Zadar CRO, 2004. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 0-0 6.d4 a5 7.b5 dc4 8.Bc4 Nbd7)

11.a3= Bf5 12.e4 (12.Bf5 gf5 13.Rc1 Qd7 14.Qe2 Nbd5 15.0-0 Ne4 16.Ne4 fe4 17.Nd2) 12...Be6 13.0-0 Nh5 14.g3 Bh3 15.Re1 Qd7 16.Kh1 f5 17.Ng5.

11.Ba3 A) 11...Nbd5 12.0-0 (12.Qc2 Ne8 13.0-0 Nd6 14.Qc5 Be6 15.Ne4 Qd7 16.Ne5 Be5 17.de5; 12.Rc1 Ra5 13.0-0 Bd7 14.Qe2 Ra8 15.Ne5 Be6 16.h3 Nd7 17.Nef3) 12...Bg4 13.Qc2 Qe8 14.Rab1 Be6 15.Nc4 Qd8 16.h3 Ne8 17.Ng5; B) 11...Ra5 12.0-0 (12.Rb1 Nfd5 13.Qc2 Qe8 14.0-0 Be6 15.e4 Nf4 16.Qc7 Nd3 17.Qb6; 12.Qb1 Bd7 13.Qb4 Qa8 14.e4 Nh5 15.g3 f5 16.Ne5 fe4 17.Ne4) 12...Bd7 13.Qe2 Nfd5 14.Rfc1 Nc8 15.g3 f5 16.Rc5 e6 17.Nc4; C) 11...Bd7 12.Ne5 (12.0-0 Nbd5 13.Qc2 Ne8 14.Qc5 Nef6 15.Rab1 Rc8 16.Qc2 c6 17.b6; 12.Rc1 Ra5 13.Ne5 Be6 14.0-0 Nfd7 15.Nd7 Bd7 16.Rc5 Be6 17.Qf3) 12...Ra5 13.Nd7 Qd7 14.0-0 Raa8 15.Qf3 Nbd5 16.Nc4 Qg4 17.Qg4.

7.b5 c6

8.a4 cb5 9.ab5 Nbd7 10.Nc3=.

8.a4 cb5 9.ab5 Bf5 10.Nc3=.

8.a4 cb5 9.ab5 Bf5 10.c5 Ne4 11.Nc3 Nd7 12.Nd5 (12.Ra3 e5=) 12...Ndc5 13.Nc3 (worse is 13.dc5 Bb2 14.Ra2 Nc3 15.Nc3 Bc3 16.Nd2 Qd5–+) 13...Nc3 14.Bc3 Ne4 (14...a4 15.Bc4=) 15.Bb2 Qd5 16.Bd3 Nd6 Attacks the isolani on b5 17.Ba3 Nb5 (17...Bd3 18.Bd6 Bb5 19.Be7-/+) 18.Be7 (18.Bf5 Qf5 19.Be7 Rfe8+=) 18...Rfe8 (18...Nd4 19.Nd4 Bd4 20.ed4-/+) 19.Bc5+= Nd4 20.Bd4 Bd4 21.Nd4 Qd4 22.Bf5 Qc3 (22...Qd1 23.Kd1 gf5 24.Kd2-/+) 23.Ke2+= gf5 24.Qd5 (24.Qa4 Qb2 25.Kf3 Qe5-/+) 24...Rad8 (24...Qc2 25.Qd2 Qc4 26.Qd3 Qg4 27.Kf1-/+) 25.Qf5 (25.Qa5 Re3 26.fe3 Rd2 27.Kf3 Qc6 28.Qd5 Qd5 29.Kf4 Qe4 30.Kg5 Rg2 31.Kh5 Qf3 32.Kh4 Qg4) 25...Rd2 26.Kf3 Re6 27.Rhc1 Qb2 28.Qg4 Kf8 29.Rc8 Ke7 (29...Ke7 30.Qg5 Rf6 31.Kg3 Qa1 32.Rc7 Ke6 33.Qg4 Rf5 34.Qc4 Kd6 35.Rf7 Qe5 36.Kh3 Rf7 37.Qf7 Qe6 38.Qe6 Ke6–+) 0–1. Bartnik – Chmielowski, corr Poland, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 a5)

8.a4 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.0-0=.

8.a4 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Na3 Na6 12.0-0 Nd5 13.Qb3 Ndb4 14.Bd7 Qd7 15.Nc4 Qf5 16.Rab1 Rab8 17.Na5 (17.Ba3 b6+=) 17...Rfc8 (17...Qa5 18.Bc3 b5 19.Bb4 ba4 20.Qf7 Kf7 21.Ba5 Rb1 22.Rb1 Ra8+=) 18.Nc4+/– b5 19.ab5 Rb5 20.Nce5 e6 21.Qa4 Rb7 22.Ba3 Be5? (22...Bf8 23.Rfc1 Rbc7 24.Re1+/–) 23.Ne5 (23.Bb4!? Qb1 24.Rb1 Rb4+–) 23...Qc2+/– 24.Qc2 Rc2 25.Rb3 Rb8 26.Nd7 Rd8 27.Nf6 Kg7 28.Ne4 Nd5 29.Bd6 Nac7 30.Rb7 Rc6 31.Be5 Kg8 32.Ra1 f5 33.Nc5 Ne8? (33...Rc8 34.g4!+–) 34.h3 (34.Raa7 Rb6+–) 34...Ndf6 (34...Rdc8 35.Raa7 Ndc7 36.f3+–) 35.Re7 (35.Raa7 Rdc8+–) 35...Nd5 36.Re6 (36.Ne6?! Rdc8 37.Raa7 Ne7 38.Re7 Rc2+–) 36...Re6 37.Ne6 Rc8 38.Nc5 Ndf6 39.Ra7 Nd5 40.g4 fg4 41.hg4 Ndf6 (41...Nb4 42.Rd7+–) 42.f3 (42.g5 Nd5+–) 42...h5 (42...Nd5 43.e4 Nb4 44.Rb7+–) 43.gh5 Nh5 44.Kg2 Nhf6 45.Kg3 Nd5 46.e4 Nb4 47.Nd7 Nc6 48.Ra6 Kf7 49.d5 Nb4 50.Ra7 Kg8 51.Rb7 Nd3 52.Rb8 Rb8 53.Bb8 (53.Nb8?! Ne5 54.Nc6 Nc4+/–) 53...Nb4 54.Be5 Kf7 55.Bc3 Na6 56.Kg4 Ke7 57.Ne5 Nac7 58.Ng6 Kd6 (58...Kd7 59.Ne5 Kd8 60.Kg5+–) 59.Be5 (59.Bb4!? Kd7+–) 59...Kc5 1–0. Sinnwell,Horst – Dargel,Manuel, Ruhrgebiet VL2, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d5 7.d4 c6)

8.a4 dc4 9.Bc4 c5 10.Qb3 (10.dc5 Qc7+/–) 10...Nbd7 (10...cd4 11.Ne5 Nd5 12.Bd4+=) 11.Nbd2 (11.0-0 cd4 12.Bd4 Nb6+=) 11...b6 (11...cd4 12.Bd4 Nb6 13.Rd1+=) 12.0-0+= Bb7 13.Rfd1 e6 14.Rab1 (14.Rac1 Bd5+=) 14...Qe7 (14...Bd5 15.dc5 Nc5 16.Qa2=) 15.Ne5 (15.Rbc1 Rac8+=) 15...Ne5 16.de5 Ng4 17.Nf1 (better is 17.f4!?=) 17...Ne5-/+ 18.Be2 (18.f4 Nc4 19.Bg7 Kg7 20.Qc4 Rad8-/+) 18...Qg5 The mate threat is Qxg2 19.Ng3 Qh4 (19...Rad8 20.e4-/+) 20.f4+= Ng4 21.Bg4 Qg4 22.Bg7 Kg7 23.Rd7 (23.Rd6 Rad8 24.Rb6 Rd7+/–) 23...Rab8 (23...Bd5 24.Qc3 Kg8 25.e4+/–) 24.Qb2 (24.Qc3 Kg8 25.Rbd1 Bd5+=) 24...Kg8 25.Qe5 (25.Qf6 Bd5=) 25...Ba8 (25...Rfd8 26.Qd6 Rd7 27.Qd7+=) 26.Ne4 (26.Rbd1!?=) 26...Be4+= 27.Qe4 Rfd8 28.Rbd1 (28.h3!? Qh5 29.Qc6 Rd7 30.Qd7-/+) 28...Qd1 29.Rd1 Rd1 30.Kf2 Rbd8 31.Qc6 R8d6 32.Qa8 (32.Qe8 Kg7–+) 32...Kg7 33.h4 (33.Qe4 h6–+) 33...R1d2 (33...c4 34.Qe4 R6d2 35.Kg3-/+) 34.Kf3 Rb2 (34...h6 35.g4–+) 35.Qc8 (better is 35.g4–+) 35...Rbd2?? (35...Ra2 36.Qc7 Rad2 37.g4–+) 36.Qa8 R2d3 (36...h6 37.g4–+) 37.Qe4 R6d5 (37...h5 38.Qc4–+) 38.g4 Rb3 (38...h5 39.g5–+) 39.g5-/+ Kf8 40.Qc2 Rdd3 41.Qc1 (better is 41.Ke2–+) 41...Re3 42.Qe3 (42.Kf2 Rh3–+) 42...Re3 43.Ke3 Ke7 44.Kd3 f6 45.Ke4 f5 46.Kd3 (46.Ke3 Kd6 47.Kf3 e5–+) 46...Kd6 47.Kc4 (47.Ke3 e5–+) 47...e5 48.fe5 Ke5 49.Kd3 f4 (better is 49...Kf4 50.Ke2 Kg4–+) 50.Kc4 (50.Ke2–+) 50...Ke4 51.Kc3 Ke3 (51...Ke3 52.Kc4 f3–+) 0–1. Hakim,Viktor – Jungo,Roland, Bois Gentil op, 1994.

8.a4 Ne4 9.Nbd2 Bg4 10.Be2 Nd2 11.Nd2 Be2 12.Qe2 c5 (12...cb5 13.ab5 Qd7 14.0-0+=) 13.Nb3 (13.0-0 cd4 14.Bd4 e5+=) 13...cd4 (13...dc4 14.Nc5 b6 15.Ne4+=) 14.Nd4 dc4 15.Qc4 Nd7 16.0-0 Nb6 (16...Rc8 17.Qe2=) 17.Qe2 (17.Qb3 Rc8+=) 17...Rc8 (17...e5 18.Nb3=) 18.Rfd1+= Qc7 (18...Qe8 19.Nb3 Bb2 20.Qb2+=) 19.Nb3 (19.Rac1 Qb8 20.Nb3 Rc1 21.Rc1 Bb2 22.Qb2 Rc8 (22...Na4? 23.Qd4+–) 23.Rc8 Qc8=) 19...Bb2 20.Qb2 Nc4 (20...Rfd8 21.Rdc1 Qd7 22.Qd4+= (worse is 22.Na5 Na4 23.Qb4 Nc3+=)) 21.Qc3 (21.Qe2 Rfd8+/–) 21...Rfd8 22.h3 (22.Rac1 Rd1 23.Rd1 Nb6 24.Qa5 Ra8+=) 22...b6 (22...e5 23.Rac1=) 23.Nd4 (23.Rd8 Qd8 24.Nd4 Rc5+=) 23...Rd5 (23...Qe5 24.Qb3 Rc5 25.Nc6 Rd1 26.Rd1+=) 24.Rac1 Qe5 (24...Qd7 25.Qb3 Qc7 26.Nc6 Rd1 27.Rd1+/–) 25.Qb3+/– Nd6 26.Nc6 Rd1 27.Rd1 Qf6 (27...Qg5 28.Qd3 Qf6 29.e4+–) 28.Qd5 Kf8 (28...Re8 29.Ne7! Re7 30.Qd6+/–) 29.e4+– Qf4 (29...Ne8 30.Qd7 Qe6 31.Qd4+–) 30.e5 (30.Qd4 f6 31.f3 Nb7 32.Qb6 Qc7 33.Qc7 Rc7+–) 30...Ne4 (30...Nf5 31.Qd7 Ra8 32.g4+–) 31.Qd4 Qf5 32.Qb6 (32.e6 Nf6+–) 32...Nc3 33.Re1 Na4 34.Qa5 Nc5 (34...Qc2 35.Qb4 Re8 36.Qh4+–) 35.Qa3 (35.Qa7 Nd3 36.Rd1 Re8+–) 35...Nd3 36.Qe7 Kg8 (36...Kg7 37.Re2+–) 37.Qf6 Qf6 38.ef6 Ne1 (38...Kf8 39.Rd1 Nc5 40.b6+–) 39.Ne7 Kf8 40.Nc8 Nd3 41.Nd6 1–0. Matt,Fabian (2275) – Groetz,Harald (2280), TCh–AUT, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 d5 5.e3 Bg7 6.Bb2 0-0 7.d4 c6)

8.a4 Re8 9.Nbd2 Nbd7 10.cd5 cd5 11.Qb3 Nb6 12.Be2 Nfd7 13.0-0 e5 14.de5 Ne5 15.Be5 Be5 16.Ne5 Re5 17.Rfd1 Re7 18.Nf3 Be6 19.Nd4 Rc7 20.e4 (20.Qa2 Rac8+=) 20...Rac8 (20...Qg5!?=) 21.Ne6+/– fe6 22.Bg4 Qf6 23.ed5 Nd5 24.Be6 Qe6 25.Qd5 Qd5 26.Rd5 Rc1 27.Rd1 Rd1 28.Rd1 Rc4 29.g3 Ra4 30.Rd8 Kg7 31.Rd7 Kh6 32.Rb7 Rb4 33.Kg2 Kg5 34.Rh7 Rb5 35.Ra7 Kf5 36.h4 Rc5 37.Ra6 g5 (37...Rb5!?+/–) 38.h5+– Kg4 39.h6 Kh5 40.h7 Rc8 41.Ra5 Kg6 42.Kh3 1–0. Delithanasis,Dimitrios (2265) – Kakkanas,Evangelos (2020), Nikaia op, 2009. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 a5 7.b5 c6)

8.a4 Bg4 9.c5 b6 10.h3 Bf3 11.Qf3 Ne4 (11...bc5!? 12.dc5 Ne4 13.Bg7 Kg7+=) 12.cb6= Qb6 13.Nc3 f5 14.Be2 Nd7 15.Ne4 fe4 16.Qg4 Rf5 17.Rc1 cb5 18.Bb5 Qd6 19.0-0 Nf6 20.Qe2 Ne8 ½–½. Choma,Juliana Luiza (1885) – Fischer,Ivo Lucio (1870), Parana–ch Foz do Iguacu, 2008. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 a5 7.b5 c6)

8.Nc3 cb5 9.cd5 b4+=.

8.Nc3 Bd7 9.Ne5 dc4 10.Nd7 Nbd7 11.Bc4 c5 12.dc5 Nc5 13.0-0 Nfe4 14.Ne4 Ne4 15.Bg7 Kg7 16.Bd5 Nd6 17.a4 Rc8 18.Qd4 Kg8 19.Rfd1 Qc7 20.e4 b6 ½–½. Rue Bullons,Josep Maria (2145) – Tarrago Antoni,Maurici (2130), Catalunya–ch U20, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 a5 7.b5 c6)

8.bc6 bc6 9.Nbd2 Ba6 10.Be2 Nbd7 11.0-0 Rb8 12.Ba3 Re8 13.cd5 Be2 14.Qe2 cd5 15.Rfc1 Nb6 (15...Ne4 16.Ne4 de4 17.Nd2=) 16.Rab1 (16.Ne5 Rb7+/-) 16...Qd7 17.Ne5 Qe6?? (better 17...Qa4 18.Qd3 Ne4=) 18.Rc6+- Qf5 19.Rbb6 Rb6 20.Rb6 Ne4 (20...Qc2 21.Ra6+-) 21.Ne4 Qe4 (21...Be5 22.Nc3 Bf6 23.Qb5+-) 22.f3 (22.Qb5!? Rc8 23.Rb8 Qc2 24.Rc8 Qc8+-) 22...Qf5 (22...Qh4 23.g3 Qh6 24.Ng4+-) 23.g4 (23.Qb5 Rc8 24.Rb8 Be5 25.de5 Kg7 26.Rc8 Qc8 27.Be7 Qc3 28.Bf6 Kh6+-) 23...Qc8 (23...Qg5 24.f4 Qh4 25.Rb5+-) 24.Qb2 (24.Nc6 Qc7 25.Qb5 Bh6+-) 24...h5 (24...Bh6 25.Qd2+-) 25.h3 (25.gh5!? Be5 26.de5 Qf5 27.hg6 Qf3 28.gf7 Kf7 29.e6 Kg6 30.Qg2 Qg2 31.Kg2 a4+-) 25...hg4 26.hg4 Be5 27.de5 Qc4 28.Kf2 (better 28.Rb8 Rb8 29.Qb8 Kh7+-) 28...e6 29.Rb8 Rb8 (29...Qc6+-) 30.Qb8 Kh7 31.Qf8 Qa2 32.Kg3 Qa1 (32...Qa3 33.Qa3 Kg7 34.Qa4+-) 33.Qf7 Kh8 34.Qf6 Kh7 35.Qh4 (35.Bf8 Qe1 36.Kf4 Qb4 37.Bb4 g5 38.Kg5 ab4 39.Qh6 Kg8 40.Kf6 d4 41.Qg7) 35...Kg8 36.Qd8 Kh7 37.Qe7 Kh6 (37...Kh8 38.Kf4 Qb1 39.Kg5 Qe1 40.Kg6 Qb1 41.e4 Qe4 42.fe4 de4 43.Qd8) 38.g5 Kh5 39.Qh7 Kg5 40.Qh4 Kf5 41.Qf4 (41.Qf6) 1-0. HIALUPHARMpl (2615) - filmer75 (2665). Rated bullet game, lichess.org, 2022.

8.bc6 bc6 9.Nbd2 Bg4 10.Qc2 Na6 11.a3 c5 12.cd5 cd4 13.Nd4 Qd5 14.f3 Bd7 15.Ba6 Ra6 16.0-0 (better is 16.Nc4!?=+) 16...Rc8-/+ 17.Qd3 Rb6 18.Bc3? (18.e4 Qd6 19.e5 Qe5 20.f4–+) 18...e5–+ 19.e4 Qc5 20.Kh1 (20.Rfc1 ed4 21.Bd4 Qc1 22.Rc1 Rc1 23.Kf2 Bb5–+) 20...ed4 (better is 20...Qc3 21.Qc3 Rc3–+) 21.Bd4 Qd6 (better is 21...Rd6!? 22.Nb3 Qh5 23.Rfd1–+) 22.e5 Qd5 23.ef6? (23.Qe3 Re6 24.Rac1–+) 23...Bf6 (24.Ne4 Bd4–+ (24...Qd4?! 25.Nf6 Qf6 26.Qd7=); 23...Rf6?! 24.Ne4 Re6 25.Rfd1=+) 0–1. slavisa11 – qweasd, Caissa.com, 2004.

8.bc6 Nc6 9.Nbd2 Bf5 10.Be2 Nb4 11.0-0 Rc8 12.a3 Bc2 (12...Nd3 13.Rb1=) 13.Qc1= Bd3 14.Qd1 (worse 14.ab4 Be2 15.ba5 Bf1 16.Qf1 Qc7-/+) 14...Bc2 15.Qc1 Bd3 16.Qd1 (worse 16.ab4 Be2 17.Ra5 b6-/+) 16…Bc2 ½-½. opperwezen (2860) - Blitzstream_twitch (2585), Rated Blitz game, lichess.org.

7.b5 Nbd7

8.c5 c6 9.a4 Re8 10.Qc2 (10.Bd3 e5 11.Ne5 Ne5 12.de5 Nd7=) 10...e5= 11.Be2 e4 (11...ed4 12.Nd4 Qe7 13.bc6 bc6 14.Nc6 Qc5 15.Na3=) 12.Nfd2 h5 (12...Nb8 13.h3+=) 13.h3 Nf8 14.Nb3 Ne6 15.b6 (15.Qd2 b6+/-) 15...Nh7 (15...Nd7 16.Qd2+=) 16.N1d2 (16.0-0 Qg5 17.Qc3 f5+/-) 16...f5 17.g3 h4 18.0-0-0 (18.Qc3 Qg5 19.0-0-0 Qh6+=) 18...hg3 19.fg3 Qg5 20.Nf1 Nf6 21.h4 Qh6 22.Bc3 Rf8 23.Kb2 Ng4 24.Bg4 fg4 25.Qe2 (worse 25.Na5 Nc5 26.dc5 Ra5-/+) 25...Rf3 (25...Ng5 26.Nfd2 Nf3 27.Rdf1=) 26.Nbd2+= (worse 26.Ba5 Nc5 27.Nc5 Ra5=+; worse 26.Na5 Nc5 27.dc5 Ra5-+) 26...Bd7 (26...Rf7!?+=) 27.Nf3+/- gf3 28.Qf2 Qh8 29.Rc1 Rf8 (29...Qh5 30.Nh2+/-) 30.g4 Nd8 31.Rg1 (worse 31.Ba5 Bg4 32.Bc3 Ne6+=) 31...g5 (31...Nf7 32.h5+-) 32.hg5+- Ne6 33.Ng3 (33.Nd2 Kf7+-) 33...Qh4? (better 33...Ng5!? 34.Rh1 Nh3+/-) 34.Rh1 (34.Ne4 Qf2 35.Nf2 Ng5+-) 34...Qg5 35.Nf5 Be8 (35...Qg4 36.Nd6 Ng5 37.Nb7+-) 36.Rcg1 Bg6 37.Ng7 (37.Nd6!? Nd8+-) 37...Kg7 38.Qh4 (better 38.Be1+-) 38...Qe3? (better 38...Qh4 39.Rh4 Bf7+/-) 39.Re1 (better 39.Qe7 Bf7 40.g5+- (40.Qb7 Qe2 41.Ka1 f2=+)) 39...Qg5+= 40.Qg5 (40.Qh2 Kf7+=) 40...Ng5= 41.Bd2 (41.Ba5? f2-+) 41...Kf6 42.Be3 Ne6 43.Kc3 Rg8 44.Rh6 Ke7 45.Reh1 Bf7 46.Rg1 Ng5 47.Kd2 f2 (47...Be8 48.Ke1+=) 48.Rf1 Nf3 49.Ke2 Rg4 50.Rf2 (50.Kf2 Rg7+/-) 50...Rg7 51.Bf4 (51.Rh8 Ke6+=) 51...Be6 (51...Nd4 52.Kd2=+) 52.Be5 (52.Ke3 Bf5+/-) 52...Rf7 (better 52...Ne5!? 53.de5 d4=+) 53.Bd6+/- Kd7 54.Ke3 Rg7 55.Rf6 (55.Rh8 Bg8+/-) 55...Nh4 (better 55...Rg8+/-) 56.Rh2 (56.Rf8 Ng2 57.Rg2 Rg2 58.Rb8+-) 56...Nf5= 57.Kf4 Nd6 58.cd6 Rg4 (58...Kd6!? 59.Rhh6 Re7+=) 59.Ke3+= Rg3 60.Ke2 Bg4? (better 60...Rg7+=) 61.Kf2+- Rf3 62.Rf3 Bf3 63.Ke3 (better 63.Rh7 Kd6 64.Rb7+-) 63...Kd6 64.Rh7 Bg4 65.Rb7 Bc8 (65...Bc8 66.Rc7 Bg4+-). tuti2500 (2465) - lovlas (2595), Rated Blitz game, lichess.org, 2016. (=1.d4 D70: Gruenfeld: Unusual White 3rd moves (met by ...d5) 1...d5 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.b4 0-0 6.Bb2 a5 7.b5)

8.Nbd2 a4 9.Qc1 Ne4 10.cd5 Nd2 11.Nd2 Nb6 12.Bd3 Nd5 (worse is 12...Qd5 13.Qc7 a3 14.Bc1+/–) 13.0-0 Bf5 14.Bf5 gf5 15.Ba3 Qd7 16.Rb1 Kh8 17.Qc2 Rg8 18.Rfc1 Bf6 19.Kf1 Rg6 20.Nf3 f4? (better is 20...Qe6=) 21.e4+– Rg2 22.ed5 (22.Kg2 Rg8 23.Kf1 Ne3 24.fe3 Qh3 25.Ke2 Rg2 26.Kd3 Rc2 27.Rc2 Qf3+=) 22...Qg4 23.Qe4 Bh4 24.Rb2 Rg8 (24...f5 25.Qd3 Qh3 26.Ke1 Rg1 27.Kd2+–) 25.Ke1 Qh3 26.Rbc2 f5 27.Qe5 (27.Qf4 R2g4 28.Qe5 Bf6-/+) 27...Bf6 28.Qe2 (28.Qf4 R2g4 29.Qe3 Re4–+) 28...Bh4 (28...Rg1 29.Kd2 Rc1 30.Rc1+– (worse is 30.Bc1 Rd8+–)) 29.Nh4 (29.Nh4 Rg1 30.Kd2 Qa3 31.Qe5 R1g7 32.Nf5 Qb4 33.Rc3 Qb2 34.Ke1+–) 1–0. Johannes,Jan (2190) – Gnuechtel,Andreas (2245), CiF, 2008.

8.Nbd2 a4 9.Rc1 c6 10.Be2 Ne4 11.Ne4 de4 12.Ng5 (12.Nd2 Nf6+=) 12...Nf6 13.h4 h6 14.Nh3 cb5 15.cb5 a3 16.Ba1 Be6 17.Qd2 ½–½. Manic,Jovica (2340) – Jovanovic,Sasa M (2330), YUG–chT Vrnjacka Banja, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.e3 d5 7.d4 Nbd7)

8.Nbd2 c5 9.Rc1 a4=.

8.Nbd2 c5 9.bc6 bc6 10.Be2 a4 (10...c5 11.Rb1=) 11.Rc1 Ba6 12.0-0 (worse is 12.Qa4 Bc4 13.Qb4 Be2 14.Ke2 Ra2-/+) 12...Qb8 13.Ba3 Re8 14.Rb1 (14.Re1 e5+=) 14...Qc7= 15.cd5 (15.Re1 e5=) 15...Nd5 (15...cd5 16.Ba6 Ra6 17.Qe2=) 16.Ba6+= Ra6 17.Qc2 (17.Ne4 f5 18.Nc5 Nc5 19.Bc5 Raa8+/–) 17...e5 18.Nc4 ed4 19.Nd6 Rb8 (19...Rd8 20.Nd4 N7b6 21.Ne4+=) 20.Rb8 Qb8 (20...Nb8 21.Ne8 (21.Nd4?! Be5 22.Qc5 Ra5=) 21...Qc8 22.Ng7 Kg7 23.Nd4+/–) 21.ed4 (worse is 21.Nd4 c5 22.Bc5 Nc5 (22...Rd6?! 23.Bd6 Qd6 24.Qa4=) 23.Nf7 Qb4–+) 21...Bf8 22.Nc4 (22.Rb1 N5b6 23.Ne5 Bd6 24.Nd7 Qd8 25.Nb6 Ba3 26.Qc6 Bd6+/–) 22...Ba3 23.Na3 N7f6 (23...Qb4 24.Nc4=) 24.Rb1 (24.Nc4 Nb4 25.Qe2 Ra7+=) 24...Rb6 (24...Nb4 25.Qc5 Nfd5 26.Nc2+=) 25.Rb6 Qb6 26.Qa4 Qb2 (26...Ne4 27.Qb3+=) 27.Nc2+/– Nc3 28.Qb3 (28.Qc6?? Qc2 29.Qa8 Kg7–+) 28...Qc1 29.Nce1 Nfe4 30.g3 Kg7 (30...Qa1 31.a3+/–) 31.Kg2 Ne2 (31...f5 32.Nd3 Qa1 33.Qb7 Kh8 34.Nfe5 Qa2 35.Nf7 Kg7 36.Ng5 Kf8 37.Qc8 (37.Nh7?! Kg8=; 37.Qc6?! Ng5 38.Qc3 Qd5 39.Kf1 Qh1 40.Ke2 Qf3 41.Ke1 Qh1 42.Ke2 Qf3 43.Ke1 Qh1 44.Ke2=) 37...Ke7 38.Qc7 Ke8 39.Qc6 (39.Qh7?! Ng5 40.Qg6 Qf7 41.Qg5 Qd5 42.f3 Qd4 43.Qf5 Nd5 44.Qe5 Qe5 45.Ne5 Nb4+–) 39...Kd8 40.Qb6 Ke8 41.Qb8 Ke7 42.Qe5 Kd7 43.Qg7 Ke8 44.Qh8 Kd7 45.Qh7 Kc8 46.Qg6+–) 32.Qe3 (better is 32.Ne5!? Nd6 33.Qb4+–) 32...Qe3+/– 33.fe3 N2c3 34.a3 c5 (34...f6 35.g4+/–) 35.Nd3 c4 (better is 35...Na4!?+/–) 36.Nde5 (36.Nb2 Kf6+–) 36...Nd6 (36...Kf6 37.Nc4 Ke6 38.Nfd2+–) 37.Nd2 Ndb5 (37...Kf6 38.Nec4 Nc4 39.Nc4+–) 38.Ndc4 f6 (38...f5 39.g4+–) 39.Nd7 Kf7 40.Nc5 Ke7 41.Kf3 (better is 41.a4 Nd6 42.Nd6 Kd6 43.Kf3+–) 41...Nd6 (41...Nc7+–) 42.Nd6 Kd6 43.a4 (better is 43.Ne4 Ne4 44.Ke4 Ke6+–) 43...Kc6 (43...Nd5 44.a5+–) 44.h4 (44.e4 Na2+–) 44...f5 45.a5 Kb5 46.a6 Kb6 47.Nd7 (47.Nd7 Ka6 48.Nf8+–) 1–0. Larsen,Pelle O (2140) – Pedersen,Karl (2250), 49th Danish Championship XtraCon, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.d4 d5 7.e3 Nbd7)

8.Nbd2 c5 9.Be2 cd4 10.ed4 (10.Bd4 b6+=) 10...a4 11.0-0 a3 12.Bc3 dc4 13.Nc4 Nd5 14.Bd2 N7b6 15.Ba5 Ra5 (15...Bg4!?=) 16.Na5+/– Nc3 17.Qd2 Nbd5 (17...Bd4 18.Rad1+=) 18.Nb3 (18.Bc4!?+/–) 18...Bg4+= 19.Rac1 (better is 19.Rfe1+=) 19...Bh6+= 20.Qh6 Ne2 21.Kh1 Bf3 (21...Nc1?! 22.Ng5 Nf6 23.Rc1=) 22.Rce1 Ndf4 23.gf3 Qd5 24.Nd2 f5 25.Re2 Ne2 26.Qe3 (26.Re1!? Qe6 27.Qe3 Qe3 28.fe3=) 26...Nd4-/+ (26...Qa2 27.Qe2 Ra8 28.Rc1+–) 27.Qa3 e5 28.Rc1 (28.b6 Rc8-/+) 28...b6 29.Qe3 Qb5 30.Rb1 Qc5 31.Kg2 Rd8 32.Nb3 Qd5 33.Rc1 Ne6 34.h3 Nf4 35.Kh2 Qd6 36.Re1? (36.a4 Qf6 37.Qc3 Qh4 38.Qc4 Kg7–+) 36...Qf6 37.Rg1 Rd3 38.Qc1 (38.Qe1 Qc6 39.Rg3 Qc2–+) 38...Rf3 39.Qc8 Qf8 40.Qc4 (40.Qf8 Kf8 41.Rf1 e4–+) 40...Qf7 (better is 40...Kh8!? 41.Rg3 Rf2 42.Kg1 Ra2 43.Nc1–+) 41.Qc8 Kg7 42.Rd1 Rh3 (42...Rf2!? 43.Kg1 Nh3 44.Kh1–+) 43.Kg1 Rd3 1–0. Tomovic,Vasilje – Janosevic,Dragoljub, Belgrade, 1963. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5 6.b5 d5 7.d4 Nbd7)

7.b5 Ne4

8.Nc3 Nc3=+ 9.Bc3 c6 (9...Nd7 10.cd5 Nf6 11.Bd3 Qd5 12.Qb3=) 10.bc6 (10.Rc1 Bf6+=) 10...bc6 11.Bd3 Ba6 12.Qe2 Nd7 13.Rc1 Nb6 14.cd5 Bd3 15.Qd3 cd5 16.Nd2 Qd7 17.0-0 Rfc8 18.Rc2 Nc4 19.Rfc1 Nd2 20.Bd2 Rc2 21.Qc2 e6 22.a4 (22.g3 a4=) 22...Bf8 23.Rb1 Rc8 24.Qb3 Rc4 (24...Bb4 25.Bb4 Rb8 26.Qc2 Rb4 27.Rb4 ab4 28.h4=) 25.Qb5 Qb5 26.Rb5?? (26.ab5 a4 27.b6 Rc8=) 26...Ra4 (better 26...Bb4 27.Kf1 Bd2-+) 27.Ra5= Ra5 ½-½. opperwezen (2800) - Blitzstream_twitch (2645), Rated Blitz game, lichess.org.

8.Nbd2 a4 9.Ba3 c6 (9...c5 10.Rc1 Bg4 11.Bc5 (11.dc5 Bc3 12.Rc3 Nc3+=) 11...Nc5 12.dc5+=) 10.Ne4+= de4 11.Nd2 f5 12.bc6 bc6 13.Rb1 Qc7 14.Be2 Na6 (14...Rd8 15.Bc5 Ra6 16.f4+=) 15.c5 e5 16.de5 (16.Bc4 Kh8 17.de5 Be5 18.Qa4 Rd8+=) 16...Be5 (16...Be6 17.Nc4=) 17.Nc4 (better 17.Qa4!? Kg7 18.Bb2+/-) 17...Bc3= 18.Kf1 Be6 19.g3 Rfd8 (19...Qf7 20.Nd6 Qf6 21.Rb6=) 20.Qc2= Qg7 21.Kg2 Nc7 22.Rb7 Bf6 23.Rhb1 Bc8 24.R7b6 Bd7 25.Nd6 Be5 (25...Nd5!? 26.Bc4 Be6+=) 26.Bc4+/- Ne6 27.Rb7 Qf6 28.Bb2 Kf8 29.Be5 Qe5 30.Be6 Qe6 31.Qc3 Kg8 (31...Qa2 32.Qh8 Ke7 33.Qg7 Ke6 34.Rd1 Rac8 35.Qf7 Ke5 36.Qe7 Qe6 37.Nf7) 32.Nc4 g5 (better 32...f4 33.ef4 Qf7+-) 33.Nb6 f4 34.Na8 (34.Nd7?! f3 35.Kg1 Rd7 36.Rd7 Qd7=; 34.Rd7?! Rd7 35.Na8 f3 36.Kg1 Qa2+/-; 34.ef4 e3 35.Qe3 Qe3 36.fe3 Bf5 37.Na8 Bb1 38.Rb1 Ra8+-) 34...Qh3 (34...Ra8 35.Qd4 Qh3 36.Kh1 fg3 37.fg3+-) 35.Kh1 fg3 36.fg3 Ra8 37.Qf6 Rf8 38.Qg5 Kh8 39.Kg1 1-0. marekt (2150) - crnkovic (2100), gameknot.com, 2020. (=1.Nf3 d5 2.b4 a5 3.b5 Nf6 4.c4 g6 5.e3 Bg7 6.Bb2 0-0 7.d4)

8.Nbd2 c5 9.cd5+= Nd2 10.Qd2 Qd5 11.a4 (11.Rc1 Rd8+=) 11...cd4 (11...Bg4 12.Ne5 Be5 13.de5 Qd2 14.Kd2 Rd8 15.Kc2+=) 12.Bd4+= e5 (12...Rd8!?+=) 13.Be5+/– Qd2 14.Kd2 Rd8 15.Ke1 Bf8 (15...Be5 16.Ne5 Be6 17.Bc4+/–) 16.Be2 (16.Bf6 Rd6 17.Bd4 Nd7+–) 16...Bb4 17.Kf1 Nd7 (17...Be6 18.Nd4+/–) 18.Bd4 (18.Rd1 Re8 19.Bd4 Nc5 20.Bc5 Bc5+–) 18...Nc5+/– 19.h4 (19.Bc4 Bf5+/–) 19...Be6 (19...Nb3 20.Rb1 Be6 21.h5+/–) 20.h5 (20.Ng5 Rac8 21.Ne6 Ne6+/–) 20...Nb3 (20...Rac8 21.hg6 fg6 22.Rh6+/–) 21.hg6 (21.Rd1 Rac8+/–) 21...fg6 (21...Rd4 22.ed4 Na1 23.gh7 Kh8 24.Rh4+=) 22.Rb1 (22.Rd1 Rac8+/–) 22...Rac8 23.Kg1 (23.Rd1 Be7+/–) 23...Nc1 (23...Bd5 24.Bf6 Rf8 25.Bb2+/–) 24.Bf1 (24.Bd1 Bg4+/–) 24...Bf5 25.Ra1 (25.Rb2 Ba3 26.Rd2 Bb4+=) 25...Nb3+= 26.Ra2 Nc1 (26...Rc1!? 27.Kh2 Be6=) 27.Rb2+/– Ba3 28.Rd2 Bc2 (28...Bb4 29.Rd1+=) 29.Ne5 (29.Bb6!? Rd6 30.Rd6 Bd6 31.Rh4+/–) 29...Bb4+/– 30.Rc2 (30.Nc6! Bd2 31.Nd8 Rd8 32.Bc4 Kf8 33.Rh7+=) 30...Rc2= 31.Bc4 Kg7?? (better is 31...Rc4 32.Nc4 Ne2 33.Kh2 Nd4 34.ed4 Rd4=) 32.Nd7 1–0. Romero Leon,Antoni – Munoz Visiedo,Juan, Mallorca, 1999. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d5 5.c4 0-0 6.d4 a5 7.b5 Ne4)

8.Nbd2 Bg4 9.Ne4 de4 10.h3+=.

8.cd5 Nf6+=.

6.d4 a6

7.a3 b6 8.Nbd2 Bb7 9.cd5 Nd5 10.Bc4 Nd7 11.0-0 N7f6 12.g3 b5 13.Bb3 Rc8 14.Re1 e6 15.Rc1 Bh6 16.Ne5 Bg7 17.Nc6 Bc6 18.Rc6 Nb6 19.Qc2 Bh6 20.Rc1 Nfd5 21.Ne4 Ne3 22.fe3 Be3 23.Kf1 Bc1 24.Qc1 Nd5 25.Ra6 Nb6 26.d5 ed5 27.Nf6 Kh8 28.Nd5 Kg8 29.Qc3 f6 30.Nf6 Kg7 31.Kg2 Rf6 0–1. barborski – 5minuta, kurnik, 2012.

7.Nc3 Nc6!?=.

7.Nc3 Nbd7 8.cd5+/– (worse is 8.Nd5 Nd5 9.cd5 Nf6=) 8...Nb6 9.e4 Re8 10.a4 e6 11.a5 ed5 12.ab6 Ne4 13.Be2 c6 14.Ne4 Re4 15.h3 Qb6 16.Bc3 Bf5 17.0-0 Rae8 (17...Re7 18.Bd3 Bd3 19.Qd3+/–) 18.Bd3 R4e7 (18...Rf4 19.Bf5 Rf5 20.Re1+/–) 19.Bf5+– gf5 20.Nh4 1–0. pcmvr – davidgheavy (2320), net–chess.com, 2009.

7.Nbd2 b6 8.a3 Bb7 9.Be2 Ne4 10.Ne4 de4 11.Nd2 c5 12.Qb3 cd4 13.Bd4 Bd4 14.ed4 Qd4 15.Rd1 Qe5 16.0-0 Nc6 17.Rfe1 Nd4 18.Qb1 Ne2 19.Re2 Rad8 20.Nf3 Rd1 21.Qd1 Qc3 22.Ng5 Qa3 23.Ne4 Qb4 24.h3 Qc4 25.Ng5 e6 26.Rc2 Qd5 27.Qd5 Bd5 0–1. barborski (1615) – 5minuta, kurnik, 2012.

7.Nbd2 b6 8.c5 Nc6 9.Bc3 bc5 10.bc5 Re8 11.Be2 e5 12.0-0 ed4 13.Bd4 Nd4 14.Nd4 Nd7 15.N2b3 Qe7 16.Bf3 Nc5 17.Bd5 Nb3 (17...Bb7 18.Bb7 Nb7 19.Rc1=) 18.Qb3 (18.ab3 Bd4 19.Qd4 Rd8+=) 18...Bd4 19.ed4 Be6 20.Be6 Qe6 21.Qc3 Qd6 22.Rfe1 Re1 23.Re1 Rd8 24.Rd1 Re8 25.g3 Re2 26.Qc4 ½–½. Dufek,V – Horejs,J, Prague Bohemians, 1977. (=1.Nf3 a6 2.b4 Nf6 3.Bb2 g6 4.c4 Bg7 5.d4 d5 6.e3 0-0)

7.Nbd2 dc4 8.Bc4 b5 9.Be2 Bb7 10.0-0 Nbd7 11.Rc1 Re8 12.Qc2 c6 13.h3 a5 14.a3 a4 15.Bd3 Nd5 16.g3 e5 17.e4 Nc7 18.d5 Nb6 19.dc6 Bc8 20.Rfd1 Qe7 21.h4 Bh6 22.Qc5 Qc5 23.Rc5 Bg7 24.Be5 Be5 25.Re5 Ne6 26.Bb5 Ba6 27.Ba6 Ra6 28.b5 Raa8 29.Rc1 Rac8 30.Nc4 Nc4 31.Rc4 f6 32.Rd5 Nc7 33.Rdc5 Ne6 34.b6 Nc5 35.Rc5 Re6 36.b7 Rec6 37.bc8Q Rc8 38.Rc8 1–0. barborski (1610) – 5minuta, kurnik, 2012.

6.d4 b6

7.a4 c5 8.dc5 bc5 9.b5 (9.bc5 Qa5 10.Nbd2 Qc5+=) 9...a6 (9...Bb7 10.Be2=) 10.Nbd2 Bb7 11.cd5 Bd5 12.Qc2 Qa5 13.Bc3 Qc7 14.Rb1 ab5 15.Bb5 Nc6 (15...Rd8 16.0-0+=) 16.0-0 (16.Bf6 ef6 17.Qc5 Bf3 18.gf3 Rfc8+/-) 16...Na5 17.Rfc1 Rfc8 18.e4 Bb7 19.Be5 Qd8 20.Rd1 Qf8 21.Bc3 Nc6 22.Qa2 (22.Bc4!? Rcb8 23.e5+/-) 22...Nd4= 23.Bd4 cd4 24.Bd3 Bc6 25.a5 (worse 25.Nd4 Ra4 26.Qb2 Ne4 27.Be4 Rd4 28.Bc6 Rc6-/+) 25...Nd7 26.Rdc1 e6 27.Nb3 Qd6 28.a6 f5 29.ef5 (29.Qe2 Rd8=) 29...Bf3 30.Rc8 Rc8 31.gf3 gf5 32.a7 Ra8 33.Bf5! Qc7 (33...ef5 34.Nd4 Double attack (34.Nd4 Decoy)) 34.Be6 Kh8 35.Bd7 Ra7 (35...Qd7 36.Nc5 Qd6 37.Rb7+-) 36.Ba4 Be5 (36...Qf4 37.Re1 Be5 38.Nc5 Qh2 39.Kf1+-) 37.Nd2 (37.Qe2 Qd6 38.Kf1 Bh2+-) 37...d3 (37...Bh2 38.Kf1 Bf4+-) 38.Qe6 Bh2 39.Kg2 Qe5?? (39...Bf4 40.Qe8 Kg7+-) 40.Qc8 Kg7 41.Rb7 (better 41.Rb5 Qf4 42.Rf5+-) 41…Rb7 1-0. Cerveny,M (2380) - Czerwonski,A (2345), FSIM October, 2020. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4)

7.Qa4 A) 7...c5 A1) 8.Nc3 cd4 (8...cb4 9.Qb4 Nc6 10.Qa4 Na5 11.cd5 Nd5 12.Rc1 Qd6) 9.Nd4 e5 10.Nf3 d4 11.Nb5 Qe7 12.Be2 a6; A2) 8.bc5 bc5 (8...Bd7 9.Qb3 Be6 10.cb6 ab6 11.Ng5 Nc6 12.Nc3 Na5) 9.cd5 Nbd7 10.Nc3 Nb6 11.Qb5 cd4 12.Nd4 Nbd5; B) 7...Be6 B1) 8.b5 a6 (8...dc4 9.Bc4 Bc4 10.Qc4 a6 11.Nc3 ab5 12.Nb5 c6) 9.Ng5 Bc8 10.Nc3 Bb7 11.Qb3 ab5 12.cb5 c5; B2) 8.Nc3 dc4 9.b5 a6 10.Bc4 ab5 11.Qa8 bc4 12.0-0 Nd5; B3) 8.Nbd2 Nbd7 (8...a5 9.b5 Qd6 10.Bd3 Qb4 11.Qb3 dc4 12.Qb4 ab4) 9.Bd3 a5 10.b5 Ne4 11.Be4 de4 12.Ne4 Nf6; C) 7...Qd6 C1) 8.c5 Qd7 (8...bc5 9.dc5 Qe6 10.Nd4 Qg4 11.h3 Qh4 12.Nd2 a5) 9.b5 bc5 10.dc5 Qf5 11.Nd4 Qg4 12.Nc3 Nbd7; C2) 8.Nbd2 a5 (8...Bf5 9.c5 Qd7 10.b5 Ne4 11.Ne4 Be4 12.c6 Qf5) 9.b5 Nbd7 10.Bd3 Bb7 11.0-0 Rfe8 12.cd5 Qd5; C3) 8.Nc3 Bb7 (8...a6 9.c5 Qe6 10.Bd3 bc5 11.bc5 Bd7 12.Qa3 Nc6) 9.c5 Qe6 10.Be2 Nbd7 11.0-0 a5 12.Ng5 Qf5; D) 7...Bb7 D1) 8.cd5 a5 (8...Nd5 9.Nc3 Qd6 10.Nd5 Bd5 11.Be2 a5 12.b5 Qb4) 9.b5 Nbd7 10.Nbd2 Nd5 11.Nc4 Rc8 12.Be2 c5; D2) 8.Bd3 dc4 (8...a6 9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 e5 12.Be2 ed4) 9.Bc4 a6 10.Qb3 Qd6 11.Nc3 Nc6 12.Ba3 b5; D3) 8.Nc3 Nc6 (8...Nbd7 9.Bd3 c5 10.Nd5 Nd5 11.cd5 cd4 12.e4 f5) 9.b5 Na5 10.cd5 Nd5 11.Rc1 Qd7 12.Nd5 Bd5.

7.Qb3 a5!?= A) 8.Nc3 dc4 9.Qa4 Qd6 10.Ba3 Nc6 11.Bc4 Nb4 12.Ne5 Bf5; B) 8.a3 ab4 (8...Nc6 9.Nc3 ab4 10.ab4 Ra1 11.Ba1 e6 12.cd5 ed5) 9.ab4 Ra1 10.Ba1 Nc6 11.Nc3 e6 12.c5 Bd7; C) 8.b5 a4 (8...Be6 9.Nc3 Qd6 10.cd5 Nd5 11.Ng5 Nc3 12.Ne6 fe6) 9.Qa3 Be6 10.Ng5 Qd7 11.Ne6 Qe6 12.cd5 Nd5.

7.Qb3 Nc6 A) 8.Nbd2 Be6 (8...Bg4 9.Be2 Qd6 10.c5 bc5 11.dc5 Qe6 12.b5 Bf3) 9.Be2 dc4 10.Bc4 Bc4 11.Nc4 b5 12.Nce5 Qd6; B) 8.Be2 Qd6 (8...dc4 9.Bc4 Qd6 10.Ba3 b5 11.Bb5 Rb8 12.Nc3 Be6) 9.c5 bc5 10.dc5 Qe6 11.Nc3 Rb8 12.b5 a6; C) 8.Nc3 Be6 (8...e6 9.Be2 dc4 10.Qc4 Bb7 11.0-0 a6 12.a3 Qe7) 9.Ng5 dc4 10.Bc4 Bc4 11.Qc4 Qd6 12.a3 a6.

7.Qb3 e6 A) 8.cd5 ed5 (8...Nd5 9.Nc3 Nc6 10.Nd5 ed5 11.Rc1 Bb7 12.Bb5 Ne7) 9.Nc3 Nc6 10.Bb5 Qd6 11.Bc6 Qc6 12.Ne5 Qb7; B) 8.b5 a6 (8...c5 9.Nc3 cd4 10.ed4 Bb7 11.c5 bc5 12.dc5 d4) 9.Nc3 ab5 10.cb5 c5 11.dc5 bc5 12.Be2 Nbd7; C) 8.Nc3 Nc6 (8...Bb7 9.Be2 Nc6 10.0-0 a6 11.h3 Qe7 12.a3 Rad8) 9.Be2 dc4 10.Qc4 Bb7 11.0-0 a6 12.a3 Qe7.

7.b5 a6 8.Nc3 ab5 (8...Bb7 9.a4 Qd6 10.Ba3 Qe6 11.Ng5 Qf5 12.f4 ab5) 9.cb5 c5 10.Be2 Nbd7 11.0-0 Bb7 12.h3 Re8.

7.b5 a6 8.Nbd2 dc4 (8...ab5 9.cb5 c5 10.Be2 c4 11.0-0 Qd6 12.a4 Bf5) 9.a4 c3 10.Bc3 Nd5 11.Qb3 Nc3 12.Qc3 Nd7.

7.b5 a6 8.cd5 ab5 (8...Nd5 9.Nc3 ab5 10.Bb5 Nc3 11.Bc3 Qd6 12.0-0 Nc6) 9.Bb5 Ba6 10.a4 Nd5 11.Nc3 Nc3 12.Bc3 Qd5.

7.b5 dc4 A) 8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qd6 12.0-0 Be6; B) 8.Nbd2 a6 (8...c3 9.Bc3 a6 10.a4 Nd5 11.Qb3 Nc3 12.Qc3 Nd7) 9.a4 c3 10.Bc3 Nd5 11.Qb3 c5 12.Bb2 cd4; C) 8.Nc3 a6 (8...Be6 9.Ng5 Bd5 10.e4 Bb7 11.e5 Nd5 12.Bc4 Nf4) 9.Bc4 ab5 10.Bb5 Qd6 11.0-0 Bb7 12.Bd3 Nc6.

7.b5 c5 A) 8.cd5 Nd5 (8...cd4 9.Bd4 Bb7 10.Nc3 Nd5 11.Nd5 Qd5 12.Rc1 Rd8) 9.Nc3 a6 10.Ne5 ab5 11.Bb5 Ba6 12.Qf3 Nc3; B) 8.dc5 bc5 9.Qb3 Bb7 10.cd5 Bd5 11.Bc4 Bc4 12.Qc4 a6; C) 8.Nc3 cd4 9.Qd4 Ne4 10.Ne5 Nc3 11.Bc3 Bb7 12.f4 Nd7.

7.Nc3 Bb7 A) 8.Rc1 Nbd7 (8...Nc6 9.b5 Na5 10.cd5 Nd5 11.Be2 Rc8 12.0-0 c5) 9.Bd3 dc4 10.Bc4 e6 11.0-0 Qe7 12.Qb3 a6; B) 8.h4 e6 (8...a5 9.b5 Qd6 10.cd5 Nd5 11.Bc4 a4 12.a3 Nc3) 9.Be2 dc4 10.Bc4 Qd6 11.a3 a5 12.Nb5 Qe7; C) 8.Qb3 e6 (8...a5 9.b5 Ne4 10.Nd5 e6 11.Nf4 Nd7 12.Be2 Ndf6) 9.Bd3 dc4 10.Qc4 Nc6 11.a3 Ne7 12.0-0 Bf3.

7.Nc3 Nc6 A) 8.Qa4 Bb7 9.b5 Na5 10.cd5 Nd5 11.Rc1 Qd7 12.Nd5 Bd5; B) 8.Qb3 Be6 (8...e6 9.Be2 dc4 10.Qc4 Qd6 11.b5 Nb4 12.0-0 Nbd5) 9.Ng5 dc4 10.Bc4 Bc4 11.Qc4 Qd6 12.a3 h6; C) 8.b5 Na5 9.cd5 Nd5 10.Rc1 a6 11.ba6 c6 12.e4 Nb4.

7.Nc3 Be6 A) 8.b5 dc4 (8...a6 9.Ng5 Bf5 10.cd5 ab5 11.Bb5 Nd5 12.0-0 Nc3) 9.Ng5 Bd5 10.e4 Bb7 11.e5 Nd5 12.Bc4 Nf4; B) 8.Qb3 Nc6 (8...a5 9.b5 Qd6 10.Ng5 dc4 11.Bc4 Bc4 12.Qc4 Qb4) 9.Ng5 dc4 10.Bc4 Bc4 11.Qc4 Qd6 12.a3 a6; C) 8.Ng5 Nc6 (8...Bg4 9.Qb3 h6 10.h3 Bf5 11.Nf3 e6 12.cd5 ed5) 9.Ne6 fe6 10.b5 Na5 11.cd5 Nd5 12.Qg4 Qd6.

7.c5 bc5 8.bc5 (8.dc5 Bf5=) 8...c6 (8...Bf5 9.Nc3=) 9.Bd3 (9.Nc3 Bg4=) 9...Nfd7 10.Qc2 (10.Qd2 Ba6=) 10...Ba6 11.Bc3 (11.Ba6 Na6 12.0-0 Rb8=) 11...Bd3 12.Qd3 e5 13.Ne5 Ne5 14.de5 Nd7 15.f4 (15.0-0 Ne5 16.Qa6 Qc7+=) 15...Nc5 16.Qc2 Qh4 (16...Ne4 17.0-0+=) 17.Kf1 (17.g3 Qh5 18.Nd2 Rfc8+=) 17...Ne4 18.Be1 Qg4 19.Nd2 (19.Nc3 Nc3 20.Bc3 f6 21.ef6 Bf6-/+) 19...Nd2 20.Bd2 Rac8 21.Rb1 (21.Bc3 f6 22.ef6 Bf6-/+) 21...c5 (21...f6 22.ef6 Bf6 23.Rb7-/+) 22.Rb7 (22.Rb5+=) 22...d4 (22...f6!? 23.ef6 Rf6 24.Ra7 Rb6+=) 23.Kf2= (worse is 23.Ra7 d3 24.Qc1 f6-/+) 23...Qh4 (23...Qe6 24.ed4 cd4 25.Qd3=) 24.Kf3 (24.g3 Qh5+=) 24...g5 (24...Qh5 25.Kf2=) 25.Qf5 (25.ed4 Qh5 26.Kf2 gf4 27.Bf4 cd4=) 25...Qh5 26.Kf2 Qg6 (26...Rb8 27.Rhb1 Rb7 28.Rb7 Qd1=) 27.g4 (27.Qg6 fg6 28.ed4 cd4=) 27...Qa6 (27...gf4 28.ed4 cd4 29.Ra7+=) 28.Rhb1 (28.Rb2 gf4 29.ed4 Qc4 30.Qf4 f6-/+ (30...Qd4?! 31.Qd4 cd4 32.Bf4=; worse is 30...cd4 31.Re1+=)) 28...gf4 (28...de3 29.Be3 gf4 30.Bf4 Qa2 31.R1b2+=) 29.ed4 Qa2 30.R1b2 Qd5 (30...Qa4!? 31.Rd7 Rc7 32.Rc7 Qd4 33.Kf3 Qb2 34.Bf4 Qb6+=) 31.Rd7+= (worse is 31.Qf4 f6 32.e6 f5+=) 31...Qh1 32.Bf4 cd4 33.Rbb7?? (better is 33.Rb1 Qc6 34.Rbb7+=) 33...Rc3–+ 34.Bg3 (34.Bd2 Rh3 35.Ke2 d3 36.Rd3 Rh2 37.Ke3 Qb7–+) 34...Rc1 35.Bf4 (35.Qd3 Rg1 36.Qe4 (36.Qd4 Rf1 37.Ke2 Qf3 38.Kd2 Rd1 39.Kc2 Rd4 40.Rd4 Rc8 41.Kd2 Bh6 42.g5 Bg5 43.Bf4 Qf2 44.Kd1 Qd4 45.Ke1 Qf4 46.Rb1 Qd2 47.Kf1 Be3 48.Rb7 Rc1) 36...Rf1 37.Ke2 Re1 38.Be1 Qe4 39.Kf1–+) 35...Qf1 36.Kg3 Rc3 37.Be3 (37.Qd3 Rd3 38.Be3 Re3 39.Kh4 Rh3 40.Kg5 h6) 37...Re3 0–1. Hermann – Lorenz, BRD, 1988. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.d4 b6)

7.c5 c6 8.Nc3=.

7.Nbd2 a6 A) 8.a3 Bf5 (8...a5 9.b5 Bf5 10.cd5 Qd5 11.Bc4 Qb7 12.0-0 Nbd7) 9.cd5 Qd5 10.Bc4 Qd6 11.Qe2 Nc6 12.e4 b5; B) 8.Qb3 Nc6 9.Bd3 a5 10.b5 Nb4 11.cd5 Nfd5 12.0-0 a4; C) 8.Bd3 dc4 (8...Nc6 9.a3 Qd6 10.0-0 Bb7 11.Qb3 dc4 12.Qc4 Rad8) 9.Nc4 Nc6 10.a3 Qd5 11.0-0 Bf5 12.Bf5 gf5.

7.Nbd2 dc4 8.Bc4= Bb7 9.0-0 e6 10.Ne5 Nc6 11.Nc6 Bc6 12.b5 Bb7 13.Rc1 Qd7 14.Nf3 Ne4 15.Qb3 (15.Qc2 Rfd8+=) 15...Rfd8 16.a4 Rac8 17.Rfd1 Qe7 18.Nd2 Nd2 19.Rd2 c5 20.Bf1 cd4 21.Rc8 Rc8 22.Bd4 Bd5 23.Qb2 Bd4 24.Rd4 f5 25.Rd1 Qg7 26.Qb4 Rc5 27.a5 Qc7 28.ab6 ab6 29.Qh4 Kg7 30.Qd4 e5 31.Qa1 Kh6 32.Qa4 g5 33.Qa3 Kg6 34.h3 h5 35.Qd3 Kf6 36.Qa3 ½–½. Popper,T (2030) – Novosadova,K (2225), Brno Chess Open, 2015. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 b6 6.d4 d5)

7.Nbd2 Nc6 A) 8.cd5 Nd5 (8...Qd5 9.Bc4 Qd6 10.a3 Bf5 11.0-0 a6 12.Qe2 b5) 9.b5 Na5 10.Bd3 a6 11.a4 Bb7 12.0-0 Nb4; B) 8.Qb3 Qd6 (8...Bg4 9.Ne5 Ne5 10.de5 Nd7 11.cd5 Bh5 12.f3 Ne5) 9.b5 Na5 10.Qa3 a6 11.Qd6 ed6 12.cd5 ab5; C) 8.b5 Na5 9.Ne5 a6 10.Qf3 Qd6 11.Rc1 ab5 12.cb5 Qb4.

7.Nbd2 Nbd7 8.cd5 Nd5 9.Qb3 Bb7 10.Bc4 e6 11.0-0 a6 12.a4 c6 13.b5 c5 14.Rfc1 a5 15.Be2 Rc8 16.Nc4 cd4 17.Bd4 Bd4 18.Nd4 Nc5 19.Qa3 Nb4 20.f3 Bd5 21.Rab1 Qc7 22.e4 Bc4 23.Rc4 Rfd8 24.Qe3 Qe5 25.Rcb4 (better is 25.Rbc1!?=) 25...ab4-/+ 26.Nc6 Qc3 27.Qc3 bc3 28.Bd1? (better is 28.Nd8 c2 29.Rc1–+) 28...Rd7–+ 29.Rc1 Rd2?? (29...Ra8 30.Ne5 Rd4 31.Bc2–+) 30.Kf1?? (better is 30.Ne7 Kg7 31.Nc8+–) 30...Kg7 31.Ne5 (31.Bc2 Ra8 32.Nb4 f5 33.ef5 ef5–+) 31...Nd3 (better is 31...c2 32.Rc2 Rd1 33.Ke2–+) 32.Nd3 Rd3 33.Bc2 Rd2 34.h3 Kf6 35.Kg1 Ke5 36.Kh2 Kd4 37.Kg3 Rc2! 38.Rc2 Kd3 39.Rc1 Kd2 40.Rf1 c2 0–1. Kaenel,Hansjuerg (2405) – Von Allmen,Alain (2220), Winterthur–B, 1996. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 b6 6.d4 d5)

7.Nbd2 Nbd7 8.Be2 c5 9.b5 Bb7 10.0-0 Rc8 11.Qb3 cd4 12.ed4 e6 13.a4 Ne4 (13...dc4 14.Nc4 Bd5 15.Rfc1+=) 14.a5 (14.Ne4!? de4 15.Nd2+=) 14...Nd2+= 15.Nd2 Qg5 (15...dc4!? 16.Nc4 Qg5=) 16.Qe3+= Qe3 17.fe3 Bh6 18.Kf2 dc4 19.Rfc1 (worse is 19.Bc4 Bg2 20.Rfc1 Bd5=) 19...Nf6 (19...Bg2 20.Kg2 Be3 21.Bc3 ba5 22.Kf3 (worse is 22.Bc4 Nb6 23.Ba5 Bd2 24.Bd2 Nc4-/+; 22.Ra5?! Nb6+=) 22...Bd2 23.Bd2+/–) 20.ab6 ab6 21.Nc4 (worse is 21.Bc4 Ng4 22.Ke2 Ne3-/+) 21...Ne4 22.Ke1 Rc4 23.Rc4 Bd5 24.Rc7 (24.Rc2 Be3 25.Ra6 Rb8+/–) 24...Be3+= 25.Bc4 Bf4 26.Bd5 ed5 27.Rca7 Bh2 28.Ra8 Bb8 29.Kd1 Kg7 30.R1a6 Rc8 (30...Bc7 31.Rf8 Kf8=) 31.Rb6+– Nf2 32.Ke1 Rc2?? (better is 32...Nd3 33.Ke2 Nb2 34.Rbb8 Rc2 35.Kf3 Rc3 36.Kf4 Nd3 37.Kg5 h6 38.Kg4 Nf2 39.Kf4 Nd3 40.Ke3 Nc5 41.Kf2 Ne4 42.Kg1 Rc1 43.Kh2 Nd2+/–) 33.Ba3+– (33.Rbb8 Rb2 34.b6 Nd3 35.Kf1 Rb1 36.Ke2 Nf4 37.Kf3 Rf1 38.Kg3 Ne2 39.Kh2 Nd4+–; 33.Rab8?! Nd3 34.Kf1 Rf2 35.Kg1 Rb2+=) 33...Ng4 34.Rab8 h5 35.Bf8 Kh7 36.R6b7 Ne3 (36...Kg8+–) 37.Rf7 Kg8 38.Rf3 (38.Rg7 Kh8 39.Ra7 Rc1 40.Ke2 Rc2 41.Ke3 Rc3 42.Kd2 Rc2 43.Kc2 Kg8 44.Bd6) 38...Ng2 (38...Nf5 39.b6 Rc1 40.Kd2+–) 39.Kf1 1–0. Delithanasis,Dimitrios (2200) – Aggelis,Nikolaos (2325), Nikea op, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 b6)

7.Nbd2 Bf5 A) 8.cd5 Qd5 (8...c6 9.dc6 Nc6 10.Qa4 Rc8 11.Be2 Qd6 12.a3 Qd7) 9.Bc4 Qd6 10.a3 Nbd7 11.0-0 a5 12.b5 Rac8; B) 8.b5 Qd6 (8...c6 9.Ne5 cb5 10.cb5 Qd6 11.g4 Be6 12.g5 Nh5) 9.Qb3 a5 10.Ba3 a4 11.Qc3 Qe6 12.Bd3 c5; C) 8.Ne5 Qd6 (8...Be6 9.Be2 Qe8 10.Rc1 Nbd7 11.0-0 dc4 12.Ndc4 Ne4) 9.g4 Qb4 10.gf5 Qb2 11.Rb1 Qa2 12.cd5 Qd5.

7.Bd3 A) 7...Nc6 A1) 8.a3 Bg4 (8...Be6 9.Nbd2 a6 10.0-0 Qd7 11.b5 ab5 12.cb5 Na5) 9.h3 Be6 10.Nbd2 dc4 11.Nc4 b5 12.Nce5 Ne5; A2) 8.Qa4 Bb7 (8...Qd6 9.c5 Qe6 10.Nc3 a5 11.a3 bc5 12.bc5 Ba6) 9.b5 Na5 10.cd5 Nd5 11.Nc3 c5 12.0-0 Rc8; B) 7...dc4 8.Bc4 Nc6 (8...Qd6 9.Ba3 c6 10.0-0 Bf5 11.b5 Qc7 12.Qb3 cb5) 9.Nc3 Nb4 10.Qb3 Nc6 11.Ng5 e6 12.Bb5 Na5; C) 7...Be6 C1) 8.Ng5 Bg4 (8...Nc6 9.Ne6 fe6 10.a3 e5 11.Nd2 ed4 12.ed4 Nh5) 9.Qb3 h6 10.h3 Bd7 11.Nf3 dc4 12.Bc4 b5; C2) 8.c5 a5 (8...bc5 9.bc5 Nc6 10.Nc3 Rb8 11.Ba3 Na5 12.0-0 Nc4) 9.cb6 ab4 10.b7 Ra7 11.0-0 Rb7 12.Nbd2 Qd6; C3) 8.Nbd2 dc4 (8...Nc6 9.a3 dc4 10.Nc4 b5 11.Nce5 Qd5 12.0-0 Ne5) 9.Nc4 Qd5 10.0-0 Rd8 11.Qb1 Nbd7 12.e4 Qb7; D) 7...a6 D1) 8.Nbd2 Nc6 (8...dc4 9.Nc4 Nc6 10.a3 Qd5 11.0-0 Bf5 12.Bf5 gf5) 9.a3 Qd6 10.0-0 Bb7 11.c5 Qe6 12.Rc1 Rfc8; D2) 8.a3 dc4 (8...Nc6 9.Nbd2 dc4 10.Nc4 Qd5 11.0-0 Bg4 12.h3 Bf5) 9.Bc4 Nc6 10.0-0 Ne4 11.Nc3 Nd6 12.Bd3 Bf5; D3) 8.Nc3 Nc6 (8...dc4 9.Bc4 Nc6 10.d5 Na7 11.0-0 Bb7 12.Qe2 b5) 9.a3 dc4 10.Bc4 Qd6 11.0-0 Bg4 12.h3 Bf5; E) 7...Qd6 E1) 8.cd5 Nd5 9.a3 Bg4 10.Nc3 Nc3 11.Bc3 c5 12.Be4 Nc6; E2) 8.Qa4 dc4 (8...Bd7 9.b5 a5 10.Qa3 dc4 11.Bc4 Bf5 12.0-0 Nbd7) 9.Bc4 a6 10.Ne5 Bb7 11.Qb3 e6 12.0-0 Nc6; E3) 8.c5 bc5 (8...Qd7 9.cb6 ab6 10.0-0 c5 11.bc5 bc5 12.dc5 Nc6; 8...Qe6 9.Ng5 Qg4 10.Qg4 Bg4 11.h3 Bc8 12.Nc3 Nc6) 9.dc5 (9.bc5 Qd8 10.Nc3 Nc6 11.Ba3 Bd7 12.0-0 Re8) 9...Qc6+= (9...Qd7 10.b5 a6 11.Qa4 Ne4 12.Bg7 Nc5) 10.0-0 a5 11.b5 Qc5 12.Nbd2 Nbd7.

7.cd5 Bb7 A) 8.a3 Nd5 (8...a5 9.b5 Nd5 10.Bc4 c5 11.bc6 Nc6 12.Nc3 Nc3) 9.Nc3 a5 10.b5 c5 11.bc6 Nc6 12.Rc1 Rc8; B) 8.b5 Nd5 (8...a6 9.Nc3 Nd5 10.Qb3 Nc3 11.Bc3 Qd6 12.Qb4 Qb4) 9.Nc3 a6 10.Qb3 Nc3 11.Bc3 Qd6 12.Qb4 Qb4; C) 8.Nc3 Nd5 (8...c6 9.dc6 Nc6 10.a3 Rc8 11.Rc1 Re8 12.Be2 e5) 9.Qb3 e6 10.Be2 Nc6 11.Nd5 ed5 12.0-0 a6.

7.Be2 Bb7 8.0-0 dc4 9.Bc4 Ne4 10.Nbd2 Nd2 11.Nd2 c5 12.bc5 bc5 13.Nb3 (13.Rb1!? cd4 14.Bd4 Bd4 15.Rb7+/–) 13...cd4= 14.Bd4 Nc6 15.Bg7 Kg7 16.Nc5 Na5 17.Be2 Qd1 18.Rfd1 Bc6 19.Nb3 Nb7 20.Rac1 Ba4 21.Rc7 Rab8 22.Re7 Kf6 23.Re4 Rfc8?? (better is 23...Bb3 24.ab3 a5+/–) 24.Ra4+– 1–0. Wannebroucq,Sebastien (2155) – Hulin,Jerome (2020), FRA–chT2C, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 b6)

7.Be2 dc4 8.Bc4 Bb7 9.0-0 Nbd7 10.Nbd2 Ne4 11.Ne4 Be4 12.Ng5 Bb7 13.Qg4 Nf6 14.Qe2 h6 15.Nf3 Nd5 16.b5 c6 17.bc6 Bc6 18.Ne5 Bb7 19.e4 Nf6 (19...Nf4!? 20.Qf3 g5+/–) 20.Ng6+– Be4 21.Nf8 Kf8 22.Rac1 Qd6 23.Rc3 Bb7 (better is 23...Kg8+–) 24.Ba3 Qd7 25.Re1 Nd5 26.Qh5 Kg8 (26...Re8 27.Rf3 f6+–) 27.Rg3 Kh8 (27...e6 28.Qh6 f5 29.Re6+–) 28.Qf7 1–0. Pcmvr – Baggur, playchess.de, 2005.

7.Be2 c6 8.0-0 Bb7 (8...a5 9.b5+=) 9.a4 (9.Nc3 a5 10.a3 Nbd7+=) 9...a6 (9...Na6 10.b5 Nb4 11.Nc3=) 10.Nbd2 Nbd7 11.Qb3 e6 12.Rfc1 Qe7 13.Bd3 (13.a5 b5 14.cb5 cb5+=) 13...Rfb8 14.Ba3 e5 (14...c5!? 15.bc5 bc5+/–) 15.cd5+/– Nd5 (better is 15...cd5!? 16.b5 Qe6 17.de5 Ne5 18.Ne5 Qe5+/–) 16.b5+– c5 17.ba6 Bc6 18.Bb5 (18.Bb5 Bb5 19.ab5+– (19.Qb5?! Nc7 20.Qd3 ed4 21.ed4 Ra6=)) 1–0. Lenic,Luka (2595) – Jelen,Igor (2375), SLO Team Ch League, 2009. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 b6 5.Bb2 d5 6.e3 0-0)

7.Be2 Nc6 8.b5 Na5 9.cd5 Nd5 10.0-0=.

7.Be2 Qd6 8.a3 Bg4=.

7.Qb3 c5

8.b5 a6 (8...Bb7 9.dc5 bc5 10.Nbd2 a6 11.b6 Nbd7 12.Rb1 Rb8) 9.cd5 ab5 10.Bb5 Nd5 11.0-0 Nc7 12.dc5 Bb2.

8.Nc3 cd4 (8...dc4 9.Bc4 cb4 10.Qb4 Nc6 11.Qa3 Be6 12.Be6 fe6) 9.Nd5 Nd5 10.cd5 de3 11.Bg7 ef2 12.Kf2 Kg7.

8.bc5 bc5 (8...Nc6 9.cd5 Nd5 10.Nc3 Be6 11.Qa4 Nc3 12.Bc3 Qd5) 9.dc5 Na6 10.Qa3 Rb8 11.Be5 Nb4 12.Nd4 Ne4.

8.dc5 Nc6 9.Nc3 bc5 10.Nd5 cb4 11.Rd1 Bd7 12.c5 Qc8.

8.dc5 bc5

9.b5 a6 10.cd5 ab5 11.Bb5 Qd5 12.Nc3 Qb3.

9.b5 a6 10.cd5 Bb7 11.Nbd2 Bd5 12.Bc4 ab5 13.Qb5 Na6 14.Bd5 (14.Rb1 e6=) 14...Qd5=+ (14...Nd5?! 15.Bg7 Kg7 16.0-0=) 15.Be5 Nb4 16.0-0 Ra2 17.Ra2 Na2 18.Rb1 Rc8 (18...Rd8 19.Qa5 Nb4 20.Bc3-/+) 19.Nc4 (19.Qa5 e6-/+) 19...Nb4 20.Bc3?? (better is 20.Ra1 Rd8 21.h3-/+) 20...Qd3–+ 21.Rc1 Na2 22.Qa6 (22.Nfe5 Nc3 (22...Nc1 23.Nd3 Ne2 24.Kf1 Nc3 25.Qb7+/–) 23.Qa5 Ne2 24.Kf1 Qe4 25.Ke2 Qg2–+) 22...Nc1 23.Qc8 Bf8 24.g3 Qc4 25.Bf6 ef6 26.Kg2 (26.Qh3 Qd5 27.Qf1 Nd3–+) 26...Nd3 27.Qc6 (27.Ng1 Ne1 28.Kh1 Qe4 29.f3 Nf3 30.Nf3 Qf3 31.Kg1 Qe3 32.Kg2 Qe2 33.Kg1 c4–+) 27...Qc2 28.Kh3 (28.Ng1 Qf2 29.Kh1–+) 28...Qf2 29.Qf6 Qf1 30.Kg4 Ne1 31.Ne1 Qf6 32.Kh3 (32.e4 h5 33.Kh3 Qf1 34.Ng2 c4 35.Kh4 Qf6 36.Kh3 Qe6 37.Kh4 Be7#) 32...Qf1 33.Ng2 Qf5 34.g4 Qf3 35.Kh4 Be7 36.g5 Qg2 37.h3 (37.e4 Bg5#) 37...Bg5# (37...Qg5#) 0–1. Pierred,Fritz 8 (2085) – Tsteng,Deep Shredder 9 UCI (2385), Rated game, 1m + 0s, 2005.

9.b5 Bb7= 10.Nbd2 (10.cd5 Bd5 11.Bc4 Bf3 (11...Bc4 12.Qc4 a6) 12.gf3 Nbd7+= (12...a6=)) 10...a6 (10...Nbd7 11.cd5 Bd5 (11...Nd5 12.Bg7 Kg7) 12.Bc4= Nb6) 11.a4 (11.ba6 Ba6 (11...Ra6 12.cd5 Bd5) 12.Rc1 (12.cd5 Bf1) 12...Nbd7-/+ (12...dc4 13.Nc4 Nc6=)) 11...Nbd7 (11...ab5 12.ab5 Ra1) 12.cd5 (12.Bd3 ab5) 12...Bd5 (12...ab5+=) 13.Bc4 Nb6 (13...e6 14.Qc2=) 14.Bd5 Qd5 (14...Nbd5 15.0-0=) 15.ba6 (15.Qd5 Nfd5 16.Bg7 Kg7+=) 15...Ra6 16.a5 Qb3 ½–½. Psakhis,L – Mikhalchishin,A, 4, Riga URS ch, 1985. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6 6.d4 d5)

9.Nc3 Nc6 10.Nd5 Nb4 11.Nb4 cb4 12.Qb4 Be6.

9.bc5!? Qa5 (9...Na6 10.Qa3 Rb8 11.Be5 Ne4 12.Bg7 Kg7) 10.Nbd2+= Nc6 11.cd5 Rb8 12.dc6 Rb3.

7.b5 Bb7

8.Qc2 dc4 (8...a6 9.Nc3 dc4 10.Bc4 ab5 11.Nb5 Nc6 12.0-0 Nb4) 9.Bc4 a6 10.Nbd2 ab5 11.Bb5 Qd5 12.a4 Nbd7.

8.Nc3 a6 (8...Qd6 9.cd5 Nd5 10.Nd5 Bd5 11.Bd3 a6 12.e4 Bb7) 9.a4 Nbd7 10.ba6 Ra6 11.cd5 Ra5 12.e4 Re8.

8.Nbd2 a6 9.a4 Nbd7 10.Be2 dc4 11.Bc4 c5 12.bc6 Bc6 13.0-0 b5 14.ab5 ab5 15.Be2 Ra1 16.Ba1 Qa8 17.Qb3 Attacks the isolani on b5 17...Rb8 18.Bb2 Bd5 19.Qb4 Bf8 20.Ra1 (20.Bb5? Qb7–+) 20...Qb7 21.Qa5 e6 22.Qa7 Qc8 23.Rc1 Qd8 24.Qc7 Qc7 25.Rc7 Bb4 26.e4 Bc4 (better is 26...Bb7 27.e5 Ba5 28.Rb7 Rb7 29.ef6 Bd2 30.Nd2 Nf6=) 27.Bc4+/– Ba5 28.Ra7 bc4 29.Nc4 Bb6 30.Nb6 Rb6 31.e5 Rb2 32.h3 Rf2 ½–½. Arkell,Keith C (2430) – Cernousek,Lukas (2410), 4NCL, 2011. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4 b6)

8.cd5 Nd5 (8...a6 9.Nc3 Nd5 10.Qb3 ab5 11.Bb5 Nc3 12.Bc3 Bd5) 9.Nc3 a6 10.Qb3 ab5 11.Bb5 Nc3 12.Bc3 Bd5.

7.Nc3 dc4

8.Bc4 Bb7 9.0-0 Nbd7 (9...Qd6 10.a3+=) 10.b5 (10.Qe2 a6+=) 10...a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 c6 (13...c5 14.bc6 Bc6 15.d5+=) 14.bc6 (14.Qe2 Qc7+=) 14...Bc6 15.d5 ½–½. Antal – Gara, Budapest, 1998.

8.Bc4 c6 9.0-0+=.

8.Bc4 Nc6 9.a3 Bf5 10.0-0 Ne4 11.Rc1 Qd7 12.Ne4 Be4.

8.Bc4 Qd6 9.b5 Be6 10.Be6 Qe6 11.0-0 a6 12.a4 Nbd7.

7.Nc3 c5

8.a3 Bb7 9.Be2 (9.bc5 bc5 10.dc5 Qa5+=) 9...dc4 10.dc5 bc5 11.bc5 Ne4 12.Qd8 Rd8 13.Rc1 Nd7 (13...Nc5 14.Bc4 Bf3 15.gf3=+) 14.c6 (14.Ne4!? Bb2 15.Rc4=) 14...Bc6=+ 15.Bc4 Nc3 16.Bc3 Bf3 17.gf3 Bc3 18.Rc3 Rac8 19.Ke2 Ne5 20.Rhc1 Rc4 21.Rc4 Nc4 22.Rc4 Rd7 23.a4 e6 24.Rc8 Kg7 25.Ra8 (25.f4 Kf6=) 25...e5=+ 26.Rc8 Kf6 27.Rc5 Ke6 28.e4 f5 29.f4 Rd4 (29...ef4 30.ef5 gf5 31.Kf3=+) 30.Re5= Kf6 31.ef5 Rf4 (31...Ra4!? 32.fg6 hg6=) 32.Ra5+/– gf5 33.Ra7 Rh4 34.a5 Rh2 35.a6 Rh4 36.Kf3 h5 ½–½. Robak,Andrzej – Schon,Antoni, Warsaw ch corr Poland, 1994.

8.dc5+/– Ne4 A) 9.Qb3 Bc3 (9...bc5 10.cd5 Nc3 11.Bc3 Bc3 12.Qc3 cb4 13.Qb4 Qd5 14.Qe7 Qa5+=; 9...Bb7 10.Nd5 Bb2 11.Qb2 e6 12.Nf4 bc5 13.Bd3 cb4 14.Qb4 Qc7+/–) 10.Bc3 bc5 11.cd5 Nc3 12.Qc3 cb4 13.Qb4 Qd5 14.Qe7 Qa5+=; B) 9.Rc1 bc5 (9...a5 10.b5 Nc5 11.cd5 a4 12.Bc4 Nbd7 13.0-0 Nf6 14.a3 Qd6+/–) 10.bc5 Na6 11.cd5 Nec5 12.Nd4 Bb7 13.Bc4 Nb4 14.Ba3 Qa5+=; C) 9.Qc2 bc5 (9...Bf5 10.Nh4 Bc3 11.Bc3 Nc3 12.Qc3 Be4 13.cd5 Qd5 14.Bc4 Qg5+/–; 9...Bc3 10.Bc3 bc5 11.bc5 Bf5 12.Nd4 Be6 13.Be2 Qc7 14.Bf3 Nc3+/–; 9...Nc3 10.Bc3 Bf5 11.Qb2 Bc3 12.Qc3 Be4 13.Be2 bc5 14.bc5 Qc7+/–) 10.Nd5 Bb2 11.Qb2 e6 12.Nf4 cb4 13.Qb1 Qf6 14.Nd4 Bb7+/–.

8.dc5+/– e6 9.Na4 (9.Rc1) 9...Na6 (9...bc5 10.Nc5 Nbd7 11.Nd7 Bd7 12.cd5 ed5 13.Bd4 Re8 14.Bd3 Rb8+/– 1.16) 10.a3 bc5 11.cd5 cb4 12.de6 fe6 13.Qd8 Rd8 14.Ba6 Ba6 +/–.

8.dc5+/– bc5

9.bc5 Qa5 10.Qd2 dc4 11.Bc4 Qc5 12.Qe2 Bg4 13.Bb3 Nbd7 14.0-0 Ne5 15.Na4 Nf3 16.gf3 Qh5 17.fg4 Ng4 18.f4 Qh3 19.Rf3 Qh4 20.Bg7 Kg7 21.h3 Nf6 22.Qf2 Qh5 23.Rd1 Rfd8 24.Qe2 Rd1 25.Qd1 Rc8 26.Kg2 Qf5 27.Qd4 Rc1 28.e4 Qh5 29.e5 Ng4 30.e6 f6 31.Qd7 Qa5 32.Qe7 Kh6 33.Qf8 Kh5 34.hg4 Kg4 35.Rg3 Kf5 36.Rg5 1–0. konikh3 (2050) – dors (1830), kurnik, 2012.

9.Nd5 cb4 10.Nf6 Bf6 11.Bf6 ef6 12.Qd5 Qd5 13.cd5 Rd8 14.Rd1 Rd6 +/–.

9.Nd5 Nd5 10.Bg7 Ne3 11.Qe2 Kg7 12.Qe3 Na6 (12...cb4!? 13.Qe5 (13.Qe4 Qb6 14.Qe7 Nc6+=) 13...Kg8+= 14.Qe4 Qb6+=) 13.Qc3 (13.b5 Qa5 14.Nd2 Nb4+=) 13...Kg8 (13...f6 14.b5 Nb8+=) 14.b5 Nb8 15.h4 Nd7 16.Rd1 Qc7 17.h5 Nf6 18.hg6 hg6 19.Rh4 (19.Qe5 Qe5 20.Ne5 Kg7+/–) 19...Bg4+= 20.Qe3 Bf3 21.gf3 (21.Qf3 Rfd8 22.Bd3 a6+=) 21...Rad8 (21...Rfd8 22.Bd3=) 22.Bd3+= Nh5? (better is 22...Rfe8+=) 23.Rh5+– Rd3 24.Rd3 (24.Qd3?! gh5 25.Qd2 Qe5 26.Qe3 Qf5+=) 24...gh5 (24...Qa5 25.Kf1 Qa2 26.Rc5 Qa1 27.Kg2 e6+–) 25.Qg5 Kh7 26.f4 (26.Qh5 Kg7 27.Qg5 Kh8 28.f4 Qa5 29.Kf1 Qc3 30.Rc3 Rd8 31.Rh3) 26...Qc8 (26...Rg8 27.Qh5 Kg7 28.Rg3 Kf6 29.Qh4 Ke6 30.Rg8 Kd7+–) 27.Qh5 Kg7 28.Rg3 Kf6 (28...Qg4 29.Rg4 Kf6 30.Qe5) 29.Qe5 1–0. Siclet,M (1845) – Bry,S (2080), 25th Touraine Open, Avoine FRA, 2010. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.e3 b6 7.Nc3 c5)

9.Nd5 Nd5 10.Bg7 Ne3 11.fe3 Kg7 12.Qd8 Rd8 13.b5 Nd7 14.a4 a5 (14...Nf6 15.Be2+=) 15.Nd2 Nb6 16.Be2 Be6 17.Rf1 f5 (17...Rac8 18.Rf4=) 18.Rf2 (18.e4 fe4 19.Ne4 Rd4 20.Nc5 Bc4 21.Bc4 Rc4 22.Ne6 Kh6=) 18...Bg8 19.Bf1 e5 20.g3 e4 21.h3 Be6 22.Be2 h5 23.h4 (23.g4 hg4 24.hg4 Rh8=) 23...Kh6 24.Rh2 Rd6 25.Bf1 Nd7 (better is 25...Kg7!?=) 26.Nb3+/– Ne5 27.Rc2 Rad8 28.Na5 (28.Nc5? Nf3 29.Kf2 Rd2 30.Be2 Rc2 31.Ne6 Rdd2–+) 28...Ng4? (better is 28...g5+/–) 29.Nb7+– Ne3 30.Rcc1 Nf1 (30...g5 31.b6 gh4 32.gh4+–) 31.Kf1 f4 (31...e3 32.Nd8 Rd8 33.a5+–) 32.Nd6 (better is 32.gf4 Bg4+–) 32...Bh3 (32...Rd6 33.gf4 Bc8 34.a5+–) 33.Ke1 Rd6 34.gf4 e3 35.Ke2 1–0. Choma,Ernani Francisco (2380) – Santiago,Yago de Moura (2420), 82. ch–BRA, 2016. (=1.Nf3 g6 2.d4 Bg7 3.c4 Nf6 4.b4 0-0 5.Bb2 d5 6.e3 b6 7.Nc3 c5 8.dc5 bc5)

9.Nd5 Nd5 10.Bg7 Ne3 11.fe3 Kg7 12.Qd8 Rd8 13.bc5 Na6 14.c6 Nb4+=.

7.Nbd2 Bb7

8.Qb3 a5 9.b5 a4 10.Qa3 Ne4 11.Be2 Nd7 12.0-0 Ndf6.

8.Qb3 Nc6 9.Be2 Qd6 10.c5 Qe6 11.0-0 bc5 12.dc5 a6.

8.Qb3 Nbd7 9.Be2 e6 10.0-0 Ne4 11.Rfd1 a5 12.b5 a4 13.Qd3 Qf6 14.cd5 ed5 15.Rac1 Rfc8 16.Rf1 Qe6 17.Bc3 (17.Ba3 Nb8+=) 17...Ndf6 (17...c5 18.Nb1=) 18.Nb1 Ne8 19.Bb4 c5 ½–½. Cording,Harm Wilhelm – Khasin,Abram Yosifovich, Heitmann Memorial, 1990. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 b6 7.Nbd2 Bb7)

8.Rc1 c6 9.Bd3 (9.Be2 a5 10.b5 dc4 11.bc6 Nc6 12.Bc4 Rc8+=; 9.a3 Nbd7 10.Bd3 a5 11.ba5 Ra5 12.0-0 c5+=) 9...a5 10.b5 dc4 11.Bc4 cb5 12.Bb5 Na6+=.

8.Rc1 Ne4 9.cd5 Bd5 10.Ne4 Be4 11.Bd3 Bb7 12.0-0 Nd7 13.Rc2 Rc8 14.Bb5 c6 15.Ba4 Rc7 16.Qe2 e6 17.Rfc1 Qa8 18.h3 Rfc8 19.a3 a5 20.Bb5 Nf6 21.Bd3 ab4 22.ab4 Nd5 23.Ra1 Qb8 24.Qd2 Rd7 25.Bf1 Rdd8 26.Qe1 Qd6 Exerts pressure on the isolated pawn 27.Ba3 Ra8 28.Rca2 Nc7 29.b5 (29.Ne5!? Be5 30.de5+=) 29...c5+= 30.Ne5 Be5 31.de5 Qd5 (worse is 31...Qe5 32.Bb2 Qe4 33.Qc3+/–) 32.Qc3 (32.f3 Ra5+= (worse is 32...Qe5 33.Bb2 Qd5 34.Ra8 Ra8 35.Ra8 Ba8 36.Qc3+/–)) 32...Nb5-/+ 33.Qb2 Na3 34.Ra3 Ra3 35.Ra3 Qc6 36.Rb3? (better is 36.Qe2-/+) 36...Rd1–+ 37.f3 b5 (37...Ba6! 38.Rb6 Qa4 39.Ra6 Qa6 40.Qf2–+) 38.Qe2 Ra1 39.Qb2 Qa6 40.Rb5? (better is 40.Qc2–+) 40...Rf1! 41.Kh2 (41.Kf1 Bc6 Combination) 41...Rf2! 42.Qb1 (42.Qf2 Qb5 Deflection) 42...Bf3 (42...Bc6!? 43.Rb2 Rb2 44.Qb2–+) 43.Kg3 Rg2 44.Kf3 Rd2 45.Rb8 (45.Kg3 Rd5–+) 45...Kg7 46.Qe1 (46.Rb5–+) 46...Qd3 47.Kg3 Re2 (47...Re2 48.Rb3 Qb3 49.Qe2 Qb8–+) 0–1. Schumilov,Illya – Leniart,Arkadiusz, Mistrzostwa Uniwersyteckie, 2012. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.c4 0-0 6.Bb2 b6 7.Nbd2 Bb7)

8.Qc2 a5 9.b5 c6 10.Rc1 dc4 11.Bc4 cb5 12.Bb5 Na6+=.

8.Qc2 dc4 9.Bc4 a5 10.b5 c6 11.0-0 Nd5. Doncea,Vladimir (2105) – Vajda,Levente (2510), ROM–chT, 2002. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.e3 b6 6.Bb2 d5)

8.Qc2 Nbd7 9.cd5 (9.a3 c5 10.bc5 bc5 11.cd5 Nd5 12.e4 Nf4=) 9...Nd5 10.a3 c5 11.e4 Nf4 12.g3 Ne6+=.

8.c5 a5 (8...Ne4 9.Be2 (9.Ne4 de4 10.Nd2 e5 11.de5 Nd7 12.Nc4 Qe7=; 9.Bd3 a5 10.a3 Na6 11.cb6 ab4 12.bc7 Qc7=; 9.Ne5 Nd2 10.Qd2 a5 11.ba5 Ra5 12.Be2 Nc6=) 9...a5 10.a3 Nd7 11.Qc2 Nd2 12.Nd2 c6=) 9.a3 (9.b5 a4 10.Be2 c6 11.cb6 cb5 12.Ba3 Ne4=) 9...Ne4 (9...ab4 10.ab4 Ra1 11.Qa1 bc5 12.Qa7 Bc6=) 10.Be2 ab4 (10...Nd2 11.Qd2 ab4 12.ab4 Ra1+=) 11.ab4 Nd7 12.cb6 (12.Ra8 Qa8 13.Qc2 bc5 14.bc5 Ba6 15.Ba6 Qa6 16.Ne4 de4=) 12...cb6 (12...Ra1 13.Ba1 cb6 14.0-0=) 13.0-0 Qc7 14.Qb3 Ndf6 15.Rac1 Qd7 16.b5 Nd2 17.Nd2 Ne4 18.Ne4 de4 19.h3 (19.f3 Bd5 20.Qb4 Qd6=) 19...e6 20.Ra1 Rfc8 21.Ra8 Ra8 22.Ra1 Ra1 23.Ba1 Qc8 24.Bc4 (24.Qc3 Qc3 25.Bc3 Bd5=) 24...Bd5 25.Bd5 Qc1 26.Kh2 ed5 27.Bc3 Bf8 28.Bb4 Qc7 29.Kg1 Qc1 30.Kh2 Qc7 ½–½. Dizdarevic,E – Mikhalchishin,A, Ljubljana SLO–chT, 1997. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 0-0 6.d4 b6 7.Nbd2 Bb7)

8.Bd3 dc4 9.Bc4 Qd6 10.a3 a5 11.b5 Rc8 12.e4 Ne4=.

8.Bd3 dc4 9.Nc4 Nc6 10.Qb3 a5 11.b5 Nb4 12.Be2 Be4.

8.Bd3 Nc6 9.a3 dc4 10.Bc4 Ne8 11.0-0 Nd6 12.Bd3 Qd7.

8.Bd3 Nbd7 9.0-0 c5 10.a3 Rc8 11.dc5 bc5 12.Qe2 dc4+=.

8.Bd3 Nbd7 9.0-0 c5 10.bc5 bc5 11.Rc1 dc4 12.Bc4 cd4 13.Bd4 Nb6 14.Bd3 Rc8 15.Qb3 Nfd5 16.Bg7 Kg7 17.a4 a5 18.Rc8 Bc8 19.Bb5 Be6 20.Qa3 Bd7 21.Rc1 e6 22.h3 Qb8 23.Qa1 f6 (23...Kg8 24.Ne5 Bb5 25.ab5+=) 24.Nd4 Kf7 25.Ne4 Rc8 26.Nc5 Bb5 27.ab5 (27.Nb5?! e5+=) 27...e5 28.Nc6 Qa8 29.Qa2 Kg7 30.Ne6 Kh8 31.Rc5 a4?? (better 31...Nb4 32.Qa5 Qa5 33.Na5 Re8+-) 32.Rd5 Nd5 33.Qd5 a3 (33...Qb7 34.Ned8 Rd8 35.Qd8 Kg7+-) 34.Qd7 Rg8 35.Qe7 h6 36.Qf6 Kh7 37.Qe7 Kh8 38.Ne5 a2 39.Nf7 (39.Nf7 Kh7 40.Nfg5 Kh8 41.Qh7) 1-0. marekt – mizuzul, ChessWorld.net, 2021.

8.Bd3 Nbd7 9.a3 c5 10.0-0 a5 11.bc5 bc5 12.Rb1 Rc8 +=.

8.Bd3 Nbd7 9.Rb1 c5 10.bc5 bc5 11.0-0 Rb8 12.Qc2 Qc7+=.

8.Bd3 Nbd7 9.Qb3 a5 10.ba5 Ra5 11.0-0 c5 12.Bc3 Ra7=.

8.Bd3 Nbd7 9.cd5 Nd5 10.Qb3 a5 11.ba5 Ra5 12.0-0 c5=.

8.Be2 a5 9.b5 c5 10.dc5 bc5 11.0-0 Qb6 12.cd5 Bd5+=.

8.Be2 dc4 9.Bc4 a6 10.0-0 e6 11.Qc2 Qe7 12.a3 c5+=.

8.Be2 dc4 9.Nc4 Qd5 10.Qb3 Nbd7 11.0-0 Ne4 12.Bd3 Qe6.

8.Be2 dc4 9.Nc4 Nd5 10.a3 Nd7 11.0-0 c5 12.dc5 Bb2+=.

8.Be2 Nc6 9.b5 Na5 10.0-0 a6 11.a4 dc4 12.Nc4 Nc4.

8.Be2 Nbd7

9.0-0 c5 10.Qb3 Rb8=.

9.0-0 c5 10.b5 e6 11.a4 a5 12.Rc1 Rc8 13.Rc2 cd4 14.Bd4 Ne4 (14...Qe7 15.Qa1=) 15.cd5= ed5 (worse is 15...Bd5 16.Ne4 Be4 17.Rc8 Qc8 18.Bg7 Kg7 19.Qd4 Nf6 20.Qb6+/–) 16.Rc8 Qc8 17.Nb1 (17.Bg7 Kg7 18.Ne4 de4=) 17...Ndc5 18.Bg7 Kg7 19.Qc2 f6 20.Nd4 Rf7 (20...Qd7 21.Rc1=) 21.Rc1= Rc7 22.Qd1? (22.Nd2 Nd2 23.Qd2 Ne4 (23...Na4?? 24.Rc7 Qc7 25.Ne6 Kf7 26.Nc7+–) 24.Rc7 Qc7=) 22...Kf7 (better is 22...Nf2!? 23.Qe1 Nfe4-/+) 23.Rc2 Ne6 24.Bg4 f5 25.Bf5 (25.Rc7 Qc7 26.Ne6 Ke6=) 25...gf5+= 26.Qh5 Kg8 27.Rc7 Qc7 (27...Nc7!? 28.Nf5 Qf8+=) 28.Qe8= Nf8 29.Qf8 Kf8 30.Ne6 Ke7 31.Nc7 Kd7 32.Na6 Kd6 33.f3 (33.Nb8 Kc7 34.Na6 Kd6=) 33...Nc5+= 34.Nc5 (34.Nc3!?+=) 34...Kc5-/+ 35.g4 (35.h4!?-/+) 35...fg4–+ 36.fg4 Kb4 37.h4 (better is 37.g5–+) 37...Bc8 38.g5 Bf5 39.Nd2 Ka4 40.h5 Kb5 (better is 40...Kb4 41.g6 hg6 42.h6–+) 41.Nf3 Be4 (better is 41...Kb4 42.Nh4 Be6–+) 42.g6?? (better is 42.Nd2 Bd3 43.Kf2–+) 42...Bg6! (42...Bf3?? 43.gh7 Bh5 44.h8Q+–) 43.hg6 (43.Nd4 Kc4 44.hg6 hg6–+) 43...hg6 44.Kf2 a4 45.Ke2 (45.Nd4 Kc4 46.Nc2 Kb3 47.Nd4 Kb2–+) 45...a3 46.Kd3 (46.Nd4 Kc4 47.Kd2 a2–+) 46...a2 47.Nd4 Ka4 48.Nc2 Kb3 0–1. Kaenel,Hansjuerg – Tukmakov,V, 07, Bern op, 1991. (=1.Nf3 g6 2.d4 Nf6 3.e3 Bg7 4.b4 0-0 5.c4 d5 6.Bb2 b6 7.Nbd2 Bb7)

9.0-0 c5 10.bc5 bc5 11.dc5 dc4 12.Bc4 Nc5+=.

9.0-0 c5 10.dc5 bc5 11.b5 dc4 12.Nc4 a6 13.a4 Qc7 14.b6 Qb8 (14...Nb6!? 15.Be5 Qc6=) 15.Nfe5 Rd8 16.Qb3 (better 16.Qc1+=) 16...a5? (better 16...Bd5 17.Nd7 Rd7+=) 17.Nf7+- Rf8 18.Ng5 Bd5 19.Rfd1 h6 (19...Qb7 20.Bf3 Bf3 21.Nf3+-) 20.Rd5! hg5?? (20...Nd5 21.Qd3 Double attack (21.Qd3 Decoy)) 21.Rd7! (21.Rd7 Nd7 22.Ne5 Kh7 23.Nd7+-) 1-0. marekt – mizuzul, ChessWorld.net, 2021.

9.a3 c5 10.0-0 Rc8 11.Rc1 dc4 12.Bc4 a6+=.

9.Rb1 c6 10.0-0 a5 11.ba5 Ra5 12.cd5 Nd5+=.

9.Qb3 a5 10.b5 a4 11.Qa3 c5 12.bc6 Bc6=.

9.Rc1 c5 10.dc5 bc5 11.cd5 cb4 12.e4 Qa5+=.

7.Nbd2 c5

8.b5 Bb7 9.Be2 Nbd7 10.0-0 e6 11.a4 Rc8 12.Rc1 Rc7 13.Ne5 Ne5 14.de5 Nd7 15.f4 Qa8 16.Bf3 Rd8 17.Qc2 dc4 (17...Rcc8 18.Rfd1+=) 18.Nc4 (worse 18.Qc4 Ne5 19.Be5 Be5 20.Bb7 Qb7-/+) 18...Bf3 19.Rf3 Nf8 20.Nd6 Rcd7 21.Rff1 (21.a5 Qb8+/-) 21...h6 22.Rfd1 Nh7 23.h3 (23.Rd2 Qb8+=) 23...Bf8 24.Nc4 Be7 (24...Rd1 25.Rd1 Rd1 26.Qd1=) 25.Rd7+= Rd7 26.Rd1 Rd5 (26...Rd1 27.Qd1 Qe4 28.Qe2=) 27.Nd6 Nf8 28.e4 (better 28.Rd3!?+=) 28...Rd1=+ 29.Qd1 Bd6 30.ed6 (30.Qd6? Qe4 31.Qd1 Qf4-+) 30...Qe4 31.d7 Qe3?? (better 31...Nd7 32.Qd7 Qb1 33.Kh2 Qb2 34.Qa7 Qd4 35.Qb8 Kg7=+) 32.Kh1+- Nd7 (32...Qf2 33.d8Q Qb2+-) 33.Qd7 Qe2 34.Qd8 (34.Qd8 Kh7 35.Qh8) 1-0. Ligonazo (2400) - ZibbitVideos (2555), Rated bullet game, lichess.org, 2023.

8.b5 Ne4 9.Be2 Bb7 10.0-0 a6 11.a4 Nd6 12.cd5 Bd5 13.Qc2 cd4 14.Bd4 Bd4 15.Nd4 Qd7 16.h3 Qb7 17.Bf3 Rc8 18.Qb2 ab5 19.ab5 Ra1 20.Ra1 Bf3 21.N2f3 (worse is 21.gf3 Qd7-/+; worse is 21.N4f3 Rc5+=) 21...Rc5 22.Ra4 (22.Qb4 Qc7=) 22...Qc7 23.Ra1 h6 24.Rd1 Nd7 25.Nc6 Nf6 26.Nfd4 Kg7 27.Qa2 (27.Nb4 A) 27...Nb5? 28.Na6 Qd6 29.Nc5 Nd4 30.Rd4 (worse is 30.ed4 bc5 31.Qc3 cd4 32.Rd4 Qe5+/–) 30...Qc5 31.Rb4+–; B) 27...Qd7=) 27...Nb5 (better is 27...e5!? 28.Nb3 Rb5-/+) 28.Nd8= Nd4 29.Qf7 Kh8 30.Qf8 Kh7 31.Qf7 Kh8 32.Qf8 Kh7 33.ed4 Rc1 34.Qf7 Kh8 35.Qf8 Kh7 36.Qf7 Kh8 37.Qf8 Kh7 ½–½. Rogers,Ian (2565) – Luecke,Norbert (2390), Biel MTO op, 1991. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 b6 7.Nbd2 c5)

8.b5 Be6 9.dc5 bc5 10.cd5 Bd5 11.Bc4 a6 12.a4 Bc4 13.Nc4 Qd1 14.Rd1 ab5 15.ab5 Ra4 16.Ncd2 Rb4 17.Bf6 Bf6 18.0-0 Rb5 19.Ne4 Bg7 20.Rd5 Rc8 21.Rfd1 f5 22.Rd8 Rd8 23.Rd8 Bf8 24.Ned2 Na6 25.Rc8 Rb2 26.g3 e5! 27.e4 (27.Ne5 Rd2 Deflection) 27...Kg7 28.ef5 gf5 29.Nc4 Rb8 30.Rc6 e4 31.Nh4 Nb4 32.Nf5 Kf7 33.Nh6 Ke8 34.Re6 Kd7 35.Rf6 Nd5 36.Rf5 Bh6 37.Rd5 Kc6 38.Rh5 Bc1 39.Na5 Kb5 40.Nb3 Ba3 41.Nd4 Ka4 42.Ne2 Rb1 43.Kg2 Re1 44.Nc3 Kb3 45.Nb5 c4 46.Rh7 Rd1 47.g4 (47.Rh4 Re1 48.f3 ef3 49.Kf3 Bc5+=) 47...Rd5 (47...c3!? 48.Na3 Ka3+=) 48.Rh3 Rd3 49.g5 Bb2 ½–½. Kocandrle,Jaroslav (2085) – Wlasow,Andrey (2220), IECG, 2006.

8.bc5 bc5 9.Qb3 dc4 10.Bc4 Ba6 (10...cd4 11.Ne5 de3 12.Bf7 Kh8 13.Qe3= (worse is 13.fe3 Nbd7 14.Nc6 Qb6 15.Qb6 Nb6=)) 11.0-0 (11.dc5!? Bc4 12.Qc4+/–) 11...Bc4+= 12.Nc4 cd4 13.Bd4 Nc6 14.Bb2 Na5 ½–½. tightfist (2515) – wvmaniac (2600), net–chess.com, 2014.

8.bc5 bc5 9.dc5 Na6 10.cd5 (10.c6 Qb6 11.Qb3 Qc6 12.cd5 Nd5+=) 10...Nc5= (worse is 10...Nd5 11.Bg7 Kg7 12.Qa4+/–) 11.Bc4 Bb7 12.0-0 Bd5 13.Qe2 Bc4 14.Nc4 Qd3 15.Qd3 Nd3 16.Bd4 Rfc8 17.Nce5 Ne5 18.Ne5 Rc2 19.a4 Ne4 20.Rac1 Rac8 21.Rc2 Rc2 22.Rb1 Bf6 23.f3 Nd6 24.f4 Ra2 25.Ra1 Ra1 26.Ba1 a6 27.Kf1 Nb7 28.Bd4 Be5 29.Be5 ½–½. Priyadharshan,K (2420) – Friedel,Joshua E (2505), Saint Louis USA, CCSCSL GM, 2014. (=1.d4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 b6 7.Nbd2 c5)

8.bc5 bc5 9.dc5 Be6+/–.

8.dc5 bc5 9.b5 Nbd7 (9...Be6 10.cd5 Bd5 11.Qc2=) 10.Be2 (10.cd5 Nd5 11.Bg7 Kg7+=) 10...a6 11.a4 dc4 12.Bc4 Nb6 13.Be2 ab5 14.ab5 Be6 15.0-0 Qd7 16.Qc2 c4 (16...Qb7 17.Qc5 Na4 18.Qa3+=) 17.Nd4 Bd5 18.Bf3 (better is 18.Nc4 Nc4 19.Bc4+=) 18...Nc8?? (better is 18...Bf3 19.N2f3 Nfd5=) 19.Bd5 (better is 19.Ra8 Ba8 20.Ba8 Ng4+–) 19...Nd5?? (better is 19...Qd5 20.Ra8 Qa8 21.Nc4 Qd5+–) 20.Nc6 (better is 20.Ra8 Nc7 21.Ra5 Bd4 22.Bd4 Nb5 23.Qa4+–) 20...c3? (better is 20...Ra1 21.Ba1 c3+=) 21.e4?? (better is 21.Ra8 cb2 22.Nc4+–) 21...Nf4 (21...Nf4 22.Ra8 Qg4+–). Skopetz,Friedrich – Duesterwald,M (2185), Open, Vienna AUT, 2003.

8.dc5 bc5 9.bc5 Qa5 10.cd5 Qc5 11.Bc4 Bb7 (11...Nd5 12.Bg7 Kg7 13.Rc1+/–) 12.Bd4 Qa5 13.0-0 Nbd7 (13...Bd5? 14.Bf6 Bf6 15.Nb3 Bf3 16.Qf3+– (16.Na5?! Bd1 17.Rad1 a6+=)) 14.e4 Rac8 15.Qe2 Nb6 16.Nb3 Qb4 17.Bd3 Nfd7 18.Bg7 Kg7 19.Nbd4 Ne5 20.Rab1 Qc3 21.Ne5 Qd4 22.Nf3 Qc5 23.Qd2 Rfd8 24.a4! Ba8 (24...Na4 25.Rb4 Double attack (25.Rb7 Pinning; 25.Rb7 Deflection; 25.Rb4 Decoy)) 25.a5 Nc4? (better is 25...Na4 26.Rb4 Nc3+–) 26.Qc3 f6 27.Rbc1 Ne5 (27...Qa5 28.Bc4 Qc3 29.Rc3+–) 28.Qc5 Rc5 29.Rc5 Nd3 30.Rc7 Kf7 31.Ra7 Nc5 32.Re1 Bb7 (32...Nd3 33.Re3 Nc5 34.a6+–) 33.Rc1 Nb3 (33...Bd5 34.ed5 Rd5 35.a6+–) 34.Rc3 (better is 34.Rc7 Bd5 35.ed5 Rd5 36.Re7 Kf8+–) 34...Bd5 35.ed5 Rd5 36.h4 Na5 37.Rcc7 (37.Rcc7 Ke6 38.g4+–) 1–0. Doncea,Vladimir (2210) – Remetean,Vasile (2115), ROM–chT Tusnad, 2004. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 b6 7.Nbd2 c5)

8.dc5 bc5 9.bc5 Qc7+=.

7.Nbd2 c6

8.a4 a5 9.cd5 (9.b5 Bf5 10.Qb3 cb5 11.Qb5 Nc6 12.Ne5 Nb4 13.Rc1 Rc8 14.Ba3 Nc2=; 9.ba5 Ra5 10.Bd3 Nbd7 11.0-0 Ra7 12.Qc2 Ba6 13.Bc3 c5 14.Rfb1 Qc7=) 9...cd5 (9...Nd5 10.b5 Ra7 11.Bc4 Rc7 12.0-0 Bb7 13.Qb3 e6 14.bc6 Nc6+=) 10.ba5 ba5 11.Bb5 Ba6 12.0-0 h6 13.Ba3 Bb5 14.ab5 Nbd7+=.

8.a4 Na6 A) 9.b5 Nb8 (9...Nb4 10.Ba3 c5 11.Bb4 cb4 12.Qb3 Qd6 13.Rc1 a5 14.ba6 Ba6+=; 9...cb5 10.ab5 Nc7 11.Ne5 a6 12.Qf3 Qd6 13.cd5 Nfd5 14.e4 Nf6+=) 10.Ne5 Bb7 11.Be2 a6 12.0-0 dc4 13.ba6 Ba6 14.Ndc4 Nd5+=; B) 9.Ba3 c5 10.bc5 bc5 11.dc5 Ne4 12.Ne4 Ba1 13.cd5 Qa5 14.Nfd2 Be5+=.

8.a4 Qd6 A) 9.c5 Qe6 (9...Qc7 10.Be2 a5 11.Bc3 bc5 12.bc5 Ba6 13.0-0 Be2 14.Qe2 Nbd7+=; 9...bc5 10.bc5 Qe6 11.Rb1 Ba6 12.Ba6 Na6 13.Ne5 Rfb8 14.0-0 Rb7=; 9...Qd8 10.Be2 Bg4 11.0-0 Nbd7 12.cb6 ab6 13.Nb3 Ne4 14.Qc2 Ndf6+=; 9...Qd7 10.Be2 Ba6 11.b5 cb5 12.Ne5 Qe8 13.ab5 Bb5 14.cb6 a5=) 10.cb6 ab6 11.a5 ba5 12.ba5 Ba6 13.Ba6 Na6 14.Qc2 Rfc8=; B) 9.Be2 Qb4 10.Ba3 Qa5 11.0-0 c5 12.dc5 bc5 13.Nb3 Qa4 14.cd5 Qd7=; C) 9.Bc3 dc4 (9...Na6 10.Rb1 h6 11.Be2 Nc7 12.Bd3 Rd8 13.0-0 dc4 14.Nc4 Qe6+=; 9...Bg4 10.a5 Nbd7 11.Be2 c5 12.b5 cd4 13.Bd4 e5 14.Bb2 Rac8=; 9...Rd8 10.c5 Qc7 11.Be2 Nbd7 12.0-0 Nf8 13.cb6 ab6 14.a5 Ba6+=; 9...Nbd7 10.a5 Rb8 11.ab6 ab6 12.Bd3 c5 13.cd5 Nd5 14.dc5 bc5+=; 9...Bf5 10.Be2 Nbd7 11.Nh4 Be6 12.c5 Qc7 13.0-0 bc5 14.bc5 Ne4=) 10.Nc4 Qe6 11.Bd3 Nd5 12.Rc1 Na6 13.Qb3 c5 14.bc5 bc5=; D) 9.a5 b5 (9...ba5 10.c5 Qc7 11.Ra5 Bf5 12.Be2 Nbd7 13.Qa4 Bg4 14.0-0 Ne4+=; 9...Na6 10.b5 cb5 11.cb5 Nc7 12.Ba3 Qd8 13.Qa4 Bd7 14.Bd3 Ne6+=) 10.cb5 cb5 11.Bb5 Qb4 12.Qb3 Qb3 13.Nb3 Na6 14.Ba3 Rb8=; E) 9.Qb3 Bf5 (9...Na6 10.b5 Nb8 11.Bd3 Rd8 12.0-0 Bg4 13.Ne5 Be6 14.a5 cb5+/–; 9...Nbd7 10.Bd3 Rd8 11.a5 Rb8 12.ab6 ab6 13.0-0 c5 14.cd5 Nd5+=; 9...Rd8 10.a5 Na6 11.b5 cb5 12.cb5 Nb8 13.Ba3 Qe6 14.Qa4 Nfd7=) 10.Be2 Nbd7 11.0-0 c5 12.cd5 cb4 13.Nc4 Qd5 14.Qb4 Rfc8=.

8.Bd3 A) 8...a5 A1) 9.b5 dc4 (9...Bd7 10.a4 dc4 11.Bc4 Ne8 12.bc6 Nc6 13.0-0 Nd6 14.Qb3 Rb8+=; 9...a4 10.bc6 Nc6 11.a3 dc4 12.Bc4 Nd5 13.Rc1 Ra5 14.Qc2 Na7+=; 9...cb5 10.cb5 Bg4 11.h3 Bf5 12.Bf5 gf5 13.Rc1 Nbd7 14.Ba3 Re8+=; 9...Bg4 10.0-0 cb5 11.cb5 Nbd7 12.Rc1 a4 13.h3 Bf3 14.Qf3 Re8+/–; 9...Qd6 10.Rc1 cb5 11.cb5 Bg4 12.h3 Bf3 13.Qf3 Nbd7 14.0-0 Rac8+=) 10.Bc4 cb5 11.Bb5 Ba6 12.Qb3 Bb5 13.Qb5 a4 14.Nc4 Qd7=; A2) 9.cd5 Nd5 10.ba5 Ra5 11.Nc4 Ra7 12.0-0 b5 13.Ncd2 Na6 14.Qb3 Ndb4=; A3) 9.ba5 Ra5 10.0-0 Bg4 11.h3 Bc8 12.Qb3 Be6 13.Qc2 Ra8 14.c5 Na6+=; B) 8...dc4 B1) 9.Bc4 b5 (9...Qd6 10.a3 Bf5 11.Rc1 b5 12.Ba2 a5 13.ba5 Ra5 14.Ne5 Ra6=; 9...Bf5 10.0-0 b5 11.Be2 a5 12.ba5 Qa5 13.Nb3 Qb4 14.a3 Qd6=) 10.Be2 Nd5 11.a4 Ba6 12.e4 Nf4 13.0-0 Ne2 14.Qe2 ba4=; B2) 9.Nc4 Nd5 (9...b5 10.Na5 Nd5 11.a3 c5 12.Bb5 cb4 13.ab4 Nb4 14.Qd2 N8a6+=; 9...Be6 10.0-0 b5 11.Na5 Bd5 12.Ne5 Nfd7 13.e4 Ne5 14.de5 Be6+=; 9...Na6 10.a3 c5 11.bc5 bc5 12.Qe2 Qc7 13.0-0 cd4 14.Bd4 Nc5+=) 10.a3 a5 11.ba5 b5 12.Nb6 Ra5 13.Nc8 Qc8 14.a4 ba4+=.

8.Be2 a5 A) 9.ba5 Ra5 10.0-0 Bf5 11.c5 Nbd7 12.Bc3 Ra7 13.cb6 Qb6 14.Nh4 Be6=; B) 9.cd5 Nd5 (9...cd5 10.b5 Nbd7 11.Rc1 Ra7 12.Qc2 Nb8 13.Bd3 Qd6 14.0-0 Bg4+=) 10.b5 cb5 11.Bb5 Ba6 12.Qb3 Bb5 13.Qb5 Na6 14.0-0 Nac7=; C) 9.b5 dc4 (9...Bf5 10.cd5 cb5 11.Bb5 Qd5 12.Bc4 Qd6 13.Qb3 a4 14.Qa3 Nc6+=; 9...a4 10.0-0 cb5 11.cb5 Qd6 12.a3 Bf5 13.Rc1 Rc8 14.Rc8 Bc8+=; 9...Bg4 10.bc6 Nc6 11.Rc1 Rc8 12.Qb3 Nb4 13.a3 dc4 14.Bc4 Nbd5+=; 9...cb5 10.cb5 Nbd7 11.Rc1 Ra7 12.Qc2 Nb8 13.Bd3 Qd6 14.Qa4 Bd7+=; 9...Qd6 10.bc6 Nc6 11.Rc1 Bg4 12.h3 Bf5 13.a3 Rfc8 14.cd5 Qd5+=) 10.Bc4 cb5 11.Bb5 Ba6 12.Qb3 Bb5 13.Qb5 a4 14.Nc4 Qd7=.

8.Be2 dc4 A) 9.Bc4 b5 (9...Qd6 10.a3 Bf5 11.Qe2 b5 12.Bb3 Be6 13.e4 Bb3 14.Nb3 Nh5+=) 10.Be2 Nd5 11.a4 Ba6 12.e4 Nf4 13.0-0 Ne2 14.Qe2 ba4=; B) 9.Nc4 b5 (9...Nd5 10.a3 Bf5 11.Ncd2 Bg4 12.0-0 a5 13.b5 Ra7 14.h3 Bd7+=; 9...Bf5 10.0-0 Nd5 11.Qb3 b5 12.Nce5 Qd6 13.a4 f6 14.Nd3 Bd3+=; 9...a6 10.0-0 Bf5 11.a4 Nbd7 12.a5 c5 13.bc5 bc5 14.dc5 Nc5+=; 9...Be6 10.0-0 Bd5 11.Qc2 Be4 12.Qd2 Qd5 13.Nce5 Nbd7 14.Rac1 Rac8+=) 10.Nce5 Nd5 11.Qd2 a5 12.ba5 Qa5 13.Qa5 Ra5 14.0-0 Nb4=.

8.Be2 Qd6 A) 9.a3 Bf5 (9...Bg4 10.0-0 Qe6 11.Rc1 Nbd7 12.cd5 cd5 13.b5 Rfc8 14.Qa4 Nf8+=; 9...Rd8 10.0-0 Bg4 11.Rc1 h6 12.cd5 cd5 13.b5 a6 14.Qa4 Ne8+=; 9...Nbd7 10.Rc1 a5 11.cd5 cd5 12.b5 Bb7 13.0-0 Rac8 14.Qb3 Qe6=; 9...h6 10.Qa4 Bf5 11.c5 Qc7 12.cb6 Qb6 13.Rc1 Rc8 14.0-0 Nbd7+=; 9...Re8 10.Qa4 Bf5 11.c5 bc5 12.dc5 Qd7 13.0-0 Qb7 14.Rfd1 a5+=) 10.0-0 Nbd7 11.c5 Qc7 12.Nh4 Be6 13.f4 Rfb8 14.Bc3 Bh6=; B) 9.Bc3 h6 (9...Rd8 10.Qa4 Bf5 11.c5 bc5 12.dc5 Qd7 13.0-0 Qb7 14.Nd4 Bg4+=; 9...Bg4 10.0-0 Nbd7 11.Rc1 Rfd8 12.h3 Bf3 13.Nf3 Ne4 14.Qd3 Nc3=; 9...Bf5 10.0-0 Rd8 11.c5 Qd7 12.a4 bc5 13.bc5 Qe6 14.Ra3 h6+=; 9...Na6 10.Qa4 Nc7 11.Ne5 Bd7 12.0-0 Rfd8 13.Rac1 h6 14.Bb2 Rdc8+=; 9...Re8 10.0-0 Bg4 11.a4 Nbd7 12.a5 c5 13.b5 Rac8 14.dc5 bc5+=) 10.0-0 Bg4 11.a4 Nbd7 12.a5 dc4 13.Nc4 Qe6 14.Qd3 Bf5=; C) 9.Qa4 Qd8 (9...Nbd7 10.0-0 a5 11.Rfc1 Bb7 12.c5 Qc7 13.cb6 Nb6 14.Qa3 ab4+=; 9...Bg4 10.c5 bc5 11.dc5 Qc7 12.Be5 Qc8 13.h3 Bf3 14.Nf3 a5=; 9...Bf5 10.c5 Qc7 11.cb6 Qb6 12.Rc1 a5 13.Bc3 Qc7 14.0-0 Bc8+=; 9...Bd7 10.c5 Qc7 11.cb6 Qb6 12.Ba3 Bg4 13.0-0 Ne4 14.Qc2 Bf5+=; 9...Qe6 10.0-0 dc4 11.Bc4 Qd6 12.Qa3 b5 13.Bd3 Nd5 14.Bc3 Bf5=) 10.cd5 Nd5 11.0-0 b5 12.Qb3 Be6 13.Rfe1 a5 14.ba5 Nf4=; D) 9.c5 Qd8 (9...Qc7 10.0-0 bc5 11.bc5 Ba6 12.Ba6 Na6 13.Qa4 Rfb8 14.Rfb1 Qc8+=; 9...Qd7 10.0-0 Ba6 11.a4 Be2 12.Qe2 bc5 13.bc5 Qe6 14.Rab1 Nbd7=; 9...Qe6 10.Qa4 Nbd7 11.cb6 Nb6 12.Qa5 Ne4 13.Rc1 Nd2 14.Nd2 Qf6+=) 10.0-0 a5 11.ba5 bc5 12.dc5 Qa5 13.Nb3 Qa4 14.Qd4 Qa7=; E) 9.Qb3 Bf5 10.0-0 Rd8 11.Rfc1 Nbd7 12.b5 c5 13.cd5 Nd5 14.e4 Nf4+=.

8.Be2 Bf5 A) 9.0-0 a5 (9...Nbd7 10.Rc1 a6 11.cd5 cd5 12.Nh4 Be6 13.f4 Nb8 14.f5 Bd7+=; 9...h6 10.Ne5 Qd6 11.c5 Qc7 12.Rc1 Nfd7 13.Nef3 a5 14.cb6 Qb6+=; 9...a6 10.Ne5 Nfd7 11.Ndf3 Ne5 12.Ne5 f6 13.Nf3 Be4 14.a4 Qd6+=; 9...Re8 10.Ne5 Qd6 11.Qa4 Nfd7 12.Ndf3 dc4 13.Bc4 Be6 14.Qb3 Bc4+=; 9...Qd6 10.a3 Rd8 11.Rc1 a5 12.c5 bc5 13.bc5 Qe6 14.Qa4 Ne4+=) 10.ba5 Ra5 11.c5 Nbd7 12.Nh4 Be6 13.cb6 Qb6 14.Bc3 Ra3=; B) 9.a3 dc4 (9...a5 10.ba5 Ra5 11.0-0 Nbd7 12.cd5 Rd5 13.Ng5 Ra5 14.e4 Bh6+=; 9...Nbd7 10.0-0 a5 11.b5 Rc8 12.bc6 Nb8 13.cd5 Qd5 14.Nc4 Qd8+=; 9...Qd6 10.0-0 Rd8 11.Rc1 a5 12.c5 bc5 13.bc5 Qc7 14.Nh4 Bc8+=; 9...Qe8 10.0-0 a5 11.Qb3 a4 12.Qc3 dc4 13.Qc4 b5 14.Qc5 Na6+=; 9...Qc8 10.Rc1 Qe6 11.Ne5 Qd6 12.0-0 Nfd7 13.cd5 cd5 14.Bf3 Ne5+=) 10.Nc4 a5 11.0-0 ab4 12.ab4 Ra1 13.Qa1 Nd5 14.Bc3 e6=; C) 9.cd5 cd5 10.Rc1 Qd6 11.Qa4 a6 12.0-0 Qe6 13.b5 Ra7 14.Ne5 Ng4+=.

8.Ne5 a5 A) 9.cd5 Nd5 (9...cd5 10.ba5 Ra5 11.Bd3 Nfd7 12.Nd7 Nd7 13.0-0 Ba6 14.Nb3 Ra4=) 10.ba5 Ra5 11.e4 Nf4 12.Ndc4 Ra8 13.Qf3 f6 14.Nc6 Nc6=; B) 9.ba5 Ra5 10.Be2 Nfd7 11.Nef3 Nf6 12.0-0 Ra7 13.Ne5 Nfd7 14.Nd3 dc4+=; C) 9.Qa4 Qe8 10.ba5 dc4 11.Qc4 Ba6 12.Qc2 Bf1 13.Nf1 Ra5 14.e4 Nfd7=; D) 9.a3 ab4 (9...Nfd7 10.Nd7 Bd7 11.Bd3 dc4 12.Nc4 ab4 13.ab4 Ra1 14.Ba1 Na6+=; 9...Bf5 10.Be2 ab4 11.ab4 Ra1 12.Qa1 dc4 13.Bc4 Qd6 14.Bc3 Nbd7=; 9...h6 10.Qf3 ab4 11.ab4 Ra1 12.Ba1 Bf5 13.Be2 Qd6 14.c5 Qc7=) 10.ab4 Ra1 11.Ba1 dc4 12.Bc4 b5 13.Be2 Nd5 14.Qb3 Be6=; E) 9.b5 cb5 10.cb5 a4 11.Rc1 a3 12.Bc3 Bf5 13.g4 Be6 14.Bb4 Ne4+=.

8.Ne5 Qd6 A) 9.a3 Bf5 (9...Nfd7 10.Nef3 a5 11.cd5 cd5 12.b5 Ra7 13.Bd3 Rc7 14.0-0 Nf6+=) 10.Be2 Nfd7 11.Nef3 a5 12.0-0 ab4 13.ab4 Ra1 14.Qa1 Rd8=; B) 9.Qa4 Ng4 (9...Nfd7 10.Nef3 Qe6 11.Bd3 a6 12.Rc1 b5 13.cd5 cd5 14.Qc2 Bb7+=; 9...Bf5 10.Be2 a5 11.c5 Qc7 12.cb6 Qb6 13.Bc3 ab4 14.Qb4 Qc7+=; 9...a5 10.c5 Qc7 11.cb6 Qb6 12.a3 Nfd7 13.Nd3 Qd8 14.Rc1 Nb6+=; 9...Qe6 10.Rc1 Nfd7 11.Ndf3 a6 12.Be2 b5 13.cb5 Nb6 14.Qa5 cb5=; 9...Bb7 10.Rc1 Nfd7 11.Nd3 Rc8 12.Be2 a5 13.ba5 c5 14.dc5 Nc5+=) 10.Ng4 Bg4 11.Rc1 Qf6 12.cd5 cd5 13.Bb5 a6 14.Bc6 Nc6=; C) 9.Bc3 Bf5 (9...Qe6 10.Qa4 Nfd7 11.cd5 cd5 12.Nd3 Nf6 13.Nf4 Qd6 14.Bd3 Bh6=; 9...Nbd7 10.Qa4 Bb7 11.Be2 Qe6 12.Nd7 Qd7 13.c5 Qe6 14.0-0 Rfb8=; 9...Rd8 10.Bd3 Nbd7 11.Qa4 c5 12.Nc6 Re8 13.bc5 bc5 14.Rb1 cd4=; 9...Nfd7 10.Nef3 Rd8 11.Bd3 Nf6 12.0-0 Bg4 13.h3 Bf5 14.Bf5 gf5+=; 9...h6 10.Bd3 Nbd7 11.0-0 c5 12.bc5 bc5 13.Rb1 Ba6 14.Qf3 Rab8+=) 10.g4 Be6 11.Qf3 Nfd7 12.Nd7 Qd7 13.g5 a6 14.c5 Bg4=; D) 9.Qb3 Rd8 (9...Bf5 10.Rc1 Nfd7 11.Nd7 Nd7 12.b5 cb5 13.cd5 Nf6 14.Bb5 Rac8+/–; 9...Nfd7 10.Nef3 Nf6 11.Bd3 Rd8 12.Rc1 Nbd7 13.0-0 h6 14.cd5 Nd5+=; 9...Nbd7 10.Rc1 a6 11.Bd3 a5 12.cd5 a4 13.Qa3 cd5 14.0-0 Re8+=; 9...h6 10.Bd3 Nfd7 11.Nef3 Nf6 12.0-0 Nbd7 13.Rfc1 a5 14.ba5 Ra5+=; 9...a6 10.Bd3 Nbd7 11.Rc1 a5 12.cd5 a4 13.Qa3 cd5 14.0-0 Re8+=) 10.Bd3 Nbd7 11.Rc1 a5 12.cd5 a4 13.Qa3 cd5 14.0-0 Bb7+=.

8.Ne5 Nfd7 A) 9.Nd3 a5 (9...Nf6 10.Be2 a5 11.ba5 Ra5 12.0-0 Bf5 13.Ne5 Nfd7 14.Nef3 Nc5=; 9...h6 10.Qf3 Nf6 11.Ne5 Qd6 12.a3 Bf5 13.g4 Be6 14.c5 Qc7+=; 9...Re8 10.Qf3 Nf6 11.Ne5 Bf5 12.cd5 cd5 13.Bb5 Rf8 14.g4 Be6=; 9...Na6 10.Be2 dc4 11.Nc4 b5 12.Nd2 Nf6 13.Rc1 Qd6 14.Ne5 Nb8+=) 10.ba5 dc4 11.Nc4 b5 12.Nb6 Nb6 13.ab6 Qb6 14.a4 Rd8=; B) 9.Ndf3 a5 (9...Ne5 10.Ne5 Qd6 11.Qa4 f6 12.Nf3 e5 13.b5 cb5 14.Qb5 Bb7=) 10.ba5 Ne5 11.Ne5 Ra5 12.cd5 Qd5 13.Qb3 Be5 14.de5 Ba6=; C) 9.cd5 cd5 (9...Ne5 10.de5 cd5 11.Rc1 Bf5 12.Nf3 Qd7 13.Be2 a6 14.0-0 h6+=) 10.Nd7 Qd7 11.Rc1 Ba6 12.Ba6 Na6 13.Bc3 Rac8 14.0-0 Rc7=; D) 9.Be2 Ne5 (9...a5 10.Nd7 Bd7 11.ba5 Ra5 12.0-0 Bf5 13.Qb3 dc4 14.Nc4 Rb5+=) 10.de5 a5 11.ba5 Ra5 12.0-0 Bf5 13.Nb3 Ra7 14.cd5 Qd5=; E) 9.Nd7 Nd7 (9...Qd7 10.Be2 Na6 11.Qb3 Nc7 12.0-0 Rd8 13.Rfc1 Qe6 14.a4 Bd7+=; 9...Bd7 10.Qf3 Na6 11.a3 Nc7 12.Bd3 b5 13.c5 a5 14.0-0 Na6+=) 10.Qa4 Nb8 11.cd5 Qd5 12.Rc1 Be6 13.e4 Qd7 14.Nf3 Rd8=.

8.Ne5 Bf5 A) 9.Rc1 Qd6 (9...a5 10.b5 cb5 11.cb5 Qd6 12.g4 Be6 13.Bg2 Qb4 14.Qb3 Qb3+=) 10.Qa4 Nfd7 11.g4 Be6 12.c5 bc5 13.dc5 Qc7 14.Nd7 Bd7=; B) 9.Be2 Nfd7 (9...dc4 10.Bc4 Qd6 11.Qb3 e6 12.f3 b5 13.Be2 Nd5 14.e4 Qb4+– 1.59; 9...a5 10.ba5 Ra5 11.0-0 Nfd7 12.Ndf3 Ne5 13.Ne5 Qd6 14.Qb3 Qd8+=; 9...Qd6 10.Qa4 a5 11.c5 Qc7 12.cb6 Qb6 13.Bc3 ab4 14.Qb4 Qc7+=) 10.Nd7 Qd7 11.a4 a5 12.ba5 ba5 13.Rc1 Na6 14.cd5 cd5=; C) 9.a3 a5 (9...Nfd7 10.Nd7 Nd7 11.cd5 cd5 12.Ba6 Rb8 13.Qa4 e5 14.0-0 ed4+=; 9...a6 10.Be2 Nfd7 11.Nd7 Qd7 12.0-0 b5 13.c5 a5 14.ba5 Ra5+=; 9...Qd6 10.Be2 Nfd7 11.Nef3 a5 12.0-0 ab4 13.ab4 Ra1 14.Qa1 Rd8=) 10.Qf3 Ne4 11.Ne4 Be4 12.Qg4 ab4 13.ab4 Ra1 14.Ba1 c5=; D) 9.Qf3 a5 (9...Ne4 10.Ne4 de4 11.Qf4 f6 12.Ng4 Qd6 13.Qd6 ed6 14.h3 Be6=; 9...Qd6 10.a3 Nbd7 11.Bd3 Bd3 12.Nd3 a5 13.c5 Qc7 14.0-0 Rfb8=; 9...e6 10.Be2 Ne4 11.cd5 Nd2 12.Kd2 cd5 13.Rac1 f6 14.Nd3 Nd7=) 10.b5 Qd6 11.c5 bc5 12.Ba3 Nfd7 13.Nc6 Nc6 14.bc6 Qc6+=; E) 9.cd5 cd5 10.Rc1 Qd6 11.a3 Nfd7 12.Nd7 Nd7 13.Ba6 Nf6 14.Qa4 Bc8=.

8.a4 Bg4

9.a5 Na6 (9...Nbd7 10.h3 Bf5 11.g4 Be4 12.g5 Ne8 13.Ne4 de4 14.Nd2 f5+/–; 9...dc4 10.ab6 Qb6 11.Bc3 Nd5 12.Nc4 Qb7 13.Qb3 Bf3 14.gf3 Nc3=) 10.Qa4 dc4 11.ab6 ab6 12.Qc6 Nb4 13.Ra8 Qa8 14.Qc4 Qa4+=.

9.Qb3 Bf5 (9...a5 10.b5 cb5 11.Qb5 Nc6 12.Ne5 Ne5 13.de5 Bd7 14.ef6 Bb5+=; 9...a6 10.Ne5 Be6 11.Bd3 dc4 12.Bc4 Bc4 13.Ndc4 Qd5 14.0-0 Nbd7+=; 9...e6 10.a5 Nbd7 11.Bd3 c5 12.ab6 ab6 13.Ra8 Qa8 14.dc5 bc5=; 9...Be6 10.Bd3 dc4 11.Bc4 Bc4 12.Nc4 Qd5 13.0-0 b5 14.Ncd2 Qb3=; 9...Qd6 10.Bd3 Nbd7 11.Ne5 Be6 12.0-0 c5 13.Nd7 Nd7 14.dc5 bc5+=) 10.a5 dc4 11.Nc4 b5 12.Nce5 Qd5 13.Ra3 Qd6 14.Ng5 Na6=.

9.Bd3 Nbd7 (9...a5 10.b5 cb5 11.ab5 Nbd7 12.0-0 dc4 13.Bc4 Rc8 14.Qb3 Ne8+=; 9...dc4 10.Bc4 a5 11.b5 cb5 12.Bb5 Na6 13.0-0 Nc7 14.Bc6 Rc8+=; 9...c5 10.bc5 bc5 11.dc5 Nbd7 12.c6 Nc5 13.Be2 Rc8 14.Bd4 Bf3+=; 9...Qd6 10.Qb3 Nbd7 11.Ne5 Rfd8 12.Rc1 Rac8 13.cd5 cd5 14.0-0 Qe6+=; 9...Na6 10.Ba3 c5 11.b5 Nc7 12.h3 Bf3 13.Nf3 Ne6 14.0-0 cd4+=) 10.h3 Be6 11.Rc1 c5 12.dc5 bc5 13.b5 a6 14.ba6 dc4=.

9.Be2 Nbd7 (9...a5 10.b5 Qd6 11.Rc1 cb5 12.c5 Qe6 13.ab5 a4 14.Ra1 bc5+=; 9...Qd6 10.0-0 Nbd7 11.h3 Bf5 12.Nh4 Be6 13.c5 Qc7 14.Qc2 Rfb8+=; 9...dc4 10.Nc4 Nd5 11.Qd2 Nd7 12.e4 Nc7 13.h3 Bf3 14.Bf3 Nb8+=; 9...Bf5 10.0-0 Qd6 11.c5 Qc7 12.Nh4 Bc8 13.Nb3 Ne4 14.Rc1 Bf6+=; 9...h6 10.a5 Na6 11.ab6 ab6 12.Qb3 dc4 13.Qc4 b5 14.Qc6 Bd7+=) 10.0-0 c5 (10...a5 11.b5 cb5 12.ab5 Rc8 13.h3 Bf5 14.Qb3 Be6+=) 11.h3 (11.dc5 bc5 12.b5 dc4 13.Nc4 Rb8 14.Rc1 Bf5+=) 11...Bf3 (11...Be6 12.dc5 bc5 13.b5 Qc7 14.cd5 Bd5=) 12.Bf3 e6 (12...cb4 13.cd5 Rc8 14.Qb3 a5+=) 13.dc5 (13.bc5 bc5 14.Ba3 Rc8+/–) 13...bc5 14.b5 (14.cd5 Nd5+=) 14...Rc8 15.Qb3 Qc7 16.Rfc1 Ne5 17.Be2 Ne4 18.Ne4 de4 19.Rd1 Rfd8 20.Bc3 Rd1 21.Rd1 (worse is 21.Qd1 Nf3 22.gf3 Bc3=) 21...Rd8 22.Be1 Rd6 23.a5 Qd8? (better is 23...Rd1 24.Bd1 Nd7+=) 24.Rd6+– Qd6 25.Qa4 (25.b6 ab6 26.ab6 f5+–) 25...Bf8? (better is 25...Qd8+=) 26.Bc3+– Qb8 27.b6! Bd6 (27...ab6 28.ab6 Passed pawn) 28.Qb5 ab6 29.ab6 Qc8 30.b7 Qd8 31.Ba5 (31.Be5!? Be5 32.Qc5 Qc7+–) 31...Qb8 32.Bd1 h5 33.Bc2 f5 34.Ba4 Kf7 35.Qa6 Ke7 (35...Kg7 36.h4+–) 36.Bb6 g5 37.Bb5 Nd3 38.Ba7 Bh2 (38...Qd8+–) 39.Kf1 Qe5 (39...Qh8 40.g3 Qb2 41.Bc5 Nc5 42.Qd6 Kf7+–) 40.b8Q (40.b8Q Qb8 41.Bb8 Bb8 42.Qb7 Kf6 43.Qb8+–) 1–0. Lenic,L (2575) – Dineley,R (2270), 17th TCh–Eur, Novi Sad SRB, 2009. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 b6)

9.h3 Bf5 (9...Be6 10.a5 dc4 11.ab6 Qb6 12.Bc3 Na6 13.Qa4 Nd5 14.Nc4 Qb5+=; 9...Bc8 10.Bd3 dc4 11.Nc4 Nd5 12.Qb3 Na6 13.b5 Nab4 14.Be4 Bb7+=; 9...Bd7 10.Bd3 a5 11.ba5 Ra5 12.Nb3 Ra8 13.c5 Na6 14.Ba3 b5+=) 10.a5 dc4 11.ab6 Qb6 12.Bc3 Nd5 13.Nc4 Qb7 14.Qd2 Nc3=.

7.cd5 Nd5

8.a3 Bb7 9.Be2 Nd7 10.Nc3 c5 11.Nd5 Bd5 12.bc5 bc5 13.0-0 Rb8 14.Rb1 (better 14.Bc3!?=) 14...Ba2-/+ 15.Ra1?? (better 15.Qa4-/+) 15...Rb2-+ 16.Qc1 (16.Bb5-+) 16…Re2 (16...Re2 17.Nd2 Be6-+) 0-1. muhammadaudii (1940) - vipiu (2180), Mediterranean Checkmate Corona Team Bat, lichess.org, 2020.

8.Qb3 Bb7 9.Nc3=.

8.Qb3 c5 9.b5 (9.bc5!? bc5 10.dc5 Bb2 11.Qb2 Qa5 12.Nbd2 Qc5 13.e4+=) 9...cd4 10.Nd4 Bb7 11.Nd2 Nd7 12.N2f3 (12.Nc6 Bc6 13.Bg7 Kg7 14.bc6 Nc5=) 12...Nc5+= 13.Qa3 (13.Qd1 Qc7=) 13...Nc7 (13...a5 14.Nc6 Bb2 15.Qb2 Bc6 16.bc6-/+) 14.Be2 (14.Rd1 Qe8=) 14...a6+= 15.Nc6 (15.ba6 Ba6 16.Ba6 Ra6-/+ (worse is 16...N5a6 17.Nc6 Bb2 18.Qb2=)) 15...Qe8 (15...Nb5!? 16.Bb5 Bc6 17.Bg7 ab5–+) 16.Bg7+= Kg7 17.Qb2 Kg8 18.Ncd4 ab5 (18...e5 19.ba6 N7a6 20.Qb6 ed4 21.Ba6 Bf3 22.Qc5 Bg2 23.Rg1 Ra6 24.Rg2–+) 19.Nb5 (19.0-0 Ra5=) 19...Qc6 (19...Nb5 20.Bb5 Qc8 21.Rg1+=) 20.Nc7 Qc7 21.0-0 Ba6 22.Ba6 Ra6 23.Rfd1 Rfa8 24.h3 (24.Rd2 Na4 25.Qb3 Nc3=) 24...Qa7 The pressure on a2 grows (24...Na4 25.Qd2=) 25.Rd2 Ne4 26.Rc2 Nd6 (26...Nc5 27.Qb5=) 27.Nd4 (27.Ne5 b5=) 27...Qd7 ½–½. Luneau – Garcia Rodriguez, Andorra, 1995.

8.b5 a6 9.Nc3 ab5 10.Bb5 Nc3 11.Bc3 Qd6 12.0-0 Nc6.

8.b5 a6 9.e4 Nf4 10.Qd2 Bh6 11.Qc3 Bg7 12.Qe3 White prepares e5 12...Ne6 d4 becomes the focus of attention 13.e5 Bb7 14.Nbd2 Qd7 15.a4 Rd8 16.Rc1 c5 17.Nb3 ab5 18.Bb5 Bc6 19.Bc6 Nc6 20.dc5 Qd3 (20...Ra4!? 21.0-0 b5+=) 21.Qd3+= Rd3 22.Nfd2 bc5 23.Nc5 Nc5 24.Rc5 Rad8 25.Rc6 Rd2 26.Rc8 Rd1 27.Ke2 R1d2 28.Ke1 Bh6 29.Rd8 Rd8 30.Rf1 Ra8 31.Ke2 Ra4 32.Kd3 e6 33.Bc3 Bf8 34.Rb1 Bc5 35.f3 h5 36.Rb5 Be7 37.Rb7 Kf8 38.Bd2 Ra3 39.Kc4 Ra4 40.Kd3 Ra3 ½–½. Kempinski,Robert (2595) – Tomczak,J (2560), Chorzow Poland, Men Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6 6.d4 d5)

8.b5 c5 9.bc6 Nc6 10.Be2 Bb7 11.0-0 Rc8 12.Na3 ½–½. Vladimirov,Evgeny (2580) – De la Villa Garcia,JM (2470), Leon, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 b6)

8.b5 Nd7 9.e4 Nf4 10.g3 Ne6 11.Nc3 a6 12.ba6 c6.

8.Nc3 Nb4 (8...Be6 9.Ng5 Qd6 10.b5 Nc3 11.Bc3 c5 12.Be2 Nd7) 9.a3 Nd5 10.Bc4 Nc3 11.Bc3 Nc6 12.Qb3 Rb8.

8.Qd2 Bf5 (8...Bg4 9.b5 a6 10.e4 Nf6 11.Nc3 ab5 12.Bb5 Ra5) 9.b5 a6 10.Nc3 ab5 11.Bb5 Nc3 12.Qc3 Nd7.

6.d4 dc4

7.Bc4 a6 8.0-0 b5 9.Be2 Bb7 10.Nc3 Nbd7 11.a4 c6 12.ab5 (12.Qb3 Nb6+/-) 12...cb5+= 13.e4 White prepares the advance d5 (13.Qb3 Nb6+=) 13...Nb6 (13...Ne4 14.Qd3 Nd6-/+) 14.d5?? (14.Bd3 Rc8=) 14...Nc4?? (better 14...Ne4 15.Ne4 Bb2-+) 15.Bc4+= bc4 16.Qe2 Rc8 (16...e6 17.de6 fe6+/-) 17.Ne5 (17.Na4 e6 18.Nc5 Rc5 19.bc5 ed5 20.ed5 Qd5+/-) 17...e6 (17...Nh5 18.Nf3=+ (worse 18.Nc4 Nf4 19.Qf3 Rc4-+)) 18.Rfd1 (better 18.de6!? fe6 19.Nc4+=) 18...ed5=+ 19.Nd5? (19.ed5 Re8 20.Nc6 Re2 21.Nd8 Rb2 22.Nb7-/+) 19...Nd5-+ (19...Bd5 20.ed5 c3 21.Bc1-+) 20.ed5 Re8 (20...Bd5 21.Ra5 (21.Ra6? c3-+) 21...c3 22.Rad5+= (22.Rdd5?? cb2 23.Qb2 Be5 24.Rd8 Bb2 25.Rc8 Rc8-+)) 21.Nf7 (21.Rac1 Be5 22.Be5-+) 21...Re2 (21...Kf7?! 22.Qf3 Kg8 23.Bg7 Kg7 24.Qc3 Qf6 25.Qf6 Kf6 26.d6-+) 22.Nd8 Bb2 (better 22...Rd8 23.Bg7 Kg7 24.Rdc1-+) 23.Nb7 Ba1 24.Ra1 c3 25.Nc5 (25.Kf1 Rb2 26.Rc1 Rb4-+) 25...Rd2 (better 25...c2 26.Kf1 Rd2 27.Ke1 Rd5 28.Ne4-+) 26.Na6 (26.Ne4 Rb2 27.Nc3 Rc3 28.h3-+) 26…c2 (26...c2 27.g3 Rd1 28.Kg2 Ra1 29.Kh3 c1Q 30.Nc5 Qf1 31.Kg4 Qf2 32.Kh3 Rg1 33.Kh4 Qf5 34.d6 Qh5) 0-1. muhammadaudii (2100) - Jarocheca (1960), Black Lives Matter, lichess.org, 2020.

7.Bc4 a6 8.0-0 b5 9.Be2 Bb7 10.Nbd2 Nc6 11.a3 Re8 12.Rc1 e5 (12...e6 13.Qc2+/-) 13.de5 (13.Ne5 Ne5 14.de5 Nd5+/-) 13...Ng4 (13...Nd7 14.Qc2+=) 14.Nb3+/- Nce5 15.Ne5 Ne5 16.Qd8 Rad8 (16...Red8 17.Rc7 Bd5 18.Nc5+/-) 17.Rc7 Bd5 18.Nd4 (18.Nc5 Bc4 19.Bc4 Nc4 20.Bg7 Kg7 21.Na6 Na3+/-) 18...Nc4+= 19.Bc4 Bc4 (19...bc4 20.Rd1+=) 20.Rc1+/- Bd4 (20...Be5 21.Rc6 Rd6 22.Rc5+/-) 21.Bd4+- ½-½. Gehaktbalmetjus (2140) - Makarow9x18 (2375), Rated Rapid game, lichess.org, 2019.

7.Bc4 a6 8.Nbd2 b5 9.Be2 Bb7 10.0-0 Nbd7 (10...Qd6 11.a4+=) 11.Rc1 Nb6 12.Qc2 Rc8 13.Ne5 Nbd5 14.a3 a5 (better 14...Nb6!?+/-) 15.ba5+- (15.Bb5 ab4 16.Ra1 c5 17.dc5 Qb6 18.cb6 Rc2=) 15...c6 16.Nb3 Nd7 17.Nd7 Qd7 18.Nc5 Qc7 19.a6 Ba8 20.a4 ba4 (20...b4 21.e4 Nf4 22.Bg4+-) 21.Qa4 Nb6 22.Qa5 Nd5 (22...Qa7 23.Ra1+-) 23.Qc7 Rc7 24.e4 Nb4 (24...Rb8 25.Ba1 (25.ed5?! Rb2 26.Rb1 Bd4 27.Rb2 Bb2+-) 25...Nf6 26.Rb1+-) 25.Bc4 Rb8 26.Bc3 e5 (26...Nd5 27.ed5 cd5 28.Bd3+-) 27.Rb1 ed4 28.Bb4 Bf8 (28...Re7 29.f4+-) 29.Ba5 Rb1 30.Rb1 (30.Bc7?! Rf1 31.Kf1 Bc5+-) 30...Ra7 (30...Rc8 31.Nd7 Bd6+-) 31.Rb8 Kg7 32.Bb6 Bc5 33.Bc5 (33.Bc5 Rd7 34.e5+-) 1-0. PEREIRA – Lahore, internet, 2022.

7.Bc4 a6 8.Nbd2 Nbd7 9.0-0 Nb6 10.Be2 Bg4 11.a4 Nbd5 12.b5 ab5 13.ab5 b6 (13...Qd6 14.Qc2=) 14.h3 Ra1 15.Qa1 Bd7 16.Ne5 e6 17.Rc1 Qe7? (better 17...Ne8+/-) 18.Ba3+- (18.Nd7?! Qd7 19.Nf3 Ne4+=) 18...Qd8 19.Bf8 Qf8 20.Nd7 Nd7 21.Bf3 Qd6 (21...N7f6 22.e4 Bh6 23.ed5 Bd2 24.Rc2+-) 22.Ne4 (22.Qa8!? Nf8 23.Qc6 Qa3+-) 22...Qb4 23.Nc3 Nc3 (23...N5f6+-) 24.Qc3 (24.Rc3?! Bf8 25.Rc7 Nf6+-) 24...Qc3 25.Rc3 c5 (25...Nc5+-) 26.bc6 Nf6 (26...b5 27.cd7 Bf6 28.Rc8 Kg7 29.d8Q Bd8 30.Rd8+-) 27.c7 Nd5 28.c8Q Bf8 29.Bd5 ed5 30.Qd7 (30.Rc7 h5 31.Qe8 Kg7 32.Qf7 Kh6 33.Qf8 Kg5 34.Qf4) 30...b5 31.Rc7 Kg7 (31...Ba3 32.Qf7 Kh8 33.Qh7) 32.Qf7 Kh6 33.h4 (33.Qf8 Kh5 34.Rh7 Kg5 35.Qf4) 33...Bg7 (33...Kh5 34.Qf3 Kh4 35.Qf4 Kh5 36.Rh7 Bh6 37.Rh6) 34.Qf4 Kh5 35.Qg5 1-0. opperwezen (2550) - jaci27 (2155), lichess.org, 2019.

7.Bc4 b6 8.Nbd2 Bb7 9.0-0 Nbd7 10.Qb3 e6 11.Rfe1 c6 12.a4 a5 13.b5 (13.ba5 Ra5 14.Bc3 Ra7+=) 13...c5= 14.Rad1 Qc7 15.Rc1 Rac8 16.e4 Qb8 17.e5 (17.d5 ed5 18.ed5 Qd6+=) 17...Nd5 18.Qd1 (18.Ng5 h6 19.Ngf3 Rfd8=) 18...cd4 19.Bd4 Rfd8 20.Qb3 h6 (20...Bh6 21.Qa3+=) 21.h4 Nf4 (21...Ne7!?=) 22.Qe3+= Nd5 23.Qa3 (23.Bd5 Bd5 24.Ne4 A) worse is 24...Ne5 25.Ne5 Be5 26.Nf6 (26.Bb6? Rc1 27.Rc1 Bh2 28.Kf1 Bf4 29.Nf6 Kg7-/+) 26...Bf6 27.Bf6+/–; B) 24...Bf8+=) 23...Bf8+= 24.Qa1 Nc5 25.Bc5 Bc5 (worse is 25...bc5 26.Bd5 Bd5 27.Nc4+=) 26.Ne4 Be7 27.Bf1 Nf4 ½–½. Matveeva,Svetlana (2420) – Pavlova,Alina (2150), 58. ch–RUS w HL, 2008. (=1.d4 d5 2.c4 dc4 3.e3 Nf6 4.Bc4 g6 5.Nf3 Bg7 6.b4 0-0 7.Bb2 b6)

7.Bc4 c6 8.0-0 Qb6 9.Qb3 e6 10.Nbd2 Nd5 11.Bd5 (11.a3!?+/–) 11...ed5= 12.e4 Be6 13.e5 Nd7 14.Ng5 h6 15.Ne6 fe6 16.f4 Kh7 17.a3 Qd8 18.Qh3 Qe7 19.Bc1 Rf7 20.Nf3 Kg8 21.Nh4 Kh7? (better is 21...Nf8!?+=) 22.Ng6!+– Kg6 23.Qd3 Rf5 24.g4 Raf8 25.gf5 Rf5 26.Kh1 Nb6 (26...Kf7!?+–) 27.Rg1 Kh7 28.Be3 (28.Ra2!? Bf8+–) 28...Nc4 29.Rg3 1–0. Tarasov,Aleksei – Genov,Ivaylo, Budva MNE, 2013.

7.Bc4 c6 8.Nbd2 a5 9.b5 cb5 10.Bb5 Bd7 11.Bd3 Nc6 12.0-0 Nb4 Black prepares a4 13.Nb3 (13.Be2 Rc8=) 13...Nd3 14.Qd3 a4 (14...Bf5 15.Qb5=) 15.Nc5 Bc6 (15...Bf5 16.e4 Bc8 17.Qe2=) 16.Ne5+= Qb6 (16...Qe8 17.Rfc1=) 17.Nc4 (17.Ba3!? Rfb8 18.Rab1+/-) 17...Qc7= 18.Ba3?? (better 18.Ne5=) 18...b6-+ 19.Ne5 (19.Nb6 Qb6 20.Rab1 Qc7-+) 19...bc5 20.Bc5 Be4 (20...Bd5 21.Rfc1-+) 21.Qa3 Rfe8 22.Rac1 Qb7 (22...Bb7 23.Rfd1-+) 23.f3 Bc6 (23...Bf5 24.e4 Be6 25.Rb1-+) 24.e4 (better 24.Rb1!? Qc8 25.Be7-/+) 24...Nd7-+ 25.Nc6 Qc6 26.Be7 (26.d5 Qb5 27.Bb4 Rac8-+) 26...Bd4 27.Kh1 Qe6 28.Bd6 (28.Rfd1 Bg7 29.Bb4 Ra6-+) 28...Rec8 29.Rcd1 Bg7 30.h3? (30.Bf4 Ne5-+) 30...Nb6 (better 30...Rc2 31.Qe3 Qa2 32.Qg5-+) 31.Bc5 (31.Bf4-+) 31...Nc4 32.Qb4 Rab8 33.Qa4 Nb2 (better 33...Rc5!? 34.Qd7-+) 34.Qa3 Nd1 35.Rd1 Ra8 36.Qb4 Ra2 37.e5 (37.Be3 Be5-+) 37...Be5 38.Re1 (38.Be3 Bc3 39.Qg4 Qg4 40.hg4 Be5-+) 38...Qd5 39.Bf2 (39.Bb6-+) 39…Bc3 (39...Bc3 40.Qe4 Qe4 41.Re4 Rf2-+) 0-1. zembelek (2115) - evilcoyote (1935), Rated Blitz game, lichess.org, 2014.

7.Bc4 Qd6 8.a3 Nc6 (8...a5 9.b5=) 9.0-0 Rd8 (9...Be6 10.Be6 Qe6 11.Qc2=) 10.Qb3+= Rf8 (10...e6 11.Nc3+=) 11.Ng5 e6 12.Nd2 a5 13.b5 a4 14.Qc2 Na5 15.Be2 Qd5 16.h4 Nb3 17.Nb3 ab3 18.Qc7 Ne4 (18...h6 19.Nf3 Bd7 20.Bc4+/–) 19.Bc4 Qf5?? (better is 19...Qd6 20.Qd6 Nd6 21.Bb3 Nb5+–) 20.Bd3 Qg4 21.Ne4 Qh4 22.a4 Rd8 (22...Qd8 23.Qc3 f5+–) 23.g3 Qh3 24.Qd8 Bf8 25.Ba3 Qh6 (25...Qg3 26.fg3 Bd7 27.Qa8 Be8 28.Qe8 h5 29.Qf8 Kh7 30.Rf7) 26.Nf6 Kh8 27.Qf8 (27.Bf8 Bd7 28.Qa8 Qf4 29.Bh6 Qb8 30.Qb8 Be8 31.Qe8) 27...Qf8+– 28.Bf8 1–0. Jeriominas,Jurijus – Misiuk,Emilija, Vilnius LTU, Open, 2014.

7.Bc4 Qd6 8.Qa4=.

7.Bc4 Qd6 8.Qb3=.

7.Bc4 e6 8.0-0+= b6 9.Nc3 Nc6 (9...a6 10.Ne5+=) 10.b5 (10.a3 a6+=) 10...Na5+= 11.Bd3 c6 (11...c5 12.dc5 bc5 13.Qe2+/–) 12.Ba3 (12.Ne5 cb5 13.Ba3 b4 14.Bb4 Bb7+–) 12...Re8 13.Ne5 (13.Bb4 cb5 14.Ba5 ba5 15.Bb5 Bd7+/–) 13...Bb7 (13...c5 14.dc5 Nd5 15.Nd5 Be5 16.Nf4 Ba1 17.Qa1=) 14.Bb4 Rc8 (14...Nd7 15.f4 c5 16.Ba5 ba5 17.Ne4 cd4 18.Nd6 (< 18.ed4 Ne5 19.de5 Qd4 20.Nf2 Qf4-/+) 18...Be5 19.fe5 (19.Nb7?! Qb6 20.fe5 de3=; < 19.Ne8 Bb8=+) 19...de3 20.Nb7=) 15.Ba5+/– ba5 16.Qf3 Nd5? (better is 16...Qc7+/–) 17.Qf7+– Kh8 18.Nd5 (18.Qb7 Be5 19.Nd5 Qd5 20.bc6 Qd6 21.de5 Qd3+–) 18...Be5 19.Qb7 Qd5 20.de5 (20.bc6 Bd6+–) 20...Qd3 21.bc6 Qd8 22.Rad1 Qb6 23.Rd7 Qb7 24.Rb7 Rc6 25.Ra7 Rc5 26.f4 Rd8 27.Rb1 g5 28.Rbb7 Rd1 29.Kf2 Rc2 30.Kf3 Rd8 31.Rh7 Kg8 32.Rag7 Kf8 33.Rg5 Ra2 34.Rh8 Ke7 35.Rg7 1–0. Bonetti,Shane (2320) – capablanka (1710), ICC, 2003.

7.Bc4 e6 8.0-0 c6 9.a4 (9.Nc3 Nd5+=) 9...Nbd7 10.b5 c5 11.Nbd2 (11.Qc2 cd4 12.Bd4 b6+=) 11...b6 12.Qb3 (12.Qe2 Bb7+=) 12...a5 (better is 12...Bb7+=) 13.Be6 (better is 13.e4!?+=) 13...fe6+= 14.Qe6 (14.Ng5 Nb8 15.Ne6 Be6 16.Qe6 Kh8=) 14...Kh8-/+ 15.Ng5 Qe8 (15...Bb7 16.Rae1 Bd5 17.Qd6-/+) 16.Qd6 (16.Nc4 h6 17.Nd6 Qe6 18.Ne6 Rg8+/–) 16...Bb7+= 17.Ne6 Rf7 18.dc5 Nc5 (18...bc5!? 19.Rab1 Kg8+=) 19.Ng7+= Kg7 20.Qb6 Nd3?? (better is 20...Qe7+=) 21.Bf6+– Rf6 22.Qb7 Kh6 (22...Rf7 23.Qe4 Qe4 24.Ne4+–) 23.Ne4 (23.Qe4 Qe4 24.Ne4 Rb6+–) 23...Rf7 (23...Re6 24.f3+–) 24.Qd5 Rd8 25.Nd6 Qd7 (25...Rfd7 26.Qd3 Rd6+–) 26.Nf7 (26.Nf7 Kg7 27.Qd7 Rd7 28.Ng5+–) 1–0. DEFFM – GuestQJCD, freechess.org, 2018.

7.Bc4 e6 8.0-0+= Nbd7 9.Qc2+=.

7.Bc4 Bf5 8.0-0 Nc6 9.b5 Nb4 10.Nc3 c6 11.Qb3 Nd3 (11...cb5 12.Bf7 (12.Qb4?! bc4 13.Qc4 Rc8=) 12...Rf7 13.Qb4+=) 12.Ng5 (12.Ba3 cb5 13.Nb5 a6 14.Bd3 Bd3 15.Qd3 ab5+/–) 12...Nb2 (12...Qe8 13.Ba3 Bh6 14.f4+/–) 13.Bf7+/– (13.Qb2?! Rc8=) 13...Kh8 14.Qb2 h6 (14...e5 15.Be6 ed4 16.ed4+=) 15.Ne6 Be6 16.Be6 Qd6 17.Qb3 Rad8 18.Rfd1 b6? (18...Nd5 19.Bd5 cd5 20.Rac1+/–) 19.Ne2 (better is 19.Rac1!? a6 20.bc6 Qc6+–) 19...Nd5 20.Bd5 cd5 21.Rac1 e5 22.de5 Qe5 (22...Be5 23.f4 Bf6 24.Nd4+–) 23.Nf4 (23.Rc6 g5+–) 23...d4?? (better is 23...Rf4 24.ef4 Qf4+–) 24.Ng6 (24.Ng6 Kh7 25.Ne5 Be5 26.Qe6+–) 1–0. Janek – Lfwbmt, internet, 2019.

7.Bc4 Bf5 8.0-0 Nbd7 9.Nc3 Nb6 10.Bd3 Bd3 11.Qd3 Nbd5 12.a3 Nc3 13.Bc3 c6 14.e4 Qc7 15.Ne5 Rad8 16.Qe2 (16.Qe3 Nd7=) 16...Nd7= 17.Nf3 Nb6 18.a4 Nc8 19.Rfc1 Rd7 20.d5 Bc3 (20...Bh6 21.Be5 Nd6 22.Rc5+/–) 21.Rc3+/– Qd6 22.Qc2 Qb4 23.Rb1 Qa5 24.Ne5 Rd6? (better is 24...Rc7 25.Rc5 Qa6+/–) 25.Nc4+– (25.Rb7?! cd5 26.Rb5 Qa6 27.ed5 e6+/–) 25...Qc7 26.Nd6 Qd6? (26...Nd6 27.dc6 b6+–) 27.Rb7 cd5 (27...Qf6 28.dc6 Nd6 29.Rbb3+–) 28.Rc8 Rc8 (28...de4 29.Ra7 Rc8 30.Qc8 Kg7 31.Qc3 f6 32.h4 Qd1 33.Kh2 Qd6 34.Qg3+–) 29.Qc8 Kg7 30.Qc3 d4 31.Qc7 Qa3 32.Qe5 Kh6 33.g3 Qa1 34.Kg2 d3 (34...Qa2 35.Qe7 Kg7 36.Ra7 d3+–) 35.Qa1 (35.Qa1 Kg5 36.Qg7 d2 37.h4 Kh5 38.Qh7 Kg4 39.f3) 1–0. Adlai – Toq2364, internet, 2019.

7.Bc4 Bf5 8.0-0 Nbd7 9.Bd3=.

7.Bc4 a5

8.b5 b6 9.Nbd2 Bb7 10.0-0 c6 11.a4 cb5 12.Bb5 Na6 13.Qb3 Ne4 14.Ba3 Nac5 (14...Nd2 15.Nd2 Rc8 16.Rfc1+/–) 15.Qc2 (15.dc5 Nd2 16.Nd2 Ba1 17.Ra1 bc5+–) 15...Rc8? (15...Nd2 16.Nd2 (worse is 16.Qd2 Bf3 17.Qe1 Nb3-/+) 16...Nd7 17.Rac1+/–) 16.Rab1 (16.dc5!? Nd2 17.Nd2 Ba1 18.Ra1 bc5+–) 16...Na4 (better is 16...Na6!? 17.Bc4 Nd6+=) 17.Qa4+/– Nc3 18.Qb3 Nb1 19.Rb1 Bc6 20.Bc6 Rc6 21.Nc4 Qd5 22.Nb6 (worse is 22.Be7 Re8 23.Na5 Qa5+=) 22...Qb3 23.Rb3 Rb8 24.Bc5 a4 25.Rb1 (better is 25.Rb4!? a3 26.Ne1+=) 25...a3+= 26.Ba3 A deflection 26...Rcb6 27.Rb6 Rb6 The mate threat is Rb1 28.g3 Bf6 29.Nd2 Ra6 30.Nc4?? (30.Bc5 h5+=) 30...h5?? (30...Ra4 31.Be7 Be7 32.Nb6–+) 31.Kg2? (better is 31.Bc5-/+) 31...Ra4–+ 32.Be7 Be7 (32...Rc4 33.Bf6 Rc6 34.Be7+=) 33.Ne5 Bd6 34.Nd3 Ra2 35.h3 Kf8 36.Kf3 Ke7 (36...Rd2 37.Nc1–+) 37.Ke4 Rd2 38.f4 (38.d5–+) 38...f5 (38...f5 39.Kf3 Rd3–+) 0–1. Pennell,Gary – Wall,Bill, Statesville, NC, 1979.

8.b5 c5 9.dc5 (9.0-0 Qc7+=) 9...Qd1= 10.Kd1 Ne4 11.Bg7 Kg7 12.Ke2 Nc5 13.Nc3 (13.Rd1 Bg4=) 13...Bg4 14.Nd5 (14.Rac1 Nbd7=) 14...Nbd7+= 15.Rac1 (15.Rhd1 e6 16.Nc3 Ne5-/+) 15...e5 (15...e6!? 16.Nc3 Rac8-/+) 16.h3= Bf3 17.Kf3 b6 (17...e4 18.Kg3=) 18.h4 (18.Rhd1 Rfc8+=) 18...h5 19.Be2 (19.Rhd1 Rfd8+=) 19...e4 (19...Rac8 20.Rhd1+=) 20.Kg3 f5? (better is 20...Rab8+=) 21.Nb6!+– Nb6 22.Rc5 Rad8 (22...Rac8 23.Rhc1+–) 23.Rd1 Rd1 24.Bd1 Rd8 (24...a4 25.Bc2+–) 25.Bb3 a4 26.Rc7 Kf6 (26...Kf8 27.Bf7 Rd6 28.Kf4+–) 27.Rc6 Ke5 (27...Kg7 28.Be6 Rb8+–) 28.Re6 (28.Rb6?! ab3 29.ab3 Rd3+–) 1–0. Barcarola (1615) – nbsjh (1680), internet free game, 2018.

8.b5 Nbd7 9.0-0=.

8.b5 Ne4 9.Nbd2 Nd6 10.Be2 (10.Bd3 Nd7=) 10...Bd7 (10...a4 11.Qc1=) 11.a4 c6 (11...Bf5 12.h4=) 12.bc6 (12.e4 cb5 13.e5 Nc4 14.Nc4 bc4+=) 12...Bc6 (12...Nc6 13.0-0=) 13.0-0 Nd7 14.Ba3 Nb6 (14...Rc8 15.Qb3 Nf6 16.Ne5+=) 15.Bc5 Nd5 (15...Nd7 16.Bd6 ed6 17.Qb3=) 16.Qb3 b6 17.Ba3 Rb8 (17...Qd7 18.Rfc1+=) 18.Rfc1 (18.Rfd1+=) 18...Ba8? (18...Qd7 19.Ba6+=) 19.Rc2 (19.Ne5!?+/–) 19...Qd7 20.Rac1 Rfc8 (20...Rbc8 21.Ne5 Qe6 22.Rc8 Rc8 23.Rc8 Qc8 24.Bf3+/–) 21.Nc4 Nc4 22.Bc4 e6 23.Bb5 (23.Ne5 Qd8+/–) 23...Qd8+= 24.Ne5 Rc2 (24...Be5 25.de5 Rc2 26.Qc2+=) 25.Qc2 Be5 26.de5 Qg5?? (better is 26...Nb4 27.Qb2 Bb7+=) 27.Bd6+– Rd8 28.f4 Qh4 (28...Nf4 29.ef4 Qf4+–) 29.g3 Qh3 30.Qc8!! (30.Qc8 Qg2 31.Kg2 Nc7 32.Qa8 Na8 33.Be7+–) 1–0. Debarnot,Roberto (2380) – Grinberg,Ricardo (2370), ARG–ch Buenos Aires, 1985. (=1.d4 d5 2.c4 dc4 3.Nf3 Nf6 4.e3 g6 5.Bc4 Bg7 6.b4 0-0 7.Bb2 a5)

8.b5 Bg4 9.h3 Bf5 10.g4+=.

7.Bc4 Nc6

8.a3 a6 9.0-0 b5 10.Be2 Bb7 11.Nbd2 a5 12.Qb3 ab4 13.ab4 Ra1 14.Ra1 e6 (14...Qd5!?+/–) 15.Bb5+– Ne7 16.Bd3 Qb8 17.Rb1 Ned5 18.Ba3 Rc8 19.b5 Nb6 20.Bc5 Bd5 21.Qb2 Qb7 22.Qb4 Nfd7 23.e4 Nc5? (better is 23...Ba2 24.Ra1 Nc5 25.Qc5 Ra8+–) 24.dc5 Ba2 25.Rc1 (25.cb6?! Bb1 26.Qb1 cb6+–) 25...Na8 26.e5 (better is 26.Qa3 Rd8 27.Be2+– (27.Qa2?! Rd3 28.Rb1 Rd8+–)) 26...Bd5 27.Be4 Be4 28.Ne4 (28.Qe4?! Qb5 29.Ra1 Qe8+/–) 28...Qd5 29.Nc3 Qd3 30.Qe4 Qd8 31.Rd1 Qf8 32.Qc6 h6 33.h3 g5 34.Ne4 1–0. Fournier,Frederic (1765) – ardito (1715), Active, 2011.

7.Bc4 Nbd7

8.0-0 b6 9.Nbd2 Bb7 10.Be2 Rc8 11.a3 c5 12.dc5 bc5 13.bc5 Nc5 14.Bd4 Nce4 15.Ne4 Ne4 16.Bg7 Kg7 17.Qd8 Rfd8 18.Nd4 f5?? (18...e5 19.Rfb1 Bd5-/+) 19.Ne6+– Kf6 20.Nd8 Rd8 21.Rfd1 Rc8 22.Bf3 Rc2 23.Be4 Be4 24.Rdc1 Rb2 25.a4 a6 26.a5 Bd3 27.Rc3 Bb5 28.f3 e5 29.Rca3 h5 30.R1a2 Rb1 31.Kf2 g5 32.g3 g4 33.f4 (33.fg4 hg4 34.Rc3+=) 33...ef4?? (better is 33...Rh1+=) 34.ef4+/– (34.gf4?! h4 35.Ra1 Rb2 36.Kg1 Re2+=) 34...Rf1 35.Ke3 Re1 36.Kd4 Re4 37.Kc5 Ke6 38.Rd2 Rc4 39.Kb6 Rc6 40.Kb7 Rc4 41.Re3 Kf7? (better is 41...Re4 42.Rc3 h4+–) 42.Re5 Kf6 43.Rd6 Kf7 44.Rf5 Ke7 45.Ra6 Ba6 46.Ka6 Rc2 (46...h4 47.gh4 Rb4 48.Rg5 Rf4 49.Kb6 Rb4 50.Kc5+–) 47.Rh5 Rd2 48.Kb6 Rd6 49.Kb5 Rd5 (49...Rd2+–) 50.Rd5 1–0. Fournier,Frederic (1940) – GRepossi (1720), Active, 2005.

8.0-0 Nb6 9.Bb3 Bg4 10.h3 Bf5 11.Nc3 c6 12.Qe2 Ne4 13.Rac1 Rc8 14.Ne4 Be4 15.Nd2 Bd5 16.e4 Bb3 17.Nb3 (worse is 17.ab3 Bd4 18.Nc4 Bb2 19.Qb2 Qd3+=) 17...e6 18.Rfd1 Re8 19.Nc5 Qe7 20.a4 Rb8 21.Qc2 f5 22.Re1 Qf7 23.f3 Nd7 24.b5 cb5 25.ab5 Rbc8 26.Qb3 Nc5 27.dc5 Rc7 28.Bg7 Kg7 29.Qa4 b6 30.cb6 ab6 31.Qd4 Kg8 32.Qb6 Rec8 33.Rc7 Rc7 34.ef5 ef5 35.Qd6 Qd7 36.Qd7 Rd7 37.Rb1 Kf7 38.Kf2 f4 39.Rb4 g5 40.b6 Rb7 41.Ke2 Ke6 42.Rb5 h6 43.Kd3 Kd6 44.Ke4 Ke6 45.Rb2 Kd6 46.Kf5 Kd5 47.Kg6 Ke6 48.Rb5 (48.Kh6?! Kf6 49.h4 gh4+–) 48...Ke7 49.Kh6 Kf6 50.Rg5 Rb8 51.Rg6 (better is 51.Kh5!? Ke6+–) 51...Kf5 52.Rc6 Rb7 53.Kh5 (better is 53.Rc5 Kf6 54.Rb5 Rb8+–) 53...Rh7 54.Rh6 Rg7 55.h4 (better is 55.Kh4 Rg2 56.Rh5 Ke6+–) 55...Rb7 56.Rh8 Rb6 57.Rf8 Ke5 58.Kg5 Rb7 (58...Rb2 59.Rf4 Rg2 60.Rg4 Rb2+–) 59.Rf5 Ke6 60.Kf4 Rb4 61.Kg5 Rb8 62.g4 Rg8 63.Kf4 Ra8 64.h5 1–0. Dobrzhanskaia,Irina – Doroshenko,V, Kiev Spring op, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.c4 dc4 7.Bc4 Nbd7)

8.0-0 Nb6 9.Bd3 Bg4=.

8.Nbd2 Nb6 9.Bb3 Bf5 10.0-0 Ne4 (10...Nbd5 11.a3=) 11.a4 c6 12.a5 Nd5 13.Ne4 Be4 14.Ng5 Nf6 (14...Bf5!?+=) 15.Ne4+/– Ne4 16.f3 (16.a6 Rb8+/–) 16...Nd6 17.Rf2 e6 18.Qe1 Qe7 19.a6 ba6 20.Ra6 Qb7 21.Ra5 (21.Ra4 Rfb8+=) 21...Rfb8 22.Ba2 (22.Bc3!?+=) 22...Qb4= 23.Qb4 (23.Bc3 Qb7+=) 23...Rb4-/+ 24.Rc2 Rb6 (24...Nb7 25.Bc3 Rb5 26.Ra6-/+) 25.Ba3 Nb7 26.Ra4 Bf8 27.e4 Ba3 28.Ra3 Kf8 29.Rac3 Rc8 30.d5 (30.Kf2 c5+=) 30...c5 (30...ed5 31.Bd5 Nd8 32.Rc5-/+) 31.e5+= Ke7 32.d6 Kd7 33.Bc4 (33.Bb3 Rb4+=) 33...a5 (33...f6 34.f4-/+) 34.f4 (34.Rb3 Rb4+=) 34...Ra8 (34...h6 35.Kf2+=) 35.Ra2 (35.Be2 a4 36.Bf3 Ra5+=) 35...a4 (better is 35...Rb4!?+=) 36.Rca3+= Rb4 37.Ra4 Raa4 (37...Raa4 38.Ra4 Combination; 37...Rba4 38.Bb5 Double attack (38.Bb5 Decoy)) 38.Ra4 Na5 (38...Nd6!? 39.Rb4 cb4 40.ed6 Kd6=) 39.Ra5+/– Rc4 40.Ra7 Kc6 (better is 40...Ke8!? 41.g3 Rc1 42.Kg2 Rc2 43.Kh3 Rd2+–) 41.Rf7+– Rd4 42.Kf2 (42.Rh7 Rf4 43.Rc7 Kb5+–) 42...c4 (42...h5 43.Ke3+–) 43.Rc7 Kb5 44.Ke3 Rd5 (44...Rd3 45.Ke4+–) 45.g4 (better is 45.Rh7!? c3 46.Rc7 Kb4+–) 45...Kb4? (better is 45...h5 46.h3 Rd3 47.Ke4 Rh3 48.gh5 gh5+–) 46.Ke4 (46.Ke4 Rd1 47.Rb7 Ka3 48.Rh7+/–; 46.Rh7 c3 47.h4 c2+–) 1–0. Caballero Quijano,Mitzy Mishell (1905) – Dongo,Melanie (1740), Gran Prix Final Damas, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 dc4 7.Bc4 Nbd7)

8.Nbd2 Nb6 9.Bd3 Nfd5 10.a3 e5 (10...Bf5 11.Bf5 gf5 12.0-0=) 11.0-0 ed4 12.Bd4 Bd4 13.Nd4 Nd7 14.Qb3 Ne5 15.Be4 Nf6 16.Rac1 c6 17.Bb1 (17.b5 Qe7 18.bc6 Ne4 19.Ne4 Nc6 20.Nc6 Qe4+=) 17...Re8 18.h3 Be6 19.Qb2 Ned7 20.Ne6 Re6 21.Ba2 Re8 22.Nc4 Qe7 23.Rfd1 Nd5 (better is 23...Red8!?+=) 24.e4+/– Nf4 25.Nd6 Ne5 26.Ne8 Re8 27.Rc3 h5 (27...Qg5 28.Rg3 Qf6 29.Qc2+/–) 28.Qd2+– Qf6 29.Bc4 h4 30.Bf1 Kh7 31.Qe3 b6 (31...a6 32.g3 hg3 33.fg3+–) 32.Rc2 Ne6 (32...Qg5 33.a4+–) 33.Rd6 Qe7 34.Rcd2 g5 35.a4 (35.Rd1 Nf4+–) 35...c5 (35...Nf4 36.b5 c5+–) 36.bc5 bc5 37.R6d5 Qf6 (37...Nd4 38.Qc3 Nd7 39.Bb5+–) 38.Rc2 (38.Qc3 Nf4 39.Rc5 g4 40.hg4 Re7+–) 38...Rb8 (38...Rd8 39.Rc1+–) 39.Qc3 Nd4 40.Qc5 Ndf3 (40...Nc2 41.Re5 Rb1 42.Rg5 Nd4+–) 41.gf3 Nf3 42.Kh1 Qf4 (42...Rb1 43.Rf5 Rf1 44.Kg2 Rg1 45.Kf3+–) 43.Qc7 Qe4 (43...Rb1 44.Qf4 gf4+–) 44.Qf7 Kh8 45.Qf6 Kg8 46.Rd8 Rd8 47.Qd8 Kg7 48.Rc7 Kg6 (48...Kh6 49.Qh8 Kg6 50.Rg7 Kf6 51.Rd7 Ke6 52.Qe8 Kf5 53.Qf8 Kg6 54.Rg7 Kh5 55.Qh8 Qh7 56.Qh7) 49.Bd3 (49.Bd3 Nd2 50.f3 g4 51.Qd6 Kg5 52.Be4 Ne4 53.Rg7 Kf5 54.fg4) 1–0. Guramishvili,Sopiko (2315) – Daulyte,Deimante (2280), Benidorm, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 dc4 7.Bc4 Nbd7)

8.Nbd2 Nb6 9.Be2 c6 (9...Nbd5 10.a3=) 10.a4 (10.e4 a5 11.b5 cb5 12.Bb5 Bg4=) 10...Nbd5 (10...Bf5 11.0-0=) 11.b5 cb5 12.ab5 Nc7 (12...Bf5 13.0-0=) 13.0-0+= Bd7 (13...Bf5 14.Qb3+=) 14.Qb3 Be6 15.Bc4 (15.Qc2 Ncd5+=) 15...Bc4 16.Nc4 (16.Qc4 Qd7+=) 16...Nd7 (16...Qd5 17.Ba3 Qb5 18.Qb5 Nb5 19.Be7=) 17.Nce5 Ne5 18.Ne5 Be5 19.de5 Ne6 20.Kh1 Nc5 21.Qc3 Ne4 22.Qb3?? e6?? 23.Rfd1?? Qe7?? 24.f3 Nc5?? 25.Qb4 Qc7 26.Ba3 b6 27.Rd6 Rfd8 28.Rad1+/– a5 29.ba6 Na6 30.Rd8 Rd8+= 31.Rd8 Qd8 32.Qb1 Nc5= 33.Bc5 bc5-/+ 34.h3 c4 35.Qe4?? Qd1–+ 36.Kh2 Qd3 37.Qa8-/+ Kg7 38.Qd8?? Qd8–+ 39.h4 c3 40.h5 c2 41.h6 Kh6 42.f4 Kg7 43.f5 c1Q 44.f6 Kh6 45.g4 Qdd2 46.Kh3 Qh1 47.Kg3 Qdg2 48.Kf4 Qe4 49.Kg3 Qhg2 50.Kh4 Qeg4 (50...Qgg4) 0–1. uno (1780) – OrionsKnight (1805), ICC, 2003.

7.Bc4 Bg4

8.0-0 Qd6 9.a3 Nbd7=.

8.Nbd2 Nc6 9.a3 Nd5 (9...Qd6 10.Qc2=) 10.h3 Bc8 (10...Be6 11.Rc1+=) 11.Rc1 (11.b5 Nb8+=) 11...a6 (11...e6 12.Qc2+=) 12.Qb3 (12.0-0 Nb6+=) 12...e6 (12...Nb6 13.Be2+=) 13.Ne4 Nce7 14.0-0 c6 (14...h6 15.Qc2+=) 15.Nc3 (15.Rfd1 b6+=) 15...Re8 (15...b5 16.Bd3+=) 16.Rfd1 Bh6 (16...b5 17.Be2+=) 17.Ne4 (17.Rc2 Nc3 18.Bc3 Bg7+/–) 17...Bg7 (17...Nf5 18.Ned2 Nd6 19.Bd3+=) 18.Nc5 (18.Bd3 Nf5+=) 18...Bh6 (18...b6 19.Ne4 Bb7+=) 19.Ne4 (19.Ne5 b6 20.Ne4 Bg7+/–) 19...Nf5 (19...Bg7!?=) 20.Re1 (20.Ned2 Nd6+=) 20...Nd6 21.Nd6 Qd6 22.Bf1 (22.Rc2 Rd8+=) 22...Qe7 (22...Rd8 23.Bd3+=) 23.Qc2 (23.Rc2 Rd8+/–) 23...Bd7 (23...Rd8 24.Ne5+=) 24.Qc5 (24.Rb1 Qf6+=) 24...Qc5 (24...a5 25.ba5 Qc5 26.Rc5+=) 25.dc5 (25.bc5 Rab8+/–) ½–½. Dewindt,Cor – Sauve,S, Alberta op, 1997.

8.Nbd2 Nd5 9.Qb3 Nb6 10.Bd3+=.

8.Nbd2 Nd5 9.h3 Bf3 10.Qf3 Nb4 11.Rb1=.

8.h3 Bf3 9.Qf3 Nc6 10.b5 Na5 11.Be2 c6 12.bc6 Nc6 13.0-0 Rb8 14.Nc3 e5 15.Nb5 ed4 16.Rfd1 (worse is 16.ed4 a6 17.Na3 Nd4 18.Bd4 Qd4-/+; 16.Nd4?! Qe7+=) 16...Qb6 17.Bd4 Nd4 18.Nd4 (worse is 18.Rd4 Ne8 19.Rad1 Bd4 20.Nd4 Nd6-/+) 18...Rbd8 19.Rab1 Qa5 20.Qb7 Qa2 21.Ra1 Qd5 22.Nf3?? (better is 22.Nc6 Rd7 23.Qd7 Qd7 24.Rd7 Nd7 25.Ra7+–) 22...Qb7–+ 0–1. pcmvr (2845) – hotchess (2235), net–chess.com, 2011.

6.d4 Nc6

7.a3 a5 8.b5 Nb8 9.c5 c6 10.a4 Bd7 11.Nc3 Re8 12.Be2 Ne4 13.0-0 f5 14.Qc2 Rf8 15.Ne4 fe4 16.Ne5 e6 17.Nd7 Nd7 18.Rab1 Qh4 19.g3 Qg5 20.Rfd1 Qf5 21.Bf1 Nf6 22.Bc3 Ng4 23.Rb2 Bh6 24.Kg2 Be3 25.h3 Qf3 26.Kg1 Bf2 27.Qf2 Nf2 28.Bg2 Qc3 29.Rdd2 e3 30.Rdc2 Qe1 31.Kh2 Nd3 32.Ra2 Rf2 33.bc6 bc6 34.g4 Raf8 35.Kg3 Rc2 36.Kh2 Rff2 37.Rc2 Rc2 38.h4 Qf2 39.g5 Qg2 0–1. raifllashtica (1655) – mrfik132 (1980), kurnik, 2012. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.b4 d5 5.Bb2 0-0 6.Nf3)

7.Qb3 a5 8.b5+= Nb4 9.c5 (9.a3 dc4 10.Bc4 Nbd5+=) 9...Bf5= 10.Na3 b6 11.c6 Ne4 12.Nc2?? (better is 12.Be2=) 12...Nc5–+ (12...Nc5 13.dc5 Nc2 (13...Bc2?! 14.Qa3=+) 14.Kd2 Na1 15.Ba1 Ba1 16.cb6 cb6–+) 0–1. Tang Chi Yan – Trokenheim, email CTON, 1996.

7.Qb3 Bf5 8.a3=.

7.b5 Na5 8.cd5 Nd5 9.e4 Nf6 10.Bc3 b6 11.Qc2 Bb7 12.Nbd2 c6 13.Ba5 ba5 14.bc6 Bc6?? 15.Qc6+– Nh5 16.e5 Nf4 17.Qe4 Ne6 18.Bc4 Nc7 19.h4 e6 20.h5 Nd5 21.hg6 hg6 22.Qg4 Nb4 23.Qh3 Re8 24.Rd1 Nc2 25.Kf1 Nd4 26.Ne4 (26...Nf3 27.Rd8 Red8 28.gf3+–) 1–0. Trkn – guest832, ICC, 2004.

6.d4 d5

7.c5 e6 8.b5 (8.Bd3 Nfd7+=) 8...a6 9.Nc3 c6 10.b6 Nbd7 11.Bd3 Re8 12.0-0 e5 13.de5 Ne5 (13...Ng4!? 14.Na4 Nge5 15.Ne5 Ne5=) 14.Ne5+= Re5 15.Ne2 Re7 16.Ng3 Qe8 17.Qf3 Ne4 18.Bg7 Kg7 19.Be4 de4 20.Qd1 f5 21.Qd4 Kg8 22.Rad1 Rd7 23.Qc4 Qf7 24.Qf7 Kf7 25.Rd7 Bd7 26.Ne2 Be6 27.Rd1 Ke7 28.a3 a5 29.h4 a4 30.Nf4 (30.Nd4 Rd8=) 30...Bb3 31.Rd6 (better is 31.Rf1!?=) 31...Ra5-/+ 32.Ng6? (better is 32.h5 g5 33.Ne2 Rc5 34.Rh6-/+) 32...hg6–+ 33.Rg6 Ra8 (33...Rc5!? 34.g4 Bf7 35.Rg5–+) 34.Rg7 (34.g4!? Rh8 35.gf5 Rh4 36.f6 Ke6 37.Rg7–+) 34...Bf7–+ 35.h5 (35.Rh7 Ra5 36.Rh8 Rc5–+) 35...Kf6 (35...Rh8 36.Rg3–+) 36.h6 (better is 36.Rh7–+) 36...Rh8 37.f4 Rh6 38.Rg5 Rg6 39.Rg6 (39.Kh2–+) 39...Bg6 40.Kf2 Ke6 41.g4 (41.Kg3 Bh5–+) 41...fg4 42.Kg3 Kd5 (better is 42...Bf5 43.Kf2–+) 43.Kg4 Kc5 44.Kg5 Kb6 (better is 44...Be8–+) 45.Kg6= c5 46.f5 c4 47.f6 c3 48.f7 c2 49.f8Q c1Q 50.Qd8 (better is 50.Qb4!? Kc7 51.Qe7 Kc8 52.Qe8 Kc7 53.Qe7 Kb8 54.Qe8 Kc7 55.Qe7=) Kb5 ½–½. Suermann,Uwe (1825) – Feiertag,Manfred (1770), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 d6 4.d4 Bg7 5.Bb2 0-0 6.e3 d5)

7.c5 Bf5 8.Be2=.

7.Nbd2 Bg4 8.Be2 Ne4 (8...Qd6 9.Bc3=) 9.0-0 Nc6 (9...Nd2 10.Nd2 Be2 11.Qe2+=) 10.b5+/– Nb8 11.Ne4 de4 12.Nd2 Be2 13.Qe2 f5 14.Nb3 b6 15.a4 e6 (15...a6 16.f3+/–) 16.c5 (16.f3 ef3 17.Qf3 Nd7+/–) 16...c6 17.Rac1 a6 (17...Qd5 18.Rc4+=) 18.cb6 Qb6 19.Ba3 Re8 (19...Rf7 20.Bc5 Qd8 21.b6+/–) 20.Bc5+– Qc7 (20...Qd8 21.b6 a5+–) 21.b6 Qd8?? (21...Qf7 22.Na5 Nd7 23.b7+–) 22.a5 (better is 22.b7 Nd7 23.ba8R Qa8 24.Qc4+–) 22...Nd7 23.g3 (23.Qc4 Nc5 24.Nc5 Qd5+–) 23...h5 (23...e5 24.b7 Rb8 25.Qa6 Nc5 26.Rc5 ed4 27.ed4+–) 24.Bb4 Qc8 (24...Nb8 25.Rfd1+–) 25.Qc4 Nb8 (25...Nb8 26.Nc5 Re7 27.Ne4 fe4 28.Be7 Qd7+–). agluis (2010) – bentengutama (1965), net–chess.com, 2003.

6.d4 Nbd7

7.a4 Ne4 8.Qb3 a5 9.b5 c5 10.cd5 cd4 11.Bd4 Ndc5 12.Qc4 e6 13.Bg7 (worse is 13.Bc5 ed5 14.Qc2 Nc5+=) 13...Kg7 14.Nc3 Qf6 15.Rc1 Nc3 16.Qc5 (worse is 16.Rc3 Na4 17.Ra3 Nb6+=) 16...Na4 17.Qa3 Nb6 18.d6 Rd8 19.Be2 e5 20.Rd1 Bf5 21.Qc5 Nd7 22.Qa3 b6 23.0-0 (23.Nd2!?=) 23...Nc5+= 24.Qa1 Bg4 25.Rd5 Now all is on e5 25...Bf3 26.Bf3 e4 27.Qf6 Kf6 28.Bg4 h5 29.Bh3 a4 30.f3 a3 31.fe4 Kg7 32.Ra1 a2 33.Rc5 bc5 34.e5 c4 35.Kf2 c3 36.Ke2 f6 37.ef6 Kf6 38.d7 Rdb8 (38...g5!? 39.g3–+) 39.Kd3 Ke7 40.Kc3 Rb5 41.d8Q Kd8 42.Be6 Ra3 43.Kd4 (43.Kc2 Rg5 44.g3 h4 45.Ra2 Re3–+) 43...Rb4 44.Kc5 Rb2 45.Bd5 Ke7 46.Kd4 (46.e4 g5–+) 46...Kd6 47.e4 Rb4 48.Bc4 Raa4 (48...Raa4 49.e5 Ke7–+) 0–1. Oltean,Gusztav (2130) – Onley,David (1950), NATO–ch, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 Nbd7)

7.Nc3 Nb6 A) 8.cd5 Nfd5 (8...Nbd5 9.Bc4 Qd6 10.0-0 Be6 11.Qb3 c6 12.Ng5) 9.Nd5 Nd5 10.b5 Bf5 11.Rc1 c6 12.Qd2; B) 8.Nd5 Nfd5 (8...Nbd5 9.cd5 Qd6 10.b5 Bf5 11.Rc1 Nd5 12.Bc4) 9.cd5 Nd5 10.b5 Bf5 11.Bc4 c6 12.bc6; C) 8.c5 Nc4 9.Bc4 dc4 10.Qe2 Be6 11.0-0 c6 12.Ne5.

7.Nc3 dc4 8.Bc4 (8.a4 Nb6 (8...a5 9.ba5 Ra5 10.Bc4 Nb6 11.Bd3 Be6 12.0-0) 9.a5 Nbd5 10.Bc4 Qd6 11.Qb3 Nc3 12.Bc3) 8...Nb6 (8...a5 9.b5 Nb6 10.Bd3 Be6 11.Ng5 Bc4 12.0-0) 9.Bb3 (9.Bd3 Nbd5 10.Nd5 Nd5 11.b5 Nb4 12.Bc4) 9...Nbd5 (9...Nfd5 10.Nd5 Nd5 11.Qd2 Qd6 12.a3) 10.a3 (10.0-0 Qd6 11.Nd5 Nd5 12.a3) 10...Be6 (10...Nc3 11.Bc3 Bf5 12.0-0) 11.0-0 (11.Nd5 Bd5 12.Bd5) 11...Nc3 (11...a5 12.Ng5) 12.Bc3 Bb3 13.Qb3 Qd5 14.Qc2 Ne4 15.Bb2 c6 16.Rfd1 f5 17.Ne5 f4 18.f3 Nd6 19.e4 Qe6 20.Rac1 Be5 (20...a5!?+=) 21.de5+/– Nf7 22.Qc3 (22.Qd2 Qb3+/– (22...Ne5?? 23.Qd4+–)) 22...Rfd8 23.a4 Rd1 24.Rd1 Rd8 (24...b6!?+=) 25.Rd8+/– Nd8 26.Qd2 Nf7 (26...Qc8 27.Qf4 Qd7 28.Bc3+/–) 27.Qf4+– g5 28.Qd2 Kf8 29.Qd4 a6 30.a5 Ke8 31.Kf2 Qd7 32.Ke3 (32.Qd7 Kd7 33.g3 e6+–) 32...Kd8 (better is 32...Qe6!?+/–) 33.g3+– Kc8 34.Qd7 Kd7 35.f4 gf4 36.gf4 Nh6 37.h3 e6 38.Kd4 Kc8 (38...Ng8 39.f5+–) 39.Bc1 Nf7 40.f5 Kd7 41.Bf4 Nd8 (41...Kc8 42.Kc5 (42.fe6?! Nd8+–) 42...Kc7 43.h4+– (43.fe6?! Nd8 44.e7 Ne6 45.Kc4 Kd7 46.e8Q Ke8+/–)) 42.Kc5 Kc7 (42...h5+–) 43.Bg5 Nf7 44.Bf6 ef5 45.e6 Nh6 46.Bg5 Ng8 (46...Ng4 47.ef5 Nf2+–) 47.ef5 1–0. Gurel,Ahmet Unal – Simsek,Hakki Kaan, Antalya TUR, Men Ch, 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 Nbd7)

7.Nbd2 a5 (7...dc4 8.Nc4 Nd5 9.Qd2=) 8.b5 a4 9.a3 c6 10.Be2 (10.bc6 bc6 11.Rb1 Ba6+=) 10...cb5= 11.cb5 Qb6 (11...Nb6 12.Rc1=) 12.0-0 (12.Rc1 Ne8+=) 12...Ne4 (12...Nb8 13.Bc3+=) 13.Ne4 de4 14.Nd2 Nf6 15.Rc1 Be6 16.Re1 (16.Rc3 Rfc8+=) 16...Bd5 17.Bc3 (17.Qc2 Qe6+=) 17...Rfd8 18.Bb4 e5 19.Be7 (19.de5 Bb3 20.Nb3 Rd1 21.Red1 ab3 22.ef6 Qf6+=) 19...Rd7 (19...Re8 20.Bc5 Qe6 21.Bc4=) 20.Bc5+= Qe6 21.Nc4 Bc4 22.Bc4 Qf5 23.Be2 (23.Qc2 ed4 24.ed4 Bf8+=) 23...h5 (23...Rdd8 24.b6+=) 24.Qc2 (24.b6 Rdd8+=) 24...Ng4 25.Bg4 hg4 26.Qc4 (26.Rcd1 Rd5+=) 26...ed4 27.ed4 Rd5 28.b6 (28.Rcd1 b6 29.Bb6 Rb5+=) 28...Bf6 (28...Rad8 29.Rcd1+=) 29.Rcd1 Kg7 30.Re3 (30.Qc2 Rh8+=) 30...Be5 (30...Qh5 A) 31.Re4 g3 32.Rd2 Qh2 (worse is 32...gh2 33.Kh1+=) 33.Kf1 Qh1 34.Ke2 Qg2–+; B) 31.Rde1+=) 31.g3 Rad8 The pressure on the isolated pawn grows 32.Qa4 Bf6 33.Qc2 (33.Re2 Qf3 34.Ree1 Bg5-/+) 33...Bd4= 34.Bd4 Rd4 35.Rd4 (35.Qc3 Qf6 36.Rde1 Qb6 37.Re4 Qf6=) 35...Rd4 36.Re1 Kh7 37.Qc3 (37.Qb2 Qd5=) 37...Qd5 38.Rc1 (38.Rf1 Qd8 39.Rb1 Qd7=) 38...Rd3 39.Qc4 (39.Qc5 Qe6=) ½–½. Rohde,Friedhelm – Mosley,Gene, 2005.

7.Nbd2 b6 8.a3 c5 9.Be2 dc4 10.Nc4 cd4 11.ed4 Ne4 12.0-0 Bb7 13.h3 Nd6 14.Nd6 ed6 15.Bb5 a6 16.Ba4 b5 17.Bb3 d5 18.Re1 Re8 19.Ne5 Ne5 20.de5 Qg5 21.Bd4 Be5+= 22.Be5 Re5 23.Re5 Qe5 24.Qf3?? Rb8 25.Rd1-/+ Rd8 26.Qd3 Qg5 27.Qd4 Qf5 28.Qb6 Rd7 29.Qc5 Qg5 30.Qd4 h5 31.Re1 Bc6?? 32.Re8 Kh7 33.Qh8# (33.Rh8#) 1–0. quari15 – ane92, kurnik, 2012.

7.Nbd2 dc4 8.Bc4 Nb6 9.Bb3 Qd6 10.a3 a5 11.ba5 Ra5 12.0-0 Bf5 13.Ne5 Raa8 14.a4 c6 15.a5 Nbd5 16.Re1 Nc7 17.Bf7 Rf7 18.e4 Bg4 19.Qb3 (19.Ng4? Ng4 20.Qg4 Qb4–+) 19...Be6 20.Nf7 Bf7 21.Qb7 Nfe8 22.Nf3 Bc4 23.Ba3 Qe6 24.Qb4 Nd6 25.Rac1 Na6 26.Qb6 Bb5 (26...Ne4? 27.Nd2! Rb8 28.Re4+–) 27.d5! Qc8 (27...cd5 28.Bd6 Decoy) 28.Nd4 1–0. Mira – Algemeine_Eintracht, playchess.de, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 Nbd7)

7.Nbd2 dc4 8.Bc4 Nb6 9.Bd3 Nfd5 (9...Qd6 10.a3+=) 10.a3= Bd7 11.0-0 a5 12.b5 Qe8 13.a4 (13.Qe2 Na4 14.Ne4 Bg4=) 13...Nb4 (13...c6 14.bc6 Bc6 15.Bc2=) 14.Nc4= Nd3 15.Qd3 Nc4 (15...Bf5 16.Qe2 Nc4 17.Qc4=) 16.Qc4= c6 17.bc6 Bc6 18.Rfc1 Qd7 19.Ne5 Be5 20.de5 Rfd8 21.Qh4 Rac8 22.Bc3 Qe6 23.f3 (23.Ba5? Qd5 24.f3 Qa5 25.Qe7 Rd7–+) 23...Rd3 24.Bd4 Rb3 25.Qe1 Rb4 Exerts pressure on the isolated pawn 26.Rcb1 g5 (26...Qc4 27.Rc1 Qe6 28.Rcb1=) 27.h3 (27.Rb4 ab4 28.Qb4 g4=) 27...h5 Black prepares g4 (27...Rc4 28.Rc1= (worse is 28.Qa5 Bf3 29.Rb6 Bc6-/+)) 28.Qg3 (28.Rb4 ab4 29.Qb4 g4 30.hg4 hg4=) 28...Kh7 (28...g4 29.Rb4 ab4 30.Rb1=) 29.Qe1 (29.Rb4 ab4 30.Qg5 Bf3=) 29...Kg7 (29...g4 30.hg4 hg4 31.Qh4 Kg7 32.Qg5 Qg6 33.Qg4 Qg4 34.fg4=) 30.Rb4+= ab4 31.Qb4 g4 32.hg4 hg4 33.Qe1 (33.e4 Rh8 34.Qd2 gf3 35.gf3 Kf8=) 33...gf3 34.Qg3 Qg6 35.Qg6 Kg6 36.gf3 Bf3 37.Kf2 Bd5 38.a5 Rc2 39.Kg3 Rg2 40.Kf4 Rf2 41.Kg3 Rg2 42.Kf4 Rf2 ½–½. Puoli,Hernan (2350) – Casas,Esteban (2325), LADAC Camp. Argentino Semifinales Grupo, 2008. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 d5 5.b4 0-0 6.Bb2 Nbd7)

7.Nbd2 dc4 8.Nc4 Nd5 9.Qd2=.

7.Nbd2 Re8 8.Be2 c6 9.0-0 dc4 10.Nc4 Nb6 11.Nce5 Bf5 12.Ng5 (12.b5 cb5 13.Bb5 Rf8+=) 12...h6 (12...Rf8 13.a4=) 13.Ngf7+= Qc8 (13...Qc7 14.Qb3 Nbd5 15.Bf3+=) 14.Bd3 Rf8 15.Qc2 (15.e4 Be6 16.Nh6 Bh6 17.Ng6 Rf7+=) 15...Rf7 (better is 15...Bd3!? 16.Qd3 Rf7 17.Nf7 Kf7+=) 16.Nf7+= Kf7 (16...Bd3 17.Nh6 (worse is 17.Qd3 Kf7 18.Rfe1 Qe6+=) 17...Bh6 18.Qd3+=) 17.e4 Be6 18.e5 (18.a4 Qd7+=) 18...Nfd5+= 19.Bg6 Kg8 20.a3 Nf4 (20...Qd7 21.Rae1+=) 21.Be4 (21.Bh7 Kh8 22.Rfe1 Bd5+=) 21...Bd5 22.Bd5 (22.f3 Qd7=) 22...Nbd5= 23.Bc1 (23.Rfe1 Qg4 24.f3 Qh5=) 23...Ng2 24.f4 (24.Kg2 Qg4 25.Kh1 Qf3 26.Kg1 Qg4 27.Kh1 Qf3 28.Kg1 Qg4 29.Kh1=) 24...Nge3+= 25.Be3 Qg4 Attacking the backward pawn on f4 (25...Ne3 26.Qb3 Nd5 27.f5+=) 26.Kh1 Ne3 27.Qb3 Nd5 28.Qg3 h5 (28...Qg3 29.hg3 a5 30.ba5 Ra5 31.Rf3+=) 29.Rf3 (29.Qg4 hg4 30.Rg1 Bh6 31.Rg4 Kh7+=) 29...Rf8 Increases the pressure on the backward pawn (29...Qg3 30.hg3 Rf8 31.f5+=) 30.Raf1 (better is 30.Rg1!? Kh7 31.Qg4 hg4 32.Rg4=) 30...Qf5 31.Rg1 Threatening mate... how? 31...Rf7 32.Qh4 (32.Qe1!? Nf4 33.Rgf1-/+) 32...Qe4 33.Qh5 Nf4 Do you see the mate threat? (33...Qd4?? 34.Rg7 Rg7 35.Qe8 Kh7 36.Rh3) 34.Qg4 Qd5 (34...Qd4?! 35.Rf4 Qf4 36.e6 Qf3 37.Rg2 Qf1 38.Rg1 Qf3 39.Rg2 Qf1 40.Rg1 Qf3=) 35.Rgf1 (35.Qc8 Rf8 36.Qg4 Ne6–+) 35...Ne2 (better is 35...Ne6 36.Qg2 Rf3 37.Rf3 Nd4–+) 36.Qh5?? (better is 36.e6 Rf6 37.Qg2 Nd4 38.Rf6 Qg2 39.Kg2 Bf6 40.Re1–+) 36...Rf8 (36...Rf4! 37.R1f2 Nd4 38.Qe8 Rf8 39.Qf8 Bf8 40.Rg2 Bg7 41.Rfg3–+) 37.R1f2 (37.Qg4 Nd4 38.Kg2–+) 37...Nd4 (37...Nd4 38.Kg2 Qe4–+) 0–1. Scholz – Bjornsson, corr, 1980. (=1.b4 d5 2.Bb2 Nf6 3.e3 g6 4.c4 Bg7 5.Nf3 0-0 6.d4 Nbd7)

7.Be2 a5 8.b5 dc4 9.Bc4 Nb6 10.Bd3 Be6 11.a4 Bc4 12.Qc2 Bd3 13.Qd3 Nbd5 14.0-0 Nb4 15.Qd2 Ne4 16.Qd1 c5 17.Nbd2 Nd2 18.Qd2 cd4 19.Bd4 Bd4 (19...e5!? 20.Bc5 Qd2 21.Nd2 Rfc8 22.Bb4 ab4+=) 20.ed4+= Rc8 21.Rfc1 Qd5 22.Rc8 Rc8 23.Rc1 Rc4 24.Rc4 Qc4 25.h4 Qc2 26.Qc2 Nc2 27.Kf1 Nb4 28.Ke2 Nd5 29.Kd3 Nb6 30.Ne5 Nd5 31.Kc4 Nb6 32.Kb3 Nc8 33.Nd7 b6 (33...Nd6!?+=) 34.Kc4+/– e6 35.d5 e5 (35...h6 36.Kd4+–) 36.Ne5 Kf8 37.Nd7 (better is 37.Kd4+–) 37...Ke7+/– 38.Ne5 f6?? (38...Kf8 39.Kd4 h5+–) 39.Nc6+– Kd7 40.Kd4 Nd6 41.g4 Nf7 42.f4 h6? (42...Nh6 43.g5 Nf5 44.Ke4 fg5 45.Ne5 Kd6 46.Nf7 Ke7 47.Ng5 h5+/–) 43.f5 (better is 43.g5 fg5 44.hg5+–) 43...g5 (better is 43...gf5!? 44.gf5 Nd6+=) 44.h5+/– Kd6 45.Ke4 Kc5 46.Ne7 Kb4 47.Nc8 (47.Ng8 Ka4 48.Nh6 Nh6 49.d6 Kb5 50.Kd5-/+) 47...Ka4= 48.d6 (48.Nb6 Kb5 49.Nd7 Kc4=) 48...Kb5 (48...Kb3 49.Nb6 a4 50.Na4 Ka4+–) 49.Kd5+= a4 (better is 49...Nd6 50.Nd6 Kb4+=) 50.Ke6?? (50.d7 Nd8 51.Kd6+–) 50...Nd8 (50...Nd6 51.Nd6 Kb4 52.Nf7–+) 51.Ke7 (51.Kd7 Nb7 52.Ke7 Nc5 53.Na7 Kc4–+) 51...Nc6 52.Kf6 a3 53.Kg6 (53.d7 Kc5 54.Na7–+) 53...a2 54.f6 (54.Kh6 a1Q 55.Kh7 Qd4–+) 54...a1Q 55.f7 (55.Ne7 Ne5 56.Kh6 Nd7–+) 55...Qh8 56.Ne7 Ne5 57.Kf5 Nf7 58.d7 Qe5 0–1. Da Costa,Manuel – Camus,Eric (1750), Champs sur Marne op 6th, 2006. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Nbd7)

6.d4 Ne4

7.Qb3 c6 8.Nbd2 Nd2 9.Nd2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 dc4 13.Bc4 Nd7 14.0-0 Nb6 15.Bc3 Nc4 16.Qc4 Be6 17.Qc5 Bd5 18.Qa7 Qd7 19.e4 Be6 20.Nf3 Bh3 21.Ne1 Be6 22.Nf3 (22.Nd3 Rd8=) 22...Bc4 23.Re1 f6 24.Nd2 Bf7 25.Qc5 Rd8 26.Nc4 Bf8 27.Nb6 White plans d5 27...Qg4 28.h3 Qf4 29.d5 cd5 30.Nd5 (worse is 30.ed5 e6 31.Qe3 Qe3 32.fe3 ed5 33.Bf6 Re8+=) 30...Bd5 31.ed5 Qf5 32.Rd1 Rd6 33.b5 e6 (33...Qc2 34.Rd2 Qb1 35.Kh2+=) 34.Bb4+= ed5 35.Qc7 (35.Qc7 Rd7 36.Qc8+/–) 1–0. Moffatt,Andre – Hamilton,Robert, Toronto, 1991. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Ne4)

7.Qb3 Bg4 8.Be2 e6 9.0-0 c6 10.h3 Bf3 11.Bf3 Nd7 12.Rd1 Qh4 13.Nd2 Qf2 14.Kh1 Nd2 0–1. marvis (1635) – chessgenius86 (1730), kurnik, 2012.

7.Nc3 c6 8.Bd3 Nc3 9.Bc3 dc4 10.Bc4 Bg4 11.h3 Bf5 12.Ng5 e5 13.Nf7 Rf7 14.de5 Qg5 15.Qb3 Qe7 16.0-0 b5 17.Bf7 Qf7 18.Qf7 Kf7 19.e4 Be6 20.f4 Na6 21.f5 Bc4 22.Rfd1 Re8 23.Rd7+– Kf8 24.f6 Bh6 25.Rh7 Bf4 26.Rd1 Nb8? 27.Rh8 Kf7 28.Rh7?? Kf8 29.Bd4 g5 (29...Ba2 30.Ra1 Be5 31.Be5 Re5 32.Ra2+–) 1–0. Kaellman,Ralf – Satonen,Arto, FIN–chT, 2000.

7.c5 a5 8.a3 =+.

7.c5 Bg4 8.Be2 (8.Bd3 a5 9.h3 Bf5=) 8...b6 (8...a5 9.Qb3=) 9.Nfd2 (9.Nc3 bc5 10.bc5 Nd7 11.Ne4 de4=) 9...Be2 10.Qe2 f6 (better is 10...Nd2!? 11.Qd2 bc5 12.dc5 e5=) 11.Ne4+/– de4 12.Qc4 Rf7 (12...Kh8 13.d5 bc5 14.bc5+=) 13.c6 (13.Nc3 f5+/–) 13...Qd6 (13...f5 14.b5+=) 14.d5 (14.b5 f5+=) 14...f5 (14...e6 15.de6 Re7 16.Nc3 (< 16.Qe4 f5 17.Qc2 Qb4 18.Nc3 Nc6=+) 16...Qe6 17.Qe6 Re6 18.Nd5 Rc6 19.Ne7 Kf7 20.Nc6 Nc6 21.a3+=) 15.Bg7+/– Kg7 16.b5 a6+= 17.Nc3 Qf6 18.0-0+/– Rf8 19.a4 ab5 20.ab5 Ra1 21.Ra1 Rd8 22.Rd1 g5 23.Ne2 e6 24.Qc3 ed5+= 25.Qf6 Kf6=+ 26.Nd4 h5 27.Kf1 f4 28.Ke2 Ke5 29.h3 Rg8 30.Ra1 Rf8 31.Ra7= Kd6 32.Rb7 f3 33.gf3+= ef3 34.Nf3 g4 35.hg4 hg4 36.Nd4 Nd7? 37.cd7+– Kd7 38.Nc6 Rf3? 39.Ne5 (39.Ne5 Kc8 40.Ra7+– (40.Nf3 gf3 41.Kf3 Kb7+=)) 1–0. hal1958 – adamant, playchess.de, 2002.

7.Nbd2 Nd2 8.Qd2 c6 (8...Be6 9.c5=) 9.Bd3 Nd7 10.0-0 Nf6 11.Rfe1 Bf5 12.Bf5 gf5 13.Qd3 e6 14.Ne5 Nd7 15.Nd7 Qd7 16.c5 a5 17.a3 Ra6 18.Bc3 ab4 19.ab4 Rfa8 20.Ra6 Ra6 21.Ra1 Ra1 22.Ba1 b5 23.Qa3 Bf6 24.h3 h5 (24...Qc7 25.Qa8 Bd8 26.Bb2+=) 25.Bc3 h4 26.f4 (26.Qa8 Bd8+=) 26...Kg7= 27.Be1 Kf8 (27...Qe7 28.Kh2+=) 28.Bf2 Kg7 29.Qa8 Be7 (29...Qc7 30.Be1=) 30.Kh2 Bf6 31.Qb8 Bd8 32.g3 hg3 33.Bg3 Kg6 (33...Bc7 34.Qa8=) 34.h4 (34.Qd6 Qe8=) 34...Kh5 (34...Kg7 35.Qe5 f6 36.Qb8=) 35.Kh3 (35.Qe5 f6 36.Qd6 Qe8+=) 35...Qe8 36.Qe5 Qg8 37.Kh2 (better 37.Qb8=) 37...Qg4?? (better 37...Kg4 38.Kg2 Bh4 39.Bh4 Kh4 40.Kf2 Kh3-+) 38.Qh8+- Kg6 39.Qd8 (better 39.Qg8 Kh6 40.Qd8 Qe2 41.Kg1 Qe3 42.Bf2 Qc1 43.Kg2+-) 39...Qe2 40.Kh3 (better 40.Kg1 Qe3 41.Bf2 Qc1 42.Kg2 Qf4 43.Qg8 Kf6 44.Qh8 Ke7 45.Qe5 Qe4 46.Kg3 Qe5 47.de5+-) 40...Qg4?? (40...Qf1 41.Kh2 Qe2 42.Kg1 Qe3 43.Bf2 Qc1 44.Kg2 Qf4 45.Qg8 Kf6 46.Qh8 Ke7+/-) 41.Kg2+- Qe2 42.Bf2 Qg4 43.Kf1 (better 43.Kh2+-) 43...Qd1 44.Kg2 Qg4 45.Kh1 Qh3 46.Kg1 Qg4 47.Kh2 Qe2 (47...Kg7 48.Qd6 Qf3 49.Kg1 Qg4 50.Kf1 Qd1 51.Be1 Qf3 52.Kg1 Qg4 53.Kf2 Qh4 54.Ke2 Qg4 55.Kd3 Qd1 56.Bd2 Qf1 57.Kc2 Qc4 58.Kb2+-) 48.Qg5 (48.Qg8 Kh6 49.Kg3 Qh5 50.Qg5 Qg5 51.fg5 Kg7+-) 48...Kh7 49.Kg2 (49.Kg3 Qd1+-) 49...Qb2 (49...Qg4 50.Qg4 fg4 51.f5 ef5 52.Kh2+-) 50.h5 (50.Qe7!? Kg8 51.Qe8 Kg7 52.Qc6 Qe2+-) 50...Qb4 (50...Qe2+-) 51.h6 (51.h6 Qd4 52.ed4 e5 53.Qg7) 1-0. cipiripi (2255) - uoylliki (2270), Rated Blitz game, lichess.org, 2015.

7.Nbd2 Bg4 8.Qb3 Nd2 9.Nd2 c6 10.h3 Be6 11.c5 Nd7 12.Bd3 b5 (12...b6!? 13.Qc2 a5=) 13.a4+= a6 14.Qc2 Re8 15.0-0 f6 (15...Qc7 16.Ra3+/–) 16.Bc3 Bf7 17.ab5 (17.Ra3 e5+/–) 17...ab5 18.Ra8 Qa8 19.Ra1 Qb7 20.Qa2 e5 21.Nb3 f5 Black prepares e4 22.Qa6 Qa6 23.Ra6 e4 24.Be2 Nb8 25.Ra7 Be6 26.Na5 Bf6 27.Rb7 Rc8 28.f3 (28.Rb6 Bd7+/–) 28...Bg5 (28...ef3 29.gf3 f4 30.e4 de4 31.fe4 Bh3 32.e5+=) 29.Bd2 ef3 30.Bf3 (30.gf3 f4 31.ef4 Bf6+/–) 30...Bd7 (30...Nd7 31.Kf2=) 31.g4 (31.g3 Be6+=) 31...Kf8 32.Kf1 Bh4 (32...h6 33.Kg2+=) 33.Be1 Be1 34.Ke1 Ke7 (34...fg4 35.hg4 Ke7 36.g5+/–) 35.Ra7 (better is 35.gf5!? gf5 36.Rb6+/–) 35...Kf6+= 36.gf5 gf5 (36...Bf5!? 37.Kf2 Bh3 38.Rh7 Bf5+=) 37.Kf2+/– Kg5 (37...Rg8 38.Rb7+/–) 38.Kg3 Re8 (38...Be6 39.h4 Kf6 40.Bh5+– (worse is 40.Rh7 Na6+/–)) 39.Ra8 Rg8 40.Be2 (40.h4 Kg6+–) 40...Re8 (40...Be6 41.h4 Kf6 42.Kf4+–) 41.h4+– Kf6 42.Kf4 Re4 43.Kf3 Re8 44.Nb7 Rg8 45.Nd6 Be6 46.Kf4 Nd7 47.Rg8 (47.Ra7!? Nf8 48.Ne8 Kg6 49.h5 Kh6+–) 47...Bg8+/– 48.Bd3 Nb8 49.Nf5 Na6 (49...Be6 50.Nd6 h6 51.Nb5+–) 50.Nh6+– Kg7?? (better is 50...Be6 51.Bh7 Kg7+–) 51.Ng8 Kg8 52.Ke5 Nb4 (52...Kf8 53.Kd6+–) 53.Bb1 Kg7 (53...Na6 54.Kd6 Nb4 55.Kc7+–) 54.Kd6 Kh6 (54...Kf6 55.Kc7 Na6 56.Kb7 Nb4+–) 55.Kc7 Kh5 56.Kb6 Kh4 57.Ka5 Kg4 58.Kb4 Kf3 (58...h6 59.e4 de4 60.Be4 h5+–) 59.Bh7 Ke3 60.Bf5 1–0. Lintchevski,D (2555) – Mashkov,Sergey (2205), Vladimir Dvorkovich Mem, 2015. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Ne4)

7.cd5 Qd5 8.Qc2 Bf5=.

6.d4 e6

7.a3 a5 8.Nc3=.

7.a3 b6 8.Nbd2 Bb7 9.Be2 Nbd7 10.0-0 c5 11.dc5 bc5 12.b5 (12.Qc2 Qe7=) 12...dc4 (12...a6 13.a4=) 13.Bc4 (13.Nc4 Bd5=) 13...Nb6 (13...a6 14.a4=) 14.Be2 (14.Qe2 Bd5=) 14...c4 (14...a6!?=) 15.Nc4+= Nc4 16.Bc4 (16.Qd8 Rfd8 17.Bc4 Rac8+=) 16...Qd1 (16...Qc7 17.Rc1 Bf3 18.gf3+=) 17.Rfd1+/– Bf3 (17...Rfd8 18.Be2+/–) 18.gf3 Rac8 19.Rac1 Rfd8 (19...Nh5 20.Bg7 Kg7 21.Be2+/–) 20.Rd8+– Rd8 21.Bd4 Rd7? (better is 21...Ra8+–) 22.Bf1 Nd5 (22...Kh8 23.Rc8 Ng8 24.Bc5+–) 23.Rc8 Bf8 24.Bc5 Ne7 25.Ra8 Kg7 (25...Rc7 26.Ba7 Rc8 27.Rc8 Nc8 28.b6 Nb6 29.Bb6 Ba3 30.Bc4+–) 26.a4 Rd5 (26...g5 27.Ra7 Ra7 28.Ba7+–) 27.Bd4 e5 (27...Rd4 28.ed4 Nf5 29.Ra7 Nd4 30.Kg2+–) 28.Ba7 Nf5 (28...Rd1 29.Bc5 Rc1+–) 29.e4 (29.e4 Rd7 30.ef5+–) 1–0. Pamieci Krzysztofa P – napohybel, internet, 2016.

7.Qb3 a5 A) 8.a3 A1) 8...Nbd7 9.Nc3 (9.Nbd2 ab4 10.ab4 Ra1 11.Ba1=) 9...c6 10.b5 Qe7 11.Be2+=; A2) 8...ab4 9.ab4 (9.Qb4 Na6 10.Qb3 b6 11.Be2=) 9...Ra1 10.Ba1 Bd7 11.Nc3=; B) 8.Ba3 B1) 8...a4 9.Qc2 (9.Qd1 Ne4 10.Bd3 Nd7 11.0-0+=) 9...Nbd7 10.Nc3 Qe7 11.Rc1+=; B2) 8...ab4 9.Bb4 (9.Qb4 Ne4 10.Bd3 c5 11.Qb5+=) 9...Re8 10.Bd3 dc4 11.Bc4=; C) 8.b5= a4 9.Qc2 (9.Qb4 dc4 10.Qc4 Nbd7 11.Bd3=) 9...c6 10.Ba3 Re8 11.Nc3=.

7.Qb3 dc4 8.Qc4 A) 8...Nd5 9.Bd3 (9.Be2 Nd7 10.0-0 N7b6 11.Qb3+=) 9...Nc6 10.a3 a6 11.0-0+=; B) 8...Nbd7 9.Bd3 (9.Be2 Nb6 10.Qc2 Bd7 11.0-0+=) 9...Nb6 10.Qc2 Nfd5 11.a3+=.

7.Qb3 dc4 8.Bc4 b6 (8...a5 9.b5+= (9.Ba3 ab4 10.Bb4 Re8 11.0-0=) 9...Nbd7 10.0-0 c5 11.Rd1+=; 8...a6 9.Nc3 (9.0-0 Qd6 10.Nc3 Nc6 11.a3+=) 9...Bd7 10.0-0 Bc6 11.Ne5+=; 8...Nc6 9.a3 (9.0-0 a6 10.Nc3 Qd6 11.a3+=) 9...a6 10.0-0 b5 11.Bd3+=) 9.Nbd2 (9.0-0 Bb7 10.Nbd2 a6 11.Rfc1+=) 9...Bb7 10.0-0 Nc6 (10...a6 11.Rfc1+=) 11.a4 (11.Rac1+=) 11...a5 (11...Nd5 12.Bd5 ed5 13.Rfc1+=) 12.b5+/– Ne7 13.Rac1 Rc8 14.Ba3 Re8 15.Ne5 Bd5 16.Be7 Qe7 17.Bd5 Nd5 18.Nc6 Qd7 19.Rfd1 Ne7 20.Nf3 Nc6 21.Rc6 Red8 22.Rdc1 Kf8 23.Kf1 Ke8 (23...h6 24.Qc2+–) 24.Qc2 e5 (24...h6 25.Rc7 Rc7 26.Qc7 Qc7 27.Rc7+–) 25.de5 Qd3 26.Qd3 Rd3 27.Rc7 Rc7 28.Rc7 Ra3 (28...Rd7 29.Rc6 Rd1 30.Ke2+–) 29.e6! Ra4 (29...fe6 30.Rc6 (30.Rg7)) 30.Ng5 Ra1 (30...fe6 31.Rg7 Rb4 32.Ne6 Rb5 33.Rh7+–) 31.Ke2 f6 (31...fe6 32.Rg7 (32.Ne6?! Be5 33.Rh7 Ra2 34.Kf3 Rb2+–) 32...Rb1 33.Ne6 Rb2 34.Kf3 Rb5 35.Rh7 Rf5 36.Ke2+–) 32.Ne4 (32.Ne4 Ra2 33.Kf3+–; 32.Rg7?! fg5 33.Rb7 g4+–) 1–0. Kaffeemensch – fairchess, playchess.de, 2002.

7.Qb3 Nc6 A) 8.Be2 A1) 8...Qd7 9.0-0 (9.Nbd2 a6 10.0-0 dc4 11.Nc4+=) 9...a6 10.Nc3 Rd8 11.c5+=; A2) 8...dc4 9.Qc4 (9.Bc4 a6 10.Nc3 Qd6 11.a3=) 9...Nd5 10.b5 Nce7 11.0-0+=; B) 8.Nc3 B1) 8...a6 9.Rc1 (9.a3 Re8 10.Be2 dc4 11.Qc4+=) 9...dc4 10.Bc4 Qe7 11.a3+=; B2) 8...h6 9.Be2 (9.Rc1 Re8 10.Be2 dc4 11.Qc4+=) 9...dc4 10.Qc4 a6 11.0-0+=; C) 8.a3 C1) 8...Qe7 9.Bd3 (9.Nc3 Rd8 10.Rc1 a6 11.Bd3+=) 9...Qd8 10.0-0 a6 11.Nc3+=; C2) 8...Ne4 9.Bd3 (9.Nc3 dc4 10.Bc4 Nd6 11.Bd3+=) 9...Ng5 10.Nbd2 Nf3 11.Nf3+=.

7.Qb3 Nbd7 A) 8.Nc3 A1) 8...a5 9.b5 (9.Ba3 ab4 10.Bb4 dc4 11.Bc4=) 9...dc4 10.Bc4 Nb6 11.Bd3+=; A2) 8...dc4 9.Bc4 (9.Qc4 Nb6 10.Qc5 Nbd5 11.Rc1=) 9...a5 10.Ba3 Re8 11.ba5+=; B) 8.Bd3 B1) 8...Nb6 9.Nbd2 (9.c5 Nbd7 10.b5 a6 11.c6+=) 9...dc4 10.Nc4 Nc4 11.Qc4+=; B2) 8...a5 9.b5 (9.ba5 c5 10.0-0 Qa5 11.Bc3=) 9...c5 10.bc6 bc6 11.Qa3=; C) 8.Be2 C1) 8...Nb6 9.Nbd2 (9.c5 Nbd7 10.Nc3 c6 11.0-0+=) 9...Bd7 10.c5 Na4 11.c6+=; C2) 8...a5 9.ba5 (9.b5 c5 10.0-0 b6 11.Nc3=) 9...c5 10.cd5 Nd5 11.0-0+=.

7.c5 b6 8.Bd3 c6=.

