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TESTJ240 Release 2023-07-02
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6 3.e3 Bg7

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4.a3 Rf8 5.Nf3 b6 6.d4 d5 7.Be2 Nc6 8.Nbd2 e6 9.0-0 Bd7 10.c4 h6 11.cd5 ed5 12.Bb5 Qe7 13.Qa4 Nb8 14.Bd7 Qd7 15.Qd7 Nbd7 16.Ne5 Ne5 17.de5 Nd7 18.Nf3 0-0-0 19.Rac1 Rde8 20.Rc6 Nb8 21.Rc2 Re6 22.Rfc1 c6? 23.Nd4+- Kb7 24.Ne6 fe6 25.f4 g5 26.g3 gf4 27.ef4 a6 28.Bd4 b5 29.Bc5 Rg8? 30.a4! h5?! 31.ab5 ab5 32.Bd6 h4 33.Bb8 Kb8 34.Rc6 hg3 35.hg3 Bh6 36.Kf2 Re8 37.Rb6 Ka7 38.Rb5 (38.Rb5 Ka6 39.Rbc5+-) 1–0. Fournier,Frederic (1875) – jesusarmi (1770), Active (5/0), 2005.

4.a3 Rg8 5.Nf3 Nc6 6.d4 d5 7.c4 Bg4 8.Nbd2 Bf3 9.Nf3 dc4 10.Bc4 Ne4 11.Qb3 e6 12.Qc2 Nd6+/– 13.Bb5?? Nb5–+ 14.a4 Nd6 15.b5 Nb4 16.Qb3 a5 17.ba6 Na6 18.Rb1 Qd7 19.0-0 Ne4 20.Qb7 Qc8?? 21.Qe4 Rb8? 22.Qc6 Kf8?? 23.Ba3 (23.Ba3 Rb4 24.Rb4+-) 1–0. Fournier,Frederic – torremocha, Active, 2008.

4.Qc1 0-0 5.c4 b6 6.d4 Bb7 7.Nf3 a5 8.b5 Bf3 9.gf3 d5 10.Nd2 dc4 11.Nc4 c6 12.a4 cb5 13.ab5 Nbd7 14.Bd3 Rc8 15.Qd2 Nh5 16.Be2 Qc7 17.Rc1 Qb7 18.0-0 Nhf6 19.e4 Nh5 20.e5 Qd5 21.Ne3 Qb3 22.Bc4 Qb4 23.Bc3 Rc4 24.Bb4 Rb4 25.Nd5 e6 26.Nb4 ab4 27.Qb4 Nf4 28.Rcd1 Nd5 29.Qd6 Nb8 30.Ra1 Re8 31.Ra8 Bf8 32.Rb8 Bd6 33.Re8 Bf8 34.Rc1 Kg7 35.Rcc8 Bb4 36.Rg8 Kh6 37.Rb8 Kg5 38.Rg7 f5 39.Rh7 Kf4 40.Kg2 g5 41.h4 g4 42.fg4 Kg4 43.Rg8 Kf4 44.Rg6 Ke4 45.Rg3 Nf4 46.Kh2 Kd4 47.h5 Ke5 48.h6 Ne2 49.Rg8 Bc3 50.Rb8 Bd4 51.f3 Kf4 52.Re7 Be5 53.Re6 Bb8 54.Re8 Kg5 55.Rb8 Kh6 56.Rb6 Kg5 57.Rb8 Nd4 58.Rg8 Kf4 59.b6 Nf3 60.Kg2 Nd4 61.b7 Nc6 62.b8Q Nb8 63.Rb8 Ke4 64.Rf8 f4 65.Rf7 Ke3 66.Rf6 f3 67.Rf3 1–0. Adamkosh (1955) – evgen70 (1915), lichess.org, 2019.

4.Qc1 d5 5.Be2 0-0 6.h3 Nc6 7.Nf3 e5 8.b5 e4 9.bc6 ef3 10.cb7 Bb7 11.Bf3 Qd6 12.c4 Rab8 13.cd5 Bd5 14.Bf6 Bf6 15.Nc3 Bf3 16.gf3 Qb4 17.0-0 Qh4 18.Kh2 Be5 19.f4 Bd6 20.Ne4 Bf4 21.ef4 Qf4 22.Ng3 h5 23.d3 Qd6 24.Qe3 h4 25.Rad1 hg3 26.fg3 Rb2 27.Rf2 Rf2 28.Qf2 f5 29.Qf3 f4 30.g4 g5 31.Re1 Qa3 32.Re2 Rd8 33.Qe4 Rd3 34.Qg6 Kh8 35.Qh6 Kg8 36.Qg5 Kf7 37.Qf4 Kg6 38.Re6 Kg7 39.Qf6 Kh7 40.Re7 Kg8 41.Qg7 1–0. Adamkosh (1890) – Veryizi, lichess.org, 2020.

4.Qc1 d6 5.Nf3 e5 6.c4 0-0 7.d4 a5 8.de5 de5 9.a3 e4 10.Nd4 c5 11.bc5 Bg4 12.Nd2 Nc6 13.Nc6 bc6 14.h3 Bf5 15.Be2 Qe7 16.Nb3 Rab8 17.Qc2 a4 18.Nd4 Qc5 19.Nf5 Qf5 20.Bd4 c5 21.Bc3 Rb3 22.0-0 Rfb8 23.Rfd1 Qe6 24.Rd2 Rc3 25.Qc3 Nd7 26.Qc1 Ne5 27.Rb1 Rb1 28.Qb1 Nc4 29.Qb8 Bf8 30.Bc4 Qc4 31.Rd8 Qc1 32.Kh2 Qa3 33.Rf8 Kg7 34.Rg8 Kh6 35.Qf4 Kh5 36.g4 Kh4 37.g5 Kh5 38.Qg4 1–0. Adamkosh (1840) – maginnisp (1895), lichess.org, 2019.

4.c3 b6 5.Nf3 Bb7 6.d4 Nc6 (6...a5 7.b5=) 7.Bd3 d5 8.Nbd2 0-0 9.0-0 e6 10.a3 Ne7 11.h3 (11.c4 a5+=) 11...a5= 12.Re1 ab4 13.ab4 c5 14.Ra8 Qa8 15.bc5 bc5 16.dc5 d4?? (better is 16...Nd7=) 17.cd4+- Bf3 (17...Ne4 18.Nc4+-) 18.Nf3 Ned5 19.Qa1 Qa1 20.Ba1 Nd7 21.Bc3 Nc3= 22.Rc1 Nd5 23.Bc4 Rc8 24.Bd5 ed5 25.Nd2 Nf6 26.Rb1 Ne4 27.Ne4 de4 28.Rc1 Bd4?? 29.ed4+- Kg7 30.c6 Rc6?? 31.Rc6 f5 32.d5 Kh6 33.Rc1 Kg5 34.Rd1 h5 35.d6 e3 36.fe3 (36.fe3 h4 37.d7 f4 38.d8Q Kf5 39.Qf8 Ke5 40.Qe7 Kf5 41.e4) 1–0. Fournier,Frederic (1940) – herow (1770), Active Blind, 2008.

4.c3 c6 5.Nf3 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 0-0 9.d4 d5 10.Nbd2 Nbd7 11.Be2 Qc7 12.0-0 Re8 13.Bb2 h6 14.Qc2 Nf8 15.Ra1 g5 (15...Bf5 16.Bd3 Bd3 17.Qd3=) 16.h3 (16.c4 Ne6+/–) 16...Ng6 (16...g4 17.hg4 Bg4 18.c4+=) 17.Bd3+/– h5? (better is 17...g4!? 18.hg4 Bg4 19.Bg6 fg6 20.Qg6 Bh5+/–) 18.Bg6 (18.Ng5 Nf8+-) 18...fg6 19.Ne5 (better is 19.Qg6 g4 20.hg4 hg4 21.Ne5+-) 19...Bf5+= 20.Qd1 g4 21.hg4 Ng4 22.Ng4 Bg4 23.f3 Bf5 24.Kf2 e5-/+ 25.de5 Be5 26.e4 de4 27.Ne4 Be4–+ 28.fe4 Qg7 29.Qf3?? Rf8–+ 30.Qf8 Qf8 31.Ke3 g5 32.c4 Bb2 (32...Bb2 33.Rd1 Qf4 34.Kd3 Qg3 35.Ke2 Qg2 36.Ke3 Qg3 37.Ke2 Qg4 38.Kd2 Qe4–+) 0–1. Fournier,Frederic (1885) – quqo (1915), Active blind, 2011.

4.Nc3 Nd5 5.Nd5 Bb2 6.Rb1 Bg7 7.d4 c6 8.Nf4 (8.Nc3=) 8...g5 (8...d6!?=) 9.Nh5+= Rg8? (9...Bf8 10.Nf3+=) 10.Bd3 (10.Qd3 Bh8 11.Qh7 Rf8+-) 10...h6 (10...Bf8!?+/–) 11.Ng7+- Rg7 12.Qh5 d5 (12...Rg8 13.Qh6 g4 14.Qh7+-) 13.Qh6 Kf8 (13...Rg8 14.Bh7 Rf8 15.Qg5+-) 14.Nf3 g4 15.Ne5 f5 (15...Kg8+-) 16.Bf5! Bf5 17.Qh8 Rg8 18.Qh5 Be6 19.Qh6 (19.Qh6 Rg7 20.Qe6+-) 1–0. Wall,Bill – GoodBadUgly, internet, 2004.

4.Bc4 d6 5.Ne2 Nbd7 6.0-0 0-0 7.Ng3 a6 8.d3 Rb8 9.Nd2 b5 10.Bb3 c5 11.bc5 Nc5 12.h3 Qb6 13.Rb1 e5 14.e4 Be6 15.Kh1 a5 16.f4 a4 17.Be6 Ne6 18.fe5 Nd7 19.ed6 Bb2 20.Rb2 a3 21.Rb3 b4 22.Nc4 Qc5 23.Qd2 Nd4 24.Rbb1 f6 25.Ne2 Ne5 26.Nd4 Qd4 27.Rb4 Rb4 28.Qb4 Nc4 29.Qc4 Qc4 30.dc4 Kf7 31.Rd1 Ke8 32.c5 Kd8 33.c6 Rf7 34.c4 f5 35.e5 f4 36.c5 f3 37.gf3 Rf3 38.e6 Rf2 39.c7 Kc8 40.e7 Re2 41.d7 Kc7 42.d8Q Kc6 43.Qd6 Kb5 44.Rb1 Kc4 45.Rc1 Kb4 46.c6 Kb5 47.c7 Ra2 48.c8Q Rb2 49.Qdb8 Ka4 50.Qa6 1–0. Abdullaevich – Vkdio, lichess.org, 2017.

4.d3 Na6 A) 5.a3-/+ A1) 5...d5 6.d4 (6.Nf3 c5 7.d4 c4 8.Be2 Bf5 9.0-0 0-0 10.Nfd2 Qd7 11.Nc3+=) 6...0-0 7.Nf3 Bf5 8.Be2 c6 9.0-0 b5 10.Ne5 Qc7 11.Bd3=; A2) 5...0-0 6.Bf6 Bf6 7.d4 Nb8 8.Nf3 d6 9.Nbd2 e5 10.de5 de5 11.Ne4=; A3) 5...c5 6.bc5 Nc5 7.Nd2 Na4 8.Bf6 Bf6 9.d4 Nc3 10.Qf3 0-0 11.Ne2=; B) 5.b5 Nc5 6.c4 (6.Nf3 d5 7.Nbd2 0-0 8.Bf6 Bf6 9.d4 Nd7 10.Be2 e5 11.0-0=; 6.d4 Na4 7.Ba3 d6 8.c4 Nb6 9.Nf3 e5 10.de5 Nfd7 11.Bb2=) 6...d6 7.Be2 0-0 8.Nf3 a6 9.0-0 ab5 10.cb5 e5 11.Nc3=.

4.d3 d5 A) 5.Be2 Qd6 (5...a5 6.b5 c6 7.Nc3 a4 8.Rb1 0-0 9.Nf3 c5 10.a3 Qb6 11.d4=; 5...Qd7 6.Nf3 Qg4 7.c4 dc4 8.h3 Qd7 9.dc4 Qd1 10.Bd1 0-0 11.Be2=; 5...0-0 6.Nf3 Bg4 7.0-0 Qd6 8.c3 e5 9.c4 e4 10.de4 de4 11.Qd6=) 6.a3 0-0 7.Nf3 Nbd7 8.c4 dc4 9.dc4 Qd1 10.Bd1 Rd8 11.Be2=; B) 5.Nf3 Bg4 (5...a5 6.b5 a4 7.c4 dc4 8.d4 Be6 9.Qc2 Qd6 10.Ba3 Qd5 11.Nc3=; 5...Qd6 6.a3 Nbd7 7.Be2 a5 8.b5 e5 9.0-0 0-0 10.c4 Re8 11.d4=; 5...0-0 6.Be2 Qd6 7.a3 Nbd7 8.0-0 a5 9.b5 Rd8 10.c4 dc4 11.dc4=) 6.h3 Bd7 7.Bf6 Bf6 8.d4 0-0 9.c4 dc4 10.Bc4 b5 11.Bd5=.

4.Be2 c5 5.b5 d6 6.Bf3 Qb6 7.c4 Be6 8.d3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qa2 13.Ne2 Nbd7 14.Bb7 Ne5 15.f4 Nd3 16.Kf1 Bc4 17.Bc6 Kf8 18.Nd2 Kg8 19.Nc1 Nb2 20.Nc4 Qc4 21.Ne2 Nd1 0–1. ArgosZgZ – Emiliu, lichess.org, 2019.

4.Be2 c6 5.c4 0-0 6.h4 (6.Nf3 d5=) 6...Nh5 (6...d5 7.d4+=) 7.Qc2 (7.Bg7 Ng7 8.h5 g5+=) 7...Bb2 (7...Nf6 8.h5=) 8.Qb2 Ng7 (8...Nf6 9.d4=) 9.h5+= Qe8 10.h6 (10.hg6 fg6 11.Nf3 d6+/–) 10...Ne6+= 11.Nf3 f6 12.g4 (12.d4 d6+=) 12...Qf7 13.d4 Ng5 (13...d6 14.Nbd2=) 14.Nbd2 (14.Nfd2 Qe6+=) 14...d6 (14...Nf3 15.Bf3 d6 16.Rd1=) 15.Rh2 (better is 15.Ng5 fg5 16.Rf1+=) 15...Bg4?? (better is 15...Nf3 16.Bf3 e5=) 16.Ng5+- fg5 17.Bg4 e6 (17...d5 18.Rg2 Kh8 19.b5+-) 18.Ne4 (better is 18.d5 Qf6 19.Be6 Kh8 20.Qf6 Rf6 21.Ne4+-) 18...Qe7 19.d5! e5 (19...cd5 20.Be6; 19...ed5 20.Be6) 20.Be6 Kh8 21.0-0-0 (21.Rg2 Nd7+-) 21...Nd7 (21...a5 22.b5+-) 22.Ng5! cd5 (22...Qg5 23.Bd7 Deflection (23.Bd7 Overloading)) 23.Bd7 (23.f4 Rac8 24.c5 d4 25.ed4 Rf4+-) 23...Qd7 24.Rd5 (better is 24.cd5 Rac8 25.Kd2+-) 24...Qg4 25.f4 Rf4?? (better is 25...Qg1 26.Rd1 Qe3 27.Qd2 Qf4 28.Qf4 Rf4 (28...ef4?? 29.Rd6 Rf5 30.Rhd2+-) 29.Rd6 Rc4 30.Rc2 Rg4 31.Nf7 Kg8+-) 26.ef4 Qf4 27.Qd2 Qc4 28.Kb1 (28.Kb2 Rf8 29.Rd6 Qc7+-) 28...Rf8 29.Rd6 Rf1 (29...Qf1 30.Kb2 a5+-) 30.Kb2 (30.Kb2 Qc2 31.Kc2 Rf8 32.Rd8 Kg8 33.Rf8 Kf8 34.Qd8) 1–0. Stolzenwald,Frank – Stolzenwald,Karl_Heinz, B Open Tournament – VMCG Festival, 2015.

4.Be2 e6 5.d3 0-0 6.Nd2 b6 7.Bf3 Bb7 8.Bb7 Nc6 9.b5 Rb8 10.bc6 dc6 11.Bc6 Qd6 12.Bf3 Rfe8 13.Ne2 e5 14.e4 Nd7 15.h4 c5 16.h5 a6 17.hg6 fg6 18.Nc4 Qe7 19.Qd2 b5 20.Ne3 Rbd8 21.Nd5 Qd6 22.Qg5 c4 23.d4 b4 24.de5 Ne5 25.Be5 Be5 26.0-0-0 Qb8 27.Rh7 Kh7 28.Rh1 Kg7 29.Qh6 Kf7 30.Qh7 Ke6 31.Qg6 Kd7 32.Bg4 1–0. ArgosZgZ (1745) – NeverToStoop (1705), lichess.org, 2020.

4.Be2 Rg8 5.a3 b6 6.Nf3 Bb7 7.d3 Nc6 8.Nbd2 e6 9.Nc4 Qe7 10.Rg1 0-0-0 11.Qd2 h5 12.0-0-0 Nd5 13.Bg7 Rg7 14.Nfe5 Ncb4 15.ab4 Nb4 16.Qc3 d5 17.Nc6 Bc6 18.Nb6 ab6 19.Qg7 Kb7 20.Qb2 Ra8 21.Kd2 Ra2 22.Qb3 Ba4 23.Qc3 Rc2 0–1. komyokan – lyubaca, lichess.org, 2019.

4.Ne2 d5 5.Ng3 (5.Nf4 0-0=) 5...Nc6 (5...h5 6.h3=+) 6.b5= Na5 7.Be2 b6 (7...h5 8.0-0=+) 8.Bf3 (8.Nc3 0-0=) 8...a6=+ 9.a4 ab5 (9...0-0 10.d3=) 10.ab5 Opening the a–file gets Black a lot of play 10...Bb7 11.0-0 (11.Na3 c6=) 11...Qd7 (11...Nc4 12.Ra8 Qa8 13.Bd4=) 12.Nc3 (12.Na3 0-0=) 12...e5 13.e4 (better 13.d4!? e4 14.Be2=) 13...d4-/+ Black gets in control 14.Nce2 Qb5 15.Ba3 (15.Rb1 Qd7-/+) 15...Nc4 16.Rb1 Qa6 (16...Qc6 17.Bb4-/+) 17.Bc1 Qa2 18.Rb5? (better 18.Rb3!?-/+) 18...Bc6–+ 19.Rb4 (19.Rb3 Ba4 20.d3 Bb3 21.cb3 Na5 22.Nd4 0-0–+ (22...ed4 23.e5 Nd5 24.Bd5-/+)) 19...Bf8 20.Rb3 Ba4 (better 20...Na5 21.Rb2 Qa1–+) 21.Rd3?? (better 21.Nd4 0-0-0 22.d3 Rd4 23.Ne2 Bb3 24.cb3–+) 21...Bc2 22.Nc3 (22.Qe1 Bd3 23.Nd4 Bf1 24.Qf1 ed4–+) 22...dc3 23.Qe2 (23.Qc2 Qc2 24.Rc3 Qa2–+) 23...Bd3 24.Qd3 cd2 25.Bd2 Rd8 26.Qc3 Rd2 27.Ra1 (27.Be2 Re2 28.Qf3 Be7 29.Ne2 Nd2–+) 27...Qc2 28.Ra8 Kd7 29.Qa1 Bg7 (29...Bc5 30.Rh8 Bd4 31.Rd8 Kd8 32.Qa8 Ke7 33.h4 Bf2 34.Kh2 Bg3 35.Kh3 Rg2 36.Qa3 Na3 37.Bg2 Bf4 38.h5 Qe2 39.hg6 Qh5) 30.h3 (30.Rh8 Bh8 31.Qe1 Rd3–+) 30...Rf2 (better 30...Ra8!? 31.Qa8 Qb1 32.Kh2–+) 31.Ra2 Qa2 (31...Qa2 32.Qc3 Bf8–+) 0–1. aravind555 (1710) – R3v31 (2010), lichess.org, 2019.

4.Ne2 d6 5.Ng3 a6 6.Be2 (6.Nc3 Nc6 7.b5 Bg4+-) 6...Nc6 7.a3 e5 8.c4 (8.0-0 Be6=) 8...Be6 (8...a5 9.b5 Ne7 10.d4=) 9.Nc3 (9.0-0 0-0=) 9...0-0 (9...a5 10.b5 Ne7 11.0-0=) 10.h4 (10.0-0 a5 11.b5 Ne7=) 10...h5 (10...a5 11.b5 Ne7 12.h5=) 11.Qc2 (11.0-0 Ne8=+) 11...Ne7 (11...a5 12.b5 Na7 13.0-0=) 12.Bd3 (12.0-0 Nf5=) 12...c6 (12...d5 13.cd5 Ned5 14.0-0=+) 13.f3 (13.0-0 b5 14.Nce4 Ne4 15.Ne4 f5=) 13...Qc7 (13...b5 14.Nce4-/+) 14.Nge2 (14.0-0 b5 15.cb5 cb5=) 14...d5 (14...b5 15.cb5 cb5 16.0-0=+) 15.c5 (15.cd5 Ned5 16.Nd5 Nd5=) 15...Rae8 (15...Nf5 16.e4 de4 17.fe4=) 16.Nd1 (16.0-0 Nf5=+) 16...Nf5-/+ 17.Nf2 e4 ( 17...Rd8!?-/+) 18.fe4= Ng3 19.e5 (19.Ng3 Qg3 20.e5 Ng4-/+) 19...Nfe4 20.Be4 (20.Ne4 Nh1) 20...Nh1 21.Nh1 de4 22.Qe4 Bd5–+ 23.Qf4 Be5 24.Be5-/+ Qe5 25.Qe5 Re5 26.Nf4 a5 27.Nf2 Ra8 28.Rb1 ab4 29.ab4 Ra4 30.g4 Be4 31.Rc1 Rb4+= 32.d4 Re7-/+ 33.gh5 Bf5 34.hg6 fg6 35.Rc3 Rd4–+ 36.Kf1 Rb4 37.Kg2 Rb2 38.Kf3 Rf7 39.Kg3 Rc2 40.Ra3? Rc5 41.e4-/+ Bd7 42.N2d3 Rb5 43.e5 Bf5 44.Rc3 Bd3 45.Rd3 Re5 46.Ng6 Rg7 47.Kf4 Rb5 48.Rd8 Kh7 49.h5? Kh6 50.Kg4? Rg5 51.Kf4 Rf7 52.Ke4 Kh5 53.Ne5 Rh7 54.Rd1 Kh6 55.Kf4 Rhg7 56.Rd8 Rg1 57.Rh8 Rh7 58.Re8 Rf1 59.Ke4 Rg7 60.Rh8 Kg5 61.Nf3 Kf6 62.Rh4 Re7 63.Kf4 Ke6 64.Rh6 Kd5 65.Rf6 b5 66.Kg3 Re3 67.Kg2 Rff3 (68.Rf3 Rf3–+) 0–1. Koch,Wolfgang Max (2310) – Schalow,Daniel, Berliner Sommer, 1994.

4.Ne2 e5 5.Be5+= d5 6.Ng3 (6.Nf4 g5 7.Nd3 Nc6+=) 6...b6 (6...Nbd7 7.Bd4+=) 7.Be2 (7.d4 0-0+-) 7...Bb7 (7...Qe7 8.Bc3+-) 8.0-0 (8.d4 Nc6 9.Bf6 Qf6+-) 8...Nc6 9.Bb2 (9.Bc3!?+-) 9...Nb4+= 10.Nc3 (10.d4 c5+=) 10...c5 11.d4 c4 (11...0-0!?=) 12.Bf3 0-0 13.Ba3 a5 14.Nce2 (14.Rb1 Re8+=) 14...Re8= 15.Bb4 (15.Qb1 g5 16.h3 Bf8=) 15...ab4=+ 16.Rb1 Qd6 17.c3 b3 (better 17...Ra2!? 18.Rb4 h5=) 18.ab3+- Ra2 (better 18...Ba6!?+-) 19.bc4+- dc4?? (better 19...Ba6 20.cd5 Bc4+-) 20.Bb7 Rb8 (20...Qc7 21.Bf3+-) 21.Bf3 Nd7 (21...b5 22.e4 Qd8 23.Ra1 Ra1 24.Qa1+-) 1–0. aravind555 (1730) – chess__titan (1680), lichess.org, 2020.

4.Qf3 d5-/+ 5.d4 Bg4 (5...0-0 6.c4 (6.Bc3–+ Bg4 7.Qg3 Qd7 8.h3+=) 6...Nc6 7.a3 Be6 8.Nd2=; 5...Qd6 6.a3 a5 7.b5 Bg4 8.Qg3=; 5...Nc6 6.a3 Qd6 7.Qd1 Bg4 8.Nf3=; 5...a5 6.b5 Bf5 7.c4 Be4 8.Qh3=; 5...Bf5 6.c4 Be4 7.Qh3 Nc6 8.a3=) 6.Qf4-/+ 0-0 (6...Nc6 7.a3-/+ Bf5 8.c4+=) 7.Be2 (7.Bd3 a5 8.b5+=) 7...Be2 (7...Bf5 8.Nd2-/+) 8.Ne2 c6 (8...Nc6 9.b5 Nb4 10.Kd1=) 9.Nd2 a5 10.Ba3 (10.ba5 Qa5 11.Bc3 Qa6-/+) 10...ab4 11.Bb4 Ra4 12.a3 (12.Bc3 Na6-/+) 12...Na6 13.Bc3 (13.0-0 Nb4 14.ab4 Rb4-/+) 13...e5 (better is 13...Nc5-/+) 14.de5?? (better is 14.Qf3-/+) 14...Rf4–+ 15.ef4 Nh5 (15...Nd7 16.0-0–+) 16.g4 (16.0-0 f6 17.Nf3 fe5 18.fe5 Nf4–+) 16...d4! 17.Bb2 (17.Bd4 Nf4; 17.Nd4 Nf4) 17...d3 18.gh5 de2 19.Ke2 (19.h4 Qd5 20.Rh3 Nc5–+) 19...Qh4 20.hg6 (20.f3 Qf4 21.Ne4 Be5 22.Be5 Qe5–+) 20...fg6 21.Rhg1 (21.Rae1 Qf4 22.Kd1 Rd8–+) 21...Qf4 22.Raf1 Be5 23.Bc1 Nc5 (23...Nc5 24.f3 Qh2 25.Kd1 Na4–+) 0–1. Keelan,Martin J – Pleschke,Helmut, TGT, 1998.

4.h4 0-0 5.Nf3 d6 6.d4 Nc6 7.b5 Nb8 8.c4 Nbd7 9.Nbd2 Re8 10.Qb3 e5 11.0-0-0?? (better 11.de5 de5 12.e4=) 11...ed4 12.ed4 a6 (12...Ng4 13.Re1 Re1 14.Ne1 Nf2 15.Rg1 Qh4 16.Qe3-+) 13.a4? (better 13.ba6 ba6 14.Qc2-/+) 13...ab5 14.ab5 Nb6 (better 14...Ng4-+) 15.Bd3-/+ Na4 16.Ba1 (better 16.Rde1-/+) 16...Nb6 (16...Nc5 17.dc5 Ra1 18.Kc2-+) 17.Bc3 (better 17.Bb2!?=) 17...Be6 18.d5 Bg4 19.Rhe1 Nbd7 20.Re8 Qe8 (20...Ne8 21.Bg7 Ng7 22.Qc3-/+) 21.Re1 Qb8 (better 21...Qd8-/+) 22.Ne4? (better 22.Qb2=+) 22...Ne4-+ 23.Be4 Nc5 24.Qb1?? (better 24.Qc2 f5 25.Nh2 fe4 26.Ng4 Nd3 27.Kd1 Ne1 28.Be1-+) 24...Bc3 25.Re3 Bg7 (25...Bg7 26.Kd2 Ra1-+) 0-1. Gehaktbalmetjus (2155) - crankypawn (2225), Rated Bullet game, lichess.org, 2020.

4.h4 d6 5.h5 Nh5 6.Bg7 Ng7 7.Nf3 (7.Nc3 a6+= (7...h6 8.d4 Nd7+=) 8.Nf3 h6+=; 7.d4 h6 8.Nf3 Bg4+=) 7...e5 (7...h6 8.d4 Bg4+=) 8.Nc3 (8.d4 e4+= (8...ed4 9.Nd4 0-0+=)) 8...c6 (8...0-0 9.Rb1+=; 8...Bg4-/+) 9.d4= Qe7 (9...Nd7 10.Bd3=) 10.d5 (10.Qd3 Bg4=) 10...Nd7+= 11.dc6 bc6 12.b5 Bb7 13.bc6 Bc6 14.Nb5 (14.Bb5 Rc8 15.Bc6 Rc6-/+) 14...Bb5-/+ 15.Bb5 Rd8 16.Qd2 (16.Qd5 0-0-/+) 16...0-0 17.e4 (17.Bd7 Rd7 18.Rb1 Rc8-/+) 17...Ne6 (17...Nf6 18.Bc6–+) 18.Qh6 (18.Bd7 Qd7 19.Kf1 Qb7–+) 18...f6 (18...Nf6!? 19.Kf1–+) 19.Bc4-/+ Rf7 (19...Ndc5 20.Bd5-/+) 20.Nh4 Rg7?? (better is 20...Ndf8 21.Qe3 Qe8-/+) 21.Ng6!+/– Qf7 (21...Rg6 22.Be6; 21...hg6 22.Be6) 22.Qh3 (22.Nh4 Ndc5+/–) 22...Ndc5 23.Nh4+/– Kh8 24.Nf5 Rg6? 25.Rd1 Qb7 26.Nd6 Rd6 27.Rd6 Ne4 28.Rb6?? ab6+= 29.Qe6 Nd6?? 30.Qd6+- (30.Qd6 Qe4 31.Be2+-) 1–0. Chemin,Vitorio – Silva Nazzari,Roberto (2250), Sao Paulo zt, 1972.

4.c3 Nc6

5.Nf3 0-0 6.d4=.

5.Nf3 b5 6.d4 e6 (6...a6 7.a4 ba4 8.Ra4+=) 7.Bd3 Bb7 8.a3 Qe7 9.Nbd2 0-0-0? (9...a6!?+=) 10.0-0 (10.a4 e5 11.ab5 Nb4 12.cb4 e4 13.Ra7 ed3+-) 10...d5 (10...e5 11.Bb5 e4 12.Bc6 Bc6 13.Ne5+-) 11.h3 (11.a4 a6+-) 11...Rhg8 (11...e5 12.Bb5 e4 13.Ne1+-) 12.Qc2 (12.a4 ba4 13.Qa4 a6+-) 12...h5 (12...e5 13.Ne5 Ne5 14.de5+-) 13.Rfe1 (13.a4 ba4 14.b5 Nb8 15.Ra4 Nbd7+-) 13...Nd7 (13...e5 14.Ne5 Ne5 15.de5+-) 14.e4 (14.a4!? a6 15.ab5 ab5 16.Bb5 Rde8+-) 14...de4 15.Ne4 f5 16.Nc5 Nc5+/– 17.dc5 a6+= 18.Rad1 Kb8 19.Be2 Rd1 20.Rd1 Rd8 21.Rd8 Qd8 22.Qd1 Qd1+= 23.Bd1 e5 24.Be2 e4+= 25.Nd4 Nd4 26.cd4 Bd4?? 27.Bd4+- c6 28.Be3 Ka8 29.f3 ef3 30.Bf3 Ka7 31.Bf2 Bc8 32.Bg3 Bb7 33.Kf1 Bc8 34.Ke2 Bb7 35.Bd6 Bc8 36.g4 hg4 37.hg4 fg4 38.Bg2 Bf5 39.Bg3 a5 (39...a5 40.Bc6 ab4 41.ab4 Ka6+-). Fournier,Frederic (2025) – collective (1825), Active Blind, 2008.

5.Nf3 b6 6.d4 Bb7 (6...0-0 7.Bd3=) 7.Bd3+= Nh5 (7...0-0 8.0-0+=) 8.Nbd2 Nb4?? (better is 8...a6+=) 9.cb4+- Bf3 (9...0-0 10.0-0+-) 10.Nf3 (10.gf3?! c5+-) 10...a5 (10...c5 11.bc5 bc5 12.Qa4 cd4 13.Bd4 (worse is 13.ed4 Nf4 14.Bf1 Qb6+-) 13...Bd4 14.Nd4+-) 11.a3 ab4 12.ab4 Ra1 13.Qa1 c5 14.bc5 bc5 15.0-0 Bd4 16.ed4 cd4 17.Bd4 Nf6 18.Bf6 ef6 19.Rd1 Qe7 20.Qb1 Kf8 21.Bc2 Kg7 22.Re1 Qe1 23.Ne1 h5 24.Nf3 h4 25.h3 g5 26.Bf5 d5 27.Kh2 d4 28.Qd3 Re8 29.Nd4 Re5 30.Qe4! Re4 31.Be4 Kh6 32.f3 f5 33.Nf5 (33.Nf5 Kg6 34.Nh4 Kf6 35.Nf5+-) 1–0. Fournier,Frederic (2010) – sunav, Active Blind, 2008.

5.Nf3 d5!?=.

4.Bc4 d5

5.Bb3 0-0 6.d3 c6 7.Ne2 Na6 8.a3 Nc7 9.0-0 Bf5 10.h3 h5 11.Ng3 Qd7 12.Nf5 Qf5 13.Nd2 e5 14.Nf3 e4 15.de4 Ne4 16.Bg7 Kg7 17.Qd4 Kg8 18.c4 Rad8 19.cd5 Nd5 20.Qa7 Ndc3 21.Nd4 Qd7 22.Qa5 Nd2 23.Bf7 Rf7 24.Rfe1 b5 25.Qb6 Nce4 26.Nc6 Rdf8 27.Qb5 Rf2 28.Rad1 Nf3 29.Kh1 Qh3 30.gh3 Rh2 0–1. Abdullaevich (1860) – Six4 (1975), lichess.org, 2017.

5.Bb3 0-0 6.Qf3 Bg4 7.Qf4 Qd7 8.Nf3 Nh5 9.Ne5 Nf4 10.Nd7 Ng2 11.Kf1 Ne3 12.de3 Bf3 13.Rg1 Nd7 14.h4 c5 15.bc5 Nc5 16.Rg3 Nb3 17.ab3 Bb2 18.Ra2 Bf6 19.Rf3 Bh4 20.Nc3 e6 21.Rf4 Be7 22.Nb5 Rfc8 23.c4 dc4 24.Na7 cb3 25.Raa4 b2 26.Nc8 b1Q 27.Ke2 Qc2 28.Kf3 Ra4 29.Ne7 Kf8 30.Nc8 Rf4 31.ef4 Qc8 32.Ke4 f5 33.Ke5 Qc3 34.Ke6 Kg7 35.Ke7 Qc6 36.Kd8 Kf6 37.f3 Qf3 38.Kc7 Qf4 39.Kb7 Qc4 40.Kb6 Ke6 41.Kb7 Qc5 42.Kb8 Qe7 43.Kc8 Kd6 44.Kb8 Kc6 45.Ka8 Qb7# 0–1. arisfire – Trkn, itsyourturn.com, 2000.

4.Qf3 0-0

5.Bc4? d5–+ 6.Bf6 (6.Bd5 Nd5 7.Bg7 Kg7 8.a3–+) 6...Bf6 (6...dc4?! 7.Bg7 Kg7 8.Qe4=) 7.Bd5 c6 (7...Ba1 8.Bb7 Bb7 9.Qb7–+) 8.Bf7 (8.Nc3 cd5 9.d4 e6–+) 8...Rf7 (8...Kf7?! 9.c3–+) 9.d4 Bd4 (9...Bd4 10.ed4 Rf3 11.Nf3 a5–+) 0–1. Pruvost,Alain – Moreau,Luc (1970), Bethune op, 2000.

5.d4=.

5.Nh3 d6 6.Bc4?? (6.a3 Nc6+=) 6...e5?? (better is 6...d5 7.Bb3 Bg4–+) 7.Ng5 (better is 7.Nc3!?+=) 7...d5-/+ 8.Bb3 e4 9.Qe2 c6 10.d3 Bg4 11.f3 ef3 12.Nf3 Qe7 13.0-0 Re8 (worse is 13...Qb4 14.Ba3 Qb6 15.Bf8 Bf8 16.h3 Bf3 17.Rf3+= (17.gf3?! Bc5=)) 14.Nbd2 Qe3 15.Qe3 Re3 16.Rae1 Re1 17.Re1 Kf8 18.Ne5 Be6 19.d4 Nbd7 20.Nd7 Nd7 21.a4 Re8 22.c3 a6 23.Nf3 Bf5 24.c4 Re1 25.Ne1 dc4 26.Bc4 Nb6 27.Bb3 Nd5 28.Bd5 cd5 29.Nf3 Bc2 30.a5 Ke7 31.Kf2 Bh6 32.g3 f6 33.g4 Be4 34.h4 Kd6 35.Ne1? Bd2 36.Ng2 Bb4 37.Ke2 Bg2 38.Kd3 Ba5 39.Ke2 b5 40.Kf2 Be4 41.Ke3 Be1 42.g5 f5 43.Ba3 b4 44.Bb2 a5 45.Kf4 a4 46.Ke3 Bh4 47.Kf4 a3 48.Bc1 Be1 49.Ke3 a2 50.Bb2 Bc3 51.Bc3 bc3 52.Ke2 a1Q 53.Ke3 Qg1 54.Ke2 Qd4 55.Ke1 Qd2 56.Kf1 c2 57.Kg1 c1Q 0–1. Willi_weizenkeim – Dzwonek, playchess.de, 2004.

4.g4 d5

5.g5 Nh5 6.Bg7 Ng7 7.Qc1 0-0 8.h4 e5 9.Be2 d4 10.ed4 ed4 11.Nf3 Re8 12.Qd1 Bg4 13.Kf1 Qd5 14.Rg1 Re2 15.Qe2 Bf3 16.Qd3 Be4 17.Qb3 Qb3 18.cb3 Bd3 19.Ke1 Nc6 20.Rg4 Re8 21.Kd1 Be2 22.Kc1 Bg4 23.Na3 Re1 24.Kb2 Ra1 25.Ka1 Nb4 26.Kb2 Nf5 27.Nc4 Nh4 28.Ne5 Bf5 29.a3 Nd3 30.Nd3 Bd3 31.b4 0–1. Adamkosh (1840) – hefel (1765), lichess.org, 2019.

5.h3 0-0 6.f4 a5 7.b5 c5 8.Nf3 d4 9.Na3 Nd5 10.Nc4 Nd7 11.Rb1 N7b6+= 12.Nfe5 Nc4 13.Bc4 Be5 14.fe5 de3 15.0-0 e6 16.Qf3 b6 17.de3+/– Qg5 18.e4 Qe3 19.Rf2 Qf3 20.Rf3 Ne7 21.Bc1 Bb7 22.Bg5 Be4 23.Rf4 Nd5 24.Re4+- Nc3 25.Rbe1 Ne4 26.Re4 Ra7 27.Kf2 Rd7 28.Ke2 Kg7 29.c3 Re8 30.Re3 h6 31.Bf6 Kg8 32.Bd3 Red8 33.Bd8 Rd8 34.Be4 Kg7 35.Rf3 Rd7 36.Rf6 Re7 37.Bc6 Rc7 38.Rf1 Rc8 39.Rd1 Rb8 40.Rd7 Kf8 41.Rc7 Kg8 42.a4 Kf8 43.Kd3 Rd8 44.Kc4 Rb8 45.Be4 Kg7 46.Rc6 g5 47.Rb6! Rb6 48.Kc5 Rb8 49.b6 f5 50.gf5 ef5 51.Bf5 h5 52.Kc6 Kh6 53.b7 g4 54.hg4 hg4 55.Kc7 (55.Kc7 Rb7 56.Kb7+-) 1–0. Basman,Michael J (2405) – Gelfer,Israel (2300), Ramat Hasharon, 1979.

4.a3 0-0

5.Qc1 b6 6.Nf3 Bb7 7.Be2 d6 8.c4 Nbd7 9.d4 Re8 10.Nbd2 e5 11.d5 a5 12.b5 Nc5 13.Qc2 Bc8 14.Rc1 Bf5 15.Qd1 Bd3 16.Nb3 Be2 17.Ke2 Nfe4 18.Nc5 Nc5 19.h4 f5 20.h5 f4 21.hg6 hg6 22.Qc2 Qf6 23.e4 Kf7 24.Rh2 Rh8 25.Rch1 g5 26.Rh8 Rh8 27.Rh8 Bh8 28.Nh2 Qh6 29.Ng4 Qh1 30.Kf3 Kg6 31.Qc1 Qh5 32.Qg1 Kg7 33.Qh2 Qg6 34.Qh6 Qh6 35.Nh6 Kh6 36.g3 Kh5 37.gf4 gf4 38.Kg2 Ne4 39.f3 Nd2 40.Bc3 Nc4 41.a4 Ne3 42.Kf2 Nd5 43.Bd2 Kg5 44.Kg2 Kf5 45.Kh3 e4 46.fe4 Ke4 47.Kg4 Bf6 48.Kh5 Bc3 49.Kg6 Bd2 0–1. Adamkosh (1905) – Slava_Pashin (2225), lichess.org, 2020.

5.Qc1 e6 6.c4 d5 7.Nf3 Nbd7 8.Be2 c6 9.cd5 cd5 10.0-0 b6 11.Nc3 Bb7 12.Nd4 Rc8 13.Qd1 Re8 14.Rc1 a6 15.Na4 Rc1 16.Qc1 Qc8 17.Nc3 b5 18.a4 ba4 19.Na4 Qc1 20.Rc1 Rc8 21.Nc5 Nc5 22.bc5 Ne4 23.c6 Ba8 24.d3 Bd4 25.Bd4 Nd6 26.Be5 Nb5 27.c7 Na7 28.d4 Bb7 29.Rb1 Nb5 30.Bb5 ab5 31.Rb5 Ba6 32.Ra5 Bc4 33.Ra4 Bb5 34.Rb4 Ba6 35.Rb8 Kf8 36.Bd6 Ke8 37.Rb6 Bc4 38.f3 Kd7 39.Bg3 f6 40.Kf2 h6 41.Ke1 g5 42.Kd2 h5 43.Kc3 h4 44.Bf2 1–0. Adamkosh (1945) – hoom (1800), lichess.org, 2020.

5.c3 a5 6.d4 ab4 7.ab4 d5?? (better 7...Ra1 8.Ba1 d5=) 8.Ra8+- Bg4 9.Ra1 (better 9.f3 Bf5 10.e4 de4 11.g4+-) 9...Bd1–+ 10.Kd1 e5! 11.f3 (11.de5 Ng4 Double attack (11...Ng4 Decoy)) 11...ed4 (11...Re8 12.Ne2–+) 12.ed4 Re8 13.Nd2 c5 14.Kc2?? (14.bc5 Bh6 Combination; 14.dc5 Nc6 Combination) 14...c4 (14...cd4!? 15.cd4 Qe7 16.Bc3–+) 15.Nh3 (15.Ne2 b5–+) 15...Nc6 16.Be2?? (16.g4 Nd7 17.g5 Ne7–+) 16...Nh5 (better 16...Re2 17.g4 Qe8–+) 17.Bd1 (17.Kd1 Qc7 18.g4 Nf6–+) 17...Rf8 (17...Qc7 18.b5 Nd8 19.g4–+) 18.Re1 Nf6 19.Re2 Nd7 20.Kc1 Nb6 21.Bc2 Nc8 22.Rf2 (22.Kd1 b5-/+) 22...Nd6 (22...Re8 23.Kd1–+) 23.Rf1 (23.Re2 Re8 24.Re8 Qe8–+) 23...Nb5 (23...Re8 24.Kd1–+) 24.Kd1 (24.Ba4 Nc3! 25.Bc3 Nd4 26.Bd4 Bd4–+) 24...Nbd4! 25.cd4 Nd4 26.Bd4 Bd4 27.Ra5 Bg7 (27...Qd6 28.g3 Qb4 29.Rd5–+) 28.Nf4 d4 29.Nd5 d3 30.Nc4 dc2 31.Kc2 b5! 32.Ncb6? (32.Rb5 Qe8 Decoy) 32...Qc8?? (better 32...Bd4 33.Rb5 Bb6–+) 33.Nc8+- Rc8 34.Kd3 Rf8 (34...Rb8 35.Ne7 Kf8 36.Nc6+-) 35.Rb5 Bh6 36.Kc4 Bg5 (36...Ra8+-) 37.Ne7! Be7 38.Rc5! Bf6? (38...Bc5 39.bc5 Passed pawn) 39.Re1 (39.b5 Rb8+-) 39...Kg7 (39...Rd8 40.b5 Rd4 41.Kb3+-) 40.Re4 (40.b5 Rb8+-) 40...Ra8 41.Rc6 (41.b5 Bd8+-) 41...Ra1 (41...Ra2 42.g4+-) 42.b5 Rc1 43.Kd5 Rb1 44.Kc5 h5 45.Kb6 (45.b6 Rb2+-) 45...Bg5 (45...Rb2+-) 46.Kc7 (better 46.f4 Bd8 47.Ka6 Rb2+-) 46...Be3?? (better 46...Rb5 47.f4 Bf6+-) 47.Rd4 (better 47.Re3 Rb5 48.h4+-) 47...Rd1?? (better 47...Bd4 48.Rc4 Be5 49.Kc6 Bh2–+) 48.Rd7 (better 48.Rd1 h4 49.b6 Bb6 50.Kb6+-) 48...Rb1 49.Rb6 (better 49.b6 Bf4 50.Kc8 Bh2 51.b7+-) 49...Bb6+- 50.Kb6 Rc1? (better 50...Rb2!?+-) 51.Rc7 Rb1 52.Rc6 (52.Kc6 Rc1 53.Kb7 Rb1+-) 52...h4 53.Kb7?? (better 53.Rc5 Re1 54.Kb7+-) 53...h3 54.b6?? (54.g3 Rb5 55.Rb6-/+) 54...Rb5 (better 54...hg2 55.h3 g1Q–+) 55.Rc7 (better 55.gh3 Rb3+-) 55...Rb2?? (better 55...hg2 56.Rc1 Rb2=) 56.Rf7?? (better 56.gh3 Rh2 57.Rc5+-) 56...Kf7–+ 57.gh3 (57.gh3 Ke6 58.Kc6 Rc2 59.Kb5–+). TwelveTeen (2380) – Gnojnyj (2400), lichess.org, time forfeit, 2018.

5.c4 c6 6.Nf3 d6 7.d4 Bg4 8.Be2 Nbd7 9.Nbd2 Bf3 10.Nf3 Re8 11.0-0 e5 12.de5 de5 13.Qc2 e4 14.Nd2 Qc7 15.Rad1 Ne5 16.Kh1 Neg4 17.g3 Rad8 18.Bg4 Ng4 19.Bg7 Kg7 20.Ne4 Rd1 21.Rd1 Re4 22.f3 Ne3 23.Qe4= Nd1 24.Qd4 Kg8 25.Qd1 Qe7 26.Qd3 Qf6 27.Kg2 Kg7 28.f4 Qb2 29.Kh3 Qf6 30.Qe3 Qf5 31.Kg2 Qc2 32.Kf3 Qf5 33.Qe5 Qe5 34.fe5 f6 35.ef6 Kf6 36.Ke4 Ke6 37.h4 h6 38.g4 b6 39.c5 b5 40.h5 g5 41.Kd4 Kf6 42.Ke4 Ke6 43.Kd4 a6 44.Ke4 Kf6 45.Kd4 Ke6 46.Ke4 Kf6 47.Kd4 Ke6 ½–½. Fournier,Frederic (1805) – arica73 (1735), Active, 2008.

5.c4 d5 6.cd5 Qd5 7.Nf3 Nc6 8.Nc3 Qd6 9.Bc4 e5 10.Qb3 Bg4 (10...e4 11.Ng5 Qe7 12.f3 ef3 13.Nf3= (worse 13.gf3 Nd4 14.Qd1 h6-/+)) 11.Ng5+= Nd8 12.h3 Bd7 13.0-0-0 (13.0-0 Ne6 (13...Qd2?? 14.Rfd1 Qd1 15.Rd1+-) 14.Nge4 Ne4 15.Ne4 Qe7+=) 13...h6 (13...Ne6 14.Ne6 Be6 15.d4 ed4 16.Rd4=+) 14.Nge4 Ne4 15.Ne4 Qe7 16.Kb1 (16.d4 ed4 17.Bd4 Bd4 18.Rd4 Bc6=) 16...a5=+ 17.g4 (17.b5 c6=+) 17...ab4 18.ab4? (better 18.Qb4!? Qe8 19.d3=+) 18...Bc6 (18...Ba4 19.Qc3 Bd1 20.Rd1-+) 19.Bd5 (19.Bd3 Ba4 20.Qc4 Bd1 21.Rd1 Ne6-+) 19...Bd5 (19...Ba4 20.Qc3 Bd1 21.Rd1-+) 20.Qd5 c6?? (better 20...Qb4 21.d3 Nc6-/+) 21.Qb3 Ne6 22.h4 Nc7 23.g5 (23.h5 g5=+) 23...h5-/+ 24.f4 (24.Rc1 Ra6-/+) 24...Nd5 (better 24...ef4 25.Bg7 Qe4 (worse 25...Kg7 26.Qb2 f6 27.Nf6 Rf6 28.gf6 Qf6 29.Rhf1+=) 26.d3 Qe3-+) 25.b5?? (better 25.f5 gf5 26.Ng3 Qb4 27.Qb4 Nb4 28.Nh5=+) 25...ef4-+ 26.Bg7 Qe4 (26...Kg7!? 27.Nf6 Nf6 28.gf6 Qf6 29.Qb2 Qb2 30.Kb2 cb5 31.ef4-+) 27.d3 Qe3 28.Bf8 Rf8 29.Rhe1 Qd4 30.Kc2? (30.Qb2 Qa4 31.bc6 bc6-+) 30...Ra8 (30...cb5 31.Re4 Rc8 32.Kd2 Qf2 33.Re2-+) 31.Qb2 (31.Re4 Nb4!! 32.Kd2 Qf2 33.Re2 Qg3-+) 31...Ne3 (better 31...Ra2 32.Qa2 Nb4 33.Kb3 Na2 34.Ka2 Qa4 35.Kb2 Qb5 36.Kc2 Qc5 37.Kb3-+) 32.Re3 (32.Kb1 Qd5 33.Rd2 cb5 34.Rc1-+) 32...Qe3 33.Rd2 (33.bc6 bc6 34.Qb3-+) 33...cb5 34.Kb3 Qe6 35.Kc2 Rc8 36.Kb1 Qe1 37.Ka2 Ra8 38.Kb3 Qe6 39.Kc2 Rc8 40.Kb1 f3 41.Qf6 Qf6 (41...Qe1 42.Ka2 Qd2 43.Qb2 Rc2 44.Qc2 Qc2 45.Ka3 f2 46.Kb4 f1Q 47.Kb5 Qfb1 48.Ka5 Qca2) 42.gf6-+ Rc6 (42...Re8 43.d4 Re2 44.Rd3-+) 43.Rf2 Rf6 44.Kc2 Rf4 45.Kd2 f6 46.Rf1 (46.Ke1 b4-+) 46...g5 47.Ke3 Rf5 48.Rf2 (48.Kf2 g4 49.Rc1-+) 48...g4 49.Rh2 Re5 (49...g3 50.Rh3 Kf7 51.Rh1 f2 52.Ra1 g2 53.Ke4 f1Q 54.Kd4 Qa1 55.Ke3 Qe1 56.Kd4 g1Q) 50.Kf2 Kf7 (50...Re2 51.Kg3 Rh2 52.Kh2 b4 53.Kg3 b3 54.Kf4 f2 55.Ke4 f1Q 56.Kd5 Qd3 57.Kc5 b2 58.Kb6 b1Q 59.Ka7 Qd4 60.Kb8 Qbb6 61.Kc8 Qdd8) 51.Kg3 Rd5 (better 51...Ke6 52.Rh1 Re2 53.Rc1-+) 52.Rf2 (52.Rd2 Ke6 53.d4 Rf5-+) 52...Rd4 (52...Rd3 53.Rb2 Kg6 54.Rb5 Rd2-+) 53.Rf1 (53.Rd2-+) 53...Rd3 54.Kf2 Rd2 55.Kg3 Re2 56.Kf4 Rg2 57.Rf2 Rf2 58.Kg3 (58.Ke4 Re2 59.Kd3 g3 60.Kd4 g2 61.Kc5 g1Q 62.Kb4 Qd4 63.Ka5 f2 64.Kb5 Re5) 58...Re2 (58...Rd2 59.Kf4 f2 60.Ke3 f1N 61.Kf4 Rd4 62.Kf5 Ne3) 59.Kf4 Re5 (59...f2 60.Kg3 f1N 61.Kf4 Re3 62.Kf5 Nd2 63.Kf4 Rf3) 60.Kg3 Rd5 (60...b4 61.Kf2 b3 62.Kg1 Re2 63.Kf1 b2 64.Kg1 b1Q) 61.Kf2 b4 62.Kg3 b3 63.Kf4 b2 64.Kg3 (64.Ke4 Re5 65.Kd4 f2 66.Kc3 b1Q 67.Kc4 Qb2 68.Kd3 f1Q) 64...b1Q 65.Kf2 (65.Kh2 Rd4 66.Kg3 Qg1) 65...Qc2 (65...Rd4 66.Kg3 Qg1) 66.Kg3 (66.Ke3 Qb2 67.Kf4 Qe5) 66...Qg2 (66...Qe2 67.Kf4 Qe5) 67.Kf4 (67.Kf4 f2 68.Ke3 Qf3). allyouneedisluft (2610) - Metamorfos (2535), Rated Bullet game, lichess.org, 2016.

5.c4 Nh5 6.Bg7+= Ng7 7.Nc3 c6 8.Nf3 d5 9.d4 dc4 10.Bc4 b5 11.Bd3 a6 (11...a5 12.0-0+=) 12.Rb1 (12.a4 Bf5+/-) 12...Nd7 (12...Bg4!?+=) 13.0-0 Nb6 14.e4 (14.Ne5!?+/-) 14...Be6 (better 14...Bg4 15.Be2 Bf3 16.Bf3 Nc4+=) 15.Ne5?? (15.Qc2 a5+=) 15...Qc8?? (better 15...Qd4 16.Nc6 Qc3 17.Ne7 Kh8-+) 16.Be2 f6 17.Nd3 Bc4 18.Nc5 Be2 19.Qe2 Nc4 20.a4 e5 21.Rbd1 (21.d5 Nh5+/-) 21...ed4 (21...Ne6 22.Ne6 Qe6 23.Rd3=) 22.Rd4 Ne6 23.Ne6 Qe6 24.Rfd1 Rfe8 25.f4 (25.Qa2 f5+=) 25...Re7 (25...Qe7!? 26.Rb1 Kg7=) 26.a5+= Rae8 27.Qf2 (27.Na4 ba4 28.Rc4 Rd7+=) 27...Qf7 28.h3 f5 29.e5 Qf8 (29...g5 30.Ne2=) 30.Nb1 (better 30.Qh4+=) 30...Ne5 (better 30...Re6 31.Nd2 Qb4 32.Nc4 c5+=) 31.fe5+- Re5 32.Nc3 R5e7 (32...c5 33.bc5 Qc5+/-) 33.Rd6 (better 33.Qh4+-) 33...Qf6?? (better 33...Re1! 34.Re1 Re1 35.Qe1 Qd6+=) 34.Rf6+- Re2 35.Ne2 Rf8 (35...c5 36.Qc5 Kh8 37.Rd7 Kg8 38.Qd5 Kh8 39.Qe5 Re5 40.Rf8) 36.Rf8 Kf8 37.Qe3 Kg7 (37...Kf7 38.Rd7 Kf8 39.Qe7 Kg8 40.Qd8) 38.Nf4 (38.Rd7 Kf8 39.Qe7 Kg8 40.Qd8) 38...Kh6 (38...Kf6 39.Rd7 Kg5 40.Nd5 f4 41.Qf4 Kh5 42.Rh7) 39.Rd7 (39.Ne6 f4 40.Qf4 Kh5 41.Qg5) 39...Kg5 40.Ne6 Kh5 (40...Kf6 41.Qd4 Ke6 42.Qd6) 41.Qg5 (41.Rh7) 1-0. opperwezen (2550) - GeorgianMan (2280), lichess.org, 2017.

5.Bd3 d5 6.Nf3=+.

5.Bd3 e6 6.c4 (6.Ne2 d5=) 6...d5 (6...d6 7.Ne2=) 7.c5 (7.Nf3 Re8=) 7...Nc6 (7...Nbd7 8.Nf3=+) 8.Qc2 (8.Nf3 Qe7 9.b5 Nb8=) 8...Ng4 (8...a6 9.Nf3=) 9.Bg7 Kg7 10.Qc3 (10.Nf3 a6=) 10...e5 (10...d4!? 11.ed4 Nd4-/+ (11...Qd4?! 12.Nf3 Qf6 13.Qf6 Nf6 14.b5=)) 11.Nf3 Qf6 12.b5 d4 13.ed4 ( 13.Qb2!? Ne7 14.h3+=) 13...Nd4 (13...ed4 14.Qb3 Re8 15.Kf1–+) 14.0-0?? ( 14.Be4-/+) 14…Qf4–+ (15.Kh1 Nf3–+; 14...Nf3?! 15.gf3 Qf3 16.Bc2-/+) 0–1. Guest9628 – Wall,Bill, internet, 2005.

5.d4 (--> 4.d4 0-0 5.a3).

5.Be2 d6 6.h4 h5 7.Nh3 (7.Nf3 a5=) 7...e5 8.Ng5 Nbd7 9.g4 hg4 10.Bg4 Ng4 11.Qg4 Nf6 12.Qg2 Re8 13.Nc3 d5 14.h5 d4 (better 14...gh5!? 15.0-0-0 Qd7=) 15.hg6+= fg6 16.Nce4 Bf5 17.0-0-0 (17.Nf6 Qf6 18.Qd5 Be6 19.Ne6 c6+=) 17...d3 (17...Ne4 18.Ne4 d3 19.Rdg1 dc2 20.Nc5+= (20.Kc2?! a5=)) 18.Rdg1 (better 18.Nf6!? Bf6 19.Nh7+/-) 18...Ne4= 19.Ne4 Qd7? (better 19...dc2 20.Nc5 e4+=) 20.Nc5+- Qf7 21.e4 (21.cd3 b6 22.e4 bc5 23.ef5 cb4 24.Qg6 Qg6 25.Rg6 ba3+-; 21.Nd3?! e4 22.Qh2 Bb2 23.Nb2 Qa2+-) 21...Qc4 (21...Be6 22.Qg6 Qg6 23.Rg6+-) 22.Bc3 (22.Nd3?! Qe4 23.Qh2 Qc6 24.Qh7 Kf8+=) 22...Be4 (22...dc2 23.ef5 Qa2 24.d3 Qa3 25.Kd2 c1Q 26.Rc1 Qa2 27.Rc2+-) 23.Qe4 Qe4 24.Ne4 dc2 (24...Re6 25.Nc5 Rc6 26.Nd3+-) 25.Kc2 (25.Rg6 Kf7 26.Rg5 Re6+-) 25...Re6 26.Rh2 (26.Nc5 Rb6+-) 26...b6 (26...Rb6 27.Rgh1+-) 27.Rhg2 a5 28.Rg6 Rg6 29.Rg6 Kh7 (29...Kf7 30.Rc6 ab4 31.Rc7 Ke6 32.ab4+-) 30.Rc6 ab4 31.ab4 Ra7 32.b5 Kg8 33.Kd3 Kf7 34.Kc4 1-0. black_bishop_88 (2660) - Gonest1998 (2465), Lichess Quarantε³ne-Bundesliga2 Team Ba, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

5.Nf3 a6 6.d4 b5 7.Bd3 Bb7 8.Nbd2 d6 9.c4 bc4 10.Bc4 Nbd7 11.Be2 c5 12.dc5 dc5 13.bc5 Nc5 14.0-0 Nfe4 15.Bg7 Kg7 16.Ne4 Ne4 17.Qd4 Qd4+= 18.Nd4 e5 19.Nf3 f6 20.Rfd1 Nc3 21.Re1 Ne2 22.Re2 Bf3 23.gf3 Rab8 24.Rd2 Rf7 25.Kg2 Rb3 26.a4 Rfb7 27.Rd6 R7b6 28.Rd7 Kh6= 29.a5 Rc6 30.Rad1 Rb5 31.R1d5 Rcc5 32.Rc5 Rc5 33.Rd6 Ra5 34.Rf6 Ra2 35.Re6 a5 36.Re5 a4 37.Ra5 a3 38.f4 Ra1 39.Kf3 a2 40.h3 Rh1 41.Ra2 Rh3 42.Kg2 Rh5 43.e4 Rc5 44.Re2 Kg7 45.e5 Kf7 46.Kg3 Ke6 47.f3 Rc4 48.Rh2 h5 49.Re2 Rc1 50.Rg2 Kf5 51.Kh4?? Re1?? 52.Rg5?? Kf4–+ 53.Kh3 Kf3 54.Kh2 Kf4 55.Rg6 Re5 56.Rf6 Kg5 57.Ra6 Re3 58.Ra5 Kg4 59.Ra4 Kf5 60.Rh4 Kg5=+ 61.Ra4 h4 62.Ra5= Kf4 63.Ra4 Re4 64.Re4 Ke4 65.Kh3 Kd3 66.Kh4 ½–½. Fournier,Frederic – Disco8BCN, Active, 2009.

5.Nf3 a6 6.d4 d5 7.Bd3 Nc6 8.Nbd2 Re8 9.0-0 e5 10.de5 Ng4 11.c4 dc4 12.Nc4+= Nge5 13.Nce5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Be2 Qd1 17.Rfd1 Bf5 18.Bf3 Be4 19.Be4 Re4 20.Rd7 Rc8 21.Rc1 Kf8 22.Rcc7 Rc7 23.Rc7 b5 24.Rc6 Re6? 25.Re6+- fe6 26.f4 Ke7 27.e4 Kd6 28.Kf2 e5 29.g3 ef4 30.gf4 Kc6 31.Ke3 Kb6 32.Kd4 a5 33.Kd5 ab4 34.ab4 Kc7 35.e5 1–0. Fournier,Frederic (1700) – JuditPolgar, Active, 2007.

5.Nf3 a6 6.Be2 d5 7.d3 Bg4 8.0-0 Nc6 9.Nbd2 e6 10.c4 Ne7 11.cd5 Ned5 12.Rc1 c6 13.h3 Bf3 14.Nf3 a5 15.ba5 Ra5 16.d4 Ne4 17.Nd2 Nd2 18.Qd2 Ra8 19.Bf3 Bh6 20.Qc2 Qh4 21.Rce1 f5 22.Qb3 b5 23.Qc2 Rac8 24.Kh2 g5?? 25.g3+- Qh3 26.Kh3 g4 27.Kg2 gf3 28.Kf3 1–0. exp2005 – fanuefa (1635), kurnik, 2011.

5.Nf3 Nc6 6.Be2 Rb8 7.d4 b6? 8.c4?? Bb7? 9.Nbd2?? d6 10.0-0 e6 11.Qc2 a5 12.b5 Ne7 13.Rfe1 c6 14.Rac1 cb5 15.cb5 d5 16.e4?? de4=+ 17.Ne4?? Ne4 18.Bd3 Nf6 19.Ne5 Ned5 20.Be2 Nh5 21.Bf3 f6 22.Nd3? e5! 23.de5 fe5 24.Bh5 gh5 25.Rcd1 Kh8 26.Nc1? Nf4 27.Rd8+- Rbd8 28.Qb3?? Bg2 0–1. Fournier,Frederic (1885) – clara659 (1665), Active Blind, 2008.

5.Nf3 Nd5 6.c4?? Bb2=+ 7.Ra2 Ba3! 8.cd5 Bb4 9.Rb2 Bd6 10.Nc3 c6 11.dc6 Nc6 12.Bc4 Ne5 13.Ne5 Be5 14.d4 Bg7 15.0-0 d5 16.Nd5 b5 17.Rb5 Ba6 18.Rc5 Bc4–+ 19.Rc4 Qd5 20.Qc2 a5 21.Ra1 e5 22.Rc5 Qe6 23.de5 Be5 24.Raa5 Ra5 25.Ra5 Rc8 26.Rc5 Rc5 27.Qc5 Bg7 28.g3 Bf8 29.Qc2 Kg7 30.Kg2 f5 31.Qc3 Kg8 32.Qd3 Qe4 33.Qe4 fe4 34.f3 ef3 35.Kf3 Kg7 36.h4 Bd6 37.g4 h6 38.e4 Be5 39.h5 g5 40.Ke2 Kf6 41.Kd3 Ke6 42.Kc4 Kd6 43.Kb5 Bf4 44.Kc4 Ke5 45.Kd3 Bc1 (45...Bc1 46.Kc2 Ke4–+) 0–1. Fournier,Frederic – ags (1640), Active, 2008.

5.Nf3 Re8 6.d4 d6 7.c4 Nbd7 8.Bd3 e5 9.de5 de5 10.Be2 e4 11.Nd4 b6?? 12.Nd2 c5=+ 13.bc5 bc5 14.Nc2 Bb7 15.0-0 Qc7 16.Rb1 h5 17.f3 ef3 18.Bf3 Bf3 19.Nf3 Rad8 20.Qe2 Ne4 21.Bg7 Kg7 22.Rbd1?? Ndf6 23.Rd8= Rd8 24.Rd1?? Ng4 25.h3?? Rd1 26.Qd1=+ Ngf2 27.Qa1 Kg8 28.Qe5 Qb6 29.Qe8 Kg7 30.Qe5 Kh7 31.Nce1 Qb1 32.Kf1 Nh3?? 33.gh3+- f5?! 34.Ng5 Kh6?? 35.Ne4 fe4? 36.Qf4 Kg7 37.Qc7 Kf6 38.Qc5 Qb2 39.Qd4 Qd4 40.ed4 g5 41.Kf2 g4 42.hg4 hg4 43.Kg3 Kf5 44.Ng2 a5 45.a4 e3 46.Ne3 Ke4 47.d5 Ke3 48.d6 Kd4 49.d7 Kc4 50.d8Q Kb4 51.Qd4 Ka3 52.Qg4 Ka2 53.Qc4 (53.Qc4 Ka3 54.Qb5 Ka2 55.Qa5 Kb3 56.Qb5 Kc3 57.Qc5 Kb3 58.a5 Ka2 59.a6 Kb3 60.a7 Kb2 61.a8Q Kb1 62.Qb7 Ka2 63.Qa5) 1–0. Fournier,Frederic (1725) – kaliman, Active, 2007.

5.Nf3 Ne8 6.d4 d5 7.Nbd2 c6 8.Bd3 b5 9.0-0 a5 10.Ne5 a4 11.f3 (11.e4 Nd6+=) 11...Nd6 12.Qe2 f6 13.Ng4 f5 14.Ne5 Nd7 (14...Qc7 15.e4+=) 15.e4 (15.Nc6 Qe8+/-) 15...de4 (15...Ne5!? 16.de5 Qb6 17.Kh1 Nc4 18.Bc4 bc4 19.ed5 cd5=+) 16.fe4 (16.Nc6!? Qb6 17.Ne7 Kf7 A) 18.fe4?! Bd4 (worse 18...Ke7 19.e5+/-) 19.Bd4 Qd4 20.Kh1 Ke7=; B) 18.Nc8 Bd4 19.Bd4 Qd4 20.Kh1 Rac8 21.fe4+/-) 16...Ne5+= 17.de5 Ne4 18.Ne4 fe4 19.Be4 (19.Rf8 Qf8 20.Qe4 Bd7+/-) 19...Be6 (19...Qb6 20.Kh1 Be6 21.Bd3=) 20.Kh1 (20.Rf8 Bf8 21.Rd1 Qc7+=) 20...Qb6 21.Rf8 Rf8 22.Rf1 Rf1 23.Qf1 Bd5 24.Bd5 cd5 25.Qd3 e6 26.h3 Qc6 27.Bd4 Qc4 28.Qc4 (28.Qd2 Qf1 29.Kh2 Qf5=+) 28...dc4 (28...bc4?? 29.b5 Bf8 30.b6+-) 29.c3? (better 29.g4!? Bh6 30.Bb2=+) 29...h5 30.g4 hg4 31.hg4 Kf7?? (31...Bh6 32.Kg2-+) 32.Kg2?? (better 32.g5=) 32...Bh6-+ 33.Kf3 Bc1 34.Ke4?? (better 34.Ke2-+) 34...Ba3 35.Be3 (35.Ke3 Bc1 36.Ke2 a3-+) 35...Bb2 36.Kd4 a3 37.Bc1 Bc1 (37...Bc1 38.Ke4 a2 39.Kf3 a1Q 40.g5 Qc3 41.Kg2 Qd2 42.Kf3 Qh2 43.Kg4 Qg2 44.Kh4 Bg5) 0-1. blitzbullet (2675) - OhanyanEminChess (2745), Rated Bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3)

5.Nf3 Ng4 6.Be2?? Bb2–+ 7.Ra2 Bg7 8.0-0 Nf6 9.h3 b6 10.c4 Bb7 11.Nc3 d6 12.d4 Nc6 13.d5 Nb8 14.Nd4 c5 15.bc5 dc5 16.Nf3 Nfd7 17.e4 Bc3 18.Qc2 Bg7 19.Bd3 Ne5 20.Nd2 Nd3 21.Qd3 Nd7 22.f4 e5 23.f5 Re8 24.Qg3 Nf6 25.Rf3 Nh5 26.Qg4 Nf4 27.g3 h5 28.Qh4 Qh4 29.gh4 a5 30.fg6 fg6 0–1. Fournier,Frederic – dukebreizh, Active (5/0), 2005.

5.Nf3 Nh5 6.c4?? Bb2–+ 7.Nc3 (7.Ra2 Bg7 8.d4–+) 7...Ba1 8.Qa1 d6 9.Nd5 (9.d4 a5 10.b5 Nf6–+) 9...e6 (9...Ng7 10.d4–+) 10.Nc3 Qf6 (10...e5 11.Be2–+) 11.Be2 Ng7 (11...Qd8 12.d4–+) 12.0-0 Nf5 (12...a5 13.b5–+) 13.Qc1 (13.d4 a5 14.b5 Nd7–+) 13...Qg7 (13...a5 14.b5–+) 14.d4 Qh6 (14...e5 15.c5 Bd7 16.Nd5–+) 15.Bd3 (15.e4 Qc1 16.Rc1 Ne7–+) 15...Nh4 16.h3 (16.Nh4 Qh4 17.Nb5–+) 16...Nf3 17.gf3 Qg5 (17...e5 18.Nd5–+) 18.Kh2 e5 (18...Qh4 19.Nb5 Na6 20.Kg2–+) 19.Rg1 Qh4 20.Rg3 f5 21.Qg1 (21.f4 ef4 22.ef4 a5–+) 21...f4 22.ef4 ef4 23.Rg4 Bg4 24.Qg4 (24.fg4 Nc6 25.Nb5 Qe7–+) 24...Qg4 (better 24...Qf2 25.Qg2 Qd4 26.Qd2–+) 25.fg4 Nd7 (25...Nc6 26.Nb5 Rf7 27.Be4–+) 26.Be4 (26.Nb5 a5 27.Nc7 ab4 28.ab4 Ra2–+) 26...c6 27.d5 (27.g5 Rae8–+) 27...Rac8 (27...Ne5 28.c5–+) 28.dc6 bc6 29.c5 (29.b5 Ne5 30.bc6 Nc6 31.Bd5 Kg7–+) 29...d5 (29...dc5!? 30.g5–+) 30.Bc2 Nf6 (30...Ne5 31.Bb3–+) 31.Ba4 (31.Ne2 Ne4 32.f3 Nd2–+) 31...Ne4 (better 31...Rfe8–+) 32.b5 (32.Ne2 f3 33.Nd4–+) 32...Nc3 33.Bb3 Nb5 (better 33...cb5 34.g5 Rc5 35.Bc2–+) 34.a4 Nd4 35.Bc2 Nc2 36.Kg2 Nb4 37.Kf1 d4 38.Ke2 Rcd8 39.Kd2 d3 40.Kc3 f3 (40...d2 41.g5 d1Q 42.Kb4 Qd2 43.Kc4 Rb8 44.a5 Rb4) 41.Kd2 (41.Kb2 d2 42.g5 d1Q 43.Ka3 Rd3 44.Kb4 Qd2 45.Kc4 Rf4) 41...Rfe8 42.Kc3 Re2 Black prepares the advance d2 43.Kb4 Rf2 (43...a5 44.Kc4 d2 45.g5 d1Q 46.h4 Qd3) 44.Ka5 (44.g5 a5 45.Kb3 d2 46.Kc4 d1Q 47.h4 Qd3) 44...Re8 (44...Rb8 45.Ka6 Ra2 46.Ka7 Rb1 47.a5 Ra5) 45.Ka6 d2 46.Ka7 (46.Ka5 d1Q 47.Ka6 Rb2 48.a5 Re7 49.g5 Qd3) 46...d1Q 47.Kb7 (47.a5 Re7 48.Kb6 Rb2 49.Kc6 Qd7) 47...Qd7 48.Kb6 Ree2 (48...Rb2 49.Ka5 Ra8) 49.Ka5 (49.Ka6 Qc8 50.Ka7 Rb2 51.a5 Qb7) 49...Ra2 (49...Qd8 50.Ka6 Rb2 51.a5 Qa8) 50.Kb4 (50.h4 Qa7 51.Kb4 Qa4 52.Kc3 Ra3) 50...Rfb2 (50...Rab2 51.Kc4 Rfc2) 51.Kc4 Ra4 (51...Ra4 52.Kc3 Qd4) 0–1. Markzela (1640) – jasonpsweeney (1610), lichess.org, 2020.

5.f4 b6 6.Qf3 d5 7.d3 Bg4 8.Qg3 c5 9.Nd2 Qd7 10.h3 Be6 11.Qh4 Qa4 12.bc5 Qc2 13.cb6 ab6 14.Rb1 Ne4 15.de4 Bb2 16.Qe7? de4 17.Ne2 Nc6 18.Qb7 Rfd8 19.Rb2 Qb2 20.Qc6 Qd2 21.Kf2 Ra3 22.Qb6 Bc4 23.f5 Ra2 24.Kg3 Rd6 25.Qb8 Kg7 26.Kh2 Be2 27.f6 0–1. Hofstetter,Hans Joachim – Kuempers,Ulrich, Bayern–chB Bad Neustadt, 1992.

5.f4 Nh5 6.Nf3?? (better 6.Bg7 Ng7 7.Nf3=) 6...Bb2-+ 7.Ra2 Bg7 8.Be2 d6 9.0-0 Be6 10.d4 (10.c4-+) 10...Ba2 11.Nc3 Be6 12.d5 (12.Ng5 Nf6-+) 12...Bd7 13.e4 (13.Qd3 Nf6-+) 13...Nf4 (13...Bc3 14.Ng5 Ng7 15.Qd3-+) 14.Bc4 (14.Qd2 Bh6 15.Qe1 a5-+) 14...Bc3 15.Bb3 Bg7 (15...a5 16.ba5 Bb5 17.Rf2-+) 16.Ng5 e5 17.de6 Qg5 18.Rf4 Qf4 19.ed7 Nd7 20.h3 Be5 21.Qd5 Qh2 (21...Qe3 22.Kf1 Bg3 23.Qd2 Qd2 24.Bf7 Rf7 25.Kg1 Qd1) 22.Kf1-+ Qh1 23.Kf2 Nf6 (23...Bc3 24.Bc4 Qe1 25.Kf3 Ne5 26.Qe5 de5 27.g3 Bd4 28.h4 h5 29.Bf7 Rf7 30.Kg2 Rf2 31.Kh3 Qf1) 24.Qb7 Rab8 25.Qc7 Ne4 26.Ke3 (26.Ke2 Qg2 27.Ke3 Qf2 28.Ke4 Qe2 29.Kd5 Qf3 30.Kc4 Qe4) 26...Qg2 (26...Qe1 27.Kf3 Nd2 28.Kg4 Qg3) 27.Qa7 d5 (27...Nc3 28.Qf7 Rf7 29.Bf7 Kf7 30.a4 Qe2) 28.Bd5-+ Qc2 (28...Rbe8 29.Be4 Bf4 30.Kd4 Qe4 31.Kc3 Rc8 32.Qc5 Be5 33.Kb3 Rc5 34.c4 Qc4 35.Ka4 Ra8) 29.Bf7 Rf7 30.Qb8 (30.Qf7 Kf7 31.Kf3 Qd3 32.Kg2 Qg3 33.Kf1 Qf2) 30...Kg7 (30...Bb8 31.Kd4 Rd7 32.Ke3 Qd3) 31.Qe5-+ Nf6 32.h4 Qc7 (32...Rd7 33.Qc3 Qc3 34.Kf4 Rd4 35.Kg5 Qe3) 33.Qc7 Rc7 34.a4 (34.Kd4 Ra7-+) 34...Nd5 35.Kd4 Nb4 36.a5 Na6 37.Kd5 (37.h5 gh5 38.Ke5 Rf7-+) 37...h6 38.Kd6 g5 39.hg5 hg5 40.Ke6 g4 41.Ke5 g3 42.Ke4 (42.Kf5 Re7 43.Kg5 g2 44.Kg4 g1Q 45.Kf4 Qf2 46.Kg4 Re4 47.Kg5 Qc5) 42...g2 43.Kd5 (43.Ke3 g1Q 44.Kf3 Rc3 45.Ke4 Re3 46.Kd5 Qc1 47.Kd6 Qc5 48.Kd7 Qc7) 43...g1Q 44.Ke5 (44.Ke4 Re7 45.Kd3 Re3 46.Kc4 Qg5 47.Kd4 Qc5) 44...Re7 45.Kd6 (45.Kf4 Qf2 46.Kg4 Re4 47.Kg5 Qc5) 45…Qc5 0-1. Fafachrie3557 (2215) - almasssss (2260), Rated Bullet game, lichess.org, 2021.

5.g4 h6 6.h4 e5 7.g5 hg5 8.hg5 Nh5 9.Bh3 (9.Qg4 d5 10.Qh4 Bf5+=) 9...d5 (9...Qg5 10.Nc3=) 10.Be5?? (better 10.Bc8 Qc8 11.Nc3+=) 10…Be5-+ (10...Be5 11.d4 Bd6 12.Bc8 Qc8-+) 0-1. EvgeniyR (1635) - Reshetkov_Kirill (2675), Hourly Bullet Arena, lichess.org, 2018.

5.h4 d6 6.Be2 Nc6 7.c4 e5 8.Nf3 (8.Nc3 Qe8=) 8...Bg4 (8...e4 9.Nh2+=) 9.d4 (9.b5 Nb8+=) 9...ed4+= 10.Nd4 Be2 11.Qe2 Qd7 12.Nf3 (12.Nd2 Ng4 13.0-0 Nce5=) 12...Rfe8 13.Nbd2 Re7 14.Rd1 (14.0-0 Nh5 15.Rfb1 a6=) 14...Rae8 15.Nh2 (15.Bf6 Bf6 16.h5 Qg4=) 15...a6 (15...Ne4 16.Bg7 Kg7 17.Ne4 Re4 18.Nf3+=) 16.Bf6 Bf6 17.Ndf3 Qf5 (17...Bc3 18.Kf1 h5+=) 18.Qd3? (better is 18.0-0!?=) 18...Qd3-/+ 19.Rd3 Ne5 (better is 19...Re4!?-/+) 20.Ne5= Re5 21.Nf3 (21.Ng4!? R5e6 22.Nf6 Rf6 23.Ke2=) 21...Re4+= 22.Nd2 Rh4 23.Rh4 Bh4 24.c5 dc5 25.bc5 Kg7 26.Rb3 b6 27.cb6 cb6 28.Rb6 Re3-/+ 29.Kf1 Ra3 30.f3 a5–+ 31.Ne4 Ra1 32.Ke2 Be1 33.Ra6 Bb4–+ 34.Ra7 h6 35.Kd3 Rc1 36.Nd2?? Bd2 37.Kd2 Rc5 38.Ra6 h5 39.Ke3 Kh6 40.Kf4 Rc4 41.Ke5 a4 42.f4 Rc2 43.Kf6 h4 44.Kf7 Rg2 45.f5? h3 46.fg6 Rf2 47.Kg8?? h2–+ 48.g7 Kg5 49.Ra5 Rf5 50.Ra4 h1Q 51.Rg4 Kh5 52.Rg6 Qa8 53.Kh7 Rf7 54.Rg5 Kh4 55.Rh5 Kg4 (55...Kg4 56.Rg5 Kf4 57.Rg1 Qa6 58.Rc1 Qe2 59.Ra1 Rb7 60.Ra4 Ke5 61.Ra5 Kf6 62.Ra6 Qa6 63.Kh6 Qc4 64.g8N Qg8 65.Kh5 Rh7) 0–1. Romero,Daghmar – Caniza Villalba,Jessica M, Pan American–ch U14 Girls, 2001. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

5.c4 b6

6.Nc3 Bb7 7.Rc1 d6 8.Nf3 Nbd7 9.Be2 e5 10.0-0 d5 11.cd5 Nd5 12.Nd5 Bd5 13.Qc2 c5 14.bc5 Nc5 (14...e4!? 15.Bg7 Kg7+=) 15.Be5+/– Bf3 16.Bg7?? (better is 16.Bf3 Be5 17.Ba8+/–) 16...Be2-/+ 17.Bf8 Qf8 18.Rfe1 Bh5 (better is 18...Ba6!? 19.Ra1 Nd3-/+) 19.d4 Ne6 20.h3 g5 (worse is 20...Qa3 21.g4 Qa5 22.Qe4+-) 21.Qf5 Bg6 22.Qg4 h5 23.Qf3= Re8 24.Rc6?? Kg7?? 25.Rec1 Kh6 26.d5 Nc5 27.Qf6 Qg7 28.Qd6 Kh7 29.Qc7+= Qb2 30.Re1?? Qg7?? 31.Qa7+/– Ne4 32.Qb6+- Rg8 33.Rc7 Nf6 34.Rec1?? Ne8?? 35.R7c6 h4 36.d6 Be4 (36...Be4 37.d7 Bc6+-). lican – kenez55, kurnik, 2012.

6.Nc3 Bb7 7.Nf3 d6 8.Be2 Nbd7 9.0-0 c6 10.d4 Qc7 11.Bd3 c5 12.d5 cb4 13.ab4 a5 14.ba5 Ra5 15.Ne4 Ra1 16.Qa1 Ne4 17.Bg7 Ra8 18.Qd4 e5 19.Qe4 Kg7 20.h4?? Nf6–+ 21.Ng5 Ne4 22.Be4 h6 23.Nf3 Qc4 24.Bb1 Bd5 25.Nd2 Qg4 26.f3 Qh4 27.e4 Bc4! 28.Rc1 Be6 29.Rc6 Rc8 30.Rc8 Bc8 (30...Bc8 31.Bd3 Qg5–+) 0–1. pallinaama – elczupakobra, kurnik, 2011.

6.Nf3 Bb7 7.Be2 c5 8.b5 d5 9.cd5 Nd5 10.Bg7 Kg7 11.0-0 Nf6 12.d3 Nbd7 13.Nbd2 Qc7 14.a4 Ne5 15.d4 cd4 16.Nd4 Rad8 17.Rc1 Qb8 18.Qb3 Bd5 19.Qb2 Qa8 20.N2f3 Nf3 21.Bf3 Bf3 22.Nf3 Rd3 23.Rc7 Qe4 24.Nd4 Nd5 25.Ra7 Ne3 26.fe3 Qe3 27.Qf2 Qf2 28.Rf2 Rd4 29.Re2 e6 30.h3 Rc8 31.Re6 Rcc4 32.Rb6 Ra4 33.Ra4 Ra4 34.Rc6 Rb4 35.b6 Kh6 36.Kh2 Kg5 37.Kg3 Rb3 38.Kh2 Kf5 39.Rc7 Ke6 40.b7 h5 41.h4 f6 42.Rg7 Kf5 43.Re7 Rb4 44.Kh3 Rb3 45.g3 Rb4 46.Rc7 Rb3 47.Rh7 Ke6 48.Rg7 Kf5 49.Re7 g5 50.hg5 fg5 51.Rc7 h4 52.Rc5 Kg6 53.Rc6 Kh5 54.Rc7 Rg3 55.Kh2 Rb3 56.Kg2 Kg4 57.Rc4 Kf5 58.Rc5 Kg6 59.Rc6 Kh5 60.Rc7 h3 61.Kh2 Kh4 62.Rh7 Kg4 63.b8Q Rb8 0–1. bananinha (1640) – azatied (1635), kurnik, 2012.

5.c4 d6

6.Nc3 Ne4 7.Rc1 Nd7 8.Nf3 Nb6 9.Qc2 Nf6 10.d4 Nbd7 11.Bd3 e5 12.de5 de5 13.Nd5 Nd5 14.cd5 Nb6 15.e4 f6 (better is 15...Bh6!? 16.Be5 Bc1 17.Bc7 Qe8 18.Bb6 ab6 19.Qc1 Bg4+/–) 16.Qc7+- Qc7 17.Rc7 Bg4 18.Nd2 (better is 18.Rb7!? Bf3 19.gf3 Rf7 20.Rf7 Kf7+-) 18...Rac8 19.Rc8 Rc8 20.0-0 Na4 21.Ba1 Nc3 22.Nc4 (better is 22.f3 Bd7 23.Nc4+-) 22...Bh6?? (better is 22...Be2 23.Nd6 Bf1 24.Nc8 Bd3 25.Bc3 Be4+/–) 23.Nd6 Rc7 24.f3 Be3+/– 25.Kh1 Bd7 26.Nc4 Bd4 27.d6 Rc6 28.Na5 Ra6?? 29.Ba6+- (29.Ba6 ba6 30.Bc3 Bc3 31.Rc1+-) 1–0. lican – ullmar, kurnik, 2012.

6.Nc3 e5 7.Nf3 Re8 8.d4 ed4 9.Nd4 Ng4 10.h3? Ne3?? 11.fe3+/– Qh4 12.Kd2 Bd4 13.ed4 Bf5 14.Bd3 Qd4+/– 15.Qf3 Nd7 16.Rhe1?? Ne5–+ 17.Re5 de5 18.Na4? Qd3?? 19.Qd3+= Bd3 20.Kd3 Rad8 21.Ke3. mgriffin (1630) – kerger (2215), net–chess.com, 2001.

6.Nc3 e5 7.h3 e4 8.Nge2 Re8 9.Ng3 c6 10.d4 ed3 11.Bd3 Nbd7 12.0-0 h5 13.Qc2 h4 14.Nge2 Ne5 15.Rad1 Nd3 16.Rd3 Bf5=+ 17.Rfd1 Qe7 18.e4 Ne4–+ 19.Re3?? Qf6 20.Ne4 Qb2 21.Qb2 Bb2 22.Nd6 Re3 (22...Re3 23.fe3 Rd8+=). mgriffin (1630) – kerger (2215), net–chess.com, 2001.

6.d3 b6 (6...Nbd7 7.Nf3=) 7.Nf3 Bb7 (7...c5 8.Be2=) 8.Be2 Nbd7 9.0-0 e5 10.Nbd2 (10.Nc3 Re8=) 10...Ne8 (10...Qe7 11.e4=) 11.Ne4 (11.d4 e4 12.Ne1 Qg5+=) 11...f5 12.Nc3 Rf7 13.Rc1 (13.d4 c5+=) 13...Ndf6 Black intends e4 (13...c5 14.d4=) 14.Re1 (14.d4 Qe7+=) 14...e4 15.de4 (15.Ng5 Re7+=) 15...Ne4 16.Qb3 Nc3 (16...a5!?=) 17.Bc3+- (worse 17.Rc3 Bc3 18.Qc3 Ng7=+) 17...Bc3 18.Qc3 (18.Rc3 Be4+=) 18...Nf6 19.c5 bc5 20.Ng5 (better 20.bc5 Bf3 21.Bf3+=) 20...Re7?? (better 20...Rd7 21.Qb3 Bd5=) 21.Qf6+- cb4 22.Bc4 (better 22.ab4 Qf8 23.Qd4+-) 22...d5 23.Rcd1 (23.Bb3 ba3 24.Rc5 Qf8+-) 23...c6 (23...Qf8 24.Qf8 Kf8 25.Bd5 Bd5 26.Rd5 ba3 27.Ra5+-) 24.ab4 Qe8 (better 24...Qf8 25.Qf8 Kf8+-) 25.Bb3 Rd8 (25...a5 26.ba5 Ra5 27.Ra1 Ra1 28.Ra1+-) 26.Rd3 (26.Ra1 Ba8+-) 26...a6 (26...Qf8 27.Qa1+-) 27.Rc1 Rdd7 (27...Qd7 28.Qc3+-) 28.Rc5 (28.Rc6!? Bc6 29.Qc6 Kg7+-) 28...Rc7 29.Qc3 Qd8 30.h3 Red7 (30...Qd6+-) 31.Ne6 Qc8 (31...Qb8 32.Nc7 Kf7 33.Rd2+-) 32.Nc7 Rc7 (32...Qd8 33.Ne6 Qe7+-) 33.Bd5! Kf8 (33...cd5 34.Rc7 Pinning (34.Rc7 Deflection)) 34.Qf6 Rf7 (34...Ke8 35.Bc4 Rg7 36.Re5 Qe6 37.Rd8) 35.Qf7 1–0. OnlyPolishOpening (1785) – hosammkki (1820), lichess.org, 2020.

6.d4 b6 7.Nf3 c5 8.dc5 dc5 9.Qd8 Rd8 10.Nbd2 Bb7 11.Be2 a6 12.0-0 Nbd7 13.Rfd1 Ne4 14.Ne4 Bb2 15.Ra2 Be4 16.Rb2 Nf6 17.Rbd2 Rd2 18.Rd2 cb4 19.ab4 a5 20.ba5 ba5 21.Nd4 a4 22.f3 a3 23.Ra2 Bb1 24.Ra1 a2 25.Bd1 Ra3 26.Kf2 Nd7 27.f4 Nc5 28.Bc2 Bc2 29.Nc2 Ra4 30.Nd4 Nd3 31.Ke2 Nc5 32.Kd1 f6 33.Kc2 e5 34.fe5 fe5 35.Nc6 Na6 36.Kb3 Nc5 37.Kb2 Ra6 38.Ne5 Rb6 39.Kc2 Ra6 40.Nd3 Nd3 41.Kd3 Ra3 42.Kd4 Kf7 43.c5 Ke6 44.e4 h6 45.c6 Kd6 46.c7 Kc7 47.Ke5 Kd7 48.Kf6 Ra6 49.Kg7 Ke7 50.Kh6 Kf6 51.g4 Ke5 52.Kg5 Ke4 53.h4 Kd3 54.h5 gh5 55.gh5 Kc2 56.h6 Kb2 57.Rh1 Ra5 58.Kg6 a1Q 59.Ra1 Ra1 60.h7 Rg1 61.Kf7 Rh1 62.Kg8 Rg1 63.Kh8 Kc3 ½–½. tns1 (1785) – zielllek (1770), kurnik, 2012.

6.d4 Nbd7 7.Nf3 b6 8.Be2 Bb7 9.d5 c6 (9...a5 10.Nc3=) 10.dc6= Bc6 11.Nbd2 Rc8 12.0-0 Bb7 13.Rc1 e6 14.Nb3 (14.h3 a5=) 14...Qe7+= 15.Nbd4 d5 (15...a6 16.Nd2+=) 16.cd5= Nd5 17.Qd2 N7f6 18.Rc8 Rc8 19.Rc1 Rc1 20.Qc1 Qc7 (20...Ne4 21.Bd3 f5 22.Qc2=) 21.Nb5+= Qc1 22.Bc1 Ba6 (22...Ne4 23.Na7 Ndc3 24.Bd3+=) 23.Nfd4+= Bb5 24.Nb5 (24.Bb5 Nc3 25.Bd3 Nfd5+=) 24...a6= 25.Nd6 a5 (25...b5 26.Bd3=) 26.ba5+= ba5 27.Nb7 Nc3 28.Bf3 Na2 (28...a4!?=) 29.Bb2+/– a4 (29...Nd7 30.Bg7 Kg7 31.Na5+/–) 30.Nc5 Nd5 (30...Ne4!? 31.Na4 Nd2 32.Bg7 Kg7+/–) 31.Bd5+- ed5 32.Bg7 Kg7 33.Na4 Kf6 34.Kf1 Ke5 (34...Nc1 35.Nc5 Na2 36.Ke2 Nc3 37.Kd3+-) 35.Ke1 Nc1 36.Nc5 Kd6 37.Kd2 Kc5 38.Kc1 d4 (38...Kc4 39.Kc2+-) 39.Kd2 (39.e4 d3 40.Kd2 Kd4+-) 39...Kc4 (39...de3 40.fe3 Kc4+-) 40.e4 Kb3 (40...f6+-) 41.Kd3 Ka3 42.Kd4 Kb3 43.Ke5 Kc3 44.Kf6 Kd3 45.e5 Ke4 46.Kf7 Ke5 47.Kg7 Kf5 48.Kh7 Kg5 49.h4! Kh5 (49...Kh4 50.g3 Double attack (50.Kg6 Deflection)) 50.Kg7 g5 51.hg5 Kg5 1–0. Pozanco Romasanta,M (1780) – Rodriguez Martinez,JP (1985), 4th Open De Llinars Group A, 2010.

6.Be2 Nbd7 7.d4 Nh5 (7...c6 8.Nf3+=) 8.Nf3 (8.Bh5!? gh5 9.Qh5+/-) 8...Nhf6 9.Qc2 Re8 10.Nbd2 e5 11.0-0-0 (better 11.d5!?+=) 11...ed4=+ 12.ed4?? (12.Bd4 c5 13.Bc3 cb4 14.ab4 Qe7=+) 12...c5 (better 12...Re2 13.Rhf1 Ng4-+) 13.Bd3 (13.Rde1 cb4 14.ab4 d5=+) 13...cd4 (13...cb4 14.ab4 b5 15.Rde1=+) 14.Nd4=+ Ne5 15.N2f3 Nd3 16.Qd3 Be6 (16...d5!?=+) 17.Ne6= Re6 18.Ng5 Re7 (18...Bh6!? 19.h4 Nh5=) 19.Qd6+/- Qd6 20.Rd6 Rc8? (20...Ng4 21.Bg7 Kg7 22.Rd4 Nf2 23.Rf1+=) 21.c5?? (21.Bf6!? Bf6 22.Rf6 Rc4 23.Kd2 Rd7 24.Ke3 Kg7+-) 21...Ne4 (better 21...Ne8 22.Rd5 Bb2 23.Kb2 Re2 24.Kb3 Rf2+=) 22.Bg7?? (22.Ne4 Re4 23.Rhd1 Bf8+-) 22...Kg7?? (better 22...Nd6 23.Bf6 Re2=+) 23.Ne4+- Re4 24.Rhd1 (24.Kd2 Rce8+/-) 24...Rc4 (24...b6 25.R1d4 Re1 26.Kd2+/-) 25.Kb2+- a5 (25...b6 26.Kb3 Rg4 27.cb6 ab6+-) 26.Rc1 (26.Kb3 Rg4 27.g3 a4 28.Ka4 Rc5+-) 26...Rc1 (better 26...Rf4!?+/-) 27.Kc1+- ab4 28.ab4 f5? (better 28...h5+-) 29.Rd7 Kf6 30.Rb7 Rc6 (30...h5+-) 31.Rb6 Rb6 (31...Re6+-) 32.cb6 Ke5 33.b7 Kd4 34.b8Q Ke4 35.b5 f4 36.b6 g5 37.b7 g4 Black plans f3 (37...Kf5 38.Qc8 Ke4 39.Qe6 Kd4 40.b8Q h6 41.Qbd6 Kc3 42.Qd2) 38.f3! gf3 39.gf3 (39.Qe8 Kf5 40.b8Q Kg4 41.Qbb5 fg2 42.Qeh5) 39...Kf3 40.Qe5 Kg2 (40...h6 41.b8Q h5 42.Qbb2 Kg4 43.Qe6 Kf3 44.Qbe2) 41.b8Q f3 (41...Kf1 42.Qf4 Ke2 43.Qbe5 Kd3 44.Qfe4) 42.Qg3 (42.Qe1 f2 43.Qg3) 42...Kf1 (42...Kh1 43.Qf3 Kg1 44.Qbg3) 43.Qb5 1-0. CronusCR (2305) - ace_mar_s (1940), Hourly HyperBullet Arena, lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

5.Bc4 d5

6.Bb3 a5 7.b5 a4 8.Ba2 c6 9.c4 Bf5 10.Nc3 Bd3 11.bc6 bc6 (11...Qb6!? 12.cb7 Qb7–+) 12.cd5= Qb6 13.Qc1 (13.Na4? Ra4 14.Bf6 Bf6 15.Qa4 Ba1–+) 13...cd5 14.Nd5 Qb7 15.Bf6 ef6 16.Nf4 Be4 17.f3 Bc6 18.Rb1 Qd7 19.d4 Na6 20.Nge2 Rac8 21.Qd2 Rfe8 22.0-0 f5 23.Rb6 Bb5 24.Rb1 Be2 25.Ne2 (25.Qe2?! Re3 26.Qa6 Bd4=) 25...Nc7 26.Rb7 Qe7 27.Kf2 (27.Rc1 Bh6 28.f4 Qe3 29.Qe3 Re3+=) 27...Bh6 28.f4 Qh4 29.Kg1 Ne6 (29...Qe7 30.Ra1+/–) 30.g3 Qg4 31.Be6 (31.Nc3 Bf8+-) 31...Re6 32.Rb8 Rce8?? (32...Ree8 33.Rc8 Rc8 34.Nc3+/–) 33.Re8 (33.d5 Re4 34.d6+-) 33...Re8+/– 34.Kg2 Bf8 35.Rb7 g5 36.fg5?? (better is 36.Nc3+/–) 36…Qe4–+ (36...Qe4 37.Kf2 Qb7–+) 0–1. Florez Vina,Jaime (1685) – Turizo,Edgar Sr (2030), Cartagena COL, Torneo Departamental, 2013. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

6.Bb3 c6 7.Ne2 Qb6 8.c3 a5 9.Bc2 ab4 10.ab4 Ra1 11.Ba1 Qa6 12.Bb2 Ne4 13.0-0 f5 14.f3 Ng5 15.Nf4 e5 16.Nd3 e4 17.Nc5 Qb5 18.fe4 fe4 19.Rf8 Bf8 20.Ba4 Qb6 21.Nb3 Qc7 22.Nd4 b5 23.Bb3 h5 24.d3 Bg4 25.Qe1 Bd6 26.Qh4 Be7 27.Qg3 Kg7?? 28.Qc7+- (28.Qc7 Nd7 29.h3 Nh3 30.gh3 Bh3 31.de4+-) 1–0. gjilanasi71 (1685) – kosovari001 (1610), kurnik, 2012.

5.d3 d6

6.Nd2 e5 7.Be2 Nc6 8.c4 Ne7 9.Ngf3 Ne8 10.0-0 f5 11.Rc1 h6 12.Nh4 g5 13.Nhf3 Ng6 14.g3 f4 15.Ne4 g4 16.Nfd2 f3 17.Bf3 gf3 18.Nf3 Bg4 19.Kg2 Bf3 20.Qf3 Rf3 21.Kf3 Nf6 22.Nf6 Qf6 23.Kg2 Rf8 24.f4 Qf5 25.e4 Qh5 26.f5 Ne7 27.Rcd1 c6 28.h3 d5 29.g4 Qg5 30.Kg3 de4 31.de4 Qe3 32.Kh4 Bf6 33.Kh5 Qg5 0–1. sunnyda – solaris8, kurnik, 2012.

6.Nf3 c6 7.Be2 a6 8.Nbd2 b5 9.c4 Bb7 10.cb5 ab5 11.0-0 Nbd7 12.Nb3 Re8 13.Na5 Qb6 14.Qc2 Ra5 15.ba5 Qa5 16.Nd4 Rc8 17.Nb3 Qa8 18.d4 Nb6 19.Rfc1 Na4 20.Nd2 Nb2 21.Qb2 Nd5 22.Bf3 Nb6 23.h3 Na4 24.Qb4 Qa6 25.Bd1?? Nb6 26.Be2 Nd5 27.Qb2 c5 28.Qb3 c4 29.Qd1 Qa5= 30.Qc2 e5 31.de5 Be5 32.Ra2? Qa4?? 33.Qa4+- ba4 34.Rc4?? Rc4?? 35.Nc4+- Nc3 36.Rc2 Ne2? 37.Re2+- Bc6 38.Ne5 de5 39.Rc2 Be8 40.Rc8 Kf8 41.Kf1 Ke7 42.Rc7 Bd7 43.Ke2 f5 44.Kd2 Kd6 45.Ra7 1–0. exp2005 – cincottorox, kurnik, 2012.

6.Nf3 Nc6 7.Be2 e5 8.Nbd2 Ne8 9.c4 f5 10.0-0 g5 11.h3 h6 12.Nh2 Ne7 13.f4 Ng6 14.fg5 Qg5=+ 15.Nhf3 Qe3 16.Kh1 e4 17.Bg7 Ng7 18.de4 fe4 19.Nh2 Be6?? 20.Ng4 Bg4 21.Bg4 Nf4 22.Re1 Qg3 23.Rg1 h5?? 24.Ne4= Qh4 25.g3 Qe7 26.Bf3 Nh3 27.Re1 Qe4 28.Be4 Nf2 29.Kg2 Nd1 30.Rad1 Rab8 31.Bd5 Kh8 32.Re7 c6 33.Bf3 Nf5 34.Re6 Rg8 35.Bh5 Rg3 36.Kf2 Ra3 37.Bg4 Rf8 38.Rh1 Kg7 (38...Kg7 39.Bf5 Rf5 40.Ke2 Re5 41.Re5 de5–+) 0–1. exp2005 – solaris8, kurnik, 2011.

6.Nf3 e5 7.Be2 a6 8.0-0 b5 9.Nbd2 Bb7 10.c4 Re8 11.cb5 ab5 12.h3 d5 13.d4 e4= 14.Nh2 h5 15.Bb5+/– c6 16.Be2 g5? 17.Nb3 Qd7 18.Na5 Ra7 19.Nb7 Rb7 20.Bh5 Bh6 21.Bg4 Qd6 22.Be2 Kh7 23.Ng4 Ng4 24.Bg4 Rf8 25.Bf5 Kg7 26.g4 Nd7 27.Bd7 Qd7 28.Qa4 f5 29.Qd1 fg4 30.Qg4 Qg4 31.hg4 Kg6 32.Kg2 Bg7 33.f3 ef3 34.Rf3 Rf3 35.Kf3 Rf7 36.Kg2 Bf6 37.Rc1 Rc7 38.Rh1 Be7 39.Rh8 Bd6 40.Rg8 Kf6 41.Rd8 Ke6 42.Rh8 Kf6? 43.Rh6 Ke7 44.Rg6 Rc8 45.Rg5 Rh8 46.Rg7 Kd8? 47.g5 Rh2+/– 48.Kg1 Rb2 49.Rg8 Ke7+= 50.g6 Rb1 51.Kf2 (51.Kf2 Rb2 52.Kf3+=) 1–0. exp2005 – lenkahb, kurnik, 2011.

6.Nf3 e5 7.Be2 c6 8.c4 Be6 9.0-0 Nbd7 10.Nbd2 Ne8 11.Qc2 h6 12.h3 f5 13.Rfe1 f4 14.e4 g5 15.Bc3 Kh8 16.Kh1 Rg8 17.Rg1 Nef6 18.Nh2 h5 19.Ndf3 g4 20.Nh4 gh3 21.g3 fg3 22.fg3 Bg4 23.Qd1 Bh6 24.Bd2 Qf8 25.Bh6 Qh6 26.Nf5 Qg5 27.Qc1 Qc1 28.Rac1 Be2 29.Rc2 Bd3 30.Rc3 Be4 31.Rg2 hg2 32.Kg1 Bf5 33.c5 d5 34.Nf3 Be4 35.Nh4 Ng4 36.Nf3 Raf8 37.Nd2 d4 38.Rb3 Ne3 39.Ne4 Rf1 40.Kh2 g1Q 41.Kh3 Qh1 0–1. eliton – adamjezek (1805), kurnik, 2012.

5.Be2 d5

6.f4 c6 7.Nf3 Nbd7 8.Bd4 b6 9.c4 c5 10.Bb2 Bb7 11.0-0 Qc7 12.Qb3 Rad8 (12...a6 13.d4=) 13.Nc3 e6 14.Ne5 (14.cd5 Nd5 15.Rac1 Nc3 16.Bc3 Bd5=) 14...dc4 (better is 14...Ne5 15.fe5 dc4–+) 15.Nc4= a6 16.Rac1 b5 17.Na5 c4 18.Qc2 Ba8 19.d3 cd3 20.Bd3 Qb6 21.Nd1 Ng4 22.Bg7 Ne3? 23.Qf2+- Nf1 24.Bf8 Nh2? 25.Be7 Re8 26.Qb6 Nb6 27.Bc5 Rd8 28.Bb6 Rd3 29.Rc8 Kg7 30.Nf2 (30.Nf2 Rg3 31.Ra8 Nf3 32.Kh1+-) 1–0. Brotz Herzog,F (1850) – Klauser,Andreas (1850), SUI–ch op Luzern, 1994.

6.h4 a5 7.b5=+.

6.h4 h5 7.Nh3 (7.Nf3 a5=) 7...b6 8.Ng5 c5 9.d3 Nc6 10.b5 Na5 11.Nd2 Bg4 (11...a6 12.ba6 Ra6 13.0-0=+) 12.c4 d4 13.ed4 cd4 14.Bg4 Ng4 15.0-0 Qd6 16.a4?? (better 16.Ngf3=) 16…Qh2 0-1. black_bishop_88 (2665) - PitPurge (2665), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

5.Nf3 a5

6.ba5 Ra5 7.d3 d5 8.Nbd2 Ra8 9.Nb3 Nc6 10.Be2 Bg4 11.0-0 Qc8 12.h3 Bf3 13.Bf3 e6 14.Be2 b6 15.Nd4 Ne7 16.Nb3 c5 17.c4 Nc6 18.cd5 ed5 19.Qc2 Na5 20.Na5 Ra5 21.Rfb1 Qa8 22.Rc1 (22.Bc3 Ra6+=) 22...Rb8 23.Bf3 Ne8 24.Bg7 Kg7 (worse 24...Ng7 25.Qb3+/-) 25.Qb3 (25.Qb2 Kg8+=) 25...Nf6= 26.g4 h6 27.h4 Rd8 (27...g5 28.hg5 hg5 29.Qb2+=) 28.g5 (better 28.Qb2!? Rd6 29.g5+-) 28...hg5= 29.hg5 Nh7 30.Rab1 (better 30.Qb6!? Ng5 31.Bg4=) 30...Ng5-/+ 31.Bg2 Ra6 32.f4 Ne6 Black prepares d4 33.f5 (33.Rc3 Nc7-/+) 33...gf5-+ 34.Rf1 d4?? (better 34...Ra3 35.Qb2 Kg8-+) 35.Ba8+- Raa8 36.ed4 Nd4 (36...Rd4 37.Rf5 (worse 37.Qb6 Ra3 38.Rb3 Rb3 39.Qb3 Kf6+-) 37...Kg6 38.Rf3+-) 37.Qb2 (better 37.Qb6 Rdc8 38.Qb7 Kf6+-) 37...Rd6 38.Rf5 (better 38.Kf2+-) 38...Rg6= 39.Kf1 Rh8 40.Rf2?? (better 40.Rf4=) 40…Rh1 0-1. universe64 (2310) - Kidefence (2535), lichess.org, 2017.

6.b5 c6 7.a4 d6 8.Be2 e5 9.0-0 Be6 10.d4 e4 11.Ng5 (11.Nfd2 d5=) 11...d5 (better 11...Bf5!?=+) 12.Ne6 fe6 13.c4 Nbd7 14.Qb3 Qe7 15.Nc3 Qf7 16.bc6 (16.f3 Bh6 17.Nd1 ef3 18.Rf3 c5+=) 16...bc6 17.cd5 cd5 (17...ed5 18.Ba3 Rfc8 19.Rac1=) 18.Nb5+= Rab8 (18...Rfb8 19.Qd1+=) 19.Qc3 Rfc8 20.Qa5?? (better 20.Qd2 Bf8 21.Bc3+/- (21.Qa5? Rc2-+)) 20...h5?? (better 20...Rc2 21.Nd6 Qf8-/+) 21.Nd6+- Qe7 (21...Qf8 22.Nc8 Rb2 23.Ba6+-) 22.Nc8 Rc8 23.Ba3 Qf7 24.Rfc1 Re8 (24...Rc1 25.Rc1 Qe8 26.Bb5+-) 25.Rc7 e5 (25...h4 26.Bb5+-) 26.de5 Re5 27.Bb2 (27.Bb5 Re8+-) 27...Rf5 (27...Re7 28.Qb4+-) 28.Rd1 (28.Qa8 Kh7 29.Qd8 Qe6+-) 28...Rf2 (28...Ne8 29.Qa8 Bb2 30.g4+-) 29.Kf2 Ng4 30.Kg1 Qf2 31.Kh1 Qe2 32.Qe1 (better 32.Re1 Qb2 33.Qd5 Kh7 34.Qd7+-) 32...Qd1 33.Qd1 Nf2 34.Kg1 Nd1 35.Bg7 Kg7 36.Rd7 Kf6 37.a5 (37.Rd5?! Ne3 38.Rd6 Ke5 39.Rg6 Kf5+-) 37...Ne3 (37...Nc3 38.a6 Nb5 39.Rb7+-) 38.a6 Nc4 (38...Ke6 39.Rd8 Ke5 40.a7+-) 39.a7 Nb6 (39...Ke6 40.Rb7 Ke5 41.a8Q g5 42.Rd7 d4 43.Qc6 Kf5 44.Rf7 Ke5 45.Re7 Kf5 46.Qe4 Kf6 47.Qe6) 40.Rb7 (40.Rd6!? Ke5 41.Rb6 e3+-) 40...Ke5 41.Rb6 d4 42.a8Q d3 (42...h4 43.Kf2 Kf4 44.Qf8 Ke5 45.Qf6 Kd5 46.Qe6 Kc5 47.Qc6) 43.Rb5 (43.Qa5 Kf4 44.Rf6 Ke3 45.Qb6 Ke2 46.Rf2 Ke1 47.Qb1) 43...Kd4 (43...Kf6 44.Qe8 Kg7 45.Qe7 Kh6 46.Qf8 Kh7 47.Rb7) 44.Rb4 (44.Qa7 Kc3 45.Qa2 e3 46.Qb2 Kc4 47.Qb4) 44...Ke3 (44...Ke5 45.Qc6 d2 46.Rb5 Kf4 47.Qf6 Ke3 48.Rb3 Ke2 49.Qf1) 45.Qe4 Kd2 46.Rd4 (46.Rb2 Kc1 47.Qb4 d2 48.Qd2) 46...Kc3 (46...Kc2 47.Qd3 Kc1 48.Rb4 g5 49.Rb1) 47.Rd3 Kb2 48.Qe2 Kc1 49.Rd1 1-0. allyouneedisluft (2505) - kikan16 (1915), Eastern Bullet Arena, lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3)

6.d4 ab4 7.ab4 Ra1 8.Ba1 b6 9.Bd3 Bb7 10.Nbd2 d6 11.c4 Nbd7 12.b5 c5 13.bc6 Bc6 14.0-0 d5 15.cd5 Nd5 16.Qb3 Bb7 17.g3 (17.Rb1 N5f6+=) 17...e6 18.e4 Ne7 19.Rb1 Qc7 20.Bb2 Rc8 21.Rc1 Qb8 22.Rc8 Qc8 23.Qc3 (23.Nc4 Qc7+=) 23...Qa8 (23...Qc3 24.Bc3 h6 25.Bb5=) 24.Qc7+= White prepares e5 24...Qc8 25.Qc8 Bc8 26.Bb5 f5 (26...Nb8 27.Ba3 Nec6 28.Bd6+=) 27.Bd7 (better 27.ef5!? ef5 28.Nc4+/-) 27...Bd7= 28.e5 (28.Ne5 Be5 29.de5 b5=) 28...Nd5 29.Nc4 Nb4 (29...h6 30.Nd6=+) 30.Ba3 (better 30.Nb6!? Bc6 31.Ng5+/-) 30...Nc2 31.Bb2 b5 (31...Nb4 32.Nb6 Bc6 33.Ng5+/-) 32.Nd6 (32.Nb6!? Bc6 33.Ng5+=) 32...Bc6 33.Nd2 Bf8 34.Nb3 Ne1 35.Kf1 Nd3 36.Ba3 (36.Ba1 Bd5 37.Nc5 Bd6 38.ed6 Bc4=) 36...b4=+ 37.Ke2 (37.Bc1 Nc1 38.Nc1 Bd6 39.ed6 Kf7=+) 37...ba3 (37...Nf4 38.gf4 ba3 39.Kd3-+) 38.Kd3 Bd5 39.Na1 a2 40.Nb5 Ba3?? (better 40...Bb4=+) 41.Nc3?? (better 41.Na3 Kf7 42.N3c2+-) 41...Bb2-+ 42.Nd5 Ba1 (42...ed5!? 43.Nb3-+) 43.Nb4-/+ Bd4! 44.Na2 (44.Kd4 a1Q Deflection) 44...Be5 45.f4 Bf6 46.Nc1 e5 47.Ne2 ef4 0-1. Gehaktbalmetjus (2170) - LANIST4 (2325), Rated Bullet game, lichess.org, 2020.

6.Be2 ab4 7.ab4 Ra1 8.Ba1 Nc6 9.b5 Na7 10.c4 b6? 11.d4?? c6+= 12.bc6 dc6 13.0-0 Bg4 14.Nbd2 b5 15.Qb3 bc4 16.Bc4 Qc7 17.Bc3 e6 18.Ra1 Nc8 19.Ba5+/– Qa7 20.Bc3 Qc7 21.h3 Bf3 22.Nf3 Nd5 23.Bb2 Nd6 24.Be2 Rb8 25.Qc2 Nb4 26.Qd2 Ne4 27.Qc1 Nd5 28.Nd2 Nd2= 29.Qd2 h6 30.Rc1 Qd7 31.Qc2 Kh7 32.Ba3+= Ra8 33.Bc5 f5 34.g4 e5 35.gf5 gf5 36.e4 Nf4+= 37.Bf1 ed4=+ 38.ef5 Bf6 39.Qe4 Rg8 40.Kh2 Re8 41.Qf4?? Be5–+ 42.Qe5 Re5 43.Bd3 Rc5! 44.Rc5 Qd6 (44...Qd6 45.Kg2 Qc5–+) 0–1. Fournier,Frederic (1915) – sosperu (2085), Active (5/0), 2005.

6.Be2 b6 7.0-0 ab4 8.ab4 Ra1 9.Ba1 Bb7 10.c4 Nc6 11.b5 Na5 12.d3 Qa8 13.Bc3 d6 14.Nbd2 e5 15.Qa1 e4? (better 15...h6!?+/-) 16.Bf6 ef3 (16...Bf6 17.Qf6 ef3 18.Bf3 Bf3 19.Nf3+-) 17.Bf3 (17.Bg7 fe2 18.Re1 Re8+-) 17...Bf6 18.Qf6 Bf3 19.Nf3 Qd8 20.Qc3 Qe7 21.Ra1 Re8 22.Nd4 f5 23.Nc6 (23.Ne2!? Qe5+-) 23...Nc6+/- 24.bc6 Qe6 25.Qd4 Qe5 26.Qd5 Qd5 27.cd5 Re5 28.Ra7 Rd5 29.Rc7 Rc5 (29...Rd3!? 30.g4! Rc3 (30...fg4?? 31.Rb7+-) 31.gf5 gf5+/-) 30.h4+- Rc1 31.Kh2 b5 32.d4 d5 33.Kg3 b4 34.Rb7 Rc6 35.Rb4 Kf7 36.Rb5 (36.Rb7 Kf6 37.Rh7 Rc2+-) 36...Rd6 (36...Ke6 37.h5!+-) 37.Rb7 Kf6 38.Kf4 (38.Rh7!? Rd8+-) 38...h6 (38...h5 39.Rb8+-) 39.Kf3 (39.h5 gh5 40.Rb8 h4+-) 39...g5 (39...Ra6 40.Rb8+/-) 40.hg5 (40.h5 Re6 41.Rd7 g4 42.Kg3 Kg5+-) 40...hg5 41.Rb5 Ke6 42.g4 Kf6? (42...fg4 43.Kg4 Kf6+-) 43.gf5 Kf5 (43...Kg7 44.Rb7 Kh6 45.Re7+-) 44.e4 (better 44.Rd5! Rd5 45.e4 Ke6 46.ed5 Kd5 47.Kg4 Kd4 48.Kg5+-) 44...Kg6 45.Rd5 Rf6 46.Rf5! Ra6 (46...Rf5 47.ef5 Passed pawn) 47.d5 Ra1 48.Kg4 (better 48.d6 Rh1+-) 48...Rg1 49.Kf3 Rd1?? (49...Ra1 50.d6 Rh1+-) 50.Re5 Rd3 (50...Kf6 51.Re6 Kf7 52.Kg4+-) 51.Kg4 Rd1 52.Rg5 Kf6 53.Rf5 Ke7 54.Kf4 Kd6 (54...Ke8 55.Ke5 Rg1 56.d6+-) 55.Rf6 Kc5 (55...Kd7 56.Ke5+-) 56.Re6 (56.Ke5 Ra1+-) 56...Kb5 (56...Rf1 57.Rc6 Kd4 58.Rc2+-) 57.Ke5 Re1 58.f4 Rd1 (58...Kc4 59.d6 Kc5 60.Kf6+-) 59.f5 Re1 60.f6 Rf1 61.Re7 Kc5 62.f7 Re1 63.Ke6 (63.f8Q Re4 64.Ke4 Kb4 65.Rc7 Ka4 66.Rb7 Ka5 67.Qa3) 63...Rf1 (63...Re4 64.Kf5 Re7+-) 64.Re8 (64.d6 Kb6+-) 64...Kd4 65.f8Q Rf8 66.Rf8 Ke4 (66...Kc4 67.d6 Kc3 68.d7 Kd2 69.d8Q Kc3 70.Rf3 Kb4 71.Qd4 Ka5 72.Rb3 Ka6 73.Qb6) 67.d6 Ke3 68.d7 Ke4 (68...Kd4 69.d8Q Ke3 70.Qg5 Ke4 71.Qd5 Ke3 72.Rf3 Ke2 73.Qd3 Ke1 74.Rf1) 69.d8Q Ke3 70.Re8 Ke4 (70...Kf2 71.Qd2 Kg3 72.Qe3 Kh4 73.Kf5 Kh5 74.Rh8) 71.Kd7 (71.Kf6 Kf3 72.Qd3 Kg4 73.Re4 Kh5 74.Qh3) 71...Kd3 72.Kc8 (72.Kc6 Kc3 73.Qf6 Kd2 74.Qf2 Kc3 75.Qf3 Kb4 76.Re4 Ka5 77.Qa3) 72...Kc2 (72...Kc3 73.Re3 Kc4 74.Qd3 Kc5 75.Re5 Kb4 76.Rb5 Ka4 77.Qb3) 73.Qe7 (73.Re5 Kc3 74.Rc5 Kb4 75.Qb6 Ka4 76.Ra5) 73...Kb3 74.Rd8 Kb2 (74...Kc4 75.Qe4 Kc3 76.Rd3 Kb2 77.Qe2 Kc1 78.Rd1) 75.Kd7 (75.Qb4 Kc1 76.Qc3 Kb1 77.Qb3 Kc1 78.Rd1) 75...Kb3 (75...Kc2 76.Qe2 Kb3 77.Qd3 Ka4 78.Rb8 Ka5 79.Qb5) 76.Ke8 (76.Qc5 Ka4 77.Qb6 Ka3 78.Ra8) 76...Ka2 (76...Kb2 77.Qc7 Ka3 78.Qb6 Ka4 79.Ra8) 77.Kf8 (77.Rb8 Ka1 78.Qa3) 77...Kb3 (77...Kb2 78.Qb4 Kc1 79.Qc5 Kb2 80.Rb8 Ka2 81.Qa5) 78.Qc7 Ka2 (78...Ka4 79.Qb6 Ka3 80.Ra8) 79.Rb8 Ka1 (79...Ka3 80.Qa5) 80.Qa7 (80.Qa5) 1-0. Arifars17 (2675) - Masterclass2 (2715), Rated Bullet game, lichess.org, 2021.

5.Nf3 b6

6.c4 Bb7 7.d4 d6 8.Nbd2 Nbd7 9.Be2 c5 10.dc5 bc5 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qb6 15.0-0 Ra8 16.Qc1 e5 17.Qc2 Ne8 18.Ra1?? Ra1=+ 19.Ba1 f5?? 20.Bc3 Nef6 21.Ng5 h6 22.Ne6 Bh8 23.f4?? e4?? 24.g4?? Kf7 25.gf5 gf5 26.Nd4? cd4–+ 27.Bd4 Qc7 28.c5 Nc5 29.Nb3 Bd5 30.Nc5 dc5 31.Bc5?? Nd7 32.Bh5 Ke6 33.Qg2 Nc5 34.Qg8=+ Kd6 35.Qh8 Ne6 36.Qe5 Kd7?? 37.Qh8?? Qc1–+ 38.Kf2 Qd2 39.Kf1 Bc4 40.Kg1 Qe1 41.Kg2 Bf1 42.Kh1 Bh3 0–1. Fournier,Frederic – theWitcher (1675), rated blitz game (2/2), 2002.

6.c4 Bb7 7.Be2 c5 8.0-0 e6 9.Nc3 d5 10.cd5 ed5 11.bc5 bc5 12.Na4 Nbd7 13.Rb1 Bc6 (13...Rb8 14.Qc2 Qe7 15.Rfc1=) 14.Nc3 Re8 15.d4 c4 16.Qc2 Rb8 17.Rfc1 Rb6 18.Nd2 Qa8 19.Ba1 (19.e4 de4 (worse 19...Ne4 20.Nce4 f5 21.Nc3+-) 20.Nc4 Rbb8+=) 19...Reb8= 20.Na2 (20.Bf3 Bf8=) 20...Qb7 (20...Bf8 21.Nb4=) 21.Bf3 a5 22.Nc3 Qc7 23.Rb6 Nb6 24.Rb1 Re8 (24...Bf8 25.Bb2=) 25.Qb2 Nbd7 26.Qc2 g5 (26...Nb6!?=) 27.h3 (27.Qf5 Qd6 28.Qg5 h6+-) 27...h5? Black prepares the advance g4 (better 27...Qd6!?+=) 28.Qf5+- g4 29.hg4 hg4 30.Bg4 (better 30.Bd5!? Nd5 31.Nd5 Bd5 32.Qd5+-) 30...Ng4+- 31.Qg4 Re6 32.Nf3 Rg6 33.Qf5 Nf8? (better 33...Qd6!?+=) 34.Nd5+- Qd6 35.Nf4 Rf6 36.Qg4 (36.Qa5?! Bf3 37.Qc5 Be4=) 36...Ng6? (better 36...Bd7 37.Qg3 Bf5+-) 37.Nh5 Re6 (37...Rf3 38.Ng7 Rf6 39.Nf5+-) 38.Ng7 Kg7 (38...Bf3 39.Qf3 Kg7 40.d5 Rf6+-) 39.d5 Rf6 40.dc6 Qc6 41.Qg5 (41.Nd4 Qc7 42.Nf5 Kg8 43.Bf6 c3 44.Ne7 Kf8 45.Ng6 fg6 46.Qg6 c2 47.Rb8 Qb8 48.Qg7 Ke8 49.Qe7) 41...c3 42.Rc1 (42.Rc1 Rd6 43.Bc3 Kg8 44.Nd4+-) 1–0. FeegLood (2595) – Phaffans (2515), lichess.org, 2015.

6.c4 Bb7 7.Be2 c5 8.b5 d5=+ 9.cd5 Qd5 10.Nc3 Qd8 (10...Qd6 11.0-0=+) 11.0-0= Nbd7 12.d3 e6 (12...Qc7 13.g3=) 13.Qb3 Nd5 14.Rad1 (14.Ne4 Bb2 15.Qb2 Qe7=) 14...Qf6 15.Nd5 (15.Rc1 Qe7=) 15...Qb2=+ 16.Ne7 Kh8 17.Qb2 Bb2 18.a4 Rae8 (18...Kg7 19.Nd2=+) 19.Nc6 Bc6 (19...Rc8 20.d4 Bc6 21.bc6 Rc6 22.Bb5=+) 20.bc6= Nb8 21.c7 Na6 22.Rb1 Bg7 (22...Bf6 23.d4 Nc7 24.dc5=) 23.d4 Nc7 24.dc5 bc5 25.Rb7 Nd5 26.Rd1 (26.Ng5!? Kg8 27.Ne4=) 26...Nc3-/+ 27.Rd2 Rb8 28.Rb8 (28.Ra7 Ra8 29.Ra8 Ra8-/+) 28...Rb8 29.Bd3 (29.Bf1 Nd5-/+) 29...Rd8 (29...Bf6 30.a5-+) 30.h3 (better 30.Bc2 Bf6 31.Rd8 Bd8 32.Ne5-/+) 30...e5?? (30...Na4 31.Ra2 Rd3 32.Ra4-+) 31.e4? (31.Bc2!? Rd2 32.Nd2=) 31...f5 (better 31...Na4 32.Ra2 Rd3 33.Ra4 Rd1 34.Kh2 Rd7-+) 32.Rc2?? (better 32.ef5 e4 33.Bc4 Rd2 34.Nd2 gf5 35.Kf1-/+) 32...Rd3-+ 33.ef5 gf5 (33...e4 34.Ng5 Rd1 35.Kh2 gf5 36.Ne6 Be5 37.g3-+) 34.Ng5 (34.Ne1 Rd1 35.Rc3 Re1 36.Kh2 Bf8-+) 34...Kg8 35.Ne6 Bh6 (better 35...c4 36.g4 fg4 37.hg4-+) 36.Nc5 Rd1 37.Kh2 Ne4 38.Ne4 fe4 39.Rc8 (39.Kg3 e3-+) 39...Bf8 40.Rc7 (40.Ra8 Rd3 41.g4 Ra3 42.Ra7 Ra2-+) 40...a5 41.Ra7 Rd5 (41...Bb4 42.Rc7-+) 42.Ra6 h5 (42...Bb4 43.Ra8 Kg7 44.Ra7 Kg6 45.g4-+) 43.Re6 (43.g4 h4 44.Kg2 Kf7-+) 43...Kf7 (43...Rd2 44.Rf6-+) 44.Rb6 (44.Ra6 h4-+) 44...Be7 (44...Rd4 45.Rb7 Be7 46.g4 hg4 47.hg4-+) 45.Rb3 (45.Ra6 Bg5 46.g3 Rd2-+) 45...Ke6 (45...Rd4!? 46.g4 hg4 47.hg4 Ra4 48.Rb5-+) 46.g4 (46.Rb2 Rd4 47.Ra2 Bg5-+) 46...h4 (better 46...hg4 47.hg4 Rd4 48.Rb6 Kf7 49.Rb7-+) 47.g5 (47.Rb6 Rd6 48.Rb5-+) 47...Bg5 48.Rb6 Rd6 49.Rb5 Bd8 50.Rb7 (50.Rb2 Rd4 51.Ra2 Bg5-+) 50...Bb6 (better 50...Rd4 51.Rb8 Be7 52.Rb6 Bd6-+) 51.Rh7 (51.Kg2-+) 51...Bf2 52.Rh6 Kd5 53.Rh5 Bg3 54.Kg2 e3 55.Kf1 (55.Kf3 Kd4 56.Rh8 Rf6 57.Kg4 e2 58.Kg5 Rd6 59.Rh7 e1Q 60.Rd7 Qc1 61.Kh5 Qh6 62.Kg4 Qf4 63.Kh5 Qf5) 55...Ke4 56.Ke2 (56.Rg5 Rd1 57.Kg2 Rd2 58.Kg1 e2 59.Rg4 Kf3 60.Rg3 hg3 61.h4 e1Q) 56...Rd2 57.Kf1 Kf3 (57...e2 58.Kg2 e1Q) 58.Rf5 Bf4 59.Rf4 (59.Ke1 Ra2 60.Rf4 ef4 61.Kd1 e2 62.Ke1 Ra1 63.Kd2 e1Q 64.Kc2 Rc1 65.Kb2 Qc3 66.Ka2 Ra1) 59...ef4 60.Ke1 (60.Kg1 e2 61.Kh2 e1Q) 60...Ra2 (60...Rd6 61.Kf1 Rd1) 61.Kf1 (61.Kd1 e2 62.Ke1 Ra1 63.Kd2 e1Q 64.Kc2 Rc1 65.Kb2 Qc3 66.Ka2 Ra1) 61...Ra3 (61...Ra1) 62.Ke1 (62.Kg1 e2 63.Kh2 Kf2 64.Kh1 Rh3) 62...Ra4 (62...Ra1) 63.Kd1 Rc4 (63...Rc4 64.Ke1 Rc1) 0-1. IvTK (2200) - Lance5500 (2570), lichess.org, 2016. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.a3 0-0 5.e3)

6.Bc4 Bb7 7.d4 d6 8.Nc3 Nbd7 9.0-0 c5 10.bc5 bc5 11.d5 Nb6 12.Qd3 Nc4 13.Bc1?? (better is 13.Qc4 Nd5! 14.Nd5 Bb2 15.Rab1 Bd5 16.Qd5 Ba3 17.c3-/+) 13...Nb6 14.e4 (14.Rb1 c4 15.Qe2 Nfd5 16.Nd5 Bd5–+ (16...Nd5?! 17.Rb7 Qc8 18.Rb2–+)) 14...c4 15.Qe2 Nfd7 16.Bg5 Rc8 17.Qd2 Re8 18.Bh6 Bh8 19.Ng5 Nf6 20.Rfe1 Nfd7 21.Rab1?? Nf8 22.Qf4 f6 23.Nf3 Nbd7?? 24.Rb7+/– Nc5 25.Ra7 Qb6+= 26.Re7? Re7–+ 27.Rb1 Qd8 28.Nh4? g5 29.Bg5? fg5 30.Qg5 Rg7 31.Qf4 Ng6 32.Ng6 Rg6 33.a4 Qd7 34.Nb5 Rf8 35.Qh4 Bf6 36.Qh5 Rg5 37.Qh3 Qh3 38.g3 Ne4 (38...Ne4 39.c3 Bd8 40.Nc7 Rf2 41.Ne6 Qh2#; 38...Rh5 39.f3 Ne4 40.fe4 Qh2 41.Kf1 Bc3#) 0–1. pieeater – Salvatore, ChessWorld.net, 2012.

6.d4 Bb7 7.Be2 d6 8.c4 Nbd7 9.Nbd2 c5 10.dc5 dc5 11.b5 Re8 12.0-0 Qc7 13.Qc2 Rad8 14.Rad1 e5 15.Ng5 h6 16.Nge4 Ne4 17.Ne4 f5 18.Nd6 Re6 19.Nb7 Qb7 20.Bf3 e4 21.Be2 Qc8 22.Bg7 Kg7 23.Qc3 Kf7 24.Rd2 Ne5 25.Rfd1 Rd2 26.Rd2 Re7 27.f4 ef3 28.Bf3 Nf3 29.gf3 Qe6 30.Kf2 f4 31.e4 Qh3 32.Kg1 Qc8?? 33.Qd3 Qe6= 34.Qd5 Kf6 35.Qe6 Ke6 36.Rd5 g5 37.Kg2 Kf6 38.h3 Re5 39.Rd6 Re6 40.Rd8 Ke5 41.Kf2 Rd6= 42.Rd6 Kd6 43.Ke2 Ke5 44.Kd3 h5 45.a4 Kd6?? 46.Kd2= Ke6 47.Kd3 Ke5 48.Kc3 g4 49.fg4 hg4 50.hg4 Ke4 51.g5?? Ke3 52.g6+= f3 53.g7 f2 54.g8Q f1Q 55.Qe6 Kf2 56.Qf5 Ke2 57.Qf1 Kf1= 58.Kd3 Ke1 59.Ke4?? Kd2–+ 60.Kd5 Kc3 61.Kc6 Kb4 62.Kb7= Ka5?? 63.Ka7+- Ka4 64.Kb6 Kb4 65.Kc6 Kc4 66.b6 Kd3 67.b7 c4 68.b8Q c3 69.Qb1 c2 70.Qc1 Kc3 71.Kc5 Kd3 72.Kb4 1–0. Fournier,Frederic (1770) – susguan (1760), Active, 2007.

6.d4 Bb7 7.Be2 d6 8.Nbd2 Nbd7 9.c4 Rc8 10.0-0 c5 11.dc5 dc5 12.b5 e6 13.Bd3 Nh5 14.Bg7 Ng7 15.Qc2 Nf5 16.Be4 Be4 17.Ne4 Nf6 18.Nf6 Qf6 19.Rad1 Rfd8 20.Rd8 Rd8 21.Rd1 Rd1 22.Qd1 Kg7 23.h3 Qe7 24.Ne5 Qc7 25.Nc6 a6 26.a4 ab5 27.ab5 Ne7 28.Ne7 Qe7 29.Qd2 Qa7 30.Qc3 Kg8 31.Kh2 h5 32.f3 Qb7 33.e4 Kh7 34.Qf6 Qc7 35.Kg1 Kg8 36.Qc3 Qd7 37.Qc2 e5 38.Kf1 f6 39.Ke2 Kf7 40.Qd3 Qa7 41.g4 Qa2 42.Ke3 Qa7 43.Qd5 Kg7 44.Qd3 hg4 45.hg4 Kh6 46.Qd2 g5 47.Qd6 Kg6 48.Qd3 Qb7 49.Qd5 Qa7 50.Qd3 Qb8 51.Qd5 Qa7 52.Qd3 ½–½. Fournier,Frederic – Tommx1, Partie evaluee, 3m + 0s, 2008.

6.d4 d6 7.Bd3 c5 8.dc5 dc5 9.0-0 Nc6 10.b5 Na5 11.Bc3 Nb7 12.Nbd2 Nd6 13.Qe2 Bb7 14.Rfd1 Nfe4? 15.Bg7+- Kg7? 16.Ne4 Ne4 17.Be4 Qc7 18.Bb7 Qb7 19.Qd3 a6 20.ba6 Ra6 21.Qd7 Qb8 22.Qe7 Ra7 23.Qe5 Qe5 24.Ne5 Re8 25.Nc4 b5 26.Nd6 Rb8 27.Rdb1 Ra5 28.c4 b4 29.ab4 Ra1 30.Ra1 Rb4 31.h3 f5 32.Ra7 Kf6 33.Ra6 Kg7 34.Rc6 Rb1 35.Kh2 Rb2 36.Kg3 Rd2 37.Nc8 g5 38.Rc5 Kf6 39.Rd5 Rc2 40.c5 Ke6 41.Rd6 Ke5 42.c6 h5 43.f4 gf4 44.ef4 Ke4 45.Re6 Kd5 46.Re5 Kc6 47.Rf5 Kd7 48.Nb6 Kc6 49.Nd5 Rc5 50.Rh5 Rd5 51.Rd5 Kd5 52.Kg4 Ke6 53.Kg5 Kf7 54.f5 Kg7 55.Kf4 Kf6 56.g4 (56.g4 Kf7 57.g5+-) 1–0. Pozanco Romasanta,Marc – Gallego,Clara, ESP–ch U10, 2007.

6.Be2 Bb7

7.0-0 a5 8.ba5 Ra5 9.d4 d6 10.Nbd2 c5 11.dc5 bc5 12.Nb3 Ra8 13.c4 Qb6 14.Rb1 Nc6 15.Qc2 Qc7 16.Rfd1 Bc8 17.Nbd2 Bf5 18.e4 Bg4 19.h3 Bf3 20.Bf3 Nd4 21.Qd3 e5 22.Be2 Nd7 23.Bf1 Rab8 24.f4 ef4=+ 25.Bd4 Bd4 26.Kh1 Ne5 27.Qe2 Rb1 28.Rb1 Rb8 29.Rb8 Qb8 30.Nf3 Nf3 31.Qf3=+ Be5 32.Qd3 Qb2 33.Be2 Qc1 34.Bf1 Kg7 35.Kg1 Bd4 36.Kh1 g5 37.Kh2 h5 38.Qf3 Kg6 39.Be2?? Qg1# 0–1. exp2005 – mietz, kurnik, 2011.

7.0-0 c5 8.b5 d5 9.a4 Nbd7 10.c4 e6 11.Qc2 Qc7 12.a5 Rac8 13.d3 dc4 14.Qc4 Bf3 15.Bf3 Ng4 16.Qg4 Bb2 17.Ra2 Bg7 18.Be2 Nf6 19.Qg3 Qd7 20.ab6 ab6 21.e4 Qb5 22.Nd2 Qc6 23.h4 Ra8 24.Ra8 Ra8 25.h5 Nd7 26.Nf3 b5 27.Qh4 b4 28.Bd1 Qd6 29.Bc2 Bf6 30.Ng5? Bg5 31.Qg5 Kg7 32.Qc1 Qd4 33.g3 Ne5 34.Kg2 Ra2 35.Qd1 Qc3 36.Bb1 Rd2 37.Qc1 Qc1 38.Rc1 Ng4 39.Kf3 f5 40.ef5 ef5 41.Rc2 Ne5 42.Ke3 Rd3 43.Ke2 Rc3 44.Rc3 bc3 45.Ba2 c2 46.Kd2 Nd3! 47.Kc2 Nb4 48.Kb3 Na2 0–1. Ivanets,Vladimir (2190) – Balashov,Yuri S (2440), Rijeka CRO, 2011.

7.0-0 c5 8.c4 d5 9.bc5 (9.d4 cb4 10.ab4 dc4 11.Bc4 a6+=) 9...bc5 10.cd5 Nd5 (10...Qd5!? 11.Nc3 Qe6=) 11.Bg7+/– Kg7 12.Qc2 Ba6 (12...Qc7 13.Nc3+=) 13.Ba6 (13.d3 Qd6+/–) 13...Na6+= 14.Nc3 Nb6 (14...Nf6 15.Rab1+=) 15.Na4 (15.d3 Rc8+/–) 15...Qd6 16.Rfc1 Rfc8 17.Rab1 Rab8 18.Nc3 (18.Qc3 Qf6 19.Qf6 Kf6+=) 18...f6 (18...Nb4 19.ab4 cb4 20.Qa2 bc3 21.dc3=) 19.h4 (19.Nb5 Qd7+=) 19...Qd7 (19...c4 20.Ne4 Qd3 21.Nd4=) 20.d3 Nc7 (20...e5 21.Rd1=) 21.Ne4 (21.h5 gh5 22.Ne4 Na6=) 21...Ne6 (21...Na6 22.Qe2+=) 22.Nfd2 (22.Rd1 Qd5+=) 22...Qa4 (22...f5 23.Ng5+=) 23.Qa2 (23.Qa4 Na4 24.Nb3 Rb5+=) 23...Rc6 (23...Qd7 24.Nc4+=) 24.Rc3 (24.Nc4 Rd8 25.Rb3 Nc4 26.Rc4 Qa5+=) 24...Rbc8 (24...f5 25.Ng5 Ng5 26.hg5+=) 25.Rbc1 (25.Nc4 Nc4 26.Rc4 Qa5+=) 25...Nd7 (25...f5!? 26.Ng5 Ng5 27.hg5 f4+=) 26.Nc4 Nc7 27.h5 (27.Rb3 Nb6+/–) 27...Nd5 (27...Rb8 28.hg6 hg6 29.R3c2+=) 28.R3c2 (28.Rb3 gh5 29.Ng3 e6+/–) 28...N5b6 (28...Ra6 29.Ne5 Ne5 30.Qd5+=) 29.Nc3 (29.Rb1 Nc4 30.Rc4 Qa5+=) 29...Qa6+= 30.Nb6 (30.hg6 Nc4 31.dc4 hg6+=) 30...Nb6= 31.Nd5 (31.hg6 hg6 32.Rd2 Rd8=) 31...Nd5 (31...Qd3? 32.Ne7 c4 33.Rc3+-) 32.Qd5 Qa3 33.Rc3 (33.Rc4 a5=) 33...Qa6 (better is 33...Qb2=) 34.h6 (34.hg6 hg6 35.Rc4+= (35.Rc5?? Rc5 36.Rc5 Rc5 37.Qc5 Qa1 38.Kh2 Qe5 39.Qe5 fe5–+)) 34...Kh6-/+ 35.Qf7 (35.d4 c4-/+) 35...e5 36.Rc4 g5 (36...R6c7 37.Qd5-/+) 37.Qd5 (37.Rc5 Rc5 38.Rc5 Rc5 39.Qf8 Kh5 40.Qf7 Kh6 41.Qf8 Kg6 42.Qe8 Kg7 43.Qe7 Kg8 44.Qe8 Kg7 45.Qe7 Kg6 46.Qe8 Kf5 47.Qd7 Kg6 48.Qe8=) 37...Kg6 (37...Rd6 38.Qe4-/+) 38.f4 (38.d4!?+=) 38...ef4-/+ 39.ef4 Rd6 40.Qe4 (better is 40.Qf3-/+) 40...Kg7 (better is 40...f5 41.Qe5 Re6-/+ (41...Rd3 42.Rc5 Rc5 43.Qe8 Kh6 44.Qf8 Kh5 45.Rc5+=)) 41.Qe7 Kg8 42.fg5 (42.Rc5!? Rc5 43.Rc5=) 42...Re6-/+ (42...Rd3 43.gf6 Rg3 44.f7 Kh8 45.Qe5 Rg7 46.Rg4 Qg6 47.Rg6 hg6 48.Kf2 Kh7 49.Rh1) 43.Qd7 Qc6 (43...fg5 44.Ra4 Qc6 45.Qc6 Rec6 46.Ra7-/+) 44.Qa7 (44.Qc6!? Rec6 45.gf6=) 44...Re2-/+ (44...fg5?! 45.Rc5 Re1 46.Re1 Qc5 47.Qc5 Rc5 48.Kf2+=) 45.Rg4 (45.Re4 Re4 46.de4 Qe4-/+) 45...Qe6 (45...f5 46.Rg3+=) 46.Rcc4 (46.Qa4 f5 47.Rg3 Re1 48.Re1 Qe1 49.Kh2 Qe5=) 46...Re1 (46...Qe3 47.Kh2 Qe5 48.Rgf4-/+) 47.Kh2 Qe5 48.Rcf4 fg5 49.Qf7 (49.Qa6 Re8 50.Qh6 Qf4 51.Rf4 gf4 52.Qg5 Kf7 53.Qf4 Ke6 54.Qc4 Kd6 55.Qa6 Kc7 56.Qa7 Kc6 57.Qa6 Kd7 58.Qb5 Kd6 59.Qa6 Ke5=) 49...Kh8-/+ 50.Qf5 Rg8 (worse is 50...gf4 51.Qc8 Qe8 52.Qc5+/–) 51.Qe5 Re5 52.Rf7 ½–½. Durarbayli,Vasif (2460) – Rajesh,V A V (2185), WYb16 Kemer TUR, 2007. (=1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6)

7.c4 c5 8.d3 Na6 9.b5 Nc7 10.0-0 d5 11.Nbd2 e6 12.a4 a5 13.Qc2 dc4 14.Nc4 Ncd5 15.Rfe1 Nb4 16.Qb3 Nfd5 (16...Bd5 17.Rad1+=) 17.Bg7+/– Kg7 18.Qb2 Kg8 19.Rad1 f6 20.h3 Qc7 21.Nfd2 Rad8 22.Ne4 e5 23.Ned6 (better is 23.Ng3=) 23...Rd6-/+ 24.Nd6 Qd6 25.Qb3 Kg7 26.Bf3 Re8 27.Rd2 Bc8 28.Rc1 Be6 29.Qb2 Rd8 30.d4 (30.Be4 Rc8–+) 30...ed4 31.ed4 Nf4 32.Rcd1 c4 33.Qc3 (33.Be2 Rc8 34.Qc3 Nbd5–+) 33...Nfd3 (33...Nbd3 34.Rc2–+) 34.Re2 Bd5 35.Bd5 Qd5 (35...Nd5?! 36.Qc4 N3f4 37.Re4+=) 36.Qd2 Rd7 (36...Qd4 37.Re7 Kf8 38.Rh7+/–) 37.Qe3 0–1. Vidal dos Santos,Rodrigo – Pozzoli,Vicente, Ushuaia Herrera Memorial, 2004. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.Nf3 0-0 5.e3 b6 6.Be2 Bb7)

5.Nf3 c6

6.Qc1 d6 7.c4 Bg4 8.d4 Bf3 9.gf3 a5 10.Nd2 ab4 11.ab4 Ra1 12.Qa1 Nbd7 13.Bd3 e5 14.de5 Ne5 15.Be5 de5 16.Be2 Qb6 17.Qb2 e4 18.fe4 Ne4 19.Qb3 Nd2 20.Kd2 Rd8 21.Bd3 c5 22.b5 Qd6 23.h4 h5 24.Ke2 Qe6 25.Qa3 Qg4 26.Ke1 Qd1 27.Kd1 b6 28.Ke2 Rd6 29.Qa8 Kh7 30.Qb7 Rf6 31.f4 Bh6 32.f5 gf5 33.Rf1 Kg6 34.Qg2 Kh7 35.Rf5 Rf5 36.Bf5 Kh8 37.Qf3 Kg7 38.Qh5 f6 39.Qg6 Kf8 40.Be6 Ke7 41.Qf7 Kd6 42.Bd5 Be3 43.Qe6 Kc7 44.Qc6 Kd8 45.Be6 Ke7 46.Qd7 Kf8 47.Qf7 1–0. Adamkosh (1895) – RajuRavindra (1645), lichess.org, 2020.

6.Bc4 d5 7.Be2 Nbd7 8.d3 Qc7 9.Nbd2 e5 10.0-0 Re8 11.Ne1 (11.c4 e4 12.de4 de4=) 11...h6 12.Rc1 (12.c4 a5=) 12...b6 (12...a5 13.ba5 Qa5 14.c4=) 13.c4= d4 (13...a5 14.cd5 Nd5 15.Bf3=) 14.ed4+= ed4 15.Bd4 c5 (15...Ng4 16.Bg4 Bd4 17.Nef3+=) 16.Ba1 Bb7 17.Bf3 Bf3 18.Ndf3 Ng4 (18...a5 19.bc5 bc5 20.d4+=) 19.h3 (19.Bg7 Kg7 20.d4 Rad8+/-) 19...Ba1 20.Ra1 (20.hg4?! Bb2 21.Rb1 Ba3=) 20...Nge5 21.Ne5 Ne5 22.Nf3 Rad8 23.Ne5 Qe5 24.Re1 (24.Qd2!?+=) 24...Qe1= 25.Qe1 Re1 26.Re1 Rd3 27.bc5 bc5 (27...Ra3?? 28.c6 Ra5 29.c7+-) 28.Re5 Ra3 29.Rc5 Rc3 30.Ra5 Kg7 (30...Rc4 31.Ra7 Kg7 32.Kh2=) 31.c5+= Rc2 32.g3 h5 33.Kg2 Rc3 34.h4 Rc4 (34...a6!?=) 35.Kf3+/- Rc3 (35...Kf8 36.Ke3+/- (worse 36.Ra7 Rc5 37.Ke4 Kg7=)) 36.Ke4 Rc2 37.f3 (37.Kd3 Rf2 38.c6 Rf1+/-) 37...Rc3 (37...a6 38.f4+/- (38.Ra6?! Rc5 39.Ra8 Kf6=)) 38.g4 (better 38.Kd4!? Rc2 39.Ra7 Rd2 40.Ke5 Re2 41.Kd6 Rd2 42.Kc7+-) 38...hg4+= 39.fg4 Rc4 40.Kf3 (40.Ke5 Rg4 41.c6 Rh4+/-) 40...Rc3+= 41.Kf4 Rc2 (41...Rc4!? 42.Ke5 Rg4+/-) 42.g5+/- Rc4 43.Ke5 Rc3 (43...a6 44.Kd5 Rh4 45.c6+- (worse 45.Ra6 Rh5+-)) 44.Kd6 (better 44.Kd4 Rc2 45.Ra7 Rd2 46.Ke5+-) 44...Rc4? (better 44...Rd3 45.Kc7 Rd5+-) 45.c6 Rh4 (45...Rd4 46.Rd5 Rh4 47.c7+-) 46.Kc7 (better 46.c7 Rh8 47.Ra7+-) 46…Rb4. Reppko (2145) - nicky (2200), Rated Bullet game, lichess.org, 2014. (=1.Nf3 g6 2.a3 Bg7 3.b4 Nf6 4.Bb2 0-0 5.e3)

6.Be2 d5 7.0-0 Bg4 8.d4 b5 9.Nbd2 Nbd7 10.h3 Bf3 11.Nf3 Ne4 (11...a5 12.Qe1=) 12.Bd3 (12.a4 ba4 13.c4 dc4+=) 12...Nd6 13.Nd2 Nc4 14.Bc4 bc4 15.c3 (15.e4 e6=) 15...e5+= 16.e4 ed4 17.cd4 Nb6 18.ed5 (18.Qc2 Re8=) 18...cd5+= 19.Nf3 Re8 20.Re1 Qc7 21.Qd2 Na4 22.Bc3 a6 23.Qc2 Nc3 24.Qc3 Re4 25.Re4 de4 26.Nd2 Rd8 27.Qc4 Qf4 28.Nb3+= e3 29.Rf1 Be5 30.g3?? ef2–+ 31.Rf2 Qg3 (31...Qg3 32.Kf1 Bf4–+) 0–1. Kielgast,Ottomar – Frantzke,Helmut (1905), Kurpfalz Seniors op, 1999.

5.Nf3 d5

6.Bd3 b6 7.0-0 c5 8.Nc3 Nc6 9.Ne2?? (better 9.b5 Na5 10.Be2=+) 9...c4-+ 10.Ne5 (10.Nf4 cd3 11.cd3 a6-+) 10...Ne5 11.Be5 cd3 12.cd3 Ba6 (12...Ng4 13.Bg7 Qd6 14.f4 Kg7 15.Qb3-+) 13.d4 (13.Qb3 Qd7-+) 13...Nd7 (13...Bd3 14.Re1-+) 14.Bg7 Kg7 15.d3 Rc8 16.Nf4 (16.Qb3 Nf6-+) 16...Bb7 (16...e5 17.de5 Ne5 18.Re1-+) 17.b5 (17.Rc1 Rc1 18.Qc1 Nf6-+) 17...e5 (17...Nf6 18.Qa4-+) 18.de5 Ne5 19.Qb3 (19.Qa4 Qc7-+) 19...d4 20.e4 (20.Qa4 de3 21.fe3 Re8-+) 20...Rc3 21.Qb4 (21.Qa4 Qf6 22.Qa7 Qf4 23.Qb7 Rc5-+) 21...Nd3 (21...Qf6!? 22.Ne2 Nd3 23.Qd4 Qd4 24.Nd4 Be4 25.Rfd1-+) 22.Ne2 (22.Nd3 Rd3 23.Rad1 Be4 24.f3-+) 22…Nb4 (22...Nb4 23.Nc3 dc3 24.ab4 c2-+) 0-1. chess_stat (2415) - Lance5500 (2470), lichess.org, 2016. (=1.e3 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3)

6.d4 c5 7.Nbd2 cb4 8.ab4 Bf5 9.c4 dc4 10.Bc4 e6 11.b5 Be4 (11...Nbd7 12.Be2=) 12.0-0 Bd5 (12...Bf5 13.Qe2+=) 13.Bd3+/- b6 14.e4 Bb7 15.Re1 Qe7? (15...Re8 16.Qe2+/-) 16.Nc4 (better 16.Ba3!? Qd7 17.Bf8 Bf8 18.Qb3+-) 16...Rd8+/- 17.Ba3 Qd7 18.Qc2 Qe8 (18...Ne8 19.Bb2+/-) 19.Nfe5 Nbd7?? (better 19...Bf8+/-) 20.Nd6+- Rdc8 (20...Ne5 21.Ne8 (21.Nb7 Rd4 22.Bb2 Nd3 23.Bd4 Ne1 24.Re1 Qb5-+; 21.de5?! Rd6 22.Bd6 Nd7+-) 21...Nd3 22.Nf6 Bf6 23.Qd3 Bd4 24.Qb1+-) 21.Qd2 (21.Nc6 Bc6 22.Ne8 Bb5 23.Nf6 Nf6+-) 21...Ne5 (21...Qd8 22.Nb7 Qc7 23.Nd6+-) 22.Ne8 (22.Nb7?! Nd3 23.Qd3 Qd7+=) 22...Ne8 23.de5 Be5 24.Bb2 Bb2 25.Qb2 Ng7 (25...Rc7 26.Ra3+-) 26.Rad1 (26.Rec1!? Rd8 27.Rc7 Rd3+-) 26...Rd8 27.f3 Rdc8 28.Bf1 Ne8 (28...Rc7 29.Rc1 Re7 30.Qa3+-) 29.Rd7 Rab8 (29...Rc7 30.Rc7 Nc7 31.Rd1+-) 30.Red1 (better 30.Qe5 Ng7+-) 30...Ba8 (30...Rc5+-) 31.Qe5 Ng7 32.Qf4 (32.Rf7! Nh5 33.Rdd7 Rf8 34.Rg7 Kh8 35.Rh7 Kg8 36.Qh8) 32...Rf8+- 33.Qf6 (33.Rf7 Bd5 34.ed5 e5 35.Rf8 Rf8 36.Qe5 Re8+-) 33...Rbe8 34.Ra7 Nh5 35.Qg5 Ng7 36.Rdd7 e5 (36...Nh5 37.g4 Ng7 38.Qf6+-) 37.Qf6 (better 37.Bc4 Kh8 38.Rf7 Bd5 39.Rg7 Rf7 40.Qh6 Ra7 41.Qh7) 37...Re6 38.Rf7 Rf6 39.Rg7 Kh8 40.Rh7 Kg8 41.Rag7 1-0. blitzbullet (2560) - themurdercastle (2680), Rated Bullet game, lichess.org, 2018.

6.d4 c6 7.c4 Nbd7 8.cd5 cd5 9.Bd3 Nb6 10.Nbd2 Bd7 11.0-0 Rc8 12.Rc1 a6 13.Ne5 Bb5 14.Bb5 (14.Rc8!? Qc8 15.Qb3=) 14...ab5+= 15.Rc8 Qc8 16.Qc1 Nc4 17.Ndc4 bc4 18.Qc3? (better is 18.a4!?+=) 18...Ne4–+ 19.Qc1 (better is 19.Qc2!? f6 20.Nf3–+) 19...f6 20.Nf3 b5?? (better is 20...c3!? 21.Ba1 Qc4 22.Nh4–+) 21.Qc2 (21.Bc3 Qd7-/+) 21...Qd7 (21...c3 22.Bc1–+) 22.Ra1 (22.Nd2 Nd6-/+) 22...Ra8 (22...c3!? 23.Bc1–+ (23.Bc3?? Rc8–+)) 23.Nd2-/+ Nd2 24.Qd2 f5 25.f3 Qe6 26.Kf2 Bh6 27.g3 Qf6 28.Bc3 1–0. Fournier,Frederic (1870) – enigma12, Active, 2006.

6.d4 c6 7.Nbd2 Nbd7 8.Be2 Qe8 9.0-0 Ng4 (9...b5 10.a4 Nb6 11.ab5 cb5 12.Ra5+=) 10.h3 Nh6 11.c4 f5 (11...Nf6 12.Ne5+=) 12.cd5 cd5 13.Qb3 e6 14.Rac1 Kh8 (14...Qd8 15.Rc2+/-) 15.Ne5 (15.Rc7!?+/-) 15...Ne5+= 16.de5 Nf7 17.f4 g5 (17...Bd7 18.b5+=) 18.Nf3 h6 (18...Bd7 19.Rc7+/-) 19.Nd4 Rg8 (19...Qe7 20.Rc2+/-) 20.Rc7+- h5? (better 20...a6+-) 21.Bh5 gf4 (21...Bd7+-) 22.Bf7 Qf8 (22...Qd8 23.Rfc1 f3 24.Bg8 Kg8 25.gf3+-) 23.Qd1 Bh6 24.Qh5 (better 24.Bg8 Kg8 25.Qh5+-) 24...Qg7 (24...Rg5 25.Qh4 fe3+-) 25.Bg8 Qc7 26.Bf7 Kg7 27.Qg6 Kf8 28.Qh6 (28.Qg8 Ke7 29.Qe8) 28...Kf7+- 29.Qh7 (29.Qh7 Ke8 30.Qc7+-) 1-0. blitzbullet (2440) - j_coca (2255), Elite Bullet Arena, lichess.org, 2018.

6.d4 c6 7.Nbd2 Ne4 8.Ne5 (8.Ne4 de4 9.Nd2 f5+=) 8...f5 9.Ne4 fe4 10.c4 Nd7 11.cd5 cd5 12.Qb3 Ne5 13.de5 Be6 14.h4 (14.Be2 Qc7=) 14...Qc7 (14...Bg4 15.Rc1=+) 15.Be2 White plans h5 (15.Rc1!? Qd7 16.h5=) 15...Be5=+ 16.Rc1 Qd6 17.h5 Rfc8 (17...g5 18.Bd4=+) 18.hg6 hg6 (18...Rc1 19.Bc1 hg6 20.Qb1=+) 19.Rc8 (19.Rc5!?=) 19...Rc8=+ 20.0-0 (20.Be5!? Qe5 21.0-0-/+) 20...d4-/+ 21.Qd1? (better 21.Qa4!? d3 22.Be5 Qe5 23.Bd1-/+) 21...d3-+ 22.Be5 Qe5 (better 22...de2!? 23.Bd6 ed1Q 24.Rd1 ed6 25.Rd6 Kf7-+) 23.Bg4-/+ Bg4 24.Qg4 Qf5 25.Qg3?? (25.Qh4 d2 26.Qe7 Qd5-+) 25...a6 (better 25...d2 26.f4 Rc1-+) 26.f3? (better 26.Rd1-/+) 26...d2-+ 27.Rd1 (27.Qf2 Qd7 28.fe4-+) 27…Rc1 (27...Rc1 28.b5 Rd1 29.Kh2 Rc1 30.Qb8 Kg7 31.Qe5 Qe5 32.f4 Qh5 33.Kg3 d1Q 34.f5 Qe1 35.Kf4 Qf5) 0-1. blitzbullet (2680) - OhanyanEminChess (2745), Rated Bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3)

6.d4 Ne4 7.Nbd2 Bg4 8.Bd3 e6? (better is 8...Nd2 9.Qd2 Bf3 10.gf3 Nd7=) 9.Ne4+/– de4 10.Be4 c6 11.c4 b6 12.0-0 c5?? (better is 12...f5 13.Bd3 a5+-) 13.Ba8 cd4 14.Bd4 Bf3 15.Bf3 Qg5 16.Bg7 Kg7 17.Qd4 f6 18.Rfd1 1–0. Fournier,Frederic – earthshaker, Active, 2008.

6.d4 Bg4 7.Nbd2 Nc6 8.c4 dc4 9.Bc4 Re8 10.0-0 e5 11.de5 Ne5 12.Be2 (12.Be5!? Re5 13.Bf7 Kh8 14.h3+/–) 12...Nf3 13.Nf3 Qd1 14.Rfd1 Bf3 15.Bf3 Rab8 16.Rd2 c6 17.Rad1 Ne4 18.Be4 Re4 19.Bg7 Kg7 20.Rd7 Rc4 21.Kf1 Rc3 22.R7d3 Rd3 23.Rd3 b6 24.Ke2 a5 25.Rd6 ab4 26.ab4 c5 27.bc5 bc5 28.Rc6 Rb5 29.Kd3 Rb2 30.Rc5 Rf2 31.Rg5 Rf5 32.Rf5+/– gf5 33.e4 Kf6= 34.Ke3 Ke5 35.ef5 Kf5 36.h4? h5 37.Kf3= Kg6 38.Kf4 f5?? 39.Ke5+- f4 40.Kf4 Kh6 41.Kf5 1–0. Fournier,Frederic – azkaux, Active, 2008.

6.d4 Bg4 7.Be2 c6 8.Nbd2 Nbd7 9.0-0 Qc7 10.h3 Bf3 11.Nf3 Ne4 12.c4 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.cd5 Nc3 17.Qd2 Nd5 18.Rac1 Rad8 19.Qc2?? Rfe8?? 20.Bf3 Nf6 21.Rfd1 Qe7 22.Rd8 Rd8 23.Rd1 Rd1 24.Qd1 Qe5 25.Qc1 Kg7 26.g3 Qf5 27.Kg2 Qd3 28.h4 Ne4 29.Qb2 f6 30.Be4 Qe4 31.Kg1 Qf3 32.Qd4 Qd5 33.Qa7 Qd7 34.Qd4 Kf7?? 35.Qd7+- (35.Qd7 Kf8 36.Qh7+-) 1–0. Fournier,Frederic (1960) – areus (1640), Active, 2009.

6.Be2 a6 7.0-0 Bf5 8.d4 Nbd7 9.Nbd2 c6 10.c4 dc4 11.Nc4 Nb6 12.Na5 Qc7 13.Bd3 Bd3 14.Qd3 Na4 15.Bc1 b6 16.Qc2 ba5 17.Qa4 ab4 18.ab4 Rfb8 19.Bd2 Rb6 20.Rfc1 e6 21.Ne5 Ne4 22.Nc4 Rb5 23.Be1+/– Nf6 24.Ne5 Qb7 25.Rc6 Nd5 26.Rc5 Rc5 27.bc5 Be5 28.de5 Rc8 29.Qa3 Qb5 30.Rc1 Ne7 31.Qb4 Nc6 32.Qb5 ab5 33.f4 b4 34.Kf2 Rd8 35.Rb1 Kg7 36.Ke2 g5 37.g4 h5 38.h3 Rd5 39.Bb4 Nb4 40.Rb4 Rc5 41.Kf3 gf4 42.Kf4 hg4 43.hg4 Kg6 44.Rd4 Rc1 45.Rd8 ½–½. Degterev,Pavel (2275) – Szabo,Zsolt (2210), BI–2007–P–00013, 2007.

6.Be2 c6 7.0-0 Bg4 8.d4 Nbd7 9.Nbd2 Re8 10.h3 Bf3 11.Nf3 Ne4 12.Bd3 f5 13.Be4 (13.c4!?+=) 13...fe4=+ 14.Nd2 e5 15.c4 ed4 16.Bd4 Bd4 17.ed4 Nf6 18.cd5 cd5 19.Re1 b6 20.Nf1 Qd6 21.Ne3 Rac8 22.Rc1 Kg7 23.Qd2 (23.Qa4 Qe7=) 23...Qd7 24.Rc8 Rc8 25.Rc1 Rc1 26.Qc1 Ne8 27.Qc3 Qc7 (27...Nf6 28.b5=) 28.Qc7 (better 28.Nd5 Qd7 29.Ne3+-) 28...Nc7= 29.f3 ef3 30.gf3 Nb5 31.Nc2 Kf6 32.Kf2 Kf5 33.Ke3 Nc7 (33...Nd6 34.f4=+) 34.Ne1 g5 35.Nd3 (35.a4 Ne6 36.Nd3 Nf4 37.Nf4 gf4 38.Kf2 a6=) 35...Nb5=+ 36.a4 Nc3 (36...Na3 37.Kd2=+) 37.a5 ba5 38.ba5 Nb5 39.Ne5 a6 40.Nf7 Na3 41.Nd6 Ke6 42.Nc8?? (better 42.Nb7=+) 42...Nc4-+ 43.Kd3 Na5 (43...Kd7 44.Nb6 Nb6 45.ab6 Kc6-+) 44.Nb6 Nc6 45.Na4 a5 46.Nc3 Nb4 (46...Ne7 47.Kc2-+) 47.Ke3 (47.Kd2 Kf5 48.Ke3 h5-+) 47...Kf5 (47...Nc2 48.Kd3 Ne1 49.Ke2-+) 48.Nb5 a4 49.Nd6 Ke6 (49...Ke6 50.Nb5 h6-+) 0-1. Gehaktbalmetjus (2055) - Chillkroete77 (2435), Rated Bullet game, lichess.org, 2019.

6.Be2 c6 7.0-0 Bg4 8.h3 Bf3 9.Bf3 Nbd7 10.d3 e5 11.Nd2 Re8 12.c4 Nb6 13.Qc2 dc4 14.dc4 a5 15.Bc3 ab4 16.ab4 Qc7 17.Rfb1 Ra1 18.Ra1 Nfd7 19.Qb3 f5? (better is 19...Nf6+=) 20.c5+- Nd5 21.Bd5 cd5 22.Qd5 Kh8 23.Ra7 Rb8 24.c6! Nb6 25.Qe6 (25.Qe6 Qc6 26.Qc6 bc6 27.Rg7 Kg7 28.Be5 Kf7 29.Bb8+-) 1–0. Schellen,Anton – Lauer,Frederic, SF–2010-0-00059, 2010.

6.Be2 c6 7.d3 a5 8.Nbd2 Na6 (8...ab4 9.ab4 Ra1 10.Qa1=) 9.0-0 Bf5 10.Rb1 (10.Bc3 ab4 11.ab4 Qb6=) 10...ab4 11.ab4 Qb6 (11...b5 12.Be5=) 12.Bd4 (12.Be5 Bg4+= (12...Nb4? 13.c3+-)) 12...Qc7 13.Be5 Qb6 (13...Qd7 14.Nd4=) 14.h3 (14.c3 Nc7+=) 14...Ne8 (14...Rfd8 15.c3+=) 15.Bg7+= Kg7 16.c4 White prepares the advance b5 16...Nf6 (16...dc4 17.Nc4 Qc7 18.b5 cb5 19.Rb5+=) 17.b5 cb5 18.Rb5 Qa7 (18...Qc7 19.Qb1 dc4 20.Nc4+/–) 19.cd5+/– Nc7 (19...Bd7 20.Ra5+/–) 20.Rb3 Bd7 21.Qb1 Ncd5 22.Rb7 Qa2 23.Rc1 Rfc8 24.Bf1 (24.Rc8 Bc8 25.Rb2 Qb1 26.Nb1 h6+/–) 24...Qb1 (24...Nc3 25.Qa2 Ra2 26.Nc4+/–) 25.Rcb1 (25.Rbb1 h6+/–) 25...Rc2 (25...Bc6 26.R7b3+/–) 26.R1b2 (26.d4 Bc6 27.R7b2 Rb2 28.Rb2 Nc3+/–) 26...Rc1 27.e4 Bc8 (27...Bc6 28.Rb1 Rc2 29.R7b2 (29.ed5?! Bb7 30.Rb7 Nd5+/–) 29...Rb2 30.Rb2+/–) 28.ed5 (28.Rb1 Rc2 29.R7b2 Rb2 30.Rb2 Nf4+/–) 28...Bb7 29.Rb7 Nd5 30.Rd7 Nb4 31.Re7 (31.d4 Nc6+-) 31...Nd3+/– 32.g3 Kf6 33.Rb7 Nc5 34.Rc7 Ra4 (34...Re8 35.Kg2+-) 35.Kg2 Nd3 (35...Rb4 36.Rc6 Ke7 37.h4+-) 36.Rb7 (36.Rc1 Nc1 37.Bb5 Rb4+-) 36...Nc5 37.Rb2 (37.Rb6 Ke7+-) 37...Kg7 (37...h6 38.Bb5 Ra3 39.Nc4+-) 38.Ne5 (38.Bb5 Raa1+-) 38...Ra7 (38...h6 39.Bb5 Ra7 40.f4+-) 39.Ndf3 (39.f4 h6+-) 39...Rb7 (39...h6 40.Bb5+-) 40.Ra2 (40.Rb7 Nb7 41.Nd4 h6+-) 40...Rc7 (40...h6 41.Nd4+-) 41.Nd4 Rb1 (41...h5 42.f4+-) 42.Rc2 Rd1 43.Nef3 (43.Nb5 Rc8+-) 43...Rb1 (43...h6 44.Be2 Rb1 45.Ne5+-) 44.h4 (44.Nb5 Rc8+-) 44...Rb8 (44...Rd1 45.Be2 Rb1 46.Ne5+-) 45.Nb5 Rcc8 46.Nd6 Rd8 (46...Rc7 47.Nd4 Rd7 48.N4f5 (48.Rc5?! Rd6 49.Nf3 Rb7+-) 48...gf5 49.Nf5 Kf8 50.Rc5+-) 47.Nf7 (47.Rc5?! Rd6 48.Rc7 Rdb6+-) 47...Kf7 48.Rc5 Rdc8 (48...Ke7 49.Rc7 Rd7 50.Rd7 Kd7 51.Ng5+-) 49.Ng5 Kg8 50.Rd5 (50.Rc8 Rc8 51.Bd3 Rc5+-) 50...h6 (50...Rc7 51.Rd6+-) 51.Ne6 (51.Nf3 Rd8 52.Rd8 Rd8+-) 51...Kf7 52.Nf4 White plans h5 52...Rd8 53.h5 (53.Bc4 Rd5 54.Nd5 Rb2+-) 53...Rd5 (53...g5 54.Rf5 Ke7 55.Nd5 Ke6 56.Ne3+-) 54.hg6 Kg7 55.Nd5 Kg6 56.Bd3 Kg7 (56...Kf7 57.Kf3+-) 57.g4 Rb3 (57...Rd8 58.Be4+-) 58.Be4 Kf7 (58...Rb2 59.Kf3+-) 59.f4 Ra3 (59...Ke6 60.Kf2+-) 60.Kf2 (60.f5 Rb3+-) 60...Ke6 61.Ne3 Ra4 (61...Ra2 62.Kf3 Ra3 63.Ke2+-) 62.Kf3 Ra3 63.Bd5 Kf6 64.Ke4 Ra1 65.Bc4 Re1 66.Bd3 Ra1 (66...Rg1 67.Kf3 Rh1 68.Nf5+-) 67.Nd5 (67.Nf5 Ra4 68.Ke3 Kg6+-) 67...Kf7 68.Ke5 Ra8 (68...Rg1 69.Ne3+-) 69.Bc4 (69.f5 Re8 70.Kf4 Rc8+-) 69...Re8 70.Kf5 Kg7 (70...Re1 71.Nb4 Kg7 72.Nc6+-) 71.Nc7 Re3 72.Ne6 Kf7 73.Nd8 (73.Nc5 Ke7 74.Nd3 Kf8+-) 73...Kg7 74.Bd5 Re1 75.Nc6 Re8 76.Nd4 Re1 77.Be4 Rg1 78.Bf3 (78.Nf3 Rg2+-) 78...Re1 79.Bd5 Re3 (79...Rg1 80.Nf3 Rg2 81.Ne5+-) 80.Be4 (80.Ne6 Kf7+-) 80...Rg3 (80...Re1 81.Ke5+-) 81.Bf3 Rg1 82.Ke5 Re1 83.Be4 Rg1 (83...Kf7 84.f5+-) 84.Nf5 Kg6 85.Ke6 Ra1 86.Nd4 White plans f5 86...Kg7 87.f5 Ra6 (87...Re1 88.f6 Kf8 89.Ke5+-) 88.Ke5 Rb6 89.Bd5 Rb8 (89...Kf8 90.f6 Rb1 91.Kf5+-) 90.Ne6 Kh7 (90...Kf7 91.Nf4 Kg7 92.f6 Kh7 93.Kd6+-) 91.Kd6 h5 (91...Rb5 92.f6 Rd5 93.Kd5+-) 92.g5 1–0. pcmvr – jpost, net–chess.com, 2017.

6.Be2 Nc6 7.0-0 a5 8.b5 Nb8 9.d4 a4 10.c4 Nbd7 (10...Be6 11.Ng5+=) 11.Nbd2 Nb6 12.c5 Nbd7 13.Rc1 c6 14.b6 Ne4 15.Ne4 de4 16.Nd2 f5 17.Nc4 Nf6 18.g3 (18.Qc2 Be6+/-) 18...Nd5 19.Qc2 (19.Ne5 g5+/-) 19...Be6+= 20.Rfd1 g5 Black plans f4 21.Bc3 Qe8 22.Nb2 Qg6 23.Na4 f4 24.Nb2?? (better 24.Bd2+=) 24...fe3-+ (24...Ra3?! 25.Qd2=) 25.fe3 Ne3 (25...Ra3?! 26.Qd2=) 26.Qd2 Nd1 27.Rd1 Bd5 28.a4 g4 29.Qe1 (29.Bc4 Qe6 30.Bd5 cd5-+) 29...Rf5 (29...e3 30.Bd3 Qe6-+) 30.Bd2?? (better 30.Nc4-+) 30...Bd4 31.Kg2 (31.Be3 Be3 32.Kh1 Rf2-+) 31...Bb2 (31...e3 32.Bf3 Rf3 33.h3 Rf2 34.Kg1 Qe4 35.Qf2 Qh1) 32.Bf4 e3 33.Kg1 Ba3 (33...Rh5 34.Rd5 Rd5 35.Qb4-+) 34.Qc3 Bc5! 35.Qc5 Ra4 (35...Qh5 36.Be3 Ra4 37.h4-+) 36.Qe7 Rf7 (better 36...Rf8 37.Qe3 Re8 38.Qd3-+) 37.Qd8 (37.Qe3 Qe4 38.Qe4 Re4 39.Bd3-+) 37...Rf8 38.Qd6 (38.Qd7 Ra2 39.Rd5 Re2 40.Rd1-+) 38…Qe4 (38...Qe4 39.Rd5 cd5-+) 0-1. Gehaktbalmetjus (2110) - Thobisch (2230), Rated Bullet game, lichess.org, 2020.

5.Nf3 d6

6.Qc1 c5 7.Be2 cb4 (7...Nc6 8.bc5 dc5 9.0-0=+) 8.ab4 a6 (8...Na6 9.b5 Nc5 10.Nc3=) 9.b5 (9.0-0 Qc7=) 9...Nbd7 10.ba6 ba6 11.0-0 Bb7 12.Nc3 Nc5 13.d4 Ne6 (13...Nce4 14.Ne4 Ne4 15.c4=) 14.Rb1 (14.Qd2 Qc7+=) 14...Nc7 15.Na4 Bf3 (better 15...Bc6!? 16.Nc3 Bb7=) 16.Bf3+/- e6? (better 16...Rb8+/-) 17.Ba8+- Qa8 18.c4 d5 (18...Qc6 19.Qc2+-) 19.Ba3 dc4? (19...Re8+-) 20.Bf8 Bf8 21.Qc4 Bg7 (21...Ncd5+-) 22.Qc7 Ne4 23.Rb8 Qb8 24.Qb8 Bf8 25.Nc5 Kg7 26.Ne4 f5 27.Qe5 Kh6 28.Qf6 Bg7 (28...Be7 29.Qe7 e5 30.Qf8 Kh5 31.Nf6 Kg5 32.h4 Kh4 33.Qh6) 29.Qh4 (29.Qg5) 1-0. allyouneedisluft (2320) - ImmortalMan (1825), Hourly Bullet Arena, lichess.org, 2016.

6.Qc1 e5 7.c4 Nh5 8.d4 e4 9.Nfd2 f5 10.Be2 Nf6 11.h4 c6 12.h5 g5 13.h6 Bh8 14.Nc3 a5 15.Nf1 Nbd7 16.d5 ab4 17.ab4 Ra1 18.Qa1 Ne5 19.dc6 bc6 20.b5 Be6 21.c5 dc5 22.Ne4 Ne4 23.Be5 Be5 24.Qe5 Qa5 25.Kd1 Bb3 26.Kc1 Qe1 27.Kb2 Qe2 28.Kb3 Qb5 29.Kc2 Qe2 30.Kb3 Qd3 31.Ka2 Ra8 32.Kb2 Qa3 33.Kc2 Qa2 34.Kd1 Nf2 35.Ke1 Nh1 36.Qg7 1–0. Adamkosh (1890) – nemofisher (2135), lichess.org, 2020.

6.Qc1 e5 7.Be2 Nc6 8.d3 Bg4 9.b5 Ne7 10.a4 (10.0-0 Qd7=) 10...c6 (10...a6 11.Nc3=) 11.h3 Bf3 12.Bf3 d5 (better 12...a6!?=) 13.Be5+/- Qb6 (13...Qa5 14.Bc3 Qd8 15.0-0+/-) 14.Nc3 Rac8 15.0-0 Rfe8 16.a5 Nf5?? (better 16...Qd8+/-) 17.ab6+- ab6 (17...Re5 18.ba7 Ra8 19.d4+-) 18.Bf6 Bf6 19.d4 c5 (19...Nd6 20.Bg4 Rcd8 21.Qa3+-) 20.Nd5 Bg7 21.c3 (21.Nb6 Rcd8 22.dc5 Ba1 23.Qa1 Ng7+-) 21...Re6 (21...cd4 22.Rd1+-) 22.e4 (22.Bg4 cd4 23.Bf5 gf5 24.ed4 Bd4+-) 22...Ne7 23.Ne7 (23.Bg4 f5 24.ef5 gf5 25.Ne7 Re7 26.Bf5 Rce8+-) 23...Re7 24.dc5 (better 24.Qg5!? Rce8 25.Rfd1 h6+-) 24...bc5 25.Qe3 b6 26.Rad1 (26.Ra6 Re6+-) 26...Rce8 27.Rd6 f5 28.Rc1 (28.Rb6 fe4 29.Be2 Re5+-) 28...fe4 29.Bg4 Rf7 30.Rcd1 (better 30.Be6!? Re6 31.Re6 Bf6+-) 30...Bf8 31.Be6 Bd6 32.Bf7 Kf7 33.Rd6 Re7 34.Qf4 Ke8 (34...Kg7 35.Qf6 Kh6 36.Qe7 e3 37.Qh4 Kg7 38.Rd7 Kf8 39.Qd8) 35.Qf6 Rf7 (35...e3 36.Qh8 Kf7 37.Rf6) 36.Rd8 1-0. allyouneedisluft (2510) - mbburabak (2190), Hourly HyperBullet Arena, lichess.org, 2017. (=1.a3 d6 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.Nf3 0-0)

6.c4 c6 7.Be2 Nbd7 8.0-0 e5 9.d4 e4 10.Nfd2 d5 11.Nc3 Re8 12.Rc1 Nf8 13.Nb3 h5 (13...dc4 14.Bc4 Bg4 15.Qc2+=) 14.a4 White plans b5 14...h4 15.b5 (15.cd5 Nd5 16.Nd5 cd5+=) 15...h3 16.g3 N8h7 17.Nc5 (17.bc6 bc6 18.cd5 Nd5+=) 17...Ng5 (17...b6 18.Nb3 dc4 19.Bc4 cb5 20.ab5=) 18.Ba3 (18.cd5 cd5 19.Nb3 a6=) 18...b6= 19.Nb3 dc4 20.Bc4 Bg4 21.Be2 Nf3 (21...Be2 22.Qe2 cb5 23.Nb5=+) 22.Kh1= cb5 23.Nb5 Bh5 (23...Bf8 24.Bf8 Rf8 25.Nd2+=) 24.Nd2 (better 24.Nc7!?+/-) 24...Nd2= 25.Qd2 Be2 26.Qe2 Qd7 (26...Nd5 27.Qg4=) 27.Rc7 (27.Nc7+/-) 27...Qf5? (27...Qe6 28.Rfc1+=) 28.Rfc1 (28.Nd6 Qe6 29.Ne8 Ne8+-) 28...Ng4 (28...Qe6!?+=) 29.Kg1+/- (worse 29.Na7 Qf2 30.Qf2 Nf2 31.Kg1 Ng4=+) 29...Re6 30.Nd6 Qh5 31.Nf7 Rf8?? (better 31...Rf6 32.Rf1 Nh2 33.Qh5 gh5 34.Kh2 Rf7 35.Rf7 Kf7+/-) 32.Bf8+- Bf8 33.d5 (better 33.Qa2 Qf5 34.Nd8+- (34.Ra7?! Qf3 35.Nh6 Kh8 36.Nf7 Kg8 37.Nh6 Kh8 38.Nf7 Kg8=)) 33...Rf6+/- 34.Nd8?? (better 34.Ne5! Ne5 35.Qh5 gh5 36.Ra7=) 34...Rf2-+ 35.Qd1?? (better 35.Qf2 Nf2 36.Ne6-+) 35...Rg2 36.Kf1 Nh2 (36...Ne3 37.Ke1 Bb4 38.R7c3 Bc3 39.Rc3 Qd1) 37.Ke1 Nf3 (37...Bb4 38.R1c3 Bc3 39.Rc3 Rg1 40.Kf2 Qd1 41.Ne6 Rf1) 38.Kf1 Nh2 (38...Qg4 39.Rg7 Bg7 40.Rc2 Nh2 41.Ke1 Qg3 42.Rf2 Qf2) 39.Ke1 Nf3 (39...Bb4 40.R1c3 Bc3 41.Rc3 Rg1 42.Kf2 Qd1 43.Ne6 Rf1) 40.Kf1 Rg1 (40...Qg4 41.Rg7 Bg7 42.Rc2 Nh2 43.Ke1 Qg3 44.Rf2 Qf2) 41.Kf2-+ Rd1 (41...h2 42.Rg7 Bg7 43.Qg1 Ng1 44.g4 Qh4 45.Kf1 Qh3 46.Kf2 Qf3 47.Ke1 Qe2) 42.Rd1 h2 (better 42...Ne5 43.Rf7 Qd1 44.Rf8 Kf8 45.Ne6 Kg8 46.g4 h2 47.Kg3 Qg4 48.Kh2 Nf3 49.Kh1 Qh3) 43.Ne6 h1Q 44.Rh1 (44.Rg7 Bg7 45.Rh1 Qh1 46.Ng7 Qg1 47.Ke2 Qe1) 44...Qh1 45.Nf4 (45.Rc1 Qh2 46.Kf1 Qg1 47.Ke2 Qg2 48.Kd1 Qd2) 45...Qe1 (45...Qg1 46.Ke2 Qe1) 46.Kg2-+ Qg1 47.Kh3 Qh2 48.Kg4 Qh6 49.Rc8 (49.Ng6 Qg6 50.Kh3 Qh5 51.Kg2 Qh2 52.Kf1 Qg1 53.Ke2 Qe1) 49…Ne5 0-1. blitzbullet (2450) - Unknown96 (2555), Rated Bullet game, lichess.org, 2018. (=1.e3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.a3 d6)

6.c4 Nc6 7.d4 e5 8.de5 de5 9.Qd8+/– Rd8 10.Ne5 Ne5 11.Be5 c6 12.Bb2 Be6 13.Be2 Rd6 14.f3 Rad8 15.Kf2?? Nd7?? 16.Bg7+/– Kg7 17.Nc3 Ne5 18.c5 Rd2 19.Rhd1 Nd3 20.Kf1 Nb2 21.Rd2 Rd2 22.Ke1 Rc2 23.Ne4 f5 24.Nd6 b6 25.cb6 ab6 26.Kf1 Na4? 27.Bd1+/– Rc3? 28.Ba4+- Re3 29.Kf2 Rd3 30.Nb7 b5 31.Nc5 Rd2 32.Kg3 Bd5 33.Bb3 h5 34.Rd1 h4 35.Kh4 Rg2 36.Bd5 cd5 37.Rd5 Rh2 38.Kg3 Rh5 39.Rd7 Kf6 40.Nd3 1–0. Fournier,Frederic (1650) – daihatsu (1695), Active, 2006.

6.c4 Nc6 7.d4 Bg4 8.Be2 e6 9.0-0 Ne7 10.Nbd2 Rc8 11.h3 Bf3 12.Nf3 c6 13.Rc1 b5 14.cb5+- cb5 15.Rc8 Qc8 16.Qc1 Qc1 17.Rc1 Ned5 18.Bb5+- Rb8 19.Be2 Ne4 20.Rc6 Ndf6 21.Bd3 Re8 22.Rc7 Bh6? 23.Ra7 Bf8 24.b5 1–0. Fournier,Frederic (2075) – gehilier, Active (1/0), 2005.

6.c4 Bg4 7.Be2 Nbd7 8.d4 a5 9.Nbd2 ab4 10.ab4 Nb6 11.0-0 Qd7 12.Qc2 c5 13.bc5 dc5 14.d5 Na4 15.Be5 Bf3 16.Nf3 Ne8 17.Bg7 Kg7 18.Ra2 Nb6 19.Rfa1 Ra2 20.Ra2 f6 21.Qb2 Qd6 22.Ng5+- Rf7? 23.Ne6 Kg8 24.Ra7 Nd7 25.Rb7 Ne5 26.Rb8 Qd7 27.Qb5 Qb5 28.cb5 c4 29.Re8 Rf8 30.Rf8 1–0. Fournier,Frederic (1720) – LILIANITTA, Active, 2007.

6.c4 Bg4 7.Be2 e5 8.d3 Nc6 9.Nbd2 Qd7 10.0-0 Rad8 11.Nd4?? Nd4?? 12.ed4= ed4 13.Bd4 Be2 14.Qe2 Rfe8 15.Qd1 Qf5 16.Nf3 c5 17.Bc3 cb4 18.ab4 a6 19.Qd2 d5 20.c5 h6 21.Rfe1 Kh7 22.h3 h5 23.Re8 Re8 24.Re1 Bh6 25.Qd1 Bg7 26.Re8 Ne8 27.Bg7 Ng7 28.Qe2 Qe6?? 29.Kf1 Qe2+= 30.Ke2 Nf5 31.d4 Kg7 32.Kd3 Kf6 33.g3 Ne7 34.Ne5 Nc6 35.Kc3?? Ne5–+ 36.de5 Ke5 37.Kd3 f5?? 38.f4=+ Ke6?? 39.Kd4+= h4?? 40.gh4+- Kd7 41.Kd5 Kc7 42.h5! gh5 43.h4 Kd7 44.Ke5 Kc6 45.Kf5 Kb5 46.Kg5 Kb4 47.f5 a5 48.f6 a4 49.f7 a3 50.f8Q Kc3 51.Qf6 Kb3 52.Qe6 Kb2 53.Qb6 Kc2 54.Qb7 a2 55.Qa6 Kb2 56.c6 a1Q 57.Qa1 Ka1 58.c7 (58.c7 Kb2 59.Kh5 Kc3 60.c8Q Kd4 61.Kg6 Kd5 62.h5 Ke4 63.Qe6 Kd3 64.h6 Kc3 65.h7 Kb2 66.h8Q Kc2 67.Qe4 Kb3 68.Qb8 Kc3 69.Qbb4) 1–0. Fournier,Frederic (1940) – tenista07 (1820), Active (3/3), 2005.

6.Bc4 Nc6 7.0-0 e6 8.d4 d5 9.Bd3 a6 10.Re1 b5 11.Nc3 Ne7 12.e4 de4 13.Ne4 Bb7 14.Rc1 Ne4 15.Be4 Be4 16.Re4 Nd5 17.Ne5 Qd6 18.c3 f6 19.Nf3 f5 20.Rh4 Qe7 21.Rc2?? Bf6 22.Rh3 Nf4 23.Rg3 Bh4 24.Rh3?? Nh3–+ 25.gh3 Bf6 26.d5? Rad8 27.c4 ed5 28.Bf6 Rf6 29.Ng5 dc4 30.Qc1 Rfd6 31.Qb2 Qg5 32.Kf1 Rd1 33.Ke2 Qe7 34.Kf3 Qe4 35.Kg3 Rg1 0–1. pieeater – Mr.Oldenslo, ChessWorld.net, 2011.

6.Bc4 Nc6 7.h4 e5=+ 8.h5 Bg4 (better 8...Nh5!? 9.d3 Bg4-/+) 9.hg6= hg6 10.Nc3?? (10.Be2 e4 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 a5=) 10...Ne7?? (better 10...e4–+) 11.Qb1 (11.Be2 e4 12.Nd4 Be2 13.Qe2 Ned5+=) 11...c6= 12.Ng5 d5 13.Bb3 Be6 (13...Nf5 14.e4 Nd4 15.Qa2=) 14.Ne2 Nd7 15.c4 f5?? (better 15...Bf5 16.d3 f6+=) 16.Ne6+- (16.Ne6 Qc8 17.Nf8 Qf8 18.Qc2+-) 1–0. FeegLood (2530) – Smolensky (2220), lichess.org, 2015.

6.Bc4 Nbd7 7.d3 c6 8.0-0 Qc7 9.h3 e5 10.e4 Re8 11.Nbd2 h6 12.Ba2 a5 13.c4 Nh5 14.Re1 Nf4 15.Nf1 Nf8 (15...Qb6 16.Qd2=) 16.Kh2 (16.d4 ab4 17.ab4 c5 18.bc5 dc5 19.de5 Rd8=) 16...Nh7 17.c5 dc5 18.bc5 Qd7 (18...b5 19.Bc1+=) 19.Qb3 (19.Bc4!?=) 19...a4 20.Qc4 Ng2 (20...Nd3!? 21.Re2 Nf6-/+) 21.Qf7= Qf7 22.Bf7 Kf7 23.Kg2 Ng5 24.Ng5 hg5 25.Re3 Ra5= 26.Rf3 Ke6 27.Bc1 Rc5+= 28.Bg5 Rc3 29.Bd2 Rb3 30.Bb4 Rd8-/+ 31.Rg3 Kf7 32.Rf3 Bf6 33.Nh2 Rdd3 34.Rd3 Rd3 35.f3 b6 36.Rc1 c5 37.Bc3 Be6 38.Ng4 Bg4 39.hg4 Ke6 40.Rc2 Be7 41.Bb2 b5 42.Kf2 c4 43.Ke2 Ba3 44.Bc3 Bd6 45.Ba5 Rb3 0–1. Stojadinovic,Tomislav – Genkin,Michael (2175), Hessen–ch int 1st, 1999.

6.Bc4 e5 7.Bb3 (7.0-0 e4 8.Ne1 a5=) 7...e4+= 8.Nd4 Bg4 (8...c5 9.Nb5+=) 9.f3= ef3 10.Nf3 Qe7 (10...Nbd7 11.h3 Be6 12.0-0=) 11.0-0 Nbd7 (11...Nc6 12.Qe1=) 12.h3 (12.Qe1 Be6=) 12...Bf3 (12...Be6 13.c4=) 13.Qf3+= (worse is 13.gf3 Nh5 14.Bg7 Qg5 (14...Kg7?! 15.f4=; 14...Ng7?! 15.Nc3=) 15.Kf2 Kg7-/+ (15...Ng7?! 16.f4 Qe7 17.Nc3=)) 13...c6 14.c4 (14.Bd4 Ne4=) 14...Ne5 15.Qe2 (15.Qd1 a5=) 15...Ne4 16.d4 (16.Rf4 Ng3 17.Qd1 Nd3 18.Bg7 Nf4–+ (18...Kg7?! 19.Rf3=)) 16...Ng3+= 17.Qf2 Nf1 18.de5 Be5 19.Kf1 Bb2 20.Qb2 Qe3 21.Nd2 (21.Qc3 Rae8-/+) 21...Rae8 22.Nf3 Qd3 23.Kf2 (23.Kg1 Re2 24.Qb1 Qc3-/+) 23...Re3 24.Bd1 (24.Rb1 Rfe8 25.Qc1 d5-/+) 24...Rfe8 25.Qc1 R3e4 26.Qd2 Qc4 27.Qd6 Qc3 28.Ra2 Qe3 29.Kg3 R8e5 (29...f5 30.Kh2 R4e6 31.Qc7+=) 30.Rd2 (30.Qb8 Kg7 31.Qb7 Qf4 32.Kf2 Qc1=) 30...Kg7 (30...Qa3 31.Qb8 Re8 32.Qb7 Qb4 33.Qc6+=) 31.Rd3+= Qf4 32.Kf2 Qf5 (32...h6 33.g3 Qf5 34.Qd7 Qd7 35.Rd7+=) 33.Rd2= Qf4 34.Rd3 Re7 (34...h6 35.g3 Qf5 36.g4+=) 35.Qf4 Rf4 36.g3 Rfe4 37.Nd2 R4e6 38.Bf3 (38.Nc4 a6=) 38...f5 ½–½. Tomb,Maroun (2130) – Masse,Hugues (2185), Open Invitational, 2013. (=1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.d3 e5 7.c4 Nbd7 8.Be2 h5 (8...a5 9.0-0=) 9.0-0+= Nh7 (9...Re8 10.d4+=) 10.Nc3 Ng5 (10...Nhf6 11.d4+=) 11.Ng5+/– Qg5 12.Qd2 c6 13.Rad1 (13.f4 Qe7+/–) 13...Re8+= 14.f4 ef4 15.ef4 (15.Rf4 f5+=) 15...Qe7 16.Rde1 Qe3 17.Qe3 Re3 18.Nd1 Re8 19.Bf3 Re1 20.Re1 Bb2 21.Re8 Kg7 22.Nb2 Nb6 23.Kf2 Bd7 24.Ra8 Na8 25.g3 Nc7 26.Ke3 Kf6 27.Na4 Be6 28.Nc3 Ke7 29.Kd4 Bd7 30.Be4 Ne8 31.Nd1 (31.a4 Nf6+=) 31...Nc7 (31...Ng7 32.Nf2=) 32.Ne3+= h4 33.Kc3 hg3 34.hg3 b6 35.d4 a5 (35...b5 36.c5+=) 36.c5 (36.d5 ab4 37.ab4 c5+=) 36...ab4 (36...Nb5 37.Kd2 bc5 38.dc5 ab4 39.ab4=) 37.ab4+= bc5 38.bc5 ½–½. Cirulis,Ilmars (1905) – Satonnet,Patrick (1760), FICGS, 2015.

6.Bd3 a5 7.0-0 Bg4 8.h3 Bd7 9.Re1. pieeater – neruda, ChessWorld.net, 2012.

6.d4 a5 7.b5 c6 8.c4 Re8 9.Be2 e5 10.de5 de5 11.Qd8+/– Rd8 12.Be5 Nbd7 13.Bb2 cb5 14.cb5 Nc5 15.0-0 Nd3? 16.Bd4 Bf5 17.Nbd2 Rac8 18.Bd3 Bd3+= 19.Rfc1 Ne4 20.Bg7 Kg7 21.Ne4 Be4 22.Nd4 b6 23.f3 Bd3 24.Kf2 Rc5 25.Rc5 bc5 26.Nc6 Rc8 27.a4 c4 28.Na5 c3 29.Rc1 c2 30.Nb3 Rc3 31.Nd4 Kf6 32.b6 Ba6 33.Rc2 Ra3 34.Rb2 Bb7 35.Rb4 Ra2 36.Kg3 Ke5 37.Nb5 h5 38.h4 f5 39.Nc3 Ra3 40.Nb5 Ra2 41.Nc7 Kd6 42.Ne8 Ke7 43.Ng7 Kf7 44.a5 Ra5 45.Nf5 Rf5+/– 46.Rc4 Ke6 47.Rc7 Rf7 48.Rf7 Kf7 49.Kf4 Ke6 50.Kg5 Kf7 51.e4 Bc6 52.e5 Ke6 53.Kg6 Ke5 54.Kh5 Kf4 55.Kg6 Kg3 (55...Kg3 56.h5 Kg2+-) 1–0. Fournier,Frederic (1840) – sinmiedoaperder (1620), Active, 2007.

6.d4 b6 7.c4 c5 8.Nc3 Bb7 9.d5 a6 10.Be2 e5 (10...Nbd7 11.0-0+=) 11.0-0+= Nbd7 12.Nd2 Ne8 13.Nde4 Qe7 14.Re1 f5 15.Ng3 e4 16.Qc2 Ne5 17.Nf1 (17.Reb1 cb4 18.ab4 Rc8+=) 17...Rc8 18.Nd2 g5 19.f4 (19.Reb1 Nf6+=) 19...gf4 20.ef4 Ng6 21.g3 Nf6 22.Bf1 h5 (22...b5 23.bc5 Rc5 A) worse 24.cb5 A1) 24...Bd5?! 25.Nb3 (25.ba6? Qa7 26.Kg2 Ng4-+; 25.Nd5 Rc2 26.Ne7 Ne7 27.Bf6 Bf6-/+) 25...Rcc8 26.Qd1= (26.ba6? Qa7 27.Qf2 Qf2 28.Kf2 Ng4 29.Kg1 Bb3-+); A2) 24...Nd5 25.Bc4 Bc3 26.Qc3 ab5 27.Bd5 Bd5-/+; B) 24.Nb3=) 23.Bg2 (23.Bh3 Nd7+=) 23...h4= 24.Nf1 (24.Bh3 Nd7=) 24...hg3 25.hg3 Ng4 26.Ne3 (26.Na4 b5 27.Nb6 Rc7=+) 26...Bd4 (26...Ne3!? 27.Re3 Bd4-/+) 27.Ncd1=+ Qf6 28.Bd4 Qd4 29.Qc3? (29.Rb1 cb4 30.Rb4 Ne3 31.Ne3 Bd5=) 29...Ne3 (better 29...Qc3 30.Nc3 Ne3 31.Re3 cb4 32.ab4 Rc4-+) 30.Qd4?? (better 30.Re3 b5 31.cb5 ab5 32.Bf1=+) 30...cd4-+ 31.Ne3 de3 32.Re3 (32.Bf1-+) 32...Rc4 33.Rae1 (33.Rd1 Rfc8-+) 33...Bd5 (33...Ne7 34.Bf1 Rc7 35.R3e2-+) 34.g4 (34.Bf1 Rc2 35.Ba6 Ra8-+) 34...Ne7 (better 34...fg4!? 35.Be4 Be4 36.Re4-+) 35.gf5 Nf5 36.R3e2 Re8 37.Rd2 Be6 (37...Rd4 38.Rd4 Nd4 39.Re3-+) 38.Rdd1 (38.Be4 Bf7 39.Rde2 Nd4-+) 38...Kf7 (better 38...e3 39.b5 ab5 40.Rb1-+) 39.Kf2 (39.Be4 Rg8 40.Kf2-+) 39...e3 40.Ke2 (40.Kg1 Rc2 41.Rc1 Rd2-+) 40...Rf4 41.Rd2 (41.Rg1 Rg8 42.Kd3-+) 41...Rf2 42.Kd1 Rd2 (42...ed2 43.Re6 Ke6 44.Kc2 Rc8 45.Bc6 Rc6 46.Kd3 d1Q 47.Ke4 d5) 43.Kc1 Rg2 (43...Nd4 44.Rf1 Ke7 45.Ba8 Rc8 46.Bc6 Rc6 47.Kb1 Ba2 48.Ka1 Nb3) 44.Rd1 (44.Kb1 Nd4 45.Rf1 Rf2 46.Rf2 ef2 47.Kc1 f1Q 48.Kb2 Rc8 49.b5 Rc2) 44...Rd2! 45.Rd2 (45.Rd2 Rc8 Double attack) 45...ed2 (45...Rc8 46.Rc2 e2 47.Rc8 e1Q 48.Kb2 Bc8 49.Kc2 Nd4 50.Kd3 Bf5 51.Kd4 Qd2 52.Kc4 Qd3) 46.Kd2 Rc8 47.b5 Rc4 (47...ab5!? 48.Kd3-+) 48.ba6 Ra4 49.Kd3 Ra6 50.Kc2 Ra5 (50...Ne3 51.Kb2 Nc4 52.Kb3 Ra3 53.Kb4-+) 51.Kd2 Bd5 52.Kc1 Ke6 53.Kb2 Kf6 (53...Rc5 54.Kb1 Nd4 55.Kb2 Rc2 56.Ka1 Ba2 57.a4 Nb3) 54.a4-+ Kg5 55.Kc3 Kh4 56.Kb4 Kh3 (56...Rc5 57.Ka3 Nd4 58.Kb2 Rc2 59.Ka3 Nc6 60.a5 Ra2) 57.Kc3-+ Kh2 58.Kb4 Kh1 (58...Rc5 59.a5 Nd4 60.ab6 Nc6 61.Ka3 Rc2 62.Ka4 Ra2 63.Kb5 Ra5) 59.Kc3-+ Kg1 60.Kc2 Kf1 61.Kb2 Ke1 62.Kc3 (62.Kc2 Rc5 63.Kb2 Nd4 64.Ka3 Rc3 65.Kb2 Rb3 66.Kc1 Be4 67.a5 Rb1) 62...Ke2 (62...Rc5 63.Kb2 Nd4 64.Ka3 Rc3 65.Kb2 Rc2 66.Ka3 Nc6 67.a5 Ra2) 63.Kb2 Ke3 (63...Ke3 64.Kc2 Nd4 65.Kc1 Rc5 66.Kb2 Rc2 67.Ka3 Nc6 68.a5 Ra2; 63...Ra4 64.Kc2 Ne3 65.Kc1 b5 66.Kb1 Nd1 67.Kc1 Ba2 68.Kc2 Rc4) 0-1. CronusCR (2300) - Ghostqiuyu (2520), Rated Bullet game, lichess.org, 2017.

6.d4 c5 7.dc5 dc5 8.bc5 Qd1 9.Kd1 Nbd7 10.Ke1 (10.Nbd2 Rd8 11.Bc4 Nc5=) 10...Nc5=+ 11.Nbd2 Ncd7 12.Bc4 Re8 (12...a6 13.Rd1=) 13.Bb3 a6 14.Ng5 b5?? (better 14...e6=) 15.Bf7+- Kf8 16.Be8 Ke8 17.Ne6 Bh8 (17...Kf7 18.Ng7 Kg7+-) 18.Nc7 Kd8 19.Na8 Bb7 20.Bd4 (20.e4 Ba8 21.Rd1 Bg7+-) 20...Ba8 (20...Bg2 21.Rg1 Ba8 22.a4 ba4 23.Ra4+-) 21.a4 (21.f3 e5 22.Bb2 Nd5+-) 21...Bg2 22.Rg1 Bc6 23.ab5 Bb5 (23...ab5 24.f4+-) 24.c4 Bc6 25.Ra6 Kc7 26.Ra7 Bb7 (26...Kd6 27.f4 Ke6 28.Ra6+-) 27.c5 (27.Ke2 Kc8+-) 27...Bg7 (27...e5 28.Bb2+-) 28.Nc4 (better 28.Ke2 Kc8 29.c6 Bc6+-) 28...Nh5 (28...Kb8 29.Ke2 Bd5+-) 29.Bg7 (29.Na5!? Nc5 30.Bc5 Bc3 31.Ke2 Ba5+-) 29...Ng7 30.Na5 (better 30.c6 Kc6 31.Na5 Kd5 32.Nb7+-) 30...Nc5 31.Ke2 Kb6 (31...Nf5 32.Nb7 Nb7 33.Ra8+-) 32.Nb7 Nb7 33.Ra2 (33.Ra8!? Ne6 34.Rh8 g5 35.Rh7 Nbc5+-) 33...Nf5 (33...Nd6 34.Ra8 Nge8 35.Rc1+-) 34.Rb1 Kc7 35.Ra7 Nfd6 36.Rab7! Nb7 37.Kf3 Nd6 38.Kf4 Kd7 39.Ke5 Nf7 40.Kf4 Nd6 41.Kg5 Ke6 (41...Nf7 42.Kg4+-) 42.Rd1 (42.Kh6!? Ne4+-) 42...Kf7 43.Kh6 (better 43.Ra1 Kg7 44.f4+-) 43...Nf5?? (better 43...Kg8 44.Rd6! ed6+-) 44.Kh7+- Nh4 (44...Kf6 45.e4 Nh4 46.Rd3+-) 45.Kh6 (45.Rd4!? g5 46.Rh4 gh4+-) 45...Nf3 46.Rd4 (better 46.h3 Kf6+-) 46...Ne5 (46...e5 47.Rd7 Ke6+-) 47.Rf4 Ke6 (47...Ke8 48.h4+-) 48.Kg5 (better 48.Re4 Kf6 49.Re5 Ke5 50.Kg6 Ke4+-) 48...Nf7 (48...Kd7 49.Re4 Nf3 50.Kg6 Nh2 51.Kf7+-) 49.Kg4 (better 49.Kg6 Ne5 50.Kg7+-) 49...Ne5 50.Kg3 Nf7 51.Re4 Kf6 52.Rf4 Kg7?? (52...Ke6 53.Ra4 Kf6+-) 53.h4 Nh6 54.Rg4! Nf5 (54...Ng4 55.Kg4 Combination) 55.Kf4 Nh4 (55...Kf6 56.Ke4+-) 56.Rg5 (56.Rh4 Kf6 57.Ke4 Kg5+-) 56...Ng2?? (56...Kf6 57.Rd5+-) 57.Kg3 (57.Rg2!? Kf6 58.Rg5 e6+-) 57...e5 (57...Ne1 58.f4 Kf6 59.Kf2+-) 58.Rg4 (better 58.Kg2 Kf6 59.f4+-) 58...e4 (58...Ne1+-) 59.Kg2 1-0. allyouneedisluft (2550) - kovadlinka (2350), Rated Bullet game, lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3 d6)

6.d4 c6 7.Be2 d5 8.0-0 Nbd7 9.Ne5 Re8 10.f4 Ne4 11.c4 f6 (11...Ndf6 12.Nc3=) 12.Nf3+= Nf8 13.Nbd2 Bg4 14.Ne4 de4 15.Ne1 Be2 16.Qe2 f5 17.Rd1 e6 18.Nc2 Rc8 19.Ne1 Nd7 (19...Ra8 20.Rf2+=) 20.g4 Qe7 21.Ng2 Nf6 22.g5 Nd7 23.Rfe1 Red8 24.Qc2 Rc7 25.Qb3 Nb6 26.a4 Rcd7 27.a5 Nc8 28.Re2 Qf7 29.Red2 Nd6 30.Ne1 b5 31.cb5 cb5 32.Nc2 (32.Rc1 e5 33.Qf7 Nf7=+ (worse 33...Kf7 34.de5 Nc4 35.Rd7 Rd7 36.Bd4+=)) 32...Nc4-/+ 33.Rg2 a6 (33...e5 34.fe5 Ne5 35.Qf7 Kf7 36.Bc3-/+) 34.Na3 (34.Rc1 Rc7=+) 34...Rc8 (better 34...e5 35.fe5 Ne5 36.Qf7 Kf7-/+ (36...Nf7?! 37.Rc1=+)) 35.Bc3?? (better 35.Rc1=) 35...Ne3-+ 36.Rgd2 Nd1 37.Rd1 Qe7 (37...e5 38.d5 ef4 39.Bg7 Qg7 40.Nb1-+) 38.Bb2 Qd6 39.Nc2 (39.Kg2 Bf8 40.Rb1 Rc6-+) 39...Qf4 40.Ne1 (40.Qe6 Kh8 41.Re1 Qg5 42.Kf1 Qf4 43.Kg1 Rdd8-+) 40...Rcd8 (better 40...Rc4!? 41.Ng2 Qg5 42.Kh1-+) 41.Ng2 Qg5 (41...Qd6 42.Rf1-+) 42.Qe6 Kh8 43.Bc3 (43.Kh1 Qh5 (43...Bd4 44.Rd4 Rd4 45.Qf7=) 44.Re1 Rd6-+) 43...Qe7 (43...Rc7 44.Bd2 Qg4 45.Re1-+) 44.Qb3 (44.Qe7 Re7 45.Nf4 g5-+) 44...Bd4 45.Bd4 Rd4 46.Rf1 (46.Qc3 Qg7 47.Rf1 Rd1-+) 46...Qg7 (46...Qb4 47.Qg3-+) 47.Qh3 (47.Kh1 Qf8 48.Qg3 Qd6-+) 47...Rd2 (47...Rb4 48.Kh1-+) 48.Nf4 Kg8 (48...R8d6 49.Kh1 Rd1 50.Ne2-+) 49.Qg3 (49.Qb3 Qf7 50.Qg3 Rd1 51.Rd1 Rd1 52.Kf2 Qa2 53.Ne2 Rd3 54.Qb8 Kg7 55.Qc7 Kf6-+) 49...Qf7 (49...Qb2 50.Ne6 R8d6 51.Nf4-+) 50.Nh5 (50.Ng2 Qa7 51.Kh1 Qd4-+) 50...R2d3 (better 50...Rd1 51.Nf4 Qc4-+) 51.Nf4 (51.Qg5 Rd1 52.Rd1 Rd1 53.Kg2-+) 51...Rg3 52.hg3 Rd4 (52...Rd2 53.Rf2 Qa7 54.Nh3-+) 53.Kg2 Qe7 (53...Rd2 54.Kh1 e3 55.Kg1 Qb7 56.Rb1 Qf3 57.Ne2 Qe2 58.Re1 Qe1) 54.Rf2 Qd6 55.Ne2 Rd2 56.Nf4 Rf2 (56...e3 57.Rd2 ed2 58.Kf2 Qd4 59.Kg2 d1Q 60.Kh2 Qf2 61.Kh3 Qg4) 57.Kf2 Qf4! 58.gf4 Kf7 59.Ke3 Ke6 60.Kd4 Kd6 61.Ke3 Kd5 62.Kd2 Kc4 63.Kc2 Kb4 64.Kd2 Ka5 65.Ke3 Kb6 (65...b4!? 66.Kd4-+) 66.Kd4 Kc6 67.Ke5 b4 68.Kf6 e3 69.Kg7 e2 70.Kh7 e1Q 71.Kg6 Qe4 72.Kg5 (72.Kf7 b3 73.Kf6 b2 74.Kg6 b1Q 75.Kf6 Qb2 76.Kf7 Qh8 77.Kg6 Qg8 78.Kf6 Qee6) 72...b3 73.Kg6 (73.Kh6 Qg2 74.Kh7 b2 75.Kh6 b1Q 76.Kh5 Qbh1) 73...b2 74.Kg5 (74.Kf7 b1Q 75.Kf8 Qb8 76.Kf7 Qbe8 77.Kf6 Q4e7 78.Kf5 Qh5) 74...b1Q 75.Kg6 (75.Kf6 Qb2 76.Kf7 Qh8 77.Kg6 Qg8 78.Kf6 Qee6) 75...Qbb4 (75...Qe6 76.Kg5 Qg1 77.Kh5 Qg4) 76.Kf6 (76.Kg5 Qg2 77.Kh5 Qc3 78.Kh4 Qg4) 76...Qd6 77.Kg5 Qef4 78.Kh5 Qdh6 (78...Qg4) 0-1. CronusCR (2205) - BeepBeepImAJeep (2565), Hourly Bullet Arena, lichess.org, 2017. (=1.a3 Nf6 2.b4 d6 3.Bb2 g6 4.e3 Bg7 5.Nf3 0-0)

6.d4 c6 7.Be2 Nbd7 8.c4 Re8 9.Nbd2 e5 10.de5 de5 11.0-0 e4 12.Nd4 c5 13.Nc2 b6 14.b5 a6 15.a4 ab5 16.ab5 Ra1 17.Qa1 Bb7 18.Rd1 Qc7 19.Bc3 Ra8 20.Qb2 Qb8 21.Ra1 Ra1 22.Qa1 Qa8 23.Qa8 Ba8 24.Ne1 h5 25.g3 Kh7 26.Ng2 Kh6 27.Nf4 Ng4 28.Bg7 Kg7 29.h3 g5?? 30.Nh5+- Kg6 31.Bg4 Ne5 32.Be2 Nf3 33.Nf3 ef3 34.Bd3 Kh5 35.Kh2 g4 36.hg4 Kg4 37.Bf1 Bb7 38.Bh3+/– Kg5 39.Bd7 Be4 40.Be8 f6 41.Bf7 Kh6? 42.Kh3 Kg7 43.Be6 Kf8? 44.Kg4+- Ke7 45.Bd5 Bd5 46.cd5 Kd6 47.Kf3 Kd5+= 48.Ke2 Kc4=+ 49.Kd2 Kb5 50.Kc3 Kc6 51.f4? b5 52.e4=+ Kd6 53.g4 Ke6 54.Kb3 Kd6 55.Kc3 Ke6 56.Kb3 c4 57.Kb4 Kd6 58.Kc3 Kc5–+ 59.g5 b4 60.Kc2? Kd6?? 61.g6?? Ke7= 62.f5 Kf8 63.Kb2 Kg7 64.Kc2 Kf8 65.Kb2 Ke7 66.Kc2 Kf8 ½–½. Fournier,Frederic – avila, Active (5/0), 2005.

6.d4 Nc6 7.c4 e5 8.de5 de5 9.Qd8+/– Rd8 10.Be5?? Ne5=+ 11.Ne5 Nh5 12.f4= Re8 13.Nc3 Nf4 14.ef4 Be5?? 15.fe5+- Re5 16.Be2 Bg4 17.Ra2 Rae8 18.0-0?? Be2+= 19.Ne2 Re2 20.Re2 Re2 21.h3 Re8 22.Kh2 a6 23.Rf3 c6 24.c5 h5 25.Kg3 Kg7 26.Kh2 Kh6 27.Kg3 f5=+ 28.Kh2 Re7 29.Kg3 g5 30.Kh2 h4 31.Rb3? Kh5 32.a4 g4 33.hg4 fg4 34.b5?? cb5 35.ab5 ab5 36.Rb5=+ Kh6 37.Rb3 g3 38.Rg3?? hg3–+ 39.Kg3 b5 (39...b5 40.cb6 Kg5–+) 0–1. Fournier,Frederic (1885) – cos, Club Owl21 Owl21.com, 2007.

6.d4 Nc6 7.c4 Bg4 8.Be2 Nd7 9.Nbd2 e5 10.de5 Bf3 11.Nf3 Nce5 12.Ne5 Ne5 13.Qc2 Qg5 14.0-0 Qh4 15.h3 f5 16.Rad1 f4 17.ef4 Qf4 18.Qd2 Qf5 19.Be5 Be5 20.Bd3 Qh5 21.Qe2 Qe2 22.Be2 Rf4 23.Rfe1 Rc4?? 24.Bc4+- Kg7 25.Rf1 Re8 26.f4 Bb2 27.a4 Ba3 28.Bb5 (28.Bb5 c6 29.Bc6 bc6 30.Rd6 Bb4 31.Rc6+-) 1–0. Fournier,Frederic (1770) – piratin (1745), Active (1/1), 2005.

6.d4 e6 7.c4 c6 8.Be2 d5 9.cd5 cd5 10.Nbd2 Nbd7 11.0-0 b6 12.Rc1 Bb7 13.Qb3 Rc8 14.Rc8 Qc8 15.Rc1 Qb8 16.Rc3 Ng4 17.h3 Qh2?? (better is 17...Ngf6+=) 18.Nh2+- Nh2 19.Kh2 e5 20.de5 (better is 20.Rc7 Bc8 21.Qc2 ed4 22.Bd4 Bd4 23.ed4 Kg7+-) 20...Ne5 (20...Be5 21.f4 Bb8 22.Bf3+-) 21.Rc7 (21.Rc7 Ba8 22.f4+-) 1–0. Fournier,Frederic – xab2, Active, 2009.

6.d4 Re8 7.c4 e5 8.de5 de5 9.Qd8+/– Rd8 10.Ne5 Bf5 11.Be2 Bb1 12.Rb1+- Ne4 13.Nf3 Bb2 14.Rb2 Nc6 15.0-0 f5 16.Rd1 Rd1 17.Bd1 Nc3 18.Bb3 Ne4 19.g3 Kg7 20.Kg2 Re8 21.Nd4 Nd4 22.ed4 Nf6 23.d5 Rd8 24.Re2 Ne4? 25.f3 Nc3 26.Re3 Nb1 27.Re7 Kf6 28.Rc7 Na3 29.Rb7 Nc4 30.Bc4 Rc8 (30...Rc8 31.Bb5 Rc2 32.Kh3 Ke5+-) 1–0. Fournier,Frederic – Aurel_lata, Partie evaluee, 1m + 0s, 2008.

6.d4 Ne8 7.c4 c6 8.Be2 Nd7 9.Nc3 e5 10.de5 de5 11.0-0 e4 12.Nd4 f5? (12...c5 13.Nb3 Qh4 14.Qc2+=) 13.c5 (better 13.Ne6 Qh4 14.Nf8 Nf8 15.Na4+-) 13...Ne5+= 14.Qb3 Kh8 15.Rfd1 Qe7 16.Bc4 (16.Rd2 Nc7+=) 16...Nc7 17.Rac1 Ng4 18.h3 Nf6 (18...Ne5 19.Be2+=) 19.a4 White intends b5 (19.Rd2 Bd7+=) 19...Bd7 (19...Nd7 20.Qa3+=) 20.b5 Rad8 21.bc6 (21.b6 ab6 22.cb6 Na8+/-) 21...bc6+= 22.Ba3 Nfd5?? (better 22...Rb8 23.Qc2 Qe5=) 23.Nd5 cd5 24.c6 dc4 25.Be7 (25.cd7?! Qd7 (25...cb3? 26.Be7 Rd7 27.Bf8 Bf8 28.Nb3+-) 26.Qc4 Rf7+/-) 25...cb3 26.Bd8 (26.Bf8 Bd4 27.Rd4 Rf8 28.cd7 b2+-) 26...Rd8? (26...b2 27.Rb1 (27.Bc7?! bc1R 28.Rc1 Bc8+-) 27...Rd8 28.Nb5+-) 27.cd7 (better 27.Nb3!? Bb2 28.Rc2 Be5+-) 27...Rd7 28.Nc6?? (better 28.Nb3 Rd1 29.Rd1+-) 28...Rd1 (28...b2!? 29.Rb1 Rd1 30.Rd1 a6+/-) 29.Rd1+/- Bf6 (better 29...Ne6+/-) 30.Rd7?? (better 30.Nd4 Bd4 31.ed4+- (31.Rd4?! Na6=)) 30...b2-/+ 31.Rc7?? (better 31.Rd1 Nd5 32.Rb1-/+ (32.Na7?? Nc3 33.Rf1 Ne2 34.Kh2 Nc1-+)) 31...b1Q-+ 32.Kh2 Be5 (better 32...Qb6 33.Rc8 Kg7-+) 33.Ne5 Qb8 (33...Qb8 34.Rc5 Qd6-+) 0-1. POLSKA_HUSARIA (2000) - blitzbullet (2430), Hourly HyperBullet Arena, lichess.org, 2017.

6.d4 Bf5 7.Bd3 Qd7 8.c4 Be6 9.Nbd2 d5 10.c5 b6 11.0-0 bc5 12.bc5 Nc6? 13.Rb1?? Rab8 14.Bc3 Rb1 15.Qb1 Rb8 16.Qc2 Ne8 17.Rb1 f5? 18.Bb5 Rd8?? 19.Qa4 Qc8 20.Bc6 Nf6 21.Bb5 Ne4 22.Ne4 fe4 23.Nd2 Rf8 24.Ba6 Qd8 25.Qc6 Bd7 26.Qd5 Kh8 27.Ne4 Rf5 28.Qb7 Qf8 29.f3 Bc8 30.Qc8 Qc8 31.Bc8 Rf8 32.Be6 Rf6 33.Bd7 Ra6 34.Rb8 Bf8 35.Rf8 Kg7 36.Rc8 Ra3 37.Rc7 a5 38.Ra7 a4 39.Ra4 Rb3 40.Kf2 h6 41.Kg3 Kf7 42.Rb4 Ra3 43.Rb7 Ra2 44.Bc6 Re2 45.Bd5 Ke8 46.Bc4 Re3+- 47.Ba5 Re2 48.Bb5 Kf7+- 49.Be2 Ke6 50.h4 Kd5 51.Re7 Kd4 52.Rg7 Ke3 53.Rg6 Ke2 54.Rh6 Ke3 55.f4 Kd4 56.f5 Ke4 57.f6 Ke5 58.f7 Kd5 (58...Kd4 59.f8Q Kd3 60.Rd6 Kc2 61.Rd2 Kb3 62.Qb8 Kc4 63.Qb4) ½–½. Fournier,Frederic – Deepmax, Active, 2009.

6.d4 Bg4 7.Be2 Nbd7 8.c4 c6 9.Nbd2 Rc8 10.Rc1 c5 11.dc5 dc5 12.b5 b6 13.0-0 Re8 14.Ne5 Ne5 15.Be5 Be2 16.Qe2 Qd7 17.Rfd1 Qe6 18.Nf3 Ng4 19.Bg7 Kg7 20.h3 Nh6 21.Rd5 Nf5 22.Rcd1 f6 23.Qd3 Qf7 24.Rd7 Ra8? 25.Rd5 Nd6 26.Qc3 Red8 27.Ng5+/– Qg8 28.Nf3 Ne4 29.Qc2+= Rd5 30.Rd5 Nd6 31.Qd3 Qe6 32.Nd2 f5 33.f3 Nf7 34.e4 f4 35.Qc3 Kh6 36.e5 Qf5 37.Ne4 Ng5 38.e6 Qf6?? 39.Qf6 ef6+- 40.Nf6 Ne6+/– 41.Ng4 Kg7 42.Ne5 Nd4 43.Rd7 Kf6 44.Nd3 Re8? 45.Rh7 Ne2 46.Kf2 Ng3? 47.Nf4 Rd8 48.Kg3 g5 49.Nd5 Kg6 50.Ra7 Rb8 51.Ra6 Re8 52.Rb6 Kf5 53.Rf6 Ke5 54.a4 1–0. Fournier,Frederic – Guito, Active (4/0), 2005.

6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.a3).

6.c4 e5

7.d3 Bg4 8.Be2 Nbd7 9.Nbd2 e4 10.de4+/– Re8 11.Qc2 Qe7 12.0-0 Bf3 13.Bf3 Ne5 14.Be2 Neg4 15.Bg4 Ng4 16.Bg7 Kg7 17.Qc3 Kg8 18.f3 Ne5 19.Rac1 Qh4 20.c5 dc5 21.Qc5 c6 22.Nc4 Nd3+= 23.Qd4 Nc1 24.Rc1 Rad8 25.Qc3 Qe7 26.Nb2 Qd7 27.Qc2 Qd2 28.Nc4 Qc2 29.Rc2 Rd1 30.Kf2 Red8 31.Ke2 Kf8 32.Nb2 Rg1 33.Kf2 Ra1 34.a4 Ra2 35.g3 Rd3! 36.Nd3 Rc2 37.Kg1 Ke7 38.a5 b6 39.ab6 ab6 40.f4 f6 41.h4? Rc3 42.Nf2 Re3 43.Nd1 Rg3 44.Kf2 Rb3 45.Ne3 Rb4 46.Nc2 Re4 47.Ne3 Rf4 (47...Rf4 48.Kg3 Rd4–+) 0–1. Fournier,Frederic (1750) – gaira, Active, 2006.

7.Be2 Na6 8.d3 c5 9.b5 Nc7 10.0-0 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Ne6 14.Nbd2 b6 15.Bc3 Bb7 16.Qa1 Qa8 17.Qa8 Ra8 18.Ra1 Ra1 19.Ba1 Nd8 20.Nb3 e4 21.de4 Ne4 22.Bg7 Kg7 23.Nbd2 Nc3 24.Bf1 Ne6 25.h3 f5 26.Kh2 Bf3 27.Nf3 Ne4 28.Kg1 g5 29.Bd3+/– h6 30.Kf1 Kf6 31.Be4 fe4= 32.Nd2 Nc7 33.Ne4+- Ke5 34.Nd2 d5 35.Ke2 dc4 36.Nc4 Kd5 37.Nb6+- Ke4 38.Nd7 c4? 39.b6 Na6 40.b7 Kd5 41.b8Q Nb8 42.Nb8 Kc5 43.Kd2 Kb4 44.Kc2 Kc5 45.Nd7 Kd5 46.Nf6 Ke5 47.Ng8 h5 48.Nh6 Kd5 49.Nf7 g4 50.hg4 hg4 51.Nh6 1–0. Fournier,Frederic (1620) – draclegend, Active, 2006.

7.Be2 c6 8.d3 Nbd7 9.0-0 a5 10.Nbd2 ab4 11.ab4 Ra1 12.Qa1 Qb6 13.Bc3 Nh5 14.Rb1 f6? 15.Qa2 Kh8 16.Ra1 f5+/– 17.Qa5 f4 18.Qb6 Nb6 19.e4 h6? 20.h3 Nf6? 21.Nh4 Kh7+= 22.Nhf3 g5 23.c5+/– dc5 24.bc5 Nbd7 25.d4 ed4 26.Bd4 Re8 27.Ra8 Kg6 28.Bd3 Kf7 29.e5 Nd5 30.Bc4 Ke6 31.Ne4+/– Ne5 32.Ne5 Be5 33.Be5 Ke5 34.Nd6 Nb6 35.Rc8?? Rc8= 36.Nc8?? Nc4 37.Nd6?? Nd6 38.cd6 Kd6 0–1. Fournier,Frederic (1955) – epi83 (2075), Active (5/1), 2004.

7.Be2 Nbd7 8.0-0 c6 9.d4 e4 10.Nfd2 d5 11.Nc3 Qe7 12.cd5 cd5 13.Nb5 Nb6 14.Rc1 a6 15.Nc3 Be6 16.Nb3 Nbd7 17.Na5 b6 18.Nc6 Qd6 19.b5 a5 20.a4 Nb8 21.Ra1 Qd7 22.Ba3 Re8 23.Ne5 Qc7 24.Rc1 Qb7 25.Qb3 Nfd7 26.Nc6 Nc6 27.bc6 Qc6 28.Ne4 Qb7 29.Nd6 Qb8 30.Ne8 Qe8 31.Bb5 Qd8 32.Rc6 Nf6 33.Rfc1 Ne4 34.Qc2 Bf5 35.Bd3 Qg5 36.f4 Qg4 37.Be4 de4 38.h3 Qg3 39.Qf2 Qf2 40.Kf2 Bf8 41.Bb2 h5 42.Rb6 Rd8 43.Rb5 Be6 44.Ra5 Rb8 45.Rb5 Ra8 46.a5 Bd7 47.Rb7 Be6 48.a6 Ra6 49.d5 Ra2 50.Rc2 Ra8 51.Rcc7 Kh7 52.Rc2 Bd5 53.Rd7 Be6 54.Rdc7 Bg7 55.Bg7 Kg7 56.R7c6 Rd8 57.Rc7 Rd6 58.R7c6 Rd7 59.Rc7 Rd8 60.Ke2 Rb8 61.R2c3 h4 62.Rc2 Ra8 63.Kf2 Ra3 64.R2c6 Kf6 65.Rb6 Ra2 66.Kg1 Re2 67.Kh2 Re3 68.Rcc6 Re2 69.Rb7 e3 70.Rcb6 Rf2 71.Rb1 Bd5 72.Rg1 e2 73.Rbb1 Bc4 74.Rbc1 Rf1 75.Rgf1 ef1Q 76.Rf1 Bf1 77.Kg1 Bc4 78.Kf2 Kf5 79.Kf3 Bd5 80.Kf2 Ke4 81.g4 Kf4 0–1. Adamkosh (1915) – Spanky1 (1905), lichess.org, 2019.

7.Be2 e4 8.Ng1 Re8 9.d3 a5 10.de4 Ne4 11.Bg7 Kg7 12.Qd4 Qf6 13.Qf6 Kf6 14.b5 Nd7 15.Nf3 Ndc5 16.Nfd2 Be6 17.Ne4 Ne4 18.Nd2 Nd2 19.Kd2 b6 20.Kc3 Rad8 21.Bf3 (21.Rhd1 Ke5+=) 21...d5= 22.Bd5 (22.Rhd1 dc4 23.Rd4 Rd4 24.ed4 g5=) 22...Bd5=+ 23.cd5 Rd5 24.a4 Red8 25.Ra2 (25.Kb3=+) 25...Rd3 (25...Rc5 26.Kb2 Rd2 27.Kb3 Ra2 28.Ka2 Rc2 29.Kb3 Rf2 30.g3-+) 26.Kc2 (better 26.Kc4=) 26...Rd2-+ 27.Kb1 Ra2 28.Ka2 Rd2 29.Kb3 Rf2 30.Rg1 Re2 31.Rf1 (31.Kc4 Re3 32.Kd5 Re5 33.Kc6 Rc5 34.Kd7 Rc4-+) 31...Ke6 32.Rg1 Re3 33.Kc4 (33.Ka2 f5-+) 33...f5 (33...Ra3 34.Re1 Kd7 35.Rd1 Kc8 36.h3-+) 34.Kd4? (34.Ra1-+) 34...Re4 35.Kd3 Ra4 36.Re1 (36.Rc1 Kd6-+) 36...Re4! 37.Rc1 (37.Re4 fe4 Passed pawn) 37...Kd6 38.Rc6 Kd7 39.Rf6 Re7 (better 39...Rh4 40.h3-+) 40.Rc6 (40.g3 Kc8-+) 40...Re6 (better 40...Re5!? 41.Rc4-+) 41.Rc3 Rd6 42.Ke3 Rd5 43.Ra3 (43.Rb3 c5-+) 43...Rb5 44.Kf4 (44.Ra2 Rd5-+) 44...Rb4 45.Kg5 (45.Ke3 a4 46.Ra2 Re4 47.Kd2 b5-+) 45...a4 (45...Rg4 46.Kh6 Rg2 47.Kh7-+) 46.Rd3 (46.g3 b5 47.Kh6 Ke7 48.Kh7 Kf6-+) 46...Kc6 47.Re3 (47.h3 b5 48.Rc3 Rc4-+) 47...Kb7 (47...Rg4 48.Kh6 Rg2 49.Kh7-+) 48.Rc3 (48.h3 Rb2 49.Ra3 Rg2 50.Kh6 b5-+) 48...b5 49.Re3 (49.Rc2 a3 50.Kh6 Rb2-+) 49...Rb3 (49...Rg4 50.Kh6 Rg2 51.Kh7-+) 50.Re6 a3 51.Kh6 (51.Re1-+) 51...a2 52.Kg7 Rb1 (better 52...a1Q 53.Kh7 Qh1 54.Kg7-+) 53.Re7 a1Q 54.Kh6 Qc3 (54...Rb2 55.Kh7 Rg2 56.h3-+) 55.Rf7 Qd2 56.Kh7 Qd3 (better 56...Rh1!? 57.Kg7 b4 58.g4-+) 57.Kg6 Qd4 (57...Rb2 58.g3 Rh2 59.Rf8 f4 60.Kg5 Qg3 61.Kf6 f3 62.Kf5 Rh5 63.Ke4 f2 64.Rf3 Re5 65.Kd4 c5 66.Kc3 Qf3 67.Kd2 Re2 68.Kc1 f1Q) 58.Rd7 f4 (58...Qd7 59.Kf6 Re1 60.h3 Re6 61.Kg5 Qe7 62.Kf4 Qh4 63.Kf5 Qf6 64.Kg4 Re4 65.Kh5 Rh4) 59.Rd4 Rc1?? (better 59...Rg1 60.Kf5 Rg2 61.Rf4 Rh2-+) 60.Rf4=+ Rc4 61.Rf3 (61.Rf2 b4=) 61...Rc6 (61...Rg4!? 62.Kf5 Rg2-/+) 62.Kg5 b4 63.Kg4? (63.h4!?=) 63...Rb6 (63...Rg6 64.Kf5 Rg2-+) 64.Kg3? (64.Kf5 c5 65.Ke4 Rg6-/+) 64...Rb5 (64...b3 65.Rf1 c5 66.h4-+) 65.Rb3 (better 65.h4-/+) 65...Rc5?? (better 65...c5 66.Rb1 c4-+) 66.Rb2 (better 66.Rb4 Kc6 67.h4+/-) 66...Rc3 67.Kf2 (better 67.Kf4 c5 68.h4=) 67...b3 (better 67...c5=+) 68.Kg1?? (better 68.Ke2+/-) 68...c5 (better 68...Rc1 69.Kf2 Rc2 70.Rc2 bc2 71.Kg3-+) 69.Rb3?? (better 69.Kf1-/+) 69...Rb3-+ 70.h3 (70.Kf2-+) 70...Rb2 71.Kh2 c4 72.h4 c3 73.h5 (73.Kh3 c2 74.Kg4 c1Q 75.g3 Rb4 76.Kf5 Qc5 77.Kg6 Rb6 78.Kf7 Qf5 79.Ke7 Re6 80.Kd8 Qd3) 73...c2 74.h6 (74.Kh1 c1Q 75.Kh2 Qf4 76.Kh3 Rb3 77.g3 Qg3) 74...c1Q 75.h7 (75.Kh3 Qf1 76.Kh4 Rg2 77.h7 Qh1) 75...Qf4 76.Kh3 Qh6 (76...Qh6 77.Kg4 Qf6 78.g3 Rb4 79.Kh5 Rb5 80.Kg4 Qf5 81.Kh4 Qh5; 76...Rb3 77.g3 Qg3) 0-1. universe64 (2400) - chess_stat (2565), lichess.org, 2016.

6.d4 Nbd7

7.c4 c5 8.bc5 dc5 9.d5 b5 10.cb5 a6 11.ba6 Ba6 12.Ba6 Ra6 13.0-0 Qa5 14.Nc3 Rb8 15.Rb1 Rab6 16.Qc2 h6 17.h3 Qa6 18.Rfd1+/– Ne8 19.Ne4?? Bb2 20.Nc5 Nc5 21.Qc5 Bf6 22.Rb6=+ Qb6 23.Qc1? Qb2 24.Ne1 Qc1 25.Rc1 Bb2 26.Rb1=+ Be5 27.Rc1 Ra8–+ 28.Nd3 Bd6 29.a4 Ra4 30.Rc8 Kf8 31.g3 Ra1 32.Kg2 Rb1 33.Nc5 Bc5 34.Rc5 Nd6 35.e4? Ne4 36.Rc8 Kg7 37.Rc7 Rb2 38.Re7 Nf2 39.Kf3 Nh3 40.d6 Rd2 41.d7 Ng5 42.Kf4 Ne6 (42...Ne6 43.Ke3 Rd6–+) 0–1. Fournier,Frederic (1975) – bergman (1965), Active (2/0), 2005.

7.c4 c6 8.Nc3 a6 9.Be2 e5 10.de5 de5 11.0-0 c5 12.Nd5 Nd5 13.cd5 Nb6? 14.bc5+/– Na4?? 15.Qa4+- Qd5 16.Rfd1 Qc5 17.Rac1 Qe7 18.e4 b5 19.Qb3 Bb7 20.Nd2 Rfd8 21.f3 Qg5?? 22.Nf1 Bc8 23.Rd8 Qd8 24.Rd1 Qb6 25.Kh1 Be6 26.Qd3 Bf6 27.Ne3 Rd8 28.Nd5 Bd5 29.ed5 Qd6 30.Qe4 Kg7 31.g3 Be7?? 32.Be5 (32.Be5 Qe5 33.Qe5 Bf6 34.Qc7+-) 1–0. Fournier,Frederic (1760) – magompi, Active, 2007.

7.c4 c6 8.Bd3 Qc7 9.0-0 b6 10.Nbd2 Bb7 11.Qe2 Rad8 12.Rfc1 Rfe8 13.c5 dc5 14.dc5 bc5 15.bc5 e6 16.Bd4?? Nd5?? 17.Rab1 e5 18.Ba1 N7f6? 19.Ne4?? Ne4= 20.Be4 Qa5?? 21.Qc4 f5? 22.Bc2 Kf8?? 23.Rb7+- Qa3 24.Bb2 Qa5 25.Ra1 Qa1 26.Ba1 Re7 27.Re7 Ke7 28.Qa6 Kd7 29.Ne5 Be5 30.Be5 Nb4 31.Qa7 Ke6 32.Bd6 (32.Bd6 Rd6 33.cd6 Kd6 34.Ba4+-) 1–0. Fournier,Frederic (1990) – Bodo (2070), Echecs21 (2/0), 2003.

7.c4 Ne4 8.Nbd2 f5 9.Be2 e5 10.Ne4 fe4 11.Nd2 Qf6 12.Ne4 Qf5 13.Bf3 Nf6 14.Nf6 Rf6 15.de5 de5 16.Qd8 Rf8 17.Qc7 Be6 18.0-0 Rac8 19.Qb7 Rc4 20.Bd5 Rh4 21.g3 Rh2 22.Kh2 Qh5 23.Kg1 Bd5 24.Qd5 Kh8 25.Qd7 Qf3 26.Rac1 h6 27.Rc7 Rf7 28.Qf7 1–0. barborski (1640) – pacusss, kurnik, 2012.

7.Nbd2 e5 8.Be2 e4=+ 9.Ng5 Re8 10.h4 h6 11.Nh3 Nf8 12.Nf4 d5 13.c4 c6 (13...dc4 14.Bc4 c6 15.Qc2=) 14.c5 (14.cd5 cd5 15.g4 Ne6 16.Ne6 Be6=) 14...Ne6 15.Ne6 Be6 16.g4 (16.h5 g5=) 16...Qd7 17.g5 hg5 18.hg5 Nh7 19.Rg1 Qe7 20.Qc2 Ng5 21.0-0-0 (21.b5 cb5 22.Bb5 Rec8=+) 21...f6 22.f4 (22.Rh1!?=+) 22...ef3!-/+ 23.Bd3 (23.Nf3 Bf5 Decoy; 23.Bf3 Bf5 Combination) 23...f5 24.Rdf1 (24.Rgf1 b5-/+) 24...Bf7 25.Kb1 (better 25.Bf5!? gf5 26.Qf5-/+) 25...Qe3 26.Bc1 Qd4?? (26...f2 27.Rh1 Qg3-+ (27...Bd4 28.Nb3 Qg3 29.Nd4+/-; 27...Qd4?! 28.Nb3 Qf6 29.Bg5 Qg5 30.Rf2-+)) 27.Nb3=+ Qf6 (27...Qc3 28.Rg5 d4 29.Na5 Qc2 30.Kc2=+) 28.Bg5 Qc3 Black prepares d4 29.Qc3 Bc3 30.Rf3 d4 31.Kc2 a5? (better 31...b5=) 32.Na5+- Kg7 (32...Bd5 33.Rh3+-) 33.Bf4 (better 33.Bc1!? Kf6 34.Nb7 Bd5+-) 33...Kf6+/- 34.Bg5 (34.Nb7 Ra3 35.Bg5 Kg7 36.Bf5 Re2 37.Kd3 Rh2 38.Bf6 Kh7 39.Rh3 Rh3 40.Bh3 Bb4 41.Ke2 Bc4 42.Kf2 Rh3 43.Bd4 Bd5-/+) 34...Kg7 35.Bd2 (35.Bc1 Kf6 36.Nb7 Bd5+-) 35...Bd2 36.Kd2 Kf6 37.Re1 (37.Rf4 Rh8 38.Rd4 Bd5+-) 37...Rh8 (37...Re1 38.Ke1 Re8 39.Kd2+/-) 38.Re2 (38.Rf4 Rh2 39.Kc1 Ra2 40.Rd4 Ra3 41.Rd6 Kg5 42.Nb7 Ra1 43.Bb1 R8a2+-) 38...Bd5 (38...Rh4 39.Bc4 (39.Nb7?! Bd5 40.Rf1 Ra3=) 39...Bc4 40.Nc4+/-) 39.Rg3 (39.Rf4!? Ra7+-) 39...Rh1 (39...Rh7+/-) 40.Rf2 (better 40.Bc4 Bc4 41.Nc4+/-) 40...Ra1=+ 41.Bc2 (worse 41.Nb7 R8a3 42.Nd6 R3a2 43.Bc2 Rc2 44.Kc2 Ra2 45.Kd3 Rf2 46.Kd4 Rf4 47.Kc3 g5-+) 41...Ra2 42.Kc1 (42.Nb7 Be4 (worse 42...R2a3 43.Ra3 Ra3 44.Nd6+/-; worse 42...R8a3 43.Ra3 Ra3 44.Nd6+=) 43.Kc1 d3=+) 42...Re8 43.Kb1?? (better 43.Rd3 Re1 44.Kd2=+) 43…Re1 (43...Re1 44.Bd1 Rd1) 0-1. blitzbullet (2445) - Banjovi (2670), Rated Bullet game, lichess.org, 2018.

7.Be2 c6 8.c4 Re8 9.Nbd2 e5 10.de5 de5 11.0-0 Qc7 12.e4 b6 13.Qc2 Nh5 14.g3 Nf8 15.Rfe1 Be6 16.Rad1 Rad8 17.Nf1 Bg4 18.Ne3 Bf3 19.Bf3 Nf6 20.Bg2 Ne6 21.Rd8 Rd8 22.Rd1 Rd1 23.Qd1 h5 24.f3 Nd7 25.Nc2 a5 26.Qd2 ab4 27.ab4 c5 28.b5 Nd4 29.Kf2 Qa7 30.f4 Qa4 31.Ne3 Bh6 32.Bd4 ed4 33.Kf3 Qa3 34.Bh3 Nf6 35.e5 Ng4 36.Bg4 hg4 37.Kg4 Qe3 38.Qa2?? d3–+ 39.Qa8 Kg7 40.e6 Qe6 41.Kf3 Qe2 0–1. Fournier,Frederic (1730) – kerobokan (1920), Active, 2007.

6.d4 e5

7.Be2 e4 8.Nfd2 Re8 9.c4 c6 10.Nc3 Bf5 (10...c5 11.Nb3+=) 11.Qc2 (11.g4 Be6 12.g5 Nfd7 13.Nde4 Qe7+/-) 11...h5 12.h3 h4 13.0-0-0 (better 13.0-0!?+=) 13...d5=+ 14.c5 a5 15.b5 a4 (better 15...b6!? 16.Na4 bc5 17.dc5 cb5=+) 16.b6+= Nbd7 17.Na2 Nh7 18.Nb4 Be6 19.Rdf1 f5 (19...Ng5 20.Kb1+=) 20.g3 (better 20.Rfg1!?+=) 20...hg3= 21.fg3 Ndf6 (21...Qg5!? 22.Rf4 Qg3+=) 22.Rhg1 Qd7 23.Qd1 Bh6 24.Nc2 g5 25.Bc3 Kh8 26.Bb4 f4 27.gf4 (27.ef4?! Bh3 28.Re1 gf4 29.gf4 Bf4=) 27...gf4 28.ef4 (28.Rg6 Ng8+=) 28...Bh3 29.Rf2 (better 29.Re1!?+=) 29...e3-/+ 30.Rh2 ed2 (better 30...Bf4 31.Nf3 Bh2 32.Nh2 Bf5=+) 31.Qd2?? (better 31.Bd2 Bg7 32.Ne3=) 31...Bf5?? (better 31...Qf5 32.Bd3 Ne4-+) 32.Rh6+- Ne4 33.Qd3 (33.Qe1 Re6 34.Rh2 Rae8+-) 33...Rg8 34.Rg8 Rg8 35.Bh5?? (better 35.Ne3+-) 35...Rg1 (35...Nc5!? 36.Qe3 Nd3 37.Kd2 Qg7 38.Rh7 Kh7-/+) 36.Kb2= Qg7 37.Rh7 Qh7 38.Bf3?? (38.Qe3 Rg3 39.Qe2 Rb3 40.Kc1 Qh6-+) 38...Qh3 (better 38...Nd6! 39.Qe2 Nc4 40.Ka2 Bc2-+) 39.Be4=+ de4 40.Qh3 Bh3 41.Ne3 Rg3 42.Bd2 (42.Nc4 Bf1 43.Ne5 Rb3 44.Ka2 Ba6-/+) 42...Be6-/+ 43.Kc3 Kg7 44.f5 Bf5 45.Kc2 (45.Kb4 Kf6-/+) 45...Be6 (better 45...Kf6-+) 46.Nf5?? (better 46.d5 cd5 47.c6-/+) 46...Bf5-+ 47.Bf4 (47.Bc3 e3 48.Kb2 e2-+) 47...Rf3 (better 47...Ra3 48.Kb2 Rf3 49.Be5 Kg6-+) 48.Bg3 (48.Be5 Kg6 49.Kb2-+) 48...Rg3 49.Kd2 (49.d5 Rd3 50.Kc1 e3 51.Kb2 e2 52.dc6 e1Q 53.cb7 Qd2 54.Ka1 Ra3) 49...Be6 (49...e3 50.Ke2 Bg4 51.Kd3 e2 52.Kd2 Rg1 53.Ke3 e1Q 54.Kf4 Qg3 55.Kg5 Qe3 56.Kh4 Qe7) 50.Ke2 Bd5 51.Kf2 Rf3 (51...Rf3 52.Ke2 Bc4 53.Kd2 Rb3 54.d5 e3 55.Kd1 Bd3 56.dc6 Rb1) 0-1. Gehaktbalmetjus (2045) - XChess1971 (2335), Rated Bullet game, lichess.org, 2019.

7.de5 Nfd7!?=.

7.de5 de5 8.Qd8+/- Rd8 9.Ne5 Nd5 10.Bc4 Be6 11.0-0 Nb6 12.Be6 fe6 13.Nd3 Bb2 14.Nb2 Nc6 15.c4 Ne5 16.c5 Nbc4 17.Nc4 Nc4 18.Nc3 Rd3 19.Rfc1 Rad8 20.Ra2?? (20.Nb5 Nd2 21.Rc3 Rc3 22.Nc3 a6+/-) 20...Nd2?? (better is 20...Rc3 21.Raa1 Rc1 22.Rc1 Na3-+) 21.g3 Nb3 22.Rcc2 e5 23.Ne4 Rd1 24.Kg2 Nc1 25.Rab2?? Kg7?? 26.Rd2 1-0. Fournier,Frederic (1760) - corajudotreb, Active, 2007.

7.de5 de5 8.Be2 e4 9.Nd4 Nc6 (9...a5!?=) 10.Nc6+= bc6 11.0-0 Qe7 12.c4 h5 13.h3 Bf5 (13...c5 14.Qa4=) 14.Qc2 Rad8 (14...Rfd8 15.Nc3+=) 15.Nc3 g5 16.Rad1 g4 17.hg4 hg4 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 g3 21.f4?? (better is 21.fg3 c5 22.bc5 Qc5 23.Qd8 Kh7 24.Nd1+/–) 21...Ne8?? (21...Nd5 22.Bg4 A) 22...Bc3?! A1) 23.cd5?? Qh4 (23...Bb2 24.Bf5 cd5 25.Qd5+=) 24.Bh3 Bb2–+ (worse is 24...Bh3 25.gh3 Bb2 26.Kg2–+); A2) 23.Bf5 Bb2 24.cd5+=; B) 22...Ne3–+) 22.Qc2?? (22.Kf1 Qh4 23.Ke1 Be6+=) 22...a5! 23.Nd1? ab4 24.ab4 Qb4 25.Bg7 Ng7 26.Qc3 Qb1 27.Qd2 Ne6 28.Kf1 Nc5?? 29.Ke1 Nd3-/+ 30.Bd3 ed3–+ 31.Qc3 Be4 32.Qf6 Qb4 33.Kf1 Qc4 34.Qd8 Kg7 35.Qg5 Kh7?? 36.Qh4= Kg7 37.Qg5 Bg6 38.Qe5?? f6 39.Qe7 Bf7 40.Qc7 d2 41.Kg1 Qe2 (41...Qe2 42.Qf7 Kf7 43.e4 Qd1#) 0–1. Fournier,Frederic (1755) – Cucho2011 (2360), ChessOK.com, 2012.

7.de5 de5 8.Be5 Qd1 9.Kd1 Ng4 10.Bg7 Nf2 11.Ke2 Nh1 12.Bf8 Kf8+-.

7.de5 de5 8.Ne5?! Qd1 9.Kd1 Ng4 10.Ng4 Bb2+=.

7.de5 Ng4 8.Nbd2 Nc6 9.Be2 Nge5 10.Ne5 Ne5 11.Rb1 Qe7 12.Nf3 Bf5 13.Ne5 de5 14.0-0 Rad8 15.Qc1 Qh4 16.Rd1 Rd1 17.Qd1 Rd8 18.Qf1 c6 19.Bd3 e4 20.Bc4 Bb2 21.Rb2 Qf6 22.Rb1 Qc3 23.Bb3 Rd2 24.Rd1 Bg4 25.Rd2 Qd2 26.h3 Be2 27.Qa1 Qd6 28.Qd4 Qd4 29.ed4 b6 30.c4 g5 31.g3 Bf3 32.Kf1 Kf8+= 33.Ke1 Ke7 34.Kd2 Kd6 35.Ke3 f5 36.h4 gh4 37.gh4 h6? 38.Kf4+/– Bg4 39.a4 c5+= 40.bc5 bc5 41.d5 a5 42.Bc2 Be2 43.Bb3 Bd3 44.Kf5?? e3–+. Fournier,Frederic (1795) – sintabues, Active, 2006.

7.de5 Ng4 8.Be2 Nc6 9.0-0 Nge5 10.Qc1 (10.Ne5 Ne5 11.Bd4 f6=) 10...a5 11.b5 Nf3 12.Bf3 Ne5 13.Be2 Qh4 14.Nd2 Bg4 15.Bg4 Qg4 16.h3 Qa4 17.Be5 Be5 18.Rb1 c6 19.c4 Rfc8 20.f4 Bg7 21.Ne4 Rd8 22.Rd1 cb5 23.Rb5 Rac8 24.Rd6 (worse 24.Nd6 Rc4 25.Qb1 Rc6=+; 24.Rb7?? Rc4 25.Qd2 Re4-+) 24...Rd6 25.Nd6 Rd8 (25...Rc6 26.c5 Bf8 27.Qb2+=) 26.Rd5 (better 26.c5 Bf8 27.Rb6+-) 26...Bf8+= 27.Qd2 (27.Nb7 Rd5 28.cd5 Qb5+=) 27...Qa3 28.Nf7?? (better 28.Nb7 Rd5 29.cd5=) 28...Rd5-+ 29.Nh6 Kg7 30.cd5 Kh6 31.e4 (31.Kf2 a4 32.g4 Qb4-+) 31...Bc5 32.Kh1 (32.Kf1 Be3 33.Qd1-+) 32...Be3 33.Qe1 (33.Qe2 Bf4 34.Qd1-+) 33...Qc1 34.Qc1 Bc1 35.g3 Kg7 36.d6 Kf7 37.e5 (37.h4-+) 37…a4 0-1. Tan,Ju2 (2500) - Niemann,Hans (2465), PRO League Group Stage, 2019. (=1.a3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

4.a3 a5

5.b5 b6 6.Nf3 Bb7 7.Be2 d5 8.0-0 0-0 9.d4 Nbd7 10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 e5 13.de5 (13.Nc4 Qg5+=) 13...Ne5= 14.c4 Qe7 (14...Nf3 15.Bf3 (worse 15.Nf3 Qd1 16.Bd1 Bb2-/+) 15...ef3 16.Bg7 fg2 17.Bf8 gf1R 18.Nf1 Qf8 19.Qg4=) 15.Bd4 Rad8 16.Qc2 f5 17.c5 Nd3 (17...bc5 18.Bc3=) 18.Bd3 (better 18.c6!? Bc8 19.Bd3 ed3 20.Qd3+/-) 18...ed3= 19.Qd3 bc5 20.Qc4 Bd5 21.Qc5 Qc5 22.Bc5 Ba1 23.Ra1 Rfe8 24.Bd4 c5 (24...Rd7 25.a4=+) 25.bc6 (25.Bc5!? Bg2 26.Nc4=) 25...Bc6=+ 26.Nc4 Re6 (26...a4 27.Ne5 Bd5 28.Nd3=+) 27.Ne5 (27.Na5 Bd5 28.Rb1 Ra6=) 27...Be8 28.h3 Rc8 29.Rb1 h6 30.Rb7 g5 31.Nd3 Rd8 (31...Rd6 32.h4 Rd7 33.Rb6=) 32.Rg7 Kf8 33.Ra7 f4 34.Ra5 fe3 35.fe3 (35.Be3? Rd3 36.Ra7 Rd7 37.Rd7 Bd7-+) 35...Re3 36.Be3 Rd3 37.Bc5 Kg8 38.Ra8 Kf7 39.Bb4 Bc6 40.Ra7 Kg6 41.Ra6 Rd1 42.Kh2 Rc1 43.a4 (43.g4 Rc2 44.Kg1 h5+=) 43...Kf5 44.Kg3 (44.Ra5 Ke6=) 44...Rc4 (44...Rc2 45.Rc6 Rc6 46.a5-/+) 45.Rb6 (45.Ra5 Kg6 46.Rc5 Rc5 (worse 46...Rb4 47.Rc6 Kf5 48.Rc5 Ke6 49.a5+/-) 47.Bc5 Ba4=) 45...h5 (45...Rc2 46.Rc6 Rc6 47.a5-/+) 46.a5 h4 (46...Rc2 47.Kh2=+) 47.Kh2 Rc2 48.Rc6 (better 48.Kg1!?=) 48...Rc6-/+ 49.Bd2 Ra6 50.Bc3 Ke4 (better 50...g4!? 51.hg4 Kg4-/+) 51.Bd2= Kd3?? (better 51...Rg6=) 52.Bg5+/- Ke2 53.Bh4 Ra5 54.Bg3 Ra2 55.Bf4 (better 55.h4+/-) 55...Kd3?? (better 55...Kf1=) 56.Kg3+- Ke4 57.Bg5 Kf5 58.h4 (58.Be3 Ke4 59.Bh6 Ra6+-) 58...Kg6? (better 58...Ra3 59.Kh2 Kg4+=) 59.Kh3 Ra3 60.g3 Ra4 (60...Kh5 61.Bf6+-) 61.Kg2 (61.g4!? Ra3 62.Kg2 Ra2 63.Kf3 Ra1+-) 61...Rb4 62.Kf3 Rc4 (better 62...Kh5+-) 63.Kg2 Rc3?? (63...Rb4 64.Bf4 Kh5+-) 64.Kh3 1-0. muhammadaudii (2115) - Metod76 (2105), Rated Blitz game, lichess.org, 2020.

5.b5 c6 6.bc6 dc6 7.d4 b5 8.Nf3 Bg4 9.Be2 Nbd7 10.Nbd2 0-0 11.0-0 Bf5 12.c4 bc4 13.Bc4 Nb6 14.Be2 Nbd5 15.Nc4 Ne4 16.Bd3 c5 17.Qc2+/– Ndf6 18.dc5 Qc8 19.Bd4 Rd8 20.Bf6 Bf6 21.Be4 Be4 22.Qe4 Ba1 23.Ra1 Qd7? 24.Rf1 Rab8 25.Nce5 Qe6 26.Nd4 Qa6 27.Nec6 f5 28.Qe7 Re8 29.Qf6 Rf8 30.Qe6 (30.Qe6 Kh8 31.Qe5 Kg8 32.Nb8+-; 30.Ne7) 1–0. Fournier,Frederic – Bioactivity, Partie evaluee, 1m + 2s, 2008.

5.Nf3 Nh5 6.d4 ab4 7.ab4 Ra1 8.Ba1 d5 9.Be2 c6 10.Nfd2 (10.0-0 0-0+=) 10...b5 (10...Nf6 11.0-0=) 11.Bh5+= gh5 12.Qh5 Qd6 13.c3 Nd7 14.0-0 Nf6 15.Qe2 h5 16.f4 (16.e4 Qe6 17.e5 Nd7+=) 16...h4 (16...Bf5 17.Nb3=) 17.Nf3 Bg4 18.h3 Bh5 19.Qf2 Ne4 20.Nbd2?? (better 20.Qe1=) 20...Nf2-+ 21.Rf2 Bf3 22.Nf3 Bf6 (22...Qg6 23.Nd2-+) 23.Bb2 (23.Ra2 Kd7-+) 23...Kd7 24.Rf1 (24.Nd2 Qe6 25.Re2 Qf5-+) 24...Ra8 25.Ne5 (25.Rd1 Qb8-+) 25...Be5 26.fe5 (26.de5 Qg6 27.f5 Qg3-+) 26...Qg6 27.Bc1 (27.e4 Qe4 28.Rf2 Qe1 29.Rf1 Qe3 30.Rf2 Ra2-+) 27...Ra2 28.e4 Qg2 0-1. Gehaktbalmetjus (2050) - PacerPrastari (2025), Rated Bullet game, lichess.org, 2020.

5.Nf3 0-0

6.d4 d5 7.c3 Bg4 8.Nbd2 c6 9.Be2 Nbd7 10.h3 Bf3 11.Bf3 e5 12.Qb3 ab4 13.cb4 Re8 Black prepares e4 14.0-0 e4 15.Be2 Nf8 16.Rac1 N6d7 17.Qc2 Rc8 18.Nb3 f5 19.Nc5 Nc5 20.dc5 Ne6 21.Bg7 Ng7 22.Qc3 g5 23.Rfd1 Rf8 Black prepares f4 24.g3 f4 25.ef4 gf4 26.Bg4 Rc7 27.Qe5 Re7 28.Qd6 (28.Qc3 Qc7=+) 28...Qe8 (28...h5 29.Qd8 Rd8-/+) 29.gf4? (29.b5 h5 30.bc6 hg4 31.Qd5 Kh7 32.cb7 fg3 33.fg3 Qb8-/+ (33...gh3?! 34.c6 Qb8 35.Qd6+=)) 29...Ref7 (29...h5!? 30.f5 Rd7-+) 30.f5 (30.Qe5!?=+) 30...Nf5-/+ 31.Bf5 Rf5 32.Kf1? (better 32.Rc3 Rf2 33.Kh1-+) 32...Rf2 33.Ke1 (33.Kg1 R8f3 34.Rf1 e3 35.Rf2 ef2 36.Kf1 Qe4 37.Qb8 Kg7 38.Qb7 Rf7 39.Qf7 Kf7-+) 33...Qh5 (better 33...Rg2 34.Rc2 Rc2 35.Qg3 Qg6 36.Qg6 hg6-+) 34.Qe6 (34.Qg3 Kh8 35.Qf2 Rf2 36.Kf2 Qf3 37.Kg1 Qg3 38.Kf1 Qh3 39.Kg1 Qa3 40.Rb1-+) 34...Kh8 35.Rd2 (35.Qe5 Qe5 36.Rd2 Qh2 37.Rf2 Rf2 38.Rd1 Qg1) 35…Rf1 0-1. Gehaktbalmetjus (2075) - abeboco (2025), Rated Bullet game, lichess.org, 2020.

6.d4 d6 7.c4 Nbd7 8.b5 c5 9.d5 Ng4 (9...Nb6 10.Bd3=) 10.Bg7+= Kg7 11.h3 Nge5 12.Ne5 Ne5 13.f4 Nd7 14.Nc3 Nb6 15.e4 e6 16.Bd3 (16.Qf3!?=) 16...ed5 (16...Qh4 17.Ke2-/+) 17.Nd5=+ Qh4 18.Kd2 (18.Kf1!? Nd5 19.ed5 Qf4 20.Qf3 Qf3 21.gf3=+) 18...Nd5-/+ 19.ed5 Qf2 (better 19...Qf4!? 20.Kc3 Qd4 21.Kb3 Bf5-+) 20.Kc3 Qf4 21.Rf1 (better 21.Qd2!? Qg3 22.Rae1=+) 21...Qd4-/+ 22.Kb3 a4 (22...Bf5 23.Be2-+) 23.Ka2-/+ Bd7 (23...Bf5 24.Rf5 gf5 25.Qf3-/+) 24.Rb1 Rae8 25.Qf3?? (better 25.Qc2=+) 25...Re3-+ 26.Qf7 (26.Qe3 Qe3 27.Rf3-+) 26...Rf7 27.Rf7 (27.Rbd1 Rf1 28.Re1 Rfe1 29.Bb1 R3e2 30.Bc2 Rc2) 27...Kf7 28.Rf1 Kg7 29.Rf7 (29.Rb1 Qd3 30.Rb2 Qc4 31.Ka1 Ra3 32.Kb1 Bf5 33.Rc2 Qc2) 29...Kf7 30.Bg6 (30.g3 Qd3 31.Ka1 Qa3 32.Kb1 Bf5) 30...hg6 31.g4 (31.b6 Re2 32.Kb1 Qd1) 31...Re2 32.Kb1 Qb2 (32...Qd1) 0-1. Gehaktbalmetjus (1965) - gorditoperro (2045), Rated Bullet game, lichess.org, 2019.

6.Be2 d6 7.d4 b6 8.c4 c5 9.b5 d5 (9...Nbd7 10.0-0=) 10.Nc3 dc4 11.Bc4 (11.dc5 Ne4 12.Qc2 Nc5+=) 11...cd4 12.ed4 (12.Qd4 Bb7+=) 12...Bb7 13.0-0 Nbd7 14.Ne5 Ne4 (14...Qc7!? 15.Qe2 Rac8=) 15.Ne4 Be4 16.Qe2 Ne5 17.de5 Bd5 18.Rad1 e6 (18...Bc4!? 19.Qc4 Rc8 20.Rd8 Rc4+=) 19.Bd5+- ed5 20.f4 (20.Qf3 Qe7+-) 20...Qe7 (20...Qd7 21.Qd3 Rad8 22.Bd4+/-) 21.Qd3 (21.Rd5 f6+-) 21...Rfd8 22.Qd4 (22.Rc1 Bf8+/-) 22...Qb7 (22...Qd7 23.a4 Qe6 24.Qf2+=) 23.Rc1+/- Rac8 24.Rfd1 Rd7? (better 24...Rc1!? 25.Rc1 Rc8+/-) 25.Rc8+- Qc8 26.Rc1 (26.Qb6 Qc2 27.Qd4 Qe2+-) 26...Qb7? (better 26...Rc7 27.Rc7 Qc7 28.Qd5 Qc2+=) 27.Rc6+- h6 28.g3 Kh7 29.h4 (29.Qb6 Qb6 30.Rb6 Bf8+-) 29...Qb8 30.a4 Qd8 31.Rb6 f6?? (31...Rc7 32.Qd3 Rc4 33.Rd6+-) 32.Rc6 (better 32.ef6 Bh8 33.h5+-) 32...fe5 33.fe5 g5 (33...Qf8 34.Qd3 Kh8 35.Qg6+-) 34.Qd3 Kh8 35.Rh6 (better 35.e6!? Re7 36.Qc2 Bb2 37.Rc8 Qc8 38.Qc8 Kg7 39.Qc5 Re6 40.Qd5+-) 35...Bh6 36.e6 (36.e6 Rg7 A) 37.Bg7?! Kg7 38.Qf5 Qf6 (38...gh4?? 39.Qf7 Kh8 40.e7 Qe7 41.Qe7+-) 39.Qd5 gh4 40.gh4 Be3 41.Kg2 Qf2 42.Kh3 Kf6=; B) 37.Qg6+/-) 1-0. Gehaktbalmetjus (2070) - kaspa100 (2065), Rated Bullet game, lichess.org, 2019.

5.Nf3 ab4 6.ab4 Ra1

7.Ba1 0-0 8.d4 b6 9.c4 Bb7 10.Be2 d6 11.0-0 c5 12.dc5 dc5 13.b5 Nbd7 14.Nbd2 Qc7 15.Qc2 Rd8 16.Bc3 Ng4 17.h3 Nge5 18.Ne5 Ne5 19.Be5 (19.Rd1 Bf6+=) 19...Be5 20.Nf3 (20.Bf3 Bc8=) 20...Bd6 21.Rd1 f6 22.Kf1 e5 23.Nd2 Qe7 24.Bf3 Bc8 (24...Bf3!? 25.Nf3 e4=) 25.Bd5 Be6 26.Qd3 Bc7 27.Nf3?? (27.e4 f5+=) 27...Kg7 (better 27...Bd5!? 28.cd5 e4-/+) 28.Qb3 (28.e4!?=) 28...e4=+ 29.Ng1 (29.Be4? Bc4 30.Qc4 Rd1 31.Ke2 Ra1-+) 29...Bc8 30.Ne2 g5 31.Bc6 (31.Nc3 f5=) 31...Rd1 32.Qd1 Be5 (32...Be6 33.Qc2 f5 34.Bd5=) 33.Qd5 (33.Be4 f5 34.Bd5 Qd6+/-) 33...Be6 (better 33...f5=) 34.Qd2?? (better 34.Qe4 Qd6 35.f4 gf4 36.ef4 (36.Nf4?! Bf4 37.ef4 Qd1 38.Kf2 Qd2 39.Kf3 Qc3 40.Qe3 Qc4=) 36...Qd1 37.Kf2 Bd4 38.Nd4 Qd4 39.Qd4 cd4 40.Bd5+/-) 34...Bc4-/+ 35.Qc2 Be2 (better 35...Bd3 36.Qd1 c4-+) 36.Ke2 Qd6 (36...f5 37.g4 Qf7 38.gf5 Qh5 39.Kd2 Qh3 40.Qe4= (worse 40.Be4 Qf1-/+)) 37.Qd2 (37.Be4 h6=) 37...Qd2 38.Kd2 f5 39.g3 (39.g4 Kf6=) 39...Kf6 40.Be8 (40.g4 Ba1=+) 40...h6 (40...Ke7 41.Bh5-/+) 41.Bd7 f4 42.g4 Bd6 43.ef4 (43.Bc6!? Ke5 44.f3-/+) 43...Bf4-+ 44.Ke2 Ke5 45.Bf5 c4 46.f3? (46.Bg6 c3 47.Kd1 Kd4-+) 46...ef3 (better 46...e3-+) 47.Kf3-/+ c3 48.Bc2 1-0. Gehaktbalmetjus (2025) - igraltist (2035), Rated Bullet game, lichess.org, 2019.

7.Ba1 0-0 8.Be2 b6 9.0-0 Bb7 10.d4 Nc6 11.b5 e6?? (better 11...Na7+=) 12.bc6+- Bc6 13.c4 Qa8 14.Bc3 Ng4 (14...Ne4 15.Bb2+-) 15.Nbd2 e5 16.h3 (16.d5 Ba4 17.Qb1 d6+-) 16...ed4 17.Bd4 (17.hg4?! dc3 18.Nb3 d5+/-) 17...Bd4 18.ed4 (18.hg4?! Bg7+-) 18...Nf6 19.d5 Nd5 (19...Bb7+-) 20.cd5 Bd5 1-0. Gehaktbalmetjus (2085) - Cava_Cat (2120), Rated Bullet game, lichess.org, 2020.

7.Ba1 0-0 8.Be2 d6 9.0-0 Nc6 10.b5 Ne5 (better 10...Na7!?+=) 11.Ne5+/- Ne4 12.Nf7! Rf7 (12...Rf7 13.Bg7 Combination; 12...Kf7 13.Bg7 Combination) 13.Bg7 Kg7 14.Bf3 Ng5 15.Bd5 e6 16.Bc4 Qe8 (16...d5 17.Bb3+/-) 17.Nc3 d5 18.Be2 Bd7 (better 18...Rf8+-) 19.Qa1 c6? (19...Kg8 20.b6!+-) 20.Nd5 (20.Ne4 Kg8 21.Ng5 Rf8+-) 20...Kg8 (20...e5 21.Nc7 Qe7+-) 21.Nf6 Rf6 22.Qf6 Ne4 (22...h6 23.Bd3+-) 23.Qd4 (better 23.Qe5 Nf2 24.Rf2 cb5+-) 23...Ng5 24.h4 (24.b6 Nf7+-) 24...Nf7 25.bc6 e5 (25...Bc6 26.h5 e5+-) 26.cd7 (26.cd7 Qf8 27.Qd5+-) 1-0. Gehaktbalmetjus (2040) - Othovsky (2135), Rated Bullet game, lichess.org, 2020.

7.Ba1 0-0 8.Be2 Ng4 9.Bg7+= Kg7 10.h3 Nf6 11.0-0 d5 12.d4 c6 13.c4 (13.Nbd2 Qb6+=) 13...Bf5 (13...dc4!? 14.Bc4 b5=) 14.c5+= Re8 15.Nc3 Nbd7 16.Bd3 (16.g4 Be6+/-) 16...Bd3+= 17.Qd3 e5 18.de5 Ne5 19.Ne5 Re5 20.Ra1 h5 (20...Ne4 21.Ne4 Re4 22.Qd2+=) 21.Ra7 Qb8 22.Ra3 Ne4 23.Ne4 (23.Ne2 Re7+/-) 23...Re4+= 24.Qc3 Kg8 25.Qa1 (25.Ra1 Qe5 26.Qe5 Re5+=) 25...Re8 (better 25...Rb4!? 26.Ra5 Qd8=+) 26.g3 (26.b5 Qc7 27.b6 Qe5+/-) 26...Qe5 27.Qe5 Re5 28.Ra7 Re7 29.b5 cb5?? (better 29...Kf8+=) 30.c6!+- b4 (30...bc6 31.Re7 Pinning (31.Re7 Deflection; 31.Ra8 Decoy)) 31.cb7 (31.cb7 Rb7 32.Rb7+-) 1-0. Gehaktbalmetjus (2015) - HerbyTheGod (2000), Rated Bullet game, lichess.org, 2020.

7.Ba1 b5? 8.Bb5+/- Nc6 (8...0-0 9.0-0+/-) 9.Bc6+- dc6 10.d4 (10.Bf6 Bf6 11.d4 0-0+-) 10...Ba6 11.Nbd2 0-0 (11...Qd5 12.Bb2+/-) 12.c4+- Nd7 13.Qc2 Nb6 14.0-0 e6 15.Rc1 Qe7 16.Bb2 (16.Rb1!?+-) 16...Qb4+/- 17.c5 Nd5 18.Bc3 Qb8 (18...Qb5 19.Ra1+=) 19.Ba5 (19.Rb1 Qd8+/-) 19...Bb5 20.Qa2 Qb7 21.Qa3 Ra8 22.Ra1 Bf8 23.Nb3 h5 (23...Bd3 24.Ne5 Bf5 25.Nd2+/-) 24.Qb2 h4 25.Ne5 (worse 25.Nh4 Bc4-/+) 25...h3 26.g3 Nf6 (26...f6 27.Ng6 Bc4 28.Nf8 Kf8 29.e4 Qb3 30.Qb3 Bb3 31.ed5 cd5 32.f4=) 27.Nf3 (27.Bc3 Ra1 28.Qa1 Bg7+/-) 27...Qc8 (27...Bc4 28.Nfd2 Bd5 29.Rb1=) 28.Ne5 Qd8 (28...Qb7 29.Qc2+/-) 29.Bc3 (29.Ra3!?+=) 29...Qd5 30.f3 Nd7?? (better 30...Ra1 31.Na1 Bc5=) 31.Ra8 (better 31.e4 Qb3 32.Qb3 (32.Ra8?! Qd1 33.Kf2 Ne5 34.de5 Qf1 35.Ke3 g5=; 32.Nd7? Ra1 33.Qa1 Qc2 34.Nf6 Kh8-+) 32...Ra1 33.Ba1 Ne5 34.Qe3+- (34.de5?! Bc5 35.Kh1 Bf1=)) 31...Ne5+/- 32.Rf8 (32.Nd2 Nf3 33.Nf3 Qf3 34.Qf2+=) 32...Kf8= 33.Nd2 Nf3 34.Nf3 Qf3 35.Qf2 Qd1 (35...Qe4!?-/+) 36.Be1=+ Bd3 37.g4 (37.Qd2 Qf3 38.Qf2 Qe4-/+) 37...Be4 (37...Qg4 38.Qg3 Qd1 39.Qf2-+) 38.Qg3 (38.g5 e5!-/+) 38...Kg7 (better 38...g5-+) 39.Kf2=+ Qc2 40.Kg1 Qd3 41.Qf2 (better 41.Qh3 e5 42.de5=) 41...Qe2?? (better 41...Qd1-/+) 42.Qe2+- Bd3 (42...g5 43.Bg3+-) 43.Qf2 (better 43.Qd3 f5+-) 43...Bc4 44.Qg3 Bd5 45.Qh3 g5 46.Qg3 Kg6 47.h4 f5 48.h5 Kh6 (48...Kg7 49.Qe5 Kf8 50.h6 Bb3 51.Qg7 Ke8 52.h7 e5 53.h8Q Bg8 54.Qhg8) 49.gf5 (49.Qe5 Kh7 50.Qf6 fg4 51.h6 e5 52.Qg7) 49...g4 50.fe6 (50.Qg4 Kh7 51.f6 e5 52.Qg7) 50...Kh7 (50...Bf3 51.e7 Be4 52.Qf4 Kg7 53.e8Q Kh7 54.Qfe4 Kh6 55.Q8g6) 51.Qf4 Kg7 (51...Be4 52.Qe4 Kh8 53.e7 g3 54.e8Q Kg7 55.Q4g6) 52.Qf7 (52.Qf7 Kh8 53.Bg3 Be6 54.Be5) 1-0. Gehaktbalmetjus (2080) - alekhine77 (2075), Rated Bullet game, lichess.org, 2019.

7.Ba1 c6 8.Be2 0-0 9.0-0 d6 10.c4 e5 11.d4 e4 12.Nfd2 Re8 13.Nc3 White prepares b5 13...d5 14.c5 Nbd7 (14...b5!?=) 15.b5+= Nf8 16.bc6 bc6 17.Qa4 Bd7 18.Rb1 Ne6 19.Rb7 Qc8 20.Qa7 Nd8?? (better 20...Qa8+=) 21.Rc7+- Ne6 22.Rc8 Rc8 23.Bb2 Be8 24.Ba6 Nc7 1-0. Gehaktbalmetjus (2110) - RicardoSantana (2200), Rated Bullet game, lichess.org, 2020.

7.Ba1 d6 8.Be2 0-0 9.0-0 c6 10.d4 Nbd7 11.c4 Qc7 12.c5 (12.Qb3 d5+=) 12...dc5 13.dc5 e5 14.Nbd2 Rd8 15.Qc2 Nd5 16.Nc4 Increases the pressure on e5 (better 16.Qb3!?=) 16...Nb4-/+ 17.Qb3 Nd5 18.e4 (18.Qa3 b5 19.cb6 N5b6=+) 18...Nf4 19.Bd1 (19.Qe3!? Ne2 20.Qe2 Nc5 21.Nce5-/+) 19...Nc5-+ 20.Qe3 Nd7 (20...Ncd3 21.Be5 Ne5 22.Qf4 Nf3 23.Qf3-+) 21.g3 (21.Nfe5!? Ne6 (21...Be5?! 22.Ne5 Ne6 23.Nf3=; 21...Ne5?! 22.Qf4 Nf3 23.Qf3 Ba1 24.Bb3-/+) 22.Nd7 Ba1-/+ (22...Bd7?! 23.Bg7 Ng7 24.Bf3=+; 22...Rd7?! 23.Bg7 Ng7 24.Bf3=+)) 21...Ne6 (21...b5 22.gf4 ef4 23.Qc1 Ba1 24.Qa1 bc4 25.Qc3-+) 22.Bb3 (better 22.Bc3 b6 23.Be2-+) 22...Ndc5?? (22...b5 23.Ncd2 Ndc5 24.Ba2-+) 23.Ba2? (23.Be5 Be5 24.Nce5 Nb3 25.Qb3 c5-/+) 23...Nd4 (better 23...Rd3!? 24.Qe2 f6-+) 24.Nce5-/+ Be5 25.Ne5 (better 25.Nd4!? Qe7 26.Nb3-/+) 25...Qe5-+ 26.f4?? (26.Rd1 Qe4 27.Rd4 Rd4 28.Bd4 Qe3 29.Be3-+) 26...Qe4 27.Qe4 Ne4 28.Bd4 Rd4 29.Re1 Be6 (29...b5 30.Bb1 Nd6 31.Kf2-+) 30.Bb1 (30.Be6 fe6 31.Kg2 b5-+) 30...Nc3 31.Bc2 (31.h4 b5-+) 31…Rd2 (31...Rd2 32.Be4 Ne4 33.Re4 Bd5-+) 0-1. Gehaktbalmetjus (2105) - kati2017 (2070), Rated Bullet game, lichess.org, 2020.

4.a3 a6

5.d4 0-0 6.Nf3 d6 (6...d5 7.Bd3+=) 7.Be2 (7.Nc3 Nc6=) 7...Nbd7 (7...c5 8.dc5 dc5 9.Nbd2+=) 8.0-0= c5 9.c4 b6 (9...cd4 10.ed4 Nb6 11.Qb3=) 10.Nbd2 Bb7 11.Qc2 Qc7 (11...cd4 12.ed4 Qc7 13.Bd3=) 12.Rac1 (12.bc5 bc5 13.d5 Bc8+=) 12...e5 (12...cd4 13.Nd4 e5 14.N4f3=) 13.bc5+= bc5 14.d5 Ne8 (14...Rfb8 15.Bc3+=) 15.e4 Bh6 16.Rb1 Ng7 17.Bc3 f5 18.Nb3 (18.Ba5! Qa5 19.Rb7+/–) 18...Nf6+= 19.Na5 (19.ef5 Nf5 20.Na5 Bc8=) 19...Bc8= 20.Bd3? (better is 20.Nc6=) 20...fe4–+ 21.Be4 Ne4 22.Qe4 Bf5 23.Qh4 Bb1 24.Rb1 (better is 24.Qh6 Bd3 25.Re1 Rf3 26.gf3-/+) 24...Rab8?? (24...Nf5 25.Qe4–+) 25.Re1?? (better is 25.Rb8 Rb8 26.Qh6 Rb1 27.Ne1+/–) 25...Nf5–+ 26.Qh3 Qg7 27.Nd2 (27.a4 Qf7–+) 27...Bd2 28.Bd2 Rb2 29.Bg5? (29.Bc3 Ra2 30.f4 Qf7–+) 29...Nd4 30.f3 (30.Be3 Qf6 31.Rf1 Ne2 32.Kh1 Qf5 33.Qf5 gf5–+) 30...Qf7 (better is 30...Rf5!? 31.Be3–+) 31.Kh1? Rfb8 (31...Rfb8 32.Nc6 Rb1–+) 0–1. Ribera Cebolla,Marc (1865) – Sos,Andreu Eric (2165), Cullera ESP, 2012. (=1.a3 a6 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7)

5.Nf3 0-0 6.Be2 b5 7.0-0 Bb7 8.d3 d6 9.Nbd2 Nbd7 10.c4 e5 11.cb5 ab5 12.Qc2 c5 13.bc5 Nc5 14.d4 Nce4 15.Bb5 Rc8 16.Qd1 Qa5 17.a4 Nd2 18.Nd2 Nd5 19.Nc4 Qa8 (better is 19...Qc7+-) 20.Nd6 Rcd8 21.Nb7 Qb7 22.Ba3 Rfe8 23.de5 Be5? 24.Be8+- Re8 25.Rb1 Qd7 26.e4 Nf6 27.Qd7 Nd7 28.Rb7 Rd8 29.Bb2 Bb2 30.Rb2 Ne5 31.Ra2 Rd4 32.f3 Nd3 33.a5 Nb4 34.Ra4 Nc2 35.Rd4 Nd4 36.a6 Nb5 37.Rb1 Na7 38.Rb7 Nc6 39.Rc7 (39.Rc7 Na7 40.Ra7 Kg7 41.e5 g5 42.e6 Kf6 43.e7 Ke6 44.e8Q Kd6 45.Rd7 Kc5 46.Qc8 Kb4 47.Rb7 Ka5 48.Qc5 Ka6 49.Ra7#) 1–0. exp2005 – coralis, kurnik, 2011.

5.g4 h6 6.Bg2 d5 7.h3 Qd6 8.d3 0-0 9.Nd2 c6 10.c4 Be6 11.Ngf3 Nbd7 12.Qc2 Rfd8 13.c5 Qc7 14.Nd4 Nf8 15.f4 Ne8 16.N2f3 f6 17.f5 Qg3 18.Kf1 Bf7 19.Bc3 Qc7 20.h4 e5 21.fe6 Ne6 22.Ke2 Nd4 23.Nd4 Qe7 24.Raf1 Nc7 25.h5 gh5? 26.Nf5+- Qe6 27.Ng7 Qg4 28.Bf3 Qg7 29.Rhg1 Bg6 30.Bf6!! Qf6 31.Bh5 Qe5 32.Rg6 Kh8 33.Rh6 Kg7 34.Rg6 Kh7 35.Rf7 Kh8 36.Rh6 Kg8 37.Rg6 Kf7?? 38.Rg5+- Kf6 39.Re5 Ke5 40.d4 Ke6 41.Qg6 Kd7 42.Qd6 (42.Qd6 Kc8 43.Bg4 Kb8 44.Qd8 Ka7 45.Qc7+-; 42.Bg4 Ne6 43.Qe6 Kc7 44.Qe5 Rd6 45.Qd6) 1–0. Heinola,K – Massinen,P, Finland, 1984.

5.h3 Nc6 6.Nf3 d6 7.g4 0-0 8.Bg2 e5 9.0-0 Be6 10.Ng5 Bd7 11.Ne4 Ne4 12.Be4 f5 13.Bd5 Kh8 14.e4 fg4 15.hg4 Nd4 16.f3 c6 17.Ba2 Qh4 18.Kg2? Ne6 19.Rh1?? Nf4 20.Kg1 Qg3 21.Kf1 Qg2 22.Ke1 Qh1 23.Kf2 Qd1 24.Nc3 Qd2 25.Kg3 Qc2 26.Rb1 Ne2 27.Ne2–+ Qe2 28.f4 Qg4 29.Kf2 Rf4 30.Ke3 Re4 31.Kd3 Qf3 32.Kd2 Re2 33.Kc1 Qf1# 0–1. cogit – rimantutis123, kurnik, 2012.

4.a3 b5

5.Bb5+/– Ba6 6.Ba6 Na6 7.Nf3 0-0 8.0-0 d6 9.c4 c5 10.b5 Nc7 11.d4 Ne6 12.d5 Nc7 13.Nbd2 a6 14.a4 ab5 15.ab5 e6 16.e4 Ne4 17.Bg7 Nd2 18.Qd2 Kg7+/– 19.de6 Ne6 20.Ra8 Qa8 21.Qd6 Qa4 22.Qe5 Kg8 23.Qc3 Nf4 24.Re1 Qb4 25.Qc1 Nd3+/– 26.Qh6 Ne1?? 27.Ng5 Nf3 28.gf3 (28.gf3 Qe1 29.Kg2 Qf2 30.Kf2 Re8 31.Qh7 Kf8 32.Qf7) 1–0. Fournier,Frederic – shiva, Active, 2007.

5.Bb5 c6 6.Be2 0-0 7.Nf3 a6 8.d4 d5 9.0-0 Bb7 10.Nbd2 Nbd7 11.c4 Ne4 12.Rc1 Nd2 13.Nd2 Nf6 14.Bf3 Re8 15.cd5 cd5 16.Qb3 Bc6 17.Rc6 Rc8 18.Rfc1 Rc6 19.Rc6 Qa8 20.Qc2 e6 21.g3 Bf8 22.Rc7 h5 23.Qc6 Qb8 24.Nb3 Rd8 25.Rb7 Qa8 26.Qc7 Rd7 27.Qb8 Qb7 28.Qb7 Rb7 29.Na5 Rc7 30.Bd1 Ne4 31.Nb3 1–0. mihai740609 – xuanquangnv, kurnik, 2012.

4.a3 b6

5.c4 0-0 6.d4 d5 7.c5 c6 8.Be2 Nfd7 9.f4 (9.Nc3!?=) 9...bc5-/+ 10.bc5 Nc5 11.Nf3 Ne4 12.Nbd2 Qb6 13.Rb1 Bf5 14.Ne4 Be4 15.Bd3 Qa5 16.Kf2 Bd3 17.Qd3 Qa6 18.Rhd1 Qd3 19.Rd3 Nd7 20.Rb3 Rab8 21.Bc1 (21.Bc3!?+=) 21...Rb6-/+ 22.Ne5 Be5 23.de5 Rfb8 24.Rb6 Rb6 25.Rb6 ab6 26.g4 f6 27.ef6 ef6 28.h4 Nc5 29.Kf3 f5 30.Bb2 h5 31.gh5 gh5 32.Bd4 Na4 33.Ke2 Kf7 34.Kd3 c5 35.Be5 Ke6 36.Kc2 b5 37.Bg7 Kd7 38.Kb3 Kc6 39.Bf8? (39.Be5–+) 39...Nb6 40.Bg7 Nc4 0–1. Pendergast,W – Belakovskaia,Anjelina (2340), National op Las Vegas, 1995. (=1.a3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 b6)

5.c4 Bb7 6.Nf3 0-0 7.Be2 Nc6 8.0-0 d6 9.d4 Ne4 10.Qc2 Nf6 11.Nbd2 e6 12.Rad1 Ne7 13.Nb3 Nf5 14.Nfd2 Nh4 15.e4 d5 16.e5 (better is 16.g3!? dc4 17.Nc1+/– (17.Qc4?! Ne4 18.Ne4 Be4 19.gh4 c6+=)) 16...Nd7 17.c5 f6?? (17...c6 18.Bg4+=) 18.f4?? (better is 18.c6 Bc8 19.cd7 Bd7 20.ef6 Rf6 21.Rfe1+-) 18...Nb8 19.Nb1 fe5 20.fe5 Rf1 21.Rf1 Qg5 22.Rf2 Nd7?? 23.Bc1 Qe7 24.c6 Bc8 25.cd7 Qd7 26.Bg5 Nf5 27.Qd2 a5 28.ba5 ba5 29.Nc5 Qe8 30.Nc3 c6 31.N3a4 Bf8 32.Nb6 Bc5 (32...Bc5 33.dc5 Ra7+-). lican – alexander04, kurnik, 2012.

5.d3 Bb7 6.Nf3 a6 7.Be2 d6 8.Nbd2 0-0 9.0-0 c5 10.bc5 dc5 11.c4 Nc6 12.Qc2 Qc7 13.Rfd1 Rad8 14.Bf1 Ne5?? 15.Ne5 Nh5 16.Nef3 Bb2 17.Qb2 f6 18.Nb3 Qc6 19.d4 cd4 20.ed4 Nf4 21.d5 Qd6 22.Nbd4 Rc8 23.g3 Nh5 24.Ne6 Rf7 25.Nfd4 b5 26.c5 Rc5 27.Nc5 Qc5 28.Ne6 Qd6 29.Bg2 Ng7 30.Ng7 Kg7 31.Rac1 Rf8 32.Qb4 Qd7 33.Qa5 Rb8 34.Rc7 Qd6 35.Re1 Kf7 36.Ree7 Qe7 37.Re7 Ke7 38.Qc7 Kf8 39.Qb8 Bc8 40.Qc8 (40.Qc8 Ke7 41.Qc7 Ke8 42.d6 Kf8 43.Bd5 b4 44.Qe7) 1–0. exp2005 – janusz50, kurnik, 2011.

5.d4 Bb7 6.f4 0-0 7.Nf3 d6 8.Bd3 Nbd7 9.0-0 Nd5 10.Qe2 c5 11.c4 N5f6 12.bc5 dc5 13.d5 a6 14.a4 Qc7 15.Ne5 Rae8 16.Nc3 e6 17.e4 ed5 18.Nd5 Nd5 19.cd5 (19.ed5? f6–+ (19...Be5?! 20.fe5 Ne5 21.Qd2=)) 19...Ne5 20.fe5 Be5 21.Be5 Re5 22.Qb2 c4 23.Bc2 Qc5 24.Kh1 c3 25.Qb3 Rc8 26.Rfe1? Kg7 27.Rab1 Rce8 28.Qb6? Qb6–+ 29.Rb6 Bd5 30.Ra6 Be4 31.Be4 Re4 32.Re4 Re4 33.Kg1 Rc4 (33...Rc4 34.Kf2 c2 35.Ra7 c1Q 36.Rf7 Kf7 37.Ke2 Qb2 38.Ke3 Qb3 39.Ke2 Rc2 40.Ke1 Qb1) 0–1. amator111 (1740) – xhazjarri (1815), kurnik, 2011.

5.d4 Bb7 6.f4 d6 7.Nf3 Qd7 8.Bd3 a6 9.0-0 Nc6 10.Nbd2 Na7 11.Qe2 Nd5 12.c4 Nf6 13.h3 h6 14.Rad1 g5 15.f5 g4 16.hg4 Ng4 17.e4 h5 18.Nb3 Rg8 19.e5 0-0-0 20.e6 fe6 21.fe6 Qe8 22.d5?? Kb8?? 23.Bg7+/– Rg7 24.Nbd4 Qf8 25.Nf5 Rg8 26.N3h4 Nf6 27.Kh2 c6 28.dc6 Bc6 29.b5 ab5 30.cb5 Bb7 31.a4 Rg4 32.g3 Ra4 33.Ra1?? Rg4 34.Ra7 Ka7+= 35.Kh3?? Kb8–+ 36.Ne3 Rd4 37.Nc4? Kc7?? 38.Qc2? Rd5–+ 39.Ne3 Rc5 40.Qe2 Qg7 41.Rg1 Ng4! 42.Ng4 hg4 43.Qg4 Rg5 44.Qc4 Rc5 45.Qg4 Qc3 46.Bf5 Rc4 47.Qf3 Qb4 48.Qf1? Rh4 49.gh4+= Rh8 50.Rg4 Qc5?? 51.Qc4 Qc4 52.Rc4+= Kb8 53.Kg4 Bd5 54.Rd4 Bb7 55.Bg6 Rg8 56.h5 Kc7 57.Kg5 d5 58.Rc4?? Kd6 (58...Kd6 59.Rc1 d4+=). amator111 – neron35, kurnik, 2011.

5.Be2 Bb7 6.Nf3 0-0 7.0-0 c5 8.b5 d5 9.c4 e6 10.cd5 ed5 11.Nc3?? Nbd7?? 12.h3 Re8 13.d4 c4 14.Nd2 Rc8 15.Bf3 Ne4 16.Qc2 Ndf6 17.Nde4 Ne4 18.Ne4 de4 19.Be2 Bd5 20.Rac1 Re7 21.Qa4 Rec7 22.Rc3 Qe7 23.Rfc1 Qe6 24.Bg4 f5 25.Be2 h5 26.f4?? ef3–+ 27.gf3 Bd4! 28.ed4 Qe2 29.Qc2 Bf3 30.Qe2 Be2 31.a4 Re8 32.d5 Rd7 (33.Re1 Kf7–+) 0–1. Wenk,Torsten – Leiser,Joachim, Westpfalz op, 1998.

5.h3 Nh5 6.d4 Bb7 7.Nf3 d6 8.c3 Nc6 9.Nbd2 Qd7 10.Be2 e5 11.0-0 ed4 12.ed4 0-0-0 13.Ng5 Nf4 14.Bg4 (14.Bc4!? Nb8 A) 15.Nf7 Bg2 16.Nd8 A1) 16...Bf1?! 17.Bf1 (worse is 17.Qf1 Rd8 18.Kh2 Re8-/+) 17...d5 18.Qg4 Qg4 19.hg4 Kd8 20.Re1=; A2) 16...Qh3–+; B) 15.Ngf3=) 14...f5-/+ 15.Bf3 h6 16.Nh7? (16.b5 hg5 17.bc6 Bc6 18.c4–+) 16...Rh7–+ 17.Nc4 (17.Bc1 Nd3–+) 17...g5 18.Bh5 g4! 19.hg4 fg4 20.Bg4+= Ne6 21.d5 Qe7 22.Be6 Kb8 23.dc6 Bc6? 24.Bd5 Bd5 25.Qd5 Rhh8 26.Rae1 Qh4 27.Ne3 Be5 28.g3 Qg5 29.Ng2 h5 30.f4 Bf4 31.Rf4 Qd5–+ 32.c4 Qd2 33.Bh8 Rh8 34.Rh4 Qc3 35.Re3 Qc1 36.Kh2 1–0. cogit – aparatas, kurnik, 2012.

5.Nf3 Bb7

6.Bc4 0-0 7.0-0 d5 8.Bb3 Re8 9.d3 e5 10.Ne5 c5 11.bc5 bc5 12.c4 Qb6? 13.d4 cd4 14.Bd4 Qe6 15.Nc3+- dc4? 16.Bc4 Bd5 17.Bd5 Nd5+/– 18.Nd5 Qd5 19.Nf3 Bd4 20.ed4 Nc6 21.Re1 Re1= 22.Qe1 Rb8 23.Rc1 Qe6? 24.Qd2 Qd5 25.h3 Rd8 26.Qh6 Qh5?? 27.Qf4 Qd5+/– 28.Qh6 Qh5?? 29.Qh5+- gh5 30.Rc6 Rb8 31.Rh6 Kg7 32.Rh5 Rb1 33.Kh2 Kg6 34.g4 Rb2 35.Ne5 Kf6 36.Kg2 Rb3 37.Rh7 Ra3 38.Rh6 Ke7 39.Nc6 Kd7 40.d5 Ra6 41.h4 Kc7 42.h5 Ra5 43.Rf6 Rd5 44.Ne7 Rg5 45.h6 Rg4 46.Kf3 Rh4 47.Rf7 Kd8 48.h7 Ke8 49.Ng6 Rh3 50.Kg2 Rh6 51.h8Q Rh8 (52.Nh8 Kd8+-). maaxa – oooo, Live Game Caissa's Web, 2004.

