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TESTF480 Release 2024-04-01
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3

(...)

4…Ba5 5.c4 0-0 6.e3 Re8 7.Be2 Nc6 8.Bb2 d5 9.cd5 Nd5 10.a3 Bg4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

4…b6 5.e3 Bb7 6.Be2 0-0 7.0-0 d5 (7...Nc6 8.a3 Bc5 9.Bg3=) 8.d4 (8.a3 Ba5=) 8...Bd6 (8...Ne4 9.Bd3=+) 9.Nbd2 Ne4 10.c4 Be5 11.Ne5 f6 (11...Nc3 12.Qe1=) 12.Nef3 (12.Nd3 Nc3 13.Qe1 Ne2 14.Qe2+=) 12...c6 (better 12...Nc3!? 13.Qe1 Ne2 14.Qe2 Nc6=) 13.Rc1+/- Qe7 14.Qb3 Kh8 15.cd5 cd5 16.Rc2 (16.Rfe1+/-) 16...g5? (better 16...Nc6!?+=) 17.Rfc1+- Rd8?? (17...Nd2 18.Nd2 Qd6 19.Qa4+-) 18.Ne4 (better 18.Rc7 Rd7 19.Rb7 Rb7 20.Rc8 Kg7 21.Qd5+-) 18...de4 19.Nd2 Bd5 (19...Na6 20.a3 Rac8 21.Rc8 Rc8 22.Rc8 Bc8 23.Qa4+-) 20.Bc4 Bc4 (20...Bb7 21.Qb5 Na6 22.Be2+/-) 21.Rc4 Nd7 (21...Qe8 22.R4c2+-) 22.Rc7 Qe8 (22...f5 23.f3+-) 23.Qb5 Nf8 (23...Qe6 24.R7c6 Qa2 25.Ne4+-) 24.Qe8 (better 24.Qf5!? Qg6 25.Qg6 hg6 26.Ne4 Nh7+-) 24...Re8 25.Rb7 (25.Rf7 Kg8 26.Rcc7 Rac8 27.Ra7 Rc1 28.Nf1 g4+-) 25...Rad8 (25...f5 26.Rf7+-) 26.Rcc7 (26.g4 Rd7 27.Rd7 Nd7+-) 26...a5 (26...Rc8 27.g4 Rc7 28.Rc7+-) 27.Rb6 Re6 (27...Rc8 28.Rc8 Rc8 29.g4+-) 28.Rbb7 f5 (28...h5 29.h3+-) 29.g3 (29.Rc5 Rd7 30.Rd7 Nd7 31.Rf5 a4+-) 29...Rd5 (29...f4 30.Rb5+-) 30.Nc4 f4 (30...Rf6 31.Ne5+-) 31.gf4 (31.Rc8!? Rf6+-) 31...gf4 32.Ne5 f3 (32...Rf6 33.h4+-) 33.h4 (better 33.Rc8 Rf6 34.Nd7 Rg6 35.Kh1 Rdg5+-) 33...Rdd6 (33...Rf6 34.Kh2+-) 34.Kh2 (34.Rb8 Rg6 35.Ng6 Rg6 36.Kh2 Rg2 37.Kh3 Kg8+-) 34...Rf6 (34...Rb6 35.Rb6 Rb6 36.Rc8+-) 35.Kh3 (35.Nf7 Kg8 36.Nd6 Rd6 37.Rg7 Kh8+-) 35...Kg8 (35...Rde6 36.Nd7 Nd7 37.Rd7+-) 36.Kg4 (better 36.Rg7 Kh8 37.Rg1 h5+-) 36...Rh6 (36...Rb6 37.Rg7 Kh8 38.Rgf7 Rb7 39.Rb7+- (worse 39.Rf6 Kg7 40.Kf5 Rb2+-)) 37.Kg5 (better 37.Rg7 Kh8 38.Rg5+-) 37...Ne6 38.Kh6 Nc7 39.Kg5 Ne6 (39...Nd5 40.Ng4 Rg6 41.Kf5+-) 40.Kf5 Nf8 (40...Nd8 41.Rb8+-) 41.Ke4 (better 41.Ng4!? Kh8 42.Nf6 Rd8+-) 41...Rh6 42.Nf3 1-0. Bendega (2030) - NDHLFLS (2040), lichess.org, 2021.

4…Nd5 5.Bg7 Rg8 6.Bb2 Nc6 7.e4 (7.a3 Ba5+/–) 7...Nf4 (7...Qe7 8.e5+=) 8.c3 (8.g3 Ne6+/–) 8...Ba5 (better is 8...Qe7 9.d3 Bc5+/–) 9.d4 (9.g3 Ne6+/–) 9...b6 (9...d5!? 10.Ne5 Ng2 11.Bg2 Ne5=+) 10.Qc1 (better is 10.d5 Ne7 11.g3+-) 10...Qe7?? (better is 10...Ng2 11.Bg2 Rg2+=) 11.Qf4+- d5 12.Nbd2 de4 13.Qe4 Qe4 14.Ne4 Bf5 15.Nf6 Ke7 16.Ng8 Kf8 17.Nh6 Bd7 18.Bc4 Re8 19.Kd2 f6 20.Rae1 Rd8 21.Nh4 Ne7 22.h3 Kg7 23.Ng4 Re8 24.Nf3 f5 25.Nge5 Ba4 26.Bb3 Bb3 27.ab3 Nd5 28.g3 a6 29.Nc6 Re1 30.Re1 Bc3 31.Bc3 Nc3 32.Kc3 b5 33.Re7 Kg8 34.Rc7 h5 35.Ne7 Kf7 36.Nf5 Kf6 37.Nd6 Ke6 38.Ne4 a5 39.Rc5 b4 40.Kc4 Ke7 41.Ra5 Ke6 42.Nh4 Kd7+- 43.Ra6 Kc7 44.Kc5 Kb7 45.Rh6 Kc7 46.Rh7 Kd8 47.Kc6 Ke8 48.Kd6 Kf8 49.Ke6 Kg8 50.Nf6 Kf8 51.Ng6 1–0. losertoo (1860) – ajeffries (1645), net–chess.com, 2006.

4...Ng4 5.Bg7 Rg8 (5...Bc5 6.e3 Rg8 7.Bb2 d5 8.c4 Be6 9.cd5 Qd5 10.Nc3+/– 1.28/9) 6.Bc3 Nc6 (6...Bc3 7.Nc3 d6 8.e3 Nf6 9.Rb1 c6 10.g3+/– 1.00; 6...Be7 7.e3 Nf6 8.Bb2 d5 9.Nc3 a6 10.Rb1+/– 0.88; 6...a5 7.a3 Bc3 8.Nc3 Nc6 9.d4 d5 10.e3+/– 1.25; 6...Qe7 7.Bb4 Qb4 8.Nc3 Nf6 9.e3 Qe7 10.d4+/– 1.09) 7.Bb4 (7.e3 Nf6 8.Bb4 Nb4 9.c3 Nc6 10.d4+/– 1.06) 7...Nb4 8.e3 (8.Nc3 d5 9.Rb1 Qe7 10.a3+/– 0.97/9) 8...b6 (8...Nf6 9.a3 Nbd5 10.c4+/– 1.03) 9.a3 Nd5 (9...Nc6 10.d4+/– 1.16) 10.c4 Ndf6 11.Nc3 Bb7 12.h3 Nf2? (better is 12...Nh6+/–) 13.Kf2+- Qe7 14.d4 Ne4 15.Ne4 Be4 16.Bd3 f5 17.Rg1 0-0-0 18.a4 Qd6 19.g3 Qh6 20.a5 Rdf8 21.ab6 ab6 22.c5 Kd8 23.cb6 Qb6 24.Qc2 Qb7 25.Ne5 Rf6 26.Rgb1 Rb6 27.Rb6 cb6 28.Qb3 Rg7 29.Qb4 Ke8 30.Nc4 Rg6 31.Be4 Qe4 32.Nd6 Rd6 33.Qd6 Qc2 34.Kg1 Qe4 35.Qe5 (35.Qe5 Qe5 36.de5+-; 35.Qb6?! Qe3 36.Kf1 Qf3 37.Ke1 Qe3 38.Kd1 Qg1 39.Ke2 Qa1+=) 1–0. AGove – bicycle, ChessWorld.net, 2007.

4...Bc5

5.c3 Nc6 6.Bf6 Qf6 7.d4 =.

5.c3 Ng4 6.d4= 0-0?? (6...Ne5 7.Ne5 Be7 8.e3=) 7.e3?? (7.dc5 Ne5 8.Ne5 Qg5+-) 7...Bd4?? (better is 7...Ne5 8.Ne5 Be7=) 8.cd4 d6 9.Bf4 Re8 10.Qc2 Qf6 11.Bg5 Qg5 12.Ng5 Re3 13.fe3 Ne3 14.Qh7 Kf8 15.Qh8 Ke7 16.Qg7 Nc2 17.Kd2 Kd7 18.Bb5 c6 19.Qf7 Kd8 20.Bd3 Na1 21.Re1 Bd7+- 22.Ne6 Be6 23.Re6 Nd7 24.Re8 Kc7+- 25.Ra8 Kb6 26.Nc3 Ka5 27.Ra7 Kb4 28.Rb7 Ka3 29.Ra7 Kb2 30.Na4 Ka3 31.Nc5 Kb4 32.Nd7 c5 33.Qc4 (33.a3) 1–0. guest1444 – dspurr, ICC, 1999.

5.d4 Bb4 6.c3 Ba5 (6...Be7 7.e3=) 7.e3 (7.Qd2 d5=) 7...a6 (7...0-0 8.Bd3+=) 8.Bc4 (8.Bd3 d5+=) 8...d5 (8...b5!? 9.Bb3 c6=) 9.Bf6+/– Qf6 (9...gf6 10.Bd3+/–) 10.Bd5 0-0 11.0-0 (better is 11.Qa4 Bb6 12.Be4+/–) 11...Bg4? (better is 11...c6!? 12.Be4 Be6+/–) 12.Bb7+- Ra7 13.Be4 c6 14.Qd3 Bf3 15.Bf3 Bc7 16.Nd2 Bh2? 17.Kh2 Qh4 18.Kg1 1–0. Wall,Bill – AntiHippy, chess.com, 2008.

5.d4 Bb6 6.e3 =.

5.e3 Nc6 6.Bb2 d6 7.Be2 0-0 8.0-0 Bg4 9.c4 d5 (9...h6 10.d4 Bb6 11.Nc3=) 10.cd5+= Nd5 11.Nc3 Nc3 12.Bc3 Bd6 (12...Qe7 13.Rb1+=) 13.Qa4 (better 13.Rb1 Rb8 14.Rb5+/-) 13...Ne7?? (better 13...Bf5+=) 14.Qg4+- Ng6 15.h4 f6 (15...Qe7 16.Rab1 b6 17.h5+-) 16.Rab1 b6 17.Rb5 (better 17.h5 Ne5 18.Be5 Be5 19.Nh4+-) 17...a6 (17...c5+-) 18.Bc4 Kh8 (18...Rf7 19.Rf5 c5+-) 19.Rh5 Qe8 20.Rh7! Kh7 (20...Kh7 21.Qh5 Mate attack) 21.Qh5 1-0. Lance5500 (2395) - Peter_carroll (1875), lichess.org, 2017.

4...c6

5.a3 d6 =.

5.e3 0-0 6.Be2 d6 7.Bb2 Re8 8.0-0 Nbd7 9.d3 d5 10.d4 Nf8 11.a3 Bd6 12.c4 dc4 13.Bc4 Ng6 14.Nbd2 Qc7 15.Re1 Ng4 16.h3 Nf6 17.Qb3 Be6 18.Be6 Re6 19.Nc4 Bf8 20.Rac1 Qd8? 21.Na5?? Qa5-+ 22.Rc4? Qc7 23.Rec1 Ree8 24.Ng5 h6 25.Nf7 Qf7 26.Qd3 Ne4 27.f3 Nd6 28.R4c3 Re6 29.e4 Rae8 30.d5 cd5 31.Qd5 Nf4 32.Qd2 Rg6 33.Rc7 Qe6 34.Qf4 Qh3 35.R1c2 Be7 36.Qh2?? Qh2 37.Kh2 Bf6 38.Bf6 Rf6 39.R2c5 Rff8 40.e5 Nf7 41.f4 Nd8 42.g4 Rf4 43.g5 hg5 44.Rd5 Rf7 45.Rcd7 Rd7 46.Rd7 Kf8 47.Kg3 a6 48.Kg4 Nc6 49.Rb7 Re5 50.Rb6 Ne7 51.Ra6 Nd5 52.a4 Nf6 53.Kg3 Nd7 54.Ra8 Kf7 55.Ra7 Ke6 56.a5 Rb5 57.a6 Kf6 58.Rd7+= Rb8 59.a7 Ra8 60.Kg4 g6 ½–½. retiponziani – ashleysworld, ChessWorld.net, 2009.

5.e3 d5 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e5 5.Be5 Bb4).

5.e3 d6 6.Bb2 0-0 7.Be2 Nbd7 8.0-0 Re8 9.Nc3 Nf8 10.Rb1 Ba5 11.Nd4 d5 12.Bf3 Ne6=+ 13.Nce2 Ng5 14.Ng3 Bc7 15.Be2 a6 16.Nf3 Ne6 17.c4 b5 18.cd5 Nd5 19.d3 Nb6 20.Qc2= c5 21.Rfd1 Bb7 22.Nf5 g6 23.Nh6+= Kf8 24.Ng4 h5 25.Nf6+/– Re7 26.Ne5 Nd5+= 27.Nd5 Qd5?? 28.Bf3+- Qa2? 29.Bb7 Be5 30.Ba8 Nc7 31.Bf3 Qe6 32.Qc5 Bd6 33.Qg5 Ke8 34.Bc6 Kd8 35.Rbc1 Bb4 36.Bf6 1–0. elcid10 – ashleysworld, ChessWorld.net, 2009.

5.g3 d5 6.Bg2 Nbd7 7.Bb2 0-0 8.0-0 Re8 9.e3 (9.Nc3 Bd6+=) 9...Bd6 (9...Nb6 10.d3+=) 10.d3 Qc7 11.Nbd2 Ne5 12.c4 dc4 (12...Nd3 13.Bf6 gf6 14.cd5 cd5 15.Qb3=) 13.dc4 (13.Be5 Be5 (13...Re5? 14.Ne5 Be5 15.d4+-) 14.d4 Bd6 15.Nc4 Be7+=) 13...Bf5 14.Qb3 (14.c5 Bc5 15.Ne5 Re5 16.Be5 Qe5=) 14...Nfd7 (14...Rad8 15.Ne5 Be5 16.Be5 Qe5 17.Nf3+=) 15.Ne5= Be5 (worse is 15...Re5 16.Be5 Be5 17.Rad1+/–) 16.Rac1 (16.Nf3 Bb2 17.Qb2 Bd3=) 16...Nc5 (16...Bb2 17.Qb2 Ne5 18.Rc3+=) 17.Be5= Re5 (worse is 17...Nb3 18.Bc7 Nd2 19.Rfd1+=; worse is 17...Qe5 18.Qa3=) 18.Qc3 Rae8 19.Nb3 Ne4 20.Qb2 White prepares the advance c5 20...R5e7 21.Rfd1 b6 22.c5 b5 23.Nd4 Bg6 24.a4 a6 25.ab5 ab5 26.Ra1 Nc5 (26...Qe5!?+=) 27.Nc6+/– Nd3?? (better is 27...Rd7+/–) 28.Ne7+- Qe7 29.Qb5 Nf2 (29...Qe5 30.Qe5 Ne5 31.Ra8 Ra8 32.Ba8+-) 30.Kf2 Qf6 (30...Qe3 31.Kf1+-) 31.Kg1 Qe7 (31...Rf8 32.Ra7 h6 33.Bd5+-) 32.e4! f5 (32...Be4 33.Re1 Decoy) 33.ef5 Qe3 (33...Bh5 34.Rd7 Qf6 35.Ra8+-) 34.Kh1 (34.Kf1 Bf5 35.Qf5 Qe2 36.Kg1 Qe7+-) 34...Bh5 35.Rdc1 (35.Ra8 Ra8 36.Qd5 Kf8 37.Qa8 Be8+-) 35...Bf3 36.Qc4 Kh8 37.Qf1 Be4 (37...Bg2 38.Kg2 Rf8 39.Re1+-) 38.Re1 Bg2 39.Kg2 Qd2 40.Qf2 Re1 (40...Qf2 41.Kf2 Rf8+-) 41.Qd2 1–0. wwgia (1640) – jeich (1750), gameknot.com, 2013.

4...Ne4

5.Bg7+/– Rg8 6.Bb2 d5 7.e3 Bg4 8.Be2 Bf3 9.Bf3 c6 10.a3 Be7 11.c4 Bf6 12.Bf6 Qf6 13.Ra2 Nd7 14.cd5+- cd5 15.d3 Nc3 16.Nc3 Qc3 17.Qd2 Qd2 18.Kd2 Nf6 19.Rc1 Rd8 20.Rb2 b6 21.Rc7 Ra8 22.Rbc2 Rd8 23.Ra7 d4 24.Rcc7 de3 25.fe3 Rd7 26.Bc6 Kd8 27.Bd7 Rg2 28.Kc1 Rg1 29.Kb2 Rg2 30.Kb3 Rd2 31.Bf5 Nd5 32.Rc8# 1–0. Morphystyle – CSLewis, ChessWorld.net, 2005.

5.Bg7+= Rg8 6.Bb2 Qf6?? 7.Bf6+- Bd2 8.Nfd2 Nf6 9.g3 Ng4 10.Bh3 Nf6 11.0-0 c5 12.Nc4 Rg5 13.Qd2 Ne4 14.Qe3 Rg8 15.Qe4 Kd8 16.Qh7 Rf8 17.Nd6 Kc7 18.Nc8 Kc8 19.Nc3 f6 20.Rfd1 f5 21.Bf5 Kc7 22.Bd7 (22.Bd7 Re8 23.Be8 Kc8 24.Bd7 Kc7 25.Nd5 Kd8 26.Qe7#; 22.Rd7 Kb6 23.Rb7 Ka6 24.Bd3 c4 25.Bc4 Ka5 26.Qc7#) 1–0. coolerdude – crome, ChessWorld.net, 2005.

4...Qe7

5.Bb2 d5 6.Bc3=+.

5.Bb2 d6 6.e3 Bg4 (6...0-0 7.a3 Ba5 8.Be2=) 7.Be2 (7.a3 Bc5=) 7...Nbd7 (7...0-0 8.a3 Ba5 9.0-0=) 8.0-0 0-0 9.c3 Bc5 10.d4 Bb6 11.a4 a6 12.c4 d5 (12...Ba5 13.Bc3 Bc3 14.Nc3=) 13.c5 (13.a5!? Bf3 A) 14.gf3?! Ba7+=; B) 14.ab6?! Be2 15.Qe2 Rfc8= (< 15...cb6 16.Ba3 Nc5 17.Nc3+/–); C) 14.Bf3+/–) 13...Ba7 14.a5 b6?? (better is 14...Rfe8=) 15.ab6 cb6 16.c6 Nb8 17.Ba6?? Nc6?? 18.Bb5?? Na5? 19.Qa4?? Rfc8= 20.Ne5 Ne4?? 21.f3 f6?! 22.Nd3 Bf5 23.fe4 Be4 24.Nf4 Qf7 25.Nd2 g5 26.Ne4 gf4 27.Nd6 (27...Qe6 28.Nc8 Qe3 29.Kh1 Rc8 30.Qd1+-) 1–0. var – Pulsar, Live Game Caissa's Web, 2004.

5.c4 Nc6 6.Bb2 d6 7.e3 Bg4 8.Be2 0-0-0 9.0-0 Bc5 10.a3 Bb6 11.d4 a5 12.Nc3 h5 13.Na4 Ba7 14.Rb1 Bb8 15.Bc3 b6 16.Qb3 Qd7 17.c5 dc5 18.Ba6 Normal 1-0. ZibbitVideos (2355) - texttire (1995), Rated Bullet game, lichess.org, 2015.

5.Bc7!? d5 6.Bf4+=.

4...0-0

5.a3 d6 6.Bb2 Ba5 7.e3 Be6 8.Be2 Nbd7 9.0-0 Nb6 10.Nc3 Nc4 11.Bc4 Bc4 12.d3 =.

5.Bb2 c6 6.e3 d5 7.Be2 Re8 8.0-0 Bd6 9.d4 Bg4 10.Ba3 Ba3 11.Na3 Ne4 12.Qd3 =.

5.Bb2 Nc6 6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3).

5.c3 d6 6.Bg3 Bc5 7.d4 Bb6 8.Nbd2 Bf5 (8...Nc6 9.e3+=) 9.e3= Nc6 10.Bb5 a6 11.Ba4 (11.Be2 Re8+=) 11...Ne7 12.0-0 Ned5 13.Rc1 (13.Qb3!? Ba5 14.e4+=) 13...Ba5-/+ 14.c4 (14.Bc2 Nc3 15.Qe1 Bc2 16.Rc2 Ncd5-/+) 14...Nc3 15.Qe1?? (better is 15.Rc3 Bc3 16.h3-+) 15...Na4-+ 0–1. towa (1900) – drengur1 (2040), gameknot.com, 2014.

5.c3 Re8 6.d4 Bd6 7.Bd6 Re4 8.Be2 cd6 =+.

5.Nc3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nc3 0-0 5.Nf3).

5.e4 Nc6 6.c3 Ba5 7.Bd3 d6 8.Bg3 Bg4 9.0-0 Ne5 10.Be2= Bf3 11.Bf3 Qe7 12.Re1 Rae8 13.Be5 Qe5 14.d4= Qg5 15.Qd3 c6 16.Nd2+= Nh5 17.Bh5 Qh5 18.Rab1 b5 19.Nf3 Re6 20.d5+/– cd5 21.ed5 Rg6? 22.Re3 Bb6 23.Nd4 Qd5=+ 24.h3?? (better is 24.g3=+) 0–1. Elmano – Bondick,Karl Heinz, Canarias en Red prel 2nd blitz, 2004.

5.e4 d5 6.c4? c5?? 7.Nc3? Nbd7 8.Bd6? Re8 9.Nb5? Ne4-+ 10.Bg3?? Ndf6 11.Qa4 Bd7 (11...Bd7 12.Be2 a6-+; better is 11...Nc3! 12.Be2 Na4-+). Adam,S – Kyritz, corr, 1990.

5.e4 Ne4 6.c3 Be7 -/+.

5.g4 d6 6.Bb2-/+.

5.h3 d5 6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.h3).

5.h3 Re8 6.Bh2 d5 7.c3 Ba5 (7...Bd6!? 8.Bd6 Qd6 9.e3-/+) 8.e3-/+ c5 9.Qc2 Nc6 10.Bb5 d4 (10...g6 11.0-0-/+) 11.cd4 (11.0-0 de3 12.fe3 Bc7=+) 11...cd4 (11...Bd7 12.Bc6 (12.dc5 Nb4 13.Qc4 Re4-+) 12...Bc6 13.dc5=+ (13.Qc5? Rc8 14.Qa3 Bf3 15.gf3 Qd4-+)) 12.Bc6 (12.0-0 Bd7 13.Bc6 Bc6 14.Nd4 Be4=) 12...bc6=+ 13.0-0 Ba6 14.Rd1 (14.Rc1 de3 15.de3=+) 14...d3 (better 14...Be2!? 15.Nd4 Bd1 16.Qd1 Ne4-/+) 15.Qc6= Re6 16.Qc1 (better 16.Qa4!? Bb7 17.Nd4+=) 16...Rc8 17.Nc3 (17.Qb2 Ne4-/+) 17...Ne4 18.Nd4 (18.Be5 Bb7 19.Rb1 Nc3 20.Bc3 Bf3 21.Ba5 A) 21...Rc1?! A1) 22.Bd8?? Rd1 (worse 22...Bd1 23.Rc1 Bc2 24.a3+=) 23.Rd1 Bd1-+; A2) 22.Rdc1 Qa8 23.gf3-/+; B) 21...Qd7 22.gf3 Rc1 23.Rdc1 h5-+) 18...Rg6 (better 18...Nc3 19.dc3 Rg6-+) 19.Qa3? (19.Ne4 Rc1 20.Rac1-/+ (20.Rdc1? Bb7 21.Ng3 Bd2-+)) 19...Qg5 (better 19...Bc3 20.dc3 Qh4-+) 20.g3?? (20.g4 Nd2 21.Ncb5-+) 20...Bc3 (20...Nc3?! 21.dc3 Rc3 22.Qa4-+) 21.dc3 Rc3 (better 21...Nf2 22.Qb2 Nh3 23.Kg2 Rb6-+) 22.Rab1 h5?? (22...Qd8 23.Rb3 Rb3 24.Qb3-+) 23.Qb4?? (better 23.Rb8 Rc8 24.Rc8 Bc8 25.Qd3=) 23...Rb6-+ 24.Nb5?? (24.Qa4 Rb1 25.Rb1-+) 24...Nf2 (24...Bb5 25.Qe4 Bc6 26.Qd4-+) 25.Qc3 (25.Nc3 Qe3 26.Qb6 ab6 27.Kg2 Nd1 28.Rd1 d2 29.Rd2 Qd2 30.Kf3 Qc3 31.Kf4 Bb7 32.Kg5 Qf6 33.Kh5 Bf3 34.g4 Qh6) 25...Nd1 (25...Nh3 26.Kg2 Bb7 27.Qc6 Bc6 28.e4 Be4 29.Kf1 Rf6 30.Ke1 Qe3) 26.Rd1 (26.Qd4 Qe3 27.Qe3 Ne3 28.Nc3-+) 26…Qe3 (26...Qe3 27.Kf1 Qe2 28.Kg1 Qd1 29.Kf2 d2 30.Qg7 Kg7 31.g4 Qe1 32.Kf3 Rf6 33.Bf4 Bb7; 26...Rb5?! 27.Qd3 Rb8 28.Qd4-/+ (28.Qa6?? Qe3 29.Kf1 Qf3 30.Kg1 Qd1 31.Qf1 Qd4 32.Kh1 Rb2-+)) 0-1. hancco (1845) - Lance5500 (2635), lichess.org, 2020.

5.h4 d6 6.Bb2 a5 7.g3 a4 8.a3 Ba5 9.Bc3 Bc3 10.Nc3 c6 11.h5 d5 12.Rh4 Bg4 13.h6 Bf3 14.ef3 g6 15.Ra4 Ra4 16.Na4 Re8 17.Be2 Qe7 (17...Qa5 18.Nb2=+) 18.Kf1 Qf8 19.Rb1 b5 20.Nb2 Qh6 21.Kg2 Qg5 22.Nd3 (22.a4 ba4 23.Na4 Nbd7=+) 22...Nbd7 23.c3 Nh5 24.f4 Qf5 25.Bh5 (25.Rb4 Nhf6 26.Kg1 Qe6-/+) 25...Qd3 (25...gh5?! 26.Nb4 Qe4 27.Kg1=; worse 25...Qh5 26.Qh5 gh5 27.Nb4+=) 26.Bg4 Nf6 27.Bf3 Ne4 28.Rb2 Ra8?? (28...Nc5 29.Rb4 Na4 30.g4-/+) 29.Be4?? (better 29.Be2 Nc3 30.dc3 (worse 30.Bd3 Nd1 31.Rb3 b4 32.Rb4 Ra3=) 30...Qd1 31.Bd1 Ra3 32.Rb3+=) 29...Qe4 30.f3 Qd3 31.Rb3 (31.Qe1 Kf8 32.Kf2 h5-/+ (32...Ra3?! 33.Qe5 Ra6 34.Qb8 Kg7 35.Qe5 Kg8 36.Qe8 Kg7 37.Qe5 Kg8 38.Qe8 Kg7 39.Qe5=)) 31...Re8 32.Kf2 c5 (better 32...h6-/+) 33.c4?? (better 33.Rb2=) 33...Qc4 (33...Qd4 34.Kg2 bc4 35.Rc3-+) 34.Rc3 (34.d4-+) 34...Qd4 35.Kg2 b4 (35...c4!? 36.Kf1-+) 36.ab4 Qb4 37.Re3 Re3 38.de3 Qc4 39.Qa1? (better 39.Kf2-+) 39...Qe2 40.Kh3 Qf3 41.Qe5 (41.Qe1-+) 41…Qh5 (41...Qh5 42.Qh5 gh5-+) 0-1. beatmeeasy (2015) - pekasp (2050), lichess.org, 2020.

5.a3 Ba5

6.Bb2 c5 7.e3 d5 8.c4 Be6 9.Qc2 Ne4 10.cd5 Qd5 11.Nc3 Nc3 12.Bc3 =.

6.Bb2 d5 7.g3 c5 8.Bg2 Nc6 9.0-0 Re8 10.d4 Qb6 (10...c4 11.Bc3-/+) 11.Bc3 (11.Ra2 c4=+) 11...Bc3 (11...cd4 12.Bd4 Nd4 13.Nd4-/+) 12.Nc3 cd4 13.Rb1 Qa5 14.Na2? (better is 14.Nb5-/+) 14...Qa3-+ 15.Nc1 Ne4 16.Rb3 Qa4 17.Qd3 (17.Re1 a6-+) 17...Bf5 18.Qb5 Qb5 19.Rb5 Nc3 20.Rb7 Ne2 21.Ne2 Re2 22.Ra1 Rc2 23.Rc7 d3 24.Rd1 h6 25.Ne1 Nb4 26.Nc2 dc2 27.Rd4 Re8 28.Rb4 Re1 29.Bf1 Bh3 30.Rc8 Kh7 (30...Kh7 31.Rh8 Kh8 32.Rb8 Kh7 33.Rh8 Kh8 34.f4 Rf1) 0–1. mic (2100) – peb (2365), net–chess.com, 2008.

6.c3 Nc6 7.Bf4 d5 (7...Re8 8.e3=+) 8.d4 (8.e3 Nh5 9.Bg5 f6=) 8...Bf5 (better is 8...Ne4 9.Qb3 Ne7=+) 9.Nh4?? (better is 9.Qb3=+) 9...Bb1-+ 10.Rb1 Bc3 11.Bd2 Bd4 12.Rb7?? Bb6 13.e3 Nd7 14.Qg4 Nc5 15.Nf5? Qf6 16.Rb6 ab6 17.Bb5 Ra3 18.0-0 Ne5 19.Qh3 c6 20.Be2 Ra2 21.Rd1 Ne4 22.f4 Rd2 23.fe5 Rd1 24.Bd1 Qe5 25.Qg4 g6 26.Nh6 Kg7 27.Qh3 d4 28.Ng4 Qf5 29.Bf3 Nd2 30.Qh6 Kg8 0–1. dennism (2100) – inspector (2330), net–chess.com, 2008.

6.c3 Re8 7.e3 d5 8.d4 Nbd7 9.Bg3 c5 10.Be2 cd4 11.Nd4 Ne4 12.Qc2 Ndf6 13.0-0 Be6 (13...Ng3 14.hg3 Be6 15.Ne6 fe6 16.Qb2=+) 14.Bd3 (14.Be5 Bd7 15.Nf3 Rc8=+) 14...Rc8 The pressure on the isolated pawn grows 15.Ne2 (15.Be5 Bd7 16.Nf3 Bg4=+) 15...Qb6 (15...Bg4 16.Bf4=+) 16.Be5=+ Qc6 (16...Ng4 17.Bd4 Qc7 18.g3=+) 17.f3 Nc5 (17...Bd7 18.Bd4=+) 18.Bf6 Nd3 19.Qd3 (19.Bg7 Kg7 20.Qd3 Qc4+=) 19...gf6= 20.Rc1 f5 21.Nd4 Qd7 (21...Qc4 22.Rd1=) 22.f4 Kh8 23.Ra2 (worse 23.Ne6 Qe6 24.Re1 Qe4-/+) 23...Rg8 24.Rac2 Rg6 25.g3 (25.Rd1 Bb6+=) 25...h5 (25...Qe7 26.Rd1=) 26.Qe2 (26.Nf3 Rg7+=) 26...Rh6 (26...h4 A) worse 27.Ne6 A1) 27...Re6?! 28.Qh5 Kg7 29.Qf5= (29.Qh4?? Rh8-+); A2) 27...fe6 28.Kf2 hg3 29.hg3 Qh7-/+; B) 27.Qh5 Kg7 B1) 28.Qh4 Rh8 29.Qh8 Kh8-+; B2) worse 28.Ne6 B21) 28...Re6?! 29.Qf5 (29.Qh4 Rh8 30.Qh8 Kh8-+) 29...Bb6 30.Re1=+; B22) worse 28...Qe6 29.Qf3-/+ (29.Qh4 Qe3 30.Kh1 Rh8 31.Qh8 Kh8-+); B23) 28...fe6 29.Qf3 hg3-/+; B3) 28.Rg2=+) 27.Kh1 Rg8 28.Nd2 (28.Rg1 h4=) 28...h4 29.Kg2 (29.gh4 Qe7=) 29...hg3=+ 30.hg3 Rhg6 (30...Qe7!?=+) 31.Rh1= Kg7 32.N2f3 Qe7 (32...Kf8 33.Rh3 Qd6 34.Qb5=) 33.Ne5+= Rh6 34.Rh6 Kh6 35.Rc1 Kg7 36.Qh5 Kf8 (36...Qf6 37.Rh1 Kf8 38.Qh7+=) 37.Nf5 (better 37.c4 dc4 38.Nc4+/-) 37...Bf5 (better 37...Qa3 38.Nd4 Qe7=) 38.Qf5+/- Rg7?? (38...Qe6 39.Qe6 fe6 40.c4+-) 39.Rh1 (39.Nd7 Kg8 40.Nf6 Kf8+-) 39...Kg8? (39...Qe6 40.Rh8 Ke7 41.Qd3+-) 40.Qh5 (better 40.Qh3 Kf8 41.Qc8 Bd8 42.Rh8 Rg8 43.Qh3+-) 40...Kf8+/- 41.Qh8 (41.c4 Bc3 42.cd5 Qa3+/-) 41...Rg8 42.Qh6 Ke8 43.Qh4 (better 43.Qh7 Kf8 44.Rd1+-) 43…Qa3 (43...Qa3 44.Qh7 Rf8+/-). bvamrx (2015) - MCN1000 (2025), lichess.org, 2021.

6.c4 c5 7.e3 Nc6 8.Bg3 d5 9.cd5 Qd5 (9...Nd5 10.Qb3=+) 10.Be2 (10.Nc3 Qf5=) 10...Ne4=+ 11.0-0 Be6 12.d3 Ng3 13.hg3 Rad8 14.Nbd2 Bc7 (14...b6 15.Rc1-/+) 15.Ne4 (15.Rc1 b6=+) 15...b6-/+ 16.Qa4 h6 (16...Rfe8 17.Nc3 Qd6 18.Rfd1=+) 17.Ne1 (17.Rfd1 Na5=+) 17...f5 (17...Be5 18.Rc1 Qd7 19.f4-/+) 18.Nc3 (18.Bf3 Qe5 19.Nc5 bc5 (19...Qa1? 20.Ne6 Na5 21.Nc7+-; worse 19...Qc5 20.Qc6 Qe7 21.Qa4+=) 20.Qc6 Qa1 21.Qe6 Kh7-/+) 18...Qd7 19.Bf3 (19.Rd1 Be5 20.d4 cd4=+) 19...Na5-/+ 20.Qd7 Rd7 (worse 20...Bd7 21.Bd5 Kh7 22.Rc1=+) 21.Nb5 Bb8 22.a4 Rfd8 23.Rb1 Be5 24.Be2 Nb3 25.Rd1 (25.Nf3 Bf6-/+) 25...a6 26.Na3 Bb2 27.Nb1 (27.Nac2 Bc3 28.Nf3 g5-+) 27...b5 28.ab5 ab5 29.d4 c4 30.Nc2 Bd5 (30...Kf7 31.Bf3-+) 31.Bf3 Bf3 32.gf3 Nc1?? (better 32...Kf7-+) 33.Rc1+/- Bc1 34.Rc1 Ra8 (34...Rb7!?+/-) 35.Nc3+- Rb7 36.Nb4 (36.Rb1 Ra5+-) 36...Ra3+/- 37.e4 Rb3 38.Nca2 (38.Nc6!? Ra3 39.Ne5+-) 38...Rf3 39.e5 Rb3 40.Kg2 (40.Nc6 Rd7+/-) 40...Kf7 (40...Rd7 41.d5+/-) 41.d5+/- Ra7 42.Rc2 Ra4 (better 42...Rb1!?+/-) 43.Nc6 Rd3 (43...f4 44.e6 Kf6+-) 44.Nab4?? (better 44.Nc3 Ra8 45.Nb4 Rc3 46.Rc3+-) 44...Rd1+/- 45.e6 Kf6 (45...Ke8 46.Rb2+/-) 46.f4 (46.Re2 Raa1 47.Nc2+-) 46...Raa1+= 47.Re2 White intends e7 (47.Kf3 Rf1 48.Rf2 Rf2 49.Kf2 Rd1+/-) 47...Re1 (47...Rg1!? 48.Kh3 Rh1 49.Rh2 Rhd1+=) 48.Kf2+/- Re2 49.Ke2 Rb1?? (better 49...g5+-) 50.e7 Kf7 51.d6 Ke8 52.Ke3 (52.Na6 Rb2 53.Ke3 Rb3 54.Kd4 Rd3 55.Kc5 Re3 56.Nc7 Kf7 57.Ne5 Re5 58.fe5 Kg6 59.e8Q Kg5 60.d7 Kg4 61.d8Q g5 62.Qd1 Kg3 63.Qeh5 g4 64.Qe1 Kf3 65.Qhh1 Kf4 66.Ne6) 52...Rd1 (52...Re1 53.Kf2 Rd1+-) 53.Ne5 (better 53.Na6 Rd3 54.Ke2 Rd6 55.Nc7 Kd7 56.e8Q Kc7 57.Ne7 Re6 58.Kd2 Rd6 59.Kc1+-) 53...Rd6-/+ 54.Nbc6 (54.Nec6 Rd1-/+) 54...c3 55.Nd4 b4 (better 55...Rd5!?-/+) 56.Nf5=+ Rd1 (56...Rf6 57.Nc4=) 57.Ng7 (better 57.Nc6!? Re1 58.Kd3+=) 57...Ke7=+ 58.Nf5 Ke6 59.Nd4 (59.Nh6?? c2 60.Nd3 Rd3 61.Kd3 c1Q-+) 59...Kd5 60.Nd3 b3 (better 60...Rb1!?-/+) 61.Nb3+= Kc4 (61...Rg1 62.Kf2 Rd1 63.Ke2+=) 62.Nbc1+/- c2 (62...h5 63.Ke4+/-) 63.g4 Kc3 64.g5 (64.f5!?+/-) 64...hg5+= 65.f5 (better 65.fg5!? Kc4 66.g6=) 65...Rf1=+ 66.Ne2 Kb3 (66...Kc4 67.Ne5 Kb3 68.Nd4 Kb2 69.Nd3 Kb1 70.Ne2=+) 67.Ng3 (67.Nd4!? Kc3 68.Ne2 Kc4 69.Ne5 Kb3 70.Nd4 Kb2 71.Nd3 Kb1 72.Ne2=+) 67...Rd1 (67...c1Q 68.Nc1 Rc1 69.f6=+) 68.Ne2=+ Rf1 (68...Kc4 69.Nb2 Kc5 70.Nd3 Kd6 71.Kd4=+) 69.Ng3 (better 69.Nd4!? Kc3 70.Ne2 Kc4 71.Ne5 Kb3 72.Nd4 Kb2 73.Nd3 Kb1 74.Ne2=+) 69...c1Q-/+ 70.Nc1 Rc1 71.Ke4 (71.f6 Rc3 72.Ke2 Rc4-/+) 71...Rc4 (71...Rc3 72.Ne2 Rc4 73.Kf3 Rb4=+) 72.Ke5=+ Rf4 (72...Rc5 73.Kf6=) 73.f6 Rf3 (73...Rb4=) 74.Nh5?? (74.Nf5 Rh3 75.f7=) 74...g4 75.Nf4 Re3 (75...Rc3 76.Nd5 Rc5 77.f7=+) 76.Kf5= Re8 77.f7 (77.Kg4!? Rf8 78.Nh5=) 77...Rf8-/+ 78.Kf6 (78.Kg4 Rf7 79.Kf3 Kc4-/+) 78...g3 79.Ng2 (79.Ke7 Rf7 80.Kf7 Kc4=) 79...Kc4 (79...Kc3 80.Kg7 Rc8 81.f8Q Rf8 82.Kf8=) 80.Ke7 (better 80.Nf4-/+) 80...Rf7 (better 80...Ra8!?-/+) 81.Kf7= Kd5 82.Kf6 Ke4 83.Kg5 Kf3 84.Nh4 Kf2 85.Kg4 g2 86.Ng2 ½-½. zembelek1 (2230) - rmnp (2290), Rated Classical tournament, lichess.org, 2016.

6.c4 Nc6 7.Bb2 d5 8.cd5 Nd5 9.e3 Bf5 10.Be2 Qe7 11.Qa4 Rad8 12.0-0 Nb6 13.Qb3 Qe6 14.Qe6 fe6 15.Rc1 Bd3 16.Bd3 Rd3 17.Bc3 Rf5 18.Ba5 Ra5 19.Nc3 Nd5 (19...Nc4!?=) 20.Nd5+= Rdd5 21.d4 Rdb5 22.Nd2 Kf7 23.Kf1 Ke7 24.Rc3 e5 25.de5 Re5 26.Rac1 (26.Rc6 bc6 27.Nc4 Reb5 28.Na5 Ra5+=) 26...Red5= 27.Ne4 Rab5 28.g4 Rb2 29.Kg2 h5 30.h3 h4 31.R1c2 Rc2 32.Rc2 Rb5 33.Rc3 Re5 34.Nd2 Rd5 (34...Rb5 35.Kf1=) 35.Nf3 g5 36.e4 Rb5 37.e5 Kd7 38.Ng5 Ne5 39.f4 Nc6 40.f5 Ne5 41.Kf2 Rb1 42.Ne4 c6 43.Ke3 Rf1 44.Nd2 Rd1 45.g5 Kd6 46.Nc4 (46.Ne4!? Ke7 47.Kf4+-) 46...Nc4+/- 47.Rc4 Rg1 48.Kf4 c5 49.Rc2 Rf1 (49...b5 50.Rd2 Kc6 51.f6+-) 50.Kg4 b5 51.g6 1-0. heisenberg005 (2220) - marekt (2190), gameknot.com, 2020.

6.c4 Nc6 7.Bb2 d5 8.e3 Bg4 9.h3 Bh5 10.Be2 Re8 11.Qc2 Ne4 12.Bd3 f5 13.cd5 Ne7 14.Be4 fe4 15.Qe4 Qd5 16.Qd5 Nd5 17.g4 Bg6 18.0-0 Rad8 19.Nc3 Nc3 20.Bc3 Bc3 21.dc3 c5 22.Rac1 Be4 23.Nh2 Rd2 24.Rfd1 Ra2 25.Ra1 Rc2 26.Rdc1 Rb2 27.Nf1 Rf8 28.Ng3 Bc6 29.Nf5 Be4 30.Nd6 Bc6 31.Nf5 ½–½. purplegadge (1775) – leandrolean (1825), gameknot.com, 2014.

6.c4 Nc6 7.Bb2 Re8 8.e3 d6 (8...d5 9.cd5 Nd5 10.Bb5=+) 9.Be2= a6 (9...Bf5 10.0-0=) 10.0-0 b5 (better 10...Bf5!?=) 11.cb5+- ab5 12.Bb5 Bd7 13.a4 (13.d4 Qb8 14.Qe2 Ne5 15.Bd7 Nf3 16.gf3 Nd7+=) 13...Na7 (13...Rb8 14.Na3+-) 14.Bf6+- Qf6 15.Bd7 Qa1? (better 15...Re7 16.Nc3! Rd7+-) 16.Be8+- Re8 17.Qb3 Qf6 18.Qb7 Bb6 19.a5! Ba5 20.Qa7 Qf5 21.Nd4 Qd5 22.Nc3 Ra8 (22...Bc3 23.dc3 Qc4+-) 23.Rb1 g6 (23...Bb6 24.Qb6 Qg2 25.Kg2 cb6 26.Rb6+-) 24.Qb8! Rb8 (24...Kg7 25.Nd5 Rb8 26.Rb8 Bd2 27.Nc7+-) 25.Rb8 (25.Nd5?? Rb1) 25...Kg7 26.Nd5 c5 27.Nb3 c4 28.Na5 1–0. michaelbuss (2810) – hosik, ChessWorld.net, 2010.

6.c4 d5 7.cd5 Nd5 8.Qa4 =+.

6.c4 d5 7.cd5 Nd5 8.Qc2 Nc6 =+.

6.c4 d5 7.cd5 Nd5 8.e4 Nf6 (8...Nc6 9.ed5 Ne5 10.Ne5-/+) 9.Bc3=+ c5 (9...Bc3 10.Nc3 Re8 11.Qc2=+) 10.Ba5 Qa5 11.Nc3 Nc6 (11...Re8 12.Qb1=+) 12.Bc4 (12.Qa4 Qa4 13.Na4 Ne4=+) 12...Bg4-/+ 13.0-0 Nd4 14.Rb1 Bf3 15.gf3 Qc7 16.Re1 Qf4 17.Re3 Rae8 18.Rb7= Re5 19.Bf1 Rg5 20.Bg2 a6 21.Kh1 Rd8 22.Qf1 h6 23.Qa6+= Nc2 24.Rd3+/– Rd3 25.Qd3 Ne1 26.Qd8 Kh7 27.Ne2 Qh4 28.Ng3+/– Nh5? 29.Rf7+- Ng2 30.Rf8 Nf6 31.Kg2 Ng8 32.Rg8 (32.Rg8 Rg3 33.fg3 Qd8 34.Rd8+-) 1–0. b4_player – opponent, gamecolony.com, 2008.

6.c4 d6 7.Bb2 Be6 8.e3 Nc6 9.Qb3 b6 (9...Rb8 10.Qc2=+) 10.Nc3 (10.Be2 a6=) 10...Bc3 11.Qc3= Ne7 12.d4 Ne4 (12...d5 13.cd5 Ned5 14.Qc2=) 13.Qc2+= d5 14.Bd3 c5?? (better is 14...f5+=) 15.cd5+- Bf5 16.Be4 Be4 17.Qe4 Nd5 18.dc5 bc5 19.0-0 Re8 20.Qc4 Qd6 21.Rfd1 (21.Rfd1 Rad8 22.Ng5+-) 1–0. jammboy – Steve20, ChessWorld.net, 2006.

6.c4 d6 7.Bc3 Nc6 (7...c6 8.e3=+) 8.e3 Bg4 (8...Re8 9.d4=) 9.Be2= Ne4 (9...Re8 10.0-0=) 10.Ba5 Na5 11.d3 Qf6 12.d4 c5 13.Qa4 cd4 14.Ra2 de3 15.fe3 b6 16.0-0 Qh6 17.Bd1 Be6 18.Re1 Bc4 19.Nbd2 Nc5 20.Qc2 Ba2 21.Qa2 Nd3 22.Re2 Nc1 (22...Nc1 23.Qb2 Ne2 24.Kf2 Rfe8-+) 0–1. 1805DYDIDIDY – otto01, mySchach.de, 2005.

6.c4 Re8 7.e3 c5 8.Be2 Nc6 9.Bc3 d5 10.Ba5 Qa5 11.cd5 Nd5 12.0-0 b6 13.Bc4 Nce7 14.h3 (better 14.Qb3!? Be6 15.Ng5+/-) 14...Ba6 15.Qc2 Rad8 16.d4 cd4 17.Nd4? (better 17.Ba6 Qa6 18.Nd4=+) 17...Rc8-+ 18.Nd2 b5 19.N4b3?? (19.e4 Nf4 20.Bf7 Kf7 21.Qa2 Kf8 22.N2f3-+) 19...Qd8 20.Bd5 (20.Nd4 bc4 21.Rfd1-+) 20...Rc2 (20...Nd5?! 21.Qd3 Nc3 22.Qd8 Red8 23.Nd4=+; 20...Qd5?! 21.Qb2=+) 21.Be4 Rd2 22.Nd2 Qd2 23.Rfd1 Qb2 24.Rdb1 (24.Bf3 Rc8-+) 24...Qe5 25.Bf3 Nd5 26.a4 (26.Rd1 Nc3 27.Rd4 Bb7 28.Bb7 Ne2 29.Kh1 Nd4 30.ed4 Qd4-+) 26...b4 (better 26...Nc3 27.ab5 Nb1 28.Ra6 Qb5 29.Rd6-+) 27.a5 (27.Bd5 Qd5 28.Rb4 Bb7-+) 27...Rb8 (better 27...Nc3 28.Bd1-+) 28.Ra4 b3 (better 28...Nc3 29.Rbb4 Na4 30.Rb8 Qb8 31.Bg4-+) 29.Re4 Qd6 (better 29...Qc3 30.Rd4 Ne3 31.Re4-+) 30.Rd4 Rb5 31.e4 Qg6 (better 31...Qe5 32.Rd5 Rd5 33.ed5-+) 32.Rb2 (32.Rdd1-+) 32...Qf6 33.Rbd2 b2 34.Rd5 Rd5 35.Rd5 b1Q 36.Kh2 Qb8 37.e5 (37.Kg1 Qff4 38.e5 Bb7 39.Rd1 Bf3 40.Re1 Qg5 41.g3 Qbe5 42.Re5 Qc1 43.Re1 Qe1 44.Kh2 Qf2) 37...Qf4 38.Kg1 Qb1 (38...Bb7 39.Rd1 Bf3 40.Re1 Qg5 41.g4 Qd2 42.Ra1 Qe5 43.Rb1 Qh2 44.Kh2 Qf2) 39.Rd1-+ Qd1! 40.Bd1 Qc1 41.Kh2 Qd1 42.f4 Qd2 43.Kg3 Bf1 44.Kg4 (44.f5 Qe3 45.Kg4 Bg2 46.f6 h6 47.fg7 Qg5) 44...g6 (44...Qg2 45.Kh4 h6 46.f5 Qh3) 45.Kg5 (45.f5 Qg2 46.Kf4 g5 47.Ke3 Qe2 48.Kd4 Qc4 49.Ke3 Qf4) 45...Kg7 (45...h6 46.Kh4 Qg2 47.f5 Qh3) 46.g4 (46.Kg4 Qg2 47.Kh4 Qh3 48.Kg5 Qg3) 46...h6 (46...Qd8) 47.Kh4 Qf2 0-1. dale70 (2000) - Noonui (2400), Rated Blitz tournament Iabovr42, lichess.org, 2015.

6.c4 Re8 7.e3 Nc6 8.Bc3 d5 9.Ba5 Na5 10.Qa4 (10.cd5 Nd5 11.d4 Bf5=+) 10...Nc4-/+ 11.Bc4 dc4 12.Qc4 Bf5 (12...Bg4 13.d4=+) 13.d4= Be4 14.Nbd2 Bd5 15.Qc2 Ne4 16.0-0 c6 (16...Rc8 17.Rac1=) 17.Rfb1 Rb8 18.a4 Ng5 (18...c5 19.dc5 Rc8 20.Nb3=+) 19.Qd1 (19.Ne5 f6 20.Nd3 Ne4=) 19...Nf3 20.Nf3 f6 21.a5 Qe7 22.Nd2 Qf7 23.Qc2 h5 (23...f5!?=) 24.e4+= Be6 (24...Qg6 25.f3+/-) 25.f3 (25.a6 Red8 26.ab7 Rb7 27.Rb7 Qb7+/-) 25...Red8 26.Qc3 Qd7 27.Rb4 b6 28.ab6 ab6 29.Nb3 Kh7 30.Rc1 (30.Rba4 f5+=) 30...Rdc8 31.Nd2 (31.Rb1 Qd6 32.e5 fe5 33.de5 Qd8+=) 31...Qd6 (31...c5 32.dc5 Rc5 33.Qb2=+) 32.Nf1 (32.Nc4 Qd8 33.Rb2=) 32...c5=+ 33.Ra4 (33.Rbb1 Qd4 34.Qd4 cd4 35.Rc8 Bc8-/+ (worse 35...Rc8 36.Rb6 Bf7 37.Rd6=)) 33...cd4 (33...Qd7 34.Rca1 b5 35.Ra6 cd4 36.Qb2-/+) 34.Qd2 (better 34.Qd3!? Qe5 35.Rc8 Rc8 36.Qd4=+) 34...Rc1-/+ 35.Qc1 b5 36.Ra7 b4 37.Ng3?? (better 37.Ra5-/+) 37...Kg6 (37...d3 38.Nf1 Qb6 39.Qe3 Qe3 40.Ne3 b3-+) 38.f4?? (better 38.Nh5!? Bd7 39.Qf4=) 38...Bg4 (38...d3 39.Kh1 d2 40.Qd1-+) 39.h3 (better 39.Qc4 Kh6 40.Qf7-+) 39...h4 (39...d3 40.Ra2 b3 41.Rb2-+) 40.hg4 (40.Qc4 Kh7 41.hg4 hg3= (41...Qf4 42.Rg7 Kh8 43.Nf5 Qe3 44.Ne3 Kg7 45.Nf5 Kg6 46.Nh4 Kh6 47.Qf7 Kg5 48.g3 Kg4 49.Qg6 Kh3 50.Ng2 b3 51.Nf4)) 40...hg3 (40...Qb6 41.Rd7 hg3 42.f5 Kh7-+) 41.f5?? (better 41.Qc4 Kh7 42.Qf7=) 41...Kh7-+ 42.g5 b3 43.gf6?? (better 43.g6 Kh8 44.Rc7-+) 43...Qf6-+ 44.Qf4 Qb6 45.Ra1 b2 46.Rb1 d3 47.Kh1 Qh6 48.Qh6 Kh6 49.Kg1 (49.f6 Rc8 50.Rf1 Rc1 51.Kg1 Rf1 52.Kf1 b1Q) 49...Kg5 (49...Rc8 50.Re1 Rc1 51.Kf1 b1Q 52.Rc1 Qc1) 50.Kf1 (50.e5 Rc8 51.Re1 Rc1 52.Kf1 b1Q 53.Rc1 Qc1) 50...Kf4 51.Ke1 (51.f6 Rc8 52.Ke1 Ke3 53.Rd1 Rc1 54.e5 Rd1 55.Kd1 b1Q) 51...Ke4 (51...Ke3 52.Kf1 d2 53.Kg1 Rd8 54.Rd1 b1Q 55.Rb1 d1Q 56.Rd1 Rd1) 52.Kd2-+ Kd4 53.Kd1 If White now only could play Re8... 53...Kc3 54.Ke1 (54.Rc1 bc1R 55.Kc1 d2 56.Kd1 Re8 57.f6 Re1) 54...Kc2 (54...Rh8 55.Rb2 Rh1) 55.Rd1 (55.f6 Re8 56.Kf1 Kb1 57.f7 Rc8 58.Ke1 Kc2 59.f8Q b1Q) 55...b1Q 56.Rb1 Rb1 0-1. zembelek1 (2160) - erikelrojo (2240), Rated Classical tournament, lichess.org, 2016.

6.c4 Re8 7.e3 d6 8.Bb2 Bg4 9.Be2 Nbd7 10.Qa4 (10.0-0 Qe7=) 10...c6=+ 11.Nc3 Nc5 (11...Ne5 12.Ne5 de5 13.Bg4 Ng4 14.Rb1=+) 12.Qc2= Bh5 13.d4?? (better 13.0-0=) 13...Bg6-+ 14.Qd1? (better 14.Qc1 Nb3 15.Qd1 Na1 16.Qa1-+) 14...Nce4?? (better 14...Qb6 15.dc5 Qb2-+) 15.Qc1=+ Nc3 16.Bc3 Ne4 17.Ba5 Qa5 18.Nd2 c5 19.d5 f5 (19...a6=+) 20.Ra2 (better 20.g3!?=+) 20...f4!-+ 21.0-0 (21.ef4 Nc3 Combination) 21…Nc3 (21...Nc3 22.Nb3 Na2 23.Na5 Nc1 24.Rc1 Re7-+) 0-1. DoubleDutch86 (2125) - FernandoFreire (2285), Rated Blitz game, lichess.org, 2016.

6.e3 c5 7.Bb2 Nc6 8.Be2 d5 9.0-0 d4 10.d3 Nd5 11.e4 Nf4 12.Nbd2 f5 13.g3 (better 13.Bc1!?-/+) 13...Ne2 14.Qe2 fe4 15.Qe4? (15.de4 Bg4 16.h3 Bh3 17.Qc4 Rf7 18.Qc5-+) 15...Bf5 16.Qh4 Qd5 (16...Qh4 17.gh4 Bh3 18.Ng5 Bf1 19.Nf1-+) 17.Rae1? (17.g4 Bg6 18.Qg3 Bc3-+) 17...Rae8 (better 17...Bg6 18.Re4 Be4 19.Qe4 Qe4 20.de4 c4 21.Nc4 Rf3-+) 18.Re8 Re8 19.Bc1 h6 (better 19...Bd8 20.Qh5 g6-+) 20.Qh5-/+ Re2 (better 20...Rd8-/+) 21.Nh4+= Rd2? (better 21...Qe6 22.Nf5 Bd2+=) 22.Bd2+- Bd2 23.Qf5 Qf5 24.Nf5 Ne5 25.Kg2 b5 26.Nd6 a6 (26...b4 27.a4+-) 27.Rd1 (better 27.Ne4!? Bc3 28.Nc5 a5+-) 27...Bc3 28.h3 Kf8 29.f4 Nd7 30.Ne4 Ke7 31.Nc3 dc3 32.Rb1 Kd6 33.Rb3 Nb6 34.Rc3 Kd5 (34...Nd5 35.Rb3 Ne3 36.Kf3 Nc2+-) 35.Rb3 Kd4 36.Kf3 Nd5 37.g4 b4 38.ab4 cb4 39.h4?? White intends g5 (better 39.Rb2 Kc5 40.Rb1+-) 39...a5+= 40.Rb2 a4 41.Ra2 a3?? (better 41...Nc3!? 42.Ra1 b3 43.cb3 ab3=) 42.g5 h5? (better 42...Ne7+=) 43.f5+- Ke5? (better 43...Ne3 44.f6 gf6+-) 44.f6! gf6 45.gf6?? (better 45.g6 Ke6 46.Ra1 f5+-) 45...Nf6?? (better 45...Kf6 46.Ra1 Ke5+=) 46.c3+- bc3 47.Ra3 Kd4 48.Ke2 Nd5 49.Ra4 Ke5 50.Rc4 Kf5 (50...Nf4 51.Ke3 Nd5 52.Kf3 Ne7 53.Rc3 Kd4 54.Rc4 Kd3+-) 51.Kf3 Ke5 52.d4 Kf5 53.Rc5 Ke6 54.Ke4 Nf6 55.Kd3 Nd5 (55...Kd6+-) 56.Rd5! Kd5 57.Kc3 Kd6 58.Kc4 Kc6 59.d5 Kd6 60.Kd4 Kd7 61.Ke5 Ke7 62.Kf5 Kd6 63.Kg5 Kd5 64.Kh5 Ke6 65.Kg6 1-0. zembelek (2235) - rmnp (2410), Rated Classical tournament, lichess.org, 2016.

6.e3 c5 7.c4 Re8 8.Qc2 Nc6 9.Bc3 Bc7 (9...d6 10.Be2=+) 10.Qb2= b6 (10...Nh5 11.d4=) 11.Bf6 Qf6 (11...gf6 12.Nc3=) 12.Qf6+= gf6 13.Nc3 Ne7 (13...Be5 14.Ne5 fe5 15.Bd3+=) 14.Be2 Bb7 15.0-0 (15.Rd1 Be5+=) 15...d5 16.cd5 (16.d4 dc4 17.dc5 bc5+=) 16...Nd5= 17.Rac1 Nc3 18.Rc3 Rad8 (18...Be5 19.d4 cd4 20.ed4 Bh2 21.Kh2 Re2 22.Kg3=) 19.d4+= Bd6 20.dc5 Bc5 21.Bb5 Re6 22.Bc4 Red6 23.Nh4 Bc8 24.e4 (24.h3 f5=) 24...Rd2 (24...Rd4 25.Bd5=+) 25.Rg3 (25.Nf3!? Rb2 26.Ne1=) 25...Kf8=+ 26.Rf3 (26.Rc3 Bb7 27.Nf3 Rb2-/+ (27...Be4?! 28.Nd2 Rd2 29.a4=)) 26...R2d4 27.Ba2? (27.Rc3!?-/+) 27...Re4 (27...Ba6!? 28.Bb3 Bf1 29.Kf1 Re4 30.g3-+) 28.Rf6 Rd7 (28...Rd2 29.Rf7 Ke8 30.Bb3 Rh4 31.g3-+) 29.Nf5 (better 29.Nf3!? Ba6 30.Ng5 Bf1 31.Ne4-/+) 29...Ba6-+ 30.Ng3 Ra4 (better 30...Red4 31.Rf3 Bf1 32.Nf1 Ra4-+) 31.Be6? (better 31.Rc1-+) 31...Re7 (31...Bf1?! 32.Bd7 Rd4 33.Nf1 Rd7 34.Rf3=+) 32.Bf5 Bf1 33.Nf1 (33.Kf1 Bf2 34.Rd6 Bg3 35.hg3 Ra3 36.Bh7-+) 33...Rf4 34.g3 (34.h3 Rf2 35.Rc6 Rf5 36.Kh2 Rf1-+) 34…Rf2 (34...Rf2 35.Kh1 Rf1 36.Kg2 Rf2 37.Kh3 Kg7-+) 0-1. zembelek (2300) - konik59 (2350), Rated Classical tournament, lichess.org, 2016.

6.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

6.e3 d5 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.Nf3).

6.e3 d5 7.c4 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5).

6.e3 d5 7.Be2 c5 8.0-0 Nc6 9.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.e3 d6 7.Bb2 Nc6 =.

6.g3 d6 7.Bc3 (7.Bb2 Nc6=+) 7...c6 (7...Bb6 8.Bg2=+) 8.Bg2 Bg4 (8...Be6 9.0-0=+) 9.0-0 Nbd7 10.Bb4 (10.Nd4 Re8=+) 10...Bb4 11.ab4 a5 (11...Re8 12.Nd4=+) 12.ba5 Ra5 13.Nc3 Qc7 (13...Re8 14.Ra5 Qa5 15.Qb1 Bf3 16.Bf3=) 14.Ra5= (14.Ra5 Qa5 15.Qb1 Bf3 16.Bf3=+). mic (2200) – paulmorphyfan (2345), net–chess.com, 2008.

6.g3 Re8 7.Bg2 d5 8.0-0 c5 9.Bb2 (9.Re1 Nc6 10.Bc3 Bf5=+) 9...Nc6 10.e3 Bg4 (10...Bf5 11.Bc3=+) 11.d4 (11.h3 Bf5=+) 11...cd4 (11...c4 12.Bc3=+) 12.ed4 (12.Bd4 Nd4 13.Qd4 Qc7=+) 12...Qd7 13.Qd3 Bf5 14.Qd1 Bh3 15.Nbd2 Bg2 16.Kg2 Ne4 17.Ne4 de4 18.Ne5 Ne5 19.de5 Qc6 20.Qe2 Bc7 21.Qh5 e3-+ 22.Qf3 e2 23.Rfe1 Be5 24.Be5 Re5 25.Qc6 bc6 26.f4 Re3 27.a4 Rae8 28.c4 Rc3 29.Ra2 Rc4 30.Ree2 Re2 31.Re2 Kf8 32.Ra2 a5-+ 33.h4 c5 34.Kf3 Ke7 35.g4 h6 36.h5 Kd6 37.Ke3 Kd5 38.Ra3 Rd4 39.g5 c4 40.g6 f5 41.Rc3 Re4 42.Kf3 Kd4 43.Rc1 Re3 44.Kf2 c3 0–1. wlittle (2160) – frenk (2645), net–chess.com, 2005.

6.Bc3 Bb6

7.Bb2 A) 7...d5 8.e3 Nc6 9.Bd3 d4 10.0-0 Bg4 11.h3 Bh5 12.a4; B) 7...Nc6 8.e3 d5 9.Bd3 d4 10.0-0 Bg4 11.h3 Bh5 12.a4; C) 7...c5 8.g3 (8.e3 Nc6 9.Bb5 a6 10.Bd3 d5 11.Nc3 c4 12.Be2; 8.Nc3 d5 9.e3 Nc6 10.Bd3 c4 11.Be2 Bf5 12.0-0) 8...d5 9.Bg2 Nc6 10.Nc3 Qe7 11.0-0 d4 12.Na4; D) 7...Na6 8.Nc3 (8.e3 Nc5 9.Nc3 d5 10.Be2 Qe7 11.0-0 Bd7 12.d4) 8...Re8 9.e3 Nc5 10.Be2 d5 11.0-0 Bf5 12.Nd4; E) 7...Re8 8.e3 Nc6 9.Bd3 d5 10.0-0 d4 11.a4 Ne4 12.Na3.

7.e3 d5= 8.Bd3 Nc6 9.Bf6 Qf6 10.Nc3 Rd8 11.0-0 Be6 12.Rb1.

7.e3 d5 8.Be2 Nc6=.

7.e3 d5 8.Bf6 gf6 9.Be2+=.

7.e3 d5= 8.Bf6 Qf6 9.Nc3 Be6 10.Rb1 Nc6 11.Bd3 d4 12.Ne4.

7.e3 d5 8.Bf6 Qf6=+ 9.d4 Bg4 10.Be2 Nd7 11.0-0 c6 12.Nbd2 Rfe8 13.c4 dc4 14.Nc4 Bc7 15.h3 Bh5 (15...Be6 16.Bd3=) 16.Re1 (16.Rc1 Nb6=) 16...Nb6 17.Nfe5 Nc4 18.Nd7?? (better 18.Nc4 Bg6 19.Bd3=) 18...Qd6-+ 19.Ne5 Be2 20.Re2 (20.Qe2 Ne5 21.de5 Qe5-+) 20...Ne5 21.de5 Qe5 22.g3 Rad8 23.Qf1 Rd7 24.Ree1 Rd2 (24...Red8 25.Red1-+) 25.Rab1 b6 26.Rb4 (26.Rbc1 Qe6-+) 26...Qc3 (26...Qe6 27.Ra4 a5 28.Rc4-+) 27.Rc4 Qa3 28.Rc6 Bb8 29.Qc4 (29.Re2 Re2 30.Qe2 Qa1 31.Kh2 Qa4-+) 29...Rdd8 30.Kg2 Qd3 31.Qd3 Rd3 32.Rec1 Rdd8 33.R1c2 Be5 34.Kf3 Ra8 (34...b5 35.Ra2 Re7 36.Rc5-+) 35.Ke2 (35.Rd2 Re7-+) 35...Reb8 (35...b5 36.Ra6-+) 36.f4 Bf6 37.g4 a5 38.e4 Be7 (38...b5 39.e5 Bd8 40.Ra2-+) 39.e5 a4 40.e6 (40.Rd2 Bh4 41.Rc7 Bd8-+) 40...fe6 41.Re6 Bf8 42.Rec6 b5 43.f5 (43.Rd2 b4 44.Rc1 b3-+) 43...b4 44.f6 b3 45.f7 Kf7 46.Rc7 Kg8 (46...Kg8 47.Rd2 b2 48.Rb2 Rb2 49.Kd3 a3-+) 0–1. petrobbo (2000) – bonefish54 (2230), ChessWorld.net, 2012.

7.e3 d6 8.Bf6 (8.Bd3 Nc6 9.Bb2 Ng4 10.Nc3 Nce5 11.0-0 Be6 12.Be2; 8.Bb2 Bg4 9.Nc3 Nc6 10.h3 Bf5 11.Bd3 Qd7 12.0-0) 8...Qf6 9.Nc3 Nc6 10.Bc4 Qg6 11.Bd3 Qg2 12.Rg1.

7.Bf6 gf6 8.e3+= (8.Nc3 d5 9.e3 d4 10.Nd4 Bd4 11.ed4 Nc6 12.d5) 8...Nc6 9.Bd3 d5 10.0-0 Kh8 11.Nc3 Rg8 12.Kh1.

7.Bf6 Qf6=+ 8.Nc3 c6 (8...Nc6 9.e3 Ba5 10.Nd5 Qf5 11.Bc4 Qe4 12.Bb3) 9.e3 (9.e4 d6 10.Bc4 Nd7 11.0-0 Ne5 12.Ne5) 9...d5 10.Be2 Qd6 (10...Re8 11.0-0=+ Nd7 12.d4; 10...Nd7 11.0-0 Re8 12.d4) 11.0-0 (11.Bd3 Nd7 12.0-0) 11...f5 (11...Re8 12.d4) 12.d4 (12.g3=) 12...Nd7 13.Qb1 Nf6 14.Ne5 Ne4 (14...Bc7 15.f4=+) 15.Na4 (15.Qb2!?=) 15…Nd2 (15...Nd2 16.Qb4 Qb4 17.ab4 Bc7= (worse 17...Nf1 18.Nb6 ab6 19.Ra8+/-)). tightfist (2300) - waldokitty (2420), net-chess.com, 2010.

6.e3 Nc6

7.Bb2 d6=.

7.Bb2 Re8 8.Nc3 =.

7.Bc3 Bb6 8.Bf6 Qf6 9.Nc3 Ne7 10.Be2 c6 11.Ne4 Qh6 12.d4 d5 13.Ned2 Bc7 14.c4 Re8 15.Qb3 Rb8 16.0-0 Qh5 17.Rfe1 Bg4 18.h3 Be6 19.Rab1 dc4 20.Bc4 (20.Nc4? b5-+) 20...Nd5 21.Qc2 Bd6 22.Rb3 a5 23.Ne4 Bf5 24.Bd3 Be4 25.Be4 a4 26.Rbb1 Ba3 27.Bd5 Qd5 (worse 27...cd5 28.Qa4 Ra8 29.Qb5+/-) 28.Ra1 Bf8 29.Ra4 b5 30.Ra6 c5 31.dc5 Qc5 32.Qb1 Qb4 33.Qa1 Qe4 ½-½. Benassi,Aspasio - Palmkoeck,William, corr TMK/A004, 1999.

7.Bf6 Qf6 8.c3 d5 9.Be2 Ne7 10.0-0 c6 11.d4 Bc7 12.Nbd2 Ng6 13.e4 (13.c4 dc4 14.Bc4 Re8=) 13...de4 14.Ne4 Qf4 15.Ng3 Bg4 16.Ra2 (16.Rb1 b6=) 16...Rfe8=+ 17.Qd2 Qd2 18.Rd2 Nf4 19.Bd1 Ba5 20.Rc2 Be6 21.c4 Rad8 22.c5 (22.Rc1 Kf8-/+) 22...Bd5 23.Rb2 b5 24.Ne5? (24.Nf5 Bc4-+) 24...Bc7 (better 24...Bc3 25.Rc2 Bd4-+) 25.Nf3 Re7 (25...Bc4!? 26.Re1 Re1 27.Ne1 Rd4 28.Bf3-+) 26.Nf5 Re4 (26...Red7 27.g3 Ne6 28.Re1-/+) 27.Bc2? (27.Ne3!?=+) 27...Re2 (27...Ree8 28.Bd1 Ne6 29.Rd2-+) 28.Ng3-/+ Ree8 29.Nf5?? (29.Bd1 Ne6 30.Nf5-+) 29...g6 (29...Bf3 30.gf3 g6 31.Ne3 Rd4 32.Be4-+) 30.Ne3 (30.N5h4 Ba5 31.Rbb1 Bc3-+) 30...Bf3 (30...Ne2 31.Kh1 Bf3 32.gf3 Nd4 33.Rd1-+) 31.gf3 Nd5?? (better 31...Rd4 32.Be4 Re6-+) 32.Be4 f5?? (better 32...Ne7 33.Rd1 f5-/+) 33.Bd5+/- cd5 34.Rb5 f4 35.Ng4 (better 35.Rb7 fe3 36.Rc7+/-) 35...Kg7? (better 35...Re6!?+/-) 36.Rb7+- Re7 37.Rc7?? (better 37.Ra7 Kf7 38.Rb1+-) 37...Rc7-/+ 38.Ne5 Re7?? (38...Rb8 39.Nd3-/+) 39.Rb1?? (better 39.Nc6 Rde8 40.Ne7 Re7 41.Rb1+/-) 39...Rde8 40.Rb5 Re5 (40...Kf6!?=+) 41.de5= Re5 0-1. zembelek (2105) - CreativePlayer (2200), Rated Blitz game, lichess.org, 2014.

7.Bf6 Qf6+= 8.Bd3?? Qa1-+ 0–1. JAY2PLAY – marekt, ChessWorld.net, 2016.

7.Bb2 d5

8.c3 Bf5 9.d4 Ne4 10.Be2 Ne7 11.0-0 Nc8 12.Qb3 Bb6 13.Nbd2 c6 14.Ne4 Be4 15.Nd2 Nd6 16.f3 (16.Ne4 Ne4 17.Rad1 Bc7=) 16...Bg6 17.c4 Bc7 (17...Re8 18.c5 (worse 18.cd5 Nf5 19.Nc4 Qd5-/+) 18...Nf5 19.cb6 Re3 20.Qd1 Qb6 21.Ra2 Nd4 22.Bd4 Qd4 23.Rf2-/+) 18.c5 (better 18.cd5!? Ba5 19.Nc4 Nc4 20.Bc4=) 18...Nf5=+ 19.e4 (19.Rfe1 Re8 20.Bd3 b6=+) 19...Qh4 (better 19...de4 20.fe4 Nd4-+) 20.e5? (better 20.h3 Ng3 21.Rfe1-/+) 20...Nd4-+ 21.Qd1 (21.Qe3 Nc2 22.Qf2 Qf2 23.Kf2 Na1 24.Ra1-+) 21...Be5 22.f4 (22.g3 Qf6 23.Bd4 Bd4 24.Kh1 Ba1 25.Qa1-+) 22...Ne2 23.Qe2 Bb2 24.Rab1 (24.Nf3 Qf6 25.Ra2 Bc3-+) 24...Bb1 (24...Bd4 25.Kh1 Bb1 26.Qd1-+) 25.Rb1 (25.Nf3 Qf4 26.Qb2 Bd3-+) 25...Rae8 (better 25...Qf4 26.Qd3 Qd4 27.Qd4 Bd4 28.Kf1 Bc5 29.Nf3-+) 26.Qd3 (26.Qf2 Qf2 27.Kf2 Ba3 28.Rb7 Bc5 29.Kg3 a5-+) 26...Re1 27.Nf1 Rb1 28.Qb1 Bd4 29.Kh1 Qf2 30.Ng3 Re8 (30...Re8 31.Ne4 Re4 32.h3 Re2 33.Qh7 Kh7 34.Kh2 Qg2) 0-1. bvamrx (2075) - Victor_de_Vries (2105), lichess.org, 2021.

8.Be2 Qd6 9.0-0 Bg4 10.d3 Ne7 (10...h6 11.Nbd2+=) 11.Nbd2= c6 12.Rc1 Ng6 13.h3 Bh5 (13...Bd2!? 14.Qd2 Bf3 15.Bf3 Nh4+=) 14.Bf6 Bf3 (14...Qf6? 15.g4+-; 14...gf6 15.g4 Qd7 16.gh5 Qh3 17.Re1+/– (17.hg6 Bc7 18.c4 Kh8-/+)) 15.Bg7 (15.Nf3?! Qf6 16.c4 dc4 17.Rc4 Qb2+=) 15...Kg7 16.Nf3 Bc7 17.c4 dc4 18.Rc4 Qa3 19.Ra4 (19.Qc2 a5+-) 19...Qc3 (19...Qb2 20.d4+/–) 20.d4 (20.Qb1 b5 21.Rc1 Qf6+-) 20...b5 (20...Rfe8!?+/–) 21.Ra6+- b4 (better is 21...Rfe8+-) 22.Qb1 b3 23.Rc1 Qb4 24.Rac6 Bd6 (24...Bd8 25.R1c4 Qb7 26.Bd3+-) 25.R1c4 Qa3 (25...Qb8 26.Rc3+-) 26.Rc3 Rab8 (26...Qa2 27.Rb3 Qb1 28.Rb1 Rab8 29.Rb8 Bb8+-) 27.Ra6 Qb4 28.Rc4 Qb5 29.Rd6 a5 (29...b2 30.Rc2 Qb4+-) 30.Qb2 a4 (30...Qb7 31.Nd2 Kg8+-) 31.d5 Kg8 32.Rg6! (32.Rg6 hg6 33.Rh4+-) 1–0. forsetinn (2345) – zrenjanin (2040), gameknot.com, 2014.

8.Be2 Qd6 9.0-0 Bg4 10.h3 Bh5 11.d4 Ne7 (11...Ne4 12.Nbd2+=) 12.c4 (12.Bc3 Nc6=) 12...Bf3 (12...dc4 13.Qa4 Bf3 14.Bf3=) 13.Bf3 c6 (13...dc4 14.Qe2= (14.Bb7?? Rab8-+)) 14.c5 Qe6 15.Nd2 (15.Bc3 Bc3 16.Nc3 b6=) 15...Nf5 16.Nb3 Bc7 17.Nd2 Nh4 18.Rb1 Ne4 (18...Qf5!?+=) 19.Be4= de4 20.Qc2 (20.Bc3 Rab8=) 20...f5 (better is 20...Rfe8+=) 21.Qc3?? (better is 21.Qc4 Qc4 22.Nc4=) 21...Qg6-+ 22.g3 Bg3! (22...Bg3 23.Kh1 Bh2-+) 0–1. phildo (1890) – zrenjanin (2040), gameknot.com, 2014.

8.Be2 Re8 9.0-0 Qe7 10.c4 dc4 11.Bc4 Bg4 12.h3 Bh5 13.g4 Bg6=+ 14.Nh4 Rad8 15.Ng6= hg6 16.d4 Ne4 17.Qc2+= Qh4 18.Kh2?? Ng5-+ (18...Ng5 19.Be2 Qh3 20.Kg1 Rd4 21.Bd4 Nd4 22.ed4 Re2 23.Qe2 Nf3 24.Qf3 Qf3-+) 0–1. Hemzo,Miguel Angelo – Plock,Jorg, Orang–Utan Invitational, 2002.

8.Be2 Re8 9.0-0 Bg4 10.h3 Bh5 11.Nd4 Nd4 12.Bd4 Be2 13.Qe2 Qd6 14.Nc3 c6 15.Qf3 Bc7 16.Qg3 Qg3 17.fg3 Bg3 18.Rf5 Bd6 19.a4 Nd7-/+ 20.Raf1 f6 21.Rb1 b6 22.Ne2 Nc5 23.Bc5 Bc5 24.c3 Bd6 25.h4 Re5 26.Nd4 Rf5 27.Nf5 Bf8 28.d3 c5 29.Kf2 g6 30.Ng3 Bd6 31.Ne2 Kf7 32.Kf3 Ke6 33.g3 Kd7 34.Rc1 a6 35.c4 dc4 36.Rc4 b5-+ 37.ab5 ab5 38.Rc3 Ra1 39.Kf2 b4 40.Rb3 Kc6 41.Nf4 Ra3 42.Rb1 Bf4 43.gf4 Rd3 44.Ke2 Rd8 45.Ra1 c4 46.Ra6 Kb5 47.Rf6 c3 (47...c3 48.Rf7 c2-+) 0–1. Thompson,Cedric – Nurmi,Peter, Winnipeg, 1974.

8.Be2 Bf5 9.0-0 Re8 10.c4 dc4 11.Bc4 Ne4 12.d3 Ng5 (12...Nc5 13.d4 Qf6=) 13.Nbd2 (better 13.Ng5!? Qg5 14.Nc3=) 13...Bd3=+ 14.Bd3 Qd3 15.Ng5 Bd2 (15...Qd2 16.Qb1 g6 17.Rd1+-) 16.Nf3 Rad8 17.Bd4 Nd4 (17...Rd4? 18.ed4 Nd4 19.Nd2+-) 18.ed4 Rd4 19.Nd4 Qd4 20.Ra2 Bc3 21.Re2 Re2 22.Qe2 g6 23.Rd1 (23.Qf3 b6+=) 23...Qc5 24.Rd8 Kg7 25.Qe8 Qa3 26.g4 Ba1 27.Kg2 Qc3 28.Qg8 Kf6 29.g5 Kg5 30.Qf7 Qb4 31.Rd5 Kh6 32.Qf3 Bf6 33.Qe3 (33.Qf6 Qg4 Combination) 33...Kg7 (33...g5!?+=) 34.Rd7+- Kf8 35.Qe6 Be7 36.Rc7 Qh4? (better 36...a5!?+=) 37.f4+- b6 (37...a5 38.Rb7 a4 39.Rd7+-) 38.Ra7 b5 39.Rc7 b4 40.Rb7 Qf6 41.Qf6 Bf6 42.Rb4 Ke8 (42...h5 43.Kf3+-) 43.Kf3 Be7 44.Rb7 Kf7 45.Ke4 Ke6 46.Rb6 Bd6 (46...Kf7 47.Ke5 Bc5 48.Rb7 Kg8 49.Kf6 Bd4 50.Kg5+-) 47.h4 h5 (47...Kd7 48.Rb7 Bc7 49.Ra7+-) 48.Ra6 1–0. forsetinn (2335) – marekt (2115), gameknot.com, 2014.

8.Be2 Ne4

9.0-0 Nc5 A) 10.Bc3 Bc3 (10...Bg4 11.d4 Ne4 12.Ba5 Na5 13.Nfd2 Be2 14.Qe2 Nd2 15.Nd2 Re8=; 10...Re8 11.Ba5 Na5 12.d4 Ne4 13.Qe1 Nc6 14.Nc3 Bg4 15.Rb1 Rb8=; 10...Be6 11.Ba5 Na5 12.d4 Ne4 13.Qe1 c5 14.Nbd2 c4 15.Ne4 de4=; 10...Bf5 11.Ba5 Na5 12.d4 Ne4 13.Qe1 c6 14.Bd3 Re8 15.Nc3 Nc4=) 11.Nc3 Ne4 12.Na2 Qd6 13.d3 Nf6 14.Nc3 a6 15.d4 Re8=; B) 10.Nc3 a6 (10...Be6 11.d4 Nd7 12.Rb1 Re8 13.Na2 Nb6 14.Bc3 Bc3 15.Nc3 Qe7=; 10...Re8 11.Rb1 Ne4 12.Na4 Bg4 13.Bc1 Rb8 14.d3 Ng5 15.Ng5 Be2=; 10...Bg4 11.h3 Bf5 12.Rb1 Re8 13.Bb5 Qd6 14.Bc6 Qc6 15.Nd4 Qd7=; 10...Qd6 11.Nb5 Qg6 12.Ne5 Qe6 13.f4 Ne5 14.Be5 Qe7 15.Nc3 c6=) 11.d3 Re8 12.Rb1 Be6 13.Na2 Na4 14.c3 Nb2 15.Rb2 Qd6=+; C) 10.Bb5 Bg4 (10...Qd6 11.Bc3 Bc3 12.Nc3 Ne4 13.Ne2 Bg4 14.Bc6 bc6 15.Ne1 Be2=; 10...Ne7 11.Bd4 Ne6 12.Bc3 Bc3 13.Nc3 a6 14.Be2 b5 15.d4 Qd6=; 10...a6 11.Bc6 bc6 12.Bc3 Bb6 13.d3 Rb8 14.Nd4 Qf6 15.a4 Qg6=) 11.h3 Bh5 12.Be2 Re8 13.Nc3 Bc3 14.Bc3 Na4 15.Rb1 Nc3=; D) 10.d4 Na4 (10...Ne4 11.c4 Be6 12.Qc2 Re8 13.Bd3 Bf5 14.Ne5 Ne5 15.de5 Bg6+=; 10...Qf6 11.Bc3 Ne4 12.Ba5 Na5 13.Qe1 Nc6 14.Nc3 Rd8 15.Rb1 a6=) 11.Bc1 Bf5 12.Bd2 Bd2 13.Qd2 Nb6 14.Qc3 Qf6 15.Bb5 Rfe8=.

9.0-0 Be6 A) 10.h3 Re8 (10...Nc5 11.Nd4 Qd6 12.Ne6 fe6 13.d4 Na4 14.Ra2 Nb6 15.Nd2 Bd2=; 10...Qd6 11.d3 Nc5 12.Nc3 Rae8 13.Nb5 Qe7 14.Rb1 Na4 15.Ba1 a6=; 10...Qe7 11.d3 Nd6 12.Nbd2 Nb5 13.Nb3 Nc3 14.Qe1 Ne2 15.Qe2 Bb6=; 10...Ng5 11.Bb5 Re8 12.Bc3 Bb6 13.d3 Qe7 14.a4 a6 15.Bc6 bc6=) 11.d3 Nc5 12.Bc3 a6 13.Ba5 Na5 14.Nc3 b5 15.d4 Ne4=+; B) 10.d3 Nc5 (10...Nd6 11.Nbd2 Qe7 12.Nb3 Bb6 13.Qd2 Rae8 14.a4 a5 15.Bc3 Ra8=) 11.Bc3 Re8 12.Qd2 Bc3 13.Nc3 Qf6 14.d4 Ne4 15.Ne4 de4=.

9.0-0 Ne7 10.d3 Nc5 11.Bc3 Bc3 12.Nc3 Be6 13.Rb1 Nf5 14.d4 Ne4 15.Qd3 Nfd6=.

9.0-0 Ne7 10.d3 Nd6 11.c4 dc4 12.dc4 Re8 13.Nbd2 c5 14.Nb3 Bb6 15.Be5 Ne4+=.

9.0-0 Ne7 10.d3 Nd6 11.Nbd2 Nb5 12.Nb3 Nc3 13.Qd2 Ne2 14.Qe2= Bb6 15.c4 c5=.

9.0-0 Ne7 10.d3 Nd6 11.Nbd2 c6 12.Nb3 (12.c4 dc4 13.Nc4 Bc7 14.Qc2 Re8 15.Rab1 Nd5=) 12...Bc7 13.c4 Bg4 (13...dc4 14.dc4 Nef5 (14...Re8 15.Qc2+= Bf5+=) 15.Bd3 Nh4=) 14.Ne5 (14.c5 Ndf5+= (14...Ne8 15.Rb1 b5+=) 15.e4 Nh6+=) 14...Be2= 15.Qe2 dc4 (15...f6=) 16.dc4 Ng6 17.Ng6 hg6 (17...fg6 18.c5 Nf7 19.f4=) 18.Rad1 Qe7 19.Qg4 Rfd8 20.c5 (20.Nd2 Qd7 21.Qd7 Rd7+=) 20...Ne4= 21.Bd4 Rd5 22.f4 (22.Rd3 b6 23.cb6 ab6=+) 22...Rad8 23.Rc1 Nf6 (23...Qd7 24.Qf3 f5 25.Rc4=+) 24.Qf3= Qe4 25.Rc4 Qd3 (25...R8d7 26.Rb4 Bd8 27.Nd2=) 26.Rb4+= Qa6 27.e4 R5d7 28.Rb1 b5 29.a4 ba4 30.Ra1 a3 31.g3 (31.f5 g5=) 31...a2 32.Qc3 (better 32.h3!?=) 32...Ne4-/+ 33.Qc2 (better 33.Qb2-/+) 33...Nf6?? (better 33...Qa3 34.Rb7 Rd4 35.Ra2 Qb3 36.Rb3 Rd1 37.Kg2 R8d2 38.Qd2 Rd2 (worse 38...Nd2 39.Rd3+-) 39.Rd2 Nd2-/+) 34.Ra2+= Qc8 35.Ra7 Nd5 36.Rba4 Bb8 37.Rd7 (37.Ra8 Nc7 38.R8a5 Ne6=) 37...Qd7= 38.Bf2 (38.Ra1 Re8 39.Qd1 Bf4 40.gf4 Nf4-+) 38...Qg4 (better 38...Bf4 39.Re4 Bg5-/+) 39.Qc1?? (39.Rd4!?=) 39...Bf4?? (39...Nf4 40.Rf4 Bf4 41.Qf4 Qd1 42.Kg2 Qb3 43.Qe4-+) 40.Rf4? (40.Qe1 Qg5 41.h4=) 40...Nf4-+ 41.Qf4 Qd1 42.Kg2 Qb3 43.Qc7 (43.Qf3 Qe6 44.Qe3-+) 43...Qd5 44.Kh3 (44.Kg1 Ra8 45.Qe7 Ra1 46.Be1 Qd2-+) 44...Qd7 (44...Qf5 45.Kg2 Qe4 46.Kh3 Rd5 47.Qc8 Kh7-+) 45.Qd7 Rd7 46.Kg4 Rd2 47.Kf3 f6 48.h4 Kf7 49.Be3 Ra2 50.Bf4 Ke6 51.Bd6 Ra3 52.Ke4 Ra4 53.Kf3 Rd4 54.Bc7 Rd5 55.Bb6 (55.Bd6 Rd6 56.cd6 Kd6-+) 55...Ke5 (55...g5 56.hg5 Rf5 57.Ke3 Rg5 58.Kf4-+) 56.Bc7 (56.Ke3 Kf5 57.Kf3 Rd3 58.Kg2 Kg4-+) 56...Kd4 57.Bd6 Rc5 58.Bf8 Rf5 59.Kg4 (59.Kg2 g5 60.Bg7 g4-+) 59...c5 60.Bg7 Ke5 0–1. Lopatin,Olga (2115) – Makropoulou,Marina (2240), 5th ch–EURw, Dresden GER, 2004.

9.0-0 Ne7 10.d3 Nd6 11.Nbd2 Bf5 12.Nb3 Bb6 13.Qd2 a5 14.a4 h6 15.Qc3 f6 16.Nfd4 1–0. phildo (1865) – syphoner (1855), gameknot.com, 2013.

9.0-0 Re8 A) 10.d3 Nd6 (10...Nc5 11.d4 Na4 12.Ra2 Qf6 13.c4 Nb2 14.Rb2 dc4 15.Bc4 Rb8=) 11.Nbd2 Nb5 12.Nb3 Nc3 13.Qe1 Ne2 14.Qe2 Bb6 15.a4 a5=; B) 10.Qc1 Ng5 (10...Bg4 11.d3 Ng5 12.Qd1 Bf3 13.Bf3 Qd6 14.Bg4 d4 15.ed4 Nd4=; 10...Be6 11.d3 Ng5 12.Nbd2 Nf3 13.Nf3 Qd6 14.Rb1 Rab8 15.Ba1 b5=; 10...Qe7 11.d3 Ng5 12.Qd1 Bb6 13.Nc3 Be6 14.Ng5 Qg5 15.Na4 Ne7=; 10...Qd6 11.d3 Nc5 12.Bc3 Bg4 13.Ba5 Na5 14.Nbd2 Qf6 15.h3 Bf3=) 11.Nc3 d4 12.Nb5 Nf3 13.Bf3 Ne5 14.Be2 de3 15.de3 Bg4=; C) 10.Kh1= Bf5 (10...Ng5 11.Nc3 Be6 12.Na4 Nf3 13.Bf3 Qd6 14.d4 Bf5 15.Nc5 Rab8=; 10...Be6 11.d3 Nc5 12.Bc3 a6 13.Ba5 Na5 14.Nc3 b5 15.d4 Ne4=; 10...Nd6 11.d3 Qe7 12.Kg1 Nb5 13.c4 dc4 14.dc4 Nd6 15.Nc3 Bc3=; 10...Qd6 11.d3 Nc5 12.Nc3 Bd7 13.Nb5 Qe7 14.Bc3 Ne6 15.Ba5 Na5=) 11.Kg1 Nc5 12.Bb5 Qd6 13.d3 Bg4 14.Ra2 a6 15.Bc6 bc6=+; D) 10.h3 Bf5 (10...Qd6 11.d3 Nc5 12.Bc3 Bc3 13.Nc3 a6 14.d4 Ne4 15.Ne4 de4=; 10...Nd6 11.d3 Nf5 12.c4 Be6 13.Nbd2 Bb6 14.d4 dc4 15.Qc2 Na5=; 10...Be6 11.d3 Nc5 12.Bc3 a6 13.Ba5 Na5 14.Nc3 b5 15.d4 Ne4=+; 10...Nc5 11.Nc3 Bc3 12.Bc3 Na4 13.Rb1 Nc3 14.dc3 Na5 15.Qd2 c6=+) 11.d3 Nc5 12.Nbd2 Na4 13.Qc1 Bc3 14.Bc3 Nc3 15.Qe1 Qf6=+; E) 10.a4 Qd6 (10...Bd7 11.d3 Nc5 12.Nbd2 Qe7 13.Nb3 Nb3 14.cb3 Nb4 15.Rc1 c5=; 10...Be6 11.d3 Ng5 12.Nbd2 Bb4 13.c3 Bd6 14.Ba3 Nf3 15.Nf3 Ba3=; 10...Qe7 11.d3 Nc5 12.Nbd2 Bd7 13.Nb3 Nb3 14.cb3 Nb4 15.Rc1 c5=; 10...Bg4 11.d3 Nc5 12.Nbd2 Qd6 13.Ba3 Bb4 14.Bb4 Nb4 15.d4 Ne4=) 11.d3 Nc5 12.Nbd2 Qg6 13.Nh4 Qe6 14.Nhf3 Bd7 15.Nb3 Nb3=.

9.h3 A) 9...Be6 10.0-0 Re8 (10...Qe7 11.d3 Nc5 12.Bc3 Rfe8 13.Ba5 Na5 14.Nc3 a6 15.d4 Nd7=; 10...Nc5 11.Nd4 Qd6 12.Ne6 fe6 13.d4 Na4 14.Ra2 Nb6 15.Nd2 Bd2=; 10...Qd6 11.d3 Nc5 12.Nc3 Rfe8 13.Nb5 Qe7 14.Rb1 Na4 15.Ba1 Rab8=; 10...Ng5 11.Bb5 Re8 12.Bc3 Bb6 13.d3 a6 14.Bc6 bc6 15.Nbd2 Rb8=) 11.d3 Nc5 12.Bc3 a6 13.Ba5 Na5 14.Nc3 b5 15.d4 Ne4=+; B) 9...Ng5 B1) 10.0-0 Nf3 (10...Re8 11.Nc3 Ne4 12.Na4 Qd6 13.d3 Nf6 14.Rb1 a6 15.c4 dc4=; 10...Be6 11.Bb5 Re8 12.Bc3 Bb6 13.d3 a6 14.Bc6 bc6 15.Nbd2 Rb8=; 10...a6 11.Nc3 Re8 12.Rb1 Bc3 13.Bc3 Nf3 14.Bf3 b5 15.d3 Qd6=; 10...Bf5 11.Nc3 a6 12.d3 d4 13.ed4 Nd4 14.Nd4 Qd4 15.Bg4 Bg4=) 11.Bf3 Qg5 12.h4 Qh4 13.Bd5 Ne7 14.Qf3 Nd5 15.Qd5 Bb6=+; B2) 10.Nc3 d4 (10...Re8 11.0-0 Ne4 12.Na4 Qe7 13.Rb1 Bd7 14.d3 Ng5 15.Ng5 Qg5=; 10...Be6 11.Na4 Nf3 12.Bf3 Qd6 13.0-0 Rfe8 14.d4 b5 15.Nc5 Ne5=; 10...Nf3 11.Bf3 d4 12.Ne2 de3 13.fe3 Qh4 14.g3 Qg5 15.Kf2 Ne5=+; 10...a6 11.Ng5 Qg5 12.Bf3 Be6 13.h4 Qf5 14.h5 d4 15.Ne2 de3=+) 11.Nd4 Nd4 12.ed4 Qd4 13.0-0 Rd8 14.Bd3 Qh4 15.Ne2 Nh3-/+; B3) 10.Bd3 Re8 (10...Be6 11.0-0 Ne4 12.Be2 Re8 13.d3 Nc5 14.Bc3 a6 15.Ba5 Na5=; 10...a6 11.0-0 Re8 12.Ng5 Qg5 13.f4 Qh4 14.Qf3 Ne7 15.f5 f6=; 10...Nf3 11.Qf3 Qg5 12.h4 Qd8 13.Qh5 f5 14.g4 Qd6 15.gf5 Ne5+=; 10...Qe7 11.0-0 Ne4 12.Bb5 Bd7 13.d3 Nd6 14.Bc6 Bc6 15.Nd4 Bd7=) 11.0-0 a6 12.Ng5 Qg5 13.f4 Qh4 14.Qf3 Ne7 15.Bd4 b6=+; C) 9...Re8 C1) 10.Qc1 Ng5 (10...Bb6 11.0-0 Bf5 12.Re1 Ba5 13.Rd1 Ng5 14.d3 Ne6 15.Nbd2 Bb6=; 10...Bf5 11.0-0 Ng5 12.Qd1 Nf3 13.Bf3 Qd7 14.Bc3 Rad8 15.Ra2 Bb6=+; 10...Qd6 11.0-0 Qg6 12.Nh4 Qh6 13.Nf3 Bb6 14.Qd1 Qg6 15.Kh1 Be6=+; 10...Qe7 11.0-0 Bb6 12.Nc3 Be6 13.Bb5 Nd6 14.Bc6 bc6 15.Ne2 Nc4=+) 11.Qd1 Nf3 12.Bf3 Ne5 13.0-0 Qd6 14.Bc3 Bc3 15.Nc3 c6=+; C2) 10.0-0 Bf5 (10...Nd6 11.d3 Nf5 12.c3 Be6 13.Nbd2 Qf6 14.Rb1 Rad8 15.Qc2 Qg6=; 10...Be6 11.d3 Nc5 12.Bc3 a6 13.Ba5 Na5 14.Nc3 b5 15.d4 Ne4=+; 10...Nc5 11.Nc3 Bc3 12.Bc3 Na4 13.Rb1 Nc3 14.dc3 Na5 15.Qd4 Re4=+; 10...Qe7 11.d3 Nc5 12.Bc3 Be6 13.Ba5 Na5 14.Nc3 a6 15.d4 Nd7=) 11.d3 Nc5 12.Nbd2 Na4 13.Qc1 Bc3 14.Bc3 Nc3 15.Qe1 Qf6=+.

6.e3 Re8

7.Bb2 d5 8.c4 c5 9.cd5 Nd5 10.Qc2 Nc6 11.Qc5 Bg4 12.Bc4 Nf4 13.Qg5 Qg5 14.Ng5 Ne5 (better is 14...Nd8 15.0-0 Be2+=) 15.Be5+- (15.ef4?? Nd3 16.Kf1 Re1) 15...Re5 16.Nf7 Rc5 17.Nh6?? (better is 17.Ne5! Be6 18.Be6 Ne6 19.Nd3+-) 17...Kf8= 18.Ng4 (18.ef4? Re8 19.Kf1 Rc4-+) 18...Rc4 19.Kd1 Rac8 20.Nc3 (20.ef4? Rc1 21.Ke2 Rh1-+) 20...Bc3 21.dc3 Rd8 (21...Ng2!? 22.Ne5 Rc3=) 22.Kc2+= Nd5 23.Ne5 Rc3 24.Kb2 Rc5 25.Rad1 Rd6 26.Rd3 Rb6 27.Rb3 Nf6? (better is 27...Rb3!? 28.Kb3 Ke7+/–) 28.Rb6+- ab6 29.Nd3 Rd5 30.Kc2 Ne4 31.Rb1 Rd6 32.Rb4 Nc5 (32...Rc6 33.Kb2 Nc3 34.Kb3+-) 33.Nc5 bc5 34.Rb7 1–0. forsetinn (2090) – altpatzer (1840), gameknot.com, 2013.

7.Bb5 a6 8.Ba4 b5 (8...Nc6 9.Bb2 (9.Bf4 b5 10.Bb3 Ne4 11.0-0 Qf6 12.Ra2 Bb7 13.d3 Nc5 14.Bd5=+) 9...b5 10.Bb3 d6 11.Ng5 d5 12.Bf6 Qf6 13.Bd5 Rd8 14.Bc6=) 9.Bb3 c5 10.0-0 Bb7 (10...c4 11.Ba2 Nc6 12.Bb2 d5 13.d3 Qe7 14.a4=+) 11.c4 (11.d3 d5 12.c3 Nbd7 13.Bf4 h6 14.a4=+) 11...bc4 (11...Nc6 12.Bf4 Bc7 13.Bc7 Qc7 14.Nc3=+) 12.Bc4 d5 13.Qb3 Ra7 14.Be2 Nc6 15.Bb2 d4 16.Bc4 Ne5 (better 16...Qd7!?=) 17.Ne5+= Re5 18.Bf7 Kh8 19.Bc4 Bc7 20.ed4 (20.Re1 Rg5 21.g3 Qe8+=) 20...Rh5 (20...cd4 21.Qd3 Rh5 22.h3-/+) 21.f4 cd4 22.Be2 (22.Qa4 d3 23.Bf6 gf6-/+) 22...Rh4 23.g3 d3 24.Bf3 (24.gh4?? Bb6 25.Rf2 de2-+ (25...Bf2?! 26.Kf2 Ne4 27.Ke3 de2 28.Ke2=+)) 24...Ng4 25.Bg4? (25.Bb7 Rh2 26.Bg7 Kg7 27.Qc3 Be5 28.Qe5 Ne5 29.Kh2 Ng4 30.Kh3 Rb7 31.Nc3-+) 25...Bb6-+ (25...Rg4?! 26.Re1 Bb6 27.Kf1=+) 26.Rf2 Rg4 27.Kf1 Bh1 0–1. Rosner,Dirk – Mothes,Rainer, corr SOK–95–110, 1995.

7.Bb5 a6 8.Bd3 A) 8...d5 9.0-0 (9.Bb2 Ne4 10.0-0 c5 11.Be2 Qb6 12.Qc1 Bg4 13.Nd4 Be2 14.Ne2=+; 9.Bf4 Ne4 10.0-0 Qf6 11.c3 Bg4 12.h3 Bh5 13.Be2 b5 14.Qb3=+; 9.Be2 Bg4 10.Bb2 c5 11.0-0 Nc6 12.d4 c4 13.Ne5 Be2 14.Qe2-/+; 9.c3 Nbd7 10.Bg3 Nc5 11.Bc2 Nce4 12.Bf4 c5 13.0-0 Nh5 14.Be4-/+) 9...Nbd7 10.Bf4 Ne4 11.Be2 Qf6 12.c3 c5 13.Qa4 b6 14.Ra2=+; B) 8...Nc6 9.Bc3 (9.Bf4 d6 10.0-0 Ne5 11.Be2 Ng6 12.Bg3 Ne4 13.c3 Bb6 14.a4=+; 9.Bb2 d6 10.0-0 Qe7 11.Nc3 b5 12.Re1 Ne5 13.Ne5 de5 14.Ne4=+) 9...d6 10.0-0 Bc3 11.Nc3 b5 12.Rb1 Be6 13.Ng5 Bg4 14.f3=; C) 8...b5 9.c3 (9.Bb2 d5 10.a4 b4 11.Be2 c5 12.0-0 Nc6 13.c4 d4 14.ed4-/+; 9.a4 Nc6 10.Bb2 b4 11.0-0 Bb7 12.Bc4 Qe7 13.Re1 Bb6 14.d4=+; 9.0-0 d6 10.Bb2 Nbd7 11.a4 b4 12.Bf5 c5 13.Qe2 Rb8 14.Ng5=+; 9.Bc3 c5 10.0-0 d5 11.Ba5 Qa5 12.Be2 Nc6 13.d4 c4 14.Nbd2=+) 9...d5 10.a4 Nfd7 11.Bf4 Nc5 12.Qc2 Nd3 13.Qd3 c5 14.ab5=; D) 8...d6 9.Bb2 Nbd7 10.0-0 Nc5 11.Be2 Na4 12.Bc1 Ne4 13.c4 Bd7 14.d3=+.

7.Bb5 a6 8.Be2 A) 8...d6 9.Bc3 (9.Bb2 Nc6 10.0-0 Be6 11.Re1 Ne4 12.Rf1 Nc5 13.c4 d5 14.d4=) 9...Bc3 10.Nc3 Nc6 11.0-0 Bf5 12.d4 Rb8 13.Bd3 Bg4 14.h3=; B) 8...d5 9.0-0 (9.Bb2 c5 10.0-0 Nc6 11.Re1 Ne4 12.Rf1 b5 13.a4 ba4 14.c4=+; 9.Bf4 Nh5 10.Be5 Bg4 11.Bb2 Nf6 12.0-0 c5 13.d4 c4 14.Ne5=+) 9...Bg4 10.Bf4 Nbd7 11.h3 Bf5 12.Nd4 Bg6 13.Nb3 Bb6 14.d4=; C) 8...Qe7 9.0-0 (9.Bc3 Bc3 10.Nc3 d6 11.0-0 b5 12.d4 c5 13.dc5 dc5 14.Nd5=; 9.Bb2 d5 10.0-0 c5 11.Bc3 Bc3 12.Nc3 b5 13.d4 c4 14.Ne5=+; 9.Bf4 d6 10.0-0 Nc6 11.d4 Ne4 12.c4 g5 13.Bg3 Ng3 14.hg3=+; 9.c3 d6 10.Bf4 Nc6 11.0-0 Be6 12.Ng5 Bf5 13.Qb3 Rab8 14.Bc4=+) 9...d6 10.Bb2 Nc6 11.c4 Bf5 12.Nc3 Rab8 13.d3 Be6 14.Qc2=; D) 8...Nc6 9.Bb2 d6=+ 10.0-0 Qe7 11.d4 Bf5 12.d5 Ne5 13.Nd4 Bd7 14.Nb3=.

7.Bb5 c6 A) 8.Bd3 A1) 8...d6 9.Bb2 (9.Bd4 c5 10.Bb2 d5 11.0-0 Nc6 12.Bb5 a6 13.Bc6 bc6 14.Bc3=+; 9.Bc3 Nbd7 10.0-0 Ne5 11.Ne5 de5 12.Qf3 Bg4 13.Qg3 e4 14.Ba5=+) 9...Nbd7 10.0-0 Ne5 11.Be2 Qb6 12.Bc3 Ne4 13.Ba5 Qa5 14.d4=+; A2) 8...d5 9.0-0 (9.Bb2 Nbd7 10.0-0 Nc5 11.Be2 Bg4 12.h3 Bf3 13.Bf3 Na4 14.Bd4=+; 9.Bf4 Ne4 10.0-0 Qf6 11.c3 Nd7 12.Be2 Ndc5 13.Ra2 b5 14.Nd4=+; 9.Bd4 Ne4 10.0-0 c5 11.Bb2 Nc6 12.Be2 Qb6 13.Ra2 Be6 14.Ba1=+) 9...Ne4 10.Be2 Bg4 11.d4 Nd7 12.Bf4 g5 13.Bg3 Ng3 14.hg3=+; B) 8.Be2 B1) 8...d5 9.0-0 (9.Bb2 c5 10.0-0 Nc6 11.c4 d4 12.Qc2 Qe7 13.Re1 de3 14.fe3=+) 9...Bg4 10.d4 Nbd7 11.Bf4 Ne4 12.h3 Bf3 13.Bf3 Nb6 14.Be2=; B2) 8...Ne4 9.0-0 d6 10.Bb2 Qb6 11.Qc1 Bg4 12.d3 Ng5 13.Nd4 Be2 14.Ne2=; B3) 8...Qe7 9.0-0 d6 10.Bb2 a6 11.Nd4 b5 12.a4 b4 13.c4 Bc7 14.f4=; B4) 8...d6 9.Bd4 (9.Bb2 Nbd7 10.0-0 Ne5 11.Ne5 de5 12.f4 e4 13.Bd4 Bf5 14.Nc3=+) 9...Be6 10.0-0 Nbd7 11.Ng5 Bf5 12.Nf3 c5 13.Bb2 Qb6 14.Bc3=+.

7.Bc3 Bb6 8.Qc1 Ne4 9.Bd3 d5 10.Bb5 c6 (10...Nc3?! 11.Be8 Nb1 12.Bb5 Na3 13.Qa3+=) 11.Be2 Nd7 12.0-0 Nc3 13.Nc3 Nf6 14.Qb2 Bc7 15.h3 Ne4 16.d3 (16.d4 Ng5=+) 16...Ng5-/+ 17.Ng5 Qg5 18.Bf3 (18.f4 Qf6 19.Nd1 Qb2 20.Nb2 Re3-+) 18...Qe5 (18...Rb8 19.Rab1-+) 19.Rfe1 Qh2 20.Kf1 d4 (20...Be5 21.Rab1-/+) 21.Ne4 de3 22.Re3 (better 22.fe3 Rb8 23.Ke2=+) 22...f5?? (better 22...Be6-/+) 23.Nf6!+- gf6 24.Re8 Kf7 (24...Kg7 25.Qa2 Be6 26.Re7 Kh6 27.Qe6 Qe5+-) 25.Bh5 Kg7 26.Re7 Kh6 (26...Kg8 27.Qf6 Qg1 28.Kg1 Bh2 29.Kh2 Be6 30.Qg7) 27.Qf6 Kh5 28.Rh7 1-0. Beholder11 (2100) - GrebnowVova (2130), Rated Classical tournament, lichess.org, 2016.

7.Bc3 Bb6 8.Be2 d5 9.0-0 c5 10.d4 c4 11.Nbd2 Nc6 12.Ne5 Bc7 13.f4 Nd7 14.Bf3 Nf8 (better is 14...Nde5!? 15.de5 Be6=) 15.e4+/– Ne5 (15...de4 16.Ne4 Bb6 17.Kh1 Nd4 18.Nc4+=) 16.fe5+- (16.de5?! d4 17.Bb4 Ng6+=) 16...de4 (16...Be6 17.Rb1+-) 17.Be4 (17.Ne4 Ng6+-) 17...Bb6? (better is 17...Be6+/–) 18.Nc4+- Qc7 (18...Ne6 19.Nb6 ab6+-) 19.Qf3 (19.Qd3 Ng6 20.Kh1 Rd8+-) 19...Be6? (better is 19...Bd4 20.Bd4 Qc4+/–) 20.Nb6 ab6 21.Bb4 Qd7 (21...Ng6 22.Bb7 Rad8 23.Bc6+-) 22.c3 (22.Bd6 Rac8+-) 22...Bc4 23.Rf2 Ne6 24.h4 Nd8 25.Re1 Nc6 26.Bd6 Nd8 (26...f6 27.ef6 Qd6 28.f7 Bf7 29.Qf7 Kh8 30.Qb7+-) 27.Re3 (better is 27.d5 b5 28.Qh5+-) 27...Be6 (27...g6 28.Qg3+-) 28.Qh5 h6 (28...g6 29.Qh6 Qa4+-) 29.Rg3 Kh8 30.Rf6! Bg4 (30...gf6 31.Qh6) 31.Rg4 (31.Rh6 gh6 32.Qh6 Kg8 33.Qh7) 31...Qg4 (31...Qe6 32.Rg7 Qf6 33.ef6 Re4 34.Qh6) 32.Rh6! 1–0. Macedo,A Soares De (1825) – Brasil,Alberto Silveira (2045), Aberto do Brasil – VIII Memorial Bobby, 2017.