7.c5 c6 8.Be2 Nbd7 9.0-0 Re8 10.a4 b6= 11.Qc2 Bb7 (11...a5 12.cb6 Qb6 13.ba5 Ra5 14.Bc3=) 12.b5 (better 12.a5!? bc5 13.bc5+=) 12...Rc8 13.bc6 (13.cb6 Nb6 14.bc6 Bc6=) 13...Bc6 (13...Rc6!? 14.Bb5 Rc8-/+) 14.Ba6 Rc7 (14...Rb8 15.Nbd2=+) 15.cb6= Nb6 16.Qd1 (16.Rc1 Nc4 17.Nc3=) 16...Qd7?? (16...Nc4 17.Bc4 dc4 18.Nc3-/+) 17.a5?? (better 17.Ne5 Qd8 18.Nc6 Rc6 19.Bb5+–) 17...Nc4 (17...Na4 18.Qb3 Nb2 19.Qb2=+) 18.Bc4=+ dc4 19.Ne5 Qd5 20.Nc6 (20.f3 Rb8 21.Qd2 Ba8=+) 20...Rc6 (20...Qc6!? 21.Nc3 Rb8-/+) 21.Nc3=+ Qd6 22.Ba3 Qd7 23.Qe2 (23.Qc2 Nd5=) 23...e5 (23...Nd5!? 24.Nd5 ed5=+) 24.de5= Re5 25.Bb2 (25.Rfd1 Qe8=) 25...Rd6 (25...Rc8!?=+) 26.Qc4+= Rc6 27.Qb3 Bf8 (27...Rg5 28.f4 Rh5 29.Ne2+=) 28.Nb5 a6?? (better 28...Rh5+–) 29.Be5+– Ne4 (29...Ng4 30.Bb8 ab5 31.a6+–) 30.Rfd1 Qb7 (30...Qf5 31.f4 Rc5 32.Nc7 Re5 33.fe5 Qe5 34.Qd5+–) 31.Nd4 Qb3 32.Nb3 (32.Nc6 Qe6 33.Rac1 Nc5+=) 32...Re6 (32...f6 33.Bd4 Rc2 34.Rac1 Rf2 35.Rc6+–) 33.Bd4 Bb4 (33...Re8 34.Rac1+–) 34.Ra4 (better 34.Rac1 f5+–) 34...Bc3 (34...Bd6 35.Rc4 f5 36.f3+–) 35.Rc4 (better 35.f3 Bd4 36.Nd4 Re5 37.fe4 Re4+–) 35...Bd4 36.Rcd4 (36.Rdd4 Nf6+–) 36...Nc3 (36...Kf8 37.R1d3 g5 38.f3+–) 37.R1d2 (37.Rd8 Kg7 38.R1d6 Ne4 39.Re6 fe6+–) 37...Nb5 (37...Ne4 38.R2d3 Kg7 39.f3+–) 38.Rd8 Kg7 39.Nd4 Nd4 40.R2d4 Rc6 41.g3 Kh6 (41...Rc5 42.R4d5 Rc4 43.R8d6+–) 42.R8d6 Rc5 43.Ra6 Rc1 44.Kg2 f5 45.Ra8 Rc7 46.a6 Kg7 47.a7 Kf7 (47...Re7 48.Rg8! Kg8 49.a8Q Kg7 50.Qd8 Ra7 51.Qe8 g5 52.Rd8 Rf7 53.Qe5 Kg6 54.Rg8 Kh5 55.g4 Kg4 56.Qf4 Kh5 57.Qg5) 48.Rh8 Ke6 (48...Kf6 49.a8Q Rc8 50.Qc8 h5 51.Rd6 Kg5 52.Qc4 f4 53.Qf4) 49.a8Q (49.a8Q f4 50.Qa6 Rc6 51.Qc6 Kf5 52.Rd5 Kg4 53.Qd7) 1–0. Mayeregger,Guadalupe Milagros – Umpierrez,Melina, World Youth Girl U14, 2017. (=1.d4 Nf6 2.Nf3 g6 3.b4 d5 4.e3 Bg7 5.Bb2 0-0 6.c4 e6)

7.Nbd2 Nbd7 8.Qc2 Re8 9.Be2 b6 10.0-0 Bb7 11.a4 dc4 12.Nc4 Ne4 13.Rfd1 f5 14.Nce5 Ne5 15.Ne5 Bf8 16.Bb5 Bd6 17.Be8 Qe8 18.b5 Qe7 19.f3 Ng5 20.Nc6 Qf8 21.d5 Re8 22.de6 Re6 23.Qc4 Kf7? (23...Bc6 24.bc6 Qe8+–) 24.h4 Bc6 25.bc6 (25.Qc6 Bh2 26.Kh2 Rc6 27.bc6 Ne6+=; 25.hg5?! Bd7+–) 25...Qh6 (25...Nf3 26.gf3 Qh6+–) 26.Rd6 (better is 26.hg5 Qh2 27.Kf1 Qh1 28.Kf2+–) 26...Nf3 27.gf3 Qe3 28.Kg2 cd6 29.c7 Qd2? (29...Qe2 30.Qe2 Re2 31.Kg3 Re8+–) 30.Kh3 d5 31.Qb5 Qf4 32.Qd7 1–0. Dizdarevic,Emir (2540) – Cvorovic,Drazen (2425), Solin 5th, 1997. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 e6 6.d4 0-0)

7.Nbd2 Nbd7 8.Bd3 Ng4 9.h3 Nh6 10.Qc2 f5 11.Rc1 c6 12.0-0 g5 13.b5 Nf7 ½–½. Muehlbauer,Peter – Schamberger,Alfons, Oberpfalz–ch, 1996. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3 d5 6.d4 e6)

7.Nbd2 Nbd7 8.Be2 b6 9.c5 c6 10.0-0 bc5 11.bc5 Ne8 12.Bc3 a5 13.Qc2 e5 14.Qa4 (14.Ne5!? Ne5 15.de5+/–) 14...e4+= 15.Ne1 Nc5 16.Qc6 (worse is 16.dc5 Bc3 17.Rd1 Qc7-/+) 16...Ba6 17.Ba6 (worse is 17.dc5 Be2 18.Rc1 Rc8–+) 17...Na6 18.Nb3 a4 19.Nc5 (better is 19.Ba5!? Qc8 20.Qa4+=) 19...Nc5+= 20.Qc5 Rc8 (20...Nf6 21.Qa3+=) 21.Qa3= Nd6 22.Bb4 Nc4 23.Qa4 Re8 24.Nc2 f5 25.g3 (25.Qb3 Re6+=) 25...Rb8 26.Rab1 Ra8 27.Qb3 Qd7 28.Na3 Ra3 29.Ba3 Nd2 30.Qb5 Qb5 31.Rb5 Nf1 32.Kf1 Ra8 33.Bb4 Ra2 34.Rd5 Ra8 35.Rd7 Bf8 36.Bf8 Rf8 37.f3! ef3 38.Kf2 h6 39.Kf3 Re8 40.h3 Kh8 (40...h5 41.Rc7+/–) 41.g4 fg4 42.hg4 Kg8 43.e4 Rf8 44.Kg3 Rf1 45.e5 Rg1 46.Kf3 Rf1 47.Ke4 Rg1 (47...h5 48.gh5 gh5 49.Rc7+–) 48.e6 Rg4 (48...Kf8+–) 49.Kf3 Rg1 50.Rd8 Kg7 51.e7 Rf1 (51...Re1 52.e8Q Re8 53.Re8 Kf7+–) 52.Ke2 Rf6 (52...Rb1 53.e8Q Rb2 54.Kd3 Rb3 55.Ke4 Re3 56.Ke3 Kf6 57.Qe5 Kf7 58.Rd7 Kf8 59.Qb8) 53.e8Q Re6 (53...Rf2 54.Kf2 Kf6 55.Qe5 Kf7 56.Rd7 Kf8 57.Qb8) 54.Qe6 Kh7 (54...g5 55.Rg8 Kh7 56.Qf7) 55.Qg8 1–0. Piljugin,A – Iljin,Artem, RUS–ch U16 Kazan, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 e6 6.d4 d5)

7.Bd3 Nc6 8.a3 Re8 9.0-0 Qd6 10.Nc3 e5 (10...dc4 11.Bc4 a6 12.e4+=) 11.de5 Ne5 12.Ne5 Qe5 13.Qc2 (better is 13.cd5!? Nd5 14.Nd5 Qd5 15.Bg7 Kg7 16.Rc1+=) 13...Ng4+= 14.g3 dc4 15.Bc4 b6 (15...Qh5 16.h4+=) 16.Be2 Ne3 (16...Qh5!? 17.h4 Bf5=) 17.fe3+= Qe3 18.Rf2 Bb7? (18...Bf5 19.Qc1 Qc1 20.Rc1 Bd4+/–) 19.Nd1+– Qe6 (19...Qe4 20.Qe4 Be4+/–) 20.Bg7 Kg7 21.Nc3 Qc6? (better is 21...a6+–) 22.Bf3 Qf6 (22...Qf3 23.Rf3 Bf3+–) 23.Bb7 Qe5 24.Ba8 Ra8 25.Raf1 Rf8 26.Qb3 Qd4 27.Ne2 Qd7 28.Rf7! Rf7 (28...Qf7 29.Qb2 Double attack (29.Qb2 Decoy); 28...Rf7 29.Rf7 Double attack) 29.Rf7 Qf7 30.Qf7 Kf7 31.Kf2 Ke6 32.Ke3 Kd5 33.Kd3 h5? (33...a6+–) 34.Nf4 Ke5 35.Ng6 Kf5 36.Nf4 c6 (36...h4 37.b5+–) 37.Kd4 (37.Nh5 Kg5 38.h3 Kf5+–) 37...Kg4 38.Ke5 h4 39.gh4 Kf3 (39...Kh4 40.Kd6 c5 41.bc5 bc5 42.Kc5 Kg4+–) 40.h5 Ke3 41.h6 Kd2 42.h7 Kc3 43.h8Q Kb3 44.Qh3 Kc4 45.Ne2 (45.Qd3) 45...Kb5 (45...c5 46.Nc1 Kb5 47.Qd7 Ka6 48.Nb3 cb4 49.ab4 b5 50.Qc6) 46.Qd3 (46.Nd4 Kc4 47.Qb3) 46...Ka4 47.Nc1 (47.Nd4 c5 48.Qb3) 47...c5 (47...a5 48.b5! cb5 49.Qb3) 48.Qb3 (48.Qa6) 48...Kb5+– 49.bc5 Kc5 (49...Kc6 50.Qa4 Kb7 51.Qd7 Ka6 52.h3 Ka5 53.Qa7 Kb5 54.Qb6 Kc4 55.Qb4) 50.Qc3 (50.Qd5) 50...Kb5 51.Nb3 (51.a4 Ka6 52.Qc8 Ka5 53.Qc4 b5 54.Qb5) 51...Ka6 52.Qc4 (52.Qc8 Kb5 53.Nd4 Ka5 54.Qc4 a6 55.Nc6) 52...b5 (52...Kb7 53.Kd6 a5 54.Qf7 Ka6 55.Kc6 b5 56.Nc5) 53.Qc6 1–0. Fournier,Frederic – HumbertoXIII, Active, 2007.

6.d4 Be6

7.Nbd2 dc4 8.Bc4 Bd5 9.0-0=.

7.Nbd2 c6 8.a4 Nbd7 9.Bd3 dc4 10.Nc4 Nb6 11.Na5 Qc7 12.0-0 Nbd5 13.Ba3 Rfd8 14.Rc1 Bf5 15.Nb3 Bd3 16.Qd3 a6 17.Rfe1 e6 18.Nc5 Nd7 19.Qb3 b5 20.a5 Nc5 21.Rc5 Rac8 22.e4 Nf6 23.Bc1 Qb7 24.Rc2 Ne8 25.Be3 h6 26.h3 g5 27.Qb1 Nd6 28.Nd2 f5 29.e5 Ne8 30.Nb3 Bf8 31.Bd2 Ng7 32.f4 g4 33.Re3 Qd7 34.Bc3 h5 35.Qe1 Be7 36.Rd2 Qe8 37.h4 Qf7 38.Rc2 Ne8 39.Bd2 Bf8 40.Rd3 Qd7 41.Qc1 Qd5 42.g3 Kf7 43.Be1 Kg6 44.Nc5 Bc5 45.Rc5 Qd7 46.Qc2 Nc7 47.Rc6 Nd5 48.Rc5 Ne7 49.Rd2 Qb7 50.Qb3 Kf7 51.Qe3 Nd5 52.Qa3 Ne7 53.Qc1 Qf3 54.Bf2 Kg6 ½–½. Gofman,Albert (1605) – Gamb,Roper (1875), 32. LSS No Engine Cup Preliminary, 2010.

7.Nbd2 Nbd7 8.c5 (8.cd5 Bd5 9.Qc2 c6=) 8...c6 (8...a5 9.b5=) 9.a4 (9.Bd3 Qc7+=) 9...Bf5 (9...b6 10.Bd3=) 10.Be2 Re8 (10...b6 11.Nh4=) 11.Nh4+= e6 (11...Be6 12.0-0+=) 12.Nf5 (12.0-0 Ne4 13.Nf5 ef5+=) 12...ef5 13.0-0 Qc7 14.Re1 (14.Bd3 a5+=) 14...Re7 (14...f4 15.ef4 Qf4 16.Nf3=) 15.g3 Rae8 (15...Ne4 16.Qc2+=) 16.Bf3 (16.b5 Ne4+=) 16...Bh6 (16...Ne4 17.Qc2=) 17.Nf1 (17.Re2 Ne4=) 17...Bg5 (17...Ne4 18.Qd3=) 18.Qc2 (18.Be2 Ne4+=) 18...h5 (18...f4 19.gf4 Bf4 20.Re2=) 19.Reb1 h4 20.Bc1 (20.b5 hg3 21.hg3 Ne4+=) 20...hg3 21.hg3 (worse is 21.Ng3 f4 22.Nf1 Ne4+=) 21...Ne4 22.b5 Ndf6 23.b6 ab6 24.Rb6 (24.cb6 Qc8+=) 24...Ng4 25.Bg4 fg4 26.Rab1 Qc8 (26...Ra8+=) 27.Bd2 (27.R1b4!?+=) 27...Qf5= 28.Be1 (28.Bc3 Rb8= (worse is 28...Nc3 29.Qc3 Ra8 30.R1b4+=)) 28...Kg7 (28...Ng3 29.Qf5 Ne2 30.Kg2 gf5 31.Bd2=) 29.Rb7 Rh8 30.Re7 (better is 30.a5!?+=) 30...Be7-/+ (30...Be7 31.Nd2 Rh1 32.Kh1 Nf2 33.Kg2 Qc2 34.Kf2 Bd8–+) 0–1. Syrett – Mont Reynaud, California, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.d4 Be6)

7.cd5 Nd5 8.b5=.

7.Nbd2 a5

8.Qa4 Nbd7 A) 9.ba5 Nb6 (9...c5 10.Qb5 Qa5 11.Qa5 Ra5 12.Nb3 Ra7 13.cd5 Nd5 14.Ng5 Nb4=; 9...Ra7 10.Qb4 dc4 11.Nc4 Nd5 12.Qb5 N7f6 13.Be2 Ne4 14.Rc1 Nd6+=; 9...dc4 10.Qc2 Ra5 11.Bc4 Bc4 12.Nc4 Ra7 13.0-0 e6 14.Rfd1 Qe7=) 10.Qb5 Nc4 11.Nc4 dc4 12.Ne5 c6 13.Qb6 Ra5 14.Qd8 Rd8+=; B) 9.b5 h6 (9...Bf5 10.Be2 Nb6 11.Qa3 Nc4 12.Nc4 dc4 13.Bc4 Be4 14.Rc1 e6=; 9...Nb6 10.Qc2 a4 11.c5 Nbd7 12.Bd3 a3 13.Bc1 Bg4 14.0-0 e5+=; 9...Ra7 10.cd5 Nb6 11.Qc2 Nbd5 12.Be2 Nb4 13.Qa4 Nfd5 14.a3 Nb6+=) 10.cd5 Nd5 11.Be2 N7b6 12.Qd1 a4 13.Ne4 a3 14.Bc1 Na4=; C) 9.Qb5 ab4 (9...b6 10.Ng5 ab4 11.Ne6 fe6 12.Qc6 Kf7 13.Nf3 h6 14.Bd3 Bh8+=) 10.Qb4 b6 11.Bd3 c5 12.Qb5 Ra5 13.Qb3 cd4 14.Bd4 Nc5+=; D) 9.c5 Bf5 (9...b6 10.Bb5 Ne4 11.Bc6 Nd2 12.Nd2 Rb8 13.cb6 Rb6 14.Bd7 Qd7=; 9...ab4 10.Qb4 Ne4 11.Bd3 Ndf6 12.0-0 Bf5 13.Be2 Nd2 14.Nd2 Qd7=; 9...Ne4 10.Bd3 Ndf6 11.0-0 Bf5 12.Be2 b6 13.Ne4 Ne4 14.cb6 cb6=) 10.Be2 b6 11.c6 ab4 12.Qb4 Nb8 13.Qc3 Qd6 14.Ne5 Ne8=.

8.Qa4 Re8 A) 9.Bd3 dc4 (9...Nc6 10.b5 Nb4 11.Be2 Bf5 12.0-0 Bc2 13.Qa3 Bf5 14.Qc3 dc4=; 9...Nbd7 10.c5 ab4 11.Qb4 b6 12.cb6 Nb6 13.0-0 Rb8 14.Rfb1 Nc4=; 9...c6 10.c5 Nfd7 11.0-0 Na6 12.a3 ab4 13.ab4 Nac5 14.Qa8 Nd3+/–) 10.Bc4 Bc4 11.Nc4 c6 12.b5 Nd5 13.Rb1 Nc7 14.Na3 Qd5=; B) 9.ba5 Nc6 (9...dc4 10.Bc4 Bc4 11.Nc4 Qd5 12.Qc2 Nc6 13.0-0 Rec8 14.Ba3 Ne4=; 9...Ra7 10.Qb5 Nc6 11.Bc3 Bd7 12.Qb3 Na5 13.Ba5 Ra5 14.Qb7 c5+=; 9...Qd7 10.Qd7 Nbd7 11.Bc3 Ra7 12.Rc1 h6 13.Be2 Bg4 14.h3 Be6+=) 10.Bc3 Na5 11.cd5 Nc6 12.Qa8 Qa8 13.de6 fe6 14.Bc4 Nd5=; C) 9.c5 Bf5 (9...Bg4 10.b5 Nfd7 11.Rc1 Nf6 12.Bd3 Qc8 13.Bc3 Bf5 14.Be2 b6+=; 9...Nbd7 10.Bd3 ab4 11.Qb4 b6 12.cb6 cb6 13.0-0 h6 14.Rfc1 Ra7+=; 9...Ne4 10.Ne4 de4 11.Nd2 Bd5 12.Bc4 Nc6 13.b5 Nb4 14.0-0 Bc4+=) 10.Be2 Nbd7 11.0-0 ab4 12.Qb4 Ra7 13.a4 Qa8 14.a5 Nb8=; D) 9.Be2 Nbd7 (9...Bf5 10.0-0 Nc6 11.b5 Nb4 12.Ne1 dc4 13.Nc4 c6 14.bc6 Nc6+=; 9...dc4 10.Nc4 Bd5 11.b5 Nbd7 12.0-0 c5 13.Rfd1 b6 14.Rac1 Rc8+=; 9...Nfd7 10.Qb5 Nb6 11.ba5 Bd7 12.Qb3 dc4 13.Nc4 Ba4 14.Qd3 Nc4+=) 10.c5 Bf5 11.0-0 ab4 12.Qb4 Ra7 13.a4 Qa8 14.a5 Nb8=.

8.Qa4 Bf5 A) 9.Be2 Nbd7 (9...Qe8 10.Qe8 Re8 11.b5 c6 12.Rc1 a4 13.cd5 a3 14.Bc3 cd5+=; 9...Nc6 10.b5 Nb4 11.0-0 Bd3 12.Bd3 Nd3 13.Ba3 Qd7 14.Qb3 Nb4+/–; 9...h6 10.0-0 Nc6 11.b5 Nb4 12.Bc3 Bd3 13.Bd3 Nd3 14.a3 Ne4+=) 10.ba5 c5 11.0-0 Ra5 12.Qd1 Nb6 13.Qb3 Na4 14.Ba3 Ne4=; B) 9.cd5 Nd5 (9...Na6 10.ba5 Qd5 11.Bc4 Qd6 12.Ba3 Qd8 13.Qb3 Ra7 14.Ne5 Qe8+– 1.44; 9...Qd5 10.Rc1 Qd8 11.b5 Nbd7 12.Be2 Nb6 13.Qa3 a4 14.0-0 Nbd5+=; 9...Qd6 10.b5 Nd5 11.e4 Nb6 12.Qc2 Be6 13.d5 Bb2 14.Qb2 Bg4+=) 10.e4 Bd7 11.b5 Nf4 12.g3 Ne6 13.Rb1 c6 14.d5 cd5=; C) 9.Nh4 Bd7 (9...Bc8 10.Be2 Nbd7 11.0-0 Nb6 12.Qb3 ab4 13.Qb4 dc4 14.Nc4 Nfd5=; 9...Bg4 10.h3 Be6 11.b5 Nbd7 12.c5 Ne4 13.Qc2 Bf6 14.Ne4 de4=; 9...Qd7 10.b5 Bg4 11.Nhf3 Qe6 12.Ne5 Bf5 13.cd5 Qd5 14.Rc1 Qd6+=) 10.b5 c6 11.Rc1 dc4 12.Bc4 Qb6 13.Qb3 a4 14.Qb4 cb5+=; D) 9.Rc1 Nbd7 (9...Nc6 10.b5 Nb4 11.Qb3 c6 12.a3 cb5 13.ab4 a4 14.Qa3 bc4+=; 9...Qe8 10.Qe8 Re8 11.b5 c6 12.Be2 a4 13.cd5 a3 14.Bc3 cd5+=; 9...e6 10.ba5 Na6 11.Be2 Ra7 12.0-0 Ne4 13.Ba3 Re8 14.Ne4 Be4+/–) 10.ba5 c6 11.Bc3 Ne4 12.Ne4 de4 13.Nh4 Bg4 14.h3 Be6=.

8.Qa4 h6 A) 9.Bd3 dc4 (9...Nc6 10.b5 Nb4 11.Be2 Bf5 12.0-0 Bd3 13.Bd3 Nd3 14.Ba3 Ne4+/–; 9...Nbd7 10.c5 ab4 11.Qb4 b6 12.cb6 cb6 13.0-0 Re8 14.Rfc1 Ra7+=; 9...c6 10.c5 Qc8 11.0-0 Bf5 12.Be2 Nbd7 13.ba5 Qc7 14.Nb3 Ra7+=) 10.Bc4 Nd5 11.Bd5 Qd5 12.e4 Qd8 13.b5 c6 14.Rc1 Qb6+=; B) 9.Be2 Nbd7 (9...dc4 10.b5 c3 11.Bc3 Nd5 12.Rc1 c5 13.0-0 Nc3 14.Rc3 Nd7+=; 9...Bf5 10.0-0 Nc6 11.b5 Nb4 12.Ne1 dc4 13.Nc4 c6 14.bc6 Nc6+=; 9...Qe8 10.b5 c6 11.c5 cb5 12.Qb5 Qb5 13.Bb5 Bf5 14.0-0 a4=) 10.Qb5 ab4 11.0-0 dc4 12.Bc4 Bc4 13.Nc4 c6 14.Qb4 Ra7=; C) 9.Rc1 Bg4 (9...Re8 10.Be2 Nbd7 11.ba5 dc4 12.Bc3 Nd5 13.Qb5 Nc3 14.Rc3 c5=; 9...Nbd7 10.ba5 c5 11.Bc3 Qc7 12.Bd3 cd4 13.Nd4 Nc5 14.Qc2 Nd3+=; 9...Ra7 10.Be2 Nbd7 11.0-0 dc4 12.Nc4 Bc4 13.Bc4 Nb6 14.Qa3 Nc4+=) 10.ba5 Nc6 11.cd5 Na5 12.e4 c6 13.dc6 Nc6 14.Qc4 Bf3=; D) 9.c5 Bf5 (9...Ne4 10.Ne4 de4 11.Nd2 Bd5 12.b5 Nd7 13.Qc2 Nf6 14.Be2 Qd7=; 9...Bg4 10.b5 Nbd7 11.Bd3 Bf3 12.Nf3 e5 13.Ne5 Ne5 14.de5 Nd7+=; 9...Nbd7 10.Bd3 ab4 11.Qb4 b6 12.cb6 cb6 13.0-0 Ne8 14.Rfc1 Nd6+=) 10.Be2 Nbd7 11.0-0 ab4 12.Qb4 Ra7 13.Rfc1 Nb8 14.Ne5 Nfd7=.

8.ba5 Ra5 D1) 9.Bd3 Nbd7 (9...Nc6 10.0-0 Qa8 11.Qb3 dc4 12.Bc4 Bc4 13.Nc4 Ra4 14.Rfc1 Rd8=; 9...Ra7 10.c5 Nc6 11.0-0 Qa8 12.Qb3 Ne4 13.Rfb1 h6 14.a3 Bf5=; 9...dc4 10.Nc4 Ra8 11.Qc2 Na6 12.a3 c5 13.Nce5 Rc8 14.Qe2 cd4=) 10.0-0 Qa8 11.Qc2 c5 12.Rfd1 b5 13.Nb3 dc4 14.Na5 cd3+=; D2) 9.Qb3 Ra7 (9...b6 10.Bd3 dc4 11.Bc4 Bc4 12.Nc4 Rd5 13.Qc2 Nc6 14.Rc1 Nb4=; 9...dc4 10.Bc4 Bc4 11.Nc4 Ra7 12.0-0 Ne4 13.Nce5 Nd7 14.Rfc1 Ne5=; 9...Ra6 10.c5 Ra7 11.Bd3 Qc8 12.0-0 Bf5 13.Bb5 Na6 14.Rfc1 h6=) 10.c5 Qc8 11.Be2 Bf5 12.0-0 Qe6 13.Ng5 Qd7 14.Ndf3 Nc6=; D3) 9.c5 Nc6 (9...Bf5 10.Be2 Nbd7 11.Nh4 Be6 12.0-0 Qa8 13.a3 Rb8 14.Rb1 b5=; 9...Bg4 10.Bd3 b6 11.Nb3 Ra7 12.h3 Bc8 13.0-0 Ba6 14.Ne5 Ne4=; 9...Qc8 10.Nb3 Ra8 11.Bb5 Bd7 12.Be2 Bf5 13.Ne5 Na6 14.g4 Bd7=) 10.Be2 Ne4 11.Qb3 Qa8 12.0-0 Rb8 13.a3 b6 14.cb6 Rb6=; D4) 9.Be2 dc4 (9...Ra7 10.0-0 dc4 11.Nc4 Nc6 12.Qc2 Bf5 13.Qb3 Nd5 14.Rfc1 Qd7=; 9...Nbd7 10.Ng5 Bf5 11.g4 Be6 12.Ne6 fe6 13.g5 Ne8 14.Qb3 Nd6+=; 9...Ra8 10.Qb3 Ra7 11.c5 Nc6 12.0-0 Bf5 13.Bb5 Qa8 14.a4 Rb8=) 10.Nc4 Ra7 11.0-0 Nc6 12.Qc2 Bf5 13.Qb3 Be6 14.Rfd1 Na5=.

8.ba5 Na6 A) 9.Rc1 c5 (9...dc4 10.Bc4 Bc4 11.Nc4 Qd5 12.Ba3 Qe6 13.Qb3 Nd5 14.Nce5 Be5+/–; 9...Nb8 10.Bc3 Nc6 11.a6 ba6 12.Be2 Qd7 13.cd5 Bd5 14.Qc2 Qe6+=; 9...h6 10.Be2 dc4 11.0-0 Nb4 12.Nc4 Bd5 13.Qa4 Nc6 14.Nfe5 Ne4+=) 10.Qa4 Nb8 11.dc5 Ra5 12.Qb4 Na6 13.Qb7 Nc5 14.Qb4 Na6=; B) 9.Qb3 c5 (9...dc4 10.Bc4 Bc4 11.Nc4 Qd5 12.Rb1 e6 13.Ba3 Rfb8 14.0-0 h6+=; 9...Ra7 10.Rc1 h6 11.Ne5 dc4 12.Bc4 Bc4 13.Ndc4 Kh7 14.0-0 Kg8+/–) 10.Bc3 Ne4 11.Ne4 de4 12.Nd2 cd4 13.ed4 Bd4 14.Ne4 Bf5=; C) 9.a3 c6 (9...dc4 10.Qc2 c3 11.Bc3 Nd5 12.Rb1 Nc3 13.Qc3 c5 14.Rb7 cd4+=; 9...c5 10.cd5 Bd5 11.Nc4 Bc4 12.Bc4 Qa5 13.Qd2 Qa4 14.Rc1 e6+=; 9...Ra7 10.Be2 c5 11.cd5 Bd5 12.Qa4 Bc6 13.Qc2 Qa5 14.Ba6 Qa6+=) 10.Qb3 Qa5 11.c5 Ne4 12.Rc1 Rfb8 13.Bc3 Nc3 14.Qc3 Nc7=; D) 9.Qc2 Qd6 (9...c6 10.Bc3 Bf5 11.Bd3 Bd3 12.Qd3 Qc7 13.Rb1 c5 14.0-0 Rfc8+=; 9...c5 10.cd5 Nd5 11.dc5 Bb2 12.Qb2 Nc5 13.Nc4 Qc7 14.Rd1 Rfd8+=; 9...Qd7 10.Rc1 Rfb8 11.cd5 Nd5 12.a3 h6 13.e4 Nf6 14.d5 Bg4+– 1.41) 10.c5 Qd7 11.Ne5 Qc8 12.Be2 Bf5 13.Qb3 Nb8 14.Bc3 Ra7+=.

8.ba5 dc4 A) 9.Nc4 Nc6 (9...Bd5 10.Bd3 Nc6 11.Qe2 Na5 12.Nce5 Qd6 13.0-0 Nc6 14.e4 Ba2+=; 9...h6 10.Be2 Nc6 11.0-0 Na5 12.Nce5 Bd5 13.Qc2 Qd6 14.Rfc1 Rfc8=; 9...Ra7 10.Be2 Bd5 11.0-0 Nc6 12.Qe1 Ne4 13.Rc1 e6 14.Nfe5 Ne5+=) 10.Bd3 Na5 11.Nce5 Bd5 12.Qc2 Nc6 13.a3 Ne5 14.de5 Nd7=; B) 9.Be2 Nc6 (9...Ra5 10.Nc4 Ra7 11.0-0 Nc6 12.Qc2 Bf5 13.Qb3 Nd5 14.Rfc1 Qd7=; 9...Re8 10.0-0 Ra5 11.Nc4 Ra7 12.Qc2 Bf5 13.Qb3 Nc6 14.Nce5 Ne5=; 9...h6 10.Nc4 Bd5 11.0-0 Nc6 12.Qe1 Qd7 13.Rc1 Qe6 14.Nce5 Rfc8+=) 10.Nc4 Na5 11.Nce5 Bd5 12.0-0 Nc6 13.Qc1 Ne4 14.Rd1 Na5=; C) 9.Bc4 Bd5 (9...Bc4 10.Nc4 Qd5 11.Qc2 Nc6 12.0-0 Rfc8 13.Ba3 Ne4 14.Rfb1 e6+=; 9...Qd6 10.Qb3 Bc4 11.Nc4 Qa6 12.0-0 Nc6 13.Rfc1 Nd5 14.Nce5 Ne5+=; 9...Qc8 10.0-0 Bc4 11.Nc4 Nc6 12.Qb3 Rd8 13.Nce5 Ne5 14.Ne5 Nd5+=) 10.Bd5 Nd5 11.e4 Nf4 12.0-0 Nc6 13.Rb1 Na5 14.d5 Bb2=; D) 9.Qc2 Ra5 (9...Nc6 10.Bc4 Bc4 11.Nc4 Na5 12.Nce5 Nd5 13.0-0 Nb6 14.Rfc1 c6+=; 9...Ra6 10.e4 Ra5 11.Bc4 Bc4 12.Nc4 Ra7 13.0-0 Nbd7 14.d5 e6+=; 9...c3 10.Bc3 Nc6 11.a6 b6 12.e4 Nb8 13.d5 Bd7 14.Rc1 Na6+=) 10.Bc4 Bc4 11.Nc4 Ra7 12.e4 Nc6 13.0-0 e6 14.Nce5 Ra6+=.

8.ba5 Nbd7 A) 9.Bc3 c5 (9...dc4 10.Rb1 Nd5 11.Qc1 Nc3 12.Qc3 c5 13.Bc4 cd4 14.ed4 Qc8+=; 9...Ra7 10.Rc1 h6 11.Bd3 c5 12.0-0 Qa8 13.Qe2 Rc8 14.Rfd1 dc4+/–; 9...h6 10.Rb1 Ra7 11.Bd3 dc4 12.Nc4 Bg4 13.e4 Nh5 14.a6 ba6+=) 10.Rb1 Qc7 11.Qb3 Rfb8 12.Rb2 b6 13.a6 dc4 14.Bc4 Bc4=; B) 9.Bd3 c6 (9...c5 10.cd5 Nd5 11.0-0 Qa5 12.Nc4 Qd8 13.dc5 Nc5 14.Bg7 Kg7=; 9...Ra5 10.0-0 Qa8 11.Qc2 c5 12.Rfd1 b5 13.cd5 Nd5 14.Be4 Qa7=; 9...dc4 10.Nc4 Bd5 11.0-0 Ne4 12.Qc2 f5 13.Rfc1 Rc8 14.Nfe5 Ne5+/–) 10.Qc2 c5 11.0-0 Qa5 12.Nb3 Qa4 13.cd5 Nd5 14.Qc1 Nb4+=; C) 9.Be2 c5 (9...Ra5 10.Ng5 Bf5 11.g4 Be6 12.Ne6 fe6 13.g5 Ne8 14.Qb3 Nd6+=; 9...dc4 10.Nc4 Bd5 11.0-0 e6 12.Rb1 Re8 13.Ba3 Ne4 14.Qc2 Ng5+=) 10.0-0 Qa5 11.cd5 Bd5 12.Nb3 Qb6 13.dc5 Nc5 14.Bd4 Bb3=; D) 9.Qb3 Qc8 (9...Ra7 10.Ng5 Bf5 11.cd5 h6 12.Ngf3 Ra5 13.Qb7 Qb8 14.Qb3 Qa8+/–; 9...h6 10.cd5 Bd5 11.Bc4 e6 12.Ba3 Re8 13.Bd5 Nd5 14.Qb7 c5+=; 9...c5 10.Bc3 Qb8 11.Rb1 Bf5 12.Rd1 Rc8 13.cd5 cd4 14.Nd4 Nc5+/–) 10.Bc3 c5 11.Rc1 Rd8 12.Be2 cd4 13.Nd4 dc4 14.Nc4 Nc5+=.

8.Qb3 a4 A) 9.Qc3 c6 (9...Nbd7 10.Rc1 c6 11.a3 dc4 12.Bc4 Bc4 13.Nc4 Nd5 14.Qc2 N7b6+=; 9...dc4 10.Bc4 Bc4 11.Qc4 a3 12.Bc1 Qd6 13.Qb3 b5 14.Ba3 Nc6+=; 9...h6 10.Rc1 dc4 11.Bc4 Bc4 12.Qc4 a3 13.Bc3 c6 14.0-0 Qd5+=) 10.Rd1 dc4 11.Bc4 Nd5 12.Bd5 cd5 13.0-0 Bf5 14.Rc1 Nc6+=; B) 9.Qc2 Bf5 (9...Nc6 10.b5 Bf5 11.Qc3 Na5 12.cd5 Nd5 13.Qa3 Nb6 14.Be2 c6+=; 9...dc4 10.Bc4 Bc4 11.Nc4 b5 12.Nce5 Nd5 13.a3 Qd6 14.e4 Nf4+=; 9...Qd6 10.c5 Qd7 11.Bd3 Bg4 12.Ne5 Qe6 13.f3 Bf5 14.e4 de4+/– 1.12) 10.Qc3 Nbd7 11.Rc1 dc4 12.Qc4 a3 13.Ba1 Nb6 14.Qb3 Be6=; C3) 9.Qa3 dc4 (9...Nbd7 10.cd5 Nd5 11.Bd3 N7f6 12.0-0 c6 13.Nc4 Bf5 14.Bf5 gf5=; 9...h6 10.Be2 dc4 11.Nc4 Bd5 12.0-0 Nbd7 13.b5 Ne4 14.Rfc1 Ndf6+=; 9...Re8 10.cd5 Nd5 11.e4 Nf4 12.d5 Bb2 13.Qb2 Bg4 14.Ne5 Bc8+=) 10.Bc4 Bc4 11.Nc4 Nd5 12.e4 Nf4 13.g3 Nh5 14.Qe3 f5=.

8.Qb3 ab4 9.Qb4 Ra7 (9...b6 10.Bd3 Na6 11.Qb3 dc4 12.Bc4 Bd5 13.0-0 e6 14.Rac1 Qd6=; 9...Ra6 10.c5 Ra7 11.Bd3 Qc8 12.0-0 Nc6 13.Qc3 Bf5 14.Bb5 Qa8=; 9...Bc8 10.Bd3 Nc6 11.Qb3 Na5 12.Qc2 dc4 13.Nc4 Nc4 14.Bc4 Bf5=) 10.Bd3 dc4 11.Nc4 Nc6 12.Qb5 Bd5 13.0-0 Bf3 14.gf3 Qd5=.

8.Qb3 dc4 9.Bc4 a4 (9...Bc4 10.Nc4 ab4 11.Qb4 Ra7 12.0-0 Nc6 13.Qb3 Qd7 14.Nce5 Qd6+=) 10.Qa3 Bc4 11.Nc4 Nd5 12.e4 Nf4 13.g3 Nh5 14.Qe3 f5=.

8.Qb3 Nc6 9.b5 a4 (9...Nb4 10.a3 dc4 11.Bc4 Bc4 12.Qc4 Nbd5 13.0-0 Nb6 14.Qc2 Qd7+=; 9...Nb8 10.Be2 dc4 11.Qa4 c3 12.Bc3 Nd5 13.Rc1 c5 14.0-0 Nc3+=) 10.Qa3 Nb8 11.cd5 Nd5 12.Bc4 c6 13.Rc1 cb5 14.Bb5 Ra5+=.

8.b5 a4 A) 9.Be2 dc4 (9...Qe8 10.cd5 Nd5 11.Rc1 a3 12.Ba1 c6 13.bc6 Nc6 14.Ng5 Bc8+=; 9...c6 10.c5 cb5 11.Bb5 Qa5 12.Be2 Nc6 13.0-0 Bf5 14.a3 b5=; 9...Bf5 10.0-0 Qd6 11.a3 Qe6 12.Rc1 c6 13.Ne5 cb5 14.cd5 Qd5+=) 10.Nc4 c6 11.bc6 Nc6 12.0-0 Bd5 13.Rc1 b5 14.Nce5 Na7=; B) 9.Bd3 c6 (9...dc4 10.Nc4 c6 11.Na3 cb5 12.Nb5 Nc6 13.a3 Bb3 14.Qe2 Qd7=; 9...a3 10.Bc3 dc4 11.Nc4 c6 12.Rb1 Bd5 13.0-0 Ne4 14.Ba1 Nd6=; 9...Qe8 10.cd5 Nd5 11.a3 Bd7 12.Be4 e6 13.Rc1 Bb5 14.Bd5 ed5=) 10.c5 cb5 11.Bb5 Qa5 12.Be2 Bf5 13.0-0 Nc6 14.Ba3 Rfc8=; C) 9.Qc2 h6 (9...c6 10.cd5 Bf5 11.Bd3 Bd3 12.Qd3 Qd5 13.Ba3 Re8 14.e4 Qd7=; 9...Bg4 10.Bd3 c6 11.Rc1 dc4 12.Bc4 Bf3 13.gf3 Nd5 14.Ba3 Re8=; 9...Bf5 10.Bd3 Bd3 11.Qd3 c6 12.c5 Qa5 13.bc6 Nc6 14.0-0 Rfc8=) 10.Bd3 dc4 11.Nc4 c6 12.bc6 Nc6 13.a3 b5 14.Nce5 Ne5=; D) 9.Rc1 dc4 (9...Nbd7 10.a3 c5 11.cd5 Nd5 12.Ng5 cd4 13.Ne6 fe6 14.Bd4 Bd4+=; 9...a3 10.Bc3 dc4 11.Bc4 Bd5 12.0-0 Qd7 13.Qb3 c6 14.bc6 Nc6+=; 9...Re8 10.a3 c6 11.cd5 Bd5 12.Bd3 cb5 13.Bb5 Bc6 14.Bd3 Nbd7+=) 10.Bc4 Bc4 11.Rc4 Ra5 12.Bc3 Rb5 13.Qa4 Rd5 14.Qb3 b5+=.

8.b5 dc4 9.Nc4 (9.Bc4 Bc4 (9...Qd6 10.Qa4 Bd5 11.0-0 Rd8 12.Bd3 Qb4 13.Qc2 Bf3 14.Nf3 c6+/–; 9...Bd5 10.0-0 a4 11.Qc2 c6 12.Rfb1 Bc4 13.Qc4 Nd5 14.e4 Nb6+=) 10.Nc4 a4 11.Nce5 c6 12.bc6 Nc6 13.Nc6 bc6 14.Qc2 a3=; 9.Qa4 c5 (9...Nbd7 10.Nc4 Bd5 11.Be2 c5 12.0-0 Qc7 13.Nfe5 Ne5 14.de5 Nd7+=; 9...c3 10.Bc3 Nd5 11.Qa3 c5 12.Qc5 Qc8 13.Qc8 Rc8 14.Bb2 Nb4+=; 9...Bd5 10.Bc4 Nbd7 11.Bd5 Nd5 12.0-0 f5 13.Nc4 N7b6 14.Nb6 Nb6+=) 10.Bc4 Nd5 11.Qa3 Nb4 12.Rc1 Bc4 13.Rc4 Nd7 14.0-0 cd4=; 9.e4 h6 (9...Nbd7 10.Qc2 Nb6 11.d5 Bg4 12.Ne5 Qd6 13.Nec4 Nc4 14.Bc4 Qf4+=; 9...a4 10.Qc2 a3 11.Bc3 h6 12.Rb1 Nbd7 13.Bc4 Bc4 14.Nc4 Nb6+=; 9...Qe8 10.a4 c6 11.bc6 c3 12.Bc3 Qc6 13.Qc2 Rc8 14.Rc1 Bd7=) 10.d5 Bg4 11.Bc4 Bf3 12.gf3 c6 13.dc6 bc6 14.Rb1 cb5=) 9...Bd5 (9...a4 10.Bd3 c6 11.Na3 Bd5 12.0-0 Qc8 13.Nc4 Qd8 14.Nce5 a3=; 9...Nbd7 10.Be2 Bd5 11.0-0 c6 12.bc6 bc6 13.Rb1 c5 14.dc5 Nc5+=; 9...c6 10.Qa4 Bd5 11.Bd3 Nbd7 12.Rc1 c5 13.Be2 Qc7 14.0-0 Rfc8=) 10.Be2 (10.Qa4 Nbd7 11.Be2 c5 12.0-0 b6 13.Rfd1 Qc7 14.Rac1 Rfd8=) 10...Nbd7 (10...a4 11.0-0 c6 12.Nce5 Ne4 13.Qc2 a3 14.Bc1 Qa5=) 11.0-0 c6 12.bc6 bc6 13.Rc1 (13.Rb1 c5 14.dc5 Nc5+=) 13...c5 14.dc5 Nc5 15.Bd4 Ne6 16.Bb6 Qd7 17.Rb1 Be4 18.Rc1 Bd5 19.Rb1 Be4 20.Rc1 Bd5 21.Nfe5 Qb7 22.f3 Bc4 23.Nc4 Nd5 ½–½. Bajarani,U (2420) – Giroyan,G (2290), 86th ch–Paris IdF (5), 2011. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.c4 Be6)

8.b5 c6 A) 9.c5 a4 (9...Bd7 10.b6 a4 11.Be2 h6 12.0-0 Bf5 13.Nh4 Be6 14.Rb1 Bc8+=; 9...cb5 10.Bb5 Qc7 11.0-0 Bf5 12.Qb3 Nc6 13.Nh4 Bd7 14.Rfb1 Rfb8=; 9...Bf5 10.Qa4 Nfd7 11.Rc1 Nf6 12.Ne5 Qc7 13.Ndf3 Ne4 14.b6 Qc8+=) 10.Bc3 Bf5 11.Be2 Ne4 12.Ne4 Be4 13.0-0 b6 14.cb6 Qb6=; B) 9.Qa4 Nfd7 (9...cb5 10.Qb5 Qc7 11.Rc1 Bd7 12.Qc5 Qc5 13.dc5 Bc6 14.cd5 Bd5+=; 9...Nbd7 10.bc6 Nb6 11.Qa3 bc6 12.Ne5 Qc7 13.Rc1 Rfb8 14.cd5 Bd5+=; 9...Qe8 10.c5 Bd7 11.b6 Bg4 12.Bd3 Nfd7 13.Rc1 Na6 14.0-0 Bf3+=) 10.bc6 bc6 11.Be2 Nb6 12.Qa3 Nc4 13.Nc4 dc4 14.Rc1 Nd7=; C) 9.Ng5 Bd7 (9...Bf5 10.Qa4 Nfd7 11.bc6 bc6 12.Ngf3 Nb6 13.Qa3 N8d7 14.Be2 a4=; 9...Bc8 10.c5 a4 11.Ngf3 Qa5 12.bc6 Nc6 13.a3 Ne4 14.Qc2 Bf5=; 9...Bg4 10.Qa4 cb5 11.Qb5 Nc6 12.Bc3 Rb8 13.Rc1 Bd7 14.Qb3 a4=) 10.Rc1 dc4 11.bc6 Bc6 12.Nc4 Bd5 13.Qb3 Nbd7 14.Qb5 Bc6=; D) 9.bc6 Nc6 (9...bc6 10.Qa4 Bd7 11.c5 Bf5 12.Be2 Nfd7 13.Rc1 Qc7 14.Nh4 Be6+=) 10.Rc1 dc4 11.Bc4 Bc4 12.Rc4 Nb4 13.Qb1 Rb8 14.Ba3 Nbd5+=.

8.b5 h6 A) 9.Be2 dc4 (9...a4 10.0-0 dc4 11.Nc4 Bd5 12.Qc2 c6 13.Ba3 cb5 14.Nce5 Nfd7+=; 9...c6 10.Qa4 cb5 11.Qb5 Qd7 12.c5 Qb5 13.Bb5 Bf5 14.0-0 a4=; 9...Nbd7 10.0-0 c5 11.bc6 bc6 12.Ba3 dc4 13.Nc4 Rc8 14.Rc1 Bd5+=) 10.Nc4 a4 11.0-0 Bd5 12.Qc2 Be4 13.Qd2 c6 14.Nce5 Nd5=; B) 9.Rc1 a4 (9...Nbd7 10.Bd3 c5 11.bc6 bc6 12.Ba3 dc4 13.Nc4 Bd5 14.0-0 Rc8+=; 9...dc4 10.Bc4 Bc4 11.Nc4 a4 12.0-0 c6 13.bc6 Nc6 14.Qe2 Ne4+=; 9...Qd6 10.c5 Qd7 11.Ne5 Qc8 12.Be2 Bf5 13.0-0 a4 14.c6 bc6+=) 10.Bd3 dc4 11.Nc4 Qd5 12.Ba3 Qb5 13.Be7 Re8 14.Bf6 Bf6=; C) 9.a3 dc4 (9...c6 10.Qa4 Bd7 11.Rc1 cb5 12.cb5 Bf5 13.Nh4 Bg4 14.h3 Be6+=; 9...Nbd7 10.Bd3 c5 11.bc6 bc6 12.c5 Bg4 13.0-0 Rb8 14.Rb1 Qc7+=; 9...a4 10.Bd3 dc4 11.Nc4 c6 12.bc6 Nc6 13.Rc1 Bd5 14.0-0 e6+=) 10.Bc4 Bc4 11.Nc4 a4 12.Nce5 c6 13.bc6 Nc6 14.Rc1 Qb6=; D) 9.Bd3 c6 (9...dc4 10.Nc4 a4 11.0-0 c6 12.Nce5 a3 13.Bc3 cb5 14.Bb5 Ne4+=; 9...a4 10.0-0 dc4 11.Nc4 c6 12.Nce5 Bd5 13.Ba3 cb5 14.Bb5 Nc6+=; 9...Nbd7 10.0-0 dc4 11.Bc4 Bc4 12.Nc4 c6 13.bc6 bc6 14.Qa4 c5+=) 10.Qa4 dc4 11.Nc4 Bd5 12.Rc1 Nbd7 13.0-0 cb5 14.Qb5 Bc6=.

6.d4 Bf5

7.Qb3 c6 8.Nc3 a5 9.b5 a4 10.Na4 Qa5 (10...cb5 11.cb5 (11.Qb5? Bd7 12.Qb7 Ra4–+) 11...Qa5 12.Nc3+=) 11.Nc3+/– Ne4 12.Be2 (12.bc6 dc4 13.Bc4 Nc6+/–) 12...Nd7 13.0-0 Nec5 (13...Ndc5!? 14.dc5 Nc3 15.Bc3 Qc3+=) 14.dc5 Nc5 15.Qd1 Bc3 16.Bc3 Qc3 17.cd5 cd5 18.Rc1 Qb4 19.Qd5 b6 (19...Rfc8 20.Rfd1+/–) 20.Nd4 Be4 21.Qc4 (21.Qe5!?+/–) 21...Qb2 22.f3 Ra4 23.Qc3 (worse is 23.fe4 Rc4 24.Bc4 Qd2-/+) 23...Qc3 24.Rc3 Bd5 (24...e5 25.Nb3 Nb3 26.ab3+/–) 25.a3+/– e5 (25...Rfa8 26.Ra1+/–) 26.Nc6 Re8 27.Rd1 Bb3 28.Rb1 (28.Rb1 Be6 29.Bd1+/–) 1–0. Choma,Juliana Luiza (1875) – Hornes,Daiane Cristiane Pr, Olimpiadas Universitarias JUBS – Fe, 2011. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d5 5.e3 0-0 6.Bb2 Bf5)

7.Qb3 Nc6 8.a3=.

7.Nc3 a5 8.b5 c6 9.bc6 bc6 (9...Nc6 10.Rc1=) 10.Bd3 (10.Ne5 Ne4=) 10...Bd3 11.Qd3 Na6 12.0-0 Nb4 (12...Qd6 13.Rfb1=) 13.Qe2+= Rb8 14.Ba3 (14.Rab1 Qc8+=) 14...Qc7 15.Rac1 Qa7 16.Rfd1 Rfc8 17.h3 e6 18.Ne5 Bf8 (18...Nd7 19.f4=) 19.c5 Nd7 20.Nf3 (20.Nd7!? Qd7 21.Na4+=) 20...Qa6 21.Kf1 (21.Qa6 Na6 22.Nd2 Nc7=) 21...Rb7 (21...Qe2 22.Ke2 Bg7 23.Kd2=+) 22.Rb1 (22.Qa6 Na6 23.Rb1 Rb1 24.Rb1 Bg7=) 22...Rcb8 (22...Qe2 23.Ne2 Bg7 24.Bb4 ab4 25.Rd3=) 23.Rb3 (23.Qa6!? Na6 24.Rb7 Rb7 25.e4=) 23...Qe2=+ 24.Ne2 Na2 25.Rb7 Rb7 26.Ra1 Nb4 27.Bb4 (27.Bc1 Nd3 28.Bd2 e5=) 27...ab4-/+ (worse 27...Rb4 28.Ra5 Rb1 29.Ne1+=) 28.Neg1? (28.Nc1!?-/+) 28...Be7 (28...b3 29.Ne2-+) 29.Ke1 (29.Ra6 b3 30.Nd2 b2-+) 29...Kg7 (29...b3 30.Rb1-+) 30.Kd1 e5! 31.Ne2 (31.de5 Nc5 Deflection; 31.Ne5 Ne5 Combination) 31...ed4 (31...Bf6 32.Ra6 ed4 33.ed4=+) 32.ed4 Bf6 (32...Nb8 33.Kc2-/+) 33.Ra6=+ Nb8 34.Ra4 (34.Rb6 Rb6 35.cb6=+) 34...Nd7 (34...b3 35.Kc1-/+) 35.Kc1 (35.Ra6 b3 36.Kc1 Rb4 37.Rc6 Rc4 38.Kb1 Rc2=+) 35...b3 (35...h5 36.Ra6 Rc7 37.Nf4=+) 36.Nf4 (36.Kb1 h6=) 36...b2 (36...h5!?-/+) 37.Kb1=+ Rb3 38.Ra2 (better 38.Ra7 Nb8 39.Ne2=) 38...g5?? (better 38...Rf3 39.gf3 Bd4-/+) 39.Nh5+= Kg6 40.Nf6 Kf6 41.Rb2 (41.Ra6 Nb8 42.Rb6 Rb5+=) 41...Rb2= 42.Kb2 h5 43.Kc3 g4 44.hg4 hg4 45.Nd2 Kf5 46.Kd3 Nf6 47.Ke3 Kg5 48.g3 Nh5 49.Nb3 f5?? (better 49...Ng7=) 50.Na5+- f4 51.gf4 Nf4 52.Nc6 Ng2 53.Ke2 Kf4?? (better 53...Nf4 54.Kd2 Kf5+-) 54.Ne7 Ke4 (54...Kg5+-) 55.c6 (better 55.Ng6 Kf5 56.Kf1+-) 55...Kd4?? (better 55...Nf4 56.Kf1 Ne6+=) 56.c7+- Nf4 57.Kf1 1-0. Georgiev,Ki (2585) - Ohanyan,Emin (2350), Titled Arena Apr 3rd, 2021. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d5 6.c4)

7.Nc3 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nc3 Bf5).

7.Nc3 e6 8.Be2 dc4 9.0-0 (9.Bc4 Qd6=) 9...Nd5 10.a3 a5 (10...Nc3 11.Bc3 Qd5 12.Rc1=) 11.b5 Nc3 12.Bc3 Qd5 13.a4 (13.Nd2 Bd3 (worse is 13...Qb5 14.e4+/–) 14.Bd3 cd3=) 13...c5 (13...c6!? 14.Nd2 Bd3 15.Bd3 cd3+=) 14.Rc1= Nd7 (14...cd4 15.Bd4 (worse is 15.Nd4 Bd3+=) 15...Rc8 16.Bg7 Kg7 17.Qe1+=) 15.Nd2 (15.dc5 Bc3 16.Rc3 Nc5 17.Rc4 Rac8+=) 15...cd4= 16.Bd4 c4 becomes the focus of attention 16...e5 17.Bc4 Qd6 18.Ba1 (18.Bc3 Nc5=) 18...Rac8 (18...Nb6 19.e4 Rfd8 20.ef5 Qd2 21.Qf3 Nc4 22.Rc4+=) 19.e4+= Be6 20.Be6 Qe6 (worse is 20...fe6 21.Nb3 Qd1 22.Rfd1 Rc1 23.Rc1+/– (23.Nc1?! Nc5=)) 21.Rc8 (21.Qb3 Qd6 22.Nc4 Qb4 23.Qb4 ab4+=) 21...Rc8 22.Nb3 b6 23.f4 ef4 24.Bg7 (worse is 24.Rf4 Ba1 25.Na1 Nf6-/+) 24...Kg7 25.Rf4 Rc4 26.Nd4 Qe7 27.Kf1 (27.Kh1!?+=) 27...Qe5-/+ 28.Ne2 Nf6 29.Kg1 Qc5 30.Kh1 Ne4 31.Qf1 Qd5 32.Qa1 (32.Ng3 Ra4 33.Ne4 Re4 34.Re4 Qe4–+) 32...Kg8 (32...f6 33.Qa3 Nc5 34.Qe3 Ra4 35.Rf1–+) 33.Rf1 Qc5 0–1. pierred (2515) – raptor (2670), net–chess.com, 2008.

7.Nbd2 Na6 A) 8.a3 A1) 8...Ne4 9.Be2 (9.Rc1 e6 10.cd5 ed5 11.Be2 c5 12.b5 Nc7 13.Ne4) 9...c5 10.cd5 cd4 11.Nd4 Qd5 12.Bc4 Qd7 13.Ne4; A2) 8...c6 9.Be2 (9.Nh4 Bg4 10.Be2 Be2 11.Qe2 Nc7 12.0-0 Ne6 13.Nhf3) 9...Nb8 10.0-0 Nbd7 11.cd5 cd5 12.Nh4 Be6 13.Rc1; A3) 8...Qd6 9.cd5 (9.Be2 Ne4 10.b5 Nb8 11.cd5 Nd2 12.Qd2 Nd7 13.0-0) 9...Qd5 10.Bc4 Qd6 11.0-0 c6 12.Qe1 b5 13.e4; B) 8.Qa4 B1) 8...Ne4 9.cd5 (9.c5 Qe8 10.Qe8 Rfe8 11.a3 c6 12.Ne4 de4 13.Ba6) 9...Qd5 10.Bc4 Qd6 11.Ne4 Be4 12.Ba3 Qf6 13.b5; B2) 8...Qd7 9.Qd7 (9.Qa5 c6 10.Ne5 Qd8 11.Be2 Qa5 12.ba5 Nb4 13.0-0) 9...Nd7 10.a3 c6 11.Be2 Nb6 12.0-0-0 Nc7 13.h3; B3) 8...c6 9.c5 (9.cd5 cd5 10.b5 Nc7 11.Rc1 a6 12.ba6 Na6 13.Qb3) 9...Nc7 10.Be2 Ne4 11.0-0 Nd2 12.Nd2 Qd7 13.Nf3; C) 8.Bc3 C1) 8...c6 9.Qb3 (9.Ne5 Nd7 10.Bd3 Ne5 11.Bf5 Nc4 12.Bd3 Nd6 13.a4) 9...Nc7 10.Ne5 Ne4 11.Ne4 de4 12.Be2 Be6 13.f4; C2) 8...Rc8 9.Qb3 (9.b5 Nb8 10.Qb3 c6 11.Be2 cb5 12.Qb5 Qd7 13.Qb3) 9...Ne4 10.Ne4 de4 11.Nh4 Bd7 12.b5 Nb8 13.g3; C3) 8...Ne4 9.Ne4 de4 10.Nh4 Bd7 11.b5 Nc5 12.Qc2 e5 13.dc5; D) 8.Qb3 D1) 8...Qd6 9.b5 (9.c5 Qe6 10.b5 Nb8 11.Be2 a6 12.Ng5 Qd7 13.Qa4) 9...Nb8 10.cd5 a6 11.Ba3 Qd8 12.ba6 Na6 13.Bc4; D2) 8...Ne4 9.cd5 (9.b5 Nb8 10.cd5 a5 11.Bc4 Nd7 12.Nh4 a4 13.Qb4) 9...Qd6 10.b5 Nb8 11.Ba3 Qd8 12.Rc1 Nd7 13.Ne4; D3) 8...c6 9.Rc1 (9.c5 Ne4 10.Ne4 de4 11.Ne5 Be5 12.de5 Be6 13.Qa4) 9...Nc7 10.Be2 a5 11.ba5 Ra5 12.c5 Ne4 13.0-0.

7.Nbd2 dc4 A) 8.Nc4 A1) 8...Qd5 9.Qb3 (9.Nce5 Qd6 10.b5 Nbd7 11.Qb3 Be6 12.Nc4 Qd5 13.Bd3) 9...Nbd7 10.Be2 Ne4 11.0-0 Be6 12.Bd3 Bf6 13.Qc2; A2) 8...a6 9.Bd3 (9.Be2 Nc6 10.a3 Qd5 11.Nfe5 Qg2 12.Bf3 Qh3 13.Nc6) 9...Bd3 10.Qd3 Nc6 11.0-0 Qd5 12.Bc3 Ne4 13.Ncd2; A3) 8...Nc6 9.a3 (9.Qb3 Nd5 10.Nh4 Qd7 11.a3 Bg4 12.b5 Nd8 13.h3) 9...Qd5 10.Nce5 Ne4 11.Bc4 Qd6 12.0-0 a5 13.b5; B) 8.Qa4 B1) 8...Nbd7 9.Nc4 (9.Qa5 c3 10.Bc3 Nb6 11.Rc1 Nbd5 12.Bc4 b6 13.Qa4) 9...Nb6 10.Qa5 Ne4 11.Be2 Nc4 12.Bc4 Qd6 13.0-0; B2) 8...Nd5 9.Bc4 (9.Nc4 Nc6 10.a3 Nb6 11.Qb3 Be6 12.Rc1 Bf6 13.Bd3) 9...Nc6 10.0-0 Nb6 11.Qb3 a5 12.b5 Nb4 13.Bc3; B3) 8...c6 9.b5 (9.Qa3 b5 10.Nh4 Be6 11.Be2 a5 12.Ndf3 Ne4 13.Rd1) 9...a6 10.b6 c3 11.Bc3 Nd5 12.Ba5 Be6 13.Bc4; C) 8.Be2 C1) 8...b5 9.Nh4 (9.a4 Nd5 10.Qc1 Nb4 11.e4 Bd7 12.ab5 Bb5 13.Nc4) 9...Bd3 10.Bd3 cd3 11.0-0 Nc6 12.Qb3 Qd7 13.Nhf3; C2) 8...c3 9.Bc3 Nd5 10.Bb2 Nb4 11.e4 Be6 12.0-0 c5 13.Nc4; C3) 8...Qd6 9.Bc4 (9.Qa4 Qa6 10.Qa6 Na6 11.a3 b5 12.Ne5 Be6 13.e4) 9...Qb4 10.Qb3 Nc6 11.0-0 Qb6 12.Ng5 Qb3 13.ab3; D) 8.Bc4 D1) 8...Nc6 9.0-0 (9.a3 a6 10.0-0 b5 11.Bb3 a5 12.Qe2 ab4 13.ab4) 9...Qd6 10.a3 a6 11.Qe2 b5 12.Bb3 Be6 13.e4; D2) 8...a5 9.Nh4 (9.b5 Nbd7 10.Nh4 Bg4 11.f3 Be6 12.Be6 fe6 13.Qb3) 9...Bg4 10.Qb3 ab4 11.h3 Bd7 12.0-0 Nc6 13.Nhf3; D3) 8...Qd6 9.b5 (9.a3 a5 10.Nh4 Be6 11.b5 Nbd7 12.0-0 Nb6 13.Be6) 9...Nbd7 10.Qb3 Nb6 11.Ba3 Qd8 12.0-0 Nc4 13.Nc4.

7.Nbd2 c6 A) 8.Be2 A1) 8...Qb6 9.a3 (9.Bc3 Nbd7 10.0-0 Qc7 11.Qb3 dc4 12.Nc4 Ne4 13.Bd3) 9...Nbd7 10.0-0 a5 11.c5 Qc7 12.Qb3 Ne4 13.Ne4; A2) 8...Nbd7 9.0-0 (9.cd5 cd5 10.Nh4 Be6 11.0-0 Qb6 12.Qa4 Ne4 13.Ne4) 9...a5 10.cd5 cd5 11.Qb3 ab4 12.Qb4 Qb6 13.Ba3; A3) 8...a5 9.b5 (9.Qb3 ab4 10.Qb4 Qc7 11.0-0 dc4 12.Nc4 Nd5 13.Qb3) 9...cb5 10.cb5 Qd6 11.a4 Rc8 12.0-0 Nbd7 13.Ba3; B) 8.Qb3 B1) 8...Nbd7 9.Be2 (9.cd5 cd5 10.Be2 Rc8 11.0-0 Bc2 12.Qa3 Nb6 13.Ne5) 9...a5 10.cd5 cd5 11.0-0 Qb6 12.ba5 Qa5 13.Bc3; B2) 8...Qb6 9.c5 (9.Nh4 Be6 10.c5 Qc7 11.Bd3 Ne4 12.Nhf3 Nd7 13.0-0) 9...Qc7 10.Nh4 Be6 11.Bd3 Ne4 12.Nhf3 Nd7 13.0-0; B3) 8...a5 9.Be2 (9.Nh4 Be6 10.Bd3 ab4 11.Qb4 Qc7 12.0-0 Na6 13.Qb3) 9...ab4 10.Qb4 Qc7 11.0-0 dc4 12.Nc4 Nd5 13.Qb3; C) 8.Rc1 C1) 8...Qd6 9.c5 (9.Bc3 Nbd7 10.Be2 Ne4 11.Ne4 de4 12.Nd2 a5 13.ba5) 9...Qc7 10.Be2 a5 11.b5 cb5 12.Bb5 Nc6 13.0-0; C2) 8...Na6 9.b5 (9.Qb3 Rc8 10.c5 Ne4 11.Be2 Bg4 12.Ne4 de4 13.Nd2) 9...cb5 10.cb5 Qb6 11.Qb3 Nc7 12.Be2 Ne6 13.Ne5; C3) 8...Qb6 9.Qb3 (9.Qa4 a5 10.Ba3 Nbd7 11.b5 Rfc8 12.bc6 bc6 13.Be7) 9...a5 10.b5 a4 11.Qa3 Nbd7 12.Be2 Rfd8 13.0-0; D) 8.Nh4 D1) 8...Bg4 9.f3 (9.Qb3 Na6 10.c5 Ne4 11.h3 Be6 12.Bd3 Nc7 13.Nhf3) 9...Bd7 10.Bd3 Qc8 11.e4 Na6 12.Qb3 de4 13.Ne4; D2) 8...Bd7 9.Bd3 (9.Be2 a5 10.a3 Na6 11.Bc3 dc4 12.Nc4 Nd5 13.Qd2) 9...a5 10.cd5 Na6 11.dc6 Nb4 12.Bg6 hg6 13.cd7; D3) 8...Be6 9.Qb3 (9.Bd3 a5 10.a3 ab4 11.ab4 Na6 12.Qb3 dc4 13.Bc4) 9...Na6 10.c5 Qc7 11.Bd3 Ne4 12.Nhf3 Qd7 13.0-0.

7.Nbd2 Nc6 8.a3 A) 8...Rb8 9.Be2 (9.b5 Na5 10.Qa4 c6 11.Be2 Nc4 12.Nc4 dc4 13.Qc4) 9...dc4 10.Nc4 Qd5 11.0-0 Ne4 12.Ncd2 Bf6 13.h3; B) 8...Qd6 9.cd5 (9.Be2 dc4 10.Nc4 Qd5 11.Ncd2 a6 12.0-0 Qd7 13.Qb3) 9...Qd5 10.Be2 Ne4 11.0-0 Bf6 12.Bc4 Qd7 13.Ne4; C) 8...a6 9.Be2 (9.cd5 Qd5 10.Be2 Ne4 11.Bc4 Qd7 12.Ne4 Be4 13.0-0) 9...dc4 10.Nc4 Ne4 11.0-0 Qd5 12.Nfe5 Rad8 13.Nc6.

7.Nbd2 Nc6 8.Qb3 e6 (8...a5 9.b5 (9.Nh4 a4 10.Qa3 Bg4 11.Bd3 dc4 12.Nc4 Nd5 13.b5) 9...Nb4 10.Rc1 dc4 (10...Ne4 11.a3 Nd2 12.Kd2 c5 13.ab4) 11.Bc4= e6 12.0-0 Qe7 13.Ne5; 8...Be6 9.b5 (9.Ng5 dc4 10.Bc4 Bc4 11.Qc4 Qd5 12.Qd5 Nd5 13.b5) 9...Na5 10.Qa4 Nc4 11.Nc4 dc4 12.Bc4 a6 13.Be6) 9.Be2+= (9.cd5 Qd5 10.Qd5 ed5 11.Rc1 Rac8 12.a3 a5 13.b5; 9.b5 Na5 10.Qa3 Nc4 11.Nc4 dc4 12.Bc4 Be4 13.0-0) 9...a5 (9...dc4 10.Nc4 (10.Qc4 Qd6 11.a3 a6 12.Ne5 Rfd8 13.Nc6) 10...Qe7 (10...Nd5 11.a3 a5 12.ba5 Na5 13.Na5) 11.b5= (11.a3 a6 12.0-0 Nd5 13.h3) 11...Nb4 12.Rc1 a5 13.ba6) 10.b5= Nb4 11.Rc1 dc4 (11...Qe7 12.c5 e5 13.a3) 12.Bc4 (12.Qc4 Rc8= (12...Nbd5 13.Ba3) 13.0-0) 12...Ne4 (12...Qe7 13.h4+= (13.0-0=); 12...Qd6 13.0-0) 13.Ne4 (13.0-0=) 13...Be4 14.Be2 (14.0-0 Bf3 15.gf3 Qg5 16.Kh1 Qh4=) 14...Rc8 (14...Nd5 15.a3+=) 15.Ba3 (15.a3 Nd5=) 15...Qd6 (15...Qd5 16.Bb4 ab4 17.Qb4 Qa2 18.Bc4=) 16.0-0= Rfd8 (16...Ra8 17.Bc4=) 17.Nd2 Bd5 18.Nc4 Qe7 19.Rb1 (19.Bb2 a4 20.Qa3 Bf8+=) 19...Bf8 (19...c5!? 20.dc5 Qc5-/+) 20.Qb2= Qg5 21.g3 Be4 (21...Qf5 22.g4 (worse is 22.Na5 Qe4 23.f3 Qe3 24.Rf2 Bg7-/+) 22...Qc2 23.Qc2 (worse is 23.Na5 Qe4 24.f3 Qe3 25.Rf2 Bg7 26.Qb4 Bd4–+) 23...Nc2 24.Bf8 Kf8 25.Rb2 Bc4 26.Bc4+=) 22.Rbd1 (22.Na5!? c5 23.Rbc1+=) 22...b6 23.Ne5 h5 24.Bf3 (better is 24.h4 Qf5 25.Bb4 ab4 26.Kh2=) 24...Bf3-/+ 25.Nf3 Qb5 26.Ne5 Qd5 27.Rc1 (27.Bb4!? ab4 28.Qb1-/+) 27...Qa2–+ 28.Rc4? (better is 28.Qa2 Na2 29.Rc2 Ba3 30.Ra2–+) 28...Qb2 29.Bb2 Bd6 (29...b5 30.Rc3–+) 30.Nf3 Ra8 (30...b5 31.Rc3–+) 31.Rb1 (31.e4 b5 32.Rc3 a4–+) 31...Ra7 (31...b5!? 32.Rc3–+) 32.Ba3 c5 33.e4 (33.dc5 Bc5 34.Kf1 Rd5–+) 33...Be7 (33...b5 34.Rc3 c4 35.Kg2–+) 34.Ne5?! (34.dc5 Bc5 35.Bb2 Rad7–+) 34...Rc7 (better is 34...Rd4 35.Rd4 cd4 36.Rd1–+) 35.Bb4 ab4 36.Rbb4 cb4 37.Rc7 b3 (better is 37...Rd4!? 38.Re7 b3 39.Rb7 (39.Nf7?? b2 40.Kg2 b1Q 41.Nh6 Kf8 42.Re6 Kg7–+; 39.Rf7?? b2 40.Kg2 b1Q–+) 39...Rd1 40.Kg2–+) 38.Rc3 (38.Re7 b2 39.Kg2 b1Q 40.Nf7 Qe4 41.Kh3 Kf8–+) 38...b2 39.Rb3 Rd4 40.Rb2 Rd1 (40...Bc5 41.Kg2–+) 41.Kg2 Bf6 (41...Bc5 42.Nc4-/+) 42.f4 Rd6 (42...Kg7 43.Rb6 Rd2 44.Kg1+=) 43.Rb5 (43.Kf3 Rc6!?+=) 43...Be5 (43...Rd2 44.Kf3-/+) 44.Re5+= Kf8 45.Kf3 (45.Rb5 Ke8+=) 45...Ke7 (45...Rd3 46.Ke2 Rb3 47.f5-/+) 46.Rb5+= Rc6 47.f5 ef5 48.ef5 g5 49.Ke4 Kf6 50.Rb4 (50.h3!?+=) 50...g4-/+ 51.Kd5? (better is 51.Rb5-/+) 51...Rc2–+ 52.Rb6 (52.Ke4 Kg5 53.Rb6 Re2 (worse is 53...Rh2 54.Rb7 Re2 55.Kd3–+) 54.Kd3 Rh2–+) 52...Kf5 53.Rb4 (53.Kd6–+) 53...Rh2 0–1. Choma,Juliana Luiza – Delai,P (2040), ch–BRA w, Americana–SP BRA, 2007. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Bf5)

7.Nbd2 Nc6 8.Bc3 A) 8...dc4 9.b5 (9.Bc4 a5 10.b5 Nb4 11.0-0 Nfd5 12.Qc1 Nb6 13.Be2) 9...Nd5 10.Qc1 Ncb4 11.e4 Nd3 12.Bd3 cd3 13.ef5; B) 8...a6 9.b5 (9.Qb3 Qd7 10.Be2 dc4 11.Nc4 Ne4 12.0-0 Qd5 13.Rac1) 9...ab5 10.cb5 Na5 11.Be2 c6 12.0-0 cb5 13.Bb5; C) 8...a5 9.ba5 (9.a3 ab4 10.ab4 Ne4 11.Ne4 de4 12.Nh4 Be6 13.b5) 9...Na5 10.c5 Nd7 11.Nh4 Be6 12.Qc2 Nc4 13.Bd3.

7.Nbd2 Nc6 8.Nh4 A) 8...Bg4 9.f3 (9.Qb3 a5 10.b5 a4 11.Qa3 Na5 12.Nhf3 dc4 13.Nc4) 9...Be6 10.b5 Na5 11.Qc2 Qd7 12.e4 c6 13.cd5; B) 8...Qd7 9.Nf5 (9.Qb3 Be6 10.Nhf3 a6 11.Be2 dc4 12.Bc4 Bd5 13.0-0) 9...Qf5 10.a3 Rfd8 11.cd5 Rd5 12.Bc4 Ne5 13.de5; C) 8...Be6 9.b5 (9.a3 dc4 10.Bc4 Bc4 11.Nc4 Qd5 12.Qb3 a5 13.0-0) 9...Na5 10.Rc1 Nc4 11.Nc4 dc4 12.Bc4 Bc4 13.Rc4.

7.Nbd2 e6 A) 8.Be2 A1) 8...a6 9.Ne5 (9.Qb3 Nc6 10.0-0 Qe7 11.c5 Ne4 12.Ne4 de4 13.Ne5) 9...Nbd7 10.g4 Be4 11.0-0 dc4 12.Nd7 Qd7 13.g5; A2) 8...dc4 9.Nc4 (9.Bc4 Nc6 10.a3 Qd6 11.0-0 a5 12.b5 Ne7 13.Re1) 9...Nc6 10.b5 Nb4 11.0-0 a6 12.ba6 Ra6 13.a3; A3) 8...Nc6 9.a3 (9.b5 Nb4 10.0-0 Qe7 11.Ne5 Bc2 12.Qc1 Ne4 13.a3) 9...Ne4 10.0-0 dc4 11.Ne4 Be4 12.Bc4 a6 13.Qe2; B) 8.h3 B1) 8...Be4 9.Ne4 (9.Be2 Nc6 10.b5 Nb4 11.Ne4 de4 12.Ne5 Nd7 13.a3) 9...Ne4 10.Qb3 Nc6 11.Bd3 a5 12.ba5 Na5 13.Qc2; B2) 8...Qe7 9.a3 (9.g4 Be4 10.g5 Nh5 11.b5 Nd7 12.Qb3 c5 13.bc6) 9...Nbd7 10.g4 Be4 11.g5 Nh5 12.Qb3 c6 13.Ne4; B3) 8...Nc6 9.a3 (9.g4 Be4 10.g5 Bf3 11.Qf3 Nh5 12.b5 Nb4 13.Kd1) 9...a6 10.Be2 dc4 11.Nc4 Qd5 12.0-0 a5 13.Nfe5; C) 8.Qb3 C1) 8...Nc6 9.cd5 (9.b5 Na5 10.Qa3 Nc4 11.Nc4 dc4 12.Bc4 Nd5 13.0-0) 9...Qd5 10.Qd5 ed5 11.Rc1 Rfc8 12.a3 a5 13.b5; C2) 8...dc4 9.Nc4 (9.Bc4 Nc6 10.0-0 Re8 11.Bb5 Qd5 12.Qd5 ed5 13.Rfc1) 9...Nbd7 10.Be2 Nb6 11.Nce5 Nbd5 12.h3 Qe7 13.b5; C3) 8...a5 9.b5 (9.cd5 ed5 10.b5 Nbd7 11.Bd3 a4 12.Qa3 Ne4 13.0-0) 9...Nbd7 10.Be2 Ne4 11.0-0 Ndf6 12.Rad1 a4 13.Qa3; D) 8.b5 D1) 8...Re8 9.Be2 (9.h3 Nbd7 10.Be2 dc4 11.Nc4 a6 12.ba6 Ra6 13.0-0) 9...a6 10.a4 dc4 11.Nc4 Qd5 12.Nh4 ab5 13.ab5; D2) 8...Nbd7 9.Be2 (9.cd5 ed5 10.Be2 Ne4 11.0-0 Re8 12.Rc1 Nec5 13.Ba3) 9...Ne4 10.0-0 Ndc5 11.cd5 Qd5 12.Bc4 Qd7 13.Ba3; D3) 8...a6 9.Nh4 (9.cd5 ed5 10.Ne5 ab5 11.Bb5 Nbd7 12.Nd7 Bd7 13.Bd3) 9...Bg4 10.Qc2 Ne8 11.g3 ab5 12.h3 Bh5 13.cb5.

7.Be2 Nc6 8.a3 a6=.

7.Be2 Nc6 8.a3 dc4 9.Bc4 e5 10.d5 Ne7 11.Be5 Ned5 12.0-0 c6 13.Qb3 Qe7 14.Bd4 Rfd8 15.Nbd2 Nb6 16.Be2 Ne4 17.Ne4 Bd4 18.Nd4 Be4 19.Rac1 Bd5 20.Qb2 Qh4 21.Nf3 (21.Rfd1 Rd7+=) 21...Qe7 (21...Bf3 22.Bf3 Nc4 23.Qc3=) 22.Ne5 Qh4 23.Bf3 Bf3 24.Nf3 Qe7 25.Rfd1 Rd1 26.Rd1 Rd8 27.Rd4 Rd4 28.Nd4 Qe5 29.h3 Qd5 30.Qc3 Qa2 31.Nf3 Qb1 ½–½. Lipinski,Georg – Kuehler,Wolfgang, Kiel op, 1965. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.e3 Bf5)

7.Be2 Nc6 8.Qb3 (8.a3 a6=) 8...a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 dc4 12.Bc4 Qd6 13.Bc3 Ne4 14.b5 Nc3 15.Nc3 (15.Bf7 Rf7 16.bc6 A) 16...Nb1?? 17.cb7 Be6 18.b8Q Rf8 19.Qb1 Rb8 20.Qb8 Bf8 21.0-0+–; B) 16...Bb1?? 17.cb7 Nd5 18.b8Q Rf8 19.Q8b7+– (worse is 19.Qb1 Rb8 20.Qb8 Bf8+–); C) 16...Qc6 17.Nc3 Be6-/+) 15...Na5 16.Qa2?? (better is 16.Qa4 Nc4 17.Qc4+=) 16...Qb4–+ (16...Qb4 17.0-0 Qc3–+ (17...Qc4?! 18.Qa5 c5 19.bc6=; 17...Nc4 18.Nd5 Qb5 19.Ne7 Kh8 20.Nf5 gf5 21.Rc1–+); 16...Nc4?! 17.Qc4 Bg4 18.Ng5=) 0–1. Choma,Juliana Luiza – Cavalcanti,F (2285), Pre–Olym Tourn, Belo Horizonte BRA, 2004. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Bf5)

6.d4 Bg4

7.Nc3 dc4 8.Bc4 c6 9.h3 Bf5 10.0-0 Ne4 11.Ne4 Be4 12.Nd2 Bd5 13.e4 Bc4 14.Nc4 Nd7 15.a4 Nb6 16.Ne3 Nd7 17.Qe2 Nf6 18.Nc4 Nd7 19.a5 a6 20.e5 Qc7 21.Rfc1 Rad8 22.Ra3 Rfe8 23.e6 Nf6 24.ef7 Kf7 25.Rf3 e6 26.Qe5 Qd7 27.Nd2 Qd5?? 28.Ne4+– 1–0. Rooijen Van,Peter (1610) – Gomez,Alberto, 52. LSS No Engine Cup Preliminary, 2011.

7.Nc3 dc4 8.Bc4 Nbd7 9.0-0 e5 10.de5 Bf3 11.Qf3 Ne5 12.Qe2 Nc4 13.Qc4 Qe7 14.Ne2 Rfd8 15.Nd4 Nd5 16.b5 Qb4 17.Qe2 Nf4 18.ef4 Bd4 19.Rab1 (19.Bd4!? Rd4 20.Rac1=) 19...Bb2+= 20.Rb2 Qf4 21.g3 Qd4 22.Rc1 Re8 23.Qc2 Rad8 24.Rb3 Rd7 25.Rc3 Ree7 26.Rc4 Qb6 27.a4 h5 28.Rd1 Qe6 29.Rc1 a6 30.ba6 Qa6 31.Qb2 c6 32.g4 (32.Qc3 Re2-/+) 32...hg4 33.h3 Qa5 (33...gh3?! 34.Rh4 f6 35.Qf6=) 34.hg4 Re1 35.Kg2 Qd5 36.f3 Re3 37.Rf4 Rde7 38.Rc2 Qd3 39.Kg3 Re1 (39...Qf1!? 40.Rc1 Re1 41.Rd4 Qg1 42.Kh3 Qh1 43.Kg3–+) 40.Rd2 Rg1 41.Kh2 Qe3?? (better is 41...Rb1 42.Rd3 Rb2 43.Kg3 Kg7-/+) 42.Rd8+– Re8 43.Re8 Qe8 44.Kg1 (better is 44.Re4 Qe4 45.fe4 Rg4 46.Qb7 Re4 47.Qc6 Re2 48.Kg3+–) 44...Qe3-/+ 45.Kg2 Qf4 46.Qb7 Qa4 47.Qb8 Kh7 48.Qh2 Kg7 49.Qe5 Kh6 (49...Kf8 50.Qb8 Ke7 51.Qc7 Ke6 52.Qc8 Kf6 53.Qd8 Kg7 54.g5-/+) 50.Kg3 (50.Qh8!? Kg5 51.Qe5 Kh6 52.Qh8 Kg5 53.Qe5 Kh6=) 50...Kh7-/+ 51.Qe8 Qc4 52.g5 Qd5 53.f4 c5 54.Qe2 c4 55.Qh2 Kg8 56.Qc2 Qd4 57.Kf3 c3 58.Qc1 (better is 58.Qe2–+) 58...Qd3 59.Kf2 c2 60.Ke1 Qg3 61.Ke2 Qc3 62.Kf2 Kf8 63.Ke2 Ke7 64.f5?? (64.Kf2 Qd4 65.Ke2 Qc4 66.Kf2 Ke6–+) 64...Qe5 (better is 64...gf5 65.g6 fg6 66.Qg5 Kf7–+) 65.Kd2 Qf5 66.Qa3 Ke8 67.Qa8 Ke7 68.Qa3 Ke6 69.Qa6? (69.Qe3 Kd5 70.Qg3–+) 69...Ke5 70.Qa7 Qg5 (better is 70...Kf4 71.Qa1–+) 71.Kc2 Qg2 72.Kd1 Qd5 73.Ke1 Qe4 74.Kf1 Qf4 75.Kg2 Qd2 76.Kh1 Qd5 77.Kh2 g5 78.Qe7 Kf5 79.Qa3 g4 80.Qb2 (80.Kg1–+) 80...Qe5 (80...Qe5 81.Qe5 Ke5–+) 0–1. Thomas,William (1995) – Lacroix,Serge (2140), Montreal Bolduc–B 3rd, 2004. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d5 6.e3 Bg4)

7.Nc3 Nbd7 8.cd5 Nb6 (8...a5 9.b5+=) 9.e4 c6 (9...a5 10.b5+/–) 10.dc6+/– bc6 11.h3 (11.Be2 Bf3 12.Bf3 Nc4+/–) 11...Bf3 12.gf3 (12.Qf3?! Qd4 13.a3 Ne4 14.Qe4 Qe4 15.Ne4 Bb2=+) 12...Nh5 13.Ne2 Nc4 (13...Nc4 14.Bc3 a5+/–). pcmvr (2225) – bobbs (2320), net–chess.com, 2006.

7.c5 Nbd7 8.Be2 a5 9.a3 c6 10.0-0 b6 11.Nbd2 Rb8 12.Bc3 ab4 13.ab4 bc5 14.bc5 e5 15.Ne1 Be2 16.Qe2 Re8 17.Qd1 ed4 18.ed4 Ne4 19.Ne4 Re4 20.Qd2 Qe8 21.Nc2 Re2 22.Rfe1 Rd2 23.Re8 Re8 24.Bd2 Nc5! 25.dc5? (better is 25.Be3-/+) 25...Ba1–+ 26.Na1 Rb8 27.Kf1 Rb1 (27...Rb1 28.Ke2 Ra1–+) 0–1. Briceno Ochoa,Jose Antonio – Hartman,Sergio, Sinergia, 2000. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d5 6.e3 Bg4)

7.Nbd2 a5 8.b5 dc4 9.Bc4 c6 10.a4 Qd7 11.0-0 Be6 12.Qb3 Bc4 13.Qc4 cb5 14.ab5 Qd5 15.Qd3 Nbd7 16.e4 (16.Rfc1 e6+=) 16...Qh5 (better is 16...Nc5!? 17.Qc4 Qc4 18.Nc4 Nd3=+) 17.Ba3+= Rfe8 18.h3 Nb6 19.Rac1 Rac8 20.Ne5 e6 21.g4 Qh6 22.Kg2 Nfd7 23.f4 Ne5 24.de5 Bf8 25.Bb2 Bb4 26.Rc8 Rc8 27.Nb3 a4 28.Bd4 ab3 29.Bb6 Rc2 30.Kg1 Qh4 31.Bf2?? Qh6 32.Qb3+/– Rc3 33.Qb4 Rh3 34.Qd6?? Rh1 35.Kg2 Qh3 0–1. futsalboy (1635) – amadeus1, kurnik, 2011.

7.Nbd2 a5 8.b5 c6 9.a4 Ne4 10.Qb3 Nd2 11.Nd2 dc4 12.Bc4 cb5 13.ab5 Nd7 14.0-0 Nb6 15.Bd3 Be6 16.Qa3 Nd5 17.Rfc1 b6 18.g3 Nb4 19.Bf1 Rc8 20.Nc4 Bd5 21.Ne5 Nc2 22.Qd3 Na1 23.Rc8 Qc8 24.Ba1 Qc1 25.e4 Qa1 26.ed5 Be5 27.de5 Qe5 28.h3 Rc8 29.Bg2 Rc5 30.Kh2 h5 31.h4 Qb2 32.Qe4 Kf8 33.Qe3 Rb5 34.d6 ed6 35.Bc6 Re5 36.Qh6 Ke7 37.Kg2 Rf5 38.Qe3 Kd8 39.Qe8 Kc7 40.Qd7 Kb8 41.Qb7 1–0. carocan (1820) – paw888 (1750), kurnik, 2012.

7.Nbd2 c6 8.Be2 a5 9.b5 cb5 10.cb5 Nbd7 11.a4 Rc8 12.0-0 Qb6 13.Ba3 Rfe8 14.Rc1 Rc1 15.Qc1 e5 16.de5 Ne5 17.Bc5 Qd8 18.h3 Bf3 19.Nf3 Ne4 20.Ne5 Be5 21.Ba3 d4 22.Bd3 Nc3 23.Qc2 de3 24.fe3 Qd5 25.Bb2 Rc8 26.Rc1 Rc5 27.Bc3 Rc3 28.Qc3 Bc3 29.Rc3 Qd6 30.Rc8 Kg7 31.Bc2 f5 32.Kf2 h5 33.h4 Qd7 34.Rc5 f4 35.Ke2 Qg4 36.Kd3 Qg3 37.Rc7 Kh6 38.Rb7 fe3 39.Bd1 e2 40.Ke2 Qg2 0–1. Bendig – Nicholls, corr ICCF EU–I–1749 1993–94.

7.Nbd2 Nc6 8.Be2 e6 9.0-0 (9.b5 Na5=) 9...Re8 (9...Nb4 10.Qb3 Qe7 11.cd5 Nfd5 12.a3=) 10.h3 Bf3 11.Nf3 Ne4 (11...Nb4 12.Qa4 Qe7 13.Rfb1=) 12.Qc1 (12.b5 Na5 13.Qc2 c6+=) 12...Ne7 (better is 12...Nb4!? 13.a3 Nc6+=) 13.Bd3+= f5 14.Be4 fe4 15.Nd2 c6 16.c5 Rf8 17.Re1 Nf5 18.Nf1 Qg5 19.Re2 Rf7 20.Qd2 Raf8 21.Rae1? (better is 21.Qc3+=) 21...Nh4–+ 22.Ng3 Nf3 23.gf3 ef3 24.e4 (24.Kh2 Qf6–+) 24...Qh4 25.Kh2 g5 (25...g5 26.Nf5 ef5–+) 0–1. Bradley,R – Humphrys,Denis W, BPCF corr, 1993. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.e3 d5 5.b4 0-0 6.Bb2 Bg4)

7.Nbd2 e6 8.h3 Bf3 9.Nf3 c6 10.Be2 Nbd7 11.0-0 Qc7 12.Rc1 b6 13.cd5 Nd5 14.a3 Qb7 15.g3 N7f6 16.Ne5 Rac8 17.Bf3 Nd7 18.Nc4 a6 19.Nd6 Qc7 20.Nc8 Qc8 21.e4 Ne7 22.Qc2 Nb8 23.Rfd1 Qb7 24.a4 b5 25.a5 Rd8 26.g4 Bh6 27.Rb1 Nd7 28.h4 Bg7 29.g5 h6 30.Rbc1 h5 31.d5 Bb2 32.Qb2 cd5 33.ed5 Nd5 34.Bd5 ed5 35.Qd4 Nf8 36.Rc5 Ne6 37.Qf6 Qa8 38.Rc6 Qc6 0–1. barborski – sailstudiopl, kurnik, 2012.

7.Nbd2 Bf3 8.Nf3 Nbd7 9.a4 Re8 10.Be2 dc4 11.Bc4 Nb6 12.Be2 Nbd5 13.Qb3 c6 14.0-0 Nd7 15.Rac1 e5 16.b5 ed4 17.Nd4 c5 18.Qd5 cd4 19.Bd4 Bd4 20.Qd4 Nb6 21.Qb4 f5 22.Rfd1 Qe7 23.Qe7 Re7 24.a5 Na4 25.Rd4 Re4 26.Rcc4 Rd4 27.Rd4 Nc3 28.Bc4 Kf8 29.f3 Ke7 30.Kf2 Rc8 31.Ke1 Na4 32.Kd2 b6 33.ab6 ab6 34.Bd5 Nc5 35.Ke2 Rd8 36.Bc6 g5 37.Rd8 Kd8 38.g3 Ke7 39.e4 fe4 40.fe4 h5 41.Ke3 Kf6 42.h4 gh4 43.gh4 Ke5 44.Be8 Nb3 45.Bh5 Nd4 46.Be8 Nc2 47.Kd3 Ne1 48.Ke2 Ng2 49.Bc6 Nf4 50.Kf3 1–0. carocan (1825) – paw888 (1745), kurnik, 2012.

7.cd5 Nd5 8.a3 a5 9.Nc3 e5 10.Nd5 Qd5 11.de5 Bf3 12.Qf3 Qb3 13.Qe2 (better is 13.Bd4 c6 14.Qd1+/–) 13...ab4-/+ 14.ab4?? (better is 14.a4!?-/+) 14...Ra1 (better is 14...Rd8 15.f4 Qb4 16.Kf2 Ra1 17.Ba1 Rd2–+) 15.Ba1 Qb4?? (better is 15...Rd8 16.Bd4 Qb4 17.Qd2 Qd2 18.Kd2 c5–+) 16.Qd2= Qb1 17.Qd1 Qb4 18.Qd2 Nc6 19.Qb4 Nb4 20.Bc3 Nc6 21.f4 Ra8 22.Bc4 Ra3 23.Kd2 Kf8 24.Ra1 Ra1 25.Ba1 Ke7 26.Bd5 Nd8 27.Bd4 c6 28.Bc5 Kd7 29.Bb3 f6 30.ef6 Bf6 31.e4 Be7 32.Bd4 c5 33.Bc3 b5 34.Bg8 h6 35.Bh7 g5 36.f5 Nf7 37.e5 b4 38.e6 Kc6 39.Bg7 Nd6 40.f6 Ne4?? 41.Be4+– Kb5 42.fe7 (42.fe7 g4 43.e8Q Ka5 44.Qa8 Kb6 45.Qc6 Ka5 46.Be5 c4 47.Bc7) 1–0. ludice (1760) – atahander (1675), kurnik, 2011.

7.Be2 dc4 8.Bc4 c6 9.Nbd2 Nbd7 10.a4 Qc7 11.Qb3 e6 12.0-0 a6 13.h3 Bf3 14.Nf3 b5 15.Be2 Qb6 16.a5 Qc7 17.Rac1 Rac8 18.Rc2 Qd6 19.Rfc1 Nd5 20.Ba3 Rfe8 21.Nd2 e5 22.de5 Ne5 23.Ne4 Qe7 24.Nc5 Ra8 25.e4 Nf4 26.Bf1 Nd7 27.g3 Ne6 28.Nd7 Qd7 29.Rc6 Nd4 30.Qd5 Qd5 31.ed5 Nc6 32.dc6 Rac8 33.Bg2 Rc7 34.Rc2 Bd4 35.Bb2 Bb2 36.Rb2 Ree7 37.Rd2 h5 38.h4 Kg7 39.Kf1 f6 40.Rd6 Kf7 41.Bd5 Kg7 42.Kg2 g5 43.Kf3 Re5 44.hg5 fg5 45.Be4 h4 46.gh4 gh4 47.Kf4 Ree7 48.f3 Rf7 49.Kg4 Rf6 50.Rf6 Kf6 51.Kh4 Ke5 52.Kg4 Kd4 53.Kf5 Kc4 54.Ke6 Kb4 55.Kd6 Rc8 56.c7 Ka5 57.Bf5 Rc7 58.Kc7 b4 59.Be6 Kb5 60.f4 a5 61.f5 a4 62.f6 b3 63.f7 b2 64.Ba2 Kb4 65.f8Q Kc3 66.Qf7 Kd2 67.Qc4 Ke3 68.Qa4 Kf3 69.Qb3 Kf2 70.Qb2 Kg3 71.Qc3 Kg4 72.Qd2 1–0. carocan (1800) – paw888 (1770), kurnik, 2012.

7.Be2 c6 8.0-0 Nbd7 9.h3 Bf3 10.Bf3 e5 11.de5 Ne4? (11...Ne8 12.cd5 Ne5 13.Nc3+=) 12.Be4 (better is 12.cd5 Ng5 13.Be2 Ne5 14.Qc2+–) 12...de4+= 13.Qc2 Ne5 14.Nc3? Nc4 15.Rad1 Qe7 16.Rd4?? Nb2 17.Qb2 Bd4 18.ed4 f5 19.Re1 Rad8 20.f3 Rd4 21.Ne2 Qb4 22.Qd4 Qe1 23.Kh2 Qe2 (23...Qe2 24.fe4 f4–+) 0–1. mihai740609 – arutua (1605), kurnik, 2011.

7.Be2 c6 8.c5 b6 9.0-0 bc5 10.bc5 Ne4 11.Nc3 Nc3 12.Bc3 Nd7 13.Rc1 Rb8 14.h3 Bf5 15.Ne5 Ne5=+ 16.de5 Qc7 17.f4 Rb7 18.Bd3 Bd3 19.Qd3 Rfb8 20.e4 e6 21.Qg3 Rb5 22.f5 ef5 23.ef5=+ Rc5 24.f6 Bf8 25.Qe3 Rc4 26.Qg3 Qb6 27.Kh1 Qc5 28.Bd2 Rb2 29.Bf4 Ra2–+ 30.h4 Rac2 31.Rc2 Rc2 32.h5 Rc3 33.Qg4 Rc4 34.hg6 hg6-/+ 35.e6 Rf4 36.ef7 Kf7-/+ 37.Qf4 d4 38.Qc7 Kg8 39.f7 Kg7 40.Qf4 d3 41.Qf6 Kh7 42.Rf3 d2?? 43.Rh3+– Bh6 44.Rh6! Kh6 45.f8Q Qf8 46.Qf8 Kh7 47.Qd6 a5 48.Qd2 a4 49.Qb4 a3 50.Qa3 Kh6 1–0. dannyboy238 – DanielMartin, ChessWorld.net, 2004.

7.Nbd2 Nbd7

8.Qb3 c6 9.h3 Bf3 10.Nf3 e6 11.Be2 Ne4 12.0-0 Qc7 13.Rfd1 a6 14.Rac1 Rac8 15.a4 Ndf6 16.b5 ab5 17.cb5 Qd7 (better is 17...Qb6!?+=) 18.Ba3+/– Rfd8 19.Ne5 Qe8 20.Nd3 (better is 20.bc6!? bc6 21.Ba6+–) 20...cb5+= 21.ab5 Nd6 22.b6 Nc4 23.Bc5 Ra8 24.Ra1 Ra1 25.Ra1 Ra8 26.Ra7 Na5?? 27.Qb4 Nc6= 28.Qa3 Na7-/+ 29.ba7 Nd7 30.Qa5 Bf8 31.Bf8 Kf8 32.Nc5?? Nc5 33.Qc5 Qe7 34.Qb6 Kg7 35.Bf3 Qd7 36.e4 Qc6 37.Qb2 de4?? 38.d5+– (38.d5 Kh6 39.dc6 bc6 40.Qd2 Kg7 41.Be4+–) 1–0. carocan (1755) – wade1, kurnik, 2011.

8.Qb3 e5 9.de5+/– Ne4 10.cd5 Nd2 11.Nd2 Be5 12.Be5 Ne5 13.h3 Bd7 14.Be2 f5 15.0-0 Kg7? (better is 15...Qf6+–) 16.Qc3 Qf6 17.Rac1 c6 18.dc6 Bc6 19.b5 Bd5 20.a4 Rac8 21.Qb4 Rc1 22.Rc1 f4 23.ef4 Qf4+/– 24.Qf4 Rf4 25.f3 Ra4= 26.Rc5 Rd4 27.Nf1 b6 28.Rc7+/– Kh6 29.Ne3 Bc4?? 30.Bc4 Nc4 31.Nc4 Rd1 32.Kh2 Rc1 33.Rc6 Kg5 34.Ne5 Rc6 35.bc6 1–0. futsalboy (1750) – zito86 (1700), kurnik, 2011.

8.Rc1 e6 9.Qb3 b6 (9...a5 10.ba5 Ra5 11.Be2=) 10.c5 (10.cd5!? ed5 11.Ba6+=) 10...bc5= 11.bc5 Rb8 12.Qc2 Bf3 13.Nf3 Ne4 14.Bd3 (14.c6 Ndf6 15.Ba3+=) 14...Ndf6 (better is 14...Ndc5 15.Be2 Nd7-/+) 15.Ne5+/– Qe8 (15...Nc5 16.dc5 (16.Qc5?! Rb2 17.Qa7 Ne8=) 16...Ng4 17.f4+/– (worse is 17.Ng4 Rb2 18.Qa4 f5+=)) 16.Ba3+– c6 (better is 16...Bh6+–) 17.Be4?? (better is 17.f3+–) 17...Ne4= (worse is 17...de4 18.0-0+/–) 18.0-0 Be5 19.de5 Rb5? (19...Qd8 20.Bb2 Qa5=) 20.Qa4?? (better is 20.f3 Ra5 21.Qd3 (worse is 21.fe4 Ra3 22.Qd2 Qe7+=) 21...Ra3 22.Qa3+–) 20...Qb8 21.Qa6 (better is 21.Qd4!? f6 22.ef6+=) 21...Nd2–+ 22.Rfd1 (22.Qc6? Nf1 23.Rf1 Ra5–+) 22...Ne4?? (22...Nc4 23.Rc4 dc4 24.Qa4–+) 23.g3?? (better is 23.f3 Ng5 24.Qc6+/–) 23...Qe5-/+ 24.Qc6 Rbb8 (24...Ra5 25.Bb4 Ra2 26.Be1–+) 25.f3? (better is 25.Qa6=) 25...Ng5 26.Kg2 Qf5 (better is 26...Qe3 27.Rf1 Qa3–+) 27.Rf1=. slavisa99 – Irina, Live Game Caissa's Web, 2004. (=1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.d4 0-0 5.c4 d5 6.Nf3 Bg4 7.Nbd2 Nbd7)

8.Bd3 dc4 9.Nc4 Nd5 10.Qb3 Bf3 11.gf3 e5 12.Ne5 Nb4 13.Be4 Qe7 14.Nd7 Rfd8 15.Nc5 a5 16.a3 Nc6 17.Nb7 a4 18.Qc2 Nd4 19.Bd4 Rd4 20.ed4 Bd4 21.Rd1 Be5 22.Qc5 Qf6 23.Ke2 Qa6 24.Rd3 1–0. Vater – Darnstadt, corr DDR 1988.

8.h3 Bf5 9.cd5 Nb6 (worse 9...Nd5 10.e4+-) 10.g4 Be4 11.Ne4 Ne4 12.Bd3 Qd5 13.Qb3 Qb3 14.ab3 Nd6 15.e4 Rfd8 16.b5 Ne8 17.Ke2 h6 18.Ra2 f6 (18...Nc8!?+=) 19.Rha1+/- Nc8 20.Bc4 Kh7 21.e5 Kh8 22.Be6 c6 23.bc6 bc6 24.Bf7 Kh7 25.Rc1 Nc7 26.Rc6 Nb5? (better 26...Nd5 27.Bd5 Rd5+-) 27.Bc4 (27.Bc4 Rb8 28.Ra5+-) 1-0. marekt (1985) - doctorfeelgood (1690), gameknot.com, 2014.

7.Nbd2 Ne4

8.Qb3 Nd2 9.Nd2 c6 10.Bd3 Na6 11.0-0 Nc7 12.a4 e6 13.b5 Qg5 14.Kh1 Rad8 15.f4 Qh5 16.Ba3 Rfe8 17.Nf3 dc4 18.Bc4 Nd5 19.Bd5 ed5 20.bc6 bc6 21.Ne5 Bf5 22.Nc6+/– Rc8 23.Rac1 Be4? 24.Ne7+– Kh8 25.Nc8 Qg4 26.Rf2 Rc8 27.Rc8 Qc8 28.Bc5 h5 29.h3 Qh3 30.Kg1 Qg4 31.Ba7 h4 32.Qb2 h3 33.Bc5 Bf6 34.Kh2?? Bh4–+ 35.Rc2?? Bg3 36.Kg1 Qd1 0–1. carocan (1855) – trabala (1940), kurnik, 2011.

8.Rc1 Nd2 9.Qd2 Bf3 10.gf3 c6 11.h4 h5 12.f4 a5 13.f5 ab4 14.fg6 fg6 15.Qb4 Ra2 16.Rg1 Na6 17.Qb3 Qa5 18.Bc3 Qa4 Attacking the backward pawn on f2 19.Qa4 Ra4 20.cd5 Bf6 (better is 20...cd5!? 21.Rg6 Rc8+/–) 21.dc6+– bc6 22.Rg6 Kf7 23.Rh6 Bh4 24.Rc6 (24.Rh5?! Bf2 25.Ke2 Bg3+/–) 24...Nb8 25.Bc4 Kg7 26.d5 Kh7?? (better is 26...Bf6 27.Bf6 ef6 28.Rc7 Kg6+–) 27.Bd3 Kg8 28.Rg6 Kf7 29.Rg7 Ke8 30.Bb5 Kd8 (30...Nd7 31.Ba4 Rf2+–) 31.Ba4 Rf2 32.Kd1 (32.Ba5) 32...Rf3 (32...Rf1 33.Kd2 Rc1 34.Rg8 Kc7 35.Be5 Kb6 36.Rb8 Kc5 37.Kc1 Kd5 38.Rb5 Kc4+–) 33.Rg8 1–0. Gofman,Albert – Reppert,Victor (1780), 5. LSS No Engine Cup Preliminary, 2009. (=1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.c4 0-0 6.Bb2 Bg4 7.Nbd2 Ne4)

8.Qc2 Nd2 9.Nd2 Bf5 10.Bd3 Bd3 11.Qd3 c6 12.0-0 Nd7 13.cd5 cd5 14.Rfc1 Nb6 15.a4 Qd7 16.Qb3 Rfc8 17.Rc5 e6 18.a5 Rc5 19.bc5 Nc8 20.a6 ba6 21.Ra6 Qc7 22.Bc3 Ne7 23.Qa4 White intends c6 23...e5 24.Ba5 Qb7 25.Rd6 ed4 26.c6 (better is 26.ed4!? Nf5 27.c6=) 26...Qa6-/+ 27.ed4 Rc8 28.h3 Nc6 29.Rd5 Na5 30.Ra5 Qe2 31.Nf3 Rc2 32.Kh2 Bf8 (32...Qf2 33.Rg5 Qf3 34.Qc2 Qf4 35.Kh1 Qg5 36.Qc5–+) 33.Rg5 (33.Ra7?? Qf2 34.Qc2 Bd6 35.Kh1 Qc2–+) 33...Qf2 34.Ne5?? (better is 34.Rg3–+) 34...Qf4 35.Rg3 Rc3 (35...Rc3 36.Nf3 Bd6 37.Qe8 Kg7–+) 0–1. Hickl,Thomas (2235) – Fette,Martin (2235), Bundesliga, 1981. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d5 6.e3 Bg4 7.Nbd2 Ne4)

8.Be2 dc4 9.Nc4 b5 10.Ncd2 Nd2 11.Nd2 Be2 12.Qe2 c6 13.0-0 Nd7 14.Rac1 Rc8 15.Qf3 Qb6 16.Rc2 Nf6 17.Rfc1 Nd5 18.a3 Rc7 19.Ne4 Rfc8 20.Nc5 a5 21.e4 Nf6 22.d5 cd5 23.ed5 ab4 24.ab4 Qd6 25.Rd1 Rc5 26.bc5 Rc5 27.Rc5 Qc5 28.Bf6 Bf6 29.g3 b4 30.Qb3 Bc3 31.h4 Bd4 32.Rd2 Qc1 33.Rd1 Qc5 34.Rf1 Bc3 35.Kg2 Qd4 36.Rd1 Qc5 37.Rd3 Qa5 38.d6 ed6 39.Rd6 Qa8 40.Qd5 Qd5 41.Rd5 b3 42.Rb5 b2 43.Kf3 Kg7 44.Ke2 Kf6 45.f3 Ke6 46.g4 Kd6 47.h5 Kc6 48.Rb3 1–0. barborski – hecio01, kurnik, 2012.

8.Be2 Nd2 9.Nd2 Be2 10.Qe2 (< 10.Ke2 dc4 11.Nc4 Qd5-/+) 10...dc4 11.Nc4 Nd7 12.0-0 c6 13.Rac1 Nb6 14.Na5 Rb8 15.Rfd1 Qd6 16.a3 Rfd8 17.Nb3 e6 18.Nc5 Nd7 19.e4 Nc5 20.dc5 Qe7 21.Bg7 Kg7 22.Qb2 e5 ½–½. Schoeneberg,Manfred – Vogt,Lothar, DDR–ch, 1971.

6.cd5 Qd5

7.a3 Nc6 8.Be2 a6 9.d4 Ne4 10.0-0 Bg4 11.h3 Bf3 (11...Be6!?=) 12.Bf3+/– f5 (12...Rad8!?+/–) 13.Nc3+– Qc4 14.Ne4 fe4 15.Be4 Rad8 (15...a5 16.Rc1 Qa2 17.Qe2 ab4 18.ab4+– (worse is 18.Bc6 ba3 19.Bb5 e6+–)) 16.Rc1 Qe6 17.Qc2 Qd6 (17...Rd6 18.Qc4 Qf7 19.Qf7 Kf7 20.Bc6 bc6 21.Rc5+–) 18.Bc6 bc6 19.Qc6 Rc8 20.Rc5 Qf6 21.Qf6 ef6 22.Rfc1 f5 23.Rc7 Ra8 24.Rd7 Rfd8 25.Rd8 Rd8 26.Kf1 Rd5 27.Rc6 a5 28.Rc5 (28.Rc5 Rd7 29.Ra5+–) 1–0. Woelfelschneider,Peter – Bellan, 2009.

7.Nc3 Qd7 8.b5 b6 (8...a6 9.Qa4=) 9.Be2 Bb7 10.a4 c6 11.0-0 cb5 12.ab5 Nd5 13.d4 Nc3 14.Bc3 Qd5 15.Qc2 Nd7 (15...Rc8 16.Rfc1+=) 16.Bb4 (16.Ra3 e5+/–) 16...Rfe8 (16...Rfc8 17.Qa2 e5 18.Qd5 Bd5 19.Rfc1+=) 17.Bc4 Qh5 18.Qb3 e6 19.Be2 Nf6 20.Qd1 (20.Rfc1 Rec8+/–) 20...Ng4 21.h3 Bf3? (better is 21...Nf6+=) 22.Bf3+– (22.gf3?! Nf6 23.Kh2 Nd5=; 22.hg4?! Be2 23.gh5 Bd1 24.Rfd1 Red8=) 22...Ne3? (22...Qb5 23.Ba8 (23.hg4?! Qb4 24.Ba8 Ra8+/–) 23...Ra8 24.Qf3+– (24.hg4?! Qb4 25.Qf3 Qf8+–)) 23.Bh5 (better is 23.fe3 Qb5 24.Ba8 Ra8 25.Qf3+–) 23...Nd1 24.Bd1 (worse is 24.Rad1 gh5 25.d5 ed5 26.Rd5 a5 27.ba6 Ra6+=) 24...Bd4 25.Bf3 (better is 25.Ra6 e5 26.Re1+–) 25...Rad8? (better is 25...Ba1 26.Ba8 Bf6+–) 26.Bc6 (26.Ra7 Kg7+–) 26...Ba1 27.Be8 (27.Ra1!? f5+–) 27...Re8 (27...Bb2 28.Rb1 Re8 29.Rb2+–) 28.Ra1 e5 1–0. GuestNCRJ – GuestWDSC, freechess.org, 2017.

7.Nc3 Qh5 8.Be2 Bg4 9.h3 e5? 10.0-0 (10.Rh2 Bc8 11.g4 Ng4 12.hg4 Qg4+-) 10...Bh3 (better 10...Bd7+=) 11.Nh2?? (better 11.gh3 e4 12.Ne1 Qh3 13.f3+/-) 11...Qg5-/+ 12.Bf3 e4 (better 12...a5!?-/+) 13.Ne4=+ Ne4 14.Be4 Bb2 15.Bb7? (better 15.Rb1 Bg2 16.f4=+) 15...c6?? (better 15...Ba1 16.Qf3 Bc8 17.Bc8 Rc8 18.Qa8 Bg7-+) 16.Qf3+= Ba1 17.Ra1 Bg2 18.Qg2 Qg2 19.Kg2 Nd7 20.Ba8 Ra8 21.Rc1 Rb8 (21...a5 22.a3=) 22.a3 Rb6 23.Nf3 Kg7 24.Nd4 Ne5 (better 24...Nb8!?+=) 25.f4+- Nd3 26.Rc6 Rb7 27.Kf3 Nb2 28.Ke4 (28.Rc2 Na4+-) 28...Na4 29.Ra6 Nb6 30.Nc6 Nc8 31.a4 h5 32.Kf3 Rc7 33.b5 Nb6? (33...f6 34.d4+-) 34.Ra7 (better 34.Na7!? Nc4 35.Ke2 h4+-) 34...Ra7 35.Na7 Na4 36.Nc8 Kf6 37.b6 Nc5 38.d4 Nd7 39.b7 Ke6 40.e4 f6 41.d5 Kf7 42.Nd6 Ke7 43.Nc4 Kd8 44.e5 fe5 45.fe5 Kc7 46.e6 Nf6 (46...Kb7 47.ed7 Kc7+-) 47.e7 (better 47.d6 Kb7 48.Ne5+-) 47...Kb7 48.Nd6 Kb6 49.e8Q Ne8 50.Ne8 Kc5 51.Nf6 h4 52.Kg4 Kd6?? (better 52...g5 53.Kf5 Kd6+-) 53.Kh4 Ke5 54.Kg5 Kd6 55.Kg6 Ke5 56.Kf7 Kd6 57.Kg7 (better 57.Kf8 Ke5 58.Ke7 Kf5+-) 57...Ke7 (57...Ke5 58.Kg6 Kd6+-) 58.Kg6 Kd6 59.Kf5 Ke7 60.Ke5 Kd8 61.d6 (61.Ke6 Kc8 62.d6 Kd8 63.d7 Kc7 64.Ne8 Kb6 65.d8Q Kc5 66.Qd3 Kb6 67.Nd6 Kc5 68.Qc4 Kb6 69.Qb5 Kc7 70.Qb7 Kd8 71.Qd7) 61...Kc8 62.Ke6 White intends d7 62...Kd8 63.d7 Kc7 64.Ke7 Kc6 65.d8Q Kb5 66.Qd3 Kc5 67.Ne4 (67.Qc3 Kb6 68.Nd5 Kb5 69.Qb4 Kc6 70.Qc4 Kb7 71.Qc7 Ka6 72.Qb6) 67...Kb4 68.Qc2 (68.Qc3 Ka4 69.Qc4 Ka3 70.Qb5 Ka2 71.Nd2 Ka3 72.Qb3) 68...Ka5 (68...Kb5 69.Qb3 Kc6 70.Qc4 Kb6 71.Nd6 Ka7 72.Qc6 Kb8 73.Qb7) 69.Kd6 (69.Qb3 Ka6 70.Qb4 Ka7 71.Nc5 Ka8 72.Qb7) 69...Ka6 (69...Kb4 70.Nc5 Kb5 71.Qa4 Kb6 72.Qa6) 70.Kc6 Ka5 (70...Ka7 71.Qb3 Ka6 72.Qb6) 71.Qb2 (71.Qc3 Ka4 72.Nc5) 71…Ka4 ½-½. fireheart92 (2805) - Gahan_MG (2740), Rated Bullet game, lichess.org, 2021.

7.Be2 a5 8.b5 c6 9.a4 Bf5 10.Nc3 Qd7 11.0-0 Ne4 (11...cb5 12.Bb5 Nc6 13.d4=) 12.Qb3 (better 12.d4!?+=) 12...Nc5=+ 13.Qa3 Nd3 14.Bd3 Bd3 15.Rfc1 Rd8 (15...e5 16.e4 f5 17.Re1=) 16.Ne1 (16.Nd1 Be4 17.Bg7 Kg7=) 16...cb5 17.Nd3 b4 (better 17...Qd3!? 18.ab5 Bf6=+) 18.Nb4+= ab4 19.Qb4 Nc6 20.Qa3 Qd2 21.Rd1 (21.Rab1 e6=) 21...Qc2=+ 22.Rd8?? (better 22.Rdc1 Qf5 23.Rd1=+) 22...Rd8-+ 23.Rc1 (23.Rf1 Rd3 24.h3 Bc3 25.Bc3 Rc3 26.Qa1-+) 23...Qd2 (better 23...Bc3 24.g4 Bb2 25.Rc2 Ba3-+) 24.h3 e6 (24...Rd3 25.Qa1=) 25.Qb3 (25.Rd1 Qc2 26.Rd8 Nd8=) 25...Na5 (25...Rd3 26.Qa3=+) 26.Qc2 (26.Qb5!? Nc4 27.Ne4 Qb2 28.Rc4 Qb5 29.ab5=) 26...Qc2-/+ 27.Rc2 Rd1?? (better 27...Nc4!? 28.Ba1 Ra8-/+) 28.Kh2 (better 28.Nd1 h6 29.Rc5+-) 28...Rd3 29.Nb5 (29.Ne4 h6+=) 29...Bb2= 30.Rb2 Rd5 31.Nd4 Rd8 (31...Kg7 32.Kg3=) 32.Rb5+= Nc4 (32...Ra8 33.Rc5+=) 33.Rb7+/- Ne5 (33...Ra8!?+/-) 34.Nb5 (better 34.a5 Ra8 35.Nb3+-) 34...Rd5? (34...Rd2 35.a5 Ra2 36.Nd6+/-) 35.Rb8 (better 35.a5 Rd7 36.Nc7+-) 35...Kg7 36.a5 (better 36.g4+-) 36...Rd2? (better 36...Nc6 37.a6 Nb8+/-) 37.a6+- Rf2 (37...Nc6+-) 38.a7 Rd2 (38...Ra2 39.a8Q Ra8 40.Ra8 Nc4+-) 39.a8Q Nf3 40.Kg3 (40.Qf3 Rd5 41.e4 Rb5 42.Rb5 f5 43.Rb7 Kf6 44.Qg3 g5 45.Qc3 Kg6 46.Qg7 Kh5 47.Qh7) 40...Rd6 41.Qf3 (41.Rg8 Kh6 42.Nd6 Kh5 43.Qf3 Kg5 44.Nf7) 41...Rd5 42.Qf4 Rg5 43.Qg5 h6 (43...e5 44.Nd6 f6 45.Ne8 Kg8 46.Qf6 h6 47.Qg7) 44.Qf4 (44.Qe5 f6 45.Qc7) 44...g5 45.Qd4 (45.Qe5 f6 46.Qc7 Kg6 47.Rg8 Kf5 48.Nd6 Ke5 49.Qc5) 45...Kg6 46.Qc3 (46.Rg8 Kf5 47.Nd6) 46...f5 (46...h5 47.Rg8 Kf5 48.Nd6) 47.Qd3 (47.Rg8 Kh5 48.Qf6 f4 49.ef4 gf4 50.Qf4 e5 51.Qe5) 47...Kh5 (47...Kg7 48.Qd7 Kf6 49.Rf8 Ke5 50.Qd4) 48.Kh2 (48.Rg8 f4 49.Kf3 Kh4 50.Qg6 fe3 51.Qh6) 48...f4 (48...Kg6 49.Qd7 g4 50.Rg8 Kh5 51.Qe8 Kh4 52.g3) 49.Qd1 (49.Rg8 Kh4 50.Qg6 fe3 51.Qh6) 49...f3 (49...Kg6 50.Qd7 Kh5 51.Qf7 Kh4 52.ef4 gf4 53.Qf4 Kh5 54.Qg4) 50.Qf3 Kg6 51.Qf5! (51.Qf5 ef5 52.Rb6 Kh7 53.g3+-) 1-0. armin_khajavi (2505) - AmaraMaple (2465), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5)

7.Be2 Nc6 8.a3 a6 9.0-0 b5 10.Nc3 Qd6 11.Rc1 Bb7 12.Qc2 Rfe8 13.d4 Rad8 14.Rfd1 e6 15.Ng5 Ne7 16.Nge4 Ne4 17.Ne4 Be4 18.Qe4 Qd5 19.Qc2 Rd7 20.Bf3 Qd6 21.e4 Qb6 22.d5 Bb2 23.Qb2 ed5 24.ed5 Red8 25.Qb3 Rd6 26.g3 Nf5 27.Qc3 Ne7 28.Qc7 Qc7 29.Rc7 Nd5 30.Bd5 Rd5 31.Rd5 Rd5 32.Rc6 a5 33.ba5 Rd3 34.a4! ba4 35.a6 Rd7 36.Rc4 Kf8 37.Ra4 Ra7 38.Kg2 Ke8 39.Kf3 Kd8 40.Ke4 Kc8 41.Ke5 f5 42.f4 Kb8 43.Rb4 Ka8 44.Rb6 Re7 45.Re6 Rc7 46.Kf6 Rc2 47.Re8 Ka7 48.Re7 Ka6 49.Rh7 Rc6 50.Kg5 Kb5 51.Rh6 Rc2 52.Kg6 (worse is 52.Rg6 Rh2 53.Kf5 Kc5+–) 1–0. Reis,Luis Sousa (2225) – Dias,Augusto Martins, Lisbon–chB, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Qd5)

7.Be2 Nbd7 8.d4 a5 9.b5 Nb6 10.Nbd2 a4 11.Ba3 Qd8 12.0-0 Re8 13.Qc2 Bd7 14.Ne5 Nfd5 15.Rac1 Be5 16.de5 c6 17.bc6 Bc6 18.Rfd1 Qc7 19.Nf3 Rac8 20.Qb1 Qb8 21.Bf1 Nd7 22.e6! fe6 23.Bb2 N5f6 24.Ba1 Qa7 25.Qb4! Nd5 26.Qg4 Nf8 27.Qg5 Nf6 28.Bd4 Qb8 29.Be5 Qa8 30.Bf6 ef6 31.Qf6 Nd7 32.Qa1 Nb6 33.Ne5 Bd5 34.Ng4 Rc1 35.Nh6 1–0. Dutka – Grzegorzewski, Duszniki Zdroj 1971 (Dutka).

7.Nc3 Qd6

8.a3 a5 9.b5 c6 10.Be2 Nbd7 11.0-0 Nc5 (11...c5 12.Qc2+=) 12.d4 Nce4 13.bc6 bc6 14.a4 (14.Ne4 Ne4 15.Qc2 Nf6+/-) 14...Nc3 15.Bc3 Nd5 16.Bb2 (16.Rc1 Bf5+=) 16...Ba6 17.Ba3 Qd7 (17...Nb4 18.Rc1+=) 18.Ba6 Ra6 19.Rb1 (19.Bc5 Raa8+=) 19...Rb6 (better 19...Nc3 20.Qc2 Nb1 21.Rb1 Raa8=+) 20.Rb6 Nb6 21.Qc2 Rc8 22.Rc1 (22.Rb1 Nd5+/-) 22...Nd5 (22...c5 23.dc5 Qa4 24.Qa4 Na4 25.Nd4+=) 23.Qc5 e6 (23...Qb7!?+=) 24.Qa5+/- Bf6 (24...Qb7 25.e4 Nf6 26.Qe1+/-) 25.h3 Qb7 26.Qd2 Ra8 27.a5 (27.e4 Ra4 28.ed5 Ra3+/-) 27...Qb5 (27...Bd8 28.Qc2+/-) 28.Rc5 (better 28.e4!? Ra5 29.ed5 Ra3 30.Qf4+-) 28...Qa4+= 29.Qc1 (29.Qb2 Kg7+/- (29...Ra5?? 30.Qb8 Kg7 31.Ra5 Qd1 32.Kh2+-)) 29...Ra5 (29...Be7 30.e4 Bc5 31.Bc5=+) 30.Ra5+= Qa5 31.Bd6 Qb5 32.Be5 (32.Qa1 Qb7+=) 32...Be7+= 33.Qa1 Qb7 34.Qa5 f6 35.Bg3 Kf7 36.h4 (36.Kh2 Kg7+=) 36...h5 (36...Kg7 37.h5=) 37.Kh2+= Qd7 38.e4 Nb4 39.e5 Qd5 (better 39...f5+=) 40.ef6?? (better 40.Qa8 Nd3 41.ef6 Bf6 42.Qb7 Kg8 43.Qb8 Kg7 44.Bd6+=) 40...Qa5-+ 41.fe7 Ke7 42.Ne5 Qd5 (42...Ke8 43.Bf4-+) 43.Ng6 Kf6 44.Nf4 Qd4 45.Nh5 Kf7 46.Bc7 (46.Nf4-+) 46...Qh4 47.Kg1 Qh5 48.Bd6 Qb5 (better 48...Qd1 49.Kh2 Qd6 50.g3-+) 49.g4 0-1. carlos78 (2155) - pacal56 (2080), Rated Blitz game, lichess.org, 2014.

8.a3 Bf5 9.Nb5 Qd7 10.Ne5 Qd8 11.Nd4 Be4 (11...Bc8 12.Bc4=) 12.d3+= Bd5 13.e4 Nfd7 14.Nd7 Qd7 15.Qd2 Bc6 16.Nf3 a5 17.Bg7 Kg7 18.ba5 f6 19.Be2 Rd8 20.Qc3 Bb5 (20...e5 21.Rb1+=) 21.d4 Be2 22.Ke2 Qb5 23.Ke3 Qa5 24.Rhc1 c6 25.Qa5 Ra5 26.a4 Nd7 27.Rab1 Rb8 28.Rc4 e5 29.d5 Kf8 30.dc6 bc6 31.Rb8 Nb8 32.Nd2 Ra6 33.Kd3 Nd7 34.Nb3 h5 35.a5 Ke7 36.Rc1 Nf8 37.Kc4 Ne6 38.h4 Kd6 39.Rd1 Ke7 40.g3 f5 41.ef5 gf5= 42.Ra1 Kd6 43.Ra2 Ra7 44.a6 Nc7 45.Nc5 Nd5 46.Rb2 Kc7 47.Re2 Nb6 48.Kb4 Nd5 49.Ka5 Ra8 50.Rb2 Kd6 51.Na4 Nc7 52.Rd2 Ke7 53.Nc5 Nd5 54.Nd3 e4 55.Nf4 Kd6 56.Ne2 Kc7 57.Nd4+/– Rb8 58.Rc2 Ne7 59.a7 Rb1 60.Nc6! Ra1 61.Kb5 Nc6 62.Rc6 Kb7 63.Rf6 Rf1 64.a8Q! Ka8 65.Kb6 Rb1 66.Kc7 Rb7 67.Kc6 e3 68.fe3 Re7 69.Rf5 Re3 70.Rh5 Rg3 71.Rg5 Rc3 72.Kd5 Kb7 73.h5 Rh3 74.Ke6 Rc3 75.Kf5 Rc5 76.Kg6 Rc6 77.Kh7 1–0. Walczak,Andrzej (2365) – Moens,Andre (2115), 60yearsBdF–WS47, 2006.

8.a3 Bg4 9.Be2 Nc6 10.d4 e6 11.h3 Bf3 12.Bf3 a6 13.0-0 Rab8 14.Rc1 Rfc8 15.Na4 Nd8 16.Nc5 Nd7 17.Qc2 Nc5 18.dc5 Qe7 19.Rfd1 f6 20.Rd2 Nf7 21.Rcd1 Rd8 22.Rd8 Nd8 23.c6 bc6 24.Bc6 Nc6 25.Qc6 Rb6 26.Qa8 Kf7 27.Qc8 Rd6 28.Rc1 Rd7 29.Qa6 Qd8 30.Bd4 Bf8 31.Qc4 Qa8 32.Qc3 e5 33.Qb3 Kg7 34.Bb2 Bd6 35.a4 Rd8 36.b5 Qe4 37.Ba3 Ba3 38.Rc7 Kh6 39.Qa3 Rd1 40.Kh2 Kg5 41.Qc3 Qb1 42.Rh7 Rh1 43.Kg3 Qe4 44.f3 Qa4 45.e4 f5 46.Qe5 Qa3 47.Rh5! (47.Rh5 Kh5 48.Qh8 Kg5 49.Qh4) 1–0. Lebredo Zarragoit,Gerardo (2385) – De Winter,Willy (2340), Mexico, 1978. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5)

8.a3 Bg4 9.h3 Bd7 10.Bc4=.

8.a3 Bg4 9.h3 Bf5 10.Nb5 (10.Nd4 Bd7=) 10...Qd7 (10...Qd8 11.Nbd4+=) 11.Nbd4 (11.Ne5 Qd8=) 11...Be4 12.Nb3 (12.Ne5 Qc8+=) 12...Bd5 (12...Qd6 13.Be2+=) 13.Rc1 Qa4 (13...Qd6!?+=) 14.Bc4+= Bc4 (14...Nbd7 15.0-0+=) 15.Rc4 a5 16.0-0 (16.Qc2 ab4 17.Rb4 Qa7+=) 16...ab4 (16...Nc6 17.Na5 Ra5 18.Rc6 Qc6 19.ba5=) 17.Rb4+= Qa7 18.Qc2 b6 (18...Nc6 19.Rh4+=) 19.Rc4 Na6 20.Rc6 Qb7 21.Be5 Nd7 22.Bg7 (22.Bc7 Rfc8 23.Na5 ba5-/+) 22...Kg7 23.Rb1 Rfc8 24.Qc3 Kg8 25.Qc4 Ra7? (better is 25...Nab8 26.Ng5 Ne5+=) 26.Ng5+– Ne5 27.Rg6 (27.Rg6 hg6 28.Qh4+–) 1–0. Cannon,Antony D – Oleksak,Andrzej (1980), EU/WS/O/019 ICCF, 2009. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5)

8.b5 Bg4 9.h3 Bf3 (9...Bf5 10.d4=) 10.Qf3 Nbd7 (10...c6 11.d4=) 11.a4 (11.Qb7!? Rfb8 12.Qf3+/-) 11...c6 12.Ba3 Qe6 13.Be2 (13.bc6 bc6 14.d4 c5=) 13...Nd5 (13...Rfc8 14.Rc1=) 14.Rc1 (14.Nd5 cd5 (worse 14...Qd5 15.d4+/-) 15.d4 Rfc8=) 14...Nc3 15.dc3 Qb3 16.Bb4 (16.Be7 Bc3 17.Kf1 Rfe8=) 16...c5 (16...Qb2 17.Rd1 Rad8 18.bc6 Bc3 19.Bc3 Qc3 20.Kf1-+) 17.Bd1 (17.Qb7 cb4 18.Qd7-/+) 17...Qc4 18.Be2 (18.Qg4 Qg4 19.Bg4 f5-/+) 18...Qa2 19.Qb7 cb4 20.Qd7 (20.cb4 Rfd8 21.Qe4-+) 20...Bc3 (better 20...Rfd8 21.Qd1 Rd1 22.Rd1 Bc3 23.Kf1 b3-+) 21.Kf1 Rad8 22.Qa7? (better 22.Qg4 b3 23.Qc4-+) 22...Rd2 23.Re1 (23.Bf3 b3 24.Qc5-+ (24.Qe7?? b2 25.Rd1 b1Q-+)) 23...Rb2 (better 23...Re2 24.Kg1 Re1 25.Kh2 Rh1 26.Kh1 b3-+) 24.Bf3 Rf2 (24...Rf2 25.Kg1 Be1-+) 0-1. chupifero (2245) - Aaron_Whitney (2230), Rated Blitz game, lichess.org, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5)

8.Nb5 Qd7 9.Be5 Na6 (9...Nd5 10.Qc1=) 10.Rb1 (10.a3 c6 11.Nc3 Nc7+=) 10...c6 (10...Nd5 11.Bg7 Kg7 12.a3=) 11.Nc3+= Nd5 (11...Nc7!?+=) 12.Bg7+/– Kg7 13.Ba6 Nc3 (13...ba6 14.Qb3+/–) 14.dc3 Qd1 (14...ba6 15.Qd7 Bd7 16.Ne5+/–) 15.Rd1+– ba6 16.Ne5 Bb7 (16...Kf6 17.f4+/–) 17.Nd7 Rfd8 18.0-0 (18.Nc5 Rd1 19.Kd1 Rd8 20.Ke2 Bc8+/–) 18...Bc8 (18...a5 19.ba5 Ba6 20.Rfe1+/–) 19.Nc5 (19.Ne5 Bb7+/–) 19...Rd6 20.Rd4 Be6 (20...a5 21.a3+/–) 21.Rfd1 Rd4 22.Ne6 fe6 23.Rd4 Kf7 24.Kf1 Rb8 25.Rd7+– Ra8 26.Rc7 Ke8 27.Rc6 Kd7 28.Ra6 Kc7 29.Re6 Kd7 30.Ra6 Kc7 31.a4 Kb7 32.Re6 Re8 33.c4 Kc7 34.b5 Kd7 35.Ra6 Ra8 36.b6 Kc6 37.Ra7 Ra7 38.ba7 Kb7 39.Ke2 Ka7 40.Kd3 Kb6 41.Ke4 Kc5 42.a5 Kc6 43.Ke5 Kc7 44.Ke6 Kb7 45.Ke7 Ka6 46.c5 Ka5 47.c6 Kb6 48.Kd6 1–0. aspasio (2010) – SuperChessChamp, ICC, 1999.

8.Nb5 Qd8 9.Bc4 c6 10.Na3 Nbd7 (10...b5 11.Bb3+=) 11.0-0= Nb6 12.Bb3 Bg4 13.d3 (13.d4!?=) 13...Bf3+= 14.gf3 Nfd5 15.Bg7 Kg7 16.Nc2 Qd6 17.a3 Rad8 18.d4 e5 19.de5 Qe5 20.Qd4 f6 21.Qg4 Nc3 22.Nd4 f5 23.Qh4 Rd6 24.f4 Qf6 25.Qf6 Kf6 26.Kg2 Nbd5 27.Rac1 a6 28.Kf3 Nb5 29.Nb5= ab5 30.Rfd1 Rfd8 31.Ke2 Nb6 32.Rd6 Rd6 ½–½. Sydor,Andrzej (2425) – Zoltek,Tadeusz (2350), Poland–ch, 1976.

8.Nb5 Qd8 9.Be5 Na6 10.a3=.

7.Nc3 Qd8

8.a4 Bg4 9.Be2 Nc6 10.b5 Nb4 11.0-0 Bf5 12.d4 c5 13.dc5 Bd3 14.Bd3 Qd3 15.Qd3 Nd3 16.Ba3 Ng4 17.Nd4 e5 18.Nb3 Rfd8 19.Ne4 f5 20.Nd6 e4 21.Nd4 Be5 22.h3 Nh2 23.Rfd1 b6 24.cb6 Bd6 25.Bd6 Rd6 26.ba7 Ra7 27.Kh2 Nf2 28.Rdc1 Nd3 29.Rc8 Kg7 30.Nc6 Rf7 31.a5 Nc5 32.b6 Nb7 33.a6 Nc5 34.b7 Nb7 35.ab7 Rb7 36.Ra7 Ra7 37.Na7 Rd3 38.Rc7 Kh6 39.Nb5 Re3 40.Nd6 Rd3 41.Nf7 Kh5 42.Ne5 Rd5 43.Rh7 Kg5 44.Nf7 Kf4 45.Rh4 Ke3 0–1. axtur777 – killer585, lichess.org, 2020.

8.b5 c6 9.d4 Bg4 10.bc6 Nc6 11.h3 Bf3 12.Qf3 e6 (12...e5 13.de5 Ne5 14.Qd1=+ (14.Qb7? Rb8 15.Qa7 Rb2-+)) 13.Be2 Nd5 (13...e5 14.de5 Ne5 15.Qf4= (15.Qb7? Rb8 16.Qa7 Rb2-+)) 14.0-0+= Ndb4 15.a3 Nc2 (15...Nd5!?+/-) 16.Rac1 Na3? (better 16...N2d4 17.ed4 Nd4+-) 17.Ba3 Qe7 (17...Re8+-) 18.Be7 Ne7 19.d5 (19.Qb7 Nf5+-) 19...Rfe8 (19...Bc3 20.d6 Nd5 21.e4+-) 20.d6 (20.de6 fe6 21.Qb7 Nf5+-) 20...Nf5 (20...Nc6+-) 21.Qg3! Ng3 22.fg3 Rad8? (22...Red8+-) 23.Nb5 (23.Rfd1 Be5 24.Ne4 b6+-) 23...Bh6 (23...Be5 24.Rc7 Rf8 25.Rb7+-) 24.Rf3 (24.Kf2 Rd7 25.Rc7 Red8 26.Na7 Rd6+-) 24...Rd7 25.Kf2 (25.Na7 Rd6 26.Rc7 Rd2+-) 25...Red8 (25...a6+/-) 26.Bc4 (better 26.Na7 Rd6 27.Nc8+-) 26...a6= 27.Nc7 (27.Nc3 Rd6 28.Be2 f5=) 27...Rd6 28.Rf1? (28.Be2!?=) 28...Rd2 (28...Rc8 29.Nb5 ab5 30.Bb5 Rc2 31.Be2-+) 29.Be2? (better 29.Ke1-/+) 29...b5?? (better 29...Rc2 30.Na6 ba6-+) 30.g4 (30.Na6 Rb2+/-) 30...Bg7 (better 30...Ra2 31.Rc1 Bg7-/+) 31.Na6+/- Bf8 32.Nc5?? (better 32.g5+/-) 32...Bc5-+ 33.Kg3?? (33.Rc1 R8d5-+) 33...R8d7 (better 33...Re2 34.Rf7 g5-+) 34.R1f2 (34.Bb5 R7d5 35.Bc4 Bd6 36.Kh4 Rc5-+) 34...Bd6 (34...g5 35.h4 Rb2 36.Bf1 gh4 37.Kh4 Rf2 38.Rf2-+) 35.Kh4 Rd5 36.g5 (36.e4 Re5 37.Bd3 b4-+) 36...Re5 (36...Be7 37.g4-+) 37.e4? (37.g4 b4 38.Bc4 Rc7-+) 37...Re4 (37...Bc5 38.g4 Bf2 39.Rf2-+) 38.Rf4 (38.g4 Re5 39.Rd3-+) 38…Bf4 (38...Bf4 39.Bf3 Bg5 40.Kg3 Bf4 41.Kh4 Rc4-+) 0-1. CronusCR (2180) - BardurOrn (2300), Rated Bullet game, lichess.org, 2017.

8.b5 Bg4 9.Be2 Nbd7 10.d4 Nb6 11.Qb3 Be6 12.Qc2 Nc4 13.Bc4 (13.Ng5!? Bf5 14.e4 Ne4 15.Nce4 (15.Nge4? Nb2 16.Qb2 Qd4–+) 15...Nb2 16.Qb2+=) 13...Bc4= 14.Nd2 Be6 15.0-0 Qd6 16.Nce4 Ne4 17.Ne4 (worse is 17.Qe4 Qb4 18.Nb3 Qb5+=) 17...Qd5 18.Nc3 (18.Nc5 c6+=) 18...Qd8 (18...Qg5 19.f4 Qh5 20.Qe4=) 19.a4 Rc8 20.Qd2 (20.d5!? Bg4 21.h3+=) 20...c6 21.Rfd1 cb5 (21...Qd7 22.Qe2 Rfd8 23.bc6 Qc6 24.Rdc1=) 22.Nb5 a6 23.Nc3 (23.d5 A) worse is 23...ab5 24.Bg7 (24.de6 Qd2 25.Rd2 ba4-/+) 24...Kg7 25.Qb2 (25.de6 Qd2 26.Rd2 ba4-/+) 25...Kg8 26.de6+/–; B) 23...Bb2 24.Qb2 Bg4+=) 23...Bb3 24.Rdc1 Bc4 25.Ne4 b5 26.Nc5?? (better is 26.ab5 ab5 27.Qb4+=) 26...Qb6?? (better is 26...Rc5 27.ab5 ab5–+) 27.Nd7+– Qe6 28.Nf8 Bf8 29.Qb4 (29.d5 Qg4+–) 29...Qg4 30.h3 Qg5 31.ab5 ab5 32.Ra5 e6 (32...Bd5 33.g4 Rc1 34.Bc1+=) 33.Qd2 (33.Rc4 Bb4 34.Rc8 Kg7 35.d5 e5 36.Rb5 Qf5+–) 33...Bd5 (33...Bg7!?+–) 34.f4 Rc1 35.Bc1 Qg3 36.Ba3?? (better is 36.Rb5 Qh4 37.Qe2+–) 36...b4 37.Bb2 b3 38.Ra3?? ( better is 38.Qf2 Qf2 39.Kf2+/–) 38...Bb4 39.Qe2 Ba3 40.Ba3 Kg7 41.Bb2 h5 (better is 41...f5!?-/+) 42.e4= Ba8 43.d5 f6 44.de6 (better is 44.Qd2!? ed5 45.ed5+/–) 44...Qf4= 45.e7 (45.e7 Bc6 46.Qd3=) 1–0. GuestNDHS – imreoir, freechess.org, 2017.

8.Qc2 Bf5 9.d3 Nc6 10.a3 e5 (10...a6 11.Be2=) 11.e4 (better is 11.b5!? Na5 12.Ne5+=) 11...Bg4 12.Be2 (12.b5 Nd4 13.Nd4 A) 13...Qd4?? 14.Nd5 Nd5 15.Bd4 ed4 16.h3+– (16.ed5?! Rfe8 17.Be2 Re2 18.Qe2 Be2 19.Ke2 Rd8+/–); B) 13...ed4=) 12...Bf3 13.Bf3 Nd4 14.Qd1 Rc8 (14...a5 15.ba5 Ra5 16.Ne2+=) 15.0-0 Re8 (15...Qd6 16.Na4+=) 16.a4 (16.Bg4 Ng4 17.Qg4 c6+=) 16...Qe7 17.Ba3 Qe6 18.Nb5 Nb5 19.ab5 Qb6 20.Be2 (20.Qa4 Ra8=) 20...Rcd8 (20...Qb5 21.Qc2+=) 21.Qb3 (21.Qa4!?=) 21...Qb5+= 22.Rfe1 Qb6 23.Bb2 (23.Bc1 a6-/+) 23...a6 (23...Bf8 24.Bc3-/+) 24.Qc4 Bf8 Attacks the isolani on b4 25.Rec1 c6 26.Bc3 Qc7 27.f4 (27.Rd1 Bh6-/+) 27...Bd6 (27...Nd7 28.f5-/+) 28.g3 (28.Rf1 Kg7-/+) 28...Qe7 29.Rf1 ef4 30.gf4 Bb8 31.Bd1 (better is 31.Ra2-/+) 31...Qd7?? (31...b5 32.Qc6 Ne4–+) 32.Bb3?? (better is 32.Bf6 Qd3 33.Qd3 Rd3 34.e5+/–) 32...Qg4?? (better is 32...Ng4 33.Rf3 Ba7 34.Kh1 Ne3 35.Re3 Be3–+) 33.Kh1+= Nh5?? The pressure on f4 grows (better is 33...Re6 34.e5 Qh3 35.ef6 Rd3=) 34.Qf7 1–0. GuestRFSJ – GuestFHTX, freechess.org, 2017.

8.d4 c6 9.Be2 Nbd7 10.0-0 Nb6 11.Qc2 Nbd5 12.Nd5 Nd5 13.a3 Bd7 14.Ne5 Be6 15.Rfd1 Qc8 16.Nd3 Bg4 17.e4 Be2 18.Qe2 Nf6 19.Rac1 Qd8 20.Nc5 Rb8 21.d5 cd5 22.Bf6 ef6 23.Rd5 Qc7 24.Rcd1 Rfe8 25.Rd7 Qe5 26.Nb7 f5 27.Nd6 Re7 28.Nc4 Qe6 29.R1d6 Rd7 30.Re6 fe6 31.ef5 Rd4 32.Qe6 Kh8 33.g3 gf5 34.Nd6 h6 35.Nf7 Kh7 36.Qf5 Kg8 37.Qg6 Rb6 38.Nh6 Kh8 39.Qe8 Kh7 40.Nf5 Rd1 41.Kg2 Rd3 42.Qe7 Rg6 43.Ng7 a5 44.Nf5 1–0. Gurgenidze – Turboust, Biel 1994.

8.d4 Bf5=.

8.d4 Bg4 9.b5 c6 (9...Nbd7 10.Bd3=) 10.h3 Bd7 (10...Bf5 11.g4 Be6 12.Ng5+=) 11.a4+= cb5 (11...Bf5 12.Bc4+=) 12.ab5+/– (worse is 12.Bb5 Nc6=) 12...Bf5 13.Bd3 Bd3 14.Qd3 Qb6 (14...Nbd7 15.0-0+/–) 15.Ba3 (15.e4 Nbd7+/–) 15...Re8 16.Bc5 (16.0-0 Nbd7+/–) 16...Qc7 (16...Qd8!?+=) 17.b6!+– (17.Ba7?! Rc8 18.Ra3 Nbd7=) 17...Qc6 18.ba7 Na6 19.0-0 Nc5 20.dc5 Red8 21.Qc4 e6 22.Nd4 Qd7 23.Rfd1 Nd5 24.Nd5 ed5 25.Qb4 Qc7 26.Rdb1 Rd7 27.c6! bc6 28.Qb8 Rb8 29.ab8Q Qb8 30.Rb8 Bf8 31.Raa8 c5 32.Rf8 Kg7 33.Rg8 Kf6 34.Ra6 Ke5 35.Re8 (35.Re8 Re7 36.Re7#) 1–0. pierre – oppokt, internet, 2010.

8.d4 Bg4 9.Be2 Nc6 10.b5 Nb8 11.0-0 c6 12.Ne5 Be2 13.Qe2 Nd5 14.Rfc1 f6 15.bc6 bc6 16.Nf3 Nd7 17.Qc4 Rc8 18.e4 N7b6 19.Qb3 c5?? 20.dc5 Rc5 21.Nd5 e6 22.Rc5 (22...ed5 23.ed5+–) 1–0. marekt – guest995, ICC, 2003.

8.d4 Bg4 9.h3 Bf5 10.Bd3 Bd3 11.Qd3 c6 12.0-0 Nd5 13.b5 a6 14.a4 Nb4 15.Qc4 a5 16.Ba3 Nc2 17.Ra2 Na3 18.Ra3 e6 19.Rb3 Qc8 20.Ne4 Rd8 21.Rc1 h6 22.Nc5 1–0. forsetinn (1895) – awaretenacious (1635), gameknot.com, 2013.

8.Be2 a5 9.b5 Nbd7 10.0-0 Nb6 11.Na4 Nbd5 12.Be5 Bg4 13.h3 Bf3 14.Bf3 e6 15.Rc1 Ne8 16.Bg7 Kg7 17.Nc3 Qd6 18.Qb3 Nef6 19.d4 Qd7 20.Rfd1 c6 21.bc6 bc6 22.Ne4 Rab8 23.Qc2 Rfc8 24.Qd2 Rb4 25.Nc5 Qa7 26.Nd3 Rb6 27.Rc5 a4 28.Rdc1 a3 29.g3 h6 30.Kg2 Qa8 31.Ra5 Ra6 32.Rcc5 Rb8 33.Ra6 Qa6 34.Ra5 Rb2 35.Nb2 (35.Nb2 Qa5 36.Qa5 ab2 37.Qe1+–; 35.Ra6 Rd2 36.Ne5 Ne3 37.Kg1 Nf5 38.Ra3 Nd4 39.Bc6 Nc6 40.Nc6 Ne4+=) 1–0. Jirovsky,Milos (2520) – Reschke,Stefan (2360), BL2–Ost, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Qd5)

8.Be2 a5 9.b5 Nbd7 10.0-0 Nb6 11.d4 Be6 12.Ne5 Nfd5 (12...Qd6 13.a4=) 13.Nd5 Bd5 (13...Qd5 14.Qc2+=) 14.Qc2+= a4 15.Ba3 Re8 (15...Be6 16.Rac1 Nd5 17.Nd3+/–) 16.Rac1+/– Rc8 (16...f6 17.Nd3+/–) 17.Bc5 (17.e4 Be6 18.Rcd1 f5+/–) 17...Nd7 (17...f5 18.Bb6 cb6 19.Qa4+=) 18.Nd7+/– Qd7 19.e4 b6 20.ed5 bc5 21.Qc5 (21.dc5 Qd5 22.Rfd1 Qe5+/–) 21...Qf5 (21...e5 22.de6 Qe6 23.Bc4+/–) 22.Bf3 Bh6 (22...e5 23.de6! Re6 24.Qf5 gf5 25.Rc4+–) 23.Rc4+– Bf4 (23...Bf8 24.Ra4 e5 25.Qc6+–) 24.Ra4 Bd6 25.Qc3 Rb8 26.Ra5 Ra8 27.Ra6 Kg7 (27...c6 28.Ra8 (worse is 28.Qc6 Rac8 29.Qb7 Rc7–+) 28...Ra8 29.dc6 (worse is 29.bc6 Ra3 30.Qc4 Rf3+/–) 29...Qb5 30.Rc1+–) 28.g3 (28.a4 Rab8+–) 28...h5 29.Bg2 h4 30.a4?? (30.Re1 Qd7 31.Qa5 Qc8+–) 30...Rh8? (better is 30...h3 31.Bh1 Ra6 32.ba6 Ra8+/–) 31.Ra8 Ra8 32.a5 Rh8 (32...h3 33.Bh1+–) 33.a6 g5 (33...h3 34.Bh1+–) 34.a7 (better is 34.Qe3+–) 34...g4? (34...h3 35.Qf3 Qh7+–) 35.Ra1 (better is 35.Qc6!? h3 36.Bh1 Qc8+–) 35...h3 36.a8Q (better is 36.Bf1 Qd5 37.Qc4 Qa8+–) 36...Ra8 37.Ra8 hg2 38.Ra1 Qd5 39.Rb1 (39.Rd1 Qb5 40.d5 Kg6 41.Kg2 f5+–) 39...Qf5 (39...e6 40.Rc1+–) 40.Rb3 (better is 40.Rd1 Qb5 41.d5 f6 42.Kg2+–) 40...Qe4? (better is 40...Qd5!?+–) 41.Qc4 (41.d5 Kg8 42.Qd3 Qe5+–) 41...e6 (41...e5 42.Re3 Qd4 43.Qd4 ed4 44.Re4+–) 42.Re3 Qa8 43.Qc6 Qa1 (43...Qa4 44.Qe4+–) 44.Kg2 Qd4 (44...Qb1 45.Qe4 Qb5 46.Qg4 Kf8 47.h4+–) 45.Qe4 Qd1 (45...Qc5 46.Qg4 Kf8 47.Qf3+–) 46.Re1 (46.b6!? Kf6 47.b7 c5+–) 46...Qb3 47.Qg4 Kf8 48.Qf3 Qc4 49.Qc6 Qb4 (49...Qd4 50.h4+–) 50.Re4 Qb2 (50...Qd2 51.h4 Ke7 52.h5+–) 51.h4 (better is 51.Qd7 Qf6 52.b6 cb6 53.Qd6 Qe7 54.Qe7 Ke7+–) 51...Ke7 (51...Qd2 52.Qd7 Qd5 53.f3+–) 52.h5 f5 53.Rh4 (53.Ra4 f4 54.Ra8 Qe2 55.Qe8 Kf6 56.Qg6 Ke5 57.gf4 Kd5+–) 53...f4 54.gf4 Qf6 (54...Qg7 55.Kh3 Qg1 56.Qg2+–) 55.Rg4 Qh6 (55...Bf4 56.b6 Qf5 57.Rf4 Qf4 58.Qc7 (58.bc7?! Qg4 59.Kf1 Qd1 60.Kg2 Qg4 61.Kh2 Qh4 62.Kg1 Qg4 63.Qg2 Qd1 64.Kh2 Qh5 65.Kg1 Qd1 66.Qf1 Qg4 67.Kh1 Qf3 68.Qg2 Qd1 69.Kh2 Qh5 70.Qh3 Qh3 71.Kh3 Kd7=) 58...Qc7 59.bc7+–) 56.Qf3 (56.b6 cb6 57.Qb7 Kf6 58.Rg6 Qg6 59.hg6 Kg6 60.Qb6 Ba3+–) 56...Qh7 (56...Qf6 57.Qe4 Qf5 58.Qf5 ef5 59.h6 fg4 60.h7 Bf4 61.h8Q+–) 57.Rg6 Qh8 (57...Qf7 58.Qg4 Kd8 59.h6+–) 58.Qg4 (58.Qe4 Be5 59.Qe5 Qe5 60.fe5 Kf7 61.Rg4 Ke8 62.h6 Kd7 63.h7 Kc8 64.h8Q Kb7 65.Qe8 c6 66.Qc6 Kb8 67.Qd7 Ka8 68.Rg8) 58...Qa8 59.Kh2 Qa2 (59...Qe4 60.Rg7 Ke8+–) 60.Qh4 Kd7 61.Rg7 Kc8 62.h6 Qd2 63.Rg4 (63.h7 Bf4 64.Kg2 Qd5 65.f3 Qd2 66.Qf2 Qf2 67.Kf2 Be5 68.h8Q Kb7+–) 63...Be7 (63...Bb4 64.Qg3 Be7 65.h7+–) 64.Qg3 (better is 64.Qe7!? Qf2 65.Kh3 Qf3 66.Kh4 Qh1 67.Kg5 Qd5 68.Kg6 Qf5 69.Kg7 Qg4 70.Qg5 Qd1+–) 64...Qc2 (64...Qc2 65.Rg8 Kb7+–). Tutov,Valeriy – Bogdanov,Egor (2100), Kyiv Ukraine, Slavjanskoe Bratstvo, 2010.

8.Be2 Nc6 9.a3 Bf5 10.d3 Nd5 11.d4 (11.Qd2 Nf6 12.b5=) 11...e5 (better is 11...Nc3!? 12.Bc3 a6=) 12.Nd5+/– Qd5 13.Qc2?? (better is 13.b5 Ne7 14.de5+/–) 13...Bc2–+ (13...Bc2 14.b5 Nd4 15.ed4 Qb3 16.de5 Qb2–+) 0–1. GuestMYDB – McPentagon, freechess.org, 2017.

8.Be2 Qd6 9.b5 Bg4 10.a4 Rd8 (10...c5 11.h3 Be6 12.0-0=) 11.0-0 (11.Ba3 Qe6+=) 11...Bf3 (11...c5!?=) 12.Bf3+/– (12.gf3?! Qd2 13.f4 a6=) 12...c6 13.Qb3 Nbd7 (13...Qd2?? 14.Rfd1 Qd7 15.Rd7 Nbd7 16.bc6 bc6 17.Bc6+–) 14.Ba3 Nc5 (14...Qc7 15.Be7 Re8 16.Bf6 Nf6 17.bc6 bc6 18.Qc4+–) 15.Qc4 Nfd7 16.d4 cb5 (better is 16...Qe6 17.Qe6 fe6+–) 17.ab5 (17.dc5?! Qf6 (worse is 17...bc4 18.cd6 ed6 19.Rac1+–) 18.Qb5 Qc3 19.Bb7 a6+–; 17.Bc5?! A) 17...Nc5?? 18.Nb5 (18.Qc5?! Qc5 19.dc5 Bc3=) 18...Qd7 19.Qc5+– (19.dc5?! Ba1 20.Ra1 a6+–); B) 17...bc4 18.Bd6 ed6+=) 17...Rac8 (17...Qe6 18.Bd5 Qf6 19.Bc5 (19.dc5?! Qc3 20.Qc3 Bc3+–) 19...Nc5 20.Qc5+– (20.dc5 Qc3 21.Qc3 Bc3 22.Bb7 Ba1 23.Ra1 Rab8+/–)) 18.dc5 (18.Bc5?! Nc5 19.Rfc1 Ne6+/–) 18...Nc5 (18...Qc7 19.Be4+–) 19.Rad1 Nd3 (19...Qe5 20.Nd5 Bf8 21.Bc5 e6+–) 20.Qc8 (20.Qc8 Rc8 21.Bd6 Rc3 22.Be7+–) 1–0. Tirado Parra,A (1910) – Morona Minguez,Miguel, II Oliver Gonzalez Memorial, 2011.

8.Be2 Nbd7 9.0-0 e5 10.d3 c6 11.a4 b6 12.Qb3 Re8 13.Rfd1 Qe7 14.d4 ed4 15.ed4 Nf8 16.Ne5 Be6 17.Qa3 Rac8 18.Ba6 Rc7 19.b5 Qa3 20.Ra3 cb5 21.Bb5 Rec8 (21...Rd8 22.h3=) 22.d5+= Bf5 23.Nc6 Ne4 24.h3 h5 25.Re1 Re8 26.Na7 Nc3 (26...Rd8 A) 27.Ne4?! Bb2 28.Rb3 A1) worse is 28...Ra7 29.Rb2 Be4 30.Re4+/–; A2) 28...Rd5? 29.Rb2 Be4 30.Nc6+– (30.Re4?! Ra7 31.Bc6 Rd1 32.Kh2 Rd6 33.Rb6 Nd7+/–); A3) 28...Bg7=; B) 27.Re4 Be4 28.Nc6 Bc3 29.Rc3 Rd5-/+; C) 27.Nc6 Bc3 28.Bc3 Rd5 29.Bb4+/–) 27.Re8 (27.Be8 Nd5 28.Bg7 Ra7+–) 27...Nb5 (27...Nb1 28.Nc6 Bb2 29.Rb3+–) 28.Bg7 (28.ab5?! Bb2 29.Ra6 Bd4+=) 28...Na3 29.Bf8 Ra7 30.Ba3 Kg7 (30...Kh7 31.Bb2 g5 32.Rh8 Kg6 33.Rg8 Kh6 34.Rb8+/–) 31.Bb2+– f6 32.Rb8 Ra4 (32...Be4!?+/–) 33.Rb6+– Kf7 34.Rf6 (34.Rb7 Ke8 35.Bf6 Bd7+–) 34...Ke7 35.Rb6 Ra5 36.d6 Ke6 37.Kh2 Bd3 38.Rb3 Bf5 39.Ba3 Ra4 40.Re3 Re4?? (better is 40...Kd5+–) 41.g4! 1–0. Kurajica,Bojan – Firat,Burak, MTS Logistics GM Chess Tournament Serie, 2016. (=1.Nf3 d5 2.e3 g6 3.c4 Nf6 4.b4 Bg7 5.Bb2 0-0 6.cd5 Qd5 7.Nc3 Qd8)

6.cd5 Nd5

7.Qb3 Nb6 8.Bg7+= Kg7 9.Be2 N8d7 (9...Bg4 10.Qb2 Kg8 11.d4+=) 10.Qb2 (10.d4 Nf6+=) 10...Kg8 11.d4 Nf6 12.0-0 Qd6 (12...Bf5 13.Rc1+=) 13.Nbd2 (13.Nc3 Bg4+=) 13...Bf5 14.Nc4 (14.Rfc1 Rfd8+=) 14...Nc4 15.Bc4 Be4 (15...b5 16.Be2+=) 16.Ne5 Bd5 17.Be2 (17.Rac1 Rfd8+=) 17...a5 (17...Rfd8 18.Rfc1+=) 18.b5 Qb4 (18...Rfd8 19.Rac1+=) 19.Qc2 Qa3 (19...Be4 20.Bd3 Bd3 21.Qd3+/–) 20.Bd3 Be6 21.Rfc1 Rac8 22.Qc5 Qc5 23.Rc5 Rfd8 24.a3 Rd5 25.Rc3 Rd6 26.Rac1 Nd5 27.R3c2 Rcd8 28.Nc4+– R6d7 29.Na5 Ra8 30.Nc4 f6 31.Be4 Ra4 32.g3 Nb6 33.Rc3?? Rc4 34.Bb7= Rc3 35.Rc3 Bd5 36.Bd5 Nd5 37.Rc5 Nb6 38.Kf1 Kf7 39.Ke2 Ke8 40.Kd3 Kd8 41.e4 Kc8 42.h4 Kb7 43.g4 Rd8 44.Rc3 Ra8 45.f4 Ra5 46.Rb3 Ra4 47.Rc3 Nc8 48.Rb3 Kb6 49.f5 gf5 50.ef5 Nd6 51.Ke3 h6 52.Rd3 Ra3! 53.Ra3 Nc4 54.Ke4 Na3 55.Kd5 Nb5 56.Ke6 Nd4 57.Ke7 c5 ½–½. Nickel – Schubert,W, BdF, 1987.

7.Qb3 Qd6 8.Bg7 Kg7 9.b5=.

7.Bg7 Kg7

8.a3 a5 9.b5 c5=.

8.a3 a5 9.b5 c6 10.a4 cb5 11.ab5 (11.Bb5 Nc6=) 11...b6 (11...Bf5 12.Be2=) 12.Na3 Bb7 13.Nc4 Nd7 14.Be2 Rc8 15.0-0 N7f6 16.Qb3 Nb4 17.d4 Bd5 (17...Qd5 18.Ra3 Nd7 19.Re1=) 18.Rfc1+= Ne4 19.Qb2 Nd6 20.Nce5 (20.Nd6 Qd6 21.Nd2 Qe6=) 20...Rc1 (20...f6 21.Nd3 Nc4 22.Qb1 Bf3 23.gf3=) 21.Rc1+= Qa8 (21...f6 22.Nc6 Nc6 23.bc6+=) 22.Ne1 (22.Nd7!? Bf3 23.gf3+/-) 22...Rc8= 23.f3 (23.Rc8 Qc8 24.h3 f6=) 23...f6 24.N5d3 Nc4 25.Qc3? (better 25.Qb1 Ne3 26.Rc8 Qc8 27.Nb4 ab4 28.Qb4=) 25...Na2-+ 26.Qa1 Nc1 27.Qc1 Nd6 28.Qd1 (28.Qa3 Bc4-+) 28...Bc4 (28...Nb5 29.e4 Bc4 30.Nf4-+) 29.e4 (29.Nf4 Bb5 30.Bb5 Nb5-+) 29...Nb5 30.Qb1 (30.Nf4 Nc3 31.Qd2 Be2 32.Ne2 Qc6-+) 30...Nc3 (30...Nd4 31.Qb2 e5 32.Bf1-+) 31.Qb6 (31.Qb2 Bd3 32.Bd3-+) 31...Ne2 32.Kf2 Nc3 33.Nc5 (33.d5 a4 34.Nc5 a3 35.Ne6 Kf7-+) 33...Qc6 (better 33...Rc6 34.Qb7 Qd8 35.Qd7 Qd7 36.Nd7-+) 34.Qa7 (34.Qa5 Nb5 35.Qa4 Nd4 36.Qc4 Qc5 37.Qc5 Rc5 38.f4-+) 34...Qd6 35.Nc2 Nb5 (35...Qf4 36.Ne6 Be6 37.Qe7 Kh6 38.Qe6 Qd2 39.Kf1-+) 36.Qa5 Nd4 37.Nb7 Qc7 (better 37...Qe5!? 38.Qe5 fe5 39.Nd4 ed4 40.Ke1-+) 38.Qc7 Rc7 39.Nd4 (39.Nd6 Rd7 40.Nc4 Nc2-+) 39...Rb7 40.Ke3 (40.h3 e5 41.Nc6 Rb2 42.Kg1 Kf7-+) 40...e5 41.Nc2 (41.Nc6 Rb2 42.f4 ef4 43.Kf4 Rg2-+) 41...Rb2 42.Na3 (42.Kd2 Bb3 43.Kc3 Rc2 44.Kb3 Rg2 45.Kc4-+) 42…Re2 0-1. DragonMaterz (2410) - aashetty (2510), NBL Blitz Arena, lichess.org, 2019. (=1.Nf3 A15: English Opening: 1...Nf6 1...d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.cd5)

8.a3 a5 9.e4 Nf6 (9...Nf4 10.ba5 f5 11.Qc2=) 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 Nc6 (12...Bg4 13.e5 Nfd7 14.Nd5=+) 13.Bb5 (13.Nd5!?=) 13...Nb4 14.0-0 (better is 14.Qa4 Nd3 15.Bd3 Qd3 16.Ne5=+) 14...Nc2?? (14...Bg4 15.Rb1 c5 16.e5-/+) 15.Qb2?? (better is 15.Qa4 c6 16.Be2+– (16.Qc2?! cb5 17.Nb5 Bg4+=)) 15...Nd4-/+ 16.Nd4 Qd4 17.Re1 (17.Qc2 Rd8 18.Ne2 Qe5-/+) 17...Rd8 18.e5 (18.d3 e5 19.Bc4 Bg4-/+) 18...Ng4–+ 19.Nd1 (19.d3 Ne5 20.Re4 Qd6-/+) 19...Qd2 20.Qd2 (20.Qc3 Qc3 21.Nc3 Rd2–+) 20...Rd2 21.h3 Ne5! 22.Re5 (22.Nc3 f6–+) 22...Rd1 23.Kh2 0–1. Dopper,Johan – Junicke,Frank, Zomer, 1994.

8.a3 b6 9.Be2 Ba6 10.b5 Bb7 11.0-0 a6 12.Nc3 Nc3 13.dc3 ab5 14.Bb5 Ba6 15.a4 c6 16.Ba6 Na6 17.Qd4 Qd4 18.ed4 c5 19.Rfe1 cd4 20.cd4 e6 21.Ne5 Rfd8 22.Red1 Nb4 23.Nf3 Ra6 24.Kf1 Rda8 25.Ne5 Ra4 26.Ra4 Ra4 27.Nc4 Nc6 28.Nb6 Rd4 29.Rc1 Ne5 30.Na8 Rc4 31.Re1 Ng4 32.h3 Nf6 33.Nb6 Rc2 34.g4 h6 35.Kg2 Ra2 36.Nc4 g5 37.Ne5 Nd5 38.Kg3 Nf4 39.h4 Ra3 40.f3 Ra2 41.hg5 hg5 (42.Rg1 f6–+) 0–1. hal1958 – cccmember, playchess.de, 2003.

8.a3 b6 9.Be2 Bb7 10.0-0 e6 11.Qb3 Nd7 12.d4 N5f6 13.Nbd2 Ne4 14.Ne4 Be4 15.Rac1 c6 (better 15...a5!?+=) 16.Qc3 Bd5 17.Nd2 f5 18.f3 Nf6 19.Bd3 c5 (19...a5 20.ba5 Ra5 21.e4+/-) 20.dc5+- bc5 21.bc5 Rc8 22.Rfd1 Qe7 23.e4 Bc6 (23...Bb7 24.Re1 f4 25.Nb3+-) 24.Re1 (24.ef5 ef5 25.Re1 Qd7+-) 24...Qc7 (24...f4!?+/-) 25.Nb3 fe4 26.Be4 Be4 27.Re4 (27.fe4?! e5+/-) 27...Kg8? (better 27...Rfe8+-) 28.Re6 Qf4 (28...Nd5 29.Qc4 Rcd8 30.Re4+-) 29.Ree1 (29.g3 Qf5 30.Re5 Qd7+-) 29...Rb8 (29...Nd5 30.Qd3 Rfd8 31.Rcd1+-) 30.Nd4 Rfe8 (30...Rf7+-) 31.Ne6 Qf5 (31...Re6 32.Re6 Nd5+-) 32.g4 (32.g4 Qd5 33.Qf6+-) 1-0. Kolesnikova,K (2005) - Seemann,Jakub (1785), 9th Hradec Kralove Open, 2018. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5)

8.a3 c5 9.bc5+/– Qa5 10.Qc2 Nc6 11.Be2 Ndb4?? (better is 11...e5+/–) 12.Qc3+– (12.ab4?! Qa1 13.b5 Ne5=) 12...Kg8 13.ab4 Qc7 14.0-0 Bg4 15.d4 a5 16.b5 Nb4 17.Nbd2 Rfd8 18.b6 Qb8 19.Ra4 Rd5 20.Rfa1 Rh5 21.h3 Bf3 22.Nf3 g5 23.Ra5 g4 24.Ne5 Ra5 25.Ra5 Nd5 26.Qa1 gh3 27.Bh5 h2 28.Kh2 f6 29.Ra8 (29.Ra8 fe5 30.Rb8 Kg7 31.Rb7 Kh6 32.Bf7 Ne3 33.Re7 Ng4 34.Kg3 Ne3 35.Qh1 Kg7 36.Be8 Kf8 37.Qh7 Nf1 38.Kh4 ed4 39.Qf7) 1–0. Fournier,Frederic (1860) – Karpov23 (1770), Active (5/0), 2005.

8.a3 c6 9.Qc2 Nd7 (9...a5 10.b5=) 10.d4 a5 (10...N7f6 11.e4 Nf4 12.Qd2+=) 11.b5+= cb5 12.Bb5 Qb6 (12...N7f6 13.0-0+=) 13.Be2 (13.Bd3 N7f6+=) 13...N7f6= 14.Nbd2 Bg4 (14...Bf5 15.Qc5=) 15.h3 (15.Rb1 Rfc8 16.Bc4 Qd6+=) 15...Bf3 (15...Rfc8 16.Qb3 Qb3 17.Nb3 Bf3 18.Bf3=) 16.Bf3+= Rfc8 17.Qb3 Qb3 18.Nb3 Rc3 19.Nc5 b6 20.Ne4 Ne4 21.Be4 e6 22.Bd5 (22.Kd2 Rc6+=) 22...ed5= 23.Kd2 Rac8 24.Rhb1 (24.Rhc1!? Rc1 25.Rc1 Rc1 26.Kc1=) 24...Rc2+= 25.Ke1 R8c6 26.Kf1 Rf6 (26...h6 27.Re1+=) 27.f3 Rfc6 (better is 27...Re6 28.Re1 h6+=) 28.Rb3 (better is 28.a4!?+=) 28...Rd2-/+ 29.e4 (29.g4 a4 30.Rb5 Rcc2–+) 29...de4 30.fe4 Rd4 31.Rab1 (31.e5!?-/+) 31...Re4–+ 32.Rb6 (32.Rd3 h5–+) 32...Rb6 33.Rb6 Re3 34.a4 Re4 35.Ra6 (35.Kf2 Ra4 36.Kf3 Ra1–+) 35...Ra4 36.Ke2 Ra3 37.Kf2 h5 38.h4 Ra4 39.Kf3 (39.Ke3 Ra2 40.Kf3 a4–+) 39...Rh4 (39...Ra2 40.g3–+) 40.Ra5 Rb4 41.Ra6 (41.Ke3 f5–+) 41...g5 42.Ra2 (42.Ra5 Kg6–+) 42...Kg6 (42...h4 43.Kf2–+) 43.Kg3 (43.Ke3 h4–+) 43...Rb3 (43...h4 44.Kf2–+) 44.Kh2 Re3 45.Rf2 (45.Kg1 f5–+) 45...h4 46.Rf1 (46.Rb2 g4–+) 46...g4 47.Rf4 (47.Rb1 f5–+) 47...f5 48.Ra4 (48.Rf1 h3 49.gh3 Rh3 50.Kg1 Kg5–+) 48...Kg5 (48...Re1 49.g3 Re2 50.Kg1 hg3 51.Ra6 Kg5 52.Ra5–+) 49.Rb4 (49.Kg1 h3 50.gh3 Rh3–+ (worse is 50...gh3 51.Kh2–+)) 49...Re1 50.g3 Re2 51.Kg1 hg3 52.Kf1 (52.Rb5–+) 51...Rc2 (52...Rc2 53.Rb5 Kh4–+) 0–1. Tunks,Dominic R (2060) – Stewart,Ashley (2075), BCF–chT2b, 2014. (=1.Nf3 d5 2.e3 g6 3.c4 Nf6 4.b4 Bg7 5.Bb2 0-0 6.cd5 Nd5 7.Bg7 Kg7)

8.a3 c6 9.d4 a5 10.b5 a4=.

8.a3 c6 9.Be2 Nd7 10.0-0 N7f6 11.Qc2 Nc7 12.Nc3 Kg8 13.Rfd1 Nfd5 14.e4 Nf4 15.d4 Ne2 16.Qe2 e6 17.Qe3 Qf6 18.Rab1 a6 19.Ne5 Nb5 20.Ne2 Rd8 21.f4 Qg7 22.a4 Nd6 23.Nc3 f6 24.Nf3 Bd7 25.Kh1 Be8 26.g4 Rac8 27.Qe2 f5 28.gf5 ef5 29.e5 Nf7 30.a5 Rc7 31.Qc4 Kh8 32.d5 Nh6 33.d6 Rcd7 34.Rd2 Ng4? 35.h3 Qh6+/– 36.Ng5 Qh4+– 37.Qe2?? h6= 38.Kg2 hg5 39.hg4 Rh7 40.Qe3 gf4-/+ 41.Qf4 Qh3 42.Kf2 Qc3 43.Rbd1 Qh3 44.e6-/+ Qh2 45.Qh2= Rh2 46.Kg3 Rd2 47.Rd2 Kg7 48.d7 Kf6 49.de8Q Re8 50.gf5 gf5 51.Kf4 Re6–+ 52.Rd4 Re1 53.Kf3 Ke6 54.Rh4 Kd6 55.Rd4 Ke6 56.Rh4 Rb1 57.Ke3 Rb3 58.Kd2 c5! 59.bc5 Rb5 60.Ra4 Kd5 61.Ke3 Kc5 62.Rf4 Kc6 63.Ra4 Kd5 64.Kf4 Ke6 65.Kg5 Ke5 66.Kg6 f4 67.Kg5 f3 68.Rf4 Ke6 69.Kg4 Ra5 70.Kf3 Ra3 71.Ke2 Kd5 72.Kd2 Kc5 73.Kc2 b5 74.Kb2 Rh3 75.Rf5 Kb4 76.Rf4 Ka5 77.Rf2 b4 78.Rf5 Ka4 79.Rf6 a5 80.Rf2 Rc3 81.Rh2 Kb5 82.Rh8 Rc6 83.Rb8 Kc4 84.Ra8 Rc5 85.Rh8 a4 86.Rh4 Kb5 87.Rh8 Rd5 88.Rb8 Kc4 89.Rc8 Rc5 90.Rh8 a3 91.Ka2 Rd5 92.Rc8 Kd3 93.Kb3 Rd4 94.Rc2 Rg4 95.Rh2 Re4 96.Rh3 Re3 97.Rh2 Re2 98.Rh3 Kd2 99.Ka2?? Kc2 100.Rh8 Kc1 101.Ka1 Rd2 102.Rb8 Rb2 103.Rc8 Rc2 104.Rb8 Rc4 105.Ka2 Kc2 106.Rb7 Kc3 107.Rb8 Kd2 108.Rd8 Kc1 109.Rb8 Rc2 110.Ka1 Rb2 111.Rc8 Kd2 112.Rd8 Ke3 113.Re8?? Kd4–+ 114.Rd8 Kc5 115.Rd5 Kc4 116.Rd4 Kb5 117.Rd5 Ka4 118.Ra5 Kb3 119.Ra3 ½–½. Danek,Vaclav – Polomis,Zdenek (2065), Open A, Klatovy CZE, 2004.

8.a3 Be6 9.Nc3 Nc3 10.dc3 c5 11.Qd8 Rd8 12.Be2 cb4 13.cb4 Nc6 14.0-0 Rd7 15.Rfd1 Rad8 16.Rd7 Rd7 17.Rd1 Rd1 18.Bd1 Kf6 19.Ba4 Bd5 20.Bc6 Bc6 21.Nd4 Ke5 22.Nc6 bc6 23.Kf1 Kd5 24.Ke2 Kc4 25.Kd2 Kb3 26.f4 Ka3 27.Kc3 h5 28.h3 e6 29.g4 hg4 30.hg4 f6 31.g5 f5 32.Kc4 Ka4 33.Kc5 a6?? 34.Kc6?? Kb4–+ 35.Kd6 a5 36.Ke6 a4 37.Kf6 a3 38.Kg6 a2 39.Kf5 a1Q 40.e4 Qa5 41.e5 Kc5 42.g6 Qb6 43.g7 Qd8 44.Kg6 Qg8 45.f5 Kd5 46.f6 Ke6 47.f7 Qf7 48.Kh7 Qh5 49.Kg8 Ke5 50.Kf8 Qf5 51.Kg8 Kf6 52.Kh8 Qh5 53.Kg8 Qf7 54.Kh8 Qg7 0–1. Fournier,Frederic (1970) – sosalp, Active, 2011.

8.a3 Re8 9.Qc2 (9.Qb3 Bf5=) 9...e5 10.Nc3 a6 (10...Bf5 11.e4 Nc3 12.dc3= (12.Qc3? Be4 13.Be2 Nc6-+)) 11.Bc4 (11.h4 Be6=) 11...Nb6= 12.Bb3 Nc6 13.Rc1 Bf5 14.e4? (14.Ne4 Nd5 15.0-0 Nf6=) 14...Nd4 (better 14...Bg4 15.Ne2 Bf3 16.gf3 Qg5-/+) 15.Nd4= ed4 16.0-0 Be6 17.Be6 Re6 18.Nd5 (18.Ne2!?=) 18...Nd5=+ 19.ed5 Qd5 20.Qc7 Rae8 21.Qc4 Qd6 22.g3 (22.Qd3 b5=+) 22...h5 (22...Re2 23.Qd3=+) 23.h4 ½-½. Ninochka2001 (1760) - Lance5500 (2620), lichess.org, 2017. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.Nf3 d5 6.cd5)

8.a3 Bf5=.

8.a3 Bg4 9.Be2 Nd7 10.Nc3 N7f6 11.0-0 c6 12.h3 Bf5 13.Nd5 cd5 14.d4 Rc8 15.Rc1 Qd7 16.Qb3 Ne4 17.Bd3 Nd6 18.Bf5 Nf5 19.Ne5 Qd6 20.f4 f6 21.Nf3 Qe6 22.Kf2 Nd6 23.Nd2 b5 24.Qd3 a6 25.Nb3 Nc4 26.Nc5 Qb6? 27.Nd7+/– Qd6 28.Nf8 Rf8 29.Rc3 e5 30.de5 fe5 31.g3 d4 32.ed4 ef4 33.g4 f3= 34.Rc4?? bc4 35.Qc4?? Qh2–+ 36.Ke3 Re8 37.Kd3 Qe2 38.Kc3 Re3 (38...Re3 39.Qd3 Qd3 40.Kb2 Re2 41.Ka1 Qd4 42.Kb1 Qb2) 0–1. Fournier,Frederic (1965) – jarto (2050), Active (5/0), 2004.

8.Qb3 Nb6 9.Na3 Be6 10.Qb2 f6 11.Be2 a5 12.b5 Qd6 13.0-0 N8d7 14.d4 Rfc8 15.Nd2 Na4 16.Qc1 Ndb6 17.Ne4 Qd7 18.Nc5 Nc5 19.dc5 Nd5 20.Rd1 Qe8 21.Nc4 Qb5= 22.Rb1 Qc5 23.Rb7 Rab8 24.Rb8 Rb8 25.e4 Nb4 26.Rd2 Bc4 27.Qc4 Qc4 28.Bc4 c5 29.f3 Nc6 30.Kf2 Nd4 31.Ke3 e5 32.Rd3 Kf8 33.h4 Rb2 34.Rd2 Rd2 35.Kd2 h5 36.Kc3 g5 37.hg5 fg5 38.Kb2 Ke7 39.Ka3? Nc2 40.Ka4 Ne3 41.Ka5 Nc4 42.Kb5 Ne3 43.Kc5 Kd7 44.a4 Kc7 45.a5 h4 0–1. Hammer,Peter – Moen,Ole Christian (2245), Malta ol (Men), 1980.

8.Qb3 Nb6 9.a4 Bf5 10.Nd4 Be4 (10...Bb1 11.Qb1 e5 12.Nf3=) 11.Nc3 Bd5 12.Nd5 Nd5 13.Bc4 c6 14.b5 Nc7 15.0-0 c5 16.Nf3 Nd7 17.d4 b6 (17...cd4!? 18.Qb2 e5+=) 18.Rfd1+/– Qc8 19.Rac1 Qb7 20.Ng5 e6 21.e4 h6= 22.Qc3 Kg8 23.Nf3 Qe4 24.Re1 Qb7 25.dc5 Nc5 26.Ne5 Nd5 27.Qh3 Kg7 28.Ng4 h5 29.Bd5 Qd5 30.Rcd1 Qb3 31.Ne3 Qa4–+ 32.g4 hg4 33.Ng4 Qf4 34.Qc3 f6 35.Rd4 Qg5 36.Re3 Rad8 37.Rg3 Rd4 38.Qd4 Qd5 39.Qf4 g5 40.Ne3 Qe4 41.Qd6 Qb1 42.Kg2 Ne4 43.Qe6? Ng3 44.hg3 Kg6 45.Nd5?! Rf7 46.g4 Qb5 47.Qe4?? Kg7–+ 48.Ne3 Qd7 49.Nf5 Kh8 50.Qa8 Kh7 51.Qb8 Qb7 (51...Qb7 52.Qb7 Rb7–+) 0–1. Moehring,Norbert (2155) – Guldner,Felix (1610), Saarlouis op 7th, 2004.

8.Qb3 Nb6 9.Be2 Be6 10.Qb2 Kg8 11.d3N Qd6 12.Nc3 a5 13.b5 Nd5 14.Nd5 Bd5 15.0-0 Nd7 16.Rfc1 Rfc8 17.e4 Be6 18.d4 Nb6 19.Ng5 Bd7 20.e5 Qb4 21.Qc2 (21.Rab1!?+=) 21...Qd4= (21...Bb5? 22.Rab1 Qd4 23.Rb5+– (23.Bb5?! Qe5 24.Nf3 Qf4+/–)) 22.Bf3 (better is 22.Nf3 Qf4 23.Qc5=) 22...Bf5?? (better is 22...Qe5!? 23.Qd2 f6 (23...Qb5?! 24.Bb7 Qf5 25.Rc3+=; 23...Bb5?! 24.Bb7 Rd8 25.Qe3 Qe3 26.fe3-/+) 24.Bb7 fg5 25.Bc8 Rc8 26.Qa5 Qb5 (worse is 26...Bb5 27.Rab1+/–) 27.Qb5 Bb5–+) 23.Qe2 (23.Qb3!? Rf8 24.Bb7+=) 23...Qf4 (23...c6 24.bc6 bc6+=) 24.h4 (better is 24.Nf7!? Kf7 25.Bb7=) 24...Qh4+= 25.Nf7 Kf7 26.Bb7 Rab8 27.Bc8 Rc8 28.Rc6 Nd5 29.e6 Kf8 30.Qd2 Qf6 (30...Nf4 31.Rc7 Rc7 32.Qd8 Kg7 33.Qc7–+) 31.Rd1 Nb4 32.Rc5 Qe6 33.Qh6? (better is 33.a3!? Nd3 34.Rf5 Qf5 35.Qd3 Qd3 36.Rd3+=) 33...Kg8-/+ 34.Rc7 Rf8 (34...Na2? 35.Rc6 Qe4 36.Rc8 Bc8 37.Rd8 Kf7 38.Qh7 Ke6 39.Rc8+–) 35.b6 (35.Qe3 Be4 36.Rd4=) 35...Nd5–+ (35...Qa2 36.Re7 Qf7 37.Rf7 Kf7 38.Qh7 Kf6 39.Rd6 Be6 40.Qd7 Kg5 41.Qe6 Rd8 42.Qf6 Kh5 43.f4 Rd6 44.Qg5; 35...Na2 36.Qf8!! Kf8 37.b7+–; 35...Qb6 36.Re7 Qf2 37.Kf2 Bd7 38.Kg3 Rf7 39.Rdd7 Rf3 40.Kf3 Na2 41.Qg7) 36.Rc5 Nb6 37.Ra5 Nc4 38.Ra7 Qe2 39.Rf1?? (better is 39.Rc1-/+) 39...Bd3–+ 40.Rc1 0–1. Gubajdullin,Alexei (2355) – Eliseev,Urii (2535), Chigor Memorial Blitz, 2015. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d5 5.c4 0-0 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Nb6 9.Be2 Kg8 10.0-0 Be6 11.Qc2 Nc6 12.a3 Qd5 (12...Bf5 13.d3 Qd6 14.Nc3+=) 13.Nc3+= Qf5 14.Qf5 ½–½. Brauer,Christian (2100) – Lenk,Wolfgang (2210), World Senior Teams +65, 2016. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Nc6 9.Qb2 f6 10.b5 Na5 11.Nc3 c5 12.bc6 Nc6 13.Nd5 Qd5 14.Rc1 Bg4 15.Be2 Rad8 16.h3 Bf3 17.Bf3 Qa5 18.Bc6 bc6 19.Rc6 Qd5 20.Rc7 Rb8 21.Qc2 (21.Re7? Kh8 22.Qd4 Rb1 (22...Qg2?? 23.Qd7 Qh1 24.Ke2+–) 23.Ke2 Qd4 24.ed4 Rh1 25.Ra7 Rd8–+) 21...Qg2 22.Rf1 Rb7 23.Rb7 Qb7 24.Qa4 Rd8 25.Ke2 Qd5 26.Rd1 Qd3 27.Ke1 a6 28.h4 Rb8 29.Qg4 Kf7 30.Qa4 Rb2 31.Qa5 Qc4 32.Ra1 Qh4 33.Ke2? (better is 33.Qa6!? Qh1 34.Qf1-/+) 33...Qg4 34.f3? (34.Kd3–+) 34...Qg2 35.Kd3 Qf3 36.Rc1 Rb5 (36...Qb7 37.a4 Ke6 38.Ke2 Qg2 39.Kd3 Qd5 40.Qd5 Kd5 41.Rc7–+) 37.Qc3 (37.Qa6 Qd5 38.Ke2 Qh5 39.Ke1–+) 37...Rd5 38.Kc2 Qe2 0–1. chessymom (1790) – amstersofia (2080), gameknot.com, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 d5 4.e3 Bg7 5.Bb2 0-0 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Bg4 9.Be2 f6 10.h3 Be6 11.Qb2 Bf7 12.0-0 Nc6 (12...e5 13.d4=) 13.a3 (13.b5 Na5+=) 13...e5 14.Nc3 Nc3 15.dc3 e4 16.Nd4 Ne5 17.Rfd1 Qe7 18.Qc2 f5 19.c4 Qf6 20.c5 g5 21.Nb5 (21.Rd2 Bd5+=) 21...Rfc8 (21...a6 22.Nd4+= (worse 22.Nc7 Rac8=+)) 22.Rd4 (22.Rab1 a5+=) 22...a6 (22...Nc6 23.Rdd1=) 23.Nc3+= h5 24.Nd5 (better 24.Rad1+=) 24...Bd5-/+ 25.Rd5 Nf3 26.Bf3 (26.Bf3 Qa1 Double attack (26...Qa1 Discovered attack); 26.gf3 Qa1 Double attack (26...Qa1 Discovered attack)) 26...Qa1-/+ 27.Rd1 Qf6 28.Bh5 Rd8 29.Be2 Rd1 30.Qd1 Rd8 31.Qa4 (31.Qc1 f4=+) 31...Qa1 32.Kh2 Qe5 33.Kg1 Rd2 34.Bh5? (34.Bf1 f4 35.Qb3 Qf6-/+) 34...Ra2?? (34...Kh6 35.b5 Kh5 36.ba6 ba6 37.g3-+) 35.g3? (35.Qd7!? Kh6 36.Bd1=+) 35...f4 (better 35...Rd2 36.Qb3 Qa1 37.Kg2 Qa2 38.Qa2 Ra2-+) 36.Qb3? (36.Qd7 Kh6 37.ef4 gf4-/+) 36...Ra1 (better 36...Qa1!? 37.Kg2 f3 38.Bf3 ef3 39.Kf3 Ra3-+) 37.Kh2 (37.Kg2 f3 38.Kh2 Rf1 39.Qf7 Kh8 40.Qf8 Kh7 41.Qf7 Qg7=+) 37...fg3-+ 38.fg3 (38.Kg2 Qf6 39.f3 ef3 40.Bf3-+) 38...Qf6 39.Qc2 Rf1 (39...Ra3!? 40.Qd2-+) 40.Kg2 Kh6 (40...Re1!? 41.Qf2 Qf2 42.Kf2 Ra1-+) 41.Bg4-/+ Re1 42.Qc4?? (42.Qf2 Qf2 43.Kf2 Ra1-+) 42...Rb1 (better 42...Qb2 43.Be2 Re2 44.Qe2 Qe2 45.Kg1 Qe3 46.Kg2 Qf3 47.Kh2 Qf2 48.Kh1 e3 49.h4 e2 50.hg5 Kg5 51.b5 e1Q) 43.h4 (43.Be2 Rb2 44.Kh1 Rd2-/+) 43...Qb2 (better 43...gh4!? 44.Qe6 Qe6 45.Be6 hg3 46.Kg3 Rf1-+) 44.Be2-/+ Qf6 (better 44...Kg7!? 45.hg5 Rc1 (45...Qa3 46.Qd4 Kh7 47.Qe4 Kg8 48.Qe8 Kg7 49.Qe7 Kg8 50.Bc4 Kh8 51.Qf8 Kh7 52.Qg8) 46.Qd4 Qd4 47.ed4 Ra1-/+) 45.Qe4+= Rb2 46.hg5 Kg5 47.Qh4 Kg6 48.Qh5 Kg7 49.Qg4 Kf8 50.Qc8 Kf7 51.Qd7 Kg8 52.Qe8 Kg7 53.Qh5 Qe6 54.Qg5 Kf8 (54...Kf7 55.Kf3 Rb3 56.Qf4 Kg6 57.a4+=) 55.Qf4 (55.Qd8!? Kf7 56.Qc7 Kg6 57.Kf2 Qf6 58.Qf4+/-) 55...Ke8+= 56.Kf3 (56.Kf2 Qe7+=) 56...Qf7 (56...Rb3!?=) 57.Qf7+= Kf7 58.g4 Kf6 59.Bc4 Rc2 60.Bg8 Rc3 61.a4 Ra3 62.b5 Ra4 63.c6 bc6 64.ba6 Ra6 65.Kf4 Ra5 (65...Ra1 66.e4-/+) 66.Bb3 (66.e4 c5-/+) 66...Re5 (66...Rb5 67.Bg8-/+) 67.Bc2 c5 68.Bf5 Rd5 69.g5 Kg7 (69...Ke7 70.e4 Rd1 71.Ke3-/+) 70.e4 (70.Be6 Rd1-/+) 70...Rd1 71.Be6 Rc1 72.Ke3 (72.Bf5 c4 73.Ke3 Rd1-+) 72...Rc3 73.Kd2 (73.Kf4 c4 74.Bf5 Rd3-+) 73...Rg3 74.Bf5 (74.Bd5 Kg6-+) 74...Rg5 75.Kc3 Rg1 76.e5 (76.Kc4 Rc1 77.Kd3 Kf6-+) 76...Re1 77.e6 (77.Kc4 Re5 78.Bd3 Kf6-+) 77...Kf6 78.Bg4 Re4 79.Bd1 (79.e7 Re7 80.Bc8 Re1-+) 79...Ke6 80.Bc2 Rd4 81.Bb3 Kd6 82.Bc2 (82.Bc4 Rh4 83.Kd3 Rh3 84.Ke4 Rc3-+) 82...Rh4 (better 82...Kd5 83.Bg6-+) 83.Bd3 (83.Bg6 c4-+) 83...c4! 84.Bc4 (84.Bf5-+) 84...Rc4! 85.Kc4 Kc6 86.Kd3 Kd5 87.Kc3 Kc5 88.Kc2 Kc4 89.Kb2 c6 90.Kc2 c5 91.Kc1 Kc3 92.Kd1 Kb2 93.Kd2 c4 (93...c4 94.Ke3 c3 95.Ke4 c2 96.Kd4 c1Q 97.Ke4 Qc5 98.Kd3 Qd5 99.Ke2 Qf5 100.Ke3 Kc3 101.Ke2 Qf4 102.Ke1 Kd3 103.Kd1 Qd2) 0-1. carlos78 (2225) - zuckertort (2445), Rated Blitz game, lichess.org, 2015.

8.Qb3 Kg8 9.Nc3 Nc3 10.Qc3 Nd7 11.Bc4 Nb6 12.0-0 Bf5 13.d4 c6 14.Bd3 (14.Rfc1!?+=) 14...Nd5= 15.Qb3 Bd3 16.Qd3 Nb4 17.Qb3 Qd6 (17...Qb6 18.e4 Na6 19.Qe3=) 18.e4 (18.Ne5 b5=) 18...c5 (18...a5 19.a3 Na6 A) 20.Qb7? Rfb8 21.e5 Qe6–+ (21...Rb7?! 22.ed6 ed6 23.Rfe1-/+); B) 20.Rfc1=) 19.Rfd1 (19.dc5 Qc5 20.Rab1 Nc6=) 19...Rfd8 (19...Na6 20.Rab1=) 20.d5 (20.Rab1 Rac8 21.Ng5 e6=) 20...b6 21.Qe3 Qf6 22.Qh6 Rd7 23.Ng5 Qg7-/+ 24.Qh3 Rad8 25.Qf3 Nc2 26.Rab1 Nd4 27.Qd3 e6 28.de6 Ne6 29.Qd7+= Rd7 30.Rd7 Ng5 31.Rd8+/– Qf8 32.Rf8 Kf8 33.e5 Ke7 34.f4 Ne4 35.a4 Nc3+= 36.Ra1 Ke6 37.a5 b5 38.Kf2 b4 39.Ke1? b3–+ 40.Ra3 b2 (40...b2 41.Rb3 b1Q 42.Rb1 Nb1–+) 0–1. gtate (1690) – thefrench (2150), net–chess.com, 2002. (=1.e3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.cd5)

8.b5 a6 9.Qb3 ab5 10.Bb5 c6 11.Bc4 Bf5 12.0-0 Na6 13.Qb7 Nab4 14.Bd5 Qd5 15.Qb4 c5 16.Qc3 Kg8 17.d4 cd4 18.Qd4 Qb7 19.Nc3 Be6 20.a4 Rfd8 21.Qe5 Rac8 22.Nb5 Bc4 23.Rfb1 Rd5 24.Qb2 Qd7 25.Nfd4 Bd3 26.Rc1 Rd8 27.Rc7 Qg4 28.h3 Qg5 29.Nf3 Qh5 30.Re7 Bb5 31.ab5 Rd1 32.Rd1 Rd1 33.Kh2 Qd5 34.Qf6 h5 35.b6 Qd6 36.Qd6 Rd6 37.b7 Rd8 38.Rc7 Kg7 39.Rc8 Rc8 40.bc8Q f5 41.Qe6 Kh6 42.Ne5 h4 43.Qg6 1–0. Abdullaevich (1850) – ebirad6 (1805), lichess.org, 2020.

8.b5 c6 9.a4 Bg4 10.Be2 c5 (10...a6 11.Nc3=) 11.h3 (11.d4 cd4 12.Qd4 Nf6+=) 11...Bf5 12.0-0 Nb4 (12...Qd6 13.a5=) 13.Qb3 Bd3 (13...Nc2 14.Ra2 Nb4 15.Rb2+=) 14.Nc3 (better is 14.Qc3!? e5 15.Bd3 Nd3 16.Ne5 Ne5 17.Qe5 Qf6 18.Qf6 Kf6 19.Nc3+/–) 14...Be2 (14...a5 15.Bd3 Qd3 16.Ne1=) 15.Ne2+= Qd3 16.Qb2 f6 (16...Kg8!? 17.Nf4 Qd6+=) 17.Nf4+/– Qc2? (17...Qf5 18.Ng5 Nd3 19.Nge6 Kf7 20.Nd3 Qe6 21.Nc5+–) 18.Ne6 (better is 18.Qc2 Nc2 19.Rac1+–) 18...Kf7+/– 19.Nfg5 (better is 19.Qc2!? Nc2 20.Nf8 Na1 21.Ng6 (worse is 21.Nh7 Nb3+=) 21...hg6 22.Ra1+/–) 19...fg5= 20.Ng5 (20.Qg7 Ke6 21.Qf8 A) 21...Qd2?? 22.Rad1 Qc2 23.Qc8 Kf7 24.Qb7 Qa4 25.Rd8+– (worse is 25.Qa8 Qb5 26.Qa7 N8c6+–); B) 21...Qf5 22.Qg8 Kd7=) 20...Kg8 (20...Ke8!? 21.Qc2 Nc2=) 21.Qe5= Qf5 (21...Qd2 22.Qe6 Kg7 23.Qe7 Kh6 24.Qf8 Kg5 25.Qf4 Kh5 26.g4 Kh4 27.Qh6) 22.Qe7 Rf7?? (22...Qd7 23.Qc5 a5= (23...Qd2? 24.Rad1 Qb2 25.Qc7+–)) 23.Nf7+– (23.Qf7?! Qf7 24.Nf7 Kf7+=) 23...Qf7 24.Qc5 Nd3?? (24...Nd5+–) 25.Qc8 Kg7 26.Qc3 Kh6 27.Qd3 Nd7 28.Rac1 Ne5 (28...Nf6 29.Qc4 Qc4 30.Rc4+–) 29.Qe4 Re8 30.Qh4 (30.Rc5 Qe7 31.Rfc1 Nf7 32.Qe7 Re7+–) 30...Kg7 31.Qd4 Kg8 32.f4 Nd7 33.Rc7 Re7 34.Rfc1 Nb6 (34...Nf8 35.Qd8 Re8 36.Rf7 Rd8 37.Rb7 Rd2 38.Ra7+–) 35.Qd8 (35.Re7 Qe7 36.a5 Qd7 37.ab6 Qd4 38.ed4 ab6+–) 35...Re8 36.Qd4 Re7 37.Qd8 (37.Re7 Qe7 38.a5 Qd7 39.ab6 Qd4 40.ed4 ab6+–) 37...Re8 38.Rf7 Rd8 39.Rb7 Rd2 (39...Na4 40.Rcc7 Nb2 41.Rg7 Kh8 42.Rh7 Kg8 43.Rhg7 Kh8 44.Rg6 Rd2 45.f5 Rd1 46.Kh2 Rd5 47.f6 Rd8 48.Rbg7 Nd3 49.Rh6) 40.Ra7 h5 (40...Rd8 41.a5 Nd5 42.b6 Nb6 43.ab6 g5 44.b7 gf4 45.Rc8 Kg7 46.b8Q Rd7 47.Rd7 Kf6 48.Rc5 fe3 49.Qd6) 41.a5 Nd5 42.Rc8 1–0. GuestZTPF – GuestDJQF, freechess.org, 2018.

8.Qc1 Qd6 9.a3 e5 (9...Bg4 10.Nc3+=) 10.Nc3= Nc3 (10...Bg4 11.Ne4 Qe7 12.Qc5 Qc5 13.Nc5 Bf3 14.gf3=) 11.Qc3 f6 12.Rc1 c6 13.d4 e4 14.Nd2 f5 (14...Re8!?+=) 15.Be2 Kg8 16.h4 Be6 17.h5 Bd5 18.Nc4 Qe6 19.hg6 hg6 20.Nd2 ½–½. Tsyhanchuk,Stanislav (2380) – Sieciechowicz,Marcin (2435), Saint–Lo FRA, Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qc1 f6 9.a3 a5 10.b5 c6 11.Nc3 cb5 12.Bb5 Be6 13.0-0 Nc3 14.Qc3 Bd5 15.Rfe1 Bf3 16.gf3 Qd5 17.Bf1 Nc6 18.f4 Rac8 19.Qb2 Rc7 20.d4 Rfc8 21.Bh3 e6 22.Qb6 Nd8 23.Bg2 Qh5 24.d5 ed5 25.Qa5 Rc5 26.Qa4 R8c7 27.Rad1 Ne6 28.Qb3 Increasing the pressure on the isolated pawn on d5 28...Rd7 29.Rc1 Qf5 30.Rc5 Nc5 31.Qb5 d4 32.ed4 Rd4 33.Rc1 The pawn on b7 gets attacked 33...Ne6 34.Qf5 gf5 35.Bb7 Nf4 36.Kf1 Rd2 37.Ra1 Nd3 38.a4 Rf2 (38...Nf2? 39.a5 Ne4 40.a6 Rh2 41.Ra3+–) 39.Kg1 Rb2 40.Bg2 f4 (better is 40...Nc5!?=) 41.a5+/– Ne5 42.a6 f3 43.Bh3 f2 44.Kh1 (44.Kg2 Nc6 45.Bd7+–) 44...Re2= 45.Rf1 Ra2 46.Bc8 Nd3 47.Kg2 Nb4 48.Rf2 Rf2 49.Kf2 Na6 50.Ba6 h5 51.Kg3 f5 52.Kf4 h4 53.h3 Kh8 54.Be2 Kg7 55.Bg4 fg4 56.Kg4 Kh8 57.Kh4 Kg7 58.Kg5 Kh8 59.h4 Kg7 60.h5 Kh8 ½–½. Zarubitski,Viachaslau (2265) – Zhou,Jiangnan (2175), World U16 Olympiad, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.cd5 Nd5 7.Bg7 Kg7)

8.Qc1 f6 9.a3 a5 10.b5 Bg4 11.Be2 e5 12.Nc3 Nc3 13.Qc3 Nd7 (13...c6 14.Qc4 Bd7 15.Qa4=) 14.Rc1 Rc8 (14...Qe7 15.h3 (worse 15.Qc7 Rfc8 16.Qc8 Rc8 17.Rc8 Qa3=+) 15...Bf3 16.Bf3=) 15.Qa5 Nb6 (15...Nc5 16.Rc4 Nd3 17.Bd3 Qd3 18.Qc3 (18.Rc7? Kh6 19.h3 Bf3 20.gf3 Qb1 21.Ke2 Qh1-+) 18...Qb1 19.Qc1 Qc1 20.Rc1+=) 16.d3 (16.Qb4 Be6+/-) 16...Bf3 (16...Be6+/-) 17.gf3 (better 17.Bf3!? Rb8 18.0-0+-) 17...Qd6 18.Qc3 Rf7 19.Qc5 (19.h4 Ra8 20.Ra1 Na4=) 19...Qc5= 20.Rc5 Ra8 21.Rc3 Nd5 22.Rb3 Ra5 (22...f5 23.Kd2+=) 23.Kd2+= Rf8 (23...Rd7!?+=) 24.f4 ef4 25.Bf3 (25.Rc1 fe3 26.fe3 b6+-) 25...fe3 26.fe3 c6 (26...Rd8 27.Rc1 Kf8 28.Bd5 Rd5 29.Rc7 Rab5 30.Rb5 (worse 30.Rb7 Rb3 31.Rb3 Rh5+=) 30...Rb5 31.Rh7+/-) 27.Rc1 Re8 (27...Ne7 28.bc6 bc6 29.Rb7+/-) 28.bc6 (28.d4!? Ne7+/-) 28...bc6+/- 29.Rc6 (29.d4 Re6+/-) 29...Ne3+= 30.Rb7 (30.Rc7 Kh6+=) 30...Kh6= 31.Rf6 Ra3 (31...Nf1 32.Kc2 Ra3 33.Rff7 Ne3 34.Kd2 Ra2 35.Kc3=) 32.Be4 Nf1?? (better 32...Nc4! 33.Kc2 Kg5=) 33.Rf1+- Ra2 34.Ke3 Rh2 35.Rff7 Rh8 36.d4 Rh4 (36...Rh3 37.Bf3+-) 37.d5 Re8 (37...Kg5 38.d6 Rh3 39.Kd4+-) 38.Rh7 Kg5 39.Rh4 (39.Rhe7 Ra8 40.Re5 Kh6+-) 39...Kh4 40.Kd4 g5 41.d6 g4 42.d7 Rd8 43.Ke5 g3 (43...Kg3 44.Rb3 Kf2 45.Kd6+-) 44.Kd6 (44.Kf4 Kh3 45.Rb5 Kh2 46.Rb2 g2 47.Rg2 Kh3 48.Rd2 Rf8 49.Bf5 Rf5 50.Kf5 Kg3 51.d8Q Kh3 52.Qd3 Kh4 53.Rh2) 44...g2 (44...Kg4 45.Kc7 Rg8 46.Rb4+-) 45.Bg2 1-0. pacal56 (2245) - mecker (2165), Rated Blitz game, lichess.org, 2014. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3 d5 6.cd5)

8.Qc1 f6 9.a3 c6 10.d4 a5 11.b5 Qb6 12.bc6 Qc6 13.Nbd2 Bd7 14.Qc6 Nc6 15.Bc4 Nc7 16.Rb1 Rab8 17.Rb6 Na7 18.Ne4 Bc6 19.Nc5 Nc8 20.Rb2 Nd6 21.Ne6 Ne6 22.Be6 Bb5 23.Nd2 f5 24.f3 Kf6 25.d5 Be8 26.Ke2 Bf7 27.Bf7 Kf7 28.Rc1 Rfc8 29.Rc8 Rc8 30.Kd3 b5 31.e4 e5 32.f4 Rc5 33.fe5 1–0. Gurgenidze – Mnatsakanian, Moscow 1972.

8.Qc1 Bg4 9.Nc3+=.

8.Qc2 Qd6 9.Qb2 Kg8 10.a3 c5 (10...a5 11.Nc3+=) 11.Nc3= Nc6 (better is 11...Nc3!? 12.dc3 a5 13.bc5 Qc5=) 12.Ne4+/– Qc7 13.Nc5 Bg4 (13...b6 14.Bc4 Ne3 15.fe3 bc5 16.0-0+/–) 14.Be2 (14.Rc1 Rac8+/–) 14...a5 (14...b6 15.Nd3+/–) 15.b5 Nd8 (15...Bf3!? 16.Bf3 Ne5 17.Bd5 Qc5 18.Qe5 e6+–) 16.Rc1+– Qd6 17.0-0 (17.Ne4 Qb6+–) 17...Nb6 (better is 17...Ne6 18.d4 Rab8+–) 18.h3 Bf5 (18...Be6 19.d4+–) 19.e4 (better is 19.d4+–) 19...Nd7 (19...Rc8 20.d4 (20.ef5?! Rc5 21.Rc5 Qc5+–) 20...Be6 21.Qd2+–) 20.d4 (20.ef5?! Nc5 21.Qc2 Nd7+–) 20...b6 (20...Be6 21.e5 Qb8 22.b6 Nc5 23.Rc5+– (23.dc5?! Bd7+–)) 21.Rfd1 White plans d5 (better is 21.e5 Qb8 22.Na6 Ra6 23.ba6+–) 21...Be6 (21...Qf6 22.e5 Qg7 23.Nd7 Bd7+–) 22.e5 Qb8 (22...Qd5 23.Bc4 Qc4 24.Rc4 Nc5 25.Rc5 bc5 26.dc5+–) 23.Na6 Qb7 (23...Ra6 24.ba6 Bd5 25.Qb5 Bf3 26.Bf3+–) 24.d5! (24.d5 Rc8 25.de6 Ne6 26.Bc4+–) 1–0. Becelic,Dejan (2100) – Zivkovic,Sava (2270), 30th Belgrade Trophy, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qc2 Nd7=.

8.Qc2 e6 9.Nc3 f6 10.Nd5 ed5 11.Be2 Nc6 12.Qb2 Qe7 13.b5 Ne5 14.Ne5 fe5 15.Rc1 Kg8 16.0-0 Qd6 17.d4 e4 18.Qc3 Rf7 19.Qc5 Qc5 20.Rc5 Be6 21.Rfc1 Rc8 22.a4 Kf8 23.Bd1 Ke8 24.Bb3 Rd7 25.a5 Ke7 26.h3 Kd6 27.f3 ef3 28.gf3 c6 29.e4 de4 30.Be6 (worse is 30.fe4 Bb3 31.R1c3 Ba2–+) 30...Ke6 31.bc6 bc6 (31...Rd4 32.cb7 Rb8 33.a6+–) 32.fe4 Rd4 33.Rc6 Rc6 34.Rc6 Rd6 35.Rc7 Ra6 36.Rh7 Ra5 37.Kf2 Ke5 38.Re7 Kf4 39.Ke2 Ra3 40.h4 a5 41.Re6 Rh3 42.Rg6 Rh4 43.Kd3 Rh3 44.Kd4 Rh1 45.Rf6 Kg5? (45...Kg4 46.e5=) 46.Ke5 (better is 46.Rf5 Kg6 47.Ra5+–) 46...a4= 47.Rf8 Kg6 48.Ke6 Kg7 49.Ra8 Ra1 50.e5 a3 51.Ke7 a2 52.e6 Kh7 53.Ra3 Kg6 54.Ra7 Kh6 55.Ra6 Kg7 56.Ra7 Kg6 57.Ra4 Kg5 58.Ra5 Kg6 59.Ra3 Kg5 60.Rg3 Kf4 61.Rg2 Kf3 62.Rh2 Kg3 63.Rd2 Kg4?? (better is 63...Kf3+=) 64.Kd7+– Kf5 65.e7 Re1 66.Rf2 Kg6 67.Ra2 Rd1 68.Ke8 Rb1 69.Rf2 Rb8 70.Kd7 Rb7 71.Kd8 Rb8 72.Kc7 Ra8 73.Rf8 Ra7 74.Kd6 Ra6 75.Kc5 (75.Kc5 Ra5 76.Kd4 Ra4 77.Ke3 Ra3 78.Kd2 Ra2 79.Kd1 Ra1 80.Ke2 Ra2 81.Kd3 Ra3 82.Kc4 Ra4 83.Kc3 Ra3 84.Kb2+–) 1–0. Fanha,Paulo Alexandre Mar (2040) – Vitorino,Luis (1890), Olival Basto Region tt, 2004. (=1.Nf3 d5 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.c4 0-0 6.cd5 Nd5 7.Bg7 Kg7)

8.Qc2 Bf5? 9.e4+– 1–0. Fritz 8 – NN, 2003.

8.Qc2 f6 9.a3 e5 10.d4 ed4 11.Nd4 Re8 12.Qc5 (12.Be2 a5=) 12...b6 13.Qc4 c5 (13...Bb7 14.Nc3+=) 14.bc5+= Ba6 15.Nb5 Nc6 (15...bc5 16.N1c3 Bb5 17.Qd5 Qd5 18.Nd5 Bf1 19.Rf1=) 16.N1c3 (16.Qa4 Na5 17.Nd6 Bf1 18.Qe8 (18.Rf1?! Re5=; 18.Kf1?! Re6=) 18...Bg2 19.Qf7 Kh8 20.Rg1 bc5 21.Qe6+– (21.Rg2?! Qd6 22.Rg3 Qd8+/–)) 16...Nc3 (16...Bb5!? 17.Qb5 Nc3 18.Qc6 Rc8=) 17.Qc3+/– bc5 18.Qc5 Rc8? (18...Bb5 19.Qb5 Nd4 20.Qa4+/–) 19.Rd1 (better is 19.Na7 Bf1 20.Nc8 (< 20.Rf1 Ne5 21.Qc8 Qa5 22.Kd1 Rc8 23.Nc8 Qa6-/+; 20.Nc6? Bg2 21.Nd8 Rc5–+) 20...Bg2 21.Rg1+–) 19...Qa5+/– 20.Qc3 Qc3 21.Nc3 Bf1 22.Rf1 Ne5 23.Nb5 Red8 24.Nd6 Rb8 25.e4 Kf8 26.f4 Ng4 27.Rf3 Rb6 28.Rfd3 Nh2 29.R1d2 Ng4 30.Ke2 Rdb8 31.g3 Rb2 32.Nc4 Rd2 33.Rd2 Ke7 34.Na5 Rc8 35.Rb2 Rc7 36.Rb7 Kd7 37.Rc7+= Kc7 38.Nb3 Kc6 39.Nd4 Kc5 40.Ne6 Kd6 41.Nf8+= Ke7 42.Nh7+/– Kf7 43.Kf3 Nh6? 44.g4+– Kg7? 45.Nf6 Kf6 46.g5 Kg7 47.gh6 Kh6 48.e5 Kg7 49.Ke4 (49...Kf7 50.Kd5+–) 1–0. Trkn – guest886, ICC, 2003.

8.Qc2 f6 9.a3 e5 10.Be2 Nc6 11.0-0 Bf5 12.d3 Be6 (12...Bg4 13.Rd1+=) 13.Nbd2 (13.b5 Na5+=) 13...Nde7 (13...a6 14.Ne4+=) 14.Nb3 (14.b5 Nb8+/-) 14...b6 (14...Bb3 15.Qb3 Qd5 16.Qc2+=) 15.Rac1 Qd6 (15...a5 16.b5 Qd5 17.Na1+/- (worse 17.bc6 Qb3 18.Qb3 Bb3=)) 16.Nfd2 (16.d4 Rad8+/-) 16...a6 17.Bf3 Bd5 18.Ne4 Qe6 19.Nbd2 Rfd8 20.Rfd1 Rab8 21.Nc3 Bf3 22.Nf3 (worse 22.gf3 f5=+) 22...Rd7 23.b5 (23.Qa4 b5 24.Qc2 a5+=) 23...ab5= 24.Nb5 Rbd8 25.d4 ed4 26.Nfd4 Nd4 27.Nd4 (worse 27.ed4 c6 28.Nc3 Rd4-/+) 27...Qd5 28.h3 c5 29.Nb5 (29.e4 Qf7 30.Nb5 Rd1 31.Rd1 Rd1 32.Qd1 Qe6=) 29...Qe6 (better 29...Qd1!? 30.Rd1 Rd1 31.Kh2 R1d2-/+) 30.Rd7= Qd7 31.Qc4 Nc6 32.Rb1 Ne5 33.Qb3 c4 (33...Qf7 34.Qc2=) 34.Qc3 (34.Qb4 Qf7+=) 34...Qd3 (34...Qd2=) 35.Rc1 (better 35.Qb4=) 35...Qe2?? (better 35...Qc3 36.Rc3 Rd1 37.Kh2 Rd2=+) 36.Nd4+- Qd3 (better 36...Rd4 37.Qd4 b5+-) 37.Ne6 Kf7 (37...Kh8 38.Nd8 Qd8 39.Qd4+-) 38.Nd8 Qd8 39.Qd4 (39.f4 Nd7 40.Qc4 Ke7+-) 39...Qe7 40.f4 Nc6 (40...Nd7+-) 41.Qc4 (41.Qc4 Kg7 42.Qc6 Qe3 43.Kh1 Qf4 44.Qc7 Qc7 45.Rc7 Kg8 46.Rb7+-) 1-0. norba94 (2420) - behnamlouiz (2430), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d5 6.cd5)

8.Qc2 Kg8 9.a3 Nd7 10.d4 N7f6 11.Nbd2 c6 12.Bd3 a5 13.b5 cb5 14.Bb5 Bd7 15.Bd7 Qd7 16.0-0 Rfc8 17.Qb2 Rc7 18.Rfc1 Rac8 19.Rc7 Qc7 20.Rb1 Nc3 21.Re1 Nfd5 22.Ne5 Qb6 ½–½. Chirpii,Alexandru (1650) – Socoteanu,Mihai (2155), Centrocoop Sept op, 1999.

8.Qc2 Kg8 9.a3 Bg4 10.Ne5 Bd7 11.d4 Nc6 12.Nd7 Qd7 13.Nc3 Nc3 14.Qc3 a6 15.Be2 e6 16.Rc1 Rac8 (16...Rfc8 17.Bf3+/–) 17.Ba6!+– Nb4 (17...ba6 18.Qc6) 18.Bb7 (18.Qb4?! ba6 19.0-0 Qb5+/–; 18.ab4?! ba6 19.Ra1 Qd6+=) 18...Na2 (18...Rb8 19.Qb4 c5 20.Qc5 Rb7 21.0-0+–) 19.Qc6 (< 19.Bc8 Qc8 20.Qc2 Nc1+/–) 19...Qc6 20.Rc6 (20.Bc6? Nc1 21.Kd2 Nb3 22.Kd3 Rb8–+) 20...Rb8 21.Rc7 Nc3 22.Rc3 Rb7 23.Kd2 Ra8 24.Rhc1 Rb2 25.R1c2 Rb1 26.Rc8 Rc8 27.Rc8 Kg7 28.Rc1 Rb2 29.Rc2 Rb1 30.Ra2 Rg1 31.a4 Rg2 32.Kd3 Rh2 33.a5 Rh1 34.a6 Rd1 35.Kc2 Rf1 36.Ra4 (36...Rf2 37.Kd3+–) 1–0. marekt – Blobby Fissure, ChessWorld.net, 2004.

8.Bc4 Be6!?+=.

8.Qb3 a5

9.Qb2 Kg8 10.b5 c5 11.bc6 Nc6 12.Be2 Ndb4 (12...Bf5 13.d4= (13.Qb7?? Ndb4-+)) 13.0-0+= e5 14.Nc3 (14.a3 e4 15.ab4 ef3 16.Bf3 Nb4+=) 14...Bg4 (14...Bf5!?=) 15.a3+/- Nd5 16.h3 (16.Qb7 Nc3 17.dc3 Qf6+/-) 16...Nc3 17.Qc3 Bf3 18.Bf3 Qd6 (18...Rc8 19.Bc6 e4 20.Qe5 bc6 21.Qe4 Qd2 22.Qa4+=) 19.Rfc1 Rfd8 20.Rab1 Rac8 (20...Ra7!?+=) 21.Rb7+/- Nd4 (21...Ne7 22.Qa1+/-) 22.Qc8+- Nf3 23.gf3 Rc8 24.Rc8 Kg7 25.Rcc7 Qf6 (25...Kf6+-) 26.Rf7 Qf7 27.Rf7 Kf7 28.Kf1 (better 28.Kg2 Kf6+-) 28...Kf6 (28...g5 29.Kg2 Ke6+-) 29.Ke2 1-0. Mirzoev,A (2470) - Meissel,Jan (1785), 42nd Eastman Open, 2019. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.cd5)

9.b5 a4 10.Qb2 f6 11.Na3 e5 12.Be2 Be6 13.0-0 Nd7 14.Rac1 Qe7 15.Bc4 N7b6 16.Be2 g5 (16...Nb4 17.Nc4=+) 17.d4 e4 18.Nd2 f5 19.Nac4 a3 20.Qb1 Na4 21.Qb3 Qb4 22.Qb4 Nb4 23.Na3 Rf7 24.Bc4 Bc4 25.Nac4 Na2 26.Ra1 N4c3 27.Ne5 (27.f3 Ne2 28.Kf2 Nec3+=) 27...Re7 28.g4 (28.f3 Rd8 29.fe4 Re5 30.de5 Rd2 31.Rf5 Nc1+= (31...Ne4? 32.e6+-)) 28...f4 29.Rfe1 f3 30.h3 Ra5 31.b6 (31.Kh2!?=+) 31...cb6-/+ 32.Ndc4 Rb5 (better 32...Ra6!?-/+) 33.Nd6=+ Rbe5 34.de5 Re5 35.Kh2 (35.Nb7? Rd5 36.Reb1 Nb1 37.Rb1 b5-+) 35...b5 36.Nb7 b4 37.Nd6 b3 38.Rab1 Nb1 39.Rb1 Rd5 40.Ne4 Rb5 41.Nd2 b2 42.Nc4 Rb4? (better 42...Nc3!? 43.Rb2 Rb2 44.Nb2 Ne4+=) 43.Rb2+- Rc4 44.Ra2 h5?? (better 44...Rc1+-) 45.Kg3 (45.Kg3 hg4 46.hg4+-) 1-0. Jirovsky,M (2445) - De Filomeno,S (2435), European Blitz, 2018. (=1.c4 Nf6 2.Nf3 g6 3.b4 d5 4.cd5 Bg7 5.Bb2 0-0 6.e3)

9.b5 a4 10.Qb2 Kg8 11.Na3 c6 (11...Nd7 12.Be2=) 12.Be2 cb5 13.Bb5 Na6 14.0-0 (14.Ba4?? Nab4 15.Bb5 Ra3–+) 14...Nac7 15.Rfc1 Qd6 16.Bf1 Rb8 (16...Bf5!?+=) 17.e4+/– Nf4 18.Nc4 Qe6 19.Nce5 Ne8 (19...Qd6 20.d4+–) 20.g3 Nh3 21.Bh3 Qh3 22.Nc6! bc6 (22...bc6 23.Qc2 Double attack (23.Qb8 Pinning; 23.Qb8 Deflection; 23.Qc2 Decoy)) 23.Qb8 Nd6 24.Qb4 f5? (24...Qg4 25.Ne5 c5 26.Rc5 Qe4 27.Qe4 Ne4+–) 25.e5 f4 (25...Nf7 26.Qe7 Qh5 27.Rc3+–) 26.ed6 fg3 27.fg3 (worse is 27.hg3 Rf3 28.Qe4 Qg4 29.Qc6 Bd7 30.Qd5 Rf7 31.de7 Qe2+–) 27...Rf3 28.Qe4 (28.Qe4 Qg4 29.Qg4 Bg4 30.Rc4+–; 28.de7?! Rg3 29.hg3 Qg3 30.Kh1 Qh3 31.Kg1 Qg3 32.Kf1 Bh3 33.Ke2 Bg4 34.Kf1 Bh3 35.Ke2 Bg4 36.Kf1 Bh3=) 1–0. Lederer,Y (2305) – Tartakovsky,Daniel (2105), TCh–ISR, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

9.b5 c6 10.Bc4 Nb6 11.Be2 Be6 12.Qb2 f6 13.Na3 cb5 14.Nb5 Nc6 15.0-0 Rc8 16.Rfc1 Bf7 17.Rab1 Nd5 18.Nc3 Nc3 19.Rc3 Rb8 20.d4 Qd6 21.Nd2 Rfc8 22.Rbc1 Qb4 23.Qa1 Na7 24.a3 Qd6 25.Ne4 Qd8 26.Qb2 Rc3 27.Rc3 Bd5 28.Bf3 b5 29.Nc5 b4 30.ab4 ab4 31.Rc1 Nc6 32.e4 Bf7 33.d5 Ne5 34.Be2 Qd6 35.h3 Nd7 36.Nd3 Ne5 37.Nc5 Nd7 38.Nb3 Rb6 39.Na5 Qe5 40.Qb1 Qf4 41.g3 Qd2 42.Nc4 Qe2 43.Nb6 Nb6 44.Qb4 Nd5? 45.ed5+– Bd5 46.Re1 Qf3? 47.Re7 Kh6 48.Qh4 Qh5 49.Qh5 gh5 50.Rd7 Bf3 51.Rd4 Kg6 52.Rf4 Bd5 53.Kf1 Be6 54.h4 Bg4 55.Ke1 Be6 56.Kd2 Kf7 57.Kc3 Bh3 58.Kd4 Ke6 59.Kc5 Ke5 60.Kc6 Ke6 61.Kc7 Ke7 62.Re4 Kf7 63.Kd8 Bf5 64.Ra4 Bc2 65.Ra5 Bg6 66.Ra7 Ke6 67.Re7 Kd6 68.Re3 Bf7 69.Ra3 Bg6 70.Ra6 Ke5 71.Ke7 f5 72.Ra4 (72.Ra4+–) 1–0. Mehlhorn,Uwe (2160) – Kussatz,Kai Stephan, Bad Frankenhausen op 2nd, 2008.

8.Qb3 c6

9.Nc3 Nc3 10.Qc3+= f6 11.Be2 (11.h4!?+=) 11...a5= 12.b5 (12.h4 ab4 13.Qb4 Na6=) 12...cb5 13.Bb5 Bd7 (13...Bg4 14.a4=) 14.Rb1 Nc6 15.0-0 Rc8 16.Qb2 (16.Qb3 Bf5 17.d3 e5=) 16...Bf5 17.Rbc1 (17.Bc6 Rc6 18.Nd4 Bb1 19.Nc6 bc6 20.Rb1 Qd3=) 17...Qb6 18.Qb3 Na7 (18...Rfd8 19.a4=) 19.Be2 (19.Bc4 Qb3 20.Bb3 Nc6=) 19...Qb3+= 20.ab3 Rc1 21.Rc1 Rc8 ½–½. Ornstein,Axel (2355) – Olofsson_Dolk,Mattis (2210), Elite Hotels Vaxjo Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 c6)

9.Nc3 Qd6 10.Bc4 Nc3 (10...Nb4? 11.Ne4 Qd8 12.Qb4+-) 11.Qc3 f6 12.a4 Bg4 13.Be2 e5 14.0-0 (14.d4 e4 15.Ng1 Be2 16.Ne2 Na6=) 14...Nd7 (14...Rd8 15.Qc4 f5 16.Rfd1=) 15.h3 Be6 (15...Bf3 16.Bf3 Nb6 17.Rfd1=) 16.d4+= e4 17.Nd2 Bd5 18.b5 (18.Rac1 Qe6+=) 18...Rac8 19.Qb2 c5 20.Rac1 h5 21.Bc4 Rfd8 22.a5 b6 23.a6 Rc7 24.Nb3 (24.Rfd1 Qe6+/-) 24...Rdc8 25.dc5 Nc5 26.Rcd1 Na4 27.Qd2 Rc4 28.Qd5 Qe7 29.Rd4 Nb2 (29...Nc3!? 30.Rc4 Nd5 31.Rc8 Qd7+/-) 30.Rc4 Rc4 31.Nd4 Kh7 32.Nc6 Qc7 33.Qe6 Qg7 34.Qd6 (34.Rb1 f5+-) 34...Nd3 (better 34...Rc5!?+/-) 35.Qb8+- Ne5 (35...g5 36.Na7 Qc7 37.Qb7+-) 36.Na7 Qc7 (36...Qd7 37.Qb6 Kg7 38.Qb8+-) 37.Qc7 Rc7 38.Nc6! Nc6 (38...Rc8 39.Ne5 fe5 40.Rd1+-) 39.Rc1 (39.bc6?! Rc6 40.Ra1 Rc8+/-) 1-0. Trjapishko,A (2510) - Mirzaev,A2 (2430), 72nd ch-RUS HL, 2019. (=1.Nf3 d5 2.e3 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 0-0 6.cd5)

9.Nc3 Be6 10.Bc4+= b5 11.Bd5 Bd5 12.Nd5 Qd5 (12...cd5 13.0-0+=) 13.Ke2 (13.Qc3 f6+=) 13...Na6 (13...Qd6 14.Qc3 f6 15.d4=) 14.Qa3 Nc7 (14...Nb8 15.Qc3 f6 16.d4=) 15.Rhc1 (15.Qc3 Kg8+=) 15...Rfd8 (15...Rfc8 16.Qc3 f6 17.Qc6+/–) 16.Rc5 (16.Rc5 Qd6 17.Qc3 Kg8 18.Rc6+/–) 1–0. michaelbuss (2800) – shimmel (2340), ChessWorld.net, 2012.

9.Nc3 Nf6 10.Bc4 b5= 11.Be2 a5 12.a3 ab4 13.Qb4 Na6 14.Qh4 Nc5 15.Nd4 Qd6+= 16.0-0 e5 17.Nf3 Nb3 18.Ra2 Re8 19.Qb4? Qb4–+ 20.ab4 Ra2 21.Na2 e4 22.Bd1 Be6 23.Bb3 Bb3 24.Nc1 Bc4 25.d3 ed3 26.Rd1 Rd8 27.Nd4 Ra8 28.Ndb3 Ra3 29.g3 Bb3 30.Rd3 Ra1 31.Rc3 Bc4 32.Kg2 Nd5 33.Nb3 Ra3 (33...Ra3 34.Rc4 bc4–+) 0–1. Paskalev,Dinko – Ochkov,R (1725), 4th Kesarovski – Georgiev Memorial, 2005.

9.Nc3 Nf6 10.Be2=.

9.Nc3 Bg4 10.Be2=.

9.Bc4 e6 10.0-0+= Qb6 (10...Qd6 11.a3+=) 11.Qb2 (11.a3 a5+/–) 11...Kg8+/– 12.Bd5 (12.a3 Rd8+/–) 12...ed5= 13.Nc3 a5 (13...Bf5 14.Nd4+=) 14.b5+= Bf5 (14...Re8 15.Rab1+=) 15.Nd4 Bd3 16.Rfc1 Nd7 (better is 16...Qc5!?+/–) 17.Na4+– Qd8 (17...Qc7 18.bc6 bc6 19.Rc6+–) 18.bc6 bc6 19.Nc6 (worse is 19.Rc6 Ne5 20.Rc3 Rb8+–) 19...Qg5 (19...Qf6 20.Qf6 Nf6 21.Rc3+–) 20.f4 Qg4?? (better is 20...Qf6+–) 21.Ne7 1–0. Bonetti,Shane – guest1277, ICC, 2002.

9.Bc4 Bg4 10.Ne5 Bf5 11.Nc3 Nc3 12.dc3=.

9.Bc4 Bg4 10.Ne5 Bf5 11.d4+=.

9.Bc4 Kg8 10.0-0 b5 (10...Be6 11.Nc3+=) 11.Bd5+/– cd5 12.Nc3 e6 13.Nb5 Ba6 14.a4 Nc6 (14...Qb6 15.Nfd4+/–) 15.Rfc1 Qb6 16.Rc5 Rac8 (16...Rfc8 17.Qc3 Bb5 18.Rb5+–) 17.Qc3+– Ne7 18.Nbd4 Rc5 (18...f6 19.Nb3+/–) 19.bc5+– Qb7 20.c6 Qc7 21.Rc1 Rc8 22.h3 (22.Qb4 e5 23.Nb5 Nc6+/–) 22...e5 23.Nb5 Qc6 24.Na7 Qc3 25.Rc3 Rc3 26.dc3 f6 27.g4 Nc8 28.Nc8 Bc8 29.Nd2 Kf7 30.Kf1 Ke7 31.Ke1 Kd6 32.Kd1 f5 33.gf5 Bf5 34.h4 Kc5 35.Kc1 Kb6 36.Kb2 Ka5 37.Ka3 Bc2 38.Nb3 Kb6+/– 39.Na1 Bd1 40.Kb4 h6 41.Nb3 Kc6+/– 42.Nd2 Be2 43.a5 Ba6 44.Nf3 Kd6+/– 45.Nd2 Kc6+– 46.c4 d4? 47.Nf3 de3 48.fe3 Kd6 49.Nd2 Bb7 50.Kb5 g5 51.hg5 hg5 52.Kb6 Bc6 53.a6 g4 54.Nf1 Kd7 55.Ng3 Ba8 56.c5 e4 57.Ka7 Bc6?? 58.Kb8+– Ke6 59.a7 Kd5 60.a8Q Ba8 61.Ka8 Kc5 62.Ne4 Kc4 63.Ng3 Kd3 64.e4 Kd4 65.Kb7 ½–½. Lehtonen,Artto – Nuutinen,Pan, FIN–chT 1div C, 1997.

9.Be2 Qb6 10.a3 Nd7 (10...a5 11.b5+=) 11.Nc3+= N7f6 12.Na4 Qc7 13.Rc1 Rd8 14.d4 h6 (14...Bg4 15.0-0=) 15.Ne5 Nd7?? (better 15...Bf5+=) 16.Qd5!!+- e6 (16...cd5 17.Rc7 Pinning (17.Rc7 Deflection; 17.Rc7 Remove defender)) 17.Qe4 Nf6 (17...Ne5 18.de5 a5 19.b5+-) 18.Qf3 1-0. marekt – mizuzul, ChessWorld.net, 2021. (=1.b4 d5 2.Bb2 Nf6 3.e3 g6 4.Nf3 Bg7 5.c4 0-0 6.cd5)

9.Be2 Qd6 10.a3 e5 11.Qb2 (11.d4 ed4 12.Nd4 a5 13.ba5 Ra5+=) 11...Re8 12.0-0 (12.d4 e4 13.Nfd2 Nd7+=) 12...Qf6 (12...Bg4 13.Nc3=) 13.d3 (13.d4 e4 14.Ne5 Qg5=) 13...e4 (13...Bg4 14.Nbd2=) 14.Nd4+= ed3 15.Bd3 Kg8 (15...Nf4 16.Bc4 Bg4 17.Qc3+=) 16.Nd2 Nd7 17.Qb3 (17.Ne4 Qe7+=) 17...Ne5 18.Be4 (18.Ne4 Qe7 19.Nc5 a5+=) 18...Nb6 (18...Be6 19.b5=) 19.h3 (19.Rad1 Bg4 20.Rc1 Be6=) 19...Nec4 (19...Be6 20.Qc2=) 20.N4f3 (20.Nc4 Re4 21.Nb6 ab6+=) 20...Be6= 21.Qc2 a5 22.b5 cb5=+ 23.Bb7 Rab8 24.Be4 Rec8 25.Qd3 Na4 26.Qd4 Qe7 27.Ne5? Rd8=+ 28.Nc6 Qc7 29.Nd8? Rd8–+ 30.Qf6 Nd2 31.Bc6 Nf1 32.Bb5 Ne3 33.fe3 Nc3 (34.Bc4 Bc4 (34...Qc4?! 35.Qd8 Kg7 36.Qa5-/+) 35.Qc3 Rd3–+) 0–1. Teichmann,Erik (2325) – Baron,Michael (2300), AUS Masters Melbourne, 2002.

9.Be2 h6 10.Nc3 Bg4 11.0-0 e6 12.h3 Bf3 13.Bf3 Nd7 14.d4 Qe7 15.b5 Rab8 16.e4 (16.Rab1!?+=) 16...Nc3= 17.bc6 Ne4 18.Be4 Nf6 19.Bf3 bc6 20.Qa4 Nd5 21.Qc6 Rfc8 22.Qa6 Nb4 23.Qe2 Qd6 24.Rad1 Rc2 25.Rd2 Rd2 26.Qd2 Rc8 27.Rb1 Rc4 28.a3 Nd5 29.Qa5 Nc3-/+ 30.Rb7 Nb5 31.Qd2 Nd4–+ 32.Qb2?? Rc2 33.Qa1 e5 34.Bd1-/+ Rd2 35.Qc1?? Nf5 36.Bb3= Ne7? 37.Re7!+– Qe7 38.Qd2 Qa3 39.Qc3 Kf8 40.g3 a5 41.Qc8 Kg7 42.Qb7 Qf8 43.Qc7 1–0. Cernik,Lukas (2085) – Janda,Jiri (2130), Klatovy op–A, 2001.