6.d3 0-0 7.Nbd2 d5 8.Be2 Nbd7 9.0-0 c5 10.bc5 Nc5 11.c4 dc4 12.Nc4 Ne6 13.Rc1 Rc8 14.Qa4 a6 15.Qb3 Nc5 16.Qb6 Bf3 17.gf3 Na4 18.Qd8+/– Rfd8 19.d4 Nb2 20.Nb2 Nd5 21.Nc4 Rc7 22.Rb1?? Nc3–+ 23.Rb2? Ne2 24.Re2 Rc4 25.Rb1 Rdc8 26.Rb6 a5 27.Ra6 a4 28.Rb2 e5 29.d5 e4 30.fe4 Bb2 0–1. exp2005 – leonashh, kurnik, 2011.

6.Be2 0-0 7.0-0 d6 8.d3 Nbd7 9.Nbd2 e5 10.Re1 a5 11.ba5 Ra5 12.c4 Nc5 13.d4 ed4 14.ed4 Nce4 15.Ne4 Ne4 16.Bd3 Ng5 17.Ng5 Qg5 18.f3 h5 19.Be4 Bc8 20.Qc1 Qc1 21.Rac1 c5 22.Red1 Ba6 23.Bd5 Re8 24.Kf2 cd4 25.Re1 Re1 26.Re1 Kf8 27.Rd1 b5 28.cb5 Rb5 29.Bd4 Bd4 30.Rd4 Ra5 31.a4 Rc5 32.Kg3 Kg7 33.Bb3 Rc3 34.Rd6 Bf1 35.Bd1 Ra3 36.Kf2 Bc4 37.Rd4 Ra2 38.Kg3 Bf1 39.Kf4 Rg2 40.h4 Ra2 41.Rd7 Bc4 42.Ra7 Be6 43.a5?? Ra4?? 44.Kg3 Ra3 45.a6 Bd5 46.Rd7 Bc4 47.a7 Be6 48.Rc7 Bd5 49.Kf4 Ra5 50.Bc2+/– 1–0. exp2005 – leonpopaprani, kurnik, 2011.

6.Be2 0-0 7.c4 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Nc3 Nd7 11.Nd5 Bd5 12.0-0 e5 13.d3 c5 14.bc5 Nc5 15.d4 ed4 16.Qd4 Kg8 17.Rfd1 Bb3 18.Qd8 Rfd8 19.Rd8 Rd8 20.h3 Ne4 21.Nd4 Ba4 22.Bf3 Nd2 23.Bc6 Rd4!=+ 24.ed4 Bc6 25.Rd1 Nc4 26.d5 Bd7 27.Rd3 b5 28.g4 a6 29.Rc3 f5 30.f3 fg4 31.fg4 h5 32.gh5 gh5 33.Kg2 Kf7 34.Kg3 Kg6 35.Kf4 Bh3?? 36.Rh3+- Nd6 37.Ke5 Nc4 38.Ke6+- Kg5 39.d6 Kg4 40.Rc3 Nd6 41.Kd6 h4 42.Kc6 h3 43.Rh3! Kh3 44.Kb6 Kg4 45.Ka6 Kf5 46.Kb5 Ke6 47.Kb6 Kd7 48.Kb7 1–0. Fournier,Frederic (1645) – jorgeamercado, Active, 2006.

6.Be2 0-0 7.c4 d6 8.d4 d5 9.c5 bc5 10.bc5 c6 11.Nbd2 Qc7 12.0-0 Ng4 13.h3 Nh6 14.Rb1 Nd7 15.Qa4 a6 16.Bc3 Nf5 17.Ba5 Qc8 18.Rb2 Nc5? 19.dc5?? Bb2–+ 20.Rb1 Bg7 21.Qb4 e5?? 22.Qb7+/– Qb7 23.Rb7 e4 24.Ne1 Be5 25.Rb6 Nh4? 26.Rc6+- Rfc8 27.Rc8 Rc8 28.Bb6 Bc3+/– 29.Ba6 Ra8 30.Bb7+- Rb8?! 31.c6 Bd2 32.Nc2 Nf5 33.Ba7 Re8+/– 34.Nd4 Nd4 35.ed4 Ba5= 36.Kf1 Bc7 37.Ke2 f5 38.g3 f4 39.gf4 Bf4 40.a4 e3 41.fe3 Re3= 42.Kf2 Re8? 43.Kf3 Bc7= 44.Bc5 Re1 45.Ba6 Ra1 46.Bb5 Rf1?? 47.Kg4 Rg1 48.Kf3+= Ra1 49.Kg4 Rc1 50.Kg5?? Rg1 51.Kf6 Rh1 52.Ke6+- Rh3 53.Kd5 Bf4?? 54.a5 Bb8 55.a6 Rh5 56.Kc4 Rh4 57.a7 Ba7 58.Ba7 (58.Ba7 Rh2 59.Bc5+-) 1–0. Fournier,Frederic (1780) – ajedrezjea, Active (5/0), 2005.

6.Be2 c5 7.bc5 bc5 8.0-0 Qb6 9.Qc1 d6 10.d3 e5 11.Nbd2 0-0 12.Rb1 Qc7 13.c4 Nc6 14.Qc2 Rab8 15.Rfe1 Ne7 16.Bf1 e4? 17.de4+/– Rfe8 18.e5 Nd7 19.ed6 Qd6 20.Bg7 Kg7 21.Red1 Nf6 22.Qc3 Qe6 23.Ng5 Qf5 24.Ngf3 h6?? 25.Bd3+- Qe6 26.Rb2 Bc6 27.Rdb1 Rb2 28.Rb2 Kh7 29.Be2 Nc8 30.h3 Nd6 31.Nb3 Nde4 32.Qc2 Ba4 33.Bd3 Rb8 34.Qd1 Ne8 35.Bc2 N8d6 36.Qe2?? Qf6+= 37.Rb1? Nc3–+ 38.Qf1 Nb1 39.Qb1 Qc3 40.Nfd2 Nc4 41.Nc4?? Qc4 42.Nd2 Rb1 43.Bb1 Qc1 44.Kh2 Qd2 45.Be4 Qf2 46.Bf3 Qe3 47.Kg3 c4 48.Kh2 c3 (48...c3 49.Kg3 c2 50.Kh2 Qf4 51.Kg1 c1Q 52.Kf2 Qce3 53.Kf1 Bb5#) 0–1. exp2005 – androoo (1645), kurnik, 2012.

4.a3 c6

5.Nf3 0-0 6.Be2 d6 7.0-0 Ne8 8.Bg7 Kg7 9.d3 e5 10.Nbd2 f5 11.c4 Be6 12.Qc2 Nd7 13.Rfe1 Ndf6 14.h3 Qe7 15.Rac1 Rd8 16.Bf1 Kg8 17.Ng5 Bd7 18.Ngf3 h6 19.e4 f4 20.Qc3 Ng7 21.d4 ed4 22.Nd4 Nfh5 23.N4f3 Be6 24.e5 d5 25.cd5 cd5 26.Qb2 Nf5 27.Nb3 b6 28.Nbd4 Nd4 29.Qd4 Ng7 30.Rc2 Nf5 31.Qd2 Nh4 32.Qe2 Bf5 33.Rc3 Nf3 34.Qf3 d4 35.Rcc1 a5 36.Qb3 Kg7 37.ba5 ba5 38.Rc6 a4 39.Qb6 f3? 40.Rec1?? d3?? 41.Rc7+- Rd7 42.Rd7 Bd7 43.Rc7 Rd8 44.Bd3 Qf7 45.Qa7 fg2? 46.Bb5 Qf3 47.Rd7 Rd7 (47...Rd7 48.Qd7 Kh8+-). exp2005 – macles, kurnik, 2011.

5.Nf3 Qc7 6.Be2 d5 7.0-0 Bg4 8.d4 h5 9.h3 Nbd7 10.Nc3 0-0-0 11.b5 cb5?? 12.Nb5 Qb6 13.a4?? a6?? 14.Rb1?? ab5 15.Bb5 Qc7 16.Ba3 Nb6?? a5 Nc4+= 18.Bc4 dc4 19.Qd2?? Ne4 20.Qb4 Bf3 21.gf3 Nd6 22.a6 ba6 23.Qa4 a5 24.Qb5?? Nb5 25.Rb5 Rd7 26.Rfb1 Rhd8 27.Rb8 Qb8 28.Rb8 Kb8 29.Kf1 Rb7 30.Ke2 e6 31.Kd2 Bf8 32.Bc1 Rb1 33.c3 Ka7 34.Kc2 Rc1! 35.Kc1 Rb8 36.Kc2 a4 37.e4 a3 38.d5 a2 39.d6 Bd6 40.e5 Be7 41.f4 a1Q 42.f5 Rb2 0–1. erisonpassos – deli1, kurnik, 2011.

5.Nf3 d5 6.Be2 Bf5 7.0-0 0-0 8.d3 e5 (8...a5 9.Nd4=) 9.Nbd2 (9.Be5 Qe7+/–) 9...e4 10.de4 Be4 11.Ne4 Ne4 12.Bg7 Kg7 13.c4 Qf6 14.cd5 Rd8 15.Qb3 cd5 16.Rfd1 (16.Rac1 Nc6+=) 16...Qe6?? (better is 16...Nc3 17.Bf1 Nd1 18.Rd1 Nc6+=) 17.Rd3 (17.Rac1 Nc6+/–) 17...a6 18.Rad1 Nc6 19.Rd5 Rd5 20.Rd5 Rd8 21.Bc4 Rd5 22.Bd5+- Qe5?? 23.h3 Qa1+= 24.Kh2 Qe5?? 25.Ne5+- Ne5 26.Be4 1–0. Fournier,Frederic – jaga, Active, 2006.

5.Nf3 d5 6.Be2 Bf5 7.d3 Nbd7 8.Nbd2 0-0 9.0-0 e5 10.Ne5+/– Ne5 11.Be5 Re8 12.Bb2 Qd7 13.Qc1 h5 14.Re1 h4 15.Bf3 h3 16.e4 de4 17.de4 Bg4 18.e5 Bf3 19.Nf3 Nd5 20.c4 Nb6 21.Qc2?? Qg4–+ 22.Kf1 Qg2 23.Ke2 Qg4 24.Rg1 Qf4 25.Bc1? Qc4–+ 26.Qc4 Nc4 27.Bf4 Ne5 28.Ne5 f6?? 29.Rg6+= fe5 30.Bh6 Re7?? 31.Rag1+- Kh7 32.Rg7 Rg7+/– 33.Bg7 Rg8 34.Ke3 Rg7+= 35.Rg7 Kg7 36.Kf3 Kf6 37.Kg4=+ b6 38.Kh3 c5 39.bc5 bc5 40.Kg4 Ke6 41.Kf3 Kd5 42.Ke3 c4 43.h4+/– Ke6 44.Kd2 Kf5 45.Kc3 Kg4 46.Kc4 Kh4 47.Kd5 Kg4 48.Ke5 Kf3 49.Kd6 Kf2 50.Kc6 Ke3 51.a4 Kd4 52.a5 Kc4?? 53.a6+- Kb4 54.Kb7 Kc5 55.Ka7 Kc6 56.Kb8 Kd5 57.a7 Kc4 58.a8Q Kc5 59.Qa4 Kd5 60.Qb4 Ke5 61.Qc4 Kf5 62.Qd4 Ke6 ½–½. exp2005 – jihat13, kurnik, 2011.

5.Nf3 d6 6.c4 0-0 7.d4 Bg4 8.Be2 Nbd7 9.Nbd2 a6 10.0-0 b5 11.cb5 cb5 12.Rc1 Rc8 13.h3 Be6 14.Rc8 Qc8 15.Qc1 Nb6 16.Qc8 Rc8 17.Rc1 Nc4 18.Nc4 bc4 19.Nd2 d5 20.f3 Bd7 21.e4? e6 22.e5 Nh5 23.Kf2 Bh6 24.Bc3 Nf4 25.Bf1 Ba4 26.g3 Nd3 27.Bd3 cd3 28.f4 Bc2 29.Bb2 Bf8 30.Ke3 Rb8 31.Nf3 a5 32.Bc3 ab4 33.ab4 Bb4 34.Bb4 Rb4 35.Ne1 d2 36.Kd2 Be4 37.Nc2 Rb3 38.Ne3 Rd3 39.Ke2 Rd4 40.Rc8 Kg7 41.Rc1 Ra4 42.Rd1 Ra2 43.Rd2 Bf3! 44.Ke1 Ra1 45.Kf2 Be4 46.Rd1 Rd1 47.Nd1 Kf8 48.Ke3 Ke8 49.Kd4 Kd7 50.Nc3 Kc6 51.Ne4+= de4 52.Ke4 Kc5 ½–½. Fournier,Frederic – Okorshore, Partie evaluee, 4m + 2s, 2008.

4.a3 Nc6

5.b5 e6 6.bc6 dc6 7.Nf3 Qe7 8.d3 Bd7 9.c4 0-0-0 10.Qa4 c5 11.Qa7 Bc6 12.Ne5 Nh5 13.Qa8 1–0. eliton – loquillo2011, kurnik, 2012.

5.c4 Rg8 6.Nf3 e6 7.d4 Ne4 8.Nbd2 Ng5 9.Be2 Nf3 10.Bf3 (10.gf3?! d6=) 10...Qg5 11.Qc2 f5 12.0-0 Ne7 13.Rae1 Rf8 14.d5 e5 15.e4 f4 16.c5 d6 17.cd6 cd6 18.Qa4 (better is 18.Qc7 b5 19.Qd6+-) 18...Bd7+/– 19.b5 h5 20.Nc4 Qf6? (better is 20...Nc8+/–) 21.Nb6!+- h4?? 22.Na8 Kf7 23.Nc7 Rc8 24.Rc1 a6 25.Be2 ab5 26.Bb5 Bb5 27.Qb5 g5 28.Qb7 g4 29.Nb5 Rc1 30.Bc1 Qg6 31.Qd7 Bf8 32.Nd6 Kg7 33.Nf5 Kh7 34.Ne7 Be7 35.Qe7 Kh6 36.Qh4 Qh5 37.Qh5 Kh5 38.d6 g3 39.d7 gh2 40.Kh2 Kg4 41.d8Q f3 42.Qg8 Kh5 43.Qg5# 1–0. slax1 – tyk, kurnik, 2011.

5.Nf3 0-0 6.c3 e5 7.b5 e4 8.bc6 ef3 9.cb7 Bb7 10.gf3 Ng4 11.Bg2 Qh4 12.Qe2 Ba6 13.fg4 Be2 14.Ba8 Ra8 15.Ke2 Qg4 16.Ke1 Qe4 17.Rg1 Qc2 0–1. efektar (1975) – directx11 (1830), kurnik, 2012.

5.Nf3 0-0 6.c4 d6 7.d4 e5 8.de5 de5 (better is 8...Ng4!?=) 9.Qd8+/– (worse is 9.Ne5 Qd1 10.Kd1 Ne4 11.Nc6 Bb2 12.Ne7 Kg7–+) 9...Rd8 10.Nbd2 (better is 10.Ne5!? Ne5 11.Be5+/–) 10...e4= 11.Nd4 Nd4 12.Bd4 b6 13.Be2 a5 14.0-0 ab4 15.ab4 Ra1 16.Ra1 Bg4 (better is 16...c5!? 17.bc5 bc5+=) 17.Bg4+/– Ng4 18.Bg7 (worse is 18.Ne4 Bd4 19.ed4 Rd4+=) 18...Kg7 19.Ne4 f5 20.Ng5 h6?? (20...Rd2 21.Ne6 Kf7 22.Nc7+/–) 21.Nf3 (better is 21.Ne6 Kf6 22.Nd8+-) 21...Rd3 22.Rc1 Rb3 23.b5 Rb2 24.Rf1 h5 25.h3 Nf6 26.Rc1 Re2? 27.Kf1 Rb2 28.Nd4 Ra2 29.f3 g5? 30.Rc2 Ra1 31.Kf2 g4? 32.hg4 fg4 33.e4 gf3 34.Kf3 Rd1 35.Ne6 Kf7 36.Nc7 Rd3 37.Kf4 Rd4 38.Nd5 Re4 39.Kf3 Re6+/– 40.Nf4 Re5 41.Nd3 Rf5 42.Ke2 Ne4 43.Ra2?? h4 44.Ra7 Kg6 45.Rb7 Rf6 46.Ne5 Kf5 47.Nd7 Re6 48.Rb6+/– Re7 49.Nb8 Nd6 50.Kd3 Nc8? 51.Rc6 Na7 52.Rc5 Kf4 53.Rd5 Re3 54.Kd4 Re4 55.Kc5 Re2 56.Nc6 Nc8 57.Nd4 Rg2 58.b6 Rg8?? 59.b7 Ne7 60.Rd7 Nf5 61.Nf5 Kf5 62.Kc6 h3 63.Kc7 h2 64.Rd8 h1Q–+ 65.b8Q Qh2 66.Kb7 Qh7 67.Ka8?? Rg6?? 68.Qb5 Kg4 69.Qd7 Kh4?? 70.Qh7 Kg5 71.Rh8 Kf5 72.Qg6! Kg6 73.Rh7! Kh7 ½–½. Fournier,Frederic – yuvraj, ICC, 2005.

5.Nf3 0-0 6.c4 d6 7.d4 Bg4 8.Be2 Bf5 9.Nc3 d5 10.cd5 Nd5 11.0-0 Nc3 12.Bc3 e6 13.Bd3 Bg4 (13...Bd3 14.Qd3 a6 15.a4+=) 14.h3 Bf3 15.Qf3 (15.gf3?! e5 16.b5 Qg5 17.Kh2 ed4 18.bc6 dc3 19.cb7 Rab8=) 15...f5 (15...Ne5 16.Qb7 Nd3 17.Qe4+=) 16.Bb5 Qd7 17.Rac1 a6 18.Bc6 Qc6 19.Qc6 bc6 20.Bb2 a5 21.Rc6 ab4 22.ab4 Ra2 23.Rb1 Re8 24.Rc7 e5 25.de5 Be5 26.Be5 Re5 27.b5 Rd5 28.b6 Rd8 29.b7 Ra7 30.b8Q Rc7 31.Qd8 (31.Qd8 Kf7 32.Qc7 Kf6 33.Rb7 Ke6 34.Qc6 Ke5 35.Rb5) 1–0. Fournier,Frederic (1830) – danieledz, Active, 2007.

4.a3 d5

5.Qc1 Nbd7 6.c4 e5 7.Nf3 e4 8.Nd4 c6 9.Nc3 0-0 10.cd5 cd5 11.Ndb5 Ne5 12.Qc2 Bf5 13.Rc1 a6 14.Nd4 Rc8 15.Qb1 Nc4 16.Nf5 gf5 17.Be2 Qc7 18.Na4 f4 19.Nc5 Nb2 20.Qb2 Qd6 21.0-0 f3 22.gf3 Ng4 23.fg4 Bb2 24.Rb1 Ba3 25.Nb7 Qb6 26.Nc5 a5 27.Nd7 Qa7 28.Nf6 Kh8 29.Nd5 ab4 30.Nf6 Qe7 31.Nd5 Qd6 32.Nf4 Rg8 33.h3 h5 34.Nh5 Rg5 35.Nf4 Rc2 36.Rfd1 Rcc5 37.Kg2 Rcf5 38.d4 Rf4 39.ef4 Qf4 40.d5 e3 41.f3 Rg6 42.Rb3 Rd6 43.Rbd3 Qc4 44.Kf1 1–0. Adamkosh (1965) – GG_Alien (1700), lichess.org, 2020.

5.c3 a6 (5...0-0 6.Nf3=) 6.f3 (6.Nf3 0-0=) 6...Nc6 7.b5 ab5 8.Bb5 Bd7 9.a4 (9.c4 dc4 10.Bc4 Na5=+) 9...0-0 10.d4 e5 11.Bc6 Bc6 12.Ne2 (12.de5 Nd7 13.f4 Nc5-/+) 12...e4 13.Qc2 (13.0-0 Re8-/+) 13...Re8 (13...ef3 14.gf3 Re8 15.Bc1–+) 14.0-0-/+ h5 (14...ef3 15.Rf3 Bd7 16.Bc1–+) 15.Nd2 (better 15.f4-/+) 15...g5?? (better 15...Bh6-/+) 16.fe4= Ne4 17.Rf3?? (17.Ne4!? Re4 18.Ng3 Re3 19.Nh5+=) 17...Bh6 (better 17...Ba4!? 18.Qc1 g4-/+) 18.Ne4=+ Re4 19.Ng3 g4 20.Ne4 (better 20.Rf5!? Be3 21.Kh1=) 20...gf3-/+ 21.Nc5 (21.Ng3 Be3 22.Kh1 Qg5 23.gf3 Bd7-/+) 21...Be3–+ 22.Kf1? (22.Kh1 b6 23.Nd3 Qf6–+) 22...Qf6 (better 22...Qg5 23.g3 h4–+) 23.a5?? (better 23.Re1 Bh6 24.Bc1 fg2 25.Kg1 Bc1 26.Qc1–+) 23...Bb5 24.Nd3 (24.c4 Bc4 25.Nd3 Bd3 26.Qd3 fg2 27.Kg2 Qf2 28.Kh3 Qf3 29.Kh4 Qg4) 24...fg2 (24...Bd3 25.Qd3 fg2 26.Kg2 Qf2 27.Kh3 Qf3 28.Kh4 Qg4) 25.Kg2 Bd3 26.Qd3 (26.h3 Bc2 27.Rf1 Be4 28.Kg3 Qg6 29.Kh4 Qg5) 26...Qf2 27.Kh1 (27.Kh3 Qf3 28.Kh4 Qg4) 27…Qf3 0–1. Delboy Smith (1680) – colinwebb (1770), ChessWorld.net, 2018.

5.c4 Be6 6.Qa4 Qd7 7.Qd7 Nbd7 8.cd5 Bd5 9.Nc3=.

5.d3 0-0 6.Qc1 (6.Nf3 a5=) 6...Nbd7 (6...a5 7.Nf3+=) 7.c4 (7.Nf3 a5=) 7...e5 (7...dc4 8.Qc4 Nb6 9.Qc2=) 8.Nd2 (8.Nf3 Re8=) 8...e4 (8...Re8 9.cd5 Nd5 10.Ngf3=) 9.de4 (9.cd5 ed3 10.Bd3 Nb6+=) 9...de4 (worse is 9...Ne4 10.Bg7 Kg7 11.cd5+/–) 10.Ne2 (10.g4 Qe7 11.g5 Ne8=) 10...c5 (10...Qe7 11.Qc2+=) 11.bc5 (11.Qc2 Qe7=) 11...Qc7 0–1. jaddwarrior (1790) – Baysage (2320), ChessWorld.net, 2014.

5.d4 c6 6.Nf3 0-0 7.c4 Bg4 8.cd5 Nd5 9.Be2 Nd7 10.Nc3 Nc3 11.Bc3 Qc7 12.0-0 Rfe8 13.h3 Bf3 14.Bf3 e5 15.de5 Ne5 16.Be5 Qe5 17.Rc1 Rad8 18.Qc2 f5 19.Rfd1 Bf6 20.Qc4 Kg7 21.Rd8 Rd8 22.Qc2 Qd6 23.Rd1 Qe7 24.Rd8 Qd8 25.Qd1 h6 26.Qd8 Bd8 27.a4 Kf6 28.b5 cb5 29.ab5 a6 30.ba6 ba6 31.Bc6 a5 32.Kf1 g5 33.Ke2 Bb6 34.Kd3 Ke5 35.Kc4 f4 36.ef4 Kf4 37.f3 h5 38.Kb5 Kg3?? 39.Kb6+- a4 40.Ba4 Kg2 41.Bc6 Kh3–+ 42.Kc5 Kg3 43.Kd4 h4 44.Ke3 h3 0–1. Fournier,Frederic – Guest1110578, Partie amicale, 1m + 0s, 2008.

5.Be2 a5 6.b5 0-0 7.Nf3 Bg4 8.0-0 c6 9.c4 (9.Nc3 Nbd7=) 9...Nbd7 (9...Bf3 10.Bf3 dc4 11.Qa4+=) 10.cd5= cd5 11.h3 Bf3 12.Bf3 Nb6 13.a4 (13.d3 Rc8=) 13...Qc7 (13...Qd6 14.d4=) 14.Nc3 Rfc8 15.Rc1 (15.d3 Qd6=) 15...Qd6 16.Rc2 e6 (16...Qb4 17.Ba1=) 17.Qb1 (17.Qa1 Rc7=) 17...Nc4 (17...Qb4 18.Qa1+=) 18.Rfc1= Nb2 (18...Rc7 19.Qa1 Nd7 20.d3 Nb2 21.Qb2+=) 19.Qb2 Nd7 20.d4 Nb6 21.Ne2 (21.Qb3 Qb4 22.Qa2 Rc7=) 21...Rc2 22.Qc2 Bf8 23.Qd1 Qb4 24.e4 e5 (24...de4 25.Be4 Ra7 26.Bc2=) 25.ed5+= (worse is 25.de5 de4 26.Rb1 ef3 27.Rb4 fe2 28.Qe2 ab4-/+) 25...ed4 26.Qd4 Na4 27.Rc4 Qb1 28.Nc1 Rd8 29.Kh2 (29.Be4 Qb2 30.Ra4 Qc1 31.Kh2 Bc5+=) 29...Nb2 (29...Bg7 30.Qh4 Re8 31.Ra4 Qc1 32.Qc4=) 30.Be4+= Qa1 31.Nb3 (31.Nd3 Bg7 32.Qb6 Nc4 33.Qd8 Bf8=) 31...Qa3 32.Rc2 Qb3 33.Rb2 Qa3 34.g3 (34.Rd2 Qb4=) 34...Bg7+= 35.Qb6 Rd6 36.Rb3 Rb6 37.Ra3 Rb5 38.d6 Kf8 39.Re3 Bd4 (better is 39...Rb2 40.d7 Rf2 41.Bg2 Bf6 42.Re8 Kg7+=) 40.Re2 (better is 40.Rd3!? Bf2 41.Rd2+=) 40...Re5-/+ 41.Kg2 (41.Rd2 Re4 42.f3 Re6 43.Rd4 Ke8–+) 41...f5–+ 42.Bd3 (42.Rd2 fe4 43.Rd4 Ke8–+) 42...Re2 43.Be2 a4 44.Kf3 (44.Bc4 a3–+) 44...a3 45.Bc4 Be5 46.Ke3 Bd6 47.Kd3 b5! 48.Bb3 (48.Bb5 a2 Passed pawn) 48...Kg7 49.Kc3 b4 (49...b4 50.Kd4 Kf6–+) 0–1. Cirulis,Ilmars (1675) – Ocloz,Laurie (1910), FICGS, 2015.

5.f4 0-0 6.Nf3 Re8 7.Be2 Nfd7 (7...Nc6 8.b5 Na5 9.0-0=) 8.Qc1 (8.Bg7!? Kg7 9.Nc3+=) 8...e5=+ 9.0-0 (9.fe5 Ne5 10.Ne5 Be5 (worse 10...Re5 11.Be5 Be5 12.d4 Qh4 13.Kf1+=) 11.Be5 Re5=+) 9...e4 (9...ef4 10.Bg7 Kg7 11.c4=+) 10.Ng5 (10.Nd4!?=) 10...h6 11.Bg7 Kg7 12.Qb2 Qf6 13.Qf6 Nf6 14.Nh3 a5 15.Nc3 Nc6 16.b5 Ne7 17.Nf2 h5 18.Na4 (18.b6 c6=+) 18...b6 19.Rfc1 Bb7 (19...Nf5 20.c3-/+) 20.c4=+ d4 21.c5 bc5 (21...Ned5 22.ed4 Nf4 23.Bf1=+) 22.Nc5= Bd5 (22...Ra7 23.a4=) 23.a4 (23.Na6 c6 24.Nc7 d3+/-) 23...Nf5 (23...Ra7 24.Bc4=) 24.Nd1 (better 24.Na6!? de3 25.de3+/-) 24...d3 25.Bf1 h4 (25...Re7 26.Nc3=) 26.Nc3 (better 26.Na6!? Rec8 27.Nc7+/-) 26...Re7 27.Na6 (27.Rab1 Rb8=) 27...Ra7 (27...Bb3 28.Nb1=) 28.Nd5= Nd5 29.Rc4 Nb4 (better 29...Nd6 30.Rc6 Nb6=) 30.Nb4+- ab4 31.Rb4 Nd6 32.Rc1 c5? (better 32...Re8 33.Rd4 Rea8+/-) 33.Rc5 Ra4 (33...Ra8+-) 34.Ra4 1-0. allyouneedisluft (2660) - letranger (2555), Rated Bullet game, lichess.org, 2016. (=1.a3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7)

5.f4 a6 6.Nf3 0-0 7.Be2 Nbd7 8.0-0 c5 9.Qe1 (9.Ne5 Qc7=) 9...Qc7 (9...b5 10.Qh4=) 10.Nc3 (10.bc5 Qc5 11.Qd1 b5=) 10...b5 11.Ne5 cb4 12.ab4 Bb7 (12...Ne5 13.fe5 Qe5 14.Bb5+=) 13.Rb1 (13.Bf3 Qd6+=) 13...e6 (13...Rad8 14.Qh4=) 14.Qh4 Ne5 15.fe5 Ne4 16.Rbd1 (16.Ne4 de4 17.Qf4 Qc2+=) 16...Be5 (16...Qe5 17.d4 Qc7-/+) 17.Rf3 (17.Ne4 Bb2 18.Ng5+=) 17...Nc3 (17...Bc3 18.dc3 e5 19.Rh3-/+) 18.Bc3 Bc3 19.Rh3 (19.dc3 Qc3 20.Rh3 Qg7–+) 19...f5 20.dc3 Rf7 21.g4 Qc3 22.gf5 ef5 23.Bd3 Re8 24.Rf1 Qf6 25.Qh6? d4 26.Re1 Qc6 27.Rg3 de3 28.Ree3 Re3 29.Qe3 f4 (29...f4 30.Qf3 fg3 31.Qc6 gh2 32.Kh2 Bc6–+) 0–1. Heinola – Kuutti, KankSK club, 1984.

5.f4 Bg4 6.Be2 Be2 7.Ne2=.

5.g4? Bg4-/+ 6.f3 Bf5 7.Bh3 Qd7 8.Bf5 Qf5 9.Nc3 c6 10.Qe2 Nbd7 11.e4 de4 12.Ne4 0-0 13.Nf6 Bf6 14.Bf6 Qf6 15.0-0-0?? (better is 15.Rb1–+) 15…Qa1 0–1. dtpwaldi – robdeniro, kurnik, 2011.

5.c4 0-0

6.d4 Bf5 7.Nc3 a5 8.ba5 Ra5 (8...c5!?=) 9.cd5+= Qd6 10.Qb3 Nd5. mgriffin (1810) – maestroguira, net–chess.com, 2001.

6.cd5 Qd5 7.Nc3 Qd6 8.Bc4 Qc6 9.Bb3 (better is 9.Bf1!?=) 9...Qg2-/+ 10.Qf3 Qg5 (better is 10...Bh3! 11.d4 Qf3 12.Nf3 Bg2–+) 11.Nge2 (11.Qg3 Qg3 12.hg3 Rd8+=) 11...Qe5 (11...Nc6 12.d4-/+) 12.Rc1 c6 13.Rc2 (13.d4 Qd6+=) 13...Bf5 (better is 13...Qf5 14.Qg2 a5-/+) 14.Na4? (14.d4!? Qd6 15.e4+=) 14...Qd6 (better is 14...Qe4 15.Qe4 Be4–+ (15...Ne4?! 16.Bg7 Kg7 17.Nd4+=)) 15.Rc1?? (better is 15.Bf6 Bf6 16.e4-/+) 15...Be4–+ 16.Qg3 Bh1 17.Be5 Qd3 18.Rc3 Qf5 19.Bc2 Qc8 20.Nf4 Ne4 21.Be4 Be4 22.Bg7 Kg7 23.Nh5 Kg8 0–1. thedesertfox (1905) – pe (2325), net–chess.com, 2004.

6.cd5 Qd5 7.Nc3 Qd6 8.d4=.

6.cd5 Qd5 7.Nc3 Qd8 8.Nf3 Nc6 (8...a5 9.b5=) 9.d4 Nd5 (9...a6 10.Bd3=) 10.Bc4 Be6 11.Qb3 Nc3 12.Be6 Ne4 13.Bd5 Nd6 14.Bc6 bc6 15.Rc1 Qd7 16.Ne5 Be5 17.de5 Ne4 18.0-0 a5 (18...Rad8 19.Qc2 Qf5 20.Rfd1+-) 19.Rfd1 Qf5 20.f3 Ng5 21.Rc6 ab4 22.Qb4 Rfb8+/– 23.Qc3 Ra4? 24.Rd5 Qb1+/– 25.Bc1 Ne6 26.Rd1 Rb3 27.Qe1 Rd3 28.Rd3 Qd3 29.Rc3 Qd5 30.f4 Nc5 31.Qe2+/– c6 32.Qc2 Ra5 33.Bd2 Rb5+- 34.a4?? Na4= 35.Rd3 Rb2 36.Qc1?? Qa2 37.Rd8 Kg7 38.Qc6?? Rb1?? 39.Kf2+/– Rb2 40.Qd5 Qa1 41.Ra8?? Qd1 42.Kg3 Rd2 43.Qb7 Qe1 44.Kf3 Qf2 45.Kg4 h5 46.Kh3 Qe3 47.g3 Qf2 (47...Qf2 48.Rg8 Kh7 49.Qh1 Kg8 50.e6 Qe2 51.ef7 Kh7 52.f8N Kh6 53.Ng6 Qg4#) 0–1. Vandenburg,V – Welford,M, Lansing MI Feb mini, 1990.

5.c4 c6

6.Qc2 0-0 7.Nf3 Bf5 8.d3 dc4 9.Qc4 Nbd7 (9...b5 10.Qc2= a5 11.Nd4 Bd7) 10.Nbd2 (10.Be2 a5= 11.Nbd2 Nb6) 10...Nb6 (10...a5 11.ba5 (11.Nd4 Ne5) 11...Ra5 12.Be2=) 11.Qc2= Re8 (11...a5 12.ba5 Ra5 13.Rb1=) 12.h3 (12.Be2 a5=) 12...a5 13.e4 Be6 14.Nd4 Qc8 (14...Bc8 15.b5 Nh5 16.N4f3 cb5 17.Bg7 Ng7 18.d4=) 15.ba5+= Ra5 16.N2b3 (16.Ne6 Qe6 17.Nb3 Ra7=) 16...Bb3= 17.Nb3 (worse is 17.Qb3 Na4 18.Rb1 Nb2 19.Qb2 Nh5-/+) 17...Ra8 18.Nc5 Nbd7 19.Nd7 Nd7 (19...Qd7 20.d4=) 20.Bg7 (20.d4 Qd8=) 20...Kg7 21.Be2 (21.d4 Qd8+=) 21...e5+= 22.0-0 Qc7 23.Rfd1 Nf8 24.d4 ed4 25.Rd4 Ne6 26.Rb4= c5 27.Qb2+/– Nd4 28.Rb7 Qe5 29.Bc4 Rf8 30.Bd5 Rab8+/– 31.Rb1 Rb7 32.Qb7 Ne2 33.Kh1 Qd4 34.Re1 Kg8+= 35.Rf1 Qd3 36.Kh2 Qa3 37.Bc4 Nd4 38.f4 Qa8? 39.Rb1 Qd8 40.e5 Qh4 41.Qe4 Ne6 42.g3 Qd8 43.h4 Qa8 44.Bd5 Qa6 45.h5 Nd4 46.Rb7 Qe2 47.Qe2+- Ne2 48.Rc7 Nd4 49.Kh3 Nf5 50.Rc5+- Rd8 51.e6 Nd6 52.ef7 Nf7 53.Bc4 Rd7 54.h6 Kf8+/– 55.Rc8 Ke7 56.Bf7 Kf7 57.Kh4 Kf6 58.g4 Ke7 59.Kg5 Kf7 60.Rh8 Ke6 61.f5 gf5 62.gf5 Ke5 63.Re8 Kd6 64.Kf6 Rc7 65.Re6 Kd5 66.Re7 (66.Re7 Rc2 67.Kg7+-) 1–0. Suba,M (2525) – Moya Hernandez,Alvaro, 1st It Almeria ESP, 2006.

6.cd5 cd5 7.Bb5 Bd7 8.Bd7 Nbd7 9.Nf3 0-0 10.0-0 a5 11.Nc3 ab4 12.ab4 Qb6 13.b5 e6 14.Qe2 Nc5 15.d4 Nb3 16.Ra8 Ra8 17.Qc2 Na5 18.Ra1 Rc8 19.Nd2 (19.Ra2!? Qb5 20.Qd2=) 19...Qb5!-/+ 20.Qb1 Qb4 21.Ra4 Qb6 22.Qa1 Nb3 23.Nb3 Qb3 24.Ra3 Qc4 25.Ra4 Qc6 26.h3 Bf8 27.Ra8 Kg7 28.Rc8 Qc8 29.Qa4 Bd6 30.Qb3 Bb8 31.Na4 Qc7 32.f4 h5 (32...g5 33.g3–+) 33.h4 (33.Nc5!?-/+) 33...Qa5 34.Bc3 Qa6 35.Qd1 Ng4 36.Nc5 Qc4 (36...Ne3?! 37.Qf3 Qd6 38.Qe3 Qf4 39.Qf4 Bf4 40.Nb7=) 37.Qd2 b5 38.Nd3? (38.Nb7 Bc7–+) 38...Bd6 (38...Ne3 39.Qe3 Qc3 40.Kf2–+) 39.Bb4 (39.Bb2 Be7–+) 39...Bc7 (39...Bb4 40.Nb4 Qb3 41.Nd3–+) 40.Nb2 (better is 40.Qe2–+) 40...Qb3 41.Nd3 Qb1 42.Ne1 Ne3! 43.Be7 Bf4 44.Qf2 Ng4 (44...Ng4 45.Qe2 Be3 46.Kh1 Bf2–+) 0–1. Krois,Andreas – Heinzel,Peter, Ruhrgebiet VL1–chT, 1996. (=1.a3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7)

6.Be2 0-0 7.Nf3 Re8 (7...dc4 8.Bc4 Nbd7 9.Nc3+=) 8.d4 Bf5 9.0-0 Nbd7 10.Nbd2 Ne4 11.Nh4 (11.Ne4 de4 12.Nd2 e5=) 11...e6 (11...Nd2!? 12.Qd2 Be6=) 12.Nf5+= ef5 13.cd5 cd5 (13...Nd2 14.Qd2 cd5 15.Rac1+=) 14.Bd3 (14.Ne4!? fe4 15.Qb3+=) 14...Ndf6 15.Rc1 Qd6 16.Nf3 Rac8 17.h3 (17.Ne5 Qe6=) 17...Bh6 18.Ne5 Nd7 (18...f4 19.ef4 Bf4 20.Rc8 Rc8 21.Re1=) 19.Bb5 (19.Qa4!? Nb6 20.Qa7+=) 19...Rc1+= 20.Qc1 Nef6 21.Qc2 a6 22.Nd7 (22.Bd7 Nd7 23.Rc1 f4=) 22...Nd7= 23.Ba4 b5 24.Bb3 f4 25.ef4 Bf4 26.Bc1 Bc1 27.Rc1 (27.Qc1 Re4+=) 27...Re6 (27...Nb6 28.Qc5 Qe6 29.Qc3+=) 28.g3 Nb6 29.Qc5 Exerts pressure on the isolated pawn 29...Nc4 30.a4 Qc6 (30...Qe7 31.Bc4 bc4 32.b5 Re1 33.Re1 Qe1 34.Kg2 Qe4 35.Kg1 ab5 36.ab5 Qe1 37.Kg2 Qe4 38.Kg1 Qb1 39.Kg2 Qe4 40.Kg1=) 31.Bc4 bc4 32.b5 ab5 33.ab5 Qb7 (33...Qd7 34.b6=) 34.Ra1 Rb6 (34...Kg7 35.Ra7 Qb6 36.Kg2=) 35.Ra8 (35.Re1!? Qb8 36.Qd5 Rb5 37.Qc4+=) 35...Qa8= 36.Qb6 c3 37.Qc7 Qa1 38.Kg2 Qb2 (better is 38...Qe1 39.b6 Qe4 40.Kh2 Qf5=) 39.b6+/– c2 40.b7 c1Q 41.b8Q Qb8 42.Qb8 (42.Qc1?! Qd6=) 42...Kg7 43.Qe5 Kf8 44.Qd5 Qc8?? (44...Qb2 45.Qa8 Ke7 46.Qa7 Kf6 47.Qd7+/–) 45.Qe5 (better is 45.Qc5 Qc5 46.dc5+-) 45...Qb7 46.d5 h5 47.h4 Qd7? (better is 47...Qb5+/–) 48.d6+- Qc6 49.Kh2 Qd7 (49...Kg8+-) 50.Qh8 1–0. Wirowski,Piotr (1665) – Listwan,Mateusz, Puchar Gor Sowich – OPEN A Poland, 2007.

6.Nf3 0-0 7.d4 Nbd7 8.c5 Qc7 9.Bd3 Re8 10.b5 e5 11.de5 Ng4 12.bc6 bc6 13.0-0 (13.Qc2 Nge5 14.Ne5 Be5-/+) 13...Nge5 14.Ne5 Ne5 15.Nd2?? (better is 15.Bd4+=) 15...Nd3 16.Bg7 Kg7 17.Nf3 (17.Qc2 Ba6 18.Rfd1–+) 17...Bg4 (17...Ba6 18.Qd2–+) 18.h3?? (better is 18.Qd3 Bf3 19.gf3+=) 18...Bf3–+ 19.gf3 Ne5 20.f4 Nc4 21.Kh2 Re3 22.fe3+= f6 23.Qd4 Re8 24.Rf3 Re4 25.Qd3 g5 26.Rg1 h6 27.h4 Kf7 28.hg5 hg5 29.Rg4 gf4 30.Rgf4?? Ne5–+ 31.Rf6?? Ke7 32.Qf1 Ng4 33.Kh3 Qh2# 0–1. slavisa11 – Reality, Live Game Caissa's Web, 2004.

6.Nf3 0-0 7.Be2 Bg4 8.c5 Nbd7 9.d3 (9.Nc3 Ne4+=) 9...Qc7 (9...b6 10.cb6 Qb6 11.Bc3+=) 10.Nbd2+= e5 11.h3 Bf3 12.Bf3 Rfe8 13.e4 Nf8 14.g3 (14.0-0 Rad8=) 14...Rad8 15.Qc2 Ne6 16.0-0 h5 17.ed5 cd5 (17...Nd5!? 18.Nc4 h4+=) 18.Bg2= e4 19.de4 de4 20.Bf6 (worse is 20.Ne4 Ne4 21.Bg7 Ng3 22.fg3 Ng7+=; 20.Be4? Rd2 21.Qd2 Ne4–+) 20...Bf6 21.Rae1 Nd4 22.Qc4 (better is 22.Qa2+=) 22...Nf3?? Black plans h4 (better is 22...e3 23.Ne4 ef2 24.Rf2 Bg7+=) 23.Nf3+/– ef3 24.Re8 Re8 25.Bf3 h4 26.Qf4 (better is 26.gh4!? Re5 27.Kg2+-) 26...Qf4+= 27.gf4 Re7 28.Rd1 Rc7 29.Rd5 Bb2 30.Rd3 Kg7 31.a4 a5 32.b5 Rc5 33.Bb7 Rc4 34.Bd5 Ra4 35.b6 Rb4 36.b7 a4? (better is 36...Bc1+=) 37.Re3+- Bd4?? (better is 37...Bc1 38.Re4 Rb5+-) 38.Re8 Rb1 39.Kg2 Rb2 (39...Rb7 40.Bb7 a3 41.Bd5+-) 40.b8Q (40.b8Q Rb8 41.Rb8+-) 1–0. Fries_Nielsen,Jens Ove (2415) – Brynell,Stellan (2470), Swedish Championship Elitserien, 2013. (=1.a3 d5 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.c4 c6)

6.Nf3 0-0 7.Be2 Bg4 8.d3 Nbd7 (8...dc4 9.dc4 Bf3 10.Bf3=) 9.0-0 (9.Nbd2 Ne8 10.Qb3 Ndf6=) 9...Qc7 10.Nc3 (10.cd5 Nd5 11.Bg7 Kg7=) 10…e5 ½–½. Hlavinka,Zdenek – Stehlik,Jiri (2095), Brno Duras BVK op–A, 2002. (=1.a3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.c4 c6)

6.Nf3 0-0 7.Be2 Bg4 8.cd5 cd5 9.Qa4 Qd7=.

6.Nf3 0-0 7.h3 Ne4 8.Bg7 Kg7+=.

6.Nf3 Be6 7.Qb3=.

5.d4 0-0

6.c4 dc4 7.Bc4 a6 8.Nd2 b5 9.Bd3 Bb7 10.Ngf3 Nbd7 11.0-0 Re8 12.Nb3 Rc8 13.Nc5 Nc5 14.bc5 Bf3 15.Qf3 (worse is 15.gf3 e5 16.a4 ed4 17.ab5 de3 18.ba6 Nd7 19.Bg7 Kg7=) 15...Qd5 16.Qd5 Nd5 17.h3 e5 18.e4 (better is 18.a4 Nb4 19.Rfd1=) 18...Nf4-/+ 19.Rfd1 ed4 (19...Nd3?! 20.Rd3 ed4 21.f3+=) 20.g3 Nd3 21.Rd3 Re4 22.f3 Re3 23.Re3 de3 24.Kf1?? (better is 24.Bg7 Kg7 25.Kf1–+) 24…Bb2 (24...Bb2 25.Ra2 Bd4–+) 0–1. mihai740609 – vihor13, kurnik, 2011.

6.c4 dc4 7.Bc4 c6 8.Nd2 Bg4 9.f3 Bf5 10.e4 Bd7 11.Ne2 e6 12.0-0 Be8 13.Qc2 Nbd7 14.Rad1 Nb6 15.Bb3 Rc8 16.Ba2 Bd7 17.a4 Re8 18.a5 Na8 19.Nc4 Qc7 20.e5 Nd5 21.Qb3 b6? 22.Nd6 ba5 23.Ne8 Be8 24.ba5 Rb8 25.Qa3?? Bf8-/+ 26.Qd3 Nb4?? 27.Qb1+/– Nd5 28.Bd5 cd5 29.Qa2?? Bb4?? 30.Rc1 Qa5 31.Qa5 Ba5 32.Ba3 Rb3?? 33.Bc5 Bb6 34.Ng3 Bb5 35.Bb6 Bf1? 36.Nf1?? Nb6-/+ 37.Rc7 a5 38.Ra7 a4 39.Nd2 Rb2 40.Nf1 Rb1 41.Kf2 Ra1 42.Ne3 Nc4 43.Nc2?? Ra2–+ 44.Kg3 0–1. amator111 (1650) – araisuf, kurnik, 2011.

6.Nd2 Nbd7 7.Ngf3 c6 8.c4 a5 9.c5 ab4 10.ab4 Ra1 11.Ba1 Ne4 (11...b6=) 12.b5 (12.Ne4 de4 13.Nd2 Nf6+=) 12...Ndf6 (12...Qa5!? 13.Be2 Nd2 14.Nd2 Nc5=+) 13.Ne4 Ne4 14.Bd3 (14.b6 e5=) 14...Qa5=+ 15.Ke2 cb5 16.Qb3 (16.Qc2 Bf5=) 16...Bf5 (16...Bg4 17.Qc2 b4 18.Rd1-/+) 17.Bb2 Qc7 (better 17...Qa4!? 18.Qb5 Qb5 19.Bb5 Ra8=+) 18.Ra1 g5 (18...Bd7 19.Qd5 Bc6 20.Qa2+=) 19.Qb5 (19.Qd5!? e6 20.Qb3+-) 19...g4+= 20.Ne5 Be5 21.de5 Qc8 (21...Bd7 22.Qb6 Qc5 23.Qb7+-) 22.Bd4+- Ng5 23.Rb1 (23.Bf5 Qf5 24.Qb1 Qd7+-) 23...Bd3+= 24.Qd3 Ne4 25.f3 (25.Rb5 Qf5 26.f3 Qh5=+) 25...gf3 26.gf3 Nc5 27.Rg1 (better 27.Qc2!? Ne6 28.Qc8 Rc8 29.Rb7 Rc2 30.Kd3 Rh2 31.Re7=) 27...Kh8=+ 28.Qc3 Ne6 29.Qd3 (29.Qc8!? Rc8 30.Rb1=+) 29...Qc4 30.Qc4 dc4 31.Bc3 (31.Rb1 Rb8 32.Ba7 Rg8=+) 31...Rc8 32.f4 b5 33.f5 Nc5 34.e6 f6 35.Bb4 (35.Rb1=+) 35...Ne4 (better 35...Rc7!?-/+) 36.Be7= c3 (better 36...h5=) 37.Bd6?? (better 37.Kd3 Rc4 38.Ba3 Nf2 39.Ke2+-) 37...Nd6–+ 38.e7 (38.Rf1 b4 39.e7 c2–+) 38...c2 (better 38...Nf5 39.Kd3–+) 39.Rc1 (39.Kd2–+) 39...b4 40.Kd3 (40.Kd2 b3 41.e4 Ne4 42.Kd3–+) 40...b3 41.Rc2 bc2 (41...bc2 42.e8Q Ne8 43.Kd2 c1Q 44.Ke2 Rc2 45.Kf3 Qh1 46.Kg3 Qg2 47.Kh4 h5 48.Kh5 Qg5) 0–1. TwelveTeen (2665) – VedranCorluka (2655), lichess.org, 2018. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d5 5.d4 0-0)

6.Nf3 b6 7.Bd3 Bb7 8.0-0 Nbd7 9.Nbd2 e6 10.c4 c5 11.dc5 bc5 12.b5 dc4 13.Nc4 Nd5 14.Bg7 Kg7 15.Qc2 N7b6 16.Nb6 ab6 17.Rfd1 Qe7 18.a4 Nb4 19.Qc3 Kg8 20.Ne5 f6 21.Nc4 Qc7 22.Bf1 Rad8 23.Be2 e5 24.Rd8 Rd8 25.Rd1 Rd1 26.Bd1 Bd5 27.Be2 Bc4 28.Qc4 Kg7 29.Qe6 Qd8 30.h3 Nd5 31.Bc4 Nc3 32.Qf7 Kh6 33.g4 Na4 34.h4 Nb2 35.Be6 Nd3 36.Kg2 Ne1 37.Kg3 Qa8 38.Bd5 Qd8 39.h5 f5 40.hg6 hg6 41.Qe6 f4 42.Kh3 Qg5 43.ef4 Qf4 44.Qg8 Nd3 45.Qh8 Kg5 46.Qh4# 1–0. mihai740609 – ddaamm, kurnik, 2012.

6.f4 c6 7.Nf3 Bg4 8.Nbd2 Ne4 9.Be2 Bf3 10.Bf3 f5 11.0-0 Nd7 12.c4 Ndf6 13.cd5 cd5 (worse is 13...Nd5 14.Be4 fe4 15.Qb3+/–) 14.Rc1 Rc8 15.Qe2 Qd7 16.Nb3 b6 17.Be4 Ne4 18.g3 Rc1 19.Rc1 Rc8 20.Rc8 Qc8 21.Qd3 e6 22.a4 Qc6 23.b5 Qc7 24.Ba3 Kf7 25.Kf1 h5 26.Ke2 Bf6 27.Kd1?? h4 28.Ke1 hg3 29.hg3 Ng3 30.a5 Ne4 31.ab6 ab6 32.Ke2 Qc3 33.Qc3 Nc3 34.Kd3 Nb5 35.Bb4 Be7 36.Be7 Ke7 37.Nd2 Kd6 38.Nf3 Nc7 39.Ne5 Na6 40.Ng6 b5 41.Ne5 b4 42.Nf7 Kc6 43.Ng5 Kd6 44.Nf3 Kc6 45.Ne5 Kb5-/+ 46.Nd7 Ka4 47.Kc2 b3?? 48.Kb2= Kb4 49.Nf8 Nc7 50.Nd7 Kc4 51.Nc5?? Kb4?? 52.Nb3= Kc4 53.Nc5 Kb4 54.Kc2 Kc4 55.Kd2 Kb4 56.Kd3 Kb5 57.Kc3 Kc6 58.Kb4 Kd6 59.Ka5 Ne8 60.Kb6 Nf6-/+ 61.Nb7 Kd7 62.Nc5 Kd6 63.Nb7 Kd7 64.Nc5 Kd6 ½–½. amator111 (1720) – mam2, kurnik, 2011.

6.f4 Nc6 7.Nf3 Ne4 8.Bd3 f5 9.0-0 Bd7 10.c4 e6 11.Nbd2 b6 12.Rc1 Ne7 13.Qc2 Bc6 14.Ne5 Be5 15.de5 Qb8 16.cd5 Bd5 17.Be4 fe4 18.Qc7 Qc7 19.Rc7 Nf5 20.Re1 Rac8 21.Rc8 Rc8 22.Bd4 Rc2+= 23.Nf1 Nh4 24.g3?? Nf3–+ 25.Kh1 Ne1 0–1. amator111 (1755) – oxoran, kurnik, 2011.

6.f4 Ne4 7.Nd2 Nd2 8.Qd2 Bd7 9.Bd3 b6 10.Nf3 c6 11.0-0 Qc8 12.c4 dc4 13.Bc4 Be6 14.Bd3 Bf5 15.e4 Be6 16.Rac1 Nd7? (better is 16...Qd8+/–) 17.d5!+- cd5?? (17...Bb2 18.Qb2 Bg4+-) 18.Rc8 (18.Rc8 Rfc8 19.f5 Bb2 20.fe6+-) 1–0. amator111 (1650) – 40stranger, kurnik, 2011.

6.f4 Bg4 7.Nf3 Nbd7 8.Nbd2 e6 9.Bd3 b6 10.0-0 c5 11.c3 Rc8 12.Rc1 cd4 13.cd4 Qe7 14.Qa4 Nb8 15.Ne5 Bf5 16.Ba6 Rc1 17.Rc1 Ne4 18.Ne4 Be4 19.g3 Be5 20.de5 h5 21.Bb5 h4 22.Kf2 hg3 23.hg3 g5 24.Bd4 g4 25.Qd1+/– Kg7 26.Qg4 Bg6 27.Rh1 a6?? 28.Bd3 b5 29.Bg6 fg6 30.Qh4 Qh4+/– 31.Rh4 Rc8 32.g4 Rc2 33.Kf3 Ra2 34.f5! gf5 35.gf5 Nc6 36.f6 Kg6 37.Rg4 Kf7 38.Rg7 Kf8 39.Rc7 Nd4+/– 40.ed4 Ra3 41.Kf4 a5? 42.Re7+- ab4 43.Re6 b3 44.Rb6 Ra5 45.e6 b2 46.Rb8# 1–0. amator111 – arutua, kurnik, 2011.

5.d4 Nc6

6.c4 dc4 (6...0-0 7.Nf3=) 7.Bc4 0-0 8.Nd2 (8.Nf3 Bg4=) 8...Bf5 (8...a6 9.Qf3=) 9.Nb3 a6 10.h3 (10.Nf3 b5 11.Bd3 Bd3 12.Qd3 e6+=) 10...b5 11.Be2 Nd7? (11...Qd6 12.Rc1 Be4 13.Bf3=) 12.f3?? (better 12.Bf3!? Ndb8 13.Rc1+-) 12...Nf6 (12...Nb6 13.Rc1 Qd6 14.f4=+) 13.Nc5 (13.e4 Bd7=) 13...Nd7 (13...Qd6 14.Kf2 Nh5 15.f4=) 14.g4 Nc5 15.bc5 (15.gf5 Na4 16.Qc2 Qd6 17.fg6 hg6=+) 15...Bd7 (15...Be6 16.a4 b4 17.h4=+) 16.Qc2 (16.h4 Be6=) 16...Be6 (16...e5 17.d5 Qh4 18.Kd1=+) 17.f4 Bd5 (17...Na5 18.Nf3=) 18.Nf3 Na5 19.0-0 (19.Bc3 c6=) 19...e6 (19...Nc4 20.Bc4 Bc4 21.Rfd1=) 20.Ne5 (20.e4 Bc4=) 20...Nc6 (20...f6 21.Nf3=+) 21.Nc6 (21.e4!? Ne5 22.fe5+=) 21...Bc6= 22.g5 Qd5 (22...f6 23.gf6 Qf6 24.Rab1=+) 23.Bf3 Qd7 24.Bc6 Qc6 25.e4 Rfd8 26.Rad1 Rd7 27.f5 ef5 (better 27...gf5!? 28.ef5 Rad8=) 28.d5+- (28.ef5?! Re8=) 28...Rd5?? (28...Qb7 29.Bg7 Kg7 30.Qc3 Kg8=) 29.ed5+- (29.Rd5 fe4 30.Rfd1 Re8 31.Bg7 e3+-) 29...Qe8 30.Rfe1 Qd7 (30...Qd8 31.h4 Bb2 32.Qb2+-) 31.Bg7 Kg7 32.Qc3 Kf8 (32...Kg8+-) 33.Qh8 1–0. Delboy Smith (1775) – colinwebb (1770), ChessWorld.net, 2018.

6.Nf3 0-0 7.b5 Ne4?? (better 7...Na5=) 8.bc6+- bc6 9.Bd3 f5 (9...Rb8 10.Ra2+-) 10.0-0 c5 11.c4 dc4 (11...Rb8 12.Qc2+-) 12.Bc4 Kh8 13.Nc3 Bb7 (13...Rb8 14.Qe2 cd4 15.ed4+- (15.Nd4?! Rb2 16.Qb2 Nc3+-)) 14.Ne4 Be4 (14...fe4 15.Ne5 cd4 16.Qd4 Qd4 17.ed4 Be5 18.de5+-) 15.Ng5 Bb7 (15...Qb8 16.Ne4 fe4 17.Rb1+-) 16.Nf7 (better 16.Ne6 Qe8+-) 16...Rf7 17.Bf7 Rb8 (17...cd4 18.ed4 c5 19.Qb3 cd4 20.Qb7+-) 18.Qc2 (18.Qc1 cd4 19.Bd4 Bd4 20.ed4 Qd6+-) 18...cd4 (18...Be4 19.Qd2+-) 19.Bd4 Bd4 20.ed4 Qd4 (20...Qd6 21.Qc3 Kg7 22.Bc4+-) 21.Rad1 (better 21.Qc7 Rf8 22.Qe7+-) 21...Qe4 (21...Qe5 22.Rfe1 Be4 23.Qc4+-) 22.Qe4 (22.Qc3 e5 23.f3 Qf4 24.Qc7 Qe3 25.Kh1 Bd5 26.Qb8 Kg7 27.Qg8 Kh6 28.Rd5 Qb6 29.Qf8 Kh5 30.Qg7 Qe3 31.h4 Kh4 32.Qh7 Kg5 33.Qg6 Kh4 34.Qh5 Kg3 35.Qh2) 22...Be4 (22...fe4?? 23.Rb1+-) 23.Bd5 (23.Rd7!? c6+-) 23...Bd3 (23...Bd5 24.Rd5 Kg7+-) 24.Rd3 1-0. allyouneedisluft (2605) - Audeamus8 (2450), Rated Bullet game, lichess.org, 2019. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d5)

5.Be2 0-0

6.Nf3 a5 7.0-0 ab4 8.ab4 Ra1 9.Ba1 c6 10.Nc3 Qb6 (10...Qd6 11.b5=) 11.Qb1 Bf5 12.d3 (12.Nd4!?+=) 12...Nbd7= 13.Na4 Qc7 14.Nd4 Bg4 (14...Ra8 15.Nf5 gf5 16.Bf6 Bf6 17.Nc5=+) 15.h3 (15.f3!? Ra8 16.fg4 Ra4 17.g5=) 15...Be2=+ 16.Ne2 e5 17.c4 dc4 18.dc4 Re8 19.Rd1 b5 20.cb5 cb5 21.Nac3 Qb7 (21...Qc4 22.Qd3=) 22.Qd3 Rb8 23.Nd5 Nd5 24.Qd5 Qd5 25.Rd5 Rb7 26.Nc3 Bf8 (26...e4 27.f3=) 27.Nb5+= Bb4 28.Be5 Ne5 29.Re5 Kf8 30.g3 f6 31.Rd5 Kf7 32.Kg2 Ke6 33.e4 f5 (better 33...Ke7!?+/-) 34.Nd4+- Kf6 35.ef5 gf5 (35...Bc3 36.Nb5 Bb2 37.fg6 hg6 38.f4+-) 36.Rf5 Kg6 37.Rb5 (37.Rb5 Rb5 38.Nb5+-) 1-0. allyouneedisluft (2525) - PetarBosnjak (2515), Rated Bullet game, lichess.org, 2017. (=1.a3 d5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7)

6.Nf3 c6 7.d3 Nbd7 (7...a5 8.0-0=) 8.0-0 Qc7 9.Nbd2 b6 (9...e5 10.c4=) 10.Rb1 (10.c4 a5+=) 10...Bb7 11.c4 e6 (11...Rfc8 12.Rc1+=) 12.Qc2+= Rac8 (12...a5 13.cd5 ed5 14.b5=) 13.d4 White prepares c5 (13.Rfc1 dc4 14.Nc4 Rfd8+=) 13...Rfe8 (13...dc4 14.Bc4 c5 15.bc5 bc5 16.Rfc1+=) 14.Rbc1 (14.Rfc1 Red8+=) 14...Qd6 (14...dc4 15.Qc4 Qb8 16.Rfd1+=) 15.Rfd1 Qe7 16.c5 b5 (16...Rb8 17.cb6 ab6 18.Bd3=) 17.a4+/– a6 18.Ra1 Ra8 19.Ra3 e5 (19...Reb8 20.Rda1+/–) 20.Ne5 (20.de5 Ng4+/–) 20...Ne5 21.de5 Nd7 22.f4 f6 23.e4 (23.ef6 Nf6 24.Bd4 Qe6+/–) 23...fe5 24.ed5 cd5 25.c6 (25.ab5 ef4 26.Bg7 Qe2=) 25...Rac8 26.ab5 ab5 27.Rc3 ef4 28.cd7 Qe2?? (better is 28...Bd4 29.Kh1 Qd7 30.Rc8 Rc8+-) 29.Rc8 (29.Rc8 Bc8 30.dc8Q (30.dc8B Bb2 31.Bb7 d4+/–; worse is 30.dc8N Bb2 31.Rf1 Bd4 32.Kh1 Be3–+) 30...Rc8 31.Qc8 Bf8 32.Rf1 Qe3 33.Kh1+-; 29.dc8N?! Bc3 30.Nd6 Re5+=; worse is 29.dc8Q Bc8 30.Rc8 Bb2 31.Re8 Qe8 32.Qb2 Qe3 33.Kh1 Qe2+-; 29.de8N Bc3 30.Qb1 Bd2 (30...Qe8?! 31.Bc3 Rc3 32.Nf3–+) 31.Nf6 Kf7–+; 29.de8B Bc3 30.Bb5 Qb5 31.Bc3 Qe2-/+) 1–0. Cirulis,Ilmars (1785) – Vollmer,Steve, FICGS, 2015.

6.h4 a5=+ 7.h5 ab4 8.ab4 Ra1 9.Ba1 Nc6 (9...Nh5 10.Bg7 Ng7 11.d4=+) 10.b5 Na5 11.Nh3 (11.hg6 fg6 12.Nf3 c6=) 11...c6 (11...Bh3 12.Bf6 Bg2 13.Bg7 Bh1 14.Bf8 Kf8 15.d4=+) 12.Nf4 cb5 (12...g5 13.h6 Bh8 14.Nh5=) 13.Bd3 (13.hg6 fg6 14.Bb5 Nc4=) 13...Nc4=+ 14.Qf3 (14.hg6 fg6 15.Be2 Qd6=+) 14...e5 15.Bc4 Increases the pressure on d5 (15.hg6 fg6 16.Bc4 dc4 17.Be5=+) 15...ef4 (better 15...e4!? 16.Qg3 dc4=+) 16.Bb5 (16.Bf6 Qf6 17.Bd5 Qb2+=) 16...fe3 17.fe3 (17.Qe3? Ng4 (17...Nh5?! 18.Bg7 Kg7 19.c3=+; 17...gh5?! 18.Qg5=) 18.Qa3 Re8 19.Be2 Ba1 20.Qa1 Qe7-+) 17...Qa5 (better 17...Nh5 18.Bg7 Ng7=) 18.Bf6+/- Qb5 19.Nc3 Qb2 20.h6?? (20.Bg7 Qa1 21.Kf2 Qh1 22.Bf8 Qh4 23.Qg3 Qg3 24.Kg3 Kf8 25.hg6 hg6 26.Nd5 b5+-) 20...Qc1 (20...Qa1 21.Kf2 Qh1 22.Bg7 Qh4 23.Kg1 Bg4=) 21.Nd1+/- Re8?? (better 21...Bg4 22.hg7 Bf3 23.gf8R Kf8 24.gf3 h5+/-) 22.Bg7 d4 (22...Qc2 23.Qd5 Qc7+-) 23.Bd4 f5 (23...Bf5+-) 24.Qd5 Be6 (24...Re6 25.Qd8 Kf7+-) 25.Qe5 Re7 26.Qh8 Kf7 27.Qf6 Ke8 28.Qf8 (28.Bc5 Qd2 29.Kd2 Rd7 30.Kc3 Rd6 31.Bd6 Kd7 32.Qe7 Kc6 33.Qc7 Kb5 34.Qb7 Ka5 35.Bc7 Ka4 36.Qb4) 28...Kd7 (better 28...Kf8 29.Bc5 Qc2-+) 29.Bc5+- Re8 30.Qd6 Kc8 31.Bb6 (31.Bb6 Qc2 32.Nc3 Qc1 33.Ke2 Bc4 34.Kf3 Re3 35.de3 Qe3 36.Ke3 f4 37.Kd4 f3 38.Qc7) 1-0. black_bishop_88 (2525) - markljubarov (2415), lichess.org, 2020. (=1.a3 Nf6 2.b4 d5 3.Bb2 g6 4.e3 Bg7)

4.a3 d6

5.Qc1 e5 6.c4 0-0 7.Nf3 Nc6 8.b5 Ne7 9.d4 e4 10.Nfd2 d5 11.Nc3 c6 12.a4 Be6 13.Be2 Ng4 14.h3 Nh6 15.bc6 bc6 16.Ba3 Re8 17.Be7 Qe7 18.c5 f5 19.Qa3 Rab8 20.Nb3 g5 21.Na5 Qd7 22.0-0 g4 23.hg4 Ng4 24.Bg4 fg4 25.Rfb1 Bh6 26.Rb8 Rb8 27.Ra2 g3 28.Rb2 gf2 29.Kf2 Qf7 30.Ke2 Bg4 31.Kd2 Qf2 32.Kc1 Be3 33.Kb1 Rb2 34.Qb2 Qb2 35.Kb2 Bd4 36.Nc6 Bc3 37.Kc3 Bd7 38.Ne5 Ba4 39.Kd4 Kf8 40.Kd5 e3 41.Nf3 Ke7 42.c6 Kd8 43.Kd6 Bd1 44.c7 Kc8 45.g4 Bf3 46.g5 e2 0–1. Adamkosh (1880) – mgoynuguzel (1900), lichess.org, 2020.

5.c4 Nbd7 6.f4 (6.Nf3 a5+=) 6...c5 (6...0-0 7.Nc3-/+) 7.g4 (7.Nf3 a5=) 7...0-0 8.Nc3 (8.g5 Nh5 9.Bg7 Kg7+=) 8...Ne4-/+ 9.g5 f5 (9...Bc3 10.dc3 Nb6 11.Nf3-/+) 10.Bg2 (10.Nge2 a5+=) 10...Nc3 11.dc3 (11.Bc3!? Bc3 12.dc3+=) 11...Nb6-/+ 12.bc5 (better is 12.Nf3!?-/+) 12...dc5–+ 13.Qe2 Na4 (13...Be6 14.Rd1 Qe8 15.Bb7 Nc4 16.Ba1–+ (16.Ba8?? Qa8 17.e4 fe4–+)) 14.Rc1 (14.Qc2 Nb2 15.Qb2 Be6-/+) 14...Qa5 (14...Be6 15.Nf3–+) 15.Ba1 (15.Nf3 Be6–+ (15...Bc3? 16.Bc3 Nc3 17.Qd2+-)) 15...Nc3 (better is 15...Rd8!? 16.Kf2 Bc3 17.Bc3 Nc3–+) 16.Qd2-/+ Rd8 17.Bd5 e6 18.Bc3 Bc3 19.Be6 Be6 20.Qc3 Qc3 21.Rc3 Rd6 (21...b5 22.cb5 Bd5 23.e4 Be4 24.Nf3-/+) 22.h4? (better is 22.Nf3+=) 22...Rad8–+ 23.Rh2 (better is 23.Rc1–+) 23...Rd1 24.Kf2 R8d2 25.Ne2 Ra1 26.Kf3 Raa2 27.Rf2 (27.Rc1–+) 27...Bd7 28.Rh2 Bc6 29.e4 Be4 (29...fe4!? 30.Ke3–+) 30.Ke3 Kf7 31.Rf2 (31.a4 Rd6 32.Kf2 Bd3–+) 31...Bc6 (31...Rac2 32.Rb3 b5 33.cb5–+) 32.a4 (32.Rd3 Rd3 33.Kd3 Be4 34.Ke3 Ra3 35.Kd2 Ra4–+) 32...Ba4 33.Rd3 (33.Rc1–+) 33...Rd3 34.Kd3 Ra3 (better is 34...Bd1 35.Rh2 Be2 36.Re2 Re2 37.Ke2 Ke8–+) 35.Nc3 a6 36.Ra2 (36.h5 b5 37.hg6 hg6 38.cb5 ab5–+) 36...Ra2 37.Na2 b5 (better is 37...Ke6!? 38.Nc3 Bc6 39.Kc2–+) 38.Nc3 Bb3 (better is 38...Ke6!?–+) 39.cb5 ab5 40.Nb5 c4 (better is 40...Ke6–+) 41.Kd4= Ke6 42.Na3 Attacks the isolani on c4 42...c3 43.Kc3 Kd5 44.Kb3 Ke4 45.Kc4 Kf4 46.Nb5 Kg4 47.Nd4 Kh4 48.Ne6 Kg4 49.Kd5 f4 50.Ke4 f3 51.Ke3 Kg3 52.Nc5 Kg2 (52...Kh4 53.Ne6 Kg3 54.Nc5=) 53.Ne4 Kh3?? (better is 53...f2 54.Nf2 Kg3 55.Ne4 Kg4+=) 54.Kf3 Kh4 (54...Kh2 55.Nf6 Kg1 56.Nh7 Kf1 57.Nf8 Ke1 58.Ng6 Kd1 59.Ne5 Kc2 60.g6 Kc3 61.g7 Kd4 62.Kf4 Kc3 63.g8Q Kb4 64.Qc4 Ka3 65.Kf5 Kb2 66.Nd3 Ka1 67.Qb4 Ka2 68.Qb2) 55.Kf4 Kh5 (55...Kh3 56.Nf6 Kg2 57.Nh7 Kf2 58.Nf8 Ke2 59.Ng6 Kd3 60.Ne5 Kd4 61.g6 Kc5 62.g7 Kb5 63.g8Q Ka4 64.Qa2 Kb5 65.Qc4 Kb6 66.Qc6 Ka5 67.Qc5 Ka6 68.Qb4 Ka7 69.Nd7 Ka6 70.Qb6) 56.Nf6 Kh4 57.Nh7 Kh5 (57...Kh3 58.Nf8 Kg2 59.Ng6 Kf2 60.Ne5 Ke2 61.g6 Kd2 62.g7 Kc3 63.g8Q Kb4 64.Qc4 Ka5 65.Qc5 Ka4 66.Qb6 Ka3 67.Nd3 Ka4 68.Qb4) 58.Nf8 Kh4 1–0. kewois (1735) – joseph1 (1735), gameknot.com, 2016. (=1.a3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6)

5.c4 e5 6.d4 Nc6 7.de5 Ne5 8.Be5 de5 9.Qd8 Kd8 10.Nd2 Ke7 11.Rc1 Rd8 12.Ngf3 e4 13.Nd4 Bf5 14.Be2 b6 15.0-0 c5 16.N4b3 cb4 17.ab4 Rd6 18.c5 bc5 19.Nc4 Rd7 20.Nc5 Rc7 21.Na6 Rc6 22.b5 Rcc8 23.Ne5 Rc1 24.Rc1 Rd8 25.Nc6 Ke8 26.Nd8 Kd8 27.Rc7 Bd7 28.Ra7 Bb5 29.Bb5 1–0. Adamkosh (1930) – Reorks (1675), lichess.org, 2020.

5.d4 Nbd7 6.c4 0-0 7.c5 Re8 (7...d5 8.Nf3=) 8.Nd2 (8.Nf3 dc5 9.bc5 e5=) 8...e5 (8...a5 9.Ngf3=) 9.Qc2 (9.cd6 cd6 10.Rc1 a5=) 9...e4 (better 9...ed4 10.Bd4 dc5 11.bc5 Ne5=+) 10.f3 (10.Rc1 dc5 11.bc5 a6=) 10...Nf8 (10...ef3 11.Ngf3 Re3 12.Be2-/+) 11.0-0-0 (11.fe4 dc5 12.dc5 Qe7=) 11...h5 (better 11...ef3 12.e4 f2-/+) 12.fe4= Ne4? (12...d5 13.Bb5 c6=+) 13.Ne4+- Nh7 (13...d5 14.Nc3 Re3 15.Nf3+-) 14.Bd3 Bf5 (14...d5 15.Nd2+-) 15.Ne2 (15.Nf2 Bd3 16.Rd3 d5+-) 15...Be4 16.Be4 Ng5? (16...d5 17.Bd3+-) 17.Nc3 (17.Bb7 Rb8 18.Bd5 Re3+-) 17...d5?? (17...Ne4 18.Ne4 d5 19.Nc3+-) 18.Bd3 (18.Bd5 Re3 19.Bc4 Kf8+-) 18...Ne4? (18...Re3 19.Rhf1 Re7+-) 19.Be4 (19.Ne4!? de4 20.Be4 Qg5+-) 19...de4 20.Rdg1 (20.Rhf1 f5+-) 20...Qg5 21.Ne4 (better 21.Kb1!? Rad8+-) 21...Qe3 Opening the e–file gets Black a lot of play 22.Kb1?? (better 22.Nd2+-) 22...Qe4 23.Qe4 Re4 24.d5 Bb2 (24...a5 25.Bg7 Kg7 26.b5=+) 25.Kb2 Re2 26.Kc3 Rae8 27.d6 (27.Rd1!?=+) 27...R8e3 28.Kc4 Re4 (28...cd6!? 29.cd6 Rc2 30.Kb5 Rc6-/+) 29.Kb5=+ a6 (29...cd6!? 30.cd6 Re5 31.Ka4 Rd2=+) 30.Ka5= cd6 31.cd6 Re5 (better 31...Rd4!? 32.Rd1 Red2 33.Rd2 Rd2+=) 32.Kb6+- Rb5 33.Ka7 (33.Kc7 Rc2 34.Kb8 Rd5+-) 33...Rd2 (33...Rd5 34.Rd1 Red2 35.Rd2 Rd2 36.Kb7 Rd6 37.a4+-) 34.Rd1 Rbd5 35.Rd2 Rd2 36.b5?? (better 36.Kb7 Rd6 37.a4+-) 36...ab5-/+ (worse 36...Rd6 37.b6 Rd7 38.Rc1+-) 37.Re1 Rd6 38.Re8 (better 38.Kb7!? Rd2 39.Rg1-/+) 38...Kg7–+ 39.Kb7 (39.Re2 Ra6 40.Kb7 Ra3–+) 39...Rd2 40.Kb6 Rg2 41.Kb5 (41.h4 Rb2–+) 41...Rh2 42.a4 Ra2 43.Ra8 (43.a5 f5–+) 43...h4 44.a5 h3 45.a6 (45.Re8–+) 45...h2 46.Kb6 White prepares a7 46...h1Q 47.Rg8 Kg8 48.a7 Ra7! 49.Ka7 Kf8 (49...Kf8 50.Kb6 g5–+) 0–1. pat_cash87 – eikes, lichess.org, 2020.

5.Be2 0-0 6.h4 c5 7.bc5 dc5 8.h5 Nc6 (8...Nh5 9.Bg7 Ng7 10.Nc3=+) 9.hg6= fg6 10.Nf3 a6 11.Nc3 b5 12.a4 b4 13.Bc4 e6 14.Ne2 Na5 15.Ba2 Nd5 (15...c4 16.Rh4=) 16.Bg7+= Kg7 17.Ng3 Qf6 (17...c4 18.Rb1=) 18.Ne4+= Qe7 19.Qc1 Nf6 20.Qb2 h6 (20...Nc6 21.Nfg5 h6 22.Nf6 Qf6 23.Qf6 Rf6 24.Ne4+/-) 21.d3 (21.Qe5 Nc6 22.Qc5 Ne4 23.Qc6 Bb7 24.Qe6 Qe6 25.Be6 Rad8+/-) 21...Rb8 (21...Bb7!?=) 22.g4 e5 23.Ne5 b3 (better 23...Ne4!? 24.de4 Qf6+/-) 24.cb3 Bb7 25.g5 hg5 26.Rg1 Be4 27.de4 c4 (27...g4!? 28.Ng4 Qe4+-) 28.Rg5 cb3? (28...Nb3 29.Rd1 Na5+-) 29.Rg6 (worse 29.Ng6 Qb4 30.Kf1 Rf7 31.Ne5 Kf8 32.Nf7 Kf7+-) 29...Kh7 (29...Kh8 30.Ke2 Qh7 (30...ba2 31.Rh1 Qh7 32.Nf7 Rf7 33.Qb8 Rf8 34.Qf8 Ng8 35.Rg8) 31.Rf6 Rf6+-) 30.Bb1 (better 30.Ke2 Qe5 31.Qe5 Kg6 32.Rg1 Kf7 33.Qc7 Nd7 34.Qd7 Kf6 35.Qf5 Ke7 36.Rg7 Rf7 37.Qf7 Kd6 38.Qd5) 30...Rfe8? (30...Qb4 31.Ke2 Nc4+-) 31.Rg1?? (better 31.Rg5 Rg8 32.Rg8 Kg8 33.Bd3+-) 31...Qe5-+ 32.Qe5 Re5 33.Bd3 b2 34.Rb1 Rb3 (worse 34...Ne4 35.Rg4 Kh8 36.Be4+=; worse 34...Re4 35.f3 Rb3 36.Be4 Ne4 37.fe4+/-) 35.Ke2 Ne4?? (better 35...Kh6-/+) 36.Rg4 Rd3?? (36...Rh5 37.Be4 Kh8+-) 37.Rh1 (37.Rh1 Rh5 38.Rh5) 1-0. black_bishop_88 (2635) - richardruiz (2175), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6)

5.Nf3 b6 6.c4 Bb7 7.Be2 Nbd7 8.d4 e6 9.Nbd2 Qe7 10.0-0 h5 11.Qc2 h4 12.h3 0-0-0 13.c5 dc5 14.bc5 Kb8?? 15.c6+- Ba8 16.cd7 Nd7 17.Rfc1 f5 18.Qc7 1–0. Fournier,Frederic (1865) – XXXGANDALFXXX(C) (1925), Active (2/0), 2005.

5.Nf3 Nc6 6.d4 Bg4 7.c4 e5 8.d5 Ne7 9.Be2 0-0 10.Nbd2 Nd7 11.0-0 f5 (11...Nb6 12.e4+=) 12.h3 Bf3 13.Bf3 (13.gf3?! f4 14.Ne4 Nf5+=) 13...e4 14.Bg7 Kg7 15.Be2 Ng8 16.Qc2 Ndf6 17.Qc3 Qe7 18.Rae1 Rae8 19.f3 ef3 20.Bf3 Kf7 21.e4 fe4 22.Ne4 Qe5 23.Qe5 Re5+= 24.Nf6 Nf6 25.Re5 de5 26.Re1 Re8 27.Be4 Nd7 28.Kf2 Kg7 29.g4 Rf8 30.Kg2 Rf4 31.Bd3 Kf6 32.Re4 g5 33.Kg3 h6 34.c5= Ke7 35.Rf4 ef4+= 36.Kf3 Ne5 37.Ke4 Nd3 38.Kd3 Kf6 39.Ke4 b6 40.a4 a6?? 41.cb6 cb6+= 42.h4 gh4 43.Kf4 h3?? 44.Kg3= Ke5 45.Kh3 Kd5 46.Kh4 Kc4?? 47.Kh5+- Kb4 48.Kh6 Ka4 49.g5 b5 50.g6 b4 51.g7 b3 52.g8Q Ka3 53.Qc4 a5 54.Qc1 b2 55.Qb1 Kb3 56.Kg5 a4 57.Kf4 a3 58.Qd3 Ka2 59.Qc4 Ka1 60.Qf1 b1Q–+ (60...b1Q 61.Qc4 Qe1 62.Qd4 Kb1 63.Qb6 Ka2–+) 0–1. Fournier,Frederic (1970) – juanitoo (2070), Echecs21 (2/0), 2003.

5.Nf3 e5 6.c4 Bg4 7.Be2 e4 8.Nd4 Bd7 9.Nc3 0-0 10.d3 ed3 11.Bd3 c5 12.Nf3 Bg4 13.Be2 cb4 14.ab4 Nc6 15.b5 Nb4 16.0-0 Bf5 17.Nd4 Bc8? 18.Qb3 a5+/– 19.ba6 Na6 20.Ncb5 Nc5 21.Qc2 Ra1 22.Ra1 Bg4 23.Bg4 Ng4 24.h3 Nf6 25.Nf3 Qe7 26.Nbd4 Ncd7 27.Ne2 Ne5? 28.Ne5+- de5 29.Ng3?? Nd7 30.Ne4 Nc5 31.Nc5 Qc5 32.Rc1 Rd8 33.Qb3 b6 34.Qb5 Qb5 35.cb5 Rd2?? 36.Ba3 Rd8 37.Rc6+/– Rb8 38.Bd6 Rd8 39.Bc7 Rd1 40.Kh2 f5 41.Rb6 Rd2? 42.f3 e4 43.Rb8 Kf7 44.b6?? Rb2?? 45.Kg3 g5 46.b7 h5 47.fe4 h4? 48.Kh2 fe4+/– 49.Bd6 Ke6 50.Bc7 Kd7 51.Ba5?? Be5–+ 52.Kg1 Bb8 53.Bc3 Rb7 54.Bf6 Rb5 55.Bd4 Bg3 56.Kf1 Rb1 57.Ke2 Rg1 (57...Rg1–+) 0–1. Fournier,Frederic – carloco (1715), Active, 2007.

5.Nf3 e6 6.c4 Nbd7 7.d4 c5 8.Nbd2 0-0 9.Bd3 b6 10.0-0 Bb7 11.Re1 d5 12.Rb1 Qe7 13.Bc3 (13.bc5 bc5 14.cd5 ed5=) 13...Bc6 (13...Ne4 14.Bb2=) 14.b5 (14.dc5 e5+=) 14...Bb7 15.a4 Ne4 16.Bb2 Rac8 17.Ba3? (17.Qe2 h6=) 17...f5 (17...Nc3 18.Qb3 Nb1 19.Bb1-/+) 18.Bc2? (better is 18.Qc2= and White can hope to survive) 18...Nc3–+ 19.Qc1 Nb1 20.Qb1 Rc7 (20...dc4 21.Nc4 Bf3 22.gf3 Qg5 23.Kh1–+) 21.Bd3 Kh8 22.Nb3? Rfc8 23.a5? Qd8?? 24.g3?? Kg8 25.h4?? h6 26.Nh2? Kf7?? 27.Nd2? cd4–+ 28.ed4? dc4 29.Qa2 Bd5 30.Bc2 c3 31.Nb3 Bd4! 32.Ng4 Nc5 33.Ne3 Nb3 34.Nd5 ed5 35.Bb3 Rc4! 36.Qe2 R4c7 37.Qe6?? Kg7–+ 38.Bc2 Bc5 39.Qe5?? Kf7 40.Qe6= Kg7 41.h5?? Qf6 42.Bc1 Re7 43.Bh6+- Kh6 44.Qf6 Re1 45.Kg2 Rg8 46.hg6 Rf8 47.Qc3 Re7 48.Qd2 Kg6 49.Qd5?? Kg5?? 50.Qd2 Kf6?? 51.Qh6 Kf7 52.Bb3 Ke8 53.Qg6 Kd8 54.Qc6 Rc7 55.Qd5 Rd7+/– 56.Qc6 Rc7 57.Qa8 Ke7 58.Qd5+- Rd7 59.Qe5 Kd8 60.Be6 Rd2 61.Kh3N Re8 +-. Casanova,Gabriel – Gonzalez Custodio,Rafael (2215), Pena San Jose op, 1997.

5.Bf6 Bf6 6.d4 Bg7 7.Nf3 0-0 8.Be2 c6 9.0-0 Nd7 10.Nbd2 Re8 11.c4 e5 12.Qc2 (better 12.Rb1=) 12...e4?? (better 12...ed4 13.e4 d3 14.Bd3 Ba1 15.Ra1 a5-/+) 13.Ne4+- d5 (13...Nf6 14.Ng3+-) 14.Ned2 (14.Nd6 Re6 15.c5 Bf8+-) 14...Nf6 15.cd5 Nd5 16.Rac1 Be6 17.Bc4 Nc7 (17...Qe7 18.Rfe1+-) 18.Be6 Ne6 19.Ne4 Rc8 20.Nc5 Qe7 21.Ne6 Qe6 22.Rfd1 Rcd8 23.Qc4 Qf5 24.Qf1 Qe6 25.Rc5 Qe4 26.Qd3 Qe7 27.Ra5 a6 28.Qf1 Qc7 29.Rc5 Qb6 30.Rc3 Qc7 31.Rdc1 Qd6 32.h3 Qe7 33.Qe2 (33.Qc4 Rd5+-) 33...Qe4 (better 33...Bd4!? 34.Nd4 Rd4=) 34.Kf1 Qe7 35.a4 (35.Qd3+-) 35...Qd6? (better 35...Bd4!? 36.Nd4 Rd4+=) 36.b5+- ab5 37.ab5 Rc8 (37...cb5!? 38.Qb5 Re7+-) 38.bc6 bc6 39.Qa6 Red8 40.Rc6 Qb4?? (40...Rc6 41.Qc6 Qf8+-) 41.Rc8 Rc8 42.Qc8 Bf8 43.Qc4 (43.Ne5 Qa3+-) 43...Qb2 (43...Qe7 44.Ne5 Qa7 45.Kg1+-) 44.Ne5 h6 (44...Qb7+-) 45.Qf7 Kh8 46.Ng6 1–0. FeegLood (2855) – cheapthought, lichess.org, 2016.

5.g4 e5 6.g5=+ Ng4 (better 6...Nh5=+) 7.h3+/- Nf2 8.Kf2 Qg5 9.Nf3 Qh5 10.Bg2 0-0 11.Qe2 (11.Nh2 Qh4 12.Ke2 Qh5 13.Bf3 Qh3+=) 11...Nc6 (11...e4!? 12.Bg7 ef3 13.Qf3 Qf3 (worse 13...Kg7 14.Qh5 gh5 15.Rg1+=) 14.Kf3 Kg7=+) 12.d3 (12.b5 Na5+/-) 12...f5 (12...e4 13.Nd4 Qh4 14.Kf1 Nd4 15.ed4 ed3 16.Qd3=) 13.Nbd2 (13.b5 Ne7+/-) 13...Be6 (13...f4 14.e4+/-) 14.e4 (14.Ke1 a6+/-) 14...fe4 (14...a5 15.b5 fe4 16.Qe4+=) 15.de4 (15.Ne4 Nd4 16.Bd4 ed4 17.Nd6 Bd5+/-) 15...Rae8 (15...Nd4!? 16.Bd4 ed4=) 16.Ke1+= Nd4 17.Bd4 ed4 18.Nd4?? (better 18.Qd3=) 18...Bd4 (better 18...Qh4!? 19.Kd1 Bd4-+) 19.Qh5-/+ gh5 20.Nf3?? (better 20.Rd1-/+) 20...Ba1-+ 21.e5 (21.Kd2 Bb2-+) 21...Bc3 22.Kf2 Bd5 (22...de5 23.Ke3-+) 23.Rd1 Be4 (better 23...Re5 24.Rd3 Bb2 25.Kg1 Bf3 26.Bf3-+) 24.Kg1 (24.ed6 cd6 25.Rd6 h4-+) 24...d5 (better 24...Bf3!? 25.Bf3 Rf3 26.ed6 cd6 27.Rd6-+) 25.Nd2 (25.Nh4 Re5 26.b5 Rg5-+) 25...Bd2 (better 25...Bg2!? 26.Kg2 Re5 27.Kg1-+) 26.Rd2 Bg2 27.Rg2 Kh8 28.h4 (28.Re2 Re6-+) 28...Re5 29.c4 (29.Rf2 Re1 30.Kg2 Rf2 31.Kf2 Rc1-+) 29...Rfe8 (better 29...dc4 30.Rd2-+) 30.cd5 Rd5 31.Rf2 (31.Rc2 c6-+) 31...Rde5 (31...Rd1 32.Kg2-+) 32.Rg2 (32.Rf3 Re4-+) 32...c6 (32...Re1 33.Kh2-+) 33.Kh2 (33.Rd2 Re3 34.Rd7 Ra3-+) 33...R5e7 34.Rg7 (34.Rf2-+) 34...Rg7 35.Kh3 Re1 (35...Re2 36.a4 Reg2 37.a5 R7g3) 36.Kh2 Re4 (36...Re2 37.Kh1 Rd7 38.Kg1 Rd1) 37.Kh3 h6 (37...Re2 38.a4 Reg2 39.a5 R7g3) 38.Kh2 (38.a4 Re2 39.a5 Reg2 40.a6 R7g3) 38...Kg8 (38...Rh4) 39.Kh3 Kf7 (39...Re2 40.b5 Reg2 41.bc6 R7g3) 40.Kh2 (40.b5 Re2 41.a4 Reg2 42.bc6 R7g3) 40…Rh4 0-1. EvgeniyR - KLBennett (2265), Hourly HyperBullet Arena, lichess.org, 2018.

5.h4 0-0 6.h5 Nh5 7.Bg7 Ng7 8.Nc3 e5 9.a4 Nc6 10.b5 Ne7 11.a5 f5 12.Ra4 Be6 13.Qa1 a6 14.Nh3 (14.ba6 ba6 15.Nf3 c5=+) 14...ab5-/+ 15.Bb5 Nc6 (better 15...Nd5!?-/+) 16.a6= Bd7 (16...Bc8 17.Qa2 Kh8 18.f4 Qh4 19.Nf2=) 17.ab7+- Rb8 18.Qa2 Kh8 19.Ba6 (19.Qc4 Qe8 20.Ng5 h5+=) 19...Qe7 20.Nd5 Qf7?? (better 20...Qd8+=) 21.Ng5+- (21.Nc7?! Qa2 22.Ra2 Nd8+-) 21...Qg8 22.Nh7 Qh7 23.Rh7 Kh7 24.Rh4 Nh5 25.Be2 (better 25.Nc7!? Nd8+-) 25...Kg7 (25...Rb7 26.Qa6 Rb1 27.Bd1+-) 26.Bh5 gh5 27.Rh5 (better 27.Qa6!? Nd8 28.Nc7 Nb7+-) 27...Rb7 28.Rg5 Kh6 29.Rg3 f4 30.ef4 ef4 31.Rb3 Re8 (31...Ra7 32.Ra3 Rb7 33.Ra4+-) 32.Kf1 (32.Kd1 Rb3 33.cb3 Nd4 34.Nc7 f3+-) 32...Ra7 (32...Rb3 33.Qb3 Be6 34.Qb5 Bd5 35.Qd5+-) 33.Qb2 Ne5 34.Nf4 Kg5 (34...Rea8 35.d4 Ra1 36.Ke2 Bg4 37.f3+-) 35.Rg3 Kf4 (35...Kf5 36.Nh5 Re7 37.c4+-) 36.Qd4 Kf5 37.Qa7 Bc6 (37...c5 38.d4 cd4 39.Qd4+-) 38.Qd4 (better 38.Qc7 Bb5 39.Kg1 Ra8+-) 38...Ra8 39.Kg1 Ra1 (39...Ra4 40.Qe3 Ng4 41.Qd3 Ke6 42.Rg4 Rg4+-) 40.Qa1 Ng4 1–0. FeegLood (2600) – TM_Tryhard_Gayrail (2050), lichess.org, 2015.

5.h4 e5 6.Be2 h5 7.c4 a5 8.d3 Nc6 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.b5 Ne7 10.Nh3 Bg4 11.Nc3 Nf5 12.Ng5 Be2 13.Qe2 Nd7 14.Nce4 Qe7 15.a4 f6 (15...0-0-0!?=) 16.Nf3+= b6 17.Nc3 Nc5 18.Nd5 Qd7 19.d4 Ne6 20.Qd3 (20.Rd1 0-0-0+=) 20...0-0-0 21.0-0 g5?? (better 21...Rhe8+=) 22.Qf5+- g4 (22...gh4 23.Nh4 (23.Nf6?! Bf6 24.Qf6 h3+-) 23...Rh6 24.Rad1+-) 23.Nd2 Kb8 24.Ne4 (24.Nf6 Bf6 25.Qf6 Qe8+-) 24...Rdf8 (24...Nd4 25.Qd7 Ne2 26.Kh2 Rd7 27.Rae1+-) 25.g3 (25.Nef6 Qf7 26.de5 de5+-) 25...Qf7 (25...Nc5 26.Qd7 Nd7 27.Rad1+-) 26.Rac1 White intends c5 26...Rh6 27.c5 Bh8 (27...dc5 28.dc5 Rd8+-) 28.cb6 cb6 (28...Ng7 29.bc7 Qc7 30.Nc7 Nf5 31.Na6 Ka8+-) 29.Nd6 Qd7 30.Ba3 (better 30.Rc6 Rd8 31.Rb6 Ka7 32.Qe6 Rh7 (32...Qe6?? 33.Rb7 Ka8 34.Nc7) 33.Rb7 Qb7 34.Nb7 Rb7+-) 30...Rh7 (30...Rd8 31.Rc6 ed4 32.Rb6 Ka7 33.Qe6+-) 31.Qb1 (better 31.Nb6 Qe7 32.Ndc8 Qc7 33.Qe6 Rd8+-) 31...Ka7 (31...Rd8 32.Nb6 Qa7 33.d5+-) 32.Rc6 ed4 (32...Qg7 33.Nb6 Kb8 34.Ndc4+-) 33.Rb6 (33.Nb6 Qc6 34.bc6 de3 35.Qb5 ef2 36.Kf2 Nf4 37.Qa5 Kb8 38.Nd7 Rd7 39.Rb1 Rb7 40.Rb7) 33...de3 34.Ra6 (34.Qe1!? Ka8 35.Qe3 Ng5 36.hg5 f5+-) 34...Kb8 35.Qe4 f5 36.Rb6 (36.Ra8 Ka8 37.Nc7 Kb8 38.Qb7) 36...Ka7 37.Ra6 Kb8 38.Ra8! Ka8 (38...Ka8 39.Nc7 Mate attack) 39.Nc7 Kb8 40.Qb7 (40.Qe6?! ef2 41.Rf2 Qc7 42.Nf5 Rd8+/-) 1-0. black_bishop_88 (2625) - Inferna1 (2605), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6)

5.c4 0-0

6.d4 c5!?=.

6.d4 e5 7.de5 de5 (7...Ng4!?=) 8.Qd8+= Re8?? (better is 8...Rd8 9.Be5 c5+=) 9.Qe8! (9.Qe8 Ne8 10.Nf3+-) 1–0. Fournier,Frederic – Fc energie, Partie evaluee, 1m + 0s, 2008.

6.d4 Ne8 7.Nf3+= e5 (7...c5 8.Bd3+= (8.dc5? Bb2 9.Ra2 Bg7–+)) 8.de5+/– Nc6 9.Nbd2 (9.b5!? Nb8 10.c5+/–) 9...Ne5= (worse is 9...de5 10.b5 Ne7 11.Be5 Be5 12.Ne5+/–) 10.Ne5 de5 11.Nf3 Qe7 12.h3 Be6 (12...a5 13.c5=) 13.Be2 (13.Be5!? Rd8 14.Bd4+=) 13...e4= 14.Nd4 Rd8 15.0-0 Bc8 16.Qb3 Nd6 17.c5 Nf5 18.Nf5 Bf5 19.Bg7 Kg7 20.Bc4 Qg5 21.Kh2 h5 22.Rfd1 h4 23.Rd8 Rd8 24.Rd1 Rd1 25.Qd1 Qf6 26.Qd4 Qd4 27.ed4 c6 28.d5+/– Kf6 29.dc6 bc6+= 30.Kg1 Ke5 31.Bf7+/– g5 32.Kf1 Kd4 33.Ke2 Bc8 34.Be8 Ba6 35.Kd2 Bb5 36.g3 hg3 37.fg3+/– e3 38.Ke1 Ke4 39.h4 g4? 40.h5+- Kf3 41.h6 Bd3 42.Bc6 Kg3 43.b5 Kh2 44.b6 ab6 45.cb6 g3 46.b7 g2 47.Bg2! Kg2 48.b8Q (48.b8Q+-) 1–0. efektar (1980) – dors (1815), kurnik, 2011.

6.d4 Bf5 7.Bd3 Qd7 8.Nc3 Bd3 9.Qd3 c6 10.Nge2 e6 11.Rd1 Qc7 12.0-0 Ng4 13.h3 Nh6 14.Rd2 Nd7 15.Rc1 Nf5 16.e4 Ne7 17.d5 Bh6?? 18.f4+/– e5 19.Rf1 ef4+= 20.dc6 f3 21.Rf3 Bd2 22.cb7 Ne5?? 23.ba8N+- Nd3 24.Nc7 Rc8?? 25.Rd3+- Bc3 26.Bc3 Rc7 27.Rd6 Rc4 28.Rd8 1–0. mgriffin (1635) – bluerook, net–chess.com, 2001.

6.Nf3 c5=.

6.Nf3 e5 7.d3 Nbd7 8.Be2 Ne8 9.Nbd2 f5 10.0-0 Nef6 11.Rc1 b6 12.Qb3 Kh8 13.a4 Qe7 14.Qc2 a5 15.b5 f4 16.ef4 ef4 17.Rfe1 h6?? 18.Bf1 Qf7+/– 19.Ne4 Ne4+= 20.Bg7 Qg7 21.Re4 Nc5 22.Ree1 Bg4 23.Nd4?? Qd4–+ 0–1. Fournier,Frederic – Guest1735652, Partie amicale, 3m + 2s, 2008.

6.g3 c6 7.Bg2 Nbd7 8.Nf3 e5 9.d3 Qe7 10.Nbd2 Nh5 11.Qc2 f5 12.0-0 Kh8 13.a4 Nhf6 14.b5 c5 15.a5 Rb8 16.Nb1 Re8 17.Nc3 Qf7 18.Nd2 Nf8 19.f4 Ng4 20.Nd5 Be6 21.h3 (21.Rae1!?+/–) 21...Bd5= 22.Bd5 (22.cd5? Ne3 23.Qb3 Nf1 24.Rf1 ef4–+; 22.hg4?! Bg2 23.Kg2 ef4 24.ef4 Re2 25.Rf2 Rf2 26.Kf2 fg4 27.Bg7 Qg7+=) 22...Ne3 23.Bf7 Nc2 24.Be8 Na1 25.Bf7 (better is 25.Bg6!? Ng6 26.Ba1 (worse is 26.Ra1 ef4 27.Bg7 Kg7-/+) 26...ef4 27.Bg7 Kg7 28.gf4+=) 25...Nc2-/+ 26.fe5 de5 27.Nb3 b6 28.a6 (28.Rd1!?-/+) 28...e4 29.Bg7 Kg7 30.Bd5 e3 31.Rc1? (better is 31.Na1 Nd4 32.Bc6–+) 31...e2 32.Kf2 Re8 33.Re1 Ne1 34.Ke1 Ne6 (34...Re3!? 35.h4–+) 35.Bf3 Rd8 (35...f4!? 36.gf4 Nf4 37.Be4–+) 36.Be2 Nd4 37.Nd4 Rd4 38.Kf2 Kf6 39.Ke3 Ke5 40.Kf3 h6 41.Bf1 g5 42.Kf2 h5 43.Ke2 h4 44.gh4 Rh4 0–1. Emelianov,Mikhail (2290) – Ozgibcev,Anatoly (2415), RUS–chT (club), 1999. (=1.a3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0)

5.d4 0-0

6.c4 c6 7.Nc3 Nbd7 8.g3 e5 9.Bg2 ed4 10.ed4 Re8 11.Nge2 Nb6 12.c5 dc5 13.dc5 Nc4 14.0-0?? Nb2–+ 15.Qb3 Nd3 16.Rad1 Be6 17.Qc2 Bc4 18.Be4?? Ne4 19.Ne4 Re4 20.f3 Re8 21.Qc4 Re2 22.Rd3 Qe8 23.Rfd1 Re1 24.Kg2 Rd1 25.Rd1 Rd8 26.Rc1 Qe3 27.a4 Rd2 28.Kh3 Qh6 29.Kg4 Qh5 30.Kf4 Bh6 31.Ke4 Rf2 32.Qd4 Qf5 0–1. mihai740609 – fagus54, kurnik, 2011.

6.c4 Nbd7 7.Nf3 c5 8.bc5 dc5 9.d5 Qa5 10.Nbd2 Ne4 11.Be2?? Bb2–+ 12.Rb1 Bg7 13.0-0? Nd2 14.Nd2 Qa3 15.Nf3 Qa5 16.h4 Nf6 17.Ng5 Bf5 18.Rb7 Qd8 19.e4 Ne4 20.Ne4 Be4 21.h5 a5 22.hg6 Bg6 23.g3 a4 24.Kg2 a3 0–1. Fournier,Frederic – jasper, ICC, 2005.

6.c4 Bg4 7.Be2 Be2 8.Qe2 Nc6 9.Nf3 e5 10.de5 Ne5 11.Ne5 de5 12.Nd2 Ne4?? (better is 12...Qe7+=) 13.Ne4+- f5 14.Nc3 e4 15.0-0 (15.Rd1 Qh4+-) 15...Qf6 (15...Qd3 16.Rfe1+-) 16.Rab1 Qb6 17.Nd5 Qd6 18.Bg7 Kg7 19.Qb2 Kg8 20.Rfd1 c6 (20...Rf7+-) 21.Nf6 (better is 21.Nb6! Qd1 22.Rd1 ab6 23.b5 cb5 24.Rd7+-) 21...Qf6+= 22.Qf6 Rf6 23.Rd7 Rf7 24.Rf7 Kf7 25.Rd1 Ke7 26.c5 Rd8 27.Rd8 Kd8 28.Kf1 Kc7 29.Ke2 b6 30.cb6 Kb6 31.Kd2 Kb5 32.Kc3 c5 33.bc5 Kc5 34.a4 a5 35.h4 h5 36.g3 Kc6?? 37.Kd4?? Kd6= 38.Kc4 Kc6 39.Kd4 Kd6 40.Kc4 Kc6 41.Kd4 ½–½. Fournier,Frederic – Guest4386109, Partie amicale, 1m + 0s, 2008.

6.Nf3 c6 7.Be2 a6 8.0-0 Bg4 9.c4 Nbd7 10.Nbd2 e5 11.h3 Bf3 12.Nf3 (worse is 12.gf3 Qe7=) 12...Qe7 13.de5 de5 14.Qc2 e4 15.Nd4 Nh5? (better is 15...c5 16.Nb3 Rad8=) 16.Bh5+/– gh5?? (16...Bd4 17.ed4 gh5+/–) 17.Qe2 (better is 17.Nf5 Qe6 18.Ng7+- (18.Bg7?! Qf5 19.Bf8 Rf8+-)) 17...Qg5+= 18.Rab1 Bd4 19.Bd4 f5 20.Rbd1 Rae8 21.c5 Rf7 22.Qc4 f4 23.ef4 Qf4 24.Be3 Qf5 25.Qd4 Ne5 26.Kh2 Nd3 27.g3 Rg7 28.Qc4 Qf7 29.Bf4?? Qc4–+ (29...Qc4 30.Be3 Qc3–+) 0–1. mihai740609 – benekj23 (1645), kurnik, 2011.

6.Nf3 Bg4 7.Be2 c6 8.0-0 Nbd7 9.h3 Bf3 10.Bf3 e5 11.c4 e4 12.Be2 d5 13.Nd2 h6 14.Rc1 Rc8 15.Qb3 Nb6 16.b5 c5 17.a4 cd4 18.ed4 dc4 19.Nc4 Nc4 20.Bc4 b6? 21.Rfe1 Qd7 22.d5 Rfe8 23.Rcd1 Nh7 24.Bg7 Kg7 25.Qc3 f6 26.Qd4 Ng5 27.h4 Nf7 28.Re4 Re4+= 29.Qe4 Ne5?? 30.Bd3 Rc3 31.f4 Nd3 32.Rd3 Rc1 33.Kh2 Qg4 34.d6 Qh4+/– 35.Rh3 Qe1 36.Qe7?? Qe7=+ 37.de7 Kf7 38.Rh6+/– Re1 39.Rh7 Ke8 40.Rg7 Re7 41.Rg6 Kf7 42.Rh6 Re4? 43.Rh7+- Kg6 44.Ra7 Rf4 45.Ra6 Rb4 46.Rb6 Ra4 47.g3 Rb4 48.Kh3 Kf5 49.Rb8 Rb3 50.b6 Rb4 51.b7 Rb3 52.Kh4 Rb4 53.Kh5 Ke6?? 54.Re8 Kf7 55.b8Q Rb8 56.Rb8 1–0. mihai740609 – fagus54, kurnik, 2011.

6.Nf3 Bg4 7.Be2 Nbd7 8.Kf1 c6 9.h3 Bf3 10.Bf3 e5 11.g3 ed4 12.Bd4 c5 13.Bb7?? Rb8 14.bc5 dc5 15.Bg2 cd4 16.Qd4?? Nh5 17.Qd2 Ba1 (17...Ba1 18.Ke2 Qc7–+) 0–1. mihai740609 – fagus54, kurnik, 2011.

5.d4 c6

6.Nf3 0-0 7.c4 Qc7 8.Qc2 Bg4 9.Nbd2 a6 10.Be2 Nbd7 11.c5 d5 12.0-0 Bf3 (12...Bf5!? 13.Qc3 h6=) 13.Nf3+= Rae8 14.a4 e5 15.de5 Ng4 16.Nd2 Nge5? (16...Nde5 17.g3 f5+=) 17.Be5?? (better is 17.f4 Nc4 18.Nc4 dc4 19.Bg7 Kg7 20.Qc3 f6 21.a5+-) 17...Ne5 (worse is 17...Re5 18.Nf3 Ree8 19.Rab1=) 18.g3 Qd7 19.Rab1 Qh3 20.Nf3 Nf3 21.Bf3 d4 22.Bg2 Qg4 23.ed4 Bd4 24.Rbd1 Bg7 25.b5 ab5 26.ab5 Qb4 27.bc6+/– bc6 28.Bc6 Rc8 29.Bg2 Rc5= 30.Qd2 Rh5?? 31.h4 Rf5?? 32.Qd4 Qd4 33.Rd4 Bd4 34.Rd1 Bb6 35.Be4 Rf2 36.Kh1 Re8 37.Rb1 Re4 38.h5 Ree2 39.h6 Rh2# 0–1. slavisa99 – Sir, Live Game Caissa's Web, 2004.

6.Nf3 Bg4 7.h3 Bf3 8.Qf3 d5 9.c4 0-0 10.cd5 cd5 11.Nc3 e6 12.Bd3 Nbd7 13.0-0 Nb6 14.a4 Nc4 15.Bc4 dc4 16.b5 Qd7 17.Ba3 Rfd8 18.Rac1 Rac8 19.Rc2 a6 20.Rfc1 ab5 21.Nb5 Qd5 22.Nd6 Rd6 23.Bd6 Qd6 24.Rc4 Rc4 25.Rc4 Nd5 26.Rc8 Bf8 27.Qd1 Qd7 28.Rc1 Nb6 29.a5 Nd5 30.Qb3 Bd6 31.Rb1 Qc7 32.Qb7 Qa5 33.Qc8 Kg7 34.Qc2 Nb4 35.Qb2 Nd3 36.Qb3 Nb4 37.e4 Nc6 38.Qc4 Ne7 39.g3 Ng8 40.Kg2 Nf6 41.e5 Qa8 42.Kg1 Ne4 43.ed6 Nd2 44.Qb4 Nf3 45.Kf1 Qa6 46.Kg2 Ng5 47.Qb5 Qa8 48.Kf1 Nf3 49.Qb7 Qb7 50.Rb7 Nd4 51.Rf7 1–0. tns1 (1680) – julo12, kurnik, 2012.

5.Nf3 0-0

6.c4 Nc6 7.Be2 e5 8.d3 h6 9.0-0 Nh7 10.Nbd2 f5 11.e4 f4 12.g3 g5 13.gf4 gf4 14.Kh1+= Bh3 15.Rg1 Kh8 16.Rg6 Rf6 17.Qg1 Qe7 18.Bf1 Bf1 19.Rf1 Rg8 20.d4 Qf7 21.Nh4 Ng5 22.Rf6 Bf6 23.d5?? Nd4 24.Bd4 ed4?? 25.f3?? Nf3! 26.Qf2 Nh4 27.Qf4 Qg6?? 28.Qf6= Qf6 29.Rf6 Kh7 30.Rf7 Rg7 31.Rg7 Kg7 32.Kg1 Kf6 33.Kf2 Ke5 34.c5 Ng6 35.cd6 cd6 36.a4 Nf4?? 37.b5?? a6 38.ba6 ba6 39.Kf3 Nd3 40.h4 Nc5? 41.a5 Nb7 42.Nc4 Kf6 43.Kf4 h5 44.e5 de5 45.Ne5 Na5 46.Ke4 Nb3 47.d6 a5?? 48.Nc6?? a4?? 49.d7 Nc5=+ 50.Kd4 Nd7 51.Ke4 a3 52.Nb4 Nc5 53.Kf4?? Nb3 54.Na2 Nd2 55.Kg3 Kf5 0–1. Fournier,Frederic (1975) – ahahah, Active (5/0), 2005.

6.d4 Ne8 7.Be2 f5 8.0-0 Nf6 9.c4 b6 10.Nc3 Bb7 11.Rc1 Nbd7 12.d5 Rc8 13.Nd4+- Qe8 14.Ne6 Rf7 15.f3?? c6+/– 16.e4 fe4 17.fe4 Nf8 18.Ng7 Kg7 19.dc6 Bc6 20.Bf3 N8d7 21.Nd5 Bd5 22.ed5 Kg8 23.Re1 a6 24.Qa4 Ra8 25.Qd1 b5?? 26.Bg4 Kg7? 27.Be6+- Rf8 28.Qg4 bc4?? 29.Bd7 Qd8 30.Be6 a5 31.Qc4 ab4 32.ab4 h6 33.Qc7 Qe8 34.Bd7 Qf7 35.Be6 Qe8 36.Qc6 Qd8 37.b5 Ra5 38.b6 Ra2 39.Rb1 Rb2 40.Rb2 Ng4 41.Bg4 Qb8 42.Qc3 Kh7 43.b7 Rf6 44.Qe3 Rf7+- 45.Be6 Rg7 46.Rc1 Qa7 47.Qa7 h5 48.b8Q h4 49.h3 Kh6 50.Qe3 Kh7 51.Qf8 g5 52.Qd4 Rg6 53.Qdh8 1–0. mihai740609 – aetin (1640), kurnik, 2011.

5.Nf3 c5

6.d4 b6 7.Nbd2 Bb7 (7...cd4 8.Nd4 Bb7 9.Bb5 Nbd7 10.0-0=) 8.Bb5 Nbd7 9.c4 (9.dc5 dc5 10.bc5 bc5=) 9...a6= 10.Ba4 b5 (10...0-0!?=) 11.cb5+/- ab5 12.Bb5 cb4 13.ab4 Ra1 14.Qa1 Qb6 (14...0-0 15.0-0+/-) 15.Qa5+- 0-0 16.0-0 (16.Nc4 Qa5 17.ba5 Ra8+/-) 16...Ra8 17.Qb6 Nb6 18.Ra1 (18.Bd3+/-) 18...Rc8?? (better 18...Ra1!? 19.Ba1 Nbd5=) 19.Rc1 (19.Bd3!? Nfd5 20.Ra7 Rc7+-) 19...Ra8 20.h3 (20.Ne1 Ra2 21.Nd3 h6+/-) 20...Ra2 21.Bc3 Bd5 (21...Nfd5 22.e4 Nc3 23.Rc3+/-) 22.Bd3 Na4 23.e4 (23.Ba1+/-) 23...Be6 (better 23...Bh6!? 24.ed5 Nd5+=) 24.d5+- Bd7 25.Bd4 (25.Bf6 Bf6 26.Rc7 Nb6+-) 25...Nh5? (25...Nd5!? 26.Bg7 Nb4+/-) 26.Bg7 (better 26.Bb1 Rd2 27.Bg7 (27.Nd2?! Bd4 28.Rc7 Bb5+=) 27...Rd5 28.ed5 Kg7 29.Rc7+-) 26...Ng7? (26...Kg7 27.Rc7 Nf6 28.Nc4+-) 27.b5 (27.Rc7!? Be8 28.Re7 Ra1 29.Kh2 Nc3+-) 27...Nb6 (27...Rb2 28.Rc7 Nc5 29.Bc4+/-) 28.Nc4 (better 28.Rc7 Be8+-) 28...Bb5? (better 28...Nc4 29.Bc4 Rb2+-) 29.Nb6 Bd3 30.Rc8 Ne8 31.Re8 Kg7 32.Re7 Ra1 33.Kh2 Bf1 (33...Kf6 34.Re8 Rb1 35.e5 de5 36.Nd7 Kg7 37.Nfe5+-) 34.Ng5 (better 34.Nc8 Kf6 35.Rc7+-) 34...Be2 (34...Kf6 35.Rf7 Kg5+-) 35.Rf7 Kh6 36.h4 (36.f4 Rh1 37.Kh1 Bd3 38.Rh7) 36...Kh5 (36...Rh1 37.Kg3 Rh4 38.Kh4 Bd3 39.Rh7) 37.Kg3 h6 38.f3 (38.Nd7 Ra3 39.f3 Rf3 40.gf3 hg5 41.Rh7) 38...hg5 (38...Rg1 39.Nd7 Rg2 40.Kg2 Bf1 41.Kg3 hg5 42.Rh7) 39.Rh7 1-0. blitzbullet (2395) - lingsumi (1915), Hourly Bullet Arena, lichess.org, 2018.

6.Be2 Nc6 7.b5 Na5 8.0-0 b6 9.c4 Bb7 10.Bc3 0-0 11.Ba5 ba5 12.a4 Nd7 13.d3?? (better 13.Nc3=) 13...Ba1-+ 14.Nbd2 (14.d4 cd4 15.ed4 e5-+) 14...Bg7 15.Qb3 Ne5 (15...a6!? 16.Qc2-+) 16.Ne5 Be5 17.f4 Bg7 18.Bf3 Bf3 19.Nf3 d5! 20.cd5 Qd6 21.e4 (21.Qc4 a6 22.ba6 Rfd8-+) 21...f5 (better 21...Qf4 22.Qc4 Qe3 23.Kh1 Rfb8-+) 22.e5 Qd7 23.Qc4 (23.Ng5 Rad8 24.d6 Kh8 25.de7 Qe7-+) 23...Rfd8 (23...Rad8 24.d6 Kh8 25.de7 Qe7 26.Re1-+) 24.Qc5? (better 24.d6 e6 25.d4 cd4 26.Nd4-+) 24...Rac8 25.Qd4 (25.Qa3 Qd5 26.d4 e6-+) 25...Qd5 26.Qd5 Rd5 27.d4 Rc4 (better 27...Rc3 28.Kf2-+) 28.Rb1 (28.Ra1 Rc2-+) 28...Ra4 29.b6 ab6 30.Rb6 Kf7 (better 30...Bh6 31.g3-+) 31.Ng5 White intends e6 31...Ke8 32.Rb8 (32.Ne6 Rdd4 33.Ng7 Kf7-+) 32...Kd7 (better 32...Rd8 33.Rd8 Kd8 34.Ne6 Ke8-+) 33.e6 (33.Rb7 Kc6 34.Re7-+) 33...Kc7 34.Rg8 (34.Rb1 Rad4 35.Rc1 Kd6-+) 34...Bf6 (34...Bd4 35.Kf1 Ra1 36.Ke2 Bc5 37.Rd8 Rd8 38.Kf3 Ra3 39.Ke2 Ra2 40.Ke1 Bb4 41.Kf1 Rd1) 35.Nf7 (35.Nf3 Bd4 36.Nd4 Rdd4-+) 35...Rad4 (35...Bd4 36.Kf1 Rb5 37.Rc8 Kc8 38.Nd6 ed6 39.e7 Kd7 40.Ke2 Rb3 41.Kd2 Ra2 42.Kc1 Be3 43.Kd1 Rb1) 36.h3 (36.Ra8 Rd1 37.Kf2 R1d2 38.Ke1 Rg2 39.Ra7 Kb6 40.Kf1 Rdd2 41.Rb7 Kb7 42.Ne5 Rdf2 43.Ke1 Bh4 44.Nf3 Rf3 45.Kd1 Rf1) 36...Rd1 (36...Bh4 37.Rd8 Rd8 38.g4 Rd1 39.Kg2 R1d2 40.Kg1 Rb8 41.gf5 Rb1) 37.Kh2 Ra1 38.Nh6 (38.Ng5 Bg5 39.fg5 Ra2-+) 38...Ra2 (38...Bh4 39.Re8 Rdd1 40.Re7 Kc6 41.Rc7 Kc7 42.Nf5 Rh1) 39.Ra8 Rdd2 40.Ra7 Kb6 41.Rd7 (41.Rb7 Kb7 42.Kg3 Rg2 43.Kf3 Rgf2 44.Ke3 Rad2 45.Nf5 gf5 46.h4 Bd4) 41...Rg2 42.Kh1 Rgb2 43.Rd1 a4 (43...Bd4 44.Ng4 fg4 45.Rd2 Rd2 46.hg4 Rh2) 44.Nf7 (44.Nf5 gf5 45.Kg1 Bd4 46.Kf1 Rf2 47.Kg1 Rfd2 48.Kf1 Rd1) 44...a3 (44...Bd4 45.Rd2 Rd2 46.Ne5 Rh2) 45.Nd8 (45.Ng5 Bg5 46.Re1 Bf6 47.Kg1 Bd4 48.Kf1 Rf2 49.Kg1 Rg2 50.Kf1 Raf2) 45...Rd2 (45...Bd4 46.Rd2 Rd2 47.Nf7 Rh2) 46.Rb1 (46.Re1 Rh2 47.Kg1 Bd4 48.Re3 Be3 49.Kf1 Rh1) 46...Rab2 47.Re1 a2 (47...a2 48.Kg1 Bd4 49.Kf1 Rf2 50.Kg1 Rg2 51.Kf1 Rbf2; 47...Bd4 48.Re2 Re2 49.Nf7 Rh2) 0-1. Gehaktbalmetjus (2040) - Mps2000 (2300), Rated Bullet game, lichess.org, 2019.

5.Nf3 Nbd7

6.d3 c5 7.bc5 Nc5 8.Be2 0-0 9.Nbd2 Bd7 10.c4 Qc8 11.0-0 Ne6 12.d4 Nd8 13.Rc1 e5 14.de5 de5 15.Ne5 Bf5 16.Nef3 Nc6 17.Nb3 Qe6 18.Nbd4 Nd4 19.Nd4 Qe4 20.Nf5 Qf5 21.Bf3 Rab8 22.Qc2 Qg5 23.Rfd1 Rfc8 24.Rd6 Rd8 25.Rcd1 Rd6 26.Rd6 b6 27.g3 Qf5?? 28.Qf5 gf5 29.Bf6 Rc8 30.Bd5 Bf6 31.Rf6 Rf8 32.Rf7! Rf7 33.Bf7 Kf7 34.Kg2 Ke6 35.Kf3 Ke5 36.h3 a6 37.Ke2 Ke4 38.f3 Ke5 39.Kd3 h5 40.f4 Kd6 41.Kd4 Ke6 42.e4 fe4 43.Ke4 Kd6 44.Kd4 Ke6 45.g4 hg4 46.hg4 Kf6 47.g5 Kf5 48.Kd5 Kg6 49.Kc6 b5 50.cb5 ab5 51.Kb5 Kf5 52.a4 Kf4 53.g6 Kf5 54.g7 Ke4 55.g8Q Kd3 56.Qg4 Ke3 57.Kc4 Kf2 58.Qh3 Ke2 ½–½. exp2005 – sacz, kurnik, 2011.

6.d4 0-0 7.c4 c5 8.bc5 dc5 9.d5 Qa5 10.Nbd2 Nb6 11.Qc2 Bg4 12.Be2 Rad8 13.0-0 Na4 14.Be5 Nb6 15.Rfb1 Bf3 16.Nf3 e6 17.d6 (17.Rb5 Qa6+/–) 17...Nfd7 (17...Ne8!? 18.Bg7 Ng7+=) 18.Rb5 Qa4 19.Qa4 Na4 20.Rb7?? (better is 20.Bg7 Kg7 21.Rb7+/–) 20...Ne5–+ (20...Be5?! 21.Ne5 Ne5 22.f4–+) 21.Ne5 Be5 22.Ra7? Ba1 23.Ra4 Rd6 24.Ra5 Rfd8 25.Bf1 Rd1 26.Rc5 Rc1 27.Rc7 Rdd1 28.g3 Rf1 29.Kg2 Rg1 30.Kf3 Rgd1 31.a4 Rc3 32.a5 Rdc1 33.a6 Rc4 34.Rd7 Rc7 35.Rd8 Kg7 36.Ra8 Rd7 37.a7 Ra7! 38.Ra7 Bf6 39.Kg2 Rc2 40.Kf3 Kh6 41.h4? Kg7 42.Kg2 h5 43.Kf3 Bc3 44.Kg2 Be1 45.Kf3 Bf2 46.Rd7 Be1 47.e4 Rf2 48.Ke3 Rg2 49.Kf4 Rg3 50.e5 Rh3 51.Kg5 Rh4 52.Rf7 Kf7 53.Kh6 Rg4 (53...Rg4 54.Kh7 h4 55.Kh6 h3 56.Kh7 Rh4; 53...Re4 54.Kh7 h4 55.Kh6 Re5 56.Kh7 Rh5) 0–1. Fournier,Frederic (2005) – joselito123 (1685), Active (2/0), 2005.

6.d4 e6 7.Bd3 Qe7 8.0-0 b6 9.c4 Bb7 10.Nc3 e5 11.d5 e4? 12.Ne4!+- 0-0 13.Nf6 Nf6 14.e4! Ne4 15.Bg7 Kg7 16.Re1 f5 17.Nd2 Qf6 18.Be4 fe4 19.Ne4 Qf5 20.f3 Rae8 21.Ng3 Qf4 22.Re8 Re8 23.Ne2?? Qc4?? 24.Qd4 Kh6?? 25.Qc4+- 1–0. mihai740609 – slonosieplaci, kurnik, 2011.

6.Be2 0-0 7.d3 e5 8.Nbd2 Nb6 9.c4 Be6 10.0-0 Qd7 11.Ng5 Bf5 12.e4 Be6 13.Ne6 Qe6 14.f4 ef4 15.Rf4 Rfe8 16.Rf1 Nbd7 17.Nf3 Qe7 18.Qc2 c6 19.Rae1 b6 20.b5 cb5 21.cb5 Nh5 22.Bg7 Kg7 23.Nd4 Ne5?? 24.Qb3 Rec8?? 25.Bh5+- gh5 26.Nf3 Ng4 27.h3 Nf6 28.Nd4 Qe5 29.Nf5 Kg8 30.d4 Qe8 31.Nd6 Qe6 32.Nc8 Qb3–+ 33.Rf6? Rc8 34.Ref1 Rc7 35.d5 Qa3 36.e5 Qe3 37.Kh1 Qe5 38.d6 Rd7 39.R1f5 Qe1 40.Kh2 Qb4 41.Rh5 Kg7 42.Rhf5 Qc4 43.Rf4 Qd5 44.R4f5 Rd6 45.Rd5 Rd5 46.Rc6 Rb5 47.Rc7 Ra5 48.Kg3 b5 49.Rb7 a6 50.Kf2 Ra4 51.Ke3 b4 52.Kd3 a5 53.Kc4 Ra2 54.g4 Rh2 55.Rb5 1–0. exp2005 – yurimaceio, kurnik, 2011.

6.Be2 c5 7.c3 cb4 8.cb4 0-0 9.0-0 b6 10.d3 Bb7 11.Nbd2 e5 12.Rc1 d5? 13.Qb3 h6? 14.Qa2 g5? 15.Ne5+- Ne5 16.Be5 Qe7 17.Bb2 Rad8 18.d4 Ne4 19.Ne4 Qe4 20.Bf3 Qf5 21.Rc7 Ba8 22.Ra7 g4 23.Be2 h5 24.Qb1 Qf6 25.Rc1 Bc6 26.b5 Bd7 27.Rcc7 Bf5 28.Qc1 h4 29.Rc6 Be6 30.Ra6 g3 31.f3 h3 32.hg3 Qh6 33.Rab6 hg2 34.Kg2 Qh3 35.Kf2 Qh2 36.Ke1 Qg3 37.Kd2 Bh6 38.Qh1 Qg5 39.f4 Qg6 40.Bd3 Bf5 41.Rg6 fg6 42.Bf5 (42.Bf5 Rd6 43.Rd6 Rc8 44.Be6 Kg7 45.Rd7 Kf6 46.Qh4 Ke6 47.Re7 Kd6 48.Qf6) 1–0. exp2005 – sacz, kurnik, 2011.

4.a3 Nh5

5.Nc3 0-0 6.Nf3 b6 (6...d5 7.Be2=) 7.g4 (7.Bd3 d5=) 7...Nf6= 8.Bg2 d5 9.g5 (9.Ne5 Bb7=) 9...Ne4 10.d4 Bb7 (better 10...Bg4!? 11.h3 Bf5=) 11.Ne4+/- de4 12.Nd2 Nc6 (12...a5!?+/-) 13.Be4 Qd7 14.b5 (better 14.0-0!?+/-) 14...Na5= 15.Bb7 Nb7 16.c4 c6 (16...Nd6=) 17.Qf3 White prepares the advance d5 (better 17.bc6 Qc6 18.d5+=) 17...cb5=+ 18.cb5 (18.Qd5 Qd5 19.cd5 Rfd8=+) 18...Qb5-/+ 19.Qb7 Qb2 20.Ke2 (20.Rd1 Qa3 21.Ke2 Qa4-/+) 20...e5 (20...Qb5 21.Ke1-/+) 21.d5 (21.Rab1 Qa3 22.Ra1 Qb2-/+) 21...e4 (21...Qb5 22.Kf3 f6 23.d6 e4 24.Qe4 fg5 25.Kg3 Be5 26.Kg2 Ba1 27.Ra1-+) 22.Rab1 Qe5 (22...Qc2 23.Rb3-/+) 23.d6 Qg5 (23...Qd6 24.Ne4 Qa3 25.Rhd1-/+) 24.Qe4 (24.Rhc1 Qg4 25.Kf1 Rae8 26.Qa7 Qh3 27.Ke2 Qh5 28.Ke1 Qh2=+) 24...Qh5 (24...Rad8 25.Qd3 Rfe8=+) 25.Qf3 (25.Nf3 Rfe8 26.Qa4 Re5+=) 25...Qa5 (better 25...Qc5 26.Qf4 Rad8-/+) 26.Ne4?? (better 26.Rhc1=) 26...Qa6-+ (26...Qa3?! 27.Nf6 Kh8 28.Rhd1=+) 27.Ke1 Qa4 (27...f5 28.Nd2 Qd3 29.Rd1 Qd6 30.Nb1-+) 28.Kf1 (better 28.Rd1=+) 28...f5?? (28...Rae8 29.Ng3-+) 29.Ng3?? (29.Ng5 Qc4 (worse 29...Qa3 30.Qd5 Kh8 31.Ne6+-) 30.Kg2 h6=+) 29...Qa5 (better 29...Rad8!? 30.Qd5 Kh8-/+) 30.Kg2= g5?? (better 30...Rad8 31.Rhd1 Rf7=) 31.Rhd1+/- f4 (31...Rad8 32.Rd5 g4+-) 32.Nh5 (better 32.ef4 gf4 33.Nh5+-) 32...g4?? (32...fe3!? 33.Qe3 Qf5+/-) 33.Qd5 (better 33.Qg4 Rf7 34.Nf4+-) 33...Qd5 34.Rd5 f3? (better 34...fe3 35.fe3 Bh6+-) 35.Kg3+- Rad8 (35...Kf7 36.Ng7 Kg7 37.Rc1+-) 36.Kg4 (36.Rg5 Rf7 37.Rd1 Kh8 38.Ng7 Rg7 39.Rg7 Kg7 40.Kg4 Kf6+-) 36...Rd7 (36...Bh8 37.Rb4+-) 37.Rbd1 (37.Rg5!? h6 38.Rg6 Kh7 39.Rg7 Rg7 40.Ng7 Kg7+-) 37...Bh6 (37...Bb2 38.e4 Kf7 39.Rb5+-) 38.Rf5 Kh8 (38...Rdf7 39.Nf6!! Rf6 40.Rf6 Rf6+-) 39.Rf8 (better 39.e4 Rg8 40.Kf3+-) 39...Bf8+/- 40.Kf3 (40.Rc1 Rd6 41.Rc8 Kg8+/-) 40...Rd6 41.Rd6 (41.Rc1!?+/-) 41...Bd6= 42.a4 Ba3? (better 42...Bh2 43.Ke4 a6=) 43.Ke4+- a6 (43...Kg8 44.Kd5+-) 44.Kd5 b5 45.ab5 ab5 46.Ke4 (46.e4!? Kg8 47.f4 Bf8+-) 46...b4 (46...Bb4 47.Kd4+-) 47.Kd3 Kg8 (47...b3 48.Kc3 b2 49.Kc2+-) 48.Kc2 Kf7 49.Kb3 (49.Nf4 Kf6 50.Nd3 h6+-) 49...Kg6 (49...Ke6 50.Nf4 Kf5 51.Nh3+/-) 50.Nf4 (50.Ng3 Kg5 51.Ne2 Kf5+-) 50...Kf5+/- 51.Nd5 Ke4 52.Nb4 Kf3?? (52...Bc1 53.Na2 Bd2+=) 53.Nc2 (53.Ka3 h5 54.Nd3 Ke4+-) 53...Kf2?? (better 53...Bd6=) 54.Ka3+- (54.Na3?! Ke3 55.Kc4 Kf3+=) 54...Kf3 55.Kb3 (better 55.Kb4 h5 56.Kc5 Ke4+-) 55...Ke4 (55...h5 56.Kc4 h4 57.Kd4+-) 56.Kc3 Kf3 57.Kd2 (57.Kd4 Kg4 58.Kd5+-) 57...h5 (57...Ke4 58.Nd4 Kd5+-) 58.Ne1 Ke4 59.Nd3 h4 (59...Kf5 60.Nf4 Ke5 61.Nh5+-) 60.Nf2 (60.Nf2 Kf3 61.e4 Kf2 62.e5+-) 1-0. FeegLood (2725) - Lance5500 (2595), lichess.org, 2016.

5.Nf3?? Bb2–+ 6.Ra2 Bg7 7.d4 Nf6 8.c4 0-0 9.Bd3 d5 10.c5 Bg4 11.Nbd2 e6 12.h3 Bf3 13.Nf3 b6 14.0-0 bc5 15.bc5 c6 16.Qe2 Nbd7 17.Rb2 Rb8 18.Rfb1 Qc7 19.Qc2 Ne4! 20.Be4 de4 21.Qe4 Rb2 22.Rb2 Nc5! 23.dc5 Bb2 24.Nd4 Bd4 25.ed4 Rb8 26.g3 Rc8 27.Kg2 Rd8 28.f4 Qd7 29.Kf3 Qd4 30.Qd4 Rd4 31.Ke3 Ra4 0–1. Fournier,Frederic – lesny222, Active (3/0), 2005.

5.d4 0-0

6.Be2 b6 7.Bh5+/- gh5 8.Qh5 Bb7 9.Nf3 e6 10.Nbd2 h6 11.0-0-0 (11.c4 a5+/-) 11...d6 12.h4 (12.e4 Nd7 13.Rhe1 Nf6+/-) 12...Nd7+= 13.Rh3 (13.Qg4!?+=) 13...Nf6= 14.Qb5 a6 (14...a5 15.ba5 Ra5 16.Qe2=) 15.Qe2+= e5? (better 15...a5+=) 16.de5+- de5 17.Nc4 (17.Ne5!? Kh8+-) 17...Qe7 18.Nce5 Ne4 (better 18...Rfd8+-) 19.Qd3?? (better 19.Rd7 Qe6 20.Rc7+-) 19...Nf2-+ 20.Qf5? (better 20.Qe2 Nd1 21.Qd1-+) 20...Nd1 (20...Nh3?! 21.Qh3 Rad8 22.Rd8 Rd8 23.Qg3-/+) 21.Kd1 Bf3?? (better 21...Bc8 22.Qf4 Bh3 23.gh3 Rad8 24.Kc1 Qd6-+) 22.Rf3 (22.gf3 Rae8 23.f4 Qe6 24.Qe6 Re6=+) 22...Rad8 23.Kc1 (better 23.Ke2 Qh4 24.Ng4-/+) 23...Be5?? (better 23...Qh4 24.g3 Qh1 25.Rf1 Qd5-/+) 24.Be5 Rd5?? (24...f6 25.Bf6 Rf6 26.Qf6 Qf6 27.Rf6 Re8+-) 25.Rg3 Qg5 26.hg5 (26.Rg5 hg5 27.Qg5 Kh7 28.Qg7) 26...hg5 (26...Rb8 27.g6 Rd1 28.Kb2 Rf1 29.Qf1 f6 30.Qf6 Rd8 31.Qd8) 27.Rg5 1-0. Gehaktbalmetjus (2040) - Dani_Daniels (2020), Rated Bullet game, lichess.org, 2020.

6.Be2 d6 7.Bh5 gh5 8.Qh5 c5 9.Nf3 (9.bc5!? dc5 10.Qc5 e5+-) 9...cd4+/- 10.Ng5 (better 10.Nd4!? Nd7 11.0-0+/-) 10...h6= 11.Nf3 e5 (better 11...de3!? 12.Bg7 ef2 13.Kf2 Kg7=+) 12.ed4+= ed4 13.Bd4 Re8 14.Kf1 Bd4 15.Nd4 (15.Qh6?? Ba1 16.Nbd2 a5-+) 15...Qf6 16.c3 Qe5 17.Qe5 Re5 (17...de5 18.Nb3+=) 18.Nf3 Re4 (18...Re7 19.Nbd2+/-) 19.g3 (19.Nbd2!? Re7+-) 19...Bg4 20.Kg2 Re6 (20...Bf3 21.Kf3 Re6 22.Nd2+/-) 21.h3 (21.Nd4 Re7+/-) 21...Bh5 (21...Bf3 22.Kf3 Nd7 23.Rd1+/-) 22.g4 Bg6 23.Nbd2 Nc6 24.Rae1 Ne5 (24...b5 25.c4 Bd3 26.Re6 fe6 27.cb5 Bb5 28.Ne4+/-) 25.Ne5 (25.Nd4!? Ree8 26.f4+-) 25...de5+/- 26.f4 (26.Re3!?+/-) 26...ef4= 27.Re6 fe6 28.Kf3 (better 28.Re1!? Rc8 29.c4+=) 28...e5-/+ 29.Nc4? (better 29.Re1 Rd8 30.Nc4 Rd3 31.Kf2-/+) 29...Re8?? (better 29...Bf7 30.Nd6 Bd5 31.Ne4 Rc8-+) 30.Re1+= Bf7? (better 30...e4 31.Kf4 Rf8 32.Ke5 Rc8+=) 31.Ne5+- (31.Re5?! Rc8 32.Nd6 Rc3 33.Kf4 Ra3 34.Nb7 Rh3+/-) 31...Bd5 (31...Rc8 32.Rc1+- (worse 32.Nf7 Rc3 33.Kf4 Kf7+/-)) 32.Kf4 Rf8 33.Ke3 Re8 34.Kd4 Bb3 (34...Rd8 35.c4 Bg2 36.Kc3 Bh3 37.Rh1+-) 35.Nf3 (35.c4!? Rd8 36.Kc3 Rd1 37.Rd1 Bd1+-) 35...Rd8 36.Ke3 Re8 37.Kf2 Rf8 38.Re3 Bd5 39.Kg3 Rc8 40.Ne5 Be6 41.Ng6 Bf7?? (41...Kf7 42.Kh4 Rg8 43.Ne5 Kf6 44.c4+-) 42.Nf4 (better 42.Ne7 Kg7 43.Nc8+-) 42...Rc6 43.Ne2 Ra6 44.Nd4 Ra3 45.Nf5 Ra2? (45...h5 46.Nh6 Kg7 47.Nf7 Kf7 48.gh5+-) 46.Nd6 (46.Nh6 Kg7 47.Nf5 Kf6+-) 46...Ra1 (46...b6 47.Re7 Bg6 48.Nc8+-) 47.Nf7 (better 47.Nb7 Kg7 48.Nd6+-) 47...Kf7 48.Rf3 Kg7 (better 48...Kg6+/-) 49.Re3 Rg1?? (49...Kf7 50.Kh4 Ra6+-) 50.Kh4+- Rh1 (50...Rc1 51.Kh5+-) 51.Rd3 (51.Re7 Kf6 52.Rb7 Rc1+-) 51...Rf1 52.Rd7 Rf7 53.Rf7 Kf7 54.Kh5 Kg7 55.h4 White prepares the advance g5 55...b6 (55...a6 56.c4 Kf6+-) 56.g5 (better 56.b5+-) 56...a5 57.gh6 Kh7 58.Kg5?? (better 58.ba5 ba5 59.c4=) 58…a4-+ 0-1. Gehaktbalmetjus (2105) - el_killer (2135), Rated Bullet game, lichess.org, 2020.

6.Be2 d6 7.Bh5 gh5 8.Qh5 e5 9.Nf3 ed4 10.Bd4 Bd4 11.Nd4 Nd7 12.Nd2 Qf6 13.0-0 c5? (13...Ne5 14.Ne4 Qg6 15.Qg6 fg6 16.Rfd1+/-) 14.N4f3 (14.Ne4 Qg6 15.Qg6 hg6+-) 14...Qg7 15.Qg5 (15.Ne4 cb4 16.ab4 Nf6 17.Nf6 Qf6+-) 15...Nf6 16.Qg7 Kg7 17.c3 Be6 18.h3 Rfd8 19.Rfe1 a5 20.b5 b6 21.c4 d5 22.cd5 Nd5 23.Ne5 (23.Rac1 Nc7 24.a4 Rd3+/-) 23...Nc3 (better 23...Ne3 24.Re3 Rd2=+) 24.Nc6?? (better 24.Ndc4 Rab8 25.Kf1+=) 24...Rd6 (better 24...Rd2 25.a4 Ba2-+) 25.Nf3 Nb5 26.Nce5 Rdd8?? (26...f6 27.Ng4-/+) 27.Red1?? (better 27.Reb1 Nc3 28.Rb6+=) 27...Nc3 (27...Rd1!? 28.Rd1 Na3 29.Ng5-+) 28.Rd8 Rd8 29.Nc6 (better 29.Nh4-/+) 29...Rd6-+ 30.Ne7? (30.Nce5 f6 31.Ng4-+) 30...Kf6 (better 30...Kf8-+) 31.Ng8-/+ Kg7 32.Ne7 Kf8 33.Rc1 (33.Kf1-+) 33...Ne2 (33...Ke7?! 34.Rc3 Rd1 35.Kh2-/+) 34.Kh2 Nc1 0-1. Gehaktbalmetjus (2180) - negrovich1 (2225), Rated Bullet game, lichess.org, 2020.

6.Be2 e5? 7.Bh5 (7.de5!? Qe7 8.Bh5 gh5 9.Qh5 a5+/-) 7...gh5+/- 8.Qh5 ed4 9.Bd4 Bd4 10.ed4 Qf6 11.Ne2 d5 (11...a5 12.b5+/-) 12.Nbc3 (12.Qd5 Re8+-) 12...c6+/- 13.h4 Kh8 14.Qg5 Qg6 15.Qg6 fg6 16.0-0 (16.Nd1 Bf5 17.Ne3 Nd7+/-) 16...Bf5 17.Rac1 Nd7 18.Ng3 Be6 19.Rfe1 Rae8 20.Re3 Nb6 21.Rce1 Bd7 22.Re8 Re8 23.Re8 Be8 24.Nce2 Nc4 25.a4 b6 26.c3 (26.Nf4 Nb2+/-) 26...Kg7 (26...Nb2 27.a5 ba5 28.ba5=) 27.f3 (27.Nc1!?+/-) 27...Nb2= 28.a5 ba5 29.ba5 Nc4 30.a6 Bd7 31.Kf2 Bc8 32.Nc1 (32.Nf4 Kf6=+) 32...Ba6 33.Nb3 Nd2?? (33...Bb5 34.Nc5-/+) 34.Nc5 (better 34.Nd2 Kf6 35.Ke3+-) 34...Bc8 (34...Bb5!?=+) 35.Ke2 Nc4 36.Kd3 Nd6 37.Ne2 Bf5 38.Kd2 Nc4 39.Kd1?? (39.Kc1 h5=) 39...Nb2?? (better 39...Ne3 40.Kd2 Ng2-+) 40.Kc1= Nd3 41.Nd3 Bd3 42.Nf4 Bc4 (42...Bf1 43.g4=) 43.Ne6 Kf6 44.Nd8 c5 (better 44...Bb5!?=) 45.dc5+/- Bb5 46.Nb7 Bc6 (46...Bc6 47.Na5 Bb5+/-). Gehaktbalmetjus (2025) - Dani_Daniels (2025), Rated Bullet game, lichess.org, 2020.

6.Be2 Nf6 7.Nf3 d6 8.0-0 c5 9.bc5 dc5 10.Nbd2 cd4 11.ed4 Bg4 12.c4 Nc6 13.d5 Na5 14.h3 Bf5 15.Bc3 b6 16.Ba5 ba5 17.Qa4 (17.Rc1 Rb8+=) 17...Rc8 (17...Ne4 18.Ne4 Ba1 19.Ra1 Be4 20.Nd4=) 18.Nd4 (18.Rad1!?+=) 18...Bd7=+ 19.Qc2 (19.Qb3!? Nd5 20.cd5 Bd4 21.Rac1=+) 19...Nd5!-/+ 20.Qe4?? (20.cd5 Bd4 Discovered attack (20...Rc2 Pinning; 20...Rc2 Deflection)) 20...Nc3-+ 21.Qd3 (21.Qh4 Bd4 22.Rae1 e5-+) 21...Ne2 (better 21...Bd4 22.Qf3-+) 22.Qe2 (22.Ne2 Ba1 23.Ra1 Bh3 24.Qe3-+) 22...Bd4 23.Nf3 (23.Ra2 Bf5 24.Rc1 Qd6-+) 23...Ba1 24.Ra1 0-1. Gehaktbalmetjus (2020) - forestryfire (2080), Rated Bullet game, lichess.org, 2020.

6.Be2 Nf6 7.Nf3 d6 8.0-0 Re8 9.Nbd2 e5 (9...c5 10.c3+=) 10.de5+/- de5 11.Ne5 Nd5 12.Nd3 (12.Ndf3!?+-) 12...Bb2 13.Nb2 Nc3 14.Qe1 Ne2 15.Qe2 b6 (15...a5 16.b5+/-) 16.Nf3 (16.Qf3 c6 17.Ne4 Bf5+-) 16...c6 17.Rad1 Qe7 18.c4 b5? (18...a5 19.Nd3+/-) 19.c5 (19.cb5 cb5 20.Qb5 Bg4+-) 19...Be6 20.Nd4 Bd7 21.Qf3 a5 22.Nd3 ab4 23.ab4 Be6 (23...Ra3 24.Rd2+-) 24.Ra1 (24.Ne5 Bd5 25.Ndc6 Nc6 26.Nc6 Bf3 27.Ne7 Re7 28.gf3 Ra4+-) 24...Bd5 25.Qg3 (25.Ra8?! Bf3 26.Nf3 Rd8+=) 25...Ra1 26.Ra1 Bc4 27.Ne5?? (better 27.Nb2+-) 27...Qc7?? (better 27...Qe5 28.Qe5 Re5=) 28.Nef3 (better 28.Nec6 Qg3 29.hg3 (29.fg3?! Nc6 30.Nc6 Re3+-) 29...Nc6 30.Nc6+-) 28...f6?? (better 28...Qg3 29.hg3 h5+/-) 29.Qc7+- Be6 30.Ra7 (30.Ne6 Nd7 31.Qd7 Re7 32.Ra8 Kf7 33.Rf8) 30...Nd7 31.Ne6 Re6 (31...Re7 32.Qd8 Kf7 33.Rd7 Rd7 34.Qd7 Kg8 35.Qe8) 32.Qd7 Rd6 (32...Re7 33.Qe7 h6 34.Qd8) 33.Qg7 (33.Qe8) 1-0. Gehaktbalmetjus (2075) - vizzyfreezy (2045), Rated Bullet game, lichess.org, 2019.

5.d4 b6

6.Be2 Bb7 7.Bh5 gh5 8.Nf3 e6 9.0-0 (9.Nbd2 d5+=) 9...Qf6 10.c4 Nc6 (10...Bf3 11.Qf3 Qf3 12.gf3+=) 11.Bc3 Qe7 (11...Ne7 12.d5 Qh6 13.e4+=) 12.b5 (12.d5 Bc3 13.Nc3+- (13.dc6 Ba1 14.cb7 Rb8-/+)) 12...Nd8+/- 13.Nbd2 f6 14.Qb3 Nf7 15.Bb4 d6 16.Rad1 Kd7 (16...Ng5 17.d5+=) 17.Rc1 White intends c5 17...Rhg8 18.c5 bc5 19.dc5 d5?? (better 19...Ke8+/-) 20.c6+- Kc8 21.Be7 h4 22.cb7 Kb7 23.Qa4 a5 24.ba6! Ra6 25.Qb5 Rb6 26.Qc5 (better 26.Qd7 f5 27.Qc7 Ka8 28.Qb6 Bb2 29.Rc7 Rg2 30.Kg2 h3 31.Kh1 Ba3 32.Ra7) 26...Ne5 27.Qc7 Ka6 (27...Ka8 28.Qb6 Nf3 29.Nf3 Rd8 30.Bd8 d4 31.Rc8) 28.Ne5 (28.Ne5 Rb7 29.Rc6 Ka7 30.Bc5 Ka8 31.Ra6 Ra7 32.Ra7) 1-0. Gehaktbalmetjus (2100) - rahgoshakala (2105), Rated Bullet game, lichess.org, 2019.

6.Be2 Nf6 7.Nf3 Bb7 8.0-0 d5 9.c4 c6 10.c5 b5 (10...0-0 11.Qc2+=) 11.Nc3 (11.a4 ba4 12.Nc3 0-0+/-) 11...a6 (11...a5 12.ba5 Qa5 13.Ne5+=) 12.a4+/- e6 13.ab5 ab5 14.Ra8 Ba8 15.Qc2 0-0 16.Ra1 Nbd7 17.Bc1 Bb7 18.Qa2 Qc7 19.Qc2 (19.Qa5 Qa5 20.Ra5 Ra8+=) 19...Ra8 (19...Qd8 20.Ra7 Qc8 21.Qa2+/-) 20.Ra8+= Ba8 21.e4 Bb7 (21...de4!? 22.Ne4 Ne4 23.Qe4 Nf6=) 22.e5+/- Ne8 23.Nd2 (23.Bf4 f6+/-) 23...Qd8 (23...f6 24.Bg4 fe5 25.Be6 Kh8 26.Ne2+=) 24.f4 f5 25.g3 h5 (25...Nc7 26.Bf3=) 26.Nf3+/- Bf8 27.h4 (27.Ng5 Nc7+/-) 27...Be7 28.Ng5 Bg5 29.hg5 Kf7 30.Qa2 Ng7 31.Qa7 Qb8 32.Qb8 (32.Qa5 Ne8+/-) 32...Nb8 33.Kf2 Na6 34.Na2 Nc7 35.Bd2 Nge8 36.Nc1 Bc8 37.Nb3 Bd7 (37...Ke7 38.Bd3+/-) 38.Na5 Ke7 39.Nb7 Ng7 40.Nd6 Nge8 (40...Nce8 41.Bf1+/-) 41.Bd1 Na6 42.Bc3 Nd6 43.Be2?? (43.ed6 Kd8+/-) 43...Kd8 (better 43...Ne4 44.Ke3 Nc3-+) 44.ed6+/- Be8 45.Bd3 Kd7 46.Be2 Bf7 (46...Kd8 47.Ke3+/-) 47.Bd3 e5?? (47...Be8 48.Ke3+/-) 48.Be2?? (better 48.de5 d4 49.Bd2+-) 48...e4= 49.Ke3 Be6 50.Bd1 Nc7?? (50...Nb8 51.Bd2=) 51.Be2?? (better 51.dc7 Kc7 52.Be2+-) 51...Ne8 52.Bd1 Nd6 (better 52...Nc7!?=) 53.cd6+/- Kd6 54.Be2 Bd7 55.Bd1 Kc7 (55...Be6 56.Bb3+/-) 56.Be2 Kb6 (56...Kd6 57.Kd2+/-) 57.Bd1 Be8 (57...Kc7 58.Kd2+/-) 58.Be2 Bf7 (58...Bd7 59.Bd2+/-) 59.Bd1 Be6 (59...Be8 60.Bb2+/-) 60.Be2 c5?? (60...Bf7 61.Kd2 Be6+/-) 61.dc5+- (61.bc5?! Ka6+-) 61...Kc6 62.Kd4 Bf7 0-1. Gehaktbalmetjus (2120) - warrior11 (2125), Rated Bullet game, lichess.org, 2019.

6.Be2 Nf6 7.Nf3 Rg8 8.0-0+/- Bb7 9.c4 Nc6 10.Nc3 e6 11.b5 Ne7 12.Rc1 Nf5 13.a4 h5 14.Ba3 h4 15.Ne5 d6 16.Nc6 Bc6 17.bc6 h3 18.g3 (worse 18.gh3 Nh7=) 18...Bh6 19.d5 e5 20.e4 (20.g4 Be3 21.fe3 Ne3+/-) 20...Nd4 (better 20...Bc1 21.Bc1 Ne7=) 21.Nb5?? (better 21.Ra1+=) 21...Ne2 22.Qe2 a6 23.Ra1 (23.Nc3 Bc1 24.Bc1 g5=+) 23...ab5 24.ab5 Kf8 (24...g5 25.Bb4-/+) 25.Bb2 Kg7 26.Ra8 Qa8 27.Ra1 (27.f4 Re8-/+) 27...Qd8 28.Ra7 Qe7 29.Qf3 Rc8 30.Bc3 (30.Qd3 Qd8 31.f4 ef4-/+) 30...Nh5 31.Qg4 Qd8 (31...Qg5 32.Qg5 Bg5 33.Kf1-+) 32.Qd7 (better 32.Qh3 Nf6 33.Qg2-/+) 32...Kf8 (better 32...Nf6 33.Qd8 Rd8-/+) 33.Qd8 Rd8 34.Rc7 Nf6 35.Rb7 Ne8?? (better 35...Rc8=) 36.Rb6+- Rc8 (36...Ra8 37.Ra6 Nc7 38.Ra8 Na8 39.c5+-) 37.Ra6 Nc7 (37...Bg5+-) 38.b6 (better 38.Ra7 Ra8 39.Ra8 Na8 40.c5+-) 38...Nd5?? (better 38...Na6 39.b7 Rb8-+) 39.b7 (better 39.cd5 Kg7 40.b7 Rb8+-) 39...Rb8 40.cd5 Ke7 41.Ra8 Rb7 42.cb7 (42.cb7 Bg5 43.b8Q Kf6 44.Qd8 Kg7 45.Qh8) 1-0. Gehaktbalmetjus (2075) - carambaaa (2050), Rated Bullet game, lichess.org, 2020.

5.d4 c5

6.Be2 0-0 7.Bh5+- gh5 8.Qh5 (8.bc5 Qa5 9.Bc3 Qa4+-) 8...e6 (8...cb4!? 9.ab4 d5+/-) 9.Qc5 b6 10.Qc3 (10.Qh5 d5+-) 10...Bb7 (10...Qg5!? 11.g3 Bb7+/-) 11.Nf3+- Nc6 12.Nbd2 d6 13.Qd3 Rc8 14.c4 d5 15.c5 bc5 16.bc5 Ne7 (16...Nb8 17.Qb3 Ba6 18.Qa4+-) 17.Bc3 (17.Ng5 Ng6 18.h4 Re8+-) 17...a5 (17...Rc6 18.Rb1 Ba6 19.Qc2+-) 18.0-0 (18.Qb5 Rb8+-) 18...Bc6 19.a4 Nf5 20.e4 (better 20.Rfb1!? Ra8+-) 20...de4 21.Ne4 Nh6? (better 21...Re8+-) 22.Nd6 Rc7 (22...Rb8 23.Ne5 Bd5 24.Rab1 Rb1 25.Rb1+- (25.Qb1?! Qg5 26.g3 Qh5+-)) 23.Ne5 (23.Ba5!? Bf3 24.Qf3 Qd7 25.Bc7 Qc7+-) 23...Qf6 (23...Qg5 24.Nc6 (24.Ba5?? Qg2) 24...Rc6 25.Rfb1+-) 24.Nc6 (better 24.Ba5!? Qg5 25.f3 Be5 26.Bc7 Bd6 27.Bd6 Ra8+-) 24...Rc6 25.Qf3 (better 25.Qb5 Rd6 26.cd6+-) 25...Qf3 26.gf3 Rd8 (26...e5 27.Ba5 ed4 28.Bb6+-) 27.Ba5 Rd7 (27...Rdd6 28.cd6 Rd6 29.Bc3+-) 28.Bb4 (28.Bc3 Rdd6 29.cd6 Rc3+-) 28...Bf8 (28...Bd4 29.Rac1+-) 29.Rab1 (better 29.Rfc1!? Rd8+-) 29...Bd6 30.cd6 Ra6 31.Bc5 (31.Kh1!? Nf5 32.Rg1 Kf8+-) 31...Ra4 32.Rb8 Kg7 33.Kh1 (33.Rfb1!?+/-) 33...Nf5+= Exerts pressure on the isolated pawn 34.Rg1 Kf6 35.Rh8 Nd4 36.Bd4 Rd4 37.Rh7 R7d6 38.Rgg7 Rd1 (38...Rd7 39.Kg2=) 39.Kg2 R6d2? (better 39...Rd7+=) 40.Rf7+- Ke5 41.Rh5 Kd6 42.Rf4 (42.f4 Re2+-) 42...Re2 43.Kg3 (43.Re4 Rde1+-) 43...Rdd2 (better 43...Rg1!? 44.Kh4 Rf2+/-) 44.Re4+- Rf2 45.Rh6 Rg2 46.Kf4 Rh2 47.Rhe6 (47.Ree6!? Kd7+-) 47...Kd5 48.R4e5 Kd4 (better 48...Kc4+/-) 49.Re4 Kd3?? (49...Kd5 50.Re8 Ra2+/-) 50.Re3 (50.Rd6!? Kc3 51.Rd2 Rd2+-) 50...Kc2 51.R3e4 Rh4?? (51...Kd3 52.Rd6 Kc3 53.Rd2 Kd2+-) 52.Ke5 Rh5 53.Kf6 Rh6 54.Kg5 Re6 (better 54...Rhh2+-) 55.Re6 Rd3 56.Rc6 (56.f4 Kc3+-) 56...Kd1 (56...Kd2 57.f4+-) 57.f4 Rg3 58.Kf6 Rf3 59.f5 Rc3 (59...Ke2+-) 60.Rc3 Kd2 (60...Ke2 61.Ke6 Kf2 62.f6 Ke1 63.f7 Kd2 64.Rc8 Kd1 65.f8Q Ke2 66.Rc2 Kd3 67.Qc5 Ke4 68.Rc3 Kf4 69.Qf5) ½-½. Gehaktbalmetjus (2070) - abramowski (2095), Rated Bullet game, lichess.org, 2020.

6.Be2 b6 7.Bh5 (7.Bf3 d5 8.c4 e6+/-) 7...gh5 8.Qh5 d6? (8...d5 9.Nf3+/-) 9.Nf3?? (9.Qg5 Rg8 10.Qd5 Bd7=) 9...cd4?? (9...e6 10.Nbd2+/-) 10.Bd4 (better 10.Qd5 Qc7 11.Qa8 (11.ed4?! Bb7 12.Qb3 0-0+/-) 11...Qc2 12.Qb8+- (12.Qa7?! Qb2 13.0-0 Qa1 14.Qb8 0-0 15.Qb6 Bf5+/-; 12.Nd4?! Qb2 13.0-0 Qa1 14.Qb8 0-0 15.Qa7 Bd4 16.ed4 Bf5+/-; 12.ed4?! Qb2 13.0-0 Qa1 14.Qb8 0-0 15.Qa7 Re8+-)) 10...Bd4 (10...e5 11.Bb2+/-) 11.Nd4 Be6?? (better 11...Bb7+/-) 12.Ne6+- Qd7 (12...Qc8 13.Qd5 Nc6 14.Ng7 Kf8 15.Nf5+-) 13.Ng7 Kd8 (13...Kf8 14.Qh6 Kg8 15.f3+-) 14.Qf5 (14.Qf7 Nc6+-) 14...e6 (14...Qf5 15.Nf5 Rg8+-) 15.Qf6 Kc7 (15...Kc8 16.Ne6 Rg8 17.Ng5+-) 16.Nh5 (better 16.Ne6 fe6 17.Qh8 Kb7+-) 16...Nc6 17.0-0 Rag8 (17...Ne5 18.Nd2+-) 18.Ng3 (better 18.Qc3!? Kb7 19.Nf6 Qc7 20.Ng8 Rg8+-) 18...h5 (18...Ne5 19.Rd1 Qd8 20.Qh6+-) 19.Nc3 h4 20.Nb5 (20.Nge4 Kb8+-) 20...Kb7 (20...Kb8 21.Ne4 d5 22.Rad1+-) 21.Qf4 (better 21.Ne4 d5 22.Nbd6 Ka8 23.Nf7+-) 21...hg3 22.Nd6 Ka8 23.fg3 e5 (23...f5 24.Rad1 Qh7+-) 24.Qf7 (24.Qf6 Rh7 25.Qf5 Qf5 26.Rf5 Ne7 27.Rf7 Rf7 28.Nf7 e4+-) 24...Qf7?? (better 24...Qd6 25.Rf6 Qd2+=) 25.Nf7+- Rh7 26.Nd6 (26.Rf6 Re8+-) 26...Kb8 27.Ne4 (better 27.c4 a5+-) 27...Kc8 (27...Rgh8 28.h3+-) 28.Rad1 (28.Nf6 Rgh8 29.Nh7 Rh7+-) 28...Kc7 (28...Rgh8 29.h4+-) 29.Rf6 (29.Nf6 Rgh8 30.Nh7 Rh7+-) 29...Rd7 (29...Rg4 30.Nd6+-) 30.Rd7 (better 30.Rc6 Kc6 31.Rd7 Kd7 32.Nf6 Kc6 33.Ng8 Kd6+-) 30...Kd7 31.h3 Rg7 32.Rf2 (32.c4 Kc7+-) 32...Re7 (32...Kc7 33.c4+-) 33.Rd2 Kc7 34.Nf6 Nd8 (34...Re6 35.Nd5 Kb7+-) 35.Nd5 Kd6 36.Ne7 Ke7 37.Rd8! Kd8 38.h4 Ke7 39.h5 a5 (39...b5 40.g4 Kf6 41.Kf2+-) 40.g4 ab4 41.ab4 b5 42.c4! Kf7 (42...bc4 43.Kf1 Combination) 43.c5 Ke6 44.e4 Kd7 45.g3 Kc6 46.Kf2 (46.h6 Kb7 47.h7 Kc8 48.h8Q Kd7 49.g5 Kc7 50.g6 Kd7 51.Qh7 Kc6 52.g7 Kc7 53.g8Q Kc6 54.Qe6) 46...Kd7 47.Ke3 (47.h6 Kc7 48.h7 Kc6 49.h8Q Kd7 50.g5 Kc7 51.g6 Kd7 52.Qh7 Kc6 53.g7 Kc7 54.g8Q Kc6 55.Qe6) 47...Kc6 (47...Ke7 48.h6 Ke6 49.h7 Kd7 50.h8Q Ke6 51.c6 Kf7 52.c7 Ke7 53.c8Q Kf7 54.Qce8) 48.Kf3 (48.h6 Kb7 49.h7 Kc8 50.h8Q Kb7 51.Qd8 Ka7 52.c6 Ka6 53.Qa5) 48...Kd7 49.g5 (49.h6 Kd8 50.h7 Kc8 51.h8Q Kb7 52.Qd8 Ka7 53.c6 Ka6 54.Qa5) 49...Ke6 50.g6 Kf6 (50...Kd7 51.g7 Kd8 52.g8Q Kd7 53.h6 Kc7 54.Qf7 Kc6 55.Qd5 Kc7 56.h7 Kb8 57.h8Q Kc7 58.Qhd8) 51.g4 (51.c6 Kg7 52.c7 Kf8 53.c8Q Kg7 54.Qf5 Kh6 55.Kg4 Kg7 56.Qf7 Kh8 57.Qf8) 51...Kg7 (51...Ke7 52.h6 Ke8 53.h7 Kd8 54.h8Q Kd7 55.Qh7 Kc6 56.g7 Kc7 57.g8Q Kc6 58.Qe6) 52.g5 (52.c6 Kg8 53.c7 Kf8 54.c8Q Kg7 55.Qd7 Kh6 56.g7 Kh7 57.Qf7 Kh6 58.Qg6) 52...Kh8 (52...Kf8 53.h6 Ke7 54.h7 Ke8 55.h8Q Kd7 56.Qh7 Kc6 57.g7 Kc7 58.g8Q Kc6 59.Qe6) 53.Kg4 (53.c6 Kg8 54.c7 Kf8 55.c8Q Kg7 56.Qd7 Kg8 57.Qf7 Kh8 58.Qf8) 53...Kg8 (53...Kg7 54.c6 Kf8 55.c7 Ke8 56.c8Q Ke7 57.g7 Kd6 58.g8Q Ke7 59.Qge6) 54.Kf5 (54.c6 Kf8 55.c7 Ke8 56.c8Q Ke7 57.g7 Kd6 58.g8Q Ke7 59.Qge6) 54...Kh8 (54...Kf8 55.Ke6 Ke8 56.g7 Kd8 57.g8Q Kc7 58.Qf7 Kb8 59.c6 Kc8 60.Qd7 Kb8 61.Qb7) 55.Ke5 (55.c6 Kg7 56.c7 Kf8 57.Kf6 Ke8 58.c8Q) 55...Kg8 (55...Kg7 56.Kd6 Kg8 57.h6 Kf8 58.c6 Ke8 59.h7 Kf8 60.h8Q) 56.Kd6 Kf8 (56...Kg7 57.c6 Kf8 58.h6 Ke8 59.h7 Kf8 60.h8Q) 57.Kc6 (57.h6 Kg8 58.c6 Kf8 59.c7 Ke8 60.c8Q) 57...Kg8 (57...Ke7 58.Kd5 Ke8 59.h6 Ke7 60.c6 Kd8 61.h7 Kc8 62.h8Q Kc7 63.Qg7 Kc8 64.Qd7 Kb8 65.Qb7) 58.Kb5 (58.h6 Kf8 59.Kd7 Kg8 60.c6 Kf8 61.c7 Kg8 62.c8Q) 58...Kf8 59.e5 (59.h6 Ke7 60.h7 Kd7 61.h8Q Ke7 62.g7 Kd7 63.g8Q Ke7 64.Qe8) 59...Ke7+- 60.h6 Ke6 (60...Kd7 61.g7 Ke6 62.g8Q Kf5 63.Qc4 Kg6 64.Qf4 Kh5 65.h7 Kg6 66.h8R Kg7 67.Qf6) 61.h7 Ke5 ½-½. Gehaktbalmetjus (2075) - tracbac (2095), Rated Bullet game, lichess.org, 2020.

6.Be2 cd4+= 7.Bh5 gh5 8.Qh5 Qc7!? 9.Bd4 Bd4 10.ed4 Qc2+=.

6.Be2 cd4 7.Bh5 gh5 8.Qh5 d5 9.Bd4+/- Bd4 10.ed4 Nc6 11.c3 (11.Nf3 e6+/-) 11...Qd6 12.Nf3 Rg8 13.g3 Bg4 14.Qh7 0-0-0 (better 14...Qe6 15.Kd2 0-0-0=) 15.Ne5?? (15.Qd3+=) 15...f5?? (better 15...Ne5!? 16.de5 Qe5 17.Kd2 d4-+) 16.Nf7?? (better 16.Ng4 fg4 17.Qf5 e6 18.Qd3+/-) 16...Qe6-/+ 17.Ne5?? (better 17.Kd2 Rdf8 18.h4-/+) 17...Ne5-+ 18.de5 Rh8 19.Qg7 Rdg8 20.Qh8 (20.Qg8 Rg8 21.0-0-+) 20...Rh8 21.0-0 (21.Kd2 Qb6 22.Kc2 Qf2 23.Nd2 Rh2 24.Rh2 Qh2-+) 21...Bh3 (21...Rh2 22.Nd2 Qh6 23.f4 Qh3 24.c4 Qg3) 22.Re1 Qc6 (better 22...d4 23.c4 Qc6-+) 23.f4 (23.Ra2 f4 24.Rae2 d4-+) 23...d4! 24.Nd2 (24.cd4 Qg2 Mate attack) 24…Qg2 0-1. Gehaktbalmetjus (2105) - Kxela (2080), Rated Bullet game, lichess.org, 2019.

6.Be2 cd4+= 7.Bh5 gh5 8.Qh5 e5 9.ed4+/- ed4 10.Nf3 Qe7 11.Kd1 0-0 12.Re1 Qf6 (12...Qd6!?+/-) 13.Bd4+- Qg6 14.Qg6 fg6 15.Bg7 Kg7 16.Re7 Rf7 17.Rf7 Kf7 18.Nbd2 (18.Nc3 Nc6+-) 18...Nc6 (18...d5 19.c4 dc4 20.Nc4+-) 19.Nc4 (better 19.c4!?+-) 19...d5+/- 20.Nd6 Ke6 (20...Ke7 21.Nc8 Rc8 22.Kd2+/-) 21.Nc8 (21.Ne8 Kd7 22.Nf6 Kd6+-) 21...Rc8 22.Kd2 Ne5?? (better 22...Kf5+/-) 23.Re1+- Kd6 24.Re5 Rf8 25.Re3 h6 26.Rd3 g5 27.h3 h5 28.c4 g4 29.Rd5 Kc6 (29...Ke7 30.Ne1 Rf2 31.Kd3 Rf1+-) 30.hg4 (30.Nd4 Kb6 31.Rb5 Ka6 32.Ra5 Kb6 33.c5 Kc7 34.Ne6 Kb8 35.Nf8 gh3 36.gh3 a6+-) 30...hg4 (30...Rg8 31.Rh5 Rg7 32.Ne5 Kd6 33.f4+-) 31.Ne5 (better 31.Nd4 Kb6 32.Rb5 Ka6 33.Ra5 Kb6 34.c5 Kc7 35.Ne6 Kc6 36.Nf8 g3+-) 31...Kc7 32.Ke2 (32.Ng4 Rf4 33.Rc5 Kd6+-) 32...Re8 (32...g3 33.fg3 Rf6 34.g4+-) 33.f4 (33.Ke3 Rg8+-) 33...gf3 34.gf3 Rh8 35.f4 Rh2 36.Ke3 Rh3 37.Ke4 (better 37.Nf3 Rh6+-) 37...Rb3 (37...Ra3 38.f5 Ra6 39.Nd7+-) 38.Kf5 (better 38.f5 Ra3 39.f6 Ra6+-) 38...Ra3 39.Rc5 (39.Ke6 a5 40.Ra5 Re3+-) 39...Kd6 (39...Kd8+-) 40.Rd5 Ke7?? (40...Kc7 41.Ke6 Ra6 42.Ke7 b5 43.Rc5 Kb7 44.Rb5 Kc7+-) 41.Ng6 (better 41.Rd7!? Kf8+-) 41...Kf7 (41...Ke8 42.Rb5 b6 43.Ke6+-) 42.Rd7 Ke8 43.Re7 (43.Rb7 Kd8+-) 43...Kd8 44.Rb7 Rg3 (44...Kc8 45.Rh7 Kb8 46.b5+-) 45.Ra7 Kc8 46.Ne5 Kb8 47.Nc6 (47.Re7!? Rb3+-) 47...Kc8 48.Ne7 Kd8 (48...Kb8 49.Rd7 Rb3+-) 49.Nc6 (better 49.c5 Rh3 50.c6 Ke8+-) 49...Kc8 50.Rf7 Rg8 (50...Rg1 51.Ne5+-) 51.Kf6 (better 51.Ne7 Kc7 52.Ng8 Kd6 53.Ne7 Kd7 54.Nd5 Kc6 55.Rc7 Kd6 56.Ke4 Ke6 57.f5 Kd6 58.c5) 51...Rf8 (51...Rg6 52.Ke5 Re6 53.Kd5 Rd6 54.Ke4 Rc6+-) 52.f5 (52.Ne7 Kb7 53.Rf8 Ka7 54.Nc8 Kb7 55.Nd6 Kb6 56.c5 Kc6 57.Ke6 Kc7 58.Rc8) 52...Rf7 53.Kf7 Kc7 54.Ke6 Kb6 55.f6 Kc7 (55...Kc6 56.f7 Kb6 57.Kd6 Kb7 58.f8Q Kb6 59.Qc8 Ka7 60.b5 Kb6 61.Qc7) 56.f7 (56.Kd5 Kb6 57.f7 Kb7 58.b5 Kc8 59.f8Q Kc7 60.Qd8 Kb7 61.Qb8) 56...Kb7 (56...Kc6 57.f8Q Kc7 58.Qg7 Kc6 59.Qd7 Kb6 60.Kd6 Ka6 61.Kc7 Ka7 62.Qa4) 57.f8Q (57.b5 Kc7 58.f8Q Kb6 59.Qd8 Kb7 60.Qb8) 57...Kb6 (57...Kc6 58.Qc8 Kb6 59.Kd6 Ka7 60.b5 Kb6 61.Qc7) 58.Qb8 (58.b5 Kc7 59.Qb8) 58...Kc6 59.Qc7! (59.Qc7 Kc7 60.Kd5+-) 1-0. Gehaktbalmetjus (2040) - karakartal__1903 (2100), Rated Bullet game, lichess.org, 2020.

4.a4 0-0

5.b5 (--> 3.b5 Bg7 4.a4 0-0 5.e3).

5.Nf3 a5 6.b5 d5=.

5.Nf3 d5 6.Be2 a5 7.b5 Nbd7 8.d4 c6 9.Nbd2 cb5 10.ab5 b6 11.0-0 Bb7 12.c4 dc4 13.Bc4 Rc8 14.Qb3 Ne4? (better 14...e6+=) 15.Ne4+- Be4 16.Bf7! Rf7 17.Ng5 e6 (17...Qe8 18.Ne4 Kh8 19.Rfc1 Rc1 20.Rc1+-) 18.Ne4 Qe7? (better 18...Nf6 19.Ng5 Re7 20.Ne6 Qd5 21.Qd5 Nd5 22.Ng7 Kg7+-) 19.Ba3 (19.Ba3 Qd8 20.Nd6+-) 1-0. onur604 (2320) - Shakarim (2300), Casual Rapid game, lichess.org, 2021.

5.Nf3 d6 6.c4 a5 7.b5 b6 8.Be2 Bb7 9.0-0 e5 10.d4 Nbd7 11.Re1 h6 12.Nc3 Qe7 13.Qc2 Rae8 14.h3 Nh7 (14...Bf3 15.Bf3 (worse 15.gf3 ed4 16.ed4 Nh5=+) 15...ed4 16.ed4 Qe1 17.Re1 Re1 18.Kh2=) 15.Red1 Ng5 16.Ng5 (16.Nd5!? Nf3 17.Bf3+=) 16...Qg5= 17.d5 f5 18.Bc1 e4 19.Bb2 Ne5 20.Kh1 Bc8 21.Kh2 Qh4 22.Bf1? (better 22.g3 Qg5 23.Rac1=) 22...f4-+ 23.ef4 Qf4 24.Kg1 (24.Kh1 Qf2 25.Rac1 Nd3 26.Bd3 ed3 27.Qf2 Rf2-+) 24...Bh3 25.Ne2?? (25.Ne4 Bf5 26.f3 Nf3 27.gf3 Qf3 28.Qg2 Qe3 29.Qf2 Qe4 30.Bg7 Kg7 31.Bg2-+) 25...Qf2 26.Kh1 Bg4 (26...Bg2 27.Bg2 Qh4 28.Bh3 Qh3 29.Kg1 Nf3 30.Kf2 e3) 27.Ra3 (27.Bd4 e3 28.Be3 Qe3-+) 27...Rf5 28.Bd4 (28.Rh3 Bh3 29.gh3-+) 28...Rh5 29.Rh3 Rh3 30.gh3 Bf3 31.Bg2 Qg2 0-1. Antokpemainkuat (2290) - Arifars17 (2445), Turnamen Internal PCO, lichess.org, 2020.

5.h4 a5 6.b5=+.

5.h4 d5 6.Be2 h5 (6...Qd6 7.b5=+) 7.c4 (7.Nf3 Bf5=) 7...Be6 (7...dc4 8.Bc4 Nc6 9.b5-/+) 8.c5=+ Na6 (8...a5 9.b5=+) 9.Ba6= ba6 10.d4 (10.Nf3 Rb8=+) 10...Rb8 (10...a5 11.b5=+) 11.Ba3 c6 (11...a5 12.b5=+) 12.Ne2 (12.Nc3 Bd7=) 12...a5=+ 13.b5 cb5 14.ab5 Rb5 15.Nbc3 Rb8 16.0-0 Bd7 17.Qd2 Qc7 18.Nf4 Bc6 19.Qa2 (19.Rfb1 Rb1 20.Rb1 Rb8=+) 19...Qd7 (19...e5 20.de5 Qe5 21.Rac1=+) 20.Bc1 (20.Rfb1 a4=+) 20...a4 21.Nd3 Qg4 22.f3 Qh4=+ 23.Ne5 Ng4 24.fg4= Be5 25.de5 hg4 26.Ne2? g3-+ 27.Ng3 Qg3 28.Qf2 Qe5 29.Ba3 Rb3 30.Ra2 Qe3 31.Qe3 Re3 32.Kf2 Rb3 33.Bc1 f6 34.Rh1 Rfb8 35.Re2 R8b7 36.Re6 a3 37.Ba3?? Ra3-+ 38.Rc6 Rb2 39.Kg1 Ra1 40.Kh2 Rh1 41.Kh1 Kf7 42.Kg1 Rc2 43.Rc7 a5 44.c6 a4 45.Ra7 Rc6 46.Ra4 Rc2 47.Kh2 e5 48.Kg3 d4 (49.Rb4 f5-+) 0-1. Eckhoff,Karlheinz (1715) - Nadlinger,G (1970), Finkenstein op, 1996.

4.a4 a5

4.b5 0-0

5.a4 (--> 3.b5 Bg7 4.a4 0-0 5.e3).

5.Bd3 b6 6.Qf3 d5 7.h3 Bb7 8.Ne2 Qc8 9.Ng3 d4 10.e4 e5 11.Qe2 Nbd7 12.c3 c5 13.bc6 Bc6 14.Na3 a6 15.h4 h5 16.cd4 ed4 17.Rc1 Qb7 18.Bd4 Rfe8 19.Bf6 Nf6 20.Rc6? Qc6–+ 21.0-0 b5 22.Kh1 Rad8 23.Qf3 Ng4 24.Ne2 Ne5 25.Qg3 Rd3 26.Rc1 Rg3 27.fg3 Qe4 28.Nf4 Ng4 (28...Ng4 29.Ne6 Re6 30.Nc2 Qc2 31.Rf1 Qc7 32.a3 Qg3 33.Rf7 Qh2) 0–1. xorb – Salvatore, ChessWorld.net, 2011.

5.d4 b6 6.c4 Bb7 7.a4 a6 8.Nf3 ab5 9.cb5 d6 10.Nc3 Nbd7 11.Qb3 (11.Be2 h6+=) 11...e5 (11...e6 12.Be2=) 12.Be2 (12.de5 Nc5 13.Qc4 de5 14.Ne5 Nfe4 15.Ne4 Be4=) 12...Re8 13.0-0 ed4 14.Nd4 Ne4 15.Rac1?? (better 15.Ne4 Be4 16.Rfc1=) 15...Nd2 (better 15...Bd4!? 16.ed4 Nc3 17.Qc3 Re2 18.Qc7 Bg2 19.Qd8 Rd8 20.Kg2 Rb2 21.Rc6-+) 16.Qa2 Nf1 17.Kf1 (17.Bf1 Qg5-+) 17...Qg5 (17...Bd4 18.ed4 Qh4 19.Kg1 Re2 20.Ne2-+) 18.Nf3 Qh5 19.h3 Nc5 20.Bc4 (20.Qc4 Qf5-+) 20...Bf3 (better 20...Qf5!? 21.Nd4 Bd4 22.ed4-+) 21.Bf7 Kh8 22.Be8 Bg2 (better 22...Re8 23.gf3 Nd3-+ (23...Qf3?! 24.Ne2-+)) 23.Kg2= Re8 24.Qd5?? (24.Nd5 Rf8 25.Bg7 Kg7 26.Qb2 Kh6=) 24...Qh4?? (24...Qd5 25.Nd5 Bb2 26.Rc2-+) 25.Qf3?? (25.Rc2=+) 25...Nb3 (better 25...Nd3 26.Nd5 Bb2-+) 26.Rd1 (26.Rc2 Qd8=) 26...Nc5 27.Rd5?? (27.Rc1 Nd3 28.Nd5 Bb2-+) 27...Qe7?? (better 27...Qb4 28.Nd1 Bb2 29.Nb2 Qb2-+) 28.Nd1 (28.Rd2 Qd8=) 28...Rf8 (28...Na4!? 29.Bg7 Kg7-/+) 29.Bg7=+ Qg7 30.Qg3 (30.Qg4 Qf7 31.Rd4 Nd7=) 30...Qe7 (30...Na4 31.Rd4 Nc5 32.Nc3-/+) 31.Nc3?? (31.Rd4 Qe6=) 31...Nd7?? (better 31...Na4 32.e4 Kg8-+) 32.Rd3 Ne5 33.Rd4 Rf3 34.Qh2? (34.Qh4 g5 35.Qh5 Qg7=) 34...Qf6?? (better 34...Qg5 35.Kh1 Qh5-/+) 35.Ne2?? (better 35.Rf4 Rf4 36.Qf4 Qf4 37.ef4=) 35...Rf2 36.Kg1 (36.Kg3 Qf3 37.Kh4 g5 38.Kg5 Qf6 39.Kh5 Rf5) 36...Rh2 (36...Rf1 37.Kg2 Qf3) 37.Nf4 Qf4! 38.Re4 (38.Rf4 Rh3 Combination; 38.ef4 Nf3 Double attack) 38…Qf2 0-1. ClayPigeons (2195) - HBJ91 (2215), Rated Bullet game, lichess.org, 2020.

5.d4 c6 6.c4 cb5 7.cb5 d5 8.a4 Bf5 9.Nc3 Nbd7 (9...Qa5 10.Nge2=+) 10.Qb3 (10.a5 Rc8=) 10...Nb6 (10...Rc8 11.a5= (11.Nd5? Nd5 12.a5 N7f6-+)) 11.Nf3 (11.a5 Nc8=) 11...e6 (11...Rc8 12.Rc1=) 12.Nh4 h5 (better 12...Rc8!?=) 13.Nf5 gf5 14.Be2 (14.a5 Nbd7+/-) 14...Ng4 (14...Qc7!?+=) 15.h3 Nf6 16.0-0 (16.a5 Nbd7+/-) 16...Rc8 17.Rfc1 Nc4 18.a5 Ne4 (better 18...Na5!? 19.Qa2 b6+=) 19.Ne4+- fe4 20.Bc4 dc4 21.Rc4 Qg5 (21...Qd5 22.Rac1+-) 22.Rac1 Rc4 23.Qc4 e5 (23...Ra8 24.Qc5 Qc5 25.Rc5+- (worse 25.dc5 Bb2 26.Rc4 Rc8-+)) 24.Qc5 h4 (24...a6 25.de5 Re8 26.Qb6+-) 25.de5 Kh8 (25...Qd8 26.e6 b6 27.ab6 ab6 28.ef7 Rf7 29.Qc8 Qc8 30.Rc8 Kh7 31.Bg7 Kg7 32.Rc6+-) 26.Qd5 (26.Qa7 Qe7 27.Bd4 Be5 28.Be5 Qe5 29.Qb7 Kg7+-) 26...Rg8 (26...Qd8 27.Qb7 Qa5 28.Bd4+-) 27.Qe4 Bf8 (27...Rb8 28.Rc7 Qg6 29.Qh4 Kg8 30.Bd4+-) 28.Rc4 (28.e6 f6 29.e7 Be7+-) 28...Be7 (28...Rg7 29.Rc8 Rg8 30.e6 f6 31.e7 Be7 32.Rg8 Kg8 33.Qe7+-) 29.e6 f6 30.Rc7 Rg7 31.Qf3 (better 31.Rb7 Bd8 32.e7 Be7 33.Re7 Re7 34.Qe7+-) 31...Qb5 (31...Kg8+-) 32.Re7! Re7 (32...Re7 33.Qf6 Mate attack) 33.Qf6 Rg7 (33...Kh7 34.Qe7 Kg6 35.Qg7 Kh5 36.Qh7 Kg5 37.f4) 34.Qg7 1-0. ClayPigeons (2170) - LarsBrobakken (2275), Rated Bullet game, lichess.org, 2019.

5.d4 d6 6.Be2 Nbd7 7.Nf3 a6 8.0-0 ab5 9.Bb5 c6 10.Be2 c5 11.a4 b6 12.d5 Ba6 13.c4 Ne4 (13...h6 14.Nc3+=) 14.Bg7 Kg7 15.Nfd2 Ndf6 16.Ne4 Ne4 17.Qc2 f5 18.Ra3 Bb7 (18...Bc8 19.Nc3+=) 19.Bd3 Nf6 20.Nc3 Qd7 21.Qb2 e5 22.de6 Qe6 23.Qb6 Bg2? (better 23...Qd7 24.Qb2 Ra5+/-) 24.Kg2+- Ng4 (24...f4 25.Be2+- (25.ef4?! Qg4 26.Kh1 Qf3 27.Kg1 Qd3=)) 25.Be2 White prepares the advance a5 25...Qe5 26.Bg4 fg4 27.a5 Rf3 (27...Rf7+-) 28.Qb7 Kh6 29.Qa8 Qh5 (29...Qf6 30.Qc8 Qe7 31.a6+-) 30.a6 Qh3 31.Kg1 Kh5 32.a7 g3 33.Qf3 (33.Qf3 Qg4 34.a8Q d5 35.Qad5 g5 36.Qdf7 Kh4 37.Qh7 Qh5 38.Qfh5) 1-0. Pierre – Thilly, internet, 2022.

5.Ne2 d5 6.Ng3 Bd7 7.c4 dc4 8.Bc4 c6 9.a4 b6 (9...Qc7 10.d3=) 10.0-0 (better 10.d4=) 10...c5?? (10...a6 11.bc6 Bc6 12.Nc3=) 11.Nc3?? (11.Qf3 Na6 12.ba6 Rc8+-) 11...Qc8? (better 11...a6+=) 12.Qf3+- Nc6 13.bc6 Bc6 14.Bd5?? (better 14.Qe2+-) 14...Nd5-/+ 15.Nd5 Bd5 16.Qd5 Bb2 17.Rab1 Bg7 18.Rfc1 (18.Rfd1 Qg4 19.a5 Rad8-/+) 18...Qd8 (18...Rd8 19.Qe4 Rd2 20.Qe7-/+) 19.Qa2 Qd3 (19...Qd7 20.a5-/+) 20.Rb3 Qd7 21.Ne4 (21.d3 Be5-/+) 21...Rfd8 (21...Rac8-/+) 22.Rc4 (better 22.d3!?-/+) 22...Qd5–+ 23.Qc2 (23.Rb1 f5 24.Ng5 Qd2–+) 23...f5 24.Ng5 (24.Ng3 Qd2 25.Qd2 Rd2–+) 24...Qd2 25.Qd2 (25.Kf1 Qc2 26.Rc2 Rd6–+) 25...Rd2 The mate threat is Rd1 26.Kf1 Rad8 27.Ne6 (27.Nf3 Ra2 28.Ke1 e6–+) 27...Rd1 28.Ke2 R8d2 29.Kf3 Ra1 (better 29...Rf1 30.Kg3 Rff2 31.Ng7 Rg2 32.Kh3 Rh2 33.Kg3 Kg7 34.e4–+) 30.Ng7 Kg7 31.Rbc3 (31.g4 Rf1 32.gf5 Rdf2 33.Kg3 Rf5 34.Kg2–+) 31...Raa2 32.a5 (32.Kf4 Kf6 33.Kg3 Rf2–+) 32...Rf2 33.Kg3 Rg2 34.Kf4 (34.Kh4 Rh2 35.Kg3 g5–+) 34...Rh2 (better 34...Kf6!? 35.Rc2 Rgc2 36.Rc2 Rc2 37.ab6 Rh2 38.Kf3 ab6 39.e4–+) 35.ab6 (35.e4 Kf6 36.e5 Ke6 37.ab6 ab6–+) 35...Rh4 (better 35...Kf6 36.Kg3 g5 37.Rc2 Rac2 38.Rc2 Rc2 39.ba7–+) 36.Ke5 Rc4 37.Rc4 ab6 38.Ke6 (38.Rc3 Ra4–+) 38...Re2 39.Rc3 (39.Ke7 Re3 40.Kd6 g5–+) 39...h5 (39...f4 40.Kd5 Re3 41.Rc1–+) 40.Ke7 (40.Kd5 e6 41.Kc4 h4–+) 40...h4 (40...f4!? 41.Kd6 Re3 42.Rc2–+) 41.Kd6 h3 42.e4 (42.Kc6 h2 43.Rc1 c4–+) 42...h2 43.Rc1 fe4 44.Rh1 Rb2 (better 44...Rd2 45.Ke5 e3 46.Kf4–+) 45.Ke5 e3 46.Ke4 e2 47.Ke3 (47.Kd3–+) 47...c4 48.Kf2 c3 49.Rh2 b5 (49...c2 50.Ke3 c1Q 51.Kd4 Qd2 52.Ke4 e1Q 53.Kf3 Qee3 54.Kg4 Qdd4) 50.Rh1 (50.Rh3 b4 51.Rh4 c2–+) 50...b4 (better 50...e1Q!? 51.Ke1 Rb1 52.Ke2 Rh1 53.Kd3–+) 51.Rc1 Rd2 52.Ke1 Rd1! 53.Rd1 ed1Q 54.Kd1 g5 55.Kc2 g4 56.Kb3 g3 57.Kb4 (57.Kc2 g2 58.Kd1 g1Q 59.Ke2 c2 60.Kd3 c1Q 61.Ke4 Qge3 62.Kd5 Qcc5) 57...c2 58.Kc3 (58.Kc5 c1Q 59.Kd6 Qc4 60.Kd7 g2 61.Kd6 g1Q 62.Kd7 Qgd4 63.Ke7 Qe2) 58...c1Q 59.Kd3 (59.Kd4 g2 60.Kd5 g1Q 61.Kd6 Qd4 62.Ke6 Qce3 63.Kf5 Qde4) 59...Qe1 (59...g2 60.Kd4 g1Q 61.Ke5 Qge3 62.Kd6 Qcc5 63.Kd7 Qee7) 60.Kd4 g2 61.Kd5 (61.Kc4 Qe4 62.Kb3 g1Q 63.Ka2 Qgb1 64.Ka3 Qeb4) 61...g1Q 62.Kd6 (62.Kc6 Qc3 63.Kd5 Qgc5 64.Ke4 Q3e3) 62...Qd4 (62...Qb6 63.Kd5 Qee6) 63.Kc6 Qec3 64.Kb5 Qdb4 65.Ka6 Qc6 (65...Qa1) 66.Ka7 Qbb7 (66...Qbb6) 0–1. aravind555 (1665) – Mazafanka (1650), lichess.org, 2019.

5.Ne2 e6 6.Ng3 d5 (6...d6 7.Be2=) 7.Be2 c6 (7...a6 8.ba6 b6 9.0-0=) 8.0-0 (8.a4 a6=) 8...cb5 9.Bb5 Bd7 10.Bd7 (10.a4 Nc6=) 10...Nbd7 11.d4 (11.Nc3=) 11...Ne4 (11...Qc7 12.Nd2=+) 12.Nd2 (12.Ne4!? de4 13.Nd2=) 12...Ng3=+ 13.fg3 e5 (13...Rc8 14.Ba3 Re8 15.Rb1=+) 14.c4= ed4 (14...Qg5 15.Qe2=) 15.Bd4 (worse 15.ed4 Qb6 16.Rb1 Bd4 17.Bd4 Qd4 18.Kh1 dc4-/+) 15...Bd4 16.ed4 dc4 (16...Rc8 17.cd5 Qg5 18.d6=) 17.Nc4 Nb6 (17...b5 18.Ne3=) 18.Nb6+= Qb6 19.Kh1 (19.Rb1!? Qc6 20.Qf3 Qf3 21.gf3+=) 19...Rad8= Attacking the isolated pawn on d4 20.d5 (20.Rf4!?=) 20...Qc5-/+ 21.Qb3 (21.Rc1 Qd5 22.Qa4-/+) 21...b6 (21...Qd5 22.Qa4-/+) 22.Rac1 (22.Rad1 Rd7=) 22...Qd6 (22...Qd5!? 23.Qa4 Qb7-/+) 23.Rfd1 (23.Qa4 Qd7 24.Qa6 Rfe8=) 23...Rd7 (23...Rfe8 24.a3=) 24.Rc6 Qe5 25.Qc3 (25.d6 Re8 26.Kg1 Qa5=) 25...Qe2 (better 25...Rd5 26.Qf3 Rd1 27.Qd1 Re8–+) 26.Qd2= White plans d6 26...Qe5 (26...Re8 27.h3=) 27.d6 Rfd8 (27...Re8 28.a3=) 28.Kg1 (28.a3 Qe4 29.Qc1 Qg4=) 28...h5 (28...Qe4 29.Qd5 Qe3 30.Kf1=) 29.Qd5 (29.a3 Re8+=) 29...Qe3 (29...Qe2 30.h3+=) 30.Kh1 (30.Kf1 Re8 31.Qd3 Qe5=) 30...Re8 Threatening mate... how? 31.Rcc1 (31.Rf1!?=) 31...Re6-/+ 32.Rc8 (32.Rf1 Qe2 33.Qd4 Qa6-/+ (33...Red6 34.Rc8 Rd8 35.Rd8 Rd8 36.Qd8 Kg7 37.Qf6 Kh6 38.Qh8 Kg5 39.h4 Kg4 40.Qd4 Qe4 41.Qe4 Kg3 42.Rf3)) 32...Kh7 Threatening mate... how? 33.Qd4?? (better 33.Rf1-/+) 33...Qd4–+ 34.Rd4 Re1 0–1. aravind555 – Oderlei (1635), lichess.org, 2019.

5.Nf3 Re8 6.Be2 d5 7.a4 Bf5 8.0-0 Nbd7 (8...a6 9.d3=) 9.Nd4+= e5 (9...Ne4 10.Nc3+=) 10.Nf5 gf5 11.c4 (11.Nc3 c5+=) 11...dc4 12.Bc4 Nb6 13.Bb3 Qe7 (13...e4 14.a5 Nbd5 15.d4+=) 14.d4 Rad8 15.Qf3 (15.a5 Nbd5+-) 15...e4 (15...Ne4!?+=) 16.Qf5+- Nbd5 (16...Qb4 17.Ra3+-) 17.Nd2 (17.Nc3 Qe6 18.Qe6 Re6+-) 17...Qb4 (17...Qe6 18.Qg5+-) 18.Rfd1+- Re6 (18...Qd6!?+-) 19.Ba3 Qa5 20.Rac1 Nc3?? (20...c6+-) 21.Nc4 (21.Be6?! Nd1 22.Rd1 Qa4+-) 21...Rd5 (21...Ne2 22.Kh1 Qc3 23.Rc3 Nc3 24.Ne5+-) 22.Na5 Rf5 (22...Ne2 23.Kf1 Rf5 24.Rc7+-) 23.Rc3 (23.Rc3 b6 24.Be6 fe6 25.Rc7 ba5 26.Ra7+-) 1–0. onur604 (2320) – Mobashi (2110), lichess.org, 2020.

5.c4 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 c5 9.Nf3 e6 10.Be2 d5 11.0-0 dc4 12.Bc4 Nbd7 13.d4 Nb6 14.Be2 cd4 15.ed4 Nfd5 16.Nc3 Bd7 17.Nd5 Nd5 18.Qb3 Qb6 19.h3 Rc8 20.Bc4 h6 21.Bb2 Kh7 22.Bd5 ed5+= 23.Qd5 Bb5 24.Rc1 Bc6 25.Qf7?? Qb2–+ 26.Re1 Bf3 27.gf3 Qd4 28.Re7 b5 29.Rd7 Qa1 30.Kg2 b4 31.Rb7 Qb2 32.Qd7 Rf8 33.Qd6 Kh8 34.Rb4 Qc3 35.Rf4 Rf4 36.Qf4 Qe5 37.Qg4 Kh7 38.f4 Qe4 39.f3 Qe2 40.Kg3 Qd1 41.f5 Qg1 42.Kf4 g5 43.Ke4 Qd4 0–1. lousse (1605) – greg1123 (1870), kurnik, 2011.

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Nf3 cb5 10.cb5 d6 11.Bf6 ef6 12.d4 f5 13.Be2 Qa5 14.Qd2 Qd2 15.Nbd2 Nd7 16.0-0 Nf6 17.Nc4 d5 18.Nd6 Ne4 19.Ne4 fe4 20.Nd2 Bd7 21.Rc1 Ra8 22.Nb3 Ra2 23.Bf1 Rb2 24.Nc5 Bb5 25.Nb7 Bf1 26.Kf1 Rb7 27.Rc5 Rd7 28.f4 ef3 29.gf3 h5 30.Kg2 Bh6 31.f4 Bf8 32.Rc8 Kg7 33.Kf3 Ra7 34.Rd8 Ra5 35.h3 Bb4 36.Re8 Bd2 37.Re5 Ra3 38.f5 f6 39.Rd5 Re3 40.Kf2 g5 41.Rd7 Kf8 42.Rh7 h4 43.d5 Rd3 44.Ke2 Rd5 45.Rh8 Kg7 46.Re8 Bc3 47.Re6 Be5 48.Ke3 Ra5 49.Ke4 Ra3 0–1. olawoj – darbill, kurnik, 2012.

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Nf3 d5 10.cd5 Nd5 11.Bg7 Kg7 12.Be2 Qa5 13.Nd4 c5 14.Nb3 Qb4 15.0-0 c4 16.Nd4 e5 17.Nc2 Qb5 18.Nc3 Nc3 19.dc3 Qc6 20.Nb4 Qc5 21.Qd5 Qd5 22.Nd5 b5 23.Nc7 Bd7 24.Rb1 Rc8 25.Nb5 Bb5 26.Rb5 Nd7 27.g3 Rc7 28.Rb4 f5 29.Bc4 Nb6 30.Rb6 Rc4 31.Rb7 Kh6 32.Rb3 e4 33.Kg2 Kg5 34.f3 ef3 35.Kf3 Kf6 36.h4 h6 37.Ke2 g5 38.h5 Ke5 39.Rb5 Ke4 40.Rb4 Kd5 41.Kd3 Rc5 42.Rd4 Ke5 43.c4 Ra5 44.Ke2 Ra2 45.Rd2 Ra4 46.Rd5 Ke4 47.Rd4 Ke5 48.Kf3 g4 49.Ke2 Ra2 50.Kf1 Ra3 51.Ke2 Ra2 52.Rd2 Ra4 53.c5 Rc4 54.Rd6 Ke4 55.c6 Rc2 56.Kd1 Rc5 57.Rh6 Ke3 58.Re6 Kf3 59.h6 Kg3 60.h7 Rd5 61.Ke2 Rd8 62.c7 Rc8 63.Rg6 f4 64.Rg8 f3 65.Ke3 f2 66.Rc8 f1Q 67.h8Q Qe1 68.Kd4 Qd2 69.Ke5 Qe3 70.Kf5 Qd3 71.Kf6 Qd6 72.Kg7 Qe5 73.Kh7 Qf5 74.Kh6 Qf4 75.Kg7 Qe5 76.Kg6 Qe6 77.Qf6 Qe4 78.Qf5 Qc6 79.Kg5 Qc1 80.Kh5 Qh1 81.Kg6 Qd1 82.Rf8 Qe2 83.c8Q 1–0. avinoam – popovicigelu, kurnik, 2012.

6.a4 ab5 7.ab5 b6?? 8.Ra8+- Bb7 9.Ra2 c6 10.Nf3 cb5 11.cb5 d5 12.Be2 Nbd7 13.0-0 e6 14.d4 Qe8 15.Ne5 Ne5 16.de5 Nd7 17.f4 Nc5 18.Nc3 Qe7 19.Ra7 Qh4 (19...Qd8 20.Qc2+-) 20.g3 (20.Na4 Ra8 21.Ra8 Ba8 22.Nb6 Qd8+-) 20...Qh3 (20...Qd8 21.Qc2+-) 21.Qc2 (21.Ba3 d4 22.Rb7 Nb7 23.Bf8 dc3+-) 21...d4 22.ed4 (better is 22.Bg4! Qg4 23.ed4 Be5 24.de5+-) 22…Qg2# 0–1. ariank – wafel1964, kurnik, 2012.

5.c4 b6

6.d4 d5 7.Nd2 a6 8.a4 dc4 9.Bc4 Bb7 10.Ngf3 Ne4 11.Ne4 Be4 12.0-0 c5 13.Be2 ab5 14.ab5 Nd7 15.Qb3 cd4 16.Ra8 Qa8 17.Ra1 Qb7 18.ed4 e6 19.g3 Bd5 20.Qe3 Rc8 21.Rc1 Rc1 22.Bc1 h6 23.Bb2 Qc7 24.Qc3 Qc3 25.Bc3 Kf8 26.Nd2 Ke7 27.Bf3 Nf6 28.Kf1 Bf3=+ 29.Nf3 Nd5 30.Bd2 Nc7 31.Bb4 Kd7 32.Ne5 Be5 33.de5 Nb5 34.Bd2 Nc7 35.Bh6= Kc6 36.Ke2 Kd5 37.f4 b5 38.Bf8 Ke4 39.h4 Nd5–+ 40.Ba3 b4 41.Bb2 b3 42.g4? Nf4 43.Kd2 Kf3 44.h5 gh5 45.gh5 Nh5 46.Kc3 Ke4 47.Kb3 Nf4 48.Kc4 Nd3 49.Bd4 Ne5 50.Be5 Ke5 (50...Ke5 51.Kc5 f5–+) 0–1. popovicigelu – dushegubka (1695), kurnik, 2011.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 cb5 11.cb5 Bb7 12.0-0 d6 13.Nc3 Nfd7 14.d4 e5 15.d5 Nf6 16.e4 Nbd7 17.Na4 Nc5?? 18.Nc5+= bc5 19.Qb3 Ne4=+ 20.Bb2 Qb6 21.Ra1 Ra8 22.Ra8 Ba8 23.Bc4 h6 24.Qd3 f5 25.Nh4 Kh7 26.f3 Ng5 27.g4? e4 28.fe4=+ Bb2 29.ef5 Bd4 30.Kg2 Qa5 31.fg6 Kg7 32.Nf5+/– Kg8 33.Nh6 Kg7 34.Nf5 Kg6?? 35.Nd4 Kg7 36.Nf5 Kf8 37.Nd6 Ke7 38.Nf5 Kd7 39.Ng7 Qe1 40.Qf5 Ne6 41.Qe6 Qe6 42.Ne6 Kd6 43.Nc5! Kc5 44.Ba2 Kb5 45.Kf3 Kc5 46.Ke4 Kd6 47.g5 Ke7 48.h4 Kf8 49.h5 Kg7 50.Ke5 Bb7 51.d6 Bc8 52.Be6 Be6 53.Ke6 Kh7 54.d7 (54.d7 Kg8 55.Kf6 Kh7 56.Kf7 Kh8 57.d8Q Kh7 58.Qg8#; 54.Kf7 Kh8 55.Kg6 Kg8 56.d7 Kf8 57.d8Q#) 1–0. bentwhistle – rryy44, kurnik, 2011.

6.Nf3 Bb7 7.Be2 e6 8.0-0 d5 9.cd5 Nd5 10.Bg7 Kg7 11.Nd4 Nd7 12.Bf3 e5 13.Nc6 Bc6 14.bc6 N7f6 15.d4 e4 16.Be2 Qd6 17.Qc2 Nb4 18.Qb3 Nc6 19.Nc3 Na5 20.Qb1 c5 21.Ne4 Ne4 22.Qe4 cd4 23.ed4 Rad8 24.Qe5 Qe5 25.de5 Rd5 26.f4 Rfd8 27.Rac1 Rd2 28.Bc4 Nc4 29.Rc4 Ra2 30.Rc3 Rdd2 31.Rg3 h5 32.f5 h4 33.Rg4 h3 34.f6 Kg8 35.g3 Rg2 0–1. avinoam – matosicos, kurnik, 2012.

5.c4 c6

6.a4 cb5 7.ab5 d6 8.d4 Nbd7 9.Nc3 e5 10.Nf3 ed4 11.Nd4 Nc5 12.Be2 Nfe4 13.0-0 Nc3 14.Bc3 Bf5 15.Bf3 Be4 16.Bb4 Bf3 17.Qf3 (worse is 17.gf3 a5 18.Bc3 a4+=) 17...Nd3 18.Bd2 Ne5 19.Qb7 Qd7? (better is 19...Nc4!? 20.Qd5 Nd2+=) 20.Qd7+- Nd7 21.Ra6 Bd4? 22.ed4 d5 23.c5 f5 24.Bg5 Kf7 25.Rfa1 Rfb8 26.Ra7 Ra7 27.Ra7 Ke8 28.b6 h6 29.Bh6 Nf6 30.Bg5 Ne4 31.f4 Ng5 32.fg5 f4 33.Rg7 Kf8 34.Rg6 Kf7 35.Rf6 Ke7 36.Rf4 Ke6 37.Rf6 Ke7 38.h4 Rh8 39.g3 Ra8 40.Kf2 Ra2 41.Kf3 Ra4 42.Rf4 Rb4 43.h5 Rb3 44.Kg4 Ra3 45.Rf6 Rb3 46.Rd6 Rb4 47.Rd5 Ke6 48.Rd6 Ke7 49.Kf5 Rb3 50.g4 Rf3 51.Kg6 Rf8 52.d5 Rg8 53.Kf5 Rf8 54.Rf6 Rc8 55.c6 Rd8 56.Ke5 Rg8 57.g6 Ra8 58.b7 Rb8 59.Rf7 Ke8 60.h6 Rd8 61.h7 Rd5 62.Kd5 (62.Kd5 Kd8 63.b8Q#) 1–0. ariank – lucjanjawor, kurnik, 2012.

6.a4 d5 7.Nf3 Bg4 8.Be2 Bf3 9.Bf3 dc4 10.Qc2 Nd5 11.Bg7 Kg7 12.Qc4 Kg8 13.0-0 e6 14.Nc3 Nb6 15.Qa2 Nd5 16.Qb2 a6 17.Rfd1 Qf6 18.Bd5 cd5 19.d4 Nd7 20.ba6 ba6 21.a5 Rab8 22.Qd2 Qf5 23.Rdb1 Nf6 24.h3 Ne4 25.Ne4 Qe4 26.Rb6 Ra8 27.Rab1 e5 28.de5 Qe5 29.Qe2 d4 30.Ra6 Ra6 31.Qa6 de3 32.fe3 Qe3 33.Kh1 h6 34.Qb6 1–0. chybol3 – slaw123, kurnik, 2012.

6.Nf3 cb5 7.cb5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d6 11.Be2 Bg4 12.h3 Be6 13.0-0 Qb6 14.Qa4 Nbd7 15.Bd4 Qc7 16.b6 Qd8 17.Qb5 Nd5 18.Bg7 Kg7 19.Na3 N5b6 20.Rc1 Nd5 21.Nd4 b6 22.Nc6 Qa8 23.Qb2 Kg8 24.e4 Nf4 25.Ne7 1–0. chybol3 – manul, kurnik, 2012.

6.Nf3 cb5 7.cb5 Qb6 8.a4 a6 9.Be2 e6 10.Bd4 Qd6 11.0-0 ab5 12.ab5 Qb4 13.Ra8 Nc6 14.Bc3 Qd6 15.Qb3 Ne5 16.Be5 Qd5 17.Qd5 Nd5 18.Bg7 Ne3 19.Bf8 Nf1 20.Rc8 1–0. chybol3 – varsatorul, kurnik, 2012.

5.c4 d5

6.Nc3 c6 7.a4 Re8 8.Nf3 e5 9.Be2 d4 10.ed4 ed4 11.Na2 d3 12.Bf6 Qf6 13.Nc3 de2 14.Ne2 Re2 15.Qe2 Qa1 0–1. thecat74 – carlsbergowa, kurnik, 2012.

6.cd5 Nd5 7.Bg7 Kg7 8.Nf3 c5 9.Be2 a5 10.0-0 b6 11.Qb3 Bb7 12.Nc3 Nc3 13.Qc3 Kg8 14.d4 Nd7 15.dc5 Nc5 16.Rad1 Ne4 17.Qb2 (worse is 17.Rd8 Nc3 18.Rd2 Rfd8-/+) 17...Qc7 18.Rd4 Rfd8 19.Rd8 Rd8 20.Nd4 e5 21.Nf3 f6 22.Rc1 Qd6 23.h3 Nd2 24.Ne1 Qd5 25.Qc3 Kh8 26.Qc7 Rc8 27.Qc8 Bc8-/+ 28.Rc8 Kg7 29.Rc6? Qa2–+ 30.Rb6 Qb1 31.Ra6 Qe1 32.Kh2 Qf2 33.Ra5 Ne4 34.Ra7 Kh6 35.Bf3 Qg3 36.Kg1 Nf2 37.b6 Nh3 38.Kh1 Nf2 39.Kg1 (39.Kg1 e4 40.Ra2–+). renatus62 – giovanni5, kurnik, 2012.

6.Nf3 c6 7.a4 Bg4 8.Be2 Nbd7 9.cd5 Nd5 10.Bg7 Kg7 11.Nd4 Be2 12.Qe2 c5 13.Nb3 b6 14.0-0 N7f6 15.Rd1 Qc7 16.Nc3 Rad8 17.Nd5 Rd5 18.d4 c4 19.Nd2 c3 20.Ne4 1–0. chybol3 – hoszymin, kurnik, 2012.

5.c4 d6

6.Nc3 e5 7.Be2 a6 8.Nf3 e4 9.Nd4 Nbd7 10.0-0 ab5 11.cb5 Ne5 12.f3 ef3 13.Nf3 Nf3 14.Bf3 d5 15.d4 Re8 16.Qe2 Bh6 17.Bc1 Bf5 18.Qf2 Qd7 19.Bd2 Ra3 20.Rfe1 Ne4=+ 21.Ne4 de4 22.Be2= Be6 23.Bc1 Ra2 24.Ra2 Ba2 25.Bd2 Bd5 26.Ra1 Qd6 27.Ra4 Bg5 28.Bb4 Qf6 29.Qf6 Bf6 30.Kf2 Bh4 31.g3 Bg5 32.h4 Bf6 33.h5 Kh8 34.Ra7 gh5 35.Bh5 Be7 36.Be7= Re7 37.Bg4 Re8 38.Bf5 Kg7 39.g4 h6 40.Kg3 Re7 41.Kf4 b6 42.Ra4 f6 43.Ra7 Kf7 44.Ra4 Ke8 45.Ra1 Kf8 46.Rb1 Kg7 47.Rb4 Ba8 48.Rb2 Bb7 49.Rc2 Bd5 50.Rb2 Be6 51.Be6 Re6 52.Kf5 Re7 53.Rc2 Kf7 54.Rc6 Kg7 55.Rf6 Kh7 56.g5 hg5 57.Kg5 Kg7 58.Kf5 Rd7 59.Rc6 Re7 60.d5 Kf8 61.d6 cd6 62.Rd6 Rb7 63.Ke4 Kf7 64.Kd5 Rb8 65.e4 Ke8 66.e5 Ke7 67.Re6 Kf7 68.Rc6 Rb7 69.Kd6 Rb8 70.Kd7 Ra8 71.e6 Kf6 72.e7 Kf7 73.Rc8 Rc8 74.Kc8 Ke7 75.Kc7 Ke8 76.Kb6 Kd7 1–0. Crafty 19.01 – EXchess 3.11, 2004.

6.Be2 e5 7.Nf3 Nbd7 8.a4 Ne8 9.0-0 f5 10.d3 g5 11.Nbd2 g4 12.Ne1 h5 13.f4 Qh4 14.g3 Qf6 15.fe5 de5 16.Ne4 Qg6 17.Nf2 f4 18.ef4 ef4 19.Ne4?? f3 20.Bg7 Kg7 21.Nf3 gf3 22.Bf3 Ne5 23.Bh5 Rf1 24.Kf1 Qe6 25.Qd2?? Qh3–+ 26.Kg1 Qh5 27.Rf1 Nd6 28.Nf6 Nf3 29.Rf3 Qf3 30.Qg5 Kf7 31.Nd5 Qd1 32.Kg2 Qe2 33.Kg1 Qe6 34.Qf4 Qf5 35.Qh4 Be6 36.Qe7 Kg6 37.Nf4-/+ Qf4?? 38.gf4+- Re8 39.Qg5 Kf7 40.Qh5 Ke7 41.Qh7 Kd8 42.Qh4 (42...Kd7 43.Kf2+/–) 1–0. Slooooowly – q11, Live Game Caissa's Web, 2004.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 c5 11.0-0 b6 12.Nc3 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Bg7 Kg7 16.h3 Bd7 17.Nh2 f5 18.Bf3 Qc4 19.Qa1 Kf7 20.Rc1 Qb5 21.Bd5 e6 22.Bc4 Qc6 23.Nf3 Qc7 24.Ng5 Kg8 25.Be6 Be6 26.Ne6 Qf7 27.Nf8 Qf8 28.Qa2 Kg7 29.Qb2 Qf6 30.Qb5 Qc6 31.Qb2 Kh6 32.d4 c4 33.d5 Qc5 34.d6 b5 35.Rd1 Nd7 36.Qc2 b4 37.e4 fe4 38.Qe4 c3 39.Rd5 Qc6 40.Rh5 gh5 41.Qc6 Kg5 42.Qd7 c2 43.Qc6 b3 44.d7 1–0. chybol3 – ancu, kurnik, 2012.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 Nbd7 11.0-0 Qa5 12.Nc3 Qb4 13.d4 e5 14.Qc2 Nb6 15.Rb1+/– Qa5 16.Bb2 cb5 17.Ra1+/– Na4?? 18.cb5 e4 19.Nd2 Qc7 20.Ra4 Nd5 21.Rc4 Ne3 22.fe3 Qd7 23.Nce4 d5 24.Nc5 Qe7 25.Rc3 Bf5 26.Qc1 b6 27.Ncb3 Qb4 28.Ba3 Qa4 29.Bf8 Bf8 30.Bd3 Be6 31.Qa1 Qb4 32.Rc1 Kg7 33.Qc3 Qd6 34.Qc6 Qa3 35.Ra1 Qb2 36.Qc1 Bb4 37.Qb2 h5 38.Ra4 Bd6 39.Ra6 Bc7 40.Ra7 Bd8 41.Nf3 Bf6 42.Ne5 Bg5 43.Kf2 h4 44.h3 Bf6 45.Nd2 g5 46.Ndf3 Be5 47.Ne5 Kf6 48.Nf7! Bf7 49.Rf7! Kf7 50.Qa3 Ke6 51.Qf8 Kd7 52.Qf6 Kc7 53.Qc6 Kd8 54.Qb6 Kd7 55.Qc6 Kd8 56.b6 (56.b6 Ke7 57.b7 g4 58.b8Q g3 59.Kf3 Kf7 60.Qbc7 Kf8 61.Qa8#; 56.Qd6 Kc8 57.b6 Kb7 58.Qc7 Ka8 59.Qc8#) 1–0. lousse – becool66 (1640), kurnik, 2012.

6.Nf3 Nbd7 7.Be2 c6 8.a4 cb5 9.ab5 d5 10.0-0 dc4 11.Bc4 Nb6 12.Be2 Bf5 13.Nc3 Be6 14.Nd4 Bc4 15.Nf3 Be2 16.Qe2 Rc8 17.Nd4 Nc4 18.Rfb1 Nb2 19.Rb2 Nd5 20.Nd5 Qd5 21.Ra7 Bd4 22.ed4 Qd4 23.Rb1 Qa7 24.Qe7 Qa2 25.Re1 Qd2 0–1. thecat74 – ramizi20, kurnik, 2012.

6.Nf3 e5 7.Be2 Nbd7 8.0-0 a6 9.a4 b6 10.d4 Bb7 11.de5 de5 12.Ne5 Ne5 13.Be5 Qe7 14.Bf6 Bf6 15.Ra2 ab5 16.cb5 Qb4 17.Nd2 Bd5 18.Rc2 Ra4 19.Rc7 Ra1 20.Qc2 Rf1 21.Bf1 Rd8 22.Rc8 Kg7 23.Rd8 Bd8 24.Nb1 Be7 25.Qc3 Qc3 26.Nc3 Bb7 27.Na4 Bc5 28.Nc5 bc5 29.Bc4 f5 30.f4 Kf6 31.Kf2 h6 32.h3 g5 33.g4 Bc8 34.b6 Bb7 35.Bd3 fg4 36.hg4 Ke7 37.f5 Kf6 38.Bc4 Ke5 39.Ke2 h5 40.gh5 Kf5 41.Bd3 1–0. chybol3 – stasiekr00, kurnik, 2012.

6.Nf3 e5 7.Be2 h6 8.0-0 Be6 9.a4 Nbd7 10.d4 e4 11.Nfd2 c6 12.Nc3 Re8 13.Qc2 d5 14.c5 Ng4 15.Bg4 Bg4 16.h3 Be6 17.Ne2 f5 18.Nf4 Bf7 19.a5 g5 20.Ne2 Qf6 21.a6 ba6 22.bc6 Nb8 23.c7 Nd7 24.Qa4 Qe7 25.Qa6 Rec8? 26.Qd6+/– Qe8 27.Ba3 Bf8 28.Qc6 a5 29.Rab1 Qe7 30.Ng3 f4 31.Nf5 Qe6 32.Qe6 Be6+= 33.c6 Ba3 34.Nh6 Kg7 35.cd7 Bd7 36.Ng4 Bg4 37.hg4 Rc7 38.Nb3 a4 39.Nc5 Bc5 40.dc5 Rc5 41.ef4 gf4 42.Rfd1 a3 43.Ra1 Kf6 44.Rdb1 Ke5 45.Rb3 Rca5 46.Rb7 Kd4 47.Rd7 a2 48.g5 e3 49.fe3 fe3 50.g6 e2 (50...e2 51.Re7 Rb5 52.Re2 Rb1 53.Re1 Re1 54.Re1 a1Q 55.Ra1 Ra1 56.Kf2 Ra6–+) 0–1. andil – angel2610, kurnik, 2012.

6.Nf3 Ng4 7.Bg7 Kg7 8.Be2 Bf5 9.Nc3 Nd7 10.Nd4 h5? (better is 10...Nh6!?+=) 11.Nf5+- gf5 12.0-0 Rh8 13.h3 Ngf6 14.a4 Ne5 15.d4 Ng6 16.Nd5 Qd7 17.Nf6 ef6 18.Bh5 Qe6 19.c5 dc5 20.dc5 Qe5 21.Rc1 f4 22.Bf3 fe3 23.fe3 Qe3 24.Rf2 Nf4 25.Kf1 Nd3+= 26.Rc3?? Qf2# (26...Nf2?! 27.Re3 Nd1 28.Bd1+=) 0–1. ariank – dobik1977, kurnik, 2012.

5.d4 a5

6.a4 b6 7.c4 Bb7 8.Nf3 d6 9.Nbd2 Re8 10.Qb3 (10.Be2 Nbd7+=) 10...Ne4 11.Ne4 Be4 12.Be2 Bb7 13.0-0 f6 (13...Nd7 14.Qc2+=) 14.Rac1 White intends c5 (14.c5 Kh8+/-) 14...e5 15.c5 Kh8 16.c6 Bc8 17.de5 (17.Bc4 e4 18.Nd2 Qe7+/-) 17...fe5+= 18.Rfd1 Be6 19.Bc4 Bf5 20.Qc3 Qe7 21.Bd5 Rf8 22.Nd2 (22.e4 Bg4 23.Rd3 Be6+/-) 22...Qg5 (22...Be6 23.Be6 Qe6 24.e4+/-) 23.Qc4 h5 (23...Ra7 24.Ne4 Qe7 25.Rd2+/-) 24.Nf3 Qe7 (24...Qf6 25.Qh4+/-) 25.Re1 (25.Nh4 Qg5+/-) 25...Bg4 26.Nd2 Bf5 27.Rcd1 Bg4 28.f3 Bf5 29.Bc1 Bh6 30.Nf1 Bg7 31.e4 Bc8 32.Ng3 (better 32.Be3 Ra7 33.Nd2+/-) 32...Na6? (better 32...h4 33.Ne2 Kh7+=) 33.ba6+- Ba6 34.Qc3 Rae8 35.Bc4 (35.Qe3 Qf6+-) 35...Bc8 (35...Bc4 36.Qc4 h4+-) 36.Bd5 Bh6?? (36...Ba6 37.Qe3 Qf6+-) 37.Be3 (better 37.Bh6 h4 38.Ne2+-) 37...Be3 38.Qe3 Qf6?? (38...h4 39.Ne2 h3+-) 39.Qh6 1-0. ClayPigeons (2155) - ergweorigwoierg (2145), Rated Bullet game, lichess.org, 2021.

6.a4 b6 7.Nf3 Bb7 (7...d5 8.Bd3=) 8.Bd3+= d6 (8...c5 9.dc5 bc5 10.0-0+=) 9.Nbd2 (9.0-0 c5+=) 9...Nbd7 (9...c5 10.dc5 dc5 11.0-0+=) 10.0-0+= Re8 11.c4 (11.e4 Nh5+=) 11...e5 12.Bc2 ed4 13.ed4 Ne4 (13...d5 14.Bd3=) 14.Re1 (14.Be4 Be4 15.Ne4 Re4+=) 14...Nd2 15.Re8 Qe8 16.Nd2 Qe7 17.Ra3 Re8 (17...Bh6 18.d5=) 18.Re3+= Qd8 19.Qe2 Re3 20.Qe3 (20.fe3 Qe7+=) 20...Qf6 (20...d5 21.Ba3+=) 21.Be4 Be4 22.Qe4 Qe6 23.Qe3 (23.Kf1 Qe4 24.Ne4 f5=) 23...Kf8 (23...Qe3 24.fe3 f5 25.Kf2=) 24.h3 (24.Qf3 Qe1 25.Nf1 Qb4+=) 24...Ke7 (24...Qe3 25.fe3 f5 26.g4=) 25.Kf1 (25.Qd3 Qe1 26.Nf1 Kf8+=) 25...Qe3= 26.fe3 Nf6 (26...Nc5 27.dc5 Bb2 28.cb6 cb6 29.e4=) 27.Ke2 (27.g4 d5+=) 27...Nh5 (27...Nd7 28.Kd3+=) 28.c5 (28.g4 Nf6+-) 28...dc5 (28...bc5!? 29.Kf3 f5+=) 29.g4+- cd4 30.Ba3 Ke6 (30...Kd7 31.gh5 de3 32.hg6 hg6 33.Nc4+-) 31.gh5 de3 1–0. GuestFFHS – GuestCQKV, freechess.org, 2020.

6.a4 c5 7.c4 (7.dc5!? Qc7 8.Bd4+/-) 7...cd4 8.Nf3 (8.Bd4!? d6 9.Be2=) 8...de3-/+ 9.fe3 e5 (9...d6 10.Be2-/+) 10.Be2 (10.Be5 d5=) 10...d5 (10...d6 11.0-0=+) 11.Ne5 (11.Be5 dc4 12.Qd8 Rd8 13.Bc4 Nbd7=) 11...dc4 (11...Nfd7!? 12.Nd7 Bb2-/+) 12.Nc4 (worse 12.Bc4 Nfd7 13.Bf7 Rf7 14.Nf7 Qh4 (14...Kf7?? 15.Qd5 Ke8 16.Bg7 Qh4 17.Ke2+-) 15.g3 Qb4 16.Qd2 Bb2=+) 12...Qe7? (12...Nbd7 13.0-0+=) 13.0-0 (13.Ba3 Qd8 14.Bf8 Qf8+-) 13...Be6? (13...Rd8 14.Nbd2=) 14.Nbd2 (better 14.Ba3!? Qe8 15.Bf8 Qf8 16.Nb6+-) 14...Rd8+= 15.Qc2 Nbd7 (15...Bf5 16.Qc3=) 16.Bf3 (16.Ba3 Nc5 17.Nb6 Qd6 18.Na8 Qd2 19.Qd2 Rd2+/-) 16...Rac8 (better 16...Nc5+=) 17.Rae1?? (better 17.Bb7 Nb6 18.Bc8 Rc8 19.Rf4+=) 17...Nb6!-+ 18.Bd4? (18.Nb6 Qd6 Double attack (18...Rc2 Pinning; 18...Rc2 Deflection; 18...Qd6 Decoy)) 18...Nc4 (18...Rc4?! 19.Nc4 Nc4 20.Qc3-/+; 18...Bc4?! 19.Bb6 Bf1 20.Bd8 Qd8 21.Qd1-+) 19.Nc4 Bc4 20.Qb2 (20.Bf6 Bf6 (20...Qf6?! 21.Bb7 Bf1 22.Bc8-+) 21.Bb7 Bd3 22.Qc8 Rc8 23.Bc8 Bc3-+) 20...Bf1 21.Kf1 (21.Rf1 Ne8 22.Bg7 Ng7 23.Qb3-+) 21...Nh5 (21...Rc4 22.Qa1-+) 22.Bg7?? (22.Bh5 Bd4 23.ed4-+) 22...Ng7 23.Kf2 (23.Kg1 Nf5-+) 23...b6 (better 23...Rc4-+) 24.Re2 (24.Kg1 Ne6 25.Qe5 Rc4-+) 24...Rd6 (better 24...Qh4 25.g3 Qh2 26.Bg2 Nh5-+) 25.g3 Rcd8 (25...Rd3 26.Re1-+) 26.Kg2 (26.Qc2 Ne6-+) 26...Qf6 (26...Nf5 27.Qc3-+) 27.Qb3 (27.Qf6 Rf6 28.Be4 Rfd6-+) 27...Ne6 28.Bc6 (28.Qa2 Qc3 29.Qc2 Qc2 30.Rc2 Rd2 31.Rd2 Rd2 32.Kf1 Nc5-+) 28...Nc5 (better 28...Rd1 29.Qd1 Rd1 30.Rf2-+) 29.Qc4 (29.Qa2 Nd3 30.Qc4 Qa1-+) 29...Qe5 (29...Rd2 30.Bf3 Qb2 31.Kf1-+) 30.Rf2 Rd2 (better 30...Qe6 31.Qe6 Re6 32.e4-+) 31.Qf7 Kh8 32.e4 (32.Kg1 Rd1 33.Kg2 Na4-+ (33...Qe3?! 34.Qf6 Kg8 35.Qf7 Kh8 36.Qf6 Kg8 37.Qf7 Kh8=)) 32...Rf2 (better 32...Qb2 33.Bd5 Ne4 34.Be4 Rf2 35.Qf2 Rd2 36.Qd2 Qd2 37.Kf3 Qh2-+) 33.Kf2 (33.Qf2 Ne4 34.Be4 Qe4 35.Kh3-+) 33...Ne6 (better 33...Qb2 34.Kf3 Rd3 35.Kg4 Qe2 36.Kh3 Qh5 37.Kg2 Rd2 38.Qf2 Rf2 39.Kf2 Qh2 40.Kf3-+) 34.Bd5 (34.Bd7 Qd4 35.Kf1 Qd7 36.Qd7 Rd7 37.Ke2-+) 34...Nd4 (34...Ng5 35.Qf4 Nh3 36.Ke2 Nf4 37.gf4 Qf4-+) 35.Kg2 (35.Qf4 Qe7 36.Kg2-+) 35...Nb3! 36.h4?? (36.Bb3 Rd2 Deflection) 36...Nd2 (better 36...Nc5 37.Qf4 Qf4 38.gf4 Na4-+) 37.Kf2 (37.Kh2 Rc8 38.Qf4 Qf4 39.gf4-+) 37...Ne4 (better 37...Qd4 38.Kg2 Ne4-+) 38.Be4 Qe4?? (better 38...Rd2 39.Ke1 Qd6-+ (39...Qe4 40.Kd2 Qd4 41.Ke2=)) 39.Qa2?? (better 39.Qf6 Kg8 40.Qd8 Kf7 41.Qc7 Ke8 42.Qb6 Qc2 43.Kf3 Qd1 44.Kg2 Qc2 45.Qf2 Qa4 46.Qe3 Kd7 47.Qa7 Ke6 48.Qb6 Kd5 49.Qc6 Kd4 50.Qd6 Kc4 51.b6=) 39...Qe5 (39...Rf8 40.Kg1 Qe1 41.Kg2 Qf1 42.Kh2 Rf2 43.Qf2 Qf2 44.Kh1 Qg3 45.h5 Qf3 46.Kg1 gh5 47.Kh2 h4 48.Kg1 h3 49.Kh2 Qg2) 40.Qe2 (40.Qc2 Qd4 41.Kf3 Qd3 42.Qd3 Rd3 43.Kf4 Rd4 44.Kf3 Ra4-+) 40...Re8 (40...Rf8 41.Ke1 Qc3 42.Qd2 Qa1 43.Qd1 Re8 44.Kd2 Rd8 45.Ke2 Qd1 46.Kf2 Qd2 47.Kf3 Rd3 48.Kg4 Qe3 49.h5 Qg3) 41.Qe5 (41.Qd2 Qa1 42.Kg2 Qa4 43.Qc3 Kg8-+) 41...Re5 42.Kf3 Rc5 (42...Rb5 43.g4-+) 43.Kf4 (43.Ke4 Rc4 44.Kd5 Ra4-+) 43...Rc4 44.Kf3 Ra4 45.Kg2 (45.Ke2-+) 45...Rb4 46.Kh2 Rb5 47.Kh3 Rb4 48.h5 Rb3 (48...gh5 49.Kg2 a4 50.Kh2 a3 51.Kh3 a2 52.Kg2 a1Q 53.Kf2 Qd4 54.Kf3 Rb3 55.Kg2 Rb2 56.Kf3 Rf2) 49.hg6 Rb4 (49...Rb4 50.Kg2 hg6 51.Kf2 a4 52.Ke2 a3 53.Kf2 a2 54.Kg2 Rb3 55.Kh2 a1Q 56.Kg2 Qb2 57.Kh3 Qf2 58.Kg4 Qg3) 0-1. ClayPigeons (2130) - Ralsala (2170), Rated Bullet game, lichess.org, 2021.

5.d4 a6

6.a4 ab5 7.ab5 Ra1

8.Ba1 b6 9.c4 Bb7 10.Nc3 d6 11.Nf3 Nbd7 12.Be2 c5 (12...e5 13.0-0+=) 13.bc6+= Bc6 14.0-0 e6 15.Qb3 (15.d5 ed5 16.Nd5 Bd5 17.cd5 Qe7+=) 15...Qc7 (15...Qe7 16.Bb2+=) 16.Bb2 Rb8 17.Ba3 h5 (17...Ra8 18.Nb5 Bb5 19.cb5+=) 18.Rb1 (18.Nb5 Bb5 19.cb5 Ne4+/-) 18...Ne4+= 19.Bd3 (19.Ne4 Be4 20.Rb2 Ra8+=) 19...Nc3= 20.Qc3 Qa7? (better 20...Bf3 21.gf3 e5=) 21.Bd6+- Bf3 (21...Ra8+-) 22.Bb8 (worse 22.gf3 Ra8+-) 22...Qb7 (22...Qb8 23.gf3 e5 24.Be4+-) 23.gf3 Qf3 (23...Qb8 24.Qb3 e5+-) 24.Bg3 h4 (24...Qg4 25.Qc2+-) 25.Bh4 Nf6 (25...e5 26.de5 Qg4 27.Bg3 Ne5 28.Qc2+-) 26.Bg3 Nh5 (26...Ne4 27.Be4 Qe4 28.Rb6+-) 27.Qd2 (27.Rb6 Qg4+-) 27...Ng3 28.hg3 e5 29.Be2 (29.Rb6 ed4 30.Rb8 Kh7 31.ed4 Qg4+-) 29...Qf5 (29...Qe4 30.Rb6 ed4 31.c5+-) 30.Rb5 (30.Rb6 ed4 31.ed4 Qd7+-) 30...Qe4 (30...Qd7 31.d5+-) 31.Qd3 (31.de5 Qa8 32.e6 fe6+-) 31...Qc6 (31...Qd3 32.Bd3 ed4 33.Rb6 de3 34.fe3+-) 32.d5 (32.de5 Qe8+-) 32...Qf6 33.Kg2 (33.Qb1 Qd8+-) 33...e4 (33...Bf8 34.Qc3+-) 34.Qe4 Qg5 (34...Qd8 35.Qb1+-) 35.Qf3 (better 35.Qe8 Bf8 36.d6+-) 35...Qe5 (35...Qd8 36.Qf4+-) 36.d6 (better 36.Rb6 Bf8+-) 36...Qd6 37.Rd5 (37.Rd5 Qf8 38.Rd7+-) 1-0. ClayPigeons (2085) - Ximo104 (2020), Rated Bullet game, lichess.org, 2020.

8.Ba1 b6 9.c4 Bb7 10.Nf3 c5 11.bc6 dc6 12.Be2 Nbd7 13.0-0 c5 14.d5 Ne4 (14...b5 15.cb5 Bd5 16.Nc3 Bf3 17.Bf3+=) 15.Qc2 (15.Bg7!? Kg7 16.Qd3+/-) 15...Ba1= 16.Qe4 Bg7 17.Qc2 Nf6 (17...e6 18.Rd1=) 18.e4 Nd7 19.Nfd2 (19.Nc3 Ne5+=) 19...Ne5 (19...Qc7 20.Nc3=) 20.f4+= Nd7 21.Nf3 (21.e5 Bc8+=) 21...e5= 22.fe5 Ne5 23.Ne5 Be5 24.Nd2 Bd4 25.Kh1 Bc8 26.Nf3 Bg7 27.Bd3 Bg4 28.Re1 (28.Qf2 Qd6+=) 28...Qf6 (28...Bf3 29.gf3 Be5 30.Rf1=) 29.Qf2 (29.e5 Qe7+=) 29...Qc3 30.Rd1 (30.Qf1 Ra8=) 30...f5 (better 30...Ra8=) 31.Ng5?? (better 31.ef5 Bf5 32.Bf5 Rf5 33.Qe2+/-) 31...Bd1-+ 32.Bf1 (32.Ne6 Rf7 33.Ng5 Qd3 34.Nf7 Kf7 35.ef5 gf5 36.h3-+) 32...fe4 33.Qg1 Qe1 34.Be2 Qe2 35.Ne6 Rf1 36.h3 Rg1 37.Kh2 (37.Kg1 Qe1 38.Kh2 Be5 39.Nf4 Bf4 40.g3 Qg3 41.Kh1 Bf3) 37...Be5 (37...Qg2) 38.Nf4 Bf4 (38...Qg2) 39.Kg1 Qe1 0-1. ClayPigeons (2200) - Paulo_Robson (2235), Rated Bullet game, lichess.org, 2020.

8.Ba1 c6 9.c4 cb5 10.cb5 Qa5 11.Bc3 Qc7 12.Qb3 (12.Bd3 d5=) 12...b6 13.Nf3 Bb7 14.Be2 Ne4 (14...Rc8 15.Bd2=) 15.Bb4 d6 16.0-0 Nd7 17.Nbd2 Ndf6 18.Ra1 Rc8 19.Bc4 Nd2? (19...d5 20.Bd3=) 20.Nd2 (20.Bf7 Kh8 21.Nd2 Qd8+/-) 20...Ne4? (better 20...e6!?+=) 21.Bf7+- Kf8? (21...Kh8+-) 22.Ne4?? (better 22.Bg8 d5 23.Bd5 Nd2 24.Bd2 Bd5 25.Qd5+-) 22...Qc1+/- 23.Qd1 Qd1 24.Rd1 Kf7 25.Ng5 Kg8 26.Ne6 Bf6 27.Kf1 (27.Nf4 Rc2+=) 27...Rc4 (27...Bd5 28.Nf4 Bc4 29.Ke1 Bb5 30.Nd5=) 28.Be1+= Bd5 29.Nf4 Bf7 30.Ra1 Rc2 31.Ra8 Kg7 32.g3 (better 32.d5!? g5 33.Ne6 Be6 34.de6=) 32...Bc4 33.Kg2 g5 (better 33...e5!? 34.Ra7 Kh6-/+) 34.Nh5= Kg6 35.Nf6 ef6 36.Bb4?? (better 36.Rd8=) 36...Bd5-+ 37.Kh3 (37.Kf1 Ba8 38.Ke1-+) 37...Ba8 38.f4 (38.g4 Rf2 39.Be1 Re2 40.e4 Be4 41.Bf2 Rf2 42.Kg3 Rg2 43.Kh3 h5 44.gh5 Kh5 45.d5 g4) 38...Rc4 (38...Bg2 39.Kg4 f5) 39.Bd2 (39.Bd6 h5 40.g4 h4 41.fg5 fg5-+) 39...gf4 (39...h5 40.g4 Rc2 41.gh5 Kh5 42.fg5 fg5 43.Be1 Rg2 44.e4 Be4 45.Bg3 g4) 40.gf4 Rc2 41.Bb4 Bd5 (41...Kh5 42.Bd2-+) 42.Bd6 Rb2 43.e4 Rb5 (better 43...Be4 44.Kg3-+) 44.ed5 Rd5 45.Bc7 Rd4 (better 45...b5 46.Ba5-+) 46.Bb6 Rf4 47.Kg3 Rf5 (47...Kf5 48.Bc7 Rc4 49.Bd8-+) 48.Bf2 Rh5 49.h4 (49.Be3-+) 49...Rg5 (better 49...Rb5-+) 50.hg5= fg5 51.Be3 h5 52.Kh3 Kf5 Black prepares g4 53.Kg2 g4 54.Bf2 (54.Kg3 Kg6=) 54...Ke4 (54...Kf4 55.Be1=) 55.Bh4 (55.Kg3 Ke5=) 55...Kf5 (55...Ke5 56.Kg3=) 56.Kg3 Kg6 57.Be7 Kf5 58.Kh4 Kf4 59.Kh5 Kf3 0-1. ClayPigeons (2185) - SuatCanS (2200), Rated Bullet game, lichess.org, 2021.

8.Ba1 c6 9.c4 cb5 10.cb5 d5 11.Nc3 Bd7 (11...Bf5 12.Nge2=) 12.Bd3 Qb6 13.Qb3 Rc8 14.Nf3 (14.Nd5? Nd5 15.Ke2 Be6-+) 14...e6 (14...Qd6 15.0-0=) 15.0-0+= Be8 16.Rb1 Nbd7 17.Bb2 Ng4 18.h3 Nh6 19.Na4 Qd8 20.Ba3 e5 (20...Nf5 21.Ra1+=) 21.de5 (21.Qd5 ed4 22.Qb7 de3+-) 21...Ne5 22.Ne5 Be5 23.Nc5 (better 23.Rd1+/-) 23...Bd6?? (23...b6 24.Nb7 Qd7 25.Qb4+=) 24.Rc1 (better 24.Nb7 Bh2 25.Kh2+-) 24...Bd7? (better 24...Qe7!? 25.Qd5 Rd8 26.Nb7 Ba3 27.Qd8 Qd8 28.Nd8 Bc1=) 25.b6 (25.Nb7 Rc1 26.Bc1 Bh2 27.Kh2 Qc7 28.g3 Qc1 29.Qd5 Be6 30.Qd8 Kg7 31.Qd4 f6+-) 25...Bc6 26.Qc3 (26.Bb2!?+/-) 26...Qg5+= (26...Qb6?? 27.Bb2 Kf8 28.Qg7 Ke8 29.Qh8 (29.Qh6? Qb2 30.e4 Kd8-+) 29...Bf8 30.Bg7+-) 27.Bb2?? (27.Bf1 Qe5 28.Qe5 Be5 29.Nd3+/-) 27...f6 (better 27...d4 28.Ne4 dc3 29.Ng5 cb2-+) 28.Qf6+/- Qf6 29.Bf6 Nf5 30.Ne6?? (better 30.Nb3+-) 30...Kf7-/+ 31.Bf5 (better 31.Ng5!? Kf6 32.Nh7 Kg7 33.Ng5-/+) 31...gf5-+ 32.Nd4 Kf6 33.f4 (better 33.Nc6 Rc6 34.Rc6 bc6 35.g4-+) 33...Bd7 34.Rb1 (34.Ra1 Bc5-+) 34...Bc5 35.Nf3 (35.Kf2-+) 35...Be3 36.Kf1 Ba4 (36...Bf4 37.Rb3-+) 37.g3 (37.Rb4 Rc4 38.Rb2 Rf4-+) 37...Bc2 (better 37...Rc2 38.Rb4 Rf2 39.Ke1 Rf3 40.Ra4 Rg3-+) 38.Rd1 (38.Ra1 Bb6 39.Ra3 h6-+) 38...Bb3 (better 38...Bd1 39.Ne1-+) 39.Ke1 (39.Re1 Rc3 40.Ne5 d4 41.Nd7 Kg7-+) 39...Bc4 (39...Bd1 40.Kd1 Rg8 41.Ke2 Bb6 42.Ne5-+) 40.Rd4 (40.Ne5 Ke6 41.Nc4 dc4 42.Ke2 Bb6 43.Rb1-+) 40...Bd4 (40...Rg8!? 41.Rc4 dc4 42.Ke2-+) 41.Nd4 Re8 42.Kd1 (42.Kf2 Re4 43.Nf3 d4-+) 42…Re1 (42...Re1 43.Ke1 h5+=) 0-1. ClayPigeons (2170) - JohNNN (2205), Rated Bullet game, lichess.org, 2020.

8.Ba1 c6 9.c4 cb5 10.cb5 d5 11.Nc3 Bd7 12.Nf3 Qa5 13.Bb2 Ne4 (13...Rc8 14.Qd2=) 14.Qb3 (14.Qa4 Qa4 15.Na4 Bf5=) 14...Be6 (14...Rc8 15.Qa4 Qa4 16.Na4=) 15.Bd3 Nd7 (15...Rc8!? 16.Qa4 Qa4 17.Na4 Nd7=) 16.0-0+= (16.Be4? de4 17.Qa3 Qa3 18.Ba3 ef3 19.gf3 Ra8 20.Be7 Ra1 21.Nd1 Ra2-+) 16...Ndf6 17.Rd1 (17.Ra1 Qd8+=) 17...Rc8 18.Ne5?? (18.Rc1 Bf5=) 18...Nc3 (better 18...Rc3 19.Bc3 Nc3-/+) 19.Ra1= Na2 (better 19...Ne2 20.Be2 Qd2=) 20.Ra2 (better 20.Qa2 Qd2 21.Ba3 Qa2 22.Ra2+=) 20...Qe1-+ 21.Bf1 Ne4 22.Ba3?? (22.Nd3 Qf1!? 23.Kf1 Nd2 24.Ke1 Nb3 25.Ra3-/+) 22...Nd2 (better 22...Be5 23.Be7 Bh2 24.Kh2 Qf1-+) 23.Qd3= Bf5?? (better 23...Qf1 24.Qf1 Nf1 25.Kf1 Ra8=) 24.Qd2+- Qb1 25.Rb2 (25.Qb2 f6 26.Nf3 Kf7+-) 25...Qa1 26.Ra2 (26.Be7?! Rc1 27.Qe2 Rf1 28.Qf1 Qb2+=) 26...Qb1 27.g3 (better 27.Qe2+-) 27...Be5 28.de5 Be4? (better 28...Bh3 29.Qd3 Qa2 30.Bh3 e6+/-) 29.h3 (29.Qb2 Qb2 30.Bb2 Rc2+-) 29...Kg7 (29...d4 30.Qb2 Ra8 31.Qb1 Bb1+-) 30.Be7 (30.e6 f6 31.Qb2+- (31.Be7 Rc1 32.Qc1 Qc1=)) 30...Rc1+/- 31.Bf6 Kg8?? (31...Kh6 32.Qe2 Bd3 33.Qf3 Rf1 34.Kh2 Rh1 35.Qh1+-) 32.Qe2 (32.Ra8 Rc8 33.Rc8) 32...Bd3?? (better 32...Rf1 33.Qf1 Qa2+/-) 33.Qd3! Qd3 (33...Qd3 34.Ra8 Mate attack). ClayPigeons (2260) - Mps2000 (2300), Rated Bullet game, lichess.org, 2019.

8.Ba1 c6 9.c4 cb5 10.cb5 d5 11.Nf3 Nbd7 (11...Ne4 12.Bb2=) 12.Bd3 Nb6 13.0-0 Bf5 14.Bf5 gf5 15.Nbd2 (15.Ne5 Ne4=) 15...Qd6 16.Qb3 Ne4 17.Rc1 Ra8 18.Bb2 e6 19.Nb1 (19.Ne4 fe4 20.Nd2 Bf8=) 19...Nc4=+ 20.Ba1?? (better 20.Bc3=+) 20...Ra1-+ 21.h3 (21.g3 Qb6-+) 21...Ned2! 22.Nfd2 (22.Nbd2 Rc1 Pinning (22...Rc1 Deflection); 22.Nfd2 Nd2 Combination) 22...Nd2 23.Qc2 Nb1 24.Qb2 (24.Rb1 Rb1 25.Qb1 f4-+) 24...Qa3 25.Rb1 (25.Qa3 Ra3 26.Rb1-+) 25…Qb2 (25...Qb2 26.Ra1 Qa1 27.Kh2 Qe1 28.f4 Qe3 29.Kh1 Bd4 30.Kh2 Qf4 31.Kh1 Qf2 32.Kh2 Be5 33.Kh1 Qe1) 0-1. ClayPigeons (2220) - bayacarbay (2155), Rated Bullet game, lichess.org, 2021.

8.Ba1 d6 9.c4 e5 10.Nc3 (10.de5 Ng4=) 10...Nbd7 (10...ed4 11.Qd4 Be6 12.Qa7=+) 11.Nf3= ed4 12.ed4 (12.Nd4 Ne5=) 12...Re8 13.Be2 Nf8 (13...d5 14.c5=+) 14.0-0= Ne6 15.Re1 Nf4 16.g3 (16.d5 Bg4=) 16...Ne2 (16...Nh3 17.Kg2=+) 17.Ne2 (17.Re2 Bg4 18.Re8 Qe8=+) 17...Bg4-/+ 18.Kg2 (18.Qd3 d5 19.c5 Ne4-/+) 18...Qd7 (18...d5 19.c5 Bf3 20.Kf3-/+) 19.Nf4 (19.Nc3 Ra8=+) 19...g5 20.Re8 (20.Ng5 Bd1 Pinning (20...Bd1 Deflection)) 20...Qe8 21.h3 (better 21.Nd3!?-/+) 21...Bf3-+ (21...gf4?! 22.hg4 Ng4 23.gf4=+) 22.Qf3 gf4 23.Qf4 (better 23.d5-+) 23...Qe4 24.Qf3 Qf3 (24...Qb1!? 25.b6 cb6 26.Qa3-+) 25.Kf3 Nd7 26.Ke3 Kf8 (26...Nb6 27.Kd3-+) 27.Ke4 Ke7 28.f4 (28.Bc3-+) 28...Ke6?? (28...Nf6!? 29.Kf3 d5 30.cd5-+) 29.g4?? (better 29.d5 Ke7 30.Bg7+-) 29...Ke7 30.h4 Nb6 31.Kd3 d5 32.c5 (32.cd5 f5 (worse 32...Nd5 33.f5-+) 33.d6 cd6 34.gf5 d5-+) 32...Nc4 33.Bc3 c6 (33...Ke6 34.h5-+) 34.b6 (34.bc6 bc6 35.h5 Bh6-+) 34...Ke6 35.Be1 (35.h5 Bh6 36.g5 Bf8-+) 35...f5 (better 35...h5 36.gh5 Kf5-+) 36.g5 Bf8 37.Bg3 Be7 38.h5 Bd8 39.Bh4 Kf7?? (better 39...Na3-+) 40.g6+= hg6 41.hg6 Kg6 42.Bd8 Kh5 43.Bc7 Kg4 44.Be5 (44.Ke2 Kg3=) 44...Kg3 (44...Kf3 45.Bg7 Ne3-+) 45.Bd6?? (better 45.Ke2=) 45...Kf3-+ 46.Bc7 Ne3 47.Be5 Ng2 48.Bd6 Ne1 (better 48...Nf4 49.Kd2 Ke4-+) 49.Kd2 Ng2 50.Kc3?? (50.Kd3 Nf4 51.Kd2-+) 50...Nf4-+ 51.Bf4 (51.Be7-+) 51...Kf4 52.Kd3 Kf3 53.Kd2 f4 54.Ke1 Kg2 55.Ke2 f3 56.Ke1 f2 57.Kd2 (57.Kd1 f1Q 58.Kc2 Qe2 59.Kc3 Qc4 60.Kb2 Qd4 61.Kb3 Qd2 62.Ka3 Qc2 63.Kb4 Qb2 64.Ka4 d4 65.Ka5 Qa3) 57...f1Q (57...Kf3 58.Kc3 f1Q 59.Kb2 Qe2 60.Ka3 Qc2 61.Kb4 Qb2 62.Ka4 Ke4 63.Ka5 Qa3) 58.Ke3 Qc4 (58...Qf3 59.Kd2 Qb3 60.Ke2 Qc3 61.Kd1 Qb2 62.Ke1 Kf3 63.Kd1 Ke3 64.Ke1 Qe2) 59.Kd2 (59.Kf4 Qd4 60.Kg5 Qe5 61.Kg6 d4 62.Kh7 d3 63.Kg6 d2 64.Kf7 d1Q 65.Kg8 Qg4 66.Kf7 Qgg7) 59...Qd4 (59...Kf3 60.Kd1 Qa2 61.Kc1 Ke3 62.Kd1 Qd2) 60.Ke2 (60.Kc2 Qc4 61.Kd2 d4 62.Kd1 d3 63.Kd2 Kf2 64.Kd1 Qc2) 60…Qc5 (60...Qc5 61.Kd3 Qc4 62.Ke3 c5 63.Kd2 Qb4 64.Kc2 c4 65.Kc1 c3 66.Kd1 Qb2 67.Ke1 Qd2; 60...Qc3 61.Kd1 d4 62.Ke2 Qc2 63.Ke1 Kf3 64.Kf1 Qd1) 0-1. ClayPigeons (2200) - russlo (2220), Rated Bullet game, lichess.org, 2021.

6.c4 ab5

7.cb5 c6 8.a4 cb5 9.ab5 Ra1 10.Ba1 Qb6 11.Nc3 d6 12.Nf3 Bf5 13.Qb3 Ne4 (13...Qa5 14.Bb2=) 14.Be2 Nd7 15.0-0 Rc8 (15...Ndf6 16.Ne4 Be4 17.Nd2=) 16.Bb2 (16.Ne4!? Be4 17.Ng5+/-) 16...Nc3 17.Bc3 Nf6 18.Ra1 Ne4 (18...Qd8 19.Bb4=) 19.Ba5+= Qa7 20.Nh4 (20.b6 Qb8+=) 20...Be6 (20...b6 21.Nf5 gf5 22.f3=) 21.Qb2 (21.Qb1 Bd5 22.Bf3=) 21...b6= 22.Be1 Qc7 23.f3 Nf6 (23...Nc5 24.Rc1 g5 25.Qb1 gh4 26.dc5 bc5 27.Bd3=) 24.g4 (24.Bd3 Nd5 25.Bd2 Bf6=) 24...d5 (24...h6 25.Ng2=) 25.Ng2 Nd7 (25...h5 26.Bg3 Qc2 27.Qc2 Rc2 28.Nf4=) 26.Bd2 (26.Bg3 Qd8+=) 26...f5 27.Bd3 (better 27.Qb4!? Nf8 28.Nf4+=) 27...fg4=+ 28.Rc1 Qd8 29.Rc8 (29.Rc8 Qc8 30.Nf4-/+). ClayPigeons (2185) - NapoleonMG (2270), Rated Bullet game, lichess.org, 2020.

7.cb5 d5 8.a4 c6 9.Nc3 Nbd7 (9...Bf5 10.Bd3=) 10.Nf3= Re8 11.Qb3 (11.bc6 bc6 12.Be2 Ba6=) 11...e5=+ 12.de5 Ne5 13.Be2 (13.Ne5 Re5 14.Be2 c5=+) 13...Ne4 (better 13...Nf3!? 14.Bf3 d4-/+) 14.Ne4= de4 15.Nd4?? (15.Ne5!? Be5 16.Be5 Re5 17.0-0=) 15...Nd3 16.Bd3 ed3 17.0-0 (17.bc6 Bd4 18.cb7 Bb7 19.Qb7 Qa5 20.Kf1 Rab8 21.Qb8 Rb8 22.Bd4 Qa4-+) 17...c5-/+ 18.Nf3 Be6 19.Qa3 c4 20.Rfd1 (20.Bg7 Kg7 21.Qb2 Qf6=+) 20...Rc8 (better 20...Bb2 21.Qb2 Bg4-/+) 21.Nd4? (21.Bg7 Kg7 22.Qc3 Kg8=+) 21...Bd4?? (better 21...Bd5 22.a5 Qg5-+) 22.Bd4= Bf5 (22...Qg5!? 23.Rd2 Bg4=) 23.Qc3+= Qg5 24.f4 (24.Bh8 Qh6+=) 24...Qg4 25.Rd2 Re4 (25...g5 26.fg5 Qg5 27.Rf1=) 26.Rf1 (26.a5 Be6+=) 26...h5 27.Bf6 (27.a5 Bd7+=) 27...h4 (27...Re3 28.Bh8 Kf8 29.Bg7 Ke8 30.Bh6=+) 28.Bh8= Kf8 29.Bg7 Ke8 30.Bf6 (better 30.Bd4!?=) 30...h3-/+ 31.g3 Re3 32.Kh1?? (better 32.Bh4 Qh5 33.a5-/+) 32...Rg3 (32...Be4 33.Kg1 Rg3 34.Kf2 Qf4 35.Ke1 Re3 36.Re2 Re2 37.Kd1 Qf1 38.Qe1 Qe1) 33.Qe5 Kf8 34.Qe7 (34.Qe7 Kg8 35.hg3 Qg3 36.Bc3+- (36.Qb7?? Re8 37.b6 Qe3-+); 34.hg3?! Be6+-) 1-0. ClayPigeons (2180) - Cesit4r (2220), Rated Bullet game, lichess.org, 2020.

7.cb5 d5 8.a4 Nbd7 (8...Bf5 9.Nf3=+) 9.Be2 Nb6 (9...Ne4 10.Nf3=) 10.Nf3 Bg4 11.0-0 Bf3 12.Bf3 Nc4 13.Bc3 Ne4 (13...Qd7 14.Nd2 Nd6 15.Bb4=) 14.Qb3 (better 14.Be4 de4 15.Qc2+=) 14...Ned6 (better 14...Nc3 15.Nc3 e6=) 15.Bd5+- Nb6 (15...Na5 16.Qc2+-) 16.Bf3 e6 (16...Nd7 17.Rd1+-) 17.Nd2 Qh4 (17...Qd7 18.Rfb1+-) 18.g3 (18.a5 Nbc8+-) 18...Qg5 19.Ne4 (19.Bb4 Rfb8+-) 19...Ne4 (better 19...Qf5!? 20.Nd6 Qf3+=) 20.Be4+- Nd5 21.Bg2 c6 22.Bb2 Rfd8 23.Ba3 (23.a5 Rdb8+-) 23...h5 (23...e5 24.e4 Nf6 25.f4 ef4 26.bc6 bc6 27.e5+-) 24.Bc5 (24.bc6 bc6 25.Qb7 Rdc8+-) 24...h4 25.bc6 bc6 26.Qb7 Rac8 (26...hg3 27.hg3 Rdc8 28.Rfc1+-) 27.a5 hg3 28.hg3 Bf6 (28...Bf8 29.Bf8 Rf8 30.a6+-) 29.a6 Kg7 30.a7 Rh8 (30...Ne3 31.a8R Ra8 32.Ra8 Ra8 33.Qa8 Nf1 34.Qf8 Kh7 35.Qf7 Bg7 36.Bf1 Qf5 37.Qf5 gf5+-) 31.f4 (better 31.a8Q Qh6 32.Rfb1 Qh2 33.Kf1 Ra8 34.Ra8 Ra8 35.Qa8+-) 31...Qg3+/- 32.Rf3 Qh2 33.Kf2 Ra8 (33...Qh4 34.Kf1 Ra8 35.Qc6+/-) 34.Bd6 (worse 34.Qc6 Rhc8 35.Qb7 Qh4 36.Kg1 Qg4+-) 34...Bh4 (34...Qh4 35.Kg1 Qh2 36.Kf1 g5 37.fg5 Qd6 38.gf6 Nf6+-) 35.Ke2?? (better 35.Kf1!? Bf6 36.Bb8 (36.Qc6?! Rhc8 37.Qc8 Rc8+/-) 36...Ne3 37.Re3 Rhb8 38.Qb8 (38.ab8R?? Ra1 39.Re1 Ra2-+; 38.ab8Q?! Ra1 39.Re1 Ra2=; worse 38.ab8N Ra1 39.Kf2 Qf4 40.Ke2 Ra2 41.Qb2 Rb2 42.Kd1 Qe3 43.Nc6 Qd2; 38.ab8B?? Ra1 39.Re1 Bd4 40.Ra1 Qg1 41.Ke2 Qg2 42.Kd1 Ba1-+) 38...Bd4 39.Raa3 (39.Qa8 Be3 40.Ke2 Qg3 41.Qh8 Kh8 42.a8Q Kg7=) 39...Be3 40.Qe5 (40.Qa8 Qf4 41.Ke2 Qf2 42.Kd3 Qd2 43.Kc4 Qd4 44.Kb3 Qd3 45.Kb4 c5 46.Ka4 Qc4 47.Ka5 Qb4 48.Ka6 Qa3 49.Kb5 Qd3 50.Kc6 Qa6 51.Kd7 c4-+; worse 40.Re3 Ra7 41.Qa7 Qf4 42.Rf3 Qc4 43.Kg1 e5+-) 40...Kg8 41.Re3 (worse 41.Qe3 Qh5 42.Qb3 Qg4 43.Qb8 Kg7+-) 41...Ra7 42.Rh3 Qh3 43.Bh3+-) 35...Nc3 (better 35...Qg2 36.Kd3 Qf3 37.Be5 Bf6-+) 36.Kd3?? (better 36.Kf1 Ne4 37.Be5 Bf6 38.Ra2 Ng3 39.Rg3 Qg3 40.Qc7+= (worse 40.Qc6 Be5 41.Qf3 Qf3 42.Bf3 Bc7-/+)) 36...Ne4?? (better 36...Qg2 37.Bb8 Qf3 38.Qa8 Qe2 39.Kc3 Qe3 40.Kc4 Qe2 41.Kb3 Qd3 42.Kb2 Bf6 43.Rc1 Rh2 44.Rc2 Rc2 45.Ka1 Qd1) 37.Be5+- (37.Ke4 Qg2 38.Rc1 Bf6 39.Qc6 Rh3=+) 37...Nf6? (37...Bf6 38.Ra2 Be5 39.fe5 Ng5+-) 38.f5 (better 38.Bh3 Be1 39.Re1+-) 38…gf5 (38...gf5 39.Bh2 c5+-). ClayPigeons (2175) - LarsBrobakken (2265), Rated Bullet game, lichess.org, 2019.

7.cb5 d5 8.a4 Nbd7 (8...Bf5 9.Bd3=+) 9.Nf3= Nb6 (9...Ne4 10.Be2=) 10.Nc3 Nc4 (10...Ra5 11.Qd2+=) 11.Bc4+= dc4 12.0-0 Bd7 (12...Bg4 13.h3 Bf5 14.Ne5+=) 13.Qe2 Be6 14.Ng5 (14.Ne5 Qd6+/-) 14...Bf5 (14...Qd6 15.Nce4 Ne4 16.Ne4+/-) 15.Qc4+/- h6 16.Nf3 Ne4 17.Ne4 Be4 18.Nd2 Bd5 19.Qe2 c6 20.Rfc1 cb5 21.ab5 Qb6 22.f3 (22.Rc5 Ra1 23.Ba1 Rd8+/-) 22...Rfd8 23.Qd3 Ra1 24.Ba1 e5 25.Nc4 (25.de5 Be6 26.Qe2 Rd5+/-) 25...Qb5 (better 25...Bc4 26.Qc4 ed4 27.ed4 Bd4 28.Kh1 Ba1 29.Ra1 Qd4=) 26.de5?? (better 26.Ne5 Qb6 27.Qc3+/-) 26...Qe8?? (better 26...Rc8-+) 27.Nd6 (27.Rd1 Qb5 28.e4 Rc8 29.ed5 Qc4 30.Qc4 Rc4+-) 27...Qe6 (27...Bc6 28.Qb3 Qe6 29.Qe6 fe6 30.Bd4+/-) 28.f4 (better 28.Nb7!? Ra8 29.Nc5+-) 28...Bc6 29.Qa3 (29.Bd4 Bf8 30.Bc5 Bd6 31.Bd6 Qa2+=) 29...f6 (29...Bf8 30.Qc3+=) 30.Bd4 (better 30.ef6!? Qd6 31.Qd6 Rd6 32.fg7+-) 30...fe5= 31.fe5 Be5 32.Be5 Qe5 33.Qb3?? (better 33.Rd1=) 33...Bd5-+ 34.Qb6 (34.Nc4 Rc8 35.Qd3 Qg5-+) 34...Qd6 (34...Rd6 35.Rc8 Kg7 36.Qc7 Bf7 37.Qc3 Qc3 38.Rc3-+) 35.Qd6 Rd6 36.Rc8 (36.Rd1 Rd7-+) 36...Kf7 37.Kf2 (37.Rc2 Ke6-+) 37...Ke6 (37...Bc6!? 38.Ke2-+) 38.g3 Be4 39.Ke2 Rd2 (better 39...Kd7 40.Ra8 b5-+) 40.Kd2+- 1-0. ClayPigeons (2205) - Histran (2265), Rated Bullet game, lichess.org, 2019.

7.cb5 d6 8.a4 e5 (8...c5 9.Nf3=+) 9.Nc3 (9.de5 Ng4=) 9...ed4=+ 10.ed4 Re8 11.Be2 Bg4 12.Nf3 (12.h3!? Be2 13.Nge2=+) 12...Bf3-/+ 13.gf3 Qd7 14.0-0 Qh3 15.Re1 Nh5 (15...d5 16.Bc1=+) 16.Ne4 (16.Nd5 Qc8+=) 16...Nf4 (16...d5!? 17.Bf1 Qc8=+) 17.Bf1= Qf5? (17...Qd7 18.Qd2 Nh5 19.a5=) 18.Rc1 (18.Nf6 Bf6 19.Re8 Kg7+-) 18...Nd7 (better 18...Re7!?=) 19.Rc7+/- Nf6 (19...Nb6 20.a5 (worse 20.Nd6 Re1 21.Qe1 Qg5 22.Kh1 Qd5+=) 20...Nbd5 A) 21.Nd6 Qg5 22.Kh1 Re1 (22...Nc7?! 23.Ne8 Ne8 24.Bc1-+) 23.Qe1 Nc7-+; B) 21.Rb7 Ra5 22.Nd6 Qg5 23.Kh1+/-) 20.Ng3 (20.Nf6 Qf6 21.Re8 Re8 22.Rb7 Ra8+/-) 20...Qg5 (20...Re1!? 21.Qe1 Qe6 22.Qe6 fe6+=) 21.Re8 Re8 22.Rb7 h5 23.Qb3 d5 24.Kh1?? (24.Qc3 h4 25.Qc7+/-) 24...h4 (24...Re1 25.Kg1 h4 26.Rb8 Kh7-+) 25.Ne2?? (better 25.Ne4! Ne4 26.fe4 Re4 27.Qd1+/-) 25...Ne2 26.Be2 Re2 (26...h3 27.Bf1 Qg2 28.Bg2 Re1 29.Bf1 Rf1) 27.Qd1 (27.Qc3 h3 28.Qc8 Ne8 29.Qe8 Re8 30.a5 Re1) 27...Rf2 (27...h3 28.Qf1 Re1 29.Rb8 Kh7 30.Rh8 Kh8 31.Qe1 Qg2) 28.Qg1 (28.Rb8 Kh7 29.Rh8 Kh8 30.Qg1 Qe3 31.Qg2 Rg2 32.Kg2 Qe2 33.Kg1 h3 34.a5 Qe1) 28...Qg1 (28...Qe3 29.Qg2 Qe1 30.Qg1 Rf1 31.Rb8 Kh7 32.Rh8 Kh8 33.Kg2 Rg1 34.Kh3 Qe6 35.Kh4 g5) 29.Kg1-+ Rb2 30.a5 (30.Rb8 Kh7 31.Rb7 Nh5 32.Rf7 Kh6-+) 30...Nh5 31.a6 (31.Rb8 Kh7 32.Rb7 Bd4 33.Kf1 Ng3 34.hg3 hg3 35.Rd7 g2 36.Ke1 g1Q) 31...Bd4 32.Kf1 Nf4 33.a7 Rb1 0-1. ClayPigeons (2130) - naxchik (2210), Rated Bullet game, lichess.org, 2020.

5.d4 c5

6.a4 Ne4 7.Bd3 d5 8.dc5?? (8.Ne2 cd4 9.Be4 de4 10.ed4 Bg4=) 8...Nc5 (better 8...Bb2 9.Ra2 Nc3 10.Nc3 Bc3 11.Kf1 e5-+) 9.Bg7= Kg7 10.Be2 e5 11.Nf3 Re8 (11...Qd6 12.c4 e4 13.Nd4+=) 12.0-0 (12.Nc3 Bf5+=) 12...Be6 (better 12...Ne4!?+=) 13.Ne5+/- Qf6 14.f4 Ne4 15.Ra3 (15.Qd4 Nd7 16.c4+/-) 15...Nd7 (15...Qe7+/-) 16.Nd2?? (better 16.Nd7 Bd7 17.Qd5+-) 16...Ne5= 17.Ne4 de4 18.fe5 Qe5 19.c3 Rad8 20.Qc2 (20.Qc1 Re7=) 20...Rd6 (20...Qd6 21.Qc1-/+) 21.c4 (better 21.Raa1!?=) 21...Red8-/+ 22.c5?? (better 22.Rf2-/+) 22...Rd2-+ 23.Qc3 (23.Rc1 Rc2 24.Rc2 Rd5-+) 23...Qc3 24.Rc3 Re2 25.Rc4 (25.Kh1 Rdd2 26.Rg1-+) 25…Bc4 (25...Bc4 26.Kh1 Re3-+) 0-1. ClayPigeons (2140) - Ralsala (2215), Rated Bullet game, lichess.org, 2021.

6.bc6 bc6 7.c4 Bb7 (7...c5 8.Nf3=) 8.Qb3 d5?? (better 8...Qc7=) 9.Qb7+- Nbd7 (9...Qb6 10.Qb6 (10.Qa8?! Qb2 11.cd5 Qa1=) 10...ab6 11.Nf3+-) 10.Qc6 Rb8 11.Ba3 (better 11.Bc3+-) 11...Qa5+= 12.Nd2 Qa3 (12...Rfc8 13.Bb4 Qb4=+ (13...Rc6?? 14.Ba5 e6 15.Ngf3+-)) 13.Ngf3?? (better 13.cd5 Nb6 14.Qc5+/-) 13...Rfc8-+ 14.Qc8 (14.cd5 Rc6 15.dc6 Qc3-+) 14...Rc8 15.Be2 (15.c5 Ne4 16.Rd1 Nc3-+) 15...dc4 16.Bc4 (16.0-0 Nb6 17.Rfc1-+) 16...Rc4! 17.Rb1 (17.Nc4 Qc3 Double attack (17...Qc3 Decoy)) 17…Rc1 (17...Rc1 18.Rc1 Qc1 19.Ke2 Qh1-+) 0-1. ClayPigeons (2175) - timfz (2275), Rated Bullet game, lichess.org, 2020.

6.bc6 bc6 7.Nf3 d6 8.Nbd2 Bg4 9.Be2 Nbd7 10.0-0 Rb8 11.Ba3 (11.Rb1 c5=) 11...Qc7 12.h3 Bf3 13.Bf3 c5 14.c3 Rfc8 15.Nb3 cd4 (15...e5 16.e4=) 16.cd4= Qc2 (16...Qc4!?=) 17.Qc2+= Rc2 18.Rfc1 Rc1 (18...Rbc8 19.Na5 Nb8 20.Rc2 Rc2 21.Rb1+=) 19.Rc1+/- Nb6 (19...Ne8!?+/-) 20.Rc7 Nbd5 (20...Nfd5 21.Ra7 Nc8 22.Ra6+- (22.Bd5?! Na7 23.Be4 Nb5=+)) 21.Ra7+- Rc8 22.Kh2 h5 23.Na5 (better 23.g4!? Rc2 24.g5 Rf2 25.Kg3 Ra2 26.gf6 h4 27.Kh4 Bf6 28.Kg3 Ne3 29.Be4+=) 23...Rc2+= 24.Nb7 (24.e4 Ra2 25.Nc6+= (25.ed5?! Ra3 26.Nc6 Ra7 27.Na7 Kf8=)) 24...Ra2= 25.Nd8 Rf2 (25...e5 26.de5 de5 A) worse 27.Nf7 e4 28.Ng5 Bf8 (28...ef3 29.Ra8 Bf8 30.Rf8 Kg7 31.Ra8 Rf2 32.Bf8 Kh8 33.Bh6 Ng8 34.Nf3+-) 29.Ne4 Ba3-/+; B) 27.e4=+) 26.Nc6 (26.e4 Ne4 27.Be4 Bd4=) 26...e6 (26...Ra2 27.e4 Nc3 28.Nb4-/+) 27.Bd6= Ne3 28.Ne7 Kh7 29.Bg3 (29.Nc6!? g5 30.Rf7=+) 29...Rb2 (29...Nf1 30.Kg1 Rf3 31.Be5-/+) 30.Bf4 Ned5 (better 30...Nf1!? 31.Kg1 Nd2 32.Bd2 Rd2-/+) 31.Nd5= Nd5 32.Rf7? (better 32.Bd5 ed5 33.Rf7=) 32...Nf4-/+ 33.Rf4 e5 34.de5?? (better 34.Re4 ed4 35.Re6-/+) 34...Be5-+ 35.Kg3 g5 (35...Rb4 36.Kf2 Bf4 37.g4-+) 36.Be4 (36.Bh5 gf4 37.Kf3 Kg7-+) 36...Kh6 37.Kf3 Bf4 38.g3 (38.Bd5 h4-+) 38...Rb3 39.Kf2 Rg3 40.Ke2 (40.Bf5 g4 41.hg4 h4-+) 40...Rh3 (better 40...Re3 41.Kf2 Re4 42.Kf1-+) 41.Kf2 (41.Bg2 Re3 42.Kf2 h4-+) 41...Re3 42.Bf5 Rc3 (42...g4 43.Kg2-+) 43.Kg2 Rc5 44.Be6 Re5 (better 44...g4-+) 45.Kf2 (45.Bc8-+) 45...Re6 46.Kf3 (46.Kg1 h4 47.Kg2 g4 48.Kf1 Bg3 49.Kg2 Re3 50.Kg1 h3 51.Kh1 Re1) 46...h4 (46...Re3 47.Kf2 h4 48.Kg1 h3 49.Kf2 g4 50.Kg1 Bg3 51.Kh1 Re1) 47.Kg2 (47.Kg4 Kg6 48.Kh3 Re3 49.Kg2 h3 50.Kf2 g4 51.Kg1 Bg3 52.Kh1 Re1) ½-½. ClayPigeons (2135) - jlauz (2280), Rated Bullet game, lichess.org, 2019.

5.d4 d5

6.c4 dc4 7.Bc4 c6 8.a4 cb5 9.ab5 Bg4 10.Qb3 Nbd7 11.Nc3 (11.f3!? Bf5 12.e4 Ne4 13.fe4 Be4 14.Nf3 Bf3 15.Qf3+/-) 11...Nb6= 12.Bd3 (12.Be2 Be6 13.Qc2 Nc4=) 12...Be6 (12...e5 13.Nge2=+) 13.Qc2 Nbd5 14.Ba3 (14.Nd5!? Qd5 15.Nf3=) 14...Rc8=+ 15.Bb2 Nb4 16.Qd2 Nd3 17.Qd3 Bc4 18.Qd2 Nd5 19.Ra7 Nc3 20.Bc3 (20.Qc3?? Bd5 (20...Bb5?! 21.Qb3 Ba6 22.Ne2-+) 21.f3 Rc3 22.Bc3 Qb6-+) 20...Bb5 21.Nf3 (21.Rb7?? Bc6-+) 21...Bc6 (21...Qd5 22.Ra1=+) 22.0-0= Bf3 23.gf3 Qd5 24.Qe2?? (better 24.Rb1=) 24...Qg5 (24...Rc3!? 25.Qb2 Rc7 26.f4-+) 25.Kh1 b6?? (better 25...Rc3 26.Rb7 e5-+) 26.Bb4= Rfe8 27.Rg1 Qf6 28.Qb2?? (better 28.f4=) 28...Qf3-+ 29.Rg2 Qd1?? (better 29...e5 30.Ra3 ed4 31.ed4 Bd4 32.Rf3 Bb2-+) 30.Rg1-/+ Qf3 31.Rg2 Qd1?? (better 31...e5 32.Bd2 ed4-+) 32.Rg1-/+ Qc2 (better 32...Qd3 33.Qb1 Qe2-/+) 33.Qa3?? (better 33.Qc2 Rc2 34.Kg2=+) 33...Qf2-+ 34.Be7 (34.Bc3-+) 34...Qf3 35.Rg2 Qf1 (35...Rc2! 36.e4 Qg2) 36.Rg1-+ Qf3 37.Rg2 Qd1 (37...Rc2! 38.e4 Qg2) 38.Rg1-+ Qh5 (better 38...Qc2 39.Qa2 Qa2 40.Ra2 Re7-+) 39.Bd6?? (39.Rg5 Qh4 40.Rg2-+) 39...Qf5 (39...Qf3 40.Rg2 Rc2 41.Rf7 Qg2) 40.Bf4 (40.Qa1 Qd5 41.Rg2 Re3 42.Rc7 Rc7 43.Bc7 Bd4 44.Qf1-+) 40...Rcd8 (40...Qe4 41.Rg2 Rc2 42.Qf8 Bf8 43.Rf7 Qg2) 41.Qb3 (better 41.Qc1-+) 41...Qd5?? (better 41...Bd4 42.Rg5 Qf6-+) 42.Qd5-/+ Rd5 43.Rb7 Rdd8 (43...b5 44.Rb1=+) 44.Kg2 (44.Rb6 f5=) 44...Bf8 (44...h6!? 45.Kf3 Ra8=) 45.Rb6+= Bd6?? (better 45...Rd7+=) 46.Rb7 (better 46.Bd6 Re3 47.Be5+-) 46...Bf4-/+ 47.ef4 Kf8 (47...Rd4 48.Kf3-+) 48.Kg3? (48.Rd1 Re4=+) 48...Re7 (better 48...Rd4 49.Rf1 Kg7-/+) 49.Rf1?? (better 49.Re7 Ke7 50.Re1 Kd6 51.Kf3=) 49...Rb7-+ 50.Rf3 (50.Rd1 Rbd7-+) 50...Re7 51.f5 Rde8 (51...Rd4 52.Rf2-+) 52.fg6 (52.Rd3 Re3 53.Re3 Re3 54.Kf2 Rd3-+) 52...hg6 53.h4 (53.Rd3 Re3 54.Re3 Re3 55.Kf4 Rh3-+) 53...Kg7 (53...Rd7 54.h5 gh5 55.Rf5-+) 54.Kg4 (54.Rd3 Rd7-+) 54...Re4 55.Kg3 Rd4 56.h5 (56.Rb3-+) 56...Rd3! 57.hg6?? (57.Rd3 gh5 Passed pawn) 57...Rf3 58.Kf3 fg6 59.Kg4 Rf8 (59...Kf6 60.Kg3 Kf5 61.Kf2 Kf4 62.Kg2 Re2 63.Kg1 Kf3 64.Kf1 g5 65.Kg1 g4 66.Kf1 g3 67.Kg1 Re1) 60.Kg5 Rg8 61.Kg4 Rf8 (61...Rf8 62.Kg5 Rf5 63.Kh4 g5 64.Kg4 Kf6 65.Kh3 Rf3 66.Kh2 Ke5 67.Kg2 Kf4 68.Kh2 Rf2 69.Kh1 Kg3 70.Kg1 g4 71.Kh1 Rf1) 0-1. ClayPigeons (2210) - StaryPijanyv2 (2320), Rated Bullet game, lichess.org, 2020.

6.c4 c6 7.a4 a6 8.Nc3 ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 cb5 12.Nb5 Nc6 13.Ne2 Na5 14.Bd3 Qb6 15.0-0 Be6 16.Qb1 Nc4 17.Rd1 Ra8 18.Nf4 Ra1?? (better 18...Bf5 19.Bf5 gf5+=) 19.Qa1+- Qb5 1-0. ClayPigeons (2170) - demon_crimea (2345), Rated Bullet game, lichess.org, 2020.

6.c4 c6 7.a4 dc4 8.Bc4 Nbd7 9.Nc3 Nb6 10.Bd3 cb5 11.ab5 Nbd5 12.Qb3 Be6 13.Bc4 Nc3 14.Be6 (14.Qc3?? Rc8-+) 14...Nb5 15.Bf7 Rf7 16.Qb5 Kh8 (16...Qd5 17.Qd5 Nd5 18.Nh3=) 17.Nf3 (worse 17.Qb7 Rb8 18.Qa7 Rb2-/+) 17...Qd5 (17...a6 18.Qg5= (worse 18.Qb7 Rb8 19.Qa6 Rb2-/+)) 18.Qe2 (18.Ra5 Qb5 19.Rb5 Rb8+=) 18...Ne4= 19.0-0 e6 20.Rfc1 (better 20.Nd2=) 20...Rd8 (20...a5 21.Rc2=) 21.Ba3 (better 21.Ra7!? Kg8 22.Rca1+/-) 21...a6 22.Rab1 (22.Bb4 Ra8+=) 22...Rfd7 (22...g5 23.h3=) 23.Bc5 b5 24.Bb6 Rb8 25.Ba5 h6 26.Rc2 Kh7 27.Rbc1 (27.Bc7 Rb7 28.Be5 a5=) 27...Rbb7 (27...b4 28.Bc7 (28.Qa6? Ra8 29.Qc4 b3 30.Qd5 ed5-+) 28...Rb7 29.Be5= (29.Qa6? b3 30.Rb2 Rdc7-+)) 28.Nd2 (28.Rc6 b4 29.Ra6 e5=) 28...Nd2 29.Qd2 e5 30.Rc5 Qd6 (30...Qb3 31.Bc3=+) 31.Rc6 Qd5 32.Qc2 ed4?? (better 32...Qf7 33.de5 Be5+=) 33.Qg6 Kg8 (33...Kh8 34.Rc8 Rd8 35.Bd8 Re7 36.Be7 Qg8 37.Rg8 Kg8 38.Rc8) 34.ed4 (34.Rc8 Rd8 35.Bd8 Qg2 36.Kg2 Rd7 37.Bf6 Rd8 38.Rd8) 34...Qf7 (34...Qc6 35.Rc6 Rf7 36.Rc8 Rf8 37.Rf8 Kf8 38.Bb4 Kg8 39.Qe8 Kh7 40.Qe4 Kg8 41.Qb7 a5 42.Ba5 Bf6+-) 35.Qf7 (35.Rc8 Rd8 36.Rd8 Qf8 37.Rf8 Kf8 38.Bb4 Re7 39.Rc8) 35...Rf7 (35...Kf7 36.Rd1 b4 37.Ra6 b3-/+) 36.Rd1+/- Kh7 (36...Rfd7 37.d5+=) 37.d5 (37.Ra6 b4 38.Rd6 Rf6 39.Rf6 Bf6+=) 37...Rfd7 38.d6 b4 39.Bb4?? (39.Rb1 b3 40.Bc7+/-) 39...Rb4-/+ 40.Rc7? (40.Ra6 Rd4 41.Rd4 Bd4 42.g4-/+) 40...Rb7?? (better 40...Rd6! 41.Rcc1 Rdd4-+) 41.Rb7= Rb7 42.d7 Bf6 43.h3 Rb8 44.Rd6 Rd8?? (better 44...Kg7=+) 45.Rf6+- Rd7 46.Ra6 Rg7 (46...Rd1 47.Kh2+-) 47.Kh2 (better 47.g4+-) 47...Rg6?? (47...Rf7 48.f3 Rf4+-) 48.g3 (better 48.Rg6 Kg6 49.Kg3+-) 48...Ra6-+ 49.Kg2 Ra2 50.Kf3 Kg6 51.Kg2 Kf5 52.Kf3 Ra3 53.Kg2 Ke4 54.h4 h5 0-1. ClayPigeons (2135) - hoseingolkarfar (2325), Rated Bullet game, lichess.org, 2020.

6.h3 (6.Nf3 a6-/+) 6...c6 (6...a6 7.Nc3-/+) 7.a4 a6 (7...Qd6 8.Nf3+=) 8.Nd2 (8.Nc3 Qd6-/+) 8...Bd7 (8...ab5 9.ab5 Ra1 10.Qa1-/+) 9.ba6 (9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 cb5+=) 9...Na6-/+ 10.Ngf3 Bf5 11.g4 (11.Bd3 Ne4 12.Be4 de4-/+) 11...Be4 (11...Be6 12.c3-/+) 12.Bc3 Qc7 (12...c5 13.Ba6 Bf3 14.Qf3 cd4 15.Bd4 Ra6 16.c4-/+) 13.g5 (13.Bd3 h6+=) 13...Bf3 14.Nf3 (better is 14.Qf3!? Nh5 15.Be2-/+) 14...Ne4-/+ 15.Ra3 (15.Bd2 e5 16.Ne5 Be5 17.de5 Qe5–+) 15...Nc3 (15...Nac5 16.Qa1–+) 16.Rc3 Qa5 17.Qa1 (17.Qd2 Qa4 18.Bg2 Nc7–+) 17...Nc7 (17...Nc5 18.Nd2–+) 18.Nd2? (18.Be2 c5 19.0-0 c4–+) 18...Qa4 (better is 18...e5 19.Rd3 ed4 20.ed4 Rfe8 21.Re3 Ne6–+) 19.Qa4 Ra4 20.Be2 (20.Rb3 b5–+) 20...Ra1 21.Bd1 e5 22.de5 Be5 23.Rb3 b5 24.0-0 Rfa8 25.Rb1 Rb1 26.Nb1 b4 27.Be2 Ra2 28.Bd3 c5 29.f4 Bg7 30.Rf2 Ra1 31.Rf1 c4 32.Be2 Ra2 33.Bd1 c3 34.h4 Bf8 35.h5 Bc5 36.Re1 d4 37.ed4 Bd4 38.Kh1 b3! 39.cb3 c2 40.Bc2 Rc2 41.Rd1 Ne6 42.Na3 Ra2 43.Nb1 Be3 44.Nc3 Rd2 45.Ra1 gh5 46.f5 Ng5 47.f6 h6 48.Rf1 Rf2 49.Re1 0–1. Zbynek,J – Smid,Miroslav (1845), Schneider Bohemia op–C, 2000.

5.Nf3 a5

6.a4 d6 7.c4 Bg4 8.h3 Bc8 9.Be2 Nbd7 10.0-0 c6 11.d4 Re8 12.Nc3 e5 13.de5 de5 14.Qc2 Nc5 15.Ba3 Qb6 16.Bc5 Qc5 17.Ne4 Ne4 18.Qe4 Bf5 19.Qh4 Rad8 20.Ng5 h6 21.Ne4 Qe7 22.Qe7 Re7 23.Ng3 Be6 24.Rfd1 Rd1 25.Rd1 Rd7 26.Rd7 Bd7 27.Ne4 cb5 28.cb5 Kf8 29.Nc5 Bc8 30.Bf3 b6 31.Ne4 Bb7 32.Nd6 Bf3 33.gf3 Ke7 34.Nc8 Kd7 35.Nb6 Kc7 36.Nc4 e4 37.Na5 ef3 38.Nc4 Bc3 39.Kh2 1–0. Abdullaevich (1940) – alfilgrisss (1930), lichess.org, 2019.

6.a4 d6 7.Be2 c5 8.c4 b6 9.0-0 Bb7 10.d4 (10.Nc3 Ne4=) 10...cd4 11.ed4 Nbd7 12.Nbd2 Rc8 13.Re1 Ne4 (13...d5 14.Rc1=) 14.Ne4+= Be4 15.Ng5 (15.Nd2 Bf5+=) 15...Bb7 16.Qb3 (16.Rc1 e5 17.Nh3 Re8=) 16...e5 17.Nf3 Bf3 18.Bf3 (worse 18.gf3 Qg5 19.Kh1 ed4–+) 18...ed4 19.Rad1 (19.Bc6 Nc5 20.Qf3 Qh4=) 19...Nc5=+ 20.Qa3 d3 (20...Re8 21.Re8 Qe8 22.Qa1=+ (22.Bd4?? Bd4 23.Qa2 Qe5–+)) 21.Bg7= Kg7 22.Be4 Qh4 23.g3 (23.Bd3 Rfe8=) 23...Qg4 (23...Qf6 24.Bd3 Rfe8 25.Bf1=) 24.Bd3 Nd3 (24...Rfe8 25.Qc3 Kg8 26.Bc2=) 25.Rd3+= Qc4 26.Rd6 (worse 26.Qd6 Qa4 27.Qb6 Rb8=+) 26...Rfe8 27.Qa1 f6? (better 27...Kg8+=) 28.Re8 Re8 29.Qf6 Kh6 (29...Kg8 30.h3 (30.Rb6 Re1 31.Kg2 Qf1 32.Kf3 Qh1 33.Kg4 Re4 34.f4 Re8+=) 30...Rf8 31.Qe5+-) 30.h4 (30.h3 Qc1 31.Kh2 Qg5 32.Rb6 Qf6 33.Rf6 Re2+-) 30...Re1 31.Kh2 Qe4 Threatening mate: Qh1 32.Qg5 Kg7 33.Rd7 Kf8 (33...Kg8 34.Qd8 Qe8+-) 34.Qf6 (34.Qf6 Kg8 35.Qg7) 1–0. onur604 (2320) – peppppo (2020), lichess.org, 2020.

6.d4 b6 7.Bd3 Bb7 8.0-0 c5 9.dc5 bc5 10.c4 d6 11.a4 Nbd7 12.Nbd2 Nb6 (12...Ng4 13.Bg7 Kg7 14.Be4+=) 13.Qb3 e5 14.e4 Nh5 15.g3 f5 (15...Qd7 16.Bc2+=) 16.Rfe1 (16.Qc2 fe4 17.Be4 Be4 18.Qe4 Qd7+=) 16...f4+= 17.Bf1 g5 (17...Bc8 18.Qd3+=) 18.Bh3 Bc8 19.Bc8 (19.Bf5 g4 20.Nh4 Bh6+=) 19...Qc8+= 20.Ng5 (20.Qd1!? Bf6 21.Ne5=) 20...Qg4= 21.Ngf3 fg3 22.fg3 Ng3?? (better 22...Bh6 23.Rad1 Na4=) 23.hg3+- Qg3 24.Kf1 Rf4 (24...Rf6 25.Ke2 Qg2 26.Kd1+-) 25.Ke2 Qg2 26.Kd1 Raf8 27.Rg1 (better 27.Re2 Qg4 28.Re3 Qc8+-) 27...Qf2 28.Ra3 Rf3 29.Nf3 Rf3 30.Rg7! (30.Qf3?! Qg1 31.Ke2 Nc4=) 30...Kg7 31.Be5! de5 (31...Rf6 32.Bf6 Kf6 33.Qh3+-) 32.Qf3 Qf3 (32...Qg1 33.Ke2 Qh2 34.Qf2 Qf2 35.Kf2+-) 33.Rf3 Nc4 (33...Na4 34.Rd3 Nb6 35.Rd5 Nc4 36.Rc5+-) 34.Rc3 Nb6 (34...Nb2 35.Ke2 Na4 36.Rc4+-) 35.Rc5 Na4 (35...h5 36.Rc7 Kf8+-) 36.Rc7 Kg8 (36...Kg6+-) 37.Rc6 h5 38.Kc2 h4 39.Kb3 Kg7 40.Ka4 h3 41.b6 h2 42.Rc1 (42.Rc1 Kf6 43.b7 h1R 44.Rh1 Kg5 45.Rf1 Kg6 46.b8Q Kg7 47.Ka5 Kg6 48.Qg8 Kh5 49.Rh1) 1–0. DEFFM – GuestRLTT, freechess.org, 2019.

6.d4 b6 7.Bd3 Bb7 8.Nbd2 d6 9.0-0 Nbd7 10.c4 (10.Rb1 Re8=) 10...Re8 11.Bc2 e5 12.Qb1 (12.Re1 Qe7=) 12...ed4 13.ed4 Nf8 (13...d5 14.Re1=+) 14.Re1 (14.d5 N8d7=) 14...Re1 15.Qe1 Qd7 (15...Ne6 16.Qe3=) 16.d5 Re8 17.Qf1 Qg4 (17...Re7 18.Re1=) 18.Re1 Re1 (18...Qc8 19.Nd4+=) 19.Qe1+= (worse 19.Ne1 Ne4 20.h3 Qf4 21.Ne4 Bb2=+) 19...N8d7?? (better 19...Qc8+=) 20.h3+- Qh5 21.Qe7 Nd5 22.Qd7 Bb2 23.Be4 (23.cd5 Bd5 24.Qc7 Bf3 25.Nf3 Qb5+-) 23...Nf6 24.Qd8 Kg7 25.Bb7 Qc5 26.g4 Bc3 (26...h6 27.Kg2 Bc3+-) 27.g5 Nh5 (27...Qf5 28.gf6 Qf6 29.Qf6 Bf6+- (29...Kf6?? 30.Ne4 Ke6 31.Bd5 Ke7 32.Nc3+-)) 28.Bd5 Nf4 (28...Bd2 29.Qe7 Qd5 30.cd5+-) 29.Ne4 Qb4 30.Nf6 Nd5 (30...Nh3 31.Kg2 Ng5 32.Ne8 Kg8 33.Ng5 Qb5 34.Nf6 Kg7 35.Ne6 fe6 36.Qe7 Kh6 37.Ng8 Kh5 38.Bf3) 31.Qg8 1–0. DEFFM – GuestDJFJ, freechess.org, 2020.

6.d4 d5 7.Bd3 c5 8.c4 cd4 (8...dc4 9.Bc4 cd4 10.Bd4=) 9.Bd4 (worse 9.Nd4 e5 10.Ne2 Be6 11.cd5 Qd5-/+ (worse 11...Bd5 12.0-0=+)) 9...Bg4 10.Nbd2 dc4 (10...Nbd7 11.h3 Bf3 12.Nf3 (worse 12.gf3 e5 13.Bb2 Nc5-/+; 12.Qf3?? e5–+) 12...dc4 13.Bc4=) 11.Bc4 (11.Nc4 Nbd7=) 11...Nbd7= 12.h3 Bf3 13.Nf3 Re8 (13...Nb6 14.Bb3=) 14.Ng5 (14.Rc1 e6=) 14...e6= 15.0-0 (15.Rc1 Rc8 16.0-0 Nd5 17.Bd5 Rc1 18.Qc1 ed5+= (18...Qg5? 19.Bb7 Bd4 20.ed4 Qc1 21.Rc1+-)) 15...h6 16.Nf3 e5 17.Bb2 Qe7 (17...e4 18.Nd2=) 18.Rc1 (18.Qe2 Rac8+=) 18...a4 (18...e4 19.Nd4+=) 19.Nh4 (19.a3 e4 20.Nh4 Kh7=) 19...Kh7= 20.a3 (better 20.Qe2=) 20...Nc5 (better 20...Nb6=) 21.Bf7!+- Red8?? (21...Qf7 22.Rc5 Discovered attack (22.Rc5 Deflection; 22.Rc5 Overloading)) 22.Bg6+- (22.Bg6 Kh8 23.Qf3+-) 1–0. Massudy (2365) – vk1269 (2225), lichess.org Rated Rapid game, 2020.

6.d4 d6 7.Bd3 Bd7 8.c4 c6 9.bc6 (9.Nc3 c5+=) 9...Nc6= 10.Nc3 Nb4 11.Be2 Rc8 12.a3 Na6 13.0-0 e6 (13...Qb6 14.Rb1+=) 14.Rc1 Rb8 15.Nb5 (15.Rb1 Bc6+=) 15...Bb5 (15...Bc6 16.Rb1+=) 16.cb5+/– Nc7 17.a4 (17.Qd2 Ra8+/–) 17...d5 (17...Ncd5 18.Qb3+=) 18.Qb3 Nd7 (18...Ne4 19.Rc2+/–) 19.Rc2 Ne8 (19...Na8 20.Rfc1 Qb6 21.Qc3+/–) 20.Rfc1 (better is 20.Ba3+-) 20...Nd6+/– 21.Ba3 Ne4? (better is 21...Nb6+/–) 22.Bf8+- Bf8 23.Bd3 Ndf6 24.Ne5 Bb4 25.Rc7 Nd6 26.Qc2 (better is 26.b6+-) 26...h5?? (better is 26...Nc4 27.Rc4 dc4 28.Bc4 Ba3+/–) 27.Bg6 fg6 (27...Nfe4 28.Nf7 Qf6 29.Bh7 Kf8+-) 28.Qg6 Kf8 29.Qg7 Ke8 30.Qf6 Qf6–+ (30...Qf6 31.Nd7 Qd8 32.Nb8 Qb8–+) 0–1. Fournier,Frederic – Lukcho1, Partie evaluee, 1m + 1s, 2008.