7.Bc3 Bb6 8.Be2 d5 9.0-0 c5 10.d4 c4 11.Nbd2 Nc6 12.Ne5 Bc7 13.f4 Nd7 14.Bh5 g6 (worse is 14...Be5 15.fe5 (worse is 15.de5 Nc5=) 15...g6 16.Bf3+/–; worse is 14...Nde5 15.fe5 Be6 16.Qf3+=) 15.Bg4 f5 16.Be2 Nf6 17.Qe1 Ne4 18.Ne4 fe4 19.Nc6 bc6 20.Rb1 Be6 21.Qd2 Qd7 22.Bb4 Bd6 23.Rb2 Rab8 24.Rfb1 h6 25.Qe1 g5 26.fg5 hg5 27.Bd6 ½–½. Issacson,Leon – Isaacson,David (2080), ZH–2009–0-00282, 2009.

7.c4 c5 8.Be2 d5 9.cd5 Nd5 10.0-0 Nc6 11.Bb2 Bf5 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qa5 (14...Qf6 15.Qb3=+) 15.Qc1 Ne5 16.Rd1 Nf3 17.Bf3 Rab8 18.c4 b6 19.Bd5 Be6 (19...Rbd8 20.Ra2=) 20.e4 (20.Ra2 a6=) 20...Bd5 21.ed5 Re2 22.Qf4 (22.Kf1 Re4 23.Qc2 Rbe8=) 22...Rf8 (better 22...Rbe8!? 23.h3 Qa4=+) 23.d6+= Rd8 24.d7 h6?? (better 24...Qc3+=) 25.Qc7+- Rd7 (25...Ree8 26.de8R Re8 27.Rd8 Rd8 28.Qd8 Kh7 29.Qd5+-) 26.Qd7 (26.Qc8 Kh7 27.Qd7 Re6 28.Qf7 Rf6+-) 26...Qc3 (26...g6 27.Kf1 Re5 28.Rd3+-) 27.Qd8 (better 27.Qc8 Kh7 28.Qf5 g6 29.Qf7 Qg7+-) 27...Kh7 28.Qd3 Qd3 29.Rd3 Rc2 30.Rd7 Kg6 (30...a6 31.Ra7 a5 32.Rf7 Rc4 33.Rb7+-) 31.Ra7 Rc4 32.Rb7 Kf5 (32...Ra4 33.Rb6 f6 34.Rb5+-) 33.Rb6 g5 (33...Ra4 34.Rb5+-) 34.Rb3 (34.a4!? Rd4 35.a5 Rd7+-) 34...Ra4 (34...Ke5 35.a4 Rd4 36.a5+-) 35.g3 (better 35.Rb5!? h5+-) 35...Ke4 (35...c4 36.Re3+-) 36.Rc1 Kd4 Black plans c4 37.Rbc3 c4 38.f3 (38.Rf3!? Ra7+-) 38...f5 39.Kf2 h5 (39...Kd5 40.Rd1 Kc5 41.Rd8+-) 40.Ke2 f4 (40...h4 41.Re3+-) 41.gf4 gf4 42.h4 Kc5 (42...Kd5 43.Rd1 Kc5 44.Rd7+-) 43.Rc4! Rc4 44.Rc4 Kc4 45.a4 Kb4 46.Kd3 Ka4 47.Ke4 Kb5 48.Kf4 Kc6 49.Kg5 Kd6 50.Kh5 Ke7 51.Kg6 Kf8 52.h5 Kg8 53.h6 Kh8 54.f4 Kg8 55.f5 Kh8 (55...Kf8 56.h7 Ke8 57.h8Q Ke7 58.Qd4 Ke8 59.f6 Kf8 60.Qd8) 56.f6+- Kg8 57.f7 Kf8 58.h7 (58.h7 Ke7 59.h8Q Kd6 60.f8Q Kd5 61.Qc3 Ke6 62.Qff6 Kd5 63.Qcc6) 1-0. zembelek1 (2155) - PILONIDALSINUS (2380), Rated Blitz tournament, lichess.org, 2016.

7.c4 d5=+ 8.Bc3 Bc3 9.dc3 c5 (9...Be6 10.cd5 Bd5 11.Be2=+) 10.cd5= Qd5 (10...Nd5 11.Bb5 Re6 12.c4=) 11.Qd5 Nd5 12.c4 Nf6 (12...Nb6 13.Bd3=) 13.Nc3+= Bf5 14.Nb5 Re7 15.Rd1 Nc6 16.Bd3 Bg4 17.h3 (17.Be2 Ne4=) 17...Be6 (17...Bf3 18.gf3 Rd8 19.Bf5 Rd1 20.Kd1=+) 18.Ng5 Bd7 (18...Rd7!? 19.Ne6 fe6=) 19.Nd6 (better 19.Nc7!? Rd8 20.Nd5+-) 19...Na5 20.0-0 (20.Ke2 Ba4 21.Rd2 Nb3+=) 20...Bc6 (20...Rd8 21.Bc2=) 21.Rfe1 (21.Be2 Rd7=) 21...Ba4 22.Rd2 g6 (22...Rd8 23.Bf5=) 23.e4+= Rd8 24.e5 (better 24.Ngf7!? Rf7 25.Nf7 Kf7 26.e5+=) 24...Rd6=+ 25.ed6?? A pinning theme (25.Ne4 Nc4 26.ed6 Re4 27.Be4 Nd2 28.Bb7-+) 25...Re1-+ 26.Kh2 Rd1 (better 26...Nd7!? 27.Be2-+) 27.Rd1 Bd1 28.Ne4 Ne4 29.d7 Nc6 30.Be4 Nd8 (30...Nd8 31.Bd5 Ba4-+) 0-1. Sig Vargas,Pablo - Gomez Anadon,Daniel (2310), Ardid mem op, 2004.

7.Be2 Nc6 8.Bb2 d5 9.0-0 Bg4 10.d3 (10.h3) 10...Qd6 11.Nbd2 Ne7 12.Nb3 Bb6 13.h3 Bh5 14.Be5 Qe6 15.Bf4 Ng6 16.Bh2 c6 (better is 16...Bf3 17.Bf3 Nh4) 17.g4 Bg4 18.hg4 Ng4 (better is 18...Qg4 19.Kh1 Qd7) 19.Nfd4 Ne3 20.Qb1 Qf6? 21.fe3 Qg5 22.Kh1 Qe3 23.Qb2 Nh4 24.Rf4 g5 25.Rh4 gh4 26.Rg1 Kf8 27.Nf5 Qe2 28.Qg7 1–0. Wall,Bill – Buratino, playchess.com, 2012.

7.Be2 Nc6 8.Bb2 Qe7 =.

7.Be2 d5 8.0-0 c5 9.d3 (9.d4 Nc6=+) 9...Nc6=+ 10.Bg3 (10.d4 Bg4=+) 10...Bf5 (10...d4 11.e4=+) 11.Nbd2 (11.c3 Bc7=+) 11...Bc7 (11...Bc3 12.Rb1 Qe7 13.Re1=+) 12.Bh4 (12.Bc7 Qc7 13.c3 Rab8=+) 12...Qe7 (12...Rb8 13.Rb1=+) 13.Qb1 (13.Re1 Qe6=+) 13...b6 (13...Rab8 14.Re1=+) 14.Qb2 (14.Re1 Qe6=+) 14...Ne5 15.Rfe1 Rad8 (15...Qe6 16.Rab1=+) 16.e4 (16.Rab1 Bd6=+) 16...de4 17.de4 Bg4 18.Rad1 h6 19.Nc4 (19.Bb5 Bf3 20.Nf3 Nf3 21.gf3 Rd1 22.Rd1 Rd8 23.Rd8 Qd8=) 19...Bf3 (19...Nc4!? 20.Bc4 Rd1 21.Rd1 Qe4-+) 20.gf3=+ Qe6 21.Ne5 Be5 22.Qb3 Rd1 23.Rd1 Qh3 24.Bg3 Qh5 25.Qe3 Bd4 26.Qd2 Qg6 27.c3 Be5 28.Qe3 Nh5 29.Bb5 Re7 30.Kh1 Qf6 31.Rd8 Kh7 32.Rd5 g6 (32...Ng3 33.fg3 Bc3=+) 33.Bd3? (better 33.Be5 Re5 34.Rd7=+) 33...Bf4 (33...Bc3? 34.Rh5 Qg7 35.Rd5+-) 34.Qe2 Qc3 35.Rh5 Bg3 36.hg3 gh5 37.e5 Kg7 38.Qe4 (38.f4 h4 39.Qg4 Kf8-+) 38...Qe5 (38...Re5!? 39.Qh7 Kf8 40.Qh8 Ke7 41.Kg2-+) 39.Qh7 Kf8 40.Qh6 Qg7 41.Qh5 Re5 42.Qh4 Rd5 43.Be4 Rd4 44.Qf4 Ke7 45.Kg2 Qf6 46.Qc7 Rd7 47.Qc8 Qd6 48.Bc6 Rd8 49.Qb7 Kf8 50.Bb5 Qe7 51.Qc6 Rd6 52.Qc8 Kg7 53.Qg4 Rg6 54.Qf4 Qd6 55.Qa4 a5 56.Qc2 Qe5 57.Qc4 Qd4 58.Qe2 Re6 59.Qc2 Re5 60.Bc4 Rh5 61.a4 Qd7 62.g4 Rh6 63.Qc3 Qd4 64.Qc2 Qe5 65.Qb3 Qh2 66.Kf1 Qf4 67.Kg2 Rh2 68.Kg1 Qh6 69.Qc3 Kf8 70.Kf1 Rh1 71.Ke2 Qd6 (better 71...Rc1 72.Qd3 Qf6-+) 72.Bb3 Qd4 73.Qd4 cd4 74.Kd3 Rb1 75.Bd5 Rb4 76.Bc6 Ke7 77.g5 Kd6 78.Be8 Rb3 79.Ke4 Ke7 80.Bc6 d3 81.Ke3 Kd6 82.Be4 (82.Bb5 d2! 83.Kd2 Rf3-+) 82...Ra3 (better 82...b5!? 83.ab5 a4 84.g6 fg6 85.Bg6-+) 83.f4 Ra4 84.Bd3 Kd5 (84...Rb4!? 85.f5 a4 86.g6-+) 85.f5 Rg4 86.g6 fg6 87.fg6 a4 88.f3 Rg1 89.Kf2 Rg5 90.f4 Rg4 91.Kf3 Rg1 92.Kf2 a3 93.Bb1 (93.Kg1?? a2 94.Kf2 a1Q-+) 93...Rg4 (93...Rb1? 94.g7 Rb2 95.Kf3 Rb3 96.Kg4+-) 94.Kf3 Rg1 95.Kf2 Rg4 (95...Rb1? 96.g7 Rb2 97.Kf3+-) ½–½. Shao Shuai – Villwock,Martin (2250), FSIMA August, Budapest HUN, 2009.

7.Be2 d5 8.0-0 Nc6 9.Bb2 +=.

7.Be2 d5 8.0-0 Nbd7 9.Bb2 c6 10.c4 Bc7 11.Nc3 Ne5 (11...dc4 12.Bc4 Nb6 13.Be2=) 12.cd5 Nd5 13.Nd5 Qd5 14.Qc2 g6 (14...Nf3 15.Bf3 Qg5 16.Rac1=) 15.Ne5 (15.Nd4 c5 16.Rac1 cd4 17.Qc7 b6+/–) 15...Be5+= 16.Be5 Qe5 17.f4 Qd6 18.Qc3 Bd7 19.Bf3 Rad8 20.Rad1 Bf5 21.Be2 b5 ½–½. zrenjanin (1975) – teshub (1800), gameknot.com, 2010.

6.g3 Nc6=+

7.Bb2 Bb6 8.Bg2 =+.

7.Bb2 d5 8.Bg2 Re8 9.0-0 Qe7 10.e3 (10.Nc3 d4 11.Nb5 Qe2 12.Qe2 Re2 13.Nfd4 Nd4 14.Nd4 Re7+/–) 10...h6 (10...Bg4 11.h3 Bf5 12.Nc3=+) 11.d3 (11.Nc3 Be6=) 11...Bg4=+ 12.Nbd2 (12.h3 Be6=) 12...Rad8 13.Nb3 Bb6 14.a4 (14.h3 Be6=) 14...a5=+ 15.h3 Bh5 16.Qd2= Nd7 17.Nbd4 Nde5 18.Nc6 Nc6 19.Rfe1 f6 20.Nh4 Qd7 21.g4 Bf7 22.Nf5 h5 23.e4 hg4=+ 24.hg4 Ne5 25.Qf4 Be6 26.Be5 fe5 27.Qe5 Bf5 28.Qf5 Rf8 29.Qd7 Bf2 30.Kh1 Rd7=+ 31.Re2 Rd6 32.Bh3 de4=+ 33.Re4 Rh6 34.Kg2= Bb6 35.g5 Rh5 36.Be6 Kh7 37.Rg4 Rf2-/+ 38.Kg3 Kg6 39.Rf1?? Rhh2 40.Bd5 Bc5?? 41.Be4?? Kh5= 42.Bb7?? Bd6 (42...Bd6 43.Rf4 Bf4) 0–1. Martin Manzano,Antonio – Roiz Baztan,David (2370), Asturias–ch, 2001.

7.Bb2 Re8 8.Bg2 d5 9.0-0 Bg4 10.Re1 d4 (10...Ne4 11.Rf1=+) 11.a4 Qd6 12.Na3 Qc5 13.Rf1 a6 14.d3 Nd5 15.Nc4 Nc3 16.Bc3 Bc3 17.Rb1 b5 18.ab5 ab5 19.Ncd2 f5 20.Nb3 Qd6 21.Ng5?? Be2-+ 22.Qc1 Bf1 (22...Bf1 23.Qf1 Ra2-+) 0–1. hsingletary (2120) – refen (2085), net–chess.com, 2008.

7.Bb2 Re8 8.Bg2 d5 9.0-0 Bg4 10.e3 Bb6 11.Nc3 (11.d4 Qd7=+) 11...Ne5-/+ 12.h3 (12.Na4 Nc4-/+) 12...Nf3 13.Bf3 Bh3 14.Re1 c6 15.Ne2 Qd6 16.Nf4 Bd7 17.Kg2 Rad8 18.Nh3 (18.Rb1 Re7-/+) 18...Bc7 (18...d4 19.Nf4-+) 19.d3 (19.Nf4 Ne4-/+) 19...h6 (better 19...c5-+) 20.e4?? (better 20.Nf4-/+) 20...de4-+ 21.Be4 (21.Be2 e3 22.f4 Nd5-+) 21...Ne4 (better 21...Bh3 22.Kh3 Re4 23.Bf6 Re1 (23...Qf6?! 24.Re4 Qf2 25.Qe1 Qf5 26.Kg2=+) 24.Qe1 Qf6-+) 22.de4 Bh3 (22...Qg6!? 23.Qf3 Bg4 24.Qe3-+) 23.Kh3 Qe6 24.Qg4 Qg4 25.Kg4 Rd2 26.f4 White prepares the advance e5 26...Rc2 27.Rab1 (27.Bd4 c5 28.Bg1 g6-+) 27...Rd8 28.Bc1 (28.Rec1 Re2 29.Re1 Rh2-+) 28...b6 29.e5 c5 30.f5? (30.Rb2 Rc3-+) 30...Rc4 31.Kh3 (31.Bf4 g5 32.fg6 fg6-+) 31...Rd3 32.Bb2 f6 33.Kg2 (33.Re2-+) 33...Rc2 34.Kh3 Rb3 35.ef6 (35.Ba1 Rb1 36.Rb1 Be5 37.Rd1-+) 35...Rg3 (35...Rcb2 36.Rb2 Rb2 37.Re8 Kh7 38.fg7 Kg7 39.Re7 Kf6 40.Rc7 Kf5 41.g4 Ke4 42.a4-+; 35...Rbb2?! 36.Rb2 Rb2 37.Re8 Kf7 38.fg7 Kg7 39.Re7 Kf6 40.Rc7 Kf5 41.Ra7-+) 36.Kh4 Rh2 0–1. mckenna215 (1955) – UncleBulgaria (2410), ChessWorld.net, 2015.

7.Bb2 Re8 8.Bg2 d5 9.0-0 Bg4 10.e3 Qd6=+.

7.Bb2 Re8 8.Bg2 d5 9.0-0 Bg4 10.e3 Ne5 11.d3=+.

7.Bb2 Re8 8.Bg2 Qe7 9.e3 d5 10.0-0 Bg4 11.h3 Bh5 12.d3 Bb6 13.Nbd2 Rad8 14.Re1 Qd6 15.Nf1 (15.Nb3 Nd7=) 15...Bf3 (15...Ba5 16.Re2=+) 16.Bf3 d4 17.e4 Ne5 (17...Ba5 18.Nd2=+) 18.Bg2= Qd7 19.f4 Nc6 20.Nh2 Ba5 21.Re2 Bc3 22.Bc3 dc3 23.Qe1 Qd4 24.Kh1 Qc5 25.Nf3 White plans e5 25...b6 26.Kh2 h6 27.Qf2 Qh5 (27...Qf2 28.Rf2 Nd7 29.a4+=) 28.Kg1+= Qa5 29.e5 Nd5 30.Nh4 Nce7 (30...Qb5 31.a4 Qa6 32.Nf5+=) 31.f5 f6 (31...Nc6 32.d4+=) 32.e6+/- c5 33.Kh2 (33.Bf3 Nc6+/-) 33...Nc6+= 34.Ng6 (34.Bd5 Rd5 35.Qf3 Re5+/-) 34...Nd4= 35.Re4 (better 35.Ree1=) 35...b5?? (35...Qa4!? 36.e7 Rd6=+) 36.Ree1?? (better 36.e7 Rd6 37.Rd4 cd4 38.Qd4+-) 36...Qc7 37.Kh1 a5 38.g4 (38.Bd5 Rd5 39.g4 Rd6=) 38...b4 (38...Ne7!? 39.Nh4 b4=) 39.ab4 Nb4 (39...ab4 40.Bd5 Rd5 41.Qg2=) 40.Rac1 (40.Rec1!?+=) 40...a4 41.h4 Ndc2 (41...a3 42.g5 A) 42...fg5 43.hg5 Ndc2 A1) 44.Rc2?! Nd3 (44...hg5 45.Qf3 Rd4 46.Qh5 Rh4 47.Nh4 g6 48.Qg6 Qg7 49.Qe8 Qf8 50.Qg6 Qg7 51.e7 Qg6 52.fg6 Kg7 53.e8Q gh4 54.Qf7 Kh6 55.Re5 Nc2 56.Qh7) 45.Qe3 Ne1 46.Qe1 Kh7+/- (46...hg5 47.e7 Qd6 48.ed8R Rd8 49.Bf3+-); A2) 44.gh6+-; B) 42...hg5 43.hg5 Ne6 44.fe6+-; C) 42...Rb8=) 42.Rc2+/- Rd3 43.Rcc1 (43.e7 Qd6 44.Rcc1+/-) 43...c4? (better 43...a3!?+=) 44.g5! Rg3?? (44...fg5 45.hg5 Combination; 44...hg5 45.hg5 Combination) 45.gf6 gf6 46.Qf4 (better 46.Re3 Re3 47.Qe3+-) 46...Qf4 47.Nf4 Rg4 48.Nd5 Rh4 49.Kg1 Nd5 50.Bd5 Re7 (50...Kf8 51.Rc3 Ke7 52.Be4+-) 51.Rc3 Rg7?? (51...Kf8 52.Be4 Rc7 53.Kf2+-) 52.Kf1 (better 52.Rg3! Rg3 53.Kf2+-) 52...Rf4 (52...Kf8 53.Rg3! Re7 54.Ke2 Rh2 55.Ke3+-) 53.Ke2 Kf8 54.Rc4 Rf5 (54...Rc4 55.Bc4 a3 56.Rh1+-) 55.Rb1 (better 55.Rc8 Ke7 56.Rc7 Kd6 57.Rg7 Rd5 58.Kf3+-) 55...Re5 56.Re4?? (better 56.Kf3 Re7 57.Rd1+-) 56...Rgg5?? (better 56...Re4 57.Be4 Rg5=) 57.Rb8+- Ke7 58.Rb7 Kd6 59.Rd7 Kc5 60.e7 Re4 (60...a3 61.Kd3 Re7 (61...Rd5?? 62.Rd5 Rd5 63.Kc2+-) 62.Ree7 Rd5 63.Rd5 Kd5+-) 61.Be4 Re5 62.Rd5! (62.Rd5 Rd5 63.Bd5 Kd5 64.e8Q+-) 1-0. whitecat25 (2075) - UncleBulgaria (2460), ChessWorld.net, 2014.

7.Bc3 Bb6 8.e3 d6 (8...d5 9.Bg2=+) 9.Bg2 Bg4 (9...Re8 10.0-0=+) 10.0-0= Nd5 (10...Ne4 11.Bb2=) 11.Bb2 Nf6 (11...Re8 12.c4 Nf6 13.Qc2=) 12.d4 Ne7 13.c4 c6 14.Nbd2 Qd7 15.Qc2 Bh3 16.Rfd1 Bg2 17.Kg2 d5 18.Ne5 Qe6 19.a4 Ng6 20.Ndf3 Ne4 21.cd5 cd5 22.Ng6 fg6=+ 23.h4?? Rac8 24.Qe2 Qg4 25.Ba3?? Rf7 26.Rdc1 Rfc7?? 27.Qe1?? Rc6 28.Ne5 (28.Ne5 Rc1 29.Rc1= (< 29.Ng4 Re1 30.Re1 Rc2=+)) 1–0. wlittle (2160) – tbrannon (2115), net–chess.com, 2005.

7.Bc3 Bb6 8.Bg2 d5 9.d4 Ne4 10.Bb2 f5 11.Nc3 Ba5 12.Qd3 Be6 13.0-0 Bc3 14.Bc3 Nc3 15.Qc3 f4 16.Ne5 (16.Rab1!? Rb8 17.Rb3=) 16...Ne5=+ 17.de5 c6 18.Rab1 Rb8 19.Qc5 fg3 (19...a6 20.gf4 Rf4 21.Rb4=+) 20.hg3 a6 21.e4 de4 22.Be4 h5 (22...Qc7!?=) 23.f4+= Bg4 24.Rf2 h4 (24...Qc8 25.Rb6+=) 25.Kh2 (25.Qc4 Kh8 26.Rh2 g5+/-) 25...hg3 26.Kg3 Be6 27.Qe3 (27.Rh1 Kf7+/-) 27...Qe7+= 28.Rh2 Bd5 29.Rbh1 Be4 30.Qe4 Qe6?? (30...Kf7 31.Qf5 Ke8 32.Rh8 Qa3 33.Kg2+-) 31.Rh8 (31.f5 Rf5 32.Rh8 Kf7 33.Rb8+-) 31...Kf7+/- 32.f5 Qd5?? (32...Qe7 33.f6 Qa3 34.Kg4 Qa2 35.fg7 Qe6 36.Kg3 Rh8 37.gh8R Rh8 38.Rh8 Qg6 39.Qg6 Kg6+-) 33.e6+- Ke7 34.Qd5 (better 34.Qh4 Rf6 35.Rb8 Qe5 36.Qf4 Rf5 37.Qe5 Re5 38.Rb7 Ke6 39.Rg7+-) 34...cd5+/- 35.Rf8 Rf8 36.Kf4 Rc8 37.Rg1 Kf8 38.Ke5 Rc2? (38...d4 39.f6 gf6 40.Kf6+- (40.Kd4 Rc2 41.Rh1 Ke7-/+)) 39.Kd5 (better 39.Kd6+-) 39...Rd2 40.Ke4 Re2 41.Kf4 Rf2 42.Kg4 Rc2 (42...b5 43.Rd1+/-) 43.Rg3 (43.Rd1 Rg2 44.Kf3 Ra2+-) 43...b5+/- 44.Kf4 ½-½. kianas (2040) - SteveF1953 (2330), ChessWorld.net, 2012.

7.Bc3 Bc3 8.Nc3 d5 9.Bg2 =+.

7.Bg2 Ne5 8.Ne5 Re8 9.Nc4 Bb6 10.0-0 d5 11.Nb6 ab6 12.d3 c6 13.Nd2 Qe7 14.Rb1 Qe2 15.Rb6 Qd1 16.Rd1 Ra3 17.Nf3 Nd7 18.Rb4 Ne5 19.Re1?? (better is 19.Ne5 Re5 20.Rb2-/+) 19...Nf3 20.Bf3 Re1 21.Kg2 Rc1 22.c4 dc4 23.dc4 Bh3! 24.Kh3 Rf3 25.Rb7 g6 26.Kg2 Rfc3 0–1. Anastasiou,Efthymios – Tompros,Andreas Hristos (1700), GRE–ch U12 Kallithea, 2008.

5.a3 Bc5

6.d4 Bb6 7.e3 d6 8.Bf6 Qf6 9.Bc4 c5 10.c3 Be6 11.Nbd2 d5-/+ 12.Bd3 c4 13.Bc2 Ba5 14.Qb1 Bc3-/+ 15.Ra2 b6 16.Bh7-/+.

6.d4 Bb6 7.e3 d6 8.Bf6 Qf6 9.Nbd2 c5 10.Nc4 Bd8 11.c3=+ Re8 12.Bd3=.

6.d4 Bb6 7.e3 Re8 8.Bd3 d6 9.Bf4 Bg4 10.0-0 Nc6 (10...Nh5 11.h3 Nf4 12.hg4 Nd3 13.Qd3=) 11.Nbd2 Qd7 12.c3 Re7 (12...Nd5 13.Bg5=) 13.e4 (13.Bg5 Re6+=) 13...h6 14.Re1 (14.h3 Bh5=) 14...Rae8= 15.h3 Bh5 16.Qc2 Bg6 Will e4 fall? 17.Bg3 Nh5 (17...d5 18.e5 Bd3 19.Qd3=) 18.Bh2 d5 (18...Nf6 19.Rab1=) 19.e5 (19.ed5 Re1 20.Re1 Re1 21.Ne1 Ne7+/-) 19...Bd3 20.Qd3 f5 (better 20...g6!?+=) 21.Nh4+/- Rf8 (21...Re6 22.Nf5 Rf8 23.Ne3+/-) 22.Qf3 (22.Ng6 Qe6 23.Nf8 Kf8+-) 22...g5 (22...Qe8 23.Qd5 Kh7 24.Qf3+-) 23.Ng6 Ng7 24.Nf1 (24.a4 Rfe8 25.Ne7 Re7+-) 24...Re6 (24...Rfe8 25.Ne7 Ne7 26.Ne3+-) 25.Nf8 Kf8 26.Ne3 Ne7 27.Rad1 Kg8 (27...Ba5 28.Re2+-) 28.c4 c6 29.cd5 cd5 30.Nc2 Nc6 31.Qb3 f4 32.Kh1 (32.Nb4 Nb4 33.Qb4 f3+-) 32...Nf5 33.Bg1 (33.Qb2!?+-) 33...Bd4 (33...Nfd4 34.Nd4 Nd4 35.Qd3+/-) 34.Nd4+/- Nfd4 35.Qa4?? (better 35.Qc3 Nf5 36.g4+=) 35...a6?? (better 35...b5 36.Qa6 Ne5-/+) 36.Rd4+- b5 37.Qd1 Nd4 38.Qd4 Qe7?! (38...Kf7 39.Qd3+-) 39.f3 (39.Qd5 Kf7+-) 39...Kg7 (39...Qa3 40.Qd5 Qe7 41.Bc5+-) 40.Qd5 Qf7 41.Rd1 Re7 (41...h5 42.Bc5+-) 42.Qd2 (better 42.Qc6 Re6 43.Rd6 Re7+-) 42...Qc4 43.Bd4 Qb3 (43...Re8 44.Bb2 Qc6 45.Rc1+-) 44.Bb2 (44.Bc5!? Re8 45.Qd7 Qf7+-) 44...Kf7 45.Re1 (45.Qc1 Kg6+-) 45...Re6 (45...Ke8 46.Qc1 Qc4 47.Qb1+-) 46.Qc3 (better 46.Qd7 Kg6+-) 46...Qc3 47.Bc3 Rc6 48.Ba5 Rc4 (48...Ke6 49.Bb4+-) 49.h4! Ra4 (49...gh4 50.e6 Passed pawn) 50.Bb4 a5 (50...Ke6 51.h5+-) 51.Bd6 (better 51.e6 Ke8 52.Bc5+-) 51...b4 (51...Rd4+-) 52.ab4 (52.e6 Kf6 53.e7 Kf7 54.e8Q Kf6 55.Be5 Kf5 56.Qf7) 52...ab4 53.e6 Ke8 54.Rb1 (better 54.Rc1 Kd8 55.e7 Kd7 56.Rc7 Kd6+-) 54...b3 (54...Ra6 55.Bb4 Re6 56.hg5 hg5+-) 55.Rb3 Ra8 56.Rb7 Ra1 57.Kh2 Rh1 (57...Ra8 58.Rf7 gh4 59.Rf8) 58.Kh1 Kd8 (58...gh4 59.Rb8) 59.Kh2 (59.Kh2 gh4 60.Rb8; 59.Rb8) 1-0. ADDRESP (2405) - maghsud_rezvan (2160), Rated Blitz game, lichess.org, 2016.

6.d4 Be7 7.e3 d5 8.Bd3 Nbd7 9.Bf6 Nf6 10.0-0 Be6 11.Nbd2 c5 12.dc5 =.

6.e3 Re8 7.d4 Bb6 8.h3 d6 9.Bh2 Bf5 10.Bc4 d5 11.Bb3 c5 12.c4? dc4 13.Bc4 Be4?? 14.0-0 Bf3=+ 15.Qf3 cd4 16.Qb7 Nbd7 17.ed4 Bd4 18.Ra2 Re7 19.Rd2 Nb6=+ 20.Qa6? Nc4?? 21.Qc4=+ Rd7 22.Rfd1 Bf2?? 23.Kf2+- Rd2 24.Nd2 Rc8 25.Qb4 Nd5 26.Qd6 Qd6? 27.Bd6+- Rd8 28.Nc4 Nc3 29.Re1 f5 30.Re7 Ne4 31.Ke3 Nd6+= 32.Ne5 Kf8=+ 33.Ra7 Nb5 34.Ra5+= Nd6 35.Kf4 g6 36.Rd5 Nb7 37.Rb5 Rd4 38.Kg5 Nd6= 39.Ra5 Kg7 40.Ra7+/– Kg8 41.g4 Re4 42.Nd7+/– Nf7 43.Kf6+- Re8 44.gf5 gf5 45.Kf5 Kg7 46.Ra5 Re7 47.Nf6?? Nd6=+ 48.Kg5 ½–½. thotares (1695) – Istvanny (1625), internet, 2007.

5.a3 Be7

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Be7 5.Nf3 0-0).

6.c4 d5 7.e3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Be7 7.Nf3).

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3).

5.Bb2 d5

6.c3 Ba5 7.e3=+ c5 8.Be2 Re8 9.0-0 Nc6 10.d3 Bc7 (10...Bf5 11.Nbd2=+) 11.Nbd2 Qd6 12.g3 (12.Rb1 Be6=+) 12...Ng4 (12...Rb8 13.a4-/+) 13.Nh4 h5 14.e4 Be6 15.d4 cd4 16.cd4 Bb6 17.e5 Qd7 18.Ndf3 Bf5 19.Nf5= Qf5 20.Bd3 Qd7 21.Rc1 Bd8 22.Qd2 Be7 23.Qf4 Nh6 24.Rce1 Qh3 25.Ng5 Bg5=+ 26.Qg5 Ng4 27.Qh4 Qh4 28.gh4 a6 29.h3 Nh6=+ 30.Kh2 g6 31.Rg1= Kh7 32.Rg5 Re6 33.Reg1 Ne7 34.Rh5+/– Kg7 35.Bc1 Rh8+/– 36.Rhg5 Kf8 37.Ba3 Ke8 38.Be7 Ke7 39.f4 Rb6+/– 40.Rb1 Rb1 41.Bb1 Rc8 42.h5 Rc1 43.Bg6 Rd1 44.Bc2 Rd4 45.Kg3 b5 46.Rg7 Kf8? (better is 46...Rd2!? 47.Bb1 Rb2+=) ½–½. Krueger,Bernhard – Koch,H, Baunatal op 2nd, 1996.

6.c3 Bd6 7.d4 Bg4 8.Nbd2 Nbd7 9.h3 Bf5 10.Nh4 Be6 11.e3 Ne4 12.Nhf3 Nd2 13.Qd2 Bf5 14.Bd3 Qf6 15.Bf5 Qf5 16.0-0 a5 17.Nh2 (17.Qc1!?+=) 17...Nb6-/+ 18.Qe2 Nc4 19.Rab1 Rfe8 20.Rfe1 Re6 21.g4 (21.Nf3 Rg6 22.Kh1 Qe4-/+) 21...Qf6 22.Nf3 h5! 23.Nd2 (23.gh5 Qf5 Double attack (23...Qf5 Decoy)) 23...Nd2 24.Qd2 hg4 25.hg4 Qf3 26.Qe2 (26.Qd1 Qh3 27.f4 Qg3 28.Kf1 Bf4 29.ef4-+) 26...Bh2!! 27.Kh2 (27.Kh2 Rh6 Mate attack) 27...Rh6 28.Kg1 Rh1 0–1. marinscrofan (1625) – vbotond (2085), gameknot.com, 2009.

6.c3 Bd6 7.e3 -/+.

6.e3 c5 7.c3 Ba5 8.Be2 Re8 9.0-0 Bc7 (9...Nc6 10.Qc2-/+) 10.d3 (10.c4 Nc6 11.cd5 Nd5=) 10...Qd6 (10...Nc6 11.c4+=) 11.Nbd2 (11.c4 Qb6 12.Qc2 Na6=) 11...Bg4 (11...Nc6 12.h3+=) 12.h3 Bh5 13.Re1 (13.c4 Nbd7=) 13...Nbd7 (13...Nc6 14.Rc1+=) 14.Nf1 (14.c4 h6=) 14...h6+= 15.N3d2 (15.N1d2 Ne5+=) 15...Bg6 16.f4 (16.Nf3 Qa6-/+) 16...Qb6 (16...Re6 17.Nf3-/+) 17.Qb3 Qa6 (better is 17...c4 18.Qb6 Bb6-/+) 18.a4? (better is 18.c4!? dc4 19.dc4-/+) 18...Bd3-+ 19.Bd3 Qd3 20.Qb7 (20.Qb5 Qb5 21.ab5 c4-+) 20...Reb8 (20...Rab8!? 21.Qc7 Rb2 22.Rad1 Qc3 23.Qa7-+) 21.Qc7-/+ Rb2 22.Rac1? (22.e4 de4 23.Rad1 Qc3-/+) 22...Qa6 (better is 22...Rd2!? 23.Nd2 Qd2 24.Kh2-+) 23.f5 (23.Rb1 Rbb8-/+) 23...Qa4 (23...Qd3 24.e4 de4 25.Rcd1-/+) 24.Nf3? (24.c4!?-/+) 24...a5 (24...Qa2 25.Qh2-+) 25.N3d2 (25.N1d2 Qa3-/+) 25...Ne8 (25...Rc2 26.Ra1 Qh4 27.c4-+) 26.Qg3 Ndf6 (26...Qc6 27.e4 de4 28.Ne4 a4-+) 27.Ra1 (27.Qe5!? Rd8 28.c4-/+) 27...Qd7 (27...Qc6 28.c4 Nd6 29.Qf3-+) 28.Qe5 (28.e4 Nd6 29.Rad1 A) 29...de4 30.Nc4 Nf5 31.Qe5 (31.Rd7?! Ng3 32.Ng3 Rc2=) 31...Rg2 32.Kg2+/–; B) worse is 29...Nfe4 30.Ne4 de4 31.Rd6 (31.Qd6?! Qd6 32.Rd6 Rb3+/–) 31...Qf5 32.Ne3+-; C) 29...a4-+) 28...Qd6 29.Qd6 (29.Nf3 Rc2-+) 29...Nd6 30.g4 (30.Ra4 Rc2-+) 30...a4 31.Reb1 Rb1 (31...Rc2 32.Ra3 Nde4 33.Ne4 Ne4 34.c4 dc4 35.Rba1-+) 32.Rb1 (32.Nb1 h5 33.gh5 Nf5-+) 32...a3 (better is 32...Nfe4 33.Ne4 Ne4 34.c4 dc4 35.Kg2-+) 33.Nb3 (33.Ng3 a2 34.Ra1 Ra3-+) 33...a2 (33...Nfe4 34.Ra1-+) 34.Rc1 (34.Ra1 Nfe4 35.Nc1 Nc3-+) 34...Nfe4 (34...Rb8 35.Ra1 Rb3 36.Ra2 Rc3 37.Kf2-+) 35.Na1 Ra3 (35...Nc4 36.Kg2-+) 36.Rc2 (36.Kg2 Nc4-+) 36...Nc4 37.Kg2 Kh7 38.Kf3 Na5 (38...g5 39.Ng3 Nc3 40.Nf1-+) 39.c4 (39.Ng3 Nc3 40.Ne2 Ne2 41.Ke2 c4-+) 39...Nc4 40.h4 (40.Ke2 Ra4 41.Kf3 Ne5 42.Kg2 Nd3-+) 40...Na5 (40...Ne5 41.Ke2-+) 41.Nd2 (41.Ng3 Nc6 42.Kg2 Nb4-+) 41...Nd2 42.Rd2 d4 43.Ke2 (43.Ke4 Nc4 44.Rd1 Re3 45.Kd5 Rc3-+) 43...Re3 (43...Re3 44.Kd1 Nc4 45.Ra2 Rh3-+) 0–1. Paduraru,Cristina_Filareta (1655) – Vasile,Teodora (1995), CN Juniori Voineasa – F20, 2009.

6.e3 c5 7.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2).

6.e3 Be7 7.Be2 c5 8.0-0 Nc6 9.d3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Be7 7.0-0 c5 8.d3 Nc6 9.Bb2).

6.e3 Re8 7.Be2 c5 8.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8).

6.e3 Bf5 7.Be2 a6 8.0-0 Nc6 9.d3 Qd6 (9...Re8 10.Nbd2=+) 10.Nbd2 (better 10.c3!? Bc5 11.d4+/-) 10...Ng4 11.c3 Bc5 12.h3 Nf6 13.c4 Ba3 (13...dc4!? 14.Nc4 Qe6=) 14.Bf6+/- Qf6 15.cd5 Nb4? (better 15...Nd8!?+/-) 16.e4 (16.Qb3 Rad8 17.Nd4 Nd5 18.Qa3 Nf4+-) 16...Bd7 (better 16...Bh3 17.gh3 Bb2+-) 17.Qb3 Bb2 (17...Rfe8 18.d4+-) 18.Rab1 (18.Qb4 Ba1 19.d4 a5+-) 18...Bc3 19.a3 Nd5 20.Qd5 Bc6 21.Qc4 Bb2 (21...Rad8 22.Nb3 Rfe8 23.Rfc1+-) 22.Qb3 Bd4 23.Nd4 Qd4 24.Nf3 Qd6 25.Rfe1 (25.Qc3 Rad8+-) 25...Rad8 26.Bf1 Rfe8 27.Qb4 Qf6 28.Qb2 Qd6 29.Nd2 (29.Be2 b6+-) 29...Bb5 30.Re3 Qd4 (30...c5 31.Be2+-) 31.Qd4 Rd4 32.Rb3 (32.Nf3!? Rd6+-) 32...c5 33.Nf3 Rd7 34.g3 f6 35.Nh4 Red8 (35...b6 36.f4+-) 36.Nf5 (36.f4 Re8+-) 36...g6 37.Nh4 g5 (37...Kf7 38.f4+-) 38.Nf5 Kh8 (38...Kf7 39.f4+-) 39.f4 1-0. bjoernsen (2290) - NoobIanRay (2390), Rated Blitz game, lichess.org, 2016.

6.e3 Bf5 7.Be2 Qe7 8.0-0 Nbd7 9.d3 h6 10.Nbd2 Rfe8 11.c4 c6 12.Rb1 a5 13.Qc2 a4 14.Rfe1 dc4 15.Qc4 Be6? (better 15...Nd5!?=) 16.Bf6+/- Nf6 (16...Bd2 17.Be7 (17.Nd2?! Nf6 18.Qc2 Nd5=) 17...Bc4 18.Nd2 (18.dc4?! Be1 19.Bd6 Bc3=) 18...Ba2 19.Ra1+-) 17.Qb4+- Qb4? (better 17...Ba2!? 18.Rb2 Qb4 19.Rb4 b5+-) 18.Rb4 Ba2 19.Ra1 Be6 (19...Nd5 20.Rb7 (20.Ra2?! Nb4 21.Ra3 c5=+) 20...Nc3 21.Kf1+-) 20.Rba4 Ra4 21.Ra4 Nd5 22.Bf1 (22.Ra7 Nc3 23.Nd4 Ne2 24.Ne2 Rd8+-) 22...b5 23.Ra6 b4 (23...Nb4 24.Ra1+-) 24.Rc6 Rb8 25.Nd4 Bd7 26.Rc5 Nc3 27.Rc7 Ba4 Black prepares the advance b3 28.Ra7 Bd1 (28...g6 29.Nc4+-) 29.Nc6 Rb6 30.Nd4 b3?? (30...Rb8 31.g3 Bh5+-) 31.Ra8 Kh7 32.Rc8 (better 32.N2b3 Bb3 33.Ra3 Bd1 34.Rc3 Rb1+-) 32...Na2 33.g3 b2 34.Bh3 (34.Nb1!? Nc1+-) 34...b1Q 35.Nb1 Rb1 36.Bf5?? (better 36.Kg2+-) 36...g6= 37.f4 (better 37.Bg6 Kg6 38.Kg2=) 37...gf5-/+ 38.Nf5?? (better 38.Kg2-/+) 38...Bg4-+ 39.Kf2 Rb2 40.Ke1 (40.Kg1 Bf5 41.Rc7 Kg7-+) 40...Bf5 41.e4 (41.Rc4-+) 41…Bc8 (41...Bc8 42.Kd1 Bg4 43.Ke1 Bh3 44.Kd1 Nb4 45.d4 Nd3 46.g4 Bg4) 0-1. bjoernsen (2255) - nathands (2325), Rated Blitz game, lichess.org, 2016.

6.e3 Bg4 7.c3 Be7 8.d4 c5 9.dc5 Bc5 10.Be2 Nc6 11.Nbd2 Ne4 12.h3 Bh5 13.Ne4 de4 14.Nd4 Nd4 (14...Be2 15.Qe2 Ne5 16.0-0-/+) 15.Bh5 Nf5 16.Qd8 Rad8 17.Rd1 Rd1 18.Bd1 Rd8 19.Bc2 Nd6 20.0-0 black resigned. 1-0. alexp (2505) - marmite (2380), net-chess.com, 2012.

6.g3 b6 7.Bg2 Bb7 8.0-0 Nbd7 9.d3 Bd6 10.Nbd2 Re8 11.c4 c5 12.cd5 Nd5 13.Nc4 Bc7 14.Nh4 (14.e4 N5f6=) 14...b5=+ 15.Nf5 bc4 16.dc4 Be5 17.Be5 (17.cd5 Bb2 18.Rb1 Qf6-+) 17...Re5=+ 18.Nd6 Nc3 19.Nb7 Qe7 (worse 19...Nd1 20.Nd8 Rd8 21.Rfd1+-; worse 19...Ne2 20.Kh1 Qc7 21.Nc5+=) 20.Qd3 Ne2 21.Kh1 Nf6 22.Rad1 Rb8 23.Na5 (23.Rb1 Re8=) 23...Nd4=+ 24.Nb3 Rd8 25.Nd4 cd4 26.Rb1 Ne4 27.Be4 Re4 28.Rb2 g6 29.Kg2 h5 (29...Qe6 30.Rfb1=) 30.h4 (30.Rfb1 Qe8=) 30...Qe6 31.Rc1 Re1 32.Re1 Qe1 33.Re2 Qb4 34.Re5 Qb7 35.Qf3 Qa6 36.Rd5 Rc8 37.Rd4 Qa2 The isolani on c4 becomes a target (worse 37...Rc4 38.Rc4 Qc4 39.Qa8 Kg7 40.Qa7 Qd5 41.Kh2+-) 38.Qb7 Re8 (38...Rc4?? 39.Rd8 Kg7 40.Qe7+-) 39.Qd7 Rf8 (39...Re2 40.Rf4 f5 41.Qd5 Kg7 42.Qb7 Kg8 43.Qc8 Kg7 44.Qc7 Kg8 45.Qd8 Kh7 46.Qf6+=) 40.c5+/- Qa6 (40...Qc2 41.c6 (41.Qa7?! Rc8+/-) 41...a5 42.c7+-) 41.c6 Qc8 42.c7 Kg7 43.Qc6 Re8 44.Rd7 a5 45.Qd5 Rf8 46.Qd4 Kg8 47.Qd6 Qb7 48.Kh2 Qa7 (48...Qb2 49.Qc5 Qf6+-) 49.Qf8!! (49.Qf8 Kf8 50.c8Q Kg7 51.Qc3 Qd4 52.Qd4 Kg8 53.Rd8 Kh7 54.Qh8) 1-0. Bogdan,Dan (2330) - Papp,Gabor (2250), 5th Paks Cup IM, Paks HUN, 2000.

6.g3 c6 7.Bg2 Bg4 8.0-0 Nbd7 9.c4 dc4-/+ 10.Qc2 Nb6 11.a4 a5 12.Na3 (12.Re1-/+) 12...Be6 (12...Bf3 13.Bf3 Qd2 14.Qd2 Bd2 15.Bd4-/+) 13.Ng5? (better 13.Nd4 Re8 14.Ne6 Re6 15.Nc4 Nc4 16.Qc4 Qd2 17.Bf6 Rf6 18.Rad1=+) 13...Bd5?? (better 13...Qd2 14.Qd2 Bd2 15.Ne6 fe6-+) 14.Bf6+- g6 15.Bd8 Rad8 (15...Rfd8 16.Bd5 cd5 17.Nb5+-) 16.Bd5 (16.e4 h6+-) 16...cd5 (16...Rd5 17.Nf3 Re8 18.Nc4+-) 17.Nb5 Rfe8 (17...Nd7 18.e4+-) 18.Nd4 (18.e3 Re7+-) 18...h6 (18...Rc8 19.e3+-) 19.Ngf3 Kg7 (19...Nd7 20.e3+-) 20.d3 (20.Qb2 f6+-) 20...Re7 (20...c3 21.Qb3 Nd7 22.Qd5+-) 21.dc4 Nc4 (21...dc4 22.Rfd1 Rc8 23.Nb5+-) 22.Rfd1 Rde8 23.e3 Rd8 24.Rac1 (24.Ne2 Rc7+-) 24...Red7 25.Nb5 Nb6 26.Ne5 Re7 27.f4 (27.Nd3!? Nc4+-) 27...h5 28.Kg2 (better 28.Qb1 Rde8+-) 28...Kg8 29.h3 (better 29.Ng6 Re6 30.Ne5 Rf6+-) 29...Kg7 30.g4 hg4 31.hg4 Kg8 32.g5 (better 32.Ng6 Nc4 33.Ne7 Be7+-) 32...Kg7 33.Kf3 (better 33.Qb2 d4 34.Rd4 Na4+-) 33...Kg8 34.Kg4 (34.Rh1 Nc4 35.Qh2 Ne5 36.Kg3 Be1 37.Rce1 f6 38.Qh8 Kf7 39.Qf6 Ke8 40.Rh8 Kd7 41.Qd6 Kc8 42.Rd8) 34...Kg7 35.Qb2 (35.Rh1 Bc3 36.Qh2 f5 37.Kf3 Be5 38.fe5 Nc4 39.Qh7 Kf8 40.Qh8 Kf7 41.Rh7 Ke6 42.Qf6 Kd7 43.Qe7 Kc6 44.Qc7) 35...Kg8 36.Rh1 Na4 (36...f5 37.gf6 Nd7 38.Nd7 Bc3 39.fe7 Rb8 40.Nb8 Kg7 41.e8Q Bb2 42.Nd6 Bc1 43.Qf7) 37.Rh8 (37.Qh2 f5 38.gf6 Re5 39.Qh7 Kf8 40.Qg7 Ke8 41.Nc7) 37...Kh8 (37...Kg7 38.Qd4 Bc3 39.Nc3 f5 40.gf6 Kh8 41.fe7 Ra8 42.Qd5 Kg7 43.Qf7 Kh8 44.Ng6) 38.Ng6 Kh7 39.Rh1 Kg6 40.Qf6 (40.f5) 1-0. is_er_nog_hoop (2600) - Powerdonok (2310), Rated Blitz game, lichess.org, 2016.

6.h3 Nc6 7.e3 Bf5 8.Nd4 (8.Be2 Re8=+) 8...Nd4-/+ 9.Bd4 c5 10.Bb2 Qb6 11.Qc1 Rad8 12.a3 Ba5 13.Nc3 (13.Be2 Ne4-/+) 13...Qc6 (13...d4 14.Nb1 de3 15.fe3 Ne4-+) 14.Bb5-/+ Qd6 15.Be2 (15.0-0 Ne4-/+) 15...a6 (15...d4 16.Nb5 Qb6 17.0-0-+) 16.Bf3 b5 17.Ne2 Ne4 18.Be4 Be4 (18...de4 19.Bc3 Bc3 20.Nc3-/+) 19.f3 Bg6 20.0-0 Bb6 21.f4 Rfe8?? (21...f6 22.a4-/+) 22.Be5?? (better 22.f5 Bh5 23.Nf4+-) 22...Qe6-/+ 23.Ng3 White plans f5 23...f6 (23...d4 24.ed4 cd4 25.Kh2-+) 24.Bb2-/+ c4 (24...Qd6!?-/+) 25.f5=+ Qd6 26.fg6 Qg3 27.gh7 Kh7 28.Rf3 Qg6 29.Bc3 (29.Rb1 d4 30.Bd4 Bd4 31.ed4 Rd4-/+) 29...d4 30.ed4 Bd4 31.Bd4 Rd4 32.Rf2 Red8 (32...Qg5 33.c3 Rd3 34.Kf1-/+) 33.Qd1 (33.Ra2!?-/+) 33...Qg5-+ 34.c3 (34.Qf3-+) 34...Rd2 The mate threat is Rxd1 35.Qf1 (35.Qb1 Kh6 36.Rd2 Rd2-+) 35...Rf2 (35...Qc5 36.a4 Rc2 37.Rc1-+) 36.Qf2 Qd2 (36...Rd2 37.Qf3-+) 37.Qf5 (37.Qd2 Rd2 38.a4 Rd3 39.ab5 ab5-+) 37...Kg8 (better 37...Kh6!? 38.Qf3-+) 38.Qe6-/+ Kh8 39.Qe1 (39.Qa6 Qc3 40.Rb1 Qe3 41.Kh2 Qe5 42.Kh1 c3-+) 39...Qe1-+ 40.Re1 Rd3 41.Rc1 Kh7 42.Kf2 (42.Kh2 Kg6-+) 42...Kg6 (42...Rd2 43.Kf3 Ra2 44.g4-+) 43.Rc2 Kf5 44.Ke2 Ke4 45.Kf2 Re3 46.a4 Kd3 47.Ra2 Re5 48.ab5 ab5 (48...Rb5?! 49.Ra6 Kc3 50.Rc6-+) 49.Ra3 Re2 (49...Kc2 50.g3-+) 50.Kf3 Rb2 51.Ra7 Kc3 52.Rg7 b4 53.h4 Ra2 54.h5 b3 55.h6 b2 56.h7 (56.Rb7 Ra1 57.Ke4-+) 56...b1Q 57.h8Q Qd3 58.Kf4 (58.Kg4 Rg2 59.Kf4 Rf2 60.Kg4 Qf3 61.Kh4 Rh2) 58...Rf2 59.Kg4 Rg2 60.Kf4 Rf2 61.Kg4 Qf3 62.Kh4 0–1. petrobbo (2005) – Toby10 (1930), ChessWorld.net, 2014.

6.e3 Bd6

7.Be2 c5 8.0-0 Nc6 9.a4 (better is 9.Na3=+) 9...Qc7 (better is 9...Re8!?=+) 10.Bf6+/– gf6 11.g3 (11.Nc3 Be6+=) 11...Kh8 (11...Bh3 12.Re1=) 12.Kh1 (12.Nc3 Be6=) 12...Bg4 13.Nh4 Be2 14.Qe2 Ne5 15.f4+= Ng6 16.Rg1 Nh4= 17.gh4 Rg8 18.Nc3= d4 19.Nd5 Qc6 20.e4 f5=+ 21.Nf6 Rg1 22.Rg1-/+ fe4?? 23.Ne4?? f5 24.Qh5 Qe4 25.Rg2 Rg8 26.Qe2 Qg2 27.Qg2 Rg2 28.Kg2 a6 29.Kf3 b5 30.ab5 ab5 31.c3 dc3 32.dc3 Kg7 33.h5 Kf6 34.h4 Ke6 35.Ke3 Kd5 36.Kd3 b4 37.cb4 cb4 38.Kc2 Bf4 39.Kb3 Kc5 (39...Kc5 40.Kc2 Kc4-+) 0–1. wood – liencam2, Live Game Caissa's Web, 2005.

7.Be2 c5 8.0-0 Nc6 9.d3 Re8 10.Nbd2 b6 11.c4 Bb7 (11...Be6!?=) 12.Bf6+= Qf6 13.cd5 Ne5 14.e4 (14.Ne4 Qg6 15.Nh4 Qh6+/-) 14...Ba6 Black prepares c4 (14...Rad8 15.Qc2=) 15.Qc2 (15.d4 Nf3 16.Nf3 Be2 17.Qe2 cd4+=) 15...Rac8 Black prepares the advance c4 16.Rac1 b5 (16...Rcd8 17.Ne5 Be5 18.Nf3+=) 17.g3 h5 (17...Nf3!? 18.Nf3 Bb7+=) 18.Nh4 (18.Ne5 Qe5 19.f4 Qd4 20.Kg2 c4 21.dc4 bc4+-) 18...c4 (18...g6!?+/-) 19.d4+- Nd3 (19...Nd7 20.e5 Ne5 21.Ne4+-) 20.Bd3 cd3 21.Qd3 Bb4 22.e5 Qh6 23.Ne4?? (better 23.Rc8 Rc8 24.Ne4+-) 23...Rc1-+ 24.Nf5 White plans d6 24...Rf1 25.Kf1 (25.Qf1 Qh7 26.Ned6 Rd8 27.Ne7 Kf8=+) 25...Qc1 26.Kg2 Qc4 27.Qf3 (27.Qc4 bc4 28.Kf3-+) 27...Rd8 (27...Bb7 28.Ng7 Kg7 29.Qf6 Kf8 30.Qh6 Ke7 31.Qf6 Kd7 32.Qf7 Re7 33.Qf5 Kd8 34.a3 Bd5 35.ab4-+) 28.d6 (28.Ng7 Bb7 (28...Kg7?? 29.Qf6 Kg8 30.Qd8 Kg7 31.Nf6+-; 28...Qd4?! 29.Nf5 Qe5 30.Nh6 Kg7 31.Nf7=) 29.e6 Qc7= (29...Kg7 30.Qf7 Kh8 31.Qf6 Kh7 32.Ng5 Kg8 33.Qg6 Kh8 34.Nf7)) 28...Bb7-/+ 29.Ne7 Kf8 30.Ng6 Kg8 31.Ne7 Kf8 32.Ng6 Kg8 (better 32...Ke8 33.Nf6 gf6 34.Qb7 Qe6-/+) 33.Nf6?? (better 33.Ne7 Kf8=) 33...gf6-+ 34.Ne7 Kf8 35.Qb7 fe5 (35...Qd4?! 36.Nc6 Qd5 37.Kg1 Bd6 38.Nd8 Qb7 39.Nb7=+) 36.de5 Bc5 (36...Qa2?! 37.Nd5 Bd6 38.ed6=) 37.Nf5 (37.Nf5 Qe6 38.Qc7-+). bjoernsen (2325) - MuhittinB (2310), Rated Blitz game, lichess.org, 2016.

7.Be2 c5 8.0-0 Nc6 9.d3 Bg4 10.Nbd2 Qe7 11.c4 Rad8 (11...Be6 12.cd5 Nd5 13.Ne4=) 12.Bf6 Qf6 13.cd5 Ne5 14.Ne4 Qh6 15.Nd6 Bf3 (15...Qd6 16.Ne5 Be2 17.Nf7 (worse 17.Qe2 Qe5 18.a4 Rd5=) 17...Qd5 18.Qe2 Qf7 19.Rad1+=) 16.Bf3 (16.Nf5 Qg5 17.Bf3 Qf5+/-) 16...Rd6 17.e4 Rg6 (better 17...b6+=) 18.Be2?? (18.Bh5 Rg5 19.Be2 Qh3=) 18...f5 (better 18...Qh3! 19.Bg4 Rg4-+ (19...Qg4?! 20.Qg4 Rg4 21.f3-+)) 19.f4+/- Ng4 20.Bg4 Rg4 21.g3 g5 22.ef5 (22.fg5 Qg5 23.Kh1 fe4 24.Rf8 Kf8 25.de4 Qf6+/-) 22...Qh3 23.Qe2 (23.Qd2 Rf5 24.Rae1 gf4 25.Re8 Kg7 26.Re7 Kh6 27.Rb7+-) 23...Rf5? (better 23...gf4!? 24.Rf4 Rf4 25.gf4 Qf5 (worse 25...Rf5 26.Kh1 Qh5 27.Qe6 Qf7 28.Rg1 Kh8 29.Rc1+/-) 26.Qe6 Qe6 27.de6 Rf4=) 24.Qe6 (better 24.d6 gf4 25.d7 Rg3 26.hg3 Qg3 27.Kh1 Qh4 28.Qh2 Qh2 29.Kh2 Rh5 30.Kg2 Rd5+-) 24...Rf7? (better 24...Kg7 25.Rf3 Rf6 26.Qe7 Rf7 27.Qe5 Kg6 28.f5 Kh6 29.Qe6 Kg7+-) 25.fg5+- Rg3 26.Kh1 (better 26.hg3 Qg3 27.Kh1 Qh4 28.Kg2 Qg5 29.Kh2 Qh5 30.Qh3 Qh3 31.Kh3+-) 26…Qg2 0-1. bjoernsen (2425) - norba94 (2450), Rated Blitz game, lichess.org, 2016.

7.Be2 c6 8.0-0 Bg4 9.d3 Nbd7 10.Nbd2 Re8 11.c4 a5 12.Rb1 a4 13.Bf6 Qf6 14.Rb7 Nc5 15.Rb1 Re6 (better 15...Rab8!?=) 16.d4+/- Ne4 17.Ne4 de4 18.Nd2 Be2 19.Qe2 Bh2? (better 19...Qe7+/-) 20.Kh2+- Qh4 21.Kg1 Rh6 22.f4 g6 (22...f5 23.Rb7+-) 23.f5 (23.Ne4 f5 24.Nc3 Qh2 25.Kf2 Qh4 26.g3 Qh2 27.Ke1 Qg3 28.Qf2 Qf2 29.Kf2 Rh2 30.Kg3 Rd2+-) 23...gf5 24.Rf4 Qh2 25.Kf2 Rg6 26.Qf1 Kh8 27.Rf5 Rag8 28.Ke1 Rg2 29.Ne4?? (better 29.Rf2 Qh4 30.Rb8+-) 29...Rg1-+ 30.Nf6 (30.Rb7 Rf1 31.Rf1-+) 30...Qh4 (30...R8g2 31.Rf2 Rf1 32.Ke2 Rgf2 33.Kd3 Rb1 34.Ne4 Rd1 35.Kc3 Rb2 36.Nf2 Qf2 37.a3 Rb3) 31.Kd2 Rf1 32.Rff1 Rd8 33.Rbe1? (33.Rb7 Qh2 34.Kd3 Qg2=+ (34...Qa2 35.Rf7 Qb3 36.Ke4 Qc2 37.Ke5 Qh2 38.Rf4+/-)) 33...a3 (better 33...c5 34.Nd5 cd4-+) 34.Rf4-/+ Qh2 35.Re2 Qh1 36.Rf5?? (better 36.Re1 Qg2 37.Re2-/+) 36...Rb8-+ 37.Kd3 (37.Rg5 Qb1 38.Kc3 Qc1 39.Kd3 Qd1 40.Rd2 Qf1 41.Kc3 Qf6 42.Rgg2-+) 37...Qb1 38.Rc2 Rb2 39.Rff2 Rc2 (better 39...Ra2! 40.Ne4 Rc2 41.Rc2-+) 40.Rc2 Qf1 (40...Qf1 41.Ke4 Qf6-+) 0-1. bjoernsen (2320) - is_er_nog_hoop (2545), Rated Blitz game, lichess.org, 2016.

7.Be2 Re8 8.0-0 Nbd7 9.d3 Nf8 (9...Qe7 10.Nc3=+) 10.Nbd2= Ng6 11.c4 c6 12.Rc1 Qe7 13.Qb3 Be6 (13...dc4 14.Nc4 Bc7 15.Rfe1=) 14.Bf6+= Qf6 15.d4 White prepares c5 (15.Qb7!? Ne7 16.c5+/-) 15...Qe7 16.c5 Bc7 17.Kh1 (17.Bd3 Qd7=) 17...Rab8 18.Qa4 a6 19.Rfe1 (19.Bd3 Nh4=) 19...Bf5 20.Qb3 Nh4 21.g3 Nf3 22.Bf3 Qd7 23.Bg2 Bh3 (23...Ba5 24.Re2=+) 24.f4 (24.Bh3 Qh3 25.Qa4 Re6=) 24...Bg2 25.Kg2 b6 26.cb6 Rb6 27.Qc3 f6 (27...Bd6 28.Rb1 Reb8 29.Rb6 Rb6 30.Qc2=+) 28.Rc2 (28.e4 Bd6 29.a3 Be7=) 28...Reb8 (28...Qf5 29.a4=+) 29.Nb3 (29.e4 Bd6=) 29...Bd6=+ 30.Rec1 Qe7 31.Re1?? (better 31.Qd3 Ba3 32.Re1=+) 31...Qe4 (better 31...Bb4!? 32.Qd3 Be1 33.Re2-+) 32.Kf2 Bb4 33.Qb2 Be1 34.Ke1 Qe3 (34...Qh1 35.Ke2-+) 35.Re2 Qg1 36.Kd2 a5 (36...Rb4 37.Qc3-+) 37.Qa3 (37.Qc1 Qc1 38.Nc1 Rb2 39.Kc3 Re2 40.Ne2 Rb4-+) 37...Rb3! 38.ab3 (38.ab3 Qd4 Combination; 38.Qb3 Rb4 Double attack (38...Rb4 Decoy)) 38...Qd4 39.Ke1 (39.Kc2 c5 40.Qa4 Qa4 41.ba4-+) 39...Qc3 40.Kf2 Qd4 (better 40...Rb3 41.Qe7 Qf3 42.Kg1 h5 43.Qe6 Kh7 44.Qf5 Kh6-+) 41.Kg2?? (41.Ke1 Rb4 42.Kf1-+) 41...Qb4-+ 42.Qc1 Qb3 (42...c5!? 43.Qc2 Qb3 44.Qc5-+) 43.Qc6 d4?? (43...h6 44.Rd2-+) 44.Qd6?? (better 44.Re8 Kf7 45.Qd7 Kg6 46.Qg4 Kh6 47.Qh4 Kg6 48.Qg4 Kf7 49.Qd7 Kg6 50.Qg4=) 44...Qb7-+ 45.Kh3 d3! 46.Qd3 Qc8 47.f5 Qb7 48.Qc4 Qf7 49.Qa4?? (better 49.Qg4-/+) 49...Qh5-+ 50.Kg2 Qe2 51.Kh3 Qe5 (51...Rb2 52.Qd1 Qd1 53.g4 Qd3 54.Kh4 Rh2) 52.Qc2 (52.Qc4 Kh8 53.Qd3 a4-+) 52...Kh8 53.g4 (53.Qd3 a4 54.Qa3 Qf5 55.Kg2 Qc2 56.Kh3 h5-+) 53...Re8 (53...Qe3 54.Kg2 Rd8 55.h3 Rd2 56.Qd2 Qd2 57.Kf3-+) 54.Kh4 (54.Qd2-+) 54...Qe3 55.Qc6 Qg5 (55...Qf2 56.Kh3 Re3 57.Qf3 Rf3) 56.Kg3-+ Re3 57.Kf2 Qf4 58.Kg2 (58.Kg1 Re1 59.Kg2 Re2 60.Kg1 Qh2 61.Kf1 Qf2) 58...Re2 59.Kg1 Qh2 60.Kf1 Qf2 0-1. bjoernsen (2295) - Holopainen (2345), Rated Blitz game, lichess.org, 2016.

5.Bb2 Re8

6.a3 Bf8 7.c4 d5 8.d4 (8.e3!?=+) 8...dc4-/+ 9.Nc3 a6 10.e3 b5 11.Be2 c5 12.0-0 Nc6 Black prepares the advance b4 13.dc5 Bc5 14.a4? (better 14.Qc2 Qd7 15.Rfd1-+) 14...b4 15.Qd8 Rd8 (worse 15...Nd8 16.Bc4 bc3 17.Bc3-+) 16.Nd1 c3 17.Ba3 (17.Nc3 bc3 18.Bc3-+) 17...ba3 18.Nc3 Be6 (18...Bf5 19.Nb1 Bb1 20.Rfb1-+) 19.Ng5 Bb3 (19...Bf5 20.Rfc1 Bf8 21.Bf3-+) 20.a5 (20.Rfc1 Bb4 21.Na2 Ba2 22.Ra2 Ne5-+) 20...Na5 21.Na4 (21.Nf3-+) 21...Ba4 22.Nh7 Kh7 23.Ba6 Ra6 24.Rac1 Bb4 (better 24...Nb3 25.Rc4-+) 25.Rc7 a2 26.Rf7 Rd1 27.Rg7 (27.g4 a1Q 28.Kg2 Rf1 29.Rd7 Rg1 30.Kf3 Bd1 31.Rd1 Qd1 32.Kf4 Qg4 33.Ke5 Nc4) 27...Kg7 28.g3 (28.Rd1 Bd1 29.h4 a1Q 30.Kh2 Ng4 31.Kh3 Nf2 32.Kg3 Rg6 33.Kh2 Bf3 34.gf3 Qg1) 28...a1Q 29.Rd1 (29.Re1 Re1 30.Kg2 Rg1 31.Kf3 Qd1 32.Kf4 Qg4 33.Ke5 Nc4) 29...Qd1 30.Kg2 Bc6 (30...Bc6 31.e4 Be4 32.f3 Qf3 33.Kg1 Bc5) 0-1. joefitz (1850) - Lance5500 (2485), lichess.org, 2016.

6.g3 d5 7.Bg2 Nbd7 8.0-0 Nb6 9.Ne5 (9.Bd4 Bf5=+) 9...Na4 10.Nd3 (10.Bd4 Bd6 11.Nf3 c5 12.Bf6 Qf6-/+ (worse 12...gf6 13.Nc3 Nc3 14.dc3=)) 10...Nb2 11.Nb2 Bg4 12.Re1 c6 13.Nd3 Ba5 14.h3 (14.Nc3 Qd6-/+) 14...Bf5-+ 15.Nc5 Bb6 16.d4 Bc5 17.dc5 Qa5 18.Nd2 Qc5 19.Nb3 (19.Rc1 Ne4 20.Ne4 de4-+ (20...Re4?! 21.Be4 Be4 22.c3=)) 19...Qc2 20.Qc2 Bc2 21.Nd4 Ba4 22.Rab1 c5 23.Nf5 (23.Nb5 Bb5 24.Rb5 b6-+) 23...Bc2 24.Ng7 (24.Nd6 Bb1 25.Ne8 Ba2 26.Nf6 gf6 27.Rc1-+) 24...Re2!! 25.Re2 Bb1 26.Rb2 (26.Nh5 Nh5 27.Bd5 Nf6 28.Bb7 Rd8-+) 26...Bd3 (26...Kg7?! 27.Rb1 b6 28.Re1-+) 27.Nh5 Nh5 28.Rb7 (28.Bd5 Ba6-+) 28…Nf6 0-1. ulla – forsetinn, gameknot.com, 2014.

6.e3 d5

7.a3 Bf8 8.d4 (8.Bb5 Nc6=+) 8...b6 (8...c5 9.Nc3-/+) 9.c4 (9.Nc3 Bb7=) 9...c5 (9...Nc6!?=+) 10.Nc3 Bb7 (10...cd4 11.Nd4 Bb7 12.Nf3=) 11.Be2 (11.cd5 Nd5 12.dc5 Bc5=) 11...dc4= 12.Bc4 (12.0-0 cd4 13.Nd4 Qc7=+) 12...cd4 13.Nb5? (13.Nd4!? Qc7 14.Qb3=+) 13...Nc6 (13...de3 14.Qd8 ef2 15.Kf2 Rd8 16.Bf6 gf6 17.Rhd1-+) 14.0-0 (14.Nbd4 Nd4 15.Qd4 Qd4 16.Bd4 Rac8=+) 14...de3 (14...Rc8 15.ed4 Na5 16.Ba2-/+) 15.Qb3 (15.Ng5 Qd1 16.Bf7 Kh8 17.Rfd1 ef2 18.Kf1 Re7-/+) 15...Qe7 16.fe3? (16.Ng5 Ne5 17.Bd3-+) 16...Na5-+ 17.Qa2 (17.Bf6 gf6 (17...Nb3?! 18.Be7 Na1 19.Bf8-/+; worse 17...Qf6 18.Qd3 Nc4 19.Qc4-+) 18.Qa2 a6-+) 17...Nc4 18.Qc4 Qe3 19.Kh1 Rac8 20.Qa2 (20.Qh4 Re4 21.Qh3 Ng4-+) 20...Bd5 21.Qb1 (21.Bd4 Ba2 22.Be3 Bc4 23.Na7 Bf1 (23...Re3?! 24.Nc8 Bf1 25.Rf1-+) 24.Rf1 Rb8-+ (24...Re3?! 25.Nc8 Bc5 26.Rb1-+)) 21...Ne4 22.Re1 (22.Na7 Rc5 23.Qe1-+) 22...Nf2 23.Kg1 Nh3 24.Kf1 (24.Kh1 Qg1! 25.Rg1 Nf2) 24…Qf2 0-1. trifunovic67 - Lance5500 (2635), lichess.org, 2020.

7.Be2 Bd6 8.0-0 c5 9.d3 Nc6 10.Nbd2 Bg4 11.c4 d4 12.ed4 cd4 13.Re1 Bc5 14.Rb1 b6 15.h3 Bh5 16.Nf1 Bg6 17.N3d2 Nb4 18.Nb3 Na2 19.Nc5 bc5 20.Bf3 Rb8 21.Re8 Qe8 22.Ng3 Nb4 23.Ba3? (better 23.Be2-/+) 23...Nd3-+ 24.Rb8 Qb8 25.Be2 (25.h4 h6 26.h5-+) 25...Nf2! 26.Kf2 Qf4 27.Bf3 d3 (better 27...Qe3 28.Kf1 Qa3-+) 28.Bc1 Qc4 29.Be3 h6 30.Nf1 a5 (30...Ne4!? 31.Be4 Qe4=+) 31.Nd2= Qc3 32.Qa4 Qc2 33.Qc2 dc2 34.Nc4 a4 35.Ke2 Ne4 36.Be4 Be4 37.Bc1?? (better 37.g3=) 37…Bg2-+ 0-1. bjoernsen (2335) - ProfSLM (2460), Rated Blitz game, lichess.org, 2016.

7.Be2 Nbd7 8.0-0 Nb6 9.a4=+.

7.Be2 Nbd7 8.0-0 Nf8 9.d3 Ng6 10.Nbd2 c6 11.Rb1 Ba5 12.c4 Bc7 13.cd5 Nd5 14.Re1 Qd6 15.Ne4 Qe7 16.Ng3 (16.Qb3 Nh4=) 16...Nh4 17.Nh4 Qh4 18.Bf3 Be6 19.a4 (19.Bd4 Nb6=) 19...Rad8 20.Bd4 (20.Qc2 Nb4 21.Qc3 f6=) 20...b6=+ 21.a5 b5 (21...c5 22.Ba1=+) 22.Ba7 (better 22.Qd2!?=) 22...Ba5-/+ 23.Re2 (23.Bd5!? Rd5 24.Rf1=+) 23...Nc3-+ 24.Qc2 Bc7?? (better 24...Qa4 25.Rf1 Ne2 26.Qe2 Bd5-+) 25.Qc3+- Qg5 (25...Bd7 26.Bd4 Qg5 27.Rc2 Bg3 28.hg3+-) 26.Bd4 (26.Bc6!? Bg3 27.hg3 Rc8+-) 26...Rc8 27.Rc1 Bd7 (27...Bg3 28.fg3 Bg4 29.Rb2 Bf3 30.gf3+-) 28.Qc5 (28.Ne4 Qh6 29.g3 Qg6+-) 28...Qg6 (28...Qc5 29.Bc5 Ra8 30.d4+-) 29.Qh5 (29.Be4 Qh6+-) 29...Qd6 (29...Qd3 30.Rec2 Bg3 31.hg3+-) 30.Qg5 (30.Rec2 Qe6+-) 30...f6 31.Qh4 Qe7 (31...Qa3 32.Rec2 Bg3 33.Qg3 (worse 33.hg3 Qd3 34.Qh5 b4+-; 33.fg3?! Qd3 34.Qh5 Qb3+-) 33...Qd3 34.Bf6+- (34.Bc6?! Rc6 35.Rc6 Bc6+/-)) 32.Nh5 (32.Be4 h6 33.Rec2 Qf7+-) 32...Bf5 (32...g5 33.Qe4 Bh2 34.Kh2 Qd6 35.Kg1 Re4 36.Nf6 (36.Be4?! f5+=; 36.de4?! Rf8 37.Rd2 g4+-) 36...Kf7 37.Bh5 Ke7 38.de4+-) 33.Bf6! Bg6 (33...gf6 34.Nf6 Double attack) 34.Be7 Kh8 35.Bc5 (35.Ng7 Kg7 36.Qf6 Kg8 37.Rc6 Re7 38.Qe7 Bf7 39.Rc7 Rc7 40.Qd8 Kg7 41.Qc7 Kg8 42.Qd8 Kg7 43.Qg5 Kf8 44.Rc2 h6 45.Rc8 Be8 46.Qf6 Kg8 47.Re8 Kh7 48.Be4) 35...Bd8 36.Bd4 (better 36.Qg4 Rc7 37.Nf4+-) 36...Bh4 37.g3 (better 37.Ng7 Red8 38.Ne6 Rd4 39.Nd4 c5+-) 37...Bf6 38.Ng7! Kg7 (38...Bg7 39.Rd2 Combination; 38...Kg7 39.Bf6 Double attack) 39.Bf6 (39.Rc6?! Bd4 40.Rec2 Rcd8 41.Rc7 Kf8 42.ed4 Re1 43.Kg2 Bd3+=) 39...Kf6 40.Rc6 (40.d4 Be4 41.Be4 Re4+-) 40...Kg7? (better 40...Rc6 41.Bc6 Bd3+-) 41.Rc8 (41.d4 b4+-) 41...Rc8 42.Kg2 (42.e4 Rc3 43.Rd2 b4+-) 42...Rb8? (better 42...Bd3 43.Rd2 Rc3+-) 43.Be4 (43.d4 b4+-) 43...b4 44.Bg6 b3 (44...b3 45.Be4 b2+-). Bostonbliz (2500) - AyMisho (2595), Rated Bullet game, lichess.org, 2021.

7.Be2 Nbd7 8.0-0 Nf8 9.d3 Ng6 10.Nbd2 c6 11.Rb1 Bd6 12.a4 (12.c4 b6=) 12...Bc7 13.c4 Qd6 14.cd5 (14.Qc2 dc4 15.dc4 c5=) 14...cd5 (14...Nd5 15.Ne4 Qe7 16.Qb3=) 15.Re1 (15.Qc2 Bb6+=) 15...Nh4 (15...Ng4 16.h3 N4e5 17.Qb3+=) 16.g3 Ng6 17.Qb3 b6 (17...Bd8 18.Rec1+=) 18.Rec1 (18.Bf6 Qf6 19.Qd5 Rb8+/-) 18...Bh3 (18...Bd8 19.Nd4+=) 19.Bf6+/- gf6 20.Nd4 a6 21.Rc6 Qe7 (better 21...Qd7!?+/-) 22.Qd5+- Rad8 (22...Ne5 23.Rc3+-) 23.Qh5 Bc8 (23...Rd4 24.ed4 Qe2 25.Qh3 Qd2 26.Rc7 Qd3 27.Qf1 (27.Rb6?? Re1 28.Kg2 Qe4 29.f3 Qe2) 27...Qd4 28.Qa6+-) 24.Bg4 (24.Ne4 Be5+-) 24...Bb7 (24...Bg4 25.Qg4 Kh8+-) 25.N2f3?? (better 25.Rc4 Be5 26.Nf5+-) 25...Bc6+/- 26.Nc6 Qd6 27.Nd8 Qd3 28.Rc1 Bd8 29.Bf5 Qd6 (29...Qa3 30.Rc4+/-) 30.Nd4+- b5 (30...Be7 31.Qe2 Qa3 32.Rb1 Qa4 33.Rb6+-) 31.ab5 ab5 32.Nb5 Qb6 33.Nd4 Qb2 (33...Bc7 34.Rb1 Qa5 35.Rd1+-) 34.Rc2 Qb3?? (34...Qa1 35.Kg2+-) 35.Kg2 (better 35.Nb3 Be7 36.Rc7+-) 35...Qb7 36.Kg1?? (36.Nc6 Bc7+-) 36...Bb6?? (36...Qb1 37.Kg2 Qb7 38.Nc6 Bc7+-) 37.Nf3 Qa8 38.Kg2 Ne5 (38...Re5+-) 39.Bg4 (better 39.Qh7 Kf8 40.Be4+-) 39...Qe4+/- 40.Bf5 Qf3?? (40...Qa8 41.Qh7 Kf8+-) 41.Qf3+- Nf3 42.Kf3 Re5 (42...Re5 43.g4 Kg7+-). Bostonbliz (2505) - AyMisho (2595), Rated Bullet game, lichess.org, 2021.

7.Be2 Bf8 8.0-0 c5 9.d3 Nc6 10.Nbd2 Bg4 11.c4 dc4 12.Nc4 Qc7 (12...b5 13.Nce5 Ne5 14.Ne5 Be2 15.Qe2=) 13.h3 Bh5 (13...Be6 14.Bf6 gf6 15.Rb1=) 14.Rc1 (14.Bf6 gf6 15.Rb1 Rad8+=) 14...Rad8 (14...Be7 15.Nce5=) 15.Bf6+= gf6 16.Qb3 Bg6 17.e4 (17.Rfd1 f5=) 17...a6 18.Qb6 (18.Ne3 f5 19.ef5 Bf5 20.Nf5 Re2+=) 18...Qc8 (better 18...Qb6!? 19.Nb6 f5-/+) 19.Rb1= Nb4 20.Ne1 (better 20.Rb3!?=) 20...Re6-/+ 21.Qa7 (21.Qa5!? Nc6 22.Qd2 Re4 23.de4 Rd2 24.Nd2-/+) 21...b5-+ 22.Nb6 Qb8 (better 22...Qc6 23.Nd5 Nd5 24.ed5 Qd5-+) 23.Qb8= Rb8 24.a3? (24.Nd7!? Rd8 25.Nf8 Kf8 26.a3=+) 24...Reb6 (24...Rbb6 25.ab4 f5 26.bc5 Bc5 27.Rc1-/+) 25.ab4 cb4 26.f4 (26.h4 Re8-/+) 26...f5 27.e5 Bc5 28.Kh1 a5 29.Nc2 f6 (29...Rc6 30.d4 Bb6 31.Nb4 ab4 32.Rb4-/+) 30.d4 Bf8 31.d5? (31.h4-/+) 31...a4?? (better 31...fe5 32.fe5 f4-+) 32.Nb4=+ fe5 33.fe5 f4 34.Bd3? (better 34.Nc6 Bb1 35.Nb8 Rb8 36.Rb1-/+) 34...Bb4-+ 35.Bg6 hg6?? (better 35...Bc3 36.Bf5 Be5-+) 36.Rb4= a3 37.Ra1 Ra8 38.Ra2 (38.h4+=) 38...Kf7 (38...g5 39.g3 fg3 40.Kg2=) 39.Kg1 (39.Rf4 Ke7 40.Raf2+-) 39...g5=+ 40.Kf2 Kg6 (40...Rd8 41.d6 Ke6 42.Ra3 Ke5 43.Ra5 Rdd6 44.Rab5 Rb5 45.Rb5 Kf6 46.Rb3=) 41.Kf3 (41.g3 fg3 42.Kg3 Kf5=+) 41...Kf5=+ 42.e6 Ke5 43.Re4? (better 43.Kg4!?=+) 43...Kd5-+ 44.e7 b4?? (better 44...Rbb8-/+) 45.Rd2+- Kc5 46.e8Q (better 46.Rd8 a2 47.Re5 Kc4 48.Ra8+-) 46...Re8= 47.Re8 b3 48.Rc8 Kb4 49.Rd4 Kb5 50.Rd5 Ka6 51.Ra8 Kb7 52.Ra3 b2 53.Rd1 b1Q 54.Rb1 Rb1 55.Ra5 Rb3 56.Kf2 Rg3 (56...Rg3 57.Rf5 Kc6+-). bjoernsen (2280) - topce (2370), Rated Blitz game, lichess.org, 2016.

7.Be2 Bg4 8.0-0 Bd6 9.d3 c5 10.Nbd2 Nc6 11.Rb1 b6 (11...Rb8 12.c4=+) 12.c4 dc4 13.Nc4 Bc7 14.Qa4 Bd7 15.Qd1 (15.Qa3=) 15...b5 (better 15...Rb8!?=+) 16.Bf6+= Qf6 17.Rb5 Nd4 (17...Qe7!? 18.Rb1 Rab8+/-) 18.Rc5+- Ne2 (18...Ne6 19.Rh5+-) 19.Qe2 Rac8 20.d4 Bg4 21.Rc1 Bb8 22.Ncd2 Rc5 23.Rc5 Bd6 24.Rc1 Rb8 (24...a6 25.Rd1+-) 25.Ne4 Qe7 26.Nd6 Qd6 27.Qc4 h6 28.Ne5 Be6 29.Qc6 Rc8?? (29...Qa3 30.Qc5 Qa2+/-) 30.Qc8 (30.Qd6?? Rc1) 30...Bc8 31.Rc8 Kh7 (31...Qf8 32.Rf8 Kf8 33.Nf7 Kf7+-) 32.h3 (better 32.Rh8! Kh8 33.Nf7 Kg8 34.Nd6+-) 32...Qe6 (32...Qb4 33.Kh2 Qb2 34.Nf7 Qf2 35.Rh8 Kg6 36.Ne5 Kg5 37.Rg8 Qe3 38.Rg7 Kf5 39.Rf7 (39.Ra7?! Qf4 40.Kh1 Qc1 41.Kh2 Qf4 42.Kh1 Qc1 43.Kh2 Qf4=) 39...Ke4 40.Nf3+/- (40.Ra7?! Qf4 41.Kg1 Qc1 42.Kh2 Qf4 43.Kh1 Qc1 44.Kh2 Qf4=)) 33.Rc7 (33.Rc2 f6 34.Nc4 Qe4+/-) 33...f6 (33...Qa2 34.Rf7 a5+/-) 34.Nd3 (better 34.Nd7!? Qa2 35.Nf6 Kg6 36.Nd7+/-) 34...Qa2= 35.Nf4 Kg8 36.Nh5?? (36.g4 Qb1 37.Kg2+/-) 36...Qb1-+ 37.Kh2 Qb8 0-1. bjoernsen (2325) - LaTrainee (2250), Rated Blitz game, lichess.org, 2016.

5.c3 Ba5

6.Na3 Nc6 7.Bg3 Ne4 8.Qc2 d5 9.e3 Ng3 10.hg3 h6 11.d4 Bg4 12.Bd3 (better 12.Rh4!? f5 13.Bb5=) 12...Bf3-/+ 13.gf3 Nd4 (13...Qe7!? 14.Qb2 Nd4-/+) 14.ed4=+ Qe7 15.Kf1 (15.Kd2 Qa3 16.Rab1 b6-/+) 15...Qa3 16.Rc1 Rfe8 17.Kg2 c5 18.Rh5 (18.Qb3 Qb3 19.ab3 cd4 20.cd4 Bb6-/+) 18...Rac8 19.Bh7 (19.Re5 Re5 20.de5 c4 21.Bh7 Kh8-+) 19...Kf8 20.Rch1 (20.Rb1!? Qc3 21.Rd5 cd4 22.Rb7-/+) 20...cd4 21.Qf5 (21.Rd5 Bc3 (worse 21...Qc3 22.Qf5 Bd8 23.Rd7-+) 22.Rd7 Rb8-+) 21...dc3 (21...Rc3?! 22.Qd5 Bd8 23.Re5 Re5 24.Qe5-+) 22.Qd5 Bb6 23.Rf5 Rc7?? (23...Re7 24.Bg6 Kg8 25.Rf7 Qc5-/+) 24.Bg6+/- Pawn f7, live or die! 24...Ree7?? (24...Qe7 25.Re1 Qd7 26.Bf7 A) 26...Re1? 27.Be6 Ke8 28.Bd7 (28.Qd7 Rd7 29.Bd7 Kd7 30.Rd5 Ke6-+) 28...Rd7 29.Qg8 Ke7 30.Qg7 Kd6 31.Qh6 Kc7 32.Qf4 Kc8 33.Rf8 Rd8 34.Qc4 Kb8 35.Rd8 Bd8 36.Qc3+-; B) 26...Qf7 27.Qd6 Rce7 28.Re7 Re7 29.Qb8 Re8 30.Rf7 Kf7 31.Qb7 Kf8+-) 25.Bf7! (25.Bf7 Rcd7 26.Bg6 Rf7 27.Rf7 Kg8 28.Rd7 Kh8 29.Rh6 gh6 30.Rh7) 1-0. frozen_shadow (2180) - mafioso_1 (2295), Rated Blitz game, lichess.org, 2016.

6.Na3 d5 7.Qa4 Bb6 8.e3 Nbd7 9.Bg3 Ne4 10.Qc2 Qe7 11.Nb5 Ndf6 12.Be5 c6 13.Nbd4 Ng4 14.Bg3 c5 15.Ne2 Bf5 16.d3 Ng3 17.Ng3 Rfe8?? (better 17...Bd7=+) 18.Nf5+- Qf6 19.Ng3 (19.d4 Ba5 20.Rc1 Rac8+-) 19...Ba5 20.d4?? (better 20.Ne2+-) 20...cd4=+ 21.Nd4?? (21.0-0-0 Rec8 22.c4 (22.Nd4?? Rc3 23.Be2 Nf2-+) 22...de3 23.Rd5 Nf2 24.Rg1= (24.Ra5? Qa1 25.Qb1 Qc3 26.Qc2 Qa5-+)) 21...Qd4 22.Rc1 Ne3! 23.fe3 (23.fe3 Re3 Double attack) 23...Re3 24.Be2 (24.Ne2 Rae8 25.Qd2-+) 24...Rc3 25.Qc3 Bc3 (25...Qc3?! 26.Rc3 Bc3 27.Kf2=) 26.Rc3 Qc3 27.Kf2 Qd4 28.Kf3 (28.Ke1 Re8 29.Nf5 Qe5 30.Kf2 Qe2 31.Kg3 Qe5 32.Kh4 Qf6 33.Kg3 Qg5 34.Kf3 Qf5 35.Kg3 Re3 36.Kh4 Qf4 37.g4 Qh6) 28...Re8 29.Rd1 Qe5 (29...Qe3!? 30.Kg4 Re4 31.Ne4 Qe2 32.Kh3 Qd1 33.Nf2-+) 30.Rd3 (30.Kf2-+) 30...h5 31.Kf2 h4 32.Bg4 hg3 33.hg3 (33.Kf3 g5 34.Be6 Qe4 35.Kg3 Qf4 36.Kh3 Qh4) 33...Qe1 34.Kf3 d4! 35.Bf5 (35.Rd4 Qe3 Mate attack) 35...g6 36.Kg4 gf5 37.Kh5 (37.Kg5 Qe7 38.Kh6 Qd6 39.Kg5 Qg6 40.Kf4 Qg4) 37...Qe2 (37...Qe6 38.Rd4 Qg6 39.Kh4 Qh6) 38.Rf3 Qf3! 39.Kg5 (39.gf3 d3 Passed pawn) 39...d3 (39...Qg4 40.Kf6 Re6) 40.gf3 d2 41.f4 (41.Kh6 d1Q 42.Kg5 Qf3 43.a4 Qg4 44.Kf6 Re6) 41...d1Q 42.Kf5 (42.Kh6 Re6 43.Kg5 Qg4) 42...Qh5 43.Kf6 Qg6 0-1. rob188 (2525) - zumpili (2355), Rated Blitz game, lichess.org, 2020.

6.Na3 d5=+ 7.e3 c5 8.Nc2 (8.Nb5 a6 9.Nd6 Nc6=+) 8...Nc6 9.Bg3 Ne4 10.Be2 (10.Bb5 Nc3 11.dc3 Bc3 12.Nd2 Ba1 13.Na1 Qf6=+) 10...Qe7 (10...Bf5 11.0-0=+) 11.0-0 Bf5 (11...Ng3 12.fg3 Bf5 13.Nh4=+) 12.Rb1 a6 13.Nh4 Be6 14.Nf3 h6 15.Na1 Bf5 16.Rb2 b5 17.Nb3 Bb6 18.Qc1 Qf6 19.Nh4 Bh7 20.Nf3 Rfe8 21.d4 c4-/+ 22.Nbd2 Ng3 23.fg3 Qe7 24.Nb1? Qe3 25.Qe3 Re3 26.Rf2 Rae8 27.Bd1 Bd3 28.h3 Re1! 29.Ne1 Re1 30.Kh2 Rd1 31.Nd2 Nd4! 32.cd4 Bd4 33.Rb4 Bf2 0–1. mic (2100) – xadrezbr (2730), net–chess.com, 2008.

6.Na3 d5 7.e3 Re8 8.Qa4 Bb6 (better is 8...Nc6!?+=) 9.Bf6+= gf6 10.Bd3 Bd7 (10...Bc5!?+=) 11.Qh4+/– f5 12.Ng5 Be6 (12...Qf6!? 13.Qh7 Kf8+/–) 13.Qh7 Kf8 14.Qh6 (14.h4 Qf6+-) 14...Ke7 15.Ne6 fe6 16.Qg7 Kd6 17.Nb5 Kc6 18.Nd4 (18.c4 dc4 19.Bc4 a6+-) 18...Kd6+/– 19.f4 Bd4 20.Qd4 Nc6 21.Qa4 Qh4 22.g3 Qf6 23.Rb1 b6? (better is 23...Reb8+-) 24.Bb5 a6 25.Bc6 b5 26.Bb5! ab5 27.Qb4 c5 28.Qb5 Ra2 29.Qe8 d4 30.Rb6 Kd5 31.Qd7 Ke4+- 32.Re6 Qe6 33.Qe6 Kd3 34.Qa2 (34.Qa2 de3 35.Qa6 c4 36.Qa2 ed2 37.Qd2 Ke4 38.Qd1 Ke3 39.Qe2#) 1–0. Jaskulski,Klaus (1865) – Schmid,Floyd, Berlin Unicorn op, 2008.

6.Qa4 b6 7.Ng5 d6?? 8.Bf6+- Qf6 9.Qe4 c6?? 10.Qh7# 1–0. SIRMO – Steve20, ChessWorld.net, 2006.

6.Qa4 Bb6 7.e3 d6 8.Bf6 Qf6 9.d4 Bd7 10.Qc2 Bc6 11.Nbd2 d5 (11...Re8 12.Bd3 Qh6 13.a4+=) 12.Ne5 Be8 13.a4 a5 14.Bd3 g6 15.0-0 c5 (15...Nc6 16.Nc6 Bc6 17.c4+=) 16.Qb2 Nd7 17.Ndf3 (17.Rfb1 Bc7 18.Qb7 Ne5 19.de5 Qd8+/-) 17...c4+= 18.Bc2 Ra6 19.Rfe1 Ne5 20.Ne5 Bc6 21.e4 de4 (better 21...Bc7!? 22.ed5 Bd5+/-) 22.Be4+- Rd8 23.Bc6 bc6 24.Re3 c5 25.Rf3 (25.Qb5 Ba7 26.Rf3 Qe6 27.Nf7 Rb8+-) 25...Qe6+/- 26.Nf7 (26.Qb5 Raa8 27.Nc4 cd4 28.Nb6 Rab8+/-) 26...Re8 27.Nh6 Kh8 (better 27...Kg7!? 28.Re3 Qc8 29.Re8 Qe8 30.dc5 Bc7+-) 28.Re3+- Qd7 29.Re8 Qe8 30.d5 Qf8 31.Qb5 Qc8?? (31...Ra8 32.Qb6 Qh6+-) 32.Re1 Kg7 (32...Ra8 33.Qb6 Qf8+-) 33.Re7 Kh6 34.Qc4 g5 35.Qe4 (better 35.Qd3 Qg8 36.Qa6 Qg6+-) 35...Qg8 36.Re6 Kh5 (36...Qg6 37.Rg6 hg6+-) 37.g4 Kh4 38.Rh6 1-0. LSGUK (2290) - Haroldlee123 (1680), ChessWorld.net, 2013.

6.Qa4 Bb6 7.e3 d6 8.Bg3 Bf5 9.d3 Nc6 10.Be2 h6 11.Nh4 Bh7 12.Nd2 Nd5 13.Qc4 Nce7 14.e4 Nf6 15.0-0 c6 16.Kh1 d5 17.ed5 cd5 18.Qb3 Qd7 19.Be5 Ng4 20.Bg3 f5 21.h3 Nf6 22.Ndf3 (22.Nhf3 Ng6=) 22...g5 23.Ne5 Qe6 24.Nhf3 f4 25.Bh2 Bc7 26.d4 Ne4 27.Bd3 b6? (27...Nc6 28.Rae1=) 28.Be4?? (better 28.Rae1 a5 29.a4+-) 28...Be4= 29.Nd2 Bf5 30.Rae1 Qf6 31.Ng4 Bg4 32.hg4 Rad8 33.Qa3 (33.Re2 Rfe8+=) 33...Ng6 (33...Nc6!?=) 34.Qa7+= Rf7 35.Nb3?? (35.Qa4 Nh4+/-) 35...Nh4 (35...f3 36.g3 Bg3 37.Qf7 Qf7 38.fg3 Ra8-+) 36.f3= h5 37.gh5 Nf5 38.Qa4 (38.Rf2 Qh6 39.Rfe2 Ng3 40.Bg3 fg3-+) 38...Qh6 (38...Ne3 39.Rf2=+) 39.Nd2 (39.Re8 Re8 40.Qe8 Kg7+=) 39...Qh5 (better 39...Kg7 40.Kg1 Qh5-+) 40.Kg1?? (better 40.Re8 Kg7 41.Rfe1=) 40...Ne3 (better 40...Rh7 41.Kf2 Qh4 (41...Qh2?! 42.Re8 Re8 43.Qe8 Kg7 44.Qd7 Kf6 45.Qc6 Bd6 46.Qd5 Qg2 47.Kg2 Ne3 48.Kg1 Nd5 49.Ne4 Ke7 50.Rb1-+) 42.Ke2 Qh2-+) 41.Re3?? (better 41.Qc6 Rh7 42.Qe6 Qf7 43.Qc6-/+) 41...fe3-+ 42.Nb3 (42.f4 Rh7 43.Nf3 Bf4 44.Re1-+) 42...Rh7 (42...Qh2) 43.Qe8 (43.Qe8 Re8 44.Rb1 Qh2 45.Kf1 e2 46.Ke1 Bf4 47.c4 Qg3; 43.Rc1 Qh4 44.Qe8 Re8 45.f4 Bf4 46.g3 Qh2 47.Kf1 Qf2). beatmeeasy (2025) - FritzScholz (2050), lichess.org, 2021.

6.Qc2 Nc6 7.e3 Ne5 8.Ne5 c5 9.Bc4 Qe7 10.Nf3 d5 11.Be2 Bd7 12.0-0 Rac8 13.Na3 a6 14.Rab1 b5 15.h3? b4-+ 16.Ba6 Ra8 17.Bb7 Ra7 18.cb4 cb4 19.Bd5 Nd5 20.Nc4 Rc8 21.Qd3 Bb5 22.Rfc1 Nb6 23.Nb6 Rc1 24.Rc1 Bd3 25.Nc8 Qc7! 26.Rc7 Rc7 27.Nd6 Rc1 28.Kh2 Bc7 29.g3 Bd6 30.Nd4 Ra1 0–1. SIRMO – smoothmovermovesagain, ChessWorld.net, 2006.

6.Qc2 Nc6=+ 7.Bg3 d6 8.e4 Ne4!-/+ 9.Bd3 f5 10.0-0 d5 11.c4? Be6 12.cd5 Bd5 13.Nc3 Bc3 14.dc3-/+ Qf6 15.Be4 fe4=+ 16.Nd2 Rae8 17.Rfe1 Qf5 18.c4 Bf7 19.Re4? Bg6-+ 20.Rae1 Qc5 21.Qc3 Be4 22.Ne4 Qd4 23.Qd4-/+ Nd4 24.Bc7 Rc8 25.Bd6=+ Rfe8 26.c5 b6-+ 27.f3 bc5 28.Kf2 c4 29.Bb4 Nc2 30.Rb1 Rb8 (30...Rb8 31.a3 a5-+) 0–1. alaamattar (2135) – hockhin (2080), net–chess.com, 2005.

6.Qc2 d6 7.Bg3 Bb6 8.d4= Re8 9.e3 d5 10.Bd3 Ne4 11.Nbd2 Bf5 12.a4 (12.Ne4 de4 13.Bc4 Nc6= (worse 13...ef3 14.Qf5 fg2 15.Bf7 Kh8 16.Rg1+/-)) 12...c6 (12...Ba5 13.Be4 de4 14.Ne5=) 13.0-0 (13.Be4 Be4 14.Ne4 de4+=) 13...Nd7 (13...Ng3 14.fg3 (worse 14.Bf5 Nf1 15.Bh7 Kf8 16.Rf1 g6-/+) 14...Bd3 15.Qd3=) 14.Rfb1 (14.Be4 Be4 15.Ne4 Re4 16.Rfb1+/-) 14...Ba5 (14...Ndf6 15.Ne4 de4 16.Bc4+=) 15.Nh4 (15.Rb7!? Qc8 16.Rb3+/-) 15...Nd2= 16.Nf5 Nb1 17.Rb1 Bc7 18.Rb7 Bg3 19.hg3 (19.Ng3 Nf6=) 19...Nf6 (19...g6 20.Nh6 Kg7 21.Ng4=) 20.c4= Rb8 21.Ra7 Ne4 (21...Qb6!? 22.Re7 Re7 23.Ne7 Kf8=) 22.c5 (22.cd5 cd5 23.Bb5 Re6+/-) 22...Qf6 (22...Re6 23.a5+/-) 23.Be4+/- de4? (better 23...Re4 24.Nd6 Re7+/-) 24.Nd6+- Re7 (24...Re7 25.Ne4 Qe6+-). ClayPigeons (2200) - hamidbaba (2095), Rated Blitz game, lichess.org, 2020.

6.Qc2 Re8 7.e3 Nc6 8.Bf6 Qf6 9.Be2 d5 10.0-0 Bb6 11.d4 Bf5 12.Qb3 Rad8 13.Nbd2 Na5 14.Qb4 c6 15.c4 Nc4 16.Nc4 dc4 17.Bc4 Be4 18.Ne5 Re7 19.Qb3 c5-/+ 20.dc5 Bc5 21.Nd3-/+ Bd6 22.Rad1 Rf8 23.Bd5=+ Qh6 ½–½. Bommert,Christian – Hellwig,Thomas (1765), Dortmund op–B, 2004.

6.c4 Re8 7.Bb2 Nc6 8.a3 d5 9.cd5 Nd5 (worse 9...Qd5 10.Bf6 gf6 11.e3=) 10.e3 Bg4 11.Be2 Bf3 (11...Qd6=+) 12.gf3? (better 12.Bf3!? Ne5 13.Be5 Re5 14.Qb3=) 12...Qh4-/+ 13.Rg1 g6 14.Rg2?? (better 14.Kf1 Qh2 15.Bb5-/+) 14...Ne3-+ 15.Qb3 Ng2 16.Kd1 Qf2 17.Nc3 Nd4 18.Ne4 Qe2 (18...Qe1) 19.Kc1 Nf3 (19...Nb3 20.Kc2 Qc4 21.Bc3 Bc3 22.dc3 Nd4 23.Kc1 Qf1 24.Kb2 Qe2 25.Nd2 Qd2 26.Kb1 Re1) 20.Nf6-+ Kf8 21.Nh7 Ke7 22.Bf6 Kd7 (22...Kd6 23.Kb2 Nd2 24.Rd1-+) 23.Kb2 (23.Qd5 Kc8 24.Qa5-+) 23...Qd2 24.Qc2 Qc2 25.Kc2 Re2 26.Kd3 Rd2 (26...Nf4 27.Kc4 Nd2 28.Kb5 a6 29.Ka5 b6 30.Kb4 Nd5 31.Ka4 b5 32.Ka5 Nc4) 27.Ke4 Re8 (27...Nh2 28.Nf8 Rf8 29.Rf1 c5 30.Rf5 Re8 31.Be7 Re7 32.Re5 f5) 28.Kf3-+ Rd3 (better 28...Ne1 29.Re1 Re1 30.h4-+) 29.Kg2 Re2 30.Kf1 Rh2 31.Bd4 (31.Nf8 Ke8 32.Bg7 Rc2-+) 31...Rh7 (31...Rd4 32.Kg1 Rdh4 33.Nf6 Ke6 34.Rb1 Rh1 35.Kg2 Rb1 36.Kf3 Rh3 37.Kf4 Bd2 38.Kg4 Rbb3 39.a4 Rbg3) 32.Bf2 Rh1 33.Kg2 Ra1 34.Bg3 Ra2 35.Bf2 Raa3 (35...Bb6 36.Kf1 Rf2 37.Ke1 Ra3 38.Kd1 Ra1) 36.Bg1 (36.Bg3 Rg3 37.Kh1 Rg5 38.Kh2 f5 39.Kh1 Rh3) 36...Ra2 37.Bf2 Bb6 38.Kf1 Rf2 39.Kg1 (39.Ke1 Rh3 40.Kd1 Rh1) 39...Ra3 (39...Rd1) 40.Kh1 Ra1 0-1. alanme1 (2125) - rilke (2295), Rated Bullet tournament, lichess.org, 2016.

6.d4 c5 7.e3 Nc6 8.Bg3 Ne4 9.Qc2 ½–½. Vannay,Janos (2080) – Toth,Mate (2170), Budapest FS09 schev, 1998.

6.d4 Nc6 7.Bg3 d5 8.e3 Re8 9.Bd3 Ne4 10.Qc2 Bf5 11.0-0 Qd7 (11...Ng3 12.hg3 Bd3 13.Qd3=+) 12.a3 (12.Bf4 Qe7=) 12...Ng3=+ 13.hg3 Bd3 14.Qd3 Re6 15.c4 dc4 16.Qc4 Rh6 (16...Rd8 17.Nc3=) 17.Nc3 (17.Rc1 Rb8=) 17...Qf5 18.Qb5 (18.Qd5 Qg6 19.Ne2=) 18...Qc2?? (better 18...Qb5 19.Nb5 a6-/+) 19.Rfc1+= (19.Qb7? Rb8 20.Qa6 Bc3-+) 19...Qg6 20.Qb7 (better 20.Nh4 Qh5 21.d5 (worse 21.Qb7 Rb8 22.Qa6 Bc3=+) 21...Bc3 22.Rc3+=) 20...Qh5?? (20...Rb8 21.Qa6 Bc3 22.Rc3 Qh5-+) 21.Kf1 (21.Qa8 Nd8 22.Qd8) 21...Re8?? (better 21...Rb8 22.Qa6 Bc3-/+) 22.Ke2?? (better 22.Ne2!? Rb8 23.Qa6 Qh1 24.Neg1+=) 22...Rhe6 (better 22...Rb8 23.Qb8 Nb8-+) 23.d5=+ Nd4 24.Kd3 Nf3?? (better 24...Rb6 25.Qb6 Bb6 (worse 25...ab6 26.Nd4 Qe5 27.Ncb5=+) 26.Nd4 Qg6 27.Kc4 Bd4 28.ed4 c6-+) 25.de6+= (25.gf3 A) 25...Qf3?! 26.Qb5 (26.Qa7? Bc3 27.de6 Ba1 28.Qc7 Qd5 29.Ke2 Qa2 30.Qc2 Qa3-+) 26...Re3 27.fe3 Re3 28.Kc2 Rc3 29.Kb2 Qf2 30.Kb1-/+; B) 25...Rb6 26.Qc7 Qf5 27.Kd4 Rb4 28.ab4 Bc7-+) 25...Qf5 (25...Ne5 26.Kc2 Qf5 27.Ne4 Qe6 28.Qb5= (28.Qa7 Qc4 29.Nc3 Qc3 30.Kd1 Qd3)) 26.e4 (26.Ke2 Qe6 A) 27.Kf3?! Bc3 28.Rab1 h5=; B) 27.Qf3?? Qc4 28.Ke1 Bc3 29.Rc3 Qc3 30.Ke2 Qb2 31.Ke1 Qa1 32.Qd1 Qa3-+; C) 27.gf3?? Qc4 28.Kd2 Rd8 29.Kc2 C1) worse 29...Qc3 30.Kb1 Qd2 31.Ra2 (31.Qa7?? Qd3 32.Rc2 Qb3 33.Kc1 Bc3-+) 31...Qd3 32.Rcc2=; C2) 29...Bc3-+; D) 27.Nb5+-) 26...Qe6?? (better 26...Ne5 27.Ke2 Qe6+/-) 27.gf3+- Rd8 (27...Qf6 28.f4 Rd8 29.Nd5+-) 28.Ke3 (28.Nd5!? f5 29.Qa7 Bb6+-) 28...Qh6 (28...Bb6 29.Ke2 Qc4 30.Ke1 Qd3+-) 29.f4 Bb6 30.Kf3 Qh5 (30...Qh2 31.Rf1 Rd3 32.Ke2+-) 31.Kg2 Qg4 (31...Qc5 32.Ra2+-) 32.Nd5 Rf8 (32...Qe6 33.Nc7 Qe7 34.Rc4+-) 33.Ne7 (33.Nb6 cb6 34.Qa7 Qg6+-) 33...Kh8 34.Qc6 (34.Qd5 Qe2 35.Ra2 Qa6+-) 34...Qe6 (34...Qe2 35.Qc2 Qg4+-) 35.Qd5 (better 35.Qe6 fe6 36.Rh1+-) 35...Qe4?? (better 35...Qe7 36.Qe5 Qd7+-) 36.Qe4 Rg8 37.Qh7! (37.Qh7 Kh7 38.Rh1) 1-0. ClayPigeons (2130) - Jet575 (2205), Rated Bullet game, lichess.org, 2020.

6.d4 Nc6 7.Bf6 Qf6 8.e4 =+.

6.e3 c5 7.Bc4 Nc6 8.Bd6+= Re8? 9.0-0?? Ne4-/+ 10.Bg3 d5 11.Bb5 Bg4 12.Bc6 bc6 13.Qc2 Qf6 14.Ne5 Re5 15.Be5 Qe5 16.f3 Bc7 17.f4 Qh5 18.d3 Nf6 19.Nd2 Re8 20.Nf3 Re3 21.Qd2 Bf4 22.d4 Rf3 23.gf3 Bd2 (23...Bd2 24.Rab1 Be3 25.Rf2 Bf2 26.Kf2 Qh2 27.Ke3 Ne4 28.Rb8 Qb8 29.fe4 Qg3 30.Kd2 Qf2 31.Kc1 Qe1 32.Kc2 Bd1 33.Kb1 Ba4 34.Kb2 Qd2 35.Ka3 Qc3 36.Ka4 Qb4) 0–1. slavisa11 – MrsX, Live Game Caissa's Web, 2004.