8.Qb3 Qd6

9.a3 c5 10.Nc3 Nf6 11.bc5 Qc5 12.Be2 Nc6 13.0-0 (13.d4 Qd6+=) 13...b6 14.d4 Qd6 15.d5 Na5 16.Qb4 Bg4 17.h3 Bf3 18.Bf3 Rac8 19.Qd6 ed6 20.Nb5 a6 21.Nd4 (21.Nd6 Rcd8 22.Ne4 Nd5+=) 21...Rc5= 22.Rfb1 Rb8 (22...Nc4 23.Be2 Nd5 24.Bc4 Rc4 25.Nf3-/+) 23.Rb4 Nd5 24.Bd5 Rd5 25.Rab1 b5 26.a4 Rc5 27.ab5 ab5 28.Nb5 Nc6 29.R4b2 d5 30.Kf1 Rc4 31.Ke2 Kf6 32.f4 Ke7 33.Kf3 f5 34.g4 d4 35.e4 fe4 36.Ke4 d3 37.Kd3 Rf4 38.Re2 Kf6 39.Nc3 Rb1+= 40.Nb1 Ne5 41.Ke3? Rf3–+ 42.Kd4 Rd3 43.Ke4 Rh3 44.g5 Ke6 45.Nd2 Rh4 46.Ke3 Kf5 47.Rg2 Ng4 48.Kf3 Rh3 49.Rg3 Ne5 50.Kg2 Rg3 51.Kg3 Nf7 52.Nc4 Kg5 53.Nd2 h5 54.Nf3 Kf6 55.Kh4 Nd6 56.Kg3 g5 0–1. Bukhman,Eduard – Turov,Maxim, Memorial M.Chigorin, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.a3 Nc6!? 10.Nc3 Nf6=.

9.a3 e5 10.Qb2 Re8 11.Bc4 (11.d4 e4 12.Nfd2 Nd7=) 11...Bg4=+ 12.Be2 Nd7 13.h3 Bf3 14.Bf3 N7f6 15.0-0 e4 16.Be2 Rad8 17.Rc1 c6 18.b5 (18.Rd1 Rd7=) 18...c5 19.Qb3 b6 (19...Nb6 20.a4=) 20.a4 (20.Bc4 Rd7=) 20...Nb4=+ 21.a5 Qe5 22.Ra3 Re7 23.ab6 (23.f3 h6=) 23...ab6=+ 24.Bc4 Nd3 25.Rf1 Red7 26.f4 ef3 (26...Qb2 27.Qa4 Nc1 28.Bb3 Qb1 29.Qc4 Nb3 30.Rb1 Nd2 31.Qc2 Nb1 32.Ra6-+) 27.Rf3= Ne4?? (better 27...Qb2=) 28.Bd3+- Rd3?? (better 28...Ng5 29.Be2 Nf3 30.Bf3 Rd3 31.Qd3 Rd3 32.Rd3 Qa1+-) 29.Qf7 (29.Rf7 Kh6 30.Qd3 Rd3 31.Rd3 Qb2=+) 29...Kh6 30.Ra7 (better 30.Rd3 Rd3 31.Qf8 Qg7 32.Qf4 g5 33.Qe4+-) 30...Ng5+/- 31.Qf4 Qf4 32.Rf4 (32.ef4?? Nf3 33.gf3 Rf3-+) 32...Rb3?? (better 32...R8d7 33.Rd7 Rd7+/-) 33.Rh4 1-0. Jaracz,P (2455) - Kollars,Dmitrij (2620), Titled Tuesday, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5)

9.a3 e5 10.Nc3 Nc3 11.Qc3 Re8 12.Be2 Nd7 13.0-0 Nf6 14.d3 (14.d4 e4 15.Ne5 Be6+=) 14...Bg4= 15.b5 h6 (15...a6 16.Rfb1=) 16.Rfc1 Nd5 17.Qb2 Kg8 18.h3 Bf3 19.Bf3 Re7 20.Qb3 Rd8 21.Qa4 Qb6 22.Qh4 Nf6 23.a4 Kg7+= 24.Qc4 a5 25.ba6 Qa6 26.Qb4 Qd6 27.Qb7 Qd3 28.Rc7 Rc7 29.Qc7 Re8 30.Rd1 Qa3 31.a5 e4 32.Be2 Re7 33.Qd6 Qd6 34.Rd6 Re5 35.a6 Ra5 36.Bc4 Ra4 37.Rc6 Nd7 38.Rc7 Ne5 39.Bb5 Ra1 40.Kh2 Kf6 41.a7 Ke6 42.Rb7 Kd5 43.Kg3 g5 44.f4 ef3 45.gf3 h5 46.f4 h4 47.Kf2 Ra2 48.Be2 gf4+/– 49.ef4 Nc6 50.Rb2!? Ra7 51.Bf3 Kd6 52.Rd2 Kc7 53.Rc2 Ra6 54.Ke3 Ra3? 55.Kf2 Ra6 ½–½. Steinbacher,Matthias (2380) – Van Wessel,Rudy, Groningen op, 1994.

9.a3 e5 10.Nc3 c6 11.Rc1 (11.Bc4 Be6+=) 11...f5 (11...Nf6!?=) 12.Nd5+/– cd5 13.Qc3 Nd7 (13...Kf6 14.Qb2+/–) 14.Bb5 Kf6 15.0-0 a6 16.Bd7 (16.Be2!?+/–) 16...Bd7 17.Qc7 Qc7 18.Rc7 Rf7 (18...Bc6 19.Rh7 a5 20.d4 ed4 21.Nd4 ab4 22.ab4+/–) 19.Rb7 Bb5 (better is 19...Rc8!?+/–) 20.Rb6+– Kg7 21.Rc1 e4 22.Ng5 Re7 23.Rc5 Bc4 24.h4 Raa7 25.Ne6 Kf7 26.Ng5 Kg7 27.a4 Rad7 28.Ne6 Kf7 29.Ng5 Kg7 30.a5 Bb5 31.h5 Kh6+/– 32.Ne6 Kh5 33.Nf4 Kg5 34.Nd5 Re5? 35.Nc3+– Rc5 36.bc5 Rd2?? 37.Nb5 ab5 38.Rb5 Kf6 39.c6 Ke7 40.Rb7 Kd8 41.a6 (41.a6 Ra2 42.a7+–) 1–0. Rehorek,Martin (2310) – Franek,Jan (1975), Ricany CZE, Open, 2012.

9.a3 e5 10.Nc3+= Be6 11.Qb2 (11.Ne4 Qe7 12.Bc4 c6+=) 11...Nd7 (11...Nc3!? is worth consideration 12.Qc3 Nd7=) 12.Nb5+= Qe7 13.Ne5 Ne5 (13...Qf6!? should be considered 14.d4 a6 15.Nd7 Bd7+=) 14.Qe5+– f6 15.Qb2 (15.Qe4 Rad8+–) 15...Bf5 (15...a5 16.ba5 c5 17.h4+=) 16.Be2 (16.Nd4 Qe4+–) 16...a5+= 17.ba5 Ra5 18.0-0 Nf4 (18...c5 19.d4 Rd8 20.Rfd1+–) 19.Bc4 (better 19.ef4!? Qe2 20.Nc7+–) 19...Ng2 (19...Qe4 20.ef4 Qc4 21.Nd4+=) 20.Nd4 (better 20.Qb4!? is worthy of consideration 20...Qb4 21.ab4 Ra1 22.Ra1+=) 20...Bh3 21.Qb7 (21.f4 c5 22.Nb3 Ra4+–) 21...Rg5-/+ 22.Kh1 Bc8 (better 22...Nh4 23.Rg1 Bg2 24.Rg2 Rg2 25.Ne6 Kh6-/+) 23.Qg2?? spoils everything (better 23.Qc6 was necessary 23...Bd7 24.Ne6 (24.Qc7 Rc8 25.Ne6 Kh6=+) 24...Kh6 25.Qe4+= (worse 25.Qc7 Rc8 26.Qb6 Rh5-/+)) 23...Rg2–+ 24.Kg2 Qe4 (better 24...c5 ends the debate 25.f3 cd4 26.ed4 Qd7–+) 25.f3 Qh4 26.Rf2?? the position was bad, and this mistake simply hastens the end (26.Ne6 Kh6 27.Nf8 Bh3 28.Kh1 Qc4 29.Rg1–+) 26...c5 27.Ne6 Be6 28.Be6 Rd8 (28...Qg5 and Black can already relax 29.Bg4 h5 30.h4–+) 29.a4?? terrible, but the game is lost in any case (better 29.Rb1–+) 29...Qb4 (better 29...Qg5 and Black can celebrate victory 30.Bg4 f5 31.h4–+) 30.Ra2 (30.Rd1 Rd6 31.Bh3 c4–+) 30...Rd6 31.Bc8 Qb8 32.Bh3 Qb1 33.Ra3 (33.d4 cd4 34.ed4 Rd4 35.a5–+) 33...Qb2 34.Rc3 (34.Be6 doesn't get the cat off the tree 34...Qa3 35.Bc4 Qc1–+) 34...Rd2 35.Rc5 Rf2 36.Kg3 Rd2 (better 36...Rh2 makes it even easier for Black 37.Rd5 Qf2 38.Kg4 h5 39.Kf4 Rh3 40.Rd7 Kf8 41.Rd8 Ke7 42.Ke4 Qf3 43.Kd4 Qe3 44.Kd5 Qb3 45.Kd4 Rd3 46.Kc5 Rc3 47.Kd4 Qc4) 37.a5 Qb8 (37...Qb1 38.Bg2 Qg1 39.Rc4 Qg2 40.Kf4 Qg5 41.Ke4 Qe5) 38.f4 Qa7 (38...Qb1 39.Rc7 Kh6 40.Rc2 Qe1 41.Kf3 Qh1 42.Kg4 f5 43.Kg3 Qe1 44.Kf3 Qf2) 39.Rb5 Qe3 (39...Qe3 40.Kg4 h5 41.Rh5 gh5 42.Kh4 Rh2 43.Kh5 Qh3) 0–1. Melich,Jindrich (2100) – Mrva,Martin(GM) (2435), Horna Ves (15), 2012.

9.Qb2 f6 10.a3 e5 11.d3 a5 12.b5 Nd7 13.Nbd2 N7b6 14.Rc1 Qe7 15.Be2 Be6 16.d4 ed4 17.Nd4 (17.ed4 Nf4 18.Qc2 Rfe8–+ (worse is 18...Ne2 19.Qc5 Qe8 20.Ke2–+)) 17...Bf7 18.N2f3 Rfe8 19.0-0 Rac8 20.Rfe1 Na4 21.Qa1 Nc5 22.Bf1 Ne4 23.Qb2 Qd6 24.Rc2 Qb6 25.Rec1 Rcd8 26.Bc4 Nd6 (better is 26...Rd7!?+=) 27.Bd5+– Bd5 28.Rc7 Kg8 29.a4 Rc8 30.Rc8 Rc8 31.Rc8 Nc8 32.Qc3 Nd6 33.Nd2 Qd8 34.f3 b6 35.Nc6 Qe8 36.e4 (36.Qf6?! Qe3 37.Kf1 Qd3 38.Ke1 Qe3 39.Kd1 Bb3 40.Nb3 Qb3 41.Ke2 Qc2 42.Ke1 Qc1 43.Kf2 Qd2 44.Kf1 Qd1 45.Kf2 Qd2 46.Kf1 Qd1 47.Kf2 Qd2=) 36...Bc6 37.bc6 Kg7 38.Nb3 Qe5 39.Nd4 b5? (39...Nc8+–) 40.Nb5 Qc3 41.Nc3 1–0. Novkovic,Milan (2380) – Juenger,Heinz (2095), 1st Bundesliga, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Kg8 10.a3 Nd7 11.d4 a5 12.b5 c5 13.bc6= bc6 14.Nbd2 Qe6 15.Qc2+= Ba6 16.Ba6 Ra6 17.0-0 Rb8 18.Rab1 Rb5 19.Nc4 f6 20.h3 Ra8 21.e4 Nc7? 22.d5!+– Qf7? 23.dc6 Rc5 24.cd7 Rc4 25.Qd3 Rd8 26.Rbc1 Rc1 27.Rc1 Ne6 28.Rc8 Qf8 29.Qc4 Qf7 30.Nd4 (30.Nd4 Nf8 31.Qc7 Rd7 32.Qd7+–) 1–0. Todorovic,GN (2415) – Sarenac,D (2240), ch–SER Qualification, Belgrade SER, 2007.

9.Nc3 Nb4 10.Qb2 e5=.

9.Nc3 Nb4 10.Nb5 Qf6 11.Rc1=.

9.Nc3 Nc3 10.Qc3+= Qf6 11.d4 c6 12.Bc4 Be6 13.0-0 Nd7 14.Ne5 Nb6 15.Bb3 Rad8 16.Bc2 Bc8 17.f4 Nd5 18.Rf3?? (better is 18.Qd2+=) 18...Qd6 (better is 18...Nc3 19.a3 Bf5–+) 19.Qb2+= 1–0. Gubajdullin,Alexei (2365) – Egorov,Pavel (2255), Moscow Championship Rapid, 2016. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Nc3 c6 10.Nd5 cd5 11.Rc1 f6 12.Be2 Nc6 13.a3 Be6 (13...Bg4 14.d4=) 14.d4+= Rfc8 15.0-0 Nd8 16.Nd2 Rc1 17.Rc1 Rc8 18.Rc8 Bc8 19.Bf3 e6 20.Nb1 (20.b5 a6+=) 20...Bd7 21.Nc3 Nf7 22.g3 Qc7 23.Be2 Nd6 24.Bd3 b6 25.Kg2 Kf7 (25...b5 26.a4=) 26.h4 (26.b5 Kg8+=) 26...Kg7 27.b5 Kf7 28.a4 Nb7 29.Na2 (29.h5 gh5 30.Qb4 h4 31.Bh7 hg3 32.fg3 Nd6=) 29...Qc8 (29...Na5 30.Qd1+=) 30.h5 Na5 31.hg6 hg6 32.Qb1 Qg8 (32...g5!?+=) 33.Qc2+/– Nb7 34.Nb4 g5 35.Bh7 Qf8 36.Qg6 (36.Qc7!? Qc8 37.Qc8 Bc8 38.Nc6+/–) 36...Ke7+= 37.Bg8 Na5 38.Na6 Kd6?? (38...Nc4 39.Qh7 Kd6 40.Bf7=) 39.Bf7 (better is 39.Qb1 Bb5 40.Qb4 Kd7 41.Qf8 Ba6 42.Qf7 Kd8 43.Qf6 Kc7 44.Qe7 Kb8 45.Qd8 Kb7 46.Qd7 Ka8 47.Be6 Nc6 48.Qc6 Kb8 49.Qd6 Kb7 50.Qe7 Kb8 51.Qd8 Kb7 52.Bd5) 39...Ke7= 40.Bg8 Kd6?? (better is 40...Be8 41.Qh7 Bf7 42.Bf7 Qf7=) 41.Qb1+– (41.Qb1 Bb5 42.Qb4 Kd7 43.Qf8 Ba6 44.Qf7 Kd8 45.Qf6 Kc7 46.Qe7 Kb8 47.Qd8 Kb7 48.Be6 b5 49.Qc8 Kb6 50.Qc5 Kb7 51.Bc8 Kb8 52.Ba6 Nb7 53.Qc6 Nd6 54.Qd6 Ka8 55.Qf8) 1–0. McNab – Hammer,P, Malta ol, 1980. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Nc3 Be6 10.a3=.

9.Nc3 Be6 10.Bc4 (10.Nb5 Qd7=) 10...c6 (10...Nb4 11.Be6 Nd3 12.Ke2 A) 12...fe6? 13.Nb5 (13.Qb7?! Nc6 14.Ne4 Qd5+=) 13...Qd7 14.Qd3 Qd3 15.Kd3+–; B) 12...Nc5+=) 11.Ne4+= Qc7 12.Nc5 Nd7 13.Ne6 fe6 14.h4 (14.e4 b5 15.Qb2 e5 16.ed5 bc4 17.dc6 Qc6+=) 14...b5 15.Qb2 Kg8 16.Be2 Qd6 17.h5 Qb4 (17...Nb4 18.hg6 hg6 19.Rb1+–) 18.Qc2 Qc5 19.Qd3?? (better is 19.Qc5!? Nc5 20.Rc1+/–) 19...Rf6 (19...Nb4 20.Qd7 Nc2 21.Kd1 Na1 22.Qe6 Kg7 23.Nd4=) 20.hg6 (20.Qb3 Rd8+=) 20...Rg6= 21.Qe4 Nc3?? (better is 21...Qd6=) 22.Qh4+– Nf6 23.Rc1 Qf5 (23...Qd5 24.dc3 Qa2 25.Bd3+–) 24.dc3 Rg4 (24...Rg2 25.Nd4 Qg5 26.Qg5 Rg5 27.Nc6+–) 25.Qh3 (better is 25.Qh2 Ne4 26.c4+–) 25...Rd8 (25...Rg7+–) 26.Nd4 Rgd4 27.Qf5 (27.cd4 Rd6+–) 27...ef5 (27...Rd1 28.Bd1 ef5 29.c4+–) 28.cd4 Rd6 29.Bf3 1–0. Steffens,Olaf – Hoogeboom,Boudewijn, Groningen Weekendtornooi, 2016.

8.Qb3 e6

9.Nc3 Nc3 10.Qc3 Qf6 11.Rc1 Qc3 12.Rc3 ½–½. Rovid – Szell, 1981.

9.Nc3 Qf6 10.Rc1 c6 11.Be2 Nc3 12.Qc3 Qc3 13.Rc3 f6 14.d4 Re8 15.Kd2 e5 16.de5 fe5 17.Rd1 Bg4 18.Ng5 Rd8 19.Rd3 Rd3 20.Kd3 Be2 21.Ke2 (21.Ke2 a5 22.b5 cb5 23.Rd8+/–) 1–0. chesswolff (2075) – rosaxl (1780), gameknot.com, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

9.Nc3 f6 10.Be2 Nc6 11.a3 Nc3 12.dc3 Bd7 13.0-0 e5 14.Rfd1 a6 15.e4 Qe7 16.Ra2 Rad8 17.Rad2 Be6 18.Qc2 Rd2 19.Rd2 Rd8 20.a4 Rd2 21.Nd2 h6 22.a5 Nd8 23.Nb3 Bc8 24.Nc5 Ne6 25.Bg4 b6 26.Be6 Be6 27.Ne6 Qe6 28.Qd3 ba5 29.ba5 Kf7 30.h3 h5 31.h4 Ke7 32.g3 Qd6 33.Qc4 ½–½. Luzuriaga,Norberto Horacio – Beutel,Heinrich, 2. B4 Thementurnier, 2000.

9.d4 c6 10.Nc3 Qb6 11.Nd5 cd5 12.a4 Nc6 13.Bb5 Nb4 14.Qb4 a6 15.Kd2 ab5 16.a5 (worse is 16.ab5 Bd7+=) 16...Qa6 17.Rhc1 f6 18.Rc7 Rf7 19.Re7 Bd7 20.Rc1? (better is 20.h3!?+=) 20…Qa5–+ 1–0. Dickson,Ian C (1910) – Mendege,Andras (1860), Budapest FS09 FM–B, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5 Nd5 7.Bg7 Kg7)

9.Be2 Nd7 10.Nc3 N7f6 11.0-0 Re8 12.d4 Nc3 13.Qc3 Nd5 14.Qb2 g5 (14...Qd6!?+=) 15.Rac1+/- f6 16.Rfd1 Bd7 17.Rd2 a6 18.Rdc2 (18.e4!? Nf4 19.Qc3+=) 18...Ba4= 19.Rc5 b6 20.R5c4 Bb5 21.R4c2 Be2 22.Re2 g4 (22...Qe7 23.e4 Nf4 24.Re3+=) 23.Ne1 h5 (23...Qd6 24.Nd3 Red8 25.Rec2+/-) 24.Nd3+/- h4? (better 24...f5!?+/-) 25.e4+- Ne7 26.Nf4 Ng6 27.Qd2 Rc8 28.Ng6 (28.Nh5!? Kh7+-) 28...Kg6 29.Qf4 Qd4 30.Qg4 Kf7 31.Qh5 Kg7 32.Qh4 Qb4?? (better 32...Rh8 33.Qf4 Qb4+-) 33.Re3+- Rh8 34.Qg4 Kf7 35.Rg3 Rhf8 (35...Qf8 36.Rc6 Qe7 37.Qg7 Ke8 38.Qh8 Kd7 39.Rd3 Kc6 40.Qc8 f5 41.Qa6 Qf6 42.Qa8 Kc5+-) 36.Rd3 (36.Qh5 Ke7 37.Rg7 Kd6 38.Qd1 Ke5 39.Rc6 f5 40.f4 Kf4 41.Re6 Qc5 42.Kh1 fe4 43.Rg4 Kf5 44.Rge4 Rg8 45.Qf3 Kg5 46.h4) 36...Qb5 37.Rcd1 Rce8 38.h3 (38.h4 Rg8 39.Rd7 Kf8+-) 38...Re7? (better 38...Qg5 39.Qe2 Rg8+/-) 39.f4+- Rg8?? (39...f5 40.Qh5 Kg8 41.Qg6 Rg7 42.Qe6 Rff7+-) 40.Qh4 Qc5 41.Kh2 a5 (41...Rg6 42.Kh1 Qc2 43.R3d2 Qd2 44.Rd2+-) 42.a4 b5 (42...Rg7+-) 43.Rd8 Rg6 44.Kh1 (better 44.R1d3 Re8 45.R3d7 Qe7 46.e5 ba4 47.ef6 e5 48.fe7 Ke6 49.Qh5 Kf6 50.Re8 Ke6 51.Qg6 Kd7 52.Rd8 Ke7 53.Re8 Kd7 54.Qe6) 44...Qc2 (44...ba4 45.f5! ef5 46.ef5 Qf5 47.Qh7 Rg7 48.Qf5 Re1 49.Re1 a3 50.Re7 Ke7 51.Qd7) 45.Qh7 Rg7 46.Qh5 Rg6 47.Qf3 (better 47.Rg1 Re8 48.Rd7 Re7 49.Qh7 Rg7 50.Re7 Ke7 51.Qg7 Kd6 52.e5 fe5 53.Qe5 Kd7 54.Qb5 Kd8 55.Qa5+-) 47...f5 (47...ba4 48.f5 Rg5 49.h4 Qg2 50.Qg2 Rg2 51.Kg2+-) 48.ef5 (48.ab5 fe4 49.Qf1 e3+=) 48...Qf5? (better 48...ef5 49.ab5 Qe4 50.Qb3 Qe6+-) 49.Qa8+- Kg7 (49...Qc2 50.ab5 Kf6 51.Rf8 Kg7 52.Rdd8 Qc1 53.Kh2+-) 50.ab5 (better 50.Rg8 Kh6 51.Rh8 Rh7 52.Rd7+-) 50...Qf4 51.Rg8 (better 51.Rh8 Qf7 52.Kg1+-) 51...Kh6+/- 52.Rh8 Rh7 53.Rf8 Qg3? (53...Qg5 54.Qf3 Rhg7 55.Qc6+/-) 54.Rdf1 (54.Qe4 Qg5 55.Rf4 Re7+-) 54...a4 (54...Qg5!? 55.R1f4 a4+-) 55.R8f6+- Rhg7 56.Qh8 Kg5?? (better 56...Rh7 57.Rg6 Qg6+-) 57.R6f4! Qf4 (57...Qf4) 58.Qd8 Qf6 59.h4! (59.Rf6?! Rf6 60.Qd2 Kg6 61.Qc2 Kh5 62.Qd1 Kg6 63.Qa4 Rf5+/-) 59...Kh5 (59...Kh4 60.Rf4 Double attack (60.Qf6 Deflection; 60.Rf6 Zwischenzug)) 60.Rf6 Rg2 61.Qh8 (61.Qh8 Rh7 62.Qh7 Kg4 63.Qg7 Kh3 64.Qg2 Kh4 65.Rh6) 1-0. Sergeev,Vl (2400) - Tejaswini,S (2175), Szczawno B IM, 2018. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5)

8.Qb3 Be6

9.Qb2 Kg8 10.Bc4 c6 (10...Ne3 11.de3 Bc4 12.Na3+=) 11.0-0 (11.Nc3 Nc3 12.Qc3 Bc4 13.Qc4 Nd7+=) 11...Nd7 (11...Ne3!? 12.Be6 Nf1+=) 12.Nc3 N7b6 13.Bb3 (13.Bd5 Bd5 14.Nd5 Qd5+=) 13...Qc8 (13...Nb4 14.Be6 Nd3 15.Qc2 fe6 16.Nd4=) 14.Ng5 Bg4 15.Rac1 Nc3 16.Qc3 Qf5 17.h4 (17.Nf7 Rf7 18.f3 Bh3 19.Bf7 Qf7 20.gh3 Qa2+/–) 17...h6 18.e4 (18.Nf7 Rf7 19.f3 Nd5+=) 18...Qf4 19.Nf3 (better is 19.g3!? Qc7 20.Nf3 Bf3 21.Qf3=) 19...Bf3-/+ (19...Qe4?! 20.Rfe1 Qf4 21.Re7 Bf3 22.Qf3 Qf3 23.gf3=) 20.Qf3 Qh4 21.d4 e6 22.a4 Rad8 23.Rcd1 Nd7 24.b5 cb5 25.ab5 Nf6 26.e5 Nd5 27.Rfe1 a6 28.ba6 ba6 29.Re4 Qe7 30.Ra1 Qb7 31.Bc4 Ra8 32.Re2 Qc6 33.Bd5= ed5 34.Ree1 a5 35.Rec1 Qe6 36.Rc5 Rfd8 ½–½. Brylski,Nils – Uwe,Suermann (1825), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.cd5)

9.Qb2 Kg8 10.d4 Qd6 11.b5 Rd8+=.

9.Nc3 Ne3!-/+ 10.Qb2 (10.de3 Bb3 Discovered attack; 10.fe3 Bb3 Discovered attack) 10...Nf1 11.Rf1 f6 12.d4 Nc6 (12...Bg4 13.Ne4-+) 13.d5 Bd5 14.Rd1 e6 15.b5 Ne7 16.Nd4 Qc8 17.Qb4 c5 18.bc6 Nc6 19.Nc6 Qc6 20.f3 Rac8 21.Nd5 ed5 22.Kf2 Qc5 23.Qc5 Rc5 24.Rfe1 Rf7 25.Rd2 Rd7 26.Re6 d4 27.Ke2 Re5 28.Re5 fe5 29.Kd3 Rc7 30.Ke4 Kf6 31.g4 (31.f4 ef4 32.Kf4 Rc4-+) 31...Rc3 32.Rb2 (32.g5 Ke6 33.Re2 b5-+) 32...Re3 33.Kd5 Rf3 34.Rb7 d3 35.Rb3 (35.Ke4 d2 36.Rb1-+) 35...Re3 36.h4 (36.Rb1-+) 36…d2 0-1. bjoernsen (2460) - Dgita35492 (2540), Rated blitz game, lichess.org, 2021.

9.Bc4 b5 10.Bb5+/- Nf4?? (better 10...Nf6 11.Bc4 Bc4 12.Qc4 a5+/-) 11.Qb2 (11.Qb2 Kg8 12.ef4+-) 1-0. bjoernsen (2440) - matadooooor (2405), Rated blitz game, lichess.org, 2021.

9.Bc4 Nc6 10.a3 b5 (better 10...Kg8!?+=) 11.Bb5+/- Ndb4?? (better 11...Qd6+/-) 12.Qb2 (12.Qc3!? Kg8 13.ab4 Nb8+-) 12...Kg8 13.ab4 (13.ab4 Qd6 14.Bc6 Qc6 15.0-0+-) 1-0. bjoernsen (2430) - kubectl (2425), Rated blitz game, lichess.org, 2022.

9.Bc4 Qd6!?+=.

6.cd5 Bg4

7.Be2 Nd5 8.Bg7 Kg7 9.Qb3 Qd6 10.Nc3 c6 11.Rb1 Nc3 (11...e5 12.b5=) 12.Qc3+= Qf6 13.d4 Nd7 14.0-0 Rfe8 15.Rfc1 a6 16.h3 Bf5 17.Ra1 e5 18.de5 Ne5 19.Nd4 Be4 20.f3 Bd5 21.Rf1 Rac8 (21...Rad8 22.a4=) 22.Rad1 (22.e4 c5 23.bc5 Nc6=) 22...b5 23.e4 Bc4? (better 23...c5 24.bc5 Ba2+=) 24.f4+- Nd7 25.e5 Qe7 26.Bc4 bc4 27.Nf5!! (27.Qc4?! c5 28.bc5 Nc5+/-) 27...gf5 28.Rd7! (28.Rd7 Qe6 29.Rfd1+-) 1-0. Bauer,Ch (2645) - Labarrere,D (1755), 27th Saint-Affrique Open, 2019.

7.Be2 Nd5 8.Bg7 Kg7 9.Qb3 e6 10.Nc3 Qf6 11.d4 c6 12.h3 Bf3 13.Bf3 a6 14.0-0 Nd7 15.Ne4 Qe7 16.a3 N5f6 17.Nc3 Rac8 18.Na4 b5 19.Nc5 Nc5 20.dc5 e5 21.a4 e4 22.Be2 Rfd8 23.ab5 ab5 24.Ra2 Ra8 25.Rfa1 Qb7 26.Qb2 Ra2 27.Ra2 Ra8 28.Ra8 Qa8 29.g4 g5 30.h4! h6 31.hg5 hg5 32.Qe5 Qd8 33.Qg5 Kf8 34.Qh6 Kg8 35.g5 Nd5 36.g6 fg6? 37.Qg6+– Kh8 38.Qh6 Kg8 39.Bg4 Qf6 40.Be6 (40.Be6 Qe6 41.Qe6 Kg7 42.Qc6+–) 1–0. Krivoshapko,Alexander – Vasiljev,Artem, Omsk Russia, City Championship, 2013.

6.Be2 a5

7.b5 dc4 8.Bc4 a4 9.0-0 Bf5 10.d4 Nbd7 11.a3 Nb6 12.Ba2 Ne4 13.Nc3 Qd7 14.Qe2 Nc3 15.Bc3+= Be4 16.Rfc1 e6 17.Bb1 Bb1 18.Rab1 Nd5 19.Qd2 f5 20.Ne1 Rfd8 21.Nd3+= b6 22.Qa2 Qf7 23.Nb4 Nb4 24.Bb4 Rd5 25.Rc6 Rad8 26.Qc2 R5d7 27.Qa4 e5 28.de5 Be5 29.g3 Kg7 30.Qc2 Qd5 31.Bc3 Kh6? 32.Be5 Qe5+/– 33.Qc4 Rd1 34.Rd1+– Rd1 35.Kg2 Rd7 36.a4 Kg7 37.Re6 Qb2 38.Re8 Rf7 39.Qd5 Qf6 40.h4 Qa1 41.Qd8 h6 42.Rh8 Qa4 43.Qg8 Kf6 44.Rh6 Qe4 45.Kh2 f4 46.ef4 Qc2 47.Qd8 Re7 48.Qd4 Kf5 49.h5 Re4 50.Qd7 Re6+– 51.Qd5 (51.Qd5 Kf6 52.Rg6 Qg6 53.hg6+–) 1–0. Khurtsidze,N (2415) – Gurieli,N (2345), 62nd ch–GEO w, Tbilisi GEO, 2005.

7.b5 dc4 8.Bc4 Nbd7 9.0-0 a4 10.a3 Nb6 11.Be2 Be6 12.d3 Bb3 13.Qc1 c6 14.bc6 Rc8 15.Nc3 Rc6 16.Qd2 (16.Nd4 Rc7 17.Qd2 Bd5+=) 16...Nfd5 (16...Ne4! 17.Ne4 Rc2 18.Bg7 Rd2 19.Ned2 Kg7 20.Nb3 ab3=) 17.Nd5+= Rc2 (better 17...Bd5 18.e4 Be6 19.Bg7 Kg7+/-) 18.Qc2?? (better 18.Ne7 Qe7 19.Bg7 Kg7 20.Qa5+/-) 18...Bc2=+ 19.Bg7 Kg7 20.Nb4 Bb3 21.d4 Qd6 22.Rfc1 f6 23.h3 (23.Nd2 e5=+) 23...Rc8 24.Rc8 Nc8 25.Rc1 Nb6 26.Rc5 (26.Nd2 e5 27.Ne4 Qe7-/+) 26...Nd5 27.Nd5 Bd5 28.Bb5? (better 28.Nd2-/+) 28...b6-+ 29.Rc3 Bb3 30.e4 (30.Ne1 Qa3 31.Nd3 Qa2-+) 30...e5 (better 30...Qa3!? 31.Rc7-+) 31.Rc6 (31.de5 fe5 (worse 31...Qa3 32.ef6 Kf6 33.Rc7-/+) 32.Kh2 h5-+) 31...Qa3 32.de5 fe5 33.Rc7 Kh6?? (better 33...Kf8-+) 34.Kh2?? (34.g4 g5 35.h4+=) 34...Qd6 (34...Qb2 35.Re7 Qf2 36.Ba4 Ba4 37.Ne5-+) 35.Rd7 (35.Ra7 Qb8 36.Ra6-+) 35...Qc5 36.Bd3 a3 37.Re7 (37.Bb1 Qf2 38.Rd2 Qe3-+) 37...a2 (better 37...Qe7 38.Bb1-+) 38.Ne5 (38.Ra7 Qf2 39.h4 Qe3-+) 38...Qe5!! 39.Re5 a1Q (39...a1Q 40.Re8 Qd4-+) 0-1. Mettigel (2285) - Cofi7 (2310), Rated Blitz game, lichess.org, 2015.

7.b5 c6 8.a4 Nbd7 9.0-0 Nb6 (9...dc4 10.bc6 Nb6 11.Na3=) 10.d3 (10.c5 Nbd7 11.d4 Ne4+=) 10...Be6 11.Qc2 (11.c5 Nbd7 12.d4 Ne4+=) 11...dc4= 12.dc4 c5 (12...cb5 13.ab5 Bf5 14.Qc1=) 13.Ng5 (13.e4 Qc7+=) 13...Bg4 (13...Bf5 14.Qb3=) 14.Bg4+= Ng4 15.Bg7 Kg7 16.h3 Nf6 17.Nd2 Qc7 18.Qc3 Kg8 19.Nge4 Nfd7 (19...Ne4 20.Ne4 Rfd8 21.Nd2=) 20.Nf3 (20.Rfd1 f5 21.Ng5 Qe5 22.Qe5 Ne5+=) 20...Rfd8 21.Rfd1 f6 22.Qb3 Kf7 23.Nc3 Ne5 24.Ne5 Qe5 25.Nd5 Nd5 26.Rd5?? (better 26.cd5 e6 27.de6 Qe6 28.Qc2+=) 26...Rd5 (26...Qa1 27.Kh2 Rd5 28.cd5 Qe5 29.Kh1-+) 27.cd5 (27.Rd1 Rd6 28.Rd6 Qd6-+) 27...Qa1 28.Kh2 Qe5 29.g3 (29.f4 Qe4-+) 29...Qd6 (better 29...Rd8!? 30.Qc2-+) 30.e4 b6 31.f4 (31.Qe3 e6-+) 31...Rc8 (31...e6 32.de6 Qe6 33.Qf3-+) 32.Qc4 (32.Qc2 Re8 33.Qf2 e6-+) 32...e6 33.Kg2 (33.f5 gf5 34.ef5 Qd5 35.fe6 Qe6-+) 33...ed5 34.ed5 Rd8 0-1. Edosyan (1915) - BloodyBob (1960), Rated Blitz game, lichess.org, 2015.

7.b5 Nbd7 8.0-0 b6 9.cd5 Nd5 10.Bg7 Kg7 11.Qb3 Bb7 12.Nc3 Nc5 13.Qb2 Nc3 14.Qc3 (worse 14.dc3 Qd6=) 14...Kg8 15.Rfc1 Rc8 16.Rc2 Qd5 17.Rac1 Rfd8 18.Bf1 Qh5 19.Ne5 (19.d4 Bf3 20.dc5 Bg2 21.Kg2 Qg4 22.Kh1 Qf3 23.Kg1 Qg4 24.Bg2 Rd1 25.Rd1 Qd1 26.Bf1 Qg4 27.Kh1 Qf3 28.Kg1 Qg4 29.Bg2 Qd1 30.Bf1 Qg4=) 19...Qf5 (better 19...Ne4!? 20.Qb2 Nd2 21.Rd2 Rd2 22.Qd2 Qe5=+) 20.d4+/- Ne6 21.Bc4 h6 22.f3 h5 23.Qb3 h4 (23...Rd6+-) 24.Be6 fe6 25.Rc7 Rc7 26.Rc7 (26.Rc7 Bd5 27.Qb2+-) 1-0. bjoernsen (2425) - herzon_yasis (2410), Rated blitz game, lichess.org, 2022.

7.b5 Nbd7 8.a4 dc4= 9.Bc4 Nb6 10.Be2 Nfd5 (10...c5 11.bc6 bc6 12.0-0=) 11.Bg7+= Kg7 12.0-0 Nb4 13.d4 Bf5 14.Nc3 c6 15.bc6 bc6 16.e4 (16.Rc1 Rb8+=) 16...Be6 (16...Bg4 17.Ne5 Be2 A) 18.Qe2? Qd4 19.Nc6 Nc6–+ (19...Qc3?! 20.Rac1 Qa3 21.Ra1–+); B) 18.Ne2+=) 17.Rc1 Qd6 18.d5 (18.Qd2!?+=) 18...cd5= 19.Nb5 Qd8 20.Qd4 Kg8 21.Nc7 de4 22.Qb6 (< 22.Na8 ef3 23.Qd8 Rd8 24.Bf3 Na8-/+ (< 24...Ra8 25.Ba8 Na8 26.Rc5+/–)) 22...ef3 23.Bf3 Rb8 24.Qa5+= Bb3 25.Rc3 Ba2? 26.Rd1+– Qc8 27.Nd5 Qa6 28.Ne7 Kg7 29.Qa6 Na6 30.Nc6 Rb3 31.Rdc1 Rc3 32.Rc3 Re8 33.h3 Rc8 34.Ra3 Be6 35.Kh2 g5 36.Nd4 Bd7 37.Be2 Nc5 38.a5 Ra8 39.a6 Bc8 40.a7 Bb7 41.Nb5 Ne6 42.Bg4 Bc6 43.Be6 (43.Be6 fe6 44.Nc7+–) 1–0. Mashinskaya,I (2315) – Toma,K (2100), 2nd ch–EUR Women, Warsaw Poland, 2001.

7.b5 Nbd7 8.cd5 Nb6=.

6.Be2 dc4

7.0-0 b5 8.a4 c6 9.ab5 cb5 10.Na3 (10.d3 cd3 11.Bd3 Qd6+=) 10...Qb6 11.d3 Nc6 (11...Rd8 12.Bd4 Qb7 13.dc4 bc4 14.Nc4=) 12.dc4= bc4 (12...Rd8 13.Qe1+=) 13.b5+= Na5 (13...Be6 14.Bf6 (worse is 14.bc6 Qb2 15.Bc4 Rfd8+=) 14...Bf6 15.bc6+/–) 14.Nc4 Nc4 15.Bc4 Bd7? Attacking the isolated pawn on b5 (better is 15...Bg4+=) 16.Bf6+– Bb5 1–0. DEFFM – olma, freechess.org, 2018.

7.0-0 Be6 8.Na3+=.

7.Bc4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Bf5 11.d4 Qd6 12.Qa4?? (better is 12.Bc3=) 12…Bb1–+ 0–1. Grosse_Gehling,Thomas (1810) – Kohler,O (1990), Bonn–Bad Godesberg, 2013. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7 5.c4 0-0 6.Be2 dc4)

7.Bc4 a5 8.b5 Nbd7 9.d4 Nb6 10.Be2 Ne4 11.0-0 Be6 12.Nbd2 Nd2 13.Nd2 Bd5 14.Qc2 Rc8 (14...f5 15.Rfc1+=) 15.Rfc1 (15.e4!? Be6 16.d5 Bb2 17.Qb2+/-) 15...c6= 16.bc6 bc6 (16...Bc6 17.Qb1=) 17.Ba3 Re8 18.Rab1 Nd7 19.Rb7 e5 20.de5 Ne5 21.Nf3 (better 21.e4!? Be6 22.Bc5+=) 21...Nf3=+ 22.gf3 Qg5 23.Kh1 Qh5 24.Kg2 Qg4 25.Kf1 Qh3 26.Ke1 Qh2 27.Bc4 h5?? (better 27...Qh1 28.Bf1 Bf3-+) 28.Bd5=+ cd5 29.Qc8 Rc8 30.Rc8 Kh7 31.Rf7 Qg1?? (better 31...Kh6 32.Bc1 Qd6+/-) 32.Ke2+- Qb1? (32...d4 33.Rcc7 d3 34.Kd2 Qf2 35.Kd3 Qf1 36.Ke4 Qb1 37.Kf4 Kh6 38.Rg7 Qf5 39.Kg3 Qe5 40.Kg2 Qg7 41.Rg7 Kg7 42.Bb2 Kf7+-) 33.Bf8 Qb5 34.Ke1 (34.Kd2 Qb2 35.Rc2 Qb5 36.Bg7 Kg8+-) 34...Qb1 35.Ke2 Qb5 (35...Qa2?? 36.Kf1 Qa1 37.Kg2+-) 36.Kd2 Qb2 37.Kd1 (37.Rc2 Qb5 38.Bg7 Kg8+-) 37...Qb1 38.Ke2 (better 38.Rc1 Qa2 39.Rg7 Kh6 40.f4+-) 38...Qb5= (38...Qa2? 39.Kf1 Qa1 40.Kg2+-) 39.Ke1 Qb1 40.Kd2 Qb2 (40...Qa2 41.Rc2 Qb3 42.Rg7 Kh8 43.Rd7+-) 41.Kd3 (better 41.Rc2 Qb5 42.Bg7+-) 41...Qb5 42.Kc2 Qa4?? (better 42...Qb2 43.Kd3 Qb1 44.Ke2=) 43.Kd2 (better 43.Kc1 Kh6 44.Bg7 Kg5 45.Bf6 Kf5 46.Rcc7+-) 43...Qa2 44.Rc2 Qb3 45.Bg7 (worse 45.Rg7 Kh8 46.Rd7 Qa4 47.Bg7 Kh7+-) 45...Kg8 (45...d4 46.Rcc7 Qa2 47.Kd3 Qb1 48.Kd4 Qb4 49.Kd3 Qb1 50.Kd2 Qa2 51.Kc1 Qf7 52.Rf7+-) 46.Ra7 (better 46.Rcc7 Qa2 47.Kc1 Qc4 48.Rc4 Kf7 49.Rc7 Ke6 50.Bc3+-) 46...d4 (46...Qb4 47.Kd1 Qb1 48.Rc1 Qb3 49.Ke1 Qb4 50.Kf1 Qb5 51.Kg2 Qc4 52.Rc4 dc4+-) 47.Rc8 Kh7 48.Bd4 (48.Bd4 Kh6 49.f4 Qb4 50.Bc3 Qd6 51.Ke1 g5 52.Rg7 Qd1 53.Kd1 gf4 54.Rc6; 48.Rh8) 1-0. bjoernsen (2425) - KPsycow1 (2410), Rated blitz game, lichess.org, 2021.

7.Bc4 b6 8.0-0 Bb7 9.d4 Nd5 10.Qb3+= Nf6 (10...a5 11.b5+=) 11.Nbd2 (11.Nc3 Bf3 12.gf3 a6+=) 11...Nbd7 (11...e6 12.b5+=) 12.e4 Ne4? (better 12...e6 13.Rfe1 a6+–) 13.Ne4+– Be4 14.Ng5 (14.Ng5 Nf6 15.Nf7 Rf7 16.Bf7 Kh8 17.b5+–) 1–0. Pierre – Singleton, internet, 2019.

7.Bc4 b6 8.0-0 Bb7 9.d4 Qd6 10.a3 a5+=.

7.Bc4 b6 8.0-0 Bb7 9.d4 e6 10.Nbd2 Nc6 11.a3 Ne7 12.Qc2 Rc8 13.Rfd1 c5 14.dc5 bc5 15.Nb3 Qe8 16.Nc5 Bf3 17.gf3 Qc6 18.Qe2 Nf5 19.Bb5 Qa8 20.e4 Nh4 21.Bf6 (better is 21.Ba6!? Rcd8 22.Bb7+/–) 21...Bf6+/– 22.Rab1 Be7 23.Nd7 Rfd8 24.Ne5 g5 25.Rd8 Bd8 26.f4 Qb8? (better is 26...gf4!? 27.Be8 Rc7+/–) 27.Be8+– f6 28.Qh5 Qc7 29.Nc6 Qg7 30.fg5 (30.Nd8 gf4 31.Bg6 Rd8 32.Qh7 Qh7 33.Bh7 Kh7–+) 30...fg5 31.Rd1 Be7? (better is 31...Bb6 32.Bd7 Rf8 33.Be6 Kh8+/–) 32.Bd7 (32.Na7?! Ra8 33.Nc6 Ra3+–) 32...Rf8 (32...Rc6 33.Bc6 Ng6 34.Qh3+–) 33.Be6 Kh8 34.Bf5 (better is 34.Ne7 Qf6 35.Bf5 Qe7 36.Rd7 Nf5 37.Re7 Ne7 38.Qd1+– (38.Qg5?! Rg8 39.Qg3 Nc6+=)) 34...Nf5 35.ef5 Bf6 36.Qg4 Qb7 37.Qc4 Rc8 38.b5 h5? (38...a6 39.Qe6 Rf8 40.Ne5 Be5 41.Qe5 Qg7 42.Qg7 Kg7 43.Rd7 Kf6 44.Rd6 Kf5 45.Ra6+–) 39.a4 h4 40.h3 Qc7?? 41.Qd5 Ra8?? 42.Qe6 Qg7 43.Rd7 Qh6 44.Ne5 (44.Ne5 Bg7 45.Nf7 Kg8 46.Nh6 Kh8 47.Qf7 Bh6 48.Qh7) 1–0. Kuehnemund,Lutz (1920) – Gloess,Henrik, Berlin Lichtenberger op 8th, 2009.

7.Bc4 Nc6 8.b5 Nb8 (8...Na5 9.Be2=) 9.0-0 c6 10.a4 cb5 11.ab5 Nbd7 12.d4 Nb6 13.Bb3 Bg4 14.Nbd2 Rc8? (better is 14...Nbd5!?+=) 15.Ra7+– Rc7 16.Qa1 Qd7 (16...Nbd5!? 17.Rc1+–) 17.Qa5 Nbd5? (17...Nc8 18.Ne5 Qd6+–) 18.b6 Rcc8 19.Ne5 Qd6 20.Ndc4 Qd8 21.Rb7 Be2 22.Ra1 h5 23.Ra7 Bc4 24.Nc4 Rb8 25.b7 Qa5 26.Na5 Nb4 27.Ba3 Nfd5 28.Bd5 Nd5 29.Nc6 Rbe8 30.Bc5 Kh7 31.Ra8 Rg8 32.b8Q Rb8 33.Rb8 Rb8 34.Nb8 1–0. pumpkin (2400) – ablanker (2255), net–chess.com, 2004.

7.Bc4 Qd6 8.a3 Bg4 9.h3 Be6 10.Be6 Qe6 11.0-0 a5 12.b5 Nbd7 (12...Rd8 13.Nc3=) 13.Nc3 Rfd8 (13...Nb6 14.Rc1=) 14.Qc2 Rac8 (14...c5 15.bc6 Qc6 16.Rfc1+=) 15.Rab1 c6 (15...Ne5 16.Ne5 Qe5 17.d4+=) 16.bc6+= Qc6 (16...Rc6? 17.Nd4 Qd6 18.Nc6 Qc6 19.Rfc1+–) 17.Rfc1 Qe6 (17...Nb6 18.Qb3 Nc4 19.d4+=) 18.d4 Nb6 19.Ba1 Nc4 20.Qb3 h6 (20...Nd7 21.Na4+=) 21.Ne5+/– Ne5 22.Qe6 fe6 23.de5 Nd7 (23...Nd5 24.Ne2 Rc1 25.Rc1+/–) 24.f4 Nc5 25.Ne2 a4 26.Nd4 Kf7 27.Rc4 g5 28.fg5 (28.g3 Ne4 29.Ne6 Ke6 30.Re4 Rd3 31.Ra4 Re3 32.Rb6 Rc6 33.Rc6 bc6=) 28...Be5 (28...hg5 29.Rf1 Kg6 30.Rfc1+/–) 29.gh6 Bf6 30.h4! e5 31.Nf3 b5 32.Rcb4 Nd3 33.Rb5+– Rc2 34.Be5 Rg8+/– 35.Ng5! Bg5 36.hg5 Rg5 37.Rf1 Kg8 38.Rb8 Kh7 39.Rf7 Kh6 40.Rh8 Kg6 41.Rg7 Kf5 42.e4 Kg4 43.Rhg8 Rg7 44.Rg7 Kh5 45.Re7 Ne5 46.Re5 Kg4 47.Ra5 Rc4 48.e5 Kf5 49.Kh2 Rh4 50.Kg3 Rc4 51.Kf2 Rf4 52.Ke3 Re4 ½–½. pierre – gbsalvio, internet, 2006.

7.Bc4 Qd6 8.Qb3 a5 (8...Nc6 9.a3=) 9.Ne5 (9.Ng5 e6 10.ba5 Nbd7=) 9...e6 10.b5 a4 11.Qa3 Qa3 12.Na3 Ng4 (12...Nbd7 13.Rb1=) 13.d4+= (13.Ng4? Bb2 14.Nc2 h5 15.Nh6 Kg7-+) 13...Ne5 14.de5 Nd7 15.f4 Nb6 16.0-0-0 (16.Rd1 Bd7 17.Be2 Rfd8+=) 16...Bd7= 17.Rd4 Nc4 (17...c5 18.Re4 Rfd8=) 18.Rd7 (18.Rc4 c6 19.b6 c5+=) 18...Nb2 (better 18...Ne3!? 19.g3 Nd5=+) 19.Kb2+= Rfc8 (better 19...f6!? 20.ef6 Bf6 21.Kc1 Rf7+=) 20.Rc1+/- Bf8 (20...f6!? 21.ef6 Bf6 22.Kb1 c6 23.Rb7 cb5 24.Rc8 Rc8 25.Nb5 e5+/-) 21.Rcc7+- Bc5 22.Nc4 (22.Rb7?! Be3 23.Rdc7 Bf4+/-) 22...a3 (22...Rc7 23.Rc7 b6 24.Rb7+-) 23.Kb3 Rc7 24.Rc7 b6 25.Rd7 Kf8 26.g3 Ke8 (26...Kg7 27.Rb7 Rd8 28.Nb6 Bb6 29.Rb6 Rd3 30.Kb4 Re3 31.Ra6+-) 27.Rb7 Rd8 28.Nb6 Rd3 (28...Be3 29.Ka3 Bg1+-) 29.Kc4 (29.Kc4 Rd2 30.Kc5 Rh2 31.Nc4 Ra2 32.Ra7+-) 1-0. Zarubitski,Viachaslau (2445) - Schut,Ha (2100), Titled Tuesday, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5)

7.Bc4 Nbd7 8.0-0 b6 9.a4 Bb7 10.a5 c5 11.a6 Bd5 12.Bd5 Nd5 13.Bg7 Kg7 14.bc5 Nc5 15.Qc2 Rc8 (15...Nc7 16.Qc4=) 16.Nc3 (16.Qb2!? Kg8 17.d4+=) 16...Nb4=+ 17.Qb1 Nbd3 (worse 17...Nba6 18.Nb5 Qd5 19.Ra6 Na6 20.Qa1 Kh6 21.Qa6+/-) 18.Nd4 (18.Nb5 Qd7=) 18...Qd7 (18...e5 19.Ncb5 Qd7 20.Ra3=+) 19.Ndb5 (19.f4 f6=) 19...e5=+ 20.f4 ef4 21.Ra3 (21.ef4 f5=+) 21...fe3-/+ 22.de3 Rfe8 23.Nd1 (23.e4 Re5-/+) 23...Re4 (23...Ne5 24.Qb4-/+) 24.Nd4 Rce8?? (better 24...Ne5 25.Nf2 Rh4-/+) 25.Rd3+/- Nd3 26.Qd3 Rd8?? (26...R8e7 27.Rf3+/-) 27.Qc3 (better 27.Qe4 Re8 28.Qd3+-) 27...Kg8+/- 28.Nf2 Re5 29.Nf3 Rc5 30.Qa1 (30.Qf6 Rdc8+/-) 30...Qe6+= 31.e4 Ra5 32.Qb2 (32.Qc3 Rc8 33.Qe3 f5+/-) 32...Ra6= 33.Ng5 Qe7 34.h4 (34.Ng4 Qg5 35.Nf6 Kh8 36.Ne8 f6 37.Rf6+-) 34...h6= 35.Nf3 Ra5 (better 35...Qe6!?=) 36.Ng4+/- Rd6?? (36...Qc5 37.Kh1 Qc4 38.Nh6 Kf8+-) 37.Nh6+- Kf8 (37...Kh7 38.Ng5 Rg5 39.Rf7 Qf7 40.Nf7 Rd1 41.Kf2 Rd2 42.Qd2 Rc5+-) 38.Qh8 1-0. carlos78 (2255) - armagnac (2080), Rated Blitz game, lichess.org, 2015.

7.Bc4 Nbd7 8.0-0 Nb6 9.Be2 Bf5 10.d4 Nbd5 11.a3 a5 12.b5 a4 13.Nc3 Nc3 14.Bc3 Ne4 15.Bb2 c5 16.Bd3 cd4 17.Bd4 Nd6 18.Bg7 Kg7 19.Bf5 Nf5 20.Nd4 Nd4 21.Qd4 Qd4 22.ed4 Rfd8 23.Rfd1 Rd5 24.Rab1 Rad8 25.Rb4 b6 26.f3 e5 27.Ra4 ed4 28.Kf2 d3 29.Rb4 Rc5 30.Rd2 Rc2 31.Ke3= Rc3 32.a4 Ra3 33.Rc4 Rd6 34.g3 f5 35.f4 Kf6 36.Rc6 Ke6? 37.Rd6+– Kd6 38.Rd3 Rd3 39.Kd3 h6 40.Kd4 g5 41.fg5 hg5 42.h3 Ke6 43.h4 gh4 44.gh4 Kf6 45.h5 Kg5 46.Ke5 f4 47.h6! f3 48.h7 f2 49.h8Q f1Q 50.Qg7 Kh4?? 51.Qf6 Qf6 52.Kf6 Kg4 53.Ke6 Kf4 54.Kd6 Ke4 55.Kc6 Kd4 56.Kb6 Kc4 57.Ka6 Kc5 58.b6 Kc6 59.b7 Kc7 60.Ka7 Kd6 61.b8Q (61.b8Q Kd5 62.a5+–) 1–0. Fournier,Frederic (1880) – molinatiko (1860), Active (5/0), 2004.

7.Bc4 Nbd7 8.d4 Nb6 9.Be2 c6 (9...Nbd5 10.b5=) 10.a4 (10.Nc3 Bf5=) 10...Ne4 (10...Bf5 11.0-0=) 11.Nc3 (11.Nbd2 Nd2 12.Qd2 Be6=) 11...Nd6 (11...Bf5 12.Rc1=) 12.Nd2 (12.0-0 Nbc4=) 12...e5 (12...Be6 13.0-0=) 13.de5 Be5 14.Qc2 (14.0-0 Nd5 15.Qb3 Be6 16.Nd5 Bd5=) 14...Bf5 (14...Qg5 15.f4 Bf5 16.Qd1 (< 16.fg5 Bc2 17.a5 Bc3 18.Bc3 Nd5=) 16...Qg2 17.Bf3=) 15.e4 Be6 16.Nd1 (16.0-0 f5+=) 16...Bb2 (16...Qf6 17.a5 Nd7 18.0-0=) 17.Nb2 a5 18.ba5 Ra5 19.Qc3 (19.0-0 Qf6=) 19...Qg5 (19...Qa8 20.0-0=) 20.0-0 (20.f4!? Qc5 21.Qc5 Rc5 22.e5+=) 20...Rfa8= 21.Nb3 (better is 21.f4!? Qc5 22.Qc5 Rc5 23.Bd3=+) 21...Ne4-/+ 22.Qb4 Bb3 23.Qb3 Nd5 24.Nc4 Nf4 25.Qf3 Nc3 26.Na5? Nfe2 27.Kh1 Qa5 28.Rfe1 Nd4 29.Qf6 Nde2?? 30.h3?? Re8–+ 31.Qf3 Qd5 (32.Qg4 b6–+; 31...Re4 32.Qd3–+) 0–1. Danielian,Elina (2330) – Zhu Chen (2420), Wch U20 Girls, 1996.

7.Bc4 e5 8.Ne5 (8.Be5 Nc6 9.Bc3 a6+=) 8...Ng4 9.Nf7 (9.Ng4? Bb2 10.Nh6 Kg7 11.Nf7 Qh4–+) 9...Rf7 10.Bg7?? (better is 10.Qb3 Nh6 11.0-0+=) 10...Kg7-/+ 11.Bf7 Kf7 (better is 11...Qf6!? 12.f3 Qa1 (< 12...Kf7 13.Qb3 Be6 14.Qc3 Qc3 15.Nc3+/–) 13.fg4 Kf7 14.0-0 Ke8 15.Qa4 Bd7=+) 12.Qf3 Nf6 13.Nc3 Nc6 14.a3 Ne5=+ 15.Qg3 Nd3 16.Kf1 Bf5 17.Nb5 Nb4 18.Qc7 Qc7 19.Nc7 Nc2 20.Na8 Bd3 21.Kg1 Na1 22.f3 Nc2 23.Kf2 Na3 24.Rc1 Nc2 25.Rb1 b5 26.Nc7 b4-/+ 27.Rb2 a5–+ 28.Na6 Ba6 29.Rc2 b3 30.Rb2 a4 31.Ke1 Bc4 32.d3 a3 (32...a3 33.Rb1 a2–+) 0–1. Wurm,Tamas – Bertel,Michael (1765), internet, 2004.

7.Bc4 Bf5 8.Qb3 e6 (8...Nc6 9.Nc3+=) 9.d3 Nc6 (9...a5 10.h3 c6 11.a4+=) 10.h3= e5 11.Ne5 (worse is 11.Be5 Ne5 12.Ne5 Qe7=) 11...Ne5 12.Be5 a6 13.Qc3 (better is 13.d4!?+=) 13...b5+= 14.Bb3 Bd3 (better is 14...Re8 15.Bd4 a5+=) 15.Na3?? (15.Nd2 a5 A) 16.Qc7? Qc7 (16...ab4?! 17.Qb7+=) 17.Bc7 a4–+; B) 16.Bd4=) 15...Ne4–+ 16.Qb2 Be5 17.Qe5 Re8 18.Qb2 (18.Qf4 Qe7 19.0-0-0 Rad8–+) 18...Qh4 19.g3 (19.0-0-0 Nf2 20.Rhf1 Bf1 21.Bf7 Kf7 22.Rf1 Re3 23.Qf2 Qf2 24.Rf2 Ke7–+) 19...Ng3! 20.0-0-0 (20.fg3 Re3 Double attack (20...Re3 Decoy)) 20...Ne2 21.Kd2 Qf2 22.Bf7 Qf7 23.Kd3 (23.Rhf1 Qd5 24.Qb3 Bc4 25.Ke1 Qe4 26.Nc4 bc4–+ (26...Qc4?! 27.Qc4 bc4 28.Ke2+=)) 23...Re3!! 24.Ke3 Re8 (better is 24...Qe7 25.Kf2 Rf8 26.Ke1 Ng3 27.Kd2 Rf2 28.Kc1 Rb2 29.Kb2 Qb4 30.Kc2 Nh1 31.Rd8 Kf7 32.Nb5 Qe4 33.Kc3 Qc6 34.Kd3 Qb5 35.Kc3 Nf2–+) 25.Kd3 Qf5 26.Kd2 Qf4 27.Kc2 Qe4 (27...Qe4 28.Kb3 c5–+) 0–1. Nikolic,Jovane (1725) – Nobre,Jose Adalberto Barb (1780), Sao Paulo, 2010.

7.Bc4 Bf5 8.Nc3 Nbd7+=.

7.Bc4 Bf5 8.d3 Nc6-/+ 9.a3 Rb8 (9...a6 10.d4-/+) 10.d4 b5 (10...e5 11.0-0+= (worse is 11.Ne5 Ne5 12.de5 Ng4-/+)) 11.Be2 (11.Bb3 Qe8+=) 11...a5-/+ 12.Nc3 ab4 13.Nb5 ba3 (13...Qd5!? 14.Rc1 Be4=) 14.Ba3= Qd5 15.Bc5 (15.Rc1 Ne4= (worse is 15...Rb5 16.Bc4 Nb4 17.Bb4+/–)) 15...Ne4+= 16.Rc1 (16.Nc7 Qd7 17.Na6+=) 16...Na5 (16...Rb7 17.0-0+=) 17.0-0 (17.Nc7 Qd8 18.Na6 Nb3-/+) 17...Qd8 (17...Qd7 18.Nh4 Be6 19.Qd3+=) 18.Qa4 (18.d5=) 18...Nb7 (18...c6!? 19.Bb4 cb5 20.Qa5 Qa5 21.Ba5 b4+=) 19.Ba7 The pawn on c7 gets attacked (19.Bb4 Bf6+=) 19...Rc8 20.Ne5 Be5 (20...c5 21.f3 Ned6 22.f4 Nb5 23.Qb5+=) 21.de5+/– c6 (21...Qd2!? 22.Rc2 Qd5+/–) 22.Nd4+– Ra8? (better is 22...c5 23.Nf5 gf5+–) 23.e6?? (better is 23.Nc6 Bd7 24.Rfd1+– (24.Qe4?! Bc6 25.Qc6 Ra7+–)) 23...Qe8 (23...Nbc5 24.Qa3 (24.Rc5 Nc5 25.Qb4 Ne6 26.Nc6 Qc7 27.Ne7 Kg7+=) 24...Qc7 A) 25.Rc5?! Nc5 26.ef7 Rf7 27.Qc5 A1) worse is 27...Ra7 28.Bc4 (28.Nc6?! Rb7=) 28...Be4 29.Bf7 Kf7 30.f3+=; A2) 27...Qa7 28.Qa7 Ra7=; B) 25.Nf5 Ra7 (worse is 25...Qa7 26.Qa7 Ra7 27.ef7 Kf7 28.Nd4+/–; 25...gf5?! 26.Rc5 Nc5 27.Qc5 Ra7 28.Qf5 fe6 29.Qe6 Kh8 30.Rd1+=) 26.Qb4 Ra4=; C) 25.ef7 Rf7 26.Bb6 (26.Rc5?! Nc5 27.Qc5 Qa7 28.Qa7 Ra7=) 26...Ra3 27.Bc7+/–) 24.g4 (better is 24.ef7 Qf7 25.Nc6+– (25.Rc6?! Bd7 26.Bc4 e6+/–)) 24...c5?? (better is 24...Be6 25.Ne6 fe6 26.Qe4 Ra7 27.Qe6 Qf7+/–) 25.Bb5+– Qd8 26.Nc6 (26.gf5?! cd4 27.ef7 Rf7+–) 26...Qc7 27.gf5 gf5 28.f3 Ned6 29.Qh4 fe6 30.Ba4 (30.Bc5 Nc5 31.Rc5 Rf7+–) 30...f4 (30...Rf6 31.Kh1 Kh8+–) 31.Ne7 Kh8 32.Ng6 Kg7 33.Nf8 Kf8 34.Qf4 Ke7 (34...Qf7 35.Qh6 Qg7 36.Qg7 Kg7 37.Rc5 Nc5 38.Bc5 Ra4 39.Bd6+–) 35.Qh4 (better is 35.Kh1 Ne8 36.Qg5 Kf8 37.Rg1+–) 35...Kf8 36.Qf4 Ke7 37.Qg5 (better is 37.Kh1 Ra7 38.Rg1 Ra4 39.Rg7 Kd8 40.Qf8 Ne8 41.Rc7 Kc7 42.Qe8 Rb4+–) 37...Kf8 (37...Kf7 38.Kh1 Qe7 39.Qh5 Kf8 40.Rg1+–) 38.Bc5 Ra4 (38...Nc5 39.Rc5 Qg7 40.Qg7 Kg7+–) 39.Bd6 Qd6 40.Rc8 Kf7 41.Qg8 (41.Qg8 Kf6 42.Qh8 Kf7 43.Rg8 Qg3 44.hg3 Ke7 45.Rg7 Kd6 46.Rd1 Kc6 47.Qc8 Kb5 48.Rb7 Ka5 49.Qa8) 1–0. Gemy,Jose Daniel (2380) – Cruz,Ricardo Benares de (2320), Acre GM, 2017. (=1.Nf3 d5 2.e3 g6 3.c4 Nf6 4.b4 Bg7 5.Bb2 0-0 6.Be2 dc4)

7.Bc4 Bg4 8.0-0 Nbd7 9.h3 Bf5 10.Nd4 Be4 11.Nc3 Ne5 12.Ne4 Nc4 13.Nf6 Bf6 14.Bc3 Qd5 15.Rc1 e5 16.Qf3 Qf3 17.Nf3 Bg7 18.d3+/– Nd6 19.Be5 Be5 20.Ne5 c6 21.Rc5 Rad8 22.Rfc1 Rfe8 23.Nf3 Nf5 24.R5c3 a6 25.a4 Re7 26.a5 f6 27.d4 Nd6 28.R3c2 Ne4 29.Nd2 Nd6 30.Nb3 Nb5 31.Nc5 Rde8 32.Nb7 Rb7 33.Rc6 Ree7 34.Ra6+– Nc7 35.Rf6 Rb4 36.Ra1 Kg7 37.Rc6 Kf7 38.a6 Nb5 39.Rb6 Ra7 40.Ra5 Rb1 41.Kh2 Nc3 42.Rb1 Nb1 43.Rb5 Ra6 44.Rb1 Ra2 45.f3 1–0. guest638 – guest2108, ICC, 2002.

6.Be2 Nc6

7.Qa4 dc4 8.b5 Nb8 9.Bc4 Nbd7 10.d4 (10.Bd4!?=) 10...Nb6=+ 11.Qb3 Nc4 12.Qc4 Qd5 (12...a6 13.Nc3=+) 13.Nbd2 (13.Qd5 Nd5 14.Nc3 Rd8=) 13...a6 14.ba6 Qc4 15.Nc4 Ra6 16.0-0 Be6 17.Rfc1 c6 18.a3 Rfa8 19.Nfe5 Ne4 20.Nd3 Nd6 21.Nd2 Rb6 22.Bc3 Nc4 23.Nc4 Bc4 24.Nc5 f5 25.Bb4 Bd5 26.Nd7 Rba6 27.Be7 Kf7 28.Bc5 b5 29.Nb6 Rb6? 30.Bb6+– Bh6 31.Re1 Bf8 32.Bc5 Bc5 33.dc5 Ra4 34.f3 Kf6 35.Kf2 g5 36.Reb1 Rc4 37.Rc1 Ra4 38.Rd1 Rc4 39.Rac1 Ra4 40.Rc3 Ke5 41.Rb1 h5 42.Rb4 Ra5 43.e4! fe4 44.fe4 Bc4 45.Ke3 Ra8 46.a4! Ra5 47.Rc2 g4 48.g3 Ra8 49.Rf2 Be6 50.ab5 cb5 51.Rd2 Bc4 52.Rc4! bc4 53.Rd5 Ke6 54.Kd4 1–0. Lanca,Ivan (2105) – Lamper,Vlastimil (1995), Ostrava op–B, 2003.

7.b5!? Na5 8.cd5 Nd5 9.Bg7 Kg7 10.Nc3+=.

7.cd5 Nb4-/+ (7...Nd5?! 8.Bg7 Kg7 9.b5+=) 8.Bf6 Bf6 9.Nc3 Bf5 (9...Nd5 10.Rc1–+) 10.0-0 (10.e4 Be4 11.Ne4 Ba1-/+) 10...Nd5 11.Rc1 c6 12.d4 Nc3 13.Rc3 Qd5 14.Bc4 Qa5 15.Qc1 c5 16.Qa3 (16.Ra3!? Qc7 17.Bd3 Bd3 18.Rd3-/+) 16...Qa3 17.Ra3 cd4 18.Nd4 Bd4 19.ed4 a6 (19...Rfd8 20.d5-/+) 20.Re3 (20.Bd5 Rab8 21.Rc1 Rfd8–+) 20...e6-/+ 21.d5 ed5 (better is 21...Rac8!? 22.Bb3 ed5 23.Bd5 Rc2-/+) 22.Bd5= Rab8 23.Re7 b5 24.Ra7 (24.Rfe1 Kg7=+) 24...Rb6 (24...Rbd8 25.Rd1 Be6 26.Bf3-/+) 25.Rc1 Be6 26.Be6 Re6 27.g3 Kg7 28.Rc2 Rf6 29.Rc3 Re8 30.Rc2 Re5 31.Kg2 Ref5 32.a3 Rf3 33.Ra6 Ra6 34.Kf3 Ra3 35.Ke2 Rb3 36.Rc6 b4 37.Rb6 Rb2 38.Kf3 b3 39.h4 h5 40.Ke3 Rb1 41.f3 b2 42.Kf4 f6 43.Rb5 Kf7 44.Rb3 Ke6 45.Re3 Kd5 46.Rb3 Kc4 47.Rb8 Kc3 48.Rc8 Kd2 49.Rd8 Ke2 50.Re8 Kf2 51.Rb8 g5 52.hg5 fg5 53.Kg5 Kf3 54.Rb3 Ke4 55.Rb4 Kd5 56.Rb5 Kc4 57.Rb8 h4 58.gh4 Rg1 59.Kh6 b1Q 60.Rb1 Rb1 61.h5 Kd5 62.Kh7 Ke6 63.h6 Kf6 64.Kg8–+ Kg6 65.h7 Rb8 0–1. BeerClark – DanielMartin, ChessWorld.net, 2004.

6.Be2 Bf5

7.0-0 dc4 8.Bc4 Bd3 9.Bd3 Qd3 10.a4 Nc6 11.b5 Na5 12.Ra3 Qd6 13.Qc2 Nd5 14.Bg7 Kg7 15.Rd3 f5 (better is 15...e5!? 16.e4 Nb4 17.Rd6 Nc2+/–) 16.Rd5!+– Qd5 17.Qc3 e5 18.Qa5 Rf7 19.Qc3 Re8 20.d4 e4 21.Ne5 Rfe7 22.Nd2 Rd8 23.Rd1 f4 24.h3 g5 25.Qc4 Qd6? (better is 25...Qc4 26.Ndc4 h6+–) 26.Ne4 Qh6 27.Ng4 Qg6 28.f3 h5 29.Qc5 Rde8 (29...Kf8 30.Ne5 Qf5 31.ef4 gf4 32.Re1+–) 30.Ngf6 Re4 31.Ne4 fe3 32.Qg5 (better is 32.Qc7 Kh6+–) 32...Qg5 33.Ng5 e2 1–0. Saradjen,Janko (2155) – Skok,Joze (2095), Lucija Domen op 1st, 2006. (=1.e3 d5 2.b4 Nf6 3.Nf3 g6 4.Bb2 Bg7 5.c4 0-0)

7.0-0 Be4 8.Nc3 Bf3 (8...a5 A) worse is 9.Ne4 de4 (worse is 9...Ne4 10.Bg7 Kg7 11.Qb1+=) 10.Ne5 ab4+=; B) 9.b5+=) 9.Bf3 (worse is 9.gf3 d4 10.ed4 Qd4-/+) 9...c6 10.cd5 Nd5 (10...cd5 11.d4+=) 11.a3 (11.Qb3 e6+=) 11...Nc3 (11...a5 12.Qb3+=) 12.dc3 (12.Bc3 e5+=) 12...Qd1 (12...Nd7 13.Qc2+=) 13.Rad1 e6 14.Rd2 b6? (14...a5 15.Rfd1+=) 15.Rfd1 (better is 15.b5+–) 15...c5?? (better is 15...a5+/–) 16.Ba8+– cb4 (16...c4 17.Bb7+–) 17.cb4 Na6 (17...Bb2 18.Rb2 Rc8 19.Rbd2+–) 18.Bf3 (18.Bg7 Kg7 19.Bb7 Nc7+–) 18...Nc7 (18...Bb2 19.Rb2 Nb8 20.Rbd2+–) 19.Bg7 Kg7 20.Rd7 Nb5 21.a4 (21.Rc1 Na3 22.Ra7 Nb5+–) 21...Nc3 22.Rc1 Na4 23.Ra7 Nb2 (23...b5 24.Be2+–) 24.Be2 Rd8 (24...b5 25.Bb5 Rb8 26.Be2 Rb4 27.Rcc7+–) 25.g3 (25.Rcc7 g5 26.Rf7 Kg6 27.Rg7 Kf5 28.Raf7 Ke5 29.Rg5 Kd6 30.Rh7 Rc8+–) 25...Nd3 (25...Rd2 26.Kf1 Kf6 27.Rcc7+–) 26.Bd3 (26.Rcc7!? Kg8+–) 26...Rd3 27.Rcc7 1–0. GuestTRNQ – GuestJYGM, freechess.org, 2017.

7.b5 dc4 8.Bc4 a6 9.d4+=.

7.b5 c6 8.a4 (8.Nd4 Bd7=) 8...a6 (8...dc4 9.Bc4 Nbd7 10.bc6 bc6 11.0-0=) 9.0-0 (9.cd5 cd5 10.0-0=) 9...Ne4 (better is 9...dc4!? 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Bd3 13.Bd3 Qd3+=) 10.Bg7+= Kg7 11.d3 Nf6 12.Nc3 (12.bc6 bc6 13.d4 Qa5+=) 12...Nbd7 (12...cb5 13.ab5 dc4 14.dc4 Qd1 15.Rfd1+=) 13.Nd4 e5 (13...Qa5 14.bc6 bc6 15.Rc1 dc4 16.dc4+=) 14.Nf5+/– gf5 15.d4 (15.cd5 Nd5 16.Nd5 cd5+/–) 15...e4 (15...Ne4 16.Rc1 ab5 17.ab5+/–) 16.c5 Kh8 (16...Rg8 17.bc6 bc6 18.f3+/–) 17.Qb3 (17.Qd2 Rg8+/–) 17...Qe7 (17...Rg8 18.bc6 bc6 19.Rab1+/–) 18.ba6 ba6 19.Qb7 Qe6 20.Qc7 (20.Rab1 Rg8+/–) 20...a5 (20...Ne8 21.Qf4+/–) 21.Rfb1 Rfc8 22.Qf4 Nf8 (22...Rg8 23.Rb7+/–) 23.Rb7 Ng6 24.Qg3 Kg7 (24...Rg8 25.Qc7+/–) 25.Rab1 h5 (25...f4 26.ef4 Qf5 27.R7b6+–) 26.Qg5 (26.Kh1 h4 27.Qh3 Re8+/–) 26...h4+/– 27.h3 (27.Bd1 Nh7 28.Qh5 Nf6+/–) 27...Rh8 (27...Nh7 28.Qh5 Nf6 29.Qg5=) 28.Bd1 Nh7 (better is 28...Rh6!? 29.Rb8 Rb8 30.Rb8 Nd7 31.Rg8 Kh7=) 29.Qh5+/– Nf6 30.Qg5 (better is 30.Qe2!?+/–) 30...Nh7= 31.Qh5 Nf6 32.Qe2 f4 33.R1b6 f3 (33...Nd7 34.Rb3+/–) 34.gf3 Qh3 35.fe4 (35.Rc6 Ne5 36.Qf1 Qf1 37.Kf1 Nc6–+) 35...Rh5 (35...de4 36.Rc6 Nf4 37.Qf1+/– (37.ef4 Rhg8 38.f3 Kh8 39.Kf2 Rg2 40.Ke3 Re8 41.Ne4 Re4 42.Kd3 Ree2 43.Be2 Qf5 44.Kc4 Re2–+)) 36.f4 Qg3 (36...Nf4 37.ef4 Rh6 38.Qg2 Rg6 39.Rf7 Kh6 (39...Kf7? 40.Rb7 Nd7 41.Rd7 Qd7 42.Bh5+–) 40.Qg6 Kg6 41.Rf6 Kf6 42.Rc6 Kg7 43.Nd5 Qg3 44.Kf1 h3–+) 37.Kf1+– h3 (37...de4 38.Rc6 Rf5 39.Rf6 Rf6 40.Ne4 Qh3 41.Kg1+–) 38.e5 h2 (38...Ne4 39.Ne4 (39.Rc6 h2 40.Rg6 Qg6 41.Rf7 Kg8 42.Qe1 h1R 43.Ke2 R5h2 44.Qf2 Rf2 45.Kd3 Nc5) 39...de4 40.Rf7 (40.Rc6 h2 41.Qh5 Qg1 42.Ke2 Qg2 43.Ke1 h1Q 44.Qh1 Qh1 45.Kd2 Rh8–+) 40...Kf7 41.Qh5+–) 39.ef6 Kh6?? (39...Kf6 40.Qh5 Qg1 41.Ke2 Qg2 42.Kd3 h1Q 43.Rc6 Kg7 44.Qh1 Qh1+–) 40.Qh5 1–0. DEFFM – Piscomontano, freechess.org, 2018.

7.d4 dc4 8.Bc4 Nbd7=.

7.cd5 c6 8.dc6+= Nc6 9.a3 Bd3 10.0-0 Rc8 11.Ne1 Be2 12.Qe2 Re8 13.d3 e5 14.Nc3 Nd4? (better is 14...Qd6!?+/–) 15.ed4+– ed4 16.Ne4 1–0. Byrne,Robert E – Berrios Pagan,Angel, San Juan, 1969.

7.cd5 Nd5!? 8.Bg7 Kg7=.

5.e3 Ne4

6.d4 c5 7.bc5 (7.Qc2 d5 8.dc5 Bb2 9.Qb2 a5+–) 7...Nc5+= 8.Qc2 (8.Nc3 Ne6+=) 8...Ne6 9.d5 (9.Be2 Na6+=) 9...Nc7 (9...Bb2 10.Qb2 Nc5 11.d6=) 10.Bg7+= Kg7 11.e4 (11.Bd3 d6+=) 11...e6 (11...d6 12.Qb2 Kg8 13.Be2=) 12.Nc3 (12.d6 Nca6+–) 12...ed5 (12...d6 13.de6 Ne6 14.Rd1+=) 13.Nd5 Nd5 (13...d6 14.Bd3+=) 14.cd5 Re8 15.Qb2 (15.Bd3 d6+–) 15...Kg8 16.Bd3 Qa5 17.Nd2 (17.Kd1 Na6+=) 17...Qd5= 18.0-0?? (better 18.Bc4 Qg5 19.0-0=) 18...Qd3–+ 19.Rad1 b6 (19...d6 20.Rfe1–+) 20.Rfe1 Ba6 (20...Bb7 21.e5 Qf5 22.Nc4–+) 21.Nf3 (21.e5 d5–+) 21...Qc4 22.Ne5 (22.a3–+) 22...Qc5 (22...Qe6 23.Nf3–+) 23.Nd7? (23.Ng4 Re6 24.Nh6 Kf8 25.Qh8 Ke7 26.Qh7=+) 23...Nd7–+ 24.Rd7 Qb5 (better 24...Rad8 25.Rd2 Bd3–+) 25.Qf6 (25.Qd4–+) 25...Qd7 26.h4 (26.Qa1 Rac8 27.Rd1 Qg4–+) 26...Bb7 (26...Qd2 27.Re3–+) 27.h5 (27.f3 Qd2 28.Rb1 Rac8–+) 27...Re4 (better 27...Qd2 28.Re3 Qd1 29.Kh2 Qh5 30.Rh3 Qe5 31.Qe5 Re5 32.f3–+) 28.Rb1 (28.Re4 Be4 29.f3 Qc6–+) 28...gh5 (28...Rg4 29.f3 Qd2 30.Rb2 Rg2 31.Kh1 Qb2 32.Qb2 Rb2 33.hg6 Rc8 34.gh7 Kh7 35.a3 Rc1) 29.Qg5 Kf8 30.Qh6 Ke8 31.Qh7 (31.Qh5 Qd2 32.Qb5 Kf8 33.Qb3–+) 31...Qg4 (better 31...Qd5 32.Rf1 Rg4 33.f3 Qd4 34.Kh2–+) 32.Qh8 (32.f3 Qe6 33.fe4 Be4 34.Qg8 Ke7 35.Qg5 f6 36.Qg7 Qf7 37.Qf7 Kf7 38.Rb4–+) 32...Ke7 (32...Kd7 33.f3 Rh8 34.fg4–+) 33.f3 Rh8 34.fg4 hg4 (better 34...Re2 35.Kf1 Ra2–+) 35.Rf1 Re2 (35...g3 36.Rd1 Re2 37.Rd7 Kd7 38.Kf1 Re3 39.a3 Rh1) 36.a4 Rc8 (36...Rg2) 37.Rf4 (37.Rf2 Rc1 38.Kh2 Rf2 39.Kg3 Rg2 40.Kf4 Kf6 41.Ke3 Ke5 42.Kd3 Be4 43.Ke3 Re1) 37...Rcc2 (37...Rg2 38.Kf1 Rc1) 38.Rg4–+ Rg2 39.Rg2 Rg2 40.Kf1 Ra2 (40...f5 41.Ke1 f4 42.Kd1 f3 43.Kc1 f2 44.Kd2 f1Q 45.Kc3 Rg3 46.Kb2 Qe2 47.Kc1 Rg1) 41.Ke1 Ra4 42.Kd2 Rb4 43.Kc3 a5 44.Kc2 Bc6 45.Kc3 Rb5 46.Kc4 a4 47.Kc3 (47.Kd4 a3 48.Ke3 a2 49.Kd4 a1Q 50.Ke3 Qc3 51.Ke2 Re5 52.Kf2 Qe1) 47...a3 48.Kd4 (48.Kd2 a2 49.Kc3 a1Q 50.Kc4 Qc1 51.Kd3 Bf3 52.Kd4 Rd5) 48...a2 49.Ke3 (49.Kd3 a1Q 50.Kc4 Qc1 51.Kd3 Bf3 52.Kd4 Rd5) 49...a1Q 50.Ke2 Qc1 51.Kf2 Re5 (51...Rb2 52.Kg3 Rg2 53.Kh4 Qh6) 52.Kg3 Qg5 53.Kf2 (53.Kh3 Re3 54.Kh2 Qg3) 53...Rf5 (53...Qg2) 54.Ke2 Qf6 (54...Bf3 55.Kd3 Qc1 56.Kd4 Rd5) 55.Kd3 Rd5 (55...Bb5 56.Kd2 Rf2 57.Ke1 Re2 58.Kd1 Qf1) 56.Ke3 (56.Ke2 Qb2 57.Ke1 Re5 58.Kd1 Bf3) 56...Qe6 (56...Rd1 57.Ke2 Qf3) 57.Kf3 (57.Kf2 Rd2 58.Kg3 Rg2 59.Kf4 Qe4) 57...Rf5 58.Kg4 (58.Kg3 Qg6 59.Kh4 Rh5) 58...Qg6 59.Kh4 Rh5 0–1. Markzela (1730) – Florchen (1660), lichess.org, 2020.

6.Bg7 Kg7

7.Bd3 Nf6 8.0-0 d6 9.Nc3 c6 10.Bc2 Bg4 11.h3 Bf3 12.Qf3 (worse is 12.gf3 d5+=) 12...Nbd7 13.d4 e5 14.de5 (14.a3 Re8+=) 14...Ne5 15.Qe2 a5 16.b5 c5 (16...Rc8!?=) 17.Rad1 b6 (17...Qe7!?+/–) 18.Rd2 (18.f4 Ned7 19.Rd6 Qe7+–) 18...Qe7+/– 19.Rfd1 Rfd8 (19...Qe6 20.Rd6 Qc4 21.Qe1+–) 20.a4 (20.f4 Ned7+–) 20...Ne8 (20...Qe6 21.Bb3+/–) 21.Nd5+– Qh4 22.f4 Nd7 23.Be4 (23.Qf2 Qf2 24.Kf2 h6+–) 23...Ra7 24.Qd3 Ndf6 (24...f5 25.Bf3+/–) 25.Qc3 (25.Nb6 Re7 26.Bf3 Rb8+–) 25...g5 (25...Kg8 26.Nf6 Nf6 27.Bc6+/–) 26.Bf3 (26.g3!? Qh6+–) 26...gf4 27.ef4 Kf8 (27...Kg8 28.Nb6 Qf4 29.Nd5 Nd5 30.Bd5+– (30.cd5?! Qa4 31.Rb1 Rb8=)) 28.Nf6 (28.Re2 Ng8+–) 28...Nf6 29.Rd6 Rd6 (better is 29...Rad7 30.Qe5 Rd6 31.Rd6 Nd7+–) 30.Rd6 Nd7 31.Qd2 (31.Bc6 Rc7 32.Bd7 Qf4+–) 31...Qe7 32.Rc6 (32.f5 Ke8+–) 32...f6 (32...Kg8 33.Qd6 Qd6 34.Rd6+–) 33.Kh2 (better is 33.Bg4 Kg7 34.Rd6+–) 33...Qf7 (33...Qd8+–) 34.Rc8 Kg7 35.Bd5 Qh5 (35...Qf8 36.Rf8 Kf8+–) 36.Rg8 Kh6 37.f5 (37.g4 Ne5 38.g5 Qg5 39.fg5 Kh5 40.Kg3 Rg7 41.Rg7 f5 42.Qe2 Nf3 43.Qf3) 37...Qg5 38.Rg5 fg5 39.h4 Ne5 (39...Kg7 40.Qg5 Kf8 41.Qd8 Kg7 42.Qe7 Kh8 43.f6 Nf6 44.Qf8 Ng8 45.Qg8) 40.Qg5 1–0. zabazaba (1610) – jove66, gameknot.com, 2014.

7.d4 c6 8.Bd3 Nd6 (8...d5 9.Nbd2 Bf5 10.Nh4+=) 9.0-0+/– b5 (9...b6 10.Nc3+/–) 10.Na3 (10.c5 Nb7+/–) 10...bc4 (10...a5 11.c5 ab4 12.Nc2+= (< 12.cd6 Ra3 13.de7 Qe7=+)) 11.Nc4+/– Nc4 12.Bc4 Na6 (12...a5 13.Rb1+/–) 13.Qa4 (13.a3 Nc7+/–) 13...Nc7 14.e4 (14.Rab1 a5+/–) 14...Rb8 (14...d5 15.ed5 cd5 16.Bd3+=) 15.Rab1 (15.Bd3+/–) 15...Rb6? (better is 15...d5!? 16.Bd3 Bg4+=) 16.Qa7+– Rb7 17.Qa5 d5 18.ed5 cd5 19.Bd3 Bg4 20.Ne5 Be6 21.b5 Qa8 22.Qa8 Ra8 23.b6 Ne8 24.Bb5 Nd6? 25.Bc6+– Rab8 26.Bb7 Rb7 27.a4 f6 28.Ng4 Bg4+/– 29.a5 Be2 30.Rfd1 Ba6 31.Rb2 Nb5 32.Ra1?? Nd4-/+ 33.Rd1 Bd3?? 34.a6 Rd7?? 35.Rc1 Bc4?? 36.Rc4 Rd6?? 37.Rc3 f5 38.b7 Rc6 39.Rb6 Kf7?? 40.h3 Nc2 (40...Rb6 41.a7 Ne2 42.Kf1 Nc3+–) 1–0. Popkirov,Stojan – Winkler,Daniel, Schleswig Holstein–ch U11, 1997.

7.d4 d5 8.Bd3+=.

5.e3 e6

6.Qc2 d5 7.a4 (7.d4 Nbd7=) 7...dc4 8.Bc4 c6 (8...Nc6 9.b5 Nb4 10.Qb3=) 9.0-0+= Nh5 (9...a5 10.ba5 Qa5 11.d4+=) 10.d4 Nf6 11.Nbd2 b6 12.Ne4 Nd5 13.b5 c5? (better is 13...a6+/–) 14.dc5+– Bb2 15.Qb2 bc5 16.Nc5 Qc7 (16...Nd7 17.Bd5 ed5 18.Rfc1+–) 17.Bd5 ed5 18.Rac1 Qb6 19.Nd4 Nd7? (19...a6+–) 20.Nc6 Nc5 (20...Re8 21.a5 Qc5 22.Rc5 Nc5+–) 21.Ne7 1–0. GuestMHWV – GuestPMTV, freechess.org, 2017.

6.d4 Qe7 7.Qb3 d5 (7...a6 8.Nc3=) 8.Nc3 (8.Ba3 Rd8+=) 8...Rd8= 9.Bd3 Nc6 10.a3 b6 (10...dc4 11.Bc4 a5 12.b5+=) 11.cd5 ed5 12.0-0 a6 13.Rfc1 Rd6 14.a4 Rd7 (14...Bb7 15.Ba3 Qe6 16.b5+/–) 15.Ba3 Qe6 16.Qb2 Bb7 17.b5 Na5 18.ba6 Ba6 19.Ba6 Ra6 20.Ne5 Rd8 (better is 20...c6 21.Nd7 Nd7+/–) 21.Qb5 Raa8 22.Rab1 Ne8+= 23.Nf3 Nc4 24.Qb3 Rac8 25.Nd1 c5 26.dc5 bc5-/+ 27.Qa2 Ned6 28.Bb2 Nb2 29.Nb2 Ne4 30.Nd1 Qa6 31.Rc2 Ra8 32.Rbc1 Qa4 33.Qa4 Ra4 34.Nd2 Nd2 35.Rd2 c4 36.g3 f5 37.Nc3 Ra5 38.Ne2 Rc5 39.Nd4 Kf7 40.h4 Rd7 41.Kg2 Bd4 ½–½. Pierro,Sergio – Loof,Kent, IECC, 2000.

6.b5 b6

7.d4 Bb7 8.Bd3 Ne4 (8...a6 9.0-0=) 9.0-0 c5 (9...a6 10.Nc3 f5 11.a4=) 10.bc6 dc6?? (better is 10...Bc6 11.Ne5 Be5 12.de5 Nc5+=) 11.Be4+– Qc7 (11...f5 12.Bc2+–) 12.Nc3 c5 (12...Nd7 13.Qe2+–) 13.Nb5 (13.Bb7 Qb7 14.dc5 bc5+–) 13...Qd7 14.Bb7 Qb7 15.Qe2 cd4 16.ed4 (16.Bd4 f6+–) 16...a6 (16...Rd8 17.Rad1+–) 17.Nd6 Qd7 (17...Qc7 18.Ne4+–) 18.c5 b5 (18...Qc7 19.Rac1+–) 19.Ne5 Nc6 (19...Qe7+–) 20.Nd7 Nd4 21.Bd4 Bd4 1–0. GuestHZJN – GuestXKZGngbhtvn, freechess.org, 2018.

7.Be2 Bb7 8.d4 d5 9.0-0 dc4 10.Bc4 Ne4 11.Nbd2 (11.Nc3 a6=) 11...Nd6 (11...Nd2 12.Nd2 c5 13.bc6 Nc6 14.Qe2=) 12.Be2 a6 13.a4 a5 (13...c6 14.bc6 Nc6 15.Ba3+=) 14.Qb3 (14.Rc1 c5+=) 14...Bd5 (14...Nd7 15.Rac1+=) 15.Qc2+– Nd7 (15...f5 16.Ne5+–) 16.e4 Bb7 17.Rac1 Ne8? (better 17...Rc8+–) 18.Ba3+– Nd6? (18...Rc8 19.Bf8 Bf8 20.Rfd1+–) 19.e5 (19.Qc7 Be4 20.Bd6 Bf3 21.Bf3 Rc8+–) 19...Re8 (19...Rc8 20.ed6 cd6 21.Qb2 Rc1 22.Qc1+–) 20.ed6 (20.Qc7 Bf3 21.Bf3 Nb5 22.ab5 Rc8+–) 20...cd6 21.Bd6 Nf6 (21...Rc8 22.Qd3+–) 22.Be5 (22.Bc7 Qd7 23.Bb6 Rec8+–) 22...Ng4 (22...Nd5 23.Rfe1+–) 23.Bg7 (23.Bc7!? Qd7 24.Bb6 Rec8+–) 23...Kg7 24.h3 (24.Ne5 Rc8 25.Qb2 Ne5 26.de5 Qg5+–) 24...Nh6 (24...Nf6 25.Qc7 Nd5 26.Qe5 (26.Qb7?! Re7 27.Qc6 Rc7+–) 26...f6 27.Qg3+–) 25.Qb2 Kg8 (25...Nf5 26.d5 Qf6 27.Qf6 Kf6 28.de6 Re6 29.Bd3+–) 26.Ne5 Qg5 (26...Nf5 27.Bf3 Bf3 28.Ndf3+– (28.gf3?! Qd4 29.Ndc4 Qb2 30.Nb2 Ra7+–)) 27.Bf3 Bf3 28.Ndf3 Qf4 (28...Qd8 29.Nc6 Qd6 30.Nd2+–) 29.Nc6 (29.Rc6 Rab8+–) 29...Nf5 30.Rfd1 1–0. GuestHNYW – GuestSJYX, freechess.org, 2019.

6.b5 c6

7.a4 cb5 8.ab5 a6 9.Nc3 ab5?? (9...d5 10.d4+=) 10.cb5 (better is 10.Ra8 Na6 11.Nb5+–) 10...Ra1+= 11.Qa1 d5 12.Be2 b6 13.0-0 Nbd7 14.d4 Ne4 15.Ne4 de4 16.Nd2 Bb7 17.Qa7 Bd5 18.Rc1 Nf6 19.Rc7 Qd6? (better is 19...Qa8 20.Qb6 Qa2+/–) 20.Ba3 Qd8 21.Bf8 Qf8 (21...Bf8 22.Qb6 Bb4 23.Nc4+–) 22.Qb6 Qb4 23.Nf1 (better is 23.Qc5 Bf8 24.Qb4 Bb4 25.Nc4 Bc4 26.Bc4+–) 23...Qe1 (23...Bf8+–) 24.Rc8 Bf8 25.Qd6 (25.Qd6 Nd7 26.Qd7+–) 1–0. DEFFM – GuestXKZGngbz, freechess.org, 2018.

7.a4 cb5 8.ab5 a6 9.d4 b6 10.Nbd2 Bb7 11.Be2 ab5 12.cb5 d5 (12...Ra1 13.Qa1 Ne4 14.Qa7 Nd2 15.Qb7 Nf3 16.Qf3+=) 13.Ra8 Ba8 14.Qa1 Nbd7 15.0-0 Ne4 16.Ne4 de4 17.Nd2 Nf6 (17...Bd5 18.Rc1 Qa8 19.Qa6+=) 18.f3 (18.Ba3 Re8+=) 18...ef3= 19.Nf3 Ne4 20.Ba3 Re8 21.Qa2 Nc3 22.Qd2 Ne2 23.Qe2 e5 24.de5 Be5 25.Ne5 Re5 26.Bb2 Re8 (26...Rg5 27.e4 Qe8 28.Rd1+=) 27.Qc4 Attacking the backward pawn on f7 27...Bd5?? (better is 27...Qd5 28.Qd5 Bd5=) 28.Qc3+– Kf8 29.Qg7 Ke7 30.Bf6 (30.Bf6 Kd7 31.Bd8 Rd8 32.Qh7+–) 1–0. GuestDWBQ – GuestFFFZ, freechess.org, 2017.

7.a4 d6 8.d4=.

6.b5 d5

7.Nc3 a6 8.a4=.

7.Nc3 dc4 8.Bc4 Nd5. GuestFTDP – GuestTNGL, freechess.org, 2018.

7.Nc3 Ne4 8.Be2 (8.Rb1 a6=) 8...Nc3 (8...dc4 9.Ne4 Bb2 10.Rb1=) 9.Bc3+= Bc3 10.dc3 dc4 (10...a6 11.0-0+=) 11.0-0 (11.Bc4 a6+=) 11...a6 12.a4 (12.Bc4 ab5 13.Bb5 Qd1 14.Rfd1 Ra3+=) 12...ab5 (12...Qd5 13.Qb1=) 13.ab5 (13.Qd8 Rd8 14.ab5 Ra1 15.Ra1 Nd7 16.Bc4 Nf6+=) 13...Qd1 (13...Ra1 14.Qa1 Qd5 15.Qa4+=) 14.Rfd1 Ra1 15.Ra1 c6 16.Ra8 Nd7 17.bc6 (17.Bc4? Nb6 18.Ra7 Nc4 19.bc6 bc6–+) 17...bc6 18.Ra7 (18.Bc4? Nb6 19.Rc8 Rc8–+) 18...Nc5 (18...Rd8 19.Bc4 Nb6 20.Be2+=) 19.Rc7 (19.Ne5 Bb7+=) 19...Bb7 (19...Ne4 20.Bc4 Rd8 21.Bb3+=) 20.Ne5+/– Rc8 (20...Ra8 21.Nf7 Ra1 22.Bf1+=) 21.Rf7 Ba6 (21...Ra8 22.Bf1+/– (22.Bc4 Ra1 23.Bf1 Ba6–+)) 22.g4 (22.Ra7 Rb8+/–) 22...Nd3 (22...Na4 23.Re7+/–) 23.Bd3 cd3 24.Rd7 c5 (24...Rb8 25.Nd3 (25.Nc6 Rb1 26.Kg2 Bb7 27.Rd3 Bc6 28.Kg3 g5-/+) 25...Bd3 26.Rd3+/–) 25.c4 Kf8 (better is 25...Rb8!? 26.Nd3 Bc4 27.Nc5 Rb5+–) 26.Rh7+– Rd8? (26...Kg8 27.Rd7 Rb8+–) 27.Ng6 Kg8 28.Rh8 Kg7 29.Rd8 Kg6 30.Rd3 Bc4 31.Rc3 Be2 32.Rc5 (better is 32.h3!? Bf3+–) 32...Bg4 33.Kg2 1–0. DEFFM – GuestTDLS, freechess.org, 2018.

7.Nc3 Re8 8.d4=.

7.c5 a6 8.a4 Ne4 9.Bg7 Kg7 10.d4 ab5 11.ab5 Ra1 0–1. Abdullaevich (1895) – sergei19031980 (1905), lichess.org, 2020.

6.Nc3 c6

6.d3 d5

7.Nbd2 Nbd7 8.Be2 c5 (8...Qe7 9.a3=) 9.a3 b6 10.Rb1 a5 (10...Bb7 11.0-0=) 11.ba5 (11.bc5 bc5 12.0-0 Qc7+=) 11...ba5 (11...Ra5 12.Qb3+=) 12.Qc2 Qc7 13.0-0 Bb7 14.Rfc1 Rfb8 15.cd5 ed5 16.Ne1 (16.Nb3!?+/–) 16...Bc6 17.Bf3 (17.Nef3 Bb7=) 17...Ra7 (17...Rb5 18.d4 Rab8 19.Nd3=) 18.d4 (18.Bc3 Rab7+=) 18...c4-/+ 19.Bc3 (19.Ba1 Bf8 20.Rb8 Nb8 21.Nc4 dc4=) 19...Nb6 20.Rb2 (20.g3 Bf8 21.Qa2 Raa8-/+) 20...Ba4 (20...Re8 21.g3-/+) 21.Qb1 Nbd7 22.Rb8+= Qb8 23.Qa1 Qd6+= 24.g4 g5 25.Nf1 Bf8 26.Bb2 Nb6 27.Ng3-/+ Bd7 28.h3 Na4 29.Nc2 Rb7–+ 30.Bc3 Rb3 31.Ba5+= Qb8 32.Bb4 Bd6 33.Nf1 c3?? 34.Bd6+/– Qd6 35.Nb4 Bb5 36.Bd1 Rb2?? 37.Ba4+– Ba4 38.Rc3 Re2?? 39.Rc8 Kg7 40.Ng3 Rd2 41.Nf5 (41.Nf5 Kg6 42.Nd6 Rd1 43.Qd1 Bd1 44.Nc6+–) 1–0. Campos,Jose Felix (2200) – Berlinka,Marcos (2015), Metropolitano Superior op, 2002.

7.Nbd2 Qe7 8.Qb3+=.

6.d4 c6

6.d4 d5

7.c5 b6 8.Nbd2 Bb7 (8...bc5 9.dc5 Qe7 10.Rc1+=) 9.Bd3 a6 (9...bc5 10.dc5 Qe7 11.Rc1+=) 10.0-0+= bc5 11.bc5 Nc6 12.Qe2 (12.Qa4 Qd7+=) 12...Nb4= 13.Bb1 a5 14.Rc1 Ba6 15.Qd1 Bd3 (15...Rb8 16.Qa4=) 16.a3+/– Bb1 17.ab4 Bd3 18.Ra5 c6 (18...Ra5 19.ba5 Qa8 20.Ne5+/–) 19.Rca1 Ra5 20.ba5 Qa8 21.Ne5 Bb5 22.f3 Qb7 23.Bc3 Ra8 24.e4 Nd7 25.f4 Ne5 26.fe5+– Qe7 27.ed5 ed5+/– 28.Nf3 f6 29.ef6 Bf6 30.Qe1+/– Be2 31.Ra2 Bc4 32.Qe7 Be7 33.Ra1 Bd8 34.Ne5 Bb5 35.Nd7 Ba6 36.Re1 Bc7 37.Re6 Bc8? 38.Rc6 Ba5 39.Rc8! Rc8 40.Ba5 Rc6 41.Ne5 Ra6 42.Bd2 Ra1 43.Kf2 Ra4 44.Be3 Ra2 45.Kf3 Kg7 46.Nd3 Ra3 47.Nf4 Kf6 48.Nd5 Ke6 49.Nb4 h5 50.d5 Ke5 51.d6 Rb3 52.d7 1–0. epiglotis (2700) – rsilva (1965), net–chess.com, 2002. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4)

7.c5 b6 8.Bd3 c6=.

7.Nbd2 Nbd7 8.Be2 b6 9.c5 c6 10.0-0 bc5 11.bc5 Ne8 12.Bc3 a5 13.Qc2 e5 14.Qa4 (14.Ne5!? Ne5 15.de5+/–) 14...e4+= 15.Ne1 Nc5 16.Qc6 (worse is 16.dc5 Bc3 17.Rd1 Qc7-/+) 16...Ba6 17.Ba6 (worse is 17.dc5 Be2 18.Rc1 Rc8–+) 17...Na6 18.Nb3 a4 19.Nc5 (better is 19.Ba5!? Qc8 20.Qa4+=) 19...Nc5+= 20.Qc5 Rc8 (20...Nf6 21.Qa3+=) 21.Qa3= Nd6 22.Bb4 Nc4 23.Qa4 Re8 24.Nc2 f5 25.g3 (25.Qb3 Re6+=) 25...Rb8 26.Rab1 Ra8 27.Qb3 Qd7 28.Na3 Ra3 29.Ba3 Nd2 30.Qb5 Qb5 31.Rb5 Nf1 32.Kf1 Ra8 33.Bb4 Ra2 34.Rd5 Ra8 35.Rd7 Bf8 36.Bf8 Rf8 37.f3! ef3 38.Kf2 h6 39.Kf3 Re8 40.h3 Kh8 41.g4 fg4 42.hg4 Kg8 43.e4 Rf8 44.Kg3 Rf1 45.e5 Rg1 46.Kf3 Rf1 47.Ke4 Rg1 48.e6 Rg4 49.Kf3 Rg1 50.Rd8 Kg7 51.e7 Rf1 52.Ke2 Rf6 53.e8Q Re6 54.Qe6 Kh7 55.Qg8 (55.Qd7) 1–0. Piljugin,A – Iljin,Artem, RUS–ch U16 Kazan, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 e6 6.d4 d5)

6.Be2 b6

7.0-0 Bb7 8.b5 c5 (8...a6 9.d4=) 9.d3 d5 10.Nbd2 Nbd7 11.Qb3 Nh5 (11...Re8 12.Rfd1=) 12.Bg7+= Ng7 13.a4 Rb8 (13...a6 14.Rfd1+=) 14.e4 (14.a5 a6+/–) 14...d4 15.a5 e5 16.Qb1 (16.a6 Bc8=) 16...f5 17.ef5 Nf5 18.a6 Ba8 19.Ra2 Nd6 20.Bd1 Re8 Black prepares e4 (20...Qf6 21.Ne1+=) 21.Bb3 e4 (21...Qf6 22.Re1+=) 22.de4 (22.Nd4!? cd4 23.c5 Nf7 24.c6=) 22...Ne4+= 23.Re1? (better is 23.Qd3!?+=) 23...Nc3–+ (23...Nc3 24.Qc2 Na2 25.Ba2 Re1 26.Ne1 Qe7–+) 0–1. DEFFM – GuestGTVV, freechess.org, 2017.

7.Qc2 Bb7 8.d3 c5 9.b5 d5 10.Nbd2 dc4 11.Nc4 Nbd7 12.Nd6 Rb8 (12...Bd5 13.e4 Qc7 14.Nc4=) 13.Nb7+= Rb7 14.0-0 e5 (better is 14...Nd5!?+=) 15.Ne5+/– Ne5 16.Be5 Re7 17.Qb2 (17.d4 cd4 18.Bd4 Rc7+–) 17...Nh5 (better is 17...Re5!? 18.Qe5 Nd5+=) 18.Bg7+– Ng7 19.a4 Ne6 20.Rfd1 Nc7 21.Bf3 a6 (21...Rd7 22.Qc3+–) 22.Bc6 (22.ba6 Na6 23.d4 cd4 24.Rd4 Qc7+–) 22...ab5 23.ab5 Nd5 (23...Qd6 24.d4+–) 24.Ra8 (24.d4 c4+–) 24...Qa8 25.Ba8 Ra8 26.e4 (26.Ra1 Ree8+–) 26...Nb4 (26...Nf4 27.Kf1 Ne6 28.Qf6+–) 27.Qf6 (better is 27.f3!?+–) 27...Re6+/– 28.Qf4 (better is 28.Qc3 Rd8 29.Kf1+/–) 28...Rd8? (28...Nd3 29.Qe3 Rd6 30.f3+/–) 29.Qc7 (29.d4 Red6 30.d5 Nc2+–) 29...Rdd6? (29...Rd4 30.Ra1 Nd3 31.Ra7+/–) 30.f3?? (better is 30.d4!? Kg7+–) 30...Nc2 (30...Nd3!? 31.Ra1 Kg7+/–) 31.Kf2+– Nd4 32.Ra1 Nb5 33.Ra8 Kg7 34.Qc8 Rd3 (34...g5+–) 35.Qf8 (35.Qh8 Kh6 36.Qf8 Kg5 37.Qf7 Rd2 38.Kg3 Re4 39.f4 Kh6 40.Rh8 Rd3 41.Kg4 Rg3 42.hg3 Rf4 43.Qf4 g5 44.Qg5) 35...Kf6 36.Qh8 Kg5 37.Qh7 (better is 37.h4 Kh4 38.Qh7 Kg5 39.Qf7+–) 37...Nd4 (37...Nd6 38.g3 Ne4 39.fe4 Re4 40.Qf7 c4+–) 38.h4 Kf4 39.Qf7 Ke5 40.Qc7 Rd6 41.Re8 Ne6 42.Re7 (42.Qg7! Kf4 43.g3) 42...Kd4 (42...Rd2 43.Kg3 Kf6 44.Rf7 Ke5+–) 43.Qa7 (43.Qa7 Nf4 44.Qa1 Rc3 45.Kg3 Ne2 46.Kg4+–) 1–0. GuestZQHY – GuestFKSP, freechess.org, 2017.

7.d4 Bb7 8.Nbd2 d5 9.0-0 Ne4 (9...Nbd7 10.Rc1+=) 10.Ne4 de4 11.Nd2 Nc6 12.b5 Nb4? (12...Ne7 13.Qc2+/–) 13.Qb3 (13.Ba3!? a5 14.ba6 Na6 15.Bf8 Kf8+–) 13...Nd3 (13...c5 14.Rab1+/–) 14.Bd3 (14.Ba3 Re8 15.Ne4 Be4 16.Bd3 Bd3 17.Qd3 a6+/–) 14...ed3 15.Qd3 c5 16.Qe2 (16.bc6!? Bc6 17.Rab1+/–) 16...cd4= 17.ed4 Bd4 18.Bd4 Qd4 19.Nb3 Qf4 20.Rad1 Qg5 (20...Rfd8 21.Rfe1=) 21.f3 (21.f4 Qe7+=) 21...Rfd8= 22.Rd3 Rd3 23.Qd3 a5 (23...Rd8 24.Qe2=) 24.Rd1 (24.Qd7 Rb8+=) 24...Qf4 (24...a4 25.Nc1=) 25.Qd7 (25.Qd4!? Qd4 26.Rd4+= (worse is 26.Nd4 Rd8 27.Rd2 a4+=)) 25...Qe3= 26.Kf1 Bf3 27.gf3 Qf3 28.Kg1 Qe3 29.Kg2 Qe2 30.Kg3 Qa2 (30...Qe3 31.Kg2 Qe2 32.Kh1 Qf3 33.Kg1 Qe3 34.Kg2=) 31.Rd3 (31.Nd2 Qa3 32.Nf3 Qc5+=) 31...Qb1 32.Qd4 (32.Kf2 e5=) 32...a4 33.Nd2 Qe1 34.Kh3 (34.Kg2 a3 35.Nb3 a2-/+) 34...a3 35.Nf3?? (better is 35.Qf6+=) 35...Qf1–+ 36.Kg3 a2 37.Rd1 a1Q (37...Qd1! 38.Qd1 a1Q 39.Qd6–+) 38.Ra1 Qa1 39.Qa1 (39.Qb6 Ra3 40.Qd8 Kg7 41.Qd2–+) 39...Ra1 40.Kf4 (40.Ne5 Ra7 41.Kf3 f6–+) 40...Rc1 41.Ne5 f6 42.Nd7 Rc4 43.Ke3 Rb4 (43...Kg7 44.Nb6 Rb4 45.Kf3–+) 44.Nf6 Kf7 (44...Kh8 45.Nd7 Rb5 46.Ke4–+) 45.Nd7 (45.Nh7 Rb5 46.h4 Rb4 47.Ng5 Kf6 48.Ne4 Re4 49.Ke4 e5–+) 45...Rb5 46.Kd4 (46.Ke4–+) 46...Rd5 (46...Rd5 47.Kc3 Rd7–+) 0–1. GuestTKGK – GuestDKWN, freechess.org, 2017.

6.Be2 c6

7.0-0 a6 8.Nc3 (8.d4 d5+=) 8...b5 9.c5 (9.d3 d6+=) 9...a5 10.a3 ab4 (10...d5 11.d4+=) 11.ab4 Ra1 (11...Na6 12.d4+=) 12.Qa1+/– Qc7? (better is 12...Ne8+/–) 13.Nb5+– Qd8? (13...cb5 14.Bf6 Bf6 15.Qf6 d5+–) 14.Nd6 Na6 (14...Qe7 15.Bf6 Qf6 16.d4+–) 15.Nc8 (15.Ba6 Ba6 16.Qa6 Ne8 17.Bg7 Kg7+–) 15...Nb4 16.Nd6 Qa8 (16...Nbd5+–) 17.Bf6 Qa1 18.Ba1 Ba1 (18...Ra8 19.Bg7 Kg7 20.Ne5+–) 19.Ra1 Nd5 1–0. DEFFM – GuestXKZGngbhtv, freechess.org, 2018.

7.0-0 d5 8.Qc2 b6 (8...dc4 9.Qc4 a5 10.ba5 Qa5 11.Qc2=) 9.b5 (9.d4 a5+=) 9...cb5 (9...dc4 10.bc6 Nc6 11.Qc4=) 10.cb5+= Bb7 (10...a6 11.Nc3+=) 11.d4 (11.Rc1 a6+=) 11...Nbd7 (11...Qd7 12.Nc3+=) 12.Nc3 (12.Rc1 a6+=) 12...Rc8 (12...a6 13.Ba3 Re8 14.Bd6+=) 13.Qa4+/– Ra8 14.Ba3 Re8 15.Rfd1 (15.Rfc1 a6+=) 15...Ne4 (15...a6 16.Rac1+=) 16.Ne4+/– de4 17.Nd2 Bd5 18.Rac1 Nf6 19.Nc4 Bc4 20.Rc4 Nd5 (20...Qd7+/–) 21.Bb2 (21.Rc6 Qg5+/–) 21...Bh6 (21...a6!?+=) 22.Rc6+/– Ne7 (22...Qg5 23.Bc4+/–) 23.d5 Nc6 24.de6 Qe7 (better is 24...Na5 25.Rd8 Rad8 26.ef7 Kf7+–) 25.ef7+– Qf7 26.bc6 Bg7 (26...Kf8 27.Ba3 Kg8+–) 27.Bc4 Bb2 28.Bf7 Kf7 29.Qb3 Kg7 30.Rd7 Kh6 31.Qb2 (31.Qf7 Re7 32.Qe7 Kh5 33.g4 Kg4 34.Qe4 Kh5 35.Rh7 Kg5 36.Qf4) 31...Rec8 (31...Rg8 32.Qf6 Kh5 33.Rh7 Kg4 34.h3) 32.Qf6 a5 (32...Kh5 33.Rh7 Kg4 34.Qg6) 33.Qh4 1–0. DEFFM – GuestXKZGngbhtv, freechess.org, 2018.

7.0-0 d6 8.d4 Bd7 (8...c5 9.a3+=) 9.Nc3 b6 (9...c5 10.dc5 dc5 11.bc5+=) 10.a4 (10.Qd3 a5 11.a3 ab4 12.ab4 Na6+=) 10...Na6 (10...c5 11.dc5 dc5 12.b5+=) 11.Ba3 (better is 11.b5 Nc7 12.e4+/–) 11...Rb8? (better is 11...c5 12.b5 Nb8+=) 12.b5+– cb5 (12...Nc7 13.Bd6 Re8 14.Ne5+–) 13.ab5 (13.Bd6?! bc4 14.Bb8 Nb8 15.Bc4 Qc7+–; 13.cb5?! Rc8 14.Qd3 Nc7 15.Bd6 Re8+–) 13...Nc7 (13...Nc5 14.dc5 dc5 15.Bb2+–) 14.Bd6 Re8 (14...Ra8 15.Ne5 a5 16.Bf3+–) 15.Ra7 Na8 (15...Rc8 16.Ne5+–) 16.Bb8 (16.Ne5 Rc8+–) 16...Qb8 17.Qa4 Nd5 (17...Nc7+–) 18.cd5 ed5 (18...Rd8 19.d6!+–) 19.Rd7 Nc7 20.Nd5 Nd5 21.Qb3 Qb7 22.Rb7 Ne7 23.Bc4 (23.Bc4 Nd5 24.Bd5+–) 1–0. DEFFM – GuestJHNF, freechess.org, 2018.

7.b5 d5 8.a4 (8.Nc3 a6=) 8...a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 dc4 12.Bc4 cb5 13.Nb5 Bd7 14.0-0 Ne8 15.Ne5 (15.Rc1!?+/–) 15...Bb5+= 16.Bb5 Be5 17.Be5 Nc7 (better is 17...Qd5+/–) 18.Bg7?? (better is 18.Ba4 b5 19.Bc7 Qc7 20.Bb5+/–) 18...Nb5-/+ 19.Bh6 f6 20.Rb1 Rf7 (better is 20...Nd6!? 21.Bf8 Kf8-/+) 21.Rb5= Qd2 22.h3 Qd6 23.Qa8 Rc7?? (better is 23...Qc7=) 24.Qb8+– Kf7 25.Bf4 (25.Bf4 Rc1 26.Kh2 Qb8 27.Bb8+–) 1–0. GuestJYXC – Leadzep, freechess.org, 2017.

7.Nc3 Qe7 8.b5 d6+=.

6.Be2 d5

7.0-0 b6 8.Nc3 (8.d4 dc4 9.Bc4 Bb7+=) 8...c5 9.b5 (9.bc5 bc5 10.cd5 ed5+=) 9...Re8 (9...a6 10.d4=) 10.Ne5 (10.d4 Nbd7+=) 10...Nbd7 (10...Qd6 11.f4=) 11.d4 (11.Nc6 Qc7 12.Bf3 a6 13.cd5 ed5 14.Nd5 Nd5 15.Bg7 Ne3 16.fe3 Kg7+=) 11...Ne5 (11...Bb7 12.f4=) 12.de5+= Nd7 (12...Ne4 13.Ne4 de4 14.f4+=) 13.cd5 (13.f4 dc4 14.Bf3 Rb8+=) 13...Ne5 14.Rb1 (14.f4!? Nd7 15.Bf3 ed5 16.Bd5+=) 14...ed5= 15.Qd5 (15.Nd5 Be6 16.Be5 Be5=) 15...Qd5 (15...Be6 16.Qb7=+) 16.Nd5= Bb7? (better is 16...Bf5 17.Nc7 Bb1 18.Rb1 Rad8 19.Ne8 Re8+=) 17.Nc7+/– Rac8 18.Ne8+– Re8 19.f4 Nd7+/– 20.Bf3 Bf3 21.Rf3 Nf6 22.f5 Ne4+/– 23.fg6 hg6 24.Bc1 Nc3 25.Rb2+= Nd1 26.Rb3 Nc3 27.Bb2+/– Ne4 28.Rf4 Nd2? 29.Rd3 Bh6?? 30.Rd2 Bf4 31.ef4 Rc8 32.g4 c4 33.Rc2 f5 34.gf5 gf5 35.h4 Kh7 36.Bc3 Kh6 37.Kh2 Kh5 38.Be5 Rd8? 39.Rc4 Rd3 40.Kg2 Kh4 41.Bf6 Kg4 42.Be5 Rd2?? 43.Kf1+– Kf3?! 44.Rc3 Ke4 45.Bb8 Ra2 46.Rc4 Kf3 47.Be5 Rd2 48.Rc3 Ke4 49.Bd4?? Rd4–+ 50.Kf2 Kf4 51.Rf3 Ke5 52.Re3 Kf6 53.Ra3 Rb4 54.Ra7 Rb5 55.Ke3 Ke5 56.Re7 Kf6?? 57.Rb7?? Rb3–+ 58.Kd4 f4 59.Ke4 f3 60.Rc7 b5 61.Rc6 Ke7 62.Rc2 Ra3 63.Rb2 Kf6?? 64.Rb5= f2 65.Rb1 Kg5 66.Kd4?? Rf3 67.Rf1 Kg4 68.Ke4 Kg3 69.Rf2 Rf2 (70.Ke5 Re2 71.Kd4 Kf4–+) 0–1. Popkirov,Stojan – Terwitte,Christoph Benedict, Schleswig Holstein–ch U11, 1997.

7.0-0 dc4 8.Bc4 a6 9.Nc3 (9.d4 Qd6+=) 9...b5 10.Bb3 Bb7 11.d4 Qd6 (11...a5 12.ba5 (worse is 12.Nb5 ab4 13.d5 Bd5-/+) 12...Ra5 13.a3=) 12.a3 Ng4 (12...Rd8 13.Rc1+=) 13.g3 (13.e4 Rd8+=) 13...Nd7 14.Ng5 Ndf6 (14...Ngf6 15.Qc2=) 15.e4 e5 16.h3 (better is 16.d5!?+=) 16...ed4+= 17.Ne2 Qe5?? The pressure on e4 grows (better is 17...Ne5 18.f4 Nc4 19.Bc4 bc4 20.Qd4 Qd4 21.Bd4 Ne4 22.Ne4 Be4 23.Bg7 Kg7+=) 18.Nf7 Rf7 19.Bf7 Kf7 20.hg4 (better is 20.Bd4!? Qe4 21.f3+/–) 20...Qe4= (20...Ng4? 21.Qd4 (21.Nd4?! Qe4 22.Nf3 Bh6 23.Qd7 Kf8=) 21...Qd4 22.Bd4 (22.Nd4?! Ne5+/–) 22...Bd4 23.Nd4+–) 21.f3 Qe3 22.Kg2 (better is 22.Rf2!? d3 23.Nf4+=) 22...Ng4-/+ 23.Nf4 Re8 24.Re1?? (better is 24.Bc1 g5 25.Qc2–+) 24...Qf2 25.Kh3 Qh2 (25...Qb2 26.fg4 Bh6 27.Re8 Ke8 28.Qe1 Kd8 29.Rb1=) 26.Kg4 h5 (26...h5 27.Nh5 Qh5 28.Kf4 Qf5; 26...Qb2 27.Re8 Ke8 28.Qe1 Kd8 29.Ne6 Kc8 30.Ng7+–) 0–1. zabazaba (1680) – bonustrick (1720), gameknot.com, 2014.

7.0-0 c6 8.Nc3 Ne4 (8...dc4!? 9.Bc4 b5=) 9.d4+= Nd6 10.c5 Nf5 11.b5 (11.a4 Nd7+=) 11...b6 (11...cb5 12.Nb5 Bd7 13.a4+=) 12.Ba3 Re8 13.Qb3 (13.Rc1 bc5 14.Bc5 Nd7+=) 13...e5 (13...bc5 14.Bc5 Nd7 15.Bb4 cb5 16.Nb5+=) 14.de5+/– Be5 15.Ne5 (15.Rfd1 Qf6 16.Ne5 Qe5 17.cb6 ab6+/–) 15...Re5 16.Rad1 Be6 (16...d4 17.e4 Be6 18.Qa4+/–) 17.Qa4 (17.e4 d4 18.Qa4 Bd7 19.ef5 dc3+/–) 17...Bd7 (17...Nd7 18.e4 (18.bc6?! Nc5 19.Qf4 f6+/–) 18...cb5 19.Bb5 Nc5 20.Bc5 bc5 21.f4 Re4 22.Ne4+–) 18.cb6 cb5?? (better is 18...Qb6 19.Qf4 f6+–) 19.b7+– (19.Nb5?! Qb6 20.Qb3 Bb5 21.Bb5 d4+/–) 19...Nc6 (19...ba4 20.ba8Q (20.ba8R?! Bc6 21.Nd5 Rd5 22.Rd5 Qd5 23.Rb8 Kg7+/–) 20...Bc6 21.Qa7+–) 20.ba8Q Qa8 21.Bb5 a6 22.Nd5 Ne3 (22...Re6 23.e4 Qb8 24.Bc6 Bc6 25.Qa5+–) 23.fe3 (23.fe3 Re6 24.Qf4+–) 1–0. DEFFM – GuestTCQR, freechess.org, 2018.

7.0-0 Qe7 8.b5 c5 9.bc6 bc6 10.d4+=.

7.b5 dc4 8.a4 c6 (8...Nbd7 9.0-0=) 9.Bc4 cb5 (9...Nbd7 10.Nc3=) 10.ab5+= a6 (10...Nbd7 11.0-0+=) 11.Nc3 Nbd7 12.0-0 Nb6 13.Be2 Nfd5 14.d4 (14.ba6 ba6 15.Qc2 Nb4+=) 14...Bd7 15.ba6 ba6 16.Ra6 (16.Qd2 Qc7+–) 16...Ra6 17.Ba6 Nc8 (17...Nc3!? 18.Bc3 Nd5+–) 18.Ne5 Nc3 19.Bc3 Be8 1–0. GuestCMGY – GuestGTMT, freechess.org, 2019.

5.e3 Re8

6.d4 a5 7.b5 d6 8.Be2 Nbd7 9.0-0 c5 10.Nc3 Nb6 11.dc5 dc5 12.Qc1 Qc7 13.Rd1 Be6 14.Nb1 Rad8 15.Nbd2 Bg4 16.Be5 Qc8=.

6.d4 d5 7.Be2 Be6 8.Nbd2 a6 9.c5 Bf5 10.0-0 Nc6 11.Bc3 Na7 12.a4 Nc6 13.b5 Nb8 14.Qb3 Nbd7 15.Rfc1 Ra7 16.ba6 ba6+=.

6.d4 d6

7.Bd3 e5 8.de5 de5 9.e4 Qe7 10.b5 Rd8 11.Qc2 Bg4 12.Be2 Nh5 13.Nc3 Nf4 14.Nd5 Nd5 15.cd5 c6 16.bc6 bc6=.

7.Be2 c5 8.bc5 dc5 9.0-0 cd4 10.ed4 Bf5 11.Nc3 Nc6 12.d5 Na5 13.Nb5 Bd7 14.Nbd4 Rc8 15.Rc1 e6 16.de6 Be6=.

6.Be2 d5

7.0-0 a6 8.Qb3 Be6 9.Na3 Nc6 10.Rac1 a5 (10...Qd6 11.c5 Qd7 12.Ne5 Ne5 13.Be5=) 11.b5+= Nb4 12.Ng5 Bf5 13.cd5 h6 (13...Nbd5 14.Bf3 a4 15.Qc4=) 14.Nf3+= Be4 (14...Qd5? 15.Bc4 (15.Rc7 Qb3 16.ab3 Nfd5 17.Bg7 Nc7 18.Bh6 Bd3 19.Bd3 Nd3+=) 15...Qd7 16.Bf7 Kh7 17.Be8 Re8 18.Ne5 Qd2 19.Nac4+– (19.Rc7?! a4 20.Nac4 ab3 21.Nd2 ba2+–); worse is 14...Nbd5 15.Be5+=) 15.Nc4 Qd5 16.d4 Qf5 (worse is 16...Qb5 17.a3+/–) 17.Ne1 Bb1 18.a3 Na2? (better is 18...Ba2 19.Qd1 Bc4 20.Bc4 Nbd5+/–) 19.Rb1!+– Qb1 20.Ne5 Nc1 21.Qf7 Kh7 (21...Kh8 22.Bc1 Qc1 23.Qg6+– (23.Ng6?! Kh7+–)) 22.Bc1 Qc1 23.Qg6 Kg8 24.Qf7 Kh8 25.Ng6 (25.Qa2!? Nd5 26.Qd5 e6+–) 25...Kh7 26.Bd3 (worse is 26.Ne7 Re7 27.Qe7 Re8+–) 26...Qa3 27.Ne5 Kh8 28.N1f3 Nh7 (28...Qc3 29.Nh4 Qd3 30.Nd3 Ne4+–) 29.Ng6# 1–0. Kovacevic – Marjanovic, ch YU Zagreb, 1977.

7.0-0 Nbd7 8.Qb3=.

7.0-0 Nbd7 8.cd5 Nb6 9.Be5 Nbd7 10.d4 Ne5 11.Ne5 Nd5 12.Qb3 Be6 13.Bc4 c6 14.Nc3 Be5 15.de5 Nc3 16.Qc3 Bc4=.

7.d4 Be6 8.c5 Bf5 9.0-0 a6 10.Nbd2 Nc6 11.Qb3 Qd7 12.a4 Qe6 13.b5 Nd8 14.Ne5 ab5 15.ab5 Ra1 16.Ra1 h6 +/–.

7.cd5 Qd5 8.Nc3 Qd8 (8...Qd6 9.a3=) 9.0-0 e5 10.e4 (10.d4 ed4 11.Nd4 Qe7+=) 10...a6 11.Bc4 b5 (11...Nc6 12.Ng5 Rf8 13.a3=) 12.Bb3 Nc6 13.Re1 (13.Nd5 Be6 14.Nf6 Bf6 15.Be6 Re6=) 13...Nb4 (13...Nd4 14.h3+=) 14.Bf7= Kf7 15.Qb3 Kf8 16.Qb4 Kg8 17.Rad1 Bb7?? (17...Qd6 18.Qd6 cd6 19.Ba3=) 18.d3 (18.Qb3 Kh8 19.Ng5 Re7+/–) 18...Rc8? (better is 18...Qe7!? 19.Qb3 Qf7=) 19.a4 c5 20.Qb3 Kh8 21.ab5 ab5 22.Qb5 Qc7 23.Rc1 Qe7 24.Na4 Bc6 25.Qc4 Ba4+/– 26.Qa4 Nd7 27.Ba3 Nb6? 28.Qa5 Nd7 29.Rc4 Rc6 30.Rec1 Rec8 31.Rb1 Qd6 32.Ne1 Bf8 33.Rb7 R6c7 34.Qa7 Rb7+= 35.Qb7 Rb8 36.Qd5 Rb3 37.Qd6+/– Bd6 38.Bc1 Nb6 39.Rc2 Na4 40.Kf1 Nc3 41.Bb2 Nb5 42.f4 Nd4 43.Bd4 cd4 44.Rc6 Bb8 45.fe5+– Be5 46.Nf3 Bf4 47.Nd4 Rb8 48.g3 Be5 49.Ne6 Kg8 50.Kg2 Rb2 51.Kh3 Rb8 52.d4 Bf6 53.e5 Be5 54.de5 Re8 55.Kg4 Kf7 56.Ng5 Kg8 57.e6 h6 58.Ne4 Kf8 59.h4 Ke7 60.Nc5 Kf6 61.Kf4 g5 62.hg5 hg5 63.Ke4 Re7 64.g4 Re8 65.e7 Kf7 66.Re6 Re7 67.Re7 Ke7 68.Kf5 Kf7 69.Kg5 Kg7 70.Ne6 Kf7 71.Kf5 Kg8 72.Kg6 Kh8 73.g5 Kg8 74.Kh6 Kh8 75.g6 Kg8 76.Kg5 Kh8 77.g7 Kh7 78.Kh5 Kg8+– 79.Kg6 (79.Kg4 Kf7 80.Kf5 Ke8 81.g8Q Kd7 82.Qa8 Kd6 83.Qc8 Ke7 84.Qd8 Kf7 85.Qf8#) ½–½. tightfist (2205) – kiloracer (2200), net–chess.com, 2007.

6.Be2 d6

7.0-0 e5 (-->1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.0-0 Re8).

7.d3 e5 8.Nbd2 Nbd7 9.0-0 b6 10.a4 a5 11.ba5 Ra5 12.Nb3 Ra8 13.a5 Bb7 14.ab6 cb6 15.d4 Ne4 16.Nfd2 Qg5 17.Bf3 Nd2 18.Nd2 e4 19.Ra8 Ba8 20.Be2 f5 21.Qa4 Qd8 22.Ra1 Qc7 23.Qb3 Bc6 24.Nb1 Ra8 25.Ra8 Ba8 26.Nc3 Bc6 27.Ba3 Kh8 28.g3 Nf6 29.h3 h5 30.h4 Bf8 31.Bd1 Kg7 32.Ne2 Be8 33.Nf4 Bf7 34.Be2 Be7 35.Bb2 Kf8 36.Qa4 Qb7 37.Bd1 Nd7 38.Bb3 Nb8 39.c5 bc5 40.Bf7 Kf7 41.Qa2 c4 42.Qc4 d5 43.Nd5 Qc6 44.Qb3 Qe6 45.Qb5 Qc6 46.Qa5 Bd6 47.Nc3 Qc4 48.Qa7 Ke8 49.Ba3 Ba3 50.Qb8 Kf7 51.Qb7 Kg8 52.Nd5 Bd6 53.Ne7 Be7 54.Qe7 Qc1 55.Kg2 Qd1 56.Qf6 1–0. Anastasian – Daniliuk, St Petersburg 1993.

7.d4 c5 8.bc5 dc5 9.0-0 cd4 10.ed4 Bf5 11.Re1 e6 12.Nh4 Be4 13.Nd2 Bc6 14.Nhf3 Nbd7 15.Qb3 Qc7 16.Qe3 b6=.

5.g3 a5

6.a3 e5 7.Ne5 Ng4 8.Ng4 Bb2 9.Ra2 Bg7 10.b5 d5 11.Ne3 d4 12.Nc2 Re8 13.Bg2 (13.d3 Bg4=) 13...c6 (13...Bg4 14.f3 d3 15.Ne3 de2 16.Qc2=) 14.a4 Bg4 15.f3 d3 16.Ne3 (worse is 16.fg4 Re2 17.Qe2 de2 18.Ke2 Qd6-/+) 16...Bf5 17.Bf1 Nd7 (17...de2 18.Be2 Bh3 19.Kf2=) 18.Nf5 gf5 19.e3 f4 20.Bd3 Nc5 21.Be2 Qg5? (better is 21...fe3!? 22.de3 Re3 23.Qd8 Rd8=) 22.gf4+/– Qh4 (22...Qg2!? 23.Rf1 Rad8+/–) 23.Kf1+– Qh3 24.Kf2 Bf6 25.Rg1 Kh8+/– 26.Rg2 Rg8 27.Bf1?? Bh4?? 28.Kg1+– Nd3 29.Rg4 Bf2 30.Kh1 Qh5 31.Bd3 f5 32.Bf5! Qf5 33.e4 Qe6 34.d3 Be3 35.f5 Qd6 36.Re2 Bf4 37.c5! Qe5 38.d4 Rgd8 39.Rd2 (39.Rd2 Qc7 40.b6+–) 1–0. Ypma,Peter (2175) – Evengroen,Henk_Jan (1965), Dieren NED, Dutch Open, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5)

6.ba5 Ra5 7.Bg2 d5 8.cd5 Nd5 9.Bg7 Kg7 10.0-0 Nc6 11.Qb3 e5 12.d3 (12.Nc3 Nb6+=) 12...Qe7 13.Nbd2 Nb6 14.Rfc1 Be6 15.Qc2 Rfa8 16.Nb3 Ra3 17.Nfd2 Bd5 18.Nc4 (18.Qb2 Bg2 19.Kg2 Nb4-/+) 18...Bc4 19.dc4 Nb4 20.Qb1 c5 (20...Na2!? 21.Rc2 Nb4–+) 21.Bb7-/+ Qb7 (better is 21...Rb3!? 22.ab3 Qb7 23.Ra8 Na8-/+) 22.Nc5+= Qc6 23.Qb4 Ra2 24.Ra2 Ra2 25.Rb1 (better is 25.e3!?+=) 25...Nc8 (better is 25...Re2 26.Qb5 Qf6+=) 26.Qb5 (26.Qb5 Na7 27.Qb3 Re2 28.Qd3+=) 1–0. Guzewicz,Rafal – Kielbratowski,Maciej (1855), Mistrzostwa Polski Amatorow Poland, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5)

6.ba5 Nc6 7.Bg2-/+.

6.a3 ab4 7.ab4 Ra1

8.Ba1 Na6 9.b5 Nc5 10.Bg2 d6 11.0-0 e5 12.d4 ed4 13.Bd4 Nfe4 14.Bg7 Kg7 15.Nfd2 Nd2 16.Nd2 Re8 17.e3 Qf6 18.Nb3 Nb3 19.Qb3 b6 20.Qa4 Bf5 21.Rd1 Qc3 22.Qa1 Qa1 23.Ra1 Kf6 24.Ra7 Re7 25.Bd5 Bd3 26.f4 Kf5 (26...Re3? 27.Rc7 Re7 28.Rc6+–) 27.Kf2 h5 28.Kf3 Kf6 29.e4 Bf1 30.g4 hg4 31.Kg4 Be2 32.Kg3 Bd1 33.Kf2 Bc2 34.Ke3 Bd1 35.Ra8 Bg4 36.Kd4 Bh3 37.Rh8 Bg4 38.Rg8 Bh3 39.Bc6 Be6 40.h4 Bg4 41.Bd5 Bh5 42.Bc6 Bd1 43.Ba8 Be2 44.Bd5 Bd1 (44...Bh5!?=) 45.Bb7 Be2 46.Bd5 Bd1 (46...Bh5!?=) 47.Rb8 Be2 48.Rb7 Bd1 49.Bc6 Be2 50.Bd5 Bd1 51.e5 de5 52.fe5 Kf5 53.Rb8 Re5 54.Rf8 ½–½. Pokrupa,Marek (2175) – Jaros,Martin (2220), CZE–chT2a, 2007. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1)

8.Ba1 b6 9.Bg2 Bb7 10.0-0 d6 11.d4 Nc6 12.b5 Na5 13.Nbd2 Ne4 14.Qc2 Qa8 15.d5 Nc5 16.Bg7 Kg7 17.Bh3 Bc8 18.Bc8 Qc8 19.Nd4 e5 20.N4b3 Nab3 21.Nb3 Nb3 22.Qb3 Qg4 23.Qa2 Qd4 24.e3 Qd3 25.Rc1 f5 26.Qa7 Rf7 27.Qa1 Kh6 28.Qc3 Qe2 29.Qc2 Qg4 30.Qd1 Qg5 31.Qd2 Rf8 32.Ra1 Qg4 33.Qc1 f4 34.ef4 ef4 35.Kg2 g5 36.f3 Qf5 37.Qc3 fg3 38.hg3 g4 39.Qe3 Kg6 40.fg4 Qg4 41.Rh1 h5 (41...Qc4 42.Qh6 Kf7 43.Qh7 Ke8 44.Re1 Kd8 45.Qe7 Kc8 46.Qf8 Kb7 47.Re8 Qd5 48.Qf3 Qf3 49.Kf3+–) 42.Rh4 Qf5 43.Rf4 Qc2 44.Kh3 Rf4 45.Qf4 Qe2 46.g4 Qd3 47.Kh4 hg4 48.Qg4 Kf6 49.Qe6 Kg7 50.Qe7 Kg6 51.Qe6 Kg7 ½–½. Christen,Pierre (2020) – Karbowiak,Adam (2215), NATO–ch, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1)

8.Ba1 c5 9.Qa4 Qb6 10.b5 d5 11.d3 dc4 12.dc4 Ne4 13.Bg7 Kg7 14.Bg2 Qf6 15.0-0 Qb2 16.Qd1 Nd7 17.Qd3 f5 18.Nfd2 Ne5 19.Qe3 Ng4 20.Qd3 Nd6 21.Qc3 Qc3 22.Nc3 Rd8 23.Nd5 Be6 24.Nb6 Nf7 (24...Nb5!? 25.Nb3 Nd4 26.Nc5 Bc4+=) 25.Nb3= Rd6 26.Na8 b6 27.Nc7 Bc4 28.Ne8 Kf8 29.Nd6 Nd6 30.Rb1 Bb5 31.e3 Ba4 32.Bd5 Nf6 33.Be6 Nfe8 34.Ra1 Bb3 35.Bb3 c4 36.Bc2 Kf7 37.Ra8 b5 38.Rb8 Ke6 39.Kf1 Kd5 40.Ke2 Kc5 41.Kd2 Nf6 42.f3 b4 43.Ba4 Nd5 44.Rh8 b3 45.Rb8 Nb6 46.Bb3 cb3 47.Kc3 Nd5 48.Kb3 Ne3 49.Rh8 h5 50.Rh6 Nf1 51.Rg6 Nh2 52.Re6 (52.f4 Ne4 53.Rh6 Ng3–+) 52...Nf3 53.Re7 Ne4 54.Rh7 Ng3 55.Kc3 Ne5 56.Kd2 Kd4 57.Ke1 Ke3 58.Re7 Kf4 59.Kf2 Ne4 60.Kg2 Ng5 61.Ra7 Kg4 62.Ra5 Ng6 63.Ra8 f4 64.Rg8 Ne7 65.Rg7 Nf5 66.Rg8 Ng3 67.Kh2 h4 68.Kg2 (68.Rh8 f3 69.Rf8 h3–+) 68...N3e4 69.Rg7 (69.Kf1–+) 69...f3 70.Kg1 h3 71.Rg8 f2 72.Kh2 Nd2 (72...Nd2 73.Rg5 Kg5 74.Kh3 f1Q 75.Kh2 Nf3 76.Kg3 Nh4 77.Kh2 Qg2; 72...Nf6 73.Rg5 Kg5 74.Kh3 f1Q 75.Kh2 Ng4 76.Kg3 Qf2 77.Kh3 Qf3) 0–1. Svetac,Nenad (2255) – Ilincic,Zlatko (2410), Beograd SER, City Team Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1)

8.Ba1 c5 9.b5 d5 10.d3 dc4 11.dc4 Qd1 12.Kd1 Bf5 13.Nbd2 Rd8 14.e3? (14.Bg2 Nbd7=) 14...Bg4?? (14...Ne4 15.Bg7 Nf2 16.Ke1 Nh1 17.Bh6=+) 15.Be2?? (better is 15.Ke1=) 15...Ne4–+ 16.Ke1 0–1. gonso (2300) – igorm (2300), net–chess.com, 2003.

8.Ba1 c5 9.bc5 Qa5 10.Bf6 Bf6=.

8.Ba1 c6 9.Nc3+= Qb6 (9...d6 10.Bg2+=) 10.b5 d5 11.bc6 (11.cd5 cb5 12.Qb3 Qa5-/+) 11...bc6 (11...dc4 12.cb7 Ng4 13.e3 Qb7 14.Bc4+=) 12.Bg2= Ba6 (12...Nbd7 13.0-0+=) 13.cd5 (13.Na4 Qd8=) 13...cd5 14.0-0 Nbd7 15.d3 ½–½. Greenfeld,Alon (2550) – Liang,Awonder (2480), TV2 GM Open, 2017.

8.Ba1 Nc6 9.b5 Na5 10.Qa4 b6 11.Bg2 Nb7 12.d4 d5 (12...Nd6 13.0-0= (13.Ne5 Nfe4) 13...Bb7) 13.cd5+= (13.Ne5 dc4) 13...Nd5 (13...Qd5 14.Nc3 Qe6 15.0-0+=) 14.e4 Nf6 15.Nbd2 (15.Nc3 Na5+=) 15...Bd7= 16.0-0 (16.Qb3 Ne8=) 16...Bh6 (16...Nd6 17.e5 Bb5 18.Qd1 Bf1 19.ef6 Bg2 20.fg7=) 17.Bc3 (17.Rb1!?+=) 17...Nd6+= Exerts pressure on the isolated pawn 18.e5 (18.Qc2 Nb5 19.Bb2 c6+=) 18...Nb5 19.ef6 Nc3 20.Qc4 Nb5 21.fe7 Qe7 22.Re1 Qd8 23.Ne4 (23.Nb3 Bg7-/+) 23...Nd6 (23...Bg7 24.Re3-/+) 24.Nd6+= cd6 25.Qb4 (25.Qd5 Qc7+=) 25...Bc6 26.Rb1 (26.h3 Bg7-/+) 26...Qf6 (26...Be4 27.Rb2-/+) 27.Ne1 (27.Qc3 Rc8+=) 27...Bg2 28.Kg2 Rb8 29.Ra1 (29.Nf3 b5-/+) 29...Bg7-/+ 30.Nf3 g5 31.h3 h5 32.Ra5 (32.Rd1 g4 33.hg4 hg4+=) 32...ba5 (32...g4 33.hg4 hg4 34.Nh4 Qd4 35.Qd4 Bd4 36.Ra4-/+) 33.Qb8-/+ Kh7 (better is 33...Bf8!? 34.Qc8 a4–+) 34.Qb5= Kh6 (34...Kg6 35.Qa5 Qf5 36.Qd2=) 35.Qa5 g4 36.hg4 hg4 37.Qd2 (37.Nh4 Qe6=) 37...Kh7 38.Qc2 Qg6 39.Ng5 Kh6 40.Qg6 (40.Ne4 Kh5 41.d5 Be5=) 40...Kg6+= 41.Ne4 Bf8 (41...d5 42.Nc3=) 42.f3= f5 (42...Kf5 43.Kf2=) 43.Nf2 Kg5 44.fg4 (44.d5 gf3 45.Kf3 Bg7=) 44...fg4 45.Ne4 (45.d5 Kf5 46.Nd1 Bh6=) 45...Kf5+= 46.Nc3 Bg7 47.Nb5 Ke6 (47...d5 48.Nd6 Ke6 49.Nb5+=) 48.Kf2= Bh6 (48...d5 49.Ke3 Bh6 50.Kd3=) 49.Nc7 (49.Ke2 d5=) 49...Kf5 50.Ne8 d5 51.Nd6 (51.Ke2 Bg5 52.Kd3 Bd8=) 51...Ke6 52.Ne8 Bd2 (52...Bg5 53.Nc7 Kd6 54.Na6=) 53.Ke2 (53.Nc7 Kd6 54.Ne8 Kc6=) 53...Ba5 (53...Bg5 54.Kd3=) 54.Ng7 (54.Ke3 Kf7 55.Nd6 Kf6=) 54...Kf6 55.Ne8 Kf5 (55...Kf7 56.Nd6 Ke6 57.Ne8=) 56.Nd6 Ke6 (56...Kg6 57.Nb5=) 57.Nb5 (57.Ne8 Kf7 58.Nd6 Kg6=) 57...Kd7 58.Ke3 (58.Na3 Bc7 59.Nc2 Ke6=) 58...Bb4 59.Kd3 Be1 60.Nc3 Ke6 61.Ne2 Kf5 (61...Bf2 62.Nf4 Kd6 63.Nh5=) 62.Nf4 Bg3 63.Nd5 Bf2 64.Ne3 Kf4 65.Ng4 Kg4 ½–½. Tirado Parra,Alberto (1895) – Cabanas Bravo,Juan Andres (2100), Fase Semifinal B, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1)

8.Ba1 Nc6 9.b5 Na5 10.Qa4 b6 11.Bg2 Bb7 12.0-0 Qa8 (12...c5 13.bc6 Bc6 14.Qb4=) 13.d3+= d5 14.Nbd2 dc4 15.dc4 Rd8 16.Bc3 Nd7 17.Bb4 (17.Bg7 Kg7 18.Ra1 Qc8+=) 17...Ne5 (17...c5 18.Ba5 Qa5 19.Qc2=+) 18.Rc1 (18.c5 Nf3 19.Nf3 Bd5=) 18...Bh6 19.Rc2 (19.Ne5 Bg2 20.Rd1 Bg7=) 19...Bd2=+ 20.Rd2 (worse 20.Bd2 Nf3 21.ef3 Bf3 22.Bf3 Qf3-+; 20.Ne5?? Bb4 (20...Bg2?! 21.Bd2 Qe4 22.Ng4-/+) 21.Bb7 Rd1 22.Kg2 Qb7 23.Nf3 Bc5-+) 20...Nf3 (20...Nec4 21.Rd8 Qd8 22.Bc3=+) 21.Bf3= Rd2 22.Bb7 (22.Bd2 Bf3 23.ef3 Qf3 24.Ba5 Qa8=) 22...Qb7 (22...Qd8 23.Bd2 Qd2 24.Bf3=+) 23.Bd2= Qe4 24.Ba5 ba5 25.Qa5 Qc4 26.e3 Qc5 (26...e5 27.h3=) 27.Kg2 (27.e4 Kg7=) 27...h5 (27...e5 28.e4=) 28.Qa8 (28.e4 Kg7=) 28...Kg7 29.Qb7 h4 (29...e5!?=) 30.gh4+= Kf6 31.Qc6 (31.Qf3 Ke6 32.Qg4 Kd6 33.Qf4 Ke6+=) 31...Qc6= 32.bc6 Ke6 33.Kf3 (33.Kg3 Kd5=) 33...Kd6 34.Kg4 Kc6 35.h5 gh5 36.Kh5 Kd5 37.Kg4 c5 38.Kf3 Kc4 (38...e5 39.Ke2 e4 40.Kd2+/-) 39.Ke2 (better 39.h4 Kd5 40.Ke2+=) 39...Kc3?? (better 39...Kb3 40.h4 c4=) 40.h4+- c4 41.h5 Kb2 42.h6 c3 43.h7 c2 44.h8Q Kb1 45.Qb8 Ka2 (45...Ka1 46.Kd2 c1Q 47.Kc1 e5 48.Qb2) 46.Qa7 (46.Kd2 Ka3 47.Kc2 Ka4 48.Kc3 Ka5 49.Kc4 Ka6 50.Kc5 e5 51.Qb6) 46...Kb2 47.Qb6 Kc3 48.Qc5 Kb2 49.Qd4 (49.Qb4 Ka1 50.Kd2 e5 51.Kc2 e4 52.Qa5) 49...Kc1 50.Qc3 (50.Qa1) 50...Kb1 51.Qd3 (51.Kd2 e6 52.Qc2 Ka1 53.Kc3 e5 54.Qb2) 51...Kb2+- 52.Qc3 (better 52.Qd2 Kb3 53.Kd3 Ka4 54.Qc2 Kb5 55.Qc4 Kb6 56.Qf7 e5 57.Qe6 Kc7 58.Qe5 Kd7 59.e4 Kd8 60.Qd6 Ke8 61.Qc7 Kf8 62.f4 Ke8 63.f5 Kf8 64.f6 Ke8 65.Qe7) 52...Kc3-+ 53.Kf3 c1Q 54.e4 Qd1 (54...Qd1 55.Kf4 Qe1 56.Kf3 Kd3 57.Kg2 Ke2 58.Kg3 Qf2 59.Kg4 Qf3 60.Kh4 Qf6 61.Kg4 Qg6 62.Kf4 f6 63.e5 Qg5 64.Ke4 Qe5) 0-1. Nigel_Farage (2520) - Amaoko (2495), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.Ba1 Nc6 9.b5 Na5 10.Qa4 c6 11.d3= (11.Bh3 b6 12.Nc3 Qc7 13.bc6 dc6) 11...b6 12.Nbd2 Bb7 13.Bg2 Qc7.

8.Ba1 d6 9.Bg2 e5 10.0-0 Re8 11.Nc3 Nc6 12.b5 Na5 13.d3 e4 (13...c6 14.Qc2=) 14.Ne1 (14.Ne4 Ne4 15.Bg7 Kg7 16.Qa1 Nf6 17.Qa5 Re2+=) 14...ed3= 15.ed3 (worse 15.Qd3 Nd7-/+) 15...b6 (15...c6 16.Nf3=) 16.Nf3 Bg4 17.Qc2 Nd7 (17...Qd7 18.Ng5+=) 18.h3 Be6 19.Ng5?? (19.Ne4 Ba1 20.Ra1 d5+=) 19...Nc5?? (better 19...Qg5 20.Ne4 Qh5 21.Bg7 Kg7-+) 20.Ne6+= Ne6 21.Nd5 Ba1 (21...Nd4 22.Bd4 Bd4 23.Qd1+=) 22.Ra1+/- f6 (22...Nd4 23.Qb2 Nab3 24.Be4+/-) 23.Qb2 Kg7 24.g4 h6 25.Be4 (25.Qc3 Nc5+/-) 25...Nc5 (25...Ng5!?=) 26.f3+/- Nd7 27.Rf1 g5 (27...Nf8!?+/-) 28.Ne3 Ne5 (28...Kf8!? 29.Nf5+-) 29.Nf5+- Kh8 30.Qd4 (better 30.Nh6 Qe7 31.f4 gf4 32.Nf5+- (worse 32.Rf4 Nd3 33.Bd3 Qe3 34.Rf2 Qh6+-)) 30...Qe7?? (30...Ng6 31.Nh6 Nf4 32.Re1+-) 31.Qd5 (better 31.Ne7 Re7 32.c5 bc5 33.Qc3+-) 31...Qf7 32.Qf7 Nf7 33.Kf2 Ne5 (better 33...Kg8+-) 34.Bd5?? (34.h4 Nb3 35.hg5 fg5+-) 34...Nb3?? (34...Nd3 35.Kg3=) 35.d4?? (better 35.Rd1 Rb8 36.d4+-) 35...Nd3= 36.Kg3 Re2 (better 36...Nf4=) 37.Rb1?? (better 37.h4 Nf4 38.hg5 fg5 39.Rf2+=) 37...Nf4-+ 38.h4 (38.Nh4 Nd4 39.Rd1 Nd5 40.Rd4-+) 38…Rg2 0-1. acquittal_by_fire (2535) - Banelevich (2605), Rated Bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.Ba1 d6 9.Bg2 e5 10.0-0 Bg4 11.h3 Be6 12.d3 h6 13.Nbd2 Nc6 14.Bc3 Nd7 15.e4 Ne7 16.d4 f5 17.ef5 gf5 18.de5 de5 19.Nh4 f4 20.Kh2 c6 21.Bf3 b5 22.Bg4 Bf7 23.cb5 Nd5 24.bc6 Nc3 25.Qc2 e4 26.cd7+/– e3 27.Ne4 Nd5 28.Nf5 ef2 29.Qf2 h5 30.Ng7 hg4 31.Nf5 Bg6 32.hg4 Qd7 33.Qa2 Bf5+/– 34.gf5 Rf5 35.gf4 Rh5 36.Kg1 Kh8 37.Qg2 Rh4 38.Rd1?? Rg4–+ 39.Ng3 Qa7 40.Qf2 Rg3 41.Kf1 Qa6 42.Qe2 Rf3 43.Ke1 Re3 (43...Re3 44.Qe3 Ne3 45.Rd8 Kh7–+) 0–1. Boctor,Wageeh – Strayer,Geofrey (2310), Los Angeles, 1992.

8.Ba1 d5

9.c5 Na6 10.Qb3 c6 11.Bg2= b6 12.d4 (12.Bd4 bc5 13.bc5 Bf5=) 12...Ne4=+ 13.Nc3 (13.0-0!?=+) 13...bc5-/+ 14.bc5 Nac5! 15.dc5 (15.Qa3 Qb6 16.0-0 Qb3-/+) 15...Qa5-+ 16.0-0 Nc3 (16...Bc3 17.Bc3 Nc3 18.Qb6 Ne2 19.Kh1-/+) 17.Bc3-/+ Bc3 18.Rc1 Bf6 19.Qb6 Qa4 20.e3 e5 21.h3 e4 22.Nh2 (22.Nd4 Bd7-/+) 22...h5 (22...Be6 23.Bf1-+) 23.g4 (23.Nf1 Be5-+) 23...Be5 (23...hg4 24.Ng4 Bg4 25.hg4-+) 24.gh5 gh5 25.Nf1 (25.f4 ef3! 26.Nf3 Qa3-+) 25...Be6 (25...Bh3 26.Bh3 Rb8 27.Bd7 Rb6 28.cb6-+) 26.Qb7 Qa8 (26...Re8 27.f4 ef3 28.Bf3 Bh3 29.Bg2 Bg2 30.Qd7-+) 27.Qe7 Qd8 28.Qb7 (28.Qd8 Rd8 29.Rb1 h4-+) 28...Qc7 (28...Kh7 29.Qc6 Rg8 30.Ng3 Bg3 31.fg3 Rg3 32.Kh2-+) 29.Qa6 (29.Qc7 Bc7 30.Ra1 h4-+) 29...Rb8 30.Qe2 Qe7 (30...h4 31.Qh5-+) 31.Qh5-/+ Qf6 32.Nh2 Rb2 33.Ng4 Bg4 34.Qg4 Kh7 (34...Qg6 35.Qd7 Kh7 36.Rf1-/+) 35.Rf1 Qg6 36.Qh4 Kg7 37.Kh1 Rc2 (better 37...Qf6 38.Qg4 Kf8-/+) 38.Rg1+= Bf6 (38...Rc5? 39.Bf1 Bf6 40.Rg6 fg6 41.Qg3+-) 39.Qf4 Bg5 (39...Rc5? 40.Bf1+-) 40.Qg3 Rc3 1-0. Kazan2502 (2100) - Marat67 (2145), Rated Classical game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

9.c5 Na6 10.Qb3 d4 11.Bd4 Bg4 12.Bb2 Be6 13.Qa3 Qd5 14.Bg2 c6 15.0-0 Qc4 16.Bc3 Nd5 17.Qb2 (17.d3!? Qb5 18.Bg7 Kg7 19.Qb2 Kg8 20.Nd4 Qb4 21.Qb4 Ndb4 22.Ne6 fe6 23.Rc1+=) 17...Nc3+= 18.dc3 Nc7 19.Nd4 ½–½. Roig Esteve,Ramon – Mompo Ballester,Vicente A (2210), Burjasot Absoluto op, 1997. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 d5)

9.c5 b6 10.d4 Ne4 11.Nbd2 Nc6 12.Qa4 Bd7 13.b5 Qa8 (13...bc5 14.bc6 Qa8 15.Qa8 Ra8 16.Ne4 Ra1 17.Kd2 Ra2 18.Kc3 cd4 19.Kb3 (worse is 19.Nd4 Bc6 20.Kb3 Bd4 21.Ka2 de4-/+) 19...Bc6 20.Nf6 Bf6 21.Ka2+/–) 14.Qd1 Nb4 15.Nb3?? (better is 15.Bb2–+) 15...Bb5 (15...Qa2 16.Bg2 Nc2 17.Kf1 Qb3 18.Kg1 Bb5 19.cb6 cb6 20.h3–+) 16.cb6 (16.Qb1 Bc4 17.Nfd2 Nd2 18.Kd2–+) 16...cb6 (16...Qa2 17.Bg2 Nc2 18.Kf1 Qb3 19.Qc1 Be2 20.Kg1–+) 17.e3 Bc4 (17...Qa2 18.Be2 Nd3 19.Kf1 Ndf2 20.Qe1 Qb3 21.Bb5 Qb5 22.Kg2 Nh1 23.Kh1–+) 18.Nfd2 (18.Bc4 dc4 19.0-0 cb3 20.Qb3 Nd5–+) 18...Bd3 (18...Bb3 19.Qb3 Qa1 20.Ke2–+) 19.Ne4 Be4 20.Bc3 Qa4 21.f3 Nc2 22.Kd2 Bh6 23.fe4 Ne3 24.Qb1 Nf1 25.Ke1 Ne3 26.Bd2 de4 27.h3 Nf5 28.g4 Bd2 29.Nd2 e3 30.gf5 ed2 31.Ke2 Qd4 0–1. Kalepky,Helmut (2110) – Gutman,Lev (2455), Karl Mala Memorial op, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 d5)

9.c5 c6 ½–½. Pawlowski,Slawomir (2130) – Dudzik,Leszek, Polish TCh – 2ndLeague'06 Poland, 2006.

9.cd5 Nd5 10.Bg7 Kg7 11.Qb3 c6 12.Bg2 Be6 13.Nd4 Bc8 14.0-0 e5 15.Nf3 Qe7 Attacks the isolani on b4 16.Nc3 Nb4 17.Ne5 Qe5 18.Qb4 Na6 19.Qb2 Rd8 20.e3 Be6 21.d4 Qa5 22.Ra1 Qb4 23.Qb4 Nb4 24.Rb1 Nd5 25.Nd5 Bd5 26.Bd5 Rd5 27.Rb7 c5 28.Rb5 Kf6 29.Rc5 Rc5 30.dc5 Ke5 31.Kg2 Kd5 32.Kf3 Kc5 33.Kf4 Kd6?? 34.Kg5 h5 35.Kf6 Kd5 36.f3 h4 37.gh4 Kc4 38.Kf7 Kd3 39.e4 Kd4 40.Kg6 Ke5 41.h5 Kf4 42.h6 Kf3 43.h7 Ke4 44.h8Q (44.h8Q Kd5 45.h4 Ke4 46.h5 Kd5 47.h6 Kc5 48.Qc3 Kb6 49.h7 Ka6 50.h8Q Kb7 51.Qc5 Ka6 52.Qhc8#) 1–0. wictorio (1835) – brandon55 (1835), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

9.cd5 Nd5 10.Bg7 Kg7 11.Qb3 Be6 12.Nd4 Bc8 13.Bg2 c6 14.Nc3 e5 15.Nd5 (15.Bd5? ed4 (15...cd5?! 16.Nf3-/+) 16.Bc4 dc3 17.Qc3 Qf6–+) 15...ed4 16.Nf4 Kg8 17.0-0 g5 18.Nd3 Be6 19.Qb2 Qd6 20.Ra1 Nd7 21.Ra5 h6 22.Ra7 Rb8 23.Bf3 Nf6 24.Nc5 Bc8 25.Qa1 b6 26.Nd3 Be6 27.Ra8 Bd5 28.Rb8 Qb8 29.Qd4 Bf3 30.Qf6 Be2 31.Ne5 Bh5?? 32.Nc6 Qc7?? 33.Ne7 Kh7 34.Kg2 Bg6 35.h3 b5?? 36.Kh2 Qb7?? 37.d4 Qd7 38.Ng6 fg6 39.Qe5 Qa7? 40.Kg2 Qa2?? 41.d5 g4 42.hg4 Qc4 43.d6 Qc6 44.Kh2 Qc2 45.Qf4 Qc6 46.Qf7 Kh8 47.d7 Qd6 48.Qe8 Kg7 49.d8Q Qd8 50.Qd8 Kf7 51.Qb6 g5 52.Qb5 Kg7 53.Qf5 Kg8 54.Qg6 Kf8 55.Qh6 Ke7 56.Qg5 Ke6 57.b5 Kd7 58.Qf6 Kc7 59.g5 Kb7 60.g6 Kc7 61.g7 (61.g7 Kd7 62.g8Q Kc7 63.Qc6#) 1–0. wictorio (1910) – dragage (1895), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

9.cd5 Qd5

10.Nc3 Qc4 11.b5=+ Nbd7 12.Bg2 Nc5 13.d3 Qb4 14.0-0 Nb3 (14...Be6 15.Qb1 Qb1 16.Rb1=+) 15.Qb1= Be6 16.Nd2 Nd7 (16...Ng4 17.Rc1 Bd4 18.e3 Ne3 19.Nb3 Qb3 20.fe3 Be3 21.Kh1 Bc1 22.Qc1=+) 17.Nb3= Bc3 (< 17...Bb3 18.Nd5 Qb5 19.Rc1+–) 18.Rc1 Ba1 (18...Bb3? 19.Rc3 (19.Bc3?! Qb5 20.Qb2 c6+/–) 19...Nc5 20.d4 Qd4 21.Rb3+–) 19.Na1 Qd6 20.Bb7 Rb8 21.Bc6 Ne5 22.Bg2 Bd7 23.Qc2 Rb5 24.Nb3 (24.Qc7?? Qc7 25.Re1 Qc3–+) 24...Qa3 25.Nd2 (25.Rb1 Qa4 26.Qc3 Be6-/+) 25...Rb2=+ 26.Qc7 Rd2 27.Qb8 Be8 28.Re1 Qc5 29.Qe8 Kg7 30.d4 Rd4 31.Qa8 Rd2 32.Qe4 f5 33.Qf4 Rc2 34.h3 ½–½. Ellis,James R (2135) – Lahdenmaeki,Leo (2020), Finland – USA, server, 2009.

10.Nc3 Qh5 11.Qa4 =+.

10.Bg2 Na6 11.Nc3= Qh5 (11...Qd6 12.b5 Nb4 13.0-0=) 12.Qb3 (12.b5 Nc5=) 12...Bh3 13.0-0 (13.Bh3 Qh3 14.Nd5 Nd5 15.Bg7 Rd8+=) 13...Bg2+= 14.Kg2 Rd8 (14...Qg4 15.Rb1=) 15.d4 c6 16.e4 (16.b5 cb5 17.Nb5 e6=) 16...Nc7+= 17.Re1 (17.Rd1 Ne6 18.h3 g5=) 17...Ne6 (17...g5 18.h3+=) 18.Na4 Qb5 (18...g5 19.h3 g4 20.hg4 Ng4 21.Nc5 Nd4 22.Bd4 Bd4 23.Rh1=) 19.Nc3 (19.Nc5 Nc5 20.dc5 Rd3=) 19...Qd3 Will d4 fall? (19...Qa6 20.d5 Nc7 21.dc6 Qc6 22.Ne5=) 20.Rd1 (20.Qa2 Qa6=) 20...Qa6 21.b5 (21.d5 Nc7 22.dc6 Rd1 23.Qd1 bc6=) 21...Qb6 22.Qa3 cb5 (22...g5 23.bc6 g4 24.Nh4 bc6 A) 25.Qe7?! Rd7 (25...Nd4? 26.Na4 Qb8 27.Bd4+–; 25...Rd4?! 26.Rb1 Qd8 27.Nf5=) 26.Qa3 Nd4=; B) 25.Nf5+/–) 23.Qe7+= Re8 (23...b4 24.Rb1 b3 25.Ne5+–) 24.Qb4+/– Nc7 25.d5 (better is 25.Ne5+/–) 25...Bf8? (better is 25...Ng4!? 26.Rf1 Ra8+/–) 26.d6+– Na6? (better is 26...h6+–) 27.Qb2 Nb4 (27...Bg7 28.Nd5 Qd6 29.Nf6 Qf6 30.Qf6 Bf6 31.Bf6 b4+–) 28.Qb4 Ng4 29.Qd4 (29.Qd4 Qd4 30.Rd4+– (worse is 30.Nd4 Bd6 31.h3 Nf6+–)) 1–0. Ng,Gary (2180) – Kavutskiy,K (2345), Calgary Invitational, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 d5 9.cd5 Qd5)

10.Bg2 Qc4 11.Bc3 Ne4 12.Na3 Nc3 13.Nc4 Nd1 14.Kd1 b5 (14...Be6 15.d3-/+) 15.Nce5 (15.Na5!?=+) 15...Bb7-/+ 16.Nd3 Na6 (16...Nd7 17.Nh4 Bg2 18.Ng2-/+) 17.Nfe1 Bg2 18.Ng2 e5 19.e4 Rd8 20.Ke2 Rd4 21.f3 f5 22.ef5 gf5 23.Rc1 e4 24.fe4 Re4 25.Ne3 Bd4 26.Kf3 Be3 27.de3 Kg7 ½–½. Virtanen,A (2335) – Paakkonen,T (2285), TCh–FIN, 2009.

10.Bg2 Nc6 11.Nc3 Qc4 12.b5 Na7 13.Qb1 Qc5 14.0-0 Bd7 15.d4 Qb6 16.Ne5 Bb5 17.Qb4 Qd6 18.Qb3 c6 19.Rc1 Ba6 20.e3 Nb5 21.Na4 Qa3 22.Qa3 Na3 23.Bb2 Nb5= 24.Nc5 Nc7 25.Ba3 Ra8 26.Na6 Ra6 27.Be7 Nfd5 28.Bd8 Ne6 29.Bd5 Nd8 30.Bc4 b5 31.Bf1 Be5 32.de5 Kf8 33.f4 Ke7 34.e4 Ra4 35.Bd3 Rd4 36.Bb1 Rd2 37.h4 c5! 38.f5 c4 39.g4 Nc6 40.e6 Ne5 41.ef7 Kf7 42.Rf1 c3 43.fg6 Kg6 44.h5 Kg7 45.g5 b4 0–1. Krockenberger,M (2215) – Gutman,L (2490), Stuttgarter State Champs A, Ditzingen G, 2009.

10.Bg2 Qd6 11.Qa4 Bd7 12.b5 c6 13.Be5 Qe6?? (better is 13...Qc5 14.Qa3 A) 14...Qb5?! 15.Nc3 Qa6 A1) 16.Qe7? Re8 17.Qb4 Nd5 18.Nd5 cd5–+ (18...Be5?! 19.Ne3-/+; 18...Re5?! 19.Nc3 c5 20.Qb1-/+); A2) 16.Qb2+=; B) 14...Qa3 15.Na3 cb5-/+) 14.Qa7+/– Qb3? (better is 14...cb5 15.Bb8 b4+–) 15.0-0+– cb5 16.Bb8 Bc6 17.Be5 b4?? 18.d3 Qd5 19.Nbd2 Nd7 20.Bg7 Kg7 21.Qd4 e5 22.Qd5 Bd5 23.Rb1 Ra8 24.Rb4 Ra1 25.Rb1 Ra2 26.Kf1 Bc6 27.Ke1 f6 28.Nh4 Nc5 29.Bc6 bc6 30.Nhf3 h5 31.Rc1 Na4 32.Kf1 1–0. wictorio (1900) – myszka27l (1915), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

6.a3 c6

7.ba5 Qa5-/+ 8.Bg2 Qc5 (8...d6 9.0-0-/+) 9.Qb3+= d5 10.cd5 Qd5 11.Qd5 Nd5 12.Bg7 Kg7 13.d3 Na6 14.Nbd2 Rd8 15.0-0 (15.Nb3 Nc3+=) 15...Nc3-/+ 16.Rfe1 Nc7 17.Kf1 N7b5 18.Rec1 Be6 19.Nc4 Ra6 20.Nfd2 Bc4 (20...f6 21.Nb3 Na4 22.f4-/+) 21.Nc4+= Rda8 22.Ke1 Na4 23.Rcb1 (23.Rab1 Rd8+=) 23...Nc5-/+ 24.Rb2 Na3 25.Ra3 Ra3 26.Na3 Ra3 27.d4 Rb3 28.Ra2 Nd7 29.Ra7 (29.Kd2 e5 30.d5 cd5 31.Bd5 Rb5-/+) 29...Nb6 (29...Nf6 30.Bf3-/+) 30.Kd2 (30.Rb7? Rb1 31.Kd2 Nc4 32.Kd3 Rb7 33.Kc4 Rb1–+) 30...Nc8 31.Ra8 Nd6 32.Rb8 (32.Kc2 Rb4 33.e3 Kf6-/+) 32...Rb2 33.Kd3 Ra2 34.h4 h5 35.Bf3 Ra3 36.Kc2 (36.Kd2-/+) 36...f5 (36...Ra1!? 37.Kd2–+) 37.Kd2 (37.Kb2!? Nc4 38.Kc2+=) 37...Kf7 38.Ke1 Ra2 39.Kf1 Ra5 40.Rd8 Ra4 41.e3 Ra1 42.Kg2 Ra2 43.Rb8 Rc2 44.Kg1 Ke6 45.Rg8 b5 46.Rg6 Kd7 47.Rg8 (47.Bh5 b4 48.Rg8 b3–+) 47...b4 48.Rb8 (48.Bh5 b3 49.Rb8 Nb5–+) 48...Nb5 49.Rb7 Kc8 50.Bc6 (50.Re7 b3 51.Re8 Kc7 52.Re7 Kd6–+) 50...Nd6 51.Rb4 Rc6 52.Rb2 Kd7 53.Kg2 Ke6 54.Ra2 Kf6 55.Rb2 Rc1 56.Re2 Rd1 57.Ra2 (57.Kf3 e5 58.de5 Ke5-/+) 57...Ne4–+ 58.Ra6 e6 59.Ra2 Rd2 60.Rd2 Nd2 61.f3 Nc4 62.Kf2 e5 63.de5 (63.Ke2!?-/+) 63...Ne5–+ 64.Ke2 Ke6 65.Kf2 Kd5 66.Kg2? (better is 66.Ke2–+) 66...Kc4 67.g4 (67.e4 fe4 68.fe4 Kd4–+) 67...Ng4 68.Kg3 (68.e4 Kd4 69.ef5 Ne3 70.Kg3–+) 68...Ne3 69.Kf4 Kd3 70.Kg5 Ke2 0–1. Sibashvili,Giorgi (2270) – Petrosian,Davit G (2425), Jermuk ARM, 7th Asrian Memorial, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 c6)

7.Qb3 ab4 8.ab4 Ra1 9.Ba1 Na6 10.b5 Nc7 11.Bg2 cb5 12.cb5 d5 13.0-0 Bg4 14.Rc1 e6 15.Be5 Nfe8 16.Bg7 Kg7 17.d3 Bf3 18.Bf3 Qd7 19.Na3 Kg8 20.e4 de4 21.de4 e5 22.b6 Ne6 23.Bg4 Nd4 24.Bd7 Nb3 25.Rc7 Nd6 26.Nb5 Ne4 27.Rb7 Nec5 28.Rc7 Nd7 29.Rd7 Rb8 30.Nd6 Nc5 31.Rc7 Rb6 32.Nf7 Ne6 33.Ra7 e4 34.Nh6 Kh8 35.Kg2 Rc6 36.h4 Rc7 37.Rc7 Nc7 38.Nf7 Kg7 39.Ng5 Nd5 40.Ne4 Ne7 41.Kf3 Nd5 42.Kg4 Nc7 43.Kf4 Nd5 44.Ke5 Ne7 45.Ke6 Nf5 46.Nd6 Nd4 47.Kd5 Nf3 48.Ne4 h5 49.Ng5 Nh2 50.Ke6 Ng4 51.f3 Ne3 52.Ke5 Nf5 53.Kf4 Kf6 54.Ne4 Kg7 55.Ke5 Ne3 56.Nd6 Nf1 57.Kf4 Nd2 58.g4 hg4 59.fg4 Nb3 60.Nb5 Nc5 61.Nd4 Kf6 62.g5 Kf7 63.Nf3 Nd3 64.Ke3 Nc5 65.Ne5 Kg7 66.Kd4 Ne6 67.Ke4 Nc7 68.Nd3 Nb5 69.Ke5 Nc3 70.Nf4 Nb5 71.Ne6 Kf7 72.Nd4 Nc3 73.Nc6 Ne2 74.Kd6 Ng3 75.Ne5 Kg7 76.Ke6 Ne4 77.Nd7 Nd2+= 78.Ne5 Ne4 79.Ke7 Ng3 80.Nf3 Nf5 81.Ke6 Ne3 82.Ke5 Nc4 83.Kf4 Nb6 84.Ne5 Nd5 85.Kg4 Ne3 86.Kf3 Nf5 87.Kg4 Ne3 88.Kh3 Nf5 89.Nf3 Kf7 90.Kg4 Ne3 91.Kf4 Nd5 92.Ke5 Ne3 93.Kd6 Nf5 94.Kd7 Ne3 95.Ne5 Kg7 96.Ke6 Ng2 97.Nf3 Nf4 98.Kd6 Ng2 99.Ke7 Nf4 100.Nd4 Ng2+= 101.Ne6 Kh7 ½–½. Willim,Michael (2135) – Haag,Wolfgang (2230), Oberliga Bayern, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 c6)

7.Nc3 d5 8.cd5 Nd5+=.

7.Bg2 ab4 8.ab4 Ra1 9.Ba1=.

7.Bg2 d5 8.cd5 cd5 9.0-0 Bf5 10.d3 Nbd7 11.Nbd2 Qb6 12.Qb3 Be6 13.Bd4 Qd6 14.ba5 Ra5 15.Qb7 Nc5 16.Qb4 Rfa8 17.Rfc1 Nfd7 18.Bg7 Kg7 19.Nd4 Ra4 20.Qb2 Rb8 21.Nb5 Qe5 22.Qe5 Ne5 23.Rc5 Nd7 24.Rac1 Nc5 25.Rc5 Ra5 26.Nd4 Rc5 27.Ne6 fe6 28.d4 Rc2 29.Nf3 Rc1 30.Bf1 Rbb1 31.Nd2 Ra1 32.Kg2 Rd1 33.Nb3 Rf1 34.Na1 Ra1 0–1. grajaro (1935) – arayashiki (1855), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

7.Bg2 d6 8.0-0= e5 9.d3 ab4 10.ab4 Ra1 11.Ba1 h6 12.Nbd2 Be6 13.Qc2 Nbd7 14.Bc3 Qb6 15.Ra1 Ng4 16.Ne4 (16.e3!?+=) 16...f5=+ 17.c5 (17.Nd6?? Qf2 18.Kh1 Ne3–+) 17...dc5 18.bc5 Nc5 19.Ba5 Qb3 20.Qc5 fe4 21.de4 Ra8 22.Rc1 Qb2=+ 23.Bd2 Bf8 24.Qc3 Qb6 25.e3 Ra3 26.Qc2 Bd6 27.Rb1 Rb3 28.Rb3 Qb3 29.Qb3 Bb3 30.Bc3 Bd1 31.Nh4 Kf7 32.Bf3 Bf3-/+ 33.Nf3 Ke6 34.Nd2 b5 35.h3 Nf6 36.f3 c5 37.f4 c4 38.Nf3 Ne4 39.Be5 Be5 40.fe5 c3 41.Kf1 Nd2 42.Nd2=+ cd2 43.Ke2 Ke5 44.Kd2 Ke4 45.g4 b4 46.h4 b3 47.g5 h5 48.Kc3 Ke3 49.Kb3 Kf4 50.Kc3 Kg4 51.Kd3 Kh4 52.Ke3 Kg5 53.Kf3 h4 54.Ke3 Kg4 55.Kf2 h3 56.Kg1 Kg3 57.Kh1 g5 58.Kg1 Kf3 59.Kh1 g4 0–1. Fuchs,Jo (1940) – Krulich,R (2185), Open A, Hamburg GER, 2005.

6.a3 d5

7.cd5 ab4 8.ab4 Ra1 9.Ba1 Qd5 10.Bg2 Qc4 11.Be5 (11.Bc3 c6=) 11...Na6 12.0-0 Qb4 13.Nc3 c6 14.Qa1 Nc5 15.Rb1 Qc4 16.d3 Qa6 17.Qb2 Na4 (17...Ncd7 18.Bf6 Bf6 19.d4=+) 18.Na4= Qa4 19.Nd2 Qg4 20.Ne4 Qf5 21.Bf3 Ne8 22.Bg7 Ng7 23.Qb4 Qe5 24.Nc5 Ne6 25.Nb7 Nd4 26.Na5 Nf3 27.ef3 Qd5 28.Kg2 Bf5 29.Rc1 Rc8 30.Qc5 Qc5 31.Rc5 Bd3 32.Rc6 Rb8 33.Rc7 Rb1 34.g4 Bf1 35.Kg3 Re1 36.Nc6+= Kf8 37.g5 Ba6 38.Nb4 Rg1 39.Kf4 Bb5 40.h4 Rh1 41.Nd5 Rh4 42.Ke5 Rc4 43.Rb7= Bc6 44.Rb8 Be8 45.Nb6 Rc7 46.f4 Rc6 47.Nd5 Rc4 48.Nb6 f6!-/+ 49.gf6 ef6 50.Kf6 Rf4 51.Ke6 Kg7 52.Re8 Rf6 53.Ke5 Rb6 54.Re7 Kg8 55.Ra7 Rb5 56.Kf4 Rf5 57.Kg3 Rf7 58.Ra6 Kg7 59.Rb6 g5 60.Rb5 h6 61.Ra5 Rf6 62.Rb5 Kg6 63.Ra5 h5–+ 64.Rb5 h4 65.Kg2 Kh5 66.Ra5 Rf4 67.Rb5 Kg4 68.Ra5 Rc4 69.Ra3 Rf4 70.Rb3?? h3!–+ 71.Kg1 Kh4 72.Ra3 Rg4 73.Kh1 Rg2 74.Rf3 Kg4 75.Rf8=+ Kh5 76.Rh8 Kg6 77.Rf8? Rg4?? 78.Rh8 Rf4-/+ 79.Rh3 Rf2 80.Kg1 Rc2–+ 81.Ra3 Kh5 82.Rh3 Kg4 83.Ra3 Kh4 84.Rb3 g4 85.Ra3 Re2 86.Rb3 g3 87.Rb8 Re1 88.Kg2= Re2 89.Kf1?? Rf2–+ 90.Kg1 Re2 ½–½. Poley,V (2335) – Volodin,Alex (2280), Salongernas IM, Stockholm SWE, 2009.

7.cd5 ab4 8.ab4 Ra1 9.Ba1 Nd5 10.Bg7 Kg7 11.Qb3 f6 (11...Qd6 12.b5-/+) 12.Bg2 (12.Nc3 Nc3 13.dc3 Qd6=) 12...Be6 (12...Qd6 13.Nc3 Nb4 14.0-0+=) 13.Qb2 Qd6 Attacking the isolated pawn on b4 14.b5 c5 (14...Nd7 15.0-0+=) 15.0-0 (15.Ng5 Nd7=) 15...Nd7 16.d4 (16.Nc3 Nc3 17.Qc3 Qb6=) 16...c4 (16...Rc8 17.e4 N5b6 18.e5=) 17.e4 (17.Nfd2 Rc8 18.Nc3 Bf7=) 17...N5b6 18.Nc3 Ra8 (18...Bg4 19.e5 fe5 20.Ne5 Ne5 21.de5=) 19.Re1 (19.Ra1 Ra1 20.Qa1 Qb4=) 19...Qa3 20.Qd2 (20.Qa3 Ra3 21.Rc1 Ra8=) 20...Na4+= 21.Rc1 (21.Nd5 c3 22.Qe3 Bf7+=) 21...Nc3 (21...Ndb6 22.d5 Bg4 23.Nd4-/+) 22.Rc3+= Qb4 23.Qc1 (23.Rc1 Qb5 24.d5 Bf7=) 23...Nb6-/+ (23...Qb5?! 24.d5 Bg4 25.Nd2+=) 24.d5 Bg4 (24...Bd7 25.Bf1-/+) 25.Nd4+= Qc5 26.Nc2 Bd7 27.Na3 (27.Bf1 A) 27...Qb5?! 28.Na3 Qb4 29.Nc4= (29.Bc4?? Nc4 30.Nc4 Rc8–+); B) 27...Bb5 28.Qe3 Rc8+=) 27...Bb5 28.Nb5 (28.Bf1 Ra4-/+) 28...Qb5 29.Bf1 Ra4 30.Kg2 Qc5 31.Qc2 Qd4 (31...Rb4 32.Be2-/+) 32.Be2 Rb4 (32...Kf7 33.Bf3-/+) 33.Kg1 (33.h4 h5-/+) 33...Kf7 (33...h6 34.Kg2-/+) 34.Bf1 (34.Kg2 Kg8-/+) 34...Ke8 35.Be2 (35.h4 Kf7-/+) 35...Kd7 36.Kg2 (36.Bf1 Ra4-/+) 36...Kc7 (36...Kd6 37.h3–+) 37.Bf1 (37.f3 f5-/+) 37...Kd6–+ 38.Be2 (38.Kg1 Kc5 39.Rf3 Rb2–+) 38...Kc5 39.Qc1 (39.Re3 Na4–+) 39...Na4 (39...Qe4 40.Bf3 Qd4 41.Rc2–+) 40.Rc2 c3 (40...Qe4?! 41.Bf3 Qf5 42.d6 Kd6 43.Qd2 Kc5 44.Qd8=) 41.Bf3 (41.f3 g5–+) 41...Kb6 (better is 41...Rb2 42.Rb2 Nb2–+) 42.Re2 (42.Qe1–+) 42...Rb2 43.Qa1 (43.Kg1 Qd3 44.Re3 Qb1–+) 43...Re2 (43...Nc5 44.h4–+) 44.Be2 Qe4 45.Bf3 Qc4 46.Qb1 Ka5 47.Qb7 (47.Qe1–+) 47...c2 48.Qa7 Kb4 49.Qe7 Nc5 50.Qe1 Qc3 51.Qc1 Nd3 (51...Nd3 52.Qh6 Ne1 53.Kf1 Nf3 54.Qf4 Nd4 55.Qb8 Nb5–+) 0–1. Heimann,Mark A (2360) – Barcenilla,Rogelio (2445), SPICE Cup Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 d5)

7.cd5 ab4 8.ab4 Ra1 9.Ba1 Nd5 10.Bg7 Kg7 11.b5+=.

6.a3 d6

7.Bg2 Nc6 8.b5 Na7 9.d3 Bg4 10.a4 Nc8 11.h3 Bf5 (11...Bd7!?+=) 12.Nd4+/- Rb8 13.Qd2 (13.Nf5 gf5 14.Qd2 b6+/-) 13...e5 (better 13...Bd7!?+/-) 14.Nf5+- gf5 15.Qa5 Ne7 16.0-0 Ng6 Black plans f4 17.Qe1 f4 18.Nc3 h5 (18...Qd7 19.a5+-) 19.a5 fg3 20.fg3 h4 21.g4 Nf4 (21...Nd7 22.Bc1+-) 22.Qh4 Ng2 (22...d5 23.g5 Nh7 24.Nd5 Ng5 25.Kh1 Ng2 26.Kg2+-) 23.Kg2 d5 24.g5 Nh7 25.Nd5 Ng5 26.Ba3 Re8 27.Rf5 f6 28.Raf1 Re6 (28...Nh7 29.Rh5 c6 30.Kh2+-) 29.Qg4 c6 (29...Nh7+-) 30.Rg5 fg5 31.Qe6 Kh8 32.Ne7 cb5 33.Qg6 Qe8 (33...Qd6 34.Bd6 bc4 35.Qh5 Bh6 36.Qh6) 34.Rf7 (34.Rf7 Qf7 35.Qf7 Kh7 36.Qg6 Kh8 37.Qh5 Bh6 38.Qh6) 1-0. PEREIRA – Postmortem, internet, 2022.

7.Bg2 e5

8.0-0 c6 9.Nc3 Be6 10.d3 h6 11.c5 dc5 12.bc5 Nfd7 13.Na4 Na6 14.Qc2 Qe7 c5 draws heavy fire 15.Rac1 Rfd8 16.Nb6 Nb6 17.cb6 e4 (17...Rd5 18.Rfd1=) 18.de4+= Bb2 19.Qb2 Nc5 20.Nd4 Na4 21.Qa1 Nb6 22.Ne6 Qe6 23.Qb1 Nc4 24.Qb7 Rdb8 25.Qc7 Rc8 26.Qf4 g5 27.Qf5 Na3 28.Qe6 fe6 29.e5 Attacks the isolani on c6 29...Ra6 30.Rfd1 Nb5 31.Bh3 Re8 32.e3 a4 33.Bf1 a3 34.Rc6 Rc6 35.Bb5 Rcc8 36.Be8 Re8 37.Ra1 Ra8 38.g4 h5 39.h3 Ra4 40.Kf1 Kf7 41.Ke2 hg4 42.hg4 Kg6 43.Kd3 Rg4 44.Ra3 Kf5 45.Ra5 Re4 46.f3 Rb4 47.Rc5 Rb3 48.Rc3 Rb4 49.Rc4 Rb3 50.Kd4 Rb1 51.Kd3 Ke5 52.f4 gf4 53.ef4 ½–½. Cruz,Cristhian (2500) – Arias,Mario (2125), Lima PER, 7th Open, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5)

8.d3 Nc6 9.b5 Ne7 10.Nbd2 Nd7 11.0-0 f5 12.Qc2 Nc5 13.d4 ed4 14.Bd4 Qe8 15.Bg7 Kg7 16.Nb3 Nb3 17.Qb3 Qf7 18.e3 Ng8 19.b6 cb6 20.Rfd1 Qc7 21.Rab1 Nf6 22.Qb6 Qc4 23.Qd6 Ra6 24.Qb8 Nd7 25.Rb7 Rf7 26.Rc7 Nb8 27.Rc4 Be6 28.Rc3 Kf6 29.h4 h6 30.Nd4 Rd6 31.Rb1 Na6 32.Rb5 a4 33.Ra5 Bd7 34.Bc6 (34.Bc6 Nc7 35.Ra4+–) 1–0. Steiner,B (2175) – Froschauer,H (2145), TCh–AUT 2nd Bundesliga Ost, 2009.

8.d3 Nc6 9.b5 Ne7 10.Nbd2 Nh5 11.0-0 e4 12.Bg7 ef3 13.Bf8 fg2 14.Be7? (better is 14.Re1 Qf8 15.e3+=) 14...gf1Q 15.Qf1 Qe7 16.e3 f5 17.Qg2 Rb8 18.b6 c5 19.Qf3 Bd7 20.Qd1 Bc6 21.Nb3 a4 22.Nc1 Rd8 23.Ne2 Bf3 24.Qf1 Nf6 25.Nc3 d5 26.d4 cd4 27.ed4 dc4 28.Qc4 Nd5 29.Na4 Kg7 30.Qb3 Qe2 31.Nc5 Re8 32.Qd3 Qd3 33.Nd3 Nb6 34.Nc5 Kf6 35.a4 Nc4 36.a5 (36.Rc1 Nd2 37.h3 Rd8–+) 36...Na5 37.Nd7 Kg7 38.Ne5 Nb3 39.Rb1 Nd4 40.Nf3 Nf3 41.Kg2 Ne1 42.Kf1 Re7 (better is 42...Nd3 43.Rb7 Kg8 44.Rb1–+) 43.h3? (43.Re1 Re1 44.Ke1–+) 43...Nf3 44.Kg2 Nd2 45.Rb2 Ne4 46.Kf3 Kf6 47.h4 Ke5 48.Ke3 Kd5 49.Kf4 Kc4 50.Re2 b5 51.f3 b4 52.Re1 b3 0–1. Van der Wal,Fritz W – Goldsmith,Alan (2285), Australian op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 d6)

8.d3 Nfd7 9.Nc3=.

8.d3 Nh5 9.Nc3 f5 10.0-0 Nc6 11.b5 Ne7 12.Qc2 h6 13.Na4 (13.e3 Be6+=) 13...Be6= 14.Nd2 Qc8 15.d4 (15.e3 Nf6+=) 15...e4 (15...ed4 16.Nf3=) 16.d5+= Bf7 17.Bg7 Kg7 18.f3 ef3 19.ef3 Qd7 20.Rae1 Nc8 (20...Nf6 21.Qc3+/–) 21.f4 Nb6 22.Nc3 (22.Nb6 cb6 23.Qc3 Nf6+/–) 22...Qd8 (22...Rae8 23.Nd1+=) 23.Ne2 (23.Rf2 Qf6+/–) 23...Qf6 (23...Re8 24.Qc3 Nf6 25.Nd4+/–) 24.Qd3 (24.Bf3 Kg8+/–) 24...Nd7 (24...Kg8 25.Bf3+/–) 25.Nb3 (25.Bf3 Nc5 26.Qc2 g5+/–) 25...a4+= 26.Nbd4 Nc5 27.Qc2 (27.Qc3 Kh7+=) 27...Kg8 28.Qd1 Qg7 29.Nc3 Rfe8 30.Bf3 Nb3 31.Nce2 Nf6 32.Nb3 ab3 33.Qb3 Nd7 34.Rc1 g5 35.Rfe1 Nc5+= 36.Qc3 gf4 37.Qg7 Kg7 38.Nf4 Re1 39.Re1 Ra3 40.Kg2 Kf6 41.Rb1 b6 42.Rc1 Nb3 43.Re1 Nd2 44.Nh5 Kg5 45.h4= Kg6 46.Nf4 Kg7 47.Bh5 Bh5 48.Nh5 Kf7 49.Re6 Nc4 50.Rf6 Ke7 51.Re6 Kd7 52.Nf4? Ne3–+ 53.Kh2 Ng4 54.Kg2 Ra2 55.Kg1 Rb2 56.Rg6 Rb5 57.Rg7 Kc8 58.Rh7 Rb1 59.Kg2 Rb2 60.Kg1 b5 61.Kf1 b4 62.Ke1? b3 0–1. Hoffmann,Max (2060) – Nestorovic,Lazar (2380), Skopje MKD, 4th Karpos Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.a3 d6)

6.b5 b6

7.Bg2 Bb7

8.0-0 c5 9.d3 d5 10.cd5 Nd5 (10...Qd5 11.Nbd2=) 11.Bg7+= Kg7 12.Nbd2 (12.Qc2 Nd7=) 12...Nd7 (12...Nc3!? 13.Qe1 Nb5=+) 13.Nc4+= N7f6 (13...e5 14.Nd6 Qc7 15.Nb7 Qb7 16.Nd2=) 14.Rc1 Qc7? (14...Rb8 15.Nfe5+=) 15.d4 (better 15.e4+-) 15...Rad8 16.Qb3 a4 (16...Ne4 17.Rfd1+=) 17.Qa4+/- Ra8 (17...cd4 18.Nd4 Nf4 19.Nb2 Qc1 20.Rc1 Rd4 21.gf4 (worse 21.Qd4 Ne2 22.Kf1 Nd4 23.Bb7 Nb5=+) 21...Ra4 22.Na4+/-) 18.Qb3 Kg8 (18...Ne4 19.Rfd1+/-) 19.dc5 bc5 20.Rfd1 Nb6 21.Nb6 Qb6 22.Ne5 Bg2 23.Kg2 Ra5 (23...Qb7 24.Nc6+-) 24.a4 Rfa8? (24...Ra6+-) 25.Qf7 Kh8 26.Qe7 R5a7 27.Qd6 (27.Qc5 Qc5 28.Rc5 Ra4+-) 27...Qd6 28.Rd6 Ne4 29.Rc6 (29.Rd5 Ra4 30.f3 Nf6 31.Rdc5 Ra2+-) 29...Ra4 (29...Re8 30.b6 Raa8 31.Nd7+-) 30.f3 (better 30.b6!? Rb4 31.Nd3 Rb5+-) 30...Ng5 (30...Re8 31.Ra6 (31.fe4?! Re5 32.R1c5 Rae4+-) 31...Rb4 32.Nd3+- (32.fe4?! Re5 33.b6 Kg7+-)) 31.h4 (31.h4 Re8 32.R6c5+- (worse 32.hg5 Re5 33.R6c5 Re2 34.Kh3 Re7+-)) 1-0. piongu (2560) - lokiy47 (2540), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.0-0 d6

9.d3 Nbd7 10.Nbd2 e5 11.Re1 Qc8 12.Nf1 c5 13.bc6 Bc6 14.Rb1 Re8 15.Ba3 d5 16.Ne3 d4 17.Nc2 Ng4 18.h3 Nh6 19.e3 de3 20.Ne3 e4 21.Ng5 ed3 22.Nd5 Re1 23.Qe1 Bf6 24.Be7 Bd5 25.Bd5 d2 26.Qd2 Be7 27.Ba8 Qa8 28.Qd7 Bg5 29.Rb6 Kg7?? (better is 29...Nf5=) 30.Qd4+– Kf8 (30...f6 31.f4 Bh4 32.gh4+–) 31.Qb2 (better is 31.Qd6 Be7 32.Rb8 Kg7 33.Qe5 Bf6+–) 31...Qe4 32.Rb8 Ke7 33.Rb7 Ke6 34.Rb6 (better is 34.Qb6!? Kf5 35.Qa5 Kf6 36.Rb6 Kg7 37.Qg5 Qe1 38.Kg2 Qe4 39.Kh2 Ng8+–) 34...Ke7 35.Rb7 ½–½. Johnson,Eric C (2115) – Wallach,Kenneth, Chicago op, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.g3 a5 6.b5 b6)

9.d3 e5 10.Nc3 Nbd7 11.e4 Nc5 12.Rc1 (12.Qe2 a4=) 12...h5 (12...Nfd7 13.Nd5=) 13.Re1 Bc8 14.Ng5 (14.d4 ed4 15.Nd4 Bb7+=) 14...Bg4 15.f3 Bd7 16.h4 (16.f4 a4+=) 16...Bh6 17.Rc2 Nh7 (17...Bg7 18.Rf2+=) 18.Nh7 Kh7 19.Nd5 f5 (19...Bg7 20.d4 ed4 21.Bd4+=) 20.d4+/- ed4 21.Qd4 (21.ef5 d3 22.fg6 Kg6 23.Ne7 Kh7+-) 21...Rf7 (21...f4 22.Nf4 Rf4 23.gf4 Qh4 24.Rd1+=) 22.Nf6+- Qf6 23.Qf6 Rf6 24.Bf6 Re8 25.Bg5 (25.Bd4 Nd3 26.Rd1 fe4 27.fe4 Ne5+-) 25...Bg7 (25...Bg5 26.hg5 fe4 27.fe4+=) 26.Rce2 (26.Bh3!?+/-) 26...fe4+= 27.fe4 Be6 28.Rc2 Nd3 29.Rf1 (better 29.Rd1 Nb2 30.Rf1+/-) 29...Nb4=+ 30.Rd2 Bc3 31.Rdd1 (31.Rfd1 Bd2 32.Rd2 Bc4=) 31...Na2 32.Bf6? (32.e5 Be5 33.Bd5 Bf5=+ (worse 33...Bg3 34.Be6 Re6 35.Rf7 Kg8 36.Rdf1+/-)) 32...Bb4 (better 32...Bc4 33.Bc3 Nc3-+) 33.e5 Bc5 34.Kh2 Nb4?? (better 34...Bc4 35.Bc6 Re6=+) 35.ed6+/- cd6 36.Bh3?? (better 36.Rde1 Kg8 37.Bc6 Nc6 38.bc6+-) 36...Bc4-+ 37.Rfe1 (better 37.Rde1 Bb5 38.Re8 Be8 39.Bc3-+) 37...Rf8 (better 37...Bb5 38.Re8 Be8-+) 38.Re7-/+ Rf7 39.Rf7 Bf7 40.Re1 (40.Bd4 Bc4-/+) 40...d5 41.Be7 Be7 (better 41...Nd3 42.Bc5 Nc5=+ (42...bc5? 43.b6 Ne1 44.b7+-)) 42.Re7+= Kg8 43.Rb7 d4 44.Rb6 d3 (better 44...Be8!?+/-) 45.Rd6+- Nd5 (45...Bc4 46.b6 Ba6+-) 46.Bg2 d2 (46...Kf8 47.Bd5 Ke7 48.Bf7 Kd6 49.Bg6 d2+-) 47.Bd5 (47.Bd5 Kg7 48.Bf7 Kf7 49.b6+-) 1-0. Nenezic,M (2530) - Visakh,NR (2515), Titled Tuesday 8th June, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

9.d4 Nfd7 10.Qc2 (10.Nc3 Nf6+–) 10...Qc8 (10...c5 11.Nbd2+=) 11.Nc3+– Re8 12.Rac1 e5 (12...Nf6 13.e4+=) 13.e3 (13.Nd5 ed4 14.Bd4 Bd5 15.cd5 Nc5+–) 13...f5 Black prepares the advance e4 (13...Nf6 14.Rfe1+=) 14.Na4 (14.Qb3 Kh8+–) 14...Bf3 (better 14...ed4!? 15.ed4 Nf6+–) 15.Bf3+– e4 16.Bg2 Qd8 17.c5 bc5 18.dc5 dc5 19.Bg7 Kg7 20.Rfd1 (20.Nc5 Ra7+–) 20...Qf6 (20...Qe7!?+–) 21.Nc5+– Ne5 22.Qb3 Ra7 23.Rc2 (23.Rd4 Kh6+–) 23...Qb6 (23...Kh6 24.Qc3+–) 24.Qd5 (24.a4 Kh6+–) 24...Kh6 (24...a4 25.Bf1+–) 25.Bf1+– c6 26.Na4 (better 26.Qd6+–) 26...Qb7= (worse 26...cd5 27.Nb6 Nf3 28.Kh1+–) 27.bc6 (27.Qb3 cb5 28.Bb5 Nbd7+=) 27...Nbc6 28.Rb2 Qe7 29.Nc5?? (better 29.Qc5=+) 29...Rd8–+ 30.Qb3 Rd1 31.Qd1 Qc5 32.Rc2 (32.Rb5 Qa3 33.Qb3 Qc1–+) 32...Qe7 33.Qd5 (33.Be2–+) 33...Rd7 (33...Nb4 34.Qb3 Nf3 35.Kh1 Nc2 36.Qc2–+) 34.Qb5 Nf3 35.Kh1 Nce5 (better 35...Nb4 36.Rc3 Rd2 37.Kg2–+) 36.Qa5 (36.Qb1–+) 36…Qd8 (36...Qd8 37.Qd8 Rd8–+) 0–1. Iminov,Bachtiar (1840) – Haverkamp,K (1920), 2nd Hersonissos Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 b6 7.Bg2 Bb7 8.0-0 d6)

9.d4 Nbd7

10.a4 d5 11.cd5 Nd5 12.e3 Re8 13.Na3 e5 (13...Rc8 14.Rc1+=) 14.de5 Ne5 15.Ne5 Be5 16.Be5 Re5 17.Qb3 Rb8 (better is 17...Qf6+=) 18.Rad1+– Qe7 19.Nc4 Rh5 20.Nb2 (better is 20.Na5 ba5 21.Bd5 (21.Rd5?! Bd5 22.Bd5 Qf6=) 21...Rd5 22.Rd5+/–) 20...c5?? (better is 20...Nb4+=) 21.bc6+– (21.Rd5?! Bd5 22.Bd5 Qf6+–) 21...Bc6 22.Bd5 (22.Bd5 Qd7 23.Bc6 Qc6 24.Rd2+–; 22.Rd5?! Bd5 23.Bd5 b5+–) 1–0. algernon (2555) – croach (2365), net–chess.com, 2014.

10.Nc3 Ne4 11.Qc2 Nc3 12.Bc3 e6 13.e4 Qe7 14.Nd2 e5 15.d5 f5 16.ef5 gf5 17.f4 Rae8 18.fe5 Ne5 19.Rae1 Qg5 20.Be5 (20.Nb3!?+=) 20...de5= 21.Nf3 Qg4 22.Kh1 f4 23.gf4 Rf4 24.Nd2 Ref8 25.Be4 Rf2 26.Qd3 (26.Bh7? Kh8 27.Qg6 Qh4 28.Rf2 Rf2–+) 26...Qh4 27.Rf2 Rf2 28.Nf1 Ra2 29.Re2 Ra1 30.Kg2 Bc8 31.Bf5 Qg5 32.Ng3 Bf5 33.Qf5 Qf5 34.Nf5 Rc1 35.Ne3 Rc3 36.Kf3 (better is 36.Kf2!?–+) 36...Bh6 37.c5 bc5 (better is 37...Kf7 38.Ke4 Be3 39.Re3 Re3 40.Ke3 Ke7 41.d6 cd6 42.cb6 Kd7–+) 38.d6? (better is 38.Ke4–+) 38...cd6 39.Ke4 Be3 (39...Kf7!? 40.Rf2 Ke6 41.Rf6 Kf6 42.Nd5 Ke6 43.Nc3–+) 40.Re3 d5! 41.Kf3 e4 42.Kf4 Rc1 43.Rg3 Kf7 44.Ke5 Rb1 45.Kd5 Rb5 46.Rh3 Kg6 47.Ke4 a4 48.Rg3 Kf6 49.Rh3 Ra5 50.Ra3 Ke6 51.Kd3 Kd5 52.Kc2 Kc4 53.Kb2 Ra7 54.Rh3 Rb7 55.Ka2 Kb4 56.Rg3 Rd7 57.h4 Rd2 58.Kb1 Rh2 59.Rg4 c4 (59...c4 60.Rg8 Rh4 61.Rb8 Kc3–+) 0–1. Licina,Zoran (2220) – Ivic,Mateo (2295), Bol CRO, Team Ch (m) GpB, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 b6)

10.Nc3 e5+=.

10.Nbd2 c5 11.bc6 Bc6 12.Re1+=.

10.Nbd2 Ne4 11.Qc2 f5 12.d5 Nd2 13.Qd2 Bb2 14.Qb2 Nc5 15.Qd2 e5 16.de6 Ne6 (better is 16...Qf6=) 17.Nd4+– Bg2 18.Ne6 (18.Kg2?! Qf6 19.Ne6 Qe6=) 18...Qf6? (better is 18...Qc8!? 19.Nf8 Bf1 20.Ng6 hg6 21.Qd5 Kg7 22.Rf1 Qe8+/–) 19.Nf8+– (19.Kg2?! Qe6 20.Qd5 Rae8=) 19...Bf1? (19...Bb7 20.Ng6! Qg6+–) 20.Qd5 (20.Rf1?! Rf8 21.e3 Re8=) 20...Kg7 21.Ne6 (21.Qa8 Qa1 22.Ne6 Kh6 23.Qf8 Kh5+–; 21.Rf1?! Rf8 22.e3 Qb2=) 21...Kh6 22.Rf1 (22.Qa8 Qa1 23.Qf8 Kh5+–) 1–0. Smistik,Milan – Krejci,Jakub, CZE–ch U14 Svetla nad Sazavou, 1994.

10.Nbd2 e5 11.de5 Ng4 12.Qc2 Nge5? (better is 12...de5 13.h3 Nh6+=) 13.Ne5+– Bg2 14.Nf7?? (better is 14.Nd7 Bf1 15.Bg7 (15.Nf8?! Bh3+/–) 15...Kg7 16.Qc3 (16.Nf8?! Bh3+/–) 16...f6 17.Nf8+–) 14...Rf7+= 15.Kg2 Bb2 16.Qb2 Nc5 17.Nb3 Nb3 18.ab3 Qe8 19.Rad1 a4 20.Qc2 (20.ba4!? Ra4 21.Qc2+/–) 20...ab3= 21.Qb3 Qe4 22.Kg1 Qe2 23.Rde1 Qf3 (23...Qd2 24.Qe3 Qe3 25.Re3=) 24.Re3 Qf6 25.Kg2 Kg7 26.f4 Re7 27.Rfe1 Rae8 (27...Re3 28.Qe3 Qf7 29.Qe7=) 28.Re7+= Re7 29.Re7 Qe7 30.Qc3 Kh6 (30...Kf7!?+=) 31.g4+/– Qe4 (31...g5 32.f5+/–) 32.Kg3+– d5?? (better is 32...Qe2+–) 33.g5 Kh5 34.Qd2 (34.Qd2 Qf3 35.Kf3 dc4 36.Qd7 c3 37.Qh7) 1–0. Makoto,Rodwell (2405) – Ovcina,Dennis (2210), PSS, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 b6)

6.b5 c5

7.d3 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 b6 11.Bg2 Bb7 12.0-0 f6 13.Nbd2 Ra7 14.a4 e5 15.Rfd1 Nb4 16.Nc4 Qc7 17.Rac1 Nd7 18.e3 Rd8 19.d4 ed4 20.ed4 cd4 21.Nd4 Bg2 22.Ne6 Kh8 23.Nc7 Rc7 24.Kg2 1–0. gentelmenjoe (1905) – bajai (1850), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

7.Bg2 b6 8.Ne5 Ra7 9.0-0 Bb7 10.Nf3 d6 11.d3 e5 12.Nc3 Re8 13.Qc2 (13.e4 Nbd7=) 13...Nbd7 14.Rad1 Qe7 15.e3 h6 (15...d5 16.Rfe1=) 16.Rfe1 Nf8 17.d4 (17.Ne4=) 17...e4 (better 17...ed4!? 18.Na4 Be4=) 18.Nd2+/- cd4 19.ed4 d5 20.Na4 (20.cd5 Qd7+/-) 20...Qc7 (20...N6d7 21.cd5 f5 22.f3+/-) 21.c5+/- N6d7 (21...N8d7 22.c6 Bc8 23.f3+/-) 22.Rc1 bc5 (better 22...Ba8!?+/-) 23.dc5+- Bb2 24.Qb2 Qe5 25.c6 Qb2 26.Nb2 1-0. Spiritchaser84 (2230) - Berezkin (1910), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 b6 8.Ne5 d5+=.

7.Bg2 b6 8.Nh4 Ra7 9.e4 (9.Nc3 d6+=) 9...d6= 10.d3 Nbd7 11.0-0 Bb7 12.f4 e6 13.Qe2 d5 (13...a4 14.e5 Bg2 15.Kg2+=) 14.e5+= Ne8 15.Nc3 Nc7 16.Nf3 d4 (16...Qe7!?+=) 17.Ne4+/– Be4 18.Qe4 Qa8 19.Qe2 Qd8 20.Rae1 f6 (20...Qe7 21.Qd2+/–) 21.ef6+– Bf6 22.h4 Re8 23.Bh3 Nf8 24.Bc1 Qd6 25.Ne5 Nd7 26.h5 Nf8 27.Qg4 Kg7 28.Bg2 Na8 29.Be4 Kg8 30.hg6 hg6 31.Bg6 Rg7 32.Bf7 Kh8 33.Qh5 Rh7 34.Be8 Qe7 35.Ng6 Ng6 36.Qg6 Nc7 37.Bc6 Rg7 38.Qh5 Rh7 39.Qf3 1–0. Franic,M (2385) – Balenovic,Z (2250), It Sisak CRO, 2000.

7.Bg2 d5 8.cd5 Nd5 9.Bg7 Kg7 10.0-0 Bg4 11.d3 Nd7 12.Qb3 N7b6 13.a4 f6 14.Nbd2 e5 15.Rac1 Be6 16.Qa3 Qe7 17.Ne4 Rfc8 18.Rc5 Rc5 19.Nc5 Bg8 20.d4 e4 21.Nd2 e3 22.Nde4 ef2 23.Rf2 f5 24.Nd2 Ne3 25.Bb7 Rd8 26.Nf3 Nd1 27.Qa1 Nf2 28.Kf2 Bd5 29.Bd5 Nd5 30.Ne5 Rc8 31.e3 Qd6 32.Nc4 Qe7 33.Ne5 Qc7 34.Kf3 Re8 35.Ncd3 Qb7 36.Kf2 Qc7 37.Nc5 Re5 38.de5 Qc5 39.Qd4 Qd4 40.ed4 Kf7 0–1. gentelmenjoe (1915) – babiarz2000 (1740), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5)

7.Bg2 d5 8.cd5 Nbd7 9.Qc2 Nd5 10.Bg7 Kg7 11.0-0+=.

7.Bg2 d6 8.0-0 Be6 9.d3 Qc8 10.Nc3 Bh3 11.e4 Bg2 12.Kg2 Nbd7 13.Qd2 e6 14.Rac1 Nb6 15.Nh4 Rd8 16.Ne2 Qd7 17.Bc3 Na4 18.Ba1 d5 19.Qc2+= de4 20.Qa4 Qd3 21.Nf4 Qd2 22.Rfd1 Qb4 23.Qb4 ab4= 24.Kg1 g5 25.Bf6 Bf6 26.Nh5 Bb2 27.Rd8 Rd8 28.Rb1 Rd2 29.Ng2 Bd4 30.Ne3 f5 31.Rc1 Kf7–+ 32.Kf1? Kg6 33.g4 f4 34.Nd1 Ra2 35.h4? h6 36.Rb1 Be5 37.Rb3 gh4 0–1. Karlsen,T (2095) – Asauskas,H (2335), OSS IM, Oslo NOR, 2003.

6.b5 c6

7.Na3 d5 8.d3 Qd6 (8...dc4 9.dc4 Qb6 10.Qd4=) 9.Qc1 (9.Rb1 Qb4 10.Qd2 dc4 11.Bf6 Qa3 12.Bg7 Kg7 13.dc4 Qc5 14.Qc3 f6=) 9...Nbd7 10.Bg2 e5 11.0-0 d4 12.c5 Qe7 (worse 12...Qc5 13.Qc5 Nc5 14.bc6+=) 13.bc6 bc6 (worse 13...Nc5 14.Nc4 e4 15.Nd4+/-) 14.Nc4 Nd5 (14...Nc5? 15.Nce5 Nb7 16.Qc6+- (16.Bd4?! c5 17.Bb2 Be6+/-)) 15.Ba3 Nc3 (15...Nc5 16.Nce5 Nc3 17.Nd4 Ne2 18.Ne2 Qe5 19.Bc5 (19.Qc5?! Qe2 20.Rfe1 Qg4+-) 19...Qe2 20.Bf8 Bf8 21.Qc6+-) 16.Re1 Nb5 (16...e4 17.Nfd2 f5 18.Nd6=) 17.Rb1 Na3 18.Qa3 Attacks the isolani on a5 18...Nc5? (18...e4 19.Nfd2 Qc5 20.Ne4 Qa3 21.Na3+=) 19.Nfd2 (19.Rec1 a4 20.Ncd2+/-) 19...Ra7 20.Bc6 Bh3 (20...a4!?+=) 21.Rb5+/- (21.Na5?! Rc8 22.Ndc4 Be6=) 21...Na6 22.Ra5 Qa3 23.Ra3 (23.Na3 Bc8+/-) 23...Rb8 24.Ra5 f6 (24...Be6 25.e3+/- (25.Ne5?! Be5 26.Re5 Nb4+=)) 25.Bb5 (25.e3 Bf8+/-) 25...Rba8 26.Rb1 Nc7 27.Ra7 Ra7 28.a4 Nd5 29.Ne4 Bf5 (better 29...Bh6!?+/-) 30.Ncd6+- Be4 31.de4 (31.Bc4!? Bf5 32.Rb8 Bf8 33.Bd5 Kg7 34.Ne8 Kh6 35.Nf6 Bd6+-) 31...Bf8+/- 32.Nc8 Rc7 33.ed5 Rc8 34.Bc6 Rc7 35.a5 (35.Kg2 Kf7+-) 35...Kf7 (35...Ra7 36.Rb8 Kf7 37.Rb7 Rb7 38.Bb7+/-) 36.Rb5 e4 37.Kf1 f5 38.a6 Ba3?? (better 38...Ra7 39.Rb7 Rb7 40.ab7 Bd6+/-) 39.Ra5+- Bb2 (39...Be7 40.a7 Rc8+-) 40.a7 d3 (40...Ra7 41.Ra7 Kf8 42.d6+-) 41.a8Q d2 42.Ba4 (42.Ba4 Kg7 43.d6+-) 1-0. Moore,Graham J (2250) - Swindells,Jonathan E (2255), 4NCL Div 2a, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5)

7.Na3= d5 8.Bg2 e6 (8...dc4!? 9.bc6 Nc6 10.Nc4 Be6=) 9.0-0= Bd7 (9...Qd6 10.d4+=) 10.d3 (10.Qb3 Ne4+/–) 10...cb5+= 11.Nb5 Bb5 12.cb5 a4 13.Ba3 (13.Rc1 Nbd7+=) 13...Re8 14.Rb1 (14.Qc2 Nbd7+=) 14...Nbd7= 15.Qd2 Qb6 16.Rfc1 Ra5 17.Qc2 (17.Nd4 Ng4 18.Bb4 A) 18...Qd4? A1) 19.Ba5 Qf2 (19...Nf2?? 20.e3 Qd3 21.Qf2+–) 20.Kh1 Bd4–+; A2) 19.e3 Bh6 20.Ba5 Ne3 21.Rc7+–; B) 18...Bd4 19.Ba5 Bf2 20.Kh1 Qa7+=) 17...Rb5 18.Rb5 Qb5 19.Rb1 Qc6 20.Nd4 (20.Qb2 Bf8+=) 20...Qc2-/+ 21.Nc2 Rc8 22.Nd4 (22.Ne3 b6-/+) 22...b6 (22...e5 23.Nf3 Rc2 24.Rb7 Ra2 25.Ne5 Ra3 26.Nd7 Ra1 27.Bf1-/+) 23.Rb4+= Ra8 24.Rb5 (24.Rb1+=) 24...Rc8 25.Bh3 (better is 25.Rb4!?=) 25...Bf8-/+ 26.Bf8 Kf8 (worse is 26...Nf8 27.Rb6 Rc1 28.Kg2=) 27.Rb4 e5 28.Nf3 Rc2 29.Ra4 Re2 30.Ra7? (better is 30.Ra8!? Ke7 31.Kf1=) 30...e4-/+ 31.de4 de4 32.Ng5 Ne5 33.Kf1? (better is 33.Ra8!? Kg7 34.Ra7 Nf3 35.Nf3 ef3 36.Bf1–+) 33...Rb2–+ 34.Bg2? (34.Ra8 Kg7 35.Ra7–+) 34...e3! 35.fe3 (35.fe3 Neg4 Double attack (35...Neg4 Decoy)) 35...Nfg4 36.Be4 h6 37.Nh3 (37.Nf7 Nf7 38.h4–+) 37...f5 38.Ba8 (38.Ra8 Kg7 39.Ra7 Kf6 40.Bd5 Ne3 41.Kg1–+) 38...Ne3 39.Kg1 N5g4 (39...Nd3 40.Rf7 Kg8 41.Rf8 Kf8 42.Kh1 Rb1 43.Ng1 Nf2) 40.Nf4 (40.Be4 fe4 41.Ra8 Ke7 42.Ra7 Kd6 43.Rd7 Kd7 44.Kh1 Rb1 45.Ng1 Nf2) 40...Rb1 0–1. Kvisla,Johannes L (2155) – Alvarado Diaz,A (2350), Andorra AND, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 c6)

7.a4 cb5 8.ab5 Qc7 9.d3 d5 10.cd5 Qc5 11.Qb3 Nd5 12.d4 Qb4 13.Qb4 Nb4 14.Kd2 Bf5 15.Nh4 Be4 16.f3 Bb1 17.Rb1 Rd8 18.e3 e5 19.Bc4 Nd7 20.Ba3 Nb6 21.Bb3 ed4 22.e4 Bf8 23.Rhc1 Rac8 24.f4 Rc1 25.Rc1 a4 26.Bd1 Na2 27.Rc2 Nc3 28.Bf8 Kf8 29.Bf3 a3 30.Rc1 a2 31.Ra1 Nc4 32.Kc2 Ra8 33.e5 Ra5 34.b6 Rb5 35.Ng2 Rb2 (35...Rb2 36.Kd3 Nd2 37.Bb7 Nb3 (37...Rb6?! 38.Kd2 Rb7 39.Ne1–+) 38.Ra2 Na2–+) 0–1. Polonsky,Pavel (2100) – Gorovykh,Eduard (2400), 4. Open A Moscow RUS, 2008.

7.a4 d6 8.Bg2 e5 9.d3 c5 10.0-0 Nh5 (10...Qc7 11.Nc3+=) 11.Nc3+= f5 12.Qb3 Nd7 13.Nd5 f4 14.Nd2 g5 (14...Ndf6 15.e3+=) 15.e3 (15.Ne4 Nb8+/-) 15...Ndf6 16.Nf6 Nf6 17.d4 ed4 18.ed4 Ng4 (18...Nd7!?+=) 19.dc5+/- dc5 20.Bd5 Kh8 21.Bg7 Kg7 22.Ne4 f3 (better 22...Nf6!? 23.Nc5 Nd5 24.cd5 b6 25.Ne6 Be6 26.de6 Qe7+-) 23.Rad1 Qe7 24.Qc3 Kh6 25.Rfe1 Qc7 (25...Bf5 26.Qd2+-) 26.h4 (26.h3 Ne5+-) 26...Bf5? (better 26...gh4 27.Qd2 Kg7 28.Qg5 Kh8 29.Qh4 Bf5+/-) 27.hg5 (worse 27.Ng5 Rae8 28.Re8 Re8 29.Qf3 Bc8+-) 27...Kg6 (27...Kh5 28.Nf6 Kg6 29.Ng4 Bg4 30.b6 Qb6 31.Re7+-) 28.Nf6 (28.Nd6 Rad8 29.Nf5 Rf5+-) 28...Kg5? (better 28...Nf6 29.gf6 Rf6 30.Qf3 Rd8 31.Bb7 Rd1 32.Rd1 Be6 33.Be4 Kg7+-) 29.Ng4 Bg4 30.Re5 Kg6 31.Qe3 h6 (31...Bf5 32.g4 Qg7 33.Re7+-) 32.Be6 (32.Re7 Qb8 33.Be4 Rf5 34.Bf5 Bf5 35.Re6 Kf7 36.Rd7 Kg8 37.Rg6 Bg6 38.Qe6 Kf8 39.Qf6 Kg8 40.Qg7) 32...Be6 (32...Rae8 33.Rdd5 Kh7+-) 33.Re6 Rf6 34.Rf6 Kf6 35.Qh6 (35.Qh6 Kf7 36.Qh7 Kf6 37.Qc7 Re8 38.Qf4 Kg6 39.Rd6 Re6 40.Re6 Kg7 41.Qh6 Kg8 42.Qg6 Kf8 43.Re8) 1-0. Marin Masis,Jose Esteban (1935) - Arakhamia_Grant,K (2380), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 d5 8.Na3 dc4 9.bc6 Nc6 10.Nc4 Be6 11.Nce5 Qb6 (11...Rc8 12.0-0+=) 12.Nc6 Qb2 (12...bc6!? 13.Bd4 c5=) 13.Rb1= Qa2 14.Rb7 Kh8 15.Ncd4 (better is 15.Nfd4+=) 15...Bd5-/+ 16.Re7? (better is 16.Rb1-/+) 16...Ng8–+ 17.Rd7 0–1. Steiner,Thomas (1905) – Bonev,Todor (2300), 11th Kesarovski–Stanchev Mem, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5)

7.Bg2 d5 8.bc6 bc6 9.cd5 cd5 10.0-0 Nc6 11.d4 (11.Ne5 Ra6=) 11...Ba6 (11...Rb8 12.Ba3=+) 12.Ba3 (12.Ne5 Qb6 13.Nc6 Qc6=+) 12...Re8 (12...Ne4 13.Re1=+) 13.Nc3 e6 14.Rc1 Nb4 15.Na4 (15.Ne5 Nd7 16.Nd7 Qd7=+) 15...Bb5 (15...Ne4 16.Nd2 Na2 17.Rc2=+) 16.Nc5 (16.Nc3 Rb8=) 16...Qb6 (16...Ne4-/+) 17.Qb3 (17.Rb1 Ne4 (worse 17...Na2 18.Qc2 Nb4 19.Bb4 ab4 20.Rb4+=) 18.Ne4 de4=+) 17...Nc6 (better 17...Be2 18.Rfe1 Bc4-/+) 18.Rb1 Ne4?? (better 18...Rab8=) 19.Qb5+- Qb5 20.Rb5 Bd4 (20...Nc3 21.Rb2 Nd4 22.Nd4 Bd4 23.Rc2+-) 21.Ne4 de4 22.Nd4 Nd4 23.Rb2 f5 24.e3 (24.Bc5 Rad8+-) 24...Nc6 (24...Nf3 25.Bf3 ef3 26.h3+-) 25.Rc1 (25.f3!? ef3 26.Bf3 Rac8+-) 25...Ne5 26.Bf1 Nd3 (26...Rec8 27.Rd1+-) 27.Bd3 ed3 28.Rd2 Red8 29.Bc5 (better 29.Bb2+-) 29...e5 30.e4 fe4 31.Re1 Rd5 (31...Rdc8 32.Ba3 Rc3 33.Bb2+/-) 32.Bb6 (better 32.Ba3!?+/-) 32...Rb8+= 33.Ba7 Rb7 34.Be3 Rb4 (34...Kf7 35.Rc1+=) 35.Bg5 (35.Rc1 h5+=) 35...Rc4 (35...Kf7 36.h4=) 36.Be7 (36.Rb1 Rdc5+=) 36...Rb5 37.Bf6 Kf7 38.Bg5 Ke6 39.Bh6 Kd5 (39...Rbc5 40.Kg2=) 40.Kg2 (40.f3 Rc2+=) 40...Rbb4 41.f3 (better 41.g4=) 41...Ra4?? (better 41...Rc2 42.Kf1 Rbb2 43.Rc2 Rc2 44.fe4 Kd4=) 42.fe4+/- Re4 43.Re4 (better 43.Rd3 Red4 44.Rd4 ed4 45.Re2+/-) 43...Ke4= 44.Kf2 Kd4 45.Be3 Kd5?? (45...Kc3 46.Bg5=) 46.Bb6?? (better 46.Rd3 Ke4 47.Rd2+-) 46...e4+= 47.Bc7 (47.Ke3 h5+=) 47...Rc4 (47...Kc6!? 48.Bd8 Kd7+=) 48.Rd3 (48.Rd3 ed3 49.Ba5-+) 1-0. Spiritchaser84 (2165) - NoBanPlease (1995), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 d5 8.cd5 cb5 9.0-0 Nd5 10.Bg7 Kg7 11.Qb3 b4 12.a3 ba3 (12...Nc6 13.ab4 Ndb4 14.Qb2 f6 15.Nc3-/+) 13.Na3 Nc6 14.Nc4 Kg8 15.d4 (15.Qb5 Ndb4=) 15...Ra6 (15...Ndb4!?+=) 16.e4= Nb6 17.d5 Nc4 18.Qc4 Nb4 19.Nd4 e6 20.Rfd1 ed5 21.ed5 Bd7 22.Nb3 b5 (22...b6 23.Nd4=) 23.Qf4 Qb8 (23...Qb6 24.Na5 Ra5 25.Qb4 Ra1 26.Ra1=) 24.Qd2 (24.Qb8 Rb8 25.Nc5 Ra7 26.Nd7 Rd7 27.Ra5 Nc6=) 24...Qb6= 25.Na5 Ra5 26.Qb4 Rfa8 27.Ra5 Ra5 (27...Qa5 28.Qe7 Qa4 29.Rb1=) 28.Rc1 (better is 28.d6!?+=) 28...Ra2= 29.Qf4 b4 30.Bf1? (better is 30.d6 Ra5 31.Be4=) 30...b3–+ 31.Bc4 (better is 31.Bd3–+) 31...Rc2?? (better is 31...Ra4 32.d6 Be6–+) 32.Bd3?? (better is 32.Rb1 b2 33.d6=) 32...Rc1–+ 33.Qc1 b2 34.Qb1 Qd4 35.Be4 (35.d6 Qd6 36.h4 Qa3–+) 35...Qc3 (better is 35...Bh3 36.Qe1 Qc5–+) 36.Kg2 f5 37.Bd3 Qd4 38.d6 Bc6 39.f3 Qd5 40.Qf1 (40.Be2 Qd2 41.Qd3 Qd3 42.Bd3 Kf7–+) 40...Qd6 41.Bb1 Qd2 42.Qf2 Qf2 43.Kf2 Kf7 (43...Kg7 44.Ke3–+) 44.Ke3 Ke6 45.Kd2 Bf3 46.Kc3 Ke5 47.Kb2 g5?? Black prepares f4 (better is 47...Kd4–+) 48.Kc3-/+ Be4 49.Ba2 f4 50.gf4? (50.Kd2 fg3 51.hg3 h5-/+) 50...Kf4–+ (50...gf4?! 51.Kd2-/+) 51.Kd2 (51.Kd4 h5 52.Bf7 h4–+) 51...Kf3 52.Bc4?? (52.Be6–+) 52...Kg2 53.Ke3 Bc6 0–1. Marcos Herrero,F (1915) – Perez Cameselle,F (1850), San Sebastian de los Reyes ESP, 2014.

7.Bg2 d5 8.cd5 Qd5 9.bc6 Nc6 10.0-0 Qh5 11.h4 (11.Nc3 Rd8=+) 11...Bg4 12.d3 e5 (12...Rfc8 13.a4=+) 13.Nbd2 Rfe8 14.Rc1 Rad8 15.Qb3 Nd4 16.Nd4 ed4 17.f3? (17.Nf3!?=) 17...Bc8 (17...Be6 18.Qa4-+) 18.Ne4 Nd5 (18...Ne4 19.de4 b5 20.Qa3-/+) 19.Rf2 Be5?? (better 19...Be6!?=+) 20.Rc5?? (better 20.Rc8 Rc8 21.Qd5+-) 20...Be6= 21.Ng5?? (better 21.f4 b6 22.Rc4 Nf4 23.gf4=) 21...Bg3-+ 22.Bd4 Qh4 (22...Bf2?! 23.Bf2 b6 24.Rb5-+) 23.Ne6 fe6 (23...Re6?! 24.Rd5 Rd5 25.Qd5-+) 24.e4 (24.Rd5 Rd5 (worse 24...ed5 25.f4 Bf2 26.Bf2-+) 25.Be3 Rc8-+) 24...Nf4 25.Be3 (25.Rfc2 Rd4 26.Rc8 Qh2 27.Kf1 Ng2 28.Re8 Kg7 29.Rc7 Bc7 30.Re7 Kh6 31.Rc7-+) 25...Rd3 (better 25...Qh2 26.Kf1 Bf2 27.Bf2 Qg2 28.Ke1 Nd3 29.Kd1 Nc5 30.Qd3 Qf3 31.Kc1 Nd3 32.Kc2 Qf2 33.Kb3 Qb2 34.Kc4 b5) 26.Qb5 (26.Bf1 Rb3 27.ab3 Bf2 28.Bf2 Nh3 29.Bh3 Qh3-+) 26...Red8 (26...Qh2 27.Kf1 Rd1) 27.Rc1 (27.Bf1 Rd1 28.Qc4 Nh3 29.Kg2 Nf2 30.Qe6 Kh8 31.Qf6 Qf6 32.Bg5-+) 27...Rd1 (27...Qh2 28.Kf1 Rd1 29.Rd1 Rd1) 28.Rd1 (28.Bf1 Nh3 29.Kg2 Nf2 30.Qe8 Re8 31.f4 Qh1 32.Kg3 Ne4 33.Kg4 Qh5) 28...Rd1 (28...Qh2 29.Kf1 Rd1) 29.Rf1 Qh2 0-1. TheChessHobbyist (2500) - AyMisho (2535), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.a4 d5

8.c5 Nbd7 9.d4 Ne4 10.Qc1 f6 11.Bg2 e5 12.0-0 Re8 13.Nc3 Nc3 14.Bc3 Qe7 15.e3 e4 16.Nd2 Nf8 17.Nb3 Bg4 18.Qd2 Qd7 19.Na5 Ne6 20.Rab1 Ng5 21.h4 Nf3 22.Bf3 Bf3 23.Kh2 g5 24.bc6 bc6 25.Rb7 Qg4 26.Nc6 Kh8 27.Nb4 gh4 28.Rg1 ½–½. Gawlikowski – Trzeszczkowski, PL 1962.

8.bc6 bc6 9.cd5 cd5 10.Bg2 Nc6 11.0-0 Rb8 12.Bf6 Bf6 13.Nc3 Ba6 14.Rc1 Nb4 15.d4 Rc8 16.Re1 e6 17.Bf1 Bg7 18.Nb5 Qb6 19.e3 Rc1 20.Qc1 Rc8 21.Qb1 Bf8 22.Rc1 Rc1 23.Qc1 Qc6 24.Qc6 Nc6 25.Nd2 Bb4 26.Nb3 Kf8 27.Nc7 Bc4 28.Nc5 Bc5 29.dc5 Ke7 30.Nb5 Bb5 31.Bb5 Ne5 32.Kf1 Nd7 33.c6 Nb6 34.c7 Kd6 35.Ke2 Kc7 36.Be8 f6 37.Kd3 Nc4 0–1. Sasot – Barcenilla, Manila 1991.