6.Be2 d5=.

6.h3 d5 7.Be2=.

6.h3 d6 7.Be2 Nbd7 8.0-0 a4 9.d4 Re8 10.a3 c5 (10...e5 11.de5 Ne5 12.Ne5 de5 13.Qd8 Rd8 14.Be5=) 11.bc6 bc6 12.c4 Rb8 13.Ra2 c5 14.Nc3 cd4 15.Nd4 Bb7 16.Qa4 Qc8 (16...Nc5 17.Qc2=) 17.Rd1 Qc5 (17...Ne5 18.Ba1=) 18.Ba1 Qg5 19.Nf3 Qf5 20.Nb5 Nc5 21.Qb4 Nce4 22.Bd3 Qh5 23.Qe1 Nc5 (23...Rec8 24.a4=) 24.Be2 Ne6 (24...Qf5 25.a4+=) 25.a4 Nc5 (25...Ng5!? 26.Nd2 Qh6 27.Bf6 Bf6+/–) 26.Bd4+/– Nfe4 27.a5 Qf5 (27...Qh6 28.Rda1 Na6 29.Nd2+/–) 28.Bg7+/– Kg7 29.Nc7 Rec8 30.Nd5 Re8 (30...Bd5 31.cd5 (31.Rd5?! Qf6=) 31...Nb3 32.Bd3 Qd5 33.Be4 Qe4 34.a6+/–) 31.Nd4 Qg5 32.f4 Qg3 (32...Qh6 33.Nb5+-) 33.Qg3 Ng3 34.Bf3 h5 (34...e5 35.Nb5 e4 36.Bg4+-) 35.Nc7+- Rec8 36.Ndb5 Ba6 37.Nd5 Kf8 38.Nb6 Rd8 39.Nd4 Re8 40.Bc6 Red8 41.Bd5 Re8 42.Kh2 h4 43.Nf3 Nf5 44.e4 Ne3 45.Rc1 Nd5 46.ed5 Rb7 (46...Kg7 47.Nh4 e5 48.de6 Re6 49.Rd1+-) 47.Nh4 Kg7 48.Rc3 Nd7 (48...e5 49.de6! Re6 50.Rg3+-) 49.Nd7 Rd7 50.Nf3 Rc8 51.Nd2 Kf8 (51...Rb7 52.Kg3+-) 52.Rb3 Ke8 53.Kg3 Ra7 54.Ra4 Kd7 55.Rb6 Raa8 (55...f6 56.Kf2+-) 56.Kf3 (56.Kf2 Rg8+-) 56...e6 57.Ne4 Bc4 58.Rb7 (58.Rd6?! Ke7 59.de6 f5=) 58...Kd8 59.Nf6 Rc5?? (better is 59...Bd5 60.Nd5 ed5 61.Rf7 Rc3 62.Ke2 Ra6+-) 60.Rf7 Raa5 61.Rc4! Rc4 62.de6 Rc3 63.Kg4 Re3 64.Rd7 Kc8 65.e7 Rf5 (65...Ra2 66.Rd8 Kb7 67.e8Q Rg2 68.Kh4 Re8 69.Ne8+-) 66.Rd8 White prepares e8 66...Kc7 67.Ne8 Kc6 68.Nd6 Rd5 (68...Rf4 69.Kf4 Re7 70.Nc4+-) 69.Nc8 Rc5 (69...g5 70.e8Q Re8 71.Re8+-) 70.e8Q Re8 71.Re8 Kd7 72.Rf8 (better is 72.Rg8 Ke6 73.Nb6+-) 72...Rc8 (72...Rc2 73.g3 Rc6+-) 73.Rc8 Kc8 (73...Ke6 74.Kg5 Kf7 75.Rc5 Ke6 76.Kg6 Kd7 77.f5 Kd8 78.f6 Kd7 79.f7 Ke7 80.f8Q Kd7 81.Qf7 Kd6 82.Qc7 Ke6 83.Re5) 74.Kg5 1–0. calabuig (2005) – cachisss (1930), gameknot.com, 2015.

5.Nf3 a6

6.a4 ab5 7.ab5 d5?? 8.Ra8+- (8.Ra8 Nbd7 9.Be2+-) 1–0. DEFFM (2135) – Kaola (1940), rated rapid game, lichess.org, 2020.

6.a4 b6 A) 7.Nc3 c5 (7...d5 8.Be2 Re8 9.0-0 c5 10.ba6 e5=) 8.Be2 d5 9.0-0 Bf5 10.Re1 Ne4=; B) 7.Be2 d5 (7...c5 8.d4 cd4 9.Bd4 d6 10.0-0 Nbd7=) 8.0-0 c5 9.Nc3 Bf5 10.d4 c4=.

6.a4 c5 7.bc6 (7.Be2 d5 8.0-0 Bf5 9.d3 Qd6 10.c4 ab5=) 7...Nc6 8.Be2 d6 9.0-0 Bf5 10.c4 d5=.

6.a4 c6 7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 Ne4 11.Bg7 Kg7 12.Qc2 d5 13.Bd3 Bf5 (13...Nf6!?=) 14.Nc3+= Nc3 (14...Qd7 15.g4 Bg4 16.Ne5=) 15.Qc3+- (15.dc3?! Bg4=) 15...d4?? (better 15...Kg8 16.Bf5 gf5+-) 16.Nd4+- e5 (16...Kg8 17.Bf5 (17.Nf5?! gf5 18.Bf5 Nd7+-) 17...e5 18.Ne6 fe6 19.Be6 Kg7 20.Qe5 Qf6 21.Qf6 Rf6 22.Bd5+-) 17.Nf5 gf5 1–0. DEFFM – GuestZPWB, freechess.org, 2019.

6.a4 c6 7.c4 d5 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Bg4 (10...dc4 11.Bc4 cb5 12.Bb5=) 11.Qb3 (11.cd5 Qd5 12.Nc3 Qe6=) 11...Nbd7 (11...dc4 12.Qc4 Qd7 13.d4=) 12.bc6 (12.d4 dc4 13.Qc4 Be6=) 12...bc6+= 13.cd5 cd5 (worse is 13...Nd5 14.Bg7 Kg7 15.Nd4+=) 14.0-0 (14.Nc3 Qa5 15.0-0 Rb8=) 14...Nc5 (14...e5 15.Rc1+=) 15.Qa3 (15.Qb4 Nce4=) 15...Nce4 (15...Ne6 16.Bf6 Bf6 17.d4=) 16.d3 Nd6 (16...Bf3 17.Bf3 Ng5 18.Be2=) 17.Be5 Nfe8 (17...Nf5 18.d4=) 18.Bg7+= Ng7 19.Nbd2 (19.Qb4 Bf3 20.Bf3 e6+=) 19...Qa8 (19...e5 20.h3 Bf3 21.Nf3+=) 20.Qb4 h5 (20...Bf3 21.Bf3 (worse is 21.gf3 Rb8 22.Qc3 Rc8+=) 21...Ne6 22.Nc4+=) 21.h3 (21.Rb1 Rc8+=) 21...Bf3 (21...Rb8 22.Qc3 Bf3 23.Bf3+= (worse is 23.gf3 Qa2 24.d4 Rb2+=)) 22.Bf3 (worse is 22.gf3 Rb8 23.Qc3 Qa2+=) 22...Qa2 (22...Qa6 23.Qd4 e6 24.Ra1+=) 23.Nb3+/– Qc2 24.Nd4 Qd3 25.Nc6 Ngf5 (25...Nc8 26.Rd1 Qc2 27.Ne7 Ne7 28.Qe7+/–) 26.Ne7! Ne7 27.Qd6 Nf5 (27...Re8 28.Qd7 Kf8 29.Rd1+/–) 28.Qe5 (28.Qd7 d4 29.Rd1 Qa6 30.ed4 Qe6+/–) 28...d4 (28...Rd8 29.Rd1 Qc2 30.Rd5 Rd5 31.Bd5+-) 29.Be4 Qd2 30.Bf5 gf5 (30...de3 31.fe3 gf5 32.Qg3 Kh8 33.Rf5 Qd1 34.Kh2+-) 31.ed4 Rd8 32.Qf5 Qd4 (32...Rd4 33.Qh5 Re4 34.Qf5+-) 33.Qh5 (33.Qg5 Kf8+-) 33...Rd6 (33...Rd5 34.Qf3+-) 34.Rb1 (better is 34.Re1 Kg7 35.Qg5 Rg6 36.Qe7+-) 34...Rg6?? (34...Kg7+-) 35.Rb8 Kg7 (35...Qd8 36.Rd8 Kg7 37.Qh8) 36.Qh8 1–0. DEFFM – GuestHSXK, freechess.org, 2018.

6.a4 c6 7.d4 ab5-/+ 8.ab5 Ra1 9.Ba1 Qa5 (9...cb5 10.Nbd2-/+ (10.Bb5?? Qa5 11.Nc3 Ne4–+)) 10.Bc3=+ Qa4 (10...Qc7 11.Bb2=+) 11.Bd3 (11.Bd2 Ne4=+) 11...cb5-/+ 12.0-0 (12.Bb2 Qa2 13.Qc1 b4-/+) 12...b4 13.Bb2 d5 14.Nbd2 Nc6 15.Qa1 Qa1 16.Ra1 Bf5 17.Bf5 gf5 18.Ne1 Ne4 19.Nb3 Bh6 (19...Nd6 20.Nd3-/+) 20.Nd3 Rc8 21.Nbc5 b6 (better 21...Nc5!? 22.dc5 Bg7=+) 22.Nd7= b5 (22...e6 23.Nb6 Rc7 24.g3=) 23.Nb6+= Rd8 24.Ra6 Nb8 (24...Nf6 25.Nd5 Nd5 26.Rc6+=) 25.Ra5 Nd6? (better 25...Nc6!? 26.Rb5 e6+=) 26.Nd5+- Nc4 (26...e6 27.N5b4 Bf8 28.Ba1+-) 27.Rb5 Nb2 (27...e6 28.Nf6 Kg7 29.Nh5 Kg6 30.Rb4 Nb2 31.Ndf4 (31.Rb2?! Kh5 32.Rb7 Nd7=) 31...Kg5 32.g3+- (worse 32.Rb2 e5+-)) 28.Nb2 Kf8 (28...Nc6 29.Nd3 b3 30.cb3+-) 29.Nb4 f4 30.e4 e6 31.f3 (31.N2d3 Nd7+-) 31...Ke7 (31...Bg7 32.e5 Rc8+-) 32.Rb8! (32.Rb8 Rb8 33.Nc6 Ke8 34.Nb8+-) 1–0. Massudy (2265) – tomyumchess (2100), lichess.org Rated Rapid game, 2020.

6.a4 c6 7.Be2 d5 (7...ab5 8.ab5 Ra1 9.Ba1 cb5 10.Bb5=+) 8.0-0 (8.Nc3 Ne4=) 8...Bg4 (8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5=+) 9.c4 (9.Nc3 Nbd7=) 9...e6 (9...dc4 10.Na3=+) 10.Qb3 (10.cd5 Nd5 11.Bg7 Kg7=) 10...dc4 (10...ab5 11.cb5 cb5 12.Rc1=+) 11.Qc4= ab5 12.ab5 Ra1 13.Ba1 Bh5? (better 13...Qd5=) 14.bc6+- Nc6 (14...Bf3 15.c7 (15.gf3?! Nc6 16.f4 Na5+=) 15...Be2 16.cd8Q (16.cd8B? Bc4 17.Bdf6 Bf6 18.Bf6 Bf1 19.Kf1 b5–+) 16...Bc4 17.Qd6 (17.Bf6?! Rd8 18.Bd8 Bf1 19.Kf1 b5=) 17...Bf1 18.Bf6 Bf6 19.Kf1+-) 15.Bf6 Qf6 16.g4 Qg5?? (better 16...Na5 17.Qe4 Bg4 18.Qg4 Qb2+-) 17.Ng5 (17.Ng5 Ne5 18.Qb4 Bg4 19.Bg4+-) 1–0. DEFFM (2340) – Kaola (1905), rated rapid game lichess.org, 2020.

6.a4 d5 7.Be2 c5 (7...b6 8.0-0 c5 9.Nc3 Bf5 10.d4 c4=; 7...Bf5 8.0-0 c5 9.d3 Nbd7 10.Nbd2 ab5=; 7...Bg4 8.0-0 c5 9.Nc3 b6 10.d4 ab5=) 8.0-0 Bf5 9.d3 b6 10.Nc3 Qd6=.

6.ba6 Na6 7.Be2 d5 (7...d6 8.0-0 e5 9.d4 ed4 10.Nd4 Nc5=; 7...c5 8.Nc3 d5 9.0-0 Bf5 10.a3 Qd6=) 8.0-0 Bf5 9.Be5 c5 10.a3 Nb8+=.

6.Nc3 ab5 7.Bb5 d5 (7...c6 8.Be2 Ne4 9.0-0 Nc3 10.Bc3 Bc3=) 8.0-0 Nbd7 9.a4 c6 10.Be2 e5+=.

6.c4 c6 7.Nc3 (7.bc6 Nc6 8.Be2 d5 9.cd5 Qd5 10.Nc3 Qd6=) 7...cb5 (7...ab5 8.cb5 d5 9.d4 (9.Be2= c5 10.d4 c4+=) 9...Bg4 10.h3 Bf3=) 8.cb5 d6 (8...d5 9.Rc1= Bg4 10.h3 Bf5=) 9.d4 (9.Rc1 d5 10.Qa4 Nbd7=) 9...Bg4 (9...d5 10.Qa4 Bf5=) 10.h3 Bd7 (10...Bf5=) 11.ba6 Na6 12.Be2 Rc8 (12...Qa5 13.Qd2=) 13.0-0 Bc6 (13...Qa5 14.Qb3=) 14.Rc1 (14.Qb3 e6+=) 14...Nd5 (14...Nb4 15.Qb3 Nbd5 16.Nb5=) 15.Nb5 Qa5 (15...Nab4 16.a3 Qd7 17.Na7=) 16.Na7+= Ba4 17.Qe1 Rc1?? (better is 17...Qe1 18.Rfe1 Ra8+=) 18.Qa5+- (18.Qa5 Rc2 19.Rb1+-; 18.Bc1? Qb6–+; 18.Qc1 Nb8 19.Qc4 Nb6–+) 1–0. Bonetti,Shane – morsem, ICC, 2002.

6.c4 d5 7.cd5 ab5 8.Bb5 Nd5 (8...Qd5 9.Nc3 Qh5 10.d4=) 9.Bg7 Kg7 10.Qb3 c6 (10...Nf6 11.0-0=) 11.Bc4 Nf6 12.d4 b5 13.Bd3 Be6 14.Qb2 Nbd7 (14...Qa5 15.Nbd2=) 15.0-0 Bd5 (15...Qa5 16.e4=) 16.Nbd2 Bf3 17.Nf3 Nb6 (17...Qa5 18.a3+/–) 18.e4 (18.Rfc1 Qd6+/–) 18...Ra4 (18...Qd7 19.Rfc1 Rfd8 20.Rab1+/–) 19.Rfc1 Nc4 20.Qe2 (20.Bc4 Rc4 21.Rc4 bc4+/–) 20...Na5 (20...Qd7 21.Bc4 bc4 22.h3+=) 21.Rc3 (21.Rab1 Nh5+/–) 21...Nd7 (21...Qd7!?+=) 22.Bc2+/– Rb4 23.Qe1 Rc4 24.Bb3 (24.a4 Qc7+/–) 24...Rc3+= 25.Qc3 Qb6 26.Rc1 b4 27.Qd2 Nb3 28.ab3 c5? ( 28...Ra8+/–) 29.dc5+- Qf6?? (29...Qc6 30.Qb4 Rb8+-) 30.Qd7 (30...Qb2 31.Qd4 Qd4 32.Nd4+-) 1–0. Trkn – Talchess (2100), ICC, 2004.

6.c4 d6 A) 7.d4= ab5 (7...e5 8.de5 Nfd7 9.Bd3 Nc5 10.Be2 Nbd7=; 7...Bf5 8.Bd3 Bd3 9.Qd3 ab5 10.cb5 c5=) 8.cb5 c5 9.dc5 dc5 10.Nbd2 Be6=; B) 7.a4 e5 (7...ab5 8.ab5 Ra1 9.Ba1 Bf5 10.d4 c5=) 8.d4 ab5 9.ab5 Ra1 10.Ba1 e4=; C) 7.Be2 ab5 (7...e5 8.0-0 ab5 9.cb5 e4 10.Nd4 c5=) 8.cb5 e5 9.d4 e4 10.Nfd2 d5=.

6.a4 ab5 7.ab5 Ra1

8.Ba1 c5 9.c4 d5 10.cd5 Nd5 (10...Qd5 11.d4=) 11.Bg7 Kg7 12.Be2 Bd7 (12...Bf5 13.0-0=) 13.0-0+= Qa5 Attacking the isolated pawn on b5 14.Qc1 b6 15.Bc4 e6 16.Bd5 ed5 17.Qc3 (17.Qb2 f6 18.Nc3 Qa8+=) 17...Qc3= 18.Nc3 Be6 19.Ra1 Nd7 20.Ra6 f6 21.Ra7 Rd8 22.h4 Kf7 23.Kh2 h6 24.Na4 Rb8 25.Kg3 g5 26.Rc7 Ke7 27.Ne1 Kd6 28.Rc6 Ke7 29.Nf3 gh4 30.Kh4 (30.Nh4? Rg8 31.Kh2 Rg4-+) 30...d4 (30...Rg8 31.Nb6 Nb6 32.Rb6 Rg2 33.Rb7 Bd7 34.Ne1 Rf2 35.Nd3=+) 31.ed4= Bd5 32.Nc3 Bc6 33.bc6 Nf8 34.Nb5 Ng6 35.Kg4 Ke6 36.dc5 bc5 37.c7 Rc8 38.Ne1 Kd7 39.Nd3 (39.f4 Ne7=+) 39...Ne5-/+ 40.Ne5 fe5 41.Kf3 Kc6?? (better 41...Rf8 42.Ke3 Rf6-/+) 42.Na7+- Kc7 43.Nc8 Kc8 44.Ke4 1-0. DEFFM – GuestVLHK, freechess.org, 2021.

8.Ba1 b6

9.c4 Bb7 10.Be2 d6 11.d4 Nbd7 12.Nbd2 Qa8 13.0-0 Qa2 14.Bc3 Ra8 15.Bd3 e5 16.de5 Ng4 17.Bb1 (17.e6 Bc3 (worse 17...fe6 18.Bg7 Kg7 19.Nd4+-) 18.ed7 Nf6=) 17...Qa3 18.Be4 Be4 (18...Qc3 19.Bb7 Ra7 20.Bd5 Nge5 21.Ne4+=) 19.Ne4 Nge5 20.Ne5 Ne5 21.Qd5 Re8 (21...Rd8 22.c5 Nf3 23.gf3 Bc3 24.cd6 cd6 25.Qc6+-) 22.c5+- (22.c5 Qa8 23.Qa8 Ra8 24.cb6 cb6 25.Nd6+-) 1–0. onur604 (2320) – Khalimirov (2155), lichess.org, 2020.

9.d4 Bb7 10.Nbd2 d5 11.Bd3 Nbd7 12.c4 c6 13.0-0 Nh5 (13...dc4 14.Bc4 cb5 15.Bb5+=) 14.bc6 Bc6 15.cd5 Bd5 16.Qb1 e6 17.Bb5 Qc7 18.Rc1 Qb7? (better 18...Qd8+/-) 19.e4+- Be4 20.Ne4 Ndf6 21.Nd6 Qd5 (21...Qb8 22.Rc6+-) 22.Rc6 Ng4 (22...Nf4 23.Rb6 Nh3 24.Kf1+-) 23.Rb6 Bd4 (23...Nf4+-) 24.Bd4 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.d4 Bb7 10.Be2 d6 11.0-0 Nbd7 12.c4 Ng4 (12...e5 13.de5 Ne4 14.Nbd2 Nd2 15.Nd2 de5 16.Bf3 Bf3 17.Qf3=) 13.Nbd2 e5 14.h3 (better is 14.de5 de5 15.Qc2+=) 14...e4? (better is 14...Nh6!?+=) 15.hg4+- ef3 16.Bf3 Bf3 (16...Ba8 17.Ba8 Qa8 18.Bc3+-) 17.Qf3 (worse is 17.gf3 f5+=) 17...Qf6 (17...Re8 18.Bc3+-) 18.Qc6 Qe6 (18...Qd8 19.Bc3+-) 19.Qc7 Nf6 (19...Qg4 20.Qd6 Ra8 21.Qc6+-) 20.d5 Qg4 21.Qb6 Ne4 (21...Qd7+-) 22.f3 Qh4 (22...Qc8 23.fe4 Ba1 24.Ra1+-) 23.Ne4 f5 (23...Be5 24.Be5 de5 25.c5+-) 24.Bg7 Kg7 25.Nd6 1–0. DEFFM – GuestRPBF, freechess.org, 2018.

9.Be2 Bb7 10.0-0 d6 11.d4 Nbd7 12.c4 d5 13.Nc3 dc4 14.Bc4 e6 15.Ng5 (15.Bb2 c5+=) 15...Nd5 16.Nf3 N7f6 (16...N5f6 17.Bb2+=) 17.Ne5+= Nc3 18.Bc3 Nd5 19.Bb2 Qd6 20.Qb3 Ra8 21.e4 Nf6 22.Nf7 Kf7 23.e5 Qd7 24.ef6 Bf6 Attacking the isolated pawn on d4 25.Qh3 h5 26.Rc1 c5 27.bc6 Qc6 28.Bb3 Qd6 29.Qe6 Qe6 30.Rc7 Be7 31.Be6 Ke6 32.Rb7 Bd8 33.f3 Kd5 (33...Ra2 34.Bc3=) 34.Rd7 (34.Rg7 g5+=) 34...Kc4 (34...Ke6!? 35.Rg7 Ra2=) 35.Rd6+= b5 36.Rc6 (worse 36.Rg6 Kb3=+) 36...Kd3 37.d5 (37.Rg6 Ra2 38.Rg8 Be7-+) 37...b4 38.Bg7 Bg5 39.d6 Be3 40.Kf1 b3?? (better 40...Rd8 41.Bf6 Rd7+/-) 41.Rc3+- Kd2 42.Rb3 Rc8 (42...Rd8 43.Bc3 Kc2+-) 43.Re3! Ke3 44.Bh6 Kd4 45.Bg5 1-0. onur604 (2320) - yb2 (2400), Casual Rapid game, lichess.org, 2021.

9.Be2 Bb7 10.d4 Nd5 11.0-0+= d6 12.c4 Nf6 13.Qc2 c5 (13...Nbd7 14.Nbd2+=) 14.Nbd2 (14.bc6 Nc6 15.Bc3 Qc7+=) 14...Nbd7 (14...cd4 15.ed4 Nbd7 16.Bc3=) 15.d5+= Nh5 (15...Qc7 16.Bc3+=) 16.Bg7 (16.g4 Nhf6 17.g5 Ne8+=) 16...Ng7+= 17.Ra1 Nf5 (17...e6 18.e4+=) 18.Ra7 Ba8 (18...Qb8!? 19.Qa2 Ne5+-) 19.Qc3+- e5 (19...Ng7 20.Bd3+-) 20.Bd3 (20.Ng5 h5+- (20...Qg5?? 21.Rd7 Qf6 22.Ne4+-)) 20...Ng7 21.Ne4 (21.Qa1 f5+-) 21...Nf6 22.Ra8 (better 22.Nf6 Qf6 23.Qa1+-) 22...Qa8?? (better 22...Ne4 23.Rd8 Nc3 24.Rd6 e4+-) 23.Nf6+- Kh8 24.Ng5 h6 (24...Qa7 25.Ngh7 Ra8 26.g4+-) 25.Nge4 Qd8 26.f4 ef4 27.ef4 Ne8 (27...Qe7+-) 28.Ne8 (28.Ne8 f6 29.N4f6 Qe8 30.Ne8 Rf6 31.Qf6 Kg8 32.Qg7) 1–0. DEFFM – GuestPQHZ, freechess.org, 2020.

8.Ba1 c6

9.c4 Qa5 10.Bc3 Qc7 11.Be2 d5? (better 11...cb5 12.cb5 d6=) 12.Be5+- (12.Be5 Qa5 13.Bb8+-) 1–0. onur604 (2320) – marwa1 (2180), lichess.org, 2020.

9.c4 Qa5 10.Nc3 d5 11.cd5 Nd5 12.Nd5 Ba1 (better 12...cd5!? 13.Bg7 Kg7=) 13.Ne7+/- Kh8 14.Nc8 Rc8 15.Bc4 Rc7 (15...f6 16.Qb1+/-) 16.0-0+- cb5 17.Bf7 (17.Qa1?! Qa1 18.Ra1 bc4+/-) 17...Rf7 18.Qa1 Qa1 19.Ra1 Nc6 20.Rb1 b4 21.d4 Rf5 (21...Rd7 22.Kf1+-) 22.e4 (22.Kf1 Kg7+-) 22...Rb5 (22...Rf4 23.d5 Re4 24.dc6 bc6+-) 23.d5 Na5 24.Nd4 Rb6 25.e5 Kg7 26.d6 Kf7 (26...Nc6 27.Ne6 Kf7 28.Ng5 Ke8+-) 27.Rd1 Nc6 (27...Ke8 28.Ne6 Kd7+-) 28.e6 Ke8 (28...Kf6 29.Nc6 bc6+-) 29.d7 Ke7 1-0. DEFFM – GuestFJBH, freechess.org, 2021.

9.c4 d5 10.Nc3 dc4 11.Bc4 cb5 12.Nb5 Bd7 13.0-0 Bb5 14.Bb5 Nc6 15.Qa4 Qa8 16.Bc6 bc6 17.Qc4 Nd7 18.Bg7 Kg7 19.Qd4 Nf6 20.Ne5 Qd8 21.Qb4 c5 22.Qc5 Qd2 23.Qe7 Qd8 24.Qb4 Kg8 25.Qf4 Nh5 26.Qc4 Qe7 27.Nc6 Qf6 28.Rb1 Ng7 29.e4 Ne6 30.e5 Qg5 31.g3 Kg7 32.Rb7 h5?? (better 32...Re8+/-) 33.Qe6+- 1-0. DEFFM – GuestNMNM, freechess.org, 2021.

9.c4 d5 10.Nc3 Nbd7 11.Be2 Nb6 (11...cb5 12.cb5 Nb6 13.0-0=) 12.c5+= Nbd7 13.d4 Re8 14.0-0 Nh5 (14...e5 15.de5 Ne5 16.Ne5 Re5 17.bc6 bc6 18.Nb5+=) 15.Qa4 Nb8? (better 15...Qc7!?+-) 16.Qa8+- Qc7?? (better 16...Bd7 17.Qb7 cb5 18.Bb5 Bb5 19.Nb5 Nf6+-) 17.b6 Qd8 18.Qb8 Bf5 (18...Nf6+-) 1–0. DEFFM – GuestKTGB, freechess.org, 2020.

9.c4 d5 10.Nc3 e6 11.Be2= dc4 (11...c5 12.Qc2+=) 12.0-0 (12.Bc4 c5=) 12...Nd5= 13.Bc4 Nc3 14.Bc3 cb5 (14...Bc3 15.dc3 cb5 16.Bb5=) 15.Bg7 Kg7 16.Bb5 Bd7 17.Qa1 Kg8 (17...Qf6 18.Qb1+=) 18.Rb1 (18.Be2 Bc6+=) 18...Bb5 19.Rb5 Qd7 (19...b6 20.Qa7+=) 20.Qb2+- Rd8 (20...Rc8 21.g3 (21.Rb7?? Qb7 22.Qa1 Rc2–+) 21...Qc6 22.Rb7 Qf3 23.Rb8+-) 21.Rb7 Qd6 (21...Qc8!?+-) 22.Ng5+- Qd2? (22...Nd7 23.Qh8! Kh8 24.Nf7 Kg8 25.Nd6 Nf6+-) 23.Qd2 Rd2 24.Rb8 Kg7 25.h3 h6 26.Ne4 Rd1 27.Kh2 f5 (27...Rd7+-) 28.Rb7 (28.Rb7 Kg8 29.Nf6 Kf8 30.Nd7 Kg8 31.Kg3+-) 1–0. DEFFM – GuestSGJZ, freechess.org, 2020.

9.c4 d5 10.Nc3 Bg4 11.Be2 Bf3 12.Bf3 e5 (12...dc4!? 13.Qa4 Nfd7=+) 13.cd5= cd5 14.0-0 d4 (14...Qd7 15.d3+=) 15.ed4+= ed4 16.Ne2 Ne8 17.Bb7 Nc7 (17...d3 18.Ng3+/-) 18.Qb3 Ne6 19.Bd5 Nc5 (better 19...Qd6!?+/-) 20.Qc4+- Qb6 (20...d3 21.Nf4 (21.Qc5?! de2 22.Re1 Ba1 23.Ra1 Qd7=) 21...Ba1 22.Ra1+-) 21.Bd4 Bd4 22.Nd4 (22.Qd4?! Qb5 23.Nc3 Qa5+-) 22...Nbd7 (22...Ncd7 23.Nc6+-) 23.Nc6 Re8 (23...Nf6+-) 24.Bf7 (24.Bf7 Kh8 25.Be8+-) 1-0. onur604 (2320) - viktor1959 (2250), Casual Rapid game, lichess.org, 2021.

9.c4 d6 10.Nc3 e5 11.Be2 Re8 Black prepares e4 12.d4 e4 13.Nd2 d5 14.0-0 h5 (14...Bf5 15.Qb3+=) 15.Bb2 Bg4 16.Bg4 hg4 (16...Ng4 17.h3 Nf6 18.Qb3+=) 17.Qb3+- Nbd7 (17...dc4!? 18.Nc4 Qd7+-) 18.cd5+- cb5 19.Nb5 Nb6 20.d6 Qd7? (better 20...Re6+-) 21.Nc7 (21.Nc7 Nc8 22.Ne8 Qe8 23.Ba3+-) 1–0. onur604 (2315) – Andrew_Mars (2250), lichess.org, 2020.

9.Be2 Qa5 10.Nc3= Nd5 (10...d6 11.0-0=) 11.Nd5+= Qa1? (better 11...cd5 12.Bg7 Kg7+=) 12.Ne7+- Kh8 13.Qa1 Ba1 14.c3 Bb2 15.Ne5 Ba3 16.Nc8 Rc8 17.Nf7 (17.bc6 Nc6 18.Nf7 Kg7+-) 17...Kg7 18.bc6 (18.Ne5 cb5 19.0-0+- (19.Bb5?! Rc5 20.Bd7 Re5=)) 18...dc6? (better 18...Kf7 19.cb7 Rc6=) 19.Ne5+- Bd6 (19...Rd8 20.Nf3+-) 20.f4 Na6 21.Ba6 ba6 22.Nc4 Bf8 (22...Bc7 23.Ke2 Ra8 24.Rb1+-) 23.Ke2 Ra8 24.Rb1 (24.Na5 c5+-) 24...h5 (24...a5 25.Ra1 a4 26.Nb6+-) 25.Rb6 (better 25.Rb7 Kg8+-) 25...Kh6 (25...a5 26.Rb7 Kh6+-) 26.Rc6 a5 27.Ne5 (27.f5!? Kg5 28.h4 Kf5+-) 27...a4 28.Ng6 Kg7 29.Nf8 Kf8 30.Rb6 a3 (30...Ke7+-) 31.Rb1 a2 (31...Ke7 32.Kd3+-) 32.Ra1 Kf7 33.d4 Ke6 (33...h4 34.Kd1+-) 34.e4 Kd6 (34...Rg8 35.g3 Ra8 36.Kd3+-) 35.Kd3 Kc6 (35...Kd7 36.f5+-) 36.Kc4 Kb6 (36...h4 37.f5+-) 37.Kb3 Kb5 (37...Re8 38.e5 Rf8 39.g3+-) 38.c4 Kc6 39.Ra2 (39.Ra2 Rg8 40.d5 Kb6 41.e5+-) 1–0. DEFFM – GuestYKSM, freechess.org, 2020.

9.Be2 d6 10.0-0 e5 11.c4 e4 12.Ng5 (12.Nd4 d5=) 12...Re8 (12...d5 13.cd5 cd5 14.Be5=+) 13.d3 (13.f3 ef3 14.Nf3 Qe7+=) 13...ed3 (13...Nh5 14.Bg7 (worse 14.Bh5 Qg5 15.Bg7 Kg7-/+) 14...Qg5 15.h4 Qh4 16.Bb2+=) 14.Qd3 Bf5 15.Qa3 h6 16.Nf3 Qc7 17.Nd4 Be4 (17...Bg4 18.Rd1=) 18.bc6 bc6 19.Nd2 c5 (19...Re5!?+=) 20.Nb5+/- Qe7 21.Bf6 Bf6?? (better 21...Qf6 22.Ne4 Re4+/-) 22.Ne4+- Qe4 23.Nd6 (23.Nd6 Qe7 24.Ne8 Qe8 25.Qc5+-) 1-0. onur604 (2320) - Schrulli (2305), Casual Rapid game, lichess.org, 2021.

9.c4 cb5

10.cb5 Qa5 11.Bc3 Qb6 12.Be2 Nd5 13.Bg7 Kg7 14.Qb3 Nc7 The isolani on b5 becomes a target 15.0-0 d6 16.Rc1 Bd7?? (better 16...e5+-) 17.Qc3+- Kg8 18.Qc7 Qc7 (18...Qa7 19.Qc2+-) 19.Rc7 Rc8 20.b6 Rc7 (20...Kf8 21.Nd4 Ke8 22.Nc3+-) 21.bc7 Nc6 22.Bb5 1–0. DEFFM – GuestNTGV, freechess.org, 2019.

10.cb5 Qa5 11.Bc3 Qc7 12.Bd3 Nd5 (12...d6!?=+) 13.Bg7+= Kg7 14.0-0 Nb4 (14...d6 15.Nc3 Nc3 16.Qa1= (worse 16.dc3 Qc3 17.Qa1 Qa1 18.Ra1 Nd7-/+)) 15.Qb3 (15.Be2!? Nd5 16.Qb3+-) 15...Nd3+= 16.Qd3 d6 17.Nc3 Nd7 18.Nd5 Qd8 19.Qc3 Kg8 (19...Nf6 20.Rc1=) 20.Qc8!? Qc8 1–0. DEFFM – GuestQGCW, freechess.org, 2019.

10.cb5 Qa5 11.Nc3 e6 12.Be2 d5 13.0-0 Bd7 Exerts pressure on the isolated pawn 14.Qb3 Ne4 (14...Rc8 15.Rb1=) 15.d4 (15.Ne4 Ba1 16.Nc5+=) 15...Rc8 (better 15...Nd6!?+=) 16.Ne4+- de4 17.Ng5 Qd2 (17...Qb6 18.Ne4 h6 19.Qa3+-) 18.Bc4+- Qa5 19.Ne4 Rc4? (better 19...Qb6+-) 20.Qc4 Bb5 (20...h6+-) 21.Qc8 Bf8 22.Nf6 Kg7 23.d5 (23.Qb8?! Bf1 24.Ne8 Kg8=) 23...Bf1 (23...Qa3 24.Ng4 Qa1 25.Ra1 h5 26.Qb8 hg4+-) 24.Nd7 Kh6 25.Qf8 (25.Nf8? Qa1 26.h3 Be2 27.Kh2 Qe5 28.Kg1 ed5 29.Qb7 Qe8–+; 25.Kf1?? Qa1 26.Ke2 Qa2 27.Kd1 Qd5 28.Ke2 Nd7–+ (28...Qd7?! 29.Qf8 Kh5 30.Qb8-/+); 25.Qb8 Qa1 26.Qf8 Kh5+-; 25.Nb8 Bd6 26.Qh8 Bg2 27.Bg7 Kg5 28.Kg2 Qd5 29.Kg1 Kg4-/+) 25...Kh5 (25...Kg5 26.h4! Kh4 27.Qh6 Kg4 28.Nf6 Kf5 29.e4) 26.Nf6 (26.Nb8 Qa1 27.h3 Be2 28.Kh2 Qf6+-) 26...Kg5 27.f4 (27.Kf1 Qa1 28.Ke2 Qb2 (28...Qf6?! 29.Qb8 ed5 30.h4 Kh5 31.Qb7=) 29.Kd3 Qb5 (29...Qf6?! 30.f4 Kg4 31.Qb8=) 30.Kc3 Qa5 31.Kd3 Kf6 32.Qh8 Kg5 33.h4 Kh6 (33...Kh4?! 34.Qf6 Kh5 35.g4 Kh6 36.g5 Kh5 37.Qf3 Kg5 38.Qf4 Kh5 39.Qh2 Kg4 40.Qg3 Kh5 41.Qh2 Kg5 42.Qf4 Kh5 43.Qh2=) 34.Qb8 Qd5 35.Kc3 Qc6 36.Kd3 Qg2 37.Qf8 Kh5 38.Qf7 Qd5 39.Ke2 h6–+ (39...Kh4?! 40.Qf4 Kh5 41.Qh2 Kg4 42.Qf4 Kh5 43.Qh2 Kg5 44.Qf4 Kh5=); 27.Qb8 Qc7 28.Qc7 Kh6 29.Ng8 Kh5 30.Qf4 g5 31.g4 Kg6 32.Qf6) 27...Kf5 (27...Kh4 28.Qh6) 28.g4 (28.Kf1?! Qa1 29.Kf2 Qf6=; 28.Qb8 Qa1 29.e4 Kf6 30.Qh8 Ke7 31.Qa1 Ba6+-) 1–0. onur604 (2320) – Wladzimir (2055), lichess.org, 2020.

10.cb5 Qb6 11.Be2 d5 12.0-0 Bd7 The isolani on b5 becomes a target 13.Qb3 Be6 14.Qa3 Nbd7 (14...Qd8 15.Qa7 Qc8 16.Bb2+/-) 15.Qe7+/- Ne4 (15...Ra8 16.Bd4 Qa5 17.Qd6+/-) 16.Bd4 Qd6 17.Qd6 Nd6 18.Rc1 Bd4 19.Nd4 (19.ed4?! Ra8+=) 19...Nc4 (19...Ra8!? 20.Nc3+/-) 20.Bc4+- dc4 (20...Rc8 21.d3+-) 21.Ne6 fe6 22.Rc4 Ra8 23.Kf1 Ra5?! (23...Ra1 24.Rc8 Kf7+-) 24.Nc3 Nb6 25.Rc7 Ra7 26.Ne4 Nd5 27.Rd7 h5 28.Nc5 Kf8 (28...Nb6 29.Rb7 Rb7 30.Nb7 e5+-) 29.Ne6 Ke8 30.Rd5 Ke7 (30...b6 31.Nf4 Kf7 32.Rd6+-) 31.Nf4 g5 (31...Kf7 32.Ke2+-) 32.Rg5 Kd6 (32...h4 33.Rh5 Ra5 34.Rh7 Kd8 35.b6+-) 33.Rh5 Ra5 34.Ke2 Rb5 (34...Kc7+-) 35.Rb5 Kc6 36.Rb7! Kb7 37.h4 (37.h4 Kc6 38.h5 Kd7 39.h6 Kd8 40.d4 Kc8 41.h7 Kb8 42.h8Q Kc7 43.Nd5 Kc6 44.Qa8 Kd6 45.e4 Kd7 46.Qb7 Kd6 47.Qc7 Ke6 48.Qe7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

10.cb5 d6 11.Be2 Nbd7 12.d4 Qa5 13.Nbd2 Ne4 14.0-0 Nd2 15.Nd2 Nb6 16.Nc4 (16.Qc2 Bf5 17.e4 Rc8=) 16...Nc4= 17.Bc4 Bd7 Attacking the isolated pawn on b5 (17...Bf5 18.Qe2=) 18.Qb3+= e6 19.Bb2 (19.Bc3 Qc7 20.Rc1 Rc8+=) 19...d5= 20.Bd3 Rc8 21.Ra1 Qb6 22.g3 (22.Ba3 Qd8+=) 22...Bf8 (22...h6 23.Qb4=) 23.Bc3 Bd6 24.Ba5 Qa7 25.b6 Qb8 26.Bd2 h5 (26...Kg7 27.Ra7+=) 27.e4 (27.Ra7 h4+=) 27...de4= 28.Be4 h4 29.Qd3 hg3 30.hg3 (30.fg3 Be8+/-) 30...Kg7 31.Qe3 Rh8 (31...Bc6!?+=) 32.Ra7+/- Rh3 (better 32...Bc8!?+/-) 33.Rb7+- Qa8?? (better 33...Qe8+-) 34.Rd7 Qa1 35.Be1 Bb4 (35...Bf4 36.Qc3 (worse 36.gf4 Re3 37.fe3 Qe1 38.Kg2 Qe3=+) 36...Qc3 37.Bc3+-) 36.Kg2 1-0. wgr069 (2375) - amir58 (2130), Casual Rapid game, lichess.org, 2021.

8.Ba1 d5

9.c4 dc4 10.Bc4 Nbd7 11.d4 Nb6 12.Bb3 Bg4 13.Nbd2 (13.h3 Bf5=+) 13...Qd7 (13...Bd7 14.Qb1=+) 14.Qe2=+ Ra8 15.0-0 Nfd5 16.Bb2 e6 17.Rc1 (17.Ra1 Ra1 18.Ba1 Nc8=) 17...Bf3 (17...f5 18.Ra1 Ra1 19.Ba1=) 18.Nf3= Ne7 (18...f5 19.Ra1 Ra1 20.Ba1=) 19.Ng5 (better 19.e4+=) 19...Bf6? (better 19...Nf5!?=) 20.Ne4+- Bg7 21.Nc5 Qc8 22.Qf3 Ra7 23.e4 Nd7? (better 23...Qd8+-) 24.Ne6!+- fe6 25.Be6 Kh8 26.b6! Ra6 (26...cb6 27.Rc8 Pinning (27.Rc8 Deflection; 27.Rc8 Decoy); 26...Nb6 27.Bc8 Pinning (27.Bc8 Deflection)) 27.Rc7 Qf8? (27...Qa8 28.Bd7 Rb6+-) 28.Bd7 (28.Rd7 Rb6 29.Qa3 Re6+-) 28...Rb6 29.Qf8 Bf8 30.Rc2 Nc6 (30...Bg7+-) 31.d5 Rb2 32.Rb2 Nd4 (32...Nb4 33.Rb3 Bc5 34.Rf3+-) 33.e5 Kg7 (33...g5 34.Rb7 Ne2 35.Kf1+-) 34.d6 b5 (34...Nc6 35.Bc6 bc6 36.Rb7 Kg8 37.f4+-) 35.Rb4 Ne2 36.Kf1 Nc3 37.Bb5 Nd5 (37...Nb5 38.Rb5 Kf7 39.Rb8+-) 38.Rb3 Kf7 39.Rf3 Ke6 40.Rf8 (40.Rf8 Nb6 41.Rb8 Nd5 42.d7 Nc3 43.Re8 Kf7 44.d8Q Kg7 45.Rh8 Kh6 46.Qh4 Kg7 47.Qh7) 1–0. DEFFM – Ilhomchik, freechess.org, 2019.

9.c4 Nbd7 10.Nc3 dc4 11.Na4=+.

9.c4 Be6 10.cd5 (10.Nc3 dc4 11.Ng5 Qd6 12.Ne6 Qe6=+) 10...Bd5 (10...Nd5 11.Bg7 Kg7 12.h4=+) 11.Be2 Nbd7 (11...Qd6 12.Nc3=+) 12.Nc3 Nb6 (12...Nc5 13.d4 Nfe4 14.Nd5 Qd5 15.0-0=) 13.0-0 Bc4 (13...Qd6 14.Nd5 Nfd5 15.Bg7 Kg7 16.g3=) 14.d3 Bd5 15.e4 Be6 16.d4 Bg4 (16...Nh5 17.g3=) 17.h3+= Bf3 18.Bf3 (worse 18.gf3 Qd7-/+) 18...Ne8? (better 18...Qd7+=) 19.e5+- f6 (19...Qc8 20.Bb2+-) 20.Ne4 fe5 (20...e6 21.Qb3 Qe7 22.Bb2 fe5 23.de5+-) 21.Qb3 Kh8 22.de5 Nd7?? (22...Qd5 23.Qb4 Qd3+-) 23.Ng5 Ne5 (23...e6 24.Ne6 Qe7 25.Nf8 Qf8 26.Qd5+-) 24.Be5 Be5 25.Ne6 Rf3 (25...Qd2 26.Nf8 Qf4+-) 26.Qf3 (26.Qf3 Nd6 27.Nd8+-; 26.Nd8? Rb3 27.Nf7 Kg7 28.Ne5 Rb5–+; 26.gf3?! Qc8+-) 1–0. DEFFM – GuestBLBV, freechess.org, 2019.

9.d4 Nbd7 (9...c6 10.Bc3=) 10.Be2 Nb6 11.Nbd2 Bf5 12.Nh4 (12.c4 Nc4 13.Nc4 dc4 14.Bc4 Qd6=) 12...e6 (12...Bd7!?=+) 13.Nf5 (13.0-0 Ne4 14.Nf5 ef5=) 13...ef5= 14.c4 (14.0-0 Ne4=) 14...dc4 (14...f4 15.c5 fe3 16.fe3=) 15.Nc4+= Nc4 16.Bc4 c6 17.0-0 cb5 18.Bb5 Qd5 19.Qa4 Rc8 20.Bb2 Ne4 21.Rc1 Rc1 22.Bc1 Bf8 (22...h6 23.Bc4 Qc6 24.Qc6 bc6 25.Bd3+-) 23.Bc4 Qc6 24.Qc6 bc6 25.Kf1 Bb4 26.Ke2 Kf8 27.f3 Nd6 28.Bb3 c5 29.Kd3 cd4 (29...Ke7 30.dc5 Bc5 31.Bb2+=) 30.ed4+- Ke7 31.h3 (31.Bd5 Nc8+-) 31...h5 32.Bd5 (32.Bf4 f6+=) 32...f6+= 33.Bc6 (33.Be3 h4+=) 33...g5 (33...h4 34.Be3+=) 34.f4+- g4 35.Be3 Kd8 36.Bd5 Kc7 (36...Ke7 37.Bg8+-) 37.Be6 Kd8 38.d5 Kc7? (better 38...Ke7!?+-) 39.Bd4+- Be1 40.hg4 fg4 (40...hg4 41.Bf6 Kb6 42.Kd4+-) 41.Bf6 Kb6 (41...Nb7 42.Be5 Kd8 43.Ke4+-) 42.Be7 (42.f5 Bb4+-) 42...Kc5 43.f5 Bg3 44.Ke3 h4 45.f6 h3 (45...Kb5 46.f7 Nf7 47.Bf7+-) 46.gh3 (46.Bg4?? hg2 47.Be6 g1Q 48.Kf3 Kd4–+) 46...gh3 47.f7 (47.Bh3?! Kd5 48.Kf3 Be1+-) 47...h2 48.f8Q h1Q 49.Qc8 Kb5 (49...Kb4 50.Bd6 Bd6 51.Qb7 Ka5 52.Qa7 Kb4 53.Qb6 Kc4 54.Qa6 Kb3 55.Qd6 Qc1 56.Kf3 Qh1 57.Kg4 Kc4+-) 50.Bd7 Kb4 51.Qb7 Kc3 52.Bf6 Kc4 (52...Be5 53.Be5 Kc4 54.Qc6 Kb4 55.Qc3) 53.Qc6 Kb3 (53...Kb4 54.Qc3) 54.Qc3 (54.Qa4) 54...Ka2 55.Qb2 1–0. onur604 (2320) – Goodplay960 (2285), lichess.org, 2020.

9.Be2 c6 10.c4 dc4 11.Bc4 cb5 12.Bb5 Qa5 13.Nc3 Bg4 14.0-0 Nc6 15.d4 Ra8 16.h3 Bf5 17.Bc6 bc6 18.Qb3 Ne4 19.Qb7 Nc3 20.Bc3 Qd8 (20...Qa7!? 21.Qa7 Ra7=) 21.Bb4+= (21.Qc6? Rc8 22.Qb7 Rc3-+) 21...Bd7 (21...Bf6!? 22.Qc6 Rc8+=) 22.Be7!+/- Qe8 (22...Qe7 23.Qa8 Deflection (23.Qa8 Overloading)) 23.Bd6 Ra2 24.Ne5 Be5 25.Be5 c5 (25...Bf5 26.Rc1+-) 26.Qb6 (26.dc5?! Qe5 27.Qd7 Qc5+/-) 26...Qe6 27.Qd8 Be8 28.Rc1 c4 (28...cd4 29.Bd4 (29.ed4?! Ra7+-; 29.Qd4?! Ra4 30.Qb2 Ra6+-) 29...Kf8 30.Rc5+-) 29.Rc4 Ra1 30.Kh2 Ra8 (30...Ra6 31.Rc7 Ra5+-) 31.Qa8 (31.Qa8 Kf8 32.Qb8+-) 1-0. onur604 (2320) - dexterdave (2150), Casual Rapid game, lichess.org, 2021.

9.Be2 Bd7 10.0-0 c6 11.c4 (11.Nc3!?=) 11...dc4=+ 12.bc6 Bc6 13.Bc4 Nbd7 (13...b5!? 14.Be2 Qa5=+) 14.Nd4 Bd5 15.d3 (15.Be2 e5 16.Nb5 Qe7=) 15...Bc4=+ 16.dc4 Nc5 17.Qc2 1-0. DEFFM – GuestQCLR, freechess.org, 2021.

9.Be2 Nbd7 10.d4 Ne4 11.c4 dc4 12.Bc4 Nb6 13.Bd3 Bf5 (better 13...Nd6!?=) 14.g4!+/- Nf2 (14...Bg4 15.Be4 Deflection) 15.Kf2 Bg4 16.h3 Bh5 17.Nbd2 e5 18.Be4 f5 (18...ed4!? 19.Bd4 Bd4 20.ed4 c6+/-) 19.Bb7+- e4 20.Qb3 Kh8 21.Ne1 Qh4 22.Kg2 f4 (22...c5 23.Nc2 Qg5 24.Kh2=) 23.ef4 (23.Ne4 f3 24.Kh2 Bg4 25.Nf3 Rf3-+) 23...Qf4 24.Ne4 g5 (24...Be2 25.Rg1+-) 25.Qg3 Qc1 (25...Nc4 26.Qf4 (26.Qg5 Bf3 27.Kg1 Bh1 28.Qf4 Rf4 29.Kh1 Rf1 30.Kh2 Re1-/+; 26.Ng5?! Qc1+/-) 26...gf4 27.Nc2+-) 26.Bc3 1-0. onur604 (2320) - Chessexpresss (2235), Casual Rapid game, lichess.org, 2021.

8.Ba1 d6

9.Be2 c5 10.c4 b6 11.0-0 h6 12.d4 cd4 13.ed4 Bb7 14.Nbd2 Nh5 (14...Nbd7 15.d5=) 15.Re1 Nf4 16.Bf1 Nd7 17.g3 Nh5 18.Bg2 Nhf6 19.Qc2 (19.Bc3 e6=) 19...Qc7 (better 19...e6!?=) 20.Re7+/- 1-0. DEFFM – GuestGGWH, freechess.org, 2021.

9.Be2 Bd7 10.0-0 Qe8 11.c4 d5 12.Nc3 dc4 13.Bc4 c6 14.Qb3 cb5 15.Nb5 Bb5 16.Bb5 Qd8 17.Bc4 Qc7? (better 17...Nc6 18.Bc3 Qd6+/-) 18.Be5+- Qc6 19.Bf7! Rf7 (19...Kh8 20.d4+-) 20.Ng5 (20.Bb8?! Ne4+/-) 20...Qd5 (20...e6 21.Nf7 (21.Bb8?! Rd7+-) 21...Kf7 22.Bb8+-) 21.Qd5 Nd5 22.Nf7 (22.Bb8?! Rf8 23.Bg3 Bb2+/-) 22...Kf7 (22...Nd7 23.Bg7 Kf7 24.Bh6+-) 23.Bb8 h5 (23...b6 24.Rb1+-) 24.Rb1 b6 25.f4 Ke6 (25...e6 26.Kf2+-) 26.Ba7 (26.Rb5 Nf6+-) 26...Kf5 (26...Kd7 27.Bb6 Bf6 28.Kf2+-) 27.Rb5 Ke6 28.Bb6 1-0. DEFFM – Salmir, freechess.org, 2021.

9.Be2 e5 10.0-0 b6 11.d4 e4 12.Nfd2 Bb7 13.c4 Nbd7 14.Nc3 Re8 15.Qc2 Will e4 fall? 15...Qe7 16.Bb2 h5 (16...Ra8!?+=) 17.Ra1+/- Ra8 18.Ra8 Ba8 19.Qa4 Qe8 20.Bd1 Ng4 (20...d5 21.Bb3 dc4 22.Qc4+- (22.Bc4?! Bf8+/-)) 21.Qa7+- c5 (better 21...Qc8+-) 22.bc6! Bc6 23.d5 Ba8 24.Ba4 Nge5 (24...Ngf6 25.Nb5 Nc5 26.Bf6 Bf6 27.Nd6+-) 25.Nce4 Qb8 26.Qb8 Nb8 27.Nd6 Nd3 (27...Ned7 28.Bg7 Kg7 29.Bb5+-) 28.Bg7 Kg7 29.Nc8 Nc5 30.Nb6 Bb7 31.Bb5 Kf6 32.f4 Ke7 33.e4 f6 (33...Nd3 34.g3+-) 34.e5 fe5 35.fe5 Nbd7 (35...Nd3 36.Nf3+-) 36.Nd7 Nd7 37.Bd7 Kd7 38.Ne4 Ke7 39.Kf2 Ba6 40.c5 (40.Nd6 Kf8+-) 40...Bc4 41.Nf6 1-0. onur604 (2320) - yb2 (2400), Casual Rapid game, lichess.org, 2021.

9.Be2 e5 10.0-0 Nbd7 11.d4 e4 12.Nfd2 d5 13.c4 c6 14.Nc3 Re8 15.Qb3 dc4 16.Bc4 Nb6?? (better 16...Re7+=) 17.Bf7+- (17.Bf7 Kf8 18.Be8 Qe8 19.bc6 Qc6 20.Nce4 Ne4 21.Ne4 Qe4 22.Qb6+-) 1-0. DEFFM – GuestMHKM, freechess.org, 2021.

9.Be2 e5 10.0-0 Nbd7 11.d4 e4 12.Nfd2 Re8 13.c4 Nf8 (13...Nb6 14.Nc3=) 14.Nc3+= White plans d5 14...h5 15.Qa4 g5 (15...Bg4 16.Bg4 hg4 17.Bb2+=) 16.Qa7+- Ng6 (16...h4 17.h3+-) 17.b6 c6 18.d5 cd5 19.cd5 g4 (19...Qe7 20.Rc1+-) 20.Bb5+- Re5 (20...Rf8+-) 21.Nc4 Rg5 (21...Rf5 22.Qb8 Nd5 23.Nd6 Bc3 24.Nf5 Ba1 25.Ra1 Nb6 26.Nd6+-) 22.Qb8 Nd5 (22...Bf8 23.Bc6! Ne5 24.Ne5 Be7+-) 23.Ne4 Nc3 24.Bc3 Rb5 25.Ned6 Rc5 (25...Rd5 26.Bg7 Kg7 27.Qc8 Qc8 28.Nc8 Ne5 29.Ne5 Re5+-) 26.Nb7 (26.Nb7 Rc4 27.Nd8 Rc3 28.b7 Bb7 29.Qb7+-) 1–0. DEFFM – GuestXGLM, freechess.org, 2019.

6.c4 ab5

7.cb5 b6 8.a4 d6 9.Be2 c5 10.0-0 Bb7 11.d4 (11.d3 e5=) 11...Nd5 12.Nbd2 Nd7 13.Qc2 Rc8 14.Qb3 (14.dc5 Nc5 15.Bg7 Kg7 16.Ne4=) 14...Nb4 ( 14...cd4!? 15.Nd4 Nc5=+) 15.e4 Bh6 16.d5 f5 17.ef5 (17.Bc4!?+/–) 17...Rf5 18.Bc4 Nf6 (< 18...Nd5 19.g4 Rf3 20.Nf3+= (< 20.Bd5 Bd5 21.Qd5 Rf7=+)) 19.Rfe1 Nbd5?? (19...Nfd5 20.Re6=) 20.Nh4?? (20.Bf6!? ef6 21.g4 Bd2 22.gf5 Be1 23.Bd5 Bd5 24.Qd5 Kh8 25.Re1 gf5+-) 20...Bd2?? ( 20...Rh5 21.Ndf3 Kf8=) 21.Nf5+- Be1 22.Re1 (22.Bf6 Bf2 23.Kf2 ef6 24.Bd5 Kh8 25.Bb7+-) 22...gf5+= 23.Bf6 ef6 24.Bd5 Bd5 25.Qd5 Kf8 26.Qf5 Rc7 27.Re6 Rf7 28.Rd6?? ( 28.Qd5 Rd7 29.f4+/–) 28…Qd6–+ (29.Qc8 Kg7 30.Qg4 Kh8–+) 0–1. baqua – Mimi2000, Live Game Caissa's Web, 2004.

7.cb5 c6 8.a4 cb5 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qb6 12.d4 Nd5 13.Bd3 Nc3 14.Nc3 d6 15.0-0 Nd7 16.Qb3 Nf6 17.Rc1 Bd7 18.Na4 Qa5 19.h3 Ra8 20.Nc3 Be6 21.d5 Bd7= 22.Nd2 Nd5 23.Nc4?? Qd8?? 24.Nd5+- e6 25.Ndb6 Rb8 26.Nd7 Qd7 27.Nb6 Qe7 28.Rc8 Rc8 29.Nc8 Qc7 30.Na7 Qa5 31.b6 Qa1 32.Bf1 Be5 33.Qc4 Qb1 34.Qc8 Kg7 35.Qb7 Qf5 36.Qf3 Qb1 37.b7 d5 38.Nc6 Bb8 39.Nb8 Qb7 40.Qf4 f6 41.Qd6 Kh6 42.Nd7 Kg5 43.Qf4 Kh5 44.Nf6# 1–0. popovicigelu – januszpalikot, kurnik, 2012.

7.cb5 c6 8.a4 cb5 9.ab5 Qb6 10.Ra8 d6 11.Rb8 Bg4 12.Rf8 Bf8 13.Be2 Nd5 14.Nc3 Nb4 15.Nd4 Bd7 16.0-0 e5 17.Nc2 Nc2 18.Qc2 Be7 19.Ne4 f5 20.Nc3 Qd8 21.Nd5 Bg5 22.f4 ef4 23.Nf4 Qb6 24.Bc4 Kf8 25.Qc3 d5 26.Qh8 Ke7 27.Nd5 1–0. chybol3 – zittra, kurnik, 2012.

7.cb5 c6 8.Be2 cb5 9.Bb5 Nc6 10.0-0 d6 11.d3 Qb6 12.a4 Nd5 (12...Na7!?=) 13.Bg7 Kg7 14.Qb3 Nc7 15.Nbd2 Be6 16.Qc3 Kg8 17.Bc6 bc6 18.a5 Qa6 19.Nd4 Bd7 20.Rfc1 c5 21.N4f3 Nd5 22.Qc4 Nb4 23.d4 Nd3 (23...Bb5 24.Qc3=) 24.Qa6 Ra6 25.Rc3 Nb4 (25...Bb5!?+=) 26.dc5+/– Rc8 27.Nb3 Rac6 28.Rcc1 dc5 (28...Be6!? 29.Nbd4 Rc5 30.Rc5 Rc5 31.Ne6 fe6+/–) 29.Ne5+- R6c7 30.Nd7 Rd7 31.Rc5 (31...Ra8 32.Kf1+-) 1–0. Trkn – Tuthmosis_III (1620), ICC, 2004.

7.cb5 d5 8.Be2 c5 9.0-0 Bf5 10.d3 Nbd7+=.

7.cb5 d6 8.Bc4=+.

5.Nf3 b6

6.a4 c6 7.d4 a6 8.Bd3 ab5 9.ab5 Ra1 10.Ba1 c5 (10...d5 11.0-0=) 11.c4 e6 (11...d5 12.0-0=) 12.dc5 bc5 13.0-0 Bb7 14.Nbd2 d5 15.Qb3 (15.Qc2 Qb6+=) 15...Nbd7 16.Bb2 (16.Rb1 Qb6=) 16...Qc7 (16...Qe7 17.Ra1=) 17.Ra1 Ra8 18.Ra8 Ba8 19.h3 (19.Qc2 dc4 20.Bc4 Nb6+=) 19...dc4 20.Bc4 Nb6 (20...Bd5!?=) 21.Be6+- fe6? (better 21...Bf3 22.gf3 Qe7+-) 22.Qe6+- Qf7 23.Qb6 Bf3 24.Nf3 Qb3 (24...Qe7 25.Bf6 Bf6+-) 25.Qd8 Kf7 (25...Bf8 26.Qf6 Qd1 27.Kh2 Qd6 28.Qd6 Bd6 29.Be5 Kf7+-) 26.Ng5 1–0. onur604 (2320) – samiALA (2045), lichess.org, 2020.

6.c4 a5 7.Be2 c5 8.0-0 Bb7 9.Nc3 d5 10.d4 dc4 (10...cd4 11.Nd4 dc4 12.Bc4=) 11.dc5+= bc5 12.Bc4 (12.Rb1 Nbd7+=) 12...Nbd7 13.Na4 e6 14.Qe2 Qc7 15.Rfd1 Rfd8 16.Rac1 Nd5 (16...h6 17.Nd2+=) 17.Bg7+/– Kg7 18.Qb2 Kg8 19.Ng5 N7b6 (19...Rab8 20.e4 Nf4 21.b6+=) 20.Nb6 Nb6?? (better is 20...Qb6 21.Ne4 Rac8+-) 21.Ne6!+- fe6 (21...fe6) 22.Be6 Kf8 (22...Qf7 23.Rd8 Rd8 24.Qf6+-) 23.Qh8 Ke7 24.Qh7 Ke6 25.Qg6 Ke7 26.Qg7 Ke6 27.Qc7 (27.Qc7 Nd5 28.Qb7+-) 1–0. DEFFM – whiteknightcanada, freechess.org, 2018.

6.c4 a6 7.d4=.

6.c4 Bb7 7.Be2 c5 8.0-0 d5 9.d4 dc4 10.Bc4 Nbd7 11.Nbd2 e6 12.a4 Rc8 13.Qb3 cd4 14.ed4 Nd5 (14...Ne4 15.Ne4 Be4 16.Rac1=+) 15.Ba3= Re8 16.Ne4 Nf4 (16...Bf8 17.Bf8 Nf8 18.Rac1=) 17.Nd6+= Ng2?? (better 17...Rc4 18.Nb7 Qc7+-) 18.Nb7+- (worse 18.Kg2 Rb8 19.Qe3 Nf6 20.Ne8 Ne8+-) 18...Qc7 19.Nd6 (19.Kg2?! Qb7 20.Rad1 Nf6+-) 19…Nf4 1–0. DEFFM – ziggip, freechess.org, 2019.

6.c4 d6 7.a4 e5 8.Be2 Be6 9.0-0 Nbd7 10.d4 ed4 11.Nd4 Nc5 12.Ne6 fe6 13.Nd2 Nce4 14.Nf3 Re8 15.Nd4 Qd7 16.Nc6 e5 17.Bf3 a6 18.Ne5 de5 19.Qd7 Nd7 20.Be4 Rad8 21.Bc6 ab5 22.ab5 Re6 23.Rfd1 h5 24.Rd7 Rd7 25.Bd7 Rd6 26.Bc6 Bf8 27.g3 Rd2 28.Be5 Bg7 29.Bd5 Kh7 30.Bc7 Ba1 31.Bb6 Rd1 32.Kg2 Bf6 33.h4 Rd2 34.Be4 Rb2 35.Bc7 Rb4 36.Bd5 Bc3 37.Ba5 Rb3 38.Bc3 Rc3 39.b6 Rb3 40.b7 Rb2 41.c5 Rb5 42.e4 Rc5 43.b8Q 1–0. Abdullaevich (1630) – emmettd777, lichess.org, 2018.

6.c4 d6 7.Be2 Bb7 8.0-0 Nbd7 9.d4 c5 (9...a6 10.Nc3=) 10.Nbd2 (10.d5 a6 11.ba6 Ra6+=) 10...cd4= 11.ed4 d5 (11...a6 12.ba6 Ba6 13.Re1=) 12.Re1 (12.Ne5 dc4 13.Bc4 Rc8=) 12...dc4 13.Bc4 Rc8 (13...e6!?=) 14.Ba3+/– Re8?? (better is 14...Bf3 15.Qf3 Re8+=) 15.Bf7!+- Kf7 16.Ng5 Kg8 17.Ne6 Rc1 (17...Nd5 18.Nd8 Rcd8 19.Qa4+-) 18.Rc1 (18.Nd8?! Rd1 19.Rad1 Rd8 20.Be7 Rc8+/–; worse is 18.Bc1 Qc8+-) 18...Qb8 19.Ng7 Kg7 20.Be7 Nh5 (20...Bd5 21.Qc2+-) 21.Nc4 Nf4 (21...Kh8+-) 22.Qg4 Nf6 (22...Nd3 23.Nd6 N7e5 24.Qe6+-) 23.Bf6 Kf6 24.Re8 Qe8 25.Qf4 Kg7 26.Qc7 (26.Nd6 Qe7 27.Rc7 Qc7 28.Ne8 Kg8 29.Nc7 Be4 30.Qf6 Bd3 31.Ne8 Bb5 32.Qg7) 26...Qf7 27.Ne5 Qc7 28.Rc7 (28.Rc7 Kf6 29.Rb7+-) 1–0. GuestKNRL – GuestPJBQ, freechess.org, 2018.

6.d4 a5 7.Nbd2 Bb7 8.Bd3 d6 9.0-0 Nbd7 10.c4 Re8 11.Qc2 e5 12.Be2 ed4 13.Nd4 Nc5 14.Bf3 Bf3 15.N2f3 Qd7 16.Nc6 Nfe4 17.Bg7 Kg7 18.Rad1 Qf5 19.Nfd4 Qf6 (19...Qg5 20.Ne2=) 20.h3 (20.Ne2 Qg5+=) 20...Ng5 (20...h5!?=) 21.Ne2+= Nge6 22.Nc3 Qh4 23.Nd5 Ne4? (better 23...f5+-) 24.g3+- Qh3? (24...Ng3 25.fg3 Qg3 26.Qg2 Qg2 27.Kg2 Rac8+-) 25.Qe4 Ng5 (25...f6 26.Nd4 Rac8 27.Qf3+-) 26.Qf4 Re4 (26...h6 27.Qf6 Kh7+-) 27.Qg5 (27.Qg5 Qf5 28.Qf5 gf5 29.Nc7+-) 1–0. DEFFM – GuestFYNJ, freechess.org, 2019.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bb7 10.Nbd2 d6 11.Bd3 Nbd7 12.c4 (12.0-0=) 12...d5 (better 12...e5!? 13.Be2 Qe7=+) 13.0-0+= e6 14.Qc2 Qa8 15.c5 (15.Bb2 c5+=) 15...c6 16.Bb2 (16.Bc3 cb5 17.Bb5 Bc6=) 16...bc5 (16...Rc8 17.cb6 Qa5 18.Ra1 Qb6 19.bc6 Rc6 20.Qb1=) 17.dc5+= cb5 18.Bb5 Bc6 19.Ra1 Qb7 20.Bc6 Qc6 The isolani on c5 becomes a target 21.Nb3 Rc8 22.Rc1 (22.h3 Qb7+= (22...Nc5? 23.Nc5 h5 24.Bd4+-)) 22...Nb8 (22...Ne4 23.Bg7 Kg7 24.Nfd4=) 23.Be5 Nfd7 (23...Qa4 24.Nfd4 Nbd7 25.Bd6=) 24.Nfd4 (24.Bg7 Kg7 25.Qc3 Kg8+=) 24...Qa4 25.Bg7 Kg7 26.f4 Nc6 27.Qc3 Kg8 28.Nd2 Qa7 29.g3 Ncb8 Increasing the pressure on the isolated pawn on c5 (29...Qa6 30.Ra1 Qb7 31.N2b3=) 30.N2b3+= Nc6 31.Nb5 Qa4 32.Nd6 Rb8 33.Nd4 Ra8 34.Kg2 Ndb8 (34...h6 35.Kh3+=) 35.N4b5 (35.Nb3 Qb4+=) 35...Qa2 36.Rc2 Qa4 (36...Qa1 37.g4+=) 37.Rb2 (better 37.Ne8 e5 38.Nbc7+-) 37...d4? (better 37...Nd7+=) 38.Nd4 Nd4 39.ed4 (39.Qd4 Qd4 40.ed4 Nc6+-) 39...Nc6+- 40.Rd2 Qb4 (40...Qa3 41.Qa3 Ra3 42.Kf2+-) 41.Qb4+- Nb4 42.Kf3 (42.Rb2 Nc6 43.Rb6 Ne7+-) 42...f5 (42...Ra3!? 43.Ke2 Rb3+-) 43.Nc4+- Rd8 (43...Nc6 44.Ke3+-) 44.Ne5 Ra8 (44...Rc8 45.Rb2 Nd5 46.Rb7+-) 45.Rb2 Ra3 (45...Nd5 46.Ke2+-) 46.Kg2 (46.Kf2 Nd5+-) 46...Nd3 (46...Nd5 47.c6+-) 47.Rb8 Kg7 48.Rb7 Kg8 (48...Kf8 49.c6 Ne5 50.fe5 Rc3+-) 49.Nd3 Rd3 50.c6 Rc3 (50...Rd2 51.Kf3 Rd3 52.Ke2 Rd4 53.Rb8 Kf7 54.c7+-) 51.c7 1–0. onur604 (2320) – Parthjan (2250), lichess.org, 2020.

6.d4 Bb7 7.Nbd2 d6 8.a4 Nbd7 9.Be2 Re8 10.0-0 e5 11.a5 e4 12.Ng5 d5 (12...ba5 13.Ra5 h6 14.Nh3+=) 13.a6 (13.c4 ba5 14.Ra5 c5+=) 13...Bc8 14.c4 h6 (14...Nf8 15.Qb3 h6 16.Nh3 Bh3 17.gh3+=) 15.Nh3+= Nb8 (15...g5!?+=) 16.Nf4+- c6 17.bc6 (17.Qa4 g5 18.Nh5 Nh5 19.Bh5 cb5 20.Qb5 g4+-) 17...Nc6 18.Qa4 Na5 (18...Ne7 19.Qb3+-) 19.Nd5+- Nd5 (19...Ba6 20.Nf6 Qf6 21.Bc3+-) 20.cd5 Bd7 (20...Bf5 21.Bb5 Rf8 22.Ba3 Qd5 23.Bf8 Rf8 24.Rfc1+-) 21.Bb5 Bb5 22.Qb5 Qd6 (22...Bf8 23.Rfc1+-) 23.Bc3 Rad8 24.Ba5 ba5 25.Ra5 Bf8 26.Nc4 Qc7 27.Qa4 Rc8 28.Rc1 Qb6?? (28...Rb8+-) 29.Qe8 Re8 (29...Rc4 30.Raa1 Qa6+-) 30.Nb6 ab6 31.Rb5 Bc5 1–0. DEFFM – hazer, freechess.org, 2019.

6.d4 Bb7 7.Bd3 a5 8.Nbd2 d5 9.0-0+= c5 (9...c6 10.a4=) 10.c4 (10.dc5 bc5 11.c4 e6+=) 10...e6 (10...Nbd7 11.Rc1=) 11.dc5+= bc5 12.a4 Nbd7 13.Qb3 (13.Qc2 Qc7+=) 13...Nb6 (13...Ne4 14.Bg7 Kg7 15.Qc2+=) 14.Ne5 (14.Rfd1 Qe7+=) 14...Nfd7 (14...Ne4 15.Ne4 de4 16.Be2=) 15.Nd7+= Bb2 (better 15...Nd7!? 16.f4 Bb2 17.Qb2 Nb6+=) 16.Nf8+- (16.Qb2?! Qd7 17.Rfd1 Rfd8+=) 16...Ba1 17.Ne6 (17.Ra1?! Qf8 18.Qc2 Qd6+=) 17...fe6 18.Ra1 d4 (18...Qg5!? 19.g3 Rd8+-) 19.Be4+- Be4 20.Ne4 de3 21.Qe3 (21.Nc5?? Qd4 22.Ra2 ef2 (22...Qc5?! 23.Qe3 Qe3 24.fe3 Nc4 25.Rf2–+) 23.Kf1 Qc5 24.Rf2 Nc4–+; 21.fe3?! Qh4 22.Nc5 Rf8+-) 21...Nc4 22.Qe2 Qd4?? (22...Nb6 23.Nc5 Qd6 24.Qe6 Qe6 25.Ne6 Rc8+-) 23.Rd1 Qb2 (23...Nd2 24.Rd2 (24.Qd2?! Qe4 25.Qd7 Rf8+-) 24...Qe5 25.Rd1+-) 24.Qc4 Qb4 (24...Re8+-) 25.Qe6 Kg7 (25...Kh8 26.Qe5 Kg8 27.Qd5 Kg7 28.Qa8 Qe1 29.Re1 Kf7 30.Qb7 Kf8 31.Nf6 c4 32.Qe7) 26.Rd7 (26.Rd7 Kh8 27.Qe5 Kg8 28.Qg7) 1–0. DEFFM – asmay, freechess.org, 2020..

6.Be2 a5 7.0-0 Bb7 8.d4 d6 9.Nbd2 Nbd7 10.c4 Re8 11.a4 e5 12.Re1 e4 (12...Nh5 13.d5=) 13.Ng5 h6 (13...Qe7 14.h4=) 14.Nh3 d5 (14...Nf8 15.Nf4=) 15.Nf4+= g5 16.Nd5 Nd5 17.cd5 Bd5 (17...Nf6 18.d6 Qd6 19.Nc4+=) 18.Qc2 Nf6 19.Nc4 Bb7 (19...Bf8 20.Ne5+=) 20.Ne5+- Nd5 21.Qe4 f6 22.Bd3 fe5 23.de5 c6?? (better 23...Qe7 24.Qh7 Kf8+-) 24.Qh7 (24.bc6 Bc6 25.Qh7 Kf8+-) 24...Kf8 25.Qf5 (25.bc6 Bc6 26.Qf5 Kg8+-) 25...Kg8 (25...Ke7 26.bc6 Bc6 27.e4+-) 26.bc6 Bc6 (26...Bc8 27.Qh7 Kf8 28.Bc4 Re5 29.Be5 Be5 30.Rad1+-) 27.Qh7 Kf8 28.e4 Nb4 (28...Ra7 29.ed5 Bd5 30.Ba3 Ree7+-) 29.Bc4 (29.Bc4 Qd7 30.Qg8 Ke7 31.Qg7 Kd8 32.Red1+-) 1–0. DEFFM – GuestYCXT, freechess.org, 2020.

6.Be2 a5 7.0-0 Bb7 8.d4 d6 9.Nbd2 Nbd7 10.c4 Re8 11.Re1 e5 12.Qc2 ed4 (12...Qe7 13.Bc3=) 13.ed4 Nf8 14.Bf1 Ne6 15.g3 Bh6 (15...Qd7 16.Re2=) 16.Bg2 (16.d5 Nc5 17.Re8 Ne8 18.Re1+-) 16...Ng5 (better 16...Bg7!?+=) 17.Ng5+- Bg2 18.Nf7 Kf7 19.Kg2 Bd2 (19...Qd7 20.Nf3+-) 20.Qd2+- Qd7 (20...d5 21.Re8 Qe8 22.Re1+-) 21.d5 Qf5 22.f3 Re1 (22...h5 23.h3 g5 24.Bd4+-) 23.Re1 (23.Qe1?! Re8 24.Qd2 g5+-) 23...Re8 24.Re8 Ke8 25.Qe2 (25.g4 Ng4 26.fg4 Qg4 27.Kf2 Qc4 28.Qe2 Qe2 29.Ke2 Ke7+-) 25...Kf7 (25...Kf8 26.Bd4+-) 26.a4 (26.g4!? Qc8+-) 26...Nd7?? (better 26...Kf8+-) 27.g4 (27.g4 Qb1 28.Qe6 Kf8 29.Bh8 (29.Qd7 Qb2 30.Kh3 Qf6=) 29...Qc2 30.Kg3+-) 1–0. DEFFM – GuestRXLD, freechess.org, 2020.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bb7 10.0-0 c5 11.c4 d6 12.d4 Ne4 13.Nbd2 Nd7 14.Ne4 Be4 15.Nd2 Bb7 16.d5 Qa8 (16...Ba1 17.Qa1 e6 18.e4+=) 17.Bg7+/- Kg7 18.Qb3 Qa5 19.Qb2 Kg8 20.Ra1 Qb4 21.Qc2 Ra8 22.Ra8 Ba8 23.f4 Kg7 24.Kf2 Bb7 25.g4 h6 26.Ne4 Nf6 (26...Kh7 27.f5+/-) 27.Nf6+/- Kf6 28.Qa2 (28.Qa2 Qa5 29.Qb2 e5 30.h4+-) 1-0. onur604 (2320) - Khalimirov (2220), Casual Rapid game, lichess.org, 2021.

6.Be2 Bb7

7.0-0 c5 8.c4 d5 9.d4 Nbd7 10.Nbd2 (10.cd5 Nd5 11.Nc3 e6=) 10...e6 11.a4 cd4 12.ed4 dc4 13.Nc4 Bd5 (13...Ne4!?=) 14.Ba3+= Re8 (14...Bc4 15.Bc4 Re8 16.Rc1+=) 15.Nd6+- Re7 16.Rc1 Ne8? (16...Bh6 17.Rc6+-) 17.Nc4 (17.Nc8 Bf8 18.Qc2 Ng7 19.Ne7 Be7 20.Be7 Qe7+-) 17...Ndf6 (17...Nef6 18.Be7 Qe7 19.Ne3+-) 18.Be7+- Qe7 19.Nfe5 Nd6 20.Ne3 Bb7 21.Nc6 Bc6 (21...Qe8+-) 22.bc6 (22.Rc6?! Rd8+-) 22...Rc8 23.Bf3 White plans d5 23...Nfe4 24.Be4 Ne4 25.Qd3 f5 (25...Nf6 26.Rfd1+-) 26.d5 (26.Rfd1 Qd6 27.d5 Nc5+-) 26...Rd8? (26...Be5+-) 27.c7 (27.c7 Rc8 28.de6+-) 1–0. guest308 – AIIRosen, chessclub.com, 2019.

7.0-0 c5 8.c4 d5 9.cd5 Bd5 10.Nc3 Bb7 11.d4 Nbd7 12.Qb3 Rc8 13.a4 (13.Rfd1 cd4 14.Nd4 Qc7+=) 13...Ne4 14.Ne4 Be4 15.Ng5 Bb7 16.Bc4 (16.Rac1 e5 17.Bf3 cd4 18.Bb7 Rc1 19.Bc1 Nc5+=) 16...e6=+ 17.Nf7 Rf7 (better 17...Kf7!? 18.Be6 Ke8=+) 18.Be6+= Qe7 19.d5 Rcf8 (19...c4 A) 20.Bf7? Qf7 (20...Kf7?! 21.Qc2-/+) 21.Qc2 c3-+ (21...Bd5?! 22.Bg7 Kg7 23.e4=+; 21...Qd5?! 22.f3-/+); B) 20.Qc2+=) 20.Bg7+/- Kg7 21.Bf7 Qf7 22.e4 Nf6 23.f3 Qc7 24.Qc3 White intends a5 24...Re8 25.a5 Kf7 26.ab6 ab6 27.Ra7 Ra8 28.Rfa1 Ra7 29.Ra7 Qb8 (better 29...h6+-) 30.Qa1 Nd7 31.e5! Ke7 (31...Qe5 32.Rb7 Deflection; 31...Ne5 32.Qa6 Combination) 32.e6 Nf6 33.Qa6 (33.Qa6 Qa7 34.Qa7 Nd5 35.Qb7 Ke6 36.f4+-) 1-0. onur604 (2320) - ChrisConB1 (2200), Casual Rapid game, lichess.org, 2021.

7.0-0 c6 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Be4 13.Nc3 Bf3 14.Bf3 d6 (14...d5 15.Bb2+=) 15.Bb2 (15.d4 d5+=) 15...Nbd7 (15...d5 16.d4+=) 16.d4+- e5 (16...Re8 17.Qd3+-) 17.Bc6 ed4 (17...Qc7 18.f4+-) 18.ed4 (18.Qd4 Ne5+-) 18...Re8 19.Ba3 Qc7 20.Qd2 Re7 21.Bb4 Ng4?? (better 21...Nb8 22.Nd5 Nd5 23.Bd5 Qd7+-) 22.Nd5+- Qd8 23.Qf4 Ndf6 (23...Ngf6 24.Ne7 Qe7 25.Re1+-) 24.Ne7 Qe7 25.Qd6 (worse 25.Bd6 Nh5 26.Be7 Nf4+-) 25...Qd6 26.Bd6 Bf8 (26...Nh5 27.Rd1+-) 27.Bc7 Bb4 (27...Nh6 28.Rb1+-) 28.d5 (28.Bb6 Bd6 29.h3 Nh6+-) 28...Kf8 (28...Bc5 29.d6 Ne5 30.Re1+-) 29.d6 (29.h3 Nh6+-) 29...Ne5 30.Rd1 White intends d7 30...Nc6 (30...Bc5 31.Kf1 Nfd7+-) 31.bc6 Ne8 32.d7 Be7 33.de8Q Ke8 34.Bb6 f5 35.c7 Kf7 36.c8Q Kf6 (36...Bf6 37.Rd7 Be7 38.Qd8 g5 39.Qe7 Kg6 40.Qf7 Kh6 41.Qh7) 37.Qh8 Kf7 (37...Kg5 38.Be3 f4 39.Qe5 Kh6 40.Bf4 g5 41.Rd6 Kh5 42.Qe2 g4 43.Rh6) 38.Qh7 Kf6 (38...Ke6 39.Qg6 Bf6 40.Qg8 Ke5 41.Re1 Kf4 42.Qg3) 39.Re1 Bf8 (39...Kg5 40.h4 Kf4 41.Qe7 g5 42.Qg5) 40.Bd8 (40.Bd8 Be7 41.Qe7) 1–0. DEFFM – GuestCTYV, freechess.org, 2020.

7.0-0 d5 8.d4 Nbd7 9.c4 c5 10.Nbd2 dc4 11.Bc4 cd4 12.Nd4 Bg2?? (better 12...Rc8=) 13.Kg2+- Ne5 14.Ne6 (14.Be2 Qd7+-) 14...fe6? (14...Nc4 15.Nd8 Nb2+-) 15.Be5 Kh8 (15...Nd5 16.Bg7 Kg7 17.Ne4+-) 16.Be6 Ng4 (16...a6 17.Rc1 ab5+-) 17.Bg7 Kg7 18.Bg4 Qd5 19.e4 (19.Nf3!? Rad8 20.Qd4 Kf7+-) 19...Qg5 20.h3 h5 21.Nf3 Qf4 (21...Rf3 22.Qf3 hg4 23.hg4+-) 22.Qd4 (better 22.Nd4 Kh8 23.Ne6 Qe4 24.f3 Qe5 25.Nf8 Rf8+-) 22...Kh6 (22...Kh7 23.Rh1 Rac8 24.Rad1+-) 23.Rh1 hg4 (23...Rac8+-) 24.hg4 (24.hg4 Qh2 25.Rh2) 1–0. DEFFM – HALDO, freechess.org, 2019.

7.0-0 d6 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.d4 Qa8 13.Nbd2 Ne4 14.Qc2 Nd2 15.Qd2 Nf6 (15...Be4 16.Bb2=) 16.Bb2+= Ne4 17.Qc2 h6 (17...Qd8 18.Ra1+=) 18.Ra1 Qb8 19.Bd3 Nf6 20.d5 Nd7 21.Bg7 Kg7 22.Qc3 Kg8 23.Qc2 Kg7 24.Nh4 (24.Nd4 Nc5+-) 24...Ne5 (24...Qe8 25.Qc3 Kg8 26.g3+=) 25.Qc3 Kh7 (25...Kg8 26.Bc2+-) 26.Bc2 f5? (better 26...Qe8+-) 27.f4+- Nd7 28.g4! 1–0. DEFFM – IVOOOO, freechess.org, 2019.

7.0-0 d6 8.c4 e5 9.Nc3 Nbd7 10.d4 ed4 11.ed4 a5 (11...Re8 12.Re1=) 12.Ng5 (12.Qd2 Re8+=) 12...Re8 13.Bf3 Bf3 14.Qf3 Qe7 (14...h6 15.Nh3=) 15.Qc6 (15.Qd3 Nh5 16.Bc1 Qf6+=) 15...Rac8 (15...Ra7 16.Nh3=) 16.Rad1 Nf8 17.h3 (17.Nf3 Qd7=) 17...Qd7= 18.Qf3 (18.Qd7 N8d7 19.Ba3 h6=) 18...Ne6 (18...h6 19.Nge4 Ne4 20.Ne4=) 19.Bc1 Ng5 (19...c5 20.Ne6 Qe6 21.d5=) 20.Bg5+= Qe6 21.Bf6 Qf6 22.Qd3 Qe6 23.Nd5 Qe4 24.Qd2 1–0. DEFFM – GuestSRHB, freechess.org, 2020.

7.0-0 d6 8.d4 Nbd7 9.a4 Re8 10.Nbd2 e5 11.a5 e4 12.Ng5 h6 13.a6 Bc8 14.Nh3 d5 15.c4 Nf8 16.Nf4+/- g5 (better 16...dc4!? 17.Bc4 Bg4+/-) 17.Nd5+- Nd5 18.cd5 Qd5 19.f3 Bf5? (19...c5 20.bc6 Qc6 21.fe4 Rd8+-) 20.fe4 Be4 21.Bc4 (21.Ne4?! Qe4 22.Ra3 Rad8+-) 21...Qd7 (21...Qd8 22.Bf7 Kh8 23.Be8 Qe8+-) 22.Rf7 Qf7 23.Bf7 Kf7 24.Ne4 Re4 (24...Kg8 25.Qf3 Rad8+-) 25.Qf3 (25.Qf3 Kg8 26.Qe4+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.0-0 d6 8.d4 Nbd7 9.c4 Re8 10.Nbd2 e5 11.Qc2 e4 12.Ng5 Qe7 13.a4 h6 14.Nh3 g5 15.a5 d5 (15...c5 16.bc6 Bc6 17.Rfb1+=) 16.a6 Bc8 17.cd5 Nd5?? (better 17...Nf8+/-) 18.Qc6+- Rb8 1-0. wgr069 (2375) - bgg3 (2275), Casual Rapid game, lichess.org, 2021.

7.a4 a5 8.0-0 d5 9.d4 e6 10.c4 dc4 11.Bc4 Nh5 (11...Nbd7 12.Nc3+=) 12.Nbd2 c5 13.Qb3 (13.g4 Nf6 14.dc5 bc5+=) 13...cd4 (13...Nd7 14.Rfd1=) 14.Nd4+= Nd7 15.Nc6 Qc7 16.Ne7 (16.Be2 Nc5 17.Qc2 Bc6 18.bc6 Nf6+=) 16...Kh8= 17.Nc6 Nc5 18.Bg7 Ng7 19.Qc3 Bc6 20.bc6 Qc6 21.Bb5 Qc7 22.Ne4 Rac8 23.Nf6 Qe7 24.Qe5 Nd7?? (better 24...Qc7 25.Qb2 e5=) 25.Nd7+- (25.Bd7?! Rc5 26.Qb2 Rf5+-) 25...f6 26.Qb2 1–0. DEFFM – GuestPCWL, freechess.org, 2019.

7.a4 a6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 c6 11.c4 cb5 12.cb5 Be4 (12...d6!?=) 13.Nc3+= d5 14.d4 Nbd7 15.Ng5 e6 16.Nge4 Ne4 17.Ne4 de4 18.Qc2 Nf6 19.Rc1 Qa8 20.Bb2 Qb7 (20...Qa7 21.g3+=) 21.Qc6+- Qb8 (21...Qa8!?+-) 22.Ba3+- Rd8 23.Be7 Re8 24.Bf6 Bf6 25.g3 Qa8 (25...Re7 26.Qe4 Ra7 27.Bf3+-) 26.Qb6+- Rb8 (26...Kg7 27.Qc6 Rb8 28.Qd6+-) 27.Qc6 (27.Qd6 h5+-) 27...Qa2 (better 27...Kg7+-) 28.Bf1 Qb2 29.Rc2 (29.Rc2 Qb1 30.Kg2+- (30.Qe4?! Kg7 31.Qc6 Rb5+-)) 1–0. DEFFM – GuestYZMJ, freechess.org, 2019.

7.a4 c5 8.c4 d5 9.0-0 Nbd7 10.d4 dc4 11.Nbd2 cd4 12.Nd4 Rc8 (12...Ne5 13.Nc4 Qd5 14.Nc6 Nc6 15.Qd5 Nd5 16.Bg7 Kg7 17.bc6 Bc6 18.Rfc1-/+) 13.Nc4 Nc5 (13...Qc7 14.a5=+) 14.a5= Bd5 (14...Qc7 15.ab6 ab6 16.f3=) 15.ab6+= Bc4 (15...ab6!? 16.Ra7 Nfe4=) 16.Bc4+- Qb6 17.Ra2 (17.Qc2 Rc7 18.Bc3+-) 17...Nce4? (better 17...Rc7+=) 18.Nc6+- Rc6 19.bc6 Qc6 20.Qc2 Rc8 (20...e6 21.Ra7 Ng4 22.Bg7 Kg7 23.Qb2 Ngf6 24.f3+-) 21.Rc1 Qb7?? (better 21...e6+-) 22.Bf7! (22.Bf7 Kf7 23.Qc8 Qc8 24.Rc8+-) 1–0. DEFFM – GuestDFJR, freechess.org, 2020.

7.c4 a5 8.0-0 c5 9.d4 cd4 10.ed4 d5 (10...Qc7 11.Nbd2+=) 11.c5 bc5 (11...Qc7!? 12.c6 Bc8+/-) 12.dc5+/- Qc7 13.c6 Bc6 14.bc6 Qc6 (14...Nc6 15.Na3+-) 15.Nc3 e6 16.Ne5 Qc7 17.Nb5 Qc5? (better 17...Qd8+-) 18.Ba3 Qf2 (18...Qb6 19.Bf8 Kf8+-) 19.Rf2 (19.Rf2 Ne4 20.Bf8 Nf2 21.Kf2 Be5 22.Bh6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

5.Nf3 c5

6.a4 a6 7.Be2 d5 8.c4 Bg4 9.0-0 Nbd7 (9...dc4 10.Bc4 Nbd7 11.ba6 ba6 12.a5=) 10.h3 Be6 11.Ng5 (11.cd5 Bd5 12.Nc3 e6=) 11...Qb6 (11...Bf5 12.cd5 ab5 13.Bb5=) 12.Ne6 Qe6 13.Qc2 ab5 14.ab5 Ra1 15.Ba1 Ra8 (15...b6 16.cd5 Nd5 17.Bg7 Kg7 18.Qb2 Qf6 19.Nc3=) 16.Bf6+= Nf6 17.cd5 Qd5 18.Bf3 Qd7 19.Qc5 e6 20.Nc3 Rc8 21.Qa7 Qd2 22.Ne2 Nd5 23.Qb7 Rc2 (23...Rd8 24.Ng3+/-) 24.b6 (24.Qb8 Bf8+/-) 24...Rb2 25.Qc8 Bf8 26.b7 Qb4 27.e4 Ne7 28.e5 Nd5 29.Bd5 ed5 30.Nf4! Qb7 (30...Qf4 31.Qc1 Double attack (31.Qc1 Decoy)) 31.Qb7 Rb7 32.Nd5 Rb5 33.Nf6 Kg7 34.f4 Rb2 (34...Be7!? 35.Ne4 Rb4+/-) 35.Rc1 Bb4 36.Ne8 Kh6 (better 36...Kf8 37.Rc8 Bd2+-) 37.Rc7 Be1 (37...Rb1 38.Kh2 Bd2 39.Rf7 Rb4+-) 38.g4 (38.Rf7?? Bg3 39.Rh7 Kh7-+) 38...g5 (38...Bh4+-) 39.Rc6 (39.Rc6 f6 40.Rf6) 1-0. onur604 (2320) - elMag0 (2375), Casual Rapid game, lichess.org, 2021.

6.c4 a6 7.a4 a5 8.Be2 b6 9.0-0 Bb7 (9...d6 10.Nc3=) 10.d4 cd4 11.ed4 (11.Nd4 Qc7=) 11...d6 12.Nbd2 (12.Nc3 Nbd7=) 12...Qc7 13.Bd3 Nbd7 14.Qc2 Rac8 15.Rfe1 Rfe8 16.Rac1 e5 17.Ng5 (17.de5 de5 18.h3 e4 19.Ne4 Ne4 20.Bg7 Nf2 21.Qf2 Kg7-/+) 17...d5 18.cd5 (18.Qd1 ed4 19.Re8 Re8 20.Bd4 Qf4=+) 18...Qc2-/+ (18...Nd5 19.Qb3 Qd8 20.Rc8 Qc8 21.Bc4+-) 19.Rc2 Rc2 20.Bc2 ed4 21.Re8 Ne8 22.Bb3 Nc5 23.Bc4? (better 23.Ngf3-/+) 23...Nd6–+ 24.Ngf3 (24.Bb3 d3 25.Bg7 Nb3 26.Nb3 Kg7–+) 24...Na4 (24...Nc4 25.Nc4 Bd5 26.Nb6 Bf3 27.gf3–+) 25.Bd4 Bd4 26.Nd4 Nc3 27.Nc6 a4 28.f3 (28.Nb4 Kf8–+) 28...Ndb5 29.Bb5 Nb5 30.Nb4 Nc3 31.Ne4 Ne4 (31...Nd5?! 32.Nd5 a3 33.Nb4= (33.Nb6?? a2–+)) 32.fe4 Kg7 33.Kf2 Kf6 34.Ke3 Ke5 35.Nd3 Kd6 36.Kd4 f6 37.Nb4 (37.Nf2 Ba6 38.Kc3 Kc5–+) 37...a3 38.h4 (38.Na2 Ba6–+) 38...h5 39.g3 Ba6! 40.Kc3 (40.Na6 a2 Passed pawn) 40...Be2 41.Kb3 1–0. GuestFPYQ – GuestTRXR, freechess.org, 2020.

6.c4 a6 7.a4 ab5 8.cb5 d6 9.Na3 Bg4 10.h3 Bf5 11.Be2 e5 12.0-0 e4 13.Nh2 d5 14.Nc2 b6 15.Qc1 Qd7 16.f3 Bh3 17.gh3 Qh3 18.Ne1 Nh5 19.Rf2 d4 20.fe4 Be5 21.Bh5 Qh5 22.Nef3 Bh2 23.Nh2 Re8 24.ed4 Re4 25.dc5 Nd7 26.c6 Ne5 27.Be5 Re5 28.d4 Rg5 29.Kh1 Qh4 30.Qf4 Qf4 31.Rf4 1–0. Abdullaevich – garry00 (1630), lichess.org, 2018.

6.c4 a6 7.a4 b6 8.Be2 a5 9.0-0 d6 10.d4 Re8 (10...cd4 11.ed4 Nbd7 12.Re1=) 11.Ng5 (11.Nc3 Qc7+=) 11...Ra7 12.f4 (12.Bf3 cd4 13.Qd4 Nbd7=) 12...Bb7 (12...cd4 13.ed4 Rc7 14.Nd2=) 13.Bf3 (13.f5 Bh6 14.h4 Bg5 15.hg5 Ne4=) 13...Nbd7 (13...h6 14.Bb7 Rb7 15.Nf3=) 14.Bb7 Rb7 15.Nd2 (15.Qf3 Qc7=) 15...h6 (15...Rc7 16.e4 cd4 17.Bd4=) 16.Nge4 (16.Ngf3 Rc7=) 16...Ne4 17.Ne4 f5 18.Nd2 e6 19.Qf3 Rc7 20.Qg3 Nf8 (20...Qf6 21.Rfd1=) 21.Ra2 cd4 22.ed4 (22.Bd4 Rc8=) 22...d5 23.c5 bc5 24.Nb3 c4 (24...Bd4 25.Nd4 cd4 26.Bd4=) 25.Na5+= Qc8 (25...Qb8 26.Nc6 Qb6 27.Ne5+=) 26.Bc3+- Qa8 27.Nc6 White prepares a5 27...Nd7? (better 27...Rec8!?+-) 28.Qg6+- Nb6? (better 28...Nf6+-) 29.Ne5 (29.Re1 Kh8+-) 29...Kh8 (29...Nd7+-) 30.a5 Nc8 (30...Rce7 31.Nc6 Nd7 32.Ne7 Re7+-) 31.Qe8 Kh7 32.Qe6 Ne7 33.b6 (33.b6 Qc8 34.Qc8 Rc8 35.a6 Be5 36.fe5+-) 1–0. DEFFM – GuestYMLR, freechess.org, 2020.

6.c4 a6 7.a4 d5 8.Be2 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.0-0 Nb6 13.Be2 Be6 14.Qc2 Qd5 15.d4 c4 (15...Rc8 16.Nc3 Qh5 17.Ne5=) 16.Nc3+= Qd7 17.e4 Rc8 (better 17...Nh5!?+=) 18.d5+/- Bg4?? (better 18...Nfd5 19.ed5 Nd5 20.Nd5 Bd5 21.Bg7 Kg7 22.Qc3 f6+/-) 19.Ne5+- (19.Ne5 Qd6 20.Ng4 (20.Bg4?! Qe5 21.Bc8 Nc8+-) 20...Ng4 21.Bg4+-) 1-0. DEFFM – GuestFGKT, freechess.org, 2021.

6.c4 b6 7.a4 d5 8.cd5 Qd5 9.Qc2 a5 10.Be2 Bb7 11.0-0 Nbd7 12.Nc3 Qd6 13.Rad1 Rad8 14.d4 cd4 15.Nd4 Qc5 16.Bf3 Bf3 17.Nf3 Ne4 18.Nd4 Nc3 19.Qc3 Rc8 20.Qc5 Nc5 21.Ba3 e5 22.Nc6 Rfe8 23.Bc5 bc5 24.Rd7 e4 25.Ne7 Re7 26.Re7 c4 27.Re4 c3 28.Rc1 c2 29.Rd4 Bf8 30.Rd2 1–0. Abdullaevich (1860) – j_the_m (1870), lichess.org, 2020.

6.c4 b6 7.Nc3 Bb7 8.Be2 d5 9.d4 (9.Nd5 Bd5 10.cd5 a6=) 9...dc4 (9...cd4 10.Qd4 Ne4 11.Qd3=) 10.Bc4 (10.dc5 bc5 11.Bc4 Nbd7=) 10...Nbd7 (10...cd4 11.ed4 a6 12.0-0=) 11.d5 Nh5 (11...a6 12.Qd3=) 12.Qc2 Ne5 13.Ne5 Be5 14.f4 Bc7 (14...Bg7+=) 15.g4 (15.0-0 a6+/–) 15...Ng7 (15...Nf6!?=) 16.0-0 (16.Ne4 Kh8+/– (16...Bd5? 17.Qc3 f6 18.Rd1+-)) 16...e6 (16...Ne8 17.e4+=) 17.Rad1 Qe7 (17...Qh4!? 18.g5 Rfd8+/–) 18.Ne4+- ed5 19.Nf6 Kh8 20.Bd5 Qe3 (20...Bd8 21.Qc3 Qf6 22.Bb7 (22.Qf6?! Bf6 23.Bf6 Bd5 24.Rd5 Kg8+=) 22...Qc3 23.Bc3+-) 21.Kh1 Bd5 (21...Rab8 22.Qg2 Rfd8 23.Bb7 Rd1 24.Rd1 Qf4 25.Qh3+-) 22.Rd5 (22.Rd5 Qh3 23.Qg2 Qg2 24.Kg2+=) 1–0. GuestKNVH – GuestSLKT, freechess.org, 2017.

6.c4 b6 7.Be2 Bb7 8.0-0 d5 9.d4 cd4 10.ed4 (10.Bd4 dc4 11.Nbd2 c3 12.Bc3 a6+=) 10...dc4 11.Bc4 e6 12.Nbd2 (12.Qe2 Nd5=) 12...Nbd7 (12...a6 13.Qe2=) 13.Rc1 Nd5 (13...a6 14.Ba3 Re8 15.ba6 Ba6 16.Qb3=) 14.Ba3+= Re8 15.Ne4 N7f6 (15...Bh6 16.Nd6 Bc1 17.Qc1+=) 16.Nd6+= Re7 17.Ne5 Rc7 (17...Nf4 18.Nb7 Rb7 19.Qf3+=) 18.Bb3 (18.Bd5 Bd5 19.Rc7 Qc7 20.Qa4+-) 18...Rc1 (better 18...Re7!?+=) 19.Qc1+- Rb8 (19...Qb8 20.Nef7 a6 21.ba6 Ra6 22.Re1+- (22.Nb7?! Qb7 23.Ne5 Qa8+-)) 20.Nef7 Qe7 (20...Qd7 21.Ne5 Qe7 22.Re1+- (worse 22.Nb7 Qb7 23.Qc6 Qc6 24.bc6 Rd8+-)) 21.Ng5 Ng4 (21...h6 22.Nb7 Qb7 23.Ne6+-) 22.Nb7 (22.Nb7 Qb7 23.Ne6+-) 1–0. onur604 (2320) – sika1410 (2105), lichess.org, 2020.

6.c4 b6 7.Be2 Bb7 8.0-0 d6 9.Nc3 e5 10.d3 Nbd7 11.Qc2 Qe7 12.e4 Rfd8 13.a4 a5 14.Nd2 Ne8 (14...Bh6 15.Rae1+=) 15.Nd5 Qe6 16.h3 f5 17.Nb1 (17.f4 Bd5 18.cd5 Qe7+=) 17...h5 (17...Qf7 18.Nbc3+=) 18.ef5 gf5 19.Nbc3 h4 20.Bf3 Rab8 21.Bc1 Bf6 22.Qd2 Ng7 23.Re1 Qf7 24.Qh6 (24.Nf6 Nf6 25.Bb7 Rb7+/-) 24...Rf8 (24...Ne6!?+=) 25.Bg5+/- e4? (better 25...Ne6 26.Bf6 Nf6 27.Qh4 Nd4+/-) 26.de4+- (26.Nf6?! Nf6 27.Bf6 Qf6 28.Qf6 Rf6 29.de4 Re6+-) 26...fe4 27.Be4 Rfe8 (27...Qh5 28.Ne7 Be7 29.Qh5 Nh5 30.Be7 Be4 31.Bf8 Rf8 32.Ne4 Nf4 33.Nd6 Rf6+-) 28.Bf6 Nf6 29.Nf6 (29.Nf6 Qf6 30.Qf6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.c4 d5 7.a4 b6 8.Be2 Ne4 (8...a6 9.0-0=) 9.d4 (9.Bg7 Kg7 10.cd5 Qd5+=) 9...dc4 10.Bc4 e6 11.0-0 Nd7 12.Nbd2 Nd2 13.Qd2 cd4 14.ed4 (14.Bd4 Ne5 15.Ne5 Be5+=) 14...Bb7= 15.Qe3 e5?? (better 15...Nf6!?=) 16.de5 (16.Ne5 Rc8 17.Bb3 Ne5 18.de5 Qh4+-) 16...Nc5 (16...Bf3 17.gf3 Qh4 18.f4 Ne5 19.Be5 Be5 20.Bf7 Rf7 21.fe5+= (worse 21.Qe5 Qg4 22.Kh1 Qf3 23.Kg1 Rf4 24.Qe6 Kg7 25.Qe7 Kh6=+)) 17.Rfe1 Ne6 (17...Qc7 18.Be2+-) 18.Be6 (18.Rac1!? Qe7+-) 18...fe6+/- 19.Nd4 Bd5 20.Rad1 Rc8? (better 20...Qh4 21.Nc6 Bc6+/-) 21.Ne6!+- Qe7 (21...Be6 22.Rd6 Double attack (22.Rd8 Pinning; 22.Rd8 Deflection; 22.Rd6 Decoy; 22.Rd8 Clearance)) 22.Nf8 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.c4 d5 7.Nc3 d4 8.ed4 (8.Na4!? Nbd7 9.ed4 cd4 10.Nd4=+) 8...cd4-/+ 9.Na4 d3 (9...e5!? 10.Qb3 a6-/+) 10.Qb3= Bf5 11.Nh4 Be4?? (better 11...e6=) 12.f3+- g5 13.fe4 gh4 14.Bd3 Nbd7 15.0-0 (15.e5 Ng4 16.Be2 Nge5+- (16...Nde5? 17.d4+-)) 15...Qc7 (15...Nb6 16.e5 Na4 17.Qa4 Qd3 18.ef6 ef6 19.Bc3+= (19.Bf6?? Bf6 20.Rad1 Bd4 21.Kh1 Rac8–+)) 16.Qc2 White plans c5 (better 16.Be2 Ne4 17.Bg7 Kg7 18.Qe3+-) 16...e5?? (better 16...Ng4 17.e5 Nde5 18.Bh7 Kh8=) 17.c5+- Rac8 18.Rf5 Ng4 (18...a6 19.ba6 ba6 20.Raf1+-) 19.Rc1 f6 (19...Ngf6+-) 20.Rh5 Rfd8 (20...Kh8 21.Rh4 Nh6 22.Rh5+-) 21.Bc4 (21.Rh4 Nh6 22.Qb3 Kh8+-) 21...Kh8 22.Rh4 (22.Be6 Nh6 23.Qb3 Rb8+-) 22...Nh6 23.Bd5 (better 23.Be6!? Rb8+-) 23...Nf8 24.Rh3 Ng6 25.Rf3 Nf4 26.Qc4 Qd7 27.Rf4! ef4 28.d4 Re8 29.c6 (29.h3 f3+-) 29...bc6 30.bc6 Qe7 (30...Qd6 31.Qc5 Qc7 32.h3+-) 31.h3 Qd6 (31...Bf8 32.Nc5 f3 33.Rc2+- (33.gf3?! Qg7 34.Kh1 Qg3+-)) 32.Rf1 (32.Rc3 Rb8 33.c7 Rbc8+-) 32...Rb8 (32...Ng8 33.Nc3 a6 34.Bc1+- (34.Qa6?! Qb4 35.Rf2 Ne7+-)) 33.Bc3 Ng8 (33...f3 34.Bd2 Nf5 35.Rf3 (35.ef5?! Re2 36.Bf3 Rd2+-) 35...Rb1 36.Rf1 Rf1 37.Kf1+-) 34.c7 Rbc8 35.Ba5 Ne7 36.Bb7 Ng6 (36...Bh6 37.Nc3 Rg8 38.a4+-) 37.Bc8 Rc8 38.Nc5 Qc6 (38...Rc7 39.Bc7 Qc7 40.Qd5+-) 39.Qd5 Qd5 (39...Qe8 40.Qd8 f5 41.Ne6 fe4 42.Rb1 Rd8 43.cd8Q Qd8 44.Bd8+-) 40.ed5 Bf8 (40...f5 41.Ne6 Bf8 42.Nf8 Nf8 43.Rf4+-) 41.Nb7 Ba3 (41...Bg7 42.Nd6 Rc7 43.Bc7+-) 42.d6 Nf8 43.Rf4 Nd7 (43...Bb2+-) 44.Re4 Kg8 45.Re7 (45.Re7 Nf8 46.Nc5+-) 1–0. DEFFM – olma, freechess.org, 2019.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Bb2 (10.Bc3 Qb6=) 10...d6 11.0-0 Bd7 (11...Bf5 12.c4=) 12.c4 d5 (12...Bf5 13.d3=) 13.Qc1 (13.Qb3 dc4 14.Bc4 Bf5+=) 13...dc4 (13...Qb6 14.d4+=) 14.Qc4+= Rc8 15.Ng5 Qb4? (better 15...e6+=) 16.Qf7+- Kh8 17.Bc3 Qg4 (17...Qh4 18.f4 Re8+-) 18.Bg4 (18.Bg4 Bg4 19.Qe7+-) 1–0. GuestLTFJ – GuestFMQZ, freechess.org, 2019.

6.Be2 a6 7.a4 Ne4 8.Bg7 Kg7 9.d3 (better 9.0-0=) 9...Nf2?? (better 9...Qa5 10.c3 Nf6 (10...Nc3? 11.Qd2+-) 11.ba6 Na6=) 10.Kf2+- ab5 11.Nc3 ba4 (11...b4 12.Nb5+-) 12.Na4 b5? (better 12...Ra5+-) 13.Nc5 Ra1 (13...Na6 14.d4+-) 14.Qa1 f6 15.Qb2 (15.Rb1 d6 16.Rb5 Qc7+-) 15...Qb6 16.Ne4 (16.d4 Qc7+-) 16...Bb7 17.Qb4 Be4 (17...Nc6 18.Qc5 Qc5 19.Nc5+-) 18.Qe7 (worse 18.de4 Qe6+-) 18...Rf7 19.Qe4 b4 20.d4 b3 (20...f5 21.Qd5 Qf6 22.Bc4+-) 21.cb3 (21.Bc4 bc2 22.Rc1 d5 23.Qd5 Rf8+-) 21...Qb3 (21...Nc6 22.Bc4 Re7 23.Qd5+-) 22.Rb1 d5 23.Rb3 de4 24.Rb8 ef3 25.Kf3 h5 (25...f5 26.Bb5+-) 26.Bb5 f5 (26...h4 27.d5 Rf8 28.Be8 Re8 29.Re8+-) 27.d5 Rf8 28.Rf8 Kf8 29.d6 g5 30.h4! gh4 31.Kf4 h3 32.gh3 h4 33.Kf5 (33.Ke5 Kg8 34.d7 Kh8 35.d8Q Kg7 36.Qg5 Kf7 37.Bc4 Ke8 38.Kd6 f4 39.Qe7) 33...Kf7 (33...Kg7 34.d7 Kf8 35.d8Q Kg7 36.Qe7 Kg8 37.Kf6 Kh8 38.Qg7) 34.e4 Kg7 35.d7 Kh6 (35...Kf8 36.Kf6 Kg8 37.Kg6 Kf8 38.d8Q) 36.Kf6 (36.d8Q Kg7 37.Qe7 Kg8 38.Kf6 Kh8 39.Qg7) 36...Kh5 (36...Kh7 37.e5 Kh6 38.d8Q Kh7 39.Bd3 Kh6 40.Qh8) 37.d8Q Kh6 38.Qh8 1–0. GuestZSNL – gathoo, freechess.org, 2019.

6.Be2 b6 7.0-0 a5 (7...a6 8.a4=) 8.d4 d6 9.c4 Bb7 10.Nbd2 Nbd7 11.d5 Ng4 12.Bg7 Kg7 13.Qc2 e5 14.de6 fe6 15.h3 Nge5 16.Ne5 Ne5 17.f4 Nd7 18.Bg4 Qf6 (better 18...Qe7!?=) 19.Ne4+/- (19.Ne4 Qe7 20.Rad1+/-) 1-0. DEFFM – GuestFYJD, freechess.org, 2021.

6.Be2 d6 7.a4 b6 8.c4 Bb7 9.Nc3 e5 10.0-0 Nbd7 11.d3 Ne8 (11...d5 12.cd5 Nd5 13.Qb3=) 12.Nd2+= f5 13.Bf3 Qc8 14.a5 Nef6 15.e4 (15.Bb7 Qb7 16.a6 Qc7+=) 15...a6 16.Nb3 ab5 17.cb5 ba5 18.Na5 Qc7 (18...f4!?+=) 19.Nb7 Qb7 20.Qb3 Kh8? (better 20...d5 21.Nd5 Nd5 22.ed5 Rf7+-) 21.ef5 d5 22.Nd5 Ra1 23.Ra1 Nd5 (23...e4 24.Be4 Ne4 25.de4 gf5 26.b6+-) 24.Bd5 (24.Qd5?! Qb5 25.Rb1 gf5+=) 24...Qb6 25.Ra6 Qd8 26.fg6 hg6 (26...Qg5 27.Qc2 hg6 28.Ra7+-) 27.Rg6 Qh4 28.Rg3 Qf4 (28...Bh6 29.Bc6 Qf4 30.Qc2+- (30.Bd7?? Qf2 31.Kh1 Qf1)) 29.Rh3 Bh6 30.Qc2 Nf6 (30...Kg7 31.Bc6 Nf6 32.Rg3 Kh8 33.Rf3+- (33.Qc5?! Qd2 34.Qc1 Qc1 35.Bc1 Bc1+-)) 31.Bc1 (31.Bc1 Qb4 32.Qe2+-) 1-0. onur604 (2320) - elMag0 (2375), Casual Rapid game, lichess.org, 2021.

5.Nf3 c6

6.a4 Qa5 7.Be2 cb5 8.ab5 Qd8 9.0-0 a6 10.c4 d5 11.d4 dc4 12.Nbd2 Be6 13.Nc4 Bc4 (13...Bd5 14.Qc2+=) 14.Bc4+/- e6 15.Qb3 Nbd7 (15...Qb6!?+/-) 16.ba6+- ba6 17.Ng5 (better 17.Ba6!? Qc7 18.Rfc1+/-) 17...Nd5 18.Nf3 a5 (better 18...N5f6!?=) 19.Bd5+/- ed5 20.Ba3 Re8 21.Qd5 Nf6 (21...Ne5 22.Qe4 f5 23.Qf4+/-) 22.Qc4 Ng4 (22...Ne4 23.Rfc1+/-) 23.Rfb1+- Qf6 (23...Nf6 24.Bc5+-) 24.h3 Nh6 25.Bc5 Nf5 26.Rb6 Qd8 27.Qb5 Qd5 (27...h6 28.Ra5 Ra5 29.Qa5+-) 28.Ra5 Rad8 29.Ra7 Ne3 (29...Ra8+-) 30.fe3 Re3 (30...Bh6 31.Rf6 Be3 32.Kh1+-) 31.Rb8 Ree8 (31...Rf3 32.Rd7 Qd7 33.Qd7 Rb8 34.gf3 h6+-) 32.Qe8 Re8 33.Re8 Bf8 34.Bf8 Qb3 35.Bh6 1-0. DEFFM – GuestSGCJ, freechess.org, 2021.

6.a4 b6 7.d4 (7.Bd3 d5=) 7...Bb7 8.Bd3 d5 9.0-0 Nbd7 10.c4 dc4 11.Bc4 c5 12.Nbd2 cd4 13.Nd4 Ne5 14.Ne6? (14.Rc1 Qd7=) 14...fe6?? (better 14...Nc4 15.Nd8 Nb2–+) 15.Be5+= Bd5 16.Rc1 Ne8 (16...Rc8!?+=) 17.Bg7+- Kg7 18.Qe2 Nd6 (18...Rc8 19.Rfd1 Nf6 20.e4 Bc4 21.Nc4+=) 19.e4 (19.Rfd1 Qe8+-) 19...Bc4 20.Nc4 Nc4 21.Rc4 Rc8 22.Qb2 (22.Rc6 Qd4 23.Qc2 Rcd8+-) 22...Kf7+= 23.Rc6 (23.Rc8 Qc8 24.Rc1 Rd8+=) 23...Rc6 (23...Qd3 24.Qe5 Rc6 25.bc6=) 24.bc6+= Qd6 (24...Qd3 25.Rc1+=) 25.Qc3+- Rc8 26.Rc1 e5 27.c7 (27.h3 Rc7+-) 27...Ke8 (27...a6!?+=) 28.g3 Kd7?? (better 28...e6+-) 29.Qb3+- Rc7 30.Rd1 1–0. GuestDQRS – GuestCNXK, freechess.org, 2019.

6.a4 c5 7.Be2=.

6.a4 d6 7.d4 d5 (7...Nbd7 8.Nbd2=+) 8.Bd3 Bd7 (8...c5 9.dc5 Qc7 10.0-0=) 9.0-0+= a6 10.Nbd2 (10.Nc3+=) 10...cb5 (better 10...ab5!? 11.ab5 Ra1 12.Qa1 cb5=) 11.ab5+- b6 (11...Be6 12.Qe2+-) 12.c4 dc4 13.Bc4 (13.Nc4?! Bb5 14.Nce5 Bd3 15.Qd3 Nfd7=) 13...e6 (13...Ne8 14.Bd5 Ra7 15.ba6 Na6 16.Qb3+-) 14.Ne5 (14.ba6?! b5 15.Be2 Na6+-) 14...Bc8 (14...Nd5 15.Qf3+-) 15.Qf3 Ra7 16.ba6 Na6?? (16...Ba6 17.Ba6 Ra6+-) 17.Nc6 Bb7 18.Ra6 (18.Ra6 Ra6 19.Ba6 (19.Nd8?! Bf3 20.Ba6 Bd5+-) 19...Bc6 20.Qc6+-) 1–0. Anonymous – Anonymous, lichess.org, 2020.

6.a4 d6 7.Be2 cb5 (7...a6 8.0-0=) 8.ab5 Nbd7 (8...e5 9.0-0+=) 9.0-0 Nc5 (9...a6 10.d4=) 10.d4+= Ne6 (10...Nce4 11.Nbd2+=) 11.Nbd2 (11.c4 d5+=) 11...Bd7 12.c4 (12.Ra3 d5+=) 12...a6 13.d5 (13.Qb3 Qb6+=) 13...Nc5= 14.ba6 (14.Nb3 ab5 15.Nc5 Ra1 16.Qa1 dc5 17.cb5 Bf5+=) 14...Ra6 (14...ba6 15.Bd4=) 15.Nb3 (15.e4 Nfe4 16.Bg7 Kg7 17.Ne4 Ne4 18.Ra6 ba6 19.Qa1 Kg8 20.Qa6 Nc5=) 15...Ra1 16.Na1 (16.Ba1? Ba4 17.Nfd2 Nb3 18.Nb3 Qb6–+) 16...Qc7 17.Nc2 Ra8 18.Qb1 (18.Ncd4 Nfe4=) 18...Qa5 (18...e5 19.de6 fe6 20.Ncd4+=) 19.Bd4= b6 (19...Bf5 20.Nh4 Be4 21.f3 Bc2 22.Qc2=) 20.Qb2 Na4 21.Qb4 Qa7 (21...Qb4 22.Nb4 e5 23.de6 fe6 24.Ba1=) 22.Rb1 (22.Ra1 Qa5+=) 22...Rb8 (22...Qa6 23.Bd1+= (23.Bb6? Rb8–+)) 23.Ra1 Ra8 24.Nd2 (24.Bb6 Qa6 25.Bd4 Nd5 26.cd5 Qe2+/–) 24...Ne8 (24...Qc7 25.Bd3+=) 25.Bg7 Kg7 1–0. Alimova,Ekaterina – Suslova,Alena, RUS–ch U12 Girls, 2004.

6.Nc3 d5 7.a4 (7.Bd3 Re8 8.0-0 e5+=) 7...a6 (7...Nbd7 8.Be2+=) 8.Bd3= Bg4 9.0-0 Nbd7 10.Re1 (10.h3 Bf3 11.Qf3 Ne5=) 10...Ne5+= 11.Be2 Nf3 (11...Bf3 12.Bf3 Nc4 13.Rb1-/+) 12.gf3 (12.Bf3 Qd7+=) 12...Bh3-/+ 13.d4 Bh6 (13...ab5 14.ab5 Qd6 15.Qd2-/+) 14.e4 (14.bc6 bc6 15.f4 Qd7+=) 14...de4 (14...Bf4 15.bc6 bc6 16.Bc1-/+) 15.fe4+= e6 (better is 15...ab5!? 16.ab5 Ra1 17.Ba1 Qc7+=) 16.Qd3 Bg4 17.f3 (17.Bg4 Ng4 18.bc6 bc6=) 17...Bh3= 18.e5?? (better is 18.f4 Bg4 19.bc6 bc6 20.Rf1=) 18...Nd5–+ 19.Bf1 Qg5 (19...Nf4 20.Qd2 Bg2 21.Re3–+ (21.Bg2?? Nh3 22.Bh3 Bd2–+)) 20.Kh1-/+ Nf4 21.Qd2 Bf1 (21...Qh4!? 22.Reb1 ab5 23.ab5 Bf1 24.Rf1 Nh5-/+) 22.Rf1+= Qh5 23.b6 (23.bc6 bc6 24.Ne4 Kh8+=) 23...Nh3 (23...f5!?-/+) 24.Qe1 Bf4 25.Ra3 (better is 25.Ne4!? Qh6 26.Ba3=) 25...Ng5-/+ 26.Qf2 Nf3?? (better is 26...f6 27.Ne2 fe5 28.de5 Nh3-/+) 27.Ne4 (better is 27.Ne2 Nh2 28.Nf4 Ng4 29.Nh5 Nf2 30.Rf2 gh5 31.Rh3+-) 27...Nh2?? (27...f5 28.Rf3 Bh2 29.Qh2 Qh2 30.Kh2 fe4 31.Rf8 Rf8 32.Rf8 Kf8+-) 28.Nf6 Kh8 29.Nh5 Nf1 30.Nf4 g5 31.Nh5 f5 32.ef6 Nd2 33.f7 Ne4 (33...Rf7 34.Qf7 Rg8 35.Qf6 Rg7 36.Qg7) 34.d5 (34.d5 e5 35.Be5 Nf6 36.Qf6) 1–0. kewois (1835) – unicornn (1795), gameknot.com, 2017.

6.Nc3 d6=+.

6.c4 cb5 7.cb5 Qa5 8.a4 Nd5 9.Bg7 Kg7 10.Qb3 Nb4 11.Nc3 d6 12.Bc4 Nd7 13.0-0 Nc5 14.Qb2 Bf5 15.Nd5 Kg8 16.Ne7 1–0. Abdullaevich (1615) – BillyMollison (1645), lichess.org, 2018.

6.c4 cb5 7.cb5 d5 8.a4 b6 9.h3 Bb7 10.Be2 Nbd7 11.0-0 Rc8 12.d4 Ne4 13.Ba3 Re8 14.Nfd2 Ndf6 15.Ne4 Ne4 16.Nd2 Nf6 17.Rc1 Qd7 18.Qb3 e6 19.Nf3 Ne4 20.Bd3 Nf6 21.Ne5 Qd8 22.Rc2 Rc2 23.Qc2 Ne4 24.Nc6 Bc6 25.Qc6 h5 26.Be4 de4 27.Qe4 Qd7 28.Rc1 f5 29.Qc6 Qf7 30.Bd6 e5 31.de5 Be5 32.Be5 Re5 33.Qa8 Re8 34.Rc8 Rc8 35.Qc8 Kg7 36.Qc6 Kh6 37.g3 Qg7 38.Kg2 Kh7 39.h4 Kh6 40.Qd5 Qa1 41.Qd4 Qa2 42.Qf4 Kg7 43.Qc7 Kh6 44.Qa7 Qd5 45.Kh2 Qf3 46.Kg1 Qd1 47.Kg2 Qd5 48.Kh2 Qf3 49.Kg1 Qd1 50.Kg2 Qd5 ½–½. Abdullaevich (1920) – Reinaldorfj1 (1925), lichess.org, 2019.

6.c4 cb5 7.cb5 d5 8.a4 Nbd7 9.Be2 Nb6 10.0-0 Re8 11.d3 e5 (11...Bg4 12.Ne5 Qd6 13.Bg4 Ng4 14.Qg4 Be5 15.Be5 Qe5 16.Nd2+=) 12.Qb3 ( 12.Be5 Bg4 13.Bd4+/–) 12...e4 13.Nd4 ed3 14.Bd3 Ne4 15.Nc3 (15.Qc2!?+=) 15...Nc5 (15...Nd2!? 16.Qa2 Nf1 17.Bf1 Bd4 18.ed4 Be6-/+) 16.Qc2 Nd3 17.Qd3 Nc4 18.Bc1 Be6 19.Nce2 Rc8 20.Nf4 Qd7 (20...Bf5 21.Qb3-/+) 21.Nfe6 ( 21.Bd2!?=+) 21...fe6-/+ (21...Re6?! 22.Ne6 Ba1 23.Nf4=) 22.b6? (22.Qd1 e5 23.Ne2 e4-/+) 22...a6 (22...e5 23.Nb5 e4 24.Qb1 Ba1 25.Qa1 Nb6 26.Rd1–+) 23.a5 ( 23.Ra2!?–+) 23...e5 24.Nb3 e4 25.Qb1 Ba1 26.Qa1 Qb5 27.Nd4? Qd7 28.Ba3?? Na5 29.h3 Nc4 30.Bb4 Nb6 31.Ba5 Nc4 32.Qa2 b6 33.Be1 a5 34.Nb3 Qb5 35.Ba5 ba5 36.Nd4 Qb6 37.Rb1 Qa6 38.Qa4 Nd2 39.Rb5 Rc1 40.Kh2 Qd6 41.g3 Nf3 42.Nf3 ef3 43.Qa5 Rc6 44.Rd5 Qe6 45.Rd4 Rc2 46.Rd5 Rf2 (47.Kg1 Rg2 48.Kf1 Qe3 49.Qd2 Qg1) 0–1. OPA – exerpt, Live Game Caissa's Web, 2004.

6.c4 d5 7.Nc3 dc4 8.Bc4 cb5 9.Nb5 Nc6 10.0-0 a6 11.Nbd4 Nd4 12.Nd4 Ne4 13.f4 e6 (13...Nd6 14.Rc1=) 14.Qc2 Nc5 15.a4 b6 16.Nc6 Qd7 (16...Qd6 17.Ne5 f6 18.Nf3+=) 17.Bg7+/- Kg7 18.Ne5 Qc7 19.d4 Nd7 20.Rac1 Ne5 21.fe5 (worse 21.de5 Bd7+=) 21...Bb7 (21...Bd7!?+/-) 22.Be6!+- Qc2 (22...fe6 23.Qc7 Double attack (23.Qc7 Discovered attack; 23.Qc4 Decoy)) 23.Rc2 fe6 (23...Bg2 24.Rf7 (24.Rg2?! fe6 25.Rc2 Rfc8+=; 24.Kg2?! fe6 25.Rc7 Kh6+-) 24...Rf7 25.Bf7+- (25.Kg2?! Rfa7+=; 25.Rg2?! Re7 26.Bd5 Rb8=)) 24.Rc7 Kg8 25.Rb7 (25.Rf8 Rf8 26.Rb7 b5 27.ab5 ab5 28.Rb5 g5+-) 25...Rf1 26.Kf1 b5 27.a5 Kh8 (27...Rc8 28.Rb6+-) 28.Rb6 Kg7 29.Re6 Ra7 30.Ke2 Kf7 31.Rf6 Kg7 32.Kd3 Kh6 33.d5 Kg5 34.Ke4 Rb7 (34...Ra8 35.d6 Rd8 36.Rf7+-) 35.Rb6 Ra7 (35...Rd7+-) 36.d6 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.c4 d5 7.d3 dc4 8.dc4 Qd1 9.Kd1 Bg4 10.Be2 Nbd7 11.h3 Bf3 12.Bf3 cb5 13.cb5 Rab8 14.Ke2 b6 15.Nd2 Nc5 16.Bd4 Nfd7 17.Bg7 Kg7 18.Rhd1 Ne5 19.a4 Ned3 20.Ne4 Rfd8 21.Nc5 Nc5 22.Bc6 Nb3 23.Ra3 Rd1 24.Kd1 Rd8 25.Ke2 Nc1 26.Kf3 Nd3 27.a5 Ne5 28.Kg3 Nc4 29.ab6 Na3 30.ba7 Nb5 31.a8Q Ra8 32.Ba8 Nd6 33.e4 e5 34.f4 f6 35.Kf3 h6 36.g4 g5 37.f5 Nc4 38.Bd5 Nb6 39.Kg3 Nd5 40.ed5 Kf7 41.Kf3 Ke7 42.Ke3 Kd7 43.Kd3 Ke7 44.Kc4 Kd6 45.Kd3 Kd5 46.Ke3 e4 47.Ke2 Kd4 48.Kd2 e3 49.Ke2 Ke4 50.Kf1 Kd3 51.Ke1 e2 52.Kf2 Kd2 53.Kf3 e1Q 54.Kg2 Qe2 55.Kg3 Ke1 56.h4 Qf2 57.Kh3 Qh4 58.Kg2 Qg4 59.Kh2 Qf5 60.Kg3 h5 0–1. Abdullaevich (1660) – Seniyenerim (1820), lichess.org, 2018.

6.a4 a6

7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 Qa5 11.Bc3 Qb6 (11...Qc7 12.Be2=) 12.Be2 d6 13.0-0 Nbd7 14.Qb3 Nc5 15.Qa3 Nfe4 (15...Bf5!?=) 16.d4+= Nc3 (16...Nd7 17.Ba5 Qa7 18.Bd3+=) 17.Nc3 Ne6? (better 17...Nd7+=) 18.Nd5+- Qd8 19.Rc1 Bd7 (19...Bf6 20.Qa7 Qe8 21.Nd2+-) 20.Qa7 Qa8 21.Ra1 Qa7 22.Ne7 Kh8 23.Ra7 Rb8 24.Nd5 Nd8 25.Bc4 Be6 26.Nd2 f5 (26...Bf8 27.Nb6 Kg7 28.Be6 fe6 29.Ne4+-) 27.Nb6 Bc4 (27...f4 28.Be6 Ne6 29.Nd7+-) 28.Ndc4 (28.Nbc4?! Bf8+-) 28…Bf8 1–0. onur604 (2320) – amir58 (1995), lichess.org, 2020.

7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 d5 11.d4 Ne4 12.Nbd2 Bd7 (12...Qa5 13.Be2=+) 13.Bd3 (13.Bb2 Bf5=) 13...f5 (13...Qa5!?=+) 14.0-0= Qa5 15.Nb3 (15.Qe2 Bc8=) 15...Qb6 (15...Qb4!?=+) 16.Qe2 Nd6 17.Nc5 Bc8 (17...Bb5!? 18.Rb1 Bd3 19.Qd3 Qc6=) 18.Rb1 (18.Qa2 e6+/–) 18...Nd7 (18...Ne4 19.Rc1+=) 19.Rc1 (19.Ne6!? Re8 20.Ng7 Kg7 21.Ne5+/–) 19...Ne4 20.Qa2 Ndc5 ( 20...e6=) 21.Qd5?? ( 21.dc5 Nc5 22.Bg7 Kg7 23.Qd5 Nd3 24.Qd3+/–) 21...Be6–+ 22.dc5 Bd5?? ( 22...Rc8 23.Qe6 Qe6–+) 23.cb6+= Ba1 24.Ra1 Rc8 25.Ne5 Nd2 26.h3 Nb3 27.Ra4 Nc5 28.Rd4 e6 29.g4 Kg7 30.gf5 gf5 31.Be2 Kf6 32.f4 Rg8 33.Kf2 Rg2 34.Ke1 Ne4 35.Bf3 Rh2?? 36.Nd7 Ke7= 37.Be4 fe4 38.Nc5 Rh3 39.Kd2 Rh2 40.Kc3 Re2 41.f5 Re3 42.Kd2 Rf3 43.fe6 Be6 44.Nb7 Rb3 45.Re4 Rb5= 46.Rh4 Bf5=+ 47.Rh5 Ke6 48.Nd8 Kd7 49.Nf7= Ke6 50.Ng5 Ke5 51.Nh7 Rb6= 52.Ng5 ½–½. qarqua – bakwas, Live Game Caissa's Web, 2004.

7.c4 ab5 8.ab5 Ra1 9.Ba1 d5 10.Nc3 Re8 11.Be2 e5 12.cd5 (12.d4 ed4 13.Nd4 dc4 14.Bc4 Bg4=) 12...cd5 (12...e4 13.Nd4 Nd5 14.bc6 bc6 15.Nd5 cd5 16.0-0=) 13.d4 e4 14.Nd2 Nbd7 15.0-0 Nb6 16.Bb2 h5 (16...Be6 17.Ba3=) 17.Qb3 (17.Ba3 Bg4+=) 17...Bg4 (17...h4 18.h3+=) 18.Bg4+= White fights for the Initiative 18...Ng4 19.h3 Nh6 (19...Nf6 20.Ba3+=) 20.Ba3+- Nf5 (20...Qg5 21.Bc5 Nd7 22.Nd5 (worse 22.Qd5 Qd5 23.Nd5 Nc5=) 22...Nc5 23.dc5+-) 21.Bc5 Nd7 (21...Nc4 22.Nc4 dc4 23.Qc4+-) 22.Qd5+- (22.Nd5?! Nc5 23.dc5 Re5+=) 22...Nc5 23.Qc5 Nd4 (23...Bf8 24.Qc4 Nd6 25.Qd5+-) 24.ed4 Bd4 25.Qc4 e3 26.fe3 (26.Nf3 ef2 27.Kh1 Bc3 28.Qc3 Re2+-) 26...Be3 (better 26...Re3 27.Nb3 Bc3 28.Qf7 Kh8 29.Qg6 Qe8 30.Rf8 Qf8 31.Qh5 Kg8 32.Qg5 Kf7 33.Qf4 Bf6 34.Qe3 Qb4+-) 27.Kh1 Re7 (27...Bd2 28.Qf7 (28.Rf7?! Re1 29.Rf1 Kh8 30.Re1 Be1+=) 28...Kh8 29.Nd5+-) 28.Nde4 (28.Nb3 Rc7 29.Qd5 Qe7+-) 28...Kg7 (28...Bd4+-) 29.Nd5 (29.Nd5 Re4 30.Qe4+-) 1–0. onur604 (2320) – Manni1 (2210), lichess.org, 2020.

7.c4 d5 8.Nc3 Ne4 9.cd5 cd5 10.Be2 Qa5 11.0-0 Nc3 12.dc3 Qb6 (better 12...Rd8!?=) 13.Qd5+/- Be6 14.Qg5 Bf6 15.Qh6 Nd7 (15...Qc5 16.Ba3 Qc3 17.Rfc1 Qa1 18.Ra1+-) 16.Ng5+- Bg5 17.Qg5 f6 18.Qf4 Ne5 (18...ab5 19.ab5 Nc5 20.Qb4+-) 19.c4 Qc7 20.Bd4 Rac8 21.ba6 ba6 22.c5 Nc6 (22...Qc6 23.Rfc1+-) 23.Qc7 Rc7 24.Ba6 Nd4 (24...Rd8 25.Bc3+-) 25.ed4 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.c4 d5 8.cd5 c5 (8...Qd5 9.Nc3 Qd6 10.d4=) 9.Bc4 Nd5 10.Bg7 Kg7 11.Qb3 Nb4 (11...Nb6 12.0-0=) 12.0-0+= a5 (12...ab5 13.Bb5 Qd6 14.Nc3+=) 13.Nc3 e6 (13...Bf5 14.Nd5+=) 14.Ne4 (14.Rad1 Qc7+-) 14...b6 15.Qb2 f6 16.Rad1 Bb7 (better 16...Qe7!?+-) 17.Neg5+- Bd5 18.Ne6 Be6 19.Be6 Nd7 (better 19...Qd3+-) 20.d4 Qc7 (20...Ra7 21.dc5 bc5 22.Qc3+-) 21.Bd7 Qd7 22.dc5 Qc7 23.cb6 Qb6 24.Rd7 Kh8 (24...Rf7 25.Rfd1 Qe6+-) 25.Ng5 h5 (25...Ra7 26.Rfd1 Kg8+-) 26.Rh7 Kg8 27.Qb3 (27.Qb3 Nd5 28.Qd5 Qe6 29.Qe6 Rf7 30.Qf7) 1–0. onur604 (2320) – owl77 (1995), lichess.org, 2020.

7.c4 d6 8.Be2 (8.Nc3 Nbd7=) 8...Nbd7 (8...ab5 9.cb5 cb5 10.Bb5=+) 9.d4 (9.Nc3 Nc5=) 9...e5 (9...ab5 10.cb5 Qa5 11.Nc3=+) 10.0-0= Nb6 (better 10...ed4!? 11.Nd4 ab5 12.ab5 Ra1 13.Ba1 c5=) 11.de5+- de5 12.Be5 (12.bc6 bc6 13.Ne5 Qc7+-) 12...Be6 (12...Nbd7 13.Bb2+=) 13.Qb3 (13.bc6 bc6 14.Nbd2 Re8+-) 13...ab5 (13...Nbd7 14.Rd1 ab5 15.ab5+-) 14.ab5+- Ra1 15.Ba1 cb5 (15...Nbd7 16.Nc3+-) 16.Qb5 Nfd7 (16...Qc7!?+-) 17.Bd4+- Bd4 (17...Qc7 18.Nbd2+-) 18.ed4 Qc7 19.Nbd2 Rd8 (19...Ra8 20.Re1+-) 20.Re1 Qf4 (20...Bf5 21.c5 Nd5 22.Bc4+-) 21.c5 Nd5 22.Qb7 Nc3 (22...Rb8 23.Qa7+-) 23.c6 Ne2 (23...Nf6 24.Bc4 Rb8 25.Qa7 Bc4 26.Nc4+-) 24.Re2 Bd5 (24...Nf8 25.c7 Rc8+-) 25.Qd7 Rd7 26.cd7 Bf3 27.d8Q Kg7 28.Nf3 Qc1 29.Re1 (29.Re1 Qa3 30.d5 Qa6 31.d6 Qc4 32.d7 Qa2 33.Qh4 Qb3 34.Qd4 Kh6 35.d8Q Qf3 36.gf3 f6 37.Q8f6 Kh5 38.Qfh4) 1–0. DEFFM – GuestMSJN, freechess.org, 2019.

7.Bd3 Nd5 (7...ab5 8.ab5 Ra1 9.Ba1=+) 8.Bg7= Kg7 9.c4 Nb4 10.Qb3 Nd3 11.Qd3 ab5 12.cb5 f6 13.0-0 e5 14.Qb3 d5 (14...cb5 15.Qb5 Ra5 16.Qb3=) 15.Nc3 Be6 (15...Re8 16.Qb4=) 16.bc6+= Nc6 (16...Ra6 17.Qb7 (worse 17.cb7 d4 18.Qc2 dc3-/+) 17...Rf7 18.Qb5+=) 17.Qb7 Ne7 (17...Bd7 18.Nd5 Rb8 19.Qa6+-) 18.Rfb1 Rf7 19.d4 (19.Qb6 Qc8+-) 19...e4 (19...Rc8 20.Qb2 Bf5 21.Rc1+- (21.de5?! Bb1 22.e6 Rf8 23.Rb1 Qa5+=)) 20.Nd2+- h5? (20...Rc8 21.Qb2 Nc6+-) 21.Nb3+- Rb8?? (better 21...Bf5+-) 22.Nc5 Rb7 23.Ne6 Kh6 (23...Kh8 24.Nd8 (24.Rb7?! Qa5 25.Nb5 Qa6+-) 24...Rb1 25.Rb1+-) 24.Nd8 (24.Rb7?! Qa5 25.Rc1 Qa8+-) 24...Rb1 25.Rb1 Rf8 (25...Rg7 26.Rb7 Nc8 27.Nf7 Kh7 28.Nd5+-) 26.Rb8 g5 (26...f5 27.a5 Rf6 28.Rb7+-) 27.a5 Nf5 28.a6 h4 29.a7 g4 30.a8Q (30.Ne6 Nd4 31.ed4 g3 32.Rf8 Kg6 33.Rg8 Kh6 34.a8Q gf2 35.Kf2 h3 36.Rh8 Kg6 37.Qg8 Kf5 38.Rh5) 30...g3 31.Qd5 gf2 32.Kf2 Kg6 (32...Nd4 33.ed4 e3 34.Ke3 h3 35.g4 f5 36.Qe6 Kg5 37.Nf7 Rf7 38.Rg8 Rg7 39.Rg7 Kh4 40.Qf6) 33.Qe4 (33.Qe4 h3 34.Qg4 Kh6 35.Nf7 Rf7 36.Rh8 Rh7 37.Qh3 Nh4 38.Qh4 Kg6 39.Qh7 Kg5 40.Rg8) 1–0. DEFFM – guno, freechess.org, 2019.

6.a4 cb5

7.ab5 a5 8.c4 d6 9.Be2 b6 10.0-0 Bb7 11.d4 Nbd7 12.Nc3 White intends d5 12...Rc8 13.Na4 Ne4 14.Nd2 e5 15.d5 Nec5 16.e4 (16.Nc5 Nc5 (worse 16...Rc5 17.Ne4+/-) 17.Nb3 Nb3 18.Qb3 e4=) 16...Bh6=+ 17.Nb3 (17.Nc5!? Nc5 18.Ba3=+) 17...Ne4-/+ 18.Bd3 Ndc5 (18...f5 19.Qe2 Qc7 20.f3-/+) 19.Nbc5 Nc5 20.Nc5 Rc5 (20...bc5?! 21.Qc2+=) 21.Bc1 (21.Qe2 f5-/+) 21...Bc1-+ 22.Qc1? (better 22.Rc1 f5 23.Be2-+) 22...Bd5! 23.Ra4 (23.cd5 Rc1 Pinning (23...Rc1 Deflection)) 23...Qc7 (23...Be6 24.Qe3-+) 24.f4 (24.Qe3 Be6-+) 24...Rc8 25.Qa3 (25.Qe3 ef4 26.Rf4-+) 25...Bc4 26.fe5 Bd3 27.ed6 (27.Qd3 de5 28.Raa1-+) 27...Qd6 28.Rd1 Rd8 29.Qb2 (29.Qa2 Rb5 30.Qf2 Rb1-+) 29...Rd5 30.Qf2 (30.h3 Bb5 31.Rd5 Qd5-+ (31...Ba4?! 32.Rd6 Rd6 33.Qa3 Rd1 34.Kf2-/+)) 30...Bb5 31.Rd5 Qd5 (31...Ba4?! 32.Rd6 Rd6 33.Qf4 Rd1 34.Kf2=+) 32.Ra1 Bc6 (better 32...Qd1! 33.Qe1 Qd4 34.Kh1-+) 33.Qf3 (33.Rc1-+) 33…Qd4 (33...Qd4 34.Kf1 Bb5 35.Qe2 Be2 36.Ke2 Qe4 37.Kf1 Rd2 38.Rc1 Qg2 39.Ke1 Qe2) 0-1. Bushwacker (1800) - Zbigniavas (2440), ChessWorld.net, 2006.

7.ab5 b6 8.d4 Bb7 9.Bd3 d6 10.0-0 a5 11.ba6 (11.Nc3 Re8=) 11...Ba6 (11...Na6!? 12.c3 e5=) 12.Nc3+= Bd3 13.Qd3 Nc6 14.Ra8 Qa8 15.Ra1 Qb7 16.Qb5 Nd7 (16...e6 17.e4+=) 17.Ng5 (17.Ra4+-) 17...Ra8 (17...Nf6!?+-) 18.Ra8+- Qa8 19.Qc4 Nd8 (19...e6 20.Ne6! Nde5 21.de5 Ne5 22.Qb3 fe6 23.Qe6 Nf7 24.f4+-) 20.Qc7 h6? (20...Bf6 21.Nge4 d5 22.Nf6 Nf6 23.Qe7 Kg7+-) 21.Qd7 hg5 22.Qe7 Nc6 (22...Bf8 23.Qg5 Ne6 24.Qb5+-) 23.Qd6 Bf8 24.Qd5 Nb4 (24...g4+-) 25.Qa8 (25.Qa8 Na6 26.Ba3 Nc5 27.dc5 b5 28.Nb5 Kg7 29.c6 Ba3 30.Na3 f5 31.c7 f4 32.c8Q Kf6 33.Qf8 Ke6 34.Nc4 fe3 35.Qc6) 1–0. DEFFM (2415) – Torre1971 (2070), rated rapid game lichess.org, 2020.

7.ab5 b6 8.d4 Bb7 9.Bd3 d6 10.0-0 Nbd7 11.Nbd2 Nd5 12.c4 N5f6 13.Qb3 a5 14.ba6 Ba6 15.e4 Qc7 16.Ra3 e5 (16...Bb7 17.Rfa1+=) 17.Rfa1 (17.Ra6 Ra6 18.c5 b5 19.cd6 A) 19...Qd6? 20.de5 Qe6 21.ef6 Bf6 22.Qb4+- (22.Qb5 Rb6 23.Qc4 Rb2-/+); B) 19...Rd6 20.de5 Rd3 21.Qd3 Ng4+=) 17...Bb7+= 18.Qc2 (18.Bc2 ed4 19.Bd4 Ra3 20.Ra3 Ra8=) 18...ed4 19.Nd4 Nc5 Increases the pressure on e4 20.Nb5 Qd7 (20...Qe7 21.f3=) 21.f3 Ra3 22.Ra3 (worse 22.Ba3 Nfe4 23.Rd1 Nd2 (23...Nd3?! 24.Qd3 Nd2 25.Qd2=) 24.Qd2 Rd8-/+) 22...Bc6 (22...Ra8 23.Ra8 Ba8 24.Nb3=) 23.Ra7 (23.Be2 Rc8 24.Ra7 Qd8+=) 23...Qe6 (23...Qe8 24.Bd4=) 24.Nd4 (24.Nb3 Nd3 25.N3d4 Ne1+-) 24...Qe8+= 25.Qb1 Nd3 (25...Bd7 26.Bc2+=) 26.Qd3+- Nh5 (26...Bd7 27.Qa3 Qb8 28.N4b3+-) 27.g3 Qb8?? (better 27...Qc8+-) 28.Nc6+- Qc8 (28...Qe8 29.Bg7 Ng7 30.Qd6 h5+-) 29.Ne7 (29.Ne7 Kh8 30.Bg7 Kg7 31.Nc8 Rc8 32.Qd6+-) 1–0. DEFFM – Ilhomchik, freechess.org, 2019.

7.ab5 b6 8.Be2 Bb7 9.0-0 Qc7 10.d4 d6 11.c4 Nbd7 12.Nbd2 a5 13.ba6 Ra6 14.Ra6 Ba6 15.e4 Bb7 16.Bd3 e5 17.Re1 ed4 18.Nd4 Ne5 19.Bf1 Ba6 Increasing the pressure on the isolated pawn on c4 20.Nb5 Bb5 21.cb5 Nfd7 22.Ba3 Nc5 23.Nc4 The isolani on d6 becomes a target 23...Nc4 24.Bc4 Be5 25.g3 h5 (25...Ra8 26.Bc1+=) 26.Bd5 Qa7 27.Bb4 Kg7 28.f4 Bf6 29.Qe2 Qa4 30.Rb1 Be7?? (better 30...Re8+/-) 31.Bc3+- Kg8 (31...Bf6 32.Bf6 Kh7 33.g4+-) 32.Ra1 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.ab5 Qb6 8.Bd4 Qc7?? (better 8...Qd8+=) 9.Ra7+- Ra7 10.b6 (10.b6 Qb6 11.Bb6+-; 10.Ba7?! b6 11.Bb8 Qb8=) 1–0. Anonymous – Anonymous, lichess.org, 2020.

7.ab5 Qb6 8.Bd4 Qd6 9.Ra7 Ra7 10.Ba7 Qb4?? (better 10...b6+/-) 11.Bb8+- 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.ab5 d5 8.Be2 Bf5 9.0-0 Ne4 (9...a6 10.Nc3=) 10.d4 (10.Bg7 Kg7 11.Nd4 Qd7+=) 10...Nd7 11.Nbd2 Nd2 12.Nd2 e5 13.c4 dc4 (13...Re8 14.de5 Ne5 15.c5+=) 14.Nc4+/- (worse 14.Bc4 ed4 15.Bd4 Bd4 16.ed4 Nb6=+) 14...e4 (14...Qc7 15.Ba3 Rfe8 16.Nd6 ed4 17.ed4+/-) 15.Ba3 Re8 16.Nd6 Re6 17.Nb7 Qb8 18.Na5 h6? (better 18...Qc7 19.Nc6 Rc6 20.bc6 Qc6+-) 19.Nc6 (19.g4 Bg4 20.Bg4 f5+-) 19...Qb6 (19...Rc6 20.bc6 Nb6 21.Qc2+-) 20.g4 Bg4 21.Bg4 f5 (21...Qb5 22.Be6 Qc6+-) 22.Qb3 Rae8 23.Be7 R8e7 (23...Nf8 24.Ra7 Qa7 25.Na7 R8e7 26.Nc6+-) 24.Ne7 Kh7 (24...Kf7 25.Nf5! gf5 26.Bf5+-) 25.Nc8 Qc7 1-0. DEFFM – GuestKWSH, freechess.org, 2021.

7.ab5 e6 8.d4 b6 9.Bd3 Bb7 10.Nbd2 d5 11.Ba3 (11.c4 a6+=) 11...Re8+= 12.0-0 Ne4 (12...Nbd7 13.Bb4+=) 13.c4 Nd2 14.Nd2 dc4 (14...a5 15.f4+-) 15.Bc4 (15.Nc4 Bf8+-) 15...Bf8 (15...Nd7 16.f4+=) 16.Nf3 (16.Bf8 Rf8 17.Qe2 Nd7+-) 16...Ba3+= 17.Ra3 Qe7 18.Rb3 (18.Ra1 Nd7+=) 18...Nd7 19.Nd2 (19.Qe2 Rac8+=) 19...Rac8= 20.Qa1 Qg5 21.f3 Nf6 22.Qa7 Bd5 23.Bd5 Nd5 24.f4 (24.Ne4 Qh4+=) 24...Qf5= 25.Qa3 (25.e4 Qf6 26.Nf3 Ra8=) 25...Qc2 (25...Rc2!? 26.Rf2 Rec8=+) 26.Rb2= Qc7 27.Ne4 (better 27.Qd3+=) 27...Kg7?? (better 27...Ra8 28.Qd3 Rec8=) 28.Nd6+- Ra8 29.Ne8 Re8 30.Qd3 Rc8 31.Rb3 Nf6 32.Ra1 Ng4 (32...Qc2 33.Qc2 Rc2 34.h3+-) 33.h3 Nh6 (33...Nf6 34.Rba3+-) 34.g4 f5 (34...g5 35.Qd2 Qc4 36.Rbb1+-) 35.Rba3 Qd7 (35...Qd8 36.Ra7 Nf7 37.gf5 ef5 38.d5+-) 36.Ra7 Rc1 (36...Rc7 37.Rc7 Qc7+-) 37.Rc1 Qa7 38.d5 ed5 (38...e5 39.fe5 Nf7+-) 39.Qd4 (39.Qd4 Kf7 40.Qd5 Kg7 41.Qe5 Kf7 42.Rc7 Qc7 43.Qc7 Kf8 44.Qd8 Kf7 45.Qb6 Ng8 46.Qd6 Kg7 47.b6 Nh6 48.Qd4 Kf7 49.Qd7 Kg8 50.b7 Nf7 51.Qe7 fg4 52.b8Q Kg7 53.Qbf8) 1–0. DEFFM – GuestZYKK, freechess.org, 2019.

7.ab5 e6 8.d4 d5 9.c4+=.

7.ab5 e6 8.d4 Nd5 9.c4+- Nb6 (9...Nf6 10.Nc3+-) 10.Bd3 (10.h4 a6+-) 10...Qc7 (better 10...d6!?+-) 11.c5+- Nd5 12.b6! Qd8 (12...ab6 13.Ra8 Pinning (13.Ra8 Deflection)) 13.Ra7 Ra7 14.ba7 (14.ba7 Qa5 15.Nc3+-) 1–0. DEFFM – GuestVKLJ, freechess.org, 2019.

7.ab5 a6

8.c4 b6 9.Nc3 Bb7 10.Be2 ab5 11.Ra8 Ba8 12.Nb5 Bc6 13.0-0 d5 14.Ne5 e6 (14...Bb7 15.Qc2+=) 15.Ba3 Re8 16.f4 (better 16.Nd6!? Re7 17.Qc1+-) 16...Bb5+= 17.cb5 Ne4 18.Qc1 Nd7 19.Nc6 (19.d3 Ne5 20.fe5 Nc5+=) 19...Qh4 (19...Qa8 20.Bb4+=) 20.Bf3+= Ndc5 (20...f5 21.g3 Qf6 22.d3+-) 21.Qc2+- f5 (21...Nd6!?+-) 22.d3+- Nc3? (better 22...Nd6+-) 23.Bc5 bc5 24.b6 Rc8 (24...Re7+-) 25.b7 Rc6 (25...Re8+-) 26.b8Q Bf8 27.Qc3 (27.Qc3 Qe7 28.Ra1+-) 1–0. DEFFM – GuestBDLR, freechess.org, 2019.

8.c4 b6 9.d4 Bb7 10.Nbd2 ab5 11.Ra8 Ba8 12.cb5 d6 13.Bd3 Nbd7 14.0-0 e5 15.Qc2 Bf3 (15...Qe7!? 16.de5 de5=) 16.Nf3+- (16.gf3?! ed4 17.Bd4 Nc5=) 16...ed4 (16...Qe7 17.Be2+-) 17.Nd4 Nd5 (17...Nc5 18.Nc6 Qe8 19.Rd1+-) 18.Bc4 Qg5 (18...Bd4 19.Bd4 (worse 19.ed4 N7f6+=) 19...Nc7 20.Rd1+-) 19.h4! Qe7?? (19...Qh4 20.Bd5 Deflection) 20.Bd5+- Ne5 (20...Qh4 21.Qc7 Qg5 22.Qd6+-) 21.h5! 1–0. DEFFM – GuestMYJJ, freechess.org, 2019.

8.d4 d5 9.Bd3 Bd7 (9...Be6 10.Nc3+=) 10.0-0 Qb6 (10...Qc7 11.Nc3+-) 11.Nc3+- Ne4?? (better 11...Be6+-) 12.Nd5+- Qd6 (12...Qd8 13.Be4 Bb5+-) 13.Be4 f5 (13...Bb5 14.Ba3 Qd7+-) 14.Ba3 Qe6 (14...Qa3 15.Ra3 fe4 16.Ne7 Kf7 17.Nd5+-) 15.Ng5 fe4 16.Ne6 Be6 1–0. Anonymous – Anonymous, lichess.org, 2020.

8.d4 d6 9.Bd3 Bg4 10.Nbd2 Bf3 (10...Qb6 11.0-0+=) 11.Nf3 Nbd7 12.0-0 a5 13.c4 b6 (13...Qc7 14.Bc3+=) 14.Ng5 e5 15.Qf3 ed4 16.ed4 Nh5 (16...d5!?+/-) 17.Nh7!+- Kh7 (17...Re8 18.Rae1+-) 18.Qh5 Kg8 19.Qf3 Nc5 20.dc5 Bb2 21.Ra2 Bd4 22.c6 Qf6 23.Qg4 Bc5 24.h4 (24.Be2 Rfe8+-) 24...Kg7+/- 25.h5 (25.Ra4+/-) 25...g5 (better 25...Rh8!? 26.hg6 Rh4+/-) 26.Bf5 Rfe8?? (better 26...Ra7+-) 27.c7 Re5 (27...Re6 28.Be6 fe6 29.Re1+-) 28.c8Q Rc8 29.Bc8 Kh6 30.g3 d5 31.cd5 Rd5 32.Kg2 Rd4 33.Qe2 g4 (33...Qe7 34.Qe7 Be7 35.g4+-) 34.Bg4 Qg5 35.f4 Rf4 (35...Qf6+-) 36.Rf4 Qd5 37.Bf3 Qd4 38.Rd4 Bd4 (38...Bb4 39.Qe5 Kh7 40.Be4 f5 41.Rd8 Bf8 42.Qf5 Kg7 43.Qf8) 39.Qd2 Kg7 (39...Kh7 40.Qd3 Kh6 41.Qd4 Kh7 42.Be4 Kg8 43.h6 f6 44.Qf6 a4 45.h7) 40.Qd4 Kh6 41.Qf6 Kh7 (41...Kh7 42.h6 a4 43.Qg7). WG_Anonymous – Anonymous, lichess.org, 2021.

8.Be2 d6 9.0-0 Ne4 (9...Qc7 10.c4=) 10.d4 e5 (10...Bf5!?+=) 11.de5+/- de5 12.Be5 Be5 13.Ne5 Nf6 (13...Re8 14.Qd8 Rd8 15.Bd3+/-) 14.Bc4 Qd1 15.Rd1 Ne4 (better 15...Bf5!?+-) 16.Nf7 Rf7? (16...Kg7 17.f3 Nc5+-) 17.Rd8 Kg7 18.Bf7 (18.Rc8?! Rd7 19.Bd3 Nd6+-) 18...Kf7 19.Rc8 Nd6 20.Rc7 Kf6 21.Rh7 Nb5 (21...Ke6 22.Nd2+-) 22.Rb7 Nc6 (22...Nd6 23.Rb6 Ke6 24.Nc3+-) 23.Rb6 Rc8 (23...Nba7 24.Raa6 Rd8 25.f4+-) 24.Raa6 Nba7 (24...Rd8 25.Rc6 Kg7 26.Kf1 Rd1 27.Ke2 Rb1 28.c4 Rb2 29.Kd3 Rb3 30.Kc2+-) 25.Ra7 Rd8 (25...Kg5 26.f4 Kh6+-) 26.Rc6 Kf5 27.Ra5 Kg4 (27...Rd5 28.Rd5 Ke4 29.Nc3) 28.Rc4 Rd4 29.Rd4 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.ab5 d6

8.Be2 a5 9.0-0=.

8.Be2 a6 9.0-0=.

8.Be2 Bd7 9.c4 (9.0-0 a6+=) 9...e6 (9...a6 10.0-0+=) 10.0-0+= d5 (10...a6 11.d4+=) 11.Qb3 (11.c5+/–) 11...Qe8 (11...a5!?+=) 12.Ba3+/– Ne4 (12...dc4!? 13.Bc4 Nd5 14.Bd5 ed5+-) 13.Nc3 (better is 13.d4+-) 13...Nd2?? (13...dc4 14.Bc4 Nc3 15.dc3 a6+-) 14.Nd2 Bc3 (14...Qc8 15.Bf8 Kf8 16.Ra3+-) 15.Qc3 dc4 16.Ne4 Bb5 (16...f5 17.Nd6 Qe7+-) 17.Nf6 Kg7 18.Ne8 Kg8 (18...Kh6 19.Bf8 Kg5 20.Qf6) 19.Qg7 1–0. DEFFM – GuestZNJJ, freechess.org, 2018.

8.Be2 e5 9.0-0 Nbd7 10.d4 Nd5 (10...Re8 11.de5 de5 12.Ne5 Ne5 13.Qd8 Rd8 14.Be5+=) 11.c4 N5b6 12.Nbd2 ed4 13.ed4 Nf6 14.Bd3 Nh5 15.g3 Be6 16.Re1 d5 (16...Re8!?+-) 17.c5+- Nc4 18.Bc3 Nd2 19.Qd2 Re8 20.Bb2 (20.Rac1 Nf6+-) 20...a6 (20...Nf6!?+-) 21.ba6+- ba6 22.Ra6 (22.Bc3 Nf6+-) 22...Ra6 23.Ba6 Bd7 (23...Nf6 24.Bd3 Ne4 25.Be4 de4 26.Re4 Bd5 27.Re8 Qe8+-) 24.Ne5 Be5 25.Re5 Re5 26.de5 Be6 (26...Bc6+-) 27.Qb4 Ng7 (27...Qd7 28.Bc3+-) 28.Qb6 Qe8 (28...Qe7 29.c6 Ne8 30.Be2+-) 29.c6 Nf5 (29...h5 30.c7+-) 30.c7 Ne7 (30...Qf8 31.Kg2+-) 31.Qd6 Kg7 32.Ba3 Nc8 (32...Ng8+-) 33.Qd8 Qd7 (33...Qh8 34.Bc8 Bc8 35.Be7 Kh6 36.Qh8 Ba6 37.Qf6 Bc8 38.Bf8 Kh5 39.Qh4) 34.Qf8 1–0. DEFFM – GuestGXQK, freechess.org, 2019.

8.Be2 Be6 9.0-0 a5 10.Ng5+=.

8.Be2 Be6 9.0-0 Nbd7 10.d4 Nb6 11.Nbd2 d5 12.Ne5 Nbd7 13.c4 dc4 14.Nec4 Nd5? (14...Nb6 15.Nb6 Qb6 16.Ba3+=) 15.Qb3 (better 15.e4!?+-) 15...N5b6 16.e4 Qc7 (16...Nc4 17.Nc4 Bc4 18.Qc4+=) 17.d5 Nc5 18.Qb4 Bd7 19.Bg7 Kg7 20.Rfc1 Rfc8 21.Ne3 Qd6 22.Rc2 f6 23.Rca2 a6 (23...Qe5 24.Qb1+-) 24.Ndc4 (24.ba6 ba6 25.Ndc4 Nc4 26.Nc4 Qc7+-) 24...Qc7 (24...Nc4!? 25.Nc4 Qc7 26.ba6 Ra6 27.Ra6 ba6+=) 25.ba6+- Nc4 26.ab7 (worse 26.Qc4 Ra6 27.Ra6 ba6+=) 26...Ra2 27.Ra2 Qb7 28.Qb7 (28.Qc4?! Na4 29.Ra4 Qb1 30.Bf1 Rc4 31.Rc4 Kf7=) 28...Nb7 29.Bc4 Nd6 30.Ra7 Be8 (30...Nc4 31.Rd7 Ra8 32.h4 (32.Re7?! Kf8 33.Rh7 Ra1 34.Nf1 Nd2=) 32...Ra1 33.Kh2 Ne3 34.fe3+-) 31.Bf1+- (31.Re7?! Kf8 32.Re6 Nc4 33.Rf6 Kg7=) 31...Kf8 32.f3 Rc3 33.Kf2 f5 34.ef5 gf5 35.g3 Kf7 36.Bh3 (36.h3 Kf6+-) 36...Kf6 37.Bf1 Bf7 (37...Kf7 38.Be2 Bb5+-) 38.Ra6+- Rb3 39.Be2 Ke5 40.Ra7 Kf6 41.h4 h5 42.Ra6 Ke5 43.Ra7 Kf6 44.Ra6 Ke5 45.f4 Kd4 46.Ra4 Kc5 47.Bf3 Rb2 48.Ke1 Rb3 49.Kd2 Rb2 50.Kd3 (50.Kc3 Rf2 51.Bh1 e6 52.de6 Be6+-) 50...Rf2 (better 50...Rb3!? 51.Ke2 Rb2 52.Kd1 Rb3=) 51.Bh1+- Be8 (51...e6!?+-) 52.Ra7+- Bb5 53.Kc3 Re2 54.Rc7 Kb6 55.Re7 Kc5 (55...Ne4 56.Re4 fe4 57.Kd4+-) 56.Bf3 Rf2 57.Bh1?? (57.Bh5 Ne4 58.Re4 fe4 59.f5+-) 57...Re2= 58.Bf3 Rf2 59.Bh5 Ne4 60.Re4! fe4 61.f5 Bd7 62.Bg4 (62.d6 Kd6 63.Bg4 Kc5=) 62...Ra2 63.h5 (63.Bd1 Ra3 64.Kd2 Rd3 65.Ke2 Kd4 66.Nc2 Kc3+-) 63...Ra3+= 64.Kd2 Rd3 65.Ke2 Kd4 66.Nc2 Kc3 67.Ne3 (67.h6 Kc2 68.h7 Rd2 69.Ke3 Rh2+-) 67...Kd4= 68.Nc2 Ke5 (68...Kc3 69.h6 Rd2 70.Ke3 Rc2+=) 69.h6+- Rd5 70.h7 Bb5 71.Kf2 Rd8 72.f6 (72.Bh5 Rh8 73.Bg6 Be8=) 72...Kf6 (72...Bd3 73.Ne3=) 73.Nd4 Bc4 74.Bf5 Bf7 75.Ke3 Bg6 76.Bg6 Kg6 77.Ke4 Kh7 78.Ne6 Rg8 79.Kf4 Kg6 80.Ng5 Ra8 81.Ne4 Rf8 82.Kg4 Rf1 83.Nd2 Rf5 84.Ne4 Rf1 85.Nd2 Rf5 86.Ne4 Rf8 87.Nc5 Rd8 88.Kf4 Rf8 89.Kg4 Rg8 90.Ne4 Rg7 91.Nd2 ½–½. onur604 (2320) – MARIOGAJARDO (2130), lichess.org, 2020.

8.Be2 Be6 9.0-0 Nbd7 10.Nd4 Nc5 11.Ne6 fe6 (11...Ne6!? 12.d4 a5+=) 12.d4+- Nce4 13.c4 d5 (13...Qb6 14.f3 Ng5 15.Nc3+-) 14.f3 Nd6 15.c5 Nf5 16.Qd3 Bh6 (16...Nd7 17.c6 bc6 18.bc6+=) 17.f4 Ne4 (17...g5 18.Nc3+-) 18.g4 Nh4 19.Nc3 Nc3 20.Bc3 g5 21.Ba5 b6 22.fg5 (22.Be1 Ng6 23.f5 ef5 24.gf5 Nh4+-) 22...Rf1 (22...Bg5 23.Bc3+-) 23.Rf1 Bg5 24.Be1 Qc7 (better 24...bc5 25.dc5 Ng6+-) 25.Bg3 Qc8 26.Bd1 (26.c6 a6 27.Bh4 Bh4+-) 26...bc5 (26...Ng6 27.c6 a6 28.Ba4+-) 27.dc5 Qc5 28.Bh4 Bh4?? (28...Qe3 29.Qe3 Be3 30.Kg2 Rb8+-) 29.Bc2 Bf6 (29...Qc2 30.Qc2 Bf6+-) 30.Qh7 Kf8 31.Bg6 Qe3 32.Kh1 Qe4 33.Be4 de4 (33...Ke8 34.Qg8 Kd7 35.Qa8 Kd6 36.Qa7 Bg7 37.b6 de4 38.Qc7 Kd5 39.Rd1 Bd4 40.b7 e5 41.b8Q Ke6 42.Qe8 e3 43.Qcc6) 34.Qh8 (34.g5 a5 35.gf6 Ra7 36.f7 a4 37.Qh6) 34...Kf7 35.Qh5 Kg7 (35...Kf8 36.g5 a5 37.gf6 ef6 38.Qh8 Ke7 39.Qf6 Kd7 40.Qg7 Kd6 41.Qd4 Ke7 42.Qc5 Kd7 43.Rf7 Kd8 44.Qf8) 36.g5 Rg8 (36...Rd8 37.Qh6 Kf7 38.gf6 e5 39.fe7 Ke7 40.Qf6 Kd7 41.Rd1 Kc7 42.Qc6 Kb8 43.Rd8) 37.gf6 ef6 38.Rc1 (38.Rc1 f5 39.Qg5 Kf8 40.Rc8 Kf7 41.Rc7 Ke8 42.Qg8) 1–0. DEFFM – guno, freechess.org, 2019.

6.a4 d5

7.c4 Re8 8.Nc3 e6 (8...e5 9.cd5 e4 10.Nd4 Nd5 11.Nd5 Qd5 12.Rb1=+) 9.Qb3 (9.d4 c5=) 9...c5 10.cd5 ed5 11.d4 cd4 (11...c4!? 12.Qd1 Bf5=) 12.Nd4= Nbd7 13.Be2 Nc5 14.Qd1 Nfe4 15.Ne4 (15.0-0 Bf5+=) 15...de4= 16.0-0 h5 (16...Qg5 17.f4 ef3 18.Rf3=+) 17.Rc1 b6 (17...Qg5 18.h4 Qe7 19.Nc6 bc6 20.Bg7 cb5 21.Bd4=) 18.f3 Bb7 19.f4 Rc8 20.Qe1 (20.Rc3 Ne6 21.Rc8 Bc8 22.Ne6 Qd1 23.Rd1 Be6 24.Bg7 Kg7=) 20...Qe7 (20...Na4 21.Rc8 Qc8 22.Ba1=+) 21.Bc4 (21.Qg3!? Qf6 22.Ba1+=) 21...Nd3-/+ 22.Qc3? (22.Bd3 ed3 23.Rc8 Rc8 24.f5-/+) 22...Nb2?? (better 22...Rc4 23.Qc4 Nb2-+) 23.Qb2= Rc5 24.Qb3 Rec8 25.Rc2 Bd5 (better 25...Qd7!? 26.Rd1 h4=) 26.Bd5+/- Rc2?? (better 26...Bd4 27.Rc5 Bc5+/-) 27.Nc2+- Qc5 1-0. ClayPigeons (2210) - jere43 (2230), Rated Bullet game, lichess.org, 2019.

7.c4 Bf5 8.Nc3= Nbd7 (8...Ne4 9.d4=) 9.Be2 (9.bc6 bc6 10.Nd4 Qc7+=) 9...Nc5 (9...dc4 10.Bc4 Rc8 11.bc6 Rc6 12.Bb5=) 10.d4= Nce4 11.0-0 Nc3 12.Bc3 Ne4 13.Bb2 Rc8 14.Nh4 Be6 15.Qc2 cb5 (15...Bd7 16.c5=) 16.ab5+= g5 (16...Bf6 17.Nf3+=) 17.Nf3 Bf5 (17...g4!? 18.Ne1 Bd7 19.Ra7 Bb5+=) 18.Bd3+- (18.Ra7?! Ng3 19.Qd1 Ne2 20.Qe2 Rc4=) 18...e6 19.Ra7 Nd6 (19...g4!? 20.Ne1 Qb6+-) 20.Bf5+- Nf5 21.c5 (21.Rb7?! Nd6 22.Ra7 Nc4+=) 21...g4 22.Ne1 (22.Nd2 b6 23.c6 Ra8 24.Ra8 Qa8+-) 22...Qc7 (22...b6 23.Nd3+-) 23.b6 Qc6 24.Qe2 h5 (24...Ra8 25.Ra8 Ra8 26.Qg4+-) 25.Nd3 e5 (25...Bf6 26.Rfa1+-) 26.de5 (26.Ne5?! Be5 27.de5 Qc5 28.Rb7 Qc6+-) 26...Rfe8 (26...Ne7 27.Bd4 Qd7 28.e6 fe6 29.Bg7 Kg7 30.Ne5+-) 27.Nf4 (27.Rfa1!? f6 28.ef6 Bf6 29.Bf6 Qf6+-) 27...Qc5 28.Nh5 Be5 (28...Qb6 29.Ng7 Ng7+-) 29.Qg4 Ng7 (29...Kh8 30.Qf5 Bb2 31.Rb7 Qc2 32.Qc2 Rc2+-) 30.Be5 (30.Be5 Kf8 31.Rb7 Rc7 32.Bg7 Ke7 33.Bf6 Kd6 34.Rc7 Qc7 35.Qf4 Re5 36.Qe5 Kd7 37.Qc7 Ke6 38.g4 d4 39.Qc6) 1–0. onur604 (2320) – Impossible_Hacks (2065), lichess.org, 2020.

7.Be2 a6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 Bd7 11.Nc3 Re8 12.d4 Bf5 13.Qb1 Nbd7 14.h3 Ne4 (14...Qc7 15.Nh4=) 15.bc6 bc6 16.g4 Nc3 17.Bc3 Be4 18.Nd2 e5 19.Ne4 de4 20.Qb7 ed4 21.Bd4 Bd4 22.ed4 Nf6 23.Qc6 Re6 24.Qc3 1-0. DEFFM – GuestJSVT, freechess.org, 2021.

7.Be2 c5 8.c4 b6 9.0-0 e6 10.a5 Bb7 (better 10...ba5!? 11.Qa4 Nbd7=) 11.a6+- Bc8 12.d4 dc4 (12...Nbd7 13.Nc3+=) 13.Bc4+- Ne4 14.Nbd2 Nd2 (14...Nd6 15.dc5 Bb2 16.cd6 Qd6 17.Ra2+-) 15.Nd2 (15.Qd2 cd4 16.ed4 Nd7+-) 15...Nd7 (15...cd4 16.Qf3 de3 17.Bg7 Kg7 18.Qa8 Na6 19.ba6 (19.Ra6?! Ba6 20.Qd8 Rd8+=; 19.Qa7 Nc5 20.Nf3 ef2 21.Rf2 Bb7+-) 19...ed2 20.Qa7+-) 16.Qb3 cd4 17.ed4 Nf6 18.Rfe1 Nd5 19.Nf3 Nc7 Exerts pressure on the isolated pawn (19...f6!?+-) 20.Ne5 Be5 (20...Qg5 21.Rac1+-) 21.Re5 (better 21.de5 Qg5 22.Rad1+-) 21...Ne8? (better 21...f6 22.Ree1 Nd5+-) 22.d5+- Nd6 (22...Ng7+-) 23.de6 Nc4 (23...Be6 24.Be6 Rc8 25.Bc8 Qc8 26.Rc1+-) 24.e7 Qd6 (24...Ne5 A) 25.ef8R?! Kf8 26.Be5 Be6+=; B) 25.ef8Q?! Kf8 26.Be5 Be6+=; C) 25.ef8N Qd3 26.Qb4 Nc4=+; D) 25.ef8B?! Be6 26.Qc3 f6= (worse 26...Kf8 27.Qe5 Qd5 28.Qg7 Ke7 29.Qh7+-; 26...Qf8?? 27.Qe5 f6 28.Qe6 Qf7 29.Qd6+-); E) 25.ed8Q Rd8 26.Be5+-) 25.ef8Q (better 25.ef8R Kf8 26.Qc4 Be6+-) 25...Kf8 (25...Qf8 26.Qc4 Bf5 27.Rf5 gf5+-) 26.Qc4 Be6 27.Qh4 Rd8 (27...Kg8 28.Qf6 Qd8 29.Re6 Qf6 30.Rf6 Rd8+-) 28.Ba3 Qa3 29.Qd8 (29.Ra3?? Rd1 30.Re1 Re1) 29...Kg7 30.Ra3 (30.Ra3 Bg4 31.Qd4 Kf8 32.Qg4 h5 33.Qd4 f6 34.Qd7 fe5 35.Rc3 e4 36.Rc8) 1–0. DEFFM – GuestXZFK, freechess.org, 2019.

7.Be2 Ne4 8.d4 (8.Bg7 Kg7 9.0-0 Qd6=) 8...Nd7 9.Nbd2 Ndf6 10.c4 Be6 11.0-0 dc4 (11...Qa5 12.Qe1 Qc7 13.Rc1=) 12.Nc4 Bd5 (12...Qc7 13.Rc1=) 13.Qc2 1-0. DEFFM – GuestLCRY, freechess.org, 2021.

5.Nf3 d5

6.a4 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 b6 11.d4 Re8 (11...cb5 12.cb5 Qd6 13.Bd3=) 12.Nc3 Bb7 13.0-0 Nbd7 14.bc6 Bc6 15.Ne5 Ne5 (15...Bb7!?+=) 16.de5+/- Ne4 17.Nd5 e6 18.Nf6! Nf6 (18...Nf6 19.Qd8 Decoy; 18...Bf6 19.ef6 Decoy) 19.Qd8 (worse 19.ef6 Bf6 20.Qd8 Bd8+=) 19...Rd8 20.ef6 Bf8 21.Bd4 Bc5 22.Rb1 Bd4 (22...h6 23.Bc5 bc5 24.Rb6+/-) 23.ed4+- Rd4?? (better 23...Rb8+-) 24.Rb6 Be8 25.Rb8 Kf8 26.c5 Rf4 (26...Rd5 27.c6 Rc5+-) 27.c6 Rf6 (27...Ra4 28.c7 Ra1 29.Bf1 Rc1+-) 28.c7 e5 29.c8Q Ra6 30.Qe8 (30.Qe8 Kg7 31.Qh8 Kh6 32.h4 g5 33.Ba6 Kg6 34.Rb6 Kf5 35.Qh7 Kf4 36.Rb4 e4 37.Qe4) 1-0. PEREIRA – Kioro, internet, 2022.

6.a4 a6 7.c4 ab5 8.cb5 c6 9.Na3 Bd7 10.Be2 Re8 11.0-0 Ne4 12.Bg7 Kg7 13.Qc2 e5 14.d3 Nd6 15.h3 cb5 16.Nb5 Nb5 17.ab5 Ra1 18.Ra1 Bb5 19.Rb1 Bc6 20.d4 f6 21.de5 fe5 22.Bb5 Re7 23.Bc6 bc6 24.Qb2 Nd7 25.Ng5 Nc5 26.f4 Qd6 27.Nf3 Rb7 28.Qb7 Nb7 29.Rb7 Kh6 30.Ne5 g5 31.Nf7 Kg6 32.Nd6 gf4 33.ef4 c5 34.Rb5 c4 35.Rd5 c3 36.Rc5 Kf6 37.Ne4 Kg6 38.Rc3 Kf5 39.Nd6 Kf4 40.Rc5 Kg3 41.Rh5 Kf4 42.Rh7 Kg3 43.Ne4 Kf4 44.Rh4 Kf5 45.Nf2 Kg5 46.Ra4 Kh5 47.h4 Kg6 48.g4 Kh6 49.Kg2 Kg6 50.Ra6 Kg7 51.Kg3 Kf7 52.h5 Kg7 53.g5 Kf7 54.h6 Kg8 55.Kg4 Kh7 56.Kh5 Kg8 57.g6 Kf8 58.h7 Kg7 59.Ra7 Kh8 60.Ra8 Kg7 61.h8Q 1–0. Abdullaevich (1905) – strateg87 (1985), lichess.org, 2020.

6.a4 a6 7.c4 Nbd7 8.cd5 Nd5 9.Bg7 Kg7 10.Be2 N7f6 11.Nc3 Nc3 12.dc3 Ne4 13.c4 Qd6 14.0-0 Qf6 15.Nd4 c5 16.bc6 bc6 17.Bf3 Ng5 18.Bc6 Rb8 19.g3 e5 20.h4 ed4 21.hg5 Qc6 22.Qd4 Kg8 23.a5 Bb7 24.f3 Rbd8 25.Qc3 Rd7 26.e4 Rfd8 27.Rac1 Rd3 28.Qe5 Re8 29.Qf4 Qc5 30.Kg2 Qa3 31.c5 Qb2 32.Rf2 Qd4 33.c6 Bc8 34.g4 Rc3 35.Rd2 Qc5 36.Rc3 Qc3 37.Qd6 Bg4 38.fg4 Qa5 39.c7 Rc8 40.Qd8 Rd8 41.cd8Q Qd8 42.Rd8 Kg7 43.Ra8 h6 44.gh6 Kh6 45.Kg3 Kg5 46.Kf3 f5 47.ef5 gf5 48.gf5 Kf5 49.Ra6 Ke5 50.Ra5 Kd4 51.Rf5 Kc3 52.Rf4 1–0. Abdullaevich (1825) – Ghost_S6 (1630), lichess.org, 2020.

6.a4 c5 7.c4 b6 8.Be2 Bb7 9.0-0 Nbd7 10.d4 Rc8 11.Nbd2 cd4 12.ed4 dc4 13.Rc1 c3 14.Bc3 Nd5 15.Bb2 e6 16.Rc8 Qc8 17.Ne4 Qc7 18.Ba3 Rd8 19.Bd6 Qc8 20.Qb1 N7f6 21.Rc1 Qd7 22.Nf6 Bf6 23.Be5 Rc8 24.Qb2 Be7 25.Bc4 Nf6 26.Be2 Ng4 27.Bf4 Rc1 28.Qc1 Nf6 29.Be5 Ng4 30.Bf4 Nf6 31.Be3 Nd5 32.Ne5 Qd6 33.Nc6 Ne3 34.fe3 Bg5 35.Bf3 Bc6 36.bc6 (worse 36.Bc6 Qb4=+) 36...Bd8 37.Qc3 Bc7 38.g3 h5 39.e4 f6 40.d5 Kf7 41.Qd2 Kg7 42.Bd1 Qe5 43.Bf3 Qd6 44.Qe2 a5 45.Kf1 Qe5 46.Qd2 ed5 47.ed5 h4 (47...Bd6 48.Kg2+/-) 48.gh4 Qh2 49.Qh2 Bh2 50.Ke2 Kf8 51.Kd3 Ke7 52.h5 gh5 53.Bh5 Kd6 54.Kc4 Bg1 (54...f5 55.Bg6 f4 56.Bh5+/-) 55.Bg4 Kc7 56.Kd3 (56.Bf5 Be3+-) 56...Kd6 (56...b5 57.ab5 a4 58.Be6+=) 57.Ke4 Bh2 58.Kd4 Bg1 59.Kc4 Bh2 (59...Kc7 60.Kb5 Bd4+/-) 60.Be6 Bg1 61.Bf5 ½-½. onur604 (2320) - SHER1FF (2230), Casual Rapid game, lichess.org, 2021.

6.a4 c5 7.c4 e6 8.Be2 b6 9.0-0 Bb7 10.h3 Nbd7 11.d4 Ne4 12.Qc2 Rc8 13.dc5 Rc5 14.Bg7 Kg7 15.Qb2 Ndf6 16.cd5 Bd5 17.Rd1 Kg8 18.Nd4 Ne8 19.Nc6 Qc7 20.f3 Ng3 21.Rd5 Ne2 22.Qe2 Rd5 23.Nc3 Rc5 24.Ne4 Nd6 25.Nc5 bc5 26.Rc1 c4 27.e4 a6 28.e5 Nf5 29.Qc4 ab5 30.ab5 Rc8 31.Qc5 Kg7 32.g4 Ne7 33.Kg2 Nd5 34.Qd4 Qb7 35.Rb1 Rc6 36.bc6 Qb1 37.Qc4 Ne3 0–1. Abdullaevich (1800) – shriram4 (1815), lichess.org, 2019.

6.a4 c5 7.c4 e6 8.Be2 Nbd7 9.d4 dc4 10.0-0 cd4 11.ed4 Nb6 12.a5 Nbd5 13.Bc4 Bd7 14.Ne5 Qe8 (14...a6!? 15.ba6 ba6=) 15.Qb3+= (worse 15.Nd7 Qd7 (15...Nd7? 16.Bd5 ed5 17.Ba3+-) 16.Qf3 Rfc8=+) 15...Rc8 16.Ba3 Nc7? (better 16...Ne7+/-) 17.Bf8 Bf8 18.Nc3 Bd6 19.b6 ab6 20.Qb6 Bc6 21.Nc6 Qc6 (21...bc6 22.Rfb1+-) 22.Qc6 bc6 23.a6 Ra8 24.a7 Nfd5 (24...e5 25.Ne2+-) 25.Ne4 Be7 26.Rfb1 1-0. onur604 (2320) - Karpov_61 (2110), Casual Rapid game, lichess.org, 2021.

6.a4 c6 7.Be2 a6 8.d4 Ne4 (8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bc3=+) 9.Nbd2= f5 (9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Ne4 de4 13.Nd2=) 10.0-0 Nd7 (10...ab5 11.ab5 Ra1 12.Qa1 cb5 13.Bb5+=) 11.c4+= e6 (11...ab5 12.ab5 Ra1 13.Qa1 cb5 14.cd5 Nd2 15.Nd2+=) 12.Qb3 Re8 (12...f4 13.Ne4 de4 14.Nd2 ab5 15.cb5+/-) 13.Ne4 fe4 14.Nd2 Nf6 15.f3 ef3 16.Bf3 Bd7 17.e4 (better 17.b6!?+/-) 17...de4 18.Ne4 Ne4 19.Be4 cb5 (19...ab5 20.ab5 Ra1 21.Ra1 cb5 22.cb5= (worse 22.Bb7 Qb6 23.Ba6 Bd4 24.Kh1 Ra8 25.cb5 Bb2 26.Qb2 Bb5 27.Bb5 Ra1 28.Qa1 Qb5-/+)) 20.ab5+= ab5 21.Ra8 Qa8 22.cb5 Qa5 23.Bd3 Qb6 Attacks the isolani on d4 (23...Qd2 24.Kh1=) 24.Rf4 Rf8 25.Re4 Rf5 The pressure on the isolated pawn grows 26.Bc4 Rf6 (26...Kh8 27.Qb4+=) 27.g3 (27.Ba3 Rf7+=) 27...Kh8 28.Kg2 h6 29.Bc1 Kh7 30.Be3 Qd6 31.Bf4 Qe7 32.d5 e5 33.Re5 (33.Be5 Rf5 34.d6 Qe8 35.Bg8 Qg8 36.Qg8 Kg8 37.Bg7 Kg7-+) 33...Qc5 34.Bd3 Rf7 (34...Rd6 35.Re7 Rd5 36.Bg6 Kh8 37.Be4 Qe7 38.Qd5 (worse 38.Bd5 Qe2 39.Kg1 Bd4 40.Be3 Be3 41.Qe3 Qe3 42.Kf1 Bb5 43.Bc4 Bc4 44.Kg2 Qe2 45.Kh3 Be6 46.g4 Qg4) 38...Bb5 39.Qb7 (39.Qb5?! Qe4 40.Kh3 Qc6 41.Qc6 bc6=) 39...Qb7 40.Bb7+/-) 35.Be3 (35.d6 Qd6 36.Rg5 Qf8 (36...Rf4? 37.Rg6 Qb4 38.Rg4 Kh8 39.Qb4 Rb4 40.Rb4+-) 37.Bg6 Kh8+/-) 35...Qd6 36.Re4 Bf5 (36...Rf5 37.Bc4+/-) 37.Rf4 Be5 (37...Bd3 38.Rf7 Be4 39.Kg1 Bd5 40.Qd3+-) 38.Bf5+- gf5 39.Rh4 Rf6 (39...Bg7 40.Qd3+-) 40.Qd3 Kg7 41.Bc1 f4 (41...Qc7 42.Bf4+-) 42.gf4 (42.Bf4 Bf4 43.Rf4 Rf4 44.gf4 Qf4 45.Qg3 Qg3 46.Kg3 Kf6+-) 42...Rg6 (42...Ba1 43.Rg4 Kh8 44.Kg3+-) 43.Kh3 (better 43.Kf3 Qc7 44.Be3+- (44.fe5?! Qc1 45.Rh3 Rg5+-)) 43...Bf4?? (better 43...Qd7 44.f5 Rd6+-) 44.Rf4 Qd7 45.Qf5 Qe7 (45...Qf5 46.Rf5 Rb6+-) 46.Bb2 Kh7 47.Rg4 Qe8 (47...Qe3 48.Kh4 Qf2 49.Qf2 Rg4 50.Kg4 h5 51.Kh5 Kg8 52.Kg6 b6 53.Qf7) 48.Rg6 (48.Re4 Qh8 49.Re7 Qg7 50.Rg7 Kh8 51.Qc8) 48...Qg6+- 49.Qd7 Kg8 50.Qc8 Kf7 51.Qb7 Kg8 (51...Kf8 52.Bg7! Kg8 53.Qc8 Kg7 54.Qg4 Qg4 55.Kg4+-) 52.Qc8 Kf7 53.Qd7 Kg8 54.Qd8 (better 54.Qe6 Kh7 55.Qg6 Kg6+-) 54...Kf7 55.Qd7 Kg8 56.Qe6 Qe6 57.de6 Kf8 (57...h5 58.b6 Kh7 59.e7 Kg6 60.e8Q Kf5 61.Qe5 Kg6 62.Qf6 Kh7 63.Qg7) 58.Bf6 Ke8 (58...Kg8 59.b6 Kh7 60.e7 Kg6 61.e8Q Kf6 62.b7 Kg7 63.b8Q h5 64.Qbe5 Kh6 65.Q8h5) 59.b6 Kf8 60.b7 Kg8 61.b8Q Kh7 62.Qg3 h5 63.Qg7 1-0. wgr069 (2165) - Winnie54321 (2310), Bobby Fischer Cup Blitz, lichess.org, 2021.

6.Nc3 Qd6=+.

6.c4 dc4 7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c5 11.0-0 b6 12.d4 cd4 13.Bd4 Bb7 14.Nbd2 Nbd7 15.Qa1 Qc7 (15...e6 16.Rc1+=) 16.Qb2 (16.Rc1 Nc5+=) 16...e6 17.Rc1 Rc8 18.Ng5 (18.Rc2 Qd8+=) 18...Qb8 (18...Qd6 19.f3=) 19.Ne6 fe6?? (better 19...Rc4 20.Nc4 fe6 21.Nb6 Ng4+=) 20.Be6+- Kf8 21.Rc8 Bc8 22.Bd7 Bd7 23.Bf6 Bf6 24.Qf6 Kg8 25.Ne4 Qf8? (25...Qc7 26.Qb2 h6 27.f3+-) 26.Qb6 (26.h3 Bf5 27.Qb6 Be4 28.Qe6 Qf7 29.Qe4 Qb3 30.Qe8 Kg7 31.Qe7 Kg8 32.Qd8 Kg7+-) 26...Qe7 (26...Qa8 27.Nf6 Kf7 28.Qd4 Bb5 29.Nh7+-) 27.Nd6 Qe6 28.Qb8 Kg7 29.Qc7 Kh6 30.h3 Qe7 1–0. onur604 (2320) – ateslisincap (2140), lichess.org, 2020.

6.c4 dc4 7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 Nc5 (11...Qe8 12.Qc1+=) 12.d4 (12.Bf6 Bf6 13.d4 Nd7+=) 12...Nce4 (12...Be6 13.Qc2 (worse is 13.dc5 Bc4 14.Re1 Qd1 15.Rd1 Bb5-/+) 13...Bc4 14.Qc4+=) 13.Qb3 (13.Qc2 Nd6+=) 13...Nd6 14.Bd3 Bd7 (14...Be6 15.Qc2=) 15.Nc3 Be6 (15...Bg4 16.Ne5+=) 16.d5 (16.Qc2 Bc4+=) 16...Bf5 (16...Bg4 17.Ne5+=) 17.Be2 (17.Bf5 gf5 18.Rc1 Re8+=) 17...Qd7 (17...Nde4 18.Rd1=) 18.Ne5 Qc8 (18...Qd8 19.Rd1=) 19.Nd3 (19.f3 Qa8+=) 19...Bd3 (19...Rd8 20.f3 Bd3 21.Bd3=) 20.Bd3+= Qg4 21.f3 (21.Rc1 Qg5=) 21...Qg5 22.f4 Qh4 ½–½. Oliveira Botran,Domingo – Dias de Godoy,Jurandir, BRA–chT Curitiba, 1984.

6.c4 dc4 7.Bc4 Bg4 8.0-0 Qd6 9.d4 Qb4 10.Qc2 Bf3 11.gf3 Rc8 (11...Qd6!?+=) 12.Ba3+/– Qa5 13.Be7 c6 (13...c5 14.Nd2 cd4 15.Bf7 Kf7 16.Qc8 Ke7 17.Qb7 Nbd7 18.Qa8 Qd2 19.Qa7+-) 14.Qb3 Nd5 15.Bd5 cd5 16.Na3 Re8 17.Bd6 Qd8 (better is 17...Rd8!? 18.Bf4 Nd7+/–) 18.Qd5+- Qd7 (18...a6 19.Nc4 Nd7 20.Bf4+-) 19.Nc4 a6? (19...Rd8+-) 20.Nb6 ab5 (20...Qe6 21.Qb7 Qd6 22.Na8 ab5+-) 21.Nd7 (21.Nd7 Nd7 22.Qb7+-) 1–0. DEFFM – GuestPJGD, freechess.org, 2018.

6.c4 dc4 7.Bc4 Bg4 8.0-0 Re8 9.Bf7 (9.d3 c5+=) 9...Kf7= 10.Ne5 Kg8 11.Ng4 Ng4 12.Bg7 Nf2? (better 12...Nh2!? 13.Kh2 Kg7=) 13.Rf2 (13.Qf3 Kg7 14.Qb7 Nh3 15.gh3 Nd7+-) 13...Kg7 14.Nc3 Qd3 (better 14...Nd7!?+-) 15.Qf3+- Qd6?? (better 15...Nd7 16.Qb7 Qd6+-) 16.Qf7 Kh6 17.Qe8 a6 18.Qf8 Kh5 19.g4! Kg5 (19...Kg4 Theme: Deflection from h6 20.Qh6) 20.Ne4 Kg4 21.Rf4 (21.Rf4 Qf4 22.Qf4 Kh5 23.Qg5) 1–0. DEFFM – GuestBGQH, freechess.org, 2020.

6.c4 c5 7.cd5 Nd5 8.Nc3 Nb4 (8...a6 9.Qc1=+) 9.d4 (9.Qb1!? Be6 10.a3=) 9...cd4=+ 10.ed4? (better 10.Nd4!? e5 11.Nf3=+) 10...Bf5-+ 11.Rc1 e6?? (better 11...Bh6 12.Be2 Bc1 13.Bc1 Qc7-+) 12.a3= Nd5 13.Nd5 (13.Bd3 Bh6 14.Rc2 Qd6=) 13...Qd5=+ 14.Bc4 Qd6 (14...Qe4 15.Be2 Nd7 16.0-0=+) 15.Qe2 Nd7 16.Kf1? (better 16.0-0!?=) 16...Rac8 17.g4? (better 17.h4!?-/+) 17...Bg4-+ 18.Kg2 (18.Rg1 Bh3 19.Ke1 Bh6-+) 18...Rfd8 (better 18...Nb6!? 19.Bb3-+) 19.h3 Bf5 20.Ne5? (20.Bb3-+) 20...Ne5 21.de5 Qd7 (21...Qd2 22.Qd2 Rd2 23.Bf1 Rc1 24.Bc1 Be4 25.Kg3 Be5 26.f4-+) 22.Kg3? (22.Rcd1 Qe7 23.Rd8 Rd8 24.Qe3-+) 22...Qe7 23.f4 (23.h4 Bh6 24.f4 Rc4 25.Qc4 Rd3 26.Kf2 Rd2 27.Kg3 Rb2-+) 23...Bh6 (better 23...Rc4 24.Qc4 Rd3 25.Qd3 Bd3 26.Rhd1-+) 24.Rhf1 (24.Qf2 g5 25.Kh2 gf4 26.Rhg1 Kh8-+) 24...g5 25.Rg1 Kh8 26.Kh2 gf4 (better 26...g4 27.Qf2 Qc5 28.Kg3 Qf2 29.Kf2 Bf4 30.hg4 Bc1 31.Bc1-+) 27.Qf3 (27.Qh5 Bg7 28.Be2 Rc1 29.Rc1 Qf8-+) 27...Rg8 (better 27...Qh4 28.Bf1 Rd2 29.Kh1-+) 28.Be2 Rc1 29.Bc1?? (29.Rg8 Kg8 30.Bc1 Qg5-+) 29...Rg6 (better 29...Rg1 30.Kg1 Qc5 31.Kh2 Qc1 32.Qb7 Qa3-+) 30.Bf4 Bg7 (better 30...Bf4!? 31.Qf4 Qa3 32.Rg3 Rg3 33.Qg3-+) 31.Rg6 (31.Qe3 Qh4-/+) 31...fg6 32.Qe3 (32.Qc3 Bf8-/+) 32...Qf7 (32...b6 33.Qc3-+) 33.Bg5 (33.Qa7!? Bd3 34.Qb8 Bf8 35.Bd3 Qf4 36.Kg2 Qd2 37.Kh1=+) 33...Qc7-/+ 34.Kg3? (better 34.Bf4!?-/+) 34...Qe5-+ 35.Bf4 Qe3 36.Be3 Be5 37.Kf3 Kg7 (37...b6 38.h4-+) 38.Bc4? (better 38.Ba7!? Bh3 39.Bb6-+) 38...Kf6 (better 38...b6 39.h4 Bf6-+) 39.Bg5?? (39.Ba7 Bh3 40.Bb6-+) 39...Kg5 40.Ke3 (40.Kg2 Kh4 41.Kf2 Bh3-+) 40...Kf6 (better 40...Bh3!? 41.Bb3-+) 41.Be6 (41.Bf1-+) 41…Bc3 (41...Bc3 42.Bd5 b6-+) 0-1. mordor1 (2230) - Lance5500 (2360), lichess.org, 2016. (=1.Nf3 Nf6 2.b4 g6 3.b5 Bg7 4.Bb2 0-0 5.e3 d5)

6.c4 e6 7.a4 Nbd7 8.Be2 Nc5 (8...c5 9.0-0=) 9.d4+= Nce4 10.Nbd2 Ng4 (better 10...dc4!? 11.Ne4 Ne4+=) 11.Ne4+- de4 12.Nd2 Nf2? (better 12...Nf6!?+-) 13.Kf2+- Qh4 (13...f5 14.Rf1+-) 14.g3 Qf6 15.Kg2 Bh6 (15...Qg5 16.Ne4 Qe3 17.Bf3+-) 16.Ne4 Qf5 (16...Qd8+-) 17.Qd3 (better 17.Qc2 e5 18.Bg4 Qg4 19.Nf6 Kg7 20.Ng4 Bg4+-) 17...Rd8 (17...g5 18.Rhf1 Qg6 19.Nf6 Kh8 20.Ba3 Qd3 21.Bd3+-) 18.Rhf1 Rd4 (18...Bg7+-) 19.Qd4 Be3 20.Qh8 (20.Qg7) 1–0. DEFFM – leero, freechess.org, 2020.

6.c4 e6 7.Nc3 c6 8.a4 a6 9.Be2 Re8 (9...c5 10.Qc2=) 10.0-0 Nbd7 11.d4 dc4 12.Bc4 Nb6 13.Bb3 ab5 14.ab5 Ra1 15.Qa1 Bd7 16.bc6 Bc6 17.Ne5 Nbd7 18.Nc6 bc6 19.Rd1 Qb6 20.Bc4 Rb8 21.Rb1 c5 22.Ba3 Qa7 23.Rb8 Qb8 24.Nb5 Ng4 25.g3 cd4 26.ed4 h5 (26...Ngf6 27.Qc3=) 27.h3 Nh6 28.Bd3 Nf5 29.Qc3 Bf6 30.g4 (30.Bf5 Qb5 31.Be4 Qa4=) 30...hg4 31.hg4 Nh4 32.Qc6 Qf4 33.Be2 Nf8 (33...Bd4 34.Nd4 (34.Qd7?? Qf2 35.Kh1 Qg2) 34...Qd4 35.Be7 Qa1 36.Kh2 Qe5 37.Kh3 Qe2 38.Qd7 Qf3 39.Kh4 Qf2 40.Kh3 Qf3 41.Kh2 Qf2 42.Kh1 Qf1 43.Kh2 Qf2 44.Kh3 Qf3 45.Kh4 Qf2 46.Kg5 Qe3 47.Kh4 Qf2=) 34.Bc1+= Qb8 35.Be3 Be7 36.d5 (36.Bd3 Nh7=) 36...ed5= 37.Qd5 Ne6 38.Qe4 Bg5 39.Nc3 Be3 40.Qe3 Qa8 41.Ne4 Qa1 42.Kh2 Qe5 43.Kg1 Nf4 44.Bc4 Kf8 45.Nc5 (45.Nc5 Qd4 46.Nd7 Qd7 47.Qf4=) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Bd3 a6 7.a4-/+.

6.Bd3 Ne4 7.Bg7 Kg7 8.0-0 (8.Nc3 Nc3 9.dc3=+) 8...Bf5 (8...Nd7!?=+) 9.Nd4= Bd7 (9...Nd7 10.Be4 de4 11.Nc3+=) 10.Be4+= de4 11.Nc3 f5 12.f4 c6 (12...a6 13.a4+=) 13.a4 (13.Rb1 c5 14.Nb3 b6+=) 13...Qc7 14.Qb1 (14.d3 cb5 15.Ncb5 Qc5+=) 14...e5 15.bc6 (15.fe5 c5 16.Nde2 Qe5=) 15...Nc6 (15...ed4? 16.cb7 Nc6 17.ba8Q Ra8 18.Nb5+-; 15...bc6?! 16.fe5 c5 17.Nb3=) 16.fe5 (better 16.Ndb5 Qa5 17.fe5 Ne5 18.Qb3=) 16...Qe5?? (better 16...Ne5 17.Qb4 Nc6=) 17.Qb7+- Rac8 (17...Rf7 18.Nc6 Bc6 19.Qc6 Rd8+-) 18.Qd7 (18.Qd7 Qe7 19.Ne6 Kh6 20.Qe7 Ne7 21.Ne4+-) 1–0. DEFFM – GuestMXZY, freechess.org, 2020.

6.d4 a6 7.a4+= A) 7...ab5 8.ab5 Ra1 9.Ba1 c6 10.Nbd2 Bf5 11.c4+=; B) 7...Bf5 8.Be2 (8.Bd3 Bd3 9.Qd3 c6 10.0-0 ab5 11.ab5=) 8...Ne4 9.Nbd2 c5 10.bc6 Nc6 11.c4=; C) 7...c6 8.Bd3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bc3+=.

6.d4 c6 7.a4 Re8 8.Bd3 Nbd7 9.0-0 Nb6 (9...e5!? 10.Be2 ed4 11.ed4 Qc7=+) 10.Nbd2= Bg4 (10...cb5 11.ab5 Bf5 12.h3=) 11.a5 Nc8 12.c4 (12.h3!? Bf3 13.Qf3+= (worse 13.gf3 Nd6=+)) 12...Nd6= 13.bc6 bc6 14.h3 Bh5 (14...Rb8!? 15.Ba3 Be6=) 15.Qc2 (15.g4 Ng4 16.hg4 Bg4+-) 15...Qd7 (15...Bf3!? 16.Nf3 Rb8+-) 16.Ne5+- Qc8 (16...Qe6!?+-) 17.c5+- Nf5 (17...Nb5 18.g4 Bg4 19.hg4 (19.Ng4?! Ng4 20.hg4 Qg4 21.Kh2 Qh4 22.Kg2 Qg4 23.Kh1 Qh3 24.Kg1 Qg4 25.Kh2 Qh4 26.Kg2 Qg4 27.Kh2=) 19...Ng4 20.Ra4+-) 18.Rfb1 (18.Rab1 Nd7+-) 18...Nd7 (18...Nh4 19.Qa4+-) 19.Nd7 Qd7 20.g4 Nh6 21.gh5 Qh3 22.hg6 Ng4 23.gh7 Kh8 24.Nf1 e5 (24...Bh6 25.Bc1 Rg8 26.hg8N Rg8+-) 25.Bf5 e4 26.Qe2 Qf3 (26...Re6 27.Bc3 Rh6+-) 27.Qf3 ef3 28.Bg4 Re4 (28...Kh7 29.Bd7 Red8 30.Bc6+-) 29.Bf3 (better 29.Bf5!? Rh4+-) 29...Rh4 30.Ng3 1–0. DEFFM – GuestFDBS, freechess.org, 2019.

6.d4 Nbd7 7.a4 Re8 8.Be2 a6 (8...c5 9.0-0=) 9.Nbd2 ab5 10.ab5 White is in command. 10...Ra1 11.Qa1 Ng4 12.c4 e5 (12...dc4!? 13.0-0 e5+=) 13.h3+- (13.cd5?! e4 14.Ne5 Nde5 15.de5 Ne5= (worse 15...Be5 16.Be5 Ne5 17.Ne4+=)) 13...Nh6 14.de5 dc4 15.Bc4 Qe7 16.e6 Bb2 17.ef7 Nf7 18.Qb2 Nde5 (18...Nb6 19.Bf7 Kf7 20.0-0+-) 19.Ne5+- Qe5 20.Qe5 Re5 21.Ke2 Bd7 (21...Kf8 22.f4 Re7 23.g4+-) 22.Rc1 Bb5 (22...Re7 23.Nf3+-) 23.Bb5 Rb5 24.Rc7 Rg5? (better 24...b6+-) 25.Rb7 Rg2 (25...Ra5 26.e4+-) 26.Nf3 Ng5 27.Kf1 Nf3 (27...Rg3 28.fg3 Nf3 29.Kf2+-) 28.Kg2 Ne1 29.Kf1 (better 29.Kg3+-) 29...Nd3 (29...Nf3 30.Rc7+-) 30.Ke2 (better 30.Rb5 Kg7+-) 30...Nc5 31.Ra7 Ne4 32.f4 Ng3 (32...h6 33.Re7 Ng3 34.Kf3+-) 33.Kf3 Nf5 34.e4 Nd4 35.Ke3 Nc6 (35...Nc2 36.Kd3 Ne1 37.Kd4 Ng2+-) 36.Rc7 Nb4 37.Kd4 Na6 (37...Na2 38.Rc2 Nb4 39.Rb2 Nc6 40.Kd5 Ne7 41.Kd6 Nf5 42.ef5+-) 38.Ra7 (38.Rb7 Kf8+-) 38...Nb4 39.Kc3 Nc6 40.Rc7 (40.Rc7 g5 41.Rc6 gf4 42.Rf6+-) 1–0. onur604 (2320) – mahir123 (2180), lichess.org, 2020.

6.d4 Nbd7 7.c4 c6 (7...Nb6 8.c5 Nbd7 9.Nc3 a6 10.ba6 b6 11.c6=; 7...c5= 8.bc6 bc6 9.cd5 cd5 10.Nc3 Rb8 11.Rb1=) 8.bc6 bc6 9.Nbd2 Rb8 10.Bc3 c5 11.dc5=.

6.d4 Nbd7 7.Bd3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nbd2 Re8 12.0-0 e5 (12...c5!?=) 13.de5+= Ng4 14.bc6 bc6 15.e6 Re6? (better 15...fe6 16.Bg7 Kg7+=) 16.Bg7+- Kg7 17.Nd4 (17.Nd4 Nde5 18.Ne6 Be6 19.Qa1+-) 1–0. onur604 (2320) – Escargot08300 (2410), lichess.org, 2020.

6.d4 Nbd7 7.Be2 Re8 (7...a6 8.a4 (8.ba6 b6 9.a7= Ra7 10.c4 dc4 11.Bc4=) 8...c5 9.dc5 Nc5 10.0-0 Bg4 11.Bd4=) 8.0-0 (8.c4 dc4 9.Bc4 Nb6 10.Bd3 Be6 11.Nbd2=) 8...Nb6 (8...a6 9.a4= c5 10.c4 cd4 11.Qd4=) 9.a4 Rb8 (9...Bg4 10.Nbd2= a6 11.a5+=; 9...a6 10.a5 Nbd7 11.c4=) 10.Nbd2 (10.a5 Nbd7+= 11.c4+=) 10...Na8 (10...Bg4 11.c4+=; 10...Bf5 11.a5+=) 11.c4 dc4 12.Bc4 Nb6 13.Bb3 Nbd5 (13...Bf5 14.Re1+/–) 14.Ne5 e6 (14...Bf5 15.Qf3 Bh6 16.Rfd1+/–) 15.Rc1 Nd7 16.Ndc4 Ne5 17.Ne5 f6 18.e4 (18.Nd3 a6+/–) 18...Nf4 (18...fe5 19.ed5 ed5 20.de5+=) 19.Nd3+/– Nd3 (19...Bh6 20.Rc2+/–) 20.Qd3 Kh8 (20...Bh6 21.Rc2+/–) 21.f4 (21.Qg3 Re7+/–) 21...e5 (21...a6 22.Ba3+/–) 22.fe5 Re5?? (better is 22...fe5 23.d5 c6+/–) 23.de5+- Qd3 24.ef6 Qb3 (24...Qe3 25.Kh1 h5 26.fg7 Kh7 27.g8Q Kh6 28.Qg7 Kg5 29.Bf6 Kg4 30.Qg6 Qg5 31.Qg5) 25.fg7 (25.fg7 Kg8 26.Rf8) 1–0. Kantor – Sliva, corr CSR–ch, 1980.

6.d4 e6 7.Bd3= b6 (7...a6 8.a4=) 8.Nbd2 Bb7 9.0-0 Qd7 (9...Nbd7!?=) 10.Ne5 Qe8 (10...Qc8!?+-) 11.Ba3 Ne4 (11...a6 12.Bf8 Qf8 13.a4+-) 12.Be4 (12.Bf8 Qf8 13.c4 Be5 14.de5 Nc5+-) 12...de4 13.Bf8 Qf8 14.Qg4 Be5 (14...a6 15.a4+- (15.Ne4 f5 16.Qg3 Be4-/+)) 15.de5 Qc5 (15...Qb4 16.Qf4 Nd7 17.f3+-) 16.Qf4 Qc2?? (better 16...Qb5 17.Ne4 Nd7 18.Nf6 Nf6 19.ef6 Qf5+-) 17.Rac1 Qd2 (17...Qd3 18.Rc7 Nd7 19.Nc4+-) 18.Rfd1 Qa2 (18...Qc1 19.Rc1 c5+-) 19.Rd8 Kg7 20.Qf7 Kf7 (20...Kh6 21.Rh8 Qf2 22.Kf2 Kh5 23.Rh7 Kg4 24.Qg6) 21.Rc7 Nd7 22.Rcd7 1–0. DEFFM – GuestSWCK, freechess.org, 2019.

6.d4 Bg4 7.Be2 c6 8.a4 Re8 9.0-0 Bf3 10.Bf3 Nbd7 11.c4 Rc8 12.Qb3 (12.a5 cb5 13.cd5 Qc7+=) 12...dc4 (12...e5 13.Rd1=) 13.Qc4 Nb6 (13...e5 14.Rd1=) 14.Qb3+= Nfd5 (14...Qd7!?+=) 15.a5+- Na8 (15...Nd7 16.a6 Rb8 17.Nc3+-) 16.Nd2 (16.Nc3 Nc3 17.bc6 bc6 18.Bc3 c5 19.dc5 Rc5+-) 16...e5 (16...Rb8 17.b6 ab6 18.ab6 Nab6 19.g3+=) 17.e4 (17.a6 Rb8 18.e4+=) 17...Ndc7+- 18.d5 (18.a6 ba6 19.bc6 Rb8+=) 18...cd5 (18...Nb5!? 19.Rfe1 Nd6=) 19.ed5+- b6 (better 19...Qd7!? 20.b6 ab6 21.ab6 Nb5+-) 20.Rfc1+- e4?? (20...Qd7 21.ab6 Nb6 22.Ra7 e4+-) 21.Ne4 Bb2 22.Qb2 Nd5 (22...Re4 23.Be4 Rb8+-) 23.Rc8 (23.Rc8 Qc8 24.Nd6+-) 1–0. DEFFM – GuestSTSR, freechess.org, 2019.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.0-0 cb5 11.Bb5 Bd7 12.c4 Bb5 13.cb5 Qa5 14.Qb3 Qa1 (better 14...Nbd7 15.Bf6 Nf6=) 15.Na3+/- Ne4? (better 15...Qf1 16.Kf1 Rc8+/-) 16.Ra1+- Ba1 17.Qd5 (17.Qd5 Nd6 18.Kf1+-) 1-0. DEFFM – Wifzt, freechess.org, 2021.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.c4 dc4 11.Bc4 Nb6 12.Be2 Bf5 13.0-0 Bd3 (13...Qd7 14.Be5=) 14.Bd4+= Be2 15.Qe2 Nbd5 16.Qc4 e6 17.Rc1 Ne4 (better 17...Qd7!?+=) 18.Bg7+- Kg7?? (better 18...Nd6 19.Qd4 Nf5+-) 19.Qe4+- (19.Qe4 Qf6 20.Nc3+-) 1–0. onur604 (2320) – irenminsk (2200), lichess.org, 2020.

6.Be2 Nbd7 7.0-0 Re8 8.c4 dc4 9.Bc4 Nb6 10.Be2 Bg4 11.h3 Bf5 12.d4 Ne4 13.a4 Nd5 14.Qb3 h5 15.Bc4 e6 16.Nbd2 g5 17.Ne4 Be4 18.Nd2 Bg6 19.Be2 f5 20.Bf3 (20.a5!?+/–) 20...g4+= 21.hg4 hg4 22.Bd5 ed5 23.g3 (23.Rac1 Bh6=) 23...Bf8 24.Ba3 Ba3 25.Qa3 Kg7 26.Kg2 Qd7 27.Qc5 a6 28.Rfc1 Re7 29.b6 c6 30.a5 Qe6 31.Qa3 (31.Rh1 Rh8+=) 31...Ree8 32.Kf1 Rh8 33.Ke2 Rh3 34.Rh1 Rah8 35.Rh3 Rh3 36.Rg1 Kf7 37.Kf1 (37.Nb3 Ke8=) 37...Ke8 38.Qc5 (38.Nb3 f4 39.Nc5 Qf5-/+) 38...Bh7 (38...f4 39.gf4 Bd3 40.Ke1 Re3 41.Kd1+=) 39.Qa3 Qh6 40.Qc5? (40.Ke2 Qf6=) 40...Kd7?? (40...f4 41.Qa3 Rh1 42.ef4 Qh3 43.Ke2 Rg1-/+) 41.Qa3 Rh2 42.Qb4? (better is 42.Ke2+=) 42...Qf6 (better is 42...f4 43.e4 f3–+) 43.Qa3 ½–½. Kleist,Werner – Janssen,Helmut (1840), Bad Sooden Allendorf Senior op, 2004.

6.Be2 Bg4 7.0-0 Bf3 8.Bf3 e6 9.c4 c6 10.a4 Ne4 (10...dc4 11.Na3=) 11.d4 cb5 12.cd5 ed5 13.ab5 Qd7 14.Qb3 Rd8 (14...Rc8 15.Nc3 Nc3 16.Bc3+-) 15.Nc3+/- Nc3 16.Bc3 a5?? (better 16...Qe6+/-) 17.Ra5+- Ra5 18.Ba5 (18.Ba5 Rc8 19.Qd5+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.c4 c6

7.a4 cb5 8.ab5 dc4 9.Bc4 a6 10.Nc3 Nbd7 11.0-0 Nb6 12.Be2 Bd7 (12...a5!?=) 13.ba6+= ba6 14.Ra6 Ra6 15.Ba6 Nfd5 (15...Bg4 16.Qb3+=) 16.Qb3 Nc3 17.Bc3 (17.dc3?! Qc7=) 17...Be6 18.Qa3 Qa8?? (better 18...Bc3 19.Qc3 Qd6+-) 19.Bg7+- Kg7 20.Qb2 Kg8 21.Qb6 Rb8 (21...Bd5 22.Be2+-) 22.Qc7 Bc8 (22...Bd5 23.Ne5+-) 23.Bc8 Rc8 24.Qe7 Rc6 (24...Re8 25.Qf6 Re6+-) 25.Ne5 Qb8 (25...Rb6 26.Nf7 h5+-) 26.Qf7 Kh8 27.Nc6 (27.Nc6 Qg8 28.Qf3 Qe6 29.Nd4 Qd6 30.Ra1 h6 31.Ra8 Kg7 32.Ne6 Qe6 33.Qf8 Kh7 34.Qh8) 1–0. DEFFM – GuestFZRX, freechess.org, 2019.

7.a4 Bg4 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Qa5 (11...Bf3 12.Bf3 dc4 13.Qa4=) 12.Bc3 Qc7 (12...Qa2 13.c5=) 13.h3 (13.bc6 bc6 14.Be5 Qb7=) 13...Bf5 (13...Bf3 14.Bf3 dc4 15.Qa4=) 14.Nd4 (14.bc6 bc6 15.Be5 Qc8=) 14...Bb1 15.Qb1 Nbd7 (15...e5 16.Nb3=) 16.Qb3 (16.Nf3 Ra8=) 16...Nc5 (16...e5 17.Nc2=) 17.Qa3 (17.Qc2 Ra8=) 17...Nce4 18.Ba5 b6 19.d3 ba5 (19...c5 A) 20.de4?! A1) worse is 20...ba5 21.Nc6 Ne4 22.cd5+/– (worse is 22.Qa5 Qa5 23.Na5 Nc3+=); A2) 20...cd4 21.Bb4 Ne4+=; B) 20.Nc6 Nd6 21.Bc3+=) 20.de4+/– Ne4 (20...c5 21.Nc6 Ne4 22.cd5+/–) 21.Nc6 dc4 (21...e6 22.Rc1+/–) 22.Bc4 (22.Qe7 Qe7 23.Ne7 Kh8 24.Bc4 Nd2+/–) 22...Nd2 (22...Nd6 23.Rc1+/– (23.Qa5 Qa5 24.Na5 Ra8-/+)) 23.Rc1 (worse is 23.Qe7 Qb6 24.Rc1 Nc4 25.Rc4 Qb5+/–; worse is 23.Ne7 Kh8 24.Bd3 Nf1 25.Bf1 a4+=) 23...e6 (23...Nc4 24.Rc4 Qd7 25.Rc1+/–) 24.Bd3+- (24.Na5?! Ra8 25.Be6 Qa5 26.Rc8 Rc8 27.Qa5 Rc1 28.Kh2 Nf1 29.Kg1 Ne3 30.Kh2 Nf1 31.Kh1 fe6 32.Qd8 Bf8=; 24.Qa5?! Qa5 25.Na5 Ra8+-) 24...Qb6? (better is 24...Qd7 25.Rd1 Nc4+-) 25.Rd1 (25.Qa5?! Qa5 26.Na5 Rb8+-) 25...Rc8 (25...Ne4 26.Be4 Qb5 27.Na5 Qe5+-) 26.Ne7 (26.Ne7 Kh8 27.Nc8+- (27.Rd2?! Rc3 28.Qa4 Qd6+-)) 1–0. GuestQWJK – GuestTMDV, freechess.org, 2018.

7.a4 Bg4 8.Be2 dc4 9.Bc4 (9.Na3 cb5 10.ab5 c3 11.Bc3 Nbd7=) 9...Nbd7=+ 10.d4 Ne4 (10...Nb6 11.Be2=+) 11.0-0 c5 12.Be2 (12.h3 Bf3 13.Qf3 Nd6=+) 12...cd4 13.ed4 (13.Nd4 Be2 14.Qe2 Nec5=) 13...Rc8 14.Re1 (14.Nbd2 Nc3 15.Bc3 Rc3-/+) 14...Qc7 (14...Nb6 15.Ne5 Be2 16.Qe2=+) 15.Bd3 (15.Nfd2 Be2 16.Qe2=+) 15...f5 (better 15...Nec5!? 16.Be2 Ne6-/+) 16.Qb3= Kh8 (16...e6 17.Qe6 Kh8 18.Be4+=) 17.Nbd2+= Qf4? (better 17...Ndf6 18.h3 Bf3 19.Nf3 Bh6+=) 18.Be4+- (18.Ne4?! Bf3 19.Ng3 Be4 20.Be4 fe4 21.Ne4 Nb6+-) 18...Bf3 (better 18...fe4 19.Re4 Qf5+-) 19.Bf3 (19.Nf3? fe4 20.Qe3 Qe3 21.Re3 ef3 22.Re7 Rfd8–+; worse 19.gf3 Qd2 (worse 19...fe4 20.Ne4 Qf3 21.Qf3 Rf3 22.Rac1=) 20.Bd3 e5-/+; 19.Qf3?! fe4 20.Qf4 Rf4+-) 19...Qd2 20.Re2 Qg5 21.Bb7 Rc7 22.Bc6 Nf6 23.Rae1 Ne4 24.Bc1 (24.Be4 fe4 25.Re4 h5+-) 24...Qh4 (24...Qf6 25.Rd1+-) 25.g3 Qh3 (25...Qf6 26.Be4 fe4+-) 26.Bf4 Rcc8 27.Qe6 (better 27.Bd7 Rcd8 28.Re4+-) 27...Bd4 (27...Nf6+-) 28.Be4 Qh5 (28...Bf6 29.Bd5 g5 30.Be5+-) 29.Be5 Be5 30.Qe5 Rf6 31.Qe7 Rcf8 32.Bc6 f4 (32...R8f7 33.Qd8 Kg7 34.Bd5+-) 33.Qa7 fg3 (33...Kg8 34.Qd4 g5 35.Bd5 Kg7 36.Re7 Kh6 37.Be4+-) 34.hg3 g5 35.Re8 Re8 (35...Qg6 36.R1e7 Qc2 37.Rf8 Rf8 38.Qd4 Rf6 39.Qf6 Kg8 40.Bd5) 36.Re8 Qe8 37.Be8 (37.Be8 Rd6 38.Qe7 h6 39.Qd6 g4 40.Qg6 h5 41.Bf7 h4 42.Qh6) 1–0. DEFFM – daddimonso, freechess.org, 2019.

7.a4 Bg4 8.Be2 e6 9.0-0 Nbd7 10.d4 a6 11.Nbd2 dc4 (11...ab5 12.ab5 Ra1 13.Qa1=) 12.Bc4 (worse 12.Nc4 ab5 13.ab5 Ra1 14.Qa1 cb5=) 12...Nb6 (12...ab5 13.ab5 Ra1 14.Qa1+=) 13.bc6 Nc4 (13...bc6 14.Bd3+-) 14.Nc4+- bc6 15.Nce5 (better 15.Ba3 Re8 16.Nce5+-) 15...Bf5? (better 15...Qd5+=) 16.Ba3+- Re8 17.Ng5 Ra7 (17...Qa5 18.Rc1 (18.Nef7 h6=+) 18...Qd5 19.f3+- (19.Ngf7?! Reb8+-; 19.Rc6?! Qa2 20.Qa1 Qa1 21.Ra1 Rec8+-)) 18.Nc6 (18.Nc6 Qb6 19.Na7 Qa7 20.Qe2+-) 1–0. DEFFM – pehee, freechess.org, 2019.

7.Nc3 Be6 8.Qb3 Nbd7 (8...dc4 9.Bc4 Bc4 10.Qc4=) 9.Nd4 Nc5 (9...dc4 10.Ne6 (10.Bc4? Bc4 11.Qc4 Ne5–+) 10...cb3 11.Nd8 Rfd8 12.bc6 bc6 13.ab3=+) 10.Qa3+= Nce4 (10...Qb6!?+=) 11.bc6+- bc6 (better 11...dc4!? 12.cb7 Rb8+-) 12.Nc6+- Qd7 13.Ne7 Kh8 14.cd5 Nd5 15.Ng6! fg6 (15...hg6 16.Ne4) 16.Ne4 (16.Ne4 Rab8 17.Bg7 Qg7 18.d4+-) 1–0. onur604 (2320) – kchurch4 (2150), lichess.org, 2020.

7.cd5 cb5 8.Bb5= Nd5 9.Bg7 Kg7 10.0-0 a6 (10...Be6 11.e4 Nf4 12.d4=) 11.Be2 Nc6 12.Qb3 Rb8 (12...Qd6 13.Nc3 Nc3 14.Qc3 f6 15.Rfc1=) 13.Nc3 Be6 (13...Nf6 14.Qb2=) 14.Ng5+= Nc7 (14...Na5 15.Qa3+=) 15.Qb2 (15.Ne6 Ne6 16.d4 b5+-) 15...Kg8 (15...Bf5 16.Rac1+=) 16.Ne6+- Ne6 17.d4 Na5 (17...Nc7 18.Rfc1+-) 18.Rac1 (18.Rfc1 b5+-) 18...b5 19.Ne4 (19.d5 Ng7+-) 19...Qd5 20.Nc5 Nc4 21.Qb4 Nc5 22.dc5 Ne5 23.Qc3 Nc6 (23...Qa2 24.Qe5 Qe2 25.c6+-) 24.Qa3 a5 25.Bf3 Qe6 26.Rfd1 Rfc8 27.Bc6 (27.h3 Ra8+=) 27...Qc6 28.Qa5 (28.Rd4 Ra8+=) 28...Ra8= 29.Qd2 (29.Qc3 Ra2 30.h3 Ra4=) 29...Ra4 30.Qe2 Qa6 31.Qd2 (31.Qd3 Ra2 32.h3 b4=) 31...Ra2 32.Qd7 Ra4 (better 32...Qe6!? 33.c6 b4=) 33.c6 (better 33.Qe7 Qc6 34.h4+-) 33...Rc4? (33...Kg7 34.c7 Qb7 35.Qe7 Rc4 36.Rc4 bc4 37.Qe5 Kh6+-) 34.Rc4+- bc4 35.c7 Kg7 36.Rc1 (36.Qe7 Qa5=+) 36...Qa3 (36...Qe6 37.Qd4 f6 38.Qc5+- (38.Rc4?! Qd6+=; 38.Qc4?! Qc4 39.Rc4 Kf7=)) 37.Qd4 f6 38.Qc4 (38.Rc4?! Qa5 39.Qc3 Qc3 40.Rc3 Kf7=) 38...h5 39.g3 Qd6 40.Kg2 h4 (40...e6 41.e4+-) 41.gh4 Qe5 (41...Qd7 42.h3 e6 43.Qc6+-) 42.Kg1 (better 42.Qd4 Qf5 43.Kg3+-) 42...g5? (42...Qf5+-) 43.hg5 Qg5 (43...Qf5 44.gf6 ef6+-) 44.Kh1 (44.Kh1 Rc7 45.Qc7 Qd5 46.Kg1+-) 1–0. Massudy (2475) – sg0802 (2200), lichess.org Rated Rapid game, 2020.

7.cd5 cd5 8.Nc3 Bg4 9.Be2 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.0-0 Nc5 (13...Qb6 14.h3 Bf3 15.Bf3=) 14.d4 Nce4 15.Ne4 Ne4 16.Ne5 (16.h3 Bf5=) 16...Be2 17.Qe2 Qd6 (17...Qa5 18.h3=+) 18.Nd3 Rc8 19.f3 Nc3 (19...Nf6 20.e4 Nd7 21.Kh1=) 20.Bc3 (20.Qc2 e5 21.Bc3 ed4+=) 20...Rc3= 21.Qb2?? (better 21.Ra1!?=) 21...Qa3 (better 21...Rd3 22.Re1 e5–+) 22.Qa3-/+ Ra3 23.Nc5 (23.Rd1!?-/+) 23...b6–+ 24.Nd7 Re3 25.Nb6?? (25.Rd1 Rb3 26.Nb6 Rb5–+) 25...Rb3 (better 25...Bd4 26.Kh1 Bb6–+) 26.Nd5 Bd4 27.Kh1 White gets the initiative 27...Rb5 (better 27...Kf8!?–+) 28.Ne7=+ Kg7 (28...Kf8 29.Nc6 Bc3 30.Rc1=+) 29.Nc6 Be3 30.h3 (30.Rd1 Rb2=+) 30...f5 31.Re1 f4 32.g3 Bf2 (32...Rb6 33.gf4 Bf4 34.Nd4=+) 33.Re7 Kf6 34.gf4 Rc5 35.Re2 Bg3 36.Nd4 Bf4 37.Ne6 Kf5?? (better 37...Rc4=+) 38.Nc5+- g5 (38...h6 39.Re7 g5 40.Re6+-) 39.Nd3 h5 (39...Bd6 40.Ra2+-) 40.Nf4 Kf4 41.Kg2 h4 42.Re4 (42.Rc2 Kf5+-) 42...Kf5 43.Rg4 Kf6 44.Kf2 Kf5 45.Ke3 Kf6 46.Ke4 Kg6 (46...Ke6+-) 47.Ke5 Kh5 (47...Kg7 48.Ke6 Kg6 49.f4 Kh6 50.Kf6 Kh5 51.Rg5 Kh6 52.Rg4 Kh5 53.f5 Kh6 54.Rh4) 48.Kf5 (48.Kf6 Kh6 49.f4 Kh5 50.Rg5 Kh6 51.Rg4 Kh5 52.f5 Kh6 53.Rh4) 48...Kh6 49.Rg5 Kh7 50.Kg4 (50.Kf6 Kh6 51.Rg4 Kh7 52.Rh4 Kg8 53.f4 Kf8 54.Rh8) 50...Kh6 51.f4 Kh7 52.Kh4 (52.f5 Kh6 53.f6 Kh7 54.f7 Kh6 55.f8Q Kh7 56.Qg7) 52...Kh6 (52...Kh8 53.f5 Kh7 54.f6 Kh8 55.Kh5 Kh7 56.f7 Kh8 57.f8Q Kh7 58.Rg7) 53.f5+- Kh7 54.f6 Kh6 55.Kg4 Kh7 56.h4 (56.f7 Kh6 57.f8Q Kh7 58.Qg7) 56...Kh6 57.h5 Kh7 58.f7 Kh6 59.Rg6 (59.f8Q Kh7 60.Qg7) 59...Kh7 60.f8N (60.h6 Kg6 61.f8Q Kh7 62.Qg7) 60...Kh8+- 61.Kf5 (61.Nd7 Kh7 62.Nf6 Kh8 63.Rg8) ½–½. aravind555 – Quiti, lichess.org, 2018.

6.Be2 c5

7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 b6 12.0-0 Bb7 13.d4 Ne4 14.Qc2 cd4 15.Nd4 e6 (15...Nd6 16.Be2=) 16.Nd2 Nd2 17.Qd2 Qg5 (17...e5 18.Nf3 Qd2 19.Nd2=) 18.f4 Qd8 (18...Qe7 19.Rd1=) 19.Qa2 (19.Rd1 Qd7+=) 19...Nd7 20.Ne6 fe6 21.Be6 Kh8 22.Rd1 Bc8 23.Qa7 Ba1 24.Rd7 (worse 24.Ra1 Qf6 25.Bd5 Qc3-/+) 24...Bd7 25.Qa1 Qf6 26.Qf6 Rf6 27.Bd7 Rd6 28.Bc6 Rd2 29.e4 Kg7 30.h4 Kf6 31.Kh2 h5 32.Kg3 Rd3 33.Kf2 Rd2 34.Ke3 Rc2 35.e5 Ke7 (35...Kf7 36.Bd5 Kg7 37.Bf3=) 36.Be4+= Rc3? (better 36...Rb2+=) 37.Kd4+- Rg3?? (better 37...Rb3 38.Bg6 Rb4 39.Ke3 Rb3 40.Ke4 Rb4 41.Kf5 Rb2+-) 38.Bf3 Ke6 39.Ke4 Kf7 40.Ke3 Ke6 41.Kf2 Rf3 (41...Rg5 42.hg5 Kf5 43.Ke3+-) 42.Kf3 Kf5 43.g4! hg4 44.Kg3 (44.Kg3 Ke6 45.Kg4+-) 1–0. DEFFM – GuestNGFV, freechess.org, 2019.

7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d3 (11.cd5 Nb6=) 11...dc4 12.dc4 Qa5 13.Bc3 Qa2 (13...Qb6 14.0-0=) 14.Nbd2 Nb6 15.0-0 (15.Qb3 Qb3 16.Nb3 Nbd7+=) 15...Bf5 (15...Na4 16.Be5+=) 16.Be5 (16.Qb3 Qb3 17.Nb3 Na4=) 16...Ra8 17.Qc1 Nfd7 (17...h6 18.Nh4=) 18.Bg7 Kg7 19.Re1 (19.Qc3 Kg8=) 19...Qc2 20.h3 (20.e4 Qc1 21.Rc1 Bg4=) 20...Ra2 (20...e5 21.Nh4=) 21.g4 Bd3 c4 seems the pivot of the position 22.Qc2 Bc2 (22...Rc2?? 23.Bd3 Ra2 24.Rd1+-) 23.Kg2 (23.e4 h6=) 23...f6 24.Kg3 Nc8 25.g5 Nd6 (25...e5 26.Rg1=+) 26.h4 (26.gf6 Kf6 27.Rc1 e5-/+) 26...e5 27.gf6 Kf6 Black fights for the Initiative 28.Rc1 e4 29.Ng5 h6 (29...Ke7!? 30.Nh7 Ba4-/+) 30.Rc2=+ Rc2 31.Nge4 The passed pawn on e3 will become decisive later 31...Ke6 32.Bd1 Nf5 33.Kf4 Rb2 34.Bg4 b6 35.h5 g5 36.Ng5 hg5 37.Kg5 Rd2 38.Bf5 Kf7 39.Bd7 (39.Bg6 Ke7 40.f4 Rg2 41.Kf5 Nf6–+) 39...Rd7 40.Kf5 (40.e4 Rd4 41.e5 Rc4–+) 40...Rd2 41.f4 Rh2 42.Kg4 (42.Kg5 Re2 43.h6 Re3–+) 42...Rc2 43.e4 Rc4 44.Kf5 (44.e5 Rb4–+) 44...Rc2 (44...Rb4 45.e5–+) 45.Ke5 Rh2 46.Kd5 (46.f5 Rh3 47.Kd5 Rd3 48.Kc4 Rd4 49.Kc3 Re4–+) 46...Rh5 (46...Rd2 47.Kc4–+) 47.e5 Ke7 48.Ke4 Ke6 (48...Ke6 49.Kd3 Kf5–+; 48...Rh3 49.Kd5 Rd3 50.Ke4–+) 0–1. onur604 (2320) – mastermind100 (2340), lichess.org, 2020.

7.c4 a6 8.a4 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Bd7 12.0-0 Bg4 13.h3 Bf5 14.d3 Qa5 (14...Qc8 15.Qb3+-) 15.Bc3 (15.Qb3 Ne8 16.Bg7 Kg7+-) 15...Qc7 (15...Qb6 16.Qb3 Be6 17.Nbd2+-) 16.Qb3 Nbd7 (16...Ne8 17.e4 Bc3 18.Nc3+- (18.ef5?! Bg7=)) 17.Ng5 (17.e4 Be4 18.de4 Ne4 19.Bg7 Kg7+-) 17...Nb6 18.Bf7 Kh8 19.e4 Bc8 (19...Bd7+-) 20.f4 (20.Nd2 Nh5 21.Ndf3 h6 22.Bg6 c4+-) 20...h6? (20...Nh5 21.Be6 h6 22.Nf7 Kh7 23.f5+=) 21.Be5 (21.Ne6 Be6 A) 22.Be6?! c4 23.Bc4 Ne4 24.de4 Qc5 25.Kh2 Qc4 (25...Nc4?? 26.Rc1+-) 26.Bg7 Kg7 27.Qb2 Rf6+-; B) 22.Qe6+-) 21...Qd8+- 22.Ne6 (22.Nf3 Nh5 23.Rf2 e6 24.Bg6 Nf4+-) 22...Be6 23.Qe6 Nbd7? (23...Qd3 24.Nc3 Nbd7+=) 24.Bc3+- White prepares the advance e5 24...c4 (24...Nb6 25.Bg6 Qd6 26.Qd6 ed6 27.Kh2+-) 25.e5 Nc5 (25...cd3 26.ef6 Bf6 27.Bf6 (27.Bg6?! Bc3 28.Nc3 Rf6+-) 27...Nf6 28.Bg6+-) 26.Qc4 Nfd7 (26...Rf7 27.ef6 (27.Qc5?! Nd5+-) 27...Rf6 28.Qc5+- (28.Bf6?! Bf6 29.Rf3 Qd7+-)) 27.e6 Bc3 (27...Qb6 28.ed7 Ne6 29.Kh2 Rf7 30.Qe6 Qe6 31.d8Q Kh7 32.Bg7 Rg7 33.Nc3+-) 28.Nc3 (28.ed7?! Bf6+-) 28...Rf7 (28...Ne6 29.Be6 Nf6 30.f5 gf5 31.Rf5 Qb6 32.d4+-) 29.ef7 Kg7 (29...b6 30.f5 gf5 31.d4+-) 30.d4 b6 (30...Nd3 31.Qd3 e6 32.Ne4+-) 31.dc5 Nc5 (31...bc5 32.f5 gf5 33.Rf5+-) 32.f5 Qd2 33.fg6 Qe3 (33...Qe2 34.f8Q Kg6 35.Qfg8 Kh5 36.Rf5) 34.Kh1 (34.Kh1 Qf3 35.Rf3 e5 36.f8Q Kg6 37.h4 e4 38.Qff7) 1–0. DEFFM – GuestCRDJ, freechess.org, 2019.

7.c4 b6 8.0-0 e6 9.d4 Nbd7 10.Nbd2 (10.cd5 ed5 11.Nc3 Re8=) 10...Bb7 11.a4 (11.cd5 Nd5 12.Nc4 Qc7=) 11...a5 12.Qb3 Rc8 13.Rac1 Ne4 14.Ne4 (14.cd5 Bd5 15.Qd3 f5=) 14...de4=+ 15.Nd2 cd4 16.ed4 (worse 16.Bd4 e5 17.Bb2 Nc5-/+) 16...Qg5 (16...e5 17.d5 f5 18.Qd1=+) 17.Qe3 (17.f4 Qd8=) 17...Qe3 (17...Bh6 18.Qg5 Bg5 19.Rc2=+) 18.fe3 f5 19.Nb3 Rfd8 (19...Bh6 20.Rc3=) 20.Kf2 e5 (20...Bf6 21.g4=) 21.d5 (21.Rfd1 f4 22.Bg4 fe3 23.Ke2+-) 21...Nc5 (21...Bf8!?=) 22.Nc5+- Rc5 23.Ba3 Rcc8 24.d6 f4? (better 24...Bf8+-) 25.Bg4+- Rb8? (25...Bh6+-) 26.Be6 Kh8 27.c5 (better 27.d7 Bf6+-) 27...fe3 (27...bc5 28.d7 Bf6 29.Bc5 h5+-) 28.Ke2 bc5 29.d7 Bf8 (29...Bd5 30.Bd5 Rd7+-) 30.Bc5 Bc5 31.Rc5 Kg7 (31...Ba8 32.Rf7+-) 32.Rf7 Kh6 33.Ke3 1–0. DEFFM – GuestMKQH, freechess.org, 2019.

7.c4 dc4 8.Bc4 Qa5 (8...a6 9.Nc3=+) 9.0-0 Bf5 10.Nh4 Bg4 11.Qb3 Nbd7 (11...a6 12.Bc3 Qb6 13.h3=) 12.f3 (12.h3 Bf5 13.Nc3+=) 12...Bh5 (better 12...Be6!? 13.Be6 fe6 14.Qe6 Rf7=) 13.g4+- g5 14.Nf5 (14.gh5?! gh4 15.h6 Bh6+=) 14...Bg6 15.Ne7 Kh8 16.d4 cd4 (16...Rae8 17.Nf5 Bf5 18.gf5+-) 17.Bd4+- Bb1 (better 17...h5+-) 18.Rab1 Qc7?! (18...Ne8 19.Qb2+-) 19.Nf5 (19.Bf7?! Ne5 20.Be5 Qe7 21.Bf6 Bf6+-) 19...Rac8 (19...Ne5 20.Be2 Rfd8 21.Rbc1+-) 20.Bf7 (better 20.Rbc1 Ne8 21.Bf7 (21.Ba7?! b6 22.Be6 Qc1 23.Bd7 Qc7 24.Bc8 Qa7+-; worse 21.Ng7 Ng7 22.Bf7 Qc1 23.Rc1 Rc1 24.Kg2 Rc7+-) 21...Qc1 22.Ng7 Ng7 23.Rc1 Rc1 24.Kg2+-) 20...Rf7 (20...Nc5 21.Bc5 Qc5+-) 21.Qf7 Rg8 (21...Nb6 22.Ne7 Nbd5 23.Rbc1 Qc1 24.Rc1 Rc1 25.Kg2 Rc2 26.Kh3+-) 22.Ng7 (22.Rfd1 Qc8 23.Ng7 Qf8 24.Qd7 Nd7 25.Ne8 Nf6 26.Bf6 Qf6 27.Nf6 Rg6 28.Nh5 Kg8 29.Rbc1 Rg7 30.Rd8 Kf7 31.Rc7 Ke6 32.Ng7 Ke5 33.Rf7 h5 34.Rf5) 22...Rg7 23.Bf6 Nf6 24.Qf6 b6 (24...Qe7 25.Qd4 Qd7+-) 25.Rbc1 Qd6 (25...Qb7 26.Rfd1 h6 27.Rd8 Kh7 28.Rcc8 Qc8 29.Rc8 a5 30.Qf5 Rg6 31.Rc7 Kh8 32.Qg6 h5 33.Qg7) 1–0. DEFFM – albann, freechess.org, 2019.

7.c4 e6 8.0-0 b6 9.a4 Bb7 10.a5 ba5 11.Bc3 (11.Qa4 Nbd7=) 11...Qe7 12.Ra5 Nbd7 13.Qa4 Nb6 14.Qa1 dc4 (14...Nc4 15.Bc4 dc4 16.Na3=) 15.Ne5= Nfd5? (15...Rfc8=) 16.Bb2?? (16.Nc6 Bc6 17.Bg7+- (worse 17.bc6 Bc3 18.Nc3 Rfc8=)) 16...c3 (16...Nb4!?-/+) 17.Nc3= Be5 18.Nd5 Bh2 19.Kh2 Qh4 (19...Bd5!? 20.Rc1 f6=) 20.Kg1+= Bd5 21.Bf6 (worse 21.Ra7 Ra7 22.Qa7 Nc4 23.Bc4 Bg2 24.Kg2 Qg4 25.Kh2 Qh4 26.Kg1 Qg4 27.Kh2 Qh4 28.Kg2 Qg4 29.Kh2=) 21...Qh6 22.Ra7 g5 (better 22...Nd7!? 23.Be7 Rfe8+/-) 23.Be7+- Rfe8 24.Bc5 Ra7?? (24...Nd7 25.d4 e5+-) 25.Qa7 Nc4 1-0. onur604 (2320) - Flarion (2270), Casual Rapid game, lichess.org, 2021.

7.c4 Be6 8.cd5 Nd5 (8...Bd5 9.Qc2=) 9.d4 (9.Bg7 Kg7 10.0-0 Nd7+=) 9...cd4 (9...Qa5 10.Qd2 Qd2 11.Nbd2= (worse 11.Nfd2 Nb4=+)) 10.Nd4 (10.Bd4 a6=) 10...Bd7 (10...Qd6 11.0-0=) 11.0-0+= Qb6 12.a4 e5 (12...Rd8 13.Bc4 Bf5 14.Qb3+-) 13.Nf3 e4 (13...Be6 14.a5 Qc7 15.Ng5+=) 14.Nd4 (14.Bg7 Ne3 15.a5 (15.fe3 ef3 16.Bh6 fe2 17.Qe2 f5+-) 15...Nd1 16.ab6 Kg7 A) 17.Bd1?! A1) worse 17...ef3 18.Ra7 (worse 18.ba7 Bb5 19.ab8B Rfb8 20.Ra8 Ra8+=) 18...Ra7 19.ba7+-; A2) 17...Bb5 18.ba7 Bf1 19.ab8Q Rfb8 20.Ra8 Ra8 21.Kf1 ef3 22.Bf3 Ra1=; B) 17.Rd1?! a5 18.Nfd2 f5+-; C) 17.ba7?! ef3 18.Bf3 Nb2 19.Bb7 Ra7 20.Ra7 Bb5+-; D) 17.Ng5+-) 14...f5?? (better 14...Re8+=) 15.Bc4+- Be6 (15...Bc6+-) 16.Ne6 Bb2 (16...Ne3 17.Ng7 Nc4 18.Qd5 Rf7 19.Qc4 Nd7+-) 17.Qd5 Kh8 (17...Rf6 18.Nc7 Kg7 19.Na8 Qd6 20.Qb7 Qd7 21.Qd7 Nd7+-) 18.Nf8 Ba1 (18...Kg7 19.Qf7 Kh6 20.Qh7 Kg5 21.h4 Kf6 22.Qf7 Ke5 23.Qe7 Qe6 24.Qe6) 19.Qg8 1–0. DEFFM – GuestDRGX, freechess.org, 2019.

6.Be2 c6

7.a4 a6 8.c4 ab5 9.ab5 Ra1 10.Ba1 cb5 11.cd5 (11.cb5 Bf5=) 11...Qd5 12.Nc3 Qd6 (12...Qh5 13.Nb5 Bg4 14.Qb3=) 13.Nb5 Qd7 (13...Qd5 14.Nc3 Qe6 15.d4=) 14.Ne5 (14.Be5 Nc6=) 14...Qd5 (14...Qe6 15.0-0+=) 15.0-0 Nc6 16.Bc4 Qc5 (16...Qd8 17.d3+=) 17.d4 Qb6 18.Nf7 (better 18.Qb3!?+-) 18...Rf7=+ 19.Bf7 Kf7 20.Qb3 (20.Qe2 Bf5=+) 20...Be6?? (better 20...Kf8=+) 21.Nd6!!+- (21.Nd6 ed6 22.Qb6+-) 1–0. DEFFM – GuestFHMT, freechess.org, 2020.

7.a4 a6 8.c4 dc4 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Nb5 Be6 13.0-0 Qb6 (13...Nc6!?=+) 14.Nfd4 Bd5 15.Na3 Qc5 (15...Qa6!?=) 16.Rc1+= Increases the pressure on c4 16...Qa5 17.Bc4 Qd2?? (better 17...Nc6+=) 18.Bc3+- (18.Bc3 Qc1 19.Qc1+-) 1-0. DEFFM – GuestYJPF, freechess.org, 2021.

7.a4 a6 8.c4 e6 9.0-0= Nbd7 (9...dc4 10.bc6 Nc6 11.Bc4=) 10.Nc3 (10.d4 dc4 11.bc6 bc6+=) 10...Ne4 (10...ab5 11.ab5 Ra1 12.Qa1 dc4 13.Bc4+=) 11.d4 Nc3 12.Bc3 Nf6 13.Bb4 Re8 14.Qc2 Bd7 (14...cb5 15.ab5 dc4 16.Bc4+=) 15.ba6+/- ba6 16.Bd3 a5 17.Bd6 Bc8 18.c5 Ba6 19.Ne5 Bd3 20.Qd3 Qc8 21.Rab1 Ne4 (21...Nd7 22.Nd7 Qd7 23.Rb6+=) 22.Rb6 Nd6 (22...Be5 23.de5 f6 24.f3 Nd6 25.ed6+/-) 23.Rc6+- Qb7 24.Rb1 Qa7 25.cd6 (25.Rd6?! Be5 26.de5 Qc5=) 25...Be5 26.de5 Red8 (26...Rab8+-) 27.Rc7 Qa6 28.Qa6 Ra6 29.Rbb7 Rf8 30.Ra7 Ra7 31.Ra7 Rb8 32.Kf1 Rb1 (32...f6 33.ef6 Rd8 34.Rg7 Kf8 35.d7+-) 33.Ke2 Rb2 34.Kf3 Rb8 35.Ra5 Kf8 36.Ra7 Ke8 (36...Rd8 37.a5 Kg7 38.h4+-) 37.a5 h5 (37...g5+-) 38.a6 Kf8 (38...d4 39.Rb7 Ra8 40.a7 Ra7 41.Ra7+-) 39.Rb7 Ra8 40.a7 Kg7 (40...Ra7 41.Ra7 Ke8 42.Rf7 h4+-) 41.d7 g5 (41...Ra7 42.Ra7 Kh7 43.d8Q Kg7 44.Qf6 Kh6 45.Ra8 d4 46.Rh8) 42.Rb8 g4 (42...Rb8 43.ab8Q Kg6 44.Qg8 Kf5 45.Qf7 Ke5 46.d8Q g4 47.Ke2 d4 48.Qd4) 43.Kf4 Ra7 44.d8Q Ra4 (44...Ra8 45.Qf6 Kh7 46.Ra8 d4 47.Rh8) 45.Kg5 f6 46.ef6 Kh7 (46...Kf7 47.Qc7) 47.Qh8 (47.Qc7) 1-0. onur604 (2320) - carsen1982thuy (2165), Casual Rapid game, lichess.org, 2021.

7.a4 cb5 8.ab5= a6 (8...Nbd7 9.0-0=) 9.0-0 ab5?? (better is 9...a5=) 10.Ra8+- Nc6 (10...Na6 11.Nc3 Nc7 12.Ra7+-) 11.Bb5 Nb4 (11...Qb6 12.Nc3+-) 12.c4 (12.Nc3 Qc7+-) 12...dc4 (12...Na6 13.Qa4+-) 13.Bc4 Ne4 (13...Nd7 14.Bg7 Kg7 15.Qb3+-) 14.Qb3 Qd6 (14...Bb2 15.Qb2 Nc6+-) 15.Bf7! Rf7 16.Rc8 Bf8 17.Ne5 Nd5 18.Ng4 Qd7 19.Nh6 1–0. Taulien,Hans_Juergen (2350) – Orion,Martin (1835), remoteschach.de, 2002.

7.a4 cb5 8.ab5 Bd7 9.0-0 Qb6 (9...a6!?+=) 10.Bd4+/- Qc7 11.Ra7 (11.Ba7 Qc8+/-) 11...Ra7 12.b6 Qd6 13.ba7 Na6 (better 13...Nc6!? 14.Nc3 Nd4 15.Nd4 Ra8+/-) 14.Nc3 Ne4 15.Bg7 Nc3?? (better 15...Kg7 16.Qa1 f6+-) 16.Bf8 Nd1 (16...Ne2 17.Qe2 Nc7 18.Bh6+-) 17.a8Q (17.a8Q Nc7 18.Qa1+-; 17.Bd1 Nc7 18.Bh6 Qa3=+; 17.Rd1?! Nc7 18.Bh6 Na8+/-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.a4 b6 8.0-0= c5 9.c4 dc4 (9...Nbd7 10.Qc2=) 10.Bc4 (10.Na3 Nbd7+=) 10...Bb7= 11.Ng5 (11.h3 Nbd7=) 11...Nbd7 (11...h6 12.Nh3=) 12.Qb3 (12.f4 e6=) 12...Qe8 (12...e6 13.f4=) 13.a5 (13.f4 h6 14.Nf3 Qd8=) 13...e6 (better 13...ba5 14.Ra5 h6=) 14.Ne6 (better 14.a6 Bd5 15.f4=) 14...fe6-/+ 15.Be6 Kh8 16.d3 Qe7 17.a6 (17.Nd2 Qd6-/+) 17...Bc8–+ 18.Nd2 Ne5! 19.Bc8 (19.Be5 Be6 Discovered attack) 19...Rac8 20.Rac1 Rfd8 21.d4 Ned7 22.Rfd1 (22.Nc4 Qe6–+) 22...cd4 23.Rc8 Rc8 24.Bd4 Nc5 25.Qc4 Nfd7 (25...Rc7 26.Qb4–+) 26.Nf3 Bd4?? (better 26...Bf6–+) 27.ed4+- Qe6 28.Qc1 Qe2?? (better 28...Qf5+-) 29.dc5+- Nc5 30.Qa1 Kg8 31.Re1 Nb3 (31...Qc4 32.Re7 Ne6+-) 32.Qf6 (32.Re2?! Na1 33.Kf1 Rc1 34.Re1 Re1 35.Ke1 Nb3+-) 32...Rc1 33.Rc1 (33.Qd8 Kg7 34.Rc1 Nc1 35.Qc7 Kf6 36.Qc1 Qb5 37.Qf4 Ke7 38.Qc7 Qd7 39.Qe5 Qe6 40.Qg7 Qf7 41.Qf7 Kf7+-) 33...Nc1 34.Qd8 Kg7 35.Qc7 Kg8 (35...Kf6 36.Qc1 Qb5 37.Qf4 Ke7 38.Qc7 Qd7 39.Qe5 Kd8 40.Nd4+-) 36.Qc1 Qb5 (36...Qe7+-) 37.Qc8 (37.Qc8 Kg7 38.Qb7 Kf6 39.h4+-) 1–0. DEFFM (2410) – hitme123 (2025), rated rapid game lichess.org, 2020.

7.a4 Re8 8.0-0 Nbd7 9.d4 e6 (9...c5 10.Nbd2=) 10.c4 (10.Nbd2 c5+=) 10...Nb6 (10...c5 11.Nbd2+=) 11.Nbd2 (11.c5 Nbd7+-) 11...dc4 (11...Ne4 12.cd5 ed5 13.bc6 bc6 14.Ne4 de4 15.Ne5+=) 12.Nc4 cb5 13.ab5 Nc4 (13...Ne4 14.Nfe5+-) 14.Bc4+- Nd5 (14...Ne4 15.Qe2+-) 15.e4 Ne7 (15...Nb6 16.Bd3+-) 16.Qb3 b6 (16...Qb6 17.Ne5+-) 17.Rfc1 (17.Ne5!? Qc7+-) 17...Bb7+- 18.Be6 (18.Bd3 Qd6+-) 18...fe6 19.Qe6 Kh8 20.Ne5 Be5?? (better 20...Rf8 21.Nf7 Rf7 22.Qf7 Qd7+-) 21.Qe5+- Kg8 22.Qe6 (22.d5 Nf5 23.Qh8 Kf7 24.Qh7 Kf8 25.ef5 Re7 26.Qh8 Kf7 27.fg6 Kg6 28.Qf6 Kh7 29.Qf5 Kh6 30.Ra3 Re4 31.Bf6 Qf6 32.Qf6 Kh7 33.Rg3 Rg8 34.Rh3 Rh4 35.Rh4) 22...Kf8 23.Qf6 Kg8 24.Qe6 (24.d5 Nf5 25.Qh8 (25.ef5?! Qf6 26.Bf6 Bd5+-) 25...Kf7 26.Qh7 Kf8 27.ef5 Re7 28.Qh8 Kf7 29.fg6 Kg6 30.Qf6 Kh7 31.Qf5 Kh6 32.Ra3 Re4 33.Bf6 Re1 34.Re1 Qf6 35.Qf6 Kh5 36.Rh3 Kg4 37.Re4) 24...Kf8 25.Qf6 Kg8 26.d5 Nf5 27.Qh8 (27.ef5?! Qf6 28.Bf6 Bd5 29.fg6 hg6+-) 27...Kf7 28.Qh7 Kf8 1–0. DEFFM – GuestLDTB, freechess.org, 2020.

7.Nc3 cb5 8.Bb5 a6+=.

5.Nf3 d6

6.a4 c6 7.c4 (7.Nc3 e5 (7...Nbd7= 8.Be2 e5 9.0-0 Qa5 10.d4=; 7...Nd5 8.d4 Nc3 9.Bc3 c5 10.Qd2=) 8.Bd3 Re8 9.e4 d5 10.0-0+=; 7.Be2 e5 (7...Bf5 8.0-0 a6 9.Nc3 e5 10.d3=; 7...c5 8.0-0 a6 9.d4 Bf5 10.Nc3=) 8.0-0 a6 9.d4 e4 10.Nfd2=; 7.Bc4 Qc7 (7...e5 8.0-0 Bg4 9.h3 Be6 10.Be6=; 7...Qa5 8.Be2 e5 9.0-0 Bg4 10.Nc3=; 7...d5 8.Be2 b6 9.0-0 a6 10.Be5=; 7...a6 8.0-0 d5 9.Be2 Bg4 10.Nc3=; 7...b6 8.0-0 d5 9.Be2 a6 10.Na3=; 7...Bg4 8.h3 Bf5 9.0-0 d5 10.Be2=) 8.0-0 cb5 9.Bb5 Nc6 10.Nc3=) 7...a6 (7...e5 8.d4 (8.Be2+= e4 9.Nd4 d5 10.Qc2=) 8...ed4 9.Bd4 c5 10.Bb2=; 7...Bg4 8.Be2 d5 9.0-0 Bf3 10.Bf3=) 8.Nc3= (8.Be2 e5 9.d4 ed4 10.Bd4=) 8...a5 (8...Nbd7 9.d4= e5 10.Be2=; 8...ab5 9.ab5 Ra1 10.Qa1=) 9.Be2 Nbd7 (9...e5 10.d3=) 10.0-0 (10.d4 Nb6=) 10...Ne4 (10...Nc5 11.d4 Nfe4 12.Ne4 (worse is 12.dc5 Bc3 13.Bc3 Nc3+=) 12...Ne4 13.Qc2+=) 11.Qc2 (11.Ne4 Bb2 12.Rb1 Bg7=) 11...Nc3 12.Bc3 (worse is 12.dc3 Nc5+=) 12...e5 (12...Bc3 13.Qc3 Nf6 14.bc6 bc6 15.Rfb1=) 13.d4 f5 (13...ed4 14.Nd4 Ne5 15.Qd2+=) 14.de5 (14.h3 e4 15.Nd2 c5+=) 14...de5 (14...Ne5 15.Ne5 Be5 16.Be5 de5 17.bc6 bc6 18.Rad1+/–) 15.Qb2 (15.bc6 bc6 16.c5 Qe7+=) 15...Qe7+= 16.Nd2 (16.Rfd1 e4 17.Bg7 Qg7 18.Qg7 Kg7 19.bc6 bc6=) 16...f4 (16...Nc5 17.Qa3 Bf6 18.bc6 bc6 19.Rab1+=) 17.Bf3 (17.ef4 ef4 18.Bf3 Bc3 19.Qc3 Qe5+=) 17...Rb8 (17...fe3 18.fe3 Bh6 19.bc6 Be3 20.Kh1 bc6 21.Bc6+/–) 18.Qc2 (18.ef4 Rf4 19.Rfe1+/– (19.Ba5 e4 20.Qa3 Qa3 21.Ra3 ef3-/+)) 18...Nc5+= 19.Ne4 (19.bc6 bc6 20.Bc6 Be6+=) 19...Ne4 (19...fe3 20.Rae1 ef2 21.Rf2 Bf5-/+) 20.Be4+= (20.Qe4?? Bf5 21.bc6 Be4 22.Be4 bc6 23.Bc6 fe3 24.Bd5 Kh8 25.fe3 e4 26.Bg7 Kg7–+) 20...cb5 21.Ba5 (21.cb5 Be6 22.Rfe1 Rbc8 23.ef4 ef4 24.Bg7 Rc2 (worse is 24...Kg7 25.Qb2 Qf6 26.Qf6 Kf6 27.Bb7+-) 25.Bf8 Qf8 26.Bc2 Kf7+=) 21...bc4 (21...b6 22.Bd2 bc4 23.Qc4 Be6 24.Qb5=) 22.Qc4+= Be6 23.Qb5 Rfc8 24.Bb6 ½–½. Tsvetkov,A – Borisov,P, UKR–ch sf U16, 2000.

6.a4 Bg4 7.Be2 c5 (7...Nbd7 8.h3 Bf5 9.Nc3=) 8.c4 (8.h3 Bf5=) 8...a6 (8...Nbd7 9.0-0=) 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.h3 Bf5 13.g4 Bb1 (13...Be6 14.Ng5=) 14.Qb1+= b6 (14...Nb6 15.g5 Nh5 16.Qe4+=) 15.Qc2 (15.g5 Nh5+-) 15...Qc7 (15...Qa8 16.d3+=) 16.Bb2 (16.g5 Nh5+=) 16...Ne8 (16...Ra8 17.Bc3+=) 17.d4 e6 18.Ng5 (18.Rd1!?+-) 18...cd4 19.ed4 d5 20.Qc3 Nd6 21.cd5 Qc3 22.Bc3 ed5 23.Ra1 h6 24.Nf3 Ne4 25.Bb2 Ndf6 (25...Rc8 26.Bc1+=) 26.Ne5 (26.Ra6 Rc8 27.Bd1 Nd6+=) 26...Rc8 (26...Ng5 27.Kg2+=) 27.Nc6 (27.Bc1 Rc2 28.Bd3 Rc3+-) 27...Kh7 (27...Re8 28.Kg2+=) 28.Ra6+- Nd6 29.Rb6 Nc4 30.Bc4 dc4 31.Rb7 (31.Kf1 c3 32.Bc3 Nd5+-) 31...Ne4+= 32.Rb6 (32.Rf7!? c3 33.Bc1+=) 32...c3= 33.Bc1 f5 (33...Nd2!? 34.Kg2 Re8=) 34.Ne7 (34.gf5 gf5 35.Kf1 Re8+=) 34...Ra8+= 35.Ra6 (35.Rg6 Ra1 36.Rc6 Rc1 37.Kg2 fg4–+; 35.gf5?! gf5 36.Ra6 Rb8 37.Nf5 Rb5 38.Ng7 Rb1+=) 35...Ra6 (35...Rb8 36.gf5 gf5 37.Nf5 Rb5 38.Ng7+=) 36.ba6+- Bd4 37.gf5 Bf2 38.Kf1 gf5 39.Ke2 c2 40.Nf5 Ba7 41.Kd3 (better 41.Ne7!?+-) 41...Nc5= 42.Kc2 Na6 43.Nh6 Nc5 (43...Nb4 44.Kb3 Nd3 45.Bd2=) 44.Ng4 (44.Nf5 Ne6=) 44...Ne6= 45.Kd3 (45.Ne5 Bf2=) 45...Bb8 46.Ke4 Kg6 47.Be3 Bc7 (47...Ng5 48.Kd5=) 48.Kd5 (48.Kf3 Kh5=) 48...Ng5 49.Bg5 Kg5 50.Nf2 Kh4 51.Ke4 Bb6 52.Nd3 Kh3 53.Ne5 Bd4 54.Nd3 Be5 55.Ne5 ½–½. Massudy (2505) – Souldust (2485), lichess.org Rated Rapid game, 2020.

6.Nc3 a6 7.a4 (7.Bc4 ab5 8.Nb5 c6 9.Nc3 Na6 10.0-0 Bd7 11.d4 b5 12.Bb3) 7...Nbd7 8.d4 Nb6 9.Bd3 Nbd5 10.0-0 Nb4 11.ba6 b6 12.d5.

6.Nc3 d5 7.Bd3 (7.d4 a6 8.a4 Bf5 9.Bd3 Bd3 10.cd3 Qd6 11.0-0 Nbd7 12.Ba3) 7...a6 8.a4 Nbd7 9.Ba3 ab5 10.ab5 Re8 11.0-0 e5 12.Be2.

6.Nc3 Nbd7 7.d4 (7.Be2 Nc5 8.0-0 Nfe4 9.Qb1 Bc3 10.Bc3 Nc3 11.dc3 e5 12.Qb4) 7...a6 8.a4 Nb6 9.Bd3 ab5 10.ab5 Bg4 11.Ra8 Qa8 12.h3.

6.Nc3 e5 7.Be2 (7.Bc4 d5 8.Be2 e4 9.Nd4 c5 10.Nb3 b6 11.0-0 Nbd7 12.d3; 7.h3 Nbd7 8.Be2 Nc5 9.0-0 Bd7 10.d4 ed4 11.Nd4 Nfe4 12.Qe1; 7.h4 Bf5 8.Be2 Nbd7 9.h5 gh5 10.Nh4 Bg6 11.Nf3 Re8 12.0-0; 7.d4 e4 8.Nd2 d5 9.Be2 Be6 10.h4 h5 11.Nb3 Nbd7 12.Ba3; 7.Ng5 Nbd7 8.Be2 Nc5 9.0-0 Re8 10.Ba3 h6 11.Bc5 dc5 12.Nge4) 7...Bf5 8.0-0 Nbd7 9.h3 Qe7 10.d4 d5 11.Qc1 c6 12.Ba3.

6.c4 c5 7.Be2 Nbd7 8.Nc3N a5 9.0-0 b6 10.d4 cd4 11.ed4 e6 12.Ng5 Bb7 13.Ba3 Ne8 14.Bf3 Rb8 15.Bb7 Rb7 16.Nge4 Ndf6 17.Ng5 Nd7 18.f4 h6 19.Nge4 Ndf6 20.Qd3 Ne4 21.Ne4 (worse 21.Qe4 Rc7 22.Qd3 Qc8=+) 21...Rd7 22.Rae1 Nf6 23.d5 Ne4 (23...ed5!? 24.cd5 Ne4 25.Re4 Rc7=) 24.de6+/- (worse 24.Qe4 Re8+=) 24...fe6 25.Qe4 Qf6 26.Qe6 Qe6 27.Re6 Rfd8 (27...Kf7!? 28.Rd6 Rd6 29.Bd6 Bd4 30.Kh1 Rc8+/-) 28.Rg6+- Kf7 29.f5 d5 30.c5 bc5 (30...Bd4 31.Kh1 bc5 32.Rh6+-) 31.Bc5 d4 32.b6 Rd5 33.Rc6 Bf8? (33...Be5+-) 34.Bf8 Kf8 (34...Rf8 35.Rh6 Rb5 36.a4+-) 35.Rh6 (35.b7!? Rb5 36.Rc8 Re8+-) 35...d3 36.g4 Kg7 37.g5 (better 37.Rc6!? Rb5+-) 37...d2 38.Rg6 (better 38.f6!? Kg8 39.Rg6 Kf8 40.Rd1+-) 38...Kh7 39.Rh6 Kg7 40.Rd1 (40.f6 Kg8 41.Rg6 Kf8+-) 40...Rf5 41.h4 Rc5 42.Kf2 Re5 (42...Rf5 43.Kg3+-) 43.Rf6 1-0. DEFFM – GuestGQMB, freechess.org, 2021.

6.c4 c6 7.a4 cb5 8.ab5 b6 9.Be2 Bb7 (9...a5 10.Nc3=) 10.0-0+= a5 11.d4 (11.ba6 Ra6 12.Ra6 Na6+=) 11...Nbd7= 12.Nbd2 Re8 13.Qb3 e5 14.Qc2 (14.Rfe1 Qc7=) 14...e4 (14...ed4 15.Bd4 Nc5 16.Ra3=+) 15.Ng5 d5 (15...Rc8 16.Qb3 Nf8 17.Ra2=) 16.c5+= bc5 17.dc5 Ne5 (better 17...Nc5!? 18.Qc5 Nd7 19.Nf7 Nc5 20.Nd8 Bb2 21.Nb7 Nb7+=) 18.c6 Bc8 19.c7 (19.h3 h6 20.Rfb1 Qc7+=) 19...Qd6 20.Bd4 (20.Ba3 Qb6 21.Qc5 Qb7+-) 20...h6 21.Nh3 Bh3 22.gh3 Ned7? (22...Nfd7+-) 23.Rfb1 White plans b6 23...Nh7 (23...Nb6 24.Qc6 Qc6 25.bc6+-) 24.Bg7 (24.b6!? Rac8 25.Bg7 Kg7 26.Qb2 Nhf6+-) 24...Kg7 25.Qb2 Nhf6 26.b6 Nb6 27.Qb6 Qb6 28.Rb6 Rec8 29.Rb8! Rcb8 (29...Rab8 30.Ra5 Deflection; 29...Rcb8 30.cb8R Combination) 30.cb8Q Rb8 31.Kf1 (31.Ra5?! Rb2 32.Nc4 Re2=) 31...Rb2 32.Ke1 h5 (32...d4 33.Ra5 d3 34.Bd1+-) 33.Ra5 g5 (33...Rb4 34.Ra7+-) 34.Bd1 (better 34.f3 ef3 35.Bf3+-) 34...g4?? (34...Rb7+-) 35.hg4 hg4 (35...Ng4 36.Rd5 Nh2 37.Bh5 Nf3 38.Nf3 ef3 39.Bf3+-) 36.Bb3 1–0. DEFFM – GuestCGKS, freechess.org, 2019.

6.c4 Nbd7 7.Be2 c5 (7...a6 8.d4 ab5 9.cb5 Nb6 10.a4 Nbd5=) 8.0-0 e5 (8...a6 9.a4 b6 10.Nc3 Bb7=) 9.d4 (9.d3 Re8 10.Nc3 a6=) 9...Re8 (9...e4 10.Nfd2= Re8=; 9...cd4 10.ed4 e4=) 10.de5+= de5 (10...Ne4 11.Qd3 Ne5 12.Ne5 (worse is 12.Qe4 Nf3 13.Qf3 Bb2-/+) 12...Be5 13.Be5 (13.Qe4 Bb2 14.Qd5 Ba1–+) 13...Re5 14.f3+=) 11.Ne5 Ne4 (11...Ne5 12.Qd8 Rd8 13.Be5+=) 12.Nd3+/– Bb2 13.Nb2 b6 (13...Qh4 14.Qc2+/–) 14.Bf3 Bb7 15.Be4 Be4 16.Nc3 Bb7 17.Qe2 (17.Qc2 Qg5 18.e4 Nf6+/–) 17...Qg5+= 18.g3 (better is 18.f4 Qe7 19.Rad1+/–) 18...Ne5? (better is 18...Nf6+=) 19.f4+- Nf3 (19...Qg4 20.fe5 Qe2 21.Ne2 Re5 22.Nd1+-) 20.Qf3 Bf3 21.fg5 Re3 22.Rac1 Rd8 (22...Rae8 23.Nd5 Bd5 24.cd5+-) 23.Kf2 Rde8 24.Rce1 Re1 25.Re1 Re1 26.Ke1 (26.Kf3?! Rf1 27.Kg2 Rc1+-) 1–0. Bonetti,Shane – MPH, ICC, 2002.

6.c4 Bg4 7.h3 Bf3 8.Qf3 c6 9.a4 Nh5 10.Bg7 Ng7 11.Nc3 e5 12.Ne4 f5 13.Ng3 Ne6 14.bc6 bc6 15.Rb1 e4 16.Qd1 c5 17.Rb7 Nc6 18.Qb3 Rb8 19.Rb8 Qb8 20.Qb8 Rb8 21.Be2 Rb1 22.Bd1 Nb4 23.0-0 Kf7 24.Ne2 a5 25.Nc3 Ke7 26.f3 ef3 27.Bf3 Rf1 28.Kf1 Ng5 29.Bd5 Nd5 30.Nd5 Ke6 31.d3 Nf7 32.d4 Ng5 33.Ke2 Ne4 34.Kd3 g5 35.g4 Nf2 36.Ke2 Nh3 37.gf5 Kf5 0–1. Abdullaevich – MaksSinitsyn (1665), lichess.org, 2018.

6.Bc4 a6 7.Na3 ab5 8.Nb5 c6 9.Nc3 Na6 10.0-0 Bd7 11.d4 Nb4 12.a3.

6.Bc4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 d5 10.Ba2 Nbd7 11.0-0 Nc5 12.Be5.

6.Bc4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bg4 10.h3 Bd7 11.0-0 c6 12.Na3 (12.Nc3 Qc7=) 12...Qa5 13.bc6 bc6 14.Qc1 c5 15.d3 (15.Bb2 Bc6=+) 15...Nc6 16.Bb3 Nh5 (16...Qb4 17.Nc4=) 17.Bg7 Ng7 18.Nc4 Qa6 (18...Qc7 19.Qa1=) 19.Qb2+= Ra8 20.Nb6 Ra7 21.Nd7 Rd7 22.Ng5 (22.Bd5 Rc7+-) 22...e6 23.Ra1 Qb7 24.Qc3 h6 25.Ne4 Nf5?? (better 25...Ne8+=) 26.Nf6+- Kf8 (26...Kg7 27.Nd7 e5 28.Nc5 dc5 29.Qc5+-) 27.Nd7 Qd7 28.Qf6 Qb7 (28...Na7 29.Be6! Qc7+-) 29.Ra8! Qa8 30.Qh8 Ke7 31.Qa8 Nd8 (31...Ne5 32.f4 Nd3 33.cd3 Ne3 34.g4+-) 32.Qc8 d5 33.Qc7 Kf8 34.Qd8 Kg7 35.g4 c4 36.dc4 dc4 37.Bc4 Ne3 38.fe3 h5 39.g5 h4 40.Qe8 e5 (40...Kh7 41.Qf7 Kh8 42.Qg6 e5 43.Qg8) 41.Qf7 Kh8 42.Qg8 1–0. onur604 (2285) – Linaresluis (2055), lichess.org, 2020.

6.Bc4 a6 7.Nc3 ab5 8.Nb5 c6 9.Nc3 Na6 10.0-0 d5 11.Bb3 Nc5 12.d4.

6.Bc4 d5 7.Be2 (7.Bd3 Nbd7 8.0-0 Nc5 9.Nc3 Nd3 10.cd3 a6 11.Qc2 ab5 12.Nb5; 7.Bb3 a6 8.Nc3 ab5 9.Nb5 c6 10.Nc3 Nbd7 11.0-0 Qc7 12.d4) 7...Nbd7 8.0-0 Nc5 9.Nc3 Qd6 10.d4 Nce4 11.Ne5 Nc3 12.Bc3.

6.Bc4 Nbd7 7.0-0 (7.Nc3 Nc5 8.d4 Nce4 9.d5 e5 10.Ne4 Ne4 11.h3 Bd7 12.0-0) 7...Nb6 8.Bb3 a6 9.ba6 Ra6 10.Nc3 c5 11.Qe2 Bf5 12.Nh4.

6.Bc4 e5 7.0-0 Be6 8.Be6= fe6 9.d4 e4 (9...Nbd7 10.Nc3=) 10.Ng5+= Qd7 11.c4 h6 12.Nh3 c5 (12...e5 13.de5 de5 14.Be5+/-) 13.dc5 Rd8 (13...dc5 14.Nc3+/-) 14.cd6 Qd6 15.Qd6 Rd6 16.Nf4 g5? (16...Kf7 17.c5 Rd8 18.Nc3+/-) 17.c5 Rd8?? (17...Rd7 18.Ne6 Re7 19.Ng7 Kg7+-) 18.Ne6+- Rc8 (18...Rd7 19.Nc3+-) 19.Nd2 Nbd7 (19...Bh8 20.Nc4 Nbd7 21.Nd6 Rc5 22.Nc5 Nc5 23.Rad1+-) 20.Rac1 a6 (20...Bh8 21.c6 bc6 22.bc6+-) 21.Ng7 (21.c6 bc6 22.bc6 Nb8 23.Ng7 Kg7 24.Ne4 Kg6 25.Bf6 Rc6+-) 21...Kg7 (21...ab5 22.Nf5 Kh7 23.a3+-) 22.c6 bc6 23.bc6 Nb6 24.Ne4 Rf8 (24...Nbd5 25.c7! Ra7 26.Nf6 Nf6+-) 25.Bf6 Rf6 (25...Kg8 26.Bb2 Rac8 27.Rfd1+-) 26.Nf6 Kf6 27.c7 Ke7 28.Rfd1 (better 28.Rc6 Rc8 29.Rb6 Rc7 30.Rh6 Rc2+-) 28...Nd7 (28...Rc8+-) 29.c8Q (29.c8Q Rc8 30.Rc8+-) 1-0. onur604 (2320) - Moonlight08 (2200), Casual Rapid game, lichess.org, 2021.

6.d3 c5 7.Nbd2 b6 8.h3 (8.Be2 a6 (8...Nbd7+= 9.c4 Bb7 10.0-0=) 9.ba6 Na6 10.c4=) 8...Bb7 (8...a6 9.a4+= (9.ba6 b5 10.a4=) 9...Bd7 10.c4=) 9.e4 (9.Be2 a6 10.a4 Qc7+=) 9...Nbd7-/+ (9...a6 10.a4+=) 10.Nh4 (10.Be2 d5-/+) 10...e5 (10...d5!? 11.ed5 Nd5 12.Bg7 Kg7 13.Ndf3-/+) 11.Be2 d5 12.Bf3 (12.Nhf3 de4 13.de4 Ne4 14.Ne4 Be4-/+) 12...d4 (12...Ne4 13.de4 Qh4 14.0-0 de4 15.g3 Qh3 16.Ne4 Be4 17.Be4–+) 13.Qe2 (13.0-0!?-/+) 13...Ne8 14.g3 Nd6 (better is 14...a6 15.ba6 Ra6-/+) 15.c4? (better is 15.Nc4 Nb5 16.a4-/+) 15...dc3!–+ 16.Bc3 Nb5 17.Bb2 Nd6 (17...Bf6!? 18.0-0–+) 18.0-0 (18.Nc4 Qe7-/+) 18...Qe7 (18...Nb8 19.Bg2–+) 19.Qe3 (19.Ng2!?-/+) 19...Rad8 20.Bg2 Nb5 (20...Nb8 21.Rac1–+) 21.Nc4 (21.Nhf3 Nd4 22.Rab1 Qe6-/+) 21...Nd4–+ 22.Rac1 (22.Rad1 Nb8–+) 22...Ba6 (22...Nb8 23.Nf3–+) 23.Nf3-/+ Rfe8 (23...b5 24.Na5 Qe6 25.Ng5 Qa2 26.Qd2 Ne2 27.Qe2 Qa5 28.Ra1–+) 24.Nd4 (24.Qd2 Rc8-/+) 24...cd4 25.Qe2 (25.Qf3 Rc8 26.Ba3 Nc5–+) 25...Nc5 (25...Rc8 26.Bf3–+) 26.Ba3 (26.Bf3 Bb5–+) 26...Qg5 (26...Rc8!? 27.Rfd1–+) 27.Rc2 Bc8 28.Bc1 Qe7 29.h4 f6 30.Rd1 Bf8 31.h5 Be6 32.hg6 hg6 33.f4 ef4 34.gf4 Qd7 35.Qf2 Bg4 36.Rdd2-/+ b5 37.Nb2 Kg7 38.Qh4 f5 39.e5 Be7 40.Qg3 Rh8 41.Bf1 Bh4 42.Qg2 Ne6 43.Qc6 Qc6 44.Rc6 Kf7 45.Rdc2 Bf3 46.Ra6 Rd7 47.Be2?? Bd5–+ 48.Ra5 Bg3 (48...Bg3 49.Bf3 Bf3–+) 0–1. Falk,Charles – Salvo,Tab (1735), Lovegrove Senior Open, 2006.

6.Bd3 A) 6...Nbd7 7.Nc3 (7.0-0 Nc5 8.Nc3 a6 9.a4 Nd3 10.cd3 e5 11.Qc2 Bd7 12.d4; 7.h3 Nc5 8.Nc3 a6 9.0-0 ab5 10.Bb5 c6 11.Be2 Qa5 12.d4) 7...Nc5 8.0-0 a6 9.a4 Nd3 10.cd3 e5 11.Qb3 Be6 12.Qc2; B) 6...e5 7.Nc3 (7.Ng5 h6 8.Ne4 Ne4 9.Be4 d5 10.Bf3 e4 11.Bg7 Kg7 12.Be2) 7...a6 8.a4 Nbd7 9.0-0 Nc5 10.Be2 Bd7 11.d4 ed4 12.Nd4; C) 6...a6 7.a4 (7.0-0 ab5 8.Bb5 Nc6 9.Nc3 Be6 10.a4 d5 11.d4 Na5 12.Qe2; 7.Na3 ab5 8.Nb5 Nbd7 9.0-0 Nc5 10.Qe2 e5 11.e4 Bd7 12.a4; 7.Nc3 ab5 8.Bb5 Na6 9.0-0 c6 10.Be2 Bd7 11.h3 b5 12.a3) 7...ab5 8.ab5 Ra1 9.Ba1 e5 10.Nc3 Nbd7 11.0-0 Nc5 12.Be2.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 d5 (10...cb5 11.cb5 Be6 12.Bd3=+) 11.Nc3= Bg4 12.Bd3 Nbd7 13.0-0 e5 14.Be2 e4 (14...ed4 15.Nd4 Be2 16.Qe2=) 15.Nd2 (15.Ne5 Be2 16.Qe2 Qc7=) 15...Be6 (15...Be2 16.Qe2 Qa5 17.Rb1=) 16.Bb2 Ne8? (better 16...Qc7+=) 17.bc6 bc6 18.Ba3 f5 (18...Nef6 19.Bf8 Qf8 20.Qa4+-) 19.Bf8 Bf8 20.Qa4 Qc7 21.Qa8 (21.Rb1 Nd6+-) 21...Ndf6 (21...Nb6 22.Qa6 Bc8 23.Qa5+-) 22.Rb1 g5 (22...Bd6 23.c5 Bh2 24.Kh1+-) 23.Rb7 Qd6 (23...Qc8 24.Rb8 Qc7+-) 24.c5 (24.c5 Nc7 25.Qa7+-) 1–0. DEFFM – GuestTSVN, freechess.org, 2019.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nbd2 Qa5 11.bc6 Nc6 12.Be2 Ne4 (12...Bf5 13.c4=) 13.0-0 Nc3 14.Bc3 Qc3 15.Ne4 Qa5 16.c4 White intends d5 16...Bf5 (16...f5 17.Ned2=) 17.Ng3+= Ra8 (17...Bd7 18.Qb3+=) 18.d5+- Ne5 19.Nf5 gf5 20.Qb1 Qc3 (20...Nf3 21.Bf3 Qc7 22.Qf5 Qc4 23.Qd7+-) 21.Qb7 Ra1? (better 21...Re8!?+-) 22.Qe7+- Nf3 23.gf3 Rf1 24.Bf1 Qe5 25.Qd8 Bf8 26.f4 Qg7 27.Kh1 Qg4 (27...Qa1 28.Qg5 Bg7 29.Kg2+-) 28.h3 Qf3 29.Kg1 h6 30.Qc8 Qe4 (30...Qh5 31.Kg2 Qg6 32.Kh2+-) 31.c5! Qd5 (31...dc5 32.d6 Passed pawn) 32.c6 1–0. onur604 (2320) – SUPERGMDONKEY (1960), lichess.org, 2020.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Bd3 cb5 11.0-0 Bd7 12.Nbd2 b4 13.e4 Nc6 (13...Qc7 14.Qb1 Na6 15.c3=+) 14.d5 Na5 (better 14...Nb8!?=+) 15.Qb1+= Qb6 (15...b6!?+=) 16.Bd4+/- Qc7 17.Qb4 b6?? (better 17...b5+/-) 18.Bb6+- Rb8 (18...Nc6 19.Qb3 (19.Bc7?! Nb4 20.Rb1 Nd3 21.cd3 Ba4+=; worse 19.dc6 Qc6 20.Bd4 Ra8+-) 19...Qb7 20.dc6 Qc6 21.Bd4+-) 19.Bc7 (19.Qa5?! Qb6 20.Qb6 Rb6+/-; 19.Ba5 Qa7 20.Qa3 Nh5+-) 19...Rb4 20.Ba5 Ra4 21.Bd8 Ne8 (21...Bf8 22.Rb1+-) 22.Be7 Nc7 (22...f5 23.Rb1+-) 23.Bd6 (23.Bd6 Ne8 24.Bf4+-) 1-0. DEFFM – dcfjg, freechess.org, 2021.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Be2 Qe8 11.c4 Ne4 12.Qc2 Nf6 13.Nc3 c6 14.0-0 Bf5 15.e4 (15.Bd3 Bd3 16.Qd3 cb5 17.Nb5 d5+=) 15...Bc8 (15...Ne4!? 16.Ne4 d5+=) 16.Bb2+- e5? (better 16...Bg4!?+-) 17.de5+- de5 18.Ba3 Qe6 (18...Nbd7 19.Bd6+-) 19.Bf8 Bf8 20.Na4 Nbd7 21.Rd1 Ne8 (21...Nh5 22.g3+-) 22.c5 Qf6 (22...cb5 23.Bb5 Nef6 24.Bc4+-) 23.Qc3 Nc7 (23...g5+-) 24.Qa5 Ne6 (24...cb5 25.Qc7 ba4 26.Qc8 (26.Rd7?! Bd7 27.Qd7 Bc5+-) 26...Nc5 27.Rd8+-) 25.Qa8 Nf4 (25...Nec5 26.Qc8 Na4 27.Qd7+-) 26.Bc4 (26.Bc4 Nc5 27.Nc5+-) 1–0. onur604 (2320) – Teodorico (2045), lichess.org, 2020.

6.d4 Bd7 7.a4 Qc8 (7...c5 8.Bd3=) 8.Bd3 Nd5 9.0-0 Nb4 10.e4 Nd3 11.Qd3 Rd8 (11...Be6 12.Nc3+=) 12.Qb3 (12.Nc3 c6+=) 12...Be6 (12...c6 13.c4+=) 13.d5 Bg4 14.Nbd2 (14.Nfd2 e5+=) 14...c6 (14...Bf3 15.Nf3 Bb2 16.Qb2+=) 15.Bg7+- Kg7 16.dc6 bc6 17.e5 (17.Ng5 Be6 18.Qe3 cb5 19.ab5 Nd7+-) 17...cb5 (17...d5 18.Qe3+-) 18.ab5 (better 18.ed6 Rd6 19.ab5 Bf3 20.Nf3+-) 18...Qc5?? (18...de5 19.Ne5 A) 19...Rd2?? 20.b6 Rd7 21.Nd7 (21.Ng4?! Nc6=+) 21...Nd7 22.b7+-; B) 19...Be6+-) 19.Ne4+- Qb6 (19...Qc7 20.ed6 ed6 21.b6 Qb6 22.Qb6 ab6 23.Ra8+-) 20.ed6 ed6 (20...Rd6 21.Nd6 Qd6 22.Ng5+-) 21.Qb2 Kg8 (21...Kh6 22.Nfg5 Rf8 23.Nh7 Nd7 24.Nf8 Rf8+-) 22.Nf6 (22.Nf6 Kf8 23.Nd5+-) 1–0. DEFFM – guno, freechess.org, 2019.

6.d4 Nbd7 7.Bd3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.c4 Qa5 12.Bc3 Qa7 (12...Qc7 13.0-0+=) 13.0-0+= cb5 14.cb5 b6 15.e4 Bb7 16.Nbd2 Qa8 17.Qc2 Rc8 18.Re1 (18.Rc1 e6+=) 18...Qa3 (18...d5!? 19.e5 Ne4 20.Be4 de4=) 19.Nc4+- Qa8 20.Ra1 (20.d5 Rc7+-) 20...Qb8+= 21.Ncd2 Qc7 22.Rc1 Ra8 23.Qb3 Qd8 24.Ng5 Qe8 25.Bc4 e6 26.Ne6 (better 26.Bd3!?+=) 26...fe6=+ 27.Be6 Kh8 28.f3 (28.Bh3 Rc8=+ (worse 28...Ne4 29.Ne4 Qe4 30.Re1+=; worse 28...Be4 29.Re1+=)) 28...d5 29.ed5 Nd5?? (better 29...Nf8 30.Ne4 Rd8 31.Nf6 Bf6-/+) 30.Bd5+- Bd5 31.Qd5 Nf6 32.Qc6 Qe3 (32...Qg8 33.Bb2 (33.Qb6?! Nd5 34.Qd6 Rd8+=) 33...Nd5 34.Nc4+-) 33.Kh1 Re8 34.Ra1 Nh5?? (better 34...Re6 35.Qc4 h6+-) 35.Nf1 Qe7 (35...Ng3 36.Ng3 Rb8+-) 36.Ra8 (better 36.Re1 Qe1 37.Be1+-) 36...Nf6 (36...Ra8 37.Qa8 Bf8 38.Ne3+-) 37.Re8 Ne8 38.Qb6 Qe2 39.Kg1 Qd3 (39...Qc4 40.Qb8 Bd4 41.Bd4 Qd4 42.Kh1+-) 40.Qc5 h5 (40...h6 41.b6 Nd6 42.h3+-) 41.b6 Nd6 42.Qd6 Qc3 43.Qg6 Bd4 44.Kh1 Qc4 (44...Qa1 45.Qh5 Kg7 46.Qg5 Kf7 47.Qd5 Ke7 48.Qc4 Bb6 49.g4+-) 45.Qh5 Kg8 (45...Kg7 46.Qg5 Kf7 47.Qf4 Ke6 48.Ng3+-) 46.Qe8 Kg7 47.Qd7 Kf8 (47...Kg6 48.Qd6 Bf6 49.Ne3+-) 48.Qd8 Kf7 (48...Kg7 49.Qc7 Qf7+-) 49.Qc7 Kf6 50.Qc4 (50.Qc4 Be5 51.Qc6 Ke7 52.Ne3 Bb2 53.Nd5 Kf8 54.Qc7 Kg8 55.b7 Bg7 56.Nf6 Bf6 57.b8Q Bd8 58.Qbd8) 1–0. onur604 (2265) – stegemma (1835), lichess.org, 2020.

6.d4 Nbd7 7.Be2 Re8 8.0-0 e5 9.de5 de5 (9...Ng4!?=) 10.Ne5+- Nh5 (10...Ne5 11.Qd8 Decoy; 10...Re5 11.Be5 Combination) 11.Nf7!+- Bb2? (11...Kf7 12.Qd5 Double attack) 12.Nd8 Ba1 (12...Rd8 13.Nd2 Ba1 14.Qa1+-) 13.Qd5 Kg7 (13...Kh8 14.Nf7 Kg7+-) 14.Qf7 Kh6 15.Qe8 Ne5 16.Qf8 Ng7 (16...Kg5 17.f4 Kh4 18.Qe7 Nf6 19.Qf6 g5 20.Qg5) 17.Qf4 g5 18.Qf6 (18.Qf6 Ng6 19.Nf7) 1–0. onur604 (2320) – anasjazaerly (1950), lichess.org, 2020.

6.d4 Re8 7.Be2 (7.Nc3 d5=) 7...e6 (7...a6 8.a4=+) 8.a4 a6 (8...Nbd7 9.0-0=) 9.0-0 c6 (9...ab5 10.ab5 Ra1 11.Ba1=) 10.c4 (10.Nc3 Nbd7+=) 10...Ne4 (10...ab5 11.ab5 Ra1 12.Ba1=) 11.Nbd2 (11.Qd3 Nf6+-) 11...Nd2+= 12.Qd2 ab5 13.ab5 Ra1 14.Ra1 cb5 15.cb5 Nd7 16.Qc2 e5 17.de5 Ne5 (17...de5 18.e4+-) 18.Ra8 Nf3 (18...Nd7!?+-) 19.Bf3+- (19.gf3?! Rf8 20.f4 Bf5 21.Rd8 Bc2 22.Rf8 Kf8 23.Bg7 Kg7=) 19...d5 20.Bg7 Kg7 21.h3 Qd7 22.Qc3 f6?? (better 22...Kg8+-) 23.Bg4 Qg4 (23...Qb5 24.Rc8 Rc8 25.Qc8 Qb4+-) 24.hg4 1–0. DEFFM – guno, freechess.org, 2019.

6.d4 Bg4 7.Nbd2 c6 (7...a6 8.a4=+) 8.a4 Qa5 (8...a6 9.Bd3=) 9.Bd3= Bf3 (9...Nbd7 10.0-0+=) 10.Qf3+= cb5 (better 10...Nd5!?+=) 11.ab5 Qb6 12.0-0 Nbd7 13.Rfb1 Rac8 (13...e5 14.g4+-) 14.c4 (better 14.Nc4 Qc7 15.Ra7+-) 14...Kh8? (better 14...Ra8+-) 15.Bc3 e6 (15...d5+-) 16.Ba5 1–0. Anonymous – Anonymous, lichess.org, 2020.

6.d4 Bg4 7.Be2 c6 8.a4 Qc7 9.0-0 Bf3 (9...a6 10.Na3=) 10.Bf3+= e5 11.Nd2 ed4 12.ed4 Nbd7 13.c4 Rfe8 14.Qc2 d5? (better 14...cb5!? 15.ab5 d5+=) 15.cd5+- Qf4 (15...c5+-) 16.dc6 bc6 17.g3 Qh6 18.bc6 Nb6 19.Rfe1 Nfd5 20.Nc4 Nb4?! (20...Nc4 21.c7 Nc7 22.Ba8 Ra8 23.Qc4 Ne6+-) 21.Qb3 N6d5 (21...Nc4 22.Qc4 Qd2 23.Bc3+-) 22.Bd5 (22.Re8 Re8 23.Nd6 Rf8 24.Bd5 Nd5 25.Qd5 Qd2 26.Nf7 Bf6+-) 22...Nd5 (22...Re1 23.Re1 Nd5 24.Qb7+-) 23.Re8 Re8 24.Nd6 Nc7 (24...Rf8 25.Qd5 Qd2 26.Nf7 Bf6+-) 25.Qf7 (25.Qf7 Kh8 26.Ne8+-) 1–0. onur604 (2315) – xaahi (2120), lichess.org, 2020.

6.Be2 b6 7.0-0 Bb7 8.c4 c5 9.d4 (9.Nc3 a6=) 9...Ne4 (9...a6 10.dc5 dc5 11.Nc3=) 10.Nbd2 Nd7 11.Ne4 Be4 12.Ng5 Bb7 13.Bf3 White prepares d5 13...Bf3 14.Nf3 (worse 14.gf3 e5 15.f4 cd4 16.ed4 ef4-/+; 14.Qf3?! e5 15.Qg3 ed4 16.ed4 a6=+) 14...Nf6 (14...a6 15.a4=) 15.Qc2 Qc7 16.a4 (16.d5 a6 17.a4 Ng4=) 16...Rfc8 (16...cd4 17.Nd4 Ng4 18.Rfc1=) 17.d5+= a6 18.e4 ab5 (18...Rd8 19.Rfd1+=) 19.ab5 Qd7 20.Ra6 Ra6 21.ba6 Ra8 22.Ra1 b5 (22...Qc8 23.a7 Qb7 24.Qa4=) 23.e5+- Ne8 24.e6 fe6 25.de6 Bb2?? (better 25...Qc6 26.Bg7 Ng7 27.cb5 Qb5+-) 26.ed7+- Ba1 27.Qe4 Nc7 28.Qa8!! Na8 (28...Kf7 29.d8Q Na8 30.a7 Nb6 31.Qb6 Bg7 32.a8Q Kf6 33.Qa1 Kf5 34.Qg7 Ke4 35.Qe7 Kd3 36.Qe3 Kc4 37.Nd2 Kb4 38.Qb3) 29.d8Q (29.d8Q Kf7 30.a7 Nc7 31.Qc7 h6 32.a8Q g5 33.Qcc8 Bg7 34.Qd5 Kg6 35.Qe8 Kh7 36.Qe4) 1–0. DEFFM – GuestTKBK, freechess.org, 2019.