6.e3 Nc6 7.Be2 Ne5 8.Ne5 Re8 9.Nc4 Bb6 10.Nb6 ab6 (10...cb6?! 11.Na3=) 11.0-0 d5 12.d4 c6 13.c4 Be6 14.Nd2 Ra3 15.Qc2 dc4 16.Bc4 b5 17.Be6 Re6 18.Rfb1 Nd5 19.Rb3 Ra4 20.Rab1 Qa8 21.R1b2 g6 22.h3 Nb6 23.Rb4 Rb4 24.Rb4 Nd5 25.Rb2 Ne7 (25...Qa3!? 26.Rb3 Qa4=) 26.e4= Rd6 27.Qc5 Qd8 28.Nb3 Nc8 29.Rd2 Nb6 30.Qb4 Nc4 31.Re2 Qa8 32.Qc3 Qa3 33.Qg3 Rd7 34.Qb8 Qf8 35.Qf4 Qd8 36.Qg4 Re7 37.f4 Nd6 38.Nc5? (38.f5!?=) 38...f5 (better is 38...b6!? 39.Nb3 Ne4-+) 39.ef5-/+ Nf5 40.Re7 Qe7 (40...Ne7? 41.Qe6 Kg7 42.Qe5 Kf7 43.Nb7+-) 41.Kh2 Nd4 42.Qc8 Qf8 43.Qf8 Kf8 44.Nb7 Ke7 45.Kg3 Nc2 (45...Ne2 46.Kg4-/+) 46.Nc5+= Nd4 47.Kf2 Ne6 48.Nd3 Kd6 49.Ke3 c5 50.g3 Kd5 51.Ne5 c4 52.a3 (better is 52.Nd7!?=) 52...Nd4-/+ 53.Kd2 g5 0–1. algernon (2440) – sisterofmercy (2470), net–chess.com, 2015.

6.e3 Nc6 7.Bf4 Re8 =.

6.e3 Nc6 7.Bg3 d5 (7...d6 8.Bb5=) 8.Be2 Ne4 9.0-0 (9.Bh4 g5 10.Bg3 h5=) 9...Ng3 10.hg3 (10.fg3 Qd6=+) 10...Ne7 (10...Re8 11.Qc2=+) 11.Kh2 (11.d4 Re8=+) 11...c5 12.d4 c4-/+ 13.Nbd2 Bc3-+ 14.Rc1 Bb4 15.Rh1 Bf5 16.Nh4 Be6 17.Rb1 Qa5 18.Nf1 b5 19.g4 Bd6 20.g3 Qa2 21.Rb5 Rab8 22.Rb8 Rb8 23.Nd2 Rb2 24.Nhf3 Bg4 25.Qc1 Bf3 26.Bf3 Rd2 27.Rf1 Rf2 28.Rf2 Qf2 (28...Qf2 29.Bg2 Nf5-+) 0–1. mic (2125) – energy (2575), net–chess.com, 2008.

6.e3 d6 7.Bf4 =.

6.e3 Re8 7.Be2 c5 8.0-0 d5 9.Bf6 (9.Bb5 Nbd7 10.Bf6 Qf6=+) 9...Qf6=+ 10.d4 c4 11.Ne5 Nc6 12.Nc6 bc6 13.Qa4 Bc7 14.Nd2 Qd6 15.g3 Bf5 16.Bd1 Rab8 (16...Bd3 17.Re1-/+) 17.Bc2=+ (worse 17.Qa7 Ra8 18.Qc5 Qd7 19.Nc4 Bd3-/+) 17...Bh3 18.Rfb1 h5 (18...Bb6 19.Rb2=+) 19.e4 h4 20.e5 (20.Rb8 Bb8 21.Rb1 Qe6=) 20...Qh6=+ 21.Nf3 (21.Qa7 Qd2 22.Rc1 Bb6-+) 21...hg3 22.hg3 Bb6 23.Qa3 f6 24.Qc1 (24.Qd6 Qh5 25.Bd1 Bg4=+) 24...Qc1 25.Rc1 Bg4 26.Nh2 Bh3 27.Ba4 (27.Nf3!?=) 27...Re6 (27...fe5 28.Bc6 ed4 29.Nf3-/+) 28.Nf3 Bg4 29.Nh2 Bh5 (worse 29...fe5 30.Ng4 ed4 31.Re1+=) 30.Kg2 (30.ef6!? Rf6 31.Rcb1=+) 30...fe5-/+ 31.de5 Re5 32.Bc6 Rc8 33.Bd7 Rd8 34.Bg4 Bg6 Black prepares d4 35.Bf3 (35.Re1 Re4-/+) 35...d4 36.Ng4 Ra5 37.cd4 (better 37.a3!?-/+) 37...Bd4-+ (37...Rd4?! 38.Rc3-/+) 38.Rd1 c3 (better 38...Bd3!? 39.Rac1 Ra2-+) 39.Rac1-/+ c2 40.Rd2 Ra2 (40...Kf7!?-/+) 41.Ne5= Bf5 (better 41...Be8=) 42.Nc6 Rd6? (42...Ra1 43.Rcc2 (43.Nd8? Rc1 44.Rd4 Rb1-+; 43.Rd4 Rc1 44.Rd8 Kh7-/+) 43...Rd7 44.Rd4 (44.Nd4?! Rd4 45.Rd4 Bc2=) 44...Rd4 45.Ne7 Kh7 46.Nf5+-) 43.Nd4 (better 43.Ne7 Kh7 44.Nf5+-) 43...Bg6 (43...Rb2 44.Rdc2 Bc2 45.Nc2+/-) 44.Nb3 Rd2 45.Nd2 Rb2 46.Be4 Rb1? (46...Be4 47.Ne4 a5+-) 47.Rc2 (47.Rc2 Be4 48.Ne4+-; 47.Bg6?! Rc1 48.Nb3 Re1 49.Bc2 Kf7+/-) 1-0. Wong,Yinn Long (2380) - Gorovets,A (2490), Titled Tuesday, 2021.

6.e4 Ne4 7.Qa4=+ Bb6 8.Qe4= d6 9.Bd3 f5?? 10.Qd5+- Kh8 11.Bg7?? Kg7= 12.0-0 Qf6 13.Re1 c6 14.Qb3 Nd7 15.Na3 Nc5 16.Qc2= Nd3 17.Qd3 Bd7 18.Nc4 Rae8? 19.Nb6 ab6+= 20.a4 Re6 21.Re3 Rfe8 22.Rb1 b5 23.ab5 cb5 24.Nd4 Re5 25.Nb5 Bb5 26.Rb5 Rb5 27.Qb5 Re3 28.Qb7?? Re7-+ 29.Qb1 Qe5 30.g3 Qe1 31.Qe1 Re1 32.Kg2 Re2 33.d3 Rd2 34.d4 Rd3 35.Kf1 Rc3 36.Ke2 Kf6 37.h4 h5 38.Kd2 Rf3 39.Ke2 Ra3 40.Kd2 Ke6 0–1. tightfist (2200) – hockhin (2285), net–chess.com, 2008.

6.Bf6 Qf6 7.g3 Nc6 8.Bg2 d5 9.0-0 Bd7 10.Qb3=+ Ne7 11.d4 Rab8 12.Ne5 Be6 13.e4 de4 14.Qa3 Bb6 15.Nd2 Ng6 16.Ne4 Qf5 17.Nc4?? Bc4-+ (17...Bc4 18.Rfe1 Rfe8-+) 0–1. Jacewicz,Grzegorz – Cottarelli,Franco, corr 3GMM–30, 1995.

6.g3 Nc6 7.Bf6 Qf6 8.Bg2 d5 9.0-0 Re8 10.Na3 Bg4 (10...Bf5 11.Nh4 Bg4 12.Nf3-/+) 11.Re1 Rad8 12.Nc2 Bb6 13.d4 Bh5 14.a3 Bg6 15.Nb4 (15.Ne3 Be4+=) 15...Nb4 (15...Be4 16.Nd3+=) 16.ab4= Qc6 (16...Be4 17.Nd2=) 17.Qb3 f6 (17...Be4 18.Ne5 Qf6 19.Be4 de4 20.Rf1=) 18.Nd2 Kh8 (18...Qe6 19.e4=) 19.e3+= Qd7 (19...Re7 20.b5 Qe6 21.c4 dc4 22.Qc4+/–) 20.c4 dc4 21.Nc4 Bf7 (21...c6 22.Nb6 ab6 23.Ra7+/–) 22.Nb6 (22.Bb7 c6 23.Ba6 Qh3+/–) 22...ab6 (22...Bb3? 23.Nd7 Rd7 24.Bb7+-) 23.Qc3 c6 24.Ra7 f5 (24...Be6 25.Rea1+/–) 25.b5 (25.Rc1 Be6+/–) 25...Bd5+= 26.Bd5 cd5 ½–½. Martinez Pastor,F – Penaranda Grilo,JC (1900), Madrid ESP, 3rd Gonzalez Mem–B, 2012.

6.g3 Re8 7.Bd4 Nc6 8.Be3 d5 9.Bg2 Bg4 10.0-0 h6 11.Nd4 Nd4-/+ 12.Bd4?? Rc8?? 13.f3 Bh5 14.Na3 c5 15.Bf2 a6 16.Nc2 Bg6 17.Ne3 d4 18.Nc4 dc3 19.Na5 Qa5-/+ 20.dc3 Qc3 21.Rc1 Qe5 22.e4 Red8 23.Qb3 b5-/+ 24.f4 Qe7 25.e5 Ne4 26.Be3 c4-+ 27.Qb2 Rd3 28.Be4 Be4 29.Rc3 Rcd8 30.Rd3 Rd3 31.Bd2?? Qc5 32.Rf2 c3 33.Bc3 Rc3 (33...Rc3 34.Kf1 Rc1 35.Ke2 Rc2 36.Qc2 Qc2 37.Ke1 Qc3 38.Kd1 Bf3 39.Rf3 Qf3 40.Kc2 Qe2 41.Kc3 Qh2-+; 33...Rd1 34.Be1 Re1#) 0–1. mic (2205) – chessaddict (2410), net–chess.com, 2007.

6.Bg3 d5 7.d4 c5 8.e3 Nc6 9.Be2 c4 10.0-0 Bc7 11.Qc2 (11.Bc7 Qc7 12.Qc2 Bg4=+) 11...h5 (11...Bg3 12.hg3 Bg4 13.Nbd2=+) 12.Nbd2 (12.Bc7 Qc7 13.Ng5 h4=) 12...Re8 (12...Bg3 13.hg3 Re8 14.Rab1=+) 13.Rfe1 (13.Bc7 Qc7 14.Rab1 Ne7=) 13...g6 (13...Bg3 14.hg3 Bg4 15.Ng5=+) 14.Bf1 (14.Bh4 Bf5 15.Qb2 Rb8=) 14...Bf5 15.Qa4 (15.Bc7 Bc2 16.Bd8 Rad8=+) 15...Rb8 (15...Bg3 16.hg3 Qb6 17.Rac1=+) 16.Nh4 (16.Bc7 Qc7 17.Qb5 Qa5 18.Qa5 Na5=+) 16...Bd7 (16...Bg3 17.hg3 b5 18.Qd1=+) 17.Qc2 (better 17.Bc7 Qc7 18.Qc2=) 17...a6 (17...Bg3 18.fg3 b5 19.e4=) 18.e4 (better 18.Bc7!? Qc7 19.Ng6+/-) 18...de4 19.Ne4 Ne4 20.Re4 Re4 21.Qe4 Bg3 22.hg3 (22.fg3 Be6 23.Re1=) 22...Qf6 (better 22...Be6!?=+) 23.Bc4+= Re8? (better 23...b5 24.Bd5 Ne7+/-) 24.Qg6+- Qg6 25.Ng6 b5 26.Bb3 (26.Bd5 Ne7 27.Ne7 Re7+-) 26...Na5 (better 26...b4 27.cb4 Nd4+-) 27.Nf4 Nb3 (27...Bg4 28.Bd5+-) 28.ab3 Bc8 29.Nh5 Re2 30.Rc1 Rb2 31.c4 Rb3 (31...Bf5 32.g4! Bc2 33.c5 Bb3 34.c6+-) 32.c5 (better 32.cb5!? Bb7 33.ba6 Ba6+-) 32...Rd3 (32...Kf8 33.d5+-) 33.d5! Rd5?? (33...b4+-) 34.Nf6 Kg7 35.Nd5 Bb7 (35...a5 36.c6 a4 37.Nc3+-) 36.Nc7 (36.c6 Bc8 37.Re1 Bg4+-) 36...Bc6 (36...Bc8 37.c6 b4 38.Ra1+-) 37.Na6 Kf6 38.Nb4 Be8 (38...Bd7 39.c6 Be6 40.c7+-) 39.c6 Bc6 40.Nc6 Ke6 41.Nd4 Kd5 42.Nb5 f5 43.Na3 (43.Rd1 Ke6+-) 43...Kd4 44.f3 (44.Nc2 Ke5+-) 44...Kd3 45.Kf2 Kd2 46.g4 Kc1 47.gf5 Kb2 48.f6 Ka3 49.f7 Kb2 50.f8Q Kc3 51.Qd8 Kc4 52.f4 Kc5 53.f5 Kc6 (53...Kb5 54.Qd5 Kb6 55.f6 Ka6 56.f7 Kb6 57.f8Q Ka7 58.Qe7 Kb6 59.Qeb7) 54.f6 Kc5 (54...Kb5 55.Qd5 Kb6 56.f7 Ka6 57.f8Q Ka7 58.Qe7 Kb6 59.Qeb7) 55.f7 Kc4 56.f8Q Kc3 (56...Kb5 57.Qd5 Ka4 58.Qfa8 Kb4 59.Qaa5) 57.Qfe7 (57.Qa3 Kc4 58.Qdd3) 57...Kc2 (57...Kc4 58.Qec7 Kb5 59.Qd5 Kb4 60.Qca5) 58.Qec7 (58.Qb4 Kc1 59.Qdd2) 58...Kb1 (58...Kb3 59.Qdb8 Ka4 60.Qca7) 59.Qdb8 (59.Qdb8 Ka2 60.Qa5) 1-0. ClayPigeons (2140) - Bajaka (2215), Rated Bullet game, lichess.org, 2020.

6.Ng5 d6 7.Bd4 c5 8.Be3 Ng4 9.Bf4 Nc6 10.Qc2 g6 11.h3 Nf6 12.Na3 Bf5 13.e4? Re8 14.f3 Bd7 15.Qb3 Be6 16.Qb7+/– Ne5 17.Be5 de5 18.Nc4 Rb8 19.Qa7+/– Bc7 20.Qc5 Bc4? 21.Qc4 Re7 22.h4 Nh5 23.Be2 Ng3 24.Rh3 Nh5 25.Bd1 h6 26.Nf7!+/– Qf8?? 27.Nh6 Kh7 28.Ng4 Rc8 29.Nf2 Bb6 30.Qf1 Nf4 31.Rg3 Rd7 32.Bc2 Qa3 33.Qb5?? Bf2-+ 34.Kf1 Rd2?? 35.Qb7+- Kh6 36.Qc8 Qe7 37.Qh8 Qh7 38.Qe5 Bg3 39.Qg5 Kg7 40.Qg3 Nh5?? 41.Qe5 Kh6 42.Qg5 (42.Qg5 Kg7 43.Qd2 Ng3 44.Kf2 Qh4 45.Qd4 Kh7 46.e5 Nh1 47.Kg1 Qd4 48.cd4+- (48.Kh1 Qc3 49.Rc1 Qd2 50.Bg6 Kg6-/+)) 1–0. SIRMO – Salvatore, ChessWorld.net, 2006.

6.Ng5 h6 7.Nf3 d5 8.d3 Nc6 9.e3 Re8 10.d4 Bf5 11.Bb5 Bb1 12.Rb1 Bc3 13.Nd2?? (13.Kf1 Ne4 14.Bc6 bc6-/+) 13...a6 (better is 13...Ne4 14.Bc6 A) 14...Nd2?! 15.Rb7 Re6 A1) 16.Rc7? Rb8 17.Bd5 Nc4 18.Kf1 Qd5-+ (18...Ne5?! 19.Rc5 Bb4 20.Be6 Bc5 21.Bb3=); A2) 16.Qa4-/+; B) 14...Bd2 15.Kf1 bc6-+) 14.Bc6+= bc6 15.Rc1? (15.Bf6 Qf6 (worse is 15...gf6 16.0-0+=) 16.0-0 c5 17.dc5 c6+=) 15...Bd2 (15...Ne4!? 16.Rc3 Nc3 17.Qc2-+) 16.Kd2 (16.Qd2 Ne4 17.Qa5 c5+=) 16...Rb8 17.Rc6 Rb2 18.Kc1? (better is 18.Ke1 Qe7 19.Kf1-+) 18...Ra2-+ (18...Rf2?! 19.Ra6 Qc8 20.Ra3-+) 19.Bc7 (19.Kb1 Rf2 20.Ka1-+) 19...Ra1 20.Kd2 (20.Kb2 Rd1 21.Rd1 Qe7-+) 20...Rd1 (better is 20...Ne4 21.Ke2 Qh4 22.Bg3 Qh5 23.f3 Ra2 24.Rc2 Nc3 25.Kd2 Nd1 26.Ra2 Ne3 27.Re1 Nc4 28.Kd1 Re1 29.Ke1-+) 21.Kd1 (21.Rd1 Ne4 22.Ke1 Qe7-+) 21...Qa8 (21...Qd7 22.Rc1 Qb5 23.Rc5 Qb1 24.Ke2 Qh1 25.Bg3-+) 22.Rb6 (22.Rc2 Qb7 23.Kc1 Rc8-+) 22...Ne4 (better is 22...Qc8 23.Rc6 Re7 24.Bd6 Qc6 25.Be7-+) 23.f3 (23.Ke2-+) 23...Nf2 24.Ke1 Nh1 25.Be5 Qa7 26.Rd6 a5 (better is 26...Qc7!? 27.e4 Qc1 28.Ke2-+) 27.Rd5 a4 0–1. Tonita,Mark David – Koch_Mueller,Oscar, Mureck AUT, 2012.

6.Qa4 Nc6

7.Bf6 gf6?! 8.e3 d5 9.Bd3 +=.

7.Bf6 Qf6 8.e4 Re8 9.Bd3-/+ d5 10.0-0 Bd7 11.ed5 Ne5 12.Qa5? Nf3-+ 13.gf3 Qg5 14.Kh1 Bh3 15.Rg1 Re1!! 16.Bh7 Kh8 (16...Kh8 17.Re1 Qg2#) 0–1. marekt – maitreya, gameknot.com, 2002.

7.Bg3 d5 8.e3 a6 9.Be2 Re8 (9...b5 10.Qb3-/+) 10.0-0 Ne4 11.Qc2 (11.Nd4 Bb6=+) 11...Qf6 12.d4 Bg4 13.Re1 (13.Nbd2 Bc3 14.Ne4 de4 15.Qc3 ef3 16.Bf3 Bf3 17.gf3 h5-/+) 13...h6 (13...h5!?-/+) 14.Nfd2=+ Bf5 15.Bd3 (15.Ne4 Be4 (worse 15...de4 16.Nd2+/-) 16.Qb2 Qf5=) 15...h5=+ 16.Be4 de4 17.h4 Ne7 (better 17...b5!?=+) 18.Nc4+= Bb6 19.Nba3 (19.Nbd2 Nd5+=) 19...Rac8 20.Rab1 Nd5 21.Ne5 (21.Qb3 Be6=) 21...Ba5 (21...c5 22.Qb3 Qe6 23.Nec4=) 22.c4 (22.Rb7 Bc3 (22...Nc3?? 23.Nac4+-) 23.Reb1 Qe6+=) 22...Be1 (better 22...c5 23.Rb7 Be1 24.Rf7 Qh6 25.cd5 cd4-/+) 23.cd5+= Ba5 24.Nac4 (24.Rb7!? Red8 25.Qc4+/-) 24...Bb6= 25.d6 Red8 (better 25...cd6 26.Rb6 Re6=) 26.Bf4?? (better 26.d7!? Rb8 27.Nb6 cb6 28.a4=) 26...Qe6 (26...Rd6 27.Qd1 Rd5 (worse 27...Qh4 28.Nd6 cd6 29.Nf7 Kf7 30.Rb6+=) 28.Qh5 Rb5-/+) 27.d7= Rd7?? (better 27...Ra8 28.Qd1 Bg4=) 28.Nb6+- Rdd8 (28...Rd5 29.Nc8 (29.Nd5?! Qd5 30.Rc1 Be6+-) 29...Qc8 30.Qb3+-) 29.Nc8 Qc8 30.Qb3 Be6 31.Qb7 Qb7 (31...Bd5 32.Qb4+-) 32.Rb7 Ba2 33.Nc6 Re8 (33...Rd7 34.Nb8 Rd8 35.Bc7+-) 34.Rc7 f6 (34...Kh7 35.Nb4 Bb3 36.Na6+-) 35.d5! Ra8 (35...Bd5 36.Ne7 Double attack (36.Ne7 Decoy)) 36.d6 Bd5 (36...Be6 37.Nd4 Bg4+-) 37.d7 (37.Ne7 Kh8 38.Nd5 Rd8 39.Ne7 Kh7 40.Nc6 Ra8 41.d7 Rg8 42.Rc8 g5 43.Rg8 a5 44.d8Q a4 45.hg5 fg5 46.Qg5 a3 47.Qg7) 37...Bc6 38.Rc8 (38.Rc8 Kf7 39.d8Q Rc8 40.Qc8+-) 1-0. Gareev,T (2595) - Dominguez Perez,L (2755), World Blitz (1), 2019.

7.Bg3 d5 8.e3 a6 9.Ne5 Ne5 10.Qa5 b6 11.Qa4 Ng6 12.Be2=+ Ne4 13.d3-/+ Nc5 14.Qc2 f5 15.d4 Ne6 16.0-0. Pecka,J – Janota,J, OCC–2002–02, 2002.

6.d4 d5

7.Qc2 Nc6 8.Bg3 Qe7 9.e3 Bg4 10.Nbd2 Rfe8 11.h3 Bf3 12.Nf3? Ne4-+ 13.Rb1 Ng3 14.fg3 Qe3 15.Be2 Bc3 16.Kf1 Bd4 17.Bb5 Re6 18.Re1 Qh6 19.Re6=+ Qe6 20.Bc6 Qc6 21.Qc6 bc6 22.Nd4 c5 23.Nc6 Kf8 24.Kf2+= Ke8 25.Re1 Kd7= 26.Ne5 Ke6 27.Ng4 Kd6=+ 28.Kf3 Rb8 29.Kf4 Rb2 30.Re8 c4 31.Rf8 Rg2 32.Rf7?? c3-+ 33.Ne3 Rf2 (33...Rf2 34.Kg4 Rf7-+) 0–1. alwayslosing (1945) – inspector (2330), net–chess.com, 2008.

7.e3 c5 8.Be2 Nc6 9.Bg3 cd4 10.ed4 (10.Nd4 Ne4 11.Qd3 Nd4 12.Qd4 Bf5=+) 10...Ne4-/+ 11.Qb3 Re8 12.Kf1 (12.Bf4 Bg4 13.Be3 Rc8-/+) 12...b6 (12...Qe7 13.Bb5-/+) 13.Bd3 Bf5 14.Bb5 Rc8 15.Ne5?? (better 15.Kg1-/+) 15...Ne5-+ 16.Be8 Ng3 (better 16...Bc3 17.Be5 Ba1 18.Bf7 Kf7-+) 17.hg3-/+ Bd3 18.Kg1 Ng4 (better 18...Qe8 19.de5 Qe5-/+) 19.Bb5?? (better 19.Ba4!?=) 19...Qe7 (better 19...Qf6 20.Qb2 Bb5-+) 20.Bd3?? (better 20.Qd1 Nf2 21.Kf2 Bb5 22.a4-/+) 20...Qe1 21.Bf1 Qf2 0-1. ClayPigeons (2140) - Akira54 (2265), Rated Bullet game, lichess.org, 2020.

7.e3 c6 8.Bd3 Bg4 9.Qc2 h6 (9...Bf3 10.gf3 Nbd7 11.Nd2=) 10.Nbd2 Nbd7 11.0-0 Re8 12.Rfb1 b5 0-1. Sopko,Cassio Roberto (2160) - Gandolfo,Hugo (2185), EM/MLP/01 corr, 2002.

7.e3 Ne4 8.Qc2 Bg4 9.Nfd2 Nd2 10.Nd2 Nd7 11.Bg3 =.

6.d4 d6

7.Bf4 Re8 8.e3 Nd5 9.Bg5 f6 10.Bc4 Be6 (10...c6 11.Bd5 cd5 12.Bf4=) 11.Qb3 c6 (11...fg5? 12.Bd5 Qe7 13.Ng5 Bd5 14.Qd5 Kh8 15.Qa5+-) 12.Bh4 (12.Bd5 Bd5 13.Qb7 fg5 14.Qa8-+) 12...b5-/+ 13.Bd5 Bd5 (worse 13...cd5 14.Qb5 Nd7 15.Bg3+=) 14.Qa3 Bc4 (14...Re6 15.Bg3-/+) 15.Nbd2=+ Bd3 16.Rc1 Na6 (16...d5 17.Nb3 Bb6 18.Bg3=+) 17.Bg3 b4?? (better 17...d5=+) 18.cb4+/- Bb4?? (better 18...Nb4 19.Kd1 c5 20.dc5 Rc8 21.Bd6 Ba6+/-) 19.Qd3+- (19.Qd3 Qb6 20.0-0+-) 1-0. gameoverbro (2485) - dfsal (2345), Rated Blitz game, lichess.org, 2016.

7.Bf6 Qf6 8.e3 Bf5 9.Bd3 Bg4 10.Be2 Nd7 11.Qa4= Bb6 12.h3 Bf3 13.Bf3= c6 14.0-0 Rae8 15.Nd2 d5 16.Bd5+/– cd5 17.Qd7 Qc6 18.Qc6 bc6 19.Nf3 f6 20.a4 Ba5 21.Rfc1 Rb8 22.c4 Rfc8 23.cd5 cd5 24.Rc5 Rc5 25.dc5 Rc8 26.Rc1 Bb4 27.c6 Kf7 28.Nd4 a6 29.Rb1 Bc5 30.Rb7 Kg8? 31.c7?? Kf7+/– 32.Nb3 Bd6 33.Rb6 Bc7 34.Ra6 Kg6 35.Nc5 Rb8 36.Ne6?? Rb1 0–1. koenhendrikx – fumir (1695), internet, 2007.

7.Bg3 Nc6 8.Qc2 Nd5 (8...Re8 9.Bh4=+) 9.e4 Re8 10.Bb5 (better 10.Kd1!? Nf6 11.Bh4=) 10...Bf5-+ 11.Bd3 (better 11.0-0!? Be4 12.Bd3 Bf3 13.gf3-+) 11...Nc3! 12.0-0 (12.Nc3 Nb4 Combination) 12...Ne4 13.Be4?! (13.Bh4 Qd7 14.a3-+) 13...Be4 (13...Re4?! 14.Nbd2 Nd4 15.Nd4 Rd4 16.Qf5 Bd2 17.Rfd1-+) 14.Qd1 Bf3 15.gf3 (15.Qf3 Nd4 16.Qd5 c5-+) 15...Qf6 16.Qa4 (16.Nd2 Bd2 17.Qd2 Nd4-+) 16...Nd4 17.Nd2 (17.Qa5 Ne2 18.Kg2-+) 17...Bd2 18.Qd1 Re2 19.Rb1 Qf3 20.Rb2 (20.a3 h5-+) 20…Be3 0-1. Haroldlee123 (1935) - marekt (2405), ChessWorld.net, 2013.

7.Bg3 Nc6 8.e3 (8.e3 Ne4 9.Qb3=+). xifo – chesshunter0, internet, 2007.

7.Bg3 Ne4 8.Qb3 c5 9.Nfd2 Nd2 10.Nd2= cd4 11.cd4 Nc6 12.e3 Qe7 13.Be2 Bd2 14.Kd2 Rd8 15.h4 b6 16.Rac1 Bb7 17.d5 Na5 18.Qb5 Rac8 19.Rc8 Rc8 20.Rc1 Rc1 21.Kc1 Qe4 22.Bd3 Qe7 23.Bd6 Qd6?? 24.Qe8+- Qf8 25.Bh7! Kh7 26.Qf8 Bd5 27.Qe7 a6 28.Qd6 Ba2 29.Qb6 (29.Qb6 Nc4 30.Qa6+-) 1–0. pierre – Afrothunder3, internet, 2008.

7.Bg3 Re8 8.e3 c5 (8...Bf5 9.Bh4=+) 9.Bd3 (9.dc5 dc5 10.Qd8 Rd8=) 9...Nc6 10.0-0 a6 (10...Bg4 11.Qa4=) 11.a3 (11.dc5 dc5 12.Qc2 Qd5=) 11...b5 12.Qc2 (12.a4 b4=) 12...Bg4 (12...c4 13.Bf5=+) 13.Nbd2 (13.Bh4 Bf3 14.gf3 Kh8=) 13...Rc8 (better 13...c4 14.Be2 Nd5-/+) 14.Bf5?? (better 14.dc5 dc5 15.c4+=) 14...Bf5-+ 15.Qf5 Bc3 16.Rac1 (16.Rad1 cd4 17.Nb1 d5-+) 16...cd4 (16...Bd2 17.Nd2 cd4 18.Bf4-+) 17.ed4 (17.Nb3 Bb2 18.Rb1 Ba3 19.Nbd4 Nd4 20.Nd4 Ne4-+) 17...Nd4 (17...Bd2!? 18.Nd2 Nd4 19.Rc8 Qc8 20.Qd3 Ne2 21.Kh1-+) 18.Nd4 Bd4 (18...Bd2?! 19.Nc6 Bc1 20.Nd8 Red8 21.Bd6=+) 19.Rc8 Qc8 20.Qc8 Rc8 21.Nf3? (better 21.Bd6 Rc2 22.Rd1-+) 21...Bc5 22.Rd1 (22.Ra1 Ba3 23.Kf1 Rc3-+) 22...Ba3 23.h3 Ne4 24.Bh2 (24.Nd4 Ng3 25.fg3 Bc5-+) 24...b4 (better 24...Bc5!? 25.Kf1-+) 25.Nd4 a5 26.Rb1 (26.Nf5 Rc1 27.Rc1 Bc1 28.Bd6 f6 29.Bb4 ab4-+) 26...a4 27.f3 (27.Nf5 Rd8 28.Re1 d5-+) 27...Rc1 (27...Nc3 28.Ra1 b3 29.Nb3-+) 28.Rc1 Bc1 29.fe4 (29.Kf1 Nd2 30.Ke1-+) 29...Be3 30.Kf1 Bd4 31.Ke2 b3 (better 31...a3 32.Bd6 a2 33.Bb4-+) 32.e5 (32.Bd6 b2 33.Kd3 b1Q 34.Kd4 Qb2 35.Kc4 Qg2 36.e5-+) 32...b2 33.ed6 b1Q 34.d7 Qe4 35.Kd1 Bf6 36.d8Q Bd8 37.Bg3 Bg5 38.Be1 (38.h4 Qd3 39.Ke1 Qd2 40.Kf1 Be3 41.h5 Qd1 42.Be1 Qd3) 38...Qe3 (38...Qd3 39.Bd2 Qd2) 39.Kc2 (39.Ba5 Qd3 40.Ke1 Bh4 41.g3 Bg3) 39...Qe1 (39...Qb3) 40.Kb2 (40.Kd3 Qe3 41.Kc4 Qe6 42.Kd4 a3 43.h4 a2 44.Kc5 Bd2 45.g4 a1Q 46.g5 Qae5) 40...Qd2 41.Ka3 (41.Kb1 a3 42.Ka1 Qb2) 41...Be7 42.Ka4 Qb2 (42...Qb4) 43.Ka5 Bc5 44.Ka6 (44.g3 Qb4 45.Ka6 Qb6) 44…Qb6 0-1. ClayPigeons (2145) - TauModer (2200), Rated Bullet game, lichess.org, 2021.

7.Bg3 Bg4 8.e3 Re8 9.Bd3 c5 10.0-0 Nc6 11.Qc2 (11.Qa4 Bf3 12.gf3 cd4 13.cd4 Rc8=) 11...Rc8 (11...Bf3 12.gf3 cd4 13.cd4 Nb4=+) 12.c4? (better 12.dc5 dc5 13.Rd1=) 12...Bf3-+ 13.gf3 cd4 14.Qa4? (14.Bf5 Rc7 15.Rd1 de3 16.fe3 Re3 17.Bd6 Re1 18.Re1 Qd6-+ (18...Be1?! 19.Qd3-/+)) 14...Bb6 (14...de3 15.fe3 Bb6 16.Kh1-+) 15.Nd2? (better 15.Bf5 de3 16.Bc8 Qc8 17.Nc3-+) 15...de3 16.fe3 (16.Ne4 Ne5 17.Be5 de5 18.Nf6 Qf6 19.fe3 Red8-+) 16...Be3 (16...Re3 17.Bh7 Kh7 18.Qc2 Kh8 19.Bf2-+) 17.Kg2 (17.Rf2 Nh5 18.Qc2 Ng3 19.hg3 Qg5-+) 17...Bd2 18.Rab1 (18.Rfd1 Bc3 19.Rab1 Qa5 20.Qa5 Na5 21.Bd6 Bd4-+) 18...b6 (18...Re3 19.Bf5 Rc7 20.Rfd1-+) 19.Qc2 (19.Rfd1 Bc3 20.Bf5 Nd4 21.Bc8 Qc8 22.Qa7 Qc4-+) 19...Bh6 (19...Be3 20.Bh4-+) 20.Bh4 g6 21.Bf2 (21.f4 Qe7-+) 21...Ne5 22.Be2 (22.Bd4 Nd5! 23.Kh1 Ne3 24.Be3 Be3-+) 22...Bg7 (22...d5 23.c5-+) 23.Rbd1 (23.Rfd1 Nh5 24.Qc1 Qf6-+) 23...d5 24.Qa4 Qd7 25.Qa6 (25.Qb5 Qb5 26.cb5 Rc2-+) 25...Nc4 26.Bc4 (26.Rfe1 Rc7-+) 26...Rc4 27.Qc4 dc4 28.Rd7 Nd7 29.Rd1 Nc5 (29...Ne5!? 30.Re1 Rc8 31.Bg3-+) 30.Rd6 (30.Bc5 bc5 31.Kf1 c3-+) 30…c3 (30...c3 31.Rd1 Bh6-+) 0-1. ClayPigeons (2190) - H3nkka (2250), Rated Bullet game, lichess.org, 2020.

7.Bg3 h6 8.e3= Bf5 9.Bd3 Bd3 10.Qd3 Re8 11.0-0 Nbd7 12.Nbd2+= Nd5 13.Rac1 Nc3 14.Rc3+/– Bc3 15.Qc3 Nf6 16.Re1 Nd5 17.Qb2 Nb6 18.e4 Rc8 19.d5 Rb8 20.e5 Nd5 21.ed6+= Re1 22.Ne1 cd6 23.Qd4 Qe7 24.Kf1 Re8-/+ 25.f3 Qe2 26.Kg1 Qe3 27.Qe3 Re3 28.Kf2 Ra3-/+ 29.Nc4? Ra2-+ 30.Kg1 b5 31.Nd6 b4 32.Be5 Re2 33.Nd3 Ne3 34.Nb4 Rg2 35.Kh1 Rf2 36.Bd4?? Rf1 0–1. Castlegrande – theblizzard, ChessWorld.net, 2005.

6.d4 Re8

7.e3 Nc6 8.Bg3 d5 9.Bd3 h6 (9...Ne4 10.Qc2=+) 10.Qc2 Ne4 11.0-0 Bg4 12.a3 (12.Bh4 Qd6=) 12...Bf3 13.gf3 Ng5 (13...Ng3 14.hg3 Qf6 15.Nd2=) 14.Kg2 Qf6 15.Qe2 (better 15.Nd2=) 15...Bc3?? (better 15...Qe6=) 16.Nc3+- Nd4 17.Be5?? (better 17.Qd1 Ndf3 18.Rc1+-) 17...Re5-+ (17...Qe5?! 18.ed4 Qd4 19.Qc2-/+) 18.f4 (18.Nd5 Qc6 19.Qa2 Rd5 20.ed4-+) 18...Ne2 19.fe5 (19.Ne2 c5 20.Rad1-+) 19…Qf3 (19...Nc3?! 20.ef6 c5 21.Rac1=+) 0-1. ClayPigeons (2215) - Guntriga (2145), Rated Bullet game, lichess.org, 2021.

7.e3 d5 8.Bd3 (8.Qa4 Nc6 9.Bb5 Ne5 10.de5 c6 11.Bc6 Bd7 12.ef6 Bc6=) 8...c5 9.0-0 (9.dc5 Nc6 10.Bd4 Nd4 11.Nd4 Ne4=) 9...Bc7 (9...c4 10.Bf6 Qf6 11.Qa4=+) 10.Nbd2 (10.Bf6 Qf6 11.dc5 Nc6=) 10...Be5 11.Ne5 Qc7 12.Ndf3 Nc6 13.Rb1 c4 14.Bc2 a6 (14...Ne4 15.Qc1=) 15.a4 (15.Nc6 Qc6 16.Ne5 Qd6=) 15...Na5 (15...Ne4 16.Qc1=) 16.h3 h6 17.Rb4 Rb8 18.Bb1 Bd7 19.Bc2 Ne4 (19...b6!?=) 20.Be4+/- de4 21.Nd2 Be6 22.Ne4 Nb3 23.Nd2 a5 24.Rb5 f6 (24...Nd2 25.Qd2 f6 26.Nf3+/-) 25.Nef3 (25.Nec4!? Nd2 26.Nd2 Qc3+-) 25...Bd7 26.Rb3 Ba4?? (better 26...cb3 27.Qb3 Kh7+/-) 27.Rb7!+- Qc6 (27...Rb7 28.Qa4 Combination; 27...Qb7 28.Qa4 Combination) 28.Rb8 (28.Rc7 Qc7 29.Qa4 Rec8+-) 28...Bd1 29.Re8 Qe8 30.Rd1 Qa4 31.Rb1 Qa2 32.Rb8 Kh7 33.Ne4 (better 33.d5 Qa1 34.Nf1+-) 33...a4? (33...Qc2 34.Nd6 a4 35.Nc4 Qc3+-) 34.Rb7 Kg8 (34...Kh8 35.d5 Qc2 36.d6 Qd1 37.Kh2+-) 35.Nh4 (better 35.d5 Qc2 36.d6 Qd1 37.Kh2 Qd5+-) 35...a3 (35...Qc2 36.Nd6 a3 37.Ndf5+- (37.Nc4?! a2 38.Rb8 Kh7=)) 36.Nf5 Kf8 (36...Qb3 37.Rg7 Kf8+-) 37.Ng7 Qa1 38.Kh2 a2 (38...Qb1 39.Ne6 Kg8 40.Nf6 Kh8 41.Rb1 a2 42.Rb8) 39.Nf6 (39.Ne6 Kg8 40.Nf6 Kh8 41.Rh7) 39...Qb1 (39...Qg1 40.Kg3 Qf2 41.Kf2 a1Q 42.Ne6) 40.Ne6 (40.Rb1?! ab1Q 41.Ngh5 Qf5+/-) 1-0. cipiripi (2325) - zumpili (2330), Rated Blitz game, lichess.org, 2018.

7.e3 d6 8.Bg3 Ne4 9.Qc2 Bf5 10.Bd3 Ng3 11.hg3+= Bd3 12.Qd3 g6 13.Nbd2 c5 14.Nc4 Bc7 15.0-0 (15.d5 b5 16.Ncd2 Ba5+=) 15...b5 (15...d5 16.Ncd2 c4 17.Qb1=) 16.Nb2 (16.Ncd2 Ba5+=) 16...a6 (16...c4 17.Qc2 d5 18.a4=) 17.Rad1 (17.a4 c4 18.Qc2 Nd7=) 17...Nc6 (17...c4 18.Qc2=+) 18.Qc2 (18.c4 d5 19.cb5 c4 20.Nc4 dc4 21.Qc4 Na5=+) 18...Qe7 (18...c4 19.Rfe1=+) 19.Nd3= Rac8 (19...Ba5 20.Nf4=) 20.Nf4 Ba5 (20...cd4 21.cd4 Ba5 22.Qb3=) 21.Nd5+= Qe6 22.Nf4 (22.dc5!? dc5 23.Ng5+=) 22...Qc4=+ 23.Rc1 Ne7 (better 23...cd4!? 24.cd4 Nb4=) 24.Nd2+= Qa4 25.Qa4 ba4 26.Nc4 Bc7 27.Ne2 (27.e4 f5 28.e5 de5 29.de5 Nc6+=) 27...Nd5 (27...cd4 28.cd4 h6 29.Nc3+=) 28.Nd2 (28.Rfd1 Nf6+=) 28...Rb8 (better 28...Ba5 29.Nf3 h6=) 29.g4 (better 29.Rb1!?=) 29...Rb2-/+ 30.Rfd1 Ra2 31.e4 (31.Ra1 Ra1 32.Ra1 Rb8=+) 31...Nf6-/+ 32.f3 Rb8 (32...d5 33.e5 Ba5 34.Kf2-/+) 33.Nf4 (33.Kf2-/+) 33...Ba5 (better 33...d5!? 34.e5 g5-/+) 34.Nc4= White prepares the advance e5 34...Bc7 35.e5 de5 36.de5 Ne8 37.Nd6 (37.Ra1!? Ra1 38.Ra1=) 37...a3 38.Ne8? (better 38.g5-/+) 38...Re8-+ 39.e6?? (39.Nd5 Be5 40.Ra1 Ra1 41.Ra1 Rd8 42.Ne7 Kf8-+) 39...fe6 (better 39...Bf4 40.Ra1 Ra1 41.Ra1 Re6-+) 40.Nd3 Rb2 (40...Rb2 41.Nb2 ab2=+) 0-1. ClayPigeons (2185) - amidou (2290), Rated Bullet game, lichess.org, 2020.

7.Bg3 d5 8.e3 Ne4 9.Qc2 c5 10.Bd3 Bf5 11.0-0 (11.dc5 Nc6 (worse 11...Ng3 12.hg3 Be4 13.Nbd2+=) 12.0-0 Qe7=) 11...c4 12.Be4 Be4 (12...de4?! 13.Nfd2=) 13.Qb2 Qb6 14.Qb6 ab6 15.Nbd2? (15.Rc1!?=+) 15...Bc3-/+ 16.Rab1?? (better 16.Ne4 de4 17.Rac1-/+) 16...Bd2 17.Nd2 Bb1 18.Rb1 (18.Nb1 Ra2 19.Nc3 Ra5-+) 18...Ra2 19.Nf3 Nd7 20.Ne5 (20.Kf1 Rea8-+) 20...Ne5 21.Be5 c3 0-1. ClayPigeons (2145) - baneneba (2245), Rated Bullet game, lichess.org, 2021.

6.e3 d5

7.c4 c5 8.Nc3 dc4=+ 9.Bc4 Nc6 10.0-0 Bg4 11.Bg3 Qd7 12.Rb1 Rad8=+ 13.h3 Bh5 14.Bh4 Qf5 15.Bf6 gf6 16.e4+= Qf4 17.Nd5 Rd5 18.ed5 Nd4-/+ 19.Be2 Bc7 20.g3 Bf3 21.Bf3 Qf3 22.Kh2? Qd5-+ 23.Qg4 Kh8 24.f4 Rg8 25.Qd1 b5 26.d3 Qa2 (26...Qa2 27.Qe2 Qe2 28.Kg1 Rg3 29.Kh1 Qg2#) 0–1. Swicarz,Maciej (2305) – Staniszewski,Piotr (2450), Polanica Zdroj Rubinstein open, 2001.

7.c4 Nc6 8.Bc3 =+.

7.Bd3 c5 8.0-0 Nc6 9.Bg3 Bg4 10.Be2 Bc7 11.Bc7 Qc7 12.Na3 Rad8 13.Bd3 (13.Rb1 Rfe8=+) 13...d4 14.cd4 cd4 15.e4? (better 15.Bb5!?-/+) 15...Ne5-+ 16.Be2 d3 (16...Ne4?! 17.Ne5 Be2 18.Qe2 Qe5 19.d3=+) 17.Ne5?? (better 17.Qc1 Nc6 18.Bd1 Ne4 19.h3-+) 17...de2 18.Ng4 (18.Qb3 ef1R 19.Rf1 Qe5 20.Qb7 Ne4-+) 18...ed1Q (better 18...Ng4 19.g3 ed1Q 20.Rad1 f5 21.ef5 Rf5-+) 19.Nf6 (19.Rad1?? Ng4 20.g3 f5 21.ef5 Rf5-+) 19...gf6 20.Rad1 (20.Rfd1 Rd3 21.Nb5 Qe5-+) 20...Qa5 21.Nc4 Qa2 22.Ne3 (22.d3 Qb3 23.Na5 Qc3 24.Nb7 Rd3-+) 22...Rd2 23.Ra1 Qe6 24.Ra7 (24.Rfe1 Re8 25.f3 f5 26.Nf5 Qb6 27.Kh1 Red8-+) 24...Qe4 25.Rfa1 Rfd8 26.R7a4 (26.h3 Qf4 27.Rf1 b5-+) 26...Qa4! 27.Ra4 (27.Ra4 b5 Passed pawn) 27...Rd1 28.Nf1 Rb1 29.h3 Rdd1 30.Rg4 Kf8 31.Rh4 (31.g3 Rf1 32.Kg2 Rg1 33.Kh2 b5-+) 31...Rf1 32.Kh2 Rf2 33.Rh7 (33.Kg3 Rbb2 34.Rh7 Rg2 35.Kf3 Rgf2 36.Ke4 Rb4 37.Kd3 Rh2-+) 33...Rbb2 34.Rh8 (34.Kg3 Rg2 35.Kf3 Rgc2-+) 34...Kg7 35.Rc8 Rg2 36.Kh1 Rgd2 37.Rc1 f5 38.h4 f4 39.h5 (39.Rg1 Kh6 40.Rg8 f3 41.Rg4 Rh2 42.Kg1 f2 43.Kh2 f1Q 44.Kg3 Rg2 45.Kh3 Qh1) 39...f3 (39...Rh2 40.Kg1 Rbg2 41.Kf1 f3 42.h6 Rh6 43.Rc8 Rh1) 40.Rg1 Kh7 41.Rc1 (41.Rg5 Rh2 42.Kg1 f2 43.Kh2 f1Q 44.Kg3 Rg2 45.Kh4 Qh1) 41...Rh2 42.Kg1 Rbg2 43.Kf1 Rh1 0-1. Impite - konik59 (2215), Rated Blitz tournament, lichess.org, 2016.

7.d4 c5 8.Be2 Nc6 9.0-0 c4 10.Bg3 Ne4 11.Qc2 Bf5 12.Nh4 Be6 13.Nf3-/+ h6 14.Ne5? Ne5 15.Be5=+ Bc7 16.Bc7= Qc7 17.f3 Nf6 18.e4 Qf4 19.e5 Qe3 20.Kh1 Nh5 21.g3 g6 22.Qd2+= Qd2 23.Nd2 Ng7 24.g4 h5 25.h3 Rfb8 26.Rab1= b5 27.a3 Rb6 28.Rb2 Bd7 29.Rfb1 Rab8 30.Kg2 Ne6 31.Kg3 hg4 32.hg4 g5 33.Nf1 Nf4=+ 34.Ne3 f6-/+ 35.ef6? Re8-+ 36.Kf2 Rbe6 (36...Rbe6 37.Bc4 dc4 (37...bc4?! 38.Rb7 Re3 39.Rd7-+; 37...Re3?! 38.Bb5 Bb5 39.Rb5-+) 38.Nc4 bc4-+; 36...Rf6?! 37.Ng2-/+) 0–1. Christobal (1615) – salmo (1835), internet.com, 2005.

7.d4 Ne4 8.Qc2 =.

7.d4 Bg4 8.Bd3 Nbd7 9.0-0 Ne5=+ 10.de5 Nd7 11.Qa4 Bf3-+ 12.gf3 Bb6 13.f4-/+ Nc5 14.Qc2 Nd3 15.Qd3 c6 16.Nd2 Qd7 17.Qe2 Ba5 18.Rac1 c5 19.Rfd1 Rac8 20.Qh5 g6 21.Qh6? Rcd8 22.h3=+ f6 23.Ne4= fe5 24.fe5 Qe7 25.Nf6 Kh8 26.Rd5+/– Rd5 27.Nd5 Qf7 28.Nf6 Rd8 29.Ne4+= Qe7 30.Nd6 a6 31.f4?? Rd6-/+ 32.ed6 Qe3 33.Kg2 Qd2 34.Kf3 Kg8 35.Rf1 Bc3 36.Qg5 Qd6 37.h4 Bf6-+ 38.Qg1 Qd4?? 39.Qd4=+ Bd4 40.Ke4 b5 41.Kd5 Kf7 42.Ke4 a5 43.f5 b4 44.h5 g5 45.h6 Kf6 46.Rd1 a4 47.Rd3 g4 48.Kf4 g3! 49.Kg3 Kf5 50.Kf3 b3! 51.ab3 a3 52.Rd2 Kg5?? 53.Ke4?? Kh6 54.b4+- Kg6 55.b5 Kf6 56.b6 h5? 57.b7 Be5 58.Ra2 Bc7 59.Ra3 1–0. kode (2345) – inspector (2330), net–chess.com, 2008.

7.Be2 Nc6 =.

7.Be2 Nbd7 8.Bg3 Re8 9.0-0 Nc5 (9...c5 10.d3=) 10.d4 (10.d3 Bg4=) 10...Nce4=+ 11.Qb3 Ng3 12.hg3 a6 (12...c6 13.c4=+) 13.Nbd2 (13.c4 Rb8=+) 13...b5 (13...Bg4 14.Bd3=+) 14.a4 c6 15.Ne5 (15.ab5 ab5 (worse 15...cb5 16.Qa3 Bc7 17.Bb5+=) 16.Ra3 Bb7=+) 15...Qd6 (15...Qc7 16.Rfd1=+) 16.ab5= ab5 17.Ra2 Be6 (better 17...Nd7 18.Nd7 Bd7=) 18.Rfa1+/- Ne4 19.Ra5 (better 19.Nb1!? Qc7 20.Nc6 Qc6 21.Qb5+/-) 19...Ra5= 20.Ra5 Nd2 21.Qa2 (21.Qa3 Qa3 22.Ra3 Rc8=) 21...Nc4 (21...Ne4 22.Qa3 Qa3 23.Ra3=) 22.Bc4+= dc4 23.Ra8 (better 23.Qa3 Qa3 24.Ra3=) 23...Bd7 (23...Qf8 24.Ra7 Bd5 25.Qa6=) 24.Nd7 (better 24.Qa3!? c5 25.Nd7 Qd7 26.Re8 Qe8 27.Qc5+-) 24...Qd7= 25.Re8 (25.Qa7 Qe6=) 25...Qe8 26.Qa7 h6 27.Qc7 ½-½. mic (2115) - peb (2395), net-chess.com, 2008.

7.Be2 Re8 8.0-0 c5 9.d4 c4 10.Qa4 (10.Qc2 Nc6=+) 10...Nc6 (10...Ne4 11.Qc2-/+) 11.Bg3 (11.Bf6!? Qf6 12.Qb5-/+) 11...Ne4-/+ 12.Rc1 Bg4 (better 12...Ng3 13.hg3 Bd7-/+) 13.h3? (better 13.Bf4-/+) 13...Ng3-+ 14.fg3 Re3 (14...Qe7 15.Kf1 Bf5 16.Qd1-+) 15.Qc2 Bh5 16.Qd2 Qe7 17.Re1 (17.Bf1 Bf3 18.gf3 Rf3-+) 17...Re8 (17...Bf3 18.gf3 Nd4 19.Kg2 Ne2 20.Qd5 Nf4 21.gf4 Re1 22.Qc4-+) 18.g4 Re2 (18...Bg4 19.hg4 Re2 20.Re2 Qe2 21.Qe2 Re2 22.a4-+) 19.Re2 Qe2 20.Qe2 Re2 21.gh5 Rc2 22.Na3 Rc3 23.Nb5 Re3 24.Kf2 Re4 (24...Rd3!? 25.Rb1-+) 25.Nd6 Re7 26.h6 g6 27.Rb1 b6 28.h4 (28.a3 a6-+) 28...f5 (28...Nb4!? 29.Ne5 Na2 30.Ra1-+) 29.h5 Bb4 30.Nb5 a6 31.a3 Ba5 (31...ab5!? 32.ab4 gh5 33.Ng5-+) 32.Nd6 Rd7 (better 32...b5-+) 33.Nc8? (33.Ne8 Kf7 34.Ng7 gh5-+) 33...b5 (33...Rd8 34.Nb6 Rb8 35.Nd5 Rb1 36.Nf6 Kh8 37.hg6 hg6 38.d5 Bb6 39.Ke2 Nd4 40.Nd4 Bd4 41.Ng4 Rb2 42.Ke1-+) 34.hg6 hg6 35.Ng5 (35.Rh1 Rd8 36.h7 Kh8-+) 35...Nd4 36.h7 Kh8 37.Nd6 Rd6 38.Nf7 Kh7 39.Nd6 c3 40.Ke3 (40.Rc1 Nb3 41.Rc2 Bb6 42.Kf1 d4-+) 40...c2 (better 40...Nc2!? 41.Kd3 Na3 42.Rh1 Kg7 43.Nb7-+) 41.Rc1 (41.Rh1 Kg8 42.Kd4-+) 41...Bc3 42.Kd3 Bb2 43.Rc2 (43.Rh1 Kg7 44.Ne8 Kf7-+) 43...Nc2 44.Kc2 Ba3 45.Ne8 Be7 46.Nc7 d4 (46...Bd6!? 47.Nd5 Kg7 48.Nc3-+) 47.Na6 (47.Kd3 b4 48.Nd5 Bd6 49.Kd4 Kh6-+) 47...b4 (47...Bd6 48.Kd3-+) 48.Kd3 (48.Nc7 Kh6 49.Ne6 Bf6-+) 48...g5 (better 48...b3!? 49.Nc7 b2 50.Kc2-+) 49.Nc7 Kg6 (49...b3 50.Ne6-+) 50.Nd5 Bc5 51.Kc4 Ba7 (51...Bf8 52.Nc7-+) 52.Kb4 (52.Nb4 f4-+) 52...f4 53.Kc4 Kf5 54.Kd3 g4 55.Ke2 Ke4 Black intends f3 (better 55...Bc5 56.Kf1 Ke5 57.Nf4 Kf4-+) 56.Nf6 Kf5 57.Nd5 Ke4 (57...Bc5 58.Kf1 Ke5-+) 58.Nf6 Kf5 (better 58...Ke5 59.Ng4 Ke4 60.Nf6 Kf5-/+) 59.Nd7?? (59.Nd5 Bc5 60.Kf1-+) 59...f3!-+ 60.gf3 gf3 (better 60...g3 61.Kf1 d3-+) 61.Kf3 Ke6 (61...d3 62.Nb8=+) 62.Nf8-/+ Kf7 (better 62...Kd5!?-/+) 63.Nh7 (63.Nd7 Ke7 64.Ne5 Kd6=) 63...Kg6 (63...d3 64.Ng5 Kg6 65.Nh3=) 64.Nf8= Kf7 65.Nd7 Ke7 66.Ne5 Kd6 67.Nd3 Kd5 68.Ke2 Kc4 69.Kd2 Bc5 70.Kc2 Kd5 71.Nf4 (71.Nc5 Kc4=) 71...Kc4 (71...Ke4 72.Nd3=) 72.Nd3= Ba7 73.Kd2 Kd5 74.Ke2 Kc4 75.Ne1 Kd5 76.Nc2 Kc4 77.Kd2 Kd5 78.Ne1 Kc4 79.Nd3 ½-½. cipiripi (2260) - piongu (2365), Rated Blitz game, lichess.org, 2015.

5.c3 Bc5

6.d4 Bb6 7.Nbd2 Ba5 8.Qb3 Nc6 9.Bf6 Qf6 10.e4 Qf4 11.Bc4 Ne7 12.0-0 c6 13.g3 Qf6 14.e5 Qf5 15.Rab1 Qg6 16.Qa3+= b6?? 17.Qe7+- Bc3 18.Rfc1 Bd2 19.Nd2 Qf5 20.a4 Bb7 21.Nf1 c5 22.Ne3 Qe4 23.d5 Rad8 24.Qd6 Rfe8 25.a5! Re5 26.ab6 ab6 27.Qb6 Rb8 28.Qc5 Rc8 29.Qd6 Re7 30.Rb7 h6 31.Rd7 Rd7 32.Qd7 Rc5 33.d6 Kh7 34.Qf7 Qf3 35.Qf3 (35.Qf3 Rc6 36.Qe4 Kh8 37.Qe8 Kh7 38.Bd3 g6 39.Qg6 Kh8 40.Qh7#; 35.Bd3 Qe4 36.Be4 Rf5 37.Bf5 Kh8 38.Rc8#) 1–0. agluis (2110) – gannett (1715), net–chess.com, 2003.

6.d4 Bb6 7.Nbd2 d6 8.Bf6 Qf6 9.e4 Bg4 10.Bd3 Bf5?? (better is 10...c5 11.e5 Re8=) 11.ef5+- Nc6 12.0-0 d5 13.Re1 Ba5 14.Qc2 Bc3 (14...Rfe8+-) 15.Qc3 Rad8 16.Nf1 b5 (16...a5 17.Bb5+-) 17.a3 (17.Bb5 Nb8+-) 17...Qd6 (17...a6 18.Rac1 Ne7 19.Qc7+-) 18.Bb5 Nd4 (18...Ne7 19.f6! gf6 20.Rac1+-) 19.Nd4 c5 20.Nc6 Rc8 (20...Rd7 21.f6! gf6 22.Ng3+-) 21.Ne7 Kh8 22.Nc8 Rc8 23.Qe3 (23.Qe5 Qe5 24.Re5 Rd8+-) 23...h6 24.Qe7 Qe7 25.Re7 c4 26.Rf7 c3 27.Rc1 Rc5 28.Bd3 (28.Rf8 Kh7 29.Re1 Rb5 30.Ree8 d4 31.Rh8) 28...Kg8 29.Ra7 c2 30.Rc2 Rc2 31.Bc2 d4 32.Rd7 Kh7 33.f6 Kh8 (33...d3 34.Bd3 Kg8 35.fg7 h5 36.Bc4 Kh7 37.g8Q Kh6 38.Qg7) 34.Rd8 1–0. Dutchgalego – interloper, chessworld.net, 2013.

6.d4 Bb6 7.Nbd2 d6 8.Bg3 Re8 9.e3= Bf5 10.Nh4 Qd7 11.Ndf3 a6 12.Nf5+= Qf5 13.Bd3 Qd7 14.0-0 Nc6 15.Qc2 Ne7 16.Ng5 g6 17.c4 h6 18.Ne4 Ne4 19.Be4 c6 20.Rab1 Ba7 21.f4 f5 22.Bd3 d5 23.Rbe1 dc4 24.Bc4 Nd5 25.Bh4 Kh7 26.Bd5 Qd5 27.Bf6 Re6 28.Be5= Rae8 29.a4 Bb8 30.Rb1 Be5 31.fe5 R8e7 32.Rb6 c5 33.Qc5 Qc5 34.dc5 Rb6 35.cb6+= Re5 36.Re1 Re4 37.a5 Kg7 38.Kf2 Kf6 39.Rd1 Re7 40.Rd8 Ke6 41.Rc8 ½–½. gtate (1720) – mroets (1785), net–chess.com, 2002.

6.d4 Bb6 7.e3 d6 8.Bf6 Qf6 =.

5.c3 Be7

6.Qc2 d5 7.Ng5 (7.Bf6 Bf6 (< 7...gf6 8.e3+=) 8.e3 Bg4=+) 7...Nbd7-/+ 8.Bf6 (8.Bf4 Nc5-/+) 8...Nf6 9.h4 (9.e3 c5-/+) 9...Bg4 10.h5 (10.e3 h6-/+) 10...h6-+ 11.f3 (11.Nf3 Bh5 12.e3 Bg6-/+) 11...Bd7 (< 11...hg5 12.fg4 Ng4 13.Qf5-/+; 11...Bh5?! 12.Rh5 Qd6 13.g4=+) 12.Nf7? (better is 12.Nh3-+) 12...Rf7 13.g4 d4 (13...Ne8 14.Qg6-+) 14.cd4 (14.g5 Nd5 15.gh6-+) 14...Ng4! 15.fg4 Bc6 16.Rg1 (16.e3 Bh1 17.Bc4 Bh4 18.Kd1 Bd5-+) 16...Qd4 17.e3 Qf6 18.g5 Qf2 19.Kd1 Qg1 20.Kc1 (20.Qc4 Bg5 21.a3 Bg2-+) 20...Rf1 21.Kb2 hg5 (21...Qg5 22.Qc4 Rf7 23.Nc3-+) 22.Qb3 Kh8 23.Nc3 Ra1 24.h6 Qc1 0–1. blacksteelpipe – Veritas02, Live Game Caissa's Web, 2005.

6.d3 d5 7.a3 Nc6 8.Nbd2 Ne5 9.Ne5 Bd6 10.Nef3 Qe7 11.a4 Bf5 12.e3 Rae8 13.Be2 c5 14.0-0 h6 15.d4 c4 16.Re1 Qc7 17.h3 Re6 18.Qc1 Rfe8 19.Nh4 Bh7 20.a5 Bh2 21.Kh1 Bg3!-+ 22.fg3 Re3 23.a6 ba6 24.Ndf3 Re2 25.Re2 Re2 26.Ra6 Ne4 27.Qa3 Qg3 (28.Ra7 Bf5 29.Ra8 Kh7-+) 0–1. Marshall – Rosner,Dirk, corr SOK–98–E003A, 1998.

6.e3 Nc6 7.d4 Ne5 8.de5 Ne4 9.Qc2 d5 10.Nbd2. Fiedler – Dowd, corr SOK–87–13.

6.e3 Nc6 7.Bf6 gf6 8.d4 +/–.

6.e3 Nc6 7.Bf6 Bf6 8.d4 d5 9.c4 (9.Bd3 Be7=) 9...Re8+= 10.Be2 dc4 11.Bc4?? (better is 11.Na3+=) 11...Nd4-+ 12.Nd4 (12.Nbd2 Nf3 13.Nf3 Ba1 14.Qa1-+) 12...Qd4 13.Qb3 Re7 (worse is 13...Qa1 14.Bf7 Kh8 15.Be8-+) 0–1. Jones,Michael – Niewold,Jaap (1730), TE.2004.P.01703, 2004.

6.e3 Nc6 7.Bf6 Bf6 8.d4 d5 9.Bd3 Bg4 10.Nbd2 Re8 11.0-0 a6 12.Qc2 h6 13.a4 Qd7 14.Rfc1 Re7 (14...Rab8 15.Rab1=) 15.Rab1 Na5 16.h3 Be6 17.Nb3 (17.c4!?+=) 17…Nb3= (17...Nb3 18.Rb3 Qa4 19.Rb7 Qc2 20.Rc2 c5 21.Re7 Be7 22.dc5 Bc5=). algernon (2320) – jmazaira (2385), net–chess.com, 2004.

6.e3 d6 7.Bf6 Bf6 8.d4 Nc6 9.Bd3 Bg4 10.Nbd2 Ne7 (10...Rb8 11.Qc2 g6 12.h3=) 11.0-0 (11.Qb1 c5+/–) 11...c5 (11...Rb8 12.Qc2 h6 13.Rab1+=) 12.Qc2 (12.Qb1 Kh8+/–) 12...h6 13.Rab1 b6 14.Ne4 Bf3 (14...Ng6!?=) 15.Nf6+/– gf6 16.gf3 Qc7 17.Kh1 c4 18.Rg1 Kh8 19.Be2 Rg8 20.Qe4 d5 21.Qh4+/– Kh7 22.Qf6 Ng6 23.f4 Qe7 24.Rg6?? Qe4-+ 25.f3 Qb1 (25...Qb1 26.Kg2 Rg6 27.Qg6 Qg6 28.Kf1 Rg8 29.Ke1 Qb1 30.Kd2 Rg1 31.Bf1 Qf1 32.e4 Qd3; 25...Qg6?! 26.Qg6 Rg6 27.e4-/+) 0–1. wlittle (2245) – hockhin, net–chess.com, 2004.

6.e3 d6 7.h3?? de5-+ 8.Ne5 Bd6 (8...Nc6!? 9.Nc6 bc6 10.Bc4-+) 9.Nc4 Be7 10.d4?? (10.Ne5 Qd5 11.Nf3-+) 10...Qd5 (10...Nc6 11.Nbd2-+) 11.Qc2 (11.Qf3 Qf3 12.gf3 c5-+) 11...Bf5 (11...c5 12.Nbd2 Bf5 13.Qb3-+) 12.Qd1 (12.Qb3 Nbd7-+) 12...b5 (12...Nc6 13.Qb3-+) 13.Ne5 (13.Ncd2 c5-+) 13...Bd6 (13...Nbd7!? 14.Nd7 Bd7 15.Nd2-+) 14.Nf3 Nc6 (14...Nbd7 15.Nbd2-+) 15.Bd3 Bd3 (15...Ne4 16.Qb3 Ne7 17.Qd5 Nd5 18.0-0-+) 16.Qd3 a6 (16...Qe4 17.Qe4 Ne4 18.Ke2-+) 17.0-0 Rae8 (17...Qe4 18.Qe4 Ne4 19.Rc1-+) 18.Nbd2 Na5 19.e4? (19.a4 Nc4 20.Rfe1-+) 19...Ne4 20.Rfd1 (20.Ne4 Re4 21.a4 Nb3 22.ab5 ab5-+ (worse 22...Na1 23.c4 Qa8 24.Ng5 ab5 25.Qe4 Qe4 26.Ne4-+)) 20...Nd2 (20...f5!? 21.Re1-+) 21.Nd2 c5 22.a4 (22.Qf3 Qf3 23.Nf3 Nc4-+) 22...c4 23.Qf3 Qf3 24.Nf3 Nb3 (24...b4 25.cb4 Bb4 26.Rab1-+) 25.Ra2 f6 26.ab5 ab5 27.Nh4 g6 28.Nf3 Ra8 29.Rc2 h5 30.g4 (30.Re1 Rfe8 31.Re8 Re8-+) 30...hg4 31.hg4 Rfe8 32.g5 Kg7 33.gf6 Kf6 34.Nh4 (34.Nh2 Re7-+) 34...Re4 35.Ng2 g5 (35...Rh8 36.Ra2-+) 36.Ne3 Rh4 37.Kg2 Rah8 38.Ra2 (38.Nf1 Kf7-+) 38...Rh2 39.Kf3 R8h3 (39...Rf8!? 40.Ra6 Kg7 41.Ke4 Rhf2 42.Kd5-+) 40.Ke2 Ke6 41.d5 (41.Ra7 Bf4 42.d5 Kd6 43.Ra6 Kd7 44.Ra7 Kc8 45.Ra8 Kc7 46.d6 Bd6 47.Ra7 Kb6-+) 41...Kd7 42.Ng4 (42.Ra7 Kd8 43.Ng4 Rg2 44.Ra8 Kc7-+) 42...Rh1 43.Rh1 Rh1 44.Ra6 Nc1 (44...Bf4!? 45.d6 Ke6 46.d7 Kd7 47.Nf6 Kc8 48.Nd5-+) 45.Kf3 Rh3 (45...Rd1!? 46.Ra7 Bc7 47.Rb7 Rd3 48.Ne3 Rc3 49.d6 Kd6 50.Rb5-+) 46.Ke4 Rc3 47.Nf6 Ke7 48.Ng8 Kf8 49.Rd6 (49.Nf6 Be7 50.Nd7 Ke8-+) 49...Kg8 50.Rb6 Nd3 51.Kf5 (51.Rb5 Nf2 52.Kd4 Rc2-+) 51...Nf2 52.Kg6 (52.Rb5 Rf3 53.Ke6 c3-+) 52...Kf8 53.Rf6 (53.Kg5 Rf3 54.d6 Ke8 55.Rb5 c3 56.Re5 Kd7-+) 53...Ke7 54.Rf2 Kd6 55.Rf6 (55.Rb2 Rb3 56.Ra2 b4-+) 55...Kd5 56.Rf5 Kc6 57.Rg5 (57.Rf6 Kc5 58.Rf5 Kb4 59.Kg5-+) 57...b4 58.Kf5 Kd5 59.Kf6 Kd4 60.Rg4 Kd3 61.Ke5 b3 62.Rg3 Kc2 63.Rg2 Kb1 64.Kd4 Rc2 (better 64...Rc1 65.Rg5 c3 66.Kc4-+) 65.Rg5 c3 66.Kc4 Kb2 (better 66...b2 67.Kb3 Rc1-+) 67.Rb5= Kc1 68.Rb3 Kd2 69.Ra3 Rc1 70.Rb3 Ra1 71.Rc3 Ra8 72.Rd3 Ke2 73.Rd6 Ke3 74.Rd7 Ra1 75.Rd8 Rc1 76.Kb3 Rc7 77.Rd6 Ke4 ½–½. chesswizzard – new_reflexx, gameknot.com, 2016.

6.Bg3 Re8 7.d4 d5 8.e3 Ne4 9.Bd3 c5 10.Qc2 Bf5 11.0-0 (11.Nbd2 Nc6 12.Ne5 cd4 13.Nc6 A) 13...Ng3?? 14.Nd8 (worse 14.fg3 Bd3 15.Qd3 bc6-/+; 14.Bf5?! bc6 15.Bh7 Kf8 16.hg3 de3 17.fe3 Bg5+-; 14.hg3?! bc6 15.Bf5 de3 16.Bh7 Kf8 17.fe3 Bg5+-) 14...Bd3 15.Qd3 Nh1 16.Nf7 Kf7 17.cd4+-; B) 13...bc6 14.cd4 Bb4=+) 11...c4 12.Be2?? (better 12.Be4 Be4 13.Qb2=+) 12...Ng3-+ 13.Qa4 (13.Qd1 Nf1 14.Qf1-+) 13...Ne2 14.Kh1 Nc6 (better 14...Bb1 15.Rfb1 Nc3-+) 15.Nbd2 (15.Re1 Bb1 16.Re2 Qb6-+) 15...Bd3 (better 15...Nc3 16.Qc6 bc6 17.Rfc1-+) 16.Rfe1 (16.Rfc1-+) 16…Nc3 (16...Nc3 17.Qc6 bc6-+) 0-1. ClayPigeons (2205) - Kratochwil (2200), Rated Bullet game, lichess.org, 2021.

6.h3 c5 7.e3 Nc6 8.Bh2 d5 9.d4 c4 10.Ne5 Bf5 11.Nd2 (11.g4!? Be6 12.Nc6 bc6 13.Bg2=+) 11...Qa5 12.g4 (12.Rc1 Qa2 13.g4 Be6-/+) 12...Be4-+ 13.f3 (13.Nc6!? bc6 14.Ne4 Ne4-+ (14...de4?! 15.Qc2=)) 13...Qc3 14.Nc6 bc6 (14...Qe3?! 15.Qe2 Qe2 16.Be2 bc6 17.fe4=) 15.g5?? (15.Kf2 Bg6 16.Qc1 Qa5-+) 15...Qe3 (better 15...Bf3 16.Qf3 Ne4-+) 16.Be2 Bg6 (16...Bb4 17.gf6 Bf3 18.Rg1-+) 17.gf6 Bb4 (17...Bf6 18.Bg1 Qf4 19.Qc1-+) 18.Bg1? (18.a3 Bc3 19.fg7-+) 18...Qf4 (18...Qg5 19.Bf2 c3 20.a3 Qd2 21.Qd2 cd2 22.Kf1-+) 19.Rb1?? (better 19.a3 Ba5 20.fg7-+) 19…Bb1 (19...Bb1 20.a3 Bd2 21.Qd2 Qf6-+) 0-1. mgilbert (2315) - karpasov (2630), net-chess.com, 2022.

6.h3 d5 7.Qc2 Nbd7 8.Bh2 (8.Bf4 Re8 9.e3 Nf8 10.Bd3 c5 11.0-0 c4=+ –0.53; 8.Bg3 Nb6 9.e3 Bd7 10.Be2 Ne4 11.Bf4 Bd6=+) 8...c5 9.d3 (9.e3 Re8 10.Be2 c4 11.d3 cd3=+) 9...Re8 (9...Nb6 10.e3 Bf5 11.Be2 Re8=+) 10.g4 (10.e3 b6 11.Be2 b5=) 10...b5 (10...Nb6 11.Bg2=+ Be6=+) 11.Bg2 (11.g5!? Nh5 12.Qb3=) 11...Nb6=+ 12.Nbd2 Bd6 13.e3 Bh2 14.Nh2 Rb8 15.0-0. Tebar Sanchez,J – Martinez Torner,J, IIICEAP, 1984.

6.h3 d6 7.Bg3 Ne4 8.d3 Ng3-/+ 9.fg3 d5 10.e3 Bd6 11.Kf2 c5 12.Nbd2 Qc7 13.g4 Bg3 14.Kg1 Nc6 15.d4 b6 16.Qc2 f5 17.Bd3-/+ c4 18.Bf5 Bf5 19.gf5 Rae8 20.Nf1 b5 21.Ng5=+ Rf6 22.Ne6 Ree6 23.fe6 Re6?? 24.Qf5+- Qd6?! 25.h4 Rf6-+ 26.Qg4?? Bf2# 0–1. rthurc (2400) – kode (2420), net–chess.com, 2009.

6.h3 d6 7.Bh2 b6 8.d3 d5 9.Nbd2 (9.e3 Re8 10.Be2 c5 11.Nbd2 Nc6 12.0-0=+) 9...Re8 (9...Nbd7 10.e3 Re8 11.Be2 a6 12.0-0=) 10.g4 (10.e3 Bd6 11.Bd6 Qd6 12.Be2=+) 10...Nc6 (10...c6 11.Bg2 Nfd7 12.0-0=+) 11.Bg2 Bd6 (11...Be6 12.Rb1=+) 12.0-0 (12.e3=+) 12...Bh2 13.Nh2 Qd6 14.c4 d4 15.Nb3 (15.g5 Nd7 16.Ne4=+) 15...Rb8 (better is 15...Bb7!?-/+) 16.Bc6= Qc6 17.Nd4 Qc5 18.e3 Bb7 19.Re1 h5 (better is 19...Qa5=) 20.f4?? (better is 20.Rb1+=) 20...Re3-/+ 21.Re3 Qd4 22.Qe1 hg4 23.Rd1 Re8 (23...Re8 24.Nf1 gh3-+) 0–1. Tabar – Uriz Lanz,P, corr ESP–Cup3, 1984.

6.d4 Nc6

7.e3 Ne5 8.Ne5 d6 9.Nc4 a5 (9...d5 10.Ne5-/+) 10.Bd3=+ Be6 (10...d5 11.Ne5=+) 11.0-0 b5 (11...Re8 12.a4=+) 12.Ncd2 Qb8 (12...Rb8 13.c4 bc4 14.Nc4=) 13.e4 c5 14.e5 de5-/+ 15.de5 Qe5 16.Re1 Qc7 17.Bb5 Rfd8 18.Qe2 Ng4 19.Bc4?? Qh2 20.Kf1 Qh1 0–1. gtate (1970) – jhendrick (2060), net–chess.com, 2006.

7.Bf6 gf6 8.e3 +/–.

7.Bf6 Bf6 8.e3 d6 9.Bd3 g6 10.Nbd2 Bg7 11.a4 Rb8 12.a5 b6 13.ab6 ab6 14.Qb3 Be6 15.c4 b5 16.Qc2 Nb4 17.Qc3 Nd3 18.Qd3 b4 19.0-0 White prepares the advance d5 19...c5 20.Ra6 Rb6 21.Rfa1 Ra6 22.Ra6 Qc7 23.d5 Bd7 24.h3 Rb8 25.g4 Bc8 26.Rc6 Qe7 (26...Qd8 27.Ne4 Bf8 28.Qd2-+) 27.Ne4? (better 27.Qe4!? Bf8 28.Qe7 Be7 29.Ne4=+) 27...b3-+ 28.Nd6 (28.Rd6?? f5 29.gf5 b2-+) 28...Bd7 29.Ra6 b2 30.Qb1? (better 30.Nd2!?-/+) 30...h5-+ 31.gh5? (31.Nd2-+) 31...Qf6 32.Kg2 Bh3! 33.Kg3 (33.Kh3 Qf3 Double attack (33...Qf3 Deflection; 33...Qf3 Overloading)) 33...Bf5 (better 33...Bf1 34.hg6 fg6 35.Qf1-+) 34.e4 (34.Nf5 Qa6 35.hg6 Qg6 36.Kh3 Qf5 37.Qf5-+) 34...Be4! 35.Ne4 (35.Qe4 b1Q Decoy; 35.Ne4 Qa6 Pinning (35...Qa6 Deflection)) 35...Qa6 36.hg6 (36.Nfd2-+) 36...Qg6 37.Nfg5 Bh6 38.f4 Bg5 (38...Rb3 39.Kg2 Bg5 40.fg5 f5 41.Nf6 Kg7 42.Nh5 Qh5 43.Qb2 Rb2 44.Kg3 Qg4) 39.fg5 Qe4! 40.Qe4 (40.Qe4 Rb3 Decoy) 40...b1Q 41.Qb1 (41.Kf4 Qe4 42.Ke4 Re8 43.Kf4 Kh7-+) 41...Rb1 42.Kf4 Rc1 43.Ke5 Rc4 44.Kd6 Rg4 45.Kc5 Rg5 46.Kc6 Rg1 47.d6 (47.Kd6-+) 47...Rd1 48.d7 f5 49.Kc7 f4 50.d8Q Rd8 51.Kd8 f3 52.Ke7 f2 53.Ke6 f1Q 54.Ke5 Qc4 55.Kd6 Kf7 56.Ke5 Kg6 57.Kd6 Kf6 58.Kd7 Qa6 (58...Qc5 59.Kd8 Ke6 60.Ke8 Qe7) 59.Kc7 Ke6 60.Kd8 (60.Kb8 Ke7 61.Kc7 Qb5 62.Kc8 Kd6 63.Kd8 Qd7) 60...Qb7 61.Ke8 Qb8 (61...Qe7) 0-1. enver_lovac964 (2375) - ToLazyToGetAName (2460), Rated Blitz game, lichess.org, 2016.

7.Bg3 d6 8.Nbd2 Bf5 9.e3 Rb8 10.Bc4 Na5 11.Bb3 Nb3 12.ab3 Qd7 (12...Ra8 13.Qe2=) 13.0-0 (13.Ra7 Ra8 14.Qa1 Ra7 15.Qa7 Qc6+=) 13...a6= 14.Re1 Ne4 15.Ne4 Be4 16.Nh4 Rfe8 17.f3 (17.Nf3!?+=) 17...Qd8-/+ 18.fe4 Bh4 19.Qg4 Bg3 20.hg3 (20.Qg3!? Re4 21.Ra5-/+) 20...Qe7-+ 21.e5 de5 22.Ra5 ed4 23.cd4 (23.Qd4 Rbd8 24.Rd5 c6 25.Rd8 Rd8-+) 23...Qb4 24.Raa1 c5 25.Qh4 Qb3 26.dc5 Re3 27.Rab1 Re1 28.Re1 a5 29.Qe4 Qb5 30.Rb1? (30.Qf5-+) 30...Qc5 31.Kh2 b5 32.Qf4 Rb6 (32...Re8 33.Qf3-+) 33.Rc1 g5 34.Rc5 gf4 35.gf4 Rb8 36.Kg3 (36.Rg5 Kh8 37.Rf5 a4 38.Rf7 b4-+) 36...a4 37.Rc2 (37.Rg5 Kh8 38.Re5-+) 37...b4 38.Ra2 (38.Rc1 b3 39.Ra1 b2 40.Ra4 b1Q-+) 38...b3 39.Ra4 b2 (39...b2-+) 0–1. stameni – marekt (1925), gameknot.com, 2014.

7.Bg3 d6 8.e3 =+.

7.Bg3 d5

8.Nbd2 Bf5 9.e3 Na5 10.Ne5 (10.Nh4 Bd7=+) 10...c5 (10...Ne4 11.Ne4 Be4 12.f3=+) 11.Be2 Rc8 (11...c4 12.Bf4=+) 12.Rc1 (12.0-0!?=) 12...c4-/+ 13.Qa4 a6 14.e4 b5 15.Qd1 de4 16.0-0 Nd5 17.Re1 Bg5 18.Bg4 Bg4 19.Ng4 f5 20.Ne5 f4 21.Ne4 fg3 22.hg3 Bc1 23.Qc1 Nc6 24.f4 b4 25.Ng5 Ne5 26.Re5 Nc3 27.Qe3 Re8 28.Ne6 Qd6 29.f5 Na2 30.f6 gf6 31.Re4 Kh8 32.Nc5 Re4 33.Qe4 b3 34.Qg4 Rg8 35.Qf3 b2 36.Qd1 Qg3 37.Qf1 b1Q! 38.Qb1 (38.Nd3 Qg2) 0–1. dannyboy238 – oldsage, ChessWorld.net, 2006.

8.Nbd2 Bf5 9.e3 Ne4 10.Ne4= Be4 11.Bd3 Bd6 (11...Rb8 12.Be4 de4 13.Nd2=) 12.0-0 (better 12.Be4!? de4 13.Nd2+=) 12...Bg3=+ 13.hg3 Bd3 14.Qd3 f6 (14...Rb8 15.Rfe1=) 15.Rab1 Na5 16.Qb5 (16.Rfe1 Re8=) 16...b6 17.Nd2 c6 18.Qb2 Qd6 (18...Qe7 19.Qb4 Qb4 20.cb4=) 19.e4 (19.Qb4 Qe6=) 19...Rfe8 20.Rbe1 Re7 (20...de4 21.Re4 Re4 22.Ne4=) 21.ed5 (21.Qb4 Qb4 22.cb4 Nc4 23.ed5 Re1 24.Re1 cd5=) 21...cd5=+ 22.Re7 Qe7 23.Qb5 Qf7 (23...Qe6 24.Qa6=+) 24.Re1= h6 25.Nb3 (25.Re7 Qe7 26.Qd5 Kh7 27.Qa8 Qe1 28.Nf1 Qc3 29.Qe4 Kh8=) 25...Nc4=+ 26.Qc6 (26.Re7 Qe7 27.Qd5 Kh7 28.Qa8 Qe1 29.Kh2 Qf2 30.Qe4 f5-/+) 26...Rd8 27.Nc1 Qd7 28.Qd7 Rd7 29.Nd3 Kf7 30.f4 (30.Re2 Na3 31.Rb2 Rd6=+) 30...Nd2-/+ 31.Nf2 Rc7 32.Re3 (32.Rd1 Nc4-/+) 32...Nb1 (32...Rc4!?-/+) 33.Nd1 Re7 34.Re7 Ke7 35.Kf2 Kd7 36.Ke3 Kc6 (36...Na3!?=+) 37.Kd3= Kb5 (better 37...h5!?=) 38.Ne3+/- Kc6 39.Nf5 Na3 40.Ng7 Nc4 41.Nf5 h5 42.Ng7 Nd6 43.Nh5 Ne4 44.g4 (44.c4 Nf2 45.Kd2 f5 46.cd5 Kd5+-) 44...Kd6 (44...Nf2 45.Ke3 Ng4 46.Kf3 Nh2 47.Kg3 Nf1 48.Kf2+-) 45.Ke3 (better 45.Kc2+-) 45...Ke7? (better 45...b5+/-) 46.Kf3?? (better 46.c4+-) 46...Nc3=+ 47.g5 fg5 48.fg5 (48.a3=+) 48...Kf7 (48...Na2!? 49.g6 b5=+) 49.Kf4 Nb5? (49...Na2 50.Ke5 b5 51.Kd5 Nc3 52.Kc5 Kg6+/-) 50.Ke5+/- Nc3 51.g4 (51.Nf4!? b5 52.a3+/-) 51...Na2+= 52.Nf4 Nc3 (52...Nb4 53.Nd5 Nc6 54.Ke4+=) 53.Nd5+/- Nd5 (better 53...Ne2+/-) 54.Kd5+- a5 55.Kc6 (55.Kc4 Kg6 56.d5 Kg5 57.d6+-) 55...a4= 56.d5 a3 57.d6 Ke8?? (57...a2 58.d7 a1Q+=) 58.d7 Kd8 59.g6 a2 60.g7 a1Q (60...Ke7 61.g8Q Kf6 62.Kd5 a1Q 63.d8Q) 61.g8Q Ke7 62.d8Q 1-0. aaryan98 (2230) - Looking_edge (2155), Rated Blitz game, lichess.org, 2016.

8.Nbd2 Bf5 9.e3 Re8 10.Bb5=+.

8.e3 Bd6 9.Bd3 Na5 10.Qc2 Bg4 11.Nbd2 Bh5 12.Rb1 b6 13.c4 (13.Ne5 Re8+=) 13...dc4= 14.Nc4 Nc4 15.Qc4 Bg6 (15...Bf3 16.gf3 c5 17.dc5 Bc5 18.0-0=) 16.Bd6 (16.Bg6 hg6 17.Ne5 Be5 18.Be5 Rc8+=) 16...Qd6 (16...Bd3 17.Qd3 Qd6 18.0-0=) 17.Ne5 (better 17.Bg6!? hg6 18.Ne5+=) 17...Bd3= 18.Nd3 Ne4 (18...Rad8 19.Rb3=) 19.Rc1 Rac8 (19...Qa3 20.Rc2=) 20.Qa6 (20.Qc6 Nc5 21.Ne5 Rfd8+=) 20...c5= 21.dc5 Nc5 22.Nc5 Rc5 23.0-0 Rc1 24.Rc1 Qd7 25.h3 h6 26.Rc4 (26.Qc4 Rd8=) 26...Qe7 (26...Qd1 27.Kh2 Qe2 28.Kg3=) 27.Ra4 Ra8 28.Qc4 Qd7 29.Ra3 b5 30.Qc5 a5 31.Qb6 (31.Qd4 Qe7 32.Rd3=) 31...b4 (better 31...Qd2!? 32.Qc6 Rd8=) 32.Ra5+= Qd1 33.Kh2 Ra5 (33...Ra5 34.Qa5 Qd6 35.g3 g6+/-). ClayPigeons (2160) - Xhulio1998 (2250), Rated Bullet game, lichess.org, 2020.

8.e3 Bd6 9.Bd3 Bg4 10.Qc2 Qd7 11.Nbd2 Rae8 (11...Bf3 12.Nf3 Rfe8 13.Bd6 Qd6 14.Rb1+=) 12.Rb1+= b6 13.Bb5 Bf3 14.gf3 Nh5?? (better 14...Re6+=) 15.Qa4+- Ng3 (15...Rd8 16.Bc6 Qh3 17.Ke2+- (17.Qa7?! Bg3 18.fg3 Ng3 19.hg3 Qh1 20.Nf1 Qh6+/-)) 16.hg3 (16.fg3?! Re3 17.Kd1 Qh3 18.Bc6 Qg2+=) 16...Qf5 (16...Qe6 17.Bc6 Rd8 18.Rh5+-) 17.Bc6 Re7 18.Bb5 (18.c4 Bg3 19.fg3 Re3 20.Kd1 Rf3 21.Bd5 Rd3+-) 18...Bg3 (18...c5 19.g4 Qe6 20.Bd3+-) 19.fg3 (19.Ke2 Bf2 20.Kf2 c6+-) 19...Re3 20.Kf2 (better 20.Kd1 Rc3 21.Rb3 Qc2 22.Ke2 Rd8+-) 20...Re7 (20...Rc3 21.Rbe1 c6 22.Bc6+-) 21.Rbe1 (worse 21.Qa7 Qc2 22.Rbd1 Qc3+-) 21...Qg5 (21...Re1 22.Ke1 Qg6 23.Kd1+-) 22.Qd1 (22.Re7 Qe7 23.Qa7 f5+-) 22...c6 (22...Re1 23.Qe1 (worse 23.Ke1 Qg3 24.Kf1 Qg6+-) 23...Qg6 24.Qe3+-) 23.Bc6 Rc7 (23...Re1 24.Re1 Qh6 25.Bd5 Qh2 26.Kf1 Qg3 27.Qa4 Qh3 28.Ke2+-) 24.Bb5 (better 24.Re5!? Qd8 25.Bd5 h6+-) 24...Rc3 25.Re5 Qf6 (25...Qg6 26.Rd5 Qe6 27.Rhh5+-) 26.Qb1 (26.Nb1 Rc7+-) 26...g6 27.Be2 (27.Rd5 Rfc8+-) 27...Rfc8 (27...Qd6 28.Ba6+-) 28.Qd1 (28.Rd5 R3c6+-) 28...Rc2 (28...Qc6 29.Ba6 Rd8 30.a4+-) 29.Re1 (better 29.Ba6 Qc6 30.Bc8 Qc8+-) 29...Qd6 30.Bd3 (better 30.Re8 Re8 31.Qc2+-) 30...f6 (30...Ra2 31.R1e2 f6+-) 31.Re6 Qb4 (31...Rd2 32.Qd2 Qf8 33.Bb5+-) 32.Re8 (32.Bc2 Qd4 33.Kg2 f5+-) 32...Kf7 (32...Re8 33.Re8 Kf7 34.Qc2 Ke8 35.Qc6 Ke7 36.Qc7 Kf8 37.Qb8 Kg7 38.Qa7 Kh6+-) 33.R1e7! Qe7 34.Re7 Ke7 35.Bc2 Rc2 (35...Kd6 36.Ba4 a6 37.Qb3+-) 36.Qc2 Kd6 37.Qd3 Kd7 38.Qe3 (38.Qa6 Kc6+-) 38...Kd6 39.Qf4 Kd7 40.Qd6! Kd6 41.Nb3 f5 42.Nc5?? (42.Nc1 g5+/-) 42...f4 (better 42...bc5 43.f4 cd4-+) 43.Ne4?? (43.Nd3 fg3 44.Kg3 Ke6+-) 43...Kd7?? (better 43...de4 44.fe4 fg3 45.Kg3 b5-+) 44.Ng5 b5 (44...h6 45.Nf7+-) 45.gf4 (45.Nh7 fg3 46.Kg3 Ke6+-) 45...b4 (45...h5 46.Nf7 a5 47.Ne5 Ke6 48.Ng6+-) 46.f5 (46.Nh7 Ke7+-) 46...Kc6? (better 46...gf5 47.Nh7 Ke7+-) 47.fg6 (47.f6!? Kd6+-) 47…b3 0-1. ClayPigeons (2090) - buduam (2220), Rated Bullet game, lichess.org, 2020.

8.e3 Ne4 9.Qb3 Re8 (9...Rb8 10.Nbd2=+) 10.Bd3 Bf5 11.Be4 de4 12.Ne5 Ne5 13.Be5 Rb8 14.Nd2 Bg5 (14...b5 15.0-0=+) 15.Qb5 c6 (15...Bf6 16.Bf4 Bg6 17.Qa5+=) 16.Qb2+= Rc8 17.Qb7 Re7 18.Qa6 f6 19.Bg3 Qb6? (19...c5 20.dc5 Rc5 21.h4+=) 20.Qa3 (20.Qb6 ab6 21.Nc4 Ra8+-) 20...Rb7? (better 20...Qd8!?+-) 21.0-0 White gets the initiative 21...Qd8 (21...Qb2 22.Qb2 Rb2 23.Nc4+-) 22.Rab1 (22.Nc4 Be6 23.Nd6 Rcb8+-) 22...Rf7? (better 22...Rd7+-) 23.Nc4 Rd7 24.Na5 (better 24.Nd6!? Rd6 25.Bd6 Qd7+-) 24...Qe8 (24...Bg4 25.Nb7 Qf8 26.Qb3 Kh8 27.Nc5+-) 25.Nb7 Qe6 (25...Ra8 26.Qa4 Bg4 27.Rfc1+-) 26.Rb3 Qd5 27.Nc5 (27.Rc1 Rf8+-) 27...Rf7 28.Rfb1 Qc4?! (28...Be6 29.Ne6 Qe6 30.Rb8+-) 29.Rb7 (29.Nb7 Rd7+-) 29...Ra8 (29...Rb7 30.Rb7 Qe2 31.Qb3 Kh8 32.h4 Be3 33.fe3 Qe3 34.Kh2+-) 30.Rf7 (30.R7b4 Qd5+-) 30...Qf7 31.Rb7 Qd5 32.Ra7 Ra7 33.Qa7 Qd8 (33...h5 34.h4 Bh6 35.Qa6+-) 34.a4 h5 35.Qb8 Qb8 36.Bb8 g6 (36...Bc8 37.a5 f5 38.a6 Ba6 39.Na6+-) 37.a5 Bc8 38.a6 Ba6 39.Na6 Kf7 40.Nb4 Ke6 41.Nc6 Kd5 42.Ne7 Kc4 43.Ng6 Bh6 (43...h4 44.Bf4 Bf4 45.Nf4+-) 44.Nf4 (44.Bf4 Bg7+-) 44...h4 (44...Bf4 45.Bf4 f5 46.h3+-) 45.Nh5 f5 46.Nf4 (better 46.Be5 Bf8+-) 46...Kc3 (46...Bg5 47.Ne6 Bh6 48.Be5+-) 47.d5 Bg5 48.d6 Kd2 (48...Kb4 49.d7 Kc5+-) 49.d7 Be7 50.Bc7 (better 50.Nd5 Bg5 51.Bd6 Bd8+-) 50...Kc2 51.d8Q (51.d8Q Bd8 52.Bd8+-) 1–0. petrobbo (1960) – zjatteke (2195), ChessWorld.net, 2010.

8.e3 Bf5 9.Bd3 Be4 10.0-0=+.

8.e3 Bf5 9.Bd3 Ne4 10.0-0 Re8 (10...Na5 11.Qc2 Nc4 12.Qe2=+) 11.Be4 (11.Qc2 Bf6=) 11...Be4 (11...de4 12.Ne5=+) 12.Nbd2 Bd3 13.Re1 Bd6 14.Qb3 Na5 (better 14...Bg3!? 15.hg3 b5=) 15.Qd5+/- Bg3 16.Qa5 Bd6 17.e4 Bf4 (17...c5 18.Qd8 Rad8 19.e5+=) 18.e5 (18.g3 Bh6+/-) 18...Re6+= 19.d5 (better 19.g3 Rg6 20.Rad1+=) 19...b6?? (19...Rg6 20.e6 fe6 21.de6 Qe7+/-) 20.Qb4 (20.Qa4!? Bh2 21.Kh2 Qd5+-) 20...Bd2 21.Nd2?? (better 21.de6 Be1 22.ef7 (22.Re1?! fe6 23.Rd1 c5=) 22...Kf7 23.Qb3 (worse 23.Ne1 Bg6+-) 23...Kf8 24.Re1+- (24.Ne1?! Bf5+/-)) 21...Qd5= 22.Rad1 (22.Nf3!?=) 22...Re5-/+ 23.Re5 (23.Nf3 Re1 24.Ne1 c5-/+) 23...Qe5 24.Nf3 Qe2 25.Re1 Qc2 (25...Qa2!? 26.Qe7 Bb5-/+) 26.Qe7=+ h6 (26...Qc3?? 27.Qe8 Re8 28.Re8; 26...Qa2?? 27.Qe8 Re8 28.Re8) 27.Ne5 Bg6 28.Ng6 fg6 29.Qc7 Qa2 30.h3 Rf8 31.Re7 (31.f3!?=) 31...Qf2 (31...Rf7 32.Re8 Kh7 33.Qg3-/+) 32.Kh1 (32.Kh2 Rf7 33.Qa7 Re7 34.Qe7 Kh7-/+) 32...Qf1 (32...Qf6 33.Qa7 Rc8 34.Qb7=+) 33.Kh2 Qf4 (33...Rf7 34.Qa7 Qf4 35.Kg1 Qf2 36.Kh2 Re7 37.Qe7-/+) 34.Qf4=+ Rf4 35.Ra7 Rc4 36.Rb7 Rc6 37.Kg1 g5 38.Kf2 Kh7 39.Ke2 Kg6 40.Kd3 Kh5 (40...Kf6 41.Kd4=+) 41.Rg7= Kh4 42.Re7 Kg3 43.Re2 Rf6 44.Kc4 (44.Kd4 Rf4 45.Ke3 g4=) 44...Rc6 (44...Rf2 45.Re6-/+) 45.Kb4 h5 Black prepares g4 46.c4 g4 47.hg4 hg4 48.Kb5 Rc5 49.Kb4 (49.Kb6? Rc4 50.Kb5 Rf4-+) 49...Rf5 50.Rd2? (50.Re6 Rf2 51.Rb6 Rg2=) 50...Kh2 (better 50...Rf2 51.Rd4 Rg2 52.Rd3 Kh4-+) 51.Re2?? (better 51.Rd6=) 51...g3-+ 52.Re6 (52.Kc3 b5-+) 52...Kg2 53.Rb6 Kg1 (better 53...Kf3-+) 54.Rg6= g2 55.c5 Kf2 56.Kb5 Rf3 57.Rg2 Kg2 58.c6 Rc3 59.Kb6 Kf3 60.c7 Ke4 61.Kb7 Rb3 62.Ka7 Ra3 63.Kb7 Rb3 64.Ka7 Rc3 65.Kb7 Kd5 66.c8Q Rb3?? (better 66...Rc8 67.Kc8=) 67.Ka6+- Ra3 68.Kb5 Re3 (68...Rb3 69.Ka5 Kd4 70.Qh8 Ke4 71.Qh4 Kd5 72.Qd8 Ke4 73.Qe8 Kd4 74.Qa4 Kc3 75.Qf4+-) 69.Qb7 Ke5 70.Kc4 Re4 71.Kc3 (71.Kd3 Rg4+-) 71...Rf4 72.Qc7 Ke4 73.Kd2 Rf2 74.Ke1 Rf3 75.Qc6 Kf4 76.Ke2 Re3 77.Kf2 Re4 (77...Re5+-) 78.Qf6 Kg4 79.Qg6 (79.Qf3 Kh4 80.Qe4 Kg5 81.Kg3 Kf6 82.Kf4 Kf7 83.Kf5 Kg7 84.Qe8 Kh7 85.Kf6 Kh6 86.Qg6) 79...Kf4+- 80.Qe4 (better 80.Qd6 Re5 81.Qc7+-) 80…Ke4= ½-½. cipiripi (2480) - dmitrisilver (2420), Rated Blitz game, lichess.org, 2016.

8.e3 Bg4 9.Bd3 Ne4 10.Qc2 Nf6 (10...f5 11.Nbd2=) 11.Nbd2 Qd7 (11...h6 12.Rb1 Rb8 13.0-0=) 12.0-0 (12.Ne5 Ne5 13.de5 Nh5 14.Bh7 Kh8+/-) 12...Rfe8 (12...h6 13.Rfb1 Rab8 14.Ne5 Ne5 15.Be5+=) 13.a4 (13.Rfb1 Reb8+=) 13...Bd6 14.a5 (14.Bd6 Qd6 15.Rab1 Rab8=) 14...Bg3 15.hg3 Ne7 (15...a6 16.Rfb1 Ra7 17.Nb3=) 16.Ne5 Qe6 17.c4 h6 (better 17...Reb8!?+=) 18.cd5 Ned5 19.Bc4 c6 (19...Bh5!? 20.Rfb1 c5 21.Rb7 cd4 22.ed4 a6+-) 20.e4+- (20.Ng4?! Qg4 21.Nf3 Qh5+=) 20...Nb4 (better 20...Ne4 21.Qe4 Bf5+-) 21.Qb3 Qe7 (21...Nbd5+-) 22.Bf7 Kh7 23.Bg6 Kh8 24.Be8 Re8 (24...Qe8 25.Qb4 Rd8+-) 25.Ng6 (25.Ng6 Kh7 26.Ne7 Re7 27.Qb4+-) 1-0. ClayPigeons (2165) - onik2 (2225), Rated Bullet game, lichess.org, 2019.

8.e3 Bg4 9.Be2 Re8 (9...Ne4 10.Bf4=+) 10.0-0 Ne4 11.Bf4 Na5 12.Nfd2= Be2 13.Qe2 Nd6 14.a4 Rc8 15.Qh5 Ndc4 16.Ra2 Qd7 17.Nc4 Nc4 18.Nd2 g6 19.Qf3 Nd2 20.Rd2 c6 21.Rb2 b6 22.Ra2 Bf8 23.h4 Bg7 24.h5 Qf5 25.hg6 hg6 26.Qh3 Qh3=+ ½–½. berlinwall (1840) – Harnas (1790), internet, 2007.

6.d4 d5

7.Nbd2 c5 8.e3 Nc6 9.Bf4 Nh5 10.Bg3 cd4 (10...c4 11.Rb1+=) 11.cd4 (11.Nd4 Nf6=) 11...Ng3+= 12.hg3 Bf5 13.Nh4 Bh4 14.gh4 (better is 14.Rh4!? Nb4 15.Rc1 Na2 16.Rc2-/+) 14...Nd4!-+ 15.ed4 (15.Rc1 Rc8 16.Rc8 Qc8-+) 15...Re8 16.Be2 Bd3 17.Nb3 Be2 18.Qe2 Qf6 19.Qe8 Re8 20.Kd2 (20.Kf1-+) 20...Qf2 21.Kc3 Rc8 22.Kb4 (22.Nc5 Qe3 23.Kb2 Qd4 24.Kc2 Rc5 25.Kb3 Rc3 26.Kb2 Qb4) 22...Rc4 23.Ka3 (23.Kb5 Qf6 24.Rhe1 Qb6) 23...b5 24.g4 (24.Nc5 Qe3 25.Nd3 Qd3 26.Kb2 Qc3 27.Kb1 Qb4) 24...Ra4 0–1. grahamtrue (2135) – pcmvr, net–chess.com, 2016.

7.Nbd2 Nbd7 8.Bf4 Nh5 9.Bg3 (9.Be5 Ne5 10.de5 f6-/+) 9...c5 (9...Re8 10.e3=+) 10.e4 (10.dc5 Ng3 11.hg3 Nc5=+) 10...Ng3 11.hg3 cd4 12.cd4 (12.Nd4!? Re8 13.Bd3=+) 12...de4-+ 13.Ne4 Bb4 14.Nfd2 (better is 14.Ned2!? Re8 15.Be2-/+) 14...Re8-+ 15.Bd3? Nc5! 16.Qf3 Qd4 17.Rh4 Nd3 18.Kf1 Qa1 19.Ke2 Nc1 (19...Nc1 20.Kf1 Na2 21.Ke2 Nc1 22.Kd1 Nb3 23.Ke2 Nd4 24.Kd3 Qa6 25.Nc4 Nf3 26.gf3 Bf5 27.Rh7 Rad8 28.Ke3 Bh7 29.g4 Qc4 30.Kf4 Qc7 31.Ke3 Qc1 32.Ke2 Qe1#) 0–1. C_D_B7 – pierre, ChessHere.com, 2006.

7.Nbd2 Nbd7 8.Bg3 b6 9.e3 c5 (9...Ne4 10.Bd3 Ndf6 11.Qc2 Bf5 12.Be5 Re8= –0.13/8) 10.Bd3 (10.Bb5 Bb7 11.0-0 a6 12.Bd7 Qd7= –0.25/8) 10...c4 11.Bc2 Bb7 (11...Re8 12.Ne5 Ne5= 0.03/9) 12.h4 (12.Bf5 g6 13.Bh3 Nh5=) 12...b5 (12...Re8=+ –0.38/9) 13.a3 a5 (13...Ne4 14.Ng5=+) 14.h5 b4 (14...Ne4 15.Qb1 Nc3 16.Bh7 Kh8 17.Qc2=) 15.cb4 ab4 16.ab4 Ra1 17.Qa1 Bb4 18.Bh4 Qc7 19.Ng5 Ra8 20.Qb1 Bc3 21.Bh7 Kf8 22.0-0?? Bd2-/+ 23.h6? c3?? 24.hg7?? Ke7?? 25.Nf7?? Ba6?? 26.Qf5?? Bf1-+ 27.Ne5 Bd3 28.Ng6?? Kd6?? 29.Bg3 Kc6 30.Ne7 Kb7 31.Qd3 Qc4 32.Qb1 Nb6 33.Bd3 Ra1? (33...Ra1 34.Qa1 Qd3+/–; better is 33...Qa2!? 34.Qa2 Ra2=). Bido – Maier, corr, 1981.

7.Nbd2 Bf5 8.e3 (8.Qb3 b6 9.c4=+) 8...h6 (8...Nbd7 9.Qb3 b6 10.c4=+) 9.c4 (9.Qb3 Bc8=) 9...c6 (9...Nbd7 10.Qb3=) 10.cd5 (10.Qb3 b6=) 10...cd5 11.Be2 Nc6= 12.0-0 Ne4 13.Qb3 Ne5 14.de5 Nd2 15.Nd2 Qd7 16.Bb5 Qc7 17.Qd5 Be6 18.Qe4+= Qb6 19.Bd3 g6 20.Rfc1 Bf5+= 21.Qf4?? Bd3-+ 22.Qd4 Qd4 23.ed4 Rac8 24.Nb3 b6 0–1. gtate (2005) – anotherblunder (2175), net–chess.com, 2005.

7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.c3 Be7 7.d4).

7.Bf6 gf6?! 8.e3=.

7.Bf6 Bf6-/+ 8.e3 c5 9.Bd3 cd4 (9...c4!? 10.Bc2 Nc6-/+) 10.cd4+= Nc6 11.Nbd2 (11.0-0 Be6+=) 11...g6 12.0-0 Nb4 13.Be2 Nc6 (13...Bf5 14.Qb3 Qd6 15.Rac1=) 14.Nb3 (14.Bd3 Qd6+=) 14...Qd6+= 15.Qd2 Bf5 16.Rfc1 Rac8 17.a3 Qe7 (17...b6 18.a4+=) 18.Ne1 (18.Rc5 Rfd8+=) 18...Rfe8 (18...b6 19.Bd3 Bd7 20.Nf3+=) 19.Bf3= Qd6 20.Nd3 a5 (20...g5 21.h3=) 21.Rc5 Exerts pressure on the isolated pawn 21...Be4 22.Na5 Na5 23.Ra5 Bf3 (23...Bd8 24.Rb5 Bf3 25.gf3=) 24.gf3+= b6 (24...Bd8 25.Rc5 Rc5 26.Nc5+=) 25.Rb5 Red8 (25...Qd7 26.a4 Qf5 27.Qd1+/–) 26.Nf4 Qc6 (26...Bg5 27.Rd5 Qf6 28.Rd8 Rd8 29.Rd1+=) 27.Rab1 Qa8 (27...Bg5!?+/–) 28.Qa2+- (28.Rb6?! Bg5+/–) 28...Bh4 (28...Rc6 29.a4+-) 29.Rb6 (29.Nd5 Qa4 30.Nb6 Rc2+-) 29...Rc3 (29...Bg5 30.Nd3+-) 30.a4 Qc8 31.R6b2 (31.Rb8!? Qb8 32.Rb8 Rb8+-) 31...Qf5 32.Kg2 Kg7 33.Rg1 Bg5 (33...Rc4 34.a5 Rdc8 35.Qb1 Qb1 36.Rbb1+-) 34.Ne2 Rc4 (34...Rc6 35.a5+-) 35.a5 Rdc8 (35...Ra8 36.Rgb1+-) 36.a6 R4c7 (36...Qd7 37.Qb3+-) 37.Qb1 (37.Rgb1 Ra7+-) 37...Qe6 (37...Qb1 38.Rgb1 Ra7 39.Ra2+-) 38.Rb6 Rc6 (38...Qd7+-) 39.Rc6 Rc6 (39...Qc6 40.Qb7 Qb7 41.ab7+-) 40.a7 Qe8 (40...Ra6 41.Qb7 Be3+-) 41.Qb7 Rc8 42.Ra1 Ra8 43.Qd5 (better is 43.Nc3!? Kh6+-) 43...Qd8 (43...Be7 44.Nf4 Qc8 45.Rc1+-) 44.Qc6 1–0. Letzelter,Jean_Claude – Pitzl,Konstantinos, World Senior Team Championship S65, 2017.

7.h3 Ne4 8.e3 c5 9.Bd3 Bf5 10.0-0 (10.Qb3 Qd7 11.Qb2 c4+=) 10...Nc6 11.Nbd2? (better is 11.dc5 Bc5 12.Bf4-/+) 11...Nc3-+ 12.Qc2 (12.Qb3 Bd3 13.Qc3 Bf1 14.Rf1-+) 12...Ne2!! (12...Ne5 13.Bf5 Nf3 14.Nf3+=) 13.Kh1 (13.Be2 Bc2 Pinning (13...Bc2 Deflection)) 13...Nb4 14.Qa4 (14.Bf5 Nc2 15.Bc2 cd4 16.Bd4-+) 14...Nd3 15.Qb3 (15.dc5 Ne5 16.Ne5 Qc7-+) 15...c4 16.Qb7 c3 17.Nb3 c2 18.Qa6 (18.Ng1 Nc3-+) 18...Qb6 19.Qb6 ab6 20.Bf4 (20.Ng1 Nc3 21.g4 Bd7-+) 20...Nef4 21.ef4 Ba3 22.Nh4 (22.Ne5 Bb2-+) 22...Bc8 23.Nf3 Bb2 24.Rac1 (24.Kh2 Ba1 25.Ra1 Ra3-+) 24...Nc1 25.Nc1 Re8 26.Nb3 Ra2 27.g3 Bh3 28.Rg1 Ra3 29.Nfd2 Re2 30.Kh2 Bg4 31.Kg2 Rd2! 32.Nd2 Bd1 0–1. guides (1880) – antinephilehi (2170), gameknot.com, 2014.

6.d4 d6

7.Bf6 Bf6 8.e3 c5 =.

7.Bg3 c6 8.e3 Qa5 9.Bd3 Bg4 10.h3 Bh5 11.0-0 Nbd7 12.Be2 Rfe8 13.Qb3 b5 14.Nbd2 d5. algernon (2320) – jupiter (2545), net–chess.com, 2004.