8.cd5 cb5 9.ab5 Qd5 10.Nc3 Qh5 11.Ra4 Nd5 12.Nd5 Qd5 13.Bg7 Kg7 14.Qa1 Kg8 15.h4 Qb5 16.h5 g5 (better is 16...Nc6 17.e3 Qc5 18.hg6 fg6 19.Rh7 Kh7 20.Rh4 Kg8 21.Qh8 Kf7 22.Rf4 Bf5 23.Ng5 Ke8 24.Qf8 Kf8 25.Ne6 Kf7 26.Nc5 e5=) 17.h6+/– f6 18.Rh5 e5? (18...Rf7 19.e3 Qf5 20.Bc4+/–) 19.e3+– Qe8? (19...Qc6 20.Ne5! Qe8 (20...fe5 21.Rg5 Kf7 22.Qe5 Be6 23.Rg7 Ke8 24.Bb5 Nd7 25.Bc6 Kd8 26.Qe6 Rf7 27.Rf7 Kc7 28.Qd7 Kb6 29.Qc7 Ka7 30.Qb7) 21.Bc4 Be6 22.Rg5 fg5+–) 20.Rg5! Kh8 (20...fg5 21.Bc4 Double attack) 21.Ne5! Nc6 (21...fe5 22.Qe5 Double attack (22.Ra5 Decoy)) 22.Bb5 Bd7 (22...Be6 23.Bc6 bc6+–) 23.Bc6 Bc6 (23...bc6 24.Rf4 Bf5 25.Rgf5 Rg8 26.Rf6 Qe5 27.Qe5 Rg7 28.Rf8 Rf8 29.Rf8) 24.Ng4 Qe6 (24...Ba4 25.Nf6 Qe7 26.Nd5 Qf6 27.Nf6 Ra6 28.Rg8 Rg8 29.Ne8 Rf6 30.Qf6 Rg7 31.Qg7) 25.Rf4 1–0. Rombaldoni,D (2465) – Ganaus,H (2255), Vienna Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 c6 7.a4 d5)

8.cd5 cd5 9.Bg2 Bg4 10.0-0 Nbd7 11.d4 Bf3 (11...Rc8 12.Nc3=) 12.Bf3+= Nb6 13.Nd2 Rc8 14.Qb3 Qd7 (14...Nc4 15.Nc4 dc4 16.Qa3=) 15.Rfc1 Bh6 (15...Qh3 16.Bg2 Qh5 17.Bc3+=) 16.e3+/– Qf5 17.Kg2 (17.Ba3 Qe6+/–) 17...Nbd7 (17...Ne4!? 18.Be4 de4+=) 18.Ba3+/– Ne4 (18...Qe6 19.Rc2+/–) 19.Be4+– de4 20.Be7 (20.h3 Nb6 21.g4+–) 20...Rc1? (better is 20...Rfe8!? 21.Rc8 Rc8+–) 21.Rc1+– Re8 22.Ba3 Bg7 (22...Re6 23.Rc8 Kg7 24.Nc4+–) 23.Rc7 b6 24.Qc4 Bf6 (24...Bf8 25.Bf8 Nf8+–) 25.Qc6 (25.Qc6 Be7 26.Be7 Re7 27.Qa8 Kg7 28.Qd8+–) 1–0. Pinales Roussel,Gabriel (2010) – Malamud,Lautaro (2065), 27th Festival Panamericano De Ajedrez d, 2016.

8.Bg2 Nbd7 9.cd5 cd5 10.d3 Re8 11.0-0 e5 12.e3 e4 13.de4 de4 14.Nfd2 Nc5 15.Bd4 Ne6 16.Bb2 (16.Bc3 Ng5=) 16…Ng5=+ (16...Ng5 17.Bd4 Bg4=+) 0–1. Tarun,Kanyamarala (1920) – Sandu,Mi (2285), 19th ch–EUR Indiv, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 c6 7.a4 d5)

7.Bg2 cb5

8.cb5 d5 9.0-0 Qb6 10.Na3 Bd7 11.Rb1 Rc8 12.Bd4 Qd6 13.Qb3 a4 14.Qb2 e6 (14...Bg4!?=) 15.Be5 Qe7 16.Rfc1 b6 17.Nd4 Ne4?? (better 17...Rc5+=) 18.Bg7+- Kg7 (18...e5 19.Rc8 Bc8+-) 19.Ne6 (19.Nf5 Kg8 20.Qg7) 19...Kg8 (19...Kh6 20.Qg7 Kh5 21.Bf3) 20.Qg7 1-0. Spiritchaser84 (2200) - dtue (1960), Rated Bullet game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.cb5 d5 9.Nc3=.

8.cb5 d6 9.0-0 Nbd7 10.Na3 Nb6 11.d3 Be6 12.Qd2 h6 (12...Bd7 13.Rac1=) 13.Rfc1 Qd7 14.Nd4 (14.e4 Rfc8+=) 14...Bh3= 15.Bh1 (15.Bh3 Qh3 16.Nf3 e5=) 15...Rfc8 (15...Na4 16.Rab1=+) 16.Qe3 (16.Nb3 a4 17.Na5 d5=) 16...Nbd5 (16...Na4 17.Qd2 d5=+) 17.Qf3 (better 17.Qd2!?=) 17...Bg4 18.Qg2 Rc1 (18...e5 19.Ndc2-/+) 19.Rc1 Rc8 (19...e5 20.Ndc2 Be2-/+) 20.Nc4? (better 20.Rc8!? Qc8 21.Qf1=+) 20...e5-+ 21.Nf3? (better 21.Nb3 a4 22.Nbd2 Be2 23.Ne4 Qb5 24.Nf6 Nf6 25.Qb7 Qb7 26.Bb7-+) 21...Bh3 (21...Qb5?! 22.Qf1-/+) 22.Nfe5 de5 (22...Bg2 23.Nd7 Bh1 24.Nf6 Bf6 25.Ba1+=) 23.Ne5 (23.Qf3 e4 24.de4-+) 23...Rc1 (23...Bg2?! 24.Nd7 Rc1 25.Bc1 Bh1 26.Nf6 Bf6 27.Kh1-+) 24.Bc1 Bg2 (better 24...Qc8 25.Qh3 Qh3-+) 25.Nd7 Bh1 26.Nf6 Bf6 27.Kh1 Nc3 (27...Kg7 28.Bd2-+) 28.Bd2 (28.Bb2!?-+) 28...Ne2 (28...Nb5?! 29.Ba5 Nd4 30.Bc3-/+) 29.Ba5 Nc1 30.a4 Nd3 31.Bb6 Bc3 (31...Be7 32.a5 Bc5 33.Bc5 Nc5 34.Kg2-+) 32.a5 Nb4 33.Bc5 f5 34.Kg2 Kf7 35.Kf3 Ke6 36.Ke2 (36.Bb4 Bb4 37.a6 ba6 38.ba6 Bc5-+) 36...Kd5 37.Be3 (37.Bf8 Kc4 38.a6 ba6 39.ba6 Na6 40.Bh6 Nc5-+) 37...h5 38.h4 Kc4 39.a6 ba6 40.b6 Nc6 41.b7 (41.Bg5 a5-+) 41...Be5 42.Kf3 (42.Bb6 Kb5 43.Be3 Na5-+) 42...Bb8 (42...a5 43.Bc1-+) 43.Bd2 (43.Bf4 Bf4 44.Kf4 a5-+) 43...a5 44.Ba5 (44.Ke2 a4 45.Bc1 Na5-+) 44…Na5 0-1. Spiritchaser84 (2080) - JMC_ (1900), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.cb5 d6 9.0-0 Nbd7 10.a4 Nb6 11.d3 e5 (11...Bg4 12.Nc3=) 12.Nbd2 h6 (12...Qe7 13.Qb3=) 13.e4 Bg4 14.h3 Be6 (14...Bf3 15.Bf3 Qd7 16.Kg2+=) 15.d4 Nc4 (15...ed4 16.Nd4 Qd7 17.Ne6 Qe6 18.Re1+=) 16.Nc4+/– Bc4 17.Re1 ed4 18.Qd4 (18.Rc1 Rc8+/–) 18...Rc8 19.Rac1 Be6 20.Qd2 (20.Rc8 Qc8 21.Ba3 Nd5+/–) 20...Rc1 (20...Qd7 21.Rcd1+/–) 21.Qc1 (worse is 21.Rc1 Ne4 22.Qe2 Bb2 23.Qb2 Nc5-/+; 21.Bc1?! d5 22.ed5 Bd5+=) 21...Qd7 (21...Re8 22.Nd4+=) 22.Qa1+/– Nh5 23.Kh2 (23.Bg7 Ng7 24.Qc1 Kh7+/–) 23...Rc8+= 24.Bg7 Ng7 25.Rc1 Rc1 (25...b6 26.Nd4 Rc5 27.Nc6+=) 26.Qc1 Kh7 27.Qc3 b6 (27...Qd8 28.Nd4+=) 28.Nd4+/– d5? (better is 28...Qd8!?+/–) 29.Qc6+– de4 (29...Qd8 30.ed5 Bc8 31.h4+–) 30.Qb6 Bd5 (30...Qd5 31.Qa7 Bc8 32.Nc6+–) 31.Qc5 (31.Qa5!? Qd6+–) 31...Ne6+/– 32.Ne6 Qe6 33.b6 Bb7 34.h4 (better is 34.Qa5 e3 A) 35.Bb7?? ef2 36.Bg2 Qe1 37.Qe1 fe1Q–+ (37...fe1R?? 38.b7 Rb1 39.a5+–); B) 35.Qe1 Bg2 36.Kg2 Qc6 37.Kh2 Qb6 38.Qe3+–) 34...h5?? (better is 34...Qa2+/–) 35.Qa5+– e3 (35...Qc8+–) 36.Bb7 ef2 (36...e2 37.Qe1 Qb6 38.Be4+–) 37.Qb5 Qe1 (37...f5 38.Kg2 f4 39.gf4 Qg4 40.Kf2 Qh4 41.Ke3 Qe1 42.Kd4 Qa1 43.Kd5 Qa2 44.Ke5 Qa1 45.Ke6 Qh8 46.Qd7 Kh6 47.Be4 Qc3 48.Qd6 Kh7 49.Qe7 Qg7 50.b7 Kh6 51.Qg5 Kh7 52.b8Q Qg8 53.Qg8 Kg8 54.Qg6 Kf8 55.Qf7) 38.Bg2 Qg1 1–0. Nenezic,Marko (2490) – Niekras,Dawid (2310), Euro Uni Rapid Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 c6)

8.cb5 d6 9.0-0 Nbd7 10.Nc3 Nb6=.

8.cb5 d6 9.Nc3 Nbd7=.

6.b5 d5

7.c5 c6 8.a4 Bg4 9.Qc2 Bf3 10.ef3 d4 11.d3 Nd5 12.Bg2 (better is 12.Qc4!?=+) 12...Nb4–+ 13.Qd2 Nd7 14.Ba3 Nc5 15.Bb4 ab4 16.bc6 Nb3 17.Qa2 Na1 18.cb7 Rb8 (better is 18...Ra6!? 19.Qa1 Qd5 20.Nd2–+) 19.f4 Qc7 20.0-0 Rb7 (better is 20...Rfe8!?–+) 21.Bb7-/+ Qb7 22.Nd2 Qa6 23.Nc4 Rb8 24.Ra1 e6 25.Qb3 Bf8 26.Re1 Ra8 27.a5 Rb8 28.Re4 Bg7 29.Kg2 Rb5 30.f3 h6 31.h4 Kh7 32.Re2 Kg8 33.g4 Kh7 34.Ra2 Bf8 35.Kg3 Kg8 36.Qa4 Be7 37.Rb2 Bf8 38.Rb3 Be7 39.Qa1 Rd5 40.Qa4 Rb5 41.Rb2 Bf8 42.Re2 Rb8 43.Qd7 Bg7 44.f5 gf5 45.gf5 ef5 46.Nd6 Rf8 47.Nf5 Qd3 48.Re4 Qf1 49.Rg4 Qg1 50.Kf4 Qh2 51.Rg3 b3 52.Ng7 b2 53.Qf5?? Qh4–+ 54.Rg4 Qh2 55.Rg3 Qd2 56.Kg4 Qe1 57.Qf4?? b1Q 58.Nf5 Qe6 59.Kh4 Kh7 60.Rg7 Kh8 61.Qd4 Qbf5 (61...Qbf5 62.Rf7 Qfe5 63.Qe5 Qe5 64.Rf8 Kg7–+; 61...Qef5?? 62.Rf7 Qe5 63.Qe5 Kg8 64.Qg7) 0–1. Lagrotteria,Salvatore (2295) – Marino Bravo,Marco A, Rome op, 1990.

7.c5 Bg4 8.Bg2 c6 9.b6 Bf3 10.Bf3 d4 11.d3 Nfd7 12.Qc1 Na6 13.Ba3 Ne5 (13...e5 14.h4+=) 14.Bg2= Kh8 (14...Qd7 15.0-0=) 15.Nd2 Nb4 16.Bb4 (16.0-0 Kg8+=) 16...ab4= 17.0-0 Ng4 (17...Qc8!?=) 18.Qc2+/– Ne3 (18...Qd7!?+/–) 19.fe3 de3 20.Nb3 (20.Nf3 Ba1 21.Ra1 Qd5+/–) 20...Ba1 21.Ra1 f5 (better is 21...e5!?+/–) 22.Qb2+– Kg8 23.Qe5 Qb8 24.Qe3 f4 (24...e5 25.Nd2+–) 25.Qe6 Kh8 26.g4 f3? (26...Qc8 27.Qe5 Kg8+–) 27.Bf3 Qf4 28.Qe4 (28.Qe7 Rae8 29.Qd7 Kg8+–) 28...Qf6 (28...Qe4 29.Be4 (worse is 29.de4 e5+–) 29...Ra3 30.d4+–) 29.d4 (29.Qb4!? e5+–) 29...Ra3 30.Qe5 (better is 30.Qe3!? e5+–) 30...Qe5 31.de5 Rfa8 (31...Rd8 32.Kf2+–) 32.Rd1 Ra2 33.Rd4 (33.Rd7 Rb8 34.Kf2 Ra3+–) 33...R8a3 (33...Rb2 34.Rd3+–) 34.Bc6 (34.Rd3 Ra8+–) 34...Rb3 35.Rd8?? (35.Bd5 Rb1 36.Kf2 b3 37.Bb7 Rc1+–) 35...Kg7+/– 36.Bd5 Rb1 37.Kf2 Rc2? (better is 37...Raa1 38.g5 Rf1 39.Ke3 Ra3 40.Ke4 h5 41.Rg8 Kh7+–) 38.g5 h5 (38...h6 39.c6! Rc6 40.Bc6 b3 41.Bb7 b2+–) 39.c6! (39.Bb7?! Rc5 40.Be4 Rb5+–) 39...Rbb2 (39...bc6 40.Rg8 Combination) 40.Bf3 (40.Bf3 Rc6 41.Bc6+–) 1–0. Gomez Feria,Jose Maria (1895) – De La Rosa Bretin,Adrian (1710), 5th Parla op, 2010. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5)

7.cd5 Nd5 8.Bg7 Kg7 9.Nc3 c6 10.Qb3 f6 (10...Nc3 11.Qc3 f6 12.bc6 Nc6 13.Bg2=) 11.bc6+= bc6 12.Bg2 e5 13.Nh4 (13.0-0 Na6+=) 13...Be6 14.Qb7 Nd7 (14...Nc7!?=) 15.Qc6+/– Nc7 16.Rc1 Ra7 (16...Ra6 17.Qa4+/–) 17.0-0 Bf7 (17...g5 18.Nf3+/–) 18.Qd6 Re8 19.f4 (19.Rfd1 Ra6 20.Qd3 Rb6+/–) 19...Re6 (19...Ra6 20.Qd3+/–) 20.Qd3 Rb6 21.fe5+– fe5 22.Qe3 Raa6 23.Nf3 Qe7 24.Bh3 Be6 25.Ne5 Ne5 26.Qe5 Kg8 27.Ne4 Nd5 28.Ng5 Bh3 29.Qd5 Be6 30.Rc8 Kg7 31.Qd4 Kh6 32.Qh4 (32.Qh4 Kg7 33.Qh7) 1–0. jaskier (2170) – thotares (1715), internet, 2007.

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 a4 10.0-0 c6 11.bc6 Nc6 12.d4 Bf5 13.Nh4 (13.e3 Qd6=) 13...Bb1=+ 14.Qb1 (worse 14.Rb1 Nc3 15.Qc2 Nb1-/+) 14...Nc3 (better 14...Nd4 15.Qd3 Nb4=+) 15.Qb2+/- Qd4 (15...Qa5 16.Rac1 Nd5 17.Rc5+/- (17.Qb7?! Nd4 18.Qd5 Ne2 19.Kh1 Nc1 20.Rc1 Qd5 21.Bd5 Rad8=)) 16.Rac1 Nd5 (16...Na2!? 17.Qa2 Qf6+/-) 17.Qb7+- Ncb4 (17...Nc3 18.e3 (18.Qc6?! Ne2 19.Kh1 Nc1 20.Qc1 Rac8=) 18...Ne2 19.Kh1+-) 18.Rfd1 Qb6 (18...Qe5 19.Bd5 Rab8+/-) 19.Bd5 Qb7 20.Bb7 Rab8 (20...Ra7 21.Bf3 Na2 22.Ra1+/-) 21.Bd5 (better 21.Rd7!? Rfd8 22.Re7 Na2+-) 21...Rfd8 22.Bc4 Rdc8? (22...Rd1 23.Rd1 Rc8+-) 23.a3 Nc6 24.Nf3 (24.Ba6!? Rd8 25.Rd8 Nd8+-) 24...Na5 25.Bd3 Rc1 26.Rc1 Rb3 27.Rc5 Nb7 28.Rb5 1-0. macsimilushin (2525) - Alex844 (2565), Rated Blitz game, lichess.org, 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 c6 10.Na3 Qd6 11.Qb3 Qf6 12.d4 Be6 13.bc6?? (13.Qb2 Nb4=) 13...Nc6 (better is 13...Nf4 14.Qb6 Ng2 15.Kf1 Bh3–+) 14.Qb2= Ndb4 15.0-0 Rfd8 Now all is on d4 16.Rfd1 Bd5 17.Nb5 Rd7 18.a3 Bf3 19.Bf3 Na6 20.Bg2 Rad8 21.Rac1 Nd4 22.Rd4 Rd4 23.Nd4 Rd4 24.Qb7 Rd6 25.Bc6+/– Qd4? 26.Qa6+– Rf6 27.e3 Qd2 28.Qc4 Qf2 29.Kh1 h5? 30.Qc3+– h4 31.gh4 Qh4 32.Rf1 Qh3 33.Rf6 ef6 34.Bg2 Qf5 35.h3 Qb5 36.Be4 Qf1 37.Kh2 Qe2 38.Kg3 Qb5 39.h4 Qb8 40.Kh3 Qb5 41.Qd3 Qc5 42.Bf3 Qc8 43.Kg2 Qc5 44.a4 Qc1 45.Qd4 Qc2 46.Kg3 Qc7 47.Kh3 Qc8 48.Bg4 Qc1 49.Bd1 Qc8 50.Kg3 Qc7 51.Qf4 Qc1 52.Qd4 Qc7 53.Kg2 Qc6 54.Kg1 Qc7 55.Bb3 Qg3 56.Kf1 Qf3 57.Ke1 Qh1 58.Kd2 Qg2 59.Kc3 Qe2 60.Qc5 Qe1 61.Kb2 Qh4 62.Qe7 Qf2 63.Ka3 Qe1 64.Qf7 Kh6 65.Qf6 Qc1 66.Qb2 Qe3 67.Qh8 Kg5 68.Qd8 Kh6 69.Qa5 g5 70.Qc7 g4 71.Qd6 Kg5 72.Kb4 g3 73.Bd5 Qd4 74.Kb5 Qd3 75.Ka5 Qd2 76.Ka6 Qd3 77.Kb7 Qb1 78.Qb6 Qh7 79.Qc7 Qb1 80.Kc8 Qf5 81.Qd7 Qc2 82.Kd8 Qd2 83.Qg7 Kf5 84.Qh7 Kg5 85.Qe4 Kf6 86.Qf3 Ke5 87.Qe4 Kf6 88.Ke8 Qc1 89.Qd4 Kf5 90.Qc4 Qc4–+ (90...Qc4 91.Bc4 g2–+) 0–1. Acosta,Juan Manuel – Corsi Ferrari,Alejandro, Mar del Plata op, 1992.

7.Bg2 dc4 8.Na3 c6 9.bc6 Nc6 10.Nc4 Be6 11.Nce5 Ne5 12.Be5 b5 13.0-0 Rc8 14.Qb1 b4 15.Qb2 Ne8 16.Rfc1 Rc1 17.Rc1 f6 18.Bf4 Bf7 19.Rc5 e5 20.Be3 Nd6 21.d3 Nf5 22.Bd2 Qb6 23.Rc1 Rb8 24.Bh3 Bf8 25.Qc2 Qb5 26.e4 Nd6 27.Rb1 Qb7 28.a4 g5 29.Qb2 Qc6 30.Ne5 fe5 31.Qe5 h6 32.Rc1 Qe8 33.Qa5 Nb7 34.Qa7 b3 35.Bc3 Nc5 36.Rb1 Qd8 37.Ba5 Qd3 38.Rb2 Rb7 39.Qa8 Qd1 40.Kg2 g4 0–1. Dzieniszewski – Praszak, Jelenia Gora 1985.

7.Bg2 dc4 8.Qc2 c6 9.bc6 (9.Qc4 Be6 10.Qh4 Bd5=) 9...Nc6=+ 10.Qc4 Be6 11.Qc1 (11.Qa4 Qb6 12.Bc3 Rac8=+) 11...Nb4 12.a3 Rc8 13.Nc3 Ne4 14.0-0 (14.Ne4 Rc4 Double attack (14...Rc1 Pinning; 14...Rc1 Deflection; 14...Rc4 Decoy)) 14...Nd5-/+ 15.Rb1 (15.Qe1 Nd2! (15...Bc3?! 16.dc3 Ndc3 17.Rc1=) 16.Nd2 Nc3-/+ (worse 16...Rc3 17.Bc3 Nc3 18.Rc1+=)) 15...Ndc3 (15...Bc3?! 16.dc3 Ndc3 17.Bc3 Nc3 18.Qh6=+) 16.dc3 Nc3 17.Bc3 Rc3 (worse 17...Bc3 18.Rd1 Qc7 19.Qh6=) 18.Qf4 Ra3 19.Rb7 Ra2 20.Ng5 (20.Qe3 Bd5 21.Re7 Bf6-+) 20...Bf5 (20...Re2 21.Ne6 Re6 22.h3-+) 21.e4-/+ Bc8 22.Ra7 Bd4 23.Ra8 Qd6?? (23...e5!? 24.Qc1 Ra1 25.Qd2 Rf1 26.Bf1-/+) 24.Qh4?? (better 24.Rc8 Qf4 25.Rf8 (25.gf4?? Rc8 26.e5 e6-+) 25...Kf8 26.gf4+=) 24...h5-/+ 25.Nf3 (25.e5 Qc5 26.Qf4-+) 25...Bb6 26.e5 Qc6 (26...Qc5 27.g4 Bg4 28.Rf8 Kf8 29.Qg3-+) 27.Nd4 (better 27.Nd2 Qc3 28.Qc4 Qd2 29.Rc8 Rc8 30.Qc8 Kg7 31.e6-+) 27...Qc5 28.e6 (28.Nb3 Qe5 29.Kh1-+) 28...Be6 (better 28...Qd4 29.ef7 Kg7 (29...Kf7?! 30.Qd4 Bd4 31.Bd5 Be6 32.Be6 Ke6 33.Rf8=+) 30.Qd4 Bd4-+) 29.Rf8 (29.Ne6 fe6 30.Qe4 Qf5 31.Rf8 Kf8-+) 29...Kf8-+ 30.Nf3?? (better 30.Ne6 fe6 31.Qf4 Kg7 32.Be4-+) 30...Qf5 (better 30...Rf2 31.Qd4 Rf1 32.Bf1 Qb4-+) 31.Ng5 (31.Nd4 g5 32.Nf5 gh4-+) 31...Bd5 (31...Rf2 32.Nh7 Kg7 33.Qd4 Bd4 34.h4 Rf1 35.Kh2 Qf2 36.g4 Be5 37.Kh3 Bg4) 32.Qf4?? (better 32.g4 Ra4 33.gf5 Rh4 34.Bd5 Rg4 35.Bg2 Rg5 36.Rb1-+) 32…Bg2 (32...Bg2 33.Qf5 gf5 34.Kg2 a4-+) 0-1. Spiritchaser84 (2510) - Alex844 (2560), Rated Bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 c5 8.cd5 Nd5 9.Bg7 Kg7 10.0-0 Nd7 11.d4 (11.Na3 N7f6=) 11...cd4 (11...Qb6 12.e4 N5f6 13.e5+=) 12.Qd4+= N7f6 13.Na3 (13.Ne5 Be6 14.Na3 Nb6 15.Qd8 Rad8 (15...Rfd8? 16.Bb7 Rab8 17.Nc6+–) 16.Bb7 Rd2=) 13...Nb6 (13...Be6 14.Ne5+=) 14.Rfd1 (14.Qe5 Qd6 15.Qd6 ed6=) 14...Qd4 15.Nd4 Rd8 (15...a4 16.Rac1+=) 16.Nb3 Rd1 17.Rd1 Ne8 18.Rd8 (18.Nc5 Nd6 19.Rc1+=) 18...a4 (18...Nc7!?+=) 19.Nc5+/– (19.Re8?? ab3 20.ab3 Ra3–+) 19...Nd6 20.e4 Ra5 (20...f6 21.f4+/–) 21.Bf1 f5 (21...f6 22.f4 Kh6 23.Be2+/–) 22.e5 Nf7 23.Re8 Ne5 24.Re7 Kf6 25.Rc7 (25.Rh7 Nf3 26.Kg2 Ng5+/–) 25...Nf3 (25...h6 26.Bg2 Ra7 27.f4+/–) 26.Kg2+– Ne1 27.Kg1 Ra8?? (27...Nf3 28.Kh1 Nd4+–) 28.f4 (28.Rh7?! Nf3 29.Kh1 Ng5+/–) 28...Nf3 29.Kh1 g5 (29...Nd2 30.Bg2+–) 30.Rh7 Nd5 (30...Kg6 31.Rh8 Nd2 32.Bg2+–) 31.Rh6 Kg7 32.Rd6 Ne3? (32...Nb4 33.Nc4 Na2+–) 33.Be2 g4 34.Nc4 (34.Rd3 b6 35.Na6 Ng2+–) 34...Nc4 35.Bc4 a3 (35...Kf8 36.Kg2+–) 36.Kg2 Kf8 (36...Ra7 37.Rd8 Ra8 38.Be6+–) 37.h4 Ke7 38.Rg6 Nd2 39.Bd5 Ne4 (39...Ra5 40.Rb6 Ne4 41.Ne4 fe4+–) 40.Ne4 fe4 41.Rg8 Kd6 (41...Kf6 42.h5 Ra5 43.Rc8 Rb5 44.h6 Rb2 45.Kg1 Rb1 46.Kf2+–) 42.Bb3 e3 (42...b6 43.h5 Ra5 44.Rc8 Rb5 45.Rd8 Ke7 46.Rd5+–) 43.h5 (43.h5 Ra5 44.Rc8 Rb5 45.Rh8+–) 1–0. David,Alberto (2570) – Rathnakaran,K (2305), Bhopal International Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5)

7.cd5 Qd5

8.a4 c5 9.Bg2= Nbd7 (9...Rd8 10.Qc2=) 10.0-0 Qd6 11.d3 e5 (11...Rd8 12.Nbd2=) 12.Na3 Qe7 13.Nd2 (13.Nc4 e4 14.de4 Ne4 15.Bg7 Kg7+=) 13...Rb8 (13...Ra7 14.Nac4+=) 14.Nac4+/– b6 15.Rc1 (15.Nf3 Ne8+=) 15...Bb7= 16.e4 Ne8 (16...Nh5 17.Bh3 Rbd8 18.Nf3=) 17.Qe2 (17.Qc2 Rd8=) 17...Nc7 (17...Rd8 18.Bh3+=) 18.Nf3 Increases the pressure on e5 (18.f4 ef4 19.Bg7 Kg7 20.gf4 Ne6+=) 18...Rbd8 19.Bc3 (19.Rc2 f6=) 19...f6 20.Bh3 (20.Qe3 Ne6=) 20...Ne6 (20...Bh6 21.Nfd2=) 21.Qb2 (21.Qe3 h6=) 21...Ba8 (21...Rfe8 22.Qc2=) 22.Qb3 Rfe8 23.Nb6 (23.Rfd1 Bb7=) 23...Nb6 24.Ba5 Rd6 (24...c4 25.Rc4 (worse is 25.dc4 Nc5 26.Qb4 Qc7-/+) 25...Nc4 26.Bd8 Nd8 27.Qc4 Kh8 28.Ra1=) 25.Bb6 (25.Be6 Qe6 26.Qe6 Rde6 27.Bb6 Rb6 28.Rc5 f5=) 25...Rb6= 26.a5 Rbb8 (26...Rd6 27.Rc5 f5 A) 28.Ne5? Kf8 (28...fe4?! 29.d4+=) 29.Rc4 Be5–+; B) worse is 28.ef5 gf5 (28...Bf3 29.fe6 Be2 30.Rfc1 Rd3 31.Qa2 Rd1 32.Rd1 Bd1 33.Rd5+–) 29.d4 Bf3 (29...ed4?! 30.Rf5 Be4 31.Rf4=) 30.Qf3 Nd4-/+ (30...Nc5?! 31.dc5 Rdd8 32.c6+=; 30...Rd4?! 31.Rcc1=); C) 28.Rfc1=) 27.b6 (27.Be6 Qe6 28.Qe6 Re6=) 27...Qd6+= 28.Ra1 Kh8 29.Rfb1 f5 30.Nd2 (30.ef5 Nd4 Double attack (30...Bf3 Pinning; 30...Bf3 Deflection; 30...Nd4 Decoy)) 30...Nd4-/+ 31.Qd1 Qc6 (31...Rf8 32.Bg2+=) 32.Bg2+= Rf8 33.Nc4 fe4 (33...Qf6 34.Rb2 fe4 35.Be4 Be4 36.de4+=) 34.de4 (34.Be4!? Qd7 35.a6 Be4 36.de4=) 34...Qf6-/+ 35.Ra2 (35.Rb2 Bc6+=) 35...Qf7 (35...Qe6 36.Qc1 Bb7-/+) 36.Rc2 (36.Qf1!? Bc6 37.Ra3-/+) 36...Bb7 (36...Nc2 37.Qc2 Qf6 38.a6-/+) 37.Nd6-/+ Qd7 (better is 37...Qf6 38.Nb7 Nc2 39.Qc2 Rb7 40.Qc5 Rfb8-/+) 38.Nb7= Qb7 39.Rc5 Qa6 (39...Rf7 40.Qf1+=) 40.Qf1+/– Qa8 41.a6 Rf6 (better is 41...h6!?+/–) 42.b7 Qa7 43.Rc8 Rf8 44.Rb8 (better is 44.Qc4 Ne2 45.Kh1+–) 44...Qb8+/– 45.Qc4 Bf6 (45...Qa7 46.Qb4 Nb3 47.Qb3 Qa6 48.b8Q+–) 46.a7! Qa7 47.Qc8 Ne2 (47...Be7 48.b8Q Qb8 49.Qb8 Rb8 50.Rb8 Kg7+–) 48.Kh1 Be7 49.b8Q Qb8 50.Rb8 Rc8 51.Rc8 Kg7 52.Bf1 (52.Rc7 Kf8+–) 52...Nd4 53.Bc4 (53.Rc7 Kf8+–) 53...h5 (53...Kf6 54.f4 Bd6 55.Rd8+–) 54.Kg2 (54.f4 ef4 55.Rc7 Kf8 56.gf4 h4+–) 54...Bd6 (54...g5 55.Rc7 Kf8 56.Bd5+–) 55.Rg8 (55.Rd8!? Be7 56.Rd5 Bf6+–) 55...Kf6 56.Rd8 Be7 57.Ra8 (57.Rd7 Nc2+–) 57...Kg7 (57...g5 58.Ra6 Kg7 59.Ra7+–) 58.f4 ef4 59.gf4 g5 (59...Bc5 60.Rd8+–) 60.Ra7 (60.Re8!? Bb4 61.fg5 Nc2+–) 60...Kf8 61.fg5 Nc6 (61...Bg5 62.Ra5 Bf6 63.Rh5+–) 62.Ra6 (better is 62.Ra8!? Kg7 63.Rg8 Kh7 64.g6 Kh6+–) 62...Ne5 63.Be2 (63.Ra8 Kg7 64.Rg8 Kh7+–) 63...h4 (63...Bg5 64.Re6 Nd7 65.Bh5+–) 64.Ra5 Nc6 (64...Nf7 65.g6 Nd8 66.Bc4+–) 65.Rf5 (65.Rd5 Nb4 66.Rf5 Kg7+–) 65...Kg7 (65...Kg8 66.Bc4 Kh8 67.Kh3+–) 66.Bh5 Nd8 (66...Bb4 67.Kh3+–) 67.Kh3 Bd6 68.e5 Bb8 (68...Bc5 69.Kh4 Bd4 70.Kg4+–) 69.Kh4 Ne6 (69...Nc6 70.Rf7 Kg8 71.e6+–) 70.Kg4 (70.Rf7 Kh8 71.Bg4 Nf4 72.Rf8 Kg7 73.Rb8 Ng6 74.Kg3 Ne5+–) 70...Nd4 (70...Bc7 71.Rf7 Kg8 72.Re7 Be5 73.Re6+–) 71.Rf7 Kg8 72.e6! Ne6 (72...Ne6 73.h4 Passed pawn) 73.Rb7 Bh2 (73...Bc7 74.Be8+–) 74.Bf7 (74.Bf7 Kf8 75.Be6+–) 1–0. Alsina Leal,D – Ladron De Guevara Pinto,P, Neoclassical Open – Madrid, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5 7.cd5 Qd5)

8.a4 c6 9.Nc3 Qh5 10.Bg2 Bh3 (10...cb5 11.Nb5 Nc6 12.Rc1=) 11.0-0 Ng4 12.Qb3 Nd7 13.Ne4 Bb2 (13...Qd5 14.Qd5 cd5 15.Bg7 Bg2 A) worse is 16.Bf8 Bf1 17.Nc3 Be2 (worse is 17...Kf8 18.Kf1 Ngf6 19.d3=) 18.Ne2 Kf8-/+; B) 16.Kg2 Kg7 17.Nc3=) 14.Qb2 Bg2 15.Kg2 cb5 16.h3 Qf5 17.hg4 (17.d3 Ngf6 18.g4 Qd5=) 17...Qe4 18.Rh1 (18.Qb5 Qg4 19.Rh1 Rfc8=) 18...f6 (18...Qb4 19.Qb4 ab4 20.ab5=) 19.d3+= Qd5 20.e4 (worse is 20.Qb5 Qb5 21.ab5 Rfc8+=) 20...Qd6 (20...Qd3? 21.Rad1 Qe4 22.Rd7+–) 21.Qa2 (21.Qb5 Nc5=) 21...Kg7 (21...e6 22.ab5 Ne5 23.Ne5 fe5 24.Rhc1=) 22.Qd2 Rf7 (22...Kg8 23.Qa2 e6 24.ab5+=) 23.Rh7 (23.ab5 Ne5 24.Rh7 Kh7 25.Rh1 Kg8+–) 23...Kh7 24.Rh1 Kg8 25.Qh6 Rg7 26.Qh8 Kf7 27.Qa8 Qd3 28.g5 ba4 29.gf6 ef6 (29...Kf6 30.Qh8 Qb3 31.e5 Ne5 32.Ne5 Qd5 33.Nf3+–) 30.Qb7 Kg8 (30...g5 31.Rh8 g4 32.Ne1=) 31.e5 (31.Qa8 Nf8+=) 31...Nf8 (31...Ne5 32.Qb8 Kf7 33.Ne5 fe5 34.Qe5+=) 32.Qa8+= Qf5 (32...Qb3 33.ef6 Rf7 34.Qc6=) 33.ef6 Rf7 (33...Rd7 34.Rh4+=) 34.Ra1 (34.Rh4 Qb5+=) 34...Qb5 35.Qe4 (35.Re1 Rf6 36.Re5 Qb3+=) 35...Rf6 36.Qa4 (36.Ra4 Re6 37.Qd4 Rc6+=) 36...Qb7 (36...Qd5 37.Ra3=) 37.Ra3+= Ne6 (37...Rf5 38.Rd3+=) 38.Qa5+/– Rf8 (38...Rf5 39.Qa4+/–) 39.Qe5 Ng7 (39...Qf7 40.Re3 Ng7 41.Rd3+/–) 40.Qe3 (40.Qd6 Qe4+/–) 40...Nf5 41.Qb3 (41.Qe6 Kg7+/–) 41...Qb3 42.Rb3 Re8 (42...Kg7 43.Ne5 Re8 44.Rb7 Re7 45.Re7 Ne7 46.Kf3+/–) 43.g4 Nh6 44.Rb4 (44.Rb6 Kf7 45.Ng5 Kg7 46.Rb7 Kf6+/–) 44...Kg7 45.Rb7 Kg8 (better is 45...Kf8+/–) 46.Rb4 (46.Rb6 Kh7 47.Ng5 Kg7 48.Rb7 Kf6+/–) 46...Kg7 47.Kg3 Re7 (47...Nf7 48.Rb6+/–) 48.Nh4 Re6 49.Rb7 Kg8 (49...Kf6 50.Ng2+=) 50.g5 (50.f4 Nf7+/–) 50...Nf7 51.f4 Ra6 (51...Re3 52.Kg4 Re6 53.Nf3+/–) 52.Kg4 (52.Nf3 Kf8+/–) 52...Rc6 (52...Kg7 53.Nf3 Kf8 54.Nd4+/–) 53.Nf3 (53.Re7 Rb6+/–) 53...Ra6 54.Rd7 (54.Nd4 Rd6 55.Rb8 Kg7+/–) 54...Rb6 (54...Ra1 55.Kg3+/–) 55.Ra7 (55.Re7 Rb1+/–) 55...Re6 (55...Rd6 56.Re7+/–) 56.Nh4 (56.Nd4 Re4 57.Ra8 Kg7+/–) 56...Rb6 (56...Kg7 57.Rb7+/–) 57.Ra5 (57.Re7 Kf8 58.Rc7 Rd6+/–) 57...Rc6 (57...Kf8 58.Ra1+/–) 58.Nf3 Rd6 59.Ne5 (59.Ra8 Kg7+/–) 59...Ne5+= 60.fe5 Rd4 (60...Rc6 61.Ra7+=) 61.Kf3 Kf7 62.Ra6 Rb4?? (better is 62...Rd1+=) 63.Rf6+– Kg7 (63...Ke7+–) 64.e6 Rb1 65.Ke4 Rg1 (65...Rb4 66.Ke5 Rb5 67.Kd6 Rg5 68.Rf7 Kg8 69.Ra7+–) 66.Rf7 Kg8 67.Rf3 Kg7 (67...Re1 68.Kd5 Re2+–) 68.e7 Re1 69.Re3 Re3 70.Ke3 Kf7 71.Ke4 Ke7 72.Ke5 Kf7 73.Kd6 Kg7 74.Ke7 1–0. Choukri,Adel (2265) – Wanyama,Harold (2250), 42nd Olympiad, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5 7.cd5 Qd5)

8.a4 Qh5 9.Bg2 Bh3 10.0-0 c6 11.Na3 Bg2 12.Kg2 cb5 13.Nb5 Nbd7 14.Qb3 Qd5 15.Qa3 Rac8 16.Rac1 g5 17.h3 (worse is 17.Qe7 g4–+) 17...h5 18.Nc7 (worse is 18.Qe7 g4-/+) 18...Rc7 19.Rc7 g4 20.Bf6 Bf6 21.hg4 hg4 22.e4 gf3 23.Qf3 Qe6 24.d4 Bd4 25.Rd1 Ne5 26.Qf5 Qf5 27.ef5 Nc6 ½–½. Ivanov,Vladimir Ivanovich (2410) – Sirota,Anatoli V (2510), IECG, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5 7.cd5 Qd5)

8.a4 Qh5 9.h3 c6 10.Na3 Bd7 11.e3 cb5 12.Nb5 Na6 13.Ne5 Qd1 14.Kd1 Be6 15.Bg2 Nc5 16.Ke2 Nfe4 17.Be4 Ne4 18.d3 Rfc8 19.de4 Rc2 20.Kf3 Rb2 21.Nd3 Rd2 22.Ra3 Bc4 (22...Bc4 23.Nf4 Bb2–+) 0–1. Panchenko,Alexander N (2460) – Sakaev,Konstantin (2570), RUS–ch Elista, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5 7.cd5 Qd5)

8.Nc3 Qc5 9.a4 (9.Bg2 a4 10.a3 Bf5=) 9...Ng4 (9...Qh5 10.d4=) 10.e3 Be6 (10...Rd8 11.d4 Qb6 12.h3=) 11.Be2 (11.h3 Nf6+=) 11...Nd7 (11...Re8 12.Nd4 Bd4 13.Bg4 (worse 13.ed4 Qd4 14.0-0 Rd8-/+) 13...Bg4 14.Qg4=) 12.d4 Qb4 13.Qc1 Bc4 14.Ba3 Be2 15.Nd2 (worse 15.Ke2 Qc4 16.Ke1 Rfe8=+) 15...Bd3? (better 15...Nc5 16.Bb4 Nd3 17.Ke2 Nc1 18.Rhc1 ab4+/-) 16.Bb4 ab4 17.Nd5 e5 18.Nb4 (worse 18.Qc7 Bb5 19.h3 Nh6+-; 18.Nc7?! Rac8 19.Qd1 Nf2 20.Kf2 Rc7+-) 18...Bf5 (18...ed4 19.e4 Nde5+-) 19.e4 ed4 20.ef5 Rfe8 21.Kf1 d3 (21...Rac8 22.fg6 hg6 23.Kg2+-) 22.Ra3 (22.Ra2 Rac8+-) 22...Rad8 (22...Bf8 23.fg6 hg6 24.Qc3+-) 23.Rd3 Nde5 (23...Nge5 24.Re3 Bf8 25.Nd5+-) 24.Rd8 Rd8 25.h3 Nf6 (25...Nh6 26.fg6 fg6 27.Ne4+-) 26.f4 Ned7 (26...Nh5 27.Rg1 Bf8 28.fe5 Bb4 29.Nb3+-) 27.Qc7 (27.Qc7 Ra8 28.a5+-) 1-0. Baranciuc,Alexandr (2025) - Atakishiyev,Elmar (2220), Nizami Ganjavi-880 U17, 2021. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.Nc3 Qh5

9.Bg2 Bh3 10.Bh3 Qh3 11.Rc1 Nbd7 12.d4 c6 13.bc6 bc6 14.Ba3 Rfe8 15.d5 Ng4 16.Rg1 Nde5 17.Ne5 Be5 18.Bc5 Qh2 19.Kf1 Qg2 20.Kg2 1–0. Limayo,Ed – Hund,Gerhard, corr ICCF EM/M, 1997.

9.h3 a4 10.a3 c6 11.bc6 Nc6 12.Na4 Qb5 13.Bf6 Bf6 14.Nc3 Bc3 15.dc3 Qb2 16.Qc1 Qc1 17.Rc1 Ra3 18.Bg2 Ra2 19.e3 (19.Nd4 Nd4 20.cd4 Rd8=) 19...Rd8 20.–0 Be6 21.Rb1 Bc4 22.Rfc1 b5 23.Nd4 Nd4 24.ed4 e5 25.d5 (25.de5 Rdd2=) 25...Bd3 (25...f5 26.Rd1-/+) 26.Rb4+= f5 27.Rd1 e4 28.Rd4 Ra4 29.Bf1 (29.R1d3!? ed3 30.Rd3+=) 29...Rd4-/+ 30.cd4 Bf1 31.Kf1 Rd5 32.Rb1 Kf7 33.Ke2 Ke6 34.Ke3 Kd6 35.g4 Kc6 36.gf5 gf5 37.h4 Rd7 38.Kf4 Rd4–+ 39.Kf5 Kc5 40.h5 b4 41.h6 Rd6 42.Ke4 Rh6 43.f4 Re6 44.Kf5 Re2 45.Rh1 Re7 46.Kf6 Rb7 47.Ke6 b3 48.f5 b2 (48...b2 49.Rb1 Kc4–+) 0–1. Lilein – Koch,KH, Ch, 1967. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d5 7.cd5 Qd5 8.Nc3 Qh5)

5.g3 Na6

6.Qb3 c5 7.b5= Nc7 8.Bg2 d5 9.d3 d4 10.Ba3 Qd6 11.Nbd2 e5 12.Ng5 Qe7 13.Nge4 (13.0-0 Ne6 14.Ne6 Be6=) 13...Nd7+= 14.g4 Ne6 15.h4 Nf4 16.Bf3 f5 17.gf5 gf5 (worse is 17...Rf5 18.Ng3+=) 18.Ng3 Nf6 19.e4? (better is 19.h5 h6 20.Rg1+=) 19...de3–+ 20.fe3 Nd3 21.Qd3 e4 22.Be4 (22.Qe2 Qe5 23.0-0 Qg3 24.Qg2 Qd6–+) 22...fe4 (22...Ne4 23.Nge4 fe4 24.Qd5 Be6 25.Qc5–+) 23.Qb3? (23.Qc2 Qe5 24.0-0-0 Qg3 25.Bc5 Rf7–+) 23...Qe5 (better is 23...Rd8 24.0-0-0 Rd3 25.Qa4–+) 24.0-0-0 Qg3 25.Bc5 Re8 26.h5 h6 27.Nf1? Qc7 28.Bd6 Qf7 29.Rg1 Be6 30.Rd4 Rac8 31.Nd2 Kh8 32.Qb4 Nd5 33.Qb3 Nb6 34.Rg7 Kg7 35.Be5 Kh7 36.Ne4 Bc4 37.Rc4 Qc4 (37...Qc4 38.Qc4 Rc4 39.Bc3 Ree4–+) 0–1. Burke,Steven J (1995) – Savage,Nicholas W (1975), Ascot ENG, Sunningdale Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6)

6.a3 c5

7.bc5 Nc5 8.Bg2 Qb6=.

7.b5 Nc7 8.Bg2 d5 9.d3 dc4 10.dc4 Qd1 11.Kd1 Be6 12.Nbd2 Rfd8 13.Kc2 Ng4 14.Rhf1 (14.Bg7!? Kg7 15.Rhf1=) 14...Bb2=+ 15.Kb2 b6 (better 15...Nh2!? 16.Rfc1 Ng4=+) 16.h3+= Nf6 17.Rad1 Rac8 (17...a6 18.Ne5 ab5 19.Ba8 Ra8 20.g4+=) 18.Ng5 (18.Ne5 Bd7+/-) 18...h6 19.Ne6 Ne6 20.e3 Rd6 21.Ne4 Ne4 22.Be4 Rcd8 23.Bf3 (better 23.Rd6!? Rd6 24.Kc2+=) 23...Rd1=+ 24.Rd1 Rd1 25.Bd1 Kg7 (25...Ng5!?=+) 26.Bf3 Kf6 27.a4 Ke5 28.Kc3 (better 28.Kb3!?+=) 28...Ng5=+ 29.Bc6 Ne6 (better 29...Nh3!? 30.f3 h5=+) 30.f4+= Kd6 31.e4 Nd8 (31...f6!?=) 32.e5+/- Kc7 33.Bd5 e6 34.Be4 Kd7 35.g4 Ke7 36.Kb3 (36.g5!?+/-) 36...f5 37.ef6 Kf6 38.a5 (38.h4!?+=) 38...g5=+ 39.fg5 hg5 40.ab6 ab6 41.Kc3 Ke5 42.Bf3 (42.Bg2 Kf4-+) 42...Kf4-+ 43.Bg2 e5 (43...Kg3 44.Bf1-+) 44.Kd3? (better 44.Bd5!?=+) 44...Nf7-+ 45.Bd5 Nd6 46.Be6? (46.Ke2 e4-+) 46...Kg3?? (better 46...Kf3 47.Kd2 Kf2-+) 47.Ke3-/+ Kh3 48.Bd7? (better 48.Kf3-/+) 48...Kg3 49.Be6 Kh3 (49...e4!? 50.Bd7 Nc4 51.Ke4 Nd2 52.Ke5-+) 50.Kf3 (50.Bd7 Nc4 51.Ke4-+) 50...e4-/+ 51.Ke3 Kg3 52.Bf5 (52.Bd7 Nc4 53.Ke4 Nd2 54.Ke5 Nf3 55.Kd5-+) 52...Nc4 53.Ke4 Nd6 54.Kd5 Nb5 55.Kc6 (55.Kc4 Nd4 56.Bc8-+) 55...Nc3 (better 55...Nd4 56.Kd5 Kf4-+) 56.Kb6-/+ Nd1 57.Kc5 Ne3 58.Kd6 Ng4 59.Be6 Ne3 60.Bg4?? (60.Ke5 Nd1-/+) 60...Ng2 (60...Kg4 61.Kc5 Kf3 62.Kc6 g4 63.Kc5 g3 64.Kb6 g2 65.Kc6 g1Q 66.Kc7 Ke4 67.Kb6 Nd5 68.Kc6 Qb6 69.Kd7 Qc7 70.Ke6 Qe7) 61.Ke5?? (61.Bd7 Kf4-/+) 61...Nf4 (better 61...Kg4 62.Ke4 Kh3-+) 62.Kf5-/+ Nd5 (62...Kh4 63.Bf3-/+) 63.Bh5 (63.Kg5 Ne3=) 63...Ne7 (63...Kh4 64.Bf3 Ne3 65.Ke4-/+) 64.Kf6 (64.Kg5 Nd5=) 64...Nc6 (64...Kh4 65.Bf3 Nc8 66.Ke5-/+) 65.Kf7? (better 65.Kg5 Nd4 66.Bf7=) 65...Nd4-+ 66.Bg6 Ne6?? (66...Kh4 67.Kf6-+) 67.Kg8?? (better 67.Ke6 Kh3 68.Bf5 Kh4 69.Ke5=) 67...Nf4 68.Kh8?? (better 68.Bf5-+) 68...Nh5 (better 68...Ng6 69.Kg7 Nf4-+) 69.Bf7 1-0. Spiritchaser84 (2505) - CristianS27 (2505), Rated Bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.b5 Nc7 8.Bg2 d5 9.cd5 Ncd5 10.0-0 Bg4 11.d3 Qd7 12.Re1 (12.Qb3 Bh3=) 12...Bh3 (12...Qb5 13.Qc2=+) 13.Ne5 (13.Bh3 Qh3 14.Qc2 Rfc8=) 13...Qe6 (13...Qb5 14.Qc2 Bg2 15.Kg2-/+) 14.Bh1 (14.Bh3 Qh3 15.Qc2 Rfc8=) 14...Rfd8 (14...Ng4 15.Bd5 Qd5 16.e4-/+) 15.Nd2 (15.Qc2 Rac8=) 15...Rac8 (better 15...Ng4!? 16.f4 Ne5 17.fe5 Bh6-/+) 16.Ndc4 Ng4 17.Ng4 Qg4? (better 17...Bg4!? 18.Bg7 Kg7+=) 18.Bg7+/- Kg7 19.Qc2 (19.Bd5 Rd5 20.Ne3 Qe6 21.Nd5 Qd5+/-) 19...Kg8 (19...Qg5 20.Rac1+=) 20.Bf3 (20.Bd5!? Rd5 21.Ne3+/-) 20...Qg5 21.Rab1 b6 22.a4 Nf6 23.a5 Bg4 (23...Rb8!?+=) 24.Bg4 Ng4 25.ab6 Qh5 26.h4 g5 (better 26...ab6 27.Nb6 Rb8+/-) 27.Qd2?? (better 27.ba7 gh4 28.e3 hg3 29.fg3+-) 27...gh4+= 28.Qf4 hg3? (better 28...ab6 29.Nb6 e5+=) 29.Qg3+- Kh8 (29...ab6 30.f3 Rd5 31.fg4 Qg6+-) 30.f3?? (30.ba7 Rg8 31.b6 Nf2 32.Qg8 Rg8 33.Kf2-+) 30...Nf6?? (30...Rg8 31.b7 Rb8-+) 31.b7 (31.Qh2!? Rg8 32.Kh1=) 31...Rb8=+ 32.Kf2 Rg8 33.Qf4 Nd5 (33...Rb7 34.Ne5 Rg7 35.Rh1+-) 34.Qe5 Qe5 35.Ne5 Rb7 36.Nf7 Kg7 37.Ne5 Kf6 38.Nc4 (38.Ng4 Ke6=) 38...Nf4 39.Ke3?? (better 39.Rh1=) 39...Ng2-+ 40.Kd2 Ne1 41.Ke1 (41.Re1 Rb5 42.Ra1 Ra8-+) 41...a6! 42.Kd2 (42.ba6 Rg1 Double attack (42...Rb1 Pinning; 42...Rb1 Deflection)) 42...ab5 43.Ne3 Ra8 44.Rc1 Ra2 45.Ke1 c4! 46.dc4 bc4 47.Nc4 (47.Rc4 e6-+) 47...Rc7 48.Rc3 Ra4 49.Re3 (49.Nb6 Rc3 50.Nd5 Ke5 51.Nc3-+) 49...Rac4 50.Kf2 Rc1 51.Re4 R1c2 52.Rg4 h5 53.Rh4 Kg5 54.Rh3 (54.Re4 R2c5-+) 54...h4 55.Rh2 (55.Rh1-+) 55...Re2! 56.Kg1 (56.Ke2 Rc2 Double attack) 56...Rcc2 (56...Rc1) 57.Re2 Re2 58.Kf1 Rb2 59.f4 Kf4 60.Ke1 e5 (60...h3 61.Kd1 h2 62.Kc1 Rf2 63.Kd1 h1Q) 61.Kd1 h3 62.Kc1 Rf2 (62...Rg2 63.Kd1 h2 64.Ke1 h1Q) 63.Kd1 Kf3 64.Ke1 h2 65.Kd1 h1Q 0-1. Spiritchaser84 (2515) - CristianS27 (2505), Rated Bullet game, lichess.org, 2019. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 cb4+= 8.ab4 (8.0-0 d5+=) 8...Nb4 9.0-0 (9.Qa4 a5-/+) 9...d5-/+ 10.Qb3 (10.Bc3 Nc6-/+) 10...Nc6 (10...a5 11.Rc1-/+) 11.cd5 (11.d3 dc4 12.Qc4 Bg4+=) 11...Qd5 12.Qd5 (12.Qa4 Qh5-/+) 12...Nd5 13.Bg7 Kg7 14.d4 (14.Ne5 Ne5 15.Bd5 Rd8-/+) 14...Bf5 (14...Rd8 15.Rc1-/+) 15.Nfd2 (15.Ne5 Ndb4 16.Nc6 Nc6 17.Bc6 bc6-/+) 15...Bb1 (15...Ndb4 16.Nb3-/+) 16.Rfb1 (16.Bd5!? Bf5 17.Bc6 bc6 18.Rfc1+=) 16...Nc3-/+ 17.Rb7 Ne2 18.Kf1 Ned4 19.Nb3 Nb3 (19...e5 20.Nd4 Nd4 21.Rba7 Ra7 22.Ra7-/+) 20.Rb3 Rac8 21.Bc6 (21.Rb7 e5-/+) 21...Rc6 22.Ra7 Re6 (22...e5 23.Ke2-/+) 23.Re3 (23.Rbb7 Kf6-/+) 23...Re3 24.fe3 Kf6 25.Kf2 (25.Ke2 Rb8 26.Kf3 h5-/+) 25...Rb8 26.h4 Rb2 27.Kf3 Rb5 (27...h5 28.Ra6 Kg7 29.Ra7-/+) 28.Rc7 (28.Ra6 e6-/+) 28...Rf5 29.Ke4 Rf1 30.Ra7 (30.Rb7 h5-/+) 30...e6 (30...h5 31.Rb7-/+) 31.Rb7 (31.Ra8 h5-/+) 31...Kg7 (31...Rc1 32.Rb4-/+) 32.Ra7 (32.Rc7 h5-/+) 32...Kh6 (better is 32...h5-/+) 33.Ke5? (better is 33.Kd3-/+) 33...Kh5–+ 34.Ra4 Rf3 35.Rf4 Re3 (better is 35...Rf4 36.Kf4 f5 37.Kf3–+) 36.Kd4 Rg3 37.Rf7 h6 38.Rh7 Rg4 39.Ke5 Rh4 (39...Kh4?! 40.Rh6 Kg5 41.Rh1–+) 40.Ke6 Rf4 0–1. Houska,Bronislav (2065) – Kapusta,Petr (2095), TCh–CZE, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6)

6.Qb3 c6

7.Bg2 d5 8.c5 b6 9.d4 (9.Bd4!?+=) 9...bc5-/+ 10.dc5 Rb8 11.a3 Nc5! 12.Qc2 (12.bc5 Rb5 Double attack (12...Rb3 Pinning; 12...Rb3 Deflection; 12...Rb5 Decoy)) 12...Nce4 13.0-0 Bb7 (13...a5 14.Be5 Rb6 15.Nd4 ab4 16.ab4-/+) 14.Nbd2 Rc8 (14...Nd2 15.Nd2 a5 16.Be5+=) 15.Nb3 (15.Ne4 Ne4 16.Bg7 Kg7=) 15...Ba6 16.Bd4 Qc7 17.Rac1 Bh6 18.Rb1 Nd7 19.Nc5 (19.Qb2 Nd6+=) 19...Ndc5 (19...Nec5 20.Bc5 Bc4 21.Bd4-/+) 20.Bc5 Nc5 21.Qc5 e5 22.Rfe1 Rfe8 23.e3 (23.h3 Bc4 24.e4 Bd3 25.ed5 cd5 26.Qc7 Rc7-/+) 23...Bf8 24.Qc3 c5 25.b5 Bb7 26.a4 (26.e4 de4 27.Nd2 f5–+) 26...e4–+ 27.Nd2 Bg7 28.Qc2 c4 29.Rbc1 Qa5 Black prepares c3 30.Nb1 c3 31.Qb3? (better is 31.f3–+) 31...c2! 32.Na3 Rc3 (32...Rc3 33.Qa2 Rec8–+) 0–1. Kievelitz,Bernd (2165) – Gutman,Lev (2470), Bad Zwesten op 4th, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Bg2 d5 8.cd5 Qd5 9.Qd5 Nd5 (9...cd5 10.a3=) 10.Bg7 Kg7 11.a3 Nac7 12.0-0 Rd8 13.Rc1 Bg4 14.d3 a5 15.ba5 Ra5 16.Nbd2 Rda8 17.Nc4 R5a6 18.Rab1 Nb5 Attacks the isolani on a3 19.h3 (19.Rb2!?=) 19...Bc8+= (worse is 19...Na3 20.Rb7 (worse is 20.hg4 Nb1 21.Rb1 b5+=) 20...Nc4 21.dc4+=) 20.Nfd2? (better is 20.e4!? Nb6 21.Nb6 Rb6 22.Bf1-/+) 20...Ndc3–+ (20...Ndc3 21.Kf1 Nb1 22.Nb1 Be6–+; 20...Na3?! 21.Rb3 Nc4 22.dc4-/+) 0–1. jvanmechelen (2435) – bigart (2720), net–chess.com, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.Qb3 c6)

6.Qb3 d5

7.d3 c5 8.b5 Nc7 9.Bg2 d4 10.0-0 Re8 (10...Bf5 11.h3=) 11.Nbd2 e5 12.Ne4 (12.e3 Bg4=) 12...Ne4+= 13.de4 Re7 (13...Be6 14.Qd3+=) 14.a4 (14.Bc1 Ne6=) 14...Ne8 15.Ne1 (15.Qd3 Nd6=) 15...Nd6 16.a5 Be6 17.Ra4 b6 (17...a6 18.b6+=) 18.Nd3 (18.a6 Qd7 19.Nf3 Bh3+=) 18...Rb8 (18...a6!? 19.ab6 ab5 20.Ra8 Qa8+=) 19.ab6 ab6 20.Rfa1 Bc8 (20...f5 21.ef5 Bf5 22.Bd5 Be6 23.Bc6=) 21.Bc1 Bb7 22.f3 Re8 23.Nf2 (23.Ra7 Ra8=) 23...Qe7 24.e3 f5 (24...Ra8 25.Qd3=) 25.ed4 (25.ef5 gf5 26.ed4 ed4=) 25...ed4 (worse is 25...cd4 26.c5 Nf7 27.c6+/–) 26.Bf4 fe4 27.fe4 Be5 28.Re1 (28.Be5!? Qe5 29.Re1=) 28...Bf4-/+ 29.gf4 Qf7 30.Qg3 (30.f5 Kh8 31.f6 Qf6-/+) 30...Kh8 31.e5 (31.Nh3 Nc4 (31...Be4?! 32.Ng5 Qf5 33.Qh4+=) 32.Ng5 Qg8-/+) 31...Bg2 32.Kg2 (32.Qg2 Nc4 33.Ng4 Re7-/+) 32...Nf5 (32...Nc4!? 33.Kg1-/+) 33.Qd3-/+ Ne3 34.Re3 de3 35.Qe3 g5 36.fg5 Qf5 37.h4 Re5 38.Qg3 (38.Qh3 Qf7 39.Qc3 Qg7+=) 38...Rf8 39.Ra2 (39.Ra7 Kg8 40.Ra2 Re1-/+) 39...Qe6 (39...Rd5!–+) 40.Qc3-/+ Kg8 41.Ra7 (better is 41.Qd3 Rf7 42.Qc3-/+) 41...Qf5–+ 42.Ra2 Qf4 43.Qg3 (43.g6 hg6 44.Qg3 Re7–+) 43...Qc4 44.Rd2 (44.Qe5 Qa2 45.Qe3 Qb2–+) 44...Re2 (44...Re2 45.Re2 Qe2–+) 0–1. Jessel,Stephen (2380) – Grigoriants,Sergey (2560), Gibraltar Masters, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.Qb3 d5)

7.cd5 Qd5 8.Qd5 Nd5 9.Bg7 Kg7 10.a3 c5 11.Nc3 Be6 12.bc5 Nc3-/+ 13.dc3 Nc5 14.Bg2 Bc4 15.Nd2 Ba6 16.c4 Rad8 17.0-0-0 Rd4 18.e3 Rd7 19.Kc2 Nd3 20.Rhf1 Rc8 21.Bf3 b5 22.Kb3?? (better is 22.Kc3-/+) 22...bc4–+ 23.Kc3 Nb2!! 24.Rb1 (24.Kb2 c3 Deflection (24...c3 Passed pawn)) 24...Na4 (24...Rd2!? 25.Be4 f5 26.Bc2 Rc2 27.Kc2–+) 25.Kb4 c3 26.Ka4 c2 (worse is 26...Rd2 27.Bb7 Bb7 28.Rb7–+; worse is 26...cd2 27.Rfd1 Bd3 28.Rd2 Bc2 29.Rc2 Rc2 30.Bb7–+) 27.Rbc1 (27.Nb3 Rd6 28.Rfc1 cb1R 29.Rb1–+) 27...Rd2 (27...Rd2 28.Rfe1 Rb8 29.Rc2 Rc2–+) 0–1. Hoefelsauer,T (2265) – Bai,Jinshi (2440), 31st Boeblinger Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6)

7.cd5 Qd5 8.Qd5 Nd5 9.Bg7 Kg7 10.a3 c5 11.Nc3 Be6 12.e4 Nc3 13.dc3 Rac8 14.Be2 Nb8 15.0-0 h6 16.Ne5 cb4 17.ab4 a6 18.Ra3 Rfd8 19.Rd1 Rd1 20.Bd1 f6 21.Bg4 Bg4 22.Ng4 Nc6 23.Ne3 Ne5 24.Kg2 Nf7 25.Nd5 Kf8 26.Nb6 Rc6 27.Nd7 Ke8 28.Nc5 Nd6 29.f3 g5 30.Ra1 Rc8 31.h4 Kf7 32.hg5 hg5 33.Kf2 b6 34.e5 fe5 35.Ne4 Ne4 36.fe4 Rc3 37.Ra6 Rc4 38.Rb6 Re4 39.b5 Rb4 40.Ke3 e4 41.Rb7 Kf6 42.g4 e6 43.b6 Ke5 44.Ke2 Kf4 45.Rf7 Kg4 46.b7 Rb3 47.Kd1 e3 48.Ke2 e5 49.Kd1 Kg3 50.Ke2 g4 51.Kd1 Rb2 52.Ke1? Kg2 53.Rh7 g3 54.Rf7 e2 0–1. Gardner,Allan – Eldridge,Mark (2290), BCCA/Gold/2012 (ENG), 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6)

6.b5 Nc5

7.Bg2 a6

8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.cd5 Qd5 12.0-0 Qh5 13.Qc2 b6 14.d3 Bb7 15.Nbd2 Ra8 16.Be5 Ne6 17.d4 (17.Bc7? Rc8–+ (17...Qb5 18.Rb1 Qc6 19.Qc6 Bc6 20.Bb6+=; 17...Nc7? 18.Qc7 Bd5 19.Nc4+–)) 17...Nd7 (17...g5 18.e4= (18.Bc7? Rc8–+)) 18.Bg7+= Kg7 19.Ng5 (19.Rb1!?+=) 19...Qg5 (better is 19...Nd4!? 20.Qb2 Bg2 (20...Qg5? 21.Qd4 Nf6 22.Bb7+–) 21.Qd4 Nf6 22.Kg2 Qg5-/+) 20.Bb7= Ra7 21.Nf3 Qf6 (worse is 21...Qb5 22.Bc6 Qb4 23.Bd7 Nd4 24.Nd4 Qd4 25.Bb5+/–) 22.Bc6 Nd4 23.Nd4 Qd4 24.Kg2 (24.Rd1 Ra1 25.Ra1 Qa1 26.Kg2 Nc5+=) 24...Nf6 (24...Ne5 25.e3 Qd3 26.Qd3 Nd3 27.Be4+=) 25.Rd1= Qe5 (25...Qa4 26.Qa4 Ra4 27.f4+=) 26.h3 Ra3 27.Rd8 h5 28.Qd2 (28.Rd3 Rd3 29.Qd3 h4=) 28...g5 (28...Ne4 29.Qd4 Qd4 30.Rd4-/+) 29.e3 (29.Rd4 g4 30.hg4 hg4+=) 29...h4+= 30.Qd4 (30.gh4 gh4 31.Qb4 Qg5 32.Kf3 Ra2+=) 30...Qd4 31.Rd4 hg3 32.Kg3 Rc3 33.Rd8 e6 34.Rc8 Nd5 35.Kg4 Rc5 36.Kf3 Kf6 37.e4 (37.Kg4 Nc3-/+) 37...Nc3 38.Kg4 Nb5 39.Bb5 Rb5 40.Rc7 Kg6 41.Rc8 Rb4 42.Kf3 (42.Rg8 Kf6 43.f3 Rb1–+) 42...Rb3–+ 43.Kg2 b5 44.Rb8 (44.Rh8 b4–+) 44...b4 45.Rb6 Kf6 46.Rb5 Rb1 47.Kf3 b3 48.Kg4 b2 49.Kf3 Ke7 50.Rb6 Kd7 51.Rb7 (51.Ke2 f6–+) 51...Kc6 52.Rb8 Kc5 53.Rc8 Kd4 54.Rd8 Ke5 55.Rb8 f6 56.Rb5 Kd4 57.Rb8 Kc3 58.Rc8 Kd2 59.Rb8 Ke1 60.Kg2 Ke2 61.Rb7 Kd3 62.Kf3 Kd4 (62...f5 63.ef5 ef5 64.Rb8–+) 63.Rb8 Rc1 (better is 63...e5–+) 64.Rb2-/+ Rc3 65.Kg2 Ke4 66.Rb4 Kf5 67.Ra4 (67.h4 gh4 68.Rh4 e5-/+) 67...Rd3 68.Rb4 Ke5 (68...e5 69.Rb8–+) 69.h4-/+ gh4 70.Rh4 f5 71.Ra4 Rd4 72.Ra2 Kf4 73.Ra3 e5 74.Rf3 Kg5 75.Ra3 Rg4 76.Kf3 Rf4 77.Ke2 Re4 78.Kf3 Re1 79.Kg2 Kf4 80.Rf3 Ke4 81.Ra3 Rc1 82.Ra4 Kd5 83.Ra5 Rc5 84.Ra3 f4 (84...e4 85.Kg3 Ke5 86.Ra8–+) 85.Kf3-/+ Rc8 86.Ra5 Ke6 87.Ke4 (87.Ra7 Rc2-/+) 87...Rc4 88.Kd3 Rd4 89.Ke2 Kf5 (89...e4 90.Ra8–+) 90.f3 Rb4 91.Kf2 Rb2 92.Kf1 Ke6 93.Ke1 Kd6 94.Kf1 Rc2 95.Ke1 Rc5 (95...Rh2 96.Ra6 Kd5 97.Ra5 Ke6 98.Ra6 Kf5 99.Ra8–+) 96.Ra2 Kd5 97.Ke2 Kd4 98.Rd2 Kc3 99.Rd3 Kb2 100.Rd2 Kb3 101.Rd3 Kc4 102.Rd2 Ra5 103.Rc2 Kd5 104.Rd2 Ke6 105.Rb2 Kf5 106.Kf2 Kg5 107.Re2 Kh4 108.Kg2 Rb5 109.Kh2 (109.Ra2 Kg5-/+) 109...Rb8 (109...Rb3 110.Rf2–+) 110.Kg2-/+ Rg8 111.Kf2 Ra8 112.Kg2 Ra5 ½–½. Hoefelsauer,Thomas (2225) – Kollars,Dmitrij (2410), Bargteheide Germany, Haspa Schachpokal, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.b5 Nc5)

8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.cd5 Qd5 12.0-0 Qh5 13.Qc2 b6 14.Be5 Bb7 15.Qb2 (15.d4 Ne6 16.Nbd2 g5+=) 15...Ra8 (15...Nd3 16.ed3 Bf3 17.Bf3 Qf3 18.Qd4+=) 16.d4 (16.h3 Bf3 17.Bf3 Qh3=) 16...Ng4+= 17.Bg7 (17.dc5?? Bf3 (17...Ne5?! 18.Ne5 Be5 19.Qd2 Bg2 20.Kg2+=) 18.h3 Bg2 (18...Be5?! 19.hg4 Bg4 20.Qb4 bc5 21.Qc5-/+; 18...Ne5?! 19.ef3 Nf3 20.Bf3 Qf3 21.Qb4–+; 18...Qe5?! 19.Qe5 Ne5 20.ef3+=) 19.Kg2 Ne5 (19...Be5?! 20.hg4 Bb2 21.gh5-/+; worse is 19...Qe5 20.Qe5 Ne5 21.Rc1–+) 20.cb6 Nc4–+) 17...Bf3 18.h3 Bg2 (18...Kg7?? 19.hg4 (19.Bf3?! Qh3 20.dc5 f6 21.Bg4 Qg4+–; 19.ef3?! Nf6 20.dc5 Qc5+–) 19...Nd3 20.gh5 (20.ef3?! Nb2 21.gh5 Rd8+–; worse is 20.Bf3 Nb2 21.gh5 Ra4+–; 20.ed3?! Qg4 21.d5 Kg8+–) 20...Nb2 21.Bf3+– (21.ef3?! Rd8+–)) 19.Kg2 Qd5 20.Kg1 Na4 (20...Ne4 21.hg4 Kg7 22.e3-/+) 21.Qb4= Kg7 22.hg4 Ra5 Exerts pressure on the isolated pawn 23.Na3 Qd6 24.Qd6 cd6 25.Rc1 Nb2 26.Rc3 Ra4 (26...h6 27.e4=) 27.Nc2 d5 28.Rc6 Nc4 29.Ne3 Ne3 30.fe3 e5 31.de5 Re4 (better is 31...Rg4!? 32.Kf2 Rg5 33.Rb6 Rf5 34.Kg1 Re5=) 32.Kf2+/– Re5 33.Rb6 Re4 34.Kf3 (34.g5 Re5+/–) 34...Rb4 35.g5 h6 36.gh6 Kh6 37.Rb8 f5 38.b6 Kg5 39.Rd8 Rb6 40.Rd5 Rb3 41.Rd3 Rb4 42.Rd4 Rb3 43.Kf2 Rb5 (43...Kf6!?=) 44.e4+/– Re5 45.Kf3 Re7 46.Ra4 Re5 47.ef5 gf5 48.g4 Rb5 49.gf5 ½–½. Hoefelsauer,Thomas (2225) – Colpe,Malte (2375), Bargteheide Germany, Haspa Schachpokal, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.b5 Nc5)

8.Qc2 d6 9.Nc3 e5 10.d3 Re8 11.Nd2 Bd7 12.0-0 Qc8 13.Nb3 Ne6 14.e3 Ng5 15.a4 Bh3 16.f3 h5 (16...Bg2 17.Qg2 ab5 18.ab5 Ra1 19.Ba1=) 17.Rac1 Bg2 18.Qg2 Nh3 19.Kh1 g5 20.e4 Kh7 21.Rc2 Rg8 (21...h4 22.Nd5 ab5 23.ab5 hg3 24.Nf6 Bf6 25.hg3=) 22.Bc1 Bh6 23.Qe2 Rg6 24.Nd1 ab5 25.ab5 h4 26.g4 c6 27.Nc3 Nd7 28.Be3 Nf8 29.Kg2 Nf4 30.Bf4 gf4 31.Ra2 Ra2 32.Qa2 f5 33.ef5 Qf5 34.Qe2 Qd7 35.Ra1 Ne6 36.Ra7 Nd4? 37.Nd4+– ed4 38.bc6 Qc6 39.Qe4 d5 40.Nd5 Bg7 41.Rb7!! Qb7 42.Nf6!! Bf6 43.Qb7 Kg8 44.Qb8 Kf7 45.Qf4 Rg8 46.Kh3 Rg7 47.Qf5 1–0. Kozak,Petr (2155) – Drtina,Milan (2300), CZE–chT2e, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6)

8.d4 Nce4 9.0-0 ab5 10.cb5 c6 11.Nc3 cb5 12.Qb3 d5=.

8.d4 Nce4 9.0-0 ab5 10.cb5 c6 11.bc6 (11.Nc3 cb5 12.Qb3 d5=) 11...bc6 (11...dc6 12.Nbd2+=) 12.Nfd2 (12.Qc2 Qb6=) 12...Nd2 (12...d5 13.Qc2=) 13.Nd2 Ba6 (13...d5 14.a4=) 14.Bf3 (14.Nb3 Bc4=) 14...Qb6 (14...Nd5 15.Qc2=) 15.Qc2 Nd5 16.Nb3 Rfb8 17.Rfb1 Nb4 18.Qd2 (18.Qd1 Bc4=) 18...Na2+= 19.Ba3 (19.Nc5!? Bc8 20.Be4+=) 19...Bc4-/+ 20.Na5 (20.Bc5!? Qa6 21.Na5 Rb1 22.Rb1-/+) 20...Qb1–+ 21.Rb1 Rb1 22.Kg2 Be6 23.d5 cd5 24.Bd5? (better is 24.Qa2 Ra1 25.Qb3-/+) 24...Bc3–+ 25.Qa2 Ra1 (25...Ra1 26.Qb3 Bd5 (26...Ba5 27.Bb2 Rb1 28.Be6 de6 29.Qc2+=; 26...Ra5?! 27.Be6 R1a3 28.Qb8 Kg7 29.Bd7-/+) 27.Qd5 Ra5 28.Qd7 R1a3 29.Qe7 h6–+; 25...Ra5?! 26.Qb1 Bd5 27.e4 Ra3 28.ed5+=) 0–1. Banawa,Joel Cholo B (2355) – Gao,Rui (2455), 23. North American Open, 2013. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.b5 Nc5)

8.d4 Nce4 9.0-0 ab5 10.cb5 c6 11.Nfd2 d5 12.Nc3 (12.bc6 bc6 13.Qc2 Qb6=) 12...Nc3+= 13.Bc3 cb5 14.Qb3 Bd7 (14...b6 15.Qb5 Ba6 16.Qb4+=) 15.Bb4 (15.e3 Qb6=) 15...Bc6 (15...Bf5 16.Rfc1+=) 16.Rad1 (16.Rfc1 Qd7=) 16...Re8 (16...Qd7 17.Rb1+=) 17.Rfe1 (17.e3 Qb8=) 17...e6 (17...Qd7 18.Rc1+=) 18.Nb1 (18.e3 Ne4+=) 18...Nd7 19.Nc3 Nb6 20.e3 Qd7 (20...Nc4 21.Re2+=) 21.Ne2 (21.Rc1 Nc4+=) 21...Nc4 22.Nf4 Bf8 (22...Rec8 23.Rb1+=) 23.Bf8 (23.Re2 Bb4 24.Qb4 Qe7 25.Qe7 Re7+=) 23...Rf8 24.h4 (24.Re2 Ra3 25.Qb1 g5+=) 24...Ra3 25.Qb1 f5 (25...Rfa8 26.Re2-/+) 26.Nd3 (26.Rc1 Rc8+=) 26...Rfa8 27.Re2 Qd6 28.h5 (28.Rc1 Qd8+=) 28...g5-/+ 29.Nc5 (29.Bf3!?-/+) 29...b6 30.Nd3 Be8 31.g4 (better is 31.Bf3!?–+) 31...fg4 32.e4 Bh5 33.ed5 ed5 34.Re5 Ne5 35.de5 Qf8 (better is 35...Qd8 36.Nb4 g3 37.Bd5 Kg7–+) 36.Bd5-/+ Kh8 37.Ba8 Ra8 38.Qb2 (38.Qb5 Ra2 39.e6 Qf6+=) 38...g3! 39.Rf1 (39.fg3 Qf3 Double attack (39...Bd1 Discovered attack; 39...Qf3 Decoy)) 39...Qf5–+ 40.e6 (40.Ne1 Qg4 41.Ng2-/+) 40...Kg8 41.Ne5 gf2 (41...Qh3 42.fg3 Qg3 43.Qg2 Qe3 44.Kh1–+) 42.Rf2 Qe6 0–1. Remlinger,Larry (2300) – Shankland,Samuel L (2600), Bay Area International, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Na6 6.b5 Nc5)

5.g3 b6

6.d3 Bb7

6.Bg2 Bb7

7.0-0 a6 8.d3 (8.d4 d5 9.Nbd2 Nc6=) 8...d6 (8...Nc6 9.Qb3=) 9.Nbd2 (9.Nc3 Nc6=) 9...Nbd7 (9...Nc6 10.Qb3=) 10.a3 (10.Qb3 e5=) 10...c5= 11.Rb1 (11.Ng5 Bg2 12.Kg2 Qc7=) 11...Qc7 12.Nb3 (12.Qc2 Rab8=) 12...cb4 (12...Ng4 13.h3 Bb2 14.Rb2=) 13.ab4+= Rac8 (13...Ng4 14.Qd2+=) 14.e4 e6 (14...Rfe8 15.Qe2+=) 15.Re1 (15.Qe2 Rfe8+=) 15...Rfd8 (15...Rfe8 16.Qe2+=) 16.Qe2 (16.Ra1 Re8+=) 16...Qb8 (16...Nh5 17.Nbd4+=) 17.Bh3 (17.Ra1 Qc7+=) 17...b5 (17...Ne5 18.Ng5+=) 18.cb5 ab5 19.Nfd4 (19.Ra1 e5+=) 19...Ba8 (19...e5 20.Nf3=) 20.Rbc1 (better is 20.Ra1+=) 20...Qb6? (20...e5 21.Nf3+=) 21.Qe3 (better is 21.Rc8!? Rc8 22.Ne6 fe6 23.Be6 Kh8 24.Bf6 Bf6 25.Bd7+–) 21...Rc1 (21...e5 22.Rc8 Rc8 23.Rc1=) 22.Rc1 Ne5 (22...h5 23.Qe2+=) 23.Bf1 (23.Ra1 Ne8+=) 23...d5= 24.Nc5 (24.f3 de4 25.de4 Nf3 26.Qf3 e5+=) 24...Nfg4 (better is 24...de4 25.de4 Neg4-/+) 25.Qe2= h5 26.h3 Nh6 (26...de4 27.de4 (worse is 27.hg4 ed3 28.Nd3 Ng4-/+) 27...Nc4 28.hg4 Nb2 A) 29.Qb2 Bd4 (worse is 29...Rd4 30.Qa2 Rd8 31.gh5 gh5 32.Qe2+=) 30.Qe2 Qd6-/+; B) 29.Qb5?! Qd6 30.Ndb3 hg4=; C) 29.Nb5 hg4 30.Qe3=) 27.Bg2 (better is 27.Qe3+/–) 27...de4= 28.Be4 Be4 29.Qe4 (better is 29.de4 Nc4 30.Rc4 bc4 31.Qc4=) 29...Rd5?? (29...Nd3!? 30.Qd3 Bd4 31.Bd4 Nf5-/+) 30.Rd1?? (30.Ra1 Nd3 A) 31.Qd3?! Nf5+/–; B) worse is 31.Nd3 Bd4 32.Bd4 Qd4 (32...Rd4?! 33.Ra8 Rd8 34.Nc5=) 33.Qd4 Rd4-/+; C) 31.Nde6 Rc5 C1) 32.Bg7?! C11) 32...Qe6 33.Qe6 (33.Qd3?! Rd5 34.Bb2 Kf8 35.Ra8 Ke7+–) 33...fe6 34.bc5+–; C12) 32...Rc8 33.Qd3 Nf5+=; C2) 32.Ng7?! Rc1 33.Bc1 Qf2 34.Kh1 Qf1 35.Kh2 Ne1 36.Ra8 Kh7=; C3) 32.Ra8 Kh7 33.bc5 (33.Nc5?! Nb2 34.Qe8 Qc7=; worse is 33.Qd3 Qe6 34.bc5 Bb2+=) 33...Qe6 34.Qe6 (34.Qd3 Bb2 35.Rd8 Bf6-/+) 34...fe6 35.Bg7 Nc5 36.Bd4+–) 30...Nf5= 31.Nf5 gf5 32.Qe2 h4 33.gh4 Qd8 34.f4? (better is 34.Ra1!?=) 34...Ng6-/+ 35.Bg7 Kg7 36.Qb2 (36.Qe1 Rd4-/+) 36...Kh6 (36...Kh7 37.Ra1 Nf4 38.Ra7–+) 37.Kh2 (better is 37.Rf1!?-/+) 37...Qh4–+ 38.Rf1 Rd8 39.Qf2 (39.Qd2 Rd4–+) 39...Qf2 40.Rf2 Rd4 41.Kg3 Rb4 42.Rf1 (42.Rf3 Kh5–+) 42...Rd4 43.Rf3 Ne7 (43...e5 44.fe5 f4 45.Kh2 Ne5 46.Rf2–+) 44.Nb3 (44.Rf1 b4–+) 44...Rb4 45.d4 (45.Na5 Nd5–+) 45...Nd5 46.Rd3 Rc4 47.Nd2 Rc3 48.Rc3 Nc3 49.Nb3 Kh5 50.Kf3?! (50.Nc1–+) 50...Kh4 51.Kg2 (51.Nc1 Nd5–+) 51...b4 (51...Nd5 52.Kf3–+) 52.Kf3 (52.Nc5 Nd5 53.Kf3 Kh3–+) 52...Kh3 53.Nc5 (53.Nc1 Nd5–+) 53...Nd5 (better is 53...Kh4 54.Nb3–+) 54.Nd3 (54.Nb3 Kh4–+) 54...b3 55.Nf2 (55.Nb2 Nb4–+) 55...Kh2 56.Nd3 (56.Nd1 Nb4–+) 56...Nb4! 57.Nb2 (57.Nb4 b2 Passed pawn) 57...Nc2 58.d5 (58.Nc4–+) 58...ed5 59.Ke2 Kg3 60.Kd3 (60.Na4–+) 60...Kf4 61.Kc3 Ke3 62.Kb3 Kd2 0–1. Duong,Tha (2155) – Chiku_Ratte,Olivier_Kenta (2340), Mont–Royal Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.0-0 Na6 8.a3 c5 9.b5 Nc7 10.a4 d5 11.cd5 Ncd5 12.Na3 e6 13.Nc4 Qe7 (13...a6 14.Qb3=) 14.Qb3 (14.a5 Rad8+=) 14...Rfd8 (14...a6 15.a5 ab5 16.Nb6 Nb6 17.ab6=) 15.Rfd1 (15.a5 ba5 16.Na5 Rab8+=) 15...Qf8 (15...a6!?=) 16.a5+= Nd7 (16...ba5 17.Na5 Rab8 18.Be5+/–) 17.Bg7+/– Qg7 18.a6 Bc8 19.e4 Ne7 20.d4 cd4 (20...g5 21.dc5 g4 22.c6 gf3 23.cd7 fg2 24.dc8B Rac8 25.Rd8 Rd8 26.Rd1+/–) 21.Rd4 Rf8 22.Rad1 Nc5 23.Qa3 f5 (23...f6 24.Qa2+/–) 24.Nfe5 (24.e5 f4+–) 24...fe4+/– 25.Be4 Ne4 26.Re4 Nd5 27.Ne3 Qf6 28.N3g4 Qg7 29.Qb3 Kh8 (29...Rb8 30.Red4+–) 30.Ne3+– Qf6 31.f4 g5 32.Nd5 (32.Qd3 Kg7 33.fg5 Qf2 34.Kh1 Ne3 35.Re3 Rf5+–) 32...ed5+/– 33.Qd5 Be6 (33...Bf5!? 34.Red4 gf4 35.gf4 Rg8 36.Kh1 Raf8+/–) 34.Ng6+– Qg6 35.Re6 (35.Qe6?! Qe6 36.Re6 gf4+/–) 35...Qf7 (35...Qg7 36.fg5 Rae8 37.Re8 Re8 38.Rf1+–) 36.Qe5 Kg8 (36...Qg7 37.Rd7 Qe5 38.fe5+–) 37.Qg5 Kh8 (37...Qg7 38.Qg7 Kg7 39.Rd7 Rf7+–) 38.Re7 Qf6 (38...Qg6 39.Qg6 hg6 40.Rdd7+–) 39.Qf6 Rf6 40.Rdd7 (40...Rf5 41.Rh7 Kg8 42.Kf2+–) 1–0. Munoz,J – Diez,V, Valencia Aut.equipos, 1989.

7.0-0 Nc6 8.a3+=.

7.0-0 Nc6 8.Qa4=.

7.0-0 d5 8.Qc2 a5 9.b5 c5 10.e3 (10.cd5 Qd5 11.Nc3 Qd6+=) 10...Nbd7 11.Na3 e6 12.Rfd1 Rc8 13.Rac1 Qe7 14.d4 cd4 15.ed4 (worse is 15.Rd4 Ne4 16.Rdd1 Qb4-/+) 15...Bh6 16.Nd2 Ne4 17.f4 (worse is 17.Be4 de4 18.Qc3 Bg7-/+) 17...f5 18.Be4? (better is 18.Nab1!? Qf7 19.Ba3=) 18...fe4–+ 19.Qb3 (19.Nab1 Bg7 20.Qc3 Rf5–+) 19...g5 20.fg5?? (20.Nc2 gf4 21.Ba3–+) 20...Qg5 21.Rc2 (21.c5 e3 22.c6 ed2 23.Rb1–+) 21...e3 22.c5 ed2 (better is 22...Qh5 23.Nf3 Rf3–+) 23.c6 (23.Rdd2 Qe3 24.Qe3 Be3 25.Kg2 Bd2 26.c6–+) 23...Qg4 (better is 23...Qf5 24.Rcd2 Bd2–+) 24.Rc3 (24.Rcd2 Bd2 25.Rd2 Bc6 26.bc6–+) 24...Qd4 (24...Qe2 25.g4 Rf2 26.Nc2 Rg2 27.Kh1 Rh2 28.Kg1 Qf2) 25.Kg2–+ Rf2 26.Kh3 Qe5 27.Qa4 d4 0–1. Marques Taltavull,A (2130) – Serra Pages,J (2200), TCh–CAT Gp1, 2015. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.0-0 d5 8.cd5 Qd5 9.Bf6 Bf6 10.Nh4 Ba1 11.Bd5 Bd5 12.Qc2+/–.

7.0-0 d5 8.cd5 Bd5 9.Nc3 Bb7 10.Qb3 Nbd7 11.d4 Rb8 12.Rfd1 e6 13.b5 Nd5 (13...c6 14.Ne5 cb5 15.Ba3+/–) 14.Rac1 (14.Nd5 Bd5 15.Qc2 Rc8+=) 14...c6 (14...a6 15.ba6 Ba6 16.Ne5+/–) 15.bc6 Bc6 16.Nb5 Bb5 17.Qb5 a5 (17...Rc8 18.Rc8 Qc8 19.e4+=) 18.Ne5+/– Ne5 19.de5 Qe7 (19...Qe8 20.Qe8 Rfe8 21.Bd5 ed5 22.Rd5+/–) 20.Bd5 ed5 21.Rd5 Qe6 (21...Rfd8 22.Rd8 Qd8 23.e4+/–) 22.Rc6+– Qf5 23.Qd3 (23.Ba3 Rfe8 24.e6 Qf6 25.Rb6 Rbc8+–) 23...Qg4 24.Rc4 Qe6 25.Rd6 Qe7 26.Qd5 Rfd8 27.Rcc6 Rd6 28.ed6 Qb7?? (28...Qd8 29.Bg7 Kg7+–) 29.Bg7 Kg7 30.d7 Qa8 (30...Rd8 31.Qe5 Kg8 32.Qe8 Re8 33.de8Q Kg7 34.Qe5 Kg8+–) 31.Qe5 Kh6 32.Rc4 (32.Rc4 Qh1 33.Kh1 g5 34.Qf6 Kh5 35.Qf7 Kh6 36.Rc6) 1–0. Vazquez Igarza,Renier (2560) – Anton Quevedo,Andrea (1720), Open Internacional De Chamartin Id:, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.0-0 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 e6 (10...Na6 11.a3+=) 11.Nc3 (11.e4 Nf6 12.e5 Nd5+=) 11...Qe7 (11...Nd7 12.Nd5 Bd5 13.Qe3+=) 12.Nd5 ed5 13.Qc3 f6 14.Rac1 Rc8 (14...c6!?+=) 15.Bh3+/– Nd7 16.Nd4 c5 (16...c6+=) 17.Ne6 (better is 17.bc5!? bc5 18.Qa3+/–) 17...Kf7= 18.Qe3 Kg8?? (18...f5 19.Ng5 Kf6=) 19.Qh6?? (better is 19.Nc5 Qe3 20.fe3 (worse is 20.de3 Nc5 21.Bc8 Rc8+–) 20...bc5 21.Bd7+–) 19...f5+= 20.Ng5 (20.Nf4 cb4 21.Ng6 hg6 22.Qg6 Qg7 23.Qe6 Qf7 24.Qf5 Qf5 25.Bf5 Rc1 26.Rc1 Nc5+=) 20...cb4-/+ 21.Rb1 a5 22.Rb3 Nc5 23.Re3-/+ Ne4 24.f4? d4 25.Rd3 Ng5 26.fg5 Qe4 27.Rff3 Qe2 28.Bf1 Rc1 29.Rd4 Rf1! (29...Rf1 30.Rf1 Qg2) 0–1. Petrovski,Petruli (1865) – Brondahl,Paul Erik (2075), Copenhagen DEN, BMS Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.0-0 e6 8.d3 d5 9.Nbd2 Nbd7 10.Nb3 Re8 11.cd5 ed5 12.Rc1 Rc8 13.Bh3 Qe7 14.Rc2 c6 15.Qa1 Rc7 16.Rfc1 Nh5 17.Bg7 Ng7 18.Qc3 Ne5 (18...Ne6!?+=) 19.Ne5+/– Qe5 20.Qe5 Re5 21.Nd4 Kf8 22.e3 c5 (22...a5 23.ba5 ba5 24.Nb3+–) 23.bc5 bc5 24.Rc5 Rc5 25.Rc5 Ne8 26.Ra5 a6 27.Nb3 Re7 28.Nc5 Bc6? (better is 28...d4+–) 29.Ra6 Rc7 30.Rb6 Nd6 (30...Ba8 31.d4 Ke7+–) 31.Na6 (31.Na6 Nc8 32.Rb8+–) 1–0. Zalys,Ignas – Gulston,H, CCCA corr Canada, 1949. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.0-0 e6 8.d3 d5 9.cd5 ed5 10.Nc3 Nbd7 11.Qb3 Qc8 12.Rac1 c5 13.Rfd1 Re8 14.Nb5 Qb8 15.bc5 bc5 16.Qa3 Re2 17.d4 c4 18.Nd6 Bf8 19.Ne5 0-1. Spiritchaser84 (2235) - Phaffans (2375), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.0-0 e6 8.d3 d5 9.cd5 ed5 10.Nbd2 c5 11.a3 (11.bc5 bc5 12.Rb1 Bc8+=) 11...Re8 (11...Nbd7 12.Rb1=) 12.Rc1 (12.bc5 bc5 13.Rb1 Bc6=) 12...Nbd7 13.Re1 a5 (13...a6 14.bc5 bc5 15.Rb1=) 14.bc5 bc5 15.Ba1 (15.Nb3 Qe7=) 15...a4 16.h3 Qa5 17.g4 (17.e4 Rab8+=) 17...Bc6 (17...h6 18.e4=) 18.Qc2 Rac8 (18...h6 19.e4=) 19.e3 (19.Bc3 Qd8=) 19...Bb5 (19...h6 20.e4=) 20.e4 (20.g5 Nh5+=) 20...de4 (20...Qa6!? 21.Bf1 h6=) 21.de4+= c4 22.Nd4 Ba6 (22...Ne5 23.Bc3 Qa6 24.Rb1+=) 23.Bc3 Qc7 24.Rcd1 (24.g5 Nh5=) 24...Nc5= 25.Re3 Nb3 26.N2f3 (26.e5 Bh6 (26...Re5? 27.Re5 Qe5 28.Nf5+-) 27.Re2 A) 27...Re5? 28.Re5 Bd2 29.Nc6+- (29.Bd2 Qe5 30.Bc3 Qe8+=); B) 27...Nd4 28.Bd4 c3=+) 26...Nd7 (26...Bb7 27.Nb5 Qf4 28.Bf6 Bf6 29.Nd6+/-) 27.Rde1 (better 27.Ne2!?=) 27...Ndc5-/+ 28.e5 Nd3 29.R1e2 (29.Rd1 Qc5-/+ (29...Be5?! 30.Ne5 Re5 31.Re5 Ne5 32.Qe4=+)) 29...Nf4 (29...Qc5 30.Qb1-/+) 30.Re1 Ng2 (30...Qc5 31.Bb2 Nd3 32.Rd1-/+) 31.Kg2=+ Bb7 (31...Qe7 32.e6 Bb7 33.Kf1=+) 32.Kg1 (32.Nb5 Qb8 33.Nd6 Bh6=) 32...Rcd8 (32...Qc5!?-/+) 33.Nb5= Qc6 34.Nd6 Re6 (34...Re7 35.Nb7 Qb7 36.e6 Re6 37.Bg7 Re3 38.Re3 Kg7 39.Qc4 Rd1 40.Kh2=) 35.h4 (better 35.Nb7!? Qb7 36.Ng5+=) 35...Ba8 36.Kh2 (36.Bb2 f6 37.Qe2 Bh6 38.Qc4 Qc4 39.Nc4 Be3 40.Re3 Rd1 41.Kh2 Bd5-+) 36...Rdd6 (36...Bf8 37.Ne4 Ba3 38.Nfg5-/+) 37.ed6 Qd6 (37...Re3 38.Re3 Bd4 39.Bd4 Nd4 40.Qd1 Qd6 41.Kh3 Bf3 42.Rf3=) 38.Kh3 (38.Be5 Be5 39.Ne5 Bd5=) 38...Qf4 (38...Bf3 39.Rf3 Re1 40.Be1 A) 40...Qa3 41.Qc4 Qe7 42.Qa4 Qe1 43.Qa8 (43.Rb3?! Qh1 44.Kg3 Be5 45.f4 Qe1 46.Kf3 Qf1 47.Ke3 Qe1 48.Kd3 Qf1 49.Kc2 Qe2 50.Kc1 Qe1 51.Kc2 Qe2 52.Kc1 Qe1 53.Kc2 Qe2=; 43.Qb3? Qh1 44.Kg3 Be5 45.Rf4 Qg1 46.Kf3 Bf4-+) 43...Bf8 44.Rb3+/-; B) 40...Nd4-/+) 39.Bg7?? (39.Qd1 Bc3 40.Rc3 Re1 41.Ne1 Qf2 42.Qd8 Kg7 43.Qa8 Qe1 44.Qf3-/+) 39...Kg7 (better 39...Re3 40.fe3 Qf3 41.Kh2 Kg7-+) 40.Qc3+= Kg8 (40...Rf6 41.Ne5 Qf2 42.R3e2=) 41.Re6 (41.Rd1!? Qc7 42.Ne5+/-) 41...fe6= 42.Re3 (42.Ng5 Qf2 43.Qg3 Qg3 44.Kg3=) 42...Nc5 (42...Qf8!?=) 43.Qe5+/- Qf8 (43...Qe5!? 44.Ne5 Bd5+/-) 44.Ng5+- Bd5? (44...Nd3 45.Qe6 Kh8+-) 45.Kg3 (better 45.Qc7 Qf6 46.Qc5 Qf2 47.Qc8 Qf8 48.Qf8 Kf8 49.Ne6 Ke7 50.Nc5 Kd6 51.Na4+-) 45...Nd3 (45...h6 46.Nh3 Nd3 47.Qc3=+) 46.Qc7 (46.Qc7 Qf2 47.Kh3 Qg2). lswlxx (2440) - AvatarOfBigotry (2455), Rated Bullet game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.Qc2 c5 8.a3 Nc6 9.bc5 bc5 10.0-0 Rb8 11.Nc3 Nd4 12.Nd4 Bg2 13.Kg2 cd4 14.Nb5? (better 14.Na4=) 14…Qc8–+ 0–1. Steinbach,P (2000) – Jergler,K (2150), 7th Arber Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.d3 Na6 8.a3 c5 9.b5 Nc7 10.a4 a5 11.0-0 d6 12.Na3 e5 13.e3 Qe7 14.Re1 Rae8 15.d4 e4 16.Nd2 Nd7 17.Qc2 f5 18.f3 ef3=+ 19.Bf3 Bf3-/+ 20.Nf3 Nf6 21.dc5 dc5 22.Ne5 Ne4 23.Nc6=+ Qf7 24.Rad1 Ng5 25.Kf2 Bb2 26.Qb2 Qe6 27.Qc2 f4 28.ef4=+ Qh3 29.Re8 Qh2 30.Kf1 Qh1 31.Kf2 Qf3–+ 32.Kg1 Re8 33.Rd8?? Qg3 34.Qg2 Nf3 (34...Nf3 35.Kh1 Qh4 36.Qh3 Qh3; 34...Qa3 35.Qg5 Qc1 36.Kg2 Qb2 37.Kh3 Qc3 38.Kg2 Qc2 39.Kg3 Qb3 40.Kg2=+) 0–1. Steiner,B (2215) – Bednar,Ma (2110), Open A, Prague CZE, 2009.

7.d3 c5 8.bc5 bc5 9.0-0 Nc6 10.Bc3 e6 11.a4 (11.Nbd2 Rb8=) 11...d5 12.cd5 ed5 13.Ne5 (13.Nbd2 Qe7=+) 13...Ne5 (13...Rb8 14.Nc6 Bc6 15.Nd2=+) 14.Be5=+ Re8 15.Bb2 (15.d4 cd4 16.Bd4 Ne4=+) 15...Qd7 16.a5 (16.Nd2!?=+) 16...d4-/+ 17.Na3?? (better 17.Bb7 Qb7 18.Qc2-/+) 17...Bg2-+ 18.Kg2 h5 (better 18...Qb7 19.Kg1 Qb2-+) 19.Nc4-/+ h4 20.Ba3 (20.e4!? de3 21.fe3-/+) 20...Nd5-/+ 21.Re1 (21.Bc5?? Nc3 22.Qd2 h3 23.Kh1 Qd5 24.f3 Re2-+) 21...Re6 22.Bc5?? (better 22.Kg1-/+) 22...Nc3-+ 23.Qd2 Qd5 24.Kg1 Qc5 25.a6 (25.Rac1 Qh5 26.e4 Qf3 27.gh4 Kh7-+) 25...Rae8 26.Ra5 (26.e4 de3! 27.Ne3 h3-+) 26...Qc6 27.e4 (27.f3 Ne2 28.Kf2 Rf6-+) 27...de3! 28.Ne3 (28.Ne3 Ne4 Combination; 28.Re3 h3 Combination; 28.fe3 Ne4 Combination) 28…h3 (28...h3 29.Ra3 Bd4 30.Ra2 Na2 31.Rb1 Re3 32.fe3 Be3 33.Kf1 Bd2 34.Kg1 Qg2) 0-1. GeriT (2435) - Lance5500 (2565), lichess.org, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

7.d3 d6 8.0-0 c5 9.a3 Nbd7 10.Nc3 a6 11.Rc1 Qc7 12.Qb3 White plans b5 12...Rfc8 13.b5 a5 14.Nd2 Bg2 15.Kg2 Qb7 16.Kg1 (16.e4 e6=) 16...h5 (16...e6 17.Nde4 Qc7 18.Rce1=) 17.Nf3 e6 18.e4 Ng4 19.Rcd1 Qc7 20.Ne2 Nde5 (20...Ngf6 21.Rfe1+=) 21.Ne1 (21.Ne5 a4 22.Qc2 Ne5+=) 21...Qe7 (21...Nf6 22.f4 Neg4 23.Ng2+=) 22.h3+= Nf6 23.f4 Ned7 24.Nf3 Ra7 25.Rf2 Rac7 26.Rdf1 Nh7 (26...Ra7 27.Qc2+=) 27.g4 (27.Bg7 Kg7 28.Qb2 Kg8+/-) 27...hg4+= 28.hg4 Bb2 29.Qb2 Ndf6 30.Rg2 White intends g5 30...Nd7 31.g5 d5 32.e5 (32.Rh2 f5+/-) 32...Rd8+= 33.Nh2 (33.Rh2 Ndf8+/-) 33...dc4 34.dc4 Ndf8 35.Qc3 (35.Nf3 Rcd7+=) 35...Rcd7= 36.Qh3 Rd3 37.Qh6 Nd7 (37...Ra3? 38.Ng4 f6 39.ef6+- (39.gf6?! Qc7+-; 39.Nf6?! Nf6 40.gf6 Qh7+=)) 38.Ng4 Qf8 (38...Ra3?? 39.Rh2 f6 40.f5+-) 39.Qh4 (39.Rh2 Qh6 40.Nh6 (worse 40.gh6 Ra3 41.Rd1 Kf8=+) 40...Kg7 41.Nf7+/-) 39...Qg7+= (39...Ra3? 40.Rh2 Qg7 41.Rd1+-) 40.Rh2 Ndf8 (40...Ra3? 41.Rd1 Kf8 42.Qh7 Qh7 43.Rh7+-) 41.Nf6 Kh8 42.Kf2 Rd1 (42...Ra3 43.Rfh1 Qh6 44.Qh6 Rf3 45.Kf3 Rd3 46.Kg4 Rh3 47.Rh3 a4 48.Qf8) 43.Rfh1 Rh1 44.Rh1 Rd3 45.Rh3 Rd1 46.a4 (46.Nc3!? Rd2 47.Ke1 Rd4+-) 46...Rd2 (46...Rd8 47.Nc3 Rd2 48.Ke1 Rd4+-) 47.Ke1 Rd8 48.Kf1 (better 48.Nc3 Rd4 49.Nce4 Re4 50.Ne4+-) 48...Rd1+/- 49.Kg2 Rd2 50.Kf3 Rd3 (better 50...Rc2+-) 51.Kf2 (better 51.Ke4!? Rd8+-) 51...Rd2 52.Ke3 Rd1 (better 52...Rb2+-) 53.Rh1 Rd8 54.Qh3 Rc8 55.Rd1 (55.Qf3 Rb8 56.Qc6 Rd8+-) 55...Ra8 (55...Rb8+-) 56.Nc3 Rc8 57.Nce4 (57.Nce4 Rb8 58.Rh1+-) 1-0. Martic,I (2385) - Tisma,I (2085), 13th Paracin Summer Open, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.d3 d6 8.0-0 e5 9.Nbd2 Na6 10.a3 c5 11.b5 (11.Qa4 Qe8 12.Qb3 Qe7+=) 11...Nc7 12.Qc2 Ne6 13.e3 Ne8 (13...a6 14.ba6 Ra6 15.e4=) 14.Rfd1 f5 (better is 14...a6=) 15.d4?? (better is 15.Ng5! Qg5 16.Bb7+=) 15...e4-/+ (worse is 15...ed4 16.ed4 Qf6 17.Rab1 cd4 18.Nd4 Bg2 19.Nc6+=; 15...cd4?! 16.Nd4 Nd4 17.ed4 Bg2 18.Kg2=) 16.Ne1 cd4 17.ed4 (17.Nf1 d5-/+) 17...Nd4 18.Bd4 Bd4 19.Ra2 Be5 20.Nb3 (20.Qb3 Nc7-/+) 20...Qf6 (20...a6 21.ba6 Ba6 22.f3-/+) 21.Qe2 Nc7 22.a4 (22.Rad2 Rfe8-/+) 22...Ne6 (22...d5 23.f4 Bc3 24.Nc2–+) 23.a5 Rae8 (23...a6 24.f4 Bc3 25.Qe3 ab5 26.cb5–+) 24.Nc2 Ng5 (24...Nc5 25.Nc5 dc5 26.a6-/+) 25.Ne3 h5 (25...Rf7 26.Qd2-/+) 26.Nd5 (26.Qd2 Qf7+=) 26...Bd5-/+ 27.Rd5 f4 28.Be4? (better is 28.h4!? f3 29.Qe3+=) 28...Ne4 (28...f3 29.Qd3 Ne4 30.Rc2–+ (30.Qe4 Bg3 31.Qb1 Bh2 32.Kf1 Qe6–+)) 29.Qe4 fg3 30.Re2 (30.Rd1 gf2 31.Kf1 Bc3 32.Qe8 Re8 33.Rf2 Qh4–+) 30...gf2 (better is 30...gh2 31.Kh1 Bg3–+) 31.Kh1 (31.Kf1 ba5 32.Rdd2–+) 31...Qg5 (31...f1Q) 32.Rd1 (32.Qg6 Qg6 33.Rf2 Rf2 34.Re5 Qg2) 32...Rf4 (32...f1Q 33.Rf1 Rf1) 33.Qd5–+ Kh8 34.Qd6?? (34.Rf1 Ref8 35.Nd2–+) 34...Bd6 (34...f1Q 35.Rf1 Rf1) 35.Re8–+ Bf8 (35...Bf8 36.Nd2 Rf5 37.Rf1 Qd2 38.h4 Qd7 39.Rb8 Rf4 40.Kg2 Qg4 41.Kh2 Qh4 42.Kg2 Qg5 43.Kh2 Rh4) 0–1. Fuchs,Joerg (1605) – Kurbel,Horst_Peter (1815), Berlin op, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

7.d4 d6 8.Nc3 Nbd7 9.Qc2 (9.0-0 c5 10.dc5 dc5=) 9...c5=+ 10.dc5 dc5 (10...bc5!? 11.bc5 Nc5=+) 11.b5= Qc7 12.0-0 Rad8 13.a4 a5 14.ba6 Ba6 15.Nb5 Qc8 16.Ne5 Ne5 17.Be5 Bb7 18.e4 Nd7 (18...Qe6 19.f4=) 19.Bg7+= Kg7 20.f4 Nb8 21.Qb2 Kg8 22.Nc3 Qc7 23.Rfb1 Nd7 24.a5 Ra8 25.ab6 Qd6 26.Na4 Qc6 27.Nc3 Ra1 28.Qa1+– Ra8 29.Qb2 e6 30.e5 Qg2 31.Qg2 Bg2 32.Kg2 Rb8 33.b7 f5 34.ef6! Nf6 35.Kf3 Kf7 36.Ne4 (36.Ne4 Nd7 37.Ng5 Ke7 38.Nh7+–) 1–0. Dresen,Ulrich – Becker,Andreas2, GER–ch U20 Saarbruecken, 1968.

7.0-0 a5

8.a3 d6 9.d3 e5 10.Nc3 Nbd7 11.e4 Ne8 12.h4 (12.Re1 ab4 13.ab4 Ra1 14.Qa1 c5=) 12...c6 13.h5 Nc7 14.hg6 hg6 15.Ne1 Ne6 16.Nc2 Nd4 17.Nd4 ed4 18.Ne2 c5 19.b5 Qc7 20.Bc1 Rae8 21.Nf4 Be5 22.Nh3 Bg7 23.Ra2 f5 24.ef5 Bg2 25.Kg2 Rf5 26.Nf4 Qa7 (26...Qb7 27.f3=) 27.Re2 Rfe5 28.Rfe1 Bh6 (28...Qa8!? 29.f3 Re2 30.Re2 Bh6+=) 29.Re5+/- (29.Ng6 Re2 30.Re2 Qa8 31.Kg1 Bc1 32.Ne7 Kf7=+) 29...Re5 30.Rh1 (better 30.Ng6!? Re1 31.Qe1 Qa8 32.Kg1 Bc1 33.Qc1+-) 30...Bf4+= 31.Bf4 Rf5 (31...Qa8 32.Qf3 Qf3 33.Kf3=) 32.Qg4 (better 32.Bd6 Qb7 33.f3+/-) 32...Nf6?? (32...Qa8 33.Kg1 Qe8 34.Qf3+=) 33.Qe2 (better 33.Qg6 Qg7 34.Qf5+-) 33...d5?? (33...Qd7 34.Qf3 Nh5 35.Qa8 Kg7 36.Kf1=) 34.Bd2 (better 34.Qe6 Kg7 35.Bh6 Kh7 36.Bg5 Kg7 37.Bf6 Rf6 38.Qh3 (38.Qd5?! Qe7+/-) 38...Rf2 39.Kf2+-) 34...dc4 (34...Qd7 35.f3 dc4 36.dc4=) 35.dc4 (better 35.g4 Ng4 36.Qg4+/-) 35...Nd7?? (35...Qd7 36.f3 Qe8 37.Qd3=) 36.f4?? (better 36.Qe6 Rf7 37.Qh3 Qb7 38.Kg1+-) 36...Rf6 37.Re1 Nf8 38.Qd3 Rd6 ½-½. Karthik,Kumar Pradeep (2180) - Saksham,Rautela (2125), FSIM November, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

8.a3 d6 9.d3 e5 10.Nbd2 Nh5 11.Qc2 Nc6 12.Qb3 Ne7 13.Rac1 Bh6 14.Rc2 f5 15.Nh4 Bg2 16.Ng2 Bg7 17.Rfc1 Kh8 18.c5 bc5 19.bc5 d5 20.Nf3 Nc6 21.e3 Qd7 22.Rb1 Bf6 23.Bc3 Rfb8 24.Qa2 Re8 25.d4 e4 26.Nd2 g5 27.Nf1 f4 28.Bd2 f3 29.Ne1 Ng7 30.Rcb2 h5 (30...g4 31.Rb7+=) 31.Kh1 Kh7 32.Bc3 Rh8 33.Rb7 Kg6 34.Qc2 h4 (better is 34...Nf5!?=) 35.Nf3+/– Qg4 36.Ne5?? (better is 36.Ng1 hg3 37.fg3+/–) 36...Be5 (36...Ne5 37.Kg1 Nf3 38.Kh1 Nf5–+) 37.f4 Bf6 38.gh4? (better is 38.Rc7!? Nd8 39.fg5–+) 38...Rh4 (better is 38...gf4!? 39.Rc7 Rac8 40.Rc8 Rc8–+) 39.fg5 0–1. Buldrova,Monika – Svab,Jan, Plzen KB op–A U18, 1997. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

8.b5 c5 9.bc6 (9.Na3 Qc7=) 9...dc6 (9...Nc6 10.d4=) 10.Nc3+= Qc7 (10...Nbd7 11.Rb1+=) 11.Rc1 (11.d4 Nbd7+=) 11...Rd8 (11...e5 12.Na4 Nbd7 13.Qc2+=) 12.Na4 (12.d4 Nbd7+=) 12...Nbd7 13.d4 (13.Qc2 c5+=) 13...Nc5= 14.Nc5 bc5 15.Qa4 (15.Qc2 Nd7 16.Rb1=) 15...Qb6 (15...cd4!? 16.Bd4 Nd7 17.Bg7 Kg7=) 16.dc5 (16.Rb1 Nd7+–) 16...Qb4+= 17.Qb3 (17.Qc2!? Qc5 18.Ne5+=) 17...Qb3= 18.ab3 Ne4 19.Be5 Nc5 20.Rb1 Ne4 21.Rb2 (21.Rfe1 f6 22.Bb2 c5=) 21...c5 (21...f6!? 22.Bf4 c5=) 22.Bg7+= Kg7 23.Ng5 (23.Ne5 Nd6+=) 23...Nd6 (23...Ng5 24.Bb7 Ra7 25.Bd5=) 24.Ra1 Bg2 25.Kg2 Rdb8 26.Ra4 Rb4 27.Rba2 Rb3 28.Ra5 Ra5 29.Ra5 Nc4 30.Rc5 Nd6 31.h4 (31.Nh3 Rb2 32.Nf4 Kf6=) 31...h6 32.Nf3 Rb5 (32...Rb2 33.Kf1=) 33.Rc3 (33.Rb5 Nb5 34.Ne5 Nc3=) 33...Rb2 34.Re3 Rb7 (34...Nf5 35.Re4=) 35.Nd4 h5 36.f3 Nc4 37.Rc3 Nd6 38.Kf2 Nb5 39.Rb3 Nd6 40.Rb7 Nb7 41.e4 Nc5 42.Ke3 Nd7 43.Nc6 e6 (43...e5 44.Kd3=) 44.e5 Nb6 45.Kf4 Nd5 46.Kg5 f6 47.ef6 Nf6 48.Kf4 Nd7 49.g4 hg4 50.fg4 Kf6 51.Ke4 Nc5 52.Kd4 Nd7 53.Nb4 (53.g5 Kf7=) 53...Ne5 54.Ke4 Ng4 55.Kf4 (55.Nd3 Ke7=) 55...Nh6 56.Nd3 Nf5 57.Kg4 Ne3 58.Kf4 Nd5 (58...Nc4 59.Ke4=) 59.Kg4 e5 (59...Nb6 60.Nc5=) 60.h5 e4 61.Nc5 gh5 62.Kh5 e3 63.Kg4 Ke5 64.Kf3 Kd4 65.Nb3 Kd3 66.Nc5 Kd2 67.Ne4 Kd1 68.Nc3 Kd2 69.Ne4 (69.Nd5?? e2–+) 69...Kd3 70.Nf2 Kd2 71.Ne4 Kd1 72.Nc3 Nc3 73.Ke3 ½–½. Ozmen,Mustafa Lutfi Poyra (1920) – Yamac,Yuksel Yalcin (1845), TCh–TUR 2nd League, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7)

8.b5 d6 9.d4 Nbd7 10.Nc3 Ne4 11.Ne4 Be4 12.Nd2 (12.Rc1 e5+=) 12...Bg2= 13.Kg2 e5 14.e3 f5 15.Nf3 e4 16.Ng5?? (better 16.Nd2=) 16…Qg5-+ 0-1. Marin Masis,Jose Esteban (1935) - Diaz Villagran,R (2305), Titled Tuesday, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.b5 d6 9.d4 Nbd7 10.Nc3 e5 11.Qc2 Bf3 (11...ed4 12.Nd4 Bg2 13.Kg2+=) 12.ef3 (12.Bf3 ed4 13.Nd1 Ra7+=) 12...ed4= 13.Ne2 d3 14.Qd3 Nc5 15.Qc2 Nfd7 16.Nd4 Qf6 17.Rae1 Rae8 18.f4 Nb8 19.Bd5 Kh8 20.h4 Qd8 21.h5 Re1 (21...gh5 22.Re8 Combination) 22.Re1 Bf6 23.g4 Qc8 (23...Re8 24.Re8 Qe8+-) 24.Nf5 Bb2?? (24...gf5 25.Bf6 Kg8+-) 25.Qb2 f6 26.hg6 hg6 27.Qc3 (27.Qc3 Qf5 28.gf5 Nc6 29.Re8 Kg7 30.Rf8 Kf8 31.Qf6 Ke8 32.Qf7 Kd8 33.Qf8 Kd7 34.Bc6) 1-0. Krishna,CRG (2445) - Peng,Hongchi (2270), Qingdao CHN, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

7.0-0 c5

8.a3 a6 9.d3 d6 10.Nbd2 Nbd7 11.Qc2 Rb8 12.Rad1 (12.Ng5 Bg2 13.Kg2 Qc7=) 12...Qc7 13.Qb1 Rfc8 14.Qa1 Bc6 15.Rb1 b5 16.bc5 (16.Bc3 Rb7=) 16...Nc5=+ 17.Rfc1 Qa5 (17...Bh6 18.cb5 Bf3 19.Nf3 Bc1 20.Rc1-/+) 18.cb5 (18.Bh3 Re8=) 18...Bb5 (better 18...ab5 19.Bd4 Rc7=+) 19.Nd4?? (19.Bh3 Bd7 20.Bd7 Ncd7=) 19...Bd7 (better 19...Qd2 20.Bc3 Qg5-+) 20.Nc4= Qd8 21.Bc3 e5 22.Ba5 (22.Nf3 Be6 23.Rb8 Rb8=) 22...Qe7 (22...Qf8!? 23.Rb8 Rb8+=) 23.Rb8+= Rb8 24.Nc6?? (better 24.Bc7 ed4 25.Bb8+=) 24...Bc6-+ 25.Bc6 Nb3?? (25...Rc8 26.Bg2 Nb3 27.Qb2 Nc1 28.Bb4-+) 26.Qc3?? (better 26.Qb2 Bf8 27.Ba4 Nc1 28.Qb8 Ne2 29.Kf1=+) 26...Nc1-+ 27.Qc1 Rc8?? (better 27...d5 28.Bb4 Qe6-+) 28.Nb6-/+ Rc7 (28...Rf8 29.Bf3-/+) 29.Na8=+ Rc8 30.Nb6 Rb8 31.Bg2 (31.Nc4 d5 32.Bb4 Rb4 33.ab4 dc4 34.Qc4-+) 31...Qd8 32.Qd2?? (better 32.Nc4 Qc8 33.e4-+) 32...Rb6-+ 33.h4 (33.Bb6 Qb6 34.Qc3 d5-+) 33...Qb8 (better 33...Rb1 34.Bf1 Qc8-+) 34.Bb6 Qb6 35.Qc3 Qb8 (35...d5 36.a4-+) 36.Qa5 (36.Qc6 a5 37.Bf3 Bf8-+) 36...Qc8 37.Qb6 (37.a4 Bf8 38.Bf3 Be7-+) 37...Bf8 38.h5 (38.Bc6 d5-+) 38...Nh5 39.Kh2 (39.Bb7 Qc1 40.Kg2 Qa3 41.Ba6 Nf6-+) 39...Nf6 40.Bh3 (40.Bb7 Qc1 41.Kg2 Qa3 42.Qa6 Qa6 43.Ba6 d5-+) 40...Qc2 41.Qa6 (41.Bf1 Ng4 42.Kg2 Qc1-+) 41...Qe2 42.Kg2 (42.Qa7 Qd3 43.a4 Qe2-+) 42...e4 43.de4 (43.Qc6 ed3 44.Qf3-+) 43…Qa6 (43...Qa6 44.f3 Qe2 45.Kg1 Qf3 46.a4 Qg3 47.Kf1 Ne4 48.Ke2 Bh6 49.Bd7 Qe3 50.Kd1 Qd2) 0-1. Spiritchaser84 (2270) - Lance5500 (2480), lichess.org, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

8.a3 Na6 9.Qb3 Rc8 10.d3 (10.Nc3 d5 11.d3 e6+=) 10...d6 (10...Nc7!?=) 11.Nc3+= Qc7 12.e4 e6 (12...Qd7 13.Nd5+=) 13.Nd2 (13.Nb5 Qb8+/–) 13...Rfd8 14.Bh3 Ra8 15.Rae1 Nd7 (15...Qe7 16.f4+=) 16.f4 Nf8 (16...Re8 17.Nb5 Qc6 18.d4 cd4 19.Nd4+/–) 17.f5 (17.Nb5 Qe7+/–) 17...Bd4 (17...ef5 18.Nb5 Qc6 19.Bg7 Kg7 20.d4 cb4 21.ab4+–) 18.Kh1 Bc3 (18...ef5 19.Nb5 Qe7 20.Nd4 cd4 21.Bd4 Re8+–) 19.Qc3+– e5 20.Nf3 f6 21.fg6 (21.b5 Nb8+–) 21...hg6+/– 22.b5 Nb8 23.Nh4 Qg7 24.Rf2 Bc8 25.Bc8 Rc8 26.Qd2 Nbd7 27.Qe2 Re8 28.Qg4 Re7 29.Ref1 Kf7 30.Bc1 Ke8 31.Ng2 Ne6 32.Ne3 Nc7 33.h4 Qh7 34.Rh2 Rg7 35.h5 gh5 36.Rh5 Rg4 37.Rh7 Rg8 38.Nf5 Kd8 39.Kg2 Ne6 40.Nh6 Rg6 41.Nf5 Kc7?? 42.Ne7+– Rag8?? 43.Ng8 Rg8 44.Rf6 Nef8 45.Rhf7 1–0. Diaz Hollemaert,N (2405) – Martinez de Negri,G (2120), Mar del Plata ARG, 7th Continental Ch, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 Na6 9.Qb3 d5 10.d3 Rc8 11.Nc3 Nb8 12.Nd2 (12.Rfe1!?+=) 12...dc4= 13.Nc4 Bg2 14.Kg2 Nd5 (14...cb4 15.ab4 Nc6 16.Ra3=) 15.b5 (15.Ne4 Bb2 16.Qb2 b5+=) 15...Nc3 16.Bc3 Qd5 17.Kg1 Rfd8 (17...Nd7 18.a4=) 18.a4 Nd7 19.Bg7 Kg7 20.Rfb1 (20.a5 Rc7+=) 20...Kg8 (20...Ne5 21.Qb2 f6 22.Ne5 Qe5 23.Qe5 fe5 24.a5=) 21.a5+= Ra8 (21...Rc7 22.ab6 Nb6 23.Na5+=) 22.Ra3 h5 23.Rba1 h4 (23...Rac8 24.Qb2+/–) 24.Qa2 (24.e4!? Qb7 25.gh4+–) 24...Rab8+= 25.ab6 ab6 26.Ne3 Qa2 27.R1a2 hg3 28.hg3 Ne5 (28...Rb7!?+/–) 29.f4 Nd7 30.Nc4 (30.Ra7 Kf8+/–) 30...Rb7+= 31.Ra6 Kg7 32.Kf2 Rh8 33.Kf3 f5 34.Ra7 Rhb8 35.g4 fg4 36.Kg4 Nf6 37.Kf3 Nd5 38.Rb7 Rb7 39.Ra6 Nc3 (39...Kf7 40.Kg4+/–) 40.Rb6 Rb6 41.Nb6 Nb5 42.Nd7 Nd4 43.Ke3 Ne6 (43...Nb3 44.Ke4+=) 44.Ke4+/– g5 (44...Kf7 45.Ke5+/–) 45.fg5 Ng5 46.Kf5 Nh3 47.Nc5 Kf7? (47...Nf2 48.d4 Nd1 49.d5+/–) 48.Ne6?? (48.Ne4 Ng1 49.Nc3 Nh3+–) 48...Ng1? (48...Nf2 49.d4+/–) 49.Ng5 (better is 49.Nf4+–) 49...Ke8+/– 50.e4 Ne2 51.Ke5 Nc1 52.d4 Nd3 53.Kf5 Nb4 54.Nf3 Kd7 55.Ne5 Kd6 56.Nc4 Kc7 57.Ke6 White plans d5 57...Kd8 58.Ne5 Ke8 59.d5 Na6 60.Nc6 Nc5 61.Kf5 Kd7 62.Ne5 Kd6 63.Nf7 Kd7 64.e5 (better is 64.Kf4!?+/–) 64...e6= 65.de6 Ne6 66.Kf6 Nc5 67.Ng5 Ke8 68.Ne6 Nd7 69.Kf5 Ne5 ½–½. Green,Michael (1890) – Cocks,Elliot (1755), Glorney Cup, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 Na6 9.Qb3 d5 10.d3 Rc8 11.Nc3 dc4 12.dc4 (12.Qc4?? cb4 13.Qb3 bc3 (13...Rc3?! 14.Bc3 bc3 15.Rac1–+) 14.Bc3 Nc5–+) 12...Ne4 (12...Qc7 13.Nb5 Qb8 14.Be5+=) 13.Rfd1 Qc7 14.b5 Nb8 15.Nd5 Bd5 16.Bg7 (worse is 16.cd5 c4 17.Qc2 Bb2 18.Qb2 Qc5=) 16...Kg7 17.Rd5 Rcd8 18.Rad1 Rd5 19.Rd5 Rd8 20.Qd1 Rd5 21.Qd5 Nf6 22.Qe5 Qe5 23.Ne5 Ne8 24.e3 f6 25.Nf3 Nd6 26.Nd2 Kf7 ½–½. Richter,Jan (2060) – Koehler,Denny, Jena Fair op 8th, 2008. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 Na6 9.bc5 Nc5 10.d3 d5 11.Nbd2 Rc8 12.Rc1 dc4 13.Rc4 Qd7 14.Qb1 Bd5 15.Rfc1 Bc4-/+ 16.Nc4 Rfd8 17.Nce5 Qf5 18.Rc4 Rc7 19.Rf4 Qc8-/+ 20.Ng5 Rf8 21.Bh3 e6 22.Bg2 Nh5 23.Rf7 Rff7 24.Ngf7 Rf7 25.Nf7 Kf7 26.d4 Na4 27.e3 Nb2 28.Qb2 Nf6 29.e4 Qc4 30.e5 Nd5 31.Bd5 Qd5 32.Qc3 Bf8 33.h4 Be7 34.h5 gh5 35.Qd3 Kg7 36.Kf1 h4 37.gh4 Bh4 38.Qe3 Qc6 39.Qf4 Be7 40.Kg1 Qc2 41.Qg3 Qg6 42.Kf1 Qg3 43.fg3 Ba3 44.Ke2 Bb2 45.d5 ed5 46.e6 h5 47.e7 Kf7 48.e8Q Ke8 49.Kd3 Be5 50.Kc2 Bg3 (51.Kd3 Be5–+) 0–1. Pierred (2340) – Longplayer, Rated game, 1m + 3s, 2005.

8.a3 cb4 9.ab4 Qc7 10.d3 d5 11.Qb3 dc4 12.Rc1 (better is 12.dc4 Nbd7 13.Rc1=) 12...Rc8?? (better is 12...Qg3! 13.Qc4 Qd6+=) 13.Rc4+– Qd8 14.Nc3 (better is 14.Ng5 Bg2 15.Rc8 (15.Kg2?! Rc4 16.Qc4 Qd5 17.Nf3 Nc6=) 15...Qc8 16.Qf7 (16.Kg2?! e6=) 16...Kh8 17.Kg2+–) 14...e6 (14...Rc4!? 15.Qc4 e6=) 15.Nb5+/– a6 (better is 15...Rc4!? 16.dc4 Qe7+/–) 16.Rc8+– Qc8 (16...Bc8 17.Ng5 Nd5 18.Bg7 Kg7 (18...Qg5?? 19.Bb2 Qd8 20.Bd5 ed5 21.Qc3+–) 19.Bd5 ed5 (19...Qd5?? 20.Qc3 f6 21.Qc8+–) 20.Qc3 Qf6 21.Qf6 Kf6 22.Nh7 Kg7+–) 17.Nd6 Qd7 18.Nb7 Qb7 19.Ne5 (19.Bf6!? Bf6 20.Ne5 Qc8 21.Ba8 Be5+–) 19...Nd5 20.Rc1 (20.Ng4!? h5 21.Ne3 Bb2 22.Qb2 Nd7+–) 20...Nd7 21.Nc6 Bb2 22.Qb2 N7f6 23.e4 (23.Rc4 b5 24.Rc1 Kg7 25.Bd5 ed5+/–) 23...Ne7 24.Qf6 (24.Ne7!? Qe7 25.e5+=) 24...Nc6= 25.e5 Rc8 26.Qf3 Qd7?? (better is 26...Nd8 27.Qe3 Rc1 28.Qc1 Qd7=) 27.Rc6+– Rc6 28.Qc6 (28.Qc6 Qc6 29.Bc6+–) 1–0. Jeric,Tina – Bukovec,Tina, SLO–ch U14 Girls, 2002. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 Nc6 9.Qb3 Rb8 10.d3 e6 11.Nbd2 Qe7 (11...a6 12.Rfc1=) 12.Rab1 Ba8 13.e3 d5 14.cd5 Nd5 15.Bg7 Kg7 16.bc5 Qc5 17.Rfc1 Qe7 18.Qb2 f6 19.e4 Nc7 20.Rc2 Qd7 21.Rbc1 Rfc8 22.d4 Nd8 23.d5 (23.e5 f5+=) 23...ed5+= 24.e5 (24.Ne5 Qd6 25.Ng4+/–) 24...Ne8= 25.ef6 Nf6 26.Ne5 Rc2 27.Rc2 (27.Qc2 Qe7 28.Qc7 Qc7 29.Rc7 Kh6+=) 27...Qd6+= 28.Ndf3 Nc6 (28...Ne6 29.Re2+=) 29.Nc6= Bc6 30.g4 (30.Qe5!? Qe5 31.Ne5=) 30...Kg8+= 31.g5 Nd7 32.Nd4 Bb7 33.Re2 Nc5 34.Nb5 Qd7 35.Qe5 Rd8 36.Nd6?? (36.Na7 d4 37.Bb7 Qb7 38.Qf6-/+) 36...Ne4 (better is 36...Qd6 37.Qd4 Ne4 38.Be4 de4 39.Qd6 Rd6–+) 37.Nb7= Qb7 38.h4 Qc6 39.Be4 de4 40.Qe4 Qe4 41.Re4 Rd3 42.a4 Ra3 43.Rc4 a6 44.Rc2 ½–½. Stocek,Jiri (2450) – Neuman,Petr (2290), CZE–ch U20 Prague, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 Nc6 9.Qb3 d6 10.d3 Qd7 11.Nc3 Rac8 12.Rfd1 Ba8 13.e4 Ng4 14.h3 Nge5 15.Ne5 Be5 16.Ne2 Bb2 17.Qb2 e5 18.b5 Nd4 19.Nd4 cd4 20.a4 f5 21.f3 Qd8 22.a5 Rc7 23.a6 Qg5 24.Kh2 f4 25.Qf2 h5 26.Rg1 fg3 27.Qg3 Qg3 28.Kg3 Rf4 29.h4 Kg7 30.Bh1 Rcf7 31.Kh3 Kh6 32.Rg3 R7f6 33.Rag1 Kh7 34.Rg5 Kh6 35.R1g3 Kh7 36.Bg2 Kh6 37.Kh2 Rh4=+ 38.Bh3 Rhf4 39.Bg2 h4-/+ 40.R3g4 Rg4 41.Rg4 Kh5 42.Kg1 g5 43.Kf2 Rf8 44.Bh3 Kg6 45.Rg1 Rd8 46.Bf5 Kf6 47.Bg4 Kg6 48.Ke2 Rf8-/+ 49.Kd2 Kf6 50.Kc2 Rf7 51.Kb3 Rc7 ½–½. Spiridonov,Nikola (2470) – Szell,Lajos (2360), Zamardi GM, 1980.

8.a3 Qc7 9.d3 d6 10.Nc3 Nbd7 11.e4 e6 12.Qd2 Rad8 13.Nh4 a6 14.f4 Ng4 15.Nd1 f5 16.Bg7 Kg7 17.h3 Ngf6 18.ef5 ef5 19.Ne3 Rfe8? (19...Bg2 20.Nhg2 Qc6 21.Qc3=) 20.Rae1 (20.Bb7!? Qb7 21.Nhf5 gf5 22.Nf5 Kg8 23.Nd6+/–) 20...Nf8 (20...Bg2!? 21.Qg2 b5=) 21.Bb7+= Qb7 22.Qb2 Re6? (better is 22...Qf7+=) 23.Nd5+– Qf7 24.g4 fg4 25.hg4 Rde8 26.Re6 Qe6 27.g5 Qg4 28.Ng2 Re2 29.Qf6 Kg8 30.Ne7 (30.Ne7 Re7 31.Qe7 cb4 32.ab4+–) 1–0. McLaughlin,Noel (2025) – Lee,Martin (2050), BCF–chT3, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 d6 9.Qb3 Nbd7 10.d3 d5 11.cd5 Bd5 12.Qc2 Rc8 13.Nc3 Bb7 14.Qb3 Qc7 15.Rfc1 Qb8 (15...Rfd8 16.b5=) 16.a4 (16.b5 Qa8+=) 16...e6 17.b5 Bf3 18.Bf3 Ne5 19.Bg2 c4 20.dc4 Nc4 21.Ba3 Rfd8 22.Bb4 Ng4 23.Ra2 (23.Rd1 Qc7 24.Rac1 Bh6 25.Rd8 Qd8-/+ (25...Rd8?! 26.Rd1 Nd2 27.Qc2=)) 23...Nd2 24.Qa3 Nc4 25.Qb3 Nd2 26.Qa3 Qe5 (26...Ne5 27.Rac2=) 27.Rd2+= Rd2 28.Nd5 Rdc2? (28...Rd1! 29.Rd1 ed5 30.Bd5 Qe2+=) 29.Ne7+/– Kh8 30.Nc8 Qe2 31.Be1 Rc1 (better is 31...Nf2!? 32.Rc2 Qe1 33.Bf1 Nh3 34.Kg2 Qe4 35.Kh3 Qc2+–) 32.Qc1+– Bd4 33.h3 (better is 33.Na7 Bf2 34.Bf2 Qf2 35.Kh1+–) 33...Bf2+= 34.Bf2 Qf2 35.Kh1 Ne3 36.Qc6 (36.Qg1 Qg3 37.Na7 Kg8=) 36...Qe1= 37.Kh2 Qf2 38.Qf3 Nf1 39.Kh1 Ng3 40.Kh2 Nf1 41.Kh1 Ng3 ½–½. Vazquez Igarza,Renier (2565) – Sedlak,Nikola (2555), 20th European Teams, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 d6 9.Nc3 Nc6 10.Nd5 Nd5 11.Bg7 Ne3 12.fe3+= Kg7 13.Qb3 e5 14.bc5 Na5 15.Qc3 bc5 16.Rab1 Bc6 17.d4 f6 18.de5 de5 19.Ng5 fg5-/+ 20.Rf8 Qf8 21.Qa5= e4?? 22.Qc7+– (22.Qc7 Kh6 23.Qc6+–) 1–0. Giffard,N (2390) – Bergez,L (2425), Evry FRA, 2001.

8.a3 d6 9.d3 Nbd7 10.Nc3 e6 11.Rb1 Qe7 12.Ba1 Bc6 13.Re1 a5 (13...Rfc8 14.Qc2=) 14.bc5+= bc5 15.e4 Rfc8 16.h3 Ne8 17.Kh2 (17.Nd5 Qd8 (17...ed5? 18.ed5 Ba4 19.Qa4+–) 18.Bg7 Kg7=) 17...Rab8 18.Qd2 Qd8 19.Rec1 Rb1 20.Rb1 Rb8 21.Rc1 Bd4 (21...Ne5 22.Ne5 Be5 23.f4+=) 22.Nd4 (22.a4 Ng7=) 22...cd4+= 23.Ne2 (23.Nb5!? e5 24.Rb1+=) 23...e5-/+ 24.f4 Nc5 25.Rf1 Rb3 26.Nc1 Rb1 27.Qa2 Qb8 28.fe5 de5 29.h4 h5 30.Ne2 Rf1 31.Bf1 Nf6 32.Qd2?? Ng4 33.Kg1 Qb1 34.Bd4 ed4 35.Nd4 Qb6 36.Kh1 Bd7 37.Be2 Ne6 38.Bg4 Qd4 39.Be2 Qf2 40.Qd1 Nd4 (40...Nd4 41.Qf1 Qg3–+) 0–1. Bauer,Christian (2660) – Ju,Wenjun (2495), Cap d'Agde FRA,Trophee Karpov Prelim, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 d6 9.d4 cd4 10.Bd4 (10.Nd4 Bg2 11.Kg2 Qd7=) 10...Nbd7 (10...Qc8 11.Qb3=) 11.Nbd2 (11.Nc3 Rc8=) 11...e5 12.Bb2 Qe7 (12...e4 13.Nd4=) 13.Qb3 d5 (13...Rfd8 14.Ne1 d5 15.Nd3=) 14.Ne1+= dc4 (14...Bh6 15.Rd1 dc4 16.Nc4 Bg2 17.Ng2=) 15.Nc4= Bg2 16.Ng2 Qe6 (16...Rac8 17.Nge3=) 17.Nge3 Ng4 (better is 17...Rac8!?=) 18.Ng4+/– Qg4 19.Rad1 b5 (19...Rac8 20.Nd6 Rc6 21.Rd2+/–) 20.Ne3 Qh3 21.Qd5 Nf6 (21...Nb6 22.Qb5 Qe6 23.Rc1+/–) 22.Qb5 (22.Qe5 Nh5 23.Qb5 Bb2-/+) 22...Rfe8 (22...Ng4 23.Ng4 Qg4 24.Rd2+–) 23.Qc6 (23.Rd6 Rac8+–) 23...Rac8 24.Qa6 h5 (24...Ng4 25.Ng4 Qg4 26.Rd2+–) 25.Rc1 (25.Qa7!? h4 26.Rd6 Ng4 27.Ng4 Qg4+–) 25...Ng4+/– 26.Ng4 Qg4 27.Kg2 Rc2 (27...Qf5 28.Rfe1+/–) 28.Rc2 Qe4 29.Kg1 Qc2 30.Bc1 h4 31.Be3 h3 32.Rc1 Qb2 (32...Qb3 33.Qa7 Qd5+/–) 33.f3 (better is 33.Kf1!?+/–) 33...e4+= 34.Rc8 Qb1? (better is 34...Rf8 35.f4 Bc3 36.Rf8 Kf8+=) 35.Kf2+– Qh1? (better is 35...Kh7 36.Re8 Bc3 37.Rh8 Bh8+–) 36.Re8 Kh7 37.Re4 (37.Qc4!? Qh2 38.Ke1 Qg3 39.Bf2 Qg5+–) 37...Qh2 38.Ke1 Qg3 39.Kd2 h2 40.Bf4 Bh6 41.Qf6 Bf4 42.Rf4 h1Q 43.Qf7 Kh6 44.Qf8 Kg5 (44...Kh5 45.Rf5! gf5 46.Qh8 Kg6 47.Qg8 (47.Qh1?! Qd6 48.Ke1 Qd4 49.Qg2 Kf6+–) 47...Kh5 48.Qg3+–) 45.Qd8 Kh6 46.Qh8 Kg5 47.Qh1 Qf4 48.e3 Qd6 49.Ke2 Qa6 50.Kf2 Qa3 51.f4 Kf6 52.Qc6 Kf7 (52...Kg7 53.Qd7 Kf8 54.Qd6 Kf7 55.e4+–) 53.Qd5 Kg7 54.Qa5 (54.Qd4 Kg8+–) 54...Qb2 55.Kf3 Kh6 (55...a6 56.Qc7 Kh6 57.Qd8+–) 56.Qg5 Kh7 57.Qe7 Kh6 58.Qd8 (58.Qf8 Kh7+–) 58...Qa1 (58...Kh7 59.Qd7 Kg8 60.Qd6+–) 59.Qd4 Qh1 60.Ke2 Qg2 61.Kd3 Qa8 (61...Qf1 62.Kd2 Qg2 63.Kc3 Qc6 64.Kb2+–) 62.Qe5 (62.b5 Qb8 63.Qc5 Qe8+–) 62...Qd8 63.Kc3 Kh7 (63...Qc8 64.Kb2 a6 65.Qf6+–) 64.Qd4 (64.b5 Qa5 65.Kc4 Kg8+–) 64...Qc7 65.Qc5 Qg7 (65...Qd7 66.b5+–) 66.Kc4 a6 (66...Qf7 67.Kd4+–) 67.Kd5 Qd7 (67...g5 68.fg5 Qg5 69.Kc6 Qg6 70.Qd6 Qg2 71.Kb6+–) 68.Ke5 (68.Qd6 Qf5 69.Kc6 Qb5 70.Kc7 a5 71.ba5 Qa5 72.Kc8 g5 73.fg5 Qa8 74.Qb8 Qa4+–) 68...Qf5 (68...Kg7 69.Qd6 Qb7 70.e4+–) 69.Kd6 Qe4 (69...Qf8 70.Kd7 Qb8 71.Qe7 Kh6 72.Ke6 Qc8 73.Kf7 Qc4 74.Kf6 Qc3 75.Qe5 Qc6 76.Ke7 Qb7 77.Kd8 Qb6 78.Kc8 Qc6 79.Kb8 Qb6 80.Ka8+–) 70.Kc7 Qd3 (70...Kg8 71.Kb6 Qd3 72.e4+–) 71.Kb6 (better is 71.Qe7 Kh6 72.e4+–) 71...Kh6 (71...Qe2+–) 72.Qd4 Qb5 73.Kc7 Qe8 (73...Kh5 74.Qe5 Kg4 75.Qb5 ab5 76.Kc6+–) 74.Qd8 Qf7 75.Kd6 1–0. Kurajica,Bojan (2515) – Aguera Naredo,Javier (2350), 10. Montalvo Mem, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.a3 e6 9.d3 d5 10.bc5 bc5 11.Nbd2 Nbd7 12.Rb1 Rb8 13.Qa4 Qc7 14.cd5 ed5 15.Rfc1 Bc6 16.Qc2 Rfe8 17.Qd1 (17.e3 h6=) 17...Qd6 18.e3 a5 (18...Qe6 19.Qc2=+) 19.Qc2= a4 (19...Bb5 20.a4 Bc6 21.d4=) 20.Bc3 (20.d4 c4=) 20...Rb1 21.Rb1 Ng4 22.Bg7 Kg7 23.h3 Ngf6 24.Qc3 Kg8 25.Rc1 Rb8 26.d4 c4 27.Ne5 Rb3 (better 27...Ba8=) 28.Nb3+/- ab3 29.Qb4?? (better 29.g4+/-) 29...Qb4-+ 30.ab4 b2 (better 30...Ne5 31.Rb1 Nd3-+) 31.Rb1 c3 (better 31...Ne5 32.Rb2 Nd3-+) 32.Nd3=+ (32.Nc6?? c2 33.Rf1 b1Q-+) 32...Ba4 33.Nb2 Bc2 34.Na4 Ba4 (34...Bb1 35.Nc3 Be4 36.Be4 de4 37.f3 ef3 38.Kf2=+) 35.Rc1 c2 36.Bf1 (better 36.f3=) 36...Kf8?? (better 36...Ne4=+) 37.Bd3+/- Ke7 38.Bc2 Bc2 39.Rc2 Ne4 40.Kg2 Nd6 41.Rc7 f5 (41...Ke6 42.g4+/-) 42.g4 (42.Kf3 Ke6+/-) 42...h5 (42...fg4!? 43.hg4 h5+/-) 43.gh5+- gh5 44.Kg3 Ne4 45.Kf3 Nd2 (better 45...Ng5!? 46.Kg2 Ne6+-) 46.Kf4+- Ne4 47.f3 Nd6 48.Kg5 (48.h4 Kd8 49.Rc6 Ke7+-) 48...Ke6 (48...Nc4 49.e4 Nd2 50.ed5 Nf3 51.Kf5 Nd4 52.Kg5+-) 49.Kh5 (49.Rc3 Kf7+-) 49...Nc4? (better 49...f4!? 50.ef4 Nb5+/-) 50.e4 fe4 51.fe4 Ne3 (51...Kd6 52.Rc8 Nd2 53.ed5 Nf3+-) 52.Rc6 Ke7 53.e5 (better 53.ed5 Nd5 54.b5 Nf4 55.Kg4+-) 53...Nf5+= 54.Kg5 Nd4 55.Rd6 Ne6 56.Kf5 Nd4 57.Kf4 Ne6 58.Ke3 Ne5? (better 58...Nc7+/-) 59.Rd5+- Nc6 (59...Nc4 60.Ke4+-) 60.b5 Nc7 (60...Na5 61.h4 Nc4 62.Kf3+-) 61.Rh5 (better 61.Rc5 Nb5 62.Rc6 Nd6+-) 61...Na5 62.Kd4 (62.Ke4 Ne8 63.Kd3 Nf6+-) 62...Kd6 (62...Ne6 63.Kc3 Kd6 64.h4+-) 63.Rh6 Kd7 (63...Ne6 64.Ke4 Nb3 65.h4+-) 64.Kc5 Kc8 (64...Nb3 65.Kc4 Na5 66.Kb4+-) 65.Kb6 (better 65.b6 Nb7 66.Kc4 Ne8+-) 65...Nc4 66.Kc5 Ne5?? (66...Na5 67.b6 Ne8+-) 67.b6+- Nd7 68.Kc6 (68.Kd6 Nb6 69.Kc6 Kd8 70.Kb6 Ne8+-) 68...Nb8?? (68...Ne5 69.Kd6 Nf7 70.Kc5 Nh6 71.bc7 Kc7 72.h4=) 69.Kc5 Nca6?? (69...Nd7 70.Kd6 Nb5 71.Kc6 Nd4 72.Kd5 Ne2 73.Rh8 Kb7+-) 70.Kb5+- Kb7 (70...Nc7 71.bc7 Kc7+-) 71.Rh7 Kc8 72.Rh8 (72.h4 Kd8 73.h5 Ke8+-) 72...Kb7 (72...Kd7 73.h4 Ke7+-) 73.h4 1-0. Spiritchaser84 (2255) - Lance5500 (2415), lichess.org, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

8.b5 a5 9.Nc3 e6 10.Na4 d5 11.d3 d4 (11...Nbd7 12.Ne5=) 12.e3+= de3 13.fe3 Nbd7 14.Ne5 (better 14.Qe2+=) 14...Bg2-/+ 15.Kg2 Ne5 16.Be5 Nd7 (better 16...Nd5 17.cd5 Be5-/+) 17.Bg7+= Kg7 18.d4 Qc7 19.Rc1 Rad8 20.Qf3 Rc8 21.Rf2 f5 22.Rd2 Rf7 23.Qf4 Qb7 24.Qf3 Qc7 25.Kg1 e5 26.Qd5 (26.de5 Ne5 (worse 26...Qe5 27.Rd7 Rd7 28.Nb6+=) 27.Qf4 Re8=) 26...ed4 27.ed4 f4 28.dc5 Nc5 29.Nc5 Qc5 30.Qc5 Rc5 31.Rd6 fg3 32.Rb6 gh2 33.Kh1 (33.Kh2 Rf2 34.Kg3 Ra2 35.Rb7 Kf6 36.Rh7 Ra3 37.Kf2 a4=) 33...Rf2 (33...Rfc7 34.a3 Rc4 35.Rc4 Rc4 36.Rc6-/+) 34.a4 Rg5 35.Rd6 Re5?? (better 35...Ra2!?=) 36.b6 (36.c5 Kf8+–) 36...Rb2 (36...Rc5!?+–) 37.Rd7+– Kh6 38.b7 (better 38.c5 Re6 39.c6 Rb6 40.c7+–) 38...g5?? (better 38...Rc5+–) 39.Rc2 (better 39.c5 g4 40.c6+–) 39...Rb1 (39...Re1 40.Kh2 Rc2 41.Rd2 Rd2 42.Kg3 Re3 43.Kg4 Rd4 44.Kf5 Rf4) 40.Kh2+= Kg6?? (40...Rc5 41.Rc1!? Rb2 42.Kg1+=) 41.Kg3?? (better 41.c5 Re4 42.c6 Rh4 43.Kg2 Rg4 44.Kf2 Rf4 45.Ke3+–) 41...Rb3 42.Kf2 Rf5 43.Ke2 Rf7 44.Rf7 (44.Rd6 Rf6 45.Rd7 Re6 46.Kd1 Rb1 47.Rc1+–) 44...Kf7-/+ 45.c5 Rb7 46.Kd3 Ke6 47.c6 Rc7 48.Rc5 h6 49.Kc4 Kd6 50.Kb5 Ra7?? (better 50...Rc8-/+) 51.Rc1 (51.Kb6 Rc7 52.Rc2 Rc8+–) 51...Rg7? (better 51...Kc7 52.Rf1 Ra8+–) 52.Kb6+– White plans c7 (52.Ka5?! Kc7 53.Kb5 g4=) 52...Rg8 53.c7 (53.Ka5 Kc7 54.Kb5 Rb8 55.Kc5 Rb6-/+) 53...Re8 (53...Kd7 54.Kb7 h5+–) 54.c8Q (better 54.Rd1 Ke6 55.Re1 Kd7 56.Re8 Ke8 57.c8Q Kf7 58.Qf5 Ke7+–) 54...Rc8 55.Rc8 h5 56.Ka5 (56.Ka5 g4 57.Kb6+–) 1–0. Parals Marce,L (2035) – Rex,T (1910), 19th Miquel Mas Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d5 12.cd5 Qd5 13.Nc3 Qd6 14.d3 Nbd7 15.Nd2 (15.Qc2 h6=) 15...Bg2=+ 16.Kg2 Ra8 17.Qb3 Qc7 18.Bb2 h5 19.Ra1 Ra1 20.Ba1 Qb7 21.Kg1 h4 22.gh4 Nh5 23.Qa4 Bd4 24.Qa6 Qb8 25.e3 Bf6 26.Nd5 Bh4 (26...Ba1 27.Ne7 Kh7 28.Qa1=) 27.Nc4+/- Bf2 28.Kg2 (worse 28.Kf2 Qh2 29.Ke1 Qh1 30.Kd2 Qg2 (30...Qd5?! 31.Qc8 Nf8 32.Qc6=) 31.Kc3 Qd5 32.Qc8 Kh7-/+) 28...Bh4 29.Ndb6 Nb6 30.Nb6 (30.Qb6? Qa8 31.Qc6 Qa1-+) 30...Bf6 31.Bf6 Nf6 32.Qc8 Qc8 33.Nc8 Kf8 34.b6 Nd7 35.b7 Ke8 36.Nb6! Nb8 (36...Nb6 37.b8Q Double attack (37.b8Q Decoy)) 37.Kf3 Kd8 38.Na4 Kc7 (38...c4!? 39.dc4 Kc7+=) 39.Nc5+/- Nc6 40.d4 (40.Kf4 f6 41.Ke4+-) 40...Na5? (40...Nd8 41.b8Q Kb8 42.e4+=) 41.Kf4 (41.b8Q!? Kb8 42.Nd7 Kc7 43.Ne5+-) 41...f6 (41...Nb7 42.Nb7 Kb7 43.Kg5+/-) 42.h4 Nb7 43.Ne6 Kd6 44.Nf8 g5 45.hg5 fg5 46.Kg5 e5 47.Kf5 ed4 48.ed4 Nc5 49.dc5 Kc5 ½-½. Wheeler,Cameron (2395) - Khanin,S (2510), Pan-Am Intercollegiate, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d5 12.cd5 Bd5 13.d4 (13.Nc3 Bb7=) 13...Nbd7 (13...Nh5 14.Na3=) 14.Nc3 Ba8 15.d5 (15.Qa4 Qc7=) 15...Ne8 (15...Nd5!? 16.Nd5 Ba1=+) 16.e4= Nd6 17.Qe2 Ne5 (17...e5 18.Nd2+=) 18.Ne5 Be5 19.f4 (19.Na4 Ba1 20.Ra1 e6+=) 19...Bd4= 20.Kh1 e5 21.f5 (21.fe5 Be5 22.Na4 Re8 23.Be5 Re5=) 21...Qg5 (21...gf5 22.ef5 Qf6 23.Na4=) 22.fg6 hg6 23.Bb2 Qe3 (23...f5 24.Na4 Qd8 25.Bd4 cd4 26.ef5 Nf5 27.Qf3=+ (worse 27.Qe5 Re8 28.Qf4 Bd5 29.Bd5 Qd5 30.Kg1 Qb5-/+)) 24.Qe3 Be3 25.Rf6 (25.Na4 Nc4+=) 25...Rd8= 26.Na4 Kg7?? (better 26...Bd4=) 27.Rd6!+- Rd6 28.Be5 Rf6 29.Nb6 (worse 29.Bf6 Kf6 30.Nb6 Bb7+-) 29...Bb7 30.Nd7 Bd4 31.Bf6 Bf6 32.e5 Be7 (32...Bd8 33.Nc5 Bc8 34.d6+-) 33.d6 Bg2 34.Kg2 Bd8 35.Nc5 f6 (35...Ba5+-) 36.Ne6 (36.Ne6 Kh7 37.Nd8 fe5 38.d7 Kg8 39.Nc6 Kf7 40.d8Q Ke6 41.b6 g5 42.b7 Kf5 43.b8Q Kg6 44.Qg8 Kh6 45.Qe6 Kh5 46.Qbe8) 1-0. Marin Masis,Jose Esteban (1935) - Veiga,Emerson de Sousa (2070), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d6 12.d3 d5 13.cd5 Bd5 14.Nc3 Bb7 15.Bb2 Nbd7 16.Qb3 Qc7 17.Ra1 Nh5 18.Ra7 Ra8? (better is 18...Qb8 19.Qa4 Nhf6+=) 19.Rb7!+– Qb7 20.Ng5 e6 (20...Qa7 21.Ba8 Qa8 22.Qf7 Kh8 23.Qe7 Ndf6+–) 21.Bb7 Ra7 22.Bc6 Ne5 23.Nce4 h6 24.Be5 hg5 25.Bg7 Ng7 26.Nf6 Kh8 27.Qc3 Rc7 28.Ne8 f6 29.Nc7 Kh7 30.Qf6 (30.Qf6 g4 31.Be8 Nh5 32.Bg6 Kh6 33.Bh5 Kh5 34.Ne8 c4 35.Ng7#) 1–0. Figura,Atila Gajo (2390) – Neumann,Frank (1650), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009.

8.b5 d5 9.d3 Nbd7 10.Ne5 Qc7 (10...Ne5 11.Be5 Qc8 12.cd5 Nd5 13.Bg7 Kg7 14.Qb3=) 11.Nd7 (11.Nc6!? e6 12.Qb3=) 11...Qd7=+ 12.Be5 (12.Nd2 a6=+) 12...Rad8 (better 12...dc4!? 13.Bb7 Qb7 14.dc4 Qe4 15.Bf6 Bf6-/+) 13.Qc2=+ dc4 14.Qc4 Bg2 15.Kg2 Qd5 (15...Qf5 16.Bc3=+) 16.Qd5= Rd5 17.Bb2 Rc8 18.Nd2 Ne8 19.Bg7 Kg7 20.Nc4 (20.a4 Re5 21.Rfe1 Re6=) 20...Nd6=+ 21.Nd6 ed6 22.Rfc1 Rd4 (22...Re8 23.Kf1=+) 23.Rc4= d5 24.Rd4 cd4 25.a4 Rc2 26.Kf1 Rb2 27.Ke1 Kf6 28.Kd1 h5 29.h3 g5 (29...Ke6 30.f4=) 30.a5 (30.Rc1 Ra2=) 30...Rb5=+ 31.ab6 ab6 32.Kc2 Rc5 33.Kb2 (33.Kd2 Ke5=) 33...Rc6=+ 34.Ra8?? (better 34.Kb3=+) 34...Re6-+ 35.Rd8 (35.Kc1 Re2 36.Ra6 Rf2 37.Rb6 Ke5-+) 35...Re2 36.Kc1 (36.Kb3 Rf2 37.Rd5 Rh2 38.Rd4 Rh3 39.Rd6 Kf5-+) 36...Rf2 37.Rd5 Rf3 (37...Rg2 38.h4 g4 39.Rh5 Rg3 40.Rg5-+) 38.h4 (38.Rd4 Rg3 39.Kd2 Rh3-+) 38...g4 (38...Rd3?! 39.Rg5 Rc3 40.Kd2-+) 39.Rh5 (39.Rd4 Rg3 40.Kd2 Rh3-+) 39...Rd3 40.Rh6 (40.Rg5 Rg3 41.Kd2 Ke6-+) 40...Kf5 41.Rb6 (41.Rh5 Ke4 42.Rh7 Rg3 43.Rf7 Rg1 44.Kc2 g3 45.Re7 Kd5 46.Rd7 Ke5 47.Re7 Kf6-+) 41...Rg3 42.h5 Kg5 (better 42...Rh3 43.Rb7 f6 44.Kd2-+) 43.h6 (43.Kd2 Kh5 44.Rd6 d3 45.Rd5 Kh4-+) 43...Rh3 44.Rd6 (44.Rb5 f5 45.Kd2-+) 44...g3 45.Rd5 f5 46.Kd2 g2 47.Rd8 (47.Rd7 Rh6 48.Rd5 g1Q 49.Kc2 Qe3 50.Rf5 Kf5 51.Kb1 Qe2 52.Kc1 Rh1) 47…Rh6 (47...Rh6 48.Ke2 g1Q 49.Rg8 Rg6 50.Rg6 Kg6 51.Kd3 Qe3 52.Kc4 d3 53.Kb4 f4 54.Ka5 d2 55.Kb5 d1Q 56.Kc6 Qa7 57.Kb5 Qda4) 0-1. TheLuzhinDefence - Lance5500 (2580), lichess.org, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

8.b5 d5 9.cd5 Bd5 10.Nc3 Bb7 11.Qc2 Nbd7 12.d4 (12.Rfd1 a6=) 12...Qc7 (12...Bf3 13.ef3 cd4 14.Ne2+=) 13.dc5= Nc5 14.Nd4 Bg2 15.Kg2 e6 16.Nc6 Qb7 17.f3 Rac8 18.Rfd1 a6 19.a4 Na4 (19...Rc7 20.e4=) 20.ba6+= (worse is 20.Na4 ab5 21.Rac1 ba4 22.Bf6 Bf6 23.Qa4 Rc7-/+) 20...Qc6 21.Qa4 (21.Ra4? Nd5 22.Rd5 ed5–+) 21...Qa4 (21...Qa8!?+=) 22.Ra4+/– Ng4 23.fg4 Bc3 24.Bc3 Rc3 25.a7 Rcc8 26.Rb1 Kg7 27.Rb6 Ra8 28.Rb7 h6 29.h4 Kf6 30.Rf4 Kg7 31.g5 hg5 32.hg5 Kg8 33.Rc4 Kg7 34.Rcc7 Rad8 35.Re7 Kg8 36.Kf3 Rc8 37.Kf4 Rcd8 38.e4 1–0. Pfeiffer,Alfred – Sommer, FRG–ch M corr, 1977. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5)

8.b5 d5 9.cd5 Nd5 10.Bg7 Kg7 11.d4 Nd7 12.Qb3 e6 13.Nbd2 cd4 14.Nd4 Nc5 15.Qb2 Qf6 16.Rae1 Na4 17.Qa1 e5?? 18.Nc6 Nc7 19.Ne4 Qe6 20.Ne5 Nb5 21.Nf7 1–0. Murka – Kristov, corr 1964–65.

8.b5 d5 9.cd5 Nbd7 10.d3 Bd5 11.Nbd2 a6 12.a4 Ra7 13.Qc2 Qa8 14.Nc4 Re8 15.e4 Bb7 16.a5 ab5 17.Nb6 Nb6 18.ab6 Ra1 19.Ra1 Qc8 20.Rc1 c4 21.e5 Nd5 22.dc4 bc4 23.Qc4 Qd8 24.Bd4 Qd7 25.Qb3 Ra8 26.Ng5 e6 27.Ne4 Nf4 28.gf4 Qd4 29.Nf6 Bf6 30.Bb7 Ra1 31.Ra1 Qa1 32.Kg2 Bd8 33.Bf3 Qd4 34.b7 Bc7 35.b8Q Bb8 36.Qb8 Kg7 37.Kg3 h5 38.h4 Qa1 39.Qd8 Qg1 40.Bg2 Qe1 41.Qf6 Kg8 42.Qd8 Kg7 43.Qd4 Qb1 44.Qe4 Qd1 45.Qf3 Qe1 46.Kh2 Qd2 47.Qe3 Qd8 48.Qg3 Qd4 49.Bf3 Kh7 50.Kg2 Qd2 51.Qg5 Qd4 52.Bh5! gh5 53.Qh5 Kg7 54.Qg5 Kh7 55.Qf6 Kg8 56.h5 Qe4 57.Kh2 Qf3 58.Qh4 Kh7 59.h6 Qe2 60.Kg2 Qe4 61.Kg3 Qd3 62.f3 Qg6 63.Qg5 Qh6 64.Qh6 Kh6 65.Kg4 Kg6 66.f5! Kh6 (66...ef5 67.Kf4) 1–0. Azar,Jose Salomon – Zalisnak,Jacobo, Buenos Aires GP I, 1992.

8.bc5 bc5

9.Qb3 Bc6 10.Nc3 d6 Covers e5 11.d3 Prevents intrusion on e4 11...Nbd7 12.Rab1 Qa5 13.Ba1 Rab8 ½–½. Enigl,Karl (2205) – Ebner,Johann (2090), Schwarzach op–A, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 b6)

9.Nc3 d6 10.Rb1 Nc6 11.Nd5 Rb8 (11...Nd5 12.cd5 Na5 13.e4=) 12.Nf6 (12.Bf6 ef6 13.d4 f5=) 12...ef6= 13.Bc3 Qc7 (13...Qe7 14.Qa4=) 14.Qa4+= f5 (14...Ba8 15.d4+=) 15.Ne1 (15.Bg7 Kg7 16.e3 Nb4+=) 15...Bc3= 16.dc3 Bc8 17.Rb8 Nb8 18.Nd3 Nd7 19.Qb5 (19.Nf4 Nb6 20.Qb3 Ba6+=) 19...Nf6 (19...Nb6 20.Nf4=) 20.Rb1 g5 (20...Ne4 21.Rb3=) 21.Qb2 h6 (21...Qe7 22.Qc1 h6 23.Rb2=) 22.Qc2 Qd7 (22...Ne4 23.Nc1=) 23.Qc1 (23.Bd5 Nd5 24.cd5 f4=) 23...Kg7 24.h4 (24.e3 Qa4=) 24...gh4+= 25.gh4 Qe7 26.Qf4 (26.Bf3 Rg8+=) 26...Rg8 27.Kf1 Ne4 28.Rb8 Nc3 (28...Qe6 29.Nb2+=) 29.e3 Qf6 (worse is 29...Na2 30.Bb7 Qe6 31.Bc8 Rc8 32.Rc8 Qc8 33.Qg3 Kh7 34.Qd6+/–) 30.Ra8 Kh7 31.Ra7 Rg4 32.Qh2 Ne4 (32...Rc4 33.Ra8 Ne4 34.Be4 fe4 35.Ne1–+) 33.Bh3 Rg6 34.h5 Rg5 35.Bg2 0–1. Janek – Kimmi, internet, 2017.

9.Nc3 d6 10.Rb1 Nbd7 11.d3 Rb8 12.Qa4 Qc8 13.e4 (13.Qa7?? Ra8 14.Qb7 Qb7–+) 13...Qc6 14.Qc2 (< 14.Qa7 Ra8 15.Nd5 Ra7 (< 15...Nd5 16.ed5 Qc7 17.Qb7 Qb7 18.Bg7 Qb1 19.Rb1 Kg7 20.Rb7=+) 16.Ne7 Kh8 17.Nc6 Bc6-/+) 14...Qa6 15.Nd2 Bc6 16.Nb3 Ba4 17.f4 e6 18.Bh3 (18.Na4 Qa4 19.Ba1 Rb6=) 18...Nh5 19.g4 Bd4 20.Kh1 Bb3 21.ab3 Ng7 22.Nb5 Bb2 23.Qb2 Qb6 24.e5 de5 25.fe5 Ne8 26.Rfe1 a6 27.Nc3 Qd8 28.Ne4 Qh4 29.Kg2 f5 (29...h6!?=+) 30.ef6+= Nef6 31.Qf2 ½–½. Fazekas,Stefan – Lange,Helmut, Hoogovens–C Beverwijk, 1963.

9.Nc3 d6 10.Rb1 Nbd7 11.d3 Bc6 12.Qc2 Rb8 13.Nd2 Bg2 14.Kg2 Ne5 15.e3 Qd7 16.Ne2 h5 17.Bc3 h4 18.h3 hg3 19.fg3 Nh7 20.Nb3 Ng5 21.Nf4 Ne6 22.Nd5 Ng5 23.Nf4 Ne6 24.Nd5 ½–½. Tramacere,Salvatore (2320) – Manley,Jonathan P (2400), ICCF corr W–25ch sf18, 2001.

9.d3 Nc6 10.Nc3 Rb8 11.Rb1 d6 12.Ba1 Qd7 13.Qa4 Ba8 14.a3 Rb1 ½–½. Steiner – Schrey, 1994.

9.d3 d6 10.Nc3 Qa5 11.Rb1 Bc6 12.Nd2 Bg2 13.Kg2 Nc6 14.Qa4 Qa4 15.Na4 Rab8 16.Bc3 Rfc8 ½–½. Hellmayr,Alois (2250) – Pruefer,Stefan (2180), Oberliga Bayern 0001 (Bayern) (4), 2001.

9.d3 d6 10.Nbd2 Nbd7 11.Rb1 Bc6 12.Bc3 Ne8 ½–½. Kivipelto,Kaj Erik (2240) – Hautaniemi,Jarmo, FIN–chT1, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 b6)

9.Nc3 Nc6

10.Rb1 Rb8 11.d3 d6 12.Ba1 Ba8 13.Rb8 Qb8 14.Qd2 Qc7 15.Rb1 Rb8 16.Rb8 Qb8 17.Qb2 Nd7 18.Qb8 Ncb8 19.Bb2 Bf3 20.Bf3 Na6 21.a3 Nb6 22.Nd1 Bb2 23.Nb2 Nc7 24.Kf1 Kf8 25.Ke1 e6 26.Kd2 Ke7 27.Kc3 d5 28.e3 Kd6 29.d4 Na6 30.Be2 f6 31.Kb3 cd4 32.ed4 dc4 33.Nc4 Nc4 34.Kc4 Nc7 35.Bf3 g5 36.h4 h6 37.Bb7 f5 38.hg5 hg5 39.Bf3 Ne8 40.Kb5 Nc7 41.Kc4 g4 42.Bg2 Ne8 43.Kb5 Nc7 44.Kc4 a6 45.Bb7+= Nb5? 46.a4 Nc7= 47.a5 Nd5 48.Ba6 Kc7 49.Kc5 Nf6 50.Bd3 Nd7 51.Kb5 1–0. Zimmerer,Martin – Dubeck,Michael, Badenweiler op, 1988.

10.Rb1 Rb8 11.d3 d6 12.Qd2 e5 13.Ng5 h6 14.Nge4 Ne8 15.Nd5 f5 16.Nec3 Nb4 17.Ba1 Bd5 (17...Nc7!?=) 18.Nd5+= Nd5 19.Bd5 Kh7 20.Qc2 Nc7 21.Rb8 Qb8 22.Rb1 Qd8 23.Bg2 f4 24.Qa4 fg3 25.hg3 h5 (25...Qf6 26.f4+=) 26.Bf3 Ne6 27.Qc6 (27.Qa7 h4+/–) 27...Ng5 28.Kg2 (28.Bg2 Qa5 29.Qd6 Nf7+/–) 28...Qf6 (28...Nf3 29.ef3 Rf7 30.Qe4+=) 29.Rh1 (29.Rb7 a6=) 29...Bh6 (29...Qf7 30.Qd5 Nf3 31.Qf3 Qf3 32.ef3+=) 30.Bc3 Rf7 31.Be1 Ne6 (31...Nf3!? 32.ef3 Qf5+=) 32.Qa8 Nd4 33.Bd5 Rf8 34.Qa7 Kh8 35.Be4 Rf7 36.Qb8 Kg7 37.Qb2 Bg5 38.Bd5 Rf8 39.e3 Nf5 40.Qe2 h4 41.g4 Ne7 42.Be4 Qe6 43.a4 d5 44.cd5 Nd5 45.a5 Nf6 46.Bb7 Qb3 47.a6 Qa3 48.Rf1 Nd7 49.Qd2 Qa4 50.Kh3 e4 51.Qa5 Qc2? 52.Qc3 (52.Qc3 Qc3 53.Bc3 Kh6 54.Be4 Be3 55.a7+– (worse is 55.fe3 Rf1 56.a7 Rf8+–)) 1–0. Rahman,Ziaur (2475) – Chatterjee,Debaraj (2245), Dhaka BAN, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 c5 8.bc5 bc5)

10.Rb1 Nd4 11.Nd4 Bg2 12.Kg2 cd4 13.Nb5 Qc8 14.d3 e5 15.Kg1 (15.e3!? Qc6 16.Qf3=) 15...d5= 16.Ba3 Qh3 17.f3 (17.Bf8?? Ng4 18.Re1 Qh2 19.Kf1 Qf2) 17...dc4 (better is 17...Rfc8!? 18.Nd6 Rc7=+) 18.Bf8+= Bf8 19.dc4 Nh5 20.Qe1 (20.Qd3 Bc5 21.Qe4 Re8+/–) 20...Rc8 21.Na7 Rc4 22.Nb5 Bc5 23.Rf2 d3 24.ed3 Bf2 25.Qf2 Ra4 26.Nd6 Ra8 27.Nc4 Qe6 28.Qb2 Re8 29.Re1 f6 30.Qb3 Kh8 31.Nd2 Qd6 32.Ne4 Qd4 33.Kg2 Rc8 34.Rb1 Rd8 35.Qf7+/– Qd7?? 36.Nd6!!+– e4 37.Rb7 ef3 38.Kf2 (38.Kf2 Qf7 39.Nf7 Kg8 40.Nd8+–) 1–0. Fuller,Maxwell L – Flatow,Alfred, AUS–ch Melbourne, 1972.

10.Nd5 Nd4 11.Nd4 Nd5 12.cd5 cd4 (< 12...Bd4 13.Bd4 cd4 14.Rb1+/–) 13.Qa4 Qb6 14.Rab1 Rab8 15.Qd7 Ba6 16.d3 Bb5 17.Qg4 Ba4 18.Rfc1 h5 19.Qf4 Rfc8 20.Rc8 Rc8 21.Rc1 Rc1 22.Qc1 Bd7 23.Ba3 Bf6 24.h3 Qa5 25.Kh2 h4 26.g4 g5 27.Be4 Kg7 28.Kg2 Be8 29.Qb2 Bd7 30.Bb4 Qb5 31.Qa3+– e6 32.de6 Be6 33.Bf8 Kg8 34.Be7 Be7 35.Qe7 1–0. Schneider,Lars Ake (2455) – Marklund,Goran (2200), SWE–ch Karlskrona, 1983.

10.Nd5 Nd5 11.Bg7 Kg7 12.cd5 Nb4 13.d4 Nd5 14.dc5 Nf6 15.Qd4 Qc7 16.Rfd1 Rac8 17.Rac1 Rfd8 18.h4 Qa5 19.h5 Bf3 20.Bf3 d6 21.c6 Rc7 22.hg6 hg6 23.Kg2 Rh8 24.Rh1 Rh1 25.Rh1 g5 26.g4 Qe5 27.Qb4+= Qe6? 28.Qa5+– Ne8 29.Qg5 Qg6 30.Qh4 Kf8 31.Rb1 f5 32.Qh8 Kf7 33.Bd5 e6 34.Rb8 Ke7 35.Be6! Qg4 36.Kf1 Ke6 37.Qe8 Kd5 38.Rb5 Kc4 39.Rb3 Rh7 40.Qe6?? d5= 41.Ke1?? Rh1 42.Kd2 Qd4 43.Rd3 Qb2 44.Ke3 Qc1 45.Rd2 Rh3 46.f3 Qg1 47.Kf4 Qg3 48.Kf5 Rh5 49.Kf6 Qg5 50.Kf7 Rh7 51.Ke8 Rh8 52.Kf7 Qg8 (52...Qg8 53.Kf6 Rh6 54.Kf5 Qe6 55.Kf4 Qf6 56.Ke3 Qg5 57.Kf2 Rh2 58.Kf1 Qg2 59.Ke1 Qh1) 0–1. Schneider,Lars Ake (2455) – Pribyl,Josef (2415), Eksjo, 1983.

7.0-0 d6

8.b5 c5 9.bc6 Nc6 10.Nc3 Na5 11.d3 d5 12.Nd5 Nd5 13.Bg7 Kg7 14.cd5 Bd5 15.Qd2 Rc8 16.h4 Qd6 17.h5 Rc7 18.h6 Kg8 19.e4 Bb7 20.Qb2 f6 21.Rad1 Rfc8 22.Bh3 Rc2 23.Qa1 Rd8 24.Rfe1 Qc5 25.d4 Qc3 (25...Qh5 26.Be6 Kh8 27.Kg2 Qh6 28.d5=) 26.Be6 Kf8 27.Qc3 Rc3 28.Kg2 Nc4 29.Re2 (29.d5 Na3+=) 29...Nd6 30.d5 Ba6 31.Ree1 Nf7 32.Rc1 Rc1 33.Rc1 Nh6 34.Nd4 Bd3 35.f3 f5 (35...Nf7 36.Rc7+/–) 36.Nc6 (36.Rh1 Kg7 37.Bf5 Rd5 38.ed5 Nf5 39.Nf5 gf5+–) 36...Ra8 (36...Re8 37.Rh1 Kg7 38.Bd7+/–) 37.e5 (better is 37.Rh1!? Kg7 38.e5+–) 37...Nf7+= 38.Kf2 Nd8 39.Bd7 Bb5 40.e6 Nb7 41.Nd4 Ba6 42.Rc7+/– Nd6 43.Bc6 Rd8 44.Ra7 Bc4 45.a3 Ba2 46.Nc2 Nc4? 47.Nb4+– Bb3 48.Bd7 Kg7 49.Nc6 Rh8 50.Ne7 Kf6 51.Nc6 Nd6 52.Nb4 Bc4 53.Bc6 Ke5 54.Rd7 Nb5 55.f4 Kd4 56.e7 (56.e7 Re8 57.d6+–) 1–0. Peyrat,Olivier (2230) – Stephan,Jean Marie (2265), FRA–chT1B, 2009. (=1.Nf3 Nf6 2.g3 g6 3.b4 b6 4.Bb2 Bg7 5.c4 0-0 6.Bg2 Bb7 7.0-0 d6)

8.Qc2 Nbd7 9.Rd1 e5 (9...a5!?=) 10.Ne5+= Bg2 11.Nd7 Be4 12.Nf6 Qf6 13.Bf6 (13.Qe4?! Qb2 14.Nc3 Bc3=) 13...Bc2 14.Bg7 Kg7 15.Rc1 Be4 16.Nc3 Bc6 17.d4 Rfe8 18.f3 a5 19.b5 Bb7 20.Kf2 Re7 21.e3 Rae8 22.Re1 f5 23.Re2 g5 24.d5 Bc8 25.Rae1 h6 26.f4 Kg6 27.Kf3 Bd7 28.fg5 hg5 29.h4 Rh7 30.Rg2 Kf6 31.Rh2 gh4 32.Rh4 Rh4 33.gh4 Rh8 34.Rh1 Ke5 35.Ne2 Be8 36.Nf4 Bh5 37.Kf2 Rh7 38.Ne6 Rh8 39.Ng5 (39.Nc7 Rc8 40.Ne6 Rc4+/–) 39...Rg8 40.Rg1 Rh8 41.Rg2 Rh6 42.Kg3 Rf6 43.Rf2 Rh6 44.Rf4 Rf6 (better is 44...Rg6+–) 45.e4 fe4 46.Re4 Kf5 47.Rf4 (47.Re7 a4+–) 47...Ke5 (47...Kg6 48.Ne6+–) 48.Rf6 (better is 48.Nf3!? Bf3 49.Rf6 Bd5+–) 48...Kf6 49.Kf2 a4 50.a3 1–0. Hurttlen,R – Peskoff,M, corr, 1973. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 b6 6.Bg2 Bb7 7.0-0 d6)

8.Nc3 Nbd7 9.Qc2 e6 10.Rac1 c5 11.a3 Qe7 12.d4 (12.Qd3 Rfd8 13.Qe3 cb4 14.ab4 d5 15.cd5 Qb4 16.de6 Qb2 17.ed7 Rd7=) 12...Rac8 (12...cd4 13.Nd4 Bg2 14.Kg2=+) 13.Qb3 cd4 14.Nd4 Bg2 15.Kg2 Ne5 16.Nb1 Qb7 17.Nf3 Nf3 18.Qf3 Qf3 19.Kf3 Nd7 20.Bg7 Kg7 21.Nd2 Kf6 22.Ke3 Ke7 23.f4 Rc7 24.Kd3 f5 25.e4 Rfc8 26.ef5 gf5 27.Nb3 Nf6 28.b5 d5 29.cd5+= Rc1 30.Rc1 Rc1 31.Nc1 Nd5 32.Kd4 Kd6 33.Nd3 Nc7 34.a4 a6 35.ba6 Na6 36.Kc4 Nc7 37.Ne5 Nd5 38.Kd4 Nc7 39.Nc4 Kc6 40.Ke5 Kc5 41.Nd6 Kb4 42.Nc8 Ka4 43.Nb6+– Kb5 44.Nd7 1–0. Janata,Michael – Trejbal,Dusan, Harrachov, 1964.

8.Nc3 e5 9.d3 Nbd7 10.a4 a5 11.b5 Nc5 12.Nd2 Bg2 13.Kg2 d5 14.cd5 Nd5 15.Nce4 Ne6 16.Qb3 Nd4 17.Bd4 ed4 18.Rac1 Nc3 (18...Kh8!? 19.Nf3 Rc8=) 19.Nc3+/- dc3 20.Ne4 (20.Rc3?! Bc3 21.Qc3 Rc8=) 20...Re8 21.Rfe1 Re4 22.de4 Qd4 23.Qd5 Re8 24.Qd4 Bd4 25.Kf3 Kg7 (better 25...Re6 26.Red1 Rf6 27.Kg4 h5 28.Kh3 Bf2 29.Rc3 Bc5+-) 26.Red1 Bf6 27.Rd7 Rc8 28.Kf4 h6 29.h4 g5 (29...Re8+-) 30.Kf5 Re8 31.f4 1-0. Xiong,Jeffery (2685) - Ibarra Jerez,JC (2570), Titled Tue (9), 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.d3 a6 9.Qd2 h6 10.Nc3 Nbd7 11.e4 Ne5 12.Nh4 c5= 13.b5 Nh5 14.Qe2 ab5 15.Nb5 Nc6 16.f4 Qd7 17.a3 Ba6 18.Nf3 Bb5 19.cb5 Na5 20.e5 Qb5 21.Ne1 Nb3 22.Ba8 Ra8 23.Rd1 Ra4 24.Qf3 e6 25.Nc2 Kh7 26.Qe3 Bf8 27.g4 Ng7 28.Rb1 Qa5 29.ed6 Bd6 30.Bg7+/– Nd2 31.Be5 Be5 32.fe5 Rg4= 33.Kf2 Rg5 34.h4 Rf5 35.Kg1 Nb1 36.Rb1 Qc3 37.Ne1 Re5 38.Qf2 Rf5 39.Qb2 Qa5 40.Ng2 Qa4 41.Rf1 Rf1 42.Kf1 b5 43.Qf2 Qa7 44.Qf6 Kg8 45.Qc3 Qc7 46.Qb2 Qb8 47.d4 c4 48.Qc3 Qa8 49.Kf2 Qe4 50.Kg3 h5 51.Qe3 Qc6 52.Ne1 f6 53.Qf4 Kg7 54.Kf2 Qb6 55.Nc2 Qd8 56.Qe4 Qd7 57.Qg2 Qc7 58.Ke2 Qb8 59.Ke3 Kf7 60.Qf2 Qd8 61.Qf3 Qd7 62.Qe4 Kg7 63.Qh1 Qc7 64.Qh3 Qb6 65.Qf3 Qa5 66.Ke2 Qa6 67.Kd2 Qc8 68.Kc3 Qa6 69.Kb2 Kf7=+ 70.Nb4 Qb6 71.Nc6 Kg7 72.Qe4 Kf7 73.Kc2 Qa6 74.Qf3 Kg7 75.Kd1 Qa4 76.Kd2 Qa8 77.Ke1 Qc8 78.Kf2 Qc7-/+ 79.Kf1 Qb7 80.Kg2 Qd7 81.Kf1 Qd6 82.Kg1 g5 83.hg5 fg5 84.Kg2 g4 85.Qe4 Kf6 86.Na7=+ Qb8 87.Nc6 Qd6 88.Na7 Qb8 89.Nc6 ½–½. Pierred (2310) – ShoulinPriest, Rated game, 5m + 0s, 2005.

8.d3 c5 9.bc5 bc5 10.Qb3 Qc7 11.Nbd2 Nc6 12.Rab1 Rfb8 13.Qc2 Nd4 14.Nd4+= Bg2 15.Kg2 cd4 16.Bd4 Qc6 17.f3 Ng4 18.e4 Bd4 19.fg4+/– Rb7 20.Rb7 Qb7 21.Rb1 Qc7 22.Nf3 Bg7 23.Qb3 h6 24.Qb7 Qb7 25.Rb7 Bf8 26.Nd4 e6 27.Nc6 Kg7 28.Ra7 Rc8 29.Nd4 Kf6 30.a4 h5?? 31.gh5 gh5 32.h4 Bh6 33.Kf3 Bd2 34.Nb5 Rc6 35.a5 Bb4 36.a6 Bc5 37.Ra8 Rb6 38.d4 Bb4 39.a7 Ra6 40.Rb8 (40...Ke7 41.a8Q Ra8 42.Ra8+–) 1–0. DanielMartin – BeerClark, ChessWorld.net, 2004.

8.d3 e5 9.Nbd2 Ng4 10.e4 Qe7 11.a4 c5 12.b5 a5 13.ba6 Ra6 14.Ne1 f5 15.Nc2 Bc6 16.h3 Nf6 17.Ne3 f4 18.Nd5 Nd5 19.ed5 Bd7 20.Ne4 f3 21.Bf3 Bh3 22.Bg2 Bg2 23.Kg2 Nd7 24.Bc1 Nf6 25.Bg5 Qd7 26.Bf6 Bf6 27.Qb3 Be7 28.Qb5 Qa7 29.Rfb1 Ra8 30.Qc6 b5 31.Qb5+/– Ra4 32.Qa4 Qa4 33.Ra4 Ra4 34.Rb6 Ra3 35.Nd6 Rd3 36.Rb8 Kg7 37.Rb7 Kf8 38.Ne4 Rd4+= 39.Kf3 h5 40.Rc7 Ke8 41.Nc5 Rc4+= 42.Ne6 e4 43.Ke2 Rc7 44.Nc7 Kd7 45.Ne6 Kd6 46.Nf4 g5 47.Nh5 Kd5 ½–½. Christen,Pi (2060) – Penzel,F (2210), Kaupthing Open, Differdange LUX, 2007.

8.d4 a5 9.a3 ab4 10.ab4 Nc6 11.b5 Na5 12.Nbd2 Ne4 13.Qc2 f5 14.Nb3 Nb3 15.Qb3 d5 16.Rac1 dc4 17.Qc4 Bd5 18.Qc7 Ra2 19.Qd8 Rd8 20.Ba1 Re2 21.Ne5 e6 22.Rc7 Ra8 23.Nc6 Bf8 24.Be4 fe4 25.Bc3 e3 26.Ne5 Bd6 27.Rd7 Be5 28.de5 Raa2 29.Bd4 ef2 30.Bf2 g5 31.h3 h5 32.Rd6 g4 33.h4 Rec2 0–1. Rahman – Lodhi, 1987.

8.d4 a6 9.Nbd2=.

8.d4 e6 9.Nbd2 Nbd7 10.Qc2 Re8 11.e4 c5 12.a3 cd4 13.Nd4 e5 (13...a6 14.Rad1=) 14.Nb5+= Qb8 15.Nc3 a6 16.Nd5 Nd5 17.cd5 Qa7 (17...Qd8 18.Rac1 Rc8 19.Qd3=) 18.Nc4 Bf8 19.Rac1 Rac8 20.Qe2 b5 21.Na5 Bh6 22.Rc2 Rc2 23.Qc2 Rc8 24.Qd3 Ba8 25.Kh1 Bg5 (25...Qc7!?=) 26.Nb3 Nf6? (better is 26...Qb6+=) 27.Bc1?? (better is 27.f4 Bh6 28.fe5+/–) 27...Bc1= 28.Rc1?? (better is 28.Nc1 Ng4 29.Qd2=) 28...Rc1–+ 29.Nc1 Qf2 (better is 29...Ng4 30.Qf1 Nf2 31.Kg1 Ne4 32.Kh1 Bd5–+) 30.Qe2-/+ Qd4 31.Nb3 (better is 31.Qc2!?-/+) 31...Qc3–+ 32.Qd1 (32.Nd2 Qa3 33.Qf3 Qb4 34.Qf6 Qd2–+) 32...Bb7 (better is 32...Ng4 33.Qb1 Ne3–+) 33.Kg1?? (better is 33.Qb1–+) 33...Qe3 34.Kf1 Ne4 35.Be4 (35.Qe2 Ng3! (worse is 35...Qb3 36.Qe4 Qa3 37.g4–+) 36.hg3 Qb3–+) 35...Qe4 0–1. whitecat25 – fybliss, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 b6 6.Bg2 Bb7 7.0-0 d6)

8.d3 Nbd7

9.Qc2 c5 10.bc5 Nc5 11.d4=.

9.Qc2 Rc8 10.Nbd2 (10.Nc3 a6=) 10...c5 (10...a6 11.a4=) 11.bc5 (11.b5 Ra8=) 11...dc5 (11...Nc5 12.e4=) 12.Nb3 (12.a4 Rb8+=) 12...Nb8 (12...Rb8 13.a4=) 13.Rfd1 (13.a4 Nc6+=) 13...Nfd7 (13...Nc6!?=) 14.Bg7+= Kg7 15.Qb2 (15.Qc3 Kg8+=) 15...Kg8 16.a4 Nc6 (16...Bf3 17.Bf3 (worse is 17.ef3 e5=) 17...Nc6 18.a5+=) 17.a5 Nb4 (17...Na5 18.Na5 Bf3 19.Bf3 (19.ef3?! ba5 20.Qc3 Nb6=) 19...ba5 20.Qc3+/–) 18.ab6 (18.d4 Bf3 19.Bf3 Qc7+/–) 18...ab6 (18...Qb6 19.Rdb1 Bf3 20.Bf3+/–) 19.Ra7+/– Rb8 (19...Rc7 20.Ra3+/–) 20.Rda1 Nc6 21.Nbd2 (21.R7a4 Rc8+/–) 21...Qc7 (better is 21...Na7 22.Ra7 Nf6-/+) 22.R7a4+= Ra8 23.Ne4 (23.R1a3 Ra4 24.Ra4 e5+=) 23...Ra4 24.Ra4 Rb8 (24...Nb4 25.Ra7+=) 25.Nc3+/– e6 (25...Qd8 26.Nb5+/–) 26.Nb5 Qd8 27.h4 (27.h3+/–) 27...Qf6 (27...Ra8!? 28.Ra8 Ba8+=) 28.Qf6+/– Nf6 29.Nd6 Na5 30.Ne5 Bg2 31.Kg2 Rf8 32.Ra2 (32.Ra1 Nh5 33.g4 f6 34.gh5 fe5+–) 32...Nh5 33.Rb2 (33.g4 f6 34.gh5 fe5+–) 33...f6+/– 34.Nf3 (34.Ng4 Rb8+/–) 34...Rb8 35.Ne4 (better is 35.d4 Nc6 36.g4+/–) 35...Kf7? (better is 35...Nc6+/–) 36.Nc5!+– Nc6 (36...bc5 37.Rb5 Double attack (37.Rb8 Pinning; 37.Rb8 Deflection; 37.Rb5 Decoy)) 37.Na4 (37.Nd7 Rb7 38.Nb6 Ng7+–) 37...Ng7 38.Rb6 (38.e3 h6+–) 38...Rb6 39.Nb6 Ke7 (39...e5 40.g4+–) 40.Na4 (40.e3 h5+–) 40...Ne8 (40...e5 41.Nb6+–) 41.Nc3 Nc7 (41...h6 42.d4+–) 42.e3 (42.d4 Na5 43.c5 Nd5+–) 42...Kd6 (42...h6 43.d4+–) 43.Kf1 (43.g4 f5 44.gf5 gf5+–) 43...Nb4 (43...Na5 44.Ke2+–) 44.Ke2 e5 (44...h6 45.g4+–) 45.Kd2 (45.d4 ed4 46.Ne4 Ke7 47.ed4 Ne8+–) 45...Ne6 (45...Nc6 46.d4 Ke7 47.g4+–) 46.Ne4 (46.d4 ed4 47.Ne4 Ke7 48.ed4 f5+–) 46...Ke7 47.Kc3 (47.d4 f5 48.Neg5 Ng5 49.hg5 e4+–) 47...Nc6 (47...Na2 48.Kb3 Nc1 49.Kc2+–) 48.d4 White prepares the advance c5 48...ed4 (48...f5 49.Neg5 ed4 50.ed4+–) 49.ed4 (49.Nd4?! Ne5+–) 49...Ng7 (49...Ncd8 50.c5+–) 50.d5 Nd8 (50...f5 51.Neg5 (51.dc6?! fe4 52.Ng5 e3 53.fe3 h6+–) 51...h6 52.Nh7+–) 51.c5 Ne8 (51...f5 52.Nd6+–) 52.Kb4 (52.Kc4 Kd7+–) 52...f5 53.Ned2 (53.Nc3 Nf6+–) 53...Nf6 54.Nd4 (better is 54.d6 Kd7 55.Kb5+–) 54...Nd5 55.Kc4 Nc7 56.N2f3 Nce6 (56...Nb7 57.Ne5+–) 57.Ne6 Ne6 58.Ng5 Ng5?? (58...Nf8+–) 59.hg5 Kd7 60.Kd5 Ke7 (60...Kc7 61.c6+–) 61.Kc6 (61.c6!? Kd8 62.Kd6 Kc8+–) 61...Kd8 (61...f4 62.Kd5 fg3 63.fg3+–) 62.Kb7 1–0. hobgoblin – coora, net–chess.com, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7)

9.Nc3 a6 10.a3 h6 11.Qb3 Qc8 12.e4 e6 13.Rad1 (13.Qc2 c5=) 13...c5= 14.Rfe1 Qc7 15.h3 Rab8 16.b5 a5 17.Nh2 Rbd8 18.f4 Rfe8 19.Nf3 Nf8 20.g4 N6h7 21.Ne2 Bb2 22.Qb2 d5 23.cd5 ed5 24.e5 d4 25.Ng3 Ne6 26.Qd2 g5 27.fg5 Bf3 (worse 27...Neg5 28.Ng5 hg5 29.Bb7 Qb7 30.Ne4+/-; worse 27...Nhg5 28.Ng5 hg5 29.Bb7 Qb7 30.Ne4+/-) 28.Bf3 Neg5 (worse 28...hg5 29.Bc6 Nf4 30.Be8 Re8 31.h4+=) 29.Bg2 Re5 30.Nf5 (better 30.Re5!? Qe5 31.Nf5+=) 30...Rf5=+ 31.gf5 Qg3 32.Kh1 Nf6 33.Bc6? (33.Rf1 A) 33...Nh3? 34.Rf3 (34.Qh6?! Ng5+/-) 34...Nf2 35.Qf2 Qf2 36.Rf2+-; B) 33...Re8 34.Qf2 Nh5=) 33...Kh7 (better 33...Qh3!? 34.Qh2 Qh2 35.Kh2 Ng4 36.Kg1 Kg7-+) 34.Qh2 Qh4 35.Bg2 Nh5 36.Qc7 Rg8 37.Re7 (37.Qb6 Ng3 38.Kg1 Nh3 39.Kh2 Nf1 40.Kh1 Nf4 41.Kg1 Rg2 42.Kf1 Qf2) 37…Qf2 (37...Qf2 38.Rf7 Nf7 39.Qf7 Rg7-+) 0-1. Gorshkov,Yury (2115) - Utegaliyev,A (2510), Polugaevsky Memorial, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

9.Nc3 c5 10.b5 Qc7 11.e4 (11.Qd2 e6=) 11...e6 12.Qb3 Rfe8 13.h3 d5 (13...Ne5 14.Ne2=) 14.cd5 ed5 15.Nd5 (15.ed5 Nd5 16.Nd5 Bd5 17.Qd5 Bb2=) 15...Nd5+= 16.Bg7 Kg7 17.ed5 Nf6 18.Ng5 Rad8 Increasing the pressure on the isolated pawn on d5 19.Rfe1 Bd5 20.Bd5 Re1 21.Re1 Rd5 ½–½. Jaksland,Tim (2260) – Orteu Capdevila,Max (1995), Barcelona ESP, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7)

9.Nc3 e5 10.Qb3 a5 11.a3 Qe7 12.e3 c5 13.ba5 (13.b5 Rae8=) 13...Ra5 14.Rfe1 Rb8 15.Nd2 Qe6 16.Nb5 Ne8 (16...Bg2 17.Kg2 d5 18.Bc3 dc4 19.dc4 Qc6 20.e4=) 17.Bb7 Rb7 18.d4 (18.f4 Nc7 19.Bc3 Ra6=) 18...Nc7 19.d5 Qe7 20.a4 f5 (20...Nb5 21.ab5 Rba7 22.Ra5 ba5 23.Ra1=) 21.f3 (21.Bc3 Ra8+=) 21...Nf6 (21...Nb5 22.ab5 Rba7 23.Ra5 ba5 24.Ra1=) 22.Bc3 Ra8 23.Nc7 (23.e4 Nb5 24.ab5 Rba7=) 23...Qc7 24.Rab1 Attacks the backward pawn on b6 (24.e4 Rba7=) 24...Nd7 (24...Qd7 25.a5=) 25.Ra1 (25.e4 Rba7=) 25...Rba7 Attacking the isolated pawn on a4 26.Bb2 (26.e4 Rf8=) 26...Ra5 (26...Ra6 27.e4=) 27.Nb1 e4 (27...Nf6 28.Nc3=) 28.Bg7+= Kg7 29.fe4 fe4 30.Nc3 Ne5 31.Kg2 Qd7 Increasing the pressure on the isolated pawn on a4 32.Rf1 (worse 32.Ne4 Ra4 33.Ra4 Ra4=+ (worse 33...Qa4 34.Qa4 Ra4 35.Nd6+=)) 32...Re8 (32...Ng4!? 33.Ne4 Ra4 34.Ra4 Qa4 35.Qc3 Kg8=) 33.h3 (33.Ne4 Rea8+–) 33...Qe7 (33...Rea8 34.Rf4+–) 34.Rf4+– (34.Qb6? Nc4 35.Qc6 Ne3 36.Kh2 Nf1 37.Rf1 e3–+; 34.Ne4 Nc4 35.Qc4 Qe4 36.Qe4 Re4=+) 34...Raa8 35.Ne4 g5 (35...Rf8 36.Raf1+–) 36.Rf5 (36.Rf6 g4 37.Rd6 gh3 38.Kh3 Nf7+–) 36...Nc4 (36...g4!?+–) 37.Qc3+– (37.Qc4?! Qe4 38.Qe4 Re4 39.Rg5 Kh8+=) 37...Ne5 38.Rg5 (38.Raf1 Kh8 39.Rf6 Qb7 40.Nd6 Qd5 41.e4 Qd4 42.Qd4 cd4 43.Ne8 Re8+–) 38...Kh8 39.h4 (better 39.Rf5!?+–) 39...Qf7+= 40.Kh3 (better 40.Kg1!? Qd5 41.Nf6+=) 40...Qd5 (40...h6 41.Re5 Re5 42.Nd2-/+) 41.Nf2 Qe6 (41...Qc4 42.Qb2-/+) 42.Kg2 Rg8 (42...d5 43.Nd3 d4 44.ed4 Qd5 45.Kh3 cd4 46.Qc7 Qe6 47.Kg2-/+) 43.Rg8 Rg8 (43...Kg8 44.e4=+) 44.e4=+ Rf8 45.Rd1 Rf3 46.Rd3 Rf6 47.Rd2 Qe8 (47...Kg7 48.Rb2 Rf3 49.Qe1-/+) 48.Qa1 (48.Qb3 Rf3 49.Qd5 Qf8=+ (worse 49...Qa4 50.Ra2 Qb3 51.Ra8 Kg7 52.Rg8 Kf6 53.Ng4 Ke7 54.Ne5 Qd5 55.ed5+–)) 48...Qh5 (48...Qg6 49.a5 Rf3 50.g4–+) 49.Qc3 (49.Qd1 Qh6=+) 49...Qf7 (49...Qg6!?-/+) 50.Nd3= Nd3 (50...Qc4 51.Qc4 Nc4 52.Re2=) 51.Rd3 Kg8 52.Rd2 Qe6 53.Qe3 Kf7 54.Re2 (54.Qd3 Qe8=) 54...Qc4=+ 55.Qd2 Qb3 (55...Re6=+) 56.Re3 (56.Rf2 Rf2 57.Kf2 Qe6=+) 56...Qc4 (56...Qa4!? 57.Qd5 Kf8-/+) 57.Re2 (57.Qd5 Qd5 58.ed5 Rf5=) 57...Qb3 (better 57...Re6=+) 58.Re3-/+ Qe6 (better 58...Qa4!? 59.Qd5 Kf8-/+) 59.Qd3 Qa2 60.Re2 Qe6 (60...Qa1 61.Qd5 Kf8 62.Kh2=) 61.Re3 (61.e5 de5 62.Qh7 Kf8+=) ½–½. Trisha,Kanyamarala (1955) – Samadov,Read (2095), 19th ch–EUR Indiv, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7)

9.Nc3 e5 10.Qc2 a5 11.b5 Nc5 12.Nd2 Bg2 13.Kg2 Qd7 14.a4 Rfe8 15.f3 Ne6 16.e3 d5 17.Nd5 Nd5 18.cd5 Qd5 19.Nc4 Rad8 20.Rad1 Rd7 21.e4 Nd4 22.ed5 Nc2 23.d6 Nb4 24.d4 e4 25.fe4 Re4 26.Kf3 f5 27.Rf2 Nd5 28.dc7 Rc7 29.Rc2 Nb4 30.Rc3 Bh6 0–1. Smith,Douglas Royston (1985) – Taboada,Pedro Pablo (2270), IECG, 1997.

9.Nc3 e5 10.Nd2 Bg2 11.Kg2 c6 12.b5 Qc7 13.bc6 Qc6 14.e4 Nc5 15.Nb3 Rae8 16.Kg1 Nfd7 17.Nc5 Nc5 (worse 17...Qc5 18.Qa4 Qc7 19.Nb5+/-) 18.Nd5 f5 19.f3 Ne6 Black prepares f4 20.Qd2 h5 21.Rf2 f4 22.Raf1 Kh7 23.g4 hg4 24.fg4 Bf6 25.Rf3 Kg7 26.R3f2 (better 26.Kg2!?=) 26...Bh4-/+ 27.Rg2 (better 27.Rf3 Ng5 28.Rf4 Nh3 29.Kg2 Nf4 30.Nf4-/+) 27...g5?? (better 27...f3 28.Rgf2 Qc5-+) 28.Qe2 b5 29.Qc2 (better 29.cb5!? Qb5 30.Qf3+=) 29...bc4=+ 30.Qc4 Qc4 31.dc4 Kf7 (31...f3 32.Rd2 Nc5 33.Nc7-/+) 32.Rc2 Rb8 33.Rfc1 Rfc8 34.Kf1 (34.Ba3!? Nd4 35.Bd6-/+) 34...Nc5-+ 35.Nc3 Nd3 36.Rb1?? (better 36.Nb5 Nc1 37.Nd6 Ke6 38.Nc8-+) 36...Rc4 (36...Rb2 37.Rcb2 Nb2 38.Rb2 Rc4 39.Rb7 Ke6 40.Rb3-+; 36...Nb2?! 37.Rcb2 Rb2 38.Rb2 Rc4 39.Rb3-+) 37.Ke2 Rb2 38.Rcb2 Nb2 39.Rb2 Rc3 40.Rb7 Ke6 41.Ra7 (41.Kd2 Ra3 42.Rb2-+) 41...f3 42.Kd2 f2 43.Kc3 f1Q 44.a4 Qe1 45.Kc4 Bf2 (45...Qe4 46.Kc3 Qe3 47.Kc2 Qa7 48.Kb3 e4 49.a5 e3 50.Kc2 e2 51.Kd2 e1Q 52.Kc2 Qb7 53.a6 Qbb1) 46.Ra6 Qe2 47.Kb4 (47.Kb3 Qd3 48.Kb2 Bd4 49.Kc1 Qc3 50.Kd1 Be3 51.Rd6 Kd6 52.Ke2 Qd2 53.Kf3 Qf2) 47...Qa6 (47...Qd3 48.Rc6 Be1 49.Rc3 Bc3 50.Kb3 Bd4 51.Kb4 Qc3 52.Kb5 Qc5 53.Ka6 Qb6) 48.Ka3 (48.Kc3 Be1 49.Kb2 Qe2 50.Kb3 Qd3 51.Kb2 Bc3 52.Kb3 Bd4 53.Kb4 Qc3 54.Kb5 Qc5 55.Ka6 Qb6) 48...Bc5 49.Kb3 Qd3 50.Kb2 Bd4 (50...Ba3 51.Ka2 Qc3 52.h4 Qb2) 51.Ka2 (51.Kc1 Bc3 52.h4 Qd2 53.Kb1 Qb2) 51...Qc2 52.Ka3 Bc5 (52...Qb2) 0-1. C_Sharppp (2425) - Sensei64 (2545), Rated bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

9.Nc3 e5 10.e4 Ne8 11.Bh3 c6 12.Qe2 Nc7 13.a4 a5 14.ba5 Ra5 15.Ba3 Qe7 16.Rfb1 Ne6 17.Bc1 Rfa8 18.Qc2 R5a6 19.Ra2 Bc8 20.Rab2 Qf6 21.Qd1 Nd4 22.Kg2 h6 23.Be3 Kh7 24.Bg4 Qd8 25.Qd2 Nc5 26.Bc8 Rc8 27.Qd1 Rca8 28.Rb4 Nd7 29.Nd2 Bf8 30.R4b2 Nc5 31.Nf3 Bg7 32.Rb4 Nd7 33.Ne1 R8a7 34.Nc2 Ra5 35.R4b2 Ra8 36.Bd2 R5a7 37.Be3 Qc7 38.f3 Ra6 39.Qg1 c5 40.Na3 Qd8 41.Nab5 Bf8 42.Qd1 Nc6 43.Rf2 Rb8 44.Nd5+/– Rb7 45.Nbc3 Ne7 46.Ne7 Be7 47.Qd2 Bg5 48.Bg5 Qg5 49.Qg5 hg5 50.Nb5 Nf8 51.Nd6+/– Rd7 52.Nc8 Rd3 53.Nb6 Rd6 54.Rfb2 Ne6 55.Nd5 Ra4 56.Nf6 Kh6 57.Ng4 Kg7 58.Ne5 Nd8 59.Rc2 Ra7 60.Ng4 Ne6 61.Rb8 f5 62.Ne3 fe4 63.fe4 Rd4 64.Rcb2 Re4 65.Kf3 Re5 66.R2b7 Rb7 67.Rb7 Kf8 68.Nd5 Re1 69.Ne3 Nd4= 70.Ke4 Nf5 71.Rb3 Re2 72.h3 Ke7 73.Ra3 Kd6 74.Kf3 Re3 ½–½. Reilein,Christian (2300) – Wagner,Anselm (2395), Oberliga Bayern, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7)

9.Nbd2 Re8 10.Qc2 e5 11.e4 c5 12.b5 a5 13.Nh4 ½–½. Green,Ewen M – Hasan,Younus, Siegen ol (Men) fin–E, 1970.

9.Re1 a5!?=.

9.Re1 e5 10.Ne5+= Bg2 11.Nd7 Qd7 12.Kg2 d5 13.Qb3 d4 14.Nd2 Rad8 15.a4 Rfe8 16.Nf3 Nh5 17.a5 Qg4 18.Bc1 Rd6 19.ab6 ab6 20.c5 bc5 21.bc5 Rf6 (21...Rdd8 22.Ra7 Re7 23.Qc4+–) 22.Bg5 h6? (22...Rfe6 23.h3 Qf5 24.g4 Nf4 25.Bf4 Qf4 26.Ra4+/–) 23.h3 (better is 23.Bf6 Bf6 24.Qb7 Nf4 25.Kh1 Re2 26.gf4 Rf2 27.Ng1 Qf4 28.Qc8 Kg7 29.Qh3+–) 23...Qe6+/– 24.Qe6 Rfe6 (24...Ree6?? 25.Ra8 Kh7 26.Bf6 Bf6 27.Ra4+–) 25.Bd2 Re2 26.Re2 Re2 27.Ra8 Kh7 28.Rc8 Re7 29.Ba5 Nf6 30.Rc7 Rc7? (better is 30...Nd5!? 31.Re7 Ne7+/–) 31.Bc7 Nd5 32.Be5 Nb4 33.Bd4 Nd3 (33...Bf8 34.Kf1+–) 34.Bg7 (better is 34.c6+–) 34...Kg7 (34...Nc5 35.Bd4 Ne6+–) 35.c6 1–0. Krajcik,Jan – Keprt,Pavel (2220), Morava–chT, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7)

9.Re1 Re8 10.Nc3 c5 11.a3 Nb8 12.Qb3 Nc6 13.Nd5 e6 14.Ne3 e5 15.Nd5 Nd5 16.cd5 Ne7 17.e4 Qd7 18.Rab1 Reb8 19.Bc1 Ba6 20.Be3 Bb5 21.bc5 bc5 22.a4 Ba4 23.Qb8 Rb8 24.Rb8 Nc8 25.Reb1 h6 26.R8b7 Qd8= 27.Bh3 f5 28.ef5+= Bd7?? 29.f6!+– Bh3 30.Rg7 Kh8 31.Rbb7 Qf6 32.Rgf7 (32.Rgf7 Qf7 33.Rf7+–) 1–0. Grau,Roberto – Pulcherio,Cauby (Cauby,Pulcherio?), Buenos Aires, 1935.

9.Nbd2 c5

10.a3 cb4 11.ab4+= a5 12.ba5 ba5 13.Qc2 Qc7 14.Rfb1 Rfb8 15.Bc3 Bc6 16.Rb8 Nb8 17.Nb3 a4 18.Nbd4 a3 19.Qc1 Qa7 20.Nc6 Nc6 21.Ng5 Qc5 22.Bc6 Qc6 23.Ra3 Ra3 24.Qa3 h6 25.Nf3 Qb7 26.Qa4 Nd7 27.Bd2 Qc8 28.Be3 Nf6 29.Kg2 Kh7 30.h3 Ng8 31.Qa7+– Qc6 32.Bd2 Qc8 33.Bb4 Qe6 34.e3 Qc8 35.Ba3 Qf5 36.e4 Qc8 37.c5 dc5 38.Bc5 Qe6 39.Qc7 Kh8 40.Bb4 Kh7 41.e5 Qb3 42.Be7 Qd3 43.Bd6 Qd5 44.g4 Kh8 45.Qc5 Qe4 46.Qd4 Qb7 47.Bc5 Kh7 48.Qd6 Kh8 49.Kg3 Kh7 50.Qd8 Kh8 51.Qe8 Kh7 52.Kg2 Kh8 53.e6 fe6 54.Qg6 Qc6 55.Be3 Ne7 56.Qh5 Ng8 57.Qf7 e5 58.Kg3 Qd6 59.Nh4 Qf6 60.Qe8 Kh7 61.Nf5 Qg6 62.Qd7 Kh8 63.f3 Nf6 64.Qc8 Ng8 65.Ng7 Qg7 66.Bd2 Qf6 67.Bc3 Kh7 68.Qc7 Qe7 69.Qe5 Qe5 70.Be5 Ne7 71.f4 Ng6 72.Bd6 Nh8 73.f5 Nf7 74.Bc5 Ng5 75.Bd4 Nf7 76.Kf4 Kg8 77.h4 Kh7 78.g5 hg5 79.hg5 Kg8 80.g6 Nd8 81.f6+– Kf8 82.Bc5 Ke8 83.Ke5 Nc6 84.Kd5 Nd8 85.Bb6 (85.Bb6 Nb7 86.Kc6 Nd8 87.Bd8 Kf8 88.Be7 Kg8 89.f7 Kg7 90.f8Q Kg6 91.Qf6 Kh7 92.Bf8 Kg8 93.Qg7) 1–0. Dammer,Axel (2400) – Zimmermann,Bernd (2120), RSS7E adv–50, 2007.

10.a3 Qc7 11.Qb3 e5 12.Rfd1 Ng4 13.e3 Rae8 14.h3 Nh6 15.Nf1 f5 16.d4 Nf7 17.d5 Nf6 18.N3d2 Bc8 19.f4 h6 20.Nf3 Nh5 21.Nh4 Kh7 22.Bf3 Nf6 23.Ng2 Bd7 24.Rd2 Rg8 25.Re1 e4 26.Bd1 Rc8 27.b5 a6 28.a4 Ra8 29.Bc3 a5 30.Qb2 Qd8 31.Nh2 h5 32.Rf2 Nh6 33.Kf1 Qe7 34.Ke2 Raf8 35.Rg1 Ne8 36.Kd2 Bc3 37.Qc3 Qg7 38.Qg7 Kg7 39.Ne1 Kf7 40.g4 hg4 41.hg4 Rh8 42.g5 Ng8 43.Nf1 Ne7 44.Rgg2 Rh7 45.Rh2 Rfh8 46.Rh7 Rh7 47.Rh2 ½–½. Wong Meng Kong (2290) – Trisa Ard,Nakorn, Luzern ol (Men), 1982.

10.a3 Qc7 11.Qc2 e5 12.b5 a5 13.Nh4 Bg2 14.Ng2 Rae8 15.e4 Nh5 16.Ne3 Qd8 17.Nd5 Bh6 18.Nb1 Ng7 (18...Ndf6 19.Nbc3=) 19.Nbc3+= Ne6 20.Na4 f5 21.f3 Rf7 22.Rae1 (22.ef5 Rf5 23.Rae1 Rf7+=) 22...f4 23.g4 (23.Qg2 Nc7=) 23...Bg5= 24.Bc3 Bh4 25.Ra1 Qb8 26.Ra2 h6 27.Qd1 Kg7 28.Rg2 Ng5 29.Kh1 Qa7 30.Qd2 Ref8 31.Ba1 Qb8 32.Nac3 Kh7 33.Ne2 Qd8 34.Bc3 Qb8 35.Ng1 Qd8 36.Ra1 (36.Ne2 Ne6=) 36...Qb8 37.Qd1 (37.Rf1 Ne6=) 37...Qa7 38.Rb2 Ra8 (38...Nf6 39.Qa4=+) 39.Kg2 Kg8 (39...Nf6 40.Be1 Be1 41.Qe1=) 40.Kf1 (40.Be1 Be1 41.Qe1 Ne6=) 40...Kh7 41.Rg2 (41.Kg2 Nf6=+) 41...Raf8 42.Ke2 (42.Be1 Be1 43.Ke1 Nf6=+) 42...Ra8 43.Kd2 (43.Kf1 Nf6-/+) 43...Raf8 44.Qa4 (44.Ke2 Nf6-/+) 44...Ra8 45.Rf1 (45.Qd1 a4-/+) 45...Kg8 46.Kc1 Kh7 47.Kb2 Kg8 48.Ne2 Kh7 49.Qd1 Raf8 50.Kb3 Kg8 51.Ka4 Kh7 52.Nc1 (52.Be1 Be1 53.Qe1 Ne6=) 52...Ra8 53.Nb3 (53.Be1 Be1 54.Qe1 Nh3=) 53...Qb8 (53...Nh3 54.Be1 Bd8 55.Bc3=+) 54.Nc1 (54.Be1 Be1 55.Qe1 Ne6=) 54...Qa7 (54...Nf6!?=+) 55.Ne2 Raf8 56.Kb3 Kg8 57.Ka2 Kh7 58.Ka1 Kg8 59.Ng1 (59.Be1 Be1 60.Qe1 Ne6=) 59...Kh7 (59...Nf6 60.Ne2=+) 60.Rb2 (60.Be1 Be1 61.Qe1 Ne6=) 60...Ra8 61.Rg2 Raf8 (61...Ne6 62.Ne2=+) 62.Ka2 (62.Be1 Be1 63.Qe1 Ne6=) 62...Ra8 (62...Qb7 63.Ne2=+) 63.Kb3 (63.Be1 Be1 64.Qe1 Ne6=) 63...Raf8 (63...Nf6 64.Ne2=+) 64.Ka4 (64.Be1 Be1 65.Qe1 a4 66.Kb2 Ne6=) 64...Ra8 65.Kb3 (65.Ne2 Nf6=+) 65...Raf8 (65...Ne6 66.Ne2=+) 66.Bb2 (66.Be1 Be1 67.Qe1 a4 68.Kb2 Nf6=) 66...Ra8 (66...Ne6 67.Ne2=+) 67.Ka2 (67.Bc3 Ne6=+) 67...Raf8 68.Kb1 (68.Bc3 Re8=+) 68...Ra8 69.Rc2 (69.Ka2 a4=+) 69...Raf8 70.Bc3 (70.Rg2 Ne6=+) 70...Ra8 71.Kb2 (71.Bb2 Ne6=+) 71...Raf8 72.Ka2 (72.Kb1 Nf6=+) 72...Ra8 73.Ka1 (73.Kb2 Nf6=+) 73...Raf8 74.Ra2 (74.Kb1 Nf6=+) 74...Ra8 75.Rg2 Raf8 76.Ka2 ½–½. Schieferstein,Michael (2110) – Krick,Karl, Hessenliga, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7 9.Nbd2 c5)

10.a3 e5 11.Qb3 Rb8 12.Bh3 Nh5 13.e4 Bh6 14.Bc1 f5 15.ef5 gf5 16.Qd1 Qe8 17.Nh4 Ng7 18.Ra2 Bg5 19.Ndf3 Be7 20.Ng5 Qd8 21.Nf5 Bg5 22.Ng7 Kg7 23.Qg4 h6 24.Qd7 Qd7 25.Bd7 Bf3 26.Bh3 Rf7 27.Bg2 Rbf8 28.h4 Bc1 29.Rc1 Bg2 30.Kg2 Rf3 31.Rd2 h5 32.Re1 Kg6 33.b5 R3f7 34.Re4 Ra8 35.a4 Raf8 36.Re3 Rf6 37.Rde2 R6f7 38.Ra2 Kh6 39.Rc2 Kg6 40.Ra2 Kh6 41.f3 Kg6 42.a5 Rb7 43.ab6 ab6 44.Ra6 Kf5 45.Kh3 Rg8 46.Ra1 Rbg7 47.Rg1 Rg6 48.g4 Ke6 49.g5 Rf8 50.Ra1 Rg7 51.Kg3 Rgf7 52.Ra6 Rb7 53.Ra3 Rbf7 54.Ra2 Rb7 55.Ra6 Kd7 56.Re4 Ke6 57.Re3 Kf5 58.Re2 Ke6 59.Rf2 Kd7 60.f4 Ke6 61.Ra1 Rbf7 62.Raf1 Ra7 63.f5 Kf7 64.Kf3 Ra3 65.Ke4 Rfa8 66.f6 Kg6 67.f7 Rf8 68.Rf6 Kg7 69.Rd6 Rf7 70.Rf7 Kf7 71.Rb6 1–0. Broomes – Hingary, Malta 1980.

10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qa8 14.Qa8 Ra8 15.Ra1 Ra1 16.Ba1 Ne8 17.Bg7 Kg7 18.Nb1 Nc7 19.Nc3 e6 (19...d5 20.cd5 Nd5 21.Nd5 Bd5 22.Ne5=) 20.Nd2 (20.Ne5 Ne5 21.Bb7 Ne8+=) 20...Bg2= 21.Kg2 d5 22.Na4 ½–½. Streit,Howard – Brodie,Hugh, Montreal m1, 1969.

10.b5 Qc7 11.Qc2 d5 12.cd5 Bd5 13.Nc4 a6 14.a4=.

10.b5 Qc7 11.Qc2 d5 12.cd5 Bd5 13.Nc4 Rac8 14.Ne3 Ba8 15.a4 e5 16.Ra2 (16.Rfd1 Rfd8+=) 16...Nd5= 17.Nd5 Bd5 18.Ra3 Ba8 19.Rfa1 h6 (19...Rfe8 20.a5 e4 21.ab6 ab6 22.Ra7=) 20.a5+/– Bb7 21.ab6 ab6 22.Ra7 Rb8 23.Nd2 Qc8 24.Bb7 Rb7 25.Nc4 Qc7 26.Qa4 Rfb8 27.Rb7 Qb7 28.Qa7 Qd5 29.Ra6 e4 30.Bg7 Kg7 31.Nb6 Rb6 32.Rb6 ed3 33.ed3 c4? 34.dc4+– Qd1 35.Kg2 Ne5 36.Qa3 Qc2 37.Qe3 Nc4 38.Qd4 Kh7 39.Rc6 1–0. Szith,Gregor (1875) – Nickl,Klaus (2200), Graz op–A, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

10.b5 Qc7 11.Qc2 d5 12.cd5 Bd5 13.Nc4 Ne8 14.Rac1 (14.Bg7 Ng7 15.Rfc1 a6+=) 14...Nd6 (14...Bb2 15.Qb2 a6 16.ba6 Ra6 17.a3=) 15.Rfd1 (15.Bg7 Kg7 16.Qb2 Kg8+=) 15...Bh6= (15...Nb5? 16.Bg7 Bf3 17.Bf3 Kg7 18.Qb2 Nd4 19.Ba8 Ra8 20.e3+–) 16.Qc3 (16.Ne3!? Be3 17.fe3 Nb5 18.e4=) 16...f6+= 17.Rc2 Nb5 18.Qb3 Nd6 (18...Qc6 19.e4 Bf7 20.d4 cd4 21.e5+=) 19.Nfd2 (19.Nfe5 e6 20.Bd5 ed5= (20...Ne5? 21.Be5 fe5 22.Ba8 Ra8 23.Ne5+–)) 19...Bg2 (19...Qb7 20.e4 Nc4 21.Nc4=) 20.Nd6 (20.Nb6!? Kg7 21.Nd7 Qd7 22.Kg2=) 20...Kg7+= 21.Nb5 Qb7 22.Qe6 Bc6 (22...Rfe8 23.e4 Nf8=) 23.Qe7+/– Rf7 (23...Kg8 24.Nd6 Qc7 25.d4+/–) 24.Qf7! Kf7 25.Nd6 Kg8 (25...Ke7 26.Nb7 Bb7 27.d4+/–) 26.Nb7+– Bb7 27.d4 (27.e4 Bd2 28.Rdd2 Ne5 29.Be5 fe5+–) 27...Re8 ½–½. Vorobiev,Nikolay (2040) – Grudinin,Evgeny (2140), Irkutsk RUS, Veda Open, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7 9.Nbd2 c5)

10.b5 d5 11.cd5 Nd5 12.Bg7 Kg7 13.Qb3 e5 14.a4 Nc7 (14...Nb4 15.Nc4=) 15.Qb2 f6 16.a5 Qe7 17.Ra3 (17.Nc4 Bd5+=) 17...Bd5 (17...a6 18.ba6 Ra6 19.ab6 Rb6 20.Qc2=) 18.Rfa1 Rfb8 19.a6 Rd8 20.Nf1 Rab8 21.Ne3 Bf7 (21...Nf8 22.Ra4=) 22.Nd2 (22.Nh4!? Be6 23.Ra4+=) 22...Nf8= 23.Ne4 Nd5 24.Rf1 Kg8 25.Raa1 Rbc8 26.Ng4 Be6 27.Ne3 f5 28.Nd2 Ne3 29.fe3 c4 30.Nc4 (worse 30.Qe5 cd3 31.ed3 Rd3-/+) 30...Bc4 31.dc4 e4 32.g4 Rc5 (32...fg4 33.Rf4 Rc4 34.Rg4=+) 33.Rf4 (33.gf5!? gf5 34.Kh1+=) 33...Ne6= 34.Rf2 Qg5 (34...fg4 35.Qf6 Qf6 36.Rf6=) 35.gf5= Qe3 36.Qf6 (36.Ra3!? Rd1 37.Bf1=) 36...Qf2=+ 37.Kf2 Rf5 38.Qf5 gf5 39.e3 Rd2 (39...Kf7 40.Rf1-/+) 40.Kg1=+ Kg7 (40...Rd3 41.Rf1=) 41.Rf1= f4 (41...Kg6 42.Bh3 Ng7 43.c5 bc5 44.Rb1=) 42.Be4+= fe3 43.Re1 e2 44.Kf2 Nc5 (44...Rd4 45.Re2 Nf4 46.Re1 Rc4 47.Ke3+=) 45.Ke3 Ra2 46.Bd5 Kf6 47.Re2 Re2 48.Ke2 Ke5 ½-½. Ajay Krishna,S (2285) - Plat,V (2550), 18th Marienbad GMA1, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6)

10.b5 e5 11.a4 a5 12.ba6 Ra6 13.Qb3 Qa8 14.Ra2 Ne8 (14...d5 15.Bh3=+ (15.Ne5? Ne5 16.Be5 dc4 17.Nc4 Bg2–+)) 15.Rfa1 Nc7 (15...Bc6 16.Bc3+=) 16.Bc3 Rb8 17.Ne1 (17.Ne4 Bf8+=) 17...Bg2= 18.Ng2 f5 (18...d5 19.cd5 Nd5 20.Bb2=) 19.Nb1 (19.e4!?+=) 19...d5= 20.Na3 d4 (20...Ra4 21.cd5 b5 22.Ne3+=) 21.Bd2 Kh8 22.Nb5 Nb5 (22...Qc6 23.a5=) 23.ab5 (23.cb5 Ra7+=) 23...Ra2 24.Ra2 Qb7 25.Ra6 Ra8 (25...Bf6!?=) 26.Qa4+– Ra6? (better 26...Rd8+–) 27.ba6+– (27.Qa6?! Qb8=) 27...Qa7 28.Nh4 (28.Qc6 Nf8 29.Qc8 h6+–) 28...Kg8 (28...Bf6 29.Bh6 Bg7 30.Bg5+–) 29.Qc6 Kf7? (29...Nf8 30.Qc8 e4+–) 30.Bg5 (30.Nf3 Bf6 31.Bg5 e4 32.de4 fe4 33.Qe4 Kg7+–) 30...Bf6 (30...Nb8 31.Qd5 Kf8 32.f4+–) 31.Nf3 e4 32.de4 fe4 33.Qe4 Qa6 (33...Kg7 34.Qe6 Bg5 35.Ng5 Nb8 36.Qe5 Kg8+–) 34.Qd5 Ke7 35.Bf6 Nf6 36.Qe5 (36.Qe5 Kd7 37.Qf6+–) 1–0. Toepfer,Albrecht (2075) – Lange,Lars (1845), 10th Vellmar Open, 2018.

9.Nbd2 e5

10.a4 a5 11.ba5 Ra5 12.Nb3 Ra6 13.a5 Qb8 14.Bc3 e4 15.de4 Be4 16.ab6 Ra1 17.Ba1 Qb6 18.Nbd2 Bc6 19.Bd4 Nc5 20.Qc2 Nfd7 21.Bg7 Kg7 22.Qc3 Kg8 23.Rb1 Qa7 24.Qd4 Re8 25.e3 ½–½. Shariyazdanov – Lyrberg, Medellin 1996.

10.a4 Qe7 11.a5+= e4 12.de4 Ne4? (better is 12...c5+=) 13.Bg7+– Kg7 14.a6 Bc6? (better is 14...Nc3 15.ab7 Nd1 16.ba8Q Ra8 17.Rfd1 c5+–) 15.Nd4 Nd2 (15...Nf2 16.Nc6 Nd1 17.Ne7 Ne3 18.Ba8 Nf1 19.Rf1 Ra8+–) 16.Nc6 (worse is 16.Bc6 Nf1 17.Kf1 Ne5 18.Ba8 Ra8+=) 16...Qg5 17.f4 (17.f4 Qg4 18.Qd2+–) 1–0. Janek – Ottone, internet, 2018.

10.Qc2 Re8

11.Rfd1 a5 12.a3 c5.

11.Rfd1 a5 12.a3 h6 13.Nf1 c5 14.b5 Nf8 15.e3 Qc7 16.d4 Be4 17.Qc1 N6d7 18.Ne5?? (better is 18.N1d2 Bb7 19.de5 de5 20.Qc2=) 18...Bg2-/+ 19.Nd7 Bf1 20.Nf8 Bh3 21.dc5 dc5 22.Bg7 Kg7 23.Qb2 Kg8 24.Ng6 fg6 25.Qf6 Bf5 26.Rd6 Rf8 27.Qe5 Qf7 28.Qd5 Qd5 29.cd5 Rad8 30.Rb6 Rd5 31.g4 Bd3 32.a4 Rc8 33.Re1 c4 34.e4 Rg5 35.h3 c3 36.f4 c2 37.fg5+= Be4 38.Rc1 Rd8 39.Rf6 ½–½. Diener,Rudolf – Balaz,S, corr I.Dzuris, 1969.

11.Rfd1 a5 12.a3 h6 13.Nf1 c5 14.b5 Nf8 15.e3 Qc7 16.d4 Be4 17.Qc3 ed4-/+ 18.ed4 N6d7 (18...Ne6!? 19.Qc1 d5-/+) 19.Qd2 (19.N1d2 Bb7 20.Qc2+=) 19...cd4 (19...Ne6!?+=) 20.Bd4= Qc4 (20...Rad8 21.Bg7 Kg7 22.Ne3+=) 21.Bg7+= Kg7 22.Qb2 Kg8 (22...Kh7 23.N3d2 Qc2 24.Qc2 Bc2 25.Ba8 Bd1 26.Rd1 Ra8 27.Nc4+/–) 23.Rd6 (23.Rac1 Qe6 24.Ne3 Qe7+/–) 23...Qc5 (23...Qc7 24.Rad1 Rad8 25.Qd4=) 24.Rad1+= Ra7 (24...Rac8 25.Ne3+=) 25.Ne3+/– Qh5 (25...Rc7!?+/–) 26.Nd4 (26.R1d5 Bd5 27.g4 Bf3 28.gh5 Bh5+–) 26...Bg2+/– 27.Kg2 Qe5 (27...Ne5!? 28.Qc2 Ne6 29.Ne6 Re6+–) 28.Nc4+– Qc5 29.Nc6 (29.Rc6 Qh5 30.Rd2 Ne5 31.Ne5 Qe5 32.Rb6 Rae7+–) 29...Rc7 30.Ne3 (30.R1d4 Re6 31.R6d5 Rcc6 32.Rc5 Rc5+–) 30...Ne5? (better is 30...Re3 31.fe3 Qe3+–) 31.R1d5 (31.R1d5 Nc4 32.Rc5 Nb2 33.Nd5+–) 1–0. Reti,Richard – Capablanca,Jose Raul, New York, 1924. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d3 Nbd7 9.Nbd2 e5 10.Qc2 Re8)

11.Rfd1 a5 12.a3 h6 13.Nf1 c5 14.b5 Nf8 15.e3 Qc7 16.d4 Be4 17.Qe2 ed4 18.ed4 cd4 19.Bd4 N8d7=.

11.Rfd1 a5 12.a3 h6 13.Nf1 e4 14.de4 Be4 15.Qd2=.

11.Rfd1 c5 12.a3 a5 13.bc5 bc5 14.Bc3 a4 15.Rab1 Bc6 16.h3 Qc7 17.Rb2 Rab8 18.Rdb1 Rb2 19.Rb2 Rb8 20.Nh4 Rb2 21.Qb2 Bg2 22.Ng2 Qb6 23.Qb6 Nb6 24.g4 Nfd7 25.Ne4 d5 26.cd5 Nd5 27.Bb2 Kf8 28.f3 h6 29.Kf2 f5 30.gf5 gf5 31.Nc3 Nc3 32.Bc3 Kf7 33.Ne3 Ke6 34.Nc4 Bf6 35.Nb2 Kd6 36.Na4 f4 37.Nb2 Kc6 38.Ke1 Bd8 39.Nc4 Bc7 40.a4 Kb7 41.Kd2 Kc6 42.Kc2 Kb7 43.Ba5 Bb8 44.Kb3 Nf6 45.Bc3 Nd7 46.Be1 Nf8 47.Na5 Kb6 48.Bc3 Nd7 49.Kc4 Nf6 50.Be1 Nh5 51.Kd5 Ng3 52.e4 Ne2 53.Nc6 Kb7 54.Nb8 1–0. Vettenburg – Morel, corr Belgium 1999.

8.d4 Nbd7

9.b5 c5 10.d5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Qa8 14.Nbd2 Qa2 15.Bh3 Ra8 16.e4 Bc8 17.Bc3 h5 18.Ng5 Nh7 19.Bg7 Ng5 20.Bd7 Kg7 21.Bc6? Ra3–+ 22.f4 Nh3 (22...Nh3 23.Kg2 Bg4–+) 0–1. Lopez,Felix G – Mirabile,T (2245), ch–New York State, Monticello USA, 2005.

9.Qc2 c5 10.bc5 Be4 11.Qd1 bc5 12.Nbd2+=.