6.Be2 Nbd7 7.c4 e5 8.0-0 Re8 9.d3 a5 10.a4 Nc5 11.Nbd2 Bf5 12.d4 ed4 13.Nd4 Bd3 14.Bd3 Nd3 15.Qc2 Nb2 16.Qb2 Nd7 17.Rad1 Nc5 18.Qc2 h5 19.N2f3 Qf6 20.Ne2 (better 20.Rfe1!?=) 20...Qc3?? (better 20...Qb2 21.Qb2 Bb2-/+) 21.Nc3+- 1-0. Antares_Sco (1790) - matsuiy (2305), Hourly Blitz Arena, lichess.org, 2019.

6.Be2 Nbd7 7.d4 c5 8.0-0 b6 9.Nbd2 Bb7 10.c4 Qc7 11.d5 a5 (11...e6 12.e4=) 12.Qc2 e5 13.de6 (13.a3 Rae8+=) 13...fe6= 14.Ng5 Rae8 15.f4 d5 16.Rad1 e5 (better 16...Re7!?=) 17.f5 d4 (17...Bh6!? 18.Ne6 Be3 19.Kh1 Qd6 20.cd5 Bd4+/-) 18.Ne6+- (18.fg6?! h6 19.Nh7 Nh7 20.gh7 Kh8+/-) 18...Re6 19.fe6 Nb8 20.ed4 ed4 21.Bf3 Re8 22.Rfe1 Re7 (22...Bc8 23.Bd5+/-) 23.Bb7+- Qb7 24.Nf3 Ne8 (24...Qc8 25.Qe2+-) 25.Bc1 Nc7 26.Ng5 Qc8 27.Bf4 Ne8 (27...Bf6 28.Bc7 Qc7 29.Nf7+-) 28.Qd3 Nf6 29.Be5 (better 29.Qf1 h6 30.Nf3+-) 29...Nbd7? (29...Ne8+-) 30.ed7 Qd7 31.Bf4 Nh5 32.Qf3 h6 (32...Nf4 33.Qf4 h6 34.Qb8 Bf8 35.Nh3+-) 33.Re7 (33.Qa8 Bf8 34.Re7 Qe7 35.Qd5 Kh8 36.Be5 Ng7+-) 33...Qe7 34.Qd5 Kh8 35.Qa8 Bf8 (35...Qf8 36.Qf8 Bf8+-) 36.Be5 Kg8 37.Qd5 (37.Qd5 Qe6 38.Qe6) 1-0. onur604 (2320) - Ali1497 (2160), Casual Rapid game, lichess.org, 2021.

6.Be2 Nbd7 7.d4 Ne4 8.0-0 c5 9.Nbd2 (9.bc6 bc6 10.Nbd2 Rb8=) 9...Nd2 10.Qd2 Nf6 11.c4 b6 12.Bd3 a6 13.a4 ab5 (13...Bb7 14.d5+=) 14.ab5+= Ra1 15.Ra1 Bb7 16.d5 Qd7 17.Ng5 (17.e4 e6+-) 17...Ra8 18.Ra8 Ba8 19.h3 e6 20.de6 fe6 21.Qc2 h6 22.Nf3 Bf3 23.gf3 g5 24.f4 gf4 25.ef4 d5 26.f5 d4 27.fe6 Qe6 28.Kg2 Nh5 (28...Qf7 29.Bc1=) 29.Bc1+= Qe5 30.Qa2 Nf4 31.Bf4 Qf4 32.Qa8 Bf8 33.Qd5 Qf7 34.Qc6 Qg7 (better 34...Qa7!?+-) 35.Kf1+- Qg5 36.Qb6 The passed pawn on b5 will quickly become a dangerous weapon 36...Qc1 37.Ke2 Threatening mate: Qe6 37...Qg5 38.Qe6 Kg7 39.Be4 Qh5 40.Kf1 Qd1 41.Kg2 Do you see the mate threat? 41...Qh5 42.b6 Qg5 (42...Qf7 43.Qg4 Kh8+-) 43.Kf1 Qe7 (43...Qf6 44.Qg4 Kh8+-) 44.Qg6 Kh8 45.b7 (45.b7 Qc7 46.b8Q Qg7 47.Qf8 Qf8 48.Qh7) 1–0. onur604 (2320) – Bojanov (1935), lichess.org, 2020.

6.Be2 Nbd7 7.d4 Re8 8.0-0 e5 9.a4 ed4 10.ed4 Ne4 11.Nbd2 Ndf6 12.c4 Qe7 (12...d5 13.Ne4 Ne4 14.Re1=) 13.Bd3 (13.Ne4 Ne4 14.Re1 Be6+=) 13...Bf5 (13...d5 14.Re1 Qb4 15.Ba3+=) 14.Nh4 (14.Re1+=) 14...Nd2 (14...Bg4!? 15.f3 Nd2 16.Qd2 Qe3 17.Qe3 Re3=) 15.Nf5+- (worse 15.Qd2 Bd3 16.Qd3 Qe4 17.Qe4 Re4=+; 15.Bf5?? Nf1 16.Qf1 Qe2–+) 15...gf5 16.Qd2 Ne4 17.Qc2 Qh4 18.Rae1 (better 18.Rad1+-) 18...Re7? (better 18...Ng5+-) 19.f3+- Ng5?! (19...Nc5 20.g3 Bd4 21.Kh1 Qf6 22.Bd4 Qd4 23.Re7 Nd3 24.Rc7 Rb8+-) 20.Re7 Nf3 21.Rf3 (21.gf3 Qe7) 21...Qe7 22.Bf5 Qe1 23.Rf1 Qe3 24.Kh1 Bd4 (24...h5 25.Bh7 Kh8 26.Be4+-) 25.Bh7 Kh8 (25...Kg7 26.Be4+-) 26.Be4 Bb2 (26...Re8 27.Bd4 Qd4 28.Bb7 Re5+-) 27.Qb2 Kg8 28.Bh7! Kf8 (28...Kh7 Deflection from f7 29.Rf7) 29.Qf6 Qe7 (29...Qe8 30.Qh6 Ke7 31.Re1 Kd8 32.Qf6 Kd7 33.Bf5 Qe6 34.Qf7 Kd8 35.Qf8 Qe8 36.Re8) 30.Qh8 1–0. onur604 (2320) – paglu (2025), lichess.org, 2020.

6.Be2 Be6 7.d4 Bd5 (7...c6 8.c4=) 8.c4+= Bf3 (8...Be6 9.0-0+=) 9.Bf3 (worse 9.gf3 a6=) 9...d5 (9...c6 10.0-0+=) 10.Nc3 e6 11.0-0 c6 12.a4 a5 13.Qc2 dc4 14.Qe2 Nd5 (14...Qd7 15.Qc4 Rc8 16.Rac1+-) 15.Qc4+- Re8 16.Ne4 f5 17.Nc5 Qc7? (better 17...b6 18.Nd3 cb5 19.Qb5 Na6+-) 18.Ne6!+- Re6?? Decoy theme: e6 (18...Qf7 19.Ng7 Kg7 20.bc6 bc6+-) 19.Bd5 A pinning theme 19...cd5 (19...Kh8 20.Be6 f4+-) 20.Qc7 (20.Qc7 Nc6 21.Qb7+-) 1–0. DEFFM – GuestMLZX, freechess.org, 2019.

6.Be2 Bf5 7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 (10...e5 11.d4 e4 12.Nfd2=) 11.Nd4 Bd7 12.c4 Ne4 (12...e5 13.Nf3=) 13.Nc3 Nc3 14.Bc3 c5 15.Nf3 Bc3 16.dc3 Qa5 17.Qd2 Bf5 18.Ng5 Nd7 (18...Kg7 19.e4 Bc8 20.f4+=) 19.e4+= Be6 20.Ne6 fe6 21.f4 Nb6 (21...Nf6 22.Qe3+=) 22.Bg4 (22.f5 Nd7+= (worse 22...ef5 23.ef5 Qa8 24.Qe3+-)) 22...e5 (22...Kf7 23.Qd3 Qa4 24.f5 ef5 25.ef5+-) 23.Be6+- Kg7 24.fe5 (24.f5 h6+-) 24...Rf1= 25.Kf1 Qa1 (25...de5 26.Qg5 Qc3 27.Qe7 Kh6 28.Qh4 Kg7 29.Qd8=) 26.Qe1 (26.Kf2 de5 27.h4 Qa8+=) 26...Qe1 27.Ke1 de5 28.Bd5 Nd5 29.cd5 (worse 29.ed5 Kf6-/+) 29...c4 (better 29...Kf7=) 30.h4?? (better 30.Kd2+-) 30...Kf7–+ 31.g4? (31.Kd1 e6 32.d6–+) 31...e6 32.Ke2 Ke7 33.Kf3 Kd6 34.h5 (34.de6 Ke6 35.Ke3–+) 34...ed5 35.hg6 (35.ed5 Kd5 36.b6–+) 35...hg6 36.Ke3 g5 37.ed5 Kd5 38.b6 e4 39.Kd2 Ke6 ½–½. guest295 – anon2, chessclub.com, 2019.

6.Be2 Bg4 7.0-0 c6 8.a4 Qb6 9.c4 Nbd7 10.Nc3 Nc5 (10...cb5 11.a5 Qc5 12.cb5+=) 11.a5 Qc7 12.d4 Nce4 13.Ne4 Ne4 14.Qc2 Bf5 (better 14...Nf6!? 15.Qb3 c5+=) 15.Bd3+- cb5 16.Be4 Be4 17.Qe4 bc4 18.Bc3 e6 19.Rab1 d5 20.Qh4 h6 21.Rb5 g5 22.Qh5 b6 23.h4 (23.Rfb1 Rab8+-) 23...f6 24.Rfb1 Rab8 25.Qg6 Kh8 (25...gh4 26.e4 ba5 27.ed5 Rb5 28.Rb5+-) 26.hg5 hg5 27.ab6 ab6 28.e4 de4 29.Qe4 Qd6 (29...Rfe8+-) 30.Bb4 Qd7 31.Bf8 Rf8 32.Rb6 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.d4 c5 10.c4 a6 11.Nbd2 ab5 12.ab5 Ra1 13.Qa1 b6 (13...cd4 14.ed4 Nh5 15.Re1=) 14.h3+= Bf3 15.Bf3 (worse 15.gf3 cd4 16.Bd4 e5=) 15...Qb8 16.Bc6 Qc7 17.Nf3 h6 (17...cd4 18.ed4 (worse 18.Bd4 Nb8=+) 18...Nb8 19.d5+=) 18.Qb1 (18.d5 Nb8+/-) 18...Nb8 19.d5 Nbd7 20.Nh4 (20.Qd3!?+/-) 20...Ne5 21.Qc2 Kh7 22.Ra1 Rd8 23.f4 Ned7 (23...Nc6 24.dc6 Kh8 25.Ra6+/-) 24.Ra2 Nh5 25.f5 Bb2? (better 25...Nf8+/-) 26.fg6+- (26.Rb2?! Ne5+=; 26.Qb2?! Ne5+/-) 26...Kg7 27.Qb2 f6 (27...Ne5 28.gf7 Kf7+-) 28.Qe2 Ng3 29.Qg4 Ne5 30.Qg3 Nc4 (30...Kg8 31.Nf5 h5+-) 31.Nf5 Kg8 32.Nh6 Kg7 33.Nf5 Kg8 34.Qh4 e6 (34...Ne5 35.Qh7 Kf8 36.Qg7) 35.de6 Ne5 (35...Ne3 36.e7 Qe7 37.Ne7 Kg7 38.Qh7 Kf8 39.Qf7) 36.Bd5 (36.Bd5 Qe7 37.Qh7 Qh7 38.e7 Kh8 39.ed8Q Qg8 40.Qg8) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.h3 A) 6...Nbd7 7.d4 (7.Nc3 Nc5 8.d4 Nfe4 9.Ne4 Ne4 10.Bd3 d5 11.0-0 Bf5 12.c4; 7.Be2 Nc5 8.Nc3 Nfe4 9.0-0 Bd7 10.d4 Nc3 11.Bc3 Ne4 12.Ba5; 7.Bc4 Nb6 8.Bb3 a6 9.ba6 Ra6 10.Nc3 c5 11.Qe2 d5 12.a3; 7.a4 Nc5 8.Nc3 Nfe4 9.Be2 Bc3 10.Bc3 Nc3 11.dc3 e5 12.0-0) 7...Nb6 8.Nc3 Be6 9.Ng5 Bc4 10.Bd3 a6 11.a4 ab5 12.ab5; B) 6...a6 7.Nc3 (7.a4 ab5 8.Bb5 c6 9.Bc4 Nbd7 10.Nc3 d5 11.Bd3 Nc5 12.0-0; 7.Na3 ab5 8.Nb5 Nbd7 9.Be2 Nc5 10.0-0 Bd7 11.Nc3 Nfe4 12.Ne4) 7...ab5 8.Bb5 Nc6 9.0-0 d5 10.a4 Be6 11.Qe2 Qd6 12.Ba3.

6.a4 Nbd7

7.Nc3+= a6 8.Be2 e5 9.0-0 Re8 10.e4=.

7.Nc3+= c5 8.Be2 d5 9.0-0 e5 10.a5=.

7.Nc3+= Nc5 8.d4 Ne6 9.Bd3 c5 10.bc6=.

7.Nc3 Nc5 8.Be2 Nfe4 9.0-0 Nc3 10.Bc3 Bc3 11.dc3 e5 12.Bc4.

7.Nc3+= d5 8.Be2 c5 9.bc6 bc6 10.Rb1=.

7.Nc3+= Ne4 8.d4 Nc3 9.Bc3 d5 10.Be2=.

7.Nc3+= e5 8.Be2 a6 9.0-0 Re8 10.ba6=.

7.Nc3+= Re8 8.Be2 d5 9.0-0 a6 10.ba6=.

7.Bc4 d5 8.Be2 Nc5 9.0-0 Bf5 10.Nc3 Qd6 11.Nd4 Bd7 12.f4.

7.d4 Ne4 8.Nbd2 d5 9.Be2 Ndf6 10.0-0 Qd6 11.Ne5 Nd2 12.Qd2.

7.d4 Re8 8.Be2 c5 9.0-0 Qc7 10.c4 (10.a5 cd4 11.ed4 d5=) 10...e5 (10...cd4 11.ed4 e5 12.a5=) 11.Nc3 b6 (11...cd4 12.ed4 ed4 13.Qd4=) 12.de5+= de5 13.e4 Bb7 14.Nd5 (14.Qd3 Red8+=) 14...Bd5 15.ed5 e4 16.Ng5 Qf4 (16...Qd6 17.Qb3=) 17.Nh3 Qh4 (17...Qd6 18.Qd2=) 18.a5 h5 (18...a6 19.ab6 ab5 20.b7=) 19.ab6 (19.Qa4 Rad8+-) 19...ab6+= 20.Ra6 Rab8 (20...Rad8 21.Bc1 Nh7 22.Bf4+-) 21.Qa1 (21.Bc1 Nh7+-) 21...Bh6 (21...Re7 22.Qc1+-) 22.Ra7 e3 (22...Rbd8!?+-) 23.f4+- Bg7? (23...Red8 24.Bf6 Nf6 25.Qe5+-) 24.f5 (better 24.Bc3!? Rbc8+-) 24...g5 25.Rd7! Nd7 Exploits the pin 26.Bg7 Eliminates the defender g7 26...g4 (26...Ra8 27.Qb2 g4 28.Nf4+-) 27.Nf4 f6? (27...Ra8 28.Qc3 Qg5+-) 28.Ne6 Kf7 (28...Ra8 29.Qc3 Ra2+-) 29.Qa7 Re7 30.g3 Qh3 31.d6 h4 32.Nf4 (32.Nf4 Qf1 33.Kf1+-; 32.de7 hg3 33.e8Q Ke8 34.hg3 Qg3 35.Kh1 Qh3 36.Kg1 g3 37.Bh5 Qh5–+) 1–0. onur604 (2320) – Chokaa (2200), lichess.org, 2020.

7.Be2 a5 8.0-0 Re8 9.d4 e5 10.de5=.

7.Be2 a6 8.0-0 e5 9.d4 Qe7 10.c4=.

7.Be2 c5 8.0-0 d5 9.a5 Re8 10.d4=.

7.Be2 Nc5 8.0-0 Nd5 9.Bg7 Kg7 10.c4 Nf6 11.Nc3 Bf5 12.d4.

7.Be2 Nc5 8.0-0 Bf5 9.Nc3 Nfe4 10.Nd4=.

7.Be2 d5 8.0-0 a6 9.Nc3 e5 10.ba6=.

7.Be2 e5 8.0-0 a6 9.d4 Qe7 10.c4=.

7.Be2 Re8 8.d4 a6 9.0-0 c5 10.dc5=.

7.h3 Nc5 8.Nc3 Nfe4 9.Be2 Bc3 10.Bc3 Nc3 11.dc3 e5 12.0-0.

6.a4 e5

7.Nc3 e4 8.Nd4 c5 9.bc6 Nc6 10.Nc6 bc6 11.Rb1 Rb8 12.Be2.

7.Bc4 d5 8.Be2 e4 9.Nd4 c5 10.bc6 Nc6 11.Na3 a6 12.0-0.

7.d3 a6 8.c4 (8.Be2 ab5 9.ab5 Ra1 10.Ba1 Bd7= (10...Nbd7 11.0-0 Nc5 12.Nbd2) 11.Nc3 c6 12.d4; 8.Nc3 Nbd7 9.Be2 Nc5 10.0-0 Bd7 11.d4 ed4 12.Nd4) 8...Nbd7 (8...c6 9.Be2= (9.Nc3 Nbd7 10.Be2 ab5 11.cb5 Nc5 12.0-0) 9...ab5 10.cb5 cb5 11.ab5 Ra1 12.Ba1; 8...ab5 9.cb5 Bf5 10.Nc3 Nbd7 11.Be2 e4 12.Ne4) 9.Nbd2 (9.Be2 Nc5= 10.Nc3 ab5 11.cb5 Be6 12.0-0) 9...Nc5 (9...Ne8 10.Be2= e4 11.Nd4 ed3 12.Bd3) 10.Be2 Bf5 11.Nb3 (11.e4 Bg4= (11...Bd7 12.0-0) 12.0-0) 11...e4 (11...Nb3 12.Qb3 ab5 13.ab5 Ra1 14.Ba1 Qd7=) 12.Nc5 (better is 12.de4!? Nb3 13.Qb3 Be4 14.0-0=) 12...ef3-/+ (12...dc5?! 13.de4 Be4 14.0-0=) 13.Bf3 dc5 14.Bb7 Rb8 15.ba6 (15.Ba6 Bd3 16.Be5 Ne4 17.Bg7 Kg7–+) 15...Bd3 16.Qb3 Be4 17.0-0 (17.f3 Bc6!-/+) 17...Qd6 (17...Qc8 18.Ra2–+) 18.Qb5 (18.f3!? Bb7 19.ab7-/+) 18...Ng4–+ 19.g3 Bb2 20.Qb2 Ne5 21.f4? (better is 21.Qa2 Nf3 22.Kg2–+) 21...Nf3! (21...Nc4?! 22.Qc3 Qe6 23.Rfc1–+) 22.Kf2 (22.Rf3 Bb7) 22...Qa6 23.Qb1 Bb7 0–1. Genne,Rene – Maeser,Fabian, Lenk op, 1990.

7.d3 Nbd7 8.Nc3 Nc5 9.Be2 Bd7 10.0-0 Qe7 11.d4 ed4 12.Qd4.

7.Be2 Nbd7 8.0-0 Nc5 9.d4 ed4 10.ed4 Nce4 11.Bd3 Bg4 12.c4 (12.Re1 Ng5 13.Nbd2 Nd5=) 12...d5 13.Re1 Re8 14.Nbd2 Nd2 15.Re8 (better 15.Qd2!? dc4 16.Bc4 Bf3 17.gf3=) 15...Ne8-/+ 16.Qd2 Bf3 17.gf3 dc4 (17...Qh4 18.Qc3-/+ (18.cd5? Bh6 19.Qc2 Bf4–+)) 18.Bc4 Nd6 19.Bd5 (19.Bd3 Qh4 20.Qc3 Re8-/+) 19...Qf6 (better 19...Qh4!? 20.f4 Bh6–+) 20.Rc1=+ Qf5 (20...Rc8 21.Ba3=+) 21.Rc5= Qd7 22.Qf4 Re8 23.Bc3 Bf8 24.h4 (24.Bb3 Bg7=) 24...h5 (24...Nf5 25.Qc7 Rd8 26.Qe5 Nh4 27.Qf6=+) 25.Bb3= Nf5?? (better 25...Bg7=) 26.Rc7+- Bd6 27.Rd7 (27.Rd7 Bf4 28.Bf7 Kf8 29.Bb4 Re7 30.Bg6+-) 1–0. DEFFM – olma, freechess.org, 2019.

7.Be2 e4 8.Nd4 c5 9.Nb3 Be6 10.0-0 Nbd7 11.d4 c4 12.N3d2 d5 13.a5 (13.Ba3 Re8=+) 13...a6 14.b6 Nb8 15.f3 (15.Nc3 Nc6=+) 15...ef3-/+ 16.Bf3 Nc6 17.Kh1 (17.Nc3 Re8-/+) 17...Re8 18.e4 de4 19.Ne4 Ne4 20.Be4 Bd5 (20...Nd4?! 21.Bb7 Rb8 22.Ba6=) 21.Bf3 Qd7 22.c3 (22.Bd5 Qd5 23.Nc3 Qd4-/+) 22...Re3–+ 23.Nd2 Rae8 24.Kg1 Bf3 (24...Bh6 25.Bd5 Qd5 26.Nf3–+) 25.Nf3-/+ Qd5 26.Qa4 Re2 27.Ra2 (27.Rae1 Bh6 28.Re2 Re2–+) 27...f5 (27...g5 28.Ba1 g4 29.Re2 Re2 30.Nh4–+) 28.Rf2 (28.Bc1 Ra2 29.Qa2 Na5-/+) 28...Rf2 29.Kf2 Qe6 (29...Bh6!?-/+) 30.Bc1=+ h6 31.h3 g5 32.Bd2? (better 32.Qd1!?-/+) 32...g4–+ 33.Ng1 Nd4! 34.cd4 Bd4 35.Kf1 gh3 36.gh3 Qd5?? (better 36...Kh7 37.Bc3 Bg1-/+) 37.Qe8+- Kg7 38.Bf4 Bg1 (38...c3 39.Rg2 Qg2 40.Kg2 c2 41.Qd7 Kf6 42.Qd4 Ke7 43.Qd6 Kf7 44.Nf3 Kg7 45.Qe7 Kg6 46.Nh4 Kh5 47.Kg3 c1Q 48.Qf7) 39.Rg2 (39.Be5 Kh7 40.Qh8 Kg6 41.Qf6 Kh5 42.Qf5 Kh4 43.Qg4) 39...Kh7 (39...Qg2 40.Kg2 Bd4 41.Qd7 Kf6 42.Qd4 Ke7 43.Qd6 Kf7 44.Qd7 Kf6 45.Qe8 h5 46.Be5 Kg5 47.Qe7 Kg6 48.Qg7) 40.Qg6 Kh8 1–0. onur604 (2320) – ShaahZero (2405), lichess.org, 2020.

7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.Nc6 bc6 11.Nc3 Rb8 12.Rb1.

7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.f3=.

7.Be2 Bf5 8.0-0 h5 (8...Re8 9.d4=) 9.Nh4 (9.d4 e4 10.Nfd2 h4+=) 9...Be6= 10.Nf3 Nbd7 11.Ng5 Bf5 12.f3 d5 (12...Bh6 13.h4=) 13.Ba3+= Re8 14.e4 de4 15.Bc4 Be6 16.Be6 fe6 17.Nc3 ef3 18.Qf3 (worse 18.Nf3 e4 19.Nd4 Nb6=+; worse 18.Rf3 e4 19.Rg3 Nb6=+) 18...e4 19.Nge4 Ne4 20.Ne4 Ne5 21.Qf4 Qd7 (21...Qd4!? 22.Kh1 Kh8+/-) 22.Rae1 (22.Nf6 Bf6 23.Qf6+-) 22...b6? (22...Qd4!? 23.Kh1 Kh8+-) 23.Qg5 (23.Nf6 Bf6 24.Qf6 Nc4 25.Qg6 Qg7 26.Qh5 Na3+-) 23...Kh7 (better 23...Qd4 24.Kh1 Kh8+-) 24.Nf6 Bf6 25.Rf6 (25.Qf6?! Nc4 26.Bc1 Rf8+/-) 25...Qd4 26.Kh1 1-0. onur604 (2320) - cobraabro (2130), Casual Rapid game, lichess.org, 2021.

6.c4 e5

7.d4 ed4 8.ed4 a6 9.a4 (9.Be2 ab5 10.cb5 Re8=+) 9...ab5 (9...d5 10.Be2=+) 10.ab5 (10.cb5 Bf5=+) 10...Ra1-/+ 11.Ba1 Re8 (11...Nh5 12.Qd2-/+) 12.Be2=+ Bg4 (12...Nh5 13.Qd2=+) 13.0-0 Nbd7 14.Re1 Nb6 (14...Qa8 15.Nbd2=+) 15.Nbd2 (15.h3 Bf5=) 15...Qe7 (15...Qa8 16.Bd3=+) 16.h3= Bd7 17.Bd3 Qd8 18.d5 Re1 19.Qe1 Qe8 20.Qc1 Nh5 21.Bg7 Ng7 22.Nd4 (22.Qa1 Qf8=) 22...Na4 (22...Qe7 23.Ne4=) 23.N2f3 (23.Ne4 Qe7+=) 23...Nc5= 24.Qc3 Ne4 (24...Nh5 25.Bc2=) 25.Be4 Qe4 26.Qa5 g5?? (better 26...b6 27.Qa7 Ne8=) 27.Qc7+- Bh3 (27...Nf5 28.Qd7 Nd4 29.Qf7 Kf7 30.Ng5 Kf6 31.Ne4 Ke5+-) 28.gh3 g4 29.hg4 Qg4 30.Kf1 Nf5 (30...Qe4+-) 31.Qc8 (31.Qc8 Kg7 32.Nf5 Kg6 33.Qg8 Kf5 34.Qf7 Ke4 35.Ke2 Qf5 36.Qe7 Qe5 37.Qh7 Kf4 38.Ne5 de5 39.d6 b6 40.d7 Kg4 41.d8Q e4 42.Qdh4) 1–0. GuestQVST – GuestGMQZ, freechess.org, 2020.

7.Be2 Be6 8.0-0 c6 9.a4 a6 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.d4 e4 14.Nd2 d5 15.Ba3 Re8 16.Bd6 Nf8 (better 16...dc4!? 17.bc6 bc6=) 17.c5+- Bg4 18.Bg4 Ng4 19.h3 Nh6 20.Qa7 Qd7? (better 20...Qc8+-) 21.Bf8+- Bf8?! (21...Kf8 22.bc6 Qc6+-) 22.bc6 Qc6 23.Rb1 Re7 (23...Rd8+-) 24.Rb6 Qd7 (24...Qc8 25.Nd5 Re6 26.Rb7+-) 25.Rd6 Qc8 (25...Qf5 26.Nd5 Qg5 27.Ne7 Qe7 28.Rb6+-) 26.Nd5 Re8 (26...Re6 27.Nb6 Qe8 28.Re6 fe6 29.Qb7 Nf7 30.Ne4 Kh8+-) 27.Nf6 Kg7 28.Ne8 Qe8 29.Rb6 Nf5 30.Rb7 Ne3 (30...Ne7+-) 31.fe3 h5 32.d5 Qc8 33.Rf7 Kg8 (33...Kh6 34.Qa1 Qf5 35.Qh8 Kg5 36.Qf8 Qe5 37.Rf4 h4 38.Ne4 Kh5 39.g4 hg3 40.Ng3 Kg5 41.h4) 34.Ne4 Qe8 (34...Qa6 35.Nf6 Qf6 36.Rf6 Bc5 37.Qf7 Kh8 38.Rg6 Be3 39.Kf1 h4 40.Rg8) 1–0. DEFFM – Gmdirham, freechess.org, 2019.

7.Be2 Bg4 8.0-0 c6 9.a4 a6 10.d4 e4 11.Nfd2 Be2 12.Qe2 d5 (12...ab5 13.cb5 Nbd7 14.Rc1=) 13.Nc3+= ab5 14.ab5 Ra1 15.Ra1 Nbd7 16.Qd1 Qc7 17.c5 (17.Qb3 Nb6+=) 17...b6 18.bc6 Qc6 19.Qa4 Qa4 20.Na4 bc5 21.dc5 Rc8 22.Bd4 Ng4 23.Nb6 (23.Rb1 Rc6+=) 23...Nb6 24.cb6 Bd4 25.ed4 Rb8 26.Rb1 e3 (26...Kf8 27.f3 ef3 28.Nf3+=) 27.fe3+= Ne3 28.Kf2 Nc4?? (better 28...Nc2+=) 29.Nc4+- dc4 30.Ke3 Kf8 (30...Kg7 31.d5 c3 32.Kd3+-) 31.d5 Ke7 32.Kd4 c3 33.Kc3 Kd6 34.Rb5 f5 (34...Rb7 35.Kd4+-) 35.Kd4 Rb7 36.Kc4 (better 36.Rb1 Rb8 37.b7 f4+-) 36...f4 (36...g5 37.Rb2 g4+-) 37.Kd4 g5 (37...Rb8 38.Ke4+-) 38.Ke4 h6 39.h4! Re7 (39...gh4 40.Kf4 Deflection) 40.Kf5 Rb7 (40...f3 41.gf3 Rf7 42.Kg4 Rf4 43.Kg3+-) 41.hg5 hg5 42.Kg5 Ke5 (42...Rg7 43.Kf4 Rg2 44.b7+-) 43.Kg6 Kd6 (43...Rb8 44.b7+-) 44.Kf5 Rf7 (44...f3 45.gf3 Kd7 46.Ke5+-) 45.Ke4 Rb7 46.Kf4 1–0. DEFFM – GuestLSQY, freechess.org, 2019.

7.h3 Bf5 8.Be2 Qd7 9.0-0 Qe7 10.Nc3 Nbd7 11.Nh4 Be6 12.a4 Nc5 13.Nf3 Rad8 14.d4 ed4 15.Nd4 Bc8 16.a5 Nfe4 17.Ne4 Ne4 18.Qc2 Ng5 19.Nf3 Bf5 20.Qb3 Bh6 21.Ng5 Qg5 22.Qc3 f6 23.Kh2 Be4 24.f3 Bf5 25.e4 Bc8 26.b6 ab6 27.ab6 c6 28.Ra8 Qf4 29.g3 Qg5 30.f4 Qc5 31.Qd4 Qb4 32.Bc3 Qb3 33.c5 dc5 34.Qc5 Qc2 35.Qc4 Kh8 36.e5 Qf5 37.ef6 Qh3 38.Kg1 Qg3 39.Kh1 Bh3 40.f7 Bg7 41.Bg7 Kg7 42.Rg1 Qh4 43.Rd8 Bf1 0–1. Abdullaevich (1690) – soo1 (1930), lichess.org, 2018.

6.d4 c6

7.a4 cb5 8.ab5 a6 9.Bd3 Bd7 10.0-0 a5 11.c4 b6 (11...d5 12.c5+-) 12.Nbd2+- e6 (12...d5 13.c5+-) 13.e4 d5 14.Ba3 White intends c5. White fights for the Initiative 14...Re8 15.c5 (15.Qa4 Nh5 16.Bd6 Bc8+-) 15...bc5 16.dc5 de4 (better 16...Ne4!? 17.Ne4 Ba1 18.Qa1 de4 19.Be4 Bb5 20.Ba8 Bf1 21.Qf1 Qc7+-) 17.Ne4+- Ne4 (17...Nd5 18.Rc1 Bf8 19.Bc4+-) 18.Be4 Ba1 19.Ba8 (19.Qa1?! Bb5 20.Ba8 Bf1 21.Qf1 Qc7+=) 19...Bg7 (19...Bb5 20.Qd8 (20.Qa1?! Bf1 21.Qf1 Qc7+-) 20...Rd8 21.Ra1+-) 20.c6 Bc8 (20...Qc7 21.cd7 Rd8+-) 21.Qd8 Rd8 22.c7 (22.c7 Nc6 23.cd8R Nd8 24.Rc1+-) 1–0. GuestJYSS – GuestVKVD, freechess.org, 2020.

7.a4= Nbd7 8.Nc3=+.

7.a4 a6

8.Nc3!?=.

8.c4 ab5 9.ab5 Ra1 10.Ba1 Re8 11.Be2 Bf5 12.Nc3 Nbd7 13.Nh4 Be6 14.0-0 d5 15.c5 h5 (15...cb5 16.Bb5 Qc7 17.f4+=) 16.Bd3 Bg4 17.f3 Be6 18.Qc2 Nf8 19.Re1 Bd7 20.f4 b6 21.Nf3 bc5 22.dc5 Qa5 23.Qa4 Qa4 24.Na4 cb5 25.Nb6 Ne4 26.Bg7 Kg7 (26...Nc5 27.Bf8 (27.Nd7?! Nd3 28.Bf8 Ne1 29.Ne1 Rd8 30.Be7 Rd7=) 27...Nd3 28.Rd1+/- (28.Nd7?! Ne1 29.Ne1 Rd8 30.Be7 Rd7=)) 27.Rc1+/- Rb8 28.Nd5 Nf6 29.Nb6 (better 29.Nb4!? Ne6 30.c6+/-) 29...Ne6= 30.Nd7 Nd7 Attacking the isolated pawn on c5 31.c6 Ndc5 32.Bb1 b4 33.f5 gf5 (33...Nb3!? 34.Rf1 gf5 35.Bf5 Nc7=) 34.Bf5+/- Na6 35.Be6 fe6 36.Ra1 b3 37.Ra6 b2 38.Nd2 Rd8 39.Rb6 Rd2 40.c7 Rc2 41.Rb2 Rc7 42.Rb5 Kg6 43.Kf2 Rc2 44.Kf3 h4 45.h3 Rc3 46.Rb4 Kh5 47.Re4 Rc6 48.Rg4 Rc5 49.Rg7 Rc7 50.Kf4 Kh6 51.Rg4 Kh5 52.Rg5 (52.Rg8 Rc4 53.e4 Rc5+-) 52...Kh6 53.Rg8 Rc4 54.Ke5 Kh7 55.Rg5 Kh6 56.Rg8 Kh7 57.Rf8 Rc2 58.Rf4 Rg2 59.Rh4 Kg6 60.Ke6 Rg3 61.e4 Kg5 62.Rh7 Kf4 63.Rh4 Kg5 64.Rh7 Kf4 65.e5 Rg6 (65...Rg5 66.Rh4 (66.Ke7?! Re5 67.Kf6 Rf5 68.Kg6 Rg5 69.Kf7 Rf5 70.Ke6 Re5 71.Kd6 Re1=) 66...Kf3 67.Rc4+- (67.Ke7?! Re5 68.Kf6 Kg3=)) 66.Kd5 (66.Ke7 Ke5 67.h4 Kf5+=) 66...Ra6 (66...e6 67.Kd6+-) 67.Re7 (better 67.Rf7!? Kg5 68.Re7 Ra5 69.Ke6 Ra6 70.Kf7+-) 67...Ra5 68.Kd4 Ra4 69.Kd5 (69.Kd3 Ra3 70.Kc4 Ra4 71.Kc3 Re4+/-) 69...Ra5 70.Kd4 Ra4 71.Kc5 (better 71.Kd3!?+-) 71...Ra5+= 72.Kd6 (72.Kc4 Re5 73.Rh7 Re2=) 72...Ra6= 73.Kc5 Ra5 74.Kc6 Re5 75.Rg7 Rh5 76.Rf7 Kg3 77.Rg7 Kh3 78.Rc7 Kg4 79.Kd6 Kf4 80.Ke6 Ke4 81.Re7 Re5 82.Kf6 Re7 83.Ke7 ½-½. onur604 (2320) - KirCAT (2400), Casual Rapid game, lichess.org, 2021.

8.Bd3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.0-0 Qa5 12.Bb2 Bd7 (12...Be6 13.Nc3 b4 14.Nb5-/+) 13.Nbd2 (13.Qe2 Na6 14.Nc3 b4=+) 13...Na6-/+ 14.Nb3 (14.c3 Rc8-/+) 14...Qb6 (14...Qa2 15.Bc3 Nd5 16.Bd2-/+) 15.Qd2 Rc8 16.e4 Ne8 (16...d5!? 17.ed5 Nd5-/+) 17.Ra1= Nec7 18.Qg5 White intends d5 (18.h4 h5=) 18...Bf6 (18...Re8 19.Qd2=) 19.Qd2= Ne6 20.Rb1 (20.h4 Qc7=) 20...b4=+ 21.d5 Bb2?? (better 21...Nec5 22.Bf6 A) 22...Nd3?? 23.Bd4 (worse 23.Qd3 ef6 24.h3 Rc3-/+) 23...Qd8 24.Qd3+-; B) 22...ef6 23.Nc5 Qc5=+) 22.de6+- Bc3 (22...Be6 23.Rb2 Nc5 24.Nc1+-) 23.ed7 Rd8 24.Qh6 Rd7? (24...Bg7 25.Qh3 h6+-) 25.Ng5 Bg7 26.Qh7 Kf8 27.Bc4 (27.Bc4 d5 28.ed5+-) 1–0. Anonymous – Anonymous, lichess.org, 2020.

8.Bd3 ab5-/+ 9.ab5 Ra1 10.Ba1 cb5 11.0-0 (11.Bb5?? Qa5 12.Nc3 Nd5–+) 11...Qb6 12.Nbd2 Bg4 (12...Nc6 13.Qe2-/+) 13.Qb1 Attacks the isolani on b5 13...Bd7 14.e4 Na6 15.Nc4 White intends e5 15...Qc7 16.Ne3 Qb6 (16...Ra8 17.e5 de5 18.Ne5=) 17.e5 Ne8 (17...de5 18.Ne5 b4 19.Re1=) 18.Nd5+= Qa5 (better 18...Qd8!?+=) 19.Ne7+- Kh8 20.ed6 (20.Be2 f6 21.h3 de5 22.de5 Qa3+-) 20...Nd6 21.Ne5 Be8 22.Qb3 Qa4 23.Qd5 Nc4 24.Qb7 Ne5 (24...Nb4 25.Nc4 bc4 26.Bc4 Nc2 27.Bb3+-) 25.de5+- Nb4 26.Qc7 Nd3 27.cd3 b4 (27...Qa3 28.d4 b4 29.Qb7+-) 28.Qd6+- Bb5?? (better 28...Qd7 29.Qb4 Qd3+-) 29.e6 Ba1 (29...Ra8 30.Bg7 Kg7 31.Nd5+-) 30.Ng6! hg6 (30...fg6 31.Qf8 Mate attack; 30...hg6 31.Qf8 Double attack (31.Qf8 Discovered attack)) 31.Qf8 Kh7 32.ef7 Bg7 (32...Bd3 33.Qg8 Kh6 34.f8Q Kg5 35.h4 Kg4 36.Qf3 Kh4 37.Qf4 Kh5 38.Qh7) 33.Qg8 Kh6 34.f8Q Bf8 35.Qh8 Kg5 36.f4 Kf5 37.Qe5 Kg4 38.Qg5 1–0. DEFFM – IronHard, freechess.org, 2019.

8.Bd3 ab5 9.ab5 Ra1 10.Ba1 Bd7 11.c4 cb5 12.cb5 Qb6 13.0-0 Nd5 14.Qb3 e6 15.Nc3 Nc3 16.Bc3 Rc8 17.Ra1 d5 18.Ba5 Qd6 19.Bb4 Qc7 20.Qa3 Bf8 (20...Qd8 21.Bd6+/-) 21.Bf8 Rf8 22.Rc1 Qb6 23.Ne5 f6 (23...Bb5? 24.Qb3+-) 24.Nf3 Kf7 (24...Bb5? 25.Qb4+-) 25.g3 Rc8 (25...Bb5? 26.Qb3 Nc6 27.Bb5+-) 26.Rc8 Bc8 27.Qc3 Bd7 28.Kg2 Ke7 (28...Bb5? 29.Qb3+-) 29.Qa3 Qd6 30.Qa7 Bc8 31.Qa8 Kd8 32.Qa1 Nd7 33.Qc3 Qc7 34.Qb4 Ke8 35.h4 b6 36.h5 Nf8 37.hg6 hg6 38.Nh4 Kf7 39.f4 Bd7 40.e4 (40.Qb1 Ke7+=) 40...de4= 41.Be4 Qc1 42.Kf2 Qa1 43.Nf3 Qa2 44.Ke3 Qa1 45.Kf2 Qa2 46.Ke3 Qa1 47.Bb1 Ke8 48.Nd2 Qa8 (48...e5 49.fe5 fe5 50.de5 Qe5 51.Qe4 Qe4 52.Ne4= (worse 52.Ke4 Bb5 53.Kd5 Kd7=+)) 49.Be4 Qa1 50.Bb1 Qa8 51.Nc4 (51.Ne4!? Kf7 52.Bd3+/-) 51...Qg2 52.Nd6 Kd8 53.Nf7 Kc8?? (better 53...Ke8 54.Nd6 Kd8=) 54.Qf8+- Kc7 55.Qd8 (55.Qd8 Kb7 56.Nd6 Ka7 57.Qc7 Ka8 58.Be4 Qe4 59.Ke4 f5 60.Ke5 Bc6 61.Qc6 Kb8 62.Qb7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Be2 a6

7.0-0 ab5 8.Bb5 Bd7 9.Nc3 Na6 10.h3 Nc5 11.Bc4 c6 12.d4.

7.Na3 ab5 8.Nb5 c6 9.Nc3 Na6 10.0-0 Bd7 11.h4 Qa5 12.d4.

7.a4 c5 8.c4 a5 9.0-0 Nbd7 10.d4 (10.Nc3 b6=) 10...Nb6 (10...cd4 11.ed4 b6 12.Qd2=) 11.Nbd2 (11.dc5 dc5 12.Qb3 Nbd7+=) 11...Nfd7 (11...cd4 12.ed4 Bf5 13.Qb3+=) 12.Qb3 Qc7 13.Bd3 (13.Rfe1 Nf6+=) 13...e5 (13...cd4 14.ed4 e5 15.Ne4 ed4 16.Bd4=) 14.d5+= f5 (14...Nf6 15.Rfe1+=) 15.Ng5 (15.e4 Nf6+=) 15...Nf6+= 16.e4 Qe7 17.Rfe1 (17.Ngf3 Nh5+=) 17...f4 (17...Nh5 18.h4+=) 18.Rac1 h6 (18...Nh5 19.Ngf3+=) 19.Ngf3 g5 20.h3 Nbd7 21.Nh2 b6 22.Be2 h5 23.Qd1 Qf7 24.Nhf3 Qg6 Black prepares the advance g4 25.h4 (better 25.Bc3!?+-) 25...g4=+ 26.Ng5 Bh6 27.Ne6 Rf7 28.Nd8 (28.Bd3 g3 29.f3 Nf8 30.Nf8 Bf8=+) 28...Rg7 29.Bd3 (better 29.f3=+) 29...Nf8 (29...g3 30.f3=+) 30.Nc6 (30.g3 Bb7 31.Nb7 Rb7+=) 30...Bd7 (30...g3 31.f3=+) 31.Qc2 (31.g3 Rf7+=) 31...N8h7 (31...g3!? 32.f3 Qe8=+) 32.Red1 (32.g3 Ne8+-) 32...Re8 (32...g3 33.f3=) 33.Re1 Bc8 (33...Ra8 34.g3+-) 34.Bc3 Nd7 35.Qb3 (35.Ra1 g3 36.Nf3 Nhf6 37.fg3 Qg3=) 35...Rf7 (better 35...g3 36.f3 Qf6-/+) 36.Rf1 Bg7 37.g3 Bh6 38.Rce1 Qf6 39.Re2 Ref8 40.Qc2 Kg7 41.Qd1 Re8 42.Ree1 Nhf8 43.Qb3 Ng6 44.Bb2 Ref8 45.Qa2?? (better 45.Qc2+=) 45...Nh4–+ 46.gh4?? (46.Kh2–+) 46...Qh4 (46...f3 47.Ne5 de5 48.Qa1–+) 47.f3 g3?? (better 47...Qg3 48.Kh1 Qh3 49.Kg1 Kh7–+) 48.Re2-/+ Nf6 0–1. Massudy (2075) – Demonique (2145), lichess.org Rated Rapid game, 2020.

7.ba6 Na6 8.Nc3 Nc5 9.0-0 Bd7 10.d4 Nfe4 11.Ne4 Ne4 12.h3) 7...ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.0-0 Nc5 11.Bd4 Nfe4 12.Nc3.

7.Nc3 ab5 8.Bb5 Nc6 9.0-0 d5 10.a4 Be6 11.d4 Na5 12.Qd2.

7.c4 ab5 8.cb5 Be6 9.a4 c5 10.0-0 Nbd7 11.Ng5 Bd5 12.Nc3 Ne4 13.Nd5 Bb2 ( 13...Ng5!? 14.Bg7 Kg7+=) 14.Ne4+/– Ba1 15.Qa1 Nb6? ( 15...Re8+-) 16.Ne7! Qe7 17.Nf6 Kg7 (17...Kh8 18.Nd5 Qe5 19.Nb6 Qa1 20.Ra1+-) 18.Nd5 (18.Nh5 Kh6 19.Qg7 Kg5 20.Ng3 Qe5 21.f4 Kh4 22.Qh7 Qh5 23.Qh5 gh5 24.Nf5) 18...Qe5+- 19.Qe5 de5 20.Nb6 Rad8 21.Bf3 Rd2 22.Bb7 Rb8 23.Nc4 Ra2 24.Bd5 Ra4 25.Ne5 Rb5 (25...f6 26.Nd7 Rb5 27.Bc6+-) 26.Bc6 (26...Rbb4 27.Ba4 Ra4 28.Rc1+-; 26.Bf7?! Re4 27.Nc4 Rb4+-; 26.Nf7?! Rb2+-) 1–0. Bonetti,Shane – Mre, ICC, 2002.

7.c4 Nbd7 8.Nc3 ab5 9.cb5 Nc5 10.0-0 Nd5 11.d4 Nc3 12.Bc3.

7.a4 ab5 8.ab5 Ra1

9.Ba1 b6 10.0-0 Bb7 11.c4 Nbd7 12.d4 e5 13.Nc3 ed4 14.Nd4 Re8 15.Bf3 Qa8 (15...Bf3 16.Nf3 Qa8 17.Bb2+=) 16.Bb2 (16.Bb7 Qb7 17.Nc6 Ra8+=) 16...Ne5 17.Bb7 Qb7 18.Qb3 (18.Qe2 Ne4+=) 18...Rd8 (18...Ne4 19.Ne4 Qe4 20.Rd1=) 19.Ra1 Ned7 (19...Ne4 20.Nd5 Nc5 21.Qc2+/-) 20.Qc2 (20.Qa2 Ne5+/-) 20...Nc5 21.Nb3 (21.Nc6 Ra8+/-) 21...Ra8 22.Nc5 bc5 23.Ra8 Qa8 24.Qb1 Nd7 25.Nd5 Nb6 (25...Bb2!? 26.Qb2 Qa4+=) 26.Bg7 Nd5 27.Qb2 (better 27.Ba1!? Nb6 28.Qb2+/-) 27...Qa4= 28.h4 (better 28.h3!? Qc4 29.Bh6=) 28...Qc4-/+ 29.Bh8 f6 (29...Kf8!?-/+) 30.Bf6= Nf6 31.Qf6 Qb5 32.Qe6 Kf8 33.Qf6 Ke8 (better 33...Kg8 34.Qd8 Kf7 35.Qc7 Ke6 36.Qh7 Qd3=) 34.h5 (34.Qh8!? Ke7 35.Qh7 Kf6 36.g4+=) 34...gh5 (34...Qb1 35.Kh2 gh5 36.Qe6 Kd8 37.e4-/+) 35.Qf5 (35.Qh8 Kd7 36.Qh7 Kc6 37.Qh5 Qb1 38.Kh2 c4 39.Qe8 Kc5=) 35...Qb4 (35...Kd8!?-/+) 36.Qh5 (36.Qc8 Ke7 37.Qc7 Ke6 38.Qc8 Kf6 39.Qd8 Ke5 40.Qe8 Kf6 41.Qd8 Ke5 42.Qe8 Kf6 43.Qd8=) 36...Kd8=+ 37.Qh7 (37.Qg5!? Kd7 38.Qf5 Kc6 39.g3=+) 37...Qe1-/+ 38.Kh2 Qf2 39.Qg8 Kd7 40.Qg5 c4 (better 40...Kc6!?-+) 41.Qg4=+ Kd8 42.Qc4? (better 42.Qg8!? Ke7 43.Qc4=+) 42...Qe3-/+ 43.Qh4 Kd7 44.Qg4 Kc6 45.Qg6 Qe5 46.g3 Qe2 47.Kh3 Qe5 48.Qg4?? (48.Kh2 Kb7 49.Kh3-/+) 48...Qd5 (48...Kd5 49.Qd1 Ke6 50.g4-+) 49.Qf4 Qc5 (49...Qd3 50.Qf6-/+) 50.Qg4 (better 50.g4-/+) 50...Qd5 51.Kh4 (51.Qf4 Qh5 52.Kg2 Qe2 53.Kh3 Kd7-/+) 51...Qc5 52.Qg5?? (52.Kh3 Qc3 53.Qe6-/+) 52...d5 (52...Qg5 53.Kg5 Kd7 54.Kg6-+) 53.g4 Qd6 (better 53...Qf2 54.Kh3 d4-+) 54.Qg6?? (54.Qd2 Kd7-/+) 54...d4 (54...Qg6 55.Kg3 Qd6 56.Kf2 d4 57.Kg2 d3 58.Kf3 d2 59.Kf2 Qd4 60.Kg3 d1Q 61.g5 Q1g4 62.Kh2 Qh8) 55.Qg5?? (55.Qc2 Kd7-+) 55...Qd5 (55...Qh2) 56.Qd2 Qd6 57.Qg5 Qd5 (57...Qh2) 58.Qf4?? (58.Qd2 Kd7-+) 58...Kc5 (better 58...d3 59.Qd2 Kd7-+) 59.Qf5?? (59.Qc7 Kb4=+) 59...Kc4 (better 59...Qf5 60.gf5 d3-+) 60.Qf1 (better 60.Qc2 Kb4 61.Qc7-/+) 60...Kc5 61.Qg2?? (better 61.Qf5 Qf5 62.gf5-+) 61...Kd6 (61...Qg2 62.Kg5 d3 63.Kh4 d2 64.Kh5 d1Q 65.Kg6 Qgg4 66.Kf7 Qdd7 67.Kf6 Qde6) 62.Qg1 (62.Qg3 Qe5 63.Qa3 c5 64.Qa6 Ke7 65.Qb7 Kf6 66.Qc6 Kg7-+) 62...Qc5 (62...c5!? 63.Qg3 Kc6 64.Qa3-+) 63.Qg3 (63.g5 Qd5-/+) 63...Kc6 (63...Qe5 64.Qa3 c5 65.Qa6 Ke7 66.Qb7 Kf6 67.Qc6 Kg7 68.g5-+) 64.g5 (64.Qf3 Kb5-/+) 64...Qd5 (better 64...Qf5-+) 65.Qg4?? (65.g6 d3-/+) 65...Kd6?? (65...Qh1 66.Kg3 Qg1 67.Kh3 Qg4 68.Kg4 Kd7-+) 66.Kh5 (66.g6 c5 67.g7=) 66...Qe5 67.Qf5?? (better 67.Qc8-+) 67...Qe6 (67...Qf5 68.Kh4 Qf3 69.g6 Ke5 70.Kg5 Qf4 71.Kh5 Kf6 72.g7 Qg5) 68.Qf6 (68.Qf4!? Kd5 69.g6 Qe2 70.Kh6+=) 68...Qf6 69.gf6 Ke6?? (better 69...d3 70.Kg6 d2-/+) 70.Kg6+- Kd7 (70...c5+-) 71.Kg7 (71.f7 Ke7 72.Kg7 Ke6+-) 71...Kd6?? (better 71...d3 72.f7 d2-/+) 72.f7+- Kd5 73.f8Q c5 (73...d3 74.Qf4+-) 74.Qf7 (74.Kf6 Kc4 75.Ke5 d3+-) 74...Ke4 75.Qf6 (75.Qc4 Ke3 76.Qc5 Ke4+-) 75...Ke3 76.Qe6 (76.Qe6 Kd2 77.Kf6+-) 1-0. CronusCR (2180) - shlykov (2325), Rated Bullet game, lichess.org, 2017.

9.Ba1 b6 10.d4 Bb7 11.0-0 Ne4 (11...c5 12.bc6 Nc6 13.Nc3+=) 12.Nbd2+= c5 (12...e6 13.c4+=) 13.c4 (13.bc6 Nd2 14.Qd2 Nc6+=) 13...cd4 14.Ne4 Be4 15.Nd4 (15.Bd4 e5 16.Bb2 Qc7+=) 15...e5 (15...Qc7 16.f3 Bb7 17.Nb3=) 16.Bf3 (16.Nf3 Qe7+=) 16...Bf3 (16...Qh4 17.Be4 Qe4 18.Qc2+=) 17.Nf3+= Nd7? (better 17...Qc7!?+=) 18.Qd6+- Nc5 (18...e4 19.Bg7 Kg7 20.Qd4 Nf6 21.Ne5+-) 19.Be5 Be5 (19...Qd6 20.Bd6 Rc8 21.Bc5 Rc5 22.Rc1+-) 20.Qe5 Re8 21.Qd4 Qe7 22.Rd1 1–0. DEFFM – GuestWLRN, freechess.org, 2019.

9.Ba1 b6 10.d4 Nbd7 11.0-0 d5 12.c4 e6 13.Nbd2 Bb7 14.Bb2 c6 15.cd5 cd5 16.Qb3 Ne4 17.Ne4 de4 18.Nd2 e5 19.Nc4 ed4 20.ed4 Bd5 21.Qg3 Re8 22.Qd6 Bc4 23.Bc4 Nf6 24.Qg3 Nh5 Attacks the isolani on d4 25.Qe3 Qc7 (25...Qd7 26.Ra1+=) 26.Bd5 Nf6 27.Bc6 Ng4? (better 27...Rc8+/-) 28.Qh3+- Rd8 (28...Nf6 29.Be8 Ne8 30.Rc1+-) 29.Qg4 Bd4 30.Bd4 Rd4 31.f3 (31.Be4?! f5 32.Qg5 Re4=) 31...Qe5 (31...f5 32.Qh4+-) 32.fe4 Re4 (32...Kg7+-) 33.Qe4 Qe4 (33...Qc5 34.Kh1 Kg7 35.Qf4+-) 34.Be4 Kf8 (34...Kg7 35.Bd5 f5 36.Re1+-) 35.Rf6 Ke8 36.Rb6 Ke7 37.Rc6 f5 38.Bd5 f4 (38...Kd8 39.b6 Ke7 40.b7 h6 41.b8Q g5 42.Qd6 Ke8 43.Rc8) 39.b6 g5 (39...Kd8 40.b7 g5 41.b8Q Kd7 42.Qd6 Ke8 43.Rc8) 40.b7 g4 (40...Kd7 41.b8Q h5 42.Qd6 Ke8 43.Rc8) 41.b8Q f3 (41...g3 42.Qd6 Ke8 43.Rc8) 42.Qb7 Kf8 (42...Ke8 43.Rc8) 43.Qf7 (43.Rc8) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.Ba1 c6 10.c4 cb5 11.cb5 Nbd7 12.0-0 Nc5 13.d4 Nce4 14.Nbd2 d5 15.Bb2 Bg4 16.h3 Bd7 (16...Bf5 17.Ne4 Ne4 18.Qb3=) 17.Ne4+= Ne4 18.Qb3 e6 19.b6 Kh8 (19...Bc6 20.Ra1+=) 20.Rc1 Bc6 21.Rc6 (better 21.Ba3 Rg8 22.Bd3+=) 21...bc6-/+ 22.Ba3 Re8 23.Bd3 Nd6 (23...Kg8 24.Ne5 Be5 25.de5=+) 24.Qa4 Qb6?? (better 24...Qd7=+) 25.Bd6+- Qb2 (25...Kg8+-) 26.Qc6 Rg8? (26...Qa1 27.Kh2 Qa8+-) 27.Ng5 h6 (27...Qa1 28.Bf1 h6 29.Nf7 Kh7 30.Bf4+-) 28.Nf7 Kh7 29.Ne5 Qa1 30.Kh2 Qd1 (30...Be5 31.Be5 Qa7 32.Qe6 Rg7 33.Bg7 Qg7 34.Qd5 Qf6+-) 31.Bg6 Kh8 32.Nf7 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.Ba1 c6 10.c4 Bd7 11.0-0 d5 12.Nc3 e6 13.Bb2 b6 (13...cb5 14.Nb5 dc4 15.Bc4 Bb5 16.Bb5+=) 14.d4 c5 (14...cb5 15.cb5 Re8 16.Qd3+-) 15.dc5 bc5 The passed pawn on b5 quickly leads to threats 16.Na4 Qc7 (16...dc4 17.Bc4 Qe7 18.Be5+-) 17.cd5+- ed5 18.Bf6 Bf6 19.Qd5 Qa5? (better 19...Rc8+-) 20.Nc5+- Bb5 (20...Bg4+-) 21.Ne4 (21.Ne4 Bg7 22.Bb5+-) 1–0. DEFFM – GuestTWSG, freechess.org, 2020.

9.Ba1 c6 10.c4 Bg4 11.Nc3 Nbd7 12.d4 Re8 13.h3 Bf3 14.Bf3 cb5 15.Nb5 e5 (15...d5!?+=) 16.Nd6+/- Qa5 17.Ke2 Rb8 (17...Re6 18.de5 (18.Nb7 Qa2 19.Qd2 Qc4 20.Ke1 Qa6-/+) 18...Ne5 19.Be5 (19.Bb7 Qa2 20.Ke1 Rd6 21.Qd6 Qa1 22.Qd1 Qc3 23.Kf1 Qc4 24.Kg1 Nd3-/+) 19...Qe5 20.Nb7+/-) 18.Qd2+- (18.Nb7 Qa2 19.Qd2 Qc4 20.Qd3 Qa2 21.Qd2 Qd2 22.Kd2 e4-/+; 18.Bb7?! Bf8 19.de5 Ne5+=) 18...Qc7 (18...Qa4 19.Rc1 (19.Bb7?! e4+=) 19...ed4 20.Bd4+-) 19.de5 Ne5? (19...Ne8 20.Bd5 Ne5 21.Be5 Be5 22.Nf7 Bg7+-) 20.Be5 Ne4 21.Be4 (21.Qd5 Be5 22.Ne4 Rd8+-) 21...Be5 22.Nb7 Qc4 (22...Rb7 23.Bb7 Qb7 24.Rd1+-) 23.Qd3 Qb4 24.Rb1 Bb2 (24...Qe7+-) 25.Qc2 Rb7 (25...Re8 26.f3 Re4 27.fe4 Qb7 28.Rb2 Qa6 29.Qd3+-) 26.Qc8 Kg7 27.Qb7 (27.Qb7 Qb7 28.Bb7+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.Ba1 Nbd7 10.0-0 Nc5 11.Bd4 Nfe4 12.Nc3.

9.Ba1 Nbd7 10.d4 b6 11.0-0= Bb7 12.c4 Qa8 (12...e5 13.Nc3=) 13.Nc3 Ne4 14.Qb3 Ndf6 (14...e5 15.Ne4 Be4 16.Bc3=) 15.h3 (15.Bb2 Qc8=) 15...e5= 16.Ne4 Ne4 17.Bb2 ed4 18.ed4 (18.Nd4? Nd2 19.Qc2 Nf1 20.Bf1 Qa2–+) 18...Re8 19.Re1 Qc8 20.Bd3 Nf6 21.Re8 Qe8 22.d5 Ne4 (22...Qe7 23.Bd4=) 23.Bg7 Kg7 24.Be4 Qe4 25.Qc3 f6 26.Nd4 Bc8 27.f3 Qe5 28.Kf2 Bf5 (28...Qh2 29.Kf1=) 29.Qe3+= Bb1?? (better 29...Kf7+=) 30.Ne6+- Kf7 31.Qh6 Qb2 32.Kg1 (32.Kg1 Qc1 33.Qc1 g5 34.Qb1 Kg8 35.Qf5 Kf7 36.Qh7 Ke8 37.Qg8 Ke7 38.Qf8 Kd7 39.Qd8) 1–0. DEFFM – aapp, freechess.org, 2019.

9.Ba1 Nbd7 10.d4 e5 11.0-0 Re8 (11...Qe7 12.c4=+) 12.de5= Ng4 13.Nbd2 Nge5 14.Nb3 (14.Ne5 de5 15.Ne4 Nb6=) 14...Nf3 15.Bf3 Ne5 16.Be2 Be6 17.f4 Nc4?? (better 17...Nd7 18.Bg7 Kg7=) 18.Bg7+- Ne3 (18...Kg7? 19.Bc4 Bc4 20.Qd4 Kg8 21.Qc4 Re3 22.f5+-) 19.Qa1 Nc2 (better 19...Nf1!? 20.Bh8 Kf8 21.Bf1 Bb3 22.cb3 d5+-) 20.Qb2 Bb3 21.Bh8 (21.Bh8 Kf8 22.Bd1+-) 1–0. DEFFM – DavidMorphy, freechess.org, 2019.

6.Be2 c5

7.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.0-0 c5 7.b5).

7.c4 a5 8.0-0= Nbd7 9.Qc2 Nb6 10.d3 a4 11.a3 Qc7 12.Nc3 e6 13.Rac1 Bd7 14.h3 d5 15.cd5 (15.Nd1!?+=) 15...ed5= 16.Na2 Rfc8 17.Be5 Qd8 18.Nc3 Qe7 19.Rfe1 Bf5 20.Qb2 Nbd7? (better 20...Be6!?=) 21.Nd5!+/- Nd5 (21...Qe6!? 22.Nf6 Bf6 23.Bf6 Qf6 24.Qf6 Nf6+-) 22.Bg7+- N5f6 (22...Be6 23.Bh6 f6 24.e4+-) 23.Bh6 b6 (23...Be6+-) 24.e4 Be6 25.Bg5 Bb3 (25...h6 26.Bh6 Bb3+-) 26.e5 1-0. onur604 (2320) - Swisschessboi (2235), Casual Rapid game, lichess.org, 2021.

7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Be6 11.0-0 Nbd7 12.Nc3 Nb6 13.d3 d5 14.cd5 Nbd5 15.Na4 Qd6? (better 15...b6+=) 16.e4+- Nc7 (better 16...Ng4 17.Bg7 Kg7+-) 17.e5 (17.e5 Qd5 18.ef6 ef6 19.Qb1+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.c4 b6 8.0-0 Bb7 9.a4 d5 10.d4 Nbd7 11.Nbd2 Rc8 12.a5 cd4 (12...ba5 13.Bc3=) 13.a6 Ba8 14.Nd4 Nc5 15.Rc1 e5 16.N4b3 Re8 17.Nc5 Rc5 18.Nb3 Rc8 19.c5 bc5 20.Nc5 Qb6 21.Na4 Qa5? (better 21...Rc1 22.Qc1 Qd6=) 22.Rc8+- Rc8 23.Be5 Ne4 24.Bg7 Kg7 25.Qd4 Kg8 26.b6 ab6 27.Nb6 (27.Nb6 Rb8 28.Nd7+-) 1-0. wgr069 (2290) - frankierooks (2260), Hourly Blitz Arena, lichess.org, 2021.

6.Be2 c6

7.a4 a6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d4 c5 12.c4 b6 (12...cd4 13.ed4 d5 14.c5=) 13.Nbd2 (13.Nc3 Qc7+=) 13...Bb7 14.d5 Qc7 (14...e6 15.e4=) 15.Qc2 Ra8 16.Bb2 (16.Bc3 e6 17.de6 fe6=) 16...h6 (16...e6 17.de6 fe6 18.Ra1=) 17.Ra1+= Qb8 18.h3 Bc8 19.Ra8 Qa8 20.Bd3 Nf8 (20...Qa2 21.Qb3 Qb3 22.Nb3 Nd5 23.Bg7=) 21.e4 e5 22.Qb3 Nh5 23.Bf1 Nf4 24.Kh2 Bd7 25.g3 Nh5 26.Bg2 f5 27.ef5 gf5 (27...Bf5? 28.g4+-) 28.Nh4 Qd8 29.Bf1 (29.Qf3 Qg5 30.Qd1 Nf6+=) 29...f4 (29...Qg5 30.Qc2+=) 30.Qf3+- White gets strong initiative 30...fg3 31.fg3 Nf6 32.Bd3 Qc8 (32...N8h7!? 33.Nf5 Ng5+=) 33.Nf5+- Bf5 34.Bf5 Qd8 35.g4 (35.Qe3 Qa8+-) 35...N8h7 36.Kg2 Ng5 37.Qe3 Qe8 38.h4 Ngh7 (38...Nf7 39.Kg1+-) 39.Qa3 (better 39.Kg1+-) 39...h5? (better 39...Nf8+-) 40.g5+- Ng4 (40...Nd5 41.cd5 Qb5 42.Kf2+-) 41.Ne4 Qf8 42.Be6 Kh8 43.Bc1 Qe7 44.Qa8 Nf8 (44...Bf8 45.Qb8 Qg7 46.Nd6 Qg6+-) 45.Ng3 e4 (45...Kh7 46.Nf5 Qc7+-) 46.Nf5 (46.Ne4?! Kh7 47.Bf5 Kh8+-) 46...Be5 47.Ne7 (47.Ne7 Kg7 48.Nf5 Kh7 49.Qf8 Ne3 50.Be3 Kg6 51.Qf7) 1–0. onur604 (2320) – Vollzeitmisanthrop (2250), lichess.org, 2020.

7.a4 cb5 8.ab5 a6 9.0-0 Bd7 10.d4 Qb6 11.c4 Bf5 12.Nc3 Ne4? (better 12...Rc8!?+=) 13.Nh4 (13.g4!? Nf2 14.Rf2 Bg4+-) 13...Nc3 14.Bc3 Bc8?? (better 14...Qc7 15.Nf5 gf5+-) 15.Ba5+- Qa7 (15...Qa5 16.Ra5 Re8 17.Nf3+-) 16.b6 1–0. onur604 (2320) – TheBishopX (2005), lichess.org, 2020.

7.a4 cb5 8.ab5 b6 9.0-0+= Bb7 (9...Qc7 10.c4+=) 10.d4 Nbd7 (10...d5 11.c4+=) 11.Nbd2 d5 (11...Qc7 12.c4+=) 12.c4 e6 (12...a5 13.ba6 Ra6 14.Qb3+-) 13.Ba3+- Re8 14.c5 bc5 15.dc5 Ne4 16.c6 Nd2 (16...Nc3!? 17.Qe1 Ne2 18.Qe2 Ba1 19.cb7 Rb8 20.Ra1 Rb7+-) 17.Qd2+- (17.cb7 Nf3 18.Bf3 Rb8-/+) 17...Ba1 18.Ra1 Bc6 (18...f6 19.cd7 Qd7 20.Bc5+-) 19.bc6 Nf6 20.Ba6 Ne4 21.Qd4 (21.Qc2 Qc7+-) 21...Rb8 22.Bb7 Nd6? (22...a5+-) 23.Bb2 f6 (23...e5 24.Ne5 Nb5 25.Qd3+-) 24.c7 (24.Ra7?! Nb5 25.Qf4 e5+-; 24.Qa7?! Nb7 25.cb7 Qe7+-) 24...Qc7 (24...Qe7 25.cb8R Rb8+-) 25.Qf6 e5 26.Bd5 Nf7 27.Ne5 Rb2 28.Nf7 Kf8 (28...Rb1 29.Rb1 Qh2 30.Kh2 Re3 31.Ne5) 29.Nh6 (29.Nh6 Qf7 30.Qf7; 29.Nd6 Qf7 30.Qf7) 1–0. GuestQVNV – GuestBLPB, freechess.org, 2020.

7.a4 Nbd7 8.0-0 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.d3 Be6 13.Nbd2 Qc7 14.Ng5 Bd7 15.Bf3 (15.Bf6 Bf6 16.Nge4 Bg7= (worse is 16...cb5 17.Nf6 ef6 18.Ne4+/–)) 15...Ra8 (better is 15...cb5 16.cb5 d5+=) 16.Nge4?? (16.Qb3 c5=) 16...cb5?? (better is 16...Ne4 17.Bg7 Nd2 (17...Kg7?! 18.Be4 cb5 19.cb5-/+) 18.Qd2 Kg7–+) 17.Nf6= ef6 18.Ne4 f5+= 19.Nf6 Kh8 20.Nd7 Ra1–+ 21.Qb3 Rf1 22.Kf1 Nd7 23.cb5 Ne5 24.Bd5 Kg8 25.h3 g5 26.d4 Ng6 27.b6 Qd7 28.Kg1 f4 29.Qa2 fe3 30.fe3 Qe7 31.Qa8 Nf8 32.Kf2 h5 33.Bb7-/+ Kh7?? 34.Be4+- Kh6 35.b7 Qe4 36.b8Q Qh4 37.Kg1 Qe1 38.Kh2 Qe3 39.Qd6 Ng6? 40.Qf3 Bd4 41.Qe3 Be3 42.Qf6 Bf4 43.g3 Be5 44.Qf7 h4 45.Kg2 Bg3 46.Qe6 Bf4 47.Kf3 Kg7 48.Kg4 Ne5?? 49.Kh5 Kf8 50.Qf6 Ke8 51.Kh6 Kd7 52.Kg7 Kc7 53.Qf5 Kd6 54.Qe4 Ke6 55.Kf8 Kd6 56.Ke8 Ke6 57.Qe2 Kd5 58.Qg2 Kd4 59.Ke7 Ke3 60.Ke6 Nd3 61.Kf5 Nf2 62.Qd5 Ke2 63.Qb3 Kf1 64.Ke6 Kg2= 65.Qc2 Kf3 66.Qc6 Kg3 67.Qc3 Kg2 68.Qc6 Kh3-/+ 69.Qf3 Bg3 70.Kf5 g4 71.Qb3 Kh2 72.Kg5 h3 73.Qc2 Kg2 74.Qe2?? h2–+ 75.Qc2 h1Q 76.Qc6 Kg1 77.Qc1 Kh2 (77...Kh2 78.Qh1 Kh1–+) 0–1. Starr,Albert Martin – Salvo,Tab (1710), San Francisco MI Fall op, 2005.

7.a4 e5 8.0-0 Nbd7 9.d4 e4 10.Nfd2 d5 11.c4 Ne8 (11...Re8 12.Qb3+=) 12.cd5 (12.Ba3 c5 13.Nc3 cd4 14.Nd5 Ndf6 15.Ne7 Kh8 16.ed4 Nd6+-) 12...cd5 13.Ba3 f5 (13...Ndf6 14.Bf8 Bf8 15.Qb3+-) 14.Bf8 (14.Nc3 Ndf6 15.Bf8 Bf8+-) 14...Nf8+- 15.Nc3 Be6 (15...Ne6 16.Qb3 Nf6 17.g3+-) 16.f4 (16.Qb3 Rc8+-) 16...h6 (16...Rc8 17.Qb3+-) 17.a5+- g5 18.Qb3 Ng6 (18...gf4 19.Rf4 Ng6 20.Rff1+-) 19.Nde4! gf4 (19...de4 20.Qe6 Double attack (20.Qe6 Pinning; 20.Qe6 Deflection); 19...fe4 20.f5 Passed pawn) 20.Nc5 Bf7 21.Bf3 (21.Nb7 Qe7 22.Nc5 Qe3 23.Kh1 Bd4=) 21...fe3 (21...Nd6 22.Bd5 Qe7 23.Be6 fe3 24.Nd5+-) 22.Bd5 Bd5 (22...Kh8 23.Bf7 Qd4 24.Rfc1 (24.Bg6?! e2 25.Rf2 Qc5 26.Ne2 Ba1+-) 24...e2 25.Kh1+-) 23.Nd5 (23.Qd5? Qd5 24.Nd5 e2–+) 23...Kh7 (23...Kh8 24.Ne6 (24.Nb7?! Qc8 25.Ne3 f4+-; 24.Rf5?! e2 25.Ne6 Qh4+-) 24...Qd7 25.Ne3+-) 24.Ne6 Qg5 (24...Qd7 25.Ne3 Nd6+-) 25.Ng5 (25.Ng5 hg5 26.Rf5+-) 1–0. DEFFM – sogo, freechess.org, 2019.

7.a4 Bg4 8.0-0 Nbd7 9.d4 c5 10.a5 (10.h3 Bf5=) 10...cd4 11.ed4 b6 (11...a6 12.h3 Bf5 13.g4=) 12.Nbd2 e5 (12...Bf5!?=) 13.h3 Bf3 (13...Bf5 14.de5 de5 15.Nc4+-) 14.Bf3 (14.Nf3?! e4 15.Nd2 Qc7=; 14.gf3? Nh5 15.ab6 Qg5 16.Kh2 ed4–+) 14...d5? (better 14...Rc8 15.Bc6 Qc7+-) 15.de5+- Ne5 (15...Ne4 16.Ne4 Ne5 17.Be5 Be5 18.Ng3 Ba1 19.Qa1+-) 16.Be5 Qe7 (16...ba5 17.Nb3 a6 18.Bf6 Qf6 19.Bd5+-) 17.Re1 Rae8 (17...Qc5 18.ab6 ab6 19.Ra8 Ra8 20.c4+-) 18.ab6 ab6 19.Nb3 (19.c4 Qe5 20.Re5 Re5+-) 19...Qb4 (19...Nh5 20.Bg7 Qe1 21.Qe1 Re1 22.Re1 Kg7 23.Bh5 gh5 24.Re5+-) 20.Qd4 Qd4 21.Bd4 (21.Nd4 Re7+-) 21...Rc8 (21...Ne4 22.Ra7 Nd6 23.Re8 Re8 24.Bd5 Nb5 25.Bf7 Kf8 26.Bg7 Kg7 27.Rd7 Re1 28.Kh2+-) 22.Bb6 Rc2 23.Bd4 Rc4 (23...Ne4 24.Be4 de4 25.Re4+-) 24.b6 Rb4 25.Bc5 Rb3 (25...Rb5 26.Rac1+-) 26.Bf8 Bf8 27.Reb1 Rc3 (27...Rb1 28.Rb1 Bd6+-) 28.b7 Nd7 (28...Bd6 29.Ra6 Be5 30.Rf6+-) 29.Ra8 Kg7 (29...Rc7 30.Rc8 Rb7 31.Rb7+-) 30.Rd8 Rc7 31.Rd7! (31.Rd7 Rd7 32.b8Q+-) 1–0. DEFFM – flameorca, freechess.org, 2020.

7.a4 Nh5 8.Bg7+= Ng7 9.Nc3 cb5 10.ab5 a6 11.0-0 Qc7 12.Qb1 Nd7 13.ba6 ba6 14.Nd5 Qd8 15.Nd4 Nc5? (better is 15...Ne5 16.Qb6 Qb6 17.Nb6 Rb8+-) 16.Nc6 Qd7 17.Nce7 (17.Nde7?! Kh8 18.d4 Ne4+-) 17...Kh8 18.Nc8 Qc8 19.Nb6 Qb7 (19...Qc7 20.d4 Ra7 21.dc5 Qc5 22.Nc4+- (22.Ra6?! Ra6 23.Ba6 Rb8+-; 22.Ba6?! Rb8 23.Bd3 Ra1 24.Qa1 Qb6+-)) 20.Bf3 Qc7 (20...Ne4 21.Na8 Qb1 22.Rfb1 Nd2+-) 21.Na8 Qc8 (21...Qe7 22.Qb4+-) 22.Nb6 Qd8 (22...Qc7 23.d4 Nce6 24.Ra6+-) 23.d4 Nce6 24.Ra6 Nc7 25.Ra7 Qb8 26.Qa2 Qb6 27.Rb1 Qb1 (27...Nb5 28.Ra8 Ne8 29.c4+-) 28.Qb1 Nce6 29.Qb4 1–0. Taulien,Hans_Juergen (2350) – Pieleck,Rudi (1770), RSX9E – A00 – Sokolsky–1, 2002.

7.c4 cb5 8.cb5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qb6 12.0-0 Bd7 13.Nc3 Be6 14.d4 Nbd7 15.Bb2 Rc8 16.h3 Bc4 17.Bc4 Rc4 18.Qb3 Qc7? 19.Ra1 Nb6? 20.Nd2+- Rc3 21.Qc3 Nfd5? 22.Qc7 Nc7 23.Ra7 Nb5 24.Rb7 1–0. lousse (1650) – 7seven, kurnik, 2011.

6.Be2 e5

7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.c4 Bf5 12.d4 ed4 (12...e4 13.Nfd2=) 13.Nd4+= Bd7 14.Nd2 d5 15.Bb2 Ne4 (15...dc4 16.Bc4 Qe7 17.Qb3+=) 16.cd5 cd5 17.Ne4 de4 18.Ba3 Re8 19.Qb3 Qb6 (19...Bc8!?+=) 20.Bc4+/- Qf6 21.f3 Bh6?? (better 21...Bf5+-) 22.fe4 Be3 (22...Qe5 23.Rf7 Kh8 24.Bb2+-) 23.Qe3 (23.Qe3 Qg7 24.Rf7 Qf7 25.Bf7 Kf7 26.Nf3+-) 1-0. onur604 (2320) - Rocky01011996 (2180), Casual Rapid game, lichess.org, 2021.

7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Nc3 Nc5 12.Bb2.

7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d4 e4 12.Nfd2 Re8 13.c4 Nf8 (13...d5 14.Qc2=) 14.Nc3+= d5 (14...h5!?+=) 15.cd5+/- Nd5 16.Nce4 Qh4 (16...f5!? 17.Nc3 Be6+/-) 17.Qb3+- Be6 18.Nc5 Nf4 (18...Nf6 19.Ne6 Ne6 20.Bb2+-) 19.Bc4 Bc4 20.Qc4 (20.Nc4?! Ng2 21.Kg2 Qg4 22.Kh1 Qf3 23.Kg1 Qg4 24.Kh1 Qf3 25.Kg1 Qg4 26.Kh1=) 20...Ng2? (20...N4e6 21.Nb7 Ra8+-) 21.Kg2 Ne6 22.Ne6 Re6 (22...Qg4 23.Kh1 Qe6 24.Qe6 Re6 25.Kg2+-) 23.Qc7 Be5 (23...Qg5 24.Qg3 Qb5+-) 24.de5 g5 (24...Qg4 25.Kh1 Qf5 26.Qb7+-) 25.f4 (better 25.f3 g4 26.fg4+-) 25...Rh6 (25...g4 26.Qc8 Kg7 27.f5 Qh3 28.Kh1 Qh5 29.fe6 g3 30.Rf7 Qf7 31.ef7 g2 32.Kg1 Kf7 33.e6 Kg6 34.Qg8 Kh5 35.e7 h6 36.e8Q Kh4 37.Qg3) 26.Qd8 Kg7 27.Qg5 (27.e6 Kg6 28.Qg8 Kh5 29.ef7 Kg4 30.Nf3 Qh3 31.Kg1 Qf1 32.Kf1 Rg6 33.Ne5 Kh5 34.Qh7 Rh6 35.Qf5 Rd6 36.Qg5) 27...Rg6 28.e6 Kf8 29.ef7 (better 29.Kh1 Rg5 30.fg5 Qg5 31.ef7+-) 29...Kf7 30.Ne4 Rg5 31.fg5 (worse 31.Ng5 Ke8 32.Ne4 Qg4 33.Kf2 Qh4 34.Kg1 Qg4 35.Ng3 h5+-) 31...Ke6 32.Rf4 Qe1 33.Bd4 Qe2 34.Kg3 Qb5 (34...Qe1 35.Kh3 Qh1 36.Rf6 Kd5 37.Ng3+-) 35.Rf6 Ke7 36.Rf7! Ke8 (36...Kf7 37.Nd6 Double attack) 1-0. DEFFM – RandomMoves, freechess.org, 2021.

7.0-0 b6 8.d4 e4 9.Nfd2 d5 10.c4 Bb7 11.Nc3 dc4 12.Bc4 c6 13.a4 Re8 14.Qb3 Qd7 15.Ba3 a6 (15...Rd8!?+-) 16.bc6 Bc6 17.Rab1 b5 (17...Ng4 18.Qb6 Rc8 19.Qa5+-) 18.ab5+- ab5 19.Bb5 (19.Nb5!? Bf8+-) 19...Bb5+- 20.Nb5 White terminates the opponent with strong threats 20...Nc6 21.Rfc1 Na5 (21...Reb8 22.Qc4 Nd8 23.Qc7 Rb5 24.Qd7 Nd7 25.Rb5 Ra3 26.Rd5+-) 22.Qa2+- Rec8 (22...Nc6+-) 23.Rc8 Qc8 24.Nd6 Qd7 (24...Qe6 25.Qe6 fe6 26.Bc5+-) 25.Bc5 Bf8 26.N2e4 Ne4 27.Ne4 Bc5 (27...Qd8+-) 28.Nf6 (28.Nf6 Kg7 29.Nd7+-) 1–0. GuestGPPJ – GuestRGQL, freechess.org, 2020.

7.0-0 c6 8.a4 Qe7 9.d4 Rd8 (9...Nbd7 10.c4=) 10.c4 Bf5 11.Nc3 e4 12.Nd2 h5 (12...d5 13.g4 Ng4 14.Bg4=+) 13.a5 Nbd7 14.a6 Rab8 15.Nb3 d5 16.Na5 (16.ab7 cb5 17.c5 b4+-) 16...cb5+- 17.cb5 (17.Nb5 dc4 18.Na7 Qe6 19.ab7 Qb6+-) 17...Qb4 (17...Qe6 18.ab7 Re8 19.Na4+-) 18.Qc2 (18.Qd2 Re8+-) 18...Re8 19.ab7 Qd6 20.Na4 Ng4 21.Bg4 Bg4 22.Nc5 Nc5 (22...Qc7 23.Rfc1+-) 23.dc5 Qe6 (23...Qc7 24.Bg7 Kg7+-) 24.Bg7 Kg7 25.c6 Bf3 26.h3 (26.gf3?! Qh3 27.Qc3 f6=) 26...Qf5 27.Qb2 (27.c7!? Qg5 28.g3 Rbc8 29.bc8R Rc8+-) 27...f6 (27...Kh7 28.Kh2 (28.gf3?! Qh3 29.Qf6 ef3 30.Qf7 Kh8 31.Qf6 Kh7 32.Qf7 Kh8 33.Qf6 Kh7 34.Qf7=) 28...Bg2 29.Kg2 Qg5 30.Kh1+-) 28.Kh2 (28.gf3?! Qh3 29.fe4 Qg4 30.Kh2 Qh4 31.Kg2 Qg4 32.Kh2 Qh4 33.Kg1 Qg4 34.Kh2=) 28...Bg2 29.Kg2 Qg5 (29...Re7 30.Nb3 g5 31.Rfc1+-) 30.Kh1 (better 30.Kh2!? Re7+-) 30...Qf5 31.Kh2 g5 (31...Qe6+-) 32.c7 g4 (32...Rbc8 33.bc8R Rc8 34.Rfc1+-) 33.cb8Q Rb8 34.Qc3 Qd7 (34...Kg6 35.Qc7 Qe5 36.Qe5 fe5 37.Rfc1 gh3 38.Rc6 Kf7 39.Rc8+-) 35.Qc6 Qe7 (35...Qd8 36.Rfd1 g3 37.fg3+-) 36.Qc8 Qe5 37.Kh1 d4 38.Nc6 Qb5 39.Qc7 Kh6 40.Qb8 Qe2 41.Qf8 Kg6 (41...Kg5 42.Ra5 Qb5 43.Rb5 f5 44.Rf5 Kg6 45.Ne5 Kh7 46.Rh5) 42.Ne7 Kg5 43.Ra5 Kh4 (43...Qb5 44.Rb5 f5 45.Qf5 Kh4 46.Qh5) 44.Qf6 Kh3 45.Rh5 1–0. onur604 (2320) – ShaahZero (2305), lichess.org, 2020.

7.0-0 Bd7 8.c4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e4 12.Ng5 h6 (12...Re8!? 13.f3 ef3 14.Nf3 Bg4+=) 13.Bf6+/- Bf6 (13...Qf6 14.Ne4 Qh4 15.d3+/-) 14.Ne4 Bg7 15.d4 f5 16.Ned2 Bc6 1-0. onur604 (2320) - GDGKKDVinayak11 (2230), Casual Rapid game, lichess.org, 2021.

7.0-0 Bd7 8.d4 Qe8 (8...e4!? 9.Nfd2 Qe8=) 9.de5+= de5 (9...Ng4 10.Qd5 Bc8 11.Nc3 Ne5 12.Ne5 Be5 13.Rfb1+=) 10.Ba3+/– Bb5 11.Bb5 Qb5 12.Bf8 Bf8 13.Qd8 Qb2 (13...Ne8 14.Nc3 Qd7 15.Rfd1+/–) 14.Nbd2+- (14.Qf6?! Nd7 15.Qh4 Qa1=) 14...Qc3?? (better is 14...e4 15.Nd4 Qb4 16.Qf6 Qd2+-) 15.Qf6 Bg7 (15...Nd7 16.Qh4+-) 16.Qd8 Bf8 17.Ne4 Qc6 (17...Qb4 18.Nf6 Kh8 19.Qc8+-) 18.Nf6 (18.Nf6 Kg7 19.Ne8 Kg8 20.Nc7+-) 1–0. GuestTDMH – GuestHVQF, freechess.org, 2018.

7.0-0 Nbd7 8.d4 e4 9.Nfd2 d5 10.c4 c6 11.Nc3 Nb6 12.a4 a5 13.c5 Nbd7 14.Ra3 Re8 15.Rb3 Nf8 16.Qc2 h5 (16...Bg4 17.bc6 bc6 18.Rb1+=) 17.Re1 Bh6 (17...Bg4 18.Rb1+/-) 18.Nf1 h4 19.h3 Bd7 20.bc6 (20.Rb1 Rb8+/-) 20...bc6 21.Rb1 Qc7 22.Rb6 Bf5 23.Ba1 Rab8 24.Nb5 (24.Ba6 N8d7 25.Rb7 Rb7 26.Rb7 Qc8+=) 24...cb5 25.Rf6 Nd7 (better 25...b4!? 26.Rd6 Be6=) 26.Rf5+/- gf5 27.ab5 Bf8 (27...f4 28.Qa2 Nf6 29.b6+/-) 28.Qa2+- Nf6 29.b6 Qb7 30.Bb5 Rec8 31.Qa5 Ra8 32.Qd2 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.0-0 Nbd7 8.d4 e4 9.Nfd2 d5 10.c4 c6 11.Nc3 Nb6 12.c5 Nbd7 13.a4 Re8 14.Qb3 Nf8 15.a5 Ne6 16.a6 ba6 17.bc6 Nc7 18.Qa4 Rb8 19.Rfb1 Bg4 20.Ba6 Nh5 (20...Na6 21.Qa6 Re7 22.Nb5+/-) 21.Bb7 Qg5 (21...a6 22.Qa5+- (22.Ba6?! Ra8 23.Qb3 Ra6 24.Ra6 Na6+=)) 22.Nb5 Bh3 23.g3 Qe7 (23...Nb5 24.Qb5 Rec8 25.Ra7+-) 24.Nc7 Qc7 25.Bc3 Nf6 26.Qa7 Ng4 (26...Qe7 27.Qb6+-) 27.Qb6 Qe7 28.c7 Rb7 29.Qb7 Qf6 30.f4 ef3 (30...Ne3 31.Ra8 Rf8+-) 31.Ra8 White prepares the advance c8 31...f2 32.Kh1 Ra8 (32...Qe6 33.Re8 Qe8 34.c8Q f1Q 35.Rf1 Nf2 36.Rf2 Bc8 37.Qd5+-) 33.Qa8 Bf8 34.c8Q Bg2 (34...Qe7+-) 35.Kg2 Ne3 36.Kh1 Qe7 37.Qf8! Qf8 38.Rb8 (38.Rb8 f1Q 39.Nf1 Kg7 40.Rf8 Kf6 41.Qd8 Kf5 42.Qe7 Ng2 43.h3 g5 44.Qf7 Ke4 45.Qh7) 1-0. onur604 (2320) - viktor1959 (2250), Casual Rapid game, lichess.org, 2021.

7.0-0 Nbd7 8.d4 e4 9.Nfd2 d5 (9...a6 10.a4=) 10.c4+= c6 11.Nc3 Re8 12.Qb3 Nf8 13.a4 Bf5 14.a5 Rb8 15.a6 cb5 16.cd5 (16.Nb5 Re7+=) 16...ba6 (16...b4!? 17.Qb4 ba6+=) 17.Ra6+- b4 18.Nb5 Nd5 (better 18...Rb6!? 19.Ra7 Re7+-) 19.Rd6+- (19.Rd6 Qc8 20.Qd5+-; 19.Na7?! Qd7+=; 19.Ra7?! Be6 20.Bc4 Nb6 21.Be6 Re6 22.Qb4 Nc8+=) 1–0. onur604 (2320) – wwwchessmega (2110), lichess.org, 2020.

7.0-0 Nbd7 8.d4 Qe7 9.a4 Ne8 (9...Re8 10.a5=) 10.c4 f5 (10...Nef6 11.Nc3+=) 11.Qb3 (11.Nc3 Nef6+=) 11...Kh8 (11...e4 12.Nfd2+=) 12.Nc3+= Nef6 (12...Ndf6 13.a5+=) 13.a5 (13.de5 de5 14.Nd5 Nd5 15.cd5 Rd8+=) 13...Ne4 (13...e4 14.Nd2+=) 14.Nd5+- Qd8 15.Nb4 (15.b6 ab6 16.ab6 Ra1 17.Ra1 c6+-) 15...g5 (15...ed4 16.ed4 Re8 17.Qc2+=) 16.Qc2+- g4 (16...a6 17.de5 g4 18.Nd4 Ne5 19.Nd5+-) 17.Nd2 Nd2 18.Qd2 Rf7 19.f3 h5 (better 19...g3 20.hg3 Qg5+-) 20.Kf2?? (better 20.fg4!? hg4 21.Bg4+-) 20...Qg5 (20...Qh4 21.Kg1 Qd8 22.fg4 hg4 23.Bg4 Qg5+-) 21.h3?? (21.f4 ef4 22.ef4 Qh4 23.Kg1 Nf6+-) 21...Bf8?? (21...gh3 A) 22.gh3? ed4 23.Ke1 de3–+ (23...Qe3?! 24.Nc2 Qd2 25.Kd2-/+); B) 22.Rg1 f4 23.ef4 Rf4 24.Qc1–+) 22.Kg1?? (better 22.f4 ef4 23.ef4+-) 22...Re7?? (22...gh3 23.Rf2=+) 23.Rfc1?? (better 23.hg4 hg4 24.Nd5 gf3 25.Bf3+-) 23...f4 (better 23...gh3 24.Bf1 hg2 25.Bg2 h4 26.de5 de5= (26...Ne5? 27.f4 Qg3 28.Qf2+-)) 24.Bf1?? (better 24.ef4 Qf4 25.Qf4 ef4 26.Kf2 g3 27.Kf1+-) 24...Re6?? (24...fe3 25.Qd1 gh3 26.Nd5 hg2 27.Bg2-/+) 25.Qf2?? (25.ef4 Qh4 26.Nd5 Qd8 27.fg4 hg4 28.hg4 ef4+-) 25...Bg7?? (better 25...fe3 26.Qe2 Rf6-/+) 26.Kh2?? (better 26.ef4 ef4 27.Nd5+-) 26...gf3 (better 26...g3 27.Kh1 gf2 28.ef4 ef4–+) 27.Rd1? (27.Rd1 fe3 28.Qf3 ed4 29.Be2–+; better 27.ef4 Qf4 28.g3=) 1–0. onur604 (2320) – SergB17 (2205), lichess.org, 2020.

7.0-0 e4 8.Nd4 c5 9.Nb3 Be6 (9...a6 10.ba6 b6 11.f3=) 10.d4 (10.f3 Qe7+=) 10...Qc7 (10...c4 11.N3d2 d5 12.Nc3=+) 11.c4 cd4 12.Nd4 Re8 (12...Bc4 13.Qc2 Rc8 14.Rc1=) 13.Ne6+= Re6 14.Nc3 Nbd7 15.Rc1 Rd8 (15...Nc5 16.Rc2+=) 16.Nd5+- Nd5?? (better 16...Qa5+-) 17.cd5+- (17.cd5 Qb6 18.Bg7 Kg7 19.de6 fe6 20.Qd4 Qd4 21.ed4+-) 1–0. GuestGPPJ – olma, freechess.org, 2020.

7.0-0 e4 8.Nd4 c5 9.bc6 bc6 10.c4 (10.f3 Qb6 11.Qc1 Ba6=) 10...Qb6 (10...c5!? 11.Nb3 Nc6=+) 11.Qb3= Bb7 12.Nc3 Qb3 (12...Nbd7 13.Rab1=) 13.ab3 Nbd7 14.b4 Ne5 (14...a6 15.Ra5+=) 15.b5 (15.Ra5 Rfd8+-) 15...c5+= 16.Nb3 Bc8 (better 16...Rfb8!?+=) 17.b6+- a6 18.Nb5 ab5? (better 18...Rb8!? 19.Nd6 Rb6 20.Be5 Rb3+-) 19.Ra8+- bc4?? (19...Nfd7 20.b7 Bb7 21.Rf8 Kf8+-) 20.Nc5! dc5 21.Be5 Bb7 (21...c3 22.Bd6 Bb7 23.Ra7+-) 22.Ra7 Bd5 23.b7 Nd7 24.Bd6 Rd8 25.Bc7 (25.Bc7 Re8 26.Rb1+-) 1–0. DEFFM – olma, freechess.org, 2019.

7.0-0 Ne4 8.d3 Nc5 9.c4 f5 (9...e4 10.Bg7 ef3 11.Bf8 fe2 12.Qe2 Qf8 13.d4=) 10.Nc3 h6 11.d4 Ne6 12.de5 de5 13.Qd8 Rd8 (13...Nd8? 14.Nd5 Nd7 15.Nc7+-) 14.Nd5 Nd7 15.Nh4 (15.Rfd1 Kh7+=) 15...Kf7= 16.g4 f4 17.Bd3 g5 (17...Ndf8 18.Be4 a6 19.ef4 ef4 20.Bg7 A) worse 20...Ng7 21.Nc7 (21.Nf4?! g5=) 21...Rb8 22.Nf3+-; B) 20...Kg7=) 18.Bg6+- Kf8 19.Ba3 Kg8 20.Nf5 c6? (better 20...Ndf8 21.Bh5 e4+-) 21.bc6 bc6 (21...Ndc5 22.Nde7 Kh8 23.Rad1+- (23.Ng7?! Kg7 24.Bf5 b6+-; 23.Nc8?! Rac8 24.cb7 Nb7+-)) 22.Nde7 Kh8 23.Nc6 1–0. onur604 (2315) – BlackLion666 (2100), lichess.org, 2020.

7.0-0 Ne4 8.d3= Ng5 9.Nbd2 Nf3 10.Bf3 (10.gf3? Bh3 11.Kh1 Bf1 12.Bf1 a6–+; 10.Nf3?! Nd7=) 10...Nd7 11.d4 ed4 12.ed4 Nf6 13.c4 Rb8 1–0. DEFFM – GuestTRXY, freechess.org, 2019.

7.0-0 Be6 8.d4 e4 9.Nfd2 d5 10.c4 Ne8? (better 10...dc4 11.Nc3 a6=) 11.cd5+- Bd5 12.a4 (better 12.Ba3!? Nd6 13.Nc3+-) 12...f5+= 13.Nc3 Bf7 14.Bc4 Nd6 15.Bf7 Rf7 16.Qb3 Nd7 17.a5 (17.Ba3 Bf8+=) 17...b6 (17...a6 18.Nc4=) 18.Nd5 (18.ab6 ab6 19.Qd5 Ra1 20.Ra1 Bf8+=) 18...Nf6 (18...ba5 A) worse 19.Ra5 c6 20.Ra6 Nb8 (worse 20...cd5 21.Rd6 Bf8 22.Rd5+-; worse 20...Nb5 21.Nb4+=) 21.Rc6 Nc6 22.bc6 Rb8=; B) 19.Rfc1 Rb8 20.Nc7 (worse 20.Ra5 c6 21.Ne7 Qe7 22.Rc6 Nc8-/+) 20...Nb5 21.Ne6+=) 19.ab6 (19.Nf6 Bf6 20.Nc4 Qe8 21.Nd6 cd6+-) 19...cb6+= 20.Rfc1 Kf8 (better 20...Nd5 21.Qd5 Ne8+=) 21.Ba3+- Ke8 22.Rc6 Nd5 (22...Bf8 23.Nc4 Nd5 24.Nd6 (24.Bd6?! Rd7 25.Bf8 Kf8+-) 24...Bd6 25.Rd6+- (25.Qd5?? Bh2 26.Kh2 Qd5–+)) 23.Rd6 (23.Rd6 Nc7 24.Rd8 Rd8 25.Nc4+-; 23.Bd6?! Ne7 24.Be7 Ke7 25.Qa3 Ke8+-) 1–0. onur604 (2320) – niki_lr (2080), lichess.org, 2020.

7.0-0 Be6 8.d4 e4 9.Nfd2 Nbd7 10.c4 d5 (10...a6 11.ba6 Ra6 12.Nc3=) 11.Ba3 (11.cd5 Bd5 12.Nc3 Re8+=) 11...Re8= 12.cd5 Bd5 13.Nc3 Nb6 14.Qc2 Rc8 15.Bc5 c6 16.a4 cb5 (better 16...Nbd7!? 17.Ba3 Bf8+=) 17.ab5+/- Nfd7 18.Nde4 Be4 19.Ne4 Nc5 20.Nc5 Nd5 (20...Bd4 21.ed4 Qd4 22.Rfc1+/-) 21.Bc4 (21.Ra7?! Ne3 22.fe3 Re3+/-) 21...b6 22.Nd3 Qc7 (22...Qd7 23.Qb3 Rcd8 24.Ne5 Be5 25.de5+-) 23.Rfc1 Kh8? (23...Qd7+-) 24.Qb3 (24.Qb3 Ne3 25.Bf7+- (25.fe3?! Re3 26.Kh1 Bd4+/-); 24.Bd5?! Qc2 25.Rc2 Rc2 26.Bf7 Rec8+=) 1-0. DEFFM – GuestHYGK, freechess.org, 2021.

7.0-0 Re8 8.a4 Nbd7 9.d4 ed4 (9...e4 10.Nfd2=) 10.ed4 (10.Bd4 a6=) 10...a6 (10...Nd5 11.Bc1=) 11.c4 (11.Re1 ab5 12.ab5 Ra1 13.Ba1 d5=) 11...ab5 12.ab5 Ra1 13.Ba1 d5 14.Nbd2 (14.Ne5 Ne4=) 14...dc4 15.Nc4 Nd5 16.Re1 (16.Nfe5 Qh4=) 16...N7b6 (16...Nf4 17.Bf1=) 17.Nfe5 Be6 18.Bb2 (18.Na5 Qb8=) 18...Nc4 (18...Nc8 19.Nd3=) 19.Bc4 Nb6 20.Bf1 (20.Be6 Re6 21.Qf3 f6=) 20...Qd6 (20...Bd5 21.Bd3=) 21.Qc2 (21.Nc4 Nc4 22.Bc4 Qd7 23.Be6 Re6 24.Re6 fe6=+) 21...Ra8 22.Ra1 Ra1 23.Ba1 Nd5 24.Qa4 Nb6 25.Qa7 (25.Qc2 h6=) 25...Be5 (25...Bd5 26.Bc3 Bf6 27.Ng4=) 26.de5 Qd1 27.Bc3 Bc4 28.Qa1 Qa1 29.Ba1 Bf1 30.Kf1 Nc8 (30...Nc4 31.Ke2 b6 32.Kd3=+) 31.Ke2= Na7 32.b6 cb6 33.Kd3 (33.f4 Nc6=) 33...b5 34.Bd4 Nc6 35.f4 Kf8 36.Bc5 (36.g4 Ke7=+) 36...Ke8 37.Ke4 (37.g3 Kd7=+) 37...Kd7 (37...b4 38.h3=+) 38.Kd5 h5 39.g3 b4 40.Kc4 Ke6 41.Bb4 (41.Kb3 Kf5 42.Bb4 Nb4 43.Kb4 Kg4–+) 41...Nb4 42.Kb4 g5 43.Kb5? (43.fg5 Ke5 44.Kc5–+) 43...gf4 44.gf4 Kf5 45.Kc5 Kf4 46.Kd6 (46.Kd5 b5 47.Kd4 h4–+) 46…b5 0–1. DEFFM – Guestxyxy, freechess.org, 2020.

7.0-0 Bg4 8.h3 e4 (better 8...Bf5!?=) 9.hg4+/- ef3 10.Bf3 d5 11.c4! a6 (11...dc4 12.Bb7 Pinning (12.Bb7 Deflection)) 12.cd5 ab5 13.Qb3 Qd7 14.Nc3 (14.g5 Ne8+-) 14...Ng4+/- 15.d4 Nf6 (15...Ra5 16.a4 ba4 17.Qb7+-) 16.a4 ba4 17.Na4 b6? (better 17...Ra5 18.Nc5 Rb5+-) 18.Nb6 Ra1 19.Nd7 Rf1 20.Kf1 Nfd7 (20...Nbd7 21.e4+-) 21.Qb7 Rd8 (21...f5 22.Qc7 Bf6 23.Ba3+-) 22.Qc7 Bf6 23.e4 Na6 (23...Rf8 24.e5+-) 24.Qb7 Ndb8 (24...Nab8 25.e5 Bg5 26.e6+-) 25.e5 (25.Be2 Rd7 26.Qa8 Rd8 27.Ba6 Na6 28.Qa6 Bg5+-) 25...Bg7 (25...Rd7 26.Qa8 Bg5 27.Be2+-) 26.Be2 Rd7 (26...Rf8+-) 27.Qc8 Bf8 28.Ba3 (28.Ba3 h5 29.Qf8 Kh7 30.Be7 Re7 31.Qe7 Kg8 32.e6 fe6 33.de6 Nc7 34.Qd8 Kg7 35.Qc7 Kh6 36.Qf4 Kg7 37.Qf7 Kh6 38.Bd3 Kg5 39.Qg6 Kf4 40.Qf5) 1-0. DEFFM – nochatpls, freechess.org, 2021.

7.Na3 a6 8.0-0 ab5 9.Nb5 Nc6 10.d3 Bd7 11.Qd2 e4 12.Nfd4.

7.a4 a5 8.0-0 b6 (8...e4 9.Nd4=) 9.d4+= Nbd7 (9...e4 10.Nfd2+=) 10.de5 Ng4 11.Nd4 Nge5? (better 11...Nde5 12.Nd2 Qh4+=) 12.f4+- Bb7 13.Qe1 c5 14.bc6 (14.fe5?! cd4 15.ed4 de5 16.de5 Ne5=) 14...Nc6 15.Nc6 Bc6 16.Bg7 Kg7 17.Qc3 Qf6 18.Qc6 Qa1 19.Qd7 Rad8 20.Qb5 Rfe8 21.Bc4 Re3 (21...Qf6 22.Rf3+- (worse 22.Qb6 d5 23.Qf6 Kf6+-)) 22.Qb6 Rde8 23.Bb5 R8e7 24.Qa5 Qd4 25.Kh1 h5 (25...Qf6 26.Bd3+-) 26.f5 gf5 27.Bd3 R7e5 28.Qc3 Qa4 (28...Qc3 29.Nc3 Ra5 30.Nb5+-) 29.Nd2 (29.Rf5?! Qa5 30.Qa5 Ra5+-) 29...h4 (29...f6 30.Qc7 Re7 31.Qd6+-) 30.Nc4 (30.Rf5?! h3 31.gh3 Qa8 32.Kg1 Re1 33.Nf1 Qa7 34.Kg2 Qc5 35.Qc5 dc5 36.Re5 Re5+-) 30...h3 (30...Qc6 31.Qd4 Rd3 32.cd3 h3+-) 31.Ne3 (31.Ne3 Kf8 32.Nf5+-) 1–0. onur604 (2320) – epiphany90 (2365), lichess.org, 2020.

7.Nc3 Bf5 8.Ng5 h6 9.e4 Bc8 10.Nf3 Nbd7 11.Bc4 Nc5 12.Qe2.

7.d4 ed4 8.Nd4 Nbd7 9.0-0 Nc5 10.a4 h5 (10...Qe7 11.Nc3=) 11.Nd2 Bg4 12.Bg4 Ng4 13.h3 Ne5 14.N4b3 b6 (14...Nb3 15.Nb3 Re8 16.Na5=) 15.Nc5 dc5 16.Qe2 Qe7 17.Rad1 Rad8 18.Ba1 Rd7?? (better 18...Rfe8+=) 19.f4+- Rd2 20.Rd2 (20.Qd2?! Nc4 21.Qf2 Ba1 22.Ra1 Qe3+-) 20...Nd7 21.Bg7 Kg7 22.e4 c4 (22...c6 23.Qd3 Nb8 24.f5+-) 23.Qc4 Nc5 24.Qd4 Kg8 25.e5 Qh4 26.Qe3 Re8 27.f5 Ne4 (27...Qe7 28.Re2 Kh7+-) 28.Rf4 (28.Rf4 Qe7 29.Re4 gf5 30.Rc4+-) 1–0. onur604 (2320) – EXpressYourselff (2080), lichess.org, 2020.

5.Nf3 e6

6.a4 a6 7.Be2 c6 8.c4 d5 9.Nc3 dc4 10.0-0 Nd5 11.Bc4 Nc3 (11...Bd7 12.Qb3+=) 12.dc3 (12.Bc3 Bc3 13.dc3 Qa5+=) 12...Qd1 13.Rfd1 ab5 14.ab5 Ra1 15.Ra1 Nd7 (15...cb5 16.Bb5 Bd7 17.Be2=) 16.Ra7 Nc5? (better 16...Nb6 17.Be2 cb5 18.Bb5 Rd8=) 17.Ba3 (17.Ba3 b6 18.Bc5 bc5 19.b6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.c4 a6 7.d4=.

6.c4 b6 7.Be2 (7.d4 a6=) 7...Bb7 (7...a6 8.0-0=) 8.0-0 c5 (8...a6 9.d4=) 9.a4 (9.d4 a6=) 9...d5 10.cd5 ed5 (10...Bd5 11.Nc3=) 11.d4 (11.Qc2 Nbd7=) 11...Ne4 (11...Nbd7 12.a5+=) 12.Nbd2 Nd7 13.Qc2 Rc8 14.Qb1 (14.dc5 Bb2 15.Qb2 bc5+=) 14...cd4 (14...c4 15.Ne4 de4 16.Ne1=) 15.Ne4 (15.Bd4 Bd4 16.ed4 Nc3=) 15...de4 16.Nd4 Ne5 17.Rd1 Qg5 18.Qa2 (18.a5 Rfd8=) 18...Nd3 19.Rab1 (19.a5 ba5 20.Rab1 a6+=) 19...Be5 (19...Rfd8 20.a5 ba5 21.Qa5 Bd4 22.Bd4 Rd4 23.Qa7–+) 20.h3 (20.Bd3 ed3 21.Nc6 Rc6 22.bc6 Bc6–+) 20...Qf6 (20...Bd5 21.Qa3 Bd4 (21...Nb2?! 22.Rb2 Rfd8 23.Rbd2+=) 22.Bd4 Rc2-/+) 21.Bd3= ed3 22.f4 (22.Nc6 Bb2 23.Qb2 Qb2 24.Rb2 Bc6 25.bc6 Rfd8=) 22...Bd4+= 23.Bd4 (23.ed4 Rc2 24.d5 Qf4–+) 23...Qf5 24.Rb2 (24.Qf2 Rc2 25.Rd2 Rfc8+=) ½–½. Kucharkowski,Jens – Lippmann, Freital, 1982.

6.c4 c5 7.Be2 d5 8.0-0 Nbd7 (8...a6 9.Qa4=) 9.a4 (9.d4 Qe7+=) 9...b6 (9...a6 10.d4=) 10.d4 (10.cd5 ed5 11.Nc3 a6=) 10...Bb7 11.Nbd2 dc4 (11...a6 12.Qb1=) 12.Nc4 cd4 (12...Bd5 13.a5=) 13.ed4 (13.Bd4 Bd5+=) 13...Nd5 14.Qd2 (14.Rc1=) 14...Rc8 (14...Qf6!?=) 15.Ba3+= Rc4? (better is 15...Ne7!? 16.Nd6 Rc7+=) 16.Bc4 (16.Bf8 Rc3 17.Bg7 Kg7+-) 16...Re8 (16...Ne7 17.Be2+-) 17.Rad1 (17.Rac1 Ne7 18.Qd1 Nf5+/–) 17...Qc7 (17...N5f6 18.Ne5+-) 18.Rc1 Qb8 19.g3 (19.Rfe1 Rc8+-) 19...N7f6 (19...Nf4 20.Qe3 Nd5 21.Qe2+/–) 20.Qd3 Nd7 21.Rfe1 N5f6 (21...Bh6 22.Rc2+-) 22.Ng5 (22.Ne5 Qa8+-) 22...Qa8 23.h4 (better is 23.f3+-) 23...Bh1?? (better is 23...Qb8+/–) 24.f3+- h6 (24...Ng4 25.Qb3 h6 26.d5 hg5 27.de6 (27.fg4?! ed5 28.Bf1 Be4+=) 27...fe6 28.Be6 Kh8 29.Bd7 Re1 30.Re1 Qf3 31.Re8 Kh7 32.Qg8 Kh6 33.hg5 Kh5 34.Bg4 Kg4 35.Qc4 Kg3 36.Bd6 Kh3 37.Qf1 Kg4 38.Qf3 Bf3 39.Be5 Be5 40.Re5+-) 25.Nf7 (25.Kh1?! hg5 26.hg5 Nh7+-) 25...Bf3 26.Qg6 Nf8 (26...Bh5 27.Nh6 Kh8+-) 27.Nh6 Kh8 28.Nf7 Kg8 29.Bf8 Kf8 30.Nd6 Re7 (30...Bh5 31.Qg5 Qd8+-) 31.Re6 Bh1 32.Rf6 Bf6 33.Qg8 1–0. GuestGSQL – GuestDQYX, freechess.org, 2018.

6.c4 c5 7.Be2 d5 8.d4 Ne4 9.0-0 dc4 (9...a6 10.Qc2 Qf6 11.Ne5=) 10.Bc4 (10.Qc2 cd4 11.Bd4 Bd4 12.ed4 Nd6 13.Bc4 a6=) 10...Nd6 11.Nbd2 (11.Be2 Nf5+=) 11...cd4 12.Bd4 Bd4 13.Nd4 Qc7 (13...e5 14.N4b3+=) 14.Qb3 (14.Rc1 e5 15.N4f3 Qe7+=) 14...Rd8 (14...e5 15.N4f3 Nc4 16.Nc4+=) 15.a4 (15.Rac1 e5 16.N4f3 Qe7+=) 15...Nc4 (15...e5 16.N4f3 e4 17.Nd4+=) 16.Nc4 (16.Qc4 Qe7+=) 16...e5= 17.Nf3 e4 (17...Be6 18.Rfc1 e4 19.Nd4+=) 18.Nd4+= Be6 (18...Nd7!?+=) 19.Rfd1?? (better is 19.Ne6 fe6 20.Qc2+/–) ½–½. Spiegel,Matthias – Bigalke,Steffen, Ryck–Open Greifswald, 1997.

6.c4 c6 7.Be2 cb5 8.cb5 d5 (8...d6 9.d4+=) 9.Nc3 (9.0-0 a6=) 9...Nbd7 (9...a6 10.Qa4+=) 10.Ba3 (10.0-0!?+=) 10...Re8= 11.0-0 Nb6 12.Rc1 Bd7 (12...Nc4 13.Bc4 dc4 14.Qa4=) 13.h3 (13.Ne5 Rc8+=) 13...a6= 14.Ne5 (14.ba6 Nc4 15.Bc5 ba6=) 14...Rc8 (better 14...Bb5 15.d3 d4 16.Nb5 ab5-/+) 15.ba6+= ba6 16.Ba6 (16.d4 a5+-) 16...Ra8+= 17.Qe2 Ne4 (17...Bc8 18.Bc8 Ra3 19.Ba6+=) 18.Nd7 (18.d4 Bc8 19.Bc8 Nc8 20.Ne4 Ra3 21.Rc8 Qc8+-) 18...Nd7 (18...Nc3 19.dc3 Nd7 20.Bb4+=) 19.Bb4 (19.Ne4 de4 20.Bb4 Qb6+-) 19...Qb6 (19...Nd2 20.Rfd1 Bc3 21.Bc3+=) 20.Bb5+- Nc3 (20...Reb8 21.a4+-) 21.Bc3 (21.Rc3?! Bc3 22.dc3 Red8=+) 21...Red8 (21...Ra7 22.Bg7 Kg7 23.d4+-) 22.a4 (22.Bg7 Kg7 23.d4 Qa5+-) 22...e5 23.Qg4 (23.a5 Qd6 24.d4 ed4 25.ed4 Nf6+-) 23...f5 (23...Nc5 24.Rb1+-) 24.Qb4 (24.Qg3 Qe6+-) 24...Bf8 25.Qb3 Nc5 (better 25...Qe6+-) 26.Qd5?? (better 26.Qc2 e4 27.Ba1+-) 26...Rd5–+ 27.Bc4 Rad8 (better 27...Qe6!? 28.a5–+) 28.Be5 Bg7 (28...Bg7 29.Bg3 Kf8 (worse 29...Na4 30.Bc7 Qf6 31.Bd8 Qd8 32.Bd5 Qd5 33.d4–+) 30.Bd5 Rd5–+; worse 28...Na4 29.Bc7 Qf6 30.Bd8 Qd8 31.Bd5 Qd5 32.d4–+) 0–1. aravind555 – physiologist, lichess.org, 2019.

6.d4 c6 7.a4 a6 8.Bd3 ab5 9.ab5 Ra1 10.Ba1 Nd5 (10...cb5 11.Bc3= (11.Bb5? Qa5 12.Nc3 Ne4-+)) 11.0-0+= Nb4 12.Be2 c5 (12...cb5!? 13.Na3 d5+=) 13.c3+/- Nd5 14.dc5 Qa5 15.Bb2 Nc3? (better 15...b6 16.cb6 Bb7+-) 16.Nc3 Bc3 17.Bc3 Qc3 18.Qd6 b6 (18...Qa3 19.Qb8 Qc5 20.Qf4+-) 19.Qb6 (19.Qb8?! Qc5 20.Rd1 d5+-) 19...d6 20.c6 Qb2 21.Qb8 (21.Re1 Na6 22.Qd4 Qd4 23.ed4 Nc7+-) 21...Qe2 22.Nd4 (22.Qd6?! Qb5 23.e4 f6+-) 22...Qc4 23.Qd6 f6 (23...Qc3+-) 24.b6 e5 (24...Qd5 25.Qd5 ed5 26.Ra1+-) 25.b7 Bb7 (25...Qf7 26.b8Q ed4 27.ed4+-) 26.Ne6 Re8 27.cb7 Qe6 28.Qe6 Re6 29.b8Q Kf7 30.Rd1 (30.Rd1 Rc6 31.Qb7 Ke8 32.Qc6 Kf7 33.Rd7 Kf8 34.Qc8) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.d4 d5 7.Bd3 Nbd7 8.0-0 c5 9.c4 cd4 10.ed4 (10.Bd4 Qc7 11.Bb2 e5=+) 10...dc4 11.Bc4 Nb6 12.Bd3 Nbd5 13.a4 (13.Nc3 Nf4=) 13...b6 (13...Nf4 14.Nc3=) 14.Ne5 (14.Nbd2!?=) 14...Bb7=+ 15.Qf3 Rc8 16.Ba3 (16.Nd2 Nd7 17.Nec4 Nb4 18.Qb7 Nd3-/+) 16...Re8 (16...Nd7 17.Bd6 Ne5 18.de5-/+) 17.Nd2=+ Rc3 (better 17...Rc7!? 18.Rac1 Nc3=+) 18.Ne4 (better 18.Ndc4+=) 18...Rc7? (better 18...Nc7 19.Nf6 Bf6 20.Qb7 Be5 21.de5 Qd3+=) 19.Nd6+- Rc3?? (better 19...Bh6+-) 20.Nb7 (20.Nb7 Qb8 21.Nd6 Ra3 22.Ne8 (22.Ra3?! Qd6 23.Bc4 Nb4+-) 22...Ra1 23.Nf6 Bf6 24.Ra1 Be5 25.de5 Qe5 26.Rc1+-) 1–0. DEFFM – GuestSBCX, freechess.org, 2019.

6.d4 d5 7.Be2 c6 8.a4 cb5 9.ab5 b6 10.c4 Bb7 11.0-0 Nbd7 12.cd5 (12.Nbd2 Re8+-) 12...Nd5+= 13.Qb3 Nc7 14.Nbd2 Re8 15.e4 (15.Ra2 a6 16.ba6 Ba6 17.Ba6 Ra6 18.Ra6 Na6+-) 15...e5 (15...f5!? 16.e5 Bh6+=) 16.Bc4+- Qf6 (16...Ne6 17.de5 Re7 18.Qa2+-) 17.de5 Ne5? (better 17...Qe7+-) 18.Ne5 Re5 19.f4 Qh4 (19...Rb5 20.Bf6 Rb3 21.Bg7 Rb4+-) 20.fe5 Be4 (20...Kh8 21.Rf7 Qg5 22.Rc7 Qd2 23.Rb7 g5+-) 21.Rf7 Kh8 22.Rg7! Kg7 Decoy to g7 23.e6 Discovered attack 23...Kh6 24.Ne4 Qe4 25.Qh3 Kg5 26.Rf1 Qc4 (26...Qe3 27.Qe3 Kh5 28.Be2 Kh4 29.Qf4) 27.Bf6 1–0. onur604 (2320) – vikky_sen (2055), lichess.org, 2020.

6.d4 d6 7.Nc3 Nbd7=.

6.d4 d6 7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Bd7 (10...Nbd7 11.Bb2=) 11.Nbd2 (11.Nc3 c6 12.0-0 d5=) 11...Qe8 (11...c6 12.bc6 Nc6 13.0-0=) 12.Qb1 (12.c4 Qe7+=) 12...Nd5 (12...c6!?+=) 13.c4+- Nb6 (13...Nf6 14.0-0+-) 14.0-0 c6?? (better 14...Qe7+-) 15.bc6+- Bc6 16.Qb6 1–0. DEFFM – DeepNord, freechess.org, 2020.

6.d4 d6 7.Be2 a6 8.a4 Bd7 9.0-0 (9.Nc3 c5+=) 9...Qe8 (9...ab5 10.ab5 Ra1 11.Ba1+=) 10.c4 d5 (10...ab5!? 11.cb5 Qe7+-) 11.Nc3 dc4 12.Bc4 Nd5 (12...ab5 13.ab5 Ra1 14.Qa1+- (14.Ba1?! c6+-)) 13.Bd5 ed5 14.Ba3 ab5 (14...Qd8 15.Bf8 Bf8 16.Qb3+-) 15.Bf8 Bf8 16.ab5 Bb5 (16...Ra1 17.Qa1 c6+-) 17.Ra8 Bf1 18.Nd5 Ba6 (18...Qc6 19.e4 Qd6 20.Kf1 c6+-) 19.Nf6 (19.Nf6 Kh8 20.Ne8+-) 1–0. DEFFM – DeepNord, freechess.org, 2020.

6.Be2 a6=.

6.Be2 b6 7.0-0 Bb7 8.Nc3 (8.a4 a6=) 8...Ne4 (8...a6 9.a4=) 9.d4 d6 (9...Nc3 10.Bc3 a6 11.a4+=) 10.Ne4+= Be4 11.Nd2 Bb7 12.Bf3 Bf3 (12...c6 13.Ba3 Qc7 14.Nc4+=) 13.Qf3 Nd7 14.a4 Rc8 (14...a6 15.c4+=) 15.c4 (15.a5 c5 16.bc6 Nb8+=) 15...c5 16.bc6 Nb8 17.Ba3 Rc6 (worse is 17...Nc6 18.Ne4 d5 19.cd5 (19.Bf8 de4 20.Qe4 Qf8+=) 19...ed5 20.Nd6+- (20.Bf8?! de4 21.Qe4 Qf8=)) 18.Ne4 (18.a5 ba5 19.Rfb1 Qc7+=) 18...d5 (18...f5 19.Nd6 Rd6 20.Bd6 Qd6 21.Rac1+=) 19.cd5+= ed5 20.Bf8 (20.Nd2 Re8=) 20...de4= 21.Qe4 Bf8 22.Rfc1 Rc7 23.Rc2 Bd6 24.Rac1 Rc2 25.Qc2 Kf8 (25...Qh4 26.g3 Qe7 27.e4=) 26.Qc8 Ke7 (26...Qc8 27.Rc8 Ke7 28.e4=) 27.Qh3+= h5 28.Qh4 Kd7 (28...Ke8 29.Qe4 Kf8 30.Qb7=) 29.Qe4+= Qe8? (better is 29...Qe7!? 30.Qa8 Kd8+=) 30.Qb7+/– Ke6 31.Qa7 Qd8 (31...Qd7 32.Qb6 Qa4 33.e4+-) 32.d5 (better is 32.Qb7+-) 32...Kd5?? (better is 32...Kf6+/–) 33.Qf7 Ke4 34.Rd1 (34.Rd1 Bh2 35.Kh2 Qd1 36.Qg6 Kd5 37.Qf5 Kd6 38.Qf4 Ke7 39.Qe5 Kf7 40.Qb8 Qa4 41.Qc7 Ke8 42.Qb6 Qh4 43.Kg1+-; 34.Rc4 Kd3 35.Qd5 Ke2 36.Rc2 Ke1 37.Qd2#) 1–0. Waibel,Ulrich – Solomon,Howard, compuserve, 1997.

6.Be2 c6 7.a4 cb5 8.ab5 b6 9.0-0 Bb7 10.c4 d5 11.d4 dc4 12.Bc4 Nd5 (12...a5 13.ba6 Na6 14.Nbd2+=) 13.Qb3 Nd7 (13...a5 14.Nbd2+=) 14.Nbd2 N7f6 15.e4 Nc7 16.Rfe1 a6 17.ba6 Ra6? (17...Ba6 18.Qb6 Rb8 A) 19.Ra6?! Na6 20.Qd8 Rfd8= (20...Rbd8? 21.Ba6 Ra8 22.Bc4+-); B) 19.Qc5+/–) 18.Ra6 (18.Ba6 Na6 19.Ra4 Nb8+-) 18...Na6 (better is 18...Ba6 19.Qb6 Qb8+/–) 19.Be6?? (better is 19.Ba3+-) 19...fe6= 20.Qe6 Kh8 21.Ne5 Qe8 (better is 21...Nc5!? 22.Nf7 Rf7 23.Qf7 Be4 24.Ne4 Nce4=) 22.Qb6+/– Qc8? (better is 22...Qa8!? 23.d5 Nb8+/–) 23.Ba3+- Qc7 (23...Nd7 24.Nd7 Qd7 25.Bf8 Bf8 26.Rb1+-) 24.Qc7 Nc7 25.Bf8 Bf8 26.d5 (26.f3 Kg8+-) 26...Ncd5 27.ed5 Nd5 1–0. DEFFM – GuestRBGD, freechess.org, 2018.

6.Be2 c6 7.a4 d5 8.0-0 Nbd7 9.d4 Re8 10.Nbd2 Ne4 11.c4 f5 12.Qb3 Qe7 13.Rfc1 Ndf6 14.Ba3 Qf7 15.Ne5 Qc7 16.Ndf3 Qb6 17.a5 Qa5 18.Bc5 Qc7 19.Ra7 Ra7 20.Ba7 Bd7 21.Nd7 Nd7 22.cd5 ed5 23.Qd5 cd5 24.Rc7 Ndf6 25.Rb7 Ng4 26.h3 Ngf2 27.Bc5 Bh6 28.Ne5 Be3 29.Kh2 Bf4 30.Kg1 Be3 31.Kf1 Ng3 32.Ke1 f4 33.Bf3 Re5 34.de5 Nd3 35.Kd1 Nc5 36.Bd5 Kf8 37.Rh7 Na4 38.e6 Nc3 39.Kc2 Nd5 40.Rf7 Ke8 41.Kd3 Nb6 42.h4 Nf5 43.Rb7 Nd6 44.Rh7 Nb5 45.Rg7 Nd6 46.Rg6 Nf5 47.Rg8 Ke7 48.Rb8 Kd6 49.Rb7 Ke5 50.Rd7 Nd5 51.Rd5 Kd5 52.e7 Ne7 53.h5 Nc6 54.h6 Ne5 55.Kc2 Ng6 56.Kd3 Nh8 57.Kc3 Ke5 58.Kb4 Kf5 59.Kc4 Kg5 60.Kd5 Kh6 61.Ke6 Kg5 62.Ke5 Kg4 63.Kf6 Kg3 64.Ke6 Ng6 65.Kf6 Kg2 66.Kf5 f3 67.Kg6 f2 68.Kf5 f1Q 69.Ke4 Qf3 70.Ke5 Bf2 71.Ke6 Qe3 72.Kd5 Kg3 73.Kd6 Qe4 74.Kd7 Kg4 75.Kc7 Qf5 76.Kc6 Kg5 77.Kc7 Qe4 78.Kd7 Kf4 79.Kc7 Qe5 80.Kb7 Be3 81.Ka6 Bd4 82.Kb7 Qc5 83.Ka6 ½–½. Orang4Utan (1880) – chesss2372 (2260), lichess.org, 2020.

6.Be2 d5 7.0-0 c5 8.c4 dc4 9.Na3+= Nbd7 10.Nc4 b6 11.a4 Nd5 (11...Bb7 12.Qc2+=) 12.d4 (12.Bg7 Kg7 13.a5 Qc7+-) 12...cd4 13.Nd4 Nc5 14.Nc6 Qc7 15.Bg7 Kg7 16.Bf3 Bb7 17.Bd5 ed5 18.N4a5 ba5 19.Qd4 Kg8 20.Qc5 Bc6 21.Rac1 Rfc8 (21...Rab8 22.Qc6 Qc6 23.Rc6+-) 22.Rfd1 (22.bc6 Rab8+-) 22...Rab8+= 23.Qc6 Qc6 24.Rc6 Rc6 25.bc6 Rc8 26.Rc1 Kf8 27.Rc5 Ke7 28.Ra5 Rc6 29.Ra7 Ke6 30.g3 h5 31.a5 g5 32.a6 Kf6 (32...Rc1 33.Kg2+-) 33.Ra8 (33.Kg2 g4+-) 33...Rc7 (33...Rc1 34.Kg2+-) 34.Kg2 Kf5 (34...Rc5 35.Rh8 Ra5 36.Rh6 Kf5 37.Rc6+-) 35.a7 (35.Rd8 Ke4+-) 35...f6 (35...g4 36.f3+-) 36.h4 (36.f3 Re7+-) 36...gh4 (36...g4!?+-) 37.gh4+- Rg7? (better 37...Rd7+-) 38.Kf3 Rh7 39.Ke2 Rd7 (39...Rg7 40.f3 d4 41.ed4 Kf4+-) 40.Kd3 Rg7 41.f3 Re7 42.Kd4 Rc7 1–0. DEFFM – GuestMWRD, freechess.org, 2019.

6.Be2 d6 7.0-0 a5 (7...a6 8.a4=) 8.a4 (8.d4 c5+=) 8...b6 (8...e5 9.d4+=) 9.d4+= c5 10.c4 (10.dc5 dc5 11.Qe1 Bb7=) 10...Bb7= 11.Nbd2 d5 (11...Nbd7 12.Re1=) 12.dc5+= bc5 13.Qc2 dc4 (13...Nbd7 14.Rab1+=) 14.Nc4 Nbd7 15.Rfd1 Qc7 (15...Be4 16.Qd2+/–) 16.b6 (16.Bc3 Be4 17.Qb2 Bd5+/–) 16...Qc8 (16...Qb8 17.Rab1+/–) 17.Bc3 Bd5 18.Rab1 Bc4?? (better is 18...Rb8+/–) 19.b7+- (19.Bc4?! Qb7+-) 19...Qd8 (19...Qc7 20.ba8R (20.Bc4?! Ra7+/–; 20.ba8B?! Be2 21.Qe2 Ra8+-) 20...Ra8 21.Bc4+-) 20.ba8Q (20.ba8N?! Be2 21.Qe2 Qa8+-; 20.ba8B?! Be2 21.Qe2 Qa8+-) 20...Qa8 21.Bc4 Nb6 (21...Nd5 22.Bg7 Kg7+-) 22.Rb6 1–0. GuestLFBW – GuestFPMH, freechess.org, 2018.

6.Be2 d6 7.0-0 Nbd7 8.d4 d5 9.c4 c5 10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 Nf6 (12...cd4!? 13.Bd4 e5+=) 13.Qc2 (13.dc5 Qc7 14.Qc2 e5+/-) 13...a6 (13...cd4 14.Bd4 e5 15.Be5+/-) 14.a4 (14.dc5 Qc7+-) 14...b6 (better 14...cd4!? 15.Bd4 e5 16.Be5 Qe7+/-) 15.dc5+- (15.Ne4?! Bb7 16.Ng3 ab5 17.ab5 Qc7+/-) 15...bc5 16.Ne4 Bb7? (16...Qe7+-) 17.Nc5 Qc7 (17...Bc8 18.Bf3 Ra7 19.Bd4+-) 18.Nb7 Qb7 19.Bf3 Qc7 20.Ba8 Ra8 21.Bf6 Bf6 22.Qe4 Rd8 23.Rab1 Rd2 (23...Be5 24.b6 Qb8 25.f4+-) 24.b6 Qb8 25.c5 Ra2 (25...a5+-) 26.c6 Bd8 (26...Be5 27.Qc4 Bh2 28.Kh1 Ra4 29.Qa4+-) 27.Qc4 White prepares the advance c7 27...Bb6 28.Qa6 (better 28.Qa2 Qc7 29.Qc4+-) 28...Rf2 (28...Qf8 29.Qc4 Rd2 30.Rb6 Rd8+-) 29.Rf2 Be3 30.Rb8 Kg7 31.c7 (31.c7 Bd4 32.c8Q Kh6 33.Qc1 Be3 34.Qe3 Kg7 35.Qaa7 e5 36.Qf7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Be2 Ne4 7.Bg7+= Kg7 8.0-0 d5 9.Qc1 Qd7 (9...Nd7 10.c4=) 10.c4+= Nd6 (10...a6!?+=) 11.cd5+- ed5 12.Nc3 a5? (better 12...c6+-) 13.Nd5+- Qe6 (13...Ne8 14.Qc3 f6+-) 14.Qb2 f6 (14...Kg8 15.Nf6 Kh8 16.Ne8 f6 17.Nc7+-) 15.Nc7 (15.Nc7 Qe7 16.Na8+-) 1–0. DEFFM – GuestZCTN, freechess.org, 2019.

6.g3 c6 7.a4 d5 8.Bg2 Bd7 9.Nc3 Re8 (9...Ne4 10.Nd4 Nc3 11.Bc3+=) 10.0-0 a6 11.Ne5 ab5 12.Nd7 Nbd7 13.d4? (13.ab5 Ra1 14.Qa1 Qe7=) 13...Nb6 (better is 13...b4!? 14.Ne2 Nb6–+) 14.ab5+= Ra1 15.Qa1 Nc4 16.Rd1 (16.Rb1 Qc7+=) 16...cb5-/+ 17.Nb5? (17.Ba3 Qd7 18.Bb4 Qc6+=) 17...Qa8?? (better is 17...Qb6 18.Nc3 Qb2 (18...Nb2?! 19.Rb1=) 19.Qb2 Nb2–+) 18.Nc7 (18.Bc3 Qc8=) 18...Qa1+= 19.Ra1? (better is 19.Ba1 Rc8 20.Nb5+=) 19...Rc8–+ (19...Nb2?! 20.Ne8 Ne8 21.Rb1+=) 20.Nb5 (20.Nd5 ed5 21.Bc1 Ne4–+) 20...Nb2 21.c3 Ne4 (better is 21...Bf8 22.Bf3–+) 22.Rc1 (22.Be4 de4 23.Nd6 Rc3 24.Ne4 Rc8–+) 22...Na4 (better is 22...Nf2 23.Ra1 Nfd1 24.Rb1–+) 23.Be4 de4 24.c4 b6 (24...e5!? 25.Rc2–+) 25.Nd6 Rc6 26.Ne4 Nb2 27.Rc2? (better is 27.Nd2–+) 27...Nc4 28.Nd2 (28.Nd6 Rd6 (28...Nd6?! 29.Rc6 Bf8 30.Rb6+=) 29.Rc4 b5–+) 28...Na5 (28...b5 29.h3–+) 29.Rb2 e5 (29...h6 30.Kf1–+) 30.d5 Rd6 31.e4 f5 32.f3 Kf7 33.Kf2 fe4 (33...Bh6 34.Nf1–+) 34.fe4 Bh6 35.Nf3 Ke7 (better is 35...Kf6 36.h4–+) 36.Ne5? (36.Rc2 Bg7 37.Ng5–+) 36...Bg7 37.Nc6 (37.Nd3 Bb2 38.Nb2–+) 37...Rc6 38.dc6 (38.Ra2 Rc3–+) 38...Bb2 39.Ke3 (39.c7 Kd7–+) 39...Nc6 40.Kd3 Bd4 41.Kc4 Kd6 42.Kb5 Bg1 (42...Na7 43.Kc4 Ke5 44.Kb3–+) 43.h3 Ke5 (better is 43...Nd4 44.Kb6 Ne2 45.Kb5 Ng3 46.e5 Ke5 47.Kc4–+) 44.Kc6 Ke4 45.Kd6 (45.g4 Kf4–+) 45...Kf3 (better is 45...b5 46.Ke7–+) 46.g4 Kg3 47.g5 Kh3 48.Ke5 Kg4 49.Kf6 b5 0–1. nrgball – umberto15 (1610), gameknot.com, 2015.

5.f4 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 cb5 10.cb5 Qb6 11.Nc3 d6 12.Nf3 Bf5 13.Bc4 Nbd7 14.0-0 Nc5 15.h3 Be4 16.Ne4 Nfe4 17.d4 Ne6 18.Qd3 Nf6 19.d5 Nc7 20.Ng5 Ra8 21.Bd4 Qa5 22.Ra1 Qb4 23.Rb1 Qa3 24.Rb3 Qc1 25.Kh2 Qe1 26.b6 Na6 27.Bc3 Qh4 28.g3 Qh5 29.Ba6 Ra6 30.Qa6 ba6 31.b7 Nd7 32.b8Q Nb8 33.Rb8 Bf8 34.g4 Qh4 35.Kg2 h6 36.Ne4 g5 0–1. jura1946 – oldboy33, kurnik, 2012.

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 d5 10.Nf3 dc4 11.Bc4 cb5 12.Bb5 Bg4 13.0-0 Qa5 14.Nc3 Nc6 15.Qb3 Bf3 16.gf3 Qb4 17.Qc2 Qc5 18.d4 Qd6 19.Ne4 Ne4 20.fe4 e6 21.f5 ef5 22.ef5 Rc8 23.fg6 hg6 24.Qf2 Rc7 25.Bc4 Nd8 26.Qe2 Qb4 27.Bd5 Qa3 28.Bb2 Qd6 29.Qg2 Qe7 30.Rf3 b5 31.Qg6 Rd7 32.Qh5 Qb4 33.Rf2 Qe1 34.Kg2 Qe3 0–1. jura1946 – capablancayun, kurnik, 2012.

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 d5 10.Nf3 Nbd7 11.Qc2 e6 12.Ne5 Ne5 13.fe5 Nd7 14.d4 c5 15.Bd3 b6 16.cd5 ed5 17.0-0 c4 18.Be2 Re8 19.Bf3 Nf8 20.Nc3 Be6 21.e4 de4 22.Be4 Re7 23.d5 Bc8 24.e6 fe6 25.de6 Be6 26.Bc6 Bf5 27.Rf5 gf5 28.Qf5 Kh8 29.h3 Rf7 30.Qf7 1–0. jura1946 – msits, kurnik, 2012.

6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 d6 10.Nf3 Nbd7 11.h3 Nc5 12.Be2 Be6 13.Qc2 Qa5 14.Bc3 Qa4 15.Qa4 Na4 16.0-0 Nc3 17.Nc3 Ra8 18.d4 Ra3 19.Rc1 Nd7 20.bc6 bc6 21.Kf2 h6 22.g4 Nf6 23.g5 Rc3 24.Rb1 Ne4 25.Kg2 Re3 26.Bd1 Bh3 27.Kh3 Nf2 28.Kg2 Nd1 29.Rd1 hg5 30.Ng5 f6 31.Nf3 Bh6 32.Kg3 Kf7 33.Ra1 Re4 0–1. jura1946 – vwj, kurnik, 2012.

6.c4 c6 7.a4 ab5 8.cb5 cb5 9.ab5 Ra1 10.Ba1 d6 11.Nf3 Nbd7 12.Bc4 Nc5 13.0-0 d5 14.Ba2 Qb6 15.Nc3 Nd3 16.Qb3 Nf4 17.Na4 Ne2 18.Kh1 Qe6 19.Ng5 Qg4 20.Nf3 Ne4 21.Bg7 Kg7 22.Qd5 Be6 23.Qd3 1–0. jura1946 – sosebustusko1, kurnik, 2012.

6.c4 ab5

7.cb5 b6 8.a4 c6 9.Qf3 Bb7 10.Bc4 d6 11.Bb3 Nbd7 12.Ne2 Nc5 13.Bc2 cb5 14.Qg3 Na4 15.Ba4 ba4 16.0-0 Ne4 17.Bf6 Bf6 0–1. jura1946 – wafel1964, kurnik, 2012.

7.cb5 b6 8.Nf3 Bb7 9.a4 e6 10.Bc4 d6 11.0-0 Re8 12.Qb3 Nbd7 13.d4 Nd5 14.Nbd2 Qe7 15.Ng5 h6 16.Nge4 N5f6 17.Ng3 Ra7 18.e4 Rea8 19.f5 d5 20.ed5 Bd5 21.fg6 Bc4 22.gf7 Qf7 23.Nc4 Qg6 24.Ne5 Ne5 25.de5 Nd5 26.Ne4 Qe4 27.Rae1 Qb4 28.Qc2 Ra4 29.Bc1 Qc5 30.Kh1 Qc2 0–1. jura1946 – clemclem15, kurnik, 2012.

7.cb5 c6 8.a4 cb5 9.ab5 d6 10.Ra8 Nbd7 11.Nf3 Nc5 12.Nc3 Nd3 13.Bd3 Qa5 14.Ra5 1–0. jura1946 – wlodek62, kurnik, 2012.

7.cb5 c6 8.a4 d5 9.Nc3 Nbd7 10.Nf3 Re8 11.Be2 e5 12.fe5 Ne5 13.Ne5 Re5 14.0-0 d4 15.Na2 c5 16.Bf3 Ng4 17.Bg4 de3 18.Bf3 e2 19.Be2 Re2 20.Bg7 Rd2 21.Qf3 Kg7 22.Qf7 Kh8 23.Rae1 Qd4 24.Kh1 Bf5 25.Re8 Re8 26.Qe8 Kg7 27.Qe7 Kh6 28.Qf8 Kh5 29.h3 Qd5 30.Rg1 Qa2 31.g4 Kh4 32.Qh6 1–0. jura1946 – stop6, kurnik, 2012.

7.cb5 c6 8.a4 Nd5 9.Bg7 Kg7 10.Qb3 Kg8 11.Nf3 d6 12.Bc4 Nb6 13.Bd3 Be6 14.Qc2 N8d7 15.0-0 Nc5 16.Nc3 Bb3 17.Qb2 Ba4 18.Bc2 Bc2 19.Ra8 Na8 20.Qc2 Qd7 21.d4 Ne6 22.Ra1 Nac7 23.b6 Na6 24.g4 Ng7 25.h3 f5 26.g5 Nh5 27.Kh2 Qe6 28.Qd2 Qc4 29.Kg2 Re8 30.h4 Kg7 31.e4 e6 32.e5 d5 33.Ra4 Qb3 0–1. jura1946 – vwj, kurnik, 2012.

7.cb5 d5 8.a4 Bf5 9.Nf3 c6 10.Nc3 Bg4 11.Qc2 Bf3 12.gf3 Nh5 13.f5 e5 14.Ne2 Qh4 15.Kd1 Qc4 16.Nc3 Qh4 17.b6 Qf2 18.Be2 Nd7 19.a5 Nc5 20.Ba3 Qg2 21.Bc5 Qh1 22.Bf1 Qf1 0–1. jura1946 – baveshk, kurnik, 2012.

7.cb5 d5 8.Nf3 c6 9.a4 c5 10.Be2 Ne4 11.d4 c4 12.0-0 Bf5 13.Ne5 f6 14.Nc4 dc4 15.Bc4 Kh8 16.h3 Ng3 17.Rf3 Ne4 18.g4 Bd7 19.Ba3 f5 20.Nd2 fg4 21.Ne4 gf3 22.Qf3 Bf5 23.Ng5 Rf6 24.Rd1 Ra4 25.Nf7 Rf7 26.Bf7 Ra3 0–1. jura1946 – pce, kurnik, 2012.

7.cb5 Ne4 8.d4 c6 9.a4 Qa5 10.Nd2 cb5 11.ab5 Qd2 12.Qd2 Nd2 13.Ra8 Bd4 14.Bd4 Nc4 15.Rb8 Nd6 16.Nf3 Ne4 17.Bd3 d5 18.0-0 f5 19.Rc1 Be6 20.Rf8 Kf8 21.Ng5 Ng5 22.fg5 Kf7 23.Rc7 1–0. jura1946 – zi74bi, kurnik, 2012.

5.f4 c6

6.a4 Qa5 7.Nf3 cb5 8.ab5 Qb6 9.c4 d5 10.Bd4 Qd6 11.c5 Qd7 12.Ne5 Qd8 13.Bd3 Ne4 14.0-0 f6 15.Ng4 Bg4 16.Qg4 e5 17.Qe6 Kh8 18.fe5 fe5 19.Rf8 Qf8 20.Be5 Qf2 21.Kh1 Qf8 22.Be4 de4 23.Nc3 Be5 24.Qe5 Kg8 25.Qd5 Kg7 26.Qb7 Kh6 27.Qa8 Qc5 28.Qb8 1–0. jura1946 – tbohdan, kurnik, 2012.

6.a4 a6 7.c4 ab5 8.cb5 d6 9.Nc3 Bd7 10.Nf3 cb5 11.ab5 Ra1 12.Ba1 Qb6 13.Be2 Rc8 14.0-0 Ne8 15.Ng5 Bc3 16.Bc3 Bb5 17.Qb3 Nc7 18.Qf7 1–0. jura1946 – clemclem15, kurnik, 2012.

6.a4 a6 7.c4 d5 8.Nc3 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Nf3 Bg4 13.0-0 Ne4 14.Qb3 Bf3 15.gf3 Nd2 16.Qc2 Nf1 17.Kf1 Qa1 0–1. jura1946 – pumekss, kurnik, 2012.

6.a4 a6 7.c4 d5 8.Nf3 Bg4 9.Nc3 Ne4 10.Qc2 Bf5 11.d3 Nc3 12.Bc3 e5 13.fe5 Re8 14.Qb2 dc4 15.d4 Be4 16.Bc4 Bf3 17.Bf7 Kf7 18.0-0 Kg8 19.Rf3 Nd7 20.Raf1 c5 21.Qb3 Kh8 22.Rf7 cd4 23.ed4 Re7 24.e6 Rf7 25.Rf7 Qg5 26.Bb2 Nf8 27.Rg7 Kg7 28.d5 Kh6 29.Qh3 Qh5 30.Bc1 g5 31.Qd3 Ng6 32.d6 Rd8 33.Ba3 Nf4 34.e7 Re8 0–1. jura1946 – pumekss, kurnik, 2012.

6.a4 a6 7.c4 Nh5 8.Bg7 Ng7 9.Nf3 ab5 10.cb5 cb5 11.Bb5 d6 12.Nc3 Bd7 13.Bc4 Qc7 14.Qb3 Bc6 15.0-0 e6 16.Rfc1 d5 17.Bb5 Bb5 18.Nb5 Qd7 19.Ne5 Qe8 20.Nc7 Qe7 21.Na8 Nc6 22.Nb6 Na5 23.Qb5 1–0. jura1946 – witu01, kurnik, 2012.

6.a4 d5 7.c4 Nbd7 8.Nf3 e6 9.Qc2 Re8 10.c5 e5 11.f5 e4 12.Nh4 Ng4 13.g3 Nge5 14.fg6 fg6 15.Be2 Rf8 16.Nc3 Nc5 17.0-0-0 Ncd3 18.Kb1 Nf2 19.Rdf1 Nh1 20.Rh1 Qa5 21.Qb3 Be6 22.Ne4 Nc4 23.Bg7 Kg7 24.Bc4 dc4 25.Qb2 1–0. jura1946 – mike39, kurnik, 2012.

6.a4 d5 7.Nf3 Bd7 8.c4 dc4 9.Bc4 cb5 10.ab5 e6 11.Nc3 Qe8 12.0-0 Bc8 13.Qb3 Nbd7 14.d4 Nb6 15.Bd3 Nfd5 16.Nd5 Nd5 17.Be4 Ne3 18.Qe3 Qb5 19.Rab1 Qa4 20.Ne5 Rb8 21.g4 b6 22.Nc6 Rb7 23.Ba3 Re8 24.f5 Bd7 25.f6 Bh8 26.Ne7 Re7 27.Be7 Bc6 28.Rfc1 Be4 29.Rc8 1–0. jura1946 – 001azzyl, kurnik, 2012.

6.a4 d5 7.Nf3 Bg4 8.c4 dc4 9.Bc4 Ne8 10.Nc3 Nd6 11.Bb3 Ne4 12.Qc2 Nc3 13.Bc3 Bc3 14.Qc3 Bf3 15.gf3 cb5 16.ab5 Nd7 17.h4 Nc5 18.Bc4 Qd6 19.d4 Ne6 20.h5 a6 21.ba6 ba6 22.Kf2 Rfc8 23.Qd3 Nf8 24.hg6 hg6 25.Rh6 Qf6 26.Rg1 Qg7 27.Rgh1 Rc6 28.Rh8 Qh8 29.Rh8 Kh8 30.Bd5 Rcc8 31.Ba8 Ra8 32.Qc4 Kg7 33.Qc6 Rd8 34.Qa6 e6 35.Qb6 Rd7 36.e4 Nh7 37.Qc5 Nf6 38.Qe5 Rd8 39.f5 ef5 40.ef5 Rd5 41.Qf4 Rf5 42.Qe3 Rd5 43.Qc3 g5 44.Ke3 Kg6 45.f4 gf4 46.Kf4 Kg7 47.Qg3 Kf8 48.Ke3 Ke7 49.Qc7 Kf8 50.Qc8 Kg7 51.Qc4 Kg6 52.Kd3 Kg7 53.Qb4 Kg6 54.Qb7 Kg7 55.Qe7 Kg6 56.Qe2 Kg7 57.Qg2 Kf8 58.Qf3 Kg7 59.Qg3 Kf8 60.Qb8 Kg7 61.Kc4 Kg6 62.Qg3 Kh7 63.Qh4 1–0. jura1946 – enriquecelis, kurnik, 2012.

6.c4 a6 7.a4 ab5 8.cb5 d5 9.Nf3 Nbd7 10.Nc3 Nc5 11.Be2 Nfe4 12.d4 Nc3 13.Bc3 Ne4 14.Bb2 Qa5 15.Nd2 c5 16.Qc2 Bd7 17.Bd3 Nd2 18.Qd2 Qd2 19.Kd2 c4 20.Bc2 b6 21.Bc3 Rfb8 22.h3 h5 23.Rhf1 f5 24.Rg1 h4 25.g4 fg4 26.hg4 Kf7 27.f5 g5 28.e4 e6 29.ed5 ed5 30.Rae1 Re8 31.Re8 Re8 32.Re1 Re1 33.Ke1 Bf8 34.Kf2 Bd6 35.Bd2 Kf6 36.Be3 Bc7 37.Kg2 Bd6 38.Kh3 Be8 39.Bd2 Bc7 40.Bd1 Bd6 41.Bf3 Bf7 42.a5 ba5 43.Ba5 Bb8 44.b6 Ke7 45.Bb4 Kd7 46.Bf8 Kc6 47.Be7 Bf4 48.Bd8 c3 49.Bd1 Kb7 50.Kg2 Be8 51.Bc7 1–0. jura1946 – kotek247, kurnik, 2012.

6.c4 a6 7.a4 ab5 8.cb5 Ne4 9.Bg7 Kg7 10.Qc2 d5 11.d3 Nd6 12.Qb2 f6 13.d4 Ne4 14.Nf3 Bg4 15.Bd3 Qa5 16.Nfd2 cb5 17.Bb5 Nc6 18.0-0 e6 19.Nb3 Qb4 20.Bd3 Bf5 21.h3 Nd6 22.Bf5 Nf5 23.Qc1 Ra4 24.Ra4 Qa4 25.Nc5 Ncd4 26.ed4 Nd4 27.Nb7 Ne2 28.Kh1 Nc1 0–1. jura1946 – sosebustusko1, kurnik, 2012.

6.c4 cb5 7.cb5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.Nf3 Bg4 12.Nc3 Nbd7 13.h3 Bf3 14.gf3 Nb6 15.h4 Qd6 16.Bd3 Rc8 17.Qe2 Qa3 18.Kf2 Nh5 19.f5 Bc3 20.Bc3 d4 21.ed4 Nd5 22.Ra1 Qd6 23.Qe5 Nc3 24.dc3 Qe5 25.de5 Rc3 26.Ke3 gf5 27.Kd4 Rb3 28.Ra8 Kg7 29.Bf5 e6 30.Bg4 Nf4 31.Kc5 Nd5 32.Rb8 b6 33.Kc6 Rc3 34.Kd6 Rd3 35.Kc6 Rc3 36.Kd6 Rc5 37.Rb7 Rb5 38.Be6 Nf4 39.Rf7 Kh6 40.Rf4 Rb1 41.Bf7 b5 42.e6 b4 43.e7 b3 44.Rb4 Rd1 45.Ke6 Re1 46.Re4 Re4 47.fe4 b2 48.e8Q b1Q 49.Qf8 1–0. jura1946 – take, kurnik, 2012.

6.c4 d6 7.a4 Bd7 8.Nf3 a6 9.Nc3 ab5 10.cb5 d5 11.Ne5 Ne8 12.Bd3 f6 13.Nf3 Nd6 14.0-0 Be6 15.Nd4 Bf7 16.f5 c5 17.Ne6 Be6 18.fe6 c4 19.Bc2 Ne8 20.e4 Qd6 21.ed5 Nc7 22.Ba3 Qe5 23.Be7 Re8 24.Ba3 Nd5 25.Nd5 Qd5 26.e7 f5 27.Rc1 Bd4 28.Kh1 Bc5 29.Bc5 Qc5 30.Qe2 Re7 31.Qf3 Nd7 32.Qb7 Rae8 33.Bb3 Ne5 34.Qa6 Ra7 35.Qf6 Rf8 36.Qe6 Kg7 37.Bc4 Nc4 38.Rc4 Qe7 39.Qe7 Re7 40.d4 Ra8 41.b6 Rb7 42.Rc7 Rc7 43.bc7 Rc8 44.Rc1 Kf7 45.a5 Ke7 46.a6 Kd7 47.a7 Ra8 48.Kg1 g5 49.Kf2 h5 50.Ke3 f4 51.Ke4 g4 52.Kf4 h4 53.Kg4 h3 54.Kh3 Rc8 55.g4 Rc7 56.Rc7 Kc7 57.a8Q 1–0. jura1946 – azuma67, kurnik, 2012.

6.a4 cb5

7.ab5 a6 8.c4 a5 9.Nf3 Nh5 10.d4 d6 11.Bd3 e5 12.fe5 de5 13.0-0 Bg4 14.Qb3 Bf3 15.Rf3 ed4 16.ed4 Bd4 17.Bd4 Qd4 18.Rf2 Qa1 19.Rb2 a4 20.Qb4 a3 21.Rb3 a2 0–1. jura1946 – kikito58, kurnik, 2012.

7.ab5 a6 8.Nf3 d6 9.c4 Bd7 10.Nc3 d5 11.c5 Be6 12.d4 Ne4 13.Ne4 de4 14.Nd2 Bf5 15.Qc2 e6 16.Ne4 Be4 17.Qe4 Nd7 18.Qb7 a5 19.Qf3 a4 20.Bc4 Qa5 21.Kf2 Qd2 22.Qe2 Qa5 23.Ba3 Qd8 24.c6 Nb6 25.Bf8 Bf8 26.Bd3 Bg7 27.Rhc1 Qh4 28.Kg1 Nd5 29.Be4 Nf6 30.c7 Ng4 31.c8Q Bf8 32.Qg4 Qg4 33.Qa8 Qe2 34.Re1 Qc4 35.Ra4 1–0. jura1946 – adepo, kurnik, 2012.

7.ab5 a6 8.Nf3 d6 9.c4 Nbd7 10.Qc2 Ne8 11.d4 Ndf6 12.Nbd2 Bf5 13.e4 Bg4 14.Be2 ab5 15.Ra8 Qa8 16.cb5 Nc7 17.0-0 Nb5 18.Bb5 b6 19.e5 de5 20.Ne5 Bf5 21.Qb3 Nd5 22.Bc6 Qa5 23.Ndc4 Qb4 24.Qb4 Nb4 25.g4 Be6 26.f5 Bc4 27.Nc4 b5 28.Ne5 f6 29.fg6 fe5 30.gh7 Kh7 31.Be4 Kh6 32.Rf8 Bf8 33.de5 Kg5 34.h3 Kf4 35.Bf5 1–0. jura1946 – wafel1964, kurnik, 2012. 7.ab5 b6 8.Qf3 d5 9.c4 Bb7 10.Nc3 Qc8 11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 e6 14.e4 ed5 15.e5 d4 16.Qd3 Rd8 17.Nf3 Qd7 18.Be2 a6 19.0-0 ab5 20.Ra8 Ba8 21.Ng5 Nc6 22.Qb5 d3 23.Bf3 Nd4 24.Qb6 Bf3 25.Nf3 Ne2 26.Kh1 Nf4 27.Qf6 Kg8 28.Ng5 Nh5 29.e6 Nf6 30.ef7 Qf7 31.Nf7 Kf7 32.h3 Ke6 33.Re1 Kf5 34.Rf1 Ke5 35.Re1 Ne4 36.g4 Kf4 37.Rd1 Nf2 0–1. jura1946 – samuel912, kurnik, 2012.

7.ab5 b6 8.Nf3 Bb7 9.Bc4 e6 10.0-0 d5 11.Bb3 Nbd7 12.Ne5 Nc5 13.Ba2 Qe8 14.d4 Nce4 15.Ba3 Qb5 16.Bf8 Bf8 17.Nd2 Qb4 18.Ndf3 Rd8 19.Ng5 Ng5 20.fg5 Ne4 21.Nf7 Rd7 22.Ne5 Rc7 23.Qf3 Nd2 24.Qf6 Nf1 25.Qe6 Kg7 26.Rf1 Qd6 27.Rf7 Kh8 28.Qe8 Rf7 29.Nf7 1–0. jura1946 – capablancayun, kurnik, 2012.

7.ab5 d6 8.Nf3 Nbd7 9.Bc4 Nc5 10.0-0 Bg4 11.d4 Bf3 12.Qf3 Nce4 13.f5 d5 14.Bd3 b6 15.g4 h6 16.h4 Qd6 17.Kg2 Rfc8 18.Ba3 Qd7 19.fg6 fg6 20.g5 hg5 21.hg5 Nh5 22.Qf7 Kh7 23.Rf4 Nf4 24.ef4 Qg4 25.Kf1 Qf3 26.Ke1 Qf2 27.Kd1 Qd4 28.Ra2 Rf8 29.Qe7 Rf4 30.Nd2 Qg1 31.Nf1 Rf1 32.Ke2 Rf2 33.Ke3 Rf7 0–1. jura1946 – cozmin28, kurnik, 2012.

5.f4 d5

6.c4 c5 7.Nf3 Nbd7 8.a4 b6 9.Nc3 Bb7 10.Ne5 Ne5 11.fe5 Ne4 12.d4 e6 13.Qd3 Qh4 14.g3 Ng3 15.hg3 Qh1 16.0-0-0 Qh6 17.cd5 cd4 18.Qd4 ed5 19.Bg2 Rac8 20.Kb1 Rfd8 21.Ne2 Rc4 22.Qd2 Qg5 23.Nf4 Be5 24.Nd5 Bb2 25.Kb2 Bd5 26.Bd5 Qe5 27.Kb3 Rcc8 28.Bf7 Kf7 29.Qf2 Qf6 0–1. jura1946 – mike39, kurnik, 2012.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c5 10.c4 e6 11.cd5 ed5 12.Ne5 Nbd7 13.Be2 Ne5 14.fe5 Nd7 15.d4 Qg5 0–1. jura1946 – doktormira2, kurnik, 2012.

6.Nf3 c5 7.c4 Nbd7 8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 N7b6 11.a4 Be6 12.a5 Nd7 13.Ng5 N7f6 14.Ne6 fe6 15.Bc4 Ne4 16.0-0 Qd6 17.g4 b6 18.ab6 ab6 19.Ra6 Nc7 20.Ra8 Ra8 21.d3 Nf6 22.Qc3 Kf7 23.f5 gf5 24.gf5 Rg8 25.Kh1 Ng4 26.fe6 Ke8 27.Qd2 Ne6 28.Qg2 Rg7 29.Qa8 Nd8 30.Qg2 Ne3 31.Qg7 Nf1 32.Qg8 Kd7 33.Qg4 Kc7 34.Qf3 Qh2 0–1. jura1946 – mike39, kurnik, 2012.

6.Nf3 c6 7.a4 Nbd7 8.c4 dc4 9.Bc4 Nb6 10.Bb3 Nbd5 11.0-0 cb5 12.ab5 Bf5 13.Nc3 Nb4 14.d4 e6 15.Ba3 Qd6 16.Ne5 Rfc8 17.Rc1 a5 18.g4 Be4 19.Ne4 Ne4 20.Nc4 Qd8 21.Nb6 Qb6 22.Qd3 Nd3 0–1. jura1946 – soros38, kurnik, 2012.

6.Nf3 Bd7 7.c4 dc4 8.Bc4 c6 9.a4 a6 10.Nc3 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Qb6 14.Qe2 Bg4 15.0-0 Nc6 16.h3 Bf3 17.Rf3 e6 18.d4 Nd5 19.Ne4 (better is 19.Nd5!? ed5 20.f5=) 19...Ra8 20.Rf1 Ra5 (better is 20...Ra3 21.Bc6 Qc6-/+) 21.Bc4+= Ra1 22.Ra1 Nd4?? 23.Ra8+- Bf8 24.ed4 Qd4 25.Kh2 Nf4? 26.Qc2 Kg7 27.g3 Nd5 28.Bd5 ed5 29.Ng5 Bd6 30.Ra4?? Qe5 31.Rf4 Qg5-/+ 32.Rg4? Qe5 33.Qd3 h5 34.Rf4? g5 35.Rf3?? h4–+ 36.Kg2 hg3 37.Rg3 Qg3 38.Qg3 Bg3 39.Kg3 f5 40.Kf3 Kf6 41.Ke3 Ke5 42.Kd3 d4 43.Ke2 Ke4 44.Kf2 d3 45.Ke1 b5 (45...b5 46.Kd2 b4–+) 0–1. jura1946 – mietz, kurnik, 2012.

6.Nf3 Ne4 7.Bg7 Kg7 8.c4 Bg4 9.Qb3 Bf3 10.gf3 Nf6 11.Qb2 Kg8 12.c5 c6 13.a4 Nbd7 14.d4 Qa5 15.Nd2 Nh5 16.Bd3 f5 17.Kf2 Nhf6 18.Rhg1 Kh8 19.Nb3 Qc7 20.a5 b6 21.ab6 ab6 22.Ra8 Ra8 23.cb6 Nb6 24.Rc1 Qa7 25.bc6 Ne8 26.Kg3 Rc8 27.e4 fe4 28.fe4 de4 29.Be4 Nf6 30.d5 Na4 31.Qe5 Qe3 32.Bf3 Qe5 33.fe5 Ne8 34.Rc4 Nb2 35.Rc2 Nd3 36.Nd4 Ne5 37.Ne6 Nd6 38.Re2 Nf3 39.Kf3 Nf5 40.Kf4 1–0. jura1946 – mike39, kurnik, 2012.

6.Nf3 Bg4 7.c4 dc4 8.Bc4 Bf3 9.Qf3 c6 10.a4 a6 11.Bb3 Qd3 12.Nc3 ab5 13.ab5 Ra1 14.Ba1 Nbd7 15.bc6 bc6 16.Qc6 e5 17.Bc4 Qc2 18.Ke2 ef4 19.Bd3 Qb3 20.Bc4 Qb4 21.Rb1 Qe7 22.Rb7 fe3 23.de3 Re8 24.Nd5 Nd5 25.Rd7 Qe3 26.Kf1 Qf4 27.Kg1 0–1. jura1946 – asortyment, kurnik, 2012.

6.Nf3 Bg4 7.c4 Ne4 8.Bg7 Kg7 9.d3 Nc5 10.h3 Bf3 11.Qf3 dc4 12.dc4 c6 13.e4 cb5 14.cb5 Nbd7 15.Bc4 b6 16.0-0 Nf6 17.Bd5 Nd5 18.ed5 e6 19.Qc3 Kg8 20.de6 Ne6 21.Nd2 Rc8 22.Qb4 Nc5 23.Nf3 Qf6 24.Ne5 Rfe8 25.Nd7 Nd7 26.f5 Nc5 27.fg6 hg6 28.Rf6 Nd3 29.Qb3 Re3 30.Qf7 Kh8 31.Qg6 1–0. jura1946 – adamus1968, kurnik, 2012.

5.f4 d6

6.Nf3 a6 7.ba6 Na6 8.Be2+=.

6.Nf3 c6 7.a4 Nbd7 8.c4 Qc7 9.Be2 e5 10.fe5 de5 11.0-0 (11.bc6!? bc6 12.Nc3+=) 11...e4-/+ 12.Nd4 c5 13.Nb3 White prepares the advance a5 13...b6 (13...Ng4! 14.Bg4 Bb2-/+) 14.a5 (14.Nc3+=) 14...ba5 (14...Ng4 15.Bg4 Bb2 16.Ra2-/+) 15.Na5 (15.Nc3 Nb6+=) 15...Ne5 (15...Ng4 16.Bg4 Bb2 17.Ra2+=) 16.Nc3= Rd8 17.Qc2 (17.Rf6 Bf6 18.Nd5 Rd5 19.cd5 Qd6=) 17...Bf5+= 18.h3? (18.Nc6 Nc6 19.bc6 Qc6 20.Ra5-/+) 18...Nd3?? (better is 18...Nf3! 19.Bf3 ef3–+) 19.Bd3= ed3 (19...Rd3 20.Rf2+=) 20.Qd1 (better is 20.Qb1=) 20...Bh3 21.Rf6 (21.gh3 Qg3 Double attack (21...Qg3 Decoy)) 21...Bf6 22.Qf3 (22.gh3?? Qg3 23.Kf1 Rd4–+) 22...Bc3? (22...Bf5 23.Nd5 Rd5 24.Bf6+-) 23.Bc3+- Be6?? (better is 23...Bf5 24.e4 Be4 25.Qe4 Re8 26.Qd3 Re6+-) 24.Qf6 Kf8 (24...Rd4 25.Nc6 Qg3 26.ed4 Bh3 27.Ne7 Kf8 28.Qh8 Ke7 29.Qa8 Kf6 30.dc5 Kg5 31.Qd5 Bf5+-) 25.Nc6 Ke8 26.Be5 (26.Ba5 Qd6 27.Bd8 h5 28.Be7 Qc7 29.Bc5 Rd8 30.Ra7 Qh2 31.Kh2 Bc4 32.Qd8) 26...Qd7 (26...Qb7 27.Ra6 Bg4+-) 27.Qh8 1–0. Jabloun,Bilel (1985) – Matoussi,Amina (1750), Coupe de Ramadan, 2018.

6.Nf3 Nbd7 7.Be2= e5 (7...a6 8.ba6 b6 9.0-0=) 8.fe5 Ng4 (8...de5 9.0-0 (9.Ne5? Ne4–+; 9.Be5? Ne5 10.Ne5 Ne4–+) 9...e4 10.Nd4=) 9.0-0+= Nge5 10.a4?? (better is 10.Nc3+=) 10...Nf3–+ 11.Bf3 Bb2 12.Ra2 Bg7 13.d4 Nf6 14.c4 d5 15.cd5 Nd5 16.Qb3 (16.Bd5 Qd5 17.Nc3 Qc4–+) 16...Be6 (better is 16...Ne3 17.Rff2 Bd4–+) 17.Rd2 (17.Raf2 Bh6 18.Bd5 Bd5–+) 17...Bh6 18.Re1 (18.Bd5 Qd5 19.Qd3 Qc4–+) 18...Ne3 19.d5 Nd5! 20.Rd5 (20.Rd5 Bd5 Combination; 20.Bd5 Bd2 Decoy) 20...Bd5 21.Bd5 c6! 22.bc6 bc6 23.Bc6 Rb8 24.Qf3 Qb6 25.Kf1 Qb1 (better is 25...Bg7–+) 26.Rb1 Rb1 27.Kf2 Rfb8 (27...Bg7 28.Qd3 Rfb8 29.Qd7 R1b2 30.Kf3 R8b3 31.Kg4 h5 32.Kg5–+) 28.Bd5-/+ Rf8 29.h4?? (29.Bc6 Bg7 30.Qd3–+) 29...a5 (29...Rb4!? 30.g3–+) 30.h5 Bd2?? (30...Rb4 31.Qd1–+) 31.Kg3?? (31.hg6 hg6 32.Qd3 Be1 33.Kf1+-) 31...Rc1 32.Kh2 Bc3 (32...Rc3!? 33.Qe4 gh5=) 33.Qe3+= Bb2 34.hg6 hg6 35.Qd2?? (better is 35.Qh6+=) 35...Be5–+ 36.g3 Rc5 (36...Rc3 37.Qg5 Bg3 38.Kg2–+) 37.Bb3 (37.Qd3 Kg7 38.Bf3 Rfc8–+) 37...Kg7 (37...Rc3!? 38.Qd5 Bg3 39.Kg2–+) 38.Qe3 Rh8 39.Kg2 Bd6?? (better is 39...Rhc8–+) 40.Qd4+- Re5 41.Qd6 Re2 42.Kf3 Rhh2 43.Qd4 (43.Qd4 f6 44.Bd5+-) 1–0. spblex (2125) – jvanmechelen (2350), net–chess.com, 2009.

6.Nf3 Bg4

7.a4 a6 8.c4 ab5 9.cb5 c6 10.Nc3 cb5 11.Nb5 Nc6 12.Bc4 d5 13.Bb3 e6 14.0-0 Ne4 15.Bg7 Kg7 16.d3 Nc5 17.Bc2 Nb4 18.d4 Nc2 19.Qc2 Ne4 20.Ne5 Rc8 21.Qd3 Bh5 22.g4 f6 23.gh5 fe5 24.fe5?? Qg5–+ 25.Kh1 Nf2 26.Rf2 Rf2 27.Rg1 Qh5 28.Nd6 Qh2# (28...Rh2#) 0–1. jura1946 – mietz, kurnik, 2012.

7.a4 Nd5 8.c4 Bb2 9.cd5 Ba1 10.Nc3 Bc3 11.dc3 Nd7 12.Be2 Nb6 13.a5 Nd5 14.Qd5 c6 15.bc6 bc6 16.Qc6 Qa5 17.0-0 Rac8 18.Qe4 Qc3 19.Qe7 Rce8 20.Qd6 Qe3 21.Kh1 Qe2 22.Rg1 Bf3 23.gf3 Qf3 24.Rg2 Re1 0–1. jura1946 – adamus1968, kurnik, 2012.

7.a4 Nbd7 8.c4 Nc5 9.d4 Ncd7 10.Be2 Nb6 11.a5 Nbd7 12.h3 Bf3 13.Bf3 a6 14.Bb7 Ra7 15.ba6 c5 16.d5 Ne4 17.Bg7 Kg7 18.0-0 e6 19.Nd2 Ng3 20.Rf3 Nf5 21.g4 Nh4 22.Rg3 e5 23.f5 g5 24.Ne4 Qc7 25.Ng5 Nf6 26.Nf3 Nf3 27.Qf3 e4 28.Qf4 h6 29.h4 Qe7 30.g5 hg5 31.Qg5 Kh8 32.Qg7 1–0. jura1946 – pkm02, kurnik, 2012.

7.a4 Nbd7 8.c4 Ne4 9.Bg7 Kg7 10.d3 Nec5 11.d4 Ne4 12.Bd3 Nef6 13.0-0 d5 14.c5 b6 15.Nbd2 bc5 16.dc5 Nc5 17.Qc2 Nce4 18.Be4 de4 19.Ne4 Bf3 20.Nf6 Bg2 21.Nh5 Kh6 22.Qg2 gh5 23.Kh1 Rg8 24.Qc6 Qd6 25.Qf3 Rad8 26.e4 f6 27.Rad1 Qe6 28.f5 Qc4 29.Qf4 Kg7 30.Rg1 Kh8 31.Qh4 Qa4 32.Rd8 Rd8 33.Qf4 Qb4 34.Qf3 Qb5 35.Qg3 Qc6 36.Qg7 1–0. jura1946 – adamus1968, kurnik, 2012.

7.a4 Nbd7 8.Be2 Nb6 9.0-0 Ne4 10.Bg7 Kg7 11.d3 Nf6 12.c4 Qd7 13.a5 Nc8 14.Nc3 b6 15.h3 Bf3 16.Bf3 Rb8 17.ab6 cb6 18.Bc6 Qc7 19.f5 Nd7 20.e4 Nc5 21.d4 Nd7 22.Nd5 Qd8 23.Qe2 Nf6 24.e5 Nd5 25.cd5 de5 26.de5 h5 27.Qe4 Qc7 28.fg6 fg6 29.Rf8 Kf8 30.Rf1 Kg7 31.Qd4 e6 32.d6 Qd8 33.Rf6 Ne7 34.Re6 Nf5 35.Qe4 Qg5 36.d7 Qc1 37.Kh2 Qg5 38.Qf3 Kf7 39.Re8 Rd8 40.e6 Kg7 41.Be4 Kh6 42.Bf5 Qf5 43.Qf5 gf5 44.Rd8 1–0. jura1946 – adamus1968, kurnik, 2012.

7.h3 Bf3 8.Qf3 c6 9.a4 d5 10.c4 dc4 11.Bc4 Nd5 12.Bg7 Kg7 13.e4 Nb4 14.Qc3 f6 15.Qb4 cb5 16.ab5 Nd7 17.0-0 Nb6 18.Be6 Qc7 19.f5 Nc8 20.Nc3 Nd6 21.Nd5 Qd8 1–0. jura1946 – sosebustusko1, kurnik, 2012.

7.h3 Bf3 8.Qf3 c6 9.a4 d5 10.c4 Nbd7 11.g4 Nc5 12.g5 Nfe4 13.Bg7 Kg7 14.d3 Nd6 15.Nd2 dc4 16.dc4 cb5 17.ab5 Nf5 18.Ra3 Qd6 19.e4 Nd4 20.Qc3 f6 21.h4 Rfd8 22.h5 Qf4 23.hg6 hg6 24.gf6 ef6 25.Bg2 Nce6 26.Rf1 Qh4 27.Kd1 Qg4 28.Bf3 Nf3 29.Rf3 Nd4 30.e5 fe5 31.b6 a6 0–1. jura1946 – xhoni555, kurnik, 2012.

4.b5 a6

5.a4 b6 6.Nf3 Bb7 7.Be2 0-0 8.0-0 d6 9.c4 Nbd7 10.d4 e5 11.Nc3 Re8 12.Nd2 (12.d5 ab5 13.ab5 Ra1 14.Ba1 Nc5+=) 12...ed4= 13.ed4 d5 14.Bf3 Nf8 15.cd5 Nd5 (worse 15...Bd5 16.Nd5 Nd5 17.Qb3+/-) 16.Qb3 Nc3 17.Bb7 Qd4 (17...Ne2!? 18.Kh1 Nd4 19.Bd4 Bd4+=) 18.Bc3 Qc3 19.Ba8 Qb3 20.Nb3 Ba1?? (better 20...Ra8 21.Rad1 ab5 22.ab5 Ne6+/-) 21.Bc6+- (21.Bc6 Rd8 22.ba6+- (22.Na1?! ab5 23.ab5 Ne6+-; 22.Ra1?! ab5 23.ab5 Rd3+-)) 1-0. onur604 (2320) - SHER1FF (2230), Casual Rapid game, lichess.org, 2021.

5.a4 c6 6.c4 0-0 7.Nc3 d5 8.Nf3 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Nb5 Bg4 (12...Nc6 13.d4=) 13.Ne5+= Bf5 (13...Be6!? 14.Be6 fe6+=) 14.Qa2+/- e6 15.Ba3 Ne4 16.Bf8 Be5 17.Ba3 Qg5 (17...Nc6 18.Be2+/-) 18.g3+- Bh3? (better 18...Qh5 19.d4 Bg7+-) 19.f4 Qg4 (19...Qf5 20.Bd3 (20.fe5 Qf3 21.Rf1 Bf1 22.Bf1 Qf2 23.Kd1 Qf1 24.Kc2 Qb5-+) 20...Nc6 21.Qc2+- (21.fe5 Qf2 22.Kd1 Qf3 23.Kc2 Qh1-/+)) 20.Be2 (20.fe5?? Qf3 21.Rf1 Bf1 22.Bf1 Qf2 23.Kd1 Qf1 24.Kc2 Qb5-+) 20...Qf5 21.Bd3 (21.fe5 Bg2 22.Qc2 Nc6+-) 21...Bg7 (21...Nc6 22.Qb1 (22.fe5 Qf2 23.Kd1 Qf3 24.Kc2 Qh1-/+) 22...Bg2 23.Rg1+-) 22.Qc4 Bg2 (22...Nc6 23.Be4 Qf6+-) 23.Qc8 (23.Qc8 Bf8 24.Qf8) 1-0. onur604 (2320) - siurbele (2200), Casual Rapid game, lichess.org, 2021.

5.a4 d5 6.Nf3 0-0 7.Be2 Bg4 8.0-0 c6 9.h3 Bf3 10.Bf3 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Qe2 Qd7 14.d4 (14.e4 de4 15.Be4 Rc8=+) 14...Nc6 15.Nd2 Ra8 16.Nb3 Nb8 (16...b4 17.Rb1=+) 17.Bb2 Qc6 18.Nc5 Ne4 19.Nd3 e6 20.Rb1 Ng5 21.Bg4 Ne4 22.h4 (22.Bf3!?=) 22...Nd7 23.h5 Nb6 24.hg6 hg6 25.Bf3 Rc8 26.Be4 de4 27.Nb4 (27.Ne1 Nc4-/+) 27...Qc4 28.Qc4 Nc4 (28...Rc4 29.Ba3-/+) 29.Bc1 Ra8 30.Kf1 f5 31.c3 Bf8 32.Ke1 Bb4 33.Rb4 Ra5 34.Rb1 (34.Kd1 e5-/+) 34...Kf7 35.Kd1 Ke7 36.f3 Kd7 37.fe4 fe4 38.g3 Kc6 39.g4 (39.Kc2 Ra2 40.Bb2 Ne3 (40...Rb2?! 41.Rb2 Nb2 42.Kb2=+; 40...Nb2?! 41.Rb2 Ra1 42.Kb3-/+) 41.Kb3 Ra6-+) 39...g5 (39...Ra2 40.Ke1-+) 40.Kc2 Ra2 41.Bb2 Kd5 (worse 41...Nb2 42.Rb2 Ra1 43.Kb3-/+; 41...Rb2?! 42.Rb2 Nb2 43.Kb2=; 41...Ne3?! 42.Kb3 Ra8 43.Re1-+) 42.Kb3 Rb2 43.Rb2 Nb2 44.Kb2 Kc4 45.Kc2 b6 46.Kd2 Kb3 (46...Kb3 47.c4 bc4 48.Ke1 c3 49.Ke2 Kc2 50.d5 ed5 51.Kf2 Kd2 52.Kf1 Ke3 53.Kg2 c2 54.Kh2 Kf3 55.Kh3 c1Q 56.Kh2 Qd2 57.Kg1 Qg2) 0-1. WG_Anonymous – Anonymous, lichess.org, 2021.

5.c4 ab5 6.cb5 d5 7.Nf3 0-0 8.d4 Ne4 9.Nc3 c5 10.Bd3 Bf5 11.0-0 cd4 12.Nd4 Nc3 13.Bc3 Bd3 14.Qd3 Nd7 15.Bb4 Re8 16.Qb3 e5 17.Ne2 Nb6 18.Rfd1 d4 19.Bc5 Na4 20.ed4 Qh4 21.Nc3 Nc3 22.Qc3 ed4 23.Bd4 Rac8 (23...Bd4 24.Rd4 (24.Qd4?? Re1 25.Re1 Qd4–+) 24...Qf6 25.a4=) 24.Qb2+= Bd4 25.Rd4 (25.Qd4?? Re1 26.Re1 Qd4–+) 25...Qf6 26.Rad1 Rc4 27.g3 h5 28.Kg2 h4 29.R1d2 Rd4 30.Qd4 h3 31.Kh3 Qf5 32.Kg2 Qb5 33.Qd7 (33.Qc3 Qf5+-) 33...Qd7 34.Rd7 Ra8 35.Rb7 Ra2 36.h4 Kg7 37.g4 Ra4 38.Kg3 Ra3 39.f3 Ra5 40.Rb6 Ra1 41.Rb2 Rg1 42.Rg2 Ra1 43.Rh2 White prepares h5 43...Ra5 44.h5 gh5 45.Rh5 Ra1 46.Rg5 Kf6 47.Rb5 Kg6 48.Re5 Kf6 49.Kf4 White prepares the advance g5 49...Ra4 50.Re4 Ra5 51.Rb4 Kg6 52.Rb6 Kg7 (52...f6 53.Rd6+=) 53.g5+- Ra1 54.Kf5 Ra5 55.Kg4 Ra1 56.f4 Rg1 57.Kf5 Ra1 58.Rb7 Ra5 59.Kg4 Ra4 60.Rd7 Rb4 61.Kf5 ½–½. Silent Move (2115) – lolly121 (2005), redhotpawn.com, 2015.

5.a4 0-0

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 d5 10.Nc3 dc4 11.Bc4 Bg4 12.d4 Nbd7 13.0-0 Nb6 14.Bd3 Nbd5 (14...cb5 15.Bb5 Nbd5 16.h3 Nc3 17.Bc3=) 15.h3 Bf3 16.Qf3 (worse 16.gf3 Nc3 17.Bc3 Nd5=+) 16...Nc3 17.Bc3 c5 (17...cb5 18.Qb7 Qc8 19.Qc8 Rc8 20.Ba5+/-) 18.Qb7 Nd5 19.Ba1 cd4 20.ed4 Nb4 (20...e6 21.Rb1+=) 21.Qe4 (21.Be4 e6+/-) 21...Nd3 22.Qd3 e5 (22...Qd5!?+/-) 23.d5 Qd6 24.Qc4 Rd8 25.Rd1 Qa3 (25...Qb8!?+/-) 26.b6+- Qa5 (26...Qf8 27.b7 Qd6 28.Rb1+-) 27.Qc7 Rd5?? (27...Rf8+-) 28.Rd5 Qd5 29.b7 Qd1 (29...Qb7 30.Qb7 h6+-) 30.Kh2 Qa1 31.b8Q Bf8 32.Qe7 (32.Qe7 Qg1 33.Kg1 h6 34.Qbf8 Kh7 35.Qef7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Nf3 d6 7.d4 Nbd7 8.Bd3 (8.Nc3 Nb6=) 8...c5 (8...ab5 9.ab5 Ra1 10.Ba1=+) 9.c4 (better 9.Nc3!?=) 9...cd4-/+ 10.ed4 e5 11.Be2 ab5 12.ab5 (12.cb5 e4 13.Nfd2 b6-/+) 12...Ra1 13.Ba1 Re8 (13...e4 14.Nfd2-/+) 14.de5 de5 15.0-0 Qc7 16.Nc3 Nc5 (16...Nb6!?-/+) 17.Nd5=+ Nd5 18.cd5 (18.Qd5?? Rd8 19.Be5 Qb6–+ (19...Rd5 20.Bc7 Rd7 21.Bf4+-)) 18...Qd6 19.Bc4 Bg4 (19...Bd7 20.Re1=+) 20.Re1 Now all is on e5 (20.h3 Bd7=) 20...Ra8 21.Qd2 (21.Qc1 Bf3 22.gf3 Nd7=+) 21...Bf3-/+ 22.gf3 Nd7 (22...Ne6 23.Bb2 Nf4 24.Bf1-/+) 23.Bc3 (23.Bb2 Bf6=) 23...Rc8 24.Bb4 Qf6 25.Be2 Qh4 26.Bf1 Bh6 27.Qb2 Bf4 28.h3 Nc5 29.Rd1 (29.Qa3 Qg5 30.Bg2 Bd2=+) 29...Qg5 (29...Nd3 30.Bd3 Qh3 31.Qa2 Bh2 32.Kh1–+) 30.Bg2 (30.Kh1 Qf5=+) 30...b6 (30...Nd3 31.Qb3 Nb4 32.Qb4=+) 31.Qa3 Qe7 32.d6 Qd7 33.Bc5 Rc5 (worse 33...bc5 34.b6 Rb8 35.Qc5+-) 34.Qa6 Kg7 (34...Rb5? 35.Qa4 e4 36.fe4+-) 35.Bf1 Qd8 36.d7 (36.Qa2 e4 37.fe4 Bd6 38.Qb2 Kh6 39.Qd2 Qg5 40.Qg5 Rg5 41.Bg2 Bf4=) 36...h6 (36...Rc2 37.Qa4 Rd2 38.Rd2 Bd2 39.Qe4 Qd7 40.Qe5 f6 41.Qe4=) 37.Qa2= h5 (37...Qg5 38.Bg2 Qd8 39.Qb3=) 38.Qb3 (38.Be2 Bg5=) 38...Bg5 (38...Bd2 39.Qa2 Bf4 40.Kg2=) 39.Bc4+= Rc7 40.Qd3 Bf6? (better 40...Bh4!?+=) 41.Qd5+- Qf8 42.Ba2 Rc2 43.Bc4 Qc5 (43...Rc3 44.Re1+-) 44.Qf7+- Kh6 45.Rf1 (45.Qf6?? Qf2 46.Kh1 Qg2) 45...Qe7 46.Rd1 Qc5 47.Rf1 (47.Qf6?? Qf2 48.Kh1 Qg2) 47...Qe7 48.Qd5 Bh4? (48...Bg5 49.Kh1 Rc4 50.Qc4 Qd7 51.Kg2+-) 49.Kh1+- Bg5?? (49...Qg5 50.Qa8 Qf6+-) 50.Bd3+- Rd2 (50...Rc7 51.h4! Kg7+-) 51.f4! Bh4 (51...ef4 52.Rg1 Combination; 51...Bf4 52.d8Q Combination) 52.Rg1 Rd3 (52...e4 53.f5 Qf8 (53...ed3?? 54.Rg6 Kh7 55.Qg8) 54.Rg6 Kh7 55.Qe4 Rd3 56.f6 Kh8 57.Qd3 Qa8 58.Kh2 Qb8 59.Kg1 Qh2 60.Kh2 Bf6 61.d8Q Bd8 62.Qd8 Kh7 63.Qg8) 53.Qd3 e4 54.Qd5 Qf6 55.Qg8 (55.Qg8 g5 56.d8Q Qd8 57.Qd8 Kh7 58.Qe7 Kg6 59.fg5 Bf2 60.Qf6 Kh7 61.Qf7 Kh8 62.g6 Bg1 63.Qh7) 1–0. Massudy (2420) – nagykutya123 (2515), lichess.org Rated Rapid game, 2020.

5.a4 ab5 6.ab5 Ra1

7.Ba1 b6 8.Nf3 0-0 9.Be2 d6 10.0-0 Bd7 11.d4 Qe8 12.c4 Ne4 13.Bd3 f5 14.Qb3 Kh8 (14...e5 15.Qc2+=) 15.Nc3+/- Nc3 16.Bc3 Be6 17.Ra1 Nd7 18.Ra7 Qb8 19.Qa3 Bf7 20.Qa1 Nf6 21.Ng5 Bg8 22.d5 Nd7?? (better 22...Qd8+/-) 23.Bg7 1-0. DEFFM – GuestVFVN, freechess.org, 2021.

7.Ba1 b6 8.Nf3 0-0 9.Be2 d6 10.0-0 e5 11.d4 e4 12.Nfd2 Re8 13.c4 Nbd7 14.Nc3 Nf8 (14...Qe7!?=) 15.Bb2 h6 16.Qb3 g5 (16...Bf5 17.Ra1+-) 17.Ra1 Bf5 18.Na2 (18.Nf1 Ne6+-) 18...d5 (18...Qd7 19.Nb4+-) 19.Nb4 dc4 20.Bc4 Bg6 (20...Be6!?+-) 21.Nc6+- Qd7 1–0. onur604 (2285) – tomyumchess (2145), lichess.org, 2020.

7.Ba1 d6 8.Nf3 0-0 9.d4 Nbd7 10.Be2 c5 11.c4 cd4 12.ed4 d5 (12...Nb6 13.0-0=+) 13.c5 Nb8 (better 13...Ne4!? 14.Nbd2 Nd2 15.Nd2 e5=) 14.0-0+- Ne4 15.Nbd2 (15.Nc3 Nd7 16.Nd5 Ndc5 17.dc5 Ba1+-) 15...Bf5 16.Nh4 Nd2 (16...Bd7 17.Qc2 e5 18.Nhf3 Nd2 19.Qd2+=) 17.Qd2+- Bd7 18.Nf3 Qe8 (18...Bf5 19.Qa2+-) 19.Qb4 Bg4 (19...Bf6 20.Qb3+-) 20.Bb2 (20.h3 Be6+-) 20...e6 (20...Qc8!?+-) 21.Ra1+- Nd7 (21...Qc8+-) 22.c6 bc6 (22...Nb6 23.Qc5 (23.cb7?! Qb8=) 23...Bf3 24.gf3 bc6 25.Qb6 cb5 26.Bf1+-) 23.bc6 Nf6 (23...Qb8 24.Qb8 Nb8+-) 24.c7 Qc6 (24...e5 25.de5 Ne4+-) 25.Rc1 Qa8 (25...Qe8 26.h3 Bf3 27.Ba6+-) 26.Qf8!! Bf8 (26...Qf8 27.c8Q Combination; 26...Bf8 27.c8Q Combination; 26...Kf8 27.c8Q Double attack) 27.c8Q Qc8 28.Rc8 Kg7 29.h3 Bf3 30.Bf3 Ne4 (30...h5+-) 31.Be4 de4 (31...Bb4 32.Bd3+-) 32.d5 f6 33.Rc7 Kh6 34.de6 Kg5 35.Rf7 Bc5 36.Bf6 Kh6 37.g4 e3 (37...g5 38.Bh8 Be7 39.Re7 Kg6 40.Rg7 Kf6 41.e7 Ke5 42.e8Q Kd4 43.Qc6 Kd3 44.Rd7 Ke2 45.Qe4) 38.g5 (38.g5 Kh5 39.Rh7) 1–0. DEFFM – GuestZTDM, freechess.org, 2019.

7.Ba1 0-0

8.c4 b6 9.Nf3 c5 10.Be2 Bb7 11.0-0 d5 12.d4 dc4 (12...Nbd7!?=+) 13.dc5+= bc5 14.Nbd2 c3 (14...Nbd7 15.Nc4 Qa8 16.Bc3+=) 15.Bc3 Ne4 (15...Nbd7!?+=) 16.Bg7+- Kg7 17.Ne4 Be4 (17...Qd1 18.Rd1 (18.Bd1?! Be4 19.Be2 Nd7+=) 18...Be4 19.Ne5+-) 18.Qa1+- f6 19.Qa7 Kf7? (19...Qd7 20.Qc5 Rc8 21.Qa3+-) 20.Rd1 Qe8 (20...Qc8 21.Bc4 Ke8 22.Ne1+-) 21.Bc4 Kg7 22.Be6 Bf3 23.gf3 Kh6 24.Qc5 g5 (24...f5 25.Qe5+-) 25.b6 Qh5 (25...Kg7 26.b7+-) 26.Qe7 Re8 27.Qf6 Qg6 28.Qg6 Kg6 29.Rd6 Kg7 30.b7 Re7 31.Bc8 Kf7 32.e4 Rc7 33.e5 (33.Kg2 Ke7 34.e5 Ke8+-) 33...Ke7 (33...Ke8 34.Rd5+-) 34.h4! gh4 35.f4 h5 (35...Rc6 36.Rc6 Nc6+-) 36.f5 White intends e6 36...h3 37.Rh6 Rc5 38.f6 Kf7 39.e6 Kg8 40.f7 Kg7 41.Rh8! Rg5 (41...Kh8 42.f8Q Double attack) 42.Kh1 Rf5 (42...Kf6 43.f8Q Ke5 44.e7 Rg1 45.Kg1 h2 46.Kh2 Nd7 47.e8Q Kd5 48.Qb4 Nc5 49.b8Q h4 50.Rh5) 43.e7 (43.e7 Nd7 44.Bd7 Rc5 45.f8Q Kg6 46.e8Q Kg5 47.Qh5) 1–0. onur604 (2320) – Chessterfild (2085), lichess.org, 2020.

8.Nf3 d5 9.Be2 Ne4 (9...c5 10.bc6 Nc6 11.0-0=) 10.Bg7+= Kg7 11.d3 Nd6 12.Nc3 c6 13.Qa1 f6 14.Qa7 Nd7 (14...Bg4!?+=) 15.bc6+- bc6 16.Nd4 Ne5 (16...Kf7 17.Nc6 Qb6 18.Qb6 Nb6 19.Kd2+-) 17.f4 Qd7 (17...Ng4 18.Nc6 Qd7 19.Qd7 Bd7 20.Bg4 Bc6 21.Be6+-) 18.Qd7+- Nd7 19.Ne6 Kf7 20.Nf8 Kf8 21.Kd2 Nc5 (21...e5 22.Ra1+-) 22.Ra1 h5 (22...e5 23.fe5 fe5 24.d4 ed4 25.ed4+-) 23.Ra8 Kf7 24.Ra7 Be6 (24...Ncb7 25.d4+-) 25.Rc7 (25.Bf3 Ncb7+-) 25...Bd7 26.f5! Ne8 (26...Nf5 27.e4 Double attack (27.e4 Decoy); 26...Bf5 27.Rc6 Deflection; 26...gf5 27.Bh5 Deflection) 27.fg6 Kg6 28.Ra7 Nd6 29.d4 Nce4 (29...Ncb7+-) 30.Ne4 Ne4 31.Ke1 Be8 (31...Bf5+-) 32.Re7 Bf7 33.Bh5! Kh5 34.Rf7 Kg6 35.Rc7 1–0. onur604 (2320) – player58 (1950), lichess.org, 2020.

8.Nf3 c6

9.c4 cb5 10.cb5 Re8 11.Qb3 b6 12.Be2 e6 13.0-0 d5 14.Nc3 Nbd7 15.d4 Qc7 16.Bb2 Bb7 17.Rc1 Qd8 18.Na2 e5 19.Nb4 ed4 (19...e4 20.Nd2+/-) 20.Nd4 (20.Bd4 Qb8+/-) 20...Ne5 (better 20...Nc5 21.Qa2 Qd6+=) 21.Ndc6+- Bc6 22.Nc6 Nc6 23.bc6 Qc7 24.Bd4 Ne4 25.Bb6 (worse 25.Qd5 Bd4 26.Qd4 Nc5+-) 25…Qb7 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.c4 cb5 10.cb5 Ne8 (10...d6 11.Nc3=+) 11.d4 (11.Bg7 Kg7 12.h4 Nf6=) 11...Qc7 (11...d5 12.Nc3=) 12.Bd3+= Qa5 (12...d5 13.Nc3 Nf6 14.0-0+=) 13.Nc3 Nd6 (13...Nf6!?+-) 14.0-0+- Nb5?? (better 14...Qd8+-) 15.Nb5 1–0. DEFFM – GuestFSWM, freechess.org, 2019.

9.c4 d5 10.Nc3 e6 (10...Nbd7 11.Be2=) 11.Be2= Qd6 12.0-0 e5 (12...Nbd7 13.Bb2+=) 13.cd5 (13.d4 e4 14.Ne5 Be6+=) 13...cd5= 14.d4 e4 15.Ne5 Nbd7 (15...Be6 16.Bb2=) 16.Na4+= Ne5?? (better 16...Qe7+=) 17.de5+- Qe5 1–0. DEFFM – GuestJDPG, freechess.org, 2019.

9.c4 d5 10.Nc3 Re8 11.cd5 cd5 12.Be2 Nbd7 (12...Bg4 13.d4=) 13.d4 Qa5 (13...Nb6 14.Ne5=) 14.0-0+= Nb6 15.Qb3 Bf5 16.Bb2 Qa8 17.Ra1 Qb8 18.Ba3 e6 19.Nh4 Ne4 (19...Ng4 20.g3+=) 20.Nf5 gf5 21.Ne4 fe4 22.Bc5 Nd7 23.Bb4 b6 (23...Rc8 24.Be7+=) 24.Rc1+- Bf8 25.Bd2 Bd6 26.g3 Kh8 (26...Rc8 27.Rc6+=) 27.Rc6 Rg8 28.Kg2 (28.Bb4 Bb4 29.Qb4 Qf8+-) 28...Nf6 (28...Qf8 29.f3+=) 29.Bc3 Ng4 (29...Kg7!?+=) 30.Bg4+- Rg4 31.Bb4 Bb4 32.Qb4 Qg8 (32...Qd8 33.Qd6 Qf6 34.Kg1+-) 33.Qd6+- h5?? (better 33...h6+-) 34.Qe5 (34.Qe5 Rg7 35.Rb6+-; 34.Rb6?! Kh7+-) 1–0. onur604 (2320) – mind_soar (2290), lichess.org, 2020.

9.c4 d5 10.cd5 Nd5 11.Bg7 Kg7 12.Qb3 Qa5 13.Qb2 Nf6 14.Nc3 Nd5?? (better 14...Rd8=) 15.Nd5+- (15.Nd5 f6 16.Nc3+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.Ba1 c6

8.c4 cb5 9.cb5 Qa5 10.Nc3 0-0 11.Nf3 d6 12.Be2 e5 13.0-0 e4 (13...Bf5 14.d4+=) 14.Ng5 (14.Nd4+=) 14...Nbd7?? (better 14...d5=) 15.Nce4+/- Ne4 (15...h6 16.Nf6 Nf6 17.Bf6 Bf6 18.Ne4+/-) 16.Ne4+- Ba1 17.Qa1 Qa1 (17...Qb6 18.Qa2 Re8 19.Qc4+-) 18.Ra1 Nc5 (18...d5 19.Nd6 Rd8+-) 19.Nd6 Bf5 (19...Nb3 20.Ra3 Be6 21.d4+-) 20.d4 Ne4 21.Nb7 Nc3 (21...Rb8 22.Nc5+-) 22.Bf1 Be4 23.Nc5 Bd5 24.Rc1 Ne4 25.f3 Nd6 (25...Nd2 26.e4 Nb3 27.Rc3 Nc5 28.dc5+-) 26.Nd7 Rd8 27.Nf6 Kg7 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

8.c4 cb5 9.cb5 Qa5 10.Bc3 Qb6 11.Bd4 Qa5 12.Nf3 0-0 13.Bc3 Qb6 14.Be2 Ne4 15.Bg7 Kg7 16.0-0 d6 (16...d5 17.Qc2=) 17.Qa4+= Bd7 Attacking the isolated pawn on b5 1–0. DEFFM – IVOOOO, freechess.org, 2019.

8.c4 cb5 9.cb5 Qa5 10.Bc3 Qb6 11.Nf3 0-0 12.Be2 Ne4 13.0-0 Nc3 (13...d5 14.Bg7 Kg7 15.Nc3 Nc3 16.dc3=) 14.Nc3+= e6 15.e4 (15.d4 d5+=) 15...d6= 16.d4 Bd7 The isolani on b5 becomes a target 17.Na4 (17.Qd3 Qa5=) 17...Qa5 18.Qb3 Nc6?? (better 18...Rc8=) 19.bc6+- (19.bc6 bc6 20.Qb7 Qa4 21.Qd7+-) 1–0. DEFFM – GuestDWJN, freechess.org, 2019.

8.c4 cb5 9.cb5 Qa5 10.Nc3 0-0 11.Nf3 b6 (11...d5 12.Be2=) 12.Qa4+= Bb7 13.Be2 (13.Qa5 ba5 14.Nd4 Bd5+=) 13...Nd5 (13...Qa4 14.Na4 Rc8 15.0-0=) 14.Qa5 ba5 15.Nd5 Bd5 16.0-0 (16.Bg7 Kg7 17.d4 d6+=) 16...d6 (16...Rc8!?+=) 17.Bg7+- Kg7 18.Ra1 Nd7 (18...Rc8 19.h4+- (worse 19.Ra5 Rc1 20.Bf1 Bc4-/+)) 19.Ra5 Ra8 (19...Rc8 20.h4+-) 20.Ra8+- Ba8 21.Nd4 Nb6 22.f4 e5 23.fe5 de5 24.Nc6 Bc6 (24...e4 25.d4+-) 25.bc6 Nd5 (25...Kf6 26.d4+-) 26.d4 e4 (26...Kf6+-) 27.Bc4 Ne3 (27...Nb6 28.c7 Kf8+-) 28.c7 (28.c7 Nc4 29.c8Q+-) 1–0. onur604 (2320) – ludlud (2000), lichess.org, 2020.

8.c4 d5 9.Nf3 Bg4 10.cd5 Qd5 11.Nc3 Qd8 12.Be2 0-0 13.0-0 Qc7 (13...cb5 14.Qb3=) 14.h3 Bd7 15.d4 Qa5 (15...Rc8 16.Qb3+=) 16.Ne5 Be8 (16...Rc8 17.Qd3+=) 17.Nc4 Qd8 18.bc6 Bc6 19.Ne5 Nd5 20.Nc6 bc6 21.Qb3 e6 22.Rc1 Qa5 23.Ne4 Rd8 24.Bb2 Bf8 (24...Qc7 25.Bc4+=) 25.Qc2 Nb4 (25...Bb4 26.Ra1 Qc7 27.Nc5+/-) 26.Bc3 (better 26.Qc3 Qf5 27.d5+/-) 26...Qd5?? (better 26...Be7+/-) 27.Bb4+- Bb4 (27...Kg7 28.Bf8 Rf8+-) 28.Nf6 (28.Nf6 Kg7 29.Nd5 ed5 30.Qb2+-) 1-0. onur604 (2320) - Delaroda80 (2150), Casual Rapid game, lichess.org, 2021.

8.Nf3 0-0 9.c4 Qa5 10.Nc3 Ne4 (10...d5 11.bc6 bc6 12.Qa4 Qa4 13.Na4=) 11.Ne4 (11.Nd4 Nc5=) 11...Qa1 (11...Ba1 12.Qb3=) 12.Qa1+= Ba1 13.Be2 Bg7 (13...d5 14.cd5 cd5 15.Nc3=) 14.0-0 (14.d4 d6+=) 14...d5 (14...f5 15.Nc3=) 15.cd5 cd5 16.Nc5 (16.Nc3 Rd8+=) 16...b6 (16...e5 17.d4 e4 18.Nd2+=) 17.Na4+= Nd7 18.Rc1 Bb7 19.Rc7 Bc8 20.h3 (better 20.d4+-) 20...Nc5?? (better 20...h6+-) 21.Nb6+- Be6 22.Rc5 Rb8 (22...Rd8 23.Ng5+-) 23.Na4 (23.Nd5 Bd5 24.Rd5 Kf8+-) 23...Ra8 (23...d4 24.Nd4 Bd4 25.ed4+-) 24.Nc3 (24.b6 Rb8+-) 24...Bd7 (24...Bc3 25.Rc3 Kf8 26.Ng5+-) 25.Nd5 e6 26.Nb6 Be8 (26...Ra1 27.Kh2 Ra7+-) 27.Na8 (27.Na8 Bf8 28.Rc7 Bb5 29.Bb5+-) 1–0. BeepBeepImAJeep (2570) – wik8chess (1635), lichess.org, 2018.

4.b5 b6

5.a4 a5 6.Nf3 Bb7 7.Be2 0-0 8.d4 d6 9.0-0 c5 10.c4 (10.bc6 Nc6 11.Nbd2 Qc7+=) 10...Ne4 (10...cd4 11.ed4 Nbd7 12.Re1=) 11.Nbd2 Nd7 12.Ne4 Be4 13.Nd2 Bb7 14.f4 f5 15.Bf3 Qc7 16.Qb3 Kh8 (16...Bf3!? 17.Nf3 e6=) 17.d5+= Nf6 18.e4 fe4 19.Ne4 Ne4 20.Bg7 Kg7 21.Be4 Bc8 (21...e6 22.Qc3 Kg8 23.Qd2+=) 22.Rae1+- Bf5 (22...Rf6 23.Qg3 Bf5 24.Bf5 Rf5 25.Qh4+-) 23.Bf5 Rf5 24.Re6 Raf8 25.Rfe1 R8f7 26.g3 Kf8 27.Qc3 Threatening mate: Qh8 27...Rg7? (better 27...R5f6!?+-) 28.Qg7+- (28.Qg7 Kg7 29.Re7 Qe7 30.Re7 Rf7 31.Rf7 Kf7 32.g4+-) 1–0. GuestKXKG – GuestFTHZ, freechess.org, 2020.

5.a4 Bb7 6.Nf3 d5 7.d4 Nbd7 8.c4 a6 9.Nbd2 ab5 10.ab5 0-0 11.Ra8 Qa8 12.Be2 Qa2 (12...c5 13.bc6 Bc6 14.0-0=) 13.Qc2+= Ne4 (13...Ra8!?+=) 14.0-0+- Nd2 15.Nd2 (15.Qd2?! dc4 16.Rc1 Bd5=) 15...Qa8 (15...Qa7!?+-) 16.cd5+- Bd5 17.e4 Bb7 18.Qc7 Qc8 19.Rc1 Nf6 (better 19...Bh6 20.f4 Rd8+-) 20.Qb6 Qb8 21.f3 (21.Rc7 Be4 22.Qb8 Rb8 23.Re7 Bd5+-) 21...Nd7 (21...Rc8 22.Rc8 Qc8 23.Nc4+-) 22.Qc7 Nf6 23.Qe7 Nh5 (23...Nd5 24.Qh4 Re8 25.Bd3+-) 24.Rc7 (24.Qc7 Qa7 25.b6 Qa5+-) 24...Ba8 (24...Ba6 25.Rc5+- (worse 25.ba6 Qb2 26.Qg5 Bd4 27.Kh1 Be5=+)) 25.Bc4 Qe8 (25...Kh8+-) 26.Qe8 (26.Qe8 Re8 27.Bf7 Kf8 28.Be8 Ke8 29.Rc8 Kd7 30.Ra8+-) 1–0. DEFFM – GuestLSGF, freechess.org, 2020.

5.c4 c6 6.a4 cb5 7.ab5 0-0 8.Nf3 Bb7 9.Be2 d6 10.0-0 Qd7 11.Qb3+- a5 12.d4 (12.ba6 Na6 13.d4 Bc6+-) 12...Qe6 (12...Qf5 13.Nbd2+=) 13.d5 (13.Nbd2 Rc8+-) 13...Qe4 (13...Qc8!?+=) 14.Nbd2 Qf5 15.Nd4 Qd7 (15...Qc8 16.Nc6 Re8 17.c5+-) 16.Nc6+- Bc6? (better 16...Qe8+-) 17.bc6+- Qc7 (17...Qa7 18.Bd4 a4 19.Qb4+-) 18.Bd4 Ra6 19.Rfb1 Nbd7 (19...Nh5+-) 20.cd7 Qd7 (20...Rfa8 21.c5 dc5 22.Bf6 Bf6 23.Ba6 Ba1 24.Qb6 Qd7 25.Ra1 Qd5 26.Nc4+-) 21.c5 dc5 (21...a4 22.Qd3 dc5 23.Bf6+-) 22.Bf6 Bf6 (22...a4 23.Qa2 (23.Ba6?! ab3 24.Bg7 Kg7+=) 23...Bf6 24.Ba6 Ba1 25.Bb5+-) 23.Ba6 Ba1 24.Ra1 Rb8 (24...Qf5 25.Qb6 Qd5 26.Qa5+-) 25.Ra5! c4 (25...ba5 26.Qa3 Double attack (26.Qb8 Pinning; 26.Qb8 Deflection; 26.Qb8 Decoy)) 26.Nc4 ba5 (26...Qd8 27.Rb5+-) 27.Qb8 Kg7 28.Qb2 f6 (28...Kg8 29.Qb5 Qg4 30.f3+-) 29.Qb5 Qf5 (29...Qc7 30.Qa5 Qb8 31.Qb5 Qb5 32.Bb5+-) 30.Na5 Qc2 (30...h5+-) 31.Qd7 Qc5 32.Nc6 Kh6 33.Ne7 Qb6 (33...Qc1 34.Bf1 Qe3 35.fe3 Kg5 36.Ng8 h6 37.Qh3 h5 38.Be2 f5 39.Qg3) 34.Ng8 Kg5 (34...Kh5 35.Qh3 Kg5 36.f4) 35.f4 Kh5 (35...Kh4 36.Qh3) 36.Qh3 1–0. DEFFM – GuestPDQG, freechess.org, 2019.

5.Be2 Bb7 6.Nf3 0-0 7.0-0 d6 8.d4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Ne4 12.Nbd2 Nd2 13.Nd2 Nd7 14.c4 e5 15.Bf3 Bf3 16.Qf3 ed4 17.ed4 Nf6 18.Bb2 (18.d5 Re8+=) 18...d5= 19.c5 Ne8 (19...Re8 20.Bc3=) 20.cb6 (20.Ba3 bc5 21.Bc5 Nd6+=) 20...cb6+= 21.Ba3 Bd4 (21...Nd6!?+=) 22.Bf8+/- Kf8 23.Qd3 Qf6 (23...Be5 24.Re1 Bd6 25.Rc1+/-) 24.Nf3+- Bc5 25.Qd5 Nc7 26.Qc6 Qc6 (better 26...Ne6+-) 27.bc6 Ke7 28.Rd1 Ne6 (28...Ke8 29.Rd7 Ne6 30.Ne5+-) 29.Rd7 (29.Ng5 Nd4 30.c7 Kd7+-) 29...Kf6 (29...Ke8 30.Ne5 f6 31.Ng4+-) 30.c7 (30.c7 Nc7 31.Rc7+-) 1-0. onur604 (2320) - Sergey0812 (2165), Casual Rapid game, lichess.org, 2021.

5.Nf3 0-0 (--> 4.b5 0-0 5.Nf3 b6).

5.Nf3 c5 6.c4 Bb7 7.Be2 0-0 8.0-0 d5 9.d4 cd4 10.ed4 dc4 11.Bc4 Nd5 12.Nbd2 Nd7 (12...a6 13.Qe2=) 13.a4 a5 (13...Rc8 14.Rc1=) 14.Qb3 (14.ba6!? Bc6 15.Rc1+/-) 14...N7f6= 15.Ne5 Rc8 16.Ndf3 Ne4 (16...e6 17.Ba3 Re8 18.Rac1=) 17.Rad1 (17.Rac1 Nef6=) 17...Nef6 18.Ba3 Re8 19.Ng5 Rf8 20.Rfe1 h6? (better 20...Rc7+=) 21.Ngf7+- Rf7 22.Nf7 Kf7 23.Re7 Qe7 24.Be7 Ke7 25.Re1 Kf7 26.Re5 Rd8 27.Qh3 Bc8 (better 27...Kg8+-) 28.Qg3 g5 (28...Rd7 29.Bd5 Nd5 30.Qf3 Nf6 31.Qb3 Rd5+-) 29.Rd5! Nd5 (29...Rd5 30.Qc7 Double attack; 29...Nd5 30.Qc7 Double attack (30.Qc7 Deflection)) 30.Qc7 (30.Qc7 Ke8 31.Qg7+-) 1-0. onur604 (2320) - geldi (2100), Casual Rapid game, lichess.org, 2021.

5.d4 Bb7

6.a4 0-0 7.Nf3 a6 8.c4 ab5 9.ab5 Ra1 10.Ba1 d5 11.Be2 dc4 12.Bc4 c5 (12...c6 13.0-0=) 13.bc6 (13.dc5 bc5 14.Qd8 Rd8+=) 13...Nc6= 14.0-0 Ne4 15.Nbd2 Nd2 16.Nd2 Qd7 (16...e5 17.d5 Na5 18.e4=) 17.Qb1+= h6 (17...Na5 18.Bd3 Qc6 19.e4+=) 18.Be2 (18.Qg6 Na5 19.Ba2 Qa4+/-) 18...Kh7 (18...Qd8 19.Nc4+/-) 19.Ne4 (19.Qb6!? Rb8 20.Rc1+/-) 19...Qc7 20.Rd1 e6 21.Bf3 Ne7 22.Rc1 Bc6 23.Nd2 Qb7 24.Bb2 Rc8 25.Ba3 Bf3 26.Rc8 (worse 26.gf3 Rc1 27.Qc1 Nf5=+) 26...Nc8 27.Nf3 (worse 27.gf3 e5 28.de5 Be5=+) 27...Qc6 28.Qc1 (28.Qb2!?=) 28...Qc1=+ 29.Bc1 b5 30.Kf1 Nb6 31.Ke2 Kg8 32.Kd3 Nc4 33.Nd2 Nd2 34.Bd2 Bf8 35.Kc3 f5 36.Kb3 Kf7 (better 36...Bd6!?=) 37.Bb4+/- Bg7 38.Bc5 e5 39.Kb4 (39.d5 Ke8+/-) 39...ed4 (39...Ke6 40.de5 Be5 41.h3+= (41.Kb5?! Bh2 42.Kc4 g5=)) 40.Bd4+/- (worse 40.ed4 Ke6=+) 40...Ke6?? (better 40...Bf8 41.Kb5 Ke6+/-) 41.Bg7+- h5 42.Bh6 Kd5 (42...Kf6 43.h4+-) 43.Bf4 (43.Kb5 Ke6+-) 43...Ke4 44.Kb5 Kd3 45.g3 (45.h4!? Ke2+-) 45...Ke2 46.g4! hg4 (46...fg4 47.e4 Passed pawn; 46...hg4 47.Bg3 Combination) 47.Bg3 Kf3 (47...Kd3 48.Kc6+-) 48.Kc5 g5 Black intends f4 (48...Ke4 49.Kd6+-) 49.Kd6 (49.Kd4 f4+-) 49...f4 (49...Ke4 50.Ke6+-) 50.ef4 gf4 51.Bf4 (better 51.Ke5 fg3 52.hg3 Kf2+-) 51...Kf4 52.Ke6 Kf3 (52...Kg5+-) 53.h4 (better 53.Kf5+-) 53…gh3-+ (53...gh3 54.Kd6 Kf2 55.Ke6 h2 56.Ke5 Ke3 57.Ke6 h1Q 58.Kd6 Qd1 59.Ke6 Qb3 60.Ke5 Qb5 61.Kf6 Ke4 62.Kf7 Kf5 63.Kg7 Qd7 64.Kf8 Kf6 65.Kg8 Qg7) 0-1. ClayPigeons (2140) - seborz (2205), Rated Bullet game, lichess.org, 2021.

6.Nf3 0-0 7.a4 a5 8.Nbd2 d6 9.Be2 Nbd7 10.0-0 Re8 11.Bc4 Bd5 (11...c5 12.bc6 Bc6 13.Bb5 Bb5 14.ab5+=) 12.Qe2 c5 13.bc6 Bc6 14.Ba2 Bd5 (14...Qc7 15.Bb3=) 15.c4 Be4 (15...Bc6 16.Bb3+=) 16.Ne4 Ne4 17.c5 bc5 18.Bd5 Rb8? (better 18...Ndf6 19.Ba8 Qa8+=) 19.Be4+- 1-0. DEFFM – GastWAL, freechess.org, 2021.

6.Nf3 d6 7.c4 Nbd7 8.Be2 0-0 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa8 13.Nc3 e5 14.Qb3 (14.d5 Qa3+=) 14...ed4= 15.ed4 Ne4 (15...Nh5 16.Bb2=) 16.Rd1 Re8 17.Bb2?? (better 17.Re1=) 17...Nc3-+ 18.Bd3 (18.Bc3 Re2 19.d5 Nc5-+) 18...Ne4 (better 18...Nd1 19.Qd1 Bf3 20.gf3 d5-+) 19.d5 (19.Qc2 Qd8-+) 19...Bb2 (19...Ndc5 20.Qc2-+) 20.Qb2 f5 21.h3 Ndc5 22.Bb1 (22.Bc2 Qd8-+) 22...Qd8 23.Nd4 Qf6 24.f3 (24.Be4 fe4 25.Qc3 Nd3-+) 24...Ng3 (better 24...Na4 25.Qb3 Nec3 26.Ne6 Nd1 27.Qd1-+) 25.Qf2 Nh5 26.Bc2 f4 27.Kh2 Re3 28.Rd2 (28.Qd2 Ng3-+) 28...Ng3 (28...Rc3 29.Qe1-+) 29.Bb1 Bc8 (29...Rc3 30.Ne2 Rc4 31.Ng3 fg3 32.Qg3-+) 30.Bc2 (30.Rd1 Nb3 31.Nb3 Re2 (worse 31...Rb3 32.Qa2 Re3 33.Qa8-+) 32.Qe2 Ne2-+) 30...Qe5 31.Bd1 (31.Rd1 Ne2 32.Ne2 Re2-+) 31...Nd7 (31...Re1 32.Qg1 Rg1 33.Kg1 Qe1 34.Kh2 Qh1) 32.Bc2 Nf6 33.Nc6 (33.Rd1 Bd7-+) 33...Qe8 (better 33...Qc3 34.Kg1 Qc4-+) 34.Bd3 (34.Nd4 Rc3 35.Rd1 Rc4-+) 34...Bd7 (34...Re1 35.Qf1 Rf1 36.Bf1 Nf1 37.Kg1 Nd2 38.Nd8 Qe1 39.Kh2 Nf1 40.Kg1 Ng3 41.Kh2 Qh1) 35.Nd4 (35.Rd1-+) 35...Bc8 (better 35...Re1 36.Bf1 Rf1 37.Qf1 Nf1 38.Kg1 Nd2 39.Nc2 Qe2 40.Ne3 fe3 41.Kh2 Nf3 42.Kg3 Nh5) 36.Nc2?? (36.Nc6 Re1 37.Rd1 Rd1 38.Qf1 Nf1 39.Bf1 Rf1 40.Ne5 Qe5 41.h4 Qe1 42.c5 Qh4) 36...Nd7 37.Ne3 fe3 (37...Qe3?! 38.Qe3 fe3 39.Rd1=) 38.Qe2 (38.Qe1 Qe5 39.Ra2 Nf1 40.Kg1 Qh2 41.Kf1 Qh1 42.Ke2 Qg2 43.Ke3 Qa2 44.Qh4-+) 38...ed2 (better 38...Ne2 39.Re2 Qe5 40.Kh1 Qd4-+) 39.Qe8+- Nf8 40.Qc8 (better 40.Be2 Bd7 41.Qe7 Ne2 42.Qe2+-) 40...d1Q= 41.Qe8?? (better 41.Kg3 Qd3 42.Qc7=) 41...Qd3-+ 42.Qe7 (42.Kg3 Qc4 43.Qe7-+) 42...Qf5 (better 42...Nf1 43.Kg1 Ne3-+) 43.h4? (43.Kg3 Qe5 44.Qe5 de5-+) 43...Qf7 (better 43...Qf4 44.Qg5 Nf1 45.Kg1 Qc4-+) 44.Qe3?? (better 44.Qf7 Kf7 45.Kg3-+) 44...Qf4 (better 44...Nf1 45.Kg1 Ne3-+) 45.Qf4+- Nf1 (45...Nf1 46.Kh1 Nd7+-). ClayPigeons (2150) - NMGsarov (2320), Rated Bullet game, lichess.org, 2019.

5.Nf3 a6

6.a4 0-0 7.Be2 (7.Nc3 Ne4=) 7...ab5 8.ab5 Bb7 (8...Ra1!? 9.Ba1 d6=) 9.Ra8 Ba8 10.0-0 c5 11.c4 d6 12.Nc3 Nbd7 13.Qc2 Qc7 14.Qb3 Qb7 (14...Bb7 15.Ra1=) 15.d3 d5 16.Re1 (16.cd5 Nd5 17.Ra1 Nc3 18.Bc3 Rd8+=) 16...dc4 17.dc4 Ne5 (17...Qc7 18.Ra1=) 18.Ra1+= Nfd7? (18...Ned7 19.Ne1 Qc7 20.Bf3 Bf3 21.Nf3+=) 19.Nd5?? (better 19.Ne1+-) 19...e6+= 20.Ne7 Kh8 21.Qd1 (21.Ne1 Qc7 22.f4 Bf6=) 21...Qc7 22.Ng5 Re8 23.f4 (23.Nc6 Bc6 24.bc6 Nb8+= (worse 24...Qc6 25.Ra7+-)) 23...h6 24.Ng6 (better 24.Ne6 fe6 25.fe5=) 24...fg6?? (better 24...Ng6 25.Nf7 Kh7=+) 25.Ne6+- Re6?? (better 25...Qb7 26.Ra8 A) 26...Qa8?? A1) 27.fe5 Re6 (worse 27...Be5 28.Be5 Ne5 29.Nc7+-; worse 27...Ne5 28.Nc7 Qd8 29.Ne8 Qe8 30.Qd5+-) 28.Qd7 Qe8=+; A2) 27.Ng7 Re7 A21) 28.Be5 Ne5 29.Nh5 gh5 30.fe5 Kg7=+ (worse 30...Re5 31.Qd6 Qa1 32.Bf1+=); A22) 28.fe5?! Kg7 29.Qd6 Qe8 30.e6 Nf6+-; A23) 28.Ne6+-; B) 26...Ra8 27.fe5 Ra2+-) 26.Ra8+- Kh7 (26...Nb8 27.fe5 Kh7 28.Qa1+-) 27.Qd5 (27.fe5?! Ne5 28.Qd5 Qf7+-; 27.Be5?! Ne5 28.Qd5 Qd6+-) 27...Rd6 (27...Qd6 28.fe5 Ne5+-) 28.Qg8 1–0. DEFFM – GuestKHQT, freechess.org, 2019.

6.a4 ab5 7.ab5 Ra1 8.Ba1 d5 9.Be2 0-0 10.0-0 Re8 11.d4 Qd6 12.Nbd2 Bg4 13.c4 dc4 14.Nc4 Qd5 15.Nce5 Bf5?? (better 15...Bf3 16.Bf3 Qb5+/-) 16.Bc4+- Qb7 17.Bf7 Kh8 18.Be8 Ne8 19.Qb3 Nd6 (19...e6 20.Bb2+-) 20.Nf7 Nf7 21.Qf7 (21.Qf7 Qc8 22.Qe7+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.a4 Bb7 7.Be2 d6 8.d4 Nbd7 9.c4 ab5 (9...0-0 10.0-0=) 10.ab5+= Ra1 11.Ba1 0-0 12.Nbd2 (12.0-0 e5+=) 12...Ne4 (12...e5 13.0-0 ed4 14.Nd4=) 13.0-0+= Ndf6 14.Ne4 Ne4 15.Qc2 Qd7 16.Bb2 Ra8 17.Bd3 f5 18.Qb3 d5 19.Rc1 e6 20.c5 bc5 21.dc5 Bb2 22.Qb2 Qg7 23.Nd4 e5 (23...Qe7!?+=) 24.Ne6+/- Qf7 25.Qe5 Re8 26.Qc7 Re6 27.Qf7 Kf7 28.c6 Bc8 29.b6 Nd6 30.Ra1 Ke7? (better 30...h6+-) 31.Ra7 White prepares the advance b7 31...Kd8 (31...Kf6 32.b7 Bb7 33.cb7 Nb7 34.Rb7 Re7+-) 32.Ra8 Ke7 33.Rc8! Nc8 34.b7 Rc6 35.b8Q Rc1 36.Bf1 Nd6 (36...Kf7 37.g4!+-) 37.Qb2 Rc7 38.Qe5 Kd7 39.Qd5 Ra7 (39...Rb7+-) 40.Bb5 Ke7 41.Qe5 (41.Qe5 Kf7 42.Qd6 Ra1 43.Bf1+-) 1-0. onur604 (2320) - GBL888 (2155), Casual Rapid game, lichess.org, 2021.

5.Nf3 Bb7

6.a4 c6 7.c4 cb5 8.ab5 a6 9.Be2 (9.Nc3 0-0+=) 9...d5 (9...ab5 10.Ra8 Ba8 11.cb5+=) 10.cd5 Nd5?? (better 10...0-0+=) 11.Bg7+- Rg8 12.Be5 (better 12.Bd4 a5+-) 12...Nd7 (12...a5+-) 13.ba6 Bc6 14.0-0 b5 (14...Ne5 15.Ne5 Qd6 16.Nc6 Qc6 17.Qb3+-) 15.Qb3 Qb6 (15...Rc8 16.e4 N5f6 17.Bf6 ef6 18.Bb5 Bb5 19.Qb5+-) 16.Rc1 Ra6 (16...b4 17.Bd4 Qc7+-) 17.Ra6 Qa6 18.Bb5! Bb5 (18...Qb5 19.Nd4 Double attack (19.Nd4 Decoy); 18...Bb5 19.Nc3 Double attack (19.Qd5 Deflection; 19.Nc3 Decoy; 19.Qd5 Overloading)) 19.Qb5 Qb5 20.Rc8 1–0. GuestTBLL – cheskeljuan, freechess.org, 2020.

6.a4 d5 7.Be2 (better 7.a5=) 7...e5 (better 7...c5!?=) 8.Ne5+- Nbd7 9.d4 0-0 (9...Ne4 10.0-0+-) 10.0-0 a6 (10...Ne4 11.a5+-) 11.ba6 Ra6 (11...Ba6!? 12.Ba6 Ra6+-) 12.Ba6+- Ba6 13.Nd3 1–0. GuestNKRJ – GuestBMYD, freechess.org, 2020.

6.c4 c6 7.a4 cb5 8.cb5 0-0 9.Be2 Re8 10.d4 d5 11.0-0 Nbd7 12.Qb3 Rc8 13.Nbd2 Nf8 14.a5 ba5 15.Bc3 a6? (better 15...Qb6!?+/-) 16.Ba5+- ab5?? (better 16...Qd6 17.Bb4 Qe6 18.ba6 Ba8+-) 17.Bd8 Red8 18.Ra7 Bc6 19.Ne5 Be8 20.Re7 Ne4 (20...Ne6 21.Ra1+-) 21.Ne4 de4 (21...Be5 22.Re5 de4 23.Re4 Ne6+-) 22.Nf7 Rd7 23.Nh6 Kh8 24.Qg8 1-0. PEREIRA – Adlai, internet, 2021.

6.d4 0-0 7.c4 d6 8.d5 (8.Bd3 c5=) 8...Nbd7 9.h3 Nc5 10.Be2 Nfe4 ( 10...a6!? 11.ba6 Ra6=+) 11.Bg7+= Kg7 12.0-0 Bc8 (12...e6 13.Qd4 Qf6 14.Nbd2 ed5 15.cd5=) 13.Qd4+= Kg8 14.Bd1 (14.Nbd2 Nd2 15.Nd2 a6+=) 14...Bf5 15.Nh4?? (15.Bc2 e5 16.Qb2 Qf6=) 15...Bd7?? ( 15...e5 16.de6 Qh4 17.ef7 Rf7–+) 16.Bc2 e5 (16...f5 17.Nc3 e5 18.de6 Ne6–+) 17.de6+/– Be6? ( 17...Qh4 18.ed7 f5+/–) 18.Be4+- Qh4 (18...Ne4 19.Qe4 a6 20.a3+-) 19.Ba8 Qd4 20.ed4 Ra8 21.dc5 Bc4 22.Rc1 Bb5 23.Nc3 Bd3 (23...Bc6 24.cd6 cd6 25.Re1+-) 24.cd6 cd6 25.Rd1 Bf5 26.Rd6 Rc8 (26...Be6 27.Rad1+-) 27.Nd5 (27.Nb5 Ra8+-) 27...Rc2 (27...Kf8 28.Rd1+-) 28.Ne7 (28...Kg7 29.Nc6+-) 1–0. MasterofDisaster – kzar1, Live Game Caissa's Web, 2004.

6.d4 0-0 7.Nbd2 d6 8.Bd3 Re8 9.0-0 e5 (9...Nbd7 10.h3=) 10.de5 de5 (10...Nfd7 11.Bc4=) 11.Be5+= Nbd7 12.Bd4 Nf8 (12...Nc5 13.Qb1+=) 13.Bc4 Ne6 14.c3 Nd4 (14...Qe7 15.Qc2+=) 15.cd4+- (worse 15.Nd4 Nd7+=) 15...Qd6 (15...a5 16.Rc1+-) 16.Ne5 (better 16.Qb3 Re7 17.Ne5+-) 16...Nd7?? (better 16...Re5 17.de5 Qe5+-) 17.Nf7+- Qe7 (17...Qf8 18.Nd6 Kh8 19.Nb7+-) 18.Nd6 (18.Nd6 Kh8 19.Nb7+-) 1–0. onur604 (2320) – Homoorcus (1990), lichess.org, 2020.

6.d4 0-0 7.Bd3 c6 8.a4 cb5 9.ab5 d6 10.0-0 a5 11.Nbd2 Nbd7 12.e4 d5 (12...Re8!?=) 13.e5+= Ne8 14.c4 e6 (14...Nc7!?+=) 15.Ba3 (15.cd5 Bd5 16.Ba3 Bh6+-) 15...dc4+- 16.Nc4 Bf3? (better 16...Nc7 17.Bf8 Bf8+-) 17.Qf3+- (17.gf3 Bh6 18.Ne3 Qh4 19.Bf8 Bf4+=) 17...f5 (17...Ra7 18.g3+-) 18.Qc6 Rf7 19.Qe6 Nc7 (19...Rc8 20.Rfd1 Bf8 21.Bb2+-) 20.Qc6 Rc8 (20...Ne5 21.de5 Qd3 22.e6+-) 21.e6 (better 21.Nd6 Ne5 22.de5 Be5 23.Nf7 Kf7 24.Bc4 Kg7+-) 21...Rf6 (21...Ne6 22.Qe6 Bf8 23.Bf8 Kf8 24.Rfe1+-) 22.e7 Rc6 (22...Qe8 23.Nd6 Rd6 24.Qd6+-) 23.ed8Q Rd8 24.bc6 Nb8 (24...Nf8 25.Bd6 Nfe6 26.Bc7 Nc7 27.Nb6+-) 25.Bd6 Bd4 (25...Nba6 26.Bc7 Nc7 27.Nb6 Bd4 28.Bc4 Kg7+-) 26.Bc7 Rc8 27.Bb8 Ba1 28.c7 Bd4 29.Nd6 Rc7 30.Bc7 a4 31.Nb5 Kf7 32.Nd4 1–0. DEFFM – Santoshkswamy, freechess.org, 2019.

6.Be2 0-0 7.0-0 c6 8.a4 c5 9.c4 d5 10.d4 cd4 11.ed4 dc4 12.Bc4 Bd5 13.Nbd2 Bc4 (13...Nbd7 14.Qb3 e6 15.Rac1+=) 14.Nc4+= Nd5 (14...Nbd7 15.Rc1+=) 15.Nfe5+- Nd7 16.Nc6 Qe8 (16...Qc7 17.Qf3 N7f6 18.Rfc1+-) 17.Qf3 e6?? (better 17...N7f6+-) 18.Nd6+- Bd4 (18...Ne5 19.de5 Qd7+-) 19.Bd4 (19.Bd4 Ne5 20.Be5+-) 1–0. DEFFM – GuestLYTK, freechess.org, 2019.

6.Be2 0-0 7.0-0 d6 8.d4 Nbd7 9.Nbd2 e6 10.a4 h6 (10...c5 11.Re1=) 11.a5+= Rb8 (11...c5 12.a6 Be4 13.c4+=) 12.ab6 ab6 13.Ra7 Ne8 (13...Ra8 14.Ra8 (14.Rb7?! Qc8=+) 14...Qa8 15.c4+=) 14.c4+- e5 (14...Ra8 15.Ra8 (worse 15.Rb7 Qc8=) 15...Ba8 16.Qa4+-) 15.Qb3 (15.Qc2 ed4 16.Nd4 Ne5+-) 15...Kh7 (15...Ra8 16.Rfa1+-) 16.Bd3 (16.Rfa1 Ra8+-) 16...f5+= 17.e4 f4 (17...fe4 18.Be4 ed4 19.Nd4+- (worse 19.Bd4 Be4 20.Ne4 Rf3 21.Qf3 Bd4=+)) 18.Qc2 g5 (18...ed4 19.Rfa1+-) 19.h3 h5 (19...Ra8 20.Ra8 Ba8 21.Ra1+-) 20.Be2 (20.Qd1 g4 21.hg4 hg4+-) 20...g4 21.hg4 hg4 22.Nh2 g3 23.fg3 fg3 24.Nhf3 Qe7 25.Qd3 Rg8 26.Qa3 (26.Nb3 ed4 27.e5 Kh8 28.ed6 Qe3 29.Qe3 de3 30.dc7 Nc7+-) 26...Bf6 (26...ed4 27.Bd4 Nc5 28.Qe3+=) 27.de5 (27.d5 Nc5+-) 27...Ne5 28.Ne5 (28.Nd4 Bc8+-) 28...Be5+= 29.Be5 Qe5 30.Qe3 Nf6 (30...Qg5 31.Rf4+-) 31.Rf5+- Qe7 (31...Qe6 32.e5 Rg6 33.Bd3+-) 32.e5 (32.e5 de5 33.Re5+-) 1–0. onur604 (2320) – Razaq (2060), lichess.org, 2020.

6.Be2 c5 7.c4 0-0 8.0-0 d5 9.d4 cd4 10.ed4 Nbd7 11.Nbd2 Rc8 12.Rc1 Ne4 13.cd5 Bd5 (13...Rc1 14.Qc1 Bh6 15.Qc2 Nd2 16.Nd2 Bd5 17.Bc1=+) 14.Ne4 Be4 15.Qd2 Nf6 16.Ne5 Qd6 17.f3 Ba8 18.Nc4 Qd5 19.Ne5 Nh5 (better 19...Qd6!?=) 20.Bc4+- Qd8 21.Nf7?? (better 21.Rf2+-) 21...Rf7-/+ 22.Be6 Rc1 (better 22...Rb8!?-/+) 23.Rc1+= Bd5? (better 23...Bb7 24.g4 Nf6=) 24.Rc8+- (24.Rc8 Qc8 25.Bc8+-) 1–0. DEFFM – willanazvv, freechess.org, 2019.

6.Be2 d6 7.0-0 e5 8.d4+= e4 9.Nfd2 d5 (9...a6 10.c4+=) 10.c4 Nbd7 (10...0-0 11.cd5 a6 12.Nc3+=) 11.cd5+- Bd5 12.Nc3 Bb7 (12...c6 13.Ba3+-) 13.a4 (13.Bc4 a6+-) 13...0-0 (13...c5 14.f3 ef3 15.Bf3 (worse 15.Nf3 Qe7=) 15...Bf3 16.Qf3+= (16.gf3?! cd4 17.ed4 0-0=)) 14.Qb3 Re8 (better 14...Nb8!?+-) 15.Bc4+- Re7 16.Ba3 Qe8 (16...c5 17.bc6! Bc6 18.Rfd1+-) 17.Be7 Qe7 18.Nd5 Nd5?! (18...Bd5 19.Bd5 Rd8+-) 19.Bd5 Bd5 20.Qd5 Re8 21.Ne4! Nc5 (21...Qe4 22.Qd7 Deflection (22.Qd7 Overloading)) 22.Ng3 (22.dc5?! Ba1 23.Ra1 Qe4 24.Qe4 Re4+-) 22...Ne6 (22...Qe6 23.Qa2 Qa2 24.Ra2+-) 23.Qb7 (23.a5 Rd8 24.Qb7 f5+-) 23...h5 (23...f5 24.Rae1+-) 24.Qa7 Ng5 (24...c5 25.Qb6 cd4 26.Rab1+-) 25.Rac1 h4 (25...Ne6 26.d5 Nc5 27.a5+-) 26.Rc7 Qf6 (26...Qe6 27.Rc6 Qa2 28.Qd7+-) 27.Rc6 Nf3 (27...Re6 28.d5 Rd6 29.Qb8 Rd8 30.Qc7 Nh3 31.gh3+-) 28.gf3 Qf3 29.Rb6 h3 (29...hg3 30.hg3 Bf8+-) 30.Qb7 Qg4 31.a5 f5 32.Qd7 Re4 33.Rb7 (33.Rb7 Qg3 34.fg3 Re7 35.Qe7 Bh6 36.Qf7 Kh8 37.Qh7) 1–0. onur604 (2320) – vadimovich1234 (1950), lichess.org, 2020.

4.b5 c5

5.c4 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 0-0 9.Nf3 d5 10.Be2 Bg4 11.0-0 Bf3 (better 11...Nbd7!?=) 12.Bf3+= (worse 12.gf3 Nbd7=+) 12...e6 13.d4 (13.Nc3 dc4 14.Bb7 Nbd7+/-) 13...b6 (better 13...dc4!? 14.Qc2 Nbd7=) 14.dc5+/- bc5 15.Bf6 Bf6 16.cd5 ed5 17.Qd5 Qb6 (better 17...Qd5!? 18.Bd5 Nd7+/-) 18.Na3+- Rd8 19.Qb3 Na6? (better 19...Nd7+-) 20.Nc4 Qb8 21.b6 Nb4 22.Rd1 Kg7 23.b7 Be7 (23...h6 24.Rd8 Bd8 25.Qb2 Bf6 26.Qd2+-) 24.Qc3 f6 25.Rd8 Qd8 (25...Bd8 26.Qd2 Bc7 27.Qd7 Kh6+-) 26.Qa1 Qb6 (26...Kh6 27.g3 Bd6+-) 27.Nb6 (27.Nb6 Bd6 28.Nd7 Kg8 29.Qf6 h6 30.b8R Bb8 31.Qf8 Kh7 32.Nf6) 1-0. onur604 (2320) - Homecoming_Queen (2230), Casual Rapid game, lichess.org, 2021.

5.c4 b6 6.Nc3 0-0 (6...Bb7 7.Be2=) 7.Nf3 (7.Qf3 d5 8.Nd5 Nd5 9.Bg7 Kg7 10.cd5 a6+=) 7...d5 (7...a6 8.Be2=) 8.Bd3 (8.Nd5 Nd5 9.Bg7 Kg7 10.cd5 Qd5=) 8...Bb7 9.0-0 Nbd7 (9...a6 10.Qe2=) 10.Nd5 Nd5 11.Bg7 Kg7 12.cd5 Bd5 13.Be2 (13.e4 Bb7=) 13...e5 14.d3 Qf6 15.e4 (15.Qa4 Rfd8=) 15...Bb7 (15...Be6 16.a4=) 16.Qc2 Rfd8 17.Nd2 (17.Rfb1 a5=) 17...Nf8 18.a4 Ne6 19.Nf3 Nf4 20.a5 Qd6 21.Rfd1 f6 22.Bf1 Ne6 23.Qb3 Qe7 24.Ra4 h5 (24...Qd7 25.Rb1=) 25.g3 Nd4 26.Nd4 Rd4 27.Rd4 cd4 28.a6 (28.Ra1 ba5 29.Ra5 a6=) 28...Bc8 29.Qd5 (29.Rc1 Be6 30.Qb2 Qd7=) 29...Rb8=+ 30.Qb3 Be6 31.Qb2 Rc8 32.Rc1 Qd7 (32...Rc5 33.Qb4-/+) 33.Rc8=+ Qc8 34.Qa3 Qc7 (34...Qf8 35.Qc1=+) 35.Be2 Bf7 36.Kg2 (36.Qb4 Be8=) 36...Be8=+ 37.Qb4 Qc5 (37...Kg8 38.f4=) 38.Qc5 bc5 39.b6 ab6 40.Bd1 b5 (40...c4!? 41.dc4 Bc6+=) 41.Bb3+- c4 42.dc4 d3 (42...b4!? 43.c5 Bc6+-) 43.a7 (43.Kf3 f5 44.ef5 bc4 45.Bc4 Bc6 46.Ke3 gf5 47.Bd3 Kg6+-) 43...Bc6 44.cb5 Be4 45.f3 Bb7 (45...Ba8 46.Kf2+-) 46.b6 (better 46.Kf2!?+-) 46...Kf8+- 47.Kf2 f5?? (better 47...Ke7+-) 48.Bc4+- Ke7 (48...d2 49.Ke2 Ke7 50.Kd2 Kd6+-) 49.Bd3 Kd6 50.Ba6!! Kc6 (50...Ba6 51.a8Q Decoy) 51.Bb7 (51.Bb7 Kb7 52.Ke3+-) 1–0. onur604 (2320) – onlineblitz (2275), lichess.org, 2020.

5.Be2 d5 6.Nf3 Be6 7.Ng5 Qd6 8.Ne6 Qe6 9.0-0 Nbd7 10.Nc3 0-0 11.d4 c4 (11...Rac8!?=+) 12.a4= a6 13.Bf3 ab5 14.ab5 b6 (14...Nb6 15.Qe2=) 15.Ra6 (better 15.Qd2+=) 15...Ng4?? (better 15...Ra6 16.ba6 Ra8=) 16.Bg4+- f5 17.Bf3 g5 (17...Nf6 18.Qa1 Rad8+-) 18.Bd5 (18.Bd5 Qd5 19.Nd5+-) 1–0. DEFFM – GuestHZNH, freechess.org, 2019.

5.Be2 d6 6.Nf3 Bg4 7.0-0 0-0 8.c4 Nbd7 9.h3 Be6 10.d3 Nh5 (10...a6 11.a4=) 11.Nc3 Nb6 12.Ng5 Nf6 13.a4 Bd7 (13...Bc8 14.Nf3+=) 14.a5+/– Nc8 15.a6 ba6 16.Ra6 Nb6 17.Bf3 d5 18.Qa1 (better is 18.cd5 h6 19.d6+/–) 18...Qc7?? (better is 18...e6+/–) 19.Nd5+- (19.cd5?! h6 20.Nge4 Ne8+-) 19...Nbd5 20.Bd5 (20.cd5?! Bb5 21.d6 ed6+/–) 20...Nd5 (20...Rae8 21.Ra7 (21.Bf6?! Bf6 22.Rf6 ef6+-) 21...Qd8 22.Rb1+-) 21.Bg7 (21.cd5?! Bb2 22.Qb2 Rfb8+/–) 21...Nb4 (21...Rfc8 22.cd5 Bb5 23.Rf6+-) 22.Bf8 Na6 (22...Rf8 23.Ra7 Qc8+-) 23.Qg7 (23.ba6?! Rf8 24.Qa3 Rc8+/–) 1–0. guest588 – anon8, chessclub.com, 2018.

5.c4 0-0

6.Nf3 a6 7.a4 ab5 8.ab5= Ra1 9.Ba1 Qa5 (9...d5 10.cd5 Qd5 11.Nc3=) 10.Nc3 d6 11.Bd3 Bg4 12.0-0 Nbd7 13.Be2 Qc7 14.Bb2 Ra8 15.h3 Bf3 16.Bf3 Ne5 17.Be2 b6 (17...e6!?=) 18.f4+= Ned7 19.Bf3 Ra7 20.Qc2 e5 (20...e6 21.g4+=) 21.f5+- gf5 (21...Kh8 22.fg6 fg6 23.d3+-) 22.Qf5 Kh8 (22...Qd8 23.g4+-) 23.g4 Nf8 24.g5 Ne8 (24...Ng8 25.Nd5 Qd8 26.Be4+-) 25.Bc6 Qd8 26.Ne4 Ng6 (26...Nc7 27.Qf7 Ng6 28.d3+-) 27.Be8 Nh4? (27...Qe8 28.Nd6 Qf8 29.Nf7 Kg8 30.Ne5 Qf5 31.Rf5 Ra4+-) 28.Qf2 1–0. onur604 (2285) – Andyloveschess (2280), lichess.org, 2020.

6.Nf3 d6 7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qa2 12.0-0 Bf5 13.d3 Nbd7 14.e4 Bg4 15.h3 Bf3 16.Bf3 Ra8 17.e5 Ne5 18.Bb7 Rb8 (better 18...Ra7!? 19.Ba6 Nc6+=) 19.Ba6+/- Ned7 20.Re1 Nb6 21.Re7 Na4 22.Bd2 Nb2 (22...Re8 23.Ra7 Nb6 24.Nc3+-) 23.Qc2 d5 (23...Qa1+-) 24.Nc3 Qa1 25.Re1 Qa3 26.Bc1 Nd3 (26...dc4 27.dc4 Qb4 28.Bb2 Qc4+-) 27.Ba3 Ne1 28.Qd2 d4 29.Nd5 Nd5 30.cd5 Re8 31.Bc5 d3 32.b6 Re2 (32...Nc2 33.b7 Bd4 34.Bd4 Nd4 35.Bd3+-) 33.b7 Be5 (33...Rd2?? 34.b8Q Bf8 35.Qf8) 34.Qh6 (34.Qh6 Bh2 35.Kh2 Nf3 36.gf3 Re8 37.Bd4 f6 38.Bf6 Re7 39.b8Q Re8 40.Qe8) 1-0. onur604 (2320) - elMag0 (2375), Casual Rapid game, lichess.org, 2021.

5.c4 d5

6.cd5 Qd5 7.Nc3 Qe6 8.Nf3 0-0 9.Be2 (9.d4 Rd8=) 9...Ne4 (9...Rd8 10.0-0=) 10.Qc2 (10.Ne4 Bb2 11.Nc5 Qd5+=) 10...Nc3 (10...Nd6 11.d4 cd4 12.Nd4+=) 11.dc3 (11.Bc3 Nd7+=) 11...Bd7 (11...Nd7 12.c4=) 12.0-0 a6 13.a4 (13.c4 f6+=) 13...ab5 (13...b6 14.c4+=) 14.ab5+= Ra1 15.Ra1 Rc8 (15...Qb6 16.Qa4+=) 16.c4 Bb2 (16...Rd8 17.Ra8+=) 17.Qb2+/– Qd6 (17...Rd8 18.Ng5 Qf5 19.f4+/–) 18.Rd1 (18.Qe5 Qe5 19.Ne5 f6+/–) 18...Qc7 19.Ne5 (19.b6 Qc6+/–) 19...f6 20.Nd7 (20.Nd3 e5+/–) 20...Nd7 21.Qd2 (21.Bf3 e6+=) 21...Ne5 (21...Nb6 22.Bg4 f5 23.Bf3+=) 22.Qd5 (22.f4 Nf7+/–) 22...Nf7 23.Qe6 (23.Qd7 b6+/–) 23...Rd8 24.Rd5 (24.Rd8 Qd8 25.Bf3 Kg7+/–) 24...Rd5+= 25.Qd5 (25.cd5 Kg7+=) 25...Qc8 (25...Kg7 26.h3+=) 26.Bf3 (26.Qe4 Qd7+=) 26...b6 (26...e6 27.Qe4+=) 27.h3 (27.Qc6 Qd8+=) 27...Qb8. Sie – Cpu, AI Factory's Chess, 2016.

6.Nf3 dc4 7.Bc4 0-0 8.0-0 b6 9.Ng5 (9.d4 a6+=) 9...Qc7 (9...a6 10.Nc3=) 10.Qb3 e6 11.f4 Bb7 12.Be6 fe6 13.Ne6 Qf7 14.Nf8 Kf8 15.f5 Bd5 (15...Qb3!? 16.ab3 gf5 17.Rf5 Ke7=) 16.fg6+= hg6 (16...Bb3? 17.gf7 Bf7 18.Bf6+- (18.Rf6?! Bf6 19.Bf6 a6+-)) 17.Qc2 Nbd7 18.Nc3 Bb7 19.Ne2 Qd5 (better 19...a6!? 20.ba6 Ra6=) 20.Qg6+/- Ne5?? (better 20...Qf7 21.Qf7 Kf7+/-) 21.Rf6+- Bf6 22.Qf6 Nf7 23.Nf4 Qd3 (23...Qd6 24.Ng6 Ke8+-) 24.Nd3 (24.Nd3 Bf3 25.Ne5 Bh5 26.Nd7 Ke8 27.Qe6 Kd8 28.Bf6 Kc7 29.Qc6) 1-0. onur604 (2320) - Wazamann (2165), Casual Rapid game, lichess.org, 2021.

5.Nf3 d5

6.c4 0-0 7.d4 a6 (7...Nbd7 8.Nbd2=) 8.a4 (8.dc5 dc4 9.Qd8 Rd8 10.Bc4 ab5 11.Bb5 Ne4 12.Bg7 Kg7=) 8...Ne4 9.Nbd2 (9.cd5 Qd5 10.Qc2 ab5 11.ab5 Ra1 12.Ba1 Be6=) 9...ab5 (9...Nd2!? 10.Nd2 cd4 11.Bd4 e5=) 10.ab5+= Ra1 11.Qa1 Bg4 12.Ne4 Bf3? (better 12...de4!? 13.Nd2 cd4 14.Bd4 Bd4 15.ed4 Bf5+/-) 13.Nc5+- Bg4 (13...b6 14.gf3 bc5 15.dc5 Bb2 16.Qb2 Qa5 17.Ke2 dc4+/-) 14.Nb7 Qc7 15.Nc5 dc4 16.Bc4 Nd7 17.0-0 Nc5 18.Rc1 Rb8 (18...Nb3 19.Bb3 Qd7 20.Bc4+-) 19.dc5 Bb2 20.Qb2 Bd7 21.b6 Qc6 (21...Qd8 22.Bd5+-) 22.Qe5 Rd8 (22...Re8+-) 23.Qe7 Re8 (23...Rf8 24.Rb1 Qb7+-) 24.Bf7 (24.Bf7 Kh8 25.Be8+-) 1-0. onur604 (2320) - PikaBat3 (2255), Casual Rapid game, lichess.org, 2021.

6.c4 0-0 7.Be2 dc4 8.Bc4 b6 9.0-0 Bb7 10.d4 cd4 11.ed4 Qc7 12.Qb3 Rc8?? (better 12...e6=) 13.Bf7+- Kf8 (better 13...Kh8+-) 14.Ng5 (14.Ng5 Qc2 15.Re1 Qb3 16.Bb3+- (16.ab3?! h6+=)) 1–0. onur604 (2320) – shrAvs0826 (2005), lichess.org, 2020.

4.b5 c6

5.c4 cb5 6.cb5 e6 7.Be2 b6 (7...a6 8.Nf3=) 8.Nf3+= a6 (8...0-0 9.0-0+=) 9.a4 (9.0-0 0-0+=) 9...ab5 (9...0-0 10.0-0=) 10.ab5 Ra1 11.Ba1 Bb7 12.Bb2 (12.d4 d6=) 12...Bf3 (12...d6 13.0-0=) 13.Bf3+= 0-0 (13...d5 14.0-0+=) 14.0-0 d5 15.d4 Nbd7 (15...Qd7 16.Qd3+=) 16.Nd2 (16.Qd3 Qb8+=) 16...Re8 (16...Qb8 17.Qb3+=) 17.Be2 (17.Qe2 e5+=) 17...e5 (17...Qe7 18.Qa4+=) 18.de5 Ne5 19.Nf3 (19.Qc2 Ne4+=) 19...Nf3 (19...Nc4 20.Bd4+/–) 20.Bf3+/– Ne4 21.Bg7 Kg7 22.Qc2 Nf6 23.Qb2 Qd6 24.Rd1 Re5 25.e4 d4 26.Rd4 Qb8? 27.Rd1 Kg8 28.Rd5?? Re8 29.Qf6+- Qc8 30.h3 Re6 31.Qg5 Qc4 (32.Rd7 Kg7+-; 31...Qc3 32.Qf4+-). stoker – badboy1221, Live Game Caissa's Web, 2006.

5.Nf3 d5=.

5.a4 0-0

6.Nf3 cb5 7.ab5 a6 8.d4 d5 9.Be2 (9.Bd3 Be6+=) 9...Nbd7 (9...Bf5 10.0-0=) 10.Nbd2 Nb6 11.ba6 ba6 12.0-0 Qc7 13.Qc1 (13.Ra3=) 13...Ne4 (13...Be6!?=) 14.Ne4+- de4 15.Nd2 f5 16.c4 Bd7 17.c5 (better 17.f3+-) 17...Na4?? (better 17...Nd5+=) 18.Ra4!+- Ba4 19.Qc4 (19.Qc4 Kh8 20.Qa4+-) 1–0. DEFFM – Tranquillo, freechess.org, 2020.

6.Nf3 d5 7.Be2 Nbd7 8.d4 c5 9.c4 dc4 10.0-0 cd4 11.Qd4 Nb6 (11...Ne8!? 12.Qd2 Nef6+=) 12.a5+= Qd4 13.Bd4 Nbd5 14.Bc4 Bg4 15.a6 b6 16.Ne5 Be6 17.Nc6 Rfc8 18.Rd1 Bd7 (better 18...Rc7!? 19.Be5 Rd7+/-) 19.Bd5+- Nd5 20.Bg7 Bc6 21.bc6 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Nf3 d6 7.c4 c5 8.d4 Ne4 9.Bd3 Bf5 10.0-0 Nd7 (better 10...d5!?+=) 11.g4!+- Bg4 (better 11...Nf2!? 12.Rf2 Bg4+-) 12.Be4+- Bf3 (12...Qc7 13.Nbd2+-) 13.Qf3 Rb8 14.Bb7 (14.Nd2 cd4 15.ed4 Nc5+-) 14...cd4 15.Bd4 Bd4 16.ed4 e6 (16...Qb6 17.c5! Qb7 18.Qb7 Rb7 19.c6+-) 17.Bc6 Qg5 (17...Nb6 18.Na3+-) 18.Qg3 Qg3 (18...Qe7 19.Re1+-) 19.fg3 Nb6 (19...Rfd8 20.Nd2+-) 20.Nd2 Kg7 (20...Rbd8 21.a5 Nc8 22.d5+-) 21.a5 Nc8 22.Ne4 f5 (22...Rd8 23.d5 ed5 24.Ng5+-) 23.Ng5 Kf6 (23...Rh8 24.Ne6 Kf6+-) 24.Nh7 Kg7 25.Nf8 Kf8 26.Rae1 Kf7 27.Re3 Kf6 (27...Ne7 28.Bd7 Rb7 29.Be6 Kf6 30.b6 ab6 31.Rb1+-) 28.Rfe1 e5 29.de5 Ke6 30.ed6 Kd6 (30...Kf6 31.d7 Nb6 32.ab6 Rd8 33.ba7 f4 34.Re6 Kg7 35.Re8 Kf6 36.Rd8 Kg5 37.Rg8 Kh6 38.d8Q Kh7 39.Qf8 fg3 40.Re7) 31.Re5 a6 (31...Rb5 32.cb5 Ne7 33.Re7 Kc5 34.R7e5 Kd4 35.b6 ab6 36.ab6 Kc4 37.b7 f4 38.b8Q Kc3 39.Rc5 Kd2 40.Qd6 Ke1 41.Re5) 32.Rd5 Kc7 33.Rd7 1–0. DEFFM – GuestJWVN, freechess.org, 2019.

5.a4 a6

6.c4 ab5 7.ab5 Ra1 8.Ba1 Qa5 9.Bc3 Qa7 10.Nf3 cb5 11.cb5 0-0 12.Be2 d6 13.0-0 Bd7 14.Bc4 Ne4 (14...Bf5 15.Nd4 Bg4 16.f3=) 15.Bg7+= Kg7 16.Qc2 Nc5 (better 16...Nf6!?+=) 17.Qb2+- Kg8 18.Nc3 Be6 19.Ra1 Qb6 20.Be6 Ne6 21.Nd5 Qc5?? (better 21...Qd8 22.Ra8 Re8+-) 22.Ne7 1–0. DEFFM – GuestZBYD, freechess.org, 2019.

6.c4 ab5=+ 7.cb5 0-0 8.Nf3 d6 9.Nc3 (9.bc6 Nc6 10.Bb5 e5=+) 9...Nd5 (9...Bg4 10.d4=+) 10.Qc2 Nb4 11.Qb3 c5 12.Bc4 d5 13.Be2 e5 14.d4 (14.0-0 e4 15.Ne1 Nd7=+) 14...ed4= 15.ed4 Bf5 16.Rc1 (16.0-0 Bc2 17.Qa3 A) < 17...cd4 18.Nd4 Qf6 19.Qb4 (< 19.Nc2 Nc2 20.Qc5 Na1 21.Ra1 Re8-/+) 19...Qd4 20.Qe7+=; B) 17...Qd6=) 16...Nd3 (16...Re8!? 17.0-0 Nd3 (< 17...Bd4 18.Nd4 cd4 19.Qb4 dc3 20.Qc3+=) 18.Bd3 Bd3=+) 17.Bd3= Bd3 18.Nd5 (18.dc5 Qe7 19.Kd1 Bc3 20.Rc3 Qe2 21.Kc1 Be4=+) 18...c4=+ 19.Rc4 Bc4 20.Qc4 Re8 21.Ne5 Qa5 22.Bc3 Qa4? ( 22...Qd8+=) 23.Nf6!!+- Bf6 (23...Kh8 24.Ne8 Qc4 25.Nc4+-) 24.Qf7 Kh8 25.Qe8 Kg7 26.Qf7 (26...Kh6 27.Ng4 Kg5 28.Nf6 Qa1 29.Ba1 Ra1 30.Kd2 Ra2 31.Kd3 Rd2 32.Kd2 Na6 33.h4 Kf5 34.Rh3 h6 35.Rf3) 1–0. Heyer,Thomas – Eder,Patrick, Giessen op, 1995.

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 0-0 9.c4 cb5 10.cb5 b6 11.Be2 d6 12.0-0 Nbd7 13.d4 e5 (better 13...Bb7!?=) 14.de5+- de5 15.Ne5 Ne5 16.Be5 Qd1 17.Rd1 Ne4? (better 17...Be6+-) 18.Bc7+- Bf5 19.Bb6 Nc3? (19...Rc8+-) 20.Nc3 Bc3 21.Ba7 (better 21.Bc7 f6+-) 21...Ra8 (21...Be4 22.f3 Bb7 23.Bc4+-) 22.b6 Be5 (22...Re8 23.b7 Be5 24.Bb5+-) 23.f4 Bc3 (23...Bc7 24.Bf3 Bb6 25.Bb6+-) 24.b7 Re8 25.b8Q Rb8 26.Bb8 1–0. DEFFM – GuestCYRM, freechess.org, 2019.

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 Qa5 9.Bb2 cb5 10.Na3 (10.Nc3 0-0=) 10...b4 11.Nc4 Qc7 12.Be2 0-0 13.0-0 d6 14.Qa1 (14.Nce5 Na6 15.Nd3 e5-/+) 14...Bg4 15.Rc1 b5 (15...Bf3 16.gf3 Qc5 17.Qa5-/+) 16.Qa5=+ Nd5 (16...Qa5!? 17.Na5 Ne4 18.Bg7 Kg7=+) 17.Qb5= Bb2 18.Nb2 Qc5 19.Qa4 Nb6 (19...Rc8 20.Nd3 Qc4 21.Nf4=) 20.Qa1 (20.Qb3 Nc6+=) 20...Nc6= 21.Nd3 Qf5 (21...Qb5 22.Nf4 Qc5 23.c3=) 22.h3+= Bf3 23.Bf3 Ne5 (23...d5 24.Qa6 Rb8 25.Rb1+/-) 24.Ne5+/- Qe5 25.Qe5 de5 26.Rb1 f5 (26...Nc4!? 27.d3 Na3 28.Rb4 Nc2+/-) 27.Rb4+- Nd7 28.Bd5 Kg7 29.Rb7 Rd8 30.Bc6 Nc5 31.Re7 (31.Rb5 Ne4 32.Be4 fe4 33.Re5 Kf6 34.Re4 Rd2+-) 31...Kf6 32.Rh7 Rd2 33.c4 Nd3 34.f3 Ne1 (34...f4!? 35.e4 Rd1 36.Kh2 Nf2+/-) 35.f4+- e4 (35...Nd3 36.Rd7 Ke6 37.fe5 Ke5 38.Kh2+-) 36.h4 Ng2 (36...Rd8 37.Bd5 Rf8 38.Rb7+-) 37.Bd5 g5 38.hg5 (38.fg5?! Kg6 39.Rh6 Kg7+=) 38...Kg6 39.Rh2 1-0. onur604 (2320) - Delaroda80 (2130), Casual Rapid game, lichess.org, 2021.

6.Nf3 d5=.

5.a4 cb5

6.ab5 a6 7.Nf3 0-0 8.d4 Ng4 9.Bd3+/- a5 10.0-0 b6 11.e4 Bb7 12.h3 Nf6 13.Nbd2 d5 14.e5 Ne4 (14...Nh5 15.g3+=) 15.Be4 (15.Re1 Qd7+/-) 15...de4 16.Ng5 h6 (16...Bh6!? 17.Nge4 Bd2 18.Nd2 Qd5+/-) 17.Nge4+- e6? (better 17...Nd7+-) 18.c4 Nd7 (18...Qc7 19.Ba3+-) 19.Ba3 Ne5 (19...Be4 20.Ne4 Re8 21.Nd6+-) 20.de5 Be5 21.Bf8 Qf8 22.Ra2 f5 23.Nf3 Bf4 24.Nc3 e5 (24...Rd8 25.Qe2 Qf6 26.Na4+-) 25.Qd7 Rb8 (25...Qf7 26.Rd1 Re8 27.Nh4+-) 26.Qe6 Kh8 (26...Qf7 27.Qb6 e4+-) 27.Ne5 Kg7 (27...Be5 28.Qe5 Kg8 29.Qe6 Kh7 30.Qb6 Bd5 31.Qa7 Bf7 32.Ra5 Kg8+-) 28.Qg6 Kh8 29.Nf7 Qf7 30.Qf7 Rg8 31.Qb7 1-0. DEFFM – guestk, freechess.org, 2021.

6.ab5 a6 7.Nf3 b6 8.d4+= Bb7 9.Nbd2 ab5 10.Bb5 Ra1 11.Qa1 Bc6 12.Bd3 0-0 13.0-0 d6 14.Qa7 Nbd7 15.c4 Qa8 16.Ra1 Qa7 17.Ra7 Ra8 18.Rc7 Bf3 19.gf3 (worse 19.Nf3 Ra2 20.g4 h6-/+ (20...Rb2?! 21.g5=+)) 19...Ra2 20.Bc3 Ra3 21.Nb1 Ra2 22.Kg2 Bh6 (22...e6!?+=) 23.f4+/- e5 (23...Kg7 24.Kf3 Ra8 25.h4+/-) 24.de5+- de5 25.c5 (25.Be5?! Ne5 26.fe5 Ng4=) 25...Nc5 26.Bc4 ef4?? (better 26...Rc2 27.Bf7 Kf8 28.Be5 Nfe4+/-) 27.Bf7 Kf8 28.Ba2 (28.Ba2 Nfd7 29.Bd4+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.ab5 b6 7.Nf3 Bb7 8.d4 d6 9.Bc4 0-0 10.0-0 d5 11.Bb3 e6 12.c4 dc4 13.Bc4 Qc7 14.Nbd2 Nbd7 15.Qb3 Bf3 16.Nf3 Qb7 17.Be6?? (better 17.Nd2+-) 17...fe6=+ 18.Qe6 Kh8 19.Ba3 Rfe8 20.Qc6 Qc8 (20...Rab8 21.Rfc1 Ne4 22.Bd6 Nd6 23.Qd6=+) 21.Ng5= Qc6 22.bc6 Nb8 (better 22...Nf8!?=) 23.c7+- Nbd7 24.Nf7 Kg8 25.Nd6 Bf8? (better 25...Rec8!? 26.Rfc1 a5 27.Nc8 Rc8+-) 26.Ne8+- Ne8 27.Bf8 Kf8 28.Ra7! Rc8 (28...Ra7 29.c8Q Combination) 29.Rc1 Ndf6 (29...Nd6 30.f3+-) 30.Rc6 Nd7 (30...b5 31.Rb6 Ke7 32.Rb5 Nc7 33.f3+-) 31.e4 Ke7 32.e5 b5 (32...Ng7 33.Ra4 b5 34.Rb4+-) 33.Rb7 (33.f4!? Nf8+-) 33...Ng7 34.Rc3 (34.f3!? Ne6 35.d5 Nf4+-) 34...Ne6 35.d5 b4?? (35...Nf4 36.d6 Ke6+-) 36.Rb4 (36.de6?! bc3 37.ed7 Kd7+=) 36...Nf4 (36...Nec5 37.f4 Ke8 38.d6+-) 37.d6 Ke6 38.Rf4 Ke5 (38...Ne5 39.Re3 Kd6 40.Rd4 Ke6 41.f4 Rc7 42.Re5 Kf6 43.Rb4+-) 39.Rf7 Ke6 (39...Kd6 40.Rd3 Kc7 41.Rdd7 Kb6 42.g3+-) 40.Rh7 Nf6 41.d7! Nd7 (41...Nd7 42.Rc6 Deflection (42.Rc6 Decoy)) 42.Re3 Kd6 43.Rd3 Kc7 44.Rhd7 Kb6 45.R3d6 (better 45.Rb3!? Kc6 46.Rd1 Rc7+-) 45...Kb5 46.Rb7 Kc5 47.Rg6 Kd5 48.Rb5 (48.h4 Ke4+-) 48...Ke4 (48...Kc4 49.Rf5 Kd3 50.h4+-) 49.Rg4 Kd3 50.h4 1–0. DEFFM – Ilhomchik, freechess.org, 2019.

5.a4 d5

6.c4 0-0 7.Nf3 e6 8.Be2 cb5 9.ab5 a6 10.0-0 Nbd7 11.d4 dc4 12.Bc4 Nb6 13.Bd3 Nbd5 14.e4 Nf4 15.e5 N6d5 16.Be4 f5 17.ef6 Nf6 18.Bc2 N6d5 19.ba6 ba6 20.Ba3 Rf7 21.Be4 Rb8 22.Ne5 Be5 23.de5 Qg5 24.Bd6 Nh3 (24...Nh3 25.Kh1 Nf2 26.Rf2 Rf2 27.Bb8 Ne3-+) 0-1. madik - marekt (1780), gameknot.com, 2014.

6.Nf3 Nbd7 7.Be2 0-0 8.0-0 Re8 9.d4 Ne4 10.Nbd2 e5 11.c4 (11.Ne5 Ne5 12.de5 Be5 13.Be5 Re5 14.Ne4 Re4+=) 11...Nd2= 12.Nd2 e4 13.Rc1 f5 14.Qb3 Nf6 15.cd5 cd5 16.Rc2 Be6 17.Rfc1 Rc8 18.Rc8 Qc8?? (better 18...Bc8 19.Ba3 Bh6+=) 19.Rc8+- (19.Rc8 Rc8 20.b6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Nf3 Nbd7 7.Be2 c5 8.c4 (8.d3 0-0=) 8...d4 (8...0-0!?=+) 9.ed4+= cd4 (9...Nh5 10.0-0+=) 10.Bd4+- b6 11.a5! Ne4?? (11...ba5 12.Nc3 Decoy) 12.Bg7+- (12.Bg7 Rg8 13.Bd4+-) 1–0. DEFFM – GuestCWGF, freechess.org, 2020.

6.Bf6 Bf6 7.d4=+.

4.b5 d5

5.a4 0-0 6.d4 c6 7.c4 cb5 8.cb5 a6 9.Nf3 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.Bd3 b6 13.Nc3 Bb7 14.0-0 Qb8 15.Qb3 e6 16.Bb2 Nh5 17.Rc1 h6 18.Na4 g5 19.Ne5 Ne5 20.de5 Be5 21.Be5 Qe5 22.Nb6 d4 23.Nd7 Rd8 24.Ne5 f6 25.Nc6 Rc8 26.Qe6 Kg7 27.Qe7 Kg8 28.Qf6 Nf6 29.Ne7 Kg7 30.Nc8 Bc8 31.Rc8 Nd7 32.Rc7 Kf7 33.Rd7 Ke8 34.Rh7 Kf8 35.b6 Kg8 36.Rh6 Kg7 37.Rd6 Kf7 38.b7 Ke7 39.Rd4 Ke6 40.b8Q Kf6 41.Rd6 Ke5 42.Be2 g4 43.Rg6 Kf5 44.Rg4 Kf6 45.Qb5 Ke6 46.Re4 Kf6 47.Re5 Kg6 48.Qb6 Kf7 49.Bc4 Kg7 50.Re7 Kf8 51.Qd8 1–0. A_VB – shozniq, lichess.org, 2019.

5.c4 c6 6.cd5 cd5 7.Nf3 0-0 8.Be2 b6 (8...Bg4 9.0-0=) 9.0-0 Bb7 (9...a6 10.Qa4=) 10.d4 Nbd7 11.a4 a6 12.Nc3 a5 (12...ab5 13.ab5 Ra1 14.Qa1+=) 13.Qc2 Rc8 14.Qd3 Rc7 (14...h6 15.Rac1=) 15.Rfc1 Qb8 16.Ba3 Re8 17.Ne5 (17.Nd1 Rcc8+=) 17...Ne5= 18.de5 Ne4 19.Nd5 (better 19.Ne4 de4 20.Qd4 Be5 21.Qb6=) 19...Rd8 (better 19...Bd5!? 20.Qd5 Nc3 21.Rc3 Rc3=+) 20.Qe4 (20.Rc7 Rd5 21.Rb7 Qb7 22.Qe4 Be5+-) 20...Rc1 21.Rc1 (21.Bc1 Bd5 22.Qc2 Rc8–+ (worse 22...Qe5 23.Ra3=+)) 21...Bd5 (21...Rd5 22.e6 f5+-) 22.Qh4+- e6 (22...Qe5!? 23.Qe7 Bf6 24.Qe5 Be5+-) 23.Bd6+- White gets in control 23...Qa8 24.Rc7 Rc8 25.Qe7 Threatening mate: Qxf7 25...Rc7 26.Qc7 h6 27.Qb6 Bg2 28.Qc5 (28.Qb8 Qb8 29.Bb8 Bd5+-) 28...Bh3 (28...Bh1 29.Bf1+-) 29.f3 (better 29.Qc6 Qd8 30.f4+-) 29...Qb7?? (better 29...Qd8 30.f4 Qh4+-) 30.Qc6 Qc6 31.bc6 f6 32.c7 fe5 33.c8Q Kh7 34.Qc7 h5 35.Qa5 (35.Be5 Kh6 36.Bg7 Kh7 37.Bf6 Kh6 38.Qg7) 35...e4 36.f4 Bf5 37.Qb6 h4 38.a5 Kh6 39.a6 Bf6 40.a7 (40.Bf8 Kh7 41.Qc7 Kg8 42.a7 Bg4 43.a8Q e5 44.Bd6 Bc8 45.Qac8 Bd8 46.Q8d8) 40...g5 41.a8Q (41.Bf8 Kh7 42.Qc7 Kg6 43.a8Q Be7 44.Qe8 Kh7 45.Qce7 Kh8 46.Qg7) 41...gf4 (41...Bg4 42.Bf8 Kh7 43.Qc7 Be7 44.Qe7 Kg6 45.Qae8 Kf5 46.Q7f7) 42.Qf8 (42.Bf4 Kh7 43.Qc7 Bg7 44.Qf8 Bg4 45.Qfg7) 42...Kg6 (42...Kg5 43.Qg8 Bg7 44.Qg7 Bg6 45.Bf4 Kf5 46.Qe5) 43.ef4 (43.Qg8 Bg7 44.Qc7 f3 45.Qcg7 Kh5 46.Qg5) 43...Bh3 (43...Bg7 44.Qe8 Kh7 45.Qh5 Bh6 46.Qc7 Kg8 47.Qcf7 Kh8 48.Be5) 44.Qg8 Kf5 (44...Bg7 45.Qbd8 Kh6 46.Qg5) 45.Qb5 (45.Qh7) 45...e5 46.Qh7 (46.Be5 Bg7 47.Bg7 Kf4 48.Bh6) 46...Ke6 (46...Kf4 47.Qh6 Bg5 48.Be5 Ke3 49.Qg5) 47.Qc4 (47.Qhd7) 47...Kd6 48.Qhe4 (48.Qhc7) 48...Be6 (48...Bg2 49.fe5 Be5 50.Qcc6 Ke7 51.Qe5 Kf7 52.Qce8) 49.Qb4 (49.Qec6 Ke7 50.Q6e6 Kf8 51.Qf7) 49...Kd7 50.Qh7 (50.Qeb7 Ke8 51.Bb5 Kd8 52.Qf8) 50...Kc6 (50...Bf7 51.Qf7 Kc8 52.Qe6 Kd8 53.Qbd6) 51.Qb5 (51.Qb5 Kd6 52.Qb6 Kd5 53.Qd3; 51.Qhb7) 1–0. aravind555 (1865) – cium (1940), lichess.org, 2020.

5.Nf3 b6 6.a4 (6.c4 c6=) 6...Bb7 (6...0-0 7.c4=) 7.Be2 (7.d4 0-0=) 7...Nbd7 (7...0-0 8.0-0=) 8.d4 (8.0-0 0-0=) 8...0-0 9.0-0 c6 (9...c5 10.Nbd2=) 10.c4 dc4 (10...Rc8 11.Nbd2=) 11.Bc4+= cb5 (11...Rc8 12.Qe2+=) 12.ab5 Bd5 13.Nbd2 Rc8 (13...e6!?+-) 14.Bd5+- (14.Ra7? Bc4 15.Nc4 Rc4–+) 14...Nd5 15.Qb3 e6 (15...N7f6 16.Ra7 Ra8 17.Ra8 Qa8 18.Ne5+-) 16.Ra7 Ra8 (16...Rc7 17.Rfa1+-) 17.Rfa1 Ra7 18.Ra7 N7f6 (18...Re8 19.e4 N5f6 20.Ba3+-) 19.Ne5 Nh5 20.Nc6 Qd6?? (20...Qg5+-) 21.Ba3 (21.Ba3 Qc7 22.Rc7 Nc7 23.Bf8 Bf8 24.Nc4+-) 1–0. GuestPSTK – GuestVBSW, freechess.org, 2020.

5.Nf3 c5 6.c4 Bg4 7.Be2 dc4 8.0-0 0-0 9.Bc4 (9.Qc1 a6 10.Qc4 Nbd7=) 9...Nbd7 10.h3 Bf3 (10...Bf5 11.d4=) 11.Qf3 Qc7 12.d4 cd4 13.Rc1 Qd6 14.Bd4 e5 15.Bb2 e4 16.Qe2 Nb6 17.Ba3 Qe5 18.Bf8 Qa1 19.Bc5 Nc4 20.Qc4 (20.Bd4 Nb2 21.Qb2 Qb2 22.Bb2=) 20...Qe5 (better 20...Rc8!? 21.Rd1 h6=+) 21.Bd4+= Qe8 (21...Qf5 22.Nd2+=) 22.Nd2 Nd7 (22...Qd7!?+-) 23.Bg7+- Kg7 24.Ne4 Nb6?? (better 24...Qe5+-) 25.Qd4 Kh6 26.Nf6 (26.g4 Qe4 27.Qe4 Kg7+-) 26...Qe6 (26...Qf8 27.Ng4 Kh5 28.Rc5 Qc5 29.Qc5 f5 30.Qe7 fg4 31.hg4 Kh6 32.f4 Rh8 33.g5 Kh5 34.Qe6 h6 35.Qh3) 27.Ng4 Kh5 28.Rc5 f5 29.Qg7 Qd7 (29...Qe3 30.Qh7 Kg5 31.Qh6) 30.Qh6 1–0. onur604 (2150) – Abdjo (1965), lichess.org, 2020.

5.Nf3 Bd7 6.a4 a6 7.c4 c6 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Nd5 bc4 12.Nf6 ef6 13.Bc4 Be6 14.Bb5 Nc6 15.Qa3 Bf8 (15...Bd5!?+/-) 16.Qa7 Qc8 (16...Bc8!?+/-) 17.Bf6+- Rg8 18.0-0 Kd7?? (18...Bd5+-) 19.Bc6 Kc6 20.Rc1 (20.Rc1 Kd7 21.Ne5 Ke8 22.Qa4 Qc6 23.Qa8 Qc8 24.Rc8 Bc8 25.Qc8) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

5.Nf3 Bf5 6.Be2 (6.Nc3 0-0=) 6...0-0 7.0-0 (7.Nd4 Bd7=) 7...e6 (7...a6 8.a4=+) 8.Nd4 Nbd7 (8...c5 9.Nf5 ef5 10.d4=) 9.Nf5 (9.f3!?+=) 9...ef5= 10.d4 c6 11.c4 Rb8 12.Nc3 Nb6 (12...dc4 13.Bc4 c5 14.Na4+=) 13.c5 Nbd7 14.Qa4 Qc7 15.Rab1 (15.Qa7?? Ra8 16.b6 Qc8 17.Qa8 Qa8–+) 15...Ne4 16.Ne4 fe4 17.Rfc1 (17.Qa7?? Ra8 18.b6 Qc8–+) 17...f5 (17...a6 18.bc6 bc6 19.Qa3+- (19.Qa6?? Ra8–+; 19.Ba6? Ra8–+)) 18.Bc3 (18.Qa7? Ra8 19.b6 Qc8–+) 18...Qc8? (better 18...Nf6+-) 19.bc6+- bc6 20.Ba6 Rb1 (20...Qd8 21.Qc6 Nf6 22.Qe6 Kh8 23.h3+-) 21.Rb1 Qe8 (21...Qa8 22.Bb7 Qd8 23.Qc6+-) 22.Qc6 Qf7 (22...Nf6 23.Qe8 Ne8+-) 23.Bc8 Nf6 (23...Rc8 24.Qc8 Nf8+-) 24.Be6 1–0. DEFFM – GuestNZDJ, freechess.org, 2019.

5.c4 0-0

6.Qb3 dc4 7.Bc4 Nbd7 8.d4 (8.Nf3 Nb6=) 8...Nb6=+ 9.Bd3 Be6 10.Qc2 Bd5 (10...Rc8 11.Nc3=+) 11.Nf3 (11.e4 Be6=) 11...Bf3= 12.gf3 Nbd5 13.Qb3 (13.a3 Rc8=) 13...a5 (13...c5 14.Nd2 Rc8 15.dc5 Rc5 16.Qa3=) 14.a4 Nb4 15.Be2 (15.Bc4 Nd7 16.Nc3 e5=) 15...b6 (15...Qd5!? 16.Qd5 Nfd5=) 16.Ba3 Ne8 (16...Qd5 17.Qb2=) 17.Bb4 ab4 18.Qb4 (18.f4 Bd4 19.ed4 Qd4+=) 18...Nd6 (18...e5 19.de5 Be5 20.Nc3+=) 19.Nd2 (19.f4 Ra5+/-) 19...Rc8 (better 19...e5 20.de5 Be5+=) 20.0-0-0 (20.Qc3!?+/-) 20...Nb7 (20...c5!? 21.bc6 Rc6 22.Kb1 Qc7=+) 21.Nc4 Na5 (21...c6 22.bc6 Rc6 23.Kd2+=) 22.Na5+/- ba5 23.Qa5 (23.Qc5 e6+/-) 23...Ra8 (23...Qd6!?+=) 24.Qb4+/- c6 (24...Qd5 25.Qc4 (worse 25.Qe7 Qa2 26.Bd3 Ra4=) 25...Qc4 26.Bc4 Ra4 27.Bd5+/-) 25.b6 (better 25.bc6 Qd5 26.Qc4+- (26.Qe7?! Ra4 27.Qc5 Qc5 28.dc5 Ra5+/-)) 25...Qc8?? (better 25...Qd5!?+/-) 26.a5 (better 26.b7!? Qd7 27.ba8R Ra8+-) 26...e5? (26...Qf5 27.a6 c5 28.Qb5+- (28.dc5?! Rac8 29.b7 Rc5 30.Bc4 Qf6+-)) 27.a6 White plans b7 (27.b7 Qb8 28.ba8Q Qb4 29.Qc6 Rb8+-) 27...Qf5? (27...Qe8 28.b7 Ra7+-) 28.b7 Rab8 29.a7 ed4 30.ab8Q (30.Qf8! Rf8 31.b8Q Qc5 32.Kb1 Qa5 33.ed4 h6+-) 30...Rb8 31.ed4 Qf4 (31...Bh6 32.Kb2+-) 32.Kb1 (32.Kc2 Qc7 33.Rb1 Qd7+-) 32...h5 (32...Qf5 33.Bd3 Qf3 34.Ba6+-) 33.Rd3 (33.Kc2 Kh7+-) 33...Bf8 (33...c5 34.Qb5 Qc7 35.Rb3 (35.Qc5 Qb7 36.Kc2 Qb2 37.Kd1 Qa1 38.Qc1 Rb1-+) 35...Bd4 36.Bc4+-) 34.Qb3 (34.Qb6!? Qd6 35.Rc3 Qd7+-) 34...c5 (34...Qc7 35.Qb2 Rb7 36.Rb3 Rb3 37.Qb3+-) 35.dc5 Bc5 (35...Qc7 36.c6! Qc6 37.Rc3 Qb7 38.Qb7 Rb7 39.Kc2+-) 36.Rc1 Kg7 (36...Qf5+-) 37.Rc5 Qh2 38.Qc3 (38.Qb2 Kh6 39.Rc8 Rb7 40.Rh8 Kg5 41.Qb7 Qf4 42.Qe7 f6 43.Qc5 Qe5 44.f4 Kf4 45.Rd4 Kg5 46.Qc1 Kf5 47.Qc8 Qe6 48.Bd3 Ke5 49.Qc5 Qd5 50.Qd5) 38...Kh7 (38...Kh6 39.Rd7 Qf4+-) 39.Qb3 Qf4?? (39...Kg7 40.Qb2 Kh6+-) 40.Rd1 (40.Rc8 Rb7 41.Qb7 Qf5+-) 40...h4 (40...Kh6 41.Rd7 f6 42.Rc8+-) 41.Rc8 (better 41.Rd7 Kg7 42.Rcc7+-) 41...h3 42.Rb8 Qb8 43.Rc1 (43.Qf7 Kh6 44.Rd4 Qc8 45.Rh4 Kg5 46.Qf4) 43...Kh6 44.Rc8 Kg5 (44...Qb7 45.Qb7 Kg7 46.Qb2 f6 47.Rc7 Kh6 48.Qf6 h2 49.Qh4) 45.Rb8 f5 (45...h2 46.f4! Kf4 47.Qf7 Ke5 48.Re8 Kd6 49.b8Q Kc5 50.Qc4) 46.Re8 (46.Qe3 Kf6 47.Rf8 Kg7 48.Qe7 Kh6 49.Rh8) 46...h2 (46...Kh6 47.Qe3 f4 48.Rh8 Kg7 49.Qe5 Kf7 50.Bc4) 47.Qe6 (47.Qe3 f4 48.Qe5 Kh4 49.Rh8) 47…h1Q (47...h1Q 48.Kc2 Qa1 49.Qe7 Qf6 50.f4 Kh6 51.Qf6 Kh7 52.Rh8; 47...h1R 48.Kc2 Rh7 49.b8Q Rc7 50.Qc7 Kh6 51.Rh8 Kg5 52.f4). ClayPigeons (2165) - Fragarrakh (2270), Rated Bullet game, lichess.org, 2021.

6.c5 Nh5 (6...Bf5!?=+) 7.Bg7= h6?? (7...Kg7 8.d4=) 8.Bd3 (8.Bf8 Qf8 9.d4 Nf6+-) 8...c6?? (8...Ng7 9.Nf3=) 9.Nf3 (9.Bf8 Qf8 10.Be2 Nf6+-) 9...Bg4?? (9...Ng7 10.bc6 Nc6=) 10.Kf1 (10.Bf8!? Qf8 11.Be2 Nf6+-) 10...Qc7?? (10...Ng7 11.bc6 Nc6 12.Be2=+) 11.Qe2 (11.Bf8 Kf8 12.Nc3 Nd7+-) 11...Qa5?? (11...Ng7 12.bc6 bc6 13.h3 Bf3 14.Qf3-/+) 12.Nc3 (better 12.Bf8!? Kf8 13.h3 Bf3 14.Qf3 Kg7+-) 12...Nd7?? (12...Ng7 13.Qd1-/+) 13.Rd1 (better 13.Bf8 Rf8 14.bc6 bc6 15.Qd1 Bf3 16.Qf3 Nc5 17.Bc2+-) 13...Ne5?? (better 13...Ng7 14.Bc2 Nc5-/+) 14.Nh4 (14.Be5!? f6 15.Bg3 Kg7+-) 14...Bf3 (14...Be2 15.Be2 Ng7 16.Rc1–+) 15.Ra1 (15.Nf3 Ng7 16.Ne5 Qc7+-) 15...Rad8 (better 15...Be2 16.Be2 Ng7 17.bc6 Nc6–+) 16.g3 (better 16.Nf3 Ng7 17.Ne5+-) 16…Bg2 (16...Bg2 17.Kg2 Ng7+-; better 16...Be2 17.Be2 Ng7 18.bc6 bc6–+) 0–1. aravind555 (1750) – Grononours (1745), lichess.org, 2020.

6.Nf3 c6 7.a4 Bg4 8.h3 Bf3 (8...Bf5 9.g4 Bb1 10.Rb1=) 9.Qf3 Nbd7 10.d4 Ne4 11.Nc3 (11.a5!?=) 11...Qa5=+ 12.Rc1 Nb6 13.Qd1 (13.cd5!? cd5 14.Bd3 Na4 15.Be4 Nb2 16.Bd5–+) 13...cb5 (13...Nc4?! 14.Bc4 dc4 15.bc6 bc6 16.0-0=) 14.ab5 dc4 15.Ra1 (15.Qc2 Nc3 16.Bc3 Qb5-/+) 15...Qb4 (worse 15...Nc3 16.Ra5 Nd1 17.Kd1-/+) 16.Qc2 e5 17.f3 (better 17.d5–+) 17...ed4 18.Ba3 (18.fe4 dc3 19.Ba3–+) 18...Qc3 19.Qc3 Nc3 (19...dc3?! 20.Bf8 Kf8 21.fe4–+) 20.Bf8 Kf8 21.ed4 Nb5 22.Bc4 (22.Rc1 Bd4 23.Rc2 Re8 24.Kd1 Bf6 25.Bc4 Rd8 26.Kc1 Nd4–+) 22…Nc4 0–1. mario1970 (1720) – zolerino, gameknot.com, 2016.

5.d4 0-0

6.a4 a6 7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Nf3 Nb6 12.Bd3 Bg4 13.0-0 Qd7 (13...Qd6 14.Nbd2=) 14.h3 (14.Ne5 Bd1 15.Nd7 Nfd7 16.Rd1 Ra8=) 14...Bf3 (14...Bf5 15.Ne5 Qe6 16.Nc3 Bd3 17.Nd3+=) 15.Qf3+= e6 (15...Ra8 16.Nc3+=) 16.Nd2 (16.Qb7 Ra8 17.Bb2 Nfd5+/-) 16...Ra8 (16...Nfd5+=) 17.Bb2 (better 17.Qb7!? Ra3 18.Qb8 Qc8 19.Qc8 Nc8 20.Bc4+/-) 17...Ra2= 18.Rb1 Nbd5 (18...Qd5 19.e4 Qh5 20.Qg3+=) 19.Qd1 (19.e4 Nb6 20.Nb3 Na4+=) 19...Bf8 20.Qb3 Ra8 21.Nc4 (21.e4 Bh6 22.Rd1 Nf4+=) 21...Nb4 22.Ne5 Qd5 (22...Qd8 23.Bc4+=) 23.Bc4 Qe4 24.Rc1 Nfd5 25.Ba3 (better 25.Nd7 Be7 26.Ba3+/-) 25...Ra3? (better 25...Na2! 26.Qc2 Qc2 27.Rc2 Ra3 28.Ra2 Ra2 29.Ba2 h5+=) 26.Qa3+- Nc2? (26...Kg7 27.Bd5 Nd5 28.Qd3+-) 27.Qd3 (better 27.Bd5 Ba3 28.Be4 Bc1 29.Bc2+-) 27...Nce3?? (27...Qd3 28.Nd3 Ndb4+-) 28.Qe4 Ng2 29.Kg2 (29.Kg2 f5 30.Qf3+-) 1-0. ClayPigeons (2175) - LordAurum (2260), Rated Bullet game, lichess.org, 2021.

6.a4 c5 7.c4 (7.dc5 Nbd7=) 7...cd4 8.ed4 (8.Bd4 dc4 9.Bc4 Ne4 10.Bg7 Qd1 11.Kd1 Nf2 12.Ke2 Nh1 13.Bf8 Kf8+-) 8...dc4 9.Bc4 Nbd7 10.Qb3 (10.a5!?=+) 10...Nb6-/+ 11.Bd3 Be6 12.Qd1 Nfd5 (12...Nc4 13.Bc3-/+) 13.Nf3 (13.a5 Nf4 14.Be4 Nc4-+) 13...Nb4 (13...Nf4 14.Bf1-/+) 14.Be2 Rc8 15.0-0? (better 15.Na3-/+) 15...Nc2-+ 16.Nc3 Na1 17.Qa1 Nc4 (17...Bd4?! 18.Rd1 Bf2 19.Kf2=) 18.Bc1 (18.Bc4 Bc4 19.Re1 Re8-+) 18...Na5 (worse 18...Bd4 19.Rd1 Bc3 20.Qc3-+) 19.Rd1 (19.Be3 Nb3 20.Qe1 Qa5-+) 19...Nb3 20.Qb2 Nc1 (20...Nd4!? 21.Kh1 Qb6 22.Be3 Ne2 23.Bb6 Nc3 24.Re1 ab6 25.Kg1-+) 21.Rc1 Qa5 22.Bd3 (22.Qd2 Rc7 23.Ng5 Bh6-+) 22...Rfd8 23.Ne2 (23.Ne4 Bg4 24.Rc8 Rc8-+ (24...Bc8?! 25.Qa3-+)) 23...Rc1 (23...Qa4?! 24.Ra1 Qb3 25.Qb3 Bb3 26.Ra7-+) 24.Nc1 (24.Qc1 Bd5-+) 24...Bd5 25.Nb3 (25.Qc2 Bf3 26.gf3 Rd4-+) 25...Qb4 26.Bc2 (26.Nfd2 Rc8 27.g3 Rc3-+) 26...Bf3 27.gf3 Bd4 28.Qc1 Rc8 (28...Bf6 29.b6-+) 29.Qd1 Bf6 30.Be4 Qa3 (30...Qa4 31.Qd7 Rc3 32.Nd2-+) 31.Kg2 (31.Qd7 Rc3 (31...Qb3?! 32.Qc8 Kg7 33.Qc2 Qc2 34.Bc2-/+) 32.Nd2 Rc5-+) 31...Qa4 32.Qd7 (32.Qd5 Rb8-+) 32...Rf8 (32...Rc3 33.Nd2 Rc5 34.f4 Qb5 35.Qb7-+) 33.Nd2 (33.Nc5 Qa3 34.Nb7 a6-+) 33...a6 34.Bb7 Qb5 35.Bc6 Qb6 (35...Qg5 36.Kf1-+) 36.Ne4 1-0. ClayPigeons (2205) - uscf1391 (2200), Rated Bullet game, lichess.org, 2021.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nbd2 (10.c4 cb5 11.cb5 Ne4=) 10...cb5 (10...Bf5 11.c4=+) 11.Bb5= Nc6 12.0-0 Ne4 (12...Bg4!?=) 13.Ne4+= de4 14.Nd2 e5 (14...f5 15.Bc4 Kh8 16.f3+=) 15.Ne4+- ed4 (15...Qb6 16.Bc6 Qc6 17.d5+-) 16.Bc6 bc6 17.Bd4 Bf5 18.Ng3 Bd4 19.ed4 (19.Qd4?! Qd4 20.ed4 Bc2=; 19.Nf5?! Bf6 20.Nd4 c5+-) 19...Qd5 20.Re1 Rd8 21.Qc1 Be6 (21...Qd4 22.Nf5 gf5 23.Qg5 Kh8 24.Qf5+-) 22.c3+- Qc4 (22...Re8 23.Ne4 Kg7 24.Nc5+-) 23.Ne4 Kg7 (23...Rf8 24.Qe3 Kg7 25.Qf4+-) 24.Qf4 Ra8 (24...Rf8 25.Qf6 Kg8 26.Qe5+-) 25.Qe5 Kg8 (25...Kh6 26.g4! Bg4 27.Qg5 Kg7 28.Qf6 Kg8+-) 26.Nf6 Kf8 27.Nh7 Ke7 (27...Kg8 28.Nf6 Kf8 29.Nd7 Kg8+-) 28.Qc7 Ke8 29.Qd6 Qc3 30.Nf6 1–0. onur604 (2320) – Gunawanpanjaitan98 (2175), lichess.org, 2020.

5.Be2 0-0

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.0-0 cb5 11.Bb5 Nc6 12.d4 (12.Bf6 Bf6 13.d4 Qa5=) 12...Bg4 (12...Qa5 13.Nc3=+) 13.Nbd2= Ne4 14.Be2 Nc3. onur604 (2320) - SergB17 (2215), Casual Rapid game, lichess.org, 2021.

6.Nf3 a6 7.a4 Qd7 (7...ab5!? 8.ab5 Ra1 9.Ba1 Re8=+) 8.0-0 c6 (8...ab5 9.ab5 Ra1 10.Ba1=) 9.c4 (9.Nc3 Qc7=) 9...dc4= 10.Bc4 (10.b6 c5=) 10...ab5=+ (worse 10...cb5 11.ab5 Qc7 12.Qe2+-) 11.ab5 Ra1 12.Ba1 cb5 13.Ne5 Qd6 (13...Qe8 14.Be2=+) 14.Bb5= Ne4 (14...Be6 15.Qa4=+) 15.f4 Be6 16.Qe2 Nc6 17.d3 Nc5 (worse 17...Ne5 18.fe5 Be5 19.Be5 Qe5 20.de4 Qe4 21.Nd2+-; 17...Be5? 18.fe5 Ne5 19.de4+-) 18.d4 Ne4 19.Bb2 f5 20.Ba3 Qc7 21.Bc4 Rf6?? (better 21...Nd4 22.ed4 Bc4 23.Nc4 Bd4 24.Kh1 Nf2 25.Rf2 Bf2 26.Be7 Re8 27.Qe6 Kg7 28.Qf6 Kg8 29.Qe6 Kg7 30.Qf6 Kg8 31.Qe6=) 22.Be6+- Re6 23.Qc4 Qc8 24.d5 Ne5 1–0. DEFFM – GuestSVPY, freechess.org, 2019.