7.Bg3 d5 8.e3 Ne4 9.Bd3 c5 10.0-0 (10.Qc2 f5=+) 10...Nc6 11.Qc2 Bf5 12.a4 (12.dc5 Bc5 13.Bf4 Qe7=+) 12...c4 13.Be4 Be4 14.Qd1 (14.Qb2 Qd7=+) 14...f5 15.Nbd2 f4 (15...Qa5!? 16.Qc1 Bd3=+) 16.ef4 (16.Bf4 Bd3 17.Re1 Bf6+=) 16...Bd3 17.Re1 Bd6 (17...h5!?=) 18.Ne5+= Ne5 19.fe5 Be7 20.Nf3 Kh8 (20...Be4 21.Re3+=) 21.Re3 Bg5 (21...Qa5+=) 22.Re1 Qe7 (22...Be7!?=) 23.Ra2 (23.Ng5 Qg5 24.a5 Rae8+/-) 23...a6 (23...Bh6 24.e6+=) 24.a5 Rae8 25.Rb2 Rf7 (25...Bh6 26.Rb6+/-) 26.Qa1 (26.e6 Rf5+-) 26...Ref8? (26...Be4 27.Ng5 Qg5 28.Qa4+-) 27.Rb6 (27.Ng5 Qg5 28.e6 Rf6+-) 27...Be4 (27...Rf3 28.gf3 Bd2 29.Rd1+-) 28.Ng5 Qg5 29.Qb2?? (29.f3 Bf5+-) 29...h5?? (better 29...Rf2! 30.Qf2 Rf2 31.Kf2 Qd2 32.Re2 Qc3-/+) 30.h4 (30.e6 Rf6 31.f3 Bf5+-) 30...Qg4 31.Rb7 Rf2 32.Qf2 Rf2 33.Kf2 Qf5 (better 33...g5 34.e6! Qe6 35.Be5 Kg8 36.Rg7 Kf8+-) 34.Kg1 Qg6 35.Kh2 Kh7 (35...Qg4 36.Rg1+-) 36.Rf1 (better 36.Rb6 Qg4 37.Ra6+-) 36...Bf5 (36...Qh6 37.Rf4 Qc6 38.Rff7+-) 37.Rf4 (37.Rb6 Be6+-) 37...Be6? (37...Qc6 38.Rb6 Qc8+-) 38.Rb6 Qd3 (38...Qe8 39.Ra6 Kg8+-) 39.Re6 Qc3 40.Rb6 (better 40.Ra6 Qc2 41.e6+-) 40...Qa5 41.Rf7 (41.Rb7 Qa4 42.e6+-) 41...Qb6-+ 42.e6 (42.Rf5 c3 (42...Qd4?! 43.e6 Qc5 44.Re5-+) 43.Bf2 c2-+) 42...Qd4 (42...Qe6 43.Rc7-+) 43.Rf4 (43.Rf5 Qc5 44.Re5-+) 43...Qe5 (better 43...Qe3 44.Rf5 Qe6 45.Rh5 Kg8-+) 44.Rf5 (44.Rc4 Qe6 45.Rd4 Qc6-+) 44...Qe6 (better 44...Qf5 45.e7 Qe6-+) 45.Rh5 Kg8 46.Rg5 (46.Re5 Qc6-+) 46...Qf7 (better 46...c3-+) 47.Rg7 (47.Be5-+) 47...Qg7 48.Be5 (48.Bf4-+) 48...Qe5 49.g3 (49.Kg1 c3 50.Kf1 c2 51.Kf2 c1Q 52.g4 Qee3 53.Kg2 Qcg1) 49...Qe4 (49...Qe2 50.Kh3 c3 51.h5 c2 52.h6 c1Q 53.h7 Kh7 54.g4 Qce3 55.Kh4 Qh2) 50.Kh3 (50.h5 c3 51.Kh3 c2 52.h6 c1Q 53.h7 Qh7 54.Kg4 Qf1 55.Kg5 Qff5) 50...Qf3 51.h5 d4 52.h6 Qh5 (52...Qh5 53.Kg2 c3 54.g4 Qg4 55.Kf1 c2 56.h7 Kh7 57.Kf2 Qf4 58.Kg2 c1Q 59.Kh3 Qcf1) 0-1. ClayPigeons (2185) - jssnoow (2240), Rated Bullet game, lichess.org, 2020.

7.Bg3 Re8 8.e3 d5 9.Bd3 c6 10.Nbd2 Bf8 11.Qc2 h6 12.Ne5 Nbd7 13.Ndf3 Ne5 14.Ne5 Bd6 15.0-0 Nh5? (better is 15...c5=) 16.Nf7! Kf7 17.Bg6 Kg8 18.Bd6 Re6 19.Be5 Qg5 20.Bh5 Qh5 21.f4 Rg6 22.f5 Rg5 23.f6 Bf5 24.Qf2 (better is 24.Qb2 Rf8 25.fg7+-) 24...Rf8?? (better is 24...Be4 25.Bg3 Rf8=) 25.h4+- (25.h4 gf6 26.Bd6+- (26.hg5?! fe5 27.gh6 Qh6+-); 25.fg7?! Rf7 26.Qd2 Qg6+-) 1–0. Romanov,Evgeny – Patrin,Yury, Kemerovo RUS, Regional Ch, 2013.

7.Bg3 Bf5 8.Nbd2 c5 9.e3 Re8 10.Bb5 Nbd7= 11.0-0 a6 12.Ba4 b5 13.Bc2 Bc2 14.Qc2 Nd5 15.e4 Nc7 16.d5 Nb6 17.c4 Bf6 18.Rab1 b4 19.Nb3 a5= 20.a4? Na4-/+ 21.Na1 Nc3-+ 22.Rb3? a4 23.Rc3 bc3 24.Rb1 a3 25.Ne1 a2 26.Rb3 Na6 27.f3 Nb4 28.Qe2 c2 29.Nec2 Nc2 30.Nc2 a1Q 31.Na1 Ra1 32.Kf2 Bd4 (32...Bd4 33.Re3 Ra3-+) 0–1. alaamattar (2200) – dnenneman (2045), net–chess.com, 2009.

7.Bg3 Bf5 8.e3 Nbd7 9.Bd3= Be4 10.0-0 d5 11.Nbd2?? (better is 11.c4=). Castlegrande – Alissa, ChessWorld.net, 2005.

7.Bg3 Bg4 8.e3 Nbd7 9.Bd3 c5 10.Nbd2 d5 11.0-0 (11.h3 Bf3 12.Qf3 Qa5=+) 11...b6 (11...c4 12.Be2=+) 12.a3 (12.h3 Bh5 13.Qc2=) 12...Rc8 (12...Nh5 13.h3 Ng3 14.fg3=+) 13.a4 (better 13.Ba6!?+/-) 13...c4 (13...Nh5 14.Qc2 Ng3 15.fg3=+) 14.Bc2 a6 (14...Nh5 15.Be5=+) 15.Qb1 Nh5 (15...h6=) 16.Ne5?? (16.Bh7 Kh8 17.Bf5 Ng3 18.fg3 Bf5 19.Qf5 Nf6+/-) 16...Ne5?? (better 16...Ng3!? 17.hg3 Ne5 18.de5 g6-/+) 17.Be5 (17.Bh7 Kh8 18.Be5 Bd7+/-) 17...f6 (better 17...g6!? 18.a5 b5=) 18.Bh7+/- Kf7?? (18...Kh8 19.Bf5 Bf5 20.Qf5+/-) 19.Bg3 (better 19.Qg6 Ke6 20.Qg4 f5 21.Qh5+-) 19...Ng3?? (19...Rh8 20.Qg6 Kf8 21.Qg4 Rh7 22.Qe6+-) 20.hg3 (better 20.Qg6 Ke6 21.Qg4 f5 22.Qg3 Bd6 23.Qg7 Qf6 24.Qf6 Kf6+-) 20...g5?? (20...Rh8 21.Qg6 Kf8 22.Qg4 Rh7 23.e4+-) 21.f3 (21.Qg6 Ke6 22.f3 Qe8 23.fg4 Qg6 24.Bg6 Rc7+-) 21...Bh5?? (better 21...Bd7+/-) 22.g4+- Rh8 (22...Bg4 23.fg4 Bd6 24.Qf5+-) 23.gh5 Rh7 (23...Bd6+-) 24.Qh7 Ke6 25.g4 (25.e4 Kd6+-) 25...Qh8 (25...Kd7 26.e4+-) 26.Qf5 Kd6 27.e4 de4 28.fe4 b5 (28...Qg8 29.Rab1 Kc7 30.Rb6+-) 29.e5! fe5 30.de5 (30.ab5 Kc7 31.Ra6 Qe8+-) 30...Kc7 31.ab5 Bc5 (31...Rf8 32.Qe6 Bc5 33.Kh1 Rf1 34.Rf1 Qa8 35.Kh2+-) 32.Kg2 Rd8 33.Ne4 Be3 34.Ra6 Rd3 35.Rc6 (35.Qf7 Kb8 36.Rfa1 Ba7 37.Ra7 Rd2 38.Nd2 Qh5 39.Qb7) 35...Kb7 36.Ra1 (36.Qf7 Rd7 37.Qd7 Kb8 38.Nd6 Qh5 39.Qb7) 36...Bf4 37.Qf7 Kb8 (37...Rd7 38.Qd7 Kb8 39.Qc7) 38.Qa7 (38.Qc7) 1-0. ClayPigeons (2145) - lials (2200), Rated Bullet game, lichess.org, 2021.

6.e3 d5

7.Qc2 Nbd7 8.d4 Ne5 9.de5 Ne4 10.Bd3 f5 11.0-0 Nc5 12.Rd1 Qe8 13.Bf1 c6 14.c4 dc4 15.Bc4 Kh8 16.Nd4 ½–½. Vidoniak,Roman (2400) – Sadewasser,Axel (2215), Verbandsliga Nord Baden, 2007.

7.Bd3 Nbd7 8.0-0 Ne5 9.Ne5 Bd6 10.f4 c5 11.Na3 c4-+ 12.Be2? Ba3 13.d3 Bf5 14.Qd2 cd3 15.Bd3 Ne4 16.Be4 Be4 17.Nd3 Re8 18.Nf2 Bc5 19.Rae1 Qa5 20.Re2 Rad8 21.Nd3 Be7 22.Nf2 Bf5 23.Nd3 Rc8 24.Nb4 Red8 25.Rc1 Bf6 26.a4 Be4 (26...Be4 27.Qd1 Bc3-+) 0–1. Austin – marekt, 1.b4 internet, 2005.

7.d4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.c3 Be7 7.d4).

7.Be2 c5 8.0-0 Nc6 9.Bg3 h6 10.h3 Bf5 11.d3 Bd6 12.Nh4 Bh7 13.Nd2? Bg3-+ 14.fg3 Re8 15.e4 c4 16.ed5 cd3 17.Bf3 Ne5 18.Qa4 g5 19.Be4? gh4 20.Bh7 Kh7 21.Qh4 Nd5 22.Qe4 Kg7 23.Qd4 Rc8 24.Qa7 b6 25.c4 Ra8 26.Qb7 Nc3 27.c5 Nd5 28.cb6 Re7 29.Qa8 Qa8 30.Rfb1 Ne3 (30...Ne3 31.b7 Rb7-+) 0–1. mic (2195) – icyglare (2495), net–chess.com, 2009.

7.Be2 Nc6 8.0-0 Ne5 9.Ne5 Bd6 10.Nf3 c6 11.d4 Bg4 12.Nbd2 Qc7 13.h3 Bf5 14.Nh4 Bd7 15.Bd3 c5 16.Nf5 c4 17.Bc2 Bf5 18.Bf5 Qa5 19.e4 Qc3 20.e5 g6 21.ef6 Bb4 22.Qg4 Qd2 23.Rfd1 Qb2 24.Qg5 Rfd8 25.Bg4 Qa3 26.Bf3 Qa5 27.h4 c3 28.h5 c2-+ 29.Rd3 Rac8 30.hg6 hg6 31.Be2? Re8 32.Bf1 Re4 33.g4? Qc7 34.Rg3?? Rd4 (34...Rd4 35.Qh6 Bf8-+) 0–1. Armstrong,Alan – Buss,Michael, corr 3GMM–06, 1996.

7.Be2 Nc6 8.Bf6 gf6 9.d4 +=.

7.Be2 Nc6 8.Bf6 Bf6 9.d4 Bf5 10.Bd3 Qc8 11.Bf5 Qf5 12.Nbd2 =.

7.Be2 Nbd7 8.Bf6 Nf6 9.0-0 Qd6 10.d4 Bf5 11.Bd3 Be4 12.Be4 =.

7.h3 c5 8.d4 Ne4 9.Bd3 c4 10.Be4 de4 11.Nfd2 Qd5 12.0-0 f5 13.Qe2 Be6-/+ 14.f3 Nc6 15.f4 Qb5 16.a4?? Qb2-+ 17.Nc4 Qe2 (17...Qe2 18.Nd6 Ne5 19.de5 Bd6 20.ed6 Bc4-+) 0–1. helmisflorin – Nda_Vie (2085), internet, 2009.

5.Bc3 Bc3

6.Nc3 Nc6 7.e3 Re8 8.Be2 d5 9.d4 Bf5 10.a3 Ne4 11.Ne4 Be4 12.0-0 Qf6 13.Bd3 Bf3 14.Qf3 Qf3 15.gf3 Re6 16.Rab1 b6 17.Kg2 Na5 18.Rg1 c5 19.dc5 bc5 20.Rb5 Nc4 21.Bc4 dc4 22.Rc5 Ra6 23.Rc4 Ra3 24.Rd1 g6 25.Rd7 Rf8 26.Rcc7 a5 27.e4 a4 28.e5 Ra1 29.e6 1–0. donex7 (1830) – ulla (1700), gameknot.com, 2014.

6.Nc3 d5

7.d4 c6 8.e3= Re8 (8...Bg4 9.Be2=) 9.Bd3 (9.Be2 b5 10.0-0 Qa5=) 9...Ne4 (9...Bg4 10.Be2=+) 10.Ne2 (10.Be4 de4 11.Nd2 Qa5=) 10...Bg4=+ 11.Be4 Re4 12.Ng3 Bf3=+ 13.gf3 Re6 14.Rg1 Nd7 15.Rb1 b5 16.Kf1 Qh4 17.Rg2 Qh3 18.Kg1 Rg6 19.Kh1 Re8 20.Qd3 Nb6 21.e4 a5 22.Rgg1 a4 23.Rbe1 Ree6 24.Qd2 de4 25.fe4 Nc4 26.Qd3 Qh4=+ 27.Qf3 Nd2 28.Qd3 Nc4 29.Qf3= Kf8 30.Rd1 Rgf6 31.Qg2 g6 32.Rd3 Nb2 33.Re3 Rf4 34.d5 Ref6 35.Re2 Nc4 36.Rd1 Ne5 37.dc6 Rc6 38.Rd5 Nf3 39.Rd3 Ng5 40.f3 h6 41.a3 Kg7 42.Re1 Rff6 43.Red1 Kh7 44.c3 Nh3=+ 45.Qd2 Qg5-/+ 46.Qg5 hg5 47.Rf1 Nf4 48.Re3 Rfd6 49.e5 Rd3 50.Rd3 Nd3 51.Ne4 Ne5 52.Rb1 f5 53.Rb5 fe4 54.Re5 ef3 55.Re3 g4 56.Kg1 g5 57.Re4 Rc3-/+ 58.Ra4 Rc1-+ 59.Kf2 Rc2 60.Kf1 Rg2 0–1. Woelfelschneider,Peter – Luzuriaga,Norberto Horacio, corr or01–003, 2001.

7.d4 Ne4 8.Ne4 de4 9.e3?? ef3-+ 0–1. Woelfelschneider,Peter – Namdeo,Ashish, corr or01–003, 2001.

7.d4 Ne4 8.Ne4 de4 9.Ne5 b5 10.h3 e3 (10...f6 11.Ng4-/+) 11.fe3 (better 11.Qd3!?=) 11...Qh4-/+ 12.Kd2 Nd7 13.Nd7 (13.Nf3 Qh6 14.Ke1 Re8-/+) 13...Bd7 14.Qe1 (14.g4 Bc6 15.Rh2 Rae8-+) 14...Qf6 (14...Qh6 15.Qg3-/+) 15.g4 (15.g3!?-/+) 15...c5-+ 16.c3 (16.Bg2!? cd4 17.Ba8 de3 18.Kd3-+) 16...b4 17.cb4?? (17.Bg2 bc3 18.Kc1-+ (18.Kc3 cd4 19.ed4 Rac8 20.Bc6 Qc6 21.Kd3 Rfe8 22.e4 Qc2 23.Ke3 Qe4 24.Kf2 Rc2 25.Kg3 Rg2 26.Kh4 Rg4 27.hg4 Qg4)) 17...cd4 18.Qg3 (18.e4 Qf4 19.Kc2 Qe4 20.Kb2-+) 18…de3 (18...de3 19.Qe3 Rad8-+) 0–1. raymac (1900) – Panza (2720), ChessWorld.net, 2020.

7.d4 Ne4 8.Ne4 de4 9.Ng1 c5! 10.e3 (10.dc5 Qa5 Decoy) 10...Qa5 (better is 10...Nc6!? 11.c3 cd4 12.cd4 Nb4-/+) 11.Qd2=+ Qd2 12.Kd2 Rd8 (12...cd4 13.ed4 Nd7 14.Ne2=+) 13.c3= Nd7 14.Ne2 Nf6 15.Ng3 h5 (15...Be6 16.f3 cd4 17.cd4=) 16.h4 Bg4. Woelfelschneider,Peter – Plock,Joerg, corr or01–003, 2001.

7.e3 c5 8.d4 Bg4 9.dc5 Qa5 10.Qd2 Qc5 (10...Bf3 11.gf3 Qc5 12.Rd1=+) 11.Ne5 Be6 (11...Bf5 12.Rd1=) 12.Nd3 Qa5 (12...Qc6 13.Ne2=) 13.Ne4 Qd2 14.Nd2 Rc8 15.Rc1 Ne4 16.Nf4 Nc3 17.a3 Nd7 18.Nf3 b6 19.Bd3 Nc5 20.0-0 Rc7=+ 21.Nd4 Rac8 22.h3 Bd7 23.Rfe1 a6 24.Nfe2 Nd3 25.cd3 f6 26.Kf1= Kf7 27.Rc2 Ne2=+ 28.Ree2 Rc3 29.Rc3 Rc3 30.Rb2 Rd3 31.Rb6 Ra3 32.Rb7 Ke8 33.Rb8 Ke7 34.Rg8 Kf7 35.Rd8 Bb5 36.Nb5 ab5 37.Rd5 b4 38.Rb5 b3 39.g4 h6 40.Rb7 Ke6 41.Ke2= Ra2 42.Kf3 Rb2 43.Rg7= Rc2 44.Rb7 b2 45.Rb5 Kd7 46.Rb6 Kc7=+ 47.Rb3 Kc6 48.Ke4 Rd2 49.f4+= Kc5 50.h4 Kc4 51.Rb6 Kc3 52.Rc6 Kb3 53.Rb6 Kc2 54.Rc6 Kd1 55.Rb6 Kc1 56.Kf5 Rd6!? 57.Rd6 b1Q 58.Kf6 Qb8 59.Ke5 Qc7 60.g5 Qc5-/+ 61.Ke6 Qe3 62.Kf5 Qc5 63.Ke6 Qb4 64.Ke5. Krasny,Henryk Jan(+) – Luzuriaga,Norberto Horacio, corr or01–003 E–mail, 2001.

7.e3 Ne4 8.Be2 =+.

7.e3 Ne4 8.Ne2 c5 (8...Bg4 9.Ne5 Qh4 10.Ng4 Qg4 11.f3 Qh4 12.g3+-) 9.d3 (9.Nf4 Bg4=+) 9...Nf6 (9...Qa5 10.Nd2 Nc3 11.Nc3 Qc3 12.Be2-/+) 10.c3 Nc6 11.d4 Bg4 12.dc5 Qa5 13.h3 Bf3-/+ 14.gf3 Qc5 15.Bg2 Rfe8 16.Rg1 Rad8 17.Rc1 Qa5 18.Qd2=+ Ne5 19.Nd4 Nc4 20.Qc2 Qc7 21.Bf1 Kh8 22.Rg2 a6 23.Nf5 Rg8 24.Ra1 Nd6 25.Nd4 Rc8 26.Rc1 Qd7 27.Rg3 Rc5 28.Nb3 Rc7 29.Nd4 b5 30.Bd3 Nc4 31.Qb1 Qd8 32.Qb4 Nh5 33.Rg1 Re8 34.Kf1 Qh4 35.Kg2 Rc6?? 36.Rce1 Rh6 37.Bf5 g6 38.Bg4 f5 39.Rh1? fg4 40.fg4 Ne5 41.Ref1 Nf6 42.Ne2 Nc4 43.Ng3 Kg8 44.Rd1 Ne4 45.Ne4 de4 46.Qc5 Qf6 47.Qd5 Kg7 48.Qd4 g5 49.Rhf1 Re7 (49...Re7 50.Qf6 Rf6-+) 0–1. Krasny,Henryk Jan – Namdeo,Ashish, corr or01–003 E–mail, 2001.

7.e3 Ne4 8.Ne4 de4 9.Nd4 c5 =+.

5.Bc3 Bc5

6.a3 A) 6...d5 7.d4 (7.e3 Re8 8.Be2 Nc6 9.0-0 d4 10.ed4 Nd4 11.Nd4 Bd4+=) 7...Bd6 8.Bb4 Bf5 9.Bd6 Qd6 10.e3 Nbd7 11.Bd3 Bd3=; B) 6...Re8 7.e3 (7.d4 Be7 8.e3 d5 9.Bd3 Nc6 10.0-0 Bd6 11.Bb5 Bd7+=) 7...d5 8.Bb5 c6 9.Be2 Ne4 10.Bb4 Qf6 11.d4 Bb6+=.

6.d3 A) 6...b5 7.e3 (7.d4 Be7 8.e3 b4 9.Bd2 Bb7 10.a3 a5 11.Bd3 Na6=) 7...b4 8.Bb2 d5 9.Be2 Nc6 10.a3 Re8 11.ab4 Bb4=; B) 6...Nd5 7.Bb2 (7.e4 Nc3 8.Nc3 Bb4 9.Qd2 Qf6 10.d4 Qc6 11.Bb5 Qc3-+) 7...Re8 8.c4 Nb6 9.Nc3 Nc6 10.e3 d5 11.d4 Bb4=.

6.d4 Bb6 (6...Be7 7.d5 (7.e3 d5 8.Bd3 Ne4 9.0-0 Bf5 10.Qc1 Nd7 11.Qb2 Nb6=) 7...b6 8.e3 a6 9.Bd3 Bb7 10.e4 Re8 11.0-0 Bc5=; 6...Bd6 7.Nbd2 (7.e3 Be7 8.Bd3 d5 9.0-0 Re8 10.Nbd2 Qd6 11.Re1 Nc6=) 7...Ba3 8.Rb1 d5 9.e3 Ne4 10.Ne4 de4 11.Nd2 Qh4=) 7.Nbd2 (7.e3 d5 8.Bd3 Re8 9.a4 c6 10.0-0 Bc7 11.Bb4 Ne4=; 7.a4 a5 8.e3 d5 9.Bd3 Nc6 10.0-0 Re8 11.Bb5 Bg4=) 7...d5 (7...d6 8.e3 Nc6 9.Bc4 Be6 10.0-0 Ne4 11.Bb2 Bc4=) 8.e3 Bf5 9.Be2 c6 (9...Qd6 10.0-0 Re8 11.a4 a5=) 10.0-0 Nbd7 (10...Re8 11.Rb1 Nbd7=) 11.Re1 (11.Bb4 Re8=) 11...Re8 (11...Bc7=) 12.Bb2 Ba5 13.c4 dc4 14.Bc4 Nb6 15.Bb3 Ne4 16.Rc1 (16.Ne4 Be4 (worse is 16...Be1 17.Ng3 Bf2 18.Kf2+/–) 17.Rf1 Nd5=) 16...Bg4 (16...Nd5 17.Qe2+=) 17.Qc2 (better is 17.Ne4!? Be1 18.Bf7 Kf7 19.Nfg5 Kg8 20.Qg4+/–) 17...Bf3-/+ 18.gf3?? (better is 18.Nf3 Be1 19.Re1-/+) 18...Qg5-+ (18...Qg5 19.Kf1 Nd2 20.Ke2 Qh5-+; 18...Bd2?! 19.fe4 Be1 20.Re1-+) 0–1. Santana,Expedito (1670) – Do Amaral E Silva,Larissa Blue, Curitiba Brazil, PanAm Amateur Champion, 2015.

6.e3 A) 6...d5 7.Bd3 (7.Be2 Re8 8.0-0 Bd6 9.Nd4 a6 10.Bd3 Nbd7 11.f4 Nc5+=) 7...Ne4 8.0-0 Re8 9.Be2 Bg4 10.Bb2 Qd6 11.Nc3 Nd7+=; B) 6...Re8 7.d4 (7.Be2 d5 8.0-0 Bd6 9.Nd4 a6 10.Bd3 Nbd7 11.f4 Nc5+=) 7...Be7 8.Bd3 d5 9.Nbd2 Bd6 10.Rb1 Nc6 11.0-0 Ne4+=.

5.Bc3 Nc6

6.a3 Bc5 7.e3 d5 8.Be2 (8.d4 Bd6=+) 8...d4 9.ed4 Nd4 10.Bd4 Bd4 11.Nd4 Qd4 12.Nc3 Rd8 13.Nb5 (13.Rb1 b6-/+) 13...Qf4-+ 14.g3 Qe5 15.0-0 (15.d4!? Qd5 16.f3-/+) 15...Bh3-+ 16.f4? (16.Rb1 Bf1 17.Kf1 Qd5-+) 16...Qc5 17.Rf2 (17.d4 Bf1 18.Bf1 Qb6-+) 17...Ne4 18.d4 Qc6 19.Rf3 a6 20.Nc7 Qc7 21.c4 (21.Re3 Bf5-+) 21...Qb6 22.Rb3 (22.c5 Nc5! 23.Qb1 Qb1 24.Rb1 Rd4 25.Re3-+) 22...Qc7 23.d5?? (23.Rf3 Qc6 24.Rd3-+) 23…Qc5 (23...Qc5 24.Re3 Qe3 25.Kh1 Nf2 26.Kg1 Nd1 27.Kh1 Qe2 28.Rd1 Qd1) 0–1. perip – new_reflexx, gameknot.com, 2018.

6.Bb4 Nb4 7.c3 Nbd5 8.c4 Nf4 9.e3 Re8 10.g3 Ne6 11.Bg2 d6 12.0-0 c6 13.d4 Bd7 14.Nc3 Qa5 15.Qc2 Qh5 16.h3 Ng5 17.Ng5 Qg5 18.h4 (18.Rfb1 b6=) 18...Qa5 19.Ne4 Ne4 20.Be4 Qh5 21.Bg2 Bf5 22.Qd1 Qg6 23.Rc1 Be4 24.Be4 Qe4 25.Kh2 b6 26.Rc3 Rac8 27.f3 Qe6 28.e4 f5 29.Re1 c5 30.d5 Qf6 31.Ree3 (31.Qd2!?=+) 31...f4-/+ 32.gf4 Qh4 33.Kg2 Qf4 34.Kf2 Re5 (34...Qh2 35.Ke1-+) 35.Ke2-/+ Qh2 Black gets the initiative 36.Kd3 Qa2 37.Re2 Qa5 38.Rb3 (38.f4 Rf8 39.Qc1 Rh5-+) 38...Rf8 39.Reb2 Qa4 40.Qe2 Rh5 41.Qg2 (41.Kd2-+) 41…Rh2! (41...Rh2 42.Qh2 Rf3 43.Kc2 Qc4 44.Kd2 Qd4 45.Ke1 Rb3 46.Rb3 Qa1 47.Kf2 Qa2 48.Kg1 Qb3 49.Qd6 Qd1 50.Kf2 Qd4 51.Ke2 Qe4 52.Kd2 h5-+) 0-1. chrisalvin2005 - pierre (1825), ChessHere.com, 2006.

6.e3 Bc3 7.Nc3 d6 8.Rb1= b6 9.d4 Bb7 10.Bd3 Qd7 11.Ne4 Ne4 12.Be4 Nd8 13.Bb7 Nb7 14.Qd3 Rfd8 (14...Qa4 15.Rb2+=) 15.Ng5 g6 16.Ne4 Qf5 17.Nc3 Qd3 18.cd3 d5 19.Kd2 c6 20.g4 Nd6 21.h4 Re8 22.Ne2 Rab8 23.h5 Kg7 24.f3 Nb7 (24...g5 25.Rhc1 Rbc8 26.e4+=) 25.Rbc1 Rbc8 26.g5 Re6 (26...Nd6 27.e4+/-) 27.Rh2 Nd6 28.Rch1 White prepares the advance h6 28...Rh8 29.e4 de4 30.de4 Ne4? (better 30...h6 31.Nf4 Ne4 32.fe4 Re4 33.gh6 Rh6+/-) 31.fe4+- Re4 32.h6 Kf8 33.Rc1 Re6 34.Nf4 Rd6 35.Re1 (better 35.d5 Ke7 36.Rc6 Rc6 37.dc6+-) 35...c5?? (35...Rd4 36.Kc3 Rd7+-) 36.Rhe2 Rd4 37.Kc2 Rd8 38.Nd5!! (38.Nd5 a5 39.Nf6 Rd2 40.Kd2 b5 41.Re8) 1-0. Krasny,Henryk Jan - Hasler,Ulrich, corr TKM/A006, 2000.

5.Bc3 Be7

6.d4 d5 7.Nbd2 Re8 8.e3 Bg4 9.Be2 Nbd7 10.0-0 Bd6 11.h3 Bh5 12.a4 c6 13.a5 Qe7 14.a6 b5 15.Ba5 Rab8 16.Rb1 h6 17.Ne1 Be2 18.Qe2 Nb6 19.Nd3 Nc4 20.Bb4 Rb6 21.Nc4 bc4 22.Bd6 cd3 23.Be7 de2 24.Rfe1 Re7 0-1. winstonsmithamm (1870) - FraGer68 (2590), Rated Bullet game, lichess.org.

6.e3 d5 7.d4 (7.Be2 Re8=+) 7...Ne4 (7...Nc6 8.Be2=+) 8.Bb2 (8.Bd3 Nc3 9.Nc3 Bb4-/+) 8...c6 (8...Bb4 9.c3 Be7 10.Bd3=+) 9.Be2 (9.Nbd2 Bb4=+) 9...Qb6 10.Qc1 (10.Bc3 Nc3 11.Nc3 Qa5-+) 10...Re8 11.0-0=+ Bg4 12.h3 Bf5 13.c4 dc4 14.Nfd2 Nd7 15.Ne4 Be4 16.Nd2 Bg6 17.f4 Bd3 18.Nc4 Bc4 19.Bc4 Nf6 20.Rb1 Qc7 21.Qc2 Bd6 22.Rf3 Qe7 23.Bd3 Ne4 24.Bc1 Rab8=+ 25.Rf1 Nf6 26.Rb3 c5 27.g4 Rbc8 28.g5+= Ne4 29.Be4 Qe4 30.Qe4 Re4 31.dc5 Bc5 32.Rb7 Ra4 33.Rf2 Rc4 34.Bd2 Ra4 35.Rb2+= Ba3 36.Rb3 Bc5 37.Be1 Re4 38.Rc2 Bb6?? 39.Rc8 (39.Rc8 Bd8 40.Rd8 Re8 41.Re8#) 1–0. Krasny,Jan Henryk – Woelfelschneider,Peter, corr or01–003 E–mail, 2001.

6.e3 d5 7.Be2 b6 (7...Re8 8.0-0=+) 8.0-0 Bb7 (8...Re8 9.d3=+) 9.d4 (9.a4 Re8=) 9...Nbd7 (9...Re8 10.Nbd2=) 10.Nbd2 c5 (10...Bd6 11.Bd3=) 11.Nh4 Re8 (11...Ne4 12.Ne4 de4 13.Nf5=) 12.Nf5 Bf8 (12...c4 13.Bf3=) 13.Rb1 (13.dc5 bc5 14.Bb5 Re6=) 13...g6 (13...c4 14.Bf3=) 14.Ng3 Qc7 15.dc5 bc5 16.Bb2 (16.Nb3 Rab8=) 16...Bg7 (16...Rab8 17.a3=) 17.c4 dc4 (17...Rab8 18.Qc2=) 18.Qc2 Nb6 (18...Rad8 19.Rfd1=) 19.Nc4 Nc4 20.Bc4 Rab8 (20...Rad8 21.Rfc1+=) 21.Rfd1 Rec8 (21...Qc6 22.e4+=) 22.Bc3 Bc6 (22...Re8 23.Bb5 Red8 24.Rd8 Rd8 25.Bc4+=) 23.Ba6 Bb7 24.Bb7 Rb7 25.Be5 (25.Rb7 Qb7 26.Rb1 Qe7=) 25...Qc6 26.Rb7 Qb7 27.Qc4 (27.Bf6 Bf6 28.Ne4 Be7=) 27...Qb6 28.h3 (28.Bf6 Qf6 29.Ne4 Qe6=) 28...Qb7 (28...Qe6 29.Qe6 fe6 30.Bf6 Bf6 31.Ne4=) 29.a4 h6 (29...Qe7 30.Bf6 Qf6 31.Rd7+=) 30.a5 Rc6 31.e4 Rc8 32.Bf4 (32.Rd6 Ne8 33.Rg6 Kh7 34.Rg7 Ng7+-) 32...Ne8 (32...Re8 33.f3 Qb4 34.Qa6+=) 33.Nf1 (33.Be3 Be5+=) 33…a6= ½–½. Dunwoody,Murray L – Hoskyn,Gordon A, NZCCA HT corr New Zealand, 1999.

6.e3 Ne4 7.Bd3 d5 8.0-0 Bg4 9.h3 Bh5 10.g4 Bg6 11.Ne5 Nc6 12.Ng6 fg6 13.Be4 de4 14.d3 Bh4 (14...Qd5 15.de4 Qe4 16.Nd2=+) 15.Qe2 (15.Nd2 ed3 16.cd3 Qd3 17.Qb3 Rf7 18.Qb7 Qc3 19.Qa8 Rf8=) 15...ed3=+ 16.cd3 Bf6 17.Qb2 Qd3 18.Qb3 Kh8 19.Bf6 Qb3 20.Bg7 Kg7 21.ab3 Rad8 22.Na3 a6 23.Rfd1 Ne5 24.f4 Nf3 25.Kf2 Nd2 26.b4 Rd6 27.Rac1 c6 28.Ke2 Rfd8 29.Rc2 Ne4 30.Rd6 Rd6 31.Nc4 Rd5 32.Kf3+/– Nf6 33.g5 Ne8 34.Rd2 Nc7 35.e4 Rd2 36.Nd2 Ne6 37.Nb3 b6 38.f5?? Ng5-+ 39.Kf4 Nh3 40.Ke5 Nf2 41.Nd4 Nd3 42.Ke6 c5 43.Ke7 gf5 44.ef5 Nf4 45.bc5 bc5 46.Ne6-/+ Ne6 47.fe6 ½–½. Nittschalk,Karl – Abromeit,Guenter, DESC, 1999.

5.c4

5.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3).

5.c4 d6 6.Bb2 Nc6 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

5.c4 Be7 6.e3 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 Be7 6.Nf3 c5).

5.c4 Nc6

6.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.Nf3).

6.Bb2 d5-/+ 7.cd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.Nf3 d5 7.cd5).

6.Bb2 d5 7.cd5 Nd5 8.e3 Re8 9.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2).

6.Bb2 d5 7.cd5 Nd5 8.e3 Bf5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5).

6.Bb2 d5 7.cd5 Nd5 8.e3 Bg4 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

6.Bb2 d5 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2).

6.Bb2 d5 7.e3 Re8 8.cd5 Nd5 9.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Bb5).

6.Bb2 d5 7.e3 Re8 8.cd5 Nd5 9.Be2 Bg4 10.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

6.Bb2 d5 7.e3 Re8 8.Be2 Be6 9.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6).

6.Bb2 Re8 7.a3 Ba5 8.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

6.Bb2 Re8 7.e3 d5 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

5.c4 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3 d5).

6.cd5 Nd5 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3).

6.cd5 Nd5 7.e3 Re8 8.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3).

6.e3 c5 7.a3 Ba5 8.cd5 Nd5 9.Be2 Nc6 10.Bb2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.a3 Ba5).

6.e3 c5 7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5).

6.e3 Re8 7.Bb2 c5 8.cd5 Nd5 9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8).

6.e3 Re8 7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8).

6.e3 Re8 7.cd5 Nd5 8.Bb2 Bg4 9.Be2 Nc6 10.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0).

6.e3 Re8 7.cd5 Nd5 8.Bb2 Bg4 9.Be2 Nc6 10.0-0 Qd7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qd7).

5.c4 Re8

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3 Re8).

6.Bb2 Nc6 7.e3 d5 8.a3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3).

6.Bb2 d5 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Bb2).

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 Re8 6.Nf3).

6.e3 c5 7.Be2 Nc6 8.Bb2 d5 9.cd5 Nd5 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8).

6.e3 Nc6 7.Bb2 d5 8.cd5 Nd5 9.Be2 a6 10.0-0 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 a6).

6.e3 Nc6 7.Bb2 d6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Re8).

6.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8).

6.e3 d5 7.cd5 Nd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8).

6.e3 d5 7.cd5 Nd5 8.a3 Ba5 9.Bb2 Nc6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

5.e3

5.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3).

5.e3 Be7 6.c4 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 Be7 6.Nf3 c5).

5.e3 Be7 6.Be2 d5 7.0-0 c5 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0).

5.e3 Nc6

(---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 Nc6).

6.a3 Be7 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3 Nc6).

6.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3).

6.Bb2 d6 7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3).

6.Bb2 Re8 7.a3 Ba5 8.c4 d5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

6.Bb2 Re8 7.c4 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

6.Bb2 Re8 7.c4 d5 8.Be2 Bf5 9.0-0 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Qe7 9.c4 Bf5).

6.Bb2 Re8 7.Be2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8).

6.Bb2 Re8 7.Be2 d5 8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

6.Bb2 d5

7.a3 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Be7 5.Nf3 Nc6 6.Bb2 0-0 7.e3 d5).

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2).

7.c4 dc4 8.Bc4 Bg4 9.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2 dc4 9.Bc4).

7.c4 Re8 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 TESTF250).

7.c4 Re8 8.cd5 Nd5 9.Be2 Bf5 10.0-0 Re6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Re6).

7.c4 Re8 8.Be2 dc4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.Be2 dc4).

7.c4 Bg4 8.a3 Ba5 9.cd5 Nd5 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.c4 Bg4 8.cd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5).

7.c4 Bg4 8.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2).

7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

7.Be2 a6 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 a6).

7.Be2 Ne4 8.0-0 Bg4 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bg4 8.0-0 Ne4).

7.Be2 Re8 8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

7.Be2 Re8 8.0-0 Bf8 9.c4 Bg4 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Bf8).

7.Be2 Bf5 8.0-0 a6 9.d3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 a6).

7.Be2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5).

7.Be2 Bf5 8.0-0 h6 9.d3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 h6).

7.Be2 Bg4 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

5.e3 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5).

6.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Ba5 5.Nf3 d5 6.e3 0-0).

6.a3 Ba5 7.c4 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5).

6.a3 Ba5 7.Be2 c5 8.0-0 Nc6 9.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.a3 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3 d5).

6.a3 Be7 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Be7 7.Nf3).

6.Bb2 c5 7.Be2 Nc6 8.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2).

6.Bb2 Nc6 7.c4 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bf5).

6.Bb2 Be7 7.c4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Bb2).

6.Bb2 Re8 7.a3 Ba5 8.Be2 c5 9.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.Bb2 Re8 7.c4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Bb2).

6.Bb2 Re8 7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Re8 7.Bb2).

6.Bb2 Re8 7.Be2 c5 8.c4 Bf5 9.0-0 Nc6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.c3 Ba5 7.Be2 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.c3 Ba5).

6.Be2 c5 7.0-0 Nc6 8.Bb2 Ba5 9.d3 Bc7 10.Nbd2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3 Ba5 10.Nbd2 Bc7).

6.Be2 c5 7.0-0 Nc6 8.Bb2 Ba5 9.d3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3 Ba5).

6.Be2 c5 7.0-0 Nc6 8.Bb2 Bg4 9.d3 Re8 =+ (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3 Bg4).

6.Be2 c5 7.Bb2 Nc6 8.0-0 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Bf5).

6.Be2 Bd6 7.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 Re8 6.Be2 d5 7.0-0 Bd6).

6.Be2 Be7 7.0-0 c5 8.Bb2 Nc6 9.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0 Nc6 9.Bb2).

6.Be2 Be7 7.0-0 c5 8.Bb2 Nc6 9.d3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Be7 7.0-0 c5 8.d3 Nc6 9.Bb2).

6.Be2 Be7 7.0-0 c5 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0).

6.Be2 Be7 7.0-0 c5 8.c4 Nc6 9.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6).

6.Be2 Be7 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2).

6.Be2 Be7 7.c4 c5 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Be7 8.Be2 c5).

6.Be2 Bg4 7.0-0 Nc6 8.Bb2 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bg4 8.0-0).

6.c4

6.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3).

6.c4 c5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5).

6.c4 c5 7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5).

6.c4 c5 7.cd5 Nd5 8.a3 Ba5 9.Qc2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5 8.cd5 Nd5 9.Qc2).

6.c4 c5 7.cd5 Nd5 8.Be2 Nc6 9.Bb2 Re8 10.0-0 Bf5 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.c4 c5 7.cd5 Nd5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.c4 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6).

6.c4 Nc6 7.Bb2 Be6 8.cd5 Nd5 9.Be2 a6 10.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6 10.0-0 a6).

6.c4 Nc6 7.Bb2 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be7).

6.c4 Nc6 7.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

6.c4 Nc6 7.Bb2 Re8 8.cd5 Nd5 9.Be2 Bf5 10.0-0 Qe7 11.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qe7 11.a3).

6.c4 Nc6 7.Bb2 Re8 8.Be2 Bg4 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

6.c4 Nc6 7.Bb2 Re8 8.Be2 Bg4 9.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

6.c4 Nc6 7.Bb2 Bg4 8.cd5 Nd5 9.Be2 Re8 10.0-0 Qd7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qd7).

6.c4 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7).

6.c4 Bf5 7.Bb2 c5 8.cd5 Nd5 9.Be2 Nc6 10.0-0 Qe7 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Qe7).

6.c4 Re8

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8).

7.Bb2 c5 8.cd5 Nd5 9.Be2 Nc6 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

7.Bb2 c5 8.Be2 Nc6 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.c4).

7.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

7.Bb2 Nc6 8.a3 Ba5 9.Be2 Bg4 10.cd5 Nd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.Bb2 Nc6 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

7.Nc3 Nbd7 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Nc3 Nbd7).

7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8).

7.cd5 Nd5 8.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.cd5 Nd5 8.Nf3 Re8).

7.cd5 Nd5 8.Be2 c5 9.0-0 Nc6 10.Bb2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

7.Be2 c5 8.0-0 Nc6 9.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.c4).

7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

7.Be2 c5 8.cd5=+ Nd5 9.0-0 Nc6 10.Bb2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.Be2 Re8

7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

7.Bb2 Re8 8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

7.Bb2 Re8 8.0-0 Bg4 9.d3 Qe7 10.a3 Bd6 11.Nbd2 Rad8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7 10.Nbd2 Rad8 11.a3 Bd6).

7.Bb2 Re8 8.h3 Bf5 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.h3).

7.Bb2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5).

7.Bb2 Bf5 8.0-0 Re8 9.c4 a6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 a6).

7.Bb2 Bg4 8.0-0 Qe7 9.d3 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7).

7.Bb2 Bg4 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2).

6.Be2 Re8

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 Re8 6.Be2 d5).

7.0-0 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Re8).

7.0-0 c5 8.d3 Nc6 9.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

7.0-0 Nc6 8.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0).

7.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8).

5.e3 d6

6.Bb2 (--> 4...d6 5.Bb2 0-0 6.e3).

6.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6).

6.Bb2 Nc6 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.Bb2 Bg4 7.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Bg4).

5.e3 Re8

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 Re8).

6.a3 Ba5 7.Bb2 d5 8.Be2 c5 9.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.Bb2 Nc6 7.Be2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8).

6.Bb2 d5 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Bb2).

6.Bb2 d5 7.c4 dc4 8.Bc4 Be6 9.Be6 Re6 10.0-0 Nc6 11.Nc3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.Be2 dc4 9.Bc4 Be6 10.Be6 Re6 11.0-0).

6.Bb2 d5 7.c4 c5 8.cd5 Nd5 9.Be2 Nc6 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8).

6.Bb2 d5 7.c4 c5 8.cd5 Nd5 9.Be2 Bf5 10.0-0 Nc6 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.Bb2 d5 7.c4 c5 8.Be2 Nc6 9.0-0 Bf5 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.Bb2 d5 7.c4 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

6.Bb2 d5 7.c4 Nc6 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

6.Bb2 d5 7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Re8 7.Bb2).

6.Bb2 d5 7.Be2 c5 8.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8).

6.Bb2 d5 7.Be2 c5 8.a3 Ba5 9.0-0 Nc6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.Bb2 d6 (--> 4.Nf3 d6 5.Bb2 0-0 6.e3 Re8).

6.c4 Nc6 7.Bb2 d5 8.Qb3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Qb3 Nc6 8.Bb2).

6.c4 Nc6 7.Bb2 d5 8.cd5 Nd5 9.a3 Ba5 10.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2).

6.c4 d5 7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Bb2).

6.c4 d5 7.Bb2 Bg4-/+ 8.Be2 dc4 9.Bc4 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2 dc4 9.Bc4 Re8).

6.c4 d5 7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8).

6.c4 d5 7.cd5 Nd5 8.Be2? Nc6 9.Bb2=+ Be7 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Be7).

6.c4 d5 7.Be2 c5 8.cd5 Nd5 9.Bb2 Nc6 10.0-0 Bf5 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.Be2

6.Be2 c5 7.0-0 Nc6 8.Bb2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8).

6.Be2 Nc6 7.Bb2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8).

6.Be2 Nc6 7.Bb2 d5 8.c4 Bg4 9.cd5 Nd5 10.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

6.Be2 d6 7.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6 7.Be2 Re8).

6.Be2 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Re8).

7.0-0 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Re8).

7.0-0 c5 8.a3 Ba5 9.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

7.0-0 c5 8.Bb2 Nc6 9.d3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

7.0-0 c5 8.c4 Nc6 9.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.c4).

7.0-0 c5 8.d3 Nc6 9.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

7.0-0 Nc6 8.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0).

7.0-0 Bf5 8.Bb2 a6 9.d3 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 a6).

7.0-0 Bg4 8.Bb2 c5 9.d3 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3 Bg4).

7.0-0 Bg4 8.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

7.a3 Ba5 8.0-0 c5 9.d3 Nc6 10.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.d3).

7.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8).

7.c4 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2 Bf5 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

5.g3 b6

6.Bg2 Bb7 7.0-0 Nc6 8.c3 Ne5 9.Ne5 Bg2 10.Kg2 Qe7 11.d4 Bd6 (11...d6 12.Nf3 Ba5 13.e3=+) 12.f4 Nd5 13.Rf3 f6 (13...f5 14.c4 Nf6 15.Nc3=) 14.Qb3 c6 15.Nd2 (better is 15.e4!? fe5 16.de5 (16.ed5? ef4 17.dc6 Kh8-+) 16...Be5 17.ed5=) 15...fe5 16.de5 Kh8 17.c4 (17.ed6 Qe2 (< 17...Qd6 18.Rd1=) 18.Rf2 Qe6-/+) 17...Be5! 18.cd5?? Ba1 0–1. composite – Clay56, ChessWorld.net, 2009.

6.Bg2 Bb7 7.0-0 Re8 8.Bb2 d5 9.d3 Bf8 10.Nbd2 c5 11.a4 Nc6 Black plans d4 12.Re1 g6 (12...Be7 13.e3+=) 13.c4= d4 14.Nb3 a5 (14...Bh6 15.a5 Na5 16.Na5 ba5 17.Bc1 Bc1 18.Qc1=) 15.Nfd2 Ra7 16.Nb1 (16.e4 Nb4 17.Nf3 Bc6=) 16...Ne5 17.Bb7 Rb7 18.Na3 Rbe7 19.Qd2 (19.e4!?+=) 19...Qd7-/+ 20.Kg2 (20.Nc2 Qh3 21.f3 Bh6 22.Qh6 Qh6-+) 20...Neg4 (better is 20...Qc6 21.Kg1 Qa4-+) 21.h3?? (better is 21.Nc2-/+) 21...Nf2!-+ (21...Qa4?! 22.Nd4 cd4 23.hg4 Qc6 24.Kg1 Ng4 25.Bd4=) 22.Kf2 (22.Kf2 Qh3 Combination) 22...Qh3 23.Qf4 Qh2 (23...Bh6 24.e4 Bf4 25.Rg1 Re4 26.Rgc1 Ng4 27.Kg1 Be3) 24.Kf1 Nh5 0–1. Fonseca,Miguel (1950) – Hansen,Lars Bo (2555), 23rd Space Coast Open, 2016.

6.Bg2 d5 7.0-0=+.

5.g3 Nc6=+

6.c3 Ba5 7.Bg2 (7.Bf4 Qe7=+) 7...d6 (7...Ne5 8.Ne5 c6 9.0-0=+) 8.Bd4 (better is 8.Bf4=+) 8...Ne7 (better is 8...Nd4!? 9.Nd4 Bb6=+) 9.Bf6+= gf6 10.0-0 Ng6 (10...Re8 11.Re1+=) 11.e3 c6 12.d4 d5 13.Nbd2 Bc3= 14.Rb1 Ba5 15.h4 b5 16.a4 Ba6 17.ab5 Bb5 18.Re1 Re8 19.h5 Ne7 20.e4 Bd3 21.Rb3= Be4 22.Ne4 de4 23.Re4 Nd5 24.Nh4 Kh8 25.h6 Nc3 26.Re3?? Nd1-+ (26...Nd1 27.Bc6 Ne3 28.Be8 Ng4 29.Bf7 Qd4-+) 0–1. wlittle – aauerbach, net–chess.com, 2000.

6.c3 Ne5 7.Ne5 Be7 8.Bg2 -/+.

6.Bc3 d6 7.Bg2=+ d5 8.0-0 Re8 9.a3 (9.Bb4 Nb4 10.d4 Nc6=+) 9...Bc3 10.Nc3 d4 11.Na2 a5 12.c3 dc3 (12...Bg4!?=+) 13.Nc3= Qd6 14.Re1 Rb8 15.a4 Bg4 16.Nb5 Qd7 17.d3 (17.d4 h6=) 17...Nb4 (17...Bf3 18.Bf3 Nb4 19.Na3=) 18.Rc1 (18.d4 Bf3 19.Bf3 h5=) 18...c6 19.Nc3 Rbd8 20.Qb3 Qf5 21.Nh4 Qh5 22.Ne4? (better 22.Rcd1=+) 22...Be2-+ 23.Rc5 (23.Nf6 gf6 24.Be4 Bd3 25.Bd3 Re1 26.Re1 Nd3-+) 23...Nfd5 24.Nc3?? (better 24.Ra5 Nd3 25.Rb1-+) 24...Nd3 25.Nd5 (25.Rd5 cd5 26.Re2 Re2 27.Ne2 Qe2 28.Qb6-+) 25…Nc5 (25...Nc5 26.Qb6 Nd3 27.Ne7 Kf8-+; 25...Ne1?! 26.Nf6 gf6 27.Rh5 Bh5 28.Bf1-/+; 25...Rd5?? 26.Rd5 cd5 27.Qd3+-; worse 25...cd5 26.Rcc1 Ne1 27.Re1-+) 0–1. tsodikovich – new_reflexx, gameknot.com, 2018.

6.Bf4 d5 7.Bg2 Re8 8.0-0 Bf5 9.Nc3 Bc3-/+ (9...Nh5 10.Bg5 f6 11.Be3 d4 12.Bd4 Nd4=+) 10.dc3 Ne4 11.Qd3?? (better is 11.Qe1-/+ Qf6 12.Bc7 Nc3-/+) 11...Ng3!-+ (11...Ng3 12.Qd2 Re2 13.fg3 Rd2 14.Nd2 Bc2-+) 0–1. Hanamitsu,Itsurou (1810) – Bjazevic,Pavao, corr ICCF WSTT/3/06/3, 2006.

6.Bg2 Ne5 7.Ne5 d5 8.0-0 Bd6 9.f4 Be5 10.fe5 Ng4 11.e3 c6 12.Qe2 Qg5 13.Bh1 (13.Nc3 Qh6 14.Bh1 Ne5-/+) 13...Ne5 14.d4 Bg4 15.Qf2 Nc4 16.Re1 Rae8 17.e4 de4 18.Be4 Re6 19.Nc3 (19.Bd3 Rfe8 20.Re6 Be6-/+) 19...Qa5 20.Qf4?? (better is 20.d5 cd5 21.Nd5-+) 20...Qc3 21.Qg4 f5! (21...f5 22.Qd1 fe4-+) 0–1. Reussner,Hans_Dieter – Markus,Roland (2085), DESC, 2002.

6.Bg2 Ne5 7.Ne5 d6 8.Nd3 Ba5 9.0-0 (9.h3 Re8-/+) 9...c6 10.c3 (10.Re1 Re8-/+) 10...Qe7 (10...Bb6 11.Nf4=+) 11.Na3 Bg4 (11...d5 12.Nc2-/+) 12.f3 (12.Re1 d5 13.Nc2 Rfe8=+) 12...Bb6 (12...Bf5 13.Nc4 Bc7 14.e4-/+) 13.Kh1 Be6 14.Nc2 Bc4 15.Nf4 d5 16.d3=+ Ba6 17.Nb4 Be3-/+ 18.Na6 ba6 19.Nh3 Qa3 20.Qb3 Qe7 21.Qa4 Qc5 22.c4 dc4 23.dc4 Rad8 24.Qa6 Rd4=+ 25.Rfd1 Qc4-/+ 26.Qc4 Rc4 27.a4 Rc2 28.Ng1 Bg1 29.Kg1=+ Re2 30.f4 c5 31.Bf3 Re3 32.Bg2 Re7 33.Rdc1 Rc8-/+ 34.Rc4 Rec7 35.Rac1=+ Ne8 36.Bh3= Nd6 37.Bc8 Nc4-/+ 38.Rc4 Rc8 39.Kf2 f5 40.Kf3 Kf7 41.h3 Ke6 42.g4 Rc6 43.g5 Kd5-+ 44.Rc2 Ra6 45.Ke3? Ra4 46.Rd2 Kc6 47.h4 Ra3 48.Rd3 Rd3 49.Kd3 Kd5 50.h5 g6 51.hg6 hg6 (51...hg6 52.Kc3 Ke4-+) 0–1. mic (2130) – halilgulsen (2570), net–chess.com, 2008.

6.Bb2

6.Bb2 (--> 4.Nf3 Nc6 5.Bb2 0-0 6.g3).

5.g3 d5
6.a3 Ba5 7.Bg2 c5 8.0-0 Nc6 9.Bc3 Re8 10.Ba5 Qa5 11.d3 Be6 12.Nbd2 c4 13.Re1 h6 14.e3 Rac8 15.dc4 dc4 16.Nd4 Rcd8 17.N2f3 Bd5 18.Nc6 bc6 19.Qe2 Ne4 20.Nd4 c5 21.Nf5 g6 22.Nh6 Kg7 23.Be4 Be4 (23...Re4?! 24.f3 Re7 25.Ng4=) 24.f3 Bd3 25.Qf2 Kh6 26.e4 Kg7 27.Red1 Rd4 28.Rd2 Red8 29.Qe1?? (better is 29.a4-/+) 29...c3-+ (29...c3 30.Rd3 Rd3 31.cd3 Rd3-+) 0–1. pawnraider (2075) – maltedk (2335), gameknot.com, 2015.

6.Bg2 Nc6 7.Bb2 Ne4 8.0-0 Re8 9.d3 Ng5 10.c3 Bc5 11.Re1 (11.Ng5 Qg5 12.e3 Be6+= 13.Nd2+=) 11...Nh3 (11...Nf3 12.ef3 Re1 13.Qe1-/+) 12.Bh3 Bh3 13.Nbd2 Re6 14.e4 d4 (14...Bb6 15.Qb3+=) 15.Nb3 (better is 15.cd4 Nd4 16.Bd4 Bd4 17.Nd4 Qd4 18.Nb3=) 15...Bg4 (15...dc3 16.Nc5 cb2 17.Rb1+=) 16.h3?? (better is 16.Nc5 Rf6 17.Qb3 (17.Nb7? Qc8-+) 17...Rf3 18.cd4+=) 16...Bf3-/+ 17.Qf3 Rf6 18.Qg2 dc3 19.Nc5 cb2 20.Rad1 (20.Rab1 Ne5 21.f4 Qd4 22.Kh1 Qc5 23.fe5 Rf2-+ (23...Qe5?! 24.Rb2 b6 25.Rf2-+)) 20...Nd4 (20...Ne5 21.Re3-+) 21.f4 Rc6 22.Nb3 Rc2 23.Rd2 (23.Qf1 Nb3 24.ab3 Qd4 25.Kh1 Rd8-+) 23...Rd2 24.Nd2 Nc2 25.Rb1 Na3 (25...Qd3?! 26.Qf2 Ne3 27.Qe1-+) 26.Re1 Qd3 27.Nb1 Nb1 28.Qb2 Nd2 29.Rc1 Qg3 (29...Qg3 30.Kh1 Qh3 31.Kg1 Qg3 32.Kh1 Nf3 33.Qg7 Kg7 34.Rc7 Qh2#) 0–1. Baecklin,Stefan – Ahlin,Jim, corr SVE–chT SSKK, 1976.

6.Bg2 Nbd7 7.a3 Ne5 8.ab4 Nf3 9.Bf3 +=.

6.Bg2 Nbd7 7.Bb2 c6 8.0-0 Re8 9.c3 Bd6 10.d3 Qb6 11.Qc2 a5 12.e3 a4 13.Na3 Qc7 14.c4= b6 15.cd5 Nd5 16.Nc4 Ba6 17.Nd6 Qd6 18.Rfd1 Nb4 19.Qc3+= Nf6 20.d4 Nbd5 21.Qe1 Qb4 22.Qb4+= Nb4 23.Ne5 Rac8 24.a3 Nbd5 25.Rac1 Bb7 26.Nc4 (26.Nc4 Rcd8 27.Re1+/–; 26.e4!? Nc7 27.Nc4 Ne4 28.Nb6+-) 1–0. willow27 – hooks, ChessWorld.net, 2005.

6.Bg2 Nbd7 7.Bb2 Re8 8.0-0 b6 9.d3 Bb7 10.Nbd2 Bf8 (10...Qe7 11.e3+=) 11.c4= Qe7 12.Re1 Rad8 13.a4 g6 (13...a5 14.Rc1=) 14.a5 dc4 15.Nc4 (15.ab6 ab6 16.Nc4 b5+=) 15...b5 16.Ncd2 a6 17.d4 (17.Qc2 c5=) 17...Ne4 18.Ne4 Be4 (18...Qe4? 19.Nh4 Qe6 20.Bb7+-) 19.Qb3 c6 20.Rac1 Bd5 (20...Qb4 21.Qa2 Bd5 22.Qa1+=) 21.Qc3 (21.Qc2 Bg7=) 21...Qb4+= 22.Nd2 (22.Qc2 Be4 23.Qd2 Qd2 24.Nd2 Bg2 25.Kg2 c5+=) 22...Qc3 23.Bc3 (worse is 23.Rc3 Bb4 24.Rc2 Bg2 25.Kg2 c5-/+) 23...Bg2 24.Kg2 c5 25.d5 c4 26.e4 Nc5 27.Ra1 (27.Rc2!?-/+) 27...Bg7 28.Bg7 Kg7 29.Re3 (29.f3 f5-+) 29...f5 30.f3 (30.Kf3 Re5 31.Kf4 Rde8-+) 30...Rd5!! 31.Ra2 (31.ed5 Re3 Pinning (31...Re3 Deflection)) 31...fe4 (31...Kf6 32.Rc2 Rd4 33.g4-+) 32.Ne4 Ne4 (32...b4 33.Nf6 Re3 34.Nd5-+) 33.fe4 (33.Re4 Re4 34.fe4 Rd3-+) 33...Rde5 34.Kf3 Kf6 (34...b4 35.Ra4 Rf8 36.Ke2-+) 35.Rd2 Ke6 (35...b4 36.Rd4 Rc5 37.e5 Kg7 38.e6-+) 36.Re1 (36.Rd4 Rc8 37.Rc3 Rec5-+) 36...Rc5 (36...b4!? 37.Rd4 Rc8 38.Rc1-+) 37.Red1 Rc6 38.e5 (38.Rd7 Re7 39.R7d5 b4-+) 38...c3 39.Rd4 Rb8 40.Ke4 b4 41.Rd6 (41.Rf1 Ke7 42.Kd5 Rc7-+) 41...Rd6 42.Rd6 Ke7 43.Rb6 (43.Rc6 Rb7 44.Kd3-+) 43...Rc8 44.Rb7 Kd8 45.Rh7 c2 46.Rh8 Kd7 47.e6 Kc7 48.Rh7 Kc6-+ 0–1. Zakoscielna,Kinga (2090) – Barski,Radoslaw (1985), 2nd Miedzynarodowy Turniej Klubu Polonia, 2007.

6.Bg2 Nbd7 7.Bb2 Re8 8.0-0 Qe7 9.e3 Nb6 10.a3 (10.d3 c6=+) 10...Bd6 11.a4 Bd7 12.Nc3 (12.a5 Na4 13.Ba3 c5=+) 12...Nc4-/+ 13.Bc1 c6 14.Ne2 (14.d3 Ne5=+) 14...Ne5 (14...Bg4 15.d3 Ne5 16.Ne5 Be5 17.Rb1=+) 15.Ne5=+ Be5 (15...Qe5 16.Ba3=+) 16.Ba3 Qd8 17.Rb1 Rb8 18.d3 (18.f4 Bc7=+) 18...Qa5-/+ 19.Bb4 Qc7 (19...Qa6 20.Qd2=+) 20.c3 Qc8 21.Bc5 (21.a5 b6=+) 21...b6 22.Bd4 Bh3 23.Nf4 (23.Be5 Re5 24.Bh3 Qh3=+) 23...Bg2 24.Kg2 Qd7 (24...Bf4 25.ef4 Qf5 26.a5-/+) 25.Qf3 Bd4 26.cd4 c5 27.dc5 bc5 28.h3 (28.Rb5 Rb5 29.ab5 c4=+) 28...Rb4 29.a5 h6 (29...Reb8 30.Rb4 cb4 31.Rb1=+) 30.Rfd1 Reb8 31.Ra1 Qc6 32.Rac1 Ra4 (32...R4b5 33.a6=+) 33.h4 (33.Ra1!?=+) 33...Rb2 34.Rb1 Rbb4 35.Ra1 Ra1 36.Ra1 g6 37.Rc1 h5 (37...Ra4 38.g4 Ra5 39.g5 hg5 40.hg5+=) 38.e4 (38.d4 c4=) 38...de4=+ 39.de4 Ne4 40.Nd3 Rb5 41.Qf7 Kf7 Decoy to f7 42.Ne5 Theme: Double Attack 42...Ke7 43.Nc6 Kd6 44.Na7 Ra5 45.Nc8 Ke5 46.Ne7 Ra2 Attacking the backward pawn on f2 47.Ng6 Kf5 48.Nf4 Rf2 49.Kg1 Rd2 (49...Ra2!? 50.Rc4 Ng3-/+) 50.Rc4 (50.Nh5!? Kg4 51.Re1 Ng3 52.Ng3 Kg3 53.h5=) ½-½. peonsetima (2015) - rollthebones (2145), gameknot.com, 2018.

6.Bg2 Be7 7.0-0 c5 8.Bb2 Nc6 9.d3 Bg4 10.h3 Be6 11.Nbd2 Qd7 12.Kh2 Rad8 13.e3 Qc7 14.Qe2 Rfe8 15.Ng5 Bc8 16.f4 b6 17.c4 dc4 18.Nc4 Rf8 19.e4 Nd4 20.Qf2 h6 21.Nf3 Nf3 22.Qf3 b5 23.Ne5 c4 (23...Bb7=) 24.d4 (better is 24.dc4 bc4 25.Qc3+=) 24...b4-/+ Black prepares c3 25.d5 c3 26.Bc1 Bb7 27.Be3 a5 28.Qf2 Ra8 29.Bb6 Qc8 30.Nc6? (better is 30.Bf3=) 30...Bc6-+ 31.dc6 Qc6 32.Rfe1 Nd7 33.Bd4 Rac8 34.e5 Qc4 35.Bf1 Qc6 36.Bd3?? (36.Bg2 Qb5 37.Bf1-/+) 36...Nc5-+ 37.Bc2 Rfd8 38.Rad1 a4 Black plans b3 39.Bf5? (39.Qg2 b3 40.ab3 ab3 41.Bc5 Qg2 42.Kg2 Rd2 43.Bf2 Rc2 44.e6-+) 39...Ne6 40.Be4 (40.Be3 Rd1 41.Rd1-+) 40...Qb5 (better is 40...Qc4 41.Bc3 Rd1 42.Rd1 Qe4 43.Re1-+) 41.Be3? (41.Bd3 Qe8 42.Bb6-+) 41...b3 42.f5 (42.ab3 ab3 43.f5 Rd1 44.Rd1 Nc5-+) 42...Ng5 43.Bg5 Bg5 44.Rd8 (44.e6-+) 44...Rd8 (44...Bd8?! 45.f6 Rc7 46.ab3 ab3 47.Qd4-+) 45.Qa7 (45.Kh1 Bd2 46.ab3 Be1-+) 45...Qe5 46.f6 Qf6 (46...Qf6 47.ab3 ab3-+) 0–1. Valenta,Vit jr (2160) – Linqvist,G (2025), 15th IPCA WCh, 2015.

6.Bg2 Be7 7.0-0 c5 8.e3 Nc6 9.Bb2 d4 10.ed4 cd4 11.d3 Bg4 12.Nbd2 Bc5 13.h3 Bh5 14.Re1 a5 (14...Rc8 15.Nb3 Bb4 16.Rf1=+) 15.a4 Nd5 16.Qb1 Bb4 17.Qa2 (17.Ba3!?=+) 17...Bf3-/+ 18.Nf3 Be1 19.Re1 Nc3 20.Qb3 Rc8 21.Nd2 (21.Bc3 dc3 22.Re4 Nb4-/+) 21...Re8 22.Rf1 (22.Re8 Qe8 23.Bc3 dc3 24.Qc3 Qe1 25.Bf1 Rd8-+) 22...Nb4-+ 23.Nc4 Nbd5 (23...b6 24.Ba3-+) 24.Ba3 Rc6 (24...b5 25.Bd5 Qd5 26.Nd6-+) 25.Qb7-/+ Rce6 26.Bf3 h6 (26...Ne7 27.Ra1-/+) 27.Kg2 (27.Bc5 Nb4 28.Bg4 Nc2 29.Be6 Re6=+ (worse 29...fe6 30.Ne5+=)) 27...Rf6 28.Bc5 Qc8?? (better 28...Rf5 29.Nd6 Re7-/+) 29.Qc8+/- Rc8 30.Bd4 Re6 (30...Ra6 31.Ra1 Rb8 32.Ra3+-) 31.Bg4 (31.Ra1 Rd8 32.Bc3 Nc3 33.Na5 Rd4+-) 31...Na4? (better 31...Rc4 32.dc4 Re4 33.cd5 Rd4+/-) 32.Be6+- fe6 33.Ra1 Nc5 34.Ra5 (34.Na5?! Nb4 35.c3 Nc2+/-) 34...Nd7 35.Ra7 N7f6 36.Be5 (36.c3 Kh7+-) 36...Rc5 (36...Nb4 37.Bc3 Nbd5 38.Bd2+-) 37.Ra6 Kf7 (37...Nd7 38.Bd4 Nc7 39.Ra7+-) 38.Nd6 (better 38.Bd6 Rc8 39.Ne5 Kg8 40.c4+-) 38...Kg6 39.Bf6 gf6 40.c4 (40.Ne4 Rc2 41.Re6 Kf5+-) 40...Nb4 41.Ra3 Nc2 42.Rc3 Nd4 43.Ne4 Ra5 44.c5 Nc6 (44...Ra6 45.Nd6+-) 45.Nd2 (45.g4 Ra4+-) 45...f5 46.Nf3 Kf6 (46...e5 47.g4 fg4 48.hg4+-) 47.d4 Ra4 48.Rd3 Rc4 49.h4 Ke7 50.Rd2 Nb4 (50...e5 51.d5 Nd8 52.c6+-) 51.Ne5 Rc3 52.Rb2 (better 52.Rd1+-) 52...Nd5 (52...Nd3 53.Rb7 Ke8+-) 53.Rb7 Ke8 (53...Kd8 54.Rh7+-) 54.Rh7 Rc2 55.Rh6 Ne3 (55...Ke7 56.Rh7 Ke8 57.Ra7+-) 56.Kf3 Nd1 57.Re6 Kd8 58.Kf4 (58.Nf7 Kd7 59.Re2 Re2 60.Ke2 Nc3 61.Kd2 Nd5+-) 58...Nf2 (58...Rf2 59.Nf3 Nc3 60.h5 Nd5 61.Kf5 Rf3 62.Kg4+-) 59.Kf5 Nd3 (59...Nh1 60.Rg6 Ke7+-) 60.Nd3 Rc3 61.Ke4 Kc7 62.h5 Rc2 63.Rg6 Rh2 64.g4 Rh4 65.Ne5 Kd8 66.c6 (66.d5 Rh2 67.Rg8 Kc7 68.d6 Kb7 69.c6 Kb6+-) 66...Rh1 67.Rg7 Re1 68.Kd5 Rf1 (68...Rb1 69.Kd6 Rf1 70.Rg8 Rf8 71.Rf8) 69.g5 (69.Rd7 Ke8 70.h6 Rc1 71.h7 Rh1 72.c7 Rh7 73.c8Q) 69...Rf5 (69...Rb1 70.Kd6 Rf1 71.Rg8 Rf8 72.Rf8) 70.Kd6 Rf8 (70...Re5 71.de5 Ke8 72.Re7 Kf8 73.c7 Kg8 74.c8Q) 71.h6 (71.Ra7 Rf6 72.gf6 Ke8 73.Ra8) 71...Kc8 (71...Re8 72.Rd7 Kc8 73.Rc7 Kb8 74.Nd7 Ka8 75.Nb6 Kb8 76.Rb7) 72.h7 (72.Rc7 Kd8 73.Ra7 Rf6 74.gf6 Ke8 75.Ra8) 72...Rd8 (72...Kb8 73.Nc4 Rd8 74.Kc5 Rf8 75.Rb7 Kc8 76.Nd6 Kd8 77.Rd7) 73.Kc5 (73.Rd7 Rh8 74.Rc7 Kb8 75.Nd7 Ka8 76.Nb6 Kb8 77.Rb7) 73...Rh8 (73...Rf8 74.Nc4 Rf5 75.Kd6 Rf8 76.Nb6 Kd8 77.c7 Ke8 78.c8Q) 74.d5 (74.d5 Kb8 75.Kb6 Rf8 76.Rg8 Rc8 77.Rc8 Kc8 78.h8Q; 74.Kb6 Rf8 75.Rc7 Kd8 76.Nf7 Ke8 77.Nd6 Kd8 78.Rd7) 1-0. Fedoseev,Vl3 (2675) - Iljin,T (2270), Titled Tuesday 1st Sept (7), 2020.

6.Bg2 c5

7.0-0 d4 8.c3+= dc3 9.Nc3 (9.dc3 Ba5=) 9...Nc6= 10.Bf4 (10.Bf6 Qf6 11.Nd5 Qd6 12.Nb4 cb4=) 10...Bf5 11.Qc1 Rc8 (11...Re8=+) 12.d3 (12.a3 Bc3 13.Qc3 b6=) 12...b6 (12...Nd4!? 13.Re1 c4-+) 13.a3=+ Ba5 (13...Bc3 14.Qc3 Nd5 15.Qd2=+) 14.Nb5= Nd5 (14...Nd4 15.Nfd4 cd4=) 15.Bd2 (15.Nd6 g5 16.Ng5+/- (16.Nc8?! gf4 17.Na7 Na7=+)) 15...Bg6 (15...a6 16.e4 ab5 17.ef5-/+) 16.Bg5= f6 17.Bd2? (17.Bf4 Nf4 18.Qf4 Qd7=) 17...Re8 (better 17...a6!? 18.Nc3 Nd4-+) 18.e4 (18.Ba5 Na5 19.Ra2 Qd7=+) 18...Nc7 (18...Bd2 19.Qd2 Nc7 20.a4=+) 19.Nc7 (19.Ba5 Nb5 (worse 19...ba5 20.Qc5 Nb5 21.Qb5+/-) 20.Qc4 Bf7 21.Qb5 Na5=+ (worse 21...ba5 22.Rfc1+=)) 19...Rc7 20.Rd1 Bd2 21.Qd2 Rd7 22.Nh4 (22.Qc2 Bh5-/+) 22...Ne5 (22...Be4!? 23.Be4 Re4 24.Qa2 Kf8 25.de4 Rd1 26.Rd1 Qd1 27.Kg2 Ne5-+) 23.Ng6=+ hg6 24.f4 (24.Qc2 Rd3 (worse 24...Nd3 25.Bf1 Ne5 26.Bb5+/-) 25.Bf1 Rd1 26.Rd1 Nf3 27.Kg2 Nd4 28.Bc4 Kh7-/+) 24...Rd3-/+ 25.Qe2 (25.Qa2!? Kf8 26.Rd3 Nd3 27.Qd5-/+) 25...Qd4-+ 26.Kh1 Rd8 27.Rd3?? (better 27.Qa2 c4 28.Rd3 Nd3 29.Rf1-+) 27…Qa1 (27...Qa1 28.Bf1 Nd3-+; 27...Nd3?! 28.Rf1-+; 27...Qd3?! 28.Qa2 Nc4 29.e5-/+) 0-1. spojar (2170) - mark28_biedermann (2160), Rated Blitz game, lichess.org, 2014.

7.Bb2 Nc6 8.0-0 Re8 9.d3 Bg4 10.a3 Ba5 11.Nbd2 Qe7 12.e3 Rad8 13.h3 Bh5 (13...Be6 14.Nb3=+) 14.Nb3 Bc7 (14...Bb6 15.g4 Bg6 16.Nh4=) 15.Qd2 (15.Bf6 Qf6 16.Nc5 Qe7+=) 15...b6 (15...Bf3 16.Bf3 Be5 17.Be5 Ne5 18.Bg2=+) 16.Nh4 Ne5 (16...Be5 17.Be5 Qe5 18.g4=) 17.f4 (17.g4!? Bg6 18.Rfd1=) 17...Nc4=+ 18.Bf6 (18.dc4!? dc4 19.Qf2 cb3 20.cb3=) 18...Qf6-/+ 19.dc4 dc4 20.Qf2 cb3 21.g4 g5 22.Nf3 gf4 23.gh5 fe3 24.Qe2 Qf4 (24...bc2 25.Rac1 Qc3 26.Rc2 Qd3-/+ (worse 26...Qa3 27.Ng5 Qd3 28.Be4 Qe2 29.Re2=+)) 25.Rad1? (25.Rae1 Re4 26.Rd1 Rd1 27.Rd1 bc2-/+) 25...b2?? (better 25...bc2 26.Rd8 A) 26...Bd8?! 27.Qc2 b5 A1) 28.Qc5?? e2 29.Qb5 Bb6 30.Kh1 ef1R (30...ef1B? 31.Qe8 Kg7 32.h6 Qh6 33.Qe5 Qf6 34.Bf1+-; 30...ef1N? 31.Qe8 Kg7 32.h6 Qh6 33.Qe5 Kf8 34.Bf1+-) 31.Qf1 Rc8-+; A2) 28.Kh1=; B) 26...Rd8-+) 26.Rd8=+ Rd8 27.Rb1 b5 (27...Be5!?=+) 28.Rb2+= b4 (28...a6 29.Rb1+=) 29.ab4 cb4 30.Rb3 a5 31.Rd3 (31.Re3?? Bb6 32.Kh1 Qe3-+) 31...Rd3 32.Qd3 a4 33.Qd7 a3 34.h6 Bd6 35.Qc8 Bf8 36.Qa6 e2 (36...Qh6?! 37.Qh6 Bh6 38.Nd4-+) 37.Kf2 Qh6 (better 37...b3 38.cb3 e1Q 39.Ke1 Qc1 40.Kf2 Qb2 41.Kg3 a2-+) 38.Qa8 (38.Qc4 b3! 39.Qb3 Bc5 40.Ke2 Qa6 41.Kd2 a2-+) 38...Qg6 (38...Qe6!? 39.Ke1 b3 40.Nd4-+) 39.Ne1 Qe6 40.Bd5 Qh3 41.Ke2 Qg4 (41...Kg7 42.Qc6-+) 42.Nf3-/+ h5 (42...h6 43.Qc6-/+) 43.Qa7 (43.Qe8 Qf5 44.Ne5 Qc2 45.Ke1-/+) 43...Qf5-+ 44.Bb3 Qe4 (44...Bc5!? 45.Qb8 Kh7 46.Qb7-/+) 45.Kf2-/+ Qf5 46.Ke2 Bc5 47.Qb8 Kh7 48.Qe8? (better 48.Qg3 Kh6 49.Qh4-+) 48...a2! 49.Ng5 (49.Ba2 Qc2 Double attack (49...Qc2 Deflection; 49...Qc2 Decoy)) 49...Kg7 (49...Qg5?! 50.Qf7 Kh6 51.Qe6 Qg6 52.Ba2-+) 50.Ba2 Qc2 (50...Qg5?! 51.Qf7 Kh6 52.Qe6 Qg6 53.Kf3-/+) 51.Ke1 Bf2 (51...Qc1 52.Ke2 Qb2 53.Kd3 Qd4 54.Ke2 Qg4 55.Kd3 Qg3 56.Ke2 Qg5 57.Qf7 Kh6 58.Qe6 Qg6 59.Kf3-+) 52.Kf1 Qa2 53.Qe5 f6 54.Ne6 Kf7 55.Nd8 Kg6 56.Qe4 Kh6 57.Qf4 Kg7 58.Qc7? (58.Qb4 Bg3 59.Qe7 Kg6 60.Qe8 Kg5 61.Qe3 Kg4 62.Qe4 Bf4 63.Qg6 Bg5 64.Qe4 Kg3 65.Qd3 Kf4 66.Qd4 Kf5 67.Qd3 Ke5 68.Nc6 Ke6 69.Nd4 Kf7 70.Nf3-+) 58...Kg6 59.Qe7 Ba7 60.Qe8 (60.Qe4 Kh6 61.Qf4 Kg7 62.Qg3 Kf8-+) 60...Kh6 (60...Kg5 61.Ke1 Qf2 62.Kd1 Qf3 63.Kd2-+) 61.Nf7 (61.Qf8 Kg5 62.Qg7 Kf5 63.Qd7 Kf4 64.Qc7 Ke4 65.Qe7 Kd3 66.Qd6 Kc2 67.Qb4 Qa6 68.Kg2 Qe2 69.Kh3 Qf1 70.Kh4 Qh1 71.Kg3 h4 72.Kg4 Qg2 73.Kf5 Qd5 74.Kg6 Qd3 75.Kg7 Qd8 76.Qa4 Kc3 77.Qa7-+) 61...Kg7 62.Qh8 Kf7 63.Qh5 Ke7 64.Qh7 Kd6 65.Qd3 Kc7 66.Qg3 Kc6 67.Qf3 Qd5 68.Qf6 Kb5 (68...Kb5-+) 0-1. Valenta,Vit jr (2030) - Joba,Arpad (2120), Skalica Open (6), 2020.

7.Bb2 d4 8.0-0 Nc6 9.c3 Ba5 10.Na3 10...dc3 11.Bc3 Bc3 12.dc3 Qa5 13.Nc4 Qc3 (13...Qc7 14.Qa4=) 14.Rc1+= Qb4 15.a3 Qb5 16.Nd6 Qb6 17.Qc2 Bg4 (17...Rd8!? 18.Rfd1 Bg4=) 18.Qc5+= Rfd8 (18...Na5 19.Rfd1+=) 19.Qb6 (19.Nb7 Nd4 20.Nd4 Rd4+/-) 19...ab6 20.Nb7 Rdc8?? (better 20...Nd4 21.Nd4 Rd4+/-) 21.Nd6+- Rc7 22.Ne5!! Ne5 23.Rc7 Ra3 24.f4 Ned7 25.e4 White plans f5 25...Nc5 (25...Nf8 26.e5 Rd3 27.Nf7+- (worse 27.Rf7 Ne8 28.Be4 Rd4+-)) 26.e5 Nfd7 27.Bd5 Be6 28.Be6 fe6 29.f5 Nf8 30.f6 (better 30.Ne8!? ef5 31.Rg7 Kh8 32.Rf5 Nfe6+-) 30...gf6 31.Rf6 (31.ef6 Ncd7+-) 31...Ra1? (31...Ncd7+-) 32.Kg2 Ra2 (32...Ra8 33.Rff7+-) 33.Kh3 Ncd7 (33...Ra8 34.Rff7 Kh8 35.Nc4+-) 34.Rf7 Ne5 35.Rg7 Kh8 1-0. Lance5500 (2525) - FeegLood (2620), lichess.org, 2015.

7.c3 Ba5 =+.

7.0-0 Nc6

8.Bb2 Bg4 9.d3 Re8 10.Nbd2 d4 11.a3 Ba5 12.Nc4=+.

8.Bb2 Bg4 9.d3 Re8 10.Nbd2 d4 11.h3 Be6 12.a3 Ba5 (12...Bc3 13.Qc1=+) 13.Nb3=+ Bb6 14.Re1 Qd7 15.h4 Re7 16.a4 Na5 (16...Bb3 17.cb3 Ba5 18.Nd2-/+) 17.Nbd2 (17.e4 de3 18.Re3 Ng4-/+) 17...Bd5-/+ 18.c3 Rc8 19.c4 (19.Qc2 Bc6-/+) 19...Bc6-/+ 20.Nf1 Rd8 (20...Bc7 21.e4-/+) 21.Qc2 h6 22.Red1 (22.e4!?-/+) 22...Ng4 23.N1h2 Rde8 24.Re1 f5 25.Bc1 Bc7 26.Ng4 (26.Bf4 Nf6-+) 26...fg4-+ 27.Nh2 Bg2 28.Kg2 Nc6 29.Ba3 (better 29.Qd1-+) 29...Qf5 30.Qd1 (30.Rad1 Ba5-+) 30...Ba5 31.e4 de3 32.Re3 Re3 33.fe3 Re3 34.Qg4 Qd3 35.Bc5 Re2 36.Kh3 Be1?? (better 36...h5 37.Qc8 Bd8-+) 37.Nf3-/+ Ba5 (better 37...Bc3!? 38.Rc1 Bb2-/+) 38.Nd4 Nd4 39.Bd4 Re7 40.Bf6 Rd7 41.Be5 (41.h5 Bc7 42.Bb2 Ba5=) 41...Kh7 (41...Bc7 42.Bc7 Rc7 43.Rd1 Qc4 44.Rd8 Kh7 45.Qf5 g6 46.Rd7 Rd7 47.Qd7 Kg8 48.Qb7 Qa4 49.Qa8 Kg7 50.Qb7 Kf6 51.Qf3 Ke5 52.Qe3 Kf5 53.Qf2 Ke6 54.Qe3 Kd5 55.Qh6=) 42.h5 Rf7 43.Rd1 Qf5 44.Rd3?? (better 44.Bb8 Qg4 45.Kg4=) 44...Qf1-+ 45.Kh4 Qh1 (45...Qd3 46.Qg6 Qg6 47.hg6 Kg6 48.Kh3-+) 46.Qh3 Qe4 47.Qg4 Qh1 (better 47...Qd3 48.Qg6 Qg6 49.hg6 Kg6-+) 48.Qh3 Qe4 49.Qg4 Qh1. Valenta,Vit (2085) – Molnar,Jiri (1915), Olomouc Czech Republic, Summer Open, 2017.

8.Bb2 Bg4 9.d3 Re8 10.Nbd2 Qe7 11.Re1 (11.h3 Be6=+) 11...Rad8 (11...d4 12.Qc1-/+) 12.Rb1 (12.c3 Ba5=+) 12...Qe6 (12...d4 13.a3 Ba5 14.h3 Bf3 15.Bf3-/+) 13.Ba1 (better 13.c3!? Ba5 14.Qa4=) 13...d4-/+ 14.a3 Ba3 15.Rb7 Bb4 16.Ng5 (16.h3 Bf3 17.Bf3 Nd5-+) 16...Qc8 17.Bc6 (better 17.Rf7!? Nd5 18.h3-/+) 17...Qc6-+ 18.Ra7 Nd5 (18...h6 19.Ngf3-+) 19.h3?? (better 19.Nf7 Rb8 20.Ng5=) 19...Bh5 (19...Bd7 20.h4-+) 20.g4 (20.Qc1!?-/+) 20...Qh6 (better 20...Bg6-+) 21.Ngf3?? (21.Ndf3 Qb6 22.c3 Nc3 (22...Qa7?! 23.cb4 Bg6 24.bc5-/+) 23.Bc3 Bc3-/+) 21...Bg6 (21...Nf4 22.g5 Qe6-+) 22.Kh2 Nf4 (22...Qf4 23.Kh1-+) 23.h4 White prepares the advance g5 23...f5 24.g5?? (24.gf5 Qh5 25.e3 (25.fg6 Qg4 26.gh7 Kh8 27.Rg7 Qh3 28.Kg1 Kg7 29.h8Q Rh8 30.Bd4 cd4 31.Nd4 Qg2) 25...Bd2 26.Qd2 (26.Nd2?? Qh4 27.Kg1 Qg5 28.Qg4 Qg4 29.Kh2 Qg2) 26...Qf3 27.ef4 Bf5 28.Bd4 cd4 29.Re5-+) 24...Qh5-+ 25.e3 Bd2 26.Rg1 (26.Qd2 Qf3 27.ef4-+) 26...de3 27.fe3 Re3 28.Rg7 Kf8 29.Rg6 Qh4!! (29...Qh4 30.Nh4 Rh3) 0–1. Valenta,Vit (2085) – Zdrazil,Jan (1890), Olomouc Czech Republic, Summer Open, 2017.

8.Bb2 Bg4 9.d4 c4 10.c3 Bd6 11.Na3 Qe7 12.Nb5 a6 13.Nd6 Qd6 14.Re1 Rfe8 15.h3 Bh5 16.g4 Bg6 17.Ne5? (better is 17.Nh4!?+=) 17...Ne5-+ 18.de5 Qe5 19.Qd2 Be4 (19...Qe6 20.Rad1-+) 20.Qd4? (20.f3!? Bg6 21.f4+=) 20...h5 (20...Qd4!? 21.cd4 Bg2 22.Kg2-+) 21.f3 hg4 (better is 21...Qd4!? 22.cd4 Bg6-+) 22.fe4 gh3 23.Qe5 Re5 24.Bh3 Re4 25.Bg2 Re3 26.Bf3 Ne4 Attacking the isolated pawn on c3 27.Rac1 Re8 28.Rc2 g5 (28...b5 29.Bc1 Nc3 30.Be3 Re3 31.Rd2=) 29.Kh2 (29.Bc1 Nc3 30.Be3 Re3+/–) 29...Nf6 (better is 29...b5-/+) 30.Bc1?? (better is 30.Rg1 R3e5 31.Bc1+=) 30...Rf3!-+ 31.Bg5? Ne4 32.ef3+- Nd6 33.Re8 Ne8 34.Rd2 Nc7 35.Bf4 Ne6 36.Be5 Ng5 37.Kg3 1–0. bblchess (1620) – soidog (2010), gameknot.com, 2014.

8.Bc3 Bc3 9.Nc3 d4 10.Nb1 Re8 11.c3 Bg4 12.cd4 cd4 13.e3 Ne5-+ 14.h3 Nf3 15.Bf3 Bh3 16.Re1 Qd7 (16...Qd7 17.Na3 Bg4-+) 0–1. Christobal – pierre, ChessHere.com, 2005.

8.Bb2 Re8

9.a3 Ba5 +=.

9.c3 Ba5 10.Na3 Bf5 11.Rc1 (11.Nc2 Qb6 12.Ba3 d4 13.cd4 cd4+=) 11...Qd7 (11...Qb6 12.Ba1+=) 12.Re1 Rad8 13.d3 h6 14.Nd2 a6 15.Nb3 Bb6 16.Nc2 Ba7 (16...Bh3 17.Ne3-/+) 17.Ba3 b6 18.Ne3 Be6 (18...Bh3 19.Qc2-/+) 19.d4 (19.Nd2 Ng4 20.Ng4 Bg4+=) 19...c4 20.Nd2 Bh3 21.Bh1 (21.Bh3!? Qh3 22.Rb1+=) 21...b5-/+ 22.Rb1 Re6 (22...a5 23.Bc5 Bc5 24.dc5-+) 23.Qc1 (23.Ndf1 Bb6-/+) 23...Rde8 (23...a5 24.Rb5 Nd4 25.Ra5-+) 24.Rd1 Ng4 25.Nd5?? (better is 25.Ng4 Bg4 26.e3-/+) 25...Re2 (better is 25...Nf2 26.Bf3 Re2-+) 26.Nf4 (26.Ne4 Qd5 27.Nf6 Nf6 28.Bd5 Nd5 29.Rb2-+) 26...Nf2 27.Ne2 Re2 28.Nf3 Nh1 29.Rb2 Rb2 30.Bb2 Qf5 31.Qe3 Ng3 32.hg3 Bg4 33.Rf1 Bh3 34.Rf2 Bb8-/+ 35.Qe8 Kh7 36.Qc6 Bg3 37.Qe8?? Qb1-+ 38.Qe1 Bf2 39.Kf2 Qb2 40.Nd2 Qc3 41.Qe4 f5 42.Qf4 Qd3 43.Nf3 Qf1 44.Ke3 Qc1 0–1. Kamber,A (1995) – Stankovic,Ze (2245), Basel Masters, 2015.

9.d3 Ba5 10.Nbd2 Bc7 11.Re1 b6 (11...d4 12.Nb3=+) 12.e4 (12.a3 Bb7=+) 12...de4 13.Ne4 Ne4 14.Re4 Re4 15.de4 Bb7 16.Qd8 Rd8 17.Bf1 (better 17.Bc3!?=+) 17...Nb4-+ 18.c3 Nd3 (worse 18...Be4 19.Ng5 Nd3 20.Ne4 Nb2 21.f4-/+) 19.Bd3 Rd3 20.Ne1 Rd2 21.Bc1 Rd1 22.Bb2 Ra1 23.Ba1 Be4 24.c4 (24.f3 Bb1 25.a3 c4-+) 24...f6 (24...Bb1 25.a3 Ba2 26.Nd3-+) 25.f3 (better 25.a3-+) 25...Bb1 26.a3 Be5 (better 26...Ba2-+) 27.Be5 fe5 28.Kf2 Kf7 29.Ke3 Ke6 30.Ng2 g5 31.h4 h6 32.hg5 hg5 33.f4 ef4 (33...Ba2 34.Kd3-+) 34.gf4 gf4 35.Nf4 Kd6 36.Nd5? (better 36.Ne2 a6 37.Nc3-+) 36...Ba2 37.Kd3 (37.Nf6 Bc4 38.Ne4 Kc6-+) 37...b5! 38.Ne3 (38.cb5 Bb1 Double attack (38...Bd5 Pinning; 38...Bd5 Deflection)) 38...Bc4 39.Nc4 bc4 40.Kc4 Kc6 41.a4 (41.Kc3 Kd5 42.Kd3 c4 43.Kc3 a5-+) 41...a5 42.Kc3 Kd5 43.Kd3 c4 44.Kc3 Kc5 45.Kb2 Kb4 46.Kc2 Ka4 47.Kc3 Kb5 48.Kb2 Kb4 (48...Kb4 49.Kc2 a4 50.Kb2 c3 51.Kc2 a3 52.Kd3 a2 53.Ke4 c2 54.Kf3 c1Q 55.Kg4 Qc4 56.Kf3 a1Q 57.Kg2 Qaf1 58.Kg3 Qcf4) 0-1. Vegeth (2375) - zumpili (2440), Rated Bullet game, lichess.org, 2020.

9.d3 Qe7 10.e3 Bg4 11.Nbd2 Rad8 12.a3 Ba5 13.Nb3 Bb6 14.h3 Bh5 15.Re1 c4 16.dc4 dc4 17.Nbd2 (17.Nbd4 Nd4 18.ed4 Qd6+=) 17...Ba5 (17...Ne4 18.Qc1 c3 19.Ne4 cb2 20.Qb2 Qe4 21.Nd4-+) 18.c3 Ne4 19.Qc2 Bg6 20.Ne4 (20.Nc4 Ng3 21.Qa4 b5 22.Qb5 Bc3 23.Bc3 Ne4 24.Bg7 Kg7 25.Qc6 Rc8+-) 20...Be4 21.Qa4 Bf3 (21...Qf6 22.Nd4 Bg2 23.Kg2 Bb6 24.Qc4 Ne5=) 22.Bf3+= Ne5 23.Be2 Bb6 24.Rad1 (24.Reb1 Qe6 25.Bf1 Nd3-/+) 24...Qe6 (24...Nd3 25.Bd3 cd3 26.c4-/+) 25.Kg2 (25.Rd8 Rd8 (25...Bd8 26.Qa7 Nd3 27.Bg4-+) 26.Qb5 Rd5-/+) 25...g6 (25...Nd3!? 26.Bd3 cd3-/+) 26.Bc1 a6 27.Rd8= Rd8 28.Rd1 Rd1 29.Qd1 h5 30.a4 Kg7 31.Ba3 Qc6 32.Kh2 Qe4 33.Qd6+= Be3? Black gets strong initiative 34.fe3 Qe3+/– 35.Bd1 Qf2= 36.Kh1 Qg3 37.Qd4 Qh3+= 38.Kg1 Qg3 39.Kh1 f6 40.Qd5 Nd3?? 41.Qd7 Kh6= 42.Bf8 Kg5 43.Qd5 Kh4 44.Qc4 Kh3 45.Qe6 f5 (45...f5 46.Bg4 hg4 47.Qe2 Nf2 48.Qf2 Qf2 49.Bd6 Qe1#) 0–1. Botta,Giancarlo – Tesche,Wolfram, Imperia op, 1989.

9.d3 Bf5 10.Nbd2 d4 11.a3 Bd2 12.Qd2= Nd5 13.Rfe1 Nb6 14.a4 c4 15.Qf4 c3 16.Bc3 Nd5 17.Qf5 Nc3? 18.Ng5+- Qf6 19.Qh7 Kf8 20.Ne4 Ne4 21.Be4 Nb4 22.Rab1 a5 23.Bb7 Ra7 24.Bf3 Rc7 25.e3 Qh6 26.Qh6 gh6 27.ed4 Rc2 28.Be4 Rd8 29.d5! Ra2 30.Ra1 Ra1 31.Ra1 Nd5 32.Bd5 Rd5 33.Rc1 Rd3 34.Rc5 Ra3 35.Ra5 Ra2 36.Kg2 Ra3 37.g4 Kg7 38.f3 Ra1 39.Kg3 Ra2 40.h4 Ra1 41.Ra7 Ra3 42.Kf4 Ra1 43.Ra8 Ra2 44.a5 Ra3 45.a6 Ra4 46.Ke5 Ra3 47.Ke4 Ra4 48.Kd5 Ra1 49.Kc6 Rc1 50.Kb7 Rb1 51.Ka7 Rf1 52.Rc8 Rf3 53.Rc7 Rb3 54.Rb7 Ra3 55.Rb5 1–0. Tereladze,Sopiko (2265) – Sanikidze,Tornike, Tbilisi Nabeglavi op, 2001.

9.e3 Ba5 10.d3 d4 11.e4 Qb6 12.Qc1 c4! 13.e5 (13.dc4 Re4 Deflection) 13...Ne5 14.Ne5 Re5 15.dc4 Re2 16.Bf3 (16.c5 Qc5 17.Qd1 Qc2 18.Bd4+=) 16...d3 (16...Bg4 17.Be2 Be2 18.Nd2 Bf1 19.Nf1-+) 17.Bc3? (17.c5 Qc5 18.Bf6-/+) 17...Bc3-+ 18.Nc3 Rc2 19.Qa3 Bh3 20.Bg2? (better is 20.c5 Qc7 21.Rfb1-/+) 20...Bg2 21.Kg2 Ng4 22.Ne4 (22.Nd1 Ne5 23.h4 Qc6 24.Kh2 Nf3 25.Kh3 Qe6 26.Kg2 Qe4-+) 22…Ne3 (22...Ne3 23.Kg1 Qd4 (worse is 23...Nf1 24.Qd3 Ne3 25.fe3-+; 23...Nc4? 24.Qd3 Rb2 25.Qc4+-) 24.fe3 Qe4-+) 0–1. Otto,Norbert – Richter,Klaus, OP–2011–0-01813, 2011.

9.e3 Ba5 10.d3 h6 11.Nbd2 Bf5 12.Nb3 Bb6 13.c4 dc4 14.dc4 Ne4 15.Nh4 Bh7 16.Be4 (16.Qe2!?=) 16...Re4 17.Qf3? (better is 17.Qe2-/+) 17...Qg5-+ 18.Rad1? (18.Qg2 Rc4 19.Rfc1-+) 18...Rh4 19.Rd5 Qg4 20.Qg2 Rh5 21.f3 Qg6 22.e4 Rd5 23.ed5 Na5 24.Na5 Ba5 25.f4 (25.Rd1 Re8-+) 25...Qd3 26.f5 Bf5 27.Qf2 (27.Qf3 Bg6 28.Qd3 Bd3-+) 27...Bg6 28.Qf4 (28.Qf3 Re8 29.Qd3 Bd3-+) 28...Bc3 (better is 28...Bd2 29.Rf3 Qb1 30.Rf1 Bf4 31.Rb1 Be3 32.Kg2 Be4 33.Kh3 Bb1-+) 29.Bc3 Qc3 30.Rd1 Qc2 31.Rd2 (31.Rc1 Qa2 32.Qf1 a5-+) 31...Qe4 (31...Qe4 32.Qe4 Be4-+) 0–1. Valenta,Vit jr (2140) – Mozharov,M (2560), 26th Czech Rapid G1, 2015.

7.Bb2 Nc6

8.0-0 Ba5 9.d3 Bf5 10.Nbd2= Re8 11.e3 (11.Nb3 Bb6=) 11...Bc7 (11...Qd6 12.Nb3=+) 12.Nh4= Be6 13.h3 (13.Nb3 b6=+) 13...Be5 (13...d4 14.Re1-/+) 14.Rb1 (14.Be5 Ne5 15.Nhf3 Nf3 16.Nf3 Qc8=+) 14...Rb8 (14...Bb2 15.Rb2 b6 16.c3=+) 15.Be5 Ne5 16.d4 (16.Nhf3 Nf3 17.Nf3 Qc8=+) 16...cd4-/+ 17.ed4 Nc6 18.Nb3 (18.c3 Qd7-/+) 18...Ne4 19.Rb2 (19.Qh5-/+) 19...Na5 (better 19...Qf6!?-/+) 20.Na5=+ Qa5 21.c4 g5 (21...b6 22.cd5 Nc3 23.Qd3 Nd5 24.Qd2=+) 22.Be4 (better 22.cd5!? Qd5 23.Nf3+=) 22...de4-/+ 23.Rb5 (23.d5 Bh3 (worse 23...gh4 24.de6 Re6 25.Qg4 Rg6 26.Qh4=) 24.Qh5 Qd8=+) 23...Qd8 24.d5 (24.Nf5 Bc4 25.Nh6 Kg7-/+) 24...Bd7-+ (24...gh4?! 25.de6 Re6 26.Rb7 hg3 27.Qd8 Rd8 28.fg3=) 25.Ng2 Bb5 26.cb5 Qd7 (26...Rc8 27.Ne3-+) 27.Ne3-/+ Qh3 (27...Rbd8 28.Qh5 f6 29.h4-/+) 28.Qd4 (28.Ng4!?-/+) 28...Qd7 29.Qf6 Qe7 (29...Qd8 30.Ng4 h5 31.Nh6 Kh7 32.Ng4 Qf6 33.Nf6 Kg7 34.Ne8 Re8 35.Rc1-/+) 30.Ng4 Qf6 31.Nf6 Kf8 (31...Kg7 32.Ne8 Re8 33.Rc1-/+) 32.Ne8=+ Re8 33.Rc1 Ke7 (33...Re7!? 34.Rc8 Kg7=+) 34.Rc7= Kd6 35.Rb7 (35.Rf7 Re7 36.Rf5 h6=) 35...Re7=+ 36.Rb8 Kd5 37.b6 (37.a4 Kc5 38.a5 h6=+) 37...f5 (37...f6 38.a4=+) 38.a4=+ ab6 39.Rb6 Kd4 Black prepares the advance e3 (39...Rc7 40.a5=+) 40.a5 Re5 (40...Rc7 41.Rb4 Kc5 42.Rb6=+) 41.a6 (41.Rb4 Kc5 42.Rb7 Kc4=+) 41...Ra5 42.Rd6 Ke5 43.Rh6 e3 (43...Ra2 44.Kf1=+) 44.Rh7 (44.fe3 Ke4 45.Rh7 Ra6=) 44...Ra6 (44...ef2 45.Kf2 Ra6 46.Re7 Re6 47.Rg7=+) 45.Kf1 (45.Re7 Re6 46.Re6 Ke6 47.fe3 g4=+) 45...ef2 (45...Ra1 46.Kg2=+) 46.Kf2 Ra2 (46...Ra3 47.Re7 Kf6 48.Rb7=+) 47.Ke3 g4 (47...Rg2 48.Kf3 Rb2 49.Re7 Kf6 50.Ra7=+) 48.Rb7 (48.Re7 Kf6 49.Rb7 Ra3 50.Kf2 Rf3 51.Kg2 Re3=+) 48...Rg2 (48...Ra3 49.Kf2=+) 49.Rb5 Kf6 50.Rb6?? (better 50.Rb3=+) 50...Kg5-+ 51.Rb8 (51.Rb5 Rg3 52.Kf2 Rc3-+) 51...Rg3 52.Kf2 (52.Kd4 Ra3-+) 52...Ra3 53.Rb2 (53.Rb7-+) 53...f4 54.Kg2 Kh4 55.Rc2 f3 (55...f3 56.Kf1 g3 57.Rc4 Kh3 58.Ke1 f2 59.Kd2 f1Q 60.Rc3 Rc3 61.Kc3 g2 62.Kd4 g1Q 63.Kd5 Qb5 64.Ke4 Kg2 65.Kf4 Qd4) 0–1. Valenta,Vit (2070) – Glazar,Domagoj (2130), 17. IPCA WCh, 2017.

8.0-0 h6 9.d3 Be6 10.e3 Ba5 11.Nbd2 d4 (11...c4 12.Nb1=+) 12.e4 (12.Ba3!? de3 13.fe3=+) 12...Nd7 13.Nb3 Bb6 (13...f5 14.Na5 Qa5 15.ef5 Bf5 16.Re1=+) 14.Nfd2 Nde5 Black intends c4 15.Qe2 a5 16.f4 a4 17.fe5 c4 (better 17...ab3!? 18.ab3 Ra1 19.Ba1 Ne5=+) 18.Ba3+= ab3 19.ab3 (worse 19.Nc4 Bc4 20.Bf8 Qf8 21.cb3 Be6-/+; 19.Bf8?! b2 20.Rab1 Kf8=) 19...Re8 (19...cd3 20.cd3 Re8 21.Nc4=) 20.bc4 (20.Nc4 Bc4 21.bc4 (21.dc4?? d3 22.Qf2 Bf2 23.Rf2 dc2-+) 21...Ne5 22.Qf2+/-) 20...Ne5+= 21.Kh1 Ba5 22.Bb2 Qb6 23.Nb3 Attacking the isolated pawn on d4 (better 23.Rab1+/-) 23...Red8? (23...Bc3 24.Bc3 dc3 25.Qd1+=) 24.Rab1 (24.Bd4 Rd4 25.Qf2 Rdd8 26.Ra5 Qf2 27.Rf2 Ra5 28.Na5 b6+/-) 24...Bc3+/- 25.Bc3 dc3 26.Ra1 (better 26.Qe1+-) 26...Ra1 27.Na1 (worse 27.Ra1 Nd3 28.cd3 Qb3=+) 27...Qb2 28.Qe1 (28.Qf2 Ra8 29.Nb3 Nd3 30.cd3 Qb3-/+) 28...Ra8 29.Qb1 Ra2 30.Rg1 Ng4 31.h3 Ne3 32.Rc1 (32.c5!?=+) 32...Bd7 33.Bf3 (better 33.Rg1-/+) 33...Ba4 34.Bd1 (34.e5-+) 34…Nf1 (34...Nf1 35.Bg4 A) 35...Ng3?! 36.Kh2 Qa3 37.Rg1= (37.Kg3? Rb2-+); B) 35...Nd2 36.Qa2 Qa2-+; 34...Nd1?! 35.Rd1 Bc2 36.Qb2 Rb2 37.Re1 Bd3 38.c5-+) 0-1. Valenta,Vit jr (2025) - Thuesen,M (2195), 11th Hradec Kralove Open, 2021.

8.0-0 Re8

9.d3 d4 10.c3 Ba5 11.cd4 cd4 12.Nbd2 Nd5 13.Nd4 Nd4 14.Bd4 Bc3 15.Qb3 Bd4 16.Bd5 Re2 17.Bf7 Kh8 18.Ne4 Ba1 19.Ra1 Qd4 20.Rb1 Bg4 21.Qd5 Qd5-/+ 22.Bd5 Rc8 23.Nd6= Rc5 24.Rb7 g6 25.Nf7 Kg8= 26.Ng5?? Rd5-+ (26...Rd5 27.Nh7 Bf3 28.Nf6 Kf8 29.Nh7 Ke8-+) 0–1. Valenta,Vit jr – Kanovsky,D, Czech Christmas, 2006.

9.d3 Qe7 10.e3 Bg4 11.Nbd2 Rad8 12.a3 Ba5 13.Nb3 Bb6 14.h3 Bh5 15.Re1 c4=+ 16.dc4 dc4-/+ 17.Nbd2? Ba5 18.c3 Ne4 19.Qc2-/+ Bg6 20.Ne4 Be4 21.Qa4 Bf3 22.Bf3=+ Ne5 23.Be2 Bb6 24.Rad1 Qe6 25.Kg2 g6 26.Bc1 a6 27.Rd8 Rd8 28.Rd1 Rd1 29.Qd1= h5 30.a4 Kg7 31.Ba3 Qc6 32.Kh2 Qe4 33.Qd6 Be3!-/+ 34.fe3 Qe3 35.Bd1 Qf2 36.Kh1 Qg3 37.Qd4 Qh3 38.Kg1 Qg3 39.Kh1 f6 40.Qd5? Nd3 41.Qd7 Kh6 42.Bf8 Kg5 43.Qd5 Kh4 44.Qc4 Kh3 45.Qe6 f5 (45...f5 46.Bg4 hg4 47.Qe2 Nf2 48.Qf2 Qf2 49.Bd6 Qe1#) 0–1. Botta,G – Tesche,W, Imperia, 1989.

9.e3 Bf5 10.d3 h6 (10...d4 11.a3 Ba5 12.Qc1+=) 11.Nbd2+= Ba5 12.h3 Bc7 13.Re1 Bh7 14.Rb1 Rb8 15.Nh2 Be5 16.Be5 Re5 17.Ng4 Ng4 18.Qg4 Nb4 19.Rb2 Re8 20.a3 Nc6 21.Reb1 b6 22.Qf3 Ne7 23.Nb3 Rc8 24.Rd1 Qd7 25.Qe2 Nc6 26.Nd2 Bf5 27.Kh2 Rcd8 28.Nf3 Qe7 29.Nh4 Be6 30.f4 Bc8 31.Re1 Qf6 32.Rbb1 Qc3 33.Rb3 Qf6 34.Rbb1 Qc3 35.Rb3 Qa5 36.Nf3 Be6 37.Qd2 Qa6 38.Qc1 f6 39.Nd2 Bf7 40.Rb1 Re7 41.Qb2 Qc8 42.Qc3 Re3 43.Bd5= Re1 44.Bf7 Kf7 45.Re1 Nd4 46.Qc4 Kf8 47.c3 b5 48.Qa2 Nf5 49.Ne4 Rd3 50.Qf2 Rd5-/+ 51.Qe2 Qd7 52.c4 Nd4 53.Qf2 bc4 54.Kg2 f5 55.Nc3 Rd6 56.Re3 Qc6 57.Kg1 Re6 58.g4 Re3 59.Qe3 Qe8 60.Qf2 Qe6 61.g5 hg5 62.fg5 Qe5 63.Kf1 Kf7 64.Nd1 Kg6 65.h4 Qe4 0–1. Valenta,Vit jr (2160) – Kantorik,M (2320), Tatranske Zruby SVK, Tatry Open, 2011.