9.Qc2 e6 10.c5 (10.Nbd2 c5=) 10...Be4 11.Qc1 bc5 12.dc5 (12.bc5 Rb8+=) 12...dc5 13.bc5 Rb8 14.Nbd2 Rb2 (14...Bc6 15.Nb3=) 15.Qb2+= Nd5 (worse is 15...Nc5 16.Qb5 Bf3 17.Bf3 Qd2 18.Qc5+–) 16.Qa3 Bf3 17.Nf3 Ba1 18.Ra1 Qb8 19.Rc1 c6 (19...Qb4 20.Qb4 Nb4 21.c6=) 20.Nd4 Qb7 21.Be4 (21.e4 N5f6+=) 21...Rc8 22.Rb1 Qc7 23.Bd3 e5 24.Nf3 Rb8 25.Rc1 a5 26.Bc4 N7f6 27.Nd2 e4 28.Nb3 Exerts pressure on the isolated pawn (28.Bd5 Nd5 29.Ne4 Qe5+=) 28...Qe5 (28...Qd7 A) worse is 29.Qa5 Qh3 30.f3 Ne3 31.Bf7 Kf8–+ (worse is 31...Kf7 32.Qc7 Nd7 33.Qf4 Nf5 34.Rd1+/–); B) 29.Na5 Qh3 30.f3 Ng4 31.fg4 Nf4 32.gf4 Qa3–+; C) 29.Bd5 Nd5 30.Qa5=) 29.Qa5 Ng4 (29...Kg7 30.Bd5 Qd5 31.Kg2+=) 30.h3 (30.Bd5 Qd5 (worse is 30...cd5 31.c6+–) 31.h3 Nh6+=) 30...Nf2 (30...Nge3!?=) 31.Kf2+/– Qf5 32.Kg1 (32.Ke1!? e3 33.a3+/–) 32...Qh3= 33.Qe1 Ne3 34.Qf2 Ng4 35.Qg2 Qh6 36.Rf1 (36.Qe4?? Qh2 37.Kf1 Qf2) 36...Qe3 37.Kh1 Qh6 ½–½. Michalicka,Milan (2225) – Klemanic,Emil (2160), Tatranske Zruby SVK, Tatry Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d4 Nbd7)

9.Nc3 Rb8 10.d5 c6 11.Nd4 c5 12.Nc6 Bc6 13.dc6 Ne5 14.Qb3 cb4 15.Nb5 Ne8 16.Na7 Nc4 17.Bg7 (17.Qc4?! Bb2 18.Rad1 Ba3=) 17...Na5 18.Qb4 Ng7 19.Rfc1 Ne8 20.Nb5 Nc7 21.Nd4 d5 22.Nb3 Na6 23.Qd4 e6 24.Na5 ba5 25.e4 Nc7 26.ed5 ed5 27.Rab1 Qd6 28.Rb7+/– Ra8 29.Qb6 Rfc8 30.Bh3 f5 31.Bg2 Ne6 32.Qb3 Nc7 33.h4 Re8? 34.Qb6 Re7+= 35.Rb8 Rb8 36.Qb8 Kg7 37.Qb6 Qb4 38.Qb4 ab4 39.Rd1 Re6 ½–½. Sreeves,C (1980) – Osborne,S (2020), Masters, Bunratty IRL, 2009.

9.Nbd2 a5 10.a3 ab4 11.ab4 c5 12.bc5 bc5 13.d5 Qc7 14.Qc2 Rfb8 15.e4 Ba6 16.Bc3 Nb6 17.Rfb1 Qc8 18.e5 Ne8 19.e6 fe6 20.de6 Ra7 21.Bg7 Ng7 22.Ng5 Qc7 23.Be4 Bc8?? 24.Bg6!+– Be6 25.Bh7 Kh8 26.Ra7 Qa7 27.Qe4 Qa2 28.Qh4 Ne8 29.Bf5 Kg7 30.Qh7 Kf6 31.Qg6 (31...Ke5 32.Ndf3#) 1–0. Svensson,Jan – Ranby,Hans, corr 3GMM½–04, 1998.

9.Nbd2 a5 10.a3 Ne4 11.Qc2 Nd2 12.Nd2 Bg2 13.Kg2 e5 14.Nf3 Qe7 15.e4 Rfe8 16.d5 Rf8 17.Nd2 f5 18.f3 h5 19.Rh1 ab4 20.ab4 Ra1 21.Ra1+/= Bh6 22.Bc3 Qg5 23.Nf1 h4 24.Bd2 Qh5 25.Bh6 Qh6 26.Qd2 Qh5=/+ 27.Qd3 h3 28.Kh1? fe4–+ 29.fe4 Nf6 30.Nd2?? Ng4–+ 31.Kg1 Rf2 32.Nf3 Rg2 33.Kf1 Nh2 34.Nh2 Rh2 35.Kg1 Rg2 36.Kh1 Rf2 37.Rf1 Rf1 38.Qf1-/+ Qg4 39.Kh2? Qe4–+ 40.Kh3?? Qf5 41.Qf5 gf5 0–1. Torres Herrero,Fernando – Vila Dupla,Aurelio, Valladolid San Mateo op, 1987.

9.Nbd2 c5 10.bc5 bc5 11.d5 Rb8 12.Rb1 Nb6 13.Qc2 Ba6 14.e4 Qd7 15.e5 Ng4 16.e6 Qa4 17.Qa4 Na4 18.Bg7 Kg7 19.ef7 h6 20.Bh3 Nf6 21.Be6 Nc3 22.Rb3 Nfe4 23.Ne4 Ne4 24.Re1 Nf6 25.Reb1 Rb3 26.ab3 Rb8 27.Nd2 Nh7 28.Ra1 Rb6 29.f4 Nf8 30.g4 Nh7 31.Rf1 Rb8 32.h4 Bc8 33.g5 Nf8 34.Re1 Ne6 35.de6 h5 36.Kf2 Bb7 37.Kg3 Bc6 38.Re3 a5 39.f5 gf5 40.Kf4 Kg6 41.Nf1 Be4 42.Ng3 Bc2 43.Rc3 Bb1 44.Rc1 Bd3 45.Ra1 Ra8 46.Ra5 1–0. Olsen,An – Andrews,Neil, Stillwater USA, 2001.

9.Nbd2 Ne4 10.Qc2 f5 (10...Nd2 11.Qd2 d5 12.Ne5 Ne5 13.de5+=) 11.d5+/– Nd2 12.Qd2 Nf6 13.Nd4 Qd7 14.b5 Rf7 15.f3 Qe8 16.Ne6 Qd7 17.e4 Ne8 (17...a6 18.a4 ab5 19.ab5 fe4 20.Ra8 Ba8 21.fe4 Bb7+–) 18.ef5+– (18.Ng7?! Ng7 19.f4 a6+/–) 18...Bb2 (18...gf5 19.Bg7 (19.Ng7?! Ng7 20.f4 Re8+–) 19...Ng7 20.Qh6+–) 19.fg6 (19.Qb2?! gf5 20.Qd2 Rf6+–) 19...hg6 20.Qb2 Rh7 (20...Ng7 21.Bh3 Rf6 22.Rae1+–) 21.f4 Nf6 22.f5 g5 (22...gf5 23.Rf5 a6 24.Raf1+–) 23.Ng5 Rh6 24.Qe2 Kg7 (24...a6 25.ba6 Ba6 26.Ne6+–) 25.g4 Rah8 26.h3 Bc8 (26...Rh4 27.Rae1 Kf8 28.Ne6 Kg8 29.Nf4+–) 27.Ne6 Kf7 28.g5 (28.g5 Rh4 29.gf6 ef6 30.Rae1+–) 1–0. Morozov,Vasiliy (2045) – Seslavin,Maxim, Novokuznetsk op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 b6 6.Bg2 Bb7 7.0-0 d6 8.d4 Nbd7)

9.Nbd2 Re8 10.d5 (10.a3 c5=) 10...e5 (10...e6 11.de6 fe6 12.Qc2=) 11.e4+= a5 ½–½. Nicula,M (2225) – Masse,H (2175), COQ Montreal CAN, 2006.

5.g3 c5

6.a3 b6 7.Qb3 (7.Bg2 d5=) 7...d6 (7...a5 8.Bg2=) 8.Bg2 Bb7 9.d3 Nbd7 10.0-0 a6 11.Nbd2 Qc7 12.Rab1 d5 (12...e5 13.bc5 bc5 14.h3=) 13.cd5 (13.bc5 Nc5 14.Qb4 dc4+=) 13...Bd5 (13...Nd5 14.Bg7 Kg7 15.bc5 Nc5 16.Qb2 e5 17.Rfc1+–) 14.Qc2 Rac8 15.Rfc1 Qb7 16.Qd1 Rc7 (16...Rfd8 17.bc5 Nc5 18.Bd4=) 17.e4 Bc6? (better is 17...Ba2!? 18.Ra1 Be6=) 18.bc5+/– Nc5 (18...b5!?+/–) 19.Rc5!+– bc5 20.Bf6 Qa7 21.Bg7 Kg7 22.Qc2 Bb5 23.a4 Bd7 24.Qb2 (24.a5 Rb8+–) 24...f6 25.a5 Bb5 (25...e5 26.Nc4+–) 26.Nc4 Rd7 (26...e5 27.Bh3+–) 27.Qc3 (27.Ng5 Rb8 28.Ne6 Kf7+–) 27...Rfd8 28.Bf1 Qc7 29.Nfd2 Rd4 (29...Qc6 30.Rc1+–) 30.Rb3 (30.Nb3 Bc4 31.Nd4 Rd4 32.dc4 Re4+–) 30...Kf7 (better is 30...e5+–) 31.Nf3 R4d7 32.e5 (32.Nb6 Rd3 33.Bd3 Rd3+–) 32...Bc6 (32...Kg7 33.Nb6 Rd3 34.Bd3 Rd3 35.Qc2 Rb3 36.Qb3+–) 33.ef6 (33.e6 Ke6 34.Rb6 Rd5+–) 33...ef6 34.Rb6 Rf8 (34...Re8+–) 35.Rc6! (35.Rc6 Qd8 36.Bh3+–) 1–0. Cvik,Stepan (1785) – Neumann,Filip, 12th Orlova Open A, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

6.a3 d5 7.cd5 cb4 8.ab4 Nd5 9.Bg7 Kg7 10.b5=.

6.a3 d6 7.Bg2 Nc6 8.Qb3 Qb6 9.b5 Nd4 10.Nd4 cd4 11.a4 a5 12.Na3 Nd7 13.d3 Nc5 14.Qd1 e5 15.Nb1 Bg4 16.0-0 Rae8 17.Ba3 Be6 18.Nd2 f5 19.Bc5 dc5 20.Nb3 Qc7 21.Rb1 b6 22.Qd2 Rb8 23.h4 h5 24.Qc2 Bh6 25.Nd2 Qe7 26.Rbe1 f4 27.Ne4 Rf7 28.Kh2 Rbf8 29.Qb1 Kh8 30.Bf3 Bg4 31.Bg4 hg4 32.Kg2 f3 33.ef3 gf3 34.Kh2 g5 35.h5 g4 36.Rh1 Rh7 37.Kg1 Rf5 38.Rd1 Bf8 39.Kf1 Rfh5 40.Rh5 Rh5 41.Ke1 Bh6 42.Nd2 Rh1 43.Nf1 Qg5 0–1. Chistiakova,Tamara – Druzhinina,Olga, RUS–ch U20W (Kazan), 2001.

6.Bg2 cb4 7.0-0-/+.

6.Bg2 Nc6 7.0-0 (7.bc5 Qa5=) 7...d6 (7...Nb4 8.Nc3-/+) 8.d4 (8.b5!? Na5 9.d3=) 8...cd4 (8...Nb4 9.Nbd2-/+) 9.Nd4 (9.b5 Na5 10.Nbd2+=) 9...Bd7 (9...Nb4!? 10.Nc3 Qb6-/+) 10.Nc2 (10.a3 Qb6=) 10...Bf5 (10...Qc8 11.Re1=) 11.Ne3 (11.b5 Ne5 12.Be5 de5=) 11...Ng4 12.Bg7 Ne3 13.Qc1 (13.fe3!? Kg7 14.b5=) 13...Nf1-/+ (13...Kg7?! 14.Qe3 Qc7 15.a3=; 13...Nb4? A) 14.Bb7 A1) 14...Kg7?! 15.Qe3 Rb8 16.Bf3= (16.Qa7? Qc7 17.Na3 Rb7 18.Qd4 e5–+); A2) 14...Nf1 15.Bf8 Ng3 16.hg3 Rb8-/+ (16...Kf8? 17.Ba8 Nc2 18.Na3+–; worse is 16...Qf8 17.Ba8 Qa8 18.Nc3+=); B) 14.Qe3 Nc2 15.Qc3 Na1 16.Bf8 Qf8 17.Nd2+–; 13...Ng2?! 14.Bf8 Qf8 15.Kg2=) 14.Bf8 Ng3! (worse is 14...Kf8 15.Kf1 Qb6 16.a3=) 15.hg3 Qf8 16.Nc3 Qg7 17.Qd2 (17.a3 Rc8 18.Nd5 Qe5-/+) 17...Rb8 (17...Rc8 18.Qb2–+) 18.Rd1 (18.a3 Ne5 19.c5 Nc4-/+) 18...Qe5 (18...Nb4 19.Nb5 Nc6 20.Bc6 bc6 21.Na7–+) 19.Qe1? (19.Nd5 Be4 20.f3 Bd5 21.cd5 Nd8+=) 19...Be6 (19...Nb4 20.Nd5 Nd5 21.Rd5–+) 20.Qd2? (20.Nd5 Qb2-/+) 20...Kg7 21.Ne4? Kg8?? 22.Ng5?? Rf8 23.f4 Qc5?? 24.e3 Bg4?? 25.Re1 h6?? 26.Ne4 Qa5?? 27.Nc3 a6?? 28.Rc1 Rc8?? 29.Qb2 Be6?? 30.Kf2 b5?? 31.cb5 ab5?? 32.Nd5 Bd5?? 33.Bd5 Na7?? 34.Rc8 Nc8 35.Qc2 Kg7 36.Qb2 f6?? 37.Qc2 (37.Qc2 Qb4 38.Be6-/+; better is 37.ba5 Na7 38.Qd4+–) 1–0. Gulko,Boris F – Dlugy,Maxim, Los Angeles ch–USA m, 1991. (=1.c4 c5 2.Nf3 Nf6 3.b4 g6 4.Bb2 Bg7 5.g3 0-0)

6.a3 cb4

7.ab4 Nc6 8.b5 Nb8 9.Bg2 e6 10.0-0 d5 11.c5 a6 12.d4 Bd7 13.Nc3 Qe8? (better is 13...Ne4 14.Ne4 de4+/–) 14.Qb3+– Ne4 15.ba6 (better is 15.c6!? bc6 16.b6+–) 15...Nc3 16.Bc3 ba6 17.Qb6 (17.Rfb1!?+/–) 17...Bb5+= 18.Ra2 Qc6 19.Qa5 Nd7 20.Rb1 Rfb8 21.e3 Bd3 22.Rb8 Rb8 23.Bf1 Bf1 24.Kf1 Qb5 25.Kg2 Qa5 26.Ra5 Ra8 27.Kf1 Bf6 28.Ke2 Bd8 29.Ra1 Kf8 30.Kd3 Ke7 31.Rb1 f6 32.Rb7+– Rb8 33.Ra7 Ke8? 34.Ra6 e5 35.c6 e4+/– 36.Kc2 ef3 37.cd7 Kd7 38.Ra7 Bc7 39.Ba5 Rc8 40.Kd3 Kd6? 41.Bb4?? Kd7 42.e4 de4 43.Ke4 Ke6?? 44.d5+– Kd7 45.d6 Kc6 46.Rc7 Rc7 47.dc7 Kc7 48.Kf3 Kd7 49.Ke4 Ke6 50.g4 Kf7 51.Kd5 Kg7 52.Ke6 f5 53.g5 Kg8 54.Kf6 f4 55.Ke5 f3 56.Kf4 Kf7 57.Kf3 Ke6 58.Ke4 Kd7 59.Ke5 Kc6 60.Kf6 Kd5 61.Kg7 Ke4 62.Kh7 Ke5 63.Kg6 Ke4 64.h4 Kd3 65.h5 Kc4 66.h6 Kb4 67.h7 Kb5 68.Kg7 Kc6 69.g6 Kc5 70.f4 Kc6 71.f5 Kc5 72.f6 Kc6 73.Kf7 Kc5 74.g7 Kc4 75.Ke7 Kc3 76.Ke6 Kc2 77.Kd5 (77.Kd5 Kb3 78.h8Q Kc3 79.Qh3 Kb4 80.g8Q Ka4 81.Qb8 Ka5 82.Qa3#; 77.g8Q Kc3 78.f7 Kd2 79.h8Q Kd3 80.Qg3 Kc4 81.Qb2 Kc5 82.Qc7#) 1–0. wictorio (1785) – lukaasz (1725), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5)

7.ab4 d5 8.c5 b6 9.Qc2 bc5 10.bc5 Nc6 11.Nd4 Nd4 12.Bd4 Re8 13.Bg2 e5 14.Bb2 Bf5 15.d3 Qc7 16.0-0 Rac8 17.Rc1 d4 18.Nd2 Bf8 19.c6 Be6 20.Nc4 Bd5 21.Na5 Bg2 22.Kg2 Nd5 23.Qc4 Nb6 24.Qa2 Bb4 25.Ba3 Ba5 26.Bc5 Bc3 27.Rab1 Qc6 28.f3 Qc5 0–1. racvac001 (1610) – mefhisto (1630), kurnik, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

6.b5 a6

7.Na3 d5 8.cd5 Qd5 9.ba6 Na6 10.Bg2 Nb4 11.0-0 Ne4 12.Bg7 Kg7 13.Qb1 Kg8 14.Qb2 Be6 15.d3 Nd6 16.d4 Na2 17.Rfb1 Ra5 18.e3 Nb4 19.dc5 Nd3 20.Qd2 (20.Ne1 Nb2 21.Bd5 Bd5 22.cd6 Nc4 23.Nc4 Ra1 24.Ra1 Bc4=) 20...Nc4?? (better is 20...Qc5 21.Nc2 Ra1 22.Ra1 Bc4-/+) 21.Nc4+/– Ra1 22.Ra1 Qc4 23.Bf1 Qd5 24.Qd3 (worse is 24.Bd3 Qf3 25.Be2 Qc6+=) 24...Qf3 25.Bg2 Qf6 26.Ra7 Qb2 27.Rb7 Qc1 28.Qf1 Qc5 29.Qb5 Qc1 30.Qf1 Rc8 31.Rb1 (worse is 31.Re7 Qa3 32.Re6 fe6-/+) 31...Qa3 32.Ra1 Qb2 33.Ra8 Ra8 34.Ba8 Bg4 35.Be4 Qe5 36.Qd3 Bh3 37.Qd8 Kg7 38.Qd4 Qd4 39.ed4 Kf6 40.f3 Bf5 41.Bc6 Ke6 42.Kf2 Kd6 43.Ba4 Be6 44.Ke3 Bc4 45.Bc2 Be6 46.Ba4 Ba2 47.Be8 f6 48.h4 Bd5 49.Ba4 Kc7 50.Bc2 Bf7 51.h5 g5 52.Bh7 Bh5 53.f4 gf4 54.Kf4 Kc6 55.Be4 Kb5 56.Bd5 Bg6 57.g4 Kb4 58.g5 Kc3 59.gf6 ef6 60.Ke3 Bc2 61.Be4 Bb3 62.Kf4 Be6 63.d5 ½–½. Ottolini,Graziano – Barlocco,Carlo (2180), Vanzaghello op, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5 6.b5 a6)

7.a4 ab5 8.ab5 Ra1 9.Ba1 d5 10.cd5 Qa5 11.Nc3 Rd8 12.Qa4 Qb4 13.Qb4 cb4 14.Na4 Rd5 15.e3 Bg4 16.Nd4 e5 17.Nb3 Bf3 18.Rg1 Ne8 19.Bc4 Rd8 20.d4 Nd6 21.Be2 Be2 22.Ke2 ed4 23.Nd4 Bd4 24.Bd4 Nb5 25.Bf6 Rd6 26.Be5 Ra6 27.Nc5 Ra2 28.Kf3 Nc6 29.Bf6 Nc3 30.Nb7 Nd5 31.Nd8 Nd8 (worse is 31...Nf6 32.Nc6 Rb2 33.g4+=) 32.Bd8 b3 33.Rd1?? (better is 33.e4 Nc3 34.Bf6+=) 33...b2–+ 34.Rd5 (34.Rb1 Nc3 35.Rb2 Rb2 36.Bf6–+) 34...b1Q 35.Rd4 Qf5 (35...Qf5 36.Rf4 Qd5 37.e4 Qd8–+) 0–1. Zarko,Ivica (2035) – Frouth,Nenad (2210), Zagreb op–B, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.b5 a6)

7.a4 ab5 8.ab5 d5 9.Ra8 1–0. gentelmenjoe (1795) – boldizsar12 (1780), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5)

7.a4 ab5 8.cb5 d5 9.d3 Nbd7 10.Nbd2 Nb6 11.a5 Nbd7 12.Qa4 Re8 13.Bg2 e5 14.e4 Nb6 15.Qc2 de4 16.de4 Nbd7 17.Nc4 Qe7 18.0-0 Nf8 19.Be5 Ne6 20.Nb6 Ra7 21.Rfd1 Nd4 22.Bd4 cd4 23.e5 Nd7 24.Nc8 Rc8 25.Qc8 Nf8 26.Rd4 Be5 27.Re1 f6 28.Rd8 Ra5 29.Ne5 fe5 30.Bd5 Kg7 31.Qb7 Qb7 32.Bb7 Rb5 33.Bc6 Rc5 34.Bf3 Ne6 35.Rd7 Kf6 36.h4 h6 37.Rd6 Ke7 38.Re6 Ke6 39.Be4 Kf6 40.Kg2 Ra5 41.Rc1 Ra6 42.Rc6 Rc6 43.Bc6 g5 44.hg5 hg5 45.Kf3 Kf5 46.Bd7 Kf6 47.Ke4 Ke7 48.Ke5 Kd7 49.Kf5 Ke7 50.Kg5 Kf7 51.f4 Kg7 52.f5 Kf7 53.f6 Kg8 54.Kg6 Kf8 55.f7 Ke7 56.Kg7 Kd6 57.f8Q Kd5 ½–½. gentelmenjoe (1825) – lokatorki (1815), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5)

7.a4 ab5 8.cb5 d5 9.Bg2 d4 10.d3 Nbd7 11.Qb3 Nb6 12.Nbd2 Be6 13.Nc4 h6 14.a5 Nbd5 15.0-0 Nb4 16.Bd4 cd4 17.Qb4 Nd5 18.Qd2 Nc3 19.Nb6 Ra7 20.Rfc1 Nb5 21.Rab1 Nc3 22.Rb4 Ra5 23.Rd4 Bd4 24.Nd4 Qd4 25.Qc3 Qb6 0–1. racvac001 (1630) – sokolniki (1760), kurnik, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

7.a4 d5+= 8.cd5 ab5 9.ab5 Ra1 10.Ba1 Qd5 11.Bg2 Qh5 (11...Rd8 12.0-0=) 12.0-0 (12.h3 Qd5=) 12...Bh3 13.Qa4 (13.Bh3 Qh3 14.Qc2 b6=) 13...Nbd7 14.Na3 (better is 14.Bf6 Nf6 15.Qa7=) 14...Ng4 (better is 14...Bg2!? 15.Kg2 Rd8+=) 15.Bg7+= Kg7 (15...Bg2 16.Kg2 Kg7+=) 16.Qf4 (16.Qe4!?+=) 16...e5 (16...Bg2 17.Kg2 e5 18.Qe4=) 17.Qg5 (17.Qc4 Bg2 18.Kg2 Ngf6=) 17...Qg5+= 18.Ng5 Bg2 19.Kg2 Ra8 (19...Ngf6 20.d3+=) 20.Nc4= f5 (20...Ra2 21.Rc1=) 21.Ne6 Kf7 22.Ng5 Ke7 23.Nh7 Rh8 24.f3 Nh2+= 25.Kh2 Rh7 26.Kg2 Ke6 27.Ra1 Kd5 Black plans e4 28.Ra4 Re7 Black prepares e4 29.Kf2 e4 30.fe4 Re4 31.Ne3 Kd6 32.Re4 fe4 33.g4 Ne5 34.g5 Nf7 35.Kg3 Ke5 36.Kg4 Nd6 37.b6 c4 38.Kh3 Kf4 39.Kh4 Nf5 40.Nf5 Kf5 41.e3 Ke5 42.Kg4 Kd6 43.Kf4 Kd5 44.Kg3 Kc5 45.Kf4 Kb6 46.Ke5 Kc5 47.Kf6 b5 48.Kg6 b4 49.Kf5?? c3 50.dc3= bc3 51.g6 c2 52.g7 c1Q 53.g8Q Qe3 54.Qc8 Kd4 55.Qd7 Kc3 56.Qc6 Attacks the isolani on e4 56...Kd3 57.Qd5?? Qd4–+ 58.Qb3 Ke2 59.Qc2 Kf3 60.Qb3 Qd3 61.Qb7 Qd4 62.Qb3 e3 63.Qa3 Kf2 64.Qa2 e2 65.Kg5 Qe3 66.Kh5 Qf3 67.Kg5 Kg1 68.Qb1 Qf1 69.Qb6 Qf2 (69...Qf2 70.Qf2 Kf2–+) 0–1. Salminen,J (2030) – Nouro,M (2340), Heart of Finland, Jyvaskyla FIN, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

7.a4 d5 8.Bg2 dc4 9.Na3 ab5 10.ab5 Bd7 11.Ne5 Ng4 12.Nac4 Ra1 13.Qa1 (worse is 13.Ba1 Ne5 14.Ne5 Bb5+=) 13...Ne5 14.Ne5 Bb5 15.Nd3 (15.Ng6 Bh6 16.Nf4= (16.Nf8? Qd2 17.Kf1 Qe2 18.Kg1 Be3–+)) 15...Bb2-/+ 16.Nb2 Bc6 17.Bc6 Nc6 (17...bc6?! 18.d3+=) 18.d3 Nd4 19.Qc1 (better is 19.Qa2–+) 19...Qd5 20.e4 Qh5 21.Qd1 Nf3 22.Kf1 Nh2 (better is 22...Qh3!? 23.Ke2 Nd4 24.Ke3 f5 25.ef5 Qf5–+) 23.Kg2-/+ Qd1 24.Nd1 (better is 24.Rd1!? Ng4 25.Na4–+) 24...Ng4–+ 25.Kf3 h5 26.Ke2 Ra8 27.Nc3 e6 28.Rb1 Ra3 29.Nd1 Ra7 (29...Ra2 30.Kf1–+) 30.f4 Ra2 31.Kf1?? (31.Ke1–+) 31...Nh2 32.Kg1 Nf3 33.Kh1 0–1. Lindsay,Richard (1710) – Anderson,Collin (1810), Winnipeg Mike Shpan Memorial, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.b5 a6)

7.Qa4 d6=.

7.ba6 Ra6 8.Bg2 d5 9.cd5 Qd5 10.Nc3 Qh5 11.h3 g5 12.d3 Nc6 (12...Nbd7 13.Qd2+= (13.Qc1 h6 14.g4+=)) 13.Nb5 (13.Qc1 h6+=) 13...h6 (13...Ra5 14.a4=) 14.a4 (14.Qc1 Nd7+=) 14...Bd7= 15.Qc2 b6 16.Bc3 (16.Ne5 Ne5 17.Be5 g4+=) 16...Qg6 17.Nd2 Nb4 18.Bb4 cb4 (18...Bb5 19.Bc3 Bd7 20.a5+=) 19.Rb1+= Rc8 20.Qd1 (20.Nc4 Be6 21.Rb4 Nd5 22.Bd5 Bd5+=) 20...Bb5 21.ab5 Ra2 22.Nc4 Qf5 23.Qb3 Nd5? 24.Qa2+– Nc3 25.Qb2 Nb1 26.Qb1 Bc3 27.Nd2 Qb5 28.Qd1 b3 29.0-0 b2 30.Qb3 Qb3 31.Nb3 Bb4 32.Be4 Rc3+= 33.Nd2 Rc2 34.Nb1 Re2 35.Kg2 e6 36.Kf3+/– Rc2 37.d4 Rc4 38.Ke3 f5 39.Bd3 Rc1 40.Ke2 Kg7 41.Rd1 Kf6 42.Nd2 b5 43.Nb3 Rc3+= 44.Nc5 Rc1 45.Bb1 Ke7 46.Nd3+= Ba3 47.Kd2 Rc4 48.Ba2 Rd4+= 49.Kc2 Kf6 50.Re1 Attacking the backward pawn on e6 50...Rd6 51.Rb1 Rc6 52.Kd2 e5= 53.Nb2 e4 54.Bb3 Bb4 55.Ke2 Ke5 56.Rd1 Rc5 57.Rd8 f4 58.Nd1 Ba5 59.Ra8 Bc7= 60.gf4 gf4 61.Re8 ½–½. Wiley,To (2205) – Vybiral,Z (2240), Arcimpex Cup, Frydek Mistek CZE, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

7.Bg2 ab5=+ 8.cb5 Qb6 9.a4 d6 10.0-0 Bg4 11.d3 Nbd7 12.Nbd2 Ra7 13.Nc4 Qc7 (13...Qd8 14.Ne3=) 14.a5+= b6 15.a6 Nd5 (15...Bf3 16.Bf3 d5 17.Ne3+=) 16.Bg7+/- Kg7 17.Qc2 Nb4 18.Qb2 e5 19.Rfc1 f6 20.h3 Be6 21.Nfd2 Qb8 22.Na3 Rd8 23.Ndc4 d5 24.Ne3 d4 25.Nec4 Nd5 26.Nc2 Nc3 27.Ne1 Bc4 28.dc4 e4 29.Rc3 dc3 30.Qc3 Qe5 31.Qe5 Ne5 (31...fe5? 32.Be4 Nf6 33.Bc6+-) 32.Be4 Nc4 33.Nd3 Ne5 (33...f5 34.Bc6=) 34.Ne5 (34.Nc5 bc5 35.b6 f5+-) 34...fe5 35.Bc6 (35.f3 Kf6+=) 35...Rd2 (35...Kf6 36.f4=) 36.Kg2 (36.Kf1 Kf6=) 36...Kf6 (better 36...Re2!? 37.Kf3 Rd2=+) 37.Kf3+= Ke6 38.Ke3 (38.e4 Rf7 39.Kg4 Ra7+= (39...Rff2? 40.a7 Rf8 41.Ra6+-)) 38...Rd4= 39.Ra3 Kd6 (39...g5 40.Rd3=) 40.Rd3 Rc7 (40...g5 41.Rd4 ed4 42.Kd3+=) 41.Rd4 (41.Bb7 Rb7 42.ab7 Kc7+=) 41...ed4 42.Kd3 Rc6 (better 42...h5+=) 43.bc6+- Kc6 44.e3 de3 (44...b5 45.e4 b4+-) 45.fe3 b5 (45...c4 46.Kd4 g5+-) 46.e4 Kb6 (46...c4 47.Kd4 Kb6 48.e5 Ka6 49.e6+-) 47.e5 Ka6 48.e6 Kb6 (48...c4 49.Kd4 g5 50.e7+-) 49.e7 c4 50.Kc3 Kc5 51.e8Q b4 52.Kc2 c3 (52...Kd4 53.Qh8 Ke3 54.Qh7+-) 53.Kc1 (53.Qe7 Kc4 54.Qh4 Kc5+-) 53...Kc4 (53...g5 54.Qc8 Kd5 55.Qb7 Kc5 56.Kc2+-) 54.Qe7 (54.Qe4 Kc5+-) 54...b3 55.Qe6 (55.Qh7 Kd4+-) 55...Kd3 Black plans c2 56.Qf6 (better 56.Qb3!? Ke3+-) 56...b2 57.Kb1 c2 (57...Kc4 58.Kc2+-) 58.Kb2 Kd2 59.Qd4 Ke1 60.Kc2 Kf1 61.Qe3 (61.Kd3 h6 62.Ke3 g5 63.Kf3 g4 64.hg4 Ke1 65.Qd3 h5 66.Qe2) 61...Kg2 62.Qf3 (62.Kd1 Kh2 63.Ke2 g5 64.Qf3 Kg1 65.Qf2 Kh1 66.Kf1 h5 67.Qg2) 62…Kh3 (62...Kh3 63.Kd3 Kh2 64.Ke3 Kh3 65.Qf1 Kg3 66.Qg1 Kh4 67.Kf4 g5 68.Qg5 Kh3 69.Qg3). Spiritchaser84 (2225) - Revoleador (2115), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

6.b5 d5

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 a6 10.Qb3 Nb4 11.a3 Nd5 12.Nc3 Nc3 13.Qc3 Kg8 14.Qc5 ab5 15.Qb5 Qd6 16.Qb2 Qa6 17.d3 Qa5 18.Nd2 Nc6 19.0-0 Nd4 20.Nc4 Qa7 21.e3 Nc6 22.Nb6 Rb8 23.d4 Rd8 24.Rfc1 e6 25.d5 ed5 26.Nd5 Rd5 27.Bd5 Bf5 28.Qf6 Nd8 29.Rc7 1–0. gentelmenjoe (1870) – strusf (1920), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5)

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 a6 10.Qb3 ab5 11.Qb5 b6 12.Qb2 Kg8 13.0-0 Ba6 14.d3 (14.d4 Nc6+=) 14...Qd6 (14...Nc6 15.Nbd2=) 15.Nc3 Qf6 16.Rfc1 (16.Ne5 Nc3 17.Ng4 Qg5 18.Qc3 Qg4 19.Ba8 Qe2+/-) 16...Nc6 (16...Bb7 17.Qb3 Nc3 18.Qc3 Qc3 19.Rc3=) 17.Rab1+= Nc3 18.Qc3 Qc3 19.Rc3 Rab8 20.a3 (20.Rcb3 c4 21.Rb6 cd3 22.ed3 Bd3 23.Rb8 Rb8 24.Rb8 Nb8+=) 20...Rfc8 21.Nd2 (21.a4 h6+=) 21...Nd4= 22.Kf1 b5 23.e3 Ne6 (23...b4 24.ab4 cb4 25.Rc8 Rc8 26.Be4= (26.ed4?? Bd3 27.Ke1 Bb1-+)) 24.Ke1 Rd8 25.Bf1 (25.Rcb3 b4 26.Ke2 Rd6+=) 25...b4 (25...h6 26.Rcb3=) 26.ab4 (26.Rcb3 Rb7+=) 26...cb4= 27.Rcb3 Nc5 Will d3 fall? 28.Rb4 Rb4 29.Rb4 Bd3 30.Rd4 Rd4 (30...Rd6 31.Rd6 ed6 32.Bd3 Nd3 33.Ke2 Nc1 34.Kf3=) 31.ed4+/- Bf1 32.dc5 (worse 32.Kf1 Ne6 33.Nb3 Nc7=) 32...Bb5 33.Nb3 (33.f4 f6+=) 33...e5 34.Kd2 Kf8 35.Kc3 Ke7 36.Kb4 Be2 37.Ka5 Bc4 38.Nd2 Bd5 39.Nf1 f5 (39...f6 40.Ne3 Bf3 41.Kb6+/-) 40.Ne3 Bc6 (40...Be6!?+=) 41.Kb6+- Kd7? (better 41...Bd7+-) 42.Nc4 (42.Nc4 Bd5 43.c6 Bc6 44.Ne5 Kd6 45.Nc6+-) 1-0. Rey_Yan (2450) - Alex844 (2485), Rated Blitz game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

7.cd5 Nd5 8.Bg7 Kg7 9.Bg2 Bf5 10.d3 Qa5 11.Qd2 Qd2 12.Nbd2 Nf6 13.0-0 Nbd7 14.Rfc1 Rac8 15.Nc4 b6 16.Nfe5 Ne5 17.Ne5 Bd7 18.a4 a6 19.ba6 Rc7 20.d4 Ra7 21.dc5 bc5 22.Bb7 Bc8 23.Nc6 Bb7 24.Na7 Ba6 25.Rc5 Be2 26.a5 Rd8 27.Nc6 Rd2 28.a6 Ba6 29.Ra6 Ne4 30.Rca5 Nf2 31.Ra2 Nh3 32.Kh1 Rd1 33.Kg2 Ng5 34.h4 Ne4 35.Ne7 f5 36.Ra7 Kh6 37.Ng8 Kh5 38.Rh7 Kg4 39.Rf2 Nf2 40.Nf6 1–0. gentelmenjoe (1800) – edaname (1660), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c5)

6.bc5 Qa5

7.Qb3 Na6 8.Bc3 Qc5 9.d4 Qc7 10.Nbd2 d6 11.Bg2 Rb8 12.0-0 Be6 13.Rac1 Rfc8 14.Bb2 b5 15.Qa3 bc4 16.Bc3 Qc6 17.Ne5 Qe8 18.Qa6 de5 19.de5 Ng4 20.Nf3 Bd5 21.Rfe1 e6 22.h3 Nh6 23.Rb1 Rb1 24.Rb1 Rb8 25.Re1 Qc8 26.Qc8 Rc8 27.e4 Bc6 28.Nd2 Bb5 29.Rb1 a6 30.Ra1 Ba4 31.Bf1 Bc2 32.g4 Kh8 33.g5 Ng8 34.Nc4 Rb8 35.Nd6 Ne7 36.Ba6 Kg8 37.Bc4 Nc8 38.Rc1 Ba4 39.Bb3 Bb3 40.ab3 Bf8 41.Nc8 Rc8 42.Kf1 Ba3 43.Ra1 Rc3 44.Ra3 Kg7 45.Kg2 Rc5 46.h4 Re5 47.Ra4 Rb5 48.b4 h6 49.gh6 Kh6 50.f3 f5 51.Kg3 g5 52.Ra6 gh4 53.Kf4 Kg7 54.Re6 h3 55.Kg3 Kf7 56.ef5 Rb4 57.Rh6 Kg7 58.Rh3 Kf6 59.Rh5 Ra4 60.f4 Ra1 ½–½. Waestfelt – Edelsvaerd, corr SSKK SM–1973.

7.Qc2 Na6 8.Bg2 Nc5 9.Nc3 d6 10.0-0 Bd7 11.Rac1 Rac8 12.Qb1 Na4 13.Na4 Qa4 14.d3 Bc6 15.Bh3 Bd7 16.Bg2 b5 17.cb5 Rb8 18.Nd4 e5? (better is 18...Bb5!? 19.Qa1 Bd7=) 19.Rc4+/– Qa5 20.Nc6 Bc6 21.Bc6 (21.Rc6?! Qb5 22.Rc2 Nd5=; 21.bc6?! Qc7+/–) 21...a6 22.ba6 Qa6 23.a4 d5 24.Bb5 Qe6 25.Rc6 Qh3 26.f3 (26.Be5?? Ng4 27.Rfc1 Qh2 28.Kf1 Qf2) 26...d4 27.Rc5 Nh5 28.Rf2 Rfc8 29.Rc8 Rc8 30.Bc4 Bh6 31.Bc1 Be3 32.Be3 de3 33.Rg2 Qd7 34.Qb3 Qc7 35.Kh1 Ng7 36.g4 Ne8 37.Rg1 Nd6 38.Rc1 Qa5 39.Kg2 Qd2= 40.Qc2 Kf8 41.Kf1 Ke7 42.Qb1 h5 43.Rc2 Qa5 44.Bb5 hg4 45.Rc8 Nc8 46.Qc2 Qd2 47.Qc7?? Kf6?? 48.Qc6?? Kg5 49.d4-/+ gf3 50.Qf3= Qd4 51.Qf7 Nd6 52.Qe7 Kh6 53.Qf8 Kh5 54.Qh8 Kg5 55.Qd8 Kh5 56.Qh8 Kg5 57.Qd8 ½–½. Fier,Luciano Dos Santos (1920) – Souza,Adwilhans Luciano (2320), Curitiba BRA, Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.bc5 Qa5)

7.Bg2 Qc5

8.0-0 Qc4=+ 9.Na3 Qb4 10.Qc2 (10.Rb1 Nc6=+) 10...Nc6 (10...d5 11.Rab1 Bf5 12.d3=+) 11.d3 (11.Rab1 Qa5=+) 11...d5 12.Rab1 Qa5 (12...e5 13.Qc1 Qe7 14.Nb5=+) 13.Bc1 (13.Nb5 Bg4=+ (13...Qa2?? 14.Ra1 Qa1 15.Ra1+-)) 13...e5 (13...a6 14.Qb3-/+) 14.e4 (14.Nb5 a6 15.Nd6 e4 16.de4 Ne4 17.Nb7 Qc3=+) 14...h6 (14...Rd8!?-/+) 15.ed5 Nd5 16.Nc4 Qc7 17.Re1 Be6 18.Nce5? (better 18.Bd2-/+) 18...Ne5-+ 19.Qc7 Nf3 (19...Nc7 20.Ne5 Rfb8 21.a4+/-) 20.Bf3 Nc7 21.Rb7 Bd5 22.Bd5 Nd5 23.Rd7 (23.Be3 a6-+) 23...Rfd8 24.Rd8 (24.Rb7 Rac8 25.Bb2 Bb2 26.Rb2 Rd7-+) 24...Rd8 25.d4 (25.a3 Rc8-+) 25…g5 0-1. GodSaveTheQueene - Lance5500 (2470), lichess.org, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

8.Qb3 Nc6 9.0-0 d6 (9...Na5 10.Qa3 b6 11.Bc3=) 10.d3 (10.d4 Qb6=) 10...Qh5 (10...Bd7 11.Nc3= (11.Qb7?? Rab8 12.Qb3 Rb3 13.ab3 Qb6–+)) 11.Nc3 Rb8 (11...b6 12.Nd5=) 12.Qb5 (12.Nd5 e5+=) 12...e5 (12...Bf5 13.Nd5=) 13.Rfe1 (13.Rac1 Be6=) 13...Be6 14.Nd2 (14.a4 Rfc8=) 14...Nd4+= 15.Qa4 Bh3 (15...a6 16.Rac1=) 16.e3 (16.Rab1 Ng4 17.Bf3 Qh6 18.Bg4 Bg4+=) 16...Ne6+= 17.Nce4 (17.Ba3 e4 18.Nce4 Bg2 19.Nf6 Bf6 20.Kg2 Ba1 21.Ra1 b5 22.cb5 Rfd8+=) 17...Ne4 (17...Bg2 18.Nf6 Bf6 19.Kg2=) 18.Ne4 (18.Be4 Nc5 19.Qa7 Bf5=) 18...Bg2+= 19.Kg2 f5 20.Nd2 (20.Nd6 Ng5 21.Qb5 Qf3 22.Kf1 Rbd8-/+) 20...f4 (20...Nc5 21.Qa3 e4 22.Bg7 Kg7+=) 21.Qd1 (21.ef4 Nc5 A) worse is 22.Qa7 Nd3 23.Rab1 ef4 24.Bg7 A1) worse is 24...Kg7 25.Re7 (25.Rb7?! Rb7 26.Qb7 Kg8=) 25...Kg8 26.Qd4+–; A2) 24...Ne1?! 25.Re1 Kg7 26.Re7 Kg8 27.Qd4 f3 28.Kg1-/+; A3) 24...fg3 25.fg3 A31) 25...Kg7 26.Qd4 (26.Rb7 Rb7 27.Qd4 Ne5–+) 26...Ne5 27.c5+/–; A32) 25...Ne1 26.Re1 Kg7-/+; B) 22.Qa3+=) 21...f3-/+ 22.Kh1 (22.Nf3? e4! 23.Nh4 Qd1 24.Rad1 Bb2 25.de4 Nc5–+) 22...Nc5 (22...b5 23.Rb1 bc4 24.dc4-/+) 23.Qc2 Rf5 24.g4 (24.d4!? Nd7 25.Qe4-/+) 24...Qg4–+ 25.Rg1 Qh4 26.Rg3 Rbf8 27.Ne4 (27.h3 Qh6 28.Rag1 Rh5-/+) 27...Qh6 28.Nd2 (28.h3 Rh5 29.Kh2 g5–+) 28...Rh5 29.Nf1 (29.Nf3?? Rf3! 30.Rg2 Rfh3–+) 29...Rff5 (29...e4 30.Bg7 Qg7 31.d4–+) 30.Qd1 (30.Kg1 Rhg5 31.e4 Rf7–+) 30...Rh3 (30...e4 31.Bg7 Qg7 32.d4–+) 31.e4 (31.Rb1 Qh4 32.e4 Rf7–+) 31...Rf7 32.Ba3 (32.Bc1 Qh5–+) 32...Rg3 33.Ng3 (33.fg3 Qh3 34.Ne3 Bh6–+) 33...Qh3 34.Qf1 (34.Qg1 Nd3 35.Rd1 Nf4–+) 34...Nd3 35.Bd6 (35.Kg1 Nf4 36.Qh3 Nh3 37.Kf1 h5–+) 35...Rd7 36.Ba3 (36.Bb8 Qe6 37.Ba7–+) 36...h5 37.Kg1 Qe6 38.Rd1 Qc4 39.Rc1 (39.h4 Bh6 40.Be7 Bf4–+) 39...Qa2 40.Rc8 (40.Ra1 Qc4 41.h4 Bf6–+) 40...Kh7 (40...Kh7 41.Bc1 h4–+) 0–1. Kambrath,Yannick (2310) – Venkatesh,Marani Rajendran (2400), 92. ch–Paris IdF, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.bc5 Qa5)

8.Qb3 Nc6 9.d4 Qa5 10.Bc3 (10.Nc3 d6=) 10...Qc7 11.Nbd2 (11.Na3 Ne4 12.Nb5 Qd8=) 11...d6 12.0-0 (12.Rb1 b6=) 12...Rb8 (12...Bf5 13.d5 Nd8 14.Rfe1=) 13.d5 (13.e4 Bd7=) 13...Na5 14.Qa4 (14.Qb4 b6=) 14...b6 15.Rac1 Bd7 16.Qb4 (16.Qa3 Nb7=) 16...Rfc8 (16...Nb7=) 17.Qb2 (better is 17.e4!?=) 17...Nc4-/+ 18.Nc4 Qc4 19.Rfd1 Qb5 (19...a6 20.a3-/+) 20.Qa1 (20.Nd4 Qb2 21.Bb2 Kf8-/+) 20...Qa4 (20...Qe2 21.Re1 Qa6 22.Nd4-/+) 21.Nd4+= Rc5 22.Nc6 Bc6 23.dc6 Rc8 (23...d5 24.Be5 Rc8 25.c7+=) 24.Bd4 (24.Qb1 Qg4+=) 24...Rc1 25.Rc1 Rc7 26.Bf6 (26.Qb2 Bh6 27.Rc2 e5+=) 26...Bf6-/+ (26...ef6?! 27.Qb2=) 27.Qb1 e6 (27...Qa5 28.Qc2-/+) 28.Qb3 Qb3 (28...Qa5 29.h3-/+) 29.ab3+= a5 30.e3 (30.e4 b5-/+) 30...Bb2 (30...b5 31.h3-/+) 31.Rc2+= Ba3 (31...Bg7 32.Kf1+=) 32.Bf1 Kf8 33.Bb5 d5 34.Kf1 Ke7 35.Ke2 Kd6 (35...h6 36.g4+=) 36.Kd3 (36.g4 f5 37.g5 e5+=) 36...Bc5 37.f3 (37.h3 e5-/+) 37...Re7 (37...f5 38.Ke2-/+) 38.Ba4 (38.h3 h6+=) 38...e5-/+ 39.e4 f5 40.ed5 (40.Bb5 de4 41.fe4 f4-/+) 40...Kd5 41.Ke2 g5 42.Rd2 (42.h4 gh4 43.gh4 h5-/+) 42...Bd4 43.Rc2 (43.h3 f4 44.gf4 ef4 45.Kd1 h6-/+) 43...Rc7 44.h3 (44.h4 g4-/+) 44...h6 (44...e4 45.fe4 fe4 46.Bb5-/+) 45.g4+= fg4 (45...f4 46.Kd3+=) 46.hg4 e4 (46...Kd6 47.Bb5+=) 47.Bb5 (47.fe4 Ke4 48.Bb5 Kd5+=) 47...ef3 48.Kf3 Rf7 49.Kg2 Rc7 (49...Kd6 50.Rd2 Kc5 51.Rc2 Kb5 52.c7 Rc7 53.Rc7-/+) 50.Be2 (50.Kf3 Be5+=) 50...Kd6+= 51.Bf3 (51.Rd2 Ke5 52.Bf3 b5+=) 51...b5 52.Kf1 (52.Ra2 Ra7+=) 52...Re7 (52...Rf7 53.Ke2+=) 53.Rd2 Kc5 54.Rc2 Kd6 (54...Kb6!?+=) 55.Rd2= Kc5 56.Rc2 Kb6 57.Rd2 Bc5 (57...Re3 58.Bd5 Bc3 59.Rc2+=) 58.Rd7 a4?? (58...Rd7 59.cd7 Be7-/+) 59.c7+– Rd7? (59...Re8 60.Rd8 Kc7 61.Re8 a3+–) 60.c8Q Rd6 61.ba4 ba4 62.Qb7 Ka5 63.Bc6 Bb6 (63...Rc6 64.Qc6 Kb4+–) 64.Qa8 (64.Qa8 Kb4 65.Qa4 Kc5 66.Qb5 Kd4 67.Qb6 Ke5 68.Qc5 Ke6 69.Be4+–) 1–0. Michalicka,Milan (2200) – Kopnicky,Vladimir (2060), SVK, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.bc5 Qa5)

8.Qb3 Nc6 9.d4 Qb4 10.Bc3 Qb3 11.ab3 Ne4 12.Bb2 d5 13.0-0 Be6 14.Rc1 Rfd8 15.e3 Nb4 16.Bf1 Nc5 ½–½. Liebert,Heinz – Vogt,Lothar, DDR–ch, 1968. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5)

8.Qb3 Nc6 9.d4 Qh5 10.d5 Nd8 11.h3+=.

8.d3 Ne4 9.d4 Qc4 10.0-0 d5 11.a4 b6 12.Nbd2 Qc7 13.Rc1 Qd6 14.Ne5 Nd2 15.Qd2 Bb7 16.Rc2 Nd7 17.Qe3 Ne5 18.de5 Qd7 19.e6 Qe6 20.Qe6 fe6 21.Bg7 Kg7 22.Rc7 Bc8 23.Re7 Rf7 24.Re8 Kf6 25.Bh3 Re7 26.Rf8 Ke5 27.Rd1 Bb7 28.f4 Kd6 29.Rf6 Rae8 30.e4 Kc7 31.f5 ef5 32.ed5 Re1 33.Re1 Re1 34.Kf2 Rd1 35.Bg2 Bd5 36.Ke2 Bb3 37.a5 Rd6 38.Rf8 b5 39.Rh8 Rd7 40.Ra8 Kd6 41.Kd2 Bd5 42.Bd5 Kd5 43.Kc3 Kc6 44.Rb8 Rb7 45.Rc8 Rc7 46.Rb8 Kc5 47.Kb3 a6 48.Rb6 Rc6 49.Rb7 Kd4 50.Kb2 h6 51.h3 g5 52.Rf7 Ke4 53.Re7 Kf3 54.Rb7 Rc4 55.Rb6 Ra4 56.Ra6 Kg3 57.Rh6 Ra5 58.Rh5 Kf4 59.Rh8 Ra6 60.Kc3 Rd6 0–1. Dalusung – Shauck, California 1993.

8.d3 Ne4 9.d4 Qc4 10.0-0 d6 11.Nbd2 Nd2 (11...Qb5 12.Qb3 Qb3 13.ab3=+) 12.Qd2 Bd7 (12...Nc6 13.Rfc1 Qb5 14.e4=+) 13.Rfc1= Qa6 (13...Qb5 14.a4 Qb6 15.a5=+) 14.e4 (14.d5 Bb2 15.Qb2 b6=) 14...Bg4 (14...Rc8 15.Rc8 Bc8 16.Rc1=+) 15.Ne1 (15.d5 Bb2 16.Qb2 Rc8=) 15...Nc6=+ 16.h3 (16.Bf1 Qa4=+) 16...Bd7 (16...Be2 17.d5 Ne5 18.Rab1=+) 17.d5 (17.Bf1 Qa4=+) 17...Ne5-/+ 18.Bf1 Bb5 (better 18...b5-/+) 19.Bg2?? (better 19.Bb5 Qb5 20.Rab1=) 19...Nc4–+ 20.Rc4 Bb2 21.Qb2 Bc4 22.e5 (22.Nc2 e5–+) 22...Qb6 23.Qb6 ab6 24.ed6 ed6 25.a4 (25.a3 Ra5–+) 25...Ra5 26.Nc2 Bd5 (26...Rc8 27.Ne3–+) 27.Bd5 Rd5 28.Ne3 (28.Rb1 Rc5 29.Nd4 Rc4–+) 28...Rc5 (28...Rd4 29.Nc2 Rd2 30.Ne3–+) 29.Ng4 (29.Rb1 d5 30.Rb6 d4–+) 29...Ra8 (29...f5 30.Ne3–+) 30.Nf6 Kg7 31.Nd7 (31.Ne4 Rd5 32.Nc3 Rd2–+) 31...Rca5 (better 31...Rc6!? 32.Rb1 Ra4 33.Nb6–+) 32.Nb6 R8a6 (32...Rd8 33.Kf1–+) 33.Nc4 (33.Rb1 Rc5–+) 33...Ra4 (33...Rc5 34.Ne3–+) 34.Ra4 Ra4 35.Nd6 b6 36.Kg2 (36.Kf1 f5–+) 36...Kf6 37.Nb5 (37.Kf3 Ke6 38.Nb5 Ra5 39.Nd4 Kd5–+) 37...Ra8 (37...Ra5 38.Nd4–+) 38.Nc3 (38.Kf3 Ra5 39.Nd4 Ke5–+) 38...b5! 39.Nd5? (39.Nb5 Rd8 Combination) 39...Ke5 40.Ne7 (40.Nb4–+) 40...Kd6 41.Nc8 Kc7 (better 41...Rc8 42.f4–+) 42.Ne7 0–1. Kong Jian Yuan,Stephen (1700) – Siddharth,Jagadeesh (1950), 9th Penang Heritage City International, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c5 6.bc5 Qa5 7.Bg2 Qc5)

5.g3 c6

6.a3 a5 7.Nc3 d5 8.e3 (8.cd5 Nd5 9.Bg2 ab4 10.ab4 Na6+=) 8...dc4 (8...Na6 9.Be2+=) 9.Bc4 Nd5 (9...Nbd7 10.b5+=) 10.Bd5 (10.0-0 Bg4 11.Be2 Na6+=) 10...cd5+= 11.b5 Bg4 12.h3 Bf5 13.Qe2 (13.Na4 Bb2 14.Nb2 Qd6+=) 13...Qd7 (13...e5!? 14.d3 Be6-/+) 14.g4 (14.Nd4 Be4 15.Ne4 de4+=) 14...Be4 (14...Be6 15.a4+=) 15.d4 (15.0-0 f5 16.Nd4 Bd4 17.ed4 fg4 18.Qg4 Rf5+=) 15...f5+= 16.Ne4 (16.g5 Qd6+=) 16...fe4 (16...de4 17.Qc4 e6 18.Ng5+/–) 17.Ne5 (17.Nd2 Qd6+=) 17...Qe6-/+ 18.f4 ef3 19.Nf3 Nd7 20.0-0 Bh6 21.Rae1+= Rac8 22.Qd3 Qe4 23.Qe4 de4 24.Ne5 Ne5 25.de5 Rf1 26.Kf1 Kf7 27.Kf2 Ke6 28.Kg3 Rf8 29.Bd4-/+ Bg7 30.Rc1 Rf3 31.Kg2 Be5 32.Be5 Ke5 33.Rc3 Kd6 34.a4 h6 35.h4 h5 36.gh5+= gh5 37.b6 Ke6 38.Rc5= Re3 39.Rh5 Rb3 40.Ra5 Rb6 41.Kg3 Kf6 42.Kf4 Re6 43.Rf5 Kg6 44.Rg5 Kh6 45.Ke3 Ra6 46.a5 b6 ½–½. Gomez Feria,J – Nuevo Perez,A (2255), XXVI Open, Seville ESP, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6)

6.a3 d5 7.cd5 cd5 8.Bg2+=.

6.Na3 a5!? 7.b5 d5 8.bc bc 9.Bg2 Bg4! 10.0-0 Bf3 unclear.

6.Na3 a6 7.Bg2= d5 8.Rc1 dc4 (8...b5 9.cb5 ab5 10.Qb3=) 9.Nc4 Be6 10.0-0 Bd5 (10...Bc4 11.Rc4 Nbd7 12.Qc2=) 11.d3 Nbd7 12.Qd2 (12.Qc2 c5+=) 12...Qc7 13.e4 Bc4 14.Rc4 Nb6 15.Rc5 (15.Rcc1 Rfd8 16.Rfe1 Qd7+=) 15...Na4 (15...Rfd8 16.Re1+=) 16.Be5+= Qd7 17.Ra5 Nb6 18.Bf4 (better 18.Qc2+=) 18...Ne4? (better 18...Rfd8 19.Qe3 Nc8+=) 19.de4+– Qd2 20.Nd2 e5 (20...Bc3 21.Be3 Bd2 22.Bb6 Bb4 23.Ra4+–) 21.Bg5 (21.Be5 Rfd8 22.Bc7 Rd2 23.Bb6 Bd4 24.Bd4 Rd4+–) 21...f6 (21...h6 22.Be3 Rad8 23.Rc1+–) 22.Be3 Rad8 23.Rc1 Nc8 24.Nc4 (24.Bh3 h6+–) 24...Rd3 (24...Rfe8 25.h3+–) 25.Bf1 Rd7 26.Bh3 Rd3 27.Kf1 1–0. usingprogram (2000) – sosebustusko1, kurnik, 2012.

6.Na3 d5 7.cd5 cd5 8.Bg2 Qb6 (8...Qd6 9.Nc2 Bf5 10.d3 Rc8 11.0-0 a5 12.b5 a4 13.Rc1 Bg4=; 8...a6 9.0-0 Nc6 10.Nc2 Qd6 11.a3 e5 12.Rc1 Be6 13.d4 e4=) 9.Qb3 Na6 (9...Nc6!?+= 10.b5 Na5 11.Qe3 Qe3 12.de3 a6 13.b6 Nc6=) 10.Nc2= Bf5 11.d3 Rac8 (11...Ng4 12.0-0= Nf6 13.Bd4 Qd6+=; 11...Rfc8 12.0-0 Bg4 13.Rac1 Nc7=) 12.0-0 (12.Bd4 Qd6 13.0-0 Rfe8=) 12...Rfe8 (12...Ng4 A) 13.Bd4 Qd6= (13...Qc7 14.Bg7 Kg7 15.Rac1=); B) 13.Bg7 Kg7+=; 12...Bg4 13.Bd4 Qd6=) 13.Bd4+= (13.Rac1 h6=) 13...Qd6 (13...Qc7=) 14.Be5 Qd7 (14...Qb6 15.Nfd4+=) 15.Ne3 Bh3 (15...Ng4 A) worse is 16.Nf5 Be5 (worse is 16...Qf5 17.Bg7 Kg7 18.Nh4+/–) 17.Ne5 Ne5=; B) 16.Ng4 Bg4 17.Bg7 Kg7 18.Ne5+/–) 16.Bh3+/– Qh3 17.Nd5 Nd5 18.Qd5 Nb4 19.Qb3 Nc6 (19...Be5 20.Ne5 Qe6 21.Qe6 fe6 22.Rab1 Na2 23.Rb7+=) 20.Bg7+/– Kg7 21.Qb7 Qe6 22.Qb2 (22.Rfc1 Qd6+/– (22...Qe2? 23.Rc6 Rb8 24.Nd4 Qf2 25.Kf2 Rb7 26.Nb3+–)) 22...Kg8 23.Rfc1 Rb8 24.Qd2 Rec8 25.d4 Rd8 26.Qf4 Rb6 27.e3 f6 28.h4 Rb2 29.a3+/– Rd6 30.Rc5 Qb3 31.Qe4 f5+= 32.Qf4 Rf2 33.Kf2 Qb2 34.Nd2 Qa1 35.Nc4 Rf6 36.Qf3+/– f4? 37.gf4 Nd4 38.Qd5 Ne6 39.Rc8 Kg7 40.Re8 Kf7 41.Rb8 Qc1 42.Rb7 Qc2 43.Kg3 Qc1 44.Ne5 Kg8 45.Ng4 Qe1 46.Kh3 Kf8+= 47.Rb4 h5 48.Nf6+– Qe3 49.Kg2 Qe2 50.Kg3 Qe1 51.Kf3+– Qh1?? 52.Ke2 Qd5 53.Nd5 Ke8 54.Nf6! ef6 55.Ra4 a6? 56.f5 gf5 57.Ra6 (57.Ra6 Nd4 58.Ke3 Nc2 59.Kf4+–) 1–0. Kosten,A (2515) – Jerez Perez,A (2415), I Fincas Mediterranea, Castelldefels ES, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Na3)

6.a4 Qb6 7.Qb3 a5 8.b5= Na6 9.Bg2 Nc5 10.Qc2 Nce4 11.Bd4 c5 12.Bb2 d5 13.0-0 dc4= 14.Na3 (14.Ne5!? Nd6 15.Na3=) 14...c3+= 15.dc3 Bf5 16.Qc1 Qe6 17.c4 Rad8 18.Be5 Nd2 19.Nd2 Qe5 20.Re1 (20.Bb7 Qe2 21.Nb3 Ne4+=) 20...Ng4 (20...b6 21.Ra2+=) 21.Nb3 b6 22.e4 Be6-/+ 23.h3 Nh6 24.Rb1+= Rd3 25.Bf1 Rc3 26.Qd2 Qh5 27.e5= Rf3 28.Re4?? Qf5 29.Rf4 Rf4-/+ 30.gf4 Qh5 31.Qd1 Qh4 32.Qf3 Nf5 33.Nc1 Nd4–+ 34.Qg3 Qh5 35.Bg2 Qd1 36.Kh2 Bf5 37.Ra1 Bh6 38.Qe3 Rd8 39.Ra2 Ne6 40.Bf3 Qf1 41.Bg2 Qd1 42.Bf3 Qa4 43.Kg2 Bf4 44.Qc3 Qb4 45.Ne2 Rd3 46.Qb4 cb4 47.Nb1 Rd1 48.Nec3 Rc1 49.Ne4 Rb1 50.c5 bc5 51.Ra5 Be5 52.b6 Nf4 53.Kg3 Ne2 54.Kh4 Be4 55.Rc5 Bf6 (55...Bf6 56.Rg5 Rg1 57.Bg4 h6 58.f4 Nf4 59.b7 Bg5#) 0–1. Islam,AP (2200) – Hasan Md,E (2160), 7th UIUL GM, Dhaka BAN, 2005. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.a4 0-0 5.g3 c6 6.c4)

6.a4 d6 7.Bg2 Be6 8.Na3 Qb6 9.Rb1 Bf5 10.Bd4 Qc7 11.d3 e5 12.Bc3 e4 13.Nh4 d5 14.Nf5 gf5 15.de4 fe4 16.e3 Nbd7 17.0-0 a6 18.Rc1 Qd6 19.cd5 cd5 20.Nc2 Rac8 21.Nd4 Ne5 22.Nf5 Qe6 23.Bh3 Nfd7 24.Kg2 Rc3 25.Rc3 Bh8 26.Rc7 1–0. Lebel Arias – Menoni, Cannes 1995.

6.Qc2 d5 7.cd5 cd5 8.Qa4=.

6.Qc2 d6 7.Bg2 (7.Bf6 Bf5 8.e4 Bf6=) 7...Qb6 (7...e5 8.h3=) 8.Bc3 (8.a3 Re8=) 8...Ng4 (8...e5 9.h3=) 9.d4 (9.c5 Qb5 10.Bg7 Kg7 11.Qc3 Nf6+=) 9...d5 10.c5 White wins space (10.Nbd2 Qd8=) 10...Qc7 (10...Qb5 11.a4 Qa6 12.Qb2+=) 11.h3 Bf5 12.Qb2 Nf6 13.Nbd2 (13.Bd2 Be4=) 13...Be4 (13...Ne4 14.Nf1=) 14.0-0 (14.b5 cb5 15.Qb5 Nc6=) 14...Nbd7 (14...Bf3 15.Nf3 Nh5 16.e3=) 15.Ne5 (15.Ne1 Bg2 16.Kg2 Nh5+=) 15...Bg2 16.Kg2 Ne4 17.Ne4 de4 18.f4 (18.Rad1 Rad8+=) 18...ef3 19.Rf3 (19.ef3 Rad8+=) 19...Ne5 (19...Be5 20.de5 Rad8 21.Raf1=) 20.de5 e6 21.Rd1 Rfd8 22.Rd6 Bf8 23.Rfd3 b6 (23...Rac8!?+=) 24.Qd2= Rd6? (24...Bd6 25.ed6 Qb7+=) 25.ed6+/– (25.cd6?! Qd7+=) 25...Qd7 26.Qe3 (26.Qf4 Bg7+=) 26...f5 (26...Bg7!?+=) 27.cb6+/– ab6 28.Qb6 Ra2 29.Qd4 Re2 30.Kf3 Re4?? 31.Qh8+– Kf7 32.Qh7 Ke8 33.Qg6 Kd8 34.Bf6 Kc8 35.Qg8 Rb4 36.Qf8 Kb7 37.Qe7 Kc8 38.Qd7 Kd7 39.h4 c5 40.Be5 Re4 41.Re3 Ra4 42.h5 Ra7 43.h6 Ke8 44.Rc3 1–0. Kivipelto,Kaj Erik (2235) – Hartio,Ilkka (2110), Heart of Finland op, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6)

6.d4 a5 7.b5 d5 8.Nbd2 a4 9.bc6 Nc6 10.cd5 Nd5 11.Rc1 a3 12.Ba1 f5 13.e3 e6 14.h4 h6 15.h5 g5 16.Bb5 g4 17.Bc6 gf3 18.Bb5 Nf6 19.Bc3 Ne4 20.Bb4 Rf7 21.Nf3 Qb6 22.Qd3 Bd7 23.Bd7 Qb4 24.Kf1 Rd7 25.Qc4 Qc4 26.Rc4 b5 27.Rc6 Kf7 28.Kg2 Rb7 29.Rhc1 b4 30.Rc7 Rc7 31.Rc7 Kg8 32.Rb7 Bf8 33.g4 fg4 34.Ne5 Nc3 35.Ng4 Bg7 36.Rb4 Na2 37.Rc4 Nb4 0–1. mtrold1 – mantoon, internet live, 2001.

6.Bf6 ef6 7.e3 d5=.

6.Bg2 Qc7 7.0-0 d6 (7...d5 8.cd5 cd5 9.Qb3=) 8.Nc3 Nbd7 9.Qc2 b6 (9...e5 10.b5=) 10.d4 Rb8 (10...d5 11.Qb3 Qd6 12.Ne5 dc4 13.Nc4+=) 11.h3 (11.e4 a6+=) 11...Bb7 (11...a6 12.Rfc1+=) 12.Rfe1 (12.e4 a6+=) 12...Rfe8 (12...a6 13.e4=) 13.Rad1 (13.a3 a6=) 13...Nf8 (13...a6 14.a4=) 14.e4+= Ba8 (14...a5 15.a3+=) 15.b5 (15.Qe2 e5+=) 15...c5 (15...Rbc8 16.Qe2+=) 16.e5+/– de5 (16...N6d7 17.Nd5 Bd5 18.cd5+/–) 17.de5 N6d7 18.Nd5 Qc8 19.Ng5 (19.Re2 e6 20.Nf6 Nf6 21.ef6 Bh6+/–) 19...e6+= 20.Nf6 Nf6 (20...Bf6 21.ef6 Bg2 22.Kg2+=) 21.ef6+/– Bf6?? (better is 21...Bh8+/–) 22.Bf6+– Nd7 23.Bb2 Bg2 24.Kg2 Qb7 25.Ne4 f5 26.Rd7! Qd7 27.Nf6 A double attack (27.Nf6 Kf8 28.Nd7 Ke7 29.Nb8+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

6.Bg2 e6 7.0-0 d5 8.Na3 Nbd7 9.d3 a5 10.b5 cb5 (10...Re8 11.bc6 bc6 12.Qa4=) 11.Nb5+= dc4 12.dc4 1–0. marre – opponent, internet, 2010.

6.Na3 Qb6

7.Qb3 Na6 8.Rb1 d6 9.Bg2 Bf5 10.Bd4 Qc7 11.d3 e5 12.Be3 Qd7 13.b5 cb5 14.Qb5 Qb5 15.Nb5 e4 16.Nd2 Ng4 17.Nd6 Ne3 18.fe3 b6 19.Nf5 gf5 20.Rf1 Rad8 21.d4 Bh6 22.Rb3 f4 23.ef4 Rd4 24.Be4 Nc5 25.Bd5 Re8 26.Rff3 Rd8 27.Rb5 Bg7 28.Nb3 Nb3 29.Rbb3 1–0. Nicholson – Romito, corr 1986.

7.Qb3 Ne4 8.d4 a5 9.b5 a4 10.Qe3 d5 11.Bg2 Qa5 12.Kf1 Nd7 13.Rd1 Qb4 14.Ba1 Ndf6 15.Ne5 cb5 16.Nb5 e6 17.Nc3 Nc3 18.Bc3 Qb6 19.Qd3 Qc7 20.Rc1 b6 21.cd5 Nd5 22.Bd2 Qd8 23.Bf3 Ba6 24.Qa3 b5 25.Kg2 Re8 26.Rhd1 Bf8 27.Qb2 Qd6 28.e4 Nf6 29.Bg5 Nh5 30.Rc6 Qa3 31.Qe2 Ng7 32.Ng4 Nh5 33.Ne5 Ng7 34.Rc7 b4 35.Qd2 Bd6 36.Rd7 Be5 37.de5 b3 38.ab3 Qb3 39.Qf4 Rf8 40.Be7 Rfe8 41.Bd6 Rf8 42.Bf8 Rf8 43.Rd8 a3 44.Rf8 Kf8 45.Rd7 1–0. Gofshtein – Har Zvi, Zagreb 1993.

7.Nc2 d6 8.Rb1 (8.Bg2 a5 9.a3 e5=) 8...e5 9.Bg2 e4 10.Nfd4 a5 11.a3 ab4 12.ab4 (12.Nb4? c5–+) 12...Nbd7 13.0-0 Re8 14.Bc3 Ne5 15.Ne3 h5 (15...d5 16.c5 Qc7 17.Qc2=) 16.Ra1 Ra1 17.Qa1 h4 18.b5 hg3 19.hg3 Neg4 20.Ndc2 Qc5?? (better is 20...Ne5=) 21.Ng4+– Ng4 22.Bg7 Qh5 23.Rb1 Qh2 24.Kf1 Ne5 25.g4 (25.Be4?? Bh3 26.Ke1 Qg1) 25...Nf3 (better is 25...Kg7 26.Ne3 Kh7=) 26.ef3–+ ef3 27.Bf3 Bg4! (27...Bg4 28.Be5 Re5 29.Qe5 de5 30.Bg4 Qh1 31.Ke2 Qb1–+) 0–1. David,Alberto (2575) – Vachier Lagrave,Maxime (2755), Condino ITA, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Na3 Qb6)

6.Na3 d6

7.Bg2 Qb6 8.Qb3 a5 9.b5 a4 10.Qc2 Qc5 11.0-0 Qh5 12.bc6 bc6 13.d3 Bh3 14.Rab1 Nbd7 15.Bf6 Bf6 16.Bh3 Qh3 17.Rb4 Ra5 18.Rd1 Rh5 19.e3 Ne5 20.Ne5 Qh2 (worse is 20...Be5 21.f4 Bf6 22.Ra4+=) 21.Kf1 Be5 22.d4 Bg3! 23.fg3 (23.Ra4 Bf2! 24.Qf2 Rf5–+) 23...Rf5 24.Ke1 Qg3 (24...Qg3 25.Kd2 Rf2 26.Kd3 Rc2 27.Nc2 Ra8–+) 0–1. Peyrat,Olivier (2250) – Marzolo,Cyril (2440), Paris–ch, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6)

7.Bg2 d5 8.0-0=.

7.Bg2 e5 8.0-0 Nbd7 (8...Re8 9.d3=) 9.Rb1 (9.d3 Qb6 10.Qd2 a5=) 9...Qe7 (9...e4 10.Nd4=) 10.b5 (10.d3 a6=) 10...c5 11.d3 Nh5 (11...Re8 12.Qd2=) 12.e4 f5 (12...Nb6!?=) 13.ef5+/– gf5 (13...Nb6 14.fg6 hg6+/–) 14.Re1 (14.Ne5!? Ne5 15.Qh5 Nd3 16.Bg7 Kg7 17.Rbd1+/–) 14...Ndf6= 15.d4 cd4 (15...e4 16.Nd2=) 16.Nd4+= Qf7 (16...ed4 A pinning theme 17.Re7) 17.Nf3 (17.Nb3 Be6 18.Qd6 Rfd8+/–) 17...Ne4 (17...e4!? 18.Ng5 Qc7=) 18.c5 (18.Nh4 Be6+=) 18...Nc5 (18...dc5 19.Ne5 Be5 20.Be5+=) 19.Qd6+/– White gets in control. 19...Ne4 20.Qb4 a5 (20...Qa2 21.Nc4 Be6 22.Nfe5+=) 21.ba6 Ra6 (21...ba6 22.Ne5 Qa2 23.Nac4 Be5 24.Ne5+– (24.Be5?! Qf2 25.Kh1 Be6+=)) 22.Ne5 (22.Bf1 Ra8 23.Nc4 Re8+–) 22...Be5+/– 23.Be5 Qa2 24.Bb2 Qf7 25.Bf1 (25.Nc4 Nhf6+/–) 25...Rg6 26.Qd4 Ng7 27.Nc4 Qf6 (27...Rh6!?+–) 28.Qf6 Nf6 29.Ne5 +/–. Doda – Pytel,Krzysztof, Lublin, 1972. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Na3)

6.Qb3 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 d5 10.d3 Na6 11.c5 b6 12.d4 Ne4 13.Bb2 Bf5 14.Nbd2 bc5 15.dc5 Bb2 16.Qb2 Qb8 17.Bg2 (17.Nd4 Nb4 18.N2b3 Na6–+) 17...Qb4 (17...Nec5!? 18.0-0 Qb4 19.Qe5–+) 18.Qb4-/+ Nb4 19.Ne4 Be4 20.–0 Bf3 21.Bf3 e5 22.Ra1 e4 23.Bg2 Rb8 24.Rb1 Kf8 25.e3 Na6 26.Rb8? (better is 26.Rb6 Rb6 27.cb6-/+) 26...Nb8–+ 27.f3 f5 28.fe4 fe4 29.Bh3 Ke7 30.Bc8 Kd8 31.Be6 Na6 32.g4 g5 0–1. Hillgaertner,Walter (2055) – Garbe,Ralf (2165), Hessen–chB Marburg, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6)

7.b5 d5 8.bc6 bc6 9.Bg2 Nbd7 10.0-0 Rb8 11.Qc2 Qb6 12.Ba3 Ba6 13.Nc3 Rfe8 14.Rab1 Qa7 ½–½. Goettmann,Holger (1890) – Steinkohl,Thomas (2300), Rheinhessen–ch M1, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0)

6.Qb3 d5

7.d3 a5 8.a3 dc4 9.dc4 a4 10.Qe3+=.

7.d3 a5 8.a3 dc4 9.dc4 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Nfd2 Be6 13.Bc3 b5 14.Bg2 bc4 15.Nc4 Nd5 16.Bg7 Kg7 17.b5 Nc5 18.Qb2 Nf6 19.Nba3 cb5 20.Qb5 Nd3 (better is 20...Bd5 21.0-0 Bg2 22.Kg2 Qd5 23.f3 Qh5=) 21.Kf1?? (21.ed3 Qd3 22.g4 Bg4 23.f3 Bf3 24.Bf3 Qf3 25.Rf1 Qe4 26.Kf2 Ng4 27.Kg3+=) 21...Ne5 22.Ne3 Qd6 23.Qb2?? (better is 23.Qa4-/+) 23...Rb8–+ 24.Qa1 (24.Nb5 Qc5 25.f4 Nc4 (25...Qb5?! 26.Qe5 Qe5 27.fe5-/+; 25...Qe3?! 26.Qe5 Qe5 27.fe5–+) 26.Nc4 Rb5–+ (26...Qb5?! 27.Qb5 Rb5 28.Ne3=; worse is 26...Qc4 27.Qd4 Rb5 28.Qc4 Bc4 29.Bf3–+; worse is 26...Bc4 27.Qe5 Qb5 28.Qb5 Rb5 29.Bf3–+)) 24…Qa3!! (24...Qa3 25.Qe1 Rc8–+) 0–1. Stefanova,A (2545) – Zhu Chen (2495), 6th Women GP, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Qb3)

7.d3 a5 8.a3 Be6 9.Nbd2 dc4 (9...ab4 10.ab4 Na6 11.b5 cb5 12.Qb5=) 10.dc4 b5 (10...ab4 11.ab4 Ra1 12.Ba1+=) 11.Rd1= Qc8 (11...ab4 12.ab4 Qb6 13.Bd4 bc4 14.Nc4-/+) 12.Bg2 (12.ba5 Ra5 13.Qb4 Ra4 14.Qe7 Re8+=) 12...bc4 (12...ab4 13.Qb4 Re8 14.Bf6= (14.cb5? Nd5 15.Qh4 Bb2–+)) 13.Nc4 Qa6 14.Nfe5 Ne8 15.Rc1 Qb5 (15...Nd6 16.Nc6 Nc6 17.Bg7–+) 16.Nd3 Bb2 17.Qb2 (17.a4 Bc4 18.Rc4+= (18.ab5? Bb3 19.Nb2 ab4–+)) 17...Bc4+= 18.a4 Qa4 19.Rc4 Nd6 20.Rc1 ab4 21.0-0 (21.Qb4 Rc8+=) 21...Qb5 22.Qb4 Ra4 (22...Ra2 23.Rfe1+=) 23.Qc5 Ra5 24.Qc3 Rc8 25.Rb1= Qa6 26.Nc5 Qa7 27.Rfc1 Rb5 28.Ra1 Qb6 29.e4 Nb7+= 30.Na4 Qc7 31.Qe3 Nd7 32.f4 e5 33.Bh3 Re8 34.f5 Kg7 35.fg6 hg6 36.Qd3 Ndc5-/+ 37.Nc5 Nc5–+ 38.Qe3 Qb6 39.Bf1 Nb3 40.Qb6 Rb6 41.Rab1 Reb8 42.Rc3 Nd4 43.Rbc1 Rb2 44.Bc4 Rd2 45.Rd3?! Ne2 (45...Ne2 46.Kf1 Rd3 (46...Nc1?! 47.Rd2 Rb4 48.Rc2-/+) 47.Ke2 Rd4–+) 0–1. Gentes,K (2300) – Zilberstein,Dm (2380), 1st IM, Edmonton CAN, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Qb3)

7.d3 a5 8.Nbd2+=.

7.d3 Nbd7 8.Bg2 a5 9.a3 ab4 (9...dc4!? 10.dc4 Qb6+=) 10.ab4= Ra1 11.Ba1 Qb6 (11...dc4 12.dc4 Qb6 13.0-0=) 12.0-0 e6 (12...Nc5 13.Qa3 Ne6 14.Nbd2=) 13.Nbd2+= c5 (13...Qc7!?+=) 14.bc5+/– Qb3 15.Nb3 dc4 16.dc4 Ne4 17.Bg7 Kg7 18.c6! bc6 19.Nfd4 c5 (19...Ndc5 20.Nc5 (20.Nc6 Nb3 21.Be4 Nd2-/+) 20...Nc5 21.Nc6+/–) 20.Be4 (20.Ne6!? fe6 21.Be4+/–) 20...cd4 21.Nd4 Ba6 22.Bc6 Nc5 23.Bb5 Bb7 24.f3 Rd8 25.Nc6 Rd2 26.Kf2 Rc2 (26...Bc6 27.Bc6 Rc2 28.Bb5+/–) 27.Na5 (27.Nd8 Rd2 28.Nb7 Nb7+/–) 27...Ba8 28.Rb1 (28.Rd1 Ra2 29.Nc6 Bc6 30.Bc6 Kf6+/–) 28...Rc3 (28...Nd3! 29.Ke3 Nc1=) 29.Ra1 Kf6 30.Nb3 Nb3 (30...Rb3 31.Ra8 Discovered attack; 30...Nb3 31.Ra8 Discovered attack) 31.Ra8 Nd4 32.Rd8 Nb5 33.cb5 Rb3 34.Rb8 Ke5 35.h4 h6 36.b6 Kf5 37.Ke1 Rb2 38.Rb7 f6 (38...Kf6 39.Kd1+/–) 39.Kd1 (39.Rg7 Rb6 40.g4 Ke5 41.Rg6 h5 42.gh5 Rb4+–) 39...g5 40.h5 Ke5 41.Kc1 Rb5 42.Kc2 Kd6 (42...Rb4 43.Kc3 Rb1 44.Rb8+/–) 43.Kc3 (43.Rf7 f5 (43...Rb6? 44.Rf6 Rb5 45.Rh6+–) 44.b7 Rb4+–) 43...e5? (better is 43...Ke5!?+/–) 44.Kc4 Rb1 45.Rb8 Rb2 46.e4 Rb1 47.b7 Kc6? (47...Rc1 48.Kd3 Rb1+–) 48.Rf8 (48.Rf8 Rc1 49.Kd3 Kb7 50.Rf6+–) 1–0. Strebkovs,Andrejs (2355) – Kostka,Vit (1865), Orlova CZE, Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Qb3 d5)

7.d3 Bg4 8.Nbd2 Re8 9.Bg2 Nbd7 10.0-0 e5 11.cd5 cd5 12.e4 de4 13.de4 Bh6 14.Nc4 Can e5 get defended? 14...Be6 15.Qd3 (15.Be5? Rc8 (15...Ne4?! 16.Rfe1-/+) 16.Bf6 Qf6–+) 15...Bc4 16.Qc4 Nb6 17.Qe2 Nfd7 18.Rfd1 Qe7 19.Bh3 f6 (19...Rad8 20.a3+=) 20.a4+/– Nf8 21.a5 Nc8 22.b5 Rd8 23.Ba3 Rd1 24.Qd1 Qf7 25.Qd3 a6 (25...Kh8!?+/–) 26.ba6 ba6 27.Bc8 (27.Qd8 f5 28.ef5 Qb7 29.Ne5 Na7+–) 27...Rc8 28.Qa6 Rc3 29.Kg2 Qc7? (better is 29...Rc2 30.Qd3 Rc7+–) 30.Bf8 Bf8 31.Qf6 Bg7 (31...Qc8 32.Ne5 Qe8 33.Rd1+–) 32.Qe6 Kh8 (32...Qf7 33.Qf7 Kf7+–) 33.Qe8 (33.Qe8 Bf8 34.Qf8#) 1–0. Pollmueller,Michael – Just,Stefan, Oberliga NRW, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Qb3)

7.cd5 Qd5 8.Qd5 Nd5 9.Bg7 Kg7 10.a3 a5 11.ba5 Ra5 12.d3 Na6 13.Nbd2 Nc5 14.d4 Na4 15.e3 f6 (15...Nac3 16.Nc4 Ra4 17.Nb2=) 16.Bc4 Be6 17.0-0 Rfa8 18.Rfc1 Nab6 19.Rab1 Nc4 20.Nc4 Rb5 21.Nfd2 Rb1 22.Nb1 (worse is 22.Rb1 b5 23.Nb2 Ra3–+) 22...Nc7 23.Nb2 Bf5 24.a4 Bb1 25.Rb1 Nd5 26.Nd3 Ra7 27.Nc5 b6 28.Ne6 Kh6 29.Nf4 (29.Rc1!?+=) 29...Ra4 30.Nd5 cd5 31.Rb6 Ra7 32.Rb8 Rd7 33.Rg8 Kg5 34.Kg2 h5 35.Rg7 Kh6 36.Rf7 g5 37.h4 Kg6 38.Rf8 g4 39.Rh8 e6 40.Kf1 Ra7 41.Re8 ½–½. Trassl,Franz (2165) – Pohl Kuemmel,Jens Uwe (2180), Oberliga Bayern, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qb3 c6 6.g3 d5)

6.Qb3 d6

7.Bg2 Nbd7 8.Nc3 Qc7 9.h4 h6 10.a3 Nb6 11.c5 Nbd7 12.cd6 ed6 13.Rc1 Nb6 14.Nb5 Qe7 15.Nbd4 Re8 16.e3 c5 17.bc5 dc5 18.Ne2 Be6 19.Qb5 c4 20.Ne5 Rac8 21.Qa5 Nfd7 22.Nd7 Bb2 23.Rc2 Nd7 24.Rb2 Nc5 25.Nf4 Qf6 26.Rb5 Nd3 27.Nd3 b6 28.Qa7 Qa1 29.Nc1 Qc1 30.Ke2 Qc2 31.Rb6 Qd3 32.Ke1 c3 33.dc3 Qc3 34.Ke2 Qc2 35.Ke1 Qc1 36.Ke2 Bg4 37.f3 Qe3 38.Kf1 Rc1 0–1. Comet B25 – Fritz 8, 2003.

7.Bg2 e5 8.d3 h6 9.0-0 Be6 10.a4 Qc8 11.Rd1 a5 12.Nc3 ab4 13.Qb4 Rd8 14.Ba3 Na6 15.Qb3 Rb8 16.Rab1 Qc7 17.d4 Nd7 (17...e4 18.Nd2 d5 19.e3=) 18.e3 (18.Ne4 c5 19.de5 de5=) 18...Bg4 19.Rd2 ed4 20.ed4 Nf6 21.h3 Bf5 22.Re1 Re8 23.Rde2 g5 24.Bc1 Re2 25.Re2 Qd7 26.h4 g4 27.Nh2 Nc7 28.a5 Ne6 29.Be3 Qd8 30.Ra2 Nd7 31.Qd1 Qf6 (31...h5!?+=) 32.Ng4+/– Qg6 33.Nh2 Nf6 34.Rb2 Ra8 35.Rb7 Ra5 36.Bc6 Bc2 37.Qe1 Kh7 38.Bg2 Ra3 39.Rb6 Bd3 40.Rd6 Bf8 (40...Bc4 41.Rc6 Bd3 42.Nf3+–) 41.Rb6 (41.Rc6 Bb4 42.Bd2 Rb3+–) 41...Bc4 42.d5 Ng7?? (42...Rc3 43.Qc3 Nd5 44.Bd5 Bd5+–) 43.Be4! Nf5 44.g4! Rc3 45.Bf5 (45.Bf5 Qf5 46.gf5 Nd5 47.Rb7+–) 1–0. Fazekas,Stefan – Menchik,Vera, Podebrady, 1936. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qb3 c6 6.g3)

6.Nc3 d5

7.Qb3 Bf5 8.cd5 cd5 9.Nd4 Bc8 10.f4 Nc6 11.Nc6 bc6 12.Bg2 a5 13.b5 Rb8 14.a4 Be6 15.Nd1 d4 16.Qd3 Nd5 17.bc6-/+ Nb4 18.Qb1 d3 19.c7? Qc7–+ 20.Qc1 Nc2 21.Kf1 de2 22.Ke2 Bg4 (23.Bf3 Qc4 24.Kf2 Bb2–+) 0–1. Comet B25 – Fritz 8, 2004.

7.cd5 Nd5 8.Qb3 Nb6 9.d3 Be6 10.Qc2 a5 11.b5 a4 12.Ne4 Bb2 13.Qb2 a3 14.Qb1 Qd5 15.bc6 Qa5 16.Ned2 Nc6 17.Bg2 Na4 18.0-0 (18.Kf1!?-/+) 18...Nc3 19.Qb7 Ra7 20.Qc6 Rc7 21.Qe6 (21.Qc7!? Ne2 22.Kh1 Qc7 23.Rfe1-/+) 21...fe6–+ 22.e3 Ne2 23.Kh1 Rc2 24.Nc4 (24.Nb3 Qh5 25.Nfd2 Nc3–+) 24...Qc3 25.Nfe5? (25.Rad1–+) 25…Rf2!! (25...Rf2 26.Rab1 Nc1 27.Rb8 Kg7–+) 0–1. Islam,Kh (2315) – Bitan,B (2305), 9th UILUL GM, Dhaka BAN, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6)

6.d3 a5

7.ba5 Qa5 8.Bc3 Qa4 9.Qd2 d6 10.Bg2 e5 11.Qb2 Nbd7 12.Nbd2 Qa6 13.a4 Qb6 14.Qb6 Nb6 15.a5 Nbd7 16.Nb3 Re8 17.Nfd2 d5 18.0-0 Bf8 19.e3 Bd6 20.d4 e4 21.Rfb1 h5 22.Bh3 Ng4 23.cd5 cd5 24.Bf1 h4 25.Bb5 hg3 26.hg3 Re7 27.Rc1 Kg7 28.Bb2 Ndf6 29.Kg2 Bf5 30.Nc5 Nh7 31.Bc3 Ng5 32.Be2 Nf6 33.Rh1 Rh8 34.Rab1 Bc8 35.Rh8 Kh8 36.Kf1 Kg7 37.Ke1 Kf8 38.Rb2 Rc7 39.Ndb3 Ke7 40.Bb4 Nd7 41.Bb5 Nb8 42.Bc3 Nc6 43.Kd2 Nd8 44.Na4 Bd7 ½–½. Misovic,Jan – Neuman,Petr (2215), Ceske Budejovice op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 c6 6.g3 a5)

7.ba5 Qa5 8.Qd2 Qb6 9.Nc3 Ng4 (9...d5 10.cd5 Nd5 11.Nd1+=) 10.e3= d6 11.Bg2 Nd7 12.0-0 Nde5 13.Nd4?? (better is 13.Ne5 Ne5 14.Rfb1=) 13...Nd3!–+ 14.Qd3 Qb2 15.Rab1 Ne5 16.Rb2 Nd3 17.Rc2 Ne5 18.Nce2 Ra4 19.Rfc1 c5 (19...Rd8 20.Nf4–+) 20.Nb5 (20.Nc3!? Ra5 21.Nb3-/+) 20...Bf5–+ 21.e4 Be6 22.f4 (22.Nec3 Rc4 23.f4 Nd3–+) 22...Nd3 (22...Nd3 23.Nec3 Ra5–+; 22...Bc4?! 23.Nbc3 Ra7 24.fe5 Be5 25.a4-/+) 0–1. Van Schoor,Karel – Willaert,Robert, Belgian championship, 1970. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 a5)

7.b5 a4 8.Na3= d5 9.Bg2 dc4 10.dc4 (worse is 10.Nc4 cb5 11.Ne3 Qa5 12.Qd2 Nc6-/+) 10...Qb6 11.0-0 Nbd7 (11...Bf5 12.Qd4 Qc7 13.Qh4=) 12.Qc1 (12.Rb1 Nc5 13.bc6 Qc6+=) 12...Re8 (12...Ne4 13.Bg7 Kg7 14.Qc2=) 13.Bd4 (13.Rb1 Nc5+=) 13...c5 14.Bc3 Ne4 15.Bg7 Kg7 16.Nh4 (16.Rd1 Kg8+=) 16...Nd6= 17.Qc3 Nf6 18.f4 (18.Rfd1 Kg8=) 18...Qa5 19.Qc2 Bf5 20.Nf5 Nf5 21.Qc1 (21.Bb7 Rab8 22.Bc6 Nd4-/+) 21...e5 (better is 21...Rab8!?-/+) 22.Bb7= Rad8 (better is 22...Nd4 23.Rf2 Ra7+=) 23.Rb1 (better is 23.e4 Nd4 24.Kg2=) 23...ef4-/+ 24.Qf4 Re2 25.b6 Ra2 26.Nb5 Qb6 (better is 26...Qd2!? 27.Qd2 Rad2-/+) 27.Nc3= Rb2 28.Na4 Qb7 29.Rb2 Qc6 (29...Qe7 30.Qf3=) 30.Nc3 Rd4 31.Qc1 h6 32.Nb5 Re4 33.Rbf2 Qe6 Exerts pressure on the isolated pawn 34.Rf4 Re2 35.Nc3 Re5 36.Qb2 h5 37.Qb7 Kh7 38.Qb1 h4 39.g4 (better is 39.gh4!? Ne3 40.R1f3= (40.Rf6?? Qg4 41.Kf2 Qg2 42.Ke1 Nc4 43.Ne4 Qd2)) 39...Ne3-/+ 40.Nd5 (40.Rf6?? Qg4 41.Kf2 Qg2 42.Ke1 Nc4 43.Ne4 Qd2) 40...Nfd5 (worse is 40...Ned5 41.cd5 Nd5 42.Rf7 Kh6 43.h3+=) 41.cd5 Qd5 42.Rf7 (42.R1f2!? Re7 43.Qc1-/+) 42...Kh6-/+ 43.R1f3 Ng4 44.Rf8?? (44.Qb2 c4 45.Qc3 Qc5 46.Kg2 Re2 47.Kf1 Rh2 48.Qh8 Kg5 49.Qd8 Kh5 50.Rh7 Nh6 51.Rh6 Kh6 52.Qh8 Kg5 53.Qf6 Kh5 54.Rf4–+) 44...Qd2–+ 45.Rh8 (45.Rh3 Re1 46.Qe1 Qe1 47.Rf1–+) 45...Kg5 (45...Kg5 46.Qg6 Kg6 47.Rg8 Kh6 48.Rh8 Kg7 49.Rf7 Kh8 50.Rf8 Kg7 51.Rg8 Kg8 52.h3 Re1) 0–1. Hrabusa,Matej (2295) – Shkuran,Danylo (2440), Open Letni Praha – A, 2016. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 a5)

7.b5 cb5 8.cb5 a4 9.Na3 d5 10.Bg2 Bg4 11.0-0 Qd6 12.Rb1 Rc8 13.Qd2 Nbd7 14.h3 Bf3 15.Bf3 e5 16.Rfd1 Qe6 17.Bg2 Bf8 18.Rdc1 Rcb8 19.Qc3 Bd6 20.e4 (20.e3 Qe7 21.Nc2 Rc8=) 20...de4 (better is 20...d4!? 21.Qc2 Nb6+=) 21.de4= Nb6 22.Qe3 Nfd7 23.Ra1 Rc8 24.Bf1 Rc1 25.Qc1 Bc5 26.Nc4 (26.Qg5!?+=) 26...Bf2! 27.Kf2 Rc8 28.Qc3 Nc4 29.Rc1 Nd6 30.Qb4 Rc1 31.Bc1 Nc5! 32.Kg1 Nce4 33.Bg2 Ng3 34.Ba3 Ngf5 35.Bb7 e4 36.b6? e3 37.Be4 Qa2 38.Bf5 Qf2 39.Kh1 e2 0–1. Glicenstein,Asher (2300) – Apicella,Manuel (2550), Paris–ch, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 a5)

7.b5 d5 8.Nbd2+=.

7.b5 d5 8.cd5 Qd5 9.Nc3 Qh5 10.bc6 Nc6 11.h4 Be6 12.Ng5 Bd7 13.Bg2 h6 14.Qd2 Qg4 (14...a4+=) 15.Rb1 (15.Nge4 Qe6+=) 15...Bf5 (15...hg5 16.hg5 Nh5 17.Rh4+=) 16.Ba1 (16.Nge4 Bc8 17.Nf6 ef6 18.Nd5+–) 16...hg5+= 17.Bf3 (17.Rb7!? Rfc8 18.hg5+/–) 17...Qd4-/+ 18.hg5 Nh7 19.e4 (better is 19.Rb7 Ne5 20.Bd5-/+) 19...Nb4?? (19...Ne5 20.Be2 Ng5 21.Qc2-/+) 20.Be2?? (20.ef5 Ng5 21.Bb7= (21.Qg5? Qd3 22.Rb4 ab4–+)) 20...Rad8?? 21.Nd5+/– Qc5 22.Bg7 Kg7 23.Nb4 Be4+= 24.Qb2 f6? 25.de4+– ab4 26.Qb4 Qe5 27.f4+– Qe6 28.Bg4! f5 29.Bf3 Rd3 30.Bg2 Rfd8 31.0-0 Rg3 32.ef5 Qe3 33.Kh2?? Rg2! 34.Kg2 Rd2 35.Qd2 Qd2 36.Rf2 Qd5 37.Kg1 gf5 38.Rfb2 Qd4 39.Kg2 Nf8 40.Rb7 Ng6 41.R1b3 Nf4 (41...Nf4 42.Kf3 Nd3–+) 0–1. Lengerer,Peter – Heim,Bernhard (2215), FRG Hochschul–ch, 1987. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3)

6.d3 Qb6

7.a3 a5 8.c5 Qc7 9.Bg2 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Bf6 Bf6 13.Qa4 d6 14.d4 b5 15.Qa3 dc5 16.bc5 Rd8 17.e3 e5 18.de5 Be7 19.0-0 Nc5 20.Nd4 Bb7 (worse is 20...Qe5 21.Nc6 Qc7 22.Rc1+–) 21.Qc3 Qb6 (worse is 21...Qe5 22.Nc6 Qc3 23.Nc3 Bc6 24.Bc6+=) 22.Nd2 b4 23.Nc4 (23.Qc2!?=) 23...bc3+= 24.Nb6 Nd3 25.Na4 (25.Bc6 Rd4 26.Bb7 Rd8-/+) 25...Rd4! (25...Ne5?! 26.Nc3 Bb4 27.Na2=) 26.ed4 c2 27.Nc3 c1Q 28.Rc1 Nc1 29.d5 cd5 30.Bd5 Bd5 31.Nd5 Bc5 32.Kg2 Nd3 33.Nf6 Kg7 34.Ne4 Be7 35.f4 Nc5 36.Nd2 Kf8 37.h4 h5 38.Kf3 Ke8 39.Nc4 Kd7 40.Ne3 Ke6 41.Ke2 Ne4 42.Kf3 Nc3 43.Kg2 Nd5 44.Nc4 Kf5 45.Kf3 Nc7 46.Ne3 Ke6 47.Ke4 Bc5 48.f5 Ke7 49.Ng2 Bf2 50.Kf3-/+ Bd4 51.Ke4 Bc3 52.Nf4+= Bd2 53.fg6+= Bf4? 54.g7+– f5 55.ef6 Kf7 56.Kf4 Ne8 57.Kg5 Nf6 58.g8Q Ng8 59.Kh5 Kf6 60.g4 Kg7 61.g5 Nf6 62.gf6 Kf6 63.Kh6 Kf7 64.Kh7 Kf8 ½–½. Pimentel (2120) – Soares, Brasilia Taca BCX op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6)

7.Qb3 a5 8.Bd4 Qc7 9.a3 ab4 10.ab4 Ra1 11.Ba1 d5 12.Nbd2 dc4 13.Nc4 Nbd7 14.Bg2 c5 15.0-0 cb4 16.Qb4 Nc5 17.Rc1 Na6 18.Qd2 Qd8 19.Qa5 Qd5 20.Qd5 Nd5 21.Bg7 Kg7 22.Nd4 e6 23.Bd5 ed5 24.Nb6 Be6 25.f4 Kf6 26.Kf2 h6 27.Nf3 g5 28.Ne5 Rg8 29.d4 gf4 30.gf4 Nb4 31.Rc7 Na2 32.Rb7 Nc3 33.Nbd7 Kf5 34.Nc5 Ne4 35.Ne4 Ke4 36.e3 Bh3 37.Nf7 Rg2 38.Ke1 Ke3 39.Nh6 Rg1 0–1. gentelmenjoe (1940) – jiddy (1920), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d3)

6.d3 d5

7.Nbd2 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1+=.

7.Nbd2 a5 8.a3 dc4 9.Nc4 ab4 10.ab4 Na6 11.Nd4 Ng4 12.e3 Qd5 13.f3 Ne3 14.Ne3 Qd6 15.Nec2 Bd7 16.Bc3 c5 17.Ne2 Bc3 18.Nc3 Qe5 19.Ne2 Nb4 20.Kf2 Nc2 21.Ra8 Qe3 22.Kg2 Ra8 23.Qc2 Bc6 24.Ng1 Bd5 25.Qf2 Ra2 26.Be2 Qe6 27.h4 h5 28.Rh2 b5 29.Kh1 Rc2 30.Nh3 Re2 31.Qe2 Qe2 32.Re2 Bf3 33.Rg2 b4 34.Ng1 Bg2 35.Kg2 b3 36.Ne2 b2 37.Nc3 f5 38.Kf3 e5 39.Ke3 Kg7 40.Kd2 g5 41.Kc2 f4 42.Ne4 ½–½. Seleznev – Nezhmetdinov, 1960.

7.Nbd2 a5 8.a3 Be6 9.cd5 (9.Bg2 Na6=) 9...Nd5 (9...Bd5 10.e4 Be6 11.d4=) 10.Bg7= Kg7 11.Ng5 (11.ba5 Qa5 12.Bg2 Rd8=) 11...Bc8+= 12.Bg2 f6 13.Bd5 cd5 14.Ngf3 Bh3 15.Rg1 (15.d4 Qb6 16.Qa4 Nc6 17.ba5 Ra5-/+) 15...Bg4 16.Kf1 (16.Qa4 Qc7 17.Nd4 Rc8+=) 16...Bh3 17.Ke1 h5 (17...ab4 18.ab4 Ra1 19.Qa1+=) 18.Nb3 (18.b5 a4=) 18...ab4+= 19.ab4 Nc6 20.b5 (20.Ra8 Qa8 21.b5 Nb4-/+) 20...Nb4 (20...Na7 21.Qd2+=) 21.Ra8 Qa8 22.Nfd4 (22.Qb1 Qa4-/+) 22...Rc8 (22...e5 23.g4 ed4 24.gh5–+) 23.f4 (better is 23.g4!? hg4 24.Qd2-/+) 23...e5 24.fe5 (24.Nf3 Qa7 25.b6 (25.fe5?? Nc2 26.Qc2 Rc2 27.ef6 Kf6–+) 25...Qb6 26.Qb1–+) 24...fe5 25.Nf3 Nc2 26.Kf2 Qa7 27.d4 e4 28.Ne5 (28.e3–+) 28...e3 (28...e3 29.Kf3 Rf8 30.Nf7 Rf7; 28...Rf8 29.Nf7 Rf7) 0–1. Pokrupa,Marek (2155) – Perske,Thore (2385), 10th Wunsiedel Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 d5)

7.Nbd2 a6 8.Bg2= e6 (8...a5 9.ba5 Qa5 10.0-0=) 9.0-0 (9.a3 Nbd7=) 9...Nbd7 10.Qb3 (10.Ne5 a5 11.a3 Ne5 12.Be5 h6+=) 10...Qc7 11.a4 (11.e4 a5=) 11...Re8 (11...e5 12.cd5 cd5 13.Rfc1+=) 12.b5 (12.a5 e5=) 12...Nc5 (12...e5 13.cd5 cd5 14.a5=) 13.Qb4 Qe7 (13...Ncd7 14.d4=) 14.Ne5+= Nfd7 15.Ndf3 (15.Nd7 Nd7 16.Qe7 Re7 17.Bg7 Kg7 18.bc6 bc6+=) 15...f6 16.bc6 (16.Nd7!? Nd7 17.Qe7 Re7 18.bc6 bc6 19.Nd4+=) 16...Ne5= 17.Ne5 fe5 (17...a5 18.Qb6 Ra6 19.Qb5 fe5 20.cd5+=) 18.cd5 (18.Ba3 Bf8 19.Qc5 Qc5 20.Bc5 Bc5 21.cd5 b6+=) 18...ed5+= 19.Bd5 (19.Ba3 bc6 20.Qc5 Qc5 21.Bc5 Rb8=) 19...Be6-/+ 20.cb7 (20.Be6 Ne6 21.Qb7 Qb7 22.cb7 Rab8-/+) 20...Rab8 (20...Bd5?! 21.ba8R Ra8 22.Rac1=) 21.Bc6 (21.Be6 Ne6 22.Qc4 Qb7–+) 21...Nb7 22.Qe7 Re7 23.Ba3 (23.Rac1 Na5 24.Ba3 Ra7-/+) 23...Rc7–+ 24.Bb7 (24.Rac1 Rbc8 25.Be4 Nc5 26.Bc5 Rc5 27.Rc5 Rc5–+) 24...Rbb7 25.Rab1 (25.Rac1 h6–+) 25...Rb1 (25...Bb3 26.a5–+) 26.Rb1 Rc2 (26...g5 27.Rb6 Bc8 28.h4–+) 27.Kf1 (better is 27.Rb8 Rc8 28.Rb6–+) 27...Ra2?? (27...Bd5 28.Rc1 Rc1 29.Bc1–+) 28.Bc1?? (better is 28.Rb8 Kf7 29.Rb7 Ke8 30.Re7 Kd8 31.Re6 (worse is 31.Rg7 Ra3 32.Rh7 Ra4-/+) 31...Ra3 32.Ra6=) 28...Bh3 (28...Ra4 29.Rb8 Kf7 30.Rb7 Kf8 31.Rb8 Ke7 32.Bg5 Bf6 33.Rb7 Kf8 34.Rb8 Kg7 35.Rb7 Bf7 36.f4 ef4 37.gf4 Bg5 38.fg5 Rf4 39.Kg2 Rg4 40.Kf3 Rg5 41.e4–+) 29.Ke1 Ra4 30.Bg5 (30.Rb8 Kf7–+) 30...h6 31.Rb8 Kh7 32.Be7 (32.Bc1 Ra1 33.Kd2 a5–+) 32...e4 (better is 32...Ra1 33.Kd2–+) 33.Kd2 (33.Rb7 Kg8 34.de4 Bc3 35.Kd1 Re4 36.Bc5–+) 33...Ra2 34.Ke3 Bf1 35.Ke4 (35.de4 Re2 36.Kf3–+) 35...Re2 (35...Re2 36.Kf3 Re7–+) 0–1. jaddwarrior (1930) – TalEl (2305), ChessWorld.net, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d3 d5)

7.Nbd2 Na6 8.a3 Nc7 9.Bg2 a5 10.0-0 Bf5 11.Nd4 Bd7 12.N4b3 ab4 13.ab4 Na6 14.Nc5 Nc5 15.bc5 Be6 16.cd5 Bd5 17.Ra8 Qa8 18.Bd5 (18.e4 Be6+=) 18...cd5= 19.Qa1 Qc8 20.Qa7 Qc6 21.Rb1 Rc8 22.Bd4 Nd7 23.Bg7 Kg7 24.Rb7 Nc5 25.Re7 Qf6 26.Rc7 Rc7 27.Qc7 Ne6 28.Qc1 h5 29.Nf3 Kh7 30.h4 Kg8 31.Qc8 Kg7 32.Qb8 Nd4 33.Nd4 Qd4 34.Qf4 Qc3 35.Kg2 Qb2 36.e3 Qc3 37.d4 Qb3 38.e4 de4 39.Qe4 Qd1 40.Qe5 Kh7 41.d5 Qc2 42.d6 Qc6 43.Kg1 Qc1 44.Kh2 Qd2 45.Qf6 Qd5 46.Qe7 Qf3 47.Kg1 (better is 47.Qa7+–) 47...Qd1= 48.Kg2 Qd5 49.f3 Qd2 50.Kh3 Qd5 51.Qf6 Kg8 (better is 51...Qc4=) 52.g4+/– hg4 53.Kg4 Qh5 54.Kf4 Qd5 55.Qe5 Qd2 56.Kg4 Qg2 57.Kf4 Qh2 58.Ke4 Qe2 59.Kd4 Qf3 60.Kc5 Qa3+= 61.Kc6 Qa8 62.Kd7 Qa4+= 63.Ke7 Qh4 64.Ke8 Qb4 65.Qe7 Qa4 66.Qd7 Qa8 67.Qd8 Qe4 68.Kd7 Kg7 ½–½. Thiede,Lars – Jonas,Bernhard, Regionalliga NordS, 1989. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d3 c6 6.g3)

7.Nbd2 Qb6 8.a3 Bg4 9.c5 Qd8 10.Bg2 Nbd7 11.h3 Bf3 12.Nf3 Qc7 13.Qc2 e5 14.e4 Rfe8 15.0-0 d4 16.Nd2 Nh5 17.Nb3 f5 18.ef5 gf5 19.Qc4 Kh8 20.a4 Rf8 21.Rae1 f4 22.Bf3 Nhf6 23.g4 h6 24.Nd2 Nh7 25.Ne4 Ndf6 26.Nd6 Ng5 27.Kg2 Nf3 28.Kf3 Nd5 29.Rh1 Qd7 30.b5 b6 31.Ba3 bc5 (31...Nc3 32.Rhg1 bc5 33.Bc5 cb5 34.ab5 Rf6+=) 32.Qc5+/– (32.Bc5?! Nc3=) 32...Ne7 33.Nc4 (33.Re5 Be5 34.Qe5 Kg8+–) 33...Ng6 (33...cb5 34.Ne5 (34.ab5?! Qb7 35.Re4 Ng6+/–) 34...Qb7 35.Re4+/–) 34.bc6 (34.Qc6 Qc6 35.bc6 Rf6+–) 34...Nh4 (34...Qe6!? 35.Qd6 Qf7+/–) 35.Ke2+– Qf7 36.f3 e4 37.fe4+– Ng2 38.Rc1 f3 39.Kf2 Nf4+/– 40.Rcd1 Ne2 41.Qe7?? Qg8? 42.Bd6 Nc3 43.Rc1 Rf7 44.Qh4 Qe8 45.Qh5 Qe6 46.Rc2 Ne4? 47.de4 d3 48.Ne5 dc2 49.Nf7 Kg8 50.Qd5 Kf7 51.Rc1 Rd8 52.c7 Rc8 53.Rc2 Qd5 54.ed5 Ke8 55.Kf3 Kd7 56.Rc6 1–0. Zenner,L – Stabenow,Juergen, DDR–ch11 sf corr, 1981. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 d5)

7.Nbd2 Bf5 8.Bg2 Qc8 9.0-0 Bh3 10.Qb3 Bg2 11.Kg2 e6 12.Rfc1 Nbd7 13.Rab1 Qd8 14.Ne5 Rc8 15.Ndf3 Re8 16.Rc2 Ne5 17.Be5 Qe7 18.Qb2 Nh5 19.Bg7 Ng7 20.Rbc1 Rcd8 21.b5 cb5 22.Qb5 d4 23.c5 e5 24.c6 bc6 25.Rc6 e4 26.de4 Qe4 27.Rc7 Qe2 28.Qb7 Rb8 29.Qa7? Rb2–+ 30.Qd4 Ne6 31.Qf6 Qf2 32.Kh3 Nc7 33.Rc7 Rf8 34.a4 Rb3 35.Rf7 Rf7 36.Qd8 Kg7 37.Ng5 Qf5 38.Kh4 Rb4 (38...Rb4 39.Qd4 Rd4 40.Ne4 Qh5) 0–1. Misovic,Jan – Helbich,Jan (2145), Hlohovec op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 d5)

7.Nbd2 Bf5 8.Bg2 Re8 9.0-0 dc4 10.Nc4 Qc8 11.Re1 Bh3 12.Bh1 Na6 13.a3 Nc7 14.Rc1 Qf5 15.Na5 Rab8 16.Nd4 Qh5 17.Nb7 Rb7 18.Bc6 Rb6 19.Rc5 e5 20.Bf3 Bg4 21.Rc7 ed4 22.Bd4 Rbe6 23.Rc5 g5 24.Be3 h6 25.h4 Bf3 26.ef3 Re5 27.hg5 Nd5 28.Qc1 Ne3 29.Re5 Re5 30.Re3 Rg5 31.Kg2 Kh7 32.Re7 Qg6 33.Qe3 Rf5 34.Ra7 Qf6 35.Qe4 Qe6 36.a4 Qe4 37.fe4 Rf6 38.b5 Rd6 39.Rf7 Kg6 40.Rf5 Rd3 41.b6 Rb3 42.Rb5 Rb5 43.ab5 Be5 44.f4 Bd6 45.e5 Bc5 46.b7 Ba7 47.Kf3 h5 48.Ke4 Bb8 49.b6 Kg7 50.Kf5 Kf7 51.Kg5 Ke6 52.Kh5 Kf5 53.Kh6 Ke6 54.Kg6 Ke7 55.g4 Kf8 56.Kf6 Ke8 57.g5 1–0. Menghi – Schigan, 1990.

7.Nbd2 Bg4 8.Bg2 Nbd7 9.0-0 Re8 10.Ne5 Ne5 11.Be5 Qd7 12.Rc1 a5 13.cd5 Nd5 14.Bg7 Kg7 15.Nc4 ab4 16.Bd5 Qd5 (worse is 16...cd5 17.Nb6 Qe6 18.Na8 Ra8 19.Rc2+/–) 17.Ne3 (17.Nb6!? Qe6 18.Na8 Ra8 19.Rc2+=) 17...Qe6 18.Ng4 Qg4 19.Rc4 Qe6 20.Qd2 b5 21.Rh4 h5 (21...Ra2 22.Qh6 Kf6 23.Rf4 Ke5 24.Re4 Kd5 25.Re6 Ke6 26.Qh3 Kd6 27.Qh7+–) 22.Re4 Qd5 23.Qb4 Ra2 24.Rc1 Kg8 25.Re7 (25.Rc5!? Ra1 26.Kg2+=) 25...Re2-/+ 26.Re8 Re8 27.d4 Re2 28.Ra1? (better is 28.Qc3-/+) 28...Qf3–+ 29.Ra8 Kh7 (29...Kh7 30.Rh8 Kh8 31.Qf8 Kh7 32.Qg8 Kg8 33.h4 Qf2 34.Kh1 Qe1) 0–1. Helfst,Matt D (1930) – Schut,L (2285), Philadelphia USA, 7th Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 d5)

7.Nbd2 Bg4 8.Bg2 Nbd7 9.0-0 Re8 10.h3 Bf3 11.Nf3 e5 12.Qb3 Qe7 13.Rfe1 (13.Rfd1 e4 14.Nd4 c5=) 13...e4 14.de4 de4 (better 14...dc4 15.Qc4 Ne4=+) 15.Ng5?? (better 15.Nd4=) 15...h6-+ 16.Bf6 (16.Nf7 Qf7 17.Red1 Rad8-+) 16...Nf6 (16...Bf6?! 17.Ne4 Ba1 18.Ra1-/+) 17.Nf7 Qf7 18.h4 (18.Rab1-+) 18...Ng4 19.Rad1 (19.c5 Ba1 20.Ra1-+) 19...Qf2 20.Kh1 Qe3 (better 20...Ne3 21.c5 Kh8-+) 21.Qc2 (21.Rd7 Rab8 22.Qe3 Ne3 23.c5-+) 21…Qg3 (21...Qg3 22.Kg1 Rf8 23.Qe4 Qh2) 0-1. WholeMilk93 (1730) - Lance5500 (2620), lichess.org, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3)

7.Nbd2 dc4

8.dc4 a5 9.b5+=.

8.dc4 Bg4 9.Bg2= Na6 10.Qb3 (10.a3 Qc8=) 10...Nc7 (10...Qb6 11.Rb1=) 11.0-0 Rb8 (11...Ne6 12.Rfd1+=) 12.Rad1+/– Qe8 (12...Qd7 13.Be5+=) 13.h3 (13.Be5 Qc8+/–) 13...Be6 (13...Bf3 14.Nf3 Ne6 15.Nd4+/–) 14.Qc2 (14.Be5 Qc8+/–) 14...Rd8+= 15.Nd4 (15.Bd4 a6+/–) 15...Bc8 16.N2f3 (better is 16.Ne4+=) 16...e5 (16...Nd7 17.Nb3+=) 17.Nb3 (better is 17.Ne5!? Bh8 18.Nd3+/–) 17...Bf5+= 18.Qc1 Rd1 (18...Na6 19.Rd8 Qd8 20.b5 cb5 21.cb5+/–) 19.Rd1 Qc8 (better is 19...Nd7!?+=) 20.Be5+– Re8 21.Kh2 (21.Nbd4 Bd7+–) 21...Ne4 (21...Ne6 22.Qb2 Ne4 23.Bg7 Ng7 24.e3+/–) 22.Bg7+– Kg7 23.e3 Nf2?? (better is 23...f6 24.Qb2 Na6+–) 24.Qb2 Kg8 25.Qf2 1–0. pispindroi (1955) – yannigator (1925), net–chess.com, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3)

8.Nc4 b5 9.Ncd2+=.

7.Nbd2 Nbd7

8.Bg2 Re8 9.0-0 e5 10.e3 Qe7 11.Qb3 Bf8 12.cd5 Nd5 (worse is 12...Qb4 13.dc6 bc6 14.Nc4+/–) 13.a3 a5 14.b5 Nc5 15.Qc2 f6 16.d4 ed4 17.Nd4 Bd7 18.Rac1 Ne6? (better is 18...Rec8!?+=) 19.bc6+– Nd4 (19...bc6 20.Nc6 Bc6 21.Qc6+–) 20.Bd5 (better is 20.cd7!? Nc2 21.Bd5 Kg7 22.de8R Re8 23.Rc2+–) 20...Be6 21.Be6 (worse is 21.ed4 Bd5 22.c7 Rac8+=; worse is 21.Bd4 Bd5 22.Bc5 Qc5 23.cb7 Bb7 24.Qc5 Bc5 25.Rc5 Rec8+/–) 21...Ne6 22.cb7 Qb7 23.Ne4 Rec8 24.Nf6 Kf7 25.Qe2?? (25.Bc3 Ba3 26.Rfd1 Bc1 27.Rd7 Qd7 28.Nd7 Ra7 29.Ne5 Kg8 30.Ng6 Rf7+–) 25...Ng5?? (better is 25...Rc1 26.Rc1 Bg7+=) 26.e4 Bg7 27.h4 (better is 27.f4 Nh3 28.Kg2 Bf6 29.Rc8 Qc8 30.Rc1 Nf4 31.gf4+–) 27...Ne4?? (better is 27...Bf6 28.Bf6 Qe4 29.Qa2 Kf6 30.Qb2 Kf7 31.hg5 Qf5+/–) 28.Ne4+– Qb2 (28...Kg8 29.Nd6 Rc1 30.Nb7 Bb2 31.Qb2 Rc7+–) 29.Nd6 (29.Nd6 Kf8 30.Rc8 Rc8 31.Qe6+–; 29.Ng5 Kg8 30.Qe6 Kh8 31.Nf7 Kg8 32.Nd8 Kh8 33.Qe8 Bf8 34.Qf8) 1–0. Martin Garcia,Carlos (2130) – Velazquez Manisse,Ernesto (2170), Catalunya Club op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3 d5)

8.Bg2 Re8 9.0-0 e5 10.e4 a5 11.a3 d4 12.c5 b6 13.cb6 ab4 14.ab4 Ra1 15.Qa1 Qb6 16.Nc4 Qb4 17.Ba3 Qa4 18.Bd6 The pressure on e5 grows 18...Qa1 19.Ra1 Bf8 20.Ra8 c5 21.Ra7 Re6 22.Ra8 (22.Bf8!? Kf8 23.Bh3+/–) 22...Bb7= 23.Ra7 (23.Rd8 Re8 24.Re8 Ne8 25.Bf8 Kf8 26.Nfe5 Ne5 27.Ne5=) 23...Bc8?? (better is 23...Be4 24.de4 Rd6+=) 24.Bf8+/– Kf8 25.Ra8 Rc6? (better is 25...Re8+/–) 26.Nfe5+– (26.Nce5?! Rc7+=) 26...Rc7 27.Nd7 Nd7 28.Nd6 Nb6 29.Rb8 1–0. Dobrovolsky,Ladislav (2390) – Konopka,Michal (2425), Ceske Budejovice op, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3)

6.d3 d6

7.Bg2 Qb6 8.Qb3 (8.0-0 Qb4 9.Qc1 Rd8=) 8...Na6 9.a3 Ng4 10.0-0 Nc5 11.Qc2 Bb2 12.Qb2 a5 13.h3 Nf6 Black king safety improved 14.Nc3 Bd7 15.Rfb1 ab4 16.ab4 Ne6 17.e3 Covers d4+f4 17...Ra6 18.Ra6 ba6 19.Na4 Qc7 20.Qa3 Rb8 ½–½. Ristea,Tudor (2140) – Stefan,Bogdan Liviu (2125), ROM Supercup, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.d3 0-0 6.g3)

7.Bg2= Nbd7 8.0-0 Re8 9.Qc2 e5 10.Nbd2 Qc7 11.Rac1 Nf8 12.Qb1 N6d7 13.e4 c5 14.b5 Ne6 15.Nb3 b6 16.Ne1 Bb7 17.Bh3 Nd4 (17...a6 18.ba6 Ra6 19.f4=) 18.Nd4= ed4 19.Ng2 Rad8 20.Rce1 Rf8 21.f4 Rde8 22.Qd1 Bc8 23.Bc1 Qd8 24.Nh4 h6 25.Bg2 Kh7 26.Bd2 Bf6 27.Nf3 Qc7 28.h3 Bg7 29.Rf2 Re7 30.Nh2 Rfe8 31.Ng4 f5 32.ef5 gf5 33.Re7 Re7 34.Nh2 Nf6 35.Re2 (35.g4 Ng8+=) 35...Re2 36.Qe2 Qf7 37.Nf3 d5 38.Ne5 Qe6 39.Kf2 dc4 40.Nc4 Nd5 41.Qe6 Be6 42.a3 Nc3 43.Bc6 Bc4 44.dc4 Ne4 45.Be4 fe4 46.Be1 Bf6 47.Ke2 Bd8 48.g4 Bc7 49.Bg3 Kg7 50.Kd2 ½–½. Novacek,Josef – Stluka,Frantisek, CZE–chT2b, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d3)

6.d4 d5

7.c5 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Nfd7 11.Bg2 Qc7 12.0-0 e5 13.e4 de4 14.Ng5 ed4 15.Ne4 Nf6 16.Nf6 (16.Qd4? Ne8 17.Qe3 Ba1–+) 16...Bf6 17.Nd2 Bf5 18.g4 Bd3 19.Qf3 Bf1 20.Qf6 Qd8 21.Qd8 Rd8 22.Bf1 (worse is 22.Nf1 Na6+=) 22...Na6 23.Ba6 ba6 24.Nc4 d3 25.Nd2 a5 26.ba5 Rd5 27.a6 Rc5 (better is 27...Rd8!?+=) 28.Bd4+– Ra5 29.a7 f5 30.gf5 gf5 31.Nb3 Ra3 32.Kf1 Kf7 33.Ke1 Ke6 (33...Ra2+–) 34.Bb6 Rb3 35.a8Q (better is 35.Ba5 Rb2+–) 35...Rb6 36.Qc8 Kd6 37.Qd8 Kc5 38.Qd3 1–0. Ishkhamov,Tigran (2395) – Ganbold,Odondoo (2380), Reno Far West op, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.d4 d5)

7.Nbd2 dc4 8.Nc4 Be6 9.e3 Bd5 10.Bd3 Qd7 11.Rg1 Qh3 12.Nce5 Nbd7 13.Nd7 Qd7 14.Qe2 Ne4 15.Be4 Be4 16.Ng5 Qf5 17.Ne4 Qe4 18.f3 Qd5 19.a3 a5 20.Qf2?? ab4 21.ab4 Ra1 22.Ba1 Ra8 23.Qb2 Ra2 24.Qc3 Qf3 0–1. marus1 – SSV1, internet, 2001.

7.Nbd2 Be6 8.c5 Na6 9.Qb3 Ne4 10.a4 f6?? (better is 10...Rb8+=) 11.Ne4+– 1–0. Dresen,Ulrich – Borngaesser,Rene, GER–ch U20 Saarbruecken, 1968. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.d4)

7.e3 dc4 8.Bc4 Qd6 9.a3 a5 10.ba5 Ra5 11.0-0 b5 12.Bd3 Rd8 13.e4 Nfd7 14.Qc2 e5 15.Bc3 Ra4 16.Bb4 Rb4 17.ab4 ed4 18.Rc1 Qb4 19.Nbd2 Ba6 20.Nb3 Qd6 21.Ra5 Bh8 22.Qd2 Nb6 23.Nc5 Bc8 24.Qh6 Bg7 25.Qh4 Re8=.

6.Bg2 a5

7.a3 d5 8.Qb3 Na6 9.d3 dc4 10.dc4 Qb6 11.Nbd2 ab4 12.ab4 Bd7 (12...Bf5 13.Nd4 Rfd8 14.Nf5 gf5 15.e3 Qb4 16.Bd4 Qb3 17.Nb3-/+) 13.Rb1=+ Bf5 14.Bd4 Qc7 15.Rc1 c5 16.Be5 Qc8 17.b5 Nb4 18.0-0 Qe6 19.Ra1 Bh6 20.Qb2 (20.Bc3 Ra1 21.Ra1 Rd8= (worse 21...Qe2 22.Re1 Qd3 23.Re7+=)) 20...Ng4 21.Ra8 Ra8 22.e4 Ne5 23.ef5 Nf3 (23...Nc4? 24.Qc3 (24.fe6 Nb2 25.ef7 Kf8-/+) 24...Qd7 25.Nc4 (worse 25.Qc4 Bd2 26.Nd2 Qd2+-) 25...Qb5 26.fg6 hg6 27.Nfe5+-) 24.Nf3 Qf5 25.Rd1 (25.Qe5!? Qe5 26.Ne5=+) 25...Bg7-/+ 26.Qe2 Bf6 27.h3 Ra2 28.Qe3 Nc2 29.Qe2 (29.Qd3 Nd4 30.Qf5 Nf5-/+) 29...Rb2 (29...b6!?-+) 30.Rd2 Rb1 (30...Kg7!?-/+) 31.Kh2=+ Rc1 (31...Nb4 32.Nh4 Qc8 33.Qe4=) 32.Rd8 Kg7 33.Qd2 e6?? (better 33...Rb1=) 34.Rb8+- Rb1 (34...Ne1 35.Ne1 Qe5 36.Qc1 Qb8+-) 35.Qd6 g5 (35...Kh6 36.Rg8 Bg7+-) 36.Qf8 Kg6 37.Rb7 Bg7 (37...Nd4 38.Rf7 Nf3 39.Bf3 Qf3 40.Qg8 Kf5 41.Rf6 Kf6 42.Qf8 Ke5 43.Qc5 Ke4 44.Qc6 Kd4 45.Qf3 Rb4+-) 38.Qe7 (better 38.Qg8 Nd4 39.Rf7 Qf7 40.Ne5 Kf6 41.Qf7 Ke5 42.Qg7 Kd6 43.Qg5+-) 38...Nd4 (38...Ne1 39.Ne1 Re1 40.h4=) 39.Nd4 (better 39.Ng5 Qf2 40.Qf7 Qf7 41.Nf7=) 39...Bd4= (39...cd4?? 40.Be4 Rh1 41.Bh1 Qf2 42.Bg2+-) 40.Be4? (40.h4 Bf2 41.Qg5 Qg5 42.hg5 Rb3=) 40...Qe4?? (better 40...Rh1! 41.Kh1 Qe4 42.Kh2 Qf3 43.Qf7 Qf7 44.Rf7 Kf7-+) 41.Qf7= Kh6 42.Qf8 Kg6 43.Qg8 Kh6 44.Qf8 Kg6 45.Qf7 Kh6 46.Qf8 ½-½. Stojic,D (2275) - Liu,Xiangyi (2435), Australian Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

7.a3 d5 8.d3 ab4 9.ab4=+ Ra1 10.Ba1 dc4 11.dc4 Qd1 (11...Qb6 12.Qa4=+) 12.Kd1= Be6 13.Na3 Nbd7 14.Kd2? (better is 14.Nd4!?=) 14...Ra8-/+ 15.Bb2 Ne4 16.Ke3?? (better is 16.Kc1–+) 16...Bb2 17.Ke4 (17.Nc2 Nef6 18.c5 Nd5 19.Kd3 Ra4–+) 17...Ra3 (17...Ra3 18.Kf4 h6–+) 0–1. gbsr (2165) – thefrench (2550), net–chess.com, 2003.

7.a3 d5 8.cd5 cd5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Qb3 Na6 13.b5 Bd7 14.Na3 Nc5 15.Qb4 Ra8 16.Bd4 Nfe4 17.Bg7 Kg7 18.d4 Ne6 19.Qe7 Qd6 20.Qd6 Nd6 21.Ne5 Ra3 22.Nd7=+ Nd4 23.Bd5 Ne2 24.Kg2 Nc3 25.Bf3 Ncb5 26.Rb1 Ra5 27.Rb4 Ra7 28.Be2 Nc3-/+ 29.Bd3 b5 30.Nc5 Ra5 31.Rd4 Ne8 32.h4 Nf6 33.Kh3 b4! 34.Nb3 Rd5 35.Bc4 Rd4 36.Nd4 Nfe4 37.Nc2 Nd2 38.Bf7 Kf7 39.Nb4 Nce4 40.Kg2 Nf6 41.Nd3 Nc4 42.Nf4 Ng4 43.Nh3 Kf6 44.Ng5 h6 45.Nh3 Nge5 46.Nf4 Nd2 47.Ne2 Ndf3 48.Nf4 Kf5 49.Nd5 h5 50.Nf4 Nh4! 51.Kh3 Nhf3 52.Kg2 Ke4 53.Kh3 Ne1 54.Nh5 gh5 55.Kh4 N1f3 56.Kh5 Kf5 57.g4 Kf6 58.g5 Kf5 59.Kh6 Nf7 60.Kg7 N7g5 61.Kf8 Ke6 62.Kg7 Ne4 63.Kg6 Nf6 64.Kg7 Nd5 65.Kg6 Nf4 66.Kg7 Ke7 67.Kh6 Kf7 68.Kh7 Ng5 69.Kh6 Kf6 70.f3 Nge6 71.Kh7 Kf7 72.Kh6 Kf8 73.Kh7 Nd8 74.Kh6 Nf7 75.Kh7 Ng5 76.Kh6 Nge6 77.Kh7 Kf7 78.Kh6 Ke7 79.Kh7 Kf8 80.Kh6 Kf7 81.Kh7 Kf6 82.Kh6 Ng7 83.Kh7 Nf5 84.Kg8 Ke7 85.Kh7 Kf7 86.Kh8 Ng6 87.Kh7 Nf8 88.Kh8 Nh4 (88...Nh4 89.f4 Nhg6; 88...Ne7 89.f4 Neg6) 0–1. Wagner,Guy – Jones,Ri (2075), 5th Sth Wales Int, Trefforst WLS, 2008.

7.a3 d5 8.cd5 cd5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Bf5=.

7.a3 d6 8.Nc3 e5 (8...ab4 9.ab4 Ra1 10.Qa1=) 9.0-0 e4 10.Nd4 d5 11.Qb3 (11.cd5 cd5 12.b5 Nfd7=) 11...ab4 (11...Ne8 12.Nc2=+) 12.ab4= Ra1 13.Ra1 Be6 (13...Ne8 14.Nd1=) 14.Ne6 fe6 15.Bh3 Qe7 16.b5 d4 17.bc6 dc3 (17...bc6!? 18.Na4 c5+=) 18.Ba3+/– Qc7 19.Be6 Kh8 20.Bf8 Bf8 21.Qb7 Qb7 22.cb7 cd2 23.Kf1 Ne8 24.e3 Nd6 25.Bd5 Ne8 26.Be4 Bd6 27.Ke2 Bc7 28.Kd2 Kg7 29.f4 Kf6 30.c5 Ke7 31.Kc3 Nf6 32.Bf3 Nfd7 33.Kc4 Kd8 34.c6 Nf6 35.Kb5 Bd6 36.e4 Bc7 37.e5 Ne8 38.Kc5 Ke7 39.Kd5 Bb6 40.Ra8 Nc7 41.Kc4 Nba6 42.Rh8 1–0. marre – oppo, internet, 2010.

7.ba5 d5 8.cd5 cd5 (< 8...Qa5 9.dc6 Nc6 10.0-0+=; < 8...Ra5 9.dc6 Nc6 10.0-0+=) 9.0-0 Nc6 10.d3 Ra5 11.Nbd2 Qd6 12.Nb3 (12.e4 e5=) 12...Ra8 13.a4 Re8 14.Nfd4 Nd4 15.Nd4 Bd7 16.Qb3 ½–½. Valerga,Diego – Izquierdo,Daniel, Zt Santiago (Chile), 1995.

7.ba5 d6 8.0-0 Qa5 9.d3 e5 10.Nbd2 Nbd7 11.Nb3 Qc7 12.Qc2 b6 13.e3 Bb7 14.Rfd1 Rfd8 15.d4 ed4 16.Nfd4 Nc5 17.e4 Nfd7 18.Ne2 Bb2 19.Qb2 Ne5 20.Nd2 Ba6 21.Qc2 b5 22.cb5 Bb5 23.Nf4 Ba4 24.Nb3 Rab8 25.Rab1 Rb6 26.Ne2 Rdb8 27.Nec1 Na6 28.f4 Nd7 29.Qc4 Bb5 30.Qc3 c5 31.Nd2 Ba4 32.Ncb3 Nb4 33.a3 Nc6 34.Re1 Qb7 35.Na5 Na5 36.Qa5 Bc6 37.Rb6 Qb6 38.Qb6 Rb6 39.Nc4 Ra6 40.Rd1 Nb6 41.Nd6 Ra3 42.Rc1 c4 43.Nc4 Nc4 44.Rc4 Ra1 45.Kf2 Ra2 46.Kf3 Ra3 47.Kg4 Bd7 48.f5 Ra5 49.Kf4 gf5 50.e5 Be6 51.Rc2 Kg7 52.h4 Ra4 53.Ke3 Ra3 54.Kf2 Ra2 55.Ra2 Ba2 56.Ke3 f6 57.Kf4 Kg6 58.Bf3 fe5 59.Ke5 Bb1 60.Bc6 Kh5 61.Bf3 Kg6 ½–½. Suskovic,Matija (2130) – Antunovic,Ivo, CRO–ch U19 Hvar, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

7.b5 a4 8.0-0 Qb6 9.Na3 d5 10.Rb1 Bf5 11.d3 cb5 12.cd5 e6 (12...b4!? 13.Nc4 Qc5+/–) 13.Bd4 Qd8 14.Rb5 ed5 15.Rb7 Re8 (15...Nc6 16.Nb5 Qa5 17.Bf6 Bf6 18.Nd6+=) 16.Ne5 (16.Nb5 Be6+–) 16...Nfd7+/– 17.Nd7 Bd4 18.Nb8 Rb8 19.Rb8 Qb8 20.Bd5 (20.Qa4 Bg7+–) 20...Qd6? (better is 20...Bh3!? 21.Qa4 Bf1 22.Kf1 Bf6+/–) 21.Qa4+– Re2 22.Qd4 Qa3 23.Rb1 Re8 (23...Qf8 24.a4+–) 24.Bc4 (24.Rb7!? Rf8+–) 24...Qe7 25.a4 Rd8 26.Qc3 Qe2?? (26...Rc8+–) 27.Re1 Qf3 (27...Qe1 28.Qe1 Be6+–) 28.Qf6 Rf8 29.Bf7! (29.Bf7 Rf7 30.Re8 Rf8 31.Qf8) 1–0. Marcos Herrero,F (1975) – De Vicente Guijarro,J (1760), 26th Torneo San Viator, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

7.b5 a4 8.Na3 c5 (8...d5 9.Rc1=) 9.0-0 d5 (9...d6 10.Qc2=) 10.d4+= Bg4 (10...cd4!? 11.Qd4 dc4 12.Nc4 Qd4 13.Bd4 Be6+=) 11.dc5+/– dc4 (11...Qc8 12.cd5 Qc5 13.Ne5+/–) 12.Nc4 (12.Ne5 Qc8 13.Ng4 Ng4 14.Bg7 Kg7 15.Nc4 Qc5 16.Bb7 Ra7+–) 12...Nbd7 (12...Qc7+/–) 13.Nfe5 (better is 13.c6!? bc6 14.bc6+–) 13...Nc5+= 14.Ng4 (14.Qd8 Rfd8 15.Ba3 Be2 16.Bc5 Nd5+=) 14...Ng4 15.Bg7 (15.Qc2 Bb2 16.Qb2 Rc8+=) 15...Kg7+/– 16.Qc2 Qd4 (16...Rc8 17.Rfd1 Qc7 18.b6+/–) 17.Rad1 (17.Rac1 Rad8+/–) 17...Qf6 0–1. algernon – croach, net–chess.com, 2017. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5)

7.a3 ab4 8.ab4 Ra1

9.Ba1 Na6 10.b5 cb5 11.cb5 Nc5 12.0-0 b6 (12...Qb6 13.Nc3=) 13.d3 Bb7 14.Nbd2 d5 15.Nb3 Qd7 16.Nc5 bc5 17.Qb3 Rc8 18.Ne5 Qd6 19.Bb2 (19.Rb1 Ne8 20.Nf3 c4=) 19...Ne8 20.f4 (20.Nf3 c4 21.dc4 dc4+= (worse is 21...Rc4 22.Bg7 Rb4 23.Qd3 Ng7 24.Rb1=)) 20...Nc7 (20...c4 21.Qa4 Qb6 22.Kh1-/+) 21.Ra1 (21.b6 Na8+=) 21...Qb6 (better is 21...c4!? 22.dc4 Qc5 23.Kh1 Be5 24.Be5 dc4-/+) 22.Nd7= Qb5 23.Qb5 Nb5 24.Bg7 Kg7 25.Rc1 Nd4 26.Kf2 Ne6 27.Nb6 Rd8 28.Na4 Rc8 29.Nb6 Rd8 ½–½. jvanmechelen (2445) – gnewsom (2000), net–chess.com, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1)

9.Ba1 b5 10.c5 (10.cb5 cb5 11.Na3 Qb6=) 10...Na6=+ 11.Qb3 Nd5 12.Bg7 Kg7 13.Ne5 (13.0-0 Ndb4 (13...Nab4? 14.e4+–) 14.Qb2 f6=+) 13...Ndb4 (< 13...Nab4 14.e4+/–) 14.d4 f6 15.Nf3 Qa5 16.0-0 Qa2 17.Qe3 Nc2 (better is 17...Nd5!? 18.Qd3 d6 19.cd6 ed6-/+) 18.Qe7+= Rf7 (18...Qf7 19.Qe4 Nab4 20.Qf4+=) 19.Qe8 Bb7 20.Nc3 Qe6 21.Qd8 (better is 21.Qe6!? de6 22.Ne4+=) 21...b4= 22.Na4 Qe2 23.Nb6 b3 24.Nd7 Na3?? 25.Re1+– Qc2?? 26.Re7 Qd1 27.Bf1 Qf3 28.Rf7 Kf7+– 29.Qf8 Ke6 30.Bh3 Kd5 31.Bg2 Qg2 32.Kg2 1–0. gbsrao (2220) – croach (2360), net–chess.com, 2010.

9.Ba1 d5 10.c5 Nbd7 (10...Bg4 11.h4=) 11.0-0 Qc7 12.d4 (12.d3 Nh5 13.Nbd2 Bh6=) 12...Ne4 13.Nbd2 f5 14.Qc2 e5 (14...Nd2 15.Nd2 Nf6 16.f4=) 15.Ne4 fe4 16.Ne5 Ne5 (16...Be5 17.de5 Ne5 18.Qb2+–) 17.de5 Be5 18.Qa2 Qe7 19.Be5 Qe5 20.Qa7 0–1. Molina,Jorge (2290) – Di Berardino,Diego Rafael (2250), Magistral Vince Toth 4th, 2002. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5 7.a3 ab4 8.ab4 Ra1)

9.Ba1 d5 10.cd5 cd5 11.0-0 Qb6 12.Qb3 Nc6 13.b5 Nb8 (13...Bf5 14.Bf6 Bf6 15.Nc3 Bc3 16.dc3=) 14.Nc3 (14.Bd4 Qe6+=) 14...Rd8 (14...Qd6 15.Bb2=) 15.Rc1 Bf5 (15...Bg4 16.Ne5 Be6 17.Na4+=) 16.Na4+= Qd6 17.Be5 Qd7 (better 17...Qe6!?+=) 18.Nb6+- Qe8 19.Bc7 h6 (19...Ne4 20.h3+-) 20.Nd4 Bg4 21.h3 e5? (21...Bd7+-) 22.hg4 (22.Bd8?! Qd8 23.hg4 Qb6 24.Rc8 Kh7+-) 22...ed4 (22...Bf8 23.Nc2 e4 24.Ne3+-) 23.Bd8 (23.Bd8 Nbd7 24.Bf6 Nb6 25.Bg7 Kg7 26.Qd3+-) 1-0. Kovalev,De (2485) - Heinemann,Josefine (2285), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

9.Ba1 d5 10.cd5 Qd5 11.Nc3=.

9.Ba1 d6 10.Nc3 (10.0-0 Qb6 11.Bc3 Na6=) 10...Nbd7 (10...e5 11.0-0=) 11.0-0 e5 12.Qb3 Re8 13.d3 Qe7 14.Nd2 Nf8 15.b5 Bd7 16.Qa4 Ne6 (16...cb5!? 17.Nb5 Bc6=) 17.bc6+= bc6 18.Bc6 Bc6 19.Qc6 Nd4 20.Qg2 Qa7 21.Nde4 Ne4 22.Qe4 Nb3 23.Bb2 Nd2 24.Qc6+/– Rb8 25.Ra1 Qd4? 26.Qc7+– Re8 27.Qd7 Rb8 28.Ra7 Rf8 29.Na4 Nf3 30.Kg2 (30.Kg2 Qa7 31.Qa7+–) 1–0. amoruritme – snowshinethedog, ChessWorld.net, 2005.

9.Ba1 Qb6

10.0-0 Qb4-/+ 11.d3 Na6 12.Bc3 Qb6 13.Nbd2 d6 14.Qa1 Qc7 15.Ne4 Nh5 16.Bg7 Ng7 17.Qc1 b5 18.Nd4 bc4 19.dc4 (19.Qc4? d5 20.Qc6 de4 21.Qe4 Ne6–+) 19...c5 20.Nb5 Qd8 21.Rd1 f5 22.Ng5 Nb4 23.Nh3 Nh5 24.Qh6 Nf6 25.Ng5 Qb6 26.Nc3 e6 27.e4 Qc7 28.Nb5 Qe7 29.ef5 ef5 30.Rd6 (better is 30.Qh4!?=) 30...Ng4-/+ 31.Qh7 Qh7 32.Nh7 Kh7 33.h3 Ne5 34.Nc3? (34.Bd5–+) 34...Nc4 35.Rd1 Rf7 36.Rd8 Bb7 37.Bf1 Ne5 38.Nb5 Nf3 39.Kg2 Nd2 40.Kg1 Nf1 41.Kf1 Ba6 42.Rb8 Rb7 43.Rb7 Bb7 44.Nc7 c4 45.Ke1 c3 46.Nb5 Nd3 47.Kd1 Nf2 48.Kc2 Ne4 49.Nc3 Nc3 50.Kc3 Kg7 51.Kd4 Kf6 52.h4 Ba8 53.Ke3 Ke5 54.Kd3 f4 55.g4 Bf3 56.h5 gh5 57.gh5 Bh5 58.Kd2 Ke4 59.Ke1 Ke3 60.Kf1 Kf3 (60...Kf3 61.Kg1 Kg3 62.Kf1 f3 63.Ke1 f2 64.Kf1 Bf7 65.Ke2 Bc4 66.Kd2 f1Q 67.Kc2 Qd3 68.Kb2 Qd2 69.Ka3 Qc3 70.Ka4 Qb3 71.Ka5 Qb5; 60...f3 61.Kg1 f2 62.Kf1 Be2 63.Kg2 f1Q 64.Kh2 Bf3 65.Kg3 Qg2 66.Kh4 Qg4) 0–1. Vlcek,Marek (1880) – Jirk,Ales (2055), Czechia KP–chTA, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Qa4 Na6 11.b5 d6 12.0-0 Nc5 13.Qb4 Bd7 14.Na3 (14.Bd4 Ng4=+) 14...Ra8-/+ 15.d4 (15.Bd4 Bg4-/+) 15...Ne6 (15...Nce4 16.Bb2-/+) 16.Qb2 (16.Qb3 c5 17.e3 Qa5=+) 16...cb5 (16...c5!? 17.e3 Ne4-/+) 17.Nb5=+ Bb5 18.Qb5 Qb5 19.cb5 Nc7 20.Nd2 Ra2 21.Nb3 (21.b6 Ncd5 22.Rd1 Bh6=+) 21...Nb5 (21...Re2?! 22.Bb7 Ncd5 23.Kg2=) 22.Bb7 d5 (22...Re2 23.Ba6 Nd4 24.Nd4+–) 23.Nc5 Nd6 (23...Re2 24.Ba6 Nd4 25.Bd4+–) 24.e3? (better 24.Bc6!?-/+) 24...Nb7–+ 25.Nb7 Ne4 26.Nd8 Bf6 27.Nc6 (27.h4 Nd2 28.Rd1 e6 29.Ne6 fe6–+) 27...Nf2! 28.Nb4 (28.Rf2 Ra1 Deflection (28...Ra1 Overloading)) 28...Nh3 29.Kh1 Ra5 30.Bc3 Ng5 31.Ra1 Ra1 32.Ba1 e6 33.Nd3 Ne4 34.Kg2 Bg5 35.Nf4 Bf4 (35...Kg7 36.Bb2–+) 36.ef4-/+ Kf8 37.Bb2 Ke7 38.Kf3 Kd7 39.g4 f5 40.gf5 ef5 41.Ke3 (41.Ke2!?-/+) 41...Kc6–+ 42.Ba3 Kb5 43.Bf8 (43.Kd3 Ka4 44.Be7 Kb3–+) 43...Kc4 44.Be7 Kc3 45.Bd8 Nd6 46.Ba5 Kc4 47.Bc7 Nf7 48.h3 Kb5 (48...h6 49.Ba5–+) 49.Kd3 Kc6 50.Ba5 Kd7 51.Bd2 Nd8 52.Kc3 Ne6 53.h4? (better 53.Kd3-/+) 53...Kc6–+ 54.Be3 Kb5 55.Kb3 h6 56.Kc3 Ka4 57.Bc1 Ng7 58.Bb2 (58.Be3 Nh5–+) 58...Nh5 59.Bc1 Nf6 60.Bb2 Ne4 61.Kd3 Kb3 62.Bc1 Nf2 63.Ke3 Kc2 64.Ba3 Ng4 65.Ke2 Kc3 66.Bc5 Nf6 67.Bf8 Nd7 68.Bg7 Nb8 69.Ke3 Nc6 70.Bh6 Nb4 71.Bg7 Nc2 72.Kf3 (72.Ke2 Kc4–+) 72...Kd3 73.h5 (73.Kf2–+) 73...gh5 74.Kg3 (74.Bf8 Nd4 75.Kg3 Ne6–+) 74...Nd4 75.Kh4 (75.Bf8–+) 75...Ne6 76.Bb2 Nf4 77.Kg5 Ke4 78.Ba3 h4! 79.Kh4 Ne2 80.Kh3 Kf3 81.Bb4 d4 82.Bd2 Nc3 83.Kh4 (83.Be1 Ne4 84.Bb4 d3 85.Kh4 d2 86.Bd2 Nd2 87.Kh5 f4 88.Kg5 Ke4 89.Kf6 f3 90.Ke7 f2 91.Kd6 Nc4 92.Kc7 f1Q 93.Kd7 Kd5 94.Ke7 Ne5 95.Kd8 Kc6 96.Ke7 Qf7 97.Kd8 Qd7) 83...Ne4 84.Bc1 (84.Kh5 Nd2 85.Kg5 Ne4 86.Kg6 d3 87.Kf5 d2 88.Ke6 d1Q 89.Ke7 Qd5 90.Ke8 Qe6 91.Kf8 Qd7 92.Kg8 Ng5 93.Kf8 Qf7) 84...d3 85.Kh5 d2 86.Bd2 Nd2 87.Kg5 (87.Kg6 f4 88.Kf7 Ke3 89.Kf6 f3 90.Ke6 f2 91.Kd6 Kf3 92.Kd5 Kg3 93.Ke5 f1Q 94.Ke6 Qa6 95.Ke7 Kf4 96.Kd7 Nc4 97.Kc7 Qd6 98.Kc8 Qe7 99.Kb8 Nd6 100.Ka8 Qb7) 87…Ke4 (87...Ke4 88.Kf6 f4 89.Ke6 f3 90.Kd7 f2 91.Kd8 Kd3 92.Kd7 f1Q 93.Kd8 Qf7 94.Kc8 Ne4 95.Kd8 Kd4 96.Kc8 Nc5 97.Kd8 Qd7) 0–1. Bressy,Theo (2190) – Bujisho,B (2320), 20th St Lo Open, 2018. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Qa4 Na6 11.Bc3 Ne4 12.0-0 Nc3 13.dc3 d6 14.Qc2 c5 15.b5 Nc7 16.Nbd2 Qa5 17.Rc1 d5 18.cd5 Nd5 19.c4 Nb4 20.Qe4 Na2 21.Rf1 e6 22.Qh4 Qd8 23.e3 b6 24.Qe4 Nb4 25.Rd1 Qc7 26.Ne1 Rd8 27.Bf3?? (better is 27.Qg4=) 27...Bc3–+ 28.Nb1 Rd1 29.Bd1 Be1 30.Kf1 Bb7 31.Qh4 Bf2! 32.Kf2 Qe5 33.Qd8 Kg7 34.Nd2 Qf6 35.Qf6-/+ Kf6 36.Be2 Ke5 37.Bf1 f5 38.h4 h6 39.Be2 g5 40.hg5 hg5 41.Bf1 Nc2 42.Be2 f4 43.ef4 gf4 44.gf4 Kf4 45.Nb1 Ke5 46.Nc3 Kd6 47.Bd3 Nd4 48.Ke3 Bg2 49.Kf4 Bh3 50.Ne4 Ke7 51.Ng5 Bf5 52.Bf1 Kf6 53.Ne4 Ke7 54.Ng5 Kf6 55.Ne4 Be4 56.Ke4 Nf5 57.Bd3 Nd6 58.Kf4 e5 59.Ke3 Kg5 60.Bf1 Kg4 61.Be2 Kf5–+ 62.Bf1 e4 0–1. Shannon,Paul D – Grattan,Robert, corr, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Qa4 Ne4 11.0-0= Ba1 12.Qa1 Qb4 13.Qe5 Nd6 (13...Qc4? 14.d3 Qe6 15.Qb8+–) 14.c5 (14.Qe7 Re8 15.Qf6 Re6+=) 14...f6+= 15.Qe7?? (better is 15.Qc3 Qc3 16.Nc3+=) 15...Nf5–+ (15...Nf5 16.Qf8 Kf8–+) 0–1. Las Heras Aixandri,G (1645) – Estepa Fonseca,OM (1975), Barbera del Valles ESP, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Qa4 Ne4 11.d4 d5+= 12.cd5 cd5 13.0-0 (13.Nc3 Be6+=) 13...Bd7+= 14.Qb3 (14.Qa5 Qa5 15.ba5 Rc8+=) 14...e6 (14...Be6!?-/+) 15.Nc3+= Nc3 16.Bc3 Bb5 17.Qb2 Rc8 18.Rc1 Na6 (18...Nd7 19.e3+=) 19.e3 (19.Ne5 Bf8=) 19...Bf8+= Exerts pressure on the isolated pawn 20.Ne1 (20.Ra1 Be7+=) 20...Bb4!-/+ 21.Bb4 (21.h4 Kg7-/+) 21...Rc1 22.Qc1 Nb4 23.Qb1 Qa5 24.h4 Bc4 25.h5 b5–+ 26.e4 Nc6 27.ed5 ed5 28.Nf3 Qc3 29.Qd1 Kg7 30.g4? Bd3 31.Ne5? Ne5 32.de5 Bc4 33.Bd5 Qe5 34.h6? Kh6 35.Bc4 bc4 36.Qc1 Qg5 37.Qc4 f5 38.f3 fg4 39.fg4 Qd2 40.Qe4 Kg5 41.Qe7 Kg4 42.Qh7 Qe1 43.Kg2 Qg3 44.Kh1 Qh3 45.Qh3 Kh3 46.Kg1 g5 47.Kh1 g4 48.Kg1 0–1. Noguchi,K (2065) – Dableo,R (2430), Kuala Lumpur MAS, DYTM Open, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

10.Qb3 Na6 11.b5 cb5 12.Qb5 Qb5 13.cb5 Nc7 14.Nc3 Nfd5 15.Nd5+= Nd5 16.Bg7 Kg7 17.0-0 b6 18.Rc1+/– d6 ½–½. Jensen,Soren – Andersen,Dani (2050), AS04 Centenary, Copenhagen DEN, 2004.

10.Qb3 Na6 11.b5 Nc7 12.0-0=.

10.Qb3 Na6 11.b5 d5 12.Bd4 c5 ½–½. Luodonpaa,Martti (1830) – Ekelund,Kurt (1950), World Senior Teams +65, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.g3 0-0 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Qb3 Na6 11.Bc3 Ne4=+ 12.0-0 Nc3 13.dc3 d6 14.Nbd2 Bd7 (14...Bf5 15.Ra1=+) 15.e3 (15.Ra1 h6=+) 15...Rc8 (15...Ra8 16.Ra1=+) 16.h4 (16.Ng5 c5=) 16...c5 17.b5 Nc7 18.Ra1 e6 (18...Bf5 19.e4 Bd7 20.Qc2=+) 19.Ra3 (19.h5 d5=+) 19...d5 20.cd5 (20.cd5 ed5 21.c4=+; 20.Ng5 h6 21.Nh3 Rd8=+). ncc_1701 – Subedei, ChessWorld.net, 2005.

10.Qb3 Ne4 11.d4 Na6 12.b5 cb5 13.Qb5 Qb5 14.cb5 Nc7 15.Na3 Nd6 16.b6 Na8 17.Ne5 Nb6 18.Kd2 f6 19.Nd3 Nbc4 20.Nc4 Nc4 21.Kc3 Nd6 22.Rb1 f5 23.Nc5 b5 24.f4 h6 25.Bb2 Kf7 26.Bc1 Ke8 27.Kd3 Kd8 28.Bd2 Nc4 29.Bc3 d6 30.Nb7 Bb7 31.Bb7 Kc7 32.Rb5 Nb6 33.Bf3 Rb8 34.Ba5 e6 35.e4 Kc6? 36.Rb6+– Rb6 37.ef5 Kb5 38.Bb6 ef5 39.Bd8 1–0. Willim,M (2095) – Conrad,C (2220), Open A, Hamburg GER, 2005.

10.Qb3 Ne4 11.Bg7 Qf2-/+ (< 11...Kg7 12.0-0+=) 12.Kd1 Kg7 (12...Qg2 13.Rg1 Qh3 14.Bf8 Kf8 15.Qb2+/–) 13.Bh3? (13.Ne1 d5-/+) 13...Qb6 (better is 13...Qa7 14.Qb2 Kg8–+) 14.c5-/+ Qc7 15.Rf1 d5 16.Bc8 Qc8 17.d3 Qh3 18.Ke1 Nf6 19.Qc3 Nbd7 20.Nbd2 Kg8 21.e4 Qh6 22.Rf2 Qg7 23.e5 Ne8 24.d4 Nc7 25.Nb3 f6 26.Na5 Rb8 27.Qe3 Na6 28.ef6 ef6 29.b5 cb5 30.Re2 Nc7 31.Qf4 Ne8?? 32.Nb7?? Rc8 33.Nd6+/– Nd6 34.Qd6 Qf7 35.Re7 Re8+= 36.Re8 Qe8 37.Kf2 Qf7?? 38.c6+– Nb6 39.Qd8 (39.Qd8 Qf8 40.Qb6+–) 1–0. Walker,Du (1965) – Nickl,K (2145), 115th ch–SCO, Glasgow SCO, 2008.

10.Qb3 Ng4 11.c5 Qa6 12.Bg7 Kg7 13.Qb2 Kg8 14.d3 d5 15.0-0 Nd7 16.Nc3 Nde5? (better is 16...b6!?+/–) 17.Ra1 Nc4?? (better is 17...Nd3 18.Qb1 Qc4 19.Qd3 Qb4+–) 18.dc4 (better is 18.Qc1 Nce5 19.Ra6 ba6 20.Ne5 Ne5+–) 18...Qc4 19.h3 Nf6 20.e3 Bf5 21.Nd4 Bd7 22.Ra7 Rb8 23.Bf1 1–0. Boyd,John M (1890) – Cabrera,Claudio Tomas, 24. LSS No Engine Cup Preliminary, 2010.

10.Bc3 Ne4 11.0-0 Nc3 12.dc3 d6 13.Qc2 Be6 14.Nbd2 Qa6 15.Qd3 Qa3 16.Nd4 Bd7 17.N2b3 Qa6 18.Ra1 Qb6 19.c5 Qc7 20.Ra7 d5 21.b5 e5 22.Nc6 Bc6 23.bc6 Nc6 24.Ra4 d4 25.c4 Rb8 26.Bd5 b6 27.Qf3 Nd8 28.Rb4 bc5 29.Rb8 Qb8 30.Nc5 Qc7 31.Ne4 Ne6 32.h4 Qb6 33.Kg2 Qa7 34.h5 d3 35.hg6 hg6 36.Qd3 Kf8?? 37.Be6 fe6 38.Qf3 Kg8 39.c5 Bf8 40.Qf6 Bc5 41.Qg6 Kh8 42.Qh6 Kg8+– 43.Qe6 Kh7 44.Qf5 Kg8 45.Qc8 Bf8 46.Qe6 Qf7 47.Qe5 Be7 48.f4 Qh7 49.Ng5 Bg5 50.Qg5 Kf7 51.Qd5 Kf6 52.Qe5 Kg6 53.Qe4 (53.Qe4 Kg7 54.Qh7 Kh7 55.Kf3+–) 1–0. Di Lascio,Savino (1950) – Antonelli,Alessandro (1915), Alba Adriatica op, 2009. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

10.Bc3 Ne4 11.0-0 Nc3 12.dc3 d6 13.Qd3 Be6 14.Ng5 Bf5 15.e4 Bd7 16.Kh1 h6 17.Nh3 Be6 18.Nf4 Bg4 19.h3 Bc8 20.Ne2 Be6 21.Nf4 Bc8 22.Ne2 e5 (better is 22...Nd7!? 23.f4 Qa6=) 23.Qd6+= Be6 24.c5 Qa6 25.Qd2 Bf6 26.Ng1 Kg7 27.f4 Bc4 28.Rc1 Rd8 29.Qe1 Nd7 30.Nd2 Be6 31.Ndf3 Ra8 32.Rc2 (32.fe5 Ne5 33.Ne5 Be5+/–) 32...Qa4 33.Qd2 Qb3 34.Rb2 Qc4 35.fe5 Ne5 36.Nd4 Ra1 37.Ne6 Qe6 38.Kh2? (better is 38.Rc2+=) 38...Nc4–+ 39.Qe2 Nb2 40.Qb2 Ra2 41.Qb1 Bc3 42.Nf3 (42.Qd3 Qf6 43.b5 Bb4 44.bc6 Bc5–+) 42...Qc4 43.Qc1 (43.Nh4–+) 43...Rg2! 44.Kg2 Qe2 45.Kg1 Qf3 (45...Qf3 46.Kh2 Qe2 47.Kh1 Qe4 48.Kh2 Qe2 49.Kh1 Bd4–+) 0–1. Balague Camps (1840) – Meneses Gonzalez (2070), ESP–ch U14 Granada, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6)

7.ba5 Qa5

8.0-0 d6

9.Qb3 Na6 10.d4 Qh5 11.Nbd2 c5 12.d5 Bd7 13.e4 Nb4 14.a4 Bh3 15.Bc3 Ra6 16.a5 Rfa8 17.Bb4 cb4 18.Qb4 b6 19.Rab1 ba5 20.Qa3 Nd7 21.Rb7 Bf6 22.Rfb1 Bg4 23.Rc7 a4 ½–½. Plachetka – Kostic, Austria 1995.

9.d3 Nbd7 10.Nbd2 Nb6 11.a4 (11.Nb3 Qh5=+) 11...Na4=+ 12.Qc2 Bd7 13.Ra2 b5 14.Rfa1 Rfc8 15.d4 Qd8 16.Bc1 Nb6 17.e4 (17.Ra8!? Ra8 18.Ra8 Qa8 19.cb5 cb5 20.e4-/+) 17...Ra2–+ 18.Ra2 Nc4 19.Nc4 bc4 20.e5 Ne8 21.Ra7 d5 22.Ba3 Nc7 23.Bb4 Nb5 24.Ba5 Qe8 25.Rb7 Ra8 26.Qd2 Qc8 27.Rb6 c3! 28.Bc3 Qc7 29.Ba5 Qa7 30.h4 h6 31.e6 Be6 32.h5 Qa5 33.Rb8 Kh7 34.hg6 fg6 (34...fg6 35.Ra8 Qa8–+) 0–1. Jongsma,Alexander – Marovic,Drazen, IBM Amsterdam, 1968.

9.d3 Qh5 10.Nbd2 Na6 11.d4 Re8 12.a4 (12.e4!?=+) 12...e5-/+ 13.de5 de5 14.e4 Bg4 15.Ba3 Rad8 16.Qb3 Rd7 17.Rfe1 Bf8 (17...Red8 18.Qb6-/+) 18.Bf8=+ Rf8 19.Qb6 Rfd8 20.Ra2 Kg7 21.c5 Rd3 22.Qb7 Nc5 23.Qb6 Nce4 24.Ne4 Ne4 25.Re4? Bf3–+ 26.Re1 Bg2 27.Kg2 Qf3 28.Kg1 Rd1 (28...Rd1 29.Ra1 Ra1 30.Ra1 Rd1 31.Rd1 Qd1 32.Kg2 Qa4–+) 0–1. Soppe,G (2445) – Giaccio,A (2505), ch–ARG Najdorf mem, 1999.

9.d3 Qh5 10.Nbd2 Bh3 11.Qc2 Nbd7 12.Rfb1 Bg2 13.Kg2 Qa5 14.a4 Qc7 15.Ba3 b6 16.Nb3 Rfb8 17.a5 ba5 ½–½. Taimanov – Gligoric, Lvov 1962.

9.d3 Qh5 10.Nbd2 Bh3 11.e4 Bg2 12.Kg2 Nbd7 13.Nb3 b5 (13...Ra4 14.h3=) 14.Qe2 (14.cb5!? Qb5 15.Qc2=) 14...bc4=+ 15.dc4 Qg4 16.h3 Qe4 17.Qe4 Ne4 18.Bg7 Kg7 19.Rfe1 Ndf6 (19...d5 20.a4-/+) 20.Nfd4 c5 21.Nb5 Ra4 22.Rec1 Nd7 23.Rc2 Ne5 24.Re1 Nf6 25.Nd2 Rfa8 26.a3 Kf8 27.Re3 Nfd7 28.Rb3 Nc6 29.Nf3 Rb8 30.Rbc3 Rb7 31.Re3 Nde5 32.Re4 Nf3 33.Kf3 Ne5 34.Kg2 Rc4! 35.Rec4 Nc4 36.a4 Na5 37.Kf3 Ke8 38.Ke4 Kd7 39.Kd3 Rb6 40.Kc3 Nc6 41.Kd2 Ra6 42.Nc3 Nb4 43.Rc1 Kc6 44.Re1 e6 45.f4 d5 46.Rc1 c4 47.Rb1 Kc5 48.g4 f5 0–1. Mooney,David P – Littlewood,John Eric (2350), Chorley, 1977.

9.d4 Nbd7 10.Nbd2 Re8 11.Qb3 e5 12.Bc3 Qc7 13.de5 de5 14.Qb2 h6 15.e4 Nh7 16.a4 Nhf8 17.Bh3 Nc5 18.Bc8 Qc8 19.a5 (19.Be5? Nd3 (19...Na4 20.Ra4 Be5 21.Ra8 Bb2 22.Rc8 Rc8 23.Rb1+/–) 20.Bg7 Nb2 21.Bb2 Ne6–+) 19...Qg4 20.Ra3 (20.Be5? Nd3 21.Qb7 Ne5 (21...Be5?! 22.Ra3 Qe6 23.Rd3-/+) 22.Ne5 Be5–+) 20...Nfd7 21.Kg2 Rab8 (worse is 21...Ne4 22.h3 Qf5 23.Nh4+–) 22.Qc2 Ne6 23.Ng1 Nd4 24.Qd1 Qe6 25.Bd4 ed4 26.f4 Nc5 27.f5 Qd6 28.Raf3 Ne4 29.Ne4 Re4 30.fg6 fg6 31.Qb3 c5 32.Rf7 Re3 33.Qb5 Qc6 34.Qc6 bc6 35.a6? (35.Ra7 d3 36.a6 Rd8+=) 35...Ra3 (35...Ra8 36.Rb7 Ra6 37.Rb8 Kh7 38.Rf7 Ra2 39.Kh3+=) 36.Rd7 Ra6 37.Rff7 Bf8 38.Nf3 Ra2 39.Kh3 Rd8! 40.Ne5 (40.Rd8 Kf7 Deflection) 40...Rd7 41.Rd7 g5 42.Kg4 Rh2 43.Kf5 Rf2 44.Kg6 h5! 45.Kg5 (45.Kh5 Rf6 Combination) 45...Rg2 46.Kh5 Rg3 47.Nc6 Rh3 48.Kg4 Rc3 49.Ne5 Bg7 50.Rd8 Kh7 51.Rd7 Re3 52.Nf3 Kg6 53.Nh4 Kf6 54.Rd6 Re6 55.Re6 Ke6 56.Kf4 ½–½. Trzaska,Peter (2195) – Wolter,Kai (2340), Recklinghausen op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.ba5 Qa5)

9.h3 Nbd7 10.Nd4 Nb6 11.Bc3 Qc5 12.d3 Na4 13.e3 d5 14.Qb3 dc4 15.dc4 Nc3 16.Nc3 e5 17.Nde2 Qa5 (17...Ra3!? 18.Qb2 Ra7-/+) 18.Rfd1= Ra7 19.Rab1 Bf5 20.Rb2 Rd8 21.Rd8 Qd8 22.Na4 Nd7 23.Bf1 (23.Rd2!?=+) 23...Be6-/+ 24.Qd1 Bf6 (24...Bc4 25.Nb6 Be6 26.Nd7–+) 25.Nac3 (25.Nec3 Qa5=+) 25...Nc5 26.Qd8 Bd8 27.Nc1 Ba5 28.Nb1 Na4 29.Rc2 Nc5 30.g4 (30.Rb2 e4 31.Kg2-/+) 30...Kf8 31.Nd2 Bd2 (31...f5 32.Be2-/+) 32.Rd2=+ Ra4 33.Nb3 Nb3 34.ab3 Rb4 35.Rd3 Ke7 36.f4 e4 37.Rc3 Kd6 38.g5= b5 39.Bg2 bc4 40.bc4 Rc4 41.Rc4 Bc4 42.Be4 Be6 43.h4 Bf5 44.Bf3 c5 45.Kf2 c4 46.e4 Bd7 47.Ke3 Kc5 48.h5 ½–½. Castro Rojas,Oscar Humberto (2380) – Olafsson,Helgi (2370), Haifa ol (Men), 1976.

7.b5 cb5

8.cb5 d5 9.0-0 Nbd7 10.d3 Re8 11.Nbd2 a4 12.Qc2 e5 13.e4 a3 14.Bc3 Bf8 15.Rab1 (15.d4 Ne4 16.Ne4 de4 17.Ne5 Nf6=) 15...d4 16.Bb4 Bb4 17.Rb4 Nb6 18.Rc1 (18.Nc4 Nc4 19.Rc4 Qd6+=) 18...Bg4 (18...Be6 19.Nb3-/+) 19.Nc4+= Nc4 20.Rc4 (20.Qc4?? Rc8 21.Qc8 A) 21...Qc8?! 22.Rc8 Rc8 23.Rc4 (23.Ne5?? Rc1 24.Bf1 Bh3 25.Rb1 Rb1 26.Ng6 Rf1) 23...Rc4 24.dc4-/+; B) 21...Bc8–+) 20...Qd6 21.Rc7 (21.Qd2 Bd7+=) 21...Rec8 22.Nd2 (22.Qc5 Qc7 23.Qc7 Rc7 24.Rc7 Be6 25.Ne5 Ba2–+) 22...Be6-/+ 23.Rc8 Rc8 (worse is 23...Bc8 24.Nc4 Qc5 25.f4=) 24.Nc4 Bc4 (24...Qb4 25.Rb1 Qe7 26.Rc1-/+) 25.dc4 Qb4 26.Bf1 b6 27.f3 Rc7 28.Rb1 Qd6 29.Bd3 Nd7 30.Qa4 Kg7 31.Kg2 Qe7 (31...Nc5 32.Qc2-/+) 32.Be2 h5 33.Rb4 (33.Qa8!?-/+) 33...Nc5 34.Qa3 d3 35.Bd1 (35.Bf1-/+) 35...Qd6 (35...Ra7!? 36.Qb2 d2–+) 36.Qc3-/+ h4 37.Rb2 Ra7 38.Rd2 f6 (38...Ra8 39.gh4 Qf6 40.a4+=) 39.a4 g5 40.Be2 (40.Bc2 Rd7+=) 40...h3-/+ 41.Kf2 Ne4 42.fe4 Qc5 43.Kf3 de2 44.Re2?? (better is 44.Ke2 Ra4 45.Qd3 Qc4 46.Qc4 Rc4 47.Kf3-/+) 44...Ra4–+ 45.Re3 Rc4 46.Qa1?? (46.Qd2 Qc8 47.Qd6 g4 48.Kf2 Kg6 49.Qb6 Qd7–+) 46...Qc7 (46...g4 47.Kg4 Qe3 48.Qd1 Qe4 49.Kh3 Qh7 50.Kg2 Rc2 51.Kf3 Qh5 52.g4 e4 53.Ke4 Rc4 54.Ke3 Qh3 55.Ke2 Qg4 56.Kd3 Rd4 57.Kc2 Qd1 58.Kb2 Qd2 59.Ka3 Qc2 60.h4 Ra4) 47.Qa8? (47.Qa2–+) 47...Rc1 (better is 47...f5 48.Qd5 Rc5–+) 48.Kg4?? (better is 48.Qe8 Qf7 49.Qf7 Kf7 50.Kg4+=) 48...Qd7 49.Kh5 Rc8 0–1. Dragicevic,Draz (2285) – Naslund,M (2150), 44th Rilton Cup, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5)

8.cb5 d5 9.0-0 Bg4 10.d3 Nbd7 11.Nbd2 a4 12.Rb1 Ne8 13.Bg7 Ng7 14.Rb4 Bf3 15.Bf3 Nb6 16.e4 Qd6 17.a3 e6 18.Qa1 Rac8 19.Qb2 Rc7 20.d4 Rfc8 21.Bd1 Ne8 22.e5 Qe7 23.Nb1 Ng7 24.Qd2 Rc4 25.Rc4 Nc4 26.Qf4 Na3-/+ 27.Ba4 Qb4 28.Na3 Qa4 (28...Qa4 29.Rc1 Rc1 30.Qc1 Nf5-/+) 0–1. Smith,Douglas R (1945) – Gimenez,Dante Miguel (2000), corr ICCF EM/C/A020 ICCF Email, 1997.

8.cb5 d5 9.a4 Bg4 10.d3 Nbd7 11.Nbd2 Re8 12.Ne5 Ne5 13.Be5 ½–½. Ermeni,Avni (2285) – Zueger,Beat (2430), SUI, 1st Division, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5)

8.cb5 a4

9.0-0 Qa5 10.Na3 d5 11.Bc3 Qd8 12.Rb1 Nbd7 13.Rb4 Nb6 14.Bd4 Qd6 15.Qb1 Nfd7 16.Bg7 Kg7 17.Nc2 e5 18.d4 e4 19.Nd2 f5 20.f4 Nf6 21.Ne3 Bd7 22.Rc1 Rfc8 23.Rc8 Rc8 24.Nd1 Nc4-/+ 25.Nf1 Na3 26.Qb2 Rc4 27.Rc4 Nc4 28.Qc3 Bb5 29.e3 Qa3 30.Qa3 Na3 31.Nc3 Bc6 32.h3 b5 33.Nd2 b4 34.Nd1 Ne8 35.Bf1 Nd6 36.Kf2 Ndc4 37.Ke1 Kf6 38.h4? Bb5 39.Be2 Ke7 40.Bf1?? Kd6 0–1. Amirkhanov,Ro (2275) – Ozolin,M (2365), XXX Nezhmetdinov Mem, Kazan RUS, 2008.

9.0-0 Qb6 10.Na3 d5 11.Bd4 Qd6 12.Qc1 Nbd7 13.Qb2 Ne8 14.Bg7 Ng7 15.d4 Nb6 16.Rac1 Bf5 17.Rc5 Be4 18.Rfc1 Ne6 19.Nd2 Bg2 20.Kg2 Rfc8 21.Rc8 Nc8 22.e3 Nb6 23.Rc3 Qd7 24.Qc2 f6 25.Nf3 Nc8 26.e4 Nb6 27.e5 Rc8 28.Rc8 Qc8 29.Qc8 Nc8 30.ef6 ef6 31.Nb1 h5 32.Nc3 Nb6 33.Kf1 g5 34.Ke2 g4 35.Nh4 Nd4 36.Kd3 Ne6 37.Nf5 Kf8 38.Ne3 d4 39.Ned5 Nd7 40.Na4 f5 41.Nb2 Ne5 42.Ke2 h4 43.gh4 f4 44.a4 f3 45.Kd2 Nc5 46.a5 Nb3 47.Kc2 Na5 48.Nd3 Nac4 49.b6 Na3 50.Kd2 Nac4 51.Kc2 Na3 ½–½. Skalkotas,Nikolaos (2285) – Tzermiadianos,Andreas (2445), GRE–chT Poros, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5 7.b5 cb5 8.cb5 a4)

9.0-0 d5 10.Na3 Nbd7 11.Rc1 Ne8 (11...Re8!?=) 12.Bg7+= Kg7 13.Qc2 e5 14.Qb2 f6 15.Ne1 Nb6 16.f4 ef4 17.Rf4 Nc7 18.Nd3 Ne6 19.Rff1 Qd6 20.Qb4 Qb4 21.Nb4 Rd8 22.Nb1 Nd4 23.Nc3 Be6 24.e3 Nf5 25.Ne2 Rd7 26.Rc5 Ne7 27.Rfc1 Bf7 28.Rc7 Rad8 29.Kf2 Nc4 30.Rd7 Rd7 31.d3 Ne5 32.h3 Kf8 33.Rc3 Nf5 34.Nd4 Nd6 35.Ra3 Rc7 36.Ra4 Rc5 37.Ra8 Ke7 38.a4 Nd7 39.Ke2 Nb6 40.Rh8 Na4+= 41.Rh7 Nb5? 42.Nb5+– Rb5 43.Nd5 Kf8 44.Nf6 Rb2 45.Kf3 Nc3 46.Nd7 Kg8+/– 47.Nf6 Kf8 48.g4 b5 49.Nd7 Kg8 50.Nf6 Kf8 51.h4 b4 52.h5 gh5 53.gh5 Nd1 54.Kg3 Ne3 55.Be4 b3 56.h6 Nf1 57.Kf4 Rh2 58.Nd7 Ke8 59.Ne5 Rf2 60.Kg5 Nd2 61.Bc6 Ke7 62.Nf7 b2 63.Ne5 Ke6 64.Rb7 b1Q 65.Rb1 Nb1 66.Bf3 Rb2 67.h7 Rb8 68.Ng6 Nd2 69.Bg4 Kd6 70.Kf6 Nb3 71.Be6 Nc5 72.Bg8 Nd7 73.Kg7 1–0. Schneider,Lars Ake (2445) – Agdestein,Simen (2400), Nordic–ch Esbjerg, 1983.

9.0-0 d5 10.d3 Qa5 11.Na3 Bg4 12.h3 Bf3 13.Bf3 Nbd7 14.Qe1 Qe1 15.Rfe1 e6 16.Rac1 Rfc8 17.Rc8 Rc8 18.Rc1 Rc1 19.Bc1 Ne8 20.e4 de4 21.de4 Nd6 22.Bf4 e5 23.Be3 Nf6 24.Bd1 Nfe4 25.Ba4 Nc3 26.Bb3 Ncb5 27.Nb5 Nb5 28.Bd5 Nc3 29.Bb7 Na2 30.Bd2 Bf8 31.Bd5 (31.f4 ef4 32.Bf4 Nc3+=) 31...Bb4-/+ 32.Ba2 ½–½. Schneider,Lars Ake (2440) – Moberg,Karl Johan (2335), SWE–ch Haparanda, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5)

9.0-0 d6 10.d3 Nbd7 11.Na3 Nc5 12.Qd2 Be6 13.Ng5 Bf5 14.e4 ½–½. Schneider,Lars Ake (2385) – Cramling,Pia (2535), SWE–chT, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5 8.cb5 a4)

9.a3 Qb6 10.Nd4 (10.Nc3!?=) 10...e5 11.Nf3 Ne4 12.d4 Qb5 13.Qc2 Nc6 14.Ne5 Ne5 15.Be4 Nc4 16.Bc3 d5 17.Bg2 Bf5 18.Qd1 Rfe8 19.0-0 Nb2 20.Qc1 Re2 21.Bb2 Qb2 22.Nc3 Qc1 23.Rac1 Rb2 24.Nd5 Bd3 25.Rfd1 Be2 26.Rb1 Bd1 27.Rb2 Bb3 28.Rd2 Rd8 29.Nc3 Bf8 30.d5 Ba3 31.Nb5 Bc5 32.d6 b6 33.Be4? (33.Bd5 Bd5 34.Rd5 f5–+) 33...Be6 (33...a3 34.Na3 Ba3 35.d7–+) 34.Bc6 a3 35.Nc7 (35.Bd5 Bd7 36.Bc4–+) 35...Bc4 (worse is 35...Rd6 36.Bd5 Kf8 37.Kf1–+) 36.Rd1 (36.d7 a2 37.Ra2 Ba2–+) 36...a2 (better is 36...Rd6 37.Bd5 a2–+) 37.Kg2 (37.d7 Bd4!–+) 37...Bd4! 38.Rd4 Bf1!! (38...Bf1 39.Kf1 a1Q 40.Kg2 Qd4–+) 0–1. Lyngsjo,Gert – Modig,Benny, SVE–chA G–439 corr9092, 1990. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5 8.cb5 a4)

9.Na3 d5 10.0-0 Qd6 11.Rb1 Ne4 12.Bg7 Kg7 13.Qc1 Nd7 14.Qb2 Kg8 15.Rfc1 Nb6 16.d3 Nf6 17.Nc2 Bd7 18.Qe5 Rac8 19.Qd6 ed6 20.Na3 Rfe8 21.Kf1 Rc5 22.Rc5 dc5 23.Rc1 Rc8 24.Nd2 Be6 25.Rc2 Kf8 26.e4 Ke7 27.Ke2 h5 28.h3 h4 29.g4 g5 30.Nf3 Nh7 31.Rb2 f6 32.Nc2 de4-/+ 33.de4 Nc4 34.Rb1 Nf8 35.Ke1 Ng6 36.Bf1 Nf4 37.Ne3 Ne3 38.fe3 Ng6 39.Rb2 b6 40.Nd2 Ne5 41.Nb1 Rd8 42.Rc2 Ra8 43.Be2 Bc8 44.Nc3+= Be6 45.Nb1 Nf7 46.Nc3 Nd6 47.Kf2 a3 48.Ke1 Ra5 49.Kf2 c4 50.Nd5 Bd5 51.ed5 Rb5 52.Bc4 Ne4 53.Ke2 Rb2–+ 54.Bd3 Nc3 55.Kd2 Nd5 56.Be4 Kd6 57.Bf5 b5 0–1. Martinsen,Stig K (2135) – Sawatzki,Frank (2370), Dresden ZMD op, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5 8.cb5 a4)

9.Na3 d5 10.0-0 Qd6 11.Nc2 Re8 12.Be5 Qb6 13.Rb1 Nbd7 14.Bd4 Qd6 15.Bb2 e5 16.d4 e4 17.Ne5 Qe6 18.f4 (18.a3!?=) 18...Qb6-/+ 19.Ba3 Ra5 20.Ne3 Rb5 21.Rb5 Qb5 22.Qc2 Ne5 23.fe5 Ng4 24.Ng4 Bg4 25.Rb1 Qe2–+ 26.Qe2 Be2 27.Rb7 f6 28.ef6 Bf6 29.Bc5 Bc4 30.Kf2 Ba2 31.Ra7 Bb3 32.Bh3 e3 33.Ke1 Re4 34.Bg2?? Rd4 35.Ra8 Kg7 36.Bd4 Bd4 37.Bf3 Bc3 38.Kf1 d4 39.Be2 Bb2 40.Rb8 Kh6 41.Bd3 a3 0–1. Bernard,Christophe (2330) – Degraeve,Jean Marc (2320), FRA–ch Rouen, 1987.

9.Na3 d6 10.0-0 Nbd7 (10...e5 11.d3=) 11.d3 (11.Rc1 e5=) 11...Nc5 (11...Nb6 12.e3=) 12.Qc2 (12.Qd2 Bd7=) 12...Bd7 13.Rad1 (13.Rac1 Rc8 14.Qd2 Qb6=) 13...Qb6 (13...Rc8 14.Qd2=) 14.Qb1 (14.Nd2 Rfc8= (14...Bb5? 15.Rb1+–)) 14...Rfc8 (14...Ne6 15.Nd2=) 15.Nd2 (15.Bf6 Bf6 16.d4 Ne6=) 15...Qa7 (15...Bg4 16.Ndc4 Qd8 17.Rfe1=) 16.Ndc4 Be6 (16...Bg4 17.Rfe1=) 17.Ne3 Ncd7 18.Nac2 Nb6 19.Bd4 Ne8 (19...Rc7 20.Na3=) 20.Bg7+= Ng7 (20...Kg7 21.Rc1+=) 21.Na3 (21.Rc1 Rc3+=) 21...Rc7 22.Rc1 Rac8 23.Rc7 Rc7 24.Qb2 Qb8 (24...Nf5 25.Rc1 Qb8 26.Rc7 Qc7 27.Nac2+=) 25.Qd2 (25.Qb4 Rc8=) 25...Rc8= 26.Rb1 (26.d4 Qc7=) ½–½. Keene,Raymond D – Jakobsen,Ole, Orebro Stud olm fA, SWE, 1966.

8.cb5 Qb6

9.Nc3 d5 10.e3 (10.Qb3 Ne4 11.0-0 Be6+=) 10...Bg4 11.Qa4 Bf3 (11...Nbd7 12.Nd5 Nd5 13.Bg7 Kg7 14.Qg4=) 12.Bf3 e6 13.0-0 Nbd7 14.d4 Rfc8 15.Be2 (15.Rac1 Qd8=) 15...Qd8+= 16.Qb3 Nb6 17.Rfc1?? (better is 17.a4=) 17...a4–+ (17...a4 18.Na4 Ra4–+) 0–1. Kunow,Frank (1920) – Gutman,Lev (2450), Luneburg Schach Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5 8.cb5 Qb6)

9.Nc3 Ne4 10.0-0 Nc3 11.Bc3 Bc3 12.dc3 Qb5 13.Nd4=.

9.Bf6 ef6 10.Nc3+=.

9.Bf6 Bf6 10.Nc3 Bc3 11.dc3 Qb5 12.0-0 Nc6 13.Rb1 Qc4 14.Qd2 ½–½. Michalek,Franz – Bigge,Matthias, Ruhrgebiet VK3, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 a5 7.b5 cb5 8.cb5 Qb6)

9.a4 Ne4

10.d4 d5

11.0-0 Nc6 12.Nbd2 Nb4 13.Nb3 Bf5= 14.Ne1 (14.Nfd2 Nf6=) 14...Rfc8=+ 15.f3 (15.g4!? Be6 16.e3=+) 15...Nd6-/+ 16.Rf2 (16.Ba3 Rc4 17.Qd2 Bd4 18.Nd4 Rd4–+) 16...Nc2–+ 17.Rc1 Ne3 18.Rc8 Rc8 (18...Nc8?! 19.Qc1 Ng2 20.Ng2=) 19.Qa1 Ndc4 20.Bc3 h5 21.Nd3 Nc2 22.Qd1 Nd4–+ 23.Nf4 Nb3 24.Bg7 Kg7 25.Qb3 Qd4 26.Nd5-/+ Qd5 27.e4 Be4! 28.fe4 Qd4 29.Bh3 Rc5–+ 0–1. De Wit,T (2255) – Aliavdin,N (2370), Czech Open A, Pardubice CZE, 2009.

11.0-0 Nc6 12.Nbd2 Nb4 13.Ne5 Bf5 14.Ne4 de4 15.Nc4 Qe6 16.Ne3 Rad8 17.Qd2 Bh6 18.Bc3 Nd5 19.Ba5 Ne3 20.fe3 Qb3 21.Bc3 Rc8 22.Rfc1 Rc4 23.Rab1 Qa4 24.Kf2 Rfc8 25.Qb2 Qa7 26.b6 Qa4 27.g4 Bg4 28.Be4 Qd7 29.Bd2 Bf5! 30.Rc4 Rc4 31.Bf3 Rc2 32.Qb5 Qd6 33.Rh1 Rd2 34.Bb7 Be3 35.Ke3 Qd4 36.Kf3 Bg4 37.Kg3 Qe3! 38.Bf3 Bf3 0–1. Szabo – Ligterink, Amsterdam 1976.

11.0-0 Nd7 12.Qb3 Ndf6 13.Na3 Bg4 14.Rfd1 Qe6 15.Nc2 Bh3 16.Nce1 Rac8 17.Nd3 Bh6 18.e3 Rc4 19.Nfe5 Bg2 20.Kg2 Rfc8 21.Rac1 Rc1 22.Rc1 Rc1 23.Bc1 Ng5 24.Nf4 Qc8 25.Bd2 b6 26.f3 Ne6 27.Ne6 Qe6 28.Ba5 Ne8 29.Bb4 f6 30.Ng4 Bf8 31.e4 Nc7 32.Bc3 f5 33.Ne5 fe4 34.fe4 Bg7 35.a5 Be5 36.de5 Qg4 37.Kf2 Qe4 38.ab6 Qh1 39.bc7 Qh2 40.Ke3 Qg3 41.Kd2 1–0. Nybaeck,Tomi – Kivipelto,Kaj Erik, 2001.

11.0-0 Nd7 12.Nbd2 f5 13.e3 Qe6 14.Ne4 fe4 15.Nd2 Nf6 16.Qb3 Bd7 17.f3 ef3 18.Nf3 Ne4 19.Ng5 Ng5 20.Bd5 Rf1 21.Rf1 Rd8 22.h4 Bc8 23.Be6 Be6 24.Qa3 1–0. Oslon – Gruenfeld, Israel 1997.

11.0-0 Bg4 12.Ne5 Be6 13.Nd2 Nd2 14.Qd2 Rd8 15.e3 Nd7 16.Rac1 Qd6 17.Nd7 Qd7 18.Rc3 Bh3 19.Rfc1 Bg2 20.Kg2 h5 (better is 20...Qe8!?+=) 21.Rc7+– Qe6 22.h4 (22.Rb7 Rdc8+–) 22...g5? (better is 22...Rd7+=) 23.hg5+– (worse is 23.Rb7 gh4 24.gh4 Rdc8+/–) 23...h4 24.Qe2 hg3 25.fg3 Rdc8 26.b6 (26.Rb7?! Rc1 27.Bc1 Qc8 28.Re7 Qc1=) 26...Rd8 27.Rb7 Bf8 28.Qd3 Rd6? (better is 28...Rab8!? 29.Rbc7 Rb6+/–) 29.Rh1+– Qg6 (29...Bg7 30.Ba3 Rd7 31.Rd7 Qd7 32.Qh7 Kf8 33.g6+–) 30.Qg6 ½–½. Stucke,Christian – Roski,Ferdinand (2205), Passau op 7th, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 a5 7.b5 cb5 8.cb5 Qb6)

11.Qb3 Rd8 12.Nbd2 Nd2.

11.Nbd2 Nd2 12.Qd2+= (< 12.Kd2 Nc6-/+) 12...Bf5 13.Ne5 Rd8 14.Ba3 Qe6 15.0-0 Nd7 (< 15...Be5 16.de5 Qe5 17.Rac1+–) 16.Nd7 Qd7 17.Rfc1 Rdc8 18.Bc5 Qe6 19.b6 Qd7 20.Ra3 Bf6 21.e3 h5 22.Qa2 Be4 23.f3 Bf5 24.f4 (24.Bf1 e5 25.de5 Be5=) 24...Rd8=+ 25.Rac3 h4 26.Ba3 Qe6 27.Bc5 ½–½. Salminen,Jussi (1990) – Cross,Gregory W (2105), Finland – USA, server, 2009.

11.Nbd2 Bf5 12.0-0 Nd7 13.e3 Ndf6 14.Rc1 Rfc8 15.Qb3 e6 16.Ba3 Bf8 17.Bf8 Kf8 18.Ne4 Be4 19.Ne5 Bg2 20.Qa3 Ke8 21.Kg2 Ne4 22.Qf8 Kf8 23.Nd7 Ke8 24.Nb6 Rc1 25.Rc1 Rb8 26.Rc7 h5 27.Nd7 Rd8 28.Ne5 Nd6 29.g4 hg4 30.Ng4 Kf8 31.Kf3 Kg7 32.Ne5 Kf6 1–0. Cordara – Berni, corr, 1984. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 cb5 8.cb5 Qb6 9.a4 Ne4 10.d4 d5)

7.b5 d5

8.0-0 dc4 9.bc6 Nc6 10.Na3 Be6 11.Ng5 Bd7 (better is 11...Bd5!?-/+) 12.Nc4= b5 13.Na3 Rb8 14.d4 e6 15.e4 Qb6 16.Nc2 h6 17.Nh3 Rfd8 18.Nf4 Ne8 19.Rb1 Ne7 20.Ne3 b4 21.d5 Bb5 22.Re1 Rbc8 23.e5 ed5= 24.Bd4 Qc6 25.h4 Bc4 26.Rb2 Qb5-/+ 27.e6 Nc6 28.ef7+= Kf7 29.Bg7 Ng7 30.Qg4 Ne5=+ 31.Qd1 Nd3 32.Nd3+= Bd3 33.Qf3 Kg8 34.Nd5 Rf8 35.Qe3 Rce8= 36.Ne7?? Re7!–+ 37.Qe7 Re8 38.Qc7 Re1 39.Kh2 Bf5 40.Rd2 Qe5 41.Rd8 Kh7 42.Qf7 Be6 43.Qf8 g5 44.hg5 Qg5 45.Qh8 Kg6 46.Bf3 Qf5 (46...Qf5 47.Qh6 Kh6 48.Rh8 Kg5 49.Kg2 Qf3 50.Kf3 Bd5) 0–1. Ree,Hans – Tatai,Stefano, IBM Amsterdam, 1969.

8.Na3 cb5 9.cb5 Nbd7 10.0-0 Re8 11.Rc1 e5 12.d3 b6 13.Qc2 Bf8 14.Qc7 Qc7 15.Rc7 Bd6 16.Rc6 Bb8 17.Rfc1 Bb7 18.Bh3 h5 (18...a4 19.d4 e4 20.Ne5+=) 19.d4 Ng4 (19...Bc6? 20.bc6 Nf8 21.de5+–) 20.de5 (20.R6c2 e4 21.Nd2 Bd6=) 20...Bc6= 21.bc6 Nc5 22.Nb5 Rc8 23.Bg2 Rc6 24.h3 Nh6 25.Ng5+– Rc8 26.Bd5 Ra7 27.Na7 Ba7 28.e6 (28.e6 Kf8 29.ef7+– (29.Nf7?! Nf7 30.ef7 Rd8+–)) 1–0. Flores,Di (2510) – Lujan,C (2415), Corporacion del Sur A, 2006.

8.a4 dc4 9.Na3 Be6 10.0-0 Bd5 11.Rc1 cb5 12.ab5 Nbd7 13.Nc4 a4 14.d3 Nc5 15.Ba3 Nb3 16.Rc2 Rc8 17.Bh3 Ra8 18.Nfe5 Re8 19.e3 Bc4 20.Nc4 Nd5 21.d4 Nc7 22.b6 Nd5 23.Bg2 Rb8 24.Bc5 Nc5 25.dc5 Nb4 26.Rc1 Nd3 27.Qa4+/– Nc1 28.Rc1 Qc8 29.Na5 Rd8? 30.h4?? Rd2 31.Nb7+/– Be5? 32.Qe4+– f6? 33.c6 Rb7 34.Qc4 Kg7 35.cb7 Qf5 36.Rf1 Rc2 37.Qb4 Qd7 38.Be4 Ra2 39.Qc5 Rb2 40.Qe5! (40.Qe5 Rb6 41.b8Q Rb8 42.Qb8+–) 1–0. Tu Hoang Thong (2505) – Nguyen Van Huy (2410), 2nd Dragon Capital, Ho Chi Minh City VIE, 2009.

8.a4 dc4 9.Na3 Be6 10.Rc1 cb5 11.ab5 Qb6 (11...a4 12.0-0+=) 12.0-0 (12.Bd4 Qc7=) 12...Nbd7 (12...Rc8 13.Qa4 Nbd7 14.Nc4 Bc4 15.Rc4=) 13.Ng5 (13.Bd4 Qd6 14.Nc4 Qb4=) 13...Bd5 14.e4 h6 15.ed5 hg5 16.Qa4 Qd6 Attacking the isolated pawn on d5 (16...c3!? 17.dc3 Nc5=) 17.Nc4+= (worse is 17.Qc4 Nb6 18.Qc7 Ne8+=) 17...Nb6 The pressure on the isolated pawn grows 18.Nb6 Qb6 19.Ba3 Rfe8 (19...Rae8 20.Rfe1 Qd8 21.b6+/–) 20.Rfe1 e6 (20...Bf8!?+/–) 21.Bc5 Qd8 22.de6 Qd2?? (better is 22...Re6 23.Re6 fe6 24.Bb7 Rb8+–) 23.ef7 Kf7 (23...Kh7 24.fe8R Re8+–) 24.Qc4 (24.Qc4 Qd5 25.Bd5 Re6 26.Be6 Ke8 27.Bf5 Ne4 28.Re4 Kd8 29.Bb6; 24.Qb3 Qd5 25.Bd5 Re6 26.Be6 Ke8 27.Bf5 Ne4 28.Re4 Kd8 29.Bb6) 1–0. Remlinger,Larry (2300) – Banik,Siddharth G (2000), Bay Area International, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 d5)

8.a4 dc4 9.Na3 Be6 10.Rc1 cb5 11.ab5 Nbd7 12.Nc4 (12.Ng5 Bd5 13.Bd5 Nd5 14.Bg7 Kg7 15.Nc4 a4+=) 12...Nb6 Black plans a4 (12...a4 13.0-0+=) 13.Ne3 a4 14.Nd4 (14.0-0!?+=) 14...Bd5-/+ 15.Nd5 Nfd5 16.Ba1 Qd7 17.0-0 a3 18.Qb3 Ra4 19.Nc2 Rfa8 20.e4 Nf6 21.Bc3 Ne4 22.Be4 Re4 23.Na3 Qh3 (23...Bc3!? 24.dc3 Na4-/+) 24.Rfe1+= Raa4 (24...Re1 25.Re1 Qd7 26.Nc4=) 25.Re4= Re4 26.Bg7 Kg7 27.Qf3 (27.Qc3 f6 28.Qc5 Qe6+=) 27...Qe6 (27...Re5!?-/+) 28.Rc7= f6 (28...Na4 29.Rb7 Qd5 30.Kg2 Qb7 31.d3=) 29.Rb7+= Qd5 30.Rb6?? (better is 30.Kg2 Qb7 31.d3+=) 30...Re1-/+ 31.Kg2 Rg1 32.Kg1 Qf3 33.Nc4 Qd5 34.Ne3 Qd2 35.Rc6 (35.Rb7 Qe1 36.Kg2 Qb4-/+) 35...Qe1–+ 36.Kg2 Qa5 37.b6?? (better is 37.Rc5–+) 37...Qa8 0–1. Fan,Allen Chi Zhou (1865) – Ang,Alphaeus Wei Ern (2105), 43rd North Shore Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 d5)

8.a4 Bf5 9.0-0 (9.cd5 cd5 10.0-0 Qd7=) 9...Qb6 (9...dc4 10.bc6 Nc6 11.Na3=) 10.Na3 Nbd7 11.d3 Bg4 12.Rb1 Qc5 13.bc6 bc6 14.cd5 Nd5 15.Rc1 Qb4 16.Bg7 Kg7 17.Nc4 Bf3 18.Bf3 (worse is 18.ef3 Nc5 19.Ne5 Na4 20.Nc6 Qb5=) 18...Rfd8 19.Kg2 f6 (19...Ra6 20.Qc2+=) 20.Rb1+/– Qc5 21.Qd2 Qa7 22.Rfc1 Nf8 23.Ne3 Nb4 (23...Qd7 24.Nd5 cd5 25.Rb5+/–) 24.Bc6 Rac8 25.Be4 (25.Bf3 Qd4+/–) 25...Rc1 26.Qc1 Ne6 27.Nc2 Rc8 28.Qe3 Qe3 29.Ne3 (29.fe3?? Rc2 (worse is 29...Nc2 30.Kf2–+) 30.Bf3 Nd3–+) 29...Nd4 30.Nc4 Rc5 31.Na5! Ra5 32.Rb4 Ne2 33.d4 e5 34.Rb7 Kh6 35.de5 Re5 36.Bd3 Nd4 (36...Nc3 37.Rb4+–) 37.h4 Ra5 38.Bc4 Nf5 39.Bg8 Ng7 40.Bb3 Nh5 (40...Nf5 41.Rb5 Ra6 42.Rd5+–) 41.g4 Nf4 42.Kf3 g5 (42...Nd5+–) 43.Bg8 Ra4 44.Rh7 Kg6 45.h5 Nh5 46.gh5 (46.Rh5?! Rf4 47.Kg3 Rg4 48.Kg4 f5 49.Kf3 Kh5+–) 46...Kf5 47.Bb3 Rf4 48.Kg2 Rg4 49.Kf1 Rh4 50.Bc2 Ke5 51.h6 f5 52.Re7 (better is 52.Rf7!? Rh6 53.Rf5 Ke6 54.Rg5 Kf6+–) 52...Kf6 53.Ra7 Rh2 (53...Rh6 54.Ra6 Kg7 55.Rh6 Kh6 56.Bf5+–) 54.h7 Kg6 55.Ke2 1–0. NoSkillPawn (2025) – GnuCheese (2430), FICS, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 a5 7.b5 d5)

8.bc6 bc6 9.0-0 Ba6 10.Na3 Nbd7 11.Bc3 e5 12.Ne5 Ne5 13.Be5 Qe7 14.Bb2 Rab8 15.Qc2 Qe2 16.Rfe1 Qh5 17.h3 Qf5 18.Qf5+= gf5 19.Be5 Ne4 20.Bg7 Kg7 21.d3 Nc5 22.cd5 Nd3 23.Re7 cd5 24.Bd5 Rb2 25.Ra7 Nb4 26.Bb3 f4 27.g4 h5 28.Rb1 Rd2 29.Bc4 Bc4 30.Nc4 Rc2 31.Ne5 Re8 32.Ra5 Ra2 33.Ra2 Na2 34.Rb5 hg4 35.Ng4 Kg6 36.Kg2 Nc3 37.Ra5 Ne4 38.h4 Rh8 39.Kf3 f5 40.Ra6 Kg7 41.Ra7 Kg6 42.Ra6 Kg7 43.Kf4 fg4 44.Ke4 Rf8 45.Ke3 Rf3 46.Ke2 Rh3 47.Kf1 Rh4 48.Kg2 g3 49.Kg3+– Rb4 50.f4 Kf7 51.Kg4 Rb5 52.Rh6 Ra5 53.Rh5 Rh5= 54.Kh5 Kf6 55.Kg4 Kg6 56.Kh3 ½–½. Haub,TM (2465) – Laurent,B (2345), 26th Metz Open, Metz St Symphorien FRA, 2008.

8.bc6 bc6 9.0-0 Ba6 10.cd5 cd5 11.d3 Nc6 12.Ne5 Ne5 13.Be5 e6 14.Qd2 Ne4 15.Qb2 (worse is 15.Be4 Be5 (15...de4?! 16.Bg7 Kg7 17.d4=) 16.d4 Be2-/+) 15...Rb8 16.Qb8 Qb8 17.Bb8 Rb8 18.Na3? (better is 18.de4!? Ba1 19.ed5+=) 18...Ba1-/+ 19.de4 Bb2 20.Rb1 de4 21.Bf1 Rb7 22.Nc2 (22.Nb5!?–+) 22...a4 23.e3 Bd3 24.Bd3 ed3 25.Na3? (25.Nd4–+) 25...Rb4 (25...Ba3?! 26.Rb7 d2 27.Rd7+=) 26.Nc4 Rc4 27.Rb2 Rc2 28.Rb8 Kg7 29.Rd8 d2 (29...Ra2?! 30.Rd3 h5 31.Kg2–+) 30.Kf1 Ra2 31.f3 (31.Ke2 a3 32.Ra8 g5–+) 31...a3 32.h3 (32.Ke2 Rb2 33.Ra8–+) 32...Ra1 33.Ke2 d1Q! 34.Rd1 Rd1 35.Kd1 a2 0–1. Szith,Gregor – Nickl,Klaus (2140), Graz op, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 d5)

8.bc6 bc6 9.Qc1 Ba6 10.d3 Nbd7 11.Nbd2 Rc8 12.0-0 Re8 13.Bc3 Ng4 14.Bg7 Kg7 15.Qa3 e5 16.cd5 cd5 17.Nb3 Rc2 18.Ne1 Re2 19.Bf3 Rf2 20.Bg4 Rf1 21.Kf1 e4 22.Bd7 Qd7 23.Qa5 Qh3 24.Kg1 ed3 25.Nd4 Re2 26.Ne2 de2 27.Ng2 Qe6 28.Qc3 f6 29.Qd4 Bc4 30.a4 g5 31.a5 Ba6 32.Qb6 Qe5 33.Re1 Bc4 34.a6 d4 35.a7 Bd5 36.Qa6 Bg2 37.Re2 Qc5 38.Kg2 Qd5 39.Kg1 d3 40.a8Q (40.a8Q de2 41.Qd5 e1Q 42.Kg2+–) 1–0. Fauland,A (2405) – Nickl,K (2160), Open A, Oberwart AUT, 2010.

8.bc6 Nc6 9.Na3 Re8 10.cd5 Nd5 11.Bg7 Kg7 12.0-0 e5 13.d3 Bg4 14.Qb3 Re7 15.h3 Bc8 16.Rfc1 f6 17.Qc4 Be6 18.Qb5 Ncb4 19.Nd2 Bd7 20.Qc4 Rc8 21.Qb3 Rc1 22.Rc1 Be6 23.Ndc4 Nb6 24.Qb2 Nc4 25.Nc4 b5 26.a3 bc4 27.ab4 cd3 28.ed3 ab4 29.Qb4 Rd7 30.Ra1 Rd3 31.Ra8 Qd6 32.Ra7 Bd7 33.Qa4 Rd4 34.Qc6 0–1. Brooks – Morihama, IECC 1997.

8.bc6 Nc6 9.cd5 Nd5 10.Bg7 Kg7 11.0-0 e5 12.d3 Be6 13.Qd2 f6 14.Rc1 Qe7 15.e4 Ndb4 16.a3 Na6 17.d4 ed4 18.Nd4 Nd4 19.Qd4 Rac8 20.Nc3 Nc5 21.Nd5 Bd5 22.Qd5 Rfd8 23.Qa2 a4 24.Qe2 Nb3 25.Rc8 Rc8 26.Rd1 Rc7 27.Qb5 Qa3 28.e5 Qe7 29.Qa4 Nc5 30.ef6 Qf6 31.Qb5 b6 32.h4 Rf7 33.Qe2 Re7 34.Qg4 Qc3 35.Kh2 Qf6 36.h5 Re5 37.hg6 hg6 38.Kg1 Re6 39.Bf3 Qf5 40.Qf5 gf5 41.Rd5 Kf6 42.Kg2 Re5 43.Rd6 Re6 44.Rd8 Ke7 45.Ra8 Kd6 46.Rf8 Ke5 47.Bh5 Rf6 48.f4 Ke6 49.Re8 Kd5 50.Re5 Kd4 51.Be8 ½–½. Chabanon – Mrdja, Asti 1996.

8.bc6 Nc6 9.cd5 Nd5 10.Bg7 Kg7 11.0-0 Re8 12.Qb3 (12.d4 Bg4=) 12...e5 13.Nc3 Nc3 14.Qc3 (14.dc3 a4 15.Qb2 Qc7=) 14...Bg4 15.Qb2 Bf3 (15...Qf6 16.d3= (16.Qb7? Reb8 17.Qc6 Qc6 18.Ne5 Qe6 19.Ng4 Qg4–+)) 16.Bf3 Nd4 17.Rfe1 (17.Bb7? Rb8 18.e3 Nf5–+) 17...Rc8 18.Be4 (18.Bb7? Rb8–+) 18...f5 19.e3 (19.Bd3 e4 20.e3 ed3 21.ed4 Qd5 22.Re8 Re8=+) 19...fe4-/+ 20.ed4 ed4 21.Qb7 Rc7 22.Qb2 Qf6 (22...Rce7 23.Rac1 Qd5 24.Qa3=+) 23.Rac1 (23.d3 e3=+) 23...Rc1-/+ 24.Rc1 Rf8 25.Rf1 (25.d3 ed3 26.Rc5 Re8 27.Rc7 Kh8=+) 25...Qe5 26.Re1 Qf6 27.Rf1 Qe5 28.Re1 Qf6 (28...Qd5!?-/+) 29.Rf1= ½–½. Brooks,Mark (1890) – Surender,Anil (1890), IECC, 1998.

8.Na3 dc4

9.0-0 cb5 10.Nb5 a4 11.Na3 Be6 12.Ne5 Bd5 13.Bd5 Qd5 14.Nec4 Ra6 15.Bf6 Bf6 16.Rb1 Nc6 17.Rb5 Qd7 18.e3 Rd8 19.Qb1 Ra7 20.Qe4 e5 21.Rfb1 Be7=+ 22.Nb6 Qd2= 23.Nac4 Qe2 24.Nd5 Bf8 25.Rb7?? Rb7–+ 26.Nf6 Kg7 27.Rb7 Rd1 28.Kg2 Qf1 29.Kf3 Qh1 30.Kg4 h5 31.Kh3? Qf1 32.Kh4 Qf2 33.Ne8 Kh7 34.Rb2 Qf1 35.Rg2 Nd4! 36.Ne5 Be7 37.Kh3 Ne2 38.Nf3 Rd2 39.Qe7-/+ Qf3 40.Nf6 Kg7 41.Ne8 Kh6 42.Qf8 Kg5 43.Qc5 Kh6 44.Qf8 Kg5 45.Qc5 ½–½. Kosten,A (2545) – Gerard,N (2240), National I, Bordeaux FRA, 2003.

9.bc6 Nc6

10.Nc4 Be6

11.d3 Rc8 12.0-0 b5 13.Nce5 Ne5 14.Be5 Nd5 15.Bg7 Kg7 16.Qd2 Nc3 17.a3 f6 18.Rfe1 Qb6 19.Qb2 b4 20.ab4 ab4 21.Nd2 Rc7 22.Nf1 Rfc8 23.Ne3 Bf7 24.h4 b3 25.Bf3 Qb4 26.Kg2 Nb5 27.Nd5 Bd5-/+ 28.Bd5 Nd4 29.Bc4 Nc2 30.Reb1 Na1 31.Qa1 Rc4 32.dc4 Rc4 33.Qb2 Rc3 34.e3 Qe4 35.Kg1 Qd3 36.Kg2 Qd5 37.Kg1 Rd3 38.Qe2 Rd2 39.Qg4? b2 40.Qb4 Rd1 41.Rd1 Qd1 (41...Qd1 42.Kg2 b1Q 43.Qb1 Qb1–+) 0–1. Amanov,Z (2410) – Abrahamyan,T (2260), Los Angeles USA, 2011.

11.Ne3 a4 12.0-0 a3 13.Bc3 h6 14.d3 Rb8 15.Qc1 Qd6 16.Nc2 b5 17.Qf4 Qf4 18.gf4 b4 19.Be5 Ne5 20.fe5 Nd5 21.Rfb1 (21.Nfd4 Nc3 22.Nc6 Na2-/+ (22...Ba2?! 23.N2b4 Ne2 24.Kh1=)) 21...Rfc8 22.Ncd4 Nc3 23.Ne6 Nb1 (23...fe6?! 24.Re1+=) 24.Rb1 fe6 25.Bh3 Rb6 26.Nd4 Be5 27.Be6 Re6! 28.Ne6 Kf7 29.d4 Ke6 30.de5 Rb8 (30...Rc2!? 31.Rb4 Re2 32.Rb6 Kf5 33.Ra6 Ra2 34.e6–+) 31.Rb3 Ke5 32.Kf1 Kd4 33.Ke1 Kc4 34.Kd2 Rf8 35.f3 Rf4 36.Re3 Rh4 37.Re7 Rh2 38.Re4 Kb5 39.Kc2 Rh1 40.Re8 Ra1 41.Rb8 Kc5 42.Kb3 Rb1 43.Ka4 Rb2 44.e4 Ra2 45.Rc8 Kd4 46.Kb4 Rf2 47.Rc4 Ke5 48.Ka3 Rf3 49.Kb2 Rf4 50.Kc2 Re4 51.Rc6 Kf5 52.Kd3 Re8 53.Rc5 Kg4 54.Rc6 Kh5 55.Rc1 g5 56.Rh1 Kg6 57.Ra1 g4 58.Ra6 Kg5 0–1. Ferretti,Folco (2280) – Hautala,Roman (2175), Montecatini Terme op, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 d5 8.Na3 dc4 9.bc6 Nc6 10.Nc4 Be6)

11.Ne3 Rc8 12.Ng5 Bd7 13.Rc1 b5 14.0-0 h6 15.Nf3 Be6 16.a3 Qb6 17.Qc2 Ne5 18.Qb1 Nf3 19.Bf3 Rfd8 20.Bc3 Ne8 21.Bg7 Ng7 22.Rc8 Rc8 23.Rc1 Rc1 24.Qc1 Nf5 25.Nf5 Bf5 26.d3 Qd4 27.Kg2 b4 28.ab4 ab4 29.Qc2 Be6 30.Qa4 Qc5 31.Be4 Bd5=+ 32.Bd5 Qd5 33.f3 Qc5 34.h4 e6 35.g4 Kg7 36.e3 g5 37.hg5 hg5 38.Kf2 Qc3 39.Qb5 Qd2 40.Kg3 Qe1 41.Kg2 Qd2 42.Kg3 Kg6 43.d4=+ Qe3 44.Qb4 Qg1 45.Kh3 Qf1 46.Kg3 f5 47.gf5 ef5 48.Qb7 Qg1 49.Kh3 Qh1 50.Kg3 Qh4 51.Kg2 Qd4 52.Qe7 Qf6 53.Qe8 Qf7 54.Qe5 Qd7 ½–½. Salvador Marques,C (2425) – Barrios Troncoso,JA (2435), ICCF Mate Postal, 2000.

11.Nce5 Qb6 12.Nc6 Qb2 13.Rb1 Qa2 14.Rb7 Kh8 15.Rb1 (15.Re7 Bd5 16.Ncd4 Ng8–+) 15...Rac8 16.Nfd4 (better is 16.Ra1 Qb2 17.Na5= (17.Ne7? Rc7–+)) 16...Bd5–+ 17.0-0 Bg2 18.Kg2 Rc6! 19.Nc6 Qd5 20.f3 Qc6 21.Ra1 Ra8 22.Qa4 Qa4 23.Ra4 Nd7 24.Rb1 Nc5 25.Ra3 a4 26.Rb5 Rc8 27.e3 Nb3 28.Ra4 Nd2 29.Ra2 Nc4 30.Kf2 Nd6 31.Rba5 Bf6 32.h4 h5 33.e4 Bd4 34.Ke2 e5 35.Rd5 Rc6 0–1. Nabbing,Niclas – Negm,Pascal, corr SSKK 2–770 SWE, 1994. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 a5 7.b5 d5)

11.Nce5 Bd5 12.0-0 b5 13.d3 Ne5 14.Be5 Qd7 15.e4 Bb7 16.Qb3 Rfd8 17.Rfd1 h6 18.Nh4 Bc6 19.a3 Kf8 20.Qb2 Qe6 21.Rac1 Rac8 22.Bf1 b4 23.ab4 ab4 24.Ng2 Ba4 25.Nf4 Qb6 26.Rc8 Rc8 27.Rc1 Rc1 28.Qc1 Ng4?? (better is 28...Bc6=) 29.Qc8+– Be8 30.Bg7 (30.Qg4 Be5 31.Nd5 Qc5-/+) 30...Kg7 31.Qg4 b3 32.Qc8 ½–½. Hoffmann,Guenter (2060) – Puschendorf,Steffen (2160), Gotha op, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 a5 7.b5 d5)

11.Nce5 Bd5 12.0-0 Qd6 13.Nc6 Bc6 14.Be5 Qd7 15.Qc2 Bh6 16.d3 Rfc8 17.Qb2 Ne8 18.Bd4 Qe6 19.e3 Nd6 20.Qe2 Nb5 21.a4 Nc7 (21...Bf3 22.Qf3 Nd4 23.ed4+=) 22.Ne5 Bg2 23.Kg2 Qd5 24.Qf3 f6 25.Nc4 e5 26.Bb2 Ra6 27.e4 Qd8 28.Bc3 Ne6 29.Qe2 Nd4 30.Qa2 Kh8 31.Rab1 (31.Qb2+=) 31...Qc7 (better is 31...b5 32.ab5 Nb5 33.Rb5 Qd3=) 32.Bd4+/– ed4 33.Rb5 Bf8 34.Qb2 Qd8 35.Rd5 Qe8 (35...Qc7 36.Rb1 Bb4 37.Qd4+/–) 36.Qd4 (36.Qb7!? Raa8+–) 36...Bg7? (better is 36...Qa4 37.Rb1 Rc7+–) 37.Rd7 (37.Na5?! f5 38.e5 Rca8 39.Nb7 Ra4+–) 1–0. Schieferstein,Michael (2115) – Oertel,David (2030), Hessenliga, 2005. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 a5 7.b5 d5 8.Na3 dc4)

6.Bg2 a6

7.0-0 b5 8.d3=.

7.0-0 d5 8.c5 (8.d3 dc4 9.dc4 Qb6=) 8...Bg4 (8...a5 9.a3=) 9.d3 (9.Qb3 a5=) 9...Bf3 (9...b6 10.cb6 Qb6 11.Qd2=) 10.Bf3 Nbd7 (10...a5 11.a3=) 11.Nd2 (11.e4 a5 12.a3 e5=) 11...a5 12.a3 b5 Black prepares the advance a4 (12...Qc7 13.Qc2=) 13.Nb3 a4 14.Nd4 (14.Na5 Qc7=) 14...Qc7 15.Bg2 (15.e4 de4 16.de4 Ne5=) 15...e5 16.Nf3 Rad8 17.e3 (17.Qc2 Rfe8=) 17...Nh5 (17...h6 18.Qe2=) 18.Qe2 (18.g4 Nhf6 19.g5 Nh5=) 18...f5 19.Nd2 (19.Ng5 Rde8=) 19...Nhf6 Black prepares e4 20.Rad1 e4 (20...e4 21.f3 ed3 22.Qd3 Rfe8=). Brooks – Mueller,R, IECC, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4)

7.d3 a5 8.Qa4 Na6 9.b5 cb5 10.cb5 Nc5 11.Qh4 d5 12.0-0 Bd7 13.Rc1 Rc8 14.Nc3 Nh5 15.Qg5 Bb5 16.d4 Ne6 17.Qd5 Bc4 18.Qd8 Rfd8 19.e3 b5 20.Nd2 Bd3 21.a4 b4 22.Nd5 Rc1 23.Rc1 Rd7 24.Nb3 Ra7 25.g4 Nf6 26.Rc8 Nf8 27.Ra8! Ra8 28.Ne7 Kh8 29.Ba8 Ng4 30.Na5 Ne6 31.Nac6 b3 32.h3 Nh6 33.Na5 Nc7 34.Bf3 Bc2 35.Nd5 Ne6 36.Nc3 Ng5 37.Bd5 Nh3 38.Kg2 Ng5 39.Nb3 Nf5 40.Nc5 h5 41.a5 h4 42.a6 h3 43.Kh2 Bd4 44.a7 Be5 45.f4 Ne3 (45...Kg7 46.a8Q Kh7 47.fe5+–) 1–0. Fritz 5.32 – Doctor? 3.0, 2004.

6.Bg2 Na6

7.a3 b5 8.cb5 cb5 9.Nc3 (9.Bd4 Nc7=) 9...Nc7 (9...Qb6 10.d3=) 10.0-0 Rb8 (10...Bb7 11.Qc2=) 11.d3 d5 12.Rc1 e6 (12...d4 13.Nb1 Ne6 14.Nbd2+=) 13.Qd2 a6 (13...Nd7 14.Rc2+=) 14.Nb1 Nce8 15.Be5 Ra8 16.Rc2 Nd7 17.Bg7 Kg7 18.Rfc1 Bb7 19.Qe3 Qb6 20.Qf4 f6 21.Nc3 Rc8? (better is 21...e5 22.Qh4 h6+=) 22.Nd5!+– Rc2?? 23.Nb6 Rc1 24.Qc1 Nb6 25.Nd4 Bg2 26.Kg2 Kf7 27.Qc6 e5 28.Qe6 Kg7 29.Qe7 Rf7 30.Ne6 Kg8 31.Qe8 (31...Rf8 32.Qf8) 1–0. Trkn – guest3419, ICC, 2004.

7.a3 d5 8.cd5 cd5 9.Nc3 b6 10.0-0 Bb7 11.Rc1 Nc7 12.e3 Ne4 13.d3 Nd6 14.Qe2 Re8 15.Rc2 e5 16.Rfc1 Qd7 17.Ne4 (17.Nb1!? Rac8 18.Nbd2=) 17...de4+= 18.Rc7 ef3 19.Rd7 fe2 20.Bb7 Nb7 21.Rb7 Rec8 22.Re1 Rc2 (22...Rc2 23.Ba1 Rac8-/+) 0–1. steveberkley – NikMed, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 Na6)

7.a3 Nc7

8.0-0 d5 9.d3 Bg4 10.h3 Bf3 11.ef3 Qd7 12.Qb3 Rad8 13.Re1 Rfe8 14.c5 Nh5 15.f4 Bb2 16.Qb2 Ng7 17.d4 Nce6 18.Nd2 Nf5 19.Nf3 f6 20.h4 Nc7 21.Bh3 h5 22.Re2 e6 23.a4 a6 24.Qd2 Re7 25.Qd3 Rde8 26.Kf1 Kf7 27.Ke1 Nh6 28.Kd2 Rg8 29.Rae1 Ke8 30.Kc2 Kd8 31.Qd2 Qe8 32.Re3 Qf7 33.b5 Ng4 34.Rb3 cb5 35.ab5 Nb5 36.Bf1 Rc7 37.Bb5 ab5 38.Rb5 Re8 39.Qa5 Kd7 40.Rb6 Rec8 41.Rd6 Ke7 42.Qb6 e5 43.fe5 fe5 44.Ne5 Qf2 45.Kb3 Qg3 46.Nd3 Kf8 47.Rf1 Kg7 48.Rg6 Kh7 49.Kc3 Qh4 50.Qe6 (50.Qe6 Qe7 51.Qf5 Rc5 52.dc5 (52.Nc5?! Qe3 53.Kc2 Rc5 54.dc5 Qe2 55.Kb1 Qb5 56.Ka2 Qc4 57.Ka3 Qc5 58.Kb2 Qb4 59.Kc1 Qc3 60.Kb1 Qb3 61.Ka1 Qa4 62.Kb1 Qb3 63.Ka1 Qa4 64.Kb1 Qb3=) 52...Rc5 53.Kb4 (53.Nc5?! Qc5 54.Kb3 Qb5 55.Ka2 Qa4 56.Kb1 Qb4 57.Ka1 Qa3 58.Kb1 Qb4 59.Kc1 Qc3 60.Kb1 Qb3 61.Ka1 Qa3 62.Kb1 Qb3 63.Ka1 Qa3=) 53...Qe4 54.Qe4 de4 55.Nc5 (55.Kc5?! Kg6 56.Nf2 e3 57.Ng4 hg4+–) 55...Kg6 56.Ne4+–) 1–0. Christensen,Kurt Verner – Skotte,Henrik, DEN–ch corr Denmark, 1955. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Na6)

8.0-0 d6 9.Qc2 Bg4 10.d3 Qd7 11.Re1 Nfe8 (11...Bh3 12.e4=) 12.Nbd2 Bb2 13.Qb2 Ng7 14.c5 Bf3 15.Nf3 (worse is 15.ef3 dc5 16.bc5 Nge6+= (worse is 16...Qd3 17.Re7 Qd8 18.Ree1+=)) 15...d5 16.Ne5 Qc8 17.d4 f6 18.Nd3 f5 19.a4 White prepares the advance b5 19...Nh5 20.b5 f4 21.Ne5 fg3 22.hg3 Rb8 (22...cb5 23.ab5 Nf6 24.Rec1+/–) 23.Rab1 (23.Reb1 Nf6+–) 23...cb5+/– 24.ab5 Qf5 (better is 24...Nf6!?+/–) 25.e4+– de4? (25...Qc8+–) 26.g4 (26.g4 Qe6 27.gh5 gh5 28.Be4+–; 26.Re4?! Nf6 27.Rh4 g5+/–; 26.Be4?! Qc8+–) 1–0. Garcia Ilundain,D (2510) – Blazquez Gomez,JC (2285), ESP–chT Cordoba, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2)

8.0-0 d6 9.d4 (9.Nc3 e5=) 9...a5 10.Qc2 (10.Nc3 ab4 11.ab4 Ra1 12.Qa1 Be6=) 10...ab4+= 11.ab4 Ra1 12.Ba1 Bf5 13.Qb3 b5 14.Nbd2 (14.Nc3 bc4 15.Qc4 Qd7+=) 14...Qd7+= 15.Rc1 Ra8 16.Bb2 Be6 (16...Ra6 17.d5=) 17.Ng5 bc4 18.Nc4 Rb8 0–1. algernon – croach, net–chess.com, 2017.

8.d3 d5 9.Nbd2 Re8 10.0-0 dc4 (10...Bf5 11.Be5=) 11.dc4+= a5 12.Qb3 White intends b5 12...Be6 (12...Bf5 13.Rfd1+=) 13.Nd4 White plans b5 (13.ba5 Qc8+=) 13...Bd7 14.e4 Qc8 (14...Ne6 15.e5 Ng4 16.f4+=) 15.Rfe1 (15.e5 Nh5 16.f4 Bg4+=) 15...Bh3 (15...Rd8 16.e5 Ng4 17.f4+=) 16.b5 (16.e5!? Nh5 17.Bh3 Qh3 18.e6+=) 16...Bg2= 17.Kg2 cb5 (17...Ne6 18.Rad1=) 18.cb5 e5 (18...Rd8 19.N2f3+=) 19.N4f3+= Nd7 20.Rac1 Qb8 (20...a4 21.Qb4+=) 21.Rc2 (21.b6 Ne6+/–) 21...b6+= 22.Rec1 Nc5 23.Qe3 (better is 23.Qc4!?+=) 23...Nb5+= 24.Nc4 Will e5 fall? (24.Nb3!? Nd4 25.Nbd4 ed4 26.Bd4 Re4 27.Qc3 Bd4 28.Nd4-/+) 24...Nd4!-/+ 25.Nd4 (25.Bd4 ed4 Passed pawn; 25.Nd4 ed4 Passed pawn) 25...ed4–+ 26.Bd4 Bd4 (better is 26...Re4 27.Bc5 Re3 28.Be3 b5–+) 27.Qd4+= Nb3 (worse is 27...Re4 28.Qd5 Re8 29.Nb6 Qb6 30.Qc5+=) 28.Qb6 Nc1 29.Rc1 Qb6 (29...Re4 30.Qb8 Rb8 31.Na5–+) 30.Nb6+= Ra6 31.Nd5 (31.Na4+=) 31...Rb8 (better is 31...Re4!? 32.Rc5 Ra4–+) 32.Ne7 (32.a4 Kg7=) 32...Kf8 33.Nd5 Raa8 (33...a4 34.Nb4 Rd6 35.Rc5+=) 34.Nf6 (34.g4 a4+=) 34...Kg7 35.e5 Rb3 36.a4 Rb4 37.Ra1 Rd8 38.Kf3 Rdd4 39.Ke3 (39.Rc1 Rdc4 (39...Ra4?! 40.Rc8+=) 40.Rd1 Ra4-/+) 39...Ra4–+ 40.Ra4 Ra4 41.Nd5 (41.Ne8 Kf8 42.Nf6 h6–+) 41...Ra1 42.h4 (42.Kd2–+) 42...a4 43.Nb4 Rb1 44.Nc2 (44.Na2 a3 45.Nc3 Rb2–+) 44...Rb3 (44...Rb3 45.Kd4 Rf3–+) 0–1. jackhammer3000 (1825) – velunia8 (1805), gameknot.com, 2016. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 Na6)

8.d3 d6 9.0-0 Bd7 10.Qc2 Qc8 11.Rc1 Rb8 12.Nbd2 b6 (12...Bh3 13.e4=) 13.c5 bc5 14.bc5 d5 15.Be5 Ng4 (15...Bg4 16.Rcb1+=) 16.Bg7+/– Kg7 17.e4 f6 18.Qa4 Nh6 19.Qa7 Ra8 20.Qb6 Ra4 (20...Nb5 21.a4 Ra6 22.ab5 Rb6 23.cb6+/–) 21.Qb2 Qa8 22.ed5 Rb8 23.Qc2 cd5 24.c6 Be8 25.Qc5 Nf5 26.Nh4 Nd6 27.Rab1 (27.Bd5? Rb5 28.Qc2 Rd5–+) 27...Rb1 28.Nb1 (28.Rb1?! Ra3 29.Nhf3 Qa7+= (worse is 29...Bc6 30.Nd4+/–)) 28...Ra5 29.Qb6 Qa7 30.Qb4 Ra6 31.Re1 Kf8 32.Qf4 (32.Nf3!?+=) 32...g5= 33.Qg4? (better is 33.Qd2=) 33...gh4–+ 34.Qh4 Bg6 35.Qh6 Kf7 36.Nc3 Qc5 37.Ne2 Nf5 38.Qf4 Rc6 39.g4 e5 40.Qd2 Nd4 41.g5 Ne2 42.Qe2 Qa3 43.gf6 Qc3 44.Bf1 Kf6 45.Qf3 Kg7 46.Re3 Bf7 47.Qf5 Rg6 48.Rg3 Ne6 49.h4 Qd4 50.Rg6 hg6 51.Qf3 Qh4 52.Qd5 Qg5 53.Kh2 Nd4 54.Qd7 Qf5 55.Qf5 gf5 56.Kg3 f4 (56...f4 57.Kg4 Be6 58.Kh5 Kf6–+) 0–1. Spiridonov,Nikola – Csom,Istvan, Zinnowitz DSV, 1967. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6 6.c4)

6.Bg2 b6

7.0-0 Bb7 8.d3 d6 9.Nbd2 e5 (9...a5 10.a3=) 10.Qc2 Nbd7 11.Rfd1 Ng4 (11...Qe7 12.e4=) 12.a4 f5 13.a5 (13.h3 Nh6+=) 13...Qe7 (13...ba5 14.ba5 Rb8 15.Rdb1=) 14.ab6 (14.a6!? Bc8 15.b5+=) 14...ab6= (worse 14...Nb6 15.c5 Nd5 16.e4+-) 15.Ra8 Ra8 16.Ra1 (16.e4 c5=) 16...Ra1=+ 17.Ba1 h5 (17...e4 18.Bg7 ef3 19.ef3=) 18.h3+= Ngf6 Black plans e4 19.Bc3 c5 Black prepares e4 (19...d5 20.Nb3=) 20.Qb2+= e4 21.de4 Ne4 (21...fe4 22.Nh4 Kh7 23.bc5 dc5 24.Qb1=) 22.Bg7 (22.Ne4 fe4 23.Nd2 Bc3 24.Qc3 d5+=) 22...Qg7= 23.Qg7 Kg7 24.bc5 Ndc5 25.Ne4 Be4 (25...fe4 26.Nd2=+) 26.Nd4= Bg2 27.Kg2 Kf6 28.Kf3 (28.e3 Ne4=+) 28...Ke5 (28...Nd7 29.Nb5 Ne5 30.Ke3 Nc4 31.Kd4=+) 29.Nb5 (29.Ke3!?+=) 29...d5 30.Ke3? (better 30.cd5 Kd5 31.h4=+) 30...dc4-+ 31.f4 (31.Nc3 Ne6 32.Kd2 Kd6-+) 31...Kd5 32.Kd2 (32.Nc3 Kc6 33.Na2-+) 32...Kc6 (better 32...Ne4 33.Ke3 Ng3 34.Nc7 Kd6-+) 33.Kc3?? (better 33.Nd4 Kd7 34.Kc3-/+) 33...Kb5-+ 34.Kd4 (34.Kc2 Ne4 35.e3 Ng3-+) 34...Kc6 (better 34...Kb4 35.e4 Ne4-+) 35.Kc4 b5 36.Kb4 (36.Kd4 Ne4 37.e3 Ng3-+) 36...Ne4 37.g4 (37.e3-+) 37...fg4 38.hg4 h4 (better 38...hg4 39.Kb3-+) 39.f5 gf5 40.g5 Ng5 41.e4 Ne4 42.Kb3 h3 43.Kb4 (43.Kb2 h2 44.Kb1 h1Q 45.Kb2 Qh8 46.Kc2 Qc3 47.Kb1 Nd2 48.Ka2 Qb3 49.Ka1 Qa3) 43...h2 44.Kb3 (44.Ka3 h1Q 45.Kb2 Qg2 46.Kb1 Nd2 47.Kc2 Nc4 48.Kc3 Qd2 49.Kb3 Qb2) 44...h1Q 45.Kb4 (45.Kb2 Qh2 46.Kb3 Nd2 47.Kc2 Nc4 48.Kc3 Qd2 49.Kb3 Qb2) 45...f4 (45...Qh3 46.Ka5 Qa3) 46.Ka5 (46.Kb3 Qb1 47.Ka3 b4 48.Ka4 Kc5 49.Ka5 Qa2) 46...f3 (46...Qe1 47.Ka6 Qa1) 47.Ka6 (47.Kb4 Qb1 48.Ka3 b4 49.Ka4 Kc5 50.Ka5 Qa2) 47...f2 (47...Qa1) 48.Ka7 f1Q (48...Qh8 49.Ka6 Qa1) 49.Kb8 b4 (49...Qf4 50.Kc8 Qh8) 50.Ka7 b3 (50...Qf2 51.Ka6 Qa1) 51.Kb8 b2 (51...Qf4 52.Ka7 Qa1) 52.Ka7 Qa1 53.Kb8 b1Q (53...Qh8) 54.Kc8 Qa7 (54...Qhh8) 55.Kd8 Qd7 0-1. Spiritchaser84 (2180) - alainsoral (2085), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.g3 0-0 6.Bg2)

7.0-0 e6 8.d4 d5 9.c5 Na6 10.a3 bc5 11.dc5 Nc7 12.Re1 Re8 13.Nbd2 Qe7 14.Ne5 Bb7 15.Qc2 1–0. rayfranke (2485) – rpanugaling (2360), net–chess.com, 2016.