5.Nf3 0-0

(---> 4.b5 0-0 5.Nf3 d5).

5.Nf3 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 0-0 9.Be2 c6 10.0-0 Bd7 (10...cb5!? 11.Bb5 Nc6=) 11.Nc3+= cb5 12.Qb1 Qe8 (12...Ne4 13.Nb5 Ba1 14.Qa1 Bb5 15.Bb5=) 13.Nb5+= Bb5 14.Bb5 Qd8 15.d4 Nc6 16.c4 dc4 17.Bc4 e6 18.Qb7 Na5 19.Qb5 Nc4 20.Qc4 Nd5 21.e4 Nf4 22.g3 Nh3 23.Kg2 Ng5 24.Ng5 Qg5 25.d5 ed5 26.ed5 Ba1 27.Ra1 Qd2 (27...Rd8 28.Ra5+/-) 28.Ra2 Qd1 29.Ra7 Rd8 (29...h5+-) 30.d6! Qb3 (30...Qd6 31.Qf7 Mate attack; 30...Rd6 31.Qf7 Mate attack) 1-0. DEFFM – GuestSJXK, freechess.org, 2021.

6.a4 ab5 7.ab5 c6?? 8.Ra8+- 0-0 (8...Nbd7+-) 9.Rb8 Qc7 (9...cb5 10.Nc3 Nd7 11.Ra8+-) 10.Be5 Qb6 (10...Qa5 11.bc6 bc6 12.Qc1+-) 11.bc6 Qc6 12.Nc3 e6 (12...Ne4 13.Qa1 f6 14.Bb5+-) 13.Qa1 Nd7 14.Bg7 Kg7 1–0. DEFFM – GuestWes, freechess.org, 2019.

5.Nf3 c6

6.a4 0-0 7.e4? Bg4 (better 7...de4 8.Ng1 Nbd7-/+) 8.Ke2?? (8.ed5!? Qd5 9.Nc3=+) 8...Nbd7 (8...de4 9.Ke1 ef3 10.gf3–+) 9.d4?? (better 9.ed5 Bf3 10.Kf3 Ne5 11.Ke2 Nd5 12.Ke1-/+) 9...Ne5 (better 9...de4 10.Nbd2 ef3 11.Nf3 Rc8–+) 10.Nbd2?? (better 10.de5!? Ne4 11.h3+-) 10...de4?? (better 10...Nc4 11.Nc4 de4-/+) 11.bc6?? (11.de5 Re8 12.Ke1 ef3 13.gf3 Bd7 14.bc6 Bc6 15.ef6 ef6 16.Be2 Qb6+=) 11...Bh5 (better 11...ef3 12.gf3 Nf3 13.Nf3 Bf3 14.Kf3 Qd5 15.Ke3 Bh6 16.f4 Qh1 17.cb7 Nd5 18.Kf2 Qh2 19.Bg2 Rab8–+) 12.de5+= e3?? (12...ef3 13.Nf3 Nd5 14.cb7=) 13.Rc1 (13.cb7 ed2 14.ba8R (14.ef6?! ef6 15.Ra3 Qe7 16.Kd2 Bh6 17.Re3 Rab8+-) 14...Qa8 15.Kd2+- (15.ef6 Rd8 16.Qd2 Rd2 17.Kd2 Bh6 18.Kc3 Bf3 19.gf3 Qf3 20.Bd3 Qf6 21.Kb3 Qf2+-)) 13...Qb6? (13...ed2 14.Qd2 Bf3 15.gf3 Qd2 16.Kd2 Bh6 17.Ke1 Bc1 (worse 17...bc6 18.ef6 Bc1 19.Bc1 ef6 20.Bd3+=) 18.Bc1 Nd5 19.cb7 Rab8=+) 14.Bd4?? (better 14.Nc4 Qa6 15.ef6+- (15.Ke3?! Ng4 16.Kf4 Nf2=+)) 14...Nd7?? (better 14...Qd4! 15.fe3 Qe5 16.cb7 Rab8-/+) 15.Ne4 (better 15.Bb6 ed2 16.Qd2 Nb6 17.cb7 Rab8+-) 15...Rac8?? (15...Qc6 16.e6 Ne5 17.Be5 Be5=) 16.cb7 (better 16.Bb6 Nb6 17.cb7 Rb8+-) 16...Qd8?? (16...Qb7 17.e6 Ne5 18.Be5 Qe4 19.Bg7 Rfd8=) 17.bc8R Qc7 (17...Qc8 18.e6 Qc4 19.Qd3 Qe6 20.Bg7 Kg7 21.fe3 Ne5+-) 18.c4 (better 18.Rc7 Ne5 19.Be5 Be5 20.Re7+-) 18…Qc4 (18...Rc8 19.e6 fe6 20.Bg7 Kg7 21.Qd4 e5 22.Qe3 Qa5+-) 1–0. onur604 (2320) – theblunderer101 (2235), lichess.org, 2020.

6.a4 a6 7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 0-0 11.Nc3 Bg4 (11...Nbd7 12.bc6 bc6 13.0-0=) 12.d4 (12.h3 Bf3 13.Qf3 Nfd7=) 12...cb5 13.Nb5 Nc6 14.0-0 Qc8 15.h3 Bf3 16.Qf3 Nd4 17.Bf7 (worse 17.ed4 Qc4 18.Qb7 Qd5 19.Qd5 Nd5=+) 17...Rf7 18.Bd4 Qc6 19.Qe2 Ne4 20.Bg7 Kg7 21.Nd4 Qf6 22.Qc2 Nd6 23.Qb3 e5 24.Ne6 Kh6 25.Qd5 Re7 26.Nc5 b6 27.Na4 Qe6 (27...b5 28.Nc5+=) 28.Qe6+/- Re6 29.Nb6 Ne4 30.Nc4 Kg5 (better 30...Kg7!?+/-) 31.Ne5!+- Kf5 (31...Re5 32.f4 Double attack (32.f4 Decoy)) 32.Nf3 g5?? (better 32...Rb6+-) 33.Nd4 Ke5 34.Ne6 Ke6 35.Rc1 h5 (35...Nd6 36.f3+-) 36.f3 Ng3 37.Kf2 h4 (37...Nf5 38.e4 Nd6 39.Rc6+-) 38.Rc5 Kf6 39.Ra5 Kg6 40.Ke1 Nf5 41.Ke2 Ng3 42.Kd3 Nf1 (42...Kf6 43.Ra4 Nh1 44.f4+-) 43.Ra6 Kh5 (43...Kg7 44.Ra4+-) 44.e4 Ng3 45.Kd4 1-0. PierrE – Serems, internet, 2022.

6.a4 a6 7.d4 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3 Qb6 11.Na3 0-0 12.Bd3 Bg4 13.0-0 c5 14.dc5 Qc5 15.Bb2 e5 16.Be2 Bf3 (16...Nbd7 17.Qd2=+) 17.Bf3= Re8 18.Qa1 Nbd7 19.c4 dc4 (19...e4 20.Be2=) 20.Bb7+= Bf8 (20...Nb6 21.Bc6 Re6 22.Rd1+/-) 21.Rc1+/- Qa7? (better 21...Nb6!?+/-) 22.Bc6+- c3 23.Rc3 Bb4 24.Rd3 e4 (24...Re6 25.Nc4 Qc5 26.Qa2+-) 25.Rd4 (25.Rd7 Nd7 26.Nc2 Qa1 27.Ba1 Bc5+=) 25...Ba3 (25...Bc5 26.Rd1 Re6+-) 26.Ba3 Rc8 27.Rd6 (27.Be4?! Ne4 28.Re4 Qa5+/-) 27...Ne8 (27...Nb8+-) 28.Rd7 (28.Bd7?! Nd6 29.Bc8 Nc8+-) 28...Qa4 29.Rf7! Kf7 (29...Kf7 30.Bd5 Mate attack) 30.Bd5 1-0. DEFFM – SYEDASHRAFI, freechess.org, 2021.

6.a4 Bg4 7.Be2 Nbd7 8.d4 0-0 9.0-0 Qc7 10.c4 Ne4 (10...cb5 11.cb5 Rfc8 12.Nbd2=) 11.Nbd2 Ndf6 12.Ne4 de4 (12...Ne4 13.Rc1 Qd6 14.Qd3+=) 13.Nd2 Be2 14.Qe2 Rad8 15.Rab1 e6 (15...cb5 16.ab5 Rfe8 17.Ra1+-) 16.bc6 (16.f3 ef3 17.Qf3 Qa5+-) 16...bc6 White creates threats along the open b–file (16...Qc6 17.a5+=) 17.Nb3+- Rb8 18.Nc5 Rb4? (better 18...Qd6+-) 19.Na6+- Qa5 20.Nb4 Qb4 21.Qc2 h5 (21...Qd6 22.Bc3 Qc7 23.Rfd1+-) 22.d5 (22.c5 Qa5+-) 22...Qd6 23.Bf6 Bf6 24.Qe4 ed5 25.cd5 cd5 26.Qd3 Rd8 Black prepares the advance d4 (26...d4 27.Rb7+-) 27.Rb7 a5 (27...d4 28.Ra7 de3 29.Qd6 (29.Qe3?! Bd4 30.Qe7 Ba7 31.Qa7 Qc6+-) 29...ef2 30.Kf2 Rd6 31.Kf3+-) 28.Rb5 d4 29.Ra5 de3 30.Qe3 Bd4 31.Qf3 Qb4 32.Ra8 Ra8 33.Qa8 Kg7 34.a5 Qd2 (34...Qa4 35.a6+-) 35.a6 h4 (35...Qd3 36.Qb7 Qa3 37.Rd1+-) 36.Qe4 h3 37.gh3 Ba7 38.Qe5 Kh7 (38...Kg8+-) 39.Qe7 (39.Qe7 Bd4 40.Qf7 Kh6 41.h4+-) 1–0. onur604 (2320) – theblunderer101 (2235), lichess.org, 2020.

5.Nf3 Bg4

6.c4 e6 7.cd5 ed5 8.Be2 0-0 9.0-0 Ne4 (9...a6 10.a4=) 10.d4 (10.Bg7 Kg7 11.Nc3 Nd7+=) 10...b6 (10...a6!?=+) 11.Qa4 (11.Nc3 c5+=) 11...a5 12.Rc1 Qd6? (better 12...Nd7!?+=) 13.Ba3+- c5? (better 13...Qd8 14.Bf8 Bf8+-) 14.bc6 Qc7 15.Bf8 Bf8 16.Nc3 Nc6 (16...Qc6 17.Qc6 Nc6 18.Nd5 Nb4 19.Nb6 Rb8+-) 17.Nd5 Qb7 (17...Qd8 18.Qc6 Rc8 19.Qb5+-) 18.Qc6 Qc6 19.Rc6 b5 (19...Rd8 20.Nb6 Bd6 21.Bd3+-) 20.Bb5 a4 (20...Rd8 21.Bd3 Rd5 22.Be4+-) 21.Nb6 (21.Bd3 Bf3 22.gf3 Nd6+-) 21...Ra5 (21...Rd8 22.Ba4 Bg7 23.Bb3+-) 22.Ba4 Bd7 (22...Kg7+-) 23.Nd7 Ra4 24.Rc8 Kg7 25.Rf8 Ra7 26.Nfe5 (26.Nfe5 Nd6 27.a4+-) 1–0. DEFFM – GuestFTYJ, freechess.org, 2019.

6.Be2 0-0 7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.c4 cb5 12.cb5 Qb6 (12...Nbd7 13.h3 Be6 14.Bd4=) 13.Nc3 (13.h3 Be6=) 13...Bf3 (13...Nbd7!?=) 14.Bf3+= d4 (better 14...e6!?+=) 15.ed4+- Qd4 16.Bb7 Nbd7 17.Nd5 Qc5 18.d4 Qd6 19.Ne3 Nb6 20.Qb3 Rb8 21.Bc6 h6 (21...e6 22.Bb2+-) 22.Bb2 Ra8?? (better 22...e6+-) 23.Ba8 (23.Ba8 Na8 24.Rc1+-) 1–0. DEFFM – pehee, freechess.org, 2019.

4.b5 d6

5.a4 0-0 6.Nf3 Bg4 (6...e5 7.d4 e4 8.Ng5+=) 7.Be2= c6 (7...Nbd7 8.0-0=) 8.c4 (8.0-0 Nbd7=) 8...cb5 (8...d5 9.d4=) 9.ab5 Nbd7 (9...d5 10.c5=) 10.0-0 Rc8? (better is 10...d5!?=) 11.Ra7+/– b6 (11...Qb6 12.Bd4 Nc5 13.Ra4+/–) 12.d3 (12.Nd4 Be2 13.Qe2 d5+-) 12...Ra8 (12...Rc7 13.Ra6+/–) 13.Ra8 Qa8 14.Nd4 Be2 15.Qe2 Qb7 16.Nc6 Nb8 17.Nb4 Nbd7 18.Nd2 Nc5 (18...Ra8 19.Nc6 e6 20.Qf3+-) 19.Ra1 Ra8 20.Qd1 (20.Ra8 Qa8 21.Nc6 Qb7+-) 20...e6 (20...Ra1 21.Qa1 h6 22.Bf6 Bf6 23.d4+-) 21.f3 (21.Nc6 Nd3 22.Bf6 Ne5 23.Bg7 Kg7+-) 21...d5+/– 22.d4 Na4?? (better is 22...Ra1 23.Ba1 Ncd7+/–) 23.Ra4+- Rc8 (23...Ra4 24.Qa4 Bh6 25.Qb3+-) 24.Nc6 Re8 (24...dc4 25.Ra7 Qa7 26.Na7+-) 25.Ra7 (25.Ra7 Qc8 26.c5+-) 1–0. Weiss,Peter – Cinque,Raphael, Baden opC Leimen, 2001.

5.c4 c6 6.a4 0-0 7.Nf3 e5 8.Be2 e4 (8...Nbd7 A) 9.d4 ed4 10.ed4 Ne4 11.0-0 Re8 12.Re1 Ndf6 13.Bd3 d5 14.Nc3 Bg4; B) 9.d3 Nc5 (9...e4 10.de4 Ne4 11.Bg7 Kg7 12.Qd4 Ndf6 13.bc6 bc6 14.Nbd2 c5) 10.0-0 e4 11.de4 Nfe4 12.Bg7 Kg7 13.Qd4 Qf6 14.Qf6 Kf6; C) 9.Nc3 e4 10.Nd4 c5 11.Nb3 Ne5 12.Qc2 Bf5 13.0-0 Re8 14.h3 Nd3; D) 9.0-0 e4 (9...Nc5 10.Nc3 Bd7 11.d4 ed4 12.Nd4 Re8 13.Re1 Qe7 14.Qc2 Nfe4; 9...Qe7 10.d4 ed4 11.ed4 Ne4 12.Re1 Ndf6 13.Bd3 Re8 14.Nc3 Nc3) 10.Nd4 c5 11.Nb3 Qe7 12.Qc2 Ne5 13.h3 Bf5 14.Be5 Qe5; 8...Qe7 A) 9.d4 c5 (9...ed4 10.Nd4 c5 11.Nf3 Ne4 12.Qb3 Nd7 13.Nc3 Ndf6 14.0-0 Bf5; 9...e4 10.Nfd2 c5 11.Nb3 cd4 12.Nd4 Nbd7 13.Nc3 Nc5 14.0-0 Bd7) 10.de5 de5 11.Be5 Rd8 12.Nbd2 Bg4 13.Ra3 a6 14.Rd3 Rd3; B) 9.Nc3 Bf5 (9...e4 10.Nd4 c5 11.Nb3 Nbd7 12.Qc2 Qe6 13.Na5 d5 14.cd5 Nd5; 9...Nbd7 10.d4 e4 11.Nd2 c5 12.0-0 cd4 13.ed4 Bh6 14.Nb3 a6; 9...Be6 10.0-0 Nbd7 11.Ng5 Bf5 12.e4 Be6 13.Ne6 Qe6 14.Qc2 Nc5) 10.0-0 Nbd7 11.d4 Rac8 12.h3 Ne4 13.Ne4 Be4 14.Nd2 Nf6) 9.Nd4 Nfd7 (9...c5 10.Nb3= Nbd7 11.0-0 Qc7 12.Qc2 Ne5 13.Be5 de5 14.Nc3 b6; 9...Re8 10.f4 Nh5 11.Bh5 Qh4 12.g3 Qh5 13.Qh5 gh5 14.Bc3 c5) 10.Nc3 Re8 (10...c5 11.Nb3 Nf6 12.0-0 Bf5 13.d4 ed3 14.Bd3 Be6) 11.0-0 Nc5 (11...Nf6 12.f3 c5 13.Nb3 ef3 14.Bf3 Nbd7) 12.Qc2 (12.Ba3 Qc7 13.a5 a6 14.Bb4 Nbd7) 12...Bd7 (12...Qg5 13.f4 ef3 14.Rf3 Be5) 13.f3 f5 (13...ef3!? 14.Rf3 Be5+= (14...a6=)) 14.Nb3 (14.fe4!? fe4 15.Rf2+/–) 14…Qe7 (14...ef3+/–) ½–½. Pietrowski,Reinhold – Sand,Peter, IBCA–ol blind, 1980.

5.c4 Nh5 6.d4 f6?? 7.Nf3?? (better 7.g4+-) 7...f5 8.Be2 Nf6 9.Qb3 0-0 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 c6 14.0-0 cb5 15.cb5 e6 16.Bb2 d5 17.Ba3 Bd7? (better 17...Re8+/-) 18.Bf8+- Qf8 19.Ne5 Be8 20.Na4 Nbd7 21.Nd7 Nd7 22.Nc5! Nf6?? (22...Nc5 23.dc5 Combination) 23.Nb7 Ne4 24.Na5 (better 24.Rc1+-) 24...Nd2 25.Qc3 Nf1 26.Bf1 Qd6 27.Nc6 (better 27.Qc5 Bf8 28.Qd6 Bd6 29.b6+-) 27...e5? (27...Bf6 28.Qa5+-) 28.Qc5 (better 28.Ne5 Qe6 29.Qc7 Be5 30.de5+- (worse 30.Qe5 Qe5 31.de5 Kf7+-)) 28...Qc7?? (better 28...Qc5 29.dc5 Bf8+-) 29.Qd5 (better 29.Ne7 Qe7 30.Qe7 Bd7+-) 29...Kh8 (29...Bf7 30.Qc5 Bf8 31.b6+-) 30.de5 (better 30.Bc4 Bf7 31.b6+-) 30...Bc6 31.bc6 Qe5 (31...Be5 32.Bc4 Kg7 33.g3+-) 32.Qe5 (32.Qd8 Qe8 33.Qe8 Bf8 34.Qf8) 32...Be5+- 33.f4 Bc7 34.Bc4 Kg7 35.Bd5 Kf6 36.e4 (36.Kf2 h6+-) 36...Ke7? (better 36...Bf4!? 37.Kf2 Bc7+/-) 37.g3 (37.e5 Bb6 38.Kf1 h6+-) 37...fe4 38.Be4 Kf6 (38...Kd8 39.Kf2+-) 39.Kg2 h6 (39...Ke7 40.Kf3+-) 40.Kf3 (40.h4!? Kf7+-) 40...g5 41.h3 gf4 42.gf4 h5 43.h4 (43.Kg3 Ke6+-) 43...Kg7 (43...Ke7 44.Bg6 Kd6 45.Bh5 Kc6 46.Bg4+-) 44.Bd5 (44.Bf5 Kf7+-) 44...Kf6 45.Ke4 Kg7 (45...Ke7+-) 46.Kf5 Kh6 47.Bf7 Kg7 (47...Bb8 48.Ke4+-) 48.Bh5 Kf8 49.Bg4 Ke7 (49...Kg7 50.Bf3+-) 50.Bf3 (50.h5 Kf7+-) 50...Kf8 51.h5 Ke7 (51...Kg7+-) 52.h6 Kf7 53.Kg5 (53.Bd5 Kf8 54.Kg6 Ke7+-) 53...Kg8 (53...Bd8 54.Kh5 Bc7+-) 54.f5 Kh8 (54...Be5 55.f6 Kf7 56.c7 Bc7 57.h7 Bf4 58.Kf5 Ke8 59.h8Q Kd7 60.Qg7 Kc8 61.Qb7 Kd8 62.Ke6 Bc7 63.Qa8 Bb8 64.Qb8) 55.Bd5 (55.f6 Kg8 56.Kg6 Bg3 57.h7 Kh8 58.f7 Bd6 59.f8Q Bf8 60.c7 Bd6 61.c8Q Bf8 62.Qf8) 55...Bd6 (55...Bh2 56.f6 Bd6 57.f7 Be7 58.Kg6 Bd6 59.c7 Bf8 60.h7 Bd6 61.c8Q Bf8 62.Qf8) 56.Kg6 Be5 (56...Bb4 57.c7 Bf8 58.f6 Bh6 59.c8Q Bf8 60.Qf8) 57.f6 Bd6 (57...Bd6 58.f7 Bc5 59.c7 Bf8 60.h7 Bd6 61.c8Q Bf8 62.Qf8; 57...Bg3 58.f7 Bd6 59.c7 Bf8 60.h7 Bd6 61.c8Q Bf8 62.Qf8). ClayPigeons (2205) - neo81 (2215), Rated Bullet game, lichess.org, 2020.

5.Bd3 0-0 6.h4 Nbd7 7.h5 Nh5 8.Bg7 Ng7 9.Qg4 Nf6 10.Qh4 h5 11.Nf3 Bf5 12.Nd4 Bd3 13.cd3 e5 14.Nf3 Nf5 15.Qg5 Ng4 16.Nc3 Qg5 17.Ng5 Nf6 18.Nce4 Ne4 19.Ne4 Kg7 20.g4 hg4 21.Rg1 Nh6 22.d4 f5 23.Ng5 Rae8 24.de5 Re5 25.a4 Nf7 26.f4 Re7 27.Ke2 Ng5 28.fg5 Re4 29.d3 Rb4 30.Rac1 Rf7 0–1. golik (1820) – Hurzzz (1870), lichess.org, 2019.

5.d4 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.Nf3 Nb6 10.Bd3 Bd7 11.0-0 Qa8 12.Nbd2 0-0 13.c4 Qa3 (13...Qa2 14.Qb1 Ra8 15.Bc3=) 14.Qc2 Ra8 (14...Qa4 15.Qc3 Qa2 16.Qb4=) 15.Bb2 Qa2 (15...Qb4!?=) 16.Ra1+- Qa1 17.Ba1 Ra1 18.Bf1 c6?? (better 18...Bh6+-) 19.Qb2+- Ra4 (19...Rf1 20.Kf1 cb5 21.cb5 Bf8+-) 20.bc6 Bc6 (20...bc6 21.Qb6 Ra2 22.c5+-) 21.Qb6 Bf3 (21...Ra1 22.d5 Be8 23.Qb7+-) 22.Nf3 Rc4 (22...Bf8+-) 23.Bc4 (23.Bc4 h6 24.Qb7+-) 1–0. DEFFM – GuestQDQF, freechess.org, 2019.

5.Nf3 a5 6.a4 (6.d4 0-0=) 6...b6 7.Bc4 (7.d4 Nbd7=) 7...0-0 8.d4 (8.Nc3=) 8...Nfd7 (8...d5 9.Be2=) 9.0-0 (9.e4 Bb7 10.Nc3 e5+=) 9...e5 (9...Nf6!?+=) 10.Bd5+- Ra7 11.Nbd2 (11.Nc3 Re8+-) 11...Kh8? (better 11...Nf6!? 12.c4 Re8 13.de5 de5+=) 12.de5 (12.Ne4 Bb7 13.Bb7 Rb7+-) 12...Ne5 13.Ne5 (13.Nd4 Bb7 14.Bb7 Rb7+-) 13...Be5 14.Be5 de5 15.Nc4 Qe7 16.Qf3 f5 (16...Nd7 17.Qg3+=) 17.e4 Be6 (17...Nd7!?+-) 18.Ne5+- Bd5 19.Qc3 Qg7 20.ed5 Nd7 21.f4 (21.Rfe1 Nc5+-) 21...Nc5 22.Qd4 Raa8 23.Ra3 Rae8 24.Rh3 (24.Rc3 Qf6+-) 24...Kg8 25.Qc4 Kh8 26.Qd4 (26.Re1 Ne4+-) 26...Kg8+- 27.Rd1 Ne4 28.Qc4 Nd6 29.Qc6 (29.Qb3 Re7+-) 29...Re7 30.Qc3 (30.Re1 Rfe8+-) 30...Rfe8 31.Qb3 Kh8 (better 31...Kf8+-) 32.Qc3 (32.Re1 Nf7 33.d6 Nd6 34.Ng6 Qg6 35.Re7 Re7+-) 32...Kg8 33.Qb3 Kh8 34.Qc3 (better 34.Re1!?+-) 34…Kg8= ½–½. DEFFM (2340) – ramenfort (2035), rated rapid game lichess.org, 2020.

5.Nf3 a6 6.d4=.

5.Nf3 Bd7 6.Be2 0-0 7.c4 (7.0-0 a6 8.a4 d5=) 7...Qe8 (7...a6 8.d4=) 8.0-0 c6 (8...a6 9.Qa4=) 9.a4 (9.Nc3 a6+=) 9...cb5 (9...h6 10.d4+=) 10.cb5 (10.ab5 d5+=) 10...Bg4 (10...a6 11.Nc3+=) 11.Nc3 Nbd7 (11...Qd7 12.d4+=) 12.d4 (12.Rc1 Rc8+=) 12...Nb6 (12...Rc8 13.Rc1+=) 13.Qb3 (13.a5 Nbd5+=) 13...Rc8 (13...Be6 14.Qb4+=) 14.Rfc1 (14.a5 Be6 15.Qb4 Nbd5 16.Nd5 Bd5+=) 14...Be6 15.Qc2 (15.Qb4 Bc4+=) 15...Bc4 (15...Bf5 16.Bd3 Bd3 17.Qd3+=) 16.Qd2 (16.a5 Be2 17.Qe2 Nc4+=) 16...Be2 (16...Be6 17.e4=) 17.Qe2+= Nc4 18.h3 (18.Nd5 Nd5 19.Rc4 Qd7+=) 18...Nb2 (18...Qd7 19.Nd5 Nd5 20.Rc4=) 19.Qb2+= Nh5 (19...e5 20.a5+=) 20.Nd5 e6?? ( 20...Qd7+/–) 21.Rc8+- (21...Qd7 22.Rc7+-) 1–0. Francia,Pasquale – Bubbaro, 5 minutes game, 2005.

5.Nf3 Bg4 6.h3 Bf3 (6...Bd7 7.Be2=) 7.Qf3 0-0 (7...c6!?=) 8.Qb7+/- Nbd7 9.Be2 Nc5 10.Qc6 Na4 11.Bc3 Nc3 12.Nc3 (worse 12.Qc3 Ne4 13.Qc6 Nf2 14.Kf2 Ba1-/+) 12...Nd7 13.0-0 Ne5 14.Qb7 Qd7? (better 14...Qc8 15.Qc8 Rfc8+-) 15.f4+- Rfb8 (15...c6 16.Qa6 cb5 17.Bb5+-) 16.Qa6 Rb6 17.Qa3 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

5.c4 0-0

6.d4 c6 7.a4 Bd7 8.Nc3 e5 9.Nf3 ed4 10.ed4 (10.Nd4 Bg4 11.Be2 Be2 12.Qe2 Re8+=) 10...Re8 (10...Bg4 11.Be2=) 11.Be2= Ng4 (11...d5 12.0-0=) 12.0-0+= cb5 (12...Be6 13.d5 cd5 14.cd5+=) 13.ab5 a6 14.Re1 Bf5 15.Qb3 ab5?? (better 15...Nf6+=) 16.Ra8+- bc4 (16...Bd4 17.Nd4 Qh4 18.Nf3 Qf2 19.Kh1+-) 17.Bc4 Re1 18.Ne1 Qe7 (18...b6 19.Bf7 Kh8+-) 19.Rb8 Bf8 20.Nf3 Bd7 (20...Be6 21.Be6 fe6 22.Ng5 Qg5 23.Qe6 Kg7 24.Rb7 Kh6 25.Ne2+-) 21.h3 (better 21.Nd5 Qe4 22.Bc1 Kg7+-) 21...Nf6 22.Ba3 h5 (22...Bc6 23.d5 Bd7 24.Rb7+-) 23.Bf7! Qf7 24.Qf7 Kf7 25.Rb7 Ke6 (25...Be7 26.Ng5 Kf8 27.Ra7+-) 26.Ng5 Kf5 27.Nf7 (27.h4 Kg4+-) 27...Be7 (27...Ke6 28.Nd6! Bd6 29.Rb6+-) 28.Nd6 Bd6 29.Bd6 Be6 (29...Bc8 30.Re7 g5 31.Be5+-) 30.Be5 (better 30.Rb5 Nd5+-) 30...Nd5 31.Nd5 Bd5 32.Rb6 g5 (32...Bc4 33.Rf6 Ke4 34.Rg6+-) 33.Rf6 (33.f3 Bf3 34.Rf6 Ke4 35.gf3 Kd5 36.Rd6 Kc4+-) 33...Ke4 34.f3 Ke3 35.Rg6 g4 36.hg4 (36.fg4!? hg4 37.Rg4 Bc4+-) 36...hg4 37.Rg4 Bc4 (37...Kd3 38.Rh4+-) 38.Rg6 (better 38.Re4!? Kd3 39.d5 Bb5+-) 38...Bd5 39.Rf6 Ke2 (39...Bb7 40.g4 Bd5 41.g5+-) 40.Kh2 (40.g4!? Bc4+-) 40...Ke3 41.Kg3 (41.g4 Bc4+-) 41...Ke2 42.Kf4 Kd3 (42...Kf2 43.Rd6 Ba8 44.d5+-) 43.g4 Kc4 44.g5 Bc6 45.g6 (45.Rc6 Kd3 46.d5 Kd2 47.d6 Ke2 48.d7 Kd2 49.d8Q Ke2 50.Rc1 Kf2 51.Qd2) 45...Bd7 46.g7 Be6 47.Re6 (47.Re6 Kb4 48.Rb6 Kc4 49.g8Q Kc3 50.Ke3 Kc2 51.Qc4 Kd1 52.Rb1) 1-0. ClayPigeons (2130) - Nephelim96 (2210), Rated Bullet game, lichess.org, 2019.

6.d4 Nbd7 7.Nf3 e5 8.Qb3 (8.Be2 ed4 9.Bd4 Nc5=) 8...ed4=+ 9.ed4 Re8 10.Be2 c6 (10...Nh5 11.Bc1=+) 11.Nc3= cb5 12.cb5 Nb6 13.0-0 Be6 14.Qd1 Nc4 15.Bc1 a6 (15...Qa5 16.Bd2=+) 16.d5 (better 16.ba6 ba6 17.Ng5=) 16...ab5?? (better 16...Nd5 17.Nd5 Bd5 18.Qd5 Nb6 19.Qb7 Re2=+) 17.de6+- Re6 18.Nb5 Ne5 (18...d5 19.Nfd4 Re8 20.Bg5+-) 19.Nfd4 Re8 20.a3 Nd5 (20...d5 21.Bf4+-) 21.Rb1 (21.Nf5 gf5 22.Qd5 f4+-) 21...Nc6 22.Bb2 (22.Nc6 bc6 23.Bf3 Ra5 24.Bd5 cb5+-) 22...Qh4 (22...Nf4 23.Bf3 d5 24.Nc6 bc6 25.Bg7 Kg7 26.Qd4 Qf6 27.Qf6 Kf6 28.Nc7+-) 23.g3 Qh3 (23...Qe7+-) 24.Bf3 (24.Bg4!? Qh6 25.Bc1 g5+-) 24...Nf6 25.Bg2 (25.Nc6 bc6 26.Bf6 cb5 27.Bg7 Kg7 28.Ba8 Ra8 29.Qd4 Kg8 30.Rb5 Qd7+-) 25...Qh5 (25...Qd7 26.Nc6 bc6 27.Nd6+-) 26.Nd6 (26.Nc6 bc6 27.Bc6 Qd1 28.Rfd1 Ra6 29.Be8 Ne8+-) 26...Red8 27.Nc6 (27.Qh5!? Nh5 (27...gh5?? 28.N4f5+-) 28.N4b5 Na5+-) 27...bc6 28.Qh5 (28.Bc6 Ng4 29.h4 Ra6 30.Bg7 Rc6+-) 28...Nh5 (28...gh5?? 29.Nf5+-) 29.Bg7 Nf6 (29...Ng7 30.Nc4 Ra6+-) 30.Nb7 (better 30.Bf6 Rd6 31.Be7 Re6+-) 30...Rdb8 (30...Kg7 31.Nd8 Rd8 32.Bc6 Rd6+-) 31.Bf6 Kf8 32.Bc6 (better 32.Nd6 Kg8 33.Bc6 h6+-) 32...Ra5 33.Bd4 (33.Na5 Rd8 34.Rfd1 Rc8 35.Rbc1 h6 36.Bd7 Rd8 37.Rc8 Rc8 38.Bc8 Kg8 39.Rd8 Kh7 40.Rh8) 33...Rb7 34.Bb7 (34.Rb7 h6 35.Re1 Ra8 36.Bd5 Kg8 37.Bf7 Kf8 38.Bd5 Ra3 39.Bc5) 34...f5 35.Bc3 Kf7 36.Bb4 (36.Ba5 f4 37.Bd5 Kf6 38.Bd8 Ke5 39.Rb5 Kd6 40.Bf7 Kc6 41.Be8 Kd6 42.Rc1 fg3 43.Rc6) 36...Ke6 37.Bd5! Ke5 (37...Rd5 38.Rfe1 Combination; 37...Kd5 38.Rbd1 Double attack (38.Ba5 Zwischenzug)) 38.Rfe1 (38.Bf3 Ra4 39.Bc3 Ke6 40.Rb6 Kf7 41.Rd1 Rd4 42.Rb7 Rd7 43.Rdd7 Ke8 44.Rh7 g5 45.Rh8) 38...Kf6 39.Ba5 Kg5 40.Bc3 h5 (40...Kh5 41.Bf3 Kh6 42.Re7 f4 43.Bg7 Kg5 44.Rb5) 41.Re3 (41.h4 Kh6 42.Re8 g5 43.Rb6 Kh7 44.Re7) 41...Kg4 (41...Kh6 42.h4 f4 43.Re8 g5 44.Rb6 Kh7 45.Be4) 42.h3! Kh3 (42...Kh3 43.Rb4 Mate attack) 43.Bg2 (43.Rb4 h4 44.gh4) 43...Kg4 44.Bf6 g5 Black prepares the advance h4 (44...h4 45.Rb4 f4 46.Rf4 Kh5 47.Rh4) 45.Rd3 (45.Kh2 h4 46.Bf3) 45...h4 46.Rb4 (46.Bf3 Kh3 47.Be2 hg3 48.Rg3 Kh4 49.Bg5) 46...Kh5 47.Bg5! Kg6 (47...Kg5 48.f4 Mate attack) 48.gh4 (48.Rd6 Kg5 49.gh4 Kh5 50.Bf3) 48...Kh5 (48...Kg7 49.Rd7 Kg6 50.Rb6 Kh5 51.Bf3) 49.Bf3 (49.Rd6 f4 50.Bf3) 49...Kg6 50.Rb6 (50.Rb6 Kg7 51.Rd7 Kg8 52.Rb8; 50.Rd6 Kg7 51.Rb7 Kg8 52.Rd8) 1-0. ClayPigeons (2085) - Abracadabra00000 (2210), Rated Bullet game, lichess.org, 2020.

6.d4 Nh5 7.Nf3 c5 8.Qb3 (8.Bd3 cd4 9.Nd4 Nd7=) 8...cd4 9.ed4 Nf4 10.Be2? (10.Nbd2 a6=) 10...Ne2 (better 10...Ng2!? 11.Kd1 Nf4-/+) 11.Ke2=+ Nd7 12.Re1 Nf6 13.Kf1 Bg4 14.Nbd2 Bf3 (14...Rc8 15.Kg1=) 15.Nf3 Nh5 (15...d5 16.c5=) 16.g3 (16.Kg1 e6+=) 16...Rc8 17.Kg2 Qd7 18.Rac1 Nf4?? (better 18...Rc7=) 19.gf4+- Qg4 20.Kf1 (better 20.Kh1 Rc7 21.Qe3+-) 20...a5? (20...Rc7 21.Qd3+-) 21.Ng1 (better 21.Re7!? b6+-) 21...a4 (21...Qf4 22.Qf3 Qd2 23.Qe2+-) 22.Qg3 Qd7 23.Qd3 h5 (23...d5 24.c5+-) 24.Nf3 (better 24.f5 gf5 25.Qa3+-) 24...Qg4 (24...Rfe8+-) 25.Ng1 (better 25.Re7!? d5 26.cd5 Rc1 27.Bc1 Bf6+-) 25...Qf4?? (25...Qd7 26.f5 gf5+-) 26.Rcd1 (26.Re7!? b6+-) 26...e5 (26...e6 27.Nf3+-) 27.de5 de5 28.Rc1 (28.Nf3 Qc4 29.Qc4 Rc4 30.Be5 Rc2+-) 28...e4 (28...Rfd8 29.Qf3 Rc4 30.Qf4 Rf4 (30...ef4?? 31.Rc4 Bb2 32.Re7+-) 31.Be5 Rb4+/-) 29.Qe3?? (better 29.Re4 Qh2 30.Bg7 Kg7 31.Qd4 Kg8 32.c5+-) 29...Qe3=+ 30.fe3 (better 30.Re3!? Bb2 31.Rc2=+) 30...Bb2-+ 31.Rc2 a3 32.Ke2 (32.Rd1 Rc7 33.c5 Rfc8-/+) 32...f5 (32...Rc5!? 33.Rd1-+) 33.Nh3 Kg7 (33...Be5 34.Nf4 Kf7 35.Rg1-+) 34.Rg1 (34.Rd1 Be5 35.Nf4 Rf7-/+) 34...Kf6 (34...Kh6 35.Nf4 g5 36.Ne6-+) 35.Nf4-/+ Rg8 36.Nd5 Ke5?? (better 36...Kf7-/+) 37.Ne7+= Rce8 38.Ng8 Rg8 39.Rd2 (39.h4 Kf6+/-) 39...g5 (39...Ke6 40.c5 Be5 41.h4+=) 40.Rd5 (40.Rd7!? g4 41.Rf1+/-) 40...Ke6= 41.c5?? (41.Rgd1 Be5=) 41...Be5 (better 41...Kd5 42.Rf1 Rf8-+) 42.Rd2= g4 43.Rc2 White plans c6 (better 43.Rh1=) 43...Bh2-/+ 44.Rg2 (44.Rh1!? g3 45.Kf1-/+) 44...Be5-+ 45.c6 bc6 (45...Rc8 46.Kf1 bc6 47.Rc6 Rc6 48.bc6-+) 46.bc6 (better 46.Rc6!? Bd6 47.Rg1-/+) 46...Bc7 47.Kf2?? (47.Rg1-+) 47...h4 Black prepares the advance g3 48.Rg1 h3 (better 48...g3 49.Kg2 h3 50.Kh1 g2 51.Rcg2 Rg2 52.Rg2 hg2 53.Kg2 Bb6-+) 49.Rd1 (49.Rh1-+) 49...g3 50.Kg1 g2 51.Rd7 f4 (51...h2 52.Kf2 g1Q 53.Ke2 Rg2) 52.Rc7 (52.Rc1 f3 53.Rc7-+) 52…f3 (52...f3 53.Rh7 Rd8+-; 52...h2 53.Kh2 g1Q 54.Kh3 Qg3) 0-1. ClayPigeons (2180) - Orxan_Hasanov (2260), Rated Bullet game, lichess.org, 2021.

6.Nf3 Bg4 7.Be2 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7 8.b5).

5.d4 0-0

6.c4 c6 7.a4 cb5 8.ab5 b6 9.Nc3 Bb7 10.Nf3 Nbd7 11.Be2 e5 12.0-0 ed4 13.ed4 d5 14.Re1 dc4 (14...Qc7 15.Ra4+=) 15.Bc4+/- Re8? (15...Qc8 16.Ra4 a6 17.ba6 Ba6 18.Nb5+/-) 16.Re8 (16.Ng5 Re1 17.Qe1 Qc8 18.Bf7 Kh8+-) 16...Qe8? (16...Ne8 17.Qe2+=) 17.Ba3?? (better 17.Ng5 Qb8 18.Nf7+-) 17...Rc8+= 18.Qd3 Qd8 (better 18...Bf3!? 19.gf3 Ra8+=) 19.Ng5+/- Rc4? (19...Ng4 20.Nf7 Qh4 21.Nd6 Kh8+/-) 20.Qc4+- Qe8 21.Kf1 (21.Bb4!? h6 22.Nf7 Qf7 23.Qf7 Kf7 24.Ra7 Bc8+-) 21...h6 22.Re1 (22.Re1 Bg2 23.Kg2 Qe1 24.Qf7 Kh8 25.Ne6+-) 1-0. ClayPigeons (2165) - Denis_88 (2220), Rated Bullet game, lichess.org, 2020.

6.Be2 a6 7.Bf3 ab5-/+ 8.Qe2 c6 9.Qd1 Nbd7 10.Nd2 e5 11.Ne2 Re8 12.de5 de5 13.e4 Nb6 14.a3 Na4 15.Bc1 g5 16.h3 0-1. PEREIRA – Zombalfud, internet, 2022.

5.Nf3 0-0

6.a4 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 cb5 11.cb5 Qb6 12.0-0 Nbd7 13.d4 Nd5 14.Nbd2 N7f6 15.Qb3 Be6 16.Rc1 Nf4+= 17.Qd1 Ne2 18.Qe2 Ra8 19.e4 Ra2 20.Qd3 Qa5 21.Bc3 Qa3 22.d5?? Qc1–+ 23.Nf1 Bg4 24.h3 Bf3 25.gf3 Qc2 26.Qc4 Qf2 27.Kh1 Qg2# 0–1. fagus54 (1610) – polynesia46 (1715), kurnik, 2011.

6.d4 e5 7.de5 Ne4 8.Bd3 Nc5 9.0-0 Bg4 10.Be2 Na4 11.Bd4+/– c5 12.Bc3 Nc3 13.Nc3 Nd7 14.Qd6 Bf3+= 15.Bf3 Be5 16.Qd2 Qh4 17.g3?? Qf6=+ 18.Qd7 Bc3–+ 19.Rad1 Qf3 20.Qb7?? Qb7 0–1. popovicigelu – taopao (1625), kurnik, 2012.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 cb5 11.cb5 Bg4 12.Nc3 Nbd7 13.0-0 b6 14.h3 Bf3 15.Bf3 Qc7 16.Bc6 Ne5= 17.Bb2 Nc6=+ 18.bc6 Qc6 19.Qb3 Rb8 20.Ra1 b5 21.Nb5?? Rb5–+ 22.Qa4 Qb6 23.Bc3 Rb1 24.Rb1 Qb1 25.Kh2 Qb8 26.Qc6 Qe8 27.Qc7 Nd5 28.Ba5 Be5 (28...Be5 29.f4 Nc7 30.fe5 Nd5–+) 0–1. renatus62 – fagus54, kurnik, 2012.

6.Be2 e5 7.0-0 c5 8.c4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 h6 12.d4 cd4 13.ed4 e4 14.Nfd2 Re8 15.Nc3 Qb6 16.Na4 Qa5 17.Bc3 Qa8 18.Qc2 Nbd7 19.Ra1 Qb8 20.c5 dc5 21.Nc5 Nc5 22.dc5 e3 23.fe3 Re3 24.Nc4?? Rc3! 25.Qc3 Ng4 26.Qg3 Qg3 27.hg3 Ba1 28.Bg4 Bg4 29.Nd6 Bd4 30.Kh2 Bc5 31.Nb7 Bb6 32.Nd6 Bd7 33.Nc4 Bd4 34.Nd6 Kf8 35.g4 Ke7 36.b6 Bb6 37.Nc4 Bc7 38.Kg1 Bg4 39.Kf2 h5 0–1. popovicigelu – taopao, kurnik, 2012.

5.Nf3 c5

6.c4 0-0 7.e4 Nbd7 (7...Ne4 8.Bg7 Kg7-/+) 8.Ke2? (8.Qc2!?=) 8...a6 (8...Ne4 9.Bg7 Kg7 10.Qc2–+) 9.a4 (9.Qc2 ab5 10.cb5 Nb6-/+) 9...ab5 (9...Ne4 10.Bg7 Kg7 11.Qc2–+) 10.ab5-/+ Ra1 (10...Ne4? 11.Bg7 Ra1 12.Ba1+-) 11.Ba1 Nb6 (11...Ne4 12.Bg7 Kg7 13.Ke1–+) 12.Qb3 (12.Qc2!?-/+) 12...Be6 (better 12...Ne4 13.Bg7 Kg7–+) 13.d4?? (13.Ke1-/+) 13...h5 (13...Bc4 14.Qc4 Nc4 15.dc5 Ne4 16.Bg7 Kg7 17.Nbd2 Ned2 18.Nd2 Nd2 19.Kd2 dc5 20.Kc2–+) 14.Qa2?? (14.d5 Bd7-/+) 14...Qb8 (14...Bc4!? 15.Qc4 Nc4 16.dc5 Ne4 17.Bg7 Kg7 18.Nbd2 Ned2 19.Nd2 Nd2 20.Kd2 Qa5 21.Kc2–+) 15.Bc3?? (better 15.d5 Bd7 16.Nbd2=+) 15...Na8 (better 15...Bc4 16.Qc4 Nc4–+) 16.Qa3? (16.Qa3 Bc4 17.Ke1 Bf1 18.Rf1 Ne4 19.dc5 Nc3 20.Nc3–+; better 16.d5 Bd7 17.Nbd2=) 1–0. onur604 (2320) – frw1980 (2170), lichess.org, 2020.

6.c4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3 Qc7 11.Bd3 0-0 12.0-0 e5 (12...Nbd7 13.Qb3=) 13.Bb2 e4 (13...Qe7 14.e4=) 14.Bf6+- ef3 (14...Bf6 15.Be4 Be6 16.Qb3+=) 15.Qf3 b6 (15...Nd7!? 16.Bg7 Kg7+-) 16.Bg7 (16.Nc3 Be6+-) 16...Kg7 17.Nc3 Be6 (17...Nd7 18.Qg3+-) 18.Nd5 (18.Qg3 f5+-) 18...Bd5+- 19.Qd5 Nd7 20.Ra1 (20.g4 Nf6 21.Qg2 h6+-) 20...Nf6+- 21.Qf3 Rd8 22.e4 Re8 23.Bc2 Qe7 24.h3 (24.Qc3!?+-) 24...Qe5 (24...Ne4? 25.Re1 f5 26.d3+-) 25.Ra6 Qb2 (25...Ne4 26.Be4 Qe4 27.Qc3 Kh6 28.Rb6 Qe1 29.Kh2 Re6+-) 26.Qd1 (better 26.Bd3!?+-) 26...Ne4= 27.Rb6 Nf2 28.Kf2 Qd4 29.Kg3 Qe5 30.Kf2 Qd4 31.Kg3 Qe5 32.Kf2 Qd4 33.Kg3 Qe5 34.Kf2 Qd4 35.Kg3 Qe5 ½–½. DEFFM – GuestPZWW, freechess.org, 2019.

6.c4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Be2 0-0 11.0-0 b6 12.Qc2 Bb7 13.d3 Qa8 14.Nbd2 e5 15.Bb2 Qb8 16.Ra1 Qc7 17.e4 (17.Ng5 Ra8+=) 17...Ra8= 18.Ra8 Ba8 19.Nf1 Qa7 20.Ne3 Nf8 21.Ng5 h6 22.Nf3 Ne6 23.Bd1 Qa2 24.g3 h5 25.Nd5 Bd5 (25...Nd5 26.ed5 Nd4 27.Nd4 cd4 28.Qc1=) 26.ed5+= Nd4 27.Nd4 ed4 28.Kg2 (28.Bc1 Qc2 29.Bc2 Ng4+=) 28...Bh6 29.f4 g5 30.fg5 (30.Bc1 Qc2 31.Bc2 gf4 32.gf4 Ng4=) 30...Bg5= 31.h3 Be3 32.Bf3 Qa7 33.Kh2 Qe7 34.Kg2 Kg7 35.Qe2 Kg6 36.Qe1 Qe5 37.Be2 Qg5 38.Kh2 Kh7 39.Bf3 h4 40.g4 Qf4 41.Kg2 Bd2 (better 41...Qg5=) 42.Qh4+- Kg7 43.Qf2 (43.Qg3 Qg3 44.Kg3 Nd7+-) 43...Be3 (43...Bc3 44.Ba3+-) 44.Qg3 Qg3 45.Kg3 Nd7 46.h4 Ne5 47.Be4 Bd2 48.Kh3 Ng6 49.Ba3 Nf4 50.Kg3 Ne2 51.Kf3 Nc3 52.Bf5 Kf6?? (52...Na2 53.Ke2 Bb4 54.Bb4 cb4 55.Ke1+-) 53.Bc8 (better 53.Bc5 Nb5 54.Bb6+-) 53...Nb1 54.Bb2 (54.g5 Kg7 55.Bb2 f6 56.gf6 Kf6+-) 54...Nc3 55.h5 (55.Bd7 Be1 56.h5 Bd2+-) 55...Nd1 (55...Kg5+-) 56.Bd4 cd4 57.Ke2 Bg5 58.Kd1 Ke5 59.Ke2 Kf4 (59...f6 60.Bf5+=) 60.Bf5 (better 60.c5 dc5 61.d6+-) 60...Bh6?? (better 60...Ke5+=) 61.c5!+- dc5 (61...bc5 62.b6 Passed pawn; 61...dc5 62.d6 Passed pawn) 62.d6 Bg5 63.d7 Bd8 64.h6 Kg5 65.h7 (65.h7 Kf6 66.h8Q Ke7 67.Qe8 Kd6 68.Qd8 c4 69.Qb6 Ke5 70.Qb8 Kd5 71.d8Q Kc5 72.Qdd6) 1–0. DEFFM – jangazy, freechess.org, 2019.

5.Nf3 Nbd7

6.d4 e5 7.Be2 0-0 8.0-0 Re8 9.c4 e4 10.Nfd2 c6 11.a4 d5 12.Qb3 h5 13.Nc3 Nf8 14.a5 a6 15.ba6 ba6 16.Qb6 Qd7 17.Na4 Ne6 18.Rfc1 Bb7 19.cd5 cd5 20.Nb3 Bf8 (20...Reb8 21.Nbc5 Qe7 22.Ne6+/-) 21.Nac5 (21.Nbc5 Nc5 22.Nc5 Bc5 23.dc5 Re6+-) 21...Nc5 (21...Reb8 22.Rab1+/-) 22.dc5 (22.Rc5?! A) worse 22...Bc5 23.Nc5 (23.dc5?! Bc6=) 23...Qc6 24.Nb7 (24.Qb7?! Qb7 25.Nb7 Reb8=) 24...Qb6 25.ab6+/-; B) 22...Re6 23.Qb4 Rc6=+ (worse 23...Bc5 24.Nc5 Qe7 25.Ba3+=)) 22...Re6? (better 22...Bc6 23.Bf6 Reb8+/-) 23.c6!+- (23.Bf6 Rb6 24.ab6 d4 25.Bd4 Qd5+-) 23...Bc6 (23...Bc6 24.Nd4 Double attack (24.Ba6 Deflection; 24.Nd4 Decoy); 23...Rc6 24.Bf6 Zwischenzug) 24.Nd4 (24.Ba6? Ba4 25.Nc5 Bc5 (25...Rb6?! 26.Nd7 Nd7 27.ab6 Ra6 28.Bd4+=) 26.Qc5 Rea6 27.Bf6 Rf6-+) 24...Rc8 (24...Rd6 25.Rc6 Ng4 26.Ba6 Rc6 27.Nc6 Qf5+-) 25.Ne6 (25.Nc6 Rec6 26.Rc6 Rc6=+) 25...Qe6 (25...fe6 26.Ba6 Rc7 27.Bf6+-) 26.Ba6 Nd7 (26...Bb7 27.Rc8 Bc8 28.Bc8 Qb6 29.ab6+-) 27.Qd4 (27.Qd4 Qe5 28.Bc8+-) 1-0. onur604 (2320) - Damenkiller (2395), Casual Rapid game, lichess.org, 2021.

6.Be2 0-0 7.0-0 e5 8.d4 e4 9.Nfd2 Re8 10.c4 Nf8 11.Nc3 h5 12.Qb3 Bf5 13.a4 N8h7 14.a5 Ng4 15.a6 b6 16.Nd5 Qh4? (better 16...Ngf6+-) 17.h3+- Ng5 18.hg4 hg4 19.g3 (19.Nc7 Nf3 20.Nf3 ef3–+) 19...Qh6 20.Rfd1?? (better 20.c5+-) 20...Nf3+- 21.Nf3 (better 21.Bf3 gf3 22.c5–+ (22.Nc7?? Qh3 23.Nf3 ef3 24.Ne8 Qg2)) 21...gf3=+ 22.Bf1 Kh7 23.Rd2?? (23.c5 Be6 24.cd6–+) 23...Rh8 24.Ne7 Bf6 25.Nf5 (25.Rd3 Kg7 26.Nf5 gf5 27.Bg2 Qh2 28.Kf1 Qh1 29.Bh1 Rh1) 25...gf5 26.c5 (26.Bg2 Kg6 27.Qd3 Qh2 28.Kf1 Qh1 29.Bh1 Rh1) 26…Kg6 (26...Kg6 27.Qf7 Kf7 28.Bg2 Qh2 29.Kf1 Qg2 30.Ke1 Rh1; 26...Kg7 27.Bh3 Qh3 28.Qf7 Kf7 29.cb6 Qg2) 0–1. DEFFM – DavidMorphy, freechess.org, 2019.

5.Nf3 e5

6.Bc4 0-0 7.0-0 Bg4 8.h3 Bf3 9.Qf3 e4 10.Qe2 d5 11.Bb3 Nbd7 12.d4 ed3 13.cd3 Nc5 14.Rc1 Nb3 15.ab3 Re8 16.Qc2 Rc8? (better 16...Re7=) 17.Ra7+- c6 18.Rb7 cb5 (18...c5 19.Nd2+-) 19.Qc8 Qc8 20.Rc8 Rc8 21.Nc3 Nh5?! (21...h6+-) 22.Nd5 Rd8 23.Ne7 Kf8 24.Nc6 Rc8 (24...Ra8 25.Ba3 Kg8+-) 25.Ba3 (25.Ba3 Ke8 26.Re7 Kf8 27.Re4 Kg8 28.Ne7 Kh8 29.Nc8+-) 1–0. onur604 (2320) – Mohamed1985 (2065), lichess.org, 2020.

6.d4 e4 7.Nfd2 0-0 8.c4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c5 (11...Bf5 12.Be2=) 12.Be2 b6 13.0-0 h5 (13...Re8 14.d5+=) 14.dc5+/- dc5 15.Bf6 Qf6 16.Ne4 Qe5 17.Nbd2 (17.Bf3 Bf5 18.Nec3 Nd7+/-) 17...Rd8 18.Qc1 Bb7 19.Rd1 Be4 20.Ne4 Rd1 21.Qd1 Qe4 22.Qd8 Kh7 23.Qb8 Qe6 24.Qb7 Be5 25.g3 Qf6 26.Bf3 Kg7 27.Bd5 h4 28.gh4 Bh2 (28...Bc3!? 29.Qd7+-) 29.Kh2 Qf2 30.Kh3 Qe3 31.Kg4?? (better 31.Bf3+-) 31...Qd4 32.Kg5 Qe5 33.Kg4 Qf5?? (33...Qd4 34.Kf3 Qd3 35.Kf2 Qd2 36.Kg3 Qe1 37.Kf3 Qd1 38.Ke3 Qe1 39.Kd3 Qd1 40.Kc3 Qc1 41.Kb3 Qb1 42.Ka3 Qa1 43.Kb3 Qb1 44.Kc3 Qc1 45.Kd3 Qd1 46.Ke4 Qd4 47.Kf3 Qd3 48.Kg2 Qe2 49.Kg1 Qe1 50.Kh2 Qe5 51.Kh1 Qe1 52.Kg2 Qe2 53.Kg3 Qe1 54.Kg4 Qe2 55.Kf4 Qf1 56.Ke4 Qe2 57.Kf4 Qf1 58.Ke5 Qf6 59.Ke4 Qd4 60.Kf3=) 34.Kg3 Qe5 35.Kf3 Qh5 (35...Qc3!? 36.Ke2 Qc2 37.Ke3 Qc3 38.Kf2 Qd2 39.Kg3 Qe1 40.Kg4 Qe2 41.Kf4 Qd2 42.Ke5 Qh2 43.Ke4 Qe2 44.Kf4 Qd2 45.Ke4 Qd4 46.Kf3 Qc3 47.Kg2 Qd2 48.Kg1 Qe1 49.Kh2 Qe5 50.Kg2 Qe2 51.Kh1 Qe1 52.Kg2 Qd2 53.Kf1 Qd1 54.Kf2 Qd2 55.Kf3 Qd3 56.Kf4 Qd2=) 36.Ke3+= Qe5 37.Kd3 Qg3 (37...Qd4 38.Kc2 Qf2 39.Kb3 Qe3 40.Ka4=) 38.Kc2 (better 38.Bf3!? Qh4 39.Qd5+/-) 38...Qf2= 39.Kd3 Qg3 40.Ke2 (40.Bf3 Qh4 41.Qd7 Qf4+/-) 40...Qe5 (40...Qg4 41.Ke3 Qg1 42.Kf3 Qd1 43.Kf2 Qd2 44.Kg3 Qe1 45.Kg4 Qe2 46.Kf4 Qf1 47.Ke5 Qf6 48.Ke4 Qd4 49.Kf3 Qd1 50.Kg2 Qe2 51.Kg1 Qe1 52.Kh2 Qe5 53.Kh1 Qe1 54.Kg2 Qe2 55.Kg3 Qe5 56.Kf2 Qb2 57.Kf1 Qc1 58.Ke2 Qc2 59.Ke3 Qc3 60.Kf4 Qf6 61.Ke4 Qd4 62.Kf3 Qd3 63.Kf4 Qf5 64.Ke3 Qe5 65.Be4 Qd4 66.Kf4 Qc4 67.Qb6 Qc1 68.Ke5 Qc3 69.Kd6 Qf6 70.Kc5 Qf2 71.Kc6 Qf6 72.Kb7 Qe7 73.Ka6 Qe4+=) 41.Kd1 Qd4 42.Kc2 (42.Ke1 Qc3 43.Kf2 Qd4 44.Kf3 Qd3 45.Kg2 Qe2 46.Kg1 Qe1 47.Kh2 Qe5 48.Kh1 Qe1 49.Kg2 Qe2 50.Kg3 Qe5 51.Kf3 Qh5 52.Kf2 Qh4 53.Ke2 Qg4 54.Ke3 Qg5 55.Kf3 Qh5 56.Kg3 Qg5 57.Kh2 Qf4 58.Kg2 Qg4 59.Kf1 Qf4 60.Ke1 Qe3 61.Kd1 Qd3 62.Kc1 Qc3 63.Kb1 Qb3 64.Ka1 Qa3 65.Kb1 Qb3 66.Kc1 Qc3 67.Kd1 Qd3 68.Ke1 Qe3 69.Kf1 Qf4 70.Kg1 Qd4 71.Kh1 Qh4 72.Kg2 Qg4 73.Kf2 Qh4 74.Ke3 Qg5 75.Kd3 Qf5 76.Kc3 Qe5 77.Kb3 Qe3 78.Ka4=) 42...Qf2= 43.Kb3 Qf6? (better 43...Qe3 44.Ka4 Qf2=) 44.Qb8 Qh4 (44...Qf5 45.Qh2+-) 45.Qb6 Qg3 46.Kc2 Qf2 47.Kc3 (47.Kd3 Qf1 48.Ke3 Qe1 49.Kf3 Qf1 50.Kg3 Qg1 51.Kh3 Qf1 52.Kg4 Qg1 53.Kf4 Qf2 54.Bf3 Qh4 55.Ke3 Qd4 56.Ke2 Qc4 57.Kf2 Qd4 58.Kf1 Qd3 59.Kg2 Qd2 60.Kh3 Qh6 61.Kg3 Qg5 62.Kf2 Qd2 63.Be2 Qf4 64.Kg2=) 47...Qd4 48.Kc2 Qf2 49.Kb3 (better 49.Kd3 Qf1 50.Ke3 Qe1 51.Kf3 Qf1 52.Kg3 Qg1 53.Kh4+-) 49...Qe3 50.Ka4 Qd4?? (better 50...Qf2 51.Ka3 Qe3 52.Kb2 Qf2 53.Kb1 Qe1 54.Ka2 Qf2 55.Ka1 Qe1 56.Kb2 Qd2 57.Kb3 Qe3 58.Kc2 Qf2=) 51.Qd6+- Qd1 (51...Qa1 52.Kb3 Qd1 53.Kc3 Qe1 54.Kd3 Qd1 55.Ke3 Qe1 56.Kf3 Qf1 57.Kg3 Qe1 58.Kh3 Qf1 59.Kh4 Qf2 60.Qg3 Qf6 61.Kh3 Qf1 62.Kh2 Qe2 63.Kg1 Qd1 64.Kg2 Qd2 65.Kh3 Qh6 66.Kg4 Qh5 67.Kf4 Qf5 68.Ke3 Qf6+-) 52.Ka5 Qd4 (52...Qe1 53.Ka6 Qa1 54.Kb6+-) 53.b6 g5 (53...Qc3 54.Kb5 Qb4 55.Kc6 Qa4 56.Kc7 Qa5+-) 54.b7 Qa1 55.Kb6 Qb2 56.Kc6 g4 57.b8Q (57.b8Q Qb8 58.Qb8 g3 59.Qe5 Kg6 60.Be4 f5 61.Qf5 Kg7 62.Qg6 Kf8 63.Bd5 Ke7 64.Qe6 Kd8 65.Qd7) 1-0. onur604 (2320) - sthene (2110), Casual Rapid game, lichess.org, 2021.

6.Be2 Nbd7 7.d4 Ng4 8.h3 White gets the initiative 8...Nh6 9.de5 (9.0-0 g5+=) 9...Ne5 (9...0-0 10.Qd5=) 10.Ne5+= Be5 11.Be5 de5 12.Qd8 Kd8 13.Nc3 Be6 14.0-0-0 Ke7 (14...Kc8 15.Rd2+=) 15.Bf3 c6 (15...Rhb8 16.Nd5 Bd5 17.Rd5+-) 16.bc6 bc6 17.Bc6 Rac8 18.Nd5 Kd6 (18...Kf8 19.Bb7 Rc5 20.a3+-) 19.Bb7 Rb8 20.Nf4 Ke7 21.Ne6 Rb7 22.Nc5 Rc7 23.Na6 Rc6 (23...Rc4 24.a3+-) 24.Nb4 Rc5 25.Rd2 Rhc8 (25...Rd8 26.Rd8 Kd8 27.Rd1 Kc8 28.Rd5 Rd5 29.Nd5+-) 26.Rhd1+- a5 (26...Ke6 27.Rd6 Kf5 28.R1d2+-) 27.Nd5 Ke6 28.Nb6 R8c6 (28...R8c7 29.Nd7 Rc4 30.Nf8 Ke7 31.Nh7+-) 29.Nd7 Rc4 30.Nf8 Kf6 31.Nh7 Kg7 32.Ng5 Nf5 33.a3 (33.Nf3 Kf6+-) 33...a4 (33...e4 34.g4 Nh4+-) 34.Nf3 f6 35.Rd7 Kh6 36.Ne1 Rc3 37.Kb2 R3c4 38.g4 Ra6?? (38...Nh4 39.Rd8 g5 40.R1d6+-) 39.Kc1 (39.gf5 Rb6 40.Kc1 gf5+-) 39...Ng3?? (39...Nh4+-) 40.Ra7 (better 40.fg3 Rc3 41.Nf3+-) 40...Kg5?? (40...Ra7 41.fg3 Rac7=+) 41.Ng2 (better 41.Ra6 Ne2 42.Kb2+-) 41...Kh6?? (better 41...Ne2 42.Kd2 Ra7 43.Ke2 Rc2 44.Kf3 Rc3–+) 42.Rdd7 (42.Rdd7 Ra7 43.Ra7+-; better 42.Ra6 Ne2 43.Kb2+-) 1–0. onur604 (2320) – Mohamed1985 (2060), lichess.org, 2020.

6.Bc4 e4 7.Nd4=.

5.f4 0-0

6.Nf3 a6 7.c4 ab5 8.cb5 c6 9.a4 Bd7 10.Nc3 cb5 11.ab5 Ra1 12.Qa1 Bg4 13.h3 Bf3 14.gf3 Nbd7 15.Bd3 Nc5 16.Bc2 Nh5 17.Kf2 e5 18.fe5 Qh4 19.Kg1 Qg3 20.Kf1 Qf3 21.Kg1 Be5 22.Bd1 Qg3 23.Kf1 Nd3 24.Ne4 Qh4 25.Be5 Qe4 26.Kg1 de5 27.Bh5 gh5 0–1. jura1946 – educ4, kurnik, 2012.

6.Nf3 c6 7.a4 a6 8.c4 ab5 9.cb5 cb5 10.ab5 Ra1 11.Ba1 Nbd7 12.Bc4 d5 13.Bb3 Nc5 14.Bc2 Qa5 15.Nc3 Nfe4 16.Nd4 Bf5 17.Nf5 Nc3 18.Bc3 Bc3 19.Ne7 Kg7 20.Nd5 Bd2 21.Qd2 Qd2 22.Kd2 Rd8 23.e4 f5 24.Ke3 Ne4 25.Be4 fe4 26.Ke4 Re8 27.Kf3 Rd8 28.Rd1 Kf7 29.g4 Ra8 30.Rd3 Ra5 31.Rb3 Ra2 32.h3 Ra1 33.Rc3 Rf1 34.Ke4 Re1 35.Re3 Rb1 36.b6 Ke6 37.Nc7 Kd6 38.Rd3 Kc6 39.Nd5 Re1 40.Kf3 Rf1 41.Kg3 Rg1 42.Kh4 h6 43.g5 hg5 44.fg5 Re1 45.Rd4 Re5 46.Kg4 Rd5 47.Rd5 Kd5 48.h4 Ke6 49.h5 gh5 50.Kh5 Kf7 51.Kh6 Kg8 52.g6 Kh8 53.Kg5 Kg7 54.Kf5 Kg8 55.Kf6 Kf8 56.Ke6 Kg7 57.Kd6 Kg6 58.Kc7 Kf7 59.Kb7 Ke8 60.Kc8 1–0. jura1946 – samuel912, kurnik, 2012.

6.Nf3 c6 7.a4 cb5 8.ab5 Nbd7 9.c4 Nc5 10.d4 Ncd7 11.Bd3 Ng4 12.Qe2 e6 13.h3 Ngf6 14.g4 a6 15.Nbd2 Nb6 16.0-0 Bd7 17.c5 dc5 18.dc5 Nbd5 19.g5 Nh5 20.Bg7 Kg7 21.Ne4 Kg8 22.Kh2 Qc7 23.Ne5 Bb5 24.Bb5 ab5 25.Ra8 Ra8 26.Rb1 Nc3 27.Nc3 Qc5 28.Nb5 Ra5 29.Nd4 Nf4 30.Qd2 Qe5 31.ef4 Qd5 32.Rb2 Ra4 33.Ne2 Qf3 34.Qd8 Kg7 35.Qf6 Kg8 36.Rd2 Ra8 37.Ng3 Qe3 38.Rd8 Rd8 39.Qd8 Kg7 40.Qf6 Kg8 41.h4 b5 42.Qe5 Qf2 43.Kh3 1–0. jura1946 – tourdesl, kurnik, 2012.

6.Nf3 Ne4 7.d4 d5 8.Bd3 f5 9.0-0 e6 10.Nbd2 Nd7 11.Ng5 Ndf6 12.c4 c6 13.a4 Nd2 14.Qd2 Ne4 15.Ne4 fe4 16.Be2 Qh4 17.Ba3 Rf7 18.Bd6 Bf6 19.g3 Qh3 20.Rf2 Bd7 21.c5 Be7 22.Bf1 Qh6 23.Be5 Rf5 24.b6 a6 25.Rg2 Raf8 26.g4 R5f7 27.Qf2 g5 28.Qd2 Bf6 29.Bd6 Be7 30.Be5 Qh4 31.Ra2 h5 32.gh5 g4 33.Be2 Rh7 34.Rg4 Qg4 35.Bg4 Rf5 36.Bf5 ef5 37.Qg2 Kf7 38.Qg6 1–0. jura1946 – jescu195o, kurnik, 2012.

6.Nf3 Bg4 7.Bd3 Nd5 8.Bg7 Kg7 9.c4 Nb6 10.0-0 e5 11.fe5 de5 12.Qb3 Qe7 13.Nc3 f5 14.Be2 Bf3 15.Bf3 e4 16.Be2 N8d7 17.Qb2 Kg8 18.a4 Nc5 19.a5 Nbd7 20.Nd5 Qd6 21.d4 Nd3 22.Bd3 ed3 23.Qc3 c6 24.bc6 bc6 25.Nf4 Nf6 26.Qd3 Rae8 27.Qb3 Kh8 28.a6 Ng4 29.Rf3 c5 30.d5 Re4 31.Qc3 Kg8 32.h3 Ne5 33.Rg3 Rc4 34.Qb2 Rb4 35.Qe2 c4 36.Rd1 c3 37.Ne6 Rc8 0–1. jura1946 – tbohdan, kurnik, 2012.

5.f4 b6

6.Qf3 d5 7.c4 Bb7 8.Nc3 e6 9.g4 h6 10.h4 Nbd7 11.g5 hg5 12.fg5 Nh5 13.0-0-0 0-0 14.Bg2 Rb8 15.Qf2 dc4 16.Bb7 Rb7 17.Nge2 Rb8 18.Ne4 Qe7 19.Nd4 Rbc8 20.Nc6 Bb2 21.Kb2 Qe8 22.Na7 Ra8 23.Nc6 Nc5 24.Nf6 Nf6 25.gf6 Qd7 26.Qg2 Qd3 27.Ne7 Kh7 28.Ra1 Ra3 29.h5 c3 30.Kc1 cd2 31.Kd1 1–0. jura1946 – anagnosk, kurnik, 2012.

6.Nf3 a5 7.a4 Bb7 8.c4 Nbd7 9.d4 0-0 10.Bd3 Re8 11.0-0 Ng4 12.Qd2 e5 13.d5 ef4 14.Bg7 Kg7 15.e4 Nc5 16.Bc2 Ne5 17.Qf4 Qf6 18.Qf6 Kf6 19.Ne5 Ke5 20.Rf7 Ne4 21.Be4 Ke4 22.Nd2 Kd4 23.Rc7 Bc8 24.Nf3 Kc3 25.Rc1 Kb4 26.Nd4 Ka4 27.Ra1 Kb4 28.Nc6 Kc4 29.Rh7 Kb5 30.Rg7 Kc5 31.Rd1 Bf5 32.Ne7 Rf8 33.Nf5 gf5 34.Rg6 a4 35.Rc1 Kd5 36.Rd1 Ke5 37.Rgd6 1–0. jura1946 – anagnosk, kurnik, 2012.

6.Nf3 a5 7.a4 Nbd7 8.Bc4 Nc5 9.d4 Be6 10.Be6 Ne6 11.0-0 0-0 12.Nbd2 Qd7 13.c4 Nd8 14.h3 h5 15.Ng5 Ne6 16.h4 Ng5 17.hg5 Ng4 18.Qf3 e5 19.Rad1 ed4 20.ed4 Rae8 21.Ne4 f5 22.gf6 Nf6 23.Ng5 Ng4 24.Rfe1 Re1 25.Re1 Qf5 26.Ne6 Rf7 27.Ng7 Kg7 28.d5 Kh7 29.g3 g5 30.Re8 Rf8 31.Re7 Rf7 32.Rf7 Qf7 33.Qc3 Kg6 34.Qd3 Qf5 35.Qe2 gf4 36.Qe8 Qf7 37.Qf7 Kf7 38.gf4 Ne3 39.Kh2 Kg6 40.Kg3 Nc4 0–1. jura1946 – anagnosk, kurnik, 2012.

4.b5 e6

5.c4 d6 6.Nf3 b6 7.Be2 Bb7 8.0-0 Nbd7 9.d4 (9.Nc3 0-0+=) 9...Qe7 (9...a6 10.Nc3+=) 10.Nbd2 (10.Nc3+=) 10...d5 (10...0-0!?=) 11.Qb3 (11.cd5 Nd5 12.Rc1 Qd8+/–) 11...dc4 (11...a6 12.Rfc1+/–) 12.Nc4 (12.Qc4 Nd5+/–) 12...Bd5 (12...a6 13.a4+/–) 13.Ba3 Bc4?? (better is 13...Qd8+/–) 14.Bc4+- (14.Be7?! Bb3 15.Bf6 Nf6 16.ab3 Nd5+=) 14...Qd8 (14...Nc5 15.dc5 bc5 16.Rac1+-) 15.Be6! (15.Be6 Qb8 16.Bd7 Nd7 17.Ng5+-) 1–0. Janek – Tyldum, internet, 2017.

5.d4 d6 6.Bd3 c6 7.a4 d5 8.Nf3 0-0 9.0-0 Nbd7 10.Nbd2 h6 11.c4 Nh7 12.Ba3 Re8 13.Bd6 Bf8 (13...c5 14.a5+=) 14.Bf4 (14.Bf8 Nhf8 15.Qc2 Qf6+/-) 14...Ndf6 (14...c5 15.Ne5+=) 15.Qc2 (15.bc6 bc6 16.c5 Bd7+-) 15...Nh5 (15...dc4 16.Nc4 cb5 17.ab5+/-) 16.Bg6 (16.Be5!?+-) 16...fg6+= 17.Qg6 Ng7 18.Be5 Ng5? (better 18...Bd7+=) 19.Bf6+- (19.Qh6?! Nf7 20.Qg6 Bd7+/-) 19...Nf3 20.Nf3 Qd7 (20...Re7 21.Qh6 e5 22.bc6 Qd6+-) 21.Ne5 Qc7 22.Ng4 Qf7 (22...e5 23.Nh6 Kh8 24.Qe8 Kh7 25.Qf8 Kh6 26.Be5 Qd7 27.cd5 Kh7+-) 23.Nh6 (23.Nh6 Kh8 24.Nf7 Kg8 25.Ng5 dc4 26.Qh7) 1-0. DEFFM – GuestXQKT, freechess.org, 2021.

5.Ne2 0-0 6.Ng3 d5 7.Ba3 (7.Qf3 a6=) 7...Re8=+ 8.d4 b6 9.c4 a6 10.Nc3? (better 10.Bb2=+) 10...ab5–+ 11.cb5? (better 11.Nb5 c6 12.Nd6 Ra3 13.Ne8 Ne8 14.Qd2–+) 11...c5 (better 11...Ra3 12.Rc1 Qe7–+) 12.Bb2=+ c4 (12...cd4 13.Qd4 e5 14.Qd3=+) 13.a4 Bb7 14.Qc2 Nbd7 15.Be2 e5 (15...h5 16.0-0=) 16.de5 Ne5 17.Rd1 (17.0-0 d4 18.ed4 Qd4=) 17...Nd3 (better 17...d4!? 18.ed4 Nd3 19.Kf1 Nd5 20.Nd5 Qd5-/+) 18.Bd3+= cd3 19.Rd3 d4 20.0-0 Nd7 (better 20...Nd5!? 21.Nd5 Qd5+=) 21.ed4+- f5 22.Qb3 Kh8 23.Nce2 Nf6 (23...Qh4 24.d5 Nc5 25.Bg7 Kg7 26.Qc3 Qf6+-) 24.Nf4 (better 24.d5+-) 24...Ne4?? Attacks the isolani on d4 (better 24...Nd5 25.Bc1 Nf4 26.Bf4 Bd5+=) 25.d5 (25.Nf5 Nf6 26.Qf7 gf5+-) 25...Nc5 26.Bg7 Kg7 27.Qb2 (better 27.Qc3 Kf7 28.Ne6+-) 27...Kh6?? (27...Kf7 28.Ne6 Qf6 29.Qf6 Kf6 30.Nc5 bc5 31.Ra1+-) 28.Rd4 (28.Nf5 Kg5 29.Nh3 Kh5 30.Qg7 Qe7 31.Ng3 Kg4 32.f3 Kh4 33.Qh6) 28...Na4?? (28...Qf6 29.Qc1 Nb3 30.Nfh5 Qg5+-) 29.Qd2 Nc5 (29...Qf6 30.d6 Re4 31.Ne4 Be4+-) 30.Ne6 (30.Ne6 g5 31.Nf5 Kg6 32.Nh4 Kh6 33.Nd8 Rad8 34.Nf3 Rd5 35.Rd5+-) 1–0. aravind555 – brianbrookey (1660), lichess.org, 2019.

5.Nf3 a6 6.a4 Qe7 7.d4 d5 8.Ba3 Qd7 9.Bd3 Ne4 10.0-0 h6 11.Ne5 Be5 (11...Qd8 12.Qf3 Be5 13.de5+=) 12.de5+- Ng5 13.Nd2 Qd8 (13...b6 14.f4 Nh7 15.c4+-) 14.h4 (14.c4 Rg8+-) 14...Nh7+- 15.Qg4 g5 16.f4 (better 16.h5+-) 16...gh4?? (better 16...Nf8+-) 17.Qg7+- Rf8 (17...Nf8 18.Qh8 Nbd7 19.f5+-) 18.Bh7 Nd7 19.Bg8 ab5 (19...Qe7 20.Be7 Ke7+-) 20.Bf8 Nf8 21.Qf7 1–0. GuestDTRL – GuestFVNC, freechess.org, 2020.

5.Nf3 b6 6.Be2 Bb7 7.c4 d5 8.0-0 0-0 9.d4 c6 10.a4 dc4 11.Bc4 cb5 12.ab5 Bf3 (better is 12...a5!?+=) 13.Qf3+/– (13.gf3?! Nd5+=) 13...Nbd7 14.Nd2 Qc7 15.Rfc1 Qd8 16.Bd3 Nd5 17.Bc4 (17.Ba3 Re8+-) 17...N7f6 (17...N5f6 18.Ra6 Re8+/–) 18.e4+/– Nc7 19.e5 Nfd5 20.Ba3 Re8 21.Ne4 Bf8 (21...Qd7 22.Qe2+/–) 22.Nd6+- Bd6? (better is 22...Re7+-) 23.ed6 (23.Bd6 Qd7 24.Qg4 Red8+/–) 23...Nb5 (23...Qd7 24.dc7 Nc7 25.Qf6+-) 24.Bb5 1–0. DEFFM – GuestSRHN, freechess.org, 2018.

5.Nf3 c5 6.d4 b6 7.Nbd2 Bb7 8.dc5 bc5 9.Nb3 d6 10.Be2 0-0 11.0-0 Nbd7 12.a4 (12.Qd6? Ne4 13.Qd3 Bb2–+) 12...a5 (12...Qc7 13.c4=) 13.Nfd2 (13.Qd6? Ne4 14.Qd3 Bb2–+) 13...Nd5 (13...Qc7 14.Rb1=) 14.Bg7+= Kg7 15.Ne4 Ne3 16.fe3 Be4 17.Qd6 Qg5 18.Bf3 Rfd8? (18...Qe3 19.Kh1 Bf3 20.Rf3+=) 19.Qf4 (better is 19.Be4 Qe3 20.Kh1 Qe4 21.Qe7+- (21.Nc5?! Nc5 22.Qc5 Rd7+=)) 19...Qf4= 20.ef4 Bf3 21.Rf3 (worse is 21.gf3 c4 22.Nd4 Nb6+=) 21...c4 22.Nd4 Nb6 23.Nc6 Rd2 24.Rf2 Rd6 25.Rf3 f6 (25...Rd2 26.c3=) 26.g3 Kf7 27.Raa3 h6 28.Rf2 Nd7 29.Rc3 Nb6 30.Ra3 ½–½. Engo Pardo,L – Sanz,R, Provincial Individuales Preferente, 2000.

5.Nf3 c6 6.a4 0-0 7.d4 (7.Nc3 d6+=) 7...cb5 (7...d5 8.Nbd2=) 8.ab5+= d5 9.Bd3 (9.Nbd2 a5+=) 9...Nbd7= 10.0-0 a6? (better 10...e5!? 11.de5 Ng4+=) 11.Nbd2+- b6 (11...Nh5 12.c4+-) 12.ba6 (better 12.c4+-) 12...Nb8? (better 12...b5+-) 13.Qe2+- Qd6? (13...Nc6+-) 14.Ba3 Qc7 15.Bf8 Bf8 16.Ne5 (16.Bb5 Bb4+-) 16...Bd6 17.e4 (17.f4 Nh5+-) 17...Be5 18.de5 Qe5 19.Nf3 (19.ed5 Qe2 20.Be2 Nd5+-) 19...Qc3 20.ed5 ed5 (20...Nd5 21.Ng5+-) 21.Qe7 White plans a7 21...Be6 (21...Nc6 22.Qc7 Qc5+-) 22.Qd8 Kg7 23.a7 Ng4 (23...Qc8 24.ab8Q Rb8+-) 24.ab8Q Rb8 25.Qb8 (25.Qb8 Qc8 26.Qb6+-) 1–0. DEFFM – GuestBLQN, freechess.org, 2020.

5.Nf3 Qe7 6.Be2 d6 7.0-0 Nbd7 8.d4 0-0 9.a4 Nd5 (9...c5 10.c4=) 10.c4+= Nb4 11.a5 c5 12.Nc3 a6 13.Qb3 Nf6 (13...e5 14.dc5 dc5 15.Nd5 Nd5 16.cd5+-) 14.e4 d5?? (better 14...e5 15.de5 de5+=) 15.e5+- Ne4 (15...dc4 16.ef6 cb3 17.fe7 Re8 18.dc5 ab5+-) 16.dc5 Qc5 17.Ba3 ab5 18.Bb4 (18.Qb4?! Qb4 19.Bb4 Nc3 20.Bc3 bc4+-) 18...bc4 19.Ne4 (19.Bc5?! cb3 20.Bd4 f6 21.Ne4 de4+-) 19...de4 (19...cb3?? 20.Nc5 b2 21.Rab1+-) 20.Bc4 (20.Bc5?! cb3 21.Nd2 Rd8 22.Nb3 Be5+-) 20...Qc7 21.Bd6 Qd7 (21...Qd8 22.Nd4 Ra5 23.Bf8 Bf8 24.Ra5 Qa5 25.Bb5+-) 22.Ng5 h6 (22...Qd8 23.Ne4 Ra5 24.Ra5 Qa5 25.Bf8 Bf8 26.Rd1 Qe5 27.Rd8+-) 23.Ne4 (better 23.Bb5 Qd8 24.Ne4 f5+-) 23...b5 (23...Qc6 24.Qd3 Rd8 25.Qd4+-) 24.Bb5 Qb7 (24...Qa7 25.Bf8 Bf8 26.a6+-) 25.Bf8 Kf8 (25...Qe4 26.Bg7 Bb7 27.Qg3 Kg7 28.a6+-) 26.Nd6 Qe7 (26...Qa7 27.Rfe1 Bb7 28.Qb4+-) 27.Qf3 Rb8 28.Rac1 Bb7 29.Nb7 Rb7 30.Rc8 (30.Rc8 Qd8 31.Rd8 Ke7 32.Re8) 1–0. DEFFM – GuestSPHQ, freechess.org, 2020.

5.Nf3 Nh5 6.d4 (6.Bg7 Ng7 7.Nc3 d5+=) 6...b6 (6...a6 7.c4+=) 7.Bd3 0-0 8.0-0 (8.g4 Nf6 9.g5 Nh5+=) 8...d5 (8...a6 9.a4+=) 9.c4 c6 (9...a6 10.a4+=) 10.Ne5 cb5 11.cb5 Bd7 (11...Be5!? 12.de5 Nd7+-) 12.g4 Nf6 13.Ba3 (13.Nc3 a6 14.Qa4 Qc7+-) 13...Re8+- 14.Qf3 Re7? (better 14...a6!? 15.ba6 Nc6+-) 15.Nc3 (15.Be7 Qe7 16.Nc3 Be8+-) 15...Qe8 (15...Be8 16.Be7 Qe7 17.Rac1+-) 16.e4 a6 17.ed5 Nd5 18.Be7 Qe7 19.Nd5 ed5 20.Qd5 ab5 (20...Ra7 21.Nd7 Rd7+-) 21.Qa8 Bg4 (21...Be5 22.de5 Qe5+-) 22.Qb8 Bf8 23.Ng4 Qg5 24.h3 Qh4 25.Kh2 (25.Rae1 Qh3 26.f3 h6 27.Re8 Kh7 28.Rf8 Qh1 29.Kh1 Kg7 30.Rg8 Kh7 31.Nf6) 25...Kg7 26.Qe5 Kg8 27.Nf6 (better 27.Rac1 Qd8 28.Nf6 Kh8+-) 27...Kg7 28.Ng4 Kg8 29.Rac1 Qe7 30.Nh6! Bh6 31.Qe7 (31.Qe7 Bf4 32.Kg2 Kg7 33.Rc8 Bg5 34.Qf8 Kf6 35.Rc6) 1–0. DEFFM – GuestXQHB, freechess.org, 2019.

5.c4 0-0

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c5? 10.dc5+/– Ne4 11.Bg7 Kg7? (better is 11...Qa5!? 12.Bc3 Nc3+/–) 12.Qd4+- Nf6 13.Nf3 Qa5 14.Nbd2 b6 15.cb6 Bb7 16.Be2 e5? (16...Bf3 17.Bf3 (17.gf3?! d5+-) 17...d5 18.cd5 Qb5 19.g4+-) 17.Qe5 (17.Ne5 d6 18.Ng4 Nbd7 19.Nf6 Nf6+-) 17...Qb6 18.0-0 (18.c5 Qe6 19.0-0 Rc8+-) 18...d6 19.Qb2 Nbd7 20.Nb3 Rc8 21.Rc1 Kg8 22.Qd4 Qc7 23.Nfd2 h5 24.Bf3 Bf3 25.Nf3 Qb8 26.Ra1 d5 27.Na5 (27.cd5?! Qb5 28.Qd1 Qd5+-) 27...dc4 (27...Rc5 28.Nc6 Qe8+-) 28.Nc6 (28.Nc4?! Rc5 29.b6 Rb5+-) 28...Qc7 (28...Qb7 29.Ne7 Kg7 30.Nc8 Qc8 31.Rc1+-) 29.Ne7 (better is 29.Ra7 Qb6 30.Ne7 Kg7 31.Nc8 Qb5+-) 29...Kf8 30.Nc8 Qc8 31.Rc1 Qb7 32.Qc4 Nb6 33.Qc6 Qc6 34.Rc6 Nfd7 35.Ne5! Ke7 36.Nd7 Nd7 37.Kf1 Ne5 38.Rc7 Kd6 39.b6 Nd7 40.Ke2 f6 41.Rd7! Kd7 42.Kd3 Kc6 43.Kd4 Kb6 44.Kd5 f5 45.Ke5 Kc5 46.f4 Kc4 47.Kf6 Kd3 48.Kg6 Ke3 49.Kf5 Kf2 50.Kg5 1–0. Ho Hou Meng – Hanif,Mollah (1955), 37th Olympiad, 2006.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6!? = 10.Nc3 d5 11.Nf3 cb5=.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 d5 10.c5 Bd7 11.Nf3 Qe8 12.Qb3 Qe7 13.Bd3 c6 14.b6 h6 15.0-0 Bc8 16.Ne5 Nbd7 17.f4 Nh5 18.Nd2 Kh7 19.Ndf3 f6?? 20.Ng6+- Qf7 21.Nf8 Kg8 22.Nd7 Bd7 23.Qa4 f5 24.Qa8 Be8 25.Bc3 Kh7 26.Ne5 Be5 27.fe5 Qg6 28.Qc8 Ng7 29.Qb7 h5 30.Qe7 f4 31.b7 Qd3 32.b8Q Qe3 33.Kh1 f3 34.gf3 (34.gf3 Qd3 35.Qb1 Qc2 36.Qc2 Kg8 37.Rg1 Bg6 38.Qg6 Kh8 39.Qeg7#) 1–0. popovicigelu (1630) – mhh, kurnik, 2012.

6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 d5 10.Nf3 c6 11.Bc3 Bd7=.

6.d4 Nh5 7.Nf3 b6 8.Nbd2 Bb7 9.Bd3 d6 10.0-0 Nd7 11.a4 a6 12.Qc2 ab5 13.ab5 Ra1 14.Ra1 Bf3 15.Nf3 d5 16.Ne5 dc4 17.Qc4 Ne5 18.de5 Qg5 19.f4 Qd8 20.Ra7 f6 21.ef6 Bf6 22.Bf6 Qf6 23.Qd4 Qd4 24.ed4 Rf4 25.Rc7 Rd4 26.Bf1 Nf4 27.Rc6 Rd1 28.Kf2 Rd2 29.Ke3 Rd1 30.Kf4 Rf1 31.Ke5 Re1 32.Kf6 Rf1 33.Ke6 Kg7 34.Rb6 Rf2 35.Rb7 Kh6 36.b6 Rg2 37.Rf7 Rh2 38.b7 Rb2 39.Kd6 g5 40.Kc7 Kg6 41.Rf1 h5 42.b8Q Rb8 43.Kb8 g4 44.Kc7 g3 45.Kd6 h4 46.Rg1 Kg5 47.Kd5 Kg4 48.Ke4 h3 49.Ke3 h2 50.Rh1 Kh3 51.Kf3 g2 52.Rh2 Kh2 53.Ke4 g1Q 0–1. A_VB – deadlydon, lichess.org, 2019.

6.Nf3 b6 7.Be2 (7.d4 a6=) 7...Bb7 (7...a6 8.d4=) 8.a4 (8.0-0 a6=) 8...d5 (8...d6 9.0-0=) 9.d4 (9.cd5 Bd5 10.Nc3 a6=) 9...Nbd7 (9...c5 10.dc5 bc5 11.0-0=) 10.0-0 (10.Nbd2 c5=) 10...Ne4 (10...c5 11.bc6 Bc6 12.Nc3=) 11.Nbd2 (11.cd5 Bd5 12.Ba3 Re8=) 11...dc4 (11...c5 12.bc6 Bc6 13.Ne4 de4 14.Nd2+=) 12.Bc4 (12.Ne4 Be4 13.Nd2 Bd5+=) 12...Re8 (12...c5 13.bc6 Bc6 14.Bb5 Nd2 A) worse is 15.Bc6 Nf1 16.Ba8 Ne3 (16...Qa8?! 17.Qf1 Rc8 18.a5=) 17.fe3 Qa8+=; B) 15.Nd2+=) 13.Ne4+= Be4 14.Ne5 (14.Nd2!? Bb7 15.Qg4+=) 14...Ne5= 15.de5 c5 (15...Qg5 16.g3=) 16.f4 (16.Qg4 Bf5 17.Qe2 Qg5+=) 16...Qc7 (16...Qh4 17.Qe2=) 17.Qe2 Red8 (17...Rad8 18.Rad1=) 18.Rad1 (18.a5 Rab8+=) 18...Bf8 (18...Rd1 19.Rd1 Rd8 20.Rd8 Qd8 21.Bc3=) 19.Rd8 (19.Bc3 Rac8=) 19...Rd8= 20.Rd1 Be7 21.Rd8 (21.Bb3 Rd1 22.Bd1 c4=) 21...Qd8 22.g4 (22.Ba1 Bd5 23.Bd3 Bb3=) 22...Kg7 (22...Bd5!?+=) 23.g5= h6 24.h4 (24.gh6 Kh6 25.Bc3 Kg7+=) 24...h5 (24...hg5 25.hg5 Qh8 26.Qh2+=) 25.Kf1 (25.Bc3 Bd5 26.Bd3 Bb3=) 25...Qd7 (25...Qa8 26.Kg1=) 26.Ke1 (26.Kg1 Qb7=) 26...Kf8 (26...Qb7 27.Kf2+=) 27.Qd2 (27.Kf1=) 27...Qd2 (27...Qb7!?+=) 28.Kd2+= Ke8 (28...Bd5 29.Kd3+=) 29.Bd3 Bd3 30.Kd3 Kd7 (30...Kd8 31.Kc4+=) 31.Kc4 (31.Bc3 Kc7+=) ½–½. Zimmer – Loetzbeier, 1997.

6.Nf3 c6 7.a4 d5 8.Be2 Nbd7 9.0-0 Nb6 (9...dc4 10.Bc4 cb5 11.ab5+=) 10.Na3 (10.c5 Nbd7 11.d4 Ne4+=) 10...Bd7 (10...Nc4!? 11.Nc4 dc4 12.Bc4 Bd7+=) 11.c5+/– Nc8 12.Qb3 (12.Be5 Re8+/–) 12...Ne7 13.d3 (13.Be5 Nf5+/–) 13...Nf5 14.Rfc1 Rb8 15.h3 Re8 (15...h6 16.Be5 Rc8 17.Qb2+/–) 16.Be5 Nh5? (better is 16...Ra8+/–) 17.g4+- Be5 18.Ne5 Ne3 19.fe3 (19.gh5?! Qg5 20.Ng4 Ng4 21.hg4 gh5+=) 19...Nf6 (19...Ng3 20.Bf3 Qc7 21.Nd7 Qd7 22.Kf2+-) 20.Rf1 Rf8 21.Nc2 (21.b6 ab6 22.Qb6 Ne8+-) 21...Be8 22.Qb2 (22.b6 ab6 23.Qb6 Qb6 24.cb6 Nd7 25.Nd7 Bd7+-) 22...Nd7 23.Nd7 (23.bc6?! bc6 24.Qc3 Qc7+/–) 23...Bd7 24.Qe5 f6 25.Qd6 Qe8 26.Rab1 (26.d4 Rf7+-) 26...Rd8 (26...cb5 27.ab5 Bb5 28.Nd4+-) 27.b6 a6 28.Qc7 Bc8 29.Qg3 f5 (29...e5 30.Rbe1+-) 30.d4 (30.gf5 Rf5 31.Nd4 Rf1 32.Rf1 e5+-) 30...Rd7 (30...e5 31.Qe5 Qe5 32.de5+-) 31.Ne1 (31.Rbd1 Rdf7+-) 31...Re7 (31...e5 32.de5 (32.Qe5?! Re7 33.Qd6 Re3+-) 32...fg4 33.Rf8 Qf8 34.Bg4+-) 32.Nd3 Qd7 33.Ne5 Qe8 34.g5 Bd7 35.a5 Rg7 36.Rf4 Qe7 37.Rh4 Rd8 (37...Qd8 38.Rd1+-) 38.Ba6! ba6 39.b7 Rb8 (39...Qe8 40.Nc6! f4 41.Nd8 fg3+-) 40.Nd7 Qd7 (40...f4 41.Nb8 fg3+-) 41.Qb8 Kf7 42.Qe5 (42.Qh8 e5 43.b8Q Qe7 44.Rb7 ed4 45.Qg7 Kg7 46.Re7) 42...Rg8 (42...Qe7 43.b8Q Qg5 44.Kh2 Qg3 45.Kg3 f4 46.Rf4 Ke7 47.Qg7) 43.Qf6 Ke8 1–0. DEFFM – GuestWMGG, freechess.org, 2017.

6.Nf3 d5 7.cd5 Nd5 (7...ed5 8.Nc3+=) 8.Bg7= Kg7 9.d4 (9.e4 Nb6=) 9...c6 10.a4 Qa5 (10...a6 11.Nbd2+=) 11.Nbd2 (11.Qd2 Nb4 12.Nc3 Bd7+=) 11...Bd7 (11...a6 12.bc6 Nc6 13.Qb3=) 12.Ne5= Nc3 13.Qc1 cb5?? (better is 13...f6 14.Nd3 Na4 15.bc6 Bc6+=) 14.ab5+- Qc7 (14...Na4 15.Qd1 Bb5 16.Bb5 Qb5 17.Qa4 Qa4 18.Ra4 Rd8+-) 15.Qb2 (better is 15.b6 Qb6 16.Qc3+-) 15...Nd5+/– 16.Be2 (16.Bc4 Qb6+-) 16...f6 (16...Qc3 17.Qc3 Nc3 18.Bf3+/–) 17.Nec4 a6 18.b6 Qd8 19.Bf3 (19.Na5+/–) 19...Bc6 (19...Bb5!?=) 20.0-0 (20.e4 Nf4 21.Ra3 Bb5+/–) 20...Nd7 21.e4 N5b6 22.Nb6 (22.Rfc1!?+=) 22...Qb6+= 23.Qc3 Bb5 24.Rfe1 Rac8 25.Qe3 Rfd8 26.h4 Nb8 (26...e5 27.Nb3-/+) 27.Rac1 (better is 27.Nb3!? Nc6 28.Rac1=) 27...Rc1-/+ 28.Rc1 Qd4 (28...Nc6!? 29.Nb3 Nd4 30.Nd4 Qd4 31.Rc7 Kg8-/+) 29.Rc7+= Kg8 30.Qh6?? White prepares h5 (better is 30.Qd4!? Rd4 31.Rc8 Kg7 32.Nb3+=) 30...Nd7 (30...Qa1!? 31.Nf1 Qf1 32.Kh2–+) 31.h5?? (better is 31.Rb7 Bc6 32.Rb3–+) 31...Qa1 32.Nf1 (32.Nb1 Qb1 33.Rc1 Qb2 34.hg6 Nf8 35.gh7 Nh7–+) 32...Qf1 (32...Bf1?! 33.hg6 Bc4 34.Kh2 hg6 35.Qg6 Kf8 36.Rc4 Qe5 37.Kg1+=) 33.Kh2 Qa1 (better is 33...g5 34.Bg4 Bc4 35.e5 Qf2 36.ef6 Qf6 37.Qf6 Nf6 38.Rc4 Ng4 39.Rg4–+) 34.hg6 hg6 35.Qg6 Kf8 36.Bh5 (36.Qh7 Qe5 37.g3–+) 36...Ke7 37.f4 (37.Qh7 Kd6 38.Rc2 Bd3–+) 37...Kd6 38.Rc2 (38.Rb7 Kc6 39.Rd7 Kd7–+) 38...Qe1 (better is 38...Rh8 39.g4 Qd1–+) 39.g3 (39.Qg3 Qg3 (39...Qe4?? 40.Qa3 Kd5 41.Rd2 Bd3 42.Rd3 Qd3 43.Qd3 Kc5 44.Bf3+-) 40.Kg3 Bd3–+) 39...Bc6 (39...Rh8 40.Qg4 Bd3 41.e5 fe5 42.fe5 Qe5 43.Qb4 Nc5 44.Qc5 Qc5 45.Rc5 Kc5 46.g4–+) 40.Re2 Qf1 41.Qg7 Kc7 42.Qh7 (42.Rc2 Qd3 43.Rf2 Be4–+) 42...f5 43.Rc2 Qd3 44.Re2 (44.Rc6 Kc6 45.Qg7 Nc5 46.ef5 Ne4 47.fe6 Rh8 48.Qd7 Qd7 49.ed7 Rh5 50.Kg2 Kd7–+) 44...Be4 0–1. Petukhov,Nikolay (1800) – Prasolov,Petr (2010), Moscow Open E, 2011.

6.Nf3 d5 7.Be2 dc4 8.0-0 c5 9.Bc4 b6 (9...a6 10.Qa4=) 10.d4+= cd4 (10...a6 11.dc5 bc5 12.Nc3+=) 11.Bd4 (11.Nd4 Bb7+=) 11...Bb7 (11...a6 12.Qa4+=) 12.Nbd2 (12.Qe2 Nbd7+=) 12...Nbd7 (12...a6 13.Rb1+=) 13.a4 (13.Qe2 Nc5+=) 13...a5 14.Qb3 (14.ba6 Ba6 15.Qe2 Bb7+=) 14...Bf3 (14...e5 15.Bb2=) 15.Nf3+= (worse is 15.gf3 Nc5 16.Bc5 bc5=) 15...Ng4 (better is 15...Rc8!?+=) 16.Be6!+/– Bd4 (16...fe6 17.Qe6 Double attack) 17.ed4 (17.Nd4?! Nc5 18.Qd1 Nf2 19.Rf2 fe6 20.Rf8 Qf8=) 17...Qf6?? (better is 17...Nh2 18.Kh2 fe6 19.Qe6 Kg7+-) 18.Bd7 Nh6 19.Ne5 Qf4 (19...Rad8 20.Qh3 Kg7 21.Nc6+-) 20.Qd5 (20.Qe3 Qe3 21.fe3 Rfd8+-) 20...Kg7 21.g3 Qf5 (21...Qg5+-) 22.Bf5 (22.Bf5 Nf5 23.Nd7+-) 1–0. GuestVSMQ – GuestSVKR, freechess.org, 2018.

5.c4 b6

6.Qf3 d5=.

6.Nf3 a6 7.d4=.

6.Nf3 Bb7 7.Be2 0-0 8.0-0 d5 9.cd5 Nd5 10.Bg7 Kg7 11.a4 a5 (11...a6 12.Nc3+=) 12.Nc3 Nd7 13.Nd5 Bd5 14.d4 h6 15.Qc2 Rc8 16.e4 Bb7 17.Rfc1 Qe7 18.Bd3 Rg8 (18...f5 19.Qe2+=) 19.h3 Nf6 20.Qe2 Nh5 21.Qe3 g5 22.g3 Rgd8 23.Rc4 Nf6 (better is 23...c5!? 24.bc6! Rc6 25.Rc6 Bc6+/–) 24.Rac1+- Ne8 25.R4c3 Qf6 26.Kg2 Nd6 (better is 26...Rd6!?+/–) 27.Rc7+- Rc7 28.Rc7 Ba8 (28...Rc8 29.Rc8 Nc8 30.Ne5+-) 29.Ne5 Rf8 30.Rd7 Ne8 31.Ng4 Qg6 32.d5 Nf6 (32...Kg8+-) 33.Nf6 Qf6 34.e5 Bd5 35.Rd5! Qe7 (35...ed5 36.Qf3 Double attack (36.Qf3 Decoy)) 36.Rd6 (36.Qe4 Rh8 37.Rd6 Qc7+-) 36...Qc7 (36...Rb8 37.Rb6 Rb6 38.Qb6+-) 37.Qe4 Rh8 38.Qf3 Qe7 39.Rb6 Rd8 (39...Qd8 40.Rb7 Rf8 41.Bc4+-) 40.Rb7 Qf8 (40...Qb7 41.Qb7 Rd3+-) 41.Qf6 Kg8 42.Bg6! Rd7 (42...fg6 43.Qg6) 43.Rd7 Qa8 44.f3 Qf8 (44...Qe8 45.Bf7 Qf7 46.Qf7 Kh8 47.Qf8) 45.Bf7 Kh7 (45...Qf7 46.Qf7 Kh8 47.Qf8) 46.Bg6 Kg8 47.Bh7 1–0. Guestcello – Hpipsub, internet, 2019.

6.Nf3 Bb7 7.Be2 a6 8.a4 ab5 9.ab5 0-0 10.Ra8 Ba8 11.Nc3 d6 12.0-0 Nbd7 13.d4 Ne4 14.Qc2 Nc3 15.Qc3 Nc5 16.Qc2 (16.Ra1 Ne4 17.Qb3 f5+=) 16...Be4 17.Qd1 Bf3 (better is 17...Qf6!?+=) 18.Bf3+/– (18.gf3?! Qg5 19.Kh1 Qf6=; worse is 18.dc5 Bg2 19.Bg7 Bf1 20.Bf8 Be2 21.Qe2 Kf8 22.cb6 cb6-/+) 18...Qg5 19.Qc2 Nd7 20.Bc6 Rd8 21.Ra1 Nf6 22.Ra7 Qf5? (better is 22...Rc8!?+-) 23.Qf5 (23.Qf5 gf5 24.Rc7+-) 1–0. GuestDLCM – guestwupssss, freechess.org, 2017.

6.Nf3 d6 7.Be2 Bb7 8.Nc3 Nbd7 9.a4 0-0 10.Qc2 (10.0-0 c5=) 10...Nc5 (10...a6 11.0-0=) 11.d3 (11.0-0 a6+=) 11...Re8 12.Ba3 (12.a5 ba5 13.0-0 c6=) 12...Ncd7 (12...e5 13.e4=) 13.d4 (13.0-0 a6=) 13...Bh6 (13...e5 14.d5+=) 14.h3 (14.0-0 a6+=) 14...e5 15.d5 Nc5 (15...Bc8 16.e4+=) 16.Bc5 dc5 17.Nh2 (17.a5 a6 18.ab6 cb6 19.ba6 Ra6+=) 17...Bc8 (17...a6 18.0-0=) 18.Bf3 (18.Ng4 Bg7+=) 18...Qd6 (18...e4 19.Bg4 Ng4 20.hg4 Bg7=) 19.Ne4 (better is 19.Ng4!? Bg7 20.Nf6 Qf6 21.Rd1+=) 19...Ne4+= 20.Be4 Bg5 (20...f5!? 21.Bd3 e4+=) 21.Nf3= Bf6 22.h4 (22.0-0 Bg7 23.Bd3 e4 24.Be4 Ba1 25.Ra1 a6=) 22...Bg4 (22...Bg7!?-/+) 23.Ng5 (23.h5 Bh5 24.Nh2 Bg7+/–) 23...Bg5 (better is 23...a6!?+=) 24.hg5+= a6 25.f3 (25.g3 Bd7+=) 25...Bd7 26.Bd3 (better is 26.Rc1!?+=) 26...Qe7+= 27.Qf2 Qg5 28.Kd2 ab5 29.cb5 Bf5 30.f4?? (better is 30.Qh4 Qh4 31.Rh4 Bd3 32.Kd3+=) 30...ef4–+ 31.ef4 Qf6 32.Ra2 Bd3 33.Kd3 Qf5 34.Kc3 Qd5 35.Rd2 Qf5 36.Re1 Qf6 37.Kb3 c4 38.Ka3 Qc3 39.Ka2 Qb3 40.Ka1 Re1 41.Qe1 Ra4 (41...Ra4 42.Ra2 Ra2) 0–1. Verleye – Foetsch,D, World Juniors Zagan Poland, 1998.

5.c4 c6

6.a4 0-0 7.d4 a6=.

6.a4 0-0 7.Nf3 b6 8.Qc2 (8.Nc3 d6+=) 8...cb5 9.ab5 Bb7 10.Be2 d6 11.d3 Nbd7 12.e4 (12.Nbd2!?+=) 12...Qc7 13.Nbd2 e5 14.0-0 Rfe8 15.Ne1 (15.Bc3 a6 16.ba6 Ba6=) 15...Bh6 16.Qd1 (16.Bc3 Nc5=) 16...Bc8 17.Nc2 Nc5 18.Ra3 (18.Nb4 Bd2 19.Qd2 Nb3=) 18...Kg7 (18...a5!?+=) 19.Nb4+= Bd7 20.Nb3 Re6 (20...Ne6 21.g3 Qd8 22.f4+/–) 21.Qc2+= Bf4 (21...Re7 22.Bc3+=) 22.Rfa1 h5 23.Bc3 Bh6 (23...Re7 24.Nd2+/–) 24.Nd2 (better is 24.Nc5 dc5 25.Nd5 Nd5 26.ed5+-) 24...g5? (24...Ree8!?+/–) 25.Qa2 (25.d4!? ed4 26.Bd4 Re5+-) 25...g4 26.Ra7 Ra7 27.Qa7 Qa7 28.Ra7 Kf8 29.Nb1 (29.Nf1 Re7+-) 29...h4 (29...Re8 30.Na3+-) 30.g3 (30.Na6 g3+-) 30...h3 (30...hg3 31.hg3 Re7 32.Na6+-) 31.Be1+- Bc1 (31...Re8+-) 32.Nc3 Re8 33.Nbd5 Nd5 34.Nd5 (34.ed5?! Bf5 35.Ne4 Rd8+-; 34.cd5?! Re7+=) 34...Rb8 35.Bb4 Be6 36.Bc5 dc5 37.Nf6 (37.Ra6 f5+-) 37...Bb2 38.Ng4 Kg7 (38...Rd8 39.Nf6+-) 39.Ne3 Kg6 (39...Rd8 40.Nd5 Rd6 41.Nc7+-) 40.g4 (better is 40.Nd5!? Kg5+-) 40...Bd4 41.Nf5 Bc3 (41...Bf5 42.ef5 (worse is 42.gf5 Kf6+/–) 42...Kg5 43.Bf3+- (43.Rf7?! Ra8=)) 42.f3 (better is 42.Ne7!? Kg5 43.Nc6+-) 42...Bf5+/– 43.ef5 Kf6 (43...Kg5!?+/–) 44.Kf2+- Rh8 (44...Bd2 45.Bf1+-) 45.Rb7 Ba5 46.Kg3?? (better is 46.Ke3+-) 46...Be1 0–1. Leon Manas,Jose Francisco (1710) – Diaz Mendoza,Eladio, 2nd Open Internacional MC Claud, 2010.

6.a4 0-0 7.f4 d5+= 8.Nf3 Nbd7 (8...a6 9.c5=) 9.Be2 (9.cd5 ed5 10.Be2 Qe7=) 9...cb5 (9...dc4 10.Bc4 Nb6 11.Be2=) 10.ab5 (10.cb5 a6=) 10...Ne4 (10...dc4 11.Na3=) 11.Bg7+= Kg7 12.0-0 (12.Qc2 Qf6 13.d4 a5+=) 12...Nb6 (12...dc4!? 13.Na3 Nd6+=) 13.d3+/– Nf6 (better is 13...Nc5+/–) 14.Nbd2 (14.c5 Nbd7 15.d4 Ne4+/–) 14...dc4 (better is 14...Ng4!? 15.Qb3 Ne3+=) 15.dc4+/– a6 16.Qc2 Bd7 (16...Qe7 17.Rfd1+=) 17.Qb2 Kg8 (17...ab5 18.Ra8 Na8 19.cb5+/–) 18.Ne5 (18.Rfd1 ab5 19.Ra8 Na8 20.cb5 Nd5+/–) 18...ab5 19.cb5 (19.Ra8 Qa8 20.Qd4 Qd8 21.cb5 Bc8+/–) 19...Qe7 (19...Ra1 20.Ra1 (worse is 20.Qa1 Bb5 21.Qd1 Be2 22.Qe2 Qd6+=) 20...Nfd5 21.Qb3+=) 20.Ndc4 (20.Rac1 Rfc8+=) 20...Na4 21.Qb3 (21.Qa3 Qa3 22.Na3 Rfd8+=) 21...Nc5= 22.Qb2 Nd5 (22...Na4 23.Qa3 Qa3 24.Na3+= (worse is 24.Ra3 Bb5 25.Rfa1 Nd5+=)) 23.Ng4 (23.Bf3 Na4 24.Qd4 Nac3+=) 23...f6 24.Nf2 (better is 24.Bf3!? Kg7 25.b6+=) 24...Na4-/+ 25.Qb3 Nac3 26.Bd3 (26.Bf3 Bb5 (worse is 26...Nb5 27.Ra8 Ra8 28.Bd5 ed5 29.Nb6+=) 27.Ne4 Ba4-/+) ½–½. Kucharkowski,Jens – Goettlich, Freital, 1987.

6.a4 d5 7.Nf3 0-0 8.Be2 dc4 9.Bc4 cb5 10.ab5 Nbd7 11.0-0 Nb6 12.Be2 Nbd5 (12...a6 13.d4+=) 13.d4 a6 14.Nbd2 a5 (14...Re8 15.Nc4+=) 15.e4 (15.Qa4 Nd7+/–) 15...Nf4 16.Bc4 b6 17.g3 N4h5 18.e5 (18.Qe2 Bb7+=) 18...Nd7 (18...Nd5 19.Ba3 Re8 20.Ne4+=) 19.Ne4 (19.Ba3 Re8+/–) 19...Bb7 20.Nd6 Bf3 (20...Qc7!?+/–) 21.Qf3+- Bh6? (better is 21...Bh8+-) 22.Nf7! Kg7 (22...Rf7 23.Be6 Pinning (23.Be6 Decoy)) 23.Nd8 (23.Nd8 Rf3 24.Ne6 Kh8 25.Bd5+-) 1–0. DEFFM – GuestWHKX, freechess.org, 2018.

6.Nf3 0-0=.

5.Nf3 d5

6.a4 0-0 7.e4 c5 (7...de4 8.Ne5-/+) 8.c4? (8.e5 Ne4=) 8...a5?? (8...de4 9.Ng1–+) 9.Ke2?? (9.e5!? Nfd7 10.d4=) 9...b6?? (9...de4 10.Ng1–+) 10.d4? (10.e5 Nfd7 11.d4 Bb7=+) 10...cd4 (10...Ne4 11.Nbd2–+) 11.ed5? (11.e5 Ne4 12.Ke1 f6 13.ef6 Bf6 14.Bd4 Bb7=+) 11...Bb7 (11...ed5 12.Qd4 Nh5 13.Qd2 Bb2 14.Qb2 dc4 15.Nbd2-/+) 12.Nbd2? (12.de6 Bf3 13.Kf3 fe6-/+) 12...Qe8 (12...ed5 13.Ne5 Ne4 14.Ne4 Be5 (14...de4?! 15.Qd4 Qc7 16.Rd1-/+) 15.Bd4 Re8 (15...de4?! 16.Be5 Qc8 17.Qc2=) 16.Be5 Re5–+ (16...de4 17.Qd8 Rd8 18.Bc7+-)) 13.Ne1?? (better 13.Kd3-/+) 13…d3 (better 13...ed5 14.Kd3 dc4 15.Kc2 Ne4 16.Ne4 Be4 17.Nd3 cd3 18.Bd3 Bg2–+) 1–0. onur604 (2320) – Floppi73 (2120), lichess.org, 2020.

6.c4 c6 7.a4 0-0 8.Be2 Re8 9.0-0 Nbd7 10.d4 dc4 11.Bc4 Nb6 (11...c5 12.Nc3+=) 12.Bd3+= Qc7 13.Nbd2 Nbd5 14.Rc1 Qd6 (better 14...Nb4!? 15.Bc4 a6+=) 15.Nc4+- Qe7 16.Ba3 Qd8 (16...Nb4 17.Na5 c5 18.Rc5 Nd3 19.Qd3+-) 17.bc6 bc6 18.Nce5 Bb7 (18...Bf8 19.Nc6 Qb6 20.a5+-) 19.Ng5 Rc8 (19...Qc7 20.Qf3 a5+-) 20.Ngf7 Qe7 (20...Qa5+-) 21.Be7 (21.Be7 Re7 22.Nd6+-) 1–0. DEFFM – GuestRNYS, freechess.org, 2019.

5.Nf3 d6

6.Be2 0-0 7.0-0 Nbd7 8.d4 Nd5 9.c4 Ne7 10.a4 c6 11.Nbd2 c5 12.Qc2 b6 13.a5 Bb7 14.a6 Bc8 (14...Bf3 15.Bf3 (worse 15.gf3 cd4 16.Bd4 Bd4 17.ed4 Nf5=+) 15...Rc8 16.Bb7+/-) 15.e4 (15.Rad1 cd4 16.Nd4 Qc7+/-) 15...cd4 16.Nd4 Ne5 (16...Qc7 17.N4b3+=) 17.f4 Nd7 18.Rad1 Nc5 19.N2b3 Qc7 20.Nc5 Qc5 21.Rf2 Bd7 (21...Qc7 22.Nb3 Bb2 23.Qb2+/-) 22.Qc1 (22.Nb3 Qc8+-) 22...e5 (22...Qc7!?+/-) 23.Ba3+- Qc7 24.Nf3 Nc8 (24...ef4 25.Bd6 Qd8 26.Qf4+-) 25.fe5 de5 26.Bf8 (26.Qd2!? Be6+-) 26...Bf8 27.Qd2 Bc5?? (27...Be6 28.Qd8 Qd8 29.Rd8 Kg7 30.Ne5 Be7+-) 28.Qd7 Qd7 29.Rd7 Nd6 30.Bd3 (worse 30.Ne5 Ne4 31.Nd3 Bf2 32.Nf2 Nc5+-) 30...Ne8 (30...f6 31.Kf1 Bf2 32.Kf2+-) 31.Ne5 Bf2 (31...Nf6 32.Rb7+-) 32.Kf2 f6 (32...Nf6 33.Re7+-) 33.Nc6 Ng7 (33...h5 34.Na7 f5 35.e5+-) 34.Ra7 Rd8 (34...Ra7 35.Na7 Ne6+-) 35.Rg7! Kg7 36.Nd8 Kf8 37.a7 Ke7 38.a8Q g5 (38...h6 39.Nc6 Kf7 40.Qb7 Kf8 41.c5 Kg8 42.Bc4 Kh8 43.Qc8 Kg7 44.Qg8) 39.Nc6 Kd6 (39...Kf7 40.Qb7 Kg6 41.e5 f5 42.g4 Kh6 43.Qe7 fg4 44.Qh7) 40.Qd8 Kc5 41.Qe7 (41.Qd5) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

4.b5 Nh5

5.d4 a6 6.c4 ab5 7.cb5 d6 8.a4 c6 9.Nc3 c5 10.d5 (10.dc5 Qa5 11.Qd2 dc5=) 10...0-0 11.e4 (11.Nf3 Qa5 12.Qd2 Nf6=) 11...Nf6 (11...f5 12.ef5 Bf5 13.Rc1=+) 12.Bd3 e5 (12...e6 13.de6 Be6 14.Nge2=+) 13.de6 (13.Nge2!?+=) 13...fe6 14.Nf3 d5 15.ed5 ed5 16.0-0 Bg4 17.h3 (17.Rc1 Nh5 18.Be2 Nf4-/+) 17...Bf3-/+ 18.Qf3 Ne4 19.Be4 Rf3 20.Bf3 Bc3 (20...d4 21.Ne4 Nd7 22.Nd2-/+) 21.Bc3=+ d4 22.Rfd1 White plans a5 (22.Bb7? Ra7 23.Bd4 cd4-+ (23...Rb7?! 24.Bc5 Kf7 25.Rfb1=; 23...Qd4?! 24.Rad1 Qa4 25.Rd8 Kg7 26.Rb8 Qb5 27.Re1-+)) 22...Nd7 (22...Ra7 23.a5 b6 24.a6-/+) 23.Bd2 (23.Bb7 Ra7 24.Bd5 Kg7=) 23...Rb8 (23...Ra7 24.a5=+) 24.a5 (24.Bf4!?+=) 24...Ne5=+ 25.Be4 Nc4 (better 25...Qd7!?=+) 26.Bf4 Nb2? (26...Nd6!? 27.Bd5 Kf8+=) 27.Rd2 (better 27.Rdb1!? Ra8 28.a6 (28.Rb2?! Ra5 29.Ra5 Qa5 30.Bd5 Kg7+-) 28...ba6 29.Rb2+- (worse 29.Ba8 ab5 30.Rb2 g5+-)) 27...Nc4 28.Rdd1 (28.Rc2!? Nd6 29.Bd5 Kf8 30.Rc5+-) 28...Nd6 (28...Nb2 29.Rdb1 Ra8+-) 29.Bd5+= Kg7 30.Be5 Kh6 31.g4?? (31.a6 Ra8+/-) 31...Qe7?? (31...Nb5 32.Bf4 Kg7 33.Bb8 Qd5-/+ (worse 33...Qb8 34.Rdb1 Qe5 35.Rb5 Qd5 36.Rc1+/-)) 32.f4 (better 32.Bf4 Kg7 33.a6+/-) 32...Nf7?? (better 32...Rd8 33.h4 Qd7 (33...Qh4?? 34.g5 Kh5 35.Bf3 Qg4 36.Bg4 Kg4 37.a6+-) 34.g5 Kh5 35.Bf3 Qg4 36.Bg4 Kg4+-) 33.Bb8+- Qe3 34.Kh1 (better 34.Kg2 Qe2 35.Kg3 Qe3 36.Bf3+-) 34...Qh3 35.Kg1 Qg3 (35...Qg4 36.Bg2 Nd8 37.a6 ba6 38.ba6+-) 36.Bg2 Qg4 (36...Qe3 37.Kh2 Kg7 38.Bb7 Nh6 39.Be5 Kf7+-) 37.Ra3 (better 37.a6!? g5 38.Rf1 ba6 39.ba6 gf4+-) 37...Ng5 (better 37...Qd1 38.Bf1 c4 39.Rh3 Kg7-+) 38.fg5+- Kg5 (38...Qg5 39.a6 Qg4+-) 39.Rg3 Kh6 40.Rg4 Kg7 41.Rg3 h5 42.Rf3 h4 43.Rf7! (43.Rf7 Kf7 44.a6 ba6 45.ba6 g5 46.a7 h3 47.Rf1 Kg7 48.Be5 Kh6 49.a8Q h2 50.Kh2 Kg6 51.Qe8 Kh6 52.Qh8 Kg6 53.Be4) 1-0. ClayPigeons (2190) - Azerbaijan_Chess (2105), Rated Bullet game, lichess.org, 2020.

5.d4 c6 6.a4 cb5 7.ab5 Nf6 8.c4 0-0 9.Qb3 d5 10.Nf3 dc4 11.Bc4 Nbd7 12.Nc3 Nb6 13.Bd3 Be6 14.Qc2 Nc4 15.d5?? (15.0-0+=) 15...Nd5?? (better 15...Nb2 16.Qb2 Bd5-+) 16.Bc4+/- Nb4 (better 16...Ne3 17.fe3 Bc4+/-) 17.Qb3?? (better 17.Qa4 a5 18.Be2+-) 17...Nd3-+ 18.Ke2 (18.Kf1 Bc4 19.Qc4 Nb2-+) 18...Nb2 (better 18...Bc4 19.Qc4 Nb2-+) 19.Be6?? (19.Bd5 Rc8 20.Rhc1-+) 19...Qd3 20.Ke1 Bc3 (20...fe6?! 21.Qe6 Kh8 22.Ne2-/+) 21.Nd2 Bd2 0-1. ClayPigeons (2100) - Rednargyos (2225), Rated Bullet game, lichess.org, 2021.

5.d4 d5 6.c4 c6 7.a4 (7.bc6 Nc6 8.cd5 Qd5+=) 7...0-0 8.Nc3 dc4 (8...Nf6 9.Nf3=) 9.Bc4+= cb5 10.ab5 Nd7 11.Qb3 (11.Nf3 Nb6 12.Bd3 Bg4+=) 11...Nb6= 12.Be2 Be6 13.Qc2 Nd5 14.Qd2 (14.Bh5 Nc3 15.Bc3 gh5+=) 14...Nc3= 15.Bc3 Qb6 (15...Nf6 16.Nf3=) 16.Nf3 Nf6 17.Bd3 (17.Ba5 Qd6+=) 17...Ng4 (17...Bd5 18.Bb4 Ne4 19.Qb2=) 18.h3 Nf6 19.Ne5 (19.e4 a6+=) 19...Nd5 20.Ba5 (better 20.Bb2+=) 20...Qc7?? (better 20...Qd6=) 21.Bc7+- Nc7 22.0-0 Nd5 (22...Be5 23.de5 Rfd8 24.Rfc1+-) 23.Rfc1 b6 (23...Rfd8 24.e4 Nb6 25.Qe3+-) 24.Be4 (better 24.e4 Nf6+-) 24...Nf6 (24...Be5 25.de5 Rfd8 26.Rc4+-) 25.Ba8 Ra8 26.Rc7 Rd8 (26...a5 27.ba6 Nd5 28.Rc6+-) 27.Raa7 (27.Nc6 Nd5+-) 27...h5 (27...Ne8 28.Nc6 Nc7 29.Rc7+-) 28.Nc6 Kh7 29.Nd8 (29.Nd8 Nd5 30.Ne6 fe6 31.Rc6+-) 1-0. ClayPigeons (2210) - bremerxnor (2180), Rated Bullet game, lichess.org, 2019.

5.d4 Nf6 6.a4 d5 7.c4 0-0 8.Nf3 dc4 9.Bc4 Re8 (9...a6 10.Nbd2+=) 10.Qb3 e6 11.Nc3 Nbd7 12.a5 a6 13.0-0 ab5 14.Nb5 c6? (better 14...Bf8!?+=) 15.Nd6+- Rf8 (15...Re7+-) 16.Ng5 (16.Nf7 Rf7 17.Be6 Nd5+-) 16...Nb8?? (better 16...Nd5 17.Nc8 Qc8+/-) 17.Nc8+- Qc8 18.Ne6! Re8 (18...fe6 19.Be6 Double attack) 19.Nc5 (better 19.Ng5 Nd5 20.e4+-) 19...Nbd7? (19...Re7+-) 20.Bf7 Kh8 21.Nd7 (21.Nb7 Re7 22.Ba3 c5 23.Nc5 Ra5+-) 21...Rf8 (21...Qd7 22.Be8 Qe8+-) 22.Nb6 (22.Nb6 Qc7 23.Na8 Ra8 24.f3+-) 1-0. ClayPigeons (2205) - DaLionBeast (2190), Rated Bullet game, lichess.org, 2021.

5.d4 0-0

6.a4 b6 (6...d5 7.Be2=) 7.Be2+= Nf6 8.Bf3 c6 9.c4 Bb7 10.Nc3 Qc8 11.Nge2 (11.Nh3!?+=) 11...cb5= 12.ab5 (12.cb5!? Bf3 13.gf3=) 12...Bf3-/+ 13.gf3 d6 (better 13...Qc4!? 14.e4 Rc8=+) 14.Qb3 Nbd7 15.h4 a6 16.Ng3 ab5 17.Nb5 Ra1 18.Ba1 h5 19.Bb2 Re8 (19...Qc6 20.d5 Qa8 21.Rg1=) 20.Ke2 (better 20.f4+=) 20...e5?? (20...Qc6 21.Ra1=) 21.d5?? (better 21.Nd6 Qc7 22.Ne8 Ne8 23.Ne4+-) 21...Nc5= Black prepares e4 22.Qc2 (better 22.Qb4 Qd7 23.Ra1=) 22...e4?? (22...Qd7 23.Rb1=+) 23.f4?? (better 23.Nd6 ef3 24.Kd2+-) 23...Ng4?? (23...Qg4 24.Kd2 Qf3 25.Rf1=+) 24.f5?? (better 24.Bg7 Kg7 25.Nd6+-) 24...Bb2 (24...Qd8 25.Bg7 Kg7 26.Rg1=) 25.Qb2 (better 25.Nd6 Qd7 26.Ne8 Qe8 27.fg6+=) 25...gf5?? (better 25...Qd8 26.Rg1 Kh7=) 26.Nh5 (better 26.Nd6 Qd8 27.Ne8 Qe8 28.Nh5+-) 26...f6 (26...Re5 27.Nf6!! Kf8 28.Nd6+-) 27.Rg1 (better 27.Nf6 Kf8 28.Nd6+-) 27...Kf7 (27...Nb7 28.Nf6 Kf7 29.Ne8 Qc4 30.Ke1 Ke8+-) 28.Rg4! fg4 (28...fg4 29.Qf6 Mate attack) 29.Nd6 (29.Qf6 Kg8 30.Qg7) 29...Ke7+- 30.Nc8 Rc8 31.Qf6 Kd7 32.Qf5 (better 32.Qf7 Kd6 33.Ng3 Nd7 34.Nf5 Kc7 35.d6 Kb8 36.Qd7 g3+-) 32...Kc7 33.Qg4 Ra8 34.Nf6 Ra2 35.Kf1 Nd3 36.Qg3 (36.Qg7 Kb8 37.Nd7 Kc8 38.Nb6 Kb8 39.d6 Ra7 40.Qh8 Kb7 41.d7 Ra3 42.Qc8 Ka7 43.Qa8 Kb6 44.d8Q Kc5 45.Qa3 Kc4 46.Qd4 Kb5 47.Qaa4) 36...Kb7 37.Ne4 Ra1 38.Kg2 (38.Kg2 Ne1 39.Kh2+-) 1-0. ClayPigeons (2180) - borm (2150), Rated Bullet game, lichess.org, 2019.

6.c4 Nf6 7.Nc3 d6 8.Nf3 c6 (8...a6 9.Bd3=) 9.a4 Re8 10.Be2 e5 (10...Qa5 11.0-0+=) 11.0-0 (11.de5!? de5 12.Qd8 Rd8 13.Ne5+/-) 11...e4 12.Nd2 d5 13.Qb3 Be6 14.Rac1 Qd7 15.a5 cb5 (15...dc4 16.Bc4 cb5 A) 17.Nce4? bc4 (17...Bc4?! 18.Nf6 Bf6 19.Nc4 bc4 20.Rc4-+) 18.Nf6 Bf6 19.Nc4 Bd5-+; B) 17.Nb5?! Nc6=; C) 17.Bb5?! Bb3 18.Bd7 Nbd7 19.Nb3 b6=; D) 17.Qb5+=) 16.Nb5 (16.cd5!? Nd5 17.Qb5 Nc3 18.Rc3+/-) 16...dc4 17.Bc4 Bc4 (17...Nc6!? 18.Bc3 Rad8=) 18.Nc4+/- a6? (18...Nc6 19.Ne5 Qd5 20.Qd5 Nd5 21.Nc6 bc6 22.Rc6+/-) 19.Ne5 (better 19.Nbd6 Nc6 20.Ba3+-) 19...Qe7?? (better 19...Qb5 20.Qf7 Kh8+/-) 20.Nc7 (20.Ba3 Qe6 21.Qe6 fe6+- (21...Re6?? 22.Nc7+-)) 20...Nc6 21.Na8 Na5 (21...Ra8 22.Nc6 bc6 23.Rc6+-) 22.Qa4 (22.Qa4 Ra8 23.Qa5+-) 1-0. ClayPigeons (2175) - vizzyfreezy (2120), Rated Bullet game, lichess.org, 2020.

5.d4 c5

6.Nf3 cd4 7.ed4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.Nbd2 Nd7 12.c4 Ndf6 (12...0-0 13.Be2=) 13.c5 (13.Ne5 0-0=) 13...Ne4 (13...Qa5 14.Bb2=) 14.Bd3 (14.Ne4 de4 15.Nd2 Bd4=) 14...Qa5 (14...Nf4!? 15.Ne4 de4 16.Be4 Ng2 17.Kf1 Nf4=+) 15.0-0= Nf4 (15...Nd2!? 16.Nd2 Nf4=) 16.Be4+/- de4 17.Ne4 0-0 (17...Qb5 18.d5 f6 19.Re1+=) 18.b6 (18.d5 Qb4 19.Bg7 Kg7+/-) 18...Bg4 19.Bc3 (better 19.h3 Bf5 20.Re1+/-) 19...Bf3?? (better 19...Qa3 20.Qc2 Ra8=) 20.Qf3+- (20.Ba5?! Bd1 21.Rd1 Ne2 22.Kf1 Nd4+=) 20...Qb5 (20...Qa3 21.Qf4 f5+-) 21.Qf4 Qc6 22.Qd2 (better 22.Ra1+-) 22...Qe4 23.Re1 Qh4 24.g3 (24.d5 Bc3 25.Qc3 e6+-) 24...Qg4 (24...Qf6+-) 25.Re7 Rd8?! (25...Qf3 26.h3+-) 26.Rb7 (better 26.Qe3 Qd1 27.Kg2 Qa4+-) 26...Bd4 (26...Qe4 27.Rc7+-) 27.Bd4 (27.c6 Bf2 28.Qf2 Rd1 29.Kg2 Qe4 30.Qf3 Qf3 31.Kf3 Rd3 32.Ke4 Rc3+-) 27...Rd4 28.Qe3 (28.f3 Qc8 29.Qd4 Qb7+-) 28...Rd1 (28...Rd8 29.Re7 Qa4 30.Kg2+-) 29.Kg2 Qf5 (29...Qc4 30.Qe8 Kg7 31.Rf7 Qf7 32.Qf7 Kf7 33.c6+-) 30.Re7 Qd5 (30...Kg7 31.c6 Qd5 32.Qe4 Qb5 33.Qe5 Qe5 34.Re5 Rb1+-) 31.Kh3 (31.Qe4 Qe4 32.Re4+-) 31...Qh5= 32.Kg2 Qd5 33.f3 (33.Qe4 Qe4 34.Re4+-) 33...Rd2 34.Kf1?? (better 34.Kg1 Rd1 35.Kf2 Rd2 36.Ke1 Rh2 37.Re8 Kg7 38.Qe5 Qe5 39.Re5+-) 34...Rd3 (better 34...Qc4 35.Qe2 Re2 36.Re2 Qc5-+) 35.Re8 (better 35.b7 Rb3 36.Re8 Kg7 37.b8Q Re3 38.Qb2 f6 39.Re3 Qc5 40.Qb7 Kh6 41.Re4+-) 35...Kg7 36.Qe5 Qe5 37.Re5 Rf3 38.Kg2 Rb3 39.Rd5 (39.Re8!? Rb2 40.Kf3 Rb3 41.Ke4 f5 42.Kd5 g5+-) 39...Rb2 40.Kh3 Rb3 (40...h5+-) 41.Rd7 Rb4 (41...g5 42.b7 h5+-) 42.b7 Rb5 43.Rf7!! Kf7 44.c6 1-0. ClayPigeons (2190) - Harlinson (2400), Rated Bullet game, lichess.org, 2019.

6.Nf3 cd4 7.ed4 d5 8.Ne5=.

6.Nf3 cd4 7.ed4 e5 8.c4 (8.de5 d6+/-) 8...ed4 (8...e4 9.Nfd2=) 9.Bd4+= Bd4 10.Qd4 0-0 11.Be2 Qf6 (11...Re8 12.Nc3+/-) 12.Nc3+/- d5 (12...Qd4 13.Nd4 Nf4 14.Bf3+/-) 13.0-0 (13.Nd5 Qd8+-) 13...Bg4? (better 13...dc4!? 14.Bc4 a6+/-) 14.Nd5 (worse 14.Qd5 Qc3 15.Qb7 Nd7-/+; 14.cd5?! Qd4 15.Nd4 Be2 16.Nde2 Rd8+-) 14...Qd4 15.Nd4 Be2 16.Ne2 Ng7? (better 16...Nd7+-) 17.Nc7 Ne6 (17...Nd7 18.Na8 Ra8 19.Rad1+-) 18.Na8 Nd7 19.Nc7! Nc7 20.Nd4 Ne6 21.Ne6 fe6 22.Rfe1 Nc5 23.Rad1 Re8 (23...Rf4 24.Rd8 Kf7 25.Rc1+-) 24.Rd6 Kf7 25.g3 Kf6 26.Kg2 Kf5 27.f3 (better 27.f4 Kf6+-) 27...e5 (27...g5 28.h4 h6 29.h5+-) 28.Re2 (28.Rd5 Na4+-) 28...e4 (28...Re7 29.Rd5 Nd7 30.c5+-) 29.g4 (better 29.fe4!? Ne4 30.Rd7 b6 31.Rf7 Kg5 32.h4 Kh6 33.Ra7 g5+-) 29...Kf4 30.Rd4 Kg5 (30...Re7 31.h3 b6 32.fe4 Ne4 33.Rd8+-) 31.fe4 (better 31.Kg3 Kf6 32.fe4+-) 31...Rf8 (31...Ne6 32.Rd5 Kg4 33.h3 Kh4 34.Rf2+-) 32.e5 (better 32.Rd5 Kg4 33.h3 Kh4 34.Rc5+-) 32...Ne6 33.Rd6 (better 33.Rde4 Nf4 34.Kg3 Ne2 35.Re2+-) 33...Re8?? (33...Nf4 34.Kf3 Ne2 35.Ke2 Kg4+-) 34.Kg3 Nf4 (34...Re7 35.Red2 Nc5 36.h4 Kh6 37.Kf4+-) 35.Re4 (better 35.h4 Kh6 36.Kf4 Re7+-) 35...Ne6 36.c5! Kh6 (36...Nc5 37.Re1 Combination) 37.c6 bc6 38.bc6 Kg7 (38...Ng5 39.Rc4 Nf7 40.c7+-) 39.Rd7 Kh6 (39...Kg8 40.c7+-) 40.c7 Ng5 (40...Rc8 41.Rc4+-) 41.Re2 Rc8 42.e6 Ne6 43.Re6 Kg5 (43...a6 44.Kh4 Rc7 45.g5) 44.Ree7 (44.Rh7 Rc7 45.h4) 44...Kh6 (44...Kf6 45.Rf7 Ke5 46.g5 Re8 47.c8Q Rc8 48.Rfe7 Kf5 49.Rd5) 45.h4 (45.Rh7 Kg5 46.Rd6 Rc7 47.h4) 45...g5 (45...Rh8 46.g5 Kh5 47.Rh7 Rh7 48.Rh7) 46.h5 (46.h5 Rc7 47.Rh7; 46.Re6) 1-0. ClayPigeons (2155) - Hoooba1111 (2105), Rated Bullet game, lichess.org, 2019.

6.a4 cd4

7.ed4 d5 8.Be2 Nf4 9.Bf3=.

7.ed4 d5 8.Be2 Bf5?? 9.Bh5?? (better 9.g4 Be4 10.f3+-) 9...gh5= 10.Qh5 (10.Nf3 Qc8=) 10...Bc2=+ 11.Nc3 Bg6 (11...Bd4 12.Rc1 Bg6 13.Qg4 Bc3 14.Rc3=+) 12.Qg4 (12.Qd5!? Qd7 13.Nf3+=) 12...Nd7 (12...a6 13.Nf3=+) 13.Nd5= Nf6 (13...Rc8 14.Ne2=) 14.Nf6+= Bf6 Attacks the isolani on d4 15.Nf3 (15.Ne2 Rc8 16.Qf3 Rc2+=) 15...Qa5= 16.Nd2 Rd8 17.0-0-0?? (better 17.Qf4=) 17...0-0 (better 17...Qc7 18.Nc4 Qc4 19.Kd2 Bd4 20.Qd4 Rd4 21.Bd4 Qd4 22.Ke2 Qa4-+) 18.Ne4 Rc8 19.Kb1 Qa4 20.Rc1 (20.Rhe1 Rc4 21.Qe2 Qb5-+) 20...Rc4 (20...Rc1 21.Rc1 Bd4 22.Rc2-+) 21.Rc4 Qc4 22.Rc1?! (22.f3-+) 22...Qd3 23.Ka1 Qe4 24.Qg3 (24.Qe4 Be4 25.f3-+) 24...Bd4 25.f3 (25.Qa3-+) 25...Bb2 26.Kb2 Qb4 27.Ka2 Rd8 28.Qf2 Rd2 29.Rc2 Rc2 30.Qc2 Bc2 31.f4 (31.b6 Qb3 32.Ka1 Qa3) 31...Qb3 32.Ka1 Qb1 (32...Qa3) 0-1. ClayPigeons (2135) - CoCo53 (2140), Rated Bullet game, lichess.org, 2021.

7.ed4 d5 8.Be2 Nf6 9.Nf3 Bg4 10.0-0 Nbd7 11.Nbd2 e6 12.c4 dc4 (12...0-0=) 13.Ba3 (13.Nc4 Nb6 14.Nce5 Bf3 15.Bf3 Nbd5+=) 13...Bf8 (better 13...c3!? 14.Nc4 Bf8=) 14.Bf8+= Kf8 15.Nc4 Kg7 16.h3 Bf3 17.Bf3 Rb8 18.Nd6 (18.a5 Nd5+=) 18...Nd5 (18...Qc7 19.Ne4=) 19.Qe1 (19.Bd5 ed5 20.Qf3=) 19...N7f6? (better 19...Qb6!? 20.Bd5 Qd6=) 20.Qe5+/- Qd7 21.Ne4 (21.Bd5 ed5 22.Rac1 Rbd8 23.Nb7 Rhe8+-) 21...Qe7 22.Rac1 Rhe8 23.g4 (23.Rc5 Rbd8+/-) 23...h6+= 24.h4 Kh7 (24...Kg8 25.Nf6 Qf6 26.Bd5 Qe5 27.de5 ed5 28.f4+/-) 25.g5 (better 25.Nf6!? Nf6 26.Rc7+/-) 25...Ne4+= 26.Be4 hg5 (26...Rbd8!?+=) 27.hg5+/- (worse 27.Bd5 ed5 28.Qe7 Re7 29.hg5 Re4=) 27...Rh8?? (better 27...Kg8+/-) 28.Kg2 (worse 28.Bd5 Rbd8 29.Rc7 Rd7+-) 28...Kg8 (28...f6 29.Qg3 Rbe8 30.Bd5+-) 29.Bd5 (29.Qb8 Kg7 30.Qe5 f6 31.gf6 Qf6 32.Bd5 Qe5 33.de5 ed5 34.Rc7 Kf8 35.Rb7 Rh4+-) 29...Rd8 30.Be4 (30.Be4 Rh5 31.f4+-) 1-0. ClayPigeons (2140) - Popi81 (2120), Rated Bullet game, lichess.org, 2020.

7.Bd4 e5 8.Bc3 d6=.

7.Bd4 Nf6=.

5.Bg7 Ng7

6.a4 a6 7.c4 ab5 8.cb5 0-0 9.Nc3 d5 10.d4 e5 (10...c6 11.Rc1+=) 11.Nf3 (11.de5 c6+/-) 11...ed4 12.Nd4 Nd7 (12...Ne6 13.Nb3+=) 13.Be2 (13.Nd5 Ne5 14.Nc3 Bg4+/-) 13...Ne5 14.0-0 Ne6 15.Ne6 Be6 16.Rc1 (16.Qd4 Qd6 17.a5+=) 16...Qf6 (16...Qd6 17.Qd4+=) 17.f4 (17.Nd5!? Bd5 18.Qd5+-) 17...Nc4 18.Qd3 (18.Nd5 Bd5 19.Bc4 Be4+/-) 18...Rad8 (18...Rfd8 19.Qd4 Qd4 20.ed4=) 19.Bf3 Will d5 fall? (19.Qd4 Qd4 20.ed4 Ne3+=) 19...Rfe8 (19...c6 20.Qd4 Qe7 21.Rfe1=) 20.Rfe1 (20.Bd5!? Nb6 21.e4+=) 20...c6= 21.bc6 bc6 22.Ne2 Bf5 Exerts pressure on the backward pawn 23.Qd4 Qd4 (23...Qe6!?=+) 24.ed4 Re3 25.Nc3 (25.Kf2 Rde8 26.Nc3 Re1 27.Re1 Re1 28.Ke1 h5+=) 25...Re1 (25...Rd3!? 26.Ne2 Ra8=+) 26.Re1+= Nb2 (26...Rb8 27.g4 Bc2 28.Re2=) 27.a5 (27.g4 Be6+=) 27...Nd3= 28.Re3 Ra8 (28...Nf4!? 29.Ne2 Ne6=) 29.g4+= Ra5 (better 29...Be4!? 30.Ne4 de4 31.Be4 Nf4 32.Bc6 Ra5+=) 30.gf5+/- Nf4 31.Nd5?? (better 31.f6 h5 32.Ne2+-) 31...Rb5?? (better 31...cd5 32.f6 h6-/+) 32.Re8 (better 32.Nf4 Rf5 33.Nd3 Rf6+-) 32...Kg7 33.Ne7 (better 33.Nf4 Rf5 34.Re4 c5+-) 33...Rb1 (33...c5 34.dc5 Rc5 35.Kf2+-) 34.Kf2 Kf6 (34...c5 35.dc5 Nd3 36.Ke3 Nc5 37.Kd4 Nb3 38.Kc3+-) 35.Ke3 (35.Kg3 Nh5 36.Bh5 gh5+-) 35...Nd5 (35...Nh3 36.Ng8 (36.Nc6?! Rb3 37.Kd2 Rf3=; 36.Bc6?! Re1 37.Kf3 Re7 38.Re7 Ke7+-) 36...Kg5 37.Bc6 Rb3 38.Ke4 gf5 39.Ke5+-) 36.Nd5 (36.Bd5!? cd5 37.fg6 hg6 38.Nd5 Kg5+-) 36...cd5 37.Bd5?? (better 37.Rd8 Kf5 38.Bd5 Re1 39.Kf3+-) 37...Kg5?? (better 37...Re1 38.Kf4 Re8-+) 38.Kd3 (38.fg6!? fg6 39.Kd3 h6+-) 38...gf5 39.Kc4 (39.Rg8 Kf6+-) 39...Kf4 (39...Rc1 40.Kb4+-) 40.Kc5 (40.Bf7 Rh1+-) 40...Rc1 (40...Rb2 41.Bf7 Rh2 42.Re5+-) 41.Kd6 1-0. CronusCR (2210) - Luckyriver (2375), Rated Bullet game, lichess.org, 2017.

6.c4 0-0 7.Nf3 e6 8.Be2 Qf6 9.Nc3 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 c6?? 13.0-0?? cb5+/– 14.Nb5 Qa1 15.Ra1 Nc6 16.d4 Nf5 17.e4+- Ng7 18.Ra8 Nb4?? 19.Nd6 1–0. fagus54 – jerzyslowik, kurnik, 2011.

6.f4 0-0 7.Nf3 d6 8.c4 Bg4 9.Nc3 c6 10.a4 e5 11.h3 Bf3 12.Qf3 ef4 13.Qf4 d5 14.Be2 Nd7 15.0-0 Nc5 16.d4 Nb3 17.Ra3 Nd2 18.Rd1 Nc4 19.Bc4 dc4 20.Ne4 f5 21.Nd6 Ne6 22.Qe5 cb5 23.ab5 a6 24.Qe6 Kg7 25.Nb7 Qe8 26.Qd6 ab5 27.Qc7 Rf7 28.Ra8 Qe3 29.Kh1 Rc7 30.Nc5 Rc5 31.dc5 Qc5 32.Rd7 Kf6 33.Ra6 Kg5 34.Rh7 c3 35.h4 Kf4 36.Kh2 c2 37.g3 Kf3 0–1. jura1946 – drfunky, kurnik, 2012.

6.f4 e6 7.Nf3 Qf6 8.Nc3 a6 9.a4 ab5 10.Nb5 Na6 11.Nbd4 c5 12.Nb5 b6 13.Nd6 Kd8 14.Ne5 Rf8 15.c3 Nf5 16.g3 Nd6 17.Bg2 Ra7 18.0-0 Bb7 19.Qb3 Bg2 20.Qb6 Rc7 21.Kg2 Nb4 22.Qd6 Nd5 23.Qf8 1–0. jura1946 – edonis2011, kurnik, 2012.

4.c3 0-0

5.a3 d6 6.Nf3 Nbd7 7.Be2 Rb8 8.0-0 b6 9.d4 Bb7 10.Nbd2 c5 11.dc5 bc5 12.Qc2 cb4 13.ab4 Nb6 (13...Ra8 14.Ra5+=) 14.Rfd1 Rc8 15.Nf1 (15.Ra7 Rc7 16.Nd4 Qb8+/–) 15...e5 (15...Nfd5 16.Ra7 Nc3 17.Bc3 Rc3 18.Qd2=) 16.Rd2 (16.Ne5 Be4 17.Qb3 Qc7+/–) 16...Ne8 (16...Rc7 17.Ng3=) 17.Rad1 (17.Ra7!? Rc7 18.Ra5+/–) 17...Kh8 18.Ng3 f5 19.h3 Nf6 (19...Bf3 20.Bf3 Nc4 21.Rd5+=) 20.Nf1 (20.Rd6 Qc7 21.R6d2 f4=) 20...e4 21.Nd4 (worse is 21.Rd6 Qc7 22.Rf6 Rf6-/+) 21...d5? (21...Bd5 22.Nb5 Qd7 23.Ng3=) 22.Ng3 (better is 22.Ne6 Qe7 23.Nf8 Rf8 24.Ra1+-) 22...Rf7 23.Nb3 Qf8 24.Nd4 Qe7 25.Qb1 Nc4 26.Bc4 dc4 (26...Rc4 27.Qa2=) 27.Nde2 Qf8 28.Nf4 h5?? (28...Qe8 29.Qa1=) 29.Nfe2 Kh7 30.Nf1 Bh6 31.Nd4 Ng4?? 32.hg4+- fg4 33.Ng3 Bg7 34.Nde2 Qe7 35.Nd4 Bd4?? 36.cd4 a6 37.Rc1 Rc7? 38.Bc3 Bc6?? 39.Rdc2 Rd7 40.Be1 Bd5 41.Ne2 Rf3 42.gf3 ef3 43.Nc3 Qg5?? 44.Nd5 Rd5 45.Kf1 Kh6 46.Rc4 h4 47.Rc7 g3 48.fg3 hg3 49.Bg3 Qg3= 50.Qg6?? Qg6 51.R7c6 Rd6 (51...Rd6 52.Rd6 Qd6–+) 0–1. Fournier,Frederic (2025) – pablito399, Active Blind, 2008.

5.Bc4 e6 (5...d5 6.Be2+=) 6.d3 d5 7.Bb3 Na6 (7...a5 8.b5+=) 8.Nd2 (8.Nf3 c5=) 8...c5+= 9.b5 Nc7 10.a4 e5 11.h3 (11.Ngf3 Qd6+=) 11...a5 (11...Be6 12.c4 d4 13.Qe2+=) 12.ba6 (12.Ngf3!?=) 12...Ra6+= 13.Ngf3 Ne6 (better is 13...Qe7!?+=) 14.Ne5+= Nd7 15.Nd7 Qd7 (15...Bd7 16.0-0+=) 16.0-0+/– Qc6 17.Rc1 (better is 17.Qf3 Rd8 18.Rfb1+/–) 17...b5? (better is 17...Nc7!?+=) 18.ab5+- Qb5 19.c4 dc4 20.Bc4?? (better is 20.Bg7 Ng7 21.Bc4+- (21.Rc4?! Bf5+-; 21.Nc4?! Be6+/–)) 20...Qb2+= 21.Ba6 (21.Rb1 Qe5 22.Ba6 Ba6+=) 21...Ba6-/+ 22.Rb1 (22.Nc4!? Bc4 23.dc4-/+) 22...Qa2–+ 23.Ne4 (better is 23.Nc4 Bc4 24.dc4 Qc4 25.Rb7–+) 23...Rd8 24.Qc1 (24.Rc1 Bd3 25.Nc5 Bc4–+ (25...Bf1?! 26.Ne6 Rb8 27.Ng7=)) 24...Bd3 25.Nc5 Bf1 (25...Nc5 26.Qc5 Bb1 27.Qb6–+) 26.Ne6 Qe6 27.Qf1 Qe5 28.Rb5 Qd6 29.Rb1 Be5 30.f4 (30.Qe2 Qc6–+) 30...Bg7 31.Rb5 (31.Qc4 Qd2 32.Rb3 Re8–+) 31...Rb8 (31...Qd2!? 32.Qf2 Qd3 33.Rb7–+) 32.Rb8 Qb8 33.Kh2 g5 34.Kg3 h5 35.Qf3 h4 36.Kh2 (36.Kg4 gf4 37.Qf4 Qb2 38.Kh4 Qg2–+) 36...gf4 37.Qf4 (37.ef4 Qb6–+) 37...Qf4 (better is 37...Be5–+) 38.ef4 f5 39.g3 hg3 40.Kg3 (40.Kg2 Kh7–+) 40...Bc3 (better is 40...Kf7!? 41.Kf2–+) 41.Kh4 Bf6 (better is 41...Kf7 42.Kg5 Ke6 43.Kg6–+) 42.Kh5? (42.Kg3 Kf7 43.Kf3–+) 42...Kf7 43.Kh6 Bg7 (43...Be7 44.Kh5 Bd8 45.Kh6–+) 44.Kg5 Ke6 45.Kg6 Bd4 (better is 45...Be5 46.Kg5 Bf6 47.Kh6 Be7–+) 46.h4-/+ Be3 47.Kg5 Bc5 48.h5 Bf8 49.Kg6 Be7 50.h6 Bf8?? (better is 50...Ba3-/+) 51.h7+- 1–0. giraira – csam, gameknot.com, 2018. (=1.c3 g6 2.b4 Bg7 3.Bb2 Nf6 4.e3 0-0)

5.Nf3 c6 6.a3 b5 7.d4 a5 8.Bd3 a4 9.0-0 Kh8 (9...d5 10.Nbd2=) 10.Nbd2 h6 11.Qe2 e6 12.Rac1 Rg8 13.Rfe1 Re8 14.c4 Ba6 15.cb5 cb5 16.Bb5 Bb5 17.Qb5 Re7 18.Qd3 Nc6 (18...d5 19.Ne5+-) 19.Nc4 (19.e4 Qb6+-) 19...Qf8? (better is 19...d5!? 20.Nce5 Ne5 21.Ne5 Rb7+-) 20.Nce5 Ne5 21.Ne5 (21.de5!? Ne8+-) 21...Ree8 22.Rc2 Rab8 23.Rec1 Red8 24.Nf3 (24.Rc7 Qe8+-) 24...d5? (24...Rdc8 25.Qd1+-) 25.Nd2 (better is 25.Ne5 Re8 26.Rc7+-) 25...Rbc8 26.Rc8 Rc8 27.Rc8 Qc8 28.e4 de4 29.Ne4 Ne4 30.Qe4 f5 31.Qd3 Qb8 32.Qc3 h5 33.g3 Qg8? 34.f3 Kh7 35.Kg2 Qe8 36.Kf2 Qf7 37.Kg2 Qf8?? 38.Kf2 Qf7 39.Kg2 Qf8 40.Bc1 Qb8 41.Be3 e5 42.de5+- Be5 43.Qd2 Qh8? 44.Qc1 Qg7 45.Bf2 g5 46.Kg1 Qf6 47.Kg2 Kg7?? 48.h3 Kf7 49.Kh2 f4 50.g4 hg4 51.hg4 Bd4?? 52.Bd4 Qd4+/– 53.Kg2 Qe3?? 54.Qe3+- fe3 55.Kf1 e2 56.Ke2 Ke6 57.Ke3 Kd5 58.b5 1–0. Fournier,Frederic (1975) – BOMdeMAIS (1740), Active Blind, 2008.

5.Nf3 d5 6.Be2=.

5.Nf3 e6 6.d4 c5 (6...d5!?=) 7.bc5+/– d6 (7...b6 8.cb6 ab6 9.c4+/–) 8.cd6 Qd6? (8...Ne4 9.Ba3 Nd6 10.e4+-) 9.Bd3 (better is 9.Ba3!? Qc7 10.Bf8 Bf8 11.Bd3+-) 9...Qd8 10.Qc2 a6 11.a4 (11.e4 Nc6+-) 11...Nbd7 12.0-0 b5? (better is 12...b6+-) 13.ab5 ab5 (13...Bb7 14.ba6 Bf3 15.gf3 Nd5+-) 14.Ra8 Qb6 15.Ra1 Nd5 (15...Bb7 16.Nbd2+-) 16.Nbd2 Bb7 17.Rfe1 (17.Rfb1 Rc8 18.Qb3 Bc6+-) 17...Qc6 (17...Rc8 18.Qb3 Bc6 19.Reb1+-) 18.Ba3 (18.Qb3 Nc7+-) 18...Nc3 (18...Rc8 19.c4+-) 19.Bf8 Bf8 20.Rec1 e5 (20...b4 21.Nb1+-) 21.de5 (better is 21.Qc3 Qc3 22.Rc3 ed4 23.ed4 Nf6+-) 21...Ne5 (21...b4 22.Ne4!+-) 22.Ne5 (better is 22.Qc3 Qc3 23.Rc3+-) 22…Qg2 0–1. Fournier,Frederic (1710) – MetukaNeguina, Active blind, 2011.

5.Nf3 h6 6.d4 c6 7.Bd3 d6 8.0-0 Re8 (8...a5 9.a3=) 9.Qc2 Qc7 10.Nbd2 e5 11.de5 de5 12.Ne4 (12.Rfd1 Bg4+=) 12...Ne4= 13.Be4 Be6 14.Rad1?? (14.Bd3 a5=) 14...Nd7?? (14...f5 15.Bd3 e4 16.Be4 fe4 17.Nd2–+) 15.a3? Rad8 16.Bd3= Nf6 17.Be2 Rd1 18.Rd1 a6 19.Nd2 b5 20.c4+= bc4 21.Nc4+/– Bc4 22.Bc4 a5 23.Qb3 Ra8 24.b5 cb5 25.Bb5 g5 26.a4 g4 27.Rc1 Qe7 28.Qc3 Ra7 29.g3 h5 30.Bf1 h4 31.Bg2 hg3 32.hg3 Nd7 33.Qc7?? Rc7–+ 34.Rc7 Qd6 35.Rc8 Bf8 36.Ba3 Qa3 0–1. Fournier,Frederic (1950) – zumote (1805), Active Blind, 2008.

5.Nf3 d6

6.a3 Nbd7 7.d4 a5 8.Bd3 c5 9.dc5 dc5 10.b5 Re8 11.c4 e5 12.Nbd2?? (12.e4 Nb6=) 12...Nb8?? (better is 12...e4 13.Ne4 Ne4 (13...Re4?! 14.Be4 Ne4 15.Bg7 Kg7 16.0-0+=) 14.Bg7 Kg7 15.Be4 Re4–+) 13.Qc2+= b6 (13...Qc7 14.0-0+=) 14.0-0 (14.Be5 Nbd7 15.Bb2 Bb7+/–) 14...Bb7 (14...Nbd7 15.Ne4+=) 15.e4 (better is 15.Be5!? Nbd7 16.Bg3+/–) 15...Nfd7 16.Rfd1 Rf8 17.Bf1 f5 18.ef5 gf5 19.a4 Bc8 20.Nb1 Nf6?? (better is 20...Qf6+=) 21.Rd8+- Rd8 22.Nc3 (22.Be5 Nbd7 23.Bc3 Ne4+-) 22...Kh8 (22...e4 23.Rd1 Re8 24.Ng5+-) 23.Rd1 Re8 24.Nd5 Nd5 25.cd5 Ra7 26.Nd2 e4 27.Bg7 Rg7 28.Qb2 Nd7 29.Nc4 Ne5 (29...Rf8+-) 30.Ne5 Re5 31.d6 Re8 32.d7 Bd7 33.Rd7 (33.Rd7 Reg8 34.Bc4 e3 35.Qg7 Rg7 36.Rd8 Rg8 37.Rg8) 1–0. Fournier,Frederic (1970) – danicasagui (1790), Active, 2009.

6.a3 e5 7.d3 Nc6 8.Be2 Ne7 9.Nbd2 Rb8 10.–0 b6 11.e4 Bb7 12.Qc2 d5 13.ed5 Bd5 14.Rad1 Bf3 15.Nf3 Ned5 (15...Nd7!?+/–) 16.c4 e4?? (better is 16...Nf4 17.Ne5 Ne2 18.Qe2 Re8+-) 17.de4 (17.cd5?! ef3 18.Bf3 Re8+/–) 17...Ne4 (17...Nb4 18.ab4 (18.Rd8?! Nc2 19.Rf8 Rf8+-) 18...Qe7 19.Ne5+-) 18.cd5 (better is 18.Rd5 Nd6 19.Bg7 Kg7+-) 18...Bb2 19.Qb2 (19.Qe4?! Ba3 20.Nd4 Qd6+-) 19...Ng5 20.Ng5 Qg5 21.Bf3 Rbd8 22.Rfe1 c6 (22...Qf4 23.Qc2+-) 23.dc6 Rd1 24.Rd1 Rd8 25.Qc1 (better is 25.c7 Re8+-) 25...Rd1 26.Qd1 Qe3 (26...Qe7+-) 27.fe3 (27.fe3 Kf8 28.c7 Kg7 29.Qd4 f6 30.c8Q g5 31.Qcd7 Kg6 32.Qd3 f5 33.Q3d6) 1–0. Fournier,Frederic (1890) – Tructur, Active Blind, 2008.

6.d4 b6 7.Bd3 Bb7 8.Nbd2 c5 9.bc5 dc5 10.Rb1 cd4 11.cd4 Nbd7 12.Qe2 Ne8 13.0-0 e5 (13...Nd6 14.e4+/–) 14.de5 (better is 14.Ba3+-) 14...Ne5?? (better is 14...Qe7+/–) 15.Ne5 Be5 16.Be5 f6 17.Bd4 Qd4 18.ed4 Rc8 19.Nf3 Kh8 20.Rfc1 Rc1 21.Rc1 g5 22.h3 g4 23.hg4 f5 24.gf5 h5 25.Ne5 Rg8 26.Qc2 Rg2+- 27.Kf1 Rg8 28.Be4 Be4 29.Qe4 Nf6 30.Qe3 Ng4 31.Ng4 hg4 32.Ke2 g3 33.Qg3! Rg3 34.fg3 a5 35.g4 b5 36.Kd3 b4 37.Rb1 a4 38.Kc2 a3 39.Rb3 (39.Rb3 Kg7 40.g5 Kf7 41.Rb4 Ke7 42.f6 Ke6 43.d5 Kf7 44.Rb7 Kg6 45.f7 Kg7 46.g6 Kf6 47.f8Q Ke5 48.g7 Ke4 49.Qf6 Kd5 50.g8Q Ke4 51.Qge6) 1–0. Fournier,Frederic (1800) – dinky (1685), Active blind, 2011.

6.d4 c5 7.bc5 dc5 8.Bd3 cd4 9.cd4 Nc6 10.Nbd2 b6 11.0-0 Rb8 (11...Nb4 12.Bc4+=) 12.Nb3 (12.Qa4 Bb7+=) 12...a6 (12...Nb4 13.Bc4=) 13.Rc1 b5?? (13...Nb4 14.Bb1=) 14.Re1 (14.Rc6 Bb7 15.Rc2 Bd5+-) 14...a5?? (14...Nb4 15.Bb1+=) 15.Nbd2 (15.Rc6 a4 16.Nc1 Bb7+-) 15...b4?? (15...Nb4 16.Bb1=) 16.Qc2 a4?? 17.Rb1 b3= 18.ab3?? ab3?? 19.Nb3 Be6?? 20.Nc5 Nd4?? 21.Bd4+- Rb1 22.Rb1 Nh5 23.Bg7 Ng7 24.Qb2 Qd7 25.Nd7 Rd8 26.Nde5 Rd3 27.Nd3 Nf5 28.Qb8 (28.Qb8 Kg7 29.Qe5 f6 30.Qe6+-) 1–0. Fournier,Frederic – castaneda, Active Blind, 2008.

6.d4 Nbd7 7.Bd3 Rb8 (7...e5 8.de5 Ne5 9.Ne5 de5 10.0-0=) 8.Nbd2 b6 9.Qc2 (9.0-0 c5=) 9...a5 10.a3 ab4 (10...c6 11.c4+=) 11.ab4 c5 12.dc5 (12.0-0 d5+=) 12...bc5 13.bc5 (better is 13.b5!?+=) 13...Nc5-/+ 14.Rb1 (14.Ba3!?-/+) 14...Nd3 (14...Bd7 15.Ke2–+) 15.Qd3 Nh5 (better is 15...Bf5!? 16.e4 Ne4 17.Ne4 d5–+) 16.Qc2 Nf6 17.0-0 (17.Qd3 Bf5 18.e4 Ne4 19.Ne4 d5–+) 17...e5 (17...Qc7 18.e4+=) 18.e4 Be6 19.Rfd1 (19.Ba3 Ra8 20.Bb4 Qc7=) 19...Rb6 (19...Qc7 20.c4+=) 20.h3 Qd7 (20...Qc7 21.c4=) 21.Ba1 (21.c4 Qc6=) 21...Rb1 22.Rb1 Rc8 23.Bb2 (23.c4 Qc6+=) 23...Ne8 24.c4 Nc7 (24...f5 25.Rc1+=) 25.Bc1 (25.Ng5 Qc6=) 25...Na8 (25...d5 26.Qd3 de4 27.Qd7 Bd7 28.Ne4 Ne8+=) 26.Nf1 (26.Ng5 Qc6=) 26...Bf8 (26...d5!?-/+) 27.Ne3= Be7 (27...Qc6 28.Nd2+=) 28.Bd2 Bd8 29.Rc1 Bb6 30.Nd5 Bd5 31.ed5 Bd4 32.Nd4+/– ed4 33.Qd3 Nc7 34.Kh1 Ne8 35.f3 Nf6 36.Be1 h6? 37.Bf2 Re8? 38.Bd4 Nh5+/– 39.Bf2 g5 40.c5 dc5 41.Bc5 Nf4= 42.Qd1 Ne2 43.Rc2+/– Nf4 44.Kh2 Rd8 45.d6+/– Ne6 46.Bf2 Re8 47.Bg3 Nd8? 48.Rd2 Nb7 49.Rc2 Re6?? 50.Qc1 Nd6+= 51.Bd6 Rd6 52.Rc8+= Kg7 53.Rc7 Qd8 54.Kh1?? Rd1–+ 55.Qd1 Qd1 56.Kh2 Qd2 (56...Qd2 57.Ra7 Qd6 58.Kh1 Kf6–+) 0–1. Fournier,Frederic – edwardsc2007, Active Blind, 2008.

6.d4 e5 7.de5 de5 8.Qd8 Rd8 9.Nbd2 (9.Ne5 Nd5 10.Nc4 Bf5=) 9...Be6 (better is 9...e4 10.Nd4 a5+=) 10.0-0-0? (10.Ng5 Bd7=) 10...c5?? (10...Ng4 11.Ne4 Rd1 12.Kd1-/+) 11.a3?? (better is 11.Bc4=) 11...cb4-/+ 12.ab4 b5?? 13.Be2 a6 14.h3 Nc6-/+ 15.Nb1 Rd1 16.Rd1-/+ Bh6 17.Bd3?? e4–+ 18.Be4?? Ne4 19.Ne1 Nf6 20.f3 Bg7 21.e4 Bh6 (21...Bh6 22.Kc2 Rc8–+) 0–1. Fournier,Frederic (1985) – deville (1775), Active Blind, 2008.

6.d4 Be6 7.Bd3 Nfd7 (7...a5 8.b5=) 8.Qc2 (8.Ng5 a5+=) 8...f6 (8...c5 9.0-0=) 9.Nbd2 (9.h4 c5 10.bc5 dc5+/–) 9...Bf7 (9...a5 10.b5+=) 10.a3 (10.h4 e5+/–) 10...e5 11.de5 (11.e4 ed4 12.cd4 d5+=) 11...de5 (11...fe5 12.c4=) 12.0-0+= Re8 13.Rfe1 Bf8 14.Rab1 Na6 (14...a5 15.Red1+=) 15.Ne4 Qb8? (15...Nab8 16.Rbd1+/–) 16.c4 (better is 16.Red1!? f5 17.Ba6 fe4 18.Qe4 (18.Rd7?! ef3 19.Bb5 c6=) 18...ba6 19.Rd7+-) 16...c6 (16...c5 17.b5 Nc7 18.Red1+/–) 17.Rbd1 Nc7? 18.c5?? b6 19.Be2 bc5?? 20.Nc5 Nc5= 21.bc5 Na6?? 22.Ba6+- Bd5 23.Rd5! cd5 24.Bc4?? dc4+= 25.Qc4 (25.Qc4 Kg7 26.Rb1+=) 1–0. Fournier,Frederic (1810) – tarzana (1750), Active blind, 2011.

4.Nc3 0-0

5.Qf3 d5+= 6.h3 c6 7.d4 Bf5 8.Bd3 (8.g4 Be4 (worse is 8...Bc2 9.Qe2+/–) 9.Ne4 Ne4+=) 8...Bd3 9.cd3 Na6 10.a3 b5 (10...Nc7 11.Nge2+=) 11.Qd1 (11.Nge2 Nc7=) 11...Nc7+= 12.Nf3 a5 13.Ne5 ab4 (13...Qd6 14.Na2 Nd7 15.f4+=) 14.ab4 (14.Nc6!? bc3 15.Nd8 cb2 16.Rb1 Rfd8 17.Qc2=) 14...Qd6+= 15.Ra8 Ra8 16.Qb3 Nd7 (16...Na6 17.Na2+=) 17.Nd7 (17.Nf7 Qf6 (17...Kf7?? 18.Ne4+-) 18.Ne5 Ne5 19.de5 Qe5=) 17...Qd7+= 18.0-0 Qf5 19.Ne2 Ne6 20.Ng3 Qf6 21.Ra1 Ra1 22.Ba1 h5 23.Qc3 Ng5 24.f4 (better is 24.Bb2=) 24...Nh3 (better is 24...Nh7=) 25.gh3+/– Qh4 (25...Qe6 26.Kf2 Qh3 27.Qc6 Qh2 28.Kf3 Qh3 29.Qa8 Bf8=) 26.Kh2 Qf6 27.Qa3 Qd6 28.Bc3 Kh7 29.Qa7 h4 30.Ne2 g5 31.Qc5 (31.Kg1 Bh6 32.f5+-) 31...Qc7? (better is 31...Qg6!? 32.e4 de4 33.Qe7 ed3+/–) 32.Kg2 gf4 33.Nf4 Kh6? (33...Bh6 34.Be1 e6+-) 34.Nd5 (better is 34.Be1 e6 35.Bh4+-) 34...Qg3-/+ 35.Kf1 Qh3 36.Ke2 Qg2 37.Ke1 h3?? (37...cd5 38.Qe7 h3 39.Qh4 Kg6–+) 38.Nf4+- (38.Qc6 e6 39.Qc7 h2 (39...ed5?! 40.Qf4 Qg5 41.Qf2-/+; 39...Qd5?! 40.Qf7 Qh1 41.Qf1 Qf1 42.Kf1=) 40.Qf4 Kg6 41.Qf6 Bf6 42.Nf4 Kf5 43.Ng2 h1Q 44.Kf2 Kg4–+; 38.Ne7?? h2 39.Qd6 Kh5 40.Qh2 Qh2–+) 38...Qg3 39.Ke2 Qg4 40.Kd2 (40.Kf2 h2 41.Qc6 Bf6=) 40...h2 41.Qc6 f6 (41...Bf6 42.Ne2 Qg1 43.Ng1 hg1Q 44.Qb5+-) 42.Qe4 (42.Ne2 Qg1 43.Ng1 hg1Q 44.Qb5 Qf2 45.Kc1 f5+-) 42...Qg1 (better is 42...f5 43.Qc6 Bf6+-) 43.Nh3?? (better is 43.Ne2+-) 43...Qb1?? (43...Qg3 44.Nf4 Qg1+-) 44.Qh4 Kg6 45.Nf4 (better is 45.Nf2 Qg1 46.Ke2+-) 45...Kf7= 46.Qh5 Kg8? (46...Kf8 47.Ng6 Kf7 48.Ne7 Ke7 49.Qc5 Kd7 50.Qb5 Kc7 51.Qc5 Kd7 52.Qf5 Kd6 53.Qf4 Kd7 54.Qf5 Kd6 55.Qc5 Kd7 56.Qa7 Kc8 57.Qa8 Kc7 58.Qa5 Kd7 59.Qd5 Kc7 60.Qc4 Kd6 61.Qa6 Kc7 62.Qa7 Kc8 63.Qa6 Kc7 64.Qc4 Kd6 65.Qc5 Kd7=) 47.Qd5= Kh7 48.Qh5 Kg8 49.Qe8 ½–½. djsdad – _jack_russell_, gameknot.com, 2019.

5.Nf3 d5=.

4.c4

4.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3).

4.c4 a5 5.b5 c5 6.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 c5).

4.c4 c6 5.Nf3 d5 6.d4 0-0 7.a4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.a4).

4.c4 0-0

5.Qb3 d6 6.d4 Nbd7 7.Nf3 Re8 8.Be2 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.Qb3 Re8).

5.b5 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.b5 0-0 5.e3).

5.d4 b6 6.Nf3 Bb7 7.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0).

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

5.d4 c6 6.Nf3 d6 7.Be2 Nbd7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

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

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

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

5.d4 d6 6.Nf3 b6 7.Be2 Bb7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4).

5.d4 d6 6.Nf3 c6 7.Be2 Nbd7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

5.d4 d6 6.Nf3 Nbd7 7.Be2 c6 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

5.d4 d6 6.Nf3 Bg4 7.Be2 Re8 8.0-0 Nbd7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7 8.0-0 Re8).

5.Be2 b6 6.d4 Bb7 7.Nf3 d6 8.Nbd2 Nbd7 9.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7 9.Nbd2).

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

5.Nf3 b6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6).

5.Nf3 b6 6.d4 Bb7 7.Be2 d6 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4).

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

5.Nf3 d5 6.c5 c6 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.c5).

5.Nf3 d6

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

6.Nc3 e5 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).

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

6.d4 b6 7.Be2 Bb7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4).

6.d4 c6 7.Be2 Nbd7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

6.d4 Nbd7 7.Be2 Re8 8.Qb3 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.Qb3 Re8).

6.Be2 Nbd7 7.0-0 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7).

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

6.Be2 e5 7.0-0 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0).

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

6.Be2 Re8 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).

4.c4 d5

5.c5 0-0 6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.a3).

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

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

4.c4 d6

5.d3 0-0 6.Be2 Nbd7 7.Nf3 e5 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Nbd7).

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

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

5.Nf3

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

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

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

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

5.Nf3 c6 6.d4 0-0 7.Be2 Nbd7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

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

4.Bc4 0-0

5.a3 d5 6.Ba2 b6 7.f4 Bb7 8.Nf3+= Nbd7 9.c4 dc4 10.Bc4 e6 11.Nc3 Ne4 12.0-0 Nc3 13.Bc3 Bc3 14.dc3 c5 15.Qe1 Qe7 16.e4 Rfe8 17.h4 Nf6 18.e5 Nd5 19.Ng5 h6 20.Ne4+= f5 21.Bd5+- fe4 22.Be4 Kg7 23.Bc2 Rad8 24.g4?? Qc7 25.h5?? Qc6–+ 26.Qg3 Rd2 (26...Rd2 27.Qf3 Qf3 28.Rf3 Bf3–+) 0–1. Kumala,Aleksander – Adamczyk,Robert, Polanica Zdroj op–D, 2007.

5.Ne2 b6 6.0-0 (6.e4 Nc6 (< 6...Ne4 7.Bg7 Kg7 8.Bd5 Nf2 9.Kf2+/–) 7.b5 Na5=+) 6...Bb7 (6...d5 7.Bb3=+) 7.a3 (7.d4 d5 8.Bd3 c5 9.dc5 bc5 10.bc5 Nbd7=) 7...Re8 (7...d5 8.Bb3=) 8.d4 d6 (8...d5 9.Bd3=) 9.Nd2 Nbd7 10.c3 (10.Bd3 e5=) 10...Ne4 (10...c5 11.Bd3=) 11.Bd3 (11.Ne4 Be4 12.Ng3 Bb7+=) 11...Nd2= 12.Qd2 e5 13.c4 Qg5 ( 13...ed4 14.ed4 d5=) 14.Ng3 (14.d5=) 14...h5?? ( 14...ed4 15.Rae1 de3 16.fe3 Ne5-/+) 15.f4 Qg4 16.Be2+/– Qe6 17.d5 Qe7 18.f5 Bh6 19.Qd3 Bc8? 20.fg6+- f6 21.Nf5 Qf8 22.Bh5 e4 23.Qe2 Ne5 24.Be5 de5 25.Nh6 Qh6 26.Rf6 Qg7 27.Rf7 Qh6 28.h4 Rf8 29.Rh7 Qh7 30.gh7 Kh7 31.Rf1 Bd7 32.Bf7 Ba4 33.Qh5 (33...Kg7 34.Qg6 Kh8 35.Qh6) 1–0. Christobal (1720) – the yid, internet, 2005.

5.Ne2 d5

5.Nf3 d5 6.Bb3 c6 7.0-0 Re8 8.h3 Ne4 9.Bg7 Kg7 10.c4 Be6 11.d3 dc4 12.dc4 Qd1 13.Rd1 Nd7 14.Nbd2 Nd2 15.Rd2 Nb6 16.Rc1 Red8 17.Rd8 Rd8 18.c5 Bb3 19.ab3 Nd5 20.Rd1 Rb8 21.Rd4 f6 22.e4 e5 23.Rc4 Nf4 24.b5 cb5 25.Rb4 a6 26.Ne1 Rd8 27.Nc2 Nd3 28.f3 Nb4 29.Nb4 Rd4 30.Nd5 a5 31.Ne7 Rd3 32.Kf2 Rb3 33.c6 bc6 34.Nc6 a4 0–1. Abdullaevich (1655) – Ariiijoon, lichess.org, 2017.

5.Nf3 d5 6.Bb3 c6 7.a4 Bg4 8.0-0 Nbd7 9.h3 Bh5 10.c4 e5 11.Qc2 (11.g4 Ng4 12.hg4 Bg4 13.d4-/+ (13.cd5?? e4 14.Nd4 Bd1 15.Rd1 Ne5-+)) 11...Bf3=+ 12.gf3 Qe7 13.Kh2 (13.Rc1 Rfc8-/+ (worse 13...Qb4 14.Ba3 Qa5 15.Bf8 Rf8 16.Nc3=)) 13...e4 (worse 13...Qb4 14.Ba3 Qa5 15.Bf8 Rf8 16.Nc3=) 14.f4 (14.cd5 cd5 15.fe4 de4-/+ (worse 15...Qe4 16.Qe4 de4 17.f3=)) 14...Qe6 (14...dc4 15.Bc4 Nb6-/+ (15...Qb4?! 16.Ba3 Qa5 17.Bf8 Rf8 18.Nc3=)) 15.cd5 cd5 16.Bf6 (16.Rc1 a5=+) 16...Nf6-/+ 17.Nc3 Rac8 18.Qd1 Rfd8 19.Qe2 Nh5 (19...Qe7-+) 20.f3? (better 20.Rac1=+) 20...Bc3-+ 21.dc3 Rc3 22.Ba2 ef3 23.Rf3 Rdc8 24.Bb1 Nf6 (better 24...Nf4 25.Qd2 Nh5-+) 25.f5?? (better 25.Bd3-+) 25...Qe5 26.Rg3 (26.Kg2 Rb3 27.Bc2-+) 26...Nh5!! 27.Qh5 (27.Qh5) 27...Qg3!! 28.Kg3 gh5 29.Kf4 (29.Kf2 Re8 30.Ba2 Re5-+) 29...Rc1 30.e4 (30.f6 Rf1 31.Ke5 Rcc1-+) 30...d4 31.e5 Kg7 (better 31...Re1 32.e6 d3-+) 32.f6 Kf8 33.Ke4 (33.Bf5 Ra1 34.Bc8 Ra4-+) 33...R8c4 (better 33...Rd1 34.b5-+) 34.Kd3 (34.Bd3 Ra1 35.Bc4 Ra4 36.Kd4 Rb4-+) 34...R1c3 (34...Rb4!? 35.a5-+) 35.Kd2 (35.Ke4 Re3 36.Kd5-+) 35...d3 (better 35...Rb4 36.Bc2 Rb2-+) 36.Bd3= Rd3 37.Kd3 Rb4 38.Kc3 a5 39.Kd3? (better 39.Ra2!?=) 39...Ke8-/+ 40.Rc1 (40.Re1 Ra4 41.Rb1 Rb4-+) 40...Kd7 (40...Ra4?! 41.Rc7=) 41.Rg1? (better 41.Rc4-/+) 41...Rb3?? (better 41...Ra4 42.Rg8 b6-+) 42.Kc2 (42.Ke4!?=) 42...Rh3-/+ 43.Rg7? (better 43.Rb1-/+) 43...Re3?? (better 43...Ke6-+) 44.Rf7+/- Ke6 (better 44...Ke8 45.Re7 Kf8+/-) 45.Rh7?? (better 45.Re7 Kd5 46.f7+- (46.Rb7?! h4+/-)) 45...Kf5?? (better 45...Re5 46.f7 Ke7-/+) 46.Rh5 (46.f7 Kg6 47.f8Q Kh7 48.Qf7 Kh8 49.Qh5 Kg8 50.Qg5 Kf7 51.Qe3 Ke6 52.Qf4 Ke7 53.Qf6 Kd7 54.Qd6 Kc8 55.e6 b5 56.Qd7 Kb8 57.e7 ba4 58.e8Q) 46...Ke6 47.Rh7?? (better 47.Rf5! Kf7 48.Kd2+-) 47...Re5= 48.Rb7 Kf5?? (48...Kf6 49.Kd3=) 49.Rb5?? (better 49.f7 Rc5 50.Kb3+-) 49...Kf6= 50.Kd3 Rb5 51.ab5 a4?? (better 51...Ke5=) 52.Kc3 (52.Kc3 Ke5 53.Kc4=) 1-0. BoooooomBaby (2275) - airah (2210), Rated Bullet game, lichess.org, 2019.

5.Nf3 d5

6.Bb3 a5 7.a3 a4 8.Ba2 Nbd7 9.0-0 e5 10.c4 c6 11.cd5 Nd5 12.Nbc3 N7f6 13.Nd5 Nd5 14.Qc2 Bf5 15.d3 e4 16.d4 Be6 17.Bc3 f5 18.g3 g5 19.Bd2 h5 20.Bd5 cd5 21.Rac1 Rc8 22.Qd1 Qd7 23.Kh1 Rc1 24.Qc1 Rc8 25.Qd1 h4 26.gh4 gh4 27.Nf4 Bh6 28.Rg1 Kh7 29.Rg2 Rg8 30.Rg8 Kg8 31.Qg1 Kh8 32.Qg6 Qg7 33.Qe8 Kh7 34.Qe6 Qg4 35.Qd5 Qf3 36.Kg1 Bf4 0–1. Abdullaevich – Kinguardian (1625), lichess.org, 2017.

6.Bb3 a5 7.b5 c5?? 8.a4=+ c4 9.Ba2 Nbd7 10.Nc3 (10.d3 Nb6=) 10...Nc5 11.Qe2 b6 (11...Bf5 12.Bb1-/+) 12.0-0 Bb7 (12...Nfe4 13.Ne4 Bb2 14.Nc5 Ba1 15.Ra1 bc5 16.e4-/+) 13.Nd4 (13.d3 e6=) 13...e6 (13...e5 14.Nf3 d4 15.ed4 ed4 16.Nd1-/+) 14.Ba3 Rc8 15.f4 Qd7 16.Qf2 Nfe4 17.Ne4 Ne4 (worse 17...de4 18.Bc4 Bd5 19.Bd5 Qd5 20.Rac1+=) 18.Qh4 Rfe8 19.d3 (better 19.Rad1!?=+) 19...Nc3-/+ 20.dc4 dc4 (20...Na2?! 21.Ra2 Rc4 22.Bb2-/+) 21.Nc6 (better 21.Qf2-+) 21...Bc6 22.bc6 Qc6 (worse 22...Rc6 23.Bb2 Ne2 24.Kf2-+) 23.Bb2 (23.Rfe1 Nd5 24.e4 Qa4-+) 23...Ne2 24.Kf2 Bb2 25.Rab1 Bc3 (25...Bg7 26.Ke2 Qa4 27.Rfc1-+) 26.Ke2 (26.Rbd1 Bg7 27.Ke2 Qg2 28.Qf2 Qc6-+) 26...Qg2 (better 26...Qa4 27.Bb3 cb3 28.cb3-+) 27.Rf2 Qd5 28.Rg1 Red8 29.Qe7 (29.f5-+) 29...Rd7 (29...Qh5 30.Rg4 Qg4 31.Rf3 Qg2 32.Rf2 Rd2 33.Ke1 Qf2) 30.Qg5-+ Rcd8 (better 30...Qe4 31.Qg2 Rd2 32.Kf1 Qc2 33.Rd2 Bd2-+) 31.Qd5 Rd5 (31...ed5 32.f5-+) 32.Kf3 (32.Bc4 Rd2 33.Kf3 Rf2 34.Kf2 Rd2 35.Kg3 Rc2 36.Bd3-+) 32...Rc5 33.Rfg2 Bf6 34.h4 (34.Rb1 Rc6-+) 34...Kf8 (34...Bh4!? 35.Rb1 Rc6 36.e4-+) 35.h5 gh5 36.Rg8 Ke7 37.Rd8 Kd8 38.Rg8 Kc7 (better 38...Ke7-+) 39.Rh8?? (better 39.Rf8 Kc6 40.Rf7-/+) 39...Bh8-+ 40.Bc4 (40.e4 b5-+) 40…Rc4 (40...Rc4 41.e4 h4-+) 0-1. BoooooomBaby (2110) - alifie (2375), Rated Bullet game, lichess.org, 2019.

6.Bb3 Na6 7.a3 c6 8.0-0 Bg4 9.d3 Qc7 10.h3 Be2 11.Qe2 c5 12.b5 Nb8 13.a4 Nbd7 14.Nd2 e5 15.Rab1 Rac8 16.f4 ef4 17.Rf4 Rfe8 18.Rbf1 Bh6 19.Bf6 Bf4 20.Bb2 Be3 21.Kh1 d4 22.Bf7 Kh8 23.Be8 Re8 24.Nc4 Ne5 25.Ne3 de3 26.Qe3 Kg8 27.Be5 Qe5 28.Qe5 Re5 29.Kg1 b6 30.Kf2 Kf8 31.Re1 Rf5 32.Ke3 Kf7 33.c3 Kf6 34.Re2 Ke5 35.Kd2 Kd5 36.c4 Kd6 37.g4 Rf3 38.Re3 Re3 39.Ke3 Ke5 40.h4 h6 41.Kd2 Kf4 42.h5 Kg4 43.hg6 h5 44.g7 h4 45.g8Q Kh3 46.Ke2 Kh2 47.Kf2 h3 48.Qg2 hg2 0–1. Abdullaevich (1630) – valicero, lichess.org, 2017.

6.Bb3 Re8 7.d3 e5 8.Nd2 a5 9.ba5 Nc6 10.Nf3 Bg4 11.h3 Bf3 12.gf3 Na5 13.f4 Nb3 14.ab3 ef4 15.Nf4 Qd6 16.Kd2 c5 17.Qf3 b5 18.Ra8 Ne4 19.Ke2 Ra8 20.Bg7 Ng5 21.Qg4 f6 22.Bh6 Ra2 23.Bg5 Rc2 24.Kf3 fg5 25.Qg5 Kf7 26.Qd5 Qd5 27.Nd5 Rb2 28.Rc1 Rb3 29.Rc5 Rd3 30.Rb5 Kg7 31.Rb7 Kh6 32.Nf6 Kg5 33.Nh7 Kh4 34.Rg7 Kh5 35.Nf8 Kh6 36.Rg6 Kh5 37.Ke4 Ra3 38.f4 Ra4 39.Kf3 Ra8 40.Rg5 Kh6 41.Ne6 Ra2 42.Kg4 Rg2 43.Kf5 Re2 44.e4 Re3 45.e5 Rh3 46.Rg6 Kh7 47.Ng5 Kh8 48.Nh3 Kh7 49.Ng5 Kh8 50.Kf6 ½–½. Abdullaevich (1755) – fedebruno (1845), lichess.org, 2015.

4.d3 0-0

5.c4 d6 6.Nd2 Nbd7 7.Be2 c5 8.bc5 Nc5 9.Ngf3 Bd7 10.Nd4 Na4 11.Rb1 Nb2 12.Rb2 b6 13.0-0 e5 14.N4f3 Qc7 15.Rc2 Bc6 16.Rc1 Rac8 17.g3 Qb7 18.e4 Rfd8 19.Nh4 Bd7 20.Bf3 Be6 21.Bg2 Nd7 22.Bh1 Nc5 23.Ndf3 Qd7 24.Ng5 Bg4 25.Bf3 Bf3 26.Qf3?? Rf8?? 27.Qg2? Qe7 28.Ngf3 Nd3 29.Rcd1 Nc5 30.Qh3? Ne4 31.Ng2 Rc4 32.Qg4 Rfc8 33.Nfh4 Nc3 34.Qf3 Nd1 35.Qd1 Qc7 36.Qf3 Rc1 37.h3 Rf1 38.Kf1 Qc1 39.Ne1 Qc6 40.Qg4 Qc4 41.Qc4 Rc4 42.Kg2 d5 43.Nhf3 Rc1 44.Nd3 Ra1 45.Nde5 Be5 46.Ne5 Ra2 47.Nd7 d4 48.Nf6 Kg7 49.Ne8 Kf8 50.Nf6 d3 51.Nh7 Kg7 52.Ng5 d2 53.Nf3 d1Q 54.Ne5 Qd5 55.Kg1 Qe5 56.Kg2 Qe4 57.Kg1 Qf3 58.Kh2 Qf2 59.Kh1 Ra1# (59...Qe1#) 0–1. sunnyda – taszer (1680), kurnik, 2012.

5.Nd2 Na6 6.a3+= (6.b5 Nb8 7.e4 d5 8.Ngf3 a6 9.a4 c5 10.e5 Nh5 11.Nb3+=) 6...c5 7.bc5 Nc5 8.Bf6 Bf6 9.d4 Ne6 10.Ngf3 b6 11.Bd3=.

5.Nd2 c6 6.Ngf3 d5 7.Be2 Bg4 8.0-0 Qc7 9.h3 Bf3 10.Nf3 Nh5 11.Bg7 Ng7 12.c4 e6 13.Qb3 a6 14.a4 Nd7 15.b5 (15.d4+=) 15...c5 (better is 15...cb5!? 16.cb5 Rfc8=) 16.cd5+/– ed5 17.Qd5 Nf5 18.ba6 Ra6 19.d4 Rd6 20.Qc4 Rc8 21.Rfc1 Rc6 22.d5 Rd6 23.Nd4! Nd4 24.ed4 Nf6 25.dc5 Rd5 26.Bf3 Rc5 27.Qc5 Qc5 28.Rc5 Rc5 29.Bb7 Rc2? 30.a5+- Ne8 31.a6 Nd6 32.a7 Nb7 33.a8Q (33.a8Q Kg7 34.Qb7+-) 1–0. capitanjack – deli1, kurnik, 2012.

5.Nd2 d5 6.Ngf3 Nbd7 7.Be2 Re8 8.0-0 e5 9.a3 Qe7 10.c4 e4 11.Ne1=.

5.Nd2 d6 6.g3 (6.Ngf3 Na6+= (6...a6 7.Be2 Nbd7 8.0-0 c5 9.bc5 dc5 10.a4 b6 11.Nc4=) 7.b5 Nb8 8.Be2 a6 9.a4 c6 10.bc6 Nc6 11.0-0=; 6.Be2 Nd5 7.Bg7 Kg7 8.Qb1 e5 9.c4 Nf6 10.Ngf3 a5 11.ba5=) 6...e5 (6...Na6!?-/+ 7.a3 c5 8.bc5 Nc5 9.Bf6 Bf6 10.d4 Na4 11.c4+=; 6...c6 7.Ngf3 a5 8.ba5 Qa5 9.Bg2 e5 10.0-0 Bg4 11.Nb3=) 7.Bg2+= c6 (7...Nc6 8.a3+= (8.b5 Ne7 9.Ne2 Qd7 10.c4 a6 11.a4=) 8...a5 9.b5 Na7 10.c4 c6 11.a4=; 7...a5 8.b5 c6 9.c4 a4 10.Ngf3 cb5 11.cb5+=) 8.Ne2 (8.Ngf3 a5+= 9.a3 Be6 10.0-0 ab4 11.ab4=) 8...Be6 (8...Bg4 9.0-0+= a5 10.a3 ab4 11.ab4+=; 8...a5 9.ba5 Qa5 10.0-0 Bg4 11.Nb3=) 9.0-0= Nbd7 (9...a5 10.ba5 Qa5 11.c4+=) ½–½. Mijic,Slobodanka (2035) – Stankovic,Tatjana (2005), Belgrade New talents (Women), 1999.

5.Be2 A) 5...d5 6.Nf3 Qd6 7.a3 a5 8.b5 Nbd7 9.0-0 Rd8 10.c4 dc4 11.dc4=; B) 5...Na6 6.a3 (6.b5 Nc5 7.Nf3 a6 8.a4 d5 9.0-0 Bg4 10.Nbd2 Re8 11.d4=) 6...c5 7.bc5 Nc5 8.Nf3 d6 9.0-0 Bg4 10.c4 Qb6 11.Bf6=; C) 5...c6 6.a3 (6.Nf3 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6 10.Bf6 Bf6 11.c3=) 6...b6 7.Nf3 a5 8.0-0 ab4 9.ab4 Ra1 10.Ba1 d5 11.c4=; D) 5...a5 6.b5 c6 7.bc6 Nc6 8.Nf3 d5 9.Nc3 a4 10.Rb1 a3 11.Bc1=.

5.Nf3 a5 6.b5 c6 7.Nc3 a4 8.Rb1 Qa5 9.Qd2 cb5 10.Ba3 Nc6 1.Rb5=.

5.Nf3 d5 6.Be2 Qd6 7.a3 Bg4 8.Be5 Qb6 9.0-0 Nbd7 10.d4 Bf3 11.Bf3=.

5.Nf3 d6 6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.d3).

5.Nd2 a5

6.ba5 Ra5 7.Be2 Nc6 8.Ngf3 b6 9.Nc4 Ra8 10.0-0 Ba6 11.Nce5 Ne5 12.Be5 d6 13.Bb2 c5 14.d4 c4 15.Nd2 d5 16.Nf3 b5 17.Ne5 Nd7 18.Nc6 Qe8 19.Nb4 Bb7 20.a4 ba4-/+ 21.c3 Nb6 22.Ba3 f5 23.Nc2 Rf6 24.g3 Rc6 25.Bf3 e6 26.Nb4 Rcc8 27.Nc2 Qc6 28.Rb1 Nd7 29.Nb4 Qc7 30.Nc2 Nf6 31.Bg2 Ne4 32.Bb4 a3 33.Na3 Ra3 34.Ba3 Nc3 35.Qc2 Nb1 36.Rb1 c3 37.Bc5= Ba6 38.Qc3 Bc4 39.Rb6?? Qc5!!–+ 40.Re6 Qb5 41.h3 Qb1 42.Kh2 Qd3?? 43.Qa5? Qe2–+ 44.Qa7 Qf2 45.Re7 (45.Re7 Bf6 46.Rh7–+). sunnyda – mietz, kurnik, 2012.

6.ba5 Ra5 7.Ngf3 Nc6 8.Be2 d6 9.0-0 Be6 10.c4 d5 11.Ng5 dc4 12.Ne6 fe6 13.Nc4 Ra7 14.Qb3 Qa8 15.Ne5 Nd5 16.Nc6 bc6 17.e4?? (17.Bg7!? Rb8 18.Qc2 Kg7+-) 17...Nf4?? (better is 17...Rb8 18.d4 Rb3 19.ab3 Nb4–+) 18.Bg7 Ne2 19.Kh1 Kg7 20.Qb2 e5 21.Qe2 Rd8 22.Qb2 Rd4 23.Qb3 Rb7 24.Qe6 Qf8 25.Qe5 Qf6 26.Qc5 Rd3 27.a4 Qd6 28.Qc2 Rbb3 29.a5 Rbc3 30.Qb2 Kh6?? 31.a6 Rb3 32.Qc1 Kg7 33.a7 Rbc3 34.Qc3!! Rc3 35.a8Q Qd4 36.Qe8 Qf6 37.Qd8 Qd6 38.Qb8 Rc4 39.Qb2 Kf7 40.Qb3 Qe6 41.Ra7 Qe4 42.Rc7 Qe2 43.Kg1 h5 44.Rc1 1–0. sunnyda – mietz, kurnik, 2012.

6.ba5 d6 7.Ngf3 e5 8.Be2 Ra5 9.0-0 Nc6 10.Nb3 Ra7 11.c4=.

6.b5 Re8 7.Ngf3 a4 8.Be2 a3 9.Bc3 d5 10.0-0 c5 11.d4.

4.d3 d6

5.Nf3 e5 6.Be2 Be6 7.Nbd2 c6 8.a4 0-0 9.0-0 h6 10.h3 Nbd7 11.c4 b6 12.Qc2 c5 13.b5 a5 14.Rfe1 Nh7 15.Nf1 Qe7 16.Ng3 f5 17.e4 f4 18.Nf1 Rf6 19.N1d2 Raf8 20.Bf1 R8f7 21.Ba3 g5 22.Bb2 Rg6 23.Kh1 g4 24.hg4 Bg4 25.Be2 Bf3 26.Nf3 Ng5 27.Rg1 Nf3 28.Bf3 Qh4 0–1. eliton – spimar, kurnik, 2012.

5.Nf3 e6 6.Be2 h6 7.b5 g5 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 c6 12.h3 cb5 13.cb5 Bd7 14.d4 Nd5 15.Rg1 Qa5 16.Bc3 Nc3 17.Nc3 Qc3 18.Kf1 Qb4 19.h4 Bb5 20.Bb5 Qb5 21.Ke1 0-0 22.hg5 h5 23.Nh4 Qg5 24.Nf3 Qg6 25.Kf1 e5 26.Nh4 Qh7 27.Qf3 Rc8 28.g3 e4 29.Qf4 Rc6 30.Nf5 Bh6 31.Nh6 Kf8 32.Nf5 Qg6 33.Kg2 d5 34.Nh4 Qd6 35.Qf5 Nd7 36.Qh7 Nf6 37.Qh8 Ng8 38.Qh5 Qf6 39.Qd5 Nh6 40.Qd7 Ng4 41.Nf5 Nf2 42.Qe7 Qe7 43.Ne7 Ke7 44.Kf2 Rc2 45.Kf1 Kd6 46.Rg2 Rg2 47.Kg2 b6 48.Kh3 b5 49.Kg2 b4 50.Kf1 Kd5 51.Ke1 Kc4 52.Kd2 b3 53.Kc1 Kd3 54.Kb2 Ke3 55.d5 Kf3 56.d6 e3 57.d7 e2 58.d8Q e1Q 59.Qf6 Kg3 60.Qg5 Kf2 61.Qf5 Kg2 62.Qg5 Qg3 0–1. eliton – hck2, kurnik, 2012.

5.Nf3 Bg4 6.Be2 Bf3 7.Bf3 c6 8.c4 e5 9.Nd2 0-0 10.0-0 Qe7 11.h3 Nbd7 12.Qc2 d5 13.c5 Rac8 14.a4 b6 15.e4 bc5 16.ed5 cd5 17.b5 Rb8 18.Rfe1 Qd6 19.Bg4 a6 20.Bd7 Nd7 21.Nf3 ab5 22.ab5 Rb5 23.Ba3 Qc7 24.Rab1 Rfb8 25.Rb5 Rb5 26.Rb1 Rb1 27.Qb1 h6 28.Kh1 c4 29.dc4 dc4 30.Qc2 Qc6 31.Be7 e4 32.Nd2 c3 33.Ne4 Qe6 34.Bb4 Qc6 35.Bc3 Bc3 36.Nc3 Nf6 37.Qd3 Kg7 38.Ne2 Qe4 39.Qa6 Nd5 40.Ng3 Qe1 41.Kh2 Nf4 42.Qc4 Qf2 43.Qc3 Kh7 44.Qf3 Qf3 45.gf3 g5 46.Nf5 Kg6 47.Ne7 Kf6 48.Nc6 Kg7 49.Ne5 f5 50.Nc4 Kg6 51.Nd6 h5 52.Ne8 Ne2 53.Nd6 h4 54.Kg2 Ng3 55.Nc4 Kf6 56.Ne3 Ke5 57.Nc4 Kd4 58.Nb6 Ne2 59.Kh2 Ke3 60.Kg2 Nf4 61.Kh2 Kf3 62.Nd7 g4 63.hg4 fg4 64.Kh1 h3 65.Kh2 g3 66.Kg1 h2 67.Kf1 g2 68.Ke1 h1Q 69.Kd2 Qf1 70.Kc2 Qe2 71.Kb3 Qe4 72.Kb2 Ne2 0–1. eliton – miziii, kurnik, 2012.

4.Bd3 0-0

5.a4 a6 6.Nf3 b6 7.c4 Bb7 8.0-0 d6 9.b5 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.Nc3 Nc5 13.Be2 Qa8 14.d4 Nce4 15.Ne4 Ne4 16.d5 Nc3 17.Bc3 Bc3 18.Ng5 Bc8 19.Bf3 h6 20.Ne4 Bg7 21.h3 Bf5 22.Ng3 Qa2 23.e4 Bd7 24.Qd3 Qb2 25.Ne2 Ra8 26.Rb1 Qa3 27.Qa3 Ra3 28.Ng3 Kf8 29.Rc1 e6 30.Rc2 Ra1 31.Kh2 ed5 32.ed5 Be5 33.Re2 Rc1 34.Re4 f5 35.Rh4 Kg7 36.Be2 f4 37.Nh5 gh5 38.g3 fg3 39.fg3 Rc2 40.Re4 Bf5 41.Re3 Kg6 42.h4 Bg4 43.Re5 de5 44.Kg1 Re2 45.Kf1 Rc2 46.Ke1 Rc4 47.Kf2 Rc5 48.Ke3 Rd5 49.Ke4 Rb5 50.Ke3 Rd5 51.Ke4 Rd6 52.Ke5 b5 53.Ke4 b4 54.Ke5 b3 55.Ke4 b2 56.Ke3 b1Q 57.Kf4 Qb4 58.Ke3 Rd4 0–1. riditko – vivapol, kurnik, 2012.

5.Nf3 d6 6.Be2 e5 7.c4 Nc6 8.d3 Nb4-/+ 9.a3 Na6 10.Nbd2 Ne8 11.0-0 f5 12.Qb3 Kh8 13.Rab1 Nc5 14.Qc2 g5 Black prepares the advance f4 15.d4 Nd7 16.de5 de5 17.g3 (17.Rfd1 g4 18.Ne1 b6+=) 17...f4 (17...g4 18.Ne1-/+) 18.ef4 (18.Ne4 h6=) 18...gf4 (18...ef4 19.Ne4 h6 20.Rbd1+=) 19.Ne4 Qe7 20.Rbd1 Nc5 (20...fg3 21.hg3 Nd6 22.Rfe1+=) 21.Nc5= Qc5 22.Rd5 Increases the pressure on the backward pawn 22...Qc6 (22...Qe7 23.Ne5 Be6 24.Rd2=) 23.Be5 Bh3 24.Bf4 (better is 24.Rfd1!? Bf5 25.Qb2 fg3 26.hg3+=) 24...Bf1+= 25.Bf1 Nf6 26.Rg5?? (better is 26.Ne5 Qe8 27.Rb5+=) 26...Qf3–+ 27.Bg2 Qa3 28.Bb7 Rae8 29.Kg2 Bh6 30.Rf5 Bf4 31.Rf4 Qd6 32.Qb3 Nh5 33.Qc3 Rf6 (33...Ng7 34.c5 Qe6 35.Re4–+) 34.Rh4?? (better is 34.Rf5 Rb8 35.Be4+=) 34...Re5 35.Bd5 Rg5 36.Qd3 c6 (36...c6 37.Qe3 Nf4 (37...cd5?! 38.Qg5 Ng7 39.Qd5-/+) 38.Kf1 cd5 39.Rf4 Rf4 40.gf4 Rf5 41.cd5 Rd5–+) 0–1. sunnyda – solaris8 (1630), kurnik, 2011.

5.Bf6 Bf6 6.c3 d5 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 c6 10.g4 Nd7 11.a4 a6 12.h4 e5 13.g5 Bg7 14.Qh3 e4 15.h5 Ne5 16.hg6?? Nd3–+ 17.Ke2 fg6 18.Qh7 Kf7 19.Qh4 Rh8 20.Qg4 Rh1 21.f3 Re1# 0–1. Pumphut – Sanji, Hauptsache SPASS, 2003.

5.h3 d6 6.Nf3 b6 7.c4 Bb7 8.b5 Nbd7 9.a4 a6 10.0-0 ab5 11.ab5 Nc5 12.Ra8 Ba8 13.Be2 Re8 14.d4 Ncd7 15.d5 Bb7 16.Nc3 Nc5 17.Na4 Na4 18.Qa4 Bc8 19.Ra1 Bf5 20.Nh4 Bd7 21.f4 e6 22.Bf3 ed5 23.Bd5 Re3 24.Nf3 Nd5 25.Bg7 Kg7 26.cd5 Re8 27.Qc4 Qf6 28.Ra7 Qb2 29.Rc7 Bb5 30.Qd4 Qd4 31.Nd4 Bd3 32.Rc6 Rd8 33.Rb6 Be4 34.Rb5 Rc8 35.Ne2 Bd3 36.Rb2 Be2 37.Re2 Rc1 38.Kh2 Rd1 39.g4 Rd5 40.Kg3 h6 41.Re3 Kf6 42.Kf3 Rd1 43.Ke4 d5 44.Kf3 d4 45.Re5 d3 46.g5 hg5 47.Rg5 Rh1 48.Rd5 Rh3 49.Ke4 Ke6 50.Rd3 Rd3 51.Kd3 Kf5 52.Ke3 Kg4 53.Ke4 f6 54.Ke3 f5 55.Kf2 Kf4 56.Kg2 g5 57.Kf2 g4 58.Kg2 g3 59.Kg1 Kf3 60.Kh1 Ke2 61.Kg1 f4 62.Kg2 f3 63.Kg3 f2 64.Kf4 f1Q 65.Ke5 Qf3 66.Kd6 Qe4 67.Kc5 ½–½. riditko – contele2100, kurnik, 2012.

5.h4 Nc6 6.a3 e5 7.Nf3?? e4–+ 8.Be4 Ne4 9.Bg7 Kg7 10.h5 h6 11.hg6 fg6 12.Nc3 Nc3 13.dc3 Qf6 14.Qe2?? Qc3 15.Nd2 Qa1 16.Qd1 Qd1 17.Kd1 Rf2 18.Ne4 Rg2 19.Rf1 d5 20.Nc5 Bg4 21.Ke1 Re2 22.Kd1 Re3 23.Kd2 Re2 24.Kc3 d4 25.Kd3 b6 26.Ne4 Re8 27.Rf4 Re3 28.Kc4 Rc3! 29.Kd5 Re5# (29...Be6#) 0–1. aleksandras19 – dobrodruch, kurnik, 2012.

4.d4 0-0

5.a3 Re8 6.Nf3 Ne4 7.c4 c6 8.Bd3 d5 9.c5 Bg4 10.Nbd2 Nd2 11.Qd2 Nd7 12.h3 Bf3 13.gf3 Nf6 (13...e5 14.Be2=+) 14.Rg1 a5 15.h4 ab4 16.ab4 Ra1 17.Ba1 Qa8 18.Bc3 Qa3 (18...Qc8 19.Rh1=+) 19.e4 (19.Kf1!?+=) 19...de4 20.fe4 Ra8 21.Bb2 (21.Qb2 Qa7=) 21...Qa2 ( 21...Qb3 22.Ke2 Ra2-/+) 22.d5? ( 22.Kf1!?=) 22...cd5 (22...Ne4 23.Be4 Bb2 24.Kf1 Qc4 25.Qd3 Qb4 26.dc6 bc6 27.Bc6–+) 23.ed5 Nd5 ( 23...Qd5 24.Be2 Qe4–+) 24.h5?? ( 24.Bg7 Kg7 25.Qa2 Ra2 26.Bc4 Ra1 27.Kd2 Rg1 28.Bd5-/+) 24...Qb2 25.Qb2 Bb2 26.hg6 Ra1 27.Ke2 Rg1 28.gh7 Kh8 (29.Be4 Nc3 30.Kd3 Ne4 31.Ke4 Ba3–+) 0–1. slavisa10 – Thalassa, Live Game Caissa's Web, 2004.

5.b5 d5 6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nc3 Ne4 (10...Qa5!?-/+) 11.Ne4= de4 12.Nd2 f5 (12...Qa5 13.Be2=) 13.Bc4+= e6 14.0-0 cb5 15.Bb5 Qa5 (15...Bd7 16.Be2+=) 16.Be2 Nc6 17.Nc4 (17.Nb3 Qc7 18.Qd2+=) 17...Qb4 (17...Qd8!?+=) 18.c3 (18.Bb2 Rd8+-) 18...Qe7 (18...Qb5 19.Qc2+-) 19.Bb2+- Rd8 20.Qb3 Qc7 21.Ra1 Bf8 (21...Bd7 22.Nb6+-) 22.Nb6 Bd6 (22...Kf7 23.c4+-) 23.g3 Kg7 (23...Be7 24.c4+-) 24.Nc8 (24.c4 Kh6+-) 24...Qc8 25.c4 Kh6 26.Bc3 Bc7 (26...Qd7 27.c5 Bb8 28.Bc4+-) 27.Kg2 Re8 28.c5 (28.Qb2 Qb8+-) 28...g5 29.Qb5 Re7 30.h4 g4 31.Bc4 Bb8 32.Rb1 Kg6 33.Qb3 h5 (33...Qd7 34.Be6 Re6 35.Qb7 Qb7 36.Rb7+-) 34.Qa4 Ba7 (34...Bc7 35.Qb5 Bd8 36.Ra1+-) 35.Rb5 Qc7 (35...Kh7 36.d5 ed5 37.Bd5+-) 36.Qa2 (36.Qb3 Qd7+-) 36...Qc8 (36...Qd7 37.Qb3+-) 37.Qb3 Bb8? (37...Nd8+-) 38.Be6! Qe6 (38...Qe6 39.d5 Double attack (39.d5 Decoy; 39.d5 Passed pawn); 38...Re6 39.d5 Double attack (39.d5 Decoy; 39.d5 Passed pawn)) 39.d5 Qd7 (39...Qf7 40.dc6 Qb3 41.Rb3 Rc7+-) 40.dc6 Qc6 (40...Qe6 41.Qe6 Re6 42.cb7 Kf7+-) 41.Qg8 Kh6 42.Qg5 (42.Qg5 Kh7 43.Qe7 Kg6 44.Qg7) 1–0. DEFFM – IronHard, freechess.org, 2019.

5.Bd3 a5 6.c3 ab4 7.cb4 c6 8.e4 d5 9.e5 Ng4 10.h3 Nh6 11.Qf3 (11.Nf3 Bf5=) 11...Bf5 12.Nd2 Qb6 13.a3 Na6 14.Nb3 Be4 15.Be4 de4 16.Qe4 e6 (better is 16...Nb4!? 17.Nc5 Nd5+=) 17.Nf3+/– Nf5 18.0-0 Rfd8 19.g4 Ne7 20.Rac1 Nd5 21.Nfd2 Bh6 22.Nc4 Qb5 23.Rc2 Nab4 (better is 23...Qa4!? 24.Nc5 Nc5 25.dc5 Qb3+=) 24.ab4+- Qb4 (24...Nb4 25.Na3 Qb6 26.Re2+-) 25.Nc5 Ra2 26.Qf3 b5 (26...b6 27.Nb7 Rd7 28.Nbd6+-) 27.Ba3 Rc2 28.Bb4 Rc4 29.Nb7?? (29.Ba5 Ra8 30.Bb6 Rd4 31.Ne6 Rc4+-) 29...Rb8?? (better is 29...Rd7+=) 30.Nd6 Rb4 31.Qf7 Kh8 32.Qe6 (32.Qa7 Rf8 33.Nf7 Rf7 34.Qf7 g5 35.Qe8 Kg7 36.Qe6 Rd4 37.Qc6 Nf4 38.Qf6 Kg8 39.Qh6 Kf7+-) 32...Rd4 (32...Bf8 33.Rd1 Be7 34.Nc8+-) 33.Ra1 (better is 33.Nf7 Kg7 34.g5 (34.Nh6?! Kh6 35.f4 Rf8+-) 34...Bg5 35.Ng5+-) 33...Bg5?? (33...Bf8+-) 34.Nf7 (34.Nf7 Kg7 35.Ng5+-) 1–0. jaortiz (2275) – croach (2265), net–chess.com, 2014. (=1.d4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0)

5.Bd3 d5 6.Nf3 Bg4 7.Nbd2 Ne4 ( 7...Qd6 8.a3 a5=) 8.Ne4+/– de4 9.Be4 c6 10.h3 Be6 11.Qe2 Bd5 12.Bd3 f5 13.0-0 Nd7 14.c4 Bf3 15.Qf3 (15.gf3?! e5=) 15...e5 16.Qe2 ed4 17.Bd4 Bd4 18.ed4 Re8 19.Qf3 ½–½. Amor Alcaide,Manuel – Bautista Sanchez,Joan (2160), Lillet op, 1999.

5.Nf3 a5 6.a3 d6 7.c4 Nbd7 8.Nbd2 Re8 9.Qc2 (9.Be2 e5=) 9...e5 10.de5 de5 11.c5 c6 (11...e4 12.Nd4=) 12.Nc4 e5 seems the pivot of the position 12...e4 13.Nd4 ab4 14.ab4 Ra1 15.Ba1 Nd5 16.Nd6 Rf8 (better 16...Re7 17.Qd2 N7b6+=) 17.Qb3?? (17.Qd2 N7f6+/-) 17...Qe7?? (better 17...Nc5 18.bc5 Qa5 19.Ke2 Qa1 20.Ne4 Bd4 21.ed4 Re8-+ (worse 21...Qd4 22.Nd6 Be6 23.Ke1-+)) 18.Bc4 (18.N4f5 gf5 19.Bg7 Rd8+/-) 18...N7f6 19.0-0 h5 (19...Rd8 20.b5 Rd6 21.cd6 Qd6 22.bc6 bc6 23.Rb1+/-) 20.Bb2 h4 21.Ra1 (21.b5 Qc7+-) 21...h3+/- 22.g3 Nh7 (22...Rd8 23.b5 Nd7 24.Ra8+-) 23.Ra8 Be6 24.Rf8 Kf8 25.Ne4 Ng5 26.Ng5 Qg5 27.Ne6 fe6 28.Bg7 (28.e4 Bb2 29.Qb2 Qf6 30.Qf6 Nf6 31.Be6 Ne4 32.Bh3 Nc3+-) 28...Kg7 29.Bd5 (29.f4 Qg4+-) 29...ed5+/- 30.Qc3 Kf7 31.Qd4 Qf5 32.Qf4 Qf4 33.gf4 (33.ef4?! Ke6+/-) 33...Ke6 34.Kf1 Kf5 35.Ke2 Ke4 36.f3 Kf5 37.Kd3 Kf6 38.Kd4 (better 38.e4+-) 38...Ke6 (38...Kf5 39.Kc3 Kf6+-) 39.e4 de4 40.fe4 Kf6 41.e5 (41.Ke3 Ke6 42.Kf3 g5+-) 41...Kf7 (41...Kf5 42.Kc4 g5 43.fg5 Ke5+-) 42.Ke4 Ke6 43.f5! gf5 44.Kf4 Ke7 (44...Kd5 45.Kf5 Kc4 46.Ke6+-) 45.Kf5 Kf7 46.e6 Ke7 47.Ke5 Ke8 48.Kd6 Kd8 49.e7 Ke8 50.Kc7 (50.Ke6 b6 51.cb6 c5 52.b7 cb4 53.b8Q) 50...Ke7+- 51.Kb7 Kd7 52.Kb6 Ke6 53.Kc6 Ke5 54.b5 Kf4 55.b6 (55.b6 Ke4 56.b7 Ke3 57.Kd5 Kf3 58.c6 Kf4 59.b8Q Kf3 60.c7 Kf2 61.c8Q Kf3 62.Qg3 Ke2 63.Qc2 Kf1 64.Qcd3) 1-0. cipiripi (2240) - piongu (2355), Rated Blitz game, lichess.org, 2015.

5.Nf3 b5 6.Bb5+/– c6 7.Be2 d5 8.a3 a5 9.b5 Nbd7 10.bc6 Nb6 (10...Nb8 11.Ne5 Qb6 12.Nc3+/–) 11.0-0 Nc4 12.Bc4 dc4 13.Nbd2 (13.Ne5+-) 13...Bg4? (better is 13...Ba6!?+/–) 14.Nc4+- Bf3 (14...Be6 15.Nce5+-) 15.Qf3 (15.gf3?! Rc8+-) 15...Rb8 16.Rab1 Qd5 (16...Rb5 17.e4+-) 17.Qd5 Nd5 18.Na5 Ra8 19.Nb7 Rae8 (19...Rfc8 20.c4 Nb6 21.Rfc1 Rc6 22.c5+-) 20.c4 e5 (20...Nb6 21.Rfc1 Na4+-) 21.cd5 ed4 22.Bd4 Re4 23.Bg7 Kg7 24.Rfc1 h5 25.c7 Rc8 26.d6 Re5 27.d7 Rc7 28.Rc7 Rd5 29.Rbc1 Rd7 30.Rd7 Kh6 (30...Kg8 31.Nd6 Kg7 32.Rf7 Kh6 33.Nf5 gf5 34.Rc6 Kg5 35.Rg7 Kh4 36.Rc4 f4 37.Rf4#) 31.Rf7 h4 32.f4 g5 33.Rc6 Kh5 34.h3 g4 (34...gf4 35.Rf5#) 35.Rf5# 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.a3 a5

6.b5 a4 7.c4 d5 8.Nc3 dc4 9.Bc4 e5 10.Na4 ed4 11.Bd4 c5? (11...Ne4 12.Ne2 Bd4 13.ed4+= (worse 13.Nd4 c5-/+)) 12.bc6?? (better 12.Nc5 Qe7 13.Qb3+-) 12...Nc6= 13.Nc3 (13.Ne2 Nd4 14.ed4 Qa5 15.Nac3 Ne4=) 13...Nd4=+ 14.ed4 (14.Qd4? Ne4 15.Qg7 Kg7 16.Ne4 Ra4-+) 14...Re8 (14...Qd6!? 15.Qd2 Re8 16.Nge2 Qc6=+) 15.Nge2= Ne4 Attacks the isolani on d4 16.0-0 (16.Ne4!? Re4 17.0-0=) 16...Nc3=+ 17.Nc3 Qd4 18.Qb3? (better 18.Qd4 Bd4 19.Rac1=+) 18...Qc3-+ 19.Bf7 Kf8 20.Qc3 Bc3 21.Be8 Ba1 22.Bb5? (better 22.Bg6 Ra3 23.Bh7-+) 22...Ra3 23.Re1 Bc3 (better 23...Bf5-+) 24.Re8=+ Kf7 25.Rc8 Ra1 26.Bf1 Be5 27.Rd8 b6 (27...Ke6 28.g3=+) 28.Rd7 Kf6 29.Rh7 Bd4 30.Rb7 Bc5 31.g3 Ra2 (31...Rc1=+) 32.Kg2 (better 32.Rf7! Ke5 33.Bd3=) 32...Rf2-/+ 33.Kh3?? (better 33.Kg1-/+) 33...Rf1-+ 34.Rb8 (34.Kg4 Rb1-+) 34...Kg7 (34...Rf2 35.Rc8-+) 35.Rb7 Rf7 36.Rb8 Re7 (36...Rf2 37.Rd8-+) 37.g4 (37.Kg4 Kf6-+) 37...Kh7 (37...Re3 38.Kg2 Re2 39.Kg3 Bd6 40.Kf3 Bb8 41.Ke2 Bh2 42.Kd3-+) 38.Kh4 Rg7 (38...Re5 39.Kg3-+) 39.h3 (39.g5 Re7-+) 39...Be7 (better 39...Rc7 40.Ra8 b5-+) 40.Kg3 (40.g5 Bc5 41.Kg4-+) 40...Bd6 41.Kg2 Bb8 42.h4 g5 (42...b5 43.Kf1-+) 43.h5 Kh6 44.Kh3 (44.Kf2 Re7 45.Kg1 b5 46.Kf2 b4 47.Kf1 b3 48.Kg1 b2 49.Kf1 b1Q 50.Kf2 Qc2 51.Kf1 Rf7 52.Ke1 Bg3) 44...Rf7 (44...b5 45.Kg2 b4 46.Kf2 b3 47.Kg2 Rf7 48.Kg1 b2 49.Kg2 b1Q 50.Kh3 Qf1) 45.Kg2 Rf4 (45...b5 46.Kh1 b4 47.Kg1 b3 48.Kg2 b2 49.Kh3 b1Q 50.Kg2 Qf1) 46.Kg3 (46.Kg1 b5 47.Kh1 b4 48.Kg1 b3 49.Kh2 Rf6 50.Kg2 b2 51.Kh3 b1Q 52.Kg2 Qf1) 46...b5 47.Kh3 (47.Kg2 b4 48.Kh1 b3 49.Kg2 b2 50.Kh2 Rf6 51.Kh3 b1Q 52.Kg2 Qf1) 47...b4 48.Kh2 (48.Kg3 Rf6 49.Kh3 b3 50.Kg2 b2 51.Kh3 b1Q 52.Kg2 Qf1) 48...b3 (48...Rf6 49.Kh1 b3 50.Kg2 b2 51.Kh3 b1Q 52.Kg2 Qf1) 49.Kh3 (49.Kg2 b2 50.Kh2 Rf6 51.Kh3 b1Q 52.Kg2 Qf1) 49...b2 50.Kg3 b1Q 51.Kh3 (51.Kg2 Qf1 52.Kg3 Rf2) 51...Qb3 (51...Qf1 52.Kg3 Rf2) 52.Kh2 Rc4 (52...Rg4 53.Kh1 Qf3) 53.Kg1 Rc2 54.Kf1 Qb1 0-1. MCHpenguin2 (2340) - zsolti_83 (2385), Rated Bullet game, lichess.org, 2019.

6.Nf3 ab4 7.ab4 Ra1 8.Ba1 b6 9.b5 c5 10.c4 d5 (10...cd4 11.Bd4 Bb7 12.Nbd2=) 11.Be2 (11.dc5 bc5 12.Bf6 Bf6 13.cd5 Bf5+=) 11...cd4 12.ed4 (12.Bd4!? dc4 13.0-0=) 12...dc4 13.Bc4 Bb7 14.0-0 Bd5 15.Qb3 Bc4 16.Qc4 Nbd7 17.Ne5 e6 18.Nc6 Qa8 19.Nc3 Rd8?? (19...Qa3!?=) 20.d5 (20.Nd8!? Qd8 21.d5 Ne5+-) 20...ed5 (20...Re8+=) 21.Qb4 (better 21.Nd5!? Rf8 22.Bf6 Nf6 23.Nb6+/-) 21...Re8= 22.Bb2 (better 22.Qd4!? Ne4 23.Qd5 Bc3 24.Bc3 Nc3 25.Qd7=) 22...Nc5-/+ 23.Nd1 (better 23.Qh4-/+) 23...Nfe4 (better 23...Nd3 24.Qb3 Nb2 25.Qb2 Qa4-/+) 24.Bg7+= Kg7 25.f3 (25.Ne3!? Qa2 26.Qd4 Nf6 27.Nb4+=) 25...Nf6 (25...Nd6 26.Nc3 Re6 27.Nd4=+) 26.Nf2 (26.Nc3!?=+) 26...Qa2-/+ 27.Qd4 (27.Nd4 Ne6-/+) 27...Re2 28.Ne5 (better 28.g4!? h6 29.h4-+) 28...Ne6 29.Qd3?? (29.Qc3-+) 29...Nf4 (better 29...Re5 30.g3-+) 30.Qd4 g5 (better 30...Re4! 31.Qb6 Re5-+) 31.Neg4-/+ Re6 32.Nf6?? (better 32.Kh1-/+) 32...Ne2-+ (32...Rf6?! 33.Qe5 h6 34.g3-/+) 33.Kh1 Nd4 (33...Rf6?! 34.Qe5 Kg6 35.Ng4+=) 34.N6g4 h5 35.Ne5 Re5 36.Nd3 Qe2 37.Ne5 Qf1 0-1. MCHpenguin2 (2320) - zsolti_83 (2405), Rated Bullet game, lichess.org, 2019.

5.a3 b6

6.Nd2 Bb7 7.Ngf3 d6 8.c4 Nbd7 9.Rc1 e5 10.Be2 Re8 11.de5 Ng4 12.0-0 Nge5 13.Ne5 Ne5 14.Qb3 a5 15.c5 (15.f4 Nd7 16.Bg7 Kg7=) 15...ab4 (15...dc5 16.Rfd1 ab4 17.Nf3-/+) 16.ab4 (better 16.cb6 cb6 17.Qb4+=) 16...dc5-/+ 17.Nc4 (17.Bc3 Bd5 18.Qb1 cb4 19.Qb4 Qg5-/+) 17...Qg5 (better 17...Qd5 18.f3 b5-+) 18.f3? (better 18.g3 Nc4 19.Bc4-/+) 18...Nc4-+ 19.Bc4 Re3 (19...Qe3?! 20.Qe3 Re3 21.Bg7 Kg7 22.bc5 bc5 23.Kf2-/+) 20.Bf7 Kh8 (20...Kf8 21.Bg7 Kg7 22.Qc4-+) 21.Bg7 (better 21.Qc2 cb4 22.Kh1-+) 21...Kg7 22.Qc4 Qe7?? (better 22...Re7 23.Bg6 Qe3 24.Kh1 hg6-+) 23.Bd5-/+ Bd5 24.Qd5 Rd8 25.Qc4 (better 25.Qb7!?-/+) 25...Rd4-+ (worse 25...cb4 26.Qc7 Qc7 27.Rc7 Kg8 28.Ra1-/+) 26.Qc2 Re2 27.Qc3 Qg5 28.g3? (better 28.Rf2 Rf2 29.Kf2-+) 28...Qd2 29.Qd2 Rdd2 (29...Red2?! 30.bc5 b5 31.Rfe1-/+) 30.Rfe1 (30.Rfd1 Rg2 31.Kh1 Rh2 32.Kg1 Rdg2 33.Kf1 Rg3 34.bc5 Rf3 35.Kg1-+) 30...Re1 (better 30...Rg2!? 31.Kh1 Rh2 32.Kg1 Rdg2 33.Kf1-+) 31.Re1 cb4 32.Re7 Kf6 33.Rc7 b3 34.Rb7 (34.Rc6 Kf5-+) 34...b2 (better 34...Rd6 35.Kf2 b2 36.Rb6 Rb6 37.Ke1 b1Q 38.Ke2 Qc2 39.Ke3 Qc3 40.Ke4 Rb4 41.Kd5 Rd4) 35.Rb6 Kg7 36.Kf1 (36.Rb7 Kf8-+) 36...Rd1 (36...Rh2!? 37.Kg1 Rd2 38.f4-+) 37.Ke2 b1Q (37...b1Q 38.Rb1 Rb1-+) 0-1. TwelveTeen (2665) - BabaRamdev (2870), Rated Bullet game, lichess.org, 2018.

6.Be2 Bb7 7.Bf3 Nc6 8.Bc3 e6 9.b5+= Na5 10.Ba5 Bf3 11.Qf3 ba5 12.Ne2 c5 13.bc6 dc6 14.Qc6 Rc8 15.Qa4 Qd5 16.0-0 Ne4 17.Nf4 Qf5 18.c4 e5 19.de5 Be5 20.Ra2 Bb8? 21.Nd5+- Qe5 22.g3 Ng5?? 23.Qd7?? Nf3 24.Kg2 Qe4?? 25.Nf6 Kg7 26.Ne4 Ne5 27.Qd4 Rcd8 28.Qc3 f6 29.Rd2 Rc8 30.Nd6 Bd6 31.Rd6 Rc4 32.Qa5 h5 33.Qa7 Rf7 34.Qb6 h4 35.Nd2 Rg4 36.a4! hg3 37.fg3 f5 38.Nf3 Nc4 39.Rg6! Rg6 40.Qd4 Kh6 41.Ne5 Ne5 42.Qe5 Rgf6 43.a5 Ra6 44.Qf4 Kg6 45.Qe5 Rff6?? 46.Qe8 Kg7 47.Qd7 Kg6 48.Qd2 Rad6 49.Qd6! Rd6 50.Rb1 Ra6 51.Rb6 Rb6 52.ab6 1–0. wojtekkk – stalrud, kurnik, 2011.

6.Nf3 Bb7 7.c4 c5 8.Nbd2 d5 9.Qb3 cd4 10.ed4 dc4 11.Bc4 Nc6 12.0-0 Rc8 13.Rad1 e6 14.Rfe1 a6 15.a4 h6 16.h3 Nd5 17.Ne4 Ncb4 18.Ba3 a5 19.Ne5 Qc7 20.Rc1 Qb8 21.Nd3?? Bd4 22.Bb4 ab4 23.Nb4 Qa8 24.Kf1?? Nb4–+ 25.Qb4 Be4 26.f3 Bc5 27.Qb3 Bc6 28.Ra1 Qb7 29.Be6 Rce8 30.Bc4 Re1 31.Re1 Qc7 32.Rc1 Qh2 33.Rc2 Qh1 34.Ke2 Qg2 35.Kd3 Rd8 36.Kc3 Qf3 37.Kb2 Bd4 38.Ka2 Qd1 39.Bf7 Kg7 40.Bc4 Qa1 0–1. futsalboy (1665) – sabas07, kurnik, 2011.

6.Nf3 Bb7 7.c4 d6 8.Nbd2 e5 9.de5 de5 10.Ne5 Ne4 11.Ne4 Qd1 12.Rd1 Be4 13.f3 Bb7 14.Nd3 Bb2 15.Nb2 Nc6 16.Nd3 Rad8 17.Be2 Rfe8 18.Kf2 Ne5 19.Ne5 Rd1 20.Rd1 Re5 21.Rd8 Kg7 22.e4 Re7 23.Ke3 a5 24.b5 c6 25.a4 cb5 26.cb5 Rc7 27.Rd6 f5 28.Rb6 Re7 29.Bd3 h6 30.Rb7 Rb7 31.ef5 g5 32.f4 Kf6 33.fg5 hg5 34.g4 Rh7 35.Be4 Rh2 36.b6 Rb2 37.b7 Ke5 38.Bc6 Rb3 39.Kd2 Kf4 40.Bb5 Kg4 41.b8Q Kf5 42.Bd7 1–0. barborski – imperium5, kurnik, 2012.

6.Nf3 Bb7 7.c4 d6 8.Be2 Nbd7 9.0-0 c5 10.d5 e6 11.Nc3 ed5 12.Nd5 Nd5 13.cd5?? Bb2–+ 14.Ra2 Bg7 15.Re1 Ne5 16.b5 Nf3 17.Bf3 Qf6 18.e4 Rae8 19.Rae2 Re5 20.Qd2 Rfe8 21.a4 a6 22.Qb2 a5 23.Qc2 Qf4 24.Qd3 Bc8 25.g3 Qf6 26.Bg2 Bg4 27.f4 Be2 28.fe5 Bd3 29.ef6 Bf6 30.Re3 Bd4 (30...Bd4 31.Kf2 Be4–+) 0–1. mihai740609 – katoosiol, kurnik, 2011.

6.Nf3 d6 7.c4 c5 8.dc5 bc5 9.Nbd2 Bb7 10.Be2 Nc6 11.b5 Nb8 12.0-0 a6 13.a4 Nbd7 14.Qc2 Re8 15.Rfd1 Qb6 16.a5 Qd8 17.b6 Nb8 18.Ng5 h6 19.Nh3 Nc6 20.Bf3 e6 21.Nf4 Qe7 22.Ne4 Nb4 23.Nf6 Bf6 24.Bf6 Qf6 25.Qe2 Bf3 26.Qf3 d5 27.cd5 ed5 28.Nd5 Nd5 29.Qd5 Rad8 30.Qc5 Rd2 31.Rf1 Rf2 32.Rf2 Qa1 33.Rf1 Qa2 34.b7 Qb3 35.Qa7 Kg7 36.Kh1 Qb5?? 37.Rf7!! Kf7 38.b8Q Re7 39.Qb5 ab5 1–0. tns1 (1825) – jojopa (1865), kurnik, 2012.

6.f4 Bb7 7.Nf3 Nd5 8.Qd2 c6 9.c4 Nf6 10.Nc3 d6 11.Bd3 Qc7 12.0-0 Rd8 13.Rac1 e5 14.fe5+- de5 15.d5 e4 16.Be4 Ne4 17.Ne4+- Re8? 18.Bg7 Re4 19.d6 Qd6?? 20.Qd6 (20.Qd6 Nd7 21.Qd7 Kg7 22.Ng5 Rf8 23.Rf7 Kh6 24.Rcf1 Rf7 25.Nf7 Kg7 26.Nd6 Kh6 27.Qh3 Rh4 28.Qh4 Kg7 29.Rf7 Kg8 30.Qh7) 1–0. amator111 (1660) – araisuf, kurnik, 2011.

5.a3 c6

6.c4 d5 7.cd5 Nd5 8.Nf3 Bg4 9.Be2 Nd7 10.h3 Bf3 11.Bf3 N7b6 12.Bd5 Qd5 13.0-0 Nc4 14.Bc3 Rad8 15.Nd2 e5 16.Nf3 ed4 17.ed4 Nd6 18.Qc2 Nb5 19.Rfd1 Qc4 20.Rd3 Bd4 21.Nd4 Rd4 22.Rf3 Rfd8 23.Qb2 Nc3 24.Rc3 Rd1 25.Rd1 Rd1 26.Kh2 Qf4 27.g3?? Qd4 28.Qc2?? Rd2 29.Rc4 Qf2 30.Kh1 Qg2 0–1. wojtekkk (1610) – pizecik, kurnik, 2011.

6.Nf3 a5 7.ba5 Qa5 8.Qd2 d5 9.Qa5 Ra5 10.Nbd2 Bf5 11.c4 Nbd7 12.Be2 Ne4 13.0-0 Nd2 14.Nd2 Nf6 15.Bc3 Ra7 16.Bb4 Re8 17.h3 Ne4 18.Ne4 Be4 19.f3 Bf5 20.g4 Bd7 21.Kf2 e5 22.Bc5 Raa8 23.cd5 cd5 24.de5 Be5 25.Rad1 Bc6 26.f4 Bg7 27.Bf3 Bf8 28.Bf8 Rf8 29.Bd5 Bd5 30.Rd5 Ra3 31.Rb1 Rb8 32.Rdb5 Ra7 33.Rb6 Kf8 34.g5 Ke7 35.Rc1 Kd7 36.Kf3 Ra6 37.Rcb1 Rb6 38.Rb6 Kc7 39.Rf6 Rf8 40.e4 b5 41.e5 b4 42.Ke3 Rd8 43.Rf7 Kc6 44.Rf6 Kc5 45.Rf7 Rb8 46.e6 b3 47.e7 b2 48.Rf8 Rb3 49.Kf2 b1Q 50.e8Q Qa2 51.Qe2 Rb2 52.Re8 Re2 53.Re2 Qf7 54.Kg3 Kd5 55.Re5 Kd4 56.Kg4 Qd7 57.Kg3 Qa4 58.h4 Qb3 59.Kg4 Qd1 60.Kg3 Qd3 61.Kg4 Qf1 62.Kg3 Qg1 63.Kf3 Qh2 64.Kg4 Qg2# 0–1. mihai740609 – newpaw (1660), kurnik, 2012.

6.f4 d5 7.Nf3 Bg4 8.Nbd2 a5 9.c4 ab4 10.ab4 Ra1 11.Ba1 dc4 12.Bc4 Nbd7 13.Qb3 e6 14.h3 Bf5 15.0-0 Nb6 16.Bd3 Bd3 17.Qd3 Nbd5 18.Qb3 Qb6 19.Rb1 Ra8 20.Nc4 Qb4! 21.Qb4 Nb4 22.Rb4 Ra1 23.Kh2 b5 24.Nce5 Rc1 25.Ng5 Nd5 26.Rb3 f6 27.Ne6? fe5–+ 28.e4 0–1. amator111 (1675) – papezuvptak (1775), kurnik, 2011.

6.f4 d6 7.Nf3 Bg4 8.Be2 Nbd7 9.Nbd2 Qc8 10.0-0 Nb6 11.c4 Na4?? 12.Qa4+- b5 13.Qd1 d5 14.cb5 cb5 15.Bb5 Qe6 16.Be2 Qe3 17.Kh1 Rac8 18.Re1 Qf4 19.h3 Bd7 20.Ne5 Bh3? 21.gh3 Qg3 22.Bf1 Nh5 23.Qf3 Qh4?? 24.Bg2 Rc2 25.Bc1 Ng3 26.Kh2+- Nf5 27.Rg1?? Qd4=+ 28.Qd5?? Be5 29.Qe5 Qe5 (29...Qe5 30.Kh1 Ng3 31.Kh2 Ne4 32.Kh1 Nf2) 0–1. amator111 (1705) – cmr, kurnik, 2011.

5.a3 d5

6.c4 dc4 7.Bc4 a6 (7...Nbd7 8.Nf3=) 8.Qc2 (8.Nf3 Bf5=) 8...b5 (8...Bf5 9.Qe2=) 9.Bd3 Qd5 (9...Bd7 10.Nc3+=) 10.f3 (better 10.Nf3+=) 10...e5?? (10...Qd7 11.Nc3=) 11.Nd2?? (better 11.de5 Re8 12.ef6 Re3 13.Be2+-) 11...ed4= 12.ed4 (better 12.Bd4 Qe6 13.Ne2= (13.Qc7? Nd5 14.Qc5 Nd7 15.Qd5 Qd5–+)) 12...Qd4?? (better 12...Qd7=+) 13.Bd4+- Be6 14.Bf6 (14.Ne2 Re8+-) 14...Bf6 15.Nb3 (better 15.Rd1 Re8 16.Qc7 Bh4 17.g3 Bd8+-) 15...Ba1 (15...Bb3 16.Qb3 Ba1+-) 16.Na1 Ra7 (16...Nd7 17.Be4 Ra7 18.Ne2+-) 17.Ne2 c6 18.Nf4 Rd7 (18...a5 19.Qc5 Ra8 20.0-0 ab4 21.Ne6 fe6 22.ab4+-) 19.Ne6 fe6 (19...Re8 20.0-0 Re6 21.Nb3+-) 20.0-0 (20.Nb3!? Rfd8 21.Nc5 Rd6+-) 20…c5 (20...Rfd8 21.Rd1+-) 1–0. pat_cash87 – ty111, lichess.org, 2020.

6.Nd2 c6 7.Ngf3 Bg4 8.Be2 Nbd7 9.h3 Bf3 10.Bf3 Nb6 11.Be2 Na4 12.Qc1 Nd7 13.c4 e5 14.Nb3 (14.0-0 Nb2 15.Qb2 dc4 16.Nc4 ed4 17.ed4 Re8=) 14...Nb2 (14...dc4 15.Bc4 Ndb6 16.Bd3-/+) 15.Qb2=+ ed4 16.Nd4 dc4 (16...b6 17.c5 bc5 18.bc5 Nc5 19.0-0-+) 17.Bc4=+ Nb6 (17...b6 18.Qd2 Ne5=+) 18.Rc1 (18.Bb3 Qh4=) 18...Qh4 (18...Nc4!? 19.Rc4 Qd5-/+) 19.0-0=+ Rad8 20.Rfd1 Qh5 (20...Bd4 21.ed4 Rfe8 22.Ba2=+) 21.Be2 Qe5 22.Qd2 Rfe8 23.Rc5 Qe7 24.Bc4 Nc4 25.Rc4 Rd5 26.Qe2 Red8 27.Qd2 Qd7 28.a4 b6 (28...a5 29.Qc2 (29.ba5? c5-+) 29...ab4 A) 30.Rb4?? A1) 30...Bd4?! 31.Rbd4 (worse 31.ed4 c5 32.Rb5 cd4-/+) 31...Qe6 32.Rd5 Rd5 33.Rd5 Qd5 34.e4=; A2) 30...c5 31.Rb5 cd4-+ (31...Bd4?! 32.ed4 cd4 33.Qd3-/+); B) 30.Rb1-/+) 29.Rdc1 (29.Qc2!?=) 29...Bd4-/+ 30.ed4 Rd4 31.Rd4 Qd4 32.Qc3 (32.Qe1 Rd6-/+) 32...Qc3 33.Rc3 Rd4 34.a5 Rd1 (34...Rb4!? 35.Rc6 ba5 36.Ra6-+) 35.Kh2-/+ Rd6 36.Kg3 Kf8 37.Kf3 Ke7 38.Kf4 (38.a6 h6-/+) 38...Kd7 (38...Rd4 39.Ke3 Rb4 40.Rc6 ba5 41.Ra6-/+) 39.Ke3 Rd1 40.Rd3? (better 40.Ke2!? Rb1 41.Rd3 Ke6 42.Re3 Kd6 43.Rd3 Kc7 44.Re3 Rb4 45.Re7 Kd6 46.Ra7 ba5 47.Ra5-/+) 40...Rd3-+ 41.Kd3 Kd6 42.ab6 ab6 43.f3 Kd5 44.h4 c5 45.bc5 Kc5 46.Kc3 b5 47.g3 b4 48.Kb3 (48.Kd3 Kd5 49.Kc2-+) 48…Kd4 0-1. Kotsinis,Vasileios - Plooijer,Johan (1790), Agios Ioannis GRE, 2019. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.d4)

6.Nf3 b6 7.Bd3 Bb7 8.Nbd2 Nbd7 9.c4 c5 10.dc5 bc5 11.b5 dc4 12.Bc4 Nb6 13.Qc2 (13.Be2 Rc8=) 13...Nc4=+ 14.Qc4 Bd5 (14...Qb6 15.Rc1 Rfc8 16.Bf6 Bf6 17.0-0=+) 15.Qc2 (15.Qc5 Ne4 16.Qc2 Rc8=+) 15...c4 (15...Bf3 16.gf3 a6 17.ba6=+) 16.0-0 Qb6 (16...Rb8 17.Rab1=) 17.Nd4 (17.e4 Be6 18.Nd4+= (worse 18.Nc4 Qb5 19.Ne3 Rfc8=+)) 17...Rac8=+ 18.a4 Qb7 19.Rac1 (better 19.f3!?=+) 19...Bg2-/+ 20.a5? (better 20.Rfd1 Ng4 21.Bc3-+) 20...Bf1-+ 21.Kf1 (21.Rf1 Rc5 22.Rd1 Rfc8-+) 21...c3! 22.a6 (22.Bc3 Qh1 Double attack) 22...Qh1 (better 22...cb2 23.Rb1 Rc2 24.ab7 Rd2-+) 23.Ke2 Qh2 (23...cd2?! 24.Rh1 Rc2 25.Nc2-/+) 24.Bc3 Qh5 25.f3 (25.Ke1 Nd5 26.Ne4 Bd4 (worse 26...Nc3 27.Nc3 Rc4 28.Qd3-+) 27.ed4 Rfd8-+) 25...Nd5 26.Qb2 (26.Qb3-+) 26...Qh2 27.Kd3 Nc3 (better 27...Bd4 28.Bd4 Rc1 29.Qc1 Nb4 30.Kc4 Rc8 31.Kb4 Rc1 32.Ne4-+) 28.Rc3 Rc3 (28...e5 29.Rc8 Rc8 30.Nc4 Qb2 31.Nb2 ed4 32.ed4-+) 29.Qc3 (29.Kc3 Rc8 30.Kb3 Qe5-+) 29...e5 30.Nc6 (30.N2b3 ed4 31.Nd4 Rd8-+) 30...e4! 31.Ne4 (31.Ne4 Bc3 Discovered attack; 31.Ke4 f5 Double attack (31...Bc3 Discovered attack; 31...Bc3 Deflection; 31...Re8 Decoy); 31.fe4 Bc3 Discovered attack) 31...Bc3 32.Nc3 Qf2 33.Na7 (33.Ne7 Kg7 34.f4 h5-+) 33...Qf3 (better 33...Re8 34.e4 Qa7 35.Nd5-+) 34.b6 (34.Nc6 Re8 35.Kc4 Qe3-+) 34...Rd8 (34...Qf1 35.Kc2 Qa6 36.Nc6-+) 35.Kc4 Qe3 (35...Qf1 36.Kc5 Qa6 37.Nab5-+) 36.Nab5 Rc8 37.Nc7 (37.Kb3 Rc3! 38.Nc3 Qb6 39.Kc2 Qa6-+) 37...Qb6 38.N3d5 Rc7 39.Nc7 Qc7 40.Kb5 Qa7 41.Ka5 h5 42.Kb5 h4 43.Ka5 (43.Kb4 h3 44.Kc4 Qa6 45.Kb3 Qd3 46.Ka4 h2 47.Kb4 h1Q 48.Kc5 Qhd5 49.Kb6 Qd6 50.Ka5 Q3a6) 43...h3 44.Kb5 (44.Ka4 Qa6 45.Kb4 Qd6 46.Kb3 h2 47.Kc4 h1Q 48.Kb3 Qb1 49.Kc4 Qbd3) 44...h2 45.Kc6 (45.Kb4 h1Q 46.Kc4 Qc1 47.Kd5 Qcc5 48.Ke4 Qf5) 45...h1Q 46.Kd6 (46.Kb5 Qd5 47.Kb4 Qb6 48.Kc3 Qbb3) 46…Qe4 (46...Qd1 47.Kc6 Qdd7) ½-½. danishguy (2095) - joewelch (2250), Rated Bullet game, lichess.org, 2020.

6.Nf3 c6 7.c4 Bg4 8.Be2 dc4 9.Bc4 Nbd7 10.Nbd2 Nb6 11.Be2 Nbd5 12.0-0 Rc8 13.h3 Be6 14.Rc1 Qd7 15.Re1 Bh3 16.Ne5+- Qe6 17.gh3 Qh3 18.Bf1 Qf5 19.Qf3 Qg5 20.Qg2 Qh4 21.Qg3 Qh5 22.Be2 Qf5 23.Kg2 Nh5 24.Bh5 Qh5 25.Rh1 Qf5 26.Ndf3 f6 27.Ng4 e5 28.Nh6 Bh6+/– 29.Rh6 e4 30.Nh4 Qg5+= 31.Qg5 fg5 32.Ng6 hg6 33.Rg6 Kf7 34.Rg5 Rg8 35.Rg8 Rg8 36.Kf1 Rh8 37.Ke2 Rh2 38.Rf1 Ke6 39.Kd2 Nf6 40.Ke2 Nh5 41.Ke1 Nf6 42.Bc1 Nd5 43.Bb2 Ne7 44.Ke2 Nf5 45.Ke1 Nh4 46.Ke2 Nf3 0–1. Fournier,Frederic (1720) – boxchess, Active, 2007.

6.Nf3 Bg4 7.Be2 c6 8.0-0 Nbd7 9.h3 Bf3 10.Bf3 Ne4 11.Be4 de4 12.c4 e5 13.de5 Ne5 14.Nc3? Nd3 15.Rb1?? Nb2–+ 16.Rb2 Bc3 (16...Bc3 17.Rc2 Qf6–+) 0–1. mihai740609 – arutua (1635), kurnik, 2011.

6.f4 Bg4 7.Nf3 e6 8.Nbd2 Nbd7 9.Be2 b6 10.c4 dc4 11.Nc4 c5 12.dc5 bc5 13.b5 Nb6 14.Nce5 Bf3 15.Bf3 Rc8 16.Nc6 Qd1 17.Rd1 Rfe8 18.Na7 Rcd8 19.Ke2 Nfd5+/– 20.Bg7 Kg7 21.Bd5 Nd5 22.Nc6?? Nc3–+ 23.Kf3 Rd1 24.Rd1 Nd1 25.a4? Nc3 (25...Nc3 26.b6 Na4–+) 0–1. amator111 (1800) – amadeus1, kurnik, 2012.

6.g3 Nbd7 7.Bg2 c6 8.Nf3 Nb6 9.0-0 Bg4 10.Qc1 Qc8 11.Nbd2 Nfd7 12.c4 e5 13.Ne5 Ne5 14.de5 Bh3 15.cd5 Nd5 16.Bd4 Qg4 17.Qd1 Qd1 18.Rfd1 Bg4 19.Rdc1 Rfd8 20.Ne4 h5 21.Nd6 Rd7 22.Rc5 Ne7 23.h3 Be6 24.b5 b6 25.bc6 bc5 26.cd7 cd4 27.Ba8 Bd7 28.ed4 Nf5 29.Nf5 gf5 30.h4 Bb5 31.Rb1 Be2 32.Rb8 Kh7 33.Bc6 Kg6 34.Rb7 a6 35.Be8 Bc4 36.a4 Bh6 37.a5 Bd2 38.Rb6 Kg7 39.Rf6 Be6 40.Bf7 Bf7 41.Ra6 Bc4 42.Ra7 Kf8 43.a6 Bc3 44.Rc7 Bd4 45.Rc4 Be5 46.a7 1–0. jardaw – varin123, kurnik, 2012.

6.c4 c6

7.Nf3 a6 8.Nc3 Nbd7 9.Qb3 e6 (9...dc4 10.Bc4 Nb6 11.Bd3=) 10.Rb1 (10.Bd3 dc4 11.Bc4 Nd5+=) 10...Qe7 11.Be2 h5 (11...dc4 12.Qc4 e5 13.0-0+=) 12.a4 White prepares b5 12...a5 (12...dc4 13.Bc4 Rd8 14.0-0+=) 13.b5 dc4 14.Bc4 Nb6? (better 14...c5+/-) 15.Ba3+- Qe8 16.Bf8 (16.bc6 Nc4 17.Qc4 Qc6 18.Qc6 bc6 19.Bf8 Bf8+-) 16...Bf8 17.Be2 Nbd5 18.bc6?? (18.0-0 Bb4 19.Na2 Bd7+-) 18...bc6?? (18...Bb4 19.0-0 Nc3-/+) 19.Ne5?? (better 19.0-0+-) 19...Bb4-/+ 20.0-0 Nc3 (20...Bc3?! 21.Rbc1 Bb4 22.Rc6=) 21.Bf3 (21.Rb2 Ne2 22.Re2 Ba6-+) 21...Nb1 22.Rb1 Nd5 23.Rc1 Bb7 (23...Bd7 24.Rc4-+) 24.Qc4 (24.Nd3 Qe7-+) 24...Rc8 (better 24...c5 25.dc5 Qa4-+) 25.Rb1? (25.Qb3 Ba6-+) 25...Qe7 (better 25...c5!? 26.Qb3 cd4 27.ed4-+) 26.Nd3 Qc7 (26...c5 27.dc5 Bc5 28.Qb5-+) 27.g3? (27.e4 Nb6 28.Qb3 c5 29.dc5 Nd7 30.Nb4 Nc5-+) 27...Qb6 (better 27...c5 28.dc5 Ne3 29.fe3 Bf3 30.Nb4 ab4 31.Kf2-+) 28.e4? (28.Nc5-+) 28...Ba6 29.Qc2 (29.Qb3 Qd4 30.ed5 Bd3-+ (worse 30...Qd3 31.dc6 Qb3 32.Rb3-+)) 29...Bd3 (better 29...Qd4!? 30.Rd1 Bd3 31.Rd3 Qa1 32.Rd1-+) 30.Qd3 Ne7 31.Kg2 (31.Qc4 c5 32.d5 Qd6-+) 31...Rd8 32.d5 (32.Rd1 e5! 33.d5 cd5 34.ed5 Qd6-+) 32...ed5 33.e5 (33.ed5 Qc5-+) 33...c5 34.e6 (34.Be2 Qe6-+) 34...Qe6 35.Rd1 c4 (35...d4 36.Rc1-+) 36.Qd4 Nf5 37.Qf4 d4 38.g4 (38.Qg5 Qd7-+) 38...hg4 (38...Nh4!? 39.Kh3 Bd6 40.Qe4-+) 39.Bg4 d3 (39...Qc6 40.Kg1 Bd6 41.Qg5-+) 40.h4 (40.Bf5 gf5 41.Kh3 Qg6-+) 40...c3 41.h5 c2 42.Rg1 (42.Rc1 Qd5 43.Bf3 Bd2-+) 42...Qd5 (42...d2 43.Rh1-+) 43.Kh3 d2 44.hg6 fg6 (better 44...Qd3 45.Kg2 Nh4 46.Kh1 Qd5 47.Kh2 Bd6 48.gf7 Kf8 49.Qd6 Qd6 50.Rg3 c1Q 51.Be6 Qf1 52.f4 Qdf4 53.Bd5 Nf5 54.Be4 Qg3) 45.Bf5 d1Q (better 45...Qb3 46.f3 Bc3 (46...Qa4?? 47.Be6 Kg7 48.Qf7 Kh8 49.Rg6 c1Q 50.Qg7) 47.Rg6 Bg7 48.Rg7 Kg7 49.Qg5 Kf7 50.Bg6 Kf8 51.Qd8 Kg7 52.Qd2 Kg6 53.Qd6 Kf5-+) 46.Rg6= Kf8 (better 46...Kf7!? 47.Be6 Kg6 48.Qf7 Kh6 49.Qf6 Kh5 50.Qf7 Kg5 51.Qg7 Kh5 52.Qh7 Kg5 53.Qg7 Kh5 54.Qh7 Kg5 55.Qg7=) 47.Be6+/- (47.Be6 Ke7 48.Qf7 Kd6 49.Bd5 Ke5 50.Rg5 Kd4 51.Qf6 Kd3 52.Rg3 Qf3 53.Rf3 Kd2 54.Qg5 Ke2 55.Qe5 Kf1 56.Bc4 Rd3 57.Bd3 Kg1 58.Qh2) 1-0. ClayPigeons (2190) - Jones78 (2320), Rated Bullet game, lichess.org, 2021.

5.a3 d6

6.c4 b6 7.b5 Bb7 (7...a6 8.Qf3 Ra7 9.Nc3=) 8.Qc2 (8.Nf3 a6=) 8...Nbd7 9.Nd2 c5 10.0-0-0? (better 10.bc6!? Bc6 11.Ngf3=) 10...a6 (10...cd4 11.ed4 d5 12.Re1-/+) 11.f3 (better 11.ba6!? Ba6 12.d5-/+) 11...ab5–+ 12.cb5 (12.dc5 bc4 13.cd6 b5–+) 12...cd4 13.ed4 (13.e4 e5 14.Nc4–+) 13...Ra5?? (13...Rc8 14.Bc3 Nd5 15.Ne2 Bd4 16.Ne4 Bc3 17.N4c3–+) 14.a4? (better 14.Re1-/+) 14...e5?? (better 14...Qa8!? 15.Qd3–+) 15.Bd3? (better 15.Nc4!? Ra7 16.Nd6 ed4 17.Nb7 Rb7 18.Rd4=+ (18.Bd4?? Rc7–+)) 15...ed4 (15...Qa8 16.Nc4 Rc8 17.de5 Ne5 18.Be5 de5 19.Kd2 Ra4 20.Qb1–+) 16.Bd4 (16.Nc4 Ra7 17.Nd6 Nd5–+) 16...Nc5 (16...Qa8 17.Nc4 Rc8 18.Bc3 Ra4 19.Nd6 Ra1 20.Kd2 Bh6 21.Ke1 Rd1 22.Kd1–+) 17.Bc5 bc5 (17...dc5 18.Nc4 Ra7 19.Bg6=) 18.Ne2 Nd7 (18...Qa8 19.Nc3 Nd5 20.Nd5 Bd5 21.Be4 Be4 22.Qe4–+) 19.Rdg1? (better 19.Nc4!? Ra7 20.Nd6 Qg5 21.f4 Qg2 22.Be4 Be4 23.Qe4-/+) 19...Qf6 (19...d5 20.Nc3–+) 20.g4 (20.Ne4 Qe7 21.N4c3 d5–+) 20...Qa1 (better 20...Rfa8–+) 21.Nb1 (21.Qb1 Qa4 22.Bc2 Qa3 23.Kd1–+) 21...Bb2 (better 21...Bf3 22.Be4 Bh1 23.Rh1 Ra4 24.Kd1–+) 22.Kd2?? (better 22.Qb2 Qb2 23.Kb2 Bf3 24.Nbc3+=) 22...Ra4?? (better 22...Ne5 23.Be4 d5–+ (23...Nf3?! 24.Bf3 Bf3 25.Nbc3–+)) 23.Nbc3+- Bc3 24.Qc3?? (better 24.Nc3 Qa3 25.Qa4 (25.Na4 Qb4 26.Ke2 Re8 27.Kf2 Qd4 28.Kg3 Bf3=+) 25...Qa4 26.Na4 Bf3 27.Be2 Bh1 28.Rh1+-) 24...Ra2 (better 24...Qa2 25.Qc2 Ne5–+) 25.Ke3?? (25.Bc2 Qc3 26.Nc3 Rc2 27.Kc2 Bf3-/+) 25...Qc3 (better 25...Re2 26.Be2 Qc3 27.Kf2 Re8–+) 26.Nc3 Ra3 27.Nd5?? (better 27.Rc1–+) 27...Bd5 28.h3 (28.Ra1 Rfa8 29.Ra3 Ra3 30.Kd2 Bf3 31.Rc1 Bg4 32.Rc3–+) 28...Ne5 29.f4 Rd3 (29...Rd3 30.Ke2 Bf3 31.Kf2 Bh1 32.fe5 Ra8–+) 0–1. pat_cash87 – DEMORALIZED, lichess.org, 2020.

6.c4 b6 7.Nf3 Bb7 8.Be2 Nbd7 9.0-0 Re8 10.Nbd2 e5 11.de5 Ne5 12.Ne5 de5 13.Nf3 Nh5 14.Qc2 e4 15.Nd4 Bd4 16.Bd4 Ng7 17.Bg7 Kg7 18.Rfd1 Qg5 19.g3 h5 20.Bf1 f5? 21.Qc3+- Kh6 22.h4?? Qe7+/– 23.Rd2 Rad8 24.Rad1 Rd2 25.Rd2 Kh7 26.Qd4 Bc8 27.Rd1 Be6 28.Rd2 Qf7 29.c5 Re7 30.cb6 Rd7?? 31.Qc3?? ab6 32.Rd7 Qd7 33.Qd4 Qd4 34.ed4 Kg7 35.Bb5 Kf7 36.Bc6 Ke7 37.d5 Bd7=+ 38.b5?? Bc6–+ 39.dc6 Kd6 40.Kf1 Kc5 41.Ke2 Kb5 42.Ke3 Kc6 43.Kf4 Kc5 44.Kg5 Kb5 45.Kg6 c5 46.Kh5 c4 47.Kg5 c3 48.h5 c2 49.h6 c1Q 50.Kf5 Qh6 51.Ke4 Ka4 52.f4 Ka3 53.g4 b5 54.g5 Qf8 55.f5 b4 56.f6 b3 57.Kf5 b2 58.Kg6 b1Q 59.Kh5 Qh7 60.Kg4 Qb4 61.Kg3 Qd3 62.Kf2 Qbd2 63.Kg1 Qb1 0–1. Fournier,Frederic (1625) – edpalmas (1785), Active, 2008.

6.c4 Nbd7 7.Nf3 e5 8.de5 Ng4 9.Be2 Nge5 10.Ne5 de5 11.0-0 Qg5 12.f4 Qe7 13.Qd2 Re8 14.Bg4 f5 15.Be2 ef4=+ 16.Bg7 Kg7 17.Qd4 Qf6 18.Qf6 Nf6 19.Rf4 Re3 20.Kf2 Re8 21.Nc3 Be6 22.Nb5 Re7 23.Rd1 Ne4 24.Kg1 Bf7 25.Rf3 a5–+ 26.Rfd3 Nf6 27.R3d2 ab4 28.ab4 Ra4 29.Rb1 Ne4 30.Rc2 c6 31.Nd4 Rd7 32.Nf3 Kf6 33.g3 Ra3 34.Rbb2 Nc3 35.Kf2 Re7 36.Ne1 Re2 37.Re2 Nd1 38.Kg1 Nb2 39.Rb2 Bc4 0–1. Fedoseeva,Valentina – Sorokina,A (2070), Petrovskaya Ladya Open, Peterhof RUS, 2008.

6.Nd2 a5 7.c4 ab4 8.ab4 Ra1 9.Ba1 Nc6 10.Ngf3 (10.b5 Nb8=) 10...Bg4 (better 10...Nb4!? 11.Qb3 c5=+) 11.b5+= Nb8 12.Be2 c6 13.bc6 bc6 14.0-0 Nbd7 15.h3 Bf3 16.Bf3 (worse 16.gf3 c5=+) 16...c5 17.Nb3 cd4 18.Nd4 Ne5 19.Be2 Qc7 20.Nb5 Qc6 21.Be5 de5 22.Qb3 Qc5 (22...Nd7 23.Rd1=) 23.Rd1 Ne4 (23...e4 24.Qa3 Qa3 25.Na3+=) 24.Bf3 Nd6 25.Rd5 (better 25.Nd6!? ed6 26.Rd5+-) 25...Qc4=+ 26.Qc4 Nc4 27.Rd7 e6 28.Be2 Nb6 29.Rb7 Nd5 30.e4 Nf4 31.Bc4 h5 (31...Rd8 32.h4-/+) 32.Nd6= h4 33.Kh2 Bf6 34.g3 Nh5 (better 34...hg3 35.fg3 Rd8 36.Nf7 Rd2 37.Kh1 Rd1 38.Kh2 Rd2 39.Kh1 Rd1 40.Kh2 Rd2=) 35.Nf7!+- hg3 (35...Rf7 36.Be6 Pinning (36.Be6 Decoy)) 36.fg3 Rc8? (36...Ng7 37.Nh6 Kh8+-) 37.Be6 (better 37.Nd6 Rc4 38.Nc4+-) 37...Rc2+- 38.Kh1 (better 38.Kg1!? Kf8 39.Rb3+-) 38...Ng3= 39.Kg1 Kf8 40.Nd6 Ne2 41.Kf1 Bg5?? (better 41...Be7 42.Bb3 Ng3 43.Kg1 Rd2 44.Rb8 Kg7=+) 42.Rg7 (better 42.Rf7 Kg8 43.Rf2 Kg7 44.Ne8 Kh6 45.Re2+-) 42...Ng3–+ 43.Ke1 Kg7 (43...Kg7 44.Bg4 Be3–+) 0–1. TwelveTeen (2675) – Sigma_Tauri (2720), lichess.org, 2018.

6.Nd2 Nc6 7.c4 Ne8 8.Ngf3 e5 9.de5 de5 10.Rb1 f5 11.c5 Qe7 12.Qb3 Kh8 13.Nc4 e4= 14.Bg7 Ng7 15.Nd4 Nd4+= 16.ed4 Be6 17.Be2 Rad8 18.Qc3=+ f4 19.Na5?? h6?? 20.Nb7= Kh7 21.Na5?? Bd5+= 22.0-0 Nf5 23.Bc4 f3=+ 24.g3 Bc4 25.Qc4 Rd4 26.Qc3 Qg5 27.Nc6? Rd3 28.Qe5? Qg4–+ 29.Rbd1?? Qh3 (29...Qh3 30.Qc7 Ng7 31.Qg7 Kg7 32.Rd3 Qg2#) 0–1. misiet33 – solaris8, kurnik, 2012.

6.Be2 Be6 7.Bf3 c6 8.b5 d5 9.bc6 Nc6 10.Ne2 Na5 11.Bc3 Nc4 12.0-0 a5 13.Nd2 b5 14.Nc4 bc4 15.Ng3 h5 16.h3 Qd7 17.e4 de4 18.Ne4 Ne4 19.Be4 Bh3?? 20.Ba8+- Ra8 21.Qf3 Ra6 22.Qh3 Qd6 23.Qc8 Kh7 24.Qh3 Qf4?? 25.Qe3 Qg4 26.d5 Bh6 27.Qe7 Ra8 28.Qf7 Bg7 29.Qg7# 1–0. wojtekkk – stalrud, kurnik, 2011.

6.Nf3 a5 7.b5 c6 8.a4 Re8 9.c4 cb5 10.ab5 b6 11.Be2 Bb7 12.0-0 Nbd7 13.Nc3 Rc8 14.Na4 e5 15.de5 (15.d5 Ne4+=) 15...de5= 16.c5 (16.Nd2 Qc7=) 16...e4 (16...bc5 17.Bc4=+) 17.Nd4 (17.c6 ef3 18.Bf3+/-) 17...Nc5 18.Nc5 Rc5 19.Rc1 Qc7 20.Rc5 Qc5 (20...bc5!? 21.Nb3 c4-/+) 21.Qa1=+ Nd5 22.Rc1 Qe7 23.Nc6 Bc6 24.Bg7 Bd7 25.Bc4 Be6 26.Bd5 Bd5 27.Bh6 f6 28.Qd4 Bf7 (28...Qe6 29.Rc7=+) 29.Qb6= g5 (29...a4 30.Qa6 a3 31.b6=) 30.h3 (better 30.Qa5!? Rb8 31.b6+-) 30...a4+= 31.Rc6 (31.Qa6 Bb3+=) 31...a3= 32.Rf6 (better 32.Qa6=) 32...a2 33.Qd4 Ra8?? (better 33...Qe5 34.Qe5 Re5-/+) 34.Ra6+- Bd5 35.Qd5 (35.Qd5 Qe6 36.Qe6 Kh8 37.Ra8) 1-0. muhammadaudii (2125) - bashar9717 (2100), lichess.org, 2020.

6.Nf3 c6 7.c4 Nbd7 8.h3 Qc7 9.Nbd2 Re8 10.Be2 e5 11.d5 cd5 12.Rc1 dc4 13.Nc4 Qb8 14.Nd6 Rf8 15.0-0 Ne8 16.Nb5 a6 17.Nc3 Nb6 18.Qb3 Be6 19.Qc2 Nd6 20.Ne4 Rc8 21.Qd2 Ndc4 22.Bc4 Nc4 23.Qc2 Ne3 24.Qc8 Bc8 25.fe3 Qa7 26.Kf2 f5 27.Nc5 e4 28.Bg7 Kg7 29.Ne5 b6 30.Nb3 Be6 31.Nd4 Re8 32.Nec6 Qf7 33.Rfd1 b5 34.g3 Bc4 35.Na5 g5 36.Rc3 f4 37.ef4 e3 38.Kf3 e2 39.Re1 gf4 40.gf4 Qh5 41.Kf2 Qh3 42.Nc4 Qc3 43.Ne5 Qd4 44.Kg3 Re5 45.Rg1 Re3 46.Kf2 Rg3 47.Ke2 Qg1 0–1. mihai740609 – selos57, kurnik, 2012.

6.Nf3 Nc6 7.Be2 Bg4 8.0-0 e5 9.h3 Bf3 10.Bf3 e4 11.Be2 d5 12.c4 Ne7 13.cd5 Ned5 14.Nc3 Nc3 15.Bc3 Nd5 16.Bb2 f5 17.Qb3 Kh8 18.Rac1 g5 Black prepares f4 (18...f4 19.Rc5 c6 20.Bc4=) 19.Bc4+= c6 20.Bd5 cd5 (20...Qd5!? 21.Qd5 cd5+=) 21.Rc5+/- f4 22.Qd5 Qe7 (better 22...Qd5!? 23.Rd5 Rac8 24.ef4 Rc2+/-) 23.Qg5 Bf6? (23...Qg5 24.Rg5 Rac8 25.Rc5+-) 24.d5 (24.Qf4 Rac8+-) 24...Rae8 (24...Qd6 25.Qh6 Rad8 26.Rc7 Qc7 27.Bf6 Rf6 28.Qf6 Kg8 29.Qg5 Kh8 30.ef4+-) 25.Bf6 Rf6 26.ef4 1-0. muhammadaudii (2110) - SUPERCHEMONMAN (2105), Rated Blitz game, lichess.org, 2020.

6.Nf3 Bd7 7.Bd3 Bg4 8.Be2 Nc6 9.c4 Bf3 10.Bf3 Qd7 11.Nd2 a6 12.0-0 Rab8 13.Ne4 Ne4 14.Be4 Na7 15.Qe2 b5 16.Bd3 bc4 17.Bc4 e6 18.Ba6+- Nb5 19.Bb5 Qb5 20.Qb5 Rb5 21.Rfc1 Rc8 22.Rc6 Rb7 23.Rac1 Bf6 24.Rd6! cd6 25.Rc8 Kg7 26.Rc1 e5 27.de5 Be5 28.Be5 de5 29.Rb1 Rd7 30.g3 e4 31.a4 Kf6 32.b5 Ke6 33.a5 Kd6 34.b6 Kc6 35.a6 Rd8 36.a7 Kb7 37.Ra1 f5? 38.Kf1 h5 39.h4 Re8 40.Ke1 Rd8 41.Rd1 Rc8 42.Rd6 Rc6 43.Rc6 (43.Rc6 Kc6 44.a8Q Kb6 45.Qe8+-) 1–0. Fournier,Frederic – danielet17, Active, 2008.

6.Nf3 Nfd7 7.Be2 Nc6 8.c4 e5 9.de5 Nce5 10.Ne5 Ne5 11.Qc2 f5 12.Nd2 f4 13.ef4 Rf4 14.0-0 Qh4 (better is 14...Bf5 15.Qb3 Qg5=) 15.g3+- Qg5 16.Nf3?? (better is 16.Ne4 Re4 17.Qe4+-) 16...Nf3–+ (worse is 16...Rf3 17.Be5 Rf7 18.Bg7 Kg7 19.f4=) 17.Bf3 Rf3 18.Bg7 Kg7 19.Qb2 Qf6 20.Qe2 (20.Qf6 Kf6 21.Kg2 Rb3–+) 20...Bg4 21.Qd2 1–0. Fournier,Frederic (1615) – guest41, Active, 2012.

6.Nf3 Ne4 7.Nbd2 f5 8.c4 c5 9.Ne4 fe4 10.Nd2 cd4 11.Bd4 e5 12.Bb2 Qh4 (better 12...Bf5!?+=) 13.g3+- Qg4 14.Qg4 (14.Bg2!? Qd1 15.Rd1 Bg4 16.Be4 Rf7+-) 14...Bg4+/- 15.Ne4?? (better 15.Bg2 Bf3 16.0-0+-) 15...Bf3-/+ 16.Nd6 Bh1 17.c5 Nc6 18.Nb7 (18.Bc4 Kh8-/+) 18...Nb4!-+ 19.ab4 Bb7 20.Bc4 Kh8 21.b5 Bf3 22.c6 e4 (better 22...a6!? 23.Ra6 Ra6 24.ba6 Rc8-+) 23.Bg7-/+ Kg7 24.c7 Rfc8?? (better 24...Kf6 25.Ra6 Ke7-/+) 25.Bd5+/- Rc7 26.Ba8 Kf6 27.Bc6 Ke5 28.Kd2 Kd6 29.Kc3 Kc5 30.h4 Rf7 31.Ra2 h5 32.Rd2 a6 (32...Rf5+/-) 33.Be8 (better 33.Rd5 Kb6 34.Be8+-) 33...Re7 34.Bg6 ab5 35.Rd4 The isolani on e4 becomes a target 35...Ra7? (better 35...Re6 36.Bf7 Re5+=) 36.Be4+- b4 37.Rb4 Ra3 38.Rb3 (better 38.Kd2 Ra2 39.Ke1+-) 38...Rb3= 39.Kb3 Be4 40.Kc3 Bf3 (better 40...Kd5!?-/+) 41.Kd3= Kd5 42.Kc3 (better 42.e4 Be4 43.Ke3=) 42...Ke4-/+ 43.Kd2 Bg4 44.f4 Kf3 45.Kd3 Kg3 46.e4 (46.Ke4 Kh4 47.f5 Kg3-+) 46...Kf4 (worse 46...Kh4 47.f5 Kg3 48.f6-+) 47.Kd4 Kg3 48.e5 Kh4 49.Ke4 Kg3 0-1. muhammadaudii (2140) - mohamad19680000 (2170), lichess.org, 2020.

6.Nf3 Re8 7.Be2 Nfd7 8.Nbd2 Nf8 (8...e5 9.0-0=) 9.0-0+= Nbd7 10.c4 Nf6 11.Rc1 N6d7 12.h3 (12.Qc2 e5+=) 12...Nf6 13.c5 N6d7 (13...c6 14.Qb3+=) 14.Nb3 c6 15.Qc2 a6 16.a4 White prepares b5 16...d5 17.b5 ab5 18.ab5 Nf6 19.bc6 bc6 20.Nbd2 Bf5 21.Bd3 Bd3 22.Qd3 Qd7 23.Ne5 Qc8 24.Bc3 N8d7 25.Ndf3 Ne4 26.Rb1 (better 26.Nd7!? Qd7 27.Ra1=) 26...Ne5-/+ 27.Ne5 Nc3 (better 27...Ra3!? 28.Rbc1 Qe6-/+) 28.Qc3= Be5 29.de5 Qf5 30.Rb6 Rec8 31.Rfb1 (31.Ra1 Qe6=) 31...e6 (31...Ra2 32.R1b2 Ra1 33.Kh2=) 32.Rb7 (32.Qd4 Ra2 33.R1b2 Ra1 34.Kh2 Rc1=) 32...Kg7 (better 32...Ra4 33.R7b4 Rca8=) 33.Rd7?? (better 33.R1b4 g5 34.Qd4=) 33...Qb1-+ 34.Kh2 Rd8 (34...Ra2 35.e4 Qe4 36.Qg3-+) 35.Rc7 (35.Rd8 Rd8 36.Qd4 Ra8-+) 35...Qb8 (better 35...Ra2 36.e4 Rf2 37.Ra7-+) 36.Rc6 Qb7 (36...Ra2 37.Rb6 Qc7 38.f4-+) 37.Rb6 White prepares c6 (37.Rd6 Qc7-+) 37...Qc7 38.Qd4 Rac8 (38...Rdc8 39.c6-+) 39.c6 (39.Rd6 Rf8-+) 39...Rb8 40.Ra6 Ra8 41.Rb6 Rdb8 42.Rb8 Rb8 43.Qf4 Kg8 44.h4 Qc6 45.h5 Qc7 46.h6 (46.hg6 hg6 47.Kg3 Qc3-+) 46...Qd8 47.Qf6 (47.g3-+) 47...Qf6 48.ef6 e5 49.Kg3 Rb6 (better 49...d4-+) 50.Kf3 (50.f4 ef4 51.Kf4 Rf6 52.Ke5 Re6 53.Kd4 Re4 54.Kc5 Re3 55.Kd5 Rg3-+) 50...Rf6 51.Ke2 g5 52.g4 (52.g3 Rh6 53.Kf3 g4 54.Ke2 Ra6-+) 52...Rh6 53.f4 (53.Kf3-+) 53...gf4 54.ef4 ef4 55.g5 Rg6 56.Kf3 Rg5 57.Kf4 Rg6 (57...f6 58.Ke3-+) 58.Kf5 d4 59.Ke5 d3 60.Kd5 d2 61.Kc5 (61.Kc4 h5 62.Kb3 d1Q 63.Kc4 Rc6 64.Kb5 Rc2 65.Ka5 Rb2 66.Ka6 Qa4) 61...d1Q 62.Kb5 (62.Kc4 Rc6 63.Kb5 Rc2 64.Ka5 Rb2 65.Ka6 Qa4) 62...Qh1 (62...Qd5 63.Kb4 Rg4 64.Kc3 Qf3 65.Kd2 Rg2 66.Ke1 Qe2) 63.Kc5 (63.Kc4 Qe4 64.Kc5 Rc6 65.Kb5 Qc4 66.Ka5 Ra6) 63...Qh5 64.Kb4 (64.Kd4 Rg4 65.Ke3 Qh3 66.Kf2 Rg2 67.Ke1 Qh1) 64...Rg4 65.Kc3 Qh2 (65...Qh3 66.Kd2 Rg2 67.Ke1 Qh1) 66.Kd3 Qh3 67.Ke2 Rg2 68.Ke1 Qh1 0-1. MCHpenguin2 (2300) - zsolti_83 (2425), Rated Bullet game, lichess.org, 2019.

6.Nf3 Bg4 7.Bd3 Nbd7 (7...c5 8.h3 Bd7 9.0-0=) 8.Nbd2 e5 9.de5 (9.h3 Bf3 10.Qf3 c6+=) 9...de5 10.e4 Re8 11.Qe2 (11.h3 Be6+=) 11...Nh5= 12.h3 Nf4 13.Qe3?? (better 13.Qf1 Be6 14.Bc4=) 13...Ng2-+ 14.Ke2 Ne3 15.fe3 (15.hg4 Ng4 16.Nc4 Qe7-+) 15...Bf3 16.Nf3 Bh6 (16...a5 17.Rhd1-+) 17.Bc4 Qf6 18.Rhf1 (18.Rad1 Nb6 19.Bb3 Qc6-+) 18...Qe7 (better 18...Qb6!? 19.Bc1-+) 19.h4 Nb6 20.Bb3 c5 21.bc5 (21.Ne5 c4 22.Rf7 Qe5 23.Be5 Kf7 24.Rf1 Kg8-+) 21...Qc5 22.Ng5 Bg5 23.hg5 Re7 (23...Nc4 24.Bc1-+) 24.Rf6 Na4! 25.Raf1 (25.Ba4 Qc4 Double attack (25...Qc4 Decoy)) 25...Nb2 26.Rf7 Rf7 27.Rf7 Qb5 (better 27...Nc4 28.Rf3 Kh8 29.Bc4 Qc4 30.Kf2 Rd8-+) 28.Bc4 (28.Ke1 Nc4 29.Rf6-+) 28...Qc4 29.Kf2 (29.Kf3 Qf7 30.Kg3 Nd1 31.c3 Qf2 32.Kh3 Rf8 33.Kg4 Ne3 34.Kh3 Rf3) 29…Kf7 (29...Kf7 30.Kg3 Qe4 31.a4 Qe3 32.Kg2 Rd8 33.Kh1 Rd2 34.c4 Qe1; 29...Qf7 30.Kg3 Nd1 31.c4 Qf2 32.Kh3 Rf8 33.Kg4 Ne3 34.Kh3 Rf3) 0-1. danishguy (2050) - hippocampus98 (2205), Rated Bullet game, lichess.org, 2020.

6.Nf3 Bg4 7.Be2 Nbd7 8.Nbd2 e5 9.de5 de5 10.Ne5 Be2 11.Qe2 Nh5 12.Ndf3 Re8? 13.Nd3 Nhf6 14.0-0 b6 15.c4 c5 16.b5 Qc7 17.Rad1 Rad8 18.Qc2 Nh5 19.Bg7 Ng7 20.Nf4 h6 21.Rd2 Nf5 22.Rfd1 Re7?? 23.Nd5 Qc8 24.Ne7 Ne7 25.Qe4 Kf8 26.Ne5 Nf6 27.Rd8 Qd8 28.Rd8 Kg7 29.Qb7 Nfg8 30.Rg8! (30.Rg8 Kf6 31.Ng4 Kg5 32.Qe7 Kh5 33.Nf6 Kg5 34.Qe5 Kh4 35.Qf4) 1–0. Fournier,Frederic (1675) – bodocuais, Active, 2008.

6.Nf3 Bg4 7.Be2 e6 8.0-0 d5 9.h3 Bf3 10.Bf3 c6 11.Nd2 Nbd7 12.c4 dc4 13.Nc4 Nb6 14.Rc1 Nc4 15.Rc4 Nd5 16.Qc2 Qe7 17.Rd1 Qg5 18.e4 Nf4 19.Kh2 Rfd8 20.Bc1 Qf6 21.e5 Qg5?? 22.g3+- Qe7 23.Bf4 f5 24.ef6! Bf6 25.Be5 Be5 26.de5 Rd1 27.Qd1 Rd8 28.Rd4 Rd4 29.Qd4 Kg7 30.Qd6 Qf7 31.Kg2 h5 32.g4 hg4 33.hg4 Kh6 34.Qd8 Qf4 35.Qf6 Qf6 36.ef6 g5 37.Be4 a6 38.Kg3 c5 39.bc5 b5 40.cb6 a5 41.b7 e5 42.b8Q a4 43.Qh8 (43.Qf8) 1–0. mihai740609 – szachista2007, kurnik, 2011.

6.f4 Nd5 7.Qd2 c5 8.c4 Nb6 9.bc5 dc5 10.d5 Bb2 11.Qb2 e6 12.e4 ed5 13.ed5 Re8 14.Kf2 Qh4 15.g3 Qg4 16.Nf3 N8d7 17.h3 Qf5 18.Nbd2 Nf6 19.Bg2 Ne4? 20.Ne4+- Qe4? 21.Rhe1 Qc4 22.Re8 1–0. amator111 (1700) – pomidor23 (1705), kurnik, 2011.

6.f4 Nbd7 7.Nf3 Qe8 8.Bd3 h6 9.0-0 e5 10.fe5 de5 11.de5 Ng4 12.Nbd2 Nge5 13.Ne5 Ne5 14.Be5 Qe5 15.Nc4? Qa1–+ 16.Qa1 Ba1 17.Ra1 Be6 18.Ne5 a6 19.Kf2 Rac8 20.h3 Kg7 21.g4 c5 22.b5 c4 23.Be4 Rc7 24.b6 Re7 25.Bf3 Rd8 26.Ke2?! Bd5 27.e4?? Re5–+ 28.Rd1 Ree8 0–1. amator111 (1640) – 60piter, kurnik, 2011.

6.Nf3 Nbd7

7.Bc4 e6 (7...Nb6 8.Bb3+=) 8.0-0 Qe7 9.Bb3 b6 10.Nbd2 Bb7 11.Qe2 c5 12.dc5 bc5 13.b5 a6 14.c4 (14.a4 h6=) 14...e5 15.Nb1 (15.e4 Qd8=) 15...Ng4 (15...ab5!? should be considered 16.cb5 d5-/+) 16.e4 f5 (16...ab5 17.cb5 Nb6 18.Nc3+=) 17.Nfd2 (17.Nc3 fe4 18.Ne4 Ngf6=) 17...Qh4 Ngf6 19.ef5 gf5 20.Nc3 e4 21.Nd5?? (better is 21.a4+=) 21...Nd5–+ 22.Bg7 Nf4 (22...Nf4 23.Qe3 Qg5–+ (23...Kg7?! 24.g3 Qh3 25.gf4 Qg4 26.Qg3–+); 22...Kg7?! is a useless try 23.cd5 ab5 24.Qb5=) 0–1. Torrado Quintela,Julio (2120) – Fluvia Poyatos,Joan (2400), ESP–ch U18 Oropesa del Mar, 2000. (=1.a3 g6 2.b4 Nf6 3.d4 Bg7 4.Bb2 0-0 5.e3 d6)

7.Be2 e5 8.de5 de5 9.0-0 (worse 9.Be5 Ne5 10.Ne5 Nd5-/+) 9...a5 (9...e4 10.Nd4=) 10.b5 (10.Ne5!? Ne5 11.Qd8 Rd8 12.Be5+=) 10...Qe7= 11.c4 Nc5 (11...Rd8 12.Qc2=) 12.a4 (better 12.Be5!? Rd8 13.Bd4+/-) 12...Rd8=+ 13.Qc2 Bf5 14.Qc3 Nfd7 15.Rd1 Nb6 16.Rd8 Rd8 17.Ba3 (worse 17.Ne5 Qe6 18.f4 f6-+; 17.Qa5? Nb3 18.Qe1 Na1 19.Ba1 Na4-+) 17...Bg4 18.Bc5 (18.Qa5? A) 18...Nba4 19.Qa4 e4 20.Nd4 Be2 21.Qa7=+ (21.Ne2?? Na4 22.Nd2 Qd7-+); B) 18...e4 19.Nd4 Be2-+) 18...Qc5 19.e4 Bf3 20.Bf3 (20.gf3 Qd4-/+) 20...Qc4 21.Qc4 Nc4 22.Nc3 Rd4 23.h3 Nb6 24.Rd1 Bf8 25.Kf1 Bb4 26.Nd5 Na4 27.Rd4 ed4 28.e5 c5 29.bc6 bc6 30.Nf6 Kg7 31.Bc6 Nc3 (better 31...Nb2!?-+) 32.Nd5 d3 33.Nc3 Bc3 34.f4 g5! 35.g3 (35.fg5 Be5 Deflection) 35...gf4 (35...h5 36.h4 gh4 37.gh4-+) 36.gf4-/+ Bd2 37.f5 Bf4 38.Kf2 d2 39.Ke2 Be5 40.Kd2 Kf6 41.Be8 Ke7 (41...Kf5 42.Bf7 a4 43.Kd3-+) 42.Bc6 Kd6 43.Be8 f6 44.Kd3 Kd5 45.Bf7 Kc5 46.Be6 h5 47.h4 Kb4 48.Bf7 Bg3 49.Bh5 Bh4 50.Bf7 a4 51.Kc2 Bf2 52.Kb1 Kc3 53.Ka2 Bc5 54.Be6 Bf8 55.Bf7 Kd4 56.Be6 Kc5 57.Bd7 Kb4 58.Be6 Be7 59.Bd7 Bd6 60.Be8 Bc5 61.Bf7 Bd6 62.Be6 (62.Be8 a3-/+) 62...Bc5 63.Kb2 (63.Bf7 Bd4-/+) 63...Bd6 64.Ka2 Bc5 65.Bf7 (65.Kb2 a3 66.Ka2-/+) 65...Bd6 (better 65...Bd4!?-/+) 66.Be6= ½-½. muhammadaudii (2150) - emig2385 (2300), Eastern SuperBlitz Arena, lichess.org. 2020.

7.Nbd2 Re8 8.c4 e5 9.de5 Ng4 10.Qc2 Nge5 11.Ne5 (11.Be2 Qf6 12.Nd4 Nb6=) 11...de5 (11...Ne5 12.Be2=+) 12.0-0-0 (12.Bd3!?+=) 12...Qe7 13.c5 a5 14.Bc4 (14.c6 bc6 15.Qc6 Rb8 16.ba5 Nc5-/+) 14...Nf6 (14...ab4 15.ab4 Nf6 16.e4-/+) 15.h4 (15.b5 c6=+) 15...Be6 (15...ab4!? 16.ab4 b6-/+) 16.h5 (16.Be6 Qe6 17.b5 Qg4=) 16...Nh5 17.Be6 Qe6 18.Nc4? (better 18.b5!?=+) 18...ab4–+ 19.ab4 b5 (19...e4 20.Bg7 Ng7 21.Na5–+) 20.Na5 (20.cb6 cb6 21.Rd6 Qe7 22.Rb6 Rec8–+) 20...Nf6 (20...Qg4 21.f3 Qb4 22.Nc6–+) 21.Rd2 Nd5 (better 21...e4!?–+) 22.Qb3=+ Nf6 23.Qe6 (23.Qc2 Red8 24.Rd8 Rd8 25.Qe2–+) 23...Re6-/+ 24.Rhd1 Ree8 25.Nc6 Ne4 26.Re2 (26.Rd7 Nf2 27.Rf1 Bh6=) 26...Nf6 (better 26...Ra6!? 27.Nd8 Bf6-/+) 27.Be5 h5 28.f4 Ng4 29.Bg7 (29.Bc7 Ra1 30.Kd2 Ra2 31.Ke1 Bc3 32.Kf1 Ne3 33.Re3 Re3–+) 29...Kg7 Exerts pressure on the backward pawn 30.e4? (30.Rd3 Nf6=) 30...Re6?? (better 30...Ra1 31.Kd2 Ra2 32.Ke1 Re2 33.Ke2 Re4 34.Kd2 Ne3–+) 31.Nd4= Re7 (better 31...Ra1 32.Kd2 Ra2 33.Nc2 Rf6=) 32.Nb5?? (32.Kb2 Kh7+-) 32...Rb8 (better 32...Ra1 33.Kd2 Rd7 34.Nd6 Rd1 35.Kd1 cd6=+) 33.Nd4+= Rb4 34.e5 (34.Kc2 Re8 35.Kc3 Ra4+=) 34...Rc4= 35.Kb2 (35.Rc2!? Rc2 36.Nc2=) 35...Rc5=+ 36.Nf3 (36.Kb3 c6 37.Kb4 Rd5=+) 36...Nh6 (36...Rc4 37.Rd4 Rd4 38.Nd4-/+) 37.Nd4=+ Rc4?? (better 37...c6=+) 38.Kb3+- Rc5 39.g3?? (better 39.Kb4 Rd5 40.Nf5 Nf5 41.Rd5+-) 39...Re8 40.Nf3?? (better 40.Kb4 Rd5 41.Nf5 Nf5 42.Rd5 Rb8 43.Kc3 Ng3 44.Rc2=) 40...Rb8–+ 41.Ka4 Nf5 (41...Rc4 42.Ka5 Rc3 43.Ka4 Rf3 44.e6 fe6 45.Rc2–+) 42.Rd7 (42.Re4–+) 42...Rc4 43.Ka3 Rc3 44.Ka4 (44.Ka2 Ng3 45.Rg2 Rf3 46.e6–+) 44...Rf3 45.e6 Rf8 (45...c5 46.Ra2 Rfb3 47.Rb7 R3b7 48.ef7 Ra8) 46.Rc7 Rg3 (46...Ng3 47.Re1–+) 47.Re5 (47.e7 Re8–+) 47...Re3 48.Re3 Ne3 49.e7 (49.Kb5 Kf6 50.e7 Re8–+) 49...Re8 50.Kb5 Nd5 51.Kc6 (51.Rc4–+) 51...Nc7 52.Kd7 Re7! 53.Ke7 Nd5 (53...Nd5 54.Kd6 Nf6–+) 0–1. TwelveTeen (2590) – jimakos (2540), lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.e3 d6)

7.Be2 Re8 8.0-0 e5 9.c4 ed4 10.Nd4 Ne5 11.Nc3 Bg4 12.Bg4 Neg4 (12...Nfg4 13.Qe2=) 13.Nce2 (13.Nd5 Ne5 14.Rc1 c6 15.Nf6 Qf6=) 13...Qe7 14.Nf3?? (14.Nf4 Ne5 15.Qe2 a5=) 14...Ne4?? ( 14...Ne3 15.fe3 Qe3 16.Kh1 Qe2–+) 15.Bg7+= Kg7 16.Nfd4 (16.Nf4 Ngf6+=) 16...Ne5 (16...Ngf2 17.Rf2 Nf2 18.Kf2 Qe3 19.Kf1=+) 17.f3 Ng5 (17...Nc4 18.fe4 Ne3+=) 18.e4 (18.Ng3 Kh8 19.f4 c5+-) 18...Ne6 (18...Nc4!? 19.Qd3 Ne5-/+) 19.Nc2 (19.Ne6 Qe6 20.Rc1 a5=) 19...Qf6 (19...a5=) 20.Ned4 (20.Ne3 a5=) 20...Nd4 (20...Nc4 21.Ne6 Re6=) 21.f4?? ( 21.Qd4 a5 22.Rfd1=) 21...Nc2 ( 21...Nec6 22.b5 Nc2 (22...Re4?! 23.bc6 Nc6 24.Rb1–+) 23.Qc2 Qd4 24.Kh1 Na5–+) 22.fe5 Qe5 23.Qc2 Qe4 24.Rae1?? ( 24.Qb2 Kg8 25.Rac1–+) 24...Qc2 25.Re8 0–1. Slavisa2 – spit, Live Game Caissa's Web, 2004.

5.a3 e6

6.Nf3 d5 7.Be2 c5 (7...a5 8.b5=) 8.0-0 (8.dc5!? b6 9.cb6 ab6 10.0-0+/-) 8...cb4 (8...c4 9.Nbd2=) 9.ab4+= Nc6 10.c4 dc4 11.b5 Ne7 12.Bc4 b6 13.Nc3 Bb7 14.Re1 Bd5 (14...Ned5 15.Ne5+=) 15.Bd3 Bb7 16.e4 Rc8 (16...Qd7 17.Ra4+/-) 17.e5 (17.Ra7!? Rc7 18.Qd2 Ng4+-) 17...Nfd5+/- 18.Nd5 Bd5 19.Ra7 Rc7 20.Rc7 Qc7 21.Qe2 Rc8 22.Rc1 Qd7 23.Rc8 Qc8 24.h4 Bb7 25.h5! Nd5 (25...gh5 26.Nh4 Decoy) 26.g3 Qd7 27.hg6 hg6 28.Be4 Ne7 29.Qe3 (better 29.Bb7!? Qb7 30.Nd2+/-) 29...Be4= 30.Qe4 Nd5 (30...Qb5 31.Qb7=) 31.Bc1 (31.Qh4+=) 31...Qe7 (31...Qb5!? 32.Bg5 Qa4=+) 32.Bg5 (32.Qc2 Bf8+/-) 32...Qf8 (32...Qd7 33.Qc2 Qb5 34.Qc8 Bf8 35.Kg2+=) 33.Bf6 (33.Qc2 Qb8+/-) 33...Bh6 (better 33...Bf6 34.ef6 Qd8=) 34.Ng5?? (34.Qh4 Nf6 35.ef6 Bc1+-) 34...Bg7?? (better 34...Nf6 35.ef6 Bg5-+) 35.Bg7+- Qg7 36.Qh4 f6 (better 36...Nc3+-) 37.Kg2?? (better 37.Ne6 Qd7 38.Qg4+-) 37...fg5-/+ 38.Qg5 Qf7 39.Qd8 Kg7 40.Qh4? (better 40.Qd6-/+) 40...Kg8 41.Qh3?? (41.Qd8 Qf8 42.Qd7-/+) 41...Qg7?? (better 41...Nc7!?-+) 42.Qg4?? (42.Qe6 Qf7 43.Qc6 g5+/-) 42...Kf8?? (42...Nc7 43.d5 Qe5 44.Qg6 Kf8 45.Qh6 Ke7 46.Qh4 Kd6 47.de6 Ne6 48.Qb4 Kd5 49.Qb3 Kc5 50.f4 Qe2 51.Kh3-+) 43.Qf3?? (better 43.Qe6!? Qf7 44.Qd6 Ke8 45.f4+/-) 43...Kg8 44.Qf4?? (44.Qg4 Nc7 45.d5 Qe5 46.Qg6 Kf8 47.Qh6 Ke7 48.Qh4 Kd6 49.de6 Ne6 50.Qb4 Kd5 51.Qb3 Kc5 52.f4-+) 44...Qf7 (better 44...Nf4 45.gf4 Qd7-+) 45.Qg4 (better 45.Qc1-/+) 45...Kg7 46.Qh4 Kf8 (better 46...Qd7!?-+) 47.Qh6 Qg7 (better 47...Ke7-/+) 48.Qg7? (better 48.Qc1=+) 48...Kg7-+ 49.f4 Kf8 (49...Ne3 50.Kf3 Nf5 51.d5 ed5 52.g4 Nd4 53.Ke3 Nb5 54.f5 gf5 55.gf5-+) 50.g4 (50.Kf3 Nc3-+) 50...g5 (50...Nf4 51.Kf3 Nd5 52.Ke2-+) 51.Kf3? (better 51.f5-+) 51...gf4 52.Ke4 (52.Ke4 Kf7 53.Kf3-+). CronusCR (2230) - mouseracer (2015), Rated Bullet game, lichess.org, 2017.