9.e3 Bg4 10.d3 Ba5 11.Nbd2=+ Bh5 (11...Qd6 12.Rb1=+) 12.Nb3= Bb6 13.c4 (13.Qd2 Qd6=) 13...dc4=+ 14.dc4 Qe7 15.Qc2 Rad8 16.a3 (16.Rfd1!?=+) 16...Bg6-/+ 17.Qc1 Ne4 (better 17...Rd3!? 18.Nfd2 Red8-/+) 18.Nh4= Bc7 (18...Qe6 19.Ng6 hg6 20.Qc2=) 19.Ng6 hg6 (19...fg6 20.Qc2+=) 20.Qc2+= Nf6 21.Rad1 (21.Bf6 gf6 (worse 21...Qf6 22.Nc5 b6 23.Na6+-) 22.Rab1 Rd7+=) 21...Be5= 22.Bc1 Bb8 (22...g5 23.h3=) 23.Rd8+= Rd8 24.Rd1 Rd1 25.Qd1 Ne5 (25...g5 26.Bc6 bc6 27.Na5+=) 26.Na5 (26.Qe2 Bd6+=) 26...b6+= 27.Nc6 Nc6 28.Bc6 Be5 (28...g5 29.e4 g4 30.Bg5=) 29.Qd3 (29.f4 Ba1+=) 29...g5= 30.f4 gf4 31.gf4 Bc7 (31...Ba1 32.Bf3=) 32.Bf3+= Qe6 33.Bb2 (33.e4!?+=) 33...Ng4= 34.Bc1 Nh6 (34...Nf6 35.Kg2+=) 35.Qe4 (35.Bd2 Nf5+=) 35...Qf6 36.Qe8 (36.Bd2 g5=) 36...Kh7 37.Qe4 (37.Bd2 g5=) 37...g6 38.Qc2 Nf5 39.Bg4 Nd6 40.Bb2 (better 40.Kg2!?=) 40...Qh4-/+ 41.Be2 (41.Qe2 Nc4! 42.Qc4 Qg4 43.Kf2 Kg8-/+) 41...Qe1 42.Kg2 (42.Bf1 Qe3 43.Qf2 Nf5 44.Qe3 Ne3-/+) 42...Nf5 43.Qd3 (43.Bc1!? Bf4! 44.ef4-/+) 43...Nh4-+ 44.Kh3 Qf2 45.Bg4?? (better 45.Bf6 Nf5 46.Bh5-+) 45...Nf3 46.Bf3 Qf3 (46...Qb2 47.Qd7 Bb8 48.Qf7 Qg7 49.Qe6+-) 47.Kh4 Bf4! 48.Qd5 (48.ef4 Qf2 Double attack (48...Qd3 Pinning; 48...Qd3 Deflection)) 48…g5 (48...g5 49.Qg5 Bg5 50.Kg5 Qe3 51.Kf6 Qf2 52.Ke7 Qb2 53.Kf7 Qh2-+) 0–1. Valenta,Vit (2085) – Nagy,Gabor (2450), 28. Czech Rapid G1, 2017.

9.e3 Bg4 10.h3 Bh5 11.d3 Ba5 (11...d4!? 12.e4 Bf3 13.Bf3 Qb6=+) 12.Nbd2=+ h6 13.Nb3 Bb6 14.c4 (14.Qd2 Rc8=) 14...dc4=+ 15.dc4 Qe7 16.Qc1 Rad8 17.Qc3 Bc7 18.Rad1 Bg6 19.a3 Qf8 (19...Be4!?-/+) 20.Qc1= Ne4 21.Rd8 Rd8 22.Rd1 Qe7 23.Rd8 Nd8 24.Nbd2 f6 25.Nh4 Bh7 26.Ne4 Be4 27.Qd2 (27.Qd1 Bg2 28.Ng2 Qe6=) 27...Bg2 (27...Nf7!?-/+) 28.Ng2= b6 29.Qd5 Nf7 30.Nh4 Qd6 31.Qa8 Qd8 32.Qd8 Bd8 33.Nf3 Nd6 34.Nd2 Kf7 35.Kf1 a6 36.a4 b5 37.ab5 ab5 38.cb5 Nb5 39.Ke2 Ke6 40.Nc4 Bc7 41.Kd3 h5 42.g4 hg4 ½-½. Valenta,Vit jr (2115) - Zatko,G (2190), Tatry Open, 2018.

6.Bg2 Re8

7.0-0 c5 8.Bb2 Nc6 9.d3 Be6 10.Nbd2 c4 11.c3 Bf8 12.d4 b5 13.a4 b4 14.cb4 Nb4 15.Bc3 a5 16.Ne5 Rc8 17.h3 Nd7 18.Nd7 Qd7 19.Kh2 Bf5 20.Nf3 Qe6 21.e3 Bd6 22.Ne5 Rb8 23.Qd2 f6 24.Nf3 Rb7 25.Nh4 Be4 26.Be4 Qe4 27.Ng2 h5 28.Nf4 h4! 0–1. Loktaev,Vlad – Skonieczny,Jerzy (2320), CP–2010–P–00010, 2010.

7.0-0 c5 8.Bb2 Nc6 9.d3 Qe7 10.e3 Bf5 11.Nbd2 Ba5 (11...b5 12.a3 Ba5 13.Nh4=) 12.Rb1 Bb6 13.Nh4 Be6 14.Qf3 (14.Re1 Rad8+=) 14...d4 15.Nf5 (better is 15.c4+=) 15...Bf5 (better is 15...Qd7!? 16.Bh3 g6 17.ed4 cd4 (17...Bf5?! 18.Bf5 gf5 19.dc5=; 17...gf5?! 18.Qf4 Nd4 19.Qg5 Kf8 20.Qf6=) 18.Nh6 Kg7 19.Be6 Qe6-+ (19...fe6?! 20.Ng4 Ng4 21.Qg4+=; 19...Re6?! 20.Ng4-/+)) 16.Qf5+= de3 (16...Nb4 17.ed4 cd4 18.Ba3+=) 17.Bc6 bc6 18.Bf6 Qf6 19.Qf6 gf6 20.Nc4 (20.fe3 Re3 21.Nc4 Re2+/–) 20...ef2 (20...e2 21.Rfe1+=) 21.Rf2 Re6 22.a4 Kg7 23.a5 Bc7 24.Rb7 Be5 25.Kf1 Kg6 (25...a6 26.Ne5 Re5 27.Rf4+/–) 26.Re2 (26.Ne5 Re5 27.Rf4 c4 28.Rc4 Ra5 29.Rc6 Rf5 30.Ke1 Re8 31.Kd2 Rf2 32.Kc3 Rh2 33.Ra7 Rg2=) 26...h5 (26...a6 27.Re4+=) 27.Re4 (27.a6 Ree8+/–) 27...Ree8 (27...a6 28.Rb6+=) 28.a6 Kf5 (28...Re6 29.g4+/–) 29.Rf7+- Ke6 30.Rh7 Rh8 31.Rc7 Rhc8 32.Rg7 Rg8 33.Rb7 Rgb8 34.Na5 Kd6 35.Rh4 Rb7 (35...Rh8 36.Nc4 Ke6 37.Ne5 fe5 38.Ke2+-) 36.Nb7 (36.ab7!? Rb8 37.Rh5 Bc3 38.Nc4 Ke6+-) 36...Kc7 37.Nc5 Kb6 (37...Rh8 38.Rb4 Kd6 39.Ne4 Ke6 40.d4+-) 38.d4 Bd6 39.Rh5 Re8 40.Kf2 Bc5 41.Rc5 (41.dc5?! Ka6 42.Rf5 Kb5+=) 41...Re6 (41...Re4 42.c3+-) 42.h4 Ka6 43.g4 (better is 43.h5!? Kb7+-) 43...Kb6 44.c3 a5 45.h5 a4 46.h6 Re7 (46...a3 47.Rh5 Re8 48.c4+/–) 47.Rh5+- Rh7 48.Ke3 a3 49.Rh2 a2 50.Ra2 Rh6 51.Kf4 Rh3 52.Rf2 Rc3 53.Kf5 (53.Ke4 Rc1+-) 53...Rc4+/– 54.Rd2 Kb5 (54...Kc7!?+/–) 55.Kf6 (55.d5 cd5 56.Rd5 Kc6+-) 55...c5 56.Ke5 (56.d5!? Rf4 57.Ke5 Rf8+-) 56...Kc6 57.d5 Kd7 58.g5 (58.Rg2 Rc1 59.g5 Re1 60.Kf4 Rf1 61.Ke4 Re1 62.Kd3 Rd1 63.Kc4 Rc1 64.Kb5 Ke8+-) 58...Rg4+/– 59.Kf6 Kd6 (better is 59...Rf4!? 60.Kg7 Rd4+-) 60.g6+- Rg1 (60...c4 61.Rc2+-) 61.g7 Rf1 62.Kg6 Rg1 63.Kf7 Rf1 64.Kg8 Rg1 65.Rf2 Kd5 66.Kf7 c4 67.Rf6 Rg7 68.Kg7 ½–½. Grewenig,Jan (2150) – Kollars,Dmitrij (2120), DLM, 2013.

7.0-0 Bg4 8.Bb2 c5 9.Ne5 Bh5 10.Re1 c4 11.h3 Qb6 12.Nf3? (better is 12.Qc1 c3 13.dc3-/+) 12...Bc5-+ 13.Bf6 Bf2 (13...gf6?! 14.e3 Qd6 15.Nc3=; 13...Qf6?! 14.Nc3 Qd6 15.e3+=) 14.Kf1 (14.Kh1 Qf6 15.Nc3 Bf3 16.Bf3 Be1 17.Qe1-+) 14...Bf3 (14...Qf6?! 15.Kf2 Qa1 16.Nc3-+; 14...gf6?! 15.g4 Bg6 16.Nc3 Be1 17.Ne1-+) 15.Bf3 Bg3 (15...Bg3 16.e3 Qf6-+ (16...gf6?! 17.Re2 Qe6 18.Nc3 Qh3 19.Rg2+=); 15...gf6?! 16.Bd5 Bg3 17.e3 Be1 18.Ke1-+; 15...Qf6?! 16.Kf2 Qa1 17.Nc3 Qd1 18.Rd1-/+ (18.Nd1? Nc6-+)) 0–1. heaterhog (2015) – daxthedog (2265), gameknot.com, 2015.

7.0-0 Bg4 8.Bb2 Bd6 9.d3 c5 10.Nbd2 Nc6 11.Rb1 b6 12.h3 Bh5 13.Re1 Rc8 14.e3 Rc7 15.a3 Ne5 (better is 15...Be5=) 16.Be5+/– Be5 17.g4 Bg6 (17...Bg4 18.hg4 Ng4 19.Ne5 Ne5 20.Qh5+/–) 18.Ne5+- Re5 19.f4 Re8 20.f5 Rce7 21.fg6 hg6 22.Qf3 g5 23.Re2 Qd6 24.Rbe1 b5 25.e4 de4 (25...d4 26.Qf5 Re5 27.Qf2+-) 26.Ne4 Qd4 27.Qf2 Nd5 (27...Ne4 28.Be4 a6 29.Kg2+-) 28.Qd4 (28.Nc5 Re2 29.Re2 Qa1 30.Kh2 Re2 31.Qe2 Nf6+-) 28...cd4 29.Kf2 Nf4?? (29...Kf8+-) 30.Nf6! (30.Nf6 gf6 31.Re7+-) 1–0. Valenta,Vit (2195) – Kubis,Ivan (2015), Stare Mesto op, 2009.

7.0-0 Bg4 8.Bb2 Nbd7 9.d3 Qe7 (9...c6 10.Nbd2 (10.a3 Bd6 11.Nc3 Ne5 12.Qd2 Nf3 13.ef3 Bd7 14.Ne2) 10...Qe7 11.Re1 Bf3 12.Bf3 Ne5 13.Bg2 b5 14.a4; 9...Bf3 10.ef3 (10.Bf3 c6 11.a3 Bd6 12.Nd2 Ne5 13.Bg2 Qd7 14.e4) 10...c6 11.a3 Bd6 12.Nd2 Re7 13.Nb3 Qb6 14.Qd2) 10.e3 (10.Nc3 Qc5 11.Na4 Qa5 12.a3 Bd6 13.Nc3 h6 14.Qd2; 10.a3 Ba5 11.e3 h6 12.Nbd2 Nc5 13.Nb3 Nb3 14.cb3) 10...Rad8 (10...h6 11.Nbd2 Bd6 12.h3 Bh5 13.Nb3 Ne5 14.Nbd4) 11.a3 (11.Nbd2 Ne4 12.Nb3 Nc3 13.Qd2 Na4 14.c3) 11...Bd6 (11...Ba5 12.Nbd2 Ne4 13.de4 de4 14.Ne4) 12.Nbd2 (12.Nc3 c6 13.h3 Bh5 14.Qd2) 12...c6 (12...Nc5 13.Qb1 c6 14.Bc3) 13.h3 Bh5 14.Qb1 (14.Nb3=) 14...Rb8 15.Re1 (15.c4 Bf3 16.Nf3 Rbd8=) 15...Qd8 (15...Nc5 16.Nh4=) 16.Qa2 (16.c4 Nc5=) 16...Nc5 (16...b5 17.e4 de4 18.Ne4 Ne4 19.Re4 Re4 20.de4 Bf3 21.Bf3+=) 17.Rab1= Nfd7 18.Qa1 Bf8 19.Ne5 f6 20.Nd7 Qd7 21.Nf1 (21.Bd4 b5=) 21...Bg6 22.Rbd1 Rbd8 23.Kh2 (23.Nd2 Bd6+=) 23...Na4 24.Bc1 (24.Bd4 c5 25.Bc3 Nc3 26.Qc3 b6+=) 24...Bf7 (24...Bd6 25.e4+=) 25.Nd2 Qc7 (25...Bd6 26.Nf3+=) 26.e4 Bh5-/+ 27.Nf3 de4 28.de4 Bc5 29.Bf4 Qa5 30.Rd8 Qd8 31.Qb1 Nb6 32.Re2 Bf7 33.e5 Qc8 34.Re1 Nd5-/+ 35.Bd2 Bf2 36.Rf1 Bb6 37.ef6 Nf6 38.Ng5 Bg6 39.Qa2 Kh8 40.Bc3 Nd5! 41.Ba1 Qd7 42.Qb2 Rg8 43.Qe5? Bc7?? 44.Qd4 h6 45.Qh4= Nf6?? 46.Rf6+- gf6 47.Qh6 Bh7 48.Bf6 (48.Bf6 Qg7 49.Qh7#; 48.Nh7?! Bg3 49.Kg1 Qd1 50.Bf1 Bh2 51.Kh2 Qc2 52.Kh1 Qe4 53.Kh2 Qc2 54.Kh1 Qe4 55.Kh2 Qc2=) 1–0. Valenta,Vit jr (2190) – Molnar,P (2385), Open A Banska Stiavnica SVK, 2006.

7.0-0 Bg4 8.d4 c5 (8...Nbd7!?+=) 9.c3= Ba5 10.Qb3 (10.Bf6 Qf6 11.Ne5 Be6=) 10...Nbd7 11.e3 (11.Qb7 cd4 12.Bf6 Qf6 13.Nd4 Bc3 14.Nc3 Qd4+=) 11...Bf3 12.Bf6 (better is 12.Bf3!? Ne5 13.de5 Re5 14.c4+=) 12...Qf6-/+ (12...gf6? 13.Bf3 cd4 14.cd4+-; 12...Nf6?! 13.Bf3 b6 14.dc5 bc5 15.Rd1=) 13.Qb7? (better is 13.Bf3 Qf3 14.Qb5-/+) 13...Bg2-+ 14.Kg2 Qe6 15.Qb5 Bc7 16.Nd2 Rab8 17.Qa4 a5 18.Rab1 h5 19.Rb5 Rb5 20.Qb5 Rb8 21.Qd3 c4 22.Qc2 Nf6 23.Rb1 Rb1 24.Qb1 Qb6 25.Qf5 Bd6 26.Qc2 a4 27.e4 Ne4 28.Ne4 de4 29.Qe4 Bf8 30.d5 Qc5 31.Kf3 g6 32.Ke2 Qe7 33.f3 Qe4 34.fe4 f6 35.Ke3 Bc5 36.Kf4 Kf7 37.e5 fe5 38.Ke5 Ke7 39.h3 Bd6 40.Kd4 Bg3 41.Kc4 Kd6 42.Kd4 Be5 (42...Be5 43.Ke4 Bc3-+) 0–1. Pena,Patrick – Yap,Aaron, Sydney, 2002.

7.Bb2 Bd6 8.0-0 Nbd7 9.d3 c6 10.a4 Nc5 11.Nbd2 h6 12.c4 Bg4 13.h3 Bh5 14.a5 Rc8 15.Nd4? (better 15.d4 Na6 16.c5=) 15...Nd3!-+ 16.ed3?? (better 16.Bc3 c5 17.N4f3-+) 16...Bd1 17.Rfd1 a6 18.Nf5 Bf8 19.Bf3 g6 20.Ne3 Bg7 21.Rab1 d4 22.Nc2 Nd7 23.Nb3 Ne5 24.Bg2 c5 25.Ba3 Bf8 26.Bb7 (26.f4 Nd7-+) 26...Qf6 (26...Qd7 27.Bg2 Qa4 28.Bc1-+) 27.Nd2 (27.Bc8 Nf3 (27...Rc8?! 28.Ne1-+) 28.Kf1 Nh2 (28...Rc8?! 29.Nd2-+) 29.Kg1 Re2-+) 27...Rb8 28.Ne4 Qf5 29.Ne1 Qh3 (29...Nc4!? 30.dc4 Rb7 31.Rb7 Re4 32.Kg2-+) 30.Nf6 Kg7 31.Ne8 Re8 32.Bg2 (32.Nf3 Nf3 33.Bf3 h5-+) 32...Qd7 33.Nf3 Ng4 34.Bh3 h5 35.Re1 (35.Bc1 Qa4 36.Bf4 Qa5-+) 35...Re1 36.Re1 (36.Ne1 Qa4 37.Bc1 Qa5-+) 36...Qa4 (36...Qf5!? 37.Bg4 hg4 38.Nh2 Qd3 39.Bc1-+) 37.Bc1 Qc2 38.Bg4 hg4 39.Ne5 Qa2 (better 39...f6 40.Nd7 Qc3-+) 40.Ng4 Qa5 (40...Qa5 41.Kf1 f5 42.Bh6 Kg8-+) 0-1. Schack_Baddare (2135) - Nimzozo (2115), Rated Blitz game, lichess.org, 2015.

7.0-0 Nc6

8.Bb2 Qe7

9.a3 A) 9...Bc5 A1) 10.Re1 Bf5 (10...Be6 11.e3 Rad8 12.d3 b5 13.Nbd2 Bd6 14.e4=+; 10...Bg4 11.e3 Bd6 12.h3 Bh5 13.Nc3 Qd7 14.g4=; 10...a6 11.e3 Bg4 12.h3 Be6 13.d3 Rad8 14.Nbd2=+; 10...Na5 11.e3 Nc4 12.Bd4 Bg4 13.Bc5 Qc5 14.d3=+; 10...Bd7 11.e3 Rad8 12.d3 Bg4 13.Nbd2 a6 14.Qb1=; 10...Nd8 11.d4 Bd6 12.Qd3 Ne4 13.c4 dc4 14.Qc4=+) 11.e3 Rad8 12.d3 a6 13.Nc3 b5 14.Qd2=+; A2) 10.e3 Bg4 (10...Rb8 11.d3 Bg4 12.h3 Be6 13.Re1 b5 14.Nc3=+; 10...Be6 11.d3 a6 12.Nbd2 b5 13.a4 b4 14.Rc1=+; 10...a6 11.d3 Be6 12.Nbd2 b5 13.a4 b4 14.Rb1=+; 10...Bf5 11.d3 Rad8 12.Nbd2 a6 13.Ra2 Ng4 14.Re1=; 10...Qe6 11.Nc3 Bd7 12.Nb5 Rac8 13.Nbd4 Nd4 14.Nd4=; 10...Bd7 11.Nc3 Na5 12.d3 c6 13.Re1 Bg4 14.Qd2=) 11.Nc3 Rad8 12.d4 Bb6 13.h3 Bf3 14.Qf3=+; A3) 10.Nc3 Bg4 (10...Na5 11.d3 c6 12.Qd2 b6 13.Rfe1 Ng4 14.e3=; 10...a6 11.e3 Be6 12.Ng5 Bd7 13.d4 Bb6 14.Qd3=; 10...Bf5 11.e3 Rad8 12.d4 Bd6 13.Nb5 a6 14.Nd6=+; 10...Qd7 11.e3 Na5 12.d3 b6 13.Nd2 c6 14.Nb3=) 11.e3 Rad8 12.d4 Bb6 13.Na4 Na5 14.Qd3=+; B) 9...Bd6 B1) 10.Re1 Bf5 (10...Be6 11.Nc3 a6 12.e4 Ne4 13.Ne4 de4 14.Re4=+; 10...Bg4 11.Nc3 a6 12.h3 Bf3 13.ef3 Qd7 14.Ne2=+; 10...a6 11.d3 Bg4 12.Nbd2 b5 13.h3 Be6 14.Ng5=+; 10...Bd7 11.Nc3 a6 12.e4 de4 13.Ng5 Bg4 14.Qb1=; 10...Bc5 11.e3 Bg4 12.h3 Be6 13.d3 Rad8 14.Nbd2=; 10...Na5 11.d3 Bc5 12.e3 Bg4 13.h3 Bf5 14.Bc3=) 11.Bf6 Qf6 12.Nc3 Be4 13.Nb5 Bf3 14.Bf3=+; B2) 10.Nc3 a6 (10...Na5 11.Nb5 Nc4 12.Bd4 c5 13.d3 cd4 14.dc4=; 10...Ne5 11.Ne5 Qe5 12.f4 Qd4 13.e3 Qc5 14.Ne2=+) 11.e3 Bg4 12.h3 Bf5 13.d3 Rad8 14.Ne2=+.

9.Nc3 A) 9...Bg4 A1) 10.Re1 Rad8 (10...Na5 11.Nb5 Ne4 12.Ne5 Bf5 13.a3 Bc5 14.d4=+) 11.a3 Bc5 12.e3 Ne5 13.Nb5 Nc4 14.Bf6-/+; A2) 10.Rb1 Rad8 (10...Bf3 11.Bf3 Ne5 12.e3 c6 13.Bg2 Nc4 14.Ba1=+) 11.a3 Ba5 12.h3 Bf3 13.Bf3 Ne5 14.Nb5-/+; A3) 10.Nb5 Ba5 (10...Rac8 11.h3 Bf3 12.Bf3 a6 13.a3 Bc5 14.Nc3=+; 10...Ne4 11.c3 Bc5 12.Rb1 a6 13.Nbd4 Nd4 14.cd4=+) 11.h3 Bf3 12.Bf3 Ne4 13.Nc3 Rad8 14.Rb1-/+; A4) 10.h3 Bf3 11.Bf3 Nd4 12.Re1 Bc3 13.Bc3 Nf3 14.ef3-/+; A5) 10.a3 Bc3 11.Bc3 Rad8 12.Re1 d4 13.Bb2 Qe6 14.Rb1=+; B) 9...Bf5 B1) 10.d3 Bg4 (10...Qc5 11.Na4 Qa5 12.Bf6 Qa4 13.Bb2 Bc5 14.e3=+; 10...Rad8 11.e3 a6 12.a3 Bd6 13.Qd2 Bg4 14.h3=+; 10...a6 11.e3 Rad8 12.Qd2 Be6 13.a3 Bd6 14.Ng5=+; 10...Rac8 11.a3 Bc5 12.e3 Bg4 13.Re1 Rcd8 14.h3=) 11.h3 Bf3 12.Bf3 Ne5 13.e3 c6 14.a3=+; B2) 10.Nb5 Rac8 (10...Ba5 11.e3 a6 12.Nbd4 Nd4 13.Nd4 Bg4 14.Qc1=+) 11.a3 Bc5 12.e3 a6 13.Nbd4 Nd4 14.Nd4=+; B3) 10.e3 a6 (10...Rad8 11.a3 Bc5 12.d4 Bd6 13.Nb5 a6 14.Nd6=+; 10...Rab8 11.a3 Bc5 12.d3 b5 13.Re1 Be6 14.Ng5=+; 10...Bc5 11.d3 Rad8 12.Rb1 Bg4 13.h3 Bc8 14.Nb5=; 10...Be6 11.a3 Ba5 12.Qe2 Ne4 13.Ne4 de4 14.Nd4=+; 10...Rac8 11.a3 Bc5 12.d3 Bg4 13.h3 Be6 14.d4=; 10...Bg4 11.h3 Bf3 12.Bf3 Bc3 13.Bc3 Ne4 14.Rb1=+) 11.d3 Rad8 12.a3 Bd6 13.Qd2 Bg4 14.h3=+; C) 9...a6 C1) 10.e3 Bd6 (10...Bf5 11.d3 Rad8 12.Qd2 Bg4 13.a3 Bd6 14.h3=+; 10...Be6 11.d3 Bd6 12.Ne2 Rad8 13.Rb1 b5 14.Nf4=+; 10...Bg4 11.h3 Be6 12.Ng5 Bf5 13.f4 Rad8 14.a3=+; 10...Qe6 11.Ne2 Bd6 12.Re1 Qe7 13.Nf4 Be6 14.Rb1=; 10...Bd7 11.Rb1 Bd6 12.Ne2 b6 13.Nf4 Bf4 14.ef4=; 10...Ra7 11.Ne2 Bd6 12.Nf4 Bf4 13.ef4 Qd6 14.Be5=) 11.d3 Be6 12.Re1 b5 13.a3 Rad8 14.e4=+; C2) 10.Re1 Be6 (10...Na5 11.a3 Bd6 12.d3 Bg4 13.e3 Nc6 14.h3=; 10...Bf5 11.e3 Rad8 12.d3 Bd6 13.Nd5 Nd5 14.e4=; 10...Bg4 11.a3 Bd6 12.h3 Be6 13.Ng5 d4 14.Nce4=+; 10...Bd6 11.e3 Bf5 12.d3 Bg4 13.Qd2 Qd7 14.Rab1=+) 11.a3 Ba5 12.e3 Rad8 13.d3 Bg4 14.Qc1=+; C3) 10.Rb1 d4 (10...Be6 11.e3 Ne4 12.Ne2 Bg4 13.Nf4 Rad8 14.c3=+; 10...Bd6 11.e3 Be6 12.Re1 Rab8 13.a4 Rbd8 14.d3=+; 10...Na5 11.d3 b5 12.Qd2 Nb7 13.Qg5 h6 14.Qh4=+) 11.Na4 Ne4 12.e3 Bg4 13.c3 Ne5 14.cb4=+; C4) 10.a3 Bd6 (10...Bc5 11.e3 Be6 12.Ng5 Bd7 13.d4 Bb6 14.Qd3=) 11.e3 Bg4 12.h3 Bf5 13.d3 Rad8 14.Ne2=+; D) 9...Be6 D1) 10.Nb5 Rac8 (10...Ba5 11.Rb1 a6 12.Nbd4 Nd4 13.Nd4 Ne4 14.Nb3=+; 10...Ne4 11.a3 Ba5 12.d3 Ng5 13.Nfd4 Nd4 14.Nd4=) 11.Rb1 Bc5 12.d4 Bb6 13.e3 Qd7 14.Ba3=+; D2) 10.d3 Nd7 (10...a6 11.e3 Rad8 12.Ne2 Bd6 13.Rb1 b5 14.Nf4=+; 10...Bg4 11.h3 Bf3 12.Bf3 Ne5 13.e3 c6 14.a3=+; 10...Qc5 11.Na4 Qb5 12.Bf6 Qa4 13.Bb2 Be7 14.a3=+; 10...Rab8 11.a3 Bc5 12.Nb5 Rbc8 13.e3 a6 14.Nbd4=+; 10...a5 11.a3 Bc5 12.Nb5 Rac8 13.Qd2 h6 14.Nbd4=; 10...Rad8 11.Nb5 a6 12.Bf6 gf6 13.c3 Ba5 14.Nbd4=+) 11.a3 Ba5 12.Nb5 Nb6 13.c3 Bg4 14.Re1=+; D3) 10.a3 Ba5 (10...Bc5 11.d4 Bb6 12.Qd3 Bg4 13.e3 Qe6 14.Ng5=) 11.Rb1 Ne4 12.Ne4 de4 13.Nd4 Nd4 14.Bd4=+.

9.Re1 Bc5 A) 10.a3 Be6 (10...Bf5 11.e3 Nd8 12.d3 c6 13.Nbd2 Bg4 14.c4=; 10...Bg4 11.e3 Bd6 12.h3 Bh5 13.Nc3 Bf3 14.Bf3=; 10...Na5 11.e3 Nc4 12.Bd4 Bg4 13.Bc5 Qc5 14.d3=+) 11.e3 Rad8 12.Qe2 a6 13.Nc3 b5 14.a4=+; B) 10.Nc3 Na5 (10...Bf5 11.e3 Nb4 12.d3 c6 13.a3 Na6 14.Na4=; 10...Nb4 11.d4 Bb6 12.e4 de4 13.Ng5 Qd8 14.Nce4=; 10...Be6 11.e3 Rad8 12.Rb1 Bb4 13.a3 Ba5 14.d3=; 10...Bg4 11.Na4 Bd6 12.Rb1 Nd8 13.h3 Bf5 14.d3=+; 10...a6 11.Rb1 Bf5 12.Na4 Ng4 13.e3 Bd6 14.Nd4=; 10...Rb8 11.e3 b5 12.a4 ba4 13.Na4 Bb4 14.Qc1=+) 11.d4 Bb6 12.Qd3 c6 13.Na4 Nc4 14.Nb6=+.

9.Re1 Qe6 A) 10.Nc3 Ne4 (10...Bc5 11.Nb5 Bb6 12.e3 a6 13.Nbd4 Nd4 14.Nd4=+) 11.Nb5 Re7 12.c3 Bc5 13.e3 Qg6 14.d3=+; B) 10.c3 Bc5 (10...Be7 11.d3 Bd7 12.e4 de4 13.Ng5 Qf5 14.Ne4=+; 10...Ba5 11.d3 Bb6 12.e3 Ne5 13.Ne5 Qe5 14.Nd2=; 10...Bd6 11.Ba3 Ne5 12.Ng5 Qe7 13.Bd6 Qd6 14.d4=; 10...Bf8 11.Ba3 Ba3 12.Na3 Ne5 13.Ne5 Qe5 14.d4=+) 11.d4 Be7 12.Bc1 Ne4 13.Qc2 Qf5 14.Qd3=+; C) 10.Ba3 Ba5 (10...Ba3 11.Na3 Qe7 12.Qc1 Bg4 13.Rb1 Bf3 14.ef3=+) 11.Bb2 Bd7 12.Nc3 Ne4 13.Rb1 Qd6 14.e3=+; D) 10.a3 Bc5 (10...Ba5 11.Nc3 Ne4 12.e3 Bc3 13.Bc3 Qd6 14.Bb2=; 10...Be7 11.Nc3 Na5 12.Nb5 Qd7 13.a4 c6 14.Ne5=+) 11.Nc3 Na5 12.d4 Nc4 13.Bc1 Bb6 14.Ng5=+; E) 10.Nd4 Nd4 (10...Qe5 11.e3 a6 12.Qc1 Nd4 13.Bd4 Qf5 14.Qb2=) 11.Bd4 c6 12.Nc3 Ne4 13.Ne4 de4 14.c3=.

9.Re1 Be6 A) 10.a3 Ba5 (10...Bc5 11.e3 Rad8 12.d3 a6 13.Nbd2 Bd6 14.Ng5=; 10...Bd6 11.Nc3 Ne4 12.Qb1 Bc5 13.e3 Rad8 14.Na4=+) 11.Nc3 Ne4 12.Ne4 de4 13.Nd4 Nd4 14.Bd4-/+; B) 10.e3 Ba5 (10...Rad8 11.a3 Bd6 12.d3 b5 13.Nc3 a6 14.Qb1=+; 10...a6 11.a3 Bd6 12.d3 Rad8 13.Nbd2 b5 14.Qb1=+; 10...Bg4 11.h3 Be6 12.a3 Bd6 13.Nc3 a6 14.Ng5=+; 10...Ne4 11.a3 Ba5 12.Re2 Ng5 13.Ng5 Qg5 14.Re1=+; 10...Rab8 11.a3 Ba5 12.Nc3 Ne4 13.Ne4 de4 14.Nd4=+; 10...Rac8 11.a3 Bd6 12.d3 a6 13.Nc3 Rcd8 14.Nd2=+) 11.Ng5 Bf5 12.Nc3 Ne5 13.d3 Bg4 14.Qc1=+.

9.Re1 Bf5 A) 10.a3 Ba5 (10...Bc5 11.e3 Rad8 12.d3 a6 13.Nbd2 Bg4 14.h3=; 10...Bd6 11.Bf6 Qf6 12.Nc3 Be4 13.Nb5 Bf3 14.Bf3=+) 11.Nc3 Rad8 12.Nb5 Ne4 13.Nbd4 Nd4 14.Nd4-/+; B) 10.Nc3 Rad8 (10...Qc5 11.e3 Ne4 12.Ne2 Bg4 13.c3 Ba5 14.Qb3=+; 10...a6 11.e3 Rad8 12.d3 Bg4 13.a3 Ba5 14.Qc1=+; 10...Rac8 11.e3 Qe6 12.a3 Be7 13.Rb1 Bg4 14.Ne2=) 11.a3 Ba5 12.Nb5 Ne4 13.Nbd4 Nd4 14.Nd4-/+; C) 10.e3 Rad8 (10...Bg4 11.h3 Be6 12.a3 Bd6 13.Nc3 a6 14.Ng5=+; 10...a6 11.Nc3 Rad8 12.d3 Bg4 13.a3 Ba5 14.Qc1=+; 10...Be6 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bd7 14.f4=+; 10...Qd6 11.a3 Ba5 12.Bc3 Bb6 13.d3 d4 14.ed4=+) 11.a3 Ba5 12.Bc3 Bc3 13.Nc3 Ne4 14.Qb1=+.

9.Re1 Bg4 10.c3 Bf3 11.Bf3 Ne5 12.Rf1 Nf3 13.ef3 Bd6 14.d4 Qe2 15.Nd2 Qa6 16.Re1-/+ Re1 17.Qe1 Re8 18.Qd1 c6 19.Qf1 Re2 20.Rd1 Qd3 21.Kg2 Bf8 22.Ne4 Qc2 23.Nf6 gf6 24.Bc1 Qa2 25.Bf4 Qc4 26.Rd2 Rd2-+ 27.Qc4 dc4 28.Bd2 a5 29.Kf1 b5 30.Ke2 b4 31.cb4 Bb4 32.Kd1 Bd2-+ 33.Kd2 a4 (33...a4 34.Kc3 a3-+) 0–1. Nissen,Hans H K – Andersen,Jan Ivan, 1. ch–DEN prel G5, 1998.

9.Re1 Bg4 10.c3 (10.a3 Bc5 11.e3 Bd6 12.h3 Bh5 13.Nc3 Bf3 14.Bf3=; 10.Nc3 Rad8 (10...Qd7 11.a3 Ba5 12.Na4 Ne4 13.Bc3 Nc3 14.Nc3-/+; 10...Na5 11.Nb5 Ne4 12.Ne5 Bf5 13.a3 Bc5 14.d4=+) 11.a3 Bc5 12.e3 Ne5 13.Nb5 Nc4 14.Bf6-/+) 10...Bf3 (10...Bd6 11.d3 Rab8 12.Nbd2 Ne5 13.Ne5 Be5 14.Qa4=+; 10...Bc5 11.d4 Bd6 12.Nbd2 Rab8 13.Qc2 Qd7 14.c4=+) 11.Bf3 Ne5 12.Rf1 (12.Bg2!? Bd6 13.d3=+ Neg4 14.e3=+) 12...Nf3-/+ 13.ef3 Opening the e–file gets Black a lot of play 13...Bd6 14.d4 (14.Bc1-/+) 14...Qe2 15.Nd2 (15.Ba3 Rad8-/+) 15...c6 (15...Qd3 16.Nb1 Qc4 17.Qb3-/+) 16.Re1 Qe1 17.Qe1 Re1 18.Re1 Re8 19.Re3 Kf8 20.Kf1 Nd7 21.Ke2 Nb6 22.Kd3 Na4 23.Bc1 c5 24.c4 dc4 25.Nc4 Be7 26.dc5 Nc5 27.Ke2 Ne6 28.Ba3 Rc8 29.Be7 Ke7 30.Kd3 Kf6 31.h4 b5 32.Nd2 Rd8 33.Kc2 g6 34.Ne4 Kg7 35.Rd3 Rc8 36.Kb2 Kf8 37.Rd7 Rc7 38.Rc7 Nc7 39.Kb3 Ke7 40.Kb4 f5 41.Nc3 a6 42.Kc5 Kd7 43.a3 Ne6 44.Kb6 Nc7 (44...Nd4 45.f4=) 45.Na2 Kd6 46.Nb4 Kd7 (46...f4 47.Nd3 Ne6 48.Ka6+=) 47.g4 (47.Na6 Na6 48.Ka6 Kc6+=) 47...Kd6 48.Nd3 (48.g5 f4+=) 48...Ne6 49.h5 gh5 50.gh5 Nd4 51.Ka6 Nc2 52.Kb5 Na3 53.Kb4 Nb1 54.Kc4 Nd2 55.Kd4 Nf3 56.Ke3 ½–½. Baecklin,Stefan – Andersson,Richard, corr SSKK 1–08, 1987.

9.e3 A) 9...Be6 A1) 10.d3 Rab8 (10...Rad8 11.Nbd2 a5 12.Qb1 b6 13.a3 Bd2 14.Nd2=; 10...a6 11.Nbd2 Rad8 12.Ng5 Bd7 13.Rb1 b6 14.Bf6=+; 10...Bg4 11.h3 Be6 12.a3 Bd6 13.Nbd2 b5 14.Ng5=+; 10...Rac8 11.Ng5 Bd7 12.Nd2 Ne5 13.Rb1 Bg4 14.Ndf3=) 11.Nc3 a6 12.Qd2 Bd6 13.Rab1 b5 14.Ne2=+; A2) 10.Qe2 Bd6 (10...a6 11.d3 Bg4 12.h3 Be6 13.Nbd2 Rad8 14.Rfb1=; 10...Bf5 11.d3 Rad8 12.a3 Bc5 13.Nc3 a6 14.Qd2=+; 10...Rab8 11.a3 Bd6 12.Nc3 a6 13.Rfb1 Bg4 14.h3=+; 10...Ne4 11.d3 Nf6 12.a3 Bd6 13.Nbd2 Rab8 14.Rfe1=) 11.Nc3 a6 12.Ng5 Bf5 13.d3 h6 14.Nf3=+; A3) 10.Re1 a6 (10...Rab8 11.a3 Bd6 12.Nc3 a6 13.d3 b5 14.e4=+; 10...Rad8 11.a3 Bd6 12.d3 a6 13.Nbd2 b5 14.Ng5=+; 10...Ba5 11.Re2 Rad8 12.Ba3 Bb4 13.Bb4 Nb4 14.a3=+; 10...Rac8 11.a3 Ba5 12.Re2 Nd8 13.d3 a6 14.Nbd2=; 10...Ne4 11.a3 Bd6 12.d3 Ng5 13.Nc3 a6 14.Nd2=; 10...a5 11.a3 Bc5 12.d3 Rab8 13.Nbd2 b5 14.Ng5=) 11.a3 Ba5 12.Re2 Rad8 13.d3 Na7 14.Nd4=+; A4) 10.a3 Bc5 (10...Bd6 11.Nc3 a6 12.Ng5 Bf5 13.f4 h6 14.Bd5=+; 10...Ba5 11.d3 a6 12.Nbd2 Rad8 13.Nb3 Bb6 14.Rb1=) 11.d3 a6 12.Ng5 Bd7 13.Nf3 Qe6 14.Nbd2=+; B) 9...a6 B1) 10.a3 Bd6 (10...Bc5 11.d3 Be6 12.Nbd2 Rad8 13.Re1 Bd6 14.Ng5=+) 11.d3 b5 12.Nbd2 Rb8 13.Re1 Bg4 14.h3=+; B2) 10.d3 Be6 (10...Bg4 11.h3 Be6 12.Nc3 Rad8 13.Rb1 Bd6 14.Ne2=+; 10...Bd6 11.Nbd2 Rb8 12.Re1 Bg4 13.h3 Be6 14.Ng5=; 10...Bf5 11.Nbd2 Rad8 12.Rb1 b5 13.Re1 Ba3 14.Qc1=+; 10...Bd7 11.Nbd2 b5 12.a4 Qe6 13.Rb1 Be7 14.c4=; 10...Qe6 11.Nbd2 Rb8 12.c4 dc4 13.Nc4 Nd7 14.a3=; 10...Bc5 11.Nbd2 Rb8 12.c4 dc4 13.Nc4 Rd8 14.d4=) 11.Nbd2 Rad8 12.Ng5 Bc8 13.a3 Bc5 14.Re1=+; B3) 10.h3 Bd6 (10...Be6 11.a3 Bd6 12.d3 Rad8 13.Nbd2 b5 14.Re1=+; 10...Qe6 11.d3 Bd7 12.g4 h6 13.Nbd2 b5 14.a4=+; 10...Rb8 11.d3 Bd6 12.Nbd2 b5 13.Re1 Be6 14.Ng5=; 10...Bd7 11.d3 Qe6 12.Nbd2 b5 13.a4 Reb8 14.e4=; 10...Bf5 11.d3 Rad8 12.Nbd2 b6 13.Rb1 Ba3 14.Ba3=+; 10...Bc5 11.d3 Be6 12.Nbd2 Rad8 13.Nb3 Bd6 14.Rb1=+) 11.d3 Be6 12.Nbd2 Rad8 13.Qb1 b5 14.Re1=+; B4) 10.Re1 Bd6 (10...Bg4 11.h3 Bf5 12.a3 Bd6 13.d3 b5 14.Nbd2=+; 10...Bf5 11.a3 Bd6 12.d3 b5 13.Nc3 Bg4 14.h3=+; 10...Be6 11.a3 Bd6 12.d3 Rad8 13.Nbd2 b5 14.a4=+) 11.Nc3 Be6 12.Rb1 Rab8 13.Ng5 Bd7 14.f4=+; B5) 10.Qe2 Rb8 (10...Bg4 11.h3 Bf5 12.d3 Rad8 13.Nbd2 Be6 14.Rfb1=; 10...Be6 11.a3 Bd6 12.Nc3 Rab8 13.Rfb1 Bg4 14.h3=+; 10...Bd6 11.d3 Be6 12.Nbd2 b5 13.c4 Rab8 14.cd5=+; 10...Bc5 11.Nc3 Bd6 12.Rfe1 Nb4 13.d3 c5 14.Na4=+; 10...Bd7 11.a3 Bd6 12.Nc3 Bf5 13.Qd1 Rad8 14.d3=+; 10...Bf5 11.d3 Bd6 12.Nbd2 b6 13.Rfb1 Rad8 14.h3=+) 11.a3 Bd6 12.h3 b5 13.Qd3 Ne5 14.Ne5=+; B6) 10.Nc3 Bf5 (10...Bd6 11.Rb1 Be6 12.Ne2 Rab8 13.Nf4 b5 14.d3=+; 10...Be6 11.a3 Bd6 12.Ng5 Bf5 13.f4 h6 14.Bd5=+; 10...Bg4 11.h3 Be6 12.d3 Rad8 13.Rb1 Bd6 14.Ne2=+; 10...Bd7 11.Rb1 Rad8 12.Ne2 Bg4 13.Ned4 Ne4 14.Nc6=+; 10...Qe6 11.Ne2 Bd6 12.Re1 Qe7 13.Nf4 Be6 14.Qb1=; 10...Bc5 11.Rb1 b5 12.Ne1 Be6 13.Nd3 Ba3 14.Ba3=+) 11.d3 Rad8 12.Qd2 Bg4 13.a3 Bd6 14.h3=+; C) 9...Bf5 C1) 10.d3 a6 (10...Rad8 11.Nbd2 Bg4 12.h3 Bf5 13.a3 Bd6 14.Qb1=; 10...Be6 11.Nbd2 Rab8 12.Rb1 Bd6 13.Ng5 Be5 14.Ne6=; 10...Bg4 11.h3 Be6 12.Nbd2 Bd6 13.Qb1 Rab8 14.c4=; 10...Rab8 11.Nc3 a6 12.a3 Bd6 13.Re1 Qd7 14.Ne2=+; 10...Qe6 11.a3 Be7 12.Nbd2 Rad8 13.Re1 b5 14.Nb3=+; 10...Rac8 11.Nbd2 Rcd8 12.a3 Bd6 13.Qb1 Nd7 14.Re1=) 11.Nbd2 Rad8 12.Qb1 Qe6 13.Ng5 Qc8 14.Ndf3=+; C2) 10.Nc3 Rad8 (10...a6 11.d3 Rad8 12.Qd2 Bg4 13.a3 Bd6 14.h3=+; 10...Rab8 11.a3 Bc5 12.d3 b5 13.Ne2 Bd6 14.h3=+; 10...Be6 11.a3 Ba5 12.Qe2 a6 13.Qd3 Qd7 14.Ne2=+; 10...Rac8 11.a3 Bc5 12.d3 Be6 13.Qb1 Nd8 14.Ne2=; 10...Bg4 11.Rb1 Qd7 12.Ne2 Ne4 13.c3 Bd6 14.d3=+; 10...Bc5 11.d3 Rad8 12.Rb1 a6 13.Na4 Bb4 14.Nh4=) 11.a3 Bc5 12.d3 a6 13.Re1 b5 14.Ne2=+; C3) 10.a3 Bc5 (10...Bd6 11.d3 Rad8 12.Nbd2 b5 13.Nh4 Be6 14.c4=) 11.Nc3 Rad8 12.d4 Bd6 13.Nb5 Na5 14.Nd2=+; D) 9...Bg4 D1) 10.d3 Rab8 (10...Qe6 11.h3 Bh5 12.Nbd2 Rad8 13.Rb1 Ne4 14.Ne4=; 10...Bd6 11.h3 Be6 12.Nc3 a6 13.Ne2 Rab8 14.Ned4=+; 10...Rad8 11.h3 Be6 12.Nbd2 a6 13.Ng5 Bd7 14.Rb1=+; 10...a6 11.h3 Be6 12.Nc3 Rad8 13.Rb1 Bd6 14.Ne2=+; 10...a5 11.h3 Be6 12.a3 Bc5 13.Nbd2 Rad8 14.Nb3=; 10...Nd8 11.h3 Bh5 12.Nbd2 Ne6 13.Qb1 Nd7 14.c4=) 11.h3 Be6 12.Nc3 a6 13.Qd2 Qd7 14.a3=+; D2) 10.a3 Bc5 (10...Bd6 11.h3 Be6 12.Nc3 a6 13.d3 Rad8 14.Qd2=+) 11.Nc3 Rad8 12.d4 Bb6 13.h3 Bf3 14.Qf3=+; D3) 10.h3 Bf5 (10...Be6 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bf5 14.f4=+; 10...Bd7 11.Nc3 Qe6 12.a3 Bc5 13.Ne2 Bd6 14.Nf4=) 11.d3 Rad8 12.Nbd2 a6 13.a3 Bd6 14.Nb3=+.

5.g3 d6

6.Bb2 Nc6 7.Bg2 Be6 8.0-0 Qd7 (8...Re8 9.a3 Ba5 10.Nc3+=) 9.d3 (9.Bf6 gf6 10.c3 Ba5+=) 9...Bh3 (9...Qe7 10.a3 Bc5 11.c4=) 10.c4 (10.Bf6 gf6 11.c3 Bg2 12.Kg2+= (12.cb4? Bf1 13.Kf1 Nb4-+)) 10...Bg2= 11.Kg2 Ng4 12.Nc3 Nge5 13.Ne5 Ne5 14.Ne4 Ng6 15.Qb3 Ba5 16.Qa3 (better is 16.Qb7!? Qg4 17.f3+/–) 16...Bb6 17.Qc3 f6 18.a4 a6 19.a5 Ba7 20.Ba3 Rae8 21.Rab1 b6 (better is 21...Qc6!? 22.Qb3 Rb8=) 22.ab6+/– Bb6 23.Rb3 (23.Bd6!? Re4 24.Bf8 Re2 25.d4=) 23...Qc6 24.f3 Ne5 25.Rfb1 Qd7?? (25...f5 26.Nd6 Nf3-/+) 26.Nd6! (26.Nd6 Ra8 27.Ne4+/–) 1–0. Jokmin,Alex – Feng,Jason, RN–2009–0-00243, 2009.

6.Bb2 Nc6 7.Bg2 Re8 8.0-0 Be6 9.d3 Qd7 10.Bf6 gf6 11.Nbd2 Bh3 12.Ne4 Kg7 13.Nh4 (13.Bh3!? Qh3 14.c3+=) 13...Bg2 14.Ng2 d5 15.Nd2 Nd4 16.e3 Bd2 17.ed4 Bc3 18.Rb1 c6 19.Qf3 Bd4 20.Rfe1 Bc3 (20...Re1 21.Re1 Bc3 22.Re2=) 21.Re8 (21.Red1 b5=) 21...Re8=+ 22.Nh4 Re5 23.g4 b5 (23...Kg8!?=+) 24.Nf5+= Kh8 25.d4 Re4? (better 25...Rf5 26.Qf5 Qf5 27.gf5 Bd4+=) 26.Qc3+- Rg4 27.Ng3 h5 (27...f5 28.f3 Rg8 29.Kh1+-) 28.Qf3 f5 (28...Qd6 29.Re1 Qf4 30.Re8 Kh7 31.Qd3 f5 32.Kf1+-) 29.Kh1 (29.h3 Rg5 30.Re1 Kh7+-) 29...f4 30.Nh5 Qf5 31.Ng3! Qc2 (31...fg3 32.Qf5 Pinning (32.Qf5 Deflection)) 32.Re1 Qg6 33.Ne2 Qg5? (33...Qe4 34.Qe4 de4+-) 34.Qh3 (better 34.Rc1!? b4+-) 34...Kg7 35.Qg4! Qg4 (35...Qg4 36.Rg1 Pinning (36.Rg1 Decoy)) 36.Rg1 Qg1 37.Kg1 1-0. Chumarova,Karina (1805) - Mainul,Islam, 6th Sochi Amateur Open, 2019.

6.Bb2 Nc6 7.Bg2 Bg4 8.a3 Ba5 9.0-0 Re8 10.Nc3 Qd7 11.Re1 Bh3 12.Bh1 Rad8 13.Rb1 Bb6 (13...d5 14.Na2 Ne4 15.Nb4+=) 14.Ng5 Bf2?? (better is 14...Bf5=) 15.Kf2+- Qf5 16.Nf3 Nd4 17.d3?? (better is 17.Kg1 Nf3 18.Bf3+-) 17...Ng4 18.Kg1 Nf3?? 19.Bf3+- Ne3 20.Qd2 Qc5 21.Kh1 d5 22.Rbc1 Re6 23.Nd1+- Nd1 24.Rcd1 Rde8 25.Qc3 Qc3 26.Bc3 c6 27.Kg1 f6 28.Kf2 a6 29.g4 f5 30.gf5 Bf5 31.Rg1 Rg6 32.Bh5 Rg1 33.Rg1 g6 34.h4 Kf7 35.Bf3 Ke6 36.h5 Kd6 37.hg6 Bg6 38.a4 b6 39.Bd2 b5 40.ab5 ab5 41.Rh1 c5 42.Rh6 Ke5 43.Bh5 Re6 44.Bg4 Ra6 45.Rh1 b4 46.Rc1 Ra3 47.Bg5 c4 48.Be7 Ra4 49.Ke3 d4+/– 50.Kd2 c3 51.Kd1 Bf7 52.Rb1 b3 53.cb3 Ra2 54.Kc1 Rd2? 55.Bg5 Ra2 56.e3?? de3+= 57.Be3 Bg6 58.d4 Ke4 59.Bg5 Kd5?? 60.Bd1 Bb1?? 61.Kb1= Rb2 62.Kc1+/– Kd4 63.Bc2 h5 64.Bf6 Ke3 65.Bc3 Ra2 66.b4 Ra8 67.b5 Rb8+/– 68.b6 Rb6 69.Be1 Rc6 70.Kb2 Rc2 ½–½. Kueffer,L – Pope,M, Burlingame, 1998.

6.Bb2 Be6 7.Bg2 -/+.

6.Bb2 Re8 7.Bg2=+ Bd7 8.0-0 Bc6 9.a3 Ba5 10.c4 b5 11.cb5+/– Bb5? 12.e3?? Bf1-/+ 13.Qf1 c6 14.d4 d5 15.Nbd2 Bc7 16.Nb3 Nbd7 17.Rc1 Rb8 18.Qd3 Rb6 19.Ba1 Qb8 20.Nfd2 Bd6 21.a4 Ne4 22.Na5 Nd2-+ 23.Qd2 Bb4 24.Bc3 Bc3 25.Qc3-/+ Rb1 26.Nc6=+ Rc1 27.Qc1 Qd6 28.Na7= Qa6 29.Qc7 Nf6 30.Nc6+= Qe2 31.Ne7 Kf8 32.Nf5 Qe1 33.Bf1 Ne4 34.Qf4 Rd8 35.Qf3 g6 36.Nh4 Rc8 (36...Rc8 37.Kg2 Rc1=). Wartig,Wolfgang – Hartwig,B, corr DDR–ch I819, 1989.

6.Bb2 Bg4 7.Bg2 Ne4 8.0-0 Nc6 9.d3 Bf3 10.ef3 Nf6 11.Nd2 a5 12.Ne4 Nd5 13.c3 Bc5= 14.d4 Bb6 15.c4 Nf6 16.d5 Nb4? 17.a3 Na6? 18.Nf6+- gf6 19.f4 Nc5?? 20.Qg4 Kh8 21.Qf5 Kg8 22.Bf6 Qd7 23.Qg5 1–0. pumpkin (2190) – phishhead (2000), net–chess.com, 2005.

6.Bc3 Bc3 7.Nc3 Bg4 8.Bg2 Nbd7 9.0-0 Re8 10.h3 Bh5 11.Rb1 Rb8 12.g4 Bg6=+ 13.d3 c6 14.Nh4 Qe7 15.Ng6= hg6 16.f4 d5-/+ 17.Bf3?? Qe3 18.Kg2-/+ Nc5 19.Qc1=+ d4 20.Qe3= Re3 21.Rb4?? dc3-+ 22.Kf2 Ree8 23.Rfb1 Ncd7 24.Rb7-/+ Nd5 25.e4 Nf4-+ 26.Rb8 Rb8 27.Rb8 Nb8 28.h4 Nd7 29.Ke3 Ne6 30.d4 Nb6 31.Kd3 g5 32.h5 Na4 33.e5 c5 34.d5 Nd4 35.Be4 Kf8 36.Kc4 Ke7 37.d6? Kd7 38.a3?? a6 39.Bd3? Nf3 40.Bf5? Kd8-+ 41.Kb3? Nb6 42.Be4 Nd2 (42...Nd2 43.Kc3 Ne4 44.Kb3 Nd2 45.Kc3 Ndc4-+) 0–1. mic (2130) – chesspal (2435), net–chess.com, 2008.

6.Bc3 Nc6 7.Bg2 Re8 8.a3 Bc5 9.0-0 Bf5 10.e3 d5 11.d4 Bd6 12.Nh4 Bg4 13.f3 Bd7 14.Qd3=+ Ne7 15.Nd2?? g5-+ 16.Kh1 gh4 17.gh4 Nf5 18.e4 Nh5 19.Qe2 Qh4 (19...Qh4 20.Bh3 Nfg3 21.Kg1 Ne2 22.Kh1 Bh2 23.Rg1 Bg3 24.Rg3 Qg3 25.Bd7 Nhf4 26.Be8 Qg2#) 0–1. mic (2130) – bigart (2485), net–chess.com, 2008.

5.g3 Re8

6.Bb2 d5 7.Bg2 Nc6 8.0-0 Bf5 9.d3 Qe7 10.Nd4 (10.e3!?=+) 10...Nd4-/+ 11.Bd4 c6 (11...Bg4 12.f3 Bh5 13.g4-/+) 12.c3=+ Bd6 13.Re1 Bg4 14.f3 (14.h3 Be6=+ (worse 14...Be2 15.Qd2+=)) 14...Bh5 (14...Be6 15.e4 de4 16.fe4=+) 15.Nd2 Rad8 16.Nf1 (16.e4 c5 17.Be3 d4 18.cd4 cd4=+) 16...c5-/+ 17.Bf2 Qc7 18.g4 (18.Qc2 a6=+) 18...Bg6 19.h4 h5 (19...h6 20.Qa4-/+) 20.g5 Nd7 21.e4 de4 22.fe4 Ne5 23.d4 Ng4 24.e5? (better 24.Qf3-/+) 24...Be5!-+ 25.Qa4?? (25.de5 Rd1 Pinning (25...Rd1 Deflection; 25...Rd1 Clearance); 25.Re5 Ne5 Combination) 25...Bh2 26.Nh2 Qh2 27.Kf1 Bd3 (27...Bd3 28.Re2 Re2 29.Rd1 Ne3 30.Be3 Qg2) 0-1. kianas (2060) - Leormebanco (2250), ChessWorld.net, 2012.

6.Bb2 d5 7.Bg2 Qe7 8.a4 (8.e3 Nbd7=+) 8...Nc6 (8...Nbd7 9.a5-/+) 9.Nc3 (9.e3 Na5-/+) 9...Na5 10.Na2 Bc5 11.e3 Nc4 (11...Nc4 12.Bc3 Ne4-/+). salmo – pierre, ChessHere.com, 2005.

6.Bg2 d5 7.0-0 Nbd7 8.Bb2 Bf8 9.d3 c5 10.Nbd2 Rb8 11.a4 b6 12.e3 Ba6 13.c4 Bb7 14.Qc2 Rc8 15.a5 dc4 16.dc4 (worse is 16.Nc4 b5 17.Ncd2 a6+=) 16...Ra8 17.Ra3 Qc7 18.Rfa1 Bc6 19.Bc3 Reb8 20.Rb1 Qb7 21.a6 (21.Qf5 Bd6+=) 21...Qc7= 22.e4 Bd6 23.Nh4 Be5 24.f4 Bc3 25.Rc3 Nf8 26.e5 Ne8 27.Bc6 Qc6 28.Nf5 Qc7 29.Ne4 Ne6 30.Rd3 g6 31.Nfd6 Nd6 32.ed6 Qc6 33.Re1 Nd4 34.Rd4 cd4 35.Qd3 Rc8 (35...b5 36.Qd4 Qc4+= (36...Qa6 37.Nf6 Kf8 38.Nd5+-)) 36.Qd4+/– Qc4?? (36...Rd8 37.Re3 Rf8 38.Nf6 Kh8 39.Nd7 Kg8+-) 37.Nf6+- Kf8 (37...Kh8 38.Re8 Kg7 39.Qc4 Rc4 40.Ra8 Kf6 41.d7 Rc1 42.Kf2+-) 38.Re8!! Re8 (38...Kg7 39.Qc4 Rc4 40.Ra8 Kf6+-) 39.Qc4 Rac8 40.d7 1–0. Gunawan,Ronny (2395) – Bilguun,Sumiya (2280), Jakarta INA, Indonesia Open, 2013.

6.Bg2 d5 7.0-0 Bf8 8.Re1 c5 9.d3 Nc6 10.Bf4 g6 11.Nbd2 (11.Qd2 Bg7=) 11...Bg7 (11...Nh5 12.c4 Nf4 13.gf4 dc4 14.Nc4+=) 12.Bg5 (better is 12.e4!?=) 12...h6-/+ 13.Bf6 Bf6 14.Rc1 (14.Rb1!? Nb4 15.e4 Na2 16.ed5 Re1 17.Qe1-/+) 14...Nb4-+ 15.Nb3 (15.a3 Na2 16.c4 Nc1 17.Qc1 dc4 18.Nc4 Bg7-+) 15...Na2 16.Ra1 Ba1 17.Qa1 Nb4 18.Qc1 Kh7 (18...Qb6 19.d4 c4 20.Nc5-+) 19.Qf4 (19.Nc5 Qd6 20.c3 Nc6-+) 19...Qe7 (19...Nc2 20.Rc1 Re2 21.Qf7 Kh8 22.Nh4=) 20.c3 Nc6 21.e4 de4 22.Re4 Be6 23.Bh3 (23.Qe3 c4! 24.dc4 Qf8-+) 23...f5 24.Re1 Qf8 25.Nbd2 g5 26.Ng5 hg5 27.Qg5 Rad8?? (better is 27...Bd7 28.Ne4 Qf7 29.Nf6 Qf6 30.Qf6 Re1 31.Kg2 Ne7-+) 28.Re6+= Re6 29.Bf5 Kh8 30.Be6 Qe7 31.Qh6 Qh7 32.Qf6 Qg7 33.Qf5 Rf8 34.Qc5+- Qf6 35.Ne4 Qf3 36.g4?? Qd1= 37.Kg2 Qf3 38.Kf1?? Qd1 39.Kg2= Qf3 40.Kg1 Qd1 41.Kg2 Qf3 42.Kg1 Qd1 43.Kg2 Qf3 44.Kg1 Qd1 45.Kg2 Qf3 46.Kg1 Qd1 47.Kg2 Qf3 ½–½. Ileniak,Vasil – Finkelshtein,Evgenia (2115), Rodatychi op, 2006.

6.Bg2 d5 7.0-0 Bg4 8.Bb2 Nbd7 9.d3 Qe7 10.a3 Ba5 11.h3 Bh5 (11...Bf3 12.Bf3 Qe6 13.Kg2 Rad8 14.Nd2 Ne5 15.Nb3 Bb6 16.Be5 Qe5 17.d4+=; 11...Be6 12.Nbd2 c6 13.Nb3 Bc7 14.Nbd4 c5 15.Ne6 Qe6 16.Rb1 Rab8 17.e4=) 12.e3 (12.g4 Bg6 13.Nh4 c6 14.Ng6 fg6 15.e3 Nc5 16.Bd4 Ne6 17.Bb2+=) 12...Rad8 (12...c6 13.Nbd2 b5 14.c4 Nc5 15.cb5 Bd2 16.g4 Bg6 17.Nd2+=) 13.Nbd2 (13.g4 Bg6 14.Nbd2 c6 15.Rb1 h6 16.Nh4 Bh7 17.Nb3+=) 13...Nc5 (13...c6 14.Nb3 (14.Rb1 b5 15.g4 Bg6 16.g5 Nh5 17.Nb3+=) 14...Bc7 15.Qd2+= Bf3 16.Bf3 Be5 17.Rfb1+=) 14.a4 (14.g4 Bg6+= 15.Nb3 Nb3 16.cb3 c6 17.Qc2=; 14.Nb3 Bb6 15.g4 Bg6 16.Nc5 Bc5 17.Nh4=) 14...Nfe4+= 15.g4 (15.Nb1 Ng5 16.g4 Nf3 17.Qf3+=) 15...Nd2 16.Nd2 Bg6 17.Ba3 Bd2 18.Qd2 d4?? (better is 18...Rd7+=) 19.Qb4 (19.ed4!? Rd4 20.Rfe1 Be4+-) 19...b6 (19...de3 20.Qc5 Qc5 21.Bc5 ef2 22.Kf2+-) 20.ed4 a5 21.Qc4 (21.Qc4 Qe6 22.dc5 Qc4 23.dc4+-) 1–0. Bach,Mat (2270) – Hamblok,R (2130), 12th HZ Open, Vlissingen NED, 2008.

6.Bg2 d6 7.Bb2 Be6 8.0-0 Nbd7 9.d3 c6 10.Nbd2 Nd5 (10...Qe7 11.a3 Bc5 12.c4=+) 11.Ne4= N7f6 (11...Bf5 12.Nd4 Bg6 13.a3+=) 12.Nf6 (better 12.c4!? Nb6 13.Nf6 gf6 14.a3+/-) 12...Nf6= (worse 12...gf6 13.c4 Nb6 14.a3+/-) 13.e4 Ng4 14.d4? (better 14.c4=) 14...Bc4-+ 15.Re1 White prepares e5 15...Be1 16.Ne1 Nf6 17.f3 d5 18.e5 Nd7 19.f4 Qe7 20.Qg4 (20.Qf3 f6-+) 20...g6 (20...Qb4 21.Rb1 Ba2 22.Nd3-+) 21.f5 (21.a3 Nf6! 22.Qf3 Ne4-+) 21...h5 (better 21...Qb4!? 22.fg6 fg6 (22...Qb2?! 23.gf7 Kf7 24.Qd7 Re7 25.Qf5 Kg8 26.Rd1-/+) 23.Qd7 Qb2-+) 22.Qf4 g5 23.Qf3 g4 24.Qf4 Kh7 25.f6 Qe6?? (25...Nf6 26.Qg5=+) 26.Qg5 (better 26.Be4 de4 27.Qg5 Nf6 28.ef6 Qf6 29.Qf6+-) 26...Nf6-/+ 27.ef6 Qe3 28.Qe3 Re3 29.Bf1 Bf1 30.Kf1 Rae8 31.Ng2 (31.Rc1 R8e6-/+) 31...Re2 (better 31...Rf3!? 32.Kg1 Re2-+ (32...Rf6?! 33.Nf4-/+)) 32.Re1 (32.Rc1 R2e6=+) 32...Re1-/+ 33.Ne1 Kg6 34.Kf2 Kf6 35.c4 (35.Bc1 Kf5-/+) 35...Ke6 (35...dc4 36.d5 Kf5 37.dc6 bc6-+) 36.Nd3? (36.c5 Kf5-/+) 36...Kf5 (better 36...dc4 37.Nf4 Kf5-+) 37.c5-/+ a5 (37...Re7 38.Bc3-/+) 38.Nf4 (38.a4!?=+) 38...h4-/+ 39.Ng2 hg3 40.hg3 Rh8 (40...Ke4 41.Nf4-/+) 41.Ne3=+ Kg5 42.Kg2 f5 43.Bc1 Kg6 44.a4 Re8 45.Kf2 Re4 46.Nc2 Re8 47.Bd2 Ra8 48.Na1 b5?? (better 48...Rh8 49.Nb3 Rh2 50.Kg1 Re2=) 49.cb6+- Kf6 (49...Rb8 50.Ba5 f4+-) 50.Nb3 Ra6 (50...Rb8 51.Nc5 Rb6 52.Nd7 Ke6 53.Nb6+-) 51.Nc5 Ra8 52.b7 (52.b7 Rh8 53.Nd7 Ke6 54.b8Q Rb8 55.Nb8+-) 1-0. bobby fissure (2220) - Bopeep (1845), ChessWorld.net, 2012.

6.Bg2 d6 7.Bb2 Bf5 8.0-0 Nc6 9.c3 Ba5 10.d4 Ne7 11.Nbd2 Ned5 12.Rc1 b5 13.Nb3 Ne4?? c3 draws heavy fire (better is 13...Bb6+=) 14.Na5+- Bd7 (14...c5 15.dc5 dc5 16.Nb7+-) 15.Nd2 Nef6 (15...Ndf6 16.Ne4 Ne4 17.c4+-) 16.e4 Nb6 17.Re1 Bg4 18.Qb3 Qd7 19.e5 (19.e5 Be6 20.Qa3+- (20.ef6?! Bb3 21.Ba8 Bd5 22.Bd5 Nd5+-)) 1–0. vlladimir (1750) – stameni, gameknot.com, 2014.

6.Bg2 Qe7 +=.

6.Bg2 Nc6

7.Bb2 (--> 4.Nf3 Nc6 5.Bb2 0-0 6.g3 Re8 7.Bg2).

7.Bf6 gf6?! 8.0-0 =.

7.Bf6 Qf6-/+ 8.c3 Ba5 9.0-0-/+ d5 (9...b5 10.e3-/+) 10.d4 (10.Na3 Bf5+=) 10...Bg4 (10...Bf5 11.Qd2-/+) 11.h3 (11.h3 Bf5 12.Re1-/+). Sixty4 – BorEl, playchess.de, 2001.

7.Bf6 Qf6 8.c3 Rb8 9.0-0 -/+.

7.Bf6 Qf6-/+ 8.c3 d5 9.0-0 -/+.

7.Bf6 Qf6 8.c3 d6 9.0-0 Bd7 (9...Bf5 10.a4-/+) 10.d4 Ba5 11.d5 Nd8 (11...Ne7 12.Qb3-/+) 12.Nd4 c5 13.dc6 Nc6 14.e3 Nd4 (14...Re5 15.Nb3 Bf5 16.Qd2+=) 15.cd4 Bb5 16.Bb7 (16.Na3!? Bf1 17.Qf1+=) 16...Rab8-/+ 17.Bc6?? (better is 17.Bd5 Qf5 18.Bb3-+) 17...Bc6-+ 18.a4 (18.Na3 Bf3 19.Qd3 Be4-+) 18...Bf3 19.Qd3 Be4 (better is 19...Qe6!? 20.Rd1 Rb2 21.Rc1-+) 20.Qd1 Bf3 21.Qd3 Qe6 22.Nd2 (22.Rc1 Rb3 23.Qf1-+) 22...Bd2 23.Qd2 (23.Rfd1 Rb3 24.Qf1 Bd1 25.Rd1-+) 23...Qh3 24.Rfb1 Qg2 0–1. ummi (1640) – ulvito (1625), gameknot.com, 2010.

5.g4 Nc6

6.Bb2 Ng4 7.Rg1 Nf6 8.e3 d5 9.Bd3 Re8 10.Nc3 (better 10.a3!? Bd6 11.Nc3-+) 10...d4-+ 11.Ne2 (11.Nb5 de3 12.fe3 Re3 13.Be2-+) 11...Bc5 (11...de3!? 12.fe3 Re3 13.Ng5-+) 12.Kf1 (12.Bb5!? de3 13.de3 Bb4 14.c3-/+) 12...Bh3-+ 13.Ke1 Bg4 14.Rg3 (14.Nf4 Bd6 15.h3 Bd7-+) 14...Bd6 15.Rg4 Ng4 16.Ned4 Nd4 (16...Bh2?! 17.Nc6 bc6 18.Nh2 Nh2 19.Qh5=) 17.Nd4 (17.Bd4 c5 18.Bc3 a6-+ (18...Nh2?! 19.Nh2 c4 20.Qg4=)) 17...Qh4 18.Qf3 Ne5 (18...Bh2?! 19.Nf5 Qg5 20.Qg2-/+) 19.Qg2 Nd3 20.cd3 Be5?? (better 20...Qh2 21.Qb7 Rab8-+) 21.Ke2?? (better 21.Nf3 Bb2 22.Nh4 Ba1 23.Qb7+=) 21...Bd4-+ 22.Bd4 (22.Bc3 Qh5 23.Qf3 Qc5-+) 22...Qd4 23.Rg1 (23.Rc1 Rad8 24.Rc3 c6-+) 23...Qf6 (better 23...Rad8 24.Kd1 Qb2 25.Ke2-+) 24.Qb7 c5 25.Qd5 Rac8 26.Qc4 (26.Qg5 Qb2-+) 26...Red8 27.Rg4 Rd6 28.Rf4 (28.Qc3 Qh6-+) 28...Qe6 (28...Qg6 29.Qe4 Qh5 30.Qf3 Qf3 31.Rf3-+ (31.Kf3?? Rd3 32.Rc4 Rd2-+)) 29.Qc3 (29.Qe6 fe6 30.Rc4 e5-+) 29...Qa2 (29...Rcd8 30.Re4 Qa2 31.Rg4-+) 30.Rc4 a5 (30...Qa6 31.Rg4 Rf6 32.Qc4-+) 31.d4 (31.Rc5 Rc5 32.Qc5 Qd5-+) 31...Rdc6 (31...Rb8 32.Rc5 Qe6 33.Ra5 Qg4 34.Kd3-+) 32.d5 (32.Rc5 Rc5 33.dc5 a4-+) 32...R6c7 (32...Rd6 33.e4 Re8 34.f3-+) 33.e4 (33.d6 Rc6 34.d7 Rd8 35.Rc5 Rc5 36.Qc5 Qa4-+) 33...a4 34.Qc2 Qc2 35.Rc2 c4 36.Ra2 c3 (better 36...Ra7!? 37.Ra3-+) 37.dc3 Rc3 (37...Rc4 38.f3-+) 38.Ra4 Rc2 (38...f5 39.ef5 Rh3 40.Kd2-+) 39.Ke3 R8c3 40.Kd4 g6 41.Rb4 (41.d6 Rf3-+) 41...Rc1 (41...Rf3!? 42.h4-+) 42.Ke5 R3c2 43.d6 (43.f4 Rf1 44.h3 Rc8-+) 43...Kg7 (better 43...Rd1 44.Rb5-+) 44.Rd4 Rd2?? (better 44...Rc5 45.Kf4 g5 46.Kf3 Rc8-+) 45.Rd2+- Rc8 46.Rd5 (46.d7 Rd8+-) 46...Rd8 (46...Re8 47.Kd4 Kf8+-) 47.d7 Kf8 (47...f5 48.f3 Kf7 49.Kd6+-) 48.Kd6 (better 48.Kf6 Rd7 49.Rd7+-) 48...Rd7 49.Kd7 Kg7 50.Kd6 (better 50.Ke8 f6 51.Rd7 Kh6 52.Rh7 Kg5 53.Kf7+-) 50...f5 (50...Kf8+-) 51.e5 Kf7 52.e6 Kf6 53.e7 Kg5 (53...Kg7 54.e8Q Kh6 55.Qe7 Kh5 56.Rd4 f4 57.Rf4 h6 58.Rh4) 54.Kd7 (54.e8Q Kh4 55.Qe7 Kg4 56.Rd3 f4 57.h3 Kh5 58.Rd5 g5 59.Qg5) 54...Kg4 55.e8Q f4 (55...g5 56.Qe5 h6 57.Qf5 Kh5 58.Rd6 Kh4 59.Rh6) 56.Qe5 g5 (56...Kf3 57.Rd3 Kg2 58.Qe4 Kh2 59.Qf4 Kg2 60.Rd1 h5 61.Qg3) 57.Rd4 (57.f3 Kh3 58.Qg5 h5 59.Rd2 h4 60.Qf5) 57...Kf3 58.Qe4 Kg4 59.Qf5! Kh4 (59...Kf5 60.f3 Combination) 60.Qh7 Kg4 61.Qg6 (61.Rd3 f3 62.Rd4) 61...Kf3 62.Rf4! Ke2 (62...Kf4 63.Qf6 Double attack; 62...gf4 63.Qf5 Decoy) 63.Qg5 Kf1 (63...Kd3 64.Qd5 Ke2 65.Rc4 Kf1 66.Qf3 Ke1 67.Rc1 Kd2 68.Qe3) 64.h3 (64.h3 Ke1 65.Re4 Kf1 66.h4 Kf2 67.Qf4 Kg2 68.Re2 Kh3 69.Rh2; 64.Re4 Kf2 65.Qd2 Kf3 66.Qe2) 1-0. Banjovi (2395) - Tellofant (2315), Rated Bullet game, lichess.org, 2018.

6.Bf6 Qf6 (6...gf6?! 7.c3 Be7 8.h3+=) 7.c3 Be7-/+.

4...c5

5.Bb2 d5 6.e3 0-0 7.Be2 Nc6 8.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2 Nc6 8.0-0).

5.c3 Ba5 6.Qa4 Nc6 7.Bd6 b6?? (better 7...Bc7 8.Bc5 d6=) 8.Na3+- a6 (better 8...Ba6+-) 9.Nc4?? (better 9.Qf4 Nd5 10.Qe4 Nde7 11.Nc4+-) 9...b5-+ 10.Qa3? (better 10.Qb3 bc4 11.Qc4-+) 10...bc4 11.Qc5 Ne4 12.Qe3 (12.Qd5 Nd6 13.Qd6 Qc7-+) 12...f5 13.Nd4 Bb6 (better 13...Qb6!? 14.Nc6 Qc6 15.Be5-+) 14.f3 Nd4 15.cd4 Qf6 16.Be5 (16.fe4 Qd6 17.ef5 Kf7-+) 16...Qe5! 17.de5 Be3 18.de3 Nc5 19.Rc1 (19.Rg1 0-0-+) 19...Bb7 (better 19...d5!? 20.ed6 Be6 21.g4 fg4 22.h3-+) 20.Rc4 Rc8 21.g3 (21.g4 0-0 22.Rg1 Bd5-+) 21...Ke7 (21...Bd5 22.Rc3 Ke7 23.Rg1-+) 22.Bh3 (22.g4 fg4 23.Rg4 Ne6-+) 22...g6 (better 22...Ke6-+) 23.Kf2? (23.0-0-+) 23...Ne4! 24.Re4 (24.fe4 d5 Double attack (24...Rc4 Discovered attack; 24...d5 Decoy)) 24...fe4 (24...Be4?! 25.fe4 fe4 26.Rd1 Rhf8 27.Ke1-/+) 25.Rd1 Rhd8 26.Rb1 (26.Rd2 Rc3-+) 26...Bc6 27.Rb6 (27.Rb2 Rb8 28.Rd2 Rb1-+) 27...Bb5 (better 27...Rb8!? 28.Rb8 Rb8 29.f4-+) 28.a4 Ba4 (28...Rc6 29.Rb7 Ba4 30.Rb4-+) 29.Ra6 Bc6 30.Ra7 (30.Ra2 Ra8 31.Rb2 ef3 32.ef3 Ra5-+) 30...Ra8 31.Rc7 (31.Ra8 Ra8 32.f4 Ra2-+) 31...Rdc8 (better 31...ef3 32.e4 fe2 33.Ke2-+) 32.Rc8 Rc8 33.f4 Ra8 34.Bg4 Ra2 35.h4 (35.Bh3 Bb5 36.Bf1 d6 37.ed6 Kd6-+) 35...Bb5 36.h5 d6 37.h6 (37.ed6 Kd6 38.hg6 hg6 39.Ke1-+) 37...de5 38.fe5 (38.Kf1 Bd7 39.Bd7 Kd7-+) 38...Bc4 39.Ke1 Ra5 (better 39...Be6 40.Bf3 ef3 41.ef3-+) 40.e6 (40.Bh3-+) 40…Be6 (40...Be6 41.Bf3 ef3 42.ef3 Ra2-+) 0-1. easydizzy (2145) - ourson37 (2135), Rated Blitz game, lichess.org, 2016.

5.Nc3 Bc3 6.Bc3 0-0 7.e3=.

5.Nc3 Nc6 6.Nb5+= Ne5 7.Nd6 Ke7 8.Ne5 (worse 8.Nc8 Ke6 9.c3 Nf3 10.gf3 Rc8 11.cb4 c4=) 8...Qc7 (8...Rf8 9.Nec4 Ne8 10.Nc8 Rc8 11.e4+/-) 9.Nec4 (9.Nef7 Rf8 10.c3 Ba5+=) 9...b5 10.Nb5 Qf4? (better 10...Qc6 11.Nbd6 Ne4 12.Ne4 Qe4+=) 11.e3+- Qg5 (better 11...Qb8 12.Nbd6 Ne8 13.Ne8 Re8+-) 12.h4 Qg6 13.c3 Ba5 (13...Ba6 14.a4+- (14.cb4?! Bb5 15.Qb3 Rab8+/-)) 14.Na5 1-0. Knight286 (2100) - Lich2016 (2100), Rated Blitz game, lichess.org, 2016.

5.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 c5).

5.e3 Nc6

6.Bb2 d5 7.Be2 d4 8.0-0 0-0 9.c3 dc3 10.Nc3 Bf5 11.d4 cd4 12.Nd4 Nd4 13.Qd4 Qd4 14.ed4 Rac8 15.Rac1 Rfd8 16.Nb5 (better 16.Rfd1!?=) 16...a6-/+ 17.Na3 b5 (17...Rc1 18.Rc1 Ba3 19.Ba3 Rd4-/+) 18.f3 (18.Nb1!?=+) 18...Nd5 19.Kf2 (19.Rc8 Rc8 20.Kf2 Ba3 21.Ba3 b4-+) 19...Bd2 (19...Nc3!? 20.g4 Be6 21.Nc2 Ne2 22.Ke2 Bc4 23.Kf2-+) 20.Rc8-/+ Rc8 21.g4 (21.Rd1 Be3 22.Ke1 Bg1-/+) 21...Bg6 22.h4 h6 (22...Be3!? 23.Ke1-+) 23.Rd1 Be3 24.Kg3 Bf4 25.Kf2 Kf8 26.Bd3? (26.h5 Bh7-/+) 26...Be3?? (26...Bd3 27.Rd3 b4 28.Kg1-+) 27.Kg3? (better 27.Ke2-/+) 27...Bf4 28.Kf2 Bd3 29.Rd3 Ke7 (29...b4 30.Kg1-+) 30.Rd1 Kd6 (30...Be3 31.Ke2 b4 32.Kd3 ba3 33.Ba3 Kd7 34.Bc5-+) 31.Re1 b4 (31...Nb4 32.Re2 Nd3 33.Kg1-+) 32.Nb1 Rc2 33.Re2 Bg3! 34.Kf1 (34.Kg3 Re2 Deflection) 34...Re2 (better 34...Ne3! 35.Re3 Rb2-+) 35.Ke2-/+ Bh4 36.Nd2 Kd7 (36...Nf4 37.Ke3 Kd5 38.Ne4-+) 37.Nc4 (37.Nb3 Be7-/+) 37...Bf6 38.Kd3 Nf4 (38...g6 39.Ke4 Ke6 40.f4 Nc3 41.Bc3 bc3 42.f5 gf5 43.gf5 Kd7 44.Kd3-/+) 39.Ke4 Ne2 Attacking the isolated pawn on d4 40.Kd3 Nc3 (40...Ng1!? 41.Ke3 Nh3-/+) 41.Bc3= bc3 42.Kc3 g6 43.Kd3 h5 44.Nb6 (44.Nd2 h4=+) 44...Kc6-/+ 45.Nc4 (45.gh5 Kb6 46.h6 Kc6-/+) 45...h4 46.Ne3 h3 47.Nf1 Kd5 48.f4 (48.Ne3 Ke6 49.Nf1 Bg5-+) 48...Bd4 49.Ke2? (49.g5 Bc5-+) 49...Bg1 (better 49...Ke4 50.f5 Kf4-+) 50.Kf3 h2 51.Nh2? (51.Ng3-+) 51...Bh2 52.f5 Be5 (52...gf5 53.gf5 Kc4 54.Ke4-+) 53.fg6 fg6 54.g5 (54.Ke3 Bf6-+) 54...Bd6 55.a4 1-0. NoLuckOnlySkill (2130) - babbilator (2315), Rated Blitz game, lichess.org, 2016.

6.Bb2 d5 7.Be2 d4 8.0-0 0-0 9.ed4 (9.Bb5 Bg4=) 9...cd4=+ 10.Bd3 (10.Re1 Qb6=+) 10...Bg4 11.h3 Bh5 12.g4 Bg6 13.Bg6 hg6 (13...fg6 14.c3 dc3 15.dc3=+) 14.d3 (14.Re1 Bc5=+) 14...Qd5 15.Nbd2 (15.a3 Bc5=+) 15...Bd2 (15...Rfe8 16.a3 Bd2 17.Nd2=+) 16.Nd2=+ Rfe8 17.Re1 Re1 18.Qe1 Re8 19.Qf1 Qc5 20.Nf3 Qc2 21.Bd4 Nd5 22.Rb1 (22.Re1 Re1 23.Qe1 Nc7-/+ (23...Qd3?? 24.Qe8 Kh7 25.Ng5 Kh6 26.Nf7 Kh7 27.Qh8)) 22...Nd4 (22...Nf4 23.Re1 Re1 24.Ne1 Qa2 25.Be3 Ne2 26.Kg2-/+) 23.Nd4 Qc5 24.Nb3 Qd6 (24...Qe7 25.Rc1-/+) 25.Re1 Rd8 26.d4 Nf4 27.Re3 (27.Re4 b6=+) 27...g5 (27...Qc6 28.Re7=+) 28.Qe1 (28.Qb5 Qg6=) 28...Kh7 (28...Qc6 29.Qf1-/+) 29.Qb1 g6 30.Qe4 Rd7 31.Qe5 (better 31.Nc5 Rc7 32.Nd3= (32.Nb7?? Rc1 33.Kh2 Qa6-+)) 31...Qa6 (31...Qc6!? 32.Qe4 Qe4 33.Re4 Nh3 34.Kg2 Nf4 35.Kf3 Rc7=+) 32.Qg5 (32.Nc5 Qc6 33.Ne4+-) 32...Ne6? Exerts pressure on the isolated pawn (better 32...Ne2 33.Kh2 Nd4 (33...Qa2?? 34.Qh4 Kg7 35.Re8 f6 36.Qh8 Kf7 37.Qf8) 34.Nd4 Rd4=) 33.Qh4+- Kg7 34.Qg3?? (better 34.Nc5 Qc6 35.g5+-) 34...Qa2 35.Qf3 (35.Qe5 Kg8=) 35...Qb1 (35...Nd4 36.Nd4 Qa1 37.Kg2 Qd4-/+ (37...Rd4?! 38.Qb7 Qa2 39.Qf3=)) 36.Kg2= Nd4 37.Nd4 Rd4 38.Qg3 (better 38.Rb3!? Qc1 39.Rb7=) 38...Qb6 39.Qe5 (39.Re7 Qc6 40.Kh2 Rd1-/+) 39...Qf6 40.Qf6 Kf6 41.f4 (better 41.Rf3!? Kg7 42.Ra3-+) 41...Rf4 42.Kg3 Rc4 43.Rf3 Kg5?? (43...Kg7 44.Rb3 b6 45.g5-+) 44.Re3?? (better 44.h4 Kh6 45.Rf7=) 44...Kh6 (better 44...f5!? 45.h4 Kf6 46.gf5 gf5 47.Rb3-+) 45.Re5 1-0. NoLuckOnlySkill (2120) - babbilator (2325), Rated Blitz game, lichess.org, 2016.

4...Nc6

5.a3 Be7 6.Bb2 d5 7.e3 0-0 8.c4 Bf5 9.cd5 Nd5 10.Bc4 Nb6 11.Bb3 a5 12.Nc3 Bd3-/+ 0–1. coloplayah (2175) – phishhead (2030), net–chess.com, 2006.

5.Bb2 d5 6.a3 Be7 7.e3 0-0 (---> 5.Bb2 0-0 6.a3 Be7 7.e3 d5).

5.c3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c3 Ba5 5.Nf3 Nc6).

5.Bc3 d6 6.e3 0-0 7.Bb4 Nb4 8.a3 Nc6 9.d4 Bf5 10.Bd3 Ne4 11.Nfd2 d5 12.0-0 =.

5.Bf4 Nd5 6.Bg5 f6 7.c3 (7.e4!? Qe7 8.Qe2=+) 7...fg5-/+ 8.Qb3 Nc3 9.Nc3 Qf6 10.a3 Ba5 11.Qc4 (11.Rb1 Bc3 12.Qc3 g4-/+) 11...d5! 12.Qd5?? (12.Nd5 Qa1) 12...Bc3 -+.

5.g3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.g3 Nc6 5.Nf3).

5.Bg3 d6 6.e3 0-0 7.c3 Ba5 8.d4 Re8 9.Qc2 Bg4 10.Nbd2 Bf3 11.gf3 Nd5 12.Ne4 f5?? 13.Bc4+/– Nce7 14.0-0 Kh8 15.Ng5+/– Qd7 16.e4 h6+/– 17.Nf7 Kg8 18.Nh6 gh6 19.Bd5 Nd5= 20.ed5 Qf7 21.Bf4 Qd5=+ 22.Qd3 h5 23.Rab1 Bb6 24.Rb5 c5 25.h4 Rf8 26.Kh2= Kh7 27.a4 Qc6 28.Rg1 c4?? 29.Rf5 (29.Rf5 Rf5 30.Qf5 Kh8 31.Qh5#) 1–0. Schmid,Peter (1990) – Brumme,Jan, Traum op, 2004.

5.a3 Ba5

6.Bb2 0-0 7.e3 d5 8.Be2 Bf5 9.0-0 Qd6 10.d3 Rae8 11.Nbd2 h6 (11...Bb6 12.Nb3=) 12.Nb3 Bb6 13.a4 a5 (better 13...Na5!?=) 14.Ba3+/- Qd7 15.Bf8 Kf8 16.Nfd4 Nd4 17.ed4 Qe7 18.Bf3 Qb4 19.Re1 Be6 20.Qb1 Bd4 (20...Bd7!?+=) 21.Nd4+- Qd4 22.Qb7 Qc3 23.Qb5 (23.Rac1 c5+/-) 23...Bd7 (23...Bg4 24.Re8 Ne8 25.Rb1 Bf3 26.gf3+/-) 24.Re8 Be8 25.Qb1 d4 26.Qa2 Nd7 27.Qa3 Qa3 28.Ra3 Nb6 29.c3 c5 30.Bd1 (30.cd4 cd4 31.Rb3 Na4+/-) 30...g5 31.f3 Ke7 32.Kf2 Kd6 33.cd4 cd4 34.Bb3 f5 35.g3 (35.Ra1 Bc6+/-) 35...Kc5 36.Bd1 (36.Ra1 f4+/-) 36...Bf7 (better 36...Nd5=) 37.Bb3?? (better 37.Ra1+/-) 37...Kb4-/+ 38.Bf7 Ka3 39.f4 gf4 (39...Na4?! 40.fg5 hg5 41.h4 gh4 42.gh4-/+; 39...Ka4?! 40.fg5 hg5 41.Be6=) 40.gf4 Na4 41.Be6 (41.Bg6 Nc5 42.Bf5 a4-+) 41...Nc5 42.Bf5 Kb4 (better 42...a4 43.Bh3-+) 43.Be4? (43.Ke2 Kc3 44.Bh7 a4-+) 43...a4 (43...Ne4 44.de4 d3 45.f5-+) 44.Bd5 Nd3 45.Kg3 Kc5 46.Bg8 (46.Ba2 Nb4 47.Bb1 a3-+) 46...Nb4 47.f5 a3 (better 47...Nd5 48.f6 Nf6 49.Ba2-+) 48.f6 Nd5 (better 48...Kd6 49.Kf4 d3-+) 49.f7+- a2 (49...Kb5 50.f8Q Ne3 51.Qa3+-) 50.f8Q Kc4 (50...Kb5 51.Qb8 Nb6 52.Ba2+-) 51.Qa8 1-0. WillWin (2390) - SitaiKuku (2345), Rated Classical game, lichess.org, 2016.

6.Bb2 d5 7.e3 0-0 8.Be2 Re8 9.0-0 Bg4 10.d3 Qe7 11.Nbd2 Rad8 12.Nb3 Bb6 13.a4 a5 14.Nfd4 Be2 15.Qe2 Ne5 16.Nf3 Ng6 17.Qd2 Ng4 18.h3 N4e5 19.Ne5 Ne5 20.Na5 c6 21.Be5 Qe5 22.Nb7 Rb8 23.d4 Qe7 24.Na5 Ba5 25.Qa5 Rb2 26.Qc3 Reb8 27.Qc6 Qe4 28.c4 Rd8 29.a5 Qf5 30.a6 Rbb8 31.cd5 Qd5 32.Qd5 Rd5 33.a7 Ra8 34.Rab1 Rdd8 35.Rb7 g6 36.Rfb1 Kg7 37.Rb8 Rc8 38.Rc8 Rc8 39.Rb8 1–0. phildo (1885) – ben13 (1845), gameknot.com, 2013.

6.Bb2 d6 7.e3 Bg4 8.Be2 0-0 9.0-0 Re8 10.h3 Bh5 11.d3 Ne5 12.Nbd2 Bb6 13.Ne5 Be2 14.Qe2 de5 15.Nc4 Qd5 16.e4 Qc5 17.a4 c6 18.Rab1 Qe7 19.Be5 Nd7 20.Bg3 Nf6 21.Nd6 Red8 22.a5 Bc7 23.Nf5 Qd7 24.Rb7 Rac8 25.Ra7 g6 26.Nh6 Kg7 27.Be5 Kh6 28.Bf6 g5 29.Bd8 Qd8 30.h4 Qd6 31.hg5 Kg5 32.f4 1–0. phildo (1835) – sdr46 (1790), gameknot.com, 2013.

6.Bc3 Bb6 7.d3 d5 8.e3 0-0 9.Be2 d4-/+ 10.Bd2? de3-+ 11.fe3 Re8 12.0-0 Ng4 13.d4 Ne3 14.Be3 Re3 15.c3 Bg4 16.Nbd2? Rc3 17.Kh1 Bf3 18.Rf3 Rf3 19.Nf3 Nd4 20.Nd4 Qd4 21.Qf1 Qf6 22.Qc1? Re8 23.Bf3 c6 24.a4 Qe5 25.Qf1 Bc7 26.Qg1 Re6 27.Rd1 g5 28.Bg4 f5 29.Bh5 Rh6 30.Re1 Qd6 31.Re8 Kg7 32.Qa1 Rf6 33.g3 Qd5 34.Kg1 Bb6 35.Kf1 Qh1 36.Ke2 Qa1 37.Re7 Kg8 38.Rb7 Re6 (38...Re6 39.Kd3 Qb1 40.Kc4 Qc2 41.Kb4 a5 42.Ka3 Re3; 38...Qb2 39.Ke1 Re6 40.Kd1 Rd6 41.Ke1 Qf2) 0–1. Rudolf – almanjo, internet, 2007.

6.Bc3 Bb6 7.e3 d5 8.d4 Ne4 9.Be2 Nc3 10.Nc3 0-0 11.0-0 a6 12.Bd3 Ne7 13.Ne2 Bg4 14.Ne5 Bh5 15.g3?? (better 15.c4=) 15...f6-+ 16.g4 fe5 17.gh5 e4 18.Be4 de4 19.Ng3 Qd5 20.Qg4 Nf5 21.c4 Nh6 22.Qe4 Qc4 23.Qb7 Rab8 24.Qe4 Rbe8 25.Qg2 Nf5 26.Rfc1 Qf7 27.Nf5 (27.Qf3-+) 27...Qf5 28.h6 Re7 29.Rab1? (29.Rc4-+) 29...Rf6 30.Kh1 Qf2 (30...Rh6 31.Rg1-+) 31.Qa8? (31.Qd5 Rfe6 32.Rf1-+) 31...Rf8 32.Qd5 Qf7 33.Qf7 Rff7 34.Rb3 Rf3 35.Rg1 g6 36.Rg3 Rg3 37.hg3 Kf7 38.Kg2 Kf6 39.Kf3 Kg5 40.Rb4 a5 41.Rb5 Kh6 42.g4 Kg7 43.a4 h6 44.Rb1 g5 45.Rb5 Rd7 46.Rb2 Kg6 47.Rb5 h5 48.gh5 Kh5 49.Rf5 Kh4 50.Rf6 Rh7 (better 50...g4 51.Kg2 Rd6-+) 51.Rh6 (51.Rg6-+) 51...Rh6 52.Ke4 (52.e4 g4 53.Ke3 g3 54.e5 g2 55.Kd3 g1Q 56.d5 Kg5 57.e6 Qg2 58.e7 Rh3 59.Kc4 Qe2) 52...g4 53.Kd3 (53.d5 g3 54.d6 g2 55.d7 Rd6 56.d8B Rd8 57.Kf5 g1Q 58.Kf6 Rf8 59.Ke6 Qe3 60.Kd5 Qc5 61.Ke4 Qd4) 53...g3 54.Ke2 (54.e4 g2 55.Kd2 g1Q 56.Kd3 Qd4 57.Kc2 Rc6 58.Kb3 Qd2 59.e5 Rc3) 54...g2 55.Kf2 (55.Ke1 g1Q 56.Ke2 Re6 57.e4 Qd4 58.e5 Re5 59.Kf3 Qg4) 55...Rg6 56.Kg1 (56.Kf3 g1Q 57.Ke4 Re6 58.Kd5 Qe3 59.Kc4 c6 60.d5 Re4) 56...Kh3 (56...Kg3 57.e4 Bd4) 57.e4 (57.Kf2 g1Q 58.Ke2 Rg3 59.Kd3 Qe3 60.Kc2 Rg2 61.Kb1 Qe1) 57...c6 (57...Bd4) 58.e5 (58.Kf2 g1Q 59.Kf3 Qd1 60.Kf4 Bd4 61.e5 Qg4) 58…Bd4 0-1. FrootyLoops (2365) - Chesspirate421 (2365), Rated Blitz game, lichess.org, 2015.

6.e3 Ne5 7.Ne5 0-0 8.Be2 d6 9.Nc4 Bb6 10.Nc3 Re8 11.0-0 d5 12.Nb6 ab6 13.Bf3 Ra5 14.d4 Ne4 15.Be4 de4 16.Qe2 Rg5 17.f4 ef3 18.Qf3 f6 19.Rae1 b5 20.h4 Rf5 21.Qg3 c6 22.Rb1 Rf1 23.Rf1 Qe7 0–1. phildo (1835) – menchy (2460), gameknot.com, 2013.

6.Bf6 Qf6 7.c3 0-0 8.e3 d5 9.Be2 Bb6 10.0-0 Bf5 11.d4 Rfe8 12.Nbd2 Ne7 13.a4 c6 14.Qb3 Rab8 15.a5 Bc7 16.c4 Be4 17.Rfc1 Ng6 18.Nf1 (18.cd5 Bd5 19.Bc4 Ne7=) 18...Nh4 (18...dc4 19.Qc4 Bd5 20.Qc2=) 19.Nh4= Qh4 20.f3 dc4 21.Bc4 Bg6 22.e4 Bf4?? (22...Qg5 23.Qb4=) 23.Rc2?? (23.g3!? Qg5 24.h4+/-) 23...Rbd8 (23...Qd8 24.Rd1=) 24.g3 (24.Qb7 Qf6 25.Rd1 Rd4 26.Rd4 Qd4 27.Kh1 Rd8+=) 24...Qg5 (24...Qf6 25.Qc3 Bc7 26.Rd1=) 25.Rg2 (25.Ra4 Bb8 26.Qb7 c5+/-) 25...Bb8 (25...Rd4 26.gf4 Qc5 27.Ne3 Rc4 28.Qc4 Qe3 29.Rf2 Qf4 30.Rb1=) 26.d5 (26.Qb7!? Rd4 27.Qc6+=) 26...Qf6 27.Rd1 Bh5 28.Rf2 a6 (28...Bd6 A) 29.Qb7? A1) 29...Bf3 30.Qa7 (30.dc6 Bc5 31.e5 Qf5 32.Rd8 Rd8 33.Qf7 Qf7 34.Bf7 Kf7-+) 30...Qc3 31.Rd3 Qc4 32.Rdf3+=; A2) 29...Bc5 30.Rdd2 A21) 30...Bf2?! 31.Rf2 Qd4 32.Qb3-/+ (32.Qc6? Rc8 33.Qa4 Qc4 34.Qc4 Rc4-+); A22) 30...Qf3-+; B) 29.Kg2=) 29.Kg2 (29.Qb7!? Re7 30.Qb3=) 29...Ba7 (29...cd5 30.Bd5 Bc7 31.Ra2=) 30.Rfd2+= cd5 (30...Rb8 31.Qa3=) 31.Bd5 (31.Rd5 Rd5 32.Rd5+/- (32.Bd5?! b5+=; 32.ed5?? Re3 33.Qe3 Be3-+)) 31...Rc8 (31...b5 32.ab6 Bb6 33.Ra2=) 32.g4 (32.Bb7?? Rc3 33.Qc3 Qc3-+) 32...Rc3 33.Qc3?? (33.e5 Qe5 34.Qb7+=) 33...Qc3-+ 34.gh5 Qa5 35.Bb7 Qh5 36.Rd7 Qc5 (36...Qb5 37.Ng3-+) 37.Kg3? (37.Ba6 Qf2 38.Kh3 Qf3 39.Ng3-+) 37...Qf2 38.Kg4?? (38.Kh3 Qf3 39.Ng3-+) 38...h5 (38...Qg2 39.Ng3 h5 40.Kf4 g5 41.Kf5 Qf3 42.Kg5 Be3 43.Kh4 Qg4) 39.Kh5 (39.Kh3 Qf3 40.Ng3 Qg4 41.Kg2-+) 39...Qf3 40.Kg5 (40.Kh4 g5! 41.Kg5 Re5 42.Kh6 Qf4) 40...Re5 41.Kh4 0-1. zembelek (2270) - Tethys (2220), Rated Classical tournament nzxCKOzR, lichess.org, 2016.

6.Bf6 Qf6 7.c3 d5 8.e3 0-0 9.Be2 Bf5 10.0-0 Rad8 11.Qc1 Ne7 12.d4 c6 13.Nbd2 Bc7 14.Re1 g5 (14...Rfe8 15.Qb2 b6 16.c4=+) 15.Nf1 Ng6 16.c4 g4 17.N3d2 Kg7? (better 17...dc4!? 18.Bc4 a6=) 18.cd5+/- Qd6 (18...Rfe8 19.dc6 Qc6 20.Qb2+/-) 19.dc6 bc6 (better 19...Qc6 20.e4! Bd7+/-) 20.Qc5 (better 20.Ng3 Be6 21.Nde4+-) 20...Qc5+= 21.dc5 Ba5 22.Red1 Bc2 (22...Bc3 23.Ra2+=) 23.Rdc1+/- (23.Bg4 Bd1 24.Rd1 Bd2 25.Nd2 Rd3=+) 23...Bf5 24.Nc4 Bc7 25.Ng3 Be6 26.Rd1 Rb8 (26...Bg3 27.hg3 Bc4 28.Bc4+/-) 27.Nd6 Rb2 (27...Rfd8 28.Rd2+/-) 28.Bf1 (28.Rab1!? Rb1 29.Rb1+-) 28...Rfb8 29.Nge4 (29.Bd3 Ne5 30.Be4 Kh8+/-) 29...f5 (29...Ne5 30.Rd4+=) 30.Ng5 (better 30.Ng3 Kf6 31.Bc4+/-) 30...Bd5?? (30...Bg8 31.e4 fe4 32.Nge4+=) 31.e4?? (better 31.Rd5 cd5 32.Ne6 Kf6 33.Nc7+-) 31...fe4 (31...Bd6 32.ed5 (32.cd6?! fe4 33.Re1 Rd8=) 32...Be7 33.Ne6 Kf6 34.Rac1 cd5 35.Nc7+=) 32.Nge4 (32.Rd5 cd5 33.Ne6 Kf6 34.Nc7 Ke5+/-) 32...Ne5 (32...Bd6 33.Nd6 Rf8 34.Rab1 Rff2 35.Rb2 Rb2 36.Rd4=) 33.Nc3 Be6 34.Re1 Kf6 35.Nce4 Kg7 (better 35...Ke7!?+=) 36.Ng5+- Kf6? (better 36...Bd6 37.cd6 Kf6 38.Nh7 Kf5+/-) 37.Ne6 (better 37.Nh7 Ke7 38.Re5 Bd6 39.cd6 Kd6 40.Rae1+-) 37...Ke6 (37...Bd6 38.cd6 Ke6 39.Re3+=) 38.Re4 Bd6 39.cd6 Rb1 40.Rb1 Rb1 41.d7 Rd1 42.f4 gf3 43.gf3 Kf6 44.Rf4 (44.f4 Ng6 45.Rc4=) 44...Ke6 (better 44...Kg6=) 45.Rh4?? (better 45.Kf2 Nd3 46.Bd3 Rd3 47.Re4 Kd7 48.Ra4+/-) 45...Nf3-+ 46.Kf2 Nh4 47.Bh3 Nf5 48.Kf3 (48.Bg2 Kd7 49.Be4 Ke6 50.Bc6 Rd2 51.Kg1 Ke5-+) 48...Rd7 49.Kf4 Rd4 50.Kg5 Ke5 51.Bf5 Rf4 (better 51...h6 52.Kg6 Rd6 53.Kf7 Kf5-+) 52.Bh7 Rf2 53.h4 Rg2 54.Kh6 Kf6 55.h5 Ra2 56.Bg6 Ra3 57.Kh7 (57.Be8 c5 58.Bb5 Rb3-+) 57...Rg3 (57...c5 58.Kh6-+) 58.Be8 c5 59.h6 (59.Bb5 Kg5-+) 59...c4 60.Kh8 (60.Bc6 Rh3-+) 60...c3 61.Ba4 Rh3 62.h7 (62.Kh7 a5 63.Bb3-+) 62...a5 (62...Rd3 63.Bb3 c2 64.Be6 c1Q 65.Bg8 Qg5 66.Bd5 Qg7) 63.Bb3 (63.Kg8-+) 63...Rh7 (63...c2 64.Bc4 c1Q 65.Ba6 Qc7 66.Kg8 Qd8) 64.Kh7-+ Ke5 65.Bc2 Kd4 66.Kg6 Kc4 67.Kf5 Kb4 68.Ke4 a4 69.Kd3 a3 70.Bb1 Kb3 71.Bc2 Kb2 72.Ba4 (72.Bb1 Kb1 73.Kc3 a2-+) 72…a2 0-1. zembelek (2125) - qqwow (2350), Rated Blitz game, lichess.org, 2016.

5.a3 Bc5

6.Bb2 0-0 7.e3 d6 8.c4 Bf5 9.Nc3 Qe7 10.Be2 Rad8 11.0-0 Rfe8 12.d3 d5 13.d4 (13.cd5 Nd5 14.Nd5 Rd5=) 13...Bb6 14.cd5 Nd5 15.Nd5 Rd5 16.Bc4 Red8 (16...Rd6 17.Rc1=) 17.Re1 (17.Bd5 Rd5 18.Nd2 Rb5+/-) 17...Bg4 (17...R5d6!?=) 18.h3 (18.Bd5 Rd5 19.h3 Bh5+/-) 18...Bh5 (18...Bf3 19.Qf3 R5d6+=) 19.Bd3 (better 19.Bd5!? Rd5 20.Bc3+/-) 19...a6 20.Qb3 (better 20.Bc3!?=) 20...Bf3-/+ 21.gf3 Qg5 (21...Qh4 22.Kf1-/+) 22.Kh2=+ Qh5 (22...Qh4 23.Qc2=+) 23.Be2 (23.Be4 Na5 24.Qc3 R5d6+=) 23...R5d6 (23...Qh4 24.Rg1=+) 24.Rg1= Rh6 25.Rg3 Ne7 26.e4 Ng6 (worse 26...Bd4 27.Bd4 Rd4 28.Qb7+/-; 26...Rd4? 27.Bd4 Bd4 28.Rd1+-) 27.Qe3 White intends e5 27...Ne7 (27...Qh4!?=) 28.f4+= White prepares e5 28...Qh4 29.Rg4 Qf6 d4 draws heavy fire 30.e5 (30.f5!?+=) 30...Qe6=+ 31.Rag1 Rg6 32.Rg6 hg6 33.Bg4 Qa2 34.Qc1 (34.Ba1 Nf5 35.Bf5 gf5=+) 34...Ba7?? (better 34...Nc6-/+) 35.Qc7+= (35.Qc7 Nc6 36.Qb7 Bd4 37.Bc1+=) 1-0. Purczynski,Andrzej - Lakowski,Filip, 26th Poznan Open POL, 2018.

6.Bb2 d5

7.e3 Bd7 8.Bb5 a6 9.Bc6 Bc6 10.Ne5 0-0 11.Nc6 bc6 12.Qf3 Rb8 13.Bf6 +=.

7.e3 Bf5 8.Bb5 a6 9.Bc6 bc6 10.Ne5 Qd6 11.d4 Ba7 12.Nd2 0-0 13.Bc3 Qe6 14.Rc1 Ng4 15.Rb1 Ne5 -+.

7.e3 Bf5 8.Nc3 0-0 9.Be2 Ne4 10.0-0 Nc3 11.Bc3 =+.

7.e3 Bf5 8.d4 Bd6 9.Bd3 Qc8 10.c4 dc4 11.Bf5 Qf5 12.Nbd2 b5 13.a4 0-0 14.ab5 =.

7.e3 Bf5 8.Be2 0-0 9.d4 Bd6 10.0-0 Ne4 11.c4 dc4 12.Bc4 Na5 13.Bd3 +=.

7.e3 0-0

8.d4 Bd6 9.Bd3 Re8 10.0-0 Bg4 11.c4 dc4 12.Bc4 Na5 13.Bd3 c5 14.Nbd2 cd4 15.Bd4 Rc8 16.Qb1 a6 17.a4 h6 +=.

8.d4 Bd6 9.Bd3 Re8 10.0-0 Bg4 11.c4 dc4 12.Bc4 Na5 13.Bd3 c5 14.Nbd2 cd4 15.Bd4 Rc8 16.Qb1 b6 17.Bf6 +/–.

8.Be2 Re8 9.0-0 Bd6 10.Re1 Be6 11.Nc3 a6 12.Rb1 Qe7 13.Ng5 Bf5 14.Qc1 d4 15.Nd1 Ng4 =+.

8.Be2 Bf5 9.0-0 Re8 =+.

8.Be2 Bf5 9.Nh4 Be6 10.Bb5 Re8 11.Nf3 a6 12.Bc6 bc6 13.Ne5 Qb8 14.Bc3 Qb5 15.a4 Qb6 16.a5 Qb7 17.Ra2 Rab8 18.Rb2 Qa8 19.0-0 Rb2 20.Bb2 Bd6 21.f4 Rb8 22.Ba1 Rb5 23.f5 Bc8 24.Bd4 c5 -/+.

5.a3 d6

6.ab4 Ne5 7.e3 Bg4 8.h3 Nf3 9.gf3 Be6 10.Nc3 0-0 11.Bg2 Re8 12.f4 d5 13.b5 d4 14.Ne4 Nd7 15.Ng5 +=.

5.a3 Ne5

6.Ne5 Ba5 7.Nc4? c6 8.Nd6= Kf8 9.Nc3 Qe7=+ 10.Nc8 Rc8 11.Rb1 d5 12.Rb3=+ g6 13.h3 Kg7 14.e3 d4 15.Ne2? de3 16.Re3-/+ Qd7 17.c3 Rhe8 18.Qa4 Bb6 19.d4 Nd5 20.Rf3-/+ Qd6 21.c4 Bd4 22.cd5= cd5?? 23.Qd4+- (23.Qd4 Kg8 24.Re3+- (24.Qa7 Qe5 25.Qa4 Rc1 26.Qd1 Rd1 27.Kd1 Qa1 28.Kd2 Qb2 29.Kd1 Rc8-+)) 1–0. mtra – Werthenstrasse, internet, 2002.

6.Ne5 Bc5 7.d4 Bb6 8.e3 d6 9.Bb5 c6 10.Nc6 bc6 11.Bc6 Bd7 12.Ba8 Qa8 13.0-0 d5 14.Nc3 0-0 15.Rb1 Qc6 16.Rb3 Qe6 17.Qd3= Qg4 18.f3 Qg5 19.e4 de4 20.Ne4 Ne4 21.fe4 Re8 22.c3 Bc6=+ 23.Qc4 Rf8?? 24.Qc6+- (24.Qc6 Qe3 25.Kh1 Bd4 26.Qd5+- (26.cd4?! Qb3 27.Qd6 Qd3+/–)) 1–0. mtra – oaf, internet, 2002.