6.Bg2 Qb6

7.0-0 Qb4-/+ 8.Ba3 (better is 8.Qb3!? Na6 9.Nc3-/+) 8...Qc4–+ 9.d3 Qe6 10.Nbd2 d5 11.Rb1 Re8 12.Qc2 Qd7 (12...Qe2? 13.Rfe1 Qe1 14.Re1+–) 13.d4 Qc7 14.Ne5 Na6 15.Rbc1 Bf5 16.Qa4 Nd7 17.Bd5? (better is 17.Nc6 Nb6 18.Qb5 bc6 19.Qa6 Bd4 20.e4 de4 21.Ne4–+) 17...Ne5 18.de5 Qd8 (18...cd5?! 19.Rc7 Nc7 20.g4=; 18...Be5?! 19.Bc6 bc6 20.Qa6-/+; 18...Qe5?! 19.Bc6 bc6 20.Qa6-/+) 19.Bc6 bc6 (19...Qd2 20.Be8 Qe2 21.Bd7 (21.Be7?! Qf3 22.Rfe1 Bh6=) 21...Qa2 22.Bc8+–) 20.Kh1 0–1. Garcia,L – Malo Guillen,Jose Luis, Zaragoza La Salle op, 1990. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 Qb6)

7.a3 a5 8.c5 Qc7 9.Nc3 d5 10.cd6 ed6 11.0-0 Nbd7 12.Na4 b5 13.Nc3 d5 14.d3 Qd6 15.Qd2 Re8 16.Nd4 ab4 17.ab4 Bb7 18.Nd1 Nb6 19.Nb3 Na4 20.Bd4 Bf8 21.Ne3 Nd7 22.Ng4 Bg7 23.Bg7 Kg7 24.Nd4 Kh8 25.Rac1 Attacks the backward pawn on c6 25...f5 26.Nh6 Qf6 27.Qf4 Ne5 28.h4 Rad8 29.Rc2 Bc8? 30.Nc6!+– Nc6 31.Rc6 Qg7 32.Rc7 Rd7 33.Rfc1 Nb6? 34.Qe3!! Re3 35.Rc8 Qf8 36.Rf8 (36.Rf8 Kg7 37.Rg8 Kh6 38.fe3+–) 1–0. Greenfeld,A (2555) – Kuzubov,Y (2620), 3rd Chennai Open, 2011. (=1.Nf3 Nf6 2.c4 g6 3.g3 c6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 Qb6)

7.a3 a5 8.c5 Qc7 9.Nc3 Ne4 10.Qc2 Nc3 11.Bc3 ab4 12.Bg7 Kg7 13.Qb2 Kg8 14.ab4 Ra1 15.Qa1 Na6 16.Qc3 d6 17.h4 h5 18.d4 Bg4 19.0-0 Re8 20.e3 Bf3 21.Bf3 e5 22.Rb1 ed4 23.ed4 Qd7 24.cd6 Qd6 25.b5 cb5 26.Rb5 b6 27.Rg5 Kh7 28.Qc4 Qf6 29.Bh5 b5 30.Qc2 Re1 31.Kg2 Nb4 32.Qd2 Qe7 33.Bf3 Na6 34.Rb5 Qe6 35.Rb7 Kg7 36.d5 Qe5 37.Qb2 Qb2 38.Rb2 Nc5 39.d6 Re6 40.Rd2 Re8 41.Rc2 Ne6 42.Bg4 f5 43.Bd1 Rd8 44.Rc6 Kf6 45.Ba4 Nf8 46.d7 Ke7 47.Rc8 Ne6 48.Kf3 Kf6 49.Ke3 Ke7 50.Kd3 Kd6 51.Kc4 Ke5 52.Bc6 Kf6 53.Kd5 Ke7 54.Ke5 Rf8 55.Re8 1–0. Dannevig,Oystein – Elsness,Frode, Gausdal, 1999.

7.a3 a5 8.Bd4 Qc7 9.0-0 ab4 (9...d6 10.Qa4 (10.Bb2 ab4 11.ab4 Ra1 12.Ba1 e5 13.d3 Be6 14.Ng5 Bd7 15.d4= –0.12; 10.Bc3 ab4 11.ab4 Ra1 12.Ba1 e5 13.Nc3 Be6 14.d3 h6 15.Bb2= –0.19; 10.d3 e5 11.Bc3 ab4 12.ab4 Ra1 13.Ba1 Be6 14.Ng5 Bd7 15.d4= –0.12; 10.b5 e5 11.Bb2 Be6 12.Qa4 Nbd7 13.Ng5 Nb6 14.Ne6 fe6 15.Qb3= –0.25; 10.Nc3 e5 11.Be3 Be6 12.d3 d5 13.cd5 Nd5 14.Nd5 Bd5 15.Qa4= –0.03) 10...e5 11.Bb2 Nbd7 12.d4 Nb6 13.Qb3 e4 14.Nfd2 ab4 15.Ne4= 0.00; 9...d5 10.cd5 (10.Be5; 10.Qb3; 10.Qc1) 10...ab4 11.ab4 Ra1 12.Ba1 Nd5 13.Bg7 Kg7 14.b5 Bf5 15.Qa4+= 0.38) 10.ab4 Ra1 11.Ba1 Qb6 (11...d6 12.Bc3 e5 13.d3 Be6 14.Ng5 Bd7 15.d4= 0.00) 12.Qb3 Na6 (12...d6 13.d4 Bf5 14.Nc3 Nbd7 15.h3= 0.09) 13.Bc3 (13.b5 d6 14.Na3 Nc7 15.Rb1= 0.13) 13...d5 14.d3 dc4 15.dc4 Bf5 16.Ne1 (better is 16.Nd4=) 16...Ne4?? (better is 16...Nc5 17.Qa3 Nce4+=) 17.Bg7+/– Kg7 18.Nd3 (better is 18.g4!? Bg4 19.Be4 Qb4 20.Qc2+/–) 18...Nf6= 19.c5 Qa7 20.Ne5 Be6 21.Qb2 Nc7 22.Nc3 Ra8 23.Qd2 Qa3 24.Qd4 Qb2 25.Nd3 Qb3 26.Rb1?? Nb5-/+ 27.Rb3 Nd4 28.Rb2 Ra3 29.Nb1 Ne2! 30.Re2 Rd3 31.Rb2? Rd1–+ 32.Bf1 Bh3 33.Nd2 Ne4! 34.Rb3?? g5 (34...g5 35.Rb1 Rd2 36.Bh3 e6–+; 34...Nd2 35.Rb1 Nb1 36.b5 Rf1#) 0–1. Haub,TM (2515) – Kollen,Z (2000), Dutch Open, Dieren NED, 2010. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Nf3 Qb6)

7.a3 d6 8.0-0 a5 9.Qa4 Bf5=.

7.a3 d6 8.0-0 a5 9.Bd4 c5 10.bc5 dc5 11.Bc3 Nc6 12.d3 Rd8 13.Nbd2 Qc7 14.Nb3 Qd6 15.Qc2 e5 16.Qb2 a4 17.Nc1 Re8 18.Nd2 Nd4 19.Ne4 (19.Bb7? Rb8 20.Bd4 ed4–+ (20...Bb7?! 21.Bc3+=; 20...Qd4?! 21.Qd4 ed4 22.Bc8 Rec8 23.Ra2=)) 19...Ne4 20.Be4 Bh3 21.Re1 (21.Bb7? Rab8 (21...Bf1?! 22.Ba8 Be2 23.Bd4 cd4 24.Ne2 Ra8 25.Qb5+=) 22.Bd4 Bf1–+ (22...Qd4?! 23.Qd4 ed4 24.Bc6=)) 21...Re7 22.Rb1 (22.Bb7?? Rb8–+) 22...Bh6 23.Bd5 (23.Bb7? Rb8 24.Bd4 Rbb7 25.Be5 Qc6–+ (25...Rb2?! 26.Bd6 Rb1 27.Be7=)) 23...Rd8 24.Bd2 (better is 24.e3!? Nc6 25.Qb6+=) 24...Bd2+= 25.Qd2 Qf6 26.Qh6 (26.Bb7?? Rb7 27.Qh6 Rb1 28.Qh3 Rc1–+) 26...Bc8 27.Na2 b5 28.Nc3 Nc2 29.Rec1 Na3 30.Ra1 b4 31.Ne4 Qg7 32.Qg5 Kf8?? 33.Nc5+– Bd7 34.Qd2 Rb8 35.Na6 Rb6 36.Nb4 e4 37.Ra3 e3 38.fe3 Qh6 39.d4 Rf6 40.Bf3 Rf5 41.Nd5 Re8 42.Qe1 Bc6 43.Nf4 g5 44.Bc6 gf4 45.Bf3 fg3 46.hg3 Rg5 47.Bg2 Re6 48.e4 Qh5 49.Rcc3 Rh6 50.Rf3 Qh2 51.Kf2 Qh5 52.Ra4 Rb6 53.Ra7 Rg7 54.Qa5 Qa5 55.Ra5 Rb4 56.Rc5 Ke7 57.e5 Rb7 58.d5 Rg5 59.d6 (59.d6 Kd8 60.Rf6+–) 1–0. Buldrova,Monika – Most,Zdenek (2205), Klatovy op–A, 1999. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.a3 d6 8.0-0 a5 9.Bd4 Qc7 10.d3 Nbd7 11.Nbd2 e5 12.Bb2 d5 13.cd5 cd5 14.e4 (14.Rc1 Qb8=) 14...b5 (14...ab4 15.ab4 Ra1 16.Qa1=) 15.Rc1 (15.ed5 Re8+=) 15...Qb8 16.ba5 de4 17.Ne4 Ra5 (17...Ne4 18.de4 Ra5 19.Qd3=) 18.Bc3 (18.Nf6 Bf6 19.d4 ed4=) 18...Ra6 (18...Ra4 19.Bb4 Ne4 20.Bf8 Nf2 A) worse is 21.Rf2 Nf8 (21...Bf8 22.Ng5 Bc5 23.Qb3 Bf2 24.Kf1+–) 22.Ng5 Bh6=; B) 21.Bd6 Nd1 22.Bb8+/–) 19.Bb4 (19.Qb3 Ne4 20.de4 Qa7+=) 19...Re8 20.Qb3 Ne4 21.de4 Nb6 22.Ng5 Nc4 Exerts pressure on the isolated pawn (22...Qb7 23.Qd3 Bh6 24.f4+= (24.Qb5? Bd7 25.Qd3 Bg5–+)) 23.a4 h6 (23...Rc6 24.ab5 Qb5 25.Rfd1=) 24.ab5 Qb5 25.Qc4 Qc4 26.Rc4 hg5 27.Bd2 Ra2 28.Bg5= Ba6 29.Rc7 Bf1 30.Bf1 Ra1 31.Kg2 f6 32.Bc4 Kh8 33.Be3 Rd8 34.h4 Raa8 35.Bf7 Kh7 36.h5 gh5= 37.Bh5 Rac8 38.Re7 Kh8 39.Bg4 Re8 40.Rb7 Rb8 41.Rc7 Kg8 42.Bd7 Red8 43.Kf3 Rb4 44.Be6 Kh8 45.Bc5 Ra4 46.Kg4 Kh7 47.Bf5 Kh8 48.Kh5 Rc4 49.Be6+– Re4?? 50.Kg6 Rg8 51.f3 (51.f3 Bh6 52.Kh6 Rg6 53.Kg6 Rg4 54.Bg4 e4 55.Rc8#) 1–0. Miles,Anthony (2580) – Nijboer,F (2535), zt, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.a3 d6 8.0-0 a5 9.Bd4 Qc7 10.d3 Nbd7 11.Nbd2 e5 12.Bc3 d5 13.e3 (worse is 13.ba5 d4 14.Bb2 Qa5 (14...Nc5+= 15.Nb3 Qd6 16.e3 Na4 17.Rb1 Nb2 18.Rb2=) 15.Rb1 Rd8 16.Nb3 Qa4 17.h3 b6 18.e3=; 13.Qc2 Re8 14.e3 b5 15.cb5 cb5 16.ba5 Ra5 17.Rfc1 Ra8 18.a4=) 13...Re8 (13...ab4 14.ab4 Ra1 15.Qa1 Re8 16.Bh3 h6 17.Rb1 b6 18.Qb2=) 14.Qc2 (14.ba5 c5 15.cd5 Nd5 16.Bb2 Qa5 17.Nc4 Qc7 18.Qb3=) 14...h6 (14...b5 15.cb5 cb5 16.ba5 Ra5 17.Rfc1 Ra8 18.a4=) 15.ba5 c5 16.Nb3 d4 17.ed4 (17.Bb2 Qd6 18.Rab1+=) 17...cd4 18.Bb4 White prepares c5 18...Nb8 19.Nfd2 Nc6 The pressure on the isolated pawn grows 20.c5 Bf5 21.Rfe1 Rad8 22.Ne4 Ne4 23.Be4 Be6 24.Rac1 f5 25.Bh1 Qf7 (25...e4 26.Nd2 Na5 27.de4=) 26.Nd2 e4 (worse is 26...Nb4 27.ab4 e4 28.Bg2+/–) 27.Nc4?? (better is 27.a6=) 27...ed3–+ 28.Qd3 Bc4 (28...Nb4 29.ab4 Bc4 30.Re8 Re8 31.Qc4 Qc4 32.Rc4 Re1 33.Kg2 d3–+) 29.Qc4+= (29.Rc4?? Re1 30.Be1 Ne5–+) 29...Qc4 (29...Nb4? 30.Qb4 d3 31.Re8 (31.Bb7?! d2 32.Re8 Qe8+/–; 31.Qb7?! Re1 32.Re1 Qb7 33.Bb7 Bc3=) 31...Qe8 32.Re1+–) 30.Rc4 Re1 (better is 30...Nb4!? 31.Re8 Re8 32.Bb7 Nd3=) 31.Be1+/– d3 32.h4 (better is 32.a6 d2 33.Bd2 Rd2 34.ab7 Rd1 35.Kg2+/–) 32...Na5?? (better is 32...d2 33.Bd2 Rd2 34.Bc6 bc6+=) 33.Bb4?? (better is 33.Ba5 d2 34.Bd2 Rd2 35.Bb7+–) 33...Bd4 (better is 33...Nc4 34.Bb7 d2 35.Bf3–+) 34.Bc3 (better is 34.Ba5 Bf2 35.Kf2+–) 34...Nb3 (better is 34...Nc4 35.Bb4 d2 36.Bf3–+) 35.Bd2?? (better is 35.Bb7 Bc5 36.Bf3 Ba3 37.Rc6=) 35...Be3 (better is 35...Nd2 36.Rc1 Ne4 37.Be4 fe4–+) 36.Kf1?? (better is 36.Be3 d2 37.Bf3 d1Q 38.Bd1 Rd1 39.Kg2+–) 36...Rb8 (better is 36...Nd2 37.Kg1 Nc4–+) 37.Bc1 (better is 37.Be3 Rd8 38.Ke1+–) 37...Bg5 (37...d2!? 38.Bd2 Nd2 39.Ke2 Nc4 40.fe3 Na3 41.Kf3–+) 38.c6?? (better is 38.Bg5 hg5 39.Bd5 Kg7 40.Rc3 Nd2 41.Ke1+/–) 38...Be7 (better is 38...d2 39.Bd5 Kh7 40.Bd2 Nd2 41.Kg2 Nc4 42.hg5 Nb6–+) 39.Rf4 (better is 39.cb7 d2 40.Rc8 Kh7 41.Bd2 Nd2 42.Ke1+–) 39...Rd8?? (better is 39...Nc1 40.cb7 Bf6 41.Bd5 Kg7–+) 40.f3?? (better is 40.c7 Nc1 41.cd8Q Bd8 42.Bb7+–) 40...Rc8 (40...bc6 41.Be3 Bc5 42.Rb4 Bb4 43.ab4–+) 41.Kf2 (41.Ra4 b5 42.Ra7–+) 41...Rb8 (better is 41...Rc6 42.Bd2 Rc2–+) 42.a4?? (42.Be3 Bc5 43.Bc5–+) 42...d2 (worse is 42...Nc1 43.Ke3 bc6 44.Rc4 Bc5 45.Kd2–+) ½–½. Juknis,P (2200) – Mustaps,M (2310), Mikenas Memorial, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.a3 d6 8.0-0 c5 9.b5 d5 10.a4 d4 11.d3 a5 12.Nbd2 Qc7 13.Nb3 Ra7 (better is 13...e5=) 14.Nc5!+/– e5 (14...Qc5 15.Bd4 Decoy) 15.Nb3 b6 16.Ba3 Nbd7? (16...Re8 17.c5 Nbd7 18.Rc1+–) 17.Rc1 (better is 17.Bf8 Nf8 18.c5 bc5 19.Nc5+–) 17...Nc5 18.Nc5 bc5 19.Rb1 Nd7 20.Nd2 Bb7 21.Bb7 Rb7 22.Nb3 h5 23.Qd2 e4? (23...Ra8+–) 24.de4 Ne5? 25.Qc2 Qc8? 26.Kg2 h4 27.Bc1 Rd8 28.f3 Rbd7 29.Bb2 Bh6 30.Rbd1 h3 31.Kh1 f5? 32.Bc1 d3? 33.ed3 Nd3 34.Bh6 Nf2 35.Qf2 Rd1 36.Nd2 Rf1 37.Qf1 fe4 38.fe4 Qe6 39.Qe2 Kh7 40.Be3 Qf6 41.Kg1 Kg8 42.Qg4 Rd3 43.Qc8 Rd8 44.Qh3 Rd3 45.Qc8 Kh7 46.Qc7 Kg8 47.Qc5 Qa1 48.Nf1 Qd1 49.b6 1–0. Torre,E1 – Belistri,Ubaldo, URU–ch Uruguay, 1985. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 Qb6)

7.a3 Ne4 8.c5 Qd8 9.Bg7 Kg7 10.Nc3 d5 11.cd6 Nd6 12.0-0 Nd7 13.e4 e5 14.d4 Qf6 15.de5 Ne5 16.Ne5 Qe5 17.Qd3 Rd8 18.f4 Qh5 (better is 18...Qe7!?=) 19.Qd4+/– f6 20.e5 Nf7 21.ef6 Kg8 22.Qc4 Qf5 23.Rfe1 Qf6 24.Ne4 Qg7 25.Nc5 Qf6 26.b5 Rd2 (26...cb5 27.Qb5 Rb8 28.Rad1 (28.Bb7? Qd4 29.Kh1 Nd6 30.Qb3 Kh8–+; 28.Nb7 a6 29.Qb3 Bb7 30.Bb7 Rd7–+) 28...Rd1 29.Qe8 Kg7 30.Rd1+/–) 27.Re8 (27.Ne4 Qd4 28.Qd4 Rd4 29.bc6 bc6 30.Nf6 Kg7 31.Ne8 Kh6 32.Bc6 Rb8+–) 27...Kg7+/– 28.Rae1 Rd8 29.R8e7 Rb8 30.bc6 bc6 31.Bc6 Bh3 32.Be8 Re8 33.Re8 Re8 34.Re8 Qa1 35.Kf2 Nd6 36.Qg8 Kh6 37.Qf8 Kh5 38.Qd6 Qf1 39.Ke3 Qe1 40.Kd4 Qe8 41.Qe5 Qe5 42.fe5 Bg2 43.e6 Bc6 44.Ke5 Be8 45.h3 g5 46.Kf6 g4 47.h4 Kh6 48.Ne4 a5 49.Nd6 (49.Nd6 Ba4 50.e7 Bc6 51.Nf7 Kh5 52.Ne5 Bb5 53.Kg7 a4 54.Nd3 Bd3 55.e8N h6 56.Nf6#) 1–0. Gueler Berdasco,Martin (1920) – Gonzalez Mateo,Jose Luis (1795), San Sebastian de los Reyes ESP, 2012.

7.Qb3 Na6 8.a3 d5 9.cd5 cd5 10.0-0 Bd7 11.d4 Rac8 12.Nc3 e6 13.Rac1 Ne4 (13...Nb8!?=) 14.Ne4+= de4 15.Ne5 Be5 16.de5 Nc5?? (better is 16...Bc6+/–) 17.Rc5+– Rc5 18.Bd4 (18.Be4?! Rc7=) 18...Rfc8 19.Qe3 (19.Bc5?! Rc5 20.Qd1 Rd5+=) 19...Rc3 20.Bb6 (20.Bc3 Qe3 21.fe3 Rc3 22.Be4 Bc6 23.Bc6 bc6=) 20...Re3 21.Be3 (21.fe3?! ab6 22.Be4 Rc3+=) 21...Rc3 (21...Rc4 22.Ba7 Bc6 23.Be3+–) 22.Be4 Kg7 23.Ra1 b6 24.Kf1 Ba4 25.Ke1 Rc7 1–0. Azevedo,E J E D (1905) – Oliveira Jr,A F (1850), 9th Magistral RN – Grupo B, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.Qb3 Na6 8.a3 d6 9.0-0 e5 10.d3 Nc5 (10...Re8 11.Nbd2=) 11.Qc2 Ne6 12.Nbd2 Nd7 13.Nb3 (13.Rfe1 f5=) 13...f5 (13...Re8 14.e3=) 14.Rab1 Qc7 15.a4 (15.e3 Nb6=) 15...a6 (15...f4 16.a5=) 16.Rfc1 (16.a5 b6=) 16...g5 (16...f4 17.d4=) 17.b5 (17.d4 e4 18.Nfd2 Nf6=) 17...g4 18.Nfd2 Nf6 (18...f4 19.bc6 bc6 20.a5=) 19.bc6 (19.d4 e4=) 19...bc6 20.Bc3 (20.Qc3 Nd7=) 20...Bd7 (20...f4 21.Na5=) 21.Rb2 (21.d4 e4=) 21...f4 22.Na5 (22.d4 fg3 23.hg3 Rab8=) 22...fg3 (22...Rab8 23.Rcb1=) 23.hg3 Nc5 (23...Nd4 24.Bd4 ed4 25.Nab3=) 24.Rcb1 Ra7 (better is 24...Rab8!?=) 25.Rb6+/– d5 26.d4 ed4 27.Bd4 Ne6 28.Ba1 (28.Nc6 Nd4 29.Nd4 Ne4 30.Ne4 Bd4+/–) 28...Ng5 (28...Rf7 29.Qb3+=) 29.Bf6+/– Bf6 (29...Rf6 30.cd5 cd5 31.Bd5 Kf8+/–) 30.e3?? (better is 30.Nc6!? Bc6 31.Rc6 Nh3 32.Kf1+–) 30...d4 (30...Nh3 31.Kh2 Kg7+=) 31.Rb7 (31.Nc6 Bc6 32.Rc6+/– (worse is 32.Bc6 de3 33.Qf5 Be7 34.Qd5 Rf7+=)) 31...Rb7= 32.Rb7 Qa5 33.Rd7 de3 (better is 33...Qc3!? 34.Qc3 dc3-/+) 34.fe3= Qe5 35.Ne4 (35.Nf1 Be7+=) 35...Bg7+= 36.Rd2 (36.Ng5 A) worse is 36...Qg5 37.Qe4+/– (37.Bc6 Qe3 38.Kg2 Qh6 39.Rg7 Kg7 40.Qc3 Qf6 41.Qf6 Kf6–+); B) 36...Qe3 37.Kh2 Qg5-/+) 36...Re8 (36...Ne4 37.Qe4 Qg3 38.Qe6 Kh8 39.Rd1-/+) 37.Ng5-/+ Qe3 (37...Qg5?! 38.Bc6 Re3 39.Kg2=) 38.Rf2 Qg5 39.Bc6?? (better is 39.Rf4-/+) 39...Bd4 (39...Re1 40.Kg2 Qh5 41.Bd5 Kh8 42.Rf8 Bf8 43.Qc3 Re5–+) 40.Be8+– Qe5? (40...Bf2 41.Kf2 Qf6 42.Kg2 Qe6+–) 41.Bf7 (41.Bf7 Kf8 42.Bd5 Qf6 43.Kg2 Bf2 44.Qf2 Qf2 45.Kf2+–) 1–0. Nenezic,Marko (2095) – Brujic,Bozidar (2220), Beograd SRB, City Ch, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.Qb3 Na6 8.a3 d6 9.d4 c5 10.dc5 Nc5 11.Qc2 Ne6 12.0-0 Bd7 13.Nbd2 Bc6 14.Bc3 Rac8 15.Qb2 Ne4 16.Bg7 Ng7 17.Rac1 Nd2 18.Qd2 Be4 19.Rfd1 Rc7 20.Qf4 Bf5 21.Qh6 Ne6 22.Nh4 Bg4 23.Rd2 Ng7 24.h3 ½–½. Filipovich,David (2215) – Casinathan,Uma, Toronto Thanksgiving op, 1993. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 Qb6)

7.Qb3 d5 8.Bd4 Qc7 (8...dc4 9.Qc4 Qd8 10.0-0=) 9.0-0 (9.cd5 cd5 10.Nc3 Be6+=) 9...Bg4 (9...dc4 10.Qc4 Nbd7 11.Nc3=) 10.Be5 (10.cd5 Nd5 11.Bg7 Kg7+=) 10...Qc8 (10...Qd8 11.h3 Bf3 12.Bf3=) 11.cd5 cd5 12.Nc3 Bf3 13.Bf3 Now all is on d5 13...e6 14.Rac1 Nc6 15.Na4 Qd7 16.Nc5 Qe7 17.Bc3 ½-½. Plachetka,J (2305) - Molenda,Marcin (2375), Skalica Open, 2020. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.Qb3 d5 8.cd5 cd5 9.0-0 Nc6 10.b5 Na5 11.Qb4 Bd7 12.a4 (12.Qe7 Rfe8 13.Qb4 Qb5=+ (worse 13...Re2 14.Bf6 Bf6 15.Nc3 Bc3 16.dc3=)) 12...Rfc8 13.Bc3 Nc4 14.d3 Nd6 15.Ne5 Be6 16.Nd2 a5 17.Qb2 Nf5 18.e4 de4 19.de4 (19.Ne4 Ne4 20.Be4 Rc3 21.Qc3 Rc8-/+; worse 19.Be4 Nd5 20.Ndc4 Qc5 21.Bd5 A) worse 21...Qd5 22.Nb6 Qb3 23.Qb3 Bb3 24.Nc8 (worse 24.Na8 Rc3 25.f4 Nd4+=) 24...Rc8 25.Bb2+–; B) 21...Bd5=+) 19...Nd6 20.Rac1 Rc3 (20...Rab8!?+=) 21.Qc3+– (worse 21.Rc3 Nfe4 22.Ne4 Be5=+) 21...Ng4 22.Nec4 Qc5 23.e5 Rc8 24.Nd6 (24.ed6? Bc3 25.Rc3 A) 25...Bc4 26.Rc4 (26.Nc4? ed6 27.Bb7 Rb8–+) 26...Qf5 27.de7+– (27.Bb7?! Rc4 28.Nc4 ed6=+); B) 25...ed6 26.Bb7 Rb8–+) 24...Qc3 25.Rc3 Rc3 26.Nb7 Ne5 27.Na5 Ra3 28.b6 Nd7 29.b7 Ra4 30.Nc6 Ra2 31.Ne4 (31.Rd1 Rb2 32.Nf1 h6+–) 31...Rb2 32.Ng5 (32.Ne7?! Kf8 33.Nc6 Rb7=) 32...Bc4 (32...Bg4!? 33.f3 Bf6 34.fg4 Bg5+–) 33.Rd1+– (33.Ne7?! Kf8 34.Rc1 Ke7 35.Rc4 h6 36.Re4 Kf8 37.Nh7 Kg8=) 33...Bf8 34.h4 (34.Bf3 Rb7 35.Na5 Bb3 36.Nb3 Rb3 37.Rd7 h6+–) 34...Rb7 35.Ne7! Be7 36.Bb7 Nf8 37.Ne4 Kg7 38.Rc1 Be6 39.Nc5 Bf5 40.Bd5 h5 41.Rc4 Nh7 42.Ne4 Nf6 43.Nf6 Kf6 44.Rc7 Bg4 45.Kg2 Bf5 46.f3 Bd3 (46...Be6 47.Rc6 Ke5 48.Be6 fe6+–) 47.g4 hg4 48.fg4 Bd8 49.Rd7 Be7 (49...Ba5 50.Rf7 Ke5 51.Bf3+–) 50.g5 (better 50.Bb3 Bb1 51.Kf3 Bc5+–) 50...Ke5 51.Re7 Kd5 52.Rf7 Ke5 53.Kg3 Bc2 54.Rf6 Bd3 55.h5! gh5 56.Kh4 Be2 57.Rf8 (57.Rf8 Bc4 58.g6+–) 1–0. Krishna,CRG (2395) – Eden,J (2270), 93rd ch–Paris IdF, 2018.

7.Qb3 d6 8.0-0 a5 9.a3 Na6 10.Nc3 ab4 11.ab4 (11.Na2 Nc5 12.Qb4 Qb4 13.Nb4 Na4+=) 11...Nc5 12.Qc2 (12.bc5 Qb3 Pinning (12...Qb3 Deflection)) 12...Ra1 13.Ra1 Qb4 14.d3 Bf5 15.Nd4 Bd7 16.Na4 (16.Nd1 Qb6-/+) 16...Na4 17.Ra4 Qb6 (17...Qe1!? 18.Bf1 Ng4-/+) 18.Ra2 Ng4 19.e3 Ne5 20.Bc3 Qc7 21.Ra7 Rb8 22.h3 c5 23.Nb5 Exerts pressure on the backward pawn 23...Qc8 24.Kh2 Nc6 25.Bg7 Kg7 26.Ra3 Kg8 27.Qb2 Nb4 28.Qb3 Bc6 29.Na7 Qf5 30.Nc6 bc6 31.Qb2 Rd8 32.Be4 Qe6 33.Qe2 h5 34.h4 d5 35.Bg2 dc4 36.dc4+= Qf5 37.Bh3 Qb1 38.Ra5 Qc1-/+ 39.Kg2 Rd2 40.Qf1? Rd1 41.Qe2 Nd3 42.Ra2 Rg1 43.Kf3 Qc4 (43...Qc4 44.e4 Qc3 45.Ra8 Kg7 46.Re8 Nf2 47.Qe3 Rg3 48.Kg3 Qe3 49.Kg2 Ne4 50.Rg8 Kg8 51.Kh1 Qh3 52.Kg1 Qg3 53.Kf1 Qf2#) 0–1. Muller,Marco – Nowik,Volker (2160), Porz op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 c6 4.Bb2 Bg7 5.g3 0-0 6.Bg2 Qb6)

7.Qb3 Ne4 8.d4 a5 9.ba5 Qa5 10.Nc3 b5 11.cb5 Nc3 12.Bc3 Qb5 13.Qb5 cb5 14.0-0 Nc6 15.Ne5 b4 (15...Ra7!? 16.Rfb1 Ne5 17.de5 Rc7+=) 16.Nc6 dc6 17.Bb4 (worse is 17.Bc6 Ra6 18.Bb4 Rc6-/+) 17...Bd4 18.Rad1 Bf6 19.a3 Ba6 20.Bc6 Be2 21.Ba8 Ra8 22.Rd7 Bf1 23.Kf1 Kf8 24.h4 Ke8 25.Rb7 Rd8 26.Kg2 ½–½. Kuehn,Carsten (1905) – Moehrmann,Marcus (2210), St Ingbert op, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.Qb3 Ng4 8.0-0 Bb2 9.Qb2 a5 10.b5 d5 11.Na3 dc4 12.Qd4 (12.Rab1!?+=) 12...Qd4= 13.Nd4 Rd8 (13...e5 14.bc6 ed4 15.cb7+=) 14.Nc4 Rd4 15.Nb6 Ra7 16.Nc8 Ra8 17.e3 Rd8 (17...Rd3!?+=) 18.Ne7+/– Kf8 19.bc6 Nc6? (better is 19...bc6!? 20.Nc6 Nc6 21.Bc6 Rac8+/–) 20.Nc6+– bc6 21.d4 (21.Bc6?! Rac8 22.Bf3 Ne5+/–) 21...Ra6 22.Rfc1 Rd6 23.Rab1 Nf6 24.Rb7 Nd5 25.h4 h5 26.Rc5 a4 27.a3 Nf6 28.Bf1 Ra8 29.Rc7 Rb8 30.Bc4 1–0. Ricardi,Pablo (2575) – Giaccio,Alfredo Gustavo (2460), Clarin GP1 Boca Juniors, 1997. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 Qb6)

7.Qb3 Ng4 8.c5+= Qc7 9.Bg7 Kg7 10.Qb2 Nf6 11.Nc3 Kg8 12.0-0 d5 13.cd6 Qd6 14.d4 Nd5 15.Nd5 cd5 16.a4 Nd7 17.b5 Nf6 18.Rfc1 Bd7 19.Ne5 Rfc8 20.Rc8 Rc8 21.Nd7 Qd7 22.Rc1 e6 ½–½. Pezzaldi,Roberto (2095) – Mastroddi,Emiliano, ITA Academia op, 1998. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

7.Qb3 a5

8.a3 ab4 9.ab4 (9.Bd4 Qc7=) 9...Ra1 10.Ba1 Na6 11.Bc3 Ne4 12.0-0 Nc3 13.dc3 d6 (13...Rd8 14.Nbd2+=) 14.Rd1 (14.Nbd2 Bf5=) 14...Nc5 15.Qa3 Ne4 16.Nd4 Nf6 17.Nb3 White intends c5 (17.c5 dc5 18.bc5 Qc7+=) 17...Be6 (17...Ng4 18.c5 dc5 19.bc5+=) 18.c5 Qc7 19.cd6 ed6 20.N1d2 Re8 21.Nd4 Bd7 22.e3 Ng4 23.c4 h5 24.N2f3 Ne5 25.Ne5 de5+= 26.Nb3 Be6 27.Rc1 Rd8+= 28.Bf1 Bf8 29.Nc5+= Bc8 30.Ne4 Be7 31.h4+= Bf5 32.Bg2 Be6 33.Bf1 Bg4 34.Qb3 Kg7 35.c5 Qd7 36.Bc4?? Bf3–+ 37.Nc3 Qh3 (37...Qh3 38.Bf7 Qg2) 0–1. Hilton,Stephen H (1910) – Suder,Ryszard (2145), Dadaj Poland, 2012. (1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

8.ba5 Qa5 9.0-0 Na6 10.d4 d6 11.Nbd2 (11.Re1 b5=) 11...Qh5 (11...Bf5 12.h3= (worse is 12.Qb7 Rfb8 13.Qe7 Rb2-/+)) 12.Bc3 (12.e4 g5=) 12...Rb8 (12...g5 13.h3=) 13.Rfe1 (13.e4 b5=) 13...Bh3 (13...b5 14.a4=) 14.Reb1 (14.e4 Bg2 15.Kg2 b5=) 14...Rfe8 (14...Bg2 15.Kg2 b5 16.a4=) 15.e3 (15.Bh3 Qh3 16.a4 Qe6=) 15...e5 (15...Bg2 16.Kg2 e5 17.de5 de5 18.e4=) 16.Bh3= Qh3 (16...ed4 17.Bd4 Qh3=) 17.Qd1 (better is 17.de5 Nc5 18.Qc2 de5 19.Be5 (19.Ne5? Re5 20.Be5 Ng4–+) 19...Re5 20.Ne5+/–) 17...e4+= 18.Ne1 Ng4 (18...d5 19.Ng2+=) 19.Nf1 d5 (19...b5 20.cb5 cb5 21.Qe2=) 20.cd5 (20.Ng2 Nf6+= (worse is 20...dc4 21.Nf4 Nf2 22.Kf2+/–)) 20...cd5 21.Ba5 Re6 22.Rb6 (22.Qe2 Nf6+=) 22...Rbe8 (22...Rf6 23.Rf6 Nf6 24.Rb1+=) 23.Rab1= Nb8 (23...R8e7!?=) 24.Re6 Re6 25.Rb7 (25.Ng2 g5 26.Rb7 Nc6+=) 25...Nc6 26.Bc7 (26.Qa4 Rf6 27.Rb2 Qh5+= (worse is 27...Na5 28.Qa5 Rf5 29.Qd8 Bf8 30.Ng2+–)) 26...g5 (better is 26...Rf6!? 27.f4 Qf1 28.Kf1 Ne3 29.Ke2 Nd1 30.Kd1 Re6+= (30...Nd4? 31.Rb8 Bf8 32.Be5+–)) 27.Qe2+= Bd4 (27...Nf6 28.Qc2+=) 28.ed4 Rf6 29.f4?? (better is 29.Bb6 Rf2 30.Qf2 Nf2 31.Kf2+=) 29...ef3–+ 30.Nf3 (30.Qf3 Nd4 31.Rb8 Kg7 32.Qf6 Kf6 33.Re8–+) 30...Nd4! 31.Qe8 (31.Nd4 Rf1 Mate attack) 31...Kg7 32.N1d2 Rf3 33.Be5 Kh6 34.Rb6 (34.Qf8 Kh5 35.Qf7 Rf7 36.Rf7 Qh2 37.Kf1 Qh1) 34...Kh5 (34...Kh5 35.Rh6 Kh6 36.Qc6 f6 37.Qf6 Rf6 38.Bf6 Qh2 39.Kf1 Qf2) 0–1. Sergeev,Vladimir (2425) – Zvara,Petr (2415), Extraliga, 2009. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 Qb6)

8.ba5 Qa5 9.0-0 d5 10.cd5 Qd5 11.Nc3=.

8.ba5 Qa5 9.0-0 d6 10.Nc3 Nbd7 11.d3 Qh5 12.d4 Re8 13.Rfe1 Ra5 14.Nd2 e5 15.d5 Nc5 16.Qc2 cd5 17.cd5 e4 (17...Ng4 18.h3 Nf6 19.g4 Ng4 20.Nc4 Nf2 21.Na5 Nh3 22.Bh3 Bh3 23.e4=) 18.Nc4 (worse is 18.Be4 Nfe4 19.Nde4 Ne4 20.Ne4 Bb2 21.Nd6 Ba1 22.Ne8 Bg4 23.Ra1 Qe5-/+) 18...Ra6 19.Nb5 Ng4? (better is 19...Rd8!?+=) 20.h3+– Nf2 21.Kf2 Bb2 (better is 21...e3!? 22.Kg1 Bh3 23.Bg7 Bg2 24.Kg2 Qd5 25.Kg1 Qg5=) 22.Qb2+– (22.Nb2 e3 23.Kg1 Bh3=) 22...Bh3 23.Ne3 Bg2 24.Kg2 Re5 25.Rh1 Qg5 26.Nc4 Na4 27.Qd4 Rd5 28.Qe4 Rb5 29.Qe8 Kg7 30.Rh7!! Kh7 31.Rh1 Qh5 32.Qb5 (32.Qb5 Qh1 33.Kh1+–; 32.Rh5?! Rh5 33.Qf7 Kh8 34.Qg6 Rh7 35.Qe8 Kg7 36.Nd6 Kf6+–) 1–0. Christensen,Kurt Verner – Westermann,Vagn, DEN–ch corr Denmark, 1955. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

8.ba5 Qa5 9.0-0 d6 10.d4 Nbd7 11.Nc3 Nb6 12.e4 Nfd7 13.Rfd1 e5 14.Bf1 Re8 15.Ng5? (15.de5 Nc5 16.Qc2 Bg4-/+) 15...Re7 (better is 15...ed4 16.c5 Rf8–+) 16.de5+= de5 (16...Qe5? 17.Nd5 Qg5 18.h4 (18.Nb6?! Nb6 19.Qb6 Bb2 20.Qb2 Qc5=) 18...cd5 19.hg5 dc4 20.Qc2 Bb2 21.Qb2 Re4 22.Rd6+–; 16...Be5?! 17.f4 Bf6 18.e5 de5 19.Nce4-/+; 16...Re5?! 17.Nf3 Re6 18.Qc2+=) 17.c5 (better is 17.a3!?=) 17...Nc5-/+ 18.Rd8 Bf8 19.Qd1 Nbd7 20.Rf8 Nf8 21.Qd6 Rd7 22.Qe5? (better is 22.Qf6 Qd8 23.Qe5–+) 22...Nd3–+ 23.Qa5 Ra5 24.Bd3 Rd3 25.e5 f6 26.Nge4 fe5 27.f4 ef4 28.Nf6 Kf7 29.Nce4 fg3 30.hg3 Rb5 31.Bc3 h6 32.Rf1 Rf5 33.Bb4 Rf1 34.Kf1 Bf5 35.Ke2 Be4 36.Ne4 Rd4 37.Bf8 Re4 38.Kd3 Ra4 39.Bh6 Ra2 0–1. Boelke,Thomas (1970) – Kettler,Bernhard (2165), Rhein Main op, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

8.ba5 Qa5 9.Nc3 Na6 10.d4 d6 11.0-0 Rb8 12.Nd2 Be6 13.a4 Qh5 14.e3 Bh3 15.f3 Bg2 16.Kg2 Qa5 17.Rf2 e5 18.Nd1 ed4 19.ed4 d5 20.Bc3 ½–½. Kozak,Petr (2200) – Most,Zdenek (2145), Marianske Lazne op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 Qb6)

6.Bg2 d5

7.0-0 a5 8.cd5 ab4 9.dc6 Nc6 (worse 9...bc6 10.a3+=) 10.a3 Be6 (10...Ne4 11.Bg7 Kg7 12.d3=+) 11.ab4= Nb4 (11...Ra1 12.Ba1 Qb6 13.Qa4 Qb4 14.Qb4 Nb4 15.Nc3=) 12.d3 (12.Ra8 Qa8 13.Nd4 Bd5+=) 12...Qb6 (12...Ra1 13.Ba1 Qa5 14.Nc3=) 13.Bd4= Qc7 (13...Qd6 14.Be5 Qb6 15.Bd4=) 14.Be5 (14.Nc3 Nc6 15.Nb5 Qd7=) 14...Qb6 15.Nbd2 (15.Bd4 Qc7=) 15...Nc6 (15...Ng4 16.Bg7 Kg7 17.Qb1=) 16.Rb1 Qa6 17.Bc3 Rfc8 18.Ra1 Qb6 (18...Ba2 19.Bh3 Rc7 20.Bg2=) 19.Qb1 Qb1 20.Rab1 Ra7 21.Rb2 Bd5 22.e4 (22.Rc1 Be6=) 22...Ne4 23.Ne4 (23.de4 Bc3 24.Rc2 Nb4 25.Rc3 Rc3 26.ed5 Nd5=+) 23...Be4=+ 24.Bg7 Bf3 25.Bf3 (25.Bh6 Bg2 26.Kg2 Nd8=+) 25...Kg7 26.Rc1 Rc7 27.d4 Rd7 28.Bc6 ½–½. Jensen,Mo (2060) – Nielsen,Morten Majlund (1925), Xtracon Chess Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.0-0 a6 8.d3= Re8 (8...dc4 9.dc4 Qb6 10.Qb3=) 9.Nbd2 Nbd7 10.cd5 (10.a4 e5=) 10...Nd5 (10...cd5 11.Rc1=) 11.Bg7 Kg7 12.Qb3 e5 13.a4 Qe7 14.b5 Nc5 15.Qb2 (15.Qc4 Be6 16.d4 ed4+–) 15...ab5=+ 16.ab5 Na4 17.Qb3 Nc5 (17...Ndc3 18.bc6 Ne2 19.Kh1=) 18.Qb2 Na4 19.Qb3 ½–½. Groenke,Klaus (1860) – Schramm,Alexander (2005), Ruhrgebiet playoff, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d5 5.Bg2 0-0 6.c4 c6)

7.0-0 dc4 8.Na3 Na6 (8...b5 9.Nc2=+) 9.b5 (9.Nc4!? Nb4 10.Qb3=) 9...cb5-/+ 10.Nb5 Qb6 (10...Nc7 11.Nc7 Qc7 12.Rc1=+) 11.a4 Nd5 (better 11...Be6!?-/+) 12.Bg7= Kg7 13.Rc1 e6? (better 13...Nac7!? 14.Rc4 Nb5 15.ab5 Rd8=) 14.Rc4 Bd7 15.Qa1 Kg8 (15...f6 16.Rb1 Rfc8 17.Rh4 Bb5 18.Ng5+– (18.ab5?! Nc5+–)) 16.Rb1 Qa5 (16...Qd8!?+–) 17.Nd6+– b6?? (17...Bc6 18.Ng5 h6+–) 18.Nb7 1–0. Eberhardt,Michael (1810) – Fuhrmann,Aeke (1780), 30th Kiel Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Bg2 c6)

7.0-0 dc4 8.Na3 b5 9.d3 cd3 10.ed3 (10.Ne5 a5 11.Nd3 ab4=+) 10...a5-/+ 11.Ne5 (11.ba5 Ra5 12.Nc2 Ra4-/+) 11...Nd5 (11...ab4!? 12.Nc2 Qd6-+) 12.ba5-/+ Qa5 (better 12...Ra5 13.d4 Qd6-/+) 13.f4?? (better 13.Nc6 Nc6 14.Bg7 Kg7 15.Bd5=+) 13...Ne3-+ 14.Qe2 (14.Qe1 Nf1 15.Kf1 Bf5-+) 14...Nf1 15.Rf1 (15.Kf1 Qb4 16.Nb1 Bf5-+) 15...Bb7 (better 15...Qb4 16.Nb1 Ra2-+) 16.d4 Ba6 (better 16...b4 17.Nac4 Qa2-+) 17.Nc6?? (better 17.Rc1-+) 17...Nc6 18.Bc6 b4 19.Nc4 (19.Nb5 Rfc8 20.Ba8 Bb5-+) 19...Qa2 20.Ba8 (20.Ra1 Bd4! (20...Qc4?! 21.Qc4 Bc4 22.Ra8-+) 21.Kg2 Qb2 22.Nb2 Be2 23.Ba8 Bb2-+) 20...Bc4 (20...Bd4!? 21.Rf2 Bc4 22.Qd2 Qb1 23.Kg2 Bf2 24.Qc1 Qc1 25.Bc1 Ra8 26.Kf2 Ra2 27.Ke1 Rh2 28.Bd2-+) 21.Qe7 (21.Qd2 Bf1 22.Be4-+) 21…Bf1 (21...Bf1 22.Qb4 Qa8 23.Kf1 Rb8 24.Qb8 Qb8-+) 0-1. MRHZ (2340) - Lance5500 (2590), lichess.org, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.0-0 dc4 8.a4 a6 9.a5 Qd6 10.Nc3 Bg4 11.Qc2 Bf5 12.Qc1 Nbd7 (12...Qb4?! 13.Ba3 Qa5 14.Be7=) 13.Nd1 Nd5 14.Bg7 Kg7 15.Nd4 Be6 (better is 15...Bg4!? 16.Qc4 Nb4=) 16.Qc4= Ne5 17.Ne6 Qe6 18.Qd4 Qf6 19.Qb2 Rfd8 20.Rb1 Nc4 21.Qf6? (better is 21.Qc1 Nd6 22.Ne3=) 21...Nf6–+ 22.Rc1 Nd2 23.Re1 Nd5 (23...Rd4!? 24.Rc2–+) 24.Bd5 Rd5 25.Nc3 Rd4 26.Rc2 Rad8 27.Kg2 Ne4 (27...Rb4!? 28.Rd1 Rbd4 29.Rb2–+) 28.Ne4-/+ Re4 29.Rb2 Red4 30.e3 Rd2 31.Re2 Re2 32.Re2 Rd3 33.Rb2 Kf6 34.Kf3 e5 35.Ke2 Ra3 36.e4 Ke6 37.f3 f5 38.ef5 gf5 39.Kf2 Rd3 40.Kg2 Kd5 Black prepares the advance e4 41.Kf2 Kc4 42.Re2 Rd5 43.f4 e4 44.g4 Kd3 45.g5 Rb5 46.h4 Rb4 47.h5 Rd4 48.Re1 Kd2 49.Re2 Kc3 50.Re3 Kc4 51.Rg3 White prepares g6 51...Rd7 52.g6 hg6 53.Rg6 Kd3 54.h6 e3 55.Ke1? Ke4 56.Rg7 Rd6 57.h7 Rh6 58.Rb7 Kf3 59.Kd1 e2 60.Ke1 Rh1 (60...Rh1 61.Kd2 e1Q 62.Kc2 Qe2 63.Kb3 Qd3 64.Ka4 Qc4 65.Ka3 Qc3 66.Ka4 Ra1) 0–1. Heine – Preckwinkel,W, Dortmund op, 1988. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5)

7.0-0 Nbd7 8.a4 Re8 9.d3 e5 10.Nbd2 e4 11.de4 de4 12.Ng5 Qb6 13.Qb3= c5 (13...a5 A) 14.Nge4?! Qb4 15.Qb4 ab4=; B) worse is 14.Be4 B1) 14...ab4?! 15.c5 Qc5 16.Qf7 Kh8 17.Nh7 Kh7 18.Bg6 Kh8 19.Ne4 Re4 20.Be4=; B2) worse is 14...Ne4 15.c5 (worse is 15.Nge4 Qb4 16.Bg7 Qb3 17.Nb3 Re4=; worse is 15.Nde4 Qb4 16.Qb4 ab4 17.Bg7 Kg7+=) 15...Re7 16.cb6 (worse is 16.Nge4 Qb4 17.Bg7 Kg7+=; 16.Nde4? Qb4 17.Qb4 ab4 18.Bg7 Kg7–+) 16...Nd2 17.Qc2 Bb2 18.Qd2 Ba1 19.Ra1+/–; B3) 14...Qb4 15.Qb4 ab4-/+; C) 14.Nde4?! Qb4 (worse is 14...ab4 15.c5 Qd8 16.Nf6 Nf6 17.Qf7 Kh8 18.Bf6 Qf6 19.Qe8 Qf8 20.Qf8 Bf8 21.Nf7 Kg8 22.Nd6+–) 15.Qb4 ab4+=; D) 14.Bc3 Re7 D1) worse is 15.Be4 c5+= (worse is 15...Ne4 16.Nge4 Bc3 17.Qc3=); D2) 15.Nge4 Ne4 16.Ne4 (worse is 16.Be4 Bc3 17.Qc3 ab4=) 16...Bc3 D21) worse is 17.Nc3 Qb4 (worse is 17...ab4 18.Ne4+=) 18.Qb4 ab4+=; D22) 17.Qc3 ab4 18.Qd2+=; E) 14.c5+/– 0.93) 14.Nge4 (14.a5!? Qc7 15.Nge4 (15.Nde4?! h6 16.Nf6 Nf6=) 15...cb4 16.Qb4 Ne4 17.Be4 Bb2 18.Qb2+/–) 14...Ne4 (worse is 14...cb4 15.a5 Qe6 16.Qb4 Ne4 17.Be4+/–; 14...Qb4?! 15.Qb4 cb4 16.Rfb1=) 15.Ne4 Qb4 16.Qb4 cb4 17.Bg7 Kg7 18.Nd6 (18.e3 Re7+=) 18...Re2+= 19.Nc8 (better is 19.a5!? Rb8 20.Rfb1=) 19...Rc8-/+ 20.Bb7 Rc7 (20...Rc4?! 21.Ba6 Rcc2 22.Be2 Re2 23.Rfe1 Re1 24.Re1=) 21.Bf3 Rc2 22.Rfc1 R7c4 23.Rc2 Rc2 24.Kf1 (24.Be4 Rd2–+) 24...b3 25.Be4 (25.Kg2 b2 26.Rb1 Nc5–+) 25...b2 26.Rb1 Rc1 27.Ke2 Nc5 0–1. Krejci,S (1885) – Plat,V (2280), Open A, Klatovy CZE, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.0-0 Nbd7 8.d3 dc4 9.dc4 Nb6 10.Nbd2 Be6 11.Qc2 Qc8 12.Rfd1 Bh3 13.Bh1 h6 14.a4 Nbd7 15.e4 White intends c5 15...Qc7 16.a5 a6 17.Re1 e5 18.c5 Be6 19.Bg2 Rad8 20.Rad1 Rfe8 21.Bf1 Nh7 22.Bc4 Ndf8 23.h4 (23.Be2 Ng5+/–) 23...Bg4+= 24.Be2 Ne6 25.Nc4 e5 becomes the focus of attention 25...Bf3 26.Bf3 Nd4 27.Bd4 ed4 28.Qd2 Nf8 29.Bg4 Nd7 (29...Re7 30.Qd3+=) 30.Bd7 Rd7 31.f4 g5 (31...Re6!?+=) 32.hg5+/– hg5 33.e5 (33.Nd6 Re6 34.e5 d3+–) 33...gf4 34.gf4 f6? (better is 34...Rd5+/–) 35.Nd6+– Re6?? (35...Red8+–) 36.Qa2 1–0. Marques Taltavull,Antonio (2130) – Bautista Sanchez,Joan (2180), Championship CAT, 2014. (=1.c4 c6 2.Nf3 Nf6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5)

7.0-0 Nbd7 8.cd5 cd5 9.Qb3 Nb6 10.d3 Bg4 11.Nbd2 Rc8 12.Rac1 Qd7 13.Ne5 Qb5 14.Ng4 Ng4 15.Bh3 Rc1 16.Rc1 Nf6 17.Rc7 Na4 18.Bf6 (worse is 18.Re7 Nb2 19.Qb2 Ne4-/+) 18...Bf6 19.Bd7 Qb6 20.Rc2 Bd4? (better is 20...Nb2!?+=) 21.e3 Be3 22.fe3 Qe3 23.Kf1 Nb6 24.Bh3 f5 25.d4 Qd4 26.Qc3 Qc3 27.Rc3 e5 ½–½. Pirou,David – Barre,Arnaud, FRA–chT2, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.0-0 Bf5 8.Nh4 Bg4 (worse is 8...dc4 9.Nf5 gf5 10.Qc2=) 9.h3 Be6 10.e3? (better is 10.c5!?+=) 10...dc4–+ 11.Nc3 Nd5 12.Nd5 Bb2 (12...cd5?! 13.Bg7 Kg7 14.d3+=) 13.Nf4 (better is 13.Rb1 Bg7 14.Nc3–+) 13...Ba1 14.Ne6 fe6 15.Qa1 Qd2 16.Qe5 Qd6 (16...Qa2 17.Qe6 Kg7 18.Qe7 Kg8 19.Qb7=) 17.Qg5 e5 18.Qg4 b5 19.Be4 Rf6 (better is 19...a5 20.a4 Ra6–+ (20...Qb4 21.Ng6 Rf6 22.Ne5 Kh8 23.ab5+–)) 20.Qc8= Rf8 21.Qb7?? (21.Qg4 a5 22.a4–+) 21...Nd7–+ 22.Bc6 Nb6 23.Bb5 (23.Bg2 Qb4 24.Qe4 Rf6–+) 23...Qb4 (better is 23...a6 24.Ba6 Rfb8 25.Qe4 Ra6 26.Nf3–+) 24.a4 Qd6 25.Qe4 Rac8 26.a5 Qd5 27.Qb1 Rc5 28.e4 Rb5 29.ed5 Rb1 30.Rb1 Nd5 31.Rb5 e6 32.Rc5 Rf7?? (better is 32...c3–+) 33.Rc4+= Kg7 ½–½. Vlcek,Marek (1970) – Krejci,Martin (1835), Ricany op, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.0-0 Bg4 8.Qb3 Nbd7 9.d3 Rc8 10.Nbd2 e6 11.Rad1 c5 12.e4 de4 13.de4 cb4 14.e5 Nc5 15.ef6 Nb3 16.fg7 Re8 (better is 16...Nc5!? 17.gf8R Qf8+=) 17.Ne4+– (17.Nb3?! Qe7 18.c5 f6+=) 17...Qe7 18.Nf6 (18.ab3?! Bf3 19.Nf6 Qf6 20.Bf6 Bd1 21.Rd1 Rc7+–) 18...Qf6 19.Bf6 Na5 20.Rd4 Bf3 21.Bf3 e5 22.Rd7 e4 23.Be2 Rc6 24.Bb2 Nc4 25.Bc4 Rc4 26.Rfd1 a5 27.Bf6 b5 28.Re7 Rb8 29.Rdd7 a4 30.Be5 Ra8 31.Rf7 b3 32.Bd6 Rcc8 33.ab3 a3 (33...ab3 34.Rf8 Rf8 35.gf8R (35.Bf8?? b2 36.Kg2 b1Q–+; 35.gf8N? b2 36.Nh7 b1Q 37.Kg2 Qb2–+; 35.gf8Q Rf8 36.Bf8 b2+–; 35.gf8B?! b2 36.Rg7 Kh8=) 35...Rf8 36.Bf8+–) 34.Rf8 Rf8 35.gf8Q (better is 35.gf8R!? Rf8 36.Bf8 Kf8 37.Rh7 Kg8+–) 35...Rf8 36.Bf8 (36.Bf8 Kf8 37.Rh7+–) 1–0. Puskas,Janos (2100) – Kozma,Roland (1650), Centrocoop Sept op–A, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.Na3 a6 8.0-0 Bg4 9.Qb3 Nbd7 10.Rfe1 Re8 11.h3 Bf3 12.Bf3 e6 13.Rac1 Qe7 14.d3 Bh6 15.e3 Rec8 16.Nb1 Bg7 17.Nd2 Ne8 18.d4 Nd6 19.c5 Nf5 20.Bg2 Re8 21.Nf3 h5 22.a4 Qd8 23.Rcd1 Qc7 24.Qc2 e5 25.e4 de4 26.Re4 ed4 27.Nd4 Nd4 28.Bd4 Nf6 29.Rf4 Re6 30.Qc3 Rd8 31.Re1?? Rd4!–+ 32.Rd4 Nd5 33.Bd5 Bd4 34.Qd2 Re1 (34...Re1 35.Qe1 cd5–+) 0–1. Semcesen,D (2460) – Erdogdu,M (2485), Vasylyshyn Mem, Lviv UKR, 2009.

7.Na3 Na6 8.b5 cb5 9.cb5 Nc5 10.Qc2 Nce4 11.0-0 Bg4 12.Bd4 Qa5 13.Qb2 Bf3 14.ef3 Nd6 15.f4 Qd8 16.Rac1 e6 17.Rc2 Nfe8 18.Be5 Rc8 19.Rc8 Nc8 20.Rc1 Nb6 21.Qb4 Nd7 22.Bg7 Ng7 23.Bf1 Nb6 24.Bd3 Ne8 25.Qa5 Qb8 26.Nc2 Nd6 27.Ne3 h5 28.Qb4 Rc8 29.Rc8 Ndc8 30.Qd4 Nd7 31.f5 ef5 32.Qh4 Ncb6=+ 33.Bf5 Qd6 34.Bd7 Qd7 35.a4 d4 36.Nc2 Na4 37.Nd4 Nc5 38.Qf4 Kh7 39.Qe5 Ne6 40.Nf3 a6 41.ba6 ba6 42.d4 Kg8 43.h4 a5 44.Qf6 Qd5-/+ 45.Ng5 Ng5 46.hg5 a4 47.Qf4 Qa8 48.Qd2-/+ a3 49.Qa2 Qa5 50.d5? Qb4–+ 51.Qe2?? Qb2 52.Qe8 Kg7 53.d6 a2 54.d7 a1Q 55.Kg2 Qb7 56.f3 Qbb2 (56...Qbb2 57.Qe2 Qe2 58.Kh3 Qh1) 0–1. Thiede,L (2450) – Midoux,S (2330), 16th Vienna Open, Vienna AUT, 2009.

7.Na3 Na6 8.Bc3 Be6 9.d3 Qd7 10.0-0 Bh3 11.Rc1 Bg2 12.Kg2 Rfd8 13.Qc2 Nc7 14.Qb2 h6 15.cd5 cd5 16.Nc2 a6 17.Be5 Rdc8 18.Ne3 Ne6 19.Nd4 Nf8 20.f4 Qd8 21.Nb3 Rc1 22.Rc1 Rc8 23.Rc8 Qc8 24.Qc3 Qd7 25.Nc5 Qc6 26.Kf2 h5 27.Ke1 Kh7 28.Kd2 Kg8 29.a3 Qb5 30.h3 b6 31.Nb3 Qd7 32.g4 hg4 33.hg4 Ne8 34.Bg7 Ng7 35.Qe5 e6 36.Qb8 Qa4 37.Nd4 Qa3 38.Nec2 Qa4 39.Qb6 Nd7 40.Qc7 Nf8 41.Qc8 Qe8 42.Qa6 f6 43.Nc6 Qd7 44.b5 Qd6 45.Qc8?? Qf4= 46.e3 Qh2 47.Kc1+– Qd6 48.b6 Kh7 49.Qc7 Qd7 50.Nb8 Qe8 51.b7 (51.b7 Kg8 52.Nc6+–) 1–0. Boyd,John M (1890) – Kulczycki,Michael (1950), BI–2007–F–00006, 2008.

7.Na3 b6 8.0-0 Bb7 9.Rc1 Nbd7 10.Qc2 c5 11.bc5 Nc5 12.cd5 Bd5 13.d3 Rc8 14.Qb1 Qd7 15.Qa1 Na4 16.Be5 Rc1 17.Rc1 Rc8 18.Rc8 Qc8 19.e4 Bb7 20.h4 Qd7 21.Bd4 Ne8 22.Bg7= Ng7 23.Ne5 Qc8 24.Qd1 Nc5 25.Qf3 Qe6 26.Ng4 Nh5 27.Bh3 f5 28.Nh6=+ Kg7 29.Bf5?? Qf6 30.Ng4 Qf5!–+ 31.Qf5 gf5 32.ef5 Nd3 33.Ne3 Nb4 0–1. Zimmerer,Martin – Doerr,Klaus, Baden–ch MB1, 1982.

7.Na3 b6 8.0-0 Bb7 9.d3 Nbd7 10.Qc2 c5 11.bc5 Nc5 12.Nd2 dc4 13.Qc4 Bg2 14.Kg2 Rc8 15.Rac1 Qd7 16.Qh4 Qe6 17.Rfe1 Qa2 18.Nac4 Qa4 19.Kg1 Qd7 20.Ra1 Qb7 21.Reb1 Rfd8 22.Qh3 Nd5 23.Ne5 Nd7 24.d4? (better is 24.Nec4!?-/+) 24...Ne5–+ 25.de5 Rc2 26.Nf3 Re2 27.Ng5 (better is 27.Qf1 Rc2 28.Qd3–+) 27...h6 28.Qg4 (28.Nf3 Nb4 29.Ne1–+) 28...Rb2 (28...hg5 29.Qe2 Nc7 30.Rd1 Rd1 31.Qd1+=) 29.Nf7 (29.Rb2 Be5 30.Nf7 Kf7 31.Qe2 Bb2 32.Qb2–+) 29...Rb1 30.Rb1 Kf7 31.e6 Kg8 32.Qg6 Nc3 33.Re1 Qf3 (33...Qf3 34.Qc2 Qd3–+) 0–1. Bores,Miroslav (2205) – Krueger,Rainer (2215), Oberliga, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.Na3 e6 8.0-0 a5 9.Qb3 (9.b5 Bd7=) 9...Re8 (9...ab4 10.Qb4 Na6 11.Qb3=) 10.b5 Nbd7 (10...a4 11.Qd3=) 11.d4 c5 (11...a4 12.Qb4=) 12.Ne5 cd4 13.Bd4 Ne5 (13...Ne4 14.Rad1 (< 14.cd5 Nd2 15.Qb2 Nf1=+) 14...Ne5 15.Be4 de4 16.Be5+=) 14.Be5 dc4 (14...b6!?+=) 15.Nc4+/– Nd5 (15...a4 16.Qb2 Nh5 17.Rad1+/–) 16.Bg7 Kg7 17.e4 Ne7 (17...a4 18.Qb2 Nf6 19.Rfd1+–) 18.Rac1 (18.Rfd1 Qc7+/–) 18...Ng8 (18...Qd4 19.Rfd1 a4 20.Qf3+– (20.Rd4?! ab3 21.ab3 Rf8+–)) 19.Rfd1 Qf6 (19...Qe7 20.Nb6 Rb8 21.e5+–) 20.e5 Qe7 21.Nb6 Rb8 22.Qc3 a4 23.Qc4 a3 24.Qa4 Nh6 25.Qa7 (25.Qa7 Bd7 26.Nd7+–) 1–0. bschardein (2605) – gtan (2325), net–chess.com, 2006.

7.Na3 e6 8.0-0 Nbd7 9.d3 (9.Qb3 Qc7=) 9...dc4 (9...Re8 10.Rc1=) 10.Nc4+= Qe7 11.Qd2 Nb6 (11...Rd8 12.Rfb1+=) 12.Nce5 (12.Nb6 ab6 13.b5 Bd7+=) 12...Nbd7 (12...Na4 13.a3=) 13.Bd4 Ne5 14.Ne5 Rd8 15.Qb2 (15.Qc3 Qc7 16.Rac1 Nd5 17.Bd5 Rd5=) 15...Rd5 (better is 15...Ne8!?+=) 16.Bd5+/– (16.Bd5 ed5 17.Rfc1+–) 1–0. Janek – dernoja, internet, 2016.

7.Na3 e6 8.0-0 Nbd7 9.Bd4=.

7.Na3 Bf5 8.0-0 Nbd7 9.d3 Re8 10.Nh4 e5 11.Nf5 gf5 12.cd5 cd5 13.Qb3 Nb6 14.Rac1 Qd7 15.Rc2 d4 16.Rfc1 Rac8 17.Nc4 Nc4 18.Rc4 Bh6 19.R1c2 Red8 20.Rc5 Rc5 21.Rc5 Bf8 22.Re5+– Bd6 23.Ra5 b6 24.Ra4 Bf8 25.b5 Bc5 26.Bc1 Kg7 27.Bf3 Ng8 28.Qb2 f6 29.Bc6 Qf7 30.Qd2 1–0. Niermann,Michael – Vollmer,Michael, Bochum Post op, 1991.

7.Qb3 a5!?-/+.

7.Qb3 Re8 8.0-0= Nbd7 (8...Na6 9.Na3=) 9.d3 (9.cd5 cd5 10.Rc1 a5+=) 9...e5 (9...dc4 10.dc4 a5 11.a3+=) 10.Nbd2 (10.cd5 Nd5 11.e4 Nc7+=) 10...a5 11.a3 (11.cd5 cd5 12.Rfc1 a4=) 11...Qe7 (11...b6 12.cd5 cd5 13.Rfc1=) 12.e3 (12.cd5 cd5 13.Rfc1 a4=) 12...b6 13.Rfc1 (13.cd5 cd5 14.Rfc1 a4=) 13...Bb7 (13...ab4!? 14.ab4 Ra1 15.Ra1 Qd6+=) 14.cd5+= Nd5 15.e4 Nc7 16.ba5 (16.Nc4 Red8+=) 16...Ra5 17.a4 b5 18.Ba3 Qe6 (better is 18...c5 19.ab5 A) 19...Nb5? 20.Nc4 Ra3 21.Na3+– (21.Qb5?! Ba6 22.Qc6 Ra1 23.Ra1 Nb8=; 21.Ra3?! Na3 22.Qb7 Nc4 23.dc4 Qd6=); B) 19...Rb5+=) 19.Qc3 (better is 19.ab5 Qb3 20.Nb3 Rb5 21.Nbd2+=) 19...Ra4-/+ 20.h4 (20.Bb4 Rea8-/+) 20...Rea8 21.Kh2 Qe8 22.Bd6-/+ Ne6 23.Ra4 Ra4 24.Ne5? Nd4 25.f4? Ne5 26.fe5 Be5 27.Be5? Qe5 28.Nb3 Qd6 Black prepares b4 29.Nc5? Ra7 30.Re1 Qe5 31.Rc1? Qf6 32.Kh1? b4?? 33.Qb2= Ba6 34.Ra1 Qd6 35.Na6?? c5–+ 36.e5 Qe5 37.Ra5? Qg3 38.Rc5 Qh4 39.Kg1 Ra6 40.Rc8 Kg7 41.Rc4 Rd6 42.Rb4 Qe1 43.Kh2 Qe5 44.Kh1 Nc6 45.Qe5 Ne5 46.d4 Ng4 47.d5 Ne5 48.Bf3?? f5 49.Rb7 Kh6 50.Rb3?? Ng4 51.Rc3 Nf2 52.Kg2 Ne4 53.Be4 fe4 54.Re3 Kg5 55.Re4 Rd5 56.Kg3 Rd3 57.Kg2 Kh5 58.Re7 h6 59.Re5 g5 60.Re6 g4 61.Re2 Kh4 62.Ra2 h5 63.Rb2 Rd5 64.Ra2 Kg5 65.Rb2 h4 66.Ra2 h3 67.Kh2 Kh4 68.Ra4 Rd2 69.Kg1 Re2 70.Rb4 Kg3 71.Rb3 Kf4 72.Rb8 g3 73.Rf8 Ke3 74.Re8 Kd2 75.Rd8 Ke1 76.Rh8?? h2 77.Kh1 g2 78.Kh2 Kf1 (78...Kf1 79.Rf8 Rf2 80.Rf4 g1Q 81.Kh3 Qh2 82.Kg4 Qf4 83.Kh5 Qg3 84.Kh6 Rh2#) 0–1. Bae,T (2275) – Grubert,C (2170), Troll Masters, Gausdal NOR, 2001. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 d5)

7.Qc2 a5 8.ba5 dc4 9.Na3 Ra5 10.Nc4 Rc5 11.Bd4 Bf5 12.d3 Rb5 13.0-0 Bg4 14.Nce5 Be6 15.a4 Rd5 16.Bb2 Nbd7 17.Nd7 Rd7 (17...Bd7 18.Rab1 Bc8 19.Rfc1+=) 18.Ng5 Bg4 19.h3 h6 20.Nf7 Rf7 21.hg4 Ng4 22.Bg7 Kg7 23.Qc3 White prepares the advance a5 (23.Bh3 h5+/–) 23...Nf6 24.a5 Kh8 (24...Rc7!?+=) 25.a6+/– ba6 26.Ra6 e5 (26...Rc7 27.Bc6 Qd6 28.Rfa1+/–) 27.Qc6 (better is 27.Bc6 Rc7 28.Qe5+–) 27...Rc7?? (27...Kg7 28.Qc3+/–) 28.Qe6 (better is 28.Ra8 Qa8 29.Qa8 Kg7 30.Qa1+–) 28...Rce7 29.Qc6 h5?? 30.Rc1 Qd4 31.Qb6 Qb6 32.Rb6 e4 33.d4 e3 34.f3 Rd7 35.Rcc6 Kg7 36.Rc4 g5 37.Rb5 Kg6 38.Rcc5 Rd4 39.Rg5+– Kh6 40.Rge5 Rd1 41.Kh2 h4 1–0. Arnaudov,Petar – Kirov,Nino, BUL–ch, 1971. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.Nf3 d5)

7.Qc2 a5 8.b5 dc4 (8...cb5 9.cb5 (9.cd5 Qd5 10.Nc3 Qh5 11.h3 b4 12.Ne4 Nc6 13.Nf6 ef6 14.Nd4+= –0.47) 9...Bf5 10.d3+= Qd6 11.0-0 Rc8 12.Qd2 a4 13.Na3 Bg4 14.Rfc1= 0.00; 8...Bf5 9.d3 cb5 10.cd5 Qd7 11.e4 Rc8 12.Qb3 a4 13.Qa3 Na6 14.Ne5+= –0.44; 8...a4 9.cd5 (9.bc6 Nc6 10.cd5 Nb4 11.Qc4 Nbd5 12.0-0 Bd7 13.Qh4 h6 14.Ne5= 0.03; 9.Na3 Bf5 10.d3 cb5 11.Nb5 a3 12.Bc1 dc4 13.Qc4 Qb6 14.Be3= 0.00; 9.0-0 cb5 10.cb5 Qb6 11.Na3 Bf5 12.d3 Rc8 13.Qd2 Qd6 14.Rac1= 0.06) 9...cd5 10.Bd4 Bf5 11.d3 Qd6 12.Nc3 Rc8 13.h3 Bd7 14.Qd2= 0.13) 9.Na3 (9.Qc4 a4= (9...Bd7 10.bc6 Nc6 11.Nc3 Rc8 12.Qb3 Nb4 13.a3 Be6 14.Qa4= 0.00) 10.0-0 Be6 11.Qb4 Qd6 12.Qh4 cb5 13.Ng5 h6 14.Ne6+= –0.47) 9...cb5+= 10.Nb5 Qb6 (10...Be6 11.Ne5 Na6 (11...Qb6 12.a4+= Rc8 13.Rb1 Qa6 14.Nd4+= –0.53) 12.Rf1 Nd5 13.Bd4 Ndc7 14.Nf3-/+ –1.19) 11.a4 (11.Qc4 Be6 12.Qd3 Bf5+= 13.Qc4 Rc8 14.Bd4+= –0.53) 11...Ng4 12.0-0 Bb2 (12...Bf5 13.Qc1 Bb2 14.Qb2+= –0.47) 13.Qb2 Nc6 (13...Bd7 14.h3 Nf6 15.Ne5=) 14.Qc3 (14.Rac1= 0.22) 14...Rd8 (14...Be6 15.Ng5 Rad8 16.Ne6 fe6 17.Qc4 Nf2 18.Qe6 Kh8 19.Bc6 bc6 20.Rab1 Rd2 21.Qe5 Rf6 22.Nd6 Nd3 23.Rb6 Ne5 24.Rb8 Kg7 25.Ne8 Kf7 26.Nf6 ef6 27.Ra8+=) 15.Qc4+= Be6 (15...Bf5 16.h3 Nge5 17.Ne5 Ne5 18.Qf4+=) 16.Qf4 ½–½. Cafferty,B (2180) – Barrett,S (2210), 4NCL, Birmingham ENG, 2001. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.g3 c6 6.Bg2 d5)

7.Qc2 a5 8.cd5 ab4 9.dc6 Nc6 10.0-0 Be6 11.a3 Nh5 12.Bg7 Ng7 13.Qb2 Qa5 14.d4 Bd5 15.e3 Rfd8 16.Nfd2 (16.Rc1!?+=) 16...Bg2+= 17.Kg2 e5 18.de5 Ne5 19.Ne4 (better is 19.e4!?=) 19...Nc4-/+ 20.Qe2 b5 21.Qf3 (better is 21.Nbd2 Nd2 22.ab4 Qa1 23.Ra1 Ra1 24.Nf6 Kh8 25.Qb5-/+) 21...Qb6?? (better is 21...ba3 22.Rc1 Ne6–+) 22.Nf6+= Kh8 23.Nd5 Qe6 24.Nb4 Nf5 25.Nc3 Nd2-/+ 26.Qf4 Nf1 27.Rf1 Ra3 28.Ne4 Re8 29.Ng5 Qe7 30.e4? Qb4–+ 31.Nf7 Kg8 32.Ng5 h6 33.Nf3 0–1. Wittke,Martin (2240) – Janjgava,Lasha (2490), Baden–Baden op, 1991. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.Qc2 Na6 8.a3 dc4 9.Qc4 Be6 10.Qh4 Bd5 11.Nc3 Bf3 12.Bf3 Nc7 13.Rd1 Nfd5 14.0-0 e6 15.Qd8 Rfd8 ½–½. Kuehn,Carsten (1875) – Schaffarth,Marianne (2065), Saarlouis op 1st, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.Qc2 dc4 8.Qc4 Qd5 9.Qc2 Nbd7 10.d3 Nb6 11.e4 Qd8 12.Nbd2 Bd7 13.a4 Rc8 (13...a5 14.ba5 Ra5 15.Bc3=) 14.0-0+= Na8 15.Nb3 b6 16.d4 Rc7 17.h3 Be8 18.Rfd1 Kh8 19.Qe2 White intends b5 19...Ng8 20.b5 cb5 21.ab5 Qc8 22.d5 Rc2 23.Bg7 Kg7 24.Rdc1 Rc7 (24...Re2? 25.Rc8 Bb5 26.Rf8 Kf8 27.Ra7 Re4 28.Ra8 Kg7 29.Ra1+–) 25.Qb2 Nf6 26.Nfd4 Rc1 27.Rc1 Qb7 (27...Qd8+–) 28.Nc6 Kh6 29.d6! (29.d6 Nh5 30.Bf3+–) 1–0. Spiridonov,Nikola – Suer,Nevzat, Athens zt, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 d5)

7.Qc2 dc4 8.Qc4 Be6 9.Qc2 Qc8 10.0-0 Bh3 11.Nc3 Bg2 12.Kg2 Nbd7 13.Rfc1 Qc7 14.Ne4 Ne4 15.Bg7 Kg7 16.Qe4 Nf6 17.Qc4 Qd6 18.b5 Rac8 19.Qa4 cb5 20.Qa7 Qa6 21.Qe3 e6 22.Qb3 b6 23.Qb2 Rc5 24.Rc5 bc5 25.g4 h6 26.h4 Qa4 27.g5 hg5 28.hg5 Qg4 29.Kf1 ½–½. Sciallero,Vittorio – Borroni,Enrico, ITA–chT3 corr, 1986. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.Qc2 e6 8.0-0 b6 9.a4 Bb7 10.d4 Na6 11.Ba3 Re8 12.Nbd2 Rc8 13.b5 cb5 14.ab5 Nc7 15.c5 (better is 15.Qb2+=) 15...Nb5-/+ 16.Bb4? (better is 16.Qd3!? Na3 17.Ra3 bc5 18.Ra7-/+) 16...a5–+ 17.Qd3 Ba6?? (17...Nd4 18.Nd4 ab4 19.Ra7–+) 18.Ba3? (18.cb6 Nc3 19.Qa6 ab4 20.b7-/+) 18...Nc7 (better is 18...bc5!? 19.Bc5 Nd7 20.Qe3–+) 19.Qb3 bc5 20.Bc5 Be2 21.Rfc1 Na6 22.Bb6 Rc1 23.Rc1 Qb8 24.Ba5 Bf3 25.Qf3 Qb2 26.Rb1 Qa2 (better is 26...Qd4!? 27.Bc3 Qg4–+) 27.Qc3-/+ Qa4?? (27...Rb8 28.Rb6 Rb6 29.Bb6-/+) 28.Ra1?? (28.Bf1 Nd7 29.Bb5 Qd4 30.Qd4 Bd4 31.Bd7+/– (worse is 31.Ba6 Ra8 32.Bb5 Ra5 33.Bd7 Ra2=)) 28...Qd7-/+ 29.Bf1 Nb8 30.Qb2 Ne4 31.Nf3 Nd6 32.Nd2 Nc6–+ 33.Bc3 Rb8 34.Nb3 Qb7 35.Rb1 Ne4 36.Nc5?? Qb2 37.Rb2 Nc3 38.Rc2 Bd4 39.Nd7 Rb7 40.Nc5 Rb1 41.Kg2 Nb4 (41...Nb4 42.Rc3 Bc3–+) 0–1. Algaba Traspuesto (1765) – Hernandez del Can (1855), Madrid–ch Seniors, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.Qc2 Be6 8.d3 dc4 9.dc4 Bf5 10.Qb3 Na6 11.a3 Qb6 12.Nbd2 Nc5?? (better 12...Rfd8=) 13.bc5+- (13.bc5 Qb3 14.Nb3+-) 1-0. is_er_nog_hoop (2510) - zakramnika (2515), Rated blitz game, lichess.org, 2020.

7.Qc2 Bf5 8.d3 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 dc4 12.Qc4 Nbd7 13.Nbd2 Nb6 14.Qc1 Qc8 15.0-0 Bh3 16.Re1 Bg2 17.Kg2 Nbd5 18.Qc4 b5 19.Qc5 Nd7 20.Qa7 Ba1 (20...Nb4? 21.Bg7 Rd8 22.Bb2+–) 21.Ra1 Nb4 22.Qa5 Nd5 23.e4 N5b6 24.Qc3 Na4 25.Qc2 Qb7 26.Rb1 Ra8 27.Nd4 Ra6 28.Rc1 c5 29.Ne2 b4 30.d4 cd4 31.Nd4 Nc3 32.N2b3? (32.N4b3 f5 33.Re1 e5–+) 32...Qb6 (better is 32...Ra2 33.Qd3 Ne5–+ (33...Qe4?! 34.Qe4 Ne4 35.Rc2–+; worse is 33...Ne4 34.Rc6 Nf2 35.Qf3–+)) 33.Ra1?? (better is 33.Qd2–+) 33...Ra1 34.Na1 Qc5 (better is 34...Qd4 35.Nb3 Qe4 36.Qe4 Ne4–+) 35.Nab3 Qc4 36.Nf3 Qe4 (36...Qe4 37.Qe4 Ne4–+) 0–1. Hartlaub,Marianne – Lein,Marina (1970), Wch Seniors (Women), 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.Qc2 Bf5 8.d3 Qd7 9.0-0 Bh3 10.a4 Bg2 11.Kg2 Na6 12.b5 Nc7 13.Nbd2 cb5 14.ab5 Rfc8 15.Qb3 Ne6 16.Ra2 dc4 17.Nc4 Rc5 18.b6 a6 19.Ba3 (better is 19.Rc1!?=) 19...Rb5-/+ 20.Qa4 Nd5 21.Nce5 Qd8 22.Rc2 (better is 22.Bb2!?-/+) 22...Nb6–+ (22...Rb6?! 23.e4 Nf6 24.Qa5+=; 22...Qb6?! 23.Rfc1-/+) 23.Qh4 (23.Qe4 f5 24.Qb7 Be5 25.Be7–+) 23...Be5 (23...Re5?! 24.Ne5 Be5 25.Be7 Qd5 26.Kg1–+) 24.Ne5 Re5 25.Be7 Qe7! 26.Qe7 Nf4!! 27.gf4 Re7 28.e4 Rc8 29.Rc8 Nc8 30.Kf3 Rd7 31.Ke3 Ne7 32.d4 f5 33.f3 Kf7 34.Rb1 b5 35.Ra1 Ra7 36.d5 Nc8 37.Kd4 a5 38.e5 b4 39.Rc1 Ne7 40.d6 a4 41.de7 a3 42.Re1 b3 (42...Ke7?! 43.Kc4 Rb7 44.Kb3–+; 42...Re7?! 43.Kc4 Rb7 44.Kb3–+) 43.Kc3 Rb7 44.Rd1 b2 45.Kc2 a2 46.e6 Ke7 47.Rd7 Rd7 48.ed7 b1Q (48...b1Q 49.Kd2 a1Q 50.d8Q Kd8 51.h3 Qd4 52.Ke2 Qbd1) 0–1. Giuberchio,Cesare (1935) – Bosi,Clint (2045), PV Province–ch, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.c5 b6 8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Qa4 Bb7 13.Rc1 Qa8 14.d3 b5 15.Qb3 Nc5 16.Rc5 Qa1 17.Rc2 Ra8 18.e3 Qa4 19.Nbd2 Qa1 20.Bf1 Ra3 21.Qb2 Qb2 22.Rb2 Ra4 23.Nb1 Ne4 24.Rb3 Nd6 25.d4 Nc4 26.Bc4 dc4 27.Rb2 c5! (28.Ne1 cd4 29.ed4 Bd4–+) 0–1. Vyparina,Matej (2120) – Jirkvalishvili,Otar (2170), EU–ch U16 Mureck, 1998.

7.c5 Be6 8.d4 Nbd7 9.Nc3 a5 10.b5 Rb8 (10...Ne4 11.Ne4 de4 12.Ng5+=) 11.Rb1 (11.0-0 cb5 12.Nb5 Qc8=) 11...Bg4 (11...Ne4 12.Qb3+=) 12.b6 Bf3 13.Bf3 e5 14.e3 ed4 15.ed4 (15.Qd4?? Ne4 16.Qd3 Ne5 (16...Nec5?! 17.Qc2–+; 16...Ndc5?! 17.Qc2-/+) 17.Be4 Nd3 18.Bd3 d4–+) 15...Re8 16.Ne2 Ne4 17.0-0 h5 18.Bc1 Qf6 19.Bb2?? (19.Bf4 Ra8=) 19...Bh6 (better is 19...Qf3 20.Nf4 Qd1 21.Rfd1 Bh6–+) 20.Be4+= Re4 21.Bc1 Bc1 22.Rc1 Rbe8 23.Nf4? (23.Rc2 h4+=) 23...Qg5 (better is 23...Qd4 24.Qc2 Qb4–+) 24.Rc2?? (better is 24.Qd2=) 24...Rf4–+ 25.Re2 (25.Qd2 Rg4–+) 25...Re2 26.Qe2 Re4 (26...Rd4!? 27.Qe8 Nf8 28.Qa8–+) 27.Qd3 h4 28.Kh1 (28.Rd1 hg3 29.hg3 Nf8–+) 28...h3 (28...Qf6 29.Qc3–+) 29.Rd1 (29.f4 Qe7 30.a4 Re1–+) 29...Qf5 30.f3 (30.Qf1 Qf6 31.f4 Rd4 32.Re1–+) 30...Re1! 31.Re1 Qd3 32.Rg1 (32.Re8 Kg7 33.Re1 Qf3 34.Kg1 Qg2) 32...Qf3 (32...Qf3 33.Rg2 Qg2) 0–1. workchess (2280) – tomy (2410), net–chess.com, 2016.

7.c5 Bf5 8.0-0 Re8 9.d4 Nbd7 10.Nbd2 Qc8 11.Qb3 Ne4 12.e3 e5 13.a4 White prepares b5 13...h6 14.b5 Rb8 15.Ne4 de4 16.Ne1 (16.Ne5 Be5 17.de5 Nc5=) 16...Be6 17.Qc3 ed4 18.ed4 f5 19.Rb1 Nf6 20.Nc2 Ba2 21.Rbc1 Qe6 22.Ne3 Nd5 23.Nd5 Bd5 24.Rfe1 a6 25.Bf1 ab5 26.ab5 g5 27.Bc4 f4 28.f3 e3 29.Bd5 Qd5 (29...cd5?! 30.Re2+=) 30.Qc4 Red8 31.b6 Kf8 32.Qd5 Rd5 (32...cd5?! 33.Ra1+=) 33.Rc4 Ra8 34.Kf1 Ra2 35.Bc3? Rh2–+ 0–1. Ewin,Hans Peter – Rath,Gottfried, Hessen–ch MVT, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Bg2 c6)

7.c5 Bg4 8.h3 (8.a4 Nfd7 9.Bg7 Kg7+=) 8...Bf5 (8...Bf3 9.ef3 Nfd7 10.Qb3+=) 9.g4 (9.d3 Ne8 10.Bg7 Ng7=) 9...Bd7 (9...Be4 10.d3 Bf3 11.Bf3=) 10.d3 Na6 (10...a5 11.a3=) 11.a3 (11.Bc3 Ne8 12.Bg7 Ng7=) 11...Nc7 12.Nbd2 a5 13.0-0 (better is 13.Qb1!?+=) 13...ab4 14.ab4 Ra1 15.Qa1 Nfe8 16.Bg7 Ng7 17.Rb1 (17.Qb2 h5 18.g5 Qc8=) 17...Nb5 18.Nd4 Nd4 19.Qd4 Qc7 (19...f5 20.gf5 Bf5 21.b5=) 20.b5 (20.Ra1!?=) 20...Ne6+= 21.Qb4 cb5 22.Bd5 (22.d4+=) 22...Qc5?? (better is 22...Nf4!? 23.Bf3 Nh3 24.Kg2 Nf4 25.Kf1 Ra8-/+) 23.Bb7 (23.Be6 Qb4 24.Bf7 Rf7 25.Rb4 Rf6=) 23...Qb4 24.Rb4 Rb8 25.Bg2 Nc7 26.f4 Na6 27.Rd4 Be6 28.e4 (28.Re4 Kf8=) 28...f5 (28...b4 29.Kf2=) 29.gf5 gf5 30.ef5 Bf5 31.h4 b4 32.Nb3 Bg4 33.Bd5 Kf8 34.Bc4 Bd1 35.Ba6? (better is 35.Na5=) 35...Bb3-/+ 36.Bc4 Bc2 37.Rd5 b3 38.Rg5 e6 39.Be6 Ke7 40.Bb3 Rb3 ½–½. Wilson,L – Ross,DC, Combined Services–ch, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.d3 a5 8.b5 (8.cd5 Qd5 9.Nc3 Qd6 10.ba5 Ra5=) 8...dc4 (8...cb5 9.cb5 Bg4 10.0-0=) 9.dc4 a4 (9...Qd1 10.Kd1 Be6 11.Nbd2+=) 10.a3 (10.0-0 cb5 11.cb5 Qa5=) 10...Qd1+= 11.Kd1 cb5 12.cb5 Bd7 (12...Ra5 13.Nd4+=) 13.Nc3 Be6 (13...Ra5 14.Ne5 Bb5 15.Bb7 Rd8 16.Ke1+=) 14.Nd4 (better is 14.Ke1=) 14...Nbd7?? (better is 14...Rd8 15.e3 Bc4=) 15.Bb7 (15.Ne6 fe6 16.Bb7 Rab8+–) 15...Rab8 (15...Ra7 16.Ne6 fe6 17.Bf3+–) 16.Bc6 (16.Ne6 fe6 17.Bc6 Nb6+–) 16...Nc5 (16...Bb3 17.Nb3 ab3 18.f4+–) 17.Ne6 Ne6 18.e3 Ng4 19.Ke2 Ne5? (19...Rfc8 20.Rab1 (20.Na4?! Bb2 21.Ra2 Bg7=) 20...Ne5 21.Nd5+–) 20.Na4 Ra8? 21.Nb6 Rab8 22.Nd5 Nc6 23.Bg7 Kg7 24.bc6 Rb2 25.Kf3 Rb3 26.Rhb1 Rd3? 27.Ne7 Re8 28.Rb7 Kf8 29.Ke2 Rc3 30.Ng6?? hg6+= 31.Rb6 Rc6 32.Rb4 Ra8 33.a4 Ra5 34.Rb5 Rca6 35.Ra5+= Ra5 36.f4 Nc5+=. gbsrao (2340) – croach (2285), net–chess.com, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.d3 dc4 8.dc4 Qb6 9.a3= Bg4 (9...c5 10.Qa4=) 10.0-0 (10.c5 Qb5=) 10...Rd8 11.Qc2 (11.Qb3 c5=) 11...Nbd7 (11...Bf5 12.Qc1=) 12.Nbd2 Nf8 (better is 12...h6=) 13.Bd4?? (13.c5 Qb5=) 13...Qc7?? (better is 13...Rd4 14.Nd4 Qd4–+) 14.Be5 Qc8 15.Rfd1 N8d7 16.Bb2 Nb6 17.Rac1 Qe6 18.Nd4 Qd7 19.N2f3 Qc7 20.a4 Rd7 21.a5+= Nc8 22.h3 Bf3 23.Nf3 Nd6 24.Ne5+– Rdd8 25.a6! b6 26.Nc6+– Rdc8 27.b5 Nf5? 28.e4 Nh6 29.e5 Ne8 30.Qe2 e6 31.Ba3 Bf8 32.Qe3 Bg7? 33.Ne7 Kh8 34.Nc8 Rc8 35.Bc6 Rd8 36.Rd8 Qd8 37.Qf3 Be5 38.Rd1 Qc8 39.Qe3 Nf5 40.Qe5 Kg8 41.Bd7 Qa8 42.Bb2 Neg7 43.g4 f6 44.Be6 Ne6 45.Qe6 Kf8 46.Qf6 Kg8 47.Qh8 Kf7 48.Qa8 (48.Qa8 Nd4 49.Qa7 Ke8 50.Ba3 Nf3 51.Kh1 g5 52.Qd7) 1–0. gbsrao (2065) – guerino (2125), net–chess.com, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.d3 dc4 8.dc4 Qd1 9.Kd1 Rd8 10.Kc1-/+.

7.d3 dc4 8.dc4 Qd1 9.Kd1 Rd8 10.Kc2 Bf5 11.Kb3 a5 12.Nc3 (better is 12.ba5!? Nbd7 13.h3 Nc5 14.Kb4-/+) 12...ab4–+ 13.Kb4 (13.Na4 b5 14.Nb6 Ra6–+) 13...Na6 14.Kb3 Nc5 15.Kb4 Nce4 (better is 15...Nfd7 16.a4 e5–+) 16.Ne4+= Be4 17.a4 Ra6 18.a5 b6 19.Be5 ba5 20.Ra5 Ra5 21.Ka5 Nd5! 22.cd5 (22.cd5 Rd5 Double attack (22...Ra8 Decoy)) 22...Rd5 23.Ka6 Be5 (23...Re5?! 24.Ne5 Bg2 25.Rg1=) 24.Rc1 Bd6 (24...Bc7 25.Ne1 Bg2 26.Ng2-/+) 25.Rc6+= Rd1 26.Rc4 f5 27.Nh4 (27.Ka5!?+=) 27...Bg2-/+ 28.Ng2 Rf1 29.f4 Rf2 30.Ne3 Re2 31.Nd5 (31.Nf1!?-/+) 31...Rh2–+ 32.Rc8 Kf7 0–1. gbsrao (2290) – ferdyrojo (2360), net–chess.com, 2010. (=1.Nf3 Nf6 2.g3 g6 3.b4 c6 4.Bg2 d5 5.Bb2 Bg7 6.c4 0-0)

7.d3 Bf5 8.0-0= Re8 (8...dc4 9.dc4 Qb6 10.a3=) 9.Re1 (9.Nbd2 a5=) 9...e5 (9...dc4 10.dc4 Nbd7 11.Nd4=) 10.Ne5 (10.cd5 cd5 11.Be5 Nc6+=) 10...Ng4 11.Ng4 Bb2 12.Nd2?? (better is 12.Nh6 Kf8 13.Nd2+=) 12...Bg4–+ 13.Rb1 Bg7 (13...Bd4 14.cd5 Qb6 15.Kh1 Bf2 16.Ne4 Be1 17.Nf6 Kf8 18.Ne8–+) 14.f3 (14.cd5 cd5 15.Qb3 Be6–+) 14...Be6 15.e4 (15.Qc2 dc4 16.dc4 Na6–+) 15...Bd4 (15...dc4 16.dc4 Bc3 17.Nb3 Be1 18.Qd8 Rd8 19.Re1 Bc4 20.Na5 Ba2 21.Nb7–+) 16.Kh1 Na6 (16...dc4 17.Nc4 b5 18.Nd2–+) 17.Nb3 (17.ed5 cd5 18.f4 Qd6–+) 17...Bc3 18.Re2 Bb4 19.cd5 cd5 20.Nd4 de4 21.fe4 Qd4 22.Reb2 Rab8 23.a3 Ba3 24.Rb7 Rb7 25.Rb7 Rc8 (25...Rc8 26.Qg1 Rc1 27.Qc1 Bc1–+) 0–1. gbsrao (2120) – rhudlow (2235), net–chess.com, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.d3 Bg4 8.0-0 Qc8 9.Re1 Bf3 10.Bf3 e6 11.Nd2 Nbd7 12.Qc2 Re8 13.e4 de4 14.de4 e5 15.c5 b5 16.a4 a6 17.Ra2 Rd8 18.Rea1 Qb7 19.Nb3 h5 20.Bg2 Ne8 21.ab5 ab5 22.Ra8 Ra8 23.Ra8 Qa8 24.Na5 Qc8 25.Qd3 Nf8 26.f4 f6? (better is 26...Qc7!?+/–) 27.Qb3+– Kh8 28.fe5 fe5 29.Qf7 h4?! (29...Qe6 30.Qe6 Ne6 31.Nc6 Nd4 32.Bd4 ed4+–) 30.Be5! Be5 31.Qf8 Kh7 32.Qe7 Bg7 33.Qh4 Kg8 34.Bh3 Bd4 35.Kg2 Qc7 36.Qf4 Be5 37.Qg4 Bg7 (37...Qf7 38.Nc6 Bc3 39.Qd7 Qd7 40.Bd7+–) 38.Qe6 (worse is 38.Qg6 Nf6 39.Be6 Kh8+–) 38...Kf8 39.Nc6 (worse is 39.Qc6 Qe5 40.Bd7 Qc3+–) 39...Bc3 (39...Qf7 40.e5+–) 40.Qg6 1–0. Zainutdinov,I (2085) – Shuvatkina,Tatyana V (2100), Tatarstan–ch op, 2008. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5)

7.d3 Bg4 8.Nbd2 Re8 9.0-0 dc4 (9...Qd6 10.c5 Qd7 11.Ne5=) 10.Nc4 Nbd7 (10...Na6 11.Nfe5=) 11.Rc1 (11.Qc2 Nb6=) 11...Qc7 (11...Nb6 12.Qb3=) 12.Nfe5 (12.Qc2 e5+=) 12...Ne5= 13.Be5 Qd8 (13...Qd7 14.d4=) 14.a3 (14.Qc2 Qd7=) 14...Qd7= 15.d4 Be6 (15...Bh3 16.e3=) 16.Na5 Bd5 17.e4 (better is 17.Bd5 Nd5 18.e4+=) 17...Be4 18.Re1 (18.Be4 Ne4 19.Qe2 Nf6-/+) 18...Bg2 19.Kg2 Nd5 (19...Bh6 20.Rc2 Nd5-/+) 20.Nc4? (20.Bg7 Kg7 21.Nb3 b6-/+) 20...Be5 (better is 20...Bh6!? 21.Ne3 f6–+) 21.de5 Qf5 22.b5 Rad8 23.Kg1 Ne3 24.Qe2 Nc4-/+ 25.Qc4 cb5 26.Qb5+= b6 27.Qb1 Qe6 28.Rc7 Ra8 29.Qb4 Kf8 30.Qb5 Rec8+= 31.Rec1 Rc7 32.Rc7 a6 33.Qc6+= Qc6 34.Rc6 b5 35.Kg2 Ke8 36.Kf3 Kd7-/+ 37.Rb6?? Kc7–+ 0–1. gbsrao (2065) – guerino (2135), net–chess.com, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

7.cd5 Nbd7?? 8.0-0 cd5= 9.Qb3 a5 10.a3 Re8 11.Nc3 Rf8 12.Nb1 Re8 13.Nc3 Nb6 14.d3 a4 15.Qc2 Bf5 16.Nh4 Bd7 17.e4 d4 18.Nd1 e5 19.Qd2 Nh5 20.Rc1 Rc8 21.Rc8 Nc8 22.Bc1 Nd6 23.Nb2 Bb5 24.Qd1 Qd7 25.f4 ef4 26.gf4 Qe7 27.Qe1 Rc8 28.e5 Ne8 29.Nf3 Qd7 30.Qe4 Rd8 31.Ng5 Bc6 32.Qe2 Bg2 33.Qg2 f6 34.e6 Qe7 35.Nf7 Rc8 36.Qd5 Nc7 37.Qb7 Qe6 38.Nd6 Rd8 39.Qc7 Rd6 40.Qc4 Rd5 41.Na4 Qg4 42.Kh1 Ng3 43.hg3 Qh3 44.Kg1 Qg3 45.Kh1 Qh3 46.Kg1 Qg3 ½–½. Zmarzly,Aleksandra (2025) – Iwanow,Anna (2095), Ustron Jaszowiec Poland, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

7.Na3 a5

8.b5 cb5 9.Nb5 Nc6 (9...dc4 10.a4=) 10.cd5= Nd5 11.Bg7 Kg7 12.0-0 Nc7 (12...Qb6 13.a4=) 13.Rb1+= Be6 (13...Bf5 14.d3+=) 14.Nc3 (14.Qc2 Kg8+=) 14...Rb8+= 15.Qa4 h6 (15...Qd7 16.Rfc1+=) 16.Rfc1+/– Bd7 (16...f6 17.d3+/–) 17.Nd4 b5 18.Ndb5 (18.Nc6?! ba4 19.Nd8 Rfd8 20.Rb8 Rb8 21.Na4 Ba4 22.Rc7 Rb1 23.Bf1 Rb2=) 18...Nb5 19.Rb5 (19.Nb5? Nb4 20.Rc5 Qb6–+) 19...Rc8 (19...Rb5!? 20.Qb5 Qc7+–) 20.Rb7+– Rc7 21.Rc7 (21.Rcb1 Re8+–) 21...Qc7 22.Nd5 (22.Ne4 Rd8+–) 22...Qd6+/– 23.d3 (23.Rb1 Rb8 24.Rb8 Qb8+/–) 23...Rb8 24.Qc4 Nb4 25.Nb4 (25.Qc3 e5 26.Nb4 ab4+/–) 25...Rb4+= 26.Qc3 Qf6 27.Qf6 Kf6 28.Bd5 Rb2 29.Kf1 a4 30.a3 e6 31.Bc4 Ke5 32.h4 Bc6 33.f4 Kd6 34.Kf2 Bd5 35.Ke3 f6 36.h5! gh5 37.f5 Rb8 (37...ef5 38.Bd5 Combination) 38.fe6 Rc8 (38...Be6? 39.Be6 Ke6 40.Rc6 Kf5 41.Ra6+–) 39.Kd4 (39.Kd2 Rg8+/–) 39...Be6 40.Rb1 Bc4 41.dc4 Kc6 (41...Rg8 42.Rf1 Rg4 43.e4=) 42.Rb5 (42.Rf1 Rf8+/–) 42...Rd8 (42...Rg8 43.Rh5 Rg3 44.e3+=) 43.Rd5 (43.Kc3 Rg8 44.Rh5 Rg3 45.Kb4 Rb3 46.Ka4 Re3 47.Rh6 Re2 48.Rf6 Kc5+/–) 43...Rg8+= 44.Rh5 Rg3 45.e3 Rg1 46.Ra5 Rd1 47.Ke4 Ra1 48.Ra4 Kc5 49.Ra6 Rf1 50.Kd3 Rd1 51.Ke2 Rh1 52.Rf6 Kc4 53.a4 Kd5 (53...Rh2 54.Kf3+=) 54.a5+/– Ke5 55.Rf1 Rh2 56.Kd3 Ra2 57.Rh1 Ra3 58.Kc4 Kd6 59.Rh6 (59.Kb5 Kc7+/–) 59...Kc7 60.Rh7 (60.Kb5 Re3 61.Ka6 Re5+=) 60...Kb8? (better is 60...Kc6!?=) 61.Kd4+/– Ra5 62.Rd7 Kc8 63.Rd5 Ra1 (63...Ra8!?+/–) 64.Ke5+– Rh1 65.e4 Rh5 (65...Kc7+–) 66.Ke6 Rh6 67.Kf7 Rh7 68.Kg6 Re7 (68...Rh3+–) 69.e5 Kc7 70.Kf6 Rh7 71.e6 Rh6 72.Kf7 Rh7 73.Kg6 Rh1 (73...Rh2 74.Rd3+–) 74.e7 Rg1 75.Kf7 Rf1 76.Ke8 Rf2 (76...Kc6 77.Rd2+–) 77.Rd1 Kc8 (77...Rf3 78.Rc1 Kb6 79.Rc4+–) 78.Rc1 Kb7 79.Rc4 1–0. Vokac,Marek (2440) – Lokander,Martin (2305), Pardubice CZE, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 a5)

8.b5 Qb6 9.0-0 dc4 10.Bd4 c5 11.Bc3 Ne4 12.Bg7 Kg7 13.Qc2 Nd6 14.Ne5 Be6 15.Rab1 Nd7 ½–½. Darmanovic,Srdjan (2195) – Petovic,Luka, MNT–chT1 Podgorica, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 a5)

8.b5 Qb6 9.Rb1 dc4 10.bc6 Ng4 11.0-0 Bb2 12.Nc4 Qc6 13.Nb2 Qa6 14.Na4 Nd7 15.Nc3 Qc4 16.Rb5 Ngf6 17.Qa1 Ra6 18.Rc1 b6 19.d3 Qc7 20.Nd5 Qd6 21.Rc6!! Qa3 22.Rb3 Qa4 23.Ne7 (23.Ne7 Kg7 24.Rc4 Qc4 25.dc4+–; 23.Nf6?! Nf6 24.Ne5 Rd8+–) 1–0. Meyer,B (2140) – Schaub,M (1930), Meister Open, Basel SUI, 2010.

8.b5 dc4

9.bc6 Nc6

10.Nc4 b5 11.Nfe5 Ne5 (worse is 11...bc4 12.Nc6 (worse is 12.Bc6 Rb8-/+) 12...Qd7 13.Ne7 Qe7 14.Ba8+/–) 12.Ne5 Ra6 13.0-0 Nd5 14.Rc1 Qd6 15.d4 Bb7 16.e4 Nb6 17.Qb3 b4 18.Nc4 Nc4 19.Rc4 Raa8 20.Rfc1 Rfc8 21.e5 Qd7 22.d5 Rc4 23.Rc4 (23.Qc4 Rc8 24.Qd4 Rc1 25.Bc1 Qc7=) 23...Rc8 (23...Bd5? 24.Bd5 Rf8 25.Rc5+–) 24.Qc2 Ba6 25.Rc6 Rc6 26.dc6 Qc7 27.Qc5 Bf8 28.Bd4 e6 29.Qb6 Qc8?? (29...Qb6 30.Bb6 a4 31.Bd4+/–) 30.Bc5 (better is 30.Bf1 Bf1 31.Kf1+–) 30...Bc5+/– 31.Qc5 Qc7 32.Qd6 Qd6? (better is 32...Qc8+–) 33.ed6 Kf8 34.c7 (34.c7 Bc8 35.Bc6+–) 1–0. Auger,Bertrand (1915) – Filiatrault,Alexandre (1700), Quebec Carnaval op, 2005. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

10.Nc4 Be6

11.d3 b5 12.Ne3 Rc8 13.0-0 h6 14.Qd2 (14.Qb1 Qd6=) 14...Qb6 (14...Ne4! 15.de4 Qd2 16.Nd2 Bb2-/+) 15.Rfb1 Rfd8 16.Qe1 Ne8 (16...Nd5 17.Nc4 Qa6 18.Bg7 Kg7 19.Ne3=) 17.Bg7 Ng7 18.a3 Ne8 19.Qd2 Nd6 20.Nc2 Kh7 ½-½. Contin,D (2265) - Vazquez,Facundo (2155), 4th Marcel Duchamp Cup, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3)

11.d3 b5 12.Nce5 Ne5 13.Be5 b4 14.a3 b3 (14...Bd5 15.0-0=) 15.Nd4 a4 16.Ne6 Qa5 17.Kf1 fe6 18.Ba8 Qa8 19.Rg1 (19.e4 Ne4 20.de4 Be5 21.Rb1 Qe4 22.Rg1–+) 19...Ng4 20.Bg7 Qa7 21.Ke1 Qf2?? (better is 21...Nf2!? 22.Qd2 Ne4–+ (22...Kg7?! 23.Rf1+=)) 22.Kd2 Kg7 23.Re1 (23.Rc1 Nh2 24.Rc4 Nf3 25.Kc3 Ng1 26.Ra4 Ne2 27.Kb3 e5–+) 23...Qe3 24.Kc3 Rc8 (24...Nh2?! 25.Kb2 Rf2 26.Kb1–+) 25.Kb2 Qd4 (25...Nf2 26.Rh1 Nd1 27.Rad1 Qe2 28.Rd2 Qd2 29.Kb1 Qa2) 26.Kb1–+ Rc2 (26...Rc2 27.Qc2 bc2 28.Ka2 Qd5 29.Kb2 Qb3 30.Kc1 Qc3–+; 26...Nh2?! 27.e3 Qe5 28.Re2–+) 0–1. Pitra,Andika (2305) – Gupta,Ab (2590), 10th Kuala Lumpur Malaysia, Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 a5 8.b5 dc4 9.bc6 Nc6)

11.d3 b5 12.Nce5 Ne5 13.Ne5 Bd5 14.e4 Bb7 15.0-0 Nd7 16.Nd7 Qd7 17.Bg7 Kg7 18.d4 Rfc8 19.d5 Rc4 20.Qd2 Qc7 21.Qb2 f6 22.e5 (22.Rac1 Rc8 23.Rc4 bc4+=) 22...Qe5 23.Qb5 Rb4 24.Qc5 Qd6 25.Rac1 ½–½. Panjwani,R (2420) – Cheng,Bi (2440), Arlington USA, 4th Continental Class, 2013. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 a5)

11.Ne3 Qb6 12.Bc3 Nb4 13.a3 Nbd5 14.Bd4 Qa6 15.0-0 h6 16.Nd5 Bd5 17.d3 b5 18.Qd2 Rfd8 19.Qb2 Rab8 20.Rfc1 Rdc8 21.e4 Be6 22.Be5 Rc1 23.Rc1 Rc8 24.Rc8 Bc8 25.Nd4 Bd7 26.Nb3+= Qb6 27.Bd4 Ne8 28.e5 Qd8 29.Bc3 Bf5 30.d4+/– b4 31.ab4+– ab4 32.Bb4 e6 33.h3 g5 34.Nc5+– Qb6 35.Qc3 Bf8 36.Ba5 Qb1 37.Kh2 Qa2 38.Qe1 Qc4 39.Qe3 Be7 40.Nb7 Bg6 41.Bb6 Bf8 42.Bd8 Nc7 43.Nd6 Qc2 44.Ne4 Nd5 45.Nf6 Nf6 46.ef6 Bd6 47.Qf3 Kh7 48.Qe3 Qd3 49.Be7 Bc7 50.Qc1 Qc2 51.Qe3 Qd3 52.Bf3 Bb6 53.Bc5 Bd8 54.h4 Bf6 55.h5+= Bf5 56.g4 Qe3 57.fe3 Bd3 58.e4 Kg7 59.Kg2 Bd8 60.Kf2 f6 61.Ke3 Bc2 62.Kd2 Bb1 63.Kc3 Kf7 64.Kc4 Bc2 65.Kb5 Ke8 66.d5 ed5 67.ed5 f5 68.d6 Kd7 69.Bc6 Ke6 70.gf5 Bf5 71.d7 Bd3 72.Kb4 Be2 73.Kc3 Bh5 74.Bf8= ½–½. Laurent,Ju (2320) – Li,F (2250), Ch–Paris Int, Coubertin FRA, 2009.

11.Nce5 Nb4 12.a3 Na6 13.Rc1 Qb6 14.Bd4 Qd6 15.0-0 Qa3 16.Ra1 Qb4 17.Nd3 Qb5 18.Bc3 Nb4 19.Nd4 Qb6 20.Ne6 Qe6 21.Nc5 Qb6 22.d4 Nfd5 23.Bb4 Nb4 24.e3 (worse 24.Bb7 Ra7-/+) 24...Rfe8 25.Rc1 e5 26.de5 (worse 26.Bb7 Rad8-/+) 26...Rad8 (worse 26...Re5 27.Nd7 Qb5 28.Ne5 Be5 29.Qg4+/-) 27.Qb3 Be5 28.Nb7 Rd7 (better 28...Rb8!? 29.Nc5 Na6 30.Qb6 Rb6=) 29.Qa4+/- Ree7 30.Na5 Ra7 31.Nc4 Ra4 32.Nb6 Ra6 33.Rc8 Kg7 34.Nc4 Bf6 35.Rb1 Ra1 36.Ra1 Ba1 37.Bf3 Bf6 38.Kg2 Ra7 39.Be4 Re7 40.Nd6 Be5 41.Nb5 f5 42.Bf3 h5 43.Rd8 Bf6 44.Rd6 Be5 45.Rd1 Bf6 46.h4 Be5 47.Be2 Bf6 48.Rd2 Rb7 49.f4 Be7 50.Kf3 Na6 51.Nd4 Nc5 52.Rc2 Kf6 53.Bc4 Rb6 54.Bd5 Bf8 55.Ra2 Ra6 56.Rb2 Rd6 57.Bc4 Ne4 58.Rc2 Nc5 ½-½. milne (2365) - dirklanger (2530), 138th GK tournament, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

11.Nce5 Bd5 12.Nc6 Bc6 13.0-0=.

11.Nce5 Ne5 12.Be5 b5 13.0-0 Rc8 14.a3 Qb6 15.Qb1 Ne8 16.Bg7 Ng7 17.Qb2 Nf5 18.Rab1 Nd6 19.d3 Rc7 20.Nd4 Bd7 21.Rfc1 Rfc8 22.e3 Rc1 23.Rc1 Rc1 24.Qc1 b4 25.ab4 ab4 26.Bd5 Nb5 27.Ne2 Bg4 28.f3 Nc7 29.Be4 Be6 30.d4 b3 31.Bb1 b2 32.Qc2 Bc8 33.Kg2= Ba6 34.Nc3 Qb4 35.g4 Nb5 36.Nb5 Qb5 37.Qf2 Qc4 38.Bc2?? Qa2–+ 39.g5 b1Q 40.Bb1 Qb1 0–1. Montgomery,Robert S (2205) – Bandelj,Mirko (2285), 7th European Team Championship – Semifi, 2005.

11.Nce5 Ne5 12.Be5 Rc8 13.0-0=.

11.Nce5 Ne5 12.Be5 Bd5 13.Qb1 (13.0-0 Rc8=) 13...Qd7 14.d3 (14.0-0 b5=) 14...Bc6 (14...Rac8 15.0-0+=) 15.0-0= a4 (15...b5 16.Qb2=) 16.Re1 (16.Rc1 Rac8=) 16...Rfd8 (16...Rfc8 17.Rc1=) 17.a3 (17.Rc1 Qe6 18.d4 Rac8=) 17...Ra5 (17...Rac8 18.Rc1=) 18.Bc3 (18.d4 Rb5 19.Qc2 Rb3=) 18...Rb5+= 19.Qc2 Bf3 (19...Rc8 20.Qd2+=) 20.Bf3= Rc8 21.Qd2 Rc3 (21...Rb3 22.Be5=) 22.Qc3 Ne4 (22...Nd5 23.Qc4 Ba1 24.Ra1=) 23.Qc1 (23.Qc4!? Nd2 24.Bg4+=) 23...Ba1= 24.Qa1 (worse is 24.de4 Bb2 25.Qc2 Rb3-/+ (25...Ba3?! 26.Qa4 Bc5 27.Kg2=)) 24...Ng5 25.Bg2 Nh3 (25...e5 26.Rc1=) 26.Kf1+= Ng5 27.Rc1 Ne6 28.Rc4 (28.Rc3 Qd4=) 28...Rc5 (28...Rb3 29.Qc1=) 29.Rc5+= Nc5 30.Qe5 Qd6 (30...Nb3 31.Qb8 Kg7 32.Bb7+/– (worse is 32.Qb7 Qd4 33.f4 Qa1 34.Kf2 Qa3=)) 31.Qd6+/– ed6 32.Ke1 Kf8 (32...h5 33.Kd2+/–) 33.d4 (33.Kd2 f5+/–) 33...Nb3 34.e3 Na5 35.Bd5 Nc6 36.Bc6 (36.Kd2!? Ke7+–) 36...bc6+/– 37.Kd2 Ke7 38.Kc3 Ke6 39.Kc4 Kd7 (39...h6 40.h4 f5 41.f3+–) 40.Kb4+– Kc7 (40...Ke6 41.Ka4 Kd5 42.Kb4 c5 43.dc5 dc5 44.Kc3+–) 41.Ka4 Kb6 42.Kb4 f6 (42...c5 43.Kc4+–) 43.e4 g5 44.f4 gf4 (44...Kc7+–) 45.gf4 h5 (45...Kc7 46.h3 Kc8 47.e5 fe5 48.de5+–) 46.a4 c5 (46...Kb7+–) 47.dc5 dc5 48.Kc4 Kc6 49.a5 1–0. Kalka,Arkadius Georg (2325) – Kather,Yannick (2040), Lichtenrader Herbst, 2017. (=1.c4 g6 2.g3 Bg7 3.Nf3 Nf6 4.Na3 c6 5.b4 d5 6.Bb2 0-0 7.Bg2 a5 8.b5 dc4 9.bc6 Nc6 10.Nc4 Be6)

11.Nce5 Ne5 12.Be5 Qd7 13.0-0 Rfc8 14.Qb1 Bd5 (14...a4 15.Re1=) 15.d3 (15.d4 b5=) 15...Qa4 (15...b5 16.e4 Bb7 17.Re1=) 16.e4 Bc6 17.Re1 Nd7 (17...b5 18.Bh3 Rd8 19.Bc7=) 18.Bg7+= Kg7 19.Qb2 Kg8 20.Rab1 (20.d4 b5+=) 20...Rc7 21.d4 Nf8 22.d5 Be8 23.e5 Rac8 24.d6 Rd7 25.Ng5 Rc2 26.Qb6 f6?? 27.Bd5+– Kg7 28.de7 (28.de7 Re7 29.Qf6 Kh6 30.Qf8 Rg7 31.Ne6 Qb4 32.Qg7 Kh5 33.Bf3 Qg4 34.Qh7) 1–0. Smyslov,Vassily – Ader,W, ol Tel Aviv, 1964.

7.Na3 Qb6

8.Qb3 a5 9.ba5 Qa5 10.cd5 cd5 11.0-0 Nc6 12.Nb5 Bg4 13.Bc3 Qa4 14.Rfc1 Rfd8 15.h3 Bf3 16.Bf3 e6 17.Nc7 Qb3 18.ab3 Ra1 19.Ra1 Nd7 20.Bg7 Kg7 21.Nb5 Nc5 22.Ra3 e5 23.e3 e4 24.Be2 d4 25.Bc4 de3 26.de3 Rd1 27.Kg2 Ne5 28.Nd4 Ncd3 29.g4 Rd2 30.Bd3 Nd3 (30...Rd3?! 31.Ra7 Nc6 32.Rb7 Nd4 33.ed4 Rd4 34.g5=) 31.Ra7 0–1. Oslon,Alexander (2350) – Har Zvi,Ronen (2505), ISR–chT Israel, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Qb6)

8.Qb3 a5 9.ba5 Qa5 10.cd5 cd5 11.0-0 Nc6 12.d3 e5 13.Nc2 d4 14.a4 Be6 15.Qb5 Qc7 16.Ng5 Ra5 17.Ne6 Rb5 18.Nc7 Rb2 19.Rfc1 Na5 20.Nb5 Bh6 21.e3 Ng4 22.Rab1 Ra2 23.Ra1 Ra1 24.Ra1 de3 25.fe3 Ne3 26.Ne3 Be3 27.Kf1 f5 28.Ke2 f4 29.Be4 Rc8 30.Ra2 Kf8 31.Nd6 Rc7 32.Nb5 Rc1 33.Nd6 Nb3 34.Nb5 b6 35.Bd5 Rb1 36.Bb3 Rb3 37.Nc7 Bg1 38.Kf1 Be3 39.Ke2 Kf7 40.Nd5 Bg1 41.gf4 Bh2 42.fe5 Be5 43.Ke3 h5 44.Ke4 Bg3 45.Nc3 ½–½. Fredriksson,Stefan – Baeckstroem,Kjell, SWE–chA G–422 corr8890, 1988. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 d5 5.c4 c6 6.Bg2 0-0 7.Na3 Qb6)

8.Qb3 a5 9.b5 dc4 (9...Ne4 10.0-0 Nc5 11.Qc2=) 10.Qc4 Ne4 11.Qe4 Bb2 12.Nc4 Qb5 13.Nb2 Qb2 14.0-0 Qf6 15.Qe3 Rd8 16.Rfc1 Na6 17.Rab1 Nb4 18.a3 Nd5 19.Qh6 e5 (19...Nc7 20.Qe3=+) 20.d3 (20.e4!? Nc7 21.Rc5=+) 20...Qe7-/+ 21.Nd2 Bg4 22.Nc4 Be2 23.Qd2 Bg4 24.Qb2 Bc8 25.Ne5 Ra6 26.Qa1 f6-/+ 27.Nf3 a4 28.Nd2=+ Qf8 29.Ne4 Ra5 30.Re1 f5 31.Qa2 f4 32.Ng5 Qf6 33.Qd2 fg3 34.hg3 Nc3 35.Ne4 Ne4 36.Re4 Re5 37.Qb2 Rf5 38.Ra4 Qb2 39.Rb2 Rd3 40.Bh3 ½–½. Egan,Michael (2160) – Cross,Gregory W (2035), corr WS/M/160 ICCF, 2008.

8.Qb3 a5 9.cd5 Ne4 10.0-0 Bb2 11.Qb2 Qb4 12.Qb4 ab4 13.Nc2 c5 14.Ne5 Nd2 15.Rfd1 f6 16.Nd3 b3 17.ab3 Ra1 18.Na1 c4 19.Rd2 cd3 20.Rd3 Rd8 21.Nc2 Na6 22.Rc3 e6 23.f4 ed5 24.Bd5 Rd5 25.Rc8 Kf7 26.Kf2 Ke6 27.Kf3 Rd7 28.e3 Kd6 29.Nd4 Re7 30.Rd8 Kc5 31.f5 Kb4 32.Rf8 Nc7 33.Rf6 Re3 34.Ke3 Nd5 35.Kd3 Nf6 36.fg6 hg6 37.h4 Nd7 38.Kc2 Nf6 39.Ne2 Ne4 40.Nf4 g5 41.hg5 Ng5 42.Nd3 Kb5 43.g4 Ne4 44.Ne5 Ng5 45.Kc3 Kc5 46.Nd3 Kd5 47.Nf2 Ke5 48.Kd3 Kf4 49.Ke2 Ne6 50.b4 b5 51.Kd3 Kf3 52.Ne4 Kg4 53.Nd6 Nc7 54.Kd4 Na6 ½–½. Haase – Monrad, 1992.

8.Qb3 Ne4 9.0-0 Bb2 10.Qb2 a5 11.Nc2 dc4 12.Ne5 (12.Qe5 Bf5 13.Qe7 Nd7=) 12...Nd6 (12...Nd2 13.Rfd1 Rd8 14.Ne3=) 13.Ne3 (13.Qc3 Be6=+) 13...Be6 14.Rfc1 ab4 (14...Qb4 15.Qc2-/+) 15.N3c4 Nc4 16.Nc4 Qb5 17.d3 Nd7 18.e4 (18.a4!? ba3 19.Qb5 cb5 20.Na3=+) 18...Nc5-/+ 19.d4? (better is 19.Bf1-/+) 19...Nd3–+ 20.Qc3 Nc1 21.Qc1 Qc4 0–1. gbsr (2025) – bonooman (2310), net–chess.com, 2003.

8.Qb3 Ne4 9.0-0 Nc5 10.bc5 Qb3 11.ab3 Bb2 12.Ra2 Bf6 13.cd5 cd5 14.Nb5 Na6 15.d4 Bd7 16.Nc3 Nb4 17.Rd2 Rac8 18.Na2 Na2 19.Ra2 a6 20.e3 b6 21.b4 Bb5 22.Rc1 Bc4 23.Raa1 e6 24.Bf1 a5 25.Bc4+– dc4 26.ba5 bc5 27.Rc4 cd4 28.Rc8 Rc8 29.Nd4 Kf8 30.a6 Bd4 31.ed4 Ke7 32.Kg2 Kd6 33.Kf3 Kd5 34.Ke3 Ra8 35.a7 f5 36.Ra5 (36.Ra5 Kd6 37.Ra6 Kd5 38.h4+–) 1–0. Bronstein,David – Lepeshkin,V, Ch URS Tallinn, 1965. (=1.Nf3 Nf6 2.g3 g6 3.b4 d5 4.Bg2 Bg7 5.Bb2 c6 6.Na3 0-0 7.c4 Qb6)

8.Qb3 Bf5 9.Bd4 Qd8 10.d3 Nbd7 11.cd5 cd5 12.0-0 Re8 13.Qb2 Nh5 (13...Bg4!?=) 14.Bg7+= Ng7 15.Nd4 Nf6 16.Nf5 Nf5 17.Qe5 (better is 17.e4!? Ng7 18.e5+/–) 17...Qd6= 18.Qd6 Nd6 (worse is 18...ed6 19.e3+/–) 19.Rac1 Rac8 20.Bh3 e6 21.f3 Nd7 22.Rfd1 f5 23.Kf2 Ne5 24.Bf1 a6 25.Nb1 Nc6 26.a3 Rc7 27.Rc2 e5 28.Rc5 d4 29.Bg2 Kf7 30.Rdc1 g5 (30...h6 31.Nd2+=) 31.a4 (31.f4!? gf4 32.Bc6 fg3 33.hg3 bc6 34.Rc6 Rc6 35.Rc6+=) 31...Rcc8 32.b5 ab5 33.ab5 Nb8 (33...Ne7 34.Na3+=) 34.Na3 (34.Rc8 Rc8 35.Rc8 Nc8=) 34...Nd7 35.Nc4 (35.Rc8 Rc8 (worse is 35...Nc8 36.Rc7 Ke6 37.f4+/–) 36.Rc8 Nc8=) 35...Nc4 (35...Nc5 36.Nd6 Ke7 37.Nc8 Rc8 38.Rc4+=) 36.R5c4= Nb6 (36...Rc4!? 37.Rc4 Nf6=) 37.Rc7+= (37.Rc7 Rc7 38.Rc7 Re7 39.Re7 Ke7 40.f4 gf4 41.gf4 (41.Bb7?! fg3 42.hg3 Kd6+=) 41...ef4 42.Bb7+=) 1–0. Will,Matthias (2015) – Porfireanu,Serban (1905), Albena BUL, Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Qb6)

8.Bc3 Ne4-/+ 9.c5 Nc3 10.Qb3 (10.cb6?? Nd1 11.Rd1 ab6–+) 10...Qa6 11.dc3 b6 12.Rd1 (12.cb6 ab6 13.Nc2 Qa4-/+) 12...bc5 13.0-0 e6 14.bc5? (better is 14.b5!? c4 15.Qb4 (worse is 15.ba6 cb3 16.ab3 Bc3–+) 15...cb5 16.Nb5–+) 14...Nd7–+ 15.Nb1 Rb8 16.Qc2 Nc5 17.Nd4 Na4 18.Rd2 (18.Nb3 c5–+) 18...Rb2 (18...e5 19.Nb3–+) 19.Qc1 Rb1! 20.Qb1 Nc3 21.Qc2?? (21.Qb4 Bd4 22.Qd4 Ne2 23.Re2 Qe2 24.Qa7–+) 21...Bd4 22.e3 (22.Rd3 Qc4 23.Bf3 Bf6–+) 22...Bf6 23.Rc1 Qa5 24.Qb3 (24.Rd3 Na2 25.Qc5 Qb6 26.Qb6 ab6–+) 24...Ba6 25.Bf1 Bf1 26.Kf1 Ne4 27.Rdc2 Nd2 (27...Nd2 28.Rd2 Qd2 29.Rc6 Be5–+) 0–1. Hilton,S (1925) – Enjuto Velasco,R (2130) (A15), Chennai IND, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3)

8.Qb3 Na6

9.Rb1 Bf5 10.c5 Qb4=+ 11.Qb4 Nb4 12.Bf6 Bb1 13.Bg7 Kg7 14.Nb1 Na2 15.Ne5 Nb4 16.f4 b6 17.Nc3 (17.cb6 ab6 18.Nc3 Rfd8-/+) 17...f6–+ 18.Nd3 (18.Nd7 Rfd8 19.Bh3 b5–+) 18...Nd3 19.ed3 bc5 (19...e5 20.Kd1–+) 20.Na4 Rfb8 21.Ke2 Rb4 22.Nc5 a5 23.Ra1 a4 24.Ra3 Kf7 25.Bh3 Ra5 26.Ne6 Ra8 27.Nc5 e5 28.fe5 fe5 29.Bd7 Ra5 30.d4 Rd4 31.Nd3 Re4 32.Kd1 c5 33.Nb2 Ke7–+ 34.Ba4 Rb4 35.Kc2 Kd6 36.d3 e4 37.de4 Re4 38.Ra1 Re2 39.Kb3 Re3 40.Kc2 Re4 41.Ra2 h5 42.Kd2 Rb4 43.Kc1 h4 44.Ra3 hg3 45.Rg3 Raa4 46.Rg6 Ke5 47.Na4 Ra4 48.Rg5 Ke6 49.Rg6 Kf5 50.Rc6 c4 51.h4 Ra2 52.h5 Rh2 53.h6 Ke4 54.Rg6 Kd4 55.Rd6 Kc5 56.Rf6 0–1. Aronian,L (2515) – Yandemirov,V (2480), VII Anibal Open, Linares ESP, 2000.

9.Rb1 Bf5 10.c5 Qd8 11.d3 b6 12.Ne5 bc5 13.Nc6 Qd6 14.b5 (better is 14.Bd5!? Nd5 15.Qd5 Bb2 16.Rb2=) 14...c4=+ 15.Nc4 dc4 16.Qc4 Be6 17.Qc1 Nc5? (better is 17...Nc7!? 18.Ba3 Qd7 19.Ne7 Kh8+/–) 18.Be5+– Nd3 19.ed3 Qd3? (better is 19...Qd7 20.Qa3 Rfe8+/–) 20.Rb2?? (better is 20.Ne7 Kh8 21.Qb2+–) 20...Rfe8+= 21.Qc3 Qc3 22.Bc3 Nd5 23.Bg7 Kg7 24.0-0 Nb6 25.Re1 Kf6 26.h4 h5 27.Rb4 Ba2 28.Rf4 Kg7 29.Nb4 Be6 30.Ba8 Ra8 31.Rc1 Nc8 32.Na6 Bf5 33.Rc5 Nd6 34.Ra4 Rd8 35.Nc7 Ne4 36.Rc1 Rd2+/– 37.Rf1 Rc2 38.Ra7 Nd2 39.b6 Nf3 40.Kg2 Be4 41.Kh3 Bf5 42.Kg2 Be4 43.Kh3 Bf5 44.Kg2 ½–½. Sreeves,C (2100) – Mortazavi,A (2370), London Chess Classic FIDE Open, 2010.

9.Rb1 Bf5 10.d3 Qb4-/+ 11.Qb4 Nb4 12.cd5 cd5 (12...Na2?! 13.dc6 bc6 14.Ne5=) 13.Bd4 a5 (13...Na2?! 14.Rb2 Nc1 15.Kd2 Ne2 16.Ke2+=) 14.0-0 Rac8 15.Rb2 Nd7 (15...Bg4 16.Nb1-/+) 16.Bg7 Kg7 17.Nd4 Nc5 18.Nf5 gf5 19.Nb5 Na4 20.Rb3 (20.Rd2 Nc3 21.a3 Nb5 22.ab4 a4 23.Bd5 Rc7=+) 20...Rc5 (20...Na2 21.Nd4 Nb4 22.Ra3–+) 21.Nd4 e6 22.e3 (22.a3 Nc6 23.Nc6 bc6-/+) 22...Rc3 23.Rfb1 (23.Ra1 b6-/+) 23...Rb3 (23...Rfc8 24.Bf1-/+) 24.Rb3-/+ Nc5 25.Rc3 (25.Ra3!?-/+) 25...b6–+ (25...Ncd3?! 26.a3 Kf6 27.Bf1+=) 26.a3 Nbd3 27.Bf1? (better 27.Rc2–+) 27…Nf2! 0–1. Sandstrom,A (1920) – Lyngsjo,H (2070), Elite Hotels Vaxjo Open (6), 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Qb6 8.Qb3 Na6)

9.Rb1 Bf5 10.Bd4 c5 11.bc5 Nc5=.

9.Rb1 Bf5 10.Bd4 Qd8 11.d3 Nc7 12.0-0 Bg4 13.Qb2 Bf3 14.Bf3 Nfe8 15.Bg7 Ng7 16.b5 Qd6 17.Rfc1 e6 18.Qb4 c5 19.Qc3 b6 20.cd5 Nd5 21.Qb2 Rac8 22.Nc4 Qe7 23.Ne5 Qd6 ½–½. Burgess,Mark R (2270) – Howell,James C (2395), Oakham YM, 1986.

9.Bc3 Ne4=+ 10.c5 Nac5!-/+ 11.bc5 Qb3 12.ab3 Nc3 13.d4 Bd7 14.e3 Ne4 15.0-0 b5 16.Nc2 a5–+ 17.Ne5 Nc5! 18.Nd7 Nd7 19.f4 e6 20.Ra2 Nb6 21.Rc1 Rfc8 22.Ne1 a4 23.ba4 Ra4 24.Ra4 Na4 25.Bf1 Nb6 26.Nd3 Nc4 27.Kf2 Bf8 28.Ra1 c5 29.dc5 Bc5 30.Nc5 Rc5 31.Ra8 Kg7 32.Rb8 Nd6 33.Bd3 Rc3 34.Ke2 Rb3 35.Kd2 Nc4 36.Ke2 Rb2 37.Kf3 Rh2 38.g4 Rb2 39.f5 Ne5 (39...Ne5 40.Kg3 Nd3 41.fe6 fe6–+) 0–1. Rayner,F (2250) – Burrows,M (2225), ch–GBR, Scarborough ENG, 2004.

9.cd5 Qb4 10.dc6 bc6 11.Nd4+=.

9.cd5 Nb4? 10.Nc4 Qb5 11.a4 Qd5 12.Qb4 +–.

9.cd5 Nd5 10.Bg7 Kg7 11.b5 Nc5 12.Qc4 Kg8 (12...Nf6 13.bc6 Be6 14.Qc1+=) 13.0-0 Be6 14.Ng5 Ne3?? (better is 14...cb5 15.Qb5 Nc7 16.Qb6 ab6 17.Ne6 N7e6+=) 15.Qh4+– (15.Qh4 h5 16.fe3+– (16.Ne6?! Ng2 17.Kg2 Ne6=)) 1–0. Meyer,B (2160) – Lee,Peter, Lenk Open Lenk SUI, 2011.

9.cd5 cd5

10.Nc2 Nc7 11.Bd4 Qd6 12.Rc1 Nfe8 13.Bc5 Qd8 14.b5 b6 15.Ba3 Bb7 16.0-0 Nd6 17.Ncd4 Qd7 18.Bh3 f5 (< 18...Qh3 19.Rc7 Nc4 20.Be7+/–) 19.Nc6 (19.Bd6!? Qd6 20.Rc2=+) 19...Ndb5=+ 20.Nfe5 Qe6 21.Bb2 Be5 22.Ne5 d4 23.Nc6 Qb3 24.ab3 Bc6 25.Rc6 Rad8 26.Rfc1 Na6 27.Bf1 Rfe8 28.e4 d3 29.ef5 gf5 30.Re1 Nd4 31.Bd4 Rd4 32.Bh3 Rd5 33.Rc3 Kf7 34.Bg2= Rd4 35.Ra1 Nc5 36.Ra7 Kf6 37.Rc7 Red8 38.f4 Rb4-/+ 39.Rc6 Kf7 40.Bf1 h6 41.Kg2 e6 42.Rc7 Kf6 43.h4 h5 44.Kg1 Rg8 45.Kh2 Ra8 46.Bd3 Rd4 47.R7c5 bc5–+ 48.Kg2 Ra2 49.Kf1 Rd2 50.Be2 Rb2 51.Rc5 Rb3 52.Kf2 Rd2 53.Ra5 Rc2 54.Ra1 Rcc3 55.Rg1 Rb2 56.Ra1 Rcc2 57.Re1 Rb4 0–1. Bos,Henk J. van den (2475) – Zarate,Juan Carlos (2475), Joel Adler Memorial, 2005.

10.Nc2 Nc7 11.Bd4 Qd6 12.Rc1 Nfe8 13.Bc5 Qd8 14.Bd4 f6 15.0-0 e5 16.Bb2 Be6 17.d4 e4 18.Nd2 Nd6 19.a4 a6 20.a5 Rc8 21.Qa2 Qe7 22.Nb3 Kh8 23.Nc5 Bg8 24.Rcd1 Rb8 25.Bc1 Ndb5 26.Qb3 b6 27.ab6 Rb6 28.Bf4 Ne6 29.Ne6 Be6 30.f3 g5 31.Bd2 f5 32.fe4 fe4 (32...Bd4? 33.Nd4 Nd4 34.Bc3 de4 35.Bd4 Kg8 36.Qe3+–) 33.Rf8 Bf8 34.Na3 Nc7 35.Qe3 h6 36.Rc1 Rb7 37.Qc3 Ne8 38.Nc2 Rc7 39.Qa1 Rc6 40.Ne3 Rb6 41.Rc5 Qb7 42.Nc2 Nd6 43.Ne3 Kg8 44.Ra5 Nb5 45.Nc2 Qc8 46.Ra2 Rc6 47.Qb2 Nc3 48.Bc3 Rc3 49.e3 Bd7 50.Bf1 Bb5 51.Bb5 ab5 52.Kf2 Qc4 53.Qb1 Qd3 54.Rb2 Rc7 55.Kg2 h5 56.Kg1 h4 57.Qc1 Bd6 58.Qf1? (better is 58.Kf2–+) 58...hg3 59.hg3 Rc2 60.Rc2 Qc2 61.Qb5 0–1. Fernandez Fornes,Juan Alberto – Jezek,Jaroslav, Bartis mem–A corr9299, 1992.

10.Nc2 Ne4 11.0-0 Bb2 12.Qb2 Bg4 13.Ne3 Nf6N 14.Ng4 Ng4 15.a3 Nc7 (15...Rac8 16.d4+=) 16.Bh3 (16.d4 Nf6+=) 16...Nf6 (16...f5 17.d4+=) 17.Rfc1 (17.Qe5 Ne6+=) 17...Nb5 18.d3 Nd6 19.a4 a5 (19...Qd8 20.g4=) 20.b5 (20.Qe5 Qd8+=) 20...Qd8 (20...Kg7 21.Ne5 Kg8 22.Rc2+/–) 21.Rc2 e6 22.Rac1 Nd7 23.Ne5 (23.Bg2 Rc8+=) 23...Ne5 (23...Rc8 24.Rc8 Nc8 25.Nd7 Qd7 26.Qc3+=) 24.Qe5 Re8 25.e4 de4 26.de4 Rc8 27.Bg2 (27.Rc8 Nc8 28.Qc3 Qg5+=) 27...Rc2 28.Rc2 Re7 (better is 28...Nc8!? 29.Bf3 Nb6+=) 29.Rd2+– Rd7 30.Qd4 e5 31.Qd5 Qc7 32.Bf1 Qc1 33.Rd3 Qb2? (better is 33...Qe1 34.Rd1 Qc3+=) 34.f4+– Ne4 35.Qe4 Rd3 36.Qd3 (36.Bd3 Qc1 37.Kf2 ef4 38.Qf4 Qf4 39.gf4 Kf8+–) 36...ef4 37.gf4 Qf6 (37...Qb4 38.Qc4 Qe1 39.Kg2+–) 38.Qe4 b6 39.Qe8 Kg7 40.Qe5 h6 41.h4 Qe5 42.fe5 f6 43.e6 (43.ef6 Kf7+–) 43...Kf8 (43...f5+–) 44.h5! g5 (44...gh5 45.Bh3 Combination) 45.Bh3 (45.Bh3+–) 1–0. Sergeev,Vladimir (2440) – Vykouk,Jan (2435), 16. Marienbad GMA1, 2017. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.Nf3 d5 7.Na3 Qb6 8.Qb3 Na6)

10.Nc2 Ne4 11.0-0 Bb2 12.Qb2 Bg4 13.Ne3 Bf3 14.Nd5 Qd6 15.Bf3 e6 16.Be4 ed5 17.Bg2 Nb4 18.a3 Nc6 19.Qb7 Rab8 20.Qa6 Rfd8 21.Rab1 Rb1 22.Rb1 Qc5 23.e3 Qc2 24.Rf1 Kg7 25.d4 Rd6 26.Qb5 Qc4 27.Rb1 a6 28.Qc5 Rf6 29.Bd5 Qd3 30.Rf1 Nd8 31.Qc7 Ne6 32.Qe5 Qa3 33.Be6 fe6 34.Rb1 Qe7 35.d5 Kh6 36.d6 Qf7 37.Rb4 g5 38.h4 Rf5 39.hg5 Kg5 40.Qe4 Rf2?? 41.Qh4 Kg6 42.Rg4 (42.Rg4 Kf5 43.Qg5) 1–0. Weber,Siegfried – Bauer,M, Wuerttemberg–ch, 1985.

10.Nc2 Bf5 11.d3 Ng4 (11...Rac8 12.Bd4 Qd6 13.0-0= (worse is 13.Ba7 b6+=)) 12.0-0+= Bb2 13.Qb2 Nc7 14.Ncd4 Qf6 15.Rac1 Rac8 16.Qa3 Qb6 17.Rc5 (17.Nf5 gf5 18.Rc5 f4+=) 17...Bd7 18.h3 Nf6 19.Rfc1 Na6 20.Rc8 Rc8 21.Rc8 Bc8 22.Qc3 Bd7 23.a3 Qc7 24.Qc7 Nc7 25.Ne5 Ba4 26.f4 Nd7 27.Nd7 Bd7 28.e4 Bb5 29.ed5 Bd3 30.d6 ed6 31.Bb7 Nb5 32.Ba6 Nd4 33.Bd3 Kf8 34.Kf2 Ke7 35.Ke3 Ne6 36.Ke4 Nc7 37.Kd4 f6 (37...Ne6 38.Kd5=) 38.Bc4 h6 39.a4 Na8 (39...f5 40.b5+=) 40.a5 Nc7 41.b5 (41.Bd3 g5+=) 41...d5 42.b6 ab6 43.ab6 dc4 44.bc7 Kd7 45.Kc4 Kc7 46.Kd5 Kd7 47.g4 Ke7 48.h4 g5 49.fg5 fg5 50.hg5 hg5 51.Ke5 Kf7 52.Kf5 Kg8 53.Kg5 Kg7 54.Kf5 Kf7 ½–½. Wagner,Jan (2145) – Wachinger,Nikolas (2045), 2nd Bundesliga Nord, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Qb6 8.Qb3 Na6)

7.Na3 dc4

8.Nc4 Na6 9.a3 Nc7 10.Rc1 Bg4 11.0-0 Ncd5 12.h3 Bd7 (12...Bf3 13.Bf3 Qd7 14.e4=) 13.Nfe5 Be6 14.e4 Nc7 15.d4 Nb5 (15...Nd7 16.f4+=) 16.a4 Nd6 17.Nd6 (17.Qc2 Qc8 18.Kh2 Rd8+=) 17...ed6= 18.Nf3 (better is 18.Nd3=) 18...Ne4-/+ 19.Re1 Nf6 20.Ng5 (20.b5 Qd7-/+) 20...Bd7 21.d5 Nd5 22.Bg7 Kg7 23.Qd4 Kg8 24.Qh4 Nf6 25.Re3 Kg7 26.Rce1 d5 27.Rf3?? h6–+ 28.Re5 hg5 29.Qg5 Ne4 30.Qf4 Bf5 31.Rf5 gf5 32.Qf5 Qf6 33.Qh5 Qg6 34.Qe5 f6 35.Qe7 Rf7 36.Qe6 Ng5 (36...Ng5 37.Qe1 Nf3 38.Bf3 Rh8–+) 0–1. gbsr (2165) – guerino (2230), net–chess.com, 2003.

8.Nc4 Be6 9.Qc2 Na6 10.a3 h6 (10...c5!? 11.b5 Nc7=) 11.0-0+= Qc8 12.Na5 (12.Nfe5 Qc7+/–) 12...Bd5 13.Rac1 h5 14.d3 Bh6 15.e4 Bc1? (better is 15...Be6+/–) 16.Qc1+– (16.Rc1?! Be6+/–; 16.Bc1?! Be6=) 16...b6? (16...Ba2 17.Qh6 Rd8+–) 17.Qh6 Re8 (17...Rd8 18.Ng5 Rd6 (18...ba5 19.e5 Qf5 20.ef6 ef6 21.Qh7 Kf8 22.Bd5 Ke7 23.Qf7 Kd6 24.Ne4 Qe4 25.Qf6 Kd7 26.Qc6 Ke7 27.Qf6 Kd7 28.de4 Rf8 29.Qe6 Kc7 30.Qe7 Kc8 31.Rc1 Nc5 32.Rc5 Kb8 33.Qf8) 19.Bf6 ef6 20.Qh7 Kf8 21.ed5 fg5+–) 18.Ng5 (better is 18.ed5!? cd5 19.Ng5 Qf5+– (19...ba5 20.Bf6 ef6 21.Qh7 Kf8 22.Qf7)) 18...e5 (18...ba5 19.ed5 Qf5 20.Be4 Qg5 21.Qg5 cd5 22.Bg6 fg6 23.Qg6 Kf8 24.Bf6 ef6 25.Qf6 Kg8 26.Rc1+–) 19.f4 Qc7 (19...Re7 20.Be5 Qf8 21.Qf8 Rf8 22.Bf6 Ree8+–) 20.ed5 ba5 (20...Qd6 21.Nc6 Qf8 22.Qf8 Rf8 23.Be5 Nb8 24.Bf6 Nc6 25.dc6 Rac8+–) 21.fe5 Re5 22.Rf6 Qb6 23.Rf2 Re1 (23...Qf2 24.Kf2 Re2 25.Ke2 Re8 26.Kf3 Re3 27.Ke3 f6 28.Bf6 ab4 29.Qg7) 24.Bf1 1–0. Talbi,Chafik (2200) – Amokrane,Fares (1995), 3rd President ALG Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Na3 c6 7.Bg2 dc4)

8.Nc4 Be6 9.Qc2 Bc4 10.Qc4 Nbd7 11.0-0 a5 12.ba5 Qa5 13.Rfb1 Qa6 14.Ne5 Ne5 15.Qa6 Ra6 16.Be5 b5 17.d4 Rfa8 18.Kf1 e6 19.Rc1 Nd5=+ 20.Bg7 Kg7 21.Bd5 cd5 22.Rc2 b4 23.Rb2 b3 24.Rb3= Ra2 ½–½. Fucak,E (2305) – Perhinig,R (2210), 19th Open Pula, Pula CRO, 2005.

8.Nc4 Be6 9.Qc2 Qd5 10.d3+= Na6 11.a3 Nc7 12.0-0 Qd8 (12...Qh5 13.e4+=) 13.Na5 Qc8 14.Rac1 Ncd5 (14...Bh6 15.Rb1+/–) 15.Rfe1 Bh6 16.e4 Nb6 (16...Bc1? 17.Qc1 (17.Rc1?! Nb6=; 17.Bc1?! Nb6=) 17...Nb6 18.Qh6+–) 17.Rcd1 Rd8 18.d4 Bg4 19.Ra1 Rb8 20.Ne5 Rf8 (20...Bh3 21.Rad1+/–) 21.a4 Bh3 22.Bh1 Ng4 23.Nd3 f5? (better is 23...Rd8!?+/–) 24.Qb3 Rf7 25.Nf4 Nf2 26.Kf2 fe4 27.Kg1 Nd5? (better is 27...Bf4 28.gf4 Nd5 29.Be4 Rf4+/–) 28.Nh3 Qh3 29.Be4?? (better is 29.Bg2 Qf5 30.Be4 Qf2 31.Kh1+–) 29...Rf2= 30.Bd5 cd5 1–0. Talbi,Chafik (2200) – Saadouni,Aissa (1805), 3rd President ALG Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Na3 c6 7.Bg2 dc4)

8.Nc4 Be6 9.Qc2 Nbd7 10.0-0 Nb6 11.Na5 Qc8 12.Rfe1 Nbd5 13.a3 Ne8 14.Bg7 Ng7 15.Rac1 f6 16.Nd4 Bf7 17.e4 Nc7 18.e5 Bd5 19.Bd5 Nd5 20.e6 Ne8 21.b5+– Qc7 22.bc6 Qa5 23.cb7 Rb8 24.Nc6 Qc7 25.Nb8 Qb8 26.Qb3 Nb6 27.a4 Nd6 28.a5+– Nbc4 29.Rc4 Nc4 30.Qc4 Qb7 31.Rc1 a6 32.Qc7 Qb4 33.d3 Re8 34.Qd7+– Rb8 35.Rc7 Kf8? 36.Kg2 Qb5 37.d4 Qa5 38.h4 h5?? 39.d5 Qb6?? 40.Rc6 Qd8+– 41.d6 a5 42.Rc7 a4 43.Qd8 (43.Qd8 Rd8 44.d7+–; 43.de7 Qe7 44.Qe7 Kg8 45.Qg7#) 1–0. Eymann,Henri – Brun,Philippe, Leukerbad op, 1992.

8.Nc4 Be6 9.d3 Bc4 10.dc4 Qb6 11.Qb3 Na6 12.a3 c5 13.b5 Nc7 14.0-0 Rad8 15.Rad1 a6 16.a4 Ne6 17.e3 ab5 18.ab5 Rd1 19.Rd1 Rd8 20.Bh3 Rd1 21.Qd1 Nf8 22.Qa1 Qd6 23.Bf6 Bf6 24.Qa8 b6 25.Qc6 Qd8 26.Bc8 e6 27.h4 h6 28.e4 g5 29.h5 (better is 29.hg5 hg5 30.e5=) 29...g4-/+ 30.Nh2 Qd1 31.Kg2 Qe2 0–1. Mehring,Thomas – Willms,Heinz, BdF–50 qJVH14, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 d5 6.Na3 0-0 7.Bg2)

7.Na3 Nbd7

8.0-0 b6 9.Nd4 Bb7 10.b5 cb5 11.Ndb5 Nc5 12.d4 Nce4 13.cd5 Bd5 (13...a6 14.f3 Nd5 15.Nc2 Ng3 16.hg3 ab5 17.e4+=) 14.f3= Nd6 15.Nd6 ed6 16.e4 Bb7 17.Qb3 d5 (17...Re8 18.Rac1+=) 18.e5+= Ne8 19.Nb5 Qd7 20.a4 Nc7 21.Nd6 Bc6 22.Rfc1 Ne8 23.Nb5 f6 24.f4 Bb7 25.e6 Qe6 26.Nc7 Qd7 27.Na8 (27.Bd5?! Bd5 28.Qd5 Qd5 29.Nd5 Rf7+=) 27...Ba8 28.Qb5 (28.Qb5 Qf7 29.Qa6+/–) 1–0. Espig,Lutz (2420) – Schaffarczyk,Andre (2105), Sportland NRW–Cup, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3)

8.0-0 Nb6 9.Qc2 (9.c5 Nbd7+=) 9...a6 (9...a5!? 10.ba5 Ra5 11.cd5 Nfd5+=) 10.d3 (10.c5 Nbd7+=) 10...Bg4 (10...a5 11.b5=) 11.h3+= Bf3 12.Bf3 Qc7 13.cd5 (13.Rad1 Rfd8+=) 13...Nbd5 14.Qd2 Qb6 (14...Nb6 15.Rac1=) 15.Rab1 a5 (15...Qc7!?+=) 16.b5!+/– Qd8 (16...cb5 17.Bf6 Decoy) 17.bc6+– bc6 18.Rfc1 Ra6 19.Nc4 Qa8 20.a3 (20.e4 Nb6+–) 20...Rc8 (better is 20...Nd7!?+–) 21.Bf6 Nf6 (21...Bf6 22.e4 Nc7 23.e5+–) 22.Nb6 Qb8 (22...Rb6 23.Rb6 Nd5 24.Rbb1+–) 23.Nc8 Qc8 24.Qf4 Qh3 (24...Nd7+–) 25.Rb8 (better is 25.Qb8 Bf8 26.Qb7 e6 27.Qa6 Ba3 28.Rb8 Kg7 29.Rc6 Bb4+–) 25...Bf8 26.g4 (better is 26.Rf8 Kf8 27.Qb8 (27.Bc6?! Ng4 28.Bg2 Qh5+=) 27...Ne8 28.Qb7+–) 26...Qh4 27.Kg2 (27.Kg2 Nd7 28.Rc8+–) 1–0. Will,Patrick (2125) – Anders,Eric (1910), Bad Homburg GER, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Nbd7)

8.Qb3 e6 9.Rc1 Nb6 10.0-0 a6 11.d3 Nh5 (11...Nbd7 12.Ne5=) 12.Bg7+/– Kg7 13.b5 f5 (better is 13...cb5!? 14.cb5 Bd7+=) 14.bc6+/– bc6 15.Ne5 Bd7 16.c5 Nc8 17.Qc3 Kg8 18.Rb1 f4 19.Rb7 Ra7 20.Rfb1 (< 20.Nd7 Rb7 21.Nf8 Qf8+=) 20...fg3 21.fg3 Rb7 22.Rb7 Qf6? 23.Bf3 Be8+/– 24.d4 Ne7 25.Ng4 Qg5?? 26.h4 Ng3 27.hg5 (27.hg5 Ngf5 28.e4 de4 29.Be4+–) 1–0. Delmont,Jean Robert – Davies,Peter L, BCF–ch U16 Rhyl, 1969.

8.d3 Re8 9.b5 e5 10.bc6 bc6 11.0-0 Rb8 12.Rb1 Qa5 13.Qd2 Qa6 14.cd5 cd5 15.d4 Ne4 16.Qd3 Qa5 17.de5 Bf8 18.e6 fe6 19.Nc2? (better is 19.Nc4 Qa2 20.Qd4+=) 19...Qa2–+ 20.Qd4 e5?? (better is 20...Ndf6!? 21.Ng5 e5 22.Ne4 de4 23.Qc3–+) 21.Ra1 Qb3 (21...ed4?! 22.Ra2 Nc3 23.Bc3 dc3 24.Nfd4+=; 21...Qb2?! 22.Qd5 Kh8 23.Qe4–+) 22.Qd1 d4 23.Ba3 Nc3 24.Qd2 Bh6 25.Qh6 Ne2 26.Kh1+/– Qc2? 27.Ng5+– Nf6 28.Bd5 Be6 29.Ne6 Re6 30.Be6 Kh8 31.Bd6 Qc6 32.f3 Qd6 33.Ra7 Qf8 34.Qh4 Qd8? 35.Rf7 Nh5 36.Qg4 Nc3+/– 37.Rd7 Qf8?? 38.Qg5+– Qf6? 39.Qh6 Ng7 40.g4 Re8? 41.g5 Qf8+/– 42.Rf7 Qg8 43.Ra1 Nb5 44.Bd5 ½–½. Mewes,Karsten – Koth,Stefan (2210), Ruhrgebiet VL2, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Nbd7)

8.cd5 cd5 9.Qb3 Nb6 10.Bd4 Bd7 11.0-0 Re8 12.Rac1 Rc8 ½–½. Rubel,Julian (2165) – Penzel,Nils (2105), Hessen–ch Gr–A, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Nbd7)

8.0-0 Re8

9.d4 a5 10.b5 e6 11.Rb1 dc4 12.bc6 Nb6 13.Ne5 Nfd5 14.cb7 Bb7 15.Nac4 Nc4 16.Nc4 Rc8 17.Qb3 Ba6 18.Rfc1 Rb8 19.Qd1 Rb4 20.Ne5 Qb6 21.Ba1 (21.Rc6!? Qb5 22.Rc2+/–) 21...Rb1+= 22.Rb1 Be2 23.Qe1 Qa6 24.Rb2 Bb5 ½–½. Bonfa,I (2170) – Pipitone,A (1930), Arco ITA, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d5 6.c4 c6 7.Na3 Nbd7)

9.d4 Ne4 10.Qb3 dc4 11.Nc4 Nb6 12.Nce5 Be6 13.Qc2 Bd5 14.a4 a5 15.Nd3 Nc4 16.e3 Ned6 17.Nfe5 Bg2 18.Kg2 Ne5 19.de5 Nc8 20.Rfd1 ab4 21.Nb4 Qa5 22.Nd3 Nb6 23.Nc5 Rab8 24.Nb3 Qa6 25.Bd4 Qc4 26.Qa2 Nd7 27.f4 Ra8 28.Nc5 Qa2 29.Ra2 Nc5 30.Bc5 e6 ½–½. Van Dijk,Bram – Baljon,Christofoor, NED–ch U20 Oostvoorne, 1972.

9.d4 Ne4 10.Qb3 Nf8 11.cd5 cd5 12.h3 Be6 13.Rfd1 Nd7 14.Rac1 Nb6 15.Ne5 Nd6 16.Ba1 Rc8 17.b5 Rc1 18.Rc1 Qb8 19.Nd3 Rc8 20.Nc5 Ndc4 21.Nc4 Nc4 22.Ne6 fe6 23.Qb4 Qd6 24.Qd6 Nd6 25.Rc8 Nc8 26.e3 Kf7 27.Bf1 Ke8 28.Bc3 Kd7 29.f4 Nd6 30.Bd3 Nf5 31.Kf2 Bf6 32.Be1 Nd6 33.Ke2 Kc7 34.Ba5 Kd7 35.a4 Nc8 36.Be1 Nd6 37.g4 g5? (better is 37...Nc4!?+/–) 38.fg5+– Bg5 39.h4 Bf6 40.Bh7 e5 41.g5 Bh8 42.Bc3 e4 43.h5 e6 44.Bg6 Bg7 45.h6 Bf8 46.Bb4 a6 47.ba6 ba6 48.Kf2 Kc6 49.Be8! Kc7 50.Bh5 Kd7 51.Be2 Ke7 52.Kg3 Kf7 53.Bh5 Kg8 54.Kf4 Nf5 55.h7! (55.h7 Kh7 56.Bf8+–) 1–0. Forgacs,Jozsef (2260) – Telek,Gabor (2125), HUN–chT2 Barcza, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Nbd7)

9.cd5 cd5 10.Rc1 a6 11.Qb3 e5 12.d3 h6 13.Rfd1 Bf8 14.e4 de4 15.de4+= Qe7 16.Nc4 Ne4 17.Nh4 Nef6 18.Nd6+– Kh7 19.Ne8 Ne8 20.a3 Bg7 21.Qd5 Nb6 22.Qd8 Qe6+/– 23.Qd2 Qe7? 24.Qe3 Na4 25.Ba1 f5 26.Bd5 Rb8?? 27.Qb3 Nf6 28.Bf7 1–0. Bojkov,D (2495) – Kosmas Lekkas,D (2070), 5th Open, Kalamaria GRE, 2008.

9.cd5 cd5 10.Rc1 a6 11.Ne5 Ng4 12.Nd3 (< 12.Ng4 Bb2 13.Rb1 Ba3=+) 12...Bb2 13.Nb2 Ndf6 14.d4 Qb6 15.Qd2 Ne4 16.Be4 de4 17.Nbc4 Qd8 18.d5 Nf6 19.Rfd1 b5 20.Na5 Qd7 21.Nc2 Qh3 22.Ne3 Bg4 23.Nc6 e5 24.Qe1 Qh5 25.Rd2 Nd7 26.d6 f5 27.Ne7 Kf7 28.Rc7 f4 29.Ng4 Qg4 30.f3! Qh3 31.fe4 fg3 32.Qg3 Qg3 33.hg3 Ke6 34.Nd5 Red8 35.Rc1 Rab8 36.Nc7 Kf7 37.Rf1 Kg8 38.Na6 Rb6 39.Nc7 Rc6 40.Nd5 Rc4 41.e3 Rf8 42.Rf8 Kf8 43.Kf2 h5 44.a3 Ke8 45.Nc7 Kd8 46.Kf3 Nf6 47.Ne6 Ke8 48.Nc5 Nd7 49.Rd5 Rc3 50.Nd7 Kd7 51.Re5 Ra3 52.Rb5 (52.Rb5 Kd6 53.Rb6 Kc7 54.Rg6+–) 1–0. Kozomara,Vladimir – Osmanagic,Dusan, Sarajevo, 1965.

7.Na3 Bg4

8.0-0 a5 9.b5=.

8.0-0 Na6 9.b5 Bf3 10.Bf3 Nc7 11.bc6 bc6 12.Qa4 Qd6 13.Rfc1 Ne4? (better is 13...Rfb8!? 14.Rab1 a6=) 14.Bg7+/– Kg7 15.cd5 cd5 16.Rc6 Qd8 17.Be4 de4 18.Qe4 Ne6 19.d3 Qd4 20.Qd4 Nd4 21.Rc4 Rfd8 22.Kf1 Rac8 23.Rb1 Rc4 24.dc4 Rd7 25.Rd1 Rd8? 26.Nb5+– Nc6 27.Rd8 Nd8 28.Na7 Kf6 29.e3 Ke6 30.Ke2 Kd6 31.Kd3 Kc5 32.Kc3 Nb7 33.Nb5 Na5 34.Nd4 (34.Nd4 Nb7 35.Nb3 Kc6 36.Kb4+–) 1–0. Jansa,Vlastimil – Stefan,Oldrich, CSR–ch sf Zvolen, 1963.

8.0-0 Qd6 9.b5 (9.Qb3 Nbd7=) 9...Nbd7 10.Rb1 Rfc8 11.d3 Rab8 12.h3 Bf3 13.Bf3 h5 (13...Qe6 14.Bg2=) 14.Qd2 e5 15.Bg2 Nc5 16.Qa5 a6 17.bc6 bc6 18.Nc2 Nfd7 19.Ba3 Rb1 20.Rb1 Bf8 21.Qc3 Qc7 ½–½. Lutz,Christopher (2590) – Hug,Werner (2470), Ehrat Memorial (SUI–GER m), 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Na3 d5 7.Bg2)

8.0-0 e6 9.d3 (9.Ne5 Nfd7 10.Nd3 d4=) 9...Na6 (9...Qe7 10.Qd2=) 10.Nc2 (10.Rb1 Qe7 (10...Nb4? 11.Bf6 Qf6 12.Rb4+–) 11.Ne5 dc4 12.Nac4 Nb4+/–) 10...Rc8 (10...dc4 11.dc4 Qe7 12.Qe1=) 11.a4 (11.Ne5 Bf5=) 11...Nc7 (11...dc4 12.dc4 Qe7 13.Ne5=) 12.Ra2 (12.Ne5 Qd6+=) 12...a6 (12...dc4 13.dc4 c5 14.Ne5 Qd1 15.Rd1 Be2 16.Rd2 cb4 17.Nb4=) 13.a5 (13.Bd4 Bf3 14.Bf3 Re8+=) 13...Re8 (13...Bf3 14.Bf3 Qe7 15.Qd2=) 14.Ne5+= dc4 15.Nc4 Nb5? (15...Bh5 16.f3 g5 17.Be5+=) 16.Nb6 (16.f3 Bh5 17.g4 Nd5+–) 16...Rc7? (16...Nd5 17.Nc8 Nbc3 18.Qa1 Qc8 19.f3 Na2 20.Bg7+– (20.fg4?! Bb2 21.Qb2 Ndc3+=)) 17.Be5 Rce7 18.Ne3 Nd5?? 19.Bg7?? Be2? 20.Qe2 Kg7 21.Nbd5 ed5 22.Qc2 Kg8 23.Bf3 Nd4+/– 24.Qd1 Nf3 25.Qf3+– Re6 26.Rd2 b6 27.ab6 Qb6 28.Nc2 c5 29.bc5 Qc5 30.d4 Qc4 31.Ne3 Qc3 32.Rfd1 a5 33.Rd3 Qb2 34.Nd5 a4 35.Nf6 Kg7 36.Ne8 Re8 37.Ra3 Rc8 38.d5 1–0. algernon (2290) – purplepeace (2125), net–chess.com, 2005.

8.h3 Bf3 9.Bf3 a5 10.b5 dc4 11.bc6 Nc6 12.Nc4 Rc8 13.Qa4 Nd7 14.Bg7 Kg7 15.d3 Nc5 16.Qb5 Nd4 17.Qb2 Kg8 18.0-0 (18.Bb7? Nb7 19.0-0 Qd5–+) 18...Nf3 19.ef3 Nd3 (19...Qd3?! 20.Ne3-/+) 20.Qb3 a4! 21.Qb5 (21.Qa4 Qd4 Decoy) 21...Rc5 22.Qa4 b5 23.Qa5 bc4 (worse is 23...Rc4 24.Qb5 Qd4 25.Rad1–+) 24.Qc3 Qa8 25.f4 Rh5 26.Kh2 Qf3 27.h4 Rb8 28.Rad1 Rb2 29.Rd2 (29.Rd3 Rf2 (29...cd3?! 30.Qb2 Rd5 31.Qb3-/+) 30.Rf2 Qf2 (30...Qd3?! 31.Qd3 cd3 32.Rd2-/+) 31.Kh3 Qf1 32.Kh2 Qd3–+) 29…Rh4! (29...Rh4 30.gh4 Qf4 31.Kh3 Rd2 32.Qd2 Qd2–+) 0–1. Popp,Tony (1830) – Rebaudo,Nino (1850), A012 SEMI, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d5 6.Na3 c6 7.c4 Bg4)

8.0-0 Nbd7

9.Rb1 e6 10.Ne5 Ne5 11.Be5 Ne8 12.Bg7 Ng7 13.h3 Bf5 14.d3 e5 15.b5 Qe7 16.Qa4 e4 17.cd5 cd5 ½–½. Pytel,Krzysztof (2380) – Zuckerman,Bernard (2460), Rubinstein Memorial, 1972.

9.Rc1 a5 10.b5 a4 (10...Qb6 11.Rb1=) 11.d3 (11.Ne5 Ne5 12.Be5 Qa5=) 11...e5 (11...Bf3 12.Bf3 e5 13.Bg2=) 12.h3 (12.Ne5 Ne5 13.Be5 Qe7=) 12...Bf3 13.Bf3 Qb6 (13...Qe7 14.Bg2=) 14.cd5 (14.Qc2 Rfe8=) 14...Nd5 (14...cd5 15.Qc2=) 15.bc6 (15.Qd2 Rfd8+=) 15...bc6 (15...Qb2 16.Bd5 bc6 17.Nc4+=) 16.Nc4 Qa6 17.Ba3 Rfb8 18.Qc2 Bf8 (18...Nb4 19.Bb4 Rb4 20.Nd6+=) 19.Bf8 Kf8 20.Qd2 (20.Rfd1 Nb4 21.Qd2 Qa7+–) 20...Kg7 (20...Kg8 21.d4 Re8 22.e4+–) 21.d4+– ed4 (21...Re8 22.de5 Ne5 23.Ne5 Re5 24.Qd4+–) 22.Qd4 N7f6 23.Ne5 (23.Rfd1 Rd8+–) 23...Rb4+– 24.Qa1 Rc8 25.Rc5 (25.a3 Rb3 26.Ng4 h5 27.Bd5 hg4 28.Bb3 ab3 29.hg4 Qe2+–) 25...a3+– 26.Nd3 (26.Rfc1 Rb2+–) 26...Rb5 27.Rfc1 Rc5 (27...Rcb8 28.Rc6 Qc6 29.Rc6 Rb1 30.Qb1 Rb1 31.Kg2+–) 28.Nc5 Qb6 29.Nb3 (29.e4 Qb2 30.Qb2 ab2+–) 29...Re8 (29...Rc7 30.g4 h6 31.h4+–) 30.Rc5+– Kg8 (30...Ra8 31.g4 h6 32.h4+–) 31.Qc1 Ne4 32.Be4 Re4 33.Rc6 Qb4 34.Rc8 (34.e3 Kg7+–) 34...Kg7 35.e3 Nb6 (35...Re5 36.Rc5+–) 36.Qa1 f6 37.Rc6 Nd5 38.Qc1 Qb5 (38...Re7 39.Rc4 Qd6 40.Rd4+–) 39.Rc5 (39.Rd6 Re7 40.Qa3 Nc7+–) 39...Qd3 40.Nd4 Nb4? (40...Re5+–) 41.Rc7 Kh6 42.Qc5 (better 42.Ra7 Nc2 43.Qc2 Qc2 44.Nc2+–) 42...Qb1 (42...Rd4 43.ed4 Qd1 44.Kg2 Nd3 45.Qf8 Kg5 46.f4 Kf5 47.Qc8 Ke4 48.Qa8 Ke3 49.Re7 Kd4 50.Qa7 Kc3 51.Qa3 Kc4 52.Re4 Kb5+–) 43.Kh2 Re8 44.Rb7 (44.Rb7 Qe4 45.Qc7+–) 1–0. Lubrano,Pietro – Valeriani,Domenico, ITA–ch39 corr, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 c6 4.c4 Bg7 5.Bb2 d5 6.Na3 0-0 7.Bg2 Bg4 8.0-0 Nbd7)

9.Rc1 a6 10.d3 Re8 11.Nd2 (11.h3 Bf3 12.Bf3 e5=) 11...e5 12.h3 Be6 13.e3 Qe7 14.Nc2 Rad8 15.Qe2 e4 16.de4 de4 (16...Ne4 17.Bg7 Kg7 18.Nd4=) 17.Nb3 (17.Rfd1 c5=) 17...Rc8 (17...Nb6 18.Na5+=) 18.Rfd1= b5 19.c5 (19.Nd2 bc4 20.Nc4 Bc4 21.Qc4 c5=) 19...Bd5 20.Ra1 Ne5 21.Be5 Qe5 22.Ncd4 h5 23.a4 (23.Nd2!?=) 23...Bb3-/+ 24.Nb3 Qc3 (24...Nd5 25.Qf1-/+) 25.Nd4 (25.Rab1 Qb4 26.ab5 ab5-/+ (worse is 26...cb5 27.Rd4 Qc3 28.Qa2+=)) 25...Qb4 26.ab5 ab5 ½–½. Tu,Hoang Thong (2390) – Tran,Minh Thang (2330), BANG Namibian, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.g3 0-0 6.Bg2 d5 7.Na3 Bg4 8.0-0 Nbd7)

9.d3 Re8 10.Rc1 e5 (10...dc4 11.Nc4 Nb6 12.Qb3=) 11.cd5 Nd5 12.b5 (12.Qb3 N5b6=) 12...c5 (12...Bf3!? 13.ef3 Re6+=) 13.Nc4+= b6 (13...N7b6 14.h3 Bf3 15.Bf3 Nc4 16.Rc4+=) 14.Nfd2 (14.Qd2 Bf6+=) 14...Be6 15.Nd6 (15.Qa4 h6+=) 15...Re7= 16.N2c4 Rb8 (16...a6 17.ba6 Ra6 18.a4=) 17.e3 (17.Qa4 Qc7+=) 17...Nc7 (17...a6 18.a4=) 18.Rc2 (18.a3 a6 19.ba6 Na6+=) 18...Ne8 (18...a6 19.a4+=) 19.Ne4 (19.Ne8 Re8 20.Qa1 Qc7+=) 19...h6 (19...Bd5 20.f4=) 20.g4 (20.Rc1 f5 21.Nc3 Nc7+=) 20...Kh7 (20...Nc7 21.a4=) 21.g5 Bd5 (21...a6 22.ba6 Ra8 23.gh6 Kh6 24.f4 ef4 25.Qf3 Bb2 26.Qf4 (26.Nb2 fe3 27.Nc5 Nc5 28.Qa8 Qa8 29.Ba8 Nc7+=) 26...Kg7 27.Rb2 Ra6 28.Ng5+=) 22.gh6+/– Bh6 23.Ng5 Bg5 24.Bd5 f5 (24...Nef6 25.Bg2+/–) 25.Bc6 Bf6 (25...Nc7 26.e4 Bf4 27.Qf3+/–) 26.Qf3 Nf8 27.Rd2 (27.Rd1 Nd6+/–) 27...Nd6 28.Rfd1 Qc7 (28...Rc8 29.Qg3 Nf7 30.Qg2+/–) 29.Qg3 (29.Nd6 Qd6 30.d4 ed4 31.ed4 Bd4 32.Qh3 Kg8 33.Rd4 cd4+/–) 29...Nc4 (better is 29...Nf7!?+/–) 30.dc4+– Kg7 31.Rd6 Kf7 32.f4 Bg7 33.Be5 (33.fe5 Kg8+–) 33...Be5 34.fe5 Kg7 (34...Kg8 35.e4 Rg7 36.Qh4+–) 35.Kh1 (35.Qh4 Rf7+–) 35...Kg8 (35...Kh8 36.e4 fe4 37.Be4+–) 36.Rg1 (36.e4 fe4 37.Be4 Rg7+–) 36...Rg7 37.Qh4 Rh7 (37...Nh7 38.Rdg6 Rg6 39.Rg6 Kh8+–) 38.Rdg6 Ng6 39.Rg6 Kf8 40.Qf6 Rf7 41.Qh8 Ke7 42.Qh4 Kf8 43.Qh6 Rg7 44.Qh8 (44.Qh8 Ke7 45.Qg7 Kd8 46.Qf8) 1–0. Juknis,Paulius (2190) – Iyengar,Ilya (1990), London Classic Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Bg4 8.0-0 Nbd7)

9.d3 Re8 10.Nc2 Rc8 11.Ne3 Bf3 12.Bf3 e6 13.a4 Nf8 14.Qb3 d4 15.Nc2 e5 16.Bg2 Ne6 17.Bh3 h5 18.e3 ½–½. Vukanovic,Sasa (2335) – Hribar,Bojan (2235), SLO–chT1 West, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Bg4)

9.d3 Re8 10.h3 Bf3 11.Bf3 e5 12.e3 Qe7 13.Nc2 dc4 14.dc4 Nb6 15.c5 Na4 16.Rb1 Rad8 17.Qc1 Nb2 18.Rb2 e4 19.Bg2 Nd5 20.Rb3 a6 21.Na3 f5 22.Nc4 Be5 23.Ne5 Qe5 24.Qc4 Kg7 25.a4 Nc7 26.Rbb1 Rd5 27.Rfd1 Red8 28.Rd5 Rd5 29.Qc2 Rd3 30.Bf1 Rc3 31.Qb2 Kf6 32.Kg2 Ne6 33.Qd2 h5 34.Qd7 h4 35.gh4 f4= 36.ef4 Nf4 37.Kg1 e3 38.Qd8 Kg7 39.Rd1 ef2 40.Kh1 Nd5 41.Qg5? Qg5 42.hg5 Rg3 43.Bc4 Rh3 44.Kg2-/+ Ne3 (44...Ne3 45.Kh3 Nd1–+) 0–1. Bach,Edwin (2295) – Kolbus,Dietmar (2410), BL2–Sued, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3 Bg4)

9.h3 Bf3 10.Bf3 Nb6 11.cd5 cd5 12.Rc1 Rc8 13.Rc8 Qc8 14.Bg2 Qd7 15.d3 Rc8 16.b5 d4 17.Qb3 Nfd5 18.Nc4 Nc3 19.Re1 (19.Bc3 Nc4 20.Bb4 Nb6=) 19...Qb5 20.Qb5 (worse is 20.Bb7 Qb3 (worse is 20...Nc4 21.Qb5 Nb5 22.Bc8 Nb2 23.Rb1+/–) 21.ab3 Nc4 22.Bc3 Rb8 23.bc4 dc3-/+) 20...Nb5 21.Bb7 Rc7 (worse is 21...Nc4 22.Bc8 Nb2 23.Rb1+/–) 22.Ba6 Nc4 23.dc4 Rc4 ½–½. Stocek,Jiri (2475) – Balogh,Tomas (2285), EU–ch U18 Zagan, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.Na3)

7.Qb3 dc4

8.Qc4 a5 9.b5 Qd5 10.Qd5= Nd5 11.Bg7 Kg7 12.0-0 cb5 13.Nd4 Nc7 14.Rc1 Nba6 15.f4=.

8.Qc4 a5 9.b5 Bd7 10.bc6 Nc6 11.0-0=.

8.Qc4 b6 9.Qb3 Bb7 10.0-0 Nbd7 11.d4 Rc8 12.Nc3 c5 13.bc5 Bf3 14.Bf3 bc5 15.d5 (15.Rfd1 Qa5=) 15...Nb6 16.Rfd1 Nfd7 17.Bg2 Rb8 18.Rac1 a5 19.Ba1 Nc8 20.Qc2 Nd6 21.e4 Qc7 22.Kh1 Rb7 (22...f5!?=) 23.f4+= Rbb8 24.e5 Nf5 25.Qf2 Rfd8 26.Ne4 White prepares the advance d6 26...c4 27.g4 Nh6 28.h3 Nb6 (28...f5!? 29.d6 ed6 30.Nd6 Nb6+–) 29.d6+– ed6 (better is 29...Qd7+–) 30.ed6 (30.Nd6?! Bf8+/–) 30...Qa7 31.Bg7 (31.Bg7 Kg7 32.Qd4 f6 33.Nf6+– (33.Qf6?! Kg8+–)) 1–0. Kiffmeyer,Constanz – Becker,Andreas2, GER–ch U20 Saarbruecken, 1968. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 d5)

8.Qc4 Nbd7 9.0-0 Nb6 10.Qb3 Be6 11.Qc2 Nc4 12.Bc3 Nd5?? (better 12...a5=) 13.Bg7+- Kg7 (13...Nb4 14.Qc3 Nd5 15.Qd4+-) 14.Qc4 Nf6 15.Qc3 a5 16.ba5 Qa5 17.Qa5 Ra5 18.Nc3 Rfa8 19.Rfb1 b5 (19...R8a7 20.Nd4 Bc4 21.f4+-) 20.Nd4 Bd7 (20...Nd5 21.Nd5 cd5 22.Rb2+- (worse 22.Nb5 Ra2 23.Ra2 Ra2+-; worse 22.Ne6 fe6 23.Rb2 Ra3+-)) 21.Nc6 (worse 21.Bc6 e5 22.Ba8 ed4 23.Nb5 Bb5+-) 21...Bc6 22.Bc6 R8a7 1-0. pacalmisu (2465) - danieldima (2465), Rated Blitz game, lichess.org, 2016.

8.Qc4 Be6 9.Qc2 a5 10.ba5 Qa5 11.0-0 Na6 (worse 11...Ba2 12.Nc3 Qc5 13.Rfc1+/-) 12.a3 Qc5 13.Nc3 Nd5 (13...Rfd8 14.d3=) 14.Rfc1 Nc3 (14...Nf6 15.Rab1=) 15.Bc3 Bc3 16.Qc3 Qc3 17.Rc3 Rfd8 18.d3 f6 19.Rb1 Ra7 20.Nd2 (20.a4 Rd5=) 20...Nc7 21.Nc4 (better 21.a4!?=) 21...Nb5-/+ 22.Rcb3 Rda8 (22...Bc4 23.dc4 Na3 24.Ra1-/+) 23.Rb4 (23.Rb5 cb5 24.Rb5 Kf8=+) 23...Bc4-/+ 24.dc4 Nd6 (24...Na3!? 25.Rd1 Kf8-/+) 25.c5= Nb5 26.Rb5 cb5 27.Rb5 Looking at b7 27...Ra5 28.Rb7 (28.Bd5 Kf8 29.a4 R8a7=+) 28...Rc5-/+ 29.Re7?? (29.h3 e5 30.Rh7 Ra3-/+) 29...Ra3 (better 29...Rc1 30.Bf1 Ra3-+) 30.Bf3 h5 31.h4 Rca5 32.Kg2 Ra7 33.Bd5 Kh8 (33...Kf8 34.Ra7 Ra7 35.e4-/+) 34.Re6 Kg7 35.Re8 R3a5 36.Bf3 (36.Rg8 Kh6 37.Rh8 Rh7=+) 36...Kh6 (36...Rd7 37.Be4-/+) 37.Rh8=+ Rh7 38.Rf8 Kg7 39.Rb8 g5 (39...Ra6 40.Be4=+) 40.Rb7 Kh8 41.Rb8 Kg7 42.hg5 Rg5 43.Rb7 Kh6 44.Rb6 Kg7 (44...Rf7 45.Kh3=+) 45.e3 (45.Kh3!?=) 45...h4=+ 46.g4 h3 47.Kh2 f5?? (better 47...Rh6!?-/+) 48.Rb5?? (better 48.Rb7 Kg8 49.Rh7 Kh7 50.gf5+-) 48...Kf6= (48...Rg4? 49.Bg4 fg4 50.Rg5 Kf6 51.Rg4+-) 49.gf5 Rf5 50.Rb6 (50.Rf5 Kf5 51.Be2 Ke4=+) 50...Kg5=+ 51.Kg3?? (better 51.Be4 Rf2 52.Kg3=+) 51...Rf3!-+ 52.Kf3 h2 53.Rb5 Kf6 54.Rb6 Kg5 55.Rb5 Kf6 56.Rf5?? (56.Rb6 Ke5 57.Rb5 Kd6 58.Rb6 Kc5 59.Rb1 h1Q 60.Rh1 Rh1 61.Ke4-+) 56...Kf5-+ 57.Ke2 Kf6 (57...h1Q 58.e4 Qe4 59.Kd2 Rc7 60.Kd1 Qd3 61.Ke1 Rc1) 58.Kd3 (58.Kd1 h1Q 59.Kc2 Rc7 60.Kb2 Qc1 61.Ka2 Rc3 62.e4 Ra3) 58...Ke7 (58...Rd7 59.Kc2 h1Q 60.e4 Qe4 61.Kb2 Qb4 62.Kc1 Qb3 63.f4 Rd1) 59.Kd4 (59.Kd4 Rh4 60.Kc3 h1Q 61.Kd3 Qd5 62.Kc3 Rc4 63.Kb2 Qb5 64.Ka3 Ra4; 59.Kc3 Ke6 60.Kd2 Rd7 61.Kc2 h1Q 62.e4 Qe4 63.Kb2 Qb4 64.Kc1 Qb3 65.f4 Rd1). pacalmisu (2420) - DrBergerBerger (2400), Rated Blitz game, lichess.org, 2016.

8.Qc4 Be6 9.Qh4 h6 10.Bf6?? (better is 10.h3+=) 10...Bf6–+ (10...ef6?! 11.Nc3+=) 11.Qh6 Bg7 (11...Ba1?! 12.Ng5 Re8 13.Ne6+=) 12.Qh4 Ba1 13.Ng5 Re8?? (better is 13...Kg7 14.Qh7 Kf6=) 14.Nc3+– Kg7 15.Qh7 Kf6 16.f4 (16.f4 Qd2 17.Kd2 Bc3 18.Kc3 Ba2 19.Ne4 Ke6 20.Bh3 f5 21.Qg6 Kd7 22.Nc5 Kd8 23.Qf5 e6 24.Qf6 Kc7 25.Qf7 Kd8 26.Rd1 Bd5 27.Be6 Re7 28.Qf8 Kc7 29.Qe7 Nd7 30.Qd7 Kb6 31.Qb7) 1–0. Doll,Stefan (2250) – Loeffler,Markus (2350), Oberliga Baden, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 c6 6.c4 d5 7.Qb3 dc4)

7.c5 a5

8.a3 Na6 9.Qb3 b6 10.Ne5 Qc7 11.cb6 Qb6 12.Qc2 Bb7 13.ba5 Qa5 14.0-0 (14.Nc6? Bc6 15.0-0 Rfc8–+) 14...Rab8 15.d3 c5 16.Nd2 Rfc8 17.Rab1 Ba8 18.f4 c4 19.dc4 dc4 20.Ba8 (20.Ndc4 Bg2 21.Kg2 (21.Na5? Rc2 22.Kg2 Rcb2 23.Rb2 Rb2–+) 21...Qd5 22.Kg1+=) 20...c3= 21.Ndc4 Qc5 22.Kg2 cb2 23.Bf3 Nd5 24.Qd2 Rd8 25.e4 (25.Rb2? Be5 26.Rb8 Bb8 27.Bd5 Rd5–+ (worse is 27...Qd5 28.Qd5 Rd5 29.Kf3–+)) 25...Nb6 26.Qe2 Nc4 27.Nc4 Bc3 28.Kh1 (28.Nb2?? Rd2 (28...Qa3?! 29.Nc4 Qa4 30.Rb8 Rb8 31.Rc1=) 29.Na4 Qa3 30.Nc3 Qc3–+ (30...Re2?! 31.Ne2 Rb1 32.Rb1-/+)) 28...Kg7 29.Nb2 Rd2 30.Qa6 Rbb2 31.Rb2 Bb2 32.Rd1 Rc2 33.Qf1 Ba3 34.Qd3 e5 35.Rf1 ef4 ½–½. Sliwa – Gritsaenko, Konstantinopolsky Memorial, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Qb3 b6 12.d4 (12.Bd4 bc5 13.bc5 Bf5=) 12...Ne4+= 13.Nc3 (13.0-0!?+=) 13...bc5-/+ 14.Ne4 de4 15.Ne5 Be5 (15...cd4 16.Nc6 Qc7 17.b5-/+ (17.Nd4? Rd8–+)) 16.de5 cb4 17.0-0 Qd5 18.Qb1 Bf5 19.g4 (19.h3 h5–+) 19...Bg4 20.Be4 Qe6 21.Rc1 (21.Qc2 c5–+) 21...c5 (21...Be2 22.Bg2 Bc4 23.h3–+) 22.Qd3 (22.Bd3 Bh3 23.f3 Qb6–+) 22...Bf5 23.Bf5 Qf5 24.Qc4 Rd8 25.f3 Qe6 26.Qh4 (26.Qe6 fe6 27.Kf2 Kf7–+) 26...c4! 27.Bd4 (27.Rc4 Rd1 Double attack; 27.Qc4 Qb6 Decoy) 27...c3 28.Kf2 (28.e3 Nb8–+) 28...Nb8 29.Rg1 (29.Bc5 Nc6–+) 29...Nc6 30.Bb6 Rd7 31.Be3 Rd5 (31...b3 32.Qa4–+) 32.f4 (32.Ra1 Rd8–+ (32...Re5?? 33.Ra8 Nb8 34.Rb8 Qc8 35.Rc8 Kg7 36.Bh6#)) 32...Nd4 (32...b3!? 33.Qg3–+) 33.Bd4 Rd4 34.Qh6 (34.Rc1 b3 35.Qg3 b2 36.Rc3 b1Q–+) 34...Qf5 35.e3 (35.Ke3 Qe4 36.Kf2 c2–+) 35...Qc2 36.Kf3 (36.Kg3 Rd1 37.Rg2–+) 36...Qe4 37.Kg4 Qe3 38.Rg3 Qe5 39.Rh3 Qf4! 40.Qf4 Rf4 41.Kf4 c2 0–1. Grau,Jose Maria – Arias Rodriguez,Santiago, Asturias–ch Preferente, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

8.a3 ab4 9.ab4 Na6 10.0-0=.

8.a3 b6 9.0-0 ab4 10.ab4 Ra1 11.Ba1 bc5 12.bc5 Qa5 13.Be5 Nbd7 14.d4 Ba6 15.Qc2 Ra8 16.Nc3 Bc8 17.Bf4 Nh5 18.Bd2 Qc7 19.e4 e5 20.ed5 ed4 21.d6 Qa7 22.Ne2 d3 23.Qd3 Qc5 24.Rc1 Ba6 25.Qe4 (worse is 25.Rc5 Bd3 26.Rh5 gh5-/+ (26...Be2?! 27.Ra5 Ra5 28.Ba5=)) 25...Nhf6 26.Qd4 (worse is 26.Rc5 Ne4 27.Ra5 Nb6-/+) 26...Qf5 27.Nh4 Qe6 28.Nf4 Qb3 29.Bc6 Rc8 30.Qe3 (better is 30.Nd5!? Nd5 31.Qd5+/–) 30...Qe3= 31.fe3 g5 32.Nf5 gf4 33.Ne7 Kf8 34.Nc8 Bc8 35.gf4 Bh6?? (35...Nb8 36.Bg2 Be6 37.e4+–) 36.Kg2 (better is 36.Bb5 Nb6 37.Rc6+–) 36...Ba6 37.Ra1 Bd3 38.Bc3 Bf5 39.Ra8 Kg7 40.e4 Bg4 41.e5 Nh5 42.e6 Ndf6 43.d7 Nf4 44.Kf2 Ne6 45.Bd5 Nd8 46.Rd8 Kg6 47.Bc6 Bd7 48.Bf6?? Bc6+/– 49.Rd6 Ba4 50.Bd4 Kh5 51.Kg3 Bb3 52.Rb6 Be6 53.Rb5 Kg6 54.h4 Bc1 55.Be5 h5 56.Bf4 Bf4 57.Kf4 ½–½. Morozov,Vasiliy (2045) – Vladimirov,Mikhail (2155), Novokuznetsk op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

8.a3 Bf5 9.0-0= Bb1 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.Qb1 Nbd7 (10...b5 11.cb6 ab4 12.Rc1=) 11.d3 (11.Bd4 Re8=) 11...Qc7 12.e4 (12.Qc2 e5=) 12...e5 13.Re1 (13.Nd2 Bh6 14.Qc2 Rfd8=) 13...d4 14.Nd2 (14.Qc2 ab4 15.ab4 Rfb8=) 14...b5 (14...ab4 15.ab4 b6 16.Qc2=) 15.cb6 Nb6 16.Qc2 (16.f4 ef4 17.Bd4 fg3 18.hg3 Nbd7+=) 16...Rfc8 (16...ab4 17.ab4 Qd6 18.Nc4 Nc4 19.Qc4=) 17.Bh3 (17.ba5 Ra5 18.f4 ef4=) 17...Nfd7= 18.Rf1 (18.ba5 Ra5 19.Nb3 Ra7=) 18...Qd6 (18...ab4 19.ab4 Qd6 20.Nc4 Nc4 21.Qc4 Ra1 22.Ra1=) 19.ba5 (19.f4 ef4 20.ba5 Ra5 21.Bd7 Rc5=) 19...Ra5 20.Nb3 Ra7 21.f4 Bh6 (21...ef4 22.gf4 c5 23.e5+=) 22.Bc1 (22.a4 c5+/–) 22...ef4+= 23.gf4 (23.a4 Ra4 24.Bd7 Qd7+/–) 23...c5= 24.f5 (24.e5!? Qe7 25.Bd2=) 24...Bc1+= 25.Qc1 (25.Nc1 c4 26.fg6 fg6 27.dc4 Nc4=) 25...Rca8 (25...c4 26.dc4 Nc4 27.Rf2+=) 26.fg6= hg6 27.Nd2? (better is 27.Bd7 Nd7 28.Nd2=) 27...Ne5–+ 28.Nf3 (28.Qc2 Ra3 29.Nb3 c4 30.dc4 Nbc4 (30...Nec4 31.Qf2 f5 32.ef5-/+) 31.Ra3 Ra3–+ (31...Na3?! 32.Qf2–+)) 28...Nd3 29.Qh6 Qf8 (29...Ra3 30.Ng5 R8a7 31.Qh7 Kf8 32.Qh8 Ke7 33.Rf7) 30.Qg5 (30.Qh4 Qg7–+ (30...Ra3 31.Ng5 Qg7 32.Ra3 Ra3 33.Nf7 Qf7 34.Qd8 Kg7 35.Rf7 Kf7 36.Qc7 Kf6 37.Qb6 Kg5 38.Qd8 Kf4 39.Qh4 Ke3 40.Qg5 Kf3 41.Bg2 Ke2 42.Bf1 Kd1 43.Qg6+–)) 30...Ra3 (30...Nc4 31.Be6 Ne3 32.Bd5 Nd5 33.ed5 Ra3 34.Ra3 Ra3 35.Nd2–+) 31.Ra3 Ra3 32.Nh4 Qd6?? (better is 32...Qe8 33.Nf5 Ra7–+) 33.Nf5+– Qc7?? (better is 33...Qf8 34.Ne7 Kh7+–) 34.Nh6 (better is 34.Ne7 Qe7 35.Qe7+–) 34...Kh8?? (34...Kg7 35.Nf7 Qf7 36.Rf7 Kf7=) 35.Nf7 Kg8 (35...Qf7 36.Rf7 Ra1 37.Bf1 Rf1 38.Kf1 Kg8 39.Qg6 Kh8 40.Qg7) 36.Qg6 Kf8 37.Ng5 (37.Nd6 Nf2 38.Rf2 Rf3 39.Rf3 Ke7 40.Qf6) 37...Nf4 (37...Nf2 38.Rf2 Rf3 39.Rf3 Qf4 40.Rf4 Ke7 41.Qf6 Ke8 42.Qf8) 38.Ne6 (38.Ne6 Ke7 39.Qg7 (39.Nc7 Ng6 40.Bf5 Ne5-/+; 39.Rf4 Ra1 40.Bf1 Qf4 41.Nf4 Rb1+–; 39.Nf4 Qd6 40.Nd5 Nd5 41.Rf7 Ke8 42.Qg8 Qf8 43.Qf8) 39...Ke8 40.Qf8 Kd7 41.Qf7 Kc6 42.Qc7 Kb5 43.Rb1 Rb3 44.Qc5 Ka6 45.Ra1 Ra3 46.Ra3 Na4 47.Ra4 Kb7 48.Qc7; 38.Nh7 Qh7 39.Rf4 Ke7 40.Qf6 Ke8 41.Qf8) 1–0. Wiszniowski,Eugeniusz (1800) – Sowinski,Jaroslaw, OLM, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5)

7.cd5 cd5

8.0-0 Na6 9.a3 Bf5 10.Nc3 Nc7 11.Rc1 Rc8 12.a4 d4 13.Nb5 (13.Nb1 d3 14.Re1 Ncd5 15.Rc8 Qc8 16.ed3 Nb4 17.Re7 Rd8+=) 13...Nb5 14.ab5 d3 15.Bf6 (15.Rc8 Qc8 16.ed3 Qd7=) 15...de2 (15...Rc1!? 16.Qc1 de2 (worse is 16...ef6 17.e3+=) 17.Bg7 ef1R (17...ef1B?! 18.Bf8 Bg2 19.Kg2 Qf8 20.Qc7=) 18.Qf1 Kg7 19.Qa1 Kg8 20.Qa7 Qd3–+) 16.Qe2+= Bf6 17.d4 Qb6 18.Rc5 Bd7 Attacking the isolated pawn on b5 (better is 18...Rfd8!?+=) 19.Ne5+= Be5 20.Qe5 (worse is 20.de5 Rc5 21.bc5 Qc5+=) 20...Rc5 (20...e6 21.Rfc1 f6 22.Qe3+=) 21.bc5+/– Qb5 22.Qe7 Bc6 (22...b6 23.Rc1 bc5 24.dc5+= (worse is 24.Rc5 Qb1 25.Bf1 Bh3=)) 23.Bc6 (better is 23.d5!? Be8 24.h3+–) 23...Qc6+= 24.Rb1 Rb8 ½–½. Wall,Bill – Pennell, Taylorsville, 1975.

8.0-0 b5 9.d3 (9.a4 ba4 10.Qa4 Nbd7=) 9...Bb7 10.Nbd2 Nc6 11.a3 a5 12.ba5 Na5 13.Rb1 Ba6 14.Re1 Rc8 15.Rc1 Qd6 16.Rc8 Rc8 17.Qb1 e6 18.Rc1 Qd8 19.Kf1 Rc1 20.Qc1 Qc8 21.Qc8 Bc8 22.Ke1 Nd7 (22...Nc6 23.Nb3=) 23.Bg7+= Kg7 24.Nd4 Ba6 25.N2b3 Nb7 26.Kd2 Nd6 27.Kc3 Nb7 (27...e5 28.Nc6 Bb7 29.Bd5 Nf6+–) 28.Kb4+– Nb8 29.Na5 Nd6 30.Kc5 Nc8 31.Nac6 Nd7 32.Kb4 Bb7 33.Nd8 (33.Nb5 Bc6 34.Nd4 Ne7-/+) 33...Ba8 34.Nb5 Ne7 (34...Kf8 35.Nc7 Ncb6 36.a4+–) 35.a4 Kf8 36.Nc7 Nc6 37.Nc6 Bc6 38.d4 Ke7 39.e3 Kd8 40.Nb5 Nb8 41.Bf1 f6 (41...g5 42.h3+–) 42.Nc3 (42.Kc5 Bd7+–) 42...e5? (better is 42...Kc7+–) 43.Kc5 e4 1–0. Schieferstein,Michael (1785) – Mietner,Franz (1995), Bahn–chG Bad Laasphe, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Qd6 9.Qb3 Nc6 10.a3 a5 11.b5= a4 12.Qc2 Na7 13.Be5 Qd7 14.Qa4 Qb5 15.Qb5 Nb5 16.Nc3 Nc3 17.Bc3 Ne4 18.Bg7 Kg7 19.Rfc1 e6 20.Rc7 Nd6= 21.e3 Nb5+= 22.Rc5 Ra3 23.Ra3 Na3 24.Bf1 Rd8 25.Rc3 Nc4 26.Bc4 dc4 27.Rc4 Kf6 28.d4+= b5 29.Rb4 Bd7= 30.Ne5 Be8 31.h4 Ra8 32.Rb2 Ra1 33.Kg2 h5 34.Kf3 Ke7 35.Ke2 Kd6 36.Kd3 f6 37.Nf3 Bc6 38.Nd2 Ra3 39.Ke2 Ra1 40.Nb1 Bd5 41.Nc3 Bc4 42.Kf3 Exerts pressure on the isolated pawn 42...Ra5 43.Kf4 b4 44.Rb4= Rf5 45.Ke4 Bd5 46.Nd5 ed5 47.Kd3 Rf2 48.Rb6 Ke7 49.Rb7 Ke6 50.Rb6 Kf5 51.Rd6 Kg4 52.Rd5 Kg3 53.Ra5 Kh4 54.d5 Rb2 55.d6 Rb8 56.d7 Rd8-/+ 57.Rd5 Kg3 58.Ke4 h4-/+ 59.Rd6?? g5 60.Kf5 h3 61.e4?? h2 62.Rd3 Kh4 63.Rd1 g4 64.Kf6 g3 (64...g3 65.Rh1 Kh3–+) 0–1. Kozak,Pe (2200) – Priborsky,J (2320), VISUS Open, Prague CZE, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Qd6 9.b5 Bf5 10.Nd4 Nbd7 11.Ba3 Qe5 12.Nf5 gf5 13.d4 Qe6 14.Nc3 Ne4 15.Rc1 Rfc8 16.Ne4 fe4 17.e3 Rc1 18.Qc1 a6 19.b6 Nb6 20.Qc7 Rc8 21.Qb7 Bf8 22.Rc1 (22.Qa6? Ra8 23.Qe2 Ra3–+) 22...Nc4 23.Bf1 Rc6 24.Bc4 Rc4 25.Rc4 dc4 26.Qc7 c3 27.Qc3 Qa2 28.Kg2 Qe2 29.Qb3 h5 30.h4 Qb5 31.Qc2 Qf5 ½–½. Dammer,Axel (2400) – Hollstein,Frank (2255), RSS7E adv–49, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Bd7 9.d3 Bc6 10.Nbd2 a6 11.Ne5 Nbd7 12.Nc6 bc6 13.Qa4 Qb6 14.Rfc1 Rfc8 15.Nf3 Ng4 16.d4 e5 17.h3 e4 18.hg4 ef3 19.Bf3 Bd4 20.Bd4 Qd4 21.e3 Qb6 22.Bd5 cd5 23.Qd7 Rc1 24.Rc1 Qb4 25.Qd5 Qb2 26.Qa8 Kg7 27.Qc6 1–0. wictorio (1925) – oddajcebule, kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Bd7 9.d3 Nc6 10.b5 Na5 11.a4 b6 12.Ne5 Rc8 13.Nd2 Be6 14.Ndf3 Ng4 15.h3 Ne5 16.Be5 Be5 17.Ne5 Qd6 18.d4 f6 19.Nd3 Qd7 20.Nf4 Bf7 21.Qd3 Rc4 22.e3 Rfc8 23.h4 Kg7 24.Bh3 e6 25.Qe2 Qd6 26.Qf3 Nb3 27.Rad1 Rc2 28.h5 Nd2 29.Qg4 Nf1 30.Rf1 e5 31.hg6 hg6 32.de5 fe5 33.Nh5 Kf8 34.Qg5 gh5 35.Bc8 Rc8 36.Qf5 Qe6 37.Qg5 e4 38.Kg2 Rc2 39.a5 Qg6 40.Qd8 Kg7 41.ab6 ab6 42.Qb8 Qf5 43.Kg1 h4 44.Qb6 hg3 45.Qd4 Qf6 46.Qf6 Kf6 47.fg3 Ke6 48.Rb1 Rc7 49.Kg2 Rb7 50.g4 Kd6 51.Kg3 Kc5 52.Kf4 Rb5 53.Ra1 Rb2 54.Ke5 Rg2 55.Rc1 Kb6 56.Kf6 Be8 57.Kf5 Bd7 0–1. grajaro (1790) – kultknjige (1760), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Ne4 9.Bg7 Kg7 10.Qb3 e6 11.d3 Nd6 12.Nc3 Na6 13.Rac1 Qb6 14.a3 Bd7 15.Ne5 Be8 16.Na4 Ba4 17.Qa4 Qb5 18.Qb3 Rac8 19.Qb2 f6 20.Nf3 Qd7 21.Bh3 Rc1 22.Rc1 Rc8 23.Rc8 Nc8 24.Qd4 Nc7 25.e4 Nb6 26.Qc5 Na6 27.Qe3 de4 28.Qe4 f5 29.Qe5 Kg8 30.Nd4 Nc7 31.Bg2 Qc8 32.Qd6 Kf7 33.h4 Ne8 34.Qe5 Nf6 35.Bf3 a6 36.Nb3 Nbd7 37.Qd6 Ne8 38.Qd4 b6 39.Kg2 Qc7 40.Nd2 Ne5 41.Nc4 Nc4 42.dc4 Nf6 43.c5 bc5 44.bc5 Ke7 45.Qb4 a5 46.Qc3 e5 47.Qe3 e4 48.Be2 Nd7 49.Qh6 Qc6 50.Qh7 Kd8 51.h5 gh5 52.Qf5 Nc5 53.Bh5 a4 54.Qf8 Kc7 55.Be8 Qd5 56.Qf7 Qf7 57.Bf7 Kd6 58.g4 Nd3 59.Kg3 Ke5 60.Be8 Nb2 61.Bb5 Kd4 62.g5 Ke5 63.f4 Kf5 64.Bd7 Kg6 65.Kg4 Nc4 66.f5 Kg7 67.Ba4 e3 68.f6 Kf8 69.Bd1 Na3 70.g6 Nc4 71.Be2 Nd6 72.Kf4 Ne8 73.Ke5 1–0. Rohacek,Miroslav (2275) – Seitler,Andrej (2240), SVK–chT1W, 2006. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

8.0-0 e6 9.d3 Bd7 10.Nbd2 Nc6 11.b5 Na5 12.a4 b6 13.Nb3 Nb3 14.Qb3 Rc8 15.Rfc1 Rc1 16.Rc1 Qb8 17.Be5 Qa8 18.Qb2 Ne8 19.Bg7 Ng7 20.Rc7 Bc8 21.Qc3 Qb8 22.Qc6 Nf5 23.e4 Ng7 24.Ne5 de4 25.de4 a6 26.ba6 Ba6 27.Nd7 Qd8 28.Qb6 Be2 29.h4 Re8 30.a5 Qa8 31.Nf6 Kf8 32.Nh7 Kg8 33.Nf6 Kh8 34.Ne8 Ne8 35.Rf7 1–0. grajaro (1960) – antalsakk (1805), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Re8 9.d3 Qb6 10.Qb3 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Nc6 14.b5 Na7 15.Na3 e6 16.Bd4 Qa5 17.Ra1 Bd7 18.Ne5 Nb5 19.Nd7 Nd4 20.Nf6 Bf6 21.Qd1 Ne2 22.Qe2 Ba1 23.Nc2 Bg7 24.h4 Qc3 25.Ne3 Rc8 26.h5 b5 27.hg6 hg6 28.Bh3 b4 29.Nd5 Qc1 30.Kh2 ed5 31.Bc8 Qc8 32.Qf3 b3 33.Qd5 b2 34.Qb3 Qc1 35.Qb8 Bf8 0–1. grajaro (1890) – vassaya (1645), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Bf5 9.a3 Nbd7 10.d3 Re8 11.Nbd2 e5 12.Rc1 Qb6 13.Nh4 Be6 14.Rc2 Rac8 15.e4 d4 16.Nc4 Qc6 17.Qa1 b5 (17...Bc4?! 18.Rc4 Qa6 19.f4 Rc4 20.dc4 ef4 A) worse is 21.Rf4 g5 (worse is 21...Qc4 22.e5 Ne5 23.Bd4+=) 22.Rf6 Bf6-/+ (22...Qf6?! 23.Nf5=); B) 21.Bd4 fg3 22.hg3 Qc4 23.Rf6 Nf6 24.Bf6 Bf6 25.Qf6 Qc1 26.Kh2 Qa3 27.Qd4=) 18.h3?? (better is 18.Ne3 Qd6 19.Rfc1 Rc2 20.Nc2-/+) 18...bc4–+ (18...Bc4?! 19.f4 Nh5 20.Qe1–+) 19.f4 (19.dc4 Ne4 20.Re1 f5–+) 19...c3 20.Bc1 Bb3 21.Rcf2 Qa6 22.fe5 Ne5 23.Bg5 Nh5 24.Kh2 Qd3 25.g4 Ng4! 26.hg4 Qg3 27.Kh1 Qg4 28.Qc1 Ng3 29.Kg1 Nf1 30.Rf4 Qg5 (30...Qg5 31.Nf3 Qh6 32.Kf1 d3–+) 0–1. Safr,Jan (1630) – Kacr,Zbynek (1640), Karlovy Vary op, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

8.0-0 Bf5 9.d3 Na6 10.a3 Rc8 11.Nbd2 Qd7 12.Qb3 Bh3 13.Ne5 Qe6 14.Ndf3 Bg2 15.Kg2 Rc7 16.Bd4 b6 17.Qa4 Nb8 18.Rfc1 Rfc8 19.Rc7 Rc7 20.h3 Nc6 21.Rc1 b5 22.Qc2 Nd4 23.Qc7 Ne2 24.Qc8 Bf8 25.Qe6 fe6 26.Rc7 Ne8 27.Rc6 Nd6 28.Kf1 1–0. grajaro (1950) – yossarian10, kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Bf5 9.d3 Re8 10.Nbd2 Qd6 11.Qb3 e5 12.e4 de4 13.Ne5 Be6 14.Nec4 Qc7 15.Qa4 (15.Qa3 ed3 16.Be5 Qe7=) 15...Nbd7 16.Rac1 (16.Be4? Ne4 17.Ne4 Bc4 18.Bg7 Kg7–+) 16...ed3 17.Na5 Qb6 18.Ndc4 Bc4 19.Nc4 Qe6 20.Bb7 Rab8 21.Bc6 White prepares the advance b5 21...Rec8 22.b5 Qh3 23.Ne3 (23.Qa7 Ng4 24.Rfd1 Qh2 25.Kf1 Rc6 26.Rd3 Re8–+) 23...Nf8? (better is 23...Ng4! 24.Ng4 Nb6+/– (24...Bb2?? 25.Bd7 Rc1 26.Rc1+–)) 24.Be5+– (24.Qa7?! Ng4 25.Ng4 Bb2+/–) 24...Ne6 25.Bg2 Qh5 26.Bb8 Rb8 27.Qa7 Rd8 28.Qb7 Bh6 29.Rc8 Be3 30.fe3 d2 31.Rd8 Nd8 32.Qf3 Qe5? 33.Qf4 Qc3 34.Qd4 Qd4 35.ed4 Ne6 36.b6 Nd4 37.b7 Nd7 38.Rd1 Ne2 39.Kf2 (39.Kf2 Kg7 40.Rd2+–) 1–0. Gonzalez,BM (2385) – Martin del Campo,R (2430), Gutierrez Memorial, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.a4 Nbd7 9.Qb3 a5 10.Nc3 e6 11.Nb5 ab4 12.Qb4 Nb8 13.0-0 Nc6 14.Qd6 Qd6 15.Nd6 Rd8 16.Nb5 Ne4 17.Bg7 Kg7 18.Rfc1 Ra5 19.d3 Nd6 20.Nd6 Rd6 21.Nd2 Ne7 22.Nb3 Ra7 23.Rc7 Rd7 24.Rc2 b6 25.Nd4 Ra6 26.Nb5 Bb7 27.e3 Bc6 28.Rb2 Ra5 29.Nd4 Ra4 30.Rc1 Bb7 31.Rb6 Ra3 32.Nf3 Ba6 33.Ne5 Ra7 34.d4 f6 35.Nc6 Nc6 36.Rbc6 Bc4 37.h4 Kf7 38.Rb6 Ra2 39.Rcb1 Ra1 40.Bf1 ½–½. Gourlay,I (2365) – Moskovic,D (2290), 4NCL, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 c6 4.c4 d5 5.cd5 cd5 6.Bb2 Bg7 7.Bg2 0-0)

8.a4 Bf5 9.Nc3 Nbd7 10.Qb3 Nb6 11.d3 a5 12.ba5 Ra5 13.0-0 Nfd7 14.Rfc1 e5 15.Nb5 Nc8? (15...Bh6 16.Rcb1 Na4 17.Be5 Ne5 18.Ne5 Re8 19.Nf7 Kf7 20.Ra4 Ra4 21.Qa4 Re2+/–) 16.Qd5+– Qb6 17.Ne5 (17.Be5?! Ne5 18.Ne5 Ne7 19.Qb7 Qb7 20.Bb7 Be5=) 17...Be6 (17...Ne5 18.Be5 Rd8 19.Qc5 Qc5 20.Rc5+–) 18.Qe4 (18.Nd7 Bd5 19.Rc8 Qe6 20.Rf8 Bf8 21.Nf6 Kh8 22.Bd5 Qe2+–) 18...Nd6 (18...Nc5 19.Rc5! Qc5 20.Rc1+/–) 19.Qf4 (better is 19.Nd7!? Bd7 20.Nd6 Qd6+–) 19...Nb5 20.Nd7 Bd7 21.Bg7 Kg7 22.ab5 Rfa8? (better is 22...Ra1 23.Qe5 f6 24.Qa1 Re8+–) 23.Ra5 Ra5 24.Qe5 (better is 24.Bd5 Qf6 25.Qc7+–) 24...Kh6? (24...Qf6 25.Qc7 Ra1 26.Bb7 Bc6 27.Qc6 Qc6 28.bc6 Rc1 29.Kg2 f5+–) 25.Rc4 f6 (25...g5 26.Rd4 Ra1 27.Bf1 Rf1 28.Kf1 Bh3 29.Kg1 f6+–) 26.Rh4 (26.Rh4 Kg7 27.Qe7 Kg8 28.Rh7 Qf2 29.Kf2 Rb5 30.Qf7) 1–0. Richter,Wolfgang (2460) – Post,Ralf, Kassel op, 1998. (=1.c4 Nf6 2.b4 g6 3.g3 Bg7 4.Bb2 0-0 5.Bg2 c6 6.Nf3 d5 7.cd5 cd5)

8.Qb3 Nc6+= 9.0-0 h6 (9...Qd6 10.b5 Na5 11.Qa3+=) 10.d3 (10.Na3 a6=) 10...Be6 (10...a6 11.Nbd2=) 11.b5+= Na5 12.Qb4 Rc8 (12...a6 13.a4 Qb6 14.Nbd2+=) 13.Na3+= b6 (13...Qb6 14.Rac1+=) 14.Rfc1 Re8 15.Nc2 Bg4 (15...Qd6 16.Qd6 ed6 17.Nfd4+=) 16.Ne3+/– Bf3 17.Bf3 e6 18.Rc8 Qc8 19.Be5 Qc5 (better is 19...Nd7!? 20.Bg7 Kg7 21.Qb2 Kh7+/–) 20.Qb2+– Nh5 21.Bh5 Be5 22.Qe5 d4 (22...gh5!? 23.Qh5 d4 24.Qc5 bc5 25.Ng4+–) 23.Qc5 bc5 24.Bf3 (24.Ng4!? Rb8 25.Bg6 fg6+–) 24...de3+/– 25.fe3 Rb8 26.a4 c4 27.Rc1 Rc8 28.Rc3 Kf8 29.Kf2 (29.e4 f6+–) 29...Ke7+/– 30.e4 Kd6 31.d4 e5 32.e3 Nb3 33.Be2 Nd2 34.Ke1 (34.Bd3 f5 35.de5 Ke5 36.ef5 gf5+/–) 34...Ne4 (34...ed4!? 35.ed4 Ne4 36.Rc4 Re8+/–) 35.Rc4+– Rc4 36.Bc4 f6 (36...f5 37.a5 ed4 38.ed4+–) 37.a5 (37.Bd3 Nc3 38.a5 f5+–) 37...Kc7 38.Ke2 (38.Bd3 Nd6 39.de5 fe5+–) 38...Nd6+/– 39.Kd3 e4 40.Kc3 h5? (40...Nf5 41.d5 h5+/–) 41.Kb4 Nf5 (41...h4 42.gh4 f5 43.Bd5+–) 42.Bd5 Ne3 43.Be4 f5 44.Bd3 (44.Bc6 Ng4 45.Kc5 Nf2+–) 44...Kd6 45.a6 (45.Be2!? Nd5 46.Kc4 Ne3 47.Kd3 Nd5+–) 45...Nd5 46.Kb3 Nb6 47.Bc4 g5 48.h4 (48.Kc3 Ke7+–) 48...g4 (48...f4 49.gf4 gh4+/– (49...Nc4?? 50.Kc4 g4 51.b6 ab6 52.a7+–)) 49.Bf1 (better is 49.Bd3!? f4 50.gf4+–) 49...Kd5+= 50.Kc3 Ke4 51.Bd3?? (51.Bg2 Ke3 52.Bc6 Na4 53.Kb4+/–) 51...Kf3–+ 52.Bf5 Kg3 53.Kb4 ½–½. Mascher,Klemens (2065) – Ager,Josef (2150), Feistritz an der Drau AUT, Men Ch, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

8.d3 Nc6 9.b5 Qa5 10.Nc3 =+.

8.d3 Bg4 9.Nbd2+= Bf3 10.Nf3 Nc6 11.a3 e6 12.0-0 Rc8 13.Qd2 Qb6 14.Rac1 Rfd8 15.Rc2 Rc7 (15...Ne4 16.Qc1 Bb2 17.Qb2=) 16.Bf6 (better is 16.b5 Ne7 17.Bd4+/–) 16...Bf6= 17.Qf4 Bg7 18.Rfc1 Rdc8 19.a4 (19.Qe3 d4 20.Qf4 a5=) 19...a6 20.a5 Qa7 (20...Qb5 21.h4+=) 21.e4= de4 22.de4 Rd7 23.Bh3 (23.Bf1 Rcd8=) 23...Rcd8+= 24.Ng5 (24.e5 Qb8+=) 24...e5 (24...Nd4!? 25.Ra2 h6-/+) 25.Qh4+= Rd1 26.Rd1 Rd1 27.Kg2 h6 28.Qg4 Rd8?? (28...Qd4 29.Qc8 Bf8 30.Qb7+=) 29.Nf3?? (better is 29.Nf7!? Kf7 30.Qe6 Kf8 31.Rc3+/–) 29...Nb4 30.Rc8= Rc8 31.Qc8 Kh7? 32.Qd7 Nc6 33.Qf7 Na5?? 34.Ne5 Qb6+– 35.Be6 h5 36.Qg6 Kh8 37.Nf7 Kg8 38.Ne5 Kh8 39.Qh5 Bh6 40.Qh6# 1–0. Hernandez,L – Burschowsky,Matthias, Wch U12 Szeged, 1994.

8.d4 Qb6 9.a3 a5 10.Qb3 Nc6 11.Nc3 ab4 (11...Nd4 12.Nd4 Qd4 13.Nd5+–) 12.0-0 Rd8 (worse is 12...Nd4 13.Nd4 Qd4 14.Nd5+–) 13.e3 Bf5 14.Ne5 Now all is on d5 14...e6 15.Na4 Qb5 16.Nc3 Qb6 17.Na4 Qc7 18.ab4 Ne5 19.de5 Bc2 20.Qc3 Qc3 (20...Ra4?? 21.Qc7 (21.ef6?! Qc3 22.Bc3 Rc8=) 21...Re8 22.ef6+–) 21.Nc3 Ng4 22.Rfc1 Bb3 23.Nb5 Be5 24.Be5 Ne5 25.Bf1 Bc4 26.Ra8 Ra8 27.Bc4 Nc4 28.e4 Ra4 29.ed5 Rb4 30.de6 fe6 31.Nd4 Kf7 32.f4 Kf6 33.Re1 Nd2 (33...Nd2 34.Nc2 Rb6-/+) 0–1. Kropff,Ricardo – Zarnicki,Pablo (2390), Buenos Aires TB 5th, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

8.0-0 a5

9.ba5 Nc6 10.d3 Ra5 11.Nbd2 (11.Qd2 Qb6 12.Bc3 Ra6=) 11...Bf5 (11...Qd6 12.e4 e5 13.d4 ed4 14.Nd4=) 12.Nb3 Ra7 (12...Ra8 13.Qd2=) 13.Qd2 Re8 (13...Qd6 14.Nbd4 Qd7 15.Rfc1=) 14.Nfd4 Nd4 15.Bd4 Ra8 (15...b6 16.Qb4=) 16.Qb2 Qd6? (16...Bg4 17.h3 Bc8 18.Rfb1+=) 17.Be5 (17.e4 e5 18.Bc5+– (18.ef5?! ed4 19.fg6 hg6+=)) 17...Qa3+= 18.Rfb1 Rec8 (18...Qb2 19.Rb2 Rec8 20.Nd4+/–) 19.Nd4 Qb2 20.Rb2 Bd7 (20...Ra7 21.Nf5 gf5 22.Bd4+/–) 21.f4 (21.Rb7!? e6 22.h3+–) 21...Bc6 (21...Ra7 22.Rab1+=) 22.Rc1 (22.Nc6 bc6 23.a4 Ra5+/–) 22...e6 23.Rbc2 (23.Nc6 Rc6 24.Rc6 bc6=) 23...Ng4= 24.Bg7 Kg7 25.Bh3 (25.Bf3 Ne3 26.Rb2 Ra4=) 25...Ne3 26.Rd2 (26.Rb2 Ra4 27.Kf2 Rd4 28.Ke3 Ra4=) 26...Ra4 (26...Ba4 27.Rb1 b5 28.Kf2=) 27.Nb3 (27.Nf3 Rca8 28.Kf2 Nf5=) 27...Rca8 (27...h5 28.Kf2 Ng4 29.Bg4 hg4 30.Nc5=) 28.Kf2 Nf5 29.Bf5 gf5 30.Rcc2 d4 31.Rb2 (31.e3 de3 32.Ke3 Bd5=) 31...Bd5 (31...b6 32.Na1 Bd5 33.Nc2=) 32.Nc5 R4a7 (32...Ra2 33.Ra2 Ba2 34.Nb7=) 33.Rb4 (33.e4 de3 34.Ke3 Rc8=) 33...Ra2 (33...Kg6 A) worse is 34.Rd4 b6 (34...Ra2?! 35.Ra2 Ra2 36.Rb4+=; 34...Ba2 35.Rb2+/–) 35.Ne6 fe6-/+; B) 34.a4=) 34.Ra2+= Ra2 (worse is 34...Ba2 35.Rb7 Rd8 36.Rb2+/–) 35.Nb7 Ra1 (35...Bc6 36.Nd6 Ba4 37.Nb5 Bb5 38.Rb5=) 36.Nd6+= Rh1 37.Rd4 (37.h4 Rh2 38.Ke1 Rh1 39.Kd2 Rh2=) 37...Rh2= 38.Ke1 Kg6 (38...Bh1 39.Rc4 Rg2 40.Rc7 Rg3 41.Rf7 Kg8 42.Re7+=) 39.e4+= fe4 40.de4 Ba2 41.Rd2 Rd2 42.Kd2 e5 (42...f6 43.Kd3+=) 43.Ke3 (43.fe5!? Be6 44.Ne8+/–) 43...ef4 44.gf4 (44.Kf4 h5+=) 44...h5 (44...Kh5 45.Nf5=) 45.Nf5 (45.Kf3 Kf6=) 45...Bb3 (45...Kf6 46.Nh4=) 46.Nh4 Kf6 47.Kd4 Bc2 48.Kd5 Ke7 49.Ke5 Bd1 50.Kd4 Ke6 51.Ke3 Bc2 52.Nf5 Bd1 53.Kf2 Kf6 54.Ne3 Bb3 (54...Ba4 55.e5 Ke6 56.Kg3=) 55.Kg3 Kg6 (55...Ba2 56.Nf5=) 56.Kh4 Ba4 (56...Ba2 57.e5=) 57.Kg3 (57.Nd5 Bc2 58.f5 Kh6=) 57...Bc6 (57...Bb3 58.Nd5=) 58.Kf3 (58.Nd5 Bb7=) 58...h4 59.Kg4 Be4 60.Kh4 f5 ½–½. Mrkonjic,Nenad (2360) – Kukic,L (2010), 22. Bosnjaci Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a5)

9.b5 Qb6 10.Nc3 a4=.

9.b5 Nbd7 10.Na3 Re8 11.Rc1 e5 12.Qc2 d4 (12...Bf8 13.d3=) 13.e3 (13.Nc4 Nb6 14.Nfe5 Bf5+/-) 13...d3 (13...Nd5 14.Nc4 N7b6 15.Nb6 Nb6 16.ed4 ed4 17.Qc7=) 14.Qb1+= (14.Qd3? e4 15.Qe2 ef3 16.Bf3 Nb6-+) 14...e4 15.Nd4 Ne5 16.Nc4 (better 16.f3+/-) 16...Bg4?? (better 16...Nc4 17.Rc4 Bg4+=) 17.Ne5+- Re5 18.Nc6 bc6 19.Be5 cb5 20.Qb5 Bf3 (20...a4 21.f3 Ra5 22.Qb7+-) 21.Qc6 Bg2 (21...Be2 22.Rfe1+-) 22.Kg2 Nd5 23.Bg7 (better 23.Bd6!? Nb4 24.Qe4 Ra7+-) 23...Kg7 24.Rc4 Ra7 (24...Nf6+-) 25.Re4 Rc7 (25...Nb4 26.Qc5 Rd7 27.a3+-) 26.Qb5 Qa8 27.f3 Rc2 28.Rf2 Nb4 (28...Nf6 29.Ra4+-) 29.Re8 (better 29.Qe5 Kg8 30.a3+-) 29...Qa7 (29...Qd5 30.Qb8 Nc6 31.Rg8 Kf6 32.Qf4 Ke7+-) 30.Qe5 Kh6 31.Rg8 Rc5 (31...Rc4 32.Qg7 Kh5 33.h4 h6 34.Qe5 f5 35.g4 Rg4 36.fg4 Kh4 37.Qg3 Kg5 38.Rf5) 32.Qf4 Kh5 (32...Rg5 33.h4 Qe7 34.Kh1 Kh5 35.hg5 Qg5 36.Rh2 Qh4 37.Rh4) 33.Qh4 1-0. Guichard,P (2405) - Paramzina,A (2220), World Blitz Women, 2019. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 c6 5.g3 d5 6.cd5 cd5 7.Bg2 0-0 8.0-0)

9.b5 Nbd7 10.d3 a4 11.Na3 Re8 12.Qc2 e5 13.e4 d4 14.Nc4 Bf8 15.Ba3 (15.Rac1 a3 16.Ba1 Ng4=) 15...Ba3 16.Na3 Nb6 17.Rfc1 Bg4 18.h3 (18.Qc7 Re7 19.Qd8 Rd8=) 18...Rc8 19.Qb2 Bf3 20.Bf3 Qd6 21.Kg2 h5 22.Rab1 Nfd7 23.Be2 Nf8 24.Bd1 Ne6 25.Be2 Red8 26.Kh2 Kg7 27.h4 Qe7 28.Kg2 Rh8 0-1. Colorado Morales,Francisco (2000) - Ippolito,D (2365), Charlotte Spring Classic, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

9.b5 Ne4 10.Bg7 Kg7 11.d3 Nc5 12.Qc2 b6 13.Nbd2 Bb7 14.Nb3 Nbd7 15.Rfc1 Rc8 16.Qb2 Kg8 17.Nc5 Nc5 18.h4 f6 19.Bh3 Rc7 20.h5 Bc8 21.Bc8 Qc8 22.hg6 hg6 23.Kg2 e5 24.d4 Ne4 25.Rc7 Qc7 26.Rc1 Qe7 27.Rc6 Nd6 28.de5 fe5 29.Ne5 1–0. Hellmayr,Alois (2230) – Richter,Moritz (2560), OIBM2000 – Bank Hofmann (Bad Wiessee) (9), 2000.

9.b5 a4

10.Na3 Qd6 11.Rc1 Bg4=.