5.c4

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

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

5.Bd3 d6

6.Be2 Nc6 7.b5 Nb8 8.Bf3 c6 9.bc6 Nc6 10.Ne2 Rb8 11.0-0 Bd7 12.a4 a6 13.Nd2 Qc8 14.Ba3 Na5 15.Nb3 Nc4 16.Ng3 Na3 17.Ra3 Nd5 18.Bd5 e6 19.Bf3 Bc6 20.Bc6 Qc6 21.Ra1 Rfc8 22.Rc1 Qa4 23.h3 Rc7 24.Ra1 Qd7 25.Rc1 Rbc8 26.Qd3 Qa4 27.Rfd1 Qb4 28.Ne4 f5 29.Ng5 Re7 30.Nd2 h6 31.Ngf3 Rec7 32.Rb1 Qa5 33.Rdc1 Qd5 34.Nh4 Kh7 35.Nhf3 e5 36.Qb3 Qb3 37.Nb3 e4 38.Ne1 b6 39.f3 d5 40.fe4 de4 41.Ra1 a5 42.Ra4 Bf8 43.Kf2 Bb4 44.g4 Kg7 45.gf5 gf5 46.Ng2 Kf6 47.Nf4 Rc2 48.Rc2 Rc2 49.Kf1 Rb2 50.Nd5 Ke6 51.Nb4 Rb3 52.Nc6 Kd5 53.Ne7 Kd6 54.Nf5 Ke6 55.Nh6 Re3 56.Ng4 Rh3 57.Nf2 Rf3 58.Ke2 Rb3 59.Ne4 Kd5 60.Nf6 Ke6 61.Nh7 Kd5 62.Ng5 Rb2 63.Kd3 Rg2 64.Nf3 Rg3 65.Ke3 Rg4 66.Kf2 Re4 67.Ng5 Rg4 68.Nh7 Rh4 69.Ng5 Rg4 70.Nh3 1–0. wojtekkk – linakip, kurnik, 2011.

6.Nf3 Nc6 7.a3 a6 8.0-0 b5 9.Nbd2 Bb7 10.h3 e6 11.Re1 Ne7 12.c4 bc4 13.Bc4 Ne4 14.Ne4 Be4 15.Bd3 d5 16.Be4 de4 17.Nd2 f5 18.Rb1 Nd5 19.Nf1 f4 20.ef4 Rf4 21.Ne3 Qe7 22.Nd5 ed5 23.Rf1 Raf8 24.Qe2 Qg5 25.Bc1 Bd4 26.Bf4 Qf4 27.Rbd1 Be5 28.g3 Qf5? 29.Qg4?? Qf6?? 30.Rd5+- e3 31.f4 Bd4 32.Qg5?? e2–+ 33.Kg2 ef1Q 34.Kf1 Qg5 35.Rg5 Bb2 36.a4 Bc3 37.b5 ab5 38.ab5 Rb8 39.Rc5 Ba5 40.Ke2 Bb6 41.Rd5 Re8 42.Kf3 Re3 43.Kg4 h5 44.Kh4 Re6 45.g4 hg4 46.hg4 Kf7 47.f5 gf5 48.Rf5 Ke7 49.Kh5 Bd4 50.g5 Rb6 51.g6 Bg7?? 52.Rf7+/– Ke8? 53.Rg7+- Rb5 54.Kh6 c5 55.Rc7 Kd8 56.Rc6 Rb2 57.Rc5 Rh2 58.Kg7 Ke8 59.Rf5 Ke7 60.Rf7 Ke8 61.Kg8 Rg2 62.g7 Rg6 63.Rf8 Ke7 64.Kh7 (64.Kh7 Rg1 65.g8Q Rg8 66.Rg8+-) 1–0. wojtekkk (1640) – sylwiapolska, kurnik, 2011.

5.Be2 b6

6.Bf3 c6 7.b5 Bb7 8.bc6 Bc6 9.Bc6 dc6 10.Nf3 Nbd7 11.0-0 Nd5 12.Nbd2 N7f6 13.c4 Nc7 14.Ne5 Qd6 15.a4 Rad8 16.Ba3 c5 17.Nef3 Qd7 18.d5 Ng4 19.Rb1 Ne5 20.Ne5 Be5 21.Nf3 Bd6 22.Rb5?? Ne8 23.a5= Nc7 24.ab6?? Nb5–+ 25.cb5 ab6 26.Qb1 Ra8 27.Bb2 Ra5 28.Ba1 Qb5 29.Qe4 Qf1! 30.Kf1 Ra1 31.Ke2 Rfa8 32.Ng5 R8a4 33.Qd3 R1a3?? 34.Qb5=+ Kg7 35.Qe8= Ra2 36.Kf3 Kh6?? 37.Nf7+- Kg7 1–0. wojtekkk (1610) – pizecik, kurnik, 2011.

6.Bf3 c6 7.b5 Bb7 8.bc6 Bc6 9.Bc6 Nc6 10.Nf3 Nb4 11.Bc3 a5 12.0-0 Qc7 13.Bb4 ab4 14.Nbd2 Rfc8 15.Ne1 Qc6 16.Nb3 Ne4 17.h3 Nc3 18.Qd2 Ne4 19.Qb4?? e5?? 20.d5 Qd5 21.Nd3? Nc3 22.Qb6+= e4 23.Nf4 Qc4 24.Nd4 Bh6 25.Qf6?? Bg7?? 26.Qd6 Ra2 27.Ra2 Qa2 28.Qd7 Qc4 29.Qe7 Bd4+= 30.ed4 Qd4 31.Qb7 Qc4 32.Ra1= Rc7 33.Ra8 Kg7 34.Qb8 Rc5?? 35.Qg8 Kf6 36.Qh7 Ne2? 37.Ne2 Qe2 38.Qh4 Kg7 39.Qh8# 1–0. wojtekkk – kikito58, kurnik, 2011.

6.Bf3 c6 7.b5 Bb7 8.bc6 Bc6 9.Bc6 Nc6 10.Nf3 Rc8 11.0-0 Qc7 12.h3 Nb4 13.c3 Nbd5 14.a4 d6 15.Nfd2 Nd7 16.Qf3 Qc6 17.c4 Nb4 18.Qc6 Nc6 19.Na3 Na5 20.Rac1 e5 21.d5 a6 22.Bc3 Nc5 23.Bb4 Nd3 24.Rb1+/– Nb4? 25.Rb4+- f5 26.Rb6 e4 27.Ra6 Nb7 28.Rb6 Nc5 29.a5 Bc3 30.Ndb1 Ba5 31.Rd6 Bb4 32.Rb6 Ba3 33.Na3 Nd3 34.Rfb1 Ra8 35.Nb5 Ra2 36.Rf1 Rc2 37.Rg6?? hg6–+ 38.Nd6 1–0. wojtekkk – pizecik (1605), kurnik, 2011.

6.Bf3 Nc6?? 7.b5+- Bb7 8.bc6 dc6 9.Ne2 Rb8 10.0-0 Nh5?! 11.Bh5 gh5 12.Ng3 h4 13.Ne4 c5 14.Qg4?? f5= 15.Qh4 fe4 16.Qg3 Kh8 17.Nd2 cd4 18.ed4 Bd4 19.Bd4 Qd4 20.Rad1 Qg7 21.Qh4?? Qf6 22.Ne4?? Qh4–+ 23.Ng3 Rbd8 24.Rde1 c5 25.Re5 Qf6 26.Ree1 e5 27.Nh5 Qg5 28.Ng3 Rfe8 29.Re3 e4 30.Rfe1 Rd4 31.c3 Ra4 32.R1e2 h5 33.h3 h4 34.Nf1 Qd5 35.Rd2 Qc4 36.Rd7 Bd5 37.f3 Qa2 38.fe4 Rae4 39.Rf3 Re2 40.Rf6 Rg2 41.Kh1 0–1. wojtekkk – wili963 (1620), kurnik, 2011.

5.Be2 c6

6.Bf3 d5 7.a3 a5 8.ba5 Qa5 9.Bc3 Qd8 10.Ne2 Nbd7 11.0-0 Re8 12.Nd2 Kh8 13.h3 Ng8 14.Bb4 e5 15.de5 Ne5 16.Rb1 b6 17.Bc3 Ra3 18.Bb2 Ra8 19.Nd4 c5 20.Ne2 Nf3 21.Nf3 Bb2 22.Rb2 Qf6 23.Rb1 Bb7 24.Ng3 Rad8 25.Nd2 d4 26.e4 Qf4 27.Rb6= Ba8 28.Ne2 Qc7 29.Rb1 Be4 30.Ne4 Re4 31.Ng3 Ree8 32.Qd3 f5 33.c3 Nf6 34.cd4 Rd4 35.Qc3 Kg8 36.Rfd1 Rd1 37.Rd1 Ne4 38.Qb3 Kg7 39.Qb2 Kh6 40.Qc1 Kg7 41.Nf1 Rd8=+ 42.Rd8 Qd8 43.Ne3 Qd4 44.Qb1 h5 45.Qb7 Kh6 46.Qf7 Nd6 47.Qf8 Kh7 48.Qe7 Kh6 49.h4 f4 50.Qg5 Kg7 51.Nf1 Nf7 52.Qe7 c4 53.Qf7 (53.Qf7 Kf7 54.g3–+). wojtekkk (1635) – lily65, kurnik, 2011.

6.Bf3 d5 7.a4 Nbd7 8.Ne2 Re8 9.Nd2 e5 10.de5 Ne5 11.Be5 Re5 12.Nd4 Qd6 13.b5 c5 14.N4b3 b6?? 15.a5?? Bb7?? 16.a6 Bc8 17.c4?? d4?? 18.Ba8+- de3 19.Nf3 ef2 20.Kf2 Ng4 21.Kg3 Rd5 22.Kh3 Nf2 23.Kh4 0–1. wojtekkk – lily65 (1640), kurnik, 2011.

6.Bf3 d5 7.Ne2 Bf5 8.0-0 Na6 9.a3 Nc7 10.Ng3 Bd7 11.Nd2 Nfe8 12.c4 f6 13.c5 e5 14.Be2 ed4 15.Bd4 Ne6 16.Bc3 N8c7 17.Nf3 Kh8 18.Nd4 Nd4 19.Bd4 Ne6 20.h3 Nd4 21.ed4 Qc7 22.Bg4 f5 23.Bf3 Rae8 24.Re1 Qf4 25.Re8 Re8 26.Ne2 Qg5 27.Rb1 a6 28.a4 f4 29.Qd2 Bh3 30.Nf4 Bf5 31.Rd1 Bh6 32.g3 Be4 33.Bg2 Bg2 34.Kg2 Re4 35.Re1 Qf5 36.Qd1 Bf4 37.gf4 Rf4 38.Re8 Kg7 39.Qe2? Re4 40.Re4 Qe4 41.Qf3 Qd4 42.Qg3 Qe4 43.f3 Qe2 44.Kh3 Qe6 45.Kg2 Qe7 46.Qf4 h6 47.Qd4 Kh7 48.b5 ab5 49.ab5 cb5 50.Qd5 Qg5 51.Qg5 hg5 52.Kf2 b4 53.Ke2 Kh6 54.Kd2 Kh5 55.c6 bc6 56.Kc2 c5 57.Kb3 Kh4 58.Kc4 Kg3 59.Kc5 Kf3 60.Kd5 b3 61.Ke6 b2 62.Kf7 b1Q 63.Kg7 g4 64.Kh6 (64.Kf8 g3 65.Kf7 Qf5 66.Ke8 g2 67.Ke7 g1Q 68.Kd8 Qgc5 69.Ke8 Qcf8) ½–½. wojtekkk (1630) – pizecik, kurnik, 2011.

5.Be2 d6

6.Bf3 b6?? 7.Ba8+- Na6 8.Bf3 Nb4 9.Bc3 c5 10.Bb4 cb4 11.Ne2 Ba6 12.0-0 Nd7 13.Re1 e5 14.c3 bc3 15.Nbc3 ed4 16.Nd4 Nc5 17.Be2 Bb7 18.Bf3 Qc7?? 19.Bb7 Nb7 20.Rc1 Rc8 21.Nce2 Qd7 22.Rc8 Qc8 23.h3 Nc5 24.Qc2 Be5 25.Nb5 Qa6 26.Nbd4 Qb7?? 27.Ng3 Qd5 28.Rd1 Qb7 29.Nf3 Bg7 30.Rd6 h5 31.Rd8 Kh7 32.Rd1 Ne6 33.Ne2 Qb8 34.Qd3 Nc5 35.Qd6 Qe8 36.Nf4 Qe4 37.Qd5 Qa4 38.Qf7 Qd1 39.Kh2 Qd6 40.Ng5 Kh6 41.h4 Nd3 42.Qa7 Nf4?? 43.Nf7 Kh7 44.Nd6 Nd3 45.Qb6 Be5 46.g3 Nf2 47.Qc7 Kh6 48.Nf7 Kh7 49.Qe5 Ng4+- 50.Kg2 Ne5 51.Ne5 Kg7 52.a4 Kf6 53.a5 Ke5 54.a6 Kd6 55.a7 Kc5 56.a8Q Kd6 57.Qe8 Kd5 58.e4 Kd4 59.e5 Ke4 60.e6 Kf5 61.e7 g5 62.Qh5 Ke6 63.e8Q (63.e8Q Kd5 64.Qb5 Kd6 65.Qf7 gh4 66.Qbd5#) 1–0. wojtekkk – akordeonista6 (1675), kurnik, 2011.

6.Bf3 c6 7.a4 Qc7 8.b5 e5 9.bc6 bc6 10.c3 Ba6 11.Be2 Nfd7 12.Nf3 f5 13.de5 de5 14.0-0 Kh8 15.Ba6 Na6 16.Qc2 h6 17.Nbd2 Nac5 18.Nc4 Rab8 19.Ba3 Rfe8 20.a5 Nb3 21.Rad1 c5 22.Rb1 Na5=+ 23.Na5 Qa5 24.Rb8 Rb8 25.Bc1 Nb6 26.Qd3 c4 27.Qd6+= Re8 28.Qg6 Qc3?? 29.Qe8+- (29.Qe8 Kh7 30.Nh4+-) 1–0. wojtekkk – jechko (1665), kurnik, 2011.

6.Bf3 Nc6 7.b5 Nb8 8.a4 c6 9.bc6 bc6 10.Ne2 Bb7 11.Nbc3 Qc7 12.0-0 c5 13.Bb7 Qb7 14.Rb1 cd4 15.Nd4 Nc6 16.Nc6 Qc6 17.a5 Rab8 18.Ne2 Rfc8 19.Bf6 Bf6 20.Rb8 Rb8 21.Ng3 Rc8 22.Qg4 Qc2 23.Nh5 Rb8 24.Nf6= ef6 25.Qd7 Qc5 26.a6 Qb6 27.h3 Qa6 28.Rd1 Qc8 29.Qa7= d5 30.Qd4 Kg7 31.Qd5 Rb2 32.Qf3 Qc2 33.Rf1 Rb1 34.Rb1 Qb1 35.Kh2 Qb8 36.g3 Qb2 37.h4 Qe5 38.Qb7 h5 39.Qf3 Qb2 40.Kg2 Qc1 41.e4 Qd2 42.Kh2 Qd4 43.Qf4 Qe5 44.Qe5 fe5 45.f3 f5 46.ef5 gf5 47.Kg2 Kf6 48.Kf2 e4 49.f4?? Ke6–+ 50.Ke3 Kd5 51.Kd2 Kd4 52.Ke2 e3 53.Kd1 Kd3 54.Ke1 e2 55.Kf2 Kd2 56.g4 e1Q 57.Kg2 (57.Kg2 Qe2 58.Kg1 hg4 59.h5 g3 60.h6 Qf2 61.Kh1 Qf1#) 0–1. wojtekkk – mar30max, kurnik, 2012.

6.Bf3 Nc6 7.b5 Nb8 8.Ne2 c6 9.bc6 Nc6 10.0-0 Bg4 11.Nec3 Bf3 12.Qf3 Rb8 13.Ne4 Ne4 14.Qe4 Nb4 15.Nd2 d5 16.Qf3 Nc2 17.Rac1 Nb4 18.a3 Nd3 19.Rc3?? Nb2–+ 20.Rb3 Nc4 21.Qe2 Na5 22.Rbb1 Nc6 23.Nb3 b6 24.a4 e5 25.de5 Ne5 26.Rfd1 Qd7 27.Nd4 Qa4 28.Ra1 Qc4 29.Qd2 a5 30.Rac1 Qa6 31.Rb1 Nc4 32.Qd3 Bd4 33.ed4 b5 34.h4 h5 35.Qf3 Qe6 36.Re1 Qb6 37.Qd5 Rfd8 38.Qg5 Rd4 39.Re7 Rbd8 40.Qe5 Rd1 41.Rd1 Rd1 42.Kh2 Rd8 43.g3 Qc6 44.Qf4–+ Qd5 45.Kh3 Nd2 46.f3 Rd7 47.Re8 Kg7 48.Re5 Qd4 49.Qd4 Rd4 50.Rb5 Nf3 51.Kg2 Ne5! 52.Re5 (52.Re5 a4 53.Ra5–+) 0–1. wojtekkk (1615) – pizecik, kurnik, 2011.

6.Bf3 Nc6 7.b5 Nb8 8.Ne2 Nbd7 9.0-0 Ne8 10.Nd2 e5 11.de5 Ne5 12.Be5 de5 13.e4 f5 14.Qc1 Be6 15.a4 Nd6 16.c4 fe4 17.Be4 Ne4 18.Ne4 Bf5 19.N2g3 Qd4 20.Nf5 gf5= 21.Ng3 e4 22.Rd1? Qa1–+ 23.Qd2?? Qe5 24.h3 Rad8! 25.Qc2 Rd1 26.Qd1 f4 27.Ne2 Qa1 (27...Qa1 28.Qa1 Ba1–+) 0–1. wojtekkk – pluszowy, kurnik, 2011.

6.Bf3 Nbd7 7.a4 c6 8.b5 Qc7 9.bc6 bc6 10.Ne2 e5 11.de5 Ne5 12.Be5 de5 13.Ng3 Rd8 14.Qe2?? e4!–+ 15.c3 ef3 16.Qf3 Be6 17.0-0 Bc4 18.Re1 Bd5 19.Qf4 Qf4 20.ef4 Re8 21.Rc1 Ne4 22.f5 Ng3 23.hg3 gf5 24.Na3 Re2 25.Rab1 Ra2 26.c4 Be4 27.Rb3 Bf8 28.Nb1 Bc5 29.Kf1 Rf2 30.Ke1 Rg2 31.Rcc3 Rg1 32.Ke2 Rb1 33.Rb1 Bb1 34.Rb3 Be4 35.Kd2 Rd8 36.Kc3 Rd3 37.Kc2 Rb3 38.Kb3 a5 39.Kc3 f6 40.Kd2 Kf7 41.Ke2 Ke6 42.Kd2 Ke5 43.Kc3 f4 44.gf4 Kf4 45.Kd2 Ke5 46.Kc3 f5 47.Kd2 f4 48.Ke2 f3 49.Kf1 Kf4 50.Ke1 Bd3 51.Kd2 Bc4 52.Kc3 Ba6 53.Kd2 f2 54.Kc3 f1Q 55.Kb3 Qd3 56.Kb2 Bd4 57.Kc1 Qc3 58.Kd1 Qd3 59.Kc1 Be3 60.Kb2 Qd2 61.Kb3 Qb4 62.Kc2 (62.Kc2 h5 63.Kd1 Qd2). wojtekkk – giovanni5, kurnik, 2011.

6.Bf3 Nbd7 7.Ne2 c6 8.0-0 Qc7 9.Nd2 e5 10.de5 de5 11.Ng3 Re8 12.a3 b6 13.b5 Bb7 14.bc6 Bc6 15.Bc6 Qc6 16.Nf3 Rac8 17.c3 Nc5 18.Qc2 Nce4 19.Ne4 Ne4 20.h3 f5 21.Rfd1 h6 22.c4 Qc4 23.Qb1 Qe2 24.Rf1 Rc2 25.Ne1 Rb2 26.Qc1 Nd2 27.Qc6 Qf1 28.Kh2 Qb5 29.Qb5 Rb5 30.Nd3 Rb3 31.Nb4 f4 32.ef4 ef4 33.Rd1 Bc3 34.Nc6 Ra3 35.Rc1 b5 36.g3 fg3 37.fg3 b4 38.h4–+ Re2 39.Kh3 Ne4 40.Nb8 Be5 41.Nd7 Rg3# 0–1. wojtekkk (1640) – crazyhorse66, kurnik, 2011.

6.Bf3 Nbd7 7.Ne2 c6 8.a3 d5 9.Nd2 Nb6 10.c4 dc4 11.Bc3 Be6 12.0-0 Bd5 13.Ng3 Bf3 14.Nf3 Nfd5 15.Qc2 h5 16.Ne4 f5 17.Nc5 Qd6 18.Nb7+/– Qf6 19.Nc5 a5? 20.ba5 Nc8 21.Nd7 Qd6 22.Nf8 Bf8 23.Ne5 Qe6 24.h3 Nd6 25.Nc6 Ne4 26.Nb4 Nec3 27.Nd5 Nd5 28.Qc4 Rc8 29.Qb5 Nc3 30.Qb7 Rd8 31.a6 Qc8 32.Qb3 Nd5 33.Rfc1 Qa6 34.Rc5 e6 35.Rcc1 Kg7 36.a4 Kh6 37.a5 Rd7 38.Rc2 Rb7 39.Qa4 Rb4? 40.Qe8+- Bg7 41.h4?? Rb7? 42.Qd8?? Nf6 43.Rac1 Rd7 44.Qc8 Qa5+= 45.Rc5 Qd2 46.Qa6 (46.Qa6 Ne4 47.R5c2+=) 1–0. wojtekkk – stalrud, kurnik, 2011.

5.Nf3 b6

6.b5 Bb7 7.Be2 a6 8.a4 a5 9.c4 e6 10.0-0 d6 11.Nbd2 c6 12.h3 cb5 13.cb5 Nbd7 14.Rc1 Rc8 15.Qb3 Qe7 16.Rc4 Bd5 17.Rc8 Bb3 18.Rf8 Kf8 19.Nb3 Qd8 20.Rc1 Nd5 21.Rc6 N7f6 22.Ba3 Ke7 23.Bd6 Ke8 24.Ne5 Ne4 25.Bc7 Nc7 26.Rb6 Be5 27.de5 Nc3 28.Bf1 N7d5 29.Rd6 Qg5 30.Nd4 Qe5 31.Rc6 Nb4 32.Rc3 Qd5 33.Rc8 Ke7 34.b6 Qb7 35.Rc7 1–0. mihai740609 – akai, kurnik, 2012.

6.b5 Bb7 7.Be2 c6 8.c4 cb5 9.cb5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 d6 13.0-0 Nbd7 14.Nc3 Nd5 15.Nd5 Bd5 16.Bb2 Qc7 17.Qa4 Ra8 18.Qd1 Ra2 19.Qb1 e5 20.Rc1 Qa7 21.e4 Be4 22.Qe4 Rb2 23.Rc8 Nf8 24.de5 Qa1 25.Bf1 de5 26.Ne5 Rb1 27.Qe2 Be5 28.h3 Bg7 29.Rc2 Re1 30.Qd2 Qe5 31.g3 Bh6 32.f4 Qe3 33.Qe3 Re3 34.Kf2 Rb3 35.Rc6 Bg7 36.Bc4 Bd4 37.Ke2 Rg3 38.Rc7 Ne6 39.Be6 fe6 40.Rc6 Rh3 41.Re6 Kf7 42.Rc6 Rh4 43.Kf3 Rh3 44.Kg4 Re3 45.Rc7 Re7 46.Rc6 h5 47.Kf3 Re3 48.Kf2 Rc3 49.Ke2 Rc6 50.bc6 1–0. mihai740609 – pizecik, kurnik, 2012.

6.c4 Bb7 7.Qc2 d6 8.Be2 Nbd7 9.0-0 c5 10.dc5 bc5 11.b5 Bf3 12.Bf3 (worse is 12.gf3 Qc7=) 12...Rb8 13.a4 Ne8 14.Bg7 Kg7 15.Nd2 Kg8 16.a5 Ne5 17.Rfd1 Nc7 18.Ne4 Nf3 19.gf3 Ne6 20.Nc3 Qc7 21.Nd5 Qb7 22.Rdb1 Rfe8 23.b6 a6 24.f4 Ng7 25.Qe4 Kf8 26.Nc3 Nf5 27.Qb7 Rb7 28.Nd5 Kg7? 29.Nc7+- Rc8 30.Na6 Nh4 31.Nc7 Rcc7 32.bc7 Rc7 33.a6 Nf3 34.Kg2 Nd2 35.Rb7 Rc8 36.a7 Nc4 37.a8Q Ra8 38.Ra8 Kf6 39.Raa7 d5 40.Re7 Nd6 41.Red7 Ke6 42.Rdc7 c4 43.Ra6 Kf5 44.Rd6 d4 45.Rd4 h5 46.Rcc4 Kf6 47.Kg3 Kg7 48.Kh4 Kf8 49.Kg5 Ke7 50.Rc6 Kf8 51.Rd7 Ke8 52.Ra7 Kf8 (52...Kf8 53.Kh6 h4 54.Rc8#; 52...Kd8 53.Rd6 Kc8 54.Rf7 h4 55.Rg6 Kd8 56.Rg8#). ourang – auditore1, kurnik, 2012.

6.c4 Bb7 7.Be2 d6 8.Nbd2 Nfd7 9.0-0 c5 10.b5 e6 11.Qc2 d5 (11...a6 12.ba6 Na6 13.Rfb1=) 12.cd5 Bd5 13.dc5 Nc5 14.Bg7 Kg7 15.Rfd1 Qf6 16.Rac1 (16.e4!? Bb7 17.e5+/–) 16...Nbd7+= 17.Qc3 (17.Nc4 Rfd8+=) 17...e5 (17...Qc3 18.Rc3 Ba2 19.Ra3=) 18.Nf1 (better is 18.Bc4 Bc4 19.Nc4+=) 18...Rac8?? (better is 18...Ba2 19.Qa3 Be6+=) 19.Rd5+- e4 20.Qf6 Kf6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

6.Nbd2 Bb7 7.c4 d5 8.cd5 Nd5 9.a3 c5 (9...a5 10.b5=) 10.bc5= bc5 11.Bc4 (11.Qb3 Qc7 12.Bc4=) 11...Nc7 (11...Nc6 12.Rb1 cd4 13.Nd4 Nd4 14.Bd4=+) 12.Qc2 (12.Rb1 Nd7 13.0-0 Rb8+=) 12...cd4= 13.ed4 (13.Nd4 Nd7=) 13...Nc6 (13...Nd7 14.Rc1 Rc8 15.0-0-/+) 14.0-0 (14.d5!? Bb2 15.dc6 Ba1 16.cb7=) 14...Nd4 15.Nd4 Bd4 16.Bd4 (16.Rad1!? Bb2 17.Qb2=+) 16...Qd4-/+ 17.Rad1 Qb6 (17...Rac8 18.Nb3 Qb6 19.Nc5-/+) 18.Rb1 Qc6 19.Nf3 Rab8 (19...Ne6!? 20.Rfc1 Rab8=+) 20.Bf7= Kf7. tflk – ulla, gameknot.com, 2014.

5.Nf3 d5

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

6.Bd3 c6 7.b5 Bg4 8.bc6 Nc6 9.h3 Bf3 10.Qf3 e6 11.0-0 Nb4 12.a3 Nd3 13.cd3 Qb6 14.Qe2 Rac8 15.Nc3 a6 16.Rfb1 Qd6 17.f3 e5 18.de5 Qe5 19.d4 Qd6 20.a4 Rfe8 21.Re1 Nh5 22.Kf2 Ng3 23.Qd2 Nf5 24.f4 g5 25.g4 Nh4 26.Kg3 h6 27.Qh2 Re7 28.Kf2 Ng6 29.f5 Qh2 0–1. mihai740609 – merdzhanov, kurnik, 2012.

6.Be2 b6 7.b5 Bb7 8.0-0 c6 9.a4 cb5 10.ab5 Re8 11.Nbd2 Nfd7 12.c4 dc4 13.Nc4 e5? 14.de5 Qe7? 15.Qb3 Ne5?? 16.Ba3 Qe6+/– 17.Nd4 Qd5 18.Ne5?? Qg2 (18...Re5 19.Qd5 Bd5 20.Rfc1+/–; 18...Be5 19.Qd5 Bd5 20.Bb2+=; 18...Qe5 19.Bc4 Qc7 20.Rac1 Bd4 21.ed4+-) 0–1. mihai740609 – pawiankoski1, kurnik, 2011.

6.Be2 Nbd7 7.0-0 e6 8.c4 b6 9.Nbd2 Bb7 10.c5 a5 11.a3 ab4 12.ab4 Qe7 13.Qc2 bc5 14.bc5 Bc6 15.Ra8 Ra8 16.Ra1 Ra1 17.Ba1 Ne4 18.h3 Nd2 19.Nd2 e5 20.Nb3 ed4 21.Bd4 Bd4 22.Nd4 Ne5 23.Qb3 Qc5?? 24.Qb8+- Kg7 25.Nc6 Qc6=+ 26.Bf3 Nf3 27.gf3 Qd7 28.Qb2 f6 29.Kg2 c5 30.Qb6 c4 31.Qc5 g5 32.Qd4 Qc6–+ 33.Qc3 h5 34.Kg3 Kg6 35.f4 Qd6 36.Qd4 gf4 37.ef4 Qc6 38.Qc3 Qc5 39.f3 d4 40.Qe1–+ d3 41.Qe4 Kh6 42.Qe6 Qg1 43.Kh4 Qf2 0–1. mihai740609 – hudy124, kurnik, 2011.

5.Nf3 d6

6.a3 Nbd7 7.c4 c6 8.Qb3 Qc7 9.Nc3 e5 10.Rc1 e4 11.Nd2 a5 12.Nde4 Ne4 13.Ne4 a4 14.Qc3 c5 15.Be2 cd4 16.ed4 Nf6 17.Nf6 Bf6 18.0-0 Bf5 19.Bf3 Rac8 20.Rfe1 b5 21.c5 dc5 22.bc5 Be6 23.Qb4 Bc4 24.h3 Rfd8 25.Rc4 bc4 26.Qc4 Rb8 27.Bc3 Rb3 28.Rd1 Ra3 29.Bb4 Rf3 30.gf3 Qf4 31.Qe2? Rd4 32.Rd4 Bd4 33.Bd2? Qg3–+ 34.Kf1 Qh3 35.Ke1?? Qh1 36.Qf1 Qf3 37.Bb4 Bc3 38.Bc3 Qc3 39.Ke2 Qc5 40.Qd1 Qh5 41.f3 Qe5 42.Kf2 Qb2 43.Kg3 Qb8 44.Kg2 Qb2 45.Kg3 a3 46.Qd8 Kg7 47.Qd5 a2 48.Qe4 a1Q (48...a1Q 49.Qe3 Qh1 50.Qf2 Qe5 51.f4 Qc3 52.Qe3 Qe3 53.Kg4 Qh5#) 0–1. minzuhar (1965) – atanas70 (1745), kurnik, 2012.

6.b5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 cb5 11.cb5 Bd7 12.Be2 Qa5 13.Bc3 Qb6 14.Qb3 Ne4 15.Bb2 Be6 16.Bc4 Bc4 17.Qc4 Nd7 18.0-0 Ndf6 19.Nbd2 d5 20.Qb3 Nd6 21.h3 Qb5=+ 22.Qb5 Nb5 23.Rb1 Nd6 24.Ne5 b5 25.Ba3 Rb8 26.Bd6 ed6 27.Nc6 Rb7 28.f3 Ne8 29.Kf2 Nc7 30.Nd8 Ra7 31.Nc6 Ra2 32.Ke1 Bh6 33.f4 g5 34.g3 gf4 35.gf4 Kg7 36.Rc1 Kg6?? 37.Nb4 Ra7 38.Rc6 Bf8 39.Ke2 Kh5 40.Nf3 Kg6 41.Nd2 1–0. mihai740609 – polynesia46 (1720), kurnik, 2011.

6.b5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 cb5 11.cb5 Nbd7 12.Bd3 b6 13.0-0 Bb7 14.Nbd2 Qc7 15.Qb3 Rc8 16.Bb2 e6 17.Rc1 Qb8 18.Rc8 Qc8 19.Qc2 Qa8 20.h3 Nf8 21.Qc7 Bf3 22.Nf3 Qa2 23.Bc3?? Qb3?? 24.Bf1?? Nd5–+ 25.Qc4? Qc3 26.Qc3 Nc3 27.Nd2 Nd7 28.Nc4 d5 29.Nd6 Kf8 30.f3 Ke7 31.Nb7 Nb5! 32.Bb5 Bh6 33.Kf2 f5 34.g4 fg4 35.hg4 Bg5 36.f4 Bh4 37.Ke2 Nf6 38.g5 Ne4 39.Kd3? Bf2–+ 40.Ba4 Ng3 41.Bb5 Nf5 42.e4 Nd4 43.ed5? ed5 44.Ba4 Nf5 45.Bb3 Kd7 46.Bd5=+ Ng3 47.Bg8 Nh5 48.Ke4 Kc6 49.Nd8= Kc5?? 50.Bh7+- b5 51.Bg6 (51.Bg6 Ng3 52.Kf3+-) 1–0. mihai740609 (1610) – serko, kurnik, 2011.

6.b5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Nbd2 Re8 11.Bd3 Bg4 12.0-0 Nbd7 13.h3 Bf3 14.Qf3 Qc8 15.c4 e5 16.Ne4 ed4 17.Bd4 Ne4 18.Be4 Bd4 19.Bb7 Ne5 20.Qd5 Qe6 21.ed4 Qd5 22.Bd5 Nd3 23.Rd1 Nf4 24.Bc6 Re7 25.Kf1 Ne6 26.Bd5 Nf4 27.Bf3 Kg7 28.c5 Ne6 29.Bd5 Nf4 30.Bf3 Ne6 31.cd6 cd6 32.b6 Ng5 33.Bc6 Ne6 34.d5 Nc5 35.Ra1 Kf6 36.Ra7 Re5 37.b7 Nd3 38.g3 Re1 39.Kg2 Rb1 40.Ra8 Ne1 41.Kh2 Nf3 42.Kg2 Ne1 43.Kf1 Nf3 44.Ke2 Nd4 45.Ke3 Nf5 46.Kd3 Rd1 47.Kc2 Rf1 48.b8Q Rf2 49.Kb1 Rf1 50.Kc2 Rf2 51.Kb3 Nd4 52.Kc4 Rc2 53.Kd3 1–0. mihai740609 – dudagracz, kurnik, 2012.

6.b5 b6 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 b6 7.b5).

6.b5 Bd7 7.c4 c6 8.a4 h6 9.Be2 Ne4 10.0-0 c5 11.Nbd2 f5 12.Qc2 Nf6 13.dc5 dc5 14.Nb3 b6 15.Ne5 Be8? 16.Bf3 Nbd7 17.Ba8 Qa8 18.Nd7 Bd7 19.Rad1 Be6 20.Nd2 Kh7 21.Be5 Ng4 22.Bg3 Kh8 23.h3 Nf6 24.Nf3 Ne4 25.Be5 Be5 26.Ne5 Kg7 27.Qb2 Kh7 28.Nc6 Qb7 29.Qe5 Rf6 30.f3 Nd6 31.Nd8 Qd7+/– 32.Ne6 Re6? 33.Qc3+- Qe8 34.Rd5 Qf7 35.Rfd1 Rf6 36.Qd3 Qe6 37.Kf2 Kg7 38.Ke2 Kf7 39.Kd2 g5 40.Re1 Kg7 41.f4 g4 42.hg4 Ne4? 43.Kc2 fg4 44.Re5 Nf2 45.Qe2 Qf7 46.Qf2?? Qg6?? 47.Kc3 Rd6. mihai740609 – bonito (1680), kurnik, 2011.

6.b5 Re8 7.c4 Nbd7 8.Nbd2 e5 9.de5 Ne5 10.Ne5 de5 11.Be2 Bf5 12.0-0 c6 13.a4 Qe7 14.Qb3 Be6 (14...Rad8 15.Rfd1=) 15.Qc2 Bf5 16.Qb3 (16.e4 Be6+=) 16...Be6 17.Qc2 Bf5 18.Qb3 (18.e4 Be6+=) 18...Red8 19.Rfd1 c5 20.Nf3 Ne4 (20...e4 21.Ne1=) 21.Rd8 Rd8 22.a5 b6 23.ab6 ab6 24.h3 h6 25.Ra6 Rd6 26.g4 Bd7 27.Ra7 f5 28.gf5 gf5 29.Bd3 (29.Kf1!?=) 29...Ng5-/+ 30.Ng5 Qg5 (worse 30...hg5 31.Bf5 Qe8 32.Qc2+-) 31.Kf1 f4 32.ef4 Bh3 (32...ef4 33.Be4 Bb2 34.Bd5 Rd5 35.cd5=+) 33.Ke2 Qf4 34.Qc2 (34.Qc3 Rf6 35.Kd1 Qg4 36.Kc1 Rf2-+) 34...Bg4 (34...Qg4 35.Ke3 Bg2 36.Rg7 Qg7-+ (36...Kg7?! 37.Be5 Kf7 38.Bd6 Qd4 39.Ke2 Qd6 40.Be4=)) 35.Kf1?? (better 35.Ke1 Qh2 36.Ra8 Kf7 37.Ra7 Kf6 38.Ra1-/+) 35...Bh3 36.Kg1?? (better 36.Ke2=) 36…Qg4 (36...Qg4 37.Kh2 Qg2; 36...Qg5 37.Kh2 Qg2) 0-1. muhammadaudii (2150) - agung18 (2135), NBL week, lichess.org. 2020.

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

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

6.Bd3 Nc6 7.a3+=.

6.Bd3 Nd5 7.a3= f5 (7...e5!?=) 8.0-0 Nf6 9.Nbd2 (9.h3 Nc6+=) 9...h6 (9...Nc6!?+=) 10.Nh4+/– Kh7 11.h3 (11.Qf3 e6 12.e4 g5 13.ef5 gh4 14.fe6 Kg8+=) 11...e6 12.Nhf3 g5 (12...Nc6 13.b5 Ne7 14.Qe2+=) 13.Nh2 (13.Re1 Nc6+/–) 13...b6 14.e4 Kh8 15.ef5 ef5 16.Qf3 (16.Re1 Nc6+/–) 16...d5 17.Rfe1 (17.Bf5? Bf5 18.Qf5 Ne4–+) 17...Ne4 18.Be4 (18.Qe3!?+/–) 18...fe4 (18...de4 19.Qc3+=) 19.Qe3= Nc6 20.c3 (20.Ng4!?=) 20...Ne7+= 21.g4 (21.f3 Nf5 22.Qe2 Ng3+=) 21...Ng6 22.f3 ef3 23.Ndf3 (23.Nhf3 Bb7-/+) 23...Qf6 (23...Nf4 24.Ne5–+) 24.Bc1 (24.Ne5 Nf4-/+) 24...Bd7 (24...Nf4 25.h4-/+) 25.Ne5 Rae8 26.Ng6 (26.Nhf3!?-/+) 26...Qg6–+ 27.Qg3 (27.Qd2 Bb5–+) 27...Re1 (27...Qd6!? 28.Re3 Qg3 29.Rg3 Re1 30.Kg2 Re2 31.Kg1–+) 28.Qe1 Re8 29.Qd2?? (29.Be3 Qe4 30.Bf2 Qd3–+) 29...Qe4 (better is 29...Bb5 30.Ra2 Qb1–+) 30.Ra2 (better is 30.Bb2–+) 30...Qe1?? (30...Bb5 31.Ra1 Qg6–+) 31.Qe1?? (better is 31.Kg2-/+) 31...Re1–+ (31...Re1 32.Kf2 Rc1–+) 0–1. Parker,Kaja – Girdziusas,Kestutis, 27th NATO Chess, 2016.

6.Bd3 Nbd7 7.0-0 e5 8.de5 Ng4 9.Nbd2 Nde5 10.Rb1 a5 11.b5 Be6 12.h3 Nd3 13.cd3 Ne5 14.Qa4 Re8 15.a3 Bf5 16.e4 Bd7 17.Ne5 de5 18.Nf3 c5 19.Qc4 b6 20.a4 Be6 21.Qc2 Qd6 22.Rbd1 Rad8 23.Ng5 Bc8 24.Qc4 Re7 25.Kh1 Qf6 (25...h6!? 26.Nf3 Be6+=) 26.f4= ½–½. Skalozubov,Alexander (2235) – Paramonov,Dimitriy (2350), Serpukhov–F, 2003.

6.Bd3 Bg4 7.Nbd2 b6 8.h3 Bd7 9.0-0 h6 10.b5 c6 11.c4 cb5 12.cb5 a6 13.a4 ab5 14.ab5 Ra1 15.Qa1 Be6 16.Rc1 Nbd7 17.Qa7 Qb8 18.Rc7 Qa7 19.Ra7 Rc8 20.Kh2 h5 21.g3 Kh7 22.Ra2 Kh6 23.Ne4 Ne4 24.Be4 Nf6 25.Bc6 Bd5 26.Bd5 Nd5 27.Ra7 Nc7 28.Rb7 Nb5 29.Rb6 Nc7 30.Rb7 Bf6 31.Ba3 Nd5 32.Rb5 Nc3 33.Rb7 Ne4 34.Kg2 Rc2 35.Rb4 Rf2 36.Kg1 Rf3 37.d5 Re3 38.Bc1 Bg5 39.Be3 Be3 40.Kg2 Nf6 41.Rb7 Nd5 42.Kf3 Bc5 43.Ke4 Nc3 44.Kd3 Nd1 45.Re7 Nf2 46.Ke2 1–0. mihai740609 – milekier, kurnik, 2012.

6.Be2 b6 7.0-0 Bb7 8.Nbd2 Nbd7 9.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7 9.Nbd2).

5.Nf3 e6

6.c4 c6 7.Be2 d5 8.c5 Nbd7 9.0-0 Ne4 10.Nc3 Ng5 11.Qc2 Nf3 12.Bf3 Nf6 13.a4 a6 14.b5 cb5 15.ab5 Bd7 16.b6 Bc6 17.Na2 Nd7 18.Nb4 Nb8 19.Bd1 Qd7 20.Qd2 Bb5 21.Re1 Nc6 22.Ba4 Nb4 23.Qb4 Ba4 24.Qa4 Qa4 25.Ra4 Rfc8 26.Rc1 Rc6 27.h3 Rac8 28.Raa1 Bf8 29.Rc2 Be7 30.Rac1 Kg7 31.f3 f5 32.e4 de4?? 33.d5+- Kf7 34.dc6 Rc6 35.fe4 f4 36.Be5 g5 37.Kf2 h6 38.Kf3 h5 39.g3 fg3 40.Bg3 Bf6 41.e5 Be7 42.Ke4 Kg6 43.Bf2 g4 44.hg4 hg4 45.Rg1 Kg5 46.Be3 Kh5 47.Rh2 Bh4 48.Rgh1 (48.Rgh1 Kg6 49.Rh4 Kg7 50.Rg4 Kf8 51.Rh8 Kf7 52.Bh6 Rc5 53.Rg7#) 1–0. ourang – gresor, kurnik, 2012.

6.c4 d5 7.c5 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 c6 11.Be2 Nbd7 12.0-0 Qc7 13.Nc3 e5 14.b5 e4 15.Nd2 Nb8 16.b6 Qd7 17.Qa4 Qe6 18.Nd1 Nfd7 19.f4 f5 20.Qc2 Qe7 21.Bc3 Bf6 22.Nf2 Rf7 23.h3 Rg7 24.Kh2 g5 25.fg5 Bg5 26.Nd1 Nf6 27.Rf2 Bh4 28.Rf1 Bg3 29.Kg1 Ne8 30.Nb3 Qg5=+ 31.Nf2?? Qe3 32.Bd2?? Bf2 33.Rf2 Qg3?? 34.Bf4+= Qg6 35.Bb8 e3+= 36.Bf3 ef2 37.Kf2 Be6 38.Be5 Nf6 39.g3 Rf7 40.g4? Ne4 41.Kg2 fg4 42.Be4 gh3 43.Kh2 de4 44.Qg2 Bg4 45.Qg3 Rf3 46.Qg1 Qf5 47.Nd2 Rf2 48.Kh1 Rd2 49.Bg3 Rg2 50.Qe1 Qf3 51.Bf2 Rf2 (51...Rf2 52.Kg1 h2) 0–1. mihai740609 – parsu (1745), kurnik, 2011.

6.Bd3 d5 7.0-0 b6 8.b5 Nbd7 9.a4 a6 10.Nbd2 ab5 11.ab5 Ra1 12.Ba1 Re8 13.c4 dc4 14.Nc4 Bb7 15.h3 Nd5 16.Be2 N7f6 17.Qc2 Nb4 18.Qb3 Bf8 19.Bc3 Nbd5 20.Bb2 Ne4 21.Ra1 Ng5 22.Ra7 Qc8?? 23.Ng5+- h6 24.Nf3 Nf6 25.Ra1 Bd5 26.Qc2 Be4 27.Qc3 Bd5 28.Nfe5 Ne4 29.Qc1 Kg7 30.f3 Ng3 31.Kf2 Nf5 32.e4 Bc4 33.Qc4 Nd6 34.Qc3 f6 35.Nc6 e5 36.de5 fe5 37.Ne5 Kh7 38.Nc6 (38.Nc6 Nf7 39.Bc4+-) 1–0. mihai740609 – opoczno61, kurnik, 2011.

6.Bd3 d5 7.c4 dc4 8.Bc4 Bd7 9.Nbd2 Bc6 10.0-0 Bd5 11.Qb3 Bc4 12.Nc4 Nc6 13.b5 Nb8 14.a4 Qd5 15.Ba3 Re8 16.Ncd2 Qb3 17.Nb3 Nd5 18.Rac1 c6 19.Nc5 cb5 20.ab5 b6 21.Ne4 Bf8 22.Bf8 Kf8 23.Ne5 f6 24.Nc6 Nc6 25.Rc6 Rac8 26.Rc8 Rc8 27.Nd6 Rc7 28.e4 Nb4 29.e5 fe5 30.de5 Rc5 31.Re1 Nd3 32.Rd1 Ne5 33.f4 Nc4 34.Nb7 Ke7 35.Nc5 1–0. mihai740609 – szumlasu, kurnik, 2012.

5.f4 d6

6.Nf3 a5 7.b5 c5 8.c3 Nbd7 9.a4 Nb6 10.Nbd2 e6 11.Bd3 Ng4 12.Qe2 e5 13.h3 Nh6 14.fe5+/– de5 15.dc5 Nd5 16.Rd1 Nf5 17.Nc4 Ng3+= 18.Rg1?? Ne2–+ 19.Ke2 f5 20.Nce5 Re8 21.Bc4 Be6 22.Kf2 Qc7 23.Bd5? Bd5 24.Rd5 Be5 25.Ne5 Re5 (25...Re5 26.Rgd1 f4–+) 0–1. amator111 (1725) – julinka83 (1810), kurnik, 2011.

6.Nf3 b6 7.a3 Bb7 8.Nbd2 Nbd7 9.c3 c5 10.Bd3 cd4 11.cd4 Re8 12.0-0 Rc8 13.Re1 Nd5 14.Qb3 Nc7 15.a4 e5 16.de5 de5 17.f5 e4 18.fg6 hg6 19.Bg7? Kg7–+ 20.Qb2 Qf6?? 21.Qf6?? Nf6–+ 22.Nd4 ed3 23.b5 Ncd5 24.e4 Nc3 25.e5 Nfd5 26.e6 fe6 27.Ne6 Kh7 28.Ng5 Kh6 29.Nf7 Kg7 30.Nd6 Re1 31.Re1 Rc7 32.Ne8 Kh6 33.Nc7 Nc7 34.Kf2 N3d5 35.Nf3 a6 36.Rd1 ab5 37.ab5 Nb4 38.Ne5 Be4 39.Ke3? Bf5 40.h3? Nb5–+ 41.g4 Nc2 42.Kf4? Be6 43.Nd3 Nbd4 44.g5 Kh5–+ 45.Ne5 Bf5 46.Nf3 Nf3?? 47.Kf3 b5 48.Rd5 b4 49.Rb5 Kg5 50.Ke2 Kh4 51.Kd2 Kh3 0–1. amator111 (1685) – puma233, kurnik, 2011.

6.Nf3 c6 7.Bd3 Qb6 8.a3 a5 9.c3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 12.Nbd2 c5 13.Nc4 Qc7 14.0-0 cb4 15.cb4 b6 16.Qd2 Bb7 17.Rc1 Rc8 18.Bb2 Qd8 19.b5 Nd5 20.e4 N5f6 21.Qe3 d5 22.Nce5? de4 23.Rc8 Qc8 24.Nd7 Qd7 25.Ne5 Qd6 26.Bf1 Nd7 27.Ba3 Qc7 28.Nc6? e6 29.Qe4 Nf6 30.Qc2 Kh8 31.g3 Nd5 32.Qc1 Bd4?? 33.Nd4+- Qc1 34.Bc1 Nc3 35.Be3 Kg8 36.Nb3 Nd5 37.Bd4 f6 38.Nd2 Kf7 39.Nc4 Ke7 40.Bb6 Nc3 41.Bc5 Kd7 42.Bg2 Bc8?? 43.b6 Ne2 44.Kf2 Nc3 45.Na5 Nd5 46.b7 Bb7 47.Nb7 Kc6 48.Nd8 Kc5 49.Ne6 Kd6 50.Nf8 h5 51.Ng6 Ne7 52.Ne7 Ke7 53.Be4 Ke6 54.Kf3 f5 55.Bd3 Kf6 56.Bc4 Ke7 57.Ke3 Kd6 58.Bf7 h4 59.gh4 Ke7 60.Bc4 Kf6 61.h5 Ke7 62.h4 Kf6 63.Kd4 Ke7 64.Ke5 Kf8 65.Kf5 Kg7 66.Kg5 Kh7 67.f5 Kh8 68.Kf6 Kh7+- 69.Ke7 (69.Ke7 Kh6 70.Be2 Kg7 71.f6 Kh7 72.f7 Kg7 73.f8Q Kh7 74.Bd3#; 69.Bf7 Kh6 70.Ke6 Kh7 71.Bg6 Kg7 72.f6 Kf8 73.f7 Kg7 74.Ke7 Kh6 75.f8Q#) 1–0. amator111 – markos0410, kurnik, 2012.

6.Nf3 Nbd7 7.a3 b6 8.c3 Bb7 9.Nbd2 c5 10.Be2 Rc8 11.0-0 Qc7 12.Rc1 Ng4 13.Nc4 b5 14.h3 cd4 15.hg4 dc3 16.Bc3 bc4 17.Bg7 Kg7 18.Rc4 Qb6 19.Qd4 Qd4 20.Nd4 Rc4 21.Bc4 Nb6 22.Bb3 Rc8 23.f5 Rc3 24.fg6+/– fg6?? 25.Rf7 Kh6+/– 26.Re7 Ba8 27.Ra7+- Re3 28.Kf2 Rd3 29.Ra6 Rd4 30.Rb6 Rd2 31.Kg1?? Rg2 32.Kf1 Rg3 33.Bg8 Ra3 34.Rb8 Kg7 35.Be6 h5 36.gh5 gh5 37.b5 Be4 38.b6 Ra1 39.Kf2 Rb1 40.Ke3 Bh1 41.Bf5 Kf6?? 42.Bb1+- (42.Bb1 Bc6 43.b7 Bb7 44.Rb7+-) 1–0. amator111 (1680) – hayk57 (1700), kurnik, 2012.

6.Nf3 Bf5 7.Bd3 Bg4 8.Nbd2 c5 9.bc5 dc5 10.c3 cd4 11.cd4 Nc6 12.a3 Nd5 13.Qe2 e6 14.0-0 Qb6 15.Rab1 Qd8 16.h3 Bf3 17.Rf3 Qe7 18.Nc4 b5 19.Ne5 Ne5 20.fe5 f6 21.ef6 Bf6 22.Bb5 Rab8 23.Bc4?? Nb6?? 24.Ba2 Kg7 25.Rbf1 e5? 26.Rf6 Rf6 27.Rf6 Kf6 28.de5 Kg7 29.Bd4 Qa3 30.e6?? Kf8?? 31.Qf2 Ke7 32.Qf7 Kd6 33.Qf4 Ke7 34.Qb8 Qa2+- 35.Bb6 ab6? 36.Qb6+- Qe6 37.Qe6 Ke6 38.Kf2 Ke5 39.Kf3 h5 40.h4 Kf5 41.g3 g5 42.hg5 Kg5 43.e4 Kf6 44.Kf4 Kg6 45.e5 Kf7 46.Kg5 Ke6 47.Kh5 Ke5 48.g4 Kf6 49.Kh6 Kf7 50.Kh7 Kf8?? 51.g5+- 1–0. amator111 (1625) – pocsaitomi, kurnik, 2012.

4.d4 a6

5.a3 b5 6.Be2 Bb7 7.Bf3 c6 8.Ne2 d5 9.Nd2 Nbd7 10.0-0 e6 11.h3 0-0 12.a4 Rc8 13.ab5 cb5 14.c3 Nb6 15.Ng3 Rb8 16.Re1 Nc4 17.Nc4 dc4 18.Bb7+/– Rb7 19.Ra6 Qc7 20.Ra1 Nd5 21.Ne4 Ra7 22.Nc5 Ra1 23.Qa1 Rc8 24.Qd1 Bf8 25.Ne4 Kg7 26.Qf3 Be7 27.Ra1 Nf6 28.Ng3 h5 29.Ne2 Nd5 30.Ng3 Bf6?? 31.Ne4 Qe7 32.Nc5 Kg8 33.Ra6 Bg7 34.e4 Nf6 35.e5 Ne8 36.Ra8 Ra8 37.Qa8 Bf8 38.Ne4 Bg7? 39.Qc6 Kf8 40.Qb5 Qc7 41.Qc5 Qc5 42.Nc5 Nc7 43.Kf1 Ke8 44.Ne4 Bf8 45.Nd2 Nd5 46.Nc4 Kd7 47.Ba3 Kc7 48.Na5 Kb6?? 49.Bb2+- Kb5 50.Ke2 Nf4 51.Kf1 Nd3?? 52.Ba1+- Be7 53.Nb7 Kc4 54.Na5 Kb5 55.f3 Bd8 56.Nb7 Bc7 57.Ke2 Kc4 58.Nc5 Nc1 59.Kf2 Na2 60.Nd7 Nc3 61.Bc3 Kc3 62.b5 Kd4 63.b6 Be5?? 64.Ne5 Ke5 65.b7 Kf5 66.b8Q g5 67.Qg3 Kg6 68.h4 f6 69.hg5 fg5 70.Qd6 Kf6 71.Qf8 Kg6 72.g4 hg4 73.fg4 e5 74.Qf5 Kg7 75.Kf3 e4 76.Ke4 Kh6 77.Ke5 Kg7 78.Qg5 Kf7 79.Kf5 Ke8 80.Qh6 Kd7+- 81.Qf6 Kc7 82.g5 Kd7 83.g6 Kc7 84.g7 Kd7 85.g8Q Kc7 86.Qgg7 Kc8 87.Qff8# 1–0. wojtekkk – cihei247b (1690), kurnik, 2011.

5.Be2 b5 6.Bf3 c6 7.d5 Bb7 8.dc6 dc6 9.Qd8+= Kd8 10.Ne2 Kc7 11.0-0 Nbd7 12.Nd2 Rae8 13.Nb3 Nh5 14.Bg7 Ng7 15.Na5 Ne6 16.c4 Nb6?? 17.cb5+- ab5 18.Rac1 Nd8 19.Nb7 Kb7 20.Nd4 Nc4 21.Be2 Nb6 22.a3 e5 23.Nb3 f5 24.Nc5 Kc7 25.Rfd1 e4 26.h3 Ne6 27.Nb3 Na4?? 28.Na5 Nb2 29.Rf1 Nd8 30.Bb5+- Kb6 31.Be2 Re6 32.Rc2 Na4 33.f3 ef3 34.Bf3 c5 35.Nc4 Kb5 36.Be2 cb4? 37.ab4 Kb4 38.Rb1 Kc5 39.Ne5?? Kd5?? 40.Nd3 Rb6?? 41.Nf4 Ke5 42.Ra1 Rb4 43.Rca2 Nc3? 44.Ra5?? Ke4 45.Kf2 Ne2= 46.Ne2 Rb2?? 47.R5a4?? Kd3?? 48.Rd1 Kc2+- 49.Rad4 Ne6 50.R4d2 Kb3+= 51.Nd4 Nd4 52.ed4 Rd2 53.Rd2 Rd8 54.d5 Kc4 55.d6 Kc5=+ 56.d7 Kc6 57.Kf3 Rd7 58.g3?? Rd2–+ 59.Kf4 h6 60.g4 Rd4 61.Kg3 fg4 62.hg4 Kd6 63.Kf3 Ke6 64.Kg3 Kf6 65.Kf3 g5 66.Kg3 Rd3 67.Kf2 Ra3 68.Ke2 Ke5 69.Kd2 Kf4 70.Kc2 Kg3 71.Kb2 Kf2 72.Kc2 Kf3 (72...Kf3 73.Kd2 Rd3 74.Kd3 Kg4 75.Ke3 h5 76.Kf2 Kf4 77.Kg2 g4 78.Kf1 Kf3 79.Ke1 g3 80.Kd2 h4 81.Kc3 h3 82.Kb4 g2 83.Kb5 h2 84.Kb6 g1Q 85.Kc6 Qg6 86.Kb5 Qd3 87.Kc6 h1Q 88.Kc7 Qc1 89.Kb7 Qb3 90.Ka6 Qca3#) 0–1. wojtekkk – cihei247b (1705), kurnik, 2011.

4.d4 b6

5.a3 Bb7 6.c4 d6 7.f4 Nbd7 8.Nf3 0-0 9.Nbd2 e5 10.fe5 de5 11.d5 Qe7 12.e4 c6 13.Bd3 cd5 14.cd5 Ng4 15.Qe2+= Rac8 16.0-0 Bh6 17.Nc4 b5 18.Na5 Ba6 19.Nc6 Rc6? 20.dc6 Nb6 21.h3 Nf6?! 22.Ne5 Nh5 23.Rf3 Bg7 24.Rc1 Be5+/– 25.Be5 Qe5 26.c7 Qd4 27.Kh2 Qd7 28.Bb5?? Qd6?? 29.e5+- Qe6?? 30.Ba6 Ng7 31.Rfc3 Nf5 32.c8Q Nc8 33.Rc8 Rc8 34.Bc8 Qb6 35.Bf5 gf5 36.Rc5 Qg6 37.Qf3 h5 38.Qg3 Qg5 39.Qg5 (39.Qg5 Kh7 40.Rc6 f6 41.Rc7 Kh8 42.Qg7#) 1–0. amator111 (1675) – dardani, kurnik, 2011.

5.Nc3 0-0 6.Nb5 Ba6 7.a4 Nc6 8.Ra3 Nb4–+ 9.Nf3 Ne4 10.Bc4 e6 11.h4 c6–+ 12.Ne5?? Qf6 13.f3 Ng3 14.Rh3 Nf5 15.Nd7 Qd8–+ 16.Nf8 cb5?? 17.ab5 Bf8 18.Ra4?? Ne3–+ 19.Qe2 Nbc2 20.Kf2 Bb7 21.d5 ed5 22.Bd3 d4 23.f4?? Bg2 24.Rh2 Bd6 25.Bc2 Rc8 26.Bb3 Bf4?? 27.Rd4+= Nd5?? 28.Rg2?? Rc5?? 29.Rg4 Bc1 30.Bc1 f5 31.Rg5 Qd6 32.Bd5 Kg7 33.Bb2 Qh2 34.Rg2 Qc7 35.Re4 Kh6 36.Qe3 f4 37.Rf4 Rc2 38.Kf3 Kh5 39.Rf5! g5 40.Qg5# 1–0. sonrisante (1870) – ramrog (1900), net–chess.com, 2008.

5.c4 Bb7 6.Nf3 Nc6 7.a3 a6 8.Be2 e6 9.Nbd2 d6 10.0-0 Qd7 11.Rc1 Ne7 12.Qc2 0-0 13.c5 b5 14.Rfd1 Nfd5 15.Nb3 Nf6 16.Na5 Be4 17.Bd3 Bf3 18.gf3 dc5 19.dc5 c6? 20.Be4 Qc7 21.Bf6 Bf6 22.Rd6 Be5 23.Bc6 Bh2?? 24.Kh2+- (24.Kh2 Nf5 25.Qd2+-) 1–0. ourang – niror, kurnik, 2012.

5.Be2 Bb7 6.Bf3 Nc6 7.a3 0-0 8.Ne2 e6 9.Nd2 Nd5 10.Bd5 ed5 11.0-0 Qf6 12.Ng3 a5 13.b5 Ne7 14.a4 c6 15.bc6 Bc6 16.h3 b5 17.ab5 Bb5 18.Re1 a4 19.Ba3 Rfe8 20.Nf3 Qc6 21.Qd2 Qa6 22.Qb4 Bc6 23.Ne5 Bf8 24.Nc6 Nc6 25.Qc3 Rac8 26.Bf8+/– Kf8 27.Qa3 Kg8 28.Ne2 Rb8 29.Nf4 Qc4 30.Qa4 Rb4 31.Qa7?? Na7–+ 32.Ra7 Qc2 33.Rd7 Rb2 34.Rf1 Re3! 35.fe3 Qe4 36.Rd5 Qe3 37.Kh1 Qe4 38.Re5? Qd4–+ 39.Re8 Kg7 40.Re2 Re2 41.Ne2 Qe3 42.Nc1 h5 43.Kh2 f5 44.Na2 Kh6 45.Nb4 Kg5 46.Nd5 Qe5 47.Nf4 Kf6 48.Kg1 h4 49.Nd3 Qe3 50.Nf2 g5 51.Kh1 Kg6 52.Kh2 Qg3 53.Kg1 f4 54.Ne4 Qe3 55.Nf2 Kf5 56.Kh2 Qg3 57.Kg1 f3 58.Ng4 Qg2 0–1. wojtekkk – slavisko, kurnik, 2011.

5.Be2 Bb7 6.Bf3 Nc6 7.b5 Na5 8.Bc3 Bf3 9.Qf3 Nc4 10.Qe2 d5 11.Nd2 Na3 12.Qd1 Qd7 13.Bb2 Nb5 14.Ngf3 Nd6 15.Ne5 Qa4 16.0-0 0-0 17.h3 Nfe4 18.Ndf3 c5 19.c3 cd4?? 20.Qa4+- b5 21.Qd4 Nc4 22.Qd5 Nb2 23.Qe4 f5 24.Qd5 Kh8 25.Qb5 (25.Qb5 Rfb8 26.Qd5+-) 1–0. wojtekkk (1610) – chsitrop (1630), kurnik, 2011.

5.Be2 Nd5 6.a3 Bb7 7.Nf3 e6 8.0-0 Nc6 9.Nbd2 Qe7 10.c4 Nf6 11.Ne5 Ne5 12.de5 Ng8 13.Bf3 c6 14.b5 Nh6 15.a4 Nf5 16.h3 Rb8 17.bc6 dc6 18.Re1 0-0 19.Ba3 c5 20.Bb7 Rb7 21.Nf3 Rd8 22.Qc2 Qc7 23.Red1 Rd1 24.Rd1 Be5?? 25.Ne5+- Qe5 26.Rd8 Kg7 27.Bb2 Nd4 28.ed4 cd4 29.Bd4 Qd4 30.Rd4 1–0. wojtekkk – slavisko, kurnik, 2011.

5.Nf3 Bb7 6.c4 Nc6 7.a3 0-0 8.Be2 d6 9.Nbd2 e5 10.0-0 e4 11.Ne1 a5 12.b5 Ne7 13.Qc2 d5 14.c5 Rc8 15.c6 Ba8 16.a4 h5 17.g3 Nf5 18.Ng2 Qd6? (better is 18...Re8+=) 19.Ba3+- Qe6 20.Bf8 Rf8 21.Nf4 Qd6 22.Nb1 g5 23.Nh5 Nh5 24.Bh5 Qh6 25.Bg4 f6 26.Bf5 Kf7 27.Nc3 Rh8 28.h3 g4 29.h4 Bf8 30.Nd5 Bd6 31.Qe4 Qh5 32.Qg4 Qg6 1–0. ourang – nuclearshaman, kurnik, 2012.

4.d4 c6

5.a3 Qb6 6.Nf3 d6 7.Nc3 Bg4 8.Be2 Bf3 9.Bf3 0-0 10.0-0 e5 11.de5 de5 12.Qe2 Nbd7 13.g3 Rae8 14.Bg2 c5 15.Na4 Qa6? 16.Qa6+- ba6 17.Nc5 Nc5 18.bc5 Rc8 19.c6 e4 20.Bf6 Bf6 21.Rab1 Rc6 22.Be4 Rb6 23.Rb3 Rfb8 24.Bd5 a5 25.a4 Be7 26.Rd1 Bb4 27.Rd4 Rc8 28.c4 Rd6 29.Rf4 Rc7 30.e4 Kg7 31.e5 Rdd7 32.e6 fe6+/– 33.Be6 Re7 34.Bd5 Re1 35.Kg2 Bc5 36.Rb7 Rb7 37.Bb7 Rb1 38.Bc6 Rb2 39.Bb5 h6 40.h4 g5 41.hg5 hg5 42.Rf5 Kg6?? 43.Rc5 Kh5 44.Rc7 a6 45.Ba6 Rb4 46.Bb5 Rb3 47.Ra7 g4 48.Ra5 Kg6 49.Ra6 Kf5 50.c5 Ke5 51.c6 Kd6 52.Ra7 Rc3 53.Rg7 Rc1 54.Rg4 Kc7 55.Rf4 Kb6 56.g4 Kc7 57.g5 Rc5 58.g6 Rg5 59.Kf3 Rg6 60.Rf7 Kb6 61.Rb7 Kc5 62.c7 Rf6 63.Kg4 Rf8 64.Bd7 Kd6 65.c8Q Rc8 66.Bc8 Kc6 67.f4 (67.f4 Kc5 68.a5 Kc6 69.f5 Kd6 70.f6 Kd5 71.f7 Kd6 72.f8Q Kd5 73.Rb4 Kc6 74.Rc4 Kd5 75.Qc5) 1–0. wojtekkk (1645) – selua30, kurnik, 2011.

5.a3 d5 6.f4 Ne4 7.Nf3 b5 8.Bd3 Nf6 9.Nbd2 a5 10.0-0 ab4 11.ab4 Ra1 12.Ba1 Na6 13.c3 h5 14.Ne5 Bd7 15.h3 Nh7 16.Nb3 Nc7 17.Nc5 Nf6 18.Qc2 Ne6? 19.Bg6 Nc5? 20.Bf7 Kf8 21.bc5 Ne4 22.Bg6 Be5 23.fe5 Kg7 24.Be4 de4 25.Qe4 Qe8 26.e6 Bc8 27.Rf7 Kh6 28.Qf4 Kg6 29.Qf5 Kh6 30.h4 Rg8 31.Rh7# (31.Qh7#) 1–0. amator111 (1695) – riza25, kurnik, 2011.

5.Bd3 0-0 6.Nf3 d6 7.Nbd2 Re8 8.0-0+= a5 9.ba5 Qa5 10.Qe2 Nbd7 11.Nc4 Qd8 12.e4 b5 13.Ncd2 e5 14.de5 Ne5 15.Ne5 de5 16.Rfd1 Qb6 17.c4 Bg4+= 18.Nf3 bc4 19.Bc4 c5 20.Bc3 Rab8 21.h3 Bf3 22.Qf3 Qc7 23.a4+/– Qc6 24.Re1 Red8 25.g4 Rf8 26.Be5+- Rb4 27.Bb5 Qb6 28.Red1 Ne4= 29.Bg7 Kg7 30.h4 Nd6 31.Qc3 Kg8 32.Qd3? Rg4–+ 33.Kf1 Nb7 34.Qh3 Rd4 35.Rd4 cd4 36.h5 Nd6 37.Bd3 Ra8 38.h6 Nf5?? 39.Bf5+- gf5?? 40.Qg2 Kf8 41.Qa8 Ke7 42.Re1 Kf6 43.Qg8 Qa6 44.Kg1 (44.Kg1 Qe6 45.Qd8 Qe7 46.Qe7 Kg6 47.f4 f6 48.Qg7 Kh5 49.Kf2 d3 50.Rh1#) 1–0. Bull_Dog_Baz – xyzw2, ChessWorld.net, 2011.

5.Be2 a5 6.ba5 Qa5 7.Bc3 Qc7 8.Nf3 Ne4 9.0-0 Nc3 10.Nc3 0-0 11.a4 c5 12.Nb5 Qc6 13.c3 cd4 14.cd4 Na6 15.Rc1 Qb6 16.Ra1 Nb4 17.h3 Nd5 18.Nd2 Qf6 19.Ne4 Qh4 20.Ng3 d6 21.Bf3 Nf6 22.Nc7 Ra5 23.Nb5 b6 24.Qd2 Nd7 25.Rfc1 Ba6 26.Be2 Bb5 27.Bb5 Nc5 28.Qe2?? Nb3=+ 29.Qf3 Nc1 30.Rc1 h5 31.Ne4 d5 32.Nc3 e6 33.Ne2 Qe7 34.Nf4 Qa3 35.Rf1 e5?? 36.de5+= Be5 37.Nd5 Bg7 38.Nb6+/– Qc5? 39.Nd7+- Qd6 40.Nf8 Bf8 41.Qe2 Qe5 42.Rd1 Bd6 43.Qd3 Qh2 44.Kf1 Bb4 45.Qd8 Kh7 46.Qd5 Ra7? 47.Qd4 Qh1 48.Ke2 Qg2 49.Qa7 Kh6 50.Qf7 Qh3 51.Qf4 Kh7 52.Rd7 Kg8 53.Qb8 (53.Qb8 Bf8 54.Bc4 Qe6 55.Be6 Kh8 56.Qf8#; 53.Qf7 Kh8 54.Qg7#) 1–0. wojtekkk – xherma, kurnik, 2011.

5.Nf3 0-0 6.Bd3 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6 10.Qd2 d6 11.0-0 Nd5 12.c3 Nf6 13.c4 c5 14.bc5 dc5 15.Na3 cd4 16.Bd4 Qd8 17.Rb1 Nc6 18.Bc3 e6 19.h3 Re8 20.Nd4 e5 21.Nc6 bc6 22.Qc2 e4 23.Be2 Be6 24.c5 Qc7 25.Rd1 Nd5 26.Bg7+/– Kg7 27.Nc4 Rb8 28.Nd6 Kg8 29.Rb1 Qa7 30.Rb8 Qb8 31.Ne4 Bf5 32.Bf3 Qb4 33.g4 Be4 34.Be4 Qc3? 35.Qc3+- Nc3 36.Bc6 Kf8 37.Kf1 Ke7 38.Ke1 Na2 39.Bd5 Nb4 40.Bc4 Nc6 41.Kd2 f5 42.gf5 gf5 43.f3 Ne5 44.Be2 Kd7 45.f4 (45.f4 Ng6 46.Bd3+-) 1–0. mihai740609 – januszpalikot, kurnik, 2011.

5.Nf3 b6 6.c4 Bb7 7.Be2 d6 8.a4 0-0 9.0-0 e6 10.Nbd2 Qc7 11.Rc1 Qd8 12.h3 Nh5 13.c5 bc5 14.dc5?? (better is 14.bc5 d5 15.Ne5+=) 14...Bb2–+ 15.Rc2 Bg7 16.Ne4 dc5 17.Nc5 Ba6?? (better is 17...Qe7–+) 18.Na6 Na6 19.Ba6 Qb6 20.b5 cb5 21.Bb5 a6 22.Be2 a5 23.Nd4 Nf6 24.Qb1 Rab8 25.Nb5 Nd5 26.Qc1 Nb4 27.Rd1? Nc2–+ 28.Qc2 Rfc8 29.Qd2 Bf8 30.Bf3 Be7 31.Qd4 Bc5 32.Qd7?? Rd8 33.Qc7 Rd1 34.Bd1 Qc7 35.Nc7 Bb4 (35...Bb4 36.Na6 Rd8–+) 0–1. ourang – 23anetka400, kurnik, 2012.

5.f4 d5 6.Nf3 0-0 7.Bd3 Nbd7 8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Re8 12.0-0 Nf8 13.Re1 h5 14.c3 N6d7 15.Qa4 Nb6 16.Qa5 Nbd7 17.Qa7 Nf6 18.Bb2 Qc7 19.Ba3 Bg4 20.Kf2 N8d7 21.Rc1? Nb6–+ (21...Nb6 22.Ba6 Rb8–+) 0–1. amator111 (1625) – hayk57, kurnik, 2011.

4.d4 d5

5.a3 c6 6.c4 dc4 7.Bc4 0-0 8.f4 e6 9.Nf3 b5 10.Bb3 a5 11.Nbd2 a4 12.Ba2 Nbd7 13.Rc1 Bb7 14.0-0 Nb6 15.Ne5 Rc8 16.Qe2 Nbd5 17.e4 Nb6 18.g3 Nfd7 19.Nd3 Nb8 20.Nf3 N6d7 21.Nc5 Nc5 22.bc5 Nd7 23.e5 Qe7 24.Ng5 h6 25.Ne4 Nb8 26.Nd6 Rcd8 27.Bb1 Qc7 28.h4 Nd7? 29.h5+- gh5 30.Qh5 f6?? 31.Qg6 f5 32.Qe6 Kh8 33.Bf5 Rf5 34.Qf5 Rf8 35.Qg6 Nb8 36.f5 Qc8 37.Nc8 Bc8 38.f6 (38.f6 Bf6 39.ef6 Rf6 40.Qf6 Kh7 41.Qf7 Kh8 42.d5) 1–0. amator111 (1665) – kema01 (1630), kurnik, 2011.

5.b5 0-0 6.Be2 Bf5 7.Bd3 Bd3 8.Qd3 Nbd7 9.a4 Ne4 10.Nd2 Nd6 11.Ba3 e6 12.Bd6 cd6 13.Ngf3 e5 14.de5 Ne5 15.Ne5 de5 16.Qe2 d4 17.0-0 de3 18.Qe3 e4 19.Rad1 Qc7 20.Ne4 Rfe8 21.Qf3 Qc2 22.Nd6 Rf8 23.Nb7 Qa4 24.Rb1 Rab8 25.h3 Bd4 26.Nd6 Bg7 27.Rfd1 Rb6 28.Qe3 Qa2 29.Qe7 Qe6 30.Qe6 fe6 31.Nc4 Rb7 32.Nd6 Rbb8 33.Nc4 Rf5 34.Nd6 Rd5 35.Rd5 ed5 36.b6 Rb6 37.Rb6 ab6 38.Nb5 Kf7 39.Kf1 Ke6 40.Ke2 Kd7 41.Kd3 Kc6 42.Nc3 b5 43.Ne2 b4 44.Kc2 Kc5 45.Nc1 Kc4 46.Nb3 d4 47.Nc1?? Bh6 48.Nd3 b3 49.Kb2 Kd3 50.Kb3 Ke2 51.Kc4 d3 52.f3 d2 53.g4 d1Q 54.f4 Qd6 55.g5 Bf8 56.h4 Qc5 57.Kb3 Qb4 58.Kc2 Qc4 59.Kb2 Bg7 60.Ka3 Kd3 61.h5 Kc3 62.h6 Qb3 0–1. wojtekkk (1640) – naraf (1870), kurnik, 2011.

5.c4 dc4 6.Bc4 0-0 7.Nc3 c6 8.Nge2 Kh8 9.0-0 b6 10.Qb3 Qe8 11.Rad1 Bb7 12.e4 Nbd7 13.f4 Rc8 14.Rf3 Ng8 15.f5 gf5 16.Rf5 Nh6 17.Rh5 f5 18.Rh3 fe4 19.Ne4 e5 20.Ng5 ed4 21.Rh6 Bh6 22.Nf7 Rf7 23.Bf7 Qe2 24.Bd4 Bg7 25.Bg7 Kg7 26.Qg3 Kh8 27.Rd7 Ba6 28.Bc4 Rg8 29.Qg8 1–0. varin123 – picardluc, kurnik, 2012.

5.c4 e5 6.de5+/– Ne4? (6...Nfd7 7.Qd5 Nc6 8.Qd2 Nde5 9.Qd8 Kd8 10.Bc3+/–) 7.Nf3 (7.Qd5 Qd5 8.cd5 0-0+-) 7...Nc6 (7...Be6 8.Bd3+/–) 8.b5 (better is 8.cd5 Ne7 9.d6 cd6 10.Bb5 Kf8 11.Bd3+-) 8...Nb4? (better is 8...Ne7+/–) 9.a3+- 0-0 10.ab4 dc4 11.Qd8 Rd8 12.Bc4 Bg4 13.Be2 Rd7 14.0-0 Rad8 15.Nd4 Rd4 16.Bg4 Rb4 17.Bc3 Nc3= 18.Nc3 Rg4 19.f4 Rd3 20.h3 Rg3 21.Ne4 Rge3 22.Nc5 b6?? 23.Nd3+- Rd3 24.Ra7 Rb3 25.Rc7 Rb5 26.Rb7 Rb2 27.Rc1 b5 28.Rc8 Bf8 29.Rbb8 Rb1 30.Kh2 1–0. ourang – jadwis74, kurnik, 2012.

5.Be2 e6 6.Bf3 0-0 7.Ne2 a5 8.b5 c6 9.bc6 bc6 10.0-0 Qc7 11.a4 Qb6 12.Ba3 Re8 13.Bc5 Qc7 14.Nd2 Nbd7 15.Ba3 c5 16.dc5 Nc5 17.Bc5 Qc5 18.Rb1 Ba6 19.Re1 Rac8 20.c3 Be2 21.Be2 Qc3 22.Bb5 Red8 23.Nf3 Ne4 24.Ba6 Rc5 25.Bb5 Rdc8 26.h3 Qc2–+ 27.Qc2 Rc2 28.Bd7 Rd8 29.Bb5 Rf2 30.Bd3?! Ra2 31.Be4 de4 32.Ng5 h6 33.Ne4 Ra4 34.Nc5 Ra2 35.Ne4 a4 36.Rf1 a3 37.Rf2 Rf2 38.Nf2 a2 39.Rd1 Rd1 40.Nd1 a1Q (40...a1Q 41.Kh1 Qd1 42.Kh2 Be5 43.g3 Qd2 44.Kh1 Bg3 45.Kg1 Qf2 46.Kh1 Qf1#) 0–1. wojtekkk – aidi2007, kurnik, 2011.

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.d4).

5.a3 0-0

6.c4 e6 7.Nf3 Re8 8.Ne5 Nc6 9.f4 Nd7 10.Be2 f6 11.Nc6 bc6 12.0-0 e5 13.cd5 cd5 14.Qb3 c6 15.f5 ed4 16.Bd4 Ne5 17.fg6 hg6 18.Nd2 Qe7 19.Rae1 Be6 20.Nf3 Bf7 21.Bd1 a5 22.Qc3 ab4 23.ab4 Reb8 24.Bc5 Qc7 25.Nd4 f5 26.Bb3 Ng4 27.g3 Re8 28.Kg2 Bh6 29.Nc2 Re6 30.h3 Ne5 31.Nd4 Ree8 32.Ne2 Bg7 33.Bd4 Rac8 34.Nf4 Qe7 35.Qd2 g5 36.Nd3 Bg6 37.Nc5 Rcd8 38.Re2 f4?? 39.ef4+- Nc4 40.Bc4 Be4 41.Ne4 dc4 42.Nf6! Qf6 43.Bf6 Rd2 44.Rd2 Bf6 45.Kf3 c3 46.Rc2 gf4 47.g4 Re5 1–0. amator111 – uchiha19 (1785), kurnik, 2011.

6.Nf3 Bg4 7.Be2 Nbd7 8.0-0 Re8 9.Nbd2 Ne4 10.h3 Nd2 11.Qd2 Bf5 12.c4 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Rad1 c6 17.Bf3 Qh4 18.cd5 Rd8 19.Qd4 Qf6 20.e4 Bd7?? 21.Qc3 cd5?? 22.ed5 Rc8+/– 23.Qd4 Qg5? 24.Kh2 a6 25.Rfe1 Rf5 26.Qg4 Qf6 27.Qd4 Qd6 28.g3?? h5?? 29.Kg2+- Bb5 30.Be4 Rc4 31.Qe3 Re5 32.Qf3 h4 33.Bd3 Rc3 34.Re5 Qe5 35.Qe4 Qg5 36.g4?? Bd3? 37.Rd3+- Rc2?? 38.Qf3 Qe5? 39.Qe3 Qb2?? 40.d6+- Re2 41.Qf3 Re8 42.d7 Rd8 43.Qe3 (43.Qe3 Qg7 44.Qb6+-) 1–0. mihai740609 – mariex, kurnik, 2011.

5.c4 c6

6.Nc3 0-0 7.a3 dc4 8.Bc4 e6 9.Nf3+= b5 10.Be2 a6 11.Qc2 Bb7 12.Ne4 Nbd7 13.Nd6 Qc7 14.Nb7 Qb7 15.Rc1 Rac8 16.Nd2 Nd5 17.Bf3 N7f6 18.Nb3 Nd7 19.Nc5 Nc5 20.dc5 Qd7 21.Bg7+/– Kg7 22.0-0 Qe7 23.Rfd1 Qf6 24.Bd5 ed5 25.Qc3 Qc3=+ 26.Rc3 a5 27.Rb3 ab4 28.ab4 Ra8 29.Rdb1 Ra2 30.g3 Rfa8 31.R3b2 f5 32.Kg2 Rb2 33.Rb2 Ra4 34.h4 h5 35.Kf3 Kf6 36.Kf4 Ra1 37.f3 Rc1 38.e4? de4 39.fe4 Rc4 40.Kf3 Re4 41.Kf2? Ke5 42.Kf3 Rd4 43.Kf2 Kd5 44.Kf3 Kc4 45.Kf2 Kc3 46.Ke3 Rb4 47.Rf2 Rc4 48.Rf1 Kb4 49.Rb1 Kc5 50.Kd3 Rg4 51.Rg1 Kd5 52.Ke3 c5 53.Kf3 c4 54.Rd1 Kc5 55.Re1 Re4 56.Rd1 Rd4 57.Re1 c3 58.Rc1 b4 59.Ke3 Kc4 60.Ra1 Rd3 61.Ke2 Rf3 62.Ra8 Rg3 63.Kf2 Rg4 64.Rb8 Kb3 65.Ke1 c2 66.Kd2 Rg2 67.Ke3 c1Q 68.Kd4 Qc3 69.Kd5 Rd2 70.Ke6 Qc6 71.Kf7 Qc7 72.Kg6 Qb8 73.Kh5 Rd5 74.Kg5 Qe5 75.h5 f4 76.Kg4 Qg5 77.Kf3 Qg3 78.Ke4 Rd1 79.Ke5 Re1 80.Kf5 Qh3 81.Kg6 Rg1 82.Kf6 Qh4 83.Kf7 Qh5 84.Ke6 Rg6 85.Kd7 Qh7 86.Ke8 (86.Kc8 Rg8) 0–1. slavisa3 – VonKempelen, Live Game Caissa's Web, 2004.

6.cd5 cd5 7.Nf3 e6 8.Nbd2 Nc6 9.a3 Bd7 10.Rc1 0-0 11.Nb3 b6 12.Bd3 Ne7 13.0-0 Rc8 14.Qd2 Rc1 15.Rc1 Qb8 16.Ne5 Ba4 17.Na1 Nd7 18.Nd7 Bd7 19.Rc3 Rc8 20.Ba6 Rc3 21.Qc3 Bc8 22.Bc8 Qc8 23.Nb3 Qc3 24.Bc3 Nc8 25.a4 Nd6 26.b5 Nc4 27.a5 Bf8-/+ 28.ab6 ab6 29.Kf1 Bd6 30.g3 Kf8 31.Ke2 Ke7 32.Kd3 Kd7 33.e4 Bc7 34.f4 de4?? 35.Kc4+- f5 36.d5 h6 37.de6 Ke6 38.Nd4 Kd6 39.Nc6 g5 40.Bg7 gf4 41.gf4 Ke6 42.Nd4 Kf7 43.Bh6 Kg6 44.Bg5 e3 45.Kd3 Kh5 46.Ke3 Kg4 47.Ne6 Bd6 48.Kf2 Kh3 49.Kg1 Bb4 50.Ng7 Kg4 51.Nf5! Kf5 52.h4 Bf8 53.h5 Bg7 54.h6 Bh8. ourang – kenov, kurnik, 2012.

6.cd5 Nd5 7.a3 Be6 8.Nf3 Nd7 9.Nbd2 Qc7 10.Rc1 Qb8 11.Be2 0-0 12.0-0 N7f6 13.h3 Bc8 14.Nc4 h5 15.Qc2 Bd7 16.Nce5 Qc7 17.b5 Qd6 18.bc6 Bc6 19.Nc6 Rac8 20.Nfe5 Nd7 21.Qb3 bc6+/– 22.Nd7 Qd7 23.Bf3 e6 24.Rc2 Rb8 25.Qc4 Rb6 26.Ba1 Rfb8 27.Rfc1 Rc8 28.Qa4+= Ne7 0–1. ourang – karelpavlik, kurnik, 2012.

5.c4 e6

6.c5 0-0 7.Nf3 b6 8.Be2 Ba6 (8...Ne4 9.Nc3=) 9.Ba6 Na6 10.a3 Rb8 11.0-0 (11.Qa4!? Qc8 12.b5 bc5 13.Ra2+=) 11...bc5= 12.dc5 (12.bc5? Rb2 13.Qd3 Nc5 14.dc5 Ne4–+) 12...c6 (12...Nc5!? 13.Bd4 Nce4 14.Ba7 Rc8=) 13.Nbd2 Nc7 14.Qc2 a5 15.Rfe1 (15.ba5!? Ra8 16.Be5+=) 15...ab4+= 16.ab4 1–0. Quilghini,Bruno – Rossi,Pascal (1810), Aveugle op, 2006.

6.Nf3 a6 7.Nbd2 Bd7 8.c5 Bb5 9.Bb5 ab5 10.0-0 b6 11.a3 bc5 12.dc5 Nc6 13.Nb3 0-0 14.Qc2 e5 (better is 14...Qc8!?=) 15.Ne5+/– Ne5 16.Be5 Re8 17.Bd4 c6 18.Na5 Qd7 19.Qb2 Re6 20.Rfe1 Qc7 21.h3 Ra5 22.ba5+- Qa5 23.Qb4 Qa4 24.Qa4 ba4 25.Rab1 Ne4?! 26.Bg7 Kg7 27.Rb4 Nc3 28.Kf1 Re4 29.Re4 Ne4 30.Ke2 f5 31.Rb1?? Nc3–+ 32.Kd3 Nb1 33.Kc2 Na3 34.Kb2 Nc4 35.Kc3 a3 36.f3 g5 37.e4 fe4 38.fe4 de4 0–1. ourang – raczyslawa, kurnik, 2012.

5.f4 0-0

6.a3 h5 7.Nf3 Nh7 8.Bd3 b6 9.c4 dc4 10.Bc4 Bg4 11.Nbd2 Bf3 12.Qf3 Nd7 13.0-0 e5 14.fe5 Kh8 15.Bf7 Ng5 16.Qd5 Nf7 17.Rf7 Rf7 18.Qf7 Nf8? 19.Nf3 g5 20.Qh5 Kg8 21.Qg5 Qd5 22.Rf1 Ne6 23.Qg4 Qb3 24.Bc1 c5 25.bc5 bc5 26.Qe4 Rd8 27.h3 cd4 28.ed4 Qc4 29.Be3 Nc5 30.Qh4 Ne6 31.Ng5 Ng5 32.Qg5 Rd4 33.Bd4 Qd4 34.Kh1 Qd3 35.Qf5 Qa3 36.Qf7 Kh7 37.e6 (37.e6 a6 38.e7 Qe7 39.Qe7 Kg8 40.Rf7 Kh8 41.Rg7 a5 42.Qf8#) 1–0. amator111 (1665) – pf78 (1705), kurnik, 2011.

6.Nf3 Bf5 7.Nbd2 Nbd7 8.a3 b6 9.c4 dc4 10.Nc4 c5 11.Nce5 Ne5 12.de5 Ne4 13.Qd8 Rfd8 14.Bc4 cb4 15.ab4 Bf8 16.Ke2 e6 17.b5 Bc5 18.Nd4?? Bg4=+ 19.Ke1? h5 20.h3? Bf5 21.Ke2? Ng3=+ 22.Kf3 Nh1 23.Rh1 Rac8 24.Bb3? Bd4–+ 25.Bd4 Rd4! 26.ed4 Rc3 27.Ke2 Rb3 0–1. amator111 (1610) – racvac001, kurnik, 2011.

4.d4 d6

5.a3 0-0 6.c4 Nbd7 (6...c5 7.Nf3=) 7.Nf3 c5 8.Be2 a5 (8...Qb6 9.Qa4=) 9.b5 (9.bc5 dc5 10.0-0 Re8+=) 9...b6 10.a4 (10.0-0 cd4 11.Nd4 Bb7=) 10...Bb7 (10...cd4 11.ed4 Bb7 12.0-0=) 11.d5 Re8 12.h4 h5 (12...Qc7 13.Nc3=) 13.Ng5 Qc7 14.Nd2 (14.0-0 Bc8+=) 14...Ne5 (14...Nf8 15.Bf3=) 15.Ndf3 (15.0-0 Rad8=) 15...Neg4 16.Qc2 Bc8 17.Bd3 e6 18.Bg6 (better 18.de6!? Be6 19.Ne6 Re6 20.0-0+=) 18...fg6=+ 19.Qg6 ed5 20.cd5 Ne5?? (better 20...Qe7-/+) 21.Ne5+/- de5 22.f4 (better 22.Nh7 Rf8 23.Nf8 Kf8 24.Rd1+/-) 22...Ng4?? (22...ef4 23.0-0 Qe7 24.Bf6 Bf5 25.Qf5 Bf6+-) 23.Qe8+- Bf8 24.Qh5 Bf5 (24...Qg7 25.fe5 Bf5 26.e4 Ne5 27.ef5 Nd3 28.Kf1 Nb2 29.Ra3+-) 25.Be5 (better 25.e4 Nf6 26.Qe2 Bg4+-) 25...Ne5 26.fe5 Qe5 27.Kf1 (27.0-0 Qe3 28.Kh1+-) 27...Qa1-+ 28.Kf2 Qb2 (28...Qa2 29.Qe2 Qa4 30.e4-+) 29.Kf3 (better 29.Qe2 Qe5 30.e4-/+) 29...Qe5?? (29...Qf6 30.Ke2 Bg7 31.e4-+) 30.g4?? (better 30.Qf7 Kh8 31.e4 Qc3 32.Kf4 Be4 33.Ke4 (worse 33.Ne4 Bh6 34.Kf5 Qe3+-) 33...Qc2 34.Kf3+-) 30...Be4?? (better 30...Qd5 31.e4 Be4 32.Ne4 Qd3 33.Kf2 Qe4-+) 31.Kf2 (better 31.Ne4 Qh5 32.Nf6 Kf7 33.Nh5+- (33.gh5?! Kf6 34.Rg1 c4+=)) 31...Bh1 (31...Qb2 32.Ke1 Qc3 33.Ke2 Qd3 34.Kf2 Bg6 (34...Bh1?! 35.Qf7 Kh8 36.Qh5 Bh6 37.Qh6 Kg8 38.Qe6 Kg7 39.Qe7 Kg8 40.Qe6 Kg7 41.Qe7 Kg8 42.Qe6=) 35.Qg6 Qg6-+) 32.Qg6 (32.Qh7) 32...Qg7= 33.Qe6 Kh8 34.Nf7 Qf7?? (better 34...Kh7 35.Ng5 Kh8 36.Nf7 Kh7 37.Ng5 Kh8=) 35.Qf7+- Bg7 (35...c4 36.d6! c3 37.Qc7+-) 36.Qh5 (better 36.Kg1!? Be4 37.d6 Rf8+-) 36...Kg8 37.g5 (better 37.Qg5 c4 38.h5 Rf8 39.Kg1 Bf3+-) 37…Rf8 (37...Rf8 38.Kg1 Bd5+-). luis_alfredop (2190) - Spiritchaser84 (2270), Rated Bullet game, lichess.org, 2014. (=1.d4 g6 2.b4 Bg7 3.Bb2 d6 4.e3 Nf6)

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

5.Nd2 0-0 6.Bc4 d5 7.Bb3 c6 8.c4 Nbd7 9.Ngf3 dc4 10.Bc4 Nb6 11.Qb3 Nc4+= 12.Nc4 Be6 13.Qc2 Bf5 14.Qe2 Ne4 15.0-0 Bg4 16.h3 Bf3 17.Qf3 Nd6 18.Nd6 Qd6 ½–½. opportunity (2185) – lovecraft (2100), net–chess.com, 2010.

5.Nf3 a6 6.c4 c6 7.a4 0-0 8.Nbd2 Bf5 9.Nb3 Nbd7 10.Bd3 Bg4 11.h3+= Bf3 12.Qf3 e5 13.0-0 Re8 14.Qd1 e4 15.Be2+= d5 16.Nd2 Nf8 17.Qb3 Ne6 18.b5 ab5 19.ab5+= Rb8 20.Rfc1 Qd7 21.cd5 Nd5 22.Ne4+- Nec7 23.Nc5 Qd6 24.Ra7 Nb5 25.Bb5 cb5 26.Qb5 b6 27.Nb7 Qe6 28.Rc6 Qe4?? 29.Nd6 Qb1 30.Rc1 Qc1 31.Bc1 Nc3 32.Qd7 Rf8 33.Nf7 Ne2 34.Kh2 Nc1 35.Nh6! (35.Nh6 Bh6 36.Qh7#) 1–0. Jeschke,Holger – Mueller,Andreas, Schleswig Holstein–chA, 1994.

5.Nf3 Nc6 6.a3 Bf5 (6...0-0 7.Nbd2=) 7.Nbd2 (7.d5 Nb8=) 7...0-0 8.Be2 (8.Bd3 Bd3 9.cd3 Qd7=) 8...Nd7 (8...a6 9.0-0=) 9.Nb3 (9.0-0 d5=) 9...Be4 (better is 9...a6!?+=) 10.b5 Ncb8 11.0-0 f5? (better is 11...Nf6!?+/–) 12.Ng5+- Bd5 13.c4 Bf7 14.Qc2 Nb6 (better is 14...c6+-) 15.d5 (better is 15.Na5 Qc8 16.c5 dc5 17.dc5 (17.Qc5?! N8d7 18.Qc2 Nf6+/–; worse is 17.Nf7 Rf7 18.dc5 Bb2 19.Qb2 Nd5+-) 17...Bb2 18.Qb2+-) 15...Qd7?? (better is 15...Bb2 16.Qb2 Na4+/–) 16.Bg7+- Kg7 17.Nd4 Kg8 18.a4 Nd5 (18...a5 19.e4 f4 20.Rfc1+-) 19.cd5 Bd5 20.Bc4 (20.Rfd1 c6+-) 20...Bc4 21.Qc4 d5 22.Qc3 Rf6 23.f4 c6 24.Qb3 (24.Ngf3!? Qd6 25.Rfc1 a6 26.bc6 Nc6+-) 24...c5 25.Ndf3 c4 26.Qc3 Qd6 27.Ne5 Nd7 (27...a6 28.ba6 Ra6 29.Rfb1+-) 28.Rfd1 Rd8 (28...h6 29.Ngf3 Rc8 30.Rac1+-) 29.Nc4! Qc5 (29...dc4 30.Qd4 Double attack (30.Rd6 Pinning; 30.Rd6 Deflection; 30.Qd4 Decoy)) 30.Qd4?? (better is 30.Qa3+-) 30...Qd4= 31.Rd4 dc4 32.Rc1 h6 33.Nf3 Rd6 34.Rcc4 Nb6 35.Rc7 Rd4 36.Nd4 (better is 36.ed4 Rd7 37.Rd7 Nd7 38.Ne5=) 36...Nd5?? (better is 36...Rd7 37.Rd7 Nd7=) 37.Rb7+- Ne3 38.Re7?? (better is 38.Nc6 Rd6 39.Ra7+- (39.Ne7?! Kf8 40.Ra7 Ng4+-)) 38...Rd4= 39.Re3 Ra4 40.g3 Kf7 41.Rb3 g5 42.fg5 hg5 43.b6 ab6 44.Rb6 Ra1 45.Kg2 Ra2 46.Kg1 ½–½. Sapareva,Magdalena – Todev,Simeon, 151 Open MGU, 2015.

5.Nf3 Nc6 6.b5 Nb8 7.c4 c6 8.a4 0-0 9.Nc3 Bg4 10.Be2 e5 11.de5 de5 12.Ne5 Qd1 13.Rd1 Be2 14.Ne2 cb5 15.ab5 a6 16.0-0 ab5 17.cb5 Ra2 18.Nc4 Ne4 19.Bg7 Kg7 20.Nd4 Rc8 21.Rc1 Rc4? 22.Rc4+- Nd2 23.Rc8 Nf1 24.Kf1 Nd7 25.Rc7 Ne5 26.Rb7 Ng4 27.h3+- Nf2 28.b6 Ne4 29.Rc7 Rb2 30.b7 Nd6 31.Ne6 Kf6 32.Nc5 Nc4 33.Nd7 Ke7 34.b8Q Rb8 35.Nb8 Kd6 36.Rc4 1–0. katchum (2400) – gbsrao (2355), net–chess.com, 2011.

5.Nf3 Nc6 6.b5 Nb8 7.Nbd2 a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Be2 0-0 12.0-0 d5 13.h3 Nb6 14.c4 dc4 15.Nc4 Nc4 16.Bc4 b6 17.Ba3 Bb7 18.Be2 Be4 19.Qc3 Nd5 20.Qb2 e6 21.Bf8 Bf8 22.Nd2 Bf5 23.Rc1 Nf6 24.Qc3 Bd6 25.f3 g5 26.e4 Bg6 27.e5 Nd5 28.Qc6 Bb4 29.Nb3 Ba3 30.Ra1 Qe7 31.Qa8 Kg7 32.Qa3 Qd7 33.Qb2 Nf4 34.Kf2 Qd5 35.Re1 Bd3 36.Bd3 Nd3 37.Kg3 Nb2 38.Nd2 Nd3 39.Rd1 Nf4 40.Ne4 Qb5 41.h4 Qe2 42.Ng5 Qd1 0–1. mihai740609 – vnchess777 (1605), kurnik, 2012.

5.Nf3 Nd5 6.a3 Be6 7.Nbd2 c5 8.c4 Nb6 9.bc5 dc5 10.d5 (better is 10.Rb1+/–) 10...Bb2+= 11.de6 0-0 12.ef7 Rf7 (worse is 12...Kf7 13.Ng5 Kg8 14.Ne6+/–) 13.Rb1 (better is 13.Ra2!? Bc3 14.Qb3+=) 13...Ba3-/+ 14.Be2 Bb4 15.0-0 Nc6 16.Ne4 Qd1 17.Rfd1 Na4 (17...h6-/+) 18.Re1? (better is 18.Nfg5 Rf5 19.f4+=) 18...Be1–+ 19.Re1 Nb4 20.Neg5? (better is 20.Ra1 Nb6 21.Nc5-/+) 20...Rf6 21.Ra1 Ra6 22.Ne5 Nc2 23.Rc1 Nc3 24.Bf3? Ra3 25.h4 h6 26.Ne4 Ne4 27.Be4 Ra1 28.Ra1 Na1 29.Ng6 Kf7 30.Ne5 Kf6 31.Nd7+= Ke6 32.Nc5 Kf6 33.Nb7 Rb8 34.c5 Nb3 35.c6 Rc8 36.g4 Nd2 37.Bg2 e5?? 38.Nd6+- Rc7 39.Ne8 (39.Ne8 Ke7 40.Nc7+-) 1–0. tron7 – zabaweb, kurnik, 2012.

5.Nf3 e6 6.c4 Ne4 7.Bd3 f5 8.0-0 Nd7 9.Be4 fe4 10.Nfd2 d5 11.Nc3 c6 12.a4 Nf6 13.c5 Bd7 14.b5 a6 15.Ba3 Qc8 16.Rb1 Bh6 (16...ab5 17.Bb4+=) 17.Nb3 (17.ba6 ba6 18.Qe2 e5+=) 17...a5 (better is 17...ab5!? 18.a5 0-0-/+) 18.b6 0-0 19.Ne2 Nh5 20.Bc1 Qd8 21.Ra1 Ng7 22.Bd2 Nf5 23.Na5 Qc8 24.Nb3 Nh4 25.a5 Ra6 26.Ra2 Rf6 27.Na1 Qf8 28.Nc2 Kf7 29.Nb4 Qa8 30.Na6 ba6 31.Nc3 Qb7 32.Ra1 Bc8 0–1. ourang – jablonskiwies, kurnik, 2012.

5.Nf3 Bf5 6.c4 c6 (6...Nbd7 7.Nh4=) 7.a4 (7.Bd3 Na6=) 7...0-0 8.Qb3 Nbd7 9.Be2 Re8 (9...a5 10.–0=) 10.Nc3 Qc7 (10...a5 11.b5=) 11.0-0 (11.a5 h6=) 11...e5 (11...a5 12.b5=) 12.h3 (12.a5 Re7=) 12...a6 (12...a5 13.Rfe1=) 13.d5 (better is 13.Nh4+=) 13...Qc8? (better is 13...a5!?=) 14.g4+/– Bd3 15.Bd3 e4 16.Ne4! Ne4 (16...Re4 17.g5 Combination; 16...Ne4 17.Bg7 Combination) 17.Bg7 Kg7 18.dc6 bc6 (18...Qc6!? 19.Rad1 Rac8+=) 19.Be4 Re4 20.Qd3 (20.Rad1!? Qb8+/–) 20...Re6 21.Ng5 Rf6 (21...Re8!?+/–) 22.f4 (22.Ne4 Ne5 23.Qc3 Rf3+-) 22...Qb8 (22...Qe8 23.Ne4 Re6 24.Qd4 f6 25.Nd6+-) 23.Qc3 (better is 23.Ne4!? Re6 24.f5 gf5 25.Rf5+-) 23...Kg8+/– 24.Nf3 (24.Rad1 Qa7+/–) 24...Qc7 25.b5 cb5 (better is 25...Re6!?+=) 26.ab5+- d5 27.Rfc1 (better is 27.Rfd1!? Rd6 28.ba6 Rda6 29.Ra6 Ra6 30.Rd5+-) 27...dc4+/– 28.Qc4 Qb7 29.Nd4 (better is 29.Kf2+/–) 29...Nb6? (29...ab5 30.Ra8 (worse is 30.Nb5 Ra1 31.Ra1 Qf3 32.Qc8 Nf8+=) 30...Qa8 31.Qb5+/–) 30.ba6 Qe4+/– 31.Qb3 Nd5+= 32.a7 Qe3?? 33.Qe3+- Ne3 34.Rcb1 Kg7 35.Rb8 Ra7 36.Ra7 Rd6 37.Ne2 Rd2 38.Kf2 Nc2 39.Rbb7 Nd4 40.Rf7 Kg8 41.Rg7 Kf8 42.Ke3 Re2 43.Kd4 Rf2 44.Rh7 Kg8 45.Rhg7 Kf8 46.Rgb7 Rf4 47.Ke5 (47.Ke5 Kg8 48.Kf4 g5 49.Kg5 Kh8 50.Ra8) 1–0. Dobrzhanskaia,Irina – Grechinova,Anna, UKR–ch sf U16 Girls, 2000. (=1.d4 Nf6 2.Nf3 d6 3.e3 g6 4.b4 Bg7 5.Bb2)

5.Nf3 Nh5 6.Be2 e6 7.c4 Bd7 8.0-0 0-0 9.Nbd2 Nf6 10.Qc2 c6 11.a4 a6 12.b5 ab5 13.ab5 Ra1 14.Ba1 cb5 15.cb5 b6 16.Nc4 (16.Rc1 d5+/–) 16...d5 (better is 16...Bb5!? 17.Rb1 Bc4 18.Qc4 Nbd7=) 17.Nce5+/– Be8 18.Qb3 Nbd7 19.Bb2 Ne5 20.Ne5 Nd7? (better is 20...Ne4 21.Rc1 Qh4+/–) 21.Nc6+- Qc7 22.Ba3 Nf6 23.Bf8 Bf8 24.Rc1 Qb7 25.h3 Ne4 26.Bd3 Nd6 27.f3 Kg7 28.Qb2 h5 29.e4 de4 30.fe4 Nc8 31.d5 Kh7 32.Qe5 ed5 33.ed5 Bc5 34.Kh1 Bd7 35.Qh5 Kg7 36.Qe5 f6 37.Qg3 g5 38.Qf3 Ne7 39.Qe4 Bf5 40.Qe2 Bd3 41.Qd3 Qd7 42.Ne7 Qe7 43.Rf1 Qe5 44.Qf5 Qf5 45.Rf5 Kg6 46.Rf1 f5 47.Rd1 Bd6 0–1. ourang – tadeusziza, kurnik, 2012.

5.f4 0-0 6.Nf3 Nc6 7.a3 Bg4 8.Be2 Nd5 9.Qd2 f6 10.c4 Nb6 11.0-0 Bf3 12.Rf3 e5 13.d5 Ne7 14.Nc3 f5 15.Raf1 e4 16.R3f2 a5 17.b5 c6 18.a4 cb5 19.ab5 Rc8 20.g4 Nc4–+ 21.Bc4 Rc4 22.gf5 Nf5 23.Ne4?? Re4 0–1. amator111 (1665) – buttrosbeit, kurnik, 2011.

5.f4 Nbd7 6.Bd3 0-0 7.Nf3 a5 8.b5 c5 9.a4 b6 10.c3 Bb7 11.Nbd2 e6 12.0-0 Ng4 13.Qe2 Qc7 14.Rac1 Rae8 15.e4 Nh6 16.Nc4 Re7 17.e5 de5 18.fe5 Bd5 19.Nd6 f6 20.c4 Bf3+= 21.Rf3 cd4 22.Bd4 fe5–+ 23.Rf8 Kf8 24.Qf2?? Kg8–+ 25.Be3 Qd6 26.Rd1 Nf5 27.Bg5 Rf7 28.Be2 Qc7 29.Qe1 Nd4 30.Bg4 Qc4 31.Be3 Nc5 32.Bd4 ed4 33.Be6 Qe6 0–1. amator111 (1650) – enutamarian8, kurnik, 2012.

5.Nf3 0-0

6.Qc1 c5 7.bc5 dc5 8.Be2 cd4 (8...Nc6 9.0-0=) 9.ed4 Nc6 10.0-0 Bf5 11.c4 Rc8 12.d5 (12.Rd1 b5=) 12...Na5+= 13.Rd1 (13.Na3 Nd5 14.Bg7 Kg7+=) 13...Nc4-/+ 14.Bc4 b5 15.Ne5 (15.Nc3 bc4 16.Nd4 Qd7-/+ (16...Nd5? 17.Nf5 gf5 18.Nd5 Bb2 19.Qb2+-)) 15...bc4 (worse is 15...Rc4 16.Nc4 bc4 17.Qc4+/–) 16.Nc6 Qd7 17.Nc3 (17.Na3 e6 18.Nc4 ed5–+) 17...Bd3 (17...e6 18.Ba3 Rfe8 19.Ne5–+) 18.Ba3 (18.Qe3!? Rfe8 19.Ne5-/+) 18...Rfe8–+ 19.Re1 Bf8 (19...e6 20.Ne5 Qb7 21.d6–+) 20.Ne5-/+ Qb7 (20...Qf5 21.f3 Ne4 22.Ne4 Qe5 23.Bb2 Qd5 24.Qc3–+) 21.Qf4 Qa6 (21...Bg7 22.Rad1-/+) 22.Bb4 Qb6 23.Nd3 (23.Rad1 Qb4 24.Rd3 Bh6-/+) 23...cd3 24.d6 (24.Rab1!? e5! 25.de6 Bb4 26.Rb4 Re6 27.Ne4–+) 24...ed6 (24...a5 25.d7 Nd7 26.Nd5–+) 25.Reb1 (25.a3 Bg7 26.Re8 Re8 27.Rd1–+) 25...Bg7 26.Bd6? (26.Rb3–+) 26...Nh5 (26...Rc3?! 27.Rb6 ab6 28.Qf3-/+) 27.Rb6 Nf4 0–1. Wolf,Rainer (2060) – Van Foreest,Jorden (2540), 28. Staufer–Open, 2016.

6.Nc3 Nc6+=.

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

6.Bc4 a5 7.b5 Bf5 8.0-0 d5 9.Bd3 Bd3 10.Qd3 Qd6=.

6.Bc4 a6 7.0-0 b5 8.Bb3 Nc6 9.a3 e5 10.d5 Ne7 11.c4 Ne8 12.Re1 h6 13.e4 Kh7 14.Nbd2 f5 15.ef5 gf5 16.Qc2 Nf6= 17.Ne5 de5=+ 18.Be5 Ng6 19.Bf6 Qf6 20.c5 Bb7 21.c6 Bc8 22.Rad1 f4 23.Nf3 Bf5=+ 24.Qd2 Rae8 25.Re8 Re8 26.Re1 Re1–+ 27.Qe1 Qc3 28.Bd1 Qe1 29.Ne1 Bb2 30.Kf1 Ba3 31.Nf3?? Bb4 32.Nd4 Bd3 33.Kg1 Bd6 34.Be2 Be2 35.Ne2 a5 36.f3 a4 37.Kf1 a3 38.Nc3 Ne5 39.Ke1 Nd3 40.Kd2 Nf2 41.Kc2 b4 42.Na2 Kg6 43.Kb3 Kf5 44.Nb4 Nd1 (44...Nd1 45.Ka3 Ne3–+) 0–1. Pierred – schack08, Chesspark, 2008.

6.Nbd2 d5 7.c4 c6 8.Be2 a5 (8...Qb6 9.Qb3=) 9.a3 (9.b5 dc4 10.a4 c3 11.Bc3 Nd5+=) 9...ab4 10.ab4 Ra1 11.Qa1 dc4 12.Bc4 Nd5 (12...b5 13.Bd3=) 13.Bd5 (13.b5 Nb6 14.Bd3 cb5 15.Bb5 Qd5=) 13...Qd5 14.0-0 f5 (14...Na6 15.Bc3+=) 15.Rc1 Nd7 (15...Na6 16.Qa5 Be6 17.Ba3=) 16.h3 h6 17.Nc4 g5 (17...Qb5 18.Qa7=) 18.Qa7 (18.Ne1!?+=) 18...g4= 19.hg4 fg4 20.Nfe5 (20.Nfd2!?=) 20...Ne5+= 21.Ne5?? (better is 21.de5 Qd3 22.Qd4+=) 21...Be5–+ 22.de5 Qd2 23.Qa2 Rf7 (better is 23...e6 24.Qc4 Qf2 (24...Qb2?! 25.Qg4 Kh8 26.Rf1–+) 25.Kh2 g3 26.Kh3 Qb2–+) 24.Rf1+= g3 (better is 24...Qe2 25.Qb1 Bf5+=) 25.Qb1?? (better is 25.fg3 Qd5 26.Ra1=) 25...gf2–+ 26.Kh1 (26.Kh2 Bf5 27.Qc1 Qe2 28.Rf2 Qf2–+) 26...Bf5 (26...Rf5 27.g3 Qe3 28.Qd1 Qg3 29.Qb3 Qb3 30.Bc3 Qc3 31.Kh2 Rh5 32.Kg2 Rh2 33.Kh2 Qh3) 27.Qc1 (27.Qd1 Qd1 28.Rd1 Be4–+) 27...Qc1 28.Bc1 (28.Rc1 Be4 29.Kh2 f1Q 30.Rf1 Rf1–+) 28...Bd3 (28...Bd3 29.Rf2 Rf2–+) 0–1. Mazlan,Nur Hidayah – Ramani,Prashant Raj, UM–KPT Chess Tournament, 2016.

6.Bd3 b6 7.0-0 Bb7 8.Nbd2 Nbd7 9.c4 Re8 10.d5 (10.e4 c5+=) 10...c6 (10...Nd5 11.Qb3 N5f6 12.e4=+) 11.e4 (11.dc6!? Bc6 12.Qe2=) 11...cd5 (11...Nd5 12.cd5 Bb2 13.Rb1-/+) 12.cd5=+ Ng4 (better 12...Ne4 13.Bg7 Nd2 14.Qd2 Kg7=+) 13.Bg7+/- Kg7 14.Nd4 Nge5 (14...Ngf6 15.Rc1+/-) 15.Be2 Rc8? (15...g5 16.Qb3+/-) 16.Rc1?? (better 16.f4 Nf6 17.fe5 de5 18.N4b3+-) 16...Nf6 17.a4 Rc1 18.Qc1 Qc8 (18...e6 19.Bb5 Re7 20.f4+/-) 19.b5 (19.Bb5 Rh8+/-) 19...Qc5 (19...Ned7 20.Qa1+=) 20.Qc5 (20.Qb2 Qc8+/-) 20...dc5 21.Nc6 Bc6 22.bc6 g5 (22...Rc8 23.f4 Nc6 24.dc6 Rc6 25.e5+-) 23.f3 (better 23.Ba6 e6 24.c7 ed5 25.ed5 Nd5 26.c8Q Rc8 27.Bc8+-) 23...Ng6? (23...Rc8 24.Nc4 Nc4 25.Bc4+/-) 24.g3 (better 24.Ba6+-) 24...Rd8 25.Nc4 Ne8 26.Kg2 Nd6 (26...Nc7!?+/-) 27.Nd6+- ed6 28.Ba6 Ne7 29.a5! ba5 30.Rb1 Kf6 31.c7 (31.Rb7 h5+-) 31...Rd7+/- 32.c8Q Nc8 33.Bc8 Rc7 34.Bf5 h6 (34...h5 35.Kf2+-) 35.Rb5 (35.Kf2 h5+-) 35...Ke5 (better 35...c4!? 36.Ra5 c3+=) 36.Kf2 Kd4 37.Ke2 c4 38.Ra5 c3 (38...Rb7 39.h4+-) 39.Ra1 (39.Kd1 h5+-) 39...f6 (39...a5 40.Kd1 (worse 40.Ra5 c2 41.Ra4 Ke5=+) 40...Rb7 41.h3+-) 40.Rc1 (better 40.Kd1+-) 40...Rc5 41.Kd1 Ke3 (41...Ra5 42.Rb1+-) 42.Bg4 (42.Kc2 h5+-) 42...Kd3 43.Bd7 (43.Ra1 a5+-) 43...Ke3? (43...c2 44.Ke1 Ra5+=) 44.Bg4 Kd3 45.Bd7 Ke3 46.Bg4 ½-½. AlbertOOO44444 (1730) - elprofemat1 (2210), Casual Blitz game, lichess.org, 2020.

6.Bd3 b6 7.Nbd2 Bb7 8.Qe2 c5 9.b5 cd4 10.Nd4 Bg2 11.Rg1 Bh3 12.0-0-0 Nbd7 13.Nc6 Qe8 14.Be4 Ne4 15.Ne4 Nc5 16.Nc5 bc5 17.Qf3 Bb2 18.Kb2 Bd7 19.Qe4 f5 20.Qd5 Qf7 21.Ne7 Kg7 22.Qf7 Rf7 23.Nc6 a6 24.Rd6 ab5 25.Ne5 Re7 26.Nd7 Rd8 27.Rgd1 Kf7 28.Ne5 Re5 29.Rd8 c4 30.R1d7 Kf6 31.Rf8 Kg5 32.Rh7 b4 33.h4 Kg4 34.Rf6 Kf3 35.Rg6 Kf2 36.h5 Ke3 37.Rgg7 Kd4 38.Rd7 Kc5 39.Rc7 Kb6 40.Rb7 Kc6 41.Rhc7 Kd6 42.h6 c3 43.Kb3 Re6 44.h7 1–0. Adjailton (1810) – SonidosEnArmonia (1810), lichess.org, 2020.

6.Bd3 c6 7.0-0 Qb6 8.a3 a5 9.c4 ab4 10.c5 dc5 11.dc5 Qc7 12.ab4 Ra1 13.Ba1 Rd8 14.Qb3 Be6= 15.Bc4 Bc4 16.Qc4 Na6 17.Nc3 Qd7+= 18.h3 Nd5 19.Rd1 Qc8 20.Nd5+= Rd5 21.Rb1 Ba1 22.Ra1+= Qd7 (22...Qd7 23.Qh4 e5+=). Cortes Lloveras,Enrique – Quintana Ortiz,Joaquin, Sant Marti op 5th, 2003.

6.Bd3 Nc6!? 7.a3 e5+=.

6.Bd3 Nbd7

7.0-0 a6 8.c4 b5 9.cb5 ab5 10.Bb5 Rb8 11.Bd7 Bd7 12.a3 Bb5 13.Re1 Nd7 14.Nc3 Bc4 15.Ne4 d5 16.Nfd2 Bd3 17.Nc3 e6 18.Nb3 Bc4 19.Nd2 Nb6 20.Na4 Na4 21.Qa4 Ra8 22.Qc6 Ra6 23.Qc5 Re8 24.Nc4 dc4 25.Qc4 Qa8 26.Qc7 Rc8 27.Qf4 Rc2 28.Rab1 Rac6 29.h3 Qc8 30.e4 Qd8 31.Qe3 R6c4 32.Red1 h5 33.Qd3 Qb6 34.Kf1 e5 35.Rd2 Rd2 36.Qc4 ed4 37.Ke1 Bh6 38.Qc5 Qc5 39.bc5 d3 40.Bd4 Re2 41.Kd1 Ra2 0–1. Bendega (1945) – Hurzzz (1840), lichess.org, 2020.

7.0-0= e5 8.Nc3 Re8 9.de5 Ne5 10.Ne5 de5=.

7.0-0= e5 8.de5 Ng4 9.Nbd2 Nde5 10.Ne5 Ne5 11.Qc1 Qh4 (11...d5 12.Be2+=) 12.a3 (12.f4 Ng4 13.Nf3 Bb2 14.Qb2 Qf6 15.Qf6 Nf6=) 12...f5 (12...Bd7 13.f4 Ng4 14.Nf3 Bb2 15.Qb2= (worse is 15.Nh4 Bc1 16.Rac1 Ne3-/+)) 13.Be5 (13.f4 Ng4 14.Bc4 Kh8=) 13...de5 14.Nf3 Qe7 15.Bc4 Kh8 16.c3 Bd7 17.Bd5 (17.Qc2 Rac8+=) 17...c6 18.Bb3 Rad8 19.Qc2 g5 Black intends f4 (19...c5!? 20.bc5 Bc6+=) 20.Rfd1= g4 21.Ne1 (21.Nd2 f4=) 21...f4 22.e4 Rf6 (22...Bf6 23.Nd3=) 23.f3 (23.Rd3 Rd6=) 23...g3+= 24.h3 (24.Rd3 Rd6+=) 24...Rdf8 (24...a5 25.Nd3+=) 25.Rd2 Rh6 26.Rad1 Bc8 27.c4 Qg5 (27...c5 28.Qc3+=) 28.c5= Bf6 29.Rd6 Be7 (29...Bd8 30.R6d2=) 30.Rh6+= Qh6 31.Rd2 ½–½. Lurdalen,Svein Erik – Murray,Michael A (2000), Reykjavik ISL, Open, 2014.

7.0-0 e5 8.de5 Ng4 9.Nbd2 Nge5 10.Ne5 Ne5 11.Be5 de5 12.Rb1 Qe7 13.Qe2 h5 14.h3 Re8 15.e4 Be6 16.Bc4 Rad8 17.Rfd1 Rd7 18.Be6 Qe6 19.Nb3 Bf6 20.Rd7 Qd7 21.Rd1 Qc6 22.b5 Qe6 23.c4 b6 24.Rd5 c6 25.Rd1 Be7 26.Kf1 Rc8 27.Kg1 Kg7 28.bc6 Qc6 29.Rd5 (29.Rc1!?=) 29...Qc4-/+ 30.Qc4 (30.Qf3!?-/+) 30...Rc4 31.Rd7 Kf6 32.Ra7 Re4 33.Ra6 Rb4 34.f3 h4 35.Kf2 Kg7 36.Ke2 b5 37.Ra5 Ra4 38.Ra4 ba4 39.Nd2 f5 40.Kd3 Kf6 41.Nc4 Bc5 42.Nb2 a3 43.Nc4 Ke6 44.Kc3 Kd5 45.Nd2 e4 46.fe4 fe4 47.Nf1 Ke5 48.Kd2 Kd4 49.g3 (49.Ne3–+) 49...Bb4 50.Ke2 Kc3 51.gh4 Kb2 52.Ne3 (52.Kd1 Ka2 53.Kc2 Be1–+) 52...Ka2 53.Nc4 Bc5 54.h5 gh5 55.Kd2 Kb3 56.Na5 (56.Na3 Ka3 57.Kc3–+) 56...Ka4 57.Nb7 Bd4 0–1. Casny,Guenter (1760) – Badestein,Hartmut (2055), Berlin op, 2006. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6 5.d4 0-0)

7.0-0= e5 8.de5 Ng4 9.Nbd2 Nde5 10.Ne5 Ne5 11.f4 Nd3 12.Bg7 Kg7 13.cd3 a5 14.ba5 Ra5=.

7.Nbd2 Re8 8.Nc4 e5 9.de5 de5 10.Be2 Qe7+= 11.c3 b6 12.0-0= Bb7 13.a4 Rad8+= 14.Qc2 Be4 15.Qb3 Bd5 16.Qc2 Qe6 17.Ncd2= c5 18.c4 Bb7 19.b5 e4 20.Ng5 Qe7 21.Nh3 Ne5 22.Ra3 Bc8 23.Nf4 g5 24.Nh5? Nh5–+ 25.Bh5 Rd2! 26.Qd2 Nc4 27.Qc2 Nb2 28.Be2 c4 29.Ra2 c3 30.a5 Rd8 31.ab6 ab6 32.Ra8 Bb7 33.Rd8 Qd8 34.Qb3 Qd5 35.Qa3 c2 36.Qe7 Nd3 37.Qc7 c1Q (37...c1Q 38.Rc1 Be5–+) 0–1. Amor Alcaide,M – Hansen,Lars (2330), Barbera del Valles o, 1997.

5.Nf3 a5

6.b5 0-0 7.Nbd2 c6 8.a4 Re8 9.Be2 Nbd7 10.0-0 Qc7 11.Bc4 Nb6 12.Bb3 (better is 12.Bd3!?+=) 12...cb5-/+ 13.ab5 a4 14.Ba2 Bf5 15.Rc1 a3 16.Ba1 Na4 17.c4 Nb2 (17...Bd3!?–+) 18.Qb3-/+ Qa5 (18...e5 19.Bb2 ab2 20.Qb2+=) 19.Rc3 (19.Bb1!? Be6 20.Bb2 ab2 21.Qb2+=) 19...Na4 20.Rcc1 Nb2 21.h3 (21.Bb1 Bd7=) 21...Nd3 (21...Qa4 22.c5 Qb3 23.Bb3-/+) 22.Rc3 (better is 22.Rb1!? h5 23.g4 hg4 24.hg4 Ng4 25.e4=) 22...Nb4–+ 23.Rfc1 h5 (23...Na2?! 24.Qa2 e5 25.de5 de5 26.Rb3+=) 24.Nh4 Be6 (24...Na2?! 25.Qa2 Bd7 26.Nb1=) 25.e4 (25.Rb1!? Na2 26.Qa2+=) 25...Bh6–+ 26.Nhf3 Rec8 (26...Qa4!?-/+) 27.Rb1+= Na2 28.Qa2 Qb6?? (better is 28...Qa4+=) 29.d5+/– Bd7 30.Ra3 Ra3 31.Qa3 Bg7 32.Bd4 Qc7 33.Qa7 White plans b6 33...Be8 (33...Qb8 34.b6 e5+-) 34.b6 Qd7 35.e5 Nh7 36.ed6 ed6 37.Qa1 Bh6 38.Re1 Ng5?? (better is 38...g5 39.Ne4 f5+-) 39.Ng5 Bg5 40.Ne4 Bh4 (40...Be7+-) 41.Bf6 (41.Bf6 Rc4 42.Bh4 Re4 43.Re4+-) 1–0. Sullivan,N (2105) – Gauthier,Denis (1835), ch–Francophonie, 2015. (=1.Nf3 Nf6 2.b4 d6 3.d4 g6 4.Bb2 Bg7 5.e3 a5)

6.b5 b6 7.a4 Nbd7 8.Nbd2 0-0 9.Bd3 Bb7 10.0-0 c6 11.c4 d5 12.Rc1 dc4 13.Bc4 cb5 14.Bb5 Nd5 15.e4 Nb4 16.Qb3 e6 17.Ba3 Ba6 18.Bb4 ab4 19.Ba6 Ra6 20.Qb4 Re8 21.e5 Bf8 22.Qb5 Ra5 23.Qb3 Nb8 24.Nc4 Ra7 25.Rb1 Rb7 26.a5 b5 27.Nb6 Nd7 28.Qb5 Nb6 29.ab6 Be7 30.h3 Qb8 31.Rfc1 Rc8 32.Qb2 h6 33.Rc8 Qc8 34.Rc1 Qb8 35.Rc6 Bd8 36.Qc2 Kg7 37.Rc8 Qc8 38.Qc8 Rb6 39.Qd8 Rb1 40.Kh2 Rb2 41.Qf6 Kg8 42.Kg3 Re2 43.Nh4 Rd2 44.Ng6 fg6 45.Qg6 Kf8 46.Qh6 Ke7 47.Qf6 1–0. mihai740609 (1610) – gabrie2010, kurnik, 2012.

5.Nf3 c6

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

6.c4 0-0 7.Nbd2 Nbd7 8.Be2 Qc7 9.0-0 a6 10.Rc1 b6 11.Qc2 Bb7 12.Rfe1 c5 13.dc5 dc5 14.b5 ab5 15.cb5 Ra2 16.Qb3 Raa8 17.Nc4 Nd5 18.Bg7 Kg7 19.g3 Nb4 20.Qb2 Nf6 21.Nfe5 Ra2 22.Qc3 Rfa8 23.Ng4 Qc8 24.Nf6 ef6 25.Nd6 Qc7 26.Rcd1 R8a3 27.Qc4 Qe7 28.Nb7 Qb7 29.Rd6 Rc2 30.Qh4 Re2 31.Qf6 Kh6 32.Qf4 Kg7 33.Qf6 Kh6 34.Qf4 Kg7 35.Qf6 ½–½. barborski – jardaz, kurnik, 2012.

6.c4 0-0 7.Bd3=.

6.c4 0-0 7.Be2 Bg4 8.Nbd2 Nbd7 9.Qb3 a5= 10.a3 ab4 11.ab4+= Qc7 12.0-0 e5 13.de5 Ne5 14.h3 Bf3 15.Nf3 Nfd7 16.Rfd1 Nf3 17.Bf3 Bb2 18.Qb2 Ne5 19.Be2 Qe7 20.b5 c5 21.Qd2 Ra1 22.Ra1 Qe6 23.Qc2 Rd8 24.Qe4 d5+= 25.cd5 Qd5 26.Qd5 Rd5 27.f4 Rd2 28.Kf1 Nd7 29.Ra7 b6 30.Rb7 Rd6 31.Bf3 c4= 32.Rc7 Nc5 33.Rc6 Rc6 34.bc6 Na6 35.Ke1 Kf8 36.Kd2 Ke7 37.e4 Kd6+= 38.e5 Kc5 39.g4 h6 40.f5 gf5 41.gf5+= Nc7 42.Ke3 b5= 43.Bh5 Nd5 44.Kd2= Kc6 45.Bf7+= Nf4 46.f6+/– Kd7 47.Kc3 Ne6 48.h4 Nf4 49.Kd4 Ne6 50.Kd5 Nf4 51.Ke4 Ne6 52.Kd5 Nf4 53.Kd4 Ne6+= 54.Ke4 c3 55.Kd3 b4 56.Bg8 Nf4 57.Kc2 Ne6 58.Kc1 Nd4 59.Bf7 b3 60.Bh5 Ke6=+ 61.Bg4 Kf7 62.Bh5 Kf8 63.Kd1 Kg8–+ 64.Bg4?? b2 (64...b2 65.Be6 Kf8–+) 0–1. Geiser,A – Jakob,S, Mendrisio, 1989.

6.c4 0-0 7.Be2 Bg4 8.Nbd2 Nbd7 9.h3 Bf3 10.Nf3 Re8 11.0-0 Qc7 12.Qb3 e5 13.c5 ed4 14.cd6+= Qd6 15.Bd4 Nf8 16.Ng5 Qd5= 17.Qd5 Nd5 18.Bg7 Kg7 19.a3 h6 20.Nf3 Ne6 21.Rac1 Rad8 22.Rc2 (22.Rfd1 Re7=) ½–½. Ehrlich,Hans_Georg (1905) – Grcic,Milanko (1745), 04sen.DSB–Senioren Derby, 2005.

6.c4 Qc7 7.Nbd2 Nbd7 8.Rc1 0-0 9.Bd3 Re8 10.0-0 e5 11.e4 (11.Qc2 b6+=) 11...ed4= 12.Bd4 Ne5 13.Bb1 (13.Ne5 de5 14.Be3 Rd8=) 13...Bg4 14.h3 Bf3 15.Nf3 (worse is 15.gf3 c5 16.bc5 dc5+=) 15...Rad8 16.Qb3 (worse is 16.Ba7 Nf3 17.Qf3 b6 18.Bb6 Qb6-/+) 16...Nh5 17.Ne5 de5 18.Be3 (worse is 18.Ba7 b6 19.Qa4 Qb7 20.Bb6 Qb6–+) 18...Nf4 19.Rfe1 b6 20.a4 c5 21.bc5 bc5 22.Qa3 Ne6 23.a5 Nd4 24.Bd4 (24.Bd3 Re6=) 24...cd4 25.Bd3 Bf8 26.Qa4 Rb8 27.Rb1 Bc5 28.a6 Bb6 (28...Rec8 29.Rb8 Rb8 30.Rb1=) 29.Rb5= Bc5 30.Rb7 Rb7?? (better is 30...Qd6=) 31.Qe8+- (31.ab7 Rb8+=) 31...Bf8 32.ab7 Qb7 33.Rb1 (33.Qe5 Qb2 34.Rb1 Qa3 35.Qd4 Qc5 36.Qc5 Bc5+-) 33...Qe7 34.Qe7 Be7 35.Rb7 (35.Rb5 Kg7+-) 35...Bc5 (35...Bd6 36.Ra7 Kg7 37.Rd7+-) 36.Rc7 (36.Rb5 Ba3 37.Re5 f6+-) 36...Bb6 37.Rc8 Kg7 38.c5 Ba5 39.Ra8 Bb4 40.c6 (40.c6 Bd6 41.Ra7+-) 1–0. Shruthi,K (1905) – Mihiranga,K A Rajitha, 6th DHAMSO International Chess Festival, 2016. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 c6)

6.c4 d5 7.Nbd2 0-0 8.Be2 Re8 9.0-0 Nbd7 10.Qb3 b6 11.a4 Nf8 12.a5 Bf5 13.Rfc1 Ne4 (13...ba5 14.Ra5 Qd6 15.Ba3+/–) 14.Ra3 (better is 14.cd5!? cd5 15.Bb5 Nd2 16.Nd2+/–) 14...Nd2 15.Nd2 e5 16.Nf3 e4 17.Nd2 (17.Ne5 Rc8 18.cd5 cd5 19.Rc8 Bc8 20.ab6 ab6+/–) 17...Be6+= 18.Raa1 Rb8 19.Qa2 b5 (19...ba5 20.ba5 c5 21.Nb3=) 20.cb5+= cb5 21.Rc3 a6 22.Nb3 Nd7 23.Rac1 Bf8 24.Ba3 Nf6 25.Rc6 Rc8 (25...Ra8 26.Nc5 Bc5 27.dc5+/– (worse is 27.bc5 Qa5 28.Qb2 Qd8=)) 26.Qd2 (better is 26.Ra6 Rc1 27.Nc1+-) 26...Rc6= 27.Rc6 Qa8 28.Qc3 Kg7 29.Qc1 h5 30.h3 Bd7 31.Rc2 Be6 32.Nc5 Bc5 33.bc5 Qc6+= 34.Bb4 Nd7 35.Qd1 Nf6 36.Qd2 Rg8 37.Qd1 Rh8 38.f4 Bf5 39.Rc1 Rg8 40.Kf2 Rh8 41.Qf1 Rg8 42.Ke1 Kf8 43.Kd2 Ke7 44.Qf2+= Nh7 45.g4 hg4 46.hg4 Bd7 47.Qh4 Nf6 48.Qg5 Ke8 49.Qe5 Kf8 50.Qb8 Kg7 51.Qe5 Re8 52.Qg5+= Rh8 53.f5 Ne8 54.fg6 f6 55.Qf4 Nc7 56.g5+- Kg6 57.gf6 Ne6 58.Rg1 Kf7 59.Qf5 Nf8 60.Bh5 Rh5 61.Qh5 Ke6 (61...Ng6 62.Qg6 Ke6 63.Qg8 Kf6 64.Qf8 Ke6 65.Rg6) 1–0. Wuenschmann,Bernd – Zanger,K (1815), Dresden GER, 2013.

6.c4 Nbd7 7.Nbd2 0-0 8.Be2 Re8 9.0-0 Nf8 10.c5 d5 11.b5 cb5 12.Bb5 Bd7 13.Bd3 Qc7 14.h3 Bc6 15.Ne5 N6d7= 16.f4 Nf6 17.a4 a6 18.g4 N8d7 19.Qf3= Rf8 20.Bc3 Ne8?? 21.Nd7 Qd7= 22.Kg2 Ba4 23.Rfb1 Bc6+= 24.Nb3 Nc7 25.Na5 Nb5 26.Bd2= e6 27.g5 Rfb8 28.h4+= Nd4 29.ed4 Bd4 30.Ra2 Bc5 31.Nc6 Qc6 32.Rc1 Qd6 33.h5 Bd4 34.Rac2 b5 35.Bc3 Bc3 36.Rc3 b4 37.Rc6 Qf8 38.Ba6 gh5 39.Qb3 Qg7 40.Bb7+/– Rb7 41.Rc8+- Rc8 42.Rc8 Qf8 43.Rf8 Kf8 44.Kg3 ½–½. Jimenez Martinez,Xavier – Gallego Romero,A (2170), I Fincas Mediterranea, Castelldefels ES, 2004.

5.Nf3 Nbd7

6.a3 Nb6 7.c4 c6 8.c5 dc5 9.bc5 Nbd7 10.Nc3 0-0 11.Bd3 b6 12.0-0 b5 13.a4 Bb7 14.ab5+/– cb5 15.Nb5 Bc6 16.Bc1 a6 17.Nc3 Ne8 18.Ra6 Ra6+= 19.Ba6 Nc7 20.Bd3 Qa8 21.Qe2 Nd5? 22.Nd5+- Bd5 23.Bc4 Bc4 24.Qc4 Qc6 25.Bd2 Ra8 26.Rb1 Nf6? 27.Ne5 Qe8 28.c6 Ne4 29.Be1 Nd6 30.Qc5 Rc8 31.d5?? Ne4?? 32.f3?? Nd6 33.Bc3 h5 34.e4 Ra8 35.h3 Rc8 36.Nd3 Bc3 37.Qc3 Kh7 38.Ne5 f6 39.Nd7 f5 40.Rb8 Rb8= 41.Nb8 Qb8 42.Kh2?? Nb5–+ 43.Kh1?? Nc3 44.Kg1 Qb1 45.Kf2 Qc2 46.Kg3 fe4 47.fe4 Ne4 (48.Kh2 h4 49.c7 Qc7 50.d6 Qd6 51.Kh1 Qd1 52.Kh2 Nf2 53.g3 Qh1; 47...Qe4 48.Kh2 Qf4 49.Kh1 Qf1 50.Kh2 Ne2 51.h4 Qg1 52.Kh3 Qh1) 0–1. slavisa11 – ixpert, Live Game Caissa's Web, 2004.

6.c4 b6 7.d5 c5? 8.b5 a6 9.a4 Nh5 10.Bg7+= Ng7 11.Nc3 0-0 12.Bd3 Nf6 13.0-0 e5 14.de6 fe6 15.Qc2 Bb7 16.Ng5 Nfh5 17.f4 Qe7 18.Be4 a5 19.Rad1 Be4 20.Qe4 Nf6 21.Qd3 Nf5 22.h3 Rad8 23.g4 Ng7 24.e4 h6 25.Nf3 Nh7 26.Qe3 g5 27.fg5 Ng5 28.Ng5 Qg5 29.Qg5 hg5 30.Rf8 Kf8 31.e5 Ke7 32.ed6 Rd6+= 33.Rd6 Kd6 34.Ne4 Ke5 35.Ng5 Kd4? 36.h4+- Kc4? 37.h5 Kb3 38.h6 (38.h6 Ne8 39.h7+-) 1–0. Jeschke,Holger – Potschka,Dieter, Schleswig Holstein–ch, 1992.

6.c4 b6 7.Be2 0-0 8.0-0 Re8 9.a4 c5= 10.b5 a6 11.Nbd2 Bb7 12.Qc2 Qc7 13.d5 e6 14.de6 Re6 15.Ng5 Ree8= 16.Bf3 Ne5 17.Bb7 Qb7 18.Be5 de5 19.Nde4 Qc7 20.Rfd1 h6 21.Nf6 Bf6 22.Ne4 Bg7 23.Nc3 ab5 24.ab5+= Ra1 25.Ra1 Qb7 26.Nd5 Re6 27.Qa4 Qd7 28.Qa8 Re8 29.Qc6 Qc6 30.bc6 Bf8?? 31.Nf6 (31.Nf6 Kg7 32.Ne8 Kh7 33.c7+-) 1–0. Jalo,Pentti – Susi,Erkki, Naantali op, 1993.

6.c4 b6 7.Be2 Bb7 8.Nc3 c5 9.Qb3 Rb8 10.a3 0-0 11.0-0 a5 12.Rad1 Qc7 13.Nb5 Qd8 14.Rfe1 Ne8 15.Rd2 Nc7 16.Nc3 f5 17.Red1 e5? 18.de5 Ne5 19.Rd6 Nf3 20.Bf3 Qh4 21.Bb7 Rb7 22.bc5 f4 23.ef4 Qf4 24.R6d2 Bd4 25.Qc2 bc5+/– 26.Bc1 Be5+= 27.g3 Qc4 28.Ne2 Qc2+= 29.Rc2 Ne6 30.Be3 Rc8 31.Rd5 Bb2 32.Rd6 Kf7 33.Ra6 Ba3 34.Ra5 Bb4 35.Ra4 Ke7 36.Rc4 Kd6 37.Ra2 Kd5=+ 38.Rac2 Ba5 39.Nf4= Nf4 40.Rc5 Rc5 41.Rc5 Kd6 42.gf4 Rb1 43.Kg2 Bc7 44.Rc1 Rc1= 45.Bc1 Ke6 46.Kf3 Kf5 47.h4 h5 48.Be3 ½–½. Mercky,G (1905) – Pairaud,Jean Rene, 2nd Open, Gap FRA, 2008.

6.Nbd2 0-0 7.Bd3 c6 8.c3 Qc7 9.Qc2 e5 10.0-0 Re8 11.e4 d5 12.Rac1 de4 13.Ne4 Ne4 14.Be4 f5 15.Bf5?? (better is 15.Bd3=) 15...gf5–+ 16.Qf5 Nf6 17.Qg5 e4 18.Ne5 Qe7 19.Rfe1 Be6 20.c4 h6 (20...Qb4 21.Re2–+) 21.Qg3 Nh5 22.Qe3 Be5 (better is 22...Qb4!? 23.Re2 Nf6–+) 23.de5-/+ Bf5 (better is 23...Qb4!? 24.Qh6 e3+=) 24.Qh6+= Ng7 25.Re3 Qe6 26.Qg5 Qe7 27.Qh6 Qe6 28.Qg5 Qe7 29.Qh6 ½–½. xnajlepszyx (1610) – lucasmoura, kurnik, 2011.

6.Nbd2 0-0 7.Be2 Re8 8.0-0 e5 9.de5 Ng4 10.c4 Nde5 11.Ne5 Be5 12.Be5 Ne5 13.Qb3 Be6 14.Qc2 Qe7 15.c5 dc5 16.bc5 Bf5 17.Qc3 Rad8 18.Nf3 Nf3 19.Bf3= Be4 20.Be4 Qe4 21.Rfd1 Rd1 22.Rd1 Qe7 23.Qb4 b6 24.Qa4 Ra8 25.cb6 cb6 26.Rd7 Qe8 27.Qd4 Rc8 28.g3 Ra8 29.e4 Qe6 30.a4 Re8= 31.Ra7 Qe4 32.Qe4 Re4 33.Kg2 h5 34.Kf3 Re6 35.Kf4 f5 36.Kg5+- Re2? 37.Kg6 Rf2 38.Ra8 1–0. Brukske – starshaker, internet, 2007.

6.Be2 0-0 7.0-0 Nd5 8.b5 c5= 9.bc6 bc6 10.Nc3 Rb8 11.Qc1 N7b6 12.Rb1 Bf5 13.Bd3 Bd3 14.cd3 Qd7 15.Qd2 Rfc8 16.Rfc1 Nc3 17.Bc3 Na4 18.Rb8 Rb8 19.Bb4 Qb7 20.a3 Qb5 21.Qc2 a5 22.Bd2 c5 23.dc5 Nc5 24.d4 Nb3 25.Rb1 a4 26.Bb4 Qd7 27.Nd2 Nd2 28.Bd2 Rb1 29.Qb1 Bf6 30.d5 Qg4 31.e4 Qe2+= 32.Qe1 Qd3 33.Qe3 Qb1 34.Qe1 Qb3 35.Bc1 Bb2=+ 36.Bg5 f6 37.Bh6 Ba3 38.h4 Bb4 39.Qe2+= Ba5 40.Qg4 f5+= 41.ef5 Qb1 42.Kh2+/– Qf5? 43.Qa4+- Kf7 44.Qa5 Qf2 45.Qb4 1–0. Gorczyca,A (2070) – Cagara,P, ch–Poland Girls U18, Zakopane Poland, 2001.

6.Be2 e6 7.0-0 Qe7 8.c4 e5 9.d5 0-0 10.Nc3 b6 11.a4 a6 12.c5 bc5 13.bc5 dc5 14.Ba3 Bb7 15.Nd4?? Nb6 16.Nc6 Bc6 17.dc6 Rfd8 18.Qc2 Qe8 19.Bf3 Bf8 20.Rad1 Nc4 21.Bb4?? a5 22.Ne4?? Ne4–+ 23.Be4 cb4 24.Qc4 Rd1 25.Rd1 Rd8 26.Bd5 Bd6 27.e4 Ra8 28.g3 Qf8 29.Qc1 Kg7 30.f4 ef4 31.gf4 Bf4?? 32.Qf4+- Qc5 33.Kg2 Qc2 34.Qd2 Qa4 35.Qd4 Kg8?? 36.Ra1 Qb5? 37.Qc4?? Qb8?? 38.Bf7 Kh8?? 39.Qd4 1–0. mihai740609 – dragonrider, kurnik, 2011.

6.h3 0-0 7.b5 a6 8.ba6 ba6 9.a4 Rb8 10.Ba3 Nb6 11.a5 Nbd5 12.Bc4 c6 13.Bd5 Nd5 14.0-0 Nf6 15.Nbd2 Nh5 16.Nb3 Be6 17.Nbd2 Bd5 18.Re1 Re8 19.c4 Be6 20.Ne4 Qc8?? 21.Kh2?? Bf5 22.Ng3 Ng3 23.fg3 Be4 24.c5 d5 25.Qe2 Qf5 26.Nh4 Qd7=+ 27.Rf1 e5 28.de5 Be5 29.Rab1?? Qc7 30.Rb8 Bg3 31.Kg1 Qb8 32.Nf3 Qb3 33.Bb2 Qb4 34.Nd4 Qa5 35.Qg4 Be5?? 36.Nc6?? Qc7?? 37.Ne5+- Re5 38.Be5 Qe5 39.Qc8 Kg7 40.Qa6 Qg5 41.Qa2 Qe3 42.Qf2 Qf2 43.Rf2 f5 44.c6 d4 45.c7 Bb7 46.Rb2 Bc8 47.Rb8 Be6 48.c8Q Bc8 49.Rc8 Kf6 50.Rd8 Ke5 51.Kf1 h5 52.Kf2 g5 53.Re8 Kf4 54.g3 1–0. wojtekkk – janek3555, kurnik, 2011.

5.Nf3 Bg4

6.Be2 Nc6 7.b5+= Nb4 8.Nbd2 Bf5+= 9.0-0 Bc2 10.Qc1 Bd3 11.Bd3 Nd3 12.Qc3 Nb2 13.Qb2 0-0 14.Rac1 Nd5 15.Qb3 Nb6 16.Rc2 Qd7 17.a4= a6 18.Rfc1 Rfc8 19.a5+- Qb5 20.Qb5 ab5+/– 21.ab6 c6 22.g3 Ra6+= 23.Ne1 Rb6= 24.Nd3 Ra6 25.Kf1 Rca8 26.Ke2 Ra1 27.Ra1 Ra1 28.Nb3 Ra8 29.Ndc1 b6?? 30.Rc6+- 1–0. pumpkin (2485) – kago (1940), net–chess.com, 2004.

6.Be2 Nbd7 7.0-0 0-0 8.h3 Be6 9.c4 Ne4 10.d5 Bb2 11.de6 Ba1 12.ed7 Qd7 13.Na3 Bc3 14.Qc2 f5 15.b5 c5 16.bc6 bc6 17.Ng5 Bb4 18.Ne4 fe4 19.Nb1 d5 20.Rd1 e6 21.a3 Bd6 22.f3 ef3 23.Bf3 Qc7 24.Qd3 Rf5 25.Bg4 Bh2 26.Kh1 Rf6 27.Qd4 Raf8 28.Nd2 h5 29.Bf3 e5 30.Qc5 e4 31.Be2 Bd6 32.Qd4 Qe7 33.cd5 cd5 34.Qd5 Kh7 35.Ne4 Qe5 36.Nd6 Rd6 37.Qe5 Rd1 38.Bd1 Rf1 39.Kh2 Rd1 40.Qc7 Kh6 41.Qa7 Re1 42.Qd4 1–0. mihai740609 – am121, kurnik, 2012.

6.Be2 Nbd7 7.c4 c6 8.a4 0-0 9.0-0 Qc7 10.Nc3 Rfd8 11.a5 e5 12.h3 Bf3 13.Bf3 Rac8 14.Qb3 Re8 15.Rfd1 h5 16.g3 g5 17.Bg2 ed4 18.ed4 Kh8 19.Bc1 Nh7 20.a6 b6 21.b5 c5 22.Nd5 Qd8 23.Bb2 Re2 24.Bf3 Rb2 25.Qb2 cd4 (25...Bd4!? 26.Rd4 cd4 27.Bh5 Rc4+/–) 26.Qa3 Ne5 27.Bh5 Nf6 28.Nf6 Qf6 29.Rac1 (29.Rd4?! Nc4 30.Rc4 Rc4+/–) 29...d3 30.Rd3 Nd3 31.Qd3 Qd4 (31...Re8 32.Rd1+-) 32.Qf5 Rc5? (32...Qc5 33.Qd7 Bd4 34.Bf7 Bf2 35.Kg2 Bg3+-) 33.Qf7 Rc8 (33...Qf6 34.Qa7 Qd8+-) 34.Bg4 (34.Bg4 Qf6 35.Qh5 Kg8 36.Bc8+-) 1–0. Zorko,Jure (2335) – Filip,Matej (2025), SLO–ch U18 Murska Sobota, 2006. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.d4)

6.Be2 Nbd7 7.Nbd2 0-0 8.0-0 Re8 9.h3 Bf3 10.Nf3 (worse is 10.gf3 a5 11.b5 a4+=) 10...e5 11.de5 de5 12.c4 c6 13.Qc2 Qc7 (13...e4 14.Nd2=) 14.e4+= c5 15.a3 cb4 16.ab4 b6 17.Rfc1 (17.Ra2 a5 18.Rfa1 Qc6+=) 17...Rad8 (17...a5!?=) 18.c5 bc5 19.bc5 Rc8 20.c6 Nb8 21.Qa4 Re6 (21...h6 22.Bb5+/–) 22.g3 (22.Bc4 Ree8+-) 22...Rc6 (better is 22...h6+/–) 23.Be5?? (better is 23.Ne5 Rc1 24.Rc1+-) 23...Rc1–+ 24.Kg2 Ra1 25.Qa1 Qe7 26.g4 Ne8 27.Bg7 Ng7 28.Qd4 Nc6 29.Qe3 Ne6 30.Nd2 Ned4 31.Bc4 a5 32.Bd5 Qa7 33.Qa3 (33.Nc4–+) 33...Qe7 34.Qa2?? (34.Qe3 Nc2 35.Qb6–+) 34...Kg7 (34...Nb4 35.Qa1 Ne2 36.Nf3–+) 35.Nc4 Ra8 36.Qa4 (36.Qa4 Ra6 37.f4–+). Fournier,Frederic (1980) – Fremont,Xavier, Ch Club, 2013. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6 5.d4 Bg4)

6.Be2 Bf3 7.Bf3 Nbd7 8.a3 Rb8 9.0-0 0-0 10.Nd2 b6 11.c4 c5 12.b5 cd4 13.ed4 Qc7 14.Qb3 e5 15.de5 Ne5 16.Be2 Qc5 17.h3 Rbe8 18.Rfe1 Ned7 19.a4 Ne4 20.Ne4 Re4 21.Bg7 Kg7 22.Bf3 Re1 23.Re1 Ne5 24.Bd5 Re8 25.Qc3 f6 26.Kf1 h5 27.f4 Qc8 28.fe5 de5 29.Qf3 Qc5 30.Rd1 Qb4 31.Bc6 Qc4 32.Qd3 Qf4 33.Kg1 Re7 34.Qd6 Qe3 35.Kh1 Rf7 36.Bd5 Rf8 37.Qe7 Kh6 38.Qf8 Kg5 39.h4 Kg4 40.Qf6 Qe2 41.Bf3 Qf3 42.Qf3 1–0. Orang4Utan (1680) – Ibemucil (1635), lichess.org, 2017.

4.d4 e6

5.c4 Qe7 6.a3 0-0 7.Nf3 a5 8.b5 c6 9.a4 cb5 10.ab5 b6 11.Be2 Qb4 12.Qd2 Qd2 13.Nbd2 Bb7 14.0-0 d5 15.c5 bc5 16.dc5 Ne4 17.Bg7 Kg7 18.c6 Bc8? (18...Nd2 19.Nd2 Bc6 20.bc6 Nc6+-) 19.Ne4 de4 20.Nd4 e5 21.Nb3 Be6 22.Na5 Rd8 23.Nb7 Rd2 24.Ra8 Nc6 25.Re1 Nb4 26.Bf1 Nc2 27.Rc1 Bd5 28.Rb8 Nb4 29.g3 Nd3 30.Bd3 ed3 31.Nc5 Rc2 32.Nd3 Bc4 33.Rc2 (33.Rc2 Bd3 34.b6 Bc2 35.b7+-) 1–0. ourang – bunusa, kurnik, 2012.

5.c4 Qe7 6.a3 d6 7.Nf3 Bd7 8.Nbd2 c5 9.Be2 cd4 10.Nd4 0-0 11.0-0 e5 12.Nb5 Bb5 13.cb5 Nbd7 14.Rc1 Rac8 15.Nc4 d5 16.Na5 Rc1 17.Qc1 Ne4 (better is 17...Nb6!?=) 18.Nb7 Ndf6 19.Nc5 Nc5 20.bc5 Ne4 21.c6 Qg5 22.Bf3 Nf6 23.a4 e4 24.Be2 d4? 25.Bd4 Nh5 26.Ba7 Be5 27.Bh5 Qh5 28.g3 f5 29.c7 Rc8 30.Qc4 Kg7 31.b6 f4 32.Qe6 fg3 33.fg3 Rf8 34.Rf8 Kf8 35.c8Q Kg7 36.Qcg8 Kh6 37.Qf8 Bg7 38.Qf4 Qg5 39.Qg5 Kg5+- 40.Qe4 (40.Qe4 Kf6 41.b7 Bf8 42.Bd4 Kf7 43.b8Q Bg7 44.Qbe8#; 40.Bb8 Kh5 41.g4 Kg5 42.Bf4 Kh4 43.Bg3 Kg5 44.h4 Kh6 45.Bf4#) 1–0. ourang – maykiman, kurnik, 2012.

5.Nf3 0-0 6.c4 a5 7.b5 c6 8.a4 cb5 9.ab5 b6 10.Nbd2 Bb7 11.Be2 Ne4 12.0-0 Nd2 13.Nd2 Qc7 14.Bf3 d6 15.Bb7 Qb7 16.Qf3 Qf3 17.Nf3 Nd7 18.Rfc1 Rfc8 19.Nd2 Rc7 20.Ne4 Bf8 21.Ba3 d5 22.Bf8 de4 23.Bd6 Rcc8 24.c5 bc5 25.dc5 f5 26.b6 Ra6? 27.b7 Rcc6 28.b8Q Nb8 29.Bb8 a4 30.Bd6 a3? 31.Ra2 Ra4? 32.Rc3 Rb4 33.g3 Rb2 34.Rca3 Ra2 35.Ra2 Kf7 36.Ra7 Kg8 37.Rc7 Ra6 38.Rb7 h5 39.Rb6 Ra1 40.Kg2 Rc1 41.Rc6 Kh7 42.Rc8 Kh6 43.h4 g5 44.hg5 Kg5 45.c6 h4 46.gh4 Kh4 47.c7 f4 48.Bf4 Kg4 49.Rg8 (49.Rg8 Kf5 50.c8Q Rc8 51.Rc8+-) 1–0. ourang – cofigo, kurnik, 2012.

5.Nf3 Nc6 6.a3 Ne7 7.c4 0-0 8.Be2 a6 9.0-0 b6 10.Nbd2 Bb7 11.Rc1 Ne4 12.Ne4 Be4 13.Nd2 Bb7 14.Bf3 c6 15.Qc2 Rb8 16.Rfd1 Nf5 17.Nb3 Nh4 18.Qe2 Nf3 19.Qf3 c5 20.d5?? (20.Qg3 d6=) 20...cb4 (better is 20...Bb2 21.bc5 Bc1 22.Rc1 bc5 23.Nc5 Qc7–+) 21.Bg7+= Kg7 22.ab4 Qe7 23.c5 bc5 24.Nc5+= Ba8 25.Na6 Bd5 26.Rd5 ed5 27.Nb8 Rb8 28.Qd5 Rb4 29.h3 Rb8 30.Rd1 Rd8 31.Qd6 Qe4 32.Qd4 Qd4 33.Rd4 d6 34.Kf1 Rd7 35.Ke2 d5 36.e4 Re7 37.f3 de4 38.Re4 Rb7 39.Kf2 Rb2 40.Kg3 Rb7 41.h4 Rb2 42.Rd4 Kf6 43.Kh3 Ke5 44.Rd7 Ke6 45.Rc7 f6 46.Rh7+/– g5 47.hg5 fg5 48.Kg3 Kf6 49.Rh6 Kf5 50.Ra6 Rb4 51.Ra5 Kg6 52.Rc5 Rf4 53.Re5 Rb4 54.Re4 Rb5 55.Kg4 Rf5?? 56.g3 Rf6? 57.f4 gf4+/– 58.Rf4 Rd6 59.Rc4 Re6 60.Rf4 Rd6 61.Rc4 Re6 62.Rf4 Re3 63.Rb4 Re6 64.Ra4 Kf6 65.Rf4 Ke5 66.Rf5+- Ke4 67.Ra5 Rg6 68.Kh4 Kf3 69.Ra3 Kg2 70.g4 Rh6 71.Kg5 Rh8 72.Kf5?? Rf8= 73.Kg6 Rg8 74.Kf5 Rg7?? 75.g5+- Kf2 76.Kf6 Rb7 77.g6 Rb6 78.Kg7 Ke2 79.Kh8 Rb8?? 80.Kh7+- Rb7 81.g7 Rg7 82.Kg7 Kd2 83.Kf6 Kc2 84.Ke5 Kb2 85.Rh3 Kc2 86.Kd4 Kd2 87.Rh2 Ke1 88.Ke3 Kd1 ½–½. ourang – kokosz2, kurnik, 2012.

5.Nf3 d5 6.c4 0-0 7.c5 c6 8.Bd3 b6 9.0-0 bc5 10.bc5 Na6 11.Qa4 Qd7?? (better is 11...Nb8+/–) 12.Ba6+- Ba6 13.Qa6 Ne4 14.Nc3 Nc3 15.Bc3 f5 16.Rab1 h6 17.Rb7 Qc8 18.Rfb1 g5 19.Qe2 a5 20.a4 f4 21.Qd2 fe3 22.fe3 Qe8 23.Ba5 Qg6 24.Qd1 g4 25.Ne5 Be5+/– 26.de5 Qf5?? 27.Bd2+- h5 28.Qf1 Qe5 29.Qd3 Rf5 30.a5 Raf8 31.Bc3 Qe4 32.Rg7 Kh8 33.Rg5 e5 34.Qe4 de4 35.Rf5 Rf5 36.Rb8 Kg7 37.a6 Rf7 38.Rb7 Rb7 39.ab7 Kf6 40.b8Q Kf5 41.Qe5 Kg6 42.Qe4 Kf7 43.Qc6 Ke7 44.Qd6 Kf7 45.c6 Kg8 46.c7 Kh7 47.c8Q h4 48.Qcc7 Kg8 49.Qdd8# (49.Qg7#) 1–0. ourang – tafa5, kurnik, 2012.

5.Nf3 d5 6.Nbd2 Bd7 7.Bd3 a6 8.0-0 Nc6 9.a3 Qe7 10.c4 dc4 11.Nc4 h5 12.Rc1 h4 13.Nfe5 Ne5 14.Ne5 Nd5 15.Be4 c6 16.Bf3 Be5 17.de5 0-0 18.Qd2 Qg5 19.e4 Qd2 0–1. mihai740609 – magicznylech, kurnik, 2012.

5.Nf3 d5 6.Be2 Nc6 7.b5 Ne7 8.0-0 c6 9.c4 dc4 10.Bc4 cb5 11.Bb5 Bd7 12.Qe2 a6 13.Bd7 Qd7 14.Nc3 0-0 15.Rac1 Rac8 16.h3 Rc7 17.Ne5 Qd6 18.Nc4 Qd7 19.Rc2 Rfc8?? 20.Nd2?? Nfd5 21.Rfc1? Nc3?? 22.Rc3 Rc3 23.Rc3 Rc3 24.Bc3 Nd5 25.Bb2 Qc6 26.Nb3 Bf8 27.Na5 Qc7 28.Nb3 a5 29.Qb5 Qc2 30.Na5 Qd1 31.Kh2 Qd2 32.Kg3? Bd6 33.Kf3 Kg7?? 34.Nb7+- Qd1 35.Qe2 Qe2 36.Ke2 Bb4 37.a3 Be7 38.g3 Kf8 39.e4 Nb6 40.Na5 Bd8 41.Nb3 Nc4 42.Bc1 Ke7 43.Kd3 Nb6 44.a4! Na4 45.Nc5 Nc5 46.dc5 Kd7 47.Kc4 Kc6 48.Bf4 f5 49.ef5 ef5 50.Bd6 Bf6 51.f3 h5 52.Bf8 Bb2 53.Kd3 Bf6 54.Ke3 Kd5 55.Kf4+/– Kc6 56.g4 hg4 57.fg4 fg4 58.hg4 g5 59.Kf5 Bd8 60.Bh6 Kc5 61.Bg5 Bc7 62.Bf6 Kd6?? 63.Kg6 Kd7 64.Kh7 Ke8?? 65.g5+- Bd6 66.g6 Bf8 67.g7 1–0. mihai740609 – rak69, kurnik, 2011.

5.Nf3 Qe7 6.Bd3 Qb4 7.c3 Qb6 8.Qc2 0-0 9.Nbd2 d5 10.0-0 c5 11.c4 cd4 12.Bd4 Qc7 13.Rac1 dc4 14.Nc4 b5 15.Na3 Qc2 16.Rc2 a6 17.Ne5 Bb7 18.Rc7 Bd5 19.Bb1 Ne8 20.Rc5 Nf6 21.e4 Ne4 22.Be4 Be4 23.f3 Bd5 24.Rfc1 Be5 25.Be5 Nc6 26.Bd6 Rfd8 27.Bc7 Rdc8 28.Bg3 Re8 29.Nc2 Ne7 30.a3 Nf5 31.Bf2 Bc4 32.Nb4 a5 33.Nc6 a4 34.Ne5 Be2 35.R1c2 Bc4 36.Nc4 bc4 37.R5c4 Nd6 38.Rc6 Nb5 39.Bc5 Rec8 40.Bb4 Rc6 41.Rc6 Nd4 42.Rc7 Nb5 43.Rb7 Nd4 44.Rd7 Nc2 45.Be7 Re8 46.Bd6 Ra8 47.Kf2 Nd4 48.Be7 h5 49.h3 Kg7 50.g4 hg4 51.hg4 Kg8 52.g5 Rc8 53.Rd4 Rc2 54.Kg3 Rc7 55.Bb4 Ra7 56.Kg4 Kg7 57.Rc4 f6 58.gf6 Kf6 59.Rc5 e5 60.Ra5 Ra5 61.Ba5 Ke6 62.Bc3 Kf6 63.f4 g5 64.fe5 Ke6 65.Kg5 Kd5 66.Kf6 Kc4 67.Bb4 Kd5 68.e6 Kc6 69.Kf7 Kd5 70.e7 Kc4 71.e8Q Kb3 72.Qe3 1–0. mihai740609 – beniki, kurnik, 2012.

5.f4 b6 6.Nf3 Bb7 7.Bd3 d5 8.Nbd2 Nc6 9.a3 Qd7 10.0-0 0-0-0 11.c4 dc4 12.Nc4 Nd5 13.Qd2 h5 14.Rfc1 Kb8 15.b5 Nce7 16.Nce5 Be5 17.Ne5 Qe8 18.e4 f6 19.Nc6! Nc6 20.bc6 Bc6 21.ed5 Bd5 22.Qc2 Rc8 23.Be4 g5 24.Bd5 ed5 25.f5 g4 26.Re1 Qd7 27.Bc1 h4 28.Bf4 h3 29.g3 Rh7 30.Re6 Rf7 31.Rae1 Qb5 32.a4 Qb4 33.Rd1 a5 34.Rd3 Ka7 35.Qb3 Qf8? 36.Qd5 Re7 37.Qc6 Re6 38.fe6 Qb4 39.Rd1 Qb2 40.Bc7 Qe2 41.Bb6 Kb8 42.Ba7! Ka7 43.Qd7 Ka6 44.Qd6 Kb7?? 45.Qd5 Kc7?? 46.Rc1 Kb6 47.Qb5 Ka7 48.Qa5 Qa6+- 49.Qa6 Ka6 50.Rc8 Kb6 51.e7 Kb7 52.e8Q Kb6 53.d5 Ka5 54.d6 Kb4 55.d7 Ka3 56.d8Q Kb3 57.a5 (57.a5 f5 58.Qd3 Kb2 59.Qeb5 Ka2 60.Qbb1#; 57.Qd3 Kb2 58.Qeb5 Ka2 59.Qbb1#) 1–0. amator111 (1625) – scorpionnn (1810), kurnik, 2012.

5.f4 d5 6.Nf3 c6 7.Bd3 b6 8.a3 Bb7 9.Nbd2 Nbd7 10.c4 0-0 11.c5 bc5 12.dc5 a5 13.0-0 ab4 14.ab4 Ra1 15.Qa1 Qa8 16.Nb3 Ba6?? 17.Qa6 Qa6 18.Ba6 Rb8 19.b5! cb5 20.c6 Nb6 21.Be5 Ra8 22.Bb7 Ra3 23.Nc5 Ne8 24.Bg7 Kg7 25.Re1 Nc7 26.Nd4 Nc4 27.Rb1 Nd6 28.h3 Re3 29.Na6 Nde8? 30.Nc7 Nc7 31.Nb5 Nb5 32.Rb5 Rc3 33.Rb2 d4 34.Rd2 Rc4 35.Rd4! Rd4 36.c7 Rc4 37.c8Q Rc8 38.Bc8 Kf6 39.Kf2 Kf5 40.Kf3 h5 41.g4 hg4 42.hg4 Kf6 43.Ba6 Ke7 44.Ke4 Kd6 45.g5 Ke7 46.Ke5 Kd7 47.Kf6 Ke8 48.Bb7 Kf8 49.Be4 Kg8 50.Bc6 Kf8 51.Bb5 Kg8 52.Be8 e5 53.fe5 Kf8+- 54.Bf7 (54.e6 Ke8 55.ef7 Kd7 56.Kg6 Ke6 57.f8Q Kd5 58.Kf6 Kd4 59.Qd6 Kc3 60.g6 Kc2 61.g7 Kb3 62.g8Q Kc3 63.Qgg3 Kb2 64.Qga3 Kc2 65.Qdd3#) ½–½. amator111 (1680) – sfiduesi (1720), kurnik, 2012.

4.d4 Rg8

5.a3 Nd5 6.Bc4 Nb6 7.Bb3 e6 8.Qf3 d6 9.h4 N6d7 10.h5 Nc6 11.h6 Bh8 12.b5 Na5 13.a4 Nb3 14.cb3 b6?? 15.Qa8+- d5 16.Qc6 Qg5 17.g3 Kd8 18.Nd2 Qf5 19.a5 Qd3 20.Qc3 Qe4 21.Ngf3 Qf5 22.ab6 ab6 23.Ra7 c5 24.bc6 Nb8 25.c7 Ke8 (25...Ke7 26.cb8Q Bd7 27.Qb4 Kf6 28.Qe5 Qe5 29.de5 Kf5 30.g4) 1–0. wojtekkk – josephpa, kurnik, 2011.

5.a3 d6 6.c4 Bg4 7.Be2 Be2 8.Ne2 a6 9.0-0 Nbd7 10.c5 dc5 11.bc5 b6 12.cb6 cb6 13.Nd2 Qc7 14.Rc1 Qb7 15.Ng3 Rc8 16.Qf3+- Qf3?? 17.Nf3 Rc1= 18.Rc1 b5?? 19.h3 Kd8 20.Rc6 Nd5 21.Ra6 Nc7 22.Ra7 e6? 23.Nd2 Bf6 24.Nge4 Be7 25.Nb3 f5 26.Na5 fe4 27.Nc6 Ke8 28.Ne7 Ke7+/– 29.Rc7 Kd6 30.Rb7 Rc8 31.Rb5+- Rc2 32.Kh2 g5 33.a4 g4 34.a5 Nf6? 35.h4 h5 36.Rb6 Kd5 37.a6 Nd7 38.Rb5 Kd6 39.a7 Rc8 40.Ba3 Kc7 41.g3 Ra8 42.Ra5 Kc6 43.Bc5 Nb6?? 44.Bb6 e5 45.Rc5 Kb6 46.Re5 Ra7 47.Re6 Kb5 48.Re5?? Kc4?? 49.d5 Kd3 50.d6 Ke2 51.Rd5 Kf2?? 52.Rf5 Ke2 53.d7?? (53...Rd7 54.Rh5 Ke3 55.Re5–+; better is 53.Rh5 Ra2 54.Rf5=). slavisa11 – ixpert, Live Game Caissa's Web, 2004.

5.c4 Ne4 6.f3 Ng5 7.Qc2 d6 8.Bd3 e5 9.d5 f5 10.Nd2 Na6 11.a3 c5 12.b5 Nc7 13.Ne2 b6 14.0-0 a6 15.a4 ab5 16.ab5 Ra1 17.Ra1 Qe7 18.Ra7 Kd7 19.Nc3+- e4 20.fe4 Nh3?? 21.gh3 Qg5 22.Kh1 Qe3 23.ef5 Qe1 24.Nf1 Rf8 25.Qe2 Qe2 26.Be2 Rf5 27.Kg2 Rg5 28.Kf2 Bd4 29.Ke1 Kd8 30.Na4 Bh3 31.Bd4 cd4 32.Nb6 Re5 33.Kd2 h5 34.Na4 g5 35.b6 (35.b6 Re7 36.b7+-) 1–0. amator111 (1645) – fonetka, kurnik, 2012.

4.d4 Nh5

5.c4 d5 6.Nf3 dc4 (6...0-0 7.Nc3 Nf6 8.cd5 Nd5 9.Nd5 Qd5 10.Qc2+=) 7.Bc4 Nc6 (7...0-0 8.0-0+=) 8.Qb3 Be6?? (better 8...e6!?+/-) 9.Be6 (better 9.d5 Bd5 10.Bd5 Qd5 11.Qd5 Bb2 12.a3 Ba1 13.b5+-) 9...fe6 10.Qe6 (10.b5 Na5 11.Qa4 b6+/-) 10...Rf8 (better 10...Nb4!? 11.Qb3 a5+/-) 11.b5+- Rf6? (better 11...Nb4 12.Qc4 Nd5+-) 12.Qc4 (12.Qg8 Rf8 13.Qh7 Qd6+/-) 12...Na5 13.Qc3 (better 13.Qg8!? Rf8 14.Qh7 Qd6+-) 13...b6 (13...c6 14.Qb4+/-) 14.0-0 Qd5 15.Nbd2 (15.Qc7!? Qb5 16.Ba3+-) 15...Qb5+/- 16.a4 Qc6 (16...Qd5 A) 17.Qc7? Rc6 18.e4 Qg8-+ (18...Rc7?! 19.ed5 Nf4 20.d6=+); B) 17.e4 Qg8 18.Qe3+/- (18.Qc7? Rc6 19.Rfc1 Rc7 20.Rc7 Nf4-+)) 17.Qd3 (17.g4 Nf4 18.ef4 Rf4+-) 17...Rd6 (17...Qd5!?+/-) 18.Rfc1 Qd5 (18...Qd7 19.Nc4 Rd5 20.Na5 Ra5 21.Qc4+-) 19.Rc7 Rad8 (19...Kd8 20.Qc2 Rc6 21.Rc6 Qc6 22.Qc6 Nc6 23.Ng5+-) 20.Rac1 (better 20.Ra7 Nc6 21.Rc7+-) 20...Nb3?? (20...R8d7+-) 21.Nb3 g5 (21...R6d7 22.Nbd2+-) 22.e4 (better 22.Ba3 Re6 23.Qh7 Kf8 24.Qh5 Bf6+-) 22...Qf7 (22...Nf4 23.Qe3 Qe6 24.h3+-) 23.e5 (better 23.Ba3 Qg6+-) 23...g4 (23...Rd5 24.Qh7 Nf4 25.Ng5 Qg6+-) 24.Ng5 (better 24.Qb5 Kf8 25.ed6 Bf6+-) 24...Qg6 (24...Qd5 25.ed6 Rd6 26.Qh7 Nf4+-) 25.Qb5 Kf8 26.ed6 ed6 27.Re1 (better 27.Qd5 Nf6 28.Rf7 Kg8 29.Rf6 Kh8 30.Rg6 a6 31.Nf7 Kg8 32.Nd8 Kh8 33.Nf7 Kg8 34.Rc8) 27...Qg5 28.Qg5 h6 (28...Bf6 29.Qh6 Bg7 30.Qe6 Bd4 31.Qf7) 29.Qe7 (29.Qd8) 29...Kg8 30.Qf7 (30.Qd8 Bf8 31.Re8 Ng7 32.Qf6 Ne8 33.Qf7 Kh8 34.Qf8) 30...Kh7 (30...Kh8 31.d5 Ra8 32.Bg7 Kh7 33.Be5 Ng7 34.Qg7) 31.Qh5 Rf8 (31...a6 32.Re6 Kh8 33.Qg6 Rg8 34.Qh6 Bh6 35.Rh6) 32.Ree7 (32.d5 Rg8 33.Qf5 Kh8 34.Rg7 Rg7 35.Re8) 32...Kh8 (32...Rg8 33.Rg7! Rg7 34.Qf5 Kh8 35.Qf8 Kh7 36.Qg7) 33.Rg7 Rf2 (33...Rf6 34.Qe8 Rf8 35.Qf8) 34.Qh6 1-0. ClayPigeons (2190) - patsalo (2260), Rated Bullet game, lichess.org, 2019.

5.Be2 Nf6 6.c3 0-0 7.a3 a5 8.Nf3 ab4 9.cb4 c6 10.0-0 b5 11.Nc3 Bb7 12.h3 d6 13.Bd3 Nbd7 14.Ne4 d5 15.Nf6 Nf6 16.Ne5 Ne4 17.Be4 de4 18.Qg4 Qc7 19.Qe4 c5 20.Qf4 cd4 21.Bd4 Rad8 22.Rfc1 Qd6 23.Bc5?? Qe5=+ 24.Qe5 Be5 25.Rab1? Rfe8 26.Rf1 Be4 27.Rbc1 Bb2 28.Rcd1 Ba3 29.Rd8 Rd8 30.Be7 Re8 31.Bc5 Bb2 32.Rd1 Bg7 33.Rd6 Bf8 34.Rb6 Bd3 35.Bd4? Bb4 36.Kh2 Ba5 37.Kg3 Bb6 38.Bb6 b4 0–1. wojtekkk – xherma, kurnik, 2011.

5.Nf3 0-0 6.Be2 Nf6 7.0-0 d6 8.c4 Nfd7 9.a4 Re8 10.Nbd2 e5 11.Qc2 ed4 12.Bd4 Ne5 13.Rfe1 Nf3 14.Nf3 (worse is 14.gf3 Bd4 15.ed4 Nc6-/+) 14...Bd4 15.Nd4 Nc6 16.b5 Ne7 17.Rad1 c6 18.Bf3 c5 19.Ne2 Bd7 (19...a6 20.Ng3+/–) 20.Nf4 Rb8 21.Rd6 Qc8 22.Red1 Bf5 23.Qc3 a6 24.h3 Qc7 25.Qf6 Rbd8 26.ba6 ba6 27.Rd8 Rd8 28.Rd8 Qd8 29.Qa6 Qd2 30.Qa8 Kg7 31.Nd5 Nd5 32.Qd5 Bd3 33.Qe5 Kg8 34.Qe8 Kg7 35.Qe5 Kg8 36.Qe8 Kg7 37.Qe5 ½–½. ourang – maneksmm13, kurnik, 2012.

4.Be2 0-0

5.a3 Nc6 6.d3 e6 7.Nf3 d5 8.Nbd2 b5 9.Rb1 a6 10.0-0 Ne7 11.c4 Bb7 12.cb5 ab5 13.Nb3 Nd7 14.Bg7 Kg7 15.Na5 Qc8 16.Qc2 c6 17.Qb2 f6 18.d4 Qc7 19.h3 Nb6 20.Rfc1 Nc4 21.Bc4 bc4 22.Qc3 Rfb8 23.Nd2 Bc8 24.e4 Bd7 25.ed5 ed5 26.Nf3 Qf4 27.Re1 Re8 28.Qe3 Qd6 29.Qc3 Nf5 30.Re8 Re8 31.Re1 Re1 32.Qe1 Qf4 33.Qc3 g5 34.Nb7 g4 35.hg4 Qg4 36.Nc5 Nh6 37.Nd7 Qd7 38.Qe3 Ng4 39.Qf4 Qe6 40.g3 Qe4 41.Qe4 de4 42.Ne1 f5 43.a4 Nf6 44.a5 Nd5 45.a6 Kf6 46.Nc2 Ke6 47.Ne3 Nb6 48.a7 Na8 49.Nc4 Kd5 50.Ne5 Kd4 51.Nc6 Kc4 52.Ne7 Kb4 53.Nf5 Kc3 54.Nd6 Kd4 55.Kg2 h5 56.Kf1 Kd3 57.Kg2 Ke2 58.Nf5 Nb6 59.Ne3 Kd3 60.Nd5 Na8 61.Nf4 Kd4 62.Nh5 e3 63.fe3 Ke3 64.Kh3 Kf3 65.g4 Ke4 66.Kg3 Ke5 67.Kh4 Ke6 68.Kg5 Kf7 69.Kf4 Kg6 70.Ng3 Nc7 71.Ne4 Na8 72.g5 Kg7 73.Kf5 Nc7 74.Nd6 Na8 75.g6 Kg8 76.Kf6 Nc7 77.Nf5 Na8 78.Nh6 Kf8 79.g7 Ke8 80.g8Q Kd7 81.Qa8 1–0. zosanga (1750) – Vanbuang (1780), 1st MCA Open Tournament, 2020.

5.c4 d5 6.Nf3 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d5).

5.d3 b5 6.Bf3 Nc6 7.a4 ba4 8.b5 Rb8 9.c4 d6 10.Nc3 Ne5 11.Be2 a6 12.Ra4 ab5 13.Rb4 c6 14.cb5 cb5 15.d4 Nc6 16.Rb5 Rb5 17.Nb5 Qb6 18.Bc3 Ba6 19.Na3 Be2 20.Ne2 Ne4 21.0-0 Nc3 22.Nc3 Qb4 23.Nab5 Rb8 24.Qb1 Qc4 25.Rc1 Na7 26.Qa2 Qa2 27.Na2 Nb5 28.Rb1 Ra8 29.Nb4 e5 30.d5 Nc3 31.Rc1 0–1. ArgosZgZ (1790) – Nailspike (1790), lichess.org, 2020.

5.d3 Nc6 6.a3 d5 7.Nd2 e5 8.b5 Ne7 9.Be5 c6 10.c4 cb5 11.cd5 Qd5 12.Ngf3 Bg4 13.e4 Qd7 14.Bb2 Nh5 15.Bg7 Kg7 16.Ne5 Qd4 17.Ng4 Nf4 18.0-0 Nd3 19.Nf3 Qe4 20.Qd3 Qg4 21.Qc3 Kg8 22.Qf6 Nd5 23.Qd4 Qe6 24.Bb5 Rad8 25.Bc4 Qc6 26.Bd5 Rd5 27.Qe4 Re8 28.Qb4 a5 29.Qb2 Red8 30.h3 Rb5 31.Qe2 Qc3 32.Qe7 Rf8 33.Rfc1 Qg7 34.Ne5 Re5 35.Qb7 Rfe8 0–1. ArgosZgZ – yudov33 (1660), lichess.org, 2019.

5.d3 e6 6.Nd2 d5 7.c4 dc4 8.dc4 c6 9.Qc2 b5 10.c5 Nd5 11.a3 a5 12.Bg7 Kg7 13.e4 Ne7 14.Ngf3 ab4 15.Qb2 Kg8 16.ab4 Ra1 17.Qa1 Na6 18.Qb2 Qc7 19.0-0 Rd8 20.Rd1 Bb7 21.Ng5 h6 22.Ne6 fe6 23.Qf6 Nb4 24.Qe6 Kg7 25.Nf3 Rf8 26.Rd7 Rf7 27.Rc7 Bc8 28.Qe5 Kg8 29.Re7 Re7 30.Qe7 Bg4 31.Ne5 Na6 32.Ng4 h5 33.Nf6 Kh8 34.Qf8 1–0. ArgosZgZ – Akgob, lichess.org, 2019.

5.d3 Re8 6.Nd2 Nc6 7.a3 b6 8.Bf3 Bb7 9.Nb3 Rb8 10.b5 Ne5 11.Bb7 Rb7 12.Be5 d6 13.Bb2 Qd7 14.c4 c6 15.a4 cb5 16.ab5 d5 17.Qe2 dc4 18.dc4 Qd6 19.Ba3 Qe5 20.Rc1 a5 21.Nf3 Qb8 22.Bb2 Ra7 23.c5 a4 24.cb6 Qb6 25.Bd4 Qd6 26.Ba7 ab3 27.Bc5 Qd5 28.0-0 Ne4 29.Nd4 Rc8 30.Ba3 Rc1 31.Rc1 h5 32.Bb2 Qa8 33.Qc4 Qa2 34.Qc3 Nc3 35.Bc3 b2 36.Bb2 Qb2 37.Rc8 Kh7 38.g3 Bd4 39.ed4 Qb5 40.Rd8 e6 41.Kg2 Qb7 42.Kh3 e5 43.d5 Qc7 44.Re8 Qd7 0–1. ArgosZgZ – Andresmuela, lichess.org, 2019.

5.Bf3 c6 6.Ne2 d5 7.Ng3 Nbd7 (7...Qd6 8.a3=+) 8.0-0 e5 9.d3 Qb6 10.a3 a5 11.Qd2 ab4 12.ab4 Ra1 13.Ba1 Bh6 (13...Rd8 14.d4=+) 14.c3 (14.c4 Bg7=) 14...c5 (14...Bg7 15.Bb2=) 15.bc5 Nc5 16.Bb2 (better 16.d4 Nce4 17.Ne4 de4 18.Be2 ed4 19.cd4=) 16...d4?? (better 16...e4 17.de4 de4=) 17.cd4+- (17.ed4?? Bd2 18.Nd2 Qb2–+) 17...ed4 (17...Nb3!? 18.Qc2 ed4+-) 18.Bd4+- Bg7? (18...Nfd7 19.Qc3 Qb5 20.Ne4+-) 19.Qc2 (better 19.Qc3 Qa6 20.Qc5 Qd3 21.Rc1+-) 19...Nfd7 20.Rc1?? (better 20.Bg7 Kg7 21.Nd2+-) 20...Bd4= 21.ed4 Nb3 22.Qb2?? (better 22.Re1=) 22...Nf6?? (better 22...Nc1 23.Qc1 Qd4–+) 23.Rc3 (23.Nd2 Be6 24.Rc3 Qd4 25.Nb3 Qb4+-) 23...Be6 24.d5! Nd5 Theme: Interference (24...Bd5 25.Bd5) 25.Rb3 Qa5 26.Bd5 (26.Nd2 Nf4 27.Ra3 Qc7+-) 26...Bd5 27.Rb5 Qd8 28.Nc3 (28.Qe2!? Qd7 29.Nc3 Bc6+-) 28...Bc6 29.Rb4 Qd3 30.Nce2 (30.Nce4!? Be4 31.Re4 Rc8+-) 30...Qd5 Threatening mate: Qxg2 31.Rd4?? (31.f3 Qd3+-) 31...Qa5 (31...Qg2) 32.Nf4 Re8 33.h3 Qg5 (33...Qe1 34.Kh2+-) 34.Kh2 (34.Nd3 h6+-) 34...h5 35.f3 (35.Nf1!? Qb5 36.Qb5 Bb5+-) 35...h4 The mate threat is Qxg3 36.Nge2 Kh7 (36...Qe5 37.Rd2+-) 37.Qd2 (37.Nd3 Qf6 38.Nec1 Rd8 39.Rd8 Qd8+-) 37...Qe5 38.Rd6?? (better 38.Kh1+-) 38...g5= 39.Qd3 Kg8 40.Rh6 gf4 41.Qh7 Kf8 42.Qh8 (better 42.Ng1=) 42...Ke7?? (better 42...Qh8 43.Rh8 Kg7 44.Re8 Be8 45.Nf4 Bc6=+) 43.Qe5+- Kd7 44.Nf4 (better 44.Rd6 Kc7 45.Rc6 Kc6 46.Qe8 Kc5 47.Qe5 Kb6 48.Qf4+-) 44...Re5+= 45.Rh4 Re2?? (45...Re3 46.Kg3+=) 46.Kg3 (better 46.Ne2 Kd6 47.Rh6 Kc5 48.Nf4+-) 46...Ra2 (46...Rd2 47.Rh8+-) 47.Rh7 (47.Rh8 b5+-) 47...Ke7 48.Ng6 (48.h4 b5+-) 48...Kf6 49.Nf4 (49.Nh4 Rc2+=) 49...Ra5 (better 49...Ke7!?=) 50.Rh6+- Kg7 51.Rd6 Rg5 (51...Ba4 52.h4+-) 52.Kf2 Rf5 53.Nh5?? (better 53.Ke3+-) 53...Rh5–+ 54.g3? (54.Ke3–+) 54...Rh3 55.Ke3 (55.Rd3–+) 55...Rg3 56.Kf4 (56.Ke2 Bf3 57.Kf2 Rh3–+) 56...Rf3 57.Ke5 Rf1 58.Rd4 (58.Rd3 f6 59.Ke6 Re1 60.Kd6 f5–+) 58...Kg6 (58...f5 59.Rd2–+) 59.Kd6 (59.Rg4 Kh5 60.Rg7 f6 61.Kd4 f5–+) 59...f5 60.Ke5 f4 (better 60...Kg5 61.Rd2–+) 61.Rf4 Rf4 62.Kf4 Kf7 (62...b5!? 63.Ke3–+) 63.Ke5 Ke7 64.Kd4 Kd7 65.Kc5 Kc7 66.Kb4 b6 67.Kc4 Bd7 (67...Kd6 68.Kd4–+) 68.Kb4 b5 (68...Kc6 69.Kc4–+) 69.Kc5 Kb7 70.Kb4 Kb6 (70...Kb6 71.Kb3 Ka5–+) 0–1. aravind555 (1685) – gylever (1725), lichess.org, 2019.

5.Bf3 e5 6.d3 (6.Be5 d6 7.Bd4 Nbd7+=) 6...c6 (6...Qe7 7.a3=+) 7.Ne2 (7.Be5 Qe7 8.Bc3 d6+=) 7...d5 (better 7...Qe7 8.a3 d5=+) 8.b5?? (8.Be5!? Re8 9.Bc3+=) 8...Be6?? (better 8...e4 9.de4 de4 (9...Ne4?! 10.Bg7 Kg7 11.Qd4 Nf6 12.Nbc3=) 10.Qd8 Rd8 11.Be4 Ne4 12.Bg7 Kg7–+) 9.bc6 (9.Be5 cb5 10.0-0=) 9...bc6 (better 9...Nc6!? 10.Nd2 Qc7=+) 10.Be5+= Ng4 (10...Nbd7!? 11.Bf4 Nh5+=) 11.Bg7+- Kg7 12.0-0 (12.Nf4 Nf6+-) 12...Qc7 Threatening mate... how? 13.Ng3 Nf6 14.e4 de4 (14...Re8 15.c3+-) 15.Ne4 Ne4 16.Be4 Bd5 (16...Nd7 17.Re1+-) 17.Qf3 (17.Nc3 Be4 18.Ne4 Re8+-) 17...Nd7 (17...Rd8 18.Nd2+-) 18.Bd5 cd5 19.Qd5 Rad8 (better 19...Nf6 20.Qb3 Rfe8+-) 20.c4?? (20.Qd4 Nf6 21.Qa4 Rd5+-) 20...Kg8 (20...Ne5!? 21.Qe4 Rd3=) 21.Rd1 (21.d4 Nb6 22.Qc5 Qf4+-) 21...Ne5 (21...Nc5 22.Qf3 Qe5 23.Na3 Rd3 24.Rd3 Qa1 25.Rd1 Qa2 26.h3=) 22.Qe4+- Rfe8 (better 22...Nd3 23.Nc3 f5+-) 23.d4 (better 23.Nc3!? Nd3 24.Qh4+- (worse 24.Rd3 Re4 25.Rd8 Qd8 26.Ne4 Qd4–+)) 23...Nc4 (23...Nc6 24.Qd3 Nd4-/+) 24.Qd3?? (better 24.Qc2 Rd4 25.Nc3=) 24...Nb2–+ 25.Qc3 (25.Qf1 Nd1 26.Na3–+) 25...Nd1 26.Qc7 Re1 0–1. aravind555 (1670) – vladimir__vasiljevic (1695), lichess.org, 2020.

5.f4 d5 6.Nf3=.

5.f4 e6 6.Nf3 d5 (--> 4.f4 0-0 5.Nf3 d5 6.Be2 e6).

5.g4 e6 6.g5 Nd5 7.Bg7 Kg7 8.h4 Nb4 9.c4 d5 10.Qb3 a5 11.a3 N4c6 12.cd5 Qd5 13.Qd5 ed5 14.h5 Ne7 15.h6 Kg8 16.Nc3 c6 17.Nf3 Nd7 18.a4 Nf5 19.e4 de4 20.Ne5 Ne5 21.Ne4 Re8 22.Nf6 Kf8 23.Nh7 Kg8 24.Nf6 Kh8 25.Ne8 Be6 26.Nf6 Nd4 27.Rc1 Ne2 28.Ke2 Ra6 29.d4 Nd7 30.Ne8 Rb6 31.Nc7 Bg4 32.Kf1 Rb2 33.Re1 Bf5 34.Ne8 Rd2 0–1. ArgosZgZ – luistito10, lichess.org, 2019.

5.h4 Nd5 6.Bg7 Kg7 7.a3 d6 8.h5 g5 9.c4 Nf6 10.Nc3 h6 11.d4 c5 12.d5 Bf5 13.g4 Be4 14.f3 Bh7 15.f4 Ne4 16.fg5 Nc3 17.gh6 Kh6 18.Qd2 Ne2 19.e4 Kg7 20.Qg5 Kh8 21.Ne2 Rg8 22.Qh6 Rg4 23.Nf4 Nd7 24.Ng6 Kg8 25.Nh4 Re4 26.Kd2 Rd4 27.Kc3 Qf8 28.Rhg1 Kh8 29.Qf8 Rf8 30.Raf1 Rh4 0–1. ArgosZgZ (1620) – pacopm, lichess.org, 2020.

5.h4 h5 6.Nh3 d6 7.Ng5 Bg4 8.f3 Bd7 9.g4 hg4 10.fg4 Qc8 11.Rg1 Nc6 12.a3 Ne5 13.h5 Bg4 14.hg6 Be2 15.Qe2 Neg4 16.Nc3 fg6 17.0-0-0 Qf5 18.Nf3 c6 19.Rdf1 Qd7 20.Nh4 g5 21.Nf5 Ne4 22.Ng7 Rf1 23.Qf1 Nef2 24.Ne2 Rf8 25.Qg2 e5 26.Nh5 Rf7 27.Nhg3 Qe6 28.Kb1 b5 29.Ne4 Qg6 30.Nf2 Nf2 31.Rf1 Qf5 32.Ng3 Qf3 33.Qf3 Rf3 34.Ne4 d5 35.Nf2 g4 36.Kc1 g3 37.Rg1 Rf2 38.Kd1 g2 39.Ke1 Rf1 40.Rf1 gf1Q 41.Kf1 a6 42.Be5 Kf7 43.d4 Ke6 44.Ke2 Kf5 45.c3 Ke6 46.Kf3 Kf5 47.Kg3 Kg5 48.Kf3 Kf5 49.Bf4 Ke6 50.Kg3 Kf5 51.Kh4 Ke4 52.Kg5 Kd3 53.Kf6 Kc3 54.Ke6 Kb3 55.Kd6 Ka3 56.Kc6 Kb4 57.Kd5 Kc3 58.e4 b4 59.e5 b3 60.e6 b2 61.e7 b1Q 62.e8Q Qb5 63.Ke4 Qe8 64.Kf3 Qd7 65.Kf2 1–0. ArgosZgZ – jobu, lichess.org, 2018.

5.a3 d5

5.a3 d6

6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.a3).

5.d3 b6

6.Bf3 Nc6 7.b5 Na5 8.Ba8 c6 9.Nf3 Qc7 10.Nbd2 Qb8 11.bc6 Qa8 12.cd7 Bd7 13.0-0 Bc6 14.e4 Nh5 15.Bg7 Kg7 16.Nd4 Bd7 17.f4 Qb8 18.Ne2 f5 19.e5 e6 20.c4 Qc7 21.d4 Nc4 22.Nc4 Qc4 23.Rc1 Qd5 24.Rc7 Kg8 25.Qb3 Bc6 26.Qd5 Bd5 27.Nc3 Rd8 28.Nb5 Ba2 29.Ra7 Bc4 30.Nd6 Bf1 31.Kf1 Nf4 32.Re7 Rb8 33.g3 Nd5 34.Re6 b5 35.Ke2 b4 36.Nc4 b3 37.Nb2 Nc3 38.Kd3 Ne4 39.Rc6 Kf7 40.d5 Rb5 41.d6 Ke8 42.e6 Rd5 43.Kc4 Rd6 44.Rd6 Nd6 45.Kd5 Ke7 46.Ke5 Ne4 47.Nc4 Nc5 48.Kd5 Ne6 49.Nb2 f4 50.Ke4 fg3 51.hg3 Nc5 52.Kd4 Kd6 53.Kc4 Ne4 54.g4 Nf2 55.g5 Ne4 56.Kb3 Ng5 57.Nd3 h5 58.Nf4 h4 59.Ng6 h3 60.Nh4 h2 61.Nf5 Ke5 0–1. ArgosZgZ – alexmd2 (1615), lichess.org, 2018.

6.Bf3 d5 7.Nd2 Bb7 8.c4 e6 9.Qc2 Na6 10.a3 Rb8 11.b5 Nc5 12.d4 Nce4 13.Ne4 de4 14.Be2 Qe7 15.Nh3 a6 16.a4 ab5 17.ab5 c6 18.0-0 cb5 19.cb5 Rbc8 20.Qd2 Nd5 21.Ba3 Qf6 22.Bf8 Bf8 23.Rac1 Rd8 24.Bc4 Nb4 25.Nf4 e5 26.de5 Qf4 27.Qd8 Qe5 28.Qd7 Ba8 29.Qf7 1–0. ArgosZgZ – Triv, lichess.org, 2018.

5.d3 c6

6.c4 a5 7.a3 ab4 8.ab4 Na6 9.Bc3 b5 10.cb5 cb5 11.d4 Rb8 12.Nd2 Bb7 13.Ngf3 Nd5 14.Qb3 Nc3 15.Qc3 Rc8 16.Qb3 Nc7 17.e4 Ne6 18.Qd3 Nf4 19.Qe3 Ng2 0–1. ArgosZgZ – futuna, lichess.org, 2018.

6.Nd2 d6 7.c4 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.Bc3 Qb6 12.Qb1 c5 13.b5 Nc7 14.Ngf3 Bd7 15.0-0 Ra8 16.d4 d5 17.dc5 Qc5 18.Bb4 Qb6 19.c5 Qe6 20.Nd4 Qf5 21.Nf5 1–0. ArgosZgZ (1620) – BernzZ (1620), lichess.org, 2018.

5.d3 d5

6.Nd2 c6 7.c3 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Nbd7 11.g4 b5 12.g5 Ne8 13.h4 e5 14.h5 Qg5 15.Nh3 Qg2 16.Bf3 Qh1 17.Bh1 f5 18.hg6 hg6 19.Ng5 e4 20.Ne6 Rf7 21.Ng7 Rg7 22.c4 Rh7 23.Bg2 Nb6 24.c5 Na4 25.Qb3 Be6 26.de4 Nc7 27.ef5 Bf5 28.e4 Be6 29.e5 Rh2 30.Qf3 Kg7 31.Nf1 Rg2 32.Qf6 Kh6 33.Qh4 Kg7 34.Qe7 Bf7 35.Qc7 Rg1 36.e6 Kh6 37.Qf7 Rf1 38.Kf1 1–0. ArgosZgZ (1650) – lemmon6266 (1660), lichess.org, 2020.

6.Nd2 Nc6 7.b5 Na5 8.c4 dc4 9.dc4 b6 10.Bf3 Rb8 11.Qc2 Bf5 12.e4 Be6 13.Ne2 Nc4 14.Nc4 Bc4 15.Qc4 Qd6 16.e5 Qe6 17.Qe6 fe6 18.ef6 ef6 19.0-0 e5 20.Rac1 f5 21.Ng3 e4 22.Bg7 Kg7 23.Be2 f4 24.Ne4 Rbe8 25.Bf3 g5 26.Ng5 Kh6 27.Ne4 Rg8 28.Rc7 Re5 29.Rc6 Kg7 30.a4 Kh8 31.Rfc1 Re7 32.Rc8 Reg7 33.Rg8 Rg8 34.Nd6 h5 35.Rc8 h4 36.Rg8 Kg8 37.h3 Kg7 38.Nc8 Kf6 39.Na7 Ke7 40.Nc8 Kd8 41.Nb6 Kc7 42.Nd5 Kb8 43.Nf4 Ka7 44.a5 Kb8 45.Ng6 Ka7 46.Nh4 Kb8 47.Bd5 Ka7 48.g4 Kb8 49.g5 Ka7 50.g6 Kb8 51.g7 Kc7 52.g8Q Kd6 53.Qe6 Kc7 54.Qc6 Kb8 55.Qe8 Ka7 56.b6 Ka6 57.Bc4 Kb7 58.Qd7 Kb8 59.Qc7 Ka8 60.Qa7 1–0. ArgosZgZ – ostad_tohid, lichess.org, 2018.

6.Nd2 Nc6 7.b5 Nb8 8.c4 dc4 9.dc4 c6 10.Ngf3 cb5 11.cb5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Bg4 15.0-0 Nbd7 16.Bc4 Bf3 17.Nf3 Qc7 18.Bb3 Qb6 19.Bc4 Rc8 20.Rc1 Nh5 21.Bf7 Kf7 22.Rc8 Bb2 23.Qb2 Qd6 24.Ng5 1–0. ArgosZgZ – bryannick, lichess.org, 2019.

6.Nd2 Re8 7.c4 e5 8.Qc2 d4 9.e4 Nbd7 10.h4 Nh5 11.Bh5 gh5 12.Ne2 Qf6 13.Ng3 Qg6 14.Nf3 h6 15.0-0-0 a5 16.a3 ab4 17.ab4 c5 18.b5 Qg4 19.Nf5 Qf4 20.Kb1 Bf6 21.Bc1 Qc1 22.Qc1 Nb6 23.Qh6 Bf5 24.Qf6 Bg4 25.Ng5 Be6 26.Qe5 Na4 27.Kc2 Nc3 28.Ra1 Ra2 29.Ra2 Na2 30.Ra1 Nb4 31.Kd2 Kf8 32.Qc5 1–0. ArgosZgZ – kit131, lichess.org, 2018.

5.d3 d6

6.c4 c5 7.b5 Nbd7 8.Bf3 Rb8 9.a4 Ne5 10.Be5 de5 11.Qc2 Bf5 12.Nd2 e4 13.de4 Ne4 14.Be4 Be4 15.Ne4 Ba1 16.Nf3 Qa5 17.Nfd2 Bg7 18.Nc5 Rbc8 19.Nce4 Rfd8 20.0-0 Qb4 21.Rb1 Qa5 22.c5 b6 23.c6 f5 24.Nc4 fe4 25.Na5 ba5 26.Qe4 Kf8 27.g3 Rd2 28.Qe6 Rcd8 29.c7 Re8 30.c8Q 1–0. ArgosZgZ (1695) – camvik1 (1665), lichess.org, 2018.

6.Nd2 c6 7.c4 e5 8.Bf3 Re8 9.e4 Be6 10.h4 Qd7 11.h5 Bg4 12.hg6 fg6 13.Nh3 Bf3 14.Qf3 Rf8 15.Qe2 Qg4 16.f3 Qh4 17.Nf2 Qg3 18.Nf1 Qg2 19.0-0-0 Nh5 20.Rh5 gh5 21.Nd2 Qg5 22.Kb1 Nd7 23.Bc1 Qf4 24.Nh3 Qg3 25.Qf1 Bh6 26.f4 Bf4 27.Nf4 Rf4 28.Qh1 Rh4 29.Rg1 Rh1 30.Rg3 Kf7 31.Nf3 Rg8 0–1. ArgosZgZ (1720) – Petr63 (1790), lichess.org, 2018.

6.Nd2 Nc6 7.a3 Bd7 8.Bf3 a6 9.c4 Nh5 10.d4 Nf6 11.Bc3 a5 12.b5 Na7 13.Bb7 Rb8 14.Bf3 a4 15.Qa4 c6 16.bc6 Nc6 17.Bc6 Bc6 18.Qc6 d5 19.c5 Ne4 20.Ne4 de4 21.Ne2 f5 22.0-0 Rf6 23.Qa4 Ra8 24.Qc4 Kh8 25.d5 Rfa6 26.Bg7 Kg7 27.Nf4 Ra4 28.Qc2 Kf7 29.d6 ed6 30.Rfd1 Ra3 31.Ra3 Ra3 32.cd6 Qd7 33.Qc4 Kf6 34.Qd4 Kg5 35.h4 Kh4 36.Qf6 Kg4 37.Qe7 Ra7 38.Qd7 Rd7 39.Kf1 Kg5 40.f3 ef3 41.gf3 Kf6 42.Rd4 g5 43.Nh5 Kg6 44.Ng3 h5 45.Kf2 h4 46.Nf1 h3 47.Kg3 g4 48.fg4 fg4 49.Kg4 h2 50.Nh2 Kf6 51.Nf3 Ke6 52.Ng5 1–0. ArgosZgZ – hmsrgs, lichess.org, 2018.

6.Nd2 Nc6 7.b5 Nb8 8.c4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Nbd7 12.d4 e5 13.g4 ed4 14.g5 Ne8 15.Ne4 Nc5 16.Nc5 dc5 17.h4 Nd6 18.Bd3 Bf5 19.Bf5 Nf5 20.e4 Nd6 21.Nh3 Ne4 22.f4 Re8 23.Kf1 Qd7 24.Kg2 Qg4 25.Kf1 Ng3 26.Kg2 Re2 27.Nf2 Rf2 28.Kf2 Nh1 29.Qh1 Qf4 30.Kg2 Qe4 31.Kg1 Qh1 32.Kh1 d3 33.Bg7 d2 0–1. ArgosZgZ (1715) – cepn (1615), lichess.org, 2018.

6.Nd2 Nc6 7.b5 Ne5 8.c4 c6 9.d4 Ned7 10.a4 cb5 11.cb5 Nb6 12.Bf3 Nbd7 13.Ne2 e5 14.0-0 e4 15.Ne4 Ne4 16.Be4 Nf6 17.Bf3 d5 18.Nf4 Rb8 19.Ba3 Re8 20.Rc1 Bf5 21.Qb3 Be4 22.Be2 b6 23.Bb4 Rc8 24.f3 Rc1 25.Rc1 Bf5 26.g4 Be6 27.g5 Nh5 28.Nh5 gh5 29.h4 h6 30.Kf2 hg5 31.hg5 Qg5 32.Rg1 Qh4 33.Kf1 Bh3 34.Rg2 Bg2 35.Kg2 Bd4 36.Qd5 Re3 37.Bf1 Re5 38.Qd4 0–1. ArgosZgZ (1690) – fairooz_fz (1685), lichess.org, 2018.

6.Nd2 Nbd7 7.c4 e5 8.e4 c6 9.a4 a5 10.b5 d5 11.Ba3 Re8 12.c5 de4 13.de4 Qc7 14.b6 Qd8 15.Qc2 Qe7 16.Nb3 Nh5 17.g3 Nf8 18.Bh5 gh5 19.0-0-0 Bg4 20.f3 Be6 21.Ne2 Red8 22.h3 Bh6 23.f4 ef4 24.gf4 Ng6 25.Rhg1 Kh8 26.Bb2 Bg7 27.Bg7 Kg7 28.f5 Bb3 29.Qb3 Qe4 30.Qb2 Kf8 31.fg6 hg6 32.Nc3 Qe3 33.Kb1 Qh3 34.Ne4 Qf5 35.Rd8 Rd8 36.Qh8 Ke7 37.Qd8 Kd8 38.Re1 h4 39.Ka2 h3 40.Rd1 Kc8 41.Nd6 Kb8 42.Nf5 gf5 43.Rh1 f4 44.Rh3 f3 45.Rf3 f5 46.Rf5 Kc8 47.Rf7 Kd8 48.Rb7 Ke8 49.Rc7 Kf8 50.Rc6 Kg8 51.Rd6 Kg7 52.b7 Kf7 53.b8Q Ke7 54.Qb7 Kf8 55.Rd8 1–0. ArgosZgZ – donbibe, lichess.org, 2018.

6.Nd2 e5 7.a3 Re8 8.c3 Nc6 9.a4 a6 10.g4 d5 11.g5 Nd7 12.Qb3 Ne7 13.h4 f6 14.h5 fg5 15.hg6 hg6 16.Ngf3 e4 17.Ng5 c6 18.Nge4 Kf8 19.Ng5 Nf5 20.Ndf3 Ne5 21.c4 Nf3 22.Nf3 Be6 23.Bg7 Ng7 24.Rh8 Kf7 25.Ne5 Kf6 26.Re8 Qe8 27.d4 dc4 28.Bc4 Qh8 29.Be6 Ne6 30.0-0-0 Rd8 31.Rg1 g5 32.Qd3 Rg8 33.Ng4 Ke7 34.Qf5 Rf8 35.Qc5 Kd7 36.Ne5 Kc7 37.Qa5 Kb8 38.Nd7 Ka7 39.Qb6 Ka8 40.Nf8 Qf8 41.Rh1 Nd8 42.Rh7 Kb8 43.Rd7 Qe8 44.Qc7 Ka7 45.Rd8 Qe6 46.a5 Qc4 47.Kd1 Qb3 48.Ke2 Qb2 49.Kf3 Qc1 50.Qb6 1–0. ArgosZgZ – Kirillys1, lichess.org, 2019.

6.Nd2 e5 7.c3 a6 8.a4 Nc6 9.Ngf3 Re8 10.Qc2 a5 11.b5 Ne7 12.c4 d5 13.c5 c6 14.Be5 cb5 15.ab5 Nf5 16.Bd6 Nd6 17.cd6 Qd6 18.Rc1 Be6 19.Nd4 Rec8 20.Qb1 Rc1 21.Qc1 Rc8 22.Qb1 Bg4 23.f3 Bd7 24.0-0 Qe7 25.e4 de4 26.fe4 Ne4 27.Ne4 Bd4 28.Kh1 Bf5 29.Bf3 Be4 30.de4 Qe5 31.Qd3 b6 32.Rd1 Bc5 33.Qd7 Rc7 34.Qe8 Bf8 35.Qd8 Qc5 36.h3 Rc8 37.Qd7 a4 38.Rd5 Qc3 39.Bg4 Rc5 40.e5 Rd5 41.Qd5 Bh6 42.Qd8 Kg7 43.Qf6 Kg8 44.Qd8 Kg7 45.Qf6 Kf8 46.Qd8 Kg7 ½–½. ArgosZgZ – SadTaco, lichess.org, 2018.

6.Nd2 e5 7.c4 a6 8.h4 h5 9.Nh3 c6 10.f4 Bh3 11.Rh3 ef4 12.e4 Qd7 13.Bf6 Bf6 14.Rc1 a5 15.a3 ab4 16.ab4 Na6 17.Qb3 c5 18.b5 Nb4 19.Nf3 Ra2 20.Bf1 Rfa8 21.Ng5 R8a3 22.Qd1 Rb2 23.Nf3 Rbb3 24.e5 de5 25.Ng5 Nd3 26.Bd3 Rd3 27.Rd3 Rd3 28.Qc2 e4 29.Ne4 Re3 30.Kf1 Bd4 31.Ng5 Qg4 32.Re1 f3 33.Re3 Be3 34.Qe4 Qg2 0–1. ArgosZgZ – murat5989, lichess.org, 2019.

6.Nd2 e5 7.Bf3 Nbd7 8.c4 Rb8 9.Ne2 b6 10.Ng3 Re8 11.e4 c5 12.b5 a6 13.a4 a5 14.h4 h5 15.Bh5 Nh5 16.Nh5 gh5 17.Qh5 Nf6 18.Qe2 Bg4 19.f3 Bh5 20.g4 Ng4 21.fg4 Bg6 22.Nf3 Rf8 23.Bc1 f6 24.Be3 Kf7 25.h5 Bh7 26.g5 fg5 27.Ng5 Kg8 28.Ne6 Qe7 29.Nf8 Rf8 30.0-0-0 Kf7 31.Rdf1 Ke8 32.Rf8 Qf8 33.Qg4 Bh6 34.Qc8 Ke7 35.Qc7 Kf6 36.Rf1 Bf4 37.Qd6 Qd6 0–1. ArgosZgZ – fecpehuajo, lichess.org, 2018.

6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.d3).

5.Nf3

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

5.Nf3 d5 6.0-0 b6 7.c4 Bb7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d5).

5.Nf3 d5 6.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.d3 0-0 6.Be2).

5.h4 d6

6.c4 h5 7.d3 e5 8.Nd2 Re8 9.Ne4 (9.Ngf3 Bg4=) 9...Nbd7 10.Nf3 Qe7 11.Qd2 c6 (11...Ne4 12.de4 a5 13.a3+=) 12.a4 (12.0-0 Rd8=) 12...d5 (12...Ne4 13.de4 a5 14.Bc3+=) 13.cd5 cd5 14.Neg5 e4 15.Nd4 Ne5 16.b5 Bg4 17.Ba3 Qd8 18.f3 ed3 19.Bd3 Bd7 20.0-0 Rc8 21.Rac1 Nc4 22.Bc4 dc4 23.Rfd1 Qc7 24.e4 c3 (24...a6 25.Bb4=) 25.Qe2 (25.Qc2!? Nh7 26.Bb4=) 25...Qc4+= 26.Qc4 (26.e5 Nd5 27.Qc4 Rc4 28.e6 fe6 29.Nde6 Be6 30.Ne6 Re6 31.Rd5 Ra4 32.Bc5–+) 26...Rc4-/+ 27.Ne2 c2 28.Rd2 Ra4 29.Bd6 Rc4 30.Rdc2 Rc2 31.Rc2 Bb5 32.Nd4 Bd3 33.Rc3 Ne4 34.Rd3 Nd6 35.Nb3 Bf8 36.Nc5 Rc8 37.Nd7 Be7 38.Ne5 Rc7 39.g4 Rc5 40.Nd7 Rc7 41.Ne5 hg4 42.fg4 f6 43.Ng6 fg5 44.Ne7 Re7 45.Rd6 gh4 46.Kg2 Kg7 47.Kh3 b5 48.Kh4 b4 49.Kg5 b3 50.Rg6 Kf7 51.Rf6 Ke8 52.Rh6 Rb7 53.Rh8 Kd7 54.Rh1 b2 55.Rb1 a5 56.Kf6 a4 57.g5 a3 58.g6 0–1. Bach,Matthias (2315) – Rodriguez Lopez,Ra (2265), FSGM April, 2012.

6.d4 h6=.

6.Bf3 c5 7.a3 (7.bc5 dc5 8.Nc3 h5=) 7...Nc6 8.b5 (8.bc5 dc5 9.g4 e5+=) 8...Na5 (8...Ne5 9.Be2+=) 9.a4 (9.d3 a6+=) 9...Nc4 10.Bc3 Rb8 (10...Ne5 11.h5+=) 11.d3 Nb6 (11...Ne5 12.Be5 de5 13.Nd2+=) 12.Ba5 (12.h5 e5=) 12...Bd7 (12...d5 13.c3+=) 13.c4 (13.Nc3 d5=) 13...e5 (13...d5 14.d4 Rc8 15.cd5 cd4 16.ed4=) 14.e4 (14.h5 g5=) 14...Qe7 (14...Be6 15.h5=) 15.Bd2 (15.h5 g5=) 15...Ne8 (15...d5!? 16.cd5 Nfd5+=) 16.a5+= Nc8 (16...Na8 17.h5+=) 17.Nc3 (17.h5 Nc7+=) 17...f5 (17...Nc7 18.h5+=) 18.Nd5+/– Qd8 19.Bg5 Nf6 20.Bf6 (20.ef5 Bf5 21.h5 Qe8 22.Bf6 Bf6+=) 20...Bf6 21.g3 (21.h5 g5+=) 21...Bg7 (21...Ne7 22.ef5 Nf5 23.h5=) 22.g4 (22.a6 f4=) 22...Ne7 23.g5? (better is 23.ef5 gf5 24.gf5 Nf5 25.Be4=) 23...Nd5–+ 24.ed5 (24.cd5!? Bb5 25.Nh3-/+) 24...e4 25.de4 (25.Bg2 Bc3 26.Ke2 Ba1 27.Qa1 Qe7–+) 25...Ba1 (25...fe4!? 26.Bg2 Bc3 27.Kf1 Ba1 28.Qa1–+) 26.Qa1 fe4 27.Be2 Qe7 (27...Rf4 28.a6–+) 28.Qc3 (28.Qc1 Rf5–+) 28...Qg7 (28...a6 29.b6–+) 29.Qc1 (29.Qg7 Kg7 30.h5 Rbe8 31.hg6 hg6–+) 29...Qf7 (better is 29...Rf7 30.h5 Rbf8–+) 30.f3? (better is 30.Rh2–+) 30...ef3 31.Nf3 (31.Bf3 Rbe8 32.Kf2–+) 31...Qf4 (31...Rbe8!? 32.Rf1 Bg4 33.Kd1–+) 32.Qc3? (better is 32.Qf4 Rf4 33.Rf1–+) 32...Bg4 33.Rf1 (33.Kf2 Rbe8 34.Bd1 Re4–+) 33...Bf3 (33...Bf3 34.Rf3 Qh4 35.Kd1 Qg5–+) 0–1. Georgiev,Pantaley – Ivanova,Hristina, 1st ChessBomb Open Sofia, 2015. (=1.e3 Nf6 2.Be2 g6 3.b4 Bg7 4.Bb2 0-0)

6.Bf3 e5 7.Nc3+=.

6.h5 e5 7.hg6 fg6 8.d3 c6 9.Nd2 b5 10.Ngf3 Ng4 11.Ne4 Be6 12.Neg5 Qf6 13.Nh7 Qf5 14.Nf8 Kf8 15.e4 Qf4 16.Bc1 Qf7 17.Ng5 Qf2 18.Kd2 Qe3 19.Kc3 Qd4 20.Kd2 Qe3 21.Kc3 Qd4 22.Kd2 Ne3 23.Qg1 Nc4 24.Kd1 Qg1 25.Rg1 Bf7 26.Nf7 Kf7 27.dc4 bc4 28.Bc4 Ke7 29.Bg5 Bf6 30.Bf6 Kf6 31.Kd2 Nd7 32.Raf1 Ke7 33.Rf7 Kd8 34.Rgf1 Kc7 35.Rg7 Rd8 36.Rff7 a5 37.ba5 c5 38.Bb5 Kb8 39.Bd7 Rd7 40.Rd7 Ka8 41.Rd8 1–0. ArgosZgZ – zajim66, lichess.org, 2018.

6.h5 Nh5 7.Bg7 Kg7 8.Rh5 gh5 9.Bh5 Kh8 10.Nc3 Nd7 11.Ne4 d5 12.Ng5 Qe8 13.Qg4 Ne5 14.Qd4 f6 15.f4 Qh5 16.fe5 Qg5 17.0-0-0 Qg2 18.ef6 Rf6 19.Qd5 0–1. ArgosZgZ – pottichess, lichess.org, 2019.

4.Be2 b6

5.a3 Bb7 6.f4?? Bg2–+ 7.Nf3 Bh1 8.Kf2 Bf3 9.Bf3 c6 10.b5 d5 11.c4 cb5 12.cd5 Na6 13.Nc3 Nc5 14.Qe2 e6 15.de6 Nd3 16.Kg2 Nb2 17.ef7 Kf7 18.Nb5 Rc8 19.Na7 Rc2 20.Qb5 Qd2 (20...Qd2 21.Qe2 Qd3–+) 0–1. elsh1403 – asimhajvalia (1630), kurnik, 2012.

5.Bf3 Bb7 6.Bb7 Nc6 7.Ba8 Qa8 8.Qf3 0-0 9.b5 Nb4 10.Qa8 Ra8 11.Na3 Ne4 12.Bg7 Kg7 13.c3 Nd3 14.Ke2 Ndf2 15.Nf3 c5 16.Rhf1 Ng4 17.h3 Ngf6 18.Nc4 Ng3 19.Kd3 Nf1 20.Rf1 d5 21.Nce5 Ne4 22.Nf7 Kf7 23.Ne5 Ke6 24.Nc6 Kd6 25.Rf7 c4 26.Kc2 Kc5 27.a4 a6 28.Re7 ab5 29.ab5 Kb5 30.Nd4 Kc5 31.Nf3 Ra2 32.Kd1 b5 33.Rh7 b4 34.cb4 Kb4 35.Rg7 Kb3 36.Nd4 Kb2 37.Rg6 c3 38.d3 Ra1 39.Ke2 Nd2 40.Rb6 Kc1 41.Ke1 Ra8 42.Rc6 Kb2 43.Rb6 Kc1 44.Nf3 Nf3 45.gf3 Kc2 46.e4 Kd3 47.e5 Ra1 48.Kf2 c2 49.Rc6 c1Q 50.Rc1 Rc1 51.e6 Rc8 52.f4 Ke4 0–1. ArgosZgZ (1700) – jetxkotaserang (1695), lichess.org, 2020.

5.Bf3 c6 6.Ne2 Bb7 7.Ng3 0-0 8.d3 d5 9.0-0 Nbd7 10.Nd2 e5 11.e4 de4 12.de4 c5 13.b5 Qe8 14.a4 Qe6 15.Qe2 a6 16.c4 ab5 17.ab5 Ra1 18.Ra1 Ra8 19.Qd3 Ra1 20.Ba1 Ng4 21.h3 Ngf6 22.Ngf1 Nh5 23.Ne3 Nf4 24.Qc2 Nf6 25.Nd5 N6d5 26.cd5 Qd6 27.Nc4 Qd8 28.Be5 Be5 29.Ne5 Qd6 30.Nc6 h5 31.Qc3 Bc8 32.h4 Qf8 33.e5 Qg7 34.g3 Nd5 35.Bd5 Kh7 36.Ne7 Bd7 37.Bc4 g5 38.Bd3 Kh8 39.Nf5 Bf5 40.Bf5 gh4 41.Qf3 hg3 42.fg3 Kg8 43.Qa8 Qf8 44.Qc6 h4 45.g4 h3 46.Qb6 h2 0–1. ArgosZgZ – beetlegp, lichess.org, 2018.

5.g4 h6 6.Nh3 Bb7 7.Rg1 g5 8.b5 d6 9.Bf3 Bf3 10.Qf3 Nbd7 11.Qc6 a5 12.f4 1–0. riditko – elgraninca, kurnik, 2012.

4.Be2 d5

5.b5 0-0 6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.0-0 Qa5 11.Bc3 Qb6 12.bc6 bc6 13.Bd4 c5 14.Bf6 Bf6 15.c4 d4 16.ed4 cd4 17.d3 Bg4 18.Nbd2 Be6 19.Ne4 Bg7 20.c5 Qb4 21.Qb1 Qb1 22.Rb1 Nc6 23.Neg5 Bf5 24.Nh4 Bd7 25.Rb7 Rd8 26.Ne4 f5 27.Nd2 Ne5 28.Nhf3 Nf3 29.Bf3 Ba4? 30.c6+- Bc2?? 31.Re7 Bf6 32.Rd7?? Rc8?? 33.c7 Bd3?? 34.h3 h5?? 35.Bd5+- Kf8 36.Nf3 Ke8 37.Rh7 Bb5 38.g4?? hg4= 39.hg4 fg4 40.Nh4 d3 41.Ng6 d2 42.Bb3 Bc4?? 43.Bd1 Bc3?? 44.Bg4 Bd3?? 45.Kg2 Bg6–+ 46.Rh1 Kf7 47.Bc8+- Bh5 48.Ba6 d1Q 49.Rd1 Bd1 50.c8Q Bf6 51.Qd7 Kg6 52.Qd1 Kf7 53.Bc4 Kg7 54.Qd7 Kg6 55.Bf7 Kg5 56.Qd5 Kh6 57.Qh5 Kg7 58.Qg6 Kf8+- 59.Qg8 (59.Qg8 Ke7 60.Qe8 Kd6 61.Qe6 Kc5 62.Qf6 Kb5 63.Qe5 Kb6 64.Qd6 Kb7 65.Be6 Ka8 66.Bd5 Ka7 67.Qc7 Ka6 68.Bc4#) 1–0. blaugrana18 – pawelpit, kurnik, 2012.

5.b5 0-0 6.Nf3 c5 7.a4 b6 8.0-0 a5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 e6 12.Rc1 Rc8 13.e4 d4 14.e5 Ng4 15.Ne4 Nde5 16.Ne5 Ne5 17.Bf3 f5 18.Ng5 Qg5 19.Bb7=+ Rc7 20.Bf3 Nf3 21.Qf3 e5 22.Rce1 Qe7 23.Bc1 Re8 24.Qg3 e4 25.de4 fe4 26.Bg5? Qd7 27.Bf4 Rb7 28.f3 e3 29.Rd1 e2 30.Rde1 ef1Q 31.Rf1 Re2 32.Bc1 Qe6 33.Qg5 Re7 34.Qd5 Qd5 35.cd5 Rd7 36.d6 Rd6 37.Bf4 Rd5 38.Bc7 Re6 39.g3 c4 40.f4 c3 41.f5 gf5 42.Rc1 d3 43.Rc3 Bc3 44.Bf4 Re2 45.Kf1 Rc5 46.h4 Bd2 47.Bd6 Rc1# 0–1. blaugrana18 – taksim (1730), kurnik, 2012.

4.Be2 d6

5.a4 e5 6.h3 Nbd7 7.c4 c6 8.Nc3 0-0 9.g4 a5 10.b5 Nc5 11.g5 Nfe4 12.Ne4 Ne4 13.h4 Nc5 14.d3 Be6 15.e4 f5 16.Qc2 Rc8 17.Ba3 Qb6 18.Rh2 fe4 19.de4 Rf4 20.Bc5 Qc5 21.h5 cb5 22.hg6 hg6 23.ab5 Bc4 24.Bc4 Qc4 25.Qc4 Rc4 26.f3 b6 27.Rd2 Bf8 28.Ke2 Rh4 29.Kf1 Rh5 30.Rg2 Be7 31.Rd1 Kf7 32.Rdd2 Rc1 33.Ke2 Rg5 34.Kf2 Ke6 35.Ne2 Rg2 36.Kg2 Rc5 37.Rb2 Bh4 38.f4 Be1 39.Kf3 Bb4 40.Kg4 Rc4 41.Kf3 Bc5 42.Rb1 Rb4 43.Rh1 Rb5 44.Rh6 Rb3 45.Kg4 ef4 46.Rg6 Ke5 47.Nf4 Ke4 48.Re6 Kd4 49.Re8 a4 50.Ne2 Kd5 51.Ra8 b5 52.Kf4 Kc6 (53.Rc8 Kb7–+) 0–1. Gagarkin,Nikolay – Sultanov,Alexander V (2310), Aratovsky mem, 1999.

5.d3 Nc6 6.a3 Bg4 7.Bg4 Ne5 8.Be2 0-0 9.d4 Nc6 10.Nd2 e5 11.b5 Ne7 12.Bf3 Nd7 13.c3 ed4 14.cd4 Rb8 15.Ne2 c6 16.a4 c5 17.Rc1 cd4 18.ed4 Qa5 19.0-0 d5 20.Bc3 Qd8 21.Bb4 Re8 22.Nb3 Nb6 23.a5 Nc4 24.Re1 Nf5 25.Nf4 Nh4 26.Re8 Qe8 27.Bd5 Nb2 28.Qc2 Na4 29.Bd6 Rc8 30.Qc8 Qc8 31.Rc8 Bf8 32.Bf8 Nb2 33.Bh6 1–0. ArgosZgZ (1760) – GasyMilalao (1750), lichess.org, 2020.

5.d3 Bd7 6.c4 0-0 7.Nc3 c6 8.Qc2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Qb3 Qc7 13.Nf3 Ra8 14.0-0 Rb8 15.b5 Nc5 16.Qb4 h6 17.d4 Ne6 18.b6 Qc8 19.d5 cd5 20.cd5 Nc5 21.Bb5 Ra8 22.Nd4 Nfe4 23.Ne4 Ne4 24.Bd7 Qd7 25.Bb2 Nc5 26.Ra1 Ra1 27.Ba1 Qa4 28.Qa3 Qd1 0–1. ArgosZgZ – sultan00, lichess.org, 2018.

5.d3 e5 6.Nd2 0-0 7.c4 Bd7 8.a4 a6 9.b5 ab5 10.ab5 Ra1 11.Qa1 c6 12.Qa7 Qc8 13.Bf3 d5 14.Be5 Bg4 15.Ne2 Bf3 16.Nf3 Nfd7 17.Bg7 Kg7 18.Qd4 Kg8 19.cd5 cd5 20.Qd5 Qc5 21.Qc4 Rc8 22.Qc5 Nc5 23.d4 Nd3 24.Kd2 Nb4 25.Nc3 Nd7 26.Ra1 Nf6 27.e4 Ng4 28.Ra7 Rb8 29.d5 Nf2 30.d6 Kf8 31.e5 Ke8 32.Nd4 Ng4 33.e6 fe6 34.Ne6 Kd7 35.Nd4 Ne5 36.Ne4 Nc4 0–1. ArgosZgZ – michael000007, lichess.org, 2019.

5.f4 a6 6.Nf3 0-0 (--> 4.f4 0-0 5.Nf3 d6 6.Be2 a6).

5.c4 e5

6.Nc3 0-0=+ 7.g4 (7.d3 a6=) 7...c6 (7...a5 8.b5=+) 8.h4 (8.e4 Be6=+) 8...Be6 (8...Na6 9.b5 Nc5 10.d4 ed4 11.ed4=+) 9.g5 (9.h5 a5 10.hg6 fg6=) 9...Nfd7 10.Rc1 Na6 11.a3 Nc7 (11...c5 12.b5 Nc7 13.d3=+) 12.Ne4 Qe7 (12...Ne8 13.d3=+) 13.Nf3 (13.h5 a5=) 13...d5 (13...f5 14.gf6 Nf6 15.d3=+) 14.Ng3 (14.cd5 Bd5 15.d3 f5 16.gf6 Nf6 17.Be5 Nb5=) 14...Bg4 (14...a5 15.cd5 Nd5 16.b5=) 15.Nh2 (15.cd5 Nd5 16.h5 a5=) 15...Be2=+ 16.Qe2 f5 (16...a5 17.cd5 ab4 18.dc6 ba3 19.cd7 ab2 20.Rb1-/+) 17.cd5 (17.gf6 Nf6 18.h5 Nh5 19.Nh5 gh5 20.Qh5 Qf7+=) 17...Nd5 18.d3 (18.h5 Qg5 19.Nf3 Qe7=+) 18...Rae8 (18...a5 19.ba5 Nc5 20.h5=+) 19.Nhf1 (19.h5 Qg5 20.Nf3 Qd8=+) 19...Qd6 (19...Nf4 20.ef4 ef4 21.Bg7 fg3 22.Qe7 Re7 23.Ne3 Kg7 24.Kf1–+) 20.Nd2 (20.h5 Nf4 21.ef4 ef4–+) 20...Nf4=+ 21.ef4 ef4 22.Nge4 fe4 23.Ne4 Qd5 24.Bg7 Kg7 25.f3 Ne5-/+ 26.Rc3 Qd4 27.Kd2 Rd8 28.Kc2 Qe3 29.Qe3 fe3 30.Nc5 Nf3?? 31.Ne6= Kg8 32.Nf8 Rf8 33.Kd1 Nd4 34.Rc4 Rf4 35.Rd4 Rd4= 36.Ke2 Rd5 37.Ke3 Kf7 38.Rf1 Ke7 39.Rf6 Rd6 40.Rf4+= Rd5 41.a4 Re5 42.Kd4 Re2 43.b5 Ra2 44.Kc5 Rc2 45.Rc4 Rc4 46.dc4 Kd7 47.a5 Kc7 48.b6 ab6= 49.ab6 Kd7 50.Kd4 Ke6 51.Kd3 Ke5 52.Kc3 c5 53.Kd3 Kf4 54.Kc3 Ke3 (55.Kc2 Kd4–+) 0–1. Quabach,Juergen – Weiler,Wolfgang, Koeln–ch, 1993.

6.d4 0-0 7.de5 Nfd7 8.Nf3 Nc6 9.b5 (9.0-0 Nde5 10.Ne5 Ne5=) 9...Nce5+= 10.Nc3 (10.Bd4 Nf3 11.Bf3 Ne5=) 10...Nf3 11.Bf3 Ne5 12.Na4 Nc4 13.Bg7 Kg7 14.Qd4 Ne5 15.0-0 Qf6 16.Be4 Bd7 17.Nc3 c6 18.f4 (18.Rfd1!?=) 18...Ng4-/+ 19.Qd2 Rfe8 20.h3 Ne3 (20...d5!? 21.hg4 de4+=) 21.Qe3= d5 22.Qd3 de4 23.Ne4 Qe7 24.Rae1 Rad8 (24...f6 25.Nf6 Qc5 26.Kh2 Re1 27.Re1=) 25.Qd4 (25.Qc3 f6 26.Nc5 Qf8 27.Nb7 Re1 28.Re1 Rc8+=) 25...f6+= 26.Nd6 Qe1 27.Re1 Re1 28.Kf2 Re7 29.Nb7 Rde8 30.Nd6 (better is 30.Nc5!? Re2 31.Kf3 R8e3 32.Qe3 Re3 33.Ke3+=) 30...Re2+= 31.Kf3 (31.Kg1 R8e7 32.a4 h5+=) 31...R8e7 (31...R8e3 32.Qe3 Re3 33.Ke3 cb5 34.Kd4-/+) 32.a4 h5 (32...cb5 33.ab5 a6-/+) 33.f5? (33.Kg3 R2e3 34.Kf2 R3e6=) 33...g5 (33...cb5 34.ab5 R2e5 35.fg6 Bb5 36.Nb5 Rf5 37.Kg3 Rb5 38.Qd3–+) 34.g4? (better is 34.h4 g4 35.Kf4=) 34...h4–+ 35.Qc5 (35.Qa7 cb5 36.ab5 Bb5 37.Qe7 Re7 38.Nb5–+) 35...cb5 36.ab5 a6 37.Ne4 (37.Nb7 Bb5 38.Nd8–+) 37...R7e4 38.ba6 Bc6! (38...Bc6 39.Qf8 Kf8 40.a7 R4e3) 0–1. Jacobs,Jean – Tonoli,Jose, Belgian championship, 1970.

6.d4 ed4 7.ed4 d5 8.Nf3=.

6.Nf3 b5 7.cb5 Bb7 8.Qb3 Nbd7 9.Nc3 0-0 10.0-0 Ne4 11.Ne4 Be4 12.d3 Bb7 13.a4 Kh8 14.h4 f5 15.Ng5 Qf6 16.Ne6 Rfc8 17.Ng7 Qg7 18.f4 c5 19.d4 cd4 20.ed4 Re8 21.fe5 de5 22.de5 Ne5 23.Rae1 g5 24.Rf5 gh4 25.Be5 Re5 0–1. ArgosZgZ (1650) – Crest65 (1660), lichess.org, 2020.

6.Nf3 e4 7.Nd4 0-0=.

4.Ne2 0-0

5.Nbc3 c6 6.Ng3 d5 7.Be2 d4 8.ed4 Qd4 9.Rb1 Qb6 10.a3 Ng4 11.0-0 Ne5 12.Kh1 a5 13.f4 Ned7 14.f5 ab4 15.ab4 Qb4 16.Qc1 Qd6 17.Nge4 Qc7 18.Bc4 Ne5 19.Bb3 Bf5 20.Ng5 h6 21.Nf7 Nf7 22.Qe1 Na6 23.Qh4 Nc5 24.Bc4 Ra4 25.Na4 Na4 26.Bg7 Kg7 27.Rbe1 e6 28.Qd4 Kh7 29.Qh4 Nb6 30.Bb3 Nd5 31.Rf3 g5 32.Qd4 Nf4 33.d3 Qd6 34.Qf6 Nd8 35.Qc3 Nd5 0–1. 56ctx56 – cakolli, kurnik, 2012.

5.Nbc3 d6 6.Ng3 e5 7.Nce4 Ne4 8.Ne4 Bf5 9.Ng3 Qd7 10.Be2 Nc6 11.a3 d5 12.0-0 d4 13.e4 Be6 14.f4 ef4 15.Rf4 d3 16.Bd3 Bb2 17.Rb1 Ba3 18.c3 a5 19.b5 Ne5 20.Be2 Bc4 21.Bc4 Nc4 22.Qb3 Nd2 23.Qc2 Nb1 24.Qb1 Rad8 25.Rf1 Bd6 26.Ne2 Rfe8 27.Rd1 Bc5 28.Nd4 Bd4 29.Rd4 Qg4 30.e5 Rd4 31.cd4 Qd4 32.Kh1 Re5 33.h3 Rd5 34.Qc2 Qd1 35.Kh2 Qc2 36.b6 1–0. 56ctx56 – mcney, kurnik, 2012.

5.Ng3 e5 6.Be2 d5 7.0-0 Nc6 8.a3 d4 9.f4 de3 10.d3 ef4 11.Rf4 Nd5 12.Bg7 Nf4 13.Bf8 Ne2 14.Qe2 Qf8 15.Qe3 Be6 16.Qg5 Re8 17.Nh5 Qe7 18.Nf6 Kg7 19.Nc3 Qf6 20.Qf6 Kf6 21.Ne4 Kg7 22.Rf1 Bf5 23.Nc5 b6 24.Na4 Re2 25.Nc3 Rc2 26.Nd5 Bd3 27.Re1 Nd4 28.Nf4 Ne2 29.Ne2 Re2 30.Re2 Be2 31.Kf2 Bb5 32.Ke3 Kf6 33.g3 Ke5 34.h3 f5 35.Kf3 Kd4 36.g4 fg4 37.Kg4 Kc3 38.h4 Kb3 39.Kg5 Ka3 40.Kh6 Bd3 41.Kh7 Kb4 42.Kh6 a5 43.Kg5 a4 0–1. 56ctx56 – calipso11, kurnik, 2012.

5.Ng3 Nh5 6.Bg7 Ng7 7.Be2 b6 8.0-0 Bb7 9.f4 d6 10.d3 Nd7 11.e4 Rb8 12.Nd2 e6 13.h4 c5 14.h5 Nh5 15.Bh5 gh5 16.Qh5 Kh8 17.f5 Nf6 18.Qh6 ef5 19.Nf5 Rg8 20.Nf3 Rg6 21.Qd2 Qg8 22.Rf2 d5 23.N3h4 Rg5 24.e5 Ng4 25.Re2 d4 26.e6 Ne3 27.ef7 Qf7 28.c3 Rbg8 29.cd4 cd4 30.Nd4 Ng2 31.Ng2 Bg2 32.Rf2 Ba8 33.Kf1 Rg1 34.Ke2 Re8 35.Qe3 Re3 0–1. 56ctx56 – kazikg, kurnik, 2012.

5.Ng3 b6

6.c4 Bb7 7.Nc3 c5 8.b5 (8.bc5 bc5 9.Rb1 Na6=) 8...d5 (8...a6 9.d4=+) 9.Rb1 (9.Nd5 Bd5 10.cd5 a6=) 9...Nbd7 (9...d4 10.Nce2 e5 11.a3=+) 10.cd5= Nd5 11.Nd5 Bd5 12.Bg7 (12.Qa4 Nf6=) 12...Kg7 13.a4 (13.Qc2 f5=) 13...Nf6 (13...e5 14.e4 Be6 15.Qc2=+) 14.Qc2= e5 15.e4 Bb7 16.Be2 (16.Bc4 a6=) 16...Qe7 (16...Qd4 17.f3=+) 17.0-0 Rad8 (17...h5 18.f3=) 18.d3 (18.Bc4 Rd4 19.d3 Bc8=) 18...Qe6 (18...Qd6 19.Rfc1=) 19.Rfe1 (19.f4 ef4 20.Rf4 Qd6=) 19...Rd4 20.Nf1 (20.a5 Qd6= (worse 20...ba5 21.Qc5 Nd7 22.Qa7+=)) 20...Rfd8 (20...Ne4!? 21.de4 Be4-/+) 21.Nd2= Nd7 (21...a5 22.ba6 Ba6 23.Nf3 Rd3 24.Qb2 (worse 24.Bd3 Bd3 25.Qd1 Ne4=+) 24...Rf3 25.Bf3+=) 22.Nf3 Rd6 23.Qd2 (23.Ra1 f6=) 23...Nf8 (better 23...Be4!? 24.Ng5 Qd5-/+) 24.Qg5 (24.Qc3 f6=) 24...f6 25.Qh4 (25.Qg3 c4 26.Nh4 Kh8 27.dc4 Be4=+) 25...Qd7 Increases the pressure on the backward pawn 26.Qg3 (26.Nd2 Rd4=) 26...Ne6-/+ 27.h4 (27.Bf1 Nf4-/+) 27...Nf4 28.Bf1 Nd3 Black terminates the opponent with strong threats. 29.Red1 (29.Bd3 Rd3 30.a5 ba5–+) 29...Nf4 (29...Be4!? 30.Ra1–+) 30.Re1 Nh5 31.Qh2 Qg4 32.Be2 (better 32.Rbc1–+) 32...Qe4 33.Bd1 (33.Ng5 Qf4 34.Bh5 Qh2 35.Kh2 fg5 36.Bg4–+) 33...Qb1 34.Ne5 (34.Be2 Qb4 35.Kf1–+) 34…Rd1 (34...Rd1 35.Kh1 Re1 36.Qg1 Rg1 37.Kh2 Rh1) 0–1. aravind555 (1800) – mightygorgon (1790), lichess.org, 2020.

6.c4 Bb7 7.Nc3 Nc6 8.b5 Na5 9.e4 (9.d4 a6=) 9...e5 (better 9...Ne4!? 10.Nge4 Be4-/+) 10.Be2= d6 11.0-0 a6 12.a4 ab5 13.cb5 (13.ab5 h5 14.Qc2 h4+=) 13...Nd7 (13...d5 14.d3=) 14.Qc2 (14.d3 Qh4=) 14...Qh4 15.Nd5 (15.Rab1 Nc5=) 15...Bd5 (15...Nc5 16.Ra3=+) 16.ed5 Nc5 17.Rab1 (17.Ra3 Qb4=+) 17...f5 (17...Qa4 18.Qa4 Na4 19.Bc3-/+) 18.Bc3 (18.f4 Rfe8 (18...ef4?! 19.Bg7 Kg7 20.Rb4=) 19.Bc1 ef4-/+) 18...Nab7 (18...Qa4 19.Qa4 Na4 20.Rbc1–+) 19.Rfd1? (better 19.Rb4!? f4 20.d3=+) 19...Ra4 (19...Qa4 20.Qa4 Ra4 21.Ra1–+) 20.Nf1 Ne4?? (20...Rfa8 21.Ra1–+) 21.Qa4?? (better 21.g3 Nc3 22.dc3+- (22.gh4?! Ne2 23.Kh1 Nc5=)) 21...Qf2-/+ 22.Kh1 Nbc5?? (better 22...Qe2 23.Re1 Qd3-/+) 23.Qc4+- Qh4 (better 23...f4+-) 24.Rb4?? (24.Rdc1 Qg5 25.Kg1 Nc3 26.Rc3 Ra8+-) 24...f4? (24...Nf2 25.Kg1 Qc4 26.Rc4 Nd1 27.Bd1+=) 25.d3 (better 25.Ra1!?+-) 25...Nf2+- 26.Kg1 Rf5?? (26...Nd1 27.Bd1 Re8 28.Bf3+-) 27.Bf3 (better 27.Ra1+-) 27...Rg5 Threatening mate... how? 28.Rd2 (better 28.Ng3 e4 29.Ne4 Nce4 30.Be1+= (worse 30.de4 Nd1 31.Bd1 Qh3=+; 30.Be4?? Nd1 31.Qa2 Bc3–+)) 28...Ng4?? (better 28...Nh3 29.Kh1 Qf2 30.Rf2 Nf2 31.Kg1 Nh3 32.Kh1 Nf2 33.Kg1 Nh3 34.Kh1 Nf2=) 29.Bg4 (29.Re2 Rf5+-) 29...Qg4 (29...Rg4 30.Qa2 Qd8+-) 30.Qe4?? (better 30.d4 Ne4 31.Ra2+-) 30...Ne4–+ 31.de4 f3 32.g3 Qh3 (32...h5 33.Rf2 h4 34.Rc4–+) 33.Rbb2 (better 33.Rf2–+) 33...Bh6 34.Rdc2?! (34.Rf2 Qg4 35.Rb4–+) 34…Qd7 (34...Qd7 35.Bd2 Rh5 36.Bh6 Rh6–+; better 34...Rg4 35.Rf2 Re4 36.Rf3 Rf4 37.Rf4 ef4–+) 0–1. aravind555 (1635) – francoli (1645), lichess.org, 2019.

6.c4 Bb7 7.d4 Ne4 (7...a6 8.Nc3=) 8.Nd2 (8.Ne4 Be4 9.Nc3 Bb7=) 8...Ng3 9.fg3 (9.hg3 d6=) 9...c5 (9...f5 10.Nf3=+) 10.b5 (10.bc5 bc5 11.Rb1 cd4 12.Bd4 Qc7=) 10...cd4 11.Bd4 e5 12.Bb2 d5 (12...f5 13.Qb3=+) 13.Nf3 (13.cd5 Qd5 14.e4 Qd6=) 13...d4 14.ed4 ed4 15.Nd4? (better 15.Kf2=+) 15...Re8–+ 16.Be2 Bg2 17.Rg1 Bh3 (17...Bd4 18.Qd4 Qd4 19.Bd4 Bf3=) 18.Qd2=+ Bg4 (18...a6 19.Kf2 ab5 20.Rgd1 Qf6 21.Kg1-/+) 19.0-0-0 Bd4 (better 19...Be2!? 20.Ne2 Bb2 21.Kb2 Qc8=+) 20.Bg4+- Be3?? (better 20...Bb2 21.Kb2 Qd2 22.Rd2 a6+=) 21.Qe3!!+- Qd1 (21...Re3 A deflection 22.Rd8 A beautiful mate combination) 22.Rd1 (22.Rd1 Nc6 23.Qf3+-) 1–0. aravind555 (1820) – victhoryachess (1815), lichess.org, 2020.

5.Ng3 d5

6.Nc3 c6 7.a3 e5 8.Be2 e4 9.0-0 Nbd7 10.f3 ef3 11.Rf3 Ne5 12.Rf1 Be6 13.h4 h5 14.Bh5 Nh5 15.Nh5 gh5 16.Qh5 Bg4 17.Qg5 Qg5 18.hg5 f6 19.gf6 Rf6 20.Rf6 Bf6 21.Na4 Rf8 22.Rc1 Bh4 23.Nc5 Bg3 24.Nb7 Kf7 25.Nd6 Ke6 26.Nb7 Be2 27.Na5 Bf2 28.Kh2 Rh8 0–1. 56ctx56 – amator17, kurnik, 2012.

6.c4 c6 7.Nc3 e5 8.Na4 (8.cd5 cd5 9.Be2 d4=+) 8...Qe7 9.a3 (9.cd5 Nd5 10.a3 Rd8=+) 9...d4 ( 9...dc4!? 10.Nc5 b6-/+) 10.e4 b6 11.Be2 h5 12.Bf3 h4 13.Ne2 g5 14.h3 Be6 15.d3 Nbd7 16.Bc1 Nh7 17.g3 f5 ( 17...b5!? 18.Nb2 a5 19.ba5 Ra5 20.cb5 cb5 21.gh4 gh4=+) 18.ef5+/– Bf5 19.Bc6 Rac8 20.Bd5 Be6 21.Be4 Nhf6 (21...Qf7 22.f4+=) 22.f3 ( 22.Bg5!? Qf7 23.Bb7+/–) 22...Ne4= 23.fe4 Qf6 24.g4 (24.Kd2 hg3 25.Qg1 b5 26.cb5 Qf3 27.Ng3 Qf4 28.Ke2 Rc2 29.Kd1 Bb3 30.Bf4 Ra2 31.Kc1 Ra1 32.Kb2 Rg1 33.Rg1 Ba4 (< 33...gf4 34.Nh5 Ba4 35.Rg7 Kh8 36.Rd7+=; < 33...ef4 34.Kb3 fg3 35.Rg3+/–) 34.Bg5 Rf2 35.Ka1 Kh7-/+) 24...Qf2 (24...Qf3 25.Kd2-/+) 25.Kd2=+ Rf7 26.Qg1 Qf6 27.c5? Bb3–+ 28.Nb2 bc5 29.b5 Qb6 30.Nc4 Bc4 31.dc4 Qa5 32.Kd1 Qa4 33.Ke1 Qc4 34.a4 d3 35.Rh2 de2 36.Rf2 Qc3 37.Ke2 Rf2 38.Qf2 Qa1 39.Qf5 Rf8 40.Qe6 Kh8 41.Qc4 Qd4 42.Qd4 ed4 43.a5 c4 44.Ba3 d3 45.Kd1 Be5 46.Bf8 Nf8 47.b6 ab6 48.a6 Bb8 49.e5 Ne6 50.Kd2 Kg7 51.Kc3 Nf4 52.Kd2 Nh3 53.e6 Kf6 54.e7 Ke7 55.Ke3 b5 56.Kd2 0–1. Otte,Marco – Korf,Alexander, Wag.Intcomp, 1997.

6.c4 Nc6 7.cd5 (7.b5 Nb8=) 7...Nd5 (better 7...Nb4!? 8.Nc3 Nbd5 9.Nd5 Qd5-/+) 8.Bg7= Kg7 9.b5 Na5 (9...Nb8 10.d4=) 10.Qa4 (10.d4 c6+=) 10...b6 (10...c6 11.Nc3=) 11.Be2 (11.Nc3 c5=) 11...Bb7 12.Bf3 (12.0-0 a6=) 12...Rb8 (12...a6 13.0-0=) 13.Na3 (13.0-0 c6+=) 13...Nf6 (13...c6 14.0-0=) 14.Nc4 (14.Bb7 Rb7 15.d4 a6=) 14...Bf3= 15.gf3 Nc4 (15...Qd5 16.Na5 ba5 17.Rb1=+) 16.Qc4 Qd5 (16...Rc8 17.Rc1=) 17.Qc7 (17.Qd5 Nd5 18.Rc1 Rfc8=) 17...Qf3 (17...Rb7 18.Qc3=+) 18.Qa7 (18.Qe7 Rfd8+=) 18...Ng4 (18...e5 19.Qc7 e4 20.Rc1=) 19.Rf1 (19.0-0!? e5 20.Qa4+=) 19...Nh2=+ 20.Rh1 Ng4 21.Rf1 Nf2 (21...Ne5 22.Qa3=+) 22.Rf2= Qg3 23.Qe7 Rfe8 (better 23...Qg1!? 24.Rf1 Qg3 25.Ke2 Qg4 26.Ke1 Qe6=) 24.Qf7+- Kh6 25.Ke2 Do you see the mate threat? 25...Qg4 26.Ke1 (better 26.Qf3!? Qc4 27.Ke1+-) 26...Qb4?? (26...Qg1 27.Ke2 Qg4 28.Qf3 Qc4 29.Ke1 Qh4+-) 27.Rh2+- (27.Rh2 Kg5 28.Qf2+- (28.Rh7 Re3 29.Kd1 Qa4 30.Kc1 Rc8 31.Qc7 Re1 32.Kb2 Qb4 33.Kc2 Ra1 34.a4 Ra2 35.Kd3 Rd2 36.Ke3 Qd4 37.Kf3 Qd3)) 1–0. aravind555 (1635) – elferoz (1625), lichess.org, 2020.

6.Be2 b6 7.c4 (7.0-0 Qd6=) 7...Bb7 (7...dc4 8.Bc4 Bb7 9.0-0=) 8.cd5 Bd5 9.Nc3 (9.0-0!?=) 9...Bg2=+ 10.Rg1 Bb7 11.Bf3 (11.d4-/+) 11...Nd5 (11...Bf3 12.Qf3 Na6 13.a3-/+) 12.Rb1 (12.Nf5 Nc3 (12...gf5?? 13.Nd5 f6 14.Nf4+-) 13.Bc3 Bf3 14.Qf3 Bc3 15.dc3 c6=+) 12...Nc3=+ 13.Bc3 Bc3?? (better 13...Bf3 14.Qf3 Nd7=+) 14.Bb7+- Bg7 (14...a5 15.Ba8 (worse 15.dc3 Ra7 16.Bd5 e6+-) 15...Bb4 16.Qc1+-) 15.Ba8 c6 (15...Nd7 16.Bg2+-) 16.b5 (better 16.d4 c5 17.dc5 bc5 18.Qd8 Rd8 19.bc5 Na6+-) 16...Nd7 (16...c5 17.Be4+-) 17.Bc6 (worse 17.bc6 Ne5 18.Bb7 Qd5+-) 17...Ne5 (17...e5 18.Ne4+-) 18.Be4 (18.d4 Nc6 19.bc6 Qc7+-) 18...f5 (18...Nd3 19.Bd3 Qd3 20.Qb3+-) 19.Bc2 (19.Bh1 Nd7+-) 19...f4 Black begins to deal mighty blows 20.Ne4 (20.ef4 Rf4 21.Be4 e6+-) 20...Nd3 (20...fe3 21.de3 Nf3 22.Kf1 Ng1 23.Bb3 Kh8 24.Qd8 Rd8 25.Kg1+-) 21.Bd3 Qd3 22.Qb3 Qb3 23.Rb3 f3 (23...Rc8 24.Kd1+-) 24.Rd3 (better 24.d4!? Rc8 25.Rg3 e5+-) 24...Rc8 The mate threat is Rc1 25.Ng5 (better 25.Kd1 Bb2 26.Nc3+-) 25…Rc1 0–1. aravind555 (1745) – Bakalinge (1800), lichess.org, 2020.

5.Ng3 d6

6.Be2 c6 7.0-0 Bd7 8.Nc3 Qc8 9.f4 a5 10.b5 c5 11.a4 b6 12.Rb1 d5 13.Bf3 Ra7 14.Nd5 Nd5 15.Bg7 Kg7 16.Bd5 Be6 17.Be4 Qd7 18.d3 Bd5 19.Bd5 Qd5 20.e4 Qd4 21.Kh1 Nd7 22.f5 Nf6 23.h4 Rd7 24.h5 Qa4 25.hg6 fg6 26.fg6 hg6 27.e5 Ng4 28.Rf8 Kf8 29.Qg4 Qg4 30.Rf1 Kg7 31.Ne4 a4 32.Nf2 Qh4 33.Kg1 a3 34.Ra1 Qa4 35.e6 Rd4 36.Ne4 a2 37.Ng5 Qc2 38.Nf7 Rg4 39.Ne5 Qg2 0–1. 56ctx56 – przegralem, kurnik, 2012.

6.Be2 Nc6 7.a3 e5 8.0-0 Be6 9.f4 ef4 10.Rf4 Nd5 11.Bg7 Nf4 12.Bf8 Ne2 13.Qe2 Kf8 14.Nc3 Ne5 15.Nce4 c6 16.Rf1 Kg7 17.h4 Bc4 18.d3 Bd5 19.Nf6 Be6 20.h5 Qe7 21.h6 Kh6 22.e4 Kg7 23.Kh2 Nd7 24.Qe3 Nf6 25.e5 de5 26.Qe5 Rd8 27.Ne4 Rd5 28.Qc3 Rf5 29.Re1 Qc7 30.Kh1 Rh5 31.Kg1 Qb6 32.Re3 Qe3 33.Nf2 Qc1 0–1. 56ctx56 – ludek555, kurnik, 2012.

6.Be2 Nbd7 7.0-0 e5 8.d4 ed4 9.Bd4 Ne5 10.f4 (10.Nd2 Qe7=) 10...Nc6 11.Bc3 Nb4 (better 11...Qe7!? 12.Qd2 Re8=+) 12.Bb4+- Ng4 13.Bg4 Bg4 14.Qg4 Ba1 15.c3 (15.e4+=) 15...Bb2? (better 15...Qe7!? 16.e4 a5+=) 16.Qe2+- a5 17.Qb2 ab4 18.cb4 Qe7 19.a3 (better 19.e4!?+-) 19...Qe3+= 20.Kh1 Rfe8 21.Nc3 (21.f5 d5+=) 21...Qf4?? (better 21...Qd3+=) 22.Rf4+- (22.Rf4 Re5 23.Nce4+-) 1–0. aravind555 (1715) – n2048m (1720), lichess.org, 2020.

6.Be2 e5 7.0-0 h5 8.f4 ef4 9.Rf4 Nc6 10.a3 Ne5 11.Nc3 c5 12.b5 b6 13.a4 Neg4 14.h3 Nh6 15.Bf3 Rb8 16.Bh5 Nh5 17.Nh5 gh5 18.Qh5 f6 19.Qd5 Kh7 20.Ne4 f5 21.Bg7 Kg7 22.Ng3 Bb7 23.Qc4 d5 24.Qc3 d4 25.ed4 cd4 26.Rd4 Qf6 27.Rd7 Rf7 28.Rf7 Kf7 29.Qc7 Qe7 30.Qc4 Kg6 31.Rf1 Rf8 32.d3 Qe3 33.Kh1 Qg3 34.Qc7 Qg2 0–1. 56ctx56 – ryfus777, kurnik, 2012.

4.f3 0-0

5.Bd3 d6 6.Nc3+= e5 7.Be4? Ne4 8.Ne4 Nc6–+ 9.a3 f5 10.Nc3 Be6 11.Nge2 Qh4 12.g3 Qh3 13.Kf2? e4 14.Nf4+- Qh6 15.Ne6 Rf7 16.Kg2 Re8 17.Ng7 Qg7 18.Rb1 Qh6 19.Nd5 Kf8 20.Rf1 ef3 21.Rf3 g5 22.Qf1 g4 23.Rf5 Qh3 24.Kg1 Qf1 25.Rbf1 Rf5 26.Rf5 (26.Rf5 Kg8 27.Nf6 Kf7 28.Ne8 Ke8 29.Rh5+-) 1–0. Steve20 – carlosfandangos, ChessWorld.net, 2007.

5.f4 e6 6.Nf3 b6 7.Be2 Bb7 8.0-0 Nc6 9.b5 Ne7 10.c4 c6 11.a4 cb5 12.cb5 Rc8 13.Nc3 Ned5 14.Nd5 Nd5 15.Bg7 Kg7 16.Rc1 Rc1 17.Qc1 Qc8 18.Qb2 Kg8 19.Rc1 Qb8 20.Ne5 Qd6 21.Ng4 Rc8?? 22.Nh6+- Kf8 23.Qh8 Ke7 24.Rc8 (24.Rc8 Bc8 25.Ng8 Kd8 26.Nf6 Qf8 27.Qf8 Kc7 28.Ne8 Kd8 29.Nd6 Kc7 30.Nf7+-) 1–0. elsh1403 (1665) – sylwekj, kurnik, 2012.

4.Nf3

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3).

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

4.Nf3 e6 5.Be2 0-0 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 e6).

4.Nf3 0-0

5.b5 (--> 4.b5 0-0 5.Nf3).

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

5.c4 a5 6.b5 c5 7.d4 d6 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4 c5).

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

5.c4 b6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6).

5.c4 b6 6.d4 Bb7 7.Nbd2 d6 8.Be2 Nbd7 9.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7 9.Nbd2).

5.c4 d5 6.c5 c6 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.c5).

5.c4 d5 6.d4 e6 7.Nbd2 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nbd2 e6).

5.d3 d6 6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.d3).

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

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

5.d4 d5 6.Nbd2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d4 0-0 5.Nbd2 d5 6.e3).

5.d4 d6 6.b5 c5 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 c5 7.b5).

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

5.d4 d6 6.c4 b6 7.Be2 Nbd7 8.0-0 Bb7 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7).

5.d4 d6 6.Be2 c6 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 c6 7.Be2).

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

5.Be2 b6 6.0-0 Bb7 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0).

5.Be2 b6 6.0-0 Bb7 7.d4 d6 8.Nbd2 Nbd7 9.c4 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7 9.Nbd2).

5.Be2 b6 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2).

5.Be2 c6 6.0-0 d5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.Be2 0-0 6.0-0 c6).

5.Be2 c6 6.0-0 d5 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d5 7.0-0).

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

5.Be2 c6 6.c4 d6 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 c6 7.Be2).

5.Be2 d5 6.0-0 c6 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d5 7.0-0).

5.Be2 d5 6.0-0 c6 7.d4 Bg4 8.Nbd2 Nbd7 9.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nbd2 Bg4 8.Be2 Nbd7 9.0-0).

5.Be2 d5 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.Be2).

5.Be2 d5 6.c4 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d5).

5.Be2 d5 6.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.d3 0-0 6.Be2).

5.c4 d6

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

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

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

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

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

6.Be2 Nbd7 7.0-0 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7).

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

6.Be2 Nbd7 7.d4 c6 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0 Nbd7 8.d4).

6.Be2 e5 7.0-0 Nbd7 8.d3 Re8 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Re8 8.0-0 Nbd7).

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

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

5.Be2 d6

6.0-0 c6 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0).

6.0-0 c6 7.d3 e5 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.0-0 e5 7.d3 c6).

6.0-0 Nbd7 7.c4 e5 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0).

6.0-0 e5 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.0-0).

6.0-0 e5 7.c4 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0).

6.0-0 e5 7.d3 Nbd7 8.Nbd2 c6 9.c4 Re8 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Nbd7 8.Nbd2 Re8 9.0-0 c6).

6.0-0 e5 7.d3 Re8 8.Nbd2 c6 9.c4 Nbd7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Nbd7 8.Nbd2 Re8 9.0-0 c6).

6.0-0 e5 7.d4 Nbd7 8.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0).

6.0-0 Re8 7.d3 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.0-0 e5 7.d3 Nfd7).

6.0-0 Bg4 7.c4 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7 8.0-0).

6.b5 (--> 4.b5 0-0 5.Nf3 d6 6.Be2).

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

6.c4 b6 7.d4 Bb7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4).

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

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

6.c4 e5 7.0-0 Re8 8.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Re8 8.0-0).

6.c4 Bg4 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2).

6.d4 Nbd7 7.0-0 e5 8.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0).

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

4.Nf3 b6

5.c4 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 Nf6 4.Nf3 g6 5.c4 Bg7).

5.Be2 Bb7 6.0-0 0-0 (---> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 b6 6.0-0 Bb7).

4.Nf3 d5

5.c4 dc4 6.Bc4 0-0 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.d4 dc4 7.Bc4).

5.c4 c6 6.Nc3 0-0 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nc3).

5.Be2 e6 6.0-0 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.Be2 0-0 6.0-0 e6).

4.Nf3 d6

5.b5 0-0 (--> 4.b5 0-0 5.Nf3 d6).

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

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

5.c4 0-0 6.d4 b6 7.Be2 Bb7 8.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4).

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

5.c4 Nbd7 6.Be2 e5 7.0-0 0-0 (-->1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.0-0 Nbd7).

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

5.d4 (--> 4.d4 d6 5.Nf3).

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

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

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

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

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

5.d4 Bg4 6.Be2 0-0 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2).

5.d4 Bg4 6.Be2 Nbd7 7.0-0 0-0 8.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7 8.0-0).

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

5.Be2 0-0 6.0-0 Nbd7 7.d3 e5 8.Nbd2 c6 9.c4 Re8 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 Nbd7 8.Nbd2 Re8 9.0-0 c6).

5.Be2 0-0 6.0-0 e5 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.0-0).

5.Be2 c6 6.0-0 0-0 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6 7.0-0).

5.Be2 e5 6.0-0 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.0-0 e5).

4.f4 0-0

5.a3 d5 6.Nf3 a5 7.b5 Nbd7 8.Be2 Nc5 9.0-0 Bg4 10.Nc3 Qd6 11.a4 Rfd8 12.Ne5 Be2 13.Ne2 Nfd7 14.Bd4 Nb6 (worse is 14...Ne5 15.fe5 Be5 16.Bc5 Qc5 17.d4+/–) 15.c3 Ncd7 16.Nd7 ½–½. Elias,Benjamin (1975) – Wicklund_Hansen,Gunnar (1840), SB–2009–0-00058, 2009. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0)

5.c4 b6 6.Nf3 Bb7 7.Be2 d5 8.0-0 Nbd7 9.cd5 Bd5 10.Nc3 Bb7 11.d4 Ne4 12.Ne4 Be4 13.Nd2 Nf6 (13...Bb7!?+=) 14.Ne4+/– Ne4 15.Bf3 f5 16.Qb3 Kh8 17.Be4 fe4 18.Rac1 Rc8 19.Rc6 Qd7 20.Rfc1 Rf6 21.b5 Rc6 22.Rc6 Qg4 23.Qc2 Qh4 24.Bc3 Qh5 25.Qe4 Qb5 26.Rc7! Rc7?? (26...Qe8 27.Qe7 Qe7 28.Re7 Bf8 29.Ra7 Rc3+/–) 27.Qa8 (27...Rc8 28.Qc8 Qe8 29.Qe8 Bf8 30.Qf8) 1–0. Trkn – hwRook (1745), ICC, 2004.

5.c4 d6 6.Be2 c6 (6...a5 7.ba5 Bf5 8.d4=+) 7.a4 (7.Nf3 Na6 8.a3 c5=) 7...a5 8.b5 d5 (8...cb5 9.cb5 Bf5 10.Nf3=+) 9.Nf3 Nbd7 (9...dc4 10.Bc4 cb5 11.Bb5=) 10.0-0 dc4 11.bc6 Nb6 12.Ne5 bc6 13.Nc6 Qc7 (13...Qd6 14.Ne5 Qe6 15.Qc2=) 14.Nd4 Bb7 15.Na3 (15.Nc3 Rab8=) 15...Rfc8 16.Rc1 Ba6 (16...Qd7 17.Bc4 Na4 18.Bc3=+) 17.Ndb5 Bb5 18.ab5 Qd7 19.Nc4 (19.Bd4 Nfd5 20.Bb6 Nb6 21.Nc4 Nc4 22.Bc4 a4+/–) 19...Qb5 20.Bf6 ( 20.Nb6 Qb6 21.Rc8 Rc8 22.Qa1=) 20...Nc4 (20...Bf6 21.Rb1 Qb1 22.Qb1 Nc4+/–) 21.Be7 (21.Bg7 Kg7 22.Qc2 Nd6 23.Qc8 Rc8 (23...Nc8?? 24.Bb5 Nd6 25.Bc6+-) 24.Bb5 Rc1 25.Rc1 Nb5+-) 21...Qd7 22.Rc4 (22.Bc4 Qe7 23.Qa4 Qb4+/–) 22...Qe7 (22...Rc4 23.Bc4 Qe7 24.f5+/–) 23.Qc2 (23.Qa4 Rc4 24.Bc4 Qb4+/–) 23...Rd8 (23...Rc4 24.Bc4 a4 25.f5+=) 24.Rb1 a4 25.Bf3 Ra7 26.Ra4 Ra4 27.Qa4 Rd2 28.Rb8 Rd8 29.Rd8 Qd8 30.Qa8 Qa8 31.Ba8 f5 32.Kf1 Bc3 33.Kf2 Kf7 34.Kf3 Bb2 (34...h6 35.Bd5 Kf6 36.e4+/–) 35.Bd5 Kf6 36.e4 fe4 37.Ke4 h5 38.Bb3 (38.h4 Bc3+/–) 38...Bc3 39.Bc2 (39.Kd3 Bb2+/–) 39...Ba5 (39...h4 40.g3+/–) 40.Kf3 (40.g3 Bc3+/–) 40...Be1 41.Bd3 Bc3 42.Kg3 (42.g3 Bd4+/–) 42...Be1 (42...g5 43.fg5 Kg5 44.h4 Kh6 45.Kf4+/–) 43.Kh3+/– Kg7 44.g3 ½–½. Sundin,Thommy (2015) – Ristesund,Odd (1690), Gausdal, 1989.

5.Nf3 Na6 6.a3 b6 7.Bd3 c5 8.Qe2 Nc7 9.c4 d5 10.bc5 bc5 11.cd5 Ncd5 12.0-0 Nf4 13.ef4 Qb6 14.Bb5 a6 15.Nc3 (15.a4 ab5 16.ab5 Ra1 17.Ba1 Rd8+=) 15...ab5-/+ 16.Qb5 Qd6 17.Qe2 (17.Qb3!?-/+) 17...Ba6–+ 18.Nb5? (better is 18.Qe5 Bf1 19.Qd6 ed6 20.Kf1–+) 18...Bb5 (18...Bb5 19.Qb5 Rfb8–+; 18...Qf4?! 19.a4 Rfe8 20.Ne5-/+) 0–1. Gardner,R (2185) – Kraai,J (2510), 3rd Int Open, 2008. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 Na6)

5.Nf3 e6 6.Be2 d5 (--> 5.Nf3 d5 6.Be2 e6).

5.Nf3 a5

6.b5 a4 7.h4 (7.Be2 d5=) 7...h5 (7...d5 8.Bd4+=) 8.f5 a3 (8...gf5 9.Bf6 Bf6 10.Nc3=) 9.Bf6 (9.Na3 d5 10.fg6 fg6+=) 9...Bf6 10.Nc3 (10.d4 d5 (worse is 10...gf5 11.Ng5 Bg5 12.hg5+=) 11.fg6 fg6+=) 10...d5+= (worse is 10...gf5 11.Ng5 Bg5 12.hg5+/–) 11.g4? (better is 11.fg6 fg6 12.Be2+=) 11...hg4–+ 12.fg6? (12.Nd4 gf5 13.Bd3 e6–+) 12...Qd6 (12...gf3 13.g7 f2 14.Kf2 Bg7 15.Qf3–+) 13.Rg1? (better is 13.Ng1 Qg3 14.Ke2 fg6 15.Qe1 Qe1 16.Ke1–+) 13...fg6 (13...gf3?! 14.gf7 Kf7 15.Qf3–+) 14.Bd3 (14.d4 gf3 15.Rg6 Kf7–+) 14...Bc3 (14...Bc3 15.dc3 Rf3 16.Qf3 gf3 17.Rg6 Qg6 18.Bg6 Ra4–+) 0–1. Campioli,G – Portisch,Ferenc (2475), Reggio Emilia, 1979. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 a5)

6.b5 d5 7.Be2 (--> 5.Nf3 d5 6.Be2 a5 7.b5).

6.b5 d6 7.Be2 c5 8.bc6 bc6 9.0-0 Ba6 10.c4 Nbd7 11.Nc3 Rb8 12.Rb1 Qc7 13.Qc2 Nc5 (13...Rb7 14.f5=) 14.f5 (14.d4 Ncd7+=) 14...Bc8= 15.Nd4 e5 16.fe6 Ne6 (16...fe6 17.Ba3 Nb7 18.Bf3=) 17.Na4 Nd4 18.Bd4 (worse 18.ed4 Re8 19.Bd3 Ng4=+) 18...Bf5 19.d3 White intends c5 19...Rb1 20.Qb1 Ne8 21.Qa1 Bd4 22.Qd4 Ng7 23.c5 (23.Nc3 Rb8+=) 23...d5 24.e4 de4 25.de4 Rd8 26.Qc4 Be6 27.Qc2 (27.Qc3 f5+=) 27...Qe5 28.Kh1 (28.Rf2 Qa1 29.Bf1 Qd4=+) 28...Rd4=+ The isolani on e4 becomes a target 29.Bf3 Rc4 (29...Bc4 30.Re1-/+) 30.Qd1 Rd4 31.Qc2 Rc4 (31...Bc4 32.Re1-/+) 32.Qd1 Rd4 (32...h6 33.Qd8 Kh7 34.Qa5=+) 33.Qc2-/+ Rc4 (33...Bc4!? 34.Re1 Ne6-/+) 34.Qd1= Rd4 35.Qc2 ½-½. Charochkina,D (2355) - Mukhina,Jana (2105), Sochi RUS blitz, 2019. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3)

6.b5 c5

7.a4 d5 8.c4 e6 9.Be2 b6 10.0-0 Bb7 11.Ne5 Nbd7 12.Bf3 Qc7 13.d4 Ne4 14.Nd2 Ne5 15.fe5 Nd2 16.Qd2 dc4 17.Bb7 Qb7 18.dc5 bc5 19.Rac1 Qd5 20.Qc3 Rfd8 21.Qc4 Be5 22.Be5 Qe5 23.Qc5 Rd5 24.Qc3 Qe4 25.Rf4 Qe5 26.Qe5 Re5 27.Rc7 f5 28.Kf2 Rd8 29.Rd4 Red5 30.b6 Rd4 31.ed4 Rd4 32.b7 (32.b7 Rd2 33.Ke1+-) 1–0. lllllll21 (1625) – myszka27l, kurnik, 2011.

7.c4 b6 8.a4 Bb7 9.Qc2 d5 10.cd5 Nd5 11.Be2 Nd7 12.Bg7 Kg7 13.0-0 Rc8 14.Nc3 Nb4 15.Qb2 f6 16.Rad1 Nd3 17.Bd3 Bf3 18.Rf3 Ne5 19.fe5 Qd3 20.ef6 ef6 21.Rdf1 Rcd8 22.R3f2 Rd6 23.Nb1 g5 24.h3 Kg6 25.Qc3 Qe4 26.Na3 Qa4 27.Nc4 Re6 28.Qd3 Kh6 29.e4 Qb5 30.Ne5 Qd3 31.Nd3 Re4 32.Rf6 Rf6 33.Rf6 Kg7 34.Rb6 Rd4 35.Nf2 Rd2 36.Rb5 a4 37.Rc5 a3 38.Ra5 a2 39.Kf1 Rb2 40.Nd1 Rb1 41.Ra2 Rd1 42.Kf2 Rd3 43.Ra6 h5 44.Rb6 Ra3 45.Rc6 h4 46.Rb6 Kf7 47.Rc6 Rd3 48.Rb6 Rd5 49.Rc6 Rf5 50.Kg1 Rf6 51.Rc5 Kg6 52.Kh2 Re6 53.Kg1 Kf6 54.Kf2 Re5 55.Rc6 Kf5 56.Rc8 Ke4 57.Rc4 Kd3 58.Rc7 Rf5 59.Kg1 Ke3 60.Re7 Kf4 61.Re8 Ra5 62.Rf8 Ke5 63.Kf2 Ra3 64.Rg8 Kf6 65.Rf8 Kg6 66.Rb8 Kh5 67.Rb5 Ra2 68.Kf3 Kg6 69.Rc5 Kf6 70.Rb5 Ra3 71.Kf2 Rd3 72.Rb6 Ke5 73.Rb4 Rd4 74.Rb8 Rd2 75.Kf3 Rd3 76.Kf2 Rg3 77.Re8 Kf6 78.Rf8 Kg7 79.Rf3 Rf3 80.Kf3 Kf6 81.Kg4 Kg6 82.g3 hg3 83.Kg3 Kh5 84.h4 gh4 85.Kh3 Kg5 86.Kh2 Kg4 87.Kg2 Kf4 88.Kh3 Kg5 89.Kh2 Kg4 90.Kg2 h3 91.Kh2 Kh4 92.Kh1 Kg5 93.Kh2 Kg4 94.Kh1 Kh4 95.Kh2 Kg4 96.Kh1 Kg3 97.Kg1 Kf3 98.Kh1 Kf4 99.Kg1 Kg5 100.Kh2 Kh4 101.Kh1 Kg3 102.Kg1 h2 0–1. amator111 (1675) – grajaro (1920), kurnik, 2012.

7.c4 d5 8.a4 Bg4 9.Be2 Nbd7 10.Ne5 Ne5 11.fe5 Be2 12.Qe2 Nd7 13.d4 cd4 14.ed4 dc4 15.Qc4 Nb6 16.Qb3 Rc8 17.0-0 Nc4 18.Bc3 b6 19.Na3 Ne3 20.Rf3 Qd5 21.Qb2 Nf5 22.Rd1? Be5!=+ 23.Nc2 Bf6 24.g4?? Qf3 25.gf5 Qf5 26.Ne3 Qg5 27.Kh1 Qe3 28.Re1 Qc3 (28...Qc3 29.Qf2 Qc4–+) 0–1. elsh1403 – szaniecwilka, kurnik, 2012.

7.Be2 b6 8.0-0 Bb7 9.Ne5 d6 10.Nf3 Nbd7 11.d3 Qc7 12.Nbd2 Ng4 13.e4?? Ne3 14.Qb1 Nf1 15.Nf1 d5 16.Bg7 Kg7 17.Qb2 f6 18.g4?? de4 19.de4 Be4 20.g5 Qf4 21.gf6 ef6 22.Ng3 Bf3 23.Bf3 Qf3 24.Rf1 Qe3 25.Kh1 Qd4 26.Qc1 Rae8 27.Rg1 Qd5 28.Rg2 Re5 29.c4 Qf3 30.Qd2 Rf7 31.h3 Rfe7 32.Kh2 h5 33.Qd6 h4 34.Nh5 Kh6 35.Nf6 Qf4 (35...Qf4 36.Kh1 Re1 37.Rg1 Qf3 38.Kh2 R7e2 39.Rg2 Qg2#) 0–1. elsh1403 – wictorio (1805), kurnik, 2011.

7.Be2 b6 8.0-0 d6 9.c4 Bb7 10.d4 e6 11.Nc3 Nbd7 12.d5 ed5+= 13.cd5 Ng4 14.Qd2 Re8 15.e4 Ngf6 16.Bd3 c4 17.Bc2 Nc5 18.Rae1 Qd7 19.a4 Qg4 20.e5 Nh5 21.Ne4 Ne4 22.Be4?? Qf4 23.Qc2 Qg4 24.h3 Qd7 25.Ng5 c3 26.Bc3 Rac8 27.Rf7 Qf7?? 28.Nf7+- Kf7 29.Rf1 Kg8 30.Qd3 Be5? 31.Be5 Re5 32.Qf3 Re7 33.Qf6?? Nf6–+ 34.Rf6 Re4 35.Rd6 Rc1 36.Kh2 Rc2 37.Kg3 Re7 38.Rd8 Kg7 39.d6 Rf7 40.d7 Rd2 41.Re8 Rdd7 42.Re2–+ 0–1. elsh1403 – leonsyo (1735), kurnik, 2011.

6.b5 c6

7.c4 a4 8.Be2 d5 9.d3 Nbd7 10.0-0 Nc5 11.Nd4 dc4 12.dc4 Nfe4 13.Nd2?? Qb6?? 14.a3= Nd2 15.Qd2 Nb3 16.Qc3?? Nd4?? 17.ed4+= c5 18.Rad1 cd4 19.Qb4 d3 20.Kh1?? de2–+ 21.Rfe1 ed1R 22.Rd1 Bb2 (22...Bb2 23.Qb2 Qc5–+) 0–1. elsh1403 – alexsuper1987 (1715), kurnik, 2011.

7.c4 cb5 8.cb5 a4 9.a3 Qb6 10.Nc3 d6 11.Na4 Qa5 12.Nc3 Nbd7 13.Be2 Nc5 14.0-0 Bd7 15.a4 Nfe4 16.Qc2 Nc3 17.Bc3 Bc3 18.dc3 Bf5 19.Qd1 Ne4 20.c4 Qc3 21.Qd4 Rac8 22.Rfc1 Qd4 23.Nd4 Bd7 24.Bf3 f5 25.Be4 fe4 26.a5 e5 27.Ne2 d5 28.c5?? Bb5= 29.fe5?? Be2–+ 30.a6 Ba6 31.c6 Bc4 32.cb7 Rb8 33.Rcb1 Rfe8 34.Ra8? Ra8 35.ba8N Ra8 36.Rb7 Ra1 37.Kf2 Rf1 38.Kg3 h5 39.e6 Re1 40.Kf2?? Re2–+ 41.Kg1 Re3 42.h3?? Rb3 43.Rd7 Kf8 44.Rf7 Ke8 45.Rg7 d4 46.Rg6 Ke7 47.Rg7 Ke6 48.Rc7 d3 49.Rc4 d2 (49...d2 50.Rd4 Rd3 51.Re4 Kd7–+) 0–1. elsh1403 – mietz, kurnik, 2012.

7.c4 cb5 8.cb5 b6 9.Be2 d6 10.0-0 Nbd7 11.a4 Nc5 12.Nc3 Bg4 13.h3 Bf3 14.Bf3 Ra7 15.d4 Nb7 16.Rc1 e6 17.Qb3 d5 18.Rfd1 Nd6 19.Ba3 Qd7 20.Bd6 Qd6 21.e4?? de4–+ 22.Ne4 Ne4 23.Be4 Qf4 24.Re1 Bd4 25.Kh1 Be5 26.Kg1 Rd8 27.Bc6 Rd2 28.Qe3 Bd4 (28...Bd4 29.Qd4 Qd4 30.Kh1 Qa4–+) 0–1. elsh1403 – lukaasz (1655), kurnik, 2011.

7.c4 cb5 8.cb5 Qb6 9.a4 d5 10.Nc3 e6 11.Bd3 Nbd7 12.0-0 Nc5 13.Bc2 Nce4 14.Ne5 Nc3 15.Bc3 Ne4 16.Bd4 Qc7 17.Rc1 Qe7? 18.Be4+- de4 19.Bc5 Qf6? 20.Bf8 Bf8 21.Rc7 b6 22.Rf7 Qd8 23.Qc2 Bd6 24.Nc6 Qe8 25.Rf6 Bb7 26.Qe4 Rc8 27.Re6 Qf7 1–0. elsh1403 – pierrs, kurnik, 2011.

7.c4 d5 8.a4 Bf5 9.Be2 Re8 10.0-0 Nbd7 11.Ne5 Ne5 12.fe5 Nd7 13.d4 dc4 14.Bc4 Nb6 15.Bb3 Rc8 16.Nd2 Nd5 17.e4 Ne3 18.Qf3 Nf1= 19.Rf1 Be6 20.Be6 fe6 21.Qf7 Kh8 22.Qe6 cb5 23.Nf3 Rc2 24.Ng5 Rf8 25.Rf8 Qf8 26.Nf7 Kg8 27.Nh6 Kh8 28.Nf7 Kg8 29.Nh6 Kh8 30.Nf7 ½–½. elsh1403 – grafixpl, kurnik, 2012.

5.Nf3 b6

6.Be2 c5 7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Bb7 11.0-0 d6 12.c4 Nbd7 13.Na3 Qc7 14.d3 Ne8 (14...Ra8 15.Nc2=) 15.Nd2 Ba1 16.Qa1 Ng7 17.Nc2 f5 ½–½. Bronstein,David I (2440) – Hartoch,Robert G (2345), Donner mem–B, 1994. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6)

6.Be2 Bb7

7.0-0 c5 8.b5 d6 9.a4 a5 10.Na3 d5 11.c4 e6 12.h3 d4 13.Ne5 Ne4 (13...de3 14.de3 Qc7 15.Bf3=) 14.Bf3 (14.ed4 cd4 15.Bf3+=) 14...Be5 (14...d3!?=) 15.fe5+= de3 16.de3 (16.Qc2!? e2 17.Rfe1+=) 16...Qg5= 17.Qe1 Rd8 18.h4 Qe7 19.Be4 (19.Rd1 Ra7=) 19...Be4 20.Rf4 Bb7 (20...Bd3 21.Rd1 Ra7 22.e4+/–) 21.Qf2 Ra7 22.Rf1 Ba8 23.Qe2 (23.e4 Rd3=) 23...Rad7 24.Nb1 Rd3 (24...Bb7 25.Qg4+=) 25.Bd4+= (worse is 25.Rf7 Qh4 26.R7f4 Qg3+=) 25...Rb3 (25...Qb7 26.R4f2 Rb3+/–) 26.Bc3+/– Qb7 27.Rf7 (better is 27.e4+-) 27...Qg2= (worse is 27...Qf7 28.Rf7 Kf7 29.Qc2+-) 28.Qg2 Bg2 29.Kg2 Rb1 30.Rb7 Rb3 (30...Rf1!? 31.Kf1 Nd7=) 31.Be1+= Nd7 32.Bg3 Rd3 (32...Re3? 33.Rd1+-) 33.Bf4 Rf8 34.Kf3 (34.Kf2 Ne5 35.Ke2+=) 34...Ne5+= 35.Ke2 Rd7 36.Rb6 (36.Rd7 Nd7 37.Rd1 e5+=) 36...Nc4+= 37.Re6 Rd2 38.Kf3 Rb2 (38...Ra2 39.Rc1 Ra4 40.Ke2+=) 39.Rd1 (39.Ra1 Kf7 40.Ra6 Re8+=) 39...Rb4 40.Re7 (40.Kg3!? Ra4 41.Bh6+/–) 40...Ne3= (worse is 40...Ra4 41.Rdd7 Rf6 42.Kg3+-) 41.Ke3 Rff4 42.Rd8 Rf8 43.Rdd7 Rb8?? (43...Rh4 44.Ra7 Rh3 45.Ke2 c4 46.Ra5 c3-/+) 44.Rg7+/– Kh8 45.Rh7 Kg8 46.Rdg7 Kf8 47.Rg6 Re8 48.Kf3 Ree4 49.Ra6 (49.h5 Rf4 50.Kg3 Ra4 51.Rh8 Ke7 52.Rg7 Kf6+/–) 49...Rf4+/– 50.Kg3 Kg8 (50...Rg4 51.Kh3 Kg8 52.Rhh6+/–) 51.Raa7 (51.Re7 Kf8 52.Rc7 Rg4 53.Kf3 Rgf4 54.Kg2 Rg4 55.Kf2 Rgf4 56.Kg1 Rg4 57.Kh2 Rh4 58.Kg3 Rhg4 59.Kh3 Rh4 60.Kg2 Rhg4 61.Kf3 Rgf4 62.Ke3 Rbe4 63.Kd2 Rd4 64.Ke1 Rde4 65.Kd1 Rd4 66.Ke2 Rde4 67.Kd3 Rd4 68.Kc2 Rc4 69.Kb2 Rb4 70.Kc3 Rbc4 71.Kb3 Rb4 72.Kc3 Rbc4 73.Kd3 Rfd4 74.Ke2 Rc2 75.Ke3 Rc3 76.Ke2 Rc2 77.Ke3 Rc3 78.Ke2 Rc2=) 51...Rg4 52.Kh3 (better is 52.Kf3!?+/–) 52...Rg6= 53.Rhc7 Rb3 ½–½. Toporov,V (2215) – Loskutov,O (2380), Petroff Mem Open, 2000. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6 6.Be2 Bb7)

7.0-0 d6

8.a3 Nbd7 9.d3 a5 10.Nbd2 ab4 11.ab4 Ra1 12.Qa1 Qa8 13.Qb1 c5 14.b5 d5 15.c4 Qb8 16.Ne5 Ne5 17.fe5 Nd7 18.d4 e6 19.Nf3 Qc7 20.Rc1 Ra8 21.cd5 Bd5 22.e4 Ba2 23.Qc2 Bh6 24.Ra1 Be3 25.Kf1 Qb7 26.Bc3 Qa7 27.Qd3 cd4 28.Nd4 Bd4 29.Qd4 Nc5 30.Bb4?? Qa4?? 31.Bc5+- bc5 32.Qc5 Qe4+= 33.Qc6 Qa4 34.Bd1?? Bc4–+ 35.Ke1 Qa1 36.Qc4 Qe5 37.Be2 Rb8 38.Qc6 Qd5 39.Qc7 Qb7 40.Qc4 Qb6 41.g3 Rd8 42.Kf1 Rd4 43.Qc8 Kg7 44.Qc6 Qc6 45.bc6 Rd6 46.Bb5 Kf8 47.Ke2 Rd5 48.Ba6 Rc5 49.Bb7 Ke7 50.Kd3 Kd6 51.h3 Rc6 52.Bc6 Kc6 53.Ke4 Kd6 54.Kf4 f6 55.Ke4 e5 56.g4 Ke6 57.h4 f5 58.gf5 gf5 59.Kf3 Kd5 60.Ke3 f4 61.Kf3 Kd4 62.h5 h6 63.Kg4 Ke3 64.Kf5 f3 65.Ke5 f2 66.Kd5 f1Q 67.Ke5 Qh3 68.Kd5 Qh5 69.Kc4 Qe2 70.Kc3 Qd2 71.Kc4–+ Qd4 72.Kb5 ½–½. elsh1403 – rufusek1980 (1760), kurnik, 2012.

8.c4 c5 9.b5 Nbd7 10.a4 e5 11.fe5 de5 12.Ne5 Ne5 13.Be5 Ne4 14.Bg7 Kg7 15.Bf3 Rb8 16.d3 Ng5 17.e4?? Qd4–+ 18.Kh1 Rbd8 19.Nd2 Qd3 20.Ra2 Rfe8 21.Qe1 h6 22.Qa1 f6 23.h4 Nf3 24.Rf3 Re6?? 25.Rd3+- Rd3 26.Nf3 Be4 27.Rf2 Bf3 28.Rf3 Rd4 29.g3 Rde4 30.Qc3 g5 31.hg5 hg5 32.a5 Rd4 33.ab6 ab6 34.Re3 Red6 35.Re7 Kg6 36.Qe3?? Rd1=+ 37.Kg2 R1d4?? 38.Re8 g4 39.Qe1 Rd2 40.Re2 R2d4 41.Re4 Rd2= 42.Re2 R2d4 43.Qb1 f5 44.Qb2 Rc4 45.Qe5 Rcd4 46.Qe8 Kf6 47.Qf8 Kg6 48.Qg8 Kf6 49.Qh8 Kg6 50.Qg8 Kf6 51.Qh7 Rd2 52.Qh6 Kf7 53.Qh7 Kf6 54.Rd2 Rd2 55.Kf1 Ke5 56.Ke1 Rd4 57.Qe7 Kd5 58.Qf6 Kc4 59.Qf5 Kb5 0–1. lllllll21 – udechile (1615), kurnik, 2012.

8.c4 c5 9.b5 Nbd7 10.Qe1 e5 (10...a6 11.ba6 Ra6 12.Nc3=) 11.f5 (better is 11.fe5!? Ne8 12.Qg3+/–) 11...e4 12.Ng5 h6 13.Nh3 g5 14.a4 a5 15.Na3 Qe7 16.Nf2 Ne5 17.Nd1 d5 18.Qg3 Nd3 19.Bd3 ed3 20.cd5 Bd5 21.Nc3 Bb7 (21...Bb3!?+=) 22.Nc4= Ne4 23.Ne4 Bb2 24.Nb2 Qe4 25.Rf2 c4 (25...Rfd8 26.h4 Qb4 27.Rb1=) 26.Nd1 (26.Qc7 Rfb8 A) worse is 27.Nc4 Rc8 28.Qb6 Rc4 29.Qh6 A1) 29...Ra4?? 30.Ra4 (30.Qg5?! Kf8 31.Ra4 Qa4=) 30...Qa4 31.f6 (31.Qg5?! Kf8+=) 31...Qa1 32.Rf1 Qf6 33.Qf6+-; A2) 29...Qh4 30.Qh4 gh4=; B) 27.Qc4?! Qe5 28.Qb3 Be4+/–; C) 27.Qb6+-) 26...Qe7= 27.f6 Qc5 28.Nc3 Rfe8 29.Raf1 Re5 30.Qh3 Kh7 31.Qd7 Bd5 32.Rf5 Be6 33.Re5 Qe5 34.Qc6 Rb8 35.Rf3 Kg6 36.h3 h5 37.Kf2 h4 38.Ke1 Qh2 39.Qe4 Kh6 40.Rf1 Qg3 41.Kd1 Qd6 42.Ke1 Qg3 43.Rf2 Qd6 44.Qf3 Rg8 45.Rf1 Rg6 46.Qa8 Kh7 47.Qf3 Kh6 48.Rf2 Rg8 49.Rf1 Rg6 50.Qc6 Qa3+= 51.Ne4 Qa1 52.Kf2 Qe5 53.Kg1 Kh7 54.Nc3= g4 55.Rf4 gh3 56.Rh4 Rh6 57.Rh6 Kh6 58.Qb6?? Qg3–+ 59.Qc6 h2 60.Kh1 Qe1 ½–½. Sale,Srdjan (2385) – Houska,Jiri (2180), Split CRO, 2nd Open, 2012. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6)

8.c4 Nbd7 9.a4 c5 10.b5 e6 11.d4 Qe7 12.Nc3 Rac8 13.Qb3 cd4 14.ed4 d5?? 15.Ba3+/– dc4 16.Bc4 Qe8 17.Bf8 Bf8 18.d5 ed5 19.Nd5 Nd5 20.Bd5 Bd5 21.Qd5 Nc5 22.Ne5 Bg7 23.Rae1 Rd8 24.Qa2 Be5 25.fe5 Qd7?? 26.a5 Qd4 27.Kh1 Nd3?? 28.Qf7 Kh8 29.Qf6 Kg8 30.Re2 Nc5 31.Qf7 Kh8 32.e6 Ne4 33.e7 Ng3 34.hg3 Rg8 35.Qg8! Kg8 36.Rf8 Kg7+- 37.e8Q Qd1 38.Kh2 Qd5 39.Rf7! Kh6 40.Qe3 g5 41.Qe6 Qe6 42.Re6 Kh5 43.Rg7 h6 44.Kh3 ba5 45.g4# 1–0. lllllll21 (1635) – carlosaugusto, kurnik, 2011.

8.c4 Nbd7 9.Qb3 a6 10.Nc3 c5 11.a3 Qc7 12.Rad1 Rac8 13.d4 cd4 14.ed4 e6 15.d5 ed5 16.Nd5 Nd5 17.Bg7 Kg7 18.Qb2?? Kg8?? 19.cd5+= b5 20.Rc1 Qb6=+ 21.Kh1 Bd5 22.Nd4 Bc4 23.Bf3? Rfe8?? 24.Rfd1 d5 25.h3 Qf6 26.Qf2? Qf4–+ 27.g3 Qe3 28.Qg2?! Ne5 29.Bd5 Bd5 30.Qd5 Rc1 31.Rc1 Qc1 32.Kg2 Qd2 33.Kh1 Nd3 (33...Nd3 34.Qg2 Nf2 35.Kh2 Re1–+; 33...Ng4 34.Qf7 Kf7 35.Nf3 Re1 36.Ne1 Qh2#) 0–1. elsh1403 – ichimary, kurnik, 2012.