6.ab4 Nf3

7.ef3 0-0 8.Be2 d5 9.0-0 a5 (9...Qd6 10.Nc3-/+) 10.ba5 c5 11.d3 (better 11.a6=) 11...c4 (11...Ra5!? 12.Nd2 Re8=+) 12.c3 (12.dc4!? Be6 13.Nc3+=) 12...Ra5 13.Nd2 (13.Ra5 Qa5 14.dc4 Re8=) 13...Ra1 14.Qa1 Be6 (14...b5 15.Re1=) 15.Re1 Kh8 (15...Qc7 16.dc4 dc4 17.Ne4=) 16.f4 (16.dc4 Kg8+=) 16...h6 (better 16...Qc7 17.g3 cd3 18.Bd3 Kg8=) 17.Ne4?? (17.Nf3 Qc7+=) 17...Bd7 (17...de4!? 18.dc4 Qc7 19.Rb1-+) 18.Bd1?? (18.Nf6 Qf6 19.g3 b5=) 18...Qa8?? (better 18...de4 19.de4 Bc6-+) 19.Qa5?? (19.Qa8 Ra8 20.Nf6 gf6 21.dc4 dc4=) 19...Rc8 (better 19...Qa5 20.Nf6 Qc3-+) 20.Qc5?? (better 20.Qa8 Ra8 21.Nf6 gf6 22.dc4 dc4 23.Bf3=) 20...Qa5 (better 20...Rc5 21.Nc5 Bc6-+) 21.Qa3 (better 21.Qa5 Re8 22.f3 de4 23.de4+-) 21…de4 (21...de4 22.Qa5 ed3+-) 0-1. GM_HUSARZ (2000) - TonyRo (2155), Rated Bullet tournament HUVwD3Il, lichess.org, 2015.

7.ef3 0-0 8.Be2 Qe7 9.b5 Re8 10.Nc3 d5 11.d4 Qb4 12.Qd2 Bd7 13.0-0? (better is 13.Rb1 Qa5 14.Rb3+=) 13...Re2!-+ 14.Qe2 (14.Ne2 Qd2 Double attack (14...Qd2 Pinning; 14...Qd2 Deflection; 14...Qd2 Decoy); 14.Qe2 Qc4 Double attack (14...Qc3 Deflection; 14...Qc4 Decoy; 14...Qc3 Overloading)) 14...Qc3 15.Rfd1 Ne8 16.Re1 Nd6 17.Qe7 (17.Rab1-+) 17...Re8 (17...Re8 18.Qe8 Be8-+) 0–1. jboger (2195) – cliff (2735), net–chess.com, 2013.

7.ef3 0-0 8.Be2 Qe7 9.c3 Re8 10.0-0?? Qe2-+ 11.Qe2 Re2 12.d4 d6 13.Na3 Nd5 14.c4 Nb4 15.Rad1 Bd7 16.Nb1 a5 17.Nc3 Rc2 18.Rc1 a4 (18...a4 19.Rb1 Nc6-+) 0–1. Tiedemann,Joern (1810) – Hohlstein,Walter (1955), RSX9E – A00 – Sokolsky–2, 2004.

7.ef3 d5 8.Bd3 0-0 9.0-0 Qd6 10.b5 a5 11.Re1 Be6 12.Nc3 Nd7 13.Bf1 d4 14.Ne4 Qe5 15.c3= dc3 16.dc3 Rfd8 17.Qc1 Nc5 18.Ng5 Qf5 19.Ne6 Ne6 20.Bc4 Rd6 21.Re4 b6 22.Qe3 Rad8 23.h3 Qf6 24.Re1 g6 25.Kh2 Ng7= 26.g4 Ne6 27.f4 Kg7 28.g5 Qf5 29.Kg3 h5 30.Kg2 Rd3=+ 31.Bd3 Rd3 32.Qd3 Nf4 33.Rf4 Qd3 34.Re7 Qd5 35.Kh2 Qc5 36.Ref7+= Kg8 37.R7f6 Kg7 38.h4 Qd5 39.c4 Qd7 40.Rc6 Qe7 41.Kg3 Qe5 42.Kf3 Qc3 43.Ke4 Qe1 44.Kd5 Qd1 45.Ke5 Qe1 46.Re4 Qc3 47.Ke6 Qf3 48.Rc7 Kf8 49.Rd4 Qf5 50.Kd6 Ke8 51.Rd5 Qf4 52.Re5 Kf8 53.Rce7 Qd4 54.Kc7 Qc4 55.Kb6 Qb4 56.Re8 (56.Re8 Kf7 57.R5e7 Qe7 58.Re7 Ke7 59.Ka5+-) 1–0. slogger – bicycle, ChessWorld.net, 2007.

7.gf3 0-0 8.Nc3 d5-/+ 9.e3 c6 10.b5 d4 11.Ne4 Ne4 12.fe4 cb5 13.Bb5 de3 14.de3 Qg5 15.Qe2 Bg4-+ 16.Rg1 Be2?? 17.Rg5= Bf3 18.Re5 Rfc8 19.Bd7 Rc2-/+ 20.Ra7 Rd8 21.Rb7 Re2 22.Kf1 Rd2 23.Rd5 Ra2 24.Rdb5 Kf8 25.Rb1 Be4 26.R1b4 Bb7 27.Rb7 Rda8 28.Bc6 R8a7 29.Rb5 Rd2 30.Bd5 Ra6 31.Bc4 (31.Bc4 Rf6 32.Rb8 Ke7 33.Rb7 Kd6 34.Be2-+; 31.Rb8 Ke7 32.Rb7 Kd8-+). Sawamura,Tetsushi – Yamaguchi,Masao, JPN op3 email, 2001.

7.gf3 d5 8.Ra5 0-0 9.Nc3 d4 10.Nb5 a6 11.Qa1 b6 12.Ra4? Bd7 -+.

7.gf3 d5 8.Rg1 0-0 9.b5 Qd6 10.h3 Qc5 11.e3 Re8 12.Nc3 (12.d4 Qe7=+) 12...d4-/+ 13.Na4 Qh5 14.f4 Qf5 15.Be2 Qh3 16.Ra3? (better is 16.Nc5-/+) 16...Qh2 -+.

7.gf3 d6 8.Rg1 (8.Nc3 0-0=+) 8...Nd5 (8...0-0 9.Nc3=+) 9.Nc3 (9.c4 Qf6 10.d4 Ne7=) 9...Nc3 10.dc3 0-0 11.Qd4 f6 (11...g6 12.Ra3= (12.Ra7?? c5 13.Ra8 cd4-+)) 12.Ra7 Ra7 13.Qa7 Qe8 14.Rg3 Qc6 15.Qd4 d5 16.e3 Be6 (16...Bf5 17.c4+=) 17.Bd3 b6 (17...Kh8 18.b5 Qd6 19.Qa7+=) 18.f4 (better 18.b5 Qd7 19.Kd2+-) 18...Qa4? (better 18...Qd6+=) 19.f5+- Qa1 (19...Bd7 20.Qd5 Kh8 21.Qb7+-) 20.Ke2 (better 20.Kd2 Bc8 21.Qd5 Kh8 22.Rg4+-) 20...Bf7 (20...Bc8 21.Qd5 Kh8+-) 21.Qg4 Bh5 22.Qh5 Qc3 23.Qg4 Rf7 24.Qd4 Qd4 25.ed4 c5 (25...c6 26.b5 Rc7 27.Kd2+-) 26.bc5 bc5 27.c4 cd4 (27...Re7 28.Re3 Re3 29.fe3 cd4 30.c5+-) 28.cd5 Re7 (28...Rc7 29.Rg4+-) 29.Kd2 Rb7 30.Rg4 Rb2 (30...Kf8 31.d6+-) 31.Kd1 (31.Kd1 Rb6 32.Rd4+-) 1–0. Zemitis,V – Gross,G, email b4–01–03, 2001.

7.gf3 Qe7 8.c3 d5 9.e3 Bf5 10.d4 0-0 11.Rg1 a6 12.Nd2 Qd6 (12...Rfe8 13.Nb3=+) 13.f4 Rfe8 14.Be2 (14.Qf3 Qc6 15.Ra3 Kh8=+) 14...b6 (14...Ne4 15.Ne4 Be4 16.Rg3=+) 15.Rg5 (15.Ra6 Ra6 16.Ba6 Qf4=+) 15...g6 (15...Bd7 16.Ra6 (16.Ba6 b5 17.Bb7 Rab8-/+) 16...Ra6 17.Ba6=+) 16.Qb3 c5 (16...a5 17.ba5 Ra5 18.Ra5 ba5 19.c4=) 17.bc5 (worse 17.Ra6 Ra6 18.Ba6 cd4 19.cd4 Qf4-/+; 17.Ba6? cd4 18.cd4 b5-+) 17...bc5 18.Qa3 Qd8 (better 18...Rec8!?=) 19.Qc5+= h6 20.Rg1 Rc8 (20...Ne4 21.Ne4 Be4 22.h3+= (22.Ba6? Re6 23.Qb5 Qf6-+)) 21.Qb4+/- Ne4 22.Ne4 Be4 23.Ra6 Rb8 24.Bb5 Re7 25.Qa5 Qc8 26.Rc6 Qh3 (26...Qc6! 27.Bc6 Rb1 28.Ke2 Rb2 29.Kd1 Rb1 30.Kd2 Rb2 31.Kc1 Rb1 32.Kd2 Rb2 33.Ke1 Rb1 34.Ke2 Rb2 35.Kf1 Rb1 36.Ke2=) 27.Rb6+/- Rb6 28.Qb6 Qh2 29.Qd8 Kg7 30.Rg6 Bg6 (30...Bg6 31.Qd6 Double attack (31.Qd6 Decoy; 31.Qe7 Zwischenzug); 30...fg6 31.Qe7 Zwischenzug; 30...Kg6 31.Qe7 Zwischenzug) 31.Qe7+/- Qg1 32.Kd2 Qf2 33.Be2 h5? (better 33...Be4 34.Qe5 f6 35.Qc7 Kg6+/-) 34.Qe5+- Kh7 35.Qd5 h4 36.Qf3 Qg1 (36...Qf3 37.Bf3 h3+-) 37.f5 Qa1 (37...Qg5 38.fg6 Kg6 39.Bd3 Kg7 40.Ke2+-) 38.fg6 fg6 (38...fg6 39.Qf7 Kh6 40.Qf8 Kh7 41.Qe7 Kh8 42.Qh4 Kg7 43.Qe7 Kh8 44.Qf6 Kh7+-). purt (2115) - devils (2150), Rated Blitz game, lichess.org, 2014.

6.Ne5 Bd6

7.d4 0-0 8.Nd2 Be5 9.de5 Ng4 10.Nf3 Re8 11.Qd4= d6 12.ed6 cd6 13.h3 Ne5 14.0-0-0 Bf5 15.Qd6 Qc8 16.e4 Be4 -/+.

7.Nf3 0-0 8.e3 b6 9.Be2 Bb7 10.0-0 Re8 11.c4 Qe7 12.Qb3?? Bf3-+ 13.Bf3 Qe5 14.Rd1 Qa1 15.Ba8 Bh2?? 16.Kh2-/+ Qe5 17.g3 Ra8 18.Nc3 Rd8 19.Qb5 d5 20.Kg2 Qe6 21.cd5 Nd5 22.Nd5 Rd5 23.Qc4 c6 24.a4 Rc5 25.Qf4 h6 26.Qb8 Kh7 27.Qa7 Rh5 28.Qb6? Qh3-+ 29.Kf3 Rf5 30.Ke2 Qh5 31.Ke1 Qh1 32.Ke2 Qf3 (33.Kd3 Qd1 34.Qc6 Rf2-+) 0–1. Schuehler,Ernst – Lopez, corr 3GMM–45, 1997.

7.Nf3 Be7 8.e3 =+.

5.Bb2 0-0

6.c3 Ba5 7.d4 d5 8.e3 Bg4 9.Be2 Ne4 10.0-0 Ne7 11.Ne5 Be2 12.Qe2 f6 13.Nf3 c6 14.Qd3 f5 15.c4 f4 16.cd5 cd5 17.Nbd2 Nd2 18.Nd2 Bd2 19.Qd2 f3 20.gf3 Nf5 21.e4?? (better is 21.f4=) 21...de4?? (better is 21...Nh4 22.Qe3 Rf3-+) 22.fe4+/– Nd6 23.f3 Nc4 24.Qc3 Rc8 25.Qb3 Rf6 26.d5?? (better is 26.Rfc1 Rb6 27.Rc4 Rb3 28.ab3 Rc4 29.bc4 Qg5 30.Kf1-+) 26...Rb6-+ (26...Nb2 27.Qb2 Rb6 28.Qf2+/–) 27.Qc3 Rb2 28.Rac1 Qg5 29.Kh1 Qg2 0–1. Jokmin,Alex – Checa,Nicolas, RN–2010-0-00309, 2010.

6.c3 Ba5 7.e3 d5 8.d4 Bg4 9.Be2 Re8 10.0-0 Ne4 11.Nfd2 Be2 12.Qe2 f5 13.Nb3 Bb6 14.N1d2 a5 15.a4 Ne7 16.c4 c6 17.cd5 Nd5 18.Ne4 Re4 19.Nd2 Re8 20.Rac1 Qh4 21.g3 Qh3 22.Qf3 Rad8 23.Qg2 Qh5 24.h4 Qe2 25.Rfd1 Qg4 26.Re1 Nb4 27.Rc3? (better is 27.Rb1!?+=) 27...Rd4! 28.f3 (28.ed4 Re1 Pinning (28...Re1 Deflection)) 28...Qg6 29.ed4?? (better is 29.Nc4 Bc7 30.g4-+) 29...Re1 30.Kf2 (30.Nf1 Bd4 31.Kh1-+) 30...Qe6 (30...Qe6 31.Ne4 fe4 32.fe4 Re4-+) 0–1. Burnham,Frank D (1815) – Harari,Zaki (2115), London ENG, 5th Classic Open, 2013.

6.c3 Bc5 7.d4 Bb6 8.Nbd2 d5 9.e3 Re8 10.Bd3 h6 11.0-0 Ne7 12.Rc1 Bf5 13.Bf5 Nf5 14.c4 c6 15.c5 Bc7 16.Qb3 b6 (better is 16...Qe7!?=) 17.cb6+/– ab6 18.Rc6 Qb8 19.h3 Qb7 20.Rfc1 Re7? (better is 20...Rec8 21.R6c3 Nd6+/–) 21.Qc2+- Ra2 22.Qb3?? (better is 22.Qb1 Rb2 23.Qb2 Nd6+-) 22...Qa6?? (better is 22...Ra8+=) 23.Rc7+- Ra5 24.Re7 Ne7 25.Ne5 Nf5 26.Qc2 Nd6 27.Qc7 Nb5 28.Qf7 Kh7 29.Rc6 Ra2 30.Rf6 Rb2 31.Rh6! (31.Rh6 Kh6 32.Qg6) 1–0. Jokmin,Alex – Lebduska,Daniel, RN–2010-0-00309, 2010.

6.Nc3 d6 A) 7.Rb1 A1) 7...Bc3 8.Bc3 Rb8 9.e3 Be6 10.Bb5 Qe7 11.d3 Nd8=; A2) 7...a6 8.e3 d5 9.Be2 Ne4 10.0-0 Bc3 11.Bc3 Nc3+=; A3) 7...Be6 8.a3 (8.e3 Rb8 9.Bb5 Bc3 10.Bc3 Qe7 11.d3 Nd8+=) 8...Bc3 9.Bc3 Rb8 10.e3 Ne4 11.Ba1 Re8=; A4) 7...Rb8 8.a3 (8.e3 Be6 9.Bb5 Bc3 10.Bc3 Ba2 11.Ra1 Bd5=) 8...Bc3 9.Bc3 Ne4 10.Bb2 Be6 11.e3 Ba2=; A5) 7...Re8 8.e3 a6 9.Be2 Qe7 10.a3 Bc3 11.Bc3 b5=; A6) 7...d5 8.e3 (8.a3 Bc5 9.e3 Qe7 10.Qc1 Rd8 11.Be2 Ne4+=; 8.Nb5 Ne4 9.e3 a6 10.Nbd4 Nd4 11.Bd4 c5+=) 8...Ne4 9.Be2 Be6 10.0-0 Bc3 11.Bc3 Nc3=; A7) 7...Bg4 8.e3 (8.a3 Bc3 9.Bc3 Nd5 10.Ba1 Bf3 11.gf3 Rb8=) 8...Rb8 9.Be2 d5 10.a3 Be7 11.d3 Re8=; A8) 7...Qe7 8.a3 (8.e3 Be6 9.a3 Bc3 10.Bc3 Rfb8 11.Bd3 a6=) 8...Bc3 9.Bc3 Re8 10.e3 Nd5 11.Ba1 Nf4=; A9) 7...Ne5 8.e3 (8.a3 Nf3 9.gf3 Bc3 10.Bc3 c6 11.Rg1 d5+=) 8...Nf3 9.Qf3 d5 10.Nb5 Ne4 11.c3 Be7+=; B) 7.e3 B1) 7...Re8 8.Be2 (8.Bb5 Bg4 9.Rb1 a6 10.Bc6 bc6 11.h3 Be6=; 8.Rb1 a6 9.Be2 Qe7 10.a3 Bc3 11.Bc3 b5=) 8...Be6 9.0-0 Qe7 10.Nb5 Rac8 11.a3 Ba5=; B2) 7...Qe7 8.Rb1 (8.Be2 Re8 9.0-0 Bc3 10.Bc3 Rb8 11.Qb1 Bg4=; 8.Bb5 Ne5 9.Be2 Be6 10.a3 Ba5 11.0-0 Rfe8=; 8.Bd3 Bc3 9.Bc3 Nd5 10.Bb2 Nf4 11.Bf1 Bg4+=) 8...Be6 9.a3 Bc3 10.Bc3 Rab8 11.Bd3 Rfe8=; B3) 7...Bc3 8.Bc3 Ne4 9.Bb2 Re8 10.Be2 Nc5 11.0-0 Na4=; B4) 7...a6 8.Be2 (8.Rb1 Re8 9.Be2 Qe7 10.a3 Bc3 11.Bc3 b5=; 8.a3 Ba5 9.Be2 Re8 10.0-0 b5 11.a4 b4=; 8.Bd3 Re8 9.0-0 Qe7 10.a3 Bc3 11.Bc3 Bg4=) 8...Re8 9.Rb1 Qe7 10.a3 Bc3 11.Bc3 b5=; B5) 7...Bg4 8.Be2 (8.Rb1 Rb8 9.Be2 d5 10.a3 Be7 11.0-0 Re8=) 8...Re8 9.0-0 Qe7 10.Rb1 Be6 11.a3 Bc3=; B6) 7...Bf5 8.Rb1 (8.Bb5 Ne5 9.0-0 c6 10.Nd4 Bg6 11.Be2 d5=; 8.Be2 Re8 9.a3 Ba5 10.0-0 a6 11.d3 Qe7=) 8...Be6 9.a3 Ba5 10.Be2 Re8 11.0-0 a6=; B7) 7...Be6 8.Rb1 (8.Bb5 Ne5 9.a3 Bc3 10.Bc3 Ne4 11.Be5 de5+=; 8.Be2 a6 9.0-0 d5 10.Rb1 Ne4 11.Bd3 Bc3+=) 8...Rb8 9.Bb5 Bc3 10.Bc3 Ba2 11.Ra1 Bd5=; B8) 7...Rb8 8.Be2 Re8 9.Nb5 Ba5 10.0-0 a6 11.Nbd4 Nd4=; B9) 7...d5 8.a3 (8.Bb5 Ne4 9.Rb1 Bc3 10.Bc3 Nc3 11.dc3 Ne7+=) 8...Bd6 9.Be2 Re8 10.0-0 a6 11.Rb1 Qe7+=; C) 7.a3 Bc3 8.Bc3 Re8 9.e3 Ne4 10.Bb2 Be6 11.Bb5 Rb8=.

6.Nc3 Re8 A) 7.e3 A1) 7...d6 8.Rb1 (8.Bb5 a6 9.Bc6 bc6 10.Rb1 Bg4 11.a3 Bc3+=; 8.Be2 Be6 9.0-0 Qe7 10.a3 Bc3 11.Bc3 Nd5=) 8...Bc3 9.Bc3 Nd5 10.Bb2 a6 11.Be2 b5=; A2) 7...a6 8.a3 (8.Be2 d5 9.0-0 d4 10.Nb1 Bc5 11.Ne1 Bf5+=) 8...Be7 9.Be2 d5 10.0-0 Bd6 11.Re1 Ne5=; A3) 7...d5 8.a3 (8.Bb5 Bg4 9.Bc6 bc6 10.h3 Bh5 11.Rb1 d4-/+) 8...Ba5 9.Be2 d4 10.ed4 Nd4 11.Nd4 Qd4-/+; B) 7.a3 Ba5 (7...Bc3 8.Bc3 Ne4 9.Bb2 d6 10.e3 a6 11.Be2 Be6=) 8.e3 d5 9.Be2 d4 10.Nd4 Nd4 11.ed4 Bg4+=.

6.Nf3 Bc5 7.d4 Bb6 8.Bg2 (8.d5 Ba5 (8...Nb4 9.c4 Ne4 10.e3 Ba5 11.Nbd2 Nc5 12.Qb1) 9.Bc3 Ne4 10.Ba5 Na5+= 11.Bg2 Re8 12.0-0; 8.e3 d5 9.Bg2 Bf5 10.0-0 Re8 11.Na3 Be6 12.c4) 8...d5 (8...Ne4 9.c4 d5 10.cd5 Qd5 11.Nfd2 f5 12.e3; 8...Re8 9.d5 Ba5 10.Bc3 Ne4 11.Ba5 Na5 12.0-0) 9.0-0 Re8 10.Nc3 (10.Nbd2 Qe7 11.e3 Bf5+= 12.a3) 10...Qe7 (10...Ba5 11.Rb1+= (11.Na4 Ne4 12.Rb1) 11...Bf5 12.h3; 10...Bf5 11.Na4 Be4 12.Bc3) 11.e3 Ba5 12.Nd2 (12.Rb1 Bc3 13.Bc3 Ne4+=; 12.Ne2+=) 12...Bg4 13.Nf3 (13.Nd5 Nd5 14.Qg4 Ne3 15.fe3 Qe3 16.Kh1 Bd2+=) 13...Qd7-/+ 14.Rb1 (14.Qd3!?-/+) 14...Ne4-+ 15.Qe1 Rad8 16.Rd1 (16.Nh4!? g5 17.Be4 de4 18.Ng2-/+) 16...Qe6-+ 17.Rb1 Qh6 18.h4 Qg6 19.Ba1 (19.Nh2 Nd4! 20.Be4 Re4-+ (20...de4?! 21.ed4 Bh3 22.Qe3+=)).

6.Nf3 Bc5 7.e3 A) 7...Re8 A1) 8.Bg2 d5 (8...a6 9.0-0 d5 10.Nc3 Qe7 11.Rb1 Bg4 12.h3) 9.0-0 Bg4 10.h3 Bf5 11.g4 Be6 12.Nc3; A2) 8.Nc3 d5 (8...d6 9.Na4 Bb4 10.Bg2 d5 11.0-0 Bg4 12.h3) 9.Bg2 Bg4 10.Rb1 Ne4 11.h3 Bh5 12.Ne2; A3) 8.Be2 d5 (8...d6 9.0-0 Bh3 10.Re1 Be6 11.Ng5 Bf5 12.d4) 9.0-0 Bf5 10.Nc3 a6 11.Rb1 d4 12.ed4; A4) 8.d4 Bb4 9.c3 Ba5 10.Bg2 d5 11.0-0 Ne4 12.Qa4; B) 7...d5 B1) 8.a3 Re8 (8...Bg4 9.Bg2 Re8 10.0-0 d4 11.Qc1 Rb8 12.Re1; 8...d4 9.Bg2 Bf5 10.0-0 d3 11.c4 Re8 12.Qb3; 8...Na5 9.Ne5 Bd6 10.Bg2 Re8 11.f4 Be5 12.Be5; 8...Bf5 9.Bg2 d4 10.0-0 d3 11.c4 Be6 12.Qa4) 9.Bg2 d4 10.0-0 Qd6 11.Re1 Bg4 12.h3; B2) 8.d4 Bb4 (8...Be7 9.Bg2 Bf5 10.Ne5 Ne5 11.de5 Ne4 12.0-0; 8...Bd6 9.Ba3 Ba3 10.Na3 Qe7 11.Nb1 Qb4 12.Nbd2) 9.c3 Bd6 10.Ba3 Bf5 11.Bg2 Re8 12.0-0; B3) 8.Nc3 Na5 (8...Re8 9.Bg2 Bg4 10.h3 Bh5 11.0-0 Ne5 12.Nb5; 8...Ne4 9.Bb5 Na5 10.Ne5 Bd6 11.Ne4 de4 12.Nc4; 8...Bg4 9.h3 Bh5 10.Be2 Re8 11.0-0 Qd7 12.g4; 8...Bf5 9.Bg2 Re8 10.0-0 Qe7 11.d3 Rad8 12.Nb5; 8...Qe7 9.Bg2 Na5 10.Qe2 c6 11.d3 Re8 12.0-0) 9.Rb1 Re8 10.Nb5 Bb6 11.Bg2 Nc4 12.0-0; B4) 8.Bb5 Re8 (8...Bg4 9.h3 Bd7 10.Bf6 Qf6 11.Nc3 Be6 12.Bc6; 8...Bh3 9.Nc3 Re8 10.Ng5 Bd7 11.0-0 a6 12.Be2; 8...a6 9.Bc6 bc6 10.Ne5 Qe8 11.Nd3 Be7 12.Be5) 9.d4 Bd6 10.Ba3 a6 11.Bc6 bc6 12.0-0; B5) 8.Bg2 d4 (8...Re8 9.0-0 Be6 10.Nc3 Qe7 11.d3 a6 12.Rb1; 8...Bg4 9.0-0 Re8 10.Re1 Qd6 11.Nc3 Qe6 12.h3; 8...Be6 9.Nc3 Qe7 10.0-0 Rfe8 11.Rb1 Rab8 12.Nb5) 9.0-0 Re8 10.Na3 a6 11.Re1 de3 12.de3.

6.Nf3 Bc5 7.Bg2 d5+= A) 8.0-0 d4 (8...Re8 9.e3 Bg4 10.h3 Bf5 11.Re1 Qd6 12.Nc3; 8...Bf5 9.e3 Re8 10.Nc3 Qe7 11.d3 Rad8 12.Nb5; 8...Be6 9.d4 Bb6 10.Nc3 Ne4 11.e3 Qe7 12.Ne4; 8...Qe7 9.Nc3 Re8 10.e3 Bg4 11.h3 Bf5 12.d3) 9.e3 Re8 10.Na3 a6 11.Re1 de3 12.fe3; B) 8.e3 Re8 (8...Bg4 9.0-0 Re8 10.h3 Bf5 11.Re1 Qd6 12.Nc3; 8...d4 9.0-0 Re8 10.Na3 a6 11.Re1 de3 12.fe3; 8...Qe7 9.0-0 Bg4 10.h3 Be6 11.Nc3 Rfe8 12.d3; 8...Be6 9.0-0 Qe7 10.Nc3 Rfe8 11.Nb5 Rac8 12.Rb1; 8...Bf5 9.0-0 Re8 10.Nc3 Qe7 11.d3 Rad8 12.Rb1) 9.0-0 Bg4 10.h3 Bf5 11.Re1 Qd6 12.d3; C) 8.d4 Bb4 (8...Be7 9.0-0 Re8 10.Ne5 Ne5 11.de5 Ne4 12.c4; 8...Bb6 9.0-0 Re8 10.Nbd2 Bg4 11.h3 Be6 12.e3; 8...Bd6 9.0-0 Re8 10.Ba3 Bf5 11.e3 Nb4 12.Nh4) 9.c3 Bd6 10.Ba3 Bf5 11.Bd6 Qd6 12.0-0.

6.Nf3 d5 7.Bg2 +=.

6.g3 Na5 7.a3 Nc4 8.ab4 Nb2 9.Qc1 Nc4 10.e4 (10.d3 Nb6=) 10...Nb6 (10...Qe7 11.d3 Re8 12.Be2-/+) 11.Nc3 (11.e5 Qe7 12.Be2 Re8+=) 11...Qe7-/+ 12.Bd3 d5 13.e5 Bh3 14.Rg1 Bg4 15.Be2 Ne4 16.Qb2 Bf3 17.Bf3 Qe5 18.Be4 de4 19.0-0-0 (19.Na4 Qd5-+) 19...a5 20.Rde1 ab4 21.Qb4 Ra1 22.Kb2?! (22.Nb1 Ra4 23.f4-+) 22...Ra4 23.Qb3 Rfa8 24.Ra1 (24.f4 Nc4 25.Kc1 Ra1 26.Nb1 Qd4-+) 24...R8a6 25.Rge1 (25.Rab1 c5 26.d4 Rd4 27.f4-+) 25...Nc4 26.Kc1 (26.Qc4 Rc4 27.Ra6 ba6 28.f3-+) 26...Ra1 27.Nb1 Rb6 0–1. bblchess – charmedones (2020), gameknot.com, 2014.

6.g3 b6 7.Bg2 Bb7 8.0-0 Re8 9.d3 Bf8 (9...d5 10.a3 Bc5 11.Nbd2=) 10.Nbd2 Rb8 (10...d5 11.c4=) 11.e4+= d6 12.Re1 g6 13.c4 (13.d4 Bg7+=) 13...Bg7 14.Rb1 (14.d4 Qe7+=) 14...h6 (14...Ne5 15.Qe2=) 15.Bc3 (15.d4 Qd7+=) 15...Ne5= 16.Qc2 Nfd7 17.Ne5 (17.d4!? Nf3 18.Nf3+=) 17...de5= (worse is 17...Ne5 18.f4 Nd7 19.Bg7 Kg7 20.Qc3 Kg8 21.d4+=) 18.Nb3 Nf8 19.f4 (19.Rbd1 Ne6=) 19...ef4+= 20.Bg7 Kg7 21.Qc3 Qf6 22.Qf6 Kf6 23.gf4 (23.e5 Kf5=) 23...Kg7 24.d4 Ne6 25.Rf1 Ba6 (25...g5 26.fg5 hg5 27.d5+=) 26.Rbc1 (26.d5 Nc5 27.Nd2=) 26...Rbd8 (better is 26...g5!? 27.fg5 hg5+=) 27.d5+/– Nc5 28.Nc5 bc5 29.Rc3 Rb8 30.Ra3 (30.Rfc1 Rb4+=) 30...Rb6 (30...Bc4!? 31.Rc1 Rb4=) 31.Rc1+/– g5 (31...Re7 32.Kf2+/–) 32.fg5 hg5 33.Ra5 c6 (33...Re7 34.a4+/–) 34.Rc5 (34.d6!? f5+-) 34...cd5+/– 35.cd5 Bd3 36.Re1 Rb1 37.Rb1 Bb1 38.d6 Rd8 39.Rg5 Kh6 40.Ra5 (40.Rb5 Ba2 41.e5 Be6+/–) 40...Rd6 41.Ra7 Rd1 42.Kf2 Rd2 43.Kg3 Ba2 44.Bf3 Be6 45.h4 Rd3 46.Kf4 Rd2 47.Ra5 White intends h5 47...Rh2 48.h5 Rf2 49.Ra3 Rb2 50.Ke5 (50.Ra7 Rh2+/–) 50...Rb5 51.Kf4 Rb4 (51...Rb2 52.Ra7 Rh2+/–) 52.Ra6 Kg7 53.Ra5 Kf6? (better is 53...Rb2+/–) 54.Ra6 (better is 54.Rg5!?+-) 54...Kg7+/– 55.Be2 Rb2 56.Bf3 Rb4 57.Ra8 Rd4 58.Ra1 Rb4 59.Rg1 Kh6 60.Ke5 Rb6 61.Rg3 Ra6 62.Kf6 Bc4 63.Kf5+= Be6 64.Kf4 Ra4 65.Rg8 Kh7 66.Rd8 Ra5 67.e5 Kg7 68.Be4 Ra1 69.Rd2 Rf1 70.Kg5 Re1?? 71.h6 Kf8 72.Rd8 Ke7+- 73.h7 Re4 74.h8Q Rg4 75.Kh5 1–0. Valenta,Vit (2195) – Puskar,Jan (2015), Piestany Slovakia, Pressburg U9, 2009.

6.g3 d6 7.Bg2 Bf5 8.Nd4 Nd4 9.Bd4 c6 10.0-0 Qe7 11.Nc3 c5 (11...Bc3!? 12.Bc3 Rae8+=) 12.Bf6+= Qf6 (12...gf6? 13.Nd5 Qd8 14.Rb1+-) 13.Nd5 Qd8 14.Nb4 cb4 15.Bb7 Rb8 16.Bd5 Qc7 17.Rc1 Be6 18.Bb3 a5 19.c3 Bh3 (better is 19...Qe7+=) 20.cb4 (better is 20.Re1+/–) 20...Qb7-/+ 21.f3 Bf1 22.Kf1 ab4 23.d3 Rfe8 24.Qd2 Qb5 25.Qf4 d5 (25...Qd7 26.e4-/+) 26.Rc7+= Rb7?? (26...Rf8 27.Qd6 Rbd8 28.Qc6=) 27.Rb7 (27.Qf7! Kh8 28.Qg7) 27...Qb7+= 28.e4 (28.Qd6 Qc8 29.Qb4 Qc1 30.Qe1 Qh6+=) 28...Qb5-/+ 29.Bd5 Qd3 30.Kg2 Qe2 31.Kh3 Qf1 32.Kh4 Rf8 33.h3 h6 34.Qg4 (34.Qf5 Qa6 35.f4 Qd6-/+) 34...Qa6-+ 35.e5?? (better is 35.Qf5-+) 35...g5 (35...g5 36.Qg5 hg5 37.Kg5 Qa5-+) 0–1. stameni – mekkelmania, gameknot.com, 2014.

6.g3 d6 7.Bg2 Bg4 8.0-0 Re8 9.Nc3 Ne4 (9...d5 10.Nb5+=) 10.Nd5 Ba5 11.c3 Qd7 12.d3 Nc5 13.e4 (better is 13.Qc2!?=) 13...Ne5-/+ 14.Ne5 de5 (worse is 14...Re5 15.Qc2+=) 15.f3 Be6 16.c4 (16.Ba3 c6 17.Bc5 cd5-/+) 16...c6 17.d4 cd5 (worse is 17...Bd5 18.cd5 (18.ed5?! ed4 19.Qd4 f6=) 18...ed4 19.Qd4+/–) 18.cd5 (18.ed5!? Na4 19.de6 fe6 20.Ba3-+) 18...Na4-+ 19.de6 Re6 (better is 19...fe6 20.Ba3 Nc3-+) 20.d5= Bb6 21.Kh1 Nb2 22.de6 Qd1 23.ef7 Kf7 24.Rad1 Nd1 25.Rd1 Ke6 (25...Rc8 26.f4=) 26.Bh3 Kf6 27.Rd6 Kg5 28.Bg4 Rf8?? (better is 28...g6=) 29.h4 1–0. lletram22 (1880) – drengur1 (1980), gameknot.com, 2014.

6.g3 Qe7 7.a3 Bd6 8.Bg2 Re8 9.e3 b6 10.0-0 Bb7 11.Nc3 Na5 12.d3= c5 13.Nb5 Bb8 14.e4 a6 15.Nc3 Bc7 16.Ne2 d5-/+ 17.e5 Nd7 18.Re1 Ne5 19.Ne5 Be5 20.Nf4 d4 21.Bh3 Qd6 22.Bc1 Nc6 23.Bd2 Ne7 24.Qh5 Ng6 25.Bf5 Bf6 26.Nh3 Qd5 27.Re4 Qd6?? 28.Bf4 Be5?? 29.Re5 Re5 30.Be5+= Ne5 31.Qh7 Kf8 32.Ng5 Qh6=+ 33.Rb1?? Qg5-+ 34.Be4 Be4 35.Qe4 Re8-/+ 36.f4 Qg4 37.fe5-+ Qe4 38.de4 b5 39.Kf2 Re5 40.Kf3 Ke7 41.g4 Kd6 42.h4 Re6 43.g5 g6 44.a4 b4 45.Kf4-/+ a5 46.Rd1 Re8 47.Rd3 Rh8 48.Kg4 Ke5 49.Rf3 Rf8 50.Rf6 Ke4 51.h5? gh5 52.Kh5 d3 53.cd3 Kd3 54.Kh6 b3 (54...b3 55.Kg7 b2-/+; better is 54...c4!? 55.Kg7 Rb8 56.Rd6 Kc2 57.Kf7-+) 0–1. Accardo,Francesco – Blasco,Domenico, Napoli op, 1992.

6.a3 Ba5

7.Bc3 Bb6 8.e3 d5 9.d4 Ne4 10.Bb2 f5 11.g3 (11.Nbd2 f4 12.Ne4 de4=+) 11...Ba5-/+ 12.Nfd2 f4! 13.ef4?? (13.ef4 Nd2 Combination; 13.gf4 Qh4 Combination) 13...Re8-+ 14.Be2 Nd2 15.Nd2 Bg4 0-1. almostadams (2700) - Mwamba1409 (2560), Rated Bullet game, lichess.org, 2020.

7.Nc3 d5 8.e3 a6 9.Bd3 Bg4 10.h3 Bh5 11.0-0 d4 (11...Ne5 12.Be2 Nc4 13.Bc4 dc4 14.g4+=) 12.Ne4= Ne5 13.Be2 (13.Bd4 Nf3 14.gf3 Ne4 15.Be4 c5+=) 13...d3 (better is 13...Ne4 14.Ne5 Be2 15.Qe2 Nd2-/+) 14.Be5?? (better is 14.cd3 Ne4 15.de4 Bf3 16.gf3+=) 14...de2-+ 15.Nf6 (15.Nf6 gf6 16.Qe2 fe5 17.g4-+). mekkelmania – soidog (1975), gameknot.com, 2014.

7.e3 d5 8.c4 Bg4 9.cd5 Qd5 (9...Nd5 10.Bb5=+) 10.Nc3 (10.Bf6!? gf6 11.Nc3+=) 10...Bc3 11.Bc3 Ne4 12.Be2 Nc3 (12...Rad8 13.0-0=+) 13.dc3= Qa5 14.Qc2 (14.Qb3 Be6 15.Qb2 Rfd8=) 14...Rad8 15.0-0 Rd7 (15...Rfe8 16.Qb3=) 16.Nd4 (better 16.Rfb1!? a6 17.Rb7+/-) 16...Be2=+ 17.Ne2 Rfd8 18.Nd4 Ne5 19.Rfd1 g6 20.Kf1 (20.a4!?=+) 20...c5-/+ 21.Nb3 (21.Ne2!? Rd1 22.Rd1 Rd1 23.Qd1 Qa3 24.h3-/+) 21...Rd1-+ 22.Rd1 Rd1 23.Qd1 Qc3 24.Qd8 Kg7 25.Qd5 (25.Qd1 Nd3 26.Qa1 Qa1 27.Na1 b5-+) 25...b6 (25...Nd3 26.Ke2 Qb3 27.Qd3 (27.Qb3?? Nc1 28.Kd1 Nb3-+) 27...Qd3 28.Kd3-+) 26.Ke2 (26.Nd2 Ng4-+) 26...Nc4 27.Qd3 Qb2 28.Ke1 Na3 0-1. kaalmakreel (2170) - piet111 (2200), ChessWorld.net, 2007.

7.e3 d5 8.Be2 Ne7 9.Bf6 gf6 10.c4 (10.0-0 Be6 (10...Re8 11.c4 Be6 12.c5 c6 13.d4 f5 14.Bd3+=; 10...c6 11.d4 Re8 12.c4 Bf5 13.Kh1 Qd7 14.Qb3+=) 11.Qc1 Nf5 12.d4 Nd6 13.Bd3 Re8 14.c3+=; 10.c3 c5 11.0-0 Qb6 12.Qc2 Re8 13.Re1 Bf5 14.d3+=) 10...c6 (10...dc4 11.Bc4 a6 12.Qc2 Bf5 13.e4 Be6 14.0-0=) 11.Qb3 (11.0-0 dc4 (11...Be6 12.Qc2 dc4 13.Bc4 b5 14.Be2+=) 12.Bc4 Be6 13.Qc2 (13.Be6 fe6+= 14.Nd4+=) 13...Bf5 14.Qb2+=) 11...dc4 12.Qc4 Be6 13.Qc2 Bf5 (13...f5 14.0-0+=) 14.Qb2 (14.Qb3+=) 14...Nd5 15.0-0 (worse is 15.Qb7 Rb8 16.Qa7 Bb1+=) 15...Qd6 (15...Qb6 16.Ra2+=) 16.Nd4 (16.Qb7!? Rfb8 17.Qa6+/–) 16...Bd7 17.Qb7 Bc7 18.f4 (18.Nf3!?+/–) 18...Bb6+= 19.Qa6 (19.Nc3!? Bd4 20.ed4 Nf4 21.Qb4 Qb4 22.ab4 Ne2 23.Ne2=) 19...Bd4+= 20.ed4 Nf4 21.d5 Ne2 (21...Qd5 22.Rf2+=) 22.Qe2= cd5 (22...Rfe8 23.Qf3 Qc5 24.Kh1 Qd5 25.Qf2=) 23.Nc3+= f5 24.d4 Rac8 25.Qd2 (25.Qf3 Rfd8+=) 25...Rfe8= 26.Rf3 f4 27.Raf1 Re3 (27...Be6!?=) 28.Re3+= fe3 29.Qe3 Qe6 (29...h6 30.Qf3 Be6 31.Ne2+=) 30.Qf3 Bc6 31.h3 Re8 32.Rf2 Qe1 (32...Qg6!?+=) 33.Kh2+/– White gets kings attack 33...Qe6 34.Qf4 Kf8 (34...Qd7 35.Rf3+/–) 35.Re2+- Qd7 36.Qh6 Kg8 37.Re8 Qe8 38.Nd5! The passed pawn on d4 will quickly become a dangerous weapon 38...Bd5 39.Qg5 A double attack 39...Kf8 40.Qd5 Qb8 41.Qe5 Qb7 (41...Qb6 42.a4+-) 42.d5 (better is 42.Qh8!? Ke7 43.Qh7 Qb8 44.Kg1 Qf4+-) 42...Qb5 43.Qd4 Ke8 44.d6 Qb7 (44...Qf5 45.Qe3 Qe6 46.Qc5+/–) 45.Qe5 Kd7 46.Qe7 Kc6 47.Qe4 Kb6 48.Qb7 Kb7 49.Kg3 Kc6 50.Kf4 Kd6 51.Kf5 (51.Kg5 Ke5 52.Kh6+=) 51...Ke7+/– 52.Kg5 Kf8 53.Kf6 a6 54.a4 a5 55.h4 Kg8 56.h5 h6 57.Ke5 Kg7 58.Kd5 Kf6 59.Kc5 Kg5 60.Kb5 Kh5 61.Ka5 (61.Ka5 Kg4 62.Kb5+-) 1–0. Dzieniszewski,Andrzej – Dukaczewski, Rowy Poland, 1987.

7.e3 d5 8.Be2 Re8 9.0-0 Ne4 10.d3 Nc5 11.d4 Na4 12.Bc1 Qf6 13.c4 Nb6 14.c5 Nc4 15.Nfd2 Be6 16.Nc4 dc4 17.Qa4 c3 18.Bf3 Qg6 19.d5 Ne5 20.Be4 Bf5 21.f3 Be4 22.fe4 b6 23.Qc2 Rad8 24.Ra2 bc5 25.Nc3 Bc3 26.Qc3 c4 27.Rd2 Qe4 28.Rd4 Qg6 29.Qb4 Rb8 30.Qa4 a6 31.Bd2 h5 32.Rdf4 f6 33.Bc3 Ng4 34.Bd4 Qd3 0–1. bulent_2010 – JohanK, chessworld.net, 2014.

7.e3 d5 8.Be2 Re8 9.0-0 Ne4 10.d3 Nc5 11.d4 Ne4 12.c4 Bg4 13.Qb3 Ng5 14.cd5 1–0. phildo (1860) – ezio_auditore (1865), gameknot.com, 2013.

7.e3 a6

8.Be2 d5

9.0-0 Bf5

10.d3 b5 11.Nbd2 Bb6 (11...Qd6 12.Nb3 Bb6 13.a4 b4 14.a5 Ba7 15.Rb1=; 11...Qe7 12.Nb3 Bb6 13.Qd2 Rae8 14.a4 Bg4 15.ab5+=; 11...Re8 12.Nb3 Qe7 13.c4 dc4 14.dc4 bc4 15.Bc4=) 12.Nb3 Qe7 13.a4 Rfe8 14.Re1 Na5 15.Nbd4 =.

10.d3 b6 11.Nbd2 Bd2 (11...Be6 12.Nb3 Bg4 13.Nfd4 Be2 14.Qe2 Nd4 15.Bd4+/–; 11...Bg4 12.Nb3 Qe7 13.h3 Bh5 14.Ne5 Ne5 15.Bh5+=; 11...b5 12.Nb3 Re8 13.c4 dc4 14.dc4 bc4 15.Bc4+=; 11...Rb8 12.Nb3 Re8 13.Nfd4 Nd4 14.Bd4 Qd6 15.Bf3+=; 11...Qe7 12.Nb3 Rfe8 13.Nfd4 Nd4 14.Nd4 Bd7 15.Nb3+=; 11...Qd6 12.Nb3 Rfe8 13.Nfd4 Nd4 14.Nd4 Bd7 15.Nb3+=; 11...Rc8 12.Nb3 Bg4 13.Ne5 Ne5 14.Be5 Be2 15.Qe2+=; 11...Ra7 12.Nb3 Qe7 13.Nfd4 Nd4 14.Bd4 c5 15.Bc5+=; 11...Re8 12.Nb3 Rb8 13.Nfd4 Nd4 14.Bd4 Qd6 15.Bf3+=; 11...Bd7 12.Nb3 Re8 13.Nfd4 Nd4 14.Bd4 c5 15.Bb2+=) 12.Qd2 Re8 13.Rab1 Qd6 14.Rfd1 Rad8 15.h3 =.

10.d3 Bb6 11.Nbd2 d4 (11...Bc5 12.c4 dc4 13.Nc4 b5 14.Ncd2 Be7 15.Qc2+=; 11...Re8 12.Rb1 Qe7 13.Nb3 Rad8 14.Re1 Ng4 15.Qd2=) 12.Nc4 Bc5 13.ed4 Nd4 14.Nd4 Bd4 15.c3 =.

10.d3 Qd6 A) 11.Nbd2 Rfe8 (11...Rad8 12.Rb1 b5 13.Nb3 Bb6 14.Re1 Rfe8 15.Qd2=; 11...b5 12.Nb3 Bb6 13.a4 b4 14.a5 Ba7 15.c3=; 11...Rfd8 12.Nb3 Bb6 13.a4 Re8 14.a5 Ba7 15.Rb1=; 11...Bb6 12.Rb1 Rab8 13.Nb3 Rfd8 14.Qd2 Re8 15.Rfe1=; 11...Rae8 12.c4 Bd2 13.Nd2 Ne5 14.Nf3 Nf3 15.Bf3=) 12.Rb1 b5 13.Nb3 Bb6 14.Re1 Ng4 15.Rf1+=; B) 11.h3 Bb6 (11...Rae8 12.Nbd2 b5 13.c4 dc4 14.dc4 Rb8 15.cb5=; 11...b5 12.Nbd2 Bb6 13.Nb3 Rfe8 14.a4 b4 15.a5=; 11...Rad8 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Rb1 Re7 15.Qd2=; 11...Qe6 12.Nbd2 Rfe8 13.Rb1 b5 14.Nb3 Bb6 15.Re1=; 11...Ne7 12.Nbd2 Rfe8 13.c4 c5 14.Be5 Qc6 15.cd5=; 11...Rfe8 12.Nbd2 b5 13.c4 dc4 14.dc4 Reb8 15.Nb3=; 11...Rab8 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Rb1 Re7 15.Nh4=; 11...Rfd8 12.Nbd2 Bb6 13.Rb1 Rab8 14.Nb3 a5 15.a4=) 12.Nbd2 Rfe8 13.Nb3 Rad8 14.Rb1 Re7 15.Re1=.

10.d3 Be6 11.Nbd2 Re8 (11...Qe7 12.Nb3 Bb6 13.a4 Rfe8 14.a5 Ba7 15.Ra4=; 11...Bb6 12.Rb1 Rb8 13.Nb3 Qe7 14.Re1 Rfe8 15.Qd2=; 11...Rb8 12.Nb3 Bb6 13.a4 Na5 14.Nbd4 Bg4 15.h3=) 12.Nb3 Bb6 13.a4 Na5 14.Qd2 Nb3 15.cb3 =.

10.d3 Qe7 A) 11.h3 Qe6 (11...Rae8 12.Nbd2 b5 13.Nb3 Bb6 14.c4 dc4 15.dc4=; 11...Rad8 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Rb1 a5 15.Qd2=; 11...b5 12.Nbd2 Rae8 13.Nb3 Bb6 14.c4 dc4 15.dc4=; 11...Bb6 12.Nbd2 Rae8 13.Re1 Bc5 14.d4 Bb6 15.c4=; 11...Rfe8 12.Nbd2 Bb6 13.Re1 Bc5 14.d4 Bd6 15.c4=; 11...Be6 12.Nbd2 Bb6 13.Nb3 Rfe8 14.Rb1 a5 15.Nbd4=; 11...Rab8 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Re1 a5 15.a4=; 11...Rfd8 12.Nbd2 Re8 13.Nb3 Bb6 14.Rb1 Rad8 15.Re1=; 11...Rfb8 12.Nbd2 b5 13.Nb3 Bb6 14.a4 Re8 15.Qd2=; 11...Rfc8 12.Nbd2 Re8 13.Nb3 Bb6 14.Rb1 Rad8 15.Re1=; 11...Qd6 12.Nbd2 Bb6 13.Ra2 Rfe8 14.Qa1 Re6 15.Ng5=; 11...Ra7 12.Nbd2 Re8 13.Nb3 Bb6 14.Rb1 Raa8 15.Qd2=; 11...Rac8 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Rb1 Rcd8 15.Re1=) 12.Nbd2 Rfe8 13.Nh4 Ne7 14.Ndf3 c5 15.c4=; B) 11.Nbd2 b5 (11...Rae8 12.Nb3 Bb6 13.Rb1 Bg4 14.Re1 Na5 15.Nfd2=; 11...Rad8 12.Rb1 Rfe8 13.Nb3 Bb6 14.Re1 a5 15.Nbd4=; 11...Rfe8 12.Nb3 Bb6 13.Rb1 Rad8 14.Re1 a5 15.Qd2=; 11...Bb6 12.c4 Be6 13.Rb1 Rfe8 14.Qc2 Rab8 15.cd5=; 11...Rab8 12.c4 Bd2 13.cd5 Bc3 14.Bc3 Nd5 15.Bb2=; 11...Rfd8 12.Nb3 Bb6 13.Qd2 Re8 14.a4 Rad8 15.a5=; 11...Ra7 12.Nb3 Bb6 13.a4 Na5 14.Ba3 c5 15.d4+=; 11...Be6 12.Nb3 Bb6 13.a4 Rfe8 14.a5 Ba7 15.Ra4=) 12.Nb3 Bb6 13.a4 Rfe8 14.Re1 Na5 15.Nbd4=.

10.d3 Re8 11.Nbd2 Qd6 (11...Bb6 12.Rb1 Qe7 13.Nb3 Rad8 14.Qd2 Bc8 15.Rfe1=; 11...Qe7 12.Nb3 Bb6 13.Rb1 Rad8 14.Re1 Ng4 15.Qd2=; 11...Bg4 12.Rb1 Bd2 13.Qd2 b5 14.Qd1 Qd6 15.c4=; 11...Rb8 12.Nb3 Bb6 13.Rb1 Qe7 14.Qd2 Rbd8 15.Rfe1=; 11...Be6 12.Nb3 Bb6 13.a4 a5 14.Qd2 Nb4 15.Rfb1=) 12.Rb1 b5 13.Nb3 Bb6 14.Re1 Na5 15.Qd2 =.

10.d4 b5 11.a4 b4 (11...Qb8 12.c3 b4 13.c4 Qd8 14.Nbd2 Qd6 15.cd5+=) 12.c4 bc3 13.Bc3 Nb4 14.Nbd2 Ne4 15.Ne4 +=.

10.d4 Qd6 11.c4 (11.Nbd2 Ne4 12.c4 Nc3 13.Bc3 Bc3 14.Ra2 Rfe8 15.Qb3=; 11.Bc3 Bb6 12.Bd3 Be4 13.Nbd2 Bd3 14.cd3 Rfe8 15.a4=; 11.Nh4 Be6 12.Bc3 Rfe8 13.Ba5 Na5 14.Nd2 Nc4 15.Nc4+=) 11...dc4 (11...Rae8 12.c5 Qe6 13.Qa4 Nd7 14.Bc3 b5 15.cb6=) 12.Bc4 Rad8 13.Nbd2 (13.Nc3 Bc3 14.Bc3 b5 15.Bd3=) 13...Bd2 14.Qd2 Be4 15.Ng5 Ne5 16.Be2 (16.Ne4? Ne4 17.Qc1 Nc4 18.Qc4 Nd2-+) 16...Bg6 17.Rac1 h6 18.Nf3 Nf3 19.Bf3 c6 20.Rfe1 Rfe8 21.Qc3 Be4 22.Be4 Ne4 23.Qb3 ½–½. Sala,Stefano – Niewold,Jaap (1730), TE.2004.P.01702, 2004.

10.d4 Qd7 A) 11.Bc3 Rfe8 (11...Bc3 12.Nc3 b5 13.Nh4 Rfe8 14.Nf5 Qf5 15.Bd3=; 11...Bb6 12.Nbd2 Rfe8 13.a4 Na5 14.Bb4 Rac8 15.Ne5=; 11...Rae8 12.Ba5 Na5 13.Nbd2 Qa4 14.Bd3 Ne4 15.Ng5=; 11...b5 12.Ba5 Na5 13.Nbd2 Rfe8 14.a4 b4 15.Rc1=) 12.Ba5 Na5 13.Nbd2 b5 14.a4 b4 15.Rc1=; B) 11.Bd3 Rfe8 (11...Bd3 12.Qd3 Rfe8 13.Bc3 Bb6 14.Nbd2 Qg4 15.Rfb1=; 11...Ne4 12.Nbd2 Nd2 13.Nd2 Bd3 14.cd3 Bd2 15.Qd2=; 11...Rae8 12.Ne5 Ne5 13.Bf5 Qf5 14.de5 Ng4 15.Qd5=) 12.Ne5 Ne5 13.Bf5 Qf5 14.de5 Ng4 15.Qd5+=; C) 11.Nbd2 Rfe8 (11...Rad8 12.c4 Bd2 13.Qd2 dc4 14.Bc4 Rfe8 15.Rfc1=; 11...Ne4 12.Ne4 de4 13.Nd2 Rfd8 14.Nb3 Bb6 15.c4=; 11...Rae8 12.c4 Bd2 13.cd5 Qd5 14.Nd2 Qd6 15.Bf3=; 11...Qe6 12.c4 Rfe8 13.Nh4 Bd2 14.Nf5 Qf5 15.Qd2=; 11...Bd2 12.Qd2 Ne4 13.Qc1 Rfe8 14.Nd2 Na5 15.Ne4=; 11...Rfd8 12.c4 Bd2 13.Qd2 dc4 14.Bc4 Be4 15.Be2=) 12.Nb3 Bb6 13.Bd3 Ne4 14.Nh4 Be6 15.Nf3=.

10.d4 Ne4 A) 11.Nbd2 Qf6 12.Ne4 de4 13.Nd2 Qg6 14.Kh1 Rad8 15.c4+=; B) 11.c4 Qd6 (11...dc4 12.Bc4 Qd6 13.d5 Rad8 14.Nh4 Be6 15.f3=; 11...Qd7 12.Nfd2 Rad8 13.cd5 Qd5 14.Nc4 Nd6 15.Na5=; 11...Rb8 12.Nfd2 Re8 13.cd5 Qd5 14.Nc4 Qb5 15.a4+/–) 12.c5 Qd7 13.Nfd2 Qe6 14.Ne4 Be4 15.Nd2=.

10.d4 Qe7 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Be6 14.c5 Rfe8 15.Nb3 =.

10.d4 Re8 A) 11.Bc3 Bc3 (11...Bb6 12.Nbd2 Ne4 13.Bb2 Ba5 14.Nb3 Bc3 15.Bc3=) 12.Nc3 Qd6 13.Nh4 Be6 14.Nf3 b5 15.Qd3+=; B) 11.Nbd2 Ne4 (11...Qd6 12.c4 Ne4 13.cd5 Qd5 14.Qb3 Rad8 15.Qd5=; 11...b5 12.a4 b4 13.Nb3 Ne4 14.Rc1 Bb6 15.c4=; 11...Qd7 12.c4 Bd2 13.Nd2 dc4 14.Bc4 b5 15.Be2=) 12.Nb3 Bc3 13.Bc3 Nc3 14.Qe1 Ne2 15.Qe2=; C) 11.c4 dc4 (11...Qd7 12.Ne5 Qe6 13.Qb3 Rad8 14.Qa4 Ne5 15.de5=) 12.Bc4 b5 13.Bd3 Qd5 14.Bf5 Qf5 15.Qb3=.

7.e3 d6

8.Be2 Be6 9.0-0 Qd7 10.Bf6 White gets the initiative 10...gf6 11.d4 (11.c3 Rfe8 (11...Ne7 12.d4 Rfe8 13.Qc2 b5 14.Bd3 f5 15.a4+/–) 12.d4 Ne7 13.Qc2 b5 14.Bd3 f5 15.a4+/–) 11...Bd5 (11...d5 12.Nbd2 Rfe8 13.Rb1 Rab8 14.Nb3 Bb6 15.Qd2+/–) 12.Nfd2 Rae8 (12...f5 13.Bf3 (13.c4 Be4 14.Nb3+/– Bb6 15.Nc3+/–) 13...Bf3 14.Qf3 Kh8 15.Ra2+/–) 13.c4+- Be4 14.Ne4 Re4 15.Ra2 (15.Bf3+-) 15...Rh4 16.Bd3 Ne7 (16...d5 17.c5+-) 17.Qf3 c6 18.Qf6 Rh5 19.Rb2 Qc7?? (19...d5+-) 20.g4 Rh2 (20...Re5 21.de5 de5 22.f4+-) 21.Kh2 Ng6 22.Kg2 c5 23.Rh1 cd4 24.Rh7 (24.Qd4!? Bb6 25.Qd5 Rc8+-) 24...Kh7 25.Bg6 fg6 26.Qf8 b6 (26...de3 27.fe3 Be1 28.g5+-) 27.ed4 (27.Rc2 Qb7 28.f3 Qg7 29.Qg7 Kg7 30.ed4 Kf7+-) 27...Qc4 28.Qe7 Kh6 29.Nd2 (better is 29.Re2 Qd4 30.Re4 Qe4 31.Qe4 Kh7 32.Qe7 Kg8+-) 29...Bd2 30.Rd2 Qb3 31.Re2 Qd5 32.Kg3 Qd4 1–0. Baciak,M – Stasek,T, OCC–2002–01, 2002.

8.Be2 Re8

9.0-0 a6

10.c4 Be6 11.Qc2 A) 11...Bd7 12.Rd1 (12.d4 Bg4 13.h3 Bh5 14.d5 Bf3 15.Bf3 Ne5=; 12.Bc3 Bg4 13.Ba5 Na5 14.h3 Bh5 15.d4 Bg6=; 12.d3 Bg4 13.h3 Bf5 14.Nc3 Ne5 15.e4 Bg6=; 12.Nc3 Bg4 13.d4 Qd7 14.Qb3 Rab8 15.d5 Ne5=; 12.Qb3 Rb8 13.d4 Ne7 14.Bc3 Bc3 15.Nc3 Nc6=; 12.Ng5 h6 13.Nf3 Bg4 14.d4 d5 15.h3 Be6=; 12.Ra2 Bg4 13.d4 d5 14.h3 Bh5 15.Rc1 Rb8=) 12...Qe7 13.d4 Ne4 14.d5 Nb8 15.Nbd2 Nc5+=; B) 11...h6 12.Rc1 (12.d3 Qe7 13.Nbd2 Rab8 14.Nb3 Bb6 15.d4 Bg4+=; 12.Rd1 d5 13.c5 Qe7 14.d3 Nd7 15.Rc1 Bf5=; 12.d4 d5 13.Nbd2 Bd2 14.Nd2 dc4 15.Nc4 Qd7=) 12...d5 13.c5 Qe7 14.d3 Bg4 15.Nbd2 Bd2+=; C) 11...Bg4 12.h3 (12.d4 d5 13.cd5 Qd5 14.Nc3 Qd6 15.Rfd1 Nd5=; 12.Qb3 Rb8 13.h3 Bh5 14.d4 Ne4 15.Qc2 Bg6=; 12.Rd1 Rb8 13.d4 d5 14.cd5 Nd5 15.Ne5 Be2=; 12.d3 Ne5 13.Nd4 Be2 14.Qe2 Qd7 15.f4 Neg4=) 12...Bh5 13.d3 Rb8 14.Nc3 Ne5 15.Ne5 de5=.

10.c4 Be6 11.d3 Rc8 (11...Rb8 12.Nbd2 (12.Qc2 Bg4 13.h3 Bf5 14.Nc3 Ne5 15.e4 Bg6=; 12.Ng5 Bf5 13.Nd2 Qe7 14.Nb3 Bb6 15.e4 Bd7=) 12...Qe7 13.Nb3 b5 14.Qc2 bc4 15.dc4 h6=; 11...b5 12.Qc2 (12.Nbd2 Rb8 13.Qc2 Bd2 14.cb5 ab5 15.Nd2 Rb6=; 12.Ng5 bc4 13.Bf3 Bd7 14.Qa4 c3 15.Nc3 Bc3=; 12.cb5 ab5 13.Ng5 Qe7 14.Ne6 Qe6 15.Qc2 Ne5=) 12...bc4 13.dc4 Bg4 14.c5 Ne4 15.cd6 Qd6=; 11...Ra7 12.Qc2 (12.Qa4 Bd7 13.Qc2 Qe7 14.Nc3 Ne5 15.Rab1 c5=; 12.Ng5 Bf5 13.e4 Bd7 14.Nd2 b5 15.Nb3 bc4=; 12.Nbd2 Qe7 13.Nb3 Bb6 14.d4 Bf5 15.Bd3 Bd3=) 12...Qe7 13.Nbd2 Bf5 14.Nb3 Bb6 15.Rab1 Ng4=; 11...Bf5 12.Nc3 (12.e4 Bd7 13.Qc2 b5 14.Nbd2 Qe7 15.Rfc1 Bb6=; 12.Nbd2 Bb6 13.Nb3 Qe7 14.Rb1 Rab8 15.Qc2 Ng4=; 12.Qb3 Rb8 13.Nc3 Ne5 14.d4 Nf3 15.Bf3 c6=; 12.Qa4 Qe7 13.Nc3 Bb6 14.Nd5 Nd5 15.cd5 Ne5=; 12.Qc2 Ne5 13.Nd4 Bg6 14.e4 Rb8 15.f4 Neg4=; 12.Qc1 Qe7 13.e4 Bg4 14.Qg5 Ne5 15.Rc1 c5=) 12...Qe7 13.Rb1 Rab8 14.e4 Bg4 15.Nd5 Nd5=; 11...d5 12.c5 (12.Qc2 dc4 13.dc4 Qe7 14.Bd3 Rad8 15.Ng5 g6=; 12.Nbd2 Qe7 13.Qc2 Bd2 14.Nd2 dc4 15.Rab1 cd3=) 12...Qe7 13.Qc2 Nd7 14.d4 Nf6 15.Bd3 Bd7=; 11...Qe7 12.Nbd2 (12.Qc2 Bf5 13.Nc3 Ne5 14.Nd4 Bd7 15.Rab1 c5=; 12.Nc3 d5 13.Qb3 dc4 14.dc4 Bc3 15.Qc3 Rad8=; 12.Ng5 Bf5 13.Nd2 Rab8 14.Qc2 Rbd8 15.Ngf3 d5=) 12...Rab8 13.Nb3 b5 14.Qc2 bc4 15.dc4 h6=; 11...Ng4 12.Nc3 (12.Nbd2 Nge5 13.Qc2 Qd7 14.d4 Nf3 15.Nf3 Bf5=; 12.Qc2 Qd7 13.Nc3 Nge5 14.Rfb1 Rab8 15.Ng5 Bg4=; 12.d4 d5 13.Nbd2 Nf6 14.Qc2 Bd2 15.Nd2 dc4=) 12...Nge5 13.Rb1 Rb8 14.Nd2 Bc3 15.Bc3 Qf6+=; 11...Bd7 12.Qc2 (12.Nc3 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 c5=; 12.Nbd2 Qe7 13.Rb1 Rab8 14.Nb3 Bb6 15.Qc2 Bf5=) 12...Qe7 13.Nc3 Rab8 14.d4 Bc3 15.Bc3 Bg4=) 12.Ng5 (12.Nbd2 Qe7 13.Rb1 Bb6 14.Ng5 Bf5 15.e4 Bd7=; 12.Qc2 Qe7 13.Nbd2 Bf5 14.Nb3 Bb6 15.Rab1 Rb8=) 12...Bf5 13.Nc3 Qe7 14.Rb1 Bb6 15.Nf3 Ne5 =.

10.c4 Bf5 11.Qb3 A) 11...Ra7 12.d3 (12.Nc3 Bc3 13.Qc3 b6 14.d3 Bg4 15.Nd4 Nd4=; 12.d4 Ne4 13.Nc3 Bc3 14.Bc3 Qf6 15.Rfc1 a5=; 12.Rd1 Bg4 13.d4 Ne4 14.Qc2 Ng5 15.Ng5 Qg5=) 12...Qe7 13.Nc3 Ne5 14.Rfd1 Nf3 15.Bf3 c6+=; B) 11...b6 12.Nc3 (12.d3 Rb8 13.Nc3 Ne5 14.Nd4 Bd7 15.f4 Ng6+=; 12.d4 Ne4 13.Nc3 Bc3 14.Bc3 Qf6 15.Bb2 Bg4=; 12.Rd1 Ne4 13.d3 Nc5 14.Qc2 Ne5 15.Bd4 Qe7=) 12...Bc3 13.Qc3 Ne5 14.Nd4 Bg4 15.f3 Bh5=; C) 11...Rb8 12.d4 (12.Nc3 Ne5 13.d4 Nf3 14.Bf3 c6 15.Rad1 Qc7=; 12.Rd1 Ne4 13.d3 Nc5 14.Qc2 b5 15.cb5 ab5=; 12.d3 b5 13.cb5 Rb5 14.Qc2 Rc5 15.Qd1 Nd5=; 12.Rc1 Ne4 13.d3 Nc5 14.Qc2 Ne5 15.Rd1 Qf6=) 12...Ne4 13.Nc3 Bc3 14.Bc3 Qf6 15.Rad1 b5=.

10.c4 Bf5 11.Nc3 Ne5 (11...Rb8 12.Qb3 (12.Rc1 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 c5=; 12.d3 b5 13.cb5 ab5 14.e4 Bg4 15.Rc1 b4=; 12.d4 Bc3 13.Bc3 Ne4 14.Bb2 Qf6 15.Ra2 Ne7=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Nf3 15.Bf3 c5=; 12.Ra2 d5 13.d3 Qd6 14.Qa1 dc4 15.dc4 Bc2=) 12...Bc3 13.Qc3 Bg4 14.d4 Qd7 15.d5 Bf3=; 11...Qd7 12.Ra2 (12.d3 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Rc1 Rad8=; 12.Qb3 Rab8 13.d4 Ne7 14.Rfd1 b5 15.cb5 ab5=; 12.Rc1 Ne5 13.d3 c6 14.Nd4 b5 15.f4 Ng6=; 12.d4 d5 13.cd5 Nd5 14.Rc1 Bc3 15.Bc3 b5=) 12...Ra7 13.d3 Qe7 14.Nd5 Nd5 15.cd5 Ne5+=; 11...Ra7 12.d3 (12.d4 d5 13.Qb3 Be6 14.cd5 Nd5 15.Nd5 Bd5=; 12.Nd5 Nd5 13.cd5 Ne7 14.Qa4 Bb6 15.Qf4 Bg6=; 12.Qb3 Bc3 13.Qc3 Qe7 14.d3 Ne5 15.Ne5 de5=; 12.Rc1 Ne5 13.d3 Qe7 14.Nd5 Nd5 15.cd5 Raa8=) 12...d5 13.Nd5 Nd5 14.cd5 Qd5 15.e4 Qe6+=; 11...Rc8 12.d3 (12.Qb3 Rb8 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4 Bd7=; 12.d4 Rb8 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=; 12.Rc1 Ne5 13.d3 Qe7 14.Nd4 Bg6 15.Nb3 Bc3=; 12.Ra2 Qe7 13.d4 b6 14.Qa4 Qd7 15.d5 Ne5=) 12...d5 13.Nd5 Nd5 14.cd5 Qd5 15.e4 Qe6+=; 11...Qe7 12.d4 (12.d3 Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Rb1 c5=; 12.Qb3 Bc3 13.Qc3 b6 14.d3 Ne5 15.Rae1 c5=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Rab8 15.Rb1 c5=; 12.Rc1 Ne5 13.d3 c6 14.Nd4 Bg6 15.Nb3 Bc3=) 12...Bc3 13.Bc3 Ne4 14.Bb2 b6 15.Bd3 Bg4+=; 11...Bc3 12.Bc3 Ne4 13.Bb2 Qe7 14.d3 Nc5 15.d4 Qf6+=; 11...Be6 12.Rc1 (12.d4 d5 13.Ng5 Bf5 14.Nd5 Nd5 15.cd5 Qd5=; 12.Qc2 Ne5 13.d3 Bg4 14.Ne5 de5 15.Rfd1 b6=; 12.Rb1 d5 13.cd5 Nd5 14.Qc2 Qd7 15.Bd3 h6=; 12.Qb1 d5 13.cd5 Nd5 14.Bd3 h6 15.Bh7 Kh8=; 12.Qa4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Rfc1 Rab8=) 12...d5 13.cd5 Nd5 14.Na4 Qe7 15.Qc2 Bg4+=; 11...Bg4 12.Rb1 (12.Nd4 Ne5 13.f3 Bd7 14.Rb1 c5 15.Nc2 Rb8=; 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Qf6 15.Bb2 Qg6=; 12.Qb3 Ra7 13.d4 Bc3 14.Qc3 d5 15.Rfd1 Ne4=; 12.d3 Qe7 13.Nd4 Bd7 14.Nc6 Bc6 15.Bf3 Qe5=; 12.Rc1 Qd7 13.d4 d5 14.cd5 Nd5 15.Nd5 Qd5+=; 12.Re1 Qe7 13.d3 Be6 14.d4 d5 15.cd5 Bc3=) 12...d5 13.Qb3 Bc3 14.Bc3 d4 15.Bd4 Nd4+=) 12.d3 (12.d4 Nf3 13.Bf3 c6 14.d5 c5 15.Qb3 Rb8=; 12.Qb3 Nd3 13.Bd3 Bd3 14.Rfe1 Nd7 15.Qb7 Nb6+=; 12.Nd4 Bd3 13.Bd3 Nd3 14.Qc2 Nb2 15.Qb2 Rb8=) 12...Qe7 13.Nd4 Bd7 14.Nd5 Nd5 15.cd5 Rab8 =.

10.c4 Bf5 11.d3 A) 11...Rb8 12.Qa4 (12.Nbd2 Bb6 13.Rb1 Qe7 14.Qc2 Ng4 15.e4 Bg6=; 12.Nc3 b5 13.cb5 ab5 14.e4 Bg4 15.Rc1 b4=; 12.Qc2 Bg4 13.h3 Bf5 14.Nc3 Ne5 15.Nd4 Bg6=; 12.e4 Bd7 13.Qc2 Qe7 14.Nc3 Ne5 15.Rab1 Nf3=; 12.Qb3 b5 13.cb5 Rb5 14.Qc2 Rc5 15.Qa4 Nd5=) 12...b5 13.cb5 Rb5 14.Bc3 Nd7 15.Ba5 Na5=; B) 11...Qe7 12.Nc3 (12.Qb3 Rab8 13.Nc3 Ne5 14.Nd5 Nd5 15.cd5 Nf3=; 12.Nbd2 b5 13.a4 b4 14.Nb3 Bb6 15.a5 Ba7=; 12.Qc2 Ne5 13.Nbd2 Bg4 14.d4 Nf3 15.Nf3 Ne4=) 12...Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Rb1 Nf3=; C) 11...Ra7 12.Nbd2 (12.Nc3 d5 13.cd5 Bc3 14.Bc3 Nd5 15.Bb2 Qd6=; 12.e4 Bd7 13.Nc3 Ne5 14.Nd5 b5 15.Nf6 Qf6=; 12.Qb3 Qe7 13.Nc3 Ne5 14.Rfd1 Nf3 15.Bf3 c6+=; 12.Qa4 Bd7 13.Qc2 Qe7 14.Nc3 Ne5 15.Nd5 Nd5=) 12...Bb6 13.Nb3 Qe7 14.a4 a5 15.Nfd4 Bd7+=; D) 11...Bb6 12.Nc3 (12.Re1 Rb8 13.Nc3 Qe7 14.e4 Bg4 15.Nd5 Nd5=; 12.d4 Ba5 13.d5 Ne5 14.Nd4 Bg4 15.Nb3 Be2=; 12.Qb3 d5 13.cd5 Nd5 14.Nc3 Be6 15.Nd5 Bd5=; 12.Nbd2 Qe7 13.Rb1 Nd7 14.Nb3 Nde5 15.Qc2 Rad8=; 12.Qc2 Qe7 13.Nbd2 Ng4 14.e4 Bg6 15.Qb3 Nge5=; 12.Ra2 Qe7 13.Nc3 Rab8 14.e4 Bg4 15.Nd5 Nd5=) 12...Qe7 13.Rb1 Ne5 14.Na4 Ba5 15.e4 Nf3=; E) 11...Ne5 12.Qb3 (12.Nc3 Rb8 13.Rc1 b5 14.cb5 ab5 15.Qc2 c5=; 12.Nd4 Bd7 13.Nb3 Ba4 14.d4 Nc6 15.Qd3 d5=) 12...Rb8 13.Ne5 de5 14.d4 ed4 15.Bd4 b6=; F) 11...Rc8 12.Nbd2 (12.e4 Bd7 13.Nc3 Ne5 14.Rb1 c6 15.Ne5 de5=; 12.Qb3 Rb8 13.Nc3 Ne5 14.d4 Nf3 15.Bf3 Qd7=; 12.Nc3 Qe7 13.Rb1 Ne5 14.Nd4 Bd7 15.Nd5 Nd5=; 12.Qa4 Qe7 13.Nc3 Bb6 14.d4 Rb8 15.Rfc1 Qd7=) 12...Bb6 13.Nb3 Rb8 14.Qc2 Qe7 15.Rac1 Nd7=; G) 11...b6 12.Nfd2 (12.Nc3 Bc3 13.Bc3 Qe7 14.Rb1 Ne5 15.e4 Bd7+=; 12.Nbd2 b5 13.e4 Bg4 14.a4 b4 15.h3 Bd7=; 12.e4 Bd7 13.Nbd2 b5 14.Qc2 Qe7 15.Rfb1 Bb6=) 12...Rb8 13.Nb3 Nd7 14.e4 Qe7 15.f4 Nc5+=; H) 11...Bd7 12.Qc2 (12.Nc3 Rb8 13.Qc2 Ne5 14.d4 Nf3 15.Bf3 Bg4=; 12.Nbd2 Qe7 13.Nb3 Bb6 14.a4 a5 15.d4 Ne4=) 12...Qe7 13.Nc3 Rab8 14.d4 Bc3 15.Bc3 Bg4=; I) 11...b5 12.Nbd2 (12.cb5 ab5 13.d4 Qb8 14.Qb3 Na7 15.d5 Ne4=; 12.Qc2 bc4 13.Qc4 Ne5 14.Be5 de5 15.d4 ed4=; 12.e4 Bg4 13.cb5 ab5 14.a4 ba4 15.Ra4 Bd7=; 12.d4 bc4 13.Bc4 d5 14.Bd3 Be4 15.Qe2 Qd6=; 12.Qb3 Rb8 13.cb5 Rb5 14.Qc2 Rc5 15.Qa4 Nd5=) 12...Qe7 13.a4 b4 14.Nb3 Bb6 15.a5 Ba7=.

10.c4 Bg4 11.Qb3 A) 11...Rb8 12.d3 (12.h3 Bh5 13.d4 Ne4 14.Qc2 Bg6 15.Bd3 Ng5=; 12.Rc1 Ne5 13.Qd1 Bf3 14.Bf3 Nd3 15.Rc2 d5=; 12.d4 Ne4 13.Qc2 d5 14.cd5 Qd5 15.Nc3 Bc3=; 12.Bc3 Bc3 13.Nc3 Na5 14.Qa2 c6 15.a4 b6=; 12.Qd1 d5 13.cd5 Nd5 14.d3 Qd6 15.Nbd2 Qe6=) 12...Ne5 13.Qd1 b5 14.Ne5 Be2 15.Nf7 Bd1+=; B) 11...b6 12.Qc2 (12.h3 Bh5 13.d4 Ne4 14.Qc2 Bg6 15.Bd3 Ng5=; 12.d4 Ne4 13.Qc2 Ng5 14.Ng5 Qg5 15.Bg4 Qg4=; 12.Qd1 Rb8 13.d4 b5 14.cb5 ab5 15.d5 Ne5=; 12.d3 Rb8 13.Nc3 Ne5 14.Qd1 Bf5 15.e4 Bd7=) 12...Ne5 13.Qd1 Bf5 14.Nd4 Bg6 15.d3 Qe7+=; C) 11...Ra7 12.Qa4 (12.h3 Bh5 13.d4 Ne4 14.Qc2 Bg6 15.Bd3 Ng5=; 12.d3 Ne5 13.Nd4 Be2 14.Ne2 c6 15.d4 Ned7=; 12.d4 Ne4 13.Qc2 d5 14.cd5 Qd5 15.Nc3 Bc3=; 12.Rd1 Ne5 13.Nd4 Be2 14.Ne2 Ne4 15.Bd4 Qh4=; 12.Rc1 Ne5 13.Qd1 Bf3 14.Bf3 Nd3 15.Rc2 d5=) 12...Qe7 13.d3 Bd7 14.Qc2 Ne5 15.Nbd2 Bd2=.

10.c4 Bg4 11.Nc3 A) 11...Rb8 12.Rb1 (12.d4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Rc1 Rbd8=; 12.Rc1 d5 13.d3 dc4 14.dc4 Qc8 15.Nd5 Ne4=; 12.Nd4 Bc3 13.Nc6 Be2 14.Qe2 bc6 15.Bc3 Ne4=; 12.d3 Be6 13.Qc2 Qd7 14.Rab1 Ne5 15.Nd1 Bf5=; 12.h3 Be6 13.d4 d5 14.cd5 Nd5 15.Qc2 Bc3=) 12...Qd7 13.d3 d5 14.Na4 dc4 15.Bf6 gf6+=; B) 11...Qe7 12.Nd5 (12.d3 Bf5 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 Bb6=; 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 b6 15.Bb2 Ng5=; 12.Rb1 Bf5 13.d3 Rab8 14.e4 Bd7 15.Nd5 Nd5=) 12...Nd5 13.cd5 Ne5 14.d3 Rad8 15.Rb1 Rb8=; C) 11...Bf5 12.d3 (12.d4 Rb8 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=; 12.Qb3 Bc3 13.Qc3 b6 14.d3 Ne5 15.Nd4 Bd7=; 12.Rc1 Ne5 13.d3 Qe7 14.Nd5 Nd5 15.cd5 Nf3=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Nf3 15.Bf3 Bb6=) 12...Qe7 13.Rb1 Rab8 14.e4 Bd7 15.Nd5 Nd5=; D) 11...Qd7 12.Rb1 (12.d4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Rc1 Rad8=; 12.d3 Qe6 13.Ng5 Be2 14.Qe2 Qf5 15.Nce4 Ne4=; 12.Nd5 Nd5 13.cd5 Ne7 14.Qb3 Bf5 15.d3 Qb5=; 12.h3 Be6 13.d3 Rab8 14.e4 Ne5 15.Nd5 Bd5=; 12.Qb3 Ne5 13.Qb7 Nc4 14.Qb3 Nb2 15.Qb2 Bf5+=) 12...Rab8 13.d3 d5 14.Na4 dc4 15.Bf6 gf6+=; E) 11...Be6 12.Rc1 (12.d4 d5 13.Ng5 Bf5 14.Nd5 Nd5 15.cd5 Qd5=; 12.Qc2 Ne5 13.d3 Qe7 14.Nd4 Bd7 15.Rab1 c5=; 12.Rb1 d5 13.Qb3 Rb8 14.d4 Bc3 15.Qc3 Ne4=; 12.Qa4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Rfc1 Rab8=) 12...Qd7 13.d4 d5 14.cd5 Nd5 15.Na4 Qd6+=; F) 11...Ra7 12.Nd4 (12.d3 d5 13.Nd4 Be2 14.Nce2 Ne5 15.Nb3 c6=; 12.d4 Bc3 13.Bc3 d5 14.Qb3 dc4 15.Bc4 Be6=; 12.Rb1 d5 13.cd5 Nd5 14.Nd5 Qd5 15.d3 Be6=; 12.Rc1 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Qa4 Bd7=; 12.h3 Be6 13.d4 d5 14.cd5 Nd5 15.Qc2 Bc3=) 12...Bc3 13.Nc6 Be2 14.Qe2 bc6 15.Bc3 Ne4+=; G) 11...d5 12.cd5 (12.d3 dc4 13.dc4 Bc3 14.Bc3 Ne4 15.Bb2 Qe7=; 12.Qb3 dc4 13.Bc4 Qd7 14.Be2 Rad8 15.d3 b5=) 12...Nd5 13.Qc2 Qd7 14.Ne4 Bb6 15.Rae1 Rad8=.

10.c4 Bg4 11.d3 Bf5 (11...Be6 12.Nbd2 (12.Ng5 Bf5 13.e4 Bd7 14.Nd2 b5 15.Rc1 Bb6=) 12...Qe7 13.Nb3 b5 14.Nbd4 Na7 15.Ne6 fe6+=; 11...d5 12.Nbd2 (12.h3 Bf5 13.Nbd2 Bd2 14.cd5 Bc3 15.Bc3 Nd5=; 12.Nc3 dc4 13.dc4 Bc3 14.Bc3 Ne4 15.Bb2 Qe7=; 12.c5 Qe7 13.Qa4 Rad8 14.Nbd2 Bd2 15.Bf6 Qf6=; 12.cd5 Nd5 13.Qa4 Qd7 14.Rc1 Bb6 15.Nc3 Ne3+=; 12.Nfd2 Be2 13.Qe2 Qe7 14.Qf3 Ne5 15.Be5 Qe5=; 12.Qb3 Rb8 13.Nc3 d4 14.Nd5 de3 15.Bf6 ef2=) 12...Bd2 13.cd5 Bf3 14.Bf3 Nd5 15.Qd2 Qd6+=; 11...b5 12.Nbd2 (12.Qc2 Ne5 13.Ne5 de5 14.Bg4 Ng4 15.cb5 ab5=; 12.cb5 ab5 13.d4 Qb8 14.d5 Bf3 15.gf3 Ne5=; 12.h3 Bf5 13.cb5 ab5 14.d4 Na7 15.d5 Be4=) 12...Rb8 13.cb5 ab5 14.Nb3 Bb6 15.d4 Ba7+=; 11...Qe7 12.Nc3 (12.Nbd2 Bb6 13.Rb1 Bf5 14.Nb3 Rab8 15.Re1 Qe6+=; 12.Nd4 Bd7 13.Nc6 Bc6 14.Bf3 d5 15.Nc3 dc4=; 12.Qc2 Ne5 13.Nd4 Be2 14.Qe2 Bb6 15.Nf3 Qe6=) 12...Ne5 13.Ne5 Qe5 14.Qb3 Qe6 15.Bg4 Ng4+=; 11...Rb8 12.Nbd2 (12.Nc3 d5 13.Qc2 dc4 14.dc4 Bc3 15.Rad1 Nd4=) 12...Qe7 13.Nb3 Bb6 14.Rb1 Bf5 15.Re1 Ng4=; 11...Bd7 12.Qc2 (12.Nc3 Rb8 13.Qc2 Ne5 14.Rfd1 Bf5 15.Ne5 de5=; 12.Nbd2 Qe7 13.Nb3 Bb6 14.Qc2 a5 15.Rab1 a4=) 12...Qe7 13.Nc3 Rab8 14.d4 Bc3 15.Bc3 Ne4=) 12.Nbd2 (12.e4 Bd7 13.Nbd2 Qe7 14.Qc2 Nh5 15.Rfe1 Nf4=; 12.Nc3 Qe7 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 Bb6=; 12.Qb3 Rb8 13.Nc3 Ne5 14.d4 Nf3 15.Bf3 c6=; 12.Qa4 Bd7 13.Qb3 Rb8 14.Nc3 Ne5 15.d4 Nf3=; 12.Qc2 Qe7 13.Nc3 Ne5 14.Nd4 Bd7 15.Rab1 c5=; 12.Qc1 Qe7 13.e4 Bg4 14.Qg5 Ne5 15.Rc1 c5=) 12...Bb6 13.Nb3 Qe7 14.Rb1 Rab8 15.Qc2 Ng4 =.

10.c4 Bg4 11.d4 A) 11...Bf5 12.Nbd2 (12.Nc3 Rb8 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=; 12.d5 Ne5 13.Nd4 Bg4 14.Nb3 Be2 15.Qe2 c6=; 12.Bd3 Bd3 13.Qd3 d5 14.Bc3 dc4 15.Qc4 Bb6=; 12.Qb3 Rb8 13.Nc3 Ne4 14.Ne4 Be4 15.Rad1 Na7=; 12.Nh4 Bd7 13.Bd3 Bg4 14.Qb3 Rb8 15.Nf5 b5=) 12...Qe7 13.Nb3 Bb6 14.Rc1 Ne4 15.Bd3 Bg4=; B) 11...Qd7 12.Nbd2 (12.d5 Ne5 13.Ne5 de5 14.f4 Be2 15.Qe2 Qg4=) 12...Bd2 13.Qd2 d5 14.Ne5 Ne5 15.de5 Be2+=; C) 11...Qe7 12.Qc2 (12.d5 Ne5 13.Ne5 Be2 14.Qe2 de5 15.e4 Rab8=; 12.Nc3 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 b6=) 12...Ne4 13.d5 Nb8 14.Nd4 Be2 15.Qe2 Qg5=; D) 11...d5 12.cd5 (12.Qb3 Qd7 13.Rc1 dc4 14.Bc4 Bf3 15.gf3 Rab8=) 12...Nd5 13.Qc2 Qf6 14.Nc3 Bc3 15.Bc3 Bf5=.

10.c4 Bb6

11.Qb3 A) 11...Bf5 12.d4 (12.Nc3 Qe7 13.Na4 Ba5 14.Qb7 Ne5 15.Qb3 Nf3=; 12.d3 d5 13.cd5 Nd5 14.Nc3 Be6 15.Nd5 Bd5=; 12.Rc1 Ne4 13.d4 Qe7 14.Bd3 Rad8 15.Nc3 Nc3=; 12.Rd1 Qe7 13.d4 Ra7 14.Nc3 Na5 15.Qa4 Nc6=) 12...Qe7 13.Nc3 Na5 14.Qd1 Rab8 15.Rc1 c6=; B) 11...Qe7 12.Rd1 (12.d4 Bf5 13.Nc3 Na5 14.Qd1 Rab8 15.Rc1 Ba7=; 12.Nc3 Rb8 13.d4 Bf5 14.Rfd1 Ba5 15.d5 Ne5=) 12...Bg4 13.d4 a5 14.Nc3 Rab8 15.Nd5 Nd5=; C) 11...Rb8 12.Rc1 (12.Nc3 Bf5 13.d4 Ba5 14.Nh4 Bd7 15.Bd3 Bc3=; 12.Qc2 Bg4 13.d4 Qd7 14.d5 Ne5 15.Nbd2 Bc5=; 12.d3 Bg4 13.Nc3 Ne5 14.Ne5 de5 15.Bg4 Ng4=; 12.Rd1 d5 13.cd5 Nd5 14.Qc2 Bg4 15.h3 Bh5=; 12.Re1 Bf5 13.Nc3 Qe7 14.d4 Ba5 15.Rad1 b5=; 12.d4 Bf5 13.Nc3 Ba5 14.Rfd1 Bc3 15.Qc3 Qe7=; 12.Ra2 Bf5 13.d4 d5 14.Nbd2 dc4 15.Nc4 Qd5=) 12...Bg4 13.d4 Ba5 14.Nc3 Qd7 15.Nd5 Ne4=; D) 11...Bg4 12.d4 (12.h3 Bf5 13.Nc3 Rb8 14.d4 Na5 15.Qd1 d5=) 12...Ne4 13.Rd1 Qe7 14.Nc3 Na5 15.Qa4 Nf6+=; E) 11...Bd7 12.Nc3 (12.d4 Bf5 13.Nc3 Rb8 14.Rad1 Ba5 15.d5 Ne5=) 12...Rb8 13.d4 Bf5 14.Rad1 Ba5 15.d5 Ne5=; F) 11...Be6 12.Ng5 (12.Qc2 Bg4 13.h3 Bh5 14.Nc3 Qe7 15.Rab1 Rab8=; 12.d4 Bf5 13.Nc3 Na5 14.Qd1 Qe7 15.Re1 Nc6=; 12.Nc3 d5 13.cd5 Nd5 14.Qc2 Qd7 15.Nd5 Bd5=) 12...Bd7 13.c5 Bc5 14.Qf7 Kh8 15.d4 Bb6+=; G) 11...Ra7 12.Rd1 (12.Nc3 Qe7 13.d4 Bf5 14.Nd5 Nd5 15.cd5 Na5=; 12.d4 Bf5 13.Rd1 d5 14.c5 Ba5 15.Ne5 Ne5=; 12.Qc2 Bg4 13.d4 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Re1 Bg4 13.Nc3 Qe7 14.d3 Ba5 15.h3 Bh5=; 12.d3 Bg4 13.Nc3 Ba5 14.Nd5 Nd5 15.cd5 Ne5=; 12.Rc1 Bg4 13.d4 Ne4 14.Qc2 Ng5 15.Nbd2 Ba5+=; 12.Ra2 Bf5 13.Nc3 Qe7 14.d4 Na5 15.Qd1 Be6=) 12...d5 13.Bf6 Qf6 14.cd5 Na5 15.Qb4 c5+=; H) 11...Na5 12.Qc2 Qe7 13.d4 Bg4 14.Nbd2 Nc6 15.Rab1 Rab8+=; I) 11...d5 12.cd5 (12.Qc2 Qd6 13.d4 dc4 14.Nbd2 Na5 15.Ne5 Be6=) 12...Nd5 13.Nc3 Be6 14.Nd5 Qd5 15.Qc3 f6=.

11.Qc2 A) 11...Qe7 12.Nc3 (12.d4 Bg4 13.Nc3 Qd7 14.Rfb1 Bf5 15.Bd3 Bd3=) 12...Ba5 13.d4 Bc3 14.Bc3 Ne4 15.Bb2 Bg4+=; B) 11...Rb8 12.d4 (12.Nc3 Bg4 13.d4 Ba5 14.Rab1 d5 15.cd5 Nd5=; 12.Rd1 Qe7 13.d4 Bg4 14.Nbd2 Bh5 15.Bd3 Bg4+=) 12...Ba5 13.Nbd2 Bd2 14.Nd2 Qe7 15.Rab1 Bg4+=; C) 11...Bd7 12.d4 (12.Nc3 Ba5 13.Rab1 Bg4 14.h3 Bh5 15.d3 Ne5=; 12.Rd1 Ba5 13.d4 Bg4 14.Bc3 Qe7 15.Ba5 Na5+=) 12...Bg4 13.d5 Bf3 14.Bf3 Ne5 15.Be2 c6+=; D) 11...Ra7 12.d4 (12.Nc3 Bg4 13.d4 Qd7 14.Rfd1 Ba5 15.d5 Ne5=; 12.Rd1 Bg4 13.d4 Ba5 14.c5 d5 15.Bc3 Bc3=) 12...Bg4 13.d5 Bf3 14.Bf3 Ne5 15.Be2 Nfg4+=; E) 11...d5 12.Ra2 (12.cd5 Nd5 13.Bd3 h6 14.Bh7 Kh8 15.Be4 Be6=; 12.Bd3 dc4 13.Bc4 Na5 14.Ba2 Be6 15.Ng5 Ba2=; 12.d4 dc4 13.Nbd2 c3 14.Bc3 Nd5 15.Bd3 Nc3+=; 12.c5 Ba5 13.d3 Bg4 14.Nbd2 Bd2 15.Qd2 Ra7+=; 12.Rc1 Bg4 13.h3 Bh5 14.c5 Ba5 15.d3 Rb8=) 12...d4 13.c5 Be6 14.Ra1 Ba5 15.Nd4 Nd4+/–; F) 11...Ba5 12.d3 (12.Nc3 Bg4 13.h3 Bh5 14.Rab1 Rb8 15.d3 Qe7=; 12.Bc3 Bg4 13.Ba5 Na5 14.h3 Bh5 15.d4 Bg6=; 12.d4 Bg4 13.h3 Bh5 14.Qb3 Rb8 15.Nc3 Bg6=; 12.Rd1 Bg4 13.d4 Qe7 14.Nc3 Bc3 15.Bc3 Ne4=) 12...Qe7 13.Nc3 Bf5 14.Nd5 Nd5 15.cd5 Ne5=; G) 11...Bg4 12.d4 (12.h3 Bh5 13.Nc3 Bg6 14.d3 Ne5 15.Na4 Ba5=; 12.Nc3 Ne5 13.Ne5 de5 14.f4 Be2 15.Ne2 Ne4=; 12.d3 Qe7 13.Nc3 Rab8 14.d4 Qd7 15.Rfd1 Ba5=) 12...Qd7 13.d5 Ne5 14.Nbd2 Bc5 15.h3 Bf5=.

11.Nc3 A) 11...Bg4 12.d3 (12.d4 d5 13.Ne5 Be2 14.Ne2 Ne7 15.c5 Ba5=; 12.Nd5 Nd5 13.cd5 Ne7 14.Qb3 Qd7 15.a4 Ba5=; 12.Rc1 Qe7 13.d4 Ba5 14.Nd5 Qd8 15.Bd3 Ne4=; 12.Rb1 d5 13.Na4 dc4 14.Nb6 cb6 15.Bf6 Qf6=; 12.Qc2 Ne5 13.Ne5 de5 14.f4 Be2 15.Ne2 Ne4=; 12.h3 Bf5 13.d3 Qe7 14.Qc2 Ne5 15.Rfb1 Rab8=) 12...Qe7 13.Rb1 Rad8 14.Na4 Nd7 15.Nb6 Nb6+=; B) 11...d5 12.Na4 (12.d4 dc4 13.Bc4 Bg4 14.Qb3 Bh5 15.Ne5 Ne5+=; 12.cd5 Nd5 13.Qc2 Bg4 14.d3 Be6 15.Rfb1 Qd7=) 12...dc4 13.Bc4 Ba5 14.Ng5 Be6 15.Ne6 fe6+/–; C) 11...Qe7 12.d4 (12.Qc2 Ne5 13.d4 Nf3 14.Bf3 Rb8 15.Rab1 Ba5=; 12.Qb1 Ba5 13.Ng5 Bc3 14.Bc3 h6 15.Nf3 Ne4=; 12.Qb3 Rb8 13.d4 Bf5 14.Rac1 Bg6 15.Rcd1 Bf5=) 12...Bg4 13.Rb1 Rab8 14.Bd3 Qd7 15.Nd5 Nd5+=; D) 11...Bf5 12.d3 (12.d4 Ba5 13.Qb3 Rb8 14.d5 Ne5 15.Nd4 Bg6=; 12.Qb3 Qe7 13.Na4 Ba5 14.Qb7 Ne5 15.Qb3 Nf3=; 12.Qa4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Bc4 Qd6=; 12.Rc1 Rb8 13.Na4 Ba5 14.d3 Qe7 15.c5 Nd7=; 12.Re1 Ba5 13.Qb3 Rb8 14.d4 Qe7 15.Rad1 b5=; 12.Ra2 Ba5 13.Qb3 Rb8 14.Nd5 Nd5 15.cd5 Ne5=; 12.Nh4 Be6 13.d4 d5 14.c5 Ba5 15.Nf3 Qe7=) 12...Qe7 13.d4 Ba5 14.Nd5 Nd5 15.cd5 Na7=.

11.d3 A) 11...Qe7 12.Nbd2 (12.d4 Bf5 13.Nc3 Ba5 14.Nd5 Nd5 15.cd5 Na7=; 12.Re1 Bf5 13.Nc3 Rab8 14.Rb1 Ne5 15.e4 Bg6=; 12.Nc3 Bf5 13.Qc2 Ne5 14.Rab1 Rab8 15.Nd5 Nd5=) 12...Ng4 13.d4 Ne3 14.fe3 Qe3 15.Rf2 Nd4=; B) 11...Be6 12.Qc2 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3 d5 15.c5 Ba5=; 12.Nc3 Ba5 13.e4 Ne5 14.Nd4 Bd7 15.Nb3 Bc3=; 12.Nbd2 Bf5 13.Nb3 Ng4 14.Nfd4 Qh4 15.h3 Bd4=) 12...Bf5 13.Nc3 Ne5 14.Rab1 Qe7 15.Nd5 Nd5=; C) 11...d5 12.Qc2 (12.d4 dc4 13.Bc4 Be6 14.Be6 Re6 15.Nc3 Ba5=; 12.cd5 Nd5 13.Qc2 Be6 14.Nc3 Qe7 15.Na4 Ba7=) 12...Qe7 13.Nbd2 Be6 14.Rfb1 Rab8 15.Bf6 Qf6=; D) 11...Rb8 12.Re1 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3 Ba5 15.Bc3 d5=; 12.Nbd2 Bf5 13.Rb1 Qe7 14.Qc2 Ng4 15.e4 Bg6=; 12.Nc3 Bf5 13.Rb1 Ne5 14.Qc2 Qe7 15.Nd5 Nd5=; 12.Qb3 Bf5 13.Nc3 Qe7 14.Nd5 Nd5 15.cd5 Ne5=; 12.Qc2 Bf5 13.Nc3 Ne5 14.Rab1 Qe7 15.Nd5 Nd5=) 12...Ba5 13.Nbd2 Ne5 14.Rf1 b5 15.cb5 ab5=; E) 11...Bg4 12.Nbd2 (12.Nc3 Rb8 13.Nd5 Nd5 14.cd5 Ne7 15.Qb3 Qd7=; 12.Qc2 Qe7 13.Nc3 Rab8 14.d4 Qd7 15.Rfb1 Bf5=; 12.d4 d5 13.h3 Be6 14.c5 Ba5 15.Qa4 Ne4=; 12.Re1 Ba5 13.Nc3 b5 14.d4 bc4 15.Bc4 Ne4=) 12...Qe7 13.Rb1 Rad8 14.h3 Bf5 15.Nb3 d5+=; F) 11...Ra7 12.Re1 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3 d5 15.c5 Ba5=; 12.Qc2 Bg4 13.Nc3 Ne5 14.Ne5 de5 15.Bg4 Ng4=; 12.Nc3 Qe7 13.Rb1 Ne5 14.Na4 Ba5 15.c5 Ra8=; 12.Nbd2 Qe7 13.Rb1 Ng4 14.e4 Nge5 15.Re1 Bd7=) 12...d5 13.cd5 Nd5 14.Nbd2 Be6 15.Nc4 Bc5+=; G) 11...Ne5 12.Nbd2 (12.Nc3 Bf5 13.Rb1 Qe7 14.e4 Bd7 15.d4 Ng6=; 12.Re1 Ba5 13.Bc3 c6 14.d4 Nf3 15.Bf3 Be6=; 12.d4 Nf3 13.Bf3 c6 14.Nc3 Bf5 15.d5 Rc8=) 12...Qe7 13.d4 Nf3 14.Bf3 Rb8 15.Qc2 Be6=; H) 11...Ba5 12.Nbd2 (12.Nc3 Be6 13.e4 Ne5 14.Nd4 Bd7 15.Rb1 c5=; 12.Qc2 Bg4 13.Nbd2 Ne5 14.h3 Bh5 15.d4 Nf3=; 12.Qa4 Bd7 13.Qb3 Rb8 14.Nc3 Ne5 15.d4 Nf3=; 12.Qb3 Rb8 13.Nc3 Bg4 14.h3 Bf3 15.Bf3 Ne5=) 12...Bg4 13.Rb1 Bb6 14.Nd4 Be2 15.Ne2 Ng4=; I) 11...Bf5 12.Re1 (12.Nc3 Qe7 13.Qc2 Ne5 14.Nd5 Nd5 15.cd5 Bg4=; 12.d4 Ba5 13.d5 Ne5 14.Nd4 Bg4 15.Nb3 Be2=; 12.Qb3 d5 13.cd5 Nd5 14.Nc3 Be6 15.Qc2 Qd7=; 12.Nbd2 Qe7 13.Rb1 Rad8 14.Qc2 Rb8 15.Nb3 Ng4=; 12.Qd2 Qe7 13.Nc3 Ne5 14.Rfe1 Ba5 15.Nd4 Bd7=; 12.Qc2 Qe7 13.Nbd2 Ng4 14.e4 Bg6 15.Rae1 Nge5=; 12.Ra2 Qe7 13.Nc3 Ne5 14.e4 Be6 15.Nd5 Nd5=; 12.e4 Bd7 13.Nbd2 Qe7 14.Re1 Ng4 15.d4 Qf6+=) 12...Ba5 13.Nbd2 Ne5 14.Qc2 b5 15.Reb1 c6=.

11.d4 Ba5 12.Qb3 (12.Nbd2 Bd2 13.Qd2 Bf5 14.d5 Ne4 15.Qd1 Ne5+=; 12.Qc2 Bg4 13.h3 Bh5 14.d5 Bf3 15.Bf3 Ne5=; 12.Bc3 Qe7 13.Ba5 Na5 14.Bd3 Bg4 15.Nbd2 b6=; 12.Bd3 Bg4 13.h3 Bh5 14.Bc3 d5 15.c5 Bc3=; 12.Nc3 Bf5 13.Rc1 Rb8 14.Bd3 Bd3 15.Qd3 Bc3=; 12.Qa4 Ne4 13.d5 Nc5 14.Qc2 Ne5 15.Bd4 Nf3=; 12.Qd3 Bg4 13.Bc3 Qc8 14.Ba5 Na5 15.Nbd2 b6=) 12...Rb8 13.Bd3 Bg4 14.Nbd2 Qd7 15.Qc2 Qe7+=.

11.d4 d5 12.Nbd2 (12.Ne5 Rb8 13.Bf3 Ne7 14.c5 Ba7 15.Nc3 b6=) 12...Ne7 (12...Bf5 13.c5 Ba7 14.Nh4 Bd7 15.Rb1 Ne7=) 13.Rc1 (13.c5 Ba7 14.Ne5 Bf5 15.Qb3 Rb8+=) 13...c6 (13...Bf5 14.Ne5 c6 15.cd5 Ned5=) 14.Re1 Bc7 15.Qc2 (15.cd5 Ned5=) 15...Bf5 Black gets in control 16.Bd3 Bd3 17.Qd3 Ng6 18.cd5 cd5 19.e4 (19.Rc2 Rc8=) 19...de4 20.Ne4 Nf4 21.Nf6 Qf6 22.Re8? (better is 22.Qc2 Bd6 23.Rcd1=) 22...Re8-+ 23.Qb3 (23.Qc4 Ne2 24.Kh1 Nc1 25.Bc1 Qc6 26.Qc6 bc6-+) 23...Ne2 24.Kf1 Nc1 25.Bc1 Qc6 26.Be3 b5 27.Ng5 Qf6 (27...Qc4 28.Qc4 bc4 29.Ke2-+) 28.Qc2 (28.Qd3 g6 29.Nf3 Bd6-+) 28...g6 (28...Re3 29.Qc7 Re8 30.Nf3-+) 29.Qc7 (29.Nf3 Rc8-+) 29...Re3 30.Nf7? (30.Qc1 Rb3 31.Nf3-+) 30...Re7 (30...Ra3?! 31.Nh6 Kf8 32.Qb8 Kg7 33.Qc7 Kh6 34.Qc1 Kg7 35.Qa3 Qd4 36.Ke1 Qe5 37.Kf1-+) 31.Nh6 Kg7 32.Ng4 (32.Qc3 Kh6 33.g4 Re4-+) 0–1. Nebe,Lutz (1620) – Schaefer,Friedhelm, Stadtmeisterschaft, 1998.

11.d4 Qe7 12.Nbd2 (12.Qd3 Bg4 13.Nc3 Qd7 14.Rfc1 Bf5 15.Qd1 Ba5=; 12.Qc2 Bg4 13.Nc3 Qd7 14.Rfb1 Bf5 15.Bd3 Bd3=; 12.Bd3 Bg4 13.Nc3 Qd7 14.Nd5 Nd5 15.cd5 Ne7=; 12.Qb3 Bf5 13.Nc3 Na5 14.Qd1 Rad8 15.Bd3 Bd3=; 12.Nc3 Bg4 13.Rb1 Ba5 14.d5 Ne5 15.Ne5 Be2+=) 12...Bf5 13.Nh4 Bd7 14.Bd3 Bg4 15.Qc2 Rad8+=.

11.d4 Bf5 12.Qb3 (12.Bd3 Qd7 13.Nc3 d5 14.Bf5 Qf5 15.cd5 Nd5=; 12.Nh4 Bd7 13.Nc3 Ba5 14.Nf3 Bf5 15.Rc1 Rb8=; 12.Nbd2 Rb8 13.Nb3 Ne4 14.Bd3 d5 15.c5 Ba7=; 12.Nc3= Ba5 13.Qb3 Rb8 14.d5 Ne5 15.Nd4 Bg6=; 12.Re1 Ne4 13.Nc3 Ba5 14.Qb3 Rb8 15.Ne4 Be4=; 12.Ra2 Ba5 13.d5 Ne5 14.Ne5 de5 15.f4 ef4=) 12...Ne4 13.Bd3 Bg6 14.Qc2 Ng5 15.Nbd2 Bd3+=.

11.Re1 A) 11...Qe7 12.Qc2 (12.Nc3 Bg4 13.d4 Ba5 14.d5 Bf3 15.gf3 Ne5=; 12.d3 Ba5 13.Nbd2 Rb8 14.Qc2 b6 15.Reb1 Bd2=; 12.Qb3 Bf5 13.d4 Ne4 14.Nc3 Nc3 15.Bc3 Ba5=; 12.d4 Ba5 13.Bc3 Bf5 14.Ba5 Na5 15.Bd3 Ne4=) 12...Ne5 13.d4 Ng6 14.Bd3 Ba5 15.Nbd2 Bd2+=; B) 11...Bg4 12.d4 (12.Nc3 Ba5 13.Rb1 Rb8 14.d4 d5 15.Qb3 Ne4=; 12.d3 Ba5 13.Nc3 b5 14.d4 bc4 15.Bc4 Ne4=; 12.h3 Bf5 13.d3 Qe7 14.Nc3 Ba5 15.Qc2 Ne5=) 12...Ba5 13.Bc3 b6 14.Ba5 Na5 15.Qc2 Qe7=; C) 11...d5 12.Qc2 (12.d4 dc4 13.Bc4 Ba5 14.Nc3 b5 15.Bd3 Bg4=; 12.Bf6 Qf6 13.Nc3 dc4 14.Nd5 Qg6 15.Nb6 cb6=) 12...Qd6 13.cd5 Nd5 14.d4 Qh6 15.Nbd2 Be6=; D) 11...Rb8 12.d3 (12.Nc3 Bf5 13.d3 Ne5 14.d4 Nf3 15.Bf3 Ba5=; 12.Qc2 Bg4 13.d3 Ne5 14.Nfd2 Bf5 15.Nc3 Qe7=; 12.d4 Bf5 13.Bd3 Bd3 14.Qd3 d5 15.cd5 Qd5=; 12.Qb3 Bg4 13.Nc3 Ne5 14.Ng5 Be2 15.Re2 Nfd7=; 12.Ra2 Bf5 13.d3 Qe7 14.Nc3 Ba5 15.e4 Bd7=) 12...Ba5 13.Nbd2 Ne5 14.Rf1 b5 15.cb5 ab5=; E) 11...Ra7 12.Nc3 (12.d4 Bf5 13.Nc3 Ba5 14.d5 Ne5 15.Nd4 Bg4=; 12.Qc2 Bg4 13.d3 Ne5 14.Nbd2 Ba5 15.Nd4 c5=; 12.d3 d5 13.cd5 Nd5 14.Nc3 Ba5 15.Qc2 Be6=; 12.Qb3 Bg4 13.Nc3 Qe7 14.d3 Ba5 15.h3 Bf5=; 12.Ra2 Ba5 13.Qc2 Ne4 14.Rd1 Bg4 15.h3 Bf5=) 12...Bf5 13.d3 Ba5 14.e4 Bd7 15.Qc1 Ng4=; F) 11...Bd7 12.d3 (12.d4 Bf5 13.Nc3 Ba5 14.Qb3 Ne4 15.Bd3 Nd2=; 12.Nc3 Bf5 13.d4 Ba5 14.Qb3 Ne4 15.Ne4 Be4=; 12.Qb3 Bf5 13.Nc3 Rb8 14.d3 Qe7 15.Nd5 Nd5=; 12.Qc2 Bg4 13.h3 Bh5 14.d3 Ba5 15.Nbd2 Ne5=) 12...Ba5 13.Nc3 Rb8 14.Qc2 Qe7 15.Reb1 Be6=; G) 11...Bf5 12.d3 (12.Nc3 Ba5 13.d3 b5 14.cb5 ab5 15.Qc2 Ne5=; 12.d4 Ne4 13.Nc3 Ba5 14.Qb3 Rb8 15.Ne4 Be4=; 12.Nh4 Bd7 13.Nc3 Be6 14.d4 d5 15.c5 Ba5=) 12...Ba5 13.Nbd2 Ne5 14.Qc2 b5 15.Reb1 c6=; H) 11...Be6 12.d4 (12.Qc2 Bg4 13.d3 Qe7 14.Nc3 Ba5 15.Reb1 Bc3=) 12...Bf5 13.Nc3 Ba5 14.Qb3 Ne4 15.Ne4 Be4=.