10.Na3 Qd6 11.Nc2 Ne4 (11...a3 12.Bc3=) 12.Rb1 (12.Bg7 Kg7 13.Ne3 Be6=) 12...Nd7 (12...Bb2 13.Rb2 Be6 14.d3=) 13.Bg7 (13.Ba3!? Qe6 14.Qe1+=) 13...Kg7+= 14.Rb4 (14.Qe1 Ne5=) 14...Nef6 (14...Ndf6 15.d3 Nc3 16.Qd2+=) 15.a3 (15.Qa1 e5=) 15...e5 (15...Nc5 16.Qa1+=) 16.Nfe1 (16.Nh4 Re8=) 16...Re8 Black plans e4 (16...Nb6 17.Nd3+=) 17.f4 (17.Ne3 Nb6 18.f4 Nc4=) 17...e4 18.Qa1 (18.Ne3 Nc5 19.N1c2 Be6+=) 18...Nc5 19.Nd4 Nb3 20.Qb2 (20.Nb3 ab3 21.Rb3 Bg4+=) 20...Qc5 (20...Nd4 21.Qd4 Bg4 22.e3-/+) 21.e3 Nd4 22.ed4 Qd6 (22...Qc7 23.Nc2-/+) 23.Nc2+= h5 24.h3 (24.h4 Be6+=) 24...Rh8 (24...Bd7 25.Ne3-/+) 25.Ne3+= h4 (25...Bd7 26.h4+=) 26.g4 Bg4 (26...Bd7 27.Qa2 Ra5 28.g5+=) 27.Ng4 (27.hg4 h3 28.Bh1 Qd7+=) 27...Ng4 28.hg4 h3 29.Be4 Rh4?? (29...de4 30.d5 f6+=) 30.Bf3+/– Qf4 31.d3 h2 32.Kh1 Rg4 33.Bg2 (33.Qh2?? Qh2 34.Kh2 Rh8; 33.Bg4 Qf1 34.Kh2 Rh8 35.Kg3 Rh1–+) 33...Qg5 (33...Qd6 34.Qf2 f6 35.Qf3+/–) 34.Qf2 Rf8 (34...f5 35.Qe2+/–) 35.b6 (35.Qf3!? f5 36.Qd5 Re8 37.Qb7 Re7+–) 35...f5+/– 36.Qe2 Kh6 37.Rb2 (37.Ra4 f4 38.Rf3 Rh4+–) 37...Rd4 38.Qe5 Qf6 (38...Rg4+–) 39.Qe3+= (worse is 39.Qh2 Rh4 40.Bh3 Kg7+=) 39...f4? (better is 39...Kg7!?+=) 40.Qh3+– Kg7 41.Re2 Qg5?? (better is 41...Rf7+/–) 42.Rfe1+– Rf7?? (42...Qh5 43.Qd7 Kh6+–) 43.Re8 Qh5 44.Qc8 Qf5 (44...Qh7 45.R1e7 Kh6 46.Rc7+–) 45.Rg8 (45.Kh2?! Qc8 (45...Rd3?? 46.Rg8 Kh6 47.Rh8 Kg5 48.Qd8 Rf6 49.Rhe8+–; 45...Qd3 46.Rg8 Kh7 47.Rh8 Kg7 48.Qg8 Kf6 49.Rh3+–) 46.Rc8 Rd3+=) 45...Kh6 46.Rh8 (46.Kh2?! Qc8 (46...Rd3?? 47.Rh8 Kg5 48.Qd8 Rf6 49.Rhe8+–; 46...Qd3 47.Rh8 Kg7 48.Qg8 Kf6 49.Rh3 Qh3 50.Kh3 Rd3 51.Kg4 Re3 52.Re3 fe3 53.Bd5 Rh7 54.Ba2 Rh4 55.Kh4 Ke7 56.Qe6 Kd8 57.Bc4 g5 58.Kg5 e2 59.Bb5 e1Q 60.Qd7) 47.Rc8 Rf6=) 46...Kg5 47.Qd8 (47.Kh2?! Qc8 (47...Rd3?? 48.Qd8 Rf6 49.Rhe8+–) 48.Rc8 Rd3=) 47...Rf6 48.Bh3 (48.Bh3 Rd3 49.Bf5 Re3 50.Re3 fe3 51.Rf8 e2 52.Qf6 Kf4 53.Bg6 Kg3 54.Qf4 Kh3 55.Rh8) 1–0. Salgado Lopez,Ivan (2625) – Baklan,Vladimir (2600), TCh–ESP Div Honor, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

10.Na3 Qd6 11.d3 Bg4 12.Rb1 (12.Rc1 Nbd7=) 12...Nfd7 (12...Rc8 13.Rc1=) 13.Qd2 Nb6 14.Bg7 Kg7 15.Qb2 f6 16.Rfc1 N8d7 17.Qb4 (17.Nc2!?=) 17...Qb4+= 18.Rb4 Bf3 (18...Rac8 19.Rc8 Rc8 20.Rg4+=) 19.Bf3= Rfc8 20.Rbb1 f5 21.d4 e6 22.e3 Nf6 23.Rc5 Kf7 24.Rbc1 Ke7 25.Kf1 g5 26.Ke1 (26.h3 Ne4 27.Be4 fe4=) 26...g4 (26...Rc5 27.Rc5 Kd6 28.Rc1=) 27.Bg2 Nfd7 28.Rc8 Nc8 29.Kd2 Nd6 30.Rc2 Kd8 31.Kc3 Nb6 32.Kb4 Kd7 33.Bf1 Ne4 34.Bd3 Ng5 35.Rc1 (35.Be2 Kd6=) 35...Kd6 (35...Ne4 36.Be4 fe4 37.Rc2=) 36.h4 (36.Be2!?=) 36...gh3+= 37.Rh1 h6 38.f4 Ne4 39.Be4 (39.Rh3? Nf2 40.Bf5 Nh3 (40...ef5?! 41.Rh6 Kc7 42.Rh7 Kb8 43.Rh5-/+) 41.Bh3 Rc8–+) 39...de4 (39...fe4?! 40.Rh3 Rg8 41.Ka5+=) 40.Nc4 (40.Kc3 Nd5 41.Kd2 Rc8+=) 40...Nc4-/+ 41.Kc4 Rc8 42.Kb4 Kd5 (42...Rc2 43.Rh3 Ra2 44.Rh6-/+) 43.Rh3+= b6 44.Rh6 (44.g4 fg4 45.Rh5 Kd6 46.Rh6 Rg8+=) 44...Rc4 45.Ka3 Rc3 46.Kb4 Re3 47.Rh7 Kd6 48.Rb7 (48.d5 Rg3 49.de6 e3+=) 48...Re2 49.Rb6 Kd5 50.Ka4?? (50.Rb8 e3 51.Rd8 (51.Ka4 Ra2 52.Kb3 e2 53.Rd8 Ke4–+) 51...Ke4 52.Re8+= (52.Ka4 Ra2 53.Kb3 e2–+)) 50...Ra2 51.Kb3 Ra1?? (better is 51...e3 52.Rb7 e2 53.Rd7 Ke4–+) 52.Rc6 (52.Ra6 Rb1 53.Kc3 Rb5=) 52...Rb1 (52...e3 53.Rc2 Ke4–+) 53.Ka4?? (better is 53.Kc3=) 53...e3–+ 54.Rc5 (54.Rc2 Kd4 55.Rh2 Kd3–+) 54...Kd4 55.Re5 Kd3 0–1. Van Mechelen,Jan (2195) – Ponizil,Cyril (2425), Brasschaat BEL, Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a5)

10.Na3 Nbd7 11.Qc2 Nb6 12.d3 Bg4 13.Qd2 Qd6 14.Ne5 Bf5 15.Nc2 Rfc8 (15...Nfd7 16.Nd7 Bd7 17.Ba3=) 16.Ne3= Bd7 17.Rab1 Rc7 (17...a3!? 18.Bd4 Ra4 19.Bb6 Qe5+=) 18.Bd4+= Be6 19.Qb4 Rd8? (19...Nfd7 20.Nd7 Nd7 21.Qd6 ed6 22.Bg7 Kg7 23.Nd5 (worse is 23.Bd5 Bd5 24.Nd5 Rc2=) 23...Bd5 24.Bd5+=) 20.Qd6 21.Rfc1 Ne8 22.f4 Nd7 23.b6 Rc1 24.Rc1 Nb6 25.Bc5 Be5+= 26.fe5 Rc6 27.d4 Nc7? 28.Rb1+/– Nc8 29.Rb7 Kf8 30.Bb4 Rb6+/– 31.Be7! Ke8 32.Rb6+– Nb6 33.Bc5 Nc4 34.Kf2 Nd2? 35.Bb6 Na8 36.Ba5 Ne4 37.Be4 de4 38.d5 (38.d5 Bh3 39.g4+–) 1–0. Markos,J (2540) – Cernousek,L (2425), Banska Stiavnica SVK, Open Ch, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

10.Na3 Nbd7 11.Qc2 Re8 12.Ne5 Nb6 (12...Ne5 13.Be5 Bf5 14.d3=+) 13.Rac1 Bf5 14.Qc7 Ng4 15.d4 Rb8 16.h3 Nf6 (16...Ne5 17.de5 Nc4 18.Qd8 Red8 19.Nc4 dc4 20.Rc4+=) 17.Qd8+= Red8 18.g4 Be6 19.Bc3 Rdc8 20.Bb4 Rc1 21.Rc1 Rc8 22.Rc8 Nc8 23.Nd3 Nd7 24.e3 g5 25.Bf3 (25.Nb1 h5+–) 25...Kf8 26.Bd1 (26.Nb1 Ncb6+–) 26...f5+= 27.Kg2 Ncb6 28.Nc5 Nc5 29.Bc5 Nd7 30.Bb4 Ke8 31.Nb1 fg4 32.hg4 (32.Ba4 gh3 33.Kh1 Bf5–+; 32.Bg4?! Bg4 33.hg4 e5=) 32...Nb6 33.Nc3 Nc4 34.Na4 Bd7 35.Nc5 e5 36.Nd7 Kd7 37.de5 Ne5 38.Bc3 Ke6 39.Bc2 Bf6 40.Bf5 Ke7 41.Kg3 h6 42.Bb4 Ke8 43.a4 b6 44.a5 ba5 45.Ba5 Nc4 46.Bc7 Bd8 47.Bd8 Kd8 48.Be6 Nb6 49.f4 Ke7 50.f5 Kd6 51.Kf3 Nc4 52.Bg8 (better 52.Kf2!?+–) 52...Ne5 53.Kg3 Nd7 54.e4 de4 55.Bc4 Ke5 56.Kf2 Nb6 (56...Nf6 57.Be2+=) 57.Be6+– Na4 58.Ke3 Nb6 59.Bb3 Nd7 60.Bc2 Attacks the isolani on e4 60...Nf6 61.Bd1 Nd5 62.Kd2 Kd6 63.Bb3 (63.Ke1!?+=) 63...Nf6= 64.Bd1 Nd5 65.Bb3 (65.Ke1 Ke5+=) 65...Nf6= 66.Bd1 Nd5 67.Bb3 (67.Ke1 Ke5+=) 67…Nf6= ½–½. Moreto Quintana,A (2155) – Valmana Canto,J (2320), 4th Sueca Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a5 9.b5 a4)

10.Na3 Ne8 11.Bg7 (11.Qc2 Nd7+=) 11...Ng7 12.Qc2 (12.Nb1 Nd7+=) 12...Qd6= 13.Qb2 Nd7 (13...Be6 14.Nc2=) 14.Rac1 Nb6 (14...Nf6 15.d3 Rd8 16.Rc2=) 15.Nc2 (15.d3 Bf5=) 15...Bd7 16.Ne3 (16.Qe5 Ne6= (worse is 16...Bb5 17.Qd6 ed6 18.Rb1 Be2 19.Rb6+–)) 16...Rfc8 (16...Ne6 17.Qe5+=) 17.d3 (17.Qe5 Ne6+=) 17...Ne8 (17...Ne6!?+=) 18.Nd4 Rc1 19.Rc1 Rc8 (19...Nc7 20.Nec2=) 20.Rc8= Bc8 21.Ndc2 (21.f4 Bd7=) 21...Nc7 22.d4 Bd7 23.Na3 e6 (23...f6 24.f4=) 24.Ng4 h5 (24...Kf8 25.Qc1=) 25.Ne5 (25.Nf6 Kg7 26.e4 Ne8+=) 25...Be8 (25...Kg7 26.e3=) 26.e3+= Kg7 27.Bf1 f6 28.Nd3 Nc4 29.Nc4 dc4 30.Nc5 b6? (30...Bb5 31.Nb7 Qc6 32.Nc5+=) 31.Na4 (better is 31.Ne4 Qe7 32.Bc4+–) 31...Bb5= 32.Nc3 Ba6 33.Bg2 (33.Ne4 Qc6 34.Qa3 Qe4 35.Qe7 Kh6 36.Qf8 Kh7 37.Qe7 Kh6 38.Qf8 Kh7 39.Qe7 Kh6=) 33...Nd5 34.Bd5 (34.a4 Nc3 35.Qc3 e5=) 34...ed5 35.a3 Kf7 (35...Qe6 36.Qb4=) 36.f3 g5 (36...Bc8 37.Kf2=) 37.Qb1 Kg7 38.Qb4 Qb4 (38...Qe6 39.Kf2=) 39.ab4 Bb7 (better is 39...Kf7!?=) 40.Kf2+/– Kf7 (40...f5 41.Ke2+/–) 41.b5 Ke6 (41...Bc8 42.Nd5 Bd7 43.Nb6 Bb5 44.Ke2+–) 42.Na4 Bc8 (42...Kd7 43.Nb6 Kc7 44.Na4+/–) 43.Nb6 Bd7?? (better is 43...Bb7+/–) 44.Nd7+– Kd7 45.e4 de4 (45...Kd6 46.ed5 f5+–) 46.fe4 Kc7 (46...Ke7 47.Ke3+–) 47.d5 Kb6 (47...c3 48.Ke3 c2+–) 48.d6 1–0. Janzelj,Tim (2390) – Zimmermann,Luc (2145), 28. Czech Open A, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

10.Na3 Bg4 11.d3 Qd6 12.Rc1=.

10.Na3 Bg4 11.d3 Nbd7 12.Qd2 Bf3 13.Bf3 e6 14.Rfc1 Qa5 15.Qa5 Ra5 16.Rc7 (16.Rab1 Ne8+=) 16...Ne8= 17.Bg7 (17.Rd7? Bb2 18.Rb1 Ba3 19.Rb7 Nd6–+) 17...Nc7 18.Bf8 Kf8 (worse is 18...Nf8 19.Rc1 Ne8 20.e4+/–) 19.Rb1 Ke7 20.e3 Nb6 21.h4 Ne8 22.Kf1 Ra8 23.Ke1 (23.Rc1 Nd6=) 23...Rc8+= 24.Kd2 Kd6 25.Rb4 f5 26.Bd1 e5 27.Nb1 (27.Ba4? Ra8–+ (27...Na4 28.Ra4 Kc5 29.d4 ed4 30.ed4 Kb6 31.Rb4=)) 27...Kc5 28.Rb2 Nd6 29.f4 Ndc4 30.dc4 Nc4 31.Kc1 Nb2 32.Kb2 ef4 33.ef4 Kb5 34.Nc3 Kc4 35.Na4 Kd4 36.h5 (36.Nb6 Rd8+=) 36...Rc6 37.hg6 hg6 38.Kb3 (38.Be2!?+=) 38...b5-/+ 39.Nb2 Rc3 40.Kb4 Rg3 41.Kb5 (41.Bb3!?-/+) 41...Rg2–+ 42.Na4 Ra2 43.Nb6 Rf2 44.Kc6 Rf4 45.Nd5 Rf1 46.Be2 Rf2 (46...Re1 47.Bf3–+) 47.Ba6 (47.Bd1 g5 48.Ne7 Ke5 49.Ng6 Kf6–+) 47...g5 48.Ne7 g4 49.Bc8 (49.Kd6–+) 49...g3 0–1. Warner,Delisle (2140) – Del Castilho,Martyn (2235), Sub–Zonal, 2016. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5 7.cd5 cd5 8.0-0 a5 9.b5 a4)

10.Na3 Bg4 11.d3 Bf3 12.Bf3+= Nbd7 (12...Qd6 13.Nc2=) 13.e4 Nb6 (13...de4 14.de4 Nc5 15.e5+=) 14.Qe2 (14.e5 Nfd7 15.d4 Bh6+=) 14...e6 15.Rac1 (15.Rfc1 Nfd7+=) 15...Nfd7 16.ed5 (16.d4 Bh6 17.Rc2 Rc8+=) 16...Nd5 (16...Bb2 17.Qb2 Nd5 18.d4+=) 17.Bd5 (17.Bg7 Kg7 18.Nc4 N7f6+=) 17...ed5= 18.Bg7 Kg7 19.Qb2 Nf6 20.Qd4 (20.b6 Rc8+=) 20...Re8 21.Rc5 (21.Nc2 Re2=) 21...Rc8 22.Rc8 Qc8 23.Nb1 Qg4 24.Qg4 (24.f4 Qe6 25.Nc3 a3=) 24...Ng4+= 25.Nc3 (25.h3 Ne5 26.Nc3 Nd3=) 25...d4 (25...a3 26.d4=) 26.Na4= Ra8 (26...Rc8 27.Nb6 Rc2 28.a4=) 27.Nc5 Ra2 28.Nb7 Rb2 29.Nd6 Kf6 30.Ne4 (30.f4 Ne3 (30...Rh2?? 31.Rb1 Ra2 32.b6+–) 31.Ra1 Rg2 32.Kh1 Rb2=) 30...Kg7 (30...Ke7 31.Ra1=) 31.Nd6 (31.h3 Ne5=) 31...Kf6 32.Ne4 Kg7 33.Nd6 ½–½. Medak,Bojan (2395) – Sinanovic,Muhamed (2375), 26. TCh–CRO Div 1b, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a5 9.b5 a4)

10.Na3 Bg4 11.Ne5 Bf5 12.d3 Nbd7 13.Rb1 Ne5 14.Be5 Qd7 15.Qd2 (15.Rc1 Rfc8=) 15...Bh3 16.Rfc1 Bg2 17.Kg2 Rfc8 18.b6 (18.Rc8 Qc8 19.Qc1 Qf5 20.Bf6 Bf6=) 18...d4 (18...Qe6 19.Bd4=+) 19.Bf6= Bf6 20.Rc8 Rc8 21.Nc4 h5 22.Qf4 h4 23.g4 Rc5 24.h3 Kg7 25.Qf3 Bg5 26.Rb4 f5 27.gf5 Rf5 28.Qe4 Bf6 29.Nd2?? (better 29.a3=) 29…Rg5-+ (29...Rg5 30.Kh2 Qd6 31.f4 Rf5 (31...Qb4?! 32.fg5 Bg5 33.Nc4-/+) 32.Rd4 Qd4 33.Qd4 Bd4-+) 0-1. Arencibia Rodriguez,W (2485) - Adnani,M (2425), UAE National Day GM Stars blitz, 2020. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5)

10.Bd4 Qa5 11.Nc3 Nbd7 12.Rb1 (12.Rc1 Re8 13.Ne5 Ne5 14.Be5 Be6=) 12...Re8 13.Ne5 Ne5 14.Be5 e6 (14...Rd8 15.Bf6 Bf6 16.Nd5=) 15.e3 (15.a3 Nd7 16.Bg7 Kg7+/–) 15...Bd7 (15...Nd7 16.Bg7 Kg7 17.Qe2+=) 16.Qe2 (16.a3 Rec8+=) 16...Rec8 (16...Rac8 17.Rfc1=) 17.Rfc1 (17.a3 Qb6=) 17...Ne8 18.Bg7 Kg7 19.Qd3 (19.Bf1 Rc5=) 19...Qb6 20.Rb4 Nd6 b5 seems the pivot of the position 21.Rcb1 a3 (21...Rc4 22.a3 Qc5 23.Bf1=) 22.h4 (22.e4!?+=) 22...Be8 (22...Rc4 23.Rc4 Nc4 24.Ne4+=) 23.R1b3 (23.Na4 Qa7 24.Nc3 Qb6=) 23...Rc4 24.Qb1 Qc5 (24...Rb4 25.Rb4 Nc4 26.Qc1=) 25.Bf1 (25.Rc4 Nc4 26.Qc1 Rc8=) 25...Rb4 (25...f6 26.d4 Qc7 27.Rc4 (27.Bc4? dc4 28.e4 cb3 29.Rb3 Nc4–+) 27...dc4 28.Rb4=) 26.Rb4= b6 (26...f6 27.Qb3=) 27.Na4 Qc7 28.Qa1 (28.Bd3 Rc8 29.Nc3 Ra8=) 28...Kg8 (28...f6 29.Qd4=) 29.Qd4 Ra5 30.Nc3 (30.Qb6 Qb6 31.Nb6 Kg7=) 30...Qc5 Increases the pressure on b5 31.Qf4 (31.Bd3 e5 32.Qe5 Qb4 33.Nd5 Qc5=) 31...Bb5 (31...Nc4 32.Rc4 dc4 33.Qb8+=) 32.Bb5 Nb5 33.Qb8 Kg7 34.Qe5?? (better is 34.Rb5 Rb5 35.Nb5 Qb5 36.Qe5 Kh6 37.Qg5 Kg7 38.Qe5 Kf8 39.Qb8 Ke7 40.Qc7 Ke8 41.Qc8 Ke7 42.Qc7 Kf6 43.Qf4 Kg7 44.Qe5=) 34...f6–+ 35.Qe6 Qb4 36.Nd5?? (36.Qb6 Kh6 37.Nd5 Qb1 38.Kh2–+) 36...Qd6 37.Qe4 Nc7 38.Nf4 (38.Nc3 Rc5–+) 38...Re5 (better is 38...Rc5 39.d4 Rc1 40.Kg2–+) 39.Qc4 (39.Qa4 Rb5 40.d4 g5 41.hg5 fg5 42.Nh5 Kh6–+) 39...Qc5 (39...Rc5!? 40.Qe4 Rc1 41.Kh2–+) 40.Qa4 (40.Qd3 Nd5 41.Ne2 Ne7–+) 40...Qc1 41.Kg2 Qd2 42.Qa3 (42.Qa7 Qd6 43.Kg1 Re4–+) 42...Nd5 43.Kf3 (43.Qa7 Re7 44.Qa3 Ne3 45.Kh3 Nf5–+) 43...Qd1 44.Kg2 Nf4 45.ef4 Qd5 46.Kh2 (46.Qf3 Qf3 47.Kf3–+) 46...Re2 (46...Re1 47.Qe7 Re7 48.f5 Re1 49.f3 Qf3 50.fg6 Rh1) 47.Qa7 Qf7 (47...Kh6 48.Qb6 Re1 49.f3 Qa2 50.Qb2 Qb2 51.Kh3 Rh1 52.Kg4 f5) 48.Qb6 (48.Qf7 Kf7 49.Kg2 Ra2–+) 48...Ra2 (48...Qd5 49.Qa7 Kh6 50.Qe3 Re3 51.fe3 Kh5 52.e4 Qe4 53.Kg1 Qe1 54.Kg2 Kg4 55.h5 Qg3 56.Kh1 Kf3 57.hg6 Qg2) 49.Qe3 (49.g4 Qa7 50.Qa7 Ra7–+) 49...Qa7 (49...Qa7 50.Qa7 Ra7–+) 0–1. Heimann,Alexander C (2270) – Nagle,Sean (2420), PRO League Group Stage, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a5 9.b5 a4)

10.Bd4 Qd6 11.Be5 Qc5 12.Bd4 Qb5 13.Nc3+=.

8.0-0 a6

9.a4 Qb6 10.Qb3 Nc6 11.b5 Na5 12.Qb4 Nc6 13.Qb3 Na5N 14.Qd1 (14.Qb4 ab5 15.d3 Nc6 16.Qb5 Qc7=) 14...ab5 (14...Bg4 15.d3+=) 15.Bd4 Qa6 (15...Qd6!? 16.Be5 Qe6 17.ab5 Bd7=) 16.ab5= Qb5 17.Nc3 Qa6 18.Qb1 Bf5 19.d3 Qd6 20.e4 de4 21.de4 Ne4? (better is 21...Nc6 22.Ra8 Ra8 23.Bf6 Qf6 (worse is 23...Bf6 24.Nb5 Be4 25.Qe4+/–) 24.ef5 Qc3 25.Qb7 Rb8=) 22.Ne4+– Qd5 (22...Be4 23.Qe4 Bd4 24.Nd4+–) 23.Bg7 Be4 24.Qb2 Rfd8 (24...Rfe8 25.Bh6 f6 26.Qe2+–) 25.Bh6 f6 26.Ne1 (better is 26.Qa3 Qd6 27.Rfe1 Qa3 28.Ra3+–) 26...Nc4+/– 27.Be4 Qe4 (27...Nb2?? 28.Bd5 Kh8 29.Ra8 Ra8 30.Nf3+–) 28.Qc2 (28.Ra8 Ra8 (28...Nb2? 29.Rd8 Kf7 30.h4+–) 29.Qb3 Ra3+/–) 28...Qd5 (28...Qc2!? 29.Nc2 Ra1 30.Ra1 g5+/–) 29.Ra8 Ra8 30.Bf4 (30.Nd3!?+/–) 30...g5 31.Bc1 Ne5 (31...b5 32.Nd3+/–) 32.Bb2 Nc4 33.Bc1 Rd8 (better is 33...Ne5!?=) 34.Qe2 (34.Ng2 Ne5+/–) 34...Rd7 35.Qf3 (35.Nc2 b5+/–) 35...Qd6 (35...Qf3 36.Nf3 Rd3 37.Ne1+=) 36.Qe4 (36.h4 h6+/–) 36...b5 37.Ng2 e6 (37...Qd5!? 38.Qe2 b4+/–) 38.Ne3+– Ne5? (38...Ne3 39.Be3 Qd5 40.Qg4+–) 39.Ng4 (better is 39.Bb2!? Rf7+–) 39...Ng4 40.Qg4 b4 (40...Kg7 41.Be3+–) 41.Be3 b3 42.Qc4 (42.Rb1 Qd5 43.Qb4 Rb7+–) 42...Qd5 (42...Qd3 43.Qe6 Kg7 44.Bc1+–) 43.Qd5 (43.Qc3 e5 44.Rb1 Rb7+–) 43...Rd5 (better is 43...ed5!? 44.Bd4 Kf7+/–) 44.Rb1+– Rd3 (44...Rb5 45.h3+–) 45.Kf1 e5 46.Ke2 e4 47.Rd1 Rc3 48.Bd4 Rf3 49.Be3 Rf5 50.Rd8 Kf7 51.Rb8 Ra5 52.Rb3 Ra2 53.Kf1 g4 (53...Ra6 54.Rb4+–) 54.Rb4 Ra1 55.Kg2 f5 56.Rb7 Kg6 57.Rb6 Kg7 (57...Kf7+–) 58.Bd4 (58.Bd4 Kf7 59.Rf6 Kg7 60.Rf5 Kg6 61.Rf6 Kg7 62.Rf4 Kg6 63.Ba1+–) 1–0. Moehn,Hans (2245) – Baskin,Robert (2150), Hannover GER, County Ch, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a6)

9.a4 Nc6 10.Qb3 Bf5 11.d3 Re8 12.Nbd2 e5 13.b5 ab5 14.ab5 Ra1 (better 14...Na5!? 15.Qb4 d4=) 15.Ra1+/- Na5 (15...Nd4 16.Nd4 ed4 17.Nf3+/-) 16.Qb4 b6 (16...e4 17.Ra5 ef3 18.Bf3+/-) 17.Be5 Qc8 18.Kf1 (18.Qd4 Qe6+-) 18...Bh3 19.Qb2 Nh5 (19...Qe6 20.Bh3 Qh3 21.Kg1+/-) 20.Bg7+- Ng7 21.Rc1 Qd7 22.Nd4 Bg2 23.Kg2 Nf5 24.Nf5 Qf5 25.Nf3 Qe6 26.e3 Qf5 27.d4 (better 27.Qc3!?+-) 27...Nc4+/- 28.Qb4 h5 (28...Qd3 29.Re1+=) 29.Rc4 (better 29.Nd2!? Nd2 30.Qd2+/-) 29...dc4= 30.Qc4 Qe4 (better 30...Rc8!? 31.Qa4 Rc1=) 31.Qc6+/- Re6 32.Qe4 Re4 33.Ne5 Kf8?? (better 33...g5+/-) 34.Kf3+- Re5 (34...f5 35.Ke2 g5+-) 35.de5 Ke7 36.Ke4 Ke6 37.f4 (37.f4 Kd7 38.Kd5+-) 1-0. Spiritchaser84 (2270) - glvk (2030), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

9.a4 Nc6 10.b5 ab5 (10...Na5 11.Na3 (11.Bd4 Bf5 12.Nc3 Qd6 13.Nh4 Be6 14.Rb1 Rfc8=; 11.d3 Bg4 12.Bd4 Qd6 13.Nbd2 Rfc8 14.Rc1 Rc1=; 11.ba6 Ra6 12.d3 Nc6 13.Qd2 Bd7 14.Rc1 Re8=; 11.Bc3 Bf5 12.d3 Qb6 13.Bd4 Qd6 14.Nc3 Rfc8=; 11.Ne5 Bf5 12.Ra3 Qd6 13.ba6 ba6 14.d3 Rab8+=) 11...Bf5 12.d3 Rc8 13.Rb1 ab5 14.Nb5 Nc6=; 10...Qb6 11.Ra3 (11.Na3 Nb4 12.Rb1 a5 13.Bd4 Qd8 14.Rc1 Bf5=; 11.Bf6 Bf6 12.Nc3 Bc3 13.dc3 ab5 14.Qb3 Ra5=; 11.Nc3 ab5 12.ab5 Na5 13.Ne5 d4 14.Nb1 Ne8=) 11...ab5 12.ab5 Ra3 13.Na3 Nd8 14.Qb3 Qd6=; 10...Nb8 11.Nc3 (11.Na3 ab5 12.ab5 Bf5 13.Nd4 Qd7 14.Nf5 Qf5=; 11.d3 Bg4 12.h3 Bf3 13.Bf3 ab5 14.ab5 Ra1=; 11.h3 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.g4 Bb1=; 11.Re1 Bg4 12.h3 Bf3 13.Bf3 ab5 14.ab5 Ra1=; 11.Qb3 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.Rc1 e6=; 11.Qc2 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.Qb3 Qd7=; 11.Ra3 Bf5 12.Rb3 Qd7 13.d3 Rc8 14.Ne5 Qe6=; 11.Bd4 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.Be5 Qd7=; 11.Be5 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.Be5 Qb6=) 11...ab5 12.ab5 Ra1 13.Qa1 d4 14.Na4 d3=; 10...Na7 11.Qb3 (11.Nc3 d4 12.Nb1 d3 13.Ne5 ab5 14.ab5 Qb6=; 11.Bd4 Bd7 12.Ne5 Ng4 13.Nf7 Rf7 14.Bg7 Kg7=; 11.Bf6 Bf6 12.Nc3 e5 13.d4 e4 14.Ne5 Be6=; 11.d3 Bd7 12.ba6 ba6 13.Ne5 Nc6 14.Nc6 Bc6=; 11.Na3 Bd7 12.Qb3 ab5 13.ab5 Qe8 14.b6 Nc6=; 11.Ne5 Bf5 12.ba6 ba6 13.Bd4 Nd7 14.Nf7 Rf7-/+; 11.ba6 ba6 12.Na3 Bf5 13.d3 Qa5 14.Nc2 Rfc8=) 11...Bf5 12.Bd4 Qd6 13.Nc3 Rfe8 14.Nh4 Be6+=; 10...Nb4 11.Qb3 (11.Nc3 d4 12.Na2 Na2 13.Ra2 d3 14.Ra3 Bf5=; 11.Bc3 Qd6 12.Qb3 a5 13.Be5 Qb6 14.Nc3 Bg4=) 11...a5 12.Bc3 Qd6 13.Be5 Qe6 14.d4 Bd7=) 11.ab5 Ra1 12.Ba1 Na5 (12...Nb8 13.Bd4 Bf5 14.Nc3 Qd6=) 13.Qa4 (13.Bd4 Bf5 14.Nc3 Qd6=) 13...b6 (13...Bf5 14.d3 h6=) 14.Rc1 (14.d3 Bf5=) 14...Bf5 15.d3 Qd6 16.Be5 Qd7 17.Rc7 Qe6 18.Qa3 Re8 19.Nc3 Nd7? (better is 19...Bg4+=) 20.Bg7+– Kg7 21.Nd4 Qf6 22.Qb4 Nc5 23.Nd5 Qg5 (23...Qe5 24.Ra7 (24.Nf5?! gf5 25.Qd2 Ne6+–) 24...Nd7 25.f4+–) 24.Qc3 e5 25.Nf3 Qd8 26.Ne5 Be6 (26...Na4 27.Nf7 Nc3 28.Nd8 Kh8 29.Nf7 Kg8 30.Nh6 Kh8 31.Nc3 Be6+–) 27.Nf7 (27.Nf7 Qf6 28.Qf6 Kg8 29.Qh8) 1–0. pierre – schack08, internet, 2008.

9.a4 Nbd7 10.Qb3 e6 (10...a5 11.Rc1 (11.b5 Nb6 12.Rc1 Bf5 13.d3 Qd6 14.Nd4 Rac8= 0.09; 11.d3 Qb6 12.b5 Re8 13.Nc3 Nc5 14.Qc2 Be6= 0.06) 11...ab4 12.Qb4 Re8 13.Nc3 Qa5 14.Qa5 Ra5= 0.22) 11.Rc1 Nb6 (11...Qe7 12.Nc3 b6 13.Rc2 Bb7 14.d4 Rfc8= 0.09) 12.d3 (12.a5 Nc4 13.Bd4 Bd7 14.Nc3 Rc8+= 0.44) 12...Bd7 (12...Nbd7 13.Bd4 Re8 14.a5 e5= 0.12) 13.Nc3 (13.a5 Nc8 14.Be5 Ne7+= 0.47) 13...Rc8 14.e3 (14.Rc2 Re8+= 0.50) 14...Qe7 (14...Re8+= 0.44) 15.b5 a5 (better is 15...Qd8!?+=) 16.Ba3+– Qd8 17.Bf8 Bf8 18.Ne2 Bd6 19.Qb2 Be7 20.Qd4 Rc1 21.Rc1 Nc8 22.Nf4 b6 23.Ne5 Bc5 24.Qb2 Be7 25.Nc6 Bc6 26.bc6 Qc7 27.Bf3 Nd6 28.h4 h5 29.Rc2 Nf5 30.e4 de4 31.de4 Ng7 32.Nd3 Ng4 33.Qd4 Bd6 (33...Nf6 34.Qe5 Qc8 35.Qf4+–) 34.Bg4 hg4 35.e5 Be7 36.Qd7 Bd8 37.Qc7 Bc7 38.Rc4 Nf5 39.Rg4 Kf8 40.Kg2 Ke7 41.Kh3 Nh6 (41...f6 42.Rg6 fe5 43.g4+–) 42.Rd4 (42.Rd4 Ke8 43.Rd7+–) 1–0. pierre – schack08, internet, 2008.

9.a4 Bg4 10.d3 (10.Ne5 Bf5=) 10...Qb6 (10...Qd6 11.Ne5+=) 11.Nbd2 (11.a5 Qd6= (worse is 11...Qb4 12.Bf6 Bf6 13.Ra4+/–)) 11...Nc6 12.Rb1 Bf3 (12...Rfc8 13.Qb3 a5 14.Bf6 Bf6 15.Qd5 Nb4 16.Qe4+=) 13.Nf3 e6 (13...Rfc8 14.Qb3=) 14.b5 (14.Qd2 Rfc8=) 14...ab5 15.ab5 Ne7 ½–½. Matulovic,Milan – Ivkov,Borislav, Palma de Mallorca, 1967. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.Qa4 Bf5=.

9.Qb3 Nc6 10.d3 Qd6 11.a3 e5 12.Nbd2 b5 (12...Bg4 13.e4 Rfe8 14.Rfe1=) 13.Rac1= Nd7 (13...Bg4 14.Rc5=) 14.Ng5 (14.e4 Ne7+/-) 14...Ne7+= 15.e4 (15.Qc2 Ra7+=) 15...h6= 16.Ngf3 Bb7 17.Rc3 d4 18.Rc2 Rfc8 19.Rfc1 Rc2 20.Rc2 Rc8 21.Bh3 Rc2 22.Qc2 Nb6 23.Nb3 Na4 24.Nfd2 Qc6 25.Qc6 Bc6 26.Bc1 f5 27.Bg2 Nc3 28.Kf1 fe4 (28...Bd7!?=) 29.Ne4+= Be4 30.Be4 Ne4 31.de4 ½-½. Burgos,M (2195) - Torres,Eduardo Lisboa (1905), 5th Floripa Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.Qb3 Nc6 10.d3 h6 11.a4 Be6 12.b5 Na5 13.Qb4 b6 14.Nbd2 Ne8 15.Bg7 Kg7 16.Rfc1 Nd6 17.ba6 Ra6 18.e3 Bd7 19.Qd4 f6 20.Qd5 Nab7 21.Qd4 Qa8 22.Nc4 Ba4? 23.Nd6 ed6 24.Rc7 Kg8 25.Ng5! hg5 26.Bd5 Kh8 27.Qg4 (27...Qc8 28.Rc8+– (28.Ra4?! Qg4 29.Rg4 Nc5+/–)) 1–0. Trkn – guest1742, ICC, 2004.

9.Qb3 Nc6 10.Ne5 Nb8 11.a4 Be6 12.Bd4 Ne8 13.a5 f6 14.Nd3 Bf7 15.Bb6 Qd6 16.Nc5 Qe5 17.d4 Qd4 18.Nc3 Qe5 19.Bd5 Bd5 20.Qd5 Qd5 21.Nd5 Nd6 22.Ne7 Kf7 23.Nd5 Nc6 24.Nc7 Rac8 25.N5e6 (25.Rad1 Nc4 26.Nb7 Nb8+–) 25...Rg8 26.Rad1 (26.Ng7?! Kg7 27.Rfd1 Nc4+/–) 26...Nf5 27.Rd7 Nfe7 28.Bc5 f5?? (28...h6+–) 29.Ng5 Kf6 30.Nh7 Kf7 31.Ng5 Kf6 32.f4 Rgd8 (32...Bf8 33.Nd5 Kg7 34.Be7 Ne7 35.Ne7 Be7 36.Re7 Kf8 37.Rb7 Ke8+–) 33.Nd5! Nd5 (33...Nd5 34.Rf7 Mate attack) 34.Rf7 1–0. Haub,Thorsten Michael (2385) – Foehl,Frithjof, Crailsheim op, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0 a6)

9.Qb3 Nbd7 10.d3 Re8 11.Nbd2 e5 12.e4 d4 13.Nc4 Qe7 14.a4 Bf8 15.b5 Nc5 16.Qc2 Nfd7 17.Ba3 b6 18.a5 ab5 19.Nb6 (worse is 19.ab6 Ra6 (19...bc4?! 20.Bc5 cd3 21.Be7 dc2 22.Ra8 Nb6 23.Ra2 Re7 24.Rc2=) 20.Ncd2 Rb6-/+) 19...Nb6 20.ab6 Ra4 21.Rfb1 Ba6 22.Bb4 Qd6 (better is 22...Rb8!?=) 23.Ra4+/– ba4 24.Bc5 Qc5 25.Qa4 Ra8 26.Ng5 Be7 27.Nf7 Kf7 28.b7 Bb7 29.Qb3 Kg7 30.Qb7 Ra7 ½–½. Aravind,S2 (2100) – Bitan,B (2315), 8th Parsvnath Open, New Delhi IND, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.Qb3 e6 10.d3 Nc6 11.Ne5 Qb6 12.Nc6 bc6 13.a3 Bd7 14.Nd2 Rfb8 15.Nf3 c5 16.Be5 Rc8 17.Rfc1 cb4 18.Qb4 Qb4 19.ab4 Bb5 20.Nd2 Nd7 21.Bg7 Kg7 22.Nb3 Kf6 23.Nd4 Ke7 24.Rc8 (worse is 24.Nb5 ab5 25.f4 Rc1 26.Rc1 Ra4-/+) ½–½. steveberkley – stampyshortlegs, ChessWorld.net, 2014. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0 a6)

9.Qb3 Bg4 10.d3 Bf3 11.Bf3 Nc6 12.Nd2 e6 13.Rab1 Qe7 14.Rfc1 Rfc8 15.a3 Ne8 16.Bg7 Kg7 17.e3 Nd6 18.Qb2 ½–½. Akesson,Ralf (2390) – Schmidt,Wlodzimierz (2475), Rubinstein Memorial, 1981. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0)

9.Ne5 Nbd7 10.Qb3 Ne5 11.Be5 e6 12.a4 Bd7 13.Na3 b5 14.ab5 ab5 15.Qb2 Qe7 16.Nc2 Rfc8 17.Ra8 Ra8 18.Ne1 Ne8 19.Bg7 Ng7 20.Nd3 Ne8 21.Ra1 Ra1 22.Qa1 Nd6 23.Nc5 Bc6 24.Qc3 Bb7 25.d3 Qc7 26.Qe5 Qe7 27.h4 Bc6 28.Bh3 h5 29.Bg2 Qd8 30.Qb2 Bb7 ½–½. Pushkin,Eduard (2245) – Sadykov,Airat F (2145), Muhamedzjanov Memorial, 2007. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.Bg2 d5 6.cd5 cd5 7.Nf3 0-0 8.0-0 a6)

9.d3 Nc6

10.a3 d4 11.Nbd2 Nd5 12.Nb3 e5 13.Qd2 h6 (13...a5 14.b5 Nce7 15.a4=) 14.Rac1 Qd6 15.Qc2 Nde7 16.Nfd2 Qc7 17.a4 (17.e3 Rd8+=) 17...Qd8 18.Ba3 (worse is 18.Bc6 Nc6 19.Ba3 Bh3-/+) 18...Bg4 19.Nc5 Ra7 (19...Be2? 20.Rfe1 b6 21.Nb7+– (21.Re2?! bc5 22.Qc5 Rc8+/–)) 20.Rfe1 Re8 21.Qb2 b5 22.a5 h5 23.Rc2 Nd5 24.h3 Bf5 25.Nde4 Kh8 26.Nb7 Rb7 27.Rc6 Be4 28.Be4 Nc3 (28...Ra7 29.Bg2+=) 29.Bg2 (29.Ra6 Ne4 30.de4 Qc8+/–) 29...h4 (29...Ra7+=) 30.Qb3 (better is 30.Ra6!? e4 31.g4+/–) 30...Ra7 31.Bc1 e4 32.de4 hg3 33.fg3 Be5 34.Bf4? Bf4-/+ 35.gf4 Qh4 36.Rf1 Qg3 37.Qc2 Qe3 38.Kh2 Ne2 39.Qc5 Qg3 40.Kh1 Rae7 41.Rc7 Qe3?? 42.Re7= Ng3 43.Kh2 Nf1 44.Bf1 Qf2 45.Bg2 Qf4 46.Kh1 Re7 47.Qe7 Qc1 48.Kh2 Qf4 49.Kh1 Qc1 50.Kh2 ½–½. Chistiakova,Tamara (2310) – Yeletsky,Ivan (2140), Kazan RUS, Nezhmetdinov Cup, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a6)

10.a3 d4 11.Nbd2 e5 12.Rc1 Be6 (better is 12...Ne8!?=) 13.Rc6+/– bc6 14.Ne5 Bd5 15.Nc6 Bc6 16.Bc6 Rb8 17.Qb3 (17.Qa1!? Qb6 18.Bf3+/–) 17...Qb6 18.Bf3 Nd7 19.Nc4 Qb5 (19...Qe6 20.Rd1=) 20.a4 Qg5 21.Bc1 Qe7 22.Bf4 (22.b5 ab5 23.ab5 Rfc8+/–) 22...Be5+= (22...Rb4? 23.Qa3 Qc5 24.Bd6 Rc4 25.Bc5 (25.dc4?! Qa3 26.Ba3 Rc8+/–) 25...Rc5 26.Rb1+–; 22...Qb4 23.Qb4 Rb4 24.Bd6 Ra4 25.Bf8 Nf8 26.Rb1+/–) 23.Bd2 Bc7 24.b5 ab5 25.ab5 Qe6 26.Rb1 h5 27.Qb2 Rb5?? (better is 27...Qf6+=) 28.Qb5+– Rb8 29.Bb7 h4 30.Re1 1–0. Panchenko,Alexander N (2375) – Privalov,Yuriy (2400), Nerezine 3rd, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 a6)

10.a3 d4 11.Nbd2 e5 12.Nc4 Nd5=.

10.a3 d4 11.Nbd2 e5 12.Re1 Nd5 13.Nb3 Na7 (13...b6!?=) 14.Nfd2 ½–½. Nikolic,Predrag (2630) – Vukic,Milan (2455), YUG–chT, 1988. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

10.a3 d4 11.Nbd2 Be6 12.Qe1=.

10.a3 d4 11.Nfd2 Na7=.

10.a3 Qd6 11.Nbd2 Ng4 (11...Bg4 12.Nb3+=) 12.Bg7= Kg7 13.d4 (13.Rc1 Bd7=) 13...Nf6 (13...Bf5 14.Nb3+=) 14.e3 (14.Rc1 b6=) 14...Bg4 (14...Bf5 15.Qe2+=) 15.Qc2 (15.Rc1 Rac8=) 15...Rfc8 (15...Rac8 16.Qc5+=) 16.Qb2 Rc7 17.Ne5 Bf5 (17...Rac8 18.Nb3=) 18.Rfc1= Rac8 19.Nb3 Nb8 (19...b6 20.Bf1 Ra8 21.Ba6 Nd4 22.Rc7 Qe5 23.Nd4 Qc7 24.Nf5 gf5 25.Bb5+=) 20.Rc7= Rc7 21.Rc1 Rc1 22.Nc1 (22.Qc1 Nbd7 23.Qc3 Qb6=) 22...g5 (22...Nc6 23.Ncd3=) 23.Ne2 (23.Ncd3 b6=) 23...Nbd7 24.f3 (24.Nd7 Qd7 25.f3 Qc6=) 24...g4 (24...h6 25.Qc3=) 25.fg4 (25.Nf4 gf3 26.Bf3 Be4+=) 25...Ng4= 26.Ng4 Bg4 27.Nf4 Nf6 28.h3 (28.Qc3 Bf5=) 28...Bf5 29.g4 (29.Qc3 Ne4 30.Qb3 e6=) 29...Bg6 30.Qc1 (30.Qc3 Qd8=) 30...Qd8 31.g5 Ne4 32.h4 Qd7 33.Bf3 b6 (33...Kg8 34.a4=) 34.Kf1 (34.Kh2 b5=) 34...Bf5 35.Ke1 h6 36.gh6 Kh6 37.Qc2 (37.Bg2 f6=) 37...e6 38.Be4 Be4 39.Qd1 Qc8 40.Qh5 Kg7 41.Qe5 ½–½. Godat,Terry (2155) – Kukula,Pawel (2160), FICGS, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 d5 6.cd5 cd5 7.Bg2 0-0 8.0-0 a6 9.d3 Nc6)

10.a3 Bg4 11.Nbd2 Rc8 12.Rc1 Qb6 13.Qb3 e6 14.Bc3 Bf3 ½-½. Fedoseev,Vl3 (2700) - Dubov,Daniil (2720), World Blitz, 2021.

10.a3 Bg4 11.Nfd2=.

8.0-0 b6

9.Qb3 Bb7 10.Na3 Nc6 11.Nc2 (11.b5 Na5 12.Qd3 a6=) 11...Rc8 12.Rac1 Re8 13.Ne5 Ne5 14.Be5 Qd7 15.Qb2 Nh5 (15...Qg4 16.Bf3 Qe6 17.b5=) 16.Bg7+= Ng7 17.Ne3 (17.d4 Nf5=) 17...Rc1 18.Rc1 d4 19.Nc4 Bg2 20.Kg2 Rc8 21.Ne5 Qd5 22.Nf3 Rc1 23.Qc1 Ne6 24.a3 d3 (24...Kg7 25.Qc2=) 25.ed3 Nd4 26.Qc8 Kg7 27.Qg4 Nc2 28.Qe4 Qe4 (28...e6 29.a4=) 29.de4 Na3 30.Nd4 (30.Ne5 a5 31.ba5 ba5=+) 30...Nc4 (30...a5 31.Kf1=+) 31.Nb3 (31.Nc6!? Nd2 32.Na7=) 31...a5=+ 32.ba5 ba5 33.d3 a4 34.Nc1 (34.Na1 Nd2=+) 34...Nd2-/+ 35.f4 (35.Na2 e5-/+) 35...Nb3 36.Na2 Nc5 37.Nc1 (better 37.Kf2!?=+) 37...a3-+ 38.Kf3 Nd3! 39.Na2 (39.Nd3 a2 Passed pawn) 39...Kf6 40.Ke3 Nb2 41.Kd4 e5! 42.fe5 Ke6 43.Nb4 g5 44.Na2 g4 45.Nb4 h5 46.Na2 Na4 47.Nb4 Nb6 48.Na2 (better 48.Nd3!? a2 49.Nc5 Ke7 50.Nb3-+) 48…Nd7 0-1. Vojak,Daniel (2230) - Antipov,M2 (2605), KCF University Cup, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

9.Nc3 Qd6 10.a3 a5=.

9.d3 Bb7 10.Nbd2 Nbd7 11.Qb3 Rc8 12.a4 a6 13.Rfc1 Rc1 14.Rc1 Qb8 15.Nd4 Rc8 16.Rc8 Qc8 17.Qc3 (17.f4 Qc7=) 17...Qc3+= 18.Bc3 Ne8 (18...e5 19.Nc2=) 19.e3 (19.f4 Nd6=) 19...Nd6 20.Ne2 e6 (20...e5 21.f4=) 21.Bg7 Kg7 22.Nb3 (22.d4 g5=) 22...Ne5 23.Nec1 Bc6 24.a5 ba5 25.Na5 Bb5 26.Bf1 (26.d4!? Nec4 27.Nc4 Bc4 28.Bf1=) 26...Nf3+= 27.Kg2 Ne1 28.Kg1 Nf3 (28...g5!?+=) 29.Kg2= Ne1 ½-½. Pinales Roussel,G (2025) - Montalvo Rosario,A (2170), Championship de Puerto Rico, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

9.d3 Bb7 10.Nbd2 Nbd7 11.Rc1 Rc8 12.Qa4 Rc1 13.Rc1 Qb8 14.Qb3 (14.Bh3 e6+=) 14...Rc8= 15.Rc8 Qc8 16.Qc3 (16.Bh3 Qc7=) 16...Qc3 17.Bc3 Ne8 18.Bg7 Kg7 19.Nd4 Nd6 (19...e5 20.Nb5 a6 21.Nc3=) 20.Kf1 (20.f4 Kf6=) 20...e5=+ 21.N4b3 f5 22.Ke1 Kf6 23.Kd1 g5 24.d4 e4 25.e3 Ba6 26.a4 Nc4 (26...Kg6 27.Nc1=+) 27.b5= Nd2 28.Kd2 Bc8 29.Bf1 Nf8 30.Be2 Ng6 31.Kc3 f4 32.Kb4 f3 33.Bf1 h5 34.a5 h4 (34...Ke7 35.Nd2=) 35.ab6 ab6 36.Nd2 (36.gh4 gh4 37.Nc5 bc5 38.Kc5 Ke7=) 36...Ne7 37.Kc3 (37.Nb1!?=) 37...Ng8-/+ 38.Nb1 Nh6 39.Kd2 Ng4 40.gh4 Nh2 (40...Nf2!? 41.Nc3 Be6=+) 41.hg5= Kg5 42.Ke1 Kf6 43.Nc3 Be6 44.Nd1 (44.Na4 Nf1 45.Kf1 Bd7=) 44...Ke7=+ 45.Nc3 Kd6 46.Nd1 (46.Na4!?=+) 46...Bf5-/+ (46...Nf1?! 47.Kf1 Bh3 48.Ke1=) 47.Nc3 Bd7 48.Nd1? (better 48.Na2!? Nf1 49.Kf1 Bb5 50.Ke1-/+) 48...Nf1-+ 49.Kf1 Bb5 50.Ke1 Ke6 (50...Bc4 51.Nc3-+) 51.Kd2? (better 51.Nc3!? Bc4 52.Na4-/+) 51...Kf5-+ 52.Nc3 Bc4 53.Nd1 (53.Na4 b5 54.Nc3-+) 53...b5 54.Kc3?? (54.Nc3-+) 54...Kg4 55.Kb4 (55.Kd2 Bb3 56.Nc3-+) 55...Kh3 56.Nc3 Kg2 57.Nb5 Bb5 58.Kb5 Kf2 59.Kc6 (59.Kb4 Ke3 60.Kc5 f2 61.Kd5 f1Q 62.Kc5 Qf8 63.Kb5 Kd4 64.Kc6 e3 65.Kb7 e2 66.Kc6 Qb8 67.Kd7 e1Q 68.Kc6 Qe6) 59...Ke3 60.Kd5 f2 61.Ke5 f1Q 62.d5 Qf8 63.d6 (63.Ke6 Kd4 64.d6 e3 65.d7 e2 66.d8B e1Q 67.Kd7 Qee8 68.Kc7 Qd8 69.Kc6 Qc5 70.Kb7 Qdc8) 63...Qd8 64.Kd5 (64.Ke6 Kf4 65.d7 e3 66.Kd5 e2 67.Kd6 Qb6 68.Ke7 e1Q 69.Kf7 Qee6 70.Kg7 Qd8 71.Kh7 Qdg8) 64...Kd3 65.Ke5 (65.Kc6 e3 66.d7 e2 67.Kc5 Qd7 68.Kb4 e1Q 69.Kb3 Qc1 70.Kb4 Qc3) 65...e3 66.Kf4 (66.Ke6 e2 67.d7 e1Q 68.Kf7 Qee7 69.Kg6 Qg5 70.Kf7 Qde7) 66...e2 67.Kf3 (67.Kf5 e1Q 68.Kg6 Qe5 69.Kh7 Qe6 70.d7 Qdg8) 67...e1Q 68.Kg4 (68.d7 Qg1 69.Kf4 Qf6) 68...Qf8 (68...Qe4 69.Kg3 Qdh4) 69.Kh5 (69.d7 Qg7 70.Kf5 Qee5) 69...Qg1 70.Kh4 (70.d7 Qh8) 70…Qh8 (70...Qh6) 0-1. GranLibertad (1980) - Lance5500 (2405), lichess.org, 2019. (=1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.b4 0-0 5.Bb2 c6 6.Nf3 d5 7.cd5 cd5 8.0-0)

9.d4 Bb7 (9...Qd6 10.Qb3=) 10.Nbd2 Nc6 11.a3 Re8 12.e3 Rc8 13.Qe2 a6. hobgoblin (2150) – vampirex (2105), net–chess.com, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

8.0-0 Qb6

9.a3 a5 10.Nc3 Na6 11.Na4 Qd8 12.b5 Nc7 13.Nb6 Rb8 14.Nc8 (14.Be5 Nd7 15.Bc7 Qc7 16.Nd5 Qc5+=) 14...Rc8= 15.Bh3 e6 16.a4 Na8 17.d3 Nd7 18.Bg7 Kg7 19.Qd2 Nc5 20.Rfc1 Qf6 21.Ra3 (worse is 21.Qa5 Nb3 22.Qe1 Na1 23.Ra1 Rc2-/+) 21...Nb6 22.Qa2 (better is 22.Bg2=) 22...Nd3!-/+ 23.Rc8 Nb4 24.Rf8 Na2 25.Rb8 Nc1 26.Rb7 Nc4 27.Be6 Ne2 28.Kg2? Qe6 29.Ng5 Qg4 30.Rf7 Kg8 31.b6 Na3 32.b7+/– Qg5 33.Rc7+– Nf4 34.Kh1 Ne6 35.b8Q Nf8 36.Qb2 d4?? 37.Qa3 Qh6?? 38.Qb3 Kh8 39.Qf7 (39.Qf7 d3 40.Rc8 Qc1 41.Rc1 h6 42.Qf8 Kh7 43.Rc7) 1–0. Vadasz,Laszlo – Filep,Tibor, HUN–ch Budapest, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.a3 a5 10.Bd4 Qc7 11.b5 Nbd7 ½–½. Spiridonov,Nikola (2385) – Plesec,Damjan (2315), FRA–chT2B, 2006. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

9.a3 a5 10.Bd4 Qd8 11.b5 Nbd7 12.Qb3 Re8 13.Ne5 Ng4 14.f4 Nde5 15.fe5 Ne5 16.Kh1 (16.Qd5? Nf3 17.Qf3 Bd4 (worse is 17...Qd4 18.e3 Qc4 19.Nc3+=) 18.e3 Ba1 19.Qf7 Kh8–+) 16...e6 17.Nc3 Nc4 18.Bg7 Kg7 (18...Nd2 19.Qb2 Nc4 20.Qc1 Kg7 21.e4-/+) 19.Ne4 f5 20.Qc3 e5 21.Nc5 Qd6 22.Nd3 Be6 23.Nb2 Rec8 24.Nc4 Rc4 25.Qb2 Rac8 26.Rac1 b6 27.Rc4 dc4 28.Qc3 Rd8 29.h3 Qd4 30.Qf3 Bd5 (30...Qd2?! 31.Qb7 Kf6 32.Qb6–+) 31.Qe3 Qe3 32.de3 e4 33.Rc1 Be6 34.g4 Rd2 35.Kg1 Kf6 36.Kf2 Rb2 37.a4 Ra2 38.h4 Ra4 0–1. Giardelli,Sergio – Real de Azua,Ernesto, Villa Martelli ARG, 2013. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

9.a3 Nc6 10.Nc3 a6 11.Na4 Qa7 12.Rc1 Re8 13.Ne5 Nd4 14.Nc5 Ne6 15.Qb3 Qb6 16.Rc2 Nc5 17.Rc5 Now all is on d5 17...Be6 18.d3 Rac8 19.Rfc1 Rc5 20.Rc5 Rd8 21.Bd4 Qd6 22.Qc3 Nd7 23.Nd7 Bd4 24.Qd4 Qd7 25.h4 h5 26.Qe5 Qa4 27.Rc7 Qd1 28.Kh2+/– Qe1 29.f4 Re8 30.Rb7 Qf2 31.Rc7 d4 32.Qe4 Bg4 33.Rc2 e6 34.Qc6 Rd8 35.e4 Qe3 36.Qa6 Kg7 37.Qb5 Rf8 38.a4 Rd8 39.a5 Be2 40.Qe5 Kg8 41.Qf6 Rf8 42.Rc4 Qd3 43.Rd4 Qc2 44.Kg1 Qc1 45.Kf2 Qb2 46.Qe5 Bc4 47.Kg1 Qb4 48.Bf1 Qe1 49.Rc4 Qg3 50.Kh1 Qh4 51.Kg2 Qg4 52.Kf2 Qh4 53.Ke2 Qh2 54.Kf3 h4 55.Qg5 Rb8 56.Rc3 Qd2 57.Rd3 Qe1 58.Be2 Rb2 59.Re3 h3 60.Qg3 Qa5 61.Qh3 Kg7 62.Rd3 Qb5 63.Kf2 Rb4 64.Qe3 Qb7 65.Bf3 Qe7 66.Qc1 Qh4 67.Kg2 Rb8 68.Ra3 Rd8 69.Ra7 Kg8 70.Qe3 Rc8 71.Qd2 Rd8+/– 72.Qc1 Kg7 73.Ra1 Qf6 74.Ra5 Kg8 75.Kg3 Kg7 76.Qc5 Kg8 77.Ra7 Rf8 78.Qe7 Qd4 79.Ra2 Qg1 80.Rg2 Qe1 81.Kg4 Qe3 82.e5 Qd3 83.Rh2 Qf5 84.Kg3 g5 85.Qg5 Qg5 86.fg5 Kg7 87.Bh5 Rc8 88.Rf2 Rc3 89.Kg4 Rc7 90.Rf7! (90.Rf7 Rf7 91.Bf7 Kf7 92.Kh5+–) 1–0. Schneider,Lars Ake (2425) – Lind,Jan Olov (2295), SWE–ch Uppsala, 1985. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.a3 Nc6 10.Nc3 Bd7 11.Na4 Qd8 12.Nc5 b6 13.Nd7 Qd7 14.Rc1 b5 (14...Rfc8 15.Qb3=) 15.Qb3 Rac8 16.Rc5 Na5 17.Qc2 Rc5 18.bc5 (worse is 18.Qc5 Ne4 19.Qc1 Rc8+=) 18...Nc4 19.Ne5 Qc7 20.Nc4 bc4 21.d4 Rb8 22.Bc1 Rb3 23.Bf4 Qa5 24.Bd2 Qb5 (24...Qa3 25.e4 Ne4 26.Be4 de4 27.Qe4+=) 25.Ra1 Rb2 26.Qc1 e6 27.a4 Qb3 28.c6 Ne8 29.Bf4 (29.e3!?+=) 29...Bd4-/+ 30.c7 (30.Qd1 Bf6 31.e4–+) 30...Nc7! 31.Bc7 Rc2 32.Qd1 Ba1 33.Qa1 Rb2 34.Bf1 c3 35.Qc1 0–1. Rebolo Ramirez (2200) – Zurita Gutierrez, Andaluzia–chT, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

9.a3 Nc6 10.Nc3 Bf5 11.h3 Rac8 12.d3 h5 (12...h6 13.Rc1=) 13.Nh4 d4 (better is 13...Bd7!?=) 14.Na4+/– (14.Nf5 dc3 15.Bc3 gf5-/+) 14...Qb5 15.Nc5 (15.Rc1 b6 16.Nf5 gf5 17.Bc6 Rc6 18.Rc6 Qc6 19.Bd4 f4+/–) 15...b6 (15...Bd7 16.Qb3 Kh7 17.Rac1+=) 16.Nb3 (16.Nf5 gf5 17.Nb3 a6+–) 16...Nd7? (16...Be6 17.Bc6 Qc6 (17...Rc6? 18.Nd4 Qd5 19.Ng2+–) 18.Nd4 Qd6 19.Ne6 Qe6+=) 17.a4+– (17.Nf5?! Qf5 18.Rc1 Ndb8+=) 17...Qb4 (17...Qe5 18.b5 Na5 19.Bd4+–) 18.Ba3 (18.Nf5 gf5 19.Bc6 Qd6+–) 18...Qa4 19.Nf5 gf5 20.Be7! Qb5 21.Bf8 Nf8 22.Bc6 Rc6 23.Ra7 f4 24.Nd2 Rg6+/– 25.Kg2 Qd5 26.Nf3 Be5 27.Re7 Ne6+= 28.Qa4 Bd6 29.Qe8+/– Nf8 30.Ra7 fg3 31.Rg1 Qf5= 32.Qe4 gf2 33.Kf2 Qh3 34.Rg6 fg6 35.Qd5 Qe6 36.Qb7 Qf6 37.Kg2 Bf4 38.Nd4+/– Bh6 39.Qd5 Kh8 40.Nf3 g5? 41.Ne5+– Qe6?? 42.Nf7 (42.Nf7 Kh7 43.Ng5 Kh8 44.Ne6 Ne6 45.Qe6 Bf8 46.Qf6 Kg8 47.Qf7 Kh8 48.Qf8#) 1–0. Chistiakova,T (2220) – Zawadzka,J (2310), WYg16, Heraklio GRE, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.a3 Ne4 10.Bg7 Kg7 11.d3 Nf6 12.Nc3 Nc6 13.Qb3 Rd8 (13...d4 14.Na4 Qb5 15.Rfc1+=) 14.Na4+= Qc7 15.Rac1 Qd6 16.Qc3 a6 17.Nc5 Kg8 18.Nd2 Na7 19.Ncb3 Bd7 20.Qc5 Bc6 21.Qd6 Rd6 22.Nc5 Nb5 23.Ra1 (23.a4 Nd4 24.Rfe1 Kg7=) 23...Nc3 24.Rfe1 Na4 (24...a5 25.ba5 Ra5 26.Ncb3=+) 25.Ndb3 Nc5 26.bc5 Rdd8 27.Na5 Rab8 28.Reb1 The backward pawn on b7 becomes a target 28...Rbc8 29.d4 Re8? (better 29...Rd7!?+=) 30.Nb7+- Bb5 31.e3 Rc7 32.Na5 e5 33.a4 Bd3 34.Rb6 Kg7 35.Rb7 Rb7 36.Nb7 ed4 37.ed4 Ne4 38.Rc1 (38.Be4 Be4 39.Rc1 Kf8+-) 38...Re7 (38...Nc3 39.Bf1 Na2+-) 39.Be4 Be4 40.Nd6 (40.c6 Rc7 41.g4+-) 40...Bf3?? (40...Re6+-) 41.c6 Bg4 42.c7 (42.f3!? Be6+-) 42...Re2 43.c8Q Bc8 44.Rc8 Rd2 (44...Ra2 45.Rc5 Ra4 46.Rd5+-) 45.Rc6 Rd4 46.Ra6 Rb4 47.Kf1 Rb2 48.a5 d4 49.Nc4 Rc2 50.Ne5 1-0. Gharibyan,Mamikon (2315) - Fivelstad,Jon Olav (1900), Kragero Resort Chess, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.a4 Qb4-/+ 10.Ba3 Qe4 11.Nc3 Qe6 12.Nb5 Ne8 (12...Na6 13.Nbd4 Qd7 14.Rc1-/+) 13.Rc1 (13.Nbd4 Qd7+=) 13...Nc6 14.d3 (14.Bc5 Qd7+=) 14...Qd7 (14...a6 15.Nc3-/+) 15.Qb3 Qd8 (15...a6 16.Nc3 Nf6 17.d4+=) 16.Rc5 a6 (16...Be6!? 17.Ng5 a6+=) 17.Rd5= Bd7 18.Bh3 (better is 18.Nc3=) 18...Nf6-/+ 19.Bd7 (19.Rd7 Nd7 20.Nc3 Na5-/+) 19...Nd5 (19...Na5 20.Be6 A) worse is 20...fe6 21.Rd8 Nb3 22.Rf8 Rf8 23.Nc7+/– (23.Be7?! ab5 24.Bf8 Kf8 25.ab5 Nd5+=); B) 20...Nd5 21.Qd5 ab5–+ (worse is 21...fe6 22.Qe6 Kh8 23.Be7+=)) 20.Qd5 (20.Bc6!? bc6 21.Nbd4-/+) 20...ab5–+ 21.Bc6 bc6 22.Qc6 ba4 (22...Ra4 23.Bc5–+) 23.Rd1 (23.Rc1 Re8–+) 23...Qc8 (23...Ra7 24.Rc1–+) 24.Qe4 Qc2 25.Rc1 Qb3 26.Qe7? (26.Be7 Rfe8 27.Qc6–+) 26...Rfe8 27.Qb4 Qb4 (27...Qa2 28.Ng5 Reb8 29.Qc4 Qa3 30.Qf7 Kh8 31.Rc7 Qa1 32.Kg2–+) 28.Bb4 a3 (28...a3 29.Ba3 Ra3–+) 0–1. Wagner,Claude (2340) – Bergez,Luc (2340), French Top, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

9.Qb3 a5 10.ba5 Qa5 11.Nc3 Na6 12.Ba3 Re8 13.Rac1 e5 14.d3 d4 15.Nb5 Be6 16.Qb2 Nd7 17.Bd6 Qa2 18.Qa2 Ba2 19.Nc7 Nc7 20.Rc7 Rad8 21.Nd2 Nf6 22.Bb4 Bd5 23.Bd5 Nd5 24.Rb7 Rb8 25.Rb8 Rb8 26.Ba3 Ra8 27.Nc4 Nc3 28.Re1 f6 29.Bb2 Ra2 30.Kf1 Bf8 31.Ra1 Ra1 32.Ba1 Na4 33.f4 Bg7 34.Kf2 Kf7 35.Kf3 Ke6 36.fe5 fe5 37.Bb2 Bf8 38.Bc1 Kd5 39.Bg5 Nc5 40.Nd2 h6 41.Bd8 Ne6 42.Bf6 Nc5 43.h3 Ke6 44.Bd8 Kd7 45.Bb6 Na4 46.Ba5 Ke6 47.Ne4 Be7 48.Bd2 h5 49.g4 Nc5 50.gh5 gh5 51.Ng3 h4 52.Ne4 Kf5 53.Bb4+– Nd3 54.Be7 Nf4 55.Nf2 e4 56.Ne4 Nh3 57.Nd2 Ng1 58.Kf2 Nh3 59.Kf1 Kg4 60.Nf3 d3 61.Ne5 Kg3 62.Nd3 Kg4 63.Nf2 Nf2 64.Kf2 h3 1–0. Kapral,K (2155) – Sari,S (2030), 22nd ch–NATO, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.Qb3 Na6 10.a3 Nc5 11.Qa2 Ne6 12.d3 Rd8 13.Nbd2 Bd7 14.Nb3 Rac8 15.Be5 Ba4 16.Bh3 Bb3 17.Qb3 Nh5 18.Bg7 Kg7 19.Rac1 Nf6 ½–½. Maros,Milan (2290) – Hagara,Eduard (2395), SVK–chT, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

9.Qb3 Na6 10.a3 Bg4 11.Bd4 Qd8 (11...Qe6 12.Qe3=) 12.Qb2 (12.h3 Bf3 13.Qf3 Re8+=) 12...Nb8 13.b5 Nbd7 14.d3 Bf3 15.Bf3 e5 16.Bc3 (16.Be5? Ne5 17.Bg2 Re8–+) 16...Re8 Black plans e4 17.Nd2 a5 18.ba6 ba6 19.Qa2 Rc8 20.Rac1 e4 21.de4 de4 22.Bg2 e3 23.fe3 Re3 24.Nc4 (24.Ne4 Rb8+=) 24...Re6 25.Kh1 (25.e3 Qe8=) 25...Qe7= 26.e3 Qc5 27.Bb4 Qh5 28.Bf3 Qh3 29.Qg2 (29.Qf2 Ne5 30.Ne5 Rc1 31.Rc1 Re5=) 29...Qg2 30.Kg2 Bh6 31.Kf2 (better is 31.Bd2=) 31...Ne5?? (better is 31...Nb6 32.Nd2 Be3 33.Kg2 Rc1 34.Rc1 Nfd5-/+) 32.Ne5+/– Rc1 33.Rc1 Re5 34.Rc8 Re8 35.Re8 Ne8 36.Bb7 Nc7 37.Ba5 Nb5 (37...Ne6 38.Ba6 Nc5 39.Bc4+–) 38.a4 (38.Ba6?! Na3 39.Bd3 f6+=) 38...Nd6 39.Ba6 Kf8 (39...Ne4 40.Kf3 f5+–) 40.Bb4 Ke7 41.Bd3 Kd7 42.a5 Kc7 (42...Bf8 43.a6 Kc6 44.Bc5+–) 43.a6 Nc8 (43...Bf8 44.a7 Kb7 45.Bc5+–) 44.Bc5 Kb8 45.Bc4 f6 (45...f5 46.Bg8 Bg5 47.Bh7+–) 46.Bg8 Bg7 47.Bh7 g5 48.Be4 Bh8 49.Bb7 Bg7 50.e4 g4 51.Ke3 Bh6 52.Kd3 Bc1 53.Kc4 Bb2 54.Kd5 Be5 55.Ke6 (better is 55.Bc8 Kc8 56.Bd6+–) 55...Bb2 (55...Kc7+–) 56.Kd7 Nb6 57.Bb6 Be5 (57...Bd4 58.Kc6 Bb6 59.Kb6 f5 60.a7) 58.Bc6 f5 (58...Bg3 59.a7) 59.a7 1–0. Regan,Natasha K (2015) – Advait,Bagri (1645), 8th CSC London Chess Classic, 2016. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 d5 6.cd5 cd5 7.Bg2 0-0 8.0-0 Qb6)

9.Qb3 Nc6

10.a3 a5 11.b5 a4 12.Qd3 Bf5 13.Bd4 Qd8 14.Qc3 Ne4 15.Qb2 Nd4 16.Nd4 Nc5 17.Qb4 Bd4 18.Qd4 Nb3 19.Qb2 Na1 20.Qa1 Bb1 21.Qb1 e6 22.Qb4 Qa5 23.Qb2 Rac8 24.e4 Rc5 25.Rb1 Rfc8 26.ed5 ed5 27.Bh3 Rc2 28.Qe5 Qd2 29.Rf1 Rf8 30.Bg2 d4 31.Bb7 d3 32.Be4 Rd8 33.Qe7 Rcc8 34.b6? (34.Kg2–+) 34...Qe2 35.b7 Rb8 36.Qb4 d2 37.Bc2 d1Q 38.Bd1 Rd1 39.Rd1 Qd1 40.Kg2 Qd5 41.Kh3 Qb7 (better is 41...Qd7!? 42.Kg2–+) 42.Qa4 Ra8 43.Qd4 Qc8 44.Kg2 Ra3 45.Qd6 Qa8 46.Kh3 Ra5 (46...Ra5 47.Qd3 Rh5 48.Kg4 Rh2–+) 0–1. Svebis,Mark – Szakall,Tamas (2135), HUN–chT, 1996. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.Bg2 d5 6.cd5 cd5 7.Nf3 0-0 8.0-0 Qb6)

10.a3 a5 11.b5 a4 12.Qe3 Qb5 13.Bf6 Bf6 14.Nc3 Qa5 15.Rfb1?? (better is 15.d4-/+) 15...d4–+ 16.Qh6 (16.Nd4 Bd4 17.Qf3 Rd8–+) 16...Bg7 17.Qh4 dc3 18.dc3 h6 19.c4 (19.Nd4–+) 19...Ba1 20.Rb5 (20.Ra1 Qc3 21.Rd1–+) 20...Qc3 21.Qh6 Qh8 (21...Rd8 22.Rb1–+) 22.Qe3 Bh3 (better is 22...Rd8!? 23.Rb1–+) 23.Bh3 Qh3 24.Nh4 Rad8 (24...Rad8 25.Rb1 Bf6–+) 0–1. Wagner,G – Jones,Michael G (1675), WLS–ch Major, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

10.b5 Na5 11.Qb4 a6 12.Na3 ab5 13.Bd4 Nc6 14.Bb6 Nb4 15.Nb5 Nd7 16.Bd4 e5 (16...Na2?! 17.Nc7 Ra5 18.Bg7 Kg7 19.Nd5 Rd5 20.Ra2+=; 16...Ra2?! 17.Ra2 Na2 18.Bg7 Kg7 19.Rb1+=) 17.Bc3 Nc2 (17...Na2!? 18.Bb4 e4-/+) 18.Nc7= Ra4 (worse is 18...Na1 19.Na8 Nc2 20.Rc1+=) 19.Rac1 Ra2 20.Nd5 b5 (20...Re8 21.Ng5 Nc5 22.Nc7+/–) 21.Ne7 (21.Ng5 Bh6 22.f4 Bg5 23.fg5 Kg7+–) 21...Kh8 22.Ne1 (better is 22.Ng5!? b4 23.Bd5 bc3 24.Ba2+/–) 22...Ne1= 23.Rfe1 Nb6 24.Bc6 Bd7 25.Bd7 (25.Rb1!? Bc6 26.Nc6=) 25...Nd7+= 26.Rb1 Rb8 27.Nd5 e4 28.Nb4 Ra4 29.Bg7 Kg7 30.Rec1 Rb7 31.d4 ed3 32.ed3 h5 33.Rc3 h4 34.Kg2 Ra8 35.Nc2 Ra2 36.Nb4 h3 37.Kh3 Rf2 38.Rc2 Rc2 39.Nc2 Ne5 40.d4 Nc4 41.Kg4 f5 42.Kf4 Kf6 43.h4 Re7 44.Rb5? Re2–+ 45.g4 Rc2 46.gf5 Rf2 47.Kg4? Ne3 48.Kg3 Rf5 49.Rb6 Kg7 50.Re6 Nd5 51.Re5 Kh6 52.Re4 Nf6 53.Re1 Nh5 54.Kg2 Rd5 55.Rd1 Nf6 56.Rf1 Ng4 57.Rf4 Ne3 58.Kf3 Nf5 59.Ke4 Rd4 60.Ke5 Rf4 61.Kf4 Kh5 (61...Kh5 62.Kf3 Kh4–+) 0–1. Prasad,C FIJ (2015) – Dale,Ari (2220), Nadi FIJ, Oceania Zonal (m), 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

10.b5 Na5 11.Qb4 a6 12.a4 Nc6 13.Qb3 ab5 14.ab5 Ra1 15.Ba1 Bd7 16.Nc3 d4 17.Na4 Na5 18.Nb6 Nb3 19.Bd4 (worse is 19.Nd7 Nd7 20.e3 de3 21.Bg7 ef2 22.Kf2 Kg7+=) 19...Bb5 (better is 19...Nd4!? 20.Nd4 Bg4+/–) 20.Bf6+– Bf6 21.Rb1 1–0. Rubel,Julian (2175) – Roeberg,Frank (2260), Oberliga Ost–B, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Qb6)

10.b5 Na5 11.Qb4 Nc6 12.Qa4 Bf5 13.Nc3 (worse is 13.bc6 Qb2 14.cb7 A) worse is 14...Qa1 A1) 15.ba8B?! Bb1 (worse is 15...Ra8 16.Qb3 Ne4 17.Qb7+–) 16.Bd5 Nd5=; A2) 15.ba8Q?! Ra8 16.Qb3 Ne4+/–; A3) 15.ba8R Ra8 16.Qb3+/–; B) 14...Qb7+=) ½–½. Cottarelli,Franco – Fernandez Fornes,Juan Alberto, Grund Malyszko Memorial–3 sf–01, 1999.

8.0-0 Nc6

9.a3 a6 10.d3 Bg4 11.Nbd2 Qd7 12.Nb3 b6 13.Rc1 Rac8 14.Re1 Bh3?? (14...Qe6 15.Qd2=) 15.Bh1?? (better is 15.Rc6 Rc6 16.Ne5+–) 15...Rfe8 16.Ne5 Ne5 17.Be5 Ng4 18.Bg7 Kg7 19.Qd2 Nf6 20.Rc8 Rc8 21.Rc1 Rc1 22.Qc1 Qc8 23.Qb2 Bd7 24.Bd5+/– Bc6 25.Bc6 Qc6 26.Nd4 Qa4 27.Qb3 Qb3 28.Nb3 Nd5 29.Kf1 Nc3 30.Nd2 Nb5 31.Nb1 Kf6 ½–½. Michalek,Christoph – Trisic,Alexandar (2220), GER–ch U17 Germany, 1991. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0)

9.a3 Re8 10.d3 e6 (10...e5 11.Qd2=) 11.Nbd2 a6 12.Rc1 (12.Ne5 Bd7=) 12…Bd7. gbsr (2300) – kostaspetidis (2300), net–chess.com, 2003. (=1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.c4 c6 5.b4 0-0 6.Bb2 d5 7.cd5 cd5 8.0-0)

9.b5 Na5 10.d3 b6 11.Na3 Bb7 12.Rc1 Rc8 13.Rc8 Qc8 14.Qd2 Qd7 15.Bc3 Qc7 16.Rc1 Rc8 17.Bb2 Qd8 18.Rc8 Qc8 19.Qb4 e6 20.Ne5 Nd7 21.Nd7 Bb2 22.Qb2 Qd7 23.Nc2 ½–½. Wittmann,Ral (2155) – Prill,D (2190), 32nd Untergrombach Open, 2015. (=1.Nf3 Nf6 2.c4 c6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5 7.cd5 cd5 8.0-0 Nc6)

9.b5 Na5 10.d3 b6 11.Nbd2 Bd7 12.Rb1 Rc8 13.Nb3 Nb7 14.Nbd4 Ne8 15.Rc1 Nc5 16.Qd2 Nd6 17.Qb4 (17.Nc6 Bc6 18.Bg7 Kg7 19.bc6 e6+= (worse is 19...Rc6 20.Qc3 f6 21.d4+/–)) 17...Qe8 18.a4 f6 19.Nb3 Bh6 (19...a5 20.Qa3 Ncb7 21.Rc8 Bc8 22.Nfd4+/–) 20.Nbd2 (better is 20.Nc5!? Bc1 A) worse is 21.Rc1 bc5 (worse is 21...Rc5 22.Rc5 bc5 23.Qc5+/–) 22.Rc5 Qf7+=; B) 21.Nd7 Bb2 22.Nf8+/–) 20...Qf7= 21.Bd4 Ndb7 22.Be3 Be3 23.fe3 Nd6 24.Nd4 (24.e4 de4 25.Ne5 Qa2 26.Nd7 Nd7=) 24...Nf5 25.Nf5 Bf5 26.e4 Be6 27.e5 Qg7 28.d4 Nd7 29.Rc6 Rc6 30.bc6 Nb8 31.Qb5 Qf7 32.c7 Nd7 33.e4 de4 34.d5 Ne5 35.de6 Qe6 36.Be4 Qd6 37.Qd5 Nf7 38.Rc1 Rc8 39.Qd6 Nd6 40.Bd5 (40.Bd5 Kg7 41.Be6+–) 1–0. Weiler,W (2145) – Schwab,T1 (2050), Bonn–Bad Godesberg, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

9.b5 Na5 10.d3 b6 11.Ne5 Bb7 12.Nd2 Nd7 13.Ndf3 Ne5 14.Be5 Be5 15.Ne5 Qd6 16.d4 f6 17.Nd3 Rac8 18.e3 Rc3 19.Bh3 e6 20.Nf4 f5 21.Nd3 Rfc8 22.Re1 R8c7 23.Bf1 Bc8 24.Ne5 Bd7 25.Qf3 Be8 26.Qf4 Nc4 27.Bc4 dc4 28.a4 Qb4? 29.Ng6!+– Rc8? 30.Reb1 Rb3–+ 31.Rb3 cb3 32.Ne5?? b2 33.Qg5 Bg6 34.Rf1 b1Q 35.Ng6 hg6 36.Qg6 Kf8 37.Qf6 Kg8?? 38.Qe6 Kg7 39.Qc8 Qe4 40.Qd7 Qbe7-/+ 41.Qc8 Q7b7 42.Qd8?? Qg2# 0–1. wictorio (1845) – szmark (1735), kurnik, 2011. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.b5 Na5 10.d3 Bd7 11.a4 a6 12.Na3 Qe8 (12...Rc8 13.Rb1=) 13.Rb1 ab5 14.ab5 (14.Nb5 Qd8+=) 14...b6 (14...Qd8 15.Nc2=) 15.Ne5 Nb7 (15...Qd8 16.Nc2+=) 16.Nd7 (16.Nac4!? dc4 17.Bb7+/–) 16...Qd7= 17.Nc2 Rfc8 (17...Ng4 18.Bc1=) 18.Nb4+= e6 (18...Qb5?? 19.Bf6 ef6 20.Nd5+–) 19.Nc6 (19.e4 A) 19...Qb5?? 20.Bf6 de4 21.de4+– (worse is 21.Be4 Qd7+–); B) 19...Nc5+=) 19...Nd6 20.Qb3 Qe8? (20...Nb5!? 21.Ne5 Qe8=) 21.Rfc1 (21.Qb4!? Qf8 22.e4 Nde4 23.Qf8 Kf8 24.de4 Ne4 25.Be4 de4 26.Bc1+–) 21...Nd7 22.Bg7 Kg7 23.Qb4 (23.e4 de4 24.de4 Nc5 25.Qb2 Kg8+=) 23...Nc5= 24.Qd4 f6+= 25.e4 Nb5 26.Rb5 Qc6 27.Qb2 Qd7 28.Rb1? Na4–+ 29.Qd4 Nc3 30.R5b2 Nb1 31.Rb1 Ra4 32.Qb6 d4 33.e5 fe5 34.Bh3 Kf6 35.Re1 Qc6 36.Qb3 Ra5 37.Bg2 Qc3 38.Qd1 Kg7 39.Qe2 Ra1?? 40.Qe5= Kh6 41.Qf4 Kg7 42.Qe5 ½–½. Abril,Mauricio (2020) – Ruiz,Alciguel (2165), Bogota COL, McGregor Mem, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Nc6)

9.b5 Bg4 10.bc6 Bf3 11.cb7 Bg2 12.ba8R Qa8 13.Kg2 d4 14.f3 e5 15.Na3 d3 16.ed3 Nd5 17.Nc4 f6 18.d4 Bh6 19.de5 fe5 20.Be5 a6 21.Qb3 Rb8 22.Bb8 (22...Bg5 23.Rab1+–) 1–0. Pierred (2290) – Mate in 30, Rated game, 5m + 0s, 2005.

8.0-0 Nbd7

9.a4 Re8 10.d3 b6 (10...a5 11.b5=) 11.Nbd2 Bb7 12.Nb3 (12.Qb3 e5=) 12...Rc8= 13.Qd2 Qc7 14.Rfc1 Qb8 15.a5 Rc1 16.Rc1 e5 17.b5 d4 18.a6 (18.ab6 ab6 19.e4 de3 20.Qe3 e4 21.de4 Be4=) 18...Bd5+= 19.Qd1 (19.Qb4 Bf8 20.Qa4 Bh6+=) 19...Bh6 (19...Qd6!?-/+) 20.Nbd2+= Nc5 21.Kh1 (21.Rc2 Re7+=) 21...Qa8 22.Ne1?? (better is 22.Rc2-/+) 22...Bg2–+ 23.Ng2 Na4 (better is 23...Bd2 24.Qd2 Nb3–+) 24.Qa4+= Bd2 25.Rd1 Ba5 26.Rc1= Rc8 27.Rc6 Nd5 28.f4 Ne7 29.Rc4 Qd5 30.fe5 Rc4 31.Qc4+/– Qe5 32.Qd4 Qd4 33.Bd4 Nd5 34.Be5+– 1–0. Krejci,Sen (2205) – Postupa,Pavel (2035), Nahod CZE, NIKI Open, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Bg2 c6 7.cd5 cd5 8.0-0)

9.Qb3 Nb6 10.d3 Bd7 (10...Bg4 11.Rd1=) 11.a4 (11.Rc1 Bg4=) 11...e6 (11...Na4 12.Ra4 Ba4 13.Qa4=) 12.Rc1 (12.b5 Rc8=) 12...Rc8 (12...Ba4 13.Ra4 Na4 14.Qa4+=) 13.Nc3 Qe7 14.b5 Rfd8 15.a5 Na8 16.Ne5 Qe8 17.d4 Bf8 (17...Nh5 18.Nf3+=) 18.e3 Bd6 19.Nd7 (19.Nd3 Bf8+=) 19...Qd7= (19...Nd7 20.e4 Nf8 21.ed5+–) 20.e4 Bf8 21.e5 Ne8 22.Bf1 Ng7 23.b6 Nf5 (23...ab6 24.ab6 Nf5 25.Rd1=) 24.Na4 (24.ba7!? Nd4 25.Qd1+=) 24...ab6= 25.ab6 Rc1 26.Rc1 Rc8 27.Nc5 Qe8 28.g4 Ne7? (28...Nh4 29.Bb5 Qd8 30.Nd7= (worse is 30.Nb7 Rc1 31.Bc1 Qb6-/+)) 29.Ra1 Qc6 30.Bb5 Qb6 31.Nd7 Qd8 32.Nf6 Kh8 33.Qh3 h6 34.Bc1 Ng8 35.Bh6 (35.Bh6 Nh6 36.Bd7+=) 1–0. Airando,Martin (2305) – Ferraro,Carlos (2170), Buenos Aires Intercoop, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Nbd7)

9.d3 b6 10.Nc3 Bb7 11.Rc1 e5 12.Nb5 Qe7 (12...Ne8 13.Nd2=) 13.Qb3 (13.Rc7 Qb4 14.Qb3 Qb3 15.ab3 Ba6 16.Na7 e4 17.de4 de4= (worse is 17...Be2 18.e5+/–)) 13...a6= 14.Rc7 Rab8 15.Na7 Qd6 Black intends d4 16.Rfc1 d4?? (better is 16...e4 17.de4 de4+=) 17.Nc6+/– Rfc8 18.Rb7 (18.Nb8?! Rc7 19.Rc7 Qc7 20.Nd7 Nd7=) 18...Rb7 19.Ne7! Qe7 20.Rc8 Bf8 (20...Nf8 21.Ne5! Rc7 22.Nc6+–) 21.Nd4 ed4 22.Bb7 Qe2 23.Bd4 h5 (23...a5 24.ba5 ba5 25.Bc6+–) 24.Qb2 Qe6 25.Qa1 (better is 25.Ba6 Ne8+–) 25...Kg7 (25...Ne8 26.Ba6 Nd6+–) 26.Rc6 Bd6 (26...Qe7 27.Ba6 h4 28.Bc8+–) 27.Bc8 1–0. Dragicevic,Drazen (2300) – Tryggestad,Andreas Garberg (2075), Deltalift Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Nbd7)

9.d3 b6 10.Nbd2 Bb7 11.Qa4 a5 12.Rfc1 ab4 13.Qb4 e6 14.Nd4 Nc5 15.a4 Nfd7 16.N2b3 Qb8 ½–½. Kalista,Karel (2070) – Kudlacek,Jaroslav (2035), Klatovy op–A, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5)

9.d3 b6 10.Nbd2 Bb7 11.Qb3 Rc8 12.Rac1 Rc1 13.Rc1 Qb8 14.a4 Rc8 15.Rc2 e6 16.a5 Rc2 17.Qc2 Qc8 18.Qc8 Bc8 19.Nd4 Ne8 20.ab6 ab6 21.N2b3 Nc7 22.Bc1 Bf8 23.Bd2 e5 24.Nc2 Bb7 25.d4 e4 26.Bh3 Bc6 27.Nba1 Bg7 28.e3 Bf8 29.Na3 Nb8 30.N1c2 f6 31.Bf1 Kf7 32.b5 Bb7 33.Bb4 Bb4 34.Nb4 Ke6 35.Bh3 Kd6 36.Kf1 f5 37.Ke1 Bc8 38.Bf1 g5 39.h4 gh4 40.gh4 Ke6 41.Nb1 Ne8 42.Nc3 Nf6 43.Na4 Nbd7 44.Be2 f4 45.Bd1 Kf5 46.Nc3 Bb7 47.Bb3 fe3 48.fe3 Kg4 49.Ncd5 Kh4 50.Nf4 Kg3 51.Ke2 h5 52.Be6 h4 53.d5 Nc5+= 54.Nc6 Ne6-/+ 55.de6 h3 56.Nh3 Kh3–+ 57.Nd8? Bc8 58.e7 Bd7 59.Nf7 Bb5 60.Kf2 Be8 61.Nd6 b5 62.Nc8 Kg4 63.Nd6 Bc6 64.Ke2 Ne8 65.Nf7 Kf5 66.Kd2 Kf6 67.Nh6 Ke7 68.Nf5 Kf6 69.Nd4 Bd7 70.Kc3 Ke5 71.Kb4 Nd6 72.Kc3 Kd5 73.Kb4 Nc4 74.Ne2 Ke5 0–1. Sedova,Evgenia (1850) – Gvilava,Maya (2055), RUS–chB U18 Dagomys, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Nbd7)

9.d3 b6 10.Nbd2 Bb7 11.Rc1 a5 12.b5 Nc5 13.a4 Rc8 14.Rc2 Re8 15.Qa1 Qd6 16.Rfc1 Nh5 17.Bg7 Ng7 18.d4 Nd7 19.Rc8 Rc8 20.Rc8 Bc8 21.Qc3 Bb7 22.Nb3 Ne8 23.Nc1 Nef6 24.Nd3 Ne4 25.Qc2 f6 26.Bh3 Kg7 27.e3 Nf8 28.Nfe1 Qd8 29.Nf4 Qd6 30.Bg2 Qd7 31.Ned3 g5 32.Ne2 Ng6 33.Nb2 Nd6 34.Qc1 h5 35.h3 h4 36.g4 e6 37.f4 Qe7 38.Kf2 Qd8 39.Qc2 Qc8 40.Qc8 Bc8 41.fg5 fg5 ½–½. Forget,Luc – Masse,H (2095), CAN QC Open Montreal CAN, 2002.

9.d3 Nb6 10.a4 (10.Qb3 Be6=) 10...Bd7 (10...a5 11.ba5 Ra5 12.Bc3=) 11.b5 (11.a5 Nc8 12.Nbd2 a6+=) 11...Rc8 12.Nbd2 Re8 13.Qb3 Bg4 14.Rac1 Bh6 (14...Qd6 15.a5 Nbd7 16.h3 Bf3 17.Bf3=) 15.e3 Nbd7 16.Rc8 Qc8 17.Rc1 Qd8 (17...Qb8 18.h3 Bf3 19.Nf3+/–) 18.Ne5 Be6 19.Qa3 Ne5 20.Be5 Ng4 21.Bd4 Bf5 22.h3 (22.a5!? b6 23.ab6+/–) 22...e5= 23.Bc5 Nf6 24.d4 e4 Black wins space 25.Kh2 b6 26.Bd6 Bf8 27.Bf8 Rf8 28.Qc3 Qd6 29.Qc6 Qb4 30.Qf6 Qd2 31.Rc7 Qa5 32.Qc6 Be6 33.Qc2 a6 34.Bf1 Qe1 35.Qe2 Qa5? 36.ba6+– Qa4? 37.Qb5 Qd1 38.Kg2 Qh5 39.Kh2 White king safety improved Qf3?? 40.Qe2+– Qe2 41.Be2 Rc8 42.a7 Rc7 43.a8Q Kg7 44.Qa6 Rc2 45.Kg2 1–0. Wiebe,Patrick Martin – Holmboe,Jan Raymond, Kiel op, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.d3 Re8 10.Na3 Nb6 (10...a5 11.b5=) 11.Qb3 (11.Rc1 Bg4+=) 11...Bd7 12.Bd4 (12.b5 Ng4=) 12...Ba4= 13.Qb2 Nh5 (13...Qd6 14.Rac1=) 14.Rac1+= f6 (14...Bd4 15.Nd4 a6 16.Nf3+=) 15.Nd2 (15.e3 Bf8+=) 15...e5 16.Bb6 (16.Bc5 Qd7+=) 16...ab6= 17.Nab1 e4 18.de4 (18.a3 ed3 19.ed3 f5=) 18...de4 19.a3 (19.Be4? f5 20.Nc3 fe4–+ (20...Re4?! 21.Nde4 fe4 22.Qb1 Bc3 23.Rc3-/+); worse is 19.Ne4 Re4! 20.Be4 f5-/+) 19...f5 20.Qa2 (20.Nc3 Kh8+=) 20...Kh8 21.Nc3 Bd7 22.Rfd1 (22.Nb3 Be6 23.Rfd1 Qe7-/+) 22...Be6 23.Nc4 Qg5 Black intends f4 24.h4 (24.Nb5 f4 25.Nbd6 fg3 26.hg3–+ (26.Ne8?? gf2 27.Kf2 e3 28.Ne3 Qf4 29.Bf3 Ba2 30.Ng7 Kg7–+; 26.fg3?? Bd4 27.e3 Be3 28.Kh1 Bc4 29.Qb2 Kg8–+)) 24...Qh6-/+ 25.Nb5 (25.Kh2!?-/+) 25...e3–+ 26.Qb3? (better is 26.Bb7 ef2 27.Kg2–+) 26...ef2 27.Kf2 f4 28.e3 (28.gf4 Nf4 29.Qg3–+) 28...Bc4 (worse is 28...fg3 29.Kg1 Bc4 30.Qc4 Qe3 31.Kh1–+) 29.Qc4 (29.Rc4 fe3 30.Ke1 Be5–+) 29...fg3 (29...fe3 30.Kg1 e2 31.Qd3 ed1Q 32.Rd1–+ (32.Qd1 Qe3 33.Kh2 Qg3 34.Kg1 Qe3 35.Kh1 Ng3 36.Kh2 Ne2 37.Qd6 Qc1 38.Nd4 Bd4 39.Qd4 Nd4 40.a4 Qf4 41.Kh1 Re1 42.Bf1 Qf2 43.a5 Rf1)) 30.Kg1 Qe3 31.Kh1 Nf4 32.Nd6 Rf8 33.Nf7 Rf7! 34.Qf7 Ng2 (34...Rf8 35.Qd7 Ng2–+ (35...Qa3?! 36.Rc8 Qb4 37.Rf8 Bf8 38.Qd4 Qd4 39.Rd4+=)) 35.Rc7+= Rg8 36.Re7 Qh6 (36...Qa3?? 37.Re8 Bf8 38.Rf8 Rf8 39.Qf8) 37.Kg2 Qh4 38.Rh1 Qd4 39.Re8 Qd2?? (better is 39...Qf2 40.Qf2 gf2+=) 40.Kh3+– Qh6 (40...Bf8 41.Qf6 Bg7 42.Rg8 Kg8 43.Qe6 Kf8 44.Rf1 Qf2 45.Rf2 gf2+–) 41.Kg4 (41.Kg4 Re8 42.Qe8 Bf8 43.Rh6 Kg7 44.Kg5 Bb4 45.Qd7 Kg8 46.ab4 g2 47.Kf6 g1Q 48.Qg7) 1–0. Lercel,Michal (2240) – Miller,Dominic (2015), London Classic Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Nbd7)

9.d3 Re8 10.Nc3 a5 11.b5 Nb6=.

9.d3 Re8 10.Nbd2 e5 11.e3 b6 12.Qb3 a5 13.a3 a4 14.Qc2 Ba6 15.Rfe1 Qe7 16.Bf1 e4 17.de4 Bf1 18.Kf1 de4 (18...Ne4?! 19.Bg7 Kg7 20.Rac1=) 19.Nd4 Qe5 20.Kg2 Qh5 21.Nc6 Re6 22.h3 h6 23.Nd4 Ree8 24.Nc4? (24.Rac1 b5=) 24...Kh7?? (better is 24...Rec8 25.b5 Ne5–+) 25.Qe2 Qe2 26.Ne2 Ng8 (better is 26...Re7!?=) 27.Bg7 Kg7 28.Rad1 Ngf6 29.Rd4 b5 30.Nd6 Re5 31.Nc3 Rb8 32.Rc1 h5 33.Nce4 Ne4 34.Ne4 Nb6 35.Nd6 1–0. Spiridonov,Nikola (2405) – Rue,Pascal (2100), Bourbon Lancy op, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.c4 0-0 6.Bg2 d5 7.cd5 cd5 8.0-0 Nbd7)

8.0-0 Bg4

9.a3 Qd6=.

9.Qb3 Nc6 10.Na3 a6 11.Nc2 Qd6 12.Ne3 Bd7 (12...Nb4 13.Be5 Qe6 14.Bf6 Bf6 15.Qb4 Ba1 16.Ra1 (16.Ng4?! Bg7+=; 16.Qg4?! Qg4 17.Ng4 Bg7+=) 16...Bf3 17.Bf3+– (17.ef3?! Rfd8+=); 12...Qb4?! 13.Qb4 Nb4 14.Bf6 Bf3 15.Bg7 Bg2 16.Bf8 Bf1 17.Be7=) 13.a3 Rfc8 14.Rac1 e6 15.d3 a5 16.b5 a4 17.Qa2 Na5 18.Be5 Qe7 19.Qb2 Nb3 20.Rc8 Rc8 21.Nd4 Rc5 22.b6 Nd4 23.Qd4 Rc8 24.f4 Qc5 25.Rb1 Qd4 26.Bd4 Ne8 27.Bg7 Kg7 28.Rb2 Rc3 29.Nc2 Rb3 30.Ra2 Rb6 31.Nb4 Nd6 32.Kf2 Nb5 33.Ke3? d4–+ 34.Kd2 Na3! (34...Na3 35.Nc2 Nc2 36.Rc2 Rb1–+) 0–1. Janata,Michael – Liebert,Heinz, EU–chT (Men), 1970. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.b5 Nbd7 10.Nc3 (10.Qb3 Rc8=) 10...Bf3+= 11.ef3 (11.Bf3 Ne5+=) 11...e6 (11...a6 12.ba6 Ra6 13.Re1+=) 12.Re1 Nb6 (12...a6 13.a4+=) 13.d3 Re8 (13...Rc8 14.Rc1+=) 14.a4= Rc8 15.a5 Nbd7 16.Ne2 (16.a6 Qb6+=) 16...Nc5 (16...b6 17.Qd2+=) 17.h3 (17.Be5 b6=) 17...a6 (17...b6 18.ab6 Qb6 19.Rb1+=) 18.b6= Ncd7 19.Rc1 Nb8 (19...Rc1 20.Qc1 Qb8 21.f4=) 20.Rc8+= Qc8 21.Qa1 Nh5 22.Bg7 Ng7 23.Rc1 Nc6 24.Nd4+/– Qd7 25.Nc6 bc6 26.f4 Nf5 27.Qf6 Nd6 28.d4 Nb7 29.Bf1 Ra8 30.h4 h5? 31.f5+/– gf5 32.Qg5 Kf8 33.Qh5 Ke7 34.Qg5 Kd6 35.h5 Na5? 36.Qd2+– Nb7 37.Qb4 c5 38.dc5 Ke5 39.c6 Qd6 40.Qf4 Kf6 41.Qh6 Ke7 Plans Na5 42.cb7 Qg3 43.fg3 (43.fg3 Rh8 44.Rc7 Kd6 45.Qf4 e5 46.Qb4 Ke6 47.Qe7) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Nc3 Nc6 10.b5 Bf3 11.Bf3 Ne5 12.Bg2 Nc4 13.Rb1 Ne4 14.Be4 de4 (worse is 14...Nb2 15.Rb2 de4 16.Qa4=) 15.Bc1 e3 16.Ne4 ed2 17.Nd2 ½–½. Haub,TM (2370) – Moehring,G (2300), KB Czech Open Pardubice CZE, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.d3 a6 10.Na3+=.

9.d3 Qb6 10.a3 a5 11.Nc3=.

9.d3 Qb6 10.a3 a5 11.Bd4 Qd6 12.b5 a4 13.Bc3 Qb6 14.Bb4 Re8 15.Nc3 d4 16.Na4 Qb5 17.Nc5 Nc6 18.Qb3 b6 19.Ne5 Ne5 20.a4 Ra4 21.Qa4 Qa4 22.Na4 Be2 23.Rfe1 Nd3 24.Re2 Nb4 25.Nb6 d3 26.Rd2 Nd7 27.Ra8 Ra8 28.Na8 f5 29.Nc7 Nb6 30.Bf1 Nc4 31.Rd3 Nd3 32.Bd3 Nb2 33.Bc2 e5 34.f3 Kf7 35.g4 fg4 36.fg4 Ke7 37.Kg2 Nc4 38.Kf3 Kd7 39.Nd5 Kd6 40.Nc3 Kc5 ½–½. Benko – Uhlmann, Monaco 1968.

9.d3 Qb6 10.a3 a5 11.Bd4 Qd6 12.b5 Nbd7 13.a4 e5 14.Bb2 Rfc8 15.h3 Bf3 16.Bf3 b6 17.Nd2 Rc7 18.Rc1 Rac8 19.Qb3 Nc5 20.Qa3 Qe6 21.Bg2 Bh6 22.Rc2 Na4! 23.Rc7 (23.Qa4 Rc2) 23...Rc7 24.Qa4 Bd2 25.f4? (better is 25.Rd1!? Bc3 26.Rc1-/+) 25...ef4–+ 26.Rf4? (better is 26.Bf6 Qf6 27.gf4 Be3 28.Kh1–+) 26…Qe2 (26...Qe2 27.Rf6 Be3 28.Kh2 Rc2 (28...Qb2?! 29.Rc6 Re7 30.h4–+) 29.Qc2 Qc2–+; 26...Bf4?! 27.Qf4 Ne8 28.Qd4=) 0–1. Finch,Michael – Hegoburu,Pedro Federico, CAPA–AUS match, 1997. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Bg4)

9.d3 Qb6 10.a3 Bf3 11.Bf3= a5 12.Nd2 (12.Nc3 Nc6=) 12...ab4 (12...Nc6 13.b5 Qb5 14.Rb1=) 13.ab4 (13.Qb3 Nc6=) 13...Nc6 14.Rb1 (14.Bc3 Nd4= (14...Nb4?? 15.Rb1+–)) 14...Nd4 (14...e6 15.e3+=) 15.Bg2 e6 (15...Rfd8 16.e3 Nf5 17.Nb3=) 16.e3 Nb5 (16...Nf5 17.e4 Ne7 18.Nb3+=) 17.Qb3= Rfc8 18.Rfc1 Ne8 (18...Ng4 19.Rc8 Rc8 20.d4=) 19.Bg7 (19.d4 Ned6=) 19...Rc1 (19...Ng7 20.Qb2=) 20.Rc1 Ng7 21.Qb2 Nf5 22.e4 (22.Nf3 Nfd6=) 22...Nfd4 (22...Qd4 23.Qc2 de4 24.Ne4+=) 23.Nf1 (23.Rc5 Qd6 24.Nf3 de4 25.de4 Nf3 26.Bf3 Nd4+=) 23...de4+= 24.de4 Ra3 (24...Nc6+=) 25.Ne3 (better is 25.Rc8!? Kg7 26.Rc5=) 25...Rb3-/+ 26.Rc8 (26.Qd2 Nc3 27.Kh1 Qb4-/+) 26...Kg7 27.Qd2 (27.Qa1 Nd6 28.Rc1 f6-/+) 27...Qd6 (27...Rb1!? 28.Nf1 Nd6 29.Ra8–+) 28.Nf1 (28.Qe1 Qb4 29.Qb4 Rb4-/+) 28...Rb1 (28...e5 29.h4–+) 29.Qg5 (better is 29.Qe3–+) 29...Rb4?? (better is 29...e5–+) 30.e5+– Ne2 (30...Qd7 31.Qf6 Kh6 32.Rf8+–) 31.Kh1 Qd7 (31...Qf8 32.Qf6 Kg8 33.Rf8 Kf8 34.Bb7+–) 32.Rd8 (32.Qf6 Kh6 33.Rg8+–) 32...Qc7 (32...Qd8 33.Qd8 Rb1 34.h4+–) 33.h4 (33.Qf6 Kh6 34.Rg8+–) 33...Rd4 (33...Qd8 34.Qd8 Nec3+–) 34.Qf6 Kh6 35.Qg5 (35.Rg8 Qe5 36.Qe5 Ng3 37.fg3 Rh4 38.gh4 f5 39.Ng3 Nd4 40.Qg7) 35...Kg7+– 36.Qf6 Kh6 37.Rg8 Qc1 (37...Ng3 38.fg3 Qe5 39.Qe5 f6 40.Qf6 Rd5 41.Bd5 ed5 42.Qg5) 38.Qg7 Kh5 39.Bf3 (39.Bf3 Rg4 40.Qh7 Qh6 41.Rh8 Ng3 42.fg3 Qh7 43.Rh7) 1–0. Forsaa,Espen (2320) – Kaasen,Tor Fredrik (1940), Norway, Codanserien Rounds 1–6, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Bg4)

9.d3 Nbd7 10.Nbd2 (10.Qb3 Qb6=) 10...Qb6 11.Qb3 Rfc8 12.h3 (12.Rfc1 a5=) 12...Bf3 13.Nf3 e6 (13...a5 14.ba5 Qa5 15.Rfc1= (15.Qb7?? Rab8 16.Rac1 Rb7 17.Rc8 Bf8–+)) 14.Rfc1 (14.Bd4 Qd6+=) 14...Ne8= 15.Rc8 (15.a4 a5 16.b5 Rc1 17.Rc1 Nc5=) 15...Rc8 16.Rc1 Rc1 (16...Nc5 17.Rc5 Rc5 18.bc5 Qb3 19.ab3 Bb2 20.d4=) 17.Bc1 Bf8 (17...Nd6 18.Be3 Qc7 19.Bf4= (19.Ba7? b6–+)) 18.Bd2 (18.Qa4 Qc7 19.Bf4 Bd6 20.Qa7 Bf4 21.gf4 Nd6+=) 18...Nd6 19.Be3 (19.Bf4 Bg7=) 19...Qc7 20.a4 (20.Bf4 Bg7=) 20...Nf5 21.Bd2 (worse is 21.Ba7 b6 22.e4 de4 (22...Qa7?! 23.ef5 gf5 24.Bf1=) 23.de4 Ng7 24.Bb6 Qb6-/+) 21...Ne5 22.Qc3 (22.Ne5 Qe5 23.e4 Nd4=) 22...Nf3 23.Bf3 Qc3 24.Bc3 Bg7 25.Bg7 Kg7 26.e3 Kf6 27.Kf1 b6 (27...h5 28.Ke2=) 28.Ke1 Ke7 29.Kd2 Kd6 30.d4 a5 31.ba5 ba5 32.Be2 (32.Kd3 Ne7=) 32...f6 33.g4 (33.Bd3 Ne7=) 33...Ne7 34.Bb5 (34.h4 e5=) 34...g5 35.Be8 (35.f4 h6=) 35...h6 36.Kd3 e5 37.Kc3 e4 38.Kd2 f5 39.Ke2 Ke6 ½–½. Okrajek,Alexander (2230) – Seger,Ruediger (2360), 27th Schwert von Luelsdorf, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Bg4)

9.h3 Bf3 10.ef3 Nbd7 11.f4 e6 12.Qb3 Ne8 13.Nc3 Nd6 14.d3 Nf5 15.Ne2 Bb2 16.Qb2 Qf6 17.Qf6 Nf6 18.g4 Nd6 19.Nd4 a5 20.a3 Rfc8 21.Rfc1 Rc1 22.Rc1 ab4 23.ab4 Ra4 24.Rb1 Kf8 25.Kf1 Ke7 26.Ke2 Nfe8 27.Ke3 Nc7 28.b5 (28.g5 Ncb5=+) 28...Ra3 29.Kd2 Ra5 30.b6 Ncb5 31.Nb3 Ra2 32.Ke3 Na3 33.Rc1 Nc2 34.Kf3 Rb2 35.Bf1 Rb3 36.Rc2 Rb6 37.Rc1 Rb2 38.Ra1 h5 39.Ra7 hg4 40.hg4 Kd7 41.Ke3 Kc7 42.Ra8 b5 43.Bh3 (43.d4 Kb7 44.Rd8 Kc6-+) 43...Rb4 (43...b4 44.Bg2-+) 44.Ra7 Kb6 45.Rd7 Kc6 46.Re7 Ra4 47.Kf3 (47.g5-+) 47...b4 48.f5 b3 49.fg6 fg6 0-1. Teclaf,Pawel (2380) - Kriebel,T (2515), 34th Voivoda Cup, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0)

9.h3 Bf3 10.Bf3 Qb6 11.Qa4 Na6 12.a3 Nc5 13.Qd1 (13.bc5 Qb2 14.Qb4 Ne4 15.Qb2 Bb2=) 13…Ncd7 ½–½. Redolfi,Rodolfo Argentino (2515) – Engel,Klaus Eberhard (2465), corr ICCF John F Cleeve Memorial, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0)

9.h3 Bf3 10.Bf3 Nc6 11.b5 Na5 12.d3 Qd7 13.Qa4 b6 14.g4 Rac8 15.Na3 e6 ½–½. Hallerod,R (2125) – Revelj,O (2160), Stockholm SWE, Summer Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Bg4)

9.h3 Bf3 10.Bf3 Qd6 11.Bg2 e6 12.a3 a5 13.b5 Nbd7 14.d3 Rfc8 15.e4 Rc7 16.Nd2 de4 17.de4 Qb6 18.Qe2 Nh5 19.Bg7 Kg7 20.Kh2 Nhf6 21.Rac1 Rac8 22.Rc7 Rc7 23.f4 e5 24.Nf3 Qc5 25.Rd1 ef4 26.gf4 Nh5 27.Qb2 Kg8 28.Ne5 Ne5 29.Qe5 Qe5 30.fe5 Nf4 31.Bf1 Ne6 32.Kg1 Rc3 33.Rd7 ½–½. Bendig,Frank (2205) – Garcia,Manuel Valentim Per (2100), BI–2007–F–00003, 2008. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5 cd5 8.0-0)

9.h3 Bf5 10.g4 Bd7 11.d3 Na6 12.a3 Nc7 13.Nbd2 Ne6 14.e3 h5 15.g5 Ne8 16.Bg7 N8g7 17.h4 Bc6 18.Ne5 Be8 19.Qb3 Nc7 20.e4 Qd6 21.Nef3 b5 22.e5 Qd7 23.d4 Nf5 24.Qd3 Ne6 25.Nb3 Nf4 26.Qd2 (better is 26.Qd1!?=) 26...Ng2-/+ 27.Nc5? (27.Kg2 Nh4! 28.Nh4 Qg4 29.Kh2 Qh4 30.Kg2 Qg4 31.Kh2 Bd7-/+) 27...Qc8?? (better is 27...Ngh4 28.Nh4 Nh4 29.Nd7 Nf3 30.Kg2 Nd2 31.Nf8 Nf1 32.Ng6 fg6 33.Kf1 a5–+) 28.Kg2+= Nh4 29.Nh4 Qg4 30.Kh2 Qh4 31.Kg2 Qg4 32.Kh2 Bd7 33.Qe3 Qh4 34.Kg2 Qg4 35.Kh2 Bc6 36.f3 Qc8 37.Qd3 Bd7 38.Rac1 Qd8 39.e6 Be6 40.Qb5 Qd6 41.Kg2 Qf4-/+ 42.Rcd1 Qg5 43.Kf2 Qh4 44.Ke3 g5 45.Qe2 Qf4 46.Kd3 Bf5 47.Kc3 Rfe8 48.Qe5 Qe5 49.de5 e6 50.Kd4? Kg7–+ 51.Rh1 Kg6 52.Rd2 g4 53.Rdh2 Rh8 54.fg4 Bg4 55.Rf1 Rac8 56.Rf6 Kg7 57.Rf4 Rc7 58.Rg2 Rhc8 59.Rf1 a5! 60.Rh1 ab4 61.ab4 Kg6 62.Rc1 Rb8 63.Kc3 f5 64.ef6 Kf6 65.Kb3 Ke7 66.Ka4 Kd6 67.Rgc2? Ra7 68.Kb3 Rba8 69.b5 Ra3 70.Kb4 Rf3 71.Na6 Rf4 72.Ka5 d4 73.Kb6 d3 74.Rd2 Rd4 75.Rc6 Kd7?? 76.Rc7 Kd8 77.Kb7?? Bf3–+ 78.Kb6 Rd6 79.Kc5 Raa6 80.Rf7 Rd5 81.Kb4 Rb6 82.Rf3 Rbb5 83.Kc4 Rbc5 84.Kb4 Rc2 85.Rdd3 Ke7 86.Rh3 Rdc5 87.Rd1 e5 88.Rh5 Ke6 89.Kb3 Rc8 90.Kb4 ½–½. Jiretorn,Ingvar – Verendel,Jan, Karlskrona op, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 cd5 8.0-0 Bg4)

7.cd5 Nd5

8.Qb3 Qb6 9.a4 (9.Bg7 Kg7 10.a3 a5=) 9...a5 (better 9...Qb4!? 10.Qb4 Nb4 11.Bg7 Kg7-/+) 10.Bg7= Kg7 11.Qb2 Kg8 12.e4 (12.b5!?=) 12...Nf6-/+ 13.Nc3 (13.b5!? Ne4 14.0-0-/+) 13...ab4-+ 14.0-0 b3?? (better 14...Nbd7 15.e5 bc3 16.Qb6 Nb6 17.ef6 ef6 18.dc3 Ra4-+) 15.e5+= Nh5 16.d4 (16.Ra3!?+=) 16...Rd8 (16...Be6 17.Ra3=+) 17.Ne4 (17.Ra3 Be6 18.d5 Bd5 19.Nd5 cd5 (worse 19...Rd5 20.Rb3 Qa5 21.Rb7+/-) 20.Rb3 Qa6+=) 17...Na6=+ 18.Rac1 (better 18.Ned2!?=+) 18...Be6-/+ 19.Rc3 Bd5 20.Re1 (20.Ned2 c5 21.Nc4 Qa7-/+) 20...Ng7-+ 21.Ree3 (21.Ned2 c5 22.Nc4 Bc4 23.Rc4 cd4-+) 21...Nc7 (better 21...Nf5!? 22.Rb3 Qa5-+) 22.Rb3-/+ Bb3 23.Rb3 Nb5?? (better 23...Qa7 24.Rb7 Qa4-+) 24.Nc3 (better 24.ab5 Nf5 25.Rb4+-) 24...Qa7 25.Nb5?? (better 25.ab5 Ne6 26.bc6 bc6 27.Ne2 Qa1 28.Qa1 Ra1 29.Bf1+/-) 25...cb5-/+ 26.Bh3? (better 26.Rb5 Qa4 27.Bf1-/+) 26…b4 0-1. Krishna,CRG (2455) - Navalgund,N (2230), 57th ch-IND, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

8.Bg7 Kg7

9.a3 Qd6 10.Nc3 Nc3 11.dc3 Qf6 12.Qd4 Na6 13.Qf6 Kf6 14.0-0-0 Be6 15.e4 Bc4 (better is 15...Rad8!?+=) 16.e5+– Kg7 17.Rd7 Rab8 18.Re7 Be6 (18...Rfd8!? 19.Rd1 Rd1 20.Kd1 Bd5+–) 19.Ng5 Bf5 20.Rd1 h6 21.Ne4 Rfe8 22.Re8 Re8 23.f4 Re7 24.Nf6 Nc7 25.g4 Be6?? (25...Ne6 26.gf5 Nf4+–) 26.Rd8 h5 (26...Ne8 27.Ne8 Re8 28.Re8 Bg4+–) 27.Rg8 (27...Kh6 28.g5) 1–0. pierre – arieszodiac, internet, 2007.

9.a3 Nd7 10.Nc3 N7f6 11.0-0 a6 12.Qc2 Bf5 13.d3 Be6 14.Ne4 Ne4 15.de4 Nf6 16.e5 Nd5 17.Nd4 Qd7 18.e4 Nc7 19.Rad1 Qe8 20.f4 Rd8 21.Ne6 fe6 22.Rd8 Qd8 23.Rd1 Qc8 24.Qc5 Kf7 25.h3 Rd8 26.Rd8 Qd8 27.Qb6 Qd1 28.Kh2 Nb5 29.Qb7 Nd4 30.Qa6 Qd2 31.h4 Nf3 32.Kh1 Qf2? 33.Qf1 Qf1 34.Bf1 Nd2 35.Bd3 Nf3 36.a4 Ne1 37.a5 Nd3 38.a6 Nb4 39.a7 Na6 40.a8Q Nc7 41.Qc6 (41...Ne8 42.h5+–; 41.Qh8 h5 42.Qh7 Kf8+–) 1–0. Trkn – guest559, ICC, 2004.

9.Qa4 Qd6 10.a3 (10.b5 a6 (10...Qf6 11.d4 a6 12.ba6 Na6 13.e4 Bh3 14.0-0 Ndc7 15.e5 Qf5 16.Bh3 Qh3 17.Qb3= –0.25) 11.bc6 (11.Qd4 f6 12.bc6 Nc6 13.Qb2 e5 14.Nc3 Nc3 15.Qc3 Be6 16.Qb2 b5 17.0-0+= –0.47) 11...Nc6 12.Qa3 Qa3 13.Na3 Rd8 14.d3 Ndb4 15.0-0 Be6 16.Nc4 b5 17.Nce5+= –0.41) 10...e5 (10...Bg4 11.Nc3 (11.0-0 Qf6 12.Ra2 Rd8 13.Rc1 Nb6 14.Qa5 Rd5 15.Rc5 Bf3 16.Bf3 Rd4 17.d3= –0.03) 11...Bf3 12.Bf3 Nd7 13.Nd5 cd5 14.0-0 e5 15.Rac1 Nb6 16.Qb5 Rfc8 17.Bg2= 0.03) 11.d3 (11.Nc3 f5= 12.Nd5 Qd5 13.Qc2 e4 14.Qc3 Kg8 15.Ne5 Be6 16.d3 a5 17.0-0+= 0.34; 11.Qc2 a5 12.ba5 Ra5 13.0-0 Bg4 14.Nc3 Nd7 15.Rfb1 N5b6 16.Rb3 Rfa8 17.a4= 0.00) 11...b5 (11...Qf6 12.Ra2= Bf5 13.Qc2 Na6 14.Qb2 Rfe8 15.Nbd2 Nb6 16.0-0 Rad8 17.Rc1= 0.00) 12.Qb3 (12.Qa5 A) 12...Qf6 13.Ra2 Bg4 (13...Be6+= 14.Rc2 Bg4 15.Nbd2 Bf3 16.Nf3 Re8 17.0-0+= 0.66) 14.Rc2 Bf3 15.Bf3 Qd8 16.Nc3 Qa5 17.ba5+= 0.38; B) 12...f5 13.Nbd2 Re8 14.Rc1 e4 15.de4 fe4 16.Nd4 e3 17.N2b3= 0.22) 12...a5+= 13.e4 (13.ba5 Be6 (13...Ra5 14.Nc3 Bg4 15.0-0 Nd7 16.d4 Bf3 17.Bf3= 0.00) A) 14.0-0 Ra5= (14...Nd7 15.Rc1 Ra5 16.Qc2 Ra6 17.d4= 0.00) 15.Nc3 Nd7 16.d4 Rfa8 17.Ne4= –0.25; B) 14.Qb2 Nd7 15.d4 f6 16.0-0 Ra5 17.Nc3= –0.12) 13...Nc7 14.ba5 f6 15.0-0 (15.Qc3 Rd8 16.Bf1 c5 17.Nbd2+= –0.56) 15...Ne6 (15...Ra5 16.Qc3 (16.Nc3-/+ c5 17.Ne2-/+ –0.91) 16...Ra4 17.Qb2-/+ –0.81) 16.Rd1 (16.Qc3 Rd8 17.Rd1+= –0.47) 16...Ra5 17.Nc3 (17.Qc3-/+ –0.78) 17...Nd4 (17...Rd8 18.a4 b4 19.Ne2-/+) 18.Nd4+= ed4 19.Ne2 Ra4 20.f4 Be6 21.Qb2 Nd7 22.Re1 Rb8 23.h4 c5 24.h5 b4 25.ab4 Rab4 26.Qc1 Bg4 27.h6 Kh6 28.e5 Qb6 29.e6 Rb2 30.ed7 Be2 31.Qc4 Rd8+= 32.Ra8? Bg4 33.Rd8?? Qd8 34.Qf7+– Qa5? 35.Qf8 Kh5 36.Qe7 Bd7 37.Qh7 (37.Qh7 Kg4 38.Qg6#) 1–0. Moor,R (2385) – Gaule,P (2110), Christmas Open, Zurich SUI, 2001. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.Nf3 d5 7.cd5)

9.Qa4 Re8 10.b5 A) 10...a6 11.Qd4 (11.bc6 Nc6 12.Nc3 e5 13.0-0 Be6 14.Qa3 Rc8 15.Ne4 Qe7 16.Qe7 Re7 17.Rfc1= –0.06) 11...f6 12.bc6 Nc6 13.Qb2 e5 14.0-0 h6 15.d3 Qb6 16.Qb6 Nb6 17.Nc3= 0.00; B) 10...e5 11.Nc3 (11.bc6 Nc6 12.Nc3 Nb6 13.Qh4 Qh4 14.Nh4 g5 15.Nf3 h6 16.h4 g4 17.Nh2+= –0.31) 11...Nc3 12.dc3 Qb6 13.bc6 Qb2 14.0-0 Nc6 15.Ng5 Qe2 16.Bc6 bc6 17.Qc6= –0.19.

9.Qa4 Re8 10.Nc3 e5 11.Nd5 (11.0-0 e4 12.Ne1 Bf5 13.Rd1 Nd7 14.Nd5 cd5 15.Qb3 Nf6 16.d3 a5 17.b5= –0.12) 11...Qd5 12.Qa3 Bg4 13.d3 Bf3 14.Bf3 Qd6 15.Rb1 Nd7 16.Qa5 a6 17.0-0= –0.09.

9.Qb3 a5 10.b5 a4 11.Qb2 f6 12.bc6 Nc6 13.d4=.

9.Qb3 a5 10.b5 cb5 11.Qb5+= Nc6 12.0-0 Qd6 13.Qb2 Kg8 14.Na3 Rb8 15.Rfc1 Qb4 16.Rab1 Qb2 17.Rb2 Be6 (17...Bg4!?+=) 18.Ng5+/- Nd4 19.Ne6 fe6 (19...Ne2 20.Kf1 Nc1 21.Nf8+/-) 20.Kf1 Rfc8 21.Rcb1 Nb4 22.e3 Nf5 23.Nb5 Rc5 24.Nc3 Nd6 25.Ne4 Ne4 26.Be4 b5 27.a3 Na6 28.d4 Rc3 29.Rb5 Rb5 30.Rb5 Ra3 31.Rb6 Nb4 32.Re6 a4? (better 32...Kf7!? 33.Rb6 Na2+/-) 33.Re7+- Ra1 34.Kg2 a3 35.Rb7 a2 (35...Na2 36.Kf3+-) 36.Rb4 Rg1 37.Kg1 a1Q 38.Kg2 Qa5 39.Rb8 Kg7 40.Rb7 Kg8 41.h4 Qh5 42.Bf3 Qa5 43.e4 Qd2 44.d5 Qd4 45.Rb1 Qe5 46.Rd1 Qd6 47.e5! Qe5 48.d6 Qe8 49.d7 Qd8 50.Bc6 Kf7 51.Re1 Qc7 52.Kg1 Qa5 (52...Qd6+-) 53.Re8 Qa1 (53...g5 54.hg5 Qg5 55.Be4+-) 54.Kh2 (54.Kh2 Qd4 55.d8Q Qd8 56.Rd8+-) 1-0. Vidic,Teja (2170) - Muetsch,Annmarie (2265), Batumi GEO, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

9.Qb3 a5 10.b5 Be6 11.0-0 Nd7 12.bc6 bc6 13.Nc3 Nf4 14.Qb2 Ng2 15.Kg2 f6 16.Nd4 Bd5 17.Nd5 cd5 18.Ne6 Kf7 19.Nd8 1-0. Spiritchaser84 (2245) - SuperFlash (2205), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

9.Qb3 Qd6 10.a3 Nd7 11.0-0 e5 12.d3 N7f6 13.Nbd2 Re8 (13...Qe7 14.Qb2 Nd7 15.d4+=) 14.Nc4 Qc7 15.e4 (15.Qb2!?+=) 15...Nb6= 16.Ne3 a5 17.Rfc1 ab4 18.ab4 Be6 19.Qc3 Ra1 20.Ra1 Ng4 (20...Nbd7 21.Qb2=) 21.Ra5 f6 22.Nc2 Nd7 23.h3 Nh6 24.Ne3 Rc8 25.g4 (25.d4 b6 26.Ra1 Bf7+=) 25...b6= 26.Ra1 c5 27.Rc1 (27.bc5 Nc5 28.d4 Nb3 29.Qc7 Rc7=) 27...b5 (better is 27...Qd6!?+=) 28.g5+= Nf7 (28...fg5 29.bc5 Qc5 30.Qc5 Rc5 31.Rc5 Nc5 32.Ne5=) 29.gf6 Kf6 30.h4 (30.d4 ed4 31.Nd4 cd4 32.Nd5 Bd5 33.Qf3 Ke7 34.Rc7 Rc7 35.ed5 Rc1 36.Kh2 Rc4 37.Qe4 Kf8+–) 30...h6 (30...Qd6 31.Rd1 Nb6 32.bc5 Qc5 33.Qc5 Rc5 34.d4 ed4 35.Nd4=) 31.Bh3 Qd6 (31...Bh3 32.Nd5) 32.Be6 Qe6 (worse is 32...Ke6 33.Nd5+=) 33.Nh2 (33.d4 ed4 34.Nd4 Qe4 35.Nb5 Ke7 36.bc5 Rc5= (36...Nc5? 37.Na7 Rc7 38.Qa5+–)) 33...Kg7+= 34.Qb2 Nd6 35.f4 c4 36.Nhg4 1–0. Cervero,Tristan (1890) – Sarabia,Frenz Adrian, San Antonio PHI, Ch Boys U16, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

9.Qb3 Qd6 10.a3 e5 11.Nc3=.

9.Qb3 Qd6 10.a3 Qf6 11.d4 Be6 12.Qb2 Nb6 13.Nbd2 Nc4 14.Nc4 Bc4 15.0-0 Nd7 16.Rac1 Bd5 17.Rfe1 Be4 18.Ne5 Bf5 19.e4 Be6 20.Nd7 Bd7 21.e5 Qg5 22.d5 e6 23.dc6 bc6 24.Bc6 Bc6 25.Rc6 Rfd8 26.Rd6 Rdc8 27.Rd7 Rc4 28.Qb3 Rac8 29.Ra7 Qd2 30.Qe3 Qd5 31.Qg5 Qf3 32.Qe3 Qf5?? 33.b5 Rd8 34.b6 Rd3 35.Qe2 Rdc3?? 36.b7 Rc2 37.b8Q Re2 38.Re2 Rc1 39.Kg2 Qd3 40.Qb7 Qe2 41.Qf7 Kh6 42.Qf4 g5 43.Qf6 Kh5 44.Rh7 (44.Rh7 Kg4 45.Qe6) 1–0. Skrzypczak,Michal (1985) – Hoffmann,Piotr (1725), Mistrzostwa Sekcji L.K.S. Piast Srem Poland, 2014.

9.Qc1 Qb6 10.a3 a5 11.Nc3 ab4 12.ab4 (12.Nd5 cd5 13.ab4 Ra1 14.Qa1 f6=) 12...Ra1 13.Qa1 Nb4 14.0-0 (14.Nd5 Kh6 15.Nb4 Qb4=) 14...f6+= 15.Rb1 N8a6 16.Qa3 (16.d4 Bf5 17.e4 Bg4+=) 16...Be6 (16...e5 17.Qb3+=) 17.d4 c5 18.e3 Bf7 19.dc5 (19.Ne4 cd4 20.ed4 Qc6=) 19...Qc5+= 20.Nd4 Rc8 (20...e5 21.Ndb5 Rb8 22.Rd1+=) 21.Ne4 (21.Na4 Qc7 22.Nb5+=) 21...Qe5 (21...Qb6 22.Bf1 Rb8 23.Nc2 Nc2 24.Rb6 Na3 25.Ba6-/+) 22.h4 (22.Rb4!? Nb4 23.f4+=) 22...Nc2 23.Nc2 Rc2 24.Rb7 Nc7 25.Rb1 h6 (25...Bd5 26.Qd3 Rc4 27.f4=) 26.Rc1 (26.Qd3!? Ra2 27.Rb7=) 26...Nb5+= 27.Qa1 Qa1 28.Ra1 f5 29.Bf1 Bc4 (29...Bd5 30.Bb5 Be4 31.Bf1+=) 30.Bc4= Rc4 31.Ra5 Re4 ½–½. Buchal,Stephan (2345) – Florstedt,Johannes (2240), 2nd Bundesliga Nord, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

9.Qc1 f6 10.a3 a5 11.ba5 Ra5 12.d4 Nd7 13.0-0 N7b6 14.e4 Nc7 15.Nbd2 Be6 16.Qc3 Ra6 17.Rfb1 Qd7 (17...Nb5 18.Qe3+=) 18.Bf1 (18.Qb4 Nca8+/–) 18...Na4+= 19.Qe3 b5 20.Rc1 Ne8 (20...g5 21.Ne1=) 21.Ne1 Nc7 22.Rc2 (22.Nd3 Rd8 23.Nb4 Rb6=) 22...Rd8= 23.Nef3 Ne8 (23...g5 24.d5 cd5 25.Ng5=) 24.Rac1+= Nd6 (24...Bg4!?+=) 25.d5!+/– cd5 26.ed5 Bf7 27.Rc7 Qf5 28.Re7 Nb6?? (better is 28...Qd5 29.Rcc7 Nb2+=) 29.Nd4+– (29.Nd4 Qd5 30.Bg2+–) 1–0. Hecht,Hans Joachim – Pollak,Georg, Buesum, 1968. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5)

9.Qc2 Qb6 10.a3 a5 11.ba5 Ra5 12.0-0 Qa7 (12...e5 13.Rc1= (worse 13.Ne5 Qd4-/+)) 13.d3 Kg8 14.Nfd2 Nd7 15.Nc4 Ra6 16.Nc3 N7f6 17.h3 Be6 18.Rfb1 Rc8 19.Qb2 Nc3 20.Qc3 Nd7 21.Qb4 Bc4 22.Qc4 Rc7 (22...e5 23.Rb4=) 23.Qb4 Qc5 24.d4 Qb4 25.ab4 Rb6 26.f4 Nf6 27.Ra5 White prepares the advance b5 27...Rd7 28.e3 Nd5 Attacks the isolani on b4 29.Bd5 Rd5 30.Rd5 cd5 31.b5 Kf8 32.Kf2 Ke8 33.g4 Kd7 34.Ke2 (34.Kf3 h6+=) 34...h5 (34...h6 35.Kf3=) 35.g5 Ke6 36.Rb3 Kf5 37.Kf3 f6 38.h4 fg5 39.hg5 Re6 (39...Ke6!?=) 40.Rc3+/- Rb6 41.Rc5 (41.Rc8 Ke6 42.Rf8 Kd7+/-) 41...Ke6 42.Kg3 Rd6 43.Kf3 Rb6 44.e4 (44.f5 Kf5 45.Rd5 Ke6 46.Re5 Kd7+=) 44...de4 45.Ke4 h4 46.Re5 Kf7 47.Kf3 Rd6 48.d5 Rb6 49.Kg4 Rb5 50.Kh4 Rb4 51.Kg3 Rd4 52.Kf3 b5 53.Ke3 Rd1 54.Ke2 Rd4 55.Ke3 Rd1 56.Ke2 Rb1 (56...Rd4 57.f5=) 57.Kd3 (57.Re4 Rc1=) 57...b4 (57...Rf1 58.Ke3=) 58.Re6 (58.Kc2 Ra1+=) 58...b3 (58...Rd1 59.Kc4=) 59.Rb6+= b2 60.Kc2 Rf1 61.Kb2 Rf4 62.d6? (better 62.Rb7=) 62...ed6-+ 63.Rd6 Rf5 64.Kc3 Rg5 65.Kd4 Rf5 66.Ke4 Rf1 67.Rd3 Kf6 (67...Ke6 68.Rg3 Kf6 69.Ke3-/+) 68.Rd5 Kg7 69.Ke3 (69.Rd2 Kh6-/+) 69...Kh6-+ 70.Ke2 Rf4 71.Ke3 g5 72.Rd2 Kh5 73.Rh2 Kg4 74.Rh8 (74.Rg2 Kh4 75.Rg1 Rf5-+) 74...Rf7 (74...Rf3 75.Kd2-+) 75.Rg8 (75.Rh1-+) 75...Kh4 76.Rh8 Kg3 77.Ke2 g4 78.Rg8 Kh3 79.Rh8 Kg2 80.Ke3 g3 81.Ra8 (81.Rg8 Re7 82.Kd3 Kf2 83.Rf8 Kg1-+) 81...Kh2 82.Rh8 Kg1 83.Ke2 (83.Rh6 g2 84.Ke2 Rf2 85.Ke1 Rf4-+) 83...g2 (83...Rf2 84.Ke3-+) 84.Ra8 (84.Rh6 Re7 85.Kd3 Kf2 86.Rf6 Ke1-+) 84...Rf2 85.Ke3 Rf1 (better 85...Rf5!? 86.Rg8-+) 86.Ke2 (86.Rh8-+) 86...Rf5 87.Rh8 Re5 88.Kd2 Kf2 89.Rf8 Kg3 90.Rg8 Kf3 91.Kd3 Rd5 92.Kc4 Rd1 93.Rf8 Ke4 94.Re8 Kf5 95.Rf8 Ke6 (95...Ke6 96.Rg8 g1Q 97.Rg1 Rg1-+) 0-1. Jessel,S (2295) - Gullaksen,E (2340), Online Olym Div2 D, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 c6 5.g3 0-0 6.Bg2 d5 7.cd5)

9.Qc2 Qb6 10.a3 a5 11.e4 Nf6 12.ba5 Ra5 13.0-0 Bg4 14.Nc3 Nbd7 15.Rab1 Qa7 16.a4 e5 17.Rb4 Bf3 18.Bf3 Rd8 19.Be2 Nc5 20.d3 Rd4 21.Rfb1 Nfd7 22.Bg4 Nf6 (22...Nd3?? 23.Rb7 Qc5 24.Bd7 Raa4 25.Be8+–) 23.Be2 Nfd7 24.Bg4 Nf6 (24...Rd6 25.Rd1+=) 25.Be2= ½–½. Akopian,Vladimir (2705) – Salgado Lopez,Ivan (2595), 14th Euro Men Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

9.a3 a5

10.ba5 Ra5 11.0-0 Na6 12.d4 Nac7 13.Ne5 Nb5 14.e3 Nd6 (14...Be6 15.Qd2=) 15.Nd2+= f6 16.Nd3 Nc7 17.a4 Ra7 18.Qc2 Na6 19.Qc3 Bf5 20.e4 Be6 21.Rfb1 Qd7 22.Rb2 Rd8 23.Rab1 Bf7 24.Nf4 Nb8 (better 24...g5!? 25.Ne2 g4+=) 25.Bh3+- Qc7 26.e5 Nc8 27.Ne4 g5? (better 27...Na6!?+/-) 28.Nc5 (28.ef6 Kh6 29.Qc5 ef6 30.Bc8 b6 31.Rb6 gf4+-) 28...gf4 29.Rb7 Qa5 30.Qa5 Ra5 31.ef6 Kf6 32.Rb8 Rd4 33.Nb7 (33.Bc8?! Rc5 34.R8b4 e5=+) 33...Raa4 34.Rc8 Bd5 35.Rf8 Kg7 36.Rf4 Rf4 37.gf4 Rf4 38.Re1 Kf6 39.Nc5 Rh4 40.Bg2 (40.Be6!? h5+-) 40...Rg4 41.Ne4 Kf7 42.Ng3 e6 43.Rc1 Kg6 44.Kf1 h5 45.Bd5 cd5 46.h3 Rg5 (46...Ra4 47.Rd1+-) 47.Rc6 Kf7 48.Ne2 Rf5 49.Nd4 Re5 (49...Rf6 50.Rc7 Kf8 51.Rh7+-) 50.f3 h4 51.Kf2 Kf6 52.Ra6 Kf7 53.Ra7 Kg6 54.Re7 Kf6 55.Rh7 Kg5 (55...Kg6 56.Rh8+-) 56.f4! Kf4 57.Rh4 (57.Nf3 Rg5 58.Rh4 Kf5 59.Ng5 Kg5 60.Rg4 Kf5+-) 57...Kg5 58.Nf3 (58.Nf3 Kf6 59.Ne5 Ke5 60.Rg4+-) 1-0. Srihari,L R (2280) - Fardet,Elouan (2010), Mumbai IND, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

10.ba5 Ra5 11.0-0 Nd7 12.d4 Qb6 (12...N7f6 13.Qe1 Bf5 14.Nbd2=) 13.e4 Nc7 14.Nbd2 Qa6 15.Qc1 Nb5 Exerts pressure on the isolated pawn 16.Nc4 Ra4 17.Re1 (better is 17.Rd1!?=) 17...Nd4-/+ 18.Ncd2 Nf3 19.Nf3 e5 20.Qb2 Ra5 (20...f6 21.Re3-/+) 21.Bf1 Qb6 22.Qd2 Qc7 23.h4 (23.Qc3 b6-/+) 23...Nf6 24.Qc3 Re8 25.a4 b6 26.Bb5 Bd7 27.Rac1 c5 28.Bd7 Nd7 29.Qc4 (29.Qb3 Qc6–+) 29...Qc6 (29...Rea8 30.h5–+) 30.Red1? (better is 30.Ra1!?–+) 30...Ra4 31.Qc2 Ra7 32.h5 Nf6 33.hg6 hg6 34.Kg2? Rae7 35.Ng5 Rh8 36.Rh1 Rh1 37.Rh1 c4 38.Rh4 Re8 39.Nf3 Qc8 40.Qc1 Nh5 41.Rh5 gh5 42.Qg5 Kf8 43.Qh6 Ke7 44.Qb6 f6 45.Qb4 Kf7 46.Qc3 Qc6 47.Nd2 Rc8 48.f3 Kg6 49.Nf1 Qc5 50.Ne3 Qd4 51.Qc1 c3 52.Nf1 Rb8 53.Kh3 Rb2 54.f4 Qg1 (54...Qg1 55.f5 Kf7 56.Nd2 Qc1 57.g4 Qd2 58.gh5 Qf4 59.h6 Rh2#) 0–1. Hartlaub,Marianne – Claus,Joachim (1855), Bayern–ch Seniors, 1999. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 c6 6.c4 d5 7.cd5)

10.Nc3 Nc3 11.dc3 ab4 12.ab4 Qd1 13.Rd1 Ra3 14.Kd2 Rd8 15.Kc2 Ra2 16.Kb1 Rd1 17.Ka2 Be6 18.Kb2 Rh1 19.Bh1 Bd5 20.Bg2 Nd7 21.Ne1 Bg2 22.Ng2 Kf6 23.c4 Ke5 24.Kc3 ½–½. Atterl – Letsplay!, ChessWorld.net, 2006. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 c6 5.Bg2 0-0 6.c4 d5 7.cd5)

10.Nc3 Nc3 11.dc3 Qd1 12.Rd1 ab4 13.ab4 Ra3 14.Rc1 Na6 15.0-0 (15.h4 h5=) 15...Rd8=+ 16.Ne5 Be6 17.Ra1 Ra1 Black gets the initiative (17...Rc3 18.Nc6 Rd2 19.b5=+) 18.Ra1 Nc7 19.h4 (19.Kf1 Nb5 20.c4 Nc3=+) 19...Nb5 20.c4 Nc3 21.b5 (21.Ra7 Ne2 22.Kh2 Rb8=+) 21...cb5-/+ 22.cb5 f6 23.Nf3 Ne2 24.Kh2 Nc3 25.Ra7 (25.b6 Bd5-/+) 25...Bd5 (25...Nb5?! 26.Rb7 Bd7 27.Bh3=+) 26.Nd4 Kf7 27.Nc2 (27.Bf1 h6-/+) 27...Nb5–+ 28.Bd5 Rd5 29.Rb7 Rd2 30.Kg1 Nd6 31.Rc7 Ne4 32.Nb4 Nf2 33.Nc6 Ke6 34.Ne7 Ng4 35.Nc8 h5 36.Nb6 (36.Rb7 Ne5–+) 36...Ne3 37.Kh1 Rd3 38.Na4 Kf5 39.Nb2 (39.Rc1 Kg4 40.Nc5 Ra3–+) 39...Rb3 40.Nc4 Nc4 (40...Nc4 41.Rc4 Rg3–+) 0–1. Rahman,Zia (2470) – Naiditsch,A (2700), 16th Delhi Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7 9.a3 a5)

10.Nc3 f6 11.Nd5 Qd5 12.0-0=.

10.Nc3 Bg4 11.0-0 ab4 12.Nd5 (12.ab4 Na6 13.Ne5 Nc3 14.dc3 Bc8+=) 12...Qd5 13.ab4 Ra1 (13...Nd7 14.d4=) 14.Qa1 f6 15.d3 e5 16.Qa7 Qb5 (16...Qd7 17.Ra1=) 17.Qa5 Qa5 18.ba5 Na6 19.Rb1 Nc5 20.h3 (20.d4 ed4 21.Nd4 Ra8=) 20...Bc8 21.Nd2 Rd8= 22.Nc4 Be6 23.Nd2 Ra8 24.Ne4 Nb3-/+ 25.Nd6 Na5 26.Ra1 Rd8 27.Ra5 Rd6 28.Ra7 Rd7 29.Kf1 Kf7 30.Ke1 Ke7 31.Kd2 Kd6 32.Kc3 b6 33.Ra8 b5 34.Kb4 Re7 35.Ra6 Rc7 36.Ra8 f5 37.e4 fe4 38.Be4 Bh3 39.Rd8 Rd7?? 40.Rc8+= Rc7 41.Rd8 Bd7 0–1. Pedersen,Jan – Camps,Jean_Pierre, IECC, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

10.ba5 Qa5

11.0-0 Na6 12.Qc2 Nac7 13.e4 Nb6 14.Nc3 Rd8 15.d4 Bg4 16.Ne5 Rd4 17.Nd5 Ncd5 18.ed5 Bf5 19.Qe2 Rd2 20.Qe1 Rd5 21.Bd5 Qd5 22.g4 Be4 23.f4 f6 24.Qe3 fe5 25.Qb6 Qd7 26.h3 Qd3 27.Kh2 Ra3 28.Ra3 Qf1 29.Qb2 Qf4 30.Rg3 c5 31.Qe2 c4 32.Qe3 Bd3 33.Kg1 b5 34.Qe1 b4 35.Re3 e4 36.Kg2 b3 37.Qa1 Kf7 38.Re1 Qf3 39.Kh2 Qf2 40.Kh1 b2 0–1. Blatny – Ftacnik, Praha 1989.

11.0-0 Nd7 12.Qc2 N7f6-/+ 13.d3 Rd8 (13...Bg4 14.Qb2-/+) 14.Rc1+= Nb6 (14...Bg4 15.Nbd2+=) 15.Nbd2= Na4 (15...Bg4 16.Nb3 Qa7 17.Ne5=) 16.Nc4 (16.Rab1 Nd5=) 16...Qh5 (16...Qc7 17.Rab1=) 17.Ne3 (17.Rab1 Nd5+=) 17...Qa5 (17...c5 18.Rab1=) 18.Rab1+= Qa7 (18...Nb6 19.Qb2 Ra6 20.Ne5+=) 19.Rb4 c5 (19...Nb6 20.Qb2 Nbd5 21.Nd5 Rd5 22.Ne5+=) 20.Rbb1 (20.Rh4 Nb6+/–) 20...Rb8 21.Ne5 (21.Qd2 Be6+=) 21...Bd7 (21...Nd7!? 22.Nd7 Bd7+=) 22.Nd7+/– Rd7 23.Bc6 (23.Nc4 Nd5+/–) 23...Rd4 (23...bc6 24.Rb8 Qb8 25.Qa4+=) 24.Ba4 (24.Bb5 h5+/–) 24...Ra4+= 25.Qc5 b6 (25...Qc5 26.Rc5 Ra3 27.Kg2+=) 26.Qe5+/– Ra3 27.Rc7 Rb7 28.Rc8 (28.Nd5!? Rc7 29.Nc7+/–) 28...Qa5+= 29.Qd4 b5 (29...Ra2 30.Qd8 g5+/–) 30.Rc5 (30.Qf4 h6 31.Kg2 b4+=) 30...Qa7 (30...Ra2 31.g4 h6 32.h4+=) 31.Qe5+= b4 32.Qg5 (32.g4 h6+=) 32...Rb8 33.Nf5 (33.Nc2 Ra2 34.Qe5 Rb7=) 33...Kh8 34.Nh6 (34.Nd4 Ra1 35.Rbc1 b3 36.Nb3 Rb3–+) 34...Ra1 35.Ra1 Qa1 36.Rc1 Qb2 (36...Qa3 37.Nf7 Kg7 38.Nd6=) 37.Nf7 (37.e4 b3 38.Kg2 Qa3=) 37...Kg7= 38.Nh6? (better is 38.Ne5=) 38...Rb5!-/+ 39.Qe3? (39.Qb5 Qc1 Double attack (39...Qc1 Deflection)) 39...Re5–+ 40.Qf4 g5 41.Nf5 (41.Qc4 Kh6 42.Rc2–+) 41...Rf5! 42.Qf5 (42.Qe3 Nd5 43.Qc5 Qe2 44.Qd4 Kg6 45.g4–+) 42...Qc1 43.Kg2 b3 44.e4 b2 45.e5 Nd5 (45...Nd5 46.Qe4 b1Q 47.Kh3 h5 48.e6 Qf1 49.Qg2 Qbd3 50.f3 Qdf3 51.Qf1 Qf1#) 0–1. Emma,Jaime – Najdorf,Miguel, Buenos Aires, 1973. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

11.0-0 Nd7 12.e4 N5b6 13.Nc3 (13.d4 c5=) 13...Nc5 14.Qc2 Be6 15.d4 Nca4 (15...Bb3 16.Qd2 Rfd8 17.Rfb1=) 16.Ne2 (16.Na4 Na4 (worse is 16...Qa4 17.Qb2 Nc4 18.Qb7+=) 17.Rac1 Rfb8=) 16...Bc4 17.Rfc1 (17.Rac1 f6=) 17...Qa6 (17...Be2 18.Qe2 f6 19.e5=) 18.Nf4= f6?? (18...Bb5 19.Qb3=) 19.d5?? (better is 19.Bf1 f5 20.Ne6 Be6 21.Ba6 Ra6 22.Rab1+–) 19...Rfc8 (better is 19...Nc5!?=) 20.Bh3 cd5 (20...Rg8 21.Be6 Rgd8 22.dc6 Bb5+–) 21.Bc8+– Rc8 22.Qd2 (better is 22.Ne6!? Kh8 23.Nfd4+/–) 22...de4= 23.Ne1 (23.Nd4 Nc5=) 23...Nc5 24.Qb4 g5 (24...e5 25.Nd5 Nd5 26.Qc4=) 25.Nfg2 (25.Rab1 gf4 26.Qb6 Bd3 27.Qa6 ba6=) 25...Kf7 26.Rab1 Ncd7 (26...Rc6 27.Ne3 Nd3 28.Nd3 ed3 29.Nf5+=) 27.Ne3 e6 (better is 27...Rc5!?+=) 28.Nc4+/– Nc4 29.Qb7 Qb7 30.Rb7 Ke8 31.Ng2 Kd8 32.a4 Nde5? 33.Rd1 Ke8 34.Rh7 Nf3 35.Kh1 Rc5 36.Rb1 Nb2 37.Ne3 g4 38.Ng4 Rc2 39.Kg2 Ng5 40.Ra7 f5 41.Ne3 Rd2 42.a5 Nf7 43.Rc7 Nd3 44.Rc2 Rc2 45.Nc2 Nd8 46.a6 Nc6 47.Nb4! Ndb4 48.Rb4! Kd7 49.a7! (49.a7 Na7 50.Rb7 Kc6 51.Ra7+–) 1–0. Diblasi,Nicolas – Alonso,Hugo, Torre Blanca Mar, 2002. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7 9.a3 a5)

11.0-0 Nd7 12.e4 Nc7 13.d4=.

11.0-0 Nd7 12.e4 N5f6 13.Nc3 Rd8 14.Qc2 Ne5 15.Ne5 Qe5 16.Ne2 Qa5 17.d4 Bg4 18.f3 Be6 19.Rfc1 b5 20.Rd1 Bc4 21.Nc3 Qa7 22.Qf2 b4 23.Nb1 Bb5 (better is 23...e5!? 24.Nd2 Rd4 25.Nc4 Rc4 26.Qa7 Ra7 27.ab4 Ra1 28.Ra1 Rb4-/+) 24.Rd2 e6 25.Raa2 Bc4 26.Ra1 Qe7 27.Qe3? (better is 27.e5!? Nd5 28.Qe1=) 27...e5-/+ 28.Kf2 ed4 29.Rd4 Ng4! 30.fg4 Qf6 31.Ke1 Qd4 (31...Qd4 32.Qd4 Rd4–+; 31...Rd4 32.e5 Qd8 33.Kf2 ba3 34.Be4–+) 0–1. Kabilov,Amin (2150) – Amonatov,Farrukh (2620), Dushanbe TDK, Central Asia Cup, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7 9.a3 a5 10.ba5 Qa5)

9.Qb3 Qb6

10.a3 a5 11.Qb2 Kg8 12.e4 Nf6 13.Nc3 ab4 14.0-0 Nbd7 (14...Bg4 15.Qb4 Qb4 16.ab4 Ra1 17.Ra1 Bf3 18.Bf3=) 15.Qb4 e5 (15...c5!? 16.Qb6 Nb6+=) 16.Qb6+– Nb6 17.Ne5 Rd8 18.Rfb1 Na4 19.Na4 Ra4 20.Rb4 (20.d3 Ne8+–) 20...Rd4 (20...Rb4 21.ab4 Be6 22.Ra7 Rd2 23.f4 (23.Rb7?? Rd1 24.Bf1 Bh3 25.Rb8 Kg7 26.Rg8 Kg8 27.Nc6 Rf1) 23...Rd1 24.Kf2 Rd2 25.Kf1+=) 21.Ra4+– Ra4 22.d3 Be6 23.f4 Ne8 24.Bf3 (24.f5 gf5 25.ef5 Bf5 26.Nc6 Kf8+–) 24...Bb3 (better 24...f6!? 25.Ng4 Kf7+=) 25.Nd7+– Ra7 26.Nc5 Be6 27.Rb1 Nd6 28.a4 Bc8 29.g4 Ne8 30.Rb4 White plans f5 30...Nc7 31.f5 Kf8 32.Kf2 Ke7 33.Bd1 (33.d4 gf5 34.gf5 Na6 35.Na6 Ra6+–) 33...h5 (33...Na8 34.d4+–) 34.h3 (34.fg6 fg6 35.gh5 gh5+–) 34...hg4 35.hg4 gf5 36.gf5 f6 (36...Na8 37.d4+–) 37.d4 Ne8 (37...Na8 38.Rb3 b6 39.Rh3+–) 38.Kf3 Nd6 39.Be2 Kd8 40.Kf4 Kc7 41.Bg4 (41.Bd3 b6 42.Nb3 Nf7+–) 41...b6 42.Nb3 Nf7 (42...Nb7 43.e5+–) 43.Bh5 Nd8 (43...Nh6 44.Rc4 Ba6 45.Rc3+–) 44.Be8 (44.Bf3 Ba6+–) 44...Ba6 (44...Ra8 45.Ke3+–) 45.e5 Rb7 (45...fe5 46.de5 c5 47.Re4+–) 46.Ke3 (46.ef6 Kd6+–) 46...Bf1 (46...fe5 47.de5 c5 48.Rh4+–) 47.ef6 Kd6 (47...Bh3 48.a5 Bf5 49.ab6 Rb6 50.Rb6 Kb6 51.f7 Nf7 52.Bf7+–) 48.Nd2 Ba6 (48...Bh3 49.Nc4 Kc7 50.Kf4+–) 49.Ne4 Kd5 50.Rb6! Rb6 51.f7 Rb3 52.Kf4 Nf7 (52...Rf3 53.Kf3 Nf7 54.Bf7 Kd4 55.f6+–) 53.Bf7 Kd4 54.Bb3 Bd3 55.f6 (55.f6+–) 1–0. Lercel,M (2250) – Cherigui,Mourad (1890), Gibraltar Masters (8), 2018. (=1.Nf3 c6 2.c4 Nf6 3.g3 g6 4.b4 Bg7 5.Bb2 0-0 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.0-0 Nc6 14.ab4 Ra1 15.Ra1 Qb4 (15...Nb4? 16.Ra4+-) 16.Qd5 Be6 (16...e5 17.Qa2= (17.Ne5? Qb2 18.Rd1 Ne5-+)) 17.Qd3 Bc4 18.Qe4 Ba6 (18...f5 19.Qe3=) 19.Qb4 (19.d4 Qc3 20.Re1 Bc4+=) 19...Nb4= 20.Rb1 Nc6 21.d3 Rc8 22.Kf1 e5 23.Ke1 f5 24.Nd2 Nd8 25.Nb3 Rc7 26.Kd2 Kf6 27.Ra1 Ne6 28.Ra5 Rd7 29.Bd5 Nd4 30.Nd4 ed4 31.Rc5 Rd6 32.Bc4 Rb6 33.Kc2 h5 34.h4 g5 35.Bd5 Bb5 36.f4 (36.e4 de3 37.fe3 Bc6+=) 36...g4 37.Rc7 Ba4 38.Kc1 Bc6 39.Bc6 Rc6 40.Rc6 bc6 41.Kc2 Ke6 42.Kb3 Kd6 43.Ka4 c5 44.Ka3 Kc6 45.Ka4 Kb6 46.Ka3 Ka5 47.Kb3 Kb5 48.Kb2 Kb4 49.Kc2 Ka3 50.Kc1 Kb3 51.Kd2 Kb2 52.Kd1 Kc3 53.Kc1 Kb3 54.Kd2 ½-½. Harsha,B (2495) - Gupta,Ab (2605), 40th TCh-IND, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.0-0 Qf6 14.Qb4 Nc6 15.Qb3 Rd8 16.Rfc1 e5 17.e3 e4 18.Ne1 Na5 19.Qb4 Nc6 (19...Rd6 20.f3+=) 20.Qb5= Ra5 21.Qb3 Ra7 22.d3 Be6 23.Qb6 ed3 (23...Bf5!?=) 24.Nd3+= Rda8 The isolani on a3 becomes a target 25.Nf4 Ra3 (25...Ne7!?+=) 26.Ra3+/– Ra3 27.Qb7 (27.Nd5?! Ra1 28.Rb1 Rb1 29.Qb1 Bd5 30.Bd5 Qe7=; 27.Ne6?! A) 27...Qe6?? 28.Qb2 Nd4 29.Qd4 (29.ed4?! Ra4+–) 29...Qf6 30.Bd5+–; B) 27...fe6 28.Qb7 Ne7=) 27...Ne7 28.Bd5 (worse is 28.Nd5 Ra1 29.Nf6 Rc1 30.Bf1 Bh3–+) 28...Bd5 29.Nd5 Nd5 30.Qd5 Ra1 (30...Ra6 31.Kg2+/–) 31.Ra1 Qa1 32.Kg2 Qe1 33.h4 h5 34.Qe5 Kg8 35.Qg5 Qe2 36.Qf4 Qd1 37.Qf3 Qd7 38.e4 Qe6 (38...Qd4 39.Qf4+/–) 39.Qd3 Qg4 40.f3 Qe6 41.f4 Qa2 42.Kf3 Qa1 43.f5 (43.e5 Qe1+/–) 43...Qh1 44.Kf4 Qc1 45.Qe3 Qc7 46.Kf3 Qe5 47.fg6 fg6 48.Qb3 Kg7 49.Qb7 Kf6 50.Qc6 Kg7 51.Qd5 Qc3 52.Kf4 White intends e5 52...Qc1 53.Ke5 Qc3 54.Ke6 (54.Kd6 Qg3 55.Qe5 Qe5 56.Ke5 g5=) 54...Qg3= 55.Qd4 Kh7 56.e5 Qg4 57.Kd5 Qd7 58.Ke4 Qg4 59.Kd3 Qd1 ½–½. Capablanca,Jose – Tylor,Theodore, Ramsgate, 1929. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7= 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.0-0 Qf6 14.Qb4 Nc6 15.Qb3 Rd8 16.Rfc1 e5 17.e3 Be6 18.Qb7 (18.h4!?+=) 18...Na5-/+ 19.Qb2 Rdb8 20.Qe5 Nb3 (20...Qe5 21.Ne5 Nb3 22.Bf3-/+) 21.h4 (21.d4 Nc1 22.Rc1 Rb6+=) 21...Nc1-/+ 22.Rc1 Qe5 23.Ne5 Rb2 (23...Ra3 24.d4-/+) 24.d4 Ra3 25.Rd1 Rc2 (25...Rba2 26.Bf3-/+) 26.Bf3 Raa2 (26...Rca2 27.g4-/+) 27.Nd3 Bf5 (27...h5!?-/+) 28.Bd5= Ra3 (28...Rd2 29.Rd2 Rd2 30.Ne5=) 29.Nc5 h6 30.Kf1 (30.Re1 g5=) 30...g5 (30...Rac3 31.Ne4 Ra3 32.Nc5=) 31.hg5 (31.Ke1 Rb2=) 31...hg5 32.Kg1 f6 (32...Rb2 33.Rc1=) 33.Rb1+= Kg6 (better is 33...Kh6!? 34.Rb8 Re2+=) 34.g4!+/– Bg4 35.Be4 Bf5 36.Bc2 Bc2 37.Rb6 Kg7 (37...Kf7 38.Kg2 f5 39.Rb2+/–) 38.Kh2 (38.d5 Rc3 39.Rc6 Kf7+–) 38...Ra1 (38...Rc3 39.Rc6 Kg6 40.d5+–) 39.Rb2 (39.d5 Ra7+–) 39...Bd1 40.Kg2 (40.d5 Ra5 41.Rb7 Kg6+–) 40...Kg6 (40...f5 41.f3+/–) 41.Rb6 (better is 41.Kg3+/–) 41...Kf5?? (better is 41...g4 42.Kg3 Bf3+/–) 42.Nd7 (42.e4!? Kg4 43.Rf6 Ra3+–) 42...g4 43.Rf6 (43.Nf6?? Bf3 44.Kg3 Rg1 45.Kh4 Rh1 46.Kg3 Rh3) 43...Kg5 44.Rf4 (44.Rf8 Bf3 45.Rf3 gf3 46.Kf3 Kf5+–) 44...Bf3 (44...Be2 45.Nc5+–) 45.Rf3 gf3 46.Kf3 Kf5 47.Nc5 Ra3 48.Ne4 Ra2 49.Ng3 (49.Nc3 Ra3 50.Nb5 Rb3 51.Nd6 Ke6+–) 49...Ke6 (49...Kg5 50.Nf1+–) 50.e4 Kf6 (50...Ke7 51.Nf5 Kd7 52.d5+–) 51.Nf5 Kg5 (51...Kg6 52.Kg3+–) 52.Kg3 Rb2 (52...Ra3 53.f3+–) 53.f3 (53.f4 Kf6+–) 53...Rd2 (53...Rb1 54.f4 Kh5 55.Ng7 Kg6 56.Ne6+–) 54.d5 Rd3 55.Nh4 1–0. Mohamed,MA (2240) – Sankalp,Gupta (2255), 92. ch–Paris IdF, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5 Nd5 8.Bg7 Kg7)

10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.Rb1 Nc6-/+ (13...Ra3? 14.Qa3 Nc6 15.Qb2 f6 16.0-0+-) 14.0-0 Ra5 (14...e5 15.d3-/+) 15.e3 Bf5 16.Rb2 Rfa8 (16...Ra3?? 17.Qa3 Qb5 18.Qa1+-) 17.ab4 Rb5 18.Qc3 Kg8 19.Nh4 d4 (19...Nb4?? 20.Nf5 gf5 21.Rfb1+-; worse 19...Rb4 20.Rb4 Qb4 21.Nf5 Qc3 22.Ne7 Ne7 23.dc3+=) 20.ed4 Nd4 21.Qe3 Be6 (21...Bg4 22.Bf3 Rb4 23.Rb4 Nf3 24.Nf3 Qb4 25.Ng5-/+) 22.Rfb1 Qd6 23.Nf3 Nf3 24.Bf3 Rd8 25.Be2 (25.Be4!?=+) 25...Re5-/+ 26.Qf3 Bd5 27.Qd3 Qb6 (better 27...Qb8 28.Re1 Re6-/+) 28.Bf3? (better 28.Bf1-/+) 28...Rf5-+ 29.Bd5 Qf2 (29...Rfd5?! 30.Qe2=+; 29...Rdd5?! 30.Qe3 Qd8 31.Ra2=+) 30.Kh1 Rfd5 (30...Rh5 31.h4 Rhd5 32.Qe3-+) 31.Qe3 Qf5 32.Re1 e6 33.Ra2? (better 33.Kg1-+) 33...Rd3 34.Qe4 Qe4 35.Re4 Rd2 36.Ra7 (36.Rd2 Rd2 37.Re5 Rd5-+) 36…Rb2 (36...Rb2 37.Re1 Rb4-+) 0-1. Mueller Dehn,C (2165) - Plischki,S (2425), 18th Prague Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.Rb1 Nc6 14.0-0 d4 15.ab4=+ Qb5 16.Qc2 e5 (16...Qe2?! 17.b5 Ne5 18.Nd4=) 17.d3 Ra4 The pressure on the isolated pawn grows (worse 17...Nb4 18.Qc7 Be6 19.Qd6+/-) 18.Qc5 Qc5 19.bc5 Ra2 20.Rfe1 f6 21.Kf1 Rf7 22.Red1 Rc7 23.e3 de3 24.fe3 Ne7 (24...Na5 25.Rdc1 Bf5 26.Ne1-/+) 25.Rd2=+ Ra3 26.Ne1 Rc3 27.Rdb2 R7c5 28.Bb7 Bg4 29.Kf2 Ra3 30.Bf3 Be6 31.Ke2 f5 32.Kd2 Rc7 33.Nc2 Ra5 34.Rb7 Ra7 35.Ra7 Ra7 36.Rb7 ½-½. Srihari,L R (2315) - Anurag,M (2490), 56th ch-IND, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 c6 6.Bg2 d5 7.cd5)

6.Bg2 d6

7.0-0 Qb6 8.a3 e5 9.d3 Be6 10.Qc2 Nbd7 11.Nbd2 Rac8 12.d4 ed4 13.Nd4 Ne8 14.Ne6 fe6 15.Bh3 Nc7 16.c5 (16.Bg7 Kg7 17.Ne4 d5+=) 16...dc5= 17.Nc4 Qa6 18.Bg7 Kg7 19.Nd6 Rcd8 20.bc5 Nf6 21.e4 Kg8 22.f4 b6 23.Rfc1 Nfe8 24.Ne8 Rfe8+/– 25.cb6 Qb6+= 26.Qc5?? Rd1!!–+ 27.Kg2 Qc5 28.Rc5 Ra1 29.Rc6 Ra2 30.Kf3 Ra3 31.Kg4 Nb5 32.Kg5 Nd4 33.Rd6 Ra5 34.Kf6 Rf8 35.Ke7 e5 36.fe5 Re5 37.Kd7 Re4 38.Bg2 Rf7 39.Kd8 Ne6 40.Kc8 Rc7 41.Kb8 Rb4 42.Ka8 Rc8 43.Ka7 Ra4 44.Kb6 Rb8 45.Kc6 Ra6 46.Kd5 Rb5 47.Ke6 Rd6 48.Kd6 Kg7 49.h3 Rb3 50.g4 Rg3 51.Bf1 Rg1 52.Be2 Rh1 53.Kd5 Rh3 54.Ke4 Ra3 55.Kf4 Kf6 56.g5 Kg7 57.Kg4 h6 58.gh6 Kh6 0–1. Stathopoulos,I (1905) – Panagos,T (1815), 37th Greek Teams, Kallithea GRE, 2009.

7.0-0 Qb6 8.Qb3 a5 9.a3 ab4 10.Bd4 c5 11.ab4 Ra1 12.Ba1 Qb4 13.Qc2 Nc6 14.d3 Qa5 15.Nbd2 Bd7 16.Bc3 Qc7 17.Ra1 Rb8 18.Qb2 e5 19.e3 Ne7 20.Ra7 Bc6 21.Bh3 Nc8 22.Ra2 b5 23.cb5 Rb5 24.Qc2 Nd5 25.e4 Nc3 26.Qc3 Ne7 27.Qc4 h6 28.Nf1 Rb4 29.Qc2 f5 30.N3d2 g5 31.ef5 g4 32.Bg2 Bg2 33.Kg2 Nf5 34.Ra8 Kh7 35.Qa2 Rb8 36.Ra7 Rb7 37.Ra8 Rb8 38.Ra7 Rb7 39.Ra8 Qc6 40.Kg1 d5 41.Rd8 Rd7 42.Rd7 Qd7 43.Ne3 Ne3 44.fe3 e4! 45.Qc2 ed3 46.Qd3 Kh8 47.e4 Bd4 48.Kf1 Qf7 49.Ke2 Qf2 50.Kd1 c4 51.Qe2 c3 52.Qf2 Bf2 53.Nb1 d4 54.Kc2 Bg1 55.Na3 Bh2 56.Nb5 Bg3 57.Nd4 h5 58.Nf5 Be5 59.Kd3 Kh7 60.Ne3 Kg6 61.Kc4 g3 62.Kd3 h4 63.Ke2 h3 64.Kf3 g2 (64...g2 65.Kf2 Bd4–+) 0–1. Santl,A (2130) – Jorczik,J (2395), OIS Munich GER, 2010.

7.0-0 Qb6 8.Qb3 d5 9.d3 Be6 10.Nbd2 Na6 11.a3 dc4 12.Nc4 Qd8 13.Nd4 Bc8 14.Rfc1 Ng4 15.Nf3 Be6 16.Bg7 Kg7 17.Qb2 f6 18.h3 Nh6 19.g4 Qd7 20.Na5 Rad8 21.Ng5 Bd5 22.Ne4 g5 23.Ng5+/– Bg2 24.Kg2 Ng4 25.Nb7+– Rb8 26.Na5 Qd5 27.Nf3 Qa5 28.hg4 Qd5 29.Qd4 Rb6 30.Rh1 e5 31.Qe3 Nc7?? 32.Qh6 (32.Qh6 Kf7 33.Qh7 Ke6 34.Qc7+–) 1–0. Giffard,N (2315) – Le Pape,V (1985), 27th Open Cappelle la Grande FRA, 2011.

7.0-0 Qc7 8.d3 b6 9.Nbd2 Bb7 10.Nb3 Nbd7 11.Qc2 Rac8 12.a4 a6 13.c5 dc5 14.bc5 b5 15.d4 Ra8 16.e4 e6 17.Bc3 Rfb8 18.Rfd1 Bc8 19.a5 Bb7 20.Bb2 Rd8 21.Ne1 Rac8 22.Rac1 Qb8 23.f4 Qa8 24.Qe2 Qb8 25.Nd3 Qa8 26.Nb4 Nb8 27.g4 Qa7 28.g5 Nh5 29.Qe3 Ba8 30.Bf3 Qe7 31.Bh5 gh5 32.Qh3 f6 33.Qh5 fg5 34.Qg5 Qg5 35.fg5 Rf8 36.Rf1 Bb7 37.Nd3 Nd7 38.e5 Rf1 39.Rf1 Re8 40.Nd2 h6 41.h4 Kh7 42.Rf7 Bc8 43.Nf4 hg5 44.hg5 Rf8 45.g6 Kg8 46.Ne6 Rf7 47.gf7 Kf7 48.Nd8 Ke8 49.Nc6 Bb7 50.Nb4 Bh6 51.Nf1 Bf8 52.Nd3 Be4 53.Nf4 Nc5 54.dc5 Bc5 55.Kh2 Bb4 56.Ng3 Bc6 57.Ngh5 Ba5 58.Nf6 Ke7 59.Bd4 Bc7 60.N6d5 Kd7 61.e6 Kd6 62.Nc7 ½–½. Kabachienko,A (2065) – Chaika,Mykola, Myrhorod Open A, 2011.

7.0-0 d5 8.d3 Qb6=.

7.0-0 e5 8.b5 e4 9.Nd4 d5 10.bc6 Nc6 11.cd5 Nd4 12.Bd4 Qd5 13.e3 Bg4 14.Qb3 Qh5 15.Nc3 Bh3 16.Bf6 Bg2 17.Bg7 Qf3 18.Qd1 Kg7 19.Qf3 Bf3 20.Nb5 Be2 21.Rfb1 Bd3 22.Rb2 Bb5 23.Rb5 b6 24.a4 Rfd8 25.Ra2 h5 26.a5 ba5 27.Rba5 a6 28.Kf1 Rd6 29.Ke2 f5 30.h3 Kf6 31.f3 g5 32.fe4 fe4 33.R2a4 Re6 34.Rd4 Rb8 35.Rdd5 Rb5 36.Rab5 ab5 37.Rb5 Ra6 38.h4 gh4 39.Rh5 Ra1 40.Rh4 Kf5 41.Rh5 Kf6 42.Rd5 Rh1 43.g4 Rg1 44.Rf5 Ke6 45.Rg5 Kf6 46.Rg8 Rg2 47.Kd1 Kf7 48.Rg5 Kf6 49.Rf5 Ke6 50.Rf4 Kd5 51.Kc2 Ke5 52.Kc3 Rg3 53.Rf5 Kd6 54.Kd4 Rg4 55.Rf6 1–0. Ricardi – Peralta, Mar del Plata 1997.

7.0-0 Be6 8.d3 Qc7 9.Nbd2 Nbd7 (9...a5 10.b5=) 10.Rc1 Nb6 11.d4 Bd7 (11...d5 12.Ng5=) 12.e4+= Rfe8 13.Re1 Rad8 14.e5 (14.Qb3 Bg4+=) 14...de5= 15.Ne5 Nc8 (15...Bf5 16.g4 Be6 17.f4+=) 16.d5 cd5 17.cd5 Qd6 18.Ndc4 (18.Qb3 Nb6 19.Ndc4 Nc4 20.Nc4 Qa6+=) 18...Qb8 (better is 18...Qb4!? 19.Bd4 Qb5=+) 19.Nd7+= Rd7 (19...Nd7 20.Bg7 Kg7 21.Qd4 Kg8 22.a4+=) 20.Ne5 (20.Qf3 h6 21.Be5+–) 20...Rdd8 21.Qb3 Nd6 22.a4 b6? (better is 22...e6+=) 23.Nc6+– Qa8 24.Nd8 Qd8 25.Rc6 Qd7 26.Rec1 Rc8 27.Qc2 Nfe8?? 28.Rc8 Nc8 29.Bg7 Ncd6 30.Be5 f6 31.Bd6 Nd6 32.Qc7 Qc7 33.Rc7 Kf8 34.Ra7 Ke8 35.a5 ba5 36.ba5 1–0. gbsr (2165) – kostaspetidis (2340), net–chess.com, 2003.

7.0-0 Be6 8.d3 Qc8 9.Re1 Na6 10.Qb3 d5 11.Ng5 dc4 12.dc4 Bd7 13.Nd2 Nc7 14.Rad1 Ne6 15.Nde4 Ne4 16.Ne4 Bb2 17.Qb2 Ng7 18.Nc5 Be6 19.Qc3 Rb8 20.Nb3 Qc7 21.c5 Rfd8 22.a4 Bd5 23.Bd5 Rd5 24.Rd5 cd5 25.b5 Rc8 26.Rc1 e6 27.c6 b6 28.Nd4 Ne8 29.Nf3 f6 30.Rd1 Rd8 31.g4 g5 32.h4 h6 33.hg5 hg5 34.Kg2 Qf4 35.Rd4 Qc7 36.e4 de4 37.Re4 e5 38.Re1 Qf7 39.Qe3 Rd5 40.Rh1 Nc7 41.Rh6 Ne6 42.Kg3 Nf4 43.Rh1 Ne6 44.Qe4 Nd4?? 45.c7!+– Rc5 46.Nd4 Qc7 47.Qg6 (47.Qg6 Qg7 48.Qe8 Qf8 49.Rh8 Kh8 50.Qf8 Kh7 51.Qf7 Kh8 52.Nf5 Rc3 53.Kg2 Rc7 54.Qc7 a6 55.Qg7#) 1–0. Ulankov,A – Kudryashov,O, Gorodets RUS, Open, 2012. (=1.c4 Nf6 2.g3 d6 3.Bg2 g6 4.b4 Bg7 5.Bb2 0-0 6.Nf3 c6)

7.0-0 Be6 8.d3 Qc8 9.Re1 Bh3 10.Bh1 e5 11.Nbd2 Na6 12.Qb3 h6 13.Rac1 c5 14.b5 Nc7 15.a4 Rb8 16.Ne4 Ne4 17.de4 Ne6 18.e3 b6 19.Red1 Rd8 20.Rd2 Bf8 21.Qc3 Qc7 22.Ne1 Kh7 23.Nd3 f6 24.f4 Ng7 25.Nf2 Be6 26.g4 Bg8 27.g5 fg5 28.fe5 de5 29.Rd8 Rd8 30.Bf3 Bd6 31.Ng4 Qf7 32.Rf1 Qc4-/+ 33.Ne5 Qc3 34.Bc3 Be5 35.Be5 Bb3 36.Ra1 c4 37.a5= Ne6 38.ab6 ab6 39.Ra7 Kg8 40.Bg4 Nc5 41.Rg7 Kf8 42.Rg6 Ne4 43.Rh6 c3 44.Rh8 Ke7 45.Rh7 Kf8 46.Rh8 Ke7 47.Rh7 Kf8 48.Rh8 ½–½. Hilton,Stephen – Shim Ng Min,Francis, 38. LSS No Engine Cup Preliminary, 2011.

7.0-0 Be6 8.d3 Qc8 9.Re1 Bh3 10.Bh1 Bh6 11.Nbd2 Nh5 12.c5 dc5 13.bc5 Nd7 14.Qc2 Qc7 15.Ne4 Rad8 16.Rab1 Bg7 17.Qa4 Nhf6 18.Bf6+/– Nf6 19.Nf6 Bf6 20.Qa7 Bc8 21.Qb6 Qb6 22.Rb6 Rd5 23.Rc1 Bd4 24.Nd4+– Rd4 25.Rc3 Ra4 26.a3 Rd8 27.f4 f6 28.Kf2 e5 29.fe5 fe5 30.Rb4 Rd4 31.Rd4 ed4 32.Rb3 Ra5 33.Bc6! bc6 34.Rb8 Rc5 35.Rc8 Kf7 36.Rc7 Ke6 37.Rh7 Ra5 38.Rc7 c5 39.Rc6 Kf5 40.Kf3 1–0. Mastrovasilis,A (2440) – Papadopoulou,T (2135), 3rd Open, Patras GRE, 2001.

7.a4 e5 8.d3 Re8 9.Nbd2 Nbd7 10.0-0 a5 11.b5 Qc7 12.e3 Nc5 13.Nb3 Nb3 14.Qb3 Be6 15.Ng5 Bc8 16.f4 h6 17.fe5 de5 18.b6 Qd8 19.Nh3 Be6 20.Rab1 Nd7 21.Ba3 Ra6 22.Nf2 f5 23.g4 Bf8 24.gf5 gf5 25.Bf8 Rf8 26.Qc3 Rb6 27.c5 Rb1 28.Rb1 Qc7 29.d4 Rf7 30.Kf1 ed4 31.Qd4 Nf6 32.Nh3 Ng4 33.Nf4 Rd7 34.Ne6 Qh2 0–1. Davis,E – Pyrich,G, Scottish Championship, 1994.

7.Nc3 Na6 8.Qb3 Qb6 9.a3 e5 10.d4 ed4 11.Na4 Qd8 12.Nd4 c5 13.Nb5 Qe7 14.0-0 cb4 15.ab4 Nc7 16.Qe3 Qe3 17.fe3 Nb5 18.Bf6 Nc7 19.Nc3 Bf6 20.Rf6 Rd8 21.Nd5 Ne8 22.Rf4 Be6 23.Rh4 Kh8 24.h3 Rdc8 25.b5 Rd8 26.Ra5 a6 27.Nb6 Ra7 28.Na4 Rb8 29.Kh2 Ng7 30.e4 Bc4-/+ 31.b6 Raa8 32.Nc3 Ne8 33.e5 Bb3 34.Ne4 d5 35.Ng5 f6 36.Rh7+/– Kg8 37.ef6 Nf6 38.Rf7 Ne4 39.Be4 de4 40.Re7 e3 41.Ra3 Bd5 42.Nh7 Bc6 43.Rae3 Rd8 44.R3e6 Rd1 45.Rg6 Kh8 46.Rc6! Rf1?? 47.Rh6 Kg8 1–0. Comet B25 – EXchess 3.11, 2004.

7.Nc3 d5 8.d3 dc4 9.dc4 Qb6 10.Qb3=.

7.Nc3 d5 8.d3 Be6 9.Nd4 (9.Qb3 h6=) 9...dc4 (9...Bd7 10.cd5 Nd5 11.Nd5 cd5 12.e3=) 10.Ne6+= fe6 11.dc4 Nbd7 (11...Qb6 12.a3 Nd5 13.c5+=) 12.0-0 Qc7 (12...Qb6 13.Qb3 a5 14.b5+=) 13.Qb3 (13.Bh3 Qe5+=) 13...c5 (13...a5 14.Bh3+=) 14.a3 Rad8 15.Nb5 Qb6 16.a4 (16.Rad1+/–) 16...a5 (16...cb4!? 17.a5 Qc5+=) 17.ba5+– Qa5 18.Bc3+/– Qa8 19.Nc7+– Qc8? 20.Ne6 b6 21.Bd5 Nd5 22.Bg7 (22.Bg7 Rf7 23.cd5 Rg7 24.Ng7 Kg7 25.Qe3+–; 22.Ng7? Nc3 23.Qc3 Rf6–+) 1–0. algernon (2290) – mrazo (2110), net–chess.com, 2005.

7.Nc3 d5 8.cd5 Nd5 9.Qa4=.

7.Nc3 Bg4 8.0-0 d5=.

7.Nc3 Bg4 8.0-0 Re8 9.d4 Qc7 (9...Nbd7 10.b5=) 10.Rc1 (10.h3 Be6 11.Qd3 Qd7+=) 10...Nbd7 11.e4 (11.h3 Bf3 12.Bf3 e5=) 11...Rad8 (11...e5 12.d5=) 12.Re1 (12.h3 Bf3 13.Bf3 e5+=) 12...Nb6 (12...e5 13.d5=) 13.Qb3 (13.Qd3 e5+=) 13...Bd7 (13...e5 14.d5=) 14.e5 (14.a4 Be6 15.d5 Bg4+=) 14...de5 15.de5 Nh5 (15...Ng4 16.c5 Na8 17.e6 fe6 18.Ng5+/–) 16.Rcd1 (16.c5 Nc8+=) 16...Bg4 (16...Be6 17.Re4=) 17.c5+= Nc8 (17...Nd7 18.Ng5 Bd1 19.Qf7 Kh8 20.Ne6 Qe5 21.Rd1+/– (< 21.Re5 Ne5 22.Ng7 Nf7 23.Ne8 Bg4-/+)) 18.Rd8= Rd8 19.Ng5 Rf8 20.h3 Bd7 21.Nf7 Rf7 22.e6 Be6 23.Qe6 Kf8 24.Nd5 Nf6?? 25.Nc7+– (25.Nc7 Kg8 26.Qc8 Bf8 27.Qb7+–) 1–0. gbsrao (2115) – guerino (2110), net–chess.com, 2006.

7.Nc3 Bg4 8.h3 Bf3 9.Bf3 a5 10.b5+= d5 11.bc6 bc6 12.Qb3 Na6 13.Rb1 Rb8 14.Qa4 d4 15.Nd1 c5 16.0-0 Qb6 17.e3 e5 18.d3 Qc7 19.Rc1 de3 20.fe3 e4 21.Bf6 Qg3?? 22.Bg2+– Bf6 23.Rf6 ed3 24.Ra6 Qe1?? 25.Kh2 f5 26.Qd7 Rbd8 27.Qe6 Kh8 28.Ra7 Rde8 29.Re7 (29...Re7 30.Qe7+–; 29.Qd7 Qg1 30.Kg1 Re7 31.Qe7 Rf7 32.Qf7 d2 33.Qh7#) 1–0. Braden,D – Oppedal,David, Coffee Quads, 1993.

7.d3 a5 8.b5 cb5 9.cb5 a4 10.0-0 Nbd7 11.d4 Nb6 12.Nfd2 d5 13.Ba3 Bd7 14.Nc3 Re8 15.Bc5 e5 16.de5 Re5 17.Rc1 Bg4 18.h3 Bf5 19.Nf3 Re8 20.Nh4 Be6 21.e4 Nbd7= 22.Nd5 Nc5 23.Rc5 Nd7 24.Rc2+/– Be5 25.Nf3 Bb8 26.Qd4 Bd5 27.Qd5 Nb6 28.Qb7 Ra7 29.Qc6 Rc7 30.Rd2 Rc6 31.Rd8 Rd8 32.bc6 Rc8 33.Nd4 Rd8? 34.Nb5+– Na8 35.Rb1 Rc8 36.Rc1 Kf8 37.Nc3 a3 38.Bf1 Rd8? 39.Nd5 Re8 40.Nf6 (40.Nf6 Rd8 41.Nd7 Ke8 42.e5+–) 1–0. Vokroj,Rene – Reiner,T, Austria, 1992.

7.d3 Qb6 8.a3 a5=.

7.d3 Qb6 8.Qb3 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 12.0-0 e5 13.Nbd2 h6 14.Rb1 Re8 15.b5 Nc5 16.Qc2 Qc7= 17.Nb3 e4 18.Nfd4 ed3 19.ed3 Nb3 20.Qb3 c5 (21.b6 Qb8=). Fernandez Fornes,Juan – Acha,Jorge, corr CAPA Copa de Maestros III, 1997.

7.d3 Qb6 8.Qb3 a5 9.b5 a4 ½–½. Barendswaard – Poncin, corr 1996.

7.d3 Nbd7 8.Nbd2 e5 9.a4 Qe7 10.0-0 Ne8 11.a5 Rb8 12.Rc1 f5 13.Rc2 Nc7 14.Qa1 h6 15.b5 (15.Nh4 Kh7=) 15...c5 (15...cb5!? 16.cb5 Nb5 17.Qa2 Kh7-/+) 16.Nh4= Kh7 17.f4 ef4 18.Bg7 Qg7 19.Qg7 Kg7 20.gf4 Nf6 21.h3 Ne6 22.e3 Bd7 23.Nb1 Kh7 24.Nc3 Nc7 25.Re2 Nh5 26.Kh2 g5 27.fg5 hg5 28.Nf3 Kh6 29.Nd2 Be6 30.b6 ab6 31.ab6 Na6 32.Ndb1 Nb4 33.Rd2 Rfd8 34.Nb5 Nd3 35.Rd3+/– Bc4 36.Rd6 Rd6 37.Nd6 Bf1 38.Bf1 f4 39.ef4 Nf4 40.Nc3 Rd8?? 41.Nf7 (41.Nf7 Kg7 42.Nd8+–) 1–0. Kuehn,Thomas – Rueppel,Guenter, Open, Bad Zwesten GER, 1999.

7.d3 Bg4 8.Nbd2 Nbd7 9.0-0 e5 10.Qc2 Bf3 11.Nf3 d5 12.Ne5 Ne5 13.Be5 dc4 14.dc4 Qe7 15.Bc3 Rfe8 16.e3 Rad8 17.Rfd1 Rd1 18.Rd1 Rd8 19.a3 Ng4 20.Bg7 Kg7 21.Bf3 Ne3 22.Qc3 Kh6 23.Rd8 Qd8 24.Qe3 Kg7 25.h4 Qf6 26.Kg2 1–0. grajaro (1845) – bulim, kurnik, 2012. (=1.Nf3 d6 2.g3 g6 3.c4 Nf6 4.Bg2 c6 5.b4 Bg7 6.Bb2 0-0)

7.d4 a5 8.b5 cb5 9.cb5 a4 10.Na3 Qb6 11.Nd2 d5 12.0-0 Bd7 13.Rb1 Rc8 (13...Bb5? 14.Bc3+– (< 14.Nb5 Qb5 15.e4 de4=+)) 14.Rc1 Rc1 15.Qc1 Bb5 16.Nb5 Qb5 17.Qc8 Bf8 18.Ba3 Qa6 19.Rb1 Nc6 20.Qb7 Qb7 21.Rb7 Nd4 22.Be7? Ne2-/+ 23.Kf1 Be7 24.Ke2 Bc5 25.Rb5 Re8 26.Kf1 Rc8 27.Ke2 Re8 28.Kf1 ½–½. Torres,JL – Silva Nazzari,Roberto, URU–ch Uruguay, 1983.

7.d4 Nbd7 8.0-0 Re8 9.e3 d5 10.Nbd2 a5 11.a3 dc4 12.Nc4 ab4 13.ab4 Ra1 14.Qa1 Nd5 15.Qa3 N7b6 16.Na5 Qd6 17.b5 Qa3 18.Ba3 cb5 19.Rb1 Nc4 20.Nc4 bc4 21.Ne5 Be5 22.Bd5 Bd6 23.Bd6 ed6 24.Bc4 Re7 25.Rb6 Rc7 26.Bd5 Rd7 27.f3 Kf8 28.g4 h6 29.Kf2 Ke7 30.Kg3 Kd8 31.h4 Kc7 32.Rb2 b6 33.e4 Bb7 34.Bb3 f6 35.g5 hg5 36.hg5 fg5 37.Kg4 Rh7 38.Kg5 Rh3 39.Bd1 Rg3 40.Kf6 Rg1 41.Be2 Rg2 42.Ke7 d5 43.e5 g5 44.Rc2 Kb8 45.Kd6 Rh2 46.e6 Bc8 47.Rc8! Kc8 48.Ba6 Kb8 49.e7 (49.e7 Rh8 50.Bb5+–; 49.Kd5 Kc7 50.Bb5 Rb2+=) 1–0. Winter,Erwin – Mueller,Wieland, Verbandsliga Sued Baden, 1994.

7.d4 e5 8.0-0 Nbd7 9.Nbd2 Qe7 10.e4 Ne8 11.Qc2 Nc7 12.a3 f5 13.Rfd1 f4 14.de5 Ne5 15.Ne5 Be5 16.Be5 de5 17.c5 Be6 18.Bf1 Qf6 19.Bc4 Kh8 20.Be6 Ne6 21.Nc4 Nd4 22.Qb2 Rad8 23.Kg2 fg3 24.fg3 Qf3 25.Kh3 Rf4 0–1. Olafsson – Gudmundsson, 1955.

7.0-0 Nbd7

8.b5 Qc7 9.Nc3 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 e5 13.d4 e4 14.Nd2 d5 15.Qa7 Qb6 16.Qb6 Nb6 17.c5 Nbd7 18.Ra1 e3 19.fe3+/– Re8 20.Nb3 Ng4 21.e4 de4 22.Ne4 cb5 23.Ra8 Bf8 24.Nf2 Ne3 25.Bb7!! Bb7 26.Re8 Nc4 27.Rd8 Nf6 28.Bc1 Kg7 29.Bg5 Ne4 30.Ne4 Be4 31.Kf1 f6 32.Rd7 (32...Kg8 33.Bf6+–) 1–0. Marre – mileg, zagraj.pl, 2003.

8.Nc3 a5 9.b5 Qc7 (9...e5 10.d4+=) 10.d3 (10.Rb1 Nb6 11.d3 e5=) 10...e5 11.Rb1 (11.d4 e4 12.Ng5 d5=) 11...Nc5 (11...Re8 12.d4=) 12.d4+= Ne6 (12...ed4!? 13.Nd4 Bd7+=) 13.de5+/– de5 14.Ne5 Qe5 (14...Rd8 15.Nd3+/–) 15.Nd5 Qb2?? (15...cd5 16.Be5) 16.Ne7+– (16.Rb2?! cd5 17.cd5 Nd5+=) 16...Kh8 17.Rb2 Bd7 18.bc6 bc6 19.Nc6 Ng4 20.Rb8 Bc6 21.Rf8 Rf8 22.Bc6 Rd8 23.Bd5 Bd4 24.e3 Bf6 25.Qg4 (25.Qg4 h5 26.Qh3+–) 1–0. Atterl – snowshinethedog, ChessWorld.net, 2005.

8.Nc3 e5 9.d3 Re8 10.Nd2 Nf8 11.a4 d5 12.a5 Rb8 13.cd5 cd5 14.b5 Bf5 15.Qb3 Be6 16.Qb4 N8d7 17.d4 e4 (17...ed4 18.Nd1 Bg4 19.Bd4 Be2 20.Re1=+) 18.e3= h5 19.a6 b6 20.Qb3 h4 21.Na2 Nh7 22.Nb4 Qg5 23.Nc6 Ra8 24.Ba3 Qh5 25.Qd1 Bg4 26.f3 ef3 27.Bf3 hg3 28.hg3 Re3 29.Bd6 Ndf6 30.Ra3 Bh6-/+ 31.Re1? Ra3–+ 32.Ba3 Ng5 33.Bg4? Ng4–+ 34.Qe2 Nh3 35.Kf1 Ne3 (35...Ne3 36.Qe3 Be3–+) 0–1. Raaste,Eero J (2375) – Wedberg,Tom (2495), Nordic–ch Esbjerg, 1983.

8.Nc3 e5 9.d4=.

8.d3 a5 9.Qd2 ab4=+ 10.Qb4 Nc5 11.Nc3 Qa5 12.a3 e5 13.Qa5 Ra5 14.Rfb1 Bg4 15.h3 Bf3 16.Bf3 Nb3 17.Ra2 Nd2 18.Rc1 d5 19.cd5 Nf3 20.ef3 Nd5 21.Kh2 Nc3 22.Bc3 Rd5 23.Rb2 Rd3 24.Rb7= Rf3 25.Kg2 e4 26.Bg7 Kg7 27.a4 Rd8 28.Rc2 Rd4 29.a5 Ra3 30.Ra7 Rda4 31.Rc5 Ra2 32.Kf1 R4a3 33.Re5 h5 34.Ke1 Rc2 35.Kf1 Ra1–+ 36.Kg2 Raa2 37.Kg1 Rf2 38.Re4 Rg2 39.Kf1 Rh2 40.Kg1 Rh3 41.Re3 h4 42.Ra8 Rg3 43.Rg3 hg3 44.a6? f5 45.a7 0–1. Comet B25 – Doctor? 3.0, 2004.

8.d3 a6 9.Nbd2 b5 10.Nd4 Bb7 11.Nc6 Bc6 12.Bc6 Rb8 13.cb5 ab5 14.Rc1 Qb6 15.Nb3 e5 16.Bg2 Bh6 17.Rc6 Qa7 18.Na5 Rb6 19.Bc1 Bg7 20.Be3 Nc5 21.Rb6 Qb6 22.Nb3 Ng4 23.bc5 dc5 24.Bc5 Qd8 25.Bf8 1–0. Kaupp,Wolfgang – Becker,Ralf, Baden opA (Leimen) (1), 2001.

8.d3 Qc7 9.Nbd2 Rb8 10.Qc2 b6 11.Nd4 Bb7 12.b5 c5 13.Nc6 Bc6 14.Bc6 e6 15.Bg2 d5 16.a4 dc4 (16...Rfd8 17.e3+=) 17.Nc4+/– Ne8 18.Bg7 Ng7 19.Qb2 Nf5 20.Rfc1 Nd6 21.Ne3 Nb7 22.Bc6 Na5 23.Bd7 Qd7 24.Ng4 Qd4 25.Qd4 cd4 26.Rc7 Nb3 27.Rb1 Nc5 28.Rb4 e5 29.Ne5 Rbe8 30.Nd7 Nd7 31.Rd7 Re2 32.Rbd4 Rc8 33.Rf4 f5 34.Rc4 Rce8? 35.Rcc7 Ra2 36.Rg7 Kh8 37.Rh7 Kg8 38.Rcg7 Kf8 39.Ra7 Kg8 40.Rhb7 Re1 41.Kg2 (41.Kg2 Kf8 42.Rb6+–) 1–0. Gourlay,I (2345) – Montgomery,R (1940), ch–SCO, Edinburgh SCO, 2009.

8.d3 e5 9.Qc2 Nh5 10.e4 Qb6 11.Bc3 f5 12.ef5 gf5 13.Nbd2 Ndf6 14.c5 dc5 15.Ne5 Be6 16.Ndc4 Qc7 17.bc5 Nd5 18.Bb2 Nhf6 19.Rfe1 Rae8 20.Rab1 Re7 21.Ba3 Rb8 22.Nd6 Qa5 23.Nec4 Qc3 24.Qc3 Nc3 25.Rb3 Ncd5 26.Bh3 Kf8 27.Kf1 Ng4 28.Kg2 Bd4 29.Bg4 fg4 30.Re4 Bg7 31.Bb2 Kg8 32.Bg7 Kg7 33.Rb2 Nf6 34.Re3 Nd5 35.Re1 Nc3 36.Nf5 Bf5 37.Re7 Kf6 38.Rbb7 Rf8 39.Ne5 Nd5 40.Rf7 Rf7 41.Nf7 a6 42.d4 Nc3 43.Nd6 Be6 44.Rh7 Na2 45.Kf1 Nc1 46.Rb7 Nb3 47.Rb4 Nd2 48.Ke2 Nf3 49.Ra4 Bd5 50.Ke3 Kg5 51.Ra6 Nh2 52.Ne4 Kf5 53.Nd2 Bg2 54.Ra8 Kg6 55.Rh8 Bh3 56.Kf4 Kg7 57.Rh4 Kf7 58.Rh6 1–0. Haase – Aldridge, 1992.

8.d3 e5 9.Nbd2 Re8 10.Qc2 d5 11.a3 b5 12.e4 Rb8 13.ed5 cd5 14.Rfe1 Qc7 15.Rac1 e4 16.de4+/– dc4 17.a4 ba4 18.Qa4+/– Nb6 19.Qa1 Nh5 20.Bg7 Ng7 21.Bf1 Bg4 22.Nd4 Qe7? 23.Nc6+– Qg5 24.f4 Qh5 25.Nb8 Rb8 26.Qa7 Nd7 27.Rc4 Rd8 28.Rd4 Bh3 29.Bh3 Qh3 30.f5 Ne6 31.Rd7 Rd7 32.Qd7 gf5 1–0. Fritz 8 – Fritz 5.32, 2004.

8.d3 e5 9.Nbd2 Nh5 10.Qc2 f5 11.a4 (11.c5 d5=) 11...f4 (11...Qf6 12.a5=) 12.g4+= Nhf6 13.g5 Nh5 (13...Ne8 14.Ne4+=) 14.Ne4 Qe7 (14...Qc7 15.a5+=) 15.a5 (15.b5 Qe6+=) 15...a6 (15...d5 16.cd5 cd5 17.Qb3+=) 16.Rfd1 (16.c5 d5 17.Nd6 Qe6+=) 16...Nb8 (16...d5 17.cd5 cd5 18.Qb3+–) 17.Qb3 (17.d4 ed4 18.Nd4 Nd7+/–) 17...Bf5 18.Ba3 Qe6 19.b5 Be4 20.de4 ab5 21.Bd6 Re8 22.Bb8 Rab8 23.Nd2 bc4 24.Nc4 Kh8 25.h4 Red8 26.Bh3 Qf7 27.Rab1 f3 28.e3 Rd1 29.Rd1 Qg8 30.Bg4+– h6 31.Rd6 hg5 32.hg5 Kh7 33.Bf3 Qe8 34.Qd1 Bf8 35.Rd7 Ng7 36.Bg4 Kh8 37.Nd6 Bd6 38.Qd6 (38.Qd6 Qd7 39.Qd7+–; 38.Rd6?! Ra8 39.Qd2 c5+–) 1–0. bschardein (2175) – waldokitty (2165), net–chess.com, 2006.

8.d3 Re8 9.Nc3 e5 10.e4 Nf8 11.Ne2 h6 12.Qd2 Bg4 13.Nh4 Nh5 (13...Qb6 14.Nf3=) 14.f3 Be6 15.f4 ef4 16.Bg7 Ng7 17.Nf4 (17.Rf4? g5 18.Rf2 gh4 19.Qh6 Ng6–+) 17...a5 18.Ne6 Nfe6 19.b5 Qg5 20.Qf2 Re7 21.bc6 bc6 22.Rab1 Qc5 23.Rb6 Nd4 24.Rb2 a4 25.Kh1 a3 26.Rbb1 Nge6 27.Qf6 Qg5 28.Qf2 Qe5 29.Qd2 Ng5 30.Qf4 c5 31.Rb6 Ne2 32.Qd2 Nd4 33.Qf4 Nde6 34.Qd2 Kh7 35.Re1 Nd4 36.Rf1 Raa7 37.Qf4 Nge6 38.Qd2 Reb7 39.Rfb1 Nb3-/+ 40.R6b3? Rb3–+ 41.Rf1 Rb2 (41...Rb2 42.Qe3 Ra2–+) 0–1. Van der Laat,Jorge – Boey,Josef Martin (2390), Lugano ol (Men) qual–D, 1968.

8.d4 a5 9.a3 (9.b5 cb5 10.cb5 Nb6=) 9...Qb6 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.c5 dc5 11.dc5 Nc5 (11...Qc7 12.Qc2=) 12.Bf6 (12.Bd4 ab4 13.Bc5 Qc7+/–) 12...Bf6 13.bc5 Qb2 14.Nbd2 Qa1 15.Qa1 Ba1 16.Ra1 Rd8 17.Nc4 Be6 18.Nb6 Rab8 19.e3 Rd3 (19...f6 20.Nd4 Bf7 21.f4+/–) 20.Nd4 Bb3 21.Rc1 Rd8 22.Bc6?? bc6= 23.Kf1 Rd1 24.Rd1= Bd1 25.Nc6 Rd3 26.a4?? Bf3 (26...Bf3 27.Ne7 Kg7 28.Nf5 gf5 29.c6 Rd1#) 0–1. gonso (2470) – honza (2055), net–chess.com, 2002.

8.d4 Qc7 9.Nc3 e5 10.de5 (10.Qd3 ed4 11.Qd4 Ne5=) 10...de5 11.Qc2 Re8 (11...Nb6 12.Nd1 Bf5 13.Qb3=) 12.Rad1 (12.c5 Nd5 13.a3 Nc3 14.Qc3 Nf6=) 12...Nb6 13.c5 Nbd5 14.Nd5 Nd5 (14...cd5!? 15.Qd2 a5=) 15.a3 Bd7 (15...f5 16.Rd2+=) 16.Rfe1 (16.e4!? Nf6 17.Rd6+/–) 16...Rad8 (16...e4 17.Ng5 Bb2 18.Qb2+=) 17.e4+= Ne7 18.Qe2 Bg4 19.h3 Be6 20.Ng5 Bb3 (20...Bd7 21.Rd6+=) 21.Rd8 (21.Qf3 Ba2+/–) 21...Rd8 (21...Qd8 22.Qe3 Ba2+=) 22.h4 (22.Qf3!? h6 23.Qb3 hg5 24.Bc1+/–) 22...Qd7 23.h5 Qd2 24.hg6?? (better is 24.Nf3 Qe2 25.Re2=) Qg5–+ (24...Qg5 25.Qf3 Be6 26.gf7 Bf7–+) 0–1. gbsr (2000) – michelleke (2370), net–chess.com, 2002.

7.0-0 Bg4

8.a4 Bf3 9.Bf3 Nbd7 10.b5 Qc7 11.d3 Rab8 12.Nd2 e5 13.Nb3 h5 14.Rc1 c5 15.e3 b6 16.d4 ed4 17.ed4 Bh6 18.Rc2 Rbe8 19.Bc6 Re7 20.Qf3 Bg7 21.Rd1 Ng4 22.h3 Nh6 23.dc5 Nc5 24.Nc5 dc5 25.Bg7 Kg7 26.Rcd2 Qe5 27.Rd7 h4 28.Re7 Qe7 29.Rd7 Qe5 30.Bd5 Nf5 31.Kg2 hg3= 32.fg3 Nd4 33.Rf7+/– Rf7 34.Qf7 Kh6 35.Qf4 Qf4 36.gf4 Kg7 37.Kg3 Kf6 38.Be4 Ne2 39.Kf3 Nc3 40.Bc2 Na2 41.Ke4 Nb4 42.Bb1 a6? 43.h4 ab5 44.ab5 Ke6 45.Kf3 Kf6 46.Kg4 (46.Kg4 Nd5 47.cd5+–) 1–0. 3gr3sko (1705) – ejdrzej (1635), kurnik, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 0-0 6.Bg2 c6)

8.d3 Na6 9.Qb3 Qd7 10.Rd1 Bh3 11.Bh1 Qc7 12.Nc3 Qb6 13.a3 Ng4 14.d4 Bh6 15.c5 dc5 16.Na4 (< 16.dc5 Nc5 17.Nd5 cd5=+ (17...Nb3?? 18.Ne7)) 16...Qc7 17.dc5 Rad8 18.Qc3 Nf6 19.Qc4 Nd5?? (19...Bg7 20.Be5 Qc8 21.Rd8 Qd8 22.Nc3+=) 20.Nc3 (better is 20.Qh4 Bg7 21.Bg7 Kg7 22.Qh3+–) 20...Ne3? (better is 20...Bg7 21.Ng5 Bf5+=) 21.Qb3?? Nd1-/+ 22.Nd1 Bg7 23.Bg7 Kg7 24.Ne3 Be6 25.Qc3 Kg8 26.Ng5 Qc8 27.Ne6 Qe6 28.Bf3 Nc7 29.Ng4 f6 30.h4 h5 31.Ne3 Nb5 32.Qb2 Nd4 33.Bg2 Qe5 34.Qa2 Kg7 35.Bf1 Qe6 36.Qb2 Rd7 37.Rc1 Rfd8 38.Nc4 Nf5 39.e3 Rd1 40.Kh2? Rf1!–+ (40...Rf1 41.Rf1 Qc4–+) 0–1. Hilton,Stephen – Kappel,Ray, 35. LSS No Engine Cup Preliminary, 2011.

8.d3 Qb6 9.a3=.

8.d3 Qd7 9.Nc3 d5 (9...e5 10.a4=) 10.Ne5+= Qc8 (10...Qd6 11.Ng4 Ng4 12.a3+=) 11.cd5+/– Nd5 (11...Bh3!? 12.Rc1 Bg2 13.Kg2 a5+/–) 12.Nd5+– cd5 13.Bd5 Bh3 (13...Be5 14.Be5 Qd7 15.Be4+/–) 14.Rc1+– Qf5 (14...Nc6 15.Nc6 Qd7 16.Bg7 Kg7+–) 15.e4 Qg5 16.Nf3 Qh5 (16...Qh6 17.Bg7 Kg7 18.Bb7 Bf1 19.Qf1+– (19.Ba8?! Be2 20.Qe2 Qc1 21.Qf1 Qf1 22.Kf1 Na6=+; 19.Kf1?! Nd7+–)) 17.Bg7 Kg7 18.Bb7 Nd7 (18...Bf1 19.Ba8 (19.Qf1 Qf3 20.Ba8 Na6+–) 19...Bh3 20.Rc5+–) 19.Ba8 Ra8 (19...Bf1 20.Bc6 (20.Qf1?! Qf3 21.Bd5 e6+–) 20...Bh3 21.Bd7 Bd7 22.Rc7+–) 20.Nd4 Bf1 21.Qh5 gh5 22.Kf1 Ne5 23.Ke2 Rd8 24.Nf5 Kf6 25.f4 Ng4 26.Rc6 e6 27.h3 Nh2 28.b5 h4 29.g4 Rb8 30.a4 h5 31.g5 Kg6 32.d4 Rd8 33.d5 Kh7 34.de6 fe6 35.Re6 Ng4 36.Re7 Kh8 37.Ra7 Rc8 38.g6 Rc2 39.Kd3 Rh2 40.Ra8 1–0. b4_player – opponent, gamecolony.com, 2007.

8.d3 Re8 9.Nbd2 Qc7 (9...e5 10.h3 Bd7 11.a4=) 10.Rc1 (10.h3 Bd7 11.a3=) 10...d5 (10...Qd7 11.a4=) 11.cd5 (11.Bf6 Bf6 12.cd5 Qd7 13.dc6 Nc6+/–) 11...Nd5+= 12.Bg7 Kg7 13.a3 (13.Qb3 Bf3 14.Bf3 Qd6+=) 13...Nd7 (13...e5 14.d4 ed4 15.Nd4+=) 14.e4 (14.b5 Bf3 15.Nf3 Qd6+=) 14...N5b6 (14...N5f6 15.d4+=) 15.Qb3 (15.d4 e5 16.d5 Rac8+=) 15...Nf6 (15...e5 16.d4=) 16.Ng5 (16.e5 Nfd5+=) 16...Rf8 17.b5 (17.f3 Qe5 18.Nh7 Be6–+) 17...h6 (17...Qe5!? 18.f4 Qd4 19.Kh1 Rac8=) 18.Ngf3+= Be6 (18...Rad8 19.bc6 bc6 20.e5+=) 19.Qb2 Kg8 20.bc6 bc6 21.Nd4 Bd7+= 22.N2f3 Rfc8 23.e5+/– Nfd5 24.Rc2 Rab8 25.Qc1 Kg7 26.Re1 c5 27.e6 Be8 28.Ne5 f6 29.Ng4 Qd6 30.Qh6 Kg8 31.Nf3 g5 32.Ng5! fg5 33.Re5 Nf6 34.Rg5 Bg6 35.Rg6# 1–0. gbsrao (2115) – guerino (2110), net–chess.com, 2006.

8.d3 Bf3 9.Bf3 e5 10.Nd2 Nbd7 11.Qc2 Rb8 12.c5 d5 13.Rab1 Re8 14.Ba1 h5 15.b5 Qc7 16.bc6 bc6 17.Nb3 e4 18.de4 Ne4 19.Be4 Re4 20.Bg7 Kg7 21.e3 Reb4 22.Rfd1 Qe5 23.Rd4 Rd4 24.ed4 Qf6 25.Re1 Nf8 26.Re5 Ne6 27.f4 h4 28.Qf2 hg3 29.hg3 Rh8 30.Kg2 Kg8 31.Qe3 Qg7 32.f5 Nf8 33.fg6+= Ng6 34.Re8 Nf8 35.Qe7 Qh6 36.Kf3 Qh1 37.Kf4 Qf1 38.Ke5 Rh5?? 39.Kd6+– Rh6 40.Kc7 Qf6 41.Qf8 Kh7 42.Qg8# 1–0. wictorio (1915) – ejdrzej (1710), kurnik, 2012. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.Bg2 d6)

8.d4 Qc7 9.Nc3 Rd8 10.a3 Nbd7 11.Qd3 Nb6 12.Rfc1 Be6 13.Nd2=. gbsr (2300) – guerino (2275), net–chess.com, 2003.

8.d4 d5=.

8.e3 Nbd7 9.d4 e5 10.Qb3 ed4 11.Nd4 c5 12.bc5 dc5 13.Nf3 Rb8 14.Nc3 b6 15.Rfd1 Qe7 16.Rd2 Ne4 17.Ne4 Qe4 18.Ne5 Qf5 19.Nd7 Qd7 20.Rd7 Bd7 21.Bg7 Kg7 22.Qc3 f6 23.Rd1 Be6 24.Rd6 Rfe8 25.Bd5 Bd5 26.Qf6 Kg8 27.cd5 Rf8 28.Qe7 Rf7 29.Qe6 Rbf8 30.Rd7 Kg7 31.Rf7 Rf7 32.d6 Rf6 33.Qe7 Rf7 34.Qe5 Kf8 35.Qh8# 1–0. kannisogoet – winotou, kurnik, 2012.

5.g3 Nc6

6.a3 b6 7.Bg2 Bb7 8.0-0 d5 9.cd5 Qd5 10.Nc3 Qd8 11.d4 e6 12.e4 Rb8 13.Qd2 Qd7 14.Rad1 Rfd8 15.Rfe1 Ne8 16.Qc2 Qe7 17.d5 Ne5 18.Ne5 Be5 19.f4 Bc3 20.Qc3 f6 21.e5 f5? (21...Bd5 22.ef6 Qf8 23.Bd5 ed5+–) 22.d6! cd6 23.ed6 Qg7 24.d7 Qc3 25.de8Q Re8 26.Bc3 Re7 27.Rd6 Be4 28.Be4 fe4 29.Re4 Rc8 30.Bd2 Rc2 31.Kf2 Rec7 32.Ree6 Ra2 33.Re3 Rcc2 34.Ke2 Kf8 35.Rd7 Rc1 36.Ree7 h5 37.Rh7 Ke8 38.Rb7 (38.Rb7 Re1 39.Ke1 Ra1 40.Ke2 Re1 41.Ke1 b5 42.Rh8#; 38.Ra7 Rd2 39.Kd2 Rd1 40.Kd1 b5 41.Rh8#) 1–0. Figura,Atila Gajo (2390) – Brylski,Nils, RSX7E – A15 – Engl vs. Koen.Ind–1, 2009.

6.a3 d5 7.cd5 Qd5 8.Nc3 Qh5 9.h3 Ne4 10.Qc2 Ng5 Increases the pressure on h3 11.Ng5 Nd4 12.Qd3 Qg5 13.Ne4 Qd5 14.Bg2 Qd8 15.Rb1 c6 (15...e5 16.e3 Ne6 17.Qd8 Rd8 18.Nc5=) 16.e3+= Nf3 17.Ke2 Qd3 18.Kd3 f5 19.Bf3 fe4 20.Be4 Rf2 21.b5 Bf5 22.Bf5 (22.Bg7 Kg7 23.Bf5 (23.bc6? Rd8 24.Kc3 Be4 25.cb7 Rfd2–+) 23...gf5 24.bc6 bc6 25.Rb7=) 22...Rd8=+ 23.Bd4 (23.Kc4!? cb5 24.Kb5 Rf5 25.Ka4 b5 26.Ka5 Rd2 27.g4-/+) 23...gf5-/+ 24.bc6 bc6 25.Kc3 e5 (25...Bd4 26.ed4 Rf3 27.d3-/+) 26.Ba7 Rfd2 27.a4 e4 28.Kc4 Rc2 (28...Ra8 29.Bb6 Ra4 30.Kc5 Rc2 31.Kd6-/+) 29.Kb3 Rc3 30.Kb4 Ra8 31.Bb6 Rd3 32.a5 Bc3 33.Kc4 Ba5 34.Ra1 Rc3 (34...Bb6?! 35.Ra8 Kg7 36.Rc8 Be3 37.Rc6 Rd4 38.Kb3=) 35.Kd4 Ra3! (35...Bb6?! 36.Kc3 Ra1 37.Ra1 Be3 38.Rf1=) 36.Ba5 (36.Ra3 Bb6 Double attack (36...Bb6 Decoy)) 36...R3a5 37.Ra5 Ra5 38.g4 Rd5 39.Kc4 Kf7 (39...fg4 40.Rg1 h5 41.hg4–+) 40.gf5 (40.Rf1!?=+) 40...Kf6-/+ (40...Rf5?! 41.Kd4=) 41.Rg1 Rd3 (41...Kf5!? 42.h4 Rd3-/+) 42.Rg3=+ Kf5 43.Kc5 Rc3 44.Kd4 Rc1 45.Rg7 Rd1 46.Kc5 Re1 47.Kd4 c5 48.Kc5 Re3 49.Rh7 Rd3 50.h4 e3 51.h5 (51.Re7 Kf4 52.h5 Rd8=+) 51...Ke4 (51...Kf6 52.Rh6 Ke5 53.Rh8=+) 52.h6 (52.Re7 Kf3 53.Rf7 Kg3 54.Rg7 Kf2 55.Rf7 Ke1=+) 52...Rd8 (52...Rd5 53.Kc4 Re5 54.Kc3=+) 53.Re7 Kd3 54.h7 e2 55.Kc6 Rc8 56.Kd7?? (56.Kb5 Rf8=+) 56...Rf8 (better 56...Rh8–+) 57.Kc6=+ Kd2 58.Rd7 Ke3 59.Rf7?? (better 59.Re7 Kd3 60.Rd7 Kc2 61.Re7=) 59...Rc8 (59...Rf7?! 60.h8Q e1Q 61.Qe8 Kd2 62.Qf7=) 60.Rc7 Re8 0–1. Medak,B (2380) – Plenkovic,Z (2400), Mali Losinj CRO (3), 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Nc6)

6.a3 e5 7.d3 d5 8.cd5 (8.b5 Na5 9.Be5 dc4=) 8...Nd5=+ 9.Nbd2 Re8 10.Rb1 a5 11.ba5 Na5 (11...Ra5 12.Bg2=+) 12.Bg2= b6 (12...Nc6 13.0-0=) 13.0-0 Bb7 14.e4 Ne7 (14...Nf6 15.Ne5 Ne4 16.de4 Be5 17.Qc1=) 15.Ne5+= Nec6 16.Nc6 Nc6 17.Bg7 Kg7 18.Qb3 Ne5 Attacking the backward pawn on d3 19.Qb2 Ba6 (19...Qd3 20.f4 Qa3 21.Qa3 Ra3 22.fe5+/-) 20.f4 Bd3 21.fe5 Kg8 22.Rbc1 Bf1 23.Bf1 (worse 23.Kf1 Qd3 24.Kf2 Ra3 25.Rc7 Rd8=) 23...Ra5 (23...Qe7 24.Nc4+/-) 24.Nf3 (24.Bb5 Re6 25.Nf3 Re7+-) 24...Qe7 25.Bb5 Ra3 (better 25...Rd8 26.a4 Ra7+-) 26.Be8 Rf3 27.Bc6 Qg5 (27...Qa3 28.Qa3 Ra3 29.Rf1+-) 28.Rf1 (better 28.Bd5!? c5+-) 28...Qe3 29.Kg2 Rf1 30.Kf1 h5 31.Kg2 (31.Bd5 Kf8+-) 31...h4 (31...Qc5 32.Bd5+-) 32.gh4 (better 32.e6!? fe6 33.Qf6 Kh7 34.Qe6 hg3 35.Qf7 Kh8 36.hg3 Qd2 37.Qf2 Qd6 38.Qb2 Kg8+-) 32...Qf4 33.h3 Qh4 34.Qd2 Qh5 (34...Qe7 35.Qc3+-) 35.Qd8 (35.e6 fe6 36.Qd8 Kg7 37.Qc7 Kh6 38.Qb6 Qg5 39.Kf3 Qh5 40.Kf2 Qh4 41.Ke2 Qh3+-) 35...Kh7 36.Qf6 (36.Qc7 Qe2 37.Kg3 Qe3 38.Kg4 Kh6=) 36...Qe2 37.Qf2 Qd1? (37...Qf2 38.Kf2 Kg7+-) 38.Qf7 Kh6 39.Qf4 (39.Qc7?! Qe2 40.Kg3 Qe3 41.Kg4 Qe2 42.Kf4 Qf2 43.Kg4 Qe2 44.Kf4 Qf2 45.Kg4 Qe2=) 39...Kh7 40.Bd5 c6 (40...Qc2 41.Kg3 Qc5 42.e6+-) 41.Qf7 (41.Qh4 Kg7 42.Qf6 Kh6 43.Bc6 Qd2 44.Qf2 Qg5 45.Kh2 Qe5 46.Kh1 Qc3 47.Qb6 Qh3 48.Kg1 Qg3 49.Kf1 Qf4 50.Ke2 g5+-) 41...Kh6 42.Qf8 Kg5 43.Qf6 Kh6 44.Qh8 (44.Bc6 Qd2 45.Qf2 Qg5 46.Kh2 Qe5 47.Kh1 Qc3 48.Qb6 Qh3 49.Kg1 Qg3 50.Kf1 Qe5+-) 44...Kg5 45.h4 Kg4 46.Be6 (better 46.Qf6!? Qd2 47.Qf2 Qd3 48.Bc6 Qh3 49.Kg1 Qb3+-) 46...Kf4 47.Qf6 Ke4 48.Qg6 Ke5 49.Qf5 Kd6 50.Bc4 Qd2 (50...b5 51.Qe6 Kc5 52.Bb3 Qd2 53.Kg3 Qc3 54.Kf4 Qb4 55.Kg5 Qd2 56.Kg6 Qg2 57.Kf6+-) 51.Kf3 (51.Qf2 Qd1+-) 51...Qc3 (51...Qd1 52.Kg3+-) 52.Bd3 (52.Qd3 Qd3 53.Bd3 Ke6+-) 52...c5 53.Qg6 Ke7 54.Qe4 Kf8 55.h5 (better 55.Ke2 Qb2 56.Ke3 Qc1 57.Kf2 Qb2 58.Kg3+-) 55...c4+= 56.Qf5 Ke7 57.Qe4 Kf8 58.Qf4 (58.Qa8 Ke7 59.Qb7 Kf8 60.Qc8 Ke7 61.Qc7 Ke8 62.Qc4 Qc4 63.Bc4 Ke7+=) 58...Ke7? (better 58...Kg8 59.Qg5 Kf7 60.Qd5 Ke7 61.Qc4 Qc4 62.Bc4 b5+=) 59.Qe3 Kf8 60.Qh6 (60.Be4 Qe3 61.Ke3+=) 60...Ke7= 61.Qg5 Kf8? (61...Ke8 62.Qg8 Ke7 63.Qc4 Qc4 64.Bc4+=) 62.Qf4?? (better 62.Qd8 Kf7 63.Qd7 Kf8 64.Qd6 Kf7 65.Qc7 Kf8 66.Qc8 Kf7 67.Qc4 Qc4 68.Bc4 Kf6 69.Bb5=) 62...Ke7+= 63.Qc4 Qc4 64.Bc4 Kf6 65.Bb5 Kg7 66.Kg4 Kh8 67.Kh4 Kg7 68.Kg5 Kh8 69.h6 Kh7 70.Kh5 Kh8 71.Kg6 Kg8 72.h7 (72.Kf5 Kh7+=) 72...Kh8 73.Bc4 b5 74.Bb3 b4 75.Kf7 1-0. Xiong,Jeffery (2685) - Jones,G (2670), Chess.com Rapid Wk3 Swiss, 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

6.b5 Nb4?? 7.Qb3+– a5 (7...c5 8.a3 Nc6 9.bc6 bc6 10.Bg2+–) 8.a3 Nd3 (8...Na6 9.ba6 Ra6 10.d3+–) 9.Qd3 b6 (9...d5 10.Be5+–) 10.Nc3 Bb7 11.Bg2 Be4 (11...Ne4+–) 12.Ne4 Ne4 13.Bg7 Nc5 (13...Nf2 14.Kf2 Kg7 15.Ne5+–) 14.Qc3 1–0. Pierre – Guestqvocg, internet, 2020.

6.b5 Nb8 7.Qb3 c6 8.a4 d5 9.e3 cb5 10.cb5 Bf5 11.Nc3 Ne4 12.d4 Nc3 13.Qc3 Nd7 14.Rc1 Rc8 15.Qb4 Rc1 16.Bc1 Qc7 17.Ba3 Rc8 18.Bg2 Be4 19.0-0 e5 20.Rc1 Qc1 21.Bc1 Rc1 22.Ne1 ed4 23.f3 de3 24.fe4 Bc3 25.Qe7 Re1 26.Bf1 e2 0–1. NN – COMPUTER, 1994.

6.b5 Na5

7.Qa4 b6 8.d3 Bb7 9.Bc3 c6 10.Bg2 cb5 11.Qb5 Bc6 12.Qb2 d5 13.cd5 Bd5 14.0-0 Re8 15.e4 Bb7 16.e5 Nd5 17.Ba5 ba5 18.Qb7 Rb8 19.Qa7 e6 20.Nbd2 Re7 21.Qc5 Rc7 22.Qa5 Nc3 23.Nc4 Rb5 24.Qc3 1–0. mtrc – greymouser, internet, 2002.

7.Qa4 b6 8.d3 Nb7 9.Bg2 Nc5 10.Qc2 Bb7 11.0-0 d6 12.Nd4 Bg2 13.Kg2 e5 14.Nc6 Qe8 15.Nc3 Ne6 16.Nd5 Nd5 17.cd5 Nd8 18.Nd8 Qd8 19.Rfc1 Rc8 20.e3 f5 21.a4 Rf7 22.a5 Qd7 23.Qc6 Qc6 24.Rc6 Re7 25.e4 Rf7 26.ab6 ab6 27.Ra7 Kf8? 28.Ba3+– Ke8 29.Bd6! Bf8 30.Be5 fe4 31.de4 Bc5 32.f4 Re7 33.h4 Kd8 34.Bf6 Ke8 35.Be7 Ke7 36.Rcc7 (36...Rc7 37.Rc7 Kd8 38.Rc5 bc5 39.Kf3+–) 1–0. MT – guest401, ICC, 2004.

7.d3 c6 8.Bg2+= d5 9.cd5 cb5 (9...Nd5 10.Bg7 Kg7 11.bc6 Nc6 12.0-0+=) 10.e4= e6 11.d6 e5 (11...Qd6? 12.e5 Qe7 13.ef6 Bf6 14.Bf6 Qf6 15.Nbd2+–) 12.Be5 Nc6 13.Bb2 Qd6 14.e5 (14.0-0 Re8=) 14...Qb4+= 15.Bc3 Qe7 16.0-0 Nd5 e5 becomes the focus of attention 17.Bb2 Bf5 (17...Rd8 18.d4 b4+=) 18.Nh4 (18.d4 Rfd8 19.a3 Nb6-/+) 18...Be6-/+ 19.d4 (19.Nf3 Nb6 20.Nc3 Rad8-/+ (worse is 20...Ne5 21.Ne5 Be5 22.Qe2+=)) 19...Rfd8 20.Nd2 (20.Na3 b4 21.Nb5 f6-/+) 20...Ndb4 (20...g5!? 21.Nhf3 g4-/+) 21.Nhf3+= Nd3 (21...g5 22.h3 h5 23.a3-/+) 22.Qb1 Bf5 (22...Nb2 23.Qb2 f6 24.Ne4 fe5 25.de5+=) 23.Nh4?? (better is 23.g4 Nb2 24.gf5+/–) 23...Nb2 (23...Nd4 24.Bd4 Rd4 25.Nf5 gf5 26.Nf3+=) 24.Nf5+= gf5 25.Qb2 (25.Bc6 Rd4 26.Nb3 Rd1 27.Rd1 Nd1 28.Qf5 Qe5 (worse is 28...Be5 29.Bb7 Rd8 30.Qg4 Bg7 31.Rd1 Rd1 32.Qd1 Qb7 33.Qd8 Bf8 34.Nd4+=) 29.Qe5 Be5 30.Bb7 Rd8=) 25...Nd4 26.f4 (26.Nb3 Qe5 27.Nd4 Rd4-/+ (27...Qd4?! 28.Qb5 Qd7 29.Rab1=)) 26...Rac8 (26...Qc5 27.Kh1+=) 27.Nb3 Rc2 28.Qb1 Qc7 29.Rd1 Ne2 (29...Bf8 30.Nd4 Rd4 31.Rd4-/+) 30.Kh1+= Rc8 31.Rd2 (31.Rd5 a5 32.Qd1 a4+=) 31...Rd2 32.Nd2 Qc1 (better is 32...Qd7!? 33.Qe1 Nc3-/+) 33.Qc1= Rc1 34.Rc1 Nc1 35.Bd5 a5 (35...b4 36.Kg2=) 36.Kg2 (36.Nb3!? Nb3 37.Bb3=) 36...a4+= 37.Nb1 (37.Kf3 b4+=) 37...b4-/+ 38.Kf2 Bf8 (38...Na2 39.Ba2 b3 40.Bb3 ab3 41.Ke1-/+) 39.Ke1 (39.Ke3 Bc5 40.Kd2 Na2 41.Ba2 b3 42.Bb3 ab3+=) 39...Na2 40.Ba2 b3 41.Bb3 ab3 42.Kd1 Bb4 43.Kc1 Bc5 44.Nc3 Bg1 45.h3 Bf2 46.Ne2 (46.Nd5 Bg3 47.Kb2 Kg7 48.Kb3 Kg6=) 46...h5-/+ 47.Kb2 (47.Kd2 f6-/+) 47...f6 48.Kb3 Kf7 49.Kc4 Ke6 50.ef6 Kf6 51.Kd5 b5 52.g4?? (better is 52.Nc1-/+) 52...fg4–+ 53.hg4 hg4 54.Ke4 b4 55.Nc1 Bc5 56.Nb3 Bd6 57.Nd4 (57.Nc1–+) 57...g3 58.Ne2 (58.Kf3 Bf4! 59.Ne2–+) 58...b3 59.Kd3 g2 60.Kc3 Kf5 61.Kb3 Bf4 62.Kc2 Ke4 63.Kd1 Be3 (63...Kf3 64.Ng1 Kf2 65.Nh3 Kg3 66.Nf4 Kf4 67.Kd2 g1Q 68.Kc3 Qc5 69.Kb3 Qb6 70.Kc3 Qd6 71.Kc4 Qc6 72.Kd4 Kg4 73.Ke3 Qd5 74.Ke2 Qd4 75.Kf1 Qd2 76.Kg1 Kf3 77.Kf1 Qf2) 64.Ke1 Kf3 65.Kd1 (65.Ng1 Bg1 66.Kd2 Be3 67.Kc3 g1Q 68.Kc4 Qg8 69.Kc3 Qg4 70.Kb3 Qd4 71.Ka3 Bc1 72.Kb3 Ke2 73.Kc2 Qb2) 65...Kf2 (65...Kf2 66.Nd4 g1Q 67.Kc2 Qg6 68.Kc3 Qf6 69.Kc4 Qd4 70.Kb5 Qc5 71.Ka4 Qc4 72.Ka5 Qb3 73.Ka6 Qb6) 0–1. Richardson,John R (2240) – Kotronias,Vasilios (2520), London Classic Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Nc6 6.b5 Na5)

7.d3 d5 8.Na3 Bf5 (8...a6!?=+) 9.Qa4 b6 10.Bg2 Re8 (10...dc4!? 11.Nh4 Bd7 12.dc4 Rc8=) 11.cd5 Nd5? (better is 11...a6+=) 12.Bg7+– Kg7 13.Qd4 f6 14.e4+– c5 15.Qd5 (15.Qd5 Qd5 16.ed5+–) 1–0. algernon (2135) – gbsr (2025), net–chess.com, 2003.

7.d3 d5 8.Qa4 c5 9.Bc3+=.

7.d3 d5 8.cd5 Nd5 9.Bg7 Kg7=.

7.d3 a6

8.a4 b6 9.Bg2= Bb7 10.0-0 d5 11.Nbd2 dc4 12.dc4 Ne4 (12...Ng4!? 13.Qc2 Bb2 14.Qb2 Qd6=) 13.Bg7+= Kg7 14.Qc2 Nd2 15.Qc3 e5 16.Nd2 Qe7 17.Nb3 Bg2 18.Kg2 Nb3 19.Qb3 Rfd8 20.Rfd1 c6 21.Rd8 Qd8 22.Rd1 Qc7 23.Qf3 ab5 24.cb5 Rc8 25.Rc1 c5 26.Rc4 Rd8 27.Qc3 Rd5 28.Qf3 Qd6 29.Rc3 Qe6 30.Qe3 Rd4 31.Ra3 Qd5 32.f3 e4 33.f4 (better 33.a5 ba5 34.Ra5=) 33...Rb4-/+ 34.Qc3 f6 35.Ra1?? (better 35.Kf2 Rb1 36.Qc2 Qd4 37.Re3-/+) 35...e3-+ 36.Kg1 Qd2 37.Qd2 (37.Rc1 Qe2 38.Qe1-+) 37...ed2 38.Rd1 Rd4 39.e3 (39.Kf2 c4 40.Ke3 c3 41.Kd4 c2 42.Rd2 c1Q-+) 39...Rd8 40.a5 (40.Kf2 c4 41.Ke2 c3-+) 40...ba5 41.b6 (41.Kf2 c4 42.Ke2-+) 41...c4 42.Kf2 c3 43.Ke2 c2 (better 43...a4 44.b7 c2 45.Rd2-+) 44.Rd2 c1Q 45.Rd8 Qb2 46.Kf3 (46.Kd1 Qb6 47.Rd3 Qb1 48.Ke2 a4-+) 46...Qb6 47.Rd7 Kg8 48.Rd4 (48.e4 a4 49.Rd3 Qa5-+) 48…a4! 0-1. Duong,Tha (2235) - Ragnarsson,Dagur (2325), Montreal Winter IM, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.a4 d5 9.c5 Qe8 10.Na3 e5 11.Bg2 e4 12.Nd4 Qe7 13.Qd2 (13.Rc1 ed3 14.Qd3 Ne4=) 13...ab5-/+ 14.0-0? (better 14.ab5!? ed3 15.Qd3 Qc5 16.0-0-/+) 14...ba4-+ (14...Qc5?! 15.ab5 Qb6 16.Nac2=+) 15.Nab5 Nc6 16.Qc2 Nd4 17.Bd4 c6 (17...Bf5 18.Nc3-/+) 18.Nc3-/+ e3 19.fe3 (19.Be3 Ng4 Decoy; 19.fe3 Ng4 Decoy) 19...Ng4 20.Rf3 Bd4 (20...Re8 21.Qb2-/+) 21.ed4 Ne3 22.Qc1 (22.Qb2 Ra6-/+) 22...Re8-/+ 23.Rf2 h5 24.Rf4 Bg4 25.h3 Bc8 26.Kh2 (26.Be4 Nf5 27.Bf5 A) worse 27...gf5 28.Ra2+/- (worse 28.Ra4 Ra4 29.Na4 Qe2=+); B) 27...Bf5=+) 26...Kg7 (26...Nf5 27.Qg1 g5 28.Rf3-+) 27.Ra2 a3 28.Be4 (28.Nb1 g5 (28...Ng2?! 29.Kg2 Qe3 30.Qe3 Re3 31.Na3=+) 29.Rf2 h4-/+ (29...Ng2?! 30.Rg2 Qe3 31.Qe3 Re3 32.Ra3=+)) 28...Qe6 (28...de4!? 29.Qe3 ed3-+) 29.Qe3=+ de4 (29...Qh3 30.Kg1 de4 31.de4=+) 30.de4 Qh3 31.Kg1 Kg8 (31...f6 32.Qf2-/+) 32.Nd1 (32.e5 Qe6=+) 32...Qd7=+ 33.Nf2 Ra4 34.e5 Qd5 35.Ra3 (35.Ra1 f5-/+) 35...Ra3-/+ 36.Qa3 g5 37.Re4 f5 38.Qe3? (better 38.Re3!? Qd4 39.Qc1-/+) 38...Qd8-+ 39.g4 fe4 40.Ne4? (40.gh5 Kh8 41.Ne4-+) 40...Bg4 (40...hg4?! 41.Nd6 Re6 42.Qf2-+) 41.Nd6 Re6 (41...Rf8 42.Qb3 Kh8 43.Qc3-+) 42.Nb7 Qf8 43.Qg5 (43.Nd6-+) 43...Kh7 44.Qd8 Qf4 (44...Qf4 45.Qd7 Kh6 46.Qf7 Qf7 47.Kg2 Be2 48.Nd6 Qf3 49.Kh2 Qf2 50.Kh3 Bg4) 0-1. Janzelj,T (2465) - Shevchenko,Kirill (2630), 29th TCh-CRO Div 1b, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3)

8.a4 d5!? 9.Nbd2 dc4 10.dc4 Be6-/+.