8.c4 Nbd7 9.Nc3 c5 10.a3 a5 11.Qb3 Ne4 12.d4 Ndf6 13.d5 Nc3 14.Bc3 Ne4 15.Bg7+/– Kg7 16.Qb2 Kg8 17.Bd3 Nf6 18.e4 ab4 19.ab4 Ng4 20.h3 Nf6 21.e5 Ra1 22.Ra1 Nh5 23.bc5 Nf4 24.Be4 dc5 25.g3 Nh3 26.Kh2 Bc8 27.Rh1 Bg4 28.Nh4 Ng5 29.Qc2? Ne4 30.Qe4=+ Bd7 31.Qf4 e6 32.Qh6 Qa8 33.Nf3 f6 34.Kg2 Qa2 35.Nd2 Rf7 36.ef6? e5 37.Re1 Qb2 38.Qg5 Bf5+= 39.Re5?? Qe5–+ 40.Nf3 Qf6 41.Qf4 Bd7 42.Qb8 Kg7 43.Qf4 Qf4 44.gf4 Rf4 45.Kg3 Rc4 46.Ne5 Rc3 47.Kf4 Bf5 48.d6 b5 49.d7 Bd7! 50.Nd7 b4 51.Ke4 b3 0–1. elsh1403 – wengryboy (1720), kurnik, 2011.

5.Nf3 c6

6.a3 a5 7.b5 d6 8.a4 Nbd7 9.Na3 (9.Be2 cb5 10.Bb5 Nc5=) 9...Nc5 10.c4 e5 (10...Bf5 11.Bf6 Bf6 12.d4+=) 11.fe5= de5 (11...Ng4!?=) 12.Be5+= Re8 13.Bd4 (13.d4 Ncd7+=) 13...Nfe4 14.Bg7 Kg7 15.Nb1 Bg4 16.Ra3 Ng5 17.Qe2?? (better is 17.h4 Nge4 18.Be2+=) 17...Qf6–+ 18.d4 Nf3 19.gf3 Bf3 (19...Bf3 20.dc5 Be2 21.Be2 Qh4 22.Kd2 cb5 23.cb5 Rad8 24.Bd3 Qf2 25.Kc1 Qe3 26.Kc2 Qc5 27.Rc3 Qd4–+) 0–1. Sykora,Ondrej – Vavra,Jan, CZE–chT2, 1995. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

6.Be2 Qb6 7.Bc3 d6 8.a4 Nd5 9.Bg7 Kg7 10.c3 a5 11.b5 Bf5 12.Nd4 Be4 13.0-0 e5 14.fe5 de5 15.Nf3 Bf3 ½–½. Bevilacqua,Roberto – Ratti,Ruggero (2335), Mendrisio op, 1988. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6)

6.Be2 d5 (--> 5.Nf3 d5 6.Be2 c6).

6.Be2 d5 7.0-0 Bg4 (--> 5.Nf3 d5 6.Be2 Bg4 7.0-0 c6).

5.Nf3 d5

6.c4 dc4 7.Bc4 Nbd7 8.0-0=.

6.c4 e6 7.d4 Bd7 (7...Nbd7 8.Nbd2=) 8.Nc3 a6 (8...Qe7 9.Qb3=) 9.Bd3 (9.Ne5=) 9...b5 (9...dc4!? 10.Bc4 b5=) 10.cb5+= Bb5 (10...ab5 11.Nb5 Na6 12.a3+/–) 11.Nb5+/– ab5 12.Bb5 c6 (12...Ne4 13.0-0+/–) 13.Bd3 Na6 (13...Qd6 14.a3+/–) 14.a3+- Ng4 (14...Qd6 15.Ne5+-) 15.Ne5 (15.Qe2!? Qb6+-) 15...Ne3+/– 16.Qe2 Be5 (16...Nc4 17.Bc4 dc4 18.Qc4+/–) 17.fe5+- (17.de5?! Qb6+=; < 17.Qe3 Bg7+=) 17...Nc4 (17...Qg5 18.g3 (18.Ba6?! Ng2 19.Kd1 Ne3 20.Ke1 Ng2 21.Kd1 Ne3 22.Ke1 Ng2 23.Kd1=) 18...Nc4 19.Bc4 dc4 20.Rc1+-) 18.Bc4 dc4 19.0-0 Qd5 (19...c3 20.Bc3 Nc7 21.Bb2+-) 20.Rac1 Nc7 (20...c3 21.Bc3 Nc7 22.Bb2+-) 21.Rc4 (21.Qc4 Ra6+-) 21...Ne8 (21...Rfd8 22.Rc5 Qd7 23.Qc4+-) 22.Rc5 (22.Rfc1 Qb5+-) 22...Qb3 (22...Qd7 23.Rfc1+-) 23.Rc6 (23...Ng7 24.Rc3+-) 1–0. Wall,Bill – Katex, internet, 2005.

6.c4 Be6 7.c5 a6 (7...Nbd7 8.Nc3=+) 8.Be2= b5 (8...a5 9.b5=) 9.cb6 (9.0-0 Bd7=) 9...cb6 10.d3 Nc6 11.a3 Ng4 12.Bg7 Ne3 ( 12...Kg7!? 13.Qc1 Rc8 14.Qc3 f6=) 13.Qd2+/– Ng2 14.Kf1 Bh3? (14...Kg7 15.Kg2 d4 16.Nc3+/–) 15.Ng5 (15.Bf8 Qf8 16.Kf2 Qg7+-) 15...Qd7 (15...Ne3!? 16.Ke1 Kg7 17.Qe3 Bg2+/–) 16.Bf8+- (16.Nh3 Qh3 17.Bb2 Ne3 18.Kf2 Qg2 19.Ke3 Qh1=+) 16...Nd4 (16...Nf4 17.Kf2 Ne2 18.Qe2 Rf8 19.Qe3 Qf5 20.Ke1+-) 17.Nc3 (17.Kf2 Nb3 18.Qc3 Rf8 19.Qb3 Nf4 20.Nd2+-) 17...Nb3+/– 18.Qb2 Na1 19.Nd5 (19.Bh6 d4 20.Qa1 Nf4 21.Kf2 dc3 22.Qc3+-) 19...Ne3?? ( 19...Nf4 20.Nh3 Qh3 21.Ke1 Qh4 22.Kd1 Rf8 23.Nf4 Qf4 24.Qa1 Rd8+/–) 20.Kf2+- Nf5 21.Ne7! (21.Nh3?! Qd5 22.Bf3 Qd3 23.Ba8 Qe3 24.Kg2 Nh4 25.Kf1 Qh3 26.Kf2 Nf5 27.Be7 Ne7 28.Qa1 Qh4 29.Kf3 Qh3 30.Ke2 Qg4 31.Kd3 Qf4+-; 21.Qa1 Qd5 22.Nh3 Rf8+/–; 21.Ra1?! Rf8 22.Nb6 Qd6+-; 21.Nb6 Qc6 22.Nh3 Qh1 23.Na8 Qh2 24.Ke1 Qh3 25.Qa1 Qg3 26.Kd2 Qe3 27.Ke1 Qg3 28.Kd2 Qe3 29.Ke1 Qg3=) 21...Kf8 (21...Qe7 22.Be7) 22.Nf5 (22.Nh3?! Ne7 23.Kg2 Re8 24.Ra1 Kg8+-; 22.Ra1?! Nd4 23.Re1 Be6 24.Ne6 fe6+-) 22...Qf5 23.Qh8 (23.Qa1?! Qf4 24.Ke1 Qh4 25.Kd1 Kg8 26.Nh3 Qh3+-; 23.Ra1?! Qf4 24.Nf3 f6+-) 23...Ke7 24.Qa8 (24.Qa1?! Qf4 25.Bf3 Qh4 26.Ke2 Re8 27.Nh3 Qh3+-) 24...Qf4 25.Qf3 ( 25.Nf3 Nc2 26.Qb7 Kf8 27.Qb6 Kg8+-) 25...Qh4 (25...Qg5 26.Ra1 Bg2 27.Qe3 Qe3 28.Ke3 f5+-) 26.Qg3 Qd4 27.Qe3 Qe3 1–0. Meybohm,Dirk – Zylla,Johannes, 1991.

6.c4 Be6 7.Ng5 Bg4 8.Be2 Be2 9.Qe2 Nc6 10.a3 Qd7 11.0-0 Rfd8 12.c5 b6 13.cb6 cb6 14.d3 Rac8 15.Nd2 a5 16.Rab1 d4 (16...ab4 17.ab4 b5 18.Ndf3+=) 17.b5 (17.Nc4 Nd5 18.e4+=) 17...Na7 18.Nc4 Qg4 (worse is 18...Nb5 19.Nb6 Qg4 20.Qg4 Ng4 21.Nc8 Rc8 22.ed4 Nd4 23.Rfe1+/–) 19.Rf3 Rb8?? (better is 19...Nd5 20.Qf2 Nb5+=) 20.Nf7!+- Rd5 (20...Kf7 21.Ne5 Double attack) 21.Nfe5 Qe6 22.a4 de3 23.Re3 Rc8?? (23...Qf5+-) 24.Ng6! Qf7 (24...hg6 25.Re6 Discovered attack) 25.Ne7 Kh8 26.Nc8 (26.Nc8 Nc8 27.Bf6 Bf6 28.Re8 Kg7 29.Rc8+-) 1–0. Nielsen,Aa (1975) – Lindestrom,Amalie Heiring, 22nd North Sea Cup, Esbjerg DEN, 2007.

6.c4 Bg4 7.cd5 Nd5 8.Bg7 Kg7 9.a3 c6 10.Be2 e6 11.0-0 Qf6 12.Ne5 Be2 13.Qe2 Qe7 14.Nc3 Nd7 15.Nf3 Rad8 16.Nd5 ed5 17.Nd4 Nf6 18.f5 Ne4 19.d3 Nc3?? 20.Qb2?? Qe3–+ 21.Kh1?? Qd4 22.f6 Kg8 23.Qd2 Kh8 24.Qh6+= Rg8 25.Rf3 Ne4?? 26.de4 Qa1 (26...Qa1 27.Qc1 Qc1 28.Rf1 Qf1#) 0–1. lllllll21 (1610) – kazik2002, kurnik, 2012.

6.Be2 Na6 7.a3 c5 8.b5 (better is 8.Ba6!? c4 9.Bb7 Bb7 10.0-0+=) 8...Nc7= 9.c4 b6 10.0-0 Qe8 (10...a6 11.a4+=) 11.a4 Bb7 12.Ne5 Nd7 13.Bf3 Ne5 14.fe5 Rd8 15.Qe2 Ba8 16.d4 Ne6 17.Bg4 (17.cd5 Bd5 18.Bd5 Rd5+=) 17...Ng5= 18.Nd2 h5 (18...dc4 19.Nc4 cd4 20.Bd4=) 19.Bf3 Nf3 20.Nf3 Bh6 (20...dc4 21.Qc4 Bd5 22.Qe2 cd4 23.ed4=) 21.Rad1 (21.cd5!? Bd5 22.e4+/–) 21...dc4= 22.Nd2 (worse is 22.Qc4 Be3 23.Kh1 Bd5-/+) 22...Bd5 (22...a6 23.Nc4 (worse is 23.ba6 Qa4 24.Nc4 Qa6 25.dc5 bc5-/+) 23...ab5 24.Nb6 cd4 25.ed4 ba4 26.d5=) 23.e4+= Be6 24.d5 (worse is 24.Nc4 Bg4 25.Qc2 Bd1 26.Rd1 cd4–+) 24...Bg4 25.Nf3 a6 26.ba6 Qa4 27.Ra1 Qb3 28.Ra3 Qb4 29.a7 Ra8 30.Rfa1 Rfc8 31.Bc3 Qb5 32.Qa2 (32.h3 Bf3 33.Qf3 Qe8=) 32...Qd7 (32...Bf3 33.gf3 Qd7 34.Ra6+=) 33.Ra6 (33.e6 fe6 34.Ne5 Qc7 35.Ng4 hg4 36.Qc4 Bf4=) 33...b5 (better is 33...Bf3 34.gf3 b5+=) 34.Be1 (better is 34.e6 fe6 35.Ne5+=) 34...Bf3 35.gf3 Qh3 (35...Be3 36.Bf2 Bd4 37.Bd4 cd4 38.Qd2=) 36.Qe2 b4 37.Qc4? (better is 37.e6!?+=) 37...Qf3 (37...Be3 38.Bf2 Bf4 39.Bg3 Bg3 40.hg3 Qg3 41.Kf1 Qf3 42.Ke1 Qg3 43.Ke2 Qh2 44.Ke3 Qe5 45.R1a5–+) 38.Bf2 (38.R1a2-/+) 38...Kh7 (better is 38...Bf4!? 39.e6 Bh2 40.Kh2 Qf2 41.Kh1 Qh4 42.Kg2 Qg4 43.Kh2 f5–+) 39.Rc6 Qg4 40.Kf1 Rc6 41.dc6 Qf3 42.Qc5 Qh1 43.Bg1 Qf3 44.Qf2 Qd3 45.Qe2 Qc3-/+ 46.Rb1 Qc6 47.Rb4 Qc1 48.Qe1 Qf4+= 49.Qf2 Ra7-/+ 50.Qf4 Ra1 51.Kg2 Bf4 52.Rb7 Bg5 53.Bc5+= Ra2 54.Kg3 Re2 55.h4 Rc2 56.Bb4 Bd2 57.Be7+= Be1 58.Kf3+/– Rc8? 59.Bf6?? Kg8+= 60.Ke2 Bc3 61.Kd3 Ba5 62.Kd4 Bd8 63.Kd5 Bf6 64.ef6 Rd8 65.Kc6 Re8= 66.Re7 Rf8? 67.Kd7+- g5 68.hg5 h4 69.Re5 h3+= 70.Rb5 Ra8 71.Rb3 h2 72.Rh3 Ra2 73.Kd6 Rd2 74.Ke5 Rf2 75.Kd4 Rg2 76.e5 Rb2 77.Ke4 Re2 78.Kf4 1–0. Sundin,Thommy – Vireros,Roberto, Sweden, 1987.

6.Be2 Bf5 7.0-0 Qc8 8.Nd4 Bd7 9.a4 a5 10.b5 c5 11.Nf3 Bf5 12.c4 Rd8 13.cd5 Nbd7 14.Nc3 Nb6 15.Qb3 e6 16.de6 Be6 17.Qc2 Bf5 18.Qc1 Qc7 19.Nd1 Rac8 20.Re1 Qd6 21.Be5 Qe7 22.Nf2 c4 23.Qb2 Qb4 Attacks the backward pawn on d2 24.Qb4 ab4 25.a5 Nbd5 26.b6 (26.a6 ba6 27.ba6 c3 28.dc3 bc3+-) 26...b3 (26...Ne4 27.Ne4 Be4 28.Ng5=) 27.a6+- ba6 28.b7 Rc6 29.b8Q (29.Nd4 Rb6 30.Nf5 gf5 31.Bc4 Rb7+-) 29...Rb8+= 30.Bb8 Nd7 31.Be5 Be5 32.Ne5 Ne5 33.e4 Nf4 34.ef5 gf5 35.Bf1 f6 36.Rac1 a5 37.d4 b2 38.Rb1 (38.de5?! bc1Q 39.Rc1 fe5 40.Rc4 Rc4 41.Bc4 Kg7=) 38...c3 39.de5 fe5 40.g3 (40.Re5? c2 41.Rb2 c1Q 42.Rb8 Kg7–+) 40...a4 (40...Ng6 41.Nd3 Rb6+-) 41.gf4 a3 42.Nd3 c2 43.Rbc1! (43.fe5? cb1R 44.Rb1 a2 45.Rb2 a1Q–+) 43...e4 (43...bc1Q 44.Rc1 Combination; 43...bc1R 44.Rc1 Combination; 43...bc1B 44.Rc1 Combination; 43...bc1N 44.Rc1 Combination) 44.Nb4 Kg7 45.Nc6 a2 Black plans b1 46.Nb4 (46.Rc2?! a1Q 47.Rce2 b1Q 48.Rb1 Qb1+=) 46...b1Q 47.Nc2 (47.Nc2 Qb8 48.Ra1 Qf4 49.Ra2+-; 47.Rb1?? cb1Q 48.Rb1 ab1Q–+ (48...ab1R?! 49.Nd5=)) 1–0. Fagerbekk,Egil – Torgersen,Terje (2045), corr NM/A/3 ICCF, 2007. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bf5)

6.Be2 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 e6 10.0-0 b6 11.Ne5 c5 12.b5 Bb7 13.c4 Nbd7 14.Bf3 Qc7 15.d4 Rd8 16.Nd2 cd4 17.Bd4 dc4 18.Ndc4 Bf3 19.Qf3 Nd5 20.Nc6 Ra8 21.N4e5 Ne5 22.Be5 Qd7 23.Bg7 Kg7 24.Ne5?? Qb5=+ 25.e4 Nf6 26.Ng4 Qc5 27.Kh1 Ra3 28.Qe2 Ng4 29.Qg4 Qd4 30.e5 Ra2 31.Qg5?? Qd2 32.Qf6 Kg8 33.Rg1 Qf2 34.h4 Re2 35.h5 Re1?? 36.Re1 Qe1+= 37.Kh2 Qe3?? 38.h6+- Kf8 39.Qd8# 1–0. lllllll21 – szymonlondyn, kurnik, 2011.

7.a3 c6 8.0-0 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.b5 Bg4 12.Nc3 Nbd7 13.bc6 bc6 (worse is 13...Qc6 14.Nd4 Be2 15.Nc6 (15.Nce2?! Qc7=; 15.Qe2?! Qd6=; 15.Nde2?! e6=) 15...Bd1 16.Ne7 Kh8 17.Rd1+- (worse is 17.Nd1 Re8-/+)) 14.Nd4 Be2 15.Qe2 Ra8 16.Nf3 Nc5 17.Ne5 Ne8 18.d4 Na4 19.Qf3 Nc3 20.Bc3 Nd6 21.Nd3 Ne4 22.Bb4 e6 23.g4 f5 24.h4 Ra2 25.gf5 ef5 26.Qd1 Qd8 27.Be1 h5 (27...Qa8 28.h5-/+) 28.Qb1 (28.Nb4 Rb2 29.Nc6 Qe8=) 28...Qa8 29.Ne5 Ra1 30.Qb4 Bf8 31.Qb6 Ra6 32.Qc7 Ra7 33.Qb6 Ra6 34.Qc7 Ra7 35.Qc6 Qc6 36.Nc6 Rc7 37.Nb4 Bb4 38.Bb4 Rc2 39.Ra1 Re2 40.Ra5 Re3-/+ 41.Rd5 Rg3 42.Kf1 Rf3 43.Ke2 Rf4 44.Rd8 Kf7 45.Be1 Ke7 46.Ra8 Nd6 47.Kd3 Rf3 48.Ke2 Rb3 49.Bd2 Ne4 50.Be3 Nc3 51.Kd2 Nb1 52.Ke2 Nc3 53.Kd2 Nd5 54.Bg5 Ke6 55.Rg8 Kf7 56.Rc8 Ke6 57.Rc6 Kf7 58.Rc5 Ke6 59.Rc6 Kf7 60.Rd6 Nb6 61.Kc2 Rb2 62.Kc3 Rb1 63.Rf6 Kg7 64.Rd6 Kf7 65.d5 Rb5 66.Kd4 Kg7 67.Bd8 Nc8 68.Rc6+= Rb8 69.Ke5 Na7 70.Bf6 Kg8 71.Rc7+/– Nb5 72.Rg7+- Kf8 73.Rg6 Nc3 74.Bg5 Rb5?? 75.Rd6 Kf7+/– 76.Rd7 Kg6 77.Kd4 Ne4 78.Rd8 Ng5 79.Rg8 Kf6 1–0. Schmitz,Juergen – Starp,Klaus, Ruhrgebiet VK3, 1998. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5)

7.a3 Bf5 8.0-0 Nbd7 9.Nd4 ab4 10.ab4 Ra1 11.Ba1 Nb6 12.Nf5 gf5 13.d3 e6 14.Nd2 Qd6 15.Be5 Qb4 16.Nb3 c6 17.Kh1 Ra8 18.Bf3 Nbd7 19.Bb2 Nc5 20.Nc5 Qb2 21.Nb3 Ra2 22.Nd4 c5 23.Ne2 Qc2 24.Qc2 Rc2 25.Rb1 Ng4 26.Bg4 fg4 27.Ng3 Rc3 28.Rd1 b5 29.f5 b4 30.e4 Be5 31.Ne2 Rc2 32.Nc1 c4 33.ed5 ed5 34.d4 Bf4 35.g3 Bc1 36.Re1 Kg7 37.Re7 b3 38.Rb7 b2 39.Rb6 Be3 40.f6 Kg6 41.h4 gh3 42.g4 Rc1 43.Kh2 b1Q 44.Rb1 Rb1 45.Kh3 Kg5 46.Kg3 Bf4 47.Kf3 c3 48.Ke2 c2 49.Kd3 c1Q 50.Ke2 Rb2 51.Kd3 Qe3# 0–1. lllllll21 – vladimi37 (1760), kurnik, 2011.

7.b5 Nbd7 8.0-0 c5 9.bc6 bc6 10.Nc3 (10.Na3 c5=) 10...Qc7 11.Rb1 Nc5 (11...Ba6 12.d3=) 12.Ne5 (12.Ba3 Nce4 13.Ne4 de4=) 12...Ba6 (12...Rb8 13.d4 Nce4 14.Ne4 Ne4 15.Bd3=) 13.Ba3 (13.d3 Rab8=) 13...Nfe4 (13...Be2 14.Qe2 Ne6 15.Qf3=) 14.Bc5 Nc5 (14...Be2 15.Qe2 Nc5 16.d4=) 15.d4 Be2 16.Qe2 Nd7 (16...Ne6 17.Rb3=) 17.Na4 Be5 (17...Rab8 18.Nd7 Qd7 19.Nc5+=) 18.fe5 c5 19.Rb5 Rab8 20.Rfb1 (20.e6 Rb5 21.ef7 Rf7 22.Qb5 cd4 23.Qd5 Nf6 24.Qd4 Qc2+=) 20...e6= 21.c3 (21.a3 Rb5 22.Rb5 cd4 23.ed4 Rb8=) 21...cd4 (21...Rb5 22.Rb5 cd4 23.ed4+= (< 23.cd4 Qc1 24.Kf2 f6-/+)) 22.ed4 Rb5 23.Rb5 Rb8 24.Qb2 (24.a3 Rb5 25.Qb5 h6=) 24...Rb5 25.Qb5 f6 26.ef6 Kf7 27.g3 Kf6 28.Kf2 g5 29.Nc5 (29.a3 g4=) 29...Nc5=+ 30.dc5 Qe5 (30...Ke7 31.c4=+) 31.Qa5= ½–½. Kruimer,Wim – Lacassagne,Jean, corr TKM/A008, 1999.

7.b5 Nbd7 8.0-0 Nc5 9.h3 Nce4 10.Qe1 (10.d3 Ng3 11.Rf2 Qd6+=) 10...Nd6 (better is 10...Ng3!-/+) 11.Na3 Qe8 12.Rb1 Nd7 13.Bg7 Kg7 14.c4 dc4 15.Nc4 Nc4 16.Bc4 e5 17.f5 Qe7 18.Qg3 h6 19.fg6 fg6 20.Nh4 Qe8?? (better is 20...Qg5 21.Qg5 hg5 22.Rf8 Nf8+/–) 21.Rf7!! (21.Rf7 Rf7 22.Qg6 Kf8 23.Bf7 Qf7 24.Rf1 Qf1 25.Kf1+-) 1–0. Puls,Thomas (2220) – Meissner,Felix (2125), Oberliga Ost–A, 2009. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5)

7.b5 Bf5 8.0-0 c5 9.a4 Nbd7 10.d3 Qb6 11.Nh4 Bg4 (11...Qe6 12.Nf5 Qf5 13.Bf3=) 12.Re1 (better is 12.Bg4!? Ng4 13.Qg4 Bb2 14.Ra2+=) 12...Be2= 13.Qe2 Rac8 14.Nd2 c4 15.Bd4 cd3 16.cd3 Nc5 17.Nhf3 Nfd7 18.Bg7 Kg7 19.d4 Ne4 20.Ne4 de4 21.Ne5 Ne5 22.fe5 Qe6 23.Rec1 Qb3 24.Qe1 Rc1 25.Qc1 b6 26.h3 h6 27.Kh2+= h5 ½–½. Rhodes,John D (2400) – Klausen,Tor_Arne (2470), Ken Messere Memorial, 2007.

7.b5 Bf5 8.0-0 c5 9.Nh4 e6 10.Nf5 ef5 11.c4 d4 12.Bf3 Qb6 13.ed4 cd4 14.d3 Nbd7 15.Nd2 Rfe8 16.a4 Nc5 17.Nb3 (17.Bd4 Ng4 18.Bc5 Qc5 19.Kh1 Nf2 20.Rf2 Qf2–+) 17...Nb3 18.Qb3 Bf8 19.Rae1 Bb4 20.Re8 Re8 21.Qd1 Ne4 (21...Re7 22.Kh1+=) 22.Bc1 (22.de4!? fe4 23.Bg4+=) 22...Nc5 23.g3 Qd6 24.Kg2 Bc3 25.Qc2 b6 26.Bc6 ½–½. Schweer,Carsten (2305) – Schmenger,Juergen (2395), BdF, 2007.

7.b5 Bf5 8.a4 c5 9.0-0 Nbd7 10.d3 Qc7 11.Nh4 Be6 12.Qe1 Ne8 13.Bg7 Ng7 14.e4 Nf6 15.e5 Nd7 16.Bf3 ½–½. Fagerbekk,Egil (2050) – Hoeibraaten,Tormod, NM i hurtigserversjakk, 2007.

7.b5 Bg4 8.0-0 c6 9.bc6 bc6 10.c4 Nbd7 11.Na3 Rb8 12.Rb1 Nc5 (12...Bf3 13.Bf3 Qc7 14.Qc2+=) 13.Nd4 (13.Bd4 Ne6 14.Ne5 Nd4 15.ed4 Bf5 16.Rb8 Qb8=) 13...Be2 14.Qe2 Qd6 15.cd5 Na4?? (15...Qd5 16.Nc4 Ne8 17.Na5 Bd4 18.Bd4 Rb1 19.Rb1+/–) 16.Nc6 (better is 16.dc6!? makes it even easier for White 16...Ne4 17.Nab5 Qd5+-) 16...Nb2? (better is 16...Rb2 17.Nc4 Rb1 18.Nd6 Rf1 19.Kf1 ed6 20.Ne7 Kh8+=) 17.Nb5+- Qc5?! 18.Nb8 Rb8 19.Rb2 Nd5 20.d4 Qc6 21.Na7 Rb2+/– 22.Qb2 Qa8 23.Qb3 a4= 24.Qa4 Ne3 25.Rf3 Nf5 26.Rd3 Qe4-/+ 27.Qe8 Bf8 28.Rd1 Ne3 29.Rd2?? Qb1 30.Kf2 Ng4 31.Ke2 Qe4 32.Kd1 Ne3 33.Kc1 Qf4 34.g3 Qf1 35.Kb2 Nc4 36.Kc3 Nd2 37.Kd2 Qf2 38.Kd3 Qf5 39.Ke3 Qe6 40.Kf3 Qd5 41.Ke3 Qa2 42.Nc6 Qh2 43.Ne7 Kg7 44.Nf5? gf5 (44...gf5 45.Qe5 Kg6–+) 0–1. Babionyshev,Vladimir (2220) – Zhizmer,Yuri (2260), Stepichev Memorial, 2001. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5)

7.b5 Bg4 8.0-0 Nbd7 9.c4 dc4 10.Na3 Bf3 11.Bf3 Nb6 12.Bb7 Rb8 13.Bf3 e6 14.Qc2 Qd3 15.Qd3 cd3 16.Rfc1 Rfc8 17.Rab1 Nfd5 18.Bg7 Kg7 19.Bd5 Nd5 20.Nc4 Nb4 21.a3 Nc2 22.Rb3 Rd8 23.a4 Rbc8 24.Na5 f6 25.Nc4 c5 26.Nb2 Nb4 27.a5 e5 28.fe5 fe5 29.a6 e4 30.Na4 Nc2 31.a7 Re8 32.b6 c4 33.Rb5 Ra8 34.Ra5 Re7 35.Rb1 Rb7 36.Nc5 Rb6 37.Rb6 c3 38.Ne4 (38.Ne4 cd2 39.Nd2+-) 1–0. Kuhn,Ansgar T (2265) – Klein,Tobias (2145), RSS7E starter–23, 2011.

7.b5 Bg4 8.Ne5 Bf5 9.0-0 c6 10.d4 cb5 11.Bb5 Ne4 12.Nd2 Nd6 13.Bd3 f6 14.Nef3 Nc6 15.Qe2 e6 16.Ba3 Bd3 17.Qd3 Rf7 18.c4 dc4 19.Nc4 Nc4 20.Qc4 Qd5 21.Qe2 g5 22.Kh1 gf4 23.e4 Qh5 24.Qc4 f5 25.e5 Qg6 26.Bd6 Ne7 27.Be7 Re7 28.Rfd1 Kh8 29.d5 Rg8 30.Qc2 ed5 31.Rd5 b6 32.Rd6 Re6 33.Rad1 Bf8 34.R6d4 Rc6 35.Qb2 Ba3 36.Qe2 Rc3 37.Rd8 Be7 38.R8d7 Bb4 39.Qb2 Ba3 40.Qe2 Qc6 41.Nh4+/– f3 42.Nf3 Qe4 43.Qf1 ½–½. Bergmann,Stefanie – Burri,Peter (2110), 2nd Webchess Open Tournament group, 2006.

7.b5 Bg4 8.h3 Bf3 9.Bf3 e6 10.0-0 Nbd7 11.a4 c6 12.Qe2 Re8 13.d4 cb5 14.Qb5 Ra6 15.Qd3 (15.Qb7?? Rb6 16.Qa7 Rb2–+) 15...Rc6 16.Na3 Nb6 17.Nb5 Nc4 18.Bc3 Qe7 19.Rfb1 b6 20.Rb3 Rec8 21.Be1 Nd6 22.Nd6 Qd6 23.c3 Qc7 24.Qb1 Ne8 25.Be2 Nd6 26.Bd3 Bf6 27.e4 de4 28.Be4 Ne4 29.Qe4 Rc4 30.Rb5 Qd7-/+ 31.Qb1 Qd6 32.Ra2 Bd4 33.cd4 Qd4 34.Kh2 Rc1 35.Qb2 Qf4 36.Bg3 Qf1 37.Be5 f6! 38.Bf6? Qf4 39.g3 Qe4 (39...Qe4 40.Qc1 Rc1–+) 0–1. Aleshnia,Valery Valentinovic (2460) – Klugel,Jens Uwe (2535), ICCF corr W–22ch sf01, 1997.

7.b5 a4

8.0-0 c5 9.c4=.

8.0-0 c6 9.Na3 Qd6 10.Rb1 Ne4 11.Ne5 Nd7 12.d3 Nef6 (worse is 12...Ne5 13.fe5 (13.de4?! Ng4 14.e5 Qe6=) 13...Be5 14.Be5 (14.de4 Bb2 15.Rb2 Qa3–+) 14...Qa3 15.Bb2+-) 13.c4 Ne8 14.d4 c5 15.cd5 Qd5 16.Bf3 Qa2 17.Nec4 Nd6 18.Qc1 Nc4 19.Nc4 cd4?? (better is 19...a3 20.Na3 cd4+=) 20.Bd4+- Bd4 (20...e5 21.fe5 (21.Ne5?! Ne5 22.fe5 Qe6=) 21...Ne5 22.Ne5+-) 21.ed4 1–0. Eichler,Gottfried – Dressler,Manfred, DDR–chJ5 corr, 1970. (=1.f4 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

8.0-0 c6 9.Na3 Nbd7 10.c4 cb5 11.Nb5 dc4 12.Bc4 Nb6 13.Be2 Bd7 14.Ne5 Bb5 15.Bb5 Qd5 16.Be2 a3 (16...Qd6 17.Rb1=) 17.Bd4+/– Na4 (17...Nfd7 18.Bf3 Qe6 19.Nd7 Nd7 20.Bg7 Kg7 21.Bb7+/–) 18.Bc4 Qa5 19.Qb3 e6 20.Nf7 (20.Qb7 Nb2+/–) 20...Nd5? (better is 20...Kf7!? 21.Be6 Ke7+=) 21.Bg7 Kg7 (21...Rf7 22.Bd4+-) 22.Ng5 Nc5 23.Ne6! Ne6 24.Bd5 (24.Qb7 Nec7 25.Rad1 Rae8+=) 24...Nc5 25.Qc3 (25.Qc4!? Rad8 26.d4 Nd3 27.Qd3 Rd5+-) 25...Qc3 26.dc3 Na4 27.Bb7 Rab8 28.Bd5 (28.Rfb1!? Rfd8+-) 28...Nc3 29.Bb3 Rfd8 30.Rf2 Rd3 31.Re1 Re8 32.e4 Re4 33.Re4 Ne4 34.Re2 Nc5 35.Bc2 Rc3 36.Kf2 Kf6 37.Ke1 Ne6 38.Kd2 Rc6 39.Re4 Rb6 40.Ra4 Rb2 41.Ra3 Nd4 42.Ra6 Kg7 43.Ra7 Kg8 44.Kc3+- Rc2 45.Kd4 Rg2 46.a4 Rh2+/– 47.a5 h5 48.a6+= Ra2 49.Kc5 h4 50.Kb6 Rb2 51.Kc7 Ra2 52.Ra8 Kg7 53.Kb7 Rb2 54.Ka7 h3-/+ 55.Rc8 ½–½. Brand,T – Budde,U, Dortmund, 1987. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 a5 5.b5 Bg7 6.Bb2 0-0 7.Be2 a4)

8.0-0 c6 9.Na3 Bg4 10.c4 e6 11.Rb1 Nbd7 12.bc6 bc6 13.Nd4 Be2 14.Qe2 Rc8 15.cd5 cd5 16.Nab5 Ne4 (16...Nc5 17.Ba3 Qa5 18.Nd6+/–) 17.d3+= Nec5 18.Ba3 (18.Nd6 Ra8+=) 18...e5 (18...Qb6 19.Nf3 Rfd8 20.d4+=) 19.fe5+= Ne5 (worse is 19...Be5 20.Nf3 Bb8 21.d4+-) 20.Na7 Rc7 21.Ndb5 Ned3 22.Nc7 (22.Rbd1 Ra7 23.Na7 Re8+/–) 22...Qc7+= 23.Nb5 Qe5 24.Rfd1 Qe4? (better is 24...Bh6 25.Rd3 Nd3 26.Qd3 Qe3 27.Qe3 Be3 28.Kf1 Rc8+/–) 25.Nd6+- Qh4 (25...Qe6 26.Rd3 Nd3 27.Qd3+-) 26.g3 Qh3? (26...Qf6 27.Rd3 Nd3 28.Qd3+-) 27.Rd3 (better is 27.Qc2 Ne5 28.Bc5 Qh5+-) 27...Nd3 28.Qd3 Be5 (28...Qe6 29.Bc5+-) 29.Nf5! Re8?! 30.Qb5 Rd8 31.Ne7 Kg7 32.Bb2 Bb2 33.Qb2 Kh6 34.Qf6 Qe6 35.Qe6 fe6 36.Nc6 Rc8 37.Rb6 Kg5 38.h4 Kh5 39.Kg2 g5 40.Kh3 gh4 41.gh4 a3 42.Ra6 h6 43.Nd4 Rc1 44.Ne2 Re1 45.Nf4# 1–0. Ivkov,B – Cuellar Gacharna,M, Sousse, 1967. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

8.0-0 Qd7 9.Ne5 Qd8 10.d3 Nbd7 11.Nd2 e6 12.Ndf3 b6 13.Ba3 Re8?? (better is 13...Ne5 14.fe5 Ng4 15.Bf8 Bf8+=) 14.Nc6+- Bb7 15.Nd8 Red8 16.Ne5 Ne5 17.fe5 Nd7 18.d4 c5 19.c3 Ra5 20.Qe1 c4 21.Qf2 Rb5 22.Qf7 Kh8 23.Be7 Rg8 24.Bd6 Bc6 25.Bg4 Rb2 26.Be6 Nf8 27.Qg8# 1–0. elsh1403 – aidi2007, kurnik, 2011.

8.0-0 Nbd7 9.Na3 c5 10.bc6 bc6 11.d4 (11.c4 c5=) 11...c5 (11...Ng4 12.Bc1=) 12.dc5 Nc5=. Johansson,K – Pettersson,L, corr SSKK 2–65, 1985.

8.0-0 Nbd7 9.Na3 Nc5 10.c4 dc4 11.Nc4 Nce4 12.Qc2+= Nd6 13.Na3 Nfe8 (13...Bd7 14.Rac1+=) 14.Be5 (14.Bg7 Ng7 15.Rac1 Ne6+/–) 14...Bd7 15.Rab1 c6 (15...Nf6 16.d4+=) 16.bc6 Bc6 17.Qb2 (17.Bg7 Ng7 18.d4 Ngf5=) 17...f6 18.Bd4 Nc7 19.Nc2 Nd5 20.Nb4 Nb4 21.Qb4 Bd5 ½–½. Bronstein,David – Ciocaltea,V, USSR, 1969. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Be2 a5 7.b5 a4)

8.0-0 Nbd7 9.Na3 Nc5 10.c4 dc4 11.Nc4 Nce4 12.Qc2 Nd6 13.Nd6 cd6 (worse is 13...Qd6 14.Be5 Bf5 15.Bd6 Bc2 16.Be7+/–; worse is 13...ed6 14.Rac1+/–) 14.a3 Bf5 15.Bd3 Bd3 16.Qd3 d5 17.Rfc1 Qd7 0–1. Rennert,Ralf – Mamaev,Vladimir Dmitrievic, ICCF–Cup8 V034 corr, 1990. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

8.0-0 Nbd7 9.Na3 Nc5 10.Ne5 Nfe4 11.Bf3 f6 12.d4 Nd7 13.Nd3 c6 14.Qe1 f5 15.Qb4 Ndf6 16.Nc5 g5 17.Be4 fe4 18.bc6 bc6 19.fg5 Ng4 20.Rf8 Bf8 21.h3 Ne3 22.Bc1 Nf5 23.Bf4 (worse is 23.Na4 e5 24.Qb6 Qd6 25.de5 Qe5–+) 23...Bg7 24.c3 e5 25.de5 Bf8 26.g4 Ra5 27.Nb7 Bb4 28.Nd8 Bc5 (28...Ba3?! 29.gf5 Bf5 30.Nc6=; worse is 28...Bc3 29.gf5 Ba1 30.e6+=) 29.Kg2 Ne7 (29...Ba3 30.gf5 Bf5 31.Nc6+=) 30.Nc2 Bb6 31.Nc6 Nc6 32.Rb1 Bc7 33.Nd4 Rc5 (33...Ne5?! 34.Be5 Be5 35.Nc6-/+) 34.Nb5? (34.Nc6 Rc6 35.Rb4–+) 34...Be5 35.Be5 Ne5 36.Nd6 Nc4 (36...Nc4 37.Nc4 Rc4–+ (37...dc4?! 38.Kf2–+); 36...Rc3?! 37.Rb8–+) 0–1. Harding,Timothy David (2360) – Brotherton,Trevor S (1945), BCCA/2011/CanD (ENG), 2011. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

8.0-0 Bf5 9.Bd4=.

8.Na3 c5 9.bc6 bc6 10.c4 Nbd7 11.0-0 Ba6 12.Rc1 Qb6 13.Rb1 Qc5 14.Ne5 (worse is 14.Qa4 Bc4 15.Qd1 Be2 16.Qe2 Ra3-/+) 14...Ne5 15.fe5 (15.Be5? Qa3 16.Qc1 Qc1 (16...Qa2?! 17.Ra1 Qb3 18.Rb1-/+) 17.Rfc1 c5–+) 15...Ne4 16.Qc1 Bh6 17.Bd4 (better is 17.Kh1!?=) 17...Qa5-/+ 18.d3 c5 19.de4 cd4 20.Qe1 Be3 21.Kh1 Qe1 22.Rfe1 de4 23.Nc2 Bf4 24.Nd4 Be5 25.Nc6 Bd6 26.Rbc1 Bc5 27.Bd1 Bb7 28.Ne5 Bd4 29.Ng4 f5 30.Ne3 e6 31.Nc2 Bc3 32.Re2 f4 33.Kg1 f3 34.gf3 ef3 (34...Rf3?! 35.Rb1 Bc6 36.Rb6–+) 35.Re6 (35.Rf2–+) 35…f2 (35...f2 36.Kf1 Bg2 37.Kg2 f1Q 38.Kg3 Qg1 39.Kh3 Rf2 40.Rg6 hg6 41.c5 Rh2) 0–1. Papyan,Artem (2040) – Airapetian,Gor (2375), RUS–chT U26 Belgorod, 2008. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

8.Na3 c5 9.bc6 bc6 10.c4 Nbd7 11.0-0 Nc5 12.Ne5 Bd7 13.Nc2 Nfe4 14.d3 Nd6 15.Ba3 Ncb7 16.Rb1 Qc7 17.cd5 cd5 18.Nd4 Rfc8 19.Bf3 (< 19.Nd7 Bd4 20.ed4 Qd7=+) 19...e6 20.Qd2 (< 20.Nd7 Bd4 21.ed4 Qd7=+) 20...Be8 21.Rfc1 Qd8 22.Qb4 Rc1 23.Rc1 Rc8 24.Rc8 Qc8 25.Bd1 f6 26.Bg4 Nf5 27.Bf5 gf5 28.Nef3 Qd7 ½–½. Pechenkin,V (2310) – Moloney,N (2210), CICC Open, Calgary CAN, 2009.

8.Na3 c6 9.bc6 bc6 10.0-0 Nbd7 11.Rb1 Ba6 (11...Nc5 12.Qe1=) 12.c4 e6 13.Qc2 Ne4 (13...Qe7 14.Rfe1=) 14.d3 (14.Bg7 Kg7 15.Rb4 c5+=) 14...Bb2= 15.Rb2 (15.Qb2 Rb8 16.Qa1 Nd6=) Qe7 ½–½. Valls Marti,Artur (2160) – Castillo Garcia,Pau (2105), 6th Obert Ateneu Colon, 2011. (=1.f4 Nf6 2.e3 d5 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 a4)

7.b5 c5

8.0-0 a4 9.c4 Nbd7 10.Na3 Nb6= 11.Rc1 Bg4 12.h3 Be6 13.Ng5 Rc8 14.Ne6+= fe6 15.d3 Qd7 16.Bf3 d4 17.ed4+/– Ne8 18.Nc2 Rf4 19.Bg4 Rf1+= 20.Qf1 h5 21.Bf3 Nd6 22.Qe2 Nf5 23.Re1 Kf7 24.Qe4 Rc7 25.g4 Nd4 26.Nd4 Bd4+/– 27.Bd4 Qd4 28.Qd4 cd4 29.gh5 gh5 30.Bh5 Kf6 31.Bg4 e5 32.Rf1 Kg6 33.Bf5 Kg7 34.Kg2 Nd7 35.Bd7+- Rd7 36.Kf3 Kf6 37.Ke4 Ke6 38.Rf5 Rd8 39.Re5 Kf6 40.Rd5 Rg8 41.Kd4 1–0. Sorokina,V (2200) – Vilyavin,Roman, Kaissa Open, Kharkov UKR, 2003.

8.a4 b6 9.0-0 Bb7 10.Kh1 Nbd7 11.Na3 e6 12.Qc1 Rc8 13.c4 Qe7 14.Ne5 Rfd8 15.Bf3 Ne5 16.Be5 Ne8 17.Bg7 Kg7 18.Qb2 Qf6 19.Qe5 Nd6 20.Kg1 Rd7 21.d3 Nf5 22.Rae1 Rcd8 23.Nc2 Nd6 24.cd5= ed5 25.Na3 Re8 26.Qf6 Kf6 27.e4 de4-/+ 28.de4 Be4 29.Be4 Re4 30.Re4 Ne4 31.Nc4 Nd2 32.Nb6 Rd6 33.Rf2 Ne4 34.Nc8 Rd8 35.Nb6 Nf2 36.Kf2 Rd4 37.Ke3 Ke6 38.g4 Kd6 39.Nc8 Kd7 40.Na7 Ra4 41.Nc6 Rb4! 42.Ne5 Ke6 0–1. Hoffeins,Hans Werner – Colditz,Albrecht, BL2–N Germany, 1982.

8.a4 b6 9.c4 Bb7 10.0-0 Nbd7 11.Na3 e6 12.Rc1 Qe7 13.cd5 ed5 14.Qb3 Rfe8 15.Ne5 (15.f5!?=) 15...Ne4+= 16.Nf3 (16.Qd3 c4 17.Qc2 Ne5 18.fe5 c3 19.dc3 Qe5-/+) 16...c4-/+ 17.Qc2 Bb2 18.Qb2 Qb4 19.Qa2 Qa4 20.d3 cd3 21.Bd3 Nec5 22.Bc2 Qb4 23.Rfe1 d4! 24.Nd4? Re3!! 25.Re3 Qd2 (25...Qd2 26.Re2 Qc1 (26...Qd4?! 27.Rf2+=) 27.Kf2 Qf4 28.Nf3 Ne5 29.Re5 Bf3–+) 0–1. Bialas,T – Bensiek,N, WT/M\489, 1990. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.a4 Nbd7 9.0-0 Nb6 10.Qe1 Bf5 11.Bd1 Rc8 12.d3 c4 13.Nd4 (better is 13.Be2!?=) 13...cd3-/+ 14.Nf5 dc2 (worse is 14...gf5 15.cd3 Nbd7 16.Bc3+=) 15.Ng7 c1Q (15...cd1Q!? 16.Qd1 Kg7-/+) 16.Bc1= Rc1 17.Qa5 Nc4 18.Qd8 Rd8 19.Be2 (19.Bf3!? Rf1 20.Kf1 Ne3 21.Kf2+=) 19...Rf1+= 20.Kf1 Ne3 (20...Kg7?! 21.Bc4 dc4 22.a5=) 21.Kf2 d4 (21...Nc2 22.Ra2 Ne4 23.Kg1-/+) 22.Nd2 (22.a5 Kg7 23.a6 Ne4 24.Kf3 f5-/+) 22...Kg7-/+ 23.a5 Ra8 (better is 23...Nfd5!? 24.g3 Nc2+=) 24.Nb3= Nc2 25.Rc1 Nb4 26.Rc4 (worse is 26.Nd4 Ra5 27.g3 Nbd5-/+) 26...d3 27.Rb4 de2 28.Ke2 Nd5 29.Rc4 e6 30.g3 Kf6 31.Kd3 h5 32.b6 Kf5 33.Ra4 Rc8 34.Rc4 Ra8 35.Rc1 (35.h3 g5 36.fg5 Kg5+=) 35...h4= 36.Ke2 Kg4 37.Kf2 hg3 38.hg3 Rh8 39.a6 (39.a6 Rh2 40.Kg1 Kg3 41.ab7=) 1–0. Hopewell,Barry N – Dreyer,M, Latvian gam corr, 1991. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.a4 Nbd7 9.c4 dc4 10.Bc4 Nb6 11.Na3 Bf5 12.0-0 (12.Rc1!?+=) 12...Nc4-/+ 13.Nc4 Bd3 14.Nfe5 Bf1 15.Qf1 Nd5 16.Rd1 f6 17.Nd3 Qc7 18.f5 Bh6 19.fg6 hg6 20.g3 Kg7 21.Qh3 Nb6 22.Nb6 Qb6 23.Rc1 (23.Qg4!?-/+) 23...Qd6–+ 24.Nc5 (24.Qf1 Rad8 25.Rc3 c4–+) 24...Qd2 25.Ne6 Kf7 (25...Kf7 26.Nf8 Be3 27.Kh1 Qd5 (27...Qb2?! 28.Qe6 Kf8 29.Qe3=; 27...Rf8?! 28.Qh7 Ke6 29.Qh3 f5 30.Rb1–+) 28.Qg2 Qg2 29.Kg2 Bc1 (29...Kf8?! 30.Rc7+=; 29...Rf8?! 30.Rc7-/+) 30.Bc1 Rf8–+) 0–1. Van der Hart,T – Martijn, Netherlands H–class, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.a4 Bf5 9.0-0 d4 10.ed4 Nd5 11.Ne5 cd4 12.Nd3 (12.Bc4 Qb6 13.Kh1 Qc5=) 12...Nd7 13.Na3 (13.c4 dc3 14.Nc3 Nb4-/+) 13...Rc8 14.g4 Be4 15.Bf3 Bd3 16.cd3 Nc5 17.Be2 Qd6 (better is 17...Nc3!? 18.dc3 dc3–+) 18.Nc4-/+ Qc7 19.f5 Nf4 20.Rf3 (20.b6 Qb8 21.fg6 hg6+= (worse is 21...Ne2 22.Qe2 fg6 23.Qe7+=)) 20...b6 21.Qf1 Ncd3 22.Bd3 Nd3 23.Qd3 Qc4 24.Qc4 Rc4 25.fg6 (25.d3 Rb4 26.Bc1 Rc8-/+) 25...hg6 (25...fg6 26.Rf8 Kf8 27.Kf1–+) 26.Rff1? (26.d3!? Rb4 27.Rf2-/+) 26...e5 (26...d3!? 27.Bg7 Rg4 28.Kf2 Kg7 29.h3–+) 27.Rfc1 Rfc8 28.Kf1 (28.d3 Rc2–+) 28...d3 29.Rc4 Rc4 30.Bc3 (30.h3 Rc2 31.Bc3 e4 32.Bg7 Kg7–+) 30...Rg4 31.Kf2 Rc4 32.Ke3 0–1. Vargas,Oliverio – Bermudez Vives,Sergio (2220), CRI–ch Costa Rica, 1996. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.a4 Bg4 9.0-0 Nbd7 10.Ne5 Be2 11.Qe2 Ne4 12.d3 Nd6 13.Nd2 Ne5 14.Be5 f6 15.Bd6 Qd6 (worse is 15...ed6 16.Qf3 d4 17.Qd5 Kh8 18.ed4+/–) 16.c3 e5 (16...f5!?=) 17.f5+= Rad8 18.fg6 hg6 19.Nb3 b6 20.d4 c4 21.de5 fe5 22.Nd2 e4 23.Rad1 Rf1 24.Qf1 Rf8 (24...Rf8 25.Qe2 Qa3-/+ (25...Bc3?! 26.Ne4 Qe5 27.Nc3 Qc3 28.Rd5+=)) 0–1. Rennert,Ralf – Kramer,Hanspeter, ICCF World Cup8–9 prel–034, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.c4 b6 9.0-0 Bb7 10.Qc2 e6 11.Nc3 Nbd7 12.Rad1 Qc7 13.Na4 Rac8 14.Ne5 Rfd8 15.Nd7 Rd7 16.Be5 Qd8 17.Qb2 (17.d3 h6=) 17...Ne8 18.h3 (18.d3 f6 19.Bg4 Re7= (19...fe5? 20.Be6 Kh8 21.Bd7 ef4 22.Qe2 Qd7 23.Nb6+-)) 18...Re7 (18...f6 19.Bg4 Re7-/+ (19...fe5? 20.Be6 Kh8 21.Bd7+-)) 19.g4 (19.Bg7 Ng7 20.Qf6 Ne8+=) 19...f6+= 20.Bc3 Rd7 21.d4 Nd6 22.dc5 bc5 23.Qa3 Ne4 24.Be1 (24.Bf3 Nc3 (worse is 24...dc4 25.Ba5 Rd3 26.Bd8 Ra3 27.Nb6+=) 25.Nc3 f5=) 24...f5+= 25.Bf3 d4 (worse is 25...dc4 26.Rd7 Qd7 27.Nb6 Qb5 28.Nc8 Bc8 29.Qa5 (29.Ba5?! Ng3 30.Rd1 Bb7 31.Rd8 Kf7=) 29...Qa5 30.Ba5+/–) 26.Kg2 d3 27.Bd2 fg4 (worse is 27...Nd2 28.Rd2 fg4 29.Bb7 gh3 30.Kh3 Rb7 31.Qd3+=) 28.hg4 Qh4 (28...e5!?+=) 29.Be1= (29.Ba5 Qg3 30.Kh1 Qh3 31.Kg1 Ng3 32.Rfe1 Bf3 33.Rd2 Qh1 34.Kf2 Ne4) 29...Qd8 30.Rh1 (better is 30.Bd2=) 30...d2-/+ 31.Bh4 g5 32.Bg5 Ng5 33.Bb7 Rb7 34.fg5 (34.Qb3 Rd7 35.Qc2–+) 34...Qg5–+ 35.Rd2 Qg4 36.Kf1 Rf7 37.Ke1 Be5 38.Rf1 Bg3 39.Rff2 Rcf8 (39...Rcf8 40.Rd4 cd4 41.Nb6 Rf2 42.Qf8 Kf8 43.Nd7 Ke7 44.ed4 Qe2; 39...Bf2 40.Rf2 Qg1 41.Rf1 Qf1 42.Kd2 Rd8 43.Kc2 Rf2 44.Kb3 Qd3 45.Nc3 Qc2) 0–1. Kurth,Michael – Semmler,Guenter (2140), Wichern op 4th, 1997. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.c4 dc4 9.Bc4 Nbd7 10.0-0 Nb6 11.Be2 Bf5 12.a4 Nbd5 13.Na3 Nb4 14.Ne5 Nd3 15.Bc3 Nb4 16.Bf3 Be4 17.Nac4 Bf3 18.Qf3 Qd5 19.Nb6 Qf3 20.gf3 Rad8 21.Nec4 Nfd5 22.Nd5 Rd5 23.Na5 Bc3 (better is 23...Rb8!?+=) 24.dc3+/– Nc2 25.e4 Rd3 26.Rac1 (26.Nb7?! Na1 27.Ra1 Rc3+=) 26...Ne3 27.Rfe1 b6 28.Kf2 Rd2 29.Ke3 Rfd8 30.Re2 R2d3 31.Kf2 ba5 32.Rb2 e6 33.Ke2 c4 34.Rcc2 Rb8 35.Rd2 Rc3 36.Rdc2 Ra3 37.Rc4 Kf8? (37...Rb6+-) 38.b6 0–1. Orlik,Adam – Sokolik,Bogdan, Czerniak mem12 sf1 Poland, 1991. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.c4 Nbd7 9.Qc2 Nb6 10.cd5 Bf5 11.d3 Nbd5 (11...Nbd5 12.Qd2 Nb4-/+; worse is 11...Qd5 12.e4 Ne4 13.Bg7 (worse is 13.de4 Be4 14.Qc1 Bb2 15.Qb2 Qf5+/–) 13...Kg7 14.de4 Be4 15.Qc3 Kg8 16.Nbd2+-) 0–1. Schmid,Wolfgang – Krotofil,Kurt, GER–ch qgC28 corr9395, 1993. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.bc6 bc6 9.0-0 Qb6 10.Qc1 Bg4 11.Na3 Nbd7 12.Rb1 Qc7 13.c4 Rfc8 14.d3 Rab8 15.h3 Bf3 16.Bf3 Qd6 17.Bd4 Ne8 18.Rb8 Rb8 19.c5 Qc7 20.Nc2 e6 21.e4 Bf8 22.Qe3 Ng7 23.Bg4 h5 24.Be2 Qa7 25.Bg7 Kg7 26.ed5 ed5 27.d4 Nc5 28.f5 Ne4 29.Bd3 Qe7 30.Qe1 Ra8 31.a3 Ra7 32.fg6 fg6 33.Rf3 1–0. Bellette,Aaron Joseph (2190) – Ivanoff,Gilles (2025), 1st Webchess Open Tournament Semifinal, 2006.

8.bc6 bc6 9.0-0 Nbd7 10.Na3 Ne8 (10...c5 11.Rb1=) 11.Bg7+= Ng7 12.Nd4 Bb7 13.Rb1 Rb8 14.c4 e6 15.Qa4 Nc5 16.Qc2 Qe7 17.cd5 ed5 18.f5 (18.Rb2 Ba8+=) 18...gf5 19.Nf5 Nf5 20.Qf5 Ne4 21.Bd3 Bc8 22.Qf4 Rb1 23.Nb1 f5 24.Be4 (24.a3 Re8+=) 24...de4 25.Rc1 Bd7 26.Nc3 Kh8 27.Rb1 Rg8 (27...Bc8 28.Rb6+=) 28.Rb7+/– Rg6 29.Ne2 (29.Qb8 Kg7 30.Ne2 Rd6+/–) 29...Rd6 (29...Qd6!?+=) 30.Nd4 Qf6 31.Qg3 h5 32.Rb8 Kh7 33.Qg8 Kh6 34.Qh8 (34.Qc4 f4 35.Qc3 Rd5=) 34...Qh8= 35.Rh8 Kg7 (35...Kg6!?+=) 36.Rd8= Kf6 37.Kf2 (37.Rf8 Kg6+=) 37...Ke7 38.Ra8 c5 39.Nb3 a4 40.Nc5 Rd2 41.Kg3 Bc6 (worse is 41...Ra2 42.Ra7 Rd2 43.Kf4= (43.Na4? Ra2–+)) 42.Rc8 Bd5 43.Na4 h4 44.Kh4 Rg2 45.Nc3 Rg4 46.Kh3 Be6 47.Rc7 Kd8 48.Rc6 Kd7 49.Rb6 Bc4 (better is 49...Rg1!?=) 50.Rb1+/– Bd3 51.Re1 Ke6 52.a4 Ke5 53.Ne2 Be2 (53...Rg8 54.Nf4 Ra8 55.Ra1+=) 54.Re2+/– Rg1 55.Rb2 Ra1 56.Rb5 Kf6 57.Kg3 Rf1 58.Rb3 Rg1 59.Kf2 Ra1 60.Kg3 Rg1 (worse is 60...Ra4 61.Kf4 Ra5 62.Rb6 Kf7 63.h4+-) 61.Kh4 Ra1 62.Rb6 Ke5 63.Rb5 Kf6 64.a5 Ra3 65.Rb6 Ke5 66.a6 f4 (66...Re3? 67.Rb5 Kd4 68.Rb4 Ke5 69.Ra4+-) 67.Rb5 Kf6 68.ef4 Ra6 69.Kg4 Re6 70.Rb2 Re8 71.Rb6 Kf7 72.Kf5 e3 73.Rb7 Re7 74.Rb1 e2 75.Re1 Re8 76.h4 Re3 ½–½. Larsen,Bent – Simagin,Vladimir, It, Moscow, 1959. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.bc6 bc6 9.Na3 Na6 10.c4 Nb4 11.0-0 Ba6 12.Ne5 Ne4 13.d3 Nd6 14.c5 Nf5 15.Rf3 Nh6 (15...d4 16.Nc2 Nc2 17.Qc2 Ne3 18.Qd2-/+) 16.Rg3 (16.Nc2 Qe8 17.Nd4 f6+=) 16...Qc7 17.Nb1 Rfb8 18.d4 f6 19.Ng4 Ng4 20.Bg4 f5 21.Be2 Be2 22.Qe2 Rb7 23.Nc3 Na6 24.Na4 Nb8 25.Nb6 Raa7 26.Bc3 Nd7 27.Nd7 Qd7 28.a4 ½–½. Eichler,Gottfried – Fischer,Detlev, DDR–chJ5 corr, 1971. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

8.bc6 bc6 9.c4 Nbd7 10.Na3 Rb8 11.Rb1 Ne4 12.Bg7+= Rb1 13.Qb1 Kg7 14.0-0 Ndf6 15.Qb2 Bg4 16.Rb1 Kg8 17.Bf1 Bf3= 18.gf3 Nd6 19.c5 Nf5 20.Nc2 Nd7 21.d4+= e5 22.de5 Nc5 23.Qc3+/– Ne6 24.Qc6 d4 25.Rd1 ½–½. Chichkin,V (2285) – Karnaukh,A (2245), ch–Kyiv Men, Kyiv UKR, 2008.

8.bc6 Nc6 9.0-0 Qb6 10.Qc1 Bf5 11.Na3 Rac8 12.Nh4 (12.Rb1 Qc7=) 12...Bd7 13.Rb1 Qd8 (13...Nb4 14.Bc3=) 14.Bc3 d4 (14...Rb8 15.Qb2=) 15.ed4 Nd5 16.Nf3 (16.Qb2 Be6 17.Kh1 Bf6=) 16...Nf4 17.Bc4 (17.Qe1 Bg4 18.Rb7 Nd4 19.Bd4 Bd4 20.Kh1 Bc5=+) 17...Be6 18.Kh1 (18.Rb7?? Bc4 19.Qb2 Ba6–+) 18...Bc4 19.Nc4 Ne2 20.Qd1 (20.Qe1!? Nc3 21.dc3 Nd4 22.Nd4 Bd4 23.cd4 Rc4 24.Rb7 Rc2 25.Re7 Ra2 26.Rff7 Rf7 27.Re8 Qe8 28.Qe8 Kg7 29.Qe5 Rf6 30.Qe7 Kh6 31.Qe3 g5 32.h4 Ra1 33.Kh2=) 20...Ncd4-/+ 21.Ba5 Qd5 22.Nb6 Qa5 23.Nc8 Rc8 24.c3 Nf3 25.Rf3 Qa2 26.Rb7 Qe6 27.Rf2 Qe4 28.Qb1 Nc3 29.dc3 Qb1 30.Rb1 Bf6 31.Rd2 Rc3 32.Rd7 Kg7 33.Kg1 Rc2 34.Rbb7 g5 35.h3 h5-/+ 36.Rb8 Be5 37.Rbb7 Bd6 38.Kf1 Kg6 39.Rd8 Bc5 (39...Bc5 40.Rc8 Rf2 41.Ke1 Rf5=+; 39...h4!?-/+) 0–1. Edwardson,Zachariah – Sherwood,Russell, OP–2006–0-00043, 2006.

8.0-0 Nbd7

9.a3 b6 10.Nc3 Bb7 11.d4 Rc8 12.Ne5 cd4 13.ed4 (< 13.Qd4 Ne5 14.fe5 Nd7-/+) 13...Qc7 14.Rc1 h5 15.Na4 e6 16.c4 dc4 17.Nc4 Qd8 18.Re1 Nd5 19.Bf3 Ba8 20.g3 N7f6 21.Qb3 h4 22.Re2 Nh5 23.Bh5 gh5 24.Rec2 Rb8 25.Ne5 Rb7 26.Qf3 hg3 27.hg3 h4 28.Rh2 hg3 29.Qg3 Qf6 30.Rh4 Qf5 31.Rg4 Qh7 32.Nc3 Nc3 33.Bc3 f6 34.Ng6 Re8 35.d5 Rc7 36.Rh4 Bh6 37.de6 Re6 38.f5 Re3 39.Qh2 Rec3 40.Rc3 Qd7 41.Qc2 Rc3 42.Qc3 Kg7 43.Nf4 Bf4 44.Rf4 Qd5 45.Rg4 Kf7 46.Qc7 Ke8 1–0. Olander,Elof – Newton,Hobart, IECG, 1999.

9.a4 b6 10.c4 Bb7 11.cd5 Bd5 12.Qe1 Rc8 13.d3 c4 14.dc4 Bc4 15.Nd4 Bd5 16.Nc3 Nc5 17.Nd5 Qd5 18.Bf3 Nfe4 19.Qe2 f5 20.Rfd1 Qf7 21.Nc6 Bb2 22.Qb2 Rc7 23.Be4 Ne4 24.Qd4 Nc5 25.Qe5 e6 26.Rd6 Rd7 27.Na5+/– Rd6 28.Qd6 Qf6 29.Rf1 Na4 30.Nc4 Rd8 31.Qc6 Nc3 32.Re1 Nd5 33.Nb6 Ne3 34.h3 Nd1+/– 35.Re5 Kg7 36.Qc7 Kh6 37.g4 fg4? 38.hg4 Qh4 39.g5 Kh5 40.Qh7 Kg4 41.Qh4 Kh4 42.Na4 Rd4 43.Nc5 Rb4 44.Ne6 Nc3 45.f5 gf5 46.g6 Rg4 47.Kf1 Rg6 48.b6 Rg8 49.Rf5 Rb8 50.Rf4 Kh5 51.Rb4 Nd5 52.Rb5 Rb6 ½–½. Gavrijski,Dimitar (2010) – Zylla,Johannes (2225), corr ICCF WSTT/3/06/2, 2006.

9.a4 Nb6 10.Be5 Nbd7 11.Bb2 Nb6 12.Be5 Nbd7 ½–½. Nielsen,Jens Holm (2000) – Petruzzelli,Raffaele (1990), corr WS/H/125 ICCF, 2008.

9.c4 Nb6 10.Na3 dc4 11.Nc4 Nc4 12.Bc4 Bf5 13.d3 Qb6 (13...a4 14.Rb1=) 14.e4 Be6 15.Qe2 (15.Qe1 h5=) 15...Rad8 16.Ng5 Bc4 17.dc4 h6 18.Nh3 Nh7 19.e5 f5 (19...Qe6 20.f5 Qc8 21.fg6 fg6 22.Bc3+=) 20.ef6+= Bf6 21.Be5 Qe6 22.Rad1 (22.Qe4!? Bg7 23.Qb7+=) 22...Be5= 23.Qe5 (better is 23.fe5!? Rd1 24.Rd1=) 23...Qe5-/+ 24.fe5 Rf1 25.Rf1 g5 (25...Nf8 26.Nf4+=) 26.Nf2= Rd4 27.Rd1 (27.h3!?=) 27...Rc4-/+ 28.Rd8 Kf7 29.Nd3 b6 (29...Rc2!? 30.a4 Rd2-/+) 30.Rb8+= Rd4 31.Ne1 Nf8 32.Rb6 Ne6 33.Ra6 Ra4 34.Nd3 (better is 34.Nc2!?+=) 34...Ra2-/+ 35.b6 (35.Ne1 c4 36.Rc6 Rb2-/+) 35...c4 36.b7 (36.Nb4 Nc5 (36...ab4 37.Ra2 Nc5 38.Ra4 Na4 39.b7+-) 37.Na2 Na6-/+) 36...Ra1–+ 37.Ne1?? (better is 37.Kf2 Rb1 38.Ne1 Rb7 39.Ra5 Rb2 40.Ke3–+) 37...Re1 38.Kf2 Rb1 39.Ra7 (39.Rc6 Rb7 40.Rc4 Rb4–+) 39...Nc5 40.Ra5 Nb7 (40...Nb7 41.Ra8 Rb2 42.Kf3 Nc5–+) 0–1. Heiduczek,Josef (2220) – Heyne,Martin (2175), Landesliga Sued, 2002. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5 8.0-0 Nbd7)

9.c4 Nb6 10.Na3 Bf5 11.Rc1 Rc8 12.Be5 Qd7 13.Qb3 Rfd8 14.Qb2 Na4 15.Qb3 Nb6 16.Rfd1 h6 17.Bc3 Qc7 18.Ba5 d4 19.ed4 Ra8 20.Bb6 Qb6 21.d5 Qc7 22.g3 Ra5 23.Nb1 Rda8 24.a3 Bb1 25.Qb1 Ra3 26.Re1 Ne8 27.Bd3 Nd6 28.Qc2 Qd8 29.Re3 R8a4 30.Kg2 Rb4 31.Rb1 Rb1 32.Qb1 Kh8 33.Qf1 Bf6 34.h3 Qa5 35.g4 Kg7 36.Qe2 Ra2 37.h4 Kf8 38.Qf2 Rb2 39.h5 gh5 40.g5 hg5 41.fg5 Bg7 42.g6 f6 43.Re6 Qc7 44.Ng5 Kg8 45.Nf7 Nf7 46.gf7 Kf7 47.Qe2 (47.Qe2 Qd8 48.Qh5 Kf8 49.d6 Rd2 50.Kf1 ed6 51.Bg6+-) 1–0. Jan,Philippe (2195) – Haak,Gerard K. P. van de (2195), Ernst Nielsen Memorial, 2009.

9.c4 Nb6 10.Na3 Bf5 11.Rc1 Rc8 12.Be5 Re8 13.Qb3 (13.Nh4 Bd7=) 13...e6 14.d3 Ng4 15.Bg7 Kg7 16.Nc2 a4 17.Qb2 Qf6 18.Qa3 dc4 19.dc4 Qe7 20.h3 Nf6 21.g4 Bc2 22.Rc2 Rcd8 23.Qc3 Kg8 24.Qe5 Nc8 25.Rd1 Rd1 26.Bd1 Rd8 27.Rc1 Nb6 28.Be2 h6 29.a3 Ne8= 30.Kg2 Kh7 31.e4 Rd7 32.Qc3 Qf6 33.Qe3 Qb2 34.e5 Nc7 35.Kg3 Rd4 36.Bf1 Nb5 37.cb5+/– Nd5 38.Qe1 Qb3 39.Rc5 Rd1 40.Qf2 Nc3 41.Qe3 Nd5 42.Rd5 Qe3? 43.Rd1+- Qa3 44.f5! ef5 ½–½. Kupec,Jan (1995) – Markoja,Johann (2090), RSS7E pioneer–33, 2011.

8.0-0 Bg4

9.Na3 Nbd7 10.h3 Bf3 11.Bf3 e6 12.c4 b6 (12...Qb6 13.d3=) 13.g4 h6 14.Qc2 Re8 15.e4 (better is 15.d3!?+=) 15...de4 16.Bg2 Ra7 17.Rae1 Nf8 18.Nb1 Rd7 19.g5 Nh5 20.Bg7 Kg7 21.Be4 Rd4 (21...hg5 22.Bc6+=) 22.gh6 (22.Qc3!?=) 22...Kh6-/+ 23.d3 Qh4 24.Nc3 f5 (24...Nf4 25.Ne2 Qg5 26.Kf2-/+) 25.Bg2 Nf4 26.Rf4?? (better is 26.Ne2 Ne2 27.Qe2-/+) 26…Qf4 (26...Rf4?! 27.Qd2 Qg5 28.Qe2–+) 0–1. Potipaev,GV – Kramer,Haije J, EU–ch GT294 corr, 1988. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

9.a4 Nbd7 10.Ng5 h6 (10...Be2!? 11.Qe2 Nb6=) 11.Bg4+= hg5 12.Bd7 (12.fg5 Ng4 13.Bg7 Nh2 14.Bf8 Nf1+=) 12...Qd7 13.fg5 Ne4 14.Bg7 Kg7 15.h4 Rh8 16.Qe1 Nd6 17.Qf2 (17.Nc3 Nf5=) 17...Qg4= 18.Qf4 Rh4 19.Qe5 Kg8 20.Nc3 Rh5 21.Qd5 (21.Nd5? Rg5 22.Ne7 Kf8 23.Ng6 Rg6–+) 21...Rg5 22.Qf3 Qe6 23.e4 Qe5 24.Rae1 Rh5 25.Qf4 Qd4 26.Qe3 Re5 27.Qf2 f6 28.Nd5 (better is 28.Re3!?=) 28...Qf2-/+ 29.Rf2 Ne4 30.Ne7 Re7 31.Rfe2 Rae8 32.d3 f5 33.de4 fe4 34.Kf2 Kg7 35.Rd1 e3 36.Kg3 g5 (36...Re4!?-/+) 37.Rd5+= Kf6 38.Rd6 Kf7 39.Kf3 (39.Rd5 Re4 40.Rc5 Ra4 41.Rc7 Kf6 42.Rb7 Rd4+=) 39...Re5 (better is 39...Re4 40.Rd7 Kf6 41.Rd6 Ke5–+) 40.Rd7+= Ke6 41.Rb7? (better is 41.Rd3+=) 41...Rf8–+ 42.Kg3 Rf4 43.b6 Ra4 44.Ra7 Kd5 (44...Kf5!?-/+) 45.b7+= Rb4 46.Ra5 Rb7 47.Ra3 Rbe7 48.Rd3 Kc4 49.Kg4 Rf7 50.Rde3 Re3 51.Re3 Rf2 52.g3 Rc2 53.Kg5 Rc3 ½–½. Hess,Helmut (2355) – Schwarte,Joachim (2150), WS/M/087 ICCF webserver, 2007. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

9.c4 dc4 10.Na3=.

9.c4 e6 10.Qc2 Nbd7 11.d3 dc4 12.dc4 Bf5 13.Bd3 Bd3 14.Qd3 Nb6 15.Qc2 Ng4 16.Bg7 Kg7 17.Qe2 Qf6 18.Nbd2 Qc3 19.Rfe1 Rfd8 20.h3 Nf6 21.Rac1 Qb2 22.e4 Nh5 23.Qe3+= Qf6 24.Qc5 Nd7+= 25.Qe3 b6 26.e5 Qf4+= 27.Ne4 Rac8 28.Nd6 Rc7 29.Qc3 Qg3 30.Ne4 Qf4 31.Nd6 Nc5 32.Nd4 Ng3 33.Nc6 Rf8 34.Re3 Nge4 35.Ne4 Ne4 36.Qe1 Nc5 37.Rf3 Qg5 38.Rd1 Rd7 39.Rd7 Nd7 40.Qe3 Qe3= ½–½. Burehall,Arne – Lundin,Erik, SWE–ch Karlskrona, 1963.

9.c4 e6 10.h3 Bf3 11.Bf3 Nbd7 12.d3 Qb6 13.Qc2 Rfd8 14.Nc3 Qd6 15.Rad1 Rac8 16.Ne2 Qc7 17.g4 Nf8 (17...dc4 18.dc4 Ne8 19.Bg7 Ng7 20.a3+=) 18.Be5 Qe7 19.Bc3 b6 20.e4 d4 21.Bb2 (21.Bd2 N6d7+=) 21...e5 22.Bg2 N6d7 23.Qd2 h6 24.Rf3 f6 (24...Qh4 25.f5=) 25.f5+= g5 26.h4 Nh7 27.Rh3 Kf7 28.Kf2 Rh8 29.Rdh1 gh4 30.Ke1 Ng5 31.Rh4 Rcg8 32.Kd1 Ke8 33.Kc1 Nf8 (33...Rh7 34.Kb1+/–) 34.Qd1 Nfh7 35.Ng3 ½–½. Koolsbergen,Nico (1935) – Satonnet,Patrick (1935), IECC, 2001.

9.Qe1 Qb6 10.Na3 Nbd7 11.Rb1 Ne8 (11...Rad8 12.Qg3=) 12.Bg7 Ng7 13.Kh1 Qd6 14.Rd1 f6 15.d3 Nf5 16.Qf2 c4 17.e4 Qa3 18.ef5 Bf5 19.dc4 Qa2 20.Rd5 Be6? (20...Rfd8 21.Rfd1 a4 22.R5d2+/–) 21.Rd2 (21.Qd4!? Nb6 22.Qb6 Bd5 23.cd5 Qd5 24.Qe3+/–) 21...b6+= 22.f5 Bf5 23.Nd4 Ne5 (better is 23...Nc5!? 24.Nf5 gf5 25.Qg3 Kh8=) 24.Nf5+/– gf5 25.Qf5 Kh8 26.Qe6 Qa3 27.Qb6 Qb4 28.Rdd1 Nc4 29.Qd4 Ne5 30.Qb4 ab4 31.Rb1 Rfc8 32.Rb2 Rc3 33.Kg1 Rac8 34.Bd1 Nc4 (34...R3c4 35.Re1=) 35.Rb4+/– Ne3 36.Re1 Nd1 37.Rd1 Rc2 38.b6 Rb8 (38...Rg8 39.g3+/–) 39.Rd7+- Rc6 (better is 39...Re2!?+-) 40.b7 e5 (40...Rc1 41.Kf2 Rc2 42.Kf3 Rc3 43.Kg4+-) 41.Rh4 Rc1 (41...h6 42.Rh6 Kg8+-) 42.Kf2 Rc2 43.Ke3 (43.Ke3 h6 44.Rh6 Kg8 45.Rdh7+-) 1–0. Puls,Thomas (2195) – Kastner,Peter (2185), Oberliga Ost–A, 2005. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 a5 7.b5 c5)

7.b5 c6

8.a4 cb5 9.ab5 b6 10.0-0 Nbd7 11.Ne5 Nc5 12.Nc6 Qc7 13.Bf3 Bd7? 14.Be5 Qb7 15.Ne7 Kh8 16.c4! Nce4?? 17.d3 Be6 18.Ng6 fg6 19.de4 de4 20.Be2 Rfd8 21.Qc2 Rac8 22.Nd2 Bg4 23.Bg4 Ng4 24.Bg7 Qg7 25.Qe4?? Rd2=+ 26.h3 Nf6 27.Qe6 Re8 28.Qb6 Rd7 29.Ra5 Nh5 30.c5 Ng3 31.c6 Rc7 32.Re1 Rec8 33.Qd4 Qd4 34.ed4 Nf5 35.d5 Nd6 36.b6 Rc6 37.dc6 Rc6 38.Ra8 Kg7 39.Re7 Kh6 40.b7 Nb7 41.Rb7 Kh5 42.Rb4 h6 43.Ra5 g5 44.fg5 hg5 45.h4 Kg6 46.Rg5 Kf6 47.Rf4 Ke6 48.Rg6 Kd7 49.Rf7 Ke8 50.Ra7 (50.Ra7 Rg6 51.h5+-) 1–0. lllllll21 (1665) – pawelchees (1645), kurnik, 2012.

8.a4 cb5 9.ab5 Nbd7 10.0-0 Nc5 11.Ba3 b6 12.d4 Nce4 13.h3 Ng3 14.Re1 Ne2 15.Qe2 Ne4 16.c4 dc4 17.Qc4 Bb7 18.Ne5 Rc8 19.Nc6 Qd7 20.Be7? (better is 20.Rc1 Rfe8 21.Ra2=) 20...Bc6–+ 21.bc6 Qe7 22.Na3 Rfd8 23.Nb5 Qh4 24.Rac1 Qf2 25.Kh2 Bf6 26.d5? Nd2 27.Qe2 Nf3! 28.Qf3 Qf3 29.gf3 Rd5 30.e4?? Rb5–+ 31.e5 Be7 32.Red1 Rc5 33.Rc5 Bc5 34.Rd7 Rc6 35.Rb7 a4 36.Ra7 (36.Ra7 a3 37.Ra6–+) 0–1. elsh1403 – delcrimar, kurnik, 2011.

8.a4 c5 9.0-0 b6 10.Ne5 Bb7 11.Bf3 Nbd7 12.c4 e6 13.Qb3 Rc8 14.d3 Qc7 15.Nd2 Rfd8 16.Rac1 d4 17.Bb7 Qb7 18.ed4 cd4 19.Bd4 Nc5 20.Bc5 Rc5 21.Nc6 Rc6 22.bc6 Qc6 23.Nf3 Ng4 24.Rfe1?? Qc5–+ 25.d4 Bd4 26.Nd4?? Qd4 27.Kh1 Nf2 28.Kg1 Nh3 29.Kh1 Qg1!! (29...Qg1 30.Rg1 Nf2#; 29...Nf4?! 30.Rf1 Nd3 31.Rc2=+) 0–1. elsh1403 (1630) – cze86 (1895), kurnik, 2011.

8.a4 Nbd7 9.c4 (9.0-0 c5=) 9...Nc5 (9...dc4 10.Bc4 Nb6 11.Be2=+) 10.Ne5 dc4 11.Bc4 cb5 12.Bb5 Bf5 13.d4 Nce4 14.0-0 Nd6 15.Bd3 Nd5 16.Qe2 Qb6 (16...Bd3 17.Qd3 (< 17.Nd3 Nc4-/+) 17...Rc8 18.Qb3=) 17.Ba3 Rfc8 18.Ra2 Qb3 19.Bd6 Bd3 20.Nd3 ed6 21.Ra3 Rc2 22.Qf3 Qc4 23.Nf2 Re8 24.Ne4 Qe2 25.Nbd2 Qf3 26.Rf3 Re7 27.f5 Bh6 28.f6 Re6 29.Rd3 Kf8 30.h4 Be3 31.Kh2 Ra2 32.Nc3 Bf4 33.Kh3 Nc3 34.Rf4 Nd5 35.Rf2 Ra4 36.Rb3 Rb4 37.Rb4 ab4 38.Nf3 b3 39.Rb2 Re3 40.Kg3 Rc3 41.Rb1 Nf6 42.Kh2 Ng4 43.Kg3 h5 44.Kf4 Ne3 45.Nd2 Ng2 46.Ke4 f5 (46...f5 47.Kd5 Ke7 48.Re1 Ne1 49.Nc4 b2 50.Nb6 b1Q 51.Nc8 Kf6 52.Kd6 Qb5 53.Ne7 Qb6 54.Kd7 Qe6 55.Kd8 Qe7) 0–1. Velker,Wim (2160) – Gonzalez,Bolivar Ribeiro (2145), Jubilee, 2007.

8.bc6 bc6 9.0-0 Qb6 10.Ba3 Re8 11.Nc3 Nfd7 12.Na4 Qc7 13.d4 f6 14.c4 e6 15.Rb1 Ba6 16.Qc2 e5 17.fe5 fe5 18.cd5 Be2 19.d6 Qd8 20.Qe2 e4 (20...Kh8!? 21.de5 Ne5 22.Ne5 Be5 23.Nb6+-) 21.Nd2 Nf6 22.Nc4 Ra7? (better is 22...Nbd7+-) 23.Ne5 Nd5 24.Rb8! (24.Rb8 Qb8 25.Nc6+-) 1–0. Pechenkin,V (2345) – Walton,A (2145), Canadian Open, Toronto CAN, 2010.

6.Be2 a6

7.a3 Nc6 8.0-0 Bf5 9.Ne5 Ne5 10.Be5 a5 11.Nc3. Kupec,Jan (1995) – Vadljan,Marcus Franz (2085), RSS7E pioneer–33, 2011.

7.a3 Nbd7 8.0-0 h6 9.d3 c5 10.c4 cb4 11.ab4 Qb6 12.Qd2 dc4 13.Bd4 c3 14.Nc3 Qb4 15.Rfb1 Qd6 16.Be5 Qc5 17.d4 Qc6 18.d5 Qc5 19.Bd4 Qc7 20.e4 Nc5 21.e5 Nfd7 22.Nb5 Qd8 23.Na3 b6= 24.Nc4 Qc7 25.Qc2 b5 26.d6 ed6 27.Nd6 Ne6 28.Qc7 Nc7 29.Rd1 Rd8 30.Be3 Bf8 31.Rd2 b4? 32.Nd4?? Bd6+= 33.ed6 Nd5 34.Nc6 Re8 35.Bf3 Kf8 36.Ne7 Ne3 37.Ba8 Nc4 38.Rd4 Ndb6 39.Bc6 Re7+= 40.de7 Ke7 41.Ba4 Be6 42.Bb3 a5 43.Rc1 Nd6 44.Rc7 Bd7 45.Rc5 Nb7+/– 46.Re5 Kf8 47.Bc4 f6 48.Re1 Nc5 49.Ba2 Nb7 50.Bb1 f5 51.g4! b3 52.gf5+- gf5 53.Re5 1–0. Brailsford,James H (2240) – Greene,Sanford I (2355), US CC Championship, 2007.

7.a4 Qd6 8.b5 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.Bg7 Kg7 12.0-0 Be6 13.Nd4 c5 14.Ne6 Qe6 15.c4 dc4 16.Qc2 Nd6 17.Na3 Nd7 18.Nc4 Ra8 19.Nd6 Qd6 20.Bf3 Ra7 21.Qc3 ½–½. Bukharin,Alexey (1920) – Khlopov,Sergej (1925), SB–2010-0-00097, 2010.

7.a4 Qd6 8.b5 ab5 9.ab5 Ra1 10.Ba1 Be6 11.Be5 Qb6 12.Bd4 ½–½. Fagerbekk,Egil – Cantelli,Alessandro, Memorial ICCF, 2007.

7.Ne5 Nbd7 8.d4 c6 9.Nd2 a5 10.b5 cb5 11.Bb5 Ne5 12.de5 Ng4 13.Qe2 f6 14.h3 Nh6 15.ef6 Bf6 16.Bf6 ef6 17.0-0 Nf5 18.Rfe1 Qc7 19.Rac1 Bd7 20.Qd3 Rfd8 21.Qd5 Kg7 22.Bd3 Nh4 23.g3 Nf5 24.Qg2 Bc6 25.Qf2 Ne7 26.e4 Bd7 27.Bf1 Nc6 28.Nc4 b5 29.Nb6 Rab8 30.Nd5 Qb7 31.c4 bc4 32.Rc4 Be6 33.Rec1 Rbc8 34.Qe3 Bd5 35.ed5 Rd5? 36.Qe6 (36.Qe6 Qa7 37.Kh1+-) 1–0. Hess,Helmut (2355) – Gricar,Ivan (2075), WS/M/087 ICCF, 2007.

7.Ne5 Nbd7 8.d4 Ne4 9.0-0 f5 10.c4 e6 11.Nc3+= Ndf6 12.a4 Nc3 13.Bc3 Ne4 14.Bb2 c6 15.Qc2 Bd7 16.Rfd1 Rc8 17.Qb3 g5 18.g3 gf4 19.ef4 Bh6 20.b5 Kh8 21.ba6 ba6 22.cd5 Bf4?? 23.de6 Bg3? 24.hg3 Rg8 25.Nf7 (25...Kg7 26.Nd8 Rcd8 27.ed7+-) 1–0. Sundin,Tommy – Johansson,Mattias, Sweden, 1988.

7.Ne5 Bf5 8.0-0 Nfd7 9.d4 Nb6 10.a4 f6 11.Nf3 Nc6 12.a5 Nc8 13.c4 e6 14.Nfd2 Nd6 15.Qb3 Ne7 16.Nc3 Qd7 17.cd5 ed5 18.Nd5 Nd5 19.Qd5 Rf7 20.Qb3 c6 21.Nc4 Re8 22.d5 cd5 23.Nb6 Qe6 24.Nd5 Be4 25.Rad1 Kh8 26.Bf3 Rc7 27.Rc1 Rc6 28.Rfd1 h6 29.Rc5 Rec8 30.Rdc1 h5 31.R1c3 h4 32.Qd1 f5 33.Rc6 bc6 34.Nb6 Rd8 35.Qb3 Qg8 36.Na4 Qb3 37.Rb3 Bb2 38.Nb2 Rb8 39.Nd3 Bd3 40.Rd3 Nc4 41.Bc6 Rb4 42.Rd8 Kg7 43.Rd7 Kh6 44.Rb7 Rb7 45.Bb7 Kg7 46.Kf2 Kf6 47.Ke2 Na5 48.Ba6 Nb3 49.Bc4 Nc5 50.Bd5 g5 51.Kd2 gf4 52.ef4 Nd7 53.Ke2 Nf8 ½–½. Hess,Helmut (2335) – Meincke,August_Wilhelm, 60yearsBdF–WSSF03, 2009.

7.0-0 Nc6

8.c3 Qd6=+ 9.a4 Bg4 10.d3 e5 11.fe5+= Ne5 12.Ne5 Be2 13.Qe2 Qe5 14.c4 Qd6 15.c5 Qe6 16.Na3 Nh5 17.Rae1 Qd7 18.Bg7 Ng7 19.a5 Rae8 20.Nc2 Ne6 21.Rf6 d4 22.e4 Nd8 23.Qd1 Nc6 24.Qb1 Ne5 25.Qb3 Re6 26.Re6 fe6 27.h3 Qf7 28.Kh1 Nc6 29.b5 ab5 30.Qb5 Qf2 31.Qb3 Kh8 32.Qb7 Ne5 33.Qc7 Nd3 34.Rb1 Qc2 35.Rb7 Qc1 36.Kh2 Qh6 37.a6 e5 38.a7 Qf4 39.Kg1 Qe3 40.Kh2 ½–½. Fister,Bernard (2260) – Janosi,Ervin (2335), France – Hungary, 2009.

8.a3 Bf5

9.c4 dc4 10.Bc4 Bd3 11.Bd3 Qd3 12.Nc3 Rfd8 13.Qb1 e6 14.Qd3 Rd3 15.Rad1 Nd5 16.Ne1 Rc3 17.Bc3 Bc3 18.e4? Bd4–+ 19.Kh1 Nf6 20.e5 Nd5 21.Nc2 f6 22.Nd4 Nd4 23.g4 f5 24.gf5 Nf5 25.Rf3 b5 26.Kg1 a5 27.Rb1 Nd4 28.Rf2 Nf4! 29.ba5 Nh3 (29...Nh3 30.Kg2 Nf2 31.Kf2 Ra5–+) 0–1. Koziol,Pawel – Szency,Sandor (1935), SI–2007–0-00105, 2007.

9.d3 Qd6 10.h3 Nh5 11.Bg7 Ng7 12.Qe1 e5 13.fe5 Ne5 14.Nbd2 Be6 15.Nd4 Rae8 16.Qf2 Nf5 17.Rae1+= Nc6 18.Nf5 Bf5 19.Nb3 b6 20.Qf4 Re7 21.g4 Be6 22.Bf3 Ne5= 23.Bg2 f6 24.Rf2 Kg7 25.Ref1 h6 26.a4 g5 27.Qd4 Nc6 28.Qb2 Bd7 29.b5 ab5 30.ab5 Ne5 31.Nd4+= Ng6 32.Rf5 Qg3 33.Rd5 Bc8 34.e4 Nf4= 35.Rf4 Qf4 36.Nf5 Bf5 37.Rf5 Qd6 38.Rd5 Qg3 39.Rf5 Re5 40.Rf3 Qe1 41.Rf1 Qe2 42.Rf2 Qe3 43.Bf1 Qg3 44.Bg2 Rc5 45.Qb4 Qe3 46.Qb2 Qe1 47.Bf1= Qc3 48.Qc3 Rc3 49.d4 Re3 50.Re2 Re2 51.Be2 Rd8 52.d5 Kf7 53.Kf2 Ke7 0–1. Torrijos Alhambra,Julian – Miras Garcia,Eduardo (1680), AEAC W/M/020, 2008.

9.Bd3 Bg4 10.Qe1 Bf3+= 11.Rf3 e5 12.fe5 Ng4 13.Be2 Be5 14.Be5 Nge5 15.Rf4 d4 16.Qf2 g5 17.Rf5 f6 18.Kh1 h6 19.e4 Qd6 20.Qg1 a5 21.b5=+ Ne7 22.Rf1 f5 23.d3 fe4 24.de4 Rf1 25.Qf1 Qc5 26.Nd2 N7g6 27.Nb3 Qc2 28.Nd4 Qe4 29.Ne6 Nf4 30.Nf4 Rf8 31.Qd1 Rf4 32.Rc1 c6 33.bc6 bc6 34.Qb3 Kg7 35.Ba6 Rf2 36.Qb7? Kg6–+ 37.Rg1 Ng4 38.h3? Rf3 39.gf3 Qf3 40.Rg2 Qh3 41.Kg1 Qe3 42.Kf1 Qc1 43.Ke2 Qc2 44.Kf3 Qf5 45.Ke2 Qe4 46.Kd1 Qg2 47.Qb3 Qd5 48.Qd5 cd5 49.Ke2 Kf5 50.Kf3 Ne5 51.Kg3 d4 52.Bc8 Ke4 53.Bb7 Ke3 (53...Ke3 54.Bd5 d3–+) 0–1. Puertas Covarrubias,FJ – Bogun,Oleg P, Spain – Russia Unrated, 2007.

9.Ne5 Ne5 10.Be5 Qd7 11.d3 Rfc8 12.Qd2 c5 13.Nc3 Be6 14.Bf3 d4 15.Nd1 Bg4 16.bc5 Bf3 17.Rf3 de3 18.Ne3 Rc5= 19.Rd1 b5 20.Qb4 Rac8 21.d4 Rc3 22.d5 Re3 23.Re3+= Rc2 24.Red3 Rc4 25.Qe1 Ng4 26.Bg7 Kg7 27.g3 Qa7 28.Kg2 Qc5 29.Qe2 h5 30.h3 Nf6 31.Qf3 h4= 32.g4 Ne4 33.Re1+= f5 34.gf5 gf5 35.Re2 Ng3 36.Rf2 Ne4 37.Re2 Ng3 38.Rf2 Rc1 39.Qe3 Qe3 40.Re3 Ne4 41.Rff3 Rc2 42.Kg1 Kf7 43.Rd3 Ke8 44.Rf1 Kd7 45.Re1 Kd6 46.Ree3 Kc5 47.Kf1 a5 48.Ke1 Kc4 49.Kd1 Rf2 50.Ke1 Rf4 51.Rd1 b4–+ 52.ab4 ab4 53.Rc1 Kd5 54.Rd3 Ke5 55.Rc4 Ng5 56.Re3 Re4 57.Ree4 fe4 58.Rb4 Nh3 59.Rb8 Kf4 60.Ke2 e6 61.Rf8 Kg4 62.Rg8 Ng5 63.Ke3 h3 64.Rh8 Kg3 65.Rg8 Kg4 66.Rh8 Kg3 ½–½. Kaminski,Janusz – White,Bobby, WS/O/168 ICCF, 2007.

9.Nh4 Be6 10.d4 Ne4 11.Nd2 Nd6 12.c3 Qd7 13.Qe1 a5 14.Qg3 b5 15.Bd3 Rfb8 16.Nb3 Nc4 17.Nc5+= Qd6 18.Bc4 bc4 19.e4 de4 20.Ne4 Qd5 21.Rae1 ab4 22.ab4 Ra2 23.Bc1 Bf5 24.Nf5 Qf5 25.Qf3 Bd4 26.cd4+/– Nd4 27.Qc3 Ne2 28.Re2 Re2 29.Ng3 Rc2 30.Nf5 Rc3 31.Ne7 Kf8 32.Nc6 Rb6 33.Ne5 Rd6 34.g4 f6 35.g5 Rc1 36.Rc1 fe5 37.Rc4 ef4 38.Rc7 Rd1 39.Kg2 Rb1 40.Rh7 Rb4 41.Kf3 Kg8 42.Re7 Rb2 43.Re2 Re2 44.Ke2+- Kf7 45.Kf3 Ke6 46.Kf4 ½–½. Ottenweller,Wolfgang – Evans,Gordon, BI–2007–P–00021, 2007.

6.Be2 b6

7.0-0 a5 8.b5 Bb7 9.a4 c5 10.bc6 Nc6 11.c4 dc4 12.Bc4 Nb4 13.d4 Rc8 14.Na3 Nbd5 15.Qb3 Qd6 16.Nb5 Qb4 17.Qb4 Nb4 (17...ab4 18.Bd5 Nd5 19.Bc1-/+) 18.Bb3 Nc2 19.Bc2 Rc2 20.Rab1 Ng4 21.Bc1 Rfc8 22.h3 Bf3 23.gf3 Nh2 24.Rf2 Bf6 25.Ba3 (better is 25.Rc2!? Rc2 26.Na3 Nf3 27.Kf1-/+) 25...Rf2–+ 26.Kf2 Rc2 27.Ke1 Nf3 28.Kd1 Rd2 29.Kc1 Rd3 0–1. Daum,Gernot – Karkuth,Siegfried, GER–ch25 qual9 corr, 1995. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6)

7.0-0 a5 8.b5 c5 9.c4 Bb7 10.Na3 Nbd7 11.Qc1 e6 12.Ne5 Qe7 13.Rb1 Ne5 14.Be5 Nd7 15.Bg7 Kg7 16.Bf3 Rad8 17.d3 Ba8 18.e4 de4 19.de4 e5 20.Qc3 f6 (20...Qf6!? 21.f5 gf5+=) 21.f5+= gf5 22.ef5 e4 23.Rbe1 Qe5 24.Qe5 Ne5 25.Be4 Be4 26.Re4 Rd2 27.Nb1 (27.Rf2 Rfd8=) 27...Rc2 28.Rd1 Rc4 (28...Nc4 29.a4+=) 29.Rc4= Nc4 30.Nc3 Rf7 31.Rd8 Re7 32.Nd5 Re2 (32...Re1 33.Kf2 Ra1 34.Nc3+=) 33.Rd7 Kh6 34.h4 Ne5 35.Rd6 (35.Re7!? Re1 36.Kh2 Ng4 37.Kg3 Re7 38.Ne7+=) 35...Ng4+= 36.g3 ½–½. Deppe,Christian – Kahn,P (2125), Dresden GER, 2013. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6)

7.0-0 c5 8.a3 Bb7 9.Ne5 Nc6 10.Bf3 e6 11.b5 Ne5 12.fe5 Nd7 13.c4 Ne5 14.Be5 Be5 15.Ra2? Rb8 16.d4=+ cd4 17.ed4 Bg7 18.c5 bc5 19.dc5 Qa5 20.a4 Rfd8 21.c6 Ba8 22.Qc1 Qc7 23.Nc3 Rdc8 24.Raf2 Bc6!–+ 25.bc6 Qc6 26.Nb5?? Qc1 27.Rc1 Rc1 28.Rf1 Rf1 29.Kf1 a6 30.Nc7 Rb4 31.Na6 Ra4 32.Nc5 Rc4 33.Nd7 Rc2 34.h3 d4 35.Ke1 d3 36.Kd1 e5 37.Be4 f5 38.Bd3 Rc7 39.Nb6 Rc6 40.Nd5 Rd6 41.Bc4 Kf8 42.Ke2 1–0. elsh1403 (1625) – hassam (1710), kurnik, 2011.

7.0-0 c5 8.b5 Nbd7 9.Ne5 Ne5 10.fe5 Ne4 11.d3 Ng5 12.h4 Ne6 13.Nd2 d4 14.Bf3 Rb8 15.ed4 Nd4 16.Nc4 Be6 17.Bc6 Nc6 18.bc6 Bc4 19.dc4 Rc8 20.Qf3 Qc7 21.Rae1 Qc6 22.Qf4 e6 23.h5 Rcd8 24.h6 Bh8 25.c3 Rd3 26.Rf2 Qd7 27.Ref1 Rd1 28.Bc1 Rf1 29.Rf1 Qd3 30.Rf3 Qd1 31.Kh2 Be5?? 32.Qe5+- f6 33.Qe6 Kh8 34.Qe7 Rg8 35.Qf6 (35.Qf6 Rg7 36.Qg7#) 1–0. elsh1403 – fabinou69 (1685), kurnik, 2012.

7.0-0 Nbd7 8.Qe1 c5 9.b5 Qc7 10.Qh4 Bb7 11.c4 Rfe8 12.Na3 Rad8 13.d3 h5 14.h3 d4 15.ed4+/– Nh7 16.Nc2 Nhf8 17.Ne5 cd4 18.Bd4 Ne6 19.Bb2 Bf6 20.Qf2 Ndc5 21.Nb4 Nf8? 22.Nbc6 Bc6+= 23.bc6 Na4 24.Bd4 Ne6 25.Be3 Nc3 26.Bf3 Nf4 27.Bf4 Be5 28.Be5 Qe5 29.Rae1 Qc5 30.Qc5 bc5 31.Re5 Rd3 32.Rc5 Rc8= 33.c7 Rd7 34.Rc1 Na4 35.Ra5 Nb6 36.Ra7 Rdc7 37.Rc7 Rc7 38.c5 e6 39.Kf2 Nd5? 40.Bd5+- ed5 41.Ke3 Kf8 42.Kd4 Ke7 43.Rc2 Kd7 44.Kd5 Rc6 45.Rb2 Kc7 46.Rb6 Rb6 47.cb6 Kb6 48.Kd6 Kb5 49.Ke5 1–0. Wolter,Thomas – Gentner,Markus, Stuttgart–ch, 1993.

7.Na3 c5 8.bc5 bc5 9.c4 d4 10.Ne5 Qb6 11.Bf3 Qb2 12.Qc1 Qc1 13.Rc1 Nbd7 14.Ba8 de3 15.de3 Ne5= 16.fe5 Ng4 17.Ke2 Be5 ½–½. Huisl,Wolfgang (2380) – Reefschlaeger,Helmut (2350), FRG–ch, 1978.

7.b5 Bb7 8.0-0 c5 9.bc6 Nc6 10.d4 Na5 11.Nbd2 Rc8 12.Ne5 Ne4 13.Bd3 f6 14.Ng4 Nc4 15.Nc4 dc4 16.Be4 Be4 17.Nf2 Bb7 18.c3 f5 19.Nh3 Qd5 20.Qf3 Qd7 21.Qg3 b5 22.Ng5 Rf6 23.Nf3 b4 24.Rfc1 Bf3 25.Qf3 Rfc6 26.Qd1 a5 27.Qa4 Qb7 28.Rab1 Re6 29.Kf2 Qe4 30.Re1 g5 31.Kg1 Rg6 32.g3 h5 33.Kf2 h4 34.Rbc1 hg3 0–1. Kujawski – Suder, corr Poland 1988.

7.b5 Bb7 8.0-0 c5 9.bc6 Nc6 10.Ne5 Ne4 11.d4 Qc7 12.Na3 Ne5 13.Nb5 Qd7 14.de5 a6 15.Nd4 Rac8 16.Bd3 Rfd8 17.Qe1 Nc5 18.Be2 Na4 19.Ba3 e6 20.Qh4 Nc5 21.Nf3 Qa4 22.Bc5 bc5 23.Rfb1 Rd7 24.c3 Qc2 25.Qe1 Qe4 26.Qd2 d4 27.ed4 cd4 28.cd4 Bh6 29.Bd3 Qc6 30.Rc1 Qa4 31.Rc8 Bc8 32.Be4 a5 33.Rb1 Bf8 34.Rb8 Ba6 35.f5 Qc4 36.Kf2 ef5 37.Bf5 Rc7 38.Qg5 Bc8 39.Qd8 gf5 40.Qg5 ½–½. Brauner – Strube, Hessen 1988.

7.b5 c5 8.bc6 Nc6 9.0-0 Bb7 10.a4 Rc8 11.Na3 Ne4 12.Bg7 Kg7 13.Nb5 Ba6 14.Ra2 Kg8 15.Re1 Bb7 16.Qb1 e6 17.Rd1 Qe7 18.Nbd4 f6 19.Nc6 Bc6 20.Qa1 Bd7 21.Bd3 Kg7 22.Qd4 Nc5 23.Bb5 Bb5 24.ab5 Ne4 25.Rda1 Rf7 26.Qd3 Nc5 27.Qd4 Ne4 28.Qd3 ½–½. Schreuder Peters,Misja (1980) – Solomons,Anzel (1895), Budapest FS07 FM–A, 2008. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6)

7.b5 c5 8.bc6 Nc6 9.a4 Bb7 10.0-0 Rc8 11.Na3 Na5 12.Bd4 Nc6 13.c3 Ne4 14.Bg7 Kg7 15.Nb5 a6 16.Nbd4 Na5 17.Ne5 Nc4 18.Bc4 dc4 19.Rb1 Rc5 20.Rb2 Bd5 21.Qe2 f6 22.Nef3 Qc7 23.f5 gf5 24.Nf5 Kh8 25.N3h4 Ng5 26.Ng3 Bc6 27.Rb4 Bd7 28.Rf4 Rc8 29.Qd1 a5 30.Rb2 b5 31.ab5 Rb5 32.Rb5 Bb5 33.Nhf5 a4 34.Nd4 Bd7 35.Nc2 Rg8 36.Na3 Rc8 37.Rc4 Qd8 38.Rd4 Qe8 39.Rb4 Rb8 40.Qb1 Rb4 41.Qb4 Kg7 42.h4 Ne6 43.Nf5 Kf8 44.Kf2 Ng7 45.Ng7 Kg7 46.Qc5 Kf8 47.e4 Qb8 48.g3 Qb2 49.Nc4 Qc2 50.Qd5 Be8 51.Ke3 (better is 51.g4!?+/–) 51...Qd1= 52.Qf5 Qe1 53.Kd4 Qg3 54.Qh7 Qf2 55.Kd3 Qf1 56.Kd4 Qf2 57.Kd3 Qf1 58.Kd4 Qg1 (58...Qf2 59.Kd3=) 59.Kd3 (59.Ne3 a3 60.Qh8 Kf7 61.Qh5 Kf8+=) 59...Bf7 (better is 59...Qf1!? 60.Kd4=) 60.Qh8+/– Bg8 61.Qh6 Kf7 62.Qh5 Kg7 63.Ne3 Qb1 64.Ke2 Qe4 65.d3 Qf4 66.Qc5 Kf8 1–0. Rakov,Valery (2190) – Korochenskiy,Alexey (2295), Maikop op, 2004. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Be2 b6)

7.c4 Bb7 8.0-0 Nbd7 9.d3 c5 10.b5 Qc7 11.Nc3 Rfd8 (11...Ng4 12.Qd2 (12.cd5? Ne3 13.Qd2 Nf1 14.Rf1 Nf6–+) 12...Ne3 13.Qe3+=) 12.Qc2 Ng4 13.Nd1 (worse is 13.Nd5 Bd5 14.Bg7 Kg7 15.cd5 Ne3 16.Qb2 Nf6–+; worse is 13.cd5 Ne3 14.Qd2 Nf1 15.Rf1 Nf6–+) 13...dc4 14.dc4 Ndf6 15.Qb3 (15.Ne5 Ne5 16.Be5 Qd7=) 15...Ne4 16.Bg7 Kg7 17.Nb2 Rd6 18.h3 Ngf6 19.Kh2 Nd2 20.Nd2 Rd2 21.Bf3 Bf3 22.Rf3 Qb7 (22...Rad8 23.Rc1-/+) 23.Kg1 (23.Rd1 Rad8 24.Rd2 Rd2 25.Rg3+=) 23...Rad8-/+ 24.a4?? (better is 24.Raf1-/+) 24...Rg2!! 25.Kg2 Rd2 (25...Rd2 26.Kg3 Nh5 27.Kg4 Rg2 28.Kh4 e5 29.Rg3 Rg3 30.fe5 Qe4#) 0–1. Beutel,H – Ciaxz,R, corr BdF/H, 1988. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6)

7.c4 dc4 8.Bc4 Bb7 (8...Nc6!? 9.a3 Bf5=) 9.0-0= Nbd7 (9...Nc6 10.a3=) 10.Qe2 (10.Nc3 e6+=) 10...c5= 11.b5 (11.bc5 Nc5 12.Nc3 Nfe4=) 11...Qc7 (11...e6 12.Bd3=) 12.d3 (12.Nc3 e6=) 12...Ne8 (12...a5 13.a4=) 13.Bg7 Kg7 14.Nc3 Nd6 (14...Ndf6 15.Ne5=) 15.Nd5 Bd5 (15...Qd8 16.e4+=) 16.Bd5+= Rad8 17.Qb2 (17.e4 e6 18.Bc6 Nb7+=) 17...Kg8 (17...Nf6 18.e4 Kg8 19.Bc6=) 18.e4 (18.Bc6 Nb8 19.Ne5 Nc6 20.Nc6 Ra8=) 18...e6 (18...c4!? 19.dc4 Qc5 20.Qf2 Qf2 21.Rf2 Nc5=) 19.Bc6+- Nb8 20.e5 Nf5 21.Be4 Nd4 22.a4 (22.Rab1!?+=) 22...f5= 23.ef6 (23.Ba8 Nf3 24.Rf3 Rd4=+) 23...Qf4=+ 24.Nd4 (24.a5 Qf6 25.Nd4 Qd4 26.Qd4 cd4=) 24...Qe3 25.Qf2 Qd4 (25...Qf2 26.Kf2 Rd4 27.Ke3=+) 26.a5= Rf6 (26...Nd7 27.Qd4 cd4 28.ab6 ab6 29.Bc6=) 27.Qd4 Rf1 (27...cd4?? 28.Rf6 Rd6 29.ab6 ab6 30.Re6 Re6 31.Bd5+-) 28.Kf1 Rd4 29.ab6 ab6 30.Ra8 Rd8 31.Ra6 (31.Ke2 e5=) 31...Rd6 (31...Nd7 32.Ke2=) 32.Ra8 Rd8 33.Ra6 Rd6 (33...Nd7 34.Ke2=) 34.Ra8 Rd8 35.Ra6 Rd6 ½–½. Rapport,Richard (2725) – Kraemer,Martin (2570), Bundesliga, 2016. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6)

7.0-0 Bb7

8.Na3 c5 9.bc5 bc5 10.Rb1 Qc8 11.c4 e6 12.Nb5 Rd8 13.Be5 Ne8 14.Bg7 Ng7 15.Qb3 dc4 16.Qc4 Bd5 17.Qc2 a6 18.Nc3 Nc6 19.a3 Qc7 20.Na4 Qa5 21.Nc5 Bf3 22.Bf3 Rd2 23.Nb3 Rc2 24.Na5 Na5 25.Ba8 Nf5 26.Rbc1 Ne3+/– 27.Rc2 Nc2 28.Rf3 f6 29.Kf2 Nd4 30.Rc3 Nb5 31.Rc8 Kg7 32.a4 Nd6 33.Rc7 Kh6 34.Ra7 Ndc4 35.Ra6 Nb3 36.Re6 Nc5 37.Rc6 Nd3 38.Ke2 Nf4 39.Kf3 Nd3 40.Ke4 Ndb2 41.Kd4 Ne5 42.Rf6 Nd7 43.Rd6 Na4 44.Rd7 Nb6 45.Ra7 Nc8 46.Rc7 Nd6 1–0. Rodkin,F (2175) – Pershin,Denis (1975), ch–St Petersburg S/F, 2011.

8.a4 Nbd7 9.Qe1 c5 10.b5 a5 11.c4 e6 12.Ne5 dc4 13.Bf3 Ne5 14.Bb7?? Nd3–+ 15.Bf6 Bf6 16.Qe2 Ba1 17.Ba8 Qa8 18.Nc3 Bc3 19.dc3 Qe4 0–1. lllllll21 (1705) – taksim (1765), kurnik, 2011.

8.c4 a5 9.b5 c5 10.cd5 Nbd7 11.Qc2 Nd5 12.Bg7 Kg7 13.Qb2 Kg8 14.Na3 e6 15.Nc4 f6 16.d3 Qe7 17.Nfd2 Nc7 18.e4 Rad8 19.Rae1 g5 20.fg5 fg5 21.a4 h6 22.Nf3 Qg7 23.Nfe5 Ne5 24.Qe5 Qe5 25.Ne5 Na8 26.Bg4 1–0. Jekel,Wolfgang (1855) – Hardy,David (2080), IECG, 2008.

8.c4 a5 9.b5 c5 10.cd5 Nbd7 11.Bc4 Nd5 12.Bg7 Kg7 13.Nc3 Nc3 14.dc3 Nf6 15.Ne5 Ne4 16.Qc2 Qd2 17.Qd2 Nd2 18.Rfd1 Rad8 (worse is 18...Nc4 19.Nc4 Rab8 20.Nb6+/–) 19.Be2 Rd6 20.Bd3 f6 21.Rd2 fe5 22.fe5 Rd5 23.e4 Re5 24.Re2 Rd8 25.Re3 Bd5 26.c4 Be6 27.Rc1 Rh5 28.Be2 Rh6 29.Rd3 Rd3 30.Bd3 Kf6 31.Rf1 Ke5 32.Re1 Kd4 (32...Kd4 33.Rd1 g5-/+ (worse is 33...Bc4 34.Bf1 Kc3 35.Rc1 Kb2 36.Rc4+=)) 0–1. Vanderploeg,John – Koch,Christian, ICCF–Cup8 V179 corr, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6 7.0-0 Bb7)

8.c4 c5 9.bc5 bc5 10.cd5 Bd5 11.Nc3 c4 12.Ne5 Nc6? 13.Nd5+- Qd5 14.Bc4 Qc5 15.Qc1 e6 16.Be6! Qd6 17.Bf7 Rf7 18.Nc6 Rc8 19.Ne7! (19...Re7 20.Qc8 Re8 21.Qc4 Kh8 22.Bd4+-) 1–0. Wall,Bill – DeepMind, Internet, 2002.

8.c4 Nbd7 9.Nc3 c5 10.a3 Rc8 11.Qb3 e6 12.Nb5 1–0. Ocipoff – Wittmann, corr, 1978. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6 7.0-0 Bb7)

8.Qe1 c5 9.bc5 bc5 10.Na3 Nbd7 11.Qh4 Bc6 12.Ne5 Ne5 13.Be5 Qa5 14.Nb1 Ne4 15.Bg7 Kg7 16.f5 Qb6 17.Nc3 Nc3 18.f6 Kg8 19.fe7?? Ne2–+ 20.Kh1 d4 21.ef8Q Rf8 22.Rf2 Qb2–+ 23.Raf1 Qc2 24.Qg4? d3–+ 25.Rf7 Rf7 26.Qe6 Nf4! 27.Qc6 Qd2 28.ef4 Qe2 29.Rg1 d2 30.Qd6 Qe3 31.Qd8 Kg7 32.Qa5 Qg1!! (32...Qg1 33.Kg1 d1Q 34.Kf2 Rf4 35.Ke3 Qd4 36.Ke2 Rf2 37.Ke1 Qe3 38.Kd1 Qd3 39.Qd2 Qd2#) 0–1. Berkell,P (2285) – Nylen,A (2205), TCh–SWE Elitserien, 2005.

8.Qe1 c5 9.bc5 bc5 10.c4 Qb6 (10...d4 11.ed4 cd4 12.Ne5= (12.Bd4? Bf3 13.Bf3 Qd4 14.Qe3 Qa1–+)) 11.Nc3 (11.Be5 Qe6=) 11...d4+= 12.Nd1 Nc6 13.ed4 cd4 14.d3 e5 (14...Rab8!?=) 15.Ne5 Ne5 16.fe5 Nd7 17.e6 (17.Rb1 Be5 18.Nf2 Qa6=) 17...Qe6 18.Nf2 (18.Qf2!?=) 18...Rfe8 19.Ne4? (better is 19.Bf3 Bf3 20.Qe6 Re6 21.gf3-/+) 19...Be4–+ 20.de4 d3 (20...d3 21.Bg7 de2 22.Qe2 Kg7–+; 20...Qe4?! 21.Bf3 Qe1 22.Rae1 Re1 23.Re1-/+) 0–1. Filipowicz,Andrzej – Kostro, Poland, 1970. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6 7.0-0 Bb7)

8.Qe1 Nbd7 9.d3 c5 10.bc5 Nc5 11.Nbd2 Rc8 12.a4 Bc6 13.a5 ba5 14.Nb3 Nb3 15.cb3 a4 16.ba4 Nd7 17.Bg7 Kg7 18.Nd4 Ba8 19.Bg4 Kg8 20.Qg3 e6 21.f5! e5 22.fg6+- hg6 23.Ne6! fe6 24.Be6 Kg7 25.Rf8 Nf8 26.Qe5 Kh7 27.Bc8 Qc8 28.Qe7 Kg8 29.Rf1 a6?? 30.Qf7 Kh8 31.Qf8 Qf8 32.Rf8 (32.Rf8 Kg7 33.Ra8+-) 1–0. Foo,William J (1955) – Kalaiyalahan,Akshaya (1640), Bournemouth ENG, Open, 2012.

8.Ne5 c5 9.b5 Nbd7 10.Bf3 Ne5 11.fe5 Ne4 12.d3 Ng5 13.c4 Rb8 14.cd5 Bd5 15.e4 Bb7 16.a4 Qc7 17.Nd2 Be5 18.Be5 Qe5 19.Nc4 Qd4 20.Kh1 Rbd8 21.Be2 Ne4! 22.de4 Qe4 23.Bf3 Rd1 24.Be4 Rf1 25.Rf1 Be4 26.Ne5 f6 27.Nc6 Bc6 28.bc6 Rc8 29.Re1 e5 30.Rd1 Rc6 0–1. lllllll21 (1625) – szaszki2 (1820), kurnik, 2011.

8.Ne5 Nbd7 9.d3 Ne5 10.fe5 Nd7 11.d4 c5 12.bc5 bc5 13.Nd2 c4 14.a4 Rc8 15.c3 f5 16.Nf3 Nb6 17.Ng5 Rc6 18.Bf3 Bc8 19.a5 Nd7?? 20.Bd5+- (20.Bd5 e6 21.Ne6 Re6 22.Be6 Kh8 23.Ba3 Ne5 24.Bf8 Bf8 25.Bc8+-) 1–0. elsh1403 – poxley, kurnik, 2011.

8.Ne5 Nbd7 9.d3 Ne8 10.Nd2 f6 11.Nef3 c5 12.a3 Nd6 13.c4 e6 14.Qb3 dc4 15.Nc4 Qe7 16.e4 Kh8 17.Nd6 Qd6 18.Ne1 Rfd8 19.Rd1 cb4 20.ab4 f5 21.e5 Qd5 22.Qd5 Bd5 23.d4 a5 24.Nd3 a4 25.Bf3 Bf3 26.Rf3 b5 27.Nc5 Re8?? 28.Nd7+- a3 29.Ra3 Rad8 30.Nc5 Bf8 31.Ra7 Rc8 32.Kf2 Red8 33.Ne6 Rc2 34.Ke3 Rdc8 35.Ba1 Bb4 36.d5 Bc3 37.d6 Ba1 38.Rc7 Rc3 39.Kf2 Rc2 40.Kf1 R2c7 41.Nc7 Kg8 42.d7 Rd8 43.e6 Kf8 44.Nd5 Bf6 45.Nf6 Ke7 46.Nh7 Ke6 47.Ng5 Ke7 48.Ke2 b4 49.Kd3 Rd7 50.Kc2?? b3!–+ 51.Kb3 Rd1 52.h3 Rd2 53.g4 fg4 54.hg4 Kf6?? 55.Kc3 Rf2?? 56.Ne4+- Kg7 (56...Kg7 57.Nf2 Kf6+-) 1–0. elsh1403 – zielllek (1685), kurnik, 2011.

8.Ne5 Nbd7 9.Bf3 Rc8 10.c4 c6 11.Qb3 Ne5 12.fe5 Nd7 13.d4 Ba6 14.Nd2 dc4 15.Nc4 Bh6 16.a4 Bc4= 17.Qc4 Be3 18.Kh1 Nb8 19.Rad1 Bh6 20.Bg4 e6 21.Bc1 Bg7 22.Bf3 Qd7 23.Bg5 h6 24.Bf6 Kh7 25.Bg7 Kg7 26.Be4 Rfd8 27.Qd3 Qe8 28.Qg3 Nd7 29.h4 Nf8 30.Bb1 Qe7 31.Rf4 Qb4 32.Rdf1 Rd7 33.h5 g5=+ 34.d5 Qb2 35.de6 Ne6–+ 36.Rf6 Rd2?? 37.Bf5?? Qe5?? 38.Qe5 (38.Qe5 Rf2 39.Rg6 Kh7 40.Rg7 Kh8 41.Rh7 Kg8 42.Qh8#) 1–0. elsh1403 – zakko10 (1700), kurnik, 2011.

8.Ne5 Nbd7 9.Bf3 Ne5 10.fe5 Nd7 11.d4 e6 12.c4 c5 13.bc5 bc5 14.Nc3 cd4 15.ed4 Nb6 16.c5 Nc4 17.Bc1 f6 18.ef6 Bf6 19.Nb5 a6 20.Nd6 Nd6=+ 21.cd6 Qd6 22.a4 Qb6 23.Be3 a5 24.Rb1 Qc7 25.Bg4 e5 26.Bh6 Bg7 27.Be6 Kh8 28.Qd2 e4 29.Qg5? Ba6?? 30.Rf8 Rf8 31.Bg7 Kg7 32.Qd5? Qc2 33.Qe5?? Kh6–+ 34.Re1 Qf2 (34...Qf2 35.Kh1 Qe1#) 0–1. elsh1403 – fanthomas77 (1640), kurnik, 2012.

8.Bf6 Bf6 9.d4 Nd7 10.Nbd2 e6 11.Rb1 a5 12.b5 Bg7 13.c4 dc4 14.Nc4 Bd5 15.Qc2 Rc8 16.Rfc1 Nf6 17.Nce5 Ne4 18.Bd3 Nd6 19.Qe2 Qe8 20.Nc6 Bc6 21.Rc6 Qe7 22.Rbc1 Rfd8 23.g4 Ne8 24.Bc4 Rd6 25.Bb3 Rc6 26.Rc6 Kh8 27.e4 Nf6 28.h3 Ne8 29.e5 Bh6 30.f5 ef5 31.gf5 f6 32.Re6 Qg7 33.ef6 Nf6 34.Re7 Qe7?? (better is 34...Qf8 35.Ne5 Re8 36.Rc7 a4+-) 35.Qe7 (35.Qe7 Bg7 36.Ng5+-) 1–0. Panter,Bryan GD – Maier,Albert, ICCF World Cup10 prel, 1994. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Be2 b6 7.0-0 Bb7)

8.Na3 Nbd7

9.Rb1 c5 10.bc5 Nc5 11.Nb5 a6 12.Nbd4 Rc8 13.f5 Nfe4 14.Qe1 e5 15.fe6 fe6 16.d3 Nd6 17.Qg3 Nf7 18.Ba3 Re8 19.Qh3 b5 20.Nb5 ab5 21.Rb5 Bc6 22.Rc5+- Bf8 23.Rc6 Rc6 24.Bf8 Rf8 25.Nd4 Ng5 26.Rf8 Qf8 27.Qg4 Rb6 28.h4 Nf7= 29.Ne6 Qe7 30.Ng5 Qe3 31.Kh2 Rf6 32.Bf3= Ng5 33.hg5 Rf5 34.c4 Qe5+= 35.Kg1 Qe1 36.Kh2= Qe5 37.Kg1 dc4 38.Qc4= Kg7 39.d4 Qe1 40.Kh2 Qh4 41.Kg1 Qe1 42.Kh2 Qh4 43.Kg1 Qg5 44.Qc3 Qf6 45.a4 Rf4=+ 46.Qc7 Kh6 47.d5 Qd4 48.Kh2=+ Qf6 49.Kg1 Ra4 50.d6?? Qd4 51.Kf1 Ra1 (51...Ra1 52.Qc1 Rc1 53.Bd1 Rd1 54.Ke2 Qd3 55.Kf2 Rf1#) 0–1. Taylor,T (2385) – Szeberenyi,A (2415), FSGM October Budapest HUN, 2003.

9.c4 c5 10.bc5 Nc5 11.Bd4 dc4 12.Nc4 Rc8 13.Nce5 e6 14.g4 Nfe4 15.g5 Nd6 16.Ng4 Bf3 17.Bf3 Bd4 18.ed4 Nd3 19.Nf6 Kh8 20.d5 Nf4 21.Qa4 Nh3 22.Kh1 Ng5 23.Bg2 Nf5 24.Rf5? (better is 24.Nd7 Rg8 25.Rac1 Rc1 26.Rc1–+) 24...ef5 (24...gf5?! 25.Qd4 h6 26.Qb2–+) 25.Qd4 Ne6! (25...Ne6 26.Qe5 Ng7–+) 0–1. Rasmussen,Per Arnt – Jorgensen,Morten, a1–h8 Tournament #3, 2000. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6 7.0-0 Bb7)

9.c4 c5 10.bc5 Nc5 11.Bd4 dc4 12.Nc4 Nd5 13.Bg7+= Kg7 14.Qb1 f6 15.a4 Qd7 16.h4 (16.a5 b5 17.Nb2 Rab8=) 16...Nc7 (16...Rfc8 17.a5+=) 17.Nd4 (17.a5 b5 18.d4 Ne4=) 17...N7e6 18.Ne6 Qe6 19.Qb4 Na6 20.Qb2 Rac8 21.Na3 Nc5 22.Nb5 a6 23.Nd4 Qd6 24.Rfb1 Be4 25.Rf1 (25.d3 Nd3 26.Bd3 Bd3=) 25...Rfd8 26.Bg4 Rb8 27.a5 e5 28.fe5 fe5 29.Nf3 ba5 30.Qc3 Rb3 (30...Bf3 31.Rf3 Ne4 32.Qc4 Nd2 33.Rf7 Kh6 34.Qe2–+) 31.Qa5 Rb5 (31...Bd3 32.Rfc1 Rb5 33.Qc3+=) 32.Qc3+= Bf3 33.Bf3 Qe7 (33...Qd2 34.Qe5 Kg8 35.Rad1 Qd1 36.Bd1+-) 34.Be2 (34.d4 Nb3 35.Ra4 ed4 36.ed4 Rb6+=) 34...Rb6 (34...Ne4 35.Qc2 Rb4 A) 36.Ba6? Rd2 (36...Qh4?! 37.d4=; 36...Nd2?! 37.Rfd1 Ne4 38.h5+=) 37.Qc8 Rbb2–+; B) 36.d3+=) 35.Bc4 (35.Ra5!? Rc6 36.Ba6+/–) 35...Ne4 36.Qa5 Qc5 37.Qc5 Nc5 38.Ra5 Rc6 39.g4 Rd7 40.g5 e4 (40...Rd2?? 41.Rf7 Kg8 42.Rc7 Kf8 43.Rc6+-) 41.Rf6 Nb7 42.Rd5 Rcd6 (42...Nd6!?+=) 43.Rfd6+/– Rd6 44.Re5 Kf8 45.Re4 Rd2 46.Rf4 Ke8 47.Bf7 (47.Ba6!? Nd6 48.Bc4+/–) 47...Kd8+= 48.Bg8 Rd7 49.e4 Nc5 50.Kg2 Re7 51.Kf3 a5 52.Bd5 Nd7 53.Ke3 h6 54.Rf8?? (better is 54.gh6 Rh7 55.Kd4+=) 54…Nf8–+ 0–1. Larsen,Bent – Donner,Johannes H, Halle (zt), 1963. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 b6 7.0-0 Bb7)

9.c4 c5 10.bc5 Nc5 11.cd5 Bd5 12.Nc4 Rc8 13.Nce5 Nfd7 14.Nd7 Qd7 15.Bg7 Kg7 16.Nd4 Qb7 17.g4 e6 18.d3 Rcd8 19.Nb3 Bh1 20.Kf2 Qg2 21.Ke1 Qh2 22.Nc5 bc5 23.Qc2 Bg2 24.Bd1 Qg3 25.Qf2 Qf2 26.Rf2 Bb7 27.Rd2 Ba6 28.Be2 Rd7 29.Rc1 Rfd8 30.Rc5 Bd3 31.Ra5 Be2 32.Re2 Rd1 33.Kf2 R8d7 34.Kf3 R1d5 35.Ra6 g5 36.fg5 Rg5 37.Rh2 Kg6 38.Rc2 h5 39.gh5 Rh5 40.Rg2 Kf6 41.Rg4 Rf5 ½–½. N Otto – Koronowski, corr 1987.

9.d3 c5 10.bc5 Nc5 11.Rb1 Rc8 12.Nb5 a6 13.Nbd4 Qc7 14.Ne5 e6 15.Qe1 Na4 16.Ba3 Rfd8 17.Qh4 Nc3 18.Rb3 Ne2 19.Ne2 b5 20.Nd4 Re8 21.Bb4 Qd8 22.Rc1 Nd7 23.Qd8 Red8 24.Ba5 Be5 25.fe5 Re8 26.Nf3 g5 27.Bc3 h6 28.h3 Kg7 ½–½. Koslowski,Volker (2260) – Markus,Roland (2180), RH–2007–0-00059, 2007.

6.Be2 c6

7.0-0 Qb6 8.a3 a5 9.Bd4 Qc7 10.Be5 Qb6 11.Bd4 ½–½. Straschewski,Joerg (1950) – Diekers,Michael (2085), Landesliga Nord, 2008. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6)

7.0-0 Qd6 8.a3 Nbd7?? 9.Ne5?? Ne5?? 10.fe5+- Qe6 11.ef6 ef6 12.Bd3 f5 13.Bg7 Kg7 14.Qe2 Bd7 15.c4 f6 16.Nc3 h5 17.cd5 cd5 18.Nb5 Qe5 19.Rac1 a6 20.Nd4 g5 21.Nf3 Qe7 22.Nd4 f4?? 23.Bf5 fe3 24.Rc7 Rfd8 25.Bd7 Rd7 26.Nf5 Kf7 27.Ne7 Re7 28.Re7 Ke7 29.Qe3 Kf7 30.Qg5 Rg8 31.Qf6 Ke8 32.Qf7 Kd8 33.Qg8 Kc7 34.Qg6 Kb8 35.Rf7 d4 36.Qb6 Kc8 37.Qc7# 1–0. lllllll21 (1615) – byk69, kurnik, 2012.

7.0-0 Ne4 8.Bg7 Kg7 9.d3 Nf6 10.Ne5 Nbd7 11.Nd2 Ne5 12.fe5+= Nd7 13.Nf3 e6 14.Qe1 Qe7 15.a3 f5 16.ef6 Rf6 17.Qh4 b6 18.Ng5 h6 19.Nf3 Bb7 20.Nd4?? Rf1–+ 21.Rf1 Qh4 0–1. elsh1403 – sakati (1710), kurnik, 2011.

7.0-0 Ne4 8.Bg7 Kg7 9.d3 Nd6 10.Ne5 f6 11.Nf3 Nf5 12.Qd2 Qb6 13.d4 Nd7 14.c4 e6 15.Nc3 Qb4= 16.Rfb1 Qd6 17.c5 Qe7 18.e4 Nh6 19.Rf1 b6 20.cb6 ab6 21.e5 fe5 22.fe5 Nf5 23.Ng5 c5 24.dc5 bc5 25.g4 Nd4 26.Rf8 Nf8 27.Nb5?? Ne2–+ 28.Qe2 Qg5 29.Nd6 Bd7 30.Rf1 h5 31.Rf7 Kg8 32.h3 hg4 33.hg4 Ra4 34.Qf2 Rg4 35.Kf1 Qc1 36.Ke2 Qb2 37.Ke3 Qd4 38.Ke2 Qe5 39.Kf1 Qd6 40.Qf6 Rf4! 41.Qf4 Qf4 42.Rf4 e5 43.Rf6 Kg7 44.Rd6 d4 45.Ke2 e4 46.Kd2 Bf5 47.Rc6 e3 48.Ke2 Ne6 49.Rd6 Nf4 50.Kf3 Nd3 51.Ke2 Ne5 (51...Ne5 52.Kd1 d3–+) 0–1. elsh1403 – lily65, kurnik, 2011.

7.0-0 Bf5 8.d3 Nbd7 9.Ne5 Ne5 10.fe5 Nd7 11.d4 b6 12.Nd2 Qc7 13.g4 Be6 14.Nf3 h6 15.Bd3 Bg4 16.Qe1 f6 17.e6 Nb8 18.Bg6 f5 19.Ne5 Be5 20.de5 Kg7 21.Bf7 Rf7? 22.ef7+- Kf7 23.Qh4 Nd7?! 24.Qg4 Rg8 25.Rf5 (25.Rf5 Nf6 26.Qg8 Kg8 27.ef6+-) 1–0. elsh1403 (1610) – explicit (1655), kurnik, 2011.

7.0-0 Bf5 8.d3 Re8 9.Nbd2 Qb6 10.Bd4 Qb4 11.Rb1 Qa4 12.Rb7 Na6 13.Qb1 c5 14.Be5 Nd7 15.Nh4 Ne5 16.Nf5 gf5 17.fe5 Be5 18.Rf5 f6 19.Bf3 e6? 20.Rh5 Nc7 21.Nb3 Qc6= 22.Na5 Qa6 23.Qe1 Re7 24.c4 Rd8 25.cd5 ed5 26.Qh4?? Rdd7 27.Qg4+/– Rg7?? 28.Qf5 Qa5?? 29.Rb8 Kf7 30.Kf2 Qd2 31.Be2 d4 32.ed4 Bd4 33.Kf1 Qc1 (33...Qc1 34.Bd1 Qd1) 0–1. elsh1403 – lakyluciano, kurnik, 2011.

7.0-0 Bf5 8.Nd4 e6? 9.Nf5 ef5= 10.d3 Nbd7 11.Nd2 Re8 12.Rf3 Ng4 13.Bg7 Kg7 14.Nf1 Qb6 15.d4 Re7 16.h3 Ngf6 17.c4 Rae8 18.Qb3 dc4 19.Bc4 Ne4 20.Rd1 Ndf6 21.a4 Nd5 22.b5 Nec3 23.Rd3? Ne4?? 24.Bd5+= cd5 25.Qd5 Rc7 26.Nd2 Rc1 27.Kh2 Rd1?? 28.Qa2?? Rc8 29.Rf1 Nc3?? 30.Qc2 Rf1+/– 31.Rc3 Rc3+= 32.Qc3 Rf2?? 33.Nf3?? Qf6 34.Qc7 h6 35.Ne5 g5? 36.Nd7?? Qg6?? 37.Qe5+/– Kg8 38.Nf6 Kf8 39.Qe8?? Kg7= 40.Nd7? Qh7?? 41.Qf8 Kg6 42.Ne5 Kh5 43.Qf7?? Qf7–+ 44.Nf7 g4?? 45.hg4 fg4 46.Nd6 Kh4 47.Nb7?? g3 48.Kg1= Ra2 49.Kf1 Kg4 50.Nc5 h5 51.a5 h4 52.d5?? h3 53.d6 h2 (53...h2 54.b6 h1Q#) 0–1. elsh1403 – telyn (1635), kurnik, 2011.

7.0-0 Bg4 (--> 6.Be2 Bg4 7.0-0 c6).

7.Na3 b5 8.Ne5 (8.0-0 a5+=) 8...Nfd7 (8...a5 9.Nb1 ab4 10.a3-/+) 9.0-0 Ne5 10.fe5 f6 (10...a5!?-/+) 11.ef6 Bf6 12.Bf6 Rf6 13.Rf6 ef6 14.c3 Nd7 15.Nc2 Ne5 16.a4 ba4 17.Ra4 Qb6 18.Nd4 Bd7 19.Ra6 Qb7 20.Qf1 Kg7 21.h3 Rc8 22.Qa1 (22.b5 Ra8+=) 22...Rc7 23.Nb3 Qb8 24.Nc5 Bc8 25.Ra5 Re7 26.Qf1 Nd7 27.Nb3 Qc7 28.Nc5 Nc5 29.Rc5 Re5 (29...Bd7 30.Bd1=) 30.Qf4 (30.b5 Qe7 31.Rc6 Bb7=) 30...Qb6 31.Bf3 Qd8? (better is 31...Bf5!?=) 32.Rc6+/– a5?? (32...Bb7 33.Rc5 Re7 34.h4+/–) 33.Qd4 (better is 33.ba5 Bb7 34.Rb6+-) 33...Qd7?? 34.Qc5 (34.Qc5 d4 35.Qc4+- (35.Rc8 Rc5 36.Rc5 de3 37.de3 a4-/+)) 1–0. Poppner,Dietmar (2140) – Graul,Dieter (1730), Kreuzberg, 2000. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Be2 c6)

7.a4 a5 8.b5 cb5 9.ab5 Nbd7 10.0-0 Qc7 11.Na3 b6 12.c4 Bb7 13.cd5 Rfc8 14.Rc1 Qd6 15.Nc4 Qd5 16.Qa4 Nc5 17.Qa3 Qd8 18.d3 a4 19.Nfd2 h6 20.f5 g5 21.e4 Ne8 22.Bg7 Kg7 23.Rb1 f6 24.Rb4 Nd6 25.Rd1 Ra7 26.Rdb1 Nc4 27.Nc4 Rca8 28.Kh1 Bc8 29.Ne3 Rd7 30.Rd1 Bb7 31.Rbb1 Nb3 32.Nc4 Qc7 33.Bh5 Rad8 34.Be2 (worse is 34.Qa4 Nc5 35.Qa2 Nd3-/+) 34...Nc5 35.Kg1 Kf8 36.Qc3 Rd4 37.Ra1 R8d7 38.Qc2 Qd8 39.Nb2 Rb4 40.Bf1 Rdd4 41.Be2 Kg7 42.Kh1 Qd7 43.Nc4 Qb5 44.Na3 Qd7 45.Nc4 Qc7 46.Nd2 Qf4 47.Ra2 Rd7 48.Rf1 Qe3–+ 49.Nc4 Qd4 50.Rb2 Rb3 51.Rb3 ab3 (51...ab3 52.Qb2 Nd3 53.Qd4 Rd4 54.Bd3 Rd3–+) 0–1. Harangus,Emanuel (1935) – Castor,Emiliano (1875), BRA–ROM, 2010. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6)

7.a4 Na6 8.c3 (8.Ba6 ba6 9.a5 Nh5=) 8...Ne4 (8...Bg4 9.Ne5 Be2 10.Qe2+=) 9.d3 Nd6 10.Qc2 (10.Ra2 Be6 11.Ra3 Nb4-/+) 10...Bf5 (10...Qb6 11.Nd4-/+) 11.Nbd2 Nc4 (11...Qb6!? 12.Nd4 Bd4+=) 12.Nc4= dc4 13.e4 cd3 (13...Bg4 14.d4=) 14.Bd3= Bg4 15.0-0 (15.Ba6!? ba6 16.Nd4=) 15...Nb4 16.cb4 (16.cb4 Qb6) 16...Bb2 17.Qb2 Qd3 18.Ne5 Qe3 (18...Qe2 19.Qc3 Bc8 20.Rfe1+=) 19.Kh1= Be6 (better is 19...Qe2 20.Qa3 Be6=) 20.Rae1 (better is 20.f5 f6 21.fg6=) 20...Qb3-/+ 21.Qa1 Qa2 (21...f6 22.Rf3 Qb4 23.Nd3–+) 22.Qc3 (22.Qa2 Ba2 23.Rf2 Be6+=) 22...f6 23.f5? (better is 23.Nd3-/+) 23...fe5–+ 24.Qe5? (24.fe6 Qe6 25.Rf8 Rf8 26.h3-/+) 24...Bc4 25.Ra1 Qd2 26.fg6?? Bf1 27.Qe6 Kh8 28.Qe5 Rf6 29.Rf1 Raf8 30.h3 hg6 31.Rf3 Qd1 32.Kh2 Qd6 (32...Qd6 33.Qd6 ed6–+) 0–1. Certik,Matej – Kruppa,Dominik (2120), SVK–chB op Kaskady, 2002. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6)

7.a4 Qd6 8.c3 Nbd7 9.d4 (9.0-0 a5=) 9...Ne4 10.Nbd2 Ndf6 11.Ne4 Ne4 12.0-0 a5 13.b5 c5 14.c4 dc4 15.Bc4 Bg4 (15...Be6 16.Bd3 Bd5 17.Rc1=) 16.Be2 (better is 16.Qc2!? Be6 17.Bd3+/–) 16...Rac8= 17.Ne5 Be2 18.Qe2 cd4 19.Bd4 Qe6 20.Qb2 Nd6 21.Qa2 Qa2 22.Ra2 Nc4 23.Nc4 Bd4 24.Rc2 (worse is 24.ed4 Rc4 25.Rd1 Rd8+=) 24...Bc5 25.Rd1 b6 26.Kf2 Rc7 27.Kf3 Rfc8 28.Ne5 Kg7 29.Rd7 Kf6 30.Ke4 Ke6 31.Rc7 Rc7 32.g4 f5 33.gf5 gf5 34.Kf3 Rc8 35.Nc6 Kf6 36.e4 fe4+= 37.Ke4 Rc7 38.h4 Rd7 39.Na5 Rd4= 40.Kf3 Ra4 41.Nb7 Bg1 42.Rc6 Kf7 43.Kg4 Be3 44.Rh6 Rf4-/+ 45.Kg3 Rg4! 46.Kg4 Bh6 47.Nd8 0–1. Mohr,Jutta – Ebert,Wolfgang (2255), Darmstadt Weber Memorial op, 1997. (=1.f4 d5 2.Nf3 g6 3.e3 Bg7 4.Be2 Nf6 5.b4 0-0 6.Bb2 c6)

7.a4 Nbd7 8.Na3 (8.0-0 Qb6 9.b5 Ne4=) 8...a5 9.b5 Qc7 (9...Nc5!?=+) 10.0-0= Ne4 11.Bg7 Kg7 12.c4 e5 (better 12...Ndf6!?=) 13.bc6+- bc6 14.cd5 ef4 (14...cd5 15.Rc1 Qd6 16.Nb5+-) 15.dc6 (15.Qc2 Ndf6 16.dc6 fe3 17.de3 Qe7+-) 15...Qc6 16.Nd4 Qc5 17.Rf4 Ndf6 18.Nab5 Bd7 19.Rc1 Qe5 20.Qe1 Rac8 21.Rb1 (21.Bc4 h6+-) 21...Nd5 (21...g5 22.Rf1+=) 22.Rf1 (22.Re4 Qe4 23.Nd6 Qe5 24.Nc8 Rc8+-) 22...Nb4 23.Bf3 Nc5 24.Bd1 (24.Qg3 Qg3 25.hg3 Na4+=) 24...Ncd3 (24...Ne4 25.Qe2=) 25.Qh4 Nc6 (25...f5!?+=) 26.Nf3+- Qe7 27.Qg3 (27.Qe7 Ne7 28.Be2 Nc5+-) 27...Ncb4 28.Bb3 (better 28.Be2+-) 28...Be6? (better 28...Nc5+=) 29.Nfd4+- Nc5? (29...Kg8 30.Qd6 Qd6 31.Nd6 Bb3 32.Nc8 Ba2 33.Ne7 Kg7+-) 30.Nd6 (30.Nd6 Kg8 31.Ne6 fe6 32.Nc8 Rc8 33.d4 Nb3 34.Rb3+-) 1–0. Valls Marti,Artur (2160) – Font Gil,Oscar, 6th Obert Ateneu Colon, 2011. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d5 6.Be2 c6)

7.a4 Bg4 8.0-0 Nbd7 9.Na3 Qb6+= 10.b5 a6 11.c4 ab5 12.cb5 Rfc8 13.h3 Bf3 14.Rf3 Ne4 15.Bg7 Kg7 16.Qc2? cb5–+ 17.Qb2 Qf6 18.Qf6 Ndf6 19.Bb5 Nd2 20.Rf2 Nfe4 21.Re2 Rc3 22.Nb1?? Rc1 (22...Rc1 23.Re1 Re1 24.Kh2 Rb1 25.Rb1 Nb1–+) 0–1. LeSavouroux,Herve – Ould Ahmed,Samy (2275), Tournoi Accession, 2008.

7.a4 Bg4 8.0-0 Nbd7 9.a5 a6 10.Qe1 Re8 11.Qh4 Bf3 12.Rf3 e5 13.fe5 Ne5 14.Rh3 h6 15.Bd4 Ne4 16.Qd8 Rad8 17.d3 Nd6 18.Ra2 Nf3 19.Bf3 Bd4 20.ed4 Re1 21.Kf2 Rb1 22.c3 Rc1 23.c4 dc4 24.dc4 Nc4 25.b5? ab5–+ 26.a6 ba6 27.Ra6 Rd4 28.Rc6 Rd2 29.Kg3 Kg7 30.Rc5 Rb1 31.Kf4 Rd4 32.Kg3 Rd2 33.Rh4?? Ne3 34.Re4 Ng2! 35.Re2 Re2 36.Be2 Ne3 37.Bb5 Nf5 38.Kf2 Rb2 39.Kg1 Nd4 (39...Nd4 40.Bc6 Ne2 41.Kh1 f5–+) 0–1. Babionyshev,Vladimir (2260) – Zhizmer,Yuri (2205), Kiev–ch, 2000.

7.a4 Bg4 8.Na3 Nbd7 9.0-0 a5 10.b5 c5 11.c4 e6 12.Qb3 Qe7 13.d3 Rfd8 14.Rae1 Bf3 15.Bf3 Nb6 16.Rf2 Rd7 17.e4 d4 18.e5 Ne8 19.Bc1 Qd8 20.Nb1 Bf8 21.Nd2 Be7 22.Rfe2 Ng7 23.g4 Qc7 24.Ne4 Rdd8 25.Qd1 Nd7 26.Rf1 Re8 27.Qe1 Kh8 28.Qg3 f5 29.ef6 Bf6 30.h4 (30.b6 Qb8 31.Nf6 Nf6+/–) 30...Be7 31.Kg2 Rac8 32.Rh1 Nf8 33.Kf1 Bd8 34.Rg2 Nd7 35.g5 Nf5 36.Qg4 Nf8 (36...Ng7!?+/–) 37.h5 Kg7 38.hg6 hg6 39.Qh3 Kf7 40.Qh8 Ng7 41.Rgh2 e5 42.f5! (42.f5 gf5 43.Bh5 Nh5 44.Qh5 Ke7 45.Nf6+-) 1–0. De Ruiter,Tom – Kilgour,David A, SCO jub10–A corr, 1990. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6)

7.Qc1 a5 8.b5 cb5 9.Bb5 Nc6 10.0-0 Bf5 11.Na3 Rc8 12.Nd4 Bd7 13.Nc6 Bc6 14.Rb1 Qd7 15.Bc3 Ne4 16.Bc6 bc6 17.Bg7 (worse is 17.Ba5 Ra8 18.d3 Ra5 19.de4 Qa7-/+) 17...Kg7 18.Qb2 f6 19.Rbd1 Qd6 20.Nb1 Qc5 21.Nc3 Nc3 22.Qc3 Qc3 23.dc3 Rb8 24.Rb1 a4 25.Kf2 c5 26.Ke2 Kf7 27.c4 e6 1–0. Maljutin,Evgeni (2495) – Afanasiev,Vadim (2295), Moscow–ch, 1996. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Be2 c6)

7.c4 a5 8.b5 dc4 9.Bc4 Bf5 10.Na3 cb5 11.Nb5 Na6 12.Nbd4 Be4 13.0-0 Nc5 14.d3 Bd5 15.Rc1 Rc8 16.Ne5 Bc4 17.Rc4 Nfd7 18.Nd7 (18.Qc2 Ne5 19.fe5 b6=) 18...Qd7= 19.a4 Ne6 (19...Na6 20.Qc2=) 20.Ne6 Qe6 21.Re4 Qd7 22.Bg7 Kg7 23.Qb3 Rc7 24.Rd4 Qg4 25.Rc4 Rc4 26.Qc4 Rc8 27.Qd4 (27.Qe4 Qe2+=) 27...Kg8= 28.Qb2 Qe6 29.Re1 Qd5 30.Rd1 h5 31.Kf2 h4 32.h3 Rc5 33.Rd2 Qc6 34.Qd4 Rd5 35.Qe4 e6 36.Ke2 f5 37.Qf3 Qa4 38.Qf2 Qd7 39.Qh4 a4 (39...b5 40.g4=) 40.Qf6 Qf7 41.Qc3 Qe7 42.Rc2 Rd8 (42...b5 43.Qc6=) 43.Qa5 (43.Qe5 Qd6 44.Qd6 Rd6 45.Rc8 Kg7 46.Rc7 Kf6+=) 43...Qd7= 44.Kf2 Qd3 45.Qa4 b5 46.Qa2 Qd5 47.Qd5 Rd5 48.Rc7 Kf8 49.g4 fg4 (49...Rd2!? 50.Kg3 b4=) 50.hg4+= Ke8 51.e4 Rd7 52.Rd7 Kd7 53.Ke3 Kd6? (53...g5 54.f5 e5 55.Kd3+-) 54.Kd3 (54.g5 Kd7+-) 54...Kc5? (better 54...g5!? 55.f5 Ke5+-) 55.g5+- Kd6 56.Ke3 Kc5 (56...Ke7+-) 57.f5! gf5 (57...ef5 58.ef5 Combination; 57...gf5 58.g6 Passed pawn) 58.g6 1–0. Novak,Ales (2085) – Schula,Michal (2300), CZE–ChT2C, 2011. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6)

7.c4 dc4 8.Bc4 b5 9.Be2=+.

7.0-0 a5

8.b5 a4 9.Na3 Ne4 10.Bg7 Kg7 11.Qc1 Bg4 12.Qb2 Kg8 13.bc6 bc6 14.h3 Bf3+= 15.gf3 Ng3 16.Rf2 Qd6 17.Bd3 Nd7 18.Re1 Rfb8 19.Qc3 Nc5 20.Kg2 Nh5 21.Qe5?? Qe5 22.fe5=+ Rb2 23.Ra1 Ng7 24.Kf1 Nge6 25.Ke2 Nd7 26.f4 Nec5 27.Rff1 Rab8 28.Rfb1 f6 29.ef6 Nf6 30.Kd1 Nfe4 31.Be4 Ne4 32.Kc1 Rb1 33.Rb1 Rb1 34.Nb1 e5 35.Nc3 Nc3+= 36.dc3 a3 37.Kd2 Kf7 38.c4 Ke6 39.Kd3 Kf5 40.cd5 cd5 41.e4?? de4–+ 42.Kc4 ef4 (42...ef4 43.Kd4 g5–+) 0–1. Prieto,Ernesto (2235) – Diaz,Ricardo (2370), Bogota Lat Cup, 1992.

8.b5 cb5 9.Bb5 Nc6 10.Na3 Bf5 11.Be2 Rc8 12.Rb1 Qd7 13.Bc3 Bg4 14.Nb5 Ne4 15.Bg7 Kg7 16.d3 Bf3 17.Bf3 Nf6 Black prepares d4 18.Qe2 Rfd8 19.a4 e6 20.g4 d4 (20...h6 21.c3=) 21.Bc6 (21.g5 Nd5 22.ed4 Nf4+=) 21...bc6= 22.Nd4 Nd5 23.Nf3 (23.Rbe1 Ne3 24.Ne6 Qe6=) 23...Nc3 24.Qd2 Nb1 25.Rb1 Qc7 26.Qc3 Kg8 27.Ne5 Exerts pressure on the isolated pawn 27...Rb8 28.Rb8 Rb8 29.g5 (29.Nc6?? Rb6 30.Ne7 Qe7 31.Qa5 Qc7–+) 29...Qb6 30.Kf2 (30.Ng4 Qb2 31.Qc6 Qc1 32.Kg2 Qd2 33.Kh3 Qe1=) 30...Qb4 31.Qc6 Qd2 32.Kf3 ½–½. Stockhammar,Paer (1955) – Germanes,Ramil (1800), FICGS, 2010. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6 7.0-0 a5)

8.b5 cb5 9.Bb5 Nc6 10.a4 Bg4 11.Na3 Ne4 12.Bg7 Kg7 13.Be2 f6 14.Nb5 e5 15.d3 Nc5 16.Nd2 Be2 17.Qe2 Qd7 18.Qf2 Rac8 19.e4 Nb4 20.fe5 fe5 21.Qg3 Kg8 22.Qe5 Nc2 23.Rf8 Rf8 24.Rf1 ½–½. Fagerbekk,Egil (2255) – Solar,Jan (2370), WS/M/207 ICCF, 2009.

8.b5 cb5 9.Bb5 Nc6 10.a4 Bg4 11.Na3 Bf3 12.Rf3 Ne4 13.d4 Rc8 14.Qe1 Na7 15.Bd3 Nc5 16.Rb1 Nd3 17.cd3 b6 18.Qd1 Qd7 19.Rf2 Rc7 20.Bc1 Qd6 Draw agreed ½–½. verdi (2690) – nii_sama (2800), ChessWorld.net, 2014. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6 7.0-0 a5)

8.b5 cb5 9.Bb5 Nc6 10.a4 Bg4 11.Qe1 Rc8 12.Na3 Ne4 13.Bg7 Kg7 14.Bc6 bc6 (worse is 14...Rc6 15.Ne5 Qc8 16.d3+-) 15.d3 Bf3 16.Rf3 Nf6 17.f5 Rb8 18.Qc3 Qd6 19.fg6 ½–½. Eickmann,Markus – Dorer,Manfred, DESC O2005 email, 2006. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6 7.0-0 a5)

8.b5 cb5 9.Bb5 Nc6 10.a4 Bg4 11.h3 Bd7 12.Na3 Rc8 13.d3= Nh5 14.Bg7 Ng7 15.Qd2 Nf5 16.c4 dc4 17.Nc4+= Be8 18.g4 Nd6 19.Nd6 Qd6 20.Rac1 Rd8 21.d4 Nb4 22.Qe2 Bb5 23.Qb5 Nd5 24.Kf2 Qa3 25.Rfe1 Nc3 26.Qd3 Rc8 27.Ne5 Rc7 ½–½. Recasens Sanchez,Juan Antonio (2000) – Engel,Peter (2115), Spain – Germany, 2008.

8.c3 Qb6 9.Qb3 Bg4 (9...ab4!? 10.Qb4 Qc7+=) 10.ba5= Qa5 11.c4 Nbd7 12.d4 (12.Qb7? Rfb8 13.Qc6 Rb2 14.cd5 Nc5–+ (14...Qd5?! 15.Qc1 Raa2 16.Ra2 Qa2 17.Bc4–+; 14...Ra2?! 15.Ra2 Qa2 16.Nc3–+)) 12...e6 13.Nc3 (13.Qb7? Rfb8 14.Bc3 Rb7 15.Ba5 Ra5–+) 13...Bf3 14.Rf3 b6 15.a4 Rfd8 16.Rff1 c5 17.cd5 ed5 18.Bf3 (worse is 18.Nd5 Nd5 19.Qd5 Qd2-/+) 18...cd4 19.ed4 Nf8 20.Nb5 Ne6 21.g3 Rac8 22.Bc3 Qa8 23.a5 ba5 24.Ba5 Rd7 25.Bc7 Qb7 26.Be5 Qb6 27.Rfc1 Qb7 28.Qa4 Ne8 (28...Ne4 29.Rc8 Qc8 30.Qa8=) 29.Bg7 (29.Nc3!? Be5 30.fe5+/–) 29...Kg7 30.Nc3 Nf6 ½–½. Feldmann,Gerhard – Glitz,Martin, Mittelfranken–ch Nord HT, 1996. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6 7.0-0 a5)

8.a3 ab4 9.ab4 Ra1

10.Ba1 Na6 11.b5 cb5 12.Bb5 Qa5 13.Nc3 Ne4 14.Ne4 de4 15.Bg7 Kg7 16.Nd4 f6 17.c3 Rd8 18.Ba6 Qa6 (18...ba6? 19.Nc6 Qd5 20.Nd8 Qd8 21.Qc2+-) 19.Qb3 Qd3 20.Ne6 (20.Qb6!? Re8 21.Rf2=) 20...Be6+= 21.Qe6 Rd7 22.Rd1 Qd5 23.Qd5 Rd5 24.Kf2 f5 25.Ke2 Kf6 26.Ra1 Ke6 27.Ra8 Kf7 28.Ra7 Rd7 29.Ra5 Kf6 30.Rb5 h6 31.h4 e6 32.Rb6 Re7 33.Rb1 g5 34.Rh1 gf4 35.ef4 Rg7 36.Kf2 Rd7 37.Ke2 e5 38.fe5 Ke5 39.Rb1 Kf4 40.Rb6 Rg7 41.Kf2 h5 42.Rb1 Rd7 43.Rb2?? (43.Ke2 Kg4+=) 43...Kg4 (better is 43...Rd2! 44.Rd2 e3 45.Ke2 ed2 46.Kd2 Kg3–+) 44.d4? (better is 44.g3+=) 44...ed3–+ 45.Rb4 f4 46.Rd4?? (46.Ke1–+) 46...Rd4 47.cd4 Kf5 48.Kf3 b5 49.g4 fg3! (49...fg3 50.d5 g2 51.Ke3 g1Q 52.Kd2 Qb1 53.Kc3 Qc2 54.Kb4 d2 55.d6 d1Q 56.Kb5 Qdb1 57.Ka5 Qca2) 0–1. Sorensen,J (2070) – De Winter,Willy (2180), Fide Mercenarios, 1996. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d5 6.Be2 c6 7.0-0 a5)

10.Ba1 Na6 11.b5 Nc7 12.b6 Ne6 13.Ne5 Qb6 14.Nc3 Ne4 15.Ne4 de4 16.c4 f6 17.Ng4 h5 18.Nf2 Nc5 19.Qc2 Qb3 20.Qb3 Nb3 21.Ne4 Na1 22.Ra1 f5 23.Rb1?? fe4–+ 24.c5 Rf5 25.Rb4 Rc5 26.Re4 Bf6 27.Kf2 Bf5 28.Rb4 b5 29.h3 Rc2 30.d4 Bd3 0–1. elsh1403 (1605) – hunter31, kurnik, 2011.

10.Ba1 Na6 11.b5 Nc7 12.bc6 bc6 13.Ne5 c5 14.c4 d4 15.ed4 cd4 16.d3 Bb7 17.Bf3 Bf3 18.Qf3 Ne6 19.Nd2 Nh5 20.g3 Qc7 21.Re1 Qa5 22.Qf2 Be5 23.fe5 Qa3 24.Qe2 Nc5 25.Bd4+- Nd3 26.Ra1 Nc1 27.Qf2 Na2 28.Bc5?? Qb2+/– 29.Rb1 Qe5 30.Re1 Qf5 31.Qf5+- gf5 32.Be7 Re8 33.Kf2 f6 34.Ra1 Re7 35.Ra2 Kf7 36.Rc2 Ng7 37.Nf3 Ne6 38.Nh4 f4+= 39.g4 Rc7 40.Nf5+/– Ng5 41.h4 Ne6 42.Kf3 Rc5 43.Rc3 h5+= 44.Rc1 Kg6 45.Ne7 Kf7 46.Nd5 Nd4 47.Ke4 Ne2 48.Rd1? hg4–+ 49.Kf5? g3 50.Ra1 g2 (50...g2 51.Kg4 Rc4–+; 50...Rc4?! 51.Ra7 Ke8 52.Ra8 Kd7 53.Nb6 Kc6 54.Nc4=) 0–1. Fiedler,J (2090) – Aerni,Andi, 8th Hilton Schachfestival, Basel SUI, 2006.

10.Ba1 Qb6 11.c3 Qa7 12.Bb2 Nbd7 13.c4 Qa2 14.Qc1 Nb6 15.c5 Na4 16.Bd4 Bf5 17.Nc3 Nc3 18.Bc3 Ra8 19.Qa1 Ne8 20.Nd4 Bd7 21.Qa2 Ra2 22.Ra1 Ra1 23.Ba1 Nc7 24.Nb3 f6 25.Na5 Bc8 26.Kf2 Kf7 27.g4 h6 28.Kg3 e5 29.Bd3 e4 30.Be2 Bf8 31.Bc3 Be7 32.h4 Bd8 33.Nb3 Ne6 34.Nd4 Nd4 35.Bd4 Bd7 36.Bd1 ½–½. Gundersen,Helge (2210) – Zhelnin,Vladimir V (2430), Rijeka CRO, 2011.

10.Ba1 Nbd7 11.d3 Qb6 12.Nd4 Qb4=+ 13.Bc3 Qa4 14.Qd2 e5 15.fe5= Ne5 16.Nf3 Nf3+= 17.Bf3 Bg4?? 18.Bf6+- Bf3 19.Rf3 Bf6 20.Rf6 Kg7 21.Rf1 b5 22.Nc3 Qa5 23.Ne4 Qd8 24.Qc3 f6 25.Nc5 Qd6 26.e4 d4 27.Qb4 Re8 28.Ra1 Re7 29.Qa3 Qf4 30.Nb3 Qe3 31.Kh1 Rf7 32.Qc1 Qe2 33.Nd4 Qf2 34.Ne6 (34.Ne6 Kg8 35.Ra8 Rf8 36.Rf8#) 1–0. birdf4 (1790) – malamat (1660), kurnik, 2011.

7.0-0 Nbd7

8.a4 Qc7 9.c4 a5 10.b5 dc4 11.Na3 cb5 12.Nb5 Qd8 13.Bc4 Nb6 14.Bb3 Bf5 15.Ne5 Nbd5 16.Nd4+= Be4 17.Qe2 Nb4 18.d3 Bd5 19.Bd1 Nd7= 20.e4 Ne5 21.fe5 Bc6 22.Bb3 Qb6 23.Kh1 Rad8 24.Nc6 Nc6 25.Bd5 Be5 26.Be5 Ne5 27.Rab1 Qd4 28.Rb7 e6 29.Bc4 Nd3 30.Bd3 Qd3 31.Qd3 Rd3 32.Ra7 Rd4 33.Ra5 Re4 34.Ra7 Re2 35.h3 Ra2 36.a5 Kg7 37.a6 g5 38.Rc1 h5 39.Rc6 Kg6 40.Rb7 g4 41.Kh2 Rd8=+ 42.hg4 hg4 43.a7 Rdd2–+ 44.Kg3 Rg2 45.Kf4 Ra4 46.Ke5?? Rd2 47.Rc5 f6 (47...f6 48.Ke6 Re4 49.Re5 Re5#) 0–1. Alekseev,Vadim (2355) – Notkin,Maksim (2515), Minsk op, 1996.

8.a4 Qc7 9.c4 dc4 10.Bc4 Nb6 11.Be5 Qd8 12.Be2 Nbd5 13.b5 cb5 14.ab5 Ng4 15.Bg7 Kg7 16.Na3 Ngf6 17.Nc4 Bd7 18.Nd4 a6 19.ba6 Ra6 20.Ne5 Ra1 21.Qa1 Bc8 22.Rc1 Kg8 23.g4 Nd7 24.Nd3 N7f6 25.g5 Ne4 26.Qa2 Bf5 27.Bf3 Qd6 28.Nf5 gf5 29.Be4 fe4 30.Nf2 Nb4 31.Qb3 Nd3 32.Nd3 ed3 33.Qb7 Qe6 34.Kf2 Qh3 35.Qg2 (worse is 35.Qe7 Qh2 36.Kf3 Qd2-/+) 35...Qh4 36.Kf3 Rd8 (36...Re8!?+/–) 37.h3 Qh5 38.Qg4 Qg6 39.Rc8 Rc8 40.Qc8 Kg7 41.Qd7 e6 42.Qd4 Kg8 43.Kg3 1–0. Fagerbekk,Egil (2050) – Glorstad,Trond (2000), NOR WS Gr–B email, 2007. (=1.f4 d5 2.Nf3 g6 3.e3 Bg7 4.Be2 Nf6 5.b4 c6 6.Bb2 0-0 7.0-0 Nbd7)

8.Nc3 Re8 9.Rb1 Nb6 10.a4 Bg4 11.a5 Nc4 12.Ba1 Nd6 13.Bb2 a6 14.Na4 Nfe4 15.Bg7 Kg7 16.d3 Nf6 17.Ne5 Bf5 18.Nb6 Rb8 19.Qc1 h5 20.Rb2 Rh8 21.Rd1 Qg8 22.c4 dc4 23.Nec4 Qe8 24.Nd6 ed6 25.e4 Bg4 26.Qc3 d5 27.e5 Kh7 28.Rc1 Rd8 29.Qe1 Be2 30.Re2 Ng4 31.e6 f6 32.e7+- Rb8 33.h3 Nh6 34.g4 hg4+= 35.hg4 Kg7 36.g5 Ng4 37.Qc3 Rh3 38.gf6 Nf6 39.Re6 d4 40.Qd4+- Qf7 41.Rce1 Rbh8?? 42.e8N Re8 43.Re8 Rg3 1–0. Comet B50 – Comet B25, 2004.

8.c4 Nb6 9.c5 Nc4 10.Bc3 a5 11.Qb3 ab4 12.Qb4 Ne4 13.Bg7 Kg7 14.Bc4 dc4 15.Qc4 Nf6 16.Ne5 Be6 17.Qc2 Bf5 18.d3 Nd7 19.e4 Ne5 20.fe5 Be6 21.Qc3 h6 22.Nd2 Ra2 23.Ra2 Ba2 24.Ra1 Be6 25.Ra7 Qc7 26.Qb2 Rb8 27.d4 h5 28.Kf2 g5 29.Ke3 h4 30.Qb4 Kg6 31.Nc4 Bc4 32.Qc4 Qd8 33.d5 cd5 34.ed5 Qc7 35.d6 ed6 36.ed6 Qd7 37.Qe4 Kf6 38.Kd4 g4 39.Qe5 Kg6 40.Qe7 Qe7 41.de7 Kf6 42.Ke4 1–0. marvis (1615) – 60piter, kurnik, 2012.

8.c4 h6 9.Nc3 dc4 10.Bc4 Nh7 11.Qb3 Nb6 12.Ne5 Nc4 13.Qc4 Be6 14.Qe2 Be5 15.fe5 Qc7 16.d4 Ng5 17.h4 Nh7 18.Ne4 b5 19.Qf2 Bd5 20.Nc5 a5 21.a3 ab4 22.ab4 f5 23.Qg3 g5 24.Ra8 Ra8 25.e4 f4? 26.Qg4 Bc4 27.Ra1 Ra1 28.Ba1 Qa7 29.Bc3 Qa3 30.Qc8 Kf7 31.e6 Kg7 32.d5?? Nf6 33.Bf6+- Kf6?? 34.Nd7 Kg6 35.Qe8 Kg7 36.Qf7 Kh8 37.Qf8 Kh7 38.Qe7 Kh8 39.Qf8 Kh7 40.Nf6 Kg6 41.h5# 1–0. lllllll21 (1700) – robrobert, kurnik, 2012.

8.Ne5 Ne4 9.d3 Nd6 10.Nd2 Qb6 11.Bd4 Qb4 12.Ndf3 c5 13.a3 Qa5 14.Bb2 Nf5 15.Bc1 Ne5 16.fe5 d4 17.ed4 Nd4 18.Bd2 Qb6 19.Nd4 cd4 20.Bb4 Qe6 21.Bf3 Rb8 22.Re1 b6 23.Qe2 Bb7 24.Bb7 Rb7=+ 25.Qe4 Rd7 26.Re2 Rd5 27.Rae1? Rc8 28.Qf4? a5–+ 29.Bd2 Rc2 30.Bc1 Re2 31.Re2 Re5 32.Rf2 Re1 33.Rf1 Rf1 34.Kf1 Bf6 35.Qb8 Kg7 36.Bd2 h6 37.Qf4 Qf5 38.Qf5 gf5 39.Bf4 e5 40.Bg3 Kg6 41.Ke2 f4 42.Bf2 Kf5 43.g3 fg3 44.Bg3 h5 45.Bf2 Be7 46.Bg3 Ba3 47.Bf2 b5 48.Kd2 b4 49.Kc2 a4 50.Kb1 b3 51.Be1 Bb4! 52.Bf2 Bc3 53.Bg3 a3 54.Kc1 a2 55.Kd1 a1Q 56.Ke2 Qc1 57.Kf2 Qe3 58.Kg2 b2 59.Kh3 b1Q 60.Kg2 Qbd3 61.Kh3 Qde4 (61...Qf1 62.Kh4 Qg5#). elsh1403 – savoyak (1745), kurnik, 2011.

8.Ne5 Ne4 9.d3 Ne5 10.fe5 Ng5 11.h4 Ne6 12.Nd2 Qb6 13.d4 Qb4 14.Rb1 Qa5 15.a3 Bh6 16.Rf3 c5 17.c4 cd4 18.ed4?? Qd2 19.Qf1 Nd4 20.Rd3 Ne2 21.Kh1 Qd3 22.Rd1 Ng3 23.Kg1 Qf1 24.Rf1–+ Nf1 25.Kf1 dc4 26.Kf2 Be6 27.Bc3 Rad8 28.Bb4 Rfe8 29.Kf3 Rd5 30.Ke4 a5 31.Bc3 Red8 32.Ba5 Ra5 33.g3 Rdd5 34.g4 Re5 35.Kf3 Bg4! 36.Kg4 Rf5 37.h5 Rae5 38.hg6–+ Rf4 39.Kg3 Re3 40.Kg2 hg6 41.a4 Rd4 42.Kf2 Rd2 43.Kf1 Rc3 (43...Rc3 44.a5 Rc1#; 43...Ra3 44.a5 Ra1#) 0–1. elsh1403 – grno, kurnik, 2011.

8.Ne5 Ne5 9.fe5 Nd7 10.d4 b6 11.c4 dc4 12.Bc4 c5 13.Qb3 cd4 14.Rf7 Rf7? 15.Bf7+- Kh8 16.ed4 Nf8 17.Nc3?? e6?? 18.Ne4 Bb7 19.Nf6?? Bf6 20.ef6 Bd5 21.Qg3 Qf6?? 22.Rf1+/– Qg7 23.Qg4 Rd8 24.Qf4 h5 25.Qf6 Qf6= 26.Rf6 Kg7 27.Rf2 Rd7 28.Be8 Rc7 29.h3 Nd7?? 30.Rf7+- (30.Rf7 Kg8 31.Rd7+-) 1–0. elsh1403 (1700) – nik60 (1650), kurnik, 2012.

8.Ne5 Ne5 9.fe5 Nd7 10.d4 Nb6 11.Nd2 Bf5 12.c4 dc4 13.Nc4 Nd5 14.a3 b5=+ 15.Na5 Ne3 16.Nc6 Nd1 17.Nd8 Nb2 18.Nc6 a6 19.Ne7+= Kh8 20.Nf5 gf5 21.Rf5 Nc4 22.Bd3 h6 23.Raf1? Ne3–+ 24.Rf7 Nf1 25.Rf1 Rf1 26.Kf1 Rd8 0–1. elsh1403 – bspasski, kurnik, 2011.

8.Ne5 Ne5 9.fe5 Nd7 10.d4 f6 11.ef6 ef6 12.c4 Nb6 13.Nd2 Qe7 14.Qb3 dc4 15.Nc4 Nc4 16.Bc4 Kh8 17.Rae1 Bf5 18.e4 Be4 19.Bd3 f5 20.d5 cd5 21.Bg7 Qg7 22.Be4 de4 23.Re2 h6 24.Rd1 Rf7 25.a4 b6 26.b5 Re8 27.Rd6 f4 28.Qd5 e3 29.Qc6 Qa1 30.Qc1 Qc1 31.Rd1 Qd1 32.Re1 Qe1 0–1. elsh1403 – eccu (1735), kurnik, 2012.

8.Ne5 Ne8 9.d3 Qc7 10.Nd7?? Qd7?? 11.Bg7= Kg7 12.Nd2 Nf6 13.Nf3 Qc7 14.Ne5 Nd7 15.d4 f6 16.Nd3 b6 17.Qe1 Rf7 18.f5 Nf8 19.Qh4 Kg8 20.Bg4 Bd7 21.Rf3 Qc8 22.Raf1 Rg7 23.b5 cb5=+ 24.Nb4 Qc4–+ 25.a3 a5 26.fg6? Ng6 27.Qh3 Bg4 28.Qg4 ab4 29.Qe6 Kh8 30.ab4 Rd8 31.Qb6 Rdg8 32.Qc5 Qc5 33.bc5 Rb8 34.Ra1 Rgg8 35.Ra7 Rgc8 36.Rf1 Kg8 37.Rfa1 Kf7 38.Kf2 b4 39.R1a6 b3 40.cb3 Rb3 41.c6? Rc3–+ 42.Rb7 R3c6 43.Raa7 Rc2 44.Kf3 Rd2 45.g3 Rcc2 46.h4 Rf2 47.Kg4–+ h5! 48.Kh5 Rf3 49.Kg4 Re3 50.h5 Nf8 51.h6 Rce2 0–1. elsh1403 (1685) – eccu (1710), kurnik, 2011.

6.Be2 Nc6

7.a3 e5 8.b5 e4 9.bc6 ef3 10.Bf3 bc6 11.0-0 Ba6 12.Be2 Be2 13.Qe2 Re8 14.Qf3 Rb8 15.Be5 Ne4 16.Bg7 Kg7 17.d3 Qf6 18.Ra2 Rb1! 19.Rb1 Nd2 20.Qd1 Nb1 21.Qb1 Re3 22.Qb2 1–0. Koziol,Pawel – Blas,Igor (1870), SI–2007–0-00105, 2007.

7.b5 Na5 8.0-0 c6 9.Na3 a6 10.ba6 b5 11.d3 Qb6 12.Qc1 Ba6 13.Nb1 c5 14.Nbd2 Nc6 15.Nb3 b4 16.a3 c4 17.Bd4 Qc7 18.Nc5 Nd4 19.ed4 cd3 20.Na6 Ra6 21.Bd3 Ra3 22.Ra3 ba3 23.Qa3 e6 24.Ne5 ½–½. Suc,Timothy (1835) – Petters,Paul (1675), IECC, 2001.

7.b5 Na5 8.Na3 c6 9.Ne5 cb5 10.Nb5 a6 11.Nd4 Nd7 12.Ndf3 f6 13.Nd7 Bd7 14.0-0 b5 15.Rb1 Nc4 16.Bc3 Re8 17.Kh1 Bf5 (17...Rc8 18.Rb3+=) 18.Nd4= Be4 19.f5 Qd7 20.Bg4 Qd6 21.fg6 hg6 22.Be6 Kf8 23.Qg4+/– Ne5 24.Qh3 g5 25.Rf6!! ef6 26.Bb4 Red8 27.Bd6 Rd6 28.d3 Bg6 29.Qg3 Rb6 30.Rf1 Rd8 31.Qe5 Ke7 32.Qc7 (32.Qc7 Ke8 33.Qg7 Rb7 34.Bd7 Rdd7 35.Qh8 Ke7 36.Qf6 Ke8 37.Qf8#) 1–0. Sukha,Tatiana – Vulf,Olga, UKR–ch (Women), 2000.

7.b5 Nb4 8.a3 Nc2 9.Qc2 Bf5 10.d3 c6 11.a4 Ne4 12.Bg7 Kg7 13.de4 Be4 14.Qc3 Kg8 15.Nbd2 Qd6 16.0-0 Rad8 17.Rfd1 c5 18.Ne4 Qd7 19.Ne5 d4 20.Qb3 Qf5 21.Ng5 Kg7 22.Bd3 Qf6 23.g3 de3 24.Ng4 Qd4 25.Bc4 f6 26.Ne6 Kh8 27.Rd4 cd4 28.Rd1 Rfe8 29.Nd8 Rd8 30.Ne3 1–0. Sixty4 – lionkovash, playchess.de, 2001.

7.b5 Nb4 8.a3 Nc2 9.Qc2 Bf5 10.d3 Qd6 11.Nc3 a6 12.0-0 Ng4 13.Qd2 h5? 14.h3 Nh6? 15.a4 e5? 16.fe5 Be5 17.Ne5 Qe5 18.Ne4 Qe6 19.Ng5 Qb6 20.Bd4 c5 21.bc6! Qc6 22.Rfc1 Qd6 23.Bc5 Qf6 24.h4 Rfc8 25.Bd4 Rc1 26.Rc1 Qd6 27.e4 Bg4 28.e5 Qd7 29.Qf4 Be2 30.e6! fe6 31.Rc7 Qe8 32.Qf6 Bd3 33.Qh8# (33.Qg7#) 1–0. elsh1403 – besitzer, kurnik, 2012.

6.Be2 Qd6

7.a3 a6 8.0-0 Nc6 9.d4 Bg4 10.Nbd2 b5 11.Ne5 Be2 12.Qe2 Nd7 (12...Rfb8 13.c3=) 13.Nd7 Qd7 14.Nb3 Rfb8 15.Nc5 (15.c3 a5=) 15...Qd6+= 16.c3 a5 17.f5 gf5 18.Rf5 e6 19.Rf2 f5 20.Raf1 Ne7 21.Rf3 e5 0-1. Dr_Dee (2145) - dewil (2565), ChessWorld.net, 2010. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2)

7.a3 a6 8.0-0 Nc6 9.Be5 Qd8 10.d4 Ne5 11.Ne5 Ne4 12.c4 c6 13.c5 f6 14.Nd3 e5 15.Bf3 ed4 16.ed4 Bf5 17.Ra2 Qc7 18.Re2 Rae8 19.Qb3 Re7 20.Nc3 Kh8 21.Rfe1 Rfe8 22.g3 Qd7 23.Qc2 Nc3 24.Qc3 Be4 25.Bg2 Qd8 26.Re3 Bg2 27.Re7 Re7 28.Kg2 Qe8 29.Re7 Qe7 30.Nf2 Kg8 31.Kf3 Kf7 32.Qe3 h6 33.Qe7 Ke7 34.f5 Kf7 35.g4 g5 ½–½. Goncalves,CJ (1915) – Corujedo Hernandez,R (2450), CADAP XX Zonal Etapa Semifinal – Grupo, 2006.

7.b5 a6 8.a4 ab5 (8...Bf5 9.Nd4=+) 9.ab5 Ra1 10.Ba1 Bg4 11.0-0 Nbd7 12.Be5 Qc5 (12...Qb6 13.Nc3=) 13.d4 Qb6 14.Nc3 (14.c4 dc4 15.Bc4 Ra8+=) 14...e6 (14...Ra8 15.Bd3=) 15.Qa1 Bf3 16.gf3 Ne5 17.fe5 Nd7 18.f4 c6 19.Rb1 Qc7 20.b6 Qc8 (worse 20...Nb6 21.Qa5 Na8 22.Qc7 Nc7 23.Rb7+-) 21.Na4 Re8 22.c4 dc4 23.Bc4 Bf8 24.Nc3 Qa8 25.Ne4 (25.Qa7 Rd8+=) 25...Be7 26.Qb2 Qa4 27.Bb3 (27.Qc3 Qa8+=) 27...Qa5 (27...Qa6 28.Bc2=+) 28.Bc4 Ra8 29.Qb3 Kf8 (better 29...Qa3=) 30.f5 (better 30.Ng5+=) 30...gf5-/+ 31.Be6 (31.Nd6 Bd6 32.ed6 f4-/+) 31...Ne5 (31...fe6!? 32.Qe6 Qa2 33.Qf5 Ke8 34.Nd6 Bd6 35.ed6 Qg8 36.Kh1 Qd5 37.e4 Qd6 38.Rg1–+) 32.Rf1-/+ fe4 (32...fe6 33.Qe6 Qb6 34.Qe5+- (34.Rf5?! Ke8 35.Rf1 Nd7+=)) 33.de5 Qe5 34.Rf7 Ke8 35.Rf1? (35.Bg4 h5 36.Qe6 Qe6 37.Be6 Ra1 38.Kf2 Rb1-/+) 35...Ra1?? (better 35...Bd6 36.Bf7 Ke7–+) 36.Bc8?? (better 36.Bg4 Rf1 37.Kf1-/+) 36...Qg5 (36...Qg7 37.Kf2 Bh4 38.Ke2 Qg2 39.Rf2 Qf2) 37.Kf2–+ Qf6 38.Kg3 Rf1 39.Qg8 Bf8 (39...Bf8 40.Qe6 Qe6 41.Be6 Bc5–+) 0–1. Paltrinieri,N (2295) – Hove,E (2335), 33rd ECC Open, 2017. (=1.f4 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0)

7.b5 a6 8.Be5 Qd8 9.a4 Nbd7 10.Bb2 ab5 11.ab5 Ra1 12.Ba1 Nc5 13.0-0 Bf5 14.Be5 Qd7 15.Nd4 Bg4 16.Bg4 Ng4 17.Bg7 Kg7 18.Nc3 Nf6 19.Qa1 Qd6 20.Nce2 e6 21.Nf3 Ncd7 22.g4 Kg8 23.g5 Ne4 24.d3 Nec5 25.Qa7 Nb6 26.Qa3 Ra8 27.Qc3 Ra2 28.Rc1 Nba4 29.Qa5 b6 30.Qe1 Nb7 31.Nfd4 Qa3 32.Rb1 Qf8 33.Ra1 Qa3 34.Ra2 Qa2 35.Qc1 Nd6 36.Kg2 Nc5 37.Nc3 Qa8 38.Kf1 ½–½. Geus,Alan de – Pascoal,Jose Sargento, Netherlands – Portugal, 2005.

7.b5 a6 8.Be5 Qd8 9.ba6 Na6 10.0-0=.

7.b5 Ne4 8.Qc1 (8.Bg7 Kg7 9.0-0 a6=) 8...a6 9.Na3 (9.Bg7 Kg7 10.Qb2 Kg8=) 9...ab5 (9...f6 10.c4=) 10.Bg7 Kg7 11.Nb5 Qb6 12.0-0 (12.Qb2 f6 13.Qd4 Qd4 14.Nfd4 Na6=) 12...c6 13.Nbd4 Na6 (13...c5 14.Nb5=) 14.Rb1+= Qc7 (14...Qa5 15.Qb2 Nf6 16.Nb3+=) 15.Qb2 Threatening mate: Nf5 15...f6 16.Ng5 (16.c4 dc4 17.Bc4 b5+=) 16...Ng5 (16...Nec5 17.Ba6 Ra6 18.Qc3+=) 17.fg5+= Qe5 (17...b5 18.gf6 Rf6 19.Rf6 ef6 20.Rf1=) 18.gf6 ef6 (18...Rf6 19.Rf6 ef6 20.c3+=) 19.Qb6 Nb8 20.Nf3 Qd6 21.Qb2 (21.Ra1 Nd7 22.Qd4 Qc5=) 21...b5 22.Nd4 (22.Qa1 Bg4=) 22...Bd7 (22...Qa3 23.Qa3 Ra3 24.Rb2=) 23.Rf4 (23.Ra1 Qa3 24.Qb1 b4=) 23...Na6 (23...Qa3 24.Qa3 Ra3 25.Rb2=) 24.Bg4 (24.Ra1 Nc7=) 24...Bg4 25.Rg4 Kf7 26.Rh4 Kg8 27.Nb3 (27.Rf4 Nc5=) 27...Nb8 28.Nc1 (28.Rf1 f5=) 28...Nd7=+ 29.Nd3 (29.Rf4 Ne5=+) 29...c5 (29...Ne5 30.Qb3-/+) 30.c3 (30.Ra1 Rfb8=+) 30...Ne5 31.Ne5 (31.Qc2 Ra5=+) 31...Qe5 (31...fe5!? 32.d3 Ra5-/+) 32.Qb5 Ra2 33.Qc5 Rd2 34.Qa7 (34.Rh7 Re8 35.Rbb7 Qe3 36.Qe3 Re3 37.Rbg7 Kf8=) 34...h5 35.Qc5 (35.Rb7 f5 36.Qb6 Qe8=) 35...Qf5 (35...Re8 36.Rf4-/+) 36.e4=+ Qg5 (36...de4 37.Qf5 gf5 38.Rh5=+) 37.g3= Rd3 (37...Re8 38.Rf4=) 38.Kh1 Qe5 Attacking the isolated pawn on c3 39.ed5 Rc3 The passed pawn on d5 will quickly become a dangerous weapon 40.Qb5 (better 40.Qd4=) 40...Rfc8 41.Rd1 Rc1 42.Qd3 (42.Rf1 Rf1 43.Qf1 Qd5 44.Kg1–+) 42...Rd1 43.Qd1 Qe3 44.Kg2 Rc1 45.Qd4 (45.Qc1 Qc1 46.Re4–+) 45…Rc2 (45...Rc2 46.Qd2 Qd2 47.Kf3 Qd3 48.Kf4 g5) 0–1. Bialas (2275) – Jokinen, corr ICCF WT–M–435, 1991. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Qd6)

7.b5 Ne4 8.Bg7 Kg7 9.0-0 Qf6 10.c3 Bf5 11.Na3 Nd7 12.Nc2 Ndc5 13.Ncd4 Rfd8 14.Ne5 Nd7 15.g4 Kh8? (better is 15...Be6 16.Nd3 Qh4=) 16.gf5+- (16.Nf5?! gf5 17.g5 Qg7=) 16...gf5 17.Nd7 Qg6 18.Kh1 Rg8 19.Bf3?? (19.Bg4 fg4 20.Ne5+/–) 19…Qg1!! (19...Qg1 20.Rg1 Nf2) 0–1. Schiller,Thomas (1880) – Carl,Jan Frederik (1745), Pinneberg–ch, 2004. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0)

6.Be2 Nbd7

7.0-0 a5 8.b5 Nc5 9.a4 Ne8 (9...Nce4 10.Be5=) 10.Bg7+= Ng7 11.d4 Ne4 12.c4 dc4 13.Nfd2 (13.Bc4 Be6 14.Bd3 Nf6+-) 13...Nf6 (13...Nf5 14.Nc4 Be6 15.Nbd2+=) 14.Nc3 Nf5 15.Nc4 Be6 16.Qd2 Bc4 17.Bc4 Ng4 18.Rfe1 e5 (18...Rc8!?+=) 19.fe5+- Qh4 20.g3 Qh6 21.Nd5 (21.e6!?+-) 21...Nd4+- 22.Nf6 Kg7? (better 22...Nf6 23.Qd4 Rad8+-) 23.Ng4?? (better 23.Bd5 Nf3 24.Bf3 Ne5 25.Bb7+-) 23...Nf3= 24.Kg2 Nd2 25.Nh6 Nc4 26.Ng4 h5 (26...Nb6 27.Rec1 Rfc8 28.Nf6=) 27.Rec1 Nd2 28.Ra2 Rfd8 (better 28...Nb3!? 29.Rc3 hg4 30.Rb3 Rfe8=) 29.Nf6+- Rac8 30.Rcc2 Nb1 31.Ra1 (31.Ne4 Rd3+-) 31...Rd2+= 32.Rd2 Nd2 33.Rc1 c5 (33...c6 34.Kf2+=) 34.Rc2+- Nb3 35.Rc3 (35.Ne4 b6 36.Nd6 Rd8+-) 35...c4 36.Ne4 Re8 37.Rc4 (37.Nd6 Re5 38.Nb7 Nc5 39.Nc5 Rc5+-) 37...Re5 38.Kf2 f5 (38...Re7 39.Ke2=) 39.Rc7+= Kf8 40.Ng5 Re7 (40...b6 41.Rc8 Ke7 42.Rc6=) 41.Rc2 (41.b6!?+-) 41…Nd2 ½–½. Borodin,Vladimir – Rooze,Jan, Belgian championship, 1967. (=1.e3 Nf6 2.f4 d5 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7)

7.0-0 b6 8.b5 Bb7 9.a4 c5 10.bc6 Bc6 11.Ne5 Bb7 12.Nd7 Qd7 13.Be5 Rac8 14.c3 a6 15.Qb3 Qc6 16.Ra2 Nd7 17.Bg7 Kg7 18.Na3 Nc5 19.Qb4 a5 20.Qd4 f6 21.Bb5 Qd6 22.f5 g5 (22...gf5!? 23.Rf5 Ne4=) 23.Qg4 Ne4 24.Qe2 h5 (24...Rg8!?+=) 25.Nc2+/– (worse is 25.Qh5 Rh8 26.Qg6 Kf8-/+) 25...Rh8 26.Nd4 Kf7 27.Ba6 Ba6 28.Qa6 h4 29.Rb1 Rb8 30.Qe2 Rbg8 31.Rab2 Rb8 32.c4 Nc5 33.Ra1 h3 34.g3 Ne4 (34...dc4 35.Qc4 Kg7 36.Rc2+/–) 35.Qf3 g4 36.Qg4 (36.Qe2!?+/–) 36...Rbg8+= 37.Qf4 Qf4 38.ef4 dc4 39.Re1 (39.Rb6 Rd8 (39...Nd2?! 40.Ra2 c3 41.Rb5+=) 40.d3 cd3-/+ (worse is 40...Rd4 41.de4 Rc8 42.Rb2+=)) 39...c3 (39...Ng3 40.hg3 Rg3 41.Kh1 Ra3 42.Rb6 Ra4+-) 40.dc3+/– Nc3 41.Rb6 Na4 42.Rb7 Re8 43.Ra7 (43.Nc6 Kg7+-) 43...Nb6 44.Nc6 Nd5 (44...Nc8!? 45.Ra6 a4+/–) 45.Ra5+- Rc8 46.Re6 Ne3 47.Re7 Kf8 48.Re3 1–0. Kujawski,Kazimierz (2070) – Lipinski,Tomasz (1800), Poznan op Poland, 1996. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d5 5.e3 0-0 6.Be2 Nbd7)

7.0-0 b6 8.c4 e6 9.Qc2 Bb7 10.c5 (10.Nc3 dc4 11.Bc4 Qe7=) 10...c6 11.d4 (11.Ne5 a5 12.Nd7 Nd7 13.Bg7 Kg7 14.ba5 Ra5 15.cb6 Qb6=) 11...Ng4 12.Qc1 (12.Qd2 a5 13.cb6 ab4+=) 12...h5 (12...a5 13.a3 ab4 14.ab4 Ra1 15.Ba1 Nh6=) 13.h3 Nh6 14.Bc3 Nf5 15.Be1 Qe7 16.g4 hg4 17.hg4 Nh6 18.Ne5 Ne5 19.g5?? (better is 19.de5 Rfc8 20.Nd2+=) 19...Neg4 (19...Nf5 20.de5 Be5 21.Bc3 (21.fe5 Qg5 22.Bg3 Qg3 23.Kh1 Qh4 24.Kg2 Qe4 25.Rf3 d4 26.Nd2 Ne3 27.Kg1 Qg4 28.Kf2 Qh4 29.Kg1 Qg5 30.Kf2 Ng4 31.Kg3 Ne5 32.Kf2 Ng4 33.Kf1 Qh5 34.Bd3 a5 35.Ke1 ab4 36.Ne4 f5 37.Ng3 Qh4 38.Qc4 f4 39.Qe6 Kh8 40.Kd2 fg3 41.Rf8 Rf8 42.Kc2 g2 43.Kb2 Qf2 44.Be2 d3 45.Qc4 de2 46.Re1 Qe1 47.Qd4 Rf6 48.Qd8 Kg7 49.Qd7 Kh6 50.Qd3 g1Q 51.Qd2 Qd2 52.Kb3 Qc5 53.a4 Rf3#) 21...Bc3 22.Nc3 bc5 23.bc5–+) 20.gh6 Nh6 21.Rf2 Nf5 22.Qc3 a5 23.a3 ab4 24.ab4 Ra1 25.Qa1 bc5 26.Bc3 Qh4 27.Rf3 Qg4 28.Kh2 cd4 29.ed4 Nd6 30.Nd2 Bh6 31.Qf1 Ne4 32.Ne4 de4 33.Rf2 Qh4 34.Kg2 e3 35.Rf3 c5! 36.dc5 Bf4 37.Qg1 Qg3 38.Kf1 Bf3 39.Qg3 Be2 40.Ke2 Bg3 41.Ke3 Rd8 42.b5 Rd5 43.Bb4 Bh2 44.Kf2 Be5 45.b6 Bd4 46.Ke2 Bc5 47.b7 Ba7 (47...Bb4?! 48.b8Q Bf8 49.Kf3-/+) 0–1. Robinson,Steph2 – Brunello,R (1980), Glasgow SCO, 2012.

7.0-0 b6 8.Qe1 c5 9.b5 Bb7 10.d3 Qc7 11.Nbd2 Ng4 12.Bd1?? (better is 12.Bg7 Kg7 13.Bd1=) 12...Bb2–+ 13.Rb1 Bc3 14.h3 Ngf6 15.g4 (15.f5 gf5 16.Rb3 d4–+) 15...d4 16.e4 Qf4 17.Nd4 Qd2 18.Qd2 Bd2 19.Nf3 Be3 20.Kg2 Bd4 21.c4 Ne5 22.g5 Nh5 23.Nd4 cd4 24.Bh5 gh5 25.Kg3 Nd3 26.h4 Be4 0–1. Tomashevich,Georgiy – Ignatenko,Vladimir (2140), Sakharov Memorial op 3rd, 2004. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7)

7.0-0 h5 8.Ne5 Ne5 9.fe5 Ne4 10.d3 Ng5 11.Nd2 Bf5 12.h4 Nh7 13.Nf3 e6 14.a4 Bg4 15.d4 Bf3 16.Bf3 Qh4 17.Qe2 Bh6 18.e4 Ng5 19.ed5 Nf3 20.Rf3 ed5 21.Raf1 Rae8 22.c3 Qe7 23.Rg3 Kh7 24.Bc1 Bc1 25.Rc1 f6 26.Qd3 f5 27.Qe3?? f4–+ 28.Qf3 fg3 29.Qg3 h4 30.Qg4 Rf5 31.Kh2 Rg5 32.Qh4 Rh5 (32...Rh5 33.Qh5 gh5–+) 0–1. elsh1403 – wieslaw95984, kurnik, 2011.

7.Qc1 c5 8.b5 b6 9.Ne5 Bb7 10.Bf3 Ne5 11.Be5 Ne8 12.Bg7 Ng7 13.Nc3 Nf5 14.0-0 Nh4 15.Qe1 (15.Qd1!?=) 15...Nf3+= 16.gf3 Qd7 17.a4 Qf5 18.d3 d4 19.Ne4 Rad8 20.Rf2 de3 21.Qe3 Qe6 22.Re2 Qd5 23.a5 Rd7 24.a6 Ba8 25.Ra4 Rc8 26.Nd2 Kf8 (26...Qh5 27.Rg2+=) 27.Re4 Qd6 28.Nc4 Qf6 (28...Qc7 29.Re5 f6 30.Re6+=) 29.Ne5= Rdc7 30.Ng4 Qd6 31.Re5 Qd4 32.Kg2 e6 33.c4 Qe3 34.R5e3 (worse is 34.Ne3 Rd8-/+) 34...Rd8 35.h4 Rcd7 36.Nf2 Rd4 37.Kg3 Kg7 38.Rc2 Kf8 39.Rc3 Kg7 40.Re5 Kf8 41.h5 Ke7+= 42.hg6 hg6 43.Rc1 Rh8 44.Ree1 Rh5 45.Re3 g5 46.f5 Rf4 47.fe6 fe6 48.Rce1+/– Rh6 49.Ng4+- Rg6 50.Rh1 Rg7 51.Rh8 Rf8 52.Rf8 Kf8 53.Re6 Kf7 54.Rf6 (54.Rf6 Ke7 55.Rh6+-) 1–0. Poppner,Dietmar (2025) – Pohl,Mathias (1865), Berlin op, 2004. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7)

7.d4 Ne4 8.Nbd2 Ndf6 9.Ne4 Ne4 10.0-0 b6 11.Rb1 c6 12.a4 Qc7 13.Ba3? (better is 13.c4=) 13...Nc3–+ 14.Qd2 Nb1 15.Rb1 Bf5 16.Rc1 Rac8 17.c4 Be4 (17...dc4 18.Bc4 Qb7 19.a5-/+) 18.Ng5 Qb8 19.Ne4 de4 20.Qc2 f5 21.g4 (21.c5 e6+=) 21...Rcd8 22.g5 (22.b5 c5 23.dc5 bc5 24.Bc5 Qc7=) 22...h6 (better is 22...Bd4!? 23.ed4 Qf4-/+) 23.gh6= Bh6 24.h4? (24.b5 c5 25.dc5 bc5 26.Bc5 Qc7+=) 24...Rd7 (24...Bf4 25.ef4 Qf4-/+) 25.Kf2? (better is 25.c5+=) 25...Bf4!–+ 26.Qb3? (26.ef4 Qd6 Double attack (26...Qd6 Decoy)) 26...Bg3 27.Kg2 Bh4 28.c5 (28.Kh1 Bf2 29.Rg1–+) 28...Kg7 29.Rg1 (29.Bh5 Qg3 30.Kh1–+) 29...Qg3 30.Kh1 Rh8 (30...Rh8 31.Rg3 Bg3 32.Kg2 Rh2 33.Kg3 Re2 34.cb6 ab6+-; 30...Qh3) 0–1. Koch,Daniel (1615) – Gerke,Dieter, Dortmund8, 2003. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7)

7.0-0 c5

8.a3 b6 9.Nc3 Bb7 10.Qe1 Rc8 11.Rb1 1–0. Flor Trejo,Remigio Francisco – Martin Campos,B, Luis Perez Marin mem6 email, 2005. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7 7.0-0 c5)

8.a3 b6 9.Ne5 Ne5 10.fe5 Ne4 11.d3 Ng5 12.h4 Ne6 13.Nd2 d4 14.ed4 Nd4 15.Nf3 Bb7 16.Bd4 cd4 17.Qe1 Rc8 18.Rc1 Rc3 19.a4 Bh6 20.Ng5 Bg5 21.hg5 e6 22.Qg3 Qd7 23.Qf4 Qe7 24.Qd4 Rfc8 25.Bd1 Qg5=+ 26.Qf2 R8c7 27.Rb1 Qe5 28.d4 Qg5 29.Rb3 Rb3 30.cb3 Bd5 31.b5 f5 32.b4 Rc3 33.a5?? Rg3 34.Bf3 Bf3 35.Qf3 Rf3 36.Rf3 Qc1 37.Kh2 Qc4 38.Re3 Qd4 39.Re6 1–0. elsh1403 – graagnieszka, kurnik, 2011.

8.b5 a6 9.a4 ab5 10.Bb5 Nb6 11.Ne5 Nfd7 12.d3 Ne5 13.Be5 f6 14.Bb2 Bd7 15.c4 dc4 16.dc4 Bb5=+ 17.cb5 Qd1 18.Rd1 Na4 19.Ba3 Rfd8 20.Re1 f5 21.Ra2 Nc3 22.Nc3 Bc3 23.Ree2 b6 24.Kf2 Ra5 25.Rec2 Bf6 26.Bc1 Rda8 27.Ra5 Ra5 28.Kf3 Rb5 29.g4 Rb3 30.g5 Bg7 31.Ke2 Rc3 32.Kd2 Rc2 33.Kc2 e6 34.Ba3 Bf8 35.Bb2 Kf7 36.Kd3 b5 37.e4 Ke8 38.e5 Kd7 0–1. Goc,J (1975) – Jablonicky,F (2150), Tatry Open Tatranske Zruby CZE, 2010.

8.b5 c4 9.a4 a6 10.Qc1 ab5 11.ab5 Ra1 12.Ba1 Nc5 13.Bd4 Nce4 14.Qb2 Bg4 15.d3 cd3 16.cd3 Nd6 17.h3 Bd7 18.Nc3 Nf5 19.Bf6 (19.Qb4!?=) 19...Bf6-/+ 20.e4 (20.Kf2 e6+=) 20...Bc3 (20...de4!? 21.de4 Ng3-/+) 21.Qc3+= Ng3 22.Re1 de4 23.de4 Qb6 24.Qd4 Qd4 25.Nd4 Ne2 26.Re2 Rc8 27.Kf2 Rc4 28.Rd2 Kg7 29.Ke2 (29.g4!?=) 29...Rb4+= 30.Kd3 Bb5 31.Nb5 Rb5 32.Kc4 Rb1 33.e5 e6 34.Rf2 Rc1 35.Kd4 Rd1 36.Ke4 h5 37.Rb2 Rd7 38.g4 hg4 39.hg4 Rc7 40.Rb4 Kf8 41.f5 gf5 42.gf5 Ke7 43.Rb6 Rd7 44.fe6 fe6 45.Ke3 Kf7 46.Ke4 Re7 47.Kf4 ½–½. Babionyshev,Vladimir (2315) – Matjushin,Oleg, Kiev Independence Cup op, 1998. (=1.f4 Nf6 2.Nf3 g6 3.b4 d5 4.e3 Bg7 5.Bb2 0-0 6.Be2 Nbd7 7.0-0 c5)

8.bc5 Nc5

9.Nc3 b6 10.Rb1 Bb7 11.Qe1 Rc8 12.Qh4 Nfe4 13.d4 (better is 13.Nb5!?=) 13...Nc3+= 14.Bc3 Ne4 15.Bb4 Bf6 (15...Rc2 16.Be7 Bf6 17.Qf6 Nf6 18.Bd8 Rd8 19.Bd3 Ra2 20.Ra1 Ra1 21.Ra1-/+) 16.Qh6 Rc2 17.Bd3 Ra2 18.Be4 de4 19.Ng5 Bg5 20.fg5 a5 21.Rf4 f5 (21...ab4?? 22.Rh4 Rg2 23.Kg2 Re8 24.Qh7 Kf8 25.Qh8#) 22.gf6 Rf6 23.Rh4 Rf7–+ 24.Bc3 Rc2 25.Bb2? Qf8 26.Qf8 Kf8 27.Rg4 b5 28.Rg5 Rf5 29.Rf5 gf5 30.Ba3 b4 31.Bb4 ab4 32.Rb4 Bc6 0–1. Olender,Joanna (1800) – Magnucka,Milena (2055), Poland–ch U16 Girls, 2000.

9.c4 a6 10.cd5 Nd5 11.Bg7 Kg7 12.Qc2 Qa5 13.Qb2 Kg8= 14.Na3 Rd8 15.Nc4+= Qc7 16.d4 Ne4 17.Bd3 Nd6 18.Rac1 Nc4 19.Bc4+/– Qd6 20.Bd5 Qd5 21.Ne5 Be6 22.Rf2 Rac8= 23.Rfc2 Qe4 24.Kf2 Bd5 25.Nf3 Qe6 26.Rc8+= Rc8 27.Rc8 Qc8 28.a4 Qc6 29.a5 Qb5 30.Qb5+= ab5 31.Ne5 b4 32.Nd3 b3 33.g4 f6 34.Ke2+/– Kf7 35.Kd2 Ke6 36.Nc5+- Kd6 37.Kc3 Kc6 38.e4+- Bf7 39.e5 fe5+= 40.fe5 Bd5 41.Nb3 Kb5 42.Nd2 Ka5 43.Nc4 Kb5 44.Na3 Kc6 45.Nc2 Kd7 46.g5 ½–½. Johansson,K – Nilsson,S, corr SSKK 2–41, 1984.

9.c4 dc4 10.Bc4 Nd3 11.Bd4+= Nb4 12.Nc3 Nc6 13.Bc5 (13.Bf6 Bf6 14.d4 Bf5=) 13...b6 14.Ba3 Na5 15.Be2 Bb7 16.Ne5 Rc8 17.Rc1 Ne8 (17...Nd5 18.Nd5 Qd5 19.Bf3=) 18.d4 Nd6 19.Nb5 Rc1 20.Qc1 Nb5 21.Bb5 Qd5 22.Qb2+= f6 23.Nf3 Qe4 24.Qd2 Rc8= 25.Bd3 Qe6 26.Rc1 Rc1= 27.Bc1 Bd5 28.Ba3 Kf7 29.Bb4 Ba2 30.e4= Qb3 31.Bc2 Qc4 32.Bd3 Qb3 33.Bc2 Qb2 34.Bc3 Qb5 35.Bd1 Be6 36.d5 Bc8 37.e5 Ba6 38.h3 Bb7 39.e6 0–1. Sanchis Gil,S – Ferrando Todoli,JE, Alzira op, 1995.

9.c4 dc4 10.Bc4 Bf5 11.Nd4 Bd3+= 12.Bd3 Nd3 13.Bc3 Nd5 14.Ne2 Nc3 15.Nbc3 Qd7 16.Rb1 Rfd8 17.Qa4 Qa4 18.Na4 b6 19.Nac3 Rac8 20.a3 Rd7 21.f5 Ne5 22.fg6 hg6–+ 23.Rbd1 Nc4 24.Nb1 Rcd8 25.Rf3 Nd2 26.Rd2 Rd2 27.Nd2 Rd2 (27...Rd2 28.Nd4 Bd4 29.ed4 Rd4–+) 0–1. Johansson,K – Kolbjer,Anders, corr SSKK 2–41, 1984.

9.Bd4 Ne6 10.Be5 Qb6 11.Nc3 Rd8 12.Rb1 Qa5 13.Rb5 Qa3 14.Rb3 Qa5 15.Qb1 a6 16.a4 Nc5 17.Rb4 Nfe4 18.Bg7 Kg7 19.Qb2 Kg8 20.Ra1 Qc7 21.a5 Nc3 22.Qc3 Ne6 23.Qc7 Nc7 24.Nd4 Re8 25.Nf3 Rd8 26.Ra3 Ne8 27.Rc3 e6 28.Nd4 Rd7 29.Rb6 Rc7 30.Rc7 Nc7 31.c4 dc4 32.Bc4 Kf8 33.Nb3 Rb8 34.Nc5 Na8 35.Rb2 b5 36.ab6 Rb6 37.Ra2 Rc6 38.d4 Nc7 39.Kf2 Ke8 40.Rb2 Kd8 41.g3 h6 42.Be2 Nd5 43.e4 Nc3 44.Bd3?? Nd1–+ (44...Nd1 45.Ke2 Nb2–+) 0–1. Molano Lafuente,Ismael (2045) – Tortosa Moros,Joan (1735), Barcelona ESP, 7th Ateneu Colon, 2012.

6.Be2 e6

7.0-0 a5 8.b5 b6 9.a4 c5 10.Ne5 Bb7 11.d3 Nbd7 12.Nd2 Ne5 13.fe5 Nd7 14.Nf3 d4 15.ed4 cd4 16.Bd4 Rc8 17.c4 Bf3+= 18.Bf3 Ne5 19.Be5 Be5 20.Rc1 Bd4 21.Kh1 Qh4 22.Bc6 Rcd8 23.Qf3 Bc5 24.Rcd1 Rd4 25.g3 Qh6 26.Be4 Qg7 27.Qf6 Qf6 28.Rf6 Rfd8 29.Rdf1 R4d7 30.Kg2 Kg7 31.Kh3 Rc7 32.Kg4? Rf8?? 33.h4? Bd4 34.R6f3+= f5 35.Bf5?? ef5 36.Kh3 Rcf7 37.Rf4 Be5 38.R4f3 f4 39.g4 h6 40.Re1 Bd4 41.Re4 Be3 42.d4 g5 43.d5 Rc8 44.d6 Rd7 45.Re6 Rcd8 46.hg5 hg5 0–1. elsh1403 (1635) – lisijs1 (1715), kurnik, 2011.

7.0-0 a5 8.b5 c5 9.a4 b6 10.Ne5 Bb7 11.d3 Nbd7 12.Nd2 Ne5 13.fe5 Nd7 14.d4 cd4 15.ed4 Rb8 16.c4 dc4 17.Nc4 Bd5 18.Nd6 Qe7 19.Ba3 Qh4 20.Bf3 Ne5 21.de5 Be5 22.g3 Bf3? 23.Qf3+/– Qd4 24.Qf2 Qf2= 25.Rf2?? Bd6 26.Bd6+- Rb7 27.Bf8 Kf8 28.Raf1 f5 29.g4 Kf7 30.gf5 ef5 31.Kg2 Kf6 32.Rc1 Kg5 33.Kg3 Rd7 34.Rf3 Rd4 35.Ra3 h5 36.Rc6 f4 37.Kf3 Kf5 38.Rb6 g5 39.h3 g4?? 40.hg4+- hg4 41.Ke2 f3 42.Ke3 Re4 43.Kf2 Re2 44.Kg3?? Rg2–+ 45.Kh4 f2 46.Ra1 Rg1 47.Rb8 Ra1 48.Rf8 Ke4 49.Rf2= Ra4 50.Kg4 Ke3 51.Kg3 Rb4 52.Rf3 Ke2 53.Rf5+= a4 54.Re5?? Kd3–+ 55.Kf3 Kc4 56.Re4 Kb5 57.Re2 a3 58.Ra2 Ka4 59.Ke3 Rc4 60.Kd3 Rc7 61.Re2 Kb3 62.Re3 Rc3 (62...Rc3 63.Kd4 Re3 64.Ke3 a2–+) 0–1. elsh1403 (1610) – lisijs1 (1735), kurnik, 2011.

7.0-0 a6 8.h3 c6 9.d3 Nbd7 10.Nbd2 c5 11.a3 cb4 12.ab4 b5 13.Ne5 Bb7 14.Ndf3 Nb6 15.c4 dc4 16.dc4 bc4 17.Nc4 Nc4 18.Bc4 Qb6 19.Qb3 Nd5 20.Bg7 Kg7 21.Nd4 Qb4?? 22.e4?? Qb3=+ 23.Bb3 Nc3 24.f5 ef5 25.ef5 Rad8 26.f6 Kg8 27.Nf3 Rd6 28.Ne5 Rd2 29.Rf2 Rf2 30.Kf2 Bd5?? 31.Ba4?? Ne4–+ 32.Ke3 Nf6 33.Rf1 Kg7 34.g4 Bc4?? 35.Rf2?? Bb5 36.Bb3 Re8 37.Kd4 Re7 38.g5 Nh5 39.Rf7 Rf7 40.Nf7 Nf4 41.h4 Ng2 42.h5 gh5 43.Bd1? Kg6 44.Bb3 Nf4 45.Ke4 Nh3 46.Ne5 Kg5 47.Bg8 Ng1 48.Bh7 h4 49.Nf3 Nf3 50.Kf3 Bc6 51.Kf2 h3 52.Kg1 Kh4 53.Kh2 a5 54.Bb1 Bd5 55.Bf5 a4 56.Bh3 a3 (56...a3 57.Kg1 Kh3 58.Kf1 a2 59.Ke2 a1Q 60.Kd3 Qb2 61.Ke3 Qc3 62.Kf4 Qg3 63.Kf5 Kh4 64.Kf6 Qg5) 0–1. elsh1403 – cv69 (1655), kurnik, 2011.

7.0-0 b6 8.b5 c5 9.a4 a5 10.Ne5 Bb7 11.d3 Nbd7 12.Nd2 Ne5 13.fe5 Nd7 14.Nf3 Qc7 15.d4 Rac8 16.Ba3 Rfe8 17.c3 f6 18.ef6 Bf6 19.Rc1 e5 20.Qe1 e4 21.Nh4 Qd8 22.g3 cd4 23.cd4 Rc1 24.Bc1 Qe7 25.Ng2 Rc8 26.Nf4 Nf8 27.Qf2 Rc2 28.h4 Ne6?? 29.Ng6?? hg6=+ 30.Qf6 Qf6 31.Rf6 Nd4?? 32.Rb6?? Ne2–+ 33.Kf1 Nc1 34.Rb7 d4! 35.ed4 e3 36.Re7 e2 37.Kf2 Nd3 38.Kf3 e1N (38...e1N 39.Ke3 Kf8–+) 0–1. elsh1403 (1675) – okena (1725), kurnik, 2011.

7.0-0 b6 8.Ne5 c5 9.bc5 bc5 10.c4 d4?? 11.Na3?? Bb7 12.Rb1 Nbd7 13.Nb5 Ne5 14.fe5 Ne4 15.ed4 cd4 16.Bd4 a6 17.Nd6 Nd6–+ 18.ed6? Bd4 19.Kh1 Bc6 20.Bf3 Qd6 21.Bc6 Qc6 22.d3 Rab8 23.Rb3 Rfd8 24.h3 e5 25.Rf3 f5 26.Qf1 Rb3 27.ab3 Rb8 28.g4 f4 29.Qd1 Rb3 30.Kh2 Rb2 31.Kh1 g5 32.h4 Rf2 (32...Rf2 33.c5 Rf3 34.Qb3 Kg7 35.Qb7 Qb7 36.c6 Qb2 37.hg5 Rf1#; 32...Rb1 33.Kh2 Rd1 34.Kg2 Rd2 35.Kf1 Qf3 36.Ke1 Qe2#) 0–1. elsh1403 – woso75, kurnik, 2012.

7.0-0 Nc6 8.b5 Ne7 9.Ne5 c6 10.c4 cb5 11.cb5 a6 12.Nc3 ab5 13.Nb5 Qb6 14.Qb3 Nc6 15.a4 Ne5 16.fe5 Ne4 17.d4 Nd2=+ 18.Qd1 Nf1 19.Qf1 Bd7 20.Ba3 Rfc8 21.Nd6 Rc2?? 22.Qf7+- Kh8 23.Bg4?? Qc6 24.Be6 Be6 25.Qe6 Rf8?? 26.Nf7+- Rf7 27.Qf7 h5 28.Bf8 Bf8 29.Qf8 Kh7 30.Qf7 Kh6 31.Qf8 Kh7 32.Rf1 Rc1 33.Qf7 Kh6 34.e4! de4?? 35.Qf4 Kh7 36.Rc1 Qd5 37.Rc7 Kh8 38.Qf8 Qg8 39.Qh6 (39.Qh6 Qh7 40.Qh7; 39.Qf6 Qg7 40.Qg7) 1–0. elsh1403 (1640) – arlind60, kurnik, 2011.

7.0-0 Qd6 8.a3 a5 9.b5 a4 10.Ne5 Nbd7 11.d3 Ne8 12.Nd7 Qd7 13.Bg7 Ng7 14.Nd2 Qb5 15.Nf3 Qd7 16.Ne5 Qd6 17.c4 c6 18.Qd2 b6 19.Rfc1 Rd8 20.d4 dc4 21.Nc4+= Qc7 22.Ne5 Bb7 23.Bf3 Rac8?? 24.Rab1?? c5+= 25.Qb2 Bf3 26.gf3 Rb8 27.Qb5 f6 28.Nc6= Qb7? 29.dc5+- Rdc8? 30.cb6 Ra8 31.Kf2 Nf5 32.e4 Rc6?? 33.Qc6 Qc6 34.Rc6 Nd4 35.Rd6 Nb3 36.Re6 Kf7 37.Rc6 Rb8 38.Rc7 (38.Rc7 Ke6 39.b7+-) 1–0. elsh1403 – aidi2007, kurnik, 2011.

7.0-0 Qe7 8.a3 a5 9.b5 a4 10.Ne5 Nbd7 11.d3 Ne5 12.fe5 Nd7 13.d4 b6 14.Nd2 Bb7 15.c4 dc4 16.Nc4 Rfd8 17.Bf3 Bf3 18.Qf3 Rab8 19.Rf2 Rf8 20.Qd1 Qg5 21.Qa4 Rfc8 22.Qd1 c6 23.a4 c5 24.Qf3 Rf8 25.Ba3 Rbc8 26.Nd6 Rc7 27.Nf7 Ne5?? 28.Ng5+- Nf3 29.Rf3 cd4 30.Ne6 Rf3 31.gf3 Rc2 32.Nd4 Bd4 33.ed4 Rc3 34.Kf2 Rd3 35.a5! ba5 36.Bc5 Rd2 37.Kg3 Rb2 38.Ra5 1–0. elsh1403 – aidi2007, kurnik, 2011.

7.a4 b6 8.0-0 c5 9.b5 Bb7 10.Qe1 Nbd7 11.Nc3 Ne8 12.Nd1 Nd6 13.Bg7 Kg7 14.d3 Qf6 15.Nf2 Kg8 16.Ng4 Qg7 17.Nge5 f6 18.Nd7 Qd7 19.Nd2 Rad8 20.Bf3 Qc7 21.e4 Nf7 22.Qh4 Kg7 23.Rfe1 Rfe8 24.ed5 ed5 25.c3 Nh6 26.Re8 Re8 27.Re1 Nf5 28.Qf2 Re1 29.Qe1 Qf4 30.Bd1 (better is 30.a5!?-/+) 30...d4–+ 31.c4 Ne3 32.Bf3 Bf3 33.Nf3 Kf7 34.a5 (34.Qd2!?-/+) 34...Nc2–+ 35.Qd1 Qe3 36.Kh1 (36.Kf1 Nb4 37.Ne1 ba5–+) 36...Nb4 37.ab6 ab6 (37...Nd3 38.Qa1 Nf2 39.Kg1 Ne4 40.Kh1 ab6 41.Qa7 Ke6 42.Qb6 Kf5 43.h4 Qc1 44.Kh2 Qc4 45.Qc6-/+) 38.Ne1 Qf2 39.Nf3 Nc2 40.h3 Qg2!! 41.Kg2 Ne3 42.Kg3 Nd1 43.Nd4 (43.Kg2 Ne3 44.Kf2 h6–+) 43...cd4 44.c5 Ke7 (44...Ke6 45.cb6 Kd7 46.Kf3–+) 45.cb6 Kd7 46.Kf3 Nc3 0–1. Kupsovsky,Vaclav (2080) – Chmelik,Jiri (2040), CZE–chT2b, 2006. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 e6)

7.Ne5 Nbd7 8.0-0 a5 9.b5 b6 10.a4 Ne5 11.Be5 Nd7 12.Bg7 Kg7 13.c4 Qf6 14.Nc3 d4 15.Ne4 Qf5 16.Bf3 de3 17.de3 Rb8 18.Ng3 Qc5 19.Qe2 Kg8 20.Ne4 Qe7 21.Rad1 Nf6 22.Nf6 Qf6 23.Bc6 Bb7 24.e4 Bc6 25.bc6 Rfd8 26.e5 Qe7 27.Rd8 Rd8 28.Rd1 Rd1 29.Qd1 Qc5 30.Kh1 Qc6 31.Qd4 Qa4 32.Qd8 Kg7 33.Qf6 Kf8 34.Qd8 Qe8 35.Qc7 a4 36.Qb6 Qa8 37.Qb4 Kg7 38.Qa3 Qe4 39.h3 Qc4 40.Qf3 Qb3 41.Qa8 a3 42.Qd8 Qb1 43.Kh2 Qf5 44.Qa5 Qf4 45.Kh1 a2 46.Qa2 Qe5 47.Qf2 h5 48.Qf3 f6 49.Qf1 g5 50.Qf3 Kh6 51.Qf1 f5 52.Qf3 g4 53.hg4 hg4 54.Qf1 f4 55.Qc1 g3 56.Qd2 Qh5 57.Kg1 Qh2 58.Kf1 Qh1 59.Ke2 Qg2 60.Kd3 Qd2 61.Kd2 g2 0–1. aniabielak – ady53, kurnik, 2012.

6.Be2 Bg4

7.0-0 a5 8.b5 a4 9.Na3 Qd6 10.c4 e6 (10...Nbd7 11.cd5 Rfd8 12.Qc2=) 11.Ne5 Be2 12.Qe2 c5 13.bc6 bc6 14.Rac1 Rc8 15.cd5 (15.c5 Qe7=) 15...ed5 16.Nb5 (16.f5 Na6=) 16...Qd8 17.Nd4 c5 18.Ndf3 h6 (18...Qd6 19.d3=) 19.d3 (19.Ba3 Qb6=) 19...Nbd7 20.Bc3 Rab8 21.h3 (21.Qc2 d4 22.Bd2 de3 23.Be3 Ne5 24.fe5 Ng4=) 21...Qe7 22.Rfe1 Qe6 (22...Ne5 23.Be5 Rb4 24.Qc2=) 23.Qd2 (23.Qc2 a3=) 23...Kh7 (23...Ne5 24.Ne5 Qf5 25.Ba1=) 24.Ba1 (24.Qc2 a3=) 24...Ne8 (24...Nb6 25.e4=) 25.Nd7 Qd7 26.Be5 (26.Bg7 Kg7 27.Qc3 Nf6=) 26…Be5 ½–½. Oren,Itamar (2305) – Anderson,Brian W (2345), W–ch31 prel03 email, 2007. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 Bg4 6.Be2 0-0 7.0-0 a5)

7.0-0 Qd6 8.Na3 (8.a3 a5=) 8...c6 (8...Qb4 9.Rb1 Qa5 10.Qc1+=) 9.c4 (9.Rb1 Bf3 10.Bf3 b5=) 9...Bf3 10.Rf3 Nbd7 (10...Qb4!? 11.Rb1 Qd6+=) 11.c5= Qc7 12.Nc2 e5 13.fe5 Ne5 14.Rf4 Ne4 15.Nd4 Rae8 16.d3 Ng5 17.Qd2 f5 18.Rc1 Ne6 19.Rh4 Bf6 20.Rh3 Qg7 21.Rg3 Nd4 22.Bd4 f4 23.ef4 Nf3 (23...Nf3 24.Rf3 Bd4 25.Kh1 Qe7+=) 0–1. Smith – McMillan,N Hamilton, ENG DJKO corr, 1985. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4)

7.0-0 e6 8.h3 Bf3 9.Bf3 c6 10.a4 Qb6 11.c3 a5 12.Qb3 Ne4 13.b5 Nd7 14.d4 Nd6 15.Ba3 Nc4 16.Bf8+/– Bf8 17.Re1 Be7 18.Na3 Nd2 19.Qd1+/– Nf3 20.Qf3 c5 21.Nc2 Bf6 22.Kh1 Rc8 23.Rac1 Qd6 24.g4 Nb6 25.dc5 Qc5= 26.Nd4 Na4 27.g5 Bg7 28.e4 Nc3 29.Nb3 Qf8 30.e5 Qb4 31.Re3 Qb3 32.Rec3 Rc3 33.Rc3 Qb5 34.Rc8 Bf8 35.Qa3 Qb4?? 36.Qb4=+ ab4 37.Rb8 Kg7 38.Rb7 Bc5 39.Kg2 h6 40.Kf3 hg5 41.fg5 Bd4 42.Ke2 Be5 43.Rb4 f6 44.h4 fg5 45.hg5 Kf7 46.Kf3 Ke7 47.Rb7 Kd6 48.Rb4 Kc5 49.Kg4?? d4 50.Rb3 Kc4 51.Rf3 (51.Rf3 d3 52.Rf2–+) 0–1. elsh1403 (1660) – messerschmidt1 (1650), kurnik, 2011.

7.0-0 e6 8.Ne5 Be2 9.Qe2 Nbd7 10.d3 Ne5 11.fe5 Nd7 12.Nd2 c5 (better is 12...Ne5!? 13.Bd4 f5=+) 13.bc5+= Nc5 14.d4 Ne4 15.Ne4 de4 16.Qg4 Qd5 17.Rfc1 Rac8 18.a4 f5 19.ef6 Rf6 20.Qe2 Rcf8 21.Rf1 e5 22.c4 Rf1 23.Rf1 Rf1 24.Qf1 Qa5 25.Qd1 ed4-/+ 26.ed4 Qb4 27.Qc2?? e3 28.Kf1-/+ Qf8 29.Ke1 Qf4 30.Qd3?? Qf2–+ 31.Kd1 Qb2 32.Qe3 Qd4 33.Qd4 Bd4 34.Kd2 Kf7 0–1. elsh1403 – usznik, kurnik, 2011.

7.0-0 Bf3 8.Bf3 c6 9.Nc3 Nbd7 10.Rb1 Qc7 11.Qe1 e5 12.fe5 Ne5 13.Qg3 Qe7 14.Be2 Ne8 15.b5 Nf6 16.a4 Rad8 17.Qh4 Rfe8 18.a5 Ne4 19.Qe1 f5 20.bc6 bc6 21.Ne4 de4 22.Bc3 Rd7 23.Qg3 Red8 24.Rb2 Kh8 25.Rfb1 Nf7 26.Bg7 Kg7 27.d4 ed3 28.Bd3 Qe6 29.Rb7 c5 30.Rd7 Rd7 31.Rf1 Nd6 32.h4 c4 33.Be2 Re7 34.Rf3 Ne4 35.Qb8 Nd2 36.Rh3 Qe4 (36...h6!?+=) 37.h5 Rb7 (37...g5 38.h6 Kf7 39.Qh8=) 38.h6 (38.Qd6 c3 39.Bd3 Rb1 40.Kf2+-) 38...Kf7= 39.Qh8 Ke6 40.Qg8 Rf7 41.Qe8 Re7 42.Qc8 Kf6 43.Qh8 Ke6 44.g4 f4 45.g5 f3 (better is 45...fe3!? 46.Qc8 Kd5-/+) 46.Qf6= Kd7 47.Bf3 Qe3 48.Kg2 Nf3 49.Rf3 Qe2 50.Kh3 Qe6 51.Kg3 Qe1 52.Kh3 Qh1 53.Kg3 ½–½. Schmitz,Juergen – Neumann,Alfred, Ruhrgebiet VK2–chT, 1996. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4)

7.0-0 Bf3 8.Bf3 Nbd7 9.c4 c6 10.Na3 Qc7 11.d4 Ne4 12.Qc2 Qd6 13.Be4 de4 14.Qe4 Qb4 15.Rab1 Nf6 16.Qf3 Qd6 17.e4 Nd7 18.e5 Qc7 19.Kh1 e6 20.c5 b5 21.h4 f6 22.Qb3 Rae8 23.Rbc1 fe5 24.de5 a5 25.Nb1 Bh6 26.g3 Rf7 27.Nd2 Qd8 28.Qe3 Bf8 29.Ne4 h6 30.Rfd1 Qc7 31.Qc3 Rc8? 32.Nd6+/– Rd8 33.Nf7 Kf7 34.Qf3 Re8? 35.Bd4 b4 36.h5 Be7 37.hg6 Kg6 38.Qg4 (38.Qg4 Bg5 39.Kg2+-) 1–0. Vella Ramirez,Alfonso – Garcia Alonso,Juan Carlos, Valladolid–ch Provincial 1L cat, 1980.

7.a4 c6 8.0-0 Nbd7 9.Na3 Bf3 10.Bf3 Re8 11.d4 Qb6 12.Qd2 e6 13.a5 Qc7 14.c4 dc4 15.Nc4 Rad8 16.a6 b6 17.Rac1 Nd5 18.g3 Nb8 19.Ne5 Be5 20.fe5 b5 21.Be2 Qb6 22.e4 Nc7 23.Qh6 (23.Qc3 Nca6 24.Rf6 Nd7+=) 23...Re7 (better is 23...Rd4!? 24.Bd4 Qd4 25.Rf2 Rf8+= (worse is 25...Nca6 26.Rd1 Qb6 27.Qd2=)) 24.Rcd1 Nd7 (24...Red7 25.Qe3+=) 25.Bc1 Ne8? (better is 25...Na6!? 26.Bg5 f6 27.ef6 Rf7+/–) 26.Be3 Rc8?? (better is 26...Qa6 27.Bg5 f6+-) 27.d5 (27.d5 Qd8 28.d6+-) 1–0. Milovanovic,Momir D – Venceljovski,Rafail, JUG corr Yugoslavia, 1997. (=1.e3 Nf6 2.f4 d5 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4)

7.a4 c6 8.Na3 Qd6 9.b5 Nbd7 10.c4 Ne4 11.Bg7 Kg7 12.0-0 Ndf6 0–1. Fawbush,George (1915) – Campbell,J Franklin (2195), APCT corr USA, 1993. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4)

7.a4 Qd6 8.b5 c5 9.0-0 Bf3 10.Rf3 Nbd7 11.Qf1 Rac8 12.d3 Rfe8 13.Nd2 e5 14.Rh3 (better is 14.fe5!? Ne5 15.Rh3=) 14...ef4-/+ 15.ef4 c4 (15...Nh5 16.Bg7 Nf4 17.Bh6 Ne2 18.Kh1-/+) 16.d4 Ne4 17.Ne4 Re4 (17...de4?! 18.c3=) 18.c3 Rce8 (worse is 18...Qf4 19.Bf3=) 19.Bf3 Rf4 20.Ba3 Qe6 21.Bc1? (better is 21.Qc1 Rf6 22.a5-/+) 21…Rd4!–+ 0–1. De Ruiter,Tom – Prystenski,Arthur, Scottish Magazine–10 yrs. A, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4)

7.a4 Qd6 8.b5 c5 9.bc6 bc6 10.0-0 Nbd7 11.c4 Bf3 12.Bf3 Rfb8 13.Qc2 e5 14.cd5 cd5 15.Ba3 Qe6+= 16.Nc3 Rc8 17.Qa2 e4 18.Bd1 Nb6 19.Bb3 Nc4 20.Rac1 Na3 21.Qa3 Qd7 22.Ne2 Bf8 23.Qb2 Bg7 24.Qa3 Bf8 ½–½. Trapl,Jindrich (2555) – Jardorf,Sven (2480), corr ICCF Korning Memorial, 1998.

7.a4 Nbd7 8.Na3 c5 9.b5 Re8 10.c4 Bf3 11.Bf3 e5 12.fe5 Ne5 13.Be2 d4 14.ed4 Nd3 15.Kf1 Nb2 16.Qb3 Ne4 17.Qb2 Qh4 18.g3 Ng3 19.Kg2 Re2 20.Kf3 Qe4 21.Kg3 Rg2 22.Kh3 Qg4 0–1. Lassere – Bertuli, corr 1985.

7.d3 c6 8.Ne5 Be2 9.Qe2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qb6 13.c3 Nfd7 14.d4 f6 15.Nd3 Qa6 16.Bb2 e5 17.Na3 Re8 18.g3 (18.fe5 fe5 19.0-0 ed4 20.cd4 Bd4 21.Bd4 Qa3+=) 18...ed4-/+ 19.cd4 Bf8 20.h4 f5 21.h5 Nf6 22.hg6 hg6 23.Nc2 Nbd7 24.Ne5 Qa2 25.Bc1 Ne5 26.de5 Ne4 27.Qh2 Bg7 28.g4 Kf7 29.Nd4?? (better is 29.Qg2 Qb1 30.0-0 fg4 31.Nd4-/+) 29...Rh8–+ 30.e6 (30.Qa2 Rh1 31.Ke2 Nc3 32.Kf2 Na2–+) 30...Ke7 31.Qh8 (31.Qa2 Rh1 32.Ke2 Nc3 33.Kf3 Na2 34.Bd2–+) 31…Qf2 (31...Qf2 32.Kd1 Nc3) 0–1. Nikolic,Dragoslav (2305) – Notkin,Maksim (2515), YUG–chT Vrnjacka Banja, 1996. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.Be2 0-0 5.f4 d5 6.Nf3 Bg4)

7.0-0 c6

8.a3 Bf3 9.Bf3 Ne8 10.Bg7 Ng7 11.Qe2 Qd6 12.d4 Nd7 13.Nd2 a5 14.c4 ab4 15.c5 Qe6 16.ab4 Nf5 17.Kf2 Nf6 18.Qd3 Nh4 19.h3 Nf3 20.Kf3 Rfb8 21.Ra5 Ne8 22.Rfa1 Ra5 23.ba5 Nc7 24.Kf2 Kg7 25.Kg1 Ra8 26.Kh2 Nb5 27.Nf1 Qd7 28.Ng3 ½–½. Kolbak,J (2340) – Nordstrom,F (2170), TCh–Eur Seniors, Dresden GER, 2010.

8.Na3 Nbd7 9.c4 e6 10.Ng5 Be2 11.Qe2 Qe7 12.Rab1 Qb4 13.cd5 cd5 14.Bc1 (14.Bf6!? Qa3 15.Bg7 Kg7 16.Rb7+=) 14...Qa4 15.Rb7 a6 16.d4 Rfb8 17.Rb8 Rb8 18.Qd1 Nb6 19.Nf3 Ne4 20.Ne5 (20.Qd3!?-/+) 20...Qd1–+ 21.Rd1 Bf8 22.g3 f6 23.Nd3 Nc4 24.Nc5 Bc5 25.dc5 Nc5 26.Rf1 Nd3 27.e4 (27.Nc4 dc4 28.e4 Kf7–+) 27...Nc1 28.Nc4 Ne2 (28...dc4?! 29.Rc1 Rc8 30.Kf2-/+) 29.Kf2 Ng3 30.Kg3 dc4 31.Rc1 Rc8 32.Rc3 Kf7 33.Kf3 Ke7 34.e5 f5 35.Ke3 h6 36.h4 g5! 37.fg5 (37.fg5 hg5 Combination; 37.hg5 hg5 Combination) 37...hg5 38.hg5 Kf7 39.a4 a5 40.Kf4 Rc5 41.Rh3 (41.Rc2 c3 42.g6 Kg7–+ (42...Kg6?! 43.Rc3 Rd5 44.Rd3+=)) 41...Kg6 (41...c3 42.g6 Kg8 43.Kg5+=) 42.Rh6? Kg7 0–1. Potipaev,GV – Miskinis,Gediminas M, EU–ch GT294 corr, 1988. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6)

8.a4 Qd6 9.b5 Ne4 10.Bg7 Kg7 11.d3 Nf6 12.Nbd2 Nbd7 13.c4 Bf3 14.Rf3 (< 14.gf3 Qe6 15.e4 cb5 16.ab5 Qb6 17.Kh1 dc4 18.dc4 Qe3=+) 14...cb5 15.ab5 a6 16.Rb1 Rfc8 17.ba6 Qa6 18.Qe1 Qc6 19.Rf2 Rab8 (19...Qe6 20.Bf1=) 20.g4 (20.f5 b5+=) 20...dc4= 21.g5 (21.Bf3 Qe6 22.Bb7 Rc7=+ (< 22...Qg4 23.Rg2 Qf5 24.Bc8 Rc8 25.dc4+/–)) 21...Nd5=+ 22.dc4 Ne3 23.Bf3 Qc5 24.Ne4 Qa3 ½–½. Lindqvist,Bengt (2380) – Kochemasov,Andrey Leonidovich (2320), corr WS/MN/026 ICCF, 2007.

8.a4 Bf3 9.Bf3 Nbd7 10.d4 e6 11.Qd3 a6 12.Nd2 h5 13.h3 Bh6 14.g4 hg4 15.hg4 (< 15.Bg4 Ng4 16.hg4 Qh4-/+) 15...Bg7 16.Kg2 e5? (better is 16...a5 17.b5 c5+=) 17.de5+- Ng4? (better is 17...Ne8+-) 18.Bg4 Nb6 19.a5 Nc8 20.Nf3 Ne7 21.Rh1 f5 22.ef6! Bf6 23.Be6 Kg7 24.Bf6 Rf6 25.Qd4 Qd6 26.Rh7! Kh7 27.Qf6 Nf5 28.Ng5 (28.Ng5 Kh6 29.Rh1 Nh4 30.Rh4; 28.Rh1 Nh6 29.Ng5) 1–0. blackiwhite (1690) – miro59 (1660), kurnik, 2011.

8.Nc3 Qd6 9.Rb1 Nbd7 10.b5 c5 11.Na4 Rac8 12.h3 Bf3 13.Bf3 e5 14.fe5 Ne5 15.Be5 Qe5 16.b6 a6 17.c4 Rfd8 18.Qc2 Qe7 19.Rb3 Ne4 20.Rbb1 Qd6 21.Nb2 f5= 22.Nd3 Bh6 23.Nf2 Qg3 24.Nh1 Qe5= 25.Rfe1 dc4=+ 26.Qc4 Kg7 27.Be4 Qe4 28.Qe4 fe4 29.Rb2 c4 30.Ng3 c3 31.dc3 Rc3 32.Ne4 Be3 33.Kh2 Bf4 34.g3= Bc1 35.Rf2 Rc6 36.Ref1 Rd7=+ 37.Nf6 Rd2 38.Ne8 Kh6 39.Rd2 Bd2 40.Rf7 Rb6=+ 41.Nf6 Rb2 42.Kg1 Bb4 43.Kf1 Ra2 44.Rb7 a5 45.h4 g5 46.h5 g4 ½–½. Rhodes,John D (2410) – Pavlikov,Andrey Nikolaevich (2210), 15 Years Russian CCA, 2008.

8.Nc3 Nbd7 9.a4 Ne4 10.Nd4 Be2 11.Qe2 Nd6 12.a5 e5 13.fe5 Ne5 14.d3 Re8 15.Nd1 Qe7 16.Nf2 a6 17.Rae1 f5 18.c3 Rad8 19.Bc1 Qh4 20.Bd2 Rd7 21.Qd1 Rf7 22.g3 Qe7 23.Qe2 Qc7 24.Nf3 Nf3 25.Qf3 Rff8 26.Nh3 Nf7 27.Qd1 Qd7 28.Kg2 Ne5 29.Qc2 Kh8 30.Re2 Ng4 31.Rfe1 Qd6 32.Ng5 Ne5 33.Rf2 Ng4 34.Rfe2 h6 35.Nf3 Kh7 36.Nd4 Re7 37.h3 Nf6 38.Rf2 Nh5 39.Rf3 Rfe8 40.Ref1 Be5 41.Ne2 Qd7 42.Bc1 Ng7 43.Qd2 Bf6 44.Qc2 Nh5 45.Nd4 Bg7 46.Qf2 Be5 47.Kh1 Bd4 48.cd4 Ng7 49.Qg2 Rf7 50.Bd2 Ref8 51.R3f2 Ne6 52.Kh2 Qc7 53.Qf3 g5 54.Qh5 Qd6 55.Kg2 Ng7 56.Qe2 Qg6 57.Bc1 Ne6 58.Qd1 f4 59.ef4 gf4 60.Qg4 fg3 61.Qg6 Kg6 62.Rf7 Rf7 63.Rf7 Kf7 64.Bh6 Nd4 65.Be3 Nf5 66.Bc5 Kf6 67.Bb6 Ke5 68.Kf3 Kd6 69.Bc5 Ke6 70.Ba7 Kf6 71.Bb6 Kg6 72.Bc7 Kh5 73.Bg3 Nd4 74.Kf4 Ne2 75.Kf3 Nd4 76.Kf4 Ne2 77.Kf3 Nd4 ½–½. Rhodes,John D (2380) – Grifoll Miro,Joan (2240), England – Spain, 2006.

8.Nc3 Nbd7 9.Nd4 Be2 10.Qe2 e6 11.d3 Ne8 12.Nb3 Nd6 13.Rab1 Rc8 14.Nc5 b6 15.Nd7 Qd7 16.Qd2 c5 17.Ne2 Bb2 18.Rb2 c4 19.Nc3 cd3 20.cd3 Nf5 21.Ne2 Rfd8 22.Rc1 Rc1 23.Nc1 Rc8 24.Ne2 Qc6 25.g4= Nd6 26.Qe1 Qa4 27.Nc3 Qa6 28.Qd2 Qb7 29.Rc2 d4 30.Ne4 Rc2 31.Qc2 Ne4 32.de4 de3 33.Qd3 Qe7 34.a3 Qh4 35.Qe3 Qg4 36.Kf2 Qh4 37.Kg1 Qh5 38.e5 h6 39.Kh1 Kg7 40.h3 g5 41.fg5 0–1. Hjortstam,Kurt – Ganesan,Arasu, email 4AMM–F, 1998.

8.Nc3 Ne4 9.Qe1 Nd7 10.Ne5 Ne5 11.fe5 Be2 12.Ne2 Qb6 13.a3 f6 14.d3 ½–½. Fagerbekk,Egil – Kverndal,Leif (2025), corr NM/A/3 ICCF, 2007.

8.c4 Nbd7 9.Qb3 dc4 10.Bc4 Nb6 11.d3 Nc4 12.dc4 a5 13.Nbd2 a4 14.Qa3 Bf5 15.Nd4 Qd7 16.Rfd1 Rfd8 17.N2f3 Be4 18.Ne5 Qc7 19.Ndf3 h6 20.Rac1 Nd7 21.b5 (21.Rd7!? Rd7 22.Nd7 Qd7 23.Bg7 Kg7 24.Qc3 f6 25.Nd2=) 21...Ne5+= 22.Be5 Be5 23.b6 Qb6 24.Ne5 c5 25.Nd7 Qb4 26.Qb4 cb4 27.Rd4 b3 28.Re4 Rd7 29.Rd4? (better is 29.ab3 ab3 30.Rb1–+) 29...b2–+ (29...ba2? 30.Rd7 Rc8 31.Rb7 Rc4 32.Ra1+- (32.Rc4?? a1Q 33.Kf2 Qa2 34.Kg3 Qc4 35.Re7 a3–+)) 30.Rb1 a3 (better is 30...Rd4 31.ed4 a3–+) 31.Rd7+- 1–0. Sala,Mario – Molteni,Costantino, ITA–ch1 email, 1997. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6)

8.c4 Nbd7 9.Nc3 Re8 10.Ne5 Be2 11.Qe2 Ne4 12.Ne4 de4 13.Rad1 Ne5 14.fe5 Qd3 15.Qf2 Qc4 16.a3 Rad8 17.Rc1 Qd5 18.Rc5 Qe6 19.Rcc1 Rf8 20.Rcd1 Be5 21.d4 ed3 22.e4 Bb2 23.Qb2 Qe4 24.Kh1 Qe2 25.Qc3 d2 26.a4 e5 27.Qg3 e4 28.h4 e3 29.Kh2 f5 30.Qf4 Qd3 31.Rf3 Rfe8 32.Qh6 Qd6 33.g3 e2 34.Rd2 Qd2 35.Qd2 Rd2 36.h5 e1Q 37.Rf2 Rf2 38.Kh3 Qh1# 0–1. lllllll21 (1625) – telyn (1650), kurnik, 2011.

8.h3 Bf5 9.Nd4 Bd7 10.c4 Qc7 11.Nc3 Ne4 12.Ne4 de4 13.Qb3 Be6? 14.Ne6+- fe6 15.Bg7 Kg7 16.c5 Qd7 17.Bc4 Rf6 18.Rad1 b5 19.Be2 Qd5 20.Qc2 Nd7?? 21.Ra1 e5 22.Qc3 ef4 23.Rf4 e5 24.Rg4?? Raf8 25.Rf1 Rf1-/+ 26.Bf1 Nf6 27.Rg5 h6?? 28.Re5+/– Qa2 29.Re4 Kg8 30.Re7 Qb1 31.Ra7 Qf5? 32.Rc7 h5?? 33.Rc6 Nd5?? 34.Qd3+- Qd3 35.Bd3 Nb4 36.Rg6 Kf7 37.Bb1 Rc8 38.d4 Nd5 39.Rh6 Ne3 40.Rh5 Rd8 41.Rh7 Kf6 42.Rh4 Kg5 43.Re4 Nc4 44.c6 Nd2 45.Re1 Nb1 46.Rb1 Rd4 47.Rb5 Kf4 48.Rc5 Rd8 0–1. elsh1403 – balenier64 (1700), kurnik, 2011.

8.a4 Nbd7

9.Na3 a5 10.b5 Nb6 11.bc6 bc6 12.c4 c5 13.cd5 Qd5 14.Nb5 Rfc8 15.h3 Bd7 16.Ne5 Rab8 17.Bc3 Ne4 18.Bf3 Nc3 19.Bd5 Nd1 20.Bf7 Kf8 21.Rad1 Be5 22.fe5 Kg7 23.Ra1 Bf5 24.Bb3 c4 25.Bd1 Nd7 26.Nd4 Bd3 27.Bg4 Ne5 28.Bc8 Bf1 29.Ne6 Kg8 30.Kf1 Rc8 31.Ke2 Rc6 32.Nf4 Rb6 33.Rf1 Rb4 34.Ne6 Nd7 35.Ra1 Rb6 36.Nc7 Kg7 37.Nd5 Rd6 38.Nc3 (worse is 38.Ne7 Nb6-/+) 38...Nc5 39.Rc1 Nd3 40.Rf1 Rb6 41.g4 h6 42.Nd5 Rb7 43.h4 e6 44.Nf6 Rb8 45.g5 e5 46.Ne4 hg5 47.hg5 Rb6 48.Nf6 Rb8 ½–½. Bartsch (1775) – Da Silva Filho (2070), IECG, 2002. (=1.f4 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7)

9.Na3 a5 10.b5 c5 11.c4 Nb6 12.Rc1 dc4 13.Nc4 Nc4 14.Rc4 Rc8 15.Ng5 Be2 16.Qe2 h6 17.Nf3 Nd5 18.Bg7 Kg7 19.f5 e6 20.fg6 fg6 21.Ne5 Rf5 22.Rf5 ef5 23.Qf3 Qd6 24.d4 Re8 25.g4? cd4-/+ 26.ed4 Nb6 27.Qb7 Re7 28.Qc6 Nc4 29.Qc4 fg4 30.Qc3 h5 31.Nc6?? Re2 32.Ne5 Re4 33.Nc6 h4 34.b6 Re2 35.Ne5 Qb6 36.Kf1 Rh2 37.Qd3 Qf6 (37...Qf6 38.Nf3 h3 39.Ke1 gf3 40.Qe4 Re2 41.Kd1 h2 42.Qe2 h1Q 43.Kd2 fe2 44.Kd3 Qd1 45.Ke3 e1Q#) 0–1. Williams,Pe (2010) – Drozdovskij,Y (2625), 85th Masters, Hastings ENG, 2009.

9.Na3 a5 10.b5 c5 11.c4 Nb6 12.h3 Bf5 13.g4 Be6 14.Ng5 (14.d3 dc4 15.Nc4 Nc4 16.dc4 h5=) 14...Bc8 (14...Qd7 15.Rc1=) 15.cd5 (15.d4 Nfd7=) 15...Nbd5 (15...h6 16.Nf3=) 16.Nc4 h6 17.Nf3 Ne4 (17...h5 18.Nfe5=) 18.Bg7 Kg7 19.Kg2 b6 (19...Nd6 20.Qb3=) 20.Qc2 (20.Nfe5 Bb7 21.Bf3 Nd6=) 20...Nd6 21.Nfe5 (21.Rac1 Bb7=) 21...Bb7 22.Bf3 Qc7 (22...Nb4 23.Qc3 f6 24.Bb7 Nb7 25.Nf3=) 23.Rac1 (23.g5 Rh8=) 23...Rad8 (23...Nb4 24.Qb1=) 24.Rfd1 (24.g5 Rh8=) 24...Nb4 25.Qb1 Bf3 26.Nf3 (26.Kf3!? Qb7 27.Kf2 Nc4 28.Rc4=) 26...Nc4=+ 27.Rc4 Nd3 28.Qa1 Kg8 29.Ne5 (29.g5 hg5 30.fg5 Qd6=+) 29...Ne5 (29...Qd6 30.Qc3=+) 30.Qe5 Qe5 31.fe5 Rd3 32.Kf2 (32.Kf3 Rfd8 33.Ke2 Kg7=+) 32...Rfd8 33.Ke2 g5 34.Re4 (34.e6 f6=+) 34...Kf8 (34...Kh7 35.Rc4=+) 35.Rc4= Ke8 36.Re4 R8d5 37.e6 f6 38.Ke1 (38.Rc4 Rd6=+) 38...Kd8 39.Ke2 Kc7 40.Ke1 Kc8 (40...Kd6 41.Ke2-/+) 41.Ke2=+ Kd8 42.Rc4 (42.Ke1 Ra3=+) 42...Kc7 43.Re4 Kd6 44.Ke1 Re5 45.Re5 Ke5 46.Ke2 Rd6 (46...Rb3 47.d4 Ke6 48.dc5 bc5 49.Rd3-/+) 47.d3 Ke6 48.Rh1 Kf7 49.Rd1 (49.h4 Kg7-/+) 49...Kg6 50.Kf3 h5 51.Ke4 hg4 52.hg4 Rd8 (52...Re6!? 53.Kf3 f5-/+) 53.Rc1=+ e5 54.Rh1 Kg7 (54...Rc8 55.Kd5=+) 55.Rh2 Rd6 56.Rh1 Rd7 57.Rh2 Rd8 58.Rh1 Kg8 (58...Rc8 59.Rc1=+) 59.Rh6 Kg7 60.Rh1 (60.Rh2!?=) 60...Rc8 61.Kd5 c4 62.dc4 (62.d4 c3=+) 62...Rc5 63.Ke6 Rc4 64.Rd1 Rg4 (better 64...Ra4 65.Kf5 Rb4-/+) 65.Rd6? (better 65.Rd7!? Kg6 66.Rf7 Ra4 67.Rf6 Kh5 68.Ke5-/+) 65...Kg6 (65...Ra4!? 66.Rb6 Ra1 67.Rb7 Kg6 68.Rf7–+) 66.Rb6 Ra4 67.Ke7 (67.Rb8 Rb4 68.Rg8 Kh7-/+) 67...Kf5 (67...Rb4 68.Rf6 Kh5 69.Ke6–+) 68.Rf6 Ke4 69.Kd6 (69.b6 Rb4 (69...Ke3?! 70.Kd6=+) 70.Kd7 Ke3=+) 69...Rb4 70.Kc5 g4 71.Ra6? (71.Kb6–+) 71...g3 (71...Ke3?! 72.Ra5 Rb2 73.Ra3 Kf2 74.Ra7–+) 72.Ra5 Rb1 73.Ra2 Kf3 0–1. Ostling,Hakan (2150) – Ptacnikova,Lenka (2245), Open, 2009. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg4 5.Bb2 Bg7 6.Be2 0-0 7.0-0 c6 8.a4 Nbd7)

9.Na3 c5 10.b5 (10.bc5 Nc5 11.Nb5 a6=) 10...c4 (10...Qa5 11.c4=) 11.d3= Nc5 (11...cd3 12.cd3 Rc8 13.h3 Bf3 14.Bf3=) 12.dc4+= Na4 13.Be5 (13.Bd4 Qc7+=) 13...Nc5 14.cd5 Qd5 (14...Qd5 15.Qd4 Nce4=; 14...Nd5 15.Bg7 Ne3 16.Qd4 Qd4 17.Bd4 (< 17.Nd4 Kg7 18.Bg4 Ng4-/+) 17...Nf1 18.Kf1+/– (< 18.Bf1 Ne6 19.Ne5 Nd4 20.Ng4 Rfc8+=)) 0–1. Johansson,K – Nilsson,R, corr SSKK 2–65, 1985.

9.Na3 Qc7 10.c4 dc4 11.Nc4 Rad8 12.Rc1 Ne8 13.Bg7 Ng7 14.d4 Nf6 15.b5 cb5 16.ab5 Nf5 17.Qd3 Nd6 18.b6 Qb8 19.Qa3 ab6 20.Nb6 Nf5 21.Rb1 Qd6 22.Qd3 Qe6 23.Rb3 Nh4 24.Qc4 Rd6 25.h3 Nf3 26.Bf3 Bf3 27.Qe6 Re6 28.gf3 Rc6 29.Rfb1 Rd8 30.R3b2 Kg7 31.Kf2 e6 32.Ke2 Rc7 33.Kd2 Nd5 34.Nd5 Rd5 35.Rb5 Rb5 ½–½. Oren,Itamar (2305) – Geissler,Walter (2315), corr WCCC31PR03(WS), 2007.

9.Na3 Qc7 10.c4 dc4 11.Nc4 Rad8 12.Qe1 Ne8 13.Bg7 Ng7 14.Rc1 Nb6 15.Qd1 (15.Nb6 ab6 16.d4 Ra8+=) 15...Nc4 16.Rc4 Nf5 17.Qe1 Nd6 18.Rc2 Qb6 19.Rb2 a5 20.d4 ab4 21.Rb4 Qa5 22.Bd1 f6 23.Kh1 e5?? (23...Bf3 24.Bf3 e5 25.fe5 fe5 26.Qc3=) 24.de5?? (better is 24.Bb3 Kh8 25.fe5 (worse is 25.de5 c5+=) 25...Bf3 26.ed6+=) 24...Bf3+= 25.Rf3 (better is 25.Bb3 Bd5 26.ed6 Bb3 27.Rb3 Qa4 28.Rb7+=) 25...c5-/+ (25...fe5?! 26.fe5 Qe5 27.Rd4=) 26.ed6 Qb4 27.Qb4 cb4 28.Bb3 Kg7 29.e4 Rd6 0–1. Marcus,Heinz – Cording,Harm (2275), GER–chT Seniors, 1998. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 c6 7.0-0 Bg4 8.a4 Nbd7)

9.Na3 Rc8 10.d4 Ne4 11.c4 c5 12.bc5 Nec5 13.Rb1 Ne4 14.c5 b6 15.Ba6 Rc6 16.Bb7 Rc7 17.Bd5 Ndc5 18.Nb5 Qd5 19.Nc7 Qb7 20.dc5 Bb2 21.Rb2 Qc7 22.cb6 ab6 23.Qd4 Bf3 24.gf3 Nc5 25.a5 1–0. Klee – Czizmadia, corr 1985.

9.Na3 Ne4 10.Bg7 Kg7 11.a5=+.

9.Na3 e6 10.a5 a6 (10...Qe7 11.a6 ba6 12.c3=+) 11.d3= c5 12.Qe1 (12.c3 cb4 13.cb4 Qe7=) 12...Rc8 (12...b5 13.h3 Bf3 14.Bf3=+) 13.b5 (13.h3 Bf3 14.Bf3 Ne8 15.Bg7 Kg7=) 13...Qc7 (13...Re8 14.h3 Bf3 15.Rf3=) 14.c4 (14.h3 Bf3 15.Bf3=) 14...dc4 (14...d4 15.ed4 Qf4 16.Nc2+=) 15.b6+= Qd6 (15...Qd8 16.Nc4 Nd5 17.Bg7 Kg7 18.Ng5 Be2 19.Qe2+=) 16.Nc4+/– Qe7 17.Qh4 Bf3 18.Bf3 (< 18.Rf3 Nd5 19.Qe7 Ne7 20.Bg7 Kg7=) 18...Nd5?? (better is 18...Rb8+/–) 19.Qe7+- Ne7 20.Bg7 Kg7 21.Bb7 Rcd8 22.Ba6 Nb8 23.Bb7 Rd3 24.Rfb1 Nec6 25.Bc6 Nc6 26.a6 Rc3 27.Ne5 Nb8 28.a7 1–0. MT – guest401, ICC, 2004.

9.Na3 e6 10.c4 Qe7 11.Qb3 a5 12.ba5 Rfe8 13.Nc2 Nc5 14.Qb4 dc4 15.Ba3 (15.Bc4 Bf5 16.Bd4 Nce4 17.Qe7 Re7=) 15...Nfd7 16.Qc4 (16.Rab1 Qd8 17.Qc4 Ra5 18.Bc5 Rc5=) 16...Ba1-/+ 17.Ra1 e5 18.fe5 Qe6 (18...Bf3 19.Bf3 Qe6 20.Qe6 Ne6 21.d4=) 19.Bc5= Qc4 20.Bc4 Nc5 21.d4 Be6 22.Be6 Ne6 23.Nd2 Ra5 24.Nc4 Ra7 25.a5 Rd8 26.Rf1 c5 27.Nd6 f5 28.Rd1 Ng5 29.Nc4 Ne4 30.N2a3 cd4 31.Nb5 Ra6 32.ed4 Rc6 33.Nbd6 Kf8 34.g4 Nd6 35.Nd6 fg4 36.Nb7 Rd5 37.Kf2 Rb5 38.Nc5 Ra5 39.Ke3 Ke7 40.Rb1 Rc7 41.Kf4 Ra2 42.Kg4 Rh2 43.Kf3 Rh4 44.Ke3 g5 45.Ra1 h6 46.Ra5=+ Kf7 47.d5 Rc4 48.Ne4 Kg6 49.d6 Rb7 50.Kd3 Rcb4 ½–½. Bellette,Aaron Joseph (2155) – Hoshino,Eizo, PATT V ICCF, 2006.

9.Na3 e6 10.Ne5 Be2 11.Qe2 Ne5 12.Be5 Qe7=+.

9.a5 c5 10.b5 a6=.

9.a5 Qc7 10.Nc3=.

9.a5 e6 10.a6 Qc7=.

9.a5 e6 10.d3 Qe7 11.Nbd2 h6 12.c3 Rfe8 13.a6 b6 14.Nd4 Be2 15.Qe2 Rac8 16.Ba3 b5 17.Bb2 e5 18.fe5 Ne5 19.Rae1 Rb8 20.Ra1 Nfg4 21.N2b3 Qg5 22.Rf4 Nf6 23.Raf1 Qh5 24.Bc1 (better is 24.Qd2!?=) 24...Qe2-/+ 25.Ne2 Nd3 26.Rf6 Bf6 27.Rf6 Rb6 28.Ned4 Ra6 29.Bd2 (29.Nc6? Nc1 30.Nc1 Kg7–+) 29...Ne5 30.Nb5 Ra2 31.N5d4 Kg7 32.Rf2 Nd3 33.Nc1 Rd2 34.Rd2 Nc1 35.Kf2 Rc8 36.Rd1 c5 37.Rc1 cd4 38.ed4 Kf6 39.Ke3 Kf5 40.Kd3 f6 ½–½. Flor Trejo,Remigio Francisco – Riera Muniz,S, 3776 Copa Che Guevara, 2003. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7)

9.a5 e6 10.d3 Bf3 11.Bf3 (11.Rf3 Ng4 12.Bg7 Kg7=) 11...Qc7 (11...Qe7 12.Nd2=) 12.d4= Ne4 13.Be4 de4 14.c4 Rac8 (14...c5 15.bc5 Nc5 16.Ba3+=) 15.Qb3 a6 16.Nc3 f5 17.Rac1 Nf6 18.Na4 Rfe8 19.Nb6 Rcd8 20.b5 g5 21.ba6+/– ba6 22.Rce1 gf4+= 23.Rf4 Ng4 24.h3 Nf6 25.c5 Nd5 26.Nd5 ed5 27.Qb6 Qc8 28.Bc1 Bh6 29.Rf2 Bg5 30.Ref1 Rf8 31.Qb3 Kh8 32.Rb2 Rf7 33.Qd1 Rg8 34.Kh1 Bd8= 35.Qh5 Qd7 36.Bd2 Rf6 37.Be1 Qg7= 38.Qe2 Rh6 39.Rb8 Rg6 40.Rg1 Qc7 41.Rb2 f4 42.ef4 ½–½. Rhodes,John D (2400) – Asquith,Jerry EC (2445), Ken Messere Memorial, 2007.

9.a5 e6 10.Nd4 Be2 11.Qe2 Re8 (11...e5 12.fe5 Ne5 13.a6=) 12.Nf3 (12.a6!? Qc7 13.ab7 Qb7 14.Nc3=) 12...Qe7=+ 13.Bc3 b5 (13...Ne4 14.Bg7 Kg7 15.d3=+) 14.d3= a6 15.Nbd2 c5 16.bc5 Nc5 17.Nb3 Na4 18.Bd4 (18.Bd2 Rac8 19.Nbd4 Ng4=+) 18...Rac8 19.Qd2 (19.Ne5 Nd7=+) 19...Nd7=+ 20.Bg7 Kg7 21.Qf2 Ndc5 22.Nbd4 Nb7 23.Qg3 Nd6 24.Rae1 Qd8 25.Qh3 Qa5-/+ 26.g4 Qc7 27.f5=+ Qe7 28.fe6= fe6 29.Ne5 Kg8 30.Rf3 Qg7 31.Qg3 Nc5 32.Ref1 b4 33.Nf7 Nf7 34.Rf7 Qf7 35.Rf7 Kf7 36.Qf4 ½–½. Vestergaard,Steen S (2265) – Leal,Paulo (2320), corr WS/MN/023 ICCF, 2007.

9.Nc3 Ne4 10.a5 c5 11.b5 Nd6 (11...c4 12.Nd4 Be2 13.Qe2=) 12.Ra4 (12.a6 ba6 13.Ra6 d4=) 12...e6 (12...c4 13.Nd4 Be2 14.Qe2=) 13.Qb1 (13.a6 Qb8=) 13...Re8 (13...c4 14.Ra2=) 14.h3 (14.a6 Rb8=) 14...Bf3 15.Bf3 Rc8 16.Ne2 Bb2 17.Qb2 Nc4 (17...c4 18.a6 b6 19.Ra3=) 18.Rc4 dc4 19.Bb7 Rb8 20.Bc6 Rf8 (20...Qc7 21.Qc3+=) 21.Qc3 Nf6 22.e4 Ne8 23.e5 Nc7 24.Rb1 Nd5 25.Qc4 Qa5 26.Nc3 Nb4 27.Qc5 Nc6 28.Qc6 Rfd8 29.Ne4 Rdc8 30.Qd7 Rc2 31.Qd3 Qa2 32.Rd1 Rb2 33.Nd6 Qa4 34.Rf1 a6 35.ba6 R8b3 36.Qe2 Rb1 37.Kh2 Qa1 38.Rb1 Rb1 39.Qd3 Rh1 40.Kg3 Qe1 41.Kg4 Qf2 42.Qf3 Qf3 43.Kf3 Ra1 44.a7 Ra7 45.d3 Ra3 46.Ke3 Ra1 47.Kf3 Rd1 48.Ke4 Re1 49.Kf3 g5 50.Kf2= Rb1 51.fg5 Rb2 ½–½. Koolsbergen,Nico (1960) – Avrum,Feivel (2060), IECC, 2001.

9.Nc3 Ne4 10.Nd4 Bd4 11.ed4 Be2 12.Ne2 Ndf6 13.d3 Nd6 14.a5 Nf5 15.Qd2 a6 16.Nc1 Qc7 17.Nb3 Kg7 18.Qe2 Rae8 19.Nc5 h5 20.Qe5 Nd6 21.f5! g5 (21...Nf5 22.Qc7 Pinning (22.Qc7 Deflection); 21...gf5 22.Rf5 Combination) 22.Bc1 g4 23.Bg5 Qd8 24.Rac1 Rg8 25.c4 Kh7 26.Qf4 Nd7 27.cd5 cd5 28.Bh4 Nf6 29.Qe3 Qb8 30.Qe5 Qd8 31.Bf6 (31.Bf6 ef6 32.Qd5+/–) 1–0. Vanderploeg,John – Naumann,H, ICCF World Cup8–9 prel–179, 1990. (=1.f4 d5 2.e3 g6 3.Nf3 Nf6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7)

9.Nc3 Bf3 10.Rf3 c5 11.bc5 Nc5=.

9.Bd4 a5 10.b5 c5=.

9.Ne5 Be2 10.Qe2 Ne4 11.d3 Nd6 12.Nd2 f6 13.Nef3 e5 14.fe5 fe5 15.c4 e4 16.Nd4 ed3 17.Qd3 Ne5 18.Rf8 Qf8 19.Qc2 Ndc4 20.Nc4 Nc4 21.Bc3 Qe7 22.Re1 Re8 23.Qf2 Qe4 24.Rf1?? Qe3 25.Qe3 Re3 26.Ba1 Re4 27.b5 Bd4 28.Bd4 Rd4 0–1. lllllll21 – lider55 (1795), kurnik, 2011.

9.Ne5 Be2 10.Qe2 Ne5 11.Be5 Qd7 12.d3 a5 13.ba5 Ra5 14.Nd2 Qg4 15.Qg4 Ng4 16.Bg7 Kg7 17.Nb3 ½–½. De Ruiter,Tom – Thierry,Rein DJ, NED–ch M corr, 1993. (=1.f4 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7)

9.Na3 Qb6

10.Rb1 Qb4 11.Bf6 Qa3 12.Bg7 Kg7 13.Rb7 Rfb8 14.Qb1 Bf3 15.Bf3 Qa4 16.Qb2 Kg8 17.Rb8 Rb8 18.Qc3 Qb5 19.Qa3 Qc5 20.Qc5 (20.Qc5 Nc5 21.Ra1+=) 1–0. Egan,Michael (2280) – Graham,Stuart (2330), WS/MN/078 ICCF, 2012. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Qb6)

10.b5 a6 11.c4 ab5 12.ab5 e6 13.Ne5 Be2 14.Qe2 Ne5 15.fe5 Nd7 16.d4 f6 17.c5 Qc7 18.b6 Qd8 19.ef6 Nf6 20.Nc2 Ra1 21.Na1 Ne4 22.Rf8 Qf8 23.Nb3 Qa8 24.Nc1 Bh6 25.Nd3 Qa2 26.g3 Qc4 27.Kg2 e5 28.Qd1 ed4 29.Bd4 Qa2 30.Kg1 Bg7 31.Qg4 Qb1–+ 32.Kg2 Qc2 33.Kh1 Bd4 34.ed4 Qd3 35.Qc8 Kg7 36.Qb7 Kh6 37.Qf7 Qd1 38.Kg2 Qe2 39.Kg1 Nd2 40.Qf8 Kh5 41.Qf2 Qf2 42.Kf2 Ne4 43.Ke3 Nf6 44.Kf4 Nd7 45.h3 Kh6 46.Kg4 Kg7–+ 47.Kf4 Kf6 48.h4? h6 49.Kg4 Ke7 50.Kf4 Kd8 51.Kg4 Kc8 52.Kf4 Kb7 53.Ke3 Nb6! 0–1. Louro,Eugenio (2200) – Muller,Henri (2325), ETC–S.17 remoteschach.de, 2006.

10.b5 Rac8 11.c4 cb5 12.Bd4 Qd6 (12...Qe6 13.cd5 Qd5 (worse is 13...Nd5 14.Bg7 Ne3 15.de3 Qe3 16.Kh1 Kg7 17.Nb5+/–) 14.ab5 Nc5=) 13.Nb5+/– (13.cb5?! Ne4 14.Bg7 Kg7=) 13...Qb8 14.Na7 Rcd8 15.cd5 Nd5 16.Bg7 Kg7 17.Nb5 N7f6 18.Ne5?? (better is 18.Qb3+-) 18...Ne3+= 19.Qe1 (19.de3!? Rd1 20.Bd1 Bd1 21.Rfd1-/+) 19...Be2 20.de3 Bf1 21.Kf1 Ne4 22.Rd1 (22.Qb4 Nd6-/+) 22...Rd1–+ 23.Qd1 Rd8 24.Qc2 Nd6 25.Ke2 Qc8 (25...Qc8 26.Qb3 Qf5–+) 0–1. cyberryder (1805) – eleu (1675), gameknot.com, 2012. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Qb6)

10.b5 Ne4 11.Bg7 Kg7 12.c4 Qa5 13.d3 Nc3 14.Qd2 Ne2 15.Qe2 Rac8 (15...Nc5 16.Qc2 Bf3 17.cd5 Bd5 18.Qc5=) 16.Qb2 f6 17.Nd4 Nc5 18.Qc2 Bd7 (18...Qa4 19.Qd2 Bf5 20.bc6 Bd3 21.Nab5 Qc4 22.Rfc1+-; 18...Na4? 19.bc6 bc6 20.Nb1+-) 19.Nb3 Nb3=+ 20.Qb3 Be6 21.Rfc1 cb5 22.Qb5 Qd2-/+ 23.Qb7 Qe3 24.Kh1 Rb8 25.Qc7 Bf7 26.Re1 Qd3 27.cd5 Rb2 28.Qc1 Rd2 29.Rd1 Rd1–+ 30.Qd1 Qd5 31.Nb5 Qb7 32.Qg1 a6 33.Nd4 Rc8 34.a5 Qb4 35.Ne2 Bd5 36.Qe3 Rc2 37.Rd1 Qb7 38.Rg1 e6 39.f5 ef5 40.Nf4 Be4 41.h4 g5 42.Qg3 h6 43.Ne6 Kg8 44.Nd4 Rd2 45.Qb3 Qb3 46.Nb3 Ra2 47.Nc5 Ra5 48.Rc1 gh4 49.Kh2 Ra2 (49...Ra2 50.Rc4 Rg2 51.Kh3 Rg3 52.Kh4 Rg4 53.Kh5 Bf3 54.Rg4 fg4–+) 0–1. Lannoy,Jean_Claude – Roubaud,David, corr WS/O/290 ICCF, 2009.

10.b5 Ne4 11.Bg7 Kg7 12.Nd4 Be2 13.Qe2 c5 14.Nf3 c4 15.Nd4 e5 16.fe5 Ne5 17.d3 Nd6 18.a5 Qc5 19.Nf3 Nd7 20.dc4 Rae8 21.Rfe1 dc4 22.Qd2 Nf6 23.Qd4 Rc8 24.Rad1 Qa3 25.Qd6 Qa5 26.Qf4 Qb5 27.Rd6 Ne8 28.Qd4 Kg8 29.Rd5 Qb4 30.Qa7 Nf6 31.Rdd1 Ne4 32.Rb1 Qc3 33.Nd4 Nd2 34.Rbd1 Qb4 35.Ra1 Rfe8 36.Ra4 Qe7 37.Qb6 c3 38.Qb4 Qg5 39.Qb7 Rb8 40.Nf3 Qf5 41.Qc7 Nf3 42.gf3 Rbc8 43.Qf4 Qc2 44.Ra7 Rf8 45.e4 Qb2 46.Raa1 Rfd8 47.Rac1 Qd2 48.Qg3 c2 49.Qf2 Qc3 50.Qf1 Rd2 51.Re2? (51.Kh1–+) 51...Rcd8 52.Kg2 Re2 (52...Re2 53.Qe2 Rd2–+) 0–1. Capron,Mark – Perevozchikov,Viacheslav, UKR–USA, 2010. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Qb6)

10.Bc3 Qc7 11.Rb1 Bf3 12.Bf3 e5 13.fe5 Ne5 14.Be2 (14.Be5 Qe5 15.c3 Rfe8=+) 14...Rfe8 (14...Ne4!? 15.Ba1 Nd7-/+) 15.Bd4=+ h5 16.c4 Neg4 17.g3 Nh2 18.Kh2 (18.Rf6? Qg3 (18...Bf6?! 19.Kh2 Bd4 20.ed4-/+) 19.Kh1 Re4–+) 18...Ne4 19.Rf3 Bd4 20.ed4 Ng3 21.Bd3 Nf5 22.Kh1 Nd4 23.Rf2 Qg3 24.Qf1 Rad8 25.Rg2 Qh3 26.Rh2 Qg4 27.Rg2 Qh4 28.Rh2 Qe7 29.c5 a5 30.ba5 Ra8 31.a6 ba6= 32.Qg2 Rab8 33.Rg1 Qf6 34.Nc2 Nc2 ½–½. Jan,Philippe (2195) – Graham,Stuart (2175), Ernst Nielsen Memorial, 2009.

10.Bc3 Qc7 11.d3 Bf3 12.Bf3 Rfe8 13.Qd2 e5 14.a5 b6 15.b5 ef4 16.ef4 cb5 17.Nb5 Qc5 18.Nd4 Nh5 19.Ra4 b5 20.Rb4 Nf4 21.Kh1 Rab8 22.Rb5 (worse is 22.Qf4 Qc3 23.Ne2 Qc2 24.Bd5 Qe2 25.Bf7 Kh8 26.Be8 Re8–+) 22...Rb5 23.Nb5 Ne6 24.Bg7 Kg7 25.Qc3 Qc3 26.Nc3 Nd4 27.Bd5 Ne5 28.h3 Nc2 29.Rb1 Rc8 30.Nb5 Rb8 31.Rb3 a6 32.Nc7 Rb3 33.Bb3 Nb4 34.d4 Nec6 35.Bc4 Na5 36.Ba6 (worse is 36.Na6 Nc2 (36...Nc4?! 37.Nb4 Kf6 38.g4=) 37.Bd5 Nd4-/+) 36...Na6 37.Na6 Nb3 38.d5 Kf6 39.g4 Ke5 40.Nb4 Kd6 41.Kg2 Kc5 42.d6 Kd6 (42...Kb4?? 43.d7+-) 43.Kf3 Ke5 44.Ke3 f5 45.Nc6 Kf6 46.gf5 gf5 47.h4 Nc5 48.Nb8 h6 49.Nc6 Nd7 50.Nb4 Nf8 51.Nd5 Ke5 52.Nf4 Ne6 53.Nd3 Kf6 54.Nb4 Nf8 55.Nd5 Ke6 56.Nf4 Kd6 57.Kf3 Ke5 58.Ke3 Ne6 59.Nd3 Kf6 60.Nb4 Nf8 ½–½. Kaminski,Janusz (2010) – Kratochvil,Vaclav (2025), CZE–Poland, 2011. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Qb6)

10.Bc3 Ne4 11.Bg7 Kg7 12.Rb1 a5 13.b5 Qc5 14.Rb3 Rfc8 15.c4 e6 16.Qc1 Qd6 17.Qc2 Ndc5 18.Rb2 Nd7 19.Rb3 Nef6 20.bc6 bc6 21.d4 Bf5 22.Qa2 Rcb8 23.c5 Qe7 24.Nd2 Rb3 25.Qb3 Ne4 26.Ne4+= Rb8 27.Qc3 Be4 28.Nb5 cb5=+ 29.ab5 Qd8 30.Ra1 Ra8 31.Qb3 h6 32.b6 Rb8 33.Ra5= Nb6 34.cb6 Rb6 35.Qc3 Rb1 36.Bf1 Qb8 37.Ra1 Rb6 38.Ra2 Rb3 39.Qd2 Rb1 40.Qe2 Rc1 41.Kf2 Qb1 42.Rd2 Bc2 43.Qb5 Qa1 44.Bd3 Bd3 45.Qd3 Rh1 46.Kg3 Qe1 47.Kh3 g5 48.g3 Rg1 49.fg5 hg5 50.Kg4 f5 51.Kg5 Rg3 52.Kf4 Rh3 53.Qe2 Qh4 54.Ke5 Qd8 55.Qg2 Kf7 56.Qh3 Qb8 (56...Qc7) 0–1. Strange,Mikkel (2205) – Morley,Paul (2200), corr WS/M4 ICCF, 2007.

10.Bc3 Ne4 11.Bg7 Kg7 12.c3 a5 13.b5 Rac8 (13...Ndc5 14.d4 Ne6 15.Qc2=+) 14.c4 (14.bc6 bc6 15.Ng5 Be2 16.Qe2 Ng5 17.fg5 Nc5=+) 14...cb5 15.ab5 Qd6 16.Qc2 Rfd8 17.d3 Nef6 18.d4 dc4 (18...Bf5 19.Qc1 dc4 20.Nc4-/+) 19.Nc4 Nd5 20.Qb2 (20.Nd6 Rc2 21.Nb7 Rb8-/+) 20...Qb4=+ 21.Rfb1 Qc3 22.Ra3 Qb2 23.Rb2 b6 24.Kf2 Rc7 25.h3 Bf3 26.Kf3 f5 27.Rbb3 N7f6 28.Ne5 Ne4 29.Nc6 Nd2 30.Kf2 Nb3 31.Nd8 Rc3 32.Nc6 Nd2–+ 33.Rc3 Ne4 34.Ke1 Nec3 35.Bc4 Ne3 36.Kd2 Ncd5 37.Ba2 e6 38.g3 a4 39.Kd3 h6 40.h4? Nf1 41.Bd5 ed5 42.Nb4? Ng3 43.Nd5 a3 44.Kc2 Ne2 45.Kb3 Nd4 46.Ka3 Nb5 47.Kb4 Nd4 48.Ne3 Kf7 49.Kc4 Nf3 50.Ng2 Ke6 51.Kd3 b5 52.Ke3 b4 53.Kd3 Kd5 54.Ne3 Kc5 55.Ng2 h5 56.Kc2 Kd4 (56...Kd4–+) 0–1. Hess,Helmut (2335) – Ovcharenko,Leonid Mikhailovich, corr WS/M/193 ICCF, 2009.

9.Na3 Bf3

10.Bf3 a5 11.b5=.

10.Bf3 Qb6 11.b5=.

10.Bf3 Re8

11.Rb1 e5 12.fe5 Ne5 13.Be2 Ne4 14.c4 Qg5 15.cd5 (15.Rf4 Rad8=) 15...cd5+= 16.Bd4 (16.Nb5 Re7=) 16...Nc6= 17.Bg7 Kg7 18.Nc2 Rac8 19.Bb5 (19.Rc1 d4=) 19...a6 (19...Re6 20.Rc1=) 20.Bc6 Rc6 21.Nd4 Rc4 22.Nf3 Qg4 23.Qb3+= Nf6 24.a5 h6 25.b5 ab5 26.Qb5 Re7 27.Nd4 Qg5 28.Rf4 Qe5 29.Rbf1 Ne8 30.Qb6+/– Rec7 31.R4f3 Nd6 32.Qb2 Kg8 33.Qa1 R4c5 34.a6 ba6= 35.Qa6 Nc4 36.Qa8 Rc8 37.Qa2 R5c7 38.R3f2 Rb8 39.Nf3 Qe8 40.Qc2 Rbb7 41.Qd3 Qe4 42.Qc3 Nb2 43.Qf6 Nd3 44.Ra1 Rb8 45.Rff1 Rbc8 46.Nd4 Qe5 47.Qf3 Re8 48.Ra5+= Nb4 49.Rb5 Qd6 50.Ne2 Re4 51.Nc3+- Re8 52.Rb4! Qb4 53.Nd5 Qb8 54.Qf4+- Rb7 55.Nf6 Kg7 56.Qd4 Kf8 57.Ne8 Ke8 58.Qh8 Ke7 59.Qf6 Ke8 60.Rf4 Qa7 61.Qh8 (61.Qh8 Ke7 62.Re4 Kd6 63.Qf6 Kd5 64.Rd4 Qd4 65.Qd4 Kc6 66.Qf6 Kb5 67.d4+-) 1–0. ioana (2520) – primalinstinct (2725), net–chess.com, 2007.

11.c4 Qb6 12.Rb1 Ne4=.

11.c4 e5 12.f5 (12.cd5 cd5 13.fe5 Ne5=) 12...e4 (12...gf5 13.cd5 cd5 14.Rc1=) 13.Be2 g5 14.Rc1 Qe7 15.b5 a6 16.ba6 ba6 17.cd5 cd5 18.Nc2 Rec8 19.Ba3 Qd8 20.Nd4 Ne5 21.Rc8 Qc8 22.Qb3 Rb8 23.Rc1 Nc4 24.Qc3 h5 25.h3 h4 26.Bc4 dc4 27.Qc4 Qc4 28.Rc4 Rb1 29.Kf2 Rd1 30.Nb3 Rb1 31.Nc1 g4 32.Be7+/– Kh7 33.Ke2 Nd7 34.hg4 Nb6 35.Rc6 Na4 36.Ra6 Nb6 37.Na2+- Nd5 38.Bh4 Rg1 39.g3 Rg2 40.Ke1 Rg1 41.Kf2 Rh1 42.Bg5 Rh2 43.Ke1 Rh1 44.Ke2 Rh2 45.Kd1 Rh1 46.Kc2 Ra1 47.Bf4 1–0. Malnar,Ales (2245) – Urpilainen,Erkki (2240), Finland – Slovenia, 2007.

11.d4 a5 12.b5=.

11.d4 a6 12.c4 e6 13.a5 dc4 14.Nc4 Nd5 15.Bd5 (better is 15.e4!? Nf4 16.Bg4+=) 15...ed5+= 16.Nd2 (better is 16.Ne5!?+=) 16…Re3–+ 0–1. Green,Peter – Desruelle,Patrick, France–Canada, 1993. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

11.d4 Nb6

12.a5 Na4 13.Bc1 Nc3 14.Qd3 Nce4 15.c4 Qd6 16.Rb1 Rab8 17.b5 h6 18.b6 a6 19.c5 Qd7 ½–½. Goncalves,Claudio Javier – Civitillo,Alfredo, CADAP–18ch sf02 email, 2004. (=1.f4 d5 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

12.c3 a5 13.b5 Qd6 14.Qc2 Rec8 15.c4 Qe6 16.Qe2 (16.c5!? cb5 17.ab5 Qe3 18.Kh1=) 16...Na4-/+ (16...Nc4?! 17.Nc4 dc4 18.bc6 bc6 19.e4=) 17.Bc1 Nc3 18.Qd3 Nce4 19.bc6 bc6 20.cd5 cd5 21.Bb2 Qb6 22.Rfb1 Qb4 23.Bc1 Qe1 24.Qf1 Qf1 25.Kf1 e6 26.g4 Nc3 27.Rb7 Nfe4 28.Nb5 (28.g5!?–+) 28...Nc5! 29.dc5 Nb5 30.Rb1 Nc3 31.R1b6 Na4 32.Rb5? Nc5 (32...Nc5 33.R7b6 Na4–+; 32...Rc5?! 33.Rb8 Rc8 34.Rc8 Rc8 35.Bd2–+) 0–1. Bialas,Torsten – Eliseit,W, M40–E corr, 1989. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

12.c3 Nc8 13.c4 Nd6 14.c5 Nde4 15.Qd3 Ng5?? (better is 15...Rb8=) 16.fg5+- (16.fg5 Nd7 17.e4 de4 18.Be4+-) 1–0. Korning,Peter – Larsen,Poul, Denmark ch corr, 1964. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

12.c3 Nc8 13.c4 Nd6 14.Qd3 Qd7 15.c5 Nde4 16.b5 Qf5 17.Qe2 h5 18.g3 Bh6 19.Qg2 g5 20.Nc2 g4 21.Be4 Ne4 22.Nb4 Rec8 23.bc6 bc6 24.Na6 1–0. Fawbush,George – Thompson,George Edward, USA corr, 1982. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

12.c3 Nc8 13.c4 Nd6 14.Qd3 Nde4 15.c5 a5 16.b5 Qd7 17.b6 Qf5 18.Qe2 h5 19.Nb1 Kh7 20.Nd2 Nd2 21.Qd2 Ne4 22.Be4 Qe4 23.Bc3 Ra6 24.f5 gf5 25.Qe2 (worse is 25.Ba5 Bh6 26.Rf3 Ra5 27.Qa5 Be3 28.Kh1 Qd4=) 25...Qg4 26.Qg4 fg4 27.Rf7 ½–½. Tonn,Waldemar – Shablinsky,Mikhail Ivanovich, ICCF World Cup8–9 prel–023, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

11.d4 Ne4

12.Be4 de4

13.Nc4 Qc7 14.Qe1 e6 15.g4 f5 16.g5 b5 17.Nd2 Reb8 18.a5 c5 19.c3 cb4 20.cb4 Qc2 21.Rb1 Rc8 22.Ba1 a6 23.Nb3 Qc4 24.Nc5 Qd5 25.Rf2 Rc6 26.Rd2 Rd8 (26...Nc5 27.dc5 (27.bc5?! Rb8=) 27...Qc4 28.Bg7 Kg7 29.Rd7 Kh8 30.Qh4+-) 27.Rbd1 Rd6 (27...Nc5?? 28.dc5 Ba1 29.Rd5 ed5 30.Ra1+-) 28.Bc3 Rc6 29.h4 Rdc8 30.Bb2 Rd8 (30...Nc5 31.dc5 Qb3 32.Bg7 Kg7 33.Rd7 Kg8 34.Rd8 Rd8 35.Rd8 Kf7 36.Qd2+-) 31.Qe2 Rd6 (31...Nc5 32.dc5 h6 33.Rd5 ed5 34.Bg7 Kg7 35.Qb2 Kh7 36.Qe5+-) 32.Bc3 Rc6 33.h5 Kf7 (33...Nc5 34.dc5 (34.bc5?! Qb3 35.Rc1 Qa3=) 34...Bc3 35.Rd5 ed5 36.Rd5+-) 34.Kg2 Ra8 35.Bb2 Nb8 36.Rc2 Rc8 37.Rdc1 Nc6 38.Qd2 Ne7 39.Kg3 h6 40.hg6 Ng6 41.gh6 Bh6 42.Rg1 Rh8 43.Qc1 Nf4 (43...Nh4 44.Kf2 Nf3 45.Rh1+=) 44.ef4 e3 45.Qe3 Bf4 46.Qf4 Rag8 47.Kf2 Rg1 (47...Rg1 48.Re2 Rg2 49.Ke3 Rh3 50.Kd2 Re2 51.Ke2 Qg2 52.Qf2 Qg5–+) 0–1. Daum,Gernot – Agrain,Francois, Compuserve year?, 1995. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8 11.d4 Ne4 12.Be4 de4)

13.Nc4 Qc7 14.g4 e6 15.g5 f5 16.gf6 Nf6 17.Na5 Nd5 18.Qd2 b6 19.Nb3 Qe7 20.Ba3 b5 21.ab5 cb5 22.Nc5 Nf6 23.Qg2 Rac8 24.Ne4 Ne4 25.Qe4 Qc7 26.Rfc1 Qc3 27.Qd3 Bf8 28.Kf2 Bb4 29.Bb4 Qb4 30.Ra7 Qb2 31.Raa1 Rc3 32.Rab1 Rd3 33.Rb2 Rd2 34.Kg3 Rb8 35.h4 Re2 36.Kf3 Rh2 37.Rcb1 Rc8 38.Rb5 Rcc2 39.Rb8 Kg7 40.R1b7 Kh6 41.Rh8 1–0. Benedetto – Battastini, corr 1983.

13.Nc4 f5 14.Qe1 1–0. Rockel,Jens Uwe – Sapa,Wladyslaw, ICCF–Cup8 V181 corr, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

13.Nc4 f5 14.Qe2 Nf6 15.a5 Nd5 16.c3 e6 17.Ne5 Be5 18.fe5 Qg5 19.Rfe1 Rf8 20.Qd2 f4 21.ef4 Rf4 22.Bc1 e3 23.Qd3? (23.Re3 Raf8 24.Re1 Qf5=) 23...Rg4 (23...Rf2!? 24.Qe4 Nf4 (24...Nc3?! 25.Be3 Qh5 26.Bf2 Ne4 27.Re4-/+) 25.Be3 Rg2 26.Kh1 Rh2 27.Kh2 Qh4 28.Kg1 Nh3 29.Kh2 Qe4–+) 24.Ra2 Nf4 25.Qf1 Rf8 26.g3 e2 27.Rae2 Ne2 28.Qe2 Rg3! 29.Kh1 (29.hg3 Qg3 Double attack) 29...Qh4 30.Bd2 Rgf3 (30...Rgf3 31.Qg2 Rf2–+) 0–1. Wolfrum,H – Richter,D, corr, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8)

13.f5 gf5 14.Rf5 e6+=.

13.Nc4 Nb6=

14.Nb6 Qb6 15.Bc3 e6+=.

14.Na5 Nd5

15.Qe1 Qb6 16.c3 e6 17.Bc1 Rac8 18.Bd2 Bf8 19.Nc4 Qc7 20.Qb1 f5 21.Ne5 b5 22.Rc1 Bd6 23.c4 bc4 24.Rc4 Qb7 Will b4 fall? 25.Qc1 Be5 26.fe5 Re7 27.Rc5 Rec7 28.Qc4 Kf7 29.Rc1 Nb6 30.Qb3 Nd5 31.Kf2 Qb6 ½–½. Hess,Helmut (2335) – Gronemann,Joern (2220), corr 60yearsBdF–WSSF03, 2009.

15.Qe1 Qb6 16.c3 e6 17.Nc4 Qa6 (17...Qc7 18.Ne5=) 18.Ne5 (better is 18.Nd6!?+=) 18...Be5= 19.fe5 Qd3 20.Kf2 f6 21.Qe2 (better is 21.Rd1!? Qc2 22.Qe2 Qe2 23.Ke2 fe5 24.a5=) 21...fe5-/+ 22.Qd3 (better is 22.Rfe1!?-/+) 22...ed3–+ 23.e4 Rf8 24.Kg3?! (24.Kg1 Rf1 25.Rf1–+) 24...Rf1 25.Rf1 Ne3 26.Kf2 Nf1 27.Kf1 ed4 28.cd4 a5 29.b5 cb5 30.ab5 Rc8 31.Ba3 (31.d5 ed5 32.ed5 Rc5–+) 31...Rc3 32.Bb2 0–1. Cosentino,Aldo – Stornelli,Vincenzo, Italy B/099 corr Asigc, 1992. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8 11.d4 Ne4 12.Be4 de4)

15.Qe1 Qc7 16.c4 Nb6 17.f5 e6 18.fg6 hg6 19.Rf2 f5 20.g3 Kf7 21.Qf1 Rh8 22.Nb3 Nd7 23.Rd1 Nf6 24.d5 (better is 24.Qe2!?=) 24...ed5 25.Bf6 Bf6 26.cd5 Rad8 27.dc6 Qc6 (worse is 27...bc6 28.Rd8 Rd8 29.Nc5=) 28.Rd8 Rd8 29.Na5 Qa4 30.Qc4 (30.Nb7?? Rd1 31.Nd6 Ke6–+) 30...Kg7 31.Nb7 Rd1 (better is 31...Qd1!? 32.Rf1 Qd3-/+) 32.Kg2= Rb1 ½–½. Bridier,Christian – Lacoste,Alain, Languedoc Roussillon–ch05 corr, 1994. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8 11.d4 Ne4 12.Be4 de4)

15.Qe1 Qd7 16.c4 Nf6 17.b5 Qc7 18.Rb1 Ng4 19.bc6 b6 20.Qe2 f5 21.Nb3 Qc6 22.d5 (22.a5!?+=) 22...Qa4+= 23.Bg7 Kg7 24.Nd4 Rec8 25.h3 Nf6 26.Rfc1 Qd7 27.g4 Kf7 28.g5 Ne8 29.Qa2 Nd6 30.h4 (30.Nc6 Kg8+=) 30...Qe8 31.Ne6 Qh8 32.h5 h6 (32...Kg8 33.h6+=) 33.Rb2 (better is 33.hg6!? Kg6 34.Rb2=) 33...gh5-/+ 34.Rh2 hg5 35.Ng5 Ke8 36.c5 Rc5 37.Rc5 bc5 38.Qa4 Kf8 39.Rg2 Re8 (39...h4!?-/+) 40.Qd7= Qh6 41.Qa7 Qh8 42.Qd7 Qh6 (42...Rb8 43.Ne6 Kf7 44.Kh1=) 43.Ne6+= Kf7 44.Ng5 (44.Nc5!? Rh8 45.Ne6+=) 44...Kf8= 45.Kh2 h4 46.Ne6 Kf7 47.Ng5 Kf8 48.Kh3 c4 49.Ne6 Kf7 50.Ng5 Kf8 51.Rg1 c3 (51...Rb8!?=) 52.Qe6+= Qe6 53.de6 (53.Ne6?! Kf7 54.Ng5 Kg6 55.Ne4 Kh6 56.Nc3 Rc8=) 53...Kg7 54.Ne4 Kh6 55.Nc3 Ne4 (better is 55...Rd8!? 56.Nd5 Nc8+=) 56.Ne4+- fe4 57.Kh4 Ra8 58.f5 Ra2 (58...Rb8 59.Rg6 Kh7 60.Kg5+-) 59.Rg8 Rf2 60.Rf8 1–0. Larsen,Bent – Spassky,Boris V, Izt, Amsterdam, 1964. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 c6 8.a4 Nbd7 9.Na3 Bf3 10.Bf3 Re8 11.d4 Ne4 12.Be4 de4 13.Nc4 Nb6)

15.Qe2 Nb4 16.Nb7 Qd5 17.Nc5+=.

15.Qe2 Qd7=.

8.Ne5 Be2

9.Qe2 Nfd7 10.d3 Ne5 11.fe5 Nd7 12.d4 b6 13.Nd2 c5 14.bc5 bc5 15.a4 c4 16.c3 Rb8 17.Ba3 Re8 18.Qf3+/– Rf8 19.Qd5 Nb6? 20.Qd8+- Rfd8 21.Be7 Re8 22.Bc5 Nd5 23.Ba7 Ra8 24.Bc5 Nc3 25.Nc4 Na4 26.Bd6 Nc3 27.Rac1 Ne2+/– 28.Kf2 Nc1 29.Rc1 Ra2 30.Kg3 Rc8 31.Bc5 Bf8 32.Nd6 Bd6 33.ed6 Rd8 34.Kf3 Kg7 35.Rb1 Ra6 36.Rb7 Rad6 37.Bd6 Rd6 38.Re7 Kf6 39.Re8 Ra6 40.g3 Ra2 41.h4 Ra1 42.Ke4 Rg1 43.Kf4 h6 44.e4 Rf1 45.Kg4 h5 46.Kh3 Re1 47.e5 Kg7 48.d5 f6?? 49.e6 g5 50.hg5 fg5 51.d6 Kg6 52.d7 g4 53.Kg2 Re2 54.Kf1 Rd2 55.d8Q Rd8 56.Rd8 Kf6 57.Rd6 Ke7 58.Ra6 Ke8 59.Ke2 Ke7 60.Ke3 Ke8 61.Kf4 Ke7 62.Kg5 h4+- 63.Kh4 Ke8 64.Kg4 Ke7 65.Kf5 Ke8 66.Kf6 Kd8 67.e7 Ke8 68.Ra8 Kd7 69.e8Q Kd6 70.Qe5 Kc6 71.Ra6 Kd7 72.Qe7 Kc8 73.Ra8# 1–0. elsh1403 – sakati (1695), kurnik, 2011.

9.Qe2 Nfd7 10.d3 f6 11.Nf3 Qb6 12.a3 a5 13.Bd4 Qc7 14.Nbd2 e5 15.fe5 fe5 16.Bc3 ab4 17.ab4 Ra1 18.Ba1 Na6 19.Bc3 Qd6 20.b5 cb5 21.Nb3 b4 22.Bd2 Ndc5 23.d4 Nb3 24.de5 Be5 25.cb3 Bc3 26.Bc1 Qc5 27.Qd3 Nc7 28.Rd1 b5 29.Nd4 Re8 30.Kf1 Re4 31.g3 Bd4 32.ed4 Qc3 33.Bf4 Qd3 34.Rd3 Ne6 35.Be5 Ng7 36.Rf3 Nf5 0–1. lllllll21 – jakcent (1630), kurnik, 2012.

9.Qe2 Nbd7

10.a4 Ne5 11.fe5 Nd7 12.d4 b6 13.c4 dc4 14.Qc4 c5 15.bc5 bc5 16.e6 fe6 17.Qe6 Kh8 18.Nd2 cd4 19.Bd4 Bd4 20.ed4 Nf6 21.Nf3 Rb8 22.Rab1 Rb1 23.Rb1 Re8 24.Rd1 Qa5 25.Ne5?? Qa4=+ 26.Nf7 Kg7 27.Rd2 Qa1 28.Kf2 Qc1 29.Ke3? Qe1 30.Re2 Qc3 31.Kf2 Qd4 32.Kf1 Qf4 33.Ke1 Qc1 34.Kf2 Qc5 35.Ke1 Rc8 36.Ne5 Qc1 37.Kf2–+ Qf4 38.Nf3 Re8 39.h3 Qf5 40.Qe3 a5 41.Qc3 a4 42.g4 Qf4 43.g5 Rf8 44.gf6 ef6 45.Qc7?? Rf7 46.Qf4+- g5 47.Qf5 h5 48.Re6 g4 49.Nh4 Kf8 50.Rf6 Rf6+- 51.Qf6 Ke8 52.Qg7 Kd8 53.Nf5 gh3 54.Qe7 Kc8 55.Nd6 Kb8 56.Qb7# 1–0. lllllll21 – bebi52 (1720), kurnik, 2011.