10.c4 Rb8

11.Qb3 A) 11...Bg4 12.d3 (12.h3 Bh5 13.d4 Ne4 14.Qc2 Bg6 15.Bd3 Ng5=; 12.d4 Ne4 13.Qc2 d5 14.cd5 Qd5 15.Nc3 Nc3=; 12.Rc1 Ne5 13.Qd1 Bf3 14.Bf3 Nd3 15.Rc2 d5=; 12.Bc3 Bc3 13.Nc3 Na5 14.Qb4 c5 15.Qa4 Bd7=; 12.Qd1 d5 13.cd5 Nd5 14.d3 Be6 15.Qc2 Qe7=; 12.Qa4 Qe7 13.d4 Qd7 14.d5 Nd4 15.Qa5 Ne2=) 12...Ne5 13.Qd1 b5 14.Ne5 Be2 15.Nf7 Bd1+=; B) 11...Qe7 12.Nc3 (12.d4 Bf5 13.d5 Ne5 14.Ne5 de5 15.Nc3 Qd6=; 12.Qc2 Bg4 13.d4 Bh5 14.d5 Ne5 15.Ne5 Be2=) 12...Bc3 13.Qc3 Bg4 14.d4 d5 15.Rfc1 Ne4=; C) 11...Be6 12.Qc2 (12.Rc1 b5 13.Qc2 bc4 14.Ng5 Ne5 15.Be5 de5=) 12...Bg4 13.d4 d5 14.cd5 Qd5 15.Nc3 Qe6=.

11.Qc2 A) 11...Bg4 12.Rd1 (12.h3 Bh5 13.d3 b6 14.g4 Bg6 15.Nh4 Qe7=; 12.d4 d5 13.cd5 Qd5 14.Nc3 Bc3 15.Bc3 Bf5=; 12.d3 Ne5 13.Ne5 de5 14.Bg4 Ng4 15.h3 Nf6=; 12.Rc1 Ne5 13.Nd4 Be2 14.Ne2 b5 15.cb5 ab5=; 12.Bc3 Bc3 13.Nc3 Ne5 14.Ne5 de5 15.Bg4 Ng4=) 12...Qe7 13.d4 d5 14.h3 Be6 15.Ng5 h6+=; B) 11...Qe7 12.Nc3 (12.d4 Bg4 13.Nc3 Qd7 14.Nd5 Nd5 15.cd5 Ne7=) 12...Ne5 13.d4 Bc3 14.Bc3 Nf3 15.Bf3 Bg4=.

11.Bc3 A) 11...Bf5 12.d4 (12.Qa4 Bc3 13.Nc3 Nd7 14.d4 Nb6 15.Qd1 Na5=; 12.Ba5 Na5 13.d4 Ne4 14.Bd3 b5 15.cb5 ab5=) 12...Ne4 13.Ba5 Na5 14.Bd3 Qe7 15.Qc2 b5=; B) 11...Bg4 12.d4 Qe7 13.Qa4 Bb6 14.Nbd2 Bf5 15.Rad1 Ng4=; C) 11...Qe7 12.Ba5 (12.Qc2 Bg4 13.d4 b6 14.Ba5 Na5 15.Nbd2 c5=; 12.d4 Bf5 13.Ba5 Na5 14.Nc3 c6 15.Rc1 Be6=; 12.Qa4 Bb6 13.d4 Ne4 14.Bd3 Bg4 15.Nfd2 f5=) 12...Na5 13.d4 b5 14.cb5 ab5 15.d5 Bg4=; D) 11...d5 12.d4 (12.cd5 Nd5 13.Ba5 Na5 14.Qc2 Nf4 15.Bd1 Ng6=; 12.Ba5 Na5 13.cd5 Qd5 14.Nc3 Qd6 15.d4 b5=) 12...Ne4 13.Ba5 Na5 14.cd5 Bf5 15.Bd3 Qd5+=; E) 11...Ne4 12.Bb2 Qe7 13.d3 Nf6 14.Nc3 Ne5 15.d4 Nf3=.

11.Nc3 Bf5 (11...d5 12.Rc1 (12.d3 dc4 13.dc4 Bf5 14.Qb3 Nd7 15.Rfd1 Qc8=; 12.Nd5 Nd5 13.cd5 Qd5 14.d3 Be6 15.Qc2 Rbd8=; 12.d4 dc4 13.Bc4 b5 14.Bd3 Bg4 15.Rc1 Qd6=; 12.Qb3 Be6 13.d4 dc4 14.Bc4 Bc4 15.Qc4 Qd6=; 12.cd5 Nd5 13.Qc2 Bg4 14.Rfb1 Nc3 15.Bc3 Bc3=) 12...dc4 13.Bc4 b5 14.Bb3 Be6 15.Ne2 Bb3=; 11...Be6 12.Qc2 (12.Qa4 Qd7 13.d3 b6 14.Rfb1 d5 15.cd5 Nd5=; 12.d4 d5 13.cd5 Nd5 14.Qc2 Bc3 15.Bc3 Qf6=; 12.Rb1 Bc3 13.Bc3 d5 14.d3 dc4 15.dc4 Ne4=; 12.d3 b5 13.cb5 ab5 14.d4 Ne7 15.Ng5 Bf5=; 12.Rc1 Ne5 13.d3 b5 14.cb5 ab5 15.Qc2 Qe7=) 12...Qd7 13.Nd1 Bf5 14.d3 Ne5 15.Nd4 Bg6=; 11...Qe7 12.d4 (12.Qc2 Bg4 13.d4 Qd7 14.Nd5 Nd5 15.cd5 Ne7=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 c5 15.dc6 bc6=; 12.d3 Be6 13.Qb3 Ne5 14.Rfb1 b5 15.Nd5 Qd8=; 12.Rc1 Ne5 13.Nd5 Nd5 14.cd5 Bd7 15.Nd4 Qh4=; 12.Rb1 Ne5 13.Nd5 Nd5 14.cd5 Bg4 15.d3 Bd7=; 12.Qb3 Ne5 13.d4 Nf3 14.Bf3 Be6 15.Rfd1 b5=) 12...Bc3 13.Bc3 Bf5 14.Bb2 Be4 15.d5 Ne5=; 11...Bg4 12.Rb1 (12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 Qf6=; 12.Rc1 Ne5 13.d3 Bd7 14.d4 Nf3 15.Bf3 Bf5=; 12.Nd4 Bc3 13.Nc6 Be2 14.Qe2 bc6 15.Bc3 Ne4=; 12.d3 Be6 13.Qc2 Ne5 14.Nd4 Qe7 15.Rab1 Bd7=; 12.h3 Be6 13.d4 d5 14.c5 Bf5 15.Bd3 Qd7=) 12...Qd7 13.d3 d5 14.Na4 dc4 15.Bf6 gf6+=) 12.Nd5 (12.d3 b5 13.cb5 ab5 14.e4 Bg4 15.Rc1 b4=; 12.Rc1 Ne5 13.d4 Nf3 14.Bf3 c6 15.Qb3 Qc7=; 12.Qb3 Qe7 13.d4 Bc3 14.Bc3 Ne4 15.Bb2 Qf6=; 12.d4 d5 13.Qb3 Be6 14.cd5 Nd5 15.Nd5 Qd5=; 12.Ra2 d5 13.d3 Qd6 14.Qa1 dc4 15.dc4 Bc2=) 12...Nd5 13.cd5 Ne5 14.d3 Qe7 15.Rb1 Nf3 =.

11.d3 A) 11...Ne5 12.Nbd2 b5 13.cb5 ab5 14.Nb3 Bb6 15.Ne5 de5=; B) 11...Qe7 12.Nbd2 (12.Nc3 Ne5 13.Nd5 Nd5 14.cd5 Bf5 15.Rb1 Nf3=; 12.Qc2 Ne5 13.d4 Nf3 14.Bf3 Be6 15.d5 Bg4=) 12...Be6 13.Nb3 b5 14.Qc2 bc4 15.dc4 h6=; C) 11...Be6 12.Nbd2 (12.Qc2 Bg4 13.h3 Bf5 14.Nc3 Ne5 15.e4 Bg6=; 12.Ng5 Bf5 13.e4 Bd7 14.Nd2 b5 15.Rc1 Qe7=) 12...b5 13.Qc2 Bd2 14.cb5 ab5 15.Nd2 Rb6=; D) 11...Bf5 12.Nbd2 (12.e4 Bd7 13.Nbd2 Qe7 14.Qc2 Nh5 15.Rfe1 Nf4=; 12.Qc2 Qe7 13.Nc3 Ne5 14.Nd5 Nd5 15.cd5 Nf3=; 12.Qa4 Bd7 13.Qc2 Qe7 14.Nc3 Ne5 15.Ne5 de5=; 12.Nc3 b5 13.cb5 ab5 14.Qc2 Ne5 15.Rfb1 c5=) 12...Qe7 13.Nb3 Bb6 14.Rb1 Ne5 15.Qc2 Nfd7=; E) 11...b5 12.cb5 ab5 13.Nbd2 Ne5 14.Nb3 Bb6 15.Ne5 de5=; F) 11...Bd7 12.Nbd2 (12.Nc3 b5 13.cb5 ab5 14.Qc2 d5 15.d4 Ne7=; 12.Qc2 Qe7 13.Nc3 Ne5 14.Rfb1 c5 15.d4 Nf3=) 12...Qe7 13.Nb3 Bb6 14.Qc2 Bg4 15.Rab1 Bf5=.

11.d4 A) 11...Ne4 12.Qc2 (12.Bd3 d5 13.Qc2 Bf5 14.Ne5 Ne5 15.de5 Bg6+=) 12...Bf5 13.Bd3 d5 14.Ne5 Ne5 15.de5 Bg6+=; B) 11...d5 12.Ne5 Be6 13.Qa4 dc4 14.Nc6 bc6 15.Bc3 Bc3=; C) 11...Qe7 12.Nbd2 (12.Qc2 Bg4 13.Nc3 Bc3 14.Bc3 d5 15.h3 Bh5=; 12.Nc3 Bc3 13.Bc3 Bf5 14.Bb2 d5 15.Rc1 Be6=; 12.Bd3 Bg4 13.Nc3 Bc3 14.Bc3 Ne4 15.Bb2 Qf6=; 12.Bc3 Bf5 13.Ba5 Na5 14.Nc3 c6 15.Qa4 b6=) 12...Bd2 13.Nd2 Bf5 14.Re1 Ne4 15.Ne4 Qe4=; D) 11...Bf5 12.Nbd2 (12.Nc3 Bc3 13.Bc3 Ne4 14.Qb3 Qf6 15.Rac1 b6=; 12.d5 Ne5 13.Nbd2 c6 14.Ra2 cd5 15.cd5 Bd2=; 12.Bd3 Bd3 13.Qd3 d5 14.Bc3 dc4 15.Qc4 Qd6=; 12.Qb3 Ne4 13.Nc3 Bc3 14.Bc3 Qf6 15.Rac1 b6=) 12...Bd2 13.Nd2 d5 14.cd5 Qd5 15.Rc1 Qd7=; E) 11...Bd7 12.Nbd2 (12.Nc3 Bf5 13.Qb3 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Qc2 Bg4 13.h3 Bh5 14.d5 Bf3 15.Bf3 Ne5=; 12.Bc3 Bc3 13.Nc3 Bf5 14.Bd3 Qd7 15.Rb1 Bd3=; 12.Bd3 Bg4 13.Bc3 Bc3 14.Nc3 d5 15.cd5 Nd5=; 12.Qd3 Ne4 13.Qc2 Bf5 14.Bd3 d5 15.Ne5 Ne5=; 12.Qb3 Ne7 13.Bc3 Bc3 14.Nc3 Bf5 15.Rfd1 Qd7=; 12.Nfd2 Bf5 13.Nb3 d5 14.Na5 Na5 15.cd5 Nd5=) 12...Bd2 13.Qd2 Bf5 14.d5 Ne5 15.Ne5 de5=; F) 11...b5 12.cb5 (12.Nbd2 Bd2 13.Qd2 Ne4 14.Qc2 b4 15.ab4 Nb4=) 12...ab5 13.d5 Ne5 14.Qb3 Nf3 15.Bf3 Bf5=.

10.c4 d5

11.Qb3 A) 11...Qd6 12.d4 (12.Rc1 Rb8 13.cd5 Nd5 14.Ng5 h6 15.Bf3 hg5=; 12.Nc3 Be6 13.cd5 Nd5 14.Ne4 Nf4 15.Bc4 Qe7=; 12.Ra2 Be6 13.Bf6 dc4 14.Qc2 gf6 15.Bc4 Ne5=) 12...dc4 13.Bc4 Be6 14.Be6 Re6 15.Rc1 Bb6=; B) 11...Bb6 12.Qc2 (12.cd5 Nd5 13.Nc3 Be6 14.Nd5 Qd5 15.Qc3 f6=) 12...Qd6 13.d4 dc4 14.Nbd2 Na5 15.Ne5 Be6=; C) 11...Rb8 12.Nd4 (12.Qc2 Bg4 13.cd5 Nd5 14.Nc3 Qd7 15.Ne4 Bb6=; 12.Rc1 Be6 13.Qc2 dc4 14.Bc4 Bc4 15.Qc4 Qd6=; 12.d4 Be6 13.Ng5 dc4 14.Ne6 cb3 15.Nd8 Rbd8=; 12.c5 Bf5 13.d3 b6 14.cb6 Rb6 15.Qc2 Qd6=) 12...Nd4 13.Bd4 Be6 14.c5 b6 15.c6 b5=.

11.Qc2 A) 11...Bg4 12.cd5 (12.c5 Qe7 13.d3 Rad8 14.Nd4 Nd4 15.Bd4 Be2=; 12.h3 Bh5 13.d3 dc4 14.Qc4 Re6 15.Rd1 b5=; 12.d3 dc4 13.dc4 Qe7 14.Qb3 b6 15.Nc3 Bc3=; 12.Qb3 Bb6 13.cd5 Qd5 14.Qd5 Nd5 15.Nc3 Be6=) 12...Nd5 13.Nc3 Nc3 14.Bc3 Bc3 15.Qc3 Qd6=; B) 11...Qd6 12.Rc1 (12.c5 Qe7 13.d3 Bg4 14.Nbd2 d4 15.Bd4 Nd4=; 12.cd5 Nd5 13.Nc3 Nf6 14.d4 Be6 15.Bd3 Bc3=; 12.d3 Bg4 13.h3 Bf3 14.Bf3 Rad8 15.Nc3 dc4=) 12...dc4 13.Bc4 Re7 14.Ng5 g6 15.Nc3 Ng4+=; C) 11...Qe7 12.Ng5 g6 13.Qb3 Rd8 14.Rc1 d4 15.Nf3 Bb6=.

11.d3 A) 11...Bg4 12.c5 (12.h3 Be6 13.Nbd2 Qe7 14.Qc2 Bd2 15.Nd2 dc4=; 12.Nc3 dc4 13.dc4 Bc3 14.Bc3 Ne4 15.Bb2 Qe7=; 12.Nbd2 Bd2 13.cd5 Bf3 14.Bf3 Nd5 15.Qd2 Qd6+=; 12.cd5 Nd5 13.Nd4 Be2 14.Ne2 Qd6 15.Ng3 Qg6=; 12.Nfd2 Be2 13.Qe2 Qe7 14.Qf3 Ne5 15.Be5 Qe5=; 12.Qb3 Rb8 13.Nc3 d4 14.Nd5 de3 15.Bf6 ef2=) 12...b5 13.Nbd2 d4 14.Nd4 Be2 15.Ne2 Qd3+=; B) 11...Bb6 12.Qc2 (12.cd5 Nd5 13.Qc2 Be6 14.Nc3 Qe7 15.Rfb1 Rad8=; 12.d4 dc4 13.Bc4 Be6 14.Be6 Re6 15.Nc3 Ba5=) 12...Qe7 13.Nbd2 Be6 14.Rfb1 Rab8 15.Bf6 Qf6=; C) 11...Be6 12.c5 (12.Qc2 Bg4 13.h3 Bh5 14.cd5 Nd5 15.Nc3 Bc3=; 12.Nbd2 Qe7 13.Qc2 Bd2 14.Nd2 dc4 15.Rab1 cd3=) 12...Qe7 13.Qc2 Rad8 14.Nbd2 Bd2 15.Qd2 Qc5=; D) 11...dc4 12.dc4 Qe7 13.Qc2 Bg4 14.Qb3 b6 15.Nc3 Bc3=; E) 11...Qe7 12.Nbd2 (12.Nc3 dc4 13.dc4 Bc3 14.Bc3 Ne4 15.Bb2 Bg4=) 12...Bd2 13.cd5 Be3 14.Bf6 Qf6 15.fe3 Ne5=.

11.d4 A) 11...Be6 12.Nbd2 (12.Ng5 Bf5 13.Qb3 Rb8 14.Bc3 Bc3 15.Nc3 Na5=; 12.cd5 Qd5 13.Nc3 Bc3 14.Bc3 Rad8 15.Qb1 Bf5=) 12...Bd2 13.Nd2 dc4 14.Nc4 Qd7 15.Ne5 Ne5=; B) 11...dc4 12.Bc4 Be6 13.Be6 Re6 14.Qc2 Qd6 15.Bc3 Rae8=.

11.cd5 Nd5 12.Qc2 (12.Bd3 Bg4 13.Qc2 Bf3 14.Bh7 Kf8 15.gf3 g6+=; 12.Nc3 Be6 13.Qc2 Qd7 14.Ne4 Bb6 15.Ng3 Qd8=; 12.d3 Bf5 13.Qc2 Qd6 14.Nc3 Bc3 15.Bc3 Nc3=; 12.d4 Bf5 13.Qb3 Qd7 14.Rc1 Be6 15.Qc2 Rab8=; 12.Qb3 Rb8 13.Qc2 Be6 14.Nc3 Qd7 15.Ne4 Bb6=; 12.Qa4 Bf5 13.Rc1 Rb8 14.d3 Bb6 15.Kh1 Qd6=; 12.Re1 Bf5 13.Qb3 Nb6 14.Rc1 Qd6 15.d4 Rad8=) 12...Be6 13.Bd3 h6 14.Nc3 Qd7 15.Na4 b6=.

10.c4 Bd7

11.Qb3 A) 11...Qe7 12.d4 (12.Nc3 Rab8 13.d4 Na7 14.d5 c5 15.a4 Nc8=) 12...Rab8 13.Nc3 Na7 14.d5 c5 15.a4 Bg4=; B) 11...Rb8 12.d4 (12.Nc3 Be6 13.Nd5 Ne5 14.Qa4 b6 15.d4 Nf3=; 12.Rd1 Ne4 13.Nc3 Bc3 14.Bc3 Bg4 15.d4 Ng5=; 12.Rc1 Bg4 13.d4 Ne4 14.Qc2 Ng5 15.Qd1 Bf5=; 12.Qc2 Bg4 13.d4 d5 14.cd5 Qd5 15.Nc3 Qe6=; 12.d3 b5 13.cb5 ab5 14.Rd1 Na7 15.Qc2 Qe7=) 12...Bf5 13.Nc3 Ne4 14.Ne4 Be4 15.Rad1 Na7=; C) 11...Ra7 12.d3 (12.Nc3 Bg4 13.d4 Bc3 14.Qc3 Ne4 15.Qc2 Ng5=; 12.d4 Bg4 13.Nc3 Bc3 14.Qc3 d5 15.Qc2 dc4=; 12.Rd1 Bf5 13.Nc3 Nd7 14.d4 Nf6 15.d5 Ne5=; 12.Qc2 Bg4 13.d4 d5 14.cd5 Qd5 15.Nc3 Qd7=) 12...Bg4 13.Nc3 Qe7 14.Rab1 Bc3 15.Bc3 Ne5=; D) 11...Ne4 12.Nc3 (12.d3 Nc5 13.Qc2 Bf5 14.Nc3 Ne5 15.e4 Bg4=; 12.d4 Rb8 13.Nc3 Bc3 14.Bc3 Bg4 15.Qc2 Nc3=; 12.Qc2 Bf5 13.d3 Ng5 14.Nbd2 Bg4 15.h3 Bh5=) 12...Bc3 13.Bc3 Rb8 14.Bb2 Bg4 15.Qd1 Qe7=.

11.Qc2 A) 11...Qe7 12.Rd1 (12.Nc3 Rab8 13.d4 Bc3 14.Bc3 Bg4 15.d5 Bf3=; 12.d3 Ne5 13.d4 Nf3 14.Bf3 c6 15.Nd2 b5=; 12.Bc3 Bc3 13.Nc3 Be6 14.d4 Na5 15.Ng5 Rab8=; 12.d4 Bg4 13.h3 Bh5 14.Bc3 Bg6 15.Bd3 Bd3=) 12...b6 13.d4 Ne4 14.d5 Na7 15.Nbd2 Nc5=; B) 11...Rb8 12.d4 (12.Nc3 Ne5 13.d4 Nf3 14.Bf3 Bg4 15.Bg4 Ng4=; 12.Rd1 Bg4 13.d4 d5 14.cd5 Nd5 15.Ne5 Be2=; 12.d3 Ne5 13.Ne5 de5 14.Nd2 c5 15.Rfd1 Qc7=) 12...Bg4 13.h3 Bh5 14.d5 Bf3 15.Bf3 Ne5=; C) 11...Ra7 12.d4 (12.Nc3 Bg4 13.d4 d5 14.cd5 Nd5 15.Rac1 Bc3=; 12.Bc3 Qe7 13.d4 Bg4 14.Ba5 Na5 15.Nbd2 c5=; 12.d3 Qe7 13.Nc3 Ne5 14.Rab1 c5 15.Rfc1 b6=; 12.Rd1 Bg4 13.d4 d5 14.cd5 Nd5 15.Ne5 Be2=; 12.Ng5 h6 13.Nf3 Bg4 14.d4 d5 15.cd5 Qd5=; 12.Rc1 Bg4 13.h3 Bh5 14.d3 Qe7 15.Nc3 Bc3=; 12.h3 d5 13.cd5 Nd5 14.Nc3 Nf6 15.d4 Ne7=) 12...Bg4 13.d5 Bf3 14.Bf3 Ne5 15.Be2 Qe7+=; D) 11...b6 12.Nc3 (12.d4 Bg4 13.Rd1 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Rc1 Bg4 13.d4 Qd7 14.Nc3 Bc3 15.Bc3 Bf5=; 12.d3 Qe7 13.Nc3 Ne5 14.Ne5 de5 15.Nd5 Nd5=; 12.Rd1 Qe7 13.d4 Ne4 14.d5 Nd8 15.Bd3 Bg4=; 12.Bc3 Qe7 13.d4 Bg4 14.Ba5 Na5 15.Nbd2 c5=; 12.Ng5 h6 13.Nf3 Qe7 14.Nc3 Ne5 15.Nd5 Nd5=) 12...Bg4 13.d4 Ne7 14.d5 Rb8 15.h3 Bf5=; E) 11...Rc8 12.d3 (12.Nc3 Bg4 13.d4 Qd7 14.d5 Bf3 15.Bf3 Ne5=; 12.Bc3 Qe7 13.d4 Bg4 14.Rd1 b6 15.Ba5 Na5=; 12.Rd1 Bg4 13.d4 Rb8 14.Nc3 Qd7 15.Rab1 Bf5=; 12.d4 Bg4 13.Qb3 Rb8 14.Nc3 Bc3 15.Qc3 d5=; 12.Qb3 Rb8 13.d4 Ne7 14.Bc3 Bc3 15.Nc3 Bf5=; 12.Ng5 h6 13.Nf3 Qe7 14.d4 Bg4 15.Nc3 Bc3=; 12.Rc1 Bg4 13.h3 Bh5 14.d3 b6 15.Nc3 Ne5=) 12...Qe7 13.Nbd2 Bg4 14.Rab1 Bd2 15.Qd2 Rb8+=; F) 11...Bg4 12.d4 (12.h3 Bh5 13.d3 Rb8 14.Nc3 Ne5 15.Ne5 de5=; 12.Rd1 Qe7 13.d4 Rad8 14.Nc3 Bc3 15.Bc3 Ne4=; 12.Qb3 b6 13.d4 Ne4 14.Qc2 Ng5 15.Ng5 Qg5=; 12.d3 Ne5 13.Nd4 Be2 14.Ne2 b5 15.cb5 ab5=) 12...d5 13.cd5 Qd5 14.Nc3 Qe6 15.Ng5 Bf5=.

11.Bc3 A1) 11...Qe7 12.Qc2 (12.d4 Bg4 13.Qd3 b6 14.Ba5 Na5 15.Nbd2 Qd7=; 12.Ba5 Na5 13.Nc3 Ra7 14.d4 Be6 15.d5 Bg4=; 12.d3 b5 13.d4 Ne4 14.Qc1 bc4 15.Bc4 Bg4=; 12.Re1 Ne4 13.Ba5 Na5 14.d3 Qf6 15.Ra2 Nc5=; 12.Ra2 Ne4 13.Ba5 Na5 14.d3 Nf6 15.Rb2 b6=; 12.h3 Ne4 13.Ba5 Na5 14.d3 Qf6 15.Ra2 Ng5=) 12...Bc3 13.Nc3 Be6 14.d4 Na5 15.Ng5 Rab8=; B) 11...Bb6 12.Qc2 (12.Qb3 Ne4 13.Qb2 Nc3 14.Nc3 Ba5 15.Nd5 Rb8=; 12.d4 Ne4 13.Nfd2 Nc3 14.Nc3 Ba5 15.Nd5 Ne7=; 12.Ng5 Bf5 13.d4 Qd7 14.Nd2 Qe7 15.Re1 Rab8=; 12.d3 Qe7 13.d4 Ne4 14.Qc2 Bg4 15.d5 Nb8=; 12.a4 Ne4 13.d3 Nc3 14.Nc3 Ba5 15.Nd5 Ne5=; 12.Bb2 Bf5 13.d4 Ba5 14.Qb3 Rb8 15.Nc3 Qd7=; 12.Re1 Ne4 13.d3 Nc3 14.Nc3 Ba5 15.Qc2 Bf5=; 12.Ra2 Bf5 13.d4 Ne4 14.Bd3 Qf6 15.Rb2 Bg6=; 12.Bf6 Qf6 13.Nc3 Ne7 14.d4 Ba5 15.Ne4 Qg6=) 12...Ne4 13.d4 Bg4 14.d5 Nc3 15.Nc3 Bf3=; C) 11...Bf5 12.d4 (12.Qa4 Bc3 13.Nc3 Rb8 14.d4 Qd7 15.d5 Ne5=; 12.Re1 Bb6 13.Qb3 Ne4 14.Qb2 Nc3 15.Nc3 Ba5=; 12.Ba5 Na5 13.d4 d5 14.c5 b5 15.Nc3 Qe7=; 12.d3 b5 13.Ba5 Na5 14.Nc3 c6 15.Nd4 Qd7=; 12.Ra2 Rb8 13.Rb2 Bc3 14.Nc3 Ne4 15.Ne4 Be4=) 12...Ne4 13.Ba5 Na5 14.Bd3 c5 15.Qc2 d5=; D) 11...Bg4 12.Ba5 (12.d4 Qe7 13.Qd3 Bh5 14.Ba5 Na5 15.Nbd2 b6=; 12.Ra2 b6 13.d4 Rb8 14.Rb2 Qe7 15.Ng5 Be2=; 12.h3 Bf5 13.Ba5 Na5 14.d4 d5 15.c5 b5=; 12.d3 Rb8 13.d4 b6 14.Bd3 b5 15.cb5 ab5=; 12.Qb3 Ra7 13.d4 Bc3 14.Nc3 Bf5 15.Nh4 Bd7=; 12.Qc2 Bc3 13.Nc3 Ne5 14.Ne5 de5 15.Bg4 Ng4=) 12...Na5 13.d4 Qe7 14.Nbd2 Bf5 15.Nh4 Bd7=; E) 11...b6 12.d3 (12.d4 Bg4 13.Ba5 Na5 14.h3 Bf3 15.Bf3 Rc8=; 12.Qc2 Qe7 13.d4 Bg4 14.Ba5 Na5 15.Nbd2 c5=; 12.Ba5 Na5 13.d4 c5 14.Nbd2 Rb8 15.Bd3 b5=; 12.Ra2 Bf5 13.Ba5 Na5 14.d3 Rb8 15.Nc3 c6=; 12.Re1 Ne4 13.Ba5 Na5 14.d4 Qe7 15.Nbd2 Bf5=) 12...Bc3 13.Nc3 Bf5 14.d4 Ne4 15.Ne4 Be4=; F) 11...Ne4 12.Bb2 Qe7 13.d3 Nf6 14.Nc3 Rab8 15.Rb1 Ne5=.

11.Nc3 A) 11...Bf5 12.d3 (12.d4 Rb8 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=; 12.Qb3 Rb8 13.Nd5 Nd5 14.cd5 Ne7 15.Qc4 Ng6=; 12.Rc1 Ne5 13.d3 Qe7 14.Nd5 Nd5 15.cd5 Rab8=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Qf6 15.Rb1 Bb6=) 12...Qe7 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 Bb6=; B) 11...Be6 12.Rc1 (12.d4 d5 13.Ng5 Bf5 14.Nd5 Nd5 15.cd5 Nd4=; 12.Qc2 Ne5 13.d3 Bg4 14.Qd1 Qe7 15.Rb1 Bf5=; 12.Rb1 d5 13.Qb3 Rb8 14.d4 Bc3 15.Qc3 Ne4=; 12.Qa4 Qd7 13.Qb3 d5 14.d3 Rab8 15.Rab1 Qd6=; 12.Qb1 d5 13.cd5 Nd5 14.Bd3 h6 15.Bh7 Kh8=) 12...Qd7 13.d4 d5 14.cd5 Nd5 15.Na4 Qd6+=; C) 11...Qe7 12.d4 (12.Rb1 Ne5 13.d4 Nf3 14.Bf3 Bf5 15.Rc1 c6=; 12.Qb3 Rab8 13.d4 Na7 14.d5 c5 15.a4 Nc8=; 12.Qc2 Rab8 13.d4 Bc3 14.Bc3 Bg4 15.Rfb1 d5=; 12.Qb1 Ne5 13.d4 Nf3 14.Bf3 c6 15.Qd3 Rab8=; 12.d3 Ne5 13.d4 Nf3 14.Bf3 c6 15.Qb3 Rab8=; 12.Rc1 Bf5 13.Nd5 Nd5 14.cd5 Ne5 15.d3 Nf3=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 c5 15.dc6 Nc6=) 12...Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 Bf5=; D) 11...Bg4 12.Rb1 (12.Nd4 Bc3 13.Nc6 Be2 14.Qe2 bc6 15.Bc3 Ne4+=; 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Qf6 15.Bb2 Qg6=; 12.Qb3 Ra7 13.d4 Bc3 14.Bc3 Ne4 15.Rab1 Bf5=; 12.d3 Qe7 13.Nd4 Bd7 14.Nc6 Bc6 15.Bf3 Qe5=; 12.Rc1 d5 13.cd5 Nd5 14.Qb3 Bc3 15.Bc3 Qd6=; 12.Re1 Rb8 13.d4 Qe7 14.d5 Bf3 15.gf3 Ne5=) 12...d5 13.Qb3 Bc3 14.Bc3 d4 15.Bd4 Nd4+=; E) 11...Ra7 12.Nd5 (12.d4 Bf5 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Bg4=; 12.Qc2 Bg4 13.d4 Qd7 14.Nd5 Nd5 15.cd5 Ne7=; 12.Rb1 Ne5 13.Nd4 Bb6 14.f4 Ng6 15.Nd5 Nd5=; 12.Rc1 Be6 13.d4 Bf5 14.d5 Ne5 15.Nd4 Bg4=; 12.d3 Ne5 13.Ne5 de5 14.d4 Qe7 15.Ra2 e4=; 12.Qb3 Bg4 13.d4 Bc3 14.Qc3 d5 15.Rfc1 Ne4=; 12.Re1 Bf5 13.d3 d5 14.Qb3 Be6 15.Rad1 b6=; 12.Qb1 Ne5 13.d4 Ng6 14.Qd3 Qe7 15.Rab1 Bc3=) 12...Ne5 13.Nf6 Qf6 14.Ne5 de5 15.f4 Qd6+=; F) 11...Rc8 12.Rb1 (12.Qc2 Bg4 13.d4 Qd7 14.Qb3 Rb8 15.h3 Bc3=; 12.d4 Bf5 13.Qb3 Rb8 14.Rfd1 Qe7 15.d5 Ne5=; 12.Qb3 Rb8 13.d4 Bf5 14.d5 Ne5 15.Nd4 Bg6=; 12.d3 Qe7 13.Qc2 Ne5 14.Ne5 de5 15.Bf3 c6=; 12.Qb1 Bg4 13.d4 d5 14.cd5 Nd5 15.Rc1 Qd7=) 12...Bf5 13.d3 Qd7 14.Nd5 Nd5 15.cd5 Ne7+=; G) 11...Rb8 12.d4 (12.Qc2 Ne5 13.d4 Nf3 14.Bf3 Bg4 15.Bg4 Ng4=; 12.Rb1 Ne5 13.d4 Nf3 14.Bf3 Bf5 15.Rc1 Qd7=; 12.Rc1 Ne5 13.Ne5 de5 14.d4 Qe7 15.de5 Qe5=; 12.d3 b5 13.cb5 ab5 14.Qc2 Ne5 15.d4 Nc4=; 12.Nd5 Nd5 13.cd5 Ne7 14.Qb3 c6 15.dc6 bc6=; 12.Qb1 Bc3 13.Bc3 Ne4 14.Bb2 Bg4 15.Qd1 Ne5=) 12...Bf5 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=.

11.d3 A) 11...Rb8 12.Nbd2 (12.Nc3 b5 13.cb5 ab5 14.Qc2 Ne5 15.d4 Nc4=; 12.Qc2 Qe7 13.Nc3 Ne5 14.Rfd1 b5 15.cb5 ab5=) 12...Qe7 13.Nb3 Bb6 14.Qc2 a5 15.d4 a4=; B) 11...Qe7 12.Nbd2 (12.Nc3 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 c5=; 12.Qc2 Ne5 13.d4 Nf3 14.Bf3 c6 15.Nd2 Bd2=; 12.Qb3 Rab8 13.Nc3 Ne5 14.Rfb1 c5 15.Ne5 de5=; 12.d4 Bf5 13.Nc3 Bc3 14.Bc3 Rab8 15.Rc1 Ne4=; 12.Bc3 Bf5 13.Ba5 Na5 14.Nc3 Rab8 15.Rb1 Nc6=) 12...b5 13.d4 Reb8 14.Qc2 Bd2 15.Nd2 bc4=; C) 11...Bf5 12.Nc3 (12.e4 Bd7 13.Nbd2 Qe7 14.Rb1 b5 15.Bf6 Qf6=; 12.Nbd2 Bb6 13.Qc2 Rb8 14.Rab1 Qe7 15.e4 Bg4=; 12.Qb3 Rb8 13.Nc3 Ne5 14.d4 Nf3 15.Bf3 c6=; 12.Qa4 Qe7 13.Nc3 Bb6 14.Nd5 Nd5 15.cd5 Ne5=; 12.Qc2 Qe7 13.Nc3 Ne5 14.Nd4 Bd7 15.Rab1 c5=; 12.Qc1 Qe7 13.e4 Bg4 14.Qg5 Ne5 15.Rc1 c5=) 12...Qe7 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 Bb6=.

11.d4 A) 11...Qe7 12.Nbd2 (12.Nc3 Bf5 13.Nd5 Nd5 14.cd5 Na7 15.Qa4 Bb6=; 12.Qb3 Rab8 13.Nc3 Na7 14.d5 c5 15.a4 Nc8=; 12.Bd3 Bg4 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 Ne4=; 12.Qc2 Bg4 13.h3 Bh5 14.Qb3 Rab8 15.Nc3 Bc3=) 12...Bf5 13.Nb3 Bb6 14.Rc1 Ne4 15.Bd3 Bg4=; B) 11...Bf5 12.Nbd2 (12.Nc3 Rb8 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 Nc3=; 12.d5 Ne5 13.Nd4 Bg4 14.Nb3 Be2 15.Qe2 c6=; 12.Bd3 Bd3 13.Qd3 d5 14.Bc3 dc4 15.Qc4 Qd6=; 12.Qb3 Rb8 13.Rd1 Ne4 14.Nc3 Bc3 15.Bc3 Qe7=; 12.Nh4 Bc8 13.Bd3 d5 14.cd5 Qd5 15.Nc3 Bc3=) 12...Qe7 13.Nb3 Bb6 14.Rc1 Ne4 15.Bd3 Bg4=; C) 11...Ne4 12.Qc2 (12.Bd3 Bg4 13.d5 Na7 14.Qc2 Bf3 15.gf3 Qg5=; 12.Qb3 Rb8 13.Nc3 Bc3 14.Bc3 Qf6 15.Bd3 Nc3=; 12.Nbd2 Bc3 13.Ra2 Bb2 14.Rb2 Nc3 15.Qe1 Ne2=) 12...Bf5 13.Bd3 d5 14.Ne5 Ne5 15.de5 Bg6+=; D) 11...Rc8 12.Qc2 (12.Qb3 Rb8 13.Bd3 Bg4 14.Nbd2 d5 15.cd5 Qd5=; 12.Bd3 Bg4 13.h3 Bh5 14.Bc3 d5 15.c5 Bc3=; 12.Nbd2 Bd2 13.Qd2 Bf5 14.d5 Ne4 15.Qc1 Ne7=; 12.Nc3 Bf5 13.Qb3 Rb8 14.d5 Ne5 15.Nd4 Bg6=; 12.Bc3 Bf5 13.Bd3 Bd3 14.Qd3 d5 15.c5 Ne4=) 12...Qe7 13.Nc3 Bc3 14.Bc3 Ne4 15.Rab1 Nc3+=; E) 11...b6 12.Nc3 (12.Qc2 Bg4 13.Rd1 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Bd3 Bg4 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 Ne4=; 12.Nbd2 Bg4 13.d5 Bd2 14.dc6 Ba5 15.h3 Bf5=; 12.Nfd2 d5 13.Bd3 Be6 14.Qc2 Bd2 15.Nd2 Ne7+=) 12...Bc3 13.Bc3 Ne4 14.Bb2 Bf5 15.Bd3 d5+=; F) 11...Rb8 12.Bd3 (12.Qc2 Bg4 13.h3 Bh5 14.d5 Bf3 15.Bf3 Ne5=; 12.Nc3 Bf5 13.Qb3 Ne4 14.Ne4 Be4 15.Rad1 Na7=; 12.Nbd2 Bd2 13.Nd2 Bf5 14.Re1 d5 15.cd5 Qd5=; 12.Bc3 Bg4 13.h3 Bf5 14.Ba5 Na5 15.Nc3 c6=) 12...Bg4 13.Bc3 Bc3 14.Nc3 d5 15.cd5 Nd5=.

10.c4 Qe7

11.Qb3 A) 11...Ra7 12.Qc2 (12.d4 Bf5 13.Nc3 Bc3 14.Bc3 Ne4 15.Bb2 b6=; 12.d3 Bg4 13.Nc3 Bc3 14.Bc3 Ne5 15.Qd1 Bf3=; 12.Nc3 Ne5 13.d4 Nf3 14.Bf3 Bf5 15.Rad1 Bc3=; 12.Re1 Bg4 13.Nc3 Ne5 14.Ne5 de5 15.d3 Be2=; 12.Ra2 Bg4 13.d4 Ne4 14.d5 Ne5 15.Bd4 Nf3+=) 12...Bg4 13.d4 d5 14.h3 Bh5 15.cd5 Nd5=; B) 11...Ne4 12.d4 (12.d3 Nc5 13.Qc2 Bg4 14.Nc3 Bc3 15.Bc3 b6=; 12.Qc2 Bg4 13.d3 Nf6 14.Nc3 Bc3 15.Bc3 Ne5=; 12.Nc3 Bc3 13.Bc3 b6 14.d4 Bf5 15.Bb2 Qf6=; 12.Qd1 Rb8 13.d3 Nc5 14.d4 Ne4 15.Qc2 Bg4=) 12...Rb8 13.Qc2 Bg4 14.d5 Nd8 15.Bd3 h6+=; C) 11...b6 12.d4 (12.Nc3 Bc3 13.Qc3 Bg4 14.d4 Ne4 15.Qc2 Ng5=; 12.d3 Ne5 13.d4 Nf3 14.Bf3 Ne4 15.Ra2 b5=; 12.Qc2 Bg4 13.d4 Rad8 14.Nc3 Bc3 15.Bc3 Ne4=) 12...Bf5 13.d5 Ne5 14.Nd4 Bg6 15.Qd1 Rab8=; D) 11...Ne5 12.Bc3 (12.d4 Nf3 13.Bf3 Ne4 14.Rd1 Qh4 15.Be4 Qe4=; 12.Nc3 c6 13.d4 Nf3 14.Bf3 Bf5 15.Rac1 Rab8=) 12...Bb6 13.d4 Neg4 14.h3 Nh6 15.a4 a5+=; E) 11...Rb8 12.Qc2 (12.d4 Bf5 13.Nc3 Bc3 14.Bc3 Ne4 15.Bb2 Qf6=; 12.Nc3 Ne5 13.d4 Bc3 14.Bc3 Nf3 15.Bf3 Bg4=) 12...Bg4 13.d4 Bh5 14.d5 Ne5 15.Ne5 Be2=.

11.Qc2 A) 11...b6 12.Rd1 (12.Ng5 h6 13.Bf3 Bd7 14.Nh3 Rab8 15.d4 Ne4=; 12.d4 Bg4 13.Nc3 Bc3 14.Bc3 Ne4 15.Bb2 Na5=; 12.d3 Bb7 13.d4 Nb8 14.Nc3 Nbd7 15.Rad1 Bc3=; 12.Nc3 Bg4 13.d4 Bc3 14.Bc3 Ne4 15.Bb2 Na5=; 12.Rc1 Bg4 13.d4 Qd7 14.Nc3 Bc3 15.Bc3 Bf5=; 12.Ra2 Bg4 13.d4 Bh5 14.Nc3 Bg6 15.Qa4 Bc3=; 12.Bf6 Qf6 13.d4 Bg4 14.Bd3 Bf3 15.gf3 Qf3=; 12.Bc3 Ne4 13.Ba5 Na5 14.Nc3 Nc3 15.Qc3 Nc6=; 12.Re1 Ne4 13.Rd1 Bg4 14.d3 Ng5 15.Ng5 Be2=) 12...Bg4 13.d4 Rad8 14.Nc3 Bc3 15.Bc3 Ne4=; B) 11...Bg4 12.d4 (12.d3 Ne5 13.Nd4 Be2 14.Qe2 Bb6 15.Nd2 Bd4=) 12...Ne4 13.Nc3 Bc3 14.Bc3 Nc3 15.Qc3 b6=; C) 11...Bd7 12.Rd1 (12.Nc3 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 Ng4=; 12.d3 Ne5 13.d4 Nf3 14.Bf3 c6 15.Bc3 Bc3=; 12.Bc3 Bg4 13.d4 b6 14.Ba5 Na5 15.Nbd2 c5=; 12.d4 Bg4 13.h3 Bh5 14.Bc3 Bg6 15.Bd3 Bd3=; 12.Bf6 Qf6 13.d4 Bf5 14.Bd3 Bd3 15.Qd3 Rab8=) 12...Ne4 13.d3 Nf6 14.d4 Ne4 15.d5 Nb8=; D) 11...Ra7 12.Rd1 (12.Nc3 Bg4 13.d4 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Bc3 Bg4 13.d4 Bb6 14.Nbd2 Ba5 15.Ba5 Na5=; 12.d3 Bd7 13.Nc3 Ne5 14.Nd5 Nd5 15.cd5 Ng6=; 12.d4 Bg4 13.Nc3 Qd7 14.d5 Ne5 15.Ne5 de5=; 12.Rc1 Ne5 13.c5 Nf3 14.Bf3 dc5 15.Qc5 Qc5=; 12.Ra2 Bg4 13.d4 d5 14.Rc1 Qd7 15.cd5 Qd5=) 12...Bg4 13.d4 d5 14.h3 Be6 15.Ne5 Nd8+=; E) 11...d5 12.Ng5 g6 13.Qb3 Rd8 14.Rc1 d4 15.Nf3 Bb6=; F) 11...Bb6 12.Nc3 (12.d4 Bg4 13.Nc3 Qd7 14.Rfb1 Bf5 15.Bd3 Bd3=) 12...Ba5 13.d4 Bc3 14.Bc3 Ne4 15.Bb2 Bg4+=; G) 11...Ne4 12.d3 (12.d4 Bg4 13.d5 Nb8 14.Bd3 g6 15.Be4 Qe4+=; 12.Rc1 Bf5 13.Qd1 Ne5 14.Nd4 Bg6 15.f4 Nc6+=; 12.Rd1 Bf5 13.Bd3 Rab8 14.Nd4 Bg6 15.Nb3 Qg5=) 12...Nf6 13.Nc3 Bg4 14.Rab1 Ra7 15.Nd5 Nd5+=; H) 11...Ne5 12.d4 Nf3 13.Bf3 Ne4 14.Be4 Qe4 15.Qe4 Re4=; I) 11...Rb8 12.Nc3 (12.d4 Bg4 13.Nc3 Qd7 14.Nd5 Nd5 15.cd5 Ne7=) 12...Ne5 13.d4 Bc3 14.Bc3 Nf3 15.Bf3 Bg4=.

11.Bc3 A) 11...Bf5 12.Re1 (12.d4 Ne4 13.Ba5 Na5 14.Bd3 Rab8 15.Qc2 b5=; 12.Qb3 Rab8 13.d4 Ne4 14.Qb2 Bg4 15.h3 Bh5=; 12.d3 b5 13.Qb3 Bc3 14.Qc3 Na7 15.Nbd2 c5=; 12.Ba5 Na5 13.Nc3 c6 14.Qa4 Qc7 15.Qb4 c5=) 12...Bc3 13.Nc3 Rab8 14.d4 Ne4 15.Nd5 Qd7=; B) 11...Bb6 12.Qc2 (12.d4 Ne4 13.Qc2 Bg4 14.d5 Nd8 15.h3 Bh5=; 12.Qb3 Ne4 13.d4 Bg4 14.Qc2 Qf6 15.d5 Nc3=; 12.Bf6 Qf6 13.Nc3 Be6 14.d4 Na5 15.Qa4 Qf5=; 12.Ra2 Bf5 13.d4 Ne4 14.Bd3 Qf6 15.Rb2 Bg6=; 12.Bb2 Bf5 13.Nc3 Ba5 14.d3 Rab8 15.Nd5 Nd5=; 12.Re1 Ne4 13.Bb2 Ba5 14.Rf1 Rb8 15.d3 Nf6=; 12.Qc1 Bg4 13.d4 Ne4 14.Qc2 Qf6 15.d5 Nc3=; 12.Qa4 Bf5 13.d4 Ng4 14.Bd1 Nf2 15.Rf2 Qe3+=) 12...Bg4 13.d4 Rab8 14.Nbd2 Ba5 15.Ba5 Na5=; C) 11...Bg4 12.d3 (12.Ba5 Na5 13.d4 Rab8 14.Qa4 b6 15.Nc3 c6=; 12.Qc2 Bb6 13.d4 Ne4 14.d5 Nd8 15.h3 Bh5=; 12.h3 Bf5 13.d4 Ne4 14.Ba5 Na5 15.Bd3 c6=; 12.d4 b6 13.Ba5 Na5 14.Nc3 c6 15.Qa4 Qc7=) 12...b5 13.d4 Reb8 14.d5 Bc3 15.Nc3 Ne5=; D) 11...Be6 12.Qa4 (12.Qc2 d5 13.cd5 Bd5 14.Qb2 Bc3 15.Nc3 Na5=; 12.d4 Bg4 13.Qd3 Bh5 14.Qc2 Bg6 15.Bd3 Bd3=) 12...Ne4 13.Ba5 Nc5 14.Qc2 Na5 15.d4 Qf6+=; E) 11...b6 12.Qc2 Ne4 13.d4 Bc3 14.Nc3 Nc3 15.Qc3 Qf6=.

11.Nc3 Ra7 12.d4 (12.Nd5 Nd5 13.cd5 Ne5 14.d3 Bb6 15.Qc2 Bg4=; 12.Rb1 Be6 13.Qb3 Ne5 14.d3 Bf5 15.Nd5 Nd5=; 12.Qc2 Ne5 13.d4 Bc3 14.Bc3 Nf3 15.Bf3 Bg4=; 12.d3 Be6 13.Rb1 Bc3 14.Bc3 d5 15.Qc2 dc4=; 12.Qb1 Bc3 13.Bc3 Bg4 14.d4 Ne4 15.Qc2 Bf5=) 12...Bc3 13.Bc3 Ne4 14.Bb2 Bg4 15.Qc2 Ng5+=.

11.Nc3 Rb8 12.d4 (12.Qc2 Bg4 13.d4 Bc3 14.Bc3 d5 15.h3 Be6=; 12.Nd5 Nd5 13.cd5 Ne5 14.Ne5 de5 15.d4 e4=; 12.d3 Be6 13.Qc2 d5 14.cd5 Nd5 15.Rfc1 Bc3=; 12.Rb1 Ne5 13.Nd5 Nd5 14.cd5 Bf5 15.d3 c5=; 12.Qb3 Ne5 13.d4 Bc3 14.Bc3 Nf3 15.Bf3 Bg4=; 12.Rc1 Ne5 13.Nd5 Nd5 14.cd5 Bd7 15.Nd4 Ng6=) 12...Bc3 13.Bc3 Bf5 14.Bb2 Be4 15.d5 Ne5 =.

11.Nc3 Bc3 12.Bc3 Bg4 13.d3 Rab8 14.h3 Bf5 15.Qc2 Nd7 =.

11.Nc3 Bd7 12.Qb3 (12.Rb1 Ne5 13.d4 Nf3 14.Bf3 Bf5 15.Rc1 c6=; 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 Bg4=; 12.Qc2 Bg4 13.d4 Qd7 14.Nd5 Nd5 15.cd5 Ne7=; 12.Qb1 Ne5 13.d4 Nf3 14.Bf3 Rab8 15.Qd3 c6=; 12.d3 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 c5=; 12.Rc1 Bf5 13.Nd5 Nd5 14.cd5 Ne5 15.d3 Nf3=; 12.Nd5 Nd5 13.cd5 Ne5 14.Rb1 b5 15.Qc2 Rac8=) 12...Rab8 13.d4 Na7 14.d5 c5 15.a4 Bg4=.

11.Nc3 Be6 12.Qb3 (12.d4 d5 13.Qb3 dc4 14.Bc4 Bc4 15.Qc4 Qd6=; 12.Rb1 Rab8 13.d4 d5 14.c5 Bf5 15.Bd3 Bd3=; 12.Qc2 Ne5 13.d3 c6 14.Nd4 Bd7 15.Nb3 Bc3=; 12.d3 d5 13.Qb3 dc4 14.dc4 Bc3 15.Qc3 Rad8=) 12...Bc3 13.Qc3 Bg4 14.h3 Bf3 15.Bf3 Rab8=.

11.Nc3 Bf5 12.Qb3 (12.d3 Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Rc1 Nf3=; 12.d4 Bc3 13.Bc3 Rab8 14.Bb2 b5 15.cb5 ab5=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 c5 15.dc6 Nc6=; 12.Rc1 Ne5 13.d3 c6 14.Nd4 Bd7 15.Nb3 Bc3=) 12...Bc3 13.Qc3 Bg4 14.d4 b6 15.Qc2 Bh5=.

11.Nc3 Bg4 12.Rb1 (12.d3 Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4 Bd7=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Bb6 15.Rb1 Bd7=; 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 b6=) 12...Bf5 13.d3 Rab8 14.e4 Bd7 15.Nd5 Nd5=.

11.Nc3 h6 12.Qb3 (12.d4 Bc3 13.Bc3 Ne4 14.Bb2 Bg4 15.Rb1 Rab8=; 12.Qc2 Be6 13.d4 d5 14.cd5 Nd5 15.Na4 Bg4=; 12.Nd5 Nd5 13.cd5 Ne5 14.Rb1 Bb6 15.Nd4 Qh4=; 12.d3 Bf5 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 c5=; 12.Rb1 Rb8 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4 Bd7+=; 12.Rc1 Bg4 13.Nd5 Nd5 14.cd5 Ne5 15.d3 Rad8=; 12.Qa4 Bc3 13.Bc3 Ne4 14.Qb3 Bf5 15.Rad1 Rab8=) 12...Bc3 13.Qc3 Bg4 14.d4 b6 15.Qc2 Qd7+=.

11.Nc3 Kh8 12.Rb1 (12.d4 Bc3 13.Bc3 Bf5 14.d5 Ne5 15.Ne5 de5=; 12.Qb3 Bc3 13.Bc3 Ne4 14.Bb2 Bf5 15.d3 Nc5=; 12.Nd5 Nd5 13.cd5 Ne5 14.d3 Bd7 15.Rb1 Rab8=; 12.Qc2 Bg4 13.d4 Qd7 14.Rab1 Bf5 15.Bd3 Bd3=; 12.d3 Bf5 13.Nd5 Nd5 14.cd5 Ne5 15.Rb1 Bb6=; 12.Qb1 Ne5 13.d4 Nf3 14.Bf3 Rb8 15.Qd3 Bc3=) 12...Bf5 13.d3 Ne5 14.Nd5 Nd5 15.cd5 Rab8=.

11.d3 A) 11...Bf5 12.Nc3 (12.Qb3 Rab8 13.Nc3 Ne5 14.Nd5 Nd5 15.cd5 Nf3=) 12...Rab8 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 Nf3=; B) 11...Be6 12.Nbd2 (12.Nc3 Rab8 13.Qb3 Ne5 14.Nd5 Nd5 15.cd5 Bg4=; 12.Qc2 Bf5 13.Nc3 Ne5 14.Nd4 Bd7 15.Rab1 c5=; 12.Ng5 Bf5 13.Nd2 Rad8 14.Nb3 d5 15.Na5 Na5=; 12.Qa4 d5 13.cd5 Nd5 14.Rc1 Bb6 15.Nbd2 Bd7+=; 12.Qc1 b6 13.e4 Bg4 14.Nc3 Bc3 15.Qc3 Ne5=) 12...Rab8 13.Qc2 Bg4 14.Nb3 Bb6 15.Rfc1 a5=; C) 11...Qe6 12.d4 (12.Nc3 Rb8 13.d4 Bc3 14.d5 Qe7 15.Bc3 Ne4+=; 12.Qc2 Rb8 13.Nbd2 Qf5 14.Nb3 Bb6 15.Rfb1 Qg6=; 12.Qb3 Rb8 13.d4 b5 14.d5 bc4 15.Qb8 Qd5+=; 12.Nbd2 Bb6 13.d4 Qf5 14.Qb3 Qh5 15.Rad1 Bg4+=) 12...d5 13.Ne5 Ra7 14.Qc2 Ne5 15.de5 Nd7+=; D) 11...Bd7 12.Nbd2 (12.Nc3 Rab8 13.Rb1 Ne5 14.Nd5 Nd5 15.cd5 c5=; 12.Qc2 Ne5 13.d4 Nf3 14.Bf3 c6 15.Bc3 Bc3=; 12.Qb3 Rab8 13.Nc3 Ne5 14.Rfb1 c5 15.a4 b6=; 12.d4 Bf5 13.Nc3 Bc3 14.Bc3 Rab8 15.d5 Ne5=) 12...Bb6 13.Rb1 Ng4 14.e4 f5 15.Qb3 fe4=; E) 11...b5 12.Nbd2 (12.cb5 ab5 13.d4 Na7 14.Bc3 Bb6 15.Qc2 Bb7=) 12...Bf5 13.a4 b4 14.Nb3 Bb6 15.a5 Ba7=; F) 11...Ne5 12.Nbd2 (12.Nc3 Rb8 13.Qc2 c5 14.d4 Nf3 15.Bf3 b5=; 12.d4 Nf3 13.Bf3 Ne4 14.Qa4 b6 15.Rc1 Nf2-/+) 12...c6 13.Nb3 Bc7 14.Qc2 Nf3 15.Bf3 d5=; G) 11...Bb6 12.d4 (12.Nc3 Bf5 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4 Bd4=; 12.Nbd2 Bf5 13.Rb1 Nd7 14.Nb3 Nde5 15.Qc2 Rad8=; 12.Re1 Be6 13.Nbd2 Bf5 14.Qc2 Ng4 15.Nf1 Nge5=) 12...Bg4 13.Nc3 Rab8 14.Rb1 Ba5 15.Nd5 Nd5=; H) 11...Rb8 12.Nbd2 (12.Nc3 Be6 13.Qb3 Ne5 14.Nd5 Nd5 15.cd5 Bg4=; 12.Qc2 Ne5 13.d4 Nf3 14.Bf3 c6 15.d5 Ne4=) 12...Be6 13.Qc2 Bd2 14.Nd2 Ne5 15.d4 Ng6+=; I) 11...d5 12.Nbd2 (12.Nc3 dc4 13.dc4 Bc3 14.Bc3 Ne4 15.Bb2 Bg4=) 12...Bd2 13.cd5 Be3 14.Bf6 Qf6 15.fe3 Ne5=.

11.d4 A) 11...Ne4 12.Bd3 (12.Qc2 Bg4 13.Nc3 Bc3 14.Bc3 Qf6 15.Bb2 Qg6=) 12...Bg4 13.d5 Nb8 14.Qc2 g6 15.Be4 Qe4+=; B) 11...Rb8 12.Nbd2 (12.Nc3 Bc3 13.Bc3 Bf5 14.Rc1 d5 15.Bb2 Be6=; 12.Qc2 Bg4 13.Nc3 Qd7 14.Nd5 Nd5 15.cd5 Ne7=; 12.Bd3 Bg4 13.Nc3 Bc3 14.Bc3 Ne4 15.Rc1 Qf6=; 12.Bc3 Bf5 13.Ba5 Na5 14.Nc3 c6 15.Rc1 b6=) 12...Bd2 13.Nd2 Bf5 14.Re1 Ne4 15.d5 Nd2+=; C) 11...Bd7 12.Nbd2 (12.Qb3 Rab8 13.Nc3 Na7 14.d5 c5 15.a4 b6=; 12.Nc3 Bf5 13.Nd5 Nd5 14.cd5 Na7 15.Qa4 Bb6=; 12.Bd3 Bg4 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 Ne4=; 12.Qc2 Bg4 13.Nc3 Qd7 14.Nd5 Nd5 15.cd5 Ne7=) 12...Bf5 13.Nb3 Bb6 14.Rc1 Ne4 15.Bd3 Bg4=; D) 11...Ra7 12.Qc2 (12.Nbd2 Bf5 13.d5 Ne5 14.Bd4 Raa8 15.Nb3 Bb6=; 12.Bd3 Bg4 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 Ne4=; 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 Bg4 15.Rb1 Bh5=) 12...b6 13.Nbd2 Bd2 14.Nd2 Bg4 15.Bg4 Ng4+=; E) 11...Bf5 12.Nc3 (12.Nbd2 Ne4 13.Ne4 Be4 14.d5 Ne5 15.Ne5 de5=; 12.Bd3 Bd3 13.Qd3 d5 14.Rc1 Rab8 15.Bc3 Qe4=; 12.d5 Ne5 13.Nd4 Bg6 14.Nc3 c6 15.Nf3 Nf3=; 12.Qb3 Rab8 13.Nc3 Bc3 14.Bc3 Ne4 15.Bb2 b6=) 12...Bc3 13.Bc3 Ne4 14.Rc1 b6 15.Bd3 Bg4=.

7.e3 Re8

8.Be2 d5

9.0-0 a6 10.d3 Bb6 11.c3 (11.d4 Bf5 12.c4 dc4 13.Bc4 Qd7 14.Nc3 Rad8 15.Rc1 Bg4) 11...Qe7 12.Re1 Bc5 13.Nbd2 Be6 14.d4 Bd6 15.c4 Qd7.

9.0-0 Ne4 10.Nd4 =.

9.0-0 Qe7 10.c4 (10.Nc3 a6= 11.Re1 Be6 12.Ng5 Bf5 13.Nf3 Rad8 14.d3 b5 15.Rb1; 10.d3 Bb6 11.Re1 Bc5 12.Nbd2 Be6 13.d4 Bd6 14.c4 b6 15.Qc2) 10...dc4 (10...Be6 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 Rad8 14.Qb5 Rd6 15.Rc1) 11.Bc4 Bg4 12.d4 (12.d3 a6= (12...Rab8 13.h3 Bh5 14.g4 b5 15.Bb3) 13.h3 Bh5 14.g4 b5 15.gh5; 12.h3 Be6 13.Be6 Qe6 14.Qc2 Nd7 15.Ng5) 12...Ne4 (12...Rad8 13.Bb5 Rd6 14.h3= Bd7 15.Bd3) 13.h3 (13.d5 Ne5 14.Be5 Bf3 15.Qf3 Qe5=) 13...Bh5 14.Qc2 (14.d5 Ne5 15.Be5 Bf3 16.Qf3 Qe5=) 14...Bf3 15.gf3 Nd6 16.Bd3 Qh4 (16...Qg5 17.Kh2=) 17.Kh2 Ne7 18.Nc3 Bc3 19.Bc3 Nd5 20.Rg1 (20.Bb4 Nb4 21.ab4 c6=) 20...Nc3 21.Rg4 Qf6 22.Rf4 Qe7 (22...Qe6 23.Qc3 c6 24.Rg1=) 23.Qc3 f5 24.Rg1 Kh8 25.Bf5 (25.d5 Rad8=) 25...Rf8=+ (worse 25...Nf5 26.Rf5 c6 27.f4+=) 26.Qc2 g5 27.Re4 Ne4 28.fe4 c6 (28...Qa3? 29.Qc7 (29.Rg5?! Rf7=) 29...Rf5 30.ef5+-) 29.Qb2 Rab8 (29...h6!?=) 30.d5+= Qf6 31.Qf6 Rf6 32.Rg5 Rbf8 33.dc6 Rc6 34.Rh5 (34.Rg1 Rc2=) 34...h6 (34...Rf7 35.e5=) 35.Kg3+= Kg7 36.Bg4 Rc2 (36...Ra6 37.Rb5 Ra3 38.Rb7 Rf7 39.Rb8=) 37.f4 (37.Bf3 Rg8+=) 37...Rc3 38.Kf3 Ra3 39.Rd5 Rc3 40.e5 Rc7 41.Ke4 (41.f5 h5 42.f6 Kg6+=) 41...Rb8 (41...a6 42.Be2=) 42.f5 (42.Be2!?+=) 42...b5=+ 43.f6 Kg6 44.Bf5 Kf7 45.Rd2 Rf8? (45...Rg8!?+=) 46.Rg2 (46.Bd7 Rg8 47.Bb5 a5+-) 46...Ke8+- 47.Kd5 Rb7 (better 47...b4!?+-) 48.Be6+- b4 49.Rg7 (49.Rg7 Rb5 50.Ke4+-) 1–0. Baumann,Heinz (1760) – Bonetti,Shane (2105), TT–16 ETC, 2005.

9.0-0 Bg4 10.d3 Qe7 11.Nbd2 Rad8 12.h3 Bc8 13.Nb3 Bb6 14.d4 Nb8 (14...Bf5 15.Bb5=) 15.a4 c6 (15...a5 16.Qe1=) 16.Ba3 Qe6 17.Rc1 (17.a5 Bc7=) 17...Ne4 18.c4 Qh6 (18...Qg6 19.Nh4 Qf6 20.Nf3=) 19.Ne5 (19.cd5 Rd5 20.Bc4 Rdd8=) 19...dc4 20.Nc4 Bc7 21.Bf3 (21.Qc2!?+=) 21...Bh3-/+ 22.gh3?? (22.Be4 Bh2! 23.Kh2 Bg4 24.Kg1 Bd1 25.Bh7 Kh7 26.Rfd1-+) 22...Qh3-+ 23.Nd6 (23.Ne5 Be5 24.de5 Rd1 25.Rcd1 Qf3 26.Nd4 Qg4 27.Kh2 Qh4 28.Kg2 Re5 29.Ne2-+) 23...Rd6 0–1. Koerner,Helmut (1965) – Solhjou,Mohammed Hassan (1960), 9th Berlin Germany, Lichtenberger Somme, 2010.

9.0-0 Bf5

10.c4 Rb8 11.Qa4 dc4 12.Bc4 (12.Qc4 Qd6 13.d3 Rbd8 14.Qh4 Nd5 15.Ng5 Re7+=) 12...Nd5 13.Bb5 Re4 14.d4 Nb6 15.Qc2 Re5 =.

10.c4 a6 11.Qb3 A) 11...Bb6 12.cd5 Na5 13.Qa4 Nd5 14.Nc3 Nc3 15.Bc3 Qd5=; B) 11...Ra7 12.Rc1 (12.d4 Be6 13.c5 Ne4 14.Nc3 Nc5 15.dc5 d4=; 12.Nd4 Nd4 13.Bd4 b6 14.Qb2 dc4 15.Bc4 c5+=; 12.Ra2 dc4 13.Bc4 Bg6 14.Nd4 Nb8 15.a4 Nbd7=; 12.c5 Qe7 13.Rc1 Rd8 14.d4 Re8 15.Bc3 Bb1=; 12.d3 Be6 13.Rd1 Qe7 14.Nbd2 dc4 15.dc4 Bf5=; 12.Nc3 Be6 13.d4 Qd7 14.Rfc1 dc4 15.Bc4 Bc4=; 12.Rd1 Qd6 13.d4 Be6 14.Ne5 dc4 15.Nc4 Qd5=) 12...Qd6 13.c5 Qe7 14.d3 Bg4 15.Qa4 Qe6=; C) 11...b6 12.Rc1 Qd6 13.cd5 Nd5 14.Bc4 Nce7 15.Be5 Qd7+=; D) 11...Rb8 12.Nd4 Bb1 13.Rfb1 Nd4 14.Bd4 Ne4 15.Qb2 dc4=.

10.c4 Bb6 11.d4 A) 11...Ne4 12.Nbd2 (12.Nc3 dc4 13.Bc4 Qd7 14.Rc1 Rad8 15.Na4 Bg4=; 12.c5 Ba5 13.Bb5 Bg4 14.h3 Bf3 15.Qf3 Qh4=) 12...Ba5 13.Rc1 Nd2 14.Nd2 Bd2 15.Qd2 Qg5=; B) 11...a6 12.Nbd2 (12.Ne5 Ne7 13.c5 Ba7 14.Nd2 Nd7 15.Nd7 Qd7=; 12.Nc3 dc4 13.Bc4 Qd6 14.Na4 Na5 15.Ba2 Rad8=; 12.c5 Ba5 13.Qb3 Rb8 14.Bc3 Ne4 15.Ba5 Na5=) 12...Ne4 13.Rc1 Rc8 14.c5 Nd2 15.Qd2 Ba5+=; C) 11...Rb8 12.Nc3 (12.Ne5 Ne5 13.de5 Nd7 14.Qd5 Ne5 15.Rd1 Qe7=; 12.Nbd2 a6 13.c5 Ba5 14.Nb3 Ne4 15.Bd3 Qf6+=; 12.c5 Ba5 13.Qa4 Be4 14.Bb5 Bf3 15.gf3 Nh5=; 12.Qa4 dc4 13.Bc4 Qd6 14.Nc3 Rbd8 15.Rfd1 Bg4=; 12.Re1 Ba5 13.Nc3 dc4 14.Bc4 b5 15.Bb3 Qd6=) 12...Ba5 13.Rc1 a6 14.Nd5 Nd5 15.cd5 Qd5+=; D) 11...dc4 12.Bc4 Qd6 13.Nc3 Rad8 14.Qb3 Qe7 15.Qa4 Na5=.

10.c4 Rb8 11.Qb3 A) 11...Qd6 12.d4 dc4 13.Bc4 Be6 14.Be6 Re6 15.Rc1 Nd5=; B) 11...Be4 12.d3 (12.d4 dc4 13.Qc4 Bd5 14.Qa4 a6 15.Nc3 Bc3=) 12...Bf5 13.Nc3 Be6 14.Nb5 dc4 15.dc4 Ne4=; C) 11...Be6 12.Rc1 (12.Nc3 a6 13.d4 Bc3 14.Qc3 dc4 15.Bc4 Bd5=; 12.d4 Ne4 13.Nc3 Bc3 14.Bc3 dc4 15.Bc4 Bc4=; 12.Nd4 dc4 13.Bc4 Bc4 14.Qc4 Ne5 15.Qc2 Bb6=; 12.Qc2 dc4 13.Bc4 Bc4 14.Qc4 Qd6 15.Bf6 Qf6=; 12.Ra2 Ne4 13.Qc2 dc4 14.Bc4 Bg4 15.Nd4 Nd4+=; 12.cd5 Bd5 13.Bc4 Bc4 14.Qc4 Qd6 15.Bf6 Qf6=; 12.c5 Bf5 13.d3 b6 14.cb6 Rb6 15.Qc2 Qd6=; 12.Ng5 dc4 13.Bc4 Bc4 14.Qc4 Qd5 15.Qd5 Nd5=) 12...a6 13.Qc2 dc4 14.Bc4 Bc4 15.Qc4 Qd6=; D) 11...Bg4 12.cd5 (12.d4 Qd7 13.Nc3 dc4 14.Qc4 Be6 15.Qc5 a6=; 12.Rc1 d4 13.h3 Bh5 14.Rf1 Ne4 15.Qc2 Bf3+=; 12.Rd1 dc4 13.Bc4 Qe7 14.Be2 Ne4 15.h3 Be6=; 12.Ra2 Be6 13.Rd1 dc4 14.Bc4 Bc4 15.Qc4 a6=; 12.d3 dc4 13.dc4 Ne4 14.Rd1 Qe7 15.Ra2 Bf5+=) 12...Nd5 13.Nc3 Be6 14.Qc2 Qd7 15.Ne4 Bf5=; E) 11...a6 12.Nd4 Bb1 13.Rfb1 Nd4 14.Bd4 Ne4 15.Qb2 dc4+=.

10.c4 Rb8 11.Qc1 A) 11...Qe7 12.cd5 (12.d3 Rbd8 13.cd5 Nd5 14.e4 Nb6 15.Qf4 Be6+=; 12.d4 Rbd8 13.cd5 Nd5 14.Bb5 Bd7 15.Bd3 Bg4=; 12.Rd1 Rbd8 13.cd5 Nd5 14.Ba6 Bc8 15.Qc2 Rd6=; 12.Bf6 Qf6 13.d4 dc4 14.Qc4 b5 15.Qb3 Be6=; 12.Ra2 dc4 13.Bc4 Ne4 14.d4 Nd6 15.Ra1 Nc4+=; 12.Re1 dc4 13.Qc4 Ne4 14.Nd4 Bd7 15.Qd5 Qh4=) 12...Nd5 13.Bb5 Be4 14.Ne1 Nf6 15.d3 a6=; B) 11...Qd6 12.Nc3 (12.d3 Rbd8 13.c5 Qe7 14.Nd4 Nd4 15.Bd4 b6+=; 12.c5 Qe7 13.Nd4 Nd4 14.Bd4 c6 15.d3 b6+=; 12.Nh4 Bd7 13.Nf3 dc4 14.Qc4 Rbd8 15.Nc3 a6+=; 12.d4 dc4 13.Qc4 Be6 14.Qc2 Bd5 15.Rc1 Ne4=) 12...dc4 13.Nb5 Qe7 14.Bc4 a6 15.Nbd4 Nd4=; C) 11...Bg4 12.c5 (12.d3 Qe7 13.h3 Bf5 14.cd5 Nd5 15.e4 Nb6=; 12.h3 Be6 13.cd5 Bd5 14.d4 Ne4 15.Nc3 Bc3=; 12.d4 dc4 13.Qc4 Qd6 14.Qc2 Qd7 15.Rd1 Bf5=; 12.Rd1 d4 13.Qc2 Ne4 14.c5 Qd5 15.ed4 Bf3-/+) 12...Qe7 13.Qc2 b6 14.Bb5 Bd7 15.Bc6 Bc6+=; D) 11...dc4 12.Bc4 (12.Qc4 Qd6 13.d3 Rbd8 14.Qh4 Nd5 15.Ng5 Re7+=) 12...Bg4 13.Ng5 Nd5 14.f3 Bc8 15.Ne4 Bf5=.

10.c4 Rb8 11.d4 A) 11...a6 12.Qb3 (12.Nbd2 Bd2 13.Qd2 Ne4 14.Qd1 b5 15.cd5 Qd5=; 12.Nc3 dc4 13.Bc4 b5 14.Bb3 Qd6 15.Rc1 Rbd8=; 12.Ne5 Nd7 13.Nc6 bc6 14.Ra2 Qg5 15.Nd2 Bh3=; 12.Bd3 Qd7 13.cd5 Nd5 14.Bf5 Qf5 15.Qb3 Qd7=) 12...dc4 13.Bc4 Bg6 14.Rc1 b5 15.Bd3 Bd3=; B) 11...Ne4 12.Nfd2 Bd2 13.Nd2 Na5 14.Ne4 Be4 15.cd5 Qg5=; C) 11...Qd6 12.Nc3 (12.Qb3 dc4 13.Bc4 Be6 14.Be6 Re6 15.Rc1 Bb6=; 12.Nbd2 a6 13.cd5 Qd5 14.Nb3 Bb6 15.Rc1 Be6=) 12...dc4 13.Bc4 a6 14.Qb3 Bg6 15.a4 Qe7=; D) 11...Qe7 12.Nbd2 (12.Ne5 Nd7 13.cd5 Nde5 14.de5 Rbd8 15.Qa4 Rd5=; 12.Nc3 dc4 13.Bc4 b5 14.Bb3 Qd6 15.Qe2 a6=) 12...a6 13.Nb3 dc4 14.Bc4 Bb6 15.Rc1 Qd6=; E) 11...Bg4 12.Bc3 (12.Qb3 Qd7 13.Nc3 dc4 14.Qc4 Be6 15.Qc5 Bc3=; 12.h3 Be6 13.Nbd2 Bd2 14.cd5 Qd5 15.Qd2 Rbd8=; 12.Nbd2 Bd2 13.Nd2 Be2 14.Qe2 dc4 15.Qc4 Re7=; 12.Nc3 dc4 13.Bc4 b5 14.Be2 Qd7 15.Rc1 a6=; 12.cd5 Qd5 13.Nc3 Bc3 14.Bc3 Ne4 15.Qc2 Bf5=; 12.Qd3 Qd6 13.cd5 Nd5 14.Nbd2 Qf6 15.Ne4 Qg6=; 12.Qc2 dc4 13.Qc4 Nd5 14.Nc3 Be6 15.Nd5 Bd5=; 12.Qa4 Qd7 13.cd5 Nd5 14.Rc1 a6 15.Bc3 Bb6=) 12...dc4 13.Bc4 b5 14.Be2 a6 15.Qc2 Rb6=; F) 11...dc4 12.Bc4 Nd5 13.Bb5 Re6 14.Bd3 Bd3 15.Qd3 Qf6=.

10.c4 Rb8 11.cd5 Nd5 12.Qa4 (12.d3 Qe7 13.Qa4 Rbd8 14.Rc1 Bb6 15.Kh1 Nf6+=; 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 15.Qb3 a6=; 12.Bb5 a6 13.Nd4 Nd4 14.Be8 Nc2 15.Bf7 Kf7=; 12.Nd4 Nd4 13.Bd4 a6 14.Qb3 Be4 15.f3 Bb1+=; 12.Qb3 a6 13.Nc3 Nb6 14.d3 Qd6 15.Qc2 Nc4=) 12...Re4 13.d4 Re8 14.Rc1 a6 15.Qb3 Bb6 =.

10.c4 Qd6 11.Qb3 Bb6 (11...Rab8 12.Rc1 a6 13.c5 Qe6 14.Qa4 Qe4 15.d4 Ng4=) 12.cd5 Nd5 13.Nc3 Nc3 (13...Be6 14.Qc2 Nc3 15.Qc3 f6=) 14.Qc3 f6 (14...Qh6 15.d4 Rad8=) 15.d4 Rad8 (15...Ne7=) 16.Qb3 Kh8 17.Rfc1 Na5 18.Qa4 Qd5 (18...Be6 19.Rc3=) 19.Nd2 Qd7 20.Qd7 Rd7 21.Bc3 c6 22.Ra2 Bc7 23.Bb4 Bg6 (23...Be6 24.Rb2+=) 24.Rb2 Bb6 25.Bg4 Rf7 (25...f5!? 26.Bf3 Bf7+=) 26.Bf3 Bd3 27.d5 (27.Bc5 Bc5 28.Rc5 Bb5+-) 27...cd5 28.Ba5 Ba5 29.Bd5 Rd7 30.Bb7 Rb8 31.g3 g6 (31...Rdb7?? 32.Rb7 Rg8 33.Nc4+-) 32.Rc8 Rc8 33.Bc8 Rd8 34.Be6 Bc3 35.Ra2 Kg7 36.g4 g5 37.e4 Be2 (37...Rd6 38.Bb3+=) 38.Nf1 Bf1 (38...Bd3 39.Ng3+=) 39.Kf1+/– Rd1 40.Kg2 Ra1 41.Ra1 Ba1 42.Kf3 Bd4 43.Ke2 Be5 44.h3 h6 45.Kd3 Bd6 46.a4 Bc5 47.f3 ½–½. Rosner,Dirk – Schubert,Heinz, corr, 1998.

10.c4 Bg4 11.Qb3 A) 11...Bb6 12.c5 (12.cd5 Qd5 13.Qd5 Nd5 14.Nc3 Rad8 15.Nd5 Rd5=) 12...Bc5 13.Qb7 Bf3 14.Bf3 Qd6 15.Bf6 Qf6+=; B) 11...Rb8 12.cd5 (12.d4 Qd7 13.Nc3 dc4 14.Qc4 Be6 15.Qc5 b6=; 12.Rc1 d4 13.h3 Bh5 14.Bd1 d3 15.Nd4 Bd1+=; 12.Ra2 Be6 13.Rd1 dc4 14.Bc4 Bc4 15.Qc4 a6=; 12.Rd1 dc4 13.Bc4 Qe7 14.Be2 Ne4 15.h3 Be6=; 12.d3 d4 13.e4 Nh5 14.Bc1 Qd6 15.h3 Bd7+=) 12...Nd5 13.Nc3 Bc3 14.Bc3 Qd7 15.Rfe1 Be6=.

10.c4 Rc8

11.Ra2 A) 11...Ne4 12.d3 (12.Qb3 Nc5 13.Qb5 Bb6 14.cd5 Qd5 15.Nc3 Qd8=) 12...Nc5 13.d4 Ne4 14.Qb3 dc4 15.Qb7 Qd5=; B) 11...dc4 12.Bc4 Bb6 13.Ng5 Bg6 14.Qb3 Qe7 15.Bb5 Na5+=.

11.Qa4 A) 11...dc4 12.Bc4 Bb6 13.Qb5 Bg6 14.Nh4 Be4 15.d3 Bd5=; B) 11...Qd6 12.cd5 (12.d4 dc4 13.Bc4 Bb6 14.Rd1 Na5 15.Be2 c6=; 12.Rc1 Bb6 13.Qb5 a6 14.c5 Qe7 15.Qb3 Bc5=; 12.Nd4 Nd4 13.Bd4 b6 14.Nc3 dc4 15.Nb5 Qd7+=) 12...Nd5 13.Nd4 Re4 14.Bf3 Nb6 15.Qc6 bc6=; C) 11...Rb8 12.Rc1 (12.d4 dc4 13.Bc4 a6 14.Qb3 Bg6 15.Rc1 b5=; 12.d3 dc4 13.Qc4 Qd6 14.Nd4 Bd7 15.Nc6 Bc6=; 12.Ne5 Ne5 13.Be5 Bb6 14.d4 Nd7 15.Bg3 Bd4=; 12.Rd1 Bb6 13.d4 dc4 14.Ne5 Ne5 15.de5 Nd7=; 12.cd5 Nd5 13.Bb5 Re4 14.d4 Nb6 15.Qc2 Re5=) 12...dc4 13.Bc4 Nd5 14.Bb5 Re4 15.d4 Nb6+=; D) 11...Bg6 12.Rc1 (12.c5 Ne4 13.d4 Bh5 14.Qc2 Qf6 15.Nc3 Bc3=; 12.d3 dc4 13.Qc4 Nd5 14.Nc3 Bc3 15.Bc3 Qd6=; 12.Nc3 dc4 13.Qc4 a6 14.d3 Qd6 15.Rac1 Bf5=; 12.cd5 Nd5 13.Nc3 Nc3 14.dc3 Qf6 15.Nd4 Nd4=) 12...dc4 13.Bc4 Nd5 14.Bb5 Re4 15.d4 Nb6+=; E) 11...Be6 12.Ng5 (12.Rc1 dc4 13.Bc4 Bc4 14.Rc4 Qd5 15.Qc2 Qd6=; 12.c5 Ne4 13.d4 Bg4 14.Rd1 Ng5 15.Nbd2 Bd2-/+; 12.d3 dc4 13.dc4 Qe7 14.Qb5 Rb8 15.Qg5 Rbd8=) 12...Bd7 13.Qb3 Bf5 14.cd5 Nd5 15.Bc4 Qg5+=; F) 11...Bb6 12.cd5 (12.d4 dc4 13.Bc4 Na5 14.Be2 Bd7 15.Qc2 c5=) 12...Nd5 13.d4 Qd6 14.Nc3 Nc3 15.Bc3 Be4=.

11.Qb3 A) 11...Rb8 12.Rc1 (12.d4 Be6 13.Nc3 dc4 14.Bc4 Bc4 15.Qc4 Qd6=; 12.d3 dc4 13.Qc4 Qd6 14.Nd4 Bd7 15.Nc6 Bc6=; 12.Rd1 a6 13.d4 Be6 14.Nc3 dc4 15.Bc4 Bc4=; 12.Nc3 Be6 13.d4 dc4 14.Bc4 Bc4 15.Qc4 a6=; 12.Ra2 Be6 13.Rd1 dc4 14.Bc4 Bc4 15.Qc4 Qd5=; 12.Nd4 Be4 13.Qa4 Bb6 14.Nc6 bc6 15.d3 Bf5=) 12...Be6 13.Nd4 dc4 14.Bc4 Bc4 15.Qc4 Ne5=; B) 11...Bb6 12.cd5 (12.c5 Bc5 13.Qb7 Qd6 14.Bb5 Nd8 15.Qa6 c6+=; 12.d3 d4 13.e4 Bg4 14.h3 Bd7 15.Re1 Qe7=) 12...Na5 13.Qa4 Nd5 14.Nc3 c5 15.Bb5 Nc3=.

11.d3 Qe7 (11...dc4 12.dc4 Qe7 13.Qb3 Rb8 14.Nc3 Nd7 15.Nd5 Qd6=) 12.Nbd2 Bd2 13.cd5 Nd5 14.Qd2 Nf4 15.Rfe1 Ne2 =.

11.d4 A) 11...Rb8 12.Qb3 (12.Ne5 Nd7 13.Nc6 bc6 14.Qc1 Qg5 15.Bc3 Bc3=; 12.Nc3 dc4 13.Bc4 b5 14.Ba2 Qd7 15.Rc1 b4=; 12.Nbd2 Ne4 13.cd5 Qd5 14.Ne4 Be4 15.Bd3 Bd3=; 12.Qa4 dc4 13.Bc4 a6 14.Qb3 Bg6 15.Rc1 b5=) 12...Be6 13.Nc3 Qd7 14.Rfd1 dc4 15.Bc4 Bc4=; B) 11...Ne4 12.Nfd2 (12.Qb3 dc4 13.Bc4 Nd6 14.Be2 Ne7 15.Nc3 Ng6=; 12.Qa4 dc4 13.Bc4 Nd6 14.Be2 Bb6 15.Rd1 Na5=) 12...a6 13.cd5 Qd5 14.Nc4 Qb5 15.a4 Qd5+/–; C) 11...Qd6 12.c5 (12.Qa4 dc4 13.Bc4 Bb6 14.Nc3 Rcd8 15.Rac1 a6=; 12.Qb3 dc4 13.Bc4 Be6 14.Be6 Re6 15.Nc3 Rd8=; 12.Nbd2 Ne4 13.Ne4 Be4 14.Ng5 Bg6 15.Qb3 dc4=) 12...Qe6 13.Qa4 a6 14.Ne5 b5 15.cb6 Ne5+=; D) 11...dc4 12.Bc4 Be6 13.Bb5 Qd5 14.Qa4 Bd7 15.Rc1 a6=.

6.a3 Bc5

7.d4 Bb6 8.Nbd2 (8.e3 Ba5 9.Bc3 Bc3 10.Nc3 Re8 11.d5 Ne5=; 8.d5 Ba5 9.Bc3 Ne4 10.Ba5 Na5 11.e3 d6=) 8...Ba5 (8...d5 9.e3 Bf5 10.Be2 Re8 11.0-0 Ne4=) 9.c3 (9.e3 d5 10.Bd3 Bg4 11.c3 Qe7=) 9...d5 10.h3 (10.e3 Bf5 (10...Ne4 11.Ne4 de4=) 11.Bb5 Ne7=) 10...Bf5+= (10...Ne4 11.Qb3 Rb8+=) 11.e3 Re8 (11...Ne4+=) 12.Qb3 (12.Bb5 Bb6=) 12...Rb8+= 13.g4 (13.Be2 Ne4+=) 13...Bd7 (13...Bg6!?-/+) 14.Bd3= a6 (14...b5 15.g5 (15.Bb5? Ne7-+) 15...Ne4 16.Qd5 (16.Bb5? Ne7-+) 16...Nc3 17.Bc3 Bc3 18.Rc1=) 15.0-0 (15.g5 Ne4 16.Qd5 Nc3+=) 15...Bb6 (15...Qe7 16.Rfb1+=) 16.Rae1 (16.Qc2 h5 17.g5 Ne4 (worse is 17...Bh3 18.gf6 Qf6 19.Rfb1+/–) 18.Ne4 de4 19.Be4 Bh3+=) 16...Qc8 (16...Na5 17.Qc2 Bb5+=) 17.Qa2? (better is 17.Ne5=) 17...Ng4?? (better is 17...h5-/+) 18.hg4+/– Bg4 19.Qd5 Bh3 20.Ng5 Qg4 21.Kh2 Bf1 22.Rf1 Qh5 23.Kg2 Rbd8?? 24.Bh7+- Kf8 25.Ne6! Re6 26.Qh5 Rh6 27.Qf5 Rh7 28.Qh7 (28.Qh7 g6 29.c4+-) 1–0. mtra – juca2, internet, 2002.

7.e3 d5=+ 8.Bb5 A) 8...Rb8 9.0-0 (9.Be2 Re8 10.0-0 a6 11.Re1 Bd6 12.d3 b5 13.Nbd2 Qe7 14.Qc1) 9...a6 10.Bc6 bc6 11.Be5 Re8 12.d4 Bd6 13.c4 Bg4 14.Bd6; B) 8...a6 9.Bc6 bc6 10.Ne5 Qe8 11.Nd3 Be7 12.Be5 Ra7 13.Nc3 Nd7 14.Bg7.

7.e3 d5 8.d4 Bd6 9.Be2 Re8 10.0-0 Ne7 11.c4 c6 12.cd5 Ned5 13.Bc4 Bg4 14.h3 Bh5 15.Nbd2 Qd7 16.Be2 Ne4 17.Ne4 Re4 18.Ng5 Be2 19.Qe2 Rh4 20.Qf3?? (20.Nf3 Re4 21.Ng5 Ree8=) 20...Re8?? (20...Qe7 21.e4 Nf4 (21...Qg5?! 22.ed5 Qd5 23.Qd5 cd5 24.f3-/+) 22.Nh7 A) 22...Rh7?! 23.e5 Qg5 24.Kh2-/+ (24.ed6?? Nh3 25.Qh3 Rh3-+); B) 22...Rd8-+) 21.g3 Rh6 22.Qg2 f6 23.Ne4 Bb8 24.h4 Qf5 25.Nc5 Qc2 26.Rab1 b6 27.Na6 Bd6 28.Rfc1 Qd3 29.Nb4 Bb4 30.ab4 Rg6 31.Re1? (better 31.Qf3!?=) 31...Nb4-/+ 32.Ba1 Nc2?? (better 32...Nd5-+) 33.Qc6+= Rf8?? (33...Qe4 34.Qe4 Re4 35.Rec1 Na1 36.Ra1+=) 34.Red1?? (34.Rec1 Na1 35.Qe6 Kh8 36.Ra1 h6+-) 34...Qe2? (34...Qf5 35.e4 Qc8 36.Qd5 Kh8 37.Rdc1+=) 35.Rbc1 (better 35.Rdc1 Ne3 36.Qe6 (worse 36.fe3 Rg3 37.Kh1 Rh3 38.Kg1 Qe3 39.Kf1 Qf4 40.Kg1 Qh2 41.Kf1 Rg3 42.Qd5 Kh8 43.Qh1 Qh1 44.Kf2 Qh2 45.Ke1 Rg1) 36...Kh8 37.Qe3 (worse 37.fe3 Rg3 38.Kh1 Qg2) 37...Qe3 38.fe3 Rg3 39.Kf2+-) 35...Ne3?? (better 35...Na1!? 36.Qe6 Kh8+/-) 36.Qe6 White prepares the advance d5 (better 36.Re1 Qd2 37.Bc3 Qa2 38.Re3 f5+-) 36...Kh8 37.Qe3 (37.fe3?? Rg3 38.Kh1 Qg2) 37...Qh5? (37...Qe3 38.fe3 Rg3 39.Kf2 Rg4+-) 38.Kh2 f5 (38...Qd5+-) 39.d5 f4 40.Qf4! Rgf6 (40...Rf4 41.Rc8 Mate attack) 41.Bf6 gf6 42.Qe3 (42.d6 Kg7 43.Rc7 Rf7 44.Qd4 Qf5 45.d7 b5 46.d8Q Rc7 47.Qc7 Kh6 48.Qda7 Qf2 49.Qf2 Kg6 50.Rd5 b4 51.Qe2 b3 52.Qh5) 42...f5 (42...Re8 43.Qd4 Qf5+-) 43.Qe5 Kg8 44.Qe6 (44.d6 Qg4 45.Qe6 Rf7 46.d7 Qh4 47.gh4 Kg7 48.Rg1 Kh8 49.d8Q Rf8 50.Qf8) 44...Rf7 45.Rc8 Kg7 46.Qe5 Kg6 (46...Kh6 47.Rg8 f4 48.Qe6 Qg6 49.Rg6 hg6 50.Qf7 a5 51.Re1 fg3 52.Kh3 gf2 53.Qf8 Kh5 54.Qh8) 47.Rg8 (47.Rg8 Kh6 48.Qf4 Qg5 49.Qg5; 47.Rc6 Rf6 48.Qf6) 1-0. reza95 (2105) - Superfav98 (2225), Rated Classical game, lichess.org, 2016.

7.e3 d5=+ 8.Be2 Re8 9.0-0 a6 A) 10.d4 Bd6 11.c4 (11.Nbd2 b5 12.a4 b4 13.c4 bc3 14.Bc3 Bf5 15.Rc1 Qe7) 11...dc4 12.Bc4 Bf5 13.Nc3 Qd7 14.Bd3 Rad8 15.Bf5 Qf5; B) 10.Nc3=+ d4 11.Na4 (11.ed4 Nd4 12.Nd4 Qd4 13.d3 Qh4 14.Qd2 Bd6 15.g3 Qh3; 11.Nd4 Nd4 12.ed4 Qd4 13.d3 Qh4 14.Qd2 Bd6 15.g3 Qh3) 11...Ba7 12.ed4 Nd4 13.Nd4 Bd4 14.Bf3 Rb8 15.Bd4 Qd4.

7.e3 d5=+ 8.Be2 Re8 9.0-0 d4 10.Bb5 de3 A) 11.de3 Bd7 (11...Bd6 12.Nbd2 Bd7 13.Bd3 Bg4 14.Qb1 Rb8 15.c4 h6 16.h3) 12.Bc6 Bc6 13.Qd8 Rad8 14.Bf6 gf6 15.Nbd2 f5 16.Nb3; B) 11.fe3 Bd7= 12.Bc4 (12.Ng5 Ne5 13.Be2 Nd5 14.Be5 Qg5 15.Bg3 Bc6 16.Rf2) 12...Bg4 13.Qc1 Nd5 14.Kh1 a6 15.Qe1 Be6 16.Qg3.

7.e3 d5=+ 8.Be2 Re8 9.0-0 d4 10.h3 Bf5 (10...a6 11.Ne1=+ (11.ed4 Nd4 12.Nd4) 11...Ne4 12.Bf3) 11.Bb5= de3 (11...Re6 12.Bc6 Rc6 13.ed4=) 12.fe3 Qd6 (better 12...Bd7=) 13.Nd4?? (better 13.Nh4 Bg6 14.Bf6 gf6 15.Bc6 Qc6 16.Nf5+=) 13...Nd4-+ 14.Be8 Re8 15.Bd4 Bd4 16.c3 Bb1 (16...Bb6 17.Rf5 Be3 18.Kh1-+) 17.ed4 (17.Rb1 Bb6-+) 17...Bg6 (17...Bd3 18.Re1 Re1 19.Qe1-+) 18.Qf3 (18.Qa4 Qg3 19.Rf3 Re1 20.Re1 Qe1 21.Rf1 Qd2 22.Qa7 Nd7 23.Qb7 Qc3-/+) 18...Ne4 (18...Be4 19.Qf4-+) 19.Rae1 White fights for the Initiative 19...f6 (19...Qa3 20.d3 Nf6 21.Re8 Ne8 22.Rb1-+) 20.Re2 Qa6 (20...Qa3!? 21.Rfe1 Qb3 22.Kh2-+) 21.Rfe1 f5 (21...Qb5 22.Kh2 f5 23.Qf4-+) 22.d3-/+ Nf6 (22...Nd6 23.Qd5 Kf8 24.Re8 Be8 25.Qe5 Qd3 26.Qe7 Kg8 27.Qc7-/+) 23.Re8 Ne8 24.Qd5 Kf8 25.Qc5 Kg8 (25...Qd6!?-/+) 26.Qd5= Kh8 27.Qd7 (27.Qf5 Nf6 (27...Bf5?? 28.Re8) 28.Qc8 Ng8=) 27...Qc6 (27...Nf6 28.Qc7 Qa3 29.d5-/+) 28.Qe7 (better 28.Qc6 bc6 29.Kf2=+) 28...h6?? (better 28...Kg8 29.c4 f4-/+) 29.Re6+= Qc3 30.Rg6 Qc1?? (better 30...Qd4 31.Kh2 Nd6+=) 31.Kh2+- Qf4 32.Rg3 Qd4 (32...g5 33.Qe8 Kg7 34.Qe5 Qe5 35.de5+-) 33.Qe8 Kh7 34.Qf7 (34.Qg6 Kh8 35.Qf5 Qd6+-) 34...Qe5 (34...f4 35.Rg4 Qe5 36.Qf4 Qf4 37.Rf4+-) 35.Qg6 (35.d4 Qd4 36.Qf5 Kg8+-) 35...Kg8 (35...Kh8 36.d4 Qd4 37.Qf5+-) 36.Qh5 (36.d4 Qd4 37.Qe6 Kh7 38.Qf5 Kg8+-) 36...Qf6 (36...b6+-) 37.Qg6 (37.Qe8 Kh7 38.Qc8 c6+-) 37...Qe5 38.Qh5 (38.d4 Qd4 39.Qe6 Kh7 40.Qf5 Kg8+-) 38...Qf6 39.Qe2 (39.Qe8 Kh7 40.Qc8 c6+-) 39...f4 (39...Kh7 40.Qf3 c6 41.Qf4+-) 40.Rf3 g5 41.Qe4 (41.Qe8 Kg7+-) 41...c6 42.Qe8 Kg7 (42...Kh7 43.h4 Qg6 44.Qa8+-) 43.Qd7 Kg6 (43...Qf7 44.Qf7 Kf7 45.g3+-) 44.Rf2 (44.Qb7 a5+-) 44...Qe5 (44...Qg7 45.Qe8 Qf7 46.Qf7 Kf7 47.g3+-) 45.Qg4 (better 45.Qb7 Qb5 46.Qb5 cb5+-) 45...f3 (45...Qd6+-) 46.Qg3 (46.Qg3 Qg3 47.Kg3 fg2 48.Rg2+-; 46.g3 Qe3 47.Qf3 Qf3 48.Rf3 g4+-) 1-0. Uchatzy,Wolfgang - Medvegy,Judit, Mureck op U12, 1996.

7.e3 d5=+ 8.Be2 Re8 9.0-0 Bf5 A) 10.d4 Bd6 11.Nbd2 a6 12.c4 dc4 13.Nc4 Be7 14.Rc1 Rc8 15.Nce5 Ne5; B) 10.Re1 a6 11.d3 (11.Nc3 b5 12.Qc1 Qd6 13.d4 Bb6 14.Bd3 Ne7 15.e4 de4; 11.Qc1 d4 12.ed4 Nd4 13.Nd4 Bd4 14.c3 Ba7 15.d4 c5) 11...d4 12.ed4 Nd4 13.Nbd2 b5 14.Nb3 Nb3 15.cb3 Nd5; C) 10.Nh4 Be6 11.Nf3 (11.Bb5 Bd6 12.Nf3 Qe7 13.Bc6 bc6 14.Be5 Bg4 15.Bd6 cd6; 11.Re1 a6 12.Nf3 d4 13.ed4 Nd4 14.Nd4 Bd4 15.c3 Bb6) 11...a6 12.d4 Bd6 13.Nbd2 Ne4 14.c4 Nd2 15.Nd2 Qh4; D) 10.Nc3 a6 11.Re1 (11.d3 b5 12.Re1 d4 13.ed4 Nd4 14.Qd2 Qd6 15.Nd4 Bd4) 11...b5 12.d3 d4 13.ed4 Nd4 14.Qd2 Qd6 15.Nd4 Bd4.

7.e3 Qe7 8.d4= Bd6 (8...Bb6 9.Bd3=) 9.Bd3+= Ne4 (9...a6+=) 10.Nc3 (better 10.c4+=) 10...b6?? (better 10...Nc3 11.Bc3 Ba3=+) 11.Ne4+- Bb7 12.Nd6 Qd6 13.c4 Ne7 14.Qc2 (14.0-0 Rae8+-) 14...Bf3 15.gf3 (15.Bh7 Kh8 16.gf3 f5 17.Bf5 Nf5+-) 15...g6 (15...f5 16.h3+-) 16.Qc3 (16.h4 h5+-) 16...a5 (16...c6 17.d5! f6 18.h4+-) 17.a4 (17.h4 h5+-) 17...Qb4 (17...c6 18.Rb1+-) 18.Be4 (18.h4 d5+-) 18...d5 (18...c6 19.Bd3+-) 19.cd5 (19.Bd5!? c6 20.Be4 Rfe8+-) 19...Qc3 20.Bc3 (20.Bc3 f5 21.Bd3 Nd5 22.Bd2+-) 1–0. cardinal8 – pawnster64, gameknot.com, 2018.

6.a3 Be7

7.Nc3 Na5 8.e4 d5 9.e5 Ne4 10.Be2 Nc4 11.Bc4 Nc3 +=.

7.Nc3 d5 8.e3 Re8 9.Be2 Be6 10.Rb1 a6 11.0-0 Bd6 +=.

7.e3 d6 8.c4 Bg4 9.Be2 h6 10.Qc2 Bh5 (10...d5!?=+) 11.Nc3= Bg6 12.Qa4 a6 13.d4 (13.0-0 Ne5=) 13...Ne4 (13...b5 14.cb5 ab5 15.Qd1=+) 14.Ne4 Be4 15.0-0 d5 (15...Bf6 16.Nd2 Bf5 17.Bf3=) 16.c5 Qd7 17.Nd2 Bf5 18.Rac1 ½–½. combijack (1750) – emilcioran (1970), gameknot.com, 2009.

7.e3 Re8 8.Nc3 a6 9.Be2 d5 10.0-0 Bd6 11.d3 Ne5 +=.

7.e3 Re8 8.Be2 d5 9.0-0 a6 10.Bf6 Bf6 11.d4 Bg4 +=.

7.e3 Re8 8.Be2 d5 9.0-0 Bf5 10.d3 Qd6 11.Nc3 a6 12.Rb1 =.

7.h3 Na5 8.e3 (8.Bc3 c6 9.e3 d5 10.Be2 Ne4 11.Be5 Nc4+=; 8.d3 d5 9.e3 c5 10.Be2 Qb6 11.Qc1 Qe6+=) 8...d5 9.d3 c5 10.Be2 Qb6 11.Qc1 Qe6 +=.

7.h3 a6 8.g3 (8.e3 Re8 9.Be2 d5 10.0-0 Be6 11.Nc3 d4+=) 8...Rb8 9.Bg2 d5 10.0-0 Re8 11.e3 Bf5 +=.

7.h3 b5 8.e3 (8.g3 Na5 9.d3 d5 10.Bg2 a6 11.Nbd2 c6+=; 8.e4 Ne4 9.Bb5 Rb8 10.Bc6 dc6 11.Be5 Bf6+=) 8...a6 9.c4 b4 10.Be2 Rb8 11.ab4 Nb4 =.

7.h3 Rb8 8.Nc3 (8.e3 Re8 9.Be2 a6 10.0-0 b5 11.a4 b4+=; 8.Bf6 Bf6 9.d4 d5 10.e3 Ne7 11.Bd3 c5+=) 8...d5 9.e3 Re8 10.Be2 Qd7 11.0-0 a6 +=.

7.h3 d5 8.d3 (8.e3 Be6 (8...Ne4+= 9.d3 Ng5 10.Be2 Nf3 11.Bf3 Re8=) 9.Be2 Na5 10.d3 Re8 11.0-0 c5+=; 8.Nc3 Re8 9.e3 a6 10.Bd3 Bd6 11.0-0 Qe7+=) 8...Be6 (8...d4 9.c3 Bc5 10.cd4 Nd4 11.e3 Ne6+=) 9.e3 a6 (9...Bc5 10.d4 Bd6 11.Bd3 Na5+=) 10.Be2 (10.Nbd2 Bc5 11.Nb3 Bd6+=) 10...b5 (10...Bc5 11.c3 Re8+=) 11.Nbd2 (11.0-0 Bd6+=) 11...Qd7 (11...Re8+=) 12.g4 (12.Rb1 Rfe8+=) 12...Rfb8 13.Rg1 Qd6 14.d4 (14.Ng5 Bc8+=) 14...b4 15.c3 a5 16.ab4 (16.Bd3 Kh8+=) 16...ab4-/+ 17.Ra8 Ra8 18.c4 dc4 19.Nc4 Qd5 20.Ncd2 Rb8 (20...Qd7 21.g5 Ne8 22.Bb5=) 21.Bc4 Qd7 22.Bd3 (22.Be6 Qe6 23.Qb3 Nd8+=) 22...b3+= 23.e4 Nb4 24.Bb1 Qb5 25.Qe2 (25.Nb3? Na6 26.d5 Qb3 27.Qb3 Rb3 28.Bf6 Bf6-+) 25...Nc2 (25...Nc2 26.Bc2 bc2 27.Qb5 Rb5=) =. Goudreau,Alec – Newman,Nelson, IECC, 1999.

7.h3 Nd5 8.e3 (8.e4 Re8 9.d4 Bf6 10.Nbd2 Nf4 11.Rb1 d6=) 8...d6 9.d4 Nb6 10.c4 Bf5 11.Nbd2 Re8 =.

7.h3 Ne4 8.d3 (8.e3 d5 9.Be2 Be6 10.d3 Bf6 11.c3 Nd6+=) 8...Nc5 9.d4 Na4 10.Bc1 d6 11.e4 Nb6 =.

7.h3 Re8 8.e3 Ne4 9.Be2 Nc5 10.Nc3 d5 11.0-0 Bf5 =.

7.e3 d5

8.Bb5 Na5 9.0-0 a6 (9...c6 10.Be2+=) 10.Be2 Nc6 (10...Nc4 11.Bf6 Bf6 12.d4+=) 11.c4 (11.d3 Bd6=) 11...dc4+= 12.Bc4 b5 13.Bb3 (13.Be2+=) 13...Be6 (13...Na5!?+=) 14.Be6+= fe6 15.Qc2 Nb8? (better is 15...Qd5+=) 16.Ng5+- g6 (16...e5 17.Be5 Nbd7 18.Ne6+-) 17.Ne6 Qd6 18.Nf8 Kf8 (18...Bf8 19.Bf6 Qf6 20.Qc7+-) 19.Nc3 (19.Bf6 Qf6 20.Qc7 Qa1 21.Qc8 Kg7+-) 19...Ng4 (19...c5 20.f3+-) 20.f4 Bf6 (20...Qe6+-) 21.h3 Nh6 (21...Ne3 22.de3 Qe6 23.f5 gf5 24.Rf5+-) 22.Ne4 (22.Ne4 Qc6 23.Qc6 Nc6 24.Nf6+-) 1–0. Wall,Bill – Ram39, internet, 2004.

8.Bb5 Bg4 9.0-0 Na5 (9...a6 10.Be2=+) 10.d3 (10.h3!? Bh5 11.Be5=+) 10...a6 11.Ba4 c5 12.Bc3 (12.Nbd2 b5 13.Bb3 c4=+) 12...c4 (better 12...b5 13.Bb3 Nb3 14.cb3 d4 15.ed4 cd4-/+) 13.Ba5?? (better 13.Qd2 Nc6 14.dc4 Bf3 15.gf3=+) 13...Qa5-+ 14.c3 cd3 15.h3 Bf3 16.gf3 Bd6 (16...Rac8 17.Ra2-+) 17.f4 Ne4 (17...Rac8!? 18.Bb3-+) 18.Bb3 d4 (18...Nc5!? 19.Bd5 Rad8-+) 19.cd4-/+ Qb5 20.f3? (better 20.a4 Qf5 21.Qd3=+) 20...Ng3-+ 21.Rf2? (21.Nd2 Rac8 22.Rf2-+) 21...Ne2 22.Kg2 (22.Kf1 Rfe8 23.Ba4 Qf5 24.Be8 Re8 25.Re2 Bf4-+) 22...Rfe8 23.Ba4 Qh5 (better 23...Qf5 24.Be8 Re8 25.Re2 de2 26.Qe2 Bf4 27.e4 Qg5 28.Kf1-+) 24.Be8?? (better 24.Qd3 Re3 25.Qe3 Nf4 26.Kf1 Qh3 27.Kg1-/+) 24...Re8?? (better 24...Qg6 25.Kh1 Re8 26.Re2 de2 27.Qe2 Bf4-+) 25.Re2?? (better 25.Qd3 Ng3 26.Nc3+- (26.Kg3?! Re3 27.Qf1 Qh6=)) 25...de2-+ 26.Qe2 Bf4 27.e4 (27.Nd2 Re3 28.Qf1 Qg6 29.Kh1-+) 27...Rc8 28.Qd2 (28.Nd2 Rc6 29.Kf2 Qh4 30.Kf1-+) 28...Bd2 29.Nd2 (29.Kf2 Qh4 30.Kg2 Qg5 31.Kf2 Rc2 32.Ke2 Qe3 33.Kf1 Qf3 34.Kg1 Be3) 29...Qg5 30.Kf1 (30.Kh1 Qd2 31.Rd1 Qd1 32.Kg2 Rc3 33.Kh2 Qf3 34.Kg1 Qe2 35.d5 Rc1) 30...Qd2 31.Re1 (31.Rd1 Qd1 32.Kf2 Rc3 33.d5 Rf3 34.Kg2 Qf1 35.Kh2 Rh3) 31…Rc2 (31...Rc2 32.Re2 Qe2 33.Kg1 Qg2) 0-1. Taavan - ariesrudy (2440), Rated Blitz tournament, lichess.org, 2016.

8.Bb5 Bg4 9.h3 Bh5 10.g4 Bg6 11.Bc6 bc6 12.Ne5 Qe8 13.Ng6 fg6 14.Be5 (14.Nc3 d4 15.Ne2 Ne4-/+) 14...Ne4-/+ 15.Bf4?? (better is 15.Bg3-/+) 15...Rf4! -+.

8.Bb5 Bg4 9.h3 Bh5 10.g4 Bg6 11.Rg1 Qd6 12.g5 Nd7 13.Nd4 Nd4-/+ 14.Bd4 c5 15.Bb2 a6 16.Ba4 b5 -+.