8.ba6 Ra6-/+ 9.Bg2 d6 (9...d5 10.cd5 Qd5 11.0-0-/+) 10.0-0 (10.Nc3 Bg4+=) 10...e5 (10...Rb6 11.Bc3 Nc6 12.Nbd2+=) 11.Qc2 (11.Nc3 Nc6+=) 11...Nd7 (11...Nc6 12.Nc3+=) 12.Nc3 (12.Nbd2 Nc6+=) 12...Nc5 13.Nd2 (13.Nd5 Nc6+=) 13...Nc6 14.Nb3 Nd4 15.Qd1 Bf5 (15...Nde6 16.Qd2+=) 16.e4 (16.Nc5 dc5 17.Qd2 Ra7=) 16...Bd7+= 17.Nd4 ed4 18.Ne2 Qa8 (18...Rb6 19.Bd4 Bd4 20.Nd4=) 19.Bd4 (19.Nd4?? Na4 20.Nb5 Nb2–+ (20...Bb2?! 21.Nc7 Qa7 22.Na6 Ba1 23.Qa1 ba6 24.Qf6–+)) 19...Bd4 (worse is 19...Ra2 20.Bg7 Kg7 21.Qb1+=) 20.Nd4 Ra2 21.Ra2 (21.Nc2 Ra1 22.Na1 Qa2+=) 21...Qa2 22.Nb5 Bb5 23.cb5 Qb2 (23...Re8 24.e5 de5 25.d4 ed4 26.Qd4+=) 24.Qb1 (24.d4 Nb3 25.e5 Rd8+=) 24...Qd4-/+ 25.b6 (25.Qa1 Qd3 26.b6 cb6-/+) 25...c6 (25...cb6 26.Qb6 Ra8 27.Re1-/+) 26.Qa1+= Qa1 27.Ra1 Nd3 28.Rd1 Nc5 29.Rd6 Ra8 30.Rd1 Ra6 31.Rb1 (31.Rc1 Na4-/+) 31...Kf8 (31...Nd7 32.f4-/+) 32.e5 (32.Bf1 Ra5 33.e5 Ke7+=) 32...Nd7-/+ 33.f4 Rb6 (33...Nb6? 34.Bf1 Nd5 35.Ba6 ba6 36.Rb7+–) 34.Ra1 (34.Rb6 Nb6 35.Kf2 Nd5-/+) 34...Ke7 35.Bf1 (35.Ra2 f6 36.ef6 Nf6-/+) 35...Rb2 36.Ra3 (36.Ra7 f6 37.ef6 Kf6-/+ (37...Nf6?! 38.Ba6=)) 36...f6 37.ef6 Nf6 38.h3 (38.Re3 Kf7-/+) 38...Kd6–+ 39.Bg2 Nd5 (39...c5 40.Rd3 Kc7 41.Rf3–+) 40.Bf3-/+ b5 (40...Kc5 41.h4-/+) 41.Ra7–+ b4 (41...Nc7 42.Rb7-/+) 42.Rh7-/+ b3 (42...Ne7 43.Rh8-/+) 43.Rb7 c5 44.Rb5 Ne3 45.Rb6 Kd7 46.Rb7 Kc8 47.Rb5 (better is 47.Re7!? Nf5 48.Re5-/+) 47...c4–+ 48.Re5 (48.Rg5 Kd7 49.Re5 Rc2–+) 48...Rb1 49.Kf2 Nd1 50.Bd1?! (50.Ke1 Nb2 51.Kd2–+) 50...Rd1 51.Rb5 Kd7 52.Ke2 (52.f5 gf5 53.Rb7 Kd6 54.Rb6 Ke5–+) 52...Rg1 53.Rd5 (53.Kf2 Rh1 54.Kf3–+) 53...Kc6 (53...Kc6 54.Rd1 Rd1 55.Kd1 Kc5–+) 0–1. Jessel,Stephen (2330) – Bogner,Sebastian (2595), chess.com IoM Masters, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 Nc6 6.b5 Na5).

8.Nc3 d5 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 ab5-/+.

5.g3 d5

6.Na3 b6 7.Bg2=+ Bb7 (7...Na6 8.b5 Nc5 9.Ne5=) 8.0-0= Na6 9.b5 Nc5 10.d4 Nce4 11.Ne5 a6 12.Nc6 Qd7 13.Qc2 ab5 14.Ne5 Qd8 15.cb5 Qd6 16.Nb1 Ra5 (16...Nd7 17.Rd1=) 17.a4 Rfa8 (17...Rc8 18.f3 Ng5 19.Ba3+=) 18.f3+= Ng5 19.Nd2 Qd8 (19...R5a7 20.e3+=) 20.Rfc1 (20.Nb3 R5a7+/-) 20...Ne8 (20...Ne6!?=) 21.f4+= Ne6 22.Qb3 (22.Ndf3 Nd6+=) 22...Nf8 (22...R5a7 23.Nf1+=) 23.e3 e6 24.Bc3 R5a7 25.Bb4 Nd7 26.Bf1 (26.Ndf3 Nd6 27.Bd6 cd6+/-) 26...f6 (26...Ne5!? 27.fe5 Bh6+=) 27.Nc6+/- Bc6 28.Rc6 Kf7?? (better 28...Nd6+/-) 29.Re6+- Nb8 (29...Nc5 30.dc5 Ke6+-) 30.Re7 Kg8 31.Bg2 Bf8 (31...c6 32.Ra7 Ra7 33.bc6 Nc7+-) 32.Qd5 (32.Qd5 Qd5 33.Bd5 Kh8 34.Re8+-) 1-0. Short,Nigel (2635) - Avinash,Ramesh (1830), 19th BCC Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.Qc2 dc4 7.Qc4 Be6 8.Qc1 a5 9.b5 c6 10.bc6 Nc6 11.Bg2 Rc8 12.Qd1 Qb6 13.Bc3 Ne4 14.0-0 Rfd8 15.Bg7 Kg7 16.Qb3?? (better is 16.a4=+) 16...Bb3–+ (16...Bb3 17.ab3 Qb3–+) 0–1. Hilton,Stephen – Biro Jr,Istvan (1705), SD–2009–0-00046, 2009.

6.Qc2 c6 7.Bg2 Qb6 8.a3 dc4 9.0-0 a5 10.Qc4 ab4 11.ab4 Ra1 12.Ba1 Na6 13.Bc3 Nd5 14.Bg7 Kg7 15.b5 Qb5 16.Qb5 cb5 17.Nd4 Ndc7 18.Rc1 Rd8 19.Nb3 Be6 20.Nc5 b6 21.Ne6 Ne6 22.e3 Rd7 23.d4 Rc7 24.Rc7 Nec7 25.Kf1 Kf6 26.Ke2 e5 27.Nc3 ed4 28.ed4 Ke7 29.Kd2 h6 30.h4 Ke6 31.Bf1 Nb4 32.Nb5 Nb5 33.Bb5 Kd6 34.Bc4 Nd5 35.Kd3 f6 36.h5 g5 37.Ke4 Ne7 38.g4 Kc6 39.Bf7 Kd6 40.Bc4 Kc6 41.f4 gf4 42.Kf4 b5 43.Ba2 Kd6 44.Ke4 Kc6 45.Bf7 Kd7 46.Bb3 Kd6 47.Bc2 Kd7 48.Bd3 Kc6 49.Be2 Kb6 50.Bf3 Kc6 51.Be2 Kb6 52.Bd3 Kc6 53.d5 Kd6 54.Bb5 f5 55.gf5 Nd5 56.Kd4 Nf6 57.Be2 Ng8 58.Ke4 Nf6= 59.Kf4 Ng8 60.Bc4 Nf6 61.Bf7 Nd7 62.Be8 ½–½. Schneider,Lars Ake (2465) – Sjoedahl,Pontus, SWE–ch Norrkoeping, 1988.

6.c5 a5 7.a3-/+.

6.c5 Bg4 7.Qb3 Bf3 8.ef3 c6 9.Bg2 e5 10.0-0 Nbd7 11.Nc3 (11.d4 ed4 12.Bd4 Re8=) 11...Nh5 12.Ne2 f5 (12...b6 13.d4+=) 13.d4= Qe8 14.Rfe1 Qf7 15.de5 Ne5 16.Rad1 Rfe8 17.a4 Nc4 18.Bg7 Qg7 19.Qc3 (19.Nc3 f4=) 19...Qc3 20.Nc3 Nf6 21.Bf1 Re1 22.Re1 Re8 23.Re8 Ne8 24.Bc4 dc4 25.Kf1 Kf7 26.Ke2 Ke6 (better is 26...Nc7!?+=) 27.Ke3+= g5 28.Kd4 Nf6 29.Kc4 Ke5 30.b5 cb5? (30...Nd5 31.Nd5 cd5 32.Kd3 f4+/–) 31.Nb5+– (31.Kb5?! Kd4 32.Ne2 Kd3 33.Nc1 Kc2+=; 31.ab5?! a5+/–) 31...Nd7 32.Nd6 (better is 32.Na7 Ke6 33.Nc8+–) 32...b6+= 33.Nf7 (33.f4!? gf4 34.gf4 Ke6 35.Nb7+/–) 33...Kf6= 34.c6 Kf7 35.cd7 Ke7 36.Kb5 Kd7 37.Ka6 Kc6 38.h4 gh4 ½–½. Collen,Benjamin C (1645) – Roets,Marius H, Capablanca Open Chess Festival, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.cd5 Na6 7.a3= Qd5 8.Nc3 Qh5 9.Bg2 Bh3 10.0-0 c6 11.Na4 (11.Bh3 Qh3 12.Ne5 Ng4 13.Ng4 Qg4=) 11...Rad8 12.Qc2 Rfe8 13.d3 e5 (13...e6 14.Bh3 Qh3 15.Nc3=) 14.Nc5 (better is 14.Bh3!? Qh3 15.Be5-/+ (15.Ne5?? Re5 16.f3 Nd5–+)) 14...Nc5+= 15.Qc5 Can e5 get defended? (15.bc5!? Bg2 16.Kg2+=) 15...Bg2-/+ 16.Kg2 e4 17.de4 Qc5 18.bc5 Ne4 19.Bg7 Kg7 20.Rfc1 Rd5 21.Rab1 Rc5 22.Rc5 Nc5 23.Nd4 Re7 24.e3 Ne4 25.Rb2 c5 26.Nb3 b6 27.Kf3 f5 28.h4 h5 (28...Rd7 29.Ke2–+) 29.Ke2 Rd7 30.Rc2 Kf7 31.Nc1 Rc7 32.Nd3 b5 Black plans c4 33.Kf3 (33.f3 c4 (33...Ng3?! 34.Kf2=) 34.Nf4 Nc5–+ (34...Ng3?! 35.Kf2+=)) 33...a5 34.Kf4 (34.Ke2 c4 35.Ke1 Rb7–+) 34...c4 35.f3? (35.Ne5 Kg7 36.a4 ba4 37.Nc4 Nf2 38.Rf2 Rc4 39.Kf3–+) 35...Nc5 36.Nc1 (36.Nc5 Rc5 37.g4 c3–+) 36...Ne6 (better is 36...b4!? 37.e4 b3 38.Rb2–+) 37.Ke5 Ke7 38.Rd2 b4 39.ab4 (39.Rd6 Nc5 40.Rg6 Nd3 (40...ba3 41.Rg7 Kd8 42.Rg8 Kd7 43.Rg7 Kc6 44.Rc7 Kc7 45.Na2 Nd3 46.Kf5–+) 41.Nd3 cd3 42.Rg7 Kd8 43.Rg8 Kd7 44.ab4 ab4–+) 39...ab4 40.Na2 (40.Rd6 Nc5 41.Rg6 Nd3 42.Nd3 cd3 43.Re6 Kd8 44.Rb6–+ (44.Kf5?? d2 45.Rd6 Rd7 46.Rd2 Rd2–+)) 40...c3 41.Rd6 Rc5 42.Rd5 c2 43.Nc1 Rc3 (43...b3 44.Nb3 Rc3 45.Rd6 Re3 46.Kd5 Nc7 47.Kc4 Kd6 48.Nc1 Rf3 49.Ne2–+) 44.e4 (44.Ra5 Re3 45.Kd5 Nc7 46.Kd4–+) 44...b3 0–1. Koksal,R (1870) – Mecit,E (2125), Turkish Cup, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.e3 c6 7.cd5 cd5 8.d4 e6 9.Bd3 a6 10.Ba3 b5 11.0-0 Bb7 12.Nc3 Nbd7 13.Bb2 Nb6 14.a4 ba4 15.Na4 Na4 16.Qa4 Qb6 17.Rfc1 Rfc8 18.b5 ab5 19.Qb4 Bf8 20.Qb5 Rc1 21.Rc1 Qb5 22.Bb5 Rc8 ½–½. Sparreboom,Martin – Szokol,Imre, IECG, 2000.

6.Bg2 e5 7.d3 (7.Ne5 Ng4 8.d4 Ne5 9.de5 Nc6 10.Qd5 Ne5 11.Qd8 Rd8+=) 7...Nh5 (7...dc4 8.dc4 Qd1 9.Kd1=+) 8.Nc3 (8.Be5 Be5 9.Ne5 Qd6+/–) 8...f5 (8...d4 9.Ne4=) 9.0-0 (9.Nd5 e4 10.Bg7 ef3 11.Bf8 fg2+=) 9...Nd7 (9...dc4 10.dc4 e4 11.Nd2=) 10.a4 (10.cd5 Nhf6+/–) 10...Ndf6 (10...dc4 11.dc4 e4 12.Nd2=) 11.a5 (11.Ne5 Be6+/–) 11...Rb8? (11...e4 12.Nd2+=) 12.Qb3 (12.Ne5 dc4 13.dc4 Qe7+–) 12...Kh8? (12...d4 13.c5 Kh8 14.Nb5+/–) 13.b5 (13.Ne5 Qe7 14.d4 dc4 15.Qc4 Be6+–) 13...Be6 14.Qa3 Ng4 15.Rab1 g5? 16.Bc1 h6 17.Nd2 Qd7? 18.a6 b6? 19.Nd5+– Ngf6 20.Nb4 f4?! 21.Nc6 Ra8 22.Bb2 Bh3 23.Ne4 Bg2+/– 24.Kg2 Rf7?? 25.Nf6 Bf6 26.d4! e4 27.d5 Rg8 28.Bf6 Rf6 29.Qc3 Rg7 30.Qd4 f3 31.ef3 Nf4 32.Kh1 Qh3 33.Rg1 Nd3 34.Rbf1 Rf3 35.Rg2 Qf5 36.g4 Qf7 37.Nd8 Qf6 38.Qf6 Rf6 39.Kg1 Ne5 40.Nc6 Nc6 41.bc6 Rf3 42.Rg3 Rgf7 43.Rf3 Rf3? 44.Re1 Rf4 45.f3! Rf3 46.Re4 Kg7 47.Kg2 ½–½. Plachetka,Jan – Tal,Mikhail, Kapfenberg tt, 1970.

6.Na3 a5

7.ba5 Ra5 8.Bg2 c6 9.0-0 Nbd7 10.d3 Qb6 11.Qb1 Qa6 12.cd5 Ra3 13.dc6 bc6 14.Ba3 Qa3 15.Qb3 Qa7 16.Rab1 Ng4 17.h3 Nge5 18.Ne5 Ne5 19.Kh2 Be6 20.Qc2 g5 21.a4 f5 (better is 21...g4!?-/+) 22.f4= (22.Bc6? Rc8–+ (worse is 22...Nc6 23.Qc6 Bc8 24.e3+=)) 22...gf4 23.gf4 Ng6 24.Qc6 Qe3 25.Qf3 Qd4 26.a5 Nh4 27.Qf2 Ng2 (27...Qf2 28.Rf2 Bd4 29.Rff1 Ng2 30.Kg2+=) 28.Qg2= Bd5 29.Qg1 Kh8 30.a6 Rg8 31.a7 (31.Qd4!? Bd4 32.h4=) 31...Be5+= 32.Qd4 Bd4 33.Rb8 Ba7 34.Rg8 Kg8 35.Kg3 Kf7 36.Ra1 Be3 37.Ra5 e6 38.Ra7?? (38.Ra4 Kf6-/+) 38...Kg6 (better is 38...Ba7 39.Kh2 Bf2–+) 39.Ra5 Bd2 40.Rb5 Be1 41.Kh2 h5 42.Rb1? Bd2 43.Kg3 h4! 44.Kh4 Bf4 45.Rg1 Kf6 46.Rf1 Ke5 47.Rf2 Bd2 48.Kh5 Be3 49.Rf1 Bg2 50.Rb1 Bh3 51.Rb2 Bd4 52.Rc2 Kf4 53.Kg6 Ke3 54.Kf7 f4 55.Ke7 Bg4 56.Ra2 e5 0–1. Hadet,E (1975) – Grollemund,B (2160), Avoine FRA, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Na3 a5)

7.ba5 Nc6 8.Bg2 dc4 9.Nc4 Be6 10.Qc1 Qd5 Increasing the pressure on the isolated pawn on a5 11.d3 Na5 12.Ne3 Qc6 (12...Qd7 13.Ng5=) 13.Qd2 (13.Ng5!? Qd6 14.Ne6 fe6 15.Rb1+/–) 13...Qb6 14.Bc3 Rfd8 15.Qc2 Nc6 16.0-0 Qc5 17.Qb2 Ra3 18.Rfc1 Qa7 19.Ne5 Rc3 (19...Ne5 20.Be5 c6 21.Rc2=) 20.Qc3 (worse is 20.Rc3 Ne5 21.Rc7 Nd3 22.Qb7 Qb7 23.Rb7 Ng4=) 20...Ne5 21.Qe5 Nd5 22.Qe4 Ne3 23.Qe3 Qe3 24.fe3 Ba1 25.Ra1 b6 26.a4 c5 27.a5 ba5 28.Ra5 c4 29.Ra3 Rb8 30.dc4 Bc4 31.Kf2 Rb2 32.Bf3 e5 33.Rc3 Bb5 34.e4 f5 35.Re3 f4= 36.Rc3 Bd7 37.h4 Rb1 38.h5 ½–½. Vaitonis,Vytautas – Bastys,Robertas (2235), LTU–chT Vilnius, 2000. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.b5 dc4 8.Bg2 Be6 9.0-0 Bd5 10.Qc2 c6 11.Rfe1 cb5 12.e4 Bc6 13.Nd4 Na6 14.Nab5 Bb5 15.Nb5 Nb4 16.Qc4 Rc8 (worse is 16...Qd2 17.Bc3 Qd7 18.Bb4=) 17.Qb3 Nc2 (worse is 17...Qd2 18.Rad1 Qc2 19.Bf6 Bf6 20.e5+=) 18.d4 Na1 19.Ba1 Qb6 20.a4 Rfd8 21.e5 Ne8 22.d5 Qc5 23.d6 (better is 23.Bc3!? Ra8 24.Rc1+=) 23...ed6-/+ 24.e6 d5 25.ef7 Kf7 26.Re8 (26.Bg7 Kg7 (26...Ng7?! 27.Rd1-/+) 27.Bh3 Rc6–+) 26...Ba1 (better is 26...Qc1!? 27.Bf1 Ba1 28.Re4–+) 27.Re1 Bf6 28.h4 (better is 28.Rd1–+) 28...Kg7 29.h5 Re8 (better is 29...gh5!? 30.Rd1 Qc4 31.Qf3–+) 30.Rd1 Rcd8 31.Bd5 Re7 32.Qf3 Red7 33.h6 Kh6 34.Qf6 Rd5 35.Re1 Rf8 36.Qb2 Rdf5 37.Re2 Qd5 38.Qc1 Kg7 39.Nc7-/+ Rc8?? 40.Qb2+– Kg8 41.Nd5 Rd5 42.Qb3 (42.Qb3 Rcd8 43.Re5+–; 42.Re7 Re5 43.Qe5 Rc1 44.Kg2 Rg1 45.Kg1 b5 46.Qg7) 1–0. Vokac,Marek (2455) – Pribyl,Martin (2325), CZE–ch Turnov, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Na3 a5)

6.Na3 Na6

7.Qb3 dc4 8.Nc4 Be6 9.a4 Qd6 10.b5 Nc5 11.Qc2 Qd5 12.Ne3 Qb3= 13.Nd4 Qc2 14.Ndc2 a6 15.Bg2 ab5 16.ab5 Ra1 17.Ba1 Ra8 18.0-0 Ra5 19.Nd4 Ba2 20.Bc3 Ra4 21.Nf3 Nd5 22.Nd5 Bd5 23.Bg7 Kg7 24.Rc1 Nb3 25.Rb1 Rb4 26.Ne1 Bg2 27.Kg2 Rb5 28.e3 Nd4 29.Rc1 Ne6 30.d4 c6 31.Nd3 Rb3 32.Ne5 f6 33.Nf3 Kf7 34.Ra1 Nc7 35.h4 h5 36.e4 Ke6 37.d5 Kf7 38.dc6 bc6 39.Rc1 Rb6 40.Nd4 Rb4 41.Nc6 Re4 42.Kf3 f5 43.Nd8 Ke8 44.Rc7 Kd8 45.Rc6 Rg4 46.Ra6 Ke8 47.Ra8 Kf7 48.Ra6 f4 49.Ra4 e5 50.gf4 Rh4 51.Ra7 Kf6 52.fe5 Ke5 53.Ra5 Kf6 54.Ra6 Kg5 55.Ra5 Kh6 56.Kg3 Rg4 57.Kh3 Rg5 58.Ra4 Kg7 59.Ra6 Rf5 60.Kg3 g5 61.f3 Rf6 62.Ra7 Kg6 63.Ra4 Re6 64.Ra5 Re2 65.Ra8 h4 66.Kh3 Rb2 67.Rg8 Kf6 68.f4 Rb3 69.Kh2 gf4 70.Rg4 Kf5 71.Rh4 Ke4 72.Rh8 Ke3 73.Ra8 Rb2 74.Kh3 Kf2 75.Ra3 f3 76.Ra1 Re2 77.Kh2 Re1 78.Ra2 Ke3 79.Ra3 Kf4 80.Ra4 Ke3 81.Ra3 Kf2 82.Ra2 Re2 83.Ra1 Rd2 84.Kh3 Rc2 85.Kh2 Rb2 86.Kh3 Rc2 87.Kh2 Rd2 88.Kh3 Ke3 89.Kg3 Ke2 90.Kh2 Rd1 91.Ra2 Ke3 92.Ra3 Rd3 93.Ra1 Ke2 94.Kg3 f2 95.Kg2 Rd2 96.Rf1 Ke3 97.Ra1 ½–½. Hecht – Browne, Wijk 1974.

7.b5 Nc5 8.Bg2 a6 9.d4 Nce4 10.ba6 Ra6 11.0-0 Be6 12.c5 Nd7 13.Qb3 Qa8 14.Nb5 Rc8 15.a4 (15.Rfc1!?=) 15...c6-/+ 16.Nc3 Nec5 17.Qa3 (17.dc5!? d4 18.Qb4 dc3 19.Bc3 Bc3 20.Qc3+=) 17...Na4!-/+ 18.Na4 b5 19.Qe7 Ra4 20.Qd6 (20.Qh4 h6-/+) 20...Nb6 (20...Qb8 21.Qb8 Rb8 22.Ra4 ba4 23.Bc1–+) 21.Ra4 Na4 (21...Qa4 22.Ng5 Nc4 23.Qe7–+) 22.Bc1 Nc3 23.Bb2? (better is 23.e3!?-/+) 23...Ne2–+ 24.Kh1 c5! 25.Ng5 (25.dc5 Bb2) 25...Qc6 26.Qe7 Re8 27.Qa7 Nd4 28.Re1 (28.Bh3 Ra8 29.Qe7 Qe8 30.Qe8 Re8–+) 28...h6 (28...Ra8!? 29.Re6 Ra7 30.Rc6 Nc6 31.Bd5–+) 29.Re6 (29.Bd4 cd4 30.Ne6 fe6 31.f4–+) 29...fe6 (29...Ne6 30.Qf7 Kh8 31.Qg6 hg5 32.Bg7 Kg8 33.Bh6 Kh8 34.Bh3+–; 29...Re6?! 30.Qf7 Kh8 31.Ne6 Qe6 32.Qe6 Ne6 33.Bd5–+) 30.Qf7 Kh8 31.Nh3 Rf8 (better is 31...g5!? 32.Qg6 Rc8 33.f4–+) 32.Qg6 e5 33.Qh5 Qe6 0–1. Burdalev,K (2265) – Teterev,V (2515), Minsk BLR, Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.Na3 c6

7.Qb3 a5 8.b5 a4 9.Qc3 dc4 10.Qc4 cb5 11.Nb5 Be6 12.Qc7 Ra5 13.Qd8 (13.Qb7?? Bd5 14.Qc7 Rb5 15.Qd8 Rd8–+) 13...Rd8 14.Nbd4 Bd5 15.Nc2 Rb5 16.Bc3 Ne4 (16...Ne4 17.Bg7 Kg7-/+) 0–1. Michel,Fritz – Valent,Peter, EU/M71, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.Na3 c6)

7.b5 dc4 8.bc6 Nc6 9.Nc4 Be6 10.Ne3 Ng4 11.Bg7 Ne3 12.fe3 Kg7 13.Bg2 Bd5 14.0-0 e5 15.Qc2 Qe7 16.Qb2 f6 17.Rfc1 Rac8 18.Rab1 b6 19.Ne1 Bg2 20.Kg2 Na5 21.Qb5 Qb7 22.Kf2 Rf7 23.Nd3 Rfc7 24.Rc7 Rc7 25.Rc1 Rc1 26.Nc1 Qc6 27.Qc6 Nc6 28.e4 Kf7 29.Ke3 Ke6 30.Kd3 b5 31.Kc3 Kd6 32.e3 f5 33.ef5 gf5 34.d4 ed4 35.ed4 Kd5 36.Kd3? Nd4-/+ 0–1. Mewes,Karsten – Pielnik,Rainer (2165), Ruhrgebiet VL2, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.cd5 cd5 8.Nc2 a5 9.ba5 Bd7 10.Bg2 Ba4 11.Qb1 Bc2 12.Qc2 Nc6 13.0-0 ½–½. Garcia Ilundain,David (2520) – Becerra Rivero,Julio (2545), Mondariz op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.c5 b6

7.d4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.Qb3 Ne4 12.Nbd2 Bf5 13.Bg2 e6 14.b5 Na5 15.Qb4 Qa8 16.0-0 bc5 17.dc5 Qa7 18.Bg7 Kg7 19.b6 cb6 20.cb6 Qa6 21.Ra1 Ra8 22.b7 Rb8 23.Ra5 Qb7 24.Qb7 Rb7 25.Ne4 Be4 26.Ra1 h5 27.Nd4 Bf5 28.Nf5 gf5 29.f4 Rb2 30.Kf2 Kf6 31.Rd1 Rc2 32.Bf3 Rb2 33.Bh5 Rb8 34.h4 Rh8 35.Bf3 Rh6 36.Rc1 e5 37.Rc6 Kg7 38.Rh6 Kh6 39.Bd5 e4 40.Bf7 Kg7 41.Bc4 Kf6 42.Ke3 Kg6 43.Kd4 Kh5 44.Ke5 Kg4 45.h5 Kh5 46.Kf5 Kh6 47.g4 e3 48.g5 Kh5 49.g6 Kh6 50.Kf6 Kh5 51.g7 Kh6 52.g8Q Kh5 53.Qg5 1–0. racvac001 (1605) – jery68 (1675), kurnik, 2012.

7.Bg2 bc5 8.bc5 c6 9.Qb3 Nbd7 10.Nc3 Nc5 11.Qc2 Ncd7 12.Ba3 Ba6 13.0-0 Rc8 14.Qa4 Bb7 15.Rab1 Nb6 16.Qa7 Nc4 17.Be7 Qe7 18.Rb7 Qd6 19.Ng5 Ra8 20.Qd4 Ne4 21.Nge4 Bd4 22.Nd6 Nd6 23.Rd7 Rfd8 24.Rc7 Rac8 25.Rc8 Rc8 26.Rc1 Nc4 27.d3 Ne5 28.Nd5 Ra8 29.Rc2 cd5 30.Bd5 Rb8 31.Rc7 Rf8 32.Kg2 Ng4 33.e3 Be5 34.Rb7 Nf6 35.Bc4 Nh5 36.f4 Bg7 37.g4 1–0. racvac001 (1620) – sokolniki (1770), kurnik, 2012.

7.Bg2 bc5 8.bc5 Nc6 9.0-0 Rb8 10.Qc2 Bg4 11.d3 Qd7 12.Nbd2 Rfe8 13.Ne5 (13.Rfb1 e5=) 13...Rb2 (13...Ne5 14.Be5 Be2 15.Rfe1+=) 14.Qb2 Ne5 15.Qe5 Ne4 16.Qf4 Nd2 (better is 16...Nc3!? 17.c6 Qc8+=) 17.Qd2= Ba1 18.Ra1 Rb8 19.Qc2 c6 20.Rb1 Qc7 (20...Rb1 21.Qb1 Qc7 22.e3=) 21.e4 (21.Rb8 Qb8 22.h3 Bd7+=) 21...de4 22.Be4 Rb1 23.Qb1 e5 24.Qb4 Be6 25.a4 (25.Qa4 Qe7 26.Qc6 Ba2+=) 25...Bc8 (25...f5 26.Bg2=) 26.h4 Ba6 27.d4 f5 28.Bc2 e4 29.Bb3 Kg7 30.Qc3 Kh6 31.Qe3 Kg7 32.d5 cd5 33.Qd4 Kh6 34.Bd5 Qa5 35.Kg2 Qe1 (35...Bd3 36.c6 Qc7 37.Qb4+–) 36.Qe3 (better is 36.c6!? Qe2 37.c7+– (37.Qa7?! f4 38.Qd4 Qf1 39.Kh2 f3 40.Qe3 Kg7 41.Qc3 Kh6 42.Qd2 Kg7 43.Qb2 Kh6 44.Qd2 Kg7 45.Qd4 Kh6 46.Qe3 Kg7 47.Qa7 Kh6 48.Qe3=)) 36...Qe3+/– 37.fe3 Bc8 38.Ba8 Kg7 39.c6 Kf6 (better is 39...Be6!? 40.Bb7 Bd5+/–) 40.Bb7+– Be6 1–0. Neuman,Petr (2330) – Ungr,Daniel (2155), CZE–chTJ, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

6.c5 c6

7.Nc3 Na6 8.a3 e5+=.

7.d4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Nc7 12.Bg2 Re8 13.Na3 Ne4 14.Bb2 e5 15.Ne5 Be5 16.de5 Ne6 17.0-0 Qc7 18.Qc2 Ng7 19.Be4 de4 20.Qe4 Bf5 21.Qe3 Ne6 22.Nc4 Ra8 23.Nd6 Bc2 24.Rc1 Ba4 25.h4 Bb5 26.Ra1 Ra1 27.Ba1 Ng7 28.Qh6 Be2 29.e6 Ne6 30.f4 Bg4 31.h5 Bh5 32.f5 Qe7 33.fe6 fe6 34.Qg5 Qg5 0–1. racvac001 (1655) – kusocinskiego (1740), kurnik, 2012.

7.Bg2 a5 8.a3 Na6 (8...ab4 9.ab4 Ra1 10.Ba1+=) 9.0-0 b6 10.Ne5 bc5 (10...ab4 11.ab4 bc5 12.bc5+=) 11.Nc6= Qc7 (11...Qd7!? 12.Na5 cb4 13.ab4 Nb4=) 12.b5+= Bb7 13.Be5 Qd7 14.Nc3 Nc7 15.Na4?? (better is 15.Bc7 Bc6 16.b6=) 15...Nb5–+ 16.Nb8 (16.Na5 Ra5 17.Nc5 Qc6 18.Nb7 Qb7–+) 16...Qf5 (16...Rab8?! 17.Bb8 Rb8 18.Nc5–+; 16...Rfb8?! 17.Bb8 Rb8 18.Nc5–+) 17.f4 Nd6 18.e4 Nfe4 19.g4 Qc8 20.Nb6 Qb8 21.Na8 Qa8 22.Qc2 c4 23.h4 Qa7 24.Kh2 Nf2 25.Bf3 d4 26.Bb7 Ng4 27.Kh3 Ne5 28.fe5 d3 29.Qa4 Be5 30.Rae1 Bf6 31.Bf3 Qd4 32.Qa5 Qh4 33.Kg2 Nf5 34.Qc7 e5 35.Qc6 Qg5 36.Kh2 Qd2 37.Bg2 Bg5 38.Qc4 Ne3 39.Qe4 Bf4 40.Kh3 Nf1 41.Rf1 Qe3 42.Bf3 Qe4 43.Be4 Rd8 44.a4 f5 45.Bc6 d2 46.Rd1 Rc8 47.Bb5 Rc3 48.Kg2 Ra3 49.Kf2 e4 50.Ke2 Kg7 51.Bc6 Kf6 52.Rb1 Rh3 53.Rf1 Ke5 54.Bd7 Bg5 55.Bb5 f4 56.Kd2 f3 57.Kc2 e3 58.a5 Rh2 Black plans e2 59.Kb3 e2 60.Ra1 Be3 61.a6 Ba7 62.Kc3 Bd4 63.Kb3 Ba1 64.a7 e1Q 65.a8Q Qc3 (65...Qc3 66.Ka4 Ra2) 0–1. Nieto de la Cruz,Julio (2135) – Fayos Mestre,Jose Maria (1995), Madrid ESP, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.Bg2 Na6 8.a3 Nc7 9.0-0 Bg4 10.h3 Bf5 11.Qb3 Qc8 12.Kh2 Be4 13.d3 Bf3 14.Bf3 a5 15.Nc3 ab4 16.ab4 Ra1 17.Ra1 Nd7 18.Na4 Nb5 19.Bg7 Kg7 20.Qb2 Kg8 21.Nc3 Nd4 22.Bg2 e5 23.e3 Ne6 24.Ne2 Qc7 25.Ra7 Nb8 26.Ra1 b6 27.d4 e4 28.Qa2 b5 29.h4 f5 30.Bh3 Rf7 31.Qa8 Kg7 32.Kg1 h5 33.Kh2 Nd7 34.Bf1 Nf6 35.Ra6 Nd8 36.Nf4 Qb7 37.Qb7+– Rb7 38.Ra8 Rd7?? 39.Rd8! Ra7 40.Rc8 Ng4 41.Kg1 Ra6 42.Be2 Kf7 43.Bg4 fg4 44.Rb8 Ra7 45.Rd8 Ra1 46.Kg2 1–0. Sanchez Gabin,A (1720) – Laseca Arana,Irati, ch–ESP w Padron ESP, 2011.

7.Bg2 Na6 8.Qa4 b6 9.Ne5 Bb7+=.

7.Bg2 Na6 8.Qb3 Nc7 (8...b6 9.Ne5 Qc7 10.cb6 ab6 11.0-0-/+) 9.a4 (9.0-0 Bg4=) 9...a6 (9...Bf5 10.0-0+=) 10.0-0= Bd7 (10...a5 11.d4=) 11.Ne5 (11.d4 Bf5=) 11...Be6 (11...a5 12.Rc1=) 12.d4 Qc8 (12...Nd7 13.Nf3=) 13.Rc1 (13.Nc3 Bf5+=) 13...Bh3= 14.Bh1 (14.Nd2 Bg2 15.Kg2 Ne6=) 14...h5 (14...Ng4 15.Nd2=) 15.f3 (15.Nd2 Ng4=) 15...Nd7+= 16.Nd3 Bh6 (16...Ne6 17.e3+=) 17.Re1 Nf6 18.Nf2 (18.e3 a5=) 18...Bd7 (18...Bf5 19.e4 Bd7 20.Nc3=) 19.Na3 (19.Nc3 a5=) 19...Nh7 (19...Ne6!?=) 20.e4+= Ng5 (20...h4 21.gh4 Nf6 22.Nc2+=) 21.ed5+/– Nd5 22.f4 Nh3 23.Nh3 Bh3 24.Bd5 cd5 25.Qd5 e6 26.Qe4 Bg7 27.Nc4 Qc6 28.Nd6 Rab8 29.b5 Qc7 (29...Qe4 30.Re4 Rfd8 31.Re2+/–) 30.b6 Qd7 31.Re2 Rfd8 32.a5 Bf5 33.Qe3 (33.Qg2 Bf8 34.Nb7 A) 34...Qb7?? 35.c6 Bh3 36.Qe4+– (36.cb7?! Bg2 37.Kg2 Rb7+–; 36.Qh3?! Qc6 37.Qg2 Qb5+/–); B) 34...Rb7?? 35.c6 Bh3 36.Qh1+– (36.cd7?! Bg2 37.Kg2 Rbd7+–; 36.Qh3?! Qc6 37.Qg2 Qb5+–); C) 34...Rdc8+–) 33...Bg4 34.Rd2 Bh3 35.Re1 (35.Bc3 Qc6 36.d5 ed5 37.Bg7 Kg7 38.Qe5 Kg8 39.Rd5 Be6+–) 35...Qa4 36.Qc3 (36.d5 Bb2 37.Rb2 ed5+/–) 36...Qc6 37.Qe3 Qd5 (37...Qa4!?=) 38.Qe4+= Qe4 (38...Rd6!? 39.cd6 Qa5+=) 39.Re4+/– Bf8 40.Nc4 (40.Nb7 Rb7 41.c6+–) 40...Rd7? (better is 40...Rbc8+=) 41.Ne5+– Rd5 42.Bc3 (42.c6 Bb4 43.c7 Rc8+–) 42...f6 (42...Bf5!? 43.Re1 f6+/–) 43.Ng6+– Bf5 44.Nf8 Be4 45.Ne6 Rd7 46.Nc7 White intends d5 46...Rbd8 (better is 46...Bd5+–) 47.d5 (better is 47.Re2 f5 48.Kf2+–) 47...Bd5+= 48.Bf6 Bc6 49.Re2 (49.Ne6 Rd2 50.Nd8 Be4+=) 49...Rd1 50.Kf2 R8d2 51.Bc3 Re2 (51...Rd3 52.Re3=) 52.Ke2 Rc1 53.Kd3 Rh1 (53...Kf7 54.f5+/–) 54.Kd4 (better is 54.Ne6!? Bb5 55.Ke3+–) 54...Rh2 55.Ke5 (55.Ne6 h4 56.gh4 Rh4+=) 55...Rc2 (55...Re2 56.Kf6 Re3 57.Be5 Rg3 58.Ne6=) 56.Bd4= Rd2 (56...Re2!? 57.Kf6 Re4+=) 57.Ne6+= Rd3? (57...Re2 58.Kd6 Be4 59.Kc7+–) 58.f5?? (better is 58.Nd8 Bg2 59.c6 Bc6 60.Nc6 Rg3 61.Nd8+–) 58...Rg3 59.Kf6 (59.Kd6 Bb5 60.f6 Rf3+–) 59...Rf3? (59...h4 60.Ke7 h3 61.f6+–) 60.Ng5 (better is 60.Nd8 Bd7 61.Ke7 Bf5 62.Nb7+–) 60...Rf1 61.Be5 h4 (61...Rc1 62.Bd6+=) 62.Ke6= Be8 63.Bd6 Rf2 1–0. Janacek,Jaroslav (2000) – Pokorny,Jan1 (1875), Praha CZE, Zlata Praha Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.c5 c6)

6.cd5 a5

7.a3 ab4=+ 8.ab4 Ra1 (8...Nd5?? 9.Ra8 Bb2 10.Rb8+–) 9.Ba1 Qd5 10.Nc3 (10.Bg2 Qb5=+) 10...Qd6 11.b5 Bd7 12.Bg2 (12.d4 Rd8=+) 12...Qb4 13.0-0 Bb5 14.Nb5 Qb5 15.Qb1 Qb1 16.Rb1 b6 17.e3 (17.d3 Rd8=+) 17...h6 (17...Rd8 18.Kf1=+) 18.Ne5 ½–½. Brooks,Mark – Grazinys,Vidmantas, IECC, 1998. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5 a5)

7.b5 a4 8.Bg2 Qd5 9.Nc3 Qh5 10.Rb1 a3 11.Ba1 Bh3 12.0-0 Nbd7 13.Nh4 Bg2 14.Kg2 Nd5 15.Nf3 Nc3 16.Bc3 Bc3 17.dc3 Rfd8 18.Qc1 Qc5 19.Rb3 Nf8 20.Rd1 Rd1 21.Qd1 Qc4 22.Qc2 Ne6 23.Rb4 Qd5 24.e4 Qc5 25.Qb3 Rd8 26.Qa3 Rd3 27.Qa8 Kg7 28.Nd4 Nd4 29.Rd4 Rc3 30.Qa4 Rc2 31.Qb4 Qb4 32.Rb4= b6 33.a4 e5 34.Kf3 g5 35.h3 h5 36.Rb3 Kg6 37.Ra3 f6 38.a5 ba5 39.Ra5 Rc5 40.Kg2 g4 41.hg4 hg4 42.Ra8 Kf7 43.Kf1 Rc4 44.Rc8= Ke6 45.b6+/– Rb4 46.bc7 Rc4 47.Rg8 Rc7 48.Rg4 Rc4 49.Rh4 Rb4 50.Kg2 Rc4 51.f3 Kf7 52.Rh8 Rc3 53.Ra8 Kg6 54.Rg8 Kf7 55.Rh8 Kg7 56.Rh1 Kg6 57.g4 Rc2 58.Kg3 Rc8 ½–½. Bazarov,Konstantin (2230) – Danin,Alexandre (2450), RUS Central Region–ch, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.b5 a4 8.Bg2 Bd7 9.Nd4 (9.Bf6 Bf6 10.Nc3 e6+–) 9...Nd5 10.Qc1 (10.Bd5 Bc8 11.Bg2 Bd4 12.Bd4 Qd4+=) 10...Bc8 (10...c6 11.0-0=+) 11.Qc5 (11.Nf3 Nd7=) 11...e6 (11...c6!?=+) 12.0-0= Nd7 13.Qc2 (13.Qc1 a3 14.Na3 Ra3 15.Ba3 Bd4 16.Bf8 Ba1 17.Qa1 Nf8= (worse 17...Qf8 18.Rc1+–)) 13...a3 14.Bc3 Nc3 15.dc3 (15.Qc3? e5 16.Nb3 e4–+) 15...Nc5 16.Qc1 (16.Rd1 Qe7=+) 16...Bd4 (16...e5!? 17.Nc2 Qe7-/+) 17.cd4=+ Qd4 18.Na3 Qb4 19.Nc4 Qb5 20.Qf4 (20.Rb1 Qa4=) 20...c6 (20...Ra4 21.Rfc1–+) 21.Ne5 (21.Rab1 Qa4=) 21...Qe2 (21...f6 22.Ng4-/+) 22.Bf3 (22.Qd4 Na4-/+) 22...Qb2 (22...Qb5 23.Rfd1 Qb6 24.Nc4=+) 23.Rab1=+ Qa3 (23...Qa2 24.Qf6 Nd7 25.Nd7 Bd7 26.Rbd1=) 24.Rfd1 f6 (24...f5!?=+) 25.Ng6= hg6 26.Qh6 Qf3 ½–½. Castano,Jo (2085) – Toro Castaneda,Elizabeth (1950), 12th American Continental, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 a5)

7.b5 Nd5 8.Bg7 Kg7 9.Qb3 a4 10.Qb2 f6 11.Bg2 c6 12.bc6 Nc6=+ 13.Nd4 (13.Nc3 Nc3 14.dc3 a3=+) 13...Nd4 14.Qd4 Be6 15.Na3 Bf7 16.0-0 e5 17.Qb2 Rb8 18.d4 (18.Rac1 Qe7=) 18...ed4=+ 19.Qd4 Qb6 (19...Rc8 20.Qb2=+) 20.Qb6= (worse 20.Qa4 Nc3 21.Qc2 Rbc8-/+) 20...Nb6 21.Rfd1 Nc4 22.Nb5 Rfd8 23.Be4 f5 24.Bc2 Be8 25.Nc7 (25.Ba4? Rd1 26.Rd1 Nb2–+) 25...Rd1 26.Rd1 b5 (26...Bf7 27.Nb5=+) 27.Ne8 Re8 28.Rd7 Kh6 29.Bd3 Ne5 30.Rb7 Nd3 31.ed3 Rd8 32.Rb5 Rd3 33.Rb7 Rd1 34.Kg2 Rd2 35.Ra7 Ra2 36.h4 a3 37.Kf3 g5 38.hg5 Kg5 39.Rh7 Rb2 40.Ra7 a2 41.Ra3?? (41.Ra5 Kf6=) 41...Kh5 (better 41...Rb3! 42.Rb3 a1Q–+) 42.Kg2 Kg5 ½–½. Stradner,Stefan (2160) – Weiss,C (2380), TCh–AUT 2nd Mitte, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 a5)

6.cd5 Qd5

7.Nc3 Qc4 8.a3 (8.b5 Nbd7 (8...Bg4 9.Ne5 Qe6 10.Ng4 Ng4 11.Qb3 Qb6 12.f3 Nf6 13.Na4 Qd6; 8...Be6 9.Ng5 Nbd7 10.e3 Qb4 11.Ne6 fe6 12.Qb3 Qb3 13.ab3 Nc5; 8...Ne4 9.e3 Qb4 10.Qc2 Nc5 11.Rb1 Rd8 12.Ng5 Bf5 13.e4 Be6; 8...Bf5 9.e4 Qb4 10.ef5 Qb2 11.Rb1 Qa3 12.Bh3 Nbd7 13.0-0 Nb6) 9.e3 Qb4 10.a3 Qd6 11.d4 Nb6 12.Ne5 Nbd5 13.Bc4 Be6) 8...Bg4 (8...Nc6 9.e3 Qe6 10.Nb5 Qd7 11.Bc4 Qd8 12.Qb3 Bg4 13.Ng5 e6; 8...Rd8 9.e3 Qe6 10.Nb5 Na6 11.Rc1 Ne4 12.Bg7 Kg7 13.Nbd4 Qd6; 8...Qg4 9.h3 Qe6 10.Bg2 Nc6 11.0-0 Rd8 12.Rc1 a6 13.d4 Rb8; 8...Qe6 9.Bg2 Nc6 10.0-0 Rd8 11.Nb5 Qd7 12.Qc2 Qf5 13.Qa4 Qd7; 8...a6 9.e4 Qe6 10.Ng5 Qd6 11.Bc4 Nc6 12.0-0 h6 13.Nf3 Bg4) 9.d3 Qc6 (9...Qa6 10.Bg2 Nc6 11.0-0 Rad8 12.Qd2 Bf3 13.Bf3 Nd4) 10.Bg2 Nd5 (10...Qd6 11.Nd2 (11.0-0 a6 12.h3 Be6 13.d4 a5) 11...c6 (11...Nc6 12.Nc4 Qd8 13.Qa4 Qd7) 12.Nce4+= (12.Nc4 Qc7 13.Qc2 Nbd7) 12...Qc7 13.Nf6 ef6; 10...Ne4 11.Ne4 Bb2 12.Rb1 Bg7 13.0-0 Qb6) 11.Ne5+= Be5 12.Nd5 Qe6? (better 12...Qd6 13.Be5 Qe5+=) 13.d4 Bd6 (13...c6 14.de5 cd5 15.h3+-) 14.Ne3 c6 (14...Bh3 15.Bb7 Nd7 16.Qc2+-) 15.d5 (15.Ng4?! Qg4 16.e4 Qd7+=) 15...cd5 (15...Be2 16.Qd4 Qf6 17.Qf6 ef6 18.Ke2+-) 16.Bd5 (16.Qd5?! Qd5 17.Bd5 Bc8+-; 16.Nd5?! Nc6+=; 16.Ng4?! Qg4 17.h3 Qc4 18.Qd5 Qd5 19.Bd5 Nc6+-) 16...Qd7 17.Qd4 (17.Ng4?! Qg4 18.Bb7 Nd7 19.Ba8 Ra8+-) 17...e5 18.Qg4 Qa4 (18...Qc7+-) 19.Bb7 Bb4 (19...Nd7 20.Ba8 Ra8+-) 20.ab4 Qb4 21.Qb4 1-0. usingprogram – hhsjakk, internet, 2011.

7.Nc3 Qd8 8.Bg2 Be6 9.0-0 c6 10.a4 Na6 11.b5 Nb8 12.d3 Qb6 13.Ng5 Bf5 14.Qb3 h6 15.a5 Qc7 16.Nge4 Be6 17.Qb4 Ne4 18.Ne4 cb5 19.Bg7 Kg7 20.Qb5 Bc8 21.Rfc1 Qd7?? 22.Qb2+– Kh7 23.Nc5 Qd8 24.Bb7 Bb7 25.Qb7 Nd7 26.Nd7 Rg8 27.Rc7 Re8 28.Nf6! (28...Kg7 29.Ne8 Qe8 30.Re7+–) 1–0. kamret (2220) – kontadura (2050), GameColony.com, 2003.

7.Nc3 Qd8 8.Bg2 c6 9.0-0 Bg4 10.Ne5 Bf5 11.d4 Nbd7 12.e4 Be6 13.Nd3 Bc4 14.e5 Nd5 15.Nd5 Bd5 16.Bd5 cd5 17.Qf3 e6 18.Rae1 Rc8 19.Nc5 Nc5 20.bc5 b6 21.Ba3 Re8 22.Rc1 Bf8 23.cb6 Ba3 24.Rc8 Qc8 25.Qa3 ab6 26.Rc1 Qb7 27.Rb1 Rc8 28.Qe3 Qc6 29.a3 b5 30.Kg2 Qc3 31.Rb5 Qe3 32.fe3 Rc3 33.a4 Re3 34.a5 Ra3 35.g4 Kg7 36.g5 h6 37.gh6 Kh6 38.Rc5 Kg7 39.Kf2 f6 40.Rc7 Kf8 (41.ef6 Ra5+=). kamret (2180) – joepheldoorn (1850), GameColony.com, 2003.

7.Bg2 a5 8.ba5 Ra5 9.Nc3 Qd8 10.0-0 Nc6 11.Qb3 Ra7 12.d4 Be6 13.Qb5 Nd4 14.Nd4 Qd4 15.Rfd1 Qb6 16.Qb6 cb6 17.Nb5 Ra2 18.Ra2 Ba2 19.Bb7 Bc4 20.Nc3 b5 21.Bf3 e5 22.Nd5 Nd5 23.Bd5 Be2 24.Re1 Bc4 25.Bc4 bc4 26.Be5 Re8 27.f4 f6 28.Bc3 Re1 29.Be1 f5 30.Kf2 c3 31.Ke2 c2 32.Kd2 Bc3 33.Kc2 Be1 0–1. grajaro (1935) – piotrekr85 (1890), kurnik, 2012.

7.Bg2 a5 8.ba5 Nc6 9.0-0 Qh5 10.d3 Bh3 11.Nbd2 Ra5 12.a4 Qg4 13.Nc4 Rh5 14.Ne3 Qe6 15.Re1 Bg2 16.Ng2 g5 17.h4 h6 18.e4 gh4? (better is 18...Ng4 19.Bg7 Kg7+/–) 19.Nf4+– Qg4 20.Nh5 Nh5 21.Bg7 hg3? (21...Ng7 22.Nh4 Qd1 23.Red1 Ne6+–) 22.Bf8 Nf4 23.Ra2 (better is 23.Bh6 Nd4 24.Bf4 (24.Nd4?! Qh3 25.Qg4 Qg4 26.Bf4 Qf4+–) 24...Nf3 25.Qf3 Qf3 26.Bg3 Qd3 27.Rab1+–) 23...g2?? (better is 23...Nh3 24.Kg2 Nf4 25.Kg1 Nh3 26.Kg2 Nf4 27.Kg1=) 24.Bh6+– Qh5 25.Nh2 Qh6 26.Qg4 Kh8 (26...Kh7 27.Qf5 Kg7 28.Re3+–) 27.Re3 (27.Re3 Ne5 28.Qc8 Kh7 29.Qf5 Neg6 30.Qf7 Kh8 31.Rf3+–) 1–0. Myc,M (2285) – Vyskocil,N (2370), Duras BVK Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 a5 8.Nc3 Qh5 9.a3 Bh3 10.0-0 Ng4 11.Qc2 Nc6 12.Nd5 (12.Bh3!? Qh3 13.Ne4=) 12...Bg2-/+ (12...Qd5?! 13.Bh3 Nf6 14.ba5 Ra5 15.Rfc1=) 13.Nf4 Qb5 14.Kg2 e5 (14...Bb2 15.a4 Qb4 16.Rab1-/+) 15.a4 Nb4 (worse 15...Qb4 16.Ba3 Qb6 17.Nd5+/-) 16.ab5 (16.Qc7 Qa6 17.Nh3 Qe2-/+) 16...Nc2-+ 17.Rac1 Nb4 (17...ef4?! 18.Bg7 Kg7 19.Rc2=+) 18.h3 ef4 19.Bg7 Kg7 20.hg4 Nd5 21.Rc4 Rfe8 (21...a4 22.gf4 a3 23.Kg3-/+) 22.Rd4 (22.e4 fe3! 23.de3 Re3-/+) 22...Nb6 (22...c6 23.Rc1 Re2 24.bc6 bc6 25.gf4-+) 23.Rc1-/+ Rac8 (worse 23...Re2 24.Rc7 fg3 25.Rb7+/-) 24.Rf4 (24.gf4!? h5 25.Ne5-/+) 24...Re2-+ 25.Kf1 Re7 26.d4? (better 26.d3-+) 26...Nd5 27.Ne5 (27.b6 c6-+) 27...Nf4 28.gf4 Ra8 0-1. Roberts,P (2115) - Cohen,Ar (2255), 24th 4NCL Congress, 2020. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.g3 d5)

7.Bg2 a5 8.Nc3 Qh5 9.b5 Bh3 10.0-0 c5 11.Bh3 Qh3 12.Qb3 Nbd7 13.Rac1 Ng4 (13...Qh5!?=) 14.Nd5+= e5 15.d3 b6 16.Rc4 Rae8 17.Rfc1 Kh8 18.Qd1 f5 19.Qf1 Qf1 20.Rf1 e4 21.Bg7 Kg7 22.de4 fe4 23.Nd2 Re5 24.Nc3 e3 25.fe3 Ndf6 26.Rcf4 Ne3 27.Nc4 Nc4 28.Rc4 Rd8 29.Rcf4 Re6 30.h4 Rd4 31.R1f3 Rf4 32.Rf4 h6 33.Kf2 g5 34.hg5 hg5 35.Rf3 Kg6 36.Rd3 Kf5 37.Kf3 g4 38.Kf2 Ne4 39.Ne4 Ke4 40.Rd7 a4 41.Rg7= Kd5 42.Rg4 c4 43.Ke1 Kc5 44.Kd2 Kb5 45.a3 Kc5 46.Rg5 Kd4 ½–½. Juutila,Rauno – Nygaard,Soeren (2000), corr WS/O/068 ICCF, 2006.

7.Bg2 a6 8.0-0 Nc6 9.Nc3 (9.Ne5 Qd6 10.Nc6 bc6=) 9...Qd8 (9...Qh5 10.a3+=) 10.a3= Re8 (10...Bf5 11.d3=) 11.Rc1 (11.d4 Rb8=) 11...e5 (11...Bf5 12.Na4+=) 12.d3 (better is 12.Ng5=) 12...b5?? (better is 12...Bh6=) 13.Ne5!+– Re5 (13...Ne5 14.Ba8 Pinning (14.Ba8 Deflection; 14.Ba8 Clearance); 13...Re5 14.Bc6 Discovered attack) 14.Bc6 Rb8 15.Bg2 (15.Ne4 Re6 16.Qb3 Ne4 17.de4 Bb2 18.Qb2 Rd6+–) 15...Rh5 16.Re1 (16.Qc2 c5+/–) 16...Bh3 (16...c5 17.bc5 Rc5 18.Qd2+/–) 17.Bf3 (17.Bh3 Rh3 18.e4 Nd7+–) 17...Rf5? (better is 17...Bg4!?+/–) 18.e4+– Rg5 (18...Rf3 19.Qf3 Ng4 20.Qe2+–) 19.e5 Ng4 (19...Nd7 20.d4+–) 20.d4 Bh6 (20...h5+–) 21.Ne4 Rf5 22.Bg4 Bc1 23.Bc1 (23.Qc1 Bg4 24.Nf6 Rf6 25.ef6 Bf3+–) 23...Bg4 24.Qg4 Kg7 (24...h5 25.Qd1 Qe7 26.Nf6 Kg7 27.d5+–) 25.Nf6 h5 26.Qe4 1–0. Colom Andres,Xavier (1905) – Tateo,Ida, Barcelona ESP, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 Qb5 8.a3 Nc6 9.Nc3 Qh5 10.b5 Nd8 11.Nh4 Bd7 12.e3 Qc5 13.d4 Qb6 14.a4 c6 15.a5 Qc7 16.Qe2 Rc8 17.0-0 cb5 18.Rfc1 (18.Nb5? Qc2 19.Qc2 Rc2 20.Na7 Rb2-/+) 18...Qc4 19.Qd2 Qe6 20.d5 Qg4 21.h3 Qh5 22.Bf3 Qh6 23.Bg2 g5 24.Nf3 a6 25.h4 gh4 26.Nh4 Ne8 27.Ne2 Nd6 28.Rc8 Bc8 29.Bg7 Qg7 30.Rc1 Nc4 31.Qb4 Qe5 32.Qc5 Bg4 33.Nf3 Bf3 34.Bf3 Nc6! 35.Nf4 (35.dc6 Qc5 Pinning (35...Qc5 Deflection)) 35...N6a5 36.Rd1 Nd6 37.Nd3 Qf5 38.Kg2 Rc8 39.Qd4 Rc4 (better is 39...Qg5–+) 40.Qb6= Nb3 41.Qd8 Kg7 42.Qe7 Qf6 43.Qd7 Nc5 44.Nc5 Rc5 45.Rd4 Rc4 46.Qg4 Qg6 47.Qh4? Nf5–+ (47...Nf5 48.Rc4 Nh4 (48...bc4?! 49.Qf4 Nd6 50.e4+=) 49.Rh4 Qd6–+) 0–1. Bootello Sanchez – Santaella Amate (2040), Malaga–ch, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 c5 8.Nc3 Qc6 9.b5 Qd7 10.0-0 a5 (10...Rd8 11.Qb3=) 11.a4 b6 (11...Rd8 12.Qc2+=) 12.Qc2 (12.Ne5 Qa7+/-) 12...Qa7 (12...Bb7 13.Rfd1+=) 13.d3 (13.Rad1 Bb7+=) 13...Bb7 14.Ne4 Ne4 15.de4 (15.Bg7 Kg7 16.de4 Nd7+=) 15...Bb2= 16.Qb2 Be4 17.h4 (17.Qe5!? Qb7 18.Rfd1=) 17...Nd7=+ 18.Rad1 Nf6 19.Qe5 Rfd8 20.Ng5 (20.h5 Qb7 21.hg6 hg6=+) 20...Bc2 (20...Bg2 21.Kg2 Qb7 22.Nf3-/+) 21.Rd8 (21.Rc1 Ba4 22.Ba8 Ra8=) 21...Rd8-/+ 22.Qa1 Qd7?? (better 22...Bf5-/+) 23.Rc1 (23.Rc1 Bb3 24.e3-/+). MalakasAko (2445) - alireza015 (2410), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.Bg2 c5 8.Nc3 Qh5 9.bc5 Qc5 10.0-0 Nc6 11.Rc1 Qa5 12.Qa4 Rd8 13.Ba3 Qh5 14.Rfd1 e5 15.d4 ed4 16.Nd4 Nd4 17.Rd4 Bd7 18.Qd1 Re8 19.Nd5 (19.Bb7?! Ng4 20.h4 Bd4 21.Qd4 Rad8+=) 19...Bg4 20.f3 Nd5 21.Rd5 Qh6 22.fg4 Qe3 23.Kh1 Qa3 24.Rc7 Be5 25.Rb7 Rac8 (25...Qa2? 26.Qf1 f5 27.Rdd7+– (worse is 27.gf5 a5 28.f6 Re6 29.Re5 Re5 30.f7 Kf8+–)) 26.Rd3?? (better is 26.Qf1 Rc1 27.Rd1 Rd1 28.Qd1=) 26...Rc1–+ (26...Qa2 27.Bd5 Qa6 28.Rf7+– (28.Bf7?! Kh8 29.Rbd7 Rf8+/–)) 27.Ra3 Rd1 28.Bf1 Rf1 29.Kg2 Re1 30.Re3 Kg7 31.Ra7 Bd4 32.Re8 Ba7 33.Re4 Bc5 34.a4 Ra1 35.Kf3 Ra3 36.Kg2 Rb3 37.Rc4 Bb4 38.Kf1 Ba5 39.Rc5 Bb6 40.Rc4 Kf6 41.Rf4 Ke6 42.Kg2 f6 43.Kf1 Ke5 44.Kg2 Bd4 45.Rf3 Rb2 46.Kf1 Rb1 47.Kg2 Re1 48.Ra3 Re2 49.Kh1 Ke4 50.a5 Be3 51.a6 Kf3 52.Ra1 Kg4 53.Ra4 Kf3 54.Ra1 f5 55.Rf1 Kg4 (55...Kg4 56.Rf2 Rf2 57.Kg1 Ra2 58.Kf1 Kf3 59.a7 Ra1) 0–1. Linke,Stefan – Gieritz,Dietmar (2165), BL2–N, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 c6 8.0-0 Qd8 9.d4 Bf5 10.Nbd2 Qc8 11.Re1 Na6 12.a3 Nc7 13.e4 Bg4 (13...Bh3 14.Rc1=) 14.Qc2+= Bh3 15.Bh1 Ne6 16.Nc4 Rd8 17.Rad1 h6 18.Nfe5 Nd7 19.Qc1 Ne5 20.Ne5 Be5 21.de5 Kh7 22.Qe3 g5 23.Bf3 Nf8 24.Qc3 Be6 25.Rd8 Qd8 26.Rd1 Qc7 27.Bh5 Rd8 28.Rd4 Rd4 29.Qd4 b6 30.f4 gf4 31.gf4 Qd7 32.f5 Qd4 33.Bd4 Bb3 34.Kf2 Nd7 35.Ke3 c5 36.Bc3 Kg8 37.Be2 cb4 38.ab4 a5 39.ba5+– ba5 40.Bb5 Nf8 41.Ba5 e6 42.Bd3 Bd1 43.Kd4 Bg4 44.Kc5 Bh3 45.Kd6 Nh7 46.Bd2 Ng5 47.Bg5 hg5 48.Ke7 ef5 49.ef5 Bg4 50.Kf6 Kf8 51.Kg5 (51.Kg5 Bd1 52.Bc4+–) 1–0. Crowl,Frank Arthur – Goldstein,Maurice Edwards, AUS–ch Sydney, 1939.

7.Bg2 c6 8.0-0 Rd8 9.d3 (9.Be5 Bf5=) 9...Na6 10.a3 Nc7 (10...Qh5 11.Qc2=) 11.Nc3 (11.Be5 Qd7=) 11...Qe6 (11...Qh5 12.Qc2=) 12.Qc2 Ncd5 13.Na4 Nd7 14.Bg7 Kg7 15.e4 (15.d4 Rb8+=) 15...N5f6= 16.Ng5 (16.Rfe1 Ne5+=) 16...Qe5 (16...Qd6 17.f4 e5 18.Qc3=) 17.f4+= Qd4 18.Kh1 a5 (18...Ng4 19.Qa2 Nh6 20.Qf7 Nf7 21.Ne6 Kg8 22.Nd4+=) 19.Nf3 (19.Qb3!? Rf8 20.Qf7 Rf7 21.Ne6 Kg8 22.Nd4 ab4 23.ab4+/-) 19...Qa7= 20.Qb2 White intends e5 20...b5 (20...Qe3 21.e5 Ng4 22.d4+=) 21.e5 (21.Ne5 Qc7 (21...ba4? 22.Nc6 Qb6 23.Nd8 Qd8 24.e5+-) 22.Nd7 Bd7+/-) 21...ba4= 22.ef6 Nf6 23.Ne5 Bb7 24.g4 (24.ba5 Rab8=) 24...Kg8 (24...ab4 25.Qb4 Rd6 26.f5=) 25.Qa2 (25.g5!? Nd5 26.f5 gf5 27.Rf5=) 25...Nd5=+ 26.f5 (26.ba5 f6 27.Nc4 Qd4=+) 26...Qd4 (26...ab4 27.fg6 fg6 28.Qb2-/+) 27.Rae1 (27.fg6 Qe5 28.Rae1 Qg5 29.gf7 Kf8-/+) 27...ab4 28.fg6 hg6 (28...fg6 29.ab4 Qb4 30.Qa1=) 29.ab4=+ Ne3?? (29...Rf8 30.Qc4 Qa7 31.Qe4= (worse 31.Nc6 Ne3-/+)) 30.Nf3 (30.Qf7 Kh8 31.Ng6) 30...Qd5-/+ (30...Qd3 31.Ne5 Qb3 32.Qb3 ab3 33.Re3+/-) 31.Qd5 Nd5 32.Ne5 (32.Ng5 f6 (worse 32...Nb4 33.Re7 Ba6 34.Rff7+/-) 33.Ne6 Rdb8 34.Bd5 cd5=+) 32...Rf8-/+ 33.Rb1 (33.Nd7!? Rfe8 34.Ne5-/+) 33...a3-+ 34.b5 (better 34.Bd5 cd5 35.Ra1-+) 34...c5?? (better 34...cb5 35.Rb5 Ne3 36.Bb7 Nf1 37.Ba8 Ra8-+) 35.Nd7=+ a2 (35...Rfd8 36.Nc5 Bc8=) 36.Ra1= Rfc8 (better 36...Rfd8 37.Nc5 Bc8=) 37.Ne5?? (37.Nb6! Rd8 38.Na8 Ra8 39.Rf2+/-) 37...Rf8?? (better 37...Rcb8 38.Rfc1 Ra5-+) 38.Nd7= Rfc8 (better 38...Rfd8 39.Nc5 Bc8=) 39.Rf2?? (better 39.Nb6 Rd8 40.Na8 Ba8 41.Ra2+-) 39...Nb4?? (better 39...Rc7 40.Ne5 Nb4-+) 40.Bb7+- Rc7 41.Ba8 Rd7 42.Be4 Ra7 (42...Rd6+-) 43.Rb2 Ra5 (43...Rd7 44.b6 Rd8 45.b7+-) 44.d4! Rb5 (44...cd4 45.Rb4 Deflection) 45.dc5 Kf8 46.Raa2 (better 46.c6 Ke8 47.Raa2 Na2 48.Rb5 Kd8+-) 46...Ke8 (46...Na2 47.Rb5 Ke8 48.c6+-) 47.Ra4 (better 47.Ra8!? Kd7 48.c6 Kd6 49.Rd8 Ke5+-) 47...Rc5 48.Rab4 1-0. Spiritchaser84 (2110) - arkadi1958 (2090), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

7.Bg2 c6 8.0-0 Qh5 9.h4 Bg4 10.d3 Nbd7 11.Nbd2 Rad8 12.Rb1 Rfe8 13.Qa4 a6 14.Qa5 e5 15.Nc4 e4 16.de4 Qa5 17.Na5 Ne4 18.Rfd1 Nc3 19.Bc3 Bc3 20.Rb3 Bf6 21.e3 (21.Rbd3 Bf3 22.Bf3 Ne5 23.Rd8 Bd8 24.Nb7 Be7+/–) 21...Ne5 (better is 21...Bf3!? 22.Bf3 Ne5 23.Rd8 Nf3 (23...Bd8?! 24.Be2=) 24.Kg2 Nh4 (24...Rd8?! 25.Kf3 Rd7 26.Ke2=) 25.gh4 Rd8 26.Nb7 Rd2-/+) 22.Rd8+= Rd8 23.Nd4 Bc8 24.Rc3 Ng4 25.Nab3 Be7 26.a3 Nf6 27.Nc5 Nd7 28.Ncb3 Nf6 29.Rc1 Nd5 30.Nc5 Bf6 31.Kh2 Nb6 32.Ncb3 Kf8 33.Bh3 Ke8 34.Bc8 Nc8 35.Na5 Bd4 36.ed4 Rd4 37.Nb7+/– Ne7 38.Rc5 Kd7? 39.Ra5+– Rd2 40.Nc5 Kc7 41.Kg2 Ra2 42.Ra6 Nc8 43.Nb3 h6 44.Kf3 Kb7 45.Nc5 Kc7 46.Ke3 Rc2 47.Ra5 Rc3 48.Nd3 Nd6 49.a4 Nf5 50.Kd2 Ra3 51.Ra7 Kd6 52.a5 f6 53.Ra8 Ne7 54.Rh8 h5 55.Rf8 Ke6 56.Ra8 Nd5 57.Ra6?? Ra2?? 58.Kc1 Kd7 59.Ra8 Kd6 60.Rd8 Kc7 61.Rg8 Ne7 62.Rg7 Kd6 63.Nb2 c5?? 64.Kb1 (64.Kb1 Rb2 65.Kb2+–) 1–0. Pimentel,William Barreto (2120) – Villar de Sa,Antonio (2065), Brasilia Taca BCX op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 c6 8.Nc3 Qh5 9.h3 Qf5 10.0-0 Na6 11.a3 Nc7 12.Na4 Qd7 (12...Ne6 13.d4=) 13.Qc2 Ncd5 (13...Ne6 14.Nc5 Nc5 15.bc5+=) 14.e4 Nb6 (14...Nc7 15.d4+=) 15.Nc5 Qd8 16.Rfd1 Nbd7 17.Nb3 Qc7 18.d4 b6 (18...Qb6!?+=) 19.d5 c5 20.e5 Ne8 21.e6 fe6 22.Ng5 Ndf6 23.d6 ed6 24.Ba8 d5 25.bc5 h6 26.Rac1 hg5 27.cb6 Qb6 28.Bd4 Qb8 29.Qc8 Qb3 30.Bc5 Rf7 31.Bc6 Rc7 32.Qe6 Kh7 33.Re1 (33.Be8?! Rc5 34.Rc5 Qd1 35.Kg2 Qd4+–; < 33.Bd5 Nd5 34.Qd5 Qd5 35.Rd5 Nf6+–) 1–0. Egan,Michael (2160) – Yetman III,Ed (2165), KE64 Canadian Championship (CCCA), 2008.

7.Bg2 Nc6 8.a3 e5 9.Nc3 Qd6 10.0-0 Re8 11.d3 a5 12.b5 Nd4 13.Nd2 c6 14.Nc4 Qd8 15.bc6 Nc6 16.Nb5 Nd4 17.Nbd6 Re6 18.Nc8 (18.Bb7?! Bb7 19.Nb7 Qc7=) 18...Rc8 19.Bh3 Rc4 20.Be6 (20.Be6 Rc7 21.Bc4+–) 1–0. Banos,Oscar Francisco – Barquero Pinar,D (2185), TCh–CAT Div Hon, 2011.

7.Bg2 Nc6 8.Nc3 Qd8 9.a3 e5 10.b5 e4 11.bc6 ef3 12.Bf3 bc6 13.0-0 Rb8 14.Rb1 Bf5 15.d3 Bh3 16.Re1 Rb2 17.Rb2 Nd5 18.Nd5 Bb2 19.Nf4 Bc8 20.Qa4 Qd4 21.Qd4 Bd4 22.Bc6 Kg7 23.e3 Bb2 24.a4 Be5 25.d4 Bf4 26.gf4 f5 27.Rc1 Rf7 28.Rc5 Kf6 29.h4 Bd7 30.Bd7 Rd7 31.Rc6 Ke7 32.Ra6 c5 33.dc5 Kd8 34.Rd6 1–0. Massardi,Manoel L – De Oliveira,Romualdo LP, TCS–C–0032 corr CXEB, 1995. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5 Qd5)

7.Bg2 Nc6 8.Nc3 Qh5 9.b5 Nb4 10.0-0 Bh3? (better is 10...Rd8=) 11.Bh3+– Qh3 12.Qb3 Qg4 13.Ne5 (13.h3!? Qh3 14.Qb4 Qe6+–) 13...Qh5 (13...Qe6 14.Qe6 fe6 15.a3+=) 14.d4 (14.f4!? c5 15.a3+–) 14...a5 15.a3 Rad8 16.b6 (16.ab4 Rd4 17.Nd3 ab4 18.Nb4 Rfd8+–) 16...Rd4 17.Nf7?? (17.Nf3 c5 18.Nd4 cd4 19.ab4 dc3 20.Qc3 ab4 21.Qb4 Qe2+/–) 17...Rf7 (17...Nbd5 18.Nd5 Qd5 (worse is 18...Rd5 19.Bf6 Bf6 20.bc7+=) 19.Qd5 A) worse is 19...Nd5 20.Ng5+/– (worse is 20.Bd4 Bd4 21.Rad1 Nc3=); B) 19...Rd5+=) 18.bc7+/– Qc5 19.ab4 Rb4 (19...Qf5+–) 20.Ra5!! Qd6 (20...Qa5 21.c8Q) 21.Qb4!! Qb4 22.c8Q Rf8 23.Qe6 Kh8 1–0. Shevchenko,Vikenty (2225) – Tsepennikova,Tatyana (2075), Koltsovo op–A, 2006. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 Nc6 8.Nc3 Qh5 9.b5 Nb4 10.Qb3 a5 11.ba6 Na6 12.0-0 Be6 13.Qd1 (13.Qb7? Rfb8 14.Qc6 Bd7–+) 13...Rfd8 14.Qc1 c6 15.d3 Bg4 16.Nb1 Rd5 17.Nbd2 Bh3 18.Qc4 Rb5 19.Rfb1 Be6 20.Qc1 Nb4 21.a3 Na6 22.Nd4 Rc5 23.Qd1 Bh3 24.N2f3 Rd8 25.Nb3 Rcd5 26.Ra2 Be6 27.Raa1 Bg4 28.Bc3 e5 29.Qc2 R8d7 30.Ra2 Be6 31.Rab2 Nc7 32.Bb4 Na6 33.Bc3 Bg4 34.a4 Re7 35.Nbd2 Rdd7 36.Nc4 e4 37.de4 Ne4 38.Bg7 Kg7 39.Ne3?? Nac5 40.Rb4 Bh3 41.Qb2 Kg8 42.Nd4 Bg2 43.Kg2 Ng5 44.Nc6 Qh3? 45.Kg1+/– Re4? 46.Ne5 Re7? 47.N3g4 Re6 48.f3 Na4 49.Qd2 Rb4? 50.Rb4 Re5 51.Qd8 (51.Qd8 Kg7 52.Qf6 Kg8 53.Qe5+–) 1–0. Naundorf,Maik (2070) – Kedziora,Claus (2090), Ruhrgebiet Regionalliga, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Nc3 Qh5

8.Bg2 Bh3+= 9.0-0 Nc6 (9...Bg2 10.Kg2 Nc6 11.b5=) 10.b5 Bg2 11.Kg2 Ne5 12.Ne5 Qe5 13.Qb3 Rfd8 14.d3 a6 (14...Qh5 15.a4=) 15.Rfc1 (15.ba6 ba6 16.Ne4 Qh5 17.Nf6 ef6=) 15...Qh5 16.a4 (16.ba6 ba6 17.Rab1 Rdb8=) 16...Ne8 17.f3 ab5 18.Nb5 c6 19.Na3 Qd5 (19...Nf6 20.Nc4 (20.Qb7? Rab8 21.Qc6 Rb2–+) 20...Ra7 21.a5=) 20.Qd5 (20.Qb7? Rdb8 21.Qa8 Ra8 22.Bg7 Kg7–+) 20...Rd5 21.Bg7 Kg7 22.Nc4 Ra6 23.Kf2 Rh5 (23...Nd6 24.Rcb1 Nc4 25.dc4=) 24.h4 Rc5 25.Rcb1 (25.a5 Rb5+=) 25...b5= 26.ab5 Ra1 27.Ra1 cb5 28.Ne3 Nd6 29.Ra2 h5 (29...e5 30.f4=) 30.Nc2 e5 ½–½. ewiman (2465) – merlino (2335), gameknot.com, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 a5 9.b5 Ne4 (9...a4 10.Ba3=) 10.a4 Nc3 11.Bc3 Bc3 (11...e5 12.e4 Re8 13.Be2=) 12.dc3+= c6 13.Qd4 Be6 14.Rb1 Qf5 15.Rb2 cb5 16.Bg2 (16.g4!? Qd5 17.e4+=) 16...Nc6= 17.Qh4 b4 18.Ng5 h5 19.0-0 bc3 (better 19...Qf6 20.Ne6 fe6 21.Qf6 ef6 22.cb4 ab4 23.Bc6 bc6 24.Rb4 c5=) 20.Rb5 (20.Rb7 Rac8 21.Rc1= (21.Ne6 Qe6 22.Rb6 c2-+)) 20...Qf6-/+ 21.Bc6 (21.e3!?-/+) 21...bc6-+ 22.Rc5 Rab8 (22...Bb3 23.Qe4-+) 23.Rc1 (23.e4 Bb3 24.Ra5 Ra8-/+) 23...Rb4 24.e4 Rb2 (24...Rfb8 25.R1c3 Bd5 26.Qf4 Qf4 27.gf4 Be4 28.Ne4 Re4 29.f5 Ra4 30.fg6 fg6 31.Rc6-+) 25.Qf4 (25.g4!?-/+) 25...Qf4-+ 26.gf4 Rd8 (better 26...Bb3!? 27.R1c3 f6-+ (worse 27...Ba4 28.Ra5 Bb5 29.Ra7-/+)) 27.Ne6=+ fe6 28.R1c3 Rd1 29.Kg2 Rdd2 30.Rf3 White intends f5 30...Rdc2 (better 30...Rb4!?=+) 31.Ra5+= c5 32.Ra6 (32.Ra8 Kf7+=) 32...Kf7= 33.f5 ef5 34.ef5 gf5 (34...g5!?=) 35.Rf5+/- Ke8 36.Rc6 c4 37.Rf4 (37.Kg3!?+/-) 37...c3= 38.Rf3 Ra2 39.Rc4 Ra3 40.Kg3 Rca2 41.Rc8 Kd7 42.Rcc3 Rc3 43.Rc3 Ra4 44.Rc5 h4 45.Kf3 Ke6 46.Rg5 Ra8 (46...Ra3 47.Kg2=) 47.Kg4 (47.Rg4 Rh8+=) 47...Ra4= 48.Kf3 Ra8 49.Kg4 Ra4 50.f4 Kf6 51.Rf5 Kg6 52.Re5 Kf6 53.Rh5 Kg6 54.Rb5 e6 55.Re5 Kf6 56.Kf3 Ra3 57.Kg4 Ra4 58.Rg5 Rb4 59.Rh5 Kg6 60.Ra5 Rc4 61.Ra6 Kf6 62.Ra5 Kg6 63.Re5 Kf6 64.Re1 Ra4 65.Re5 Rb4 66.Rh5 Kg6 ½-½. Srihari,L R (2210) - Sanjeet,Manohar (1905), ch-Commonwealth, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.h3 Nc6 9.a3 e5 (9...Ne4!-/+) 10.Bg2= Nd4 11.e3 Re8 (11...Nf3!? 12.Bf3 Qg5=) 12.Nd4+= (worse 12.ed4 ed4 13.Kf1 dc3 14.Bc3 a5-/+) 12...ed4 13.Qh5 Nh5 14.Nd5 de3 15.Bg7 ed2 16.Kd1 Kg7 17.Nc7 Re1 18.Re1 de1Q 19.Ke1 Rb8 20.Rd1 Bf5 21.Rd4 Nf6 22.g4 Bb1 23.Nb5 a6 24.Nc3 Bc2 25.g5 Nh5 26.Bf3 Bf5 27.Bg4 Re8 28.Kd2 Re7 29.Bf5 gf5 30.Nd5 Re6 31.h4 Kg6 32.Nc7 Re7 (32...Rc6!? 33.Rd7 Nf4=) 33.Rd6+/- Kg7 34.Nd5 Re4 35.Ne3 Re5 36.Rd7 Rb5?? (better 36...b5+/-) 37.Nd5+- a5 (37...h6+-) 38.a4 (38.a4 Rd5 39.Rd5 ab4 40.Rb5+-) 1-0. Arias Boo,G (2250) - Subirats Ruiz,S (2215), TCh-CAT Gp1, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.h3 Nc6 9.b5 Ne5 10.Ne5 Qe5 11.d4+=.

8.h3 Nbd7 9.Bg2= g5 (better is 9...Ne5!?=) 10.Qc2+/– h6 (10...a5 11.b5+/–) 11.g4 (11.Nb5 c6 12.Nc7 Rb8+/–) 11...Qg6+= 12.Qg6 (12.d3 c6+=) 12...fg6 13.0-0 Ne4 14.Ne4 (14.d4 Nc3 15.Bc3 c6+=) 14...Bb2 15.Rab1 Bg7 16.Rfc1 c6 17.b5 cb5 18.Rb5 a6 19.Rb4 Rb8 (19...b5 20.Nc3 Bb7 21.a4+=) 20.Nc5 Attacks the backward pawn on b7 (20.e3!?+=) 20...Nc5= 21.Rc5 Rd8 22.Rc7 (22.d4 b6=) 22...Rd7 (22...Kf7 23.e3=) 23.Rd7 Bd7 24.Re4 (24.Rb6 Kf7=) 24...Kf7 25.Ne5 Be5 26.Re5 b5 27.Rc5 Be6 28.Bd5 Bd5 29.Rd5 Ke6 30.Rd3 a5 31.Kf1 Rc8 (31...b4 32.Ke1+=) 32.Rc3= Rc3 33.dc3 Kd5 34.Ke1 Ke4 35.Kd2 h5 36.gh5?? (better is 36.Kc2=) 36...gh5–+ 37.Kc2 (37.Ke1–+) 37...h4 38.f3 Kf4 (better is 38...Ke3 39.a4 ba4–+) 39.Kb2?? (39.Kb3 Kg3 40.a4 ba4 41.Ka4 Kh3 42.c4–+) 39...a4–+ 40.Ka3 Kg3 41.Kb4 Kh3 42.Kb5 Kg2 43.c4 h3 44.c5 h2 45.c6 h1Q 46.c7 Qc1 47.Kb6 Kf2 0–1. Krokay,Urszula (2000) – Moe,Mogens (2135), Xtracon Chess Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 Ne4 9.Qc1 Nd6 10.Rb1 Nc6 11.b5 Nd4 12.Nd4 Bd4 13.Bg2 Be6 14.e3 Bg7 15.Ne2 Bc4 16.Nf4 Qf5 17.Bg7 ½–½. Alvarez Ibarra (2395) – Sanchez Romero (2205), Mislata op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 Ne4 9.Qc2 Nc3 (9...Nd6 10.Bg2 Nc6 11.a3=) 10.Bc3+= Bc3 11.Qc3 c6 12.Bg2 a5 13.ba5 Qa5 14.Qe3 Qa3 15.Qh6 Qb2 16.0-0 Qf6 (16...Ra2?? 17.Ra2 Qf6 18.d4+–) 17.a4 Rd8 18.d4 (18.Rfb1 Rd5=) 18...Rd5 19.Qc1 Rda5 20.Qc2 b5 21.Ne5 Ra4 22.Ra4 Ra4 (worse is 22...ba4 23.Ra1+= (worse is 23.Nc6 Bf5 24.Qc4 Nc6 25.Qc6 Qc6 26.Bc6 Ra6+=)) 23.e3 Be6 24.Qc5 (worse is 24.Nc6 Rc4 25.Qb3 Nc6 26.Qb5 Nd4 27.ed4 Rd4-/+) 24...Nd7 25.Qc6 Ne5 26.de5 (26.Qe8 Kg7 27.de5 Qe5 28.Qe7 Ra2+=) 26...Qe5+= 27.Qe8 Kg7 28.Qe7 b4 29.Kh2 (better is 29.Bc6!? Ra6 30.Bb7+=) 29...b3 30.Rd1 (better is 30.Qe8 Ra1 31.f4–+) 30...h5?? (30...b2 31.Rh1 Qb5–+) 31.Qe8 Ra2 32.Rd8 Kh6 (32...Kh7+=) 33.Qf8 (better is 33.f4!? Qg7 34.Qc6+=) 33...Qg7-/+ 34.Qc5 Rf2 (34...Rf2 35.Rd1 Qb2 36.Qf8 Kh7–+) 0–1. Pit_Rada,Mihail_Cosmin (2090) – Chifor,Ovidiu_Emanuel (2265), Campionatul National Individual Masculi, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 Qd6

8.a3 a5 9.ba5 Ra5 10.0-0 Nc6 11.d4 Be6 12.Nc3 Bg4 13.e3 Qd7 14.Qc2 Bh3 15.Ne2 Bg2 16.Kg2 Rfa8 17.Rfd1 e6 18.Ne5 Qd5 19.Kg1 R5a6 (worse is 19...Ne5 20.de5 Qe4 21.Qc7+/–) 20.Nc3 Qd8 21.Nd3 Ra5 22.Nc5 Qc8 23.Rac1 h6 24.N3e4 Nd5 25.h3 R5a7 26.Qe2 Qe8 27.Qf3 b6 28.Nd3 Na5 29.Nd2 b5 30.Rc2 Nb7 (better is 30...Nb6!?=) 31.e4+/– Nb6 32.Rc7 Nd6 33.Ra7 Ra7 34.Ne5 Qa8 35.Qf4 Nbc4 36.Ndc4 Nc4 37.Nc4 bc4 38.Qc1 Qe4 39.Qc4 Kh7 40.Qd3 Qd5 41.Rd2 Rb7 42.Qc2 Rb3 43.Kh2 Qf3 44.a4 h5 45.h4 Qd5 46.Rd1 Rb4 47.Ra1 Bd4 48.Bd4 Rd4 49.Qc3 Rd3 50.Qf6 e5 51.a5 Rf3 52.Qb6 Qd2 53.Kg2 e4 54.a6 Qe2 55.a7 Rg3 56.Kg3 Qg4 57.Kh2 Qh4 58.Kg1 Qg4 59.Kf1 Qh3 60.Ke1 Qc3 61.Kd1 Qa1 62.Kc2 Qa2 63.Kc3 Qa1 64.Kc4 Qa2 65.Kb5 Qd5 66.Qc5 Qb7 67.Kc4 Qa6 68.Kd4 h4 69.Qc7 Qf6 70.Kc4 e3 71.fe3 Qf1 72.Kc5 Qf5 73.Kd4 Qf6 74.Qe5 Qb6 75.Qc5 Qb2 76.Kd3 Qb1 77.Kc4 Qf1 78.Kb4 Qb1 79.Ka5 Qb7 80.Qb6 Qd5 81.Qb5 Qd2 82.Qb4 Qd5 83.Kb6 Qd8 84.Kb7 Qd7 85.Ka6 Qd3 86.Qb5 Qd6 87.Qb6 Qd3 88.Kb7 Qe4 89.Qc6 Qe7 90.Qc7 Qe4 91.Ka6 Qd3 92.Ka5 Qd5 93.Kb6 Qe6 94.Kc5 Qf5 95.Kb6 ½–½. Garcia Ruvalcaba (2215) – Soentges (2310), IECG, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.a3 a5 9.b5 Qb6 10.a4 Ne4 11.d4 c6 12.Na3 cb5 (12...Nd6 13.Ne5=) 13.Nb5 Nc6 14.0-0 Be6 15.Rb1 Rfd8 (15...Ba2 16.Rc1=) 16.Qc2 (16.Ba3 Ba2 17.Rb2 Bd5+=) 16...Bf5 17.g4 Nb4 18.Qc7 Qc7 19.Nc7 Rac8 20.gf5 Rc7 21.fg6 hg6 22.Rfc1 Rc6 23.Ne1 (23.h3 Nd5 24.Rc6 bc6=) 23...f5 (23...Nd2 24.Bc6 bc6 25.Ra1+=) 24.e3 e6 25.Rc6 bc6 26.Be4 fe4 27.Ba1 Nd5 28.Nc2 Bf8 29.Rb7 ½–½. Winbush,Jerome (1805) – Vodicka,Milan (1950), SC–2011–0-00110, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.a3 a5 9.b5 Qb6 10.Nc3 Ne4 11.Ne4 Bb2 12.Ra2 Bg7 (12...Qb5? 13.Qb1+–) 13.a4 e5 14.Qc2 h6 15.Nc5 Bf5 16.d3 Nd7 17.Nd7 Bd7 18.Nd2 c6 19.bc6 bc6 20.–0 Rab8 21.Nc4 Qc7 22.Rc1 Rb4 23.Ne3 Rc8 24.Qd2 Qd8 25.Nc2 Rbb8 26.Ne3 h5 27.Nc4 Be6 28.Rac2 Rb4 29.Nb2 Bd5 30.Bd5 Qd5 31.Rc5 Qd4 32.R5c2 h4 33.e3 Qd5 34.Rc5 Qf3 35.Qd1 (better is 35.Ra5!? h3 36.Kf1=) 35...Qd1-/+ 36.Nd1 Ra4 37.Nc3 Ra3 38.gh4 Rd8 39.Rc6 Rd3 40.Rc8 Bf8 41.Ne4 f5?? (better is 41...Ra4 42.Ng3 Kg7+=) 42.Ng5+– Rd6 43.Re8 Ra4 44.Rcc8 (44.Re5?! Rh4 45.Ne6 Rg4 46.Kf1 Re4 47.Re4 fe4+=) 44...Rf6 45.Ne6 Re6 46.Re6 Kf7 47.Ra6 (47.Re5?! Bd6 48.Rb5 Rh4+–) 47...Kg7 (47...Be7 48.Rc7 Rg4 49.Kh1 Rh4 50.Raa7+– (50.Ra5?! Rh8+–)) 48.Ra7 (48.Ra7 Kh6 49.Rf8 Rg4 50.Kf1 Rh4 51.Ra5+–) 1–0. Helfst,Matt D (1930) – Most,E (2165), Philadelphia USA, 7th Open, 2013. (=1.Nf3 g6 2.c4 Nf6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.a3 c5 9.bc5 Qc5 10.0-0 Nc6 11.Qc1 Qb6 12.Nc3 Bf5 13.d3 Rac8 14.Rb1 Qa6 15.Qf4 e5 16.Qa4 (worse is 16.Ne5 Nh5 17.Qa4 Be5 18.Qa6 ba6-/+) 16...Qa4 17.Na4 e4 18.Nh4 ed3 19.Nf5 de2 20.Ng7 (better is 20.Rfe1 gf5 21.Re2=) 20...ef1Q 21.Kf1 Kg7 22.Nc5 Rfd8 23.Nb7 Rd2 24.Bc3 Rc2 (better is 24...Rd3 25.Ba1 Nd4–+ (worse is 25...Ra3 26.g4 h6 27.h4-/+)) 25.Nd6+= Rd8 26.Ne4 Nd4 27.Ba1 Ng4 (better is 27...Ne4 28.Be4 Rc7–+) 28.Rd1= Rc4 (worse is 28...Nh2 29.Kg1 Rc4 30.Kh2+/–) 29.Nd2 Rc2 30.Ne4 Rc4 (worse is 30...Nh2 31.Kg1 Ng4 32.Rd4+/– (worse is 32.Bd4 Kg8+=)) 31.Nd2 ½–½. Martinez Matarredonda (2175) – Estevez Jacome, Benidorm op–B, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.a3 c6 9.0-0 Nbd7 10.d3 a5 11.Nbd2 Nb6 (11...ab4 12.Nc4 Qc5 13.Bd4=) 12.Be5 Qd8 13.Qc2 ab4 14.ab4 Ra1 15.Ra1 Nfd5 (15...Nbd5 16.Rb1+=) 16.Bg7+/– Kg7 17.Ne4 (17.e4 Nc7+=) 17...Kg8 18.Qb2 Nc7 19.Nd4 Ne6 (19...e5!? 20.Nf3 f6+=) 20.Ne6+/– Be6 21.Nc5 Bc8 22.h4 (22.b5!?+/–) 22...Nd7 23.Ra8 Nc5 (23...Nb6 24.Ra7+=) 24.bc5+/– Qd7 25.Bf3 f6 26.Rb8 (26.Qb3 Kg7+/–) 26...Kg7 27.Qa1 Qc7 28.Qa8 Qd7 29.Qa5 Rg8 30.Be4 Rf8 31.Qa1 (31.Ra8 e5+=) 31...Qc7 32.Qa8 Qd7 33.Bg2 Rd8 (33...e5 34.Qa5+=) 34.Bf1 (34.Qa5 e5+/–) 34...Rf8 35.e3 Rd8 36.Qa7 Qc7 37.Qa8 Qd7 38.Qa5 Rf8 39.Ra8 Re8 40.d4 Rf8 41.Qa7 (41.Qc3 Re8+/–) 41...Qc7 (41...e5 42.Qa1 ed4 43.Qd4+=) 42.Qb8+/– Qb8 (42...Qd7 43.Qf4+/–) 43.Rb8 Kf7 44.e4 e6 45.f3 Ke7 46.Kf2 Kd7 47.Ke3 Kc7 48.Ra8 Rd8 49.Bc4 Bd7 50.Rd8 Kd8 51.Kf4 White intends e5 51...h6 52.e5 f5 53.Bd3 Ke7 (53...Kc7 54.g4+/–) 54.g4 Kf7 (54...Kd8 55.Kg3+/–) 55.Bc4 Ke7 56.Bb3 Be8 57.Bc2 Bd7 58.Bd3 Bc8 (58...Kf7 59.g5 h5 60.Ke3+/–) 59.Bc2 Bd7 60.Bd1 Bc8 61.Kg3 Bd7 62.f4 fg4 63.Kg4 Kf7 64.Bc2 Kg7 65.Kf3 Be8 (65...Kf7 66.Ke4+/–) 66.Ke3 h5 (66...Kf7 67.Kd3+/–) 67.Kd2 Kf8 68.Kc3 Ke7 69.Kb4 Kd7 70.Ka5 Kc7 71.Bd3 Bf7 72.Bc4 Bg8 73.Bb3 Bf7 74.Bd1 Be8 75.Be2 Bf7 76.Bf1 Be8 77.Bh3 Bf7 78.Bg2 Be8 79.Bf3 Bf7 80.Kb4 Kd7 81.Kc3 Ke7 82.Kd3 Kf8 83.Kd2 Ke7 84.Ke3 Kf8 85.Bd1 Ke7 86.Bb3 Kf8 87.Kd2 Bg8 88.Bc2 Bf7 89.Bd3 Be8 90.Bc4 Bf7 91.Ke3 Kg7 92.Kd3 Kf8 93.Bb3 Bg8 94.Bc2 Bf7 95.Bd1 Be8 96.Bf3 Bf7 97.Kc4 Ke7 98.Be4 Be8 99.Bc2 Bf7 100.Bb3 Bg8 101.Kc3 Bf7 102.Kb4 Kd8 103.Bd1 Kd7 104.Ba4 Kd8 105.Bc2 Kd7 106.Bd3 Kd8 107.Be2 Kd7 108.Bf1 Kd8 109.Bh3 Kd7 110.Kc4 ½–½. Jessel,Stephen – O'Connell,Gerard, Chess Championships, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

7.Bg2 Qh5

8.Na3 a5 (8...Na6 9.b5 Nb4 10.0-0+=) 9.b5= Bh3 10.0-0 c6 11.Rb1 (11.Bh3 Qh3 12.Rb1 Qe6=) 11...cb5 (better is 11...Be6!? 12.Qa4 Rc8=) 12.Bf6+= Bf6 13.Rb5 Qh6 14.Rb7 Be6 15.Nb5 Na6 16.a4 (16.Nfd4 Ba2 17.Nc6 Bc4+/–) 16...Rfc8 (16...Nc5 17.Rc7 Na6 18.Rc1+=) 17.Nfd4 Nc5 (better is 17...Bh3!?+/–) 18.Ne6+– Ne6 19.d4 Rc4 20.e3 Rac8 (20...Qf8 21.Bd5 Rb4 22.Qc2+–) 21.Na7 R8c7 22.Rb8 Kg7 23.Nb5 Rc8 24.Rc8 Rc8 25.Qd2 Bg5? (25...Qh5 26.Qa5 Qe2 27.Qb6+–) 26.Qa5 (better is 26.d5!? Nf8+–) 26...Be3 27.fe3 Qe3 28.Kh1 Rc2 (28...Rc1 29.d5 Nc5 30.Qb4+–) 29.Qe1 Qb3 (29...Qe1 30.Re1 Ra2 31.Kg1+–) 30.d5 Ng5 (30...Rg2 31.Kg2 Qd5 32.Kg1 Ng5+–) 31.Nd4 (31.Nd4 Qb2 32.Nc2+–) 1–0. Karaokcu,Erkin (2150) – Acar,Utku Cengiz (1865), Turkish Cup, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.d3 Nc6 9.a3 Bh3 10.0-0 Bg2 11.Kg2 e5 12.Nbd2 Nd4 (better is 12...Rfd8!?=) 13.Nd4+/– (worse is 13.Bd4 ed4 14.Nb3 Rfd8=) 13...ed4 14.Nf3 Ng4 15.h3 Ne5 16.Ne5 Be5 17.e4 Qd1 18.Rad1 a5 19.f4 Bg7 20.e5 ab4 21.ab4 Ra4 22.Ra1 Rb4 23.Ba3 Rb3 24.Bf8 Bf8 25.Rfd1 Bb4 26.Rab1 Rb1 27.Rb1 c5 28.Kf3 b6 29.Ke4 Kf8 30.Kd5 Ke7 31.g4 h6 32.f5 g5 33.e6 Kf6? (33...fe6 34.fe6 Ba5 35.Rf1+–) 34.Ra1 (34.Kd6 Ba3 35.Rb3 fe6 36.fe6 Bb4+–) 34...Ba5 (34...fe6 35.fe6 c4 36.Rf1 Ke7 37.Rf7 Ke8 38.Kc4 Bc5+–) 35.Ra5! ba5 1–0. Laurent,Francois (1970) – Chudyba,Rodolphe (1880), FRA–chT3 Gr01, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 a5 9.ba5 Nc6 10.d3 Qa5 11.Nbd2 Be6 12.a3 Ra6 13.0-0 b5 14.Nb3 Qb6 15.Qc2 Bb3 16.Qb3 Na5 17.Qc2 c5 18.Rab1 Nc6 19.Rfc1 Nd4 20.Bd4 cd4 21.Qc5 Qc5 22.Rc5 Ra3 23.Nd4 Ra2 24.Rc2 Rc2 25.Nc2 Rb8 26.Nd4 Rb6 27.Rb5 Rb5 28.Nb5 Ne8 29.Bd5 Nd6 30.Na7 e6 31.Bf3 Nf5 32.e3 h5 33.Kg2 Bf8 34.d4 Kg7 35.Be2 Nd6 36.Bd3 Ne8 37.Kf3 Nd6 38.e4 Ne8 39.Ke3 e5 40.Nc6 ed4 41.Kd4 Bd6 42.e5 Ba3 43.Bc4 f6 44.e6 Nd6 45.Bb3 Nf5 46.Kc4 Nd6 47.Kd5 Nf5 48.Nb8 Ne7 49.Kc4 Bd6 50.Nd7 f5 51.Bc2 Ba3 52.Kb5 Bd6 53.Ka5 Nc6 54.Ka4 Ne7 55.Bd3 Nc8 56.Kb5 Ne7 57.Bc4 Ba3 58.Kb6 Bd6 59.Kb7 g5 60.Bd3 g4 61.hg4 hg4 62.Bc4 f4 63.gf4 Bf4 64.Bf1 Kg6 65.Bd3 Kg7 66.Be2 ½–½. Laurent,Julien G (2290) – Strugnell,Carl (2185), Paris–ch op–A, 2008. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 a5 9.Be5 Qf5 10.b5 Nbd7 11.g4 Qe6 12.Bd4 Nb6 (12...Qd6 13.Nc3+=) 13.Nc3= Rd8 14.Qc2 h5 15.g5 Nfd5 16.Bg7 Kg7 17.Qe4? (better is 17.Nd5!? Nd5 18.e3=) 17...Nc3–+ 18.Qe6 Be6 (18...fe6?! 19.dc3 Nc4 20.Nh4+=) 19.dc3 Na4 20.c4 Bc4 21.Rc1 Bb5 (21...Ba2?! 22.Ne5-/+) 22.Rc7 Rac8 23.Rc8 Rc8 24.Nd4 Ba6 25.Kd2 Rd8 26.Ke3 Nc3 (26...Nb2 27.f4–+) 27.Rc1 Rd4! 28.Rc3 (28.Kd4 Ne2 Double attack) 28...Rb4 29.Rc2 e6 (29...b6 30.Kd2-/+) 30.Be4 Ra4 31.Rb2 The backward pawn on b7 becomes a target 31...Ra3 32.Bd3 Bd3 33.ed3 b5 34.Rb5 Ra2 35.Rb8 Ra1 36.Ra8 a4 37.Kf3 a3 38.Kf4 a2 39.d4 f5 (39...Rh1 40.Ra2 Rh3 41.f3-/+) 40.gf6 (40.Kf3 Kf7 41.Ra7 Ke8–+) 40...Kf6-/+ 41.h4 Ke7 (better is 41...Rh1 42.Ra2 Rh4 43.Ke3 Rh3 44.Ke4 h4-/+) 42.Ra7?? (better is 42.Kf3+=) 42...Kd6–+ 43.Ra5 Kc6 44.Kf3 (44.Rc5 Kb6 45.Rc2 Kb5–+) 44...Kb6 45.Ra8 Kb5 46.Ra7 (46.Ke2 Kc4 47.Ra6–+) 46...Kc4 47.Ra8 Kd4 48.Rd8 Ke5 49.Ra8 Rh1 50.Ra2 Rh4 51.Ra5 Kf6 52.Ra6 (52.Rb5 Ra4–+) 52...Rb4 (52...Rh3 53.Kg2 Rb3 54.Ra8–+) 53.Rc6 (53.Ra8 Rb3 54.Ke4 h4–+) 53...Rb3 54.Kg2 (54.Ke4 h4–+) 54...g5 55.Rc8 (55.Kg1 g4 56.Rc8 g3–+) 55...e5 56.Rf8 Kg6 57.Re8 Kf5 58.Rh8 Kg4 59.Re8 Rb5 60.Re7 (60.Rh8 e4 61.Re8 Kf4–+) 60...h4 61.Re8 (61.f3 Kf5 62.Rf7 Kg6 63.Rf8 Rb2 64.Kg1–+) 61...h3 62.Kh2 Rb2 63.Kg1 Rb1 64.Kh2 Rf1 (64...Rf1 65.f3 Rf3 66.Re5 Rf2 67.Kg1 Kf4–+) 0–1. Makoto,Rodwell (2275) – Abdyjapar,Asyl (2365), Tromso NOR, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Qd5)

8.h3 Nc6 9.a3 a5 10.g4 Qd5 11.Nc3 Qd8 12.b5 Nb8 13.Qc2 c6 14.a4 Nd5 15.Nd5 Qd5 16.Bg7 Kg7 17.Rb1 Kg8 18.0-0 Qd6 19.d4 f5 20.Ne5 fg4 21.hg4 Qd4 22.bc6 Nc6 23.Nc6 bc6 24.Qc6 Ra6 25.Qd5 Qd5 26.Bd5 Kg7 27.f3 Rd6 28.Bc4 Rd4 29.Bb5 Rfd8 30.Rfc1 e5 31.Rc7+/– Kh6 32.Kf2 Kg5 33.Rh7 Rf8 34.Ke3 Rfd8 35.Rc1 Be6 36.Rc5 Kf6 37.Ra7 Rb4 38.Ra6 Rb3 39.Kf2 Ke7 40.Re6! Ke6 41.Bc4 Kd6 42.Rd5 Kc7 43.Bb3 1–0. Bencze,Laszlo (2270) – Rezsek,Gyozo, HUN–chT Hungary, 1992.

6.cd5 Nd5

7.Qb3 Bb2 8.Qb2 Qd6 9.a3 a5 10.b5 Nd7 11.Bg2 Nc5 (11...N7f6 12.Qe5=) 12.0-0 (12.d4!? Ne4 13.Nbd2 Nd2 14.Nd2+=) 12...a4= 13.Nc3 Rd8 (13...Nb3 14.Rad1=) 14.Rab1 (14.Nd5!? Qd5 15.Rac1+=) 14...Nc3= 15.Qc3 Be6 (15...Nb3!?=) 16.Rb4+= Bd5 17.Rc1 (17.d4 Nb3 18.Rd1 c6+=) 17...Nb3= 18.Rc2 c5 19.bc6 Bc6 (19...bc6 20.e3=) 20.Qe3 Ra5 21.d3 Qf6 22.Ra2 Rc5 23.h4 (23.h3 b5=) 23...Rcd5 (23...b5 24.Rf4 Qd6 25.Rb4+=) 24.Kh2 (24.Ng5 Rd4 25.Bc6 bc6+=) 24...Rf5 25.d4 (better is 25.Ng5=) 25...Bb5?? (25...Bf3!? 26.Bf3 Nd4 27.Bb7 Rf2 28.Bg2 Nf3 29.Kh3 Ng1 30.Kh2 Rd1-/+) 26.Ng5 (better is 26.Ne5 Qa6 27.Rb2+/–) 26...Rd6?? (26...Rd4 27.Ne4 Qe5 28.f4+=) 27.Nf3?? (27.Ne4 Qe6 28.Nd6 Qd6 29.Bb7 Bd7+–) 27...Be2?? (27...Bc6 28.g4 Rf3 29.Bf3 Qh4 (worse is 29...Nd4 30.Bc6 Qh4 31.Qh3 Qh3 32.Kh3 bc6 33.Ra4+/–) 30.Kg1 Bf3 31.ef3 Re6-/+) 28.Ne1?? (better is 28.Re2 Re6 29.Ne5 Nd4 30.Ng4+–) 28...Qe5?? (better is 28...Re6 29.Be4 Rf2 30.Kg1 Rf1 31.Kh2 Re1 32.Re2 Re2 33.Qe2 Nd4–+) 29.Bf3 (better is 29.de5 Re6 30.Re2 Ree5 31.Qe5 Re5 32.Re5+–) 29...Qe3–+ 30.Bd5 (30.fe3 Bf3 31.Ra4–+) 30...Rd8 (better is 30...Qf2 31.Bg2 Qe1 32.Rb7–+) 31.Be4?? (better is 31.fe3 Rfd5 32.Re2+=) 31...Ra8 (31...Qe4 32.f3 Bf3 33.Nf3 Rf3 34.d5–+) 32.Rb2?? (32.fe3!? Rf2 33.Bg2+=) 32...Ra6 (better is 32...Qe4 33.f4 Bf1–+) 33.Bd3?? (33.fe3 Rf2 34.Ng2+=) 33...Qd2! 34.Bf5 (34.Rd2 Rf2 Double attack) 34...b5 (34...Qb2 35.Be4–+) 35.Bd3?? (better is 35.Rd2 Nd2 36.Bd7-/+) 35...Qc3 (better is 35...Qb2 36.Rb5 Bd3 37.Nd3 Qd4 38.Ne1 Qf2 39.Ng2–+) 36.f3 (36.Re2 Re6 37.Be4 Nd4–+) 36...e5 (36...Qb2 37.Be2 Qe2 38.Ng2 Qf3 39.g4–+) 37.Bc4 (37.Re2 Nc1 38.Bb5 Ne2 39.Be2–+) 37...Re6 (37...Qb2 38.Be2 Qe2 39.Ng2–+) 38.Nc2 (38.Rc2 Qe1 39.Re2 Qf1 (39...bc4 40.Re1 Nd4 41.Re3+=) 40.Bb5 Nd4 41.Rd4 ed4 42.Re6 Qf2 43.Kh3 fe6 44.Ba4 Qf3–+) 38...Re8 (38...Bc4 39.Ra2 ed4 40.Rc4 Re2 41.Kh3 Qf3 42.Rc8 Kg7 43.Rg8 Kg8 44.Ne3 Ra2 45.Ng2 Rg2 46.h5 Qg3) 39.Ra4 (39.Bb3 Bf3 40.Kh3 Qd3–+) 39...Na1 (39...ba4 40.Be2 Qb2 41.Kh3 Qc2 42.Bf1 ed4 43.Bb5 Qf5 44.Kh2 Qb5 45.g4 Re2 46.Kh3 Qe5 47.g5 Qh2 48.Kg4 Rg2) 40.Bb3 (40.Na1 Qb2 41.Rb4 Qa3 42.Rb3–+) 40...Qc7 (better is 40...Nb3 41.Rb3 Qb3 42.Ne1–+) 41.Ne1 (41.Na1 ba4 42.Ba4–+) 41...Bf1 (41...Nb3 42.Rc2 Qd6 43.Rb4 Nd4 44.Rc3–+) 42.Rd2 (42.Rb4 Qc3 43.Rb1 ed4–+) 42...Bd3 (better is 42...ba4 43.Ba4 Qa5 44.Rd1 Qa4 45.Ra1 ed4 46.Kg1–+) 43.Rb2 (43.Rb4 Qc3 44.Rd1 Be2–+) 43...Be4 (better is 43...Nb3 44.Rb3 ba4 45.Rd3 ed4 46.Rd1 Re2 47.Kh3 Qc8 48.g4–+) 44.Be6 (44.Rb4 Qc3 45.Ba2 Bc6–+) 44...fe6 (better is 44...ba4 45.fe4 fe6 46.de5 Qe5 47.Re2–+) 45.Rb5 Qd6 (45...Bd5 46.Rb1 Nb3 47.Rb4–+) 46.d5 (46.fe4 Qc6 47.Raa5 ed4–+) 46...Kf8 (46...Bd5 47.Rb2–+) 47.Rb7 (47.fe4 ed5 48.ed5 Qc7–+) 47...Nb3 48.de6 (48.Rb3 Bd5 Decoy) 48...Bd5 (48...Bd5 49.Rh7 Be6–+) 0–1. Lafortune,Emerick (1920) – Vinas Guerrero,C (2120), Gibraltar Challenger B, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5)

7.Bg7 Kg7

8.a3 a5 9.ba5 Ra5 10.Bg2 Nd7 11.0-0 N7f6 12.d3 Bd7 13.Qd2 Ra4 14.Ne5 Be6 15.Nc3 Nc3 16.Qc3 c6 17.Rfb1 Qc7 18.Qb2 Ra7 19.Bf3 ½–½. Peeters,Bart (1765) – Daamen,Roland (1780), NBSB–chB Roosendal rapid, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.a3 a5 9.Nc3 ab4 10.ab4 Nc3 11.dc3 Qd1 12.Rd1 Ra2 13.Bg2 Rc2 14.0-0 Rc3 15.Rc1 Rc1 16.Rc1 c6 17.b5 cb5 18.Nd4 b4 19.Rc4 (better 19.f4!?-/+) 19...e5-+ 20.Nf3. TossIMBA (2475) - doandu (2585), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.a3 c5 9.bc5+= Qa5 10.Qc2 Nd7 11.c6 bc6 12.Bg2 N7f6 13.0-0 (worse is 13.Qc6 Bf5 14.Qc1 Rfc8+=) 13...Ba6 14.d3 Rab8 15.Nd4 (15.Rc1 Rb6+=) 15...Rfc8 (15...Qb6 16.Nf3 (16.Nc6? Rbc8–+) 16...Qa5 17.Rc1+= (17.Qc6?? Rbc8 18.Qc1 Rc1 19.Rc1 Rc8–+)) 16.Nd2 (16.Nc6 Qb5 17.Na7 Rc2 18.Nb5 Rb5–+) 16...c5 17.N4b3 Qa4 18.Rfc1 c4 19.dc4 Bc4 20.Nd4 Bb5 21.Qa4 Ba4 22.Ne4 (better is 22.Rc8!? Rc8 23.e4+=) 22...Ne4+= 23.Be4 (23.Rc8!? Rc8 24.Be4-/+) 23...Nc3-/+ 24.Bc2 Ne2! 25.Ne2 Rc2 26.Nd4 Rd2 27.Nc6? (better is 27.Nf3 Rd7 28.Ne5-/+) 27...Rbb2–+ 28.Na7 Rf2 29.Rc4 Rg2 30.Kf1 Rh2 31.Rh4 Rhf2 32.Kg1 Rg2 33.Kf1 (33.Kh1 Bb3 34.Rb1 Rh2 (34...Rb1?! 35.Kg2 Bd5 36.Kf2–+) 35.Rh2 Rb1 36.Kg2 Bd5 37.Kf2 Rb7–+) 33...Rbf2 34.Ke1 Bc2 35.Rd4 (35.Ra2 Rd2 36.Rc2 Rc2 37.Kf1 Rcf2 38.Ke1–+) 35...e5 36.Rd6 e4 (36...e4 37.Rad1 e3 38.Rg6 Bg6 39.Nc6 Rg1) 0–1. Szymanski,Marcin – Ganguly,Sekhar, Ch World cadets, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.a3 c6 9.Bg2 a5 10.ba5 Qa5 11.0-0 Bg4 12.Ne5 Be6 13.Nc4 Qc5 14.d3 Rd8 15.Qc2 Nd7 16.Qb2 Kg8 17.Nbd2 (17.Qb7?? Rdb8 18.Qb8 Rb8–+) 17...b5 18.Ne4 Qa7 19.Ncd2 h6 20.Rfc1 Qb6 21.d4 Ra6 22.Nb3 Ra7 23.Nec5 Nc5 24.Nc5 (24.dc5?! Qa6=) 24...Bg4 25.h3 Bc8 26.Qc2 Nf6 27.e3 Rd6 28.Nd3 Ra4 29.Nb4 (29.Bc6? Rc4 30.Qa2 Rcc6–+) 29...Bd7 30.Qc5 (30.Nc6? Bc6 31.Rab1 Bg2 32.Qa4 ba4 33.Rb6 Rb6 34.Kg2 Rb3–+) 30...Qc5 31.Rc5 Nd5 32.Bd5 (32.Nd5?! cd5 33.Bd5 Ra7+=) 32...cd5 33.Nd5 Rda6 34.Nc7 Ra3 35.Ra3 Ra3 36.Nb5 Rb3 37.Nc3 Bh3 38.Kh2 Bg4 39.Kg2 Rb7 40.e4 Kf8 41.Nd5 Ke8 42.Ne3 Bd7 43.Kf3 Bb5 44.Rc8 Kd7 45.Rh8 h5 46.Rf8 Ke6 47.Nd5 Bc6 48.Ne3 Kf6 49.Rc8 Bd7 50.Rc3 Kg5 51.Rc5 Kf6 52.e5 Kg7 53.Ke4 e6 54.Nc4 Rb8 55.Rc7 Rc8 56.Rc8 Bc8 57.Nd6 Bd7 58.Kf4 Bc6 59.Kg5 Bf3 60.Ne8 Kf8 61.Nf6 Kg7 62.Ne8 Kf8 ½–½. Kalista,Karel – Svarc,Roman (2180), CZE–ch op Plzen, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.a3 c6 9.Bg2 a5 10.b5 cb5 11.Qb3 Nc7 (11...b4 12.0-0=) 12.Qb2 (12.Nc3 Bd7=) 12...f6 Secures e5+g5 13.Nc3 White threatens to win material: Nc3xb5 13...Nc6 14.Nb5 Nb5 15.Qb5 Qd6 16.0-0 Bd7 17.Qb2 (17.Qb7?? White will choke on that pawn 17...Rfb8 18.Qa8 Ra8–+) 17...Rab8 18.d3 b5 19.Rfb1 e5 (19...Rfc8 20.Qd2+=) 20.Qd2 (20.Nd2 a4=) 20...Rfc8 21.Ne1 The idea is Nf3–e1–c2–b4 21...a4 Black has a new backward pawn: b5 22.Nc2 Be6 23.Nb4 White threatens to win material: Nb4xc6. A valuable piece 23...Nd4 24.Qe3 f5 25.Rc1? f4-/+ 26.Qd2?? the position was bad, and this mistake simply hastens the end 26...Nb3–+ 27.Qb2 Rc1 28.Rc1 Nc1 29.Qc1 fg3 30.hg3 Rc8 31.Qb2 Qc5 32.Nc6 Kf6 33.Kh2 Rc6 34.f4 Qc3 35.Qb5 Rc5 36.Qb8 Rc8 37.Qd6 Qd4 38.fe5 Qe5 39.Qb4 Qh5 40.Kg1 Qc5 (40...Qc5 41.Qc5 Rc5–+) 0–1. Kaupp,Wolfgang – Woisetschlaeger,Adolf, Baden opA Leimen, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.a3 Re8 9.d4 (9.Nc3 Nc6=) 9...a5 (9...Bf5 10.Nbd2 e5 11.Ne5+=) 10.b5+= Nd7 (10...Bg4 11.Ne5 Be6 12.e4+=) 11.Bg2 (11.e4 N5f6 12.e5 Nd5=) 11...N7f6 12.0-0 (12.Ne5 Bf5=) 12...Bd7 13.a4 c6 (13...Bf5!?=) 14.bc6+= Bc6 15.Ne5 Rc8 16.Qb3 (16.e4 Nb4 17.Nc3 Nd7+=) 16...Qb6= 17.Qb6 Nb6 18.Nc6 bc6 19.Rc1 Nfd5 (19...e5!? 20.de5 Re5=) 20.Rc5+/– Nb4 (20...Red8 21.e3+/–) 21.e3 (21.Ra5?! Nc2 22.Ra2 Nb4=) 21...N6d5 (21...Nd3 22.Ra5 Nc4 23.Ra7+/–) 22.Nd2 Ra8 23.Nb3 e5 (23...e6!?+/–) 24.de5+– Re5 (24...g5 25.e4 Nc7 26.Bf1+–) 25.Na5 Re6 (25...Ra6 26.Bf1 Ra8 27.Nc6 Nc6 28.Rc6+–) 26.Nb3 (26.Nc6 Rc6 27.Rc6 Nc6 28.Bd5 Ra6+–) 26...Ra6 (26...Rd6 27.Nd4+–) 27.Bf1 Ra7 28.Nd4 Re8 29.a5 Rea8 30.Nb3 (30.Ra4 f5+–) 30...f5 (30...Rb8 31.Rc4+–) 31.Nd4 Kf6 (31...Kf8 32.Ra4+–) 32.a6 (32.Nc6 Rc7 33.Bg2 Rc6 34.Rd5 Ra7+– (34...Nd5?? 35.Bd5 Rcc8 36.Ba8 Ra8 37.a6+–)) 32...Nc7? (32...Rc7+–) 33.Nc6 Nca6 (33...Ne6 34.Rcc1 Nc6 35.Rc6 Ke7+–) 34.Rc4 (34.Rc4 Nc6 35.Rc6 Ke7 36.Raa6+–) 1–0. Lesman,Francis (2090) – Elgersma,Simon (1745), Hoogeveen NED, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Na6 9.a3 Nf6 10.Bg2 Be6 11.Qb2 c5 12.0-0 Qb6 13.b5 Nc7 14.Nc3 h6 15.a4 Rad8 16.a5 Qd6 17.Ne4 Qd5 18.Nf6 ef6 19.d3 Bd7 20.b6 ab6 21.ab6 Ne6 22.Nd2 Qd4 23.Qc2 Qd6 24.Nc4 Qe7 25.e3 (25.Bb7?! Nd4 26.Qb1 Ne2 27.Kg2 Bh3 28.Kh3 Qb7+=) 25...Bb5 26.Ra7 Qd7 27.Nb2 Bd3 28.Nd3 Qd3 29.Qd3 Rd3 30.Rb7 Rd6 31.Ra1 f5 32.Bf1 Nd8 33.Rb8 Rd2 34.Raa8 f4 35.gf4 Re8 36.Rc8 Rd7 37.Bb5 Rd1 38.Kg2 Re6 39.Rd8 Rd8 40.Rd8 Rb6 41.Bc4 Rb4 42.Bd5 f6 43.Rd7 Kh8 44.Rc7 Rb5 45.Kf3 f5 46.h4 Ra5 47.h5! gh5 48.Bf7 h4 49.Bg6 c4 50.Bf7 c3 51.Rc3 Kg7 52.Bb3 Ra7 53.Rc5 Kf6 54.Bc2 1–0. Wolski,Thomas (2310) – COMP NOVAG, National op comp, 1996. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Nb6 9.Bg2 Nc6 10.d3 e5 11.Nbd2 Be6 12.Qb2 f6 13.0-0 Qd7 14.a4 a5 15.b5 Nb4 16.Rac1 Rac8 17.Ne4 Bd5 18.Ne5 fe5 19.Qe5 Kg8 20.Nf6 Rf6 21.Qf6 Bg2 22.Kg2 Na4 23.d4 Rf8 24.Qe5 Re8 25.Rc7 Re5 26.Rb7 Qb7 0–1. gentelmenjoe (1885) – plajky (1840), kurnik, 2012.

8.Qb3 e5 9.Ne5 (9.Nc3 Be6+=) 9...Re8+= 10.Nf3 Qf6 (10...Nc6 11.Bg2+=) 11.Nc3= Nb4 (11...a5 12.Qd5 ab4 13.Qd4 bc3 14.dc3+=) 12.Qb4 (12.Bg2 N8c6 13.0-0 Be6=) 12...Qf3+= 13.Qd4 f6 14.Qd5 Qf5 (14...Bg4 15.Qf3 Bf3 16.Rg1=) 15.Bg2= c6 (15...Nc6 16.0-0=) 16.Qf5 (16.Qd6 Qe6 17.Qd4 Qd7=) 16...Bf5 17.0-0 (17.d4 Nd7=) 17...Nd7 18.d4 Rab8 (18...Nb6 19.e4 Bg4 20.Rab1=) 19.Rac1 (19.e4 Bg4=) 19...Rec8 (19...Nb6 20.e4 Bg4 21.h3=) 20.e4+= Be6 21.Rfe1 (21.d5 Bf7+=) 21...Bf7 22.Bh3 (22.f4 Rd8+=) 22...Rd8 23.f4 White intends e5 23...Nb6 24.Red1 (24.Rcd1 Nc4=) 24...Nc4 25.Kf2 (25.Na4 f5 26.e5 h6=) 25...b5 26.e5 Bd5 (26...Nb2 27.Rd2 Nc4 28.Rdd1=) 27.Bf1 (27.Nd5 cd5 (worse is 27...Rd5 28.Bg2+–) 28.Rc2 Rb6=) 27...Rb6 (27...Kf7 28.Be2+=) 28.Rc2 (28.Nd5 cd5 29.a4 a5+=) 28...Ra6 (28...Be6 29.ef6 Kf7 30.Re2=) 29.a4+= Na3 (29...ba4 30.Ra1 Ra5 31.Ra4 Ra4 32.Na4+=) 30.Rb2 (30.ab5 Nc2 31.ba6 Rb8+/–) 30...Bc4 (30...Rb6!?+=) 31.ab5+/– cb5 32.Bc4 (worse is 32.Nb5 Bb5 33.Bb5 Rb6+=) 32...Nc4 33.Rb5 fe5 34.de5 (34.fe5 Ra3 35.Ne2 Ra2+/–) 34...Rd1 35.Nd1 (35.Rb7 Kf8 36.Nd1 Ra2 37.Ke1 Rh2+/–) 35...Ra2 36.Kf3 (36.Ke1 Rh2 37.Rb7 Kf8 38.Ra7+/–) 36...Nd2 (36...Rh2!? 37.Kg4 a5+/–) 37.Ke2+– Nc4 38.Kd3 Nb6 39.Rb2 (39.Ne3 Rh2 40.Ra5 Nc8+/–) 39...Ra5 (39...Ra3 40.Ke4+–) 40.Nc3 g5 (40...Kf7 41.Ne2+–) 41.Ra2 (41.Kd4!? gf4 42.gf4 Kf8+–) 41...Ra2 42.Na2 a5 (42...gf4!? 43.gf4 a5+–) 43.f5+– (43.fg5?! Kg6+/–) 43...a4 44.Kd4 a3 (44...g4 45.Nb4 a3 46.Kc5+–) 45.Kc5 Nd7 46.Kd6 Nb6 47.Ke6 White prepares f6 (47.Ke7 Nd5 48.Ke6 Ne3+–) 47...Nc4 (47...Kg8 48.f6 Kf8 49.h3+–) 48.Nc3 g4 49.f6 Kf8 50.Kf5 (better is 50.Na2!?+–) 50...Ne3+/– 51.Ke4 Nc4?? (better is 51...Nd1 52.Na2 Kf7+/–) 52.Na2?? (better is 52.Kd4 Nb6 53.e6+–) 52...Kf7= 53.Kd5 Ne3 54.Kd4 Nc2 (54...Nf1 55.Kd5 Ne3 56.Kc5 Ke6=) 55.Ke4 (better is 55.Kc3 Ne1 56.Nb4=) 55...Ne1?? (55...Ke6 56.Kf4+=) 56.Ke3 (better is 56.Kf5+–) 56...Ke6 (56...Nf3 57.Kf4 Ke6 58.Kg4 Ne5 59.Kf4 Kf6 60.h3+=) 57.Kf4 Nd3 (57...Nf3 58.Kg4 Ne5 59.Kf4 Kf6 60.h3+=) 58.Kg4-/+ Ne5 59.Kg5 (59.Kf4 Kf6 60.h3 Nf7+=) 59...Nf7 (59...Nf3 60.Kh6 Kf6 61.h3-/+) 60.Kf4 (60.Kg4 Kf6 61.Kf4 Ne5-/+) 60...Kf6 61.g4 (61.Nc3 Ne5-/+) 61...Nd6 (61...Nh8!?-/+) 62.h4+= Nb5 (62...Ke6 63.h5+=) 63.g5 (63.Ke4 Ke6+=) 63...Ke6 (63...Kg6 64.Kg4+=) 64.h5 (64.Ke4 Nd6 65.Kf4 Ne8+=) 64...Nc7 65.Ke4 Ne8 66.Kf4 Nd6 (66...Ke7 67.Kg3+=) 67.Nc3 Nc4 68.Ke4 Ne5 (68...Nb6 69.Kd3+=) 69.Kf4 (69.Na2 Nc6+=) 69...Nd3 70.Ke4 Nb4 71.Nb5 (71.Ne2 a2 72.Nd4 Kd6-/+) 71...a2 72.Nd4 Kf7 (72...Kd6 73.Nb3-/+) 73.Nb3 Nc2 (73...Na6!? 74.Kd4 Ke7+=) 74.g6 ½–½. Duong,Tha (2125) – Bassel,Charaf (2075), Montreal Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Be6 9.Bg2 Nb6 10.Qb2 f6 11.0-0 a5 12.b5 a4 13.Na3 (13.Rc1 Bd5+=) 13...Qd6 14.Rfc1 N8d7 (14...Bd5 15.d3+=) 15.d3 (15.Nd4 Bd5 16.Bd5 Qd5 17.Rc7 e5+/-) 15...Rfc8 16.Rc2 Kg8 17.Rac1 c5 (better 17...Bd5!?+=) 18.bc6!+- Rc6 (18...bc6 19.Nd4 Decoy; 18...Rc6 19.Rc6 Decoy) 19.Rc6 bc6 20.Nd2 (20.Nd4!? Bd5 21.e4+-) 20...Rc8 (20...Bd5 21.Ne4 Qe6 22.Nc5=) 21.Nac4+/- Nc4 22.Nc4 (worse 22.dc4 Rb8 23.Qc3 Bf5=) 22...Qb8 23.Qa3 c5 (23...Bc4 24.Rc4 Qe5 25.Bc6+- (25.Qa4?! Qe2 26.Bd5 Kh8 27.Rc6 Rb8+/-)) 24.Qa4+- Qb4 (better 24...Ne5!?+-) 25.Qa6 Nf8 26.Bd5!! Bd5 27.Qc8 Qa4 (27...Bc4 28.dc4 Kf7+-) 28.Qc5 (28.Qc5 Be6 29.Qe7 Qa2 30.Nd6+-) 1-0. Kovalev,De (2485) - Tokman,A (2315), Titled Tuesday 3rd Nov, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 Be6 9.Bg2 Nf4 10.Qb2 f6 11.gf4 Nc6 12.0-0 Bd5 13.d3 Nb8 14.Nbd2 (14.Nc3 Bf3 15.Bf3 c6+-) 14...Kg8 (14...Qd6 15.Rfc1+-) 15.Rfd1 a6 16.e4 Bc6 (16...Bf7 17.Rac1+-) 17.a4 White plans b5 17...Qd7 18.Nc4 b6 19.b5! ab5 20.ab5 Ra1 21.bc6?? (better 21.Ra1 Bb5 22.Qb3+-) 21...Rd1 22.Bf1 (22.Ne1 Re1 23.Bf1 Qg4 24.Kh1 Rf1) 22...Qc6 (22...Qg4 23.Kh1 Rf1 24.Ng1 Qg1) 23.Qb3-+ Kg7?? (better 23...Rf1 24.Kf1 e6-+) 24.Qd1+= Na6 25.Qb3 (25.f5 Nc5+=) 25...Nc5 26.Qc3 Ra8 27.Ne3 Ra2 (better 27...Qd7!?+=) 28.d4+- Qe4 (better 28...Rf2!? 29.Bg2 Re2+-) 29.dc5 Qf3?? (29...Kh8 30.Kg2 Ra8+-) 30.Nc2 (better 30.Nf5! gf5 31.Qf3+-) 30...Qc3 31.Ne3 Qc1 (31...Qe1 32.Nc2 Rc2 33.Kg2 Rf2 34.Kh3 Qe3 35.Kg4 Rf4) 32.cb6 cb6 33.f5 Rf2! 34.Kf2 (34.Kf2 Qc7 Combination) 34...gf5 (better 34...Qb2 35.Be2-+) 35.Be2 (35.Nf5 Kf7 36.Ne3 Qd2 37.Be2 e5-+) 35...f4 36.Nf5 (36.Nf1 e5 37.h4 e4-+) 36...Kf7 37.Nh4. Spiritchaser84 (2285) - f__k (1905), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 Be6 9.Bg2 Nf6 10.Qb2 Nc6 11.0-0 a6 12.a4 (12.Nc3 Qd6=) 12...Kg8 (12...Qd6 13.b5 ab5 14.ab5=) 13.Nc3 White intends b5 13...Qd6 14.b5 ab5 15.ab5 Ra1 (15...Na5 16.Ng5+=) 16.Ra1 Nd4 (16...Nb4!?+=) 17.Nd4+/- Qd4 18.Ra4 (18.Bb7 Rb8 19.Bc6 Bd7+/-) 18...Qb6 19.d3 (19.Qb4 Re8+/-) 19...Ng4 20.Nd5?? (better 20.e3+/-) 20...Qf2 21.Kh1 Bd5 (21...Qe1 22.Bf1 Qf1) 22.e4 (22.Qh8 Kh8 23.e4 Qe1 24.Bf1 Qf1) 22...Qe1 23.Bf1 Nf2 (23...Qf1) 24.Kg2-+ Nd3! 25.Bd3 Be4?? (better 25...Be6 26.Ra1 Qe3-+) 26.Re4+/- Qa5? (better 26...Qd1!? 27.Rd4 Qe1+-) 27.Re7+- Rd8 (27...Qb6 28.Qe5 Qa5 29.Qc7 Qa2 30.Be2 Qd5 31.Kh3+-) 28.Qe2 (better 28.Qf2 Rf8 29.Bc4+-) 28...Qb4 29.Re8 (29.Rc7!? Qd6 30.Rc3 Qd4+-) 29...Re8 30.Qe8 Kg7 31.Qe5 f6 (better 31...Kh6+-) 32.Qe7?? (better 32.Qc7 Kh6 33.Be2+-) 32...Kh6 (better 32...Qe7 33.Bf1 Qe3-+) 33.Qe3 (33.Qb4 c5 34.bc6 Kg7 35.c7 Kh6 36.Qf8 Kh5 37.Be2 Kg5 38.c8Q b5 39.h4) 33...Kg7+- 34.Be2 Qd6 (34...h5 35.Qd3 Qb2 36.Kf2+-) 35.Qe4 (35.Bf3!? c6 36.bc6 bc6 37.Qa7 Kh6+-) 35...c6+/- 36.bc6 bc6 37.Bf3 c5 38.Qb7 Kh6 39.Qc6 Qd2 40.Kh3 Qe3?? (40...Qd4 41.Bd5+/-) 41.Bg2 (better 41.Qf6 Qd4 42.Qd4 cd4 43.Kg4+-) 41...f5 42.Qc5?? (better 42.Bd5+/-) 42...Qc5 43.g4 (43.Bf3 Qf2 44.Bc6 g5 45.Bf3 Qf1 46.Bg2 g4 47.Kh4 Qg2 48.h3 Qh3) 43...fg4 (43...Qe3 44.Bf3 Qf3 45.Kh4 Qg4) 44.Kg4-+ Kg7 0-1. Spiritchaser84 (2240) - eliasmorenorodrigues (1900), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 Nf6 9.Bg2 Nc6 10.0-0 e5 11.d3 Bg4 12.Nbd2 Qe7 13.b5 Nd8 14.Qb2 Nd7 15.Rac1 Rc8 16.h3 Bf3 17.Bf3 f6 18.Rc3 b6 19.Qa3 Nc5 20.Nb3 Nde6 21.Nc5 Nc5 22.Qa7 Qd7 23.a4 f5 24.Bc6 Qd4 25.Rc4 Qd8 26.a5 Rf7 27.Rc5 bc5 28.Qc5 Qf6 29.a6 Rff8 30.a7 1–0. Reti,Richard – Pokorny,Amos, Mahrisch Ostrau, 1923. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

8.Qb3 Bg4 9.b5 a6 10.Nc3 Nc3 11.Qc3 f6 12.ba6 Ra6 13.Bg2+=.

8.Qb3 Bg4 9.Bg2 Bf3 10.Bf3 e6 11.Nc3 c6 12.h4 Nd7 13.h5 Qf6 14.Rc1 Ne5 15.Bg2 Ng4 16.f3 Ne5 17.Ne4 Qe7 18.Qb2 f6 19.f4 Nf7 20.b5 cb5 21.Qb5 Rac8 22.0-0 b6 23.hg6 hg6 24.Qb2 Nd6 25.Nf2 Rh8 26.e4 Nc7 27.e5 Nf5 28.Ne4 Kf8 29.ef6 Qh7? 30.Qa3 Ke8 31.Ng5 Qh2 32.Kf2 Qg3 33.Qg3 Ng3 34.Kg3 1–0. Jeric,Simon (2365) – Campa,Katarina (2070), Ljubljana op 4th, 1993.

8.b5 a6 9.Qb3 ab5 10.Qb5 Nc6 11.Bg2 Ndb4 12.0-0 Kg8 13.a3 Nc2 14.Ra2 N2d4 15.Nd4 Nd4 16.Qe5 f6 17.Qe3 Ra6 18.Kh1 Re6-/+ 19.Qd3 Re2 20.Nc3 Re5 21.Rb2 b6 22.Rb4 c5 23.Rb2 Kg7 24.Qc4 Bf5 25.Qa6 Re6 26.Bd5 Rd6–+ 27.Bg2 Nf3! 28.Bf3 Bd3–+ 29.Qb7 Bf1 30.Ne4 Rd7 31.Qb6 Qb6 32.Rb6 Rc7 33.Nc3 Bc4 34.h4 Rd8 35.Rb2 Rcd7 36.Ne4 Bd5 37.d3 Be4 38.de4 Ra7 39.Rc2 Ra3 40.Kg2 Rc8 41.Rc4 e5 42.h5 Rb3 43.hg6 Rb4 44.Rc3 hg6 45.g4 Rd4 46.Kf1 Kf7 47.Ke2 c4 48.Ke3 Ke6 49.Be2 Kd6 50.f4 g5 51.f5 Kc5 52.Rc2 Rb8 0–1. Rakous,P (2010) – Drabek,Vojtech, ProMoPro Open, 2006.

8.Qc2 a5 9.b5 c6 10.Nc3 (10.Qb2 f6=) 10...cb5 (10...Kg8 11.bc6 Nc6 12.Bg2=) 11.Nb5 Nc6 12.a3 (12.Bg2 e5=) 12...Bg4 (12...e5 13.d4=) 13.Qb2 Kg8 (13...f6 14.Bg2=) 14.Ne5 (14.Bg2 Rc8=) 14...Bd7 (14...Ne5 15.Qe5 Rc8 16.Bg2=) 15.Nc6 (15.Bg2 Ne5 16.Qe5 Bb5 17.Bd5 Bc6 18.Bc6 bc6=) 15...Bc6 (15...bc6 16.Nc3=) 16.Nd4 (16.e4 Nb6 17.f3 Bb5 18.Bb5 Qd6=) 16...Qd6 17.Bg2 Rfd8 (17...e5 18.Nc6 bc6 19.Qc2=) 18.Nc6 (18.Rc1 Rab8=) 18...bc6 19.Qc2 Rac8 (19...e5 20.0-0=) 20.0-0 Nf6 21.d3+= c5 22.Rfd1 Nd7 23.Rab1 Rb8 24.Qa4 Qc7 25.Rdc1 Qe5 26.Rb8+– (26.Rb8 Qb8 27.Qa5+–) 1–0. bschardein (2360) – leen (2155), net–chess.com, 2005.

8.Nc3 Nb4 9.a3 Nd5-/+.

8.Qb3 a5

9.ba5 Ra5 10.Bg2+=.

9.ba5 c5 10.Bg2 Nc6 11.Nc3 e6 (11...Nf6 12.0-0+=) 12.Nd5 (12.0-0!?=) 12...ed5+= 13.0-0 Ra5 14.d3 Re8 15.e3 Kg8 16.Nd2 Re5 (16...Be6 17.Rfb1+=) 17.Nf3 (17.Rfc1 Kg7=) 17...Re7+= 18.Nd2 (18.a4 b6+=) 18...Be6-/+ 19.Qb2 Qa8 (19...Qd6!?-/+) 20.Rfc1 Nb4 21.Nb3 (21.Qf6!? Rd7 22.Nb3 Nd3 23.Rd1=) 21...Nd3+= 22.Qf6 (22.Qd2 Nc1 23.Na5+=) 22...Rd7 (22...Nc1 23.Rc1 Re8 24.Na5 Qa5 25.h4-/+) 23.Na5 (23.Rc3!? c4 24.Na5 Qa5 25.Qd4=) 23...Nc1-/+ (worse is 23...Qa5 24.Qc3 Qc3 25.Rc3+=) 24.Nb7? (24.Nb3 Nb3 25.ab3 Qd8-/+) 24...Rb7 (better is 24...Ne2!? 25.Kf1 Qb7 (25...Rb7?! 26.Ke2 Qa6 27.Ke1–+) 26.Ke2 Qb5 27.Kf3 d4–+) 25.Rc1-/+ Qa2 26.Bd5?? (better is 26.Bf3-/+) 26...Qd5–+ (26...Qd5 27.Ra1 Rb3–+) 0–1. Casasampera Boada,Joaquim (1990) – Ros Alonso,Jaume (2035), Sant Boi ESP, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 a5)

9.ba5 Nc6 10.Bg2 Ra5 11.0-0 e5 12.Nc3 Nb6 13.d3 Be6 14.Qb2 f6 15.Nd2 ½–½. Mosetlhe,Kgaugelo (2140) – Van Rensburg,Ryan Pierre (2170), Pretoria RSA, Capablanca Mem IM, 2014. (=1.Nf3 Nf6 2.g3 g6 3.c4 Bg7 4.b4 d5 5.Bb2 0-0 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 a5)

9.b5 c5 10.Bg2+= b6 11.0-0 Bb7 12.Na3 Nd7 13.Nc4 f6 14.Nh4 (14.Rac1 a4 15.Qb2 e5+=) 14...Ra7 15.f4 e6 16.e4 Nc7 17.a4 e5 18.Nd6 Ne8 19.Nb7 Rb7 20.Qd5 Qc7 21.Bh3 Rf7 22.Nf3 Re7 23.f5 (23.Rac1 ef4 24.gf4 Nf8+=) 23...g5= 24.Bg4 Nf8 25.d3 (25.Rac1 Qd6 26.Qb3 Rbd7=) 25...Rd7 26.Qb3 Qd8 27.Ra3 Nd6 28.Re1 Rbc7 Black prepares c4 29.Nd2 c4 30.Qa2 (30.Nc4!? Nc4 31.dc4=) 30...cd3+= 31.Rd3 Nb5 32.Rd7 Rd7 33.Nc4 (33.Nb1 Nd6-/+) 33...Nd6 (33...Nc3 34.Qb3 Rd3 35.Qb6 Qb6 36.Nb6-/+) 34.Nd6 Rd6 35.Bh5 Qd7 36.Rc1 (36.Qb3 Rd3 37.Qb6 Qa4-/+) 36...Kh6 (better is 36...Rd2 37.Qc4 Rd4–+) 37.Qg8?? (better is 37.Be2+=) 37...Kh5–+ 38.Qf8 Rd1 39.Rd1 Qd1 40.Kf2 Qd2 41.Kf1 Kg4 (41...Qh2?! 42.Qf6 Qh1 43.Kf2 Qe4 44.Qe6–+) 42.Qh6 (42.Qa3 Qh2 43.Qd3–+) 42...Kf3 (42...Kf3 43.Qh5 Ke3 44.Qg5 fg5 45.Kg1 Qf2 46.Kh1 Qf1) 0–1. Rabrenovic,Vladan (2380) – Scekic,Veljko (2185), Mezdunarodni Sahovski Open Turnir Cetin, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 a5)

9.b5 c6 10.Na3 cb5 11.Nb5 Nc6 12.Bg2 a4 13.Qb2 f6 14.0-0 e5 15.Rfc1 Be6 16.Rab1 Qe7 17.a3 Rfc8 18.d3 Na5 19.e4 Nc7 20.Ne5?? (better is 20.Nc7 Rc7 21.Rc7 Qc7 22.d4 ed4 23.Nd4+=) 20...Nb5-/+ 21.Qb5 Rc1 (21...fe5?! 22.Qe5 Qf6 23.Rc8 Bc8 24.Qf6 Kf6 25.f4=) 22.Rc1 fe5?? (better is 22...Nb3 23.Rc4 Kh6 (23...fe5? 24.Qe5 Qf6 25.Rc7 Bf7 26.Qf6 Kf6 27.e5 Ke5 28.Rf7+–; 23...Bc4?! 24.Nc4 Rd8 25.e5-/+) 24.Ra4 Ra4 25.Ng4 Bg4 26.Qa4 Qc5-/+) 23.Qe5+/– Qf6 24.Qc7?? (better is 24.Rc7 Bf7 25.Qf6 Kf6 26.e5 Ke6 27.Bh3 Ke5 28.Rf7+/–) 24...Kg8+= 25.Qb6 Ra6 26.Qb5 Qf8 27.Rc3 Ra8 28.d4 Bb3 29.e5? (better is 29.Rc7+=) 29...Qa3–+ 30.Bd5 Kh8 31.Rf3? Qa1 32.Kg2 Bd5 33.Qd5-/+ Nc6 34.Qd6= Kg8?? 35.Qe6 Kh8 36.Rf7 (36.Rf7 Qf1 37.Kf1 Kg8 38.Qf6 Ne5 39.Qg7) 1–0. Kohler,Paul (1880) – Miatello,Alberto (2040), Geneve op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

9.b5 c6 10.a4 Qb6 11.Bg2 Nd7 12.Na3 Nc5 13.Qb2 Kg8 14.Nc4 Qc7 15.0-0 Nb4 16.b6 White threatens to win material: b6xc7 16...Qd8 17.Na5 (17.d4 Nca6+=) 17...Nd5= Black threatens to win material: Nd5xb6 18.d4 White threatens to win material: d4xc5 (18.Nc4 Na4 19.Qd4 Ndb6+=) 18...Nd7 (better is 18...Ra5!? deserves consideration 19.dc5 Rc5+=) 19.Nc6+/– Qb6 20.Qb6 N7b6 (20...N5b6? 21.Ne7 Kg7 22.Rfb1+–) 21.a5 bc6 (21...Nd7 22.e4 bc6 23.ed5 cd5 24.Ne5+=) 22.ab6 Ra1 (22...Rb8 23.Rfc1 f6 24.Rc6 Rb6 25.Ne5+/–) 23.Ra1+/– Nb6 24.Ne5 f6 25.Nc6 Re8 26.Ra7 Kf8 27.Rc7 Ba6 28.e3 Nc4?? cause more grief (better is 28...Rc8 29.Rc8 Bc8+=) 29.Bf1+– Bb5 30.Na7 Ne3 31.Bb5 (31.Bb5 Nd5 32.Rd7+–) 1–0. Chistiakova,Tamara (2085) – Tankut,Olga, RUS–ch U16 Girls, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.b5 c6 10.Nc3 Nf6=.

9.b5 Nf6 10.Qe3=.

9.Nc3 Nf6 10.b5 Be6=.

9.b5 a4

10.Qb2 f6 11.Bg2 c6 12.0-0 e5 (12...cb5 13.e4 Nc7 14.d4=) 13.Rc1 Qb6 (13...cb5 14.e4 Ne7 15.Nc3=) 14.Na3 Be6 15.e4 Nc7 16.d4 ed4 17.Nd4 Bf7 18.Nc4 (18.Rd1 cb5 19.Rab1 Nc6 20.Ndb5 Rad8+=) 18...Bc4= 19.Rc4 Nd7 20.Rc2 c5 21.Rac1 (better is 21.Rd1 Rf7 22.Nf3+=) 21...Rfc8?? (better is 21...Rf7 22.Nf3 a3+=) 22.Bh3+/– Ne5?? (better is 22...Rd8+/–) 23.Bc8 (better is 23.Rc5!? Kg8 24.Bc8 Rc8+–) 23...Rc8 24.Rc5 Nd3 25.Qa3 Nc1 26.Qc1 Nb5 (26...Kf7 27.Qc4 Ke7 28.Kg2+–) 27.Rc8 Qd4 28.Rc4 (28.Qc4 Qc4 29.Rc4 Kf7+–) 28...Qd7 (28...Qd3 29.Kg2+–) 29.Kg2 (29.Rc5 h5+–) 29...Qd3 Black intends a3 30.Qc2 Qc2 31.Rc2 Kf7 32.Rc4 a3 33.Rc5 Nd6 34.Rc3 (34.f3!? Ke6+–) 34...Ne4 35.Ra3 (35.Rc7 Kg8+–) 35...Ke6 (35...f5 36.Kf3+–) 36.Re3 Kd5 37.Rd3 Kc6 38.Kf3 (38.Rd8 f5+–) 38...Nc5 (38...Nd6 39.Rc3 Kd7 40.Ke3+–) 39.Rd2 (39.Rd8 Nd7+–) 39...b5 (39...Ne6 40.Rc2 Nc5 41.Ke3+–) 40.Ke3 (40.Rd8!? f5+–) 40...Ne6 41.h4 b4 (41...f5 42.Rc2 Kd7 43.Rc1+–) 42.Rc2 Kd5 (42...Kd6 43.Rc8+–) 43.Rc8 1–0. Julia,E (2340) – Cuberli,E (2180), Norberto La Porta Cup, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 a5)

10.Qb2 f6 11.Bg2 e5 12.0-0 Bf5 13.Na3 (13.d4 Bb1 14.Rab1 e4=) 13...Re8 (better is 13...Qd7=) 14.e4 (better is 14.d3 Bg4 15.Rac1+=) 14...Nf4?? (better is 14...Be4!? 15.d4 Bf3 16.Bf3 e4-/+) 15.b6?? (better is 15.gf4!? Be4 16.fe5 fe5+–) 15...Nd3?? (better is 15...Nh3 16.Bh3 Bh3 17.bc7 Qc7=) 16.Rfb1?? (better is 16.bc7 Qc7 17.Qb5+–) 16...Bc8 (16...Nb2 17.ef5 Qd3 18.Ne1 Qa3 19.Bb7–+) 17.Kh1?? (17.Qc3 cb6 18.Nc4 Re6=) 17...Kh6 (better is 17...Nb2 18.Rb2 c6–+) 18.Ng1?? (better is 18.Qc3 cb6 19.Nc4+=) 18...Re7 (18...Nf2) 1–0. Hrabusa,M (2310) – Kleman,M (2145), TCh–SVK, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 a5)

10.Qb2 Kg8 11.Bg2 c6 12.Na3 cb5 13.Nb5 Nc6 14.0-0 Qb6 15.Rfb1 a3 16.Qb3 Ndb4 17.Nc3 Be6 18.Qd1 Qa5 19.d3 Rab8 20.Qd2 Kg7 21.Ne4 f6 22.Rc1 b6 23.Nc3 Rfc8 24.Qe3 Bf7 25.Bh3 Rd8 26.Be6 Be6 27.Qe6 Rd6 28.Qb3 f5 29.Nb1 Ra8 30.Nbd2 Qa4 31.Qc3 Rf6 32.Nb3 Nd5 33.Qd2 Qb4 34.Qd1 e5 35.Rc4 Qe7 36.Rac1 Ndb4 37.Qd2 Rd8 38.Rh4 h5 39.Qg5 Rh8 40.Rhc4 Rc8 41.Nh4 Qf8 42.Qd2 f4? 43.Rb4!+– fg3 44.Rb6 gf2 45.Kf1 Rf4?? 46.Rbc6 Rc6 47.Rc6 Rh4 48.Qg5 Rh2 49.Rc7 (49.Rc7 Kh8 50.Qe5 Kg8 51.Qh2+–) 1–0. Vezzosi,Paolo (2370) – Miatello,Alberto (2045), Arco op, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

10.Qb2 Kg8 11.Bg2 c6 12.Na3 Qd6 13.Rb1 Rd8 14.0-0 Qf6 15.Rfc1 Kg7 (15...Qb2 16.Rb2 cb5 17.Ne5+=) 16.Qc2 (16.Ne5 Bd7+/–) 16...Bd7 17.bc6 Bc6 18.d4 Na6 19.Nc4 (19.e4 Ndb4 20.Qe2 Na2 21.Rc6 Qc6 22.Qa2 Rac8+–) 19...Rac8 (19...Ndb4 20.Qb2 Be4 21.a3 Bb1 22.Qb1+=) 20.Nce5 Nf4 21.Nc6 Rc6 22.Qb2 Rc1 23.Rc1 Ng2 (23...a3!? 24.Qc2 Ng2 25.Kg2 b5=) 24.Kg2+/– Rb8 25.Qb5 Qe6 26.Qa4 Qd5 (26...b5 27.Qa5+/–) 27.a3 e6 28.Qc2 Qd6 29.Qd3 b5 30.Ne5 Nc7 31.Rc6 Qd8 32.e4 b4 (32...f6 33.Qc3 Rb7 34.Nd3+–) 33.ab4 (33.Rc4!? Rb7 34.Rb4 Rb4 35.ab4 h6+–) 33...Rb4 34.Qc3 Rb7 35.Nf3 Nb5 36.Qc5 Qb8 37.d5 ed5 38.ed5 Na7 39.Qd4 Kg8 40.Rc4 Qd8 41.h4 Nb5+/– 42.Qe5 Rd7+= 43.Rc5 Nc7 44.Ng5 f6 45.Ne6+= fe5 46.Nd8 Nd5 47.Nc6+/– Rc7 48.Rd5 Rc6 49.Re5 Kf7 50.Ra5 h5 51.Kf3 Kf6 52.Kg2 Rb6 53.f4 Rb2 54.Kh3 Rc2 55.Rg5 Rf2 56.Ra5 ½–½. Pacl,Vaclav (2150) – Soural,Jan (2190), Ostrava CZE, Ostravsky Konik, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

10.Qb2 Kg8 11.Bg2 Nd7 12.0-0 N7f6 13.Rc1 Bd7 (13...Bg4 14.d4+=) 14.Na3 Ra5 (14...Bg4 15.d4+=) 15.Ne5+/- Nb6? (15...Ra8 16.Qd4+/-) 16.Rc2 (better 16.Bb7!? Ra7 17.Bc6+-) 16...Bf5 17.d3 Nfd5? (better 17...Ra7+/-) 18.e4+- 1-0. lswlxx (2485) - InsaneChessPlayer (2445), Rated Bullet game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 c6

9.Nc3 a5 10.b5 a4!? 11.Na4 cb5 12.Qb5 Nc6 13.Qb2 f6=.

9.Nc3 a5 10.b5 Nb4 11.a3+/– Nd5 12.Bg2 (12.bc6 bc6 13.Bg2 Nd7 14.Nd5 cd5 15.Qd5 Rb8+=) 12...Nc3+= 13.Qc3 Kg8 14.0-0 (14.a4 cb5 15.ab5 Qb6+=) 14...cb5 15.Nd4 Bd7 (15...Nc6 16.Nb5 Bg4 17.Qe3+=) 16.Rab1 (16.Bb7 Ra7 17.Bf3 e5+/–) 16...Nc6 (16...Bc6 17.Nb5 Qd7 18.Nd4+=) 17.Nb5 (17.Nc6?! bc6 18.Rfc1 Ra6=) 17...Rc8 (17...Bf5 18.d3+= (worse is 18.Bc6 bc6 19.Nd4 Bb1 20.Rb1 Qd6-/+)) 18.Qb2 (18.Qe3 Bf5 19.d3 Qd7+/–) 18...Bf5 19.e4 (19.d3 Qd7+=) 19...Be6 20.Rfc1 Qd3 (better is 20...f5!?+=) 21.Rc3+/– Qd7 22.d4 Bh3 23.d5 Bg2 24.Kg2 (24.dc6?! bc6 25.Kg2 cb5 26.Rc8 Rc8=) 24...Nb4 (24...e6 25.d6+/– (25.dc6?! bc6 26.Rf3 cb5=)) 25.Nd4 (25.Rc8 Rc8 26.Nd4 Nd3 27.Qb7 Qb7 28.Rb7 Rc4+–) 25...Rc3+/– 26.Qc3 Rc8 (26...Na6 27.Qa5 Rc8 28.Qd2+/–) 27.Qb3 (27.Qb2 Nd3 28.Qb7 Qb7 29.Rb7 Rc4+–) 27...Na6 (27...e5 28.Nf3 Na6+–) 28.Qb7 Qb7 29.Rb7 Rc4 (29...Kf8 30.Ra7 Nc5 31.Kf3+–) 30.Nc6 Re4 31.Re7 (31.Ne7!? Kg7 32.Nc6 Kf6+–) 31...Re7 32.Ne7 Kf8 33.Nc6 a4 34.Kf3 Nc5 (34...Ke8 35.Ke4 Nc5 36.Kd4 Nb3 37.Kc4 Nd2 38.Kb5+–) 35.Ke3 Ke8 (35...Nb7 36.Kd4+–) 36.Na5 Ke7 (36...f5 37.f3+–) 37.Kd4 Nd7 38.Nc4 Nf6 (38...h5 39.Nb2+–) 39.f3 1–0. Parente,Renan Braz (2185) – Correia,Mario (2075), ch–Cearense, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 c6)

9.Nc3 Na6 10.b5+= cb5? (better is 10...Nc5 11.Qc4 Qd6+=) 11.Nd5+– Be6 12.Qb2 Kg8 13.Ne3 Nc7 14.Bg2 a6 15.0-0 Nd5 16.Nd4 Ne3 17.Ne6 fe6 18.de3 1–0. bschardein (2585) – rpatru (2115), net–chess.com, 2006.

9.Nc3 Be6 10.Qb2 Kg8 11.Bg2=.

9.d3 Re8 10.Bg2 e5 11.Nbd2 Be6 12.Qb2 f6 13.0-0 Qd6 14.a3 Nd7 15.Nc4 Qe7 16.e4 N5b6 17.Na5 Rab8 18.Rac1 Na4 19.Qc2 Ndb6 20.d4 ed4 21.Nd4 Bf7 22.Rfe1 Red8 23.Rcd1 Qe5 24.f4 Qe7 25.h3 c5 26.bc5 Qc5 27.Qc5 Nc5 28.e5 Nc4 29.Nb7 Nb7 30.e6 Nc5 31.ef7 Kf7 32.Nc6 Rd1 33.Rd1 Ne3 34.Rc1 Rb2 35.Bd5 Nd5 36.Rc5 Nb6 37.Na7 Rb3 38.Rc7 Kf8 39.Kg2 Ra3 40.Rh7 Nd5 41.h4 f5 42.Nc6 Ra2 43.Kh3 Ne3 0–1. gentelmenjoe (1855) – plajky (1855), kurnik, 2012.

9.Bg2 a5 10.b5 Qb6 11.a4 Be6 12.Ng5 Bd7 13.0-0 e6 14.Na3 cb5 15.ab5 h6 16.Nc4 Qb5 17.Qb5 Bb5 18.Bd5 hg5 19.Bb7 Ra7 20.Nd6 Be2 21.Rfe1 Rd8 22.Re2 Rd6 23.Bf3 Nc6 24.Bc6 Rc6 25.Re5 a4 26.Rg5 a3 27.Rb5 Rc2 28.d4 a2 29.Kf1 Kf6 30.Ke1 Ra4 31.d5 Re4 32.Kf1 Ree2 0–1. gentelmenjoe (1905) – strusf (1890), kurnik, 2012.

9.Bg2 Qb6 10.a3 a5 11.Nc3 ab4 12.Nd5 cd5 13.0-0 Nc6 14.Rfb1 Bf5 15.d3 Rfd8 16.Qb2 Kg8 17.h4 Bg4 18.e3 d4 19.e4 Bf3 20.Bf3 Ne5 21.Be2 Rdc8 22.Qb4 Qb4 23.Rb4 Rc3 24.Rd4 Raa3 25.Ra3 Ra3 26.f4 Nc6 27.Rd7 Ra2 28.Kf2 Rb2 29.d4 Kg7 30.Ke3 e6 31.Bc4 Kf8 32.d5 ed5 33.Bd5 Rg2 34.Kf3 Rd2 35.Rf7 Ke8 36.Rb7 1–0. gentelmenjoe (1920) – adamk112 (1835), kurnik, 2012.

9.Bg2 Qb6 10.a3 a5 11.e4 Nf6 12.d4 ab4 13.a4 Be6 14.Qb2 Bc4 15.Nbd2 Ba6 16.h4 h5 17.Ng5 Rd8 18.d5 cd5 19.e5 Ne4 20.e6 f6 21.Nge4 Qe6 22.0-0-0 de4 23.Ne4 Qc4 24.Kb1 Nc6 25.Rc1 Qd3 26.Ka1 Nd4 27.Nc5 Qe2 28.Rhe1 Qb2 29.Kb2 e5 30.f4 b6 31.Ba8 bc5 32.Bg2 c4 33.fe5 c3 34.Ka1 Nb3 35.Ka2 Bc4 36.ef6 Kf6 37.Kb1 Rd2 38.Rc2 Rd8 39.Bf1 Nd2 40.Kc1 Nf1 41.Rf2 Kg7 42.Ref1 Bf1 43.Rf1 b3 44.Rf3 Rc8 45.Re3 b2 46.Kc2 Rb8 47.Re1 1–0. gentelmenjoe (1890) – plajky (1830), kurnik, 2012.

9.Bg2 Qb6 10.Nc3 Qb4+= 11.Nd5 Qb3 12.ab3 cd5 13.Nd4 e6 14.0-0 Bd7 15.e4 (15.Rfc1 a5-/+) 15...Nc6 (15...de4 16.Be4 Bc6 17.Nc6 Nc6 18.Bc6 bc6 19.Rfc1-/+) 16.Nb5 (16.Nc6 Bc6 17.ed5 Bd5 18.Bd5 ed5+=) 16...de4-/+ 17.Be4 a6 (17...Nb4 18.Nd6 Bc6 19.Rfc1-/+) 18.Nd6 Rab8 19.Rfc1 Rfd8 20.Nb7 Rb7 21.Bc6 Rb6 (21...Rb3!? 22.Ra6 Bc6 23.Rac6 Rd2-/+) 22.Bd7 Rd7 23.Rc2 Rd3 24.Rb2 e5 25.Ra5 f6 26.Kf1 h5 27.Ke2 e4 28.h4 Kh6 29.b4 Rd8 30.Rc2 Rd4 31.b5? ab5-/+ 32.Ra7 Rd8 33.Rcc7 Rh8 34.Rab7 Rb7 35.Rb7 Rd8 36.Rb5 Rd3 37.Rb4 f5 38.Rc4 Rd6 39.Rc5 Kg7 40.Rc3 Re6 41.d3 ed3 42.Kd3 ½–½. Oberhofer,Max (2105) – Daurer,Walter (2130), Regionalliga SW, 1995. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.g3 d5)

9.Bg2 Qd6 10.a3 Qf6 (10...Bg4 11.Nc3=) 11.Nc3 (11.d4 Be6 12.Qd3 Nd7+=) 11...Nc3 (11...Be6 12.Qb2=) 12.dc3 Be6 13.Qb2 Bd5 14.0-0 Bf3 15.Bf3 Nd7 16.Rad1 Nb6 17.Rd4 (17.Qb3 Rfd8=) 17...Rfd8 18.Rfd1 Rd4 (18...e5 19.Rd8 Rd8 20.Rd8 Qd8 21.e3=) 19.Rd4 (19.cd4 Rd8 20.Kg2 Nc4+=) 19...Rc8 20.Bg4 Rc7 21.Qd2 (21.Rf4 Qe5=) 21...h5 (21...e5 22.Re4=) 22.Bf3 e5 23.Rd8 (23.Rd3 Nc4 24.Qa2 b5=) 23...Qe7 (23...Nc4 24.Qd3 Na3=+) 24.Qd6 (better 24.Qd3!?=) 24...Qd6-/+ 25.Rd6 Rd7 (25...Nc4!? 26.Rd1 Na3-/+) 26.Rd3 Rd3 27.ed3 Na4 28.c4 Nb2 29.Be2 b6 (29...Kf6 30.Kg2=+) 30.Kf1 c5 31.Ke1 Na4 32.Kd2 cb4 33.ab4 a5 34.ba5 (better 34.Bd1 Nb2 35.c5 bc5 36.ba5+-) 34...ba5= 35.Bd1 (35.f4 f6=) 35...Nc5=+ 36.Kc3 Kf6 37.Bf3 Ke7 38.d4 ed4 39.Kd4 Kd6 (39...a4 40.Kc3=+ (40.Kc5?? a3-+)) 40.Bd5= f6 (better 40...Ne6!? 41.Be6 fe6=) 41.Bf7+/- Ne6 42.Kc3 h4? (better 42...Nf8=) 43.Bg6+- hg3 44.fg3 Kc5? (better 44...Ke5!?+-) 45.h4 Nf8 (45...Kd6 46.h5+-) 46.Bf5 Kd6 47.h5 Ke5 48.g4 Kf4 49.c5 Ke5 50.Kc4 a4 51.h6 (better 51.Kb4!? Kd5+-) 51...a3 52.Kb3 (52.Bb1 Ng6+-) 52...Kd5 53.h7 Nh7 54.Bh7 Kc5 55.Ka3 Kd4 56.Bf5 1-0. Marin Masis,Jose Esteban (1935) - Kahlert,T (2155), Titled Tuesday, 2021. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.Bg2 f6 10.d3 Be6 11.Qb2 Qd6 12.a3 Nd7 13.Nbd2 Bf5? (better is 13...Bg4=) 14.e4+– Qe6? (14...Bg4 15.Nc4 Nb4 16.Qb4 Qd3 17.Nb2+/– (17.Qe7 Rf7 18.Qb4 Bf3 19.Bf3 Qf3-/+)) 15.0-0 Bh3 (15...Qg8+–) 16.ed5 cd5 17.Rfe1 Qf5 (17...Qg4 18.Re7 Kg8 19.Bh3 Qh3 20.Qd4+–) 18.Re7 Rf7 19.Nd4 (better is 19.Bh3!? Qh3 20.Ng5 Qh2 21.Kh2 Re7+–) 19...Qg4 (19...Qh5 20.Bf3 Qg5+–) 20.Rf7 Kf7 21.Bd5 Kg7 22.Ne6 Kh8 23.Ne4 Ne5 (23...Qf5 24.Nc7 Rf8+–) 24.Nf6 Nd3 25.Qc3 (25.Qc3 Qg3 26.hg3 Ne5 27.Qc7 Nf3 28.Bf3 Be6 29.Qh7#) 1–0. piiotr99 (1885) – jacekmpl (1790), kurnik, 2012.

8.Qb3 Nc6

9.a3 e5 10.Qb2 Nb6 (10...Qf6 11.b5 Nd4 12.Bg2 Nf3 13.Bf3=) 11.Ne5 Qf6 12.Nd3 (12.f4 Na4 13.Qc2 Ne5 14.fe5 Qe5=) 12...Nd4+= 13.e3 Re8 14.Be2 Bf5 (14...Bf5 15.Kf1 Rad8–+) 0–1. cosminpit – drzemik, gameknot.com, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Nc6)

9.a3 e5 10.Nc3 Be6+=.

9.a3 e5 10.d3 Be6 (10...Qf6!? 11.Qb2 Rd8+=) 11.Qb2+= f6 (11...Bg4 12.Nbd2+=) 12.Nbd2 Qd7 (12...g5 13.Nb3+=) 13.Bg2= Rad8 (13...b5 14.0-0=) 14.0-0 Nce7 (14...a6 15.Ne4=) 15.Nb3 (better is 15.Ne4 Bg4 16.Rfc1=) 15...b6? (15...Qc8 16.Rac1+=) 16.Rad1 (16.e4 Ne3 17.fe3 Qd3+–) 16...c6 (better is 16...Qa4!?=) 17.e4+/– Nc7 18.d4 Bb3 (18...Nb5 19.Rd2 Bb3 20.de5+/–) 19.Qb3 ed4 20.Nd4 Qe8 21.Rfe1 (21.Qc3 Qf7+/–) 21...Qf7 (21...c5 22.Nf3+/–) 22.Qc3 (22.Qa4 c5 23.Qa7+–) 22...Nb5? (better is 22...Ne6!?+/–) 23.Nb5+– cb5 24.e5 (better is 24.Qc7 Rd1 25.Rd1+–) 24...Rc8?? (better is 24...Rd1 25.Rd1 Rc8+/–) 25.ef6+– Qf6 (25...Kg8 26.Qa1 Qf6 27.Qf6 Rf6 28.Re7 g5 29.Ra7 g4 30.Bd5 Kh8+–) 26.Re7 (26.Re7 Kh8 27.Qf6 Rf6 28.Bb7+–) 1–0. Fier,L Dos Santos (1905) – Silva,J Rossi Da (1845), Curitiba Brazil, PanAm Amateur Champion, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Nc6)

9.Qb2 Kg8 10.a3 Bg4 11.Bg2 Qd6 12.Nc3 Nc3 13.dc3 Rad8 14.0-0 Rd7 15.Qb3 Rfd8 16.Ng5 Be6 17.Ne6 Qe6 18.Qe6 fe6 19.Bc6 bc6 20.Kg2 Kf7 21.Kf3 Kf6 22.Ra2 Kf5 23.h3 Rd5 24.e4 1–0. Limayo,Ed – Kaczorowski,Piotr, corr ICCF EM/M, 1997.

9.b5 Na5 10.Qb2 Kg8 11.Na3 c6 12.Bg2 cb5 13.Qb5 b6 14.0-0 Bb7 15.Qb2 Rc8 16.d3 a6 17.Rac1 Qd6 18.Ne5 Qb4 (18...b5 19.Ng4 f6 20.d4=) 19.Qb4 Nb4 20.Rb1 Na2 21.Rb6 ½–½. Akinwamide,Tosin – Ogunsiku,Babatunde, Lagos NIG, 1st State Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7)

9.Nc3 Nb6 10.b5+=.

9.Bg2 Ncb4 10.e4+/-.

9.Bg2 Ndb4=+ 10.h4 (10.0-0 Qd6=+) 10...Bf5 11.d3 Nd4 12.Nd4 (12.Qb2 e5 13.0-0 c5-/+) 12...Qd4 13.Nc3 (13.0-0 c5 (worse 13...Qa1 14.Nc3 Qf1 15.Kf1+/-) 14.Nd2 Be6-/+) 13...Be6-+ 14.Qb2 Na2! 15.Nd1 (15.Ra2 Ba2 Combination; 15.Na2 Qb2 Pinning (15...Qb2 Deflection)) 15...Qb2 16.Nb2 c6 17.Kd2 Nb4 18.Na4 Bd5 19.Rhb1 (19.e4 Ba2-+) 19...Bg2 20.Rb4 b5 21.Nc5 a5 22.Rd4 Bh3 23.g4 (23.h5 Bf5-+) 23...a4 24.Rh1 (24.Rb4 e5-+) 24...Bg2 (24...e5 25.Rb4 Bg2 26.Ra1-+) 25.Rg1 Bd5 26.e4 (26.f4 a3-+) 26...e5 27.Rb4 Be6 28.f3 a3 29.Ra1 h6 30.Ke3 Rfb8 31.d4 (31.g5 hg5 32.hg5 Kf8-+) 31...Bc4 (better 31...ed4 32.Kd4 Rd8 33.Ke3 Bc4-+) 32.Nd7? (32.de5 Re8 33.Nb7 Re5 34.Nd6-+) 32...ed4 33.Kd2 Rb7 34.Ne5 (34.Nc5 Re7-+) 34...c5 35.Rbb1 a2 (35...Be6 36.f4-+) 36.Rb2 (36.Rc1 Kf6 37.f4 g5 38.hg5 hg5 39.Nc4 bc4 40.fg5 Kg5 41.Rc4 Rb2 42.Rc2 Rc2 43.Kc2 c4-+) 36...Be6 37.f4 c4 38.Rb4 f6 39.Nf3 (39.Nc6 Ra3 40.Kc2 d3 41.Kb2 Ra6-+) 39...Bg4 40.Nd4 Rd7 41.Kc3 Ra3 42.Kb2 Re3 43.Nc2 (43.Rb5 Rd4 44.Rb7 Kf8 45.Rb8 Ke7 46.Rb7 Bd7 47.Ka2 Re2 48.Rb2 Ree4 49.Rf1-+) 43…c3 (43...c3 44.Ka2 Be6 45.Rc4 Bc4 46.Ka3 Re4-+) 0-1. croarh51 (2110) - opangmada (2015), Rated Blitz game, lichess.org, 2015. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 Qd6

9.a3 f6 10.Bg2 Be6 11.Qb2 Nd7 12.0-0 c5 13.bc5 Nc5 14.d4 Na4 15.Qd2 (15.Qb7?? Rfb8 16.Qa8 Ra8–+) 15...Rac8 16.e4 Ndb6 17.Re1 Qd7 18.d5 Bf7 19.Qe3 Rc7 20.Nbd2 Rfc8 21.h4 Rc3 22.Qe2 Nb2 23.Nd4 Nd3 24.Red1 Ne5 25.N2f3 Nf3 26.Bf3 R8c4 27.a4 Ra4 28.Ra4 Qa4 29.e5 Qc4 (worse is 29...Bd5 30.Bd5 Nd5 31.Ne6 Kg8 32.ef6+–) 30.ef6 Kf6 31.Qd2 Bd5 32.Qf4 Kg7 33.Qe5 Kf7 34.Nf5 gf5 35.Qf5 Kg7 36.Qg5 Kf8 37.Bd5 Nd5 38.Rd5 Qc8 39.Qh6 Ke8?? 40.Qh5 Kf8 41.Rf5 Kg8 42.Qf7 Kh8 43.Rg5 (43.Rg5 Rc1 44.Kh2 Qh3 45.Kh3 Rh1 46.Kg2 Rh2 47.Kh2 e5 48.Rg8) 1–0. Puls,Thomas (2190) – Ulms,Sandra (2185), Oberliga Ost–A, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.a3 Nf6 10.Bg2 Bg4 11.d3 Bf3 12.Bf3 Nc6 (12...c6 13.Nd2=) 13.Bc6 (13.Qc3 a5 14.b5 Nd4 15.Bb7 Rab8+=) 13...Qc6= 14.0-0 Rfd8 15.Nc3 Qd6 16.Na4 Qe5 17.Qb2 Qb2 18.Nb2 a5 19.ba5 Ra5 20.Nc4 Ra4 21.Rab1 Ra7 ½–½. Tsiapouris,Michael (1650) – Bascetta,Biagio (1875), IECC, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.a3 Kg8 ½–½. Ishkhamov,Tigran (2385) – Matikozian,Andranik (2560), Western States op, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 f6 10.a3 a5 (10...e5 11.Bg2=) 11.ba5 (11.b5=) 11...Nc6 (11...e5 12.e4 Ne7 13.d4=) 12.Bg2 (12.e4!? Qe6 13.Ng5+–) 12...Na5 (12...e5 13.d3=) 13.d3 (13.0-0 e5=) 13...Ra6 (13...e5 14.Nbd2=) 14.Nfd2 (14.Nbd2 e5=) 14...e5 15.0-0 (15.Nc3 Be6=) 15...Be6 16.Rc1 (16.Nc4 Nc4 17.dc4 Nb6=) 16...Rb6 17.Qc2 Rc6 18.Qd1 Rc1 19.Qc1 Qc6 20.Qb2 Ra8 21.Ne4 Ra6 22.Nbd2 Rb6 23.Qc1 Qc1 24.Rc1 Rb2 25.Nc5 Bf7 26.Nc4 Re2?? (better 26...Nc4 27.dc4 Nb6=) 27.Na5+– b6 28.Nab3?? (better 28.Na4 ba5 29.Bd5 Bd5 30.Nc3+–) 28...bc5= 29.Nc5 (29.a4 Nf4 30.gf4 Bb3=) 29...Ra2 30.a4 Nb6 (30...Kf8 31.h3=) 31.Bc6 g5 32.Kf1 (32.h3 h5=) 32...Kg6 (32...g4 33.Kg2=+) 33.g4 (33.h3 h5=) 33...h5 34.h3 hg4 (34...h4 35.Ne4=+) 35.hg4 f5 (35...Bd5 36.Be8 Bf7 37.Bb5=) 36.gf5 (36.Nd7 Nd7 37.Bd7 fg4 38.Rc6 Kg7 39.Rc7 Kf6=) 36...Kf5 37.Be4 (37.Re1 g4=) 37...Kf4 38.a5 (38.Kg2!?=) 38...Ra5-/+ 39.Nb7 Ra7 40.Rc7 Bd5 41.Bd5 (41.Kg2!=+) 41...Nd5-/+ 42.Rf7 Kg4 43.Nd6 Ra4 (43...Ra1 44.Ke2 Nf4 45.Ke3 Re1 46.Kd2 Re2 47.Kd1=+) 44.Ke2 (44.f3!? Kh4 45.Nc4=) 44...Nf4 (44...Ra2 45.Kd1 Nf4 46.Ne4-/+) 45.Kd2 (45.Ke3!? Ra2 46.f3 Kh5 47.Ke4-/+) 45...Ra2-/+ 46.Kc3 (46.Kd1 Rf2 47.Nc4 Nd3 48.Ne5 Kg3 49.Rf2 Nf2 50.Ke2 Ne4=) 46...Rf2–+ 47.Rg7 (47.Nc4 Nd5 48.Kb3 Rf7 49.Ne5 Kf4 50.Nf7 g4–+) 47...Rf3 48.Nf7 Ng6 (48...Rd3!? 49.Kc2 e4 50.Rg5 Kh4 51.Re5-/+) 49.Kc4 (49.Nd6 Rf6 50.Ne4=+) 49...e4 (49...Rf6!? 50.Kd5 Kf4 51.Ng5 Kg5-/+) 50.de4=+ Rf7 51.Rg6 Kf4 52.Kd5 (52.Rg8 Re7 53.Kd3 Rd7 (53...Re4?? 54.Rf8 Ke5 55.Re8 Kf4 56.Re4 Kf5 57.Rb4+–) 54.Kc4 g4=) 52...g4 (52...Rd7 53.Kc4=+) 53.e5= Rf5 (53...Kf5 54.Rg8=) 54.Kd6 (54.Rf6 g3 55.Ke6 Rf6 56.ef6 g2=) 54...Re5 55.Rg4 Kg4 56.Ke5 ½–½. Thesing,Michael (1975) – Muschik,Benedikt (2200), Verbandsliga Muensterland, 2005. (=1.b4 g6 2.Bb2 Nf6 3.c4 Bg7 4.Nf3 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 f6 10.a3 e5 11.Bg2 a5 12.b5 c5 (12...Nd7 13.Nc3 Nc5 14.Nd5 Qd5 15.Rc1=) 13.bc6 (13.0-0!?=) 13...Nc6=+ 14.0-0 b5 (14...Ra6 15.e4 Rb6 16.Qc2=+) 15.d3 (worse 15.Qb5 e4 16.Rc1 Ra6-/+) 15...Rb8 16.Nbd2 Be6 17.Rfc1 Rfc8 18.Ne4 Qe7 19.Nc5 Bf7 20.Bh3 Rd8 21.e4 Nc7 22.Rc2 b4 23.Rac1? (better 23.Qc1!?=) 23...ba3 24.Qa3 Nb5 25.Qa1 Nbd4 26.Nd4 Nd4 (26...Rd4? 27.Na6 Rd3 28.Rc6+-) 27.Rb2 Rb2 28.Qb2 Qa7 29.Kg2 Rb8 30.Qa3 Qb6 (30...f5!?=+) 31.Nd7= Qb4 32.Qb4 Rb4 33.Rc7 a4 34.Nc5 a3?? (better 34...f5 35.Ra7 Rb1=) 35.Ra7 (35.Ne6 Kh6 36.Rf7 a2+-) 35...Rb5?? (better 35...a2 36.Be6 a1Q (worse 36...Ne6 37.Ne6 Kg8 38.Ra8 Be8 39.Ra2+=) 37.Ra1 Be6 38.Ne6 Ne6 39.Ra7 Kh6-+) 36.Ne6+- Kg8 (36...Kh6 37.Rf7 Ne6 38.Be6+-) 37.Ra8 (37.Ra8 Be8 38.Re8 Kf7 39.Ra8+-) 1-0. Nenezic,M (2515) - Ivic,Velimir (2495), European Blitz, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.Qb2 Qf6 10.d4 a5 11.b5 c5 12.Nbd2 cd4 13.Ne4 Qb6 14.Nd4 Kg8 15.Bg2 a4 16.Rd1 Qa5 17.Qd2 Nd7 18.0-0 Qd2 19.Rd2 (19.Nd2?! Nc3 20.Rc1 Na2=) 19...Ra5 20.Rfd1 Nc7 21.Nc3 Nb6 22.e4 Nc4 23.Rc2 Na3 The pressure on b5 grows 24.Rb2 Rd8 25.Nd5 Nd5 26.ed5 Nc4 27.Rc2 Nd6 28.Rdc1 Bd7 29.Nc6 (better 29.b6+=) 29...bc6-/+ 30.dc6 Bf5 (30...Rb5 31.cd7 Rd7 32.Bc6+–) 31.c7 Rc8 32.b6 Bc2 33.b7?? (33.Rc2 Rb5 34.Bc6 Rb6 35.Bd7–+) 33...Nb7! 34.Bb7 Rc7 0–1. Krimphoff,Ingo (1920) – Moissidis,Michael (2150), Goch op, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Qf6 10.d4 a5 11.b5 c6 12.bc6 Nc6 13.Bg2 Qd6 14.a3 f5 15.Nbd2 Nf6 16.Nc4 Qd8 17.d5! Nb8 (17...Qd5 18.Nb6 Double attack (18.Nb6 Decoy)) 18.0-0 b5 19.Ne3 Qb6 20.Nd4 Bd7 21.d6! Nc6 (21...Qd6 22.Ba8 Discovered attack (22.Nb5 Deflection); 21...ed6 22.Ba8 Discovered attack) 22.Bc6 Bc6 23.Ne6 (23.Ne6 Kf7 24.Nf8 Kf8 25.Rac1+–) 1–0. Burdalev,Kirill (2315) – Dzhangirov,Dmitry (2285), Kyiv UKR, Nabokov Mem IM, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Qf6 10.d4 Na6 11.b5 Nc5 12.Bg2 Na4 13.Qc2 Nab6 14.e4 Bg4 (better 14...Qe6!? 15.Nbd2 Nf6+/-) 15.Ne5+- c5 (15...Nd7 16.Nd7 Bd7 17.ed5 Bb5 18.Qc7 Rac8+-) 16.ed5 (16.Ng4?! Qd4 17.ed5 Qa1+/-) 16...Bf5 17.Qd2 (17.Qc5 Rfc8 18.Qb4 Qd6+-) 17...cd4 (17...Rac8 18.f4+-) 18.Qd4 Rac8 19.0-0 Rc2 20.Na3 Re2 (20...Rc7 21.Rac1 Rfc8 22.Rc7 Rc7 23.Rd1+-) 21.Rfe1 Re1 22.Re1 Rc8 (22...h6 23.g4 Bc8 24.Re4+-) 23.g4 1-0. Myc,M (2285) - Sobolewski,Pi1 (2005), Jastrzebia Gora POL, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.Qb2 Qf6 10.d4 Qb6 11.a3= a5 (11...Nf6 12.Bg2=) 12.b5 a4 (12...c6 13.e4 Bg4 14.Nbd2=) 13.Nbd2+= c6 14.e4 Nc7 (14...Nf6 15.Rb1+=) 15.Rb1+– Bd7 16.bc6 Qb2 17.Rb2 bc6 18.Bd3 (18.Ne5 Ne6 19.Ndf3 Ra5+–) 18...Nba6 (18...Nb5 19.Bb5 cb5 20.Ne5+=) 19.Ne5 (19.Ke2 f6+–) 19...Rfd8 20.Bc4 (better 20.Ke2!?+–) 20...f6= 21.Nd7 Rd7 22.Nf3 Ne8 (22...Nb5 23.Bb5 Rb7 24.Ba6 (worse 24.Bc6 Rb2 25.Ba8 Rb1 26.Ke2 Rh1-/+) 24...Rb2 25.Bd3=) 23.Rb6 (23.Ke2 Nd6 24.Bd3 c5+–) 23...Nac7 (23...Rb8 24.Rb8 (worse 24.Ra6 Rb1 25.Ke2 Rh1-/+) 24...Nb8 25.Ke2+=) 24.Rc6+– Nd6 25.e5 (better 25.Bd3!?+–) 25...Nc4= 26.Rc4 Nb5 (26...Rb8 27.ef6 ef6 28.Kd2=) 27.e6 (27.Kd2 fe5 28.Ne5 Na3=) 27...Rd6 28.d5? (better 28.Rb4!? Re6 29.Kd2=+) 28...Rd5-/+ 29.Rb4? (better 29.Ke2!?-/+) 29...Na3–+ 30.0-0 (30.Rb7 Kf8–+) 30...Rb5 (better 30...Nb5!? 31.Kg2–+) 31.Rd4 Rb6 32.Ra1? (better 32.Nd2 Nb5 33.Rb4–+) 32...Nc2 (better 32...Rb1 33.Rd1 Ra1 34.Ra1 Nc2–+) 33.Rda4=+ Ra4 34.Ra4 Re6 35.h4 (35.Rc4 Na3 36.Rb4 Rd6-/+) 35...Ne1 (35...Rb6 36.Kf1-/+) 36.Ne1=+ Re1 37.Kg2 h5 38.Ra6 Kf7 39.Rb6 Re6 40.Rb7 g5 (40...Ra6 41.Kf3=+) 41.hg5 fg5 42.Rb8 g4 (42...Re2 43.Rh8=+) 43.Rb5 Kg6 44.Ra5 Rf6 45.Rb5 (45.Re5 Rf7=) 45...e6 (45...Rf5 46.Rb6 Kf7 47.Kf1=+) 46.Re5= Kh6 47.Kg1 Kg6 ½–½. Green,Per (1965) – Nebrin,Johan (1830), Nordic Zonal, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Kg8 10.a3 a5 11.b5 c5 12.Bg2 Nd7 13.d4 cd4 14.Qd4 e5 15.Qb2 e4 16.Nd4 f6 (16...e3 17.0-0=) 17.e3 (17.Be4!? Nc5 18.Bf3+/–) 17...Re8 18.Nd2 b6?? (18...f5 19.Nc4 Qc7 20.Bf1=) 19.0-0?? (better is 19.Ne4!? Re4 20.Be4 Nc5 21.Bd5 Qd5+–) 19...Bb7? (19...Nc5 20.Nc4 Qc7 21.f3+=) 20.Rfc1 Rab8?? 21.Rc2?? Qe5 22.Rac1 Qh5? 23.Nc6 Re6?? 24.Nb3 Ne3? 25.fe3+– (25.fe3 Rbe8 26.Qa2+–) 1–0. Borysiak,Boguslaw (2200) – Kujawski,Ryszard (2200), Poland–chT2 Wysowa, 2007. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Kg8 10.a3 a5 11.b5 c6 12.bc6 Nc6 13.d3 b5 14.Nbd2 b4 15.Ne4 ba3 16.Ra3 Qb4 17.Qb4 Ncb4 18.Kd2 Bf5 19.Bg2 Be4=+ 20.de4 Nf6 21.Ne5 Rfd8 22.Nd3 Ng4-/+ 23.f4 Ne3! 24.Rc3 Ng2–+ 25.Rg1 Rd4 26.Rg2-/+ Re4 27.Rg1 Nd3 28.Kd3 f5 29.e3 a4 30.g4 Kf7 31.gf5-/+ gf5 32.Rg5 Kf6 33.Rc5 e6 34.Rc7 Rd8 35.Ke2 e5 36.Rc6 Ke7 37.fe5 Re5 38.Ra6 Rc8 39.Ra4 Kf6 40.Rg3? Rce8 41.Ra6 ½–½. Balynski,Vladimir – Stets,V (2290), ch–UKR, Alushta UKR, 2002.

9.Qb2 Kg8 10.a3=+ a5 11.b5 Bg4 12.Bg2 Nd7 13.d4 (13.Nc3 N5f6=) 13...Rfe8 (13...c6!?=+) 14.Nbd2+= N5b6 (14...f6 15.0-0+=) 15.0-0 e5 (15...Nf6 16.Rfc1+=) 16.Ne4 (better 16.de5 Qe7 17.Rfc1 Ne5 18.Ne5 Qe5 19.Qe5 Re5 20.Rc7+–) 16...Qe7? (16...Qe6!? 17.Ne5 Ne5 18.de5 Nc4+–) 17.Ne5+– Ne5 (17...Bf5!? 18.Nd7 Bd7+–) 18.de5+– Nc4 19.Qc3 Ne5 20.f4 f5 (20...Be2?? 21.Rfe1 (21.Qe5?! Qe5 22.fe5 Bf1 23.Nf6 Kh8 24.Rf1 Re5+=; worse 21.fe5 Qe5 22.Nf6 Kh8+–) 21...Bf3 22.Bf3 (worse 22.Qe5 Qe5 23.fe5 Be4 24.Be4 Rab8+–) 22...Nf3 23.Qf3+–) 21.Ng5 (21.fe5?! fe4 22.Rf4 Qe6 (22...Be2? 23.Re4 Bh5 24.Rae1+–) 23.Re4 Bf5+–; 21.Qe5?! Qe5 22.fe5 fe4 23.Be4 Rad8+=) 21...Qf6 22.Bd5 Kg7 23.Qc7 (23.Rfc1!? c6 24.Ne6 (24.bc6?! Nc6 25.Qf6 Kf6+–) 24...Re6 25.Be6+–) 23...Re7+– 24.Qc2 (better 24.fe5 Qg5 25.Qb6+=) 24...h6?? (better 24...Nd7 25.Bf3 h6=) 25.Ne6!+– (25.fe5?! Qg5 26.Rf4 Re5 27.Bb7 Rd8+–) 25...Kh7 (25...Re6 26.Qc7 Double attack (26.fe5 Zwischenzug)) 26.fe5 Qe5 27.Qb3 (better 27.Rad1 Be2 28.Rde1 Qd5 29.Re2+– (worse 29.Qe2 Rae8=+)) 27...Be2? (better 27...Rae8+–) 28.Rae1 Rc8 (28...Rd7+–) 29.Rf2 Re6 (29...Rd7 30.Nf4 Rd5 31.Nd5 Bc4 32.Re5 Bb3 33.Re7 Kh8+–) 30.Be6 Rc3 31.Ree2 Rc1 (31...Rb3 32.Re5 Ra3 33.Bd5+–) 32.Kg2 Qa1 33.Bf5! Rg1 (33...gf5 34.Qf7 Mate attack) 34.Kh3 Rg3 (34...h5 35.Re7 Qg7 36.Rg7 Kg7 37.Bg6 Kh6 38.Qf7 Rg3 39.hg3 b6 40.Bh5 Kg5 41.Qg6) 35.Kg3 (35.Kg3 gf5 36.Re7 Qg7 37.Rg7 Kg7 38.Rf5 b6 39.Qf7 Kh8 40.Qe7 Kg8 41.Rf8; 35.Qg3 Qf6 36.Bg6 Kg7 37.Rf6 Kf6 38.Bh5 b6 39.Qe5) 1–0. Sigurjonsson,Si (1995) – Mesman,Edwyn (2195), Reykjavik Open (5), 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Kg8 10.a3 c6 11.Bg2 Nd7 12.0-0 Qf6 13.d4 Re8 14.e4 N5b6 15.e5 Qf5 16.Nc3 Nc4 17.Qe2 Ndb6 18.d5 cd5 19.Nd5 Nd5 20.Qc4 Be6 21.Nd4 Nb6 (21...Qe5 22.Rfe1 Qc7 23.Qc7 Nc7 24.Bb7+/–) 22.Qc7 (22.Nf5 Bc4 23.Ne3 Bf1 24.Kf1 Rab8-/+) 22...Qg4 23.Ne6 Qe6 24.Bb7 Rad8 25.Rfd1 Rd1 26.Rd1 Kg7 27.Rd3 h5 28.h4 Qf5 29.Rf3 Qb1 30.Kg2 Qd1 (better is 30...Qa2+–) 31.Bc6 Qd8 32.Qa7 Rf8 33.a4 Nc4 34.Qc5 Nd2 35.Rf4 Qd3 (35...Qc7+–) 36.Qe7 Qf1 37.Kh2 Qe2 38.Bg2 (38.Bd5 Nf3 39.Rf3 Qf3 40.Bf3 Kg8+–) 38...Qa6 (38...Nc4 39.Qf6 Kg8+–) 39.Qf6 (39.Qf6 Qf6 40.ef6 Kh6 41.a5+–) 1–0. Boehm,J – Kordonowski,Frank, Ruhrgebiet–ch, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.Qb2 Kg8 10.a3=+ Nc6 11.Nc3=+.

9.Nc3 Nb4 10.Nb5 Qc5 11.Nc7 Nc2 12.Kd1 Na1 13.Qb2 Kg8 14.Na8 Qf2 15.Qa1=+.

9.Nc3 Be6 10.Ng5 (10.a3 Nb6 11.Qb2 Nc4=) 10...Nc6 (10...Nb4 11.Qb2 Kg8 12.Rb1=) 11.a3 (11.Ne6 fe6 12.a3 a5=) 11...Rad8 12.Qb2 Nc3 13.Qc3 Kg8 14.Ne6 (14.Ne4 Qd4 15.Nc5 Bd5=) 14...Qe6 15.Bg2 (15.e3 Qe4 16.Rg1 Ne5=) 15...Nd4 16.e3 c6 17.Kf1 (17.d3 Rd7=+) 17...Nb5=+ 18.Qc2 Nd6 (18...Qf6 19.Ra2=+) 19.d4= Rfe8 (19...Rd7 20.h4=) 20.h4 (20.Rc1 Qf6=) 20...h6 (20...Qf6 21.Rd1=) 21.Kg1 (21.h5 g5=) 21...Kg7 (21...Qf6 22.h5 g5 23.Rd1=) 22.Kh2 (22.h5 g5=) 22...Qf6 23.Rhd1 (23.Rad1 e5=) 23...Nf5 (23...e5 24.de5 Qe5 25.Rac1=) 24.Rac1 e6 (24...e5 25.de5 Qe5 26.Rd8 Rd8 27.h5=) 25.a4 (25.Qc5 a6=) 25...Qe7 (25...e5 26.de5 Qe5 27.h5=) 26.Qb2 (26.Qc5 Qc5 27.dc5 Kf6+=) 26...Kh7 (26...Qf6 27.b5+=) 27.Rd2 (27.b5 cb5 28.ab5 Rd7+=) 27...Qd6= 28.Kg1 (28.Be4 Nh4 29.b5 cb5 30.Qb5 Rd7=) 28...Qe7 (28...e5!?=) 29.Rc5 Rd7 (29...Qd6 30.Rdc2+=) 30.Rdc2 Red8 (30...Kg8 31.b5 cb5 32.ab5+=) 31.b5+– cb5 32.ab5 Nd6 (32...b6 33.R5c4+=) 33.Qb4 (33.Qa2 b6 34.Re5 Rc7+=) 33...Nf5 (33...b6 34.Rc6+=) 34.Qa4 (34.Qc3 Kg7+=) 34...b6 35.R5c3 (35.Rc8 Rc8 36.Rc8 Kg7+=) 35...Nd6 (35...e5 36.de5 Qe5 37.Rc1+=) 36.Bc6 (36.f4 Nf5 37.Kh2 g5 38.hg5 hg5+=) 36...Rc7 37.h5 Kg7 38.hg6 fg6 39.Kg2 (39.Rc1 Rdc8+=) 39...Kh7 (39...Rdc8 40.f4+=) 40.Rc1 (40.f4 Rdc8+=) 40...Kg7 (40...Rdc8 41.f4+=) 41.f4 Rdc8 42.Kf3 Qf6 (42...g5 43.Qb4+=) 43.e4+– Qe7 44.R3c2 Qf7 (44...g5 45.Rh1+–) 45.Qb4 (45.d5 e5+=) 45...Qf8 46.Qb2 Kh7 47.Rh1 (47.Ke2 Kg8+–) 47...Qe7 (47...a6 48.Rh6 Qh6 49.Rh2+–) 48.Rch2 (48.g4 a5+=) 48...Nf7 49.d5 1–0. Heinicke,Herbert (2360) – Kappe,Reinhard, Bundesliga, 1981. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

9.a3 a5

10.b5 a4 11.Qb2 Qf6 12.d4 Bd7 13.Ne5 c5 14.Bg2 e6 15.Nd2 cd4 16.Qd4 Kg8 (16...Bb5? 17.Ne4 (17.Bd5 ed5 18.Rb1 Re8 19.Rb5 Re5=+) 17...Qd8 18.Nc6 e5 19.Qe5 (19.Nd8?! ed4 20.Nb7 Bc6=+) 19...f6 20.Nd8 fe5 21.Ne6 Kg8 22.N4g5+-) 17.Ne4 Qg7 (better 17...Qe7!?+=) 18.Nd6+/- Bc8 19.Rd1 Nd7 20.Nd7 Qd4 21.Rd4 Bd7 22.Bd5 ed5 23.Rd5 Be6 24.Rd3 Rfd8 25.Kd2 (25.Nb7 Rd3 26.ed3 Bd5=+) 25...Rd7 26.Rc1 Rad8? (better 26...Kf8+-) 27.Nb7! Rd3 (27...Rb7 28.Rd8 Discovered attack (28.Rd8 Pinning; 28.Rd8 Deflection; 28.Rd8 Clearance; 28.Rd8 Overloading)) 28.ed3 Rb8 29.Nd6 Kf8 30.Rc7 Rb6 31.Rc6 Rc6 32.bc6 Ke7 33.Nb5 Bd5 34.c7 Kd7 35.Kc3 Bb3 36.Kb4 Bc2 (36...g5 37.Ka5 Be6 38.Kb6+-) 37.d4 Bd1 38.d5 Bb3 39.d6 (39.d6 Be6 40.Ka4+-) 1-0. Iminov,Bachtiar (1855) - Nebrin,Johan (1860), Stockholm Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

10.b5 a4 11.Qb2 Qf6 (11...Nf6 12.Bg2=) 12.d4= Bf5 (12...Nd7 13.Nbd2 c6 14.e4+=) 13.Nbd2 c6 (13...Nd7!?=) 14.Bg2 (14.Ne5 Bc8 15.Ne4+/–) 14...Bd7 (better is 14...Nd7!?+=) 15.Ne4+– Qf5 16.Nc5 cb5?? (better is 16...Nf6 17.h3 Ra5+–) 17.e4+– (17.e4 Qh5 18.ed5+–) 1–0. pcmvr – pops, net–chess.com, 2017.

10.b5 Nd7 11.Nc3 c6 12.bc6 bc6 13.Bg2 Rb8 14.Qc2 Ba6 15.Ne4+= Qc7 16.d3 Rfc8 17.0-0 c5 18.Nc3 Nc3 19.Qc3 Kg8 20.Nd2 Qe5 21.Qa5+/– Qe2? 22.Rfe1+– Qd3 23.Bf1 Qd4 24.Ba6 Ra8 25.Qb5 Rcb8 26.Qd3 Rb2 27.Rad1 Qd3 28.Bd3 Ra3? 29.Nc4 (29.Nc4 Raa2 30.Nb2 Rb2 31.Re7+–) 1–0. Belezky,S (2395) – Larios Crespo,M (2110), XXXXII Open, La Roda ESP, 2005.

10.b5 Nd7 11.Nc3 N5f6 12.Bg2 Nc5 13.Qb2 e5 14.0-0 Re8 15.d3 Bg4 16.Rfd1 Rad8 17.d4 ed4 18.Rd4 Qe6 19.Rad1 Rd4 20.Nd4 Qe7 21.Nd5 Qe5 22.Rc1 Na4 23.Qa1 Nd5 24.Bd5 Kg8 25.Bb7 Be2 26.b6 cb6 27.Bc6 Rc8 28.Re1 Rc6 29.Nc6 Qa1 30.Ra1 Bf3 31.Ne5 Bd5 32.Rd1 Be6 33.f4 Nc3 34.Rd8 Kg7 35.Rb8 b5 36.Nc6 a4 37.Nd4 Bc4 38.Kf2 h5 39.Kf3 Kf6 40.Ke3 b4 41.ab4 Nd5 42.Kd2 a3 43.Kc1 a2 44.Kb2 Nc3 45.b5 (45.Kc3 a1Q 46.Kc4 Qa2 47.Kd3 Qh2-/+) 1–0. Munoz,Lazaro (1915) – Schloegl,Dietrich (1745), SB–2008–0-00009, 2008.

10.b5 Nd7 11.Nc3 N5f6 12.Bg2 Nc5 13.Qb2 e5 14.0-0 h6 15.d3 Be6 (15...Bg4 16.Nd2 Be6 17.Rac1+=) 16.Nd2 (16.Rad1 Rfd8+=) 16...Rad8 17.Rfc1 Rd7 (17...Qd4 18.Rab1=) 18.Nce4 (18.Qc2 Rfd8+=) 18...Nfe4 19.Ne4 Ne4 20.Be4 (worse 20.de4 f6=+) 20...Bd5 21.Bd5 Qd5 22.Rc4 Re8 23.Rac1 Ree7 24.a4 f6 25.R1c3 Qd6 26.Qc1 Pawn c7, live or die! 26...Qb6 27.Kg2 Qd6 (27...f5 28.Rh4 g5 29.Rhc4+=) 28.Rc5 b6 (28...h5 29.R3c4+=) 29.R5c4 Qd5 30.Kg1 Qb7 (30...Qf7 31.Rh4 g5 32.Rhc4+=) 31.Rc6 Qb8 32.R3c4 Qd8 33.Kg2 Rf7 34.h3 Rde7 35.f3 Rd7 36.h4 Qe7 37.h5 g5 38.Qe3 (38.g4 Qd8+–) 38...Kf8 (38...Rd4!?+=) 39.g4+– Rd6 (39...Kg8 40.Qe4 Qf8 41.Qg6 Qg7 42.Kf2+–) 40.Qe4 (better 40.Rd6 Qd6 41.Qe4+–) 40...f5? (better 40...Rc6 41.Rc6 Qb4+–) 41.gf5+– Rdf6 (41...Qe8+–) 42.Rc7 Qc7 43.Rc7 Rc7 44.Qe5 Rff7 (44...Rcf7+–) 45.Qd6 Ke8 46.e4 (46.e4 Rb7 47.e5+–) 1–0. Neverov,V (2480) – Huber,Mart AUT (2370), 19th ch–EUR Indiv, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6 9.a3 a5)

10.b5 e5 11.Nc3 Nf6 12.Bg2 Nbd7 13.d3 Nc5 14.Qb2 Be6 15.0-0 Rad8 16.Rad1 Kg8 17.d4 ed4 18.Rd4 Qe7 19.Rfd1 Rd4 20.Rd4 Rd8 21.Qd2 Rd4 22.Nd4 Qd6 23.e3 Bc4 24.Qd1 h5 25.Qc2 Kg7 26.Na4 Na4 27.Qa4 Bd5 28.Qa5 Bg2 29.Kg2 Qd5 30.f3 c5 31.Ne2 Qd3 32.Kf2 b6 33.Qb6 Qf5 34.e4 Ne4 35.Ke3 Ng5 36.Qc6 Qe5 37.Kd3 Qf5 38.Ke3 Qe5 39.Kd2 Qb2 40.Kd3 Qa3 41.Nc3 Ne6 42.f4 ½–½. Salminen,Jussi – Blumbergs,Ingus (2055), Finland–Latvia, server, 2008.

10.Nc3 Nf6 11.b5 Be6 12.Qb2 Kg8 13.Bg2 h6 14.d3 Nbd7 15.Na4 Nb6 16.Nb6 Qb6 17.Rb1 Rfd8 18.0-0 a4 19.Nd2 Rd7 20.h3 Rad8 21.Rfc1 Bd5 22.Bd5 Nd5 23.Rc4 Qe6 24.Re4 Qh3 25.Rh4 Qe6 26.Ne4 b6 27.Rh6 Nf6 28.Kg2 Kg7 29.Rbh1 Rg8 30.R6h4 Qd5 31.f3 Qd4 32.Nc3 Qe5 33.Na4 Rd5 34.Qd2 g5 35.Rb4 Rb5 36.d4 Qf5 37.Nc3 Rb4 38.ab4 Ra8 39.g4 Qg6 0–1. Werchan,Hans (2165) – Mueller,Waldemar (2145), GER–chT Seniors, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.e4 Nb6 11.ba5 N6d7 12.Nc3 Ne5 (12...Nc5 13.Qc4=) 13.Nb5 Qf6 14.Ne5 Qe5 15.Qc3 Qc3 16.Nc3 Nc6 17.a6 Nd4 18.ab7 Bb7 19.Ra2 Ra3 20.Ra3 Nc2 21.Kd1 Na3 22.Bd3 f5 23.Re1 Rd8 24.Ke2 (24.Re3 e5=) 24...fe4 (better 24...Rd3 25.Kd3 Ba6 26.Nb5 Kf6-/+ (26...Nb5?! 27.ef5 Nd6 28.Kc3=)) 25.Be4 Be4 26.Ne4 Nc4 (26...Nc2 27.Rc1 Nd4 28.Ke3 Nf5 29.Kf4=) 27.d3 (27.Rc1!? Nb6 28.Rc7+–) 27...Nd6+= 28.Rc1 Ne4 29.de4 Rc8 30.Rc6 Kf7 31.f4 Ke8 32.f5 Kd7 33.Ra6 (33.Rc3 Kd6+=) 33...gf5= 34.ef5 Rf8 35.Rh6 Rf5 36.Rh7 c5 37.h4 c4 38.Kd2 Rf2 39.Kc1 (39.Kc3!?+=) 39...Ke6 40.g4 Kf6 (better 40...Rg2!? 41.g5 c3=) 41.g5+– Kg6 42.Re7 Rh2 43.Re6 Kg7 44.Rh6 c3 45.Rc6 Rh4 46.Rc3 ½–½. Schrodt,S (1955) – Rossen,C (2165), Xtracon Chess Open, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6 9.a3 a5)

10.e4 Bg4 11.Be2 (11.ed5? Bf3 12.Qf3 Qe5 13.Qe3 Qa1 14.Qc3 Qc3 15.dc3 Re8–+; 11.Qd5? Qd5 12.ed5 Bf3–+) 11...Bf3 12.Qf3=.

9.a3 e5

10.Qb2 f6 11.d3 b5 12.Nbd2 a5 13.ba5 Ra5 14.Bg2 c5 15.0-0 Be6 16.Ne4 Qb6 17.Ne5 fe5 18.Qe5 Nf6 19.Nc5 Re8 20.Ne6 Re6 21.Qb2 Nc6 22.e3 Ne5 23.Rfd1 Ra7 (23...Qa6 24.Rab1=) 24.Rab1= Nfg4 (24...Qd6 25.Qb5 Ra3 26.d4+=) 25.Rd2 (25.h3 Nf6+=) 25...Rf7 (25...Ra5!?=) 26.Bd5 Ref6 27.h3 (27.Bf7? Nf3 28.Kg2 Nd2 29.Qd2 Rf2 (29...Rf7?! 30.Qc3 Kh6 31.Rb2=; 29...Kf7?! 30.Rf1+=) 30.Qf2 Nf2 31.Kf2 Kf7–+) 27...Ne3 28.Qe5 (28.fe3 Qe3 29.Kg2 Nd3 30.Rd3 Qd3 31.Bf7 Kf7 32.Qb3 Qb3 33.Rb3 Rf5=) 28...Nd5= 29.Qd5 Rf2 30.Qe5 Kg8 31.Rf2 Qf2 32.Kh1 Qf3 33.Kh2 Qf2 34.Kh1 Qf3 35.Kh2 Qf2 ½–½. Cruz,Cristhian (2545) – Forcen Esteban,Daniel (2510), Zaragoza ESP, 7th Casablanka Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.Qb2 f6 11.d3 c6 12.Nbd2 Nd7 13.Rc1 Re8 14.Bg2 b6 15.0-0 Bb7 16.Rc2 Rac8 17.Rfc1 Qe6 18.Nb3 Ne7 19.Nfd2 Ba8 20.e4 Rcd8 21.Nc4 c5 22.bc5 bc5 23.Nca5 Rb8 24.Rc4 Qd6 25.Qc2 Rbd8 26.Bf1 Nb6 27.Rc5 Na4 28.Rc4 Nb6 29.Rc7 Qa3 30.Bh3 Qd6 31.Qc5 Na4? 32.Qa7+– Kf8 33.Bd7 Qd3 34.Ba4 Be4 35.Qe3 Qe3?? 36.fe3+– Nd5 37.Rh7 Kg8 38.Rh4 Bf3 39.Be8 Re8 40.Kf2 e4 41.Nd4 Ra8 42.Rc5 (42.Rc5 Nb4 43.Rb5 Nd3 44.Kf1+–) 1–0. Darmanovic,Srdjan (2270) – Pejovic,Branko (2195), MNT–chT1 Podgorica, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.Nc3 Nc3 11.Qc3 f6 12.Bg2 Nc6 13.Rc1 Rf7 14.d3 Rb8 15.Nd2 Be6 16.Ne4 Qd4 17.Nc5 Qc3 18.Rc3 Nd8 19.Ne6 Ne6 20.Bd5 Re7 21.Be6 Re6 22.Rc7 Kg8 23.0-0 Rc6 24.Rc6 bc6 25.Rc1 Rb6 26.f4 Kf7 27.Rc5 Ke6 28.Kf2 ef4 29.gf4 Kd6 30.Ra5 Rb7 31.e4 Rf7 32.Ke3 f5 33.e5 Ke6 34.h4 h6 35.Rc5 Kd7 36.e6! Ke6 37.Rc6 Kd5 38.Rg6 h5 39.Rg5 Re7 40.Kd2 1–0. Werchan,Hans (1995) – Mueller,Horst3 (1825), Sachsen/Anhalt–ch Seniors, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.Nc3 Nf6 11.Bg2 Nc6 12.0-0 Bg4 13.Qb2 Rad8 14.d3 Rfe8 15.h3 Bf5 16.Rac1 Nd4 17.Nd4 ed4 18.Na4 b6 19.Rfe1 Re7 20.Qc2 Rde8 21.Nb2 b5 22.Bf1 Qe6 23.Kh2 h5 24.e4 de3 25.Re3 Qd6 26.Re7 Re7 27.Kg1 h4 28.g4 Bg4 29.Qc5?? Bf3 30.Qd6 cd6 31.d4 a6 32.a4 Nd5 33.ab5 ab5 34.Bb5 Nb4 35.Bf1? Nc6–+ 36.Nc4 d5 37.Nd2 Nd4 38.Nf3 Nf3 39.Kg2 Ne1 40.Kh1 d4 41.Rd1 Nf3 42.Bc4? Re4 43.Bd5 Re1 44.Re1 Ne1 45.Kg1 Nd3 0–1. Eid,Fa (2380) – Salem,AR (2485), Dubai UAE, Arab Elite Ch, 2011.

10.Bg2 e4 11.Qb2 Qf6 12.Qf6 Kf6 13.Nd4 Ke5= 14.Nb3 f5 15.f3 Nc6 16.0-0 Be6 17.Nc5 Nd4 18.Ne6 Ne6 19.fe4 fe4 20.Nc3 Nc3 21.dc3 Rf1 22.Rf1= a5 23.Rd1 ab4-/+ 24.ab4 Ra3 25.Rd7 Rc3 26.Re7 Rc6 27.Rh7 Kd4?? 28.Re7 Ke3=+ 29.Bh3? Nd4–+ 30.Bg4 Rc1 31.Kg2 Rc4 32.Kf1 Rb4 33.Rc7 Rb1 34.Kg2 Ne2 35.Be2 Ke2 36.h4 e3 0–1. Tsiotridis,P (2100) – Salem,AR (2440), 5th Open, Kalamaria GRE, 2008.

9.a3 Qf6

10.Nc3 Be6 11.Qb2 Nc3 12.Qc3 Qc3 13.dc3 Nd7 14.Bg2 Nb6 15.Ne5 Bd5 16.Bd5 Nd5 17.c4 Nf6 18.f3 Rfd8 19.Rd1 Rd6 20.e4 Rad8 21.Ke2 Ne8 22.c5 Rd1 23.Rd1 Rd1 24.Kd1 c6 25.Nc4+– Nc7 26.Na5 b6 27.Nc6 Nb5 28.a4 Nc3 29.Kc2 Na4 30.Kb3 (30.Kb3 Nc5 31.bc5 bc5 32.Kc4+–) 1–0. Nikolaidis,Ioannis – Katsenos,G, Ikaria op, 1993.

10.Nc3 Be6 11.Rc1 Ne3 12.Qb1 Nf1 13.Kf1 Nc6 14.Ne4 Bh3 15.Kg1 Nd4 16.Nd4 Qd4 17.e3 Qe5 18.Rc5 Qe6 19.Qb2 (19.Rc7 Qg4 20.Nc3 Rac8+=) 19...Kg8 20.Ng5 Qd7 21.f3 (21.Nh3!? b6 22.Re5 Qh3 23.Re7+/–) 21...c6 22.Kf2 Be6 23.h4 h5 24.g4 hg4 25.h5 Rad8 26.hg6 Qd2 27.Qd2 Rd2 28.Kg3 gf3 29.gf7 ½–½. Alvarez,Roberto (2435) – Garcia Contreras,Rafael, Mondariz op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.d4 Nb6 11.Nbd2 Nc6 12.e3 e5 13.de5 Ne5 14.Ne5 Qe5 15.Rc1 Be6 16.Qc3 Qc3 17.Rc3 c6 18.Bg2 Rfd8 19.Ne4 Bc4 (19...Na4!? 20.Rc1 Rd3+=) 20.Nc5+= a5?? (better is 20...Rab8+=) 21.ba5+– (21.Nb7?! ab4 22.Rc1 Rdb8 23.ab4 Bd5=) 21...Ra5 (21...Bd5 22.e4 (22.ab6?! Bg2 23.Rg1 Bf3+=) 22...Be4 23.Be4+– (23.Ne4?! Ra5 24.Nc5 Ra7+–; 23.ab6 Bg2 24.Rg1 Rd5 25.Rg2 Re8 26.Re3 Re3 27.fe3 Rc5-/+)) 22.Nb7 Raa8 23.Nd8 Rd8 24.a4 Ba6 25.a5 Nd5 26.Bd5 Rd5 27.Ra3 Kf6 28.f3 c5 29.e4 Rd4 30.Kf2 Rd2 31.Kg1 Ke5 32.h4 h5 33.Rh2?? Rd1= 34.Kg2 Rd2 35.Kh3?? Bf1–+ (35...Bf1 36.Rg2 Rg2–+) 0–1. Hartmann,D (1905) – Naudion,G (2210), Avoine FRA, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.d4 Be6 11.Qc2 Nc6 12.Qd2? (12.Qd3 Nb6 13.Nbd2 Rad8=) 12...Nb6 (better is 12...Bg4 13.Bg2 Rfd8-/+) 13.b5= Nc4 14.Qc3 N6a5 15.e4 c6 16.bc6 bc6 17.Ne5 c5 18.Nc4 (18.Bc4?! Nc4 19.Nc4 cd4+=) 18...Nc4 19.d5 (19.Bc4 cd4 20.Qb4 Bc4-/+) 19...Ne5 20.f4 Nf3 21.Kf2 Nd4 22.de6 fe6 23.Nd2 Rab8 24.Bc4 e5 25.Nf3 ef4 26.g4 e5 27.h4 Rb6 28.g5 Qd6 29.Rab1 Rfb8 30.Rb6 Rb6 31.Rd1 Qb8 32.Rd2 Rb1? 33.Ba2+– Rh1 34.Kg2 Qc8 35.Kh1 Qh3 36.Rh2 Qf1 37.Ng1 (37.Ng1 Nf3 38.Qf3 Qf3 39.Nf3+–) 1–0. Werchan,Hans (2145) – Thieme,Wolfgang (1950), GER–ch Seniors, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Qd6)

10.d4 Be6 11.Nbd2 a5 12.b5 Nd7 13.Ne4 Qf5 14.Neg5 N5b6 Black prepares a4 15.Ne6 fe6 16.Bg2 a4 17.Qb4 Nd5 18.Qd2 N7f6 19.Nh4 Qh5 20.0-0 g5 (20...Rad8 21.Rac1+/-) 21.Nf3 Ne4 22.Qd3 Nd6 23.e4 Nb6 24.Rac1 Rac8 25.Rc5 h6 26.Rfc1 Qf7 27.Qe2 (27.Rc7?! Rc7 28.Rc7 g4+=) 27...Ne8 (27...Qg6 28.Rc7 Qe4 29.Qe4 Ne4 30.Re7 Kf6 31.Rc8 Ke7 32.Rc7 Kd6 33.Rb7+-) 28.Ne5 Qf6 29.Qe3 (29.f4 gf4 30.Rf1 Kh7+-) 29...Rd8 30.R1c2 Kg8 31.Bh3 Kg7 32.Bg4 Kg8 33.Kg2 Kh7 (33...Nc8 34.Bh5 Ng7 35.Qe2 Nh5 36.Qh5+-) 34.Bh5 Nd7 35.Be8 Rfe8 36.Ng4 Qg7 37.Rc7 h5 (37...e5 38.de5 Ne5 39.Ne5 Qe5 40.R2c5+-) 38.Ne5 Ne5 39.de5 g4 (39...b6 40.R7c6+-) 40.Rb7 Rd1 41.Rcc7 (41.f4 gf3 42.Qf3 Qg4+-) 41...Qf7 (41...Kg6 42.Ra7+-) 42.Ra7 (42.h4 Ra1+-) 42...Rb1 43.Ra4 (43.Qf4 Qf4 44.gf4 Rb5 45.Re7 Re7 46.Re7 Kg8 47.Re6 Rb3 48.Rg6 Kh7+-) 43...Rb2? (43...Rb5 44.Raa7+-) 44.Raa7 (44.Qf4 Qf4 45.gf4 Rb5+-) 44...Kg6 (44...Rb5 45.Qf4 Kg6 46.h4 gh3 47.Kh3 Qf4 48.gf4 Rb3 49.Kg2+-) 45.Qf4 (better 45.h4 gh3 46.Kh3 Rb5 47.a4+-) 45...Qf4 46.gf4 Rf8 47.f5! (47.Re7?! Rf4 48.Re6 Kg5 49.h4 Kh4=) 47...ef5 48.Re7 fe4 49.Rg7 (49.Ra6!? Kf5 50.Ree6+/-) 49...Kf5+= 50.Rgf7 (50.Rh7 e3 51.e6 Rf2 52.Kg1 Ke6 53.Rae7 Kd5 54.Re3 Rf1 55.Kg2 R1f2 56.Kg3 R8f3 57.Rf3 Rf3 58.Kg2 Ra3 59.Rh5 Ke4+=) 50...Rf7= 51.Rf7 Ke5 (51...Ke6!? 52.Rf8 Rb5=) 52.a4+/- h4 53.Rh7 Kf4 54.Rf7 Kg5 (54...Ke5!?=) 55.Rg7 Kf4 56.h3 g3 57.Rf7 (57.Rg4 Ke5 58.Rh4 gf2=) 57...Ke5= 58.Kf1 Rb1 59.Kg2 Rb2 ½-½. Vojak,Daniel (2235) - Martic,Z (2295), Krk Golden Island Open, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

8.Qb3 Be6

9.Qb2 f6 10.Bg2 c6 (10...Qd6 11.b5=) 11.0-0 (11.Nc3 Qb6=) 11...Qb6 12.Nc3 (12.a3 a5=) 12...Qb4 (12...Nb4 13.Na4 Qa5 14.a3+=) 13.Qb4 Nb4 14.Rab1 Na2 15.Rb7 Kf7 (15...Nc3 16.Re7 Rf7 17.Re6=) 16.Ne4 (16.Na2 Ba2 17.Ra1=) 16...Nd7 (better is 16...Bd5!? 17.Nc5 a5=) 17.Nfg5+/– fg5 18.Ng5 Kf6 19.Nh7 Kf7 (19...Ke5!? 20.Nf8 Nf8 21.Bc6 Rd8+/–) 20.Ng5+– Kf6 21.Ne6 Ke6 22.Bh3 Kf6 23.Bd7 (worse is 23.Rd7 a5+/–) 23...c5 (23...Rfb8!? 24.Bc6 Rb7 25.Bb7 Rd8+/–) 24.Ra1 Nb4 25.d4 Nc2? (25...Rfb8 26.Rb8 Rb8 27.dc5 Rb7+–) 26.Ra6 (26.Ra6 Kg5 27.f4 Kh6 28.dc5+–) 1–0. Sternik,Ryszard (1875) – Payzansky,Aleksey (1795), FICGS, 2010. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Be6)

9.Qb2 Nf6 10.Bg2=.

9.Qb2 Kg8 10.Bg2 a5 11.b5 Nd7 (11...c6 12.0-0+=) 12.0-0 N7f6 13.Nc3 Qd6 14.Ng5 Bd7 15.Nge4 Ne4 16.Ne4 Qb6 17.Rab1 a4 18.Qe5 e6 19.Qg5 (19.Nc3 Nc3 20.dc3+= (20.Qc3?! Bb5 21.a3 c6=+)) 19...f6 (worse 19...Bb5 20.Nf6 Nf6 21.Rb5+= (worse 21.Qf6 c6=+)) 20.Qh6 Ra5 b5 becomes the focus of attention 21.h4 (21.Nc3 Nc3 22.dc3 Rb5=+ (22...Bb5? 23.c4+-)) 21...Rb5-/+ 22.Rb5 Qb5 23.h5 (23.Re1 e5-/+) 23...Be8 (23...g5 24.Bf3-/+) 24.hg6 Bg6 (worse 24...hg6 25.Bf3=+) 25.d3 Qb2 26.Bh3 (better 26.Qd2 Qd2 27.Nd2-/+) 26...Qe5?? (26...Re8 27.Qd2 Qd2 28.Nd2-/+) 27.f4? (better 27.Nc5 Re8 28.e4=) 27...Qd4-+ 28.Kh1 (better 28.Nf2 Qe3 29.Qh4-+) 28...Be4 29.de4 Qe4 30.Kg1 Qe3 31.Rf2 Rd8 (31...Nc3!? 32.Kh1-+) 32.Qh4 Nc3 33.Qg4 Kh8 34.Qe6 (34.Qe6 Ne2 35.Kh1 Ng3 36.Kg2-+). Marin Masis,Jose Esteban (1935) - Arakhamia_Grant,K (2380), Titled Tuesday, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.Qb2 Kg8 10.Bg2 Nc6 11.a3 Qd7 12.Nc3 Nc3 13.Qc3 Bh3 (13...Bd5 14.b5 Bf3 15.Bf3=) 14.0-0 (better 14.Bh3!? Qh3 15.b5+/-) 14...Bg2= 15.Kg2 Rfd8 16.Rfc1 Rac8 (16...a6 17.Qe3=) 17.h4 (17.b5 Nd4 18.Nd4 Qd4 19.Qd4 Rd4+=) 17...e5 18.d3 Nd4 19.Nd4 ed4 20.Qc5 b6 (20...a6 21.Rc4=) 21.Qc6 Qc6 (21...Qf5!?=) 22.Rc6+= Kf8 (22...Rd6 23.Rac1 Rc6 24.Rc6+/-) 23.Rac1+/- Rd7 24.b5 Ke7 25.Kf3 f6 26.Ke4 (26.g4 a6+/-) 26...Re8+= 27.R1c4 Kd8 28.Kf3 f5 (28...Re5 29.a4 Rf5 30.Kg2+=) 29.h5 (29.Ra4 Re5 30.Ra7 Kc8+/-) 29...Re5 (29...g5 30.Rf6 g4 31.Kf4 Re2 32.Rf8 Ke7 33.Rf5 Rf2 34.Kg4+=) 30.a4 (30.hg6 hg6 31.Rg6 Rb5 32.Rg8 Ke7 33.Rg7 Ke8 34.Rd7 Kd7 35.Rd4 Ke6 36.Ra4+/-) 30...Rde7? (better 30...g5+=) 31.Rd4+- Kc8 (31...Ke8 32.e3 R5e6 33.Rdc4+-) 32.e3 (32.hg6 hg6 33.Rg6 Re2 34.Rg8 Re8 35.Re8 Re8+-) 32...g5 33.Rf6 Kb7 34.Rd8 a6 35.ba6 Ka6 36.Ra8 (36.Rdf8 c5+-) 36...Kb7 37.Rg8 (37.Raf8 f4 38.d4 Ra5+-) 37...g4 (37...f4 38.d4 (38.gf4?! gf4 39.Rf4 Rh5+/-) 38...Rd5 39.h6 fe3 40.fe3+-) 38.Ke2 (38.Kf4 Rd5+-) 38...Ra5 (38...Rd7!?+/-) 39.h6+- Ra4 40.Rg7 Ra2 (40...Re5 41.Rh7 Ra2 42.Kf1-+) 41.Kf1+- Re5 42.Rff7?? (42.d4 Rb5 43.Kg2-+) 42...Rc5-+ 43.Rh7 Rc1 (43...Ra1 44.Kg2-+) 44.Kg2 Raa1 45.f3 (45.Rc7 Rc7 46.Rg7-+) 45…Rc2 0-1. Kazan2502 (2110) - goraja (2020), Rated Classical game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5)

9.Nc3 Nc3 10.Qc3 Kg8 11.Bg2 c6 12.0-0 Bd5 13.h4 (13.Rfe1 Be4+=) 13...Nd7 14.h5 Nf6 15.hg6 hg6 16.d3 Bf3 17.Bf3 Qd6 18.b5 Nd5 19.Bd5 Qd5 (19...cd5 20.Rfc1=) 20.bc6+= bc6 21.Rfc1 Rfc8 22.Qc5 Qd7 (22...e6 23.a3+=) 23.Rc4 Rab8 24.Rac1 Rb5 (24...Rb2 25.R1c2 Rb6 26.Kg2+=) 25.Qe3 Rh5 26.Rc5 Rc5 (26...Rc5 27.Qc5 Qe6+=). hobgoblin (2150) – lga (2090), net–chess.com, 2010.

9.Nc3 Ne3 10.Qb2 Nf1 11.Rf1 (11.Kf1 Bg4=) 11...Nc6 (11...f6 12.h4=) 12.b5 Nd4?? (better is 12...Na5=) 13.Ne4+– Bf5? (13...Bh3 14.Neg5 e5 15.Nh3 Nf3 16.ef3 Re8+–) 14.Nd4 Be4 15.Ne6 (15.Ne6 Kh6 16.Qg7 Kh5 17.Qe5 Bf5 18.g4 Kg4 19.Qg3 Kh5 20.Qg5; 15.Nf5 Kg8 16.Qg7) 1–0. bryanotb – rpatru (2155), net–chess.com, 2008.

9.Bg2 Qd6 10.Nd4=.

9.Bg2 Nf4?? 10.Qc3+– f6 11.gf4 Nc6 12.b5 Nb8 13.Nd4 Bd5 14.Qc5 Bg2 1–0. marekt – FelixFri, ChessWorld.net, 2008.

9.Bg2 Nf4?? 10.Qc3 Kg8 11.gf4 1–0. Weimer,Helmut – Colbus,H, FRG–ch M corr, 1989. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Be6)

9.Bg2 Kg8 10.Ng5 Nf4 11.Ne6 Ng2 12.Kf1 fe6 13.Qe6 Kg7 (13...Rf7 14.Kg2 Qd4=) 14.Nc3 (14.Qe5 Rf6 15.Kg2 Nc6+=) 14...Rf6 (14...Nh4 15.gh4 Nc6 16.Ne4=) 15.Qe4 (15.Qd5 Nc6 16.b5 Rd6 17.Qg2 Na5+/–) 15...Qd2 (better is 15...Nh4! 16.gh4 Qd2+=) 16.Kg2+/– Qc3 17.Rac1 Qb4?? (better is 17...Qd2 18.Qb7 Qe2+/–) 18.Qb4+– (18.Qb4 Na6 19.Qb7+–) 1–0. Janek – Greystoke, internet, 2018. (=1.b4 g6 2.Bb2 Nf6 3.Nf3 Bg7 4.g3 0-0 5.c4 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Be6)

9.Ng5 Bg4 10.Bg2 c6 11.h3 h6 12.Ne4 Bc8 13.Nbc3 b6 14.Nd5 cd5 15.Nc3 e6 16.Nd5! Bb7 (16...ed5 17.Bd5) 17.Qc3 (17.Qc3 e5 18.Qe5 f6 19.Qd4+–) 1–0. Lyngsjoe,Gert – Goerman,Rikard, SWE–ch SSKK 1–439 corr9092, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 Be6)

6.Bg2 dc4

7.Na3 Nd5 8.Bg7 Kg7 9.Qc1 Kg8 10.Qc4 c6 11.0-0 Nd7 12.Qh4 e5 13.Ng5 N7f6 14.b5 Ne7 15.bc6 bc6 16.Qb4 Ba6 17.Rfe1 Rb8 18.Qc5 Qc7 19.Nc4 Bc4 20.Qc4 Rb2 21.d3 h6 22.Nf3 Rfb8 23.Qc3 R8b5 24.a4 R2b3 25.Qc1 R5b4 26.Nd2 1–0. Hort – Krisko, Trinec 1972.

7.Na3 Nd5 8.Bg7 Kg7 9.Qc2 Kg8 10.Qc4 Be6 11.Qh4 Nf6 12.e4?? (better is 12.0-0+=) 12...Qd3–+ 13.e5 Nh5?? (better is 13...Bg4 14.ef6 Bf3 15.Bf3 Qf3–+) 14.Nd4+= Qa3 15.Bb7 Nd7 16.Ba8 Ra8= 17.Ne6 fe6 18.Qe7 Ne5+= 19.Qe6 Nf7 20.Qc6 Rd8 21.Qc3 Qa6 22.Qc7 Rc8 23.Qd7+= Nf6 24.Qd4?? Re8 25.Kd1-/+ Qa4 26.Kc1 Rc8 27.Qc3?? Rc3 28.dc3 Qc6 29.Kb2 Ne4 (29...Ne4 30.Rhc1 Ne5–+) 0–1. Castro Couceiro,Silvia – Rodriguez Costa,Moira, Galicia–ch (Women), 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5)

7.Na3 Qd6 8.Bc3 Nd5 9.Bg7= Kg7 10.Nc4 Qb4 11.Nfe5 e6 12.Rb1 Qe7 13.0-0 Nd7 14.d4? Nc3-/+ 15.Qd2 Nb1 16.Rb1 Rd8 17.Nc6?? bc6–+ 0–1. Christen,Pi (2015) – Alava,M (2200), 25th ECC, Ohrid MKD, 2009.

7.Ne5 Nd5 8.Nc4 Bb2 9.Nb2 Nb4 0–1. algernon (2400) – bonooman (2475), net–chess.com, 2003.

7.Ne5 Ng4!? 8.f4 Ne5 9.Be5 Be5 10.fe5 Qd4 –+.

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  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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