10.a4 e6 11.d3 Ne5 12.fe5 Nd7 13.d4 b6 14.Nd2 c5 15.c3 cb4 16.cb4 a5 17.b5 Rc8 18.Rac1 Qe7 19.Rc6 Rc6 20.bc6 Nb8 21.Rc1 Rc8 22.Qb5 Qc7 23.Ba3 Bf8 24.Bb2 Nc6+= 25.e4 Qd7 26.ed5 Qd5 27.Qb6 Ne7 28.Rc8 Nc8 29.Qb5 Ne7 30.Nc4 Qe4+= 31.Nd6 Qb1 32.Qf1= Qf1 33.Kf1 Nd5 34.Ne4 Bb4 35.Nf6 Kg7 36.Nd5 ed5 37.Ke2 f5 38.Kf3 g5 39.Bc1 h6 40.g4 f4 41.h4 Bc3=+ 42.hg5 hg5 43.e6 Kf6–+ 44.e7 Ke7 45.Ba3 Ke6 46.Bc5 Bb4 47.Bb6 Bc3?? 48.Bc5?? Kd7 49.Bb6 Kc6 50.Ba7?? Bb4 51.Bb8 Be7 52.Be5 Kd7 53.Bg7 Ke6 54.Be5 Bf6 55.Bf6? Kf6 56.Kf2 Ke6 57.Kf3 Kd7 58.Kf2 Kd8 59.Kf3 Ke7 60.Kf2 Kf7 61.Kf3?? Kg6?? 62.Kf2 Kh6 63.Kf3 Kh7 64.Kf2 Kg8 65.Kf3 Kf7 66.Kf2 f3 67.Kf3 Kg6 68.Kg3 Kf7 69.Kf3 Ke7 70.Kg3 Kd7 0–1. lllllll21 – ejdrzej (1630), kurnik, 2012.

10.d3 Ne5 11.fe5 Nd7 12.d4 b6 13.c4 e6 14.Nd2 c5 15.bc5 bc5 16.Rab1 cd4 17.ed4 dc4 18.Nc4 Nb6 19.Nd6 Nd5 20.Ba3 Qa5?? 21.Qf3 Nc3?? 22.Rb3 Na2 23.Nf7 Qc7 24.Bf8 Rf8 25.Rb7 Qc4 26.Qg4 Qd5?? 27.Re7 Nc3 28.h4 Nb5? 29.h5 Nd4 30.hg6 hg6?? 31.Qg6 Ne2 32.Kh2 Qd4 33.Nh6 Kh8 34.Qg7# 1–0. elsh1403 – dusanvt, kurnik, 2011.

10.d3 Ne5 11.fe5 Nd7 12.d4 e6 13.c4 dc4 14.Qc4 Nb6 15.Qe2 Nd5 16.a3 a5 17.b5 cb5 18.Qb5 b6 19.Rf3 Rc8 20.Qd3 Qc7 21.e4 Ne7 22.Nc3 Qc4 23.Qe3 b5 24.Rc1 b4 25.Nd5 Nd5=+ 26.Rc4 Ne3 27.Rc8 Rc8 28.Re3 Rc2 29.Ba1?? Rc1–+ 30.Kf2 Ra1 31.ab4 ab4 32.Rb3 Bf8 33.d5 Bc5 34.Kf3 Ra3 35.Ra3 ba3 36.d6 Bb6 37.d7 a2 0–1. elsh1403 – ejdrzej (1675), kurnik, 2012.

10.d3 Ne5 11.fe5 Nd7 12.d4 e6 13.Nd2 Qe7 14.c4 Qb4 15.Rab1 Qe7 16.cd5 ed5 17.e4 Nb6 18.ed5 Nd5 19.Nc4 f6 20.Ba3+/– Qe6? 21.Bf8+- Rf8 22.Rb7 fe5 23.Rf8 Bf8 24.Ne5 c5 25.Rb8 cd4 26.Qf3 Nf6 27.Nd7?? Nd7–+ 28.Rb1 Bc5 29.h3 Qe3 30.Kh2 Bd6 31.Kh1 Qf3 32.gf3 Ne5 33.Kg2 d3 34.Rd1 g5 35.Kf2 Bc5 36.Ke1 Nf3 37.Kf1 Ne5 38.Ke1 Kf7 39.Kd2 Ke6 40.Kc3 Kd5 41.a4 Bd4 42.Kd2 Bb2 43.Rf1 Ba3 44.Rf5 Bb4 45.Kd1 Kd4 46.Rg5 Nc4 47.Rg4 Kc3 48.Rg7 Ne3 49.Kc1 d2 50.Kb1 d1Q (50...d1Q 51.Ka2 Qe2 52.Kb1 Qb2#) 0–1. elsh1403 – stanislaw123 (1685), kurnik, 2012.

10.d3 Ne5 11.fe5 Nd7 12.d4 f6 13.e6 Nb6 14.Nd2 Qd6 15.c4 Qe6 16.cd5 Nd5 17.e4 Nb4 18.a3 Na6 19.e5 f5 20.Nf3 Nc7 21.Ng5 Qd5 22.Rac1 Ne6 23.Nf3 Rad8 24.Rfd1 Nf4 25.Qd2 Ne6 26.a4?? Nc7 27.Ba3 Rf7 28.Rc5 Qd7 29.Ng5 Bh6 30.e6 Bg5 31.ef7+- Kf7 32.Qa2?? e6 33.Re5 Bf4 34.Re2 Nd5 35.g3?? Bd6 36.Bd6? Qd6 37.Rde1 Re8 38.Qd2 Nf6 39.g4 Ne4 40.Qh6? Kg8 41.gf5 ef5 42.Rg2? Qd4 43.Kf1 Qd3 44.Kg1 Qd4 45.Kf1 Qf6 46.Rge2 Qd6 47.h4?? Qd3 48.Qf4 Ng3 49.Kf2 Ne2 50.Re2 Re2 51.Kg1 Qd1 52.Qf1 Qf1 53.Kf1–+ Ra2 0–1. elsh1403 – maras1667 (1610), kurnik, 2012.

8.h3 Bf3

9.Rf3 Qd6 10.a3 a5=.

9.Bf3 a5 10.ba5 Qa5 11.Bc3=+.

9.Bf3 Ne4 10.d3?? Ng3 11.Bg7= Kg7 12.Re1 Nd7 13.c4 dc4 14.dc4 Nf6 15.Qb3 Nf5 16.Nc3 Kg8 17.Rad1 Qc7 18.e4 Nh4 19.e5 Nf3 20.gf3 Nh5 21.Ne2 Rad8 22.Kg2 Rd1 23.Rd1 Rd8 24.Rg1?? e6?? 25.Qc2 Qe7 26.a3 Qh4 27.b5? Nf4–+ 28.Nf4 Qf4 29.bc6?? Rd2 (29...Rd2 30.Qd2 Qd2 31.Kg3 bc6–+) 0–1. elsh1403 – predator65 (1665), kurnik, 2011.

9.Bf3 Nbd7

10.a4 e6 11.Qe2 a6 12.c4 Nb6 13.c5 Nc4 14.Bd4 e5 15.fe5 Nd7 16.d3 Nce5 17.Nd2 Nf3 18.Nf3 Bd4 19.Nd4 Qe7 20.Rae1 Rae8 21.Nf3 Ne5 22.Qb2?? Nf3?? 23.Rf3+= Qe5 24.d4 Qe4 25.Qf2 Re7 26.Rf4 Qd3 27.h4 Rfe8 28.Rf3 Qe4 29.h5 Qg4 30.hg6 hg6 31.Rh3 Kg7 32.Rf1 Qg5 33.Rg3 Qh5?? 34.Qf6+- Kg8 35.Rh3 Qh3 36.gh3 Rd7 37.Rf3 Re4 38.Kf2 Rde7 39.Kg3 R4e6 40.Qg5 Re4 41.h4 R4e6 42.h5 Kg7 43.h6 Kh7 44.Kg4 f5 45.Kg3 Re4 46.Kf2 R4e6 47.Qg3 Re4 48.Qb8 R4e6 49.Qf8 Re4 50.Rf4 (50.Rf4 Re3 51.Rf3+-) 1–0. elsh1403 – dzem2010 (1765), kurnik, 2012.

10.d3 Qc7 11.Nd2 e5 12.fe5 Ne5 13.Rc1 Rae8 14.e4 (better is 14.Bd4!?=) 14...Nf3 15.Nf3 de4 16.de4 Ne4 17.Bg7 Kg7 18.Qd4 Kg8 19.Rce1 (better is 19.Rfe1!? f5 20.Rcd1-/+) 19...Ng3–+ 20.Re8 Re8 21.Rf2 Ne2 22.Re2 Re2 23.Qc4 Qb6 24.Kh2 (24.Nd4 Rd2 25.c3–+) 24...Qf2 25.Nh4 Re8 26.Nf3 Qe3 27.a4 Qe4 28.Qc5 b6 29.Qf2 h5 30.b5 cb5 31.ab5 Qf4 32.g3 Qc4 33.Nd4 Re4 34.c3 Qc3 35.Nc6 Qe3 36.Qf1 Qe2 37.Qe2 Re2 38.Kg1 Ra2 39.g4 hg4 40.hg4 a6 41.ba6 Ra6 42.Nb4 Ra1 43.Kf2 b5 44.Ke3 Ra4 45.Nd5 b4 46.Kd3 b3 47.Kc3 Ra5 48.Nf6 Kg7 49.Ne4 Rb5 50.Kb2 f5 51.gf5 gf5 52.Nd6 Rd5 53.Nc4 f4 54.Kb3 f3 55.Ne3 Rd3 (55...Rd3 56.Kb4 Re3 57.Kc4 f2 58.Kb5 f1Q 59.Kc5 Qf5 60.Kb4 Re4 61.Kc3 Qf3 62.Kd2 Re2 63.Kc1 Qf1#) 0–1. elsh1403 – bebi52 (1740), kurnik, 2012.

10.d3 Qc7 11.Nd2 e5 12.fe5 Ne5 13.Be2 Rae8 14.e4 (better is 14.a3!?=) 14...de4-/+ 15.Ne4 Ne4 16.de4 Rd8 17.Qc1 Qb6 18.Kh1 Qb4 19.Rb1 (19.Ba3 Qe4 20.Bf8 Rf8=+ (< 20...Qe2 21.Bg7 Kg7 22.Re1+=)) 19...Qa4 (19...Qd2 20.Bd3 Qc1 21.Bc1–+ (21.Rbc1? Nd3 22.Bg7 Kg7 23.cd3 Rd3–+)) 20.c4 Qa2 21.Rf2? (21.Qc3!? Qa6 22.Ra1=+) 21...Qa6 22.Qf1 Rd2 23.Be5 Be5 24.c5 Qa2 25.Rf7 Rf7 26.Bc4 Rdf2 27.Ba2= Rf1?? 28.Rf1+- Bf6 29.Rf6 Kg7 30.Rf7 (30.Rf7 Kh6 31.e5 Kg5 32.e6 Kh5 33.e7 Kh4 34.e8Q h6 35.Qe4 Kg5 36.Qg4; 30.Bf7?! Kf6 31.Bg8 h6+/–) 1–0. elsh1403 – moniek46 (1610), kurnik, 2011.

10.d3 e6 11.Nd2 Re8 12.c4 dc4 13.Nc4 Nb6 14.Ne5 Nfd7 15.Rb1 Ne5 16.fe5 Qc7 (better is 16...Qg5!?=) 17.d4+= Nd5 18.Qd2 Bh6 19.Rbe1 Qb6 20.a3 a5 21.Bd5 cd5 22.Qf2 Rf8 23.Rb1 ab4 24.Bc3 b3 25.Bb4+= Qc7 26.Bf8 Bf8 27.Rb3 Ra3 28.Ra3 Ba3 29.Qa2 Bf8 30.Qb2 Bh6 31.Kf2 Qc4 32.Rc1 Qd3 33.Re1 b5 34.Qa2 b4 35.Qe2 Qc3 36.Qa2 b3 37.Qa8 Kg7 38.Qa1?? b2 39.Qb1= f6 40.Re2 fe5 41.Qb2 Qb2?? 42.Rb2+/– ed4 43.ed4 Kf6 44.Rb6 Bf4 45.g3 Bc7 46.Rc6 Bb8 47.Kf3 Ba7 48.g4?? Bd4=+ 0–1. elsh1403 – wygram64 (1605), kurnik, 2011.

10.d3 Ne8 11.Nd2?? (better is 11.Bg7 Ng7 12.Qe1=) 11…Bb2–+ (11...Bb2 12.Rb1 Bc3–+) 0–1. elsh1403 – predator65 (1740), kurnik, 2012.

10.Bd4 a5 11.b5 cb5=.

10.g4 a5 11.g5 Nh5 12.Bg7 Ng7 13.b5=.

10.g4 Re8 11.g5 (11.Qe1 Qb6 12.a3 a5=) 11...Ne4 (11...Nh5 12.Bg7 Ng7 13.d4=) 12.Bg7 Kg7 13.Be4 de4 14.Nc3 f5 15.b5 (15.d4 Nb6=) 15...cb5=+ 16.Nb5 a6 17.Nc3 Rc8 (17...e5 18.Qe1=+) 18.Rb1 b5 19.h4 (19.a4 ba4 20.Na4 e5=+) 19...e5 (19...Nb6 20.Qe2-/+) 20.Nd5 (20.a4 ba4 21.Na4 ef4 22.Rf4 Ne5-/+) 20...ef4 21.Nf4 Qc7 22.Rb2 Ne5 23.c3 Nf3 24.Kf2 Nh4–+ 25.Rh1 Nf3 26.Rh6 Ng5 27.Qh1 Rh8 28.Qh4 Nf3 29.d4?? (29.d4 Nh4 30.Rh4 Qc3 31.Re2–+; better is 29.Ne6 Kg8 30.Nc7 Nh4 31.Na6-/+). Pereira,Stephen – Bate,Gene, corr ICCF EM/C/A014, 1998.

7.0-0 Nbd7

8.Na3 c5 9.bc5 Nc5 10.c4 dc4 11.Nc4 Rc8 12.Nfe5 Be2 13.Qe2 b5 14.Na3 a6 15.Rac1 Qd5 16.Bd4 Ne6 17.Nc2 Qa2 18.Nb4 Nd4 19.ed4 (19.Na2?? Ne2 20.Kf2 Nc1 21.Rc1 Nd5–+) 19...Qe6 20.Ra1 Qd6 21.Na6 Qd4 22.Kh1 Nd5 23.Qb5 Nf4 (23...Qd2?! 24.Rad1 Nc3 25.Rd2 Nb5 26.Nb4-/+) 24.Nc6 (24.Nf3 Qa1 25.Ra1 Ba1–+) 24...Qe4 (24...Qd2!? 25.Ne7 Kh8 26.Qb7–+) 25.Rf4 Qf4 26.Rf1? (better is 26.Ne7 Kh8 27.Rf1–+) 26...Qd6 27.Nab4 Bf6 28.Qc4 (28.d3 Rc7–+) 28...Kg7 (better is 28...Rc7!? 29.Qb5–+) 29.d4 h5 30.d5 Ra8 31.Nd3 Ra3 32.Nd4 Qa6 (32...Qa6 33.Qa6 Ra6–+) 0–1. Faraoni,Enrico (2195) – Podini,Francesco (2010), Corsico op, 1997. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Na3 c6 9.c4 Qb6 10.Qb3 a5 11.b5 Nc5 12.Qd1 cb5 13.Nb5 dc4 14.Bc4 Rac8 15.a4 Be6 16.Ba2 (16.Ne5 Bc4 17.Nc4 Qa6=) 16...Rfd8 17.Be6 Qe6 (< 17...fe6 18.Bd4+=) 18.Nbd4 Qa6 19.Nb3 Nd5 20.Nc5 Rc5 21.Qb1 Bb2 22.Qb2 ½–½. Trofimov,Vladimir Markovi – Galvez,Ricardo, corr ICCF EM/J50/P081 ICCF Email, 2001.

8.Na3 c6 9.c4 e6 10.h3 Bf3 11.Bf3 Qe7 12.b5 Ne4 13.Bg7 Kg7 14.bc6 bc6 15.cd5 cd5 16.Nb5 Qb4 17.Rb1? (better is 17.Be4!? Qb5 18.Bc2=) 17...Qd2-/+ 18.Be4 Qe3 19.Kh1 Qe4 20.Nd6 Qe3 21.Rb7 Nf6 22.f5? (22.Qe1 d4–+) 22...Qe5 23.fg6? hg6 24.Qf3 Rad8 25.Nb5 a6 26.Na7 Rd7 27.Nc6 Qf5 28.Qe2 Rb7 29.Rf5 ef5 30.Qa6 Rb1 31.Kh2 Re8 32.Qa7 f4 33.Ne7 Ng4! (33...Ng4 34.hg4 Rh8) 0–1. Larsen,Bent – Udovcic,Mijo, Sarajevo, 1960.

8.a4 a5 9.b5=.

8.a4 c6 9.Na3 (9.Nc3 Bf3 10.Rf3 a5=) 9...Qc7 (9...a5 10.b5=+) 10.c4 Bf3 (10...e6 11.Qc2=+) 11.Bf3= e5 12.g3 (12.Qc2 Rfc8=) 12...Rfe8 Black plans e4 (12...a5!? 13.b5 ef4 14.gf4 Rfc8=) 13.cd5= Nd5 14.Nb5 cb5 (14...Qb6 15.Bd5 cd5 16.Qb3=) 15.Bd5 Nb6 16.Ba2 e4 (16...ef4 17.Rc1 Qd6 18.Bg7 Kg7 19.Rf4+-) 17.Bg7+- Kg7 18.f5 f6 (18...ba4? 19.fg6 fg6 20.Rc1+-) 19.ab5 Qd6 (19...Qd7 20.Be6 Qb5 21.Qc2 Qb4 22.Rf4+-) 20.Qb3 (20.Be6 Qb4 21.Rf4 g5+-) 20...Re7+= (20...Qd2? 21.Rad1 Qe2 22.Rde1+-) 21.Rf2 (21.Qb2 Re5+=) 21...Rc8 22.fg6 (22.Qb2 Nc4 23.Bc4 Rc4 24.fg6 Rb4=) 22...hg6= 23.Raf1 Rf8? (23...Nd7!?=) 24.Qc3 (better 24.Rf6! Rf6 25.Qg8 Kh6 26.Qh8 Rh7 27.Qf6 Qf6 28.Rf6+-) 24...Re5 25.Bb1 (25.Rf4 g5 26.Rf5 Nd7+-) 25...Rc8 (25...Qe7!?=) 26.Qa1+= Nc4? Attacking the backward pawn on d2 (better 26...f5!?+=) 27.Rf6+- Qf6?? (better 27...Qd2 28.R6f2 Qd6 (28...Qe3? 29.Ba2 Kh7 30.Bc4+-) 29.Be4 Ne3+-) 28.Rf6 Kf6 29.Qd4 Na3 (29...Nb6 30.Be4 Ke6 31.Bg6 Rb5 32.e4+-) 30.Be4 (30.Ba2 Rce8 31.Qa7 Nb5 32.Qb7 Nd6+-) 30...Nb5 31.Qd3 Ke6 (31...b6+-) 32.Bb7 (32.Bb7 Rc1 33.Kg2+-) 1–0. Fedoseev,Vladimir (2665) – Tregubov,Pavel V (2585), Russian Championship Rapid, 2016. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Nc3 a5 9.a3 Nb6 10.Ne5 Be2 (10...ab4 11.ab4 Ra1 12.Ba1 Be2 13.Qe2=) 11.Qe2 Nfd7 (11...e6 12.b5=) 12.Nd3 (12.Nb5 Ne5 13.Be5 Be5 14.fe5 c6=) 12...Nc4 13.b5 (13.Na4 Nf6=+) 13...c6=+ 14.Ra2 Nb2 15.Nb2 Bc3 (15...e6 16.Nbd1=+) 16.dc3 Qc7 17.bc6 Qc6 (17...bc6 18.c4=) 18.c4= Nb6 19.cd5 Nd5 20.Nd1 Rfd8 21.f5 Rac8 22.Rb2 (22.fg6 hg6 23.Qe1 b6=+) 22...b6 23.fg6 hg6 24.e4 (24.Qf2 Nf6=+) 24...Nc3 25.Nc3 Qc3 26.Rb3 Qc2 27.Qf3 Qc4 28.h3 (28.a4 f6-/+) 28...Rd2 29.Rbb1 (29.e5 Qe6-/+) 29...Qe6 30.Rbc1 (30.Rfd1 Rd1 31.Rd1 Rc4-/+) 30...Rc1 (30...Rcd8 31.Rce1-/+) 31.Rc1 Rd4 32.Re1 b5 33.Qe3 Qe5 34.Qc3 (34.Kh1 Rc4 35.Qd3 Kg7–+) 34...b4 35.ab4 ab4 36.Qe3 Rc4 37.Kh1 Qc3 38.Qf2 b3 39.Rf1 f6 40.Qa7 Kf7 0–1. Migliorini,Roberto – Raetz,Werner, SEMI The Climb MUL/0/85, 2001. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Nc3 a5 9.b5 a4 10.a3 e6 11.Qe1 Ne4 12.d3 Nd6 13.Rb1 Qe7 14.Nd1 Bb2 15.Rb2 Rfc8 16.Nd4 Be2 17.Qe2 c5 18.bc6 bc6 19.Nc3 Qf6 20.Rfb1 Qe7 21.Qe1 h6 22.Nf3 e5 23.Qd2 Re8 24.Rb4 f5 25.fe5 Ne5 26.Ne5 Qe5 27.Re1 g5 28.d4 ½–½. Goncalves,Claudio Javier (1915) – Molo,Rene Angel (2300), CADAP XX Zonal Etapa Semifinal – Grupo, 2006.

8.Nc3 a5 9.b5 Ne4=.

8.Nc3 c5 9.a3 c4=.

8.c4 c6 9.Na3 e6 10.Ne5 Be2 11.Qe2 Qe7 12.Nd7 Qd7 13.Rab1 Rfd8 14.Rfc1 (14.Bf6 Bf6 15.d4 a5 16.cd5 ed5=) 14...a5 (14...dc4 15.Nc4 b5 16.Na5 Qd2 17.Rc2 Qe2 18.Re2-/+) 15.b5= Rac8 16.c5 Qe7 17.bc6 bc6 18.Bf6 Qf6 19.d4 Rb8 20.Rb6 (20.Qa6 g5 21.Rf1 Qg6 22.Qa5 Ra8=) 20...Rb6= 21.cb6 Qe7 22.Rc6 (better is 22.Qd3!? Rb8 23.Rc6=) 22...Qa3-/+ 23.b7 Qf8 24.Kf2 Bf6 25.Qa6 Qa3 26.Qb5?? (better is 26.Rc8 Qa2 27.Kf3+/–) 26...Qa2-/+ 27.Ke1 Qa1 28.Ke2 Qa2 29.Kd1 Qg2 30.Rc8 Qg1 31.Kd2 Qh2 32.Qe2 Qh4 33.Rd8 Bd8 34.b8Q Kg7 35.Qg2 f5 36.Kd3 1–0. Fagerbekk,Egil (2050) – Nilson,Bjoern Lund (2060), NM i hurtigserversjakk, 2007.

8.c4 c6 9.a4 e6 10.Na3 Qe7 11.Nc2 dc4 12.Bc4 Rfd8 13.Be2 Bf3 14.Rf3 e5 15.f5 (15.fe5!? Ne5 16.Be5 Qe5 17.d4=) 15...e4 16.Rf1 Ne5 17.fg6 hg6 18.Ra2 Nd5 19.Be5 (19.b5 Rac8+=) 19...Qe5 (19...Be5 20.Bc4 Qh4 21.h3–+) 20.Qe1 Rd7 21.Bc4 Rad8 22.Rf2 Nf6 23.b5 c5 24.Qe2 (better is 24.a5!?+=) 24...Rd2–+ 25.Qd2 Rd2 26.Rd2 Ng4 (better is 26...Qc3 27.Rd8 Bf8 28.Bf7 Kf7–+) 27.g3 Qc3 28.Rd8 Kh7 29.Bb3 c4 (29...c4 30.Bc4 Qc4–+) 0–1. Bialas,T – Taylor,PM, WT/M 435, 1990. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.c4 c6 9.cd5 Nd5 10.Bg7 Kg7=.

8.c4 e6 9.Qb3 c6 10.h3 Bf3 11.Bf3 Re8 12.d4 dc4 13.Qc4 Nd5 14.Bd5 (14.Re1!?=) 14...ed5-/+ 15.Qb3 Qc7 16.Nd2 Nf6 17.Rac1 Re7 18.Nf3 Rd8 (18...Rae8 19.Rfe1 Qb6 20.Ba3+=) 19.Ne5 (19.b5 Re6=) 19...Ne4-/+ 20.Qd3 Ng3 (20...f6 21.Nf3-/+) 21.Rf3+= Nf5 22.b5 f6 23.Nc6? (better is 23.Ng4+=) 23...bc6–+ 24.bc6 Ne3?? (better is 24...Re6–+) 25.Qb5?? (better is 25.Re3 Rf7 26.Qe2+/–) 25...Rb8–+ 26.Qc5 Rd8 27.Ba3?? Re6–+ 28.Bb4 Bf8 29.Qa5 Qa5 30.Ba5 Rc8 31.Re1-/+ Rec6 32.Rfe3 Ra6 33.Rc3? Rc3 34.Bc3 Ra2 35.Re8-/+ Kf7 36.Rd8 Ra3?? 37.Rf8!+- Kf8 38.Bb4 (38.Bb4 Kg7 39.Ba3+-) 1–0. Colo,Vittorio – Loschi, Italy ch–7 year?, 1985. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Qe1 c6 9.Qh4 a5 10.b5 a4 11.Na3 e6 12.bc6 bc6 13.Rab1 Rb8 14.Be5 Rb1 15.Nb1 Bf3 16.gf3 Qa5 17.Nc3 Ne8 18.Bg7 Ng7 19.Qe7 Nc5 20.Qd6 Rc8 21.Bd3 Qa7 22.Rb1 Nd3 23.cd3 Nf5 24.Qe5 a3 25.Rb3 Qe7 26.Rb8 Rf8 27.Rf8 Qf8 28.e4 Ng7 29.Qc7 Qc5 30.Kf1 Nh5 31.f5 ef5 32.ed5 Qd4 33.dc6 Qd3 34.Ke1 Qf3 35.Qd8 Kg7 36.Qd4 f6 37.Qa7 Kg8 38.c7 (worse is 38.Qa3 Qh1 39.Ke2 Qc6-/+) 38...Qh1 39.Ke2 Nf4 (39...Qh2?? 40.Kd1 Qh1 41.Kc2+-) 40.Ke3 Qe1 41.Kf4 Qd2 42.Kf3 Qc3 43.Kg2 Qc2 44.Kh3 Qd3 45.Kg2= Qe4 46.Kf2 Qf4 47.Kg2 Qe4 48.Kf2 Qc2 49.Kf3 Qd3 50.Kf2 Qc2 51.Kf3 Qc3 52.Kg2 Qd2 53.Kf3 Qd5 54.Ke3 Qe4 55.Kd2 Qb4 56.Kd3 Qb1 57.Kc3 Qb2 58.Kd3 Qb1 59.Kc3 Qb2 60.Kd3 Qb1 61.Kc3 ½–½. Babionyshev,Vladimir (2225) – Vysochin,Spartak (2550), Kiev–ch, 2003. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Qe1 e6 9.a4 Ne4 10.Bg7 Kg7 11.d3 Qf6 12.Ra2 Bf3 13.Bf3 Nd6 14.g4 h6 15.h4 c6 16.g5 hg5 17.hg5 Qe7 18.c4 f6 19.cd5 (19.gf6 Nf6 20.c5 Nf5+=) 19...ed5 20.gf6 Nf6 21.Rg2 (21.e4 de4 22.de4 Nfe4 23.Nc3-/+) 21...Rae8-/+ 22.Kf2 Nf5 23.Rfg1 Qe3 (23...Rh8 24.Rg6 Kf7 25.R1g5+=) 24.Qe3= Re3 25.Rg6 Kf7 26.R6g5 Ke6 27.Rf5 Rf3 28.Kf3 Kf5 29.Rg7 Rh8 30.Rb7 Rh3 31.Ke2 Kf4 32.Rf7 (worse is 32.Ra7 Rh2 33.Kd1 Ke3-/+) 32...Ke5 33.Nd2 Rh2 34.Kd1 Rf2 35.Ra7 (35.Nb3!?+=) 35...Kd4+= 36.Ke1 Ng4 37.Rg7 Kd3 38.Rg4 Re2 39.Kd1 Rd2 40.Kc1 Ra2 41.b5 cb5 42.ab5 d4 43.b6 Rc2 44.Kd1 Rb2 45.Rg3 Kc4 46.Rg6 Kc3 47.Rc6 Kd3 48.Kc1 Rb5 49.Re6 Rc5 50.Kb2 Rb5 51.Kc1 Rb3 52.Rh6 Rb4 53.Rg6 Rc4 ½–½. Babionyshev,Vladimir (2315) – Perun,Sergey (2375), Kiev–ch, 1998. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7)

8.Ne5 Be2 9.Qe2 Ne4 10.d3 Nd6 11.Nd2 f6 12.Ng4 Re8 13.Nf3 c5 14.a3 Rc8 15.Rac1 Qb6 16.c4 cb4 (16...dc4!? 17.dc4 cb4-/+) 17.cd5= ba3 18.Bd4 Qa6 19.Ra1 Nf5 20.Rfb1 h5 21.Nf2 Nd4 22.Nd4 Rc3?? (22...f5 23.Rb3=) 23.Ne6 Rec8= 24.Qa2 Kh7 25.Ng7 Kg7 26.h3 Nc5 27.d4 Nd3 28.Nd3 Qd3 29.Re1?? b5 30.d6 ed6 31.Qe6 R3c6 32.Qe7 Kh6 33.Qf6 R8c7 34.e4 Rc4 35.f5?? Qd4–+ 36.Qd4 Rd4 37.f6? Rf7 38.Ra3 b4 39.Rf3 a5 40.e5 de5 41.Re5 Rd6 42.Ra5 Rff6 43.Rb5 Rf3 44.gf3 Rd4 45.Kf2 Kg7 46.Ke3 Rh4 47.f4? Rh3 48.Kd4 Rb3 49.Kc4 Rb1 50.Rb4 Rb4 51.Kb4 Kf6 52.Kc3 Kf5 53.Kd3 Kf4 54.Ke2 Kg3 55.Kf1 Kf3 56.Kg1 g5 57.Kh2 g4 (57...g4 58.Kg1 g3 59.Kf1 g2 60.Ke1 Ke3 61.Kd1 Kd3 62.Kc1 g1Q 63.Kb2 Qb6 64.Kc1 h4 65.Kd1 Qg1#) 0–1. elsh1403 – marcin228 (1630), kurnik, 2012.

8.c4 dc4

9.Na3 c3 10.Bc3 c5 11.bc5 Nc5 12.Nc4 Rc8 13.Bd4 Ne6 14.Ba7 Bf3 15.Rf3 b5 16.Bb6 Qd5 17.Ne5 Rb8 18.Ba5 b4 19.Nc4 Rfc8 20.Rc1 Rc4 21.Bc4 Qa5 22.Be6 fe6 23.Qb3 Qd5 24.d3 Qb3 25.ab3 Nd5 26.Rc4 Bc3 27.g4 Ra8 28.e4 Nf6 29.g5 Ne8 30.Rc6 Nd6 31.Kg2 Ra2 32.Kh1 Ra7 33.Rf1 Ra3 34.Rb1 Kf7 35.Rb6 Ra2 36.Rf1 Rb2–+ 37.Rb8 Rb3 38.Kg2 Bd4 39.Rc1 e5 40.fe5 Be5 41.Rb6 Rb2 42.Kf3 Bd4 43.Rb8 Ke6 44.Rc6 b3 45.Ra6 Rf2 46.Kg3 Ra2 47.Rab6 Bb6 48.Rb6 b2 49.h4 Ke5 50.Rb4 Nf7 51.Kf3 Kd6 52.Ke3 Kc5 53.Rb3 e5 54.Kf3 Nd6 0–1. Kaminski,Janusz – Morgan,Stephen (1970), corr WS/O/204 ICCF, 2008.

9.Na3 Nd5 10.Bg7 Kg7 11.Nc4 Nb4 12.Qb3+=.

9.Bc4 Nb6 10.Be2 Qd6=+.

9.Na3 c5

10.bc5 c3 11.Bc3 Nc5 12.Nc4 Rc8 13.Bd4 b6 14.a4 Qd5 15.Nce5 Nb3 16.Bc4 Rc4 17.Qb3 Rc5 18.Qd5 Rd5 19.Nc6 Rd7 20.Nfe5 Rc7 21.a5 ba5 (21...Rfc8 22.ab6 ab6 23.Na7+=) 22.Ra5+/– (22.Ng4?! Ng4 23.Ne5 Ne5 24.fe5 f6 25.Ra5 fe5 26.Rf8 Kf8 27.Ba7 e4=) 22...Bf5 23.Ra7 Ra7 24.Ba7 Re8 25.Bc5 Bf8 (25...Kf8 26.Ne7 Re7 27.Ra1+- (27.Be7?! Ke7 28.Ra1 Nd7+=)) 26.Ra1 (26.d3 Nd7 27.Nd7 Bd7+/–) 26...Nd7 (26...Ne4 27.d4+/–) 27.Nd7+- Bd7 28.Ne5 Bg7 (28...Bf5!?+/–) 29.Ra7+- Be5 30.fe5 (30.fe5 Rc8 31.Be7+- (31.Rd7?! Rc5 32.d4 Rc1 33.Kf2 Kf8+-)) 1–0. Larsen,Bent – Deli,Petr, It, Moscow (Russia), 1962. (=1.f4 Nf6 2.Nf3 d5 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7 8.c4 dc4 9.Na3 c5)

10.bc5 c3 11.Bc3 Nc5 12.h3 Bf5 13.d4 (13.Bf6 Bf6 14.d4 Ne4=) 13...Nd5 14.Bd2 Ne4 15.Ng5?? (better is 15.Rc1+=) 15...Nd2–+ 16.Qd2 Ne3! 17.Rfd1 (17.Qe3 Bd4 Double attack (17...Bd4 Decoy)) 17...Nd1 18.Rd1 h6 19.Nf3 Be4 20.Qe3 Bd5 0–1. Ziegert,Andreas – Fomin,Vladimir A, ICCF World Cup8–9 prel–158, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7 8.c4 dc4)

10.bc5 Nc5 11.Nc4 Rc8 12.Nce5 Be6 13.Rc1 h6 14.Bc4 Bc4 15.Rc4 (< 15.Nc4 Nd3 16.Bf6 Bf6-/+ (16...ef6?! 17.Rc2=+)) 15...Qd5 16.Ba3 Ne6 17.Ra4 Rc7 (17...Qa2? 18.Be7 (18.Ra7?! Rc7=) 18...Qd5 19.Bf8 Rf8 20.Ra7 Nf4 21.d4+-) 18.Ra7 Qa2 19.Qb1 Qb1 20.Rb1 Rb8 21.Be7 Re7 22.Nc6 bc6 23.Rb8 Re8 24.Re8 Ne8 25.Ra6 c5 26.g4 Kf8 27.f5 gf5 28.gf5 Nd8 29.e4 Bb2 30.Rb6 Bd4 31.Nd4 cd4 32.Rh6 f6 33.Rh8 Ke7 34.Rg8 Nc6 35.Kf2 Ne5 36.Rg3 d3 37.Ke3 Nd6 38.Rg2 Kf7 39.Kd4 Nf3 40.Kd5 Ke7 41.Rg3 Ne5 42.h4 Ndf7 43.Kd4 Nh6 ½–½. Jan,Philippe (2195) – Schumacher,Frank (2090), Ernst Nielsen Memorial, 2009.

10.bc5 Nc5 11.Nc4 Nd3 12.Ba3 b5 13.Nce5 Ne5 14.Ne5 Be2 15.Qe2 Re8 16.Nc6 Qb6 17.Rac1 e6 18.Bb2 Nd5 19.Bg7 Kg7 20.Nd4 a6 21.Qd3 Red8 22.Rc6 Qa5 23.Qc2 Kg8 24.Rc5 Ne7 25.Rc1 Rac8 26.Qb2 Rc5 27.Rc5 Qb6 28.Qc1 Rd5 29.Nb3 Rc5 30.Qc5 ½–½. Hess,Helmut (2355) – Raijmaekers,Rene C. H (2370), corr WS/M/032 ICCF, 2005.

10.bc5 Nc5 11.Nc4 Nd3 12.Qb3 Nb2 13.Qb2=.

10.bc5 Nc5 11.Nc4 Nd3 12.Bc3 Rc8 13.Bd3 Qd3 14.Nce5 Bf3 15.gf3 (15.Rf3 Qd5=) 15...Qd6+= 16.Rb1 Nd5 17.Bd4? (better is 17.Rb7 Nc3 18.dc3 Be5 19.fe5 Qe5 20.Qd4 Qg5 21.Kf2+=) 17...Nf4!–+ 18.Ba7 18...Nh3 19.Kg2 Be5 20.Kh3 Ra8 21.f4 Ra7 22.fe5-/+ Qe5 23.Qb3 Ra5 24.Qb7 Ra2 25.Rf2 Rd2!! (25...Rd2 26.Qf3 Qe6 27.Kg3 Rd5–+) 0–1. Daum,Gernot – Riebel,Bernd, ICCF World Cup6–7 sf27, 1990. (=1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Bg4 7.0-0 Nbd7 8.c4 dc4 9.Na3 c5)

5.Nf3 d6

6.Na3 a6!?-/+.

6.Na3 b6 7.Be2+= c5 8.bc5 bc5 9.0-0 Nc6 10.Qe1 (10.Nc4 Rb8+=) 10...Rb8+= 11.Rb1 Be6 12.Nc4 (12.Bc4 Qa5 13.d3 d5 14.Qa5 Na5+=) 12...Rb4 13.Bf6 (13.d3 Qd7-/+) 13...Bf6-/+ (worse is 13...Bc4 14.Bg7 Kg7 15.Rb4 Be2 16.Rb1 Bf1 17.Qf1=) 14.Rb4 Nb4 (14...cb4 15.Ng5 d5 16.Ne6 fe6 17.Ne5 Ne5 18.fe5 Be5 19.d4 Rf1 20.Qf1-/+) 15.c3+= Nc6 (worse is 15...Na2 16.Qb1 d5 17.Qa2 dc4 18.e4+=) 16.h4 (16.e4 d5 17.f5 gf5 (17...dc4?! 18.fe6 fe6 19.Bc4=) 18.ef5 Bf5-/+ (18...dc4? 19.fe6 Qd5 20.Qg3 Kh8 21.ef7+-)) 16...Na5-/+ 17.Na5 Qa5 18.Qg3 (18.Qb1!?-/+) 18...Qa2–+ 19.e4 (better is 19.Bd3–+) 19...Bc4 (better is 19...Bc3 20.dc3 Qe2–+) 20.Bc4+= Qc4 21.e5 de5 22.fe5 Bg7 23.Ra1 a6 24.h5 Rd8 (24...gh5 25.Qg5 Qe6 26.Qh5+=) 25.Qh3 (25.Qg5 f6 26.ef6 ef6=) 25...Qd3 (25...gh5 26.Qh5 Qe6 27.Qh3+=) 26.Ra5 (better is 26.Qh4!?=) 26...Bh6 27.hg6 Qg6 28.Ra4 Qb1 (better is 28...Kh8!?+=) 29.Kh2= Bg7 (29...Bd2? 30.Nd2 Qd3 31.Nf3+-) 30.Ra6 Qe4 31.Qg3 e6 (31...Kf8 32.Qg5=) 32.Ra7 (32.Qg5 Rd7+=) 32...h6= 33.Rc7 c4 34.Kh3 Rd3 35.Qg4 (35.Rc5 Rd5 36.Rd5 Qd5=) 35...Qe5 36.Rc4 (36.Qc4?? Qh5 37.Kg3 Be5 38.Kf2 Rf3 (38...Bc7?! 39.Qd3 Qg4 40.Qd4 Bg3 41.Ke3=) 39.gf3 Qh2 40.Ke3 Bc7 41.Qg4 Kf8–+) 36...Qb8 37.Rb4 Qc7 38.Rb5 Kf8 39.Qb4 Kg8 40.Qe4 Rd8 41.Rb7 Qd6 42.c4 Rc8 43.Ra7 Qc5 44.Ra8 Ra8 45.Qa8 Bf8 46.Qe4 Be7 47.Qf4 Bg5 (47...Bd6 48.Qd4=) 48.Qb8 Kh7 49.Qb5 Qc8 (49...Qd6 50.d4+=) 50.c5+= e5 51.g4 (51.Kh2 Qg4 52.Ng5 hg5 (52...Qg5 53.Qc4 f5 54.Qf7 Kh8 55.Qe8 Kg7 56.Qe5 Kf7 57.d4+-) 53.Qd3 Kg7+=) 51...Bf4= 52.c6 h5 53.Qd3 (53.Ne5 Be5 54.Qe5 hg4 55.Kg3 Qc6 56.Qh5 Kg7 57.Qg4 Kf6 58.Qf4 Ke6 59.Qe3 Kf5 60.Qf2 Kg6=) 53...Kh8 (better is 53...Kg7!? 54.Kg2 hg4–+) 54.Qd7= hg4 (54...Qa6 55.d3 (worse is 55.gh5 Qf1 56.Kg4 Qg2 57.Kf5 Qf3–+) 55...Qa1 56.Kg2 Qa2 57.Kf1+=) 55.Kh4 (55.Kg4?? Qg8 56.Ng5 Qg5 (56...Bg5?! 57.c7 Bd8 58.Kf3 Bc7 59.Qc7-/+) 57.Kf3 Kg7–+) 55...Qg8 (55...Qf8 A) 56.Kg4? Qg7 57.Ng5 Qg5 (57...Bg5 58.Kf3 Qf6 59.Ke2–+) 58.Kf3 Kg7–+; B) 56.Qg4 Qd6 57.Qf5=) 56.Qg4 Qd8 (better is 56...Qe8 57.Qh5 Kg7+=) 57.Kh5?? (better is 57.Kh3 Qb8 58.Ng5 Bg5 59.Qh5 Kg7 60.Qg5 Kf8 61.Qf6 Qb3 62.Kg4 Qc4 63.Kg5=) 57...Qf6–+ 58.Qc8 Kh7 59.c7 (59.Kg4 Qg6 60.Ng5 Qg5 61.Kf3 Qg3 62.Ke4 Qg2 63.Kd3 Qd5 64.Kc2 Qd2 65.Kb3 Qd5 66.Kc3–+) 59...Qg6 60.Kh4 Qg3 61.Kh5 Qf3 62.Qg4 Qh1 63.Qh4 Qc6 64.Kg4 Kg7 65.Qd8 (65.Qh5 Qc7 66.Qf5–+) 65...Qg2 (65...f5 66.Kf5 Qg6) 66.Kh5 (66.Kh4 Qg3 67.Kh5 Qh3 68.Qh4 Qf5 69.Qg5 Qg5) 66...Qh3 (66...Qh3 67.Qh4 Qf5 68.Qg5 Qg5) 0–1. Larsen,Bent – De Greif,Boris, Portoroz Interzonal, 1958. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Na3 Nbd7 7.Be2= e5 8.fe5 Ng4 (8...de5 9.Ne5 (worse is 9.Be5 Ne5 10.Ne5 Nd5-/+) 9...Ne4 10.Nac4=) 9.Nc4 (9.0-0 Nge5 10.Ne5 de5+=) 9...de5 (9...Nde5 10.Nfe5 Ne5 11.Ne5 de5 12.0-0=) 10.0-0 Qe7 11.Bc3 b6 12.a4 Bb7 13.Qe1 h5 (13...c5 14.b5+=) 14.Qg3 Pawn e5, live or die! 14...f5 15.h3 f4 16.Qe1 Nh6 (16...e4 17.Nh4 Bc3 18.Ng6+/–) 17.Nh4 (17.ef4 Rf4 18.Nfe5 Re4+/–) 17...Bf6? (17...Qe6 18.ef4 ef4 19.Bg7 Kg7 20.Qf2+=) 18.Ng6 Qg7 19.Bh5 Bd5?? (better is 19...Be4 20.ef4 Bg6 21.fe5 Rae8+/–) 20.Qe2+- Rfe8 21.e4 (better is 21.Qd3!? c6 22.Nd6+-) 21...Bf7+/– 22.Nf4 (22.Nce5 Ne5 23.Nf4 Bc4+-) 22...ef4 23.Bf7 Qf7 24.Bf6 Qf6 25.d3 Kh7 (25...c5 26.bc5 Nc5 27.e5+=) 26.Qf3 (26.Rae1 c5+/–) 26...Rf8+= 27.Rae1 Rae8 28.Qh5 (28.b5+=) 28...Qg7 (28...Qc3 29.Re2=) 29.Rf3 (better is 29.Rf4! Rf4 30.Qe8+/–) 29...Ne5 30.Ne5 Re5 31.Qh4 Exerts pressure on the isolated pawn 31...Rg5 32.g4 fg3 33.Qg5?? (better is 33.Rf8 Qf8 34.Rf1-/+) 33...Qg5–+ (33...Rf3?! 34.Qg7 Kg7 35.Re2+=) 34.Rf8 (34.Ree3 Rf3 35.Rf3 Qc1 36.Kg2 Qc2 37.Kg3 Qa4–+) 34...Qd2 (34...Qd2 35.Kf1 Qh2 36.Rf4 g2 37.Ke2 g1Q 38.Kd1 Qgg2 39.Rf7 Nf7 40.Re2 Qe2 41.Kc1 Qc2) 0–1. Keuschnig,Siegfried (2200) – Janetschek,Karl (2320), AUT–ch, 1979. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Na3 e5 7.fe5+= de5 8.Ne5 Ne4 9.Rb1-/+.

6.Na3 e5 7.fe5 Ng4 8.Nc4 b5 9.Na5 a6 10.Be2 c5 11.a3 de5 12.0-0 Qc7 13.g3 c4 14.Qe1 h5 15.Ng5 ½–½. Ivkov,Borislav – Byrne,Donald, Vrsac, 1969. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Na3 e5 7.fe5+= Ng4 8.Nc4= Be6 9.ed6 Bb2 10.dc7 Qc7 11.Nb2 Ne3 12.de3 Qc3 13.Kf2 Qb2 14.Rb1 Qa2 15.Bb5=.

6.Na3 e5 7.fe5+= Ng4 8.Nc4= Re8 9.ed6 Bb2 10.Nb2 Qd6 11.a3 Nc6 (11...Qf6 12.c3=) 12.Be2+= Bf5 (12...Be6 13.0-0+=) 13.0-0 Rad8 14.Nc4 Qe7 15.h3 Nge5 16.Nce5 Ne5 17.Nd4 Bc8 (17...Be4 18.Rf4 Bd5 19.Qf1+/–) 18.Qe1+/– a6 19.Qg3 b6 20.Rf2 c5 21.bc5 Qc5 (21...bc5 22.Nf3+/–) 22.c3 Re7 (22...Bb7 23.h4+/–) 23.h4 h5 24.Bh5 Nd3 25.Bg6! Nf2 (25...fg6 26.Qg6) 26.Bf5 (26.Kf2? fg6 27.Kg1 Rf8–+) 26...Kf8 27.Qf2 Rd4 28.Bc8 (28.ed4?! Qf5 29.Qf5 Bf5=) 28...Ra4 (28...Rd6 29.Bf5+- (29.Ba6 b5-/+)) 29.Qf6 Qe5 (29...Qh5!? 30.g4 (30.Qb6?! Rh4 31.Bh3 Qd5+/–) 30...Qe5 31.Qh6 Qg7 32.Qg7 (32.Qb6?! Rg4 33.Bg4 Qg4 34.Kf2 Qh4 35.Ke2 Qg4 36.Kf2 Qh4 37.Kf3 Qh3 38.Kf4 Qh2 39.Kf3 Qh3 40.Kf4 Qh2 41.Kf3 Qh3=) 32...Kg7 33.Kf2+/–) 30.Qh6+- (30.Qb6 Rh4 31.Qd8 Kg7=) 30...Kg8 31.Rf1 Qg3 (31...Qg7 32.Qb6 Rh4 33.Rf6+-) 32.Qb6 Qh4 33.Ba6 (33.Qd6!? Rc4 34.Rf3 Rc8 35.Rg3 Kh7+-) 33...Kg7 (33...Re6 34.Qb8 Kg7 35.Bb7+/–) 34.Bb5 (34.c4!? Re5 35.Qb2 Qe7+-) 34...Ra3+/– 35.Rf4 Ra1 36.Bf1 Qg5 37.c4 Rd1 (37...Re6 38.Qb7 Rf6 39.Qb2+/–) 38.Qb3 Re1 (38...Ra1 39.Rf3 Rea7 40.Qb8+-) 39.Kf2+- f6?? (better is 39...Ra1+-) 40.Qb4 (40.Ke1?! Qf4 41.Qd3 Qg3 42.Ke2 Ra7+/–) 40...Re5 41.Qb7 (41.Qb7 Kf8 42.Qf3+- (42.Ke1?! Qf4 43.Bd3 Qh4 44.Kd1 Qg4 45.Be2 Qe4 46.Qb4 Kg7+/–); 41.Ke1?! Qf4 42.Qb6 Qh4 43.g3 Qg3 44.Kd1 Qf3 45.Be2 Qe4=) 1–0. Larsen,Bent – Toran Albero,Roman, Hoogovens, 1960. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.b5 Nbd7 7.Be2= e5 8.fe5 Ng4 9.0-0+= Nge5 10.a4?? Nf3–+ 11.Bf3 Bb2 12.Ra2 Bg7 13.d4 Nf6 14.c4 d5 15.cd5 Nd5 16.Qb3 Be6 17.Rd2 Bh6 18.Re1 Ne3 19.d5 Nd5! 20.Rd5 Bd5 21.Bd5 c6! 22.bc6 bc6 23.Bc6 Rb8 24.Qf3 Qb6 25.Kf1 Qb1 26.Rb1 Rb1 27.Kf2 Rfb8 28.Bd5=+ Rf8 29.h4?? a5 30.h5 Bd2?? 31.Kg3?? Rc1 32.Kh2 Bc3 33.Qe3+= Bb2 34.hg6 hg6 35.Qd2?? Be5–+ 36.g3 Rc5 37.Bb3 Kg7 38.Qe3 Rh8 39.Kg2 Bd6?? 40.Qd4+- Re5 41.Qd6 Re2 42.Kf3 Rhh2 43.Qd4 (43.Qd4 f6 44.Bd5+-) 1–0. spblex (2125) – jvanmechelen (2350), net–chess.com, 2009.

6.Qc1 Nbd7 7.c4 e5 (7...c5 8.bc5 Nc5 9.Bf6 Bf6 10.d4+=) 8.fe5= de5 9.Ne5 (9.Be5? Ne5 10.Ne5 Ne4–+) 9...Ne5 10.Be5 Re8 11.Bb2 (11.Bc3 Ne4 12.Bg7 Kg7 13.Qb2 Kg8=) 11...Ne4 (11...a5 12.ba5 Bg4 13.Nc3=) 12.g3 Bb2 13.Qb2 Bg4 14.Rg1 Qg5 15.Nc3 Nd2 16.Kd2?? (16.Qd2 Rad8 17.h4 Re3 18.Ne2 Re2 19.Qe2–+) 16...Qe3–+ 17.Kc2 Qg1 18.Nd5 Qh2 19.Kb3 Qg3 20.Ka4 (20.Qc3 Qf3 21.Nf6 Kf8 22.Nh7 Ke7 23.Re1 Kd8 24.Re8 Ke8 25.Nf6 Ke7 26.Ng4 Qg4 27.Qe5 Qe6 28.Qc7 Qd7 29.Qe5 Kd8 30.Qh8 Kc7 31.Qa8 Qd1 32.Kb2 Qf1 33.c5 Qf6 34.Kb3 Qe6 35.Kb2–+) 20...Re6 21.Nf6 Rf6! (21...Rf6 22.Qf6 Bd7 23.b5 a6–+) 0–1. Grafl,Florian (2390) – Ehlvest,Jaan (2530), London Classic Open, 2016.

6.Qc1 Nbd7 7.Bc4 c5 (7...Nb6 8.Be2 (8.Bb3 a5 9.ba5 Ra5 10.0-0 d5 11.d3 Bf5 12.Qe1 Ra6 13.Nbd2=; 8.Bb5 Nbd5 9.a3 c5 10.Nc3 Be6 11.Ng5 a6 12.Ne6 fe6 13.Bc4=) 8...c5 9.bc5 dc5 10.0-0 Bf5 11.Be5 Rc8 12.Nc3 Nbd7 13.Rb1=; 7...d5 8.Be2 (8.Bb3 c5 9.bc5 Nc5 10.0-0 Bf5 11.Nd4 Qd7 12.Nc3 a5 13.Nf5+=) 8...c5 9.bc5 Nc5 10.0-0 Bf5 11.Nc3 Qd7 12.Nd4 Bg4 13.Bg4=; 7...a5 8.b5 Nb6 9.Be2 d5 10.0-0 Bf5 11.Be5 Nbd7 12.Nd4 Bg4 13.Bg4=) 8.bc5 Nc5 (8...d5 9.Be2 Nc5 10.0-0 Bf5 11.Nd4 Qd7 12.Nc3 Bg4 13.Bg4=) 9.0-0 Bd7 (9...d5 10.Be2 Bg4 11.Be5 Rc8 12.Qb2 Qd7 13.Nc3=) 10.Nc3 Rc8 11.d3 (11.Nd5 e6 12.Nf6 Bf6 13.Rb1=) 11...e6 (11...Bg4 12.Qd2 Nce4 13.Ne4+=) 12.Kh1 (12.Qd2 d5 13.Bb3+=) 12...d5 (12...a6 13.Qd2+=) 13.Bb5? (better is 13.Bb3+=) 13...Bb5–+ 14.Nb5 Nd3! (14...Nd3 15.Bf6 Bf6–+ (15...Nc1?! 16.Bd8 Ba1 17.Rc1-/+)) 0–1. Van Veen,Wout – Waddington,Mike P (2110), Hastings ENG, Open, 2012. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6)

6.Qc1 Nbd7 7.Be2 a5 8.b5 Nc5=.

6.Qc1 Nbd7 7.Be2 d5 8.0-0=.

6.Qc1 Nbd7 7.Be2 Qe8 8.0-0 e5 (8...c5 9.a3=) 9.fe5+= Ne5 10.Ne5 de5 11.c4 (11.a3 a5=) 11...Qe7 12.b5 Re8 13.Nc3 c6 14.Qc2 Bf5 15.Qa4 (15.e4 Be6=) 15...Qc7 16.c5 (16.Rad1 e4=) 16...Rad8 (16...Red8!?+=) 17.Rad1 Re7 (17...cb5 18.Bb5 (18.Qa7? Ra8 19.Qb6 Qb6 20.cb6 b4-/+) 18...Nd7 19.Rf5 (19.Qa7 Ra8 20.Bd7 Ra7 21.Be8 Qc5-/+) 19...gf5 A) 20.Qa7? Ra8 (20...Nc5 21.Be8 Re8 22.d4+=) 21.Nd5 Qc8 22.Bd7 Qd7–+ (22...Ra7? 23.Bc8 Rd8 24.Nb6+-); B) 20.Nd5=) 18.e4 (18.Rf2 cb5 19.Qa7 Ng4+=) 18...cb5= 19.Nb5 Bd7 20.Qb4 (better is 20.Ba3 Bb5 21.Bb5+=) 20...Bb5–+ 21.Bb5 Ne4! 22.Ba3 (22.Qe4 Qc5 Double attack (22...Qc5 Decoy)) 22...Rd4 23.Bc4 a5 24.Qb3 (better is 24.Qb2 Rc4 25.d3–+) 24...Red7 (better is 24...Nd2!? 25.Rd2 Rd2–+) 25.d3-/+ Nf6 (25...Nc5 26.Rf7 Rf7 27.Bc5 Qc5 28.Bf7 Kh8 29.Kh1-/+) 26.Rde1 (26.Qb5 Ng4 27.Rde1 e4-/+) 26...Nh5 (26...e4 27.de4 Re4 28.g3-/+) 27.Bb5 (27.Bb2 Rg4 28.d4 Nf4=) 27...Rd8 28.g3 Bf8 29.Bc4 R4d7 30.c6 (30.Kg2!?+=) 30...bc6-/+ 31.Bf8 Rf8 32.Re2 Kg7 33.Qc3 Rd4 34.Rfe1 f6 (34...Qa7 35.Kg2 f6 36.Rb2-/+) 35.Qd4-/+ ed4 36.Re7 Qe7 37.Re7 Kh6 38.Rc7 Ng7 (38...f5 39.Rc6 f4 40.Kg2-/+) 39.Rc6+= Nf5 40.Ra6 Rb8 41.Ra5 Rb1 42.Kf2 Rb2 43.Kf3 Rh2 44.a4 (44.Be6 Ne3 45.Ra4 Nc2-/+) 44...Rh3 45.Kf2 Kg5 (45...Ng3 46.Kg2 Rh5 47.Rh5 Nh5 48.a5+-) 46.Be6 Kg4 47.Rd5 Rh2 48.Ke1 Kg3 49.Bf5 gf5 50.Rf5 h5 51.Rf6 (better is 51.a5!?-/+) 51...h4 52.Kf1 Ra2 53.Rg6 Kf4 (53...Kf3 54.Rf6 Ke3 55.Rh6–+) 54.Rh6 Kg5 (54...Kf3 55.Rf6 Ke3 56.Rh6–+) 55.Rd6 h3 56.Kg1 Ra4 57.Kh2 Kf4?? (better is 57...Kg4 58.Rg6 Kf3 59.Rg3 Ke2 60.Rh3 Ra8–+) 58.Re6= Kf3 59.Re4 (59.Kh3? Ra3–+) ½–½. Stoll,Ferdinand (2245) – Saacke,Bernd (2300), BL2–S8889 Germany, 1989. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Nc3 a6 7.Bc4=+.

6.Nc3 c6 7.h3 (7.Be2 Qb6=) 7...a5 (7...Nd5 8.a3=+) 8.b5= Nbd7 (8...a4 9.a3=) 9.a4 (9.Rb1 a4=) 9...Nc5 (9...Nd5 10.Be2=) 10.Nd4 (10.Rb1 Bd7=) 10...e5=+ 11.fe5 de5 12.Nf3 e4 13.d4 ef3 14.dc5 Nd5 15.Nd5 Bb2 (16.gf3 Qh4 (< 16...cd5 17.Rb1 Bc3 18.Ke2–+; 16...Qd5?! 17.Qd5 cd5 18.Rb1 Bc3 19.Kf2–+) 17.Ke2 Ba1–+) 0–1. Dillimann,Hans Peter – Wolfsteiner,Helmut, Augsburg op 2nd, 1995.

6.Bc4 e5 7.fe5 Ng4 8.0-0 Nc6 9.Bb3 Nge5 10.Ne5 de5+=.

6.Bc4 e5 7.fe5+= Ng4 8.0-0 Nc6 9.Nc3 Nce5 10.Bb3 Be6 11.Qe2 d5 12.Nd4 Nh6 13.Ne6 fe6 14.e4 c6 (14...Neg4!? 15.Rf8 Qf8=) 15.ed5+/– ed5 16.Nd5 cd5 17.Rf8 Qf8 18.Be5 Rd8 19.Re1 Nf5 20.c3 a5 (better is 20...Be5 21.Qe5 Qf7+-) 21.Bc7 Rd7 22.Qe6 Qf7 23.Ba5 Qe6 24.Re6 Kf7 25.Re2 Bf6 26.Ba4 Rd6 27.Bc7 Ra6 28.Bb3 Ne7 29.b5 Re6 30.Kf2 Re2 31.Ke2 Ke6 32.Kd3 Nf5 33.Bd1 h5 34.a4 Kd7 35.Bb8 Kc8 36.Bf4 g5 37.Bh5 gf4 38.Bg4 Kc7 39.Bf5 b6 40.Ke2 d4 41.cd4 Bd4 42.Kf3 Kd6 43.Ke4 Bg7 44.d4 Bh6 45.h4 Bg7 46.Kf4 Bd4 47.Kg5 Ke7 (47...Kc5 48.h5+-) 48.Kg6 Kf8 49.Be6 Bf2 50.h5 Bd4 51.g4 Ke7 52.Bb3 Be3 53.g5 Kf8 54.h6 Bd2 (54...Ke7 55.Kh5 Bd4 56.g6+-) 55.Kh5 Ke7 56.g6 Kf6 57.g7 (57.g7 Kf5 58.g8Q Bc3 59.Qe6 Kf4 60.Qc4 Bd4 61.Qd4 Kf3 62.Bd1 Kg2 63.Qd5 Kf2 64.Qf3 Kg1 65.h7 Kh2 66.Qf2 Kh3 67.Bg4) 1–0. Ruf,Matthias – Meier,Volker, GER–ch U20 Neunkirchen, 1986. (=1.e3 Nf6 2.f4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6)

6.Bc4 e5 7.fe5 Ng4 8.0-0 Nc6 9.Bc3 Nge5= 10.Ne5 Ne5 11.Be2 Qg5 12.a4 Be6 13.e4 (13.Bf3!?=) 13...f5+= 14.Bd3 (14.d4 Nc4 15.Bc4 Bc4-/+) 14...Nd3 (14...fe4 15.Be4 d5 16.Bf3-/+) 15.cd3 fe4 16.de4 Rf1 17.Qf1 a5 (better is 17...Bc3!? 18.Nc3 Qd2–+) 18.Bg7+= Kg7 19.Qb5 (better is 19.Qc1 ab4 20.Qc7 Kf6 21.Qd6+=) 19...Qf6–+ 20.Ra3 Qd4 (20...Rf8!? 21.h3 Qf2 22.Kh2–+) 21.Re3-/+ Qb4 22.Nc3 Rf8 23.Qg5 (23.h3 Bc4 24.Qg5 h6–+) 23...Qb2 (23...Qd4!?–+) 24.Re1 Rf7 (24...Qb6 25.Qe3 Qe3 26.Re3-/+) 25.h3 (25.Qe3 Kg8-/+) 25...Qb6 26.Kh2 h6 27.Qe3 Qe3 28.Re3 (28.de3? Kf6–+) 28...c6 29.Kg1 Bc4 30.Re1 (30.d3 Ba6–+) 30...Kf8 (30...b5 31.d4–+) 31.Rb1 Ke8 32.d4 Kd8 33.e5 de5 34.de5 Kc7 35.Ne4 b6 (35...Re7 36.Nd6 Ba6 37.Re1–+) 36.Nd6 Rf4 37.g3 Rd4 38.Rc1 Ba6 39.Ne8 Kd8 40.Ng7 (40.Nf6!? Bc4 41.Kf2–+) 40...Bc4–+ (40...Ra4?! 41.Rc6 Ra1 42.Kf2 Rf1 43.Ke3 Rf3 44.Kf3+=) 41.Rc3 (41.Rf1 Bf1 42.Ne6 Kd7 43.Nd4 Bh3 44.Kf2–+) 41...Bd5 0–1. Eggenberger,Ulrich – Hirzel,Rene (2225), Bad Ragaz op, 1992. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Bc4 e5 7.fe5 Ng4 8.Bc3 Nc6 (8...Ne5!? 9.Be2 Be6=) 9.ed6+/– Qd6 10.Bg7 Kg7 11.Nc3 (better is 11.a3+/–) 11...Qb4-/+ 12.Qe2 Ne3! 13.Qe3 (13.de3 Qc3 Deflection (13...Qc3 Overloading); 13.Qe3 Qc4 Deflection (13...Qc4 Overloading)) 13...Qc4 14.Ne5 (14.Qe2 Qe2 15.Ke2 Bg4-/+) 14...Ne5 15.Qe5 f6 16.Qe2 Qh4 17.Qf2 (17.g3 Qd4 18.Qe3 Qe3 19.de3 Bf5-/+) 17...Re8–+ 18.Ne2 Qf2 (18...Qc4 19.0-0 Qe2 20.Qf6 Kh6 21.Qf4 Kh5 22.Qc7–+) 19.Kf2-/+ Bg4 20.Rhe1 Rad8 21.h3 Bc8 22.d4 Be6 23.a3 Bc4 24.Rab1 b6 25.Rb4 Bf7 (25...b5 26.c3-/+) 26.c3 Re7 27.Ng1 Re1 28.Ke1 Rd5 29.Rc4 (29.Rb1 Ra5 30.Ra1 Rb5–+) 29...Rd7 (29...Re5 30.de5 Bc4 31.ef6 Kf6 32.Kf2–+) 30.Rb4-/+ Rd5 31.Rc4 Re5! 32.de5 Bc4 33.Nf3 (33.ef6 Kf6 34.Kf2 c5–+) 33...Bd5 34.Nh2 (34.ef6 Kf6 35.Ke2–+) 34...Bg2 0–1. Kujawski,Adam (2270) – Vaulin,Alexander (2520), Katowice op, 1992. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Bc4 Bf5!?=.

6.Bc4 Bg4 7.0-0 a5 8.b5 c6 9.d4 d5 10.Be2 Ne4 11.a4 1–0. Zalys,Ignas – Dubnov,Ardyn, USA Golden Knights corr, 1964. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.Nf3 0-0)

6.Be2 a6 7.0-0 Nc6 8.a3 Bf5 9.Nc3=.

6.Be2 a6 7.0-0 e6 8.c4 (8.a3 Bd7 9.d4+=) 8...Nbd7 (8...Nc6 9.a3+=; 8...b6 9.Nc3=) 9.Qc2 (9.d4=) 9...c5 (9...a5 10.b5+=) 10.a3 (10.bc5 dc5 11.e4 Qc7+=) 10...Qe7 (10...b6 11.d4=) 11.h3 (11.bc5 dc5 12.Ne5 Ne5 13.fe5 Nd7=) 11...d5 (11...b6 12.e4=) 12.Nc3 (12.bc5 Nc5 13.Rc1 b6=) 12...cb4 (12...dc4 13.bc5 Qc5 14.a4=) 13.ab4= Qd8 (13...dc4!? 14.b5 Rd8=) 14.c5+/– Qc7 (14...Rb8 15.d4+/–) 15.Nb5! Qd8 (15...ab5 16.Ra8) 16.Nbd4 (16.Nd6 Ne8 17.Bg7 Kg7 18.Ne8 Re8+/–) 16...Ne4+= 17.Kh2 (17.Rfc1 Ndf6+=) 17...Nb8 (17...e5 18.fe5 Ne5 19.d3+=) 18.d3+/– Nf6 19.b5 Bd7? (better is 19...Nbd7!?+/–) 20.c6+- bc6 21.bc6 (21.Nc6?! Bc6 22.bc6 Qb6+=) 21...Qc7 (21...Bc6 22.Nc6 Nc6 23.Qc6+-) 22.Ne5 (22.cd7 Qc2 23.Nc2 Nbd7+-) 22...Bc8 (22...Nh5 23.Bh5 (23.cd7?! Be5 24.fe5 Qe5 25.Kg1 Qe3 26.Rf2 Nf6+-) 23...Be5 24.fe5 (24.cd7 Qc2 25.Nc2 Bb2-/+) 24...Qe5 25.Kh1 Qh5 26.cd7 Nd7 27.Qc7+-) 23.Rfb1 (better is 23.Nb5 Qb6 24.Bd4 Qb5 25.Rfb1 Qb1 26.Rb1+-) 23...Bb7?? (better is 23...Ne8 24.Nb5! ab5 25.Ra8 f6+-) 24.Ba3 (better is 24.cb7 Qb7 25.Ba3+-) 24...Bc6 (24...Bc8 25.Bf8 Bf8+-) 25.Bf8 (25.Bf8 Bf8 26.Nec6+-; 25.Nec6?! Re8+-; 25.Ndc6?! Re8+-) 1–0. Deb,Akasa – Cromwell,Robert J, San Mateo, 2000.

6.Be2 Re8 7.0-0 Nbd7 8.Nc3 Ne4 9.d4 Nc3 10.Bc3 d5 11.b5 Nf6 12.Ne5 Ne4 13.Bb4 f6 14.c4?? (better is 14.Nf3=) 14...fe5–+ 15.cd5? (better is 15.fe5 c5! 16.bc6 bc6 17.Bf3–+) 15...ed4 16.Bd3 (16.Qc2 d3 17.Bd3 Ba1 18.Ra1 Nf6 19.Bg6 Rf8–+ (19...hg6?! 20.Qg6 Kh8 21.Qh6 Kg8 22.Qg6 Kh8 23.Qh6 Kg8 24.Qg6=; 19...Qd5?! 20.Be8 Ne8 21.Be7-/+; 19...Nd5?! 20.Bh7 Kh8 21.Bg6-/+)) 16...Qd5 17.Qc2 Nd6 (17...Nc3!? 18.e4 Qe6 19.Bc3 dc3 20.e5–+) 18.e4 Qf7 19.Rf3 (19.Qc7 Be6 20.Bd6 ed6 21.Qd6 Bc4 22.Bc4 Qc4–+) 19...Be6 20.Bd6 (20.Qc7 Rec8 21.Qa5 Nc4 22.Bc4 Bc4–+) 20...cd6 21.f5 gf5 22.ef5 Bd5 23.Rg3 Rac8 (23...Kh8 24.Qe2–+) 24.Qd2 (24.Qa4 Kh8 25.a3 Be5–+) 24...Bc4 25.Bc4 Qc4 (25...Rc4 26.Rf1–+) 26.Qg5 Qf7 27.Rd1 (27.Ra3 Rc5 28.Rf1 e6–+) 27...Rc3 (27...Rc5 28.Rf3 Qa2 29.b6 ab6 30.Rf2–+) 28.Rd4 Rg3 29.Qg3 (29.hg3 h6 30.Qg4 Qa2–+) 29...Qf5 30.Rf4 (30.Qb3 e6 31.Rd1 Rf8–+) 30...Qc5 (better is 30...Qb5 31.Rf1 Qc5 32.Kh1 Qc4–+) 31.Rf2 (31.Qf2–+) 31...Rf8 32.Kf1 Rf2 (better is 32...Qc1 33.Ke2 Qc2 34.Ke1 Rf2 35.Qb3 Qb3 36.ab3 Rg2–+) 33.Qf2 Qf2 (33...Qb5!? 34.Qe2 Qb1 35.Qe1 Qa2 36.Qe7 Qf7 37.Qf7 Kf7 38.Ke2–+) 34.Kf2 Kf7 35.Ke3 Ke6 36.a4 0–1. Lettner,Jochen – Holzer,Jan, Vienna op–B, 1998. (=1.f4 d6 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0)

6.Be2 Bg4 7.0-0 c6 8.Qc1 (8.Nc3 d5=) 8...Qc7 (8...d5 9.Bd4=) 9.c4 Nbd7 (9...c5 10.a3=) 10.d4 (10.h3 Bf3 11.Bf3 a5=) 10...Rae8 (10...c5 11.bc5 dc5 12.Nc3=) 11.h3 Bf3 (11...Bf5 12.g4 Bb1 13.Rb1=) 12.Bf3 e5 13.fe5 de5 14.Nd2 (14.a3 ed4 15.Bd4 Ne4=) 14...Re7 (14...e4 15.Bg4 Ng4 16.hg4-/+) 15.b5 (15.Qc2 Rfe8 16.Rf2 ed4 17.Bd4 b6=) 15...e4 (15...Bh6 16.Re1+=) 16.Bd1 Rfe8 (16...Qg3!? 17.Qc3 Bh6 18.Rf6 Nf6= (worse is 18...Be3 19.Kh1+/–)) 17.a4 Qg3 18.Ra3 h5 (18...Re6 19.Bc2+=) 19.Rf2 Nh7 20.Nf1 Qg5 21.Ra2 (21.bc6 bc6 22.Rb3 c5+=) 21...c5 22.d5 Ne5 23.Be5 (23.Be2 Nf6+=) 23...Qe5 24.a5 b6 (24...Rd8 25.Be2=) 25.ab6 (25.Be2 Rd8+=) 25...ab6 26.Ra6 Rb7 (26...Qd6 27.Rfa2+=) 27.Rfa2 Bf8 (27...Qd6 28.Qc2+=) 28.Qa1 (28.Be2 Bg7+/–) 28...Qa1 (28...Qd6 29.Bc2+=) 29.Ra1+/– Bd6 30.Ra7 (30.g4 h4+=) 30...Reb8 (30...Ra7 31.Ra7 h4 32.Nd2+=) 31.g3 (31.Nd2 f5+=) 31...Ng5 (31...f5 32.g4 hg4 33.hg4+=) 32.Kg2 (32.h4 Nh7+=) 32...f5 33.Nh2 (33.R7a6 Be5 34.R1a2 Rd8+=) 33...Kg7 (33...Be5 34.R1a2=) 34.h4 (34.R7a6 Be5 35.R1a4 Rd8=) 34...Nf7 (34...Ra7 35.Ra7 Nf7 36.Nf1=) 35.Be2 (35.R7a6 Rd8=) 35...Kf6 (35...Ra7 36.Ra7 Kf6 37.Nf1=) 36.Nf1 (36.R7a6 Be5 37.R1a2 Rd8=) 36...Be5 37.Rb7 Rb7 38.Ra8 (38.Ra6 Nd6=) 38...Bc3 39.Ra2 Nd6 (39...Ba5 40.Kf2=) 40.Kf2 (40.Kh3 Ba5=) 40...Ba5 41.Nh2 (41.Ra3 Rd7=) 41...Rh7 (41...Ra7 42.Ra1=) 42.Nf1 (42.Ra1 Rd7=) 42...g5 (42...Rd7 43.Kg2=) 43.Rc2 (43.Kg2 g4=) 43...Bb4 (43...g4 44.Ra2=) 44.Ra2 (44.hg5 Kg5 45.Ra2 Ba5=) 44...Ba5 45.Rc2 (45.hg5 Kg5 46.Kg2 h4=) 45...Nf7 (45...g4 46.Ra2=) 46.Nd2 g4 (46...Ne5 47.hg5 Kg5 48.Nb3=) 47.Nb3 Bb4 48.Ra2 Ne5 49.Ra8 (49.Ra6 Rb7=) 49...Rb7 (49...Rd7 50.Rf8 Nf7 51.Rb8=) 50.Ra6 (50.Re8 Bc3=) 50...Nd7 51.Bf1 (51.Kg2 Ne5=) 51...Nb8 (51...Ke7 52.Kg2=) 52.Ra8 Ke7 (52...Bc3 53.Nc1=) 53.Nc1+= Bc3 54.Ne2 Be5 55.Ke1 (55.Nf4 Bf4 56.ef4 Kf7=) 55...Kd7 (55...Rd7 56.Nf4 Bf4 57.ef4=) 56.Kd2+= Kc8 57.Kc2 (57.Bg2 Rd7=) 57...Rd7 58.Kb3 (58.Nf4 Kb7 59.Ra2 Bf4 60.ef4 Rd8=) 58...Kb7 59.Ra2 Rd8 60.Kc2 Nd7 61.Kd2 Ra8 62.Ra8 Ka8 63.Ke1 (63.Nf4 Nf6=) 63...Nf6 64.Kf2 (64.Nf4 Bf4 65.ef4 Kb7=) 64...Ne8 (64...Kb8 65.Nf4=) 65.Nf4 Bf4 66.ef4 Kb7 67.Ke3 (67.Be2 Kc7=) 67...Kc7 (67...Nd6 68.Be2=) 68.Be2 Kd6 ½–½. Goc,Jan (2000) – Zbirka,Peter (2035), Tatranske Zruby SVK, Tatry Open, 2009. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Be2 a5

7.a3 ab4+= 8.ab4 Ra1 9.Ba1 b6 10.0-0 Bb7 11.Na3 Nbd7 12.Nc4 e6 (12...Qa8 13.Kh1+=) 13.Bf6 (13.Bc3 Re8=) 13...Qf6 14.d4 Ra8 15.b5 Qe7 16.Nfd2 (16.Qd3 Bh8+=) 16...Nf6 (16...e5 17.Nb3+=) 17.Bf3 d5 18.Qb1 Ra7 19.Ne5 Qa3 20.Qb3 Ne8 21.Be2 Nd6 22.Rb1 f6 23.Nef3 Nf5 24.Kf2 Qd6 25.Qb4 Qd7 26.Qb2 Qd8 27.Ra1 Qa8 (27...Ra1 28.Qa1 Nd6 29.Bd3=) 28.Ra7= Qa7 29.Qc3 Qb8 30.Qb3 Qd8 31.c4 Bf8 32.cd5 Bd5 (32...Qd5 Less advisable is 33.Bc4 Qd8 34.Be6 Kh8 35.Bf5 gf5 36.Qe6+/–; 32...ed5?! 33.e4 Nh6 34.Bd3=) 33.Bc4 Kg7 34.Nb1 Bf3 35.Kf3 e5 36.de5 fe5 37.fe5? Qg5 38.Nd2 Nh4 39.Ke2 Qe5 40.g3= Nf5 41.Nf3 Qf6 42.Qd3 Bd6 43.e4 Qb2 44.Qd2 Qd2 45.Kd2 Bb4 46.Kd3 Nd6 47.e5 Nb7 48.Ke4 Na5 49.Kd5 Be7 50.g4 h6? 51.Ke6+- Kf8 52.Bd5 Ke8 53.h4 Kd8? 54.Kf7 g5 55.h5 c6 56.bc6 Bc5 57.Ng5! hg5 58.h6 Bd4 59.e6 (59.e6 Kc7 60.e7 Nc6 61.Bc6 Kc6 62.e8Q Kd5 63.Qe6 Kc5 64.Qe7 Kc6 65.Qg5+-) 1–0. Tao,Trevor (2375) – Zaric,Srboljub (2170), The Kaf University op, 2001. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.Nf3 0-0 6.Be2 a5)

7.a3 b6 8.0-0 Bb7 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.d3 (9.b5 c5=) 9...ab4 (9...Ng4 10.Bg7 Kg7 11.Qd2=) 10.ab4 Ra1 11.Ba1 Ng4 (11...e5 12.e4= (< 12.fe5 Ng4-/+)) 12.Bg7+= Ne3 ( 12...Kg7!? 13.Qd2 c5+=) 13.Qc1+/- Nf1 14.Bf8 Nh2 15.Kh2 (15.Nh2 Qf8) 15...Qf8 16.c4 (16.f5 gf5 17.Qg5 Kh8 18.Qf5 Qh6 19.Kg1 Qg6+/-) 16...Qh6 17.Kg1 (17.Kg3 Na6 18.b5 Nc5+/-) 17...e5 18.g3 ( 18.Nc3!?+/-) 18...Nc6= 19.Nc3 (19.Nbd2 ef4 20.Ne4 f5=+) 19...Nd4 20.Nd4?? ( 20.Qf1 Nf5 A) < 21.fe5 Ng3 22.Qd1 Qf4-+ (22...Ne2?! 23.Qe2 Qc1 24.Nd1=+); B) 21.Qf2 ef4 22.g4=) 20...Qh1-+ 21.Kf2 Qc1 (22.Na2 Qa1-+) 0-1. Eralos (1990) - elgreco (2055), ajedrez21.com, 2002.

7.a3 c6 8.b5=.

7.a3 Nbd7 8.0-0 Nb6 9.Nc3 d5 10.Nd4=.

7.b5 c5 8.0-0 Bf5 9.Nh4 Bd7 10.c4=.

7.b5 Nbd7 8.0-0 e5 9.fe5 Ng4 (9...Ne5 10.Ne5 (worse 10.Be5 de5 11.Nc3 Nd5-/+) 10...de5 11.Be5+=) 10.Na3 (10.Nc3 Nge5 (worse 10...Be5 11.Ne5 Nde5 12.h3+/-) 11.Ne5 Ne5=) 10...Nge5 11.Ne5 de5 (11...Ne5 12.d4 Nd7 13.Qd3=+) 12.Nc4 Qg5 13.Ba3 Re8 14.b6 (14.Rb1 e4=) 14...Nb6 15.Nb6 cb6 16.Bb5 (16.Rb1!?=+) 16...Bg4 17.Qe1 Rec8 18.Qf2 f6 (18...Bf5!? 19.c3 Kh8-/+) 19.d3=+ Be6 (19...e4 20.Bc4 Rc4 21.dc4=) 20.e4= Bf8 (better 20...Bf7!?=) 21.Bf8+/- (21.Qf6 Qf6 22.Rf6 Ba3 23.Re6 Rc2-/+; 21.Qb6? A) 21...Ba3?! 22.Qe6 Kh8 23.c4= (23.Rf6? Rc2 24.g3 Qh6-+); B) 21...Bh3 22.Bc4 Rc4-+) 21...Rf8 22.Qb6 Bc8 (22...Bg4 23.Kh1+/-) 23.Bc4 Kh8 24.Kh1 Bg4 25.Rab1 f5 (25...Rab8 26.Qa5 Be2 27.Rf2+-) 26.ef5 (26.Qb7?! f4+=) 26...Rf5 27.Rf5 (27.h3 Raf8 28.Rf5 Bf5 29.Qb7 a4+-) 27...Qf5+/- 28.Qe3 Rf8?? (better 28...Qf4 29.Qf4 ef4 30.Rb7 Re8+/-) 29.h3+- Qh5 30.Bd5 (30.Qc5 Re8 31.Bf7 Rc8+-) 30...Bd1 (30...Bc8 31.Qc5 Qf5 32.Qa5+- (32.Bb7?! Bb7 33.Rb7 Qf1 34.Qg1 Qe2+=)) 31.Rb7 (better 31.Kh2 Bg4 32.Rb7+-) 31...Bc2?? (better 31...Qe2 32.Qe2 Be2+-) 32.Qc5 (32.Rb8 Rb8 33.g4+-) 32...Qh6 33.Qc2 Rf1 34.Kh2 Qf4 35.g3 Rf2 36.Bg2 (36.Kh1!? Rc2 37.gf4 ef4+-) 36...Rc2 37.gf4 ef4 38.Rf7 g5 (38...Ra2 39.Rf4 Kg7 40.Kg3+-) 39.a4 Ra2 40.Kg1 Ra4 41.Be4 Kg8 42.Rf5 (42.Rh7 Re4 43.Ra7 Ra4=+) 42...h6 43.Rf6 Rd4? (better 43...Kg7 44.Rg6 Kh7+-) 44.Rh6 Kf7 (44...Ra4 45.Kf2 Kf8 46.Rg6+-) 45.Kf2 (45.Kg2 Ke7+-) 45...Rb4 (45...Ra4 46.Kf3 Ra1 47.Ra6+-) 46.Ra6 a4 (46...Rb5 47.Kf3+-) 47.Kf3 Rd4 (47...Rb1 48.Kg4 Rg1 49.Kh5+-) 48.Kg4 Ke7 49.Ra5 Kf6 (49...f3 50.Kf3 Rb4 51.Kg4+-) 50.Rf5 Ke6 51.Rg5 Rb4 (51...Kd7 52.h4 Rd6 53.Ra5+-) 52.Kf4 Rb1 (52...Kd6 53.Ra5 Kc7 54.h4+-) 53.Ra5 Ra1 (53...Rf1 54.Bf3 Ra1 55.Ra6 Kf7 56.h4+-) 54.Ra6 Ke7 55.d4 a3 (55...Ra3 56.Ke5 Rc3 57.Ra4 Rh3 58.d5 Rh6 59.Ra7 Kd8 60.d6 Ke8 61.Bf5 Rh1 62.Ra8 Kf7 63.d7 Rh2 64.d8Q Re2 65.Kf4 Rf2 66.Kg4 Rg2 67.Kf3 Rg3 68.Kg3 Kg7 69.Qf8) 56.Ke5 a2 57.Ra7 Kf8 58.h4 Ke8 (58...Rc1 59.Ra2 Rc7+-) 59.h5 Kf8 60.h6 (60.h6 Rh1 61.Bh1 a1Q 62.Ra1 Kg8 63.Be4 Kf7 64.Ra7 Kg8 65.Kf6 Kh8 66.Ra8) 1-0. Alarcon Careaga,Gustavo (2135) - Benedetti,J (2280), Norberto La Porta Cup, 2019. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 a5)

7.b5 c6

8.0-0 cb5 9.Bb5 Bf5 10.Nd4=.

8.a4 Bd7 9.c4 cb5 10.cb5 Be6 11.0-0 Nbd7 12.Nd4 Bd5 13.Nc3 Nc5 14.Nd5 Nd5 15.Bc4 Nb6 16.Ba2? e5 17.fe5 de5 18.Nf3 Nd3 19.Bc3 e4 20.Ng5?? Qg5–+ 21.Qb3 Qe7 22.Bg7 Kg7 23.Qc3 Qe5 24.Qb3 f5 25.Rac1 Rac8 26.Rc8 Nc8 27.Rc1 Nc1 (27...Nc1 28.Qb1 Na2 29.Qa2 f4–+) 0–1. elsh1403 (1640) – eyof (1850), kurnik, 2011.

8.c4 cb5 9.cb5 a4 10.0-0 Nbd7 11.a3 Nc5 12.Bc4 Be6 13.Be6 fe6 14.Ng5 Qd7 15.Nc3 h6 16.Nf3 Nfe4 17.Ne4 Ne4 18.Bg7 Kg7 19.Qc2 d5 20.Qb2 Kh7 21.Ne5 Qe8 22.d3 Nf6 23.Rac1 Rc8 24.Qb1 Nd7 25.d4 Ne5 26.fe5 Rc1 27.Qc1 Rf1 28.Qf1 Kg7 29.Qd3 Qc8 30.Kf2 Qc4?? 31.Qc4+- dc4 32.Ke2 g5 33.Kd2 Kg6 34.Kc3 Kf5 35.Kc4 Ke4 36.Kc5 Ke3 37.Kb6 Kd4 38.Kb7 Ke5 39.b6 Kf4 40.Kc7 Ke3 41.b7 Kf2 42.b8Q Kg2 43.Kc6 g4 44.Qe5 h5 45.Kb5 h4 46.Qe2 Kh3 47.Ka4 g3 48.hg3 hg3 49.Qe6 Kh2 50.Qe7 g2 51.Qh7 Kg3 52.Qg7 Kf2 53.Qg2! Kg2 54.Kb5 Kf3 55.a4 Ke4 56.a5 Kd5 57.a6 Kd6 58.a7 Kc7 59.a8Q (59.a8Q Kd6 60.Qe4 Kd7 61.Kc5 Kc7 62.Qe7 Kc8 63.Kc6 Kb8 64.Qb7) 1–0. elsh1403 – mietz, kurnik, 2011.

8.c4 cb5 9.cb5 b6 10.a4 Bb7 11.0-0 Nbd7 12.Nc3 Rc8 13.d4 Ng4 14.Qd2 e5 15.h3 Nh6 16.fe5 de5 17.Ba3 Re8 18.d5 Nf5 19.e4 Nd4 20.Nd4 ed4–+ 21.Qf4 f6 22.Nd1=+ Ne5 23.Nf2 Rc3 24.Bg4? h5?? 25.Be6+= Kh7 26.Rfc1?? Qc7 27.d6= Rc1 28.Rc1 Qd8 29.d7?? Re6–+ 30.Rd1 Qd7 0–1. elsh1403 – okular59, kurnik, 2012.

8.c4 d5 9.0-0 (9.Nc3 dc4 10.Bc4=) 9...dc4 10.Bc4 Qb6 (10...cb5 11.Bb5 Bd7 12.Be2=) 11.Nc3+= cb5 12.Nb5 Nc6 13.Qc1 (13.d4 Bf5+=) 13...Rd8 (13...Bf5 14.d3=) 14.Ne5 (14.Be5 Nd5+=) 14...Nd5= 15.Nc6 Bb2 (better is 15...bc6!? 16.Bg7 cb5+=) 16.Ne7!+/– (worse is 16.Qb2 bc6 17.Qe5 Ba6+=) 16...Ne7 17.Qb2 Bf5 18.Qe5 Rd7 19.Nd4 Nc6 20.Qf6 (better is 20.Nc6 bc6 21.d4+/–) 20...Qb2= 21.Kh1 (21.d3!? Nd4 22.ed4 Qd4 23.Qd4 Rd4 24.Rab1 Bd3 25.Bd3 Rd3 26.Rb7=) 21...Nd4-/+ 22.d3? (better is 22.a3 Qd2 23.ed4-/+) 22...b5–+ 23.Rab1 Qa3 (23...Qa3 24.Bf7 Rf7 25.Qd4 Qd3–+ (25...Bd3?! 26.Rb3 Qb3 27.ab3 Bf1 28.Qd1-/+)) 0–1. Buczinski,Henryk – Sciborowski, Katowice Poland, 1979.

6.Be2 b6

7.0-0 a6=.

7.b5 c5 8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.Na3 Qc7 13.Nc4 Bb7 14.d3 Re8 15.Qe1 Ra8 16.Qh4 (16.e4 d5 17.ed5 Nd5 18.Bg7 Kg7=) 16...Bd5 (16...Ra2!?+=) 17.e4= Bc4 18.dc4 Ra2 (18...e6 19.f5+=) 19.Bd3 (19.e5 Nh5 20.Nd2 Rc2 21.Bh5 Rd2 22.Qe7 Bf8+/–) 19...Qa7= 20.Bc3 Qa3 21.Be1 e5 (21...Qb2 22.Bg3=) 22.fe5 de5 23.Bg3 Ra1 24.Ne5 (24.Ra1 Qa1 25.Be1 Qc1=) 24...Rf1+= 25.Bf1 Qe3 (better is 25...Ne5 26.Be5 Qe3 27.Kh1 Ne4 28.Qd8 Bf8-/+) 26.Bf2+/– Qe4?? (better is 26...Qh6 27.Qh6 Bh6 28.Nd7 Nd7+/–) 27.Qe4+- Ne4 28.Nd7 Bd4 1–0. Acero Solis,Alberto – Moran Llera,J (2000), ch–ESP Abierto, 2006. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 b6)

7.0-0 Bb7

8.c3 Nbd7 9.Qb3 c5 10.d4 Rb8 11.Nbd2 Ng4 12.e4 e6 13.Bc4 Ne3 14.Rae1? Nf1–+ 15.Kf1 Qc7 16.Ng5 Rfe8 17.f5 gf5 18.ef5 d5 19.fe6 dc4?? 20.Qc2 fe6 21.Qh7 Kf8 22.Kg1 Nf6 23.Ne6 (23.Ne6 Re6! 24.Rf1 cd4 25.Qh4–+). elsh1403 – lakyluciano, kurnik, 2011.

8.c4 c5 9.b5 Nbd7 10.d4 Ne4 11.Nbd2 Nd2 12.Qd2 Qc8 13.d5 Nf6 14.Bd3 Qg4 15.e4 Nh5 16.Ng5?? h6?? 17.h3 Qd7 18.g4?? hg5 19.gh5 Qh3 20.Bg7 Kg7 21.Qc3 Kg8 22.hg6 fg6 23.fg5=+ Qg4 24.Kh2 Qh4 25.Kg2 Qg5 26.Kh3? Qh5?? 27.Kg3 Qg5 28.Kh2 Qh4 29.Kg2 Qg4 30.Kh2 Bc8?? 31.Rf8+- Kf8 32.Rf1 Kg8 33.Rh1?? Bd7 34.Bf1 Rf8 35.Bg2?? Rf2 36.Qg3 Qg3 37.Kg3 Ra2 38.Rh6 Kg7 39.Rh4 Rc2 40.Bf1 Rc1 41.Be2 Rg1 42.Kf4?? Rg2 43.Bf3?? Rc2 44.Kg5 Rc4 45.Rh6 Be8 46.e5 de5 47.Bg4 Rf4 48.Be6 Rf6 49.Rh3 Bb5 50.Re3 Bc4 51.Re5 Bd5! (51...Bd5 52.Bd5 Rf5 53.Rf5 gf5 54.Kf5 b5–+) 0–1. elsh1403 – bradipoepace (1695), kurnik, 2012.

8.c4 c5 9.b5 Nbd7 10.d4 Ne4 11.Nbd2 f5 12.Qc2 Rc8 13.d5 Ndf6 14.Ng5 Nd2 15.Qd2 Qe8 16.Ne6 Rf7 17.Bd3 Qd7 18.Rae1 a6 19.a4 ab5 20.ab5 Ra8 21.e4 Ra2 22.Ng7 Rg7 23.Qc3 e6?? 24.e5 Ng4 25.ed6 Rb2 26.Qb2 ed5 27.h3 d4 28.hg4 Qd6 29.g5 1–0. elsh1403 (1655) – kwapimat, kurnik, 2012.

8.c4 Nbd7 9.a4 a5 10.b5 Qe8 11.Nc3 e5 12.fe5 de5 13.h3 Nc5 14.d4 ed4 15.ed4 Nce4 16.Ne4 Ne4 17.Re1 Qd8 18.Qd3 Ng3 19.Rad1 c5 20.Bc3 cd4 21.Nd4 Ne2 22.Qe2 Qc7 23.Qg4 Qc4=+ 24.Ba1 Qc5 25.Kh1 Rfe8 26.Rf1 Re4 27.Qd7 Re7 28.Qg4 Rd8?? 29.Rc1?? Qd5?? 30.Rfd1 Re4 31.Nc6 Rg4 32.Rd5 Rd5 33.hg4 Rd2 34.Ne7 Kf8 35.Nc6 Ba1–+ 36.Ra1 Rc2 37.Rd1 Bc6 38.bc6 Rc6 39.Rb1 Ke7 40.Kh2 Kf6 41.Kg3 Kg5 42.Rb5 Kf6 43.g5?? Ke6 44.Kh4?? f5 45.g4 f4 46.Rb3 1–0. elsh1403 – mjacek, kurnik, 2011.

8.c4 Nbd7 9.a4 Re8 10.d4 c5 11.b5 a5 12.d5 e5 13.fe5 Ne5 14.Ne5 de5 15.Nd2 Qd6 16.e4 Bc8 17.Bf3 Bd7 18.Qe1 Nh5 19.Bh5 gh5 20.Qf2 Qg6 21.Qf3 Bg4 22.Qg3 Bh6 23.Nf3 Be3 24.Kh1 Bd4 25.Bd4 ed4 26.Ne5 Qe4 27.Rae1 Qc2 28.h3 f6 29.Nd7 Re1 30.Nf6 Kh8 31.Qe1 Be2 32.Rf4 d3 33.Qg3?? Qd1 34.Kh2+- Bg4?? 35.hg4 hg4 36.Rg4 Qg4 37.Qg4 d2 38.Qe2 Kg7 39.Ng4 h5 40.Nf2 d1Q 41.Qd1 Rf8 42.Nh3 Rf5 43.Qd3 Rf8 44.d6 Rd8 45.d7 Kf6 46.Qd6 Kf5 47.g3 h4 48.g4 Kg4 49.Qe7 Rd7 50.Qd7 Kf3 (50...Kf3 51.Qd3 Kg4 52.Kg2 Kh5 53.Qh7 Kg4 54.Qg6#) 1–0. lllllll21 – atanas70 (1730), kurnik, 2012.

8.c4 Nbd7 9.d4 Re8 10.Nbd2 Ne4 11.Qc2 Nd2 12.Nd2 c5 13.bc5 dc5 14.d5 Bb2 15.Qb2 Nf6 16.e4 Bc8 17.e5 Ng4 18.h3 Ne3 19.Rf3 Nf5 20.a4 Nd4 21.Rd3 Bf5 22.Rb3 Ne2 23.Kf2 Nf4 24.Nf3 Nd3 25.Rd3 Bd3 26.g4 Bc4 0–1. carocan (1665) – cehelskyy (1620), kurnik, 2012.

8.c4 Nbd7 9.h3 Re8 10.d3 e5 11.fe5= Ne5 12.Nbd2 Nf3 13.Bf3+= Bf3? 14.Qf3+- Qe7 15.Rae1?? Nd7+= 16.d4 c5 17.a3 cd4 18.ed4 Qe1 19.Re1?? Re1= 20.Kf2 Rae8 21.Bc3 Bh6 22.Ne4?? R8e4 23.Be1 Rd4?? 24.Kg1?? Ne5= 25.Qa8 Kg7 26.Bc3 Rd1 27.Kh2 Bf4+= 28.g3 Be3?? 29.Qe4+- Bg1 30.Kg2 h5?! 31.Be5 de5 32.Qe5 Kg8?? 33.Qb8 Kg7 34.Qa7 Bd4 35.Qd7 Rd2 36.Kf3 Rd3?? 37.Ke4 Rg3 38.Qd4 Kh7 39.Qb6 Rh3 40.Qf6 Kg8 41.c5 Rh4 42.Qh4 (42.Qh4 g5 43.Qg5 Kf8 44.c6 f5 45.Qf5 Ke7 46.c7 h4 47.c8Q h3 48.Qfe6) 1–0. elsh1403 – piterwb3, kurnik, 2011.

8.d3 Nbd7 9.Nbd2 Re8 10.c4 e5 11.fe5 de5 12.Qb3 c5 13.a3 Ng4 14.e4 f5 15.Rae1 f4 16.a4 Ne3 17.Rf2 a5 18.ba5= Ra5 19.h3 Bc6 20.Ra1 Qa8 21.Bd1 Nd1 22.Qd1 Ba4 23.Qe1 Bc2 24.Ra5 Qa5 25.Qe2 Qa2 26.Bc1 Nf6?? 27.Ng5?? Nh5?? 28.Nf1+/– Qa5? 29.Qc2+- Qe1 30.Re2 Qb4 31.Nf3 h6 32.Qb2 Qb2 33.Rb2 Rb8 34.Bd2 Bf8 35.Ba5! b5 36.Rb5 Rb5 37.cb5 Bd6 38.b6 Bb8 39.b7 g5 40.N3d2 Ng7 41.Nb3 Ne6 42.Nfd2 Kf7 43.Nc4 Ke7 44.Nb6 Kd8 45.Kf2 Kc7 46.Nd5 Kb7. elsh1403 (1635) – lily65 (1620), kurnik, 2011.

8.Qe1 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 12.Qh4 Qa8 13.Nc3 e6 14.Bb2 Ne4 15.Ra1 Qb8 16.Ng5 Ng5 17.fg5 e5 18.Ne4 Qd8 19.Ra7 Bc6 20.b5 Ba8 21.Ra1 f5 22.Nc3 Nc5 23.d4 Ne4 24.Bc4 d5?? 25.Bb3 ed4?? 26.ed4?? Bd4–+ 27.Kh1 Bc3 28.Bc3 Nc3 29.Qd4 Ne4 30.Ra8+/– Nf2?? 31.Kg1+- Qa8 32.Bd5 Qd5 33.Qd5 Kg7 34.Kf2 Rf7 35.Qe5 Kf8 36.h4 Re7 37.Qh8 Kf7 38.Qh7 Ke6 39.Qg6 Kd7 40.Qf5 Kd6 41.Qf6 Re6 42.Qd4 Ke7 43.h5 Rd6 44.Qe5 Kf7 45.g6 Kg8 46.Qe7 Rd2 47.Ke3 Rd7 48.Qd7 (48.Qd7 c6 49.Qf7 Kh8 50.Qf8#; 48.Qe6 Kg7 49.Qd7 Kh6 50.Kf4 Kh5 51.Qh7#) 1–0. lllllll21 – apa4i777 (1705), kurnik, 2012.

8.Qe1 c5 9.bc5 bc5 10.Nc3 Nc6 11.Rb1 Rb8 12.Qh4 d5 13.Ne5 (13.f5 e5=) 13...a6 14.Ba3 d4 (14...Qa5 15.Rb3=) 15.Na4 (15.Nc6 Bc6 16.Rb8 Qb8 17.ed4 cd4 18.Be7 dc3 19.Bf6 Qb6 20.d4 Bg2 21.Kg2 Bf6–+ (21...Qf6?! 22.Qf6 Bf6 23.d5=)) 15...Ne4 16.Nc5 Nc5 17.Bc5 f6?? (better is 17...Be5 18.fe5 Qd5+=) 18.Nc6 (18.Bc4 Qd5 19.Bd5 Rf7 20.Bf7 Kf8 21.Qh7 Ne5 22.Qg8) 18...Bc6+- 19.Bd4 (19.Rb8!? Qb8 20.f5 Qb7 21.Bc4 Bd5+-) 19...Qa5 20.Bc3 Qa2 21.Ra1 (21.f5 Qb1 22.Bc4 Kh8 23.fg6 h6 24.Rb1 Rb1 25.Kf2 Rc1+-) 21...Qc2+/– 22.Ra6 Ba8 23.Rfa1 (23.f5 gf5 24.Ra7 Qe4 25.Qe4 fe4 26.Bc4 Kh8 27.Re7 h6+-) 23...Rb1+/– 24.Rb1 Qb1 25.Kf2 g5 (25...Bd5!?+/–) 26.fg5?? (better is 26.Qg4 Bd5 27.Qd7+-) fg5–+ (26...fg5 27.Rf6 Rf6 28.Bf6 A) 28...ef6 29.Qc4 Kf8 30.Qc8 Ke7 31.Qc7 (31.Qa8?! Qf5 32.Bf3 Qd3+-) 31...Ke6 32.Bc4 (32.Qg7?! Qf5 33.Bf3 Bf3 34.Qg8 Ke7 35.gf3 Qd3+/–) 32...Bd5 33.Qc6 Ke7 34.Qc5 (34.Bd5?! Qf5 35.Ke2 Qd7+-; worse is 34.Qd5 Qb4+-) 34...Kd8 35.Qd5 (35.Bd5?! Qf5 36.Ke2 Qg4 37.Bf3 Qe6+-) 35...Kc7 36.Qf7 Kd6 37.Qg7 Qf5 38.Ke1+-; B) 28...Bf6?! 29.Qg4 Kg7 30.d4–+; C) 28...gh4 29.Bc4 Kf8 30.Bg7 Kg7–+) 0–1. Djakov,Joao – Armijo,Cristian, Internet Section, 2004.

8.h3 h5 9.c4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Nc6 13.b5 Na5 14.d3 Qd7 15.Nbd2 Ra8 16.Bc3 d5 17.Qc2 dc4 18.Nc4 Nc4 19.dc4 Be4 20.Ne5?? Bc2–+ 21.Nd7 Nd7 22.Rc1 Be4 23.Bb4 Nc5 24.Rd1 Ra2 25.Rd8 Kh7 26.Bd1 Rg2 27.Kf1 Rb2 28.Bc5 bc5 29.Rd7 Rb1 30.Ke2 Rb2 31.Kf1 c6 32.bc6 Bc6 33.Re7 Rh2 34.Rf7 Kh6 35.f5 gf5 36.Rf5 Bg2 37.Kg1=+ Rh1 38.Kg2 Rd1 39.Rc5 Rd2 40.Kf3 Rd3 41.Rc6 Kh7 42.Rc7 Kg8 43.c5 Bd4?? 44.c6?? Re3–+ 45.Kf4 Rc3 46.Ke4? Bb6–+ 47.Rc8 Kf7 48.Ke5 Re3 49.Kd5 1–0. elsh1403 – mietz, kurnik, 2011.

6.Be2 c5

7.a3 cb4 8.ab4 a6 9.b5 Nbd7 10.0-0 a5 11.c4 b6 12.d4 Bb7 13.Nc3 e5 14.fe5 de5 15.d5 e4 16.Nd4 Nc5 17.Nc6 Bc6 18.bc6 Ne8 19.Qc2 Nd6 20.Nb5 Nf5 21.Bg7 Kg7 22.Bg4 Ne7?? 23.c7+- Qe8 24.Nd6 f5 25.Ne8 Rfe8 26.Qc3 Kg8 27.d6 Nc6 28.Be2 Ne5 29.Rfd1 Ned3 30.Bd3 ed3 31.Rd3 Nd3 32.Qd3 1–0. lllllll21 (1715) – krakenisko (1735), kurnik, 2011.

7.a3 cb4 8.ab4 Bg4 9.0-0 Bf3 10.Bf3 d5 11.c4 e6 12.Qb3 Nbd7 13.c5 a6 14.Nc3 Rc8 15.Ne2 Ne4 16.Bg7 Nd2? 17.Qb2+- Nf3 18.Rf3 f6 19.Bf8 Nf8 20.Nd4 Kf7 21.c6! bc6 22.Ra6 Rc7 23.Nc6 Qd7 24.b5 Rb7 25.Qe2 Qc7 26.Rf1 Nd7 27.Rb1 Nc5 28.Ra2 Ne4 29.Rc2 Qb6 30.Rcb2 Nc3 31.Qd3 Nb1 32.Rb1 g5 33.g3 Kg7 34.Kg2 gf4 35.gf4 Qc5 36.Kf3 d4 37.Rg1 Kh8 38.Nd4 Qd5 39.Qe4 Qh5 40.Kf2 Qh2 41.Qg2 Qh4 42.Ke2 Qh5+- 43.Kd2 Qf7 44.Ne6! Rd7 45.Nd4 f5 46.Qa8 Qg8 47.Qg8# (47.Rg8#) 1–0. lllllll21 – pawel2337 (1790), kurnik, 2011.

7.a3 Nc6 8.b5 Na5 9.d3 b6 10.Nbd2 Bd7 11.0-0 Bb5 12.c4 Bc6 13.h3 Nh5 14.Qc2 Ng3 15.Rfe1 d5 16.Bg7 Kg7 17.Ne5 Ne2 18.Re2 Qd6 19.Qc3 f6 20.Ng4 d4 21.ed4+= cd4 22.Qc2 h5 23.Nf2 Rae8 24.Rae1 Rf7 25.g3 Nb7 26.Nf3?? Bf3–+ 0–1. elsh1403 – jurek35ok (1760), kurnik, 2011.

7.a3 Nc6 8.b5 Nb8 9.0-0 Bg4 10.h3 Bd7 11.c4 a6 12.a4 ab5 13.cb5 b6 14.Nc3 e6 15.Ng5 h6 16.Bf3?? Ra7?? 17.Nge4= Ne4 18.Be4 d5 19.Bf3 d4 20.Ne4 de3 21.Bg7 Kg7 22.de3 Bc8 23.Qc2 f5 24.Qc3 Kh7 25.Nf6?? Qf6–+ 26.Qf6 Rf6 27.e4 fe4 28.Be4 Bb7 29.Bd3 Bd5 30.g3 c4 31.Bc2 Nd7 32.Rae1 Nc5 33.Re5 Nd3 34.Re3 Nb2 35.h4 h5 36.Re5? Kh6 37.Rg5 c3 38.g4 hg4 39.Rg4 Na4 40.Kh2 Nc5 41.Kg3 Ra2 42.Rf2 Ne4 43.Be4 Rf2 44.Kf2 Be4 (44...Be4 45.Ke3 Bb1–+) 0–1. lllllll21 (1635) – gaby63, kurnik, 2012.

7.b5 a6 8.c4 ab5 9.cb5 Nbd7 10.0-0 Nb6 11.a4 Bf5 12.Nc3 Ne4 13.Qb3 c4 14.Bc4 Nc5 15.Bf7 Rf7–+ 16.Qd1 Nd3 17.Ba3 Nc4 18.Nd4?! Na3 19.Nf5 gf5 20.Ra3 e6 21.Qe2 Nc5 22.d4 Ne4 23.Ne4 fe4 24.Qg4 Qc8 25.Raa1 e5 26.h3?? Qg4–+ 27.hg4 ed4 28.ed4 Bd4 (28...Bd4 29.Kh2 Ba1 30.Ra1 Rf4–+) 0–1. elsh1403 – veljko69 (1710), kurnik, 2011.

7.b5 a6 8.c4 ab5 9.cb5 Be6 10.0-0 Ra2 11.Ra2 Ba2 12.Nc3 Be6 13.Ng5 Bd7 14.Qa1 h6 15.Nge4 Ne4 16.Ne4 Bb2 17.Qb2 Bf5 18.Ng3 Qd7 19.e4 Bg4 20.Bc4 b6 21.f5 e6 22.h3 ef5? 23.hg4+- fg4 24.Qf6 Kh7 25.Bf7 Rf7 26.Qf7 Qf7 27.Rf7 Kg8 28.Rb7 Nd7 29.Rd7 h5 30.Rd6 h4 31.Ne2 Kf7 32.Rb6 c4 33.Rc6 g5 34.Rc4 g3 35.Rc6 g4 36.b6 h3 37.gh3 gh3 38.Ng3 h2 39.Kh2 Ke7 40.d4 Kd7 41.Rd6! Kd6 42.Nf5 Kd7 43.Ne7! (43.Ne7 Kd8 44.e5 Ke7 45.b7 Ke6 46.b8Q Kf5 47.Qc8 Kf4 48.e6 Kf5 49.e7 Ke4 50.e8Q Kd4 51.Qc2 Kd5 52.Qec6 Ke5 53.Q2e4#) 1–0. elsh1403 – elo1989 (1650), kurnik, 2012.

7.b5 a6 8.c4 b6 9.0-0 a5 10.a4 Nbd7 11.h3 Bb7 12.d4 cd4 13.Nd4 Nc5 14.Nc3 Nfe4 15.Bf3 Nc3 16.Bc3 Bf3 17.Qf3 Bd4 18.Bd4 e5 19.Bc3 e4= 20.Qg4 f5 21.Qg3 Qe7 22.Rfd1 Nd3 23.h4 Rf6 24.h5 Re6 25.h6 Rc8 26.Bd4 Qb7 27.Rac1? Nc1–+ 28.Rc1 d5 29.c5 bc5 30.Rc5 Rc5 31.Bc5 Qc7 32.Bd4 Qc1 33.Kh2 Qb1?? 34.Qg5+= Qd1?? 35.Qd8+- Kf7 36.Qd7 Re7= 37.Qd5 Ke8 38.Qc6 Kf7 39.b6 Qh5 40.Kg1 Qd1 41.Kf2 Qd2 42.Kf1 Qd1 43.Kf2 Qd2 44.Kg1 Qd1 45.Kh2 Qh5 46.Kg3 Qg4 47.Kf2 Qh4 48.g3 Qh2 49.Ke1 Qg3 50.Kd2 Qf2 51.Kc3 Qe1 52.Kc4? Qc1?? 53.Kb5= Qc6? 54.Kc6+- Ke6? 55.b7 Rb7 56.Kb7 Kd5 57.Ka6 Kc4 58.Ka5 g5 59.fg5 f4 60.Be5 fe3 61.Bg3 Kd3 62.g6! hg6 63.h7 e2 64.h8Q e1Q 65.Be1 Ke3 66.Qg7 Kd3 67.Qg6 Ke3 68.Kb4 Kd4 69.Qe4! Ke4 70.a5 Ke3 71.a6 Kf4 72.a7 Ke3 ½–½. elsh1403 – tamikan, kurnik, 2011.

7.b5 a6 8.c4 Bd7 9.a4 ab5 10.cb5 Bg4 11.Nc3 d5 12.0-0? b6?? 13.h3 Bf5 14.Nh4 Bc8 15.Bf3 Bb7 16.g4 e6 17.Ba3 Ne4 18.Ng2 Nc3 19.dc3 Bc3 20.Rc1 Bg7 21.Re1 Qd7 22.Qe2? Rd8 23.Red1 d4 24.ed4? Bd4 25.Kh2 Bf3 26.Qf3 Ra4 27.Bc5 Qb5 28.Bd4+/– Rad4 29.Qb7?? Rd1–+ 30.Rd1 Rd1 31.Qb8 Kg7 32.f5 32...Qc6 33.Qe5 f6 34.Qe2 Qd6 (34...Qd6 35.Nf4 Qf4 36.Kg2 Rd2 37.Qd2 Qd2 38.Kg1 gf5 39.gf5 ef5 40.h4 f4 41.h5 f3 42.h6 Kh6 43.Kf1 Qe2 44.Kg1 Qg2) 0–1. elsh1403 – pavka66 (1675), kurnik, 2011.

7.b5 b6 8.0-0 Bb7 9.a4 Nbd7 10.c4 a5 11.Nc3 e6 12.Qc2 Qe7 13.d4 cd4 14.Nd4 Rac8 15.Rac1 e5 16.Nb3 e4 17.Nd4 Nc5 18.Qd1 Rfd8 19.Qe1 d5 20.cd5 Nd5 21.Nd5 Rd5 22.Qg3 Na4 23.Nc6 Bc6–+ 24.Bg7 Bb5?? 25.Rc8+/– Kg7 26.Bb5 Rb5 27.f5 Nc3? 28.f6 Kh6?? 29.Qh4+- Rh5 30.Qh5!! Kh5 31.fe7 Ne2 32.Kf2 a4 33.e8Q b5 34.Ke2 b4 35.Qa4 b3 36.Qb3 f5 37.Rh8 (37.Rh8 Kh6 38.Qb7 Kg5 39.Qe7 Kh5 40.Rh7 Kg4 41.Rf4#; 37.Rf5 Kg4 38.Rf4 Kh5 39.Qd5 Kh6 40.Rg8 g5 41.Qg5#) 1–0. elsh1403 – danielmitran, kurnik, 2012.

7.b5 b6 8.0-0 Bb7 9.a4 Nbd7 10.h3 h6 11.c4 Rc8 12.Nc3 Bf3 13.Bf3 e5 14.Qc2 ef4 15.ef4 Re8 16.Rae1 Nf8 17.f5 g5 18.Qd3 Qd7 19.Nd5 N8h7 20.g4 Nd5+= 21.Bg7 Re1 22.Re1 Nf4 23.Qc3 Nh3 24.Kh2 Nf4 25.Bh6 f6 26.Bd5 Kh8 27.Be6 Qb7 28.Qg3 Re8 29.Kg1 Qe7 30.Qe3 Qd8 31.d4 cd4 32.Qd4 Qa8 33.Bd5?? Re1–+ 34.Kf2 Qe8 35.Be6 Re2 36.Kf1 Qa8 37.Qd6 Qg2# 0–1. elsh1403 – mam2, kurnik, 2011.

7.b5 Nbd7 8.0-0 Qc7 9.a4 e5 10.fe5 de5 11.c4 e4=+ 12.Ne1 Ne5 13.Nc3 Be6 14.Qb3 b6 15.Nd5 Bd5 16.cd5 Rad8 17.d4 ed3 18.Nd3 c4 19.Qc3?? Rd5 20.Ne5+= Ne4?? 21.Qc4+- Qc4 22.Nc4 Bb2 23.Nb2 Rd2 24.Bf3 Ng5 25.Nc4 Rc2 26.Ne5 Nf3 27.Rf3 f5 28.Nc6 Rf7 29.Rd1 Kg7 30.Rdf1 a6 31.e4 ab5 32.ab5 Rb2 33.ef5 gf5 34.Rf5 Rd7 35.Ne5 Rdd2 36.Rf7 Kg8+- 37.Rf8 Kg7 38.R8f7 Kg8= 39.R7f2 (39.R7f2 Rf2 40.Rf2 Rb1 41.Rf1 Rb5 42.Rf5+-) 1–0. elsh1403 – mjacek, kurnik, 2011.

6.Be2 c6

7.0-0 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Bg4 11.d3 d5 12.Nbd2 e6 13.Ne5 Be2 14.Qe2 Nbd7 15.Ndf3 Ne5 16.Ne5 Nd7 17.Rc1 f6 18.Nf3 e5 19.c4 dc4 20.dc4 ef4 21.ef4 Re8 22.Qa2 Nb6 23.c5 Nd5 24.Rd1 Qe7 25.Bd4 Kh8 26.b5 Nf4=+ 27.bc6 Ne2 28.Kf1 bc6?? 29.Re1+- Qd7 30.Re2 Re2 31.Qe2 g5 32.Qe4 h5 33.h3 g4 34.hg4 hg4 35.Nh4 Qb7 36.Ng6 Kg8 37.Qe8 Kh7 38.Nf8 Kh8?? 39.Ne6 Kh7 40.Qh5 Kg8 41.Qg4 Qb1 42.Kf2 Qc2 43.Kg3 Kf7 44.Nd8 Ke8 45.Nc6 Kf7 46.Qd7 Kg6 47.Ne7 Kh7 48.Qf5 Qf5 49.Nf5 Kg6 50.Ng7 Kg7 51.c6 Kf7 52.c7 Ke6 53.c8Q Kd5 54.Bf6 Ke4 55.Kh4 Kd5+- 56.g4 (56.g4 Kd6 57.g5 Kd5 58.g6 Ke4 59.Qc2 Kd5 60.g7 Ke6 61.g8Q Kf6 62.Qe8 Kg7 63.Qcg6) 1–0. elsh1403 (1615) – okena (1785), kurnik, 2011.

7.0-0 b5 8.h3 a6 9.d3 Bb7 10.Nbd2 Nbd7 11.Rc1? Qb6 12.c4 Qe3–+ 13.Kh1 Nh5 14.Ne4?? Bb2 15.Rc2 Bg7 16.g4 Nf4 0–1. elsh1403 – delcrimar, kurnik, 2011.

7.0-0 b6 8.c4 Bg4 9.Nc3 Nbd7 10.Qb3 Re8 11.a4 Kh8 12.a5 b5? 13.c5?? dc5= 14.bc5 Nc5=+ 15.Qf7 a6?? 16.Ng5?? Be2 17.Ne2+= Qd2 18.Bf6?? ef6–+ 19.Nh7 Qe3 20.Kh1 Kh7 21.Ng3 Ne4 22.Rac1 Nf2 23.Rf2 Qf2 24.Rf1 Qd4 25.f5 g5 26.Nh5 Rg8 27.Qg6 Kh8 28.Nf6 Qf6 29.Qh5 Qh6 30.Qf3 Be5 31.h3 Raf8 32.Qe4 Bf4 33.Qd4 Qf6 (33...Qf6 34.Qf6 Rf6–+) 0–1. elsh1403 – colombia27, kurnik, 2011.

7.0-0 Qb6 8.a3 c5=.

7.0-0 Bf5 8.d3 Na6 9.h3 Nb4=+ 10.e4 Bd7 11.e5 de5 12.fe5=+ Nfd5 13.c3? Na6?? 14.c4? Nf4?? 15.d4=+ Ne2 16.Qe2 Bf5 17.Nh4 Bb1 18.Rab1 f6 19.e6 f5 20.Rfd1 Bf6 21.Nf3 Qc7 22.Bc1 Rad8 23.d5 b6 24.Bh6 Rfe8 25.Rbc1 c5 26.Ng5 Bg5 27.Bg5 Qg3 28.Bh6 Qh4 29.Qe3 Nb4 30.Bg5 Qh5 31.a3 Na6 32.Rf1 h6? 33.Bf4 g5+= 34.Be5 f4 35.Qc3 Qg6 36.Bh8 Kh7 37.Be5 Rf8 38.Rcd1 Rf5 39.d6?? ed6 40.Rd6?? Rd6–+ (40...Rd6 41.Bd6 Qe6–+) 0–1. elsh1403 (1605) – chessaveiro, kurnik, 2011.

7.0-0 Bf5 8.Nd4 Bd7 9.c4 e5 10.fe5 de5 11.Nf3 e4 12.Nd4 Qc7 13.Qb3 Ng4 14.Bg4 Bg4 15.Nc3 Be5 16.h3 Bh2? 17.Kh1+- Qg3?? 18.Ne4 Qe5 19.Nf6 (19.Nf6 Qf6 20.Rf6+- (20.Kh2?! Qd6 21.Kh1 Bd7+-)) 1–0. elsh1403 (1695) – kwapimat (1605), kurnik, 2011.

7.0-0 Bg4 8.c4 Nbd7 9.Nc3 Re8 10.d4 Bf3 11.Bf3 e5 12.fe5 de5 13.d5 e4 14.Be2 Qb6 15.Qd4 Qb4 16.Rab1 Ng4 17.a3?? Bd4–+ 18.ab4 Be3 19.Kh1 Nf2 20.Kg1 Nd3 21.Kh1 Nb4 22.Nd1 Nc2 23.Ne3 Ne3 24.Rfe1 cd5 25.cd5 Nd5 26.Bc4 N7b6 27.Ba2 Nb4 28.Bb3 Nd3 29.Rf1 Re7 30.Ba3 Rd7 31.Rbd1 Kg7 32.h3 f5 33.Kh2 Nd5 34.Ba4 Rdd8 35.g4 Ne3 36.gf5 Nf1 37.Rf1 gf5 38.Rf5 a6 39.Bb3 b5 40.Rf7 Kg6 41.Re7 Re8 42.Rd7?? Rad8 43.Ra7 Kf5 44.Ra6 Kf4 45.Rf6 Ke3 46.Bd6 Rc8 0–1. lllllll21 – bytow, kurnik, 2012.

7.0-0 Bg4 8.h3 Bf3 9.Bf3 Nbd7 10.c4 Rb8 11.Nc3 Qc7 12.a4 a6 13.Qb3 e6 14.Rad1 d5 15.c5 b6 16.d4 bc5 17.b5? cb5–+ 18.ab5 ab5 19.Nb5? Qb6 20.dc5 Nc5 21.Bd4 Qb5 22.Qc2 Nce4 23.Rb1 Qd7 24.Ra1 Rfc8 25.Qd3 Qb5 26.Qa3 Nd2 27.Qe7 Nf1 28.Bf6 Bf6 29.Qf6 Ne3 30.Qe5 Qb2 31.Ra7 Qe5 (31...Qe5 32.fe5 Nc4–+) 0–1. elsh1403 – danyels69, kurnik, 2012.

7.0-0 Bg4 8.h3 Bf3 9.Bf3 Nbd7 10.d3 Qc7 11.Nd2 e5 12.fe5 de5 13.Qe2 Rad8 14.c4 Rfe8 15.Be4 Ne4 16.Ne4 f5 17.Ng5 Bf6 18.h4 Bg5 19.hg5 Qd6 20.Rad1 Qb4 21.Qc2 Qe7 22.Qb3 b6 23.d4 Qg5 24.de5 Ne5 25.c5 Kg7 26.cb6=+ Rd1 27.Rd1 ab6 28.Qb6 Kh6 29.Bc1 Nf3 30.Kf2? Nh2?? 31.e4?? f4 32.Qb3?? Re4 33.Qh3+= Qh5 34.Qh5 Kh5 35.Rd7? h6–+ 36.Rf7 g5 37.g3 Ng4 38.Kg2 fg3 39.Kg3 Rc4 40.Bb2 Rc2 41.Bg7 Ra2 42.Rc7 Ra3 43.Kg2 Ne3 44.Kf2 Nf5 45.Bf8 Kg4 46.Rc6?? Ra2–+ 47.Ke1 h5 48.Rc4 Kh3 49.Bc5 g4 50.Rc3 g3 51.Bf2 h4 52.Bg1 Kg2 53.Bb6 h3 (53...h3 54.Rc8 h2–+) 0–1. elsh1403 (1715) – ejdrzej (1730), kurnik, 2012.

7.c4 Qb6 8.b5=.

7.c4 Qc7 8.d4 Nbd7 9.Nbd2 a5 10.a3 Ng4 11.Qb3 e5 12.h3 Nh6 13.fe5 de5 14.Ne4 (14.0-0!?+=) 14...ed4= 15.0-0? (better is 15.Nd4!? Re8 16.Bf3+=) 15...Re8-/+ 16.Bd3 a4 (16...de3 17.Bg7 Kg7 18.c5–+) 17.Qa2-/+ Nf6?? (17...de3 18.Bg7 Kg7-/+) 18.Nfg5?? (18.Nf6 Bf6 19.Bd4 (worse is 19.ed4 Bh3 20.d5 Bb2 21.Qb2 Bf5+=) 19...Bd4 20.ed4+= (worse is 20.Nd4 Bh3 21.Rae1 Rad8-/+)) 18...Ne4–+ 19.Ne4 Bf5 (19...de3?! 20.Rae1 f5 21.Bg7 Kg7 22.Qa1 Qe5 23.Nd6+=) 20.Rf5?! (20.Rf4 de3 21.Bg7 Kg7–+) 20...Nf5 (20...gf5 21.Nd2 de3 22.Bg7 Kg7 23.Nf3–+) 21.c5 (21.ed4 Ng3 (21...Bd4?! 22.Bd4 Nd4 23.Nf6 Kg7 24.Ne8 Re8 25.Rd1-/+) 22.Ng5 Bh6–+) 21...Re4! 22.Be4 Ne3 23.Bc1 Qf4 24.Bf3 Be5 (24...d3!? 25.Bb2–+) 25.Be3 Qe3 26.Qf2 Qf4 (26...Rd8 27.Re1 Qf4 28.g3 Qg3 29.Qg3 Bg3 30.Re7–+) 27.Rd1 Rd8 28.Rd3 Qc1 (28...Qh2 29.Kf1–+) 29.Qf1 Bh2! 30.Kf2 (30.Kh2 Qf1 Deflection) 30...Bg3! 31.Kg1 (31.Kg3 Qf1 Deflection) 31...Qf4 32.Qe2 Kf8 33.Qd2?? (33.Qf1–+) 33…Re8 (33...Re8 34.Qd1 Re1 35.Qe1 Be1–+) 0–1. Davidsen,Niels Chr – Nielsen,Jorgen Lovgren, Nordic–ch Grenaa, 1973. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 c6)

7.c4 Nbd7 8.0-0 a5 9.a3 Qb6 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.Nc3 (10.b5 cb5 11.cb5 d5=) 10...c5 (10...ab4 11.Na4 Qc7 12.ab4=) 11.ba5 (11.b5 Re8+=) 11...Qa5 12.Qc2 Nb6 13.e4 (13.Rab1 Bg4=) 13...Na4 (13...Nh5 14.f5=) 14.e5 Bf5? (better is 14...Ng4 15.Na4 Qa4 16.Qa4 Ra4=) 15.Qa4+- (15.Qa4 Qa4 16.Na4 Ra4 17.ef6 Bf6 18.Bf6 ef6 19.d3+-) 1–0. Steffens,Olaf – Fransson,Jens, Schleswig Holstein–ch M, 1994.

7.c4 Nbd7 8.0-0 a5 9.b5 e5 (9...a4!?=) 10.fe5+= Ng4 11.Nc3 de5 12.Ba3 c5 13.Ne1 Ngf6 14.d4 ed4 15.ed4 Re8 16.dc5 Qe7 17.Rf2 Qe5 18.Rc1 Nc5 19.Nf3 (19.Bb2 Qe7 20.Ba3 Qe3 21.Bc5 Qc5+=) 19...Qe3+= 20.Bc5 Qc5 21.Na4 Qc7 (21...Qe3 22.Rc3 Qh6 23.Nd2–+) 22.Nd2 Bf5 23.b6 Qe5 24.Bf3 Rad8 25.Qf1? (better is 25.Nc3-/+) 25...Bh6–+ 26.Nb3 (26.Bb7 Rd2 27.Rf5 gf5–+) 26...Bc1 (better is 26...Bd3 27.Re2 Be2 28.Be2 Qe2–+) 27.Qc1 Qe1 (27...Ng4!? 28.Bg4 Bg4 29.Rf1–+) 28.Rf1 Qb4 29.Nac5? (better is 29.Nbc5!? Rd4 30.a3 Qc4 31.Bb7 Qc1 32.Rc1-/+) 29...a4 30.a3?? (30.Nb7 ab3 31.a3–+) 30...Qb6 31.Kh1 ab3 32.Nb7 b2 (32...b2 33.Nd8 bc1Q 34.Rc1 Qe3 35.Rg1 Be4 36.Ne6 Bf3 37.Nd4 Bg2 38.Kg2 Qd4 39.Re1 Re1 40.a4 Re2 41.Kf3 Qe3) 0–1. Kaenel,Hansjuerg – Schauwecker,Meinrad, Arosa U20, 1972. (=1.e3 Nf6 2.f4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 c6)

7.0-0 Nbd7

8.c4 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Bc3 Ne4 13.Bg7 Kg7 14.Qc2 f5 15.d3?? Qe3–+ 16.Kh1 Nf2 17.Rf2 Qf2 18.Qb2 Nf6 19.h3 Bd7 20.Nc3 Qe3 21.g3 Nh5 22.Kg2 Qa7?? 23.Nb5+- Kg8 24.Na7 Nf6 25.Ng5 e5 26.fe5 de5 27.b5 Ra8 28.b6 Re8 29.Bf3 h6 30.Nc6! bc6 31.b7 hg5 32.b8Q Rb8 33.Qb8 (33.Qb8 Kf7 34.Qe5+-) 1–0. lllllll21 – l3aarrccaa1, kurnik, 2011.

8.c4 a5 9.b5 cb5 10.cb5 Qb6 11.Nc3 Nc5 12.a4 Bg4 13.h3 Bd7 14.d4 Ne6 15.Qb3 Nh5 16.Nd5 Qd8 17.Rfc1 Ng3 18.Bd3 Rc8 19.Rc8 Bc8 20.Rc1 Nc7?? 21.Rc7+- e6 22.Ne7 Kh8 23.Qc2 Bf6 24.Nc8 e5 25.fe5 de5 26.de5 Bg7 27.Rb7 Qc8 28.Qc8 Rc8 29.Rf7 Re8 30.Ng5 Be5 31.Be5 Re5+- 32.e4 Rg5 33.b6 Nh5 34.b7 Nf4 35.Rf4 Rc5 36.b8R Kg7+- 37.Rbf8 Rc1 38.Kh2 Ra1 39.R8f7 Kh6 40.Rh4 Kg5 41.Rg4 Kh6 42.e5 Rd1 43.Bb5 Rd5 44.e6 Rg5 45.Rg5 Kg5 46.e7 h5 47.e8N h4 48.Rg7 Kf4 49.Rg6 Ke3 50.Re6 Kd4 51.Re4! Kc5 52.Nd6! Kd5 53.Rd4! (53.Rd4 Kd4 54.Nf5 Ke5 55.Nh4+-) 1–0. elsh1403 (1625) – cmr3, kurnik, 2012.

8.c4 Qc7 9.Nc3 e5 10.fe5 de5 11.a4 Re8 12.Qb3 e4 13.Ng5 h6 14.Nh3 Ne5 15.c5 Bh3 16.gh3 Nd3 17.Bd3= ed3 18.Rf3 Rad8 19.Raf1 Re6 20.Nd1 Qe7 21.Nf2 Nd5 22.Nd3 Bb2 23.Qb2 f5 24.Nf4 Nf4 25.Rf4 Qd7 26.d4 Qe7 27.Qg2 Kh7 28.h4 Re3 29.h5 Rg8 30.Kh1 Re2 31.Qh3+= Qg5 32.hg6 Rg6 33.Rf5 Qg2 34.Qg2 Reg2? 35.Rf7+- Rg7 36.Rg7 Rg7 37.Rf4 h5 38.h4 1–0. elsh1403 – tepid, kurnik, 2012.

8.c4 Qc7 9.Nc3 e5 10.fe5 de5 11.Rc1 Re8 12.a4 a5 13.b5 Nc5 14.d4 ed4 15.ed4 Nce4 16.Ne4 Ne4 17.Bd3 f5 18.Be4 Re4 19.Ng5 Rg4 20.Qd2?? Bh6–+ 21.d5 Bg5?? 22.Qc3+= Qe7 23.Qh8 Kf7 24.Qg7 Ke8 25.Rce1? Re4?? 26.Re4 Qe4 27.Qg8 Kd7 28.Qf7? Be7?? 29.Bf6 cd5 30.cd5?? b6?? 31.d6+= Bb7 32.Qe7 Qe7 33.Be7 Rc8+= 34.Rd1 Rc2 35.g3 Rg2 36.Kf1 Rh2 37.Rc1?? Rh1–+ 38.Ke2 Rc1 39.Ke3 Rd1 40.Kf4 Rd6 41.Bd6 Kd6 42.Kg5 Ke5 43.Kh6 Bd5 44.Kh7 g5 45.Kg6 f4 46.Kg5 f3 47.Kg4 f2 (47...f2 48.Kh3 f1Q 49.Kh4 Bf7 50.g4 Kf4 51.g5 Qh1) 0–1. elsh1403 – bogce (1955), kurnik, 2011.

8.c4 e6 9.a4 d5 10.Qb3 dc4 11.Qc4 Nd5 12.Bg7 Kg7 13.Qd4 Qf6 14.Ne5 Ne5 15.fe5 Qe7 16.e4 Nb4 17.Qe3? Nc2–+ 18.Qf3?? Na1 19.Nc3 Nc2 20.Bd3 Nd4 21.Qe3 c5 22.Nb5 Nb5 23.Bb5 a6 24.Bc4 Bd7 25.d4 cd4 26.Qd4 Ba4 27.Be6 Qe6 28.Qa4 Qe5 29.Qd7 b5 30.Re1 a5 31.h4 a4 32.h5 a3 33.hg6 hg6 34.Qc6 a2 (34...a2 35.Qc2 a1Q 36.Ra1 Ra1 37.Kf2 Rd8 38.Kf3 Qh5 39.Kf2 Qh4 40.Ke2 Re1 41.Kf3 Rf1 42.Ke3 Qg3 43.Ke2 Re1#) 0–1. elsh1403 – tepid, kurnik, 2012.

8.h3 Qc7 9.d3 c5 10.a3 b6 11.Nbd2 Bb7 12.c4 e6 13.Qc2 Rfc8 14.Rac1 cb4 15.ab4 a5 16.b5 Nc5 17.d4 Nce4 18.Ne4 Be4 19.Bd3 Bb7 20.Qe2 Ne4 21.Be4 Be4 22.c5 dc5 23.dc5 bc5 24.Be5 Be5 25.Ne5 a4 26.Rc4 Bd5 27.Rcc1 a3 28.Ra1 a2 29.e4 Bb3 30.Qb2 c4 31.Ng4 Qc5 32.Kh1 Qb5 33.Nf6 Kf8 34.Nh7 Ke7 35.Qf6 Ke8 36.Qh8 Kd7 37.Rfd1?? Bd1–+ 38.Rd1 Kc6 39.Qd4 Rd8! (39...Rd8 40.Qd8 Rd8–+) 0–1. elsh1403 – mjacek, kurnik, 2011.

6.Be2 Nc6

7.b5 Na5 8.0-0 b6 9.h3 Bb7 10.d3 Re8 11.Nbd2 e6 12.c4 d5 13.a4 Nd7 14.Ne5 Ne5= 15.fe5 Qg5 16.Bd4 Be5?? 17.Nf3+/– Bd4 18.Ng5 Be3 19.Kh1 Bg5 20.Qc2 Bh6 21.Bf3 Bg7 22.Rae1 Rad8? 23.Rf2?? Bd4+= 24.Rfe2 dc4 25.dc4 Bf3 26.gf3 e5 27.Kg2 f5 28.h4 Kg7 29.h5 Kf6 30.hg6 hg6 31.Rh1 Rh8 32.Ree1 Be3?? 33.Re3+- Rh1 34.Kh1 Rh8 35.Kg2 Rh5 36.Qc3 Rg5 37.Kf2 f4 38.Re4 Rf5 39.c5 Nb7 40.cb6 cb6 41.Qc6 Kg5 42.Qb7 (42.Qb7 Kh6 43.Qa7 Rh5 44.Qb6 Rh2 45.Kg1 Rd2 46.Qf6 Rd1 47.Kf2 Rd5 48.Rc4 Rd7 49.Rc6 Rd2 50.Ke1 Rd1 51.Kd1 Kh7 52.Qg6 Kh8 53.Rc8#) 1–0. elsh1403 – parsu (1670), kurnik, 2012.

7.b5 Na5 8.0-0 d5 9.Ne5 Ne4 10.d3 Nd6 11.Bc3 b6 12.Bf3 Nb5 13.Ba5 ba5 14.c4 dc4? 15.Ba8+- cd3 16.Be4 Bf5 17.Bf5 gf5 18.Nd2 Nc3 19.Qb3 Ne2 20.Kh1 e6 21.Rae1 Qh4 22.Ndf3 Qh5 23.Qd3 Ng3 24.Kg1 Nf1 25.Rf1 Bf6 26.Qb5 Kh8 27.Nd7 Qh6 28.Nf8 Qf8 29.Ne5 Be5 30.Qe5 Kg8 31.Rf3 Qg7 32.Rg3 (32.Rg3 Qg3 33.hg3+-) 1–0. lllllll21 (1680) – potkolienka, kurnik, 2012.

7.b5 Nb4 8.a3 Nbd5 9.c4 Nb6 10.a4 Nbd7 11.0-0 h6 12.d4 a6 13.Nc3 ab5 14.ab5 Ra1 15.Qa1 Nb6 16.c5 dc5 17.dc5 Nbd7 18.Rd1 Qe8 19.c6 bc6 20.bc6 Nc5 21.Nd4 Nfe4 22.Ne4 Ne4 23.Bf3 Nd6 24.Qa7 e5 25.fe5 Qe5 26.Re1 Nc4 27.Bc3 Ne3 28.Bd2?? Qd4+= 29.Be3 Qa7 30.Ba7 Be5?? 31.Re5+- f6 32.Re7 Rf7 33.Bd5 Kh8 34.Rf7 Be6 35.Be6 (35.Be6 Kg8 36.Rc7 Kh8 37.Bd4 h5 38.Bf6#) 1–0. elsh1403 – zase, kurnik, 2011.

7.b5 Nb8 8.0-0 a6 9.c4 ab5 10.cb5 Bg4 11.a4 b6 12.Nc3 Nbd7 13.h3 Bf3 14.Bf3 Ra5 15.d4 e6 16.Ba3 Re8 17.Bb4 Ra7 18.Qb3 d5 19.a5 ba5 20.Ra5 Ra5 21.Ba5 Nb6 22.Be2 Bf8 23.Rc1 Qa8 24.Bb6 cb6 25.Na4 Qb7 26.Rc6 Ne4 27.Nb6 Qe7 28.Bf3 Nd2 29.Qd1 Nf3 30.Qf3 Qh4 31.Qg4?? Qe1+= 32.Kh2 Qe3 33.Nd7 Qd4 34.Qg5 Be7 35.Qg3 Kg7 36.b6+= Rd8?? 37.b7+/– Qb4 38.b8Q?? Rb8+= 39.Nb8 Qb8 40.Qc3 f6 41.Rc7= Kf7 42.Qc5 Qd8 43.Qc6 g5 44.fg5 fg5 45.Qc1 Kg6 46.Qc2 Kh5?? 47.g4 Kh6= 48.Rc8 (48.Rc8 Bd6 49.Kg2=+) 1–0. elsh1403 – wgwl, kurnik, 2012.

7.b5 Nb8 8.0-0 Bd7 9.c4 a6 10.a4 ab5 11.cb5 c6 12.Nc3 cb5 13.ab5 Ra1 14.Qa1 Bg4 15.h3 Bf3 16.Bf3 Qc7 17.Rc1 Nbd7 18.Nd5 Qd8? 19.Nf6 Nf6 20.Bb7 Qb6 21.Ba6 1–0. lllllll21 (1610) – bradipoepace (1670), kurnik, 2012.

7.b5 Nb8 8.0-0 Nbd7 9.c4 Re8 10.d4 e5 11.fe5 de5 12.de5 Ng4 13.Bd4 Nge5 14.Qc2 c5 15.bc6 bc6 16.Ne5 Ne5 17.Bf3?? Bf5 18.Qc3 f6?? 19.Bc6?? Nc6–+ 20.Nd2 Nd4 21.ed4 Rc8 22.Nf3 Qb6 23.c5 Qe6 24.Rae1 Qf7 25.Rd1 Qe6 26.Rfe1?? Qf7 27.d5?? Re1–+ 28.Ne1 Qe8 29.c6 Be4 30.Qc4 f5?? 31.d6+- Kh8 32.d7 Qd8 33.dc8Q Qc8 34.Nf3 Bc6 35.Rc1 Qe8 36.Qc6 Qe3 37.Kh1 h5 38.Re1 Qf4 39.Qg6 Qb4 40.Re8 Bf8 41.Qf6 Kg8 42.Qg6 Kh8 43.Qh5 Kg8 44.Qg6 Kh8 45.Rf8! Qf8 46.h4 Qg7 47.Qh7 (47.Qh7 Kh7 48.Kh2–+) 1–0. lllllll21 – ronef, kurnik, 2012.

6.Be2 Nbd7

7.0-0 b6 8.a4 (8.Nc3 Bb7=) 8...c5 9.bc5 bc5 10.Na3 (10.Nc3 Rb8 11.Rb1 Qa5=) 10...Rb8+= 11.Rb1 Bb7 12.c4 (12.Nb5 a6 13.Nc3 Qa5+=) 12...Bc6 13.Nb5 a6 14.Nc3 Qc7 (14...Qa5 15.Qc2+=) 15.Qc2= Rb6 16.d4 (16.Ba3 Rfb8=) 16...Rfb8 (better is 16...e6+=) 17.Nd2? (better is 17.d5!? Ba8 18.Nd2=) 17...Bg2! 18.Kg2 Qb7 19.Bf3 (19.Kg1 Rb2 20.Qd3 Qc8–+) 19...Rb2–+ 20.Qd3 (20.Bb7?? Rc2 21.Kf3 Rd2–+) 20...Qc7 21.Nb5 Rd2! (21...ab5?! 22.Rb2 ba4 23.Rb8 Qb8 24.Rb1=) 22.Qd2 ab5 23.cb5 cd4 24.Qd4?? (better is 24.ed4 Nb6 25.Rfc1–+) 24...Qc2–+ 25.Kg1 (25.Kh3 Ng4! 26.Rb2 Bd4 27.Rc2 Ne3–+) 25...Ng4! 26.Bg4 (26.Bg4 Bd4 Discovered attack) 26...Bd4 27.ed4 Nf6 28.Bf3 Qa4 0–1. Valls Marti,Artur (2130) – Kunal,Kakumanu (1900), 18th Obert Internacional Sant Marti Gro, 2016. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 Nbd7)

7.0-0 e5 8.fe5 Ng4 9.c4 Nge5 10.Ne5 Ne5 (10...de5 11.Qc2=) 11.d4 Nd7 12.Bf3 (12.Nc3 Nf6=) 12...c5 (12...Qg5 13.Re1=) 13.bc5 dc5 14.Qb3 Qg5 (14...Qb6 15.Na3=) 15.Nd2 (better is 15.Na3!?+=) 15...cd4+= 16.Ne4 (16.Rae1!? Nc5 17.Qa3 de3 18.Bg7 Kg7 19.Re3=) 16...Qe3-/+ 17.Qe3 de3 18.Bg7 Kg7 19.Nd6 Nc5 (better is 19...f5!?–+) 20.Rfe1-/+ Be6 21.Re3 Rad8 22.Nb7 Nb7 23.Bb7 Bc4 24.Rc3 (24.Rc1 Be6-/+) 24...Be6 25.Rc7 Rd7 26.Rd7 Bd7 27.Rc1 Be6 28.Rc7 Ba2 (28...Rd8 29.Bf3 Rd7 30.Rd7 Bd7 31.Kf2–+) 29.Bf3 a6 30.Rc6 a5 31.Ra6 Rb8 32.Ra5 Rb2 33.h3 h5 34.Bd5 (34.g4 hg4 35.hg4 Kf6+=) 34...Bd5-/+ 35.Rd5 h4 36.Rd3 Kh6 37.Rf3 f5 38.Ra3 Kg5 39.Rf3 Kf6 40.Rc3 Re2 41.Kf1 Re6 (41...Rd2 42.Rc6 Kg5 43.Ra6-/+) 42.Kf2 Ra6 43.Rb3 g5 44.Kf3 Ra5 45.Re3 Ra4 Black plans g4 46.Rb3 g4 (46...Kg6 47.Rb6 Kh5 48.Rb5+=) 47.hg4 fg4 48.Ke3 Ra5 (48...Ra2 49.Rb6 Ke5 50.Rb5 Ke6 51.Rb6 Kf5 52.Rb5 Kg6 53.Rb6 Kg7 54.Rb7 Kg8 55.Rb8 Kf7 56.Rb7 Ke8 57.Rh7=) 49.Kf4= Ra4 50.Ke3 Ra5 ½–½. Nunez,Omar (1895) – Robichaud,Louis (2055), Championnat Ouvert Du Quebec Section A, 2016. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 Nbd7)

7.0-0 Re8 8.a4 c6 9.Na3 Rb8 10.Qe1 Nb6 11.Nc4 Nbd5 12.c3 Ne4 (12...c5 13.bc5 dc5 14.Nce5=) 13.Bd3 Nef6 14.Qh4 Nh5 15.Ng5 (15.g4 Nhf6 16.g5 Nh5+=) 15...h6 (15...e5 16.Qf2 ef4 17.e4 Qg5 18.Nd6 Nb4 19.Bc4–+) 16.Nf3 Bf6 17.Qe1 e5 (17...Be6 18.Be2=) 18.fe5+= de5 19.Be4 b6 (19...Bg7 20.Qf2 Qc7 21.Bc2=) 20.b5 (20.Qf2 Qc7+=) 20...Bg7 21.Qb1 (21.bc6 Ba6 22.d3 f5 23.Bd5 Qd5 24.Nce5 Be5=) 21...f5 (21...Bb7 22.Bc2=) 22.Bc2+= c5 (22...Qc7 23.Ba3 Rd8 24.e4 cb5 25.Qb5 fe4 26.Be4=) 23.Nce5 (23.e4 Ndf4+=) 23...Be5 (23...Re5!? 24.c4 Ne3 25.Ne5 Nf1 26.Qf1 Qd2–+) 24.Ne5+= Re5 25.c4 Ne3 (25...Re6 26.cd5 Qd5 27.Rf2+=) 26.Be5+/– (26.de3?! Re3 27.a5 Qg5+=) 26...Nf1 27.Qf1 (27.Bb8?! Be6 28.Qf1 Qb8+-; 27.Kf1 Rb7 28.Qe1 Re7+=) 27...Rb7 28.Bc3 Qg5 (28...Qd6 29.Re1 Re7 30.Re7 Qe7 31.Qf2+/–) 29.Re1 (29.Qf3 Rd7 30.Qa8 Qd8+/–) 29...Re7 30.Bd1 Ng7 31.Re7 Qe7 32.Qe2 (32.a5!?+/–) 32...Qe2= 33.Be2 Bb7 (better is 33...Ne6!?=) 34.Be5+/– Ne6 35.Bb8 Nf8 36.Kf2 (better is 36.Ba7!? Nd7 37.a5 ba5 38.d4 cd4 39.Bd4+-) 36...a6 37.Bf3 Bf3 38.Kf3 ab5 39.cb5 Nd7 40.Bc7 Kf7 41.Ke3 Ke6 42.h4 Kd5 43.Bf4 h5 44.Bc7 Ke6 (44...Kc4 45.Kf4 Kb4 46.Kg5=) 45.a5 ba5 46.b6 (46.Ba5 Kd5 47.Bd8=) 46...c4 (46...a4 47.Kd3 Kd5+=) 47.Kd4+/– a4 48.b7 (48.Kc4 a3 49.Kc3 Nc5+/–) 48...a3+= 49.Kc3 (49.Kc4?? a2 50.d4 a1Q 51.d5 Ke7–+) 49...Kd5 50.b8Q Nb8 51.Bb8 a2 (51...Ke6!?+/–) 52.Kb2+- Kd4 (52...a1Q 53.Ka1 Ke4 54.Kb2+-) 53.Bf4 a1Q 54.Ka1 c3 55.Kb1 cd2 56.Kc2 Ke4 57.g3 Kf3 58.Kd2 Kg4? (58...Ke4 59.Ke2 Kd4+-) 59.Ke3 g5 (59...Kh3+-) 60.hg5 (60.hg5 Kh3 61.g6 Kh2 62.g7 Kg2 63.g8Q h4 64.Qd5 Kh2 65.Kf2 hg3 66.Bg3 Kh3 67.Qf5) 1–0. Sorensen,J – Araiza Nieto,Victor Fernando (2115), Fide Mercenarios 3th, 1995. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

7.d4 b6 8.0-0 Bb7 9.c4 c5 10.bc5 bc5 11.d5 Nb6 12.Qc2 Qe8 13.a4 e6 14.a5 Nbd7 15.a6 Bc8 16.de6 Qe6 17.Ra3 Nb8 (better is 17...Rb8=) 18.Ng5+/– Qe8 19.Bf3 Nc6 20.Ne4 (20.Qd2!? Bd7 21.Qd6+-) 20...Ne4+/– 21.Bg7 Kg7 22.Qe4 (worse is 22.Be4 Rb8=) 22...Bd7 23.Nc3 (23.Qd5 Qe7 24.Rd3 Rad8+/–) 23...f5 (better is 23...Nb4!?+=) 24.Qe8+- Rfe8 (24...Rae8 25.Nb5 Re7 26.Rd1+-) 25.Nb5 Re6 26.Nc7 Rc8 27.Ne6 Be6 28.Rd1 Bc4 29.Rd6 Nb4 30.Rd7 Kh6 31.Ra7 Bd3 (31...Ba6 32.R7a6 Na6 33.Bb7+-) 32.Rb7 (better is 32.h3!? g5+-) 32...Ba6 33.Rb4! cb4 34.Ra6 b3 35.Rb6 Rc3 36.Bd5 (36.Kf1 Re3 37.Kf2 Rd3+-) 36...Re3 (36...Rc1 37.Kf2 Rc2 38.Kg3+-) 37.Rb3 Re1 38.Kf2 Rd1 39.Bf3 Rd4 40.Ke3 Rd6 41.Rb8 1–0. Kristensen,Alfred – Blom,Alvar Gunnar, IBCA–ol blind, 1972. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 Nbd7)

7.0-0 c6

8.c4 e5 9.fe5 Ng4 10.Qb3 Nde5 11.Ne5 Be5 12.Be5 de5 13.Qc3 Qg5 14.Na3 Nf6 15.Kh1 Be6 16.d4 Ne4 17.Qc1 Rad8 18.Bf3 Nf6 (18...Qh4!? 19.Be4 Qe4 20.de5 Rd3+=) 19.Qc3 e4 20.Bd1 h5 21.d5 (21.Rf4 h4+=) 21...Ng4 (21...Bf5 22.dc6 Rd3 23.Qc1 Qe3 24.Qe3 Re3 25.Nc2=) 22.Bg4 (better is 22.de6!? Ne3 23.Rg1+/–) 22...Bg4= 23.dc6 Rd3 24.Qb2 bc6 (worse is 24...Qe3 25.Rae1 Qb6 26.cb7 Qb7 27.c5+=) 25.b5 Qe3 26.Nc2 Qg5 27.Nb4? (better is 27.bc6 Rd2 28.Rg1-/+) 27...Rd2–+ 28.Qc3?? (28.Qf6 Qf6 29.Rf6 cb5 30.cb5–+) 28...Bf3! (28...cb5?! 29.Nd5 f5 30.Nf4+=) 29.Qd2 (29.gf3 Qg2 Mate attack) 29...Qd2 30.gf3 Qb4 31.bc6 Qd6 (31...ef3 32.Rf3 Qc4 33.Rf2–+) 32.c5 (32.fe4 Qc6 33.Rae1 Re8–+) 32...Qc6 33.Rac1 ef3 34.Rf2 Re8 35.Kg1 Re2 (35...Qd5 36.Kf1 Qd3 37.Kg1 Re2–+) 36.a3 (36.Re2 fe2 37.Kf2–+) 36...Qe4 37.Rcf1 Qg4 (37...Qe3 38.h4 Rf2 39.Ra1 Rg2 40.Kh1 Qe6 41.Rc1 Qh3) 38.Kh1 Qg2! (38...Qg2 39.Rg2 fg2 40.Kg1 gf1R 41.Kf1 Rh2–+) 0–1. Chiarion,E (1895) – Chierici,M (2035), EYg18, Herceg Novi MNE, 2008.

6.Be2 e5

7.fe5 Nfd7 8.0-0 ½–½. Gundersen,Helge (2240) – Nordby,Bernt (2150), 12th ch–Euro Seniors, 2012. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 e5)

7.fe5 Ng4

8.0-0 Ne5 9.d4 Ng4 10.Qd3 f5 11.e4 (better is 11.h3!? Nf6 12.Qb3 d5 13.c4=) 11...fe4+= 12.Qe4 d5 13.Qd3 Bf5 (13...Qd6 14.Nbd2 Bh6-/+ (14...Qb4 15.Ba3 Qa4 16.Bf8 Bf8 17.h3+/–)) 14.Qb3= Re8 15.Ne5 (15.Re1 Bh6 16.Kh1 Be3+=) 15...Ne5+= (worse is 15...Be5 16.de5 Ne5 17.Rf5 gf5 18.Be5+=) 16.de5 Be5 (16...c6!?+=) 17.Rf5= (17.Rf5 gf5 18.Be5+=) 1–0. Gantet – Pozharskiy, corr WT/M ICCF, 1986. (=1.f4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 e5)

8.0-0 Nc6

9.b5 Nce5 10.Ne5 Ne5 11.Nc3 (11.d4 Nd7+= 12.e4+=) 11...Be6= 12.Rb1 (12.Rf4=) 12...Nc4 (12...f5 13.Rf4=) 13.Ba1 (13.Bc4 Bc4 14.d3 Bc3 15.Bc3 Ba2+=) 13...d5 14.Bc4 dc4 15.Ne4 Ba1 16.Ra1 f5 17.Nc3 a6 18.Rb1 ab5 19.Rb5 b6 20.Rf2 Ra3 21.Qb1 Qd7 22.h3 f4 (22...Qd6!?=) 23.ef4 Qd4 24.Qe1 Rf6 (24...Bd7 25.Rd5 Qg7 26.Re5+/–) 25.Re5 Bf7? (better is 25...Qd7+/–) 26.Nb5+- Qb2 27.Na3 Qa3 28.Qa1 (28.f5 gf5 29.Ref5 Rf5 30.Rf5 Qd6+-) 28...c3 29.Qc3 Qc3 30.dc3 Ba2 31.Re7 Rc6 (31...Rf7 32.Rfe2+-) 32.Rd2 (32.Rd2 Bf7 33.g3+-) 1–0. Conner,Troy – Mayer,Steve, Turkey Shoot op, 1982.

9.b5 Nce5 10.Ne5 Ne5 11.d4 Nd7 12.e4 Nc5 13.Nc3 (13.dc5? Bb2 14.Nd2 Bd4 15.Kh1 Ba1 16.Qa1 dc5–+) 13...Ne6 14.Na4 Qg5 15.Kh1 Bd7 16.Bc1 Qh4 17.c3 Qe4 18.Nb2 Qh4 19.a4 c5 20.g3 Qe7 21.Bf3 cd4 22.Nc4 (22.c4 Nc5–+) 22...Rac8 23.Qe2 dc3 24.Ba3 Rc4! 25.Qc4 Rc8 (25...Nd4 26.Rae1 Be6 27.Qc3 Nb5 28.Qd3 Na3 29.Qa3-/+) 26.Qe4 c2 27.Rac1 Bf8 28.Qb7 Nd4 29.Qa7? (29.Rce1 Be6 30.Re6 Qe6 31.Bd5–+) 29...Nf3–+ 30.Rf3 Bc6 31.Qf2 Bf3 32.Qf3 Bh6 33.Kg2? (33.Rf1 c1Q 34.Bc1 Bc1–+) 33...Qa7 (33...Bc1 34.Bc1 Qe1 35.Qe3 Qe3 36.Be3–+) 34.Qg4?! f5 35.Qb4? Qb7 36.Kh3 Bc1 37.Bc1 Qf3 38.Qd6 Re8 39.Qd7 Qg4 40.Kg2 Qe2 41.Kh3 Qh5 42.Kg2 Re2 (42...Re2 43.Kg1 Qh2 44.Kf1 Qg2) 0–1. Weiss,Si (2035) – Kull,F (2165), 12th IHEM, Hamburg GER, 2009. (=1.e3 Nf6 2.f4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6)

9.Nc3 Nce5 10.Rb1 (10.Ne5 Ne5 11.d4 Nc6+=) 10...Nf3 11.gf3 (11.Bf3 Qh4 12.h3 Ne5=) 11...Nh6 (11...Nf6 12.a4+=) 12.Kh1 (12.f4 d5=) 12...d5 13.Na4 d4 14.Nc5 b6 15.Nb3 Nf5 16.e4 Nh6 17.Qe1 Be6 18.Qf2 Can d4 get defended? 18...Bb3 19.ab3 (worse is 19.cb3 d3 20.Bg7 Kg7-/+) 19...f5 (19...c6 20.b5=) 20.Bc4 Kh8 21.d3 (21.Bd5 fe4 A) worse is 22.Ba8 Rf3 (worse is 22...Qa8 23.Bd4 Nf5 24.Bg7 Ng7 25.Kg1+/–) 23.Qg1 Qa8=; B) 22.Qd4+=) 21...fe4-/+ 22.de4 Ng4 23.Qd2 Ne3 24.Rf2 c5 25.Ba6 (25.Bd3 cb4 26.Qb4 Qh4-/+) 25...Qf6 26.Rg1 Rae8 27.Bd3 Qf4 28.bc5 bc5 29.Qa5 Re5 (29...Qh4 30.Qd2-/+) 30.Qc7 (30.Qa7 Qh4 31.Re2 Rg5 (31...Rf3?! 32.Re3 de3 33.Qc7+=) 32.Rg5 Qg5=) 30...Qh4 31.Rg3?? (31.Re2 Qh5 32.Re3 de3 33.Rg2=) 31...Nd1–+ 32.Bd4 cd4 33.Rf1 (33.Rd2 Re7 34.Qe7 Qe7 35.Rd1 Be5–+) 33...Ne3 (better is 33...Rh5 34.Rg4 Nf2 35.Rf2 Qf2–+) 34.Ra1 (34.Rf2 Ng4! 35.fg4 Rf2 36.Qb8 Rf8 37.Qa7–+) 34...Rh5 35.Rgg1 (35.h3 Be5 36.Qc5 Rb8 37.Qe5 Re5–+) 35...Be5 (35...Be5 36.Qe5 Re5–+) 0–1. Azevedo,J – De Freitas,Marcio Elisio, Sao Paulo zt, 1960. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 e5)

9.Nc3 Nge5 10.Ne5 de5+= 11.b5 Ne7 12.Bc4+=.

9.c4 Nge5 10.Ne5 de5 11.b5 Ne7 12.Nc3 Bf5 13.d3 (13.g4 Be6=) 13...c6 (13...a6 14.a4=) 14.bc6+= bc6 15.Na4 (15.Ba3 Bh6 16.Qd2 Qb6+=) 15...Qc7 (15...Rb8 16.Ba3=) 16.Qe1 Bc8 (16...Be6 17.e4=) 17.e4 Rb8 18.Ba3 f6 (18...f5 19.Qd2+=) 19.Rb1 Rb1 20.Qb1 Rf7 (20...f5 21.Qb4 Bf6 22.Qd2+=) 21.Bc5 g5 22.Qb4 Ng6 23.g3 Bf8 24.Rb1 Qd8 25.Qc3 (25.Qb8 Bc5 26.Nc5 Qd4 27.Kh1 Rf8 28.Qa7 f5 29.ef5 Bf5=) 25...Bc5= 26.Nc5 Qd6 27.Nb3 Nf8 ½–½. Fuller,Maxwell L – Cafferty,Bernard, BCF–ch, 1970. (=1.f4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 e5)

4.f4 a5

5.b5 0-0 6.Be2 d6 7.Nf3 Nbd7 8.0-0 Nc5 9.a4 c6 10.Qe1 Bd7 11.Qh4 Nd5 12.Bg7 Kg7 13.c4 Nb4 14.Nc3 Ncd3 15.Qg3 Be6 16.h4 (better is 16.Bd3!? Nd3 17.Nd4 Bc4 18.bc6 bc6 19.Nc6=) 16...Bc4-/+ 17.h5 cb5 18.Nh4 (18.ab5 Qd7-/+) 18...e6 19.f5 Ne5 (better is 19...Nc2!? 20.hg6 A) 20...Na1?? 21.f6 Qf6 22.gh7 (worse is 22.Rf6 Ne5 23.Rf7 Rf7 24.gf7 Kf7+-) 22...Kh8 23.Rf6+-; B) 20...fg6 21.Ng6 B1) 21...Na1 22.Nf8 Kh8 23.Ne6+- (23.Ra1?! Qf8 24.fe6 Qe7+=); B2) 21...Rf5 22.Ne7 Kh8 23.Nf5 ef5 24.Rab1=; B3) 21...hg6 22.Qg6 Kh8+/–) 20.d4 Be2 21.Ne2 Nd7 22.hg6 fg6? (better is 22...Nf6!?+=) 23.Ng6 hg6 24.Qg6 Kh8 25.Qh5 (25.Rf3 Qh4 26.Qe6 Nc2+-) 25...Kg7? (25...Kg8 26.fe6 Nf6 27.Qg5 Kh8 28.Nf4=) 26.Qg4?? (better is 26.Nf4 Kg8 27.Qg4 Kh8 28.Kf2 Qh4 29.Qh4 Kg8 30.Qg4 Kf7 31.fe6 Ke8 32.ed7 Kd8 33.Ke2 Rf4 34.Rf4+-) 26...Kf7?? (26...Kh8 27.Qh5 Kg7+/–) 27.Qg6 (27.Qg6 Ke7 28.Qe6#) 1–0. Asoobar,Sadegh – Amir Esmaili,Ramin, Fajr op, 1993. (=1.e3 Nf6 2.f4 g6 3.b4 Bg7 4.Bb2 a5)

5.b5 a4 6.Nf3 d6 7.Be2 Nbd7 8.0-0 0-0 9.a3 b6 10.c4 Bb7 11.d4 e6 12.Nc3 Ne4 13.Na4 Ndf6 14.Nc3 Nc3 15.Bc3 Ne4 16.Qc2 c5 17.Bd3 f5 18.Be4 Be4 19.Qd2 Qf6 20.Rfc1 h6?? 21.d5 Qf7+= 22.Bg7 Kg7 23.Qc3 Kh7 24.Nd2 ed5 25.Ne4 de4 26.a4 Rfd8 27.a5 d5 28.ab6 Rab8 29.Ra7+- Rb7 30.cd5 Qd5 31.Rb7 Qb7 32.Qf6?? Rb8? 33.Rc5 Qb6 34.Rc6?? Qe3+= 35.Kf1 Qd3 36.Kf2?? Qd2–+ 37.Kg3 Qe3 38.Kh4 Qf4 39.Kh3 Qg4# 0–1. elsh1403 – sharkbleek09 (1650), kurnik, 2012.

5.b5 b6 6.Nf3 0-0 7.Be2 d5 8.0-0 Bd7 9.a4 c6 10.Ne5 cb5 11.ab5 Ne4 12.d3 Qc7?? 13.de4+- de4 14.Nd7 Nd7 15.Bg7 Kg7 16.Qd4 Kg8 17.Qe4 e6 18.c4 Nc5 19.Qc2 a4 20.Nc3 a3 21.Bf3 Ra5 22.Ne4 Ne4 23.Qe4 Rc8 24.Qc6 Qd8 25.Rad1 Qf8 26.Qb6 Ra4 27.Bc6 Rc4 28.Rd7 a2 29.Qa7 Rc2 30.Ra1 Qb4 31.Qd4 Qb1 32.Qd1 Qd1 33.Rad1 Rb2 34.Rd8?? Rd8+= 35.Rd8 Kg7 36.Ra8 Rb1 37.Kf2 a1Q 38.Ra1 Ra1 39.b6 Rb1 40.b7 Kf6 41.Ke2 e5 42.Kd3 ef4 43.ef4 Kf5?? 44.g3?? Kg4?? 45.Kc2 1–0. elsh1403 – mariukas26, kurnik, 2011.

5.b5 c6 6.a4 cb5 7.ab5 Qb6 8.c4 d5 9.Nf3 dc4 10.Bc4 Be6 11.Bd4 Qd6 12.Be6 fe6 13.Be5 Qb4 14.Nc3 0-0 15.Ra4 Qc5 16.0-0 Nbd7 17.Bd4 Qc7 18.Ng5 e5 19.Ne6 Qd6 20.fe5 Ne5 21.Nf8 Kf8 22.Be5 Qe5 23.Re4 Qg5 24.Qb3 Rd8 25.h4 Qg3 26.Nd5 Ke8 27.Nc7 Kf8 28.Ne6 Ke8 29.Ng7 Kf8 30.Ne6 Ke8 31.Ng5 Ne4 32.Qf7 Kd7 33.Ne4 Qh4 34.Nc5 Kc8 35.Qe6 Kb8 36.Qe5 Ka8 37.Ne6 Rd2 38.Nc7 Kb8 39.Rf8 Ka7 40.Qc5 b6 41.Ra8 Kb7 42.Qc6 1–0. jura1946 – zi74bi, kurnik, 2012.

5.b5 c6 6.c4 0-0 7.Nf3 cb5 8.cb5 d6 9.Be2 Bg4 10.0-0 Nbd7 11.h3 Bf3 12.Bf3 Rb8 13.a4 b6 14.d4 d5 15.Nd2 e6 16.Rc1 Rc8 17.Qb3 Rc1 18.Rc1 Qb8 19.Rc6 Rc8 20.Qc2 Rc6 21.bc6 Nf8 22.Ba3 Qc7 23.Be2 h6? 24.Nf3 Ne4 25.Ne5 Be5 26.de5 Nc5 27.Bc5 Qc6+= 28.Bb5 Qc5 29.Qe2 Nh7 30.Kf2 Kg7 31.Kf3 g5 32.g3 f6 33.Bd7 fe5=+ 34.Be6 e4 35.Kg2 gf4 36.gf4 Nf6 37.Qf2 Qd6 38.Qg3 Kf8 39.Bc8? Qc7 40.Ba6? Qc2–+ 41.Kh1 Qc1?? 42.Kh2? Qd2–+ 43.Kg1 Qd1 44.Bf1 Qf3?? 45.Qf3= ef3 46.Kf2. elsh1403 – fagus54, kurnik, 2011.

4.f4 b6

5.Nf3 Bb7

6.Be2 0-0 7.0-0 a5 8.b5 c5 9.a4 d5 10.d4 c4 11.c3 Ne4 12.Nbd2 f5 13.Ne5 Be5 14.fe5 e6 15.Ba3 Rf7?? 16.Ne4+/– fe4 17.Rf7 Kf7 18.Qf1 Kg7 19.Qf4 Nd7 20.Rf1 Qe8 21.Bg4 h6 22.Bd6 Qg8 23.h4 Re8 24.h5 g5 25.Qg3 Kh7 26.Qh3 Bc8 27.Bc7 Nf8?? 28.Bb6+- Nd7 29.Ba5 Rf8 30.Be6 Rf1 31.Kf1 Qf8 32.Kg1 Qe7 33.Bb4 Qe8 34.Qf5 Kh8 35.a5 Nb6 36.Qf6 Kh7 37.Bf7 Nd7 38.Qg6 Kh8 39.Qh6# 1–0. elsh1403 (1645) – ukete2 (1620), kurnik, 2012.

6.Be2 0-0 7.0-0 c5 8.b5 a6 9.c4 ab5 10.cb5 d5 11.h3 Ne4 12.d4 Ng3 13.Re1 Ne2 14.Re2 cd4 15.Nd4 Nd7 16.Nc3 Nf6 17.a4 e6 18.Rc2 Nh5 19.Nce2 Qh4 20.Rc7 Bc8 21.Ba3 Re8 22.Rac1 e5 23.Nc6 ef4? 24.Ne7+- Re7?? 25.Be7 Bh3 26.Bh4 (26.Bh4 Be6 27.Nf4 Nf4 28.ef4+-) 1–0. elsh1403 – wili963 (1695), kurnik, 2011.

6.Be2 d6 7.0-0 a6 8.c4 Nc6 9.a3 a5 10.b5 Nb8 11.Nc3 Nbd7 12.d4 0-0 13.Qc2 c5 14.d5 h6 15.e4 Bc8 16.e5 de5 17.fe5 Ng4 18.Qe4 Bb7?? 19.Qg4+- Bc8 20.Qe4 Rb8 21.Rf2 Bb7 22.Raf1 Kh7 23.h4 e6 24.h5 Qe7 25.hg6 fg6 26.Bd3 Qe8 27.Nh4 Rf5 28.Nf5 ef5 29.Qh4 Ne5 30.Bf5! gf5 31.Rf5 Qg6 32.Ne4 Bc8 33.Nf6 Kh8 34.Re5 Bh3 35.Qh3 Bf6 36.Re6 Bd4 1–0. elsh1403 – lalaang, kurnik, 2011.

6.Be2 d6 7.0-0 Nbd7 8.Ng5 e6 9.Bf3 d5 10.c4 c6 11.cd5 cd5 12.Qa4 0-0 13.Nc3 a6 14.Rac1 b5 15.Qb3 Nb6 16.d3 Rc8 17.Ne2 Qe7 18.Bd4 Na4 19.Nc3 Nc3 20.Rc3 Rc3 21.Qc3 Rc8 22.Qb2 h6 23.Bc5?? Qd8 24.Ne6? fe6–+ 25.d4 Ne4 26.Bg4 Qe8 27.Qb1? h5 (27...h5 28.Be2 Nd2–+; 27...Nc5?! 28.bc5 Qf7 29.Qb4–+) 0–1. elsh1403 – bjargjo, kurnik, 2011.

6.Be2 d6 7.0-0 e6 8.c4 Nbd7 9.a4 Qe7 10.Qb3 c5 11.b5 d5 12.d4 cd4 13.Nd4 dc4 14.Bc4 Nd5 15.e4 N5f6 16.e5 Nd5 17.Ba3 Nc5 18.Nc3?? Nb3–+ 19.Be7 Nd2 20.Bd5= Bd5 21.Nd5 Nf1 22.Nc7 Ke7 23.Na8 Nd2? 24.Nc7 Kd7 25.Na6 Rc8 26.Nc6 Bf8?? 27.Rd1 Rc6 28.bc6 Kc6 29.Rd2 b5 30.Rd8 Be7 31.Re8 Ba3 32.Nb8 Kc7 33.ab5 h5 34.Nc6 a6 35.Re7! Be7 36.Ne7 ab5 37.Kf2 Kb6 38.Ke3 Kc5 39.Kd3 b4 40.Kc2 Kd4 41.Ng8 Ke4 42.g3 Kf3 43.Nh6 Kg2 44.Nf7 Kh2 45.Nd8 Kg3 46.Ne6 h4 47.Ng5 Kf4 48.e6 Kg5 49.e7 h3 50.e8Q Kh4 51.Qe1 Kg4 52.Qh1 Kg3 53.Kb3 g5 54.Kb4 g4 55.Kc4 Kf2 56.Qh2 Kf3 57.Kd4 g3 58.Qh3 Kf2 59.Qh4 Kf3 60.Qe4 Kf2 61.Qe3 Kg2 62.Ke4 Kh2 63.Qf4 Kh3 64.Kf3 g2 65.Qg3# 1–0. elsh1403 – piterkrajdzer (1630), kurnik, 2012.

4.f4 c5

5.bc5 Qa5 6.Nc3 Qc5 7.Nf3 Nc6 8.a4 0-0 9.Be2 a6 10.Ba3 Qb6 11.Rb1 Qc7 12.0-0 e5? 13.Bf8+- Bf8 14.fe5 Ne5 15.Ne5 Qe5 16.Bf3 d5 17.Qe2 Bf5 18.Rb7 Bc2? 19.Bd5! Nd5 20.Rff7?? Nc3+= 21.dc3 Qc3 22.Rh7?? Qa1 23.Kf2 Bf5?? 24.Qc4 (24.Qc4 Be6 25.Qe6#) 1–0. elsh1403 – mariukas26, kurnik, 2011.

5.bc5 Qa5 6.Bd4 Nc6 7.c3 Nd4 8.cd4 Nd5 9.Nc3 Ne3 10.Qb3?? Bd4 11.Nf3? Nf5 12.Bc4 Bc3 13.Bf7 Kf8 14.dc3 e6 15.Ng5 h6 16.Ne6 de6 17.Bg6 Rg8 18.Bf5 ef5 19.0-0-0 Kg7 20.Rhe1 Qc7 21.Qc4 b6 22.Qd4 Kh7 23.c6 Rg7 24.Qe5 Qe5 25.fe5 Ba6 26.Rd7 Bc4 27.e6=+ Re8 28.e7? a6?? 29.c7+- 1–0. elsh1403 – superpolitist, kurnik, 2012.

5.bc5 Qc7 6.d4 Nd5 7.Nf3?? Ne3=+ 8.Qd3 Nf1 9.Rf1 0-0 10.Kf2 Qf4 11.Kg1 Qc7 12.Nc3 Nc6 13.Nd5 Qd8 14.Ng5?? e6–+ 15.Ne3 Qg5 16.Rf3 Nb4 17.Qe2 b6 18.Rg3 Qe7 19.cb6 ab6 20.c3 Ra2 21.Ra2 Na2 22.c4 Qb4 23.Rh3 d5! 24.cd5 ed5 25.Nd5 Qd6 26.Ne7 Kh8 27.Ra3 Nb4 28.Ra8 Qe6 29.Qe6 Be6 30.Rf8 Bf8 31.d5 Bg7 32.Bg7 Kg7 33.de6 fe6 34.Nc8 Kf6 35.Kf2? b5 36.Nd6=+ Nd3 37.Ke3 Ne5 38.Nb5 Ng4 39.Kf4 Nh2 40.Nd4?? e5 (40...e5 41.Ke4 ed4 42.Kd4 Kf5–+) 0–1. elsh1403 – mariukas26, kurnik, 2011.

4.f4 c6

5.Nf3 0-0 6.Be2 Nd5 7.Bg7 Kg7 8.a3 a5 9.c4 Nb6 10.b5 d5 11.d3 dc4 12.dc4 Qd1 13.Kd1 Rd8 14.Kc2 cb5=+ 15.cb5 Bf5 16.Kb2 Na4 17.Kb3 Nc5 18.Kc4?? b6 19.Nc3?? Be6–+ 20.Nd5 Bd5 21.Kc3 Ne4 22.Kb2 Nc5 23.a4?? Nbd7–+ 24.Rhd1 e6 25.Rac1 Ne4 26.Rc7 Rac8 27.Ra7 Ndc5 28.Ka3 Nc3 29.Rd2 N3a4 30.Ne5 Ne4 31.Rf7 Kh8 32.Rd4 Nac3 33.Bg4 Nb5 34.Ka4 Nd4 35.ed4–+ Rc4! 36.Kb5 Rd4 37.Kb6 a4 38.Rc7 Rb4 39.Ka5 Rbb8 40.Nf7 Kg8 41.Nd8 Rd8 42.Ka4 Nf2 43.Be2 Ra8 44.Kb5 Rb8 45.Kc5 Ne4 46.Kd4 Rb4 47.Ke5 Nf2 48.Bf3 Bf3 49.gf3 Nh3 50.Ke6 Nf4 51.Kf6 Rb6 52.Ke5 Nh5 53.Rc8 Kg7 54.Rc7 Kh6 55.Rc4 Rb5 56.Ke4 Rf5 57.Rc7 Rf4 58.Ke3 Rh4 59.Rc2 Nf6 60.f4 Ng4 61.Ke4. elsh1403 – sanyi49, kurnik, 2011.

5.Nf3 Qb6 6.a3 a5 7.c3 ab4 8.cb4 c5 9.Qb3 d6 10.Be2 Nc6 11.Nc3 Na5 12.Qa4+/– Bd7 13.Bb5 0-0 14.Bd7 Nd7?? 15.Qd7+- cb4 16.ab4 Qb4+/– 17.Ba3 Qc4 18.Qb5?? Qb5–+ 19.Nb5 Ba1 20.0-0 Bg7 21.Rc1 Rac8 22.Nc7 Nc6 23.Nd5 Rfe8 24.Nb6 Rb8 25.Nd7?? Ra8 26.Rc3 Bc3 27.dc3 Ra3 28.Nb6 Rc3 29.Kf2 Rb3 30.Nc4 b5 31.Ncd2 Rb2 32.Kg3 b4 33.Nc4 Rb1 34.Nfd2 Rc1 35.e4 b3! 36.Nb3 Rc4 37.Nd2 Rd4 38.Nf3 Re4 39.Ng5 Ra4 40.h4 h6 41.Nf3 Ra3 42.Kf2 Rb8 43.Nd2 Rb2 44.Ke1 Ra1 45.Ke2–+ Raa2 46.Ke3 Rd2 47.g4 Rd4 48.g5 Ra3 49.Ke2 Rf4 50.gh6 Rh4 51.Kf2 Rh2 52.Kg1 Rb2 53.h7 Kh7 (53...Kh7 54.Kf1 Ra1#) 0–1. elsh1403 – markos0410, kurnik, 2011.

4.f4 d5

5.Be2 0-0 6.Nf3 (--> 4.f4 0-0 5.Nf3 d5 6.Be2).

5.Nf3 c6 6.c4 0-0 7.Qb3 dc4 8.Bc4 Bg4 9.Ne5 Bf5 10.Nf7 Rf7 11.Bf7 Kh8 12.0-0 Ne4 13.Bg7 Kg7 14.Be6 Be6 15.Qe6 Nf6 16.d4 Qd6 17.Qd6 ed6 18.Nc3 d5 19.h3 Nbd7 20.Rae1 Nb6 21.e4 de4 22.Ne4 Nfd5 23.a3 Rf8 24.Nd6 Rf4 25.Rf4 Nf4 26.Re7 Kh6 27.Rb7 Nbd5 28.Nf7 Kg7 29.Ne5 Kf6 30.Nc6 a6 31.Ne5 Ne2 32.Kf2 Nd4 33.Nd7 Ke6 34.Nc5 Ke5 35.Na6 Nf4 36.Nc5 Nc2 37.a4 Kd4 38.a5 Nd3 39.Nd3 Kd3 40.a6 Nd4 41.a7 Ne6 42.a8Q Ng5 43.Rd7 Kc3 44.Qc8 Kb3 45.Rd3 Ka4 46.Qb7 Ne4 47.Kg1 Nc5 48.bc5 g5 49.Rb3 g4 50.Qb5# 1–0. lllllll21 – robrobert (1655), kurnik, 2011.

5.Nf3 c6 6.Be2 0-0 (--> 4.f4 0-0 5.Nf3 d5 6.Be2 c6).

5.Nf3 0-0

6.c4 c6 7.Qb3 a5 (7...Bf5 8.Nc3+=) 8.b5 Nbd7 9.d4 a4 10.Qb4 dc4 11.Bc4 Nb6 12.Be2 (12.bc6!? bc6 13.Ne5+=) 12...Nbd5-/+ 13.Qa3 cb5 14.0-0? (better is 14.Ne5–+) 14...b4 15.Qd3 Bf5 16.Qd2 Ne4 17.Qc1 (17.Qe1 Ne3 18.Qb4 Nc2–+) 17...a3 18.Na3 (18.Ba3 Nf4! (18...Ra3?! 19.Na3 Ndc3 20.Bd3-/+) 19.Bc4 ba3 (19...Ra3?! 20.Na3 ba3 21.Nh4 Bd4 22.Nf5 gf5 23.Rf4–+) 20.Na3 Be6–+) 18...ba3 (18...Ra3?! 19.Ba3 Ndc3 20.Bd3 ba3 21.Qa3-/+) 19.Ba3 Qa5 20.Bb2 (20.Bc4 Rfc8 (20...Qa3?! 21.Bd5 Nd6 22.Qa3 Ra3 23.Bb3–+) 21.g4 Bg4–+ (21...Qa3?! 22.Qa3 Ra3 23.Bd5 Bg4 24.Be4–+)) 20...Rfc8 21.Qe1 Ne3 22.Nh4 Qe1 23.Rfe1 Nc2 24.Nf5 gf5 25.Bd3 Ne1 26.Re1 Ra2 27.Ba1 Ra1! 28.Ra1 Bd4 29.Kh1 Ba1 30.h4 Nf2 31.Kh2 Nd3 32.h5 Nf4 33.Kg3 Nh5 34.Kh4 Bf6 35.Kh3 Rc3 36.Kh2 Ng3 37.Kg1 Bd4 38.Kh2 Kg7 39.Kh3 Nf1 40.Kh4 Bf6 41.Kh5 Ng3# 0–1. Szewczak,Andrzej – Grzelak,Rafal (2205), Warsaw Entropia–ch, 1996.

6.c4 c6 7.Nc3 a5 8.a3 Bf5 9.Nd4 Bg4 10.Be2 Qd7 11.0-0 dc4 12.ba5 Ra5 13.Bg4 Qg4 14.Nf3 b5 15.Qc2 Qe6 16.Nd4 Qd7 17.f5 Na6 18.Ne4 Ne4 19.Qe4 c5 20.f6 Bf6 21.Rf6 ef6 22.Nc6 Ra4 23.Bf6 Qe6?? 24.Ne7+- Qe7 25.Qe7 Nb8 26.Qe5 Nd7 27.Qg5 Nf6 28.Qf6 Ra7 29.Qb6 Rd7 30.Ra2 Rdd8 31.Qc5 Rb8 32.Qb4 1–0. lllllll21 (1605) – zino100, kurnik, 2011.

6.c4 c6 7.Be2 Nbd7 8.c5 b6 9.d4 Ne4 10.Qc2 bc5 11.dc5 Bb2 12.Qb2 a5 13.a3 Ba6 14.Nc3 (14.Ba6 Ra6 15.0-0 ab4 16.ab4 Ra1 17.Qa1 Qb8+=) 14...Be2+= 15.Ke2 Ndf6 16.Ne5 Qc7 17.Rhb1 Rfb8 18.Ne4 Ne4 (worse is 18...de4 19.Kf1=) 19.Qd4 f6 20.Nd3 Qc8 (20...e6 21.Ke1+=) 21.Nf2= Qa6 22.Kf3 (22.Ke1!? Nf2 23.Kf2 ab4 24.ab4=) 22...e5-/+ 23.Qb2 Nc5 24.fe5 fe5 25.Qe5 Rf8 26.Kg3 Rae8 27.Qd4 Ne4 28.Ne4 Re4 29.Qd2 Qc8 30.Qe2 Qc7 (30...Qd8 31.Qg4 Rg4 32.Kg4 h5 33.Kh3 Qd7 34.Kh4 Qg4) 31.Kh3 Qd7 (better is 31...Qe7 32.g3 Re3–+) 32.Kg3?? (better is 32.g4-/+) 32...Qd6 33.Kh3 Qe6 (33...Qe6 34.Kg3 Re3 35.Qe3 Qe3 36.Kh4 Rf4 37.g4 Rf3 38.b5 Rh3#) 0–1. Kucharkowski,Jens – Kosche, Freital, 1988.

6.Be2 b6 7.0-0 Bb7 (--> 4.f4 0-0 5.Nf3 d5 6.Be2 b6 7.0-0 Bb7).

6.Be2 c6 7.0-0 Bg4 (--> 4.f4 0-0 5.Nf3 d5 6.Be2 Bg4 7.0-0 c6).

6.Be2 Bf5=.

5.Nf3 Bg4

6.Be2 Bf3 7.Bf3 c6 8.a4 Nbd7 9.Na3 (9.a5 0-0=) 9...Qc7 (9...0-0 10.c4=+) 10.c4= e5 (10...0-0 11.0-0=) 11.cd5+= ef4? (better 11...Nd5!? 12.Bd5 cd5+=) 12.dc6 bc6 13.Rc1 Rc8 14.Rc6 (14.Bc6?! 0-0 15.0-0 fe3+/-) 14...Qb8 15.Rc8 Qc8 16.0-0 0-0 17.Qb3 Qb8 18.Nc4 Nc5 19.Qa3 Ne6 (19...Ncd7 20.ef4 Qf4 21.Ne3+-) 20.Be5 Qc8 21.ef4 Qc4 (21...Rd8 22.Qc3+-) 22.Rc1 Qa6 23.Rc6 Qb7 24.Re6! (24.Re6 Nd5 25.Bg7 fe6 26.Bf8 Kf8 27.Bd5 Qd5 28.b5 Ke8 29.Qe3+-) 1-0. PEREIRA – Windings, internet, 2021.

6.Be2 h5 (6...Qd6 7.Nc3=) 7.h3 Bf3 8.Bf3 h4 (8...Na6 9.b5 Nc5 10.Nc3=) 9.Nc3 e6 10.Ne2 (10.0-0 0-0=) 10...Nc6 11.a3 (11.b5 Na5=) 11...Nh5 (11...Qd6 12.b5 Ne7 13.Be5=) 12.Qc1 (12.Bg7 Ng7 13.c4 dc4+=) 12...Ne7 (12...Bb2 13.Qb2 Qf6 14.d4=) 13.Bh5 (13.0-0 Qd6+=) 13...Bb2= 14.Qb2 Rh5 15.Qf6 Nf5 16.Qd8 (16.Qc3 Qd6=) 16...Kd8 (16...Rd8 17.Rg1=+) 17.Kf2 Kd7 18.d3 Rd8 (18...Nd6 19.Nd4=+) 19.g4 (19.e4 Ng7=) 19...hg3=+ 20.Ng3 Ng3 21.Kg3 Kc6 22.a4 (22.Rac1 b5=) 22...a5 (22...e5 23.b5 Kd6 24.Raf1=+) 23.c3= Ra8 24.d4 (24.e4 ab4 25.cb4 e5=) ½-½. Jurczyk,Stephan - Wallrabenstein,Udo, Bahn-chT Bernkastel-Kues, 1995.

4.f4 d6

5.Nf3 0-0 (--> 4.f4 0-0 5.Nf3 d6).

5.Nf3 a6 6.Be2 Nc6 7.a3 e5 (7...0-0 8.0-0=) 8.b5 ab5 9.fe5 Ne5 10.Ne5 de5 11.Be5 Qd5 12.d4 (12.Bc7 Ng4 13.Bf3 Qc4=) 12...Qg2 13.Bf3 (13.Bb5? Bd7 14.Bd7 Nd7–+ (14...Kd7?! 15.Rf1 Rhe8 16.Qd3=)) 13...Qh3 14.Rf1 (14.Bc7!? Ne4 15.Rg1=) 14...0-0 15.Qe2 c6 16.Bc6 (16.Bg2!? Qh4 17.Bg3-/+) 16...bc6-/+ 17.Bf6 Bg4 18.Qd3 Bf6 19.Rf6 Qh2 (19...Rfe8!? 20.e4 Qh4 21.Rf2–+) 20.Nd2 Qg3 (20...Bf5 21.Rf5 gf5 22.Qf5 Qg3 23.Ke2 Qh2 24.Kd3–+) 21.Rf2 f5 (21...Bf5 22.Qb3–+) 22.Qb3 (22.c4 Bh3 23.Nf3 Bg2-/+) 22...Rf7 (22...Kg7 23.Nf1 Qd6 24.Nh2–+) 23.Ne4 (23.Nf1 Qd6-/+) 23...Qg1 24.Rf1 Qg2 25.Nf6 Kg7 26.Ng4 Qg4 27.Qc3 (27.Rf4 Qg1 28.Rf1 Qg3 29.Ke2 Qg4 30.Rf3 Re7–+) 27...Qh4 (better is 27...Re8!? 28.Rd1 Rfe7 29.d5 Kg8 30.Kd2 Re3 31.Qe3 Re3 32.Ke3 Qe4 33.Kd2 Qd5 34.Kc1–+) 28.Kd2 Qf6 29.Qc5 Ra4 30.Rf4 Rb7 31.Rg1 Kh8 32.c3 Rc4 33.Qe5 Qe5 34.de5 Rc5 35.e4 Rd7 36.Kc2 Re5 37.ef5 Rf7 (37...Rf5 38.Rf5 gf5 39.Rf1–+) 38.a4 (38.Rh4 gf5 39.Rh6 Rc5–+) 38...ba4 39.Ra4 Ref5 40.Ra6 c5 41.Rc6 Kg7 42.Rg4 Re7 (42...g5!? 43.Rc4–+) 43.Rc4 h5 44.R4c5 Rc5 45.Rc5 h4 46.Ra5 h3 47.Kd2 Kh6 48.c4 g5 49.c5 (49.Ra1–+) 49...g4 50.c6 g3 51.Ra3 (51.c7 Rc7 52.Ra6 Kh7–+) 51...h2 52.Ra6 Kg5 (52...h1Q 53.c7 Kg7 54.c8Q Qd5 55.Kc1 Re1 56.Kb2 Qb5 57.Kc2 Qe2 58.Kb3 Rb1 59.Kc3 Rc1 60.Kb3 Qd3 61.Ka4 Ra1 62.Kb4 Rb1 63.Kc5 Qc3 64.Kd5 Rd1 65.Ke4 Rd4 66.Ke5 Qe3 67.Kf5 Qf4 68.Ke6 Qe4) 53.c7 (53.Ra5 Kg6 54.Ra6–+) 53...Rc7 54.Ra5 Kg4 55.Ra4 Kh3 56.Ra1 Kg2 0–1. Kapoor,Gurveen (1715) – Goater,Kev (2125), 14th 4NCL Congress, 2017. (=1.f4 Nf6 2.Nf3 d6 3.e3 g6 4.b4 Bg7 5.Bb2 a6)

5.Nf3 Nbd7 6.Bc4 h6 7.0-0 c5 8.bc5 Nc5 9.Nc3 e6 (9...0-0 10.Rb1=) 10.d4+= Nce4 11.Ne4 Ne4 12.Bd3 Nf6 (12...f5 13.c4+=) 13.c4 d5 14.c5 0-0 15.Ba3 Qa5 16.Qb3 Rd8 17.Rac1 Bd7 18.Bb4 Qc7 19.a4 Bf8 20.Ne5 Bc6 21.Qc2 Ne4 22.Nc6 Qc6 23.Bb5 (23.Ba5 Rdb8+=) 23...Qc7= 24.Qb2 a6 25.Bd3 b6 26.Be4 ½–½. Sonnenberger,Joerg – Schumacher,Dennis, GER–chJMB Neumuenster, 1999. (=1.f4 Nf6 2.Nf3 d6 3.e3 g6 4.b4 Bg7 5.Bb2 Nbd7)

5.Nf3 Bg4

6.h3 Bd7 7.Be2 (7.Nc3 Nd5 8.Rb1 Nc3 9.Bc3 Bc3 10.dc3=; 7.Bd3 Nc6 8.a3 0-0 9.0-0 a6 10.Nc3=) 7...c5 8.bc5 dc5 9.0-0 Bc6 10.Ne5=.

6.h3 Be6 7.a3 (7.Ng5 Bd7 8.Be2 h6 9.Nf3 c5 10.bc5=; 7.Nd4 Bd7 8.Bc4 0-0 9.Qf3 Nc6 10.b5+=; 7.Be2 0-0 8.0-0 c5 9.bc5 dc5 10.Nc3=) 7...0-0 8.Be2 c5 9.0-0 Qb6 10.b5=.

6.h3 Bf3 7.Qf3 c6 8.a3 Nbd7 (8...e6 9.Be2 a6 10.0-0+=) 9.Bc4 (9.Be2 d5= (9...0-0 10.0-0=) 10.0-0=) 9...e6 (9...e5 10.fe5 Ne5 11.Be5 de5 12.d3=) 10.d3 (10.Be2 0-0=; 10.0-0=) 10...d5 11.Bb3 0-0 12.Nd2 (12.0-0 a5=) 12...Qc7 (12...Ne4 13.Bg7 (13.Ne4? de4 14.Qe4 Bb2–+) 13...Nd2 14.Kd2 Kg7 15.h4=) 13.0-0 (13.c4 a5=) 13...Nh5 (13...Ne4! 14.de4 Bb2+=) 14.Bg7+= Ng7 15.e4 (15.c4 Nf5+=) 15...f5 (15...Qb6 16.Qf2=) 16.Rae1 (16.ed5 ed5 17.c4 dc4 18.Nc4 Ne6+=) 16...Rae8 (16...a5 17.ed5 cd5 18.c4 dc4 19.Bc4 (worse is 19.dc4 ab4 20.ab4 Qb6 21.Re3 Qb4+=; 19.Nc4?! ab4 20.ab4 b5=) 19...ab4 20.ab4 Qb6 21.Qe3+=) 17.e5 Kh8 (17...a5 18.d4 Ra8+=) 18.g4 (18.c4 a5 19.Qe3 b5+=) 18...Rg8 (18...fg4 19.hg4 g5 20.Qe3=) 19.Kh2 (19.c4 fg4 20.hg4 Rgf8+=) 19...Qd8 (19...fg4 20.hg4 Ref8 21.d4=) 20.Qg3 Re7 (20...Qe7 21.c4+=) 21.Nf3 (21.g5 b5+=) 21...Ne8 (21...fg4 22.hg4 Rf8 23.Ng5+=) 22.Ng5 (better is 22.g5+=) 22...h6?? (better is 22...Rf8+=) 23.Qh4+- Rh7 (23...Rgg7 24.Ne6! Qb6 25.Ng7 Rg7 26.Qh6 Kg8 27.gf5 gf5 28.Qe6 Kf8 29.Qf5 Ke7 30.Qh5+-) 24.Nf7!! Rf7 25.Qd8 g5 26.gf5 Nb6 27.fe6 Rc7 28.fg5 hg5 29.Rf7 Rc8 30.Qe7 (30.Qe7 Rg7 31.c4 d4 32.Qf8 Kh7 33.Rg1 Rf7 34.Qf7 Kh6 35.h4 g4 36.Rg4 Nc4 37.Qg6) 1–0. Brodie – Williams, 1974.

6.h3 Bf3 7.Qf3 c6 8.a4 0-0= 9.Be2 Nbd7 10.0-0 d5 11.c4 (11.a5 Qc7=) 11...e6 12.a5 a6 (12...Rc8 13.Nc3=) 13.Ra2= Ne4 14.Ba3 (14.d3 Bb2 15.Rb2 Qf6=) 14...Re8 (14...Qh4 15.Rc1=) 15.d3 (15.d4=) 15...Nef6 (15...Nd6 16.d4+=) 16.Nc3 (16.Nd2 Bf8+=) 16...Qc7 17.d4 White prepares the advance c5 17...Rac8 (17...dc4 18.Bc4 Nd5 19.Rc2+=) 18.Rc2 (18.c5 Nh5+=) 18...Qb8 (18...dc4 19.Bc4 Nd5 20.g3+=) 19.c5+/– Qc7 20.Bb2 Qd8 21.Bd3 Qe7 22.Nd1 (22.Re1 Red8+=) 22...Red8 23.Bc3 (23.Nf2 Ne8+=) 23...h6 (23...Ne8 24.Bd2+=) 24.g4 Nh7 (24...h5 25.Rg2+=) 25.h4 (25.Be1+/–) 25...Ndf8? (better is 25...Qh4!? 26.g5 hg5=) 26.Rh2 (26.h5 gh5 27.gh5 Nd7+/–) 26...f5 (26...Nf6 27.h5+/–) 27.g5+- h5 28.Nf2 1–0. Grebenschikov,Vladimir (2210) – Blankin,Talgat (1925), Pavlodar Open, 2015.

6.h3 Bf3 7.Qf3 c6 8.Bd3!?+=.

6.h3 Bf3 7.Qf3 c6 8.Be2 d5 9.0-0 Qd6 10.a3=.

6.h3 Bf3 7.Qf3 d5 8.Be2 (8.Bb5 c6 9.Be2= Qd6 10.a3=) 8...0-0 9.0-0 Qd6 10.Be5=.

4.f4 Nh5

5.c3 b6 6.Nf3 Bb7 7.Be2 e6 8.0-0 f5 9.Qb3 Nf6 10.h3 Ne4 11.g4?? Ng3 12.Re1 Ne2 13.Re2? Bf3 14.Rf2 Bd5 15.c4 Bb7 16.Bg7=+ Rg8 17.Bh6 Qf6 18.Bg5?? Qa1 19.Kh2 Qg7 20.c5 h6 21.Bh4 Bd5 22.Qa4 bc5 23.bc5 Nc6 24.Nc3 fg4 25.hg4 Kf7 26.Nd5 ed5 27.Qb3 Rgf8 28.Qd5= Ke8 29.Qe4 Kf7 30.Qd5 Ke8 31.Qe4 Kf7 32.f5?? g5 33.f6 Qg6 34.Qd5 Ke8 35.Bg3 Rf6 36.Rf6 Qf6 37.Qg8 Qf8 38.Qg6 Kd8 39.Bc7 Kc7 40.Qd6 Qd6 (40...Qd6 41.cd6 Kd6–+) 0–1. elsh1403 – piterkrajdzer (1605), kurnik, 2012.

5.c3 b6 6.Nf3 Bb7 7.Be2 Nf6 8.0-0 h6 9.Ne5 d6 10.Nf3 Nfd7 11.d4 e6 12.Nbd2 Qe7 13.Qb3 Nf6 14.c4 Ne4 15.c5 Nd2 16.Nd2 dc5 17.bc5 Bd5 18.Bc4 Bc4 19.Nc4 Nd7 20.c6 Nf6 21.Ba3 Qd8 22.Ne5 Bf8 23.Bb2 Bd6 24.Rad1 0-0 25.Nd7 Nd7+= 26.cd7 Qd7 27.d5 ed5 28.Qd5 Qe6 29.Qd4 f6 30.e4?? Bc5–+ (30...Qa2?! 31.Kh1–+) 0–1. elsh1403 – piterkrajdzer, kurnik, 2012.

5.c3 f5 6.Nf3 d6 7.Bc4 c6 8.0-0 Nd7 9.d4 Nb6 10.Bb3 Bd7 11.a4 Qc7 12.a5 Nd5 13.Qe2 Ndf6 14.Ng5 d5 15.c4 Ne4 16.Nc3 Nc3+/– 17.Bc3 e6 18.cd5 cd5 19.Rac1 Qd6 20.g4 Nf6 21.b5 Ng4 22.h3 Nf6 23.Ba4? h6–+ 24.Nf3 0-0?? 25.Ne5 Kh7 26.Qb2 b6 27.Bb4+/– Qb8 28.a6 Rc8= 29.Rc8 Qc8 30.Rc1 Qe8 31.Rc7 g5 32.Nd7 Nd7 33.Bc2 gf4 34.ef4 Nf6 35.Bd3 Qg6 36.Kh2 Ne4 37.Be4 fe4 38.Bd6 Kh8 39.Qc2? Qf5 40.Re7? Bf6 41.Rf7+= Qg6?? 42.Qc7 Rg8–+ 43.Be5 Qg2# 0–1. elsh1403 – piterkrajdzer (1625), kurnik, 2012.

5.Bg7 Ng7 6.Nf3 0-0 7.Bc4 e6 8.0-0 d5 9.Bb3 Nd7 10.c4 c6 11.Nc3 b6 12.Ne5 Ne5 13.fe5 Ba6 14.b5 cb5 15.cb5 Bb7 16.d4 Nf5 17.Qe1 Rc8 18.Rc1 Qd7 19.a4 Rc7 20.Ne2 Ne3 21.Rc7 Qc7 22.Rf3 Nf5 23.Nf4?? Nd4–+ 24.Rc3 Qe7 25.Qg3 Nf5 26.Qg4 Rc8 27.Rc8 Bc8 28.Nh5?? Qc5 29.Kf1 Ne3 (29...Ne3 30.Ke2 Ng4 31.Nf6 Nf6 32.ef6 Qg1–+) 0–1. lllllll21 (1630) – czyb30, kurnik, 2012.

5.Bg7 Ng7 6.Nf3 d5 7.c4 c6 8.Qb3 dc4 9.Bc4 0-0 10.Ng5 Qe8 11.0-0 h6 12.Nf3 Be6 13.Nc3 Bc4 14.Qc4 b5 15.Qb3 Nd7 16.Ne5 Ne5 17.fe5 e6? 18.Ne4+- Kh8 19.Nd6 Qd7 20.e4 Ne8 21.Qd3 Nd6 22.ed6 e5 23.Rf6 Kg7 24.Raf1 Rad8 25.Qf3 Rde8 26.h4 Re6 27.h5 Qd6 28.Rf7 Rf7 29.Qf7 Kh8 30.hg6 Rg6 31.Qe8 Rg8= 32.Qh5 Qg6 33.Qg6 Rg6+= 34.Rf7 Rg7 35.Rf6+/– Rc7 36.Rh6 Kg7 37.Re6 Rd7 38.Rc6 Rd2 39.Rc7 Kf6 40.Ra7 Rd4 41.Rb7 Rb4 42.Kh2 Kg5 43.Rg7 Kf4+= 44.g4 Ke4 45.g5 Kf5 46.Rg8 Rg4 47.g6 Rg6 48.Rg6? Kg6 49.Kg3 Kf5 (49...Kf5 50.Kf2 Ke4–+) 0–1. elsh1403 (1610) – sakati (1690), kurnik, 2011.

4.Bf6 Bf6

5.c3 0-0 6.d4 d5 7.Nd2 Nd7 8.Ngf3 b6 9.a4 c5 10.a5 Bb7 11.ab6 ab6 12.Ra8 Ba8 13.Bb5 cb4 14.cb4 Qc7 15.Bd7 Qd7 16.0-0 Re8 17.Re1 e5 18.de5 Be5 19.Ne5 Re5 20.Nf3 Re4 21.Qa1 Bb7 22.Nd4 f5 23.Qb1 Qe7 24.Qb2 f4 25.Nf3 fe3 26.Re3 Re3 27.fe3 Qe3 28.Kh1 d4 29.Qa2 Kg7 30.h3 Bf3 31.gf3 Qf3 32.Qg2 Qg2 33.Kg2 Kf6 34.Kf3 Ke5 35.Ke2 g5 36.Kd3 b5 37.Kd2 h5 38.Kd3 g4 39.hg4 hg4 40.Ke2 Ke4 41.Kf2 d3 42.Kg3 d2 43.Kg4 d1Q 0–1. NightEagle (2690) – Churchhill (2825), TIO_54 (fics, Fremont, California USA) (7), 2001.

5.d4 0-0 6.Be2 b6 7.Bf3 c6 8.b5 Bb7 9.bc6 Bc6 10.Bc6 dc6 11.Nf3 c5 12.c3 Nc6 13.0-0 e5 14.d5 e4 15.dc6 ef3 16.Qf3 Rc8 17.Na3 Bc3+= 18.Rad1 Qf6 19.Qf6 Bf6+= 20.Rd6 Be5 21.Rd5 Rfe8 22.Nb5 a6 23.Nd6 Bd6 24.Rd6 Rc7 25.Rb1+= b5 26.a4 Rec8 27.ab5 ab5 28.Rb5 Rc6 29.Rd7 R8c7 30.Rb8 Kg7 31.Rd3 c4 32.Rc3 Kf6 33.Rb5 Ke6 34.h3 f5 35.Kf1 Kd6 36.Ke2 Ra6 37.Kf3 Ra2 38.g4 fg4 39.hg4 Rc5 40.Rb6 Kd5 41.Rb1 Rd2 42.Rb8 Ra2 43.Rc4 1–0. wojtekkk – giovanni5, kurnik, 2011.

4.g4 0-0

5.Qc1 Ng4-/+ 6.Be2 (6.Bg7 Kg7 7.Bg2 e5-/+) 6...Nf6 7.c4 a5 8.e4 (better 8.b5!?-/+) 8...ab4 9.e5 Ne8 10.Nf3 Nc6 11.Ng5 (11.d4–+) 11...Ne5 12.f4 (12.a3 Nc6–+) 12...Nc6 13.h4 Nf6 (13...Nd4 14.h5–+) 14.h5 Nh5 (better 14...h6 15.Nh3–+) 15.Rh5?? (15.Bh5 h6 16.Bg7 Kg7 17.Qb2 e5 18.Nf3 gh5 19.Rg1 Kh8 20.fe5–+) 15...gh5 16.Bh5 f6 17.Qc2 (17.Ne4–+) 17...fg5 18.Bg7 Kg7 19.Nc3 (19.Qb2 e5 20.Bf3 Nd4–+) 19...e6 (19...bc3 20.Qc3 Kh6 21.Bf3 Rf4 22.0-0-0–+) 20.0-0-0 (20.Ne4 Rf4 21.d3 d5 22.cd5 ed5 23.Qb2 Kh6–+) 20...Qf6 (20...bc3 21.fg5 Qg5 22.Qc3 e5 23.Be2–+) 21.Rh1 (21.Nb5 Qf4 22.Be2 Nd4–+) 21...h6 (better 21...bc3 22.Be2 cd2 23.Kb1 Qf4 24.Qh7 Kf6 25.Bd3–+) 22.fg5 hg5 (22...bc3 23.gf6 Kf6 24.Qg6 Ke5 25.Qg7 Rf6 26.dc3 Ra2 27.Qg3 Rf4 28.Re1 Kd6 29.Qf4 Kc5 30.Qf8 Kb6 31.c5 Ka7 32.Qc8+-; worse 22...Qg5 23.Nb5 Qg2 24.Rh4–+) 23.Be2 Qf5 (better 23...Rh8 24.Rh8 Kh8 25.Nb5 Qa1 26.Qb1 Ra2 27.Qa1 Ra1 28.Kb2–+) 24.Qd1 (24.Bd3 Qe5 25.Nb5 Qa1 26.Qb1 Ra2 27.Rh7 Kg8–+) 24...Kf6 (better 24...bc3 25.a4 cd2 26.Kd2 Qa5 27.Kc1 Qa4 28.Qa4 Ra4 29.Rh2–+) 25.Nd5 ed5 26.Rh6 (26.Rf1 Nd4 27.Bd3–+) 26...Kg7 27.Bh5 Kh6 28.Qh1 Kg7 (better 28...Qf1 29.Qf1 Rf1 30.Kb2 Kh5 31.cd5 d6 32.Kb3 Ra3 33.Kc2 Nd4 34.Kb2 Rd3 35.a4 Rd2) 29.Bg4 Qg6 (29...Qg4 30.Kb2 Qd4 31.Kb1 b3 32.Qh6 Kh6 33.ab3 Rf1 34.Kc2 Nb4) 30.Qe1 d6 (30...Ra2 31.d3 Qd3 32.Qe5 Ne5 33.Bd1 Qd2 34.Kb1 Qb2) 31.Qe7 Rf7 (31...Ne7 32.Bh5 Ra2 33.d3 Qd3 34.Bd1 Qd2 35.Kb1 Qb2) 32.Qe8 (32.Qe8 Rf1 33.Bd1 Qe8 34.Kc2 Nd4 35.Kb2 Qe1 36.a3 Qd2 37.Bc2 Qc2; 32.Bh3 Re7 33.Kb2 Ra2 34.Ka2 Qc2 35.Ka1 Re1). Agiant – yeschessilike, lichess.org, 2019.

5.f4 d6 6.h3 e5+= 7.Nc3 ef4=+ 8.ef4 Re8 9.Nce2?? Ne4–+ 10.Bg7 Qh4 (10...Qh4 11.Ng3 Qg3 12.Ke2 Nc3#; 10...Kg7?! 11.Nf3=+) 0–1. nay (2100) – jvanmechelen (2380), net–chess.com, 2009.

5.g5 Nd5 6.Bg7 Kg7 7.Qc1 e5 8.Qb2 Qg5 9.Nf3 Qf6 10.Qe5 Qe5 11.Ne5 Nb4 12.Na3 d6 13.Nf3 Bf5 14.d3 Nd7 15.e4 Be6 16.c3 Na2 17.Kd2 Nc5 18.Nd4 Nb3 19.Nb3 Bb3 20.Nb5 f5 21.Nd4 Bg8 22.ef5 c5 23.Ne6 Be6 24.fe6 Rf2 25.Be2 Nc3 26.Kc3 Re2 27.Rhe1 Re1 28.Re1 Re8 29.d4 cd4 30.Kd4 Kf6 31.Kd5 Ke7 32.Rf1 Rf8 33.Rf8 Kf8 34.Kd6 Ke8 35.Kc7 b5 0–1. Adamkosh (1845) – raymund (2040), lichess.org, 2019.

5.g5 Ne4 6.Bg7 Kg7 7.Bg2 d5 8.Ne2 Ng5 9.h4 Ne4 10.h5 e5 11.hg6 fg6 12.0-0 Nc6 13.d3 Ng5 14.a3 Bh3 15.Ng3 Bg2 16.Kg2 Qd7 17.Rh1 e4 18.d4 Nf3 19.Nd2 Ne7 20.Nf3 ef3 21.Kf1 Nf5 22.Nf5 Qf5 23.Qd2 Rae8 24.Rc1 Re4 25.c4 c6 26.cd5 Qd5 27.Rc5 Qf7 28.Qc2 Rfe8 29.b5 cb5 30.Rb5 Qe6 31.Qb2 b6 32.Rb4 Kg8 33.Rc4 Qc4 34.Kg1 Rg4 35.Kh2 Rg2 36.Kh3 Qe6 0–1. Adamkosh (1845) – TwentyXX (1910), lichess.org, 2019.

5.g5 Ne8 6.Bg7 Ng7 7.h4 e5 8.Be2 f6 9.Bc4 d5 10.Bb3 fg5 11.hg5 c6 12.Qe2 Qg5 13.Nf3 Qg2 14.Rg1 Qf3 (15.Qf3 Rf3–+) 0–1. Banko,Dean (1735) – Weggen,Rick (1690), IECG, 2000.

5.h3 Nc6 6.a3 b6 7.Bg2 Bb7 8.d3 e5 9.Ne2 d5 10.Ng3 Rb8 11.Nc3 d4 12.Nce4 Ne4 13.Be4 de3 14.fe3 Qh4 15.Qf3 Nd8 16.Bb7 Nb7 17.0-0-0 Nd6 18.Rdg1 e4 19.Bg7 ef3 20.Bf8 Rf8 21.Nf1 Qf2 22.Rg3 Nb5 23.Kb2 Qe1 24.h4 Qc3 25.Kc1 Na3 26.Rf3 Qc2 0–1. adabriwala – aisss2017 (1860), lichess.org, 2017.

5.Be2 d5

6.g5 Ne4 7.Bg7 Kg7 8.h4 d4 9.d3 Nd6 10.ed4 Nf5 11.c3 Nc6 12.h5 e5 13.hg6 fg6 14.Bh5 Qg5 15.Nf3 Qf4 16.Rg1 ed4 17.Nd4 Ncd4 18.cd4 Nd4 19.Nc3 Qf2 0–1. adabriwala – aisss2017 (1790), lichess.org, 2017.

6.h4 a5 7.b5 c5 8.g5 Ne8 9.d4 (9.Bg7 Ng7 10.d4 cd4 11.Qd4 Ne6=) 9...cd4 (9...Nd6 10.h5=+) 10.Bd4= e5 (10...Qd6 11.Bg7 Ng7 12.Nc3+=) 11.Bb2 (11.Bc5 e4 12.c3 Nd6 13.Qd5 Nb5 14.Qd8 Rd8 15.Bb5 Rd5+=) 11...b6 (11...Be6 12.Nf3 e4 13.Nd4=) 12.Nd2 (12.c4 d4=) 12...Bb7 13.f3 (13.Ba3 Nd6=) 13...Nd7 (13...Nd6 14.c4=+) 14.c4 Rc8 15.cd5 Bd5 16.e4 Be6 17.Nh3 (17.Ba3!?=) 17...Nc5 18.Nf2 f5 (18...Nd6 19.Rg1-/+) 19.gf6 (19.ef5 gf5 20.Rg1 Nd6=+) 19...Bf6 (19...Nf6 20.Nc4 Qd1 21.Nd1=+ (21.Bd1?? Bc4 22.a4 Rfd8-+)) 20.h5=+ Bh4 (better 20...g5=+) 21.Nc4?? (better 21.hg6 hg6 22.Be5=) 21...Bf2-+ 22.Kf2 Ne4 23.Kg2 (23.Ke1 Ng3 24.Qd8 Rd8 25.Rh4-+) 23...Qg5 24.Kf1 Ng3 (better 24...Rf3! 25.Bf3 Bc4 26.Qd3 Bd3 27.Be2 Qg3 28.Bd3 Qf2) 25.Kf2 Nh1 26.Qh1 Bc4 27.hg6 hg6 (better 27...Nf6 28.Bc4 Rc4 29.gh7 Kh8 30.Kf1-+) 28.Rg1 (28.Ba3 Be2 29.Rg1 Qf5 30.Ke2 Rc3-+) 28...Qf5 (better 28...Qd2 29.Rg6 Ng7 30.Rg7 Kg7 31.Be5 Kg6 32.Qg1 Kf5 33.Qd1 Qd1 34.Bd1 Ke5 35.Ke3-+) 29.Be5 (29.Bd1-+) 29...Qe5 30.Rg6 Ng7 31.Bc4 Rc4 32.Qh6 Rc2 33.Kf1 (33.Qd2 Rd2 34.Kf1 Qa1) 33...Qe2 34.Kg1 Qf2 (34...Qe1) 35.Kh1 Qf1 (35...Qf1 36.Rg1 Qf3 37.Rg2 Qg2; 35...Qf3 36.Kg1 Qf1) 0-1. dale70 (2105) - jotjesus (2140), Rated Blitz game, lichess.org, 2015.

6.h4 Re8 7.d3 e5+= 8.Nd2 Qd6 9.Rb1 Be6 10.Ba1 Nc6 11.a3 a5 12.b5 Ne7 13.a4 Nd7 14.c3 Rf8 15.Nh3 f5 16.Ng5 e4 17.de4+= fe4 18.Nde4 de4 19.Qd6+/– cd6 20.Ne6 Rfc8 21.Ng7 Kg7 22.c4 Kf8 23.Rd1+- Nc5 24.h5 Rd8 25.Bf6 Kf7? 26.g5 Re8 27.hg6 Ng6 28.Rh7 Kf8 29.Bh5 Nd3 30.Rd3! ed3 31.Bg6 d2 32.Kd2 Re6 33.Rh8# 1–0. Heinola – Prieur, Finland, 1984.

5.h4 d5

6.g5 Nh5 7.d4 f6 8.Be2 fg5 (8...Bf5!?=) 9.hg5+= Qe8 (9...Bf5 10.Bh5 gh5 11.Rh5+=) 10.Bh5+/- gh5 11.Qh5 Qh5 12.Rh5 Bf5 13.Na3 Nc6 14.c3 e5 15.Nf3?? (better 15.b5 Nd8 16.de5 Be5 17.Rh4+=) 15...Bg4-+ 16.Ne5 Ne5 17.Rh4 (17.de5 Bh5 18.f4-+) 17...Nf3 18.Kf1 Nh4 19.f4 Rae8 20.Kf2 Nf5 21.Re1 c6 22.Bc1 h6 (22...Nd6 23.Rg1 Ne4 24.Ke1-+) 23.gh6 Nh6 24.Nc2 (24.c4 Be6-+) 24...Bf5 25.Na1 Bf6 (better 25...Kf7 26.Nb3-+) 26.a4 (26.Ke2 Kf7 27.Nb3 Rh8-+) 26...Bh4 27.Ke2 Be1 (27...Bg4 28.Kd2 Be1 29.Ke1 Rf4 30.Nc2-+) 28.Ke1 Ng4 29.Ke2 Re4 (29...Rf7 30.Nb3-+) 30.Nb3 b6 31.a5 (31.Kf3 Rfe8 32.Kg3 Kf7-+) 31...Rfe8 32.ab6 ab6 33.Kf3 Ne3 (33...Re3 34.Be3 Re3 35.Kg2 Rc3 36.Nd2-+) 34.Nd2 R4e7 35.Nb3 Nc4 (35...Bg4 36.Kf2 Nf5 37.Bd2 Re2 38.Kg1 Nh4 39.Be3 Nf3 40.Kf1 R8e3 41.c4 Bh3) 36.Kg3 Kg7 (36...Rg7 37.Kf3 Re1 38.Nd2 Reg1 39.Nc4 R1g2 40.Nb6 R7g3) 37.Kh4 Kg6 (37...Rh8 38.Kg5 Re6 39.Kf5 Rg6 40.Nc5 Rf8) 38.Kg3 Re2 39.Kf3 (39.Bd2 Ne3 40.Kf3 Rg2 41.Be3 Be4) 39…Ra2 (39...Ra2 40.Bd2 Nd2 41.Kg2 Nb3 42.Kf3 Rh8 43.c4 Rh3; 39...Rh2 40.Nc5 Reh8 41.Ne4 de4 42.Kg3 R8h3) 0-1. zembelek (2135) - Alexinio99 (2175), Rated Blitz game, lichess.org, 2014.

6.g5 Nh5 7.Bg7 Kg7 8.Be2 Qd7 9.Bh5 gh5 10.Qh5 Qg4 11.Qh6 Kg8 12.h5 Qg2 13.g6 fg6 14.hg6 Qf2 15.Kd1 Qf1 0–1. adabriwala – alik63a (1685), lichess.org, 2017.

4.g4 d6

5.Be2 0-0 6.h4 e5 7.g5 Nfd7 8.d4 Re8 9.Bf3 (9.h5 Qg5 10.hg6 fg6=+) 9...c6 10.Nd2 (10.Be2 a5 11.b5 cb5-/+) 10...d5 (better 10...ed4!? 11.Nb3 c5-+) 11.de5 Ne5 12.Be5 (12.Rb1 b5=+) 12...Re5 13.Nb3 (13.Rb1 Re8-/+) 13...Bf5 (13...Re8 14.Nd4-/+) 14.Ne2 Nd7 15.Nbd4 Qb6 16.a3 a5 17.c3 ab4 (17...Be4 18.Be4 de4 19.Nf4=+) 18.ab4 Ra1 19.Qa1 Nf8 (19...Qc7 20.Qa5 Nb6 21.h5=+) 20.0-0 (20.Qa5!? Qa5 21.ba5=) 20...Bd3 21.Rd1 Qa6?? (better 21...Bc4=+) 22.Qa6+/- Ba6 (22...ba6?? 23.Rd3 c5 24.Nc6+-) 23.Ra1 (23.b5 cb5 24.Nf4+/-) 23...Ne6? (better 23...Be2 24.Be2 Re4+=) 24.Bg4?? (better 24.Nc6 bc6 25.Ra6+-) 24...Ng5 (24...Re4 25.Be6 fe6 26.b5 cb5 27.Ng3 Rh4 28.Ne6 Bc3 29.Rd1-/+) 25.Ra6 (25.Nc6!? Re4 26.Nf4=) 25...ba6=+ 26.Nc6 Ne4 (26...Re4!? 27.f3 Re3=+) 27.Ne5+= Be5 Attacks the backward pawn on c3 28.Bc8 Nc3 29.Ba6 Ne2 30.Be2 Bc3 (30...Kf8 31.b5+=) 31.b5+= Ba5 (31...d4 32.b6 de3 33.fe3+=) 32.Kg2 (better 32.Bf3!?+/-) 32...Bb6+= 33.Kg3 d4 34.ed4 Bd4 35.f4 f5 36.h5 (36.Bc4 Kg7+=) 36...Kg7= 37.hg6 hg6 38.Bc4 Kf6 39.Kf3 g5 40.fg5 Kg5 41.Bd5 f4 42.Bc6 Bb6 43.Ke4 Kg4 44.Bd7 (44.Be8 Kg3=) 44...Kg3=+ 45.Be6 (45.Bc6 f3 46.Kd3 f2=+) 45...f3 46.Bc4 Kg2 (46...f2 47.Bf1=+) 47.Kd5 (47.Bf1 Kf2=+) 47...f2 48.Kc6 f1Q?? (better 48...Ba7-/+) 49.Bf1+- Kf1 50.Kb6 Ke2 51.Kc7 Kd3 52.b6 Kc4 53.b7 Kd5 54.b8Q (54.b8Q Kc4 55.Kd6 Kd3 56.Ke5 Ke2 57.Ke4 Kd2 58.Qb2 Ke1 59.Ke3 Kd1 60.Qd2) 1-0. zembelek (2120) - pacalat (2100), Rated Blitz game, lichess.org, 2014.

5.Be2 Nbd7 6.Qc1! e5 7.c4 0-0 8.h4.

5.Bg2? Bg4 6.Qg4! Ng4 7.Bg7 Rg8 8.Bb7 Nd7 –+.

5.g5 Bg4 6.f3 Be6 7.Bb5 c6 8.gf6 ef6 9.Be2 +-.

5.g5 Nh5 6.d4 (6.Bg7 Ng7 7.Nf3 0-0=) 6...h6 7.h4 (7.gh6 Rh6 8.Qf3 Nf6=+) 7...hg5 (7...c5 8.bc5 dc5 9.Nf3=) 8.hg5= e5 (8...Bf5 9.Bb5 c6 10.Bd3 Bd3 11.Qd3=+) 9.de5 (9.Nf3 Nc6=) 9...Qg5 10.Nf3 Qd8 11.Bc3 de5 (11...d5!?=) ½–½. Lovric,Branko (2315) – Kutuzovic,Branko (2375), CRO–Cup Pula, 1995.

5.h3 b6 6.g5 Nh5 7.Bg7 Ng7 8.Bg2 c6 9.a4 e5 10.h4 d5 11.d3 f6 12.f4 ef4 13.ef4 Rf8 14.Qe2 Ne6 15.Qe3? (15.Nh3 Kd7 16.Kd1 Re8=) 15...Na6 (better is 15...Qe7 16.Ne2 Qb4 17.Qd2 Qb2-/+) 16.c3= c5 17.bc5 Nac5 18.Bh3?? (better is 18.Ne2!?=) 18...fg5 (18...d4!? 19.cd4 Qd4 20.Qd4 Nd4 21.Kf1 fg5 22.hg5–+) 19.hg5 Ba6?? (19...d4 20.cd4 Qd4 21.Qd4 Nd4 22.Bg2–+) 20.Nd2?? (better is 20.Be6!? Qe7 21.a5+=) 20...Nd3 (better is 20...d4!? 21.cd4 Qd4 (21...Nd3?! 22.Kd1 Qd4 23.Qe6 Kd8 24.Qd7 Qd7 25.Bd7 Kd7 26.Rh7 Kd6 27.Nh3-/+) 22.Qd4 Nd4–+) 21.Kd1-/+ Rc8?? 22.Qe6+- Qe7 23.Qe7 Ke7 24.Bc8 Nf2 25.Kc2 Bd3 26.Kb2 Nh1 27.Bg4 Rf4 28.Be2 Bf5 29.Ngf3 Nf2 30.Rf1 Nh3 31.Nd4 Rf1= 32.Bf1 Ng5 33.Nf5 gf5 34.c4 dc4 35.Nc4 h5 36.Ne5 Kd6 37.Nd3 h4 38.Nf4 Ke5 39.Ng2?? h3–+ 40.Ne1 f4 41.Kc2 f3 42.Kd2?? Kf4 43.Nd3 Kg3 44.Ke3 h2 45.Nf2 Nh7 46.Nh1 Kh4 47.Kf3+/– Ng5 48.Kg2 1–0. lietuvis11111 – kwiatekss, kurnik, 2012.

5.Be2 e5

6.h4 h5 7.g5 Nd5 8.a3 c5 9.c4 Nc7 10.f4 (10.bc5 dc5 11.f4 f6=) 10...Qe7 (10...0-0 11.fe5 de5 12.bc5=+) 11.Nf3= 0-0 12.bc5 ef4 (worse 12...dc5 13.fe5 Rd8 14.d4+/-) 13.cd6 Qd6 14.Bg7 Kg7 15.e4 Bg4 16.e5 (16.Qc2 Nc6=) 16...Qb6 (16...Qe7 17.Nc3 Nc6=+) 17.d4 (better 17.Nc3!?=) 17...Nc6-/+ 18.c5 (18.Qd2 Rfd8 19.c5-/+) 18...Qa5 (better 18...Qb2 19.Nbd2 Nd4 20.Nd4 Qd4-+) 19.Qd2=+ Qa4 (19...Bf3 20.Bf3 Qd2 21.Nd2 Nd4 22.Bb7=+) 20.Bd1 (20.Nc3 Qa5 21.Rd1 Rfd8=+ (worse 21...Qa3 22.0-0+=)) 20...Qc4= 21.Be2 Qd5 (better 21...Qa4!? 22.Nc3 Qa5=) 22.Nc3+/- (22.Qf4?! Bf3 23.Bf3 Qd4 24.Qd4 Nd4=+) 22...Qd8 23.0-0-0 (23.Qf4!? Bf3 24.Bf3 (worse 24.Qf3 Qd4 25.Rb1 Ne5 26.Qf6 Kg8-+) 24...Qd4 25.Qd4 Nd4 26.0-0=) 23...Ne6= Increases the pressure on d4 24.d5 Bf3 25.Bf3 Ne5 26.Be4 (better 26.de6 Qd2 27.Rd2 Nf3 28.Rd7=) 26...Nc5-/+ 27.Qd4?? (better 27.Qf4 Re8 28.Bc2-+) 27...Nb3-+ 28.Kc2 Nd4 29.Rd4 Qb6 30.Rhd1 Rac8 31.d6 Rfd8 (31...Rc3 32.Kc3 Rc8 33.Kd2 Qd4 34.Ke2 Qe4 35.Kf1 Qh1 36.Ke2 Qg2 37.Ke1 Nf3) 32.Rb4 Qc5 (32...Qe3 33.Kb1 Rc3 34.Bc2 Ra3 35.Rb5 Qc3 36.Rb2 Nc4 37.Ra2 Ra2 38.Ka2 Qb2) 33.Rb3 Qf2 (better 33...Nc4!? 34.Rd3 Qf2 35.Kc1-+) 34.Rd2 Qe3 35.Bb7 Rb8 (better 35...Rc5 36.a4 Nc4-+) 36.Bd5 (36.Rb4-+) 36...Rb3 37.Bb3 Nf3 (37...Rc8 38.Rd3 Qd3 39.Kb2 Qc3 40.Ka2 Nd3 41.Bf7 Qb2) 38.Re2 Qc5 0-1. zembelek (2100) - Berezkin (2125), Rated Blitz game, lichess.org, 2014.

6.h4 h5 7.g5 Nfd7 8.f4 0-0 9.Nf3 ef4 10.Bg7=+ Kg7 11.ef4 Re8 (11...Nb6 12.Nc3=+) 12.c4 (12.f5 c6=+) 12...Qe7 (12...d5 13.d3-/+) 13.Rh2 (13.Nc3 Nb6=+) 13...Nb6 (13...Qe4 14.Qb3-/+) 14.Qb3 Kg8 15.a4 (15.d4 Qe4 16.Rf2 Qf4-/+) 15...a5 16.Nc3 (16.b5 Be6 17.Kf2 d5-/+) 16...Na6-+ 17.ba5 (17.b5 Nc5 18.Qa2 Nd3 19.Kf1 Nf4-+) 17...Nc5 18.Qc2 (better 18.Qb1 Bf5 19.ab6 Bb1 20.Nd5-+) 18...Nc4?? (18...Bf5 19.Qd1 Nd3 20.Kf1 Ra5-+ (20...Nc4?! 21.Nd5 Qd8 22.Nf6 Kf8 23.Ne8 Qe8 24.Qc2=)) 19.Nd5+- Qe4 (19...Qd8 20.Nf6 Kf8 21.Ne8 Nd2 22.Kd2 Qe8+-) 20.Nf6 Kf8 21.Ne4 Re4 22.d3 (better 22.Qc3!? Na5 23.d4 Ne6+-) 22...Ne3 23.Qb2 Re7 (23...Rf4 24.d4 Ne6+-) 24.Qh8 1-0. zembelek (2155) - amayak (2110), Rated Blitz game, lichess.org, 2013.

5.Bg2 0-0

6.g5 Nfd7 7.Bg7 Kg7 8.Qc1 e5 9.h4 a5 10.b5 Qe7 11.Qb2 Nc5 12.d3 Nbd7 13.Nf3 Kg8 14.Nc3 Nb6 15.a4 Be6 16.Nd2 Rad8 17.d4 ed4 18.ed4 Bd5 19.Kf1 Bg2 20.Kg2 d5 21.dc5 Qc5 22.Rhe1 d4 23.Nce4 Qf5 24.f3 Nd5 25.Kf2 Nf4 26.Rh1 Nh5 27.Rag1 Rfe8 28.Rg4 Rd7 29.Re1 Red8 30.Re2 Rd5 31.Re1 Re5 32.Qa1 Nf4 33.Rf4 Qf4 34.Nf6 Kh8 35.Nde4 Qh2 0–1. Adamkosh (1805) – satnicko57 (2040), lichess.org, 2019.

6.g5 Nh5 7.Bg7 Kg7 8.Nf3 e5 9.Nc3 Bg4 10.h4 Nc6 11.e4 Nd4 12.0-0 Nf4 13.Bh1 Nh3 14.Kh2 Nf4 15.Kg3 Bh5 16.Qc1 Nde2 17.Kh2 Nc1 18.Rfc1 f6 19.d3 fg5 20.Ng5 h6 21.Nf3 Bf3 22.Bf3 Qh4 23.Kg1 Nh3 24.Kh2 Qf2 25.Kh3 Rf3 0–1. Adamkosh (1810) – sunkanmi (1635), lichess.org, 2019.

4.h3 0-0

5.a4 c6 6.Nf3 Na6 7.b5 Nc5 8.d4 Ne6 9.Bd3 a6 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 b6 13.0-0 Bb7 14.bc6 Bc6 15.Ne5 Qc7 16.Nc6 Qc6 17.f4 Nh5 18.d5 Qc5 19.de6 Qe3 20.Rf2 Ng3 21.Qc1 Qc1 22.Bc1 Bc3 23.Rf3 Nf5 24.ed7 Rd8 25.Bf5 Bd4 26.Be3 Be3 27.Re3 gf5 28.Rd3 e6 29.Kf2 Kg7 30.Kf3 Kf6 31.g4 h6 32.gf5 ef5 33.Rd6 Ke7 34.Rb6 Rd7 35.Rh6 Rd6 36.Rd6 Kd6 37.h4 Ke6 38.h5 Kf6 39.c4 Kg7 40.c5 Kh6 41.c6 Kh5 42.c7 Kg6 43.c8Q Kf6 44.Qc6 Kg7 45.Qd7 Kf6 46.Qd6 Kg7 47.Qe5 Kg6 48.Kg3 f6 49.Qe8 Kg7 50.Kh4 Kh6 51.Qh5 Kg7 52.Qf5 Kf7 53.Kh5 Kg7 54.Qg6 Kf8 55.Qf6 Ke8 56.Kg6 Kd7 57.Qf7 Kd6 58.f5 Ke5 59.f6 Kf4 60.Qe7 Kg4 61.f7 Kh3 62.f8Q Kg3 63.Qg5 Kh2 64.Qh8# 1–0. riditko – tiroli01, kurnik, 2012.

5.a4 d6 6.c4 Nbd7 7.Nc3 b6 8.Qf3 Rb8 9.d4 Bb7 10.d5 Re8 11.Nge2 e6 12.Nf4 ed5 13.cd5 Qc8 14.Bc4 c5 15.bc5 bc5 16.0-0 Bd5 17.Ncd5 Rb2 18.Nf6 Nf6 19.Nd5 Nd5 20.Bd5 Re7 21.Rab1 Rd2 22.e4 Rd4 23.a5 Ra4 24.Rb5 Qd7 25.Rb7 Qe8 26.Re7 Qe7 27.Rb1 Ra5 28.Rb7 Qf6 29.Bf7 Kf8 30.Qg4 Qe5 31.Qc8 Qe8 32.Qe8# 1–0. riditko – msidnf, kurnik, 2012.

5.c4 d5 6.cd5 Qd5 7.Nc3 Qd6 8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 b6 12.Nf3 Nbd7 13.Be2 Nc5 14.d4 Nce4 15.Ne4 Ne4 16.0-0 Bb7 17.Rd1 h5 18.Nh4 Qf6 19.g3 Qf2 20.Kh1 Ng3# 0–1. riditko – staszek7777, kurnik, 2012.

5.Nf3 a5 6.b5 a4 7.a3 d6 8.c4 Nbd7 9.Nc3 Nb6 10.d4 Be6 11.c5 Nc4 12.Bc4 Bc4 13.Na4 Bb5 14.Nc3 Ba6 15.cd6 cd6 16.Nd2 d5 17.f4 e6 18.Kf2 Rc8 19.Nb3 Nd7 20.Qd2 Nb6 21.Nc5 Nc4 22.Qe2 Nb2 23.Qb2 Bc4 24.a4 b6 25.Nb3 Qc7 26.Rhc1 f6 27.Nd2 e5 28.Nc4 dc4 29.Nb5 Qb8 30.de5 fe5 31.g3 ef4 32.Qa2 Ba1 33.Ra1 fg3 34.Kg1 Qe5 35.Re1 Qc5 36.Re2 Rf2 37.Rf2 gf2 38.Kf2 Rf8 39.Ke2 Re8 40.Qd2 c3 41.Nc3 Qc4 42.Kd1 1–0. riditko – iraklion, kurnik, 2012.

5.Nf3 b6 6.c4 Bb7 7.Be2 d5 8.cd5 Nd5 9.Bg7 Kg7 10.0-0 Nb4 11.Qb3 c5 12.Nc3 Nd5 13.Nd5 Bd5 14.Qc3 f6 15.Rad1 Nc6 16.d4 Bf3 17.Bf3 Qc7 18.dc5 Rac8 19.cb6 Qb6 20.Rb1 Qa6 21.Bc6 Rc6 22.Qb3 Rfc8 23.a4 Rc3 24.Qb5 Qb5 25.ab5 Rb8 26.g4 Rc5 27.Rfd1 Kf7 28.Rd7 Rcb5 29.Rb5 Rb5 30.Ra7 h5 31.Kg2 hg4 32.hg4 g5 33.Kg3 Rb3 34.Kf3 Ke6 35.Ke4 Rb4 36.Kf3 Rb2 37.Kg3 Ke5 38.Ra5 Ke6 39.Ra7 Kf7 40.Kf3 Rb1 41.Ke4 Rg1 42.f3 Re1 43.Rb7 Ra1 44.Rb4 Ra3 45.Rc4 e6 46.Rc7 Kg6 47.Re7 f5 48.gf5 ef5 49.Kd5 Ra5 50.Kd4 Kf6 51.Re8 Ra4 52.Kd3 g4 53.fg4 fg4 54.Rg8 Kf5 55.Ke2 Ra2 56.Kd3 Rg2 57.e4 Kf4 58.Rf8 Kg3 59.Ke3 Rg1 60.Rg8 Re1 61.Kd4 Kf2 62.Rg4 Rd1 63.Ke5 Rd8 64.Rf4 Kg3 65.Rf5 Re8 66.Kd5 Rd8 67.Ke6 Re8 68.Kd5 Rd8 69.Kc6 Re8 70.Kd5 ½–½. riditko – frodo4, kurnik, 2012.

5.Nf3 b6 6.Be2 Bb7 7.0-0 a5 8.b5 c5 9.a4 d5 10.c4 e6 11.cd5 Nd5 12.Bg7 Kg7 13.d4 Nd7 14.dc5 Nc5 15.Qc2 Qf6 16.Ra3 Nb4 17.Qc3 Rac8 18.Qf6 Kf6 19.Nd4 e5 20.Nf3 Rfd8 21.Nc3 Bf3 22.Bf3 Rd3 23.Ne4 Ne4 24.Rd3 Nd3 25.Be4 Nc5 26.Bc6 Na4 27.Rd1 Kg7 28.g4 Rc7 29.Kg2 Nc5 30.f3 a4 31.Kg3 a3 32.Ra1 Ra7 33.Bd5 Ra5 34.Bc4 Ra4 35.Be2 a2 36.e4 Nb3 37.Bd1 Na1 38.Ba4 Nb3 39.Bb3 a1Q 40.Bd5 Qg1 41.Kh4 f6 42.Bc6 Qf2# 0–1. riditko – pangas, kurnik, 2012.

5.Nf3 Nd5 6.Bg7 Kg7 7.c4 Nb4 8.Qb3 N4c6 9.Be2 d6 10.0-0 Na6 11.d4 Kg8 12.d5 Nc5 13.Qc2 Bf5 14.Qc1 Nb4 15.Na3 a6 16.Nd4 Bd7 17.Nac2 Nc2 18.Qc2 b5 19.cb5 ab5 20.Nb5 Bb5 21.Bb5 Kg7 22.Bc6 Ra7 23.Qc3 f6 24.f4 Ne4 25.Qd4 Nc5 26.f5 Qc8 27.fg6 hg6 28.Rf3 Rh8 29.Rg3 Rh6 30.a4 1–0. riditko – gimmi201, kurnik, 2012.

5.Nf3 Ne4 6.Bg7 Kg7 7.Bd3 f5 8.Be4 fe4 9.Nd4 e5 10.Nb3 b6 11.Qg4 d5 12.Qg3 Qe7 13.a3 Nc6 14.Nc3 Be6 15.b5 Na5 16.Na5 ba5 17.Qe5 Qf6 18.Qc7 Rf7 19.Qa5 Qf2 20.Kd1 Qg2 21.Re1 Bh3 22.Nd5 Bg4 23.Kc1 Rd7 24.c4 Rc8 25.Kb2 Rc4 26.Rac1 Qd2 27.Qd2 Rc1 28.Rc1 Be6 29.Rc7 Rf7 30.Qd4 Kh6 31.Rf7 Bf7 32.Qe4 g5 33.Nf6 Bg6 34.Qe7 Bd3 35.Qa7 Kg6 36.Nh7 Kf5 37.Nf8 Ke4 38.b6 Ke3 39.b7 1–0. riditko – maik53, kurnik, 2012.

5.Nf3 e5 6.Ne5 Nd5 7.Nd3 Bb2 8.Nb2 d6 9.b5 Bf5 10.c4 Nb6 11.Be2 d5 12.c5 N6d7 13.d4 c6 14.a4 Nf6 15.0-0 Ne4 16.f3 Ng3 17.Rf2 Qg5 18.f4 Qh6 19.Kh2 Ne4 20.Rf1 Qh4 21.Bg4 Qg3 22.Kh1 Nf2 23.Rf2 Qf2 24.Bf5 gf5 25.Qd2 Qf1 26.Kh2 Kh8 27.Qd1 Qf2 28.Qd2 Qh4 29.Nc3 Rg8 30.Rg1 Qg3 31.Kh1 Rg6 32.a5 Nd7 33.bc6 bc6 34.Nba4 Rag8 35.Nd1 Rh6 0–1. riditko – rhasanov58, kurnik, 2012.

5.Nf3 Nh5 6.Bg7 Ng7 7.Bd3 b6 8.0-0 Bb7 9.c4 d6 10.a4 e5 11.Nc3 Nd7 12.e4 Nf6 13.b5 c5 14.bc6 Bc6 15.Nd5 Bd5 16.cd5 Nd7 17.Qe2 Nc5 18.Bb5 Nh5 19.Bc6 Rb8 20.d4 Nb7 21.de5 Nf4 22.Qe3 de5 23.Ne5 Qg5 24.Qg3 Qe5 25.f3 Ne2 26.Kh1 Ng3 0–1. riditko – kenez55, kurnik, 2012.

5.g4 a6 6.h4 Ne8 7.Bg7 Kg7 8.d4 f5 9.gf5 Rf5 10.h5 g5 11.Qg4 d6 12.e4 Rb5 13.Qg3 Rb4 14.f4 g4 15.f5 Nf6 16.h6 Kh8 17.e5 de5 18.de5 Re4 19.Ne2 Re5 20.Qe5 Nc6 21.Qg3 Bf5 22.Bg2 Bc2 23.Bc6 Qd1 24.Kf2 Qd8 25.Bb7 Rb8 26.Ba6 Ne4 27.Kg2 Ng3 28.Kg3 Qd6 29.Kg4 Qa6 30.Nf4 Qc4 31.Nd2 Rg8 32.Kf3 Qa4 33.Rae1 Qa3 34.Ke2 Qa2 35.Rhg1 Bf5 36.Rg8 Kg8 37.Rg1 Kf7 38.Rg7 Kf6 39.Nh5 Ke5 40.Re7 Kd5 41.Nf4 Kc5 42.Re5 Kb6 43.Rf5 Qa6 44.Nd3 Kb7 0–1. riditko – vajar, kurnik, 2012.

5.c4 a5

6.b5 c6 7.a4 cb5 8.cb5 b6 9.Nc3 Bb7 10.Nf3 d6 11.Be2 Nbd7 12.0-0 Nc5 13.d4 Nce4 14.Ne4 Ne4 15.Bd3 Rc8 16.Be4 Be4 17.Nd2 Bb7 18.e4 Qd7 19.Rb1 f5 20.e5 de5 21.de5 Rfd8 22.Nf3 Qd1 23.Rfd1 Bf3 24.Rd8 Rd8 25.gf3 f4 26.Kg2 g5 27.h4 h6 28.Kh3 Kf7 29.Kg4 Ke6 30.hg5 hg5 31.Kg5 Be5 32.Re1 Rg8 33.Kh6 Rg2 34.Re5 Kf7 35.Bd4 Rh2 36.Kg5 Rg2 37.Kf4 1–0. riditko – kotek247, kurnik, 2012.

6.b5 d6 7.a4 e5 8.Nc3 Be6 9.Nf3 c6 10.Be2 Nbd7 11.0-0 Nh5 12.d4 f5 13.de5 de5 14.Qd2 Nc5 15.Qd8 Rad8 16.Ng5 h6 17.Ne6 Ne6 18.Bh5 gh5 19.Ne2 Rd2 20.Bc3 Re2 21.Ba5 f4 22.ef4 ef4 23.Rad1 Bd4 24.bc6 bc6 25.Rb1 Ra8 26.Bb6 Ra4 27.c5 Bc5 28.Bc5 Nc5 29.Rb6 Ra6 30.Ra6 Na6 31.Rc1 Re6 32.Ra1 Nc7 33.Ra7 Nd5 34.Ra6 Kf7 35.g3 Kg6 36.gf4 Nf4 37.h4 Kf5 38.Ra5 Kg4 39.Ra4 Kh3 40.Rf4 Re1# 0–1. riditko – depion (1775), kurnik, 2012.

5.c4 b6

6.a4 Bb7 7.b5 d6 8.Nf3 Nbd7 9.Nc3 Nc5 10.Be2 e5 11.0-0 e4 12.Nh2 Nfd7 13.d4 ed3 14.Bd3 Nd3 15.Qd3 Ne5 16.Qc2 Nc4 17.Rad1 Nb2 18.Qb2 Qg5 19.f3 Qe3 20.Kh1 Qf4 21.Qc2 Be5 22.Ng4 Bg7 23.Ne2 Qg5 24.Qc7 Rab8 25.Qd6 h5 26.Nh2 Qe3 27.Ng3 Be5 28.Qd3 Qf4 29.Qe3 Qg3 30.Qg1 Rbd8 31.Rd8 Rd8 0–1. riditko – incognitojp, kurnik, 2012.

6.Nf3 Bb7 7.Be2 d6 8.a4 e6 9.0-0 Nc6 10.b5 Na5 11.Bc3 Rb8 12.Ba5 ba5 13.Ra2 c6 14.Nc3 cb5 15.ab5 d5 16.cd5 Nd5 17.Nd5 Qd5 18.Qa4 Qd8 19.Qa5 Qa5 20.Ra5 Ra8 21.Rc1 Rfc8 22.Rc8 Bc8 23.d4 Bf8 24.b6 Bb4 25.Rb5 Bd6 26.b7 Bb7 27.Rb7 a5 28.Rb2 a4 29.Ra2 a3 30.Bc4 Rb8 31.Ne5 Rb1 32.Kh2 f6 33.f4 fe5 34.de5 Bb4 35.Be6 Kg7 36.e4 Rb2 37.Ra1 Re2 38.f5 gf5 39.ef5 Re5 40.g4 Re3 41.Kg2 Bc5 42.g5 Bd4 43.f6 Kf8 44.Rb1 Bf6 45.gf6 Re6 46.Ra1 Ra6 47.Ra2 Kf7 48.Kf3 Kf6 49.h4 Kf5 50.Kg3 h5 51.Kf3 Ra4 52.Kg3 Ke5 53.Kf3 Kd5 54.Ke3 Rh4 55.Kf3 Ra4 56.Kg3 h4 57.Kh3 Ke5 58.Kh2 Kd4 59.Kh3 Kc3 60.Rg2 Kb3 61.Rf2 a2 62.Rf3 Kb2 63.Rf2 Kc1 0–1. riditko – valonk, kurnik, 2012.

5.c4 d6

6.a4 e5 7.b5 Nbd7 8.Nf3 Ne8 9.Be2 f5 10.0-0 Nef6 11.d3 Nc5 12.Nbd2 Qe7 13.Rb1 h6 14.d4 Nce4 15.de5 de5 16.Ne5 Nd2 17.Qd2 Ne4 18.Ng6 Nd2 19.Ne7 Kh8 20.Bg7 Kg7 21.Rbd1 Nf1 22.Kf1 Be6 23.Nd5 Bd5 24.Rd5 Rad8 25.Bf3 Rd5 26.Bd5 b6 27.f3 Kf6 28.Ke2 Ke5 29.e4 fe4 30.fe4 h5 31.g3 Rf6 32.Ke3 Rf1 33.Bc6 Ra1 34.g4 hg4 35.hg4 Ra4 36.Kd3 Ra3 37.Kc2 Rg3 38.Bd5 Rg4 39.Bc6 Re4 40.Be4 Ke4 41.Kc3 Ke3 42.Kb4 Kd2 43.c5 Kd3 44.cb6 ab6 45.Ka4 Kc4 46.Ka3 Kb5 47.Kb3 c5 48.Kc3 Ka4 49.Kc4 Ka3 50.Kb5 Kb3 51.Kb6 c4 52.Kb5 c3 0–1. riditko – rinnegan7, kurnik, 2012.

6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.h3).

5.Nf3 d5

6.c4 c6 7.cd5 cd5 8.Be2 Nbd7 9.d4 Re8 10.0-0 Qc7 11.a4 e5 12.de5 Ne5 13.Ne5 Ne4 14.Nd3 Bb2 15.Nb2 Nc3 16.Nc3 Qc3 17.Nd3 Bf5 18.Rc1 Qf6 19.Rc5 Red8 20.Nf4 Be4 21.f3 g5 22.Nh5 Qg6 23.fe4 de4 24.Qb3 Rd6 25.Qc4 Rad8 26.Rff5 h6 27.Qb5 b6 28.Rcd5 Rd5 29.Rd5 Rc8 30.Ng3 Rc1 31.Kh2 Kg7 32.Nf5 Kh7 33.Rd7 Qe6 34.Rd5 1–0. riditko – cicicici, kurnik, 2012.

6.Be2 b6 7.0-0 c5 8.bc5 bc5 9.d4 Ne4 10.a3 Nc6 11.c3 c4 12.Qa4 Bd7 13.Qa6 Qb6 14.Qb6 ab6 15.Nbd2 Nd2 16.Nd2 e5 17.de5 Ne5 18.Nf3 Be6 19.Rfd1 Nf3 20.Bf3 b5 21.Bd5 Rad8 22.Be6 fe6 23.Rd8 Rd8 24.a4 Rd2 25.Ba3 Bc3 26.ab5 Bb2 27.Ra2 c3 28.Bb4 Rd1 29.Kh2 c2 30.Rb2 c1Q 31.Ra2 Qb1 32.Ra8 Kf7 33.Ra7 Ke8 34.Bc3 Qb5 35.Rh7 Rc1 36.Bd4 e5 37.Rh8 Kf7 38.Rh7 Kg8 39.Rh6 ed4 40.ed4 Kg7 41.Rh4 Qb8 42.g3 Rc2 43.Rf4 g5 44.Rf3 Qb2 45.Kg2 Qd4 46.h4 Qe4 47.hg5 Kg6 48.g4 Kg5 49.Kg3 Qg4 50.Kh2 Qf3 0–1. riditko – giovanni5, kurnik, 2012.

6.Be2 c6 7.a4 Nbd7 8.0-0 Qc7 9.c4 e5 10.cd5 Nd5 11.e4 Nf4 12.Nc3 Ne2 13.Qe2 Qd6 14.b5 a6 15.Rfd1 ab5 16.ab5 Ra1 17.Ba1 Nb6 18.d4 ed4 19.bc6 bc6 20.Qd3 c5 21.Nd5 Nd5 22.ed5 Qd5 23.Nd2 Bf5 24.Qb3 Rd8 25.Qd5 Rd5 26.Rc1 Bf8 27.g4 Bd3 28.Nf3 h6 29.Kg2 Be4 30.Kg3 Bf3 31.Kf3 f6 32.Ke2 Kf7 33.Kd3 Re5 34.Rc2 Ke6 35.Kc4 Re1 36.Bb2 Rh1 37.Kb5 Rh3 38.Bd4 cd4 39.Rc6 Bd6 40.Kc4 d3 41.Kc3 Rf3 42.Kd2 Rf2 43.Kd3 Rf4 44.Ke3 Rg4 45.Kf3 h5 46.Ra6 Rf4 47.Kg2 g5 48.Kh3 Rf3 49.Kg2 g4 50.Rc6 f5 51.Ra6 h4 52.Ra4 h3 53.Kg1 f4 54.Ra6 Kd5 55.Ra5 Bc5 56.Kh2 Rf2 57.Kg1 Rg2 58.Kf1 h2 59.Kg2 f3 60.Kh2 Kc4 0–1. riditko – hayk57 (1630), kurnik, 2012.

6.Be2 Qd6 7.b5 c5 8.a4 Re8 9.0-0 Nbd7 10.c4 e6 11.cd5 ed5 12.d4 b6 13.dc5 bc5 14.Nc3 Bb7 15.Qc2 Rac8 16.Rad1 Qe7 17.a5 d4 18.ed4 cd4 19.Nd4 Ne4 20.Qd3 Ne5 21.Qe3 Nc3 22.Bc3 Qc5 23.Rc1 Nc4 24.Qf4 Be5 25.Qg4 h5 26.Qh4 Qd6 27.Bc4 Rc4 28.g3 Bd4 29.Bd4 Rd4 30.Qg5 Rd5 31.Qh6 Rb5 32.Rcd1 Qc6 33.Qf4 1–0. riditko – carokannnn, kurnik, 2012.

6.Be2 Nbd7 7.c4 c6 8.cd5 cd5 9.0-0 b6 10.a4 Bb7 11.d4 Re8 12.b5 Nh5 13.Nc3 e5 14.Ne5 Ne5 15.de5 Be5 16.Bh5 Qf6 17.Rc1 gh5 18.Qh5 Kh8 19.Rc2 Rg8 20.Nd5 Bd5 21.Bc3 Rg2 22.Kh1 Rg5 0–1. riditko – ojropocztery, kurnik, 2012.

5.Nf3 d6

6.Nc3 e5+=.

6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.h3).

6.d4 Nc6 7.b5 Nb4 8.a3=.

6.d4 Re8 7.Bd3 (7.Nc3 a6=) 7...Nfd7 (better is 7...Nc6!?-/+) 8.0-0 (8.Nbd2 e5=) 8...e5 9.e4 (9.Nbd2!?=) 9...Nc6-/+ 10.c3 (better is 10.d5 Nb4 11.Be2+=) 10...Ne7 (10...ed4 11.cd4 Nb4 12.Nc3-/+) 11.d5 (11.Nbd2 a5 12.a3 Nb6+=) 11...f5 (11...Nd5 12.ed5 e4 13.Be4 Re4 14.Nbd2+=) 12.Qc2 (12.Nbd2+=) 12...f4 (12...fe4!? 13.Be4 Nf6-/+) 13.g4 (better is 13.Nbd2!?+/–) 13...fg3= 14.fg3 Nf6 (14...Rf8 15.Nbd2 Nb6 16.Kh2=) 15.g4 (15.Kh2 c6 16.c4 Rf8=) 15...h6 16.Nbd2 (16.Bc4 Bd7=) 16...g5 17.Bc4 (17.Nc4!?=) 17...Ng6-/+ 18.Rf2 (better is 18.Kh2!?-/+) 18...Nf4–+ 19.Rh2 Bd7 (19...h5 20.Ng5 Ng4 21.Ndf3 Nh2 22.Kh2–+) 20.a4 (20.Kh1 a5-/+) 20...Qc8 (20...h5 21.Ng5 Ng4 22.Ndf3 Nh2 23.Kh2–+) 21.Bf1 (21.Nf1 h5 22.Ne3 Qd8–+) 21...Rf8–+ 22.Nc4 Nh7 (22...h5 23.gh5 Bh3 24.Bh3 Nh3 25.Rh3 Qh3 26.Ng5–+) 23.Qd1 (23.Ne3 a5=) 23...Bg4 (better is 23...h5 24.Rf2 hg4 25.hg4 Bg4–+) 24.hg4= Qg4 25.Kh1 Nh5 (25...Qg3 26.Nfd2 Nf6 27.Qe1 Qe1 28.Re1=) 26.Bg2 (26.Bh3 Qe4 27.Be6 Kh8=) 26...Ng3= 27.Kg1 Ne4 (27...Nf6 28.Rh3=) 28.Nfd2+= Qd1 29.Rd1 Nd2 (29...Nf2 30.Rf1 Nd3 31.Ne4+=) 30.Nd2+/– Rf4 31.c4 (31.Ne4 a5+/–) 31...Raf8 (31...Nf6 32.Ra1+=) 32.Bh3 (32.Ne4!?+=) 32...g4= 33.Bg2 g3 (better is 33...Ng5=) 34.Rh3+/– Rg4 35.Nf1?? (35.Bf3 Rf3 36.Nf3 Rc4+/–) 35...Rf2?? (better is 35...Ng5 36.Rh5 Rc4 37.Ng3 Rg4-/+) 36.Rg3?? (better is 36.Ne3 Rgf4 37.Bc1+/–) 36...Rf1!–+ 37.Rf1 (37.Rf1 Rg3 Remove defender; 37.Kf1 Rf4 Double attack (37...Rg3 Remove defender); 37.Bf1 Rg3 Remove defender) 37...Rg3 38.Rf3 (38.Bc1 Rg4–+) 38...Rf3 (better is 38...Rg4!?–+) 39.Bf3 Ng5 (39...Nf6 40.Bc1–+) 40.Bg4-/+ e4 41.Bg7? (better is 41.Bc1 Bd4 42.Kf1-/+) 41...Kg7–+ 42.Kf2 (42.Bc8 b6–+) 42...Kg6 (better is 42...Kf6 43.Ke3 Ke5 44.b5–+) 43.c5? (43.Kg3–+) 43...h5 44.Bc8 b6 45.cb6 cb6 46.a5 (46.Kg3–+) 46...h4 47.Ke3 (47.ab6 ab6 48.Ba6 Kf6–+) 47...Kf6 (47...ba5 48.ba5 h3 49.Kf4–+) 48.Kf4 (48.ab6 ab6 49.Kf4 h3–+) 48...h3 (better is 48...ba5!? 49.ba5 h3 50.Kg3–+) 49.Bh3 (49.Kg3 ba5 50.ba5 Ke5–+) 49...Nh3 50.Ke4 ba5 51.ba5 (51.b5 a4 52.Kd4–+) 51...a6 52.Kd4 (52.Kf3 Kg5 53.Ke4 Kg4 54.Kd3 Kf4 55.Kd2 Ke4 56.Ke2 Nf4 57.Kf2 Nd5 58.Kg3 Nf4 59.Kf2 Nd3 60.Kg3 d5 61.Kg4 Nf4 62.Kg5 d4 63.Kh6 d3 64.Kh7 d2 65.Kh8 d1Q 66.Kg7 Qd8 67.Kf7 Qd7 68.Kf6 Ne6 69.Kg6 Qg7 70.Kh5 Qg5) 52...Kf5 53.Kc4 (53.Kd3 Kf4 54.Kd2 Ke4 55.Kc1 Nf2 56.Kd2 Nd3 57.Kc3 Nf4 58.Kb2 Nd5 59.Kc1 Ke3 60.Kd1 Nf4 61.Kc2 d5 62.Kd1 d4 63.Kc2 d3 64.Kc3 d2 65.Kb2 d1Q 66.Ka3 Nd3 67.Ka2 Qa4 68.Kb1 Qb3 69.Ka1 Qb2) 53...Ke5 54.Kd3 Kd5 55.Kc3 (55.Ke3 Ke5 56.Kd3 d5 57.Kc3 Nf2 58.Kb4 Nd3 59.Kc3 Nf4 60.Kb2 d4 61.Kb3 d3 62.Kc3 Ke4 63.Kd2 Kd5 64.Kc3 Ke5 65.Kd2 Ke4 66.Kc3 Ke3 67.Kb3 Kd4 68.Kb2 Ne2 69.Kb3 Nc3 70.Kb2 d2 71.Kb3 d1Q 72.Kb2 Kc4 73.Ka3 Qb3) 55...Nf4 (55...Ke4 56.Kc4 Ng1 57.Kb4 Nf3 58.Kc3 Nd4 59.Kc4 Ne2 60.Kb3 d5 61.Kb4 Kd4 62.Kb3 Nf4 63.Kc2 Ke3 64.Kc3 Ke4 65.Kb3 d4 66.Kb4 Kd5 67.Kb3 d3 68.Kb2 Ne2 69.Kb3 Kd4 70.Kb4 d2 71.Kb3 d1Q 72.Ka3 Kc3 73.Ka2 Nd4 74.Ka3 Qb3) 56.Kb4 (56.Kc2 Ke4 57.Kc3 d5 58.Kb3 Ke3 59.Kb4 Kd4 60.Kb3 Ke4 61.Kc3 d4 62.Kc4 Ne6 63.Kb4 d3 64.Kc3 Nf4 65.Kd2 Nd5 66.Kc1 Ke3 67.Kb2 Nf6 68.Kb3 d2 69.Kc3 d1Q 70.Kb2 Kd3 71.Ka3 Kc2 72.Kb4 Qd5 73.Ka4 Qb3) 56...Kd4 57.Kb3 d5 58.Kb4 (58.Kc2 Ke3 59.Kb3 Ne6 60.Kc2 d4 61.Kb3 d3 62.Kb2 Nf4 63.Kc1 d2 64.Kd1 Ng6 65.Kc2 Ne5 66.Kd1 Nd3 67.Kc2 Nf2 68.Kc3 d1Q 69.Kb4 Kd4 70.Ka3 Qb1 71.Ka4 Kc4 72.Ka3 Qb3) 58...Ne6 59.Ka4 (59.Kb3 Ke3 60.Kb2 Nf4 61.Kb3 Nh3 62.Ka3 Nf2 63.Ka4 Kd2 64.Kb4 Ne4 65.Kb3 Ke2 66.Ka3 Nc5 67.Kb4 Nd7 68.Kb3 Kd3 69.Kb4 Ke3 70.Kb3 d4 71.Kc4 d3 72.Kc3 d2 73.Kc4 d1Q 74.Kc3 Nc5 75.Kb2 Kd4 76.Ka2 Kc3 77.Ka3 Qb3) 59...Kc4 (59...Kc4 60.Ka3 Kc3 61.Ka2 Nd4 62.Ka1 Nb3 63.Ka2 d4 64.Ka3 d3 65.Ka2 d2 66.Ka3 d1Q 67.Ka2 Qa1; 59...Kc3 60.Ka3 d4 61.Ka2 d3 62.Ka1 d2 63.Kb1 Kb3 64.Ka1 d1Q) 0–1. Lee Wing Kin – Choy,Hong Lui Ronald, HongAKongAOpenA, 2016.

4.h3 a5

5.b5 b6 6.a4 d6 7.c4 Nbd7 8.Qf3 Nc5 9.Qa8 0-0 10.Be2 Nb3 11.Ra3 Nd2 12.Nd2 1–0. riditko – pioneter48, kurnik, 2012.

5.b5 d6 6.a4 c6 7.c4 0-0 8.Nc3 cb5 9.ab5 b6 10.Nf3 Nbd7 11.Be2 Nc5 12.0-0 Nfe4 13.d3 Nc3 14.Bc3 Bc3 15.Rb1 Bg7 16.d4 Nd7 17.Bd3 Bb7 18.e4 e6 19.d5 ed5 20.cd5 Ne5 21.Ne5 Be5 22.f4 Bd4 23.Kh1 Bg7 24.Ra1 Qd7 25.Ra2 Bc8 26.Rf3 Qd8 27.f5 Ra7 28.fg6 fg6 29.Rg3 Qf6 30.Rf2 Qf2 31.Rf3 Qd4 32.Rf8 Bf8 33.Qf3 Rf7 34.Qg3 Qf2 35.e5 Qg3 0–1. riditko – adamio, kurnik, 2012.

4.h3 b6

5.Qf3 Nc6?? 6.b5+- Nb4 7.Na3?? (better is 7.Qa8!? Nc2 8.Kd1 Na1 9.Ba1+-) 7...Rb8+/– 8.e4 d5 9.e5 Nh5 10.g4 Bb7?? 11.d4+- Nf6 12.ef6 Bf6 13.c3 Qd6 14.cb4 1–0. nakpim – petko78, kurnik, 2012.

5.Qf3 d5=.

5.Nf3 a5 6.b5 a4 7.a3 0-0 8.Be2 d6 9.0-0 Bd7 10.c4 d5 11.Nc3 dc4 12.Bc4 Ra5 13.Na4 Bb5 14.Bc3 Ba4 15.Ba5 Bd1 16.Bb6 Bf3 17.Bc7 Qc7 18.Bf7 0–1. riditko – adamio, kurnik, 2012.

5.Nf3 Bb7 6.c4 Nc6 7.b5 Nb8 8.a4 a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 0-0 12.Be2 d6 13.0-0 Qd7 14.Nd5 Nd5 15.Bg7 Nf6 16.Bf8 Kf8 17.d4 Qf5 18.d5 Ne4 19.Qa7 Qc8 20.Bd3 Nc5 21.Bc2 Nbd7 22.Ng5 h6 23.Ne4 Kg7 24.Nc5 Nc5 25.Re1 Qd7 26.e4 e6 27.Qa1 Kg8 28.Qf6 ed5 29.ed5 Qc8 30.Re7 Qf8 31.Rc7 Ba8 32.h4 Qe8 33.h5 g5 34.Qh6 Qe1 35.Kh2 Qe5 36.g3 Ne4 37.Rc8 1–0. riditko – slavisko, kurnik, 2012.

5.Nf3 Bb7 6.Be2 d6 7.0-0 Nbd7 8.c4 0-0 9.a4 c5 10.b5 a6 11.Nc3 ab5 12.ab5 Qc7 13.Nd5 Nd5 14.Bg7 Kg7 15.cd5 Bd5 16.Nh2 e6 17.Bf3 Bf3 18.Qf3 Ra1 19.Ra1 Ne5 20.Qe4 Qd7 21.d4 Nc4 22.dc5 d5 23.Qd4 e5 24.Qc3 bc5 25.Nf3 f6 26.b6 Qc6 27.Rb1 Rb8 28.Nd2 Nd2 29.Qd2 Rb6 30.Rb6 Qb6 31.g4 Qb4 32.Qd5 c4 33.Qd7 Kh6 34.h4 c3 35.g5 fg5 36.hg5 Kg5 37.Qd1 Qg4 38.Qg4 Kg4 39.Kf1 c2 40.Ke1 c1Q 0–1. riditko – dardani, kurnik, 2012.

5.g4 Bb7 6.Nf3 Nc6 7.b5 Nb8 8.Bg2 a6 9.ba6 Ra6 10.0-0 d6 11.Ng5 Bg2 12.Kg2 Qd7 13.Nc3 Ng4 14.Qg4 Qg4 15.hg4 Nc6 16.Nf3 0-0 17.d4 Na5 18.Nd5 Nc4 19.Bc3 c5 20.Ne7 Kh8 21.Nd5 b5 22.dc5 dc5 23.Bg7 Kg7 24.a4 b4 25.e4 Rfa8 26.e5 Ra4 27.Ra4 Ra4 28.Rb1 Ra2 29.c3 bc3 30.Nc3 Rc2 31.Ne4 Na3 32.Ra1 Nb5 33.Nd6 Nd6 34.ed6 Rb2 35.Ra6 Rb7 36.Rc6 Rd7 37.Ne5 Rd8 38.d7 f6 39.Rc8 Rd7 40.Nd7 Kf7 41.Rc5 Ke6 42.Nb6 Kd6 43.Rc1 Ke5 44.Nd7 Ke6 45.Nc5 Ke5 46.f3 f5 47.gf5 Kf5 48.Nd3 h5 49.Rc4 g5 50.Kg3 h4 51.Kh3 Kg6 52.Rg4 Kh5 53.Ne5 Kh6 54.Nf7 Kg6 55.Ng5 Kh5 56.Ne4 Kh6 57.Kh4 Kh7 58.Kh5 Kh8 59.Rg6 Kh7 60.Nf6 Kh8 61.Rg8# 1–0. riditko – slavisko (1630), kurnik, 2012.

5.c4 Bb7

6.b5 0-0 7.Nf3 Ne4 8.Bg7 Kg7 9.d3 Nd6 10.Nc3 e6 11.a4 a6 12.Be2 ab5 13.ab5 Kg8 14.0-0 c6 15.bc6 dc6 16.Ne5 Nd7 17.Nd7 Qd7 18.Bf3 Ra1 19.Qa1 Ra8 20.Qb2 Ra7 21.Qb6 Ra6 22.Qb2 Nf5 23.Ne4 Qc7 24.Nf6 Kf8 25.Nh7 Kg8 26.Nf6 Kf8 27.Ne4 c5 28.Qh8 Ke7 29.Qf6 Ke8 30.Qh8 Ke7 31.Rb1 Ra8 32.Qf6 Kf8 33.Nc5 Bf3 34.Ne6 Kg8 35.Nc7 Bc6 36.Na8 Ba8 37.Rb8 Kh7 38.Ra8 Ne7 39.Rh8# 1–0. riditko – adamio, kurnik, 2012.

6.Nf3 0-0 7.Be2 d5 8.cd5 Bd5 9.0-0 Nbd7 10.Bf6 Bf6 11.d4 c5 12.Nc3 cb4 13.Nd5 Bg7 14.Qb3 a5 15.Bb5 e5 16.de5 Ne5 17.Ne5 Be5 18.Rad1 Qb8 19.f4 Bg7 20.Ne7 Kh8 21.e4 Bf6 22.Nc6 Qe8 23.e5 Bg7 24.Na5 Qb5 25.Nc4 Rfc8 26.Nd6 Qc5 27.Kh1 Rd8 28.Nf7 Kg8 29.Nd8 Kh8 30.Ne6 Qc3 1–0. riditko – rhasanov58, kurnik, 2012.

6.Nf3 c5 7.bc5 bc5 8.Ba3 d6 9.Nc3 Nbd7 10.Bb2 Rb8 11.a4 a6 12.Rb1 Nb6 13.Be2 Nbd7 14.0-0 0-0 15.d4 cd4 16.ed4 Re8 17.d5 Nc5 18.Ba3 Qa5 19.Bc5 Qc5 20.Qd2 Ba8 21.Rb8 Rb8 22.Rb1 Rb1 23.Nb1 Ne4 24.Qd3 Nf2 25.Qa3 Nh3 26.Kh2 Qf2 27.Kh3 Qe2 28.Qb3 Be5 29.Qb8 Kg7 30.Qa8 Qe4 31.Qb7 h5 32.Nbd2 Qf4 33.Qe7 Qg4# 0–1. riditko – pioneter48, kurnik, 2012.

6.Nf3 e6 7.b5 Qe7 8.a4 d6 9.Nc3 0-0 10.Be2 c6 11.0-0 cb5 12.ab5 a6 13.ba6 Na6 14.d4 d5 15.cd5 Nd5 16.Nd5 ed5 17.Ba6 Ba6 18.Re1 Bb7 19.Qb3 Ra1 20.Ra1 Qe6 21.Ng5 Qf6 22.Nf3 h5 23.Ne5 Qf5 24.Qb6 Bc8 25.Qc7 Be6 26.Ra7 Rc8 27.Qb7 Rf8 28.Ra8 Ra8 29.Qa8 Kh7 30.Nc6 Qb1 31.Kh2 Qb2 32.Ne7 Qf2 33.Qg8 Kh6 34.h4 Qe3 35.Qd8 Qd4 36.Ng8 Kh7 37.Ne7 Qh4 38.Kg1 Bd4 39.Kf1 Qf4 40.Ke2 Bg4 41.Ke1 Qe3 42.Kf1 Qf2# 0–1. riditko – perchentiany, kurnik, 2012.

6.Nf3 Bf3 7.Qf3 Nc6 8.b5 Nb4 9.Na3 0-0 10.Bc3 a5 11.Rb1 Nh5 12.Bb4 ab4 13.Nc2 Ra2 14.Nb4 Ra4 15.Be2 Qa8 16.0-0 Qa5 17.Nd5 e6 18.Nc7 Rc8 19.Ne6 de6 20.Qb7 Qa7 21.Qc8 Bf8 22.Bh5 gh5 23.f4 Qa8 24.Qc7 Qa7 25.Qe5 Bg7 26.Qh5 Qe7 27.Rf3 Rc4 28.Rg3 Rc5 29.Qg4 Qf8 30.d4 Rc7 31.f5 ef5 32.Qf5 f6 33.Rf1 Rf7 34.Qe6 Kh8 35.d5 Re7 36.Qf5 Qb8 37.Rg4 Re5 38.Qf4 1–0. riditko – adamio, kurnik, 2012.

4.h3 c6

5.c4 Qb6 6.b5 cb5 7.cb5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d6 11.Nc3 Bd7 12.Nf3 Be6 13.Be2 0-0 14.0-0 Nbd7 15.d4 Rc8 16.Na4 Qc7 17.b6 Nb6 18.Nb6 Qb6 19.Qd3 Nd5 20.Rb1 Qc7 21.Nd2 Ra8 22.Nc4 b6 23.e4 Nf4 24.Qe3 Ne2 25.Qe2 Qc4 26.Qc4 Bc4 27.Bc3 b5 28.g4 Ra3 29.Bb2 Rb3 30.f4 Bd4 31.Bd4 Rb1 32.Kf2 f6 33.e5 fe5 34.fe5 de5 35.Be5 e6 36.g5 Rb3 37.h4 Rh3 38.Bf6 Rh4 39.Ke3 Rg4 40.Kf3 Rh4 41.Kg3 Rh1 42.Kf4 Rd1 43.Ke5 Bd5 44.Kd6 b4 45.Kc5 b3 46.Kb4 Kf7 47.Ka3 Rf1 48.Kb2 Rf6 49.gf6 Kf6 0–1. riditko – halak, kurnik, 2012.

5.c4 e6 6.a4 d5 7.b5 cb5 8.ab5 dc4 9.Bc4 0-0 10.Nc3 a6 11.Qf3 ab5 12.Nb5 Ra1 13.Ba1 b6 14.Ne2 Bb7 15.Qf4 Bg2 16.Rg1 Bh3 17.Rg3 Bf5 18.d3 Nh5 19.Bg7 Nf4 20.Nf4 Kg7 0–1. riditko – remzibungu, kurnik, 2012.

4.h3 d6

5.a3 e5 6.Nf3 0-0 7.Ng5 Nc6 8.Nc3 a6 9.Be2 Re8 10.Bf3 d5 11.Be2 e4 0–1. nakpim – ricardo2005, kurnik, 2012.

5.b5 e5 6.c4 Be6 7.a4 Nbd7 8.Nc3 Nb6 9.Nf3 Nc4 10.Qc2 Nb2 11.Qb2 0-0 12.Ng5 Qd7 13.Ne6 Qe6 14.Be2 Nd5 15.Nd5 Qd5 16.Bf3 e4 17.Qa2 Qa2 18.Ra2 ef3 19.gf3 f5 20.d4 b6 21.Ke2 Rac8 22.Rc1 Rf7 23.Rc6 Kf8 24.a5 Ke8 25.ab6 ab6 26.f4 Kd8 27.Ra1 Rd7 28.Rg1 Bf8 29.h4 d5 30.h5 Rd6 31.Rd6 Bd6 32.hg6 hg6 33.Rg6 Kd7 34.Rf6 Rf8 35.Rg6 Kc8 36.Kf3 Bb4 37.Kg3 Be1 38.Kf3 Kb7 39.Re6 Rh8 40.Rf6 Rh2 41.Rf5 Rf2 42.Kg4 Rb2 43.Rd5 Bf2 44.Re5 Re2 45.Kf3 Be3 46.Re3 Rb2 47.Re5 c6 48.bc6 Kc6 49.f5 b5 50.f6 b4 51.f7 Rb1 52.Ke4 Rf1 53.Rf5 Re1 54.Kd3 Rd1 55.Kc2 Rd4 56.f8Q Rd5 57.Rd5 Kd5 58.Qc8 b3 59.Kb3 Ke4 60.Qd7 Ke5 61.Kc4 Ke4 62.Qd4 Kf3 63.Kd3 Kg3 64.Ke3 Kg2 65.Qf4 Kh3 66.Ke2 Kg2 67.Qf2 Kh3 68.Qf6 Kg4 69.Qf7 Kg5 70.Qg7 Kf5 71.Qe7 Kg4 72.Ke3 Kh3 73.Kf3 Kh2 ½–½. riditko – gogudinpiTESTI, kurnik, 2012.

5.c4 a6 6.Bf6 Bf6 7.Nc3 Nc6 8.b5 ab5 9.cb5 Nb8 10.d4 0-0 11.Nf3 c6 12.Be2 cb5 13.Nb5 Qa5 14.Nd2 Bd7 15.Qb3 Bb5 16.Qb5 Qb5 17.Bb5 Nc6 18.0-0 Nb4 19.a4 Nd5 20.Ne4 Bg7 21.Rfc1 Rfc8 22.Rc8 Rc8 23.Bd7 Rc7 24.Bb5 h6 25.g3 Nf6 26.Nd2 Nd5 27.Nc4 Nc3 28.Kg2 Nb5 29.ab5 Rc4 30.Ra8 Bf8 31.Rb8 Rb4 32.Rb7 f6 33.b6 Kf7 34.Rb8 Rb5 35.b7 Bg7 36.Kf3 d5 37.g4 g5 38.Ke2 Bf8 39.Kd3 e6 40.e4 de4 41.Ke4 Be7 42.f4 Bd6 43.Rh8 Kg7 44.b8Q Rb8 45.Rb8 Bb8 46.fg5 hg5 47.d5 Kf7 48.de6 Ke6 49.Kf3 Be5 50.Ke4 Bg3 51.Kd4 Bf2 52.Ke4 Bg1 53.Kf3 f5 54.gf5 Kf5 55.Kg2 Be3 56.Kg3 Bf4 57.Kf3 Be5 58.Kg2 Kf4 59.Kf2 Bd4 60.Kg2 Be3 61.Kh2 Bf2 62.Kg2 Bg3 63.Kf1 Kf3 64.Kg1 Bf4 65.Kh1 Kg3 66.Kg1 Kh3 67.Kh1 g4 68.Kg1 g3 69.Kh1 Be5 70.Kg1 g2 71.Kf2 Bd4 72.Kf3 g1Q 73.Ke4 Qe3 74.Kd5 Qe5 75.Kc4 Qc5 76.Kd3 Qc3 77.Ke4 Qe3 78.Kd5 Qe5 79.Kc4 Qc5 80.Kd3 Qc3 81.Ke4 ½–½. riditko – tourdesl, kurnik, 2012.

5.c4 c5 6.b5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Be6 10.Nf3 Nbd7 11.Ng5 0-0 12.Ne6 fe6 13.Be2 e5 14.Bf3 b6 15.0-0 h5 16.Nc3 h4 17.Nd5 Nh5 18.Bh5 gh5 19.Qh5 Nf6 20.Nf6 Rf6 21.Qh4 Qf8 22.f4 Rh6 23.Qg4 1–0. riditko – table9, kurnik, 2012.

5.c4 e5 6.a4 0-0 7.b5 Re8 8.Nc3 Be6 9.Be2 c6 10.Nf3 Qc7 11.0-0 Nbd7 12.bc6 bc6 13.Ba3 Bf8 14.d3 Nc5 15.Ng5 Bd7 16.Bc5 dc5 17.Bf3 h6 18.Nge4 Ne4 19.Ne4 f5 20.Nf6 Kg7 21.Ne8 Re8 22.Qb3 Be7 23.Rad1 Bf6 24.e4 f4 25.Rb1 Bc8 26.Bg4 Bg4 27.hg4 Re7 28.Qb8 Qd7 29.f3 h5 30.gh5 gh5 31.a5 Kh7 32.a6 Rg7 33.Rb7 Qe6 34.Rg7 Bg7 35.Qa7 Qg6 36.Qb7 h4 37.a7 h3 38.a8Q Qg2# 0–1. riditko – cheops2nd, kurnik, 2012.

5.c4 e5 6.a4 c6 7.Nf3 Nbd7 8.Be2 Qc7 9.0-0 0-0 10.Nc3 Re8 11.b5 b6 12.d4 ed4 13.Nd4 cb5 14.Ndb5 Qb8 15.Nd6 Re6 16.Nc8 Qc8 17.Bf3 Rb8 18.Nb5 a6 19.Nc3 Qc4 20.Qd7 Nd7 21.Bd5 Qb4 22.Be6 fe6 0–1. riditko – lab4o, kurnik, 2012.

5.Bd3 e5 6.c4 0-0 7.b5 Nbd7 8.e4 Nh5 9.Nf3 Nf4 10.Be2 Nc5 11.0-0 f5 12.ef5 Bf5 13.Nc3 e4 14.Nh2 Bh3 15.gh3 Nh3 16.Kh1 Rf2 17.Qe1 Qh4 18.Rf2 Nf2 19.Qf2 Qf2 20.Bg4 h5 21.Bh3 Be5 22.Bg2 Qh4 0–1. riditko – stanislawtym, kurnik, 2012.

5.Nf3 0-0 6.Bd3 a6 7.0-0 Nc6 8.b5 ab5 9.Bb5 Bd7 10.a4 Ne5 11.Ne5 Bb5 12.ab5 de5 13.Be5 Qd5 14.Ra8 Ra8 15.Bc7 Qb5 16.Nc3 Qc6 17.Bg3 Nh5 18.Kh2 Bc3 19.dc3 Qc3 20.Qd3 Rc8 21.Rc1 Qd3 22.cd3 Rc1 0–1. riditko – stop6, kurnik, 2012.

5.Nf3 Nc6 6.b5 Nb8 7.c4 a6 8.a4 0-0 9.Be2 c6 10.Nc3 cb5 11.ab5 a5 12.0-0 Nbd7 13.Na4 b6 14.Bd4 e5 15.Bc3 Ne4 16.Qc2 Nec5 17.Nh2 Nb8 18.Bf3 Ra7 19.d4 ed4 20.ed4 Na4 21.Ra4 Bf5 22.Qd2 Nd7 23.g4 Be6 24.d5 Bg4 25.Bg4 Nc5 26.Bg7 Kg7 27.Qd4 f6 28.Ra3 a4 29.Nf3 Nb3 30.Qc3 Kh6 31.Be6 Nc5 32.Qe3 Kg7 33.Nh4 f5 34.Qg3 Ne4 35.Qf4 Nf6 36.Nf3 Nh5 37.Qd4 Rf6 38.Ng5 f4 39.Kh2 Qe7 40.Rg1 f3 41.Ne4 Nf4 42.Nf6 Qf6 43.Kg3 Ne2 44.Kh2 Nd4 45.Rg3 Qe5 0–1. riditko – spijun, kurnik, 2012.

5.Nf3 e5 6.c4 Nbd7 7.Be2 b6 8.b5 Bb7 9.a4 a6 10.Nc3 Nc5 11.0-0 0-0 12.d4 ed4 13.ed4 Nce4 14.Ne4 Be4 15.d5 Bf3 16.Bf3 Qd7 17.Re1 Rae8 18.Qc2 Re1 19.Re1 Re8 20.Re8 Qe8 21.Bd4 Qe1 22.Kh2 Ng4 23.hg4 Bd4 24.Qe4 Qf2 25.ba6 Qg1 26.Kg3 Be5 27.Kh4 Qh2 28.Kg5 h6# 0–1. riditko – gasajole, kurnik, 2012.

4.h3 e6

5.c4 c5 6.b5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Nh5 10.Bg7 Ng7 11.Nc3 Nf5 12.Nf3 b6 13.e4 Nd6 14.d3 Bb7 15.Ne5 f6 16.Nf3 Qe7 17.Nh4 f5 18.ef5 Qh4 19.fe6 de6 20.Qe2 Qe7 21.Qe5 Rf8 22.f3 Nd7 23.Qe3 Qf6 24.Kd2 Nf5 25.Qf4 Nd4 26.Qc7 Qf4 27.Kd1 Qc7 0–1. riditko – jozef59, kurnik, 2012.

5.c4 Qe7 6.b5 b6 7.a4 Bb7 8.Nf3 d6 9.d4 Nbd7 10.Be2 0-0-0 11.0-0 e5 12.de5 de5 13.Nc3 Nc5 14.Qc2 Nfe4 15.Ne4 Be4 16.Qc3 Bb7 17.Ne5 Qe6 18.Rad1 Rd1 19.Rd1 Ne4 20.Qd4 Nd6 21.Qf4 Rd8 22.Nc6 Rd7 23.Bg7 f5 24.Na7 Kb8 25.Nc6 Bc6 26.bc6 Rg7 27.a5 b5 28.cb5 Ne4 29.Bf3 Qb3 30.b6 g5 31.bc7 1–0. riditko – express2011, kurnik, 2012.

5.Nf3 0-0 6.c4 d6 7.Be2 e5 8.0-0 Nbd7 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 13.Nc3 cb5 14.Nb5 Qb6 15.d4 d5 16.de5 Ne4 17.Qd5 Ndc5 18.Bd4 Be6 19.Qe4 Ne4 20.Bb6 Bc4 21.Bc4 Rc8 22.Bd5 Nc5 23.Nd6 1–0. riditko – vbulik, kurnik, 2012.

5.Nf3 d6 6.c4 Nh5 7.Be2 Bb2 8.Nc3 Ba1 9.Qa1 0-0 10.a4 e5 11.Nh2 Nf6 12.0-0 Nc6 13.b5 Ne7 14.a5 Be6 15.d3 Qd7 16.Nf3 b6 17.a6 h6 18.Nh4 Kg7 19.f4 Bh3 20.gh3 Qh3 21.Ng2 Ng4 22.Bg4 Qg4 23.fe5 Nf5 24.ed6 cd6 25.Nd5 f6 26.e4 Ng3 27.Rf4 Qe6 28.Kf2 Nh5 29.Rh4 Qe5 30.Qh1 Qg3 31.Kg1 Qd3 32.Rh5 Qd4 33.Nge3 gh5 34.Qh5 Qa1 35.Kg2 Qe5 36.Qg4 Qg5 37.Qg5 hg5 38.Nf5 Kg6 39.Nde7 Kf7 40.Kg3 Rfe8 41.Nc6 Re4 42.Nd6 Ke6 43.Ne4 Rc8 44.Nf2 Rc6 45.bc6 Kd6 46.Ne4 Kc6 47.Nf6 Kc5 48.Kg4 Kc4 49.Kg5 b5 50.Nd7 b4 51.Kf5 b3 52.Ne5 Kc3 53.Ke4 b2 54.Nd3 b1Q 0–1. riditko – gasajole, kurnik, 2012.

5.Nf3 Qe7 6.c4 Nc6 7.b5 Nb8 8.a4 d6 9.Nc3 b6 10.Be2 Bb7 11.0-0 Nbd7 12.d4 0-0-0 13.e4 e5 14.Nd5 Nd5 15.ed5 e4 16.Nd2 Nf6 17.Bg4 Ng4 18.Qg4 f5 19.Qf4 h5 20.Rfe1 Bh6 21.Qh6 Rh6 22.f3 g5 23.fe4 fe4 24.Re4 Qg7 25.Rae1 g4 26.Re7 Qg5 27.Nf1 gh3 28.g3 h4 29.Kh2 hg3 30.Ng3 Rg6 31.R7e3 Qf4 32.Kh3 Rh8 33.Kg2 Rhg8 34.Re8 Re8 35.Re8 Kd7 36.Rb8 Qg3 37.Kf1 Rf6 38.Ke2 Qg2 39.Kd3 Rf3 40.Ke4 Qg4# 0–1. riditko – nahuascat2011, kurnik, 2012.

4.h3 Rg8

5.c4 h5 6.b5 Nh7 7.Nf3 Bb2 8.Nc3 Ba1 9.Qa1 b6 10.a4 d6 11.a5 Bb7 12.Be2 Nd7 13.0-0 Nc5 14.d4 Bf3 15.Bf3 Ne6 16.Ba8 Qa8 17.d5 Nc5 18.ab6 cb6 19.Qa2 f6 20.Ra1 Kf7 21.Ne2 Ng5 22.Nf4 Nge4 23.f3 Ng5 24.Qb2 e5 25.Ne2 h4 26.Ra2 Rh8 27.Qa1 Rh5 28.Ra7 Qa7 29.Qa7 Kg8 30.Qb6 Nf7 31.Qb8 Kg7 32.b6 Rh8 33.Qc7 Nd3 34.b7 Nc5 35.b8Q Rb8 36.Qb8 g5 37.Qc7 Kg6 38.g3 hg3 39.Ng3 f5 40.e4 f4 41.Nf5 Kf6 42.Nd6 Nd6 43.Qd6 Kg7 44.Qc5 Kh6 45.Qd6 Kh5 46.c5 Kh4 47.Kg2 g4 48.hg4 1–0. riditko – marsyp, kurnik, 2012.

5.Nf3 Nh5 6.Bg7 Rg7 7.c4 c6 8.Nc3 d6 9.a4 Bf5 10.d3 Be6 11.Ra2 Nf6 12.Qa1 Nfd7 13.b5 f6 14.bc6 Nc6 15.Be2 Qa5 16.0-0 Nc5 17.Nb5 Nb4 18.Rb2 a6 19.Nbd4 Kf7 20.Ne6 Ke6 21.Nd4 Kf7 22.Bf3 e5 23.Nb3 Nb3 24.Rb3 Nc2 25.Qb2 Qd2 26.Rb7 Ke6 27.Bd5 Kf5 28.Rg7 Qd3 29.Rh7 Qe2 30.Ba8 Ne1 31.Qe2 1–0. riditko – marsyp, kurnik, 2012.

4.h3 Nh5

5.Nc3 0-0 6.Na4 Bb2 7.Nb2 d5 8.Be2 Ng7 9.Nd3 Qd6 10.Nf3 Bf5 11.a3 c6 12.g4 Bc8 13.0-0 Nd7 14.Nh2 e5 15.e4? de4–+ 16.Nb2 f5 17.gf5 gf5 18.Bc4 Kh8 19.d3 Qg6 20.Kh1 ed3 21.Bd3 e4 22.Be2 Ne5 23.c4 Be6 24.Rc1 Rad8 25.Qc2 Qg5 26.Rg1 Qf4 27.Rcd1 Qf2 28.Rd8 Rd8 29.Rg2 Qf4 30.Bd1 Nd3 31.Nd3 Rd3 32.a4 Kg8 0–1. cogit – spartanium, kurnik, 2012.

5.c4 Bb2 6.Nc3 Ba1 7.Qa1 0-0 8.Be2 Nf6 9.Nd5 c6 10.Nf6 ef6 11.Nf3 d5 12.cd5 Qd5 13.0-0 Nd7 14.a3 Ne5 15.Ne5 Qe5 16.d4 Qg5 17.Kh2 f5 18.Bf3 f4 19.ef4 Qf4 20.Kg1 Bh3 21.d5 cd5 22.Bd5 Be6 23.Bb7 Rab8 24.Bf3 Bc4 25.Re1 Rfe8 26.Re8 Re8 27.Qc3 Be2 28.Bd5 Qe5 29.Qe5 Re5 30.Bc6 Bb5 31.Bb7 Re1 32.Kh2 Ra1 33.Be4 Ra3 34.f3 Ra4 35.Bd5 Rb4 36.Kg3 a5 37.Ba2 Bc4 38.Bc4 Rc4 0–1. riditko – harnas57, kurnik, 2012.

5.Bg7 Ng7

6.c4 0-0 7.a4 b6 8.b5 Bb7 9.Nc3 d6 10.Nf3 Qd7 11.Be2 c6 12.0-0 a6 13.d4 cb5 14.ab5 ab5 15.Nb5 Ra1 16.Qa1 Nc6 17.d5 Na5 18.Qc3 Nf5 19.Nfd4 Nd4 20.Qd4 Nb3 21.Qb6 Nd2 22.Rd1 Ne4 23.Rd4 Nf6 24.g4 Kg7 25.g5 Ne8 26.Bg4 e6 27.de6 fe6 28.Be6 Qe6 29.Qb7 Rf7 30.Qd5 Qh3 31.Rf4 Rf4 32.ef4 Qg4 33.Kf1 Qf4 34.Qb7 Kf8 35.Qc8 Qg5 36.Nd6 Qe7 37.Ne8 Qe8 38.Qc5 Qe7 39.Qd5 Ke8 40.c5 Qd7 41.Qe5 Kd8 42.f4 Kc8 43.Kf2 Qc7 0–1. riditko – water123, kurnik, 2012.

6.c4 b6 7.Nf3 Bb7 8.Be2 d6 9.0-0 0-0 10.d4 Nd7 11.Nc3 c5 12.dc5 bc5 13.b5 e5 14.a4 e4 15.Nd2 Qf6 16.Nce4 Be4 17.Ne4 Qe5 18.Nd6 Nb6 19.Bf3 Rad8 20.Nf7 Kf7 21.Qc2 Ne6 22.Rfd1 Rd1 23.Rd1 Rd8 24.Rd8 Nd8 25.a5 Qa1 26.Kh2 Qa5 27.Qe4 Qc3 28.Qf4 Qf6 29.Qc7 Qe7 30.Qf4 Kg7 31.h4 Nf7 32.g4 Qe5 33.Qe5 Ne5 34.Bd5 Nec4 35.Bc4 Nc4 36.Kg3 Na3 37.e4 Nb5 38.e5 a5 39.Kf4 a4 40.Ke4 a3 41.Kd5 a2 42.e6 a1Q 43.e7 Qd4 44.Kc6 Qd6 45.Kb5 Qe7 46.Kc4 Qe2 47.Kc5 Qf2 48.Kd5 Qh4 0–1. riditko – yarri, kurnik, 2012.

6.c4 b6 7.Nf3 Bb7 8.Be2 e6 9.0-0 d6 10.d4 Qd7 11.Nc3 Nc6 12.b5 Na5 13.a4 a6 14.Ng5 h6 15.Bf3 hg5 16.Bb7 Nb7 17.Qf3 0-0 18.Qb7 ab5 19.ab5 Ra1 20.Ra1 Nf5 21.Ra7 Rc8 22.Qf3 Rd8 23.Ne4 Kg7 24.Qg4 d5 25.cd5 Qd5 26.Ng5 f6 27.Rc7 Kh6 28.Nf7 Kg7 29.Nd8 Kh6 30.Nf7 Kg7 31.Ne5 Kf8 32.Ng6 Ke8 33.Nh8 Ne7 34.Re7 Ke7 35.Qg7 Kd6 36.Nf7 Kc7 37.Qf6 Qb3 38.Qe7 Kb8 39.Nd6 Qd1 40.Kh2 1–0. riditko – slavisko (1610), kurnik, 2012.

6.Nf3 0-0 7.a4 e6 8.c4 d5 9.b5 dc4 10.Bc4 Nd7 11.0-0 Nb6 12.Be2 f5 13.Nc3 Nd5 14.Nd5 Qd5 15.d4 Bd7 16.Ne5 Nh5 17.Bc4 Qd6 18.Qb3 Kg7 19.Nd7 Qd7 20.Be6 Qd6 21.Bd5 f4 22.Bb7 Rae8 23.Bc6 Re7 24.ef4 Nf4 25.Rae1 Ne2 26.Kh1 Nd4 27.Re7 Qe7 28.Qc3 Qf6 29.Rd1 Qf2 30.Qd4 1–0. riditko – pzbramkarz, kurnik, 2012.

6.Nf3 0-0 7.c4 e6 8.Be2 Qf6 9.Nc3 a6 10.0-0 c6 11.d4 b5 12.Ne5 d6 13.Ng4 Qe7 14.cb5 ab5 15.Ne4 e5 16.Nef6 Kh8 17.de5 Bg4 18.Ng4 de5 19.a4 f5 20.Nh2 Nd7 21.ab5 cb5 22.Ra8 Ra8 23.Bb5 Rb8 24.Qd7 Qd7 25.Bd7 Rb4 26.Nf3 e4 27.Nd4 h6 28.Ne6 Ne6 29.Be6 Kg7 30.Rd1 Kf6 31.Bd5 h5 32.f3 ef3 33.Bf3 Rb3 34.e4 fe4 35.Be4 g5 36.Bf3 g4 37.hg4 hg4 38.Bg4 Kg5 39.Bf3 Kf4 40.Rf1 Kg3 41.Bd5 Rd3 42.Rf3 Rf3 43.Bf3 Kh4 44.Kh2 Kg5 45.Kh3 Kf4 46.Bg4 Kg5 47.g3 Kh6 48.Kh4 Kh7 49.Kh5 Kh8 50.Bf5 Kg7 51.g4 Kf6 52.Bg6 Kg7 53.g5 Kh8 54.Kh6 Kg8 55.Bh7 Kh8 56.Bf5 Kg8 57.g6 Kh8 58.g7 Kg8 59.Be6# 1–0. riditko – barcelona333, kurnik, 2012.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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