8.c4 Be6 9.Qc2 Qd7 10.d4 Rad8 11.Nbd2 Rfe8 (11...Bf5 12.Qb3=+) 12.h3 (12.Bd3 dc4 13.Nc4 h6=) 12...Bf8 (12...Bf5 13.Qb3=+) 13.Bd3= dc4 14.Nc4 Nd5 (better 14...Qd5!?=) 15.Nce5+/- Ne5 16.Ne5 Qd6 17.Bh7 Kh8 18.Bd3 c6 19.Nc4 Qe7 20.0-0 Qg5 (20...Kg8 21.Rfb1+/-) 21.f4 Qh4 22.Bc3 (better 22.f5 Bd7 23.Ne5+/-) 22...b5= 23.Ne5 Ne3 24.Qf2 Qf2 25.Rf2 (25.Kf2? Nf1 26.Kf1 Bd5-+) 25...Bf5?? (25...Bd5!?=) 26.Be2?? (26.Nf7 Kg8 27.Nd8 Rd8+-) 26...Be4? (26...Kg8 27.Nc6 Rc8 28.Bb5+=) 27.Bf3 (27.Nf7 Kh7 28.Nd8 Rd8+-) 27...Bd5 (better 27...f5 28.Be4 fe4 29.Nf7 Kh7 30.Nd8 Rd8+/-) 28.Nc6?? (better 28.Bd5 Rd5 29.Re1+-) 28...Rc8= 29.Na7 Rc3 Attacks the isolani on a3 30.Nb5 Rc4 31.Be2 (31.Re1 Rb8 32.Re3 Bf3 33.Rff3 Rb5=) 31...Rc2 (31...Ra4!? 32.Bd3 Bc4 33.Bc4 Nc4-/+) 32.Bd3= Rf2 33.Kf2 Bc4 (33...Ng2!? 34.Nc7 Nf4 35.Ne8 Nd3 36.Ke3 Nb2=+) 34.Bc4+= Nc4 35.a4 Ra8 36.g4 Kg8 37.f5 f6 (37...Bb4 38.g5=) 38.h4 (38.Ke2 Ra6+=) 38...Kf7 39.g5 (39.h5=) 39...Bb4 (better 39...fg5!? 40.hg5 Be7=+) 40.Rc1+= Rc8 41.Kg3 (better 41.Ke2+/-) 41...Bd2?? (better 41...Nd6 42.Rc8 Nc8=) 42.Rc4!+- Rc4 43.Nd6 Ke7 44.Nc4 Bc1 (44...Be1 45.Kg4+-) 45.Kg4 Kd7 46.a5 Kc6 (46...fg5 47.hg5 Kc6+-) 47.gf6 gf6 48.h5 (better 48.a6!? Bh6+-) 48...Kb5 49.Nd6 (better 49.d5 Kc4 50.d6+-) 49...Ka5 50.Ne8 Kb6 (50...Bg5 51.Nf6! Bf6 52.h6+-) 51.Nf6 Kc6 52.Kf3 Kd6 53.Ke4 White intends d5 53...Ke7 54.Nd5 (54.Ke5 Kf7+-) 54...Kf7 55.Nf4 Kf6 (55...Ba3 56.Ne6+-) 56.d5 Ba3 57.h6 Bf8 (57...Kf7+-) 58.h7 Bg7 59.d6 (59.d6 Bh6 60.h8Q Kg5 61.Qc3 Kg4 62.Qh3 Kg5 63.Qg3 Kf6 64.Qg6) 1-0. zembelek (2135) - Alexinio99 (2180), Rated Blitz game, lichess.org, 2014.

8.c4 Be6 9.cd5 Bd5 10.Nc3 Be6 11.Qc2 Na5 12.Ng5 Nb3 (12...Bb3!? 13.Qf5 h6=+) 13.Rb1+= (worse 13.Ne6 Na1 14.Ba1 fe6-/+) 13...Nc5 14.Ba1 Bg4 15.d4 g6?? (better 15...h6 16.Nf3 Ncd7+=) 16.dc5+- 1-0. forsetinn (2400) - postalpeet (1945), gameknot.com, 2015.

8.c4 Be6 9.cd5 Bd5 10.Be2 Re8 (10...Ne4 11.d3 Nc5 12.Nc3=) 11.Nc3= Be6 12.0-0 Nd5 13.Qc2 Bf6 14.d4 Nce7 15.Nd5 Nd5 (15...Bd5? 16.e4 Bc6 17.e5 Bf3 18.Bf3+- (18.gf3?! Bg5=)) 16.e4 Nf4 17.e5 (17.Bd1 c6=) 17...Ne2=+ 18.Qe2 Be7 19.Rad1 Bd5 20.Rfe1 c6 21.Nd2 f6 (21...Qd7 22.Ne4=+) 22.Nc4 Qc7 (22...Qd7 23.Ne3=) 23.Qd3 (23.Ne3 Qd7=) 23...Rad8=+ 24.Ne3 fe5 25.Nd5 Rd5 26.Qc4 (26.Re5 Red8 27.Rd5 Rd5=) 26...Kh8 (26...b5!? 27.Qb3 ed4 28.Rd4 Red8=+) 27.de5= Rd1 28.Rd1 Bf8 29.Re1 White intends e6 29...Qb6 (29...b5 30.Qe4=) 30.Qc3 (better 30.Qf7 Rc8 31.Bc3+=) 30...Rd8?? (better 30...c5=) 31.e6+- Qc5 32.Qg3?? (better 32.e7 Qc3 33.Bc3 Be7 34.Re7 Rd1 35.Be1+-) 32...Qe7+= 33.h3 Rd2 34.Qc3 Rd6 35.Qc4 b5 36.Qb3 a5 37.Re3 (37.Be5 Rd5=) 37...a4 38.Qa2 h6 (better 38...Rd1 39.Kh2 Qc7 40.Be5 Bd6=) 39.Qb1?? (39.Be5 Rd1 40.Kh2+=) 39...Qd8?? (better 39...Re6 40.Qd3 b4-+) 40.Kh2 (40.Qg6 Qe7 41.Be5+/-) 40...Rd1 (better 40...Rd2!? 41.Be5 Qg5=) 41.Qe4 (41.Qg6 Bd6 42.g3 Qe7+-) 41...Qd6 (41...Bd6 42.f4 Rd2+-) 42.g3 (better 42.Be5 Qe7 43.Qc6+-) 42...Qd2?? (better 42...Rd2 43.Bg7 Kg7+/-) 43.Qf3 (better 43.Rf3 Qd8 44.Rf7+-) 43...Re1 (43...Qd8 44.Qg4 Rf1+-) 44.Qf8 Kh7 45.Qf5 (45.Qg7) 45...Kh8 46.Qf8 Kh7 47.Qg7 1-0. brucepeng (2020) - Kncan28 (2090), lichess.org, 2020.

8.c4 Re8 9.d4 Bg4 10.Nbd2 Ne4 11.Be2 Nd2 12.Nd2 Be2 13.Qe2 Bf6 14.0-0 (14.Nf3 Na5 15.cd5 Nb3=) 14...Bd4 (14...Nd4!? 15.Qg4 Ne2 16.Qe2 Bb2-/+) 15.Bd4= Nd4 16.Qd3 Ne6 17.cd5 Nc5 18.Qc4 b6 19.Rfd1 Qe7 20.Rab1 (20.Nb3 Ne4+=) 20...Rad8 21.h3 (21.Nb3 Ne4 22.Nd4 Qa3=) 21...Kh8 (21...Rd6 22.Nb3 Nb3 23.Qb3=) 22.Nb3 Ne4 23.Nd2 Nd6 (23...Nf6 24.Nf3=) 24.Qa4 a5 25.Rbc1 Nb7 26.Qc6 Nc5 27.Nc4 Ne4 28.Nd2 Nf2 (better 28...Nc5!? 29.Nb1 Rd7=) 29.Kf2+/- Qe3 30.Kf1 Re5 (30...Rd6 31.Qc7 Qd3 32.Kg1 Qd4 33.Kh1 Qd5+-) 31.Nf3+- Rf5? (31...Re7!?+-) 32.Qc3 (better 32.Rc3!? Qe7 33.Qc7 Qc7 34.Rc7 Kg8+-) 32...Qc3 33.Rc3 Rd6 (33...c5 34.d6 Rf6 35.d7+-) 34.Rc7 g6 35.Rc6 Rdd5 36.Rd5 Rd5 37.Ke2 (37.Rb6!? Rd3+-) 37...Rb5 38.Nd4 Rb2 39.Rc2 Rb1 40.Rc6 Rb2 41.Rc2 Rb1 42.Rc6?? (42.Rc7 Rb2 43.Kf3 Rd2+-) 42...Rb2 43.Kf3 Rd2 (43...Kg7 44.g3+-) 44.Nb5 Rd3 45.Kf2 Rb3 46.Rb6 Kg7 47.Rb7 Rb2 (47...Kf6 48.Ke2+-) 48.Kg1 Rb1 49.Kh2 a4 (49...Rb3 50.Nd6 Ra3 51.Rf7 Kg8 52.Ra7+-) 50.Nd6 Rf1 51.Rb4 1-0. tightfist (2560) - edqwerty (2685), net-chess.com, 2023.

8.c4 Re8 9.d4 Bg4 10.Nbd2 Ne4 11.Be2 Bf6 12.0-0 (12.cd5 Qd5 13.Ne4 Re4=) 12...Nd2=+ 13.Nd2 (13.Qd2 dc4 14.Bc4 Bf3 15.gf3 Ne5=) 13...Be2 14.Qe2 Nd4 15.Bd4 (15.Bd4 Bd4 Combination; 15.ed4 Re2 Pinning (15...Re2 Deflection)) 15...Bd4 16.Rab1 b6 17.Qd3 Bf6 (17...Bc5 18.cd5 c6 19.Ne4 cd5 20.Nc5 bc5 21.Rb7=+) 18.cd5= c6 19.e4 cd5 20.ed5 Rc8 21.Ne4 White intends d6 21...Re5 The isolani on d5 becomes a target (21...Be5 22.f4 Bd6 23.Rbe1=) 22.Rfd1+= Qe7 (22...Bh4!?+=) 23.d6+/- Qe6 24.d7 (24.Nf6 Qf6 25.Qa6 Rc2+/-) 24...Rd8+= 25.Nf6 Qf6 26.Rbc1 Qe7 27.h3 (27.Rc8 Re1 28.Re1 Qe1 29.Qf1 Qe7+/-) 27...g6 (27...Re6!?+=) 28.Rc8+/- Kg7?? (better 28...Re1 29.Re1 Qe1 30.Kh2 Qe7+/-) 29.Qd4 (29.Rd8 Qd8 30.Qc3 f6+-) 29...f6 30.Rd8 (better 30.Qd6 Rd7 31.Qd7+-) 30...Qd8+/- 31.Qd6 Re7?? (31...Kf7 32.f4 Re6 33.Qd3+/-) 32.h4 (32.Qe7 Qe7 33.d8Q Qd8 34.Rd8 Kh6+-) 32...h5?? (32...Rf7 33.Qc6+/-) 33.f3 (33.Qe7 Qe7 34.d8Q Qd8 35.Rd8 Kh6+-) 33...b5?? (33...Rf7 34.Qe6+/-) 34.g4 (better 34.Qe7! Qe7 35.d8Q Qd8 36.Rd8+-) 34...hg4+/- 35.fg4 a5 (35...Re4 36.Kf1+/-) 36.h5 (36.Qc6!? Rf7 37.Qb5+-) 36...gh5 37.gh5 Kf7 (37...Re5!?+/-) 38.Kf1 (38.Qd5 Kg7 39.Kf2 Kh8+-) 38...b4 39.ab4 ab4 40.Qd5 (40.Qb4?! Rd7 41.Qc4 Kf8 42.Qc5 Kg7 43.Rd7 Qd7 44.Qg1 Kh8=) 40...Kg7 41.Qg2 Kf7 (41...Kh8 42.h6 Kh7 43.Qc2 Kh6 44.Qc1 Kg6+-) 42.Qg6 Kf8 43.Qh6 (better 43.h6 Rd7 44.Qg7 Rg7 45.Rd8 Kf7 46.Rd7 Kg6 47.hg7+-) 43...Kf7?? (43...Rg7 44.Qd2 Rg5+/-) 44.Qh7 (44.Rd6 Re1 45.Ke1 Qe7 46.Kf2 Qd6 47.Qg6 Ke6 48.Qe8 Kf5 49.d8Q Qh2 50.Ke1 Qg3 51.Kd2 Qc3 52.Ke2 Qc2 53.Qd2 Qc4 54.Qd3 Qd3 55.Kd3+-) 44...Kf8 (44...Ke6 45.Re1 Kd7 46.Rd1 Kc8 47.Qf5 Rd7+-) 45.Qh8 Kf7 46.Qd8 b3 47.Qe7! (47.Qe7 Ke7 48.d8Q Kf7 49.Qd7 Kf8 50.Re1 b2 51.Re8) 1-0. jhonores (2240) - Checkx (2190), Rated Bullet game, lichess.org, 2020.

8.Be2 Be6 9.0-0 Qd7 10.d3 Rad8 11.Nbd2 Rfe8 12.Nb3 b6 13.Ng5 Bf5 14.Bf3 (14.Nf3 a5=) 14...Bg6 (14...h6!? 15.e4 hg5 16.ef5 Qf5-/+) 15.Be2 h6 16.Nf3 a5 17.Nbd2 Qc8 18.Kh1 Nb8 19.Ng1 Bh7 20.Bf3 c5 21.Rb1 Nc6 22.Ba1 Qd7 (22...Qb7!?=) 23.Rb6+= Qc7 24.Rb1 (24.Qb1 Ne5+/-) 24...Ne5 25.Be5 Qe5 26.Nb3 a4 27.Nd2 d4?? (27...Bd6!? 28.g3 Qc3=) 28.g3 (28.Bc6!? Nd7 29.Ba4+-) 28...de3 29.fe3 Qe3 30.Qe1 (30.Bc6 Nd7+=) 30...Qd4 (30...Qe1 31.Rfe1 Bf5 32.Bc6=) 31.Qf2 (better 31.Bc6!?+=) 31...Qc3 32.Rfc1 Qa3?? (better 32...Bf5 33.Bc6 Bd7 34.Bd7 Rd7=) 33.Ne4?? (better 33.Nc4 Qc3 34.Ne2+-) 33...Qa2 (better 33...Ne4!? 34.Be4 Be4 35.de4 Bf6-+) 34.Nf6 Bf6 (worse 34...gf6 35.Ra1 Qb2 36.Rcb1+/-) 35.Ra1?? (35.Qc5 Rc8 36.Qb5-+) 35...Ba1-+ 36.Bh5 (36.Qc5 Bb2 37.Rf1 Bd4-+) 36...Rf8 (36...Bd3 37.Qf7 Qf7 38.Bf7 Kf7 39.cd3-+) 37.Rf1 Bb2 38.Ne2 a3 39.Nf4 (39.Bf3 Qe6 40.Qc5 Qc8-+) 39...g5 (39...Bd4 40.Qe2 Qb2 41.Qe7-+) 40.Nh3 (40.Ne2 Qe6 41.Nc1 g4-+) 40...Qd5 41.Kg1 (41.Bf3 Qd4 42.Qg2-+) 41...Bd4 42.Bf3 Bf2 43.Rf2 Qd4 44.Kg2 a2 45.Be4 a1Q (45...Be4 46.de4 Qe4 47.Rf3 Rd2 48.Nf2 g4 49.h3 Qf3 50.Kg1 a1Q 51.Kh2 Qf2) 46.Bh7 Kh7 47.Ng5 (47.Ng1 Qe1 48.Rf5 Qeg1 49.Kh3 g4 50.Kh4 Qh2) 47...Kg8 (47...hg5 48.Rf3 Qag1 49.Kh3 Qh4 50.gh4 g4) 48.Ne4 Qc1 (48...f5 49.Rf4 fe4 50.Rg4 Kh7 51.Kh3 Qf1 52.Kh4 Qdf6 53.Kh5 Rd5 54.Rg5 Qg5) 49.Nf6 Qf6! 50.Rf6 (50.Rf6 Qb2 Double attack (50...Qb2 Decoy)) 50...Qc2 51.Rf2 Qd3 52.Rf3 c4 (52...Qe4 53.Kf2 Rd2 54.Kg1 Qf3 55.h3 Qd1) 53.Rd3 cd3 54.Kh3 (54.h3 d2 55.g4 d1Q 56.Kf2 Rd3 57.Kg2 Qe2 58.Kg1 Rd1) 54...d2 55.Kh4 d1Q 56.g4 Qd5 (56...Qd5 57.Kg3 Qb3 58.Kh4 Rd3 59.g5 Qc4 60.Kh5 Rh3; 56...Qg1 57.h3 Rd3 58.g5 Qg5) 0-1. Jimito100 (1845) - Zarrapastroso (2355), Hourly Bullet Arena, lichess.org, 2020.

8.Be2 Be6 9.Nd4 Nd4 Black is in command 10.Bd4 c5 11.Be5 Re8 12.0-0 Nd7 13.Bg3 Bf6 14.d4 (14.c3 Qe7=+) 14...Rc8 (14...cd4 15.ed4 Qb6 16.c3-/+) 15.Nc3? (15.c3 Qb6 16.Qd2 Bf5=+) 15...a6 (better 15...cd4 16.Nb5 de3-+) 16.Qd2? (better 16.Bf3 cd4 17.Nd5 Bd5 18.Bd5 de3 19.fe3 Re3 20.Rb1-/+) 16...cd4-+ 17.ed4 Qa5 18.Ne4 Qd2 19.Nd2 Rc2 20.Rad1 Bd4 21.Bd3 (21.Bf3 Be5-+) 21...Rcc8 (21...Ra2 22.Nb1 Bc5 23.Rfe1-+) 22.Bd6 (22.Nf3 Bf6-+) 22...Bf6 (22...Bg4 23.Rc1-+) 23.Rb1 (23.Rfe1 Rc6 24.Bf4 Be7-+) 23...b5 24.Bb4 (24.Rfc1 Nb6-+) 24...Nb6 (24...Ne5 25.Be2-+) 25.h3 Nc4 26.Nf3 d4 27.Rfd1 Red8 28.g4 g6 29.Be4 Rc7 (29...a5 30.Bd2-+) 30.Bd3 (30.Rd3-+) 30...Ne5 (better 30...Bd5 31.Nd2 Na3-+) 31.Ne5-/+ Be5 32.Ba5 Rdc8 33.Bc7 Rc7 34.Re1 Bf6 35.Red1 (35.Rbc1 Rc3 36.Rc3 dc3-/+) 35...Bc4 (better 35...Rc3!?-+) 36.Rbc1 Kf8 37.f4 Ke7 (37...Be7 38.a4-/+) 38.g5 Bg7 39.h4 Kd6 40.Rb1 (40.Kf2 f5-/+) 40...Bd3 41.Rd3 Rc3 (41...Kd5 42.Re1-+) 42.Rc3 dc3 43.Kf1 Kc5 44.Ke2 Kc4 (44...a5!? 45.Kd3 b4-/+) 45.Rb4=+ Kc5 (45...Kd5 46.Kd3=+) 46.Kd3 (46.Rb1 a5 47.Kd3 b4-/+) 46...a5 (better 46...Kc6!?=+) 47.Re4+= b4 48.ab4 ab4 49.Rc4 Kb5 50.Rc7 b3 51.Rb7 Ka4 52.Ra7?? (52.Kc4 Ka3 53.Rb3 Ka2 54.Rc3 Bc3 55.Kc3+-) 52...Kb4-+ 53.Rb7 (53.Rf7 c2 54.Rc7-+) 53...Ka3 54.Ra7 (54.Rf7 c2 55.Rc7-+) 54...Kb2 Black prepares the advance c2 55.Rc7 c2 56.Kd2 Kb1 (better 56...Bf8!? 57.h5-+) 57.Rc6 Bb2 (57...Bb2 58.Ke2 Bc3 59.Rc3 b2-+) 0–1. petrobbo (1965) – johnpolanyk (1935), ChessWorld.net, 2018.

8.Be2 Re8 9.0-0 Be6 10.Nc3 a6 11.Re1 d4 =.

8.Be2 Re8 9.d4 Ne4 10.0-0 Be6 11.Nbd2 f5 12.Ne1 (12.c4 dc4 13.Nc4 Bd5=) 12...Bd6=+ 13.f4 Qh4 14.Nef3 Qh6 15.c4 (15.Ne4 fe4 16.Ng5 Na5=) 15...Nd2 (15...dc4 16.Ne4 fe4 17.Ng5=) 16.Qd2= Ne7?? (better 16...Be7=) 17.c5+- Ng6 (17...Nc8 18.cd6 Nd6 19.Rac1+-) 18.cd6 cd6 19.Rac1 b6 20.Bd3 Bd7 21.Qf2 Nf8 22.Qg3 (22.Rc7 Qe6+-) 22...Re7? (better 22...Re3 23.Bc2 Ng6+-) 23.Ng5 Rae8 24.Qh3 (24.Qf3 Re3 25.Qd5 Be6+-) 24...Qf6? (24...Re3!? 25.Rf3 Qh3 26.Nh3 Rf3 27.gf3 Re3+/-) 25.Rce1 (better 25.Qf3+-) 25...h6 26.Nf3 Re3 27.Re3 Re3 28.Rd1 Ne6 29.Bc1?? (better 29.Qf5 Nf4 30.Qf6 gf6 31.Ba6+-) 29...Nf4-+ 30.Qg3 (30.Be3 Nh3 31.gh3-+) 30...Rd3 31.Rd3? (31.Re1 Ng6 32.Qf2-+) 31...Nd3 (better 31...Ne2 32.Kf2 Ng3 (32...Nc1?! 33.Rc3 f4 34.Qh4-/+) 33.Kg3 g5-+) 32.Nh4 (32.Bd2-+) 32...Qd4 33.Kh1 (33.Qe3 Nc1 34.Qd4 Ne2 35.Kf2 Nd4 36.Ng6-+) 33...Nf2 34.Qf2 Qf2 35.h3 Qf1 (35...Qh4 36.Bd2 Qf2 37.Bc1 d4 38.Be3 de3 39.Kh2 Bc6 40.h4 Qg2) 36.Kh2 Qc1 37.Nf5 Qf4 (37...Bf5 38.h4 Be4 39.h5 Qd2 40.Kg3 Qg2 41.Kh4 Qf2 42.Kg4 Bf5) 38.g3 (38.Kh1 Qf1 39.Kh2 Bf5 40.Kg3 g5 41.Kh2 Be4 42.Kg3 Qg2) 38...Qf5 (38...Qf2 39.Kh1 Bf5 40.g4 Be4) 39.h4 (39.Kg2 Qe4 40.Kf2 Bh3 41.g4 d4 42.Kg3 Qg2 43.Kf4 Qg4) 39...d4 (39...Qf2 40.Kh1 d4 41.h5 Bc6) 40.g4 (40.Kg2 Bc6 41.Kh2 Qf1 42.h5 Qg2) 40...Bc6 (40...Qf2 41.Kh3 h5 42.a4 Bg4) 41.Kg3 (41.gf5 d3 42.Kh3 d2 43.Kg4 d1Q 44.Kg3 Qf3 45.Kh2 Qg2) 41…Qf3 (41...Qf3 42.Kh2 Qg2) 0-1. VoodooSanta (2275) - opperwezen (2800), lichess.org, 2017.

8.Be2 Bf5 9.0-0 Na5 10.d3 Bd6 11.Nbd2 Re8 12.Nd4 Bd7 13.c4 c5 14.Nb5 Bb8 15.Nc3 dc4 (15...d4 16.ed4 cd4 17.Nce4=+) 16.dc4= Bc6 17.Nf3 a6 18.Qd8 Rd8 19.Rad1 Bc7 20.Nh4 g6 21.Nf3 Ne4 (21...Kf8 22.Rd8 Rd8 23.Nb5 ab5 24.Bf6=+) 22.Nd5 (22.Ne4 Be4 23.Bf6 Rdc8+=) 22...Bd5 23.cd5 c4 24.Nd2 Nd2 25.Rd2 Bd6 26.Bf6 Re8 27.a4 b5 28.Rc2 Nb3 29.Rb1 Be5 30.Be5 Re5 31.Bf3 Rd8 32.ab5 ab5 33.Kf1 f5 (33...Kg7 34.Ra2=) 34.Ra2 Kf7 (worse 34...Red5 35.Bd5 Rd5 36.Ke2+=) 35.Bd1 Red5 36.Bb3 cb3 37.Rb3 Ke6 38.Ke2 Kd6 39.Kf3 Kc5 40.Rc2 Kb6 41.g4 Rc5 42.Rcb2 Rdd5 43.Rb4 ½–½. Wolf – Tiemann, Privatpartie, 1999.

8.Be2 Bf5 9.0-0 a6 10.d3 h6 (10...Qd6 11.Nbd2=) 11.Nbd2= b5 12.c4 (12.Nb3 Bd6=) 12...dc4 (12...bc4 13.dc4 Rb8 14.Qc1=) 13.dc4= Rb8 Black prepares the advance b4 14.cb5 ab5 15.Qc1 Qd5 16.a4 b4 17.Rd1 Bg6 (better 17...Rfd8!?=) 18.a5+- Rfd8 (18...Ra8 19.a6+-) 19.a6 Ra8 (19...Bh7 20.Nd4 Nd4 21.Bd4+-) 20.Nh4+- Bh5 21.Ndf3 Qe6 (21...Qe4 22.Rd8 Rd8 23.Nf5 Qf5 24.Qc6+-) 22.Rd8+- Bd8 23.Qc2 b3 (23...Qe4!? 24.Bd3 Qe6+-) 24.Qc3+- g5? (better 24...Be7 25.Bc4 Qe4 26.Bb3 Bb4+-) 25.Nf5! Qf5 26.Qc6 Qe4 (26...Ra7 27.Nd4 Qe5 28.Bh5 Nh5 29.Qd7+-) 27.Qb7 Qb7 (27...Bg6+-) 28.ab7 Rb8 (28...Ra1 29.Ba1 Nd7+-) 29.Ra8 Nd7 30.Ne5 (30.Ne5 Nc5 31.Rb8 Nb7 32.Bh5 Kf8 33.Rb7 Ke7 34.Nf7 Ke6 35.Nd8 Kd5 36.Rc7 Kd6 37.Rb7 Kd5 38.Bf7 Ke4 39.Rd7 Kf5 40.f3 h5 41.Rd5) 1–0. Hoch,Hubertus (2325) – Mueller_Toepler,Michael (2040), RSLE–2011, 2011.

8.Be2 Bf5 9.0-0 Bg4 10.h3 Be6 11.d3 Bd7 12.Nbd2 Re8 13.c4 a6 14.cd5 Nd5 15.e4 (15.Qc2 Rb8=) 15...Nf6 (15...Nf4 16.d4=) 16.Re1 (16.d4 Rc8+=) 16...Bc5 (16...Bd6 17.Qc2=) 17.Nb3 (17.d4 Bb6 18.Qc2 Na5+=) 17...Ba7 18.d4 (18.Qc2!?=) 18...Ne4=+ 19.d5?? (19.Bd3!? Nf6 20.Re8 Be8 21.Nc5=+) 19...Ne7 (19...Bf2 20.Kh2 Na7 21.Nbd2 Be1 22.Ne4 Re4 23.Qe1-+) 20.Qc2?? (20.Nbd4 Nd5 21.Qc2 Ndf6-+) 20...Nf2 (20...Bf2!? 21.Kh2 Be1 22.Re1 Nd5 23.Ba6 Ra6 24.Re4-+) 21.Kh2? (21.Nbd4 c5 22.Kf2 cd4 23.Bd4 Bd4 (23...Nd5?! 24.Ba7 Ra7 25.Qc5-/+) 24.Nd4 Nd5-+) 21...Ng6 (better 21...Bf5!? 22.Qc3 Qd6 23.Qe5 Qe5 24.Ne5-+) 22.Nfd4 (22.Nbd4 Nh4 23.Bc4 Nf3 24.Nf3 Re1 25.Re1 Qf8-/+) 22...Ne4 (22...Nf4 23.Bf3 N4d3 24.Re8 Be8 25.Qc3 Qd6 26.g3-+) 23.Bf3 (23.Ba6 Qb8 24.Re4 A) 24...ba6?! 25.Re8 Qe8 26.Nc6-/+ (26.Qc7?? Bb8 27.d6 Bc7 28.dc7 Qe5 29.g3 Qh5-+); B) 24...c5 25.d6 Qd6 (25...ba6?! 26.Re8 Be8 27.Nf5-+) 26.Kh1 ba6 (26...Qa6?! 27.Nc5 Bc5 28.Re8 Re8 29.Qc5-/+) 27.Re8 Re8-+ (27...Be8?! 28.Nf5 Qf4 29.Nc5-+)) 23...Nd6 24.Nf5?? (better 24.Re8 Qe8 25.Nc5-+) 24...Bf5 25.Qc3 f6 26.Re8 Qe8 27.Re1 Qd7 28.Nd4 Ne5 29.Nf5 Nf5 30.Be4 Nd6 31.Qc2 Ne4 32.Qe4 Re8 33.Be5 (33.Kh1 Bc5-+) 33...Re5 34.Qb1 Qd6 35.Re5 Qe5 36.Kh1 Bb6 (better 36...Qd5 37.Qe1 Kf7-+) 37.Qb3 (37.Qd1-+) 37...Qe1 38.Kh2 Bg1 39.Kh1 Bf2 40.Kh2 Qg1 0-1. brucepeng (1995) - Jayanths06 (2025), lichess.org, 2020.

8.Be2 Bf5 9.0-0 h6 10.d4 Ne4 11.c4 Bf6 12.cd5 Qd5 13.Nc3 Nc3 14.Bc3 Ne7 15.Nd2 Bh7 (15...c5!?=) 16.Bf3+/- Qg5 (better 16...Qb5!?+/-) 17.Bb7+- Rab8 18.f4 (18.Ne4 Be4 19.Be4 Rfe8+-) 18...Qh4 (better 18...Qb5 19.Be4 Nd5 20.Bh7 Kh7 21.Qc2 Kg8+=) 19.Bf3+- c6?? (19...Nf5 20.Nc4 Bd8+-) 20.g3 Qh3 21.Ne4 (better 21.Bg4 Qf1 22.Nf1+-) 21...Nd5 (21...Be4!? 22.Be4 Nd5+=) 22.Nf6+/- Nf6 23.Rb1?? (better 23.Qa4+/-) 23...Rb1-+ 24.Qb1 (24.Qe2 Rb3 25.Qc4 Ra3-+) 24…Bb1 (24...Bb1 25.Rb1 Qf5-+) 0-1. viktor_borsdorf (2100) - naimkarakose123 (2095), Rated Classical game, lichess.org, 2016.

8.Be2 Bg4 9.0-0 Ne4 10.d3 Nc5 11.Nbd2 Bf6 12.d4 Ne4 13.c4 Nd2 14.Qd2 dc4 15.Bc4 Bf3 16.gf3 Qe7 (16...Ne5 17.Be2=) 17.Kh1 Rad8 18.Rg1 (18.Qc2 Rfe8=) 18...Ne5 19.Be2 Bh4 (19...c5 20.Qc2 cd4 21.Bd4=) 20.Rg2 (20.f4 Ng6 21.Bd3 Qd6+=) 20...Rd6 (20...c5!?=) 21.Qc2 Ng6 22.Rag1 (22.Bc3 Qe6+/-) 22...f5 (22...Re8 23.Bc3 Qe6 24.Bd3+=) 23.e4 (23.a4 Rc6 24.Bc4 Kh8 25.d5+-) 23...fe4= 24.fe4 Rf2? (better 24...Kh8 25.f3 Rdd8=) 25.Rf2+- Bf2 26.Rg2 (26.Bc4 Kh8 27.Qf2 Qe4 28.Qg2 Qg2 29.Kg2 Rb6+-) 26...Bd4? (better 26...Bh4=) 27.Rg6?? (better 27.Qc4 Kh8 28.Bd4+-) 27...Bb2?? (better 27...hg6 28.Bd4 Rd4 29.Qb3 Kf8-+) 28.Rd6= Qd6 (better 28...cd6 29.Qb2 Qe4 30.Kg1 d5=) 29.Qb2+- h6 (29...Qc6 30.Qe5+-) 30.Kg2 (better 30.Qb7!? Qa3 31.Qc7 Qe3 32.Qc4 Kh8+-) 30...Qg6 31.Kf2 (better 31.Kf3+-) 31...h5? (better 31...Qe4 32.Qb4 Qb4 33.ab4 Kf7+=) 32.Qb3 Kh8 (32...Qf7 33.Qf7 Kf7 34.Bh5 Kf6 35.Be2+-) 33.Qd3 (33.Qb7 Qf6 34.Ke3 Qh6 35.Kd4 c5 36.Kd3 Qc1+-) 33...h4? (better 33...Qg5+-) 34.Qd8 Kh7 35.Qd7 (better 35.Qh4 Qh6 36.Qh6 gh6 37.e5+-) 35...Qf6 36.Qf5 Qf5 37.ef5 g6 (37...Kh6 38.Ke3 Kg5 39.Ke4+-) 38.fg6 (better 38.f6!? Kg8 39.Bc4 Kf8 40.Kf3+-) 38...Kg6+/- 39.Bf3 b6 40.a4 a6 (40...c5!?+/-) 41.Bc6 Kf6 42.Kf3 Kg5 (42...Kf5 43.h3+/-) 43.h3 Kh5? (better 43...Kf5+-) 44.Ke4 Kg5 45.Kd5 Kf4 46.Ke6?? (better 46.Bb7 a5 47.Kc6+-) 46...Kg3+/- 47.Kd7 Kh3 48.Kc7 Kg3?? (better 48...b5 49.a5 b4+-) 49.Kb6+- h3 50.Ka6 h2 1-0. brucepeng (2005) - DEADiSH (2020), lichess.org, 2021.

8.Be2 Bg4 9.0-0 Re8 10.h3 Bh5 11.d3 Bg6 (11...Qd6 12.Nc3=) 12.Nbd2 Bd6 13.c4 Qe7 (13...Ne5 14.Be5 Be5 15.d4+=) 14.Qb3 Na5 (14...dc4 15.Nc4 Rab8 16.Nh4+=) 15.Qc3 b6 16.cd5 (16.Nh4 dc4 17.Nc4 Nc4 18.Qc4 c5+=) 16...Qf8= 17.e4 (better 17.Nh4 Nd5 18.Qc2=) 17...Nd7?? (better 17...Nd5!? 18.Qc2 Nf4=) 18.Nc4 (18.Nh4 Be5 19.Ng6 fg6+-) 18...Nc4 19.Qc4 (19.dc4?! Be4 20.Ng5 Be5=) 19...Rac8 (19...f5 20.Ng5 Nc5 21.e5+-) 20.Rfe1 (20.Nh4 Nc5 21.f4 Qe7 22.Ng6 hg6+-) 20...f6 (20...Nc5 21.Rab1+/-) 21.Nd4+- Kh8 22.Bf1 (22.Qc2 Ra8+-) 22...Ne5 (22...Qf7 23.Rac1+/-) 23.Qc2 c5 24.Ne6 Qf7? (better 24...Qe7+/-) 25.f4+- Nd7 (25...Nc6 26.f5+-) 26.f5 Bh5 27.g4 g6 28.gh5 gh5 (28...gf5 29.Kh1+-) 29.Kh1 Rg8 30.Re3 h4 31.Qf2 Rg3 32.Rg3 (32.d4 Rcg8+-) 32...hg3 33.Qf3 Rg8 34.Bg2 (34.Kg2 Be5 35.d4 cd4+-) 34...Ne5 (34...Be5 35.d4 cd4 36.Rd1+-) 35.Qe3 Qd7 (35...Nd7 36.d4+-) 36.d4 cd4 37.Bd4 Qb5 (37...Qe8 38.Qh6 Qe7 39.Rc1+-) 38.Rc1 (38.Qh6 Be7 39.d6 Qd7 40.de7 Qe7+-) 38...Nc4 (38...Qe8 39.Rc6! Bf8+-) 39.Qh6 (39.Qh6 Rg6 40.fg6 Qd7 41.Bf6 Kg8 42.Ng5 Be5 43.Qh7 Qh7 44.gh7 Kf8 45.h8Q; 39.Bf6 Rg7 40.Qg5 Qd7 41.Bg7 Kg8 42.Bf6 Kf7 43.Qg7 Ke8 44.Qg8 Bf8 45.Qf8) 1-0. Banjovi (2645) - Shinsei (2225), Rated Bullet game, lichess.org, 2018.

8.Be2 Bg4 9.0-0 h6 10.d3 Bf3 11.Bf3+= (worse 11.gf3 Re8=+) 11...Bd6 12.Nd2 Qe7 (12...Ne5 13.Be5 Be5 14.d4+=) 13.g3 (13.c4!?+/-) 13...Ne5= 14.Bg2 c5 (14...c6 15.Re1=) 15.Nf3 (15.f4 Neg4 16.Re1 c4+=) 15...Nf3 16.Bf3 Be5 17.d4 cd4 18.ed4 Bd6 19.Re1 Qc7 20.Rc1 Rae8 21.c4 (21.Qd3!?=) 21...dc4-/+ 22.d5 Qb6 (better 22...Re1 23.Qe1 Nd7-/+) 23.Bf6+= gf6 24.Re8 (24.Rc4 f5+=) 24...Re8 25.Qd2 (25.Rc4 f5+=) 25...Kg7 (25...Qb3 26.Rc3 Qb1 27.Kg2=) 26.Qc3 (26.Rc4 f5+=) 26...Be5 (better 26...Qa6!? 27.Qc4 Re1 28.Kg2 Rc1 29.Qc1 Qa3=) 27.Qc4+= Bd4 28.Rd1 (28.Kg2 Rd8+/-) 28...Bf2+= 29.Kg2 Qb2 (29...Bc5 30.a4+=) 30.Kh3 (30.Qc1 Qc1 31.Rc1 Bb6+/-) 30...Re5 (30...Qa3 31.Qg4 Kf8 32.d6+=) 31.Rf1 (31.Qb4 Qc2 32.d6 Bc5 33.Qb7 Qf5 34.Bg4 Qg6+/-) 31...Qd4 (31...Bb6 32.a4+=) 32.Qc1 (32.Qd4 Bd4 33.Rd1 Bc5+/-) 32...Qe3 (better 32...Be3 33.Qb1 Qc4=) 33.Qe3+/- Be3 34.Re1 (34.d6!? b5 35.d7+/-) 34...Bb6 (34...Bc5 35.Rb1 Re3=) 35.Re5 (better 35.Rd1!?+=) 35...fe5=+ 36.d6 (36.Kg4 Kf6=+) 36...f5 (36...Kf6!?-/+) 37.Bb7= e4 38.Kg2 Kf6 39.Bd5? (better 39.Bc8!?=) 39...Ke5-/+ 40.Bb7 Kd6 41.h4 Ke5 42.Bc8 f4 43.g4? (better 43.gf4!? Kf4 44.h5-+) 43...Kd4 (43...Bd8 44.g5 hg5 45.h5-+) 44.g5 hg5 45.hg5 Bc5 (45...f3 46.Kg3-+) 46.g6 Bf8 (46...Ba3?? 47.g7 f3 48.Kf1+-) 47.Bf5 Bg7 (47...Ba3?? 48.g7 f3 49.Kf1+-) 48.a4 Kd3 49.a5 (49.Kf2 Bd4 50.Kf1 f3-+) 49...Kd4 (better 49...f3!? 50.Kg3 Be5 51.Kf2 Bd4 52.Kf1-+) 50.Bg4 e3 0-1. brucepeng (2010) - Ahmed_eldebeky1 (2000), lichess.org, 2021.

8.Be2 Bg4 9.c4?! dc4 10.Bc4 0.23/0 10...Na5 0.02/0 11.Be2 0.25/0 11...Be6 0.18/0 12.0-0?! 0.94/0 12...Nb3 -0.96/0 13.Ra2 -0.61/0 13...Nd2 -0.55/0 14.Nbd2 -0.44/0 14...Ba2 -0.44/0 15.Qa1 -0.09/0 15...Be6 -0.36/0 16.Rc1 -2.00/0 16...c6 -0.18/0 17.Nc4 -1.94/0 17...Qc7 -0.16/0 18.Be5 -2.00/0 18...Qc8 -0.19/0 19.Nd6 -1.97/0 19...Bd6 -0.18/0 20.Bd6 -0.26/0 20...Rd8?! -0.95/0 21.Be5 -0.52/0 21...Ne8 -0.47/0 22.Ng5 -0.34/0 22...h6 -0.35/0 23.Nf3 -0.16/0 23...Qd7 -0.21/0 24.Bd4 -1.99/0 24...Qd5 -0.07/0 25.h3 -1.86/0 25...Qa2 -1.85/0 26.Qc3?? -4.21/0 26...Qe2 -4.25/0 27.Qb4 -5.85/0 27...b6 -5.78/0 28.Rc6?! -6.83/0 28...Rac8? -5.83/0 29.Rc8 -5.79/0 29...Rc8 -5.88/0 30.Kh2? -6.22/0 30...Qf2?! Normal -5.13/0 0-1. SuperGMBullet (2280) - chessaesthetics (2330), Rated Bullet game, lichess.org, 2015.

8.c4 Bg4

9.d4 dc4 10.Bc4 Na5 11.Be2 b6 (11...Re8 12.Nbd2=) 12.0-0 Qd7 13.Nbd2 Bf3 14.Bf3 (14.gf3?! Rfd8=) 14...Rad8 15.Qc2 c5 16.Rfd1 cd4 17.Bd4 Rc8 18.Qb2 Rfd8 19.Ne4 Ne4 20.Be4 Bf6? (20...Qe6 21.Qb1 g6 22.Bc2=) 21.h3 (better 21.Qb1!? Qe7 22.Bh7 Kf8 23.Bf5+/-) 21...Bd4+= 22.Rd4 Qe6 23.Rad1 Rd4 24.Rd4 g6 25.a4 h5 26.Qe2?? (26.Bd5 Qf6+=) 26...Rc1?? (better 26...Nb3 27.Qd3 Nd4 28.Qd4 Rc4 29.Qd8 Kg7-+) 27.Kh2= Qe5 (27...Nc6 28.Bc6 Qc6 29.Qd3 Qc7 30.f4=) 28.f4+= Qe7 29.Qf3 (29.Qd3 Qf6 30.Rd7 Rc3+-) 29...Kg7 30.Bd5 Rc3 31.Re4 Qd6 32.Re5 Rc5 33.e4 Nc6 34.Re8 Nd4 (34...Nb4!?=) 35.Qe3 Nf5 36.Qf2 Nh6 37.Ra8 Qf6 (better 37...Rc7!?+=) 38.Ra7+/- Rd5?? (better 38...g5+/-) 39.ed5+- Nf5 Black intends h4 40.Rb7 h4 (40...Qc3 41.Rb6 Ne3 42.d6+-) 41.Rb6 (41.Qb6?! Nd6 42.Rc7 Qf4 43.Kh1 Nc4+-) 41...Qa1 (41...Nd6 42.a5 Qd8 43.a6+-) 42.Qb2 Qb2 43.Rb2 Ne3 44.a5 Nd5 (44...Nc4 45.a6 Nb2 46.d6+-) 45.a6 (45.Rb7 Nf4 46.a6 Nd3+-) 45...Nf4 (45...Nc7 46.a7 g5 47.Rb7+-) 46.a7 Ne6 47.a8Q g5 48.Rb8 Kf6 49.Rg8 (49.Qf3 Ke7 50.Rb7 Kd6 51.Qd3 Ke5 52.Qc3 Kf5 53.Rf7 Ke4 54.Qc4 Ke5 55.Re7 Kd6 56.Re6 Kd7 57.Qc6 Kd8 58.Re8) 49...Kf5 50.Qa1 f6 51.Re8 Nf4 (51...g4 52.hg4 Ke4 53.Re6 Kd5 54.Qa2 Kc5 55.Qc2 Kd5 56.Qe4 Kc5 57.Rc6 Kb5 58.Qc4 Ka5 59.Ra6) 52.Qa5 (52.Qb1 Nd3 53.Qd3 Kf4 54.Qe4) 52...Kg6 53.Rg8 Kh5 (53...Kf7 54.Qd8 Ke6 55.Re8 Kf5 56.Qd7 Ne6 57.Qe6 Kg6 58.Rg8 Kh5 59.Qe8 Kh6 60.Qg6) 54.Qd8 (54.Qf5 Kh6 55.Qf6 Kh5 56.Rg5) 54...g4 55.hg4 (55.hg4 Kh6 56.Qf6 Kh7 57.Rh8) 1-0. jhonores (2210) - Deep_82 (2220), Rated Blitz game, lichess.org, 2020.

9.cd5 Nd5 10.Nc3 Nf6 11.Be2 Bd6 12.0-0 Re8 13.h3 Bh5 14.d4 Qe7 15.Nh2 (15.Nb5 Qe6=) 15...Bg6 16.Ng4 Ng4 17.Bg4 Rad8 18.Ne2 (18.Qa4 a6=) 18...Nb8 19.a4 c6 20.Ng3 (20.Qb3 Na6=+) 20...Bc7 (20...Bg3 21.fg3 Qe3 22.Kh2-+) 21.Qb3 (21.Qf3 Qg5=) 21...b6 (better 21...Bg3!? 22.fg3 Qe3 23.Qe3 Re3-/+) 22.Ba3 Qf6 23.Bb2 Qh4 (23...Bg3 24.fg3 Qg5 25.Rf4=+) 24.Kh2 (better 24.Nf5!? Qf6 25.Ng3=) 24...h5-/+ 25.Bf3 (25.Bd1 Qe4 26.f4 Qe3 27.Qe3 Re3 28.Nh5 Rde8-/+) 25...Qg5 26.Kg1 Bg3 27.fg3 Qg3 (27...Re3!? 28.Qb4 Qg3-+) 28.Rae1 (28.a5 Nd7=+) 28...c5 29.Qc3 cd4 30.ed4 Re1 31.Qe1 Qd6 (31...Qe1 32.Re1 f6=+) 32.Qe5 (better 32.Qh4!?=) 32...Qe5-/+ 33.de5 Na6 34.Rd1 Rd1 35.Bd1 Nc5 36.Bd4 Nd3 37.Bc3 Kf8 38.a5 (38.g4 h4-/+) 38...ba5-+ 39.Ba5 (39.g3 Ke7-+) 39...Ne5 40.Bc7 Nd3 41.Be2 a6 42.Ba5 Ke7 43.Kf1 Kd6 44.Bd3 Bd3 45.Kf2 Kc5 (45...h4 46.g3-+) 46.g4 hg4 47.hg4 Kb5 48.Bc3 g6 (48...f6 49.Ke3 Bc2 50.Bb2-+) 49.Kg3 (49.g5 a5-+) 49...a5 (49...f5 50.gf5 gf5 51.Kf4-+) 50.Kf4 (50.g5 a4 51.Kf3 a3-+) 50...a4 (50...f5 51.Be5-+) 51.Kg5 (51.g5 Kc4 52.Bf6 Bf5-+) 51...a3 (51...f5 52.Bb2-+) 52.Kf6 Bc4 53.g5 Ka4 54.Be5 Kb3 55.Bd4 a2 56.Be5 Kc2 57.Bd4 Kd3 58.Be5 Ke4 59.Ba1 Be6 60.Be5 Kd3 61.Ba1 Kc2 62.Be5 Kb1 63.Bc3 a1Q 64.Ba1 Ka1 65.Ke5 Kb2 66.Kf6 (66.Ke4 Kc3 67.Ke3 Bd5-+) 66...Kc3 67.Ke5 Kd3 68.Kf6 (68.Kf4 Kd4 69.Kg3 Ke5-+) 68...Ke3 69.Ke5 Kf3 70.Kf6 (70.Kf6 Ke4 71.Ke7-+). brucepeng (2010) - tarek_r (2090), lichess.org, 2021.

9.cd5 Nd5 10.Be2 Bf6 11.d4 Re8 12.0-0 Qd7 13.Nbd2 Rad8 14.Re1 a6 15.Rc1 h6 16.Qc2 Nb6 (16...Rb8!?+=) 17.Ba6+/- Na5 (17...Bf5 18.e4 ba6 19.Qc6+- (19.ef5?! Bd4 20.f6 g6+=)) 18.Bd3+- Rc8 (18...Nd5 19.h3 Be6 20.Ne4+/-) 19.h3 Be6 20.Ne5 (20.Ne4!?+-) 20...Be5+/- 21.de5 Red8 22.Bh7 Kh8 23.Nf3 g6 24.Bg6 fg6 25.Qg6 Qf7?? (better 25...Re8 26.Qh6 Qh7 27.Qh7 Kh7 28.Ng5 Kh6 29.Ne6 Re6+/-) 26.Qh6+- Kg8 (26...Qh7 27.Qh7 Kh7 28.Ng5 Kg8 29.Ne6 Rd7+-) 27.Ng5 Qf5 (27...Qe7 28.Ne6 Na4 29.Qg6 Kh8 30.Nd8 Rd8 31.Ba1+-) 28.Qe6 (28.e4 Qg5 29.Qg5 (29.Qe6?! Kh7+-) 29...Kf8 30.Qh6 Ke7 31.Qf6 Ke8 32.Qe6 Kf8 33.Qf6 Ke8 34.e6 Rd7 35.Qh8 Ke7 36.Qg7 Ke8 37.Qg8 Ke7 38.Qf7 Kd6 39.Red1 Nd5 40.Qd7) 28...Qe6 29.Ne6 Rd2 (29...Rd7 30.Bd4 Nac4 31.Nc5+-) 30.Bc3 Rd3 (30...Rd5+-) 31.Ba5 (31.Ba5 Nd5 32.e4+-) 1-0. jhonores (2240) - TitoMagno64 (2250), Rated Blitz game, lichess.org, 2020.

9.h3 Bh5 10.cd5 Qd5 11.Be2 Rad8 12.Nc3 Qa5 (12...Qe6 13.0-0=+) 13.0-0 Nd5 14.Qb3 Nb6 15.Ne4 Bg6 Exerts pressure on the backward pawn 16.Ng3 Na4 (16...Bd6!?=) 17.Qb7+= Nb2 18.Qc6 Bf6 (18...Rd6 19.Qc1 Nd3 20.Qc3 Qc3 21.dc3+=) 19.Rac1 (19.d4 Rd6 20.Qb7 Qb6 21.Qb6 ab6+-) 19...Qa3 (19...Nd3 20.Qc7 Qa3 21.Rc6+=) 20.d4 Nd3 (20...a5!?+/-) 21.Ra1 (21.Rc3 Nb4 22.Ra3 Nc6+-) 21...Qb2 (21...Qd6 22.Qd6 cd6 23.h4+-) 22.Rfb1 Nb4 23.Qf6?? (23.Rb2 Nc6 24.Rb7 a5+-) 23...Qb1 (better 23...Bb1 24.Qe7 Rfe8-+) 24.Rb1+- Bb1 (24...gf6 25.Rb4 Rb8+-) 25.Qe5 (better 25.Qe7 Nd5 26.Qc5+-) 25...c6 (25...Nd5 26.Bb5 Bg6 27.e4+-) 26.Qc5 (better 26.Nh5 f6 27.Qe7+-) 26...Rb8 27.Ne5 Rb6 (27...Rb7+-) 28.Nd7 (28.Nd7 Rfb8 29.Nb8 Rb8 30.Qe5+-) 1-0. Max1993Brand (2100) - jozarov (2180), Rated Blitz game, lichess.org, 2016.

8.d4 Re8

9.Bd3 Bg4 10.Be2 Bf5 11.Bd3 Qd7 12.Bf5 Qf5 13.c4 (13.Qd3!? Qe6 14.0-0=+) 13...dc4-/+ 14.Bc3 Rad8 15.Nbd2 Qd3 16.Rc1 (better 16.Nb1 Ne4 17.Qe2-+) 16...Ba3 17.Rc2 Nd5 18.Bb2 (18.Ba1 Bb4 19.Ne5 Ne5 20.de5-+) 18...Bb2 19.Rb2 (19.Nc4 Bc3 20.Rc3 Qc3 21.Ncd2 Nd4 22.0-0 Nf3 23.Nf3 Ne3 24.Qa1 Qa1 25.Ra1-+) 19...Nc3 20.Qc2 (20.h3 Re3! 21.fe3 Qe3 22.Kf1 Nd1 23.Nc4 Qd3 24.Kg1 Nb2 25.Ncd2 Nd4 26.Kh2-+) 20…Qe2 0–1. sumit – Oort, ICS rated blitz match, 1998.

9.Nbd2 Be6

10.c4 dc4

11.Bc4 Bc4

12.Nc4 Qd5

13.Rc1 b5 14.Ncd2 (14.Nce5 Ne5 15.de5 Qd1 16.Rd1 Ne4 17.Rd4 Nc5 18.Kd1 Ne6+=) 14...b4 (14...Rab8 15.Qb3 Rb6 16.Qd5 Nd5 17.Kd1 a5 18.h4 f5=; 14...Bd6 15.Qb3 (15.Qc2 Nd8 16.0-0 a5 17.Rfe1 Ne4 18.Ne4 Qe4=) 15...Ne7 16.Qc2 Qh5 17.0-0 Ned5 18.Rfe1 b4=) 15.ab4 (15.Qa4 ba3 16.Ba3 Nd4 17.Qd4 Ba3 18.Rc7 a5+=; 15.Qb3 Qd7 16.Qa4 Nd4 17.Qd7 Nf3 18.gf3 Nd7+=) 15...Nb4 The passed pawn on a7 will become decisive later 16.0-0 Nd3 17.Rc2 (17.Rb1 Bd6= 18.Bc3 Qc6=) 17...a5 (17...Bd6 18.Nc4 Nb4=) 18.Qa1 c5 (18...Bd6=) 19.Ba3 Nb4 20.Rcc1 cd4 21.Nd4 Rec8 22.Rc8 Rc8 23.Rc1 Rc1 24.Bc1 (24.Qc1 Bc5=) 24...Nd3 (24...Bd6 25.Bb2=) 25.Ba3= Ne1 26.f3 Qg5 27.Qe1 Ba3 28.h4 (28.Nc4 Bb4 29.Qd1 Qc5=) 28...Qd5 29.N2b3 Exerts pressure on the isolated pawn 29...Bb4 30.Qa1 Qe5 31.Qc1 a4 32.Nc6 Qc3 33.Nb4 Qb4 34.Na1 g6 35.Nc2 Qc3 (35...Qc3 36.Qb1 a3-/+) 0–1. Nebe,Lutz – Ruemmele,Michael, corr, 1998.

13.Rc1 Bd6 A) 14.Nce5 A1) 14...Ne7 15.0-0 (15.Qe2 Ne4 16.Qc2 Qa5 17.Kf1 Qb5 18.Kg1 f6=; 15.Qc2 Qa5 16.Bc3 Qa6 17.Bb4 Ned5 18.Qb3 Rac8=; 15.Qa4 b5 16.Qa5 Ne4 17.0-0 a6 18.Rfd1 Qb3=; 15.Nc4 Rad8 16.0-0 Nc6 17.Nfe5 Re7 18.Nd6 cd6=) 15...Ne4 16.Qc2 f6 17.Rfd1 Rad8 18.Nc4 Nc6=; A2) 14...Be5 15.de5 Qa2 16.Qe2 Nd7 17.0-0 Rac8 18.Rc2 Qe6=; A3) 14...Nb8 15.0-0 (15.Qc2 Nbd7 16.0-0 Re7 17.Nc4 Nb6 18.Nd6 cd6=) 15...Nbd7 16.Re1 Rad8 17.Nc4 Ne4 18.Qc2 Nb6=; A4) 14...Na5 15.0-0 (15.Qa4 Nb3 16.Rc3 Nd4 17.Qd4 Re5 18.Qd5 Rd5+=) 15...Ne4 16.Qc2 c6 17.Bc3 Nc4 18.Nc4 Qc4=; B) 14.0-0 B1) 14...b5 15.Ncd2 (15.Nce5 Na5 16.Bc3 Nb7 17.Rb1 a6 18.Qb3 Qb3+=) 15...a5 16.Qc2 Ra6 17.Rfe1 Ne4 18.Ne4 Re4=; B2) 14...Ne4 15.Nfe5 Be5 16.Ne5 Ne5 17.de5 Qb5 18.Qc2 c6+=; B3) 14...Rac8 15.Nfe5 Na5 16.Na5 Qa5 17.Nc4 Qd5 18.f3 Qb5=; B4) 14...Rab8 15.Nfe5 Rbd8 16.Qf3 Qf3 17.Nf3 Nd5 18.Nd6 Rd6=; B5) 14...Re7 15.Nce5 Na5 16.Bc3 Nc4 17.Nc4 Qc4 18.Bb4 Qe6=; B6) 14...a6 15.Nfe5 Rad8 16.Qf3 Ne7 17.Rfe1 b5 18.Nd6 cd6=; B7) 14...Rad8 15.Qc2 Na5 16.Nd6 cd6 17.Nd2 Nc6 18.Qc4 Qg5=.

13.Rc1 Rad8 A) 14.Qb3 A1) 14...Rb8 15.Ncd2 (15.0-0 Bd6 16.Qc2 Rbd8 17.Nce5 Be5 18.Ne5 Re6=) 15...Qf5 16.0-0 Bd6 17.Rfe1 Ne4 18.Ne4 Qe4=; A2) 14...Na5 15.Qc3 (15.Na5 Qa5 16.Bc3 Qa6 17.Bd2 Nd5 18.a4 Ba3=; 15.Qa4 Nc4 16.Qc4 Bd6 17.Qd5 Nd5 18.Kd2 c6=) 15...Nc4 16.Qc4 Bd6 17.Qd5 Nd5 18.Kd2 Kf8=; B) 14.Ncd2 B1) 14...Qf5 15.Qb3 Rb8 16.0-0 Bd6 17.Rfe1 Ne4 18.Ne4 Qe4=; B2) 14...Rb8 15.Qb3 Qf5 16.Qc2 Qg4 17.0-0 Bd6 18.Rfe1 Nd5=; B3) 14...Qd7 15.0-0 (15.Qb3 Rb8 16.0-0 Nd5 17.Rfe1 f5 18.e4 fe4=) 15...Qe6 16.Re1 Qa2 17.Qa4 Nb4 18.Ra1 Qb2+=; B4) 14...Qa5 15.Qb3 Qa6 16.Qc4 Qb6 17.Rb1 Qa5 18.0-0 Bd6=; B5) 14...Qh5 15.Qc2 (15.Qb3 Na5 16.Qa4 Bd6 17.d5 Qd5 18.Bf6 gf6=; 15.Nc4 Bd6 16.0-0 a6 17.Nfe5 Qd1 18.Rfd1 Ne7=; 15.Ne5 Qd1 16.Rd1 Ne5 17.de5 Nd5 18.Nc4 b5+=) 15...Nd5 16.0-0 a6 17.Ne4 Qg4 18.Ng3 Bf6=.

13.Rc1 Nd8 A) 14.Qc2 A1) 14...c6 15.0-0 Ne6 16.Nfe5 Rac8 17.Rfd1 Rcd8 18.f3 Nd7+=; A2) 14...b5 15.Nce5 Ne6 16.0-0 Ne4 17.Rfd1 f6 18.Nc6 Bc5=; A3) 14...Ne6 15.0-0 (15.Nce5 Bd6 16.0-0 Rad8 17.Rfe1 Ne4 18.Qc4 Be7=; 15.Ncd2 c6 16.0-0 Rad8 17.Rfe1 Qh5 18.Qb3 Rb8=; 15.Qb3 Rac8 16.0-0 Rcd8 17.Ncd2 Qb3 18.Nb3 c6=) 15...Rad8 16.Rfe1 Ne4 17.Nfe5 f6 18.f3 N4g5=; B) 14.Nce5 B1) 14...c6 15.Qc2 Ne6 16.0-0 Ne4 17.Rfd1 Rad8 18.Ne1 Nd6=; B2) 14...Qa2 15.Nd3 (15.Qc2 Ne6 16.Ra1 Qd5 17.Qc4 Qc4 18.Nc4 Rad8=) 15...Bd6 16.Qc2 Qd5 17.0-0 c6 18.Nfe5 Ne6=; B3) 14...Ne6 15.Qc2 (15.0-0 Rad8 16.Qc2 Ne4 17.Rfd1 c6 18.Nd2 Nd2=) 15...Ne4 16.0-0 Rad8 17.Rfd1 c6 18.Ne1 Nd6=; B4) 14...a6 15.Qc2 Ne6 16.0-0 Ne4 17.Ne1 Rad8 18.f3 Nd2=; B5) 14...Bd6 15.Nc4 (15.Qc2 Ne6 16.Qc4 Qa5 17.Qc3 Qb5 18.Qc2 Be5=; 15.Qa4 Ne6 16.Qc4 Qa5 17.Qc3 Qb5 18.Qc2 Rad8=; 15.Qe2 Ne6 16.Qc4 Qa5 17.Qc3 Qb5 18.Qc2 Rad8=; 15.0-0 Ne6 16.Qc2 Rad8 17.Qc4 c6 18.Qd5 Nd5=) 15...Ne6 16.0-0 b5 17.Nd6 cd6 18.Qc2 Rab8=; B6) 14...Ne4 15.Qc2 (15.0-0 Ne6 16.Nd2 Nd2 17.Qd2 c5 18.Nf3 b5=; 15.Qa4 c6 16.0-0 Ne6 17.Rfd1 Bd6 18.Qc4 f6=; 15.Qd3 Bd6 16.Qc2 Ne6 17.0-0 Rad8 18.Qc4 Be7=) 15...Ne6 16.0-0 Rad8 17.Rfd1 f6 18.Nc4 c6=; C) 14.Qb3 C1) 14...Rc8 15.Ncd2 Qh5 16.Ne5 c6 17.0-0 Bd6 18.Rfd1 Rb8=; C2) 14...Rb8 15.Ncd2 Ne6 16.Qd5 Nd5 17.Ne5 f6 18.Nd3 Rbd8=; C3) 14...Bd6 15.Rc3 Ne6 16.0-0 Rab8 17.Rb1 Ne4 18.Nd6 Qd6=; C4) 14...a6 15.Ncd2 Ne6 16.Qd5 Nd5 17.Kd1 c6 18.Re1 Rad8=; C5) 14...Ne6 15.0-0 (15.Ncd2 Rad8 16.Qd5 Nd5 17.Kd1 c5 18.Re1 cd4=) 15...Rad8 16.Ncd2 Qb3 17.Nb3 c6 18.Rfd1 Ne4=; D) 14.Ncd2 D1) 14...Bd6 15.0-0 (15.Qb3 Qa5 16.0-0 Qh5 17.Ne5 Rb8 18.Ndc4 b5=) 15...Ne6 16.Re1 Ng5 17.Ng5 Qg5 18.Nc4 Qd5=; D2) 14...c6 15.Qb3 Ne6 16.Qd5 cd5 17.Ne5 Bd6 18.Ke2 Rac8=; D3) 14...Rc8 15.Qb3 Qh5 16.Ne5 c6 17.0-0 Bd6 18.Rfd1 Rb8=; D4) 14...Ne6 15.0-0 (15.Qc2 c6 16.0-0 Rad8 17.Rfe1 Qh5 18.Qb3 Rd5=; 15.Qb3 Rad8 16.Qd5 Nd5 17.Rb1 c5 18.e4 Nb6=) 15...c6 16.Re1 Ng5 17.Ng5 Qg5 18.Qb3 Rab8=.

13.Rc1 Ne4 A) 14.Qc2= A1) 14...a6 15.0-0 Rad8 16.Nfe5 Ne5 17.Ne5 Bd6 18.f3 Nd2=; A2) 14...Rac8 15.0-0 f6 16.Nfd2 f5 17.Ne4 fe4 18.f3 Bg5=; A3) 14...Rab8 15.0-0 Rbd8 16.Rfd1 f6 17.Nfe5 Nf2 18.Nc6 Nd1=; A4) 14...h6 15.0-0 Rad8 16.Rfd1 a6 17.Nfe5 Ne5 18.Ne5 c6=; A5) 14...Kh8 15.0-0 Rad8 16.Rfd1 Bf6 17.Nfe5 Ng5 18.h4 Ne4+/–; A6) 14...Rad8 15.0-0 Bd6 16.Nfe5 Ne5 17.Ne5 c6 18.f3 Nd2=; B) 14.0-0 B1) 14...Rac8 15.Qb3 Rb8 16.Rfd1 Red8 17.Qc2 Rbc8 18.Nce5 Rd6+=; B2) 14...Red8 15.Qc2 Rac8 16.Rfd1 a6 17.Nce5 Rd6 18.Nd3 Qb5+=; B3) 14...Rad8 15.Qb3 (15.Qc2 f6 16.Qb3 Rb8 17.Nfd2 f5 18.Ne4 fe4=) 15...a6 16.Rfd1 Qb5 17.Qc2 Bf6 18.Nfe5 Be5=.

13.Rc1 Qe6 14.0-0 A) 14...Rad8 15.Qb3 Rb8 16.Qc2 Rbc8 17.Ng5 Qg4 18.f4 Qh5=; B) 14...a6 15.Nce5 (15.Qc2 Rac8 16.Ng5 Qg4 17.f4 Qh5 18.e4 b5=) 15...Ne5 16.de5 Red8 17.Qc2 Ne8 18.Nd4 Qa2+=; C) 14...Rac8 15.Re1 Rcd8 16.Qc2 Bd6 17.Red1 a6 18.h3 h6=.

7.e3 Ne4

8.c4 d6 9.Nc3 Nc3 10.Bc3=.

8.c4 Bf6 9.Qc2 d6 10.d3 Ng5 (10...Bb2 11.Qb2 Nf6 12.d4=) 11.Ng5= Bb2 12.Qb2 (12.Nf7 Qf6 (worse 12...Rf7 13.Qb2 Rb8 14.Be2+=) 13.Ra2 Bd4 (worse 13...Qf7 14.Rb2 Ne5 15.d4+=) 14.Nd6 Qd6 15.ed4 Nd4-/+) 12...Qg5=+ 13.Nc3 a6 (13...Qa5 14.d4=+) 14.Nd5= b5 (14...Ne7 15.h4 Qg4 16.Ne7 Kh8+-) 15.Be2?? (better 15.Nc7 Rb8 16.cb5 ab5 17.d4+-) 15...bc4 16.dc4 Rb8 17.Qc3 Qg2 18.0-0-0? (18.Rf1 Rb7-/+) 18...Ne5 (18...Qf2!? 19.Qe1 Qf5 20.Qg3-+) 19.Rdf1 (19.Rhf1 Rb7-+) 19...Qe4 (19...c6 20.Ne7 Kh8 21.c5-/+) 20.Qc2 Qc2 (20...Qh4 21.f4 Ng4 22.Bg4 Bg4 23.h3-+) 21.Kc2-/+ Be6 (21...Bf5 22.Kc3 Be4 23.f3 Bd5 24.cd5-/+) 22.Kc3 (22.f4 Bg4 23.Bg4 Ng4=) 22...Bd5 (22...c6 23.Ne7 Kh8=) 23.cd5=+ Nd7 (23...Rb6 24.f4 Ng6 25.f5=+) 24.Ba6 Ra8 25.Bb5 Nb6 26.Ra1 (26.Kd4 Ra3 27.Rc1 Ra5=) 26...Nd5=+ 27.Kd3 (27.Kd4 Rfb8 28.Bc6 Nf6 29.Ba8 c5 30.Kc4 Ra8+-) 27...Ra5 (27...Rfb8 28.Rhb1=+) 28.Rhb1 Rfa8 Attacking the isolated pawn on a3 (28...Rb8 29.Kc4=+) 29.a4 (29.Kd4 Rb8 30.Bc6 Nb6=) 29...Nb6 (29...Rb8 30.Kd4 Nb4 31.Kc4=+) 30.Ra2 (30.Bc6 Rb8=+ (30...Na4?? 31.Ba8 Ra8 32.Ra4+-)) 30...Kf8 31.Rb4? (better 31.Rc2=+) 31...c5-+ 32.Rb1 Na4 33.Bc6 R8a7 (33...c4 34.Kd4 Nc5 35.Ra5 Ra5 36.Rb8 Ke7 37.Kc4-/+) 34.Rb8 Ke7 35.Re8 Kf6 36.Rd8 Ke7 (better 36...Ke5 37.Re8 Kf5 38.Be4 Kf6-+) 37.Re8= Kf6 38.Rd8 c4 (38...Ke5 39.Re8 Kf5 40.Be4 Kf6 41.Bh7-+) 39.Kd4-/+ Ke7 40.Re8 Kf6 41.Rd8 Nb6 42.Rd2 (42.Rb2 R7a6 43.Bb7 Na4=+) 42...Rc7 (42...Ke7 43.Rb8 Na4 44.Rc2-/+) 43.Kc3?? (better 43.Rd6 Ke7 44.Kc3-/+) 43…Ra3-+ (43...Ra3 44.Kb2 Rb3 (44...Rc6?! 45.Ka3 Ke7 46.Rb8-/+) 45.Kc2 Rc6 46.R2d6 Rd6 47.Rd6 Ke7-+; 43...Rc6?! 44.R2d6 Rd6 45.Rd6 Ke5 46.Rb6-/+) 0–1. Miltner,Arndt (2310) – Schmidt,Stefan, BL2–S, 1995.

8.c4 Bf6 9.d4 d5=.

8.c4 Bf6 9.d4 d6 10.Bd3 Re8 11.Qc2 Bf5 12.0-0 Qd7? (better 12...Bg6!?+=) 13.Nc3+- d5 (13...Qe7 14.Nd5 Qd8 15.Nf6 Qf6 16.d5+-) 14.Nd5 Nd6 15.Nf6 gf6 16.Bf5 Nf5 17.Rad1 Nd6 18.Rfe1 Qf5 19.Qf5 Nf5 20.Bc3 Re4 21.c5 h6 22.Nd2 Rg4 23.h3 Rg6 24.Kh2 Kh7 25.e4?? (better 25.Nf3+-) 25...Nfe7? (better 25...Nfd4 26.Bd4 Nd4+-) 26.f4 1–0. combijack (1815) – cyprinus (1770), gameknot.com, 2011.

8.d3 Bf6 9.Qc1 Ng5 10.Be2 d6 11.0-0 Nf3 12.Bf3 Ne5 13.Be2 Be6 14.Nd2 c6 15.Nf3 Qc7 16.Ne5 Be5 17.f4 Bb2 18.Qb2 d5 19.f5 Bd7 20.f6 gf6 (20...Rfe8!? 21.fg7 Re3=) 21.Qf6+- Be6?? (better 21...Qd8+-) 22.Rf3+- Bg4 23.Rg3 (23.Qg5 Kh8 24.Qg4 Qe5+-) 23...Qg3 24.hg3 Be2 25.Kf2 (better 25.Qg5 Kh8 26.Kf2+-) 25...Bh5 26.Rb1 Bg6? (better 26...Rab8+-) 27.Rb7 Rfc8 28.e4! de4 29.de4 c5 30.e5 Re8 31.Rc7 Re6 32.Qf4 (32.Qg5!? Rf8+-) 32...Rf8 33.Ra7 Bc2 (33...Rfe8 34.g4+-) 34.Rc7 f6?? (34...Bg6+-) 35.Qg4 (35.Qg4 Bg6 36.Qe6 Rf7 37.ef6 h5 38.Qe8 Kh7 39.Rf7 Bf7 40.Qf7 Kh6 41.Qg7) 1–0. phildo (1815) – floconnoir (1725), gameknot.com, 2013.

8.Be2 Bf6 9.d4 d5=.

6.Nc3 d5

7.a3 Be7 8.e3 a6 9.d4 (9.Be2 Re8+=) 9...Bf5 10.Be2 (10.Bd3 Bd3 11.cd3 Rb8=) 10...Bd6 11.0-0 Re8 12.Nd2 Ne7 13.Bf3 c6 14.e4 de4 15.Nde4 Ne4 16.Ne4 Bc7 (16...Be4 17.Be4 Nd5 18.Bf5+=) 17.c4 (17.Re1 Ng6 18.g3 Re7=) 17...Ng6 (17...b5 18.Qc1-/+) 18.Re1 (18.Ng3 Bd7=) 18...Nh4 (18...Bh2 19.Kh2 Qh4 20.Kg1 Be4 21.g3 Bf3 22.Qf3-/+) 19.Nd2 (19.g3 Nf3 20.Qf3 Bg6=) 19...Qd6 (19...Re1 20.Qe1 Qg5 21.Qe2-/+) 20.Re8 Re8 21.Nf1 Qg6 22.Ng3 (22.Ne3!?-/+) 22...Bc2-+ (22...Nf3?! 23.Qf3 Bb1 24.Qc3-/+) 23.Bh5? (better is 23.Qd2 Nf3 24.gf3-+) 23...Bd1 24.Bg6 Re1 (24...Ng6?! 25.Rd1 b5 26.d5 Bg3 27.fg3 bc4 28.dc6=) 25.Nf1 hg6 (25...Ng6 26.g3 Ba5 27.d5-+) 26.g3 (26.d5 Bh2! 27.Kh2 Rf1-+) 26...Nf3 27.Kg2 Be2 (27...Ng5 28.Nd2 Ba5 29.h4-+) 28.Ne3 Ra1 29.Ba1 Ng5 (29...Nd2 30.c5-+) 30.Bc3 (30.h4 Ne4-+) 30...Bf3 31.Kf1 Ne4 32.Be1 Bb6 33.c5 (33.Nc2 c5 34.d5 Bd8-+) 33...Bc7 (better is 33...Bd8!? 34.Nc2-+) 34.Nc4 Nf6 (34...Ng5 35.Bd2 Bd5 36.Bg5 Bc4 37.Ke1-+) 35.Bd2 (35.Ba5 Bd5 36.Bc7 Bc4 37.Ke1 Ne4-+) 35...Bd5 36.Ne3 Be6 37.Kg2 Nd5 38.Nf1 f6 39.h3 g5 40.Be1 Bf5 41.Nh2 Be4 42.f3 Bd3 43.Bd2 Kf7 44.Ng4 Ke6 45.Nf2 Ne7 46.Nd3-/+ Kd5 47.Be3 Kc4 48.Nf2 Nd5 49.Nd1 Kd3 50.Bg1-/+ Ba5 51.Nb2 Ke2 52.Nc4+= Bc7 53.Nd6 b5-/+ 54.Ne8 g6 55.Nc7 Nc7 56.g4? Nd5 57.Bh2 a5 Black intends b4 58.Bg1 b4 59.ab4 ab4 60.Bh2 b3 0–1. tightfist (2230) – jvanmechelen (2415), net–chess.com, 2009.

7.Rb1 A) 7...Re8 8.Nb5 (8.a3 Ba5 9.Nb5 Ne4 10.c3 Qf6 11.Qc1 a6-+; 8.e3 d4 9.Ne2 de3 10.fe3 Ne4 11.a3 Ba5-/+) 8...Be7 9.Ne5 Na5 10.e3 a6 11.Nd4 Bd6+=; B) 7...Bg4 8.h3 (8.Nb5 Ne4 9.c3 Bc5 10.e3 a6 11.Nbd4 Nd4-/+; 8.a3 Ba5 9.h3 Bf3 10.gf3 Re8 11.Bg2 Ne5-/+) 8...Bf3 9.gf3 Re8 10.Nb5 Bc5 11.e3 d4-/+.

7.Nb5 Ne4 8.a3 Ba5 9.Rb1 Bg4 10.c3 a6 11.Nbd4 Nd4 -/+.

7.Nb5 Ne4 8.e3 a6 9.Nbd4 Nd4 10.Bd4 c5 11.Bb2 Bg4 +=.

7.Nb5 Be7 8.e3 (8.Ne5 Ne4 9.Rb1 Bf6 10.Nc6 bc6 11.Nd4 Nf2-/+) 8...a6 9.Nc3 d4 10.ed4 Nd4 11.Nd4 Qd4 -/+.

7.a3 Ba5

8.Rb1 Re8 9.Nb5 Ne4 10.c3 Qf6 11.Qc1 a6 -+.

8.Nb5 Ne4-/+ 9.e3 (9.Rb1 Bg4 10.c3 a6 11.Nbd4 Nd4-/+) 9...Bg4 10.c3 a6 11.d3 (better is 11.h3!? Bh5 12.g4-/+) 11...Ng5-+ 12.h4 (12.Nbd4 Nd4 13.ed4 Re8 14.Kd2 Bf3 15.gf3 Qf6-+) 12...Ne6 (12...ab5?! 13.hg5 d4 14.Rc1-/+) 13.Nbd4 Ned4 14.ed4 Re8 15.Kd2 Bf3 16.gf3 Nd4 17.Bg2 (17.Kc1 Qf6-+) 17...Qf6 (17...Qf6 18.Kc1 Bc3 19.Bc3 Ne2 20.Qe2 Qc3 (worse is 20...Re2 21.Bf6 gf6 22.Rb1+/–) 21.Qc2 Qa1 22.Kd2 Qa3-+) 0–1. Krause – Hoppe,Heinz, corr DDR–ch H, 1981.

8.e3 d4 9.Nb5 de3 10.fe3 Re8 11.Bc3 Bb6 +=.

8.e3 d4 9.Nd4 Nd4 10.ed4 Qd4 11.Be2 Rd8 -/+.

8.e3 Ne4+= 9.Ne4 de4 10.Nd4 Nd4 11.Bd4 b6 -/+.

7.a3 Bc5

8.d4 Bb6 9.e3 Ba5 10.Bd3 Ne4 11.Be4 de4 12.Nd2 Qg5.

7.a3 Bc5 8.e3 a6 9.Na4 (9.Bd3 Qe7+= (9...Bg4 10.h3 Bh5 11.0-0 Re8 12.Re1 Ne5; 9...d4 10.Ne2 Re8 11.0-0 de3 12.de3 Qd6) 10.0-0 b5 11.Ne2 Ne4 12.Nf4 Qd6; 9.d4 Bd6 (9...Bb6 10.Bd3 Qd6 11.0-0 Bg4 12.h3 Bh5) 10.Bd3 Bg4 11.h3 Bh5 12.g4 Bg6) 9...Ba7 (9...Bd6 10.Bd3 Bg4 11.h3 Bh5 12.0-0 h6) 10.d4 (10.Be2 b5 11.Nc3 d4 12.Na2 de3) 10...Re8 (10...b5 11.Nc3 Na5 12.Bd3 Nc4) 11.Be2 Ne7 (11...Bg4 12.0-0+= Qd6; 11...Bf5 12.0-0 h6) 12.0-0 Ng6 (12...b5 13.Nc5=; 12...Bf5=) 13.h3 (13.Nc5 Qe7=) 13...c6 (13...Be6 14.Nc3+=) 14.Bd3 Ne4 15.Nc3 f5 (15...Bf5 16.Ra2+=) 16.Nh2 (16.Ne2 b5=) 16...f4 (16...Bb8 17.Nf3+=) 17.Ne2 (17.Re1!?=) 17...fe3-/+ 18.fe3 Bb8 (18...Qg5 19.Nf4-/+) 19.Nf4 (19.Nf3 Qe7+=) 19...Nf4 (19...Qg5 20.Bc1-/+) 20.ef4 Qh4 (20...Qf6 21.Qh5 Rf8 22.Be4 de4 23.g3-/+) 21.Qf3 (21.Ng4 Bf5+=) 21...Nd2 (21...Bf5 22.Ng4-/+) 22.Qf2+= White prepares the advance f5 22...Qf2 23.Rf2 Ne4 24.Re2 (24.Re1 Bd7 25.Be4 Re4 26.Re4 de4=) 24...Bf5 (better is 24...Bf4!? 25.Nf3 h5-/+) 25.g4= Bg6 (25...Bd7 26.f5=) 26.f5 Bf7 27.Nf3 Bd6 (27...Bf4 28.Rae1+=) 28.Kg2 (28.Ne5 c5+=) 28...h6 (28...b5 29.Rae1=) 29.Be4 (29.Rae1!?+/–) 29...Re4 30.Re4 (30.Rae1 Rae8 31.Ne5 c5=) 30...de4+= 31.Ne5 Be5 (better is 31...b5+=) 32.de5+/– Bd5 33.Kf2 b5 34.Ke3 Re8 35.Bd4 Kf7 36.e6 Kg8 37.c3 Kh7 38.a4+- g6? 39.ab5 ab5 40.Ra7 Kg8 41.e7 gf5 42.gf5 Kf7 43.f6 c5 44.Bc5+- Kf6 45.h4 Kf5 46.Ra6 h5 47.Rd6 Bc4 48.Rd8 Bf7+/– 49.Rd4 Rc8 50.Bb4 Rc4? 51.Rd8+- Kg4 52.e8Q Be8 53.Re8 Kh4 54.Re4 Re4 55.Ke4 Kg4 56.Be7 h4 57.Bh4! Kh4 58.Kd4 Kg5 59.Kc5 Kf6 60.Kb5 Ke7 61.Kc6 Kd8 62.c4 Kc8 63.c5 Kb8 64.Kd7 1–0. mic (2200) – wstanevans (2230), net–chess.com, 2008.

8.e3 Re8 9.d4 Bd6 (9...Bb6 10.Be2 Qd6 11.0-0 a6 12.Na4 Ba7) 10.Bd3 Bg4 11.0-0 a6 12.h3 Bh5.

8.e3 Bf5 A) 9.Be2 h6 (9...Qd7 10.0-0 h6 11.Nb5 a6 12.Nbd4 Rfd8) 10.0-0 Qd7 11.h3 a6 12.d4 Bb6; B) 9.Bd3 Qd7 (9...Ne4 10.0-0 Re8 11.Rb1 h6 12.h3 Qd6) 10.Bf5 Qf5 11.Nb5 a6 12.Nbd4 Nd4.

8.e3 Bg4 A) 9.Be2 h6 (9...Qd7 10.0-0 Rfe8 11.Rb1 Rab8 12.h3 Bf5) 10.0-0 a6 11.h3 Bf5 12.d4 Bd6; B) 9.d4 Bd6 10.h3 Bh5 11.Bd3 Re8 12.0-0 Qd7.

8.g3 A) 8...Ne4 9.e3 (9.d4 Bb6 10.Ne4 de4 11.Ne5 Ne5 12.de5 Qg5) 9...Nc3 (9...Re8 10.Bg2 Bg4 11.0-0 Ng5 12.d4 Qf6) 10.Bc3 d4 11.Bb2 Qe7 12.Bg2 Rd8; B) 8...d4 9.Na2 (9.Na4 Be7 10.c4 Bd7 11.Bg2 Qe8 12.Bc1 Na5) 9...Re8 (9...Bf5 10.Bg2 Qd6 11.Nc1 Rfe8 12.0-0 Ne4) 10.Nb4 Nb4 11.ab4 Bb4 12.Nd4 Qd5.

7.Nb5 Ba5

8.a3 Ne4 9.Rb1 Bg4 10.c3 a6 11.Nbd4 Nd4 -/+.

8.Rb1 Ne4 9.e3 a6 10.Nc3 b5 11.Be2 Be6 +=.

8.e3 Ne4 9.Be2 Bg4 10.c3 a6 11.Nbd4 Nd4 +=.

8.h3 a6 9.Na3 Ne4 10.e3 Qd6 11.Nb1 Re8 -/+.

8.h3 a6 9.Na3 Ne4 10.e3 Qd6 11.Be2 Qg6 -/+.

7.e3 d4

8.Nb5 de3 9.fe3 Nd5 10.Kf2 Be6 11.a3 Be7 +=.

8.ed4 Nd4 9.Nd4 Qd4 10.Be2 Rd8 11.a3 Bc5 -/+.

8.ed4 Nd4 9.Nd4 Qd4 10.Be2 Rd8 11.Bd3 Re8 -/+.

8.ed4 Re8 9.Be2 Nd4 10.0-0?? (better is 10.Nd4 Qd4 11.0-0+= Qf4+=) 10...Bc3-+ 11.dc3 (11.Bc3 Ne2 (11...Re2?! 12.Nd4 Re4 13.Nb3+=) 12.Kh1 Nc3 13.dc3 Bg4-+) 11...Ne2 (11...Re2?! 12.cd4 Re8 13.c4=) 12.Kh1 Qd1 13.Rad1 Bg4 14.Rfe1 Nf4 15.h3 (15.Kg1 Nh3! 16.Kf1 Ne4-+) 15...Nh3! 16.gh3 (16.Rb1 Nf2 17.Kg1 N2e4-+) 16...Bf3 Theme: Double Attack 17.Kh2 Bd1 18.Rd1 Re2 19.Kg2 Rc2 20.Ba1 (20.Bc1 Ne4 21.Be3 Nc3-+) 20...Ne4 21.c4 (21.Rf1 Ra2 22.c4 c5-+) 21...Rf2 22.Kg1 f5 (22...Ra2 23.Be5-+) 23.Kh1 (23.a3 Re8 24.Bd4 Ra2-+) 23...c5 (23...Ra2 24.Re1-+) 24.Rg1 g6 (better is 24...Ra2 25.Bg7 Kf7 26.Ra1-+) 25.h4 Ra2 26.h5 Nf2 27.Kh2 Ng4 28.Kh1 Rh2 0–1. Nautiluschess – mto, ICS blitz, 2001.

8.Nd4 Nd4 9.ed4 Qd4 10.Be2 Rd8 11.a3 Bc5 -/+.

7.e3 Ne4

8.Rb1 Rb8 9.Bd3 Re8 10.0-0 Bg4 11.Be2 Bc3 +=.

8.Rb1 Rb8 9.Bd3 Re8 10.h3 Nc3 11.Bc3 Bc3 +=.

8.Nb1 Na5 9.a3 Bd6 10.d3 Nf6 11.Be2 Re8 +=.

8.Nb1 Na5 9.a3 Bd6 10.d3 Ng5 11.Nc3 c6 +=.

8.Bb5 Bg4 9.Rb1 Re8 10.Bc6 bc6 11.h3 Bf3 +=.

8.Nb5 a6 9.Nbd4 Nd4 10.Bd4 c5 11.Bb2 Bg4 +=.

8.Nb5 a6 9.Nbd4 Nd4 10.Bd4 c5 11.c3 Ba5 -/+.

8.Bd3 Re8 9.0-0 Bg4 10.Be2 Bc3 11.Bc3 Nc3 +=.

8.Be2 Bc3 9.dc3 Be6 10.Rb1 Re8 11.0-0 Na5 +=.

6.c4

6.c4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.Nf3).

6.c4 d5 7.cd5 Nd5 8.e3 Re8 9.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Bb5).

6.c4 d5 7.cd5 Nd5 8.g3 Re8 9.Bg2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3 d5 6.cd5 Nd5 7.g3 Re8 8.Bg2 Nc6 9.Bb2).

6.c4 d5 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2).

6.c4 d5 7.e3 Be6 8.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be6 8.a3).

6.c4 d5 7.e3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

6.c4 d5 7.e3 Bg4 8.cd5 Nd5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

6.c4 d6 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.c4 Re8 7.a3 Ba5 8.e3 d5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

6.c4 Re8 7.a3 Ba5 8.e3 d5 9.cd5 Nd5 10.Be2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bf5).

6.c4 Re8 7.e3 d5 8.cd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.cd5).

6.e3

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3).

6.e3 a6 7.c4 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 a6).

6.e3 d6 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.e3 h6 7.c4 d5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 h6).

6.e3 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0).

7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

7.Be2 Bd6 8.0-0 Bg4 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bg4 8.0-0 Bd6).

7.Be2 Qe7 8.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bf5 8.0-0 Qe7).

7.Be2 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Bf5).

7.Be2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5).

7.Be2 Bf5 8.0-0 Re8 9.c4 Qd6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qd6).

7.Be2 Bg4 8.0-0 Qe7 9.d3 Rad8 10.Nbd2 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7 10.Nbd2 Rad8).

7.Be2 Bg4 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

7.c4

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2).

7.c4 Be6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be6).

7.c4 Be6 8.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be6 8.a3).

7.c4 Re8

8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

8.cd5 Nd5 9.Be2 Qe7 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qe7).

8.cd5 Nd5 9.Be2 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

8.Be2 Bf5 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.c4).

8.Be2 Bf5 9.0-0 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Qe7 9.c4 Bf5).

8.Be2 Bg4 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

7.c4 Bg4

(---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4).

8.cd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5).

8.cd5 Nd5 9.Be2 Qe7 10.0-0 Rfe8 11.a3 Bd6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Bd6).

8.cd5 Nd5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

8.Be2 dc4 9.Bc4 Ne4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2 dc4 9.Bc4 Ne4).

8.Be2 Re8 9.cd5 Nd5 10.0-0 Qe7 11.Qc2 Rad8 12.d4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.d4 Rad8 12.Qc2).

6.e3 Re8

7.a3 Ba5 8.c4 d5 9.cd5 Nd5 10.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Bb5).

7.a3 Ba5 8.c4 d5 9.cd5 Nd5 10.Be2 Bg4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.c4 d5 8.Be2 dc4 9.Bc4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.Be2 dc4 9.Bc4).

7.Be2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8).

7.Be2 d5 8.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0).

7.Be2 d5 8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

7.Be2 d6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6 7.Be2 Re8).

7.Be2 Bf8 8.c4 d5 9.0-0 Bg4 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Bf8).

6.Nf3 d6

7.Bg2 Re8

8.0-0 d5 9.a3 A) 9...Bd6 10.Re1 (10.e3 Bg4 11.h3 Bh5 12.g4 Bg6 13.Nc3 h6; 10.d3 Qe7 11.e3 Bg4 12.h3 Bh5 13.Nbd2 Ne5; 10.Nc3 a6 11.e3 Qe7 12.Re1 Bg4 13.h3 Bf3) 10...Bg4 11.d3 Bc5 12.h3 Bf3 13.Bf3 Bd4; B) 9...Be7 10.d3 (10.Nc3 Na5 11.d3 d4 12.Na2 c5 13.e3 Nc6; 10.Re1 Qd6 11.d3 Be6 12.e3 Rad8 13.Nbd2 Nd7; 10.e3 Bg4 11.h3 Be6 12.d3 Qd7 13.g4 Qd6) 10...Bg4 11.Nbd2 Rb8 12.c4 dc4 13.Nc4 Bc5; C) 9...Bc5 10.e3 (10.Re1 d4 11.e3 Ne4 12.ed4 Nd4 13.Nd4 Bd4) 10...Be6 11.Qe2 Bd6 12.Nc3 a6 13.Rab1 b5.

8.0-0 d5 9.Nc3+= A) 9...Be6 10.Nb5 (10.a3 Bc5 11.e3 a6 12.Re1 Bd6 13.d3 Qe7; 10.e3 Ne4 11.Nb1 Be7 12.d3 Bf6 13.Qc1 Nc5) 10...Ne4 11.a3 Bc5 12.d3 Nd6 13.Nd6 Qd6; B) 9...Bg4 10.a3 (10.Nb5 Ne4 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Nc3) 10...Bc5 11.h3 Bf3 12.Bf3 Ne5 13.e3 Nc4; C) 9...a6 10.e3 (10.a3 Bd6 11.e3 Bg4 12.h3 Bf5 13.d3 Qc8) 10...Ne4 11.Nb1 Bg4 12.a3 Be7 13.d3 Ng5; D) 9...Bf5 10.Nb5 (10.e3 Ne4 11.Nb1 Bg4 12.a3 Be7 13.d3 Bf6; 10.a3 Bc5 11.e3 Qe7 12.d3 Bg4 13.h3 Be6; 10.d3 d4 11.Nb5 Bc5 12.c3 dc3 13.Nc3 Rb8; 10.Rb1 d4 11.Nb5 Bc5 12.e3 d3 13.Ne1 dc2) 10...Be7 11.Rb1 a6 12.Nbd4 Nd4 13.Nd4 Bc8; E) 9...Ne4 10.Nb5 (10.Nb1 Bg4 11.h3 Bf3 12.Bf3 Ne5 13.Be5 Re5) 10...Bg4 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Nc3.

8.0-0 d5 9.Re1 A) 9...Be6 10.a3 (10.Nd4 Nd4 11.Bd4 Be7 12.Nc3 c5 13.Bf6 Bf6; 10.c3 Bd6 11.Ba3 Rb8 12.Qc2 Ne7 13.Nd4 Qd7; 10.e3 Na5 11.a3 Be7 12.d3 c5 13.Nbd2 b5; 10.Ba3 Ba3 11.Na3 Qe7 12.Qc1 Bg4 13.Rb1 Bf3) 10...Be7 11.e3 Ne4 12.d3 Bf6 13.Qc1 Nd6; B) 9...Bf5 10.a3 (10.e3 Qd6 11.Nc3 Ne4 12.Nb5 Qd7 13.Rb1 Bg4; 10.Nd4 Nd4 11.Bd4 Be4 12.c3 Be7 13.Qb3 Bg2) 10...Bc5 11.d4 Bd6 12.Nbd2 Be7 13.c4 Ne4; C) 9...Ne4 10.a3 (10.c3 Bc5 11.d4 Be7 12.Nfd2 Bf5 13.Ne4 de4) 10...Ba5 11.e3 Bg4 12.h3 Bh5 13.Rf1 Nc5; D) 9...Be7 10.d3 (10.e3 Bg4 11.d3 Qd7 12.Nbd2 Qf5 13.Rb1 Bb4; 10.Nc3 Ne4 11.Rb1 Nc3 12.Bc3 Qd6 13.e3 Rb8; 10.a4 Be6 11.a5 Rb8 12.Ng5 Bf5 13.e4 de4; 10.a3 Bg4 11.d3 Qd6 12.e3 Qe6 13.h3 Bf5) 10...d4 11.c3 dc3 12.Nc3 Bc5 13.Qc1 Bb6; E) 9...Bg4 10.h3 (10.Nd4 Qe7 11.Nc6 bc6 12.f3 Bf5 13.Bf6 Qf6; 10.a3 Bc5 11.d4 Bd6 12.Nbd2 b5 13.a4 a6; 10.a4 Ne4 11.c3 Bc5 12.d4 Bd6 13.Nbd2 Na5; 10.Qc1 Qe7 11.Nc3 Rad8 12.a3 Ba5 13.h3 d4) 10...Be6 11.a3 Be7 12.Ng5 Bf5 13.d3 Qd7.

8.0-0 d5 9.e3 A) 9...Qe7 10.Nc3 (10.a3 Bd6 11.Bf6 Qf6 12.Nc3 Ne7 13.Nb5 Bf5; 10.d3 Bg4 11.Nbd2 Rad8 12.h3 Bf5 13.Rb1 b6; 10.h3 Be6 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bf5) 10...Bg4 11.Rb1 Qd7 12.Ne2 Ne4 13.c3 Bd6; B) 9...Bf5 10.d3 (10.a3 Bd6 11.Nc3 Na5 12.Nb5 Nc4 13.Bf6 Qf6) 10...Qe7 11.Nbd2 Rad8 12.a3 Bd6 13.Qb1 Nd7; C) 9...Be6 10.a3 (10.d3 Qe7 11.Nbd2 Rab8 12.a3 Bd6 13.c4 dc4) 10...Bd6 11.Nc3 Qd7 12.Rb1 Bg4 13.Ne2 Qe6; D) 9...Bd6 10.d3 (10.Nc3 Bg4 11.Rb1 Qd7 12.Nb5 Be7 13.h3 Be6; 10.Bf6 Qf6 11.Nc3 Ne7 12.Nb5 c6 13.Nd6 Qd6; 10.h3 Na5 11.d3 c6 12.Nbd2 b5 13.Nd4 a6) 10...Qe7 11.Nc3 a6 12.Re1 Be6 13.Rb1 Rad8; E) 9...Bg4 10.h3 (10.d3 Qe7 11.h3 Be6 12.Nc3 a6 13.Rb1 Bd6; 10.a3 Bd6 11.h3 Bh5 12.g4 Bg6 13.Nc3 h6; 10.Qe2 Be7 11.h3 Bh5 12.d3 Bc5 13.g4 Bg6; 10.Re1 Bd6 11.h3 Bh5 12.Nc3 Ne5 13.g4 Nc4) 10...Be6 11.a3 Be7 12.d3 Qd7 13.g4 Qd6.

8.0-0 Be6 9.a3 Ba5 (9...Bc5 10.d4 (10.Nc3 d5 11.e3 a6 12.d3 Qe7 13.Qd2 Rad8; 10.e3 Qe7 11.d4 Bb6 12.Qd3 d5 13.Nbd2 Qd7) 10...Bb6 11.Nc3 d5 12.e3 Ba5 13.Qd3 Qd7) 10.Nc3 (10.e3 d5 11.Nc3 Qe7 12.Qe2 Ne4 13.Ne4 de4; 10.d3 d5 11.e3 Bb6 12.Nbd2 Qe7 13.Ng5 Bf5; 10.Ng5 Bg4 11.Re1 Qe7 12.Nf3 Ne4 13.c3 Ng5; 10.h3 Qe7 11.Nc3 d5 12.e3 Rad8 13.d3 Nd7) 10...Bg4 (10...Qe7 11.Rb1 d5 12.Nb5 Bg4 13.Nbd4 Nd4) 11.d4 (11.Rb1 d5+= 12.d3 a6 13.h3 Bf3) 11...Qc8 (11...Qd7 12.Rb1+= (12.Qd3 d5 13.e3 Bf5) 12...d5 13.Na4 Ne4; 11...d5 12.Rb1 Qd6 13.Na4 Ne4) 12.e3 (12.Rb1 Qf5+= (12...Bh3 13.Bh3 Qh3) 13.d5 Ne5; 12.d5 Ne7 13.Ng5 Qf5) 12...d5 (12...Qf5 13.Rb1+= (13.Nb1 Ne4) 13...d5) 13.Qd3 (13.Ne2 Bh3+=) 13...Bf5 14.Qe2 a6 (14...Bh3 15.Na4+=) 15.Rad1 (15.Na4 b5 16.Nc5 Ne4+=) 15...Bg4 (15...Bh3-/+) 16.Kh1 (better is 16.Qd3!?+=) 16...Qf5-+ 17.Nb1 (17.Kg1 Ne4 18.Ne4 de4-+ (18...Re4?! 19.Ra1+=; 18...Qe4?! 19.h3 Bf3 20.Bf3=)) 17...Ne4 18.h4? (better is 18.c3-+).

8.0-0 Be6 9.c3 A) 9...Bc5 10.d4 (10.Qc2 Qd7 11.c4 Bf5 12.d3 Qe6 13.Nc3 Bg4; 10.Re1 d5 11.d4 Bd6 12.Ba3 Ne4 13.Bd6 Qd6; 10.e3 Qe7 11.d4 Bb6 12.Qd3 Qd7 13.c4 Bh3; 10.d3 Qe7 11.c4 Rab8 12.Bc3 a6 13.e3 Bb4) 10...Bb6 11.Nbd2 d5 12.Re1 Na5 13.Ba3 Bf5; B) 9...Ba5 10.Qc2 (10.d3 Qe7 11.e3 Rab8 12.Nbd2 Ne5 13.Ne5 de5) 10...Qd7 11.c4 Bf5 12.d3 Qe6 13.e4 Bg4.

8.0-0 Be6 9.Nc3 A) 9...Qd7 10.d3 (10.Na4 Qe7 11.a3 Ba5 12.Rb1 Rab8 13.Nc3 d5; 10.Rb1 Rab8 11.a3 Bc3 12.Bc3 Ne4 13.Bb2 Bh3; 10.Re1 d5 11.a3 Be7 12.e3 Bh3 13.Bh3 Qh3; 10.a3 Bc3 11.Bc3 Ne4 12.Bb2 Bh3 13.Bh3 Qh3) 10...d5 11.Nb5 Be7 12.c4 a6 13.cd5 Nd5; B) 9...d5 10.a3 (10.Nb5 Ne4 11.a3 Bc5 12.d3 Nd6 13.Nd6 Qd6) 10...Bc5 11.e3 a6 12.d3 Qe7 13.Re1 Rad8.

8.0-0 Be6 9.Nd4 Nd4 10.Bd4 c6 11.Nc3 Bc5 12.Bc5 dc5 13.d3 Qa5.

8.0-0 Qe7 9.a3 A) 9...Bc5 10.Nc3 (10.d4 Bb6 11.e3 Bf5 12.c4 Qd7 13.Nc3 Na5; 10.e3 d5 11.Nc3 Bg4 12.h3 Bf5 13.Nb5 Rac8; 10.Re1 d5 11.e3 Be6 12.d3 Rad8 13.Nbd2 Nd7; 10.Bf6 Qf6 11.Nc3 Bb6 12.Nd5 Qe6 13.Nf4 Qf5) 10...d5 11.Nb5 Bb6 12.e3 Na5 13.d3 c6; B) 9...Ba5 10.e3 (10.Re1 Be6 11.Nc3 Ne5 12.Ne5 de5 13.Rb1 c6) 10...Be6 11.Ng5 Bf5 12.d3 Ng4 13.Nf3 Rab8.

8.0-0 Qe7 9.Re1 A) 9...Be6 10.a3 (10.Nc3 d5 11.a3 Ba5 12.e3 Rad8 13.d3 Nd7; 10.e4 Rad8 11.Nc3 Ne5 12.Ne5 de5 13.Nd5 Nd5; 10.Nd4 Nd4 11.Bd4 c5 12.c3 cd4 13.cb4 Rac8; 10.e3 d5 11.a3 Bd6 12.Nc3 a6 13.d3 Rad8; 10.c3 Ba5 11.Qc2 Bb6 12.e3 Rab8 13.c4 Ba5) 10...Ba5 11.Nc3 Ne5 12.Ne5 de5 13.Rb1 c6; B) 9...Ne4 10.c3 (10.a3 Ba5 11.c3 Bb6 12.e3 Bf5 13.Nh4 Bd7; 10.c4 Bf5 11.a3 Ba5 12.Nh4 Bd7 13.Nf3 Qe6) 10...Bc5 11.d4 Bb6 12.Nbd2 d5 13.Qc1 Bf5; C) 9...Bf5 10.a3 (10.Nc3 d5 11.e3 Qc5 12.a3 Ba5 13.Rb1 Ne4) 10...Bc5 11.d4 Bb6 12.c4 Rad8 13.Nc3 Qd7; D) 9...Ne5 10.a3 (10.c3 Nf3 11.Bf3 Ba5 12.e4 d5 13.d3 c6) 10...Ba5 11.Ne5 de5 12.c4 c6 13.Nc3 Bf5; E) 9...d5 10.Nc3 (10.a3 Bc5 11.e3 Bg4 12.h3 Bh5 13.d3 Rad8; 10.e3 Bg4 11.h3 Be6 12.a3 Bd6 13.d3 a6) 10...Bf5 11.a3 Ba5 12.e3 Rad8 13.d3 Ne5.

8.0-0 Qe7 9.e3 A) 9...d5 10.Nc3 (10.a3 Bd6 11.Bf6 Qf6 12.Nc3 Ne7 13.Nb5 Bf5; 10.d3 Bg4 11.h3 Be6 12.Nbd2 Bd6 13.Qb1 Nd7; 10.h3 Be6 11.d3 Rad8 12.Nbd2 a6 13.a3 Bd6) 10...Bg4 11.h3 Bf3 12.Bf3 Rad8 13.Bg2 Ne5; B) 9...Bg4 10.a3 (10.h3 Be6 11.a3 Bc5 12.Ng5 Bf5 13.d3 d5; 10.c3 Ba5 11.Qb3 Rab8 12.c4 Ne5 13.Ne5 de5; 10.d3 Ne5 11.a3 Ba5 12.Nbd2 Bd2 13.Be5 de5) 10...Ba5 11.h3 Be6 12.d3 Ne5 13.Nbd2 Nf3; C) 9...Ne5 10.a3 (10.c3 Ba5 11.Ne5 de5 12.d4 e4 13.Qa4 b6; 10.h3 Nc4 11.Bf6 Qf6 12.c3 Nb6 13.Qb3 Bc5) 10...Ba5 11.Ne5 de5 12.d4 Rd8 13.Qc1 e4; D) 9...Be6 10.a3 (10.Nc3 a6 11.Ng5 Bf5 12.d3 h6 13.Nge4 Qe6; 10.d3 Rab8 11.c4 d5 12.a3 Bd6 13.Nbd2 dc4; 10.Ng5 Bf5 11.a3 Ba5 12.d3 Ng4 13.Nf3 Nge5) 10...Bc5 11.d4 Bb6 12.Qd3 d5 13.Nbd2 Qd7.

6.g3 d5

7.Bg2 a6 8.0-0 h6 (8...Re8 9.e3+=) 9.a4 (9.e3 Re8+=) 9...Bg4 (9...Re8 10.e3+=) 10.Na3 (10.c3 Bd6+=) 10...Ne4 (10...Re8 11.h3 Be6 12.e3+=) 11.c3 Qf6 (11...Bc5 12.Nd4 Bd4 13.cd4+=) 12.Qc2= Bc5 13.c4 Nb4 14.Bf6 Nc2 15.Nc2 gf6 (15...Nf6 16.d4 Be7 17.Ne5=) 16.cd5 (16.d4!? Bd6 17.c5+/– (17.cd5?! Nc3+=)) 16...Bf3+= 17.ef3 Nd2 18.Rfd1 Nc4 19.Bf1 (19.Rdc1 b6+=) 19...Nd6 20.Bd3 (20.Rd3 Rfe8+=) 20...Rfe8 (20...f5 21.Rac1+=) 21.Re1 (21.Rac1 Rac8=) 21...Kg7 (21...Re5 22.Rad1=) 22.Ne3+= Re7 23.Rac1 (23.Nc4 Rd7+=) 23...Bb4 24.Re2 Rae8 25.Kf1 Ba5 26.Nc4 (26.Rcc2 Bb6 27.Nf5 Nf5 28.Bf5 Re2 29.Re2 Rd8+=) 26...Nc4 27.Bc4 Bb4 (27...Re2 28.Be2 Rd8 29.Rb1+=) 28.Rcc2 (28.Rb1 a5+=) 28...f5 29.Re7 (29.f4 Kf6+=) 29...Re7 30.Re2 (30.Rb2 Re1 31.Kg2 a5=) 30...Kf6 (30...f4 31.h4=) 31.f4 (31.Re7 Ke7 32.f4 Kd6=) 31...Re4 32.Bb3 (32.Rc2 Ke7=) 32...Rd4 (32...c5 33.h3=) 33.Rc2 (33.h3 c5=) 33...Rd1 34.Kg2 Rb1= 35.Ba2 Ra1 36.Bb3 Ra3 37.Rb2 Bc3 38.Rb1 b5 39.ab5 ab5 40.Kf1 b4 41.Ke2 Ke7 42.Kd3 Kd6 43.Kc2 Ra8 44.Kd3 Kc5 45.Rd1 Ra6 46.Kc2 Kd6 47.Kd3 h5 48.Kc4 Ra5 49.Kd3 h4 50.Rf1 h3 51.Rd1 Ra8 52.f3 Ra3 53.Kc4 Ra5 54.Rf1 Rc5 55.Kd3+= Bg7 56.Rb1-/+ Rc3 57.Ke2 Bd4 58.Bd1 Kc5 59.Kd2 Bg1-+ 60.Bc2 Bh2 61.Bf5 Bg3 62.Be4 Bf4 63.Ke2 h2 64.Kf2 b3 65.Kg2 Kd6 66.Kh1 b2! 0–1. ookii (1765) – jaskier (2130), internet, 2007.

7.Bg2 b5 8.0-0. nerveraking (2300) – huimre (2480), net–chess.com, 2005.

7.Bg2 d4 8.0-0 Re8 9.c3 dc3 10.Nc3 h6 11.h3 (11.a3 Bc5=) 11...Bf5 12.d3 Qd7 13.Kh2 Rad8 14.Qb3 (14.a3 Bc3 15.Bc3 Qe6 16.Bf6 Qf6=) 14...Bd6 (better 14...Bc3 15.Bc3 Re2 16.Bf6 gf6=) 15.Qb7?? (better 15.a3=+) 15...Rb8-+ 16.Qa6 Rb6 (16...Rb2 17.Rfc1-+) 17.Qc4 (17.Qa4 Rb2 18.Nh4-+) 17...Rb2 18.Nh4 Ne5 19.Qa6 Bh7 (19...Bb4 20.Rac1 Bc3 21.Rc3 Re2 22.d4 Qd4 23.Rc7-+) 20.f4 (20.Qa7 g5 21.Nf3 g4-+) 20...Rb6 21.Qa7 Ng6 (better 21...g5 22.fe5 Be5-+) 22.Nf3?? (22.Ng6 Bg6 (22...fg6?! 23.Qa4-/+) 23.Rfc1 Rb2-+) 22...h5 (better 22...Qc6!? 23.Rfc1 Ra8 24.Nd4 Qg2 25.Kg2 Ra7 26.Ndb5-+) 23.Ng5 (better 23.a4-+) 23...h4 24.Nh7 hg3 25.Kg3 Nh5 26.Kh2 (26.Kf2 Bc5 (worse 26...Kh7 27.Qa5 Nhf4 28.Be4-+) 27.Ke1 Rb1 28.Rb1 Ba7-+) 26...Kh7 (26...Ngf4 27.Nf6 Nf6 28.Rf4 Bf4 29.Kh1-+) 27.Be4 (27.Qa4 Qa4 28.Na4 Re2 29.Kg1 Nhf4 30.Rf4 Nf4 31.Be4 Re4 32.de4-+) 27...Nhf4 28.Rf3 f5 (28...Ne2!? 29.Kh1 Nc3 30.Qa5 Ne4 31.de4 Re4 32.Qf5-+) 29.Nd5 (29.Kh1 fe4 30.Ne4 Ne2 31.Qa5-+) 29…Nd5 (29...Nd5 30.Kg1 fe4 31.de4 Re4-+) 0-1. Dineogm (2025) - Banelevich (2245), Rated Blitz game, lichess.org, 2019.

7.Bg2 Be6 8.0-0 d4 9.c3 dc3 10.Nc3 Nd5 (10...Qd7 11.Ng5=) 11.Ne4 Nb6 12.d3 a5 (12...f5 13.Nc3=) 13.a3 Be7 14.Qc2 f5 15.Nc5 Bc5 16.Qc5 Na4 17.Qb5 Nb2 18.Qb2 (18.Qb7!? Nb4 19.ab4+/–) 18...Ra6 19.Rab1 (19.Qb7?? Rb6 20.Ng5 Rb7 (20...Qg5?! 21.Qc7 Ra6 22.e3-/+) 21.Ne6 Qd6 22.Nf8 Kf8-+ (22...Qf8?! 23.Bc6 Rb2 24.Bd5 Kh8 25.Rfc1+=)) 19...Bd5 (19...Rb6 20.Qc3=) 20.Qc3 (20.Qb7 Rb6 21.Rb6 cb6+/–) 20...f4 (better is 20...Ra7!?=) 21.Rb7+/– Nd4 22.Nd4 (22.Qd4?! Bb7 23.Qd8 Rd8 24.gf4 Rg6=) 22...Bg2 23.Ne6 (23.Rc7 Bf1 24.Ne6 Qf6 25.Nf8 Qc3 26.Rc3 Bh3 27.Nh7 Rb6=) 23...Re6 24.Rc7 Re7 25.Re7 Qe7 26.Kg2 Qe2 27.Re1 Qg4 (27...Qh5!? 28.Re7 Qg6+/–) 28.Qc4+- Kh8 29.Qf4! Qf4 (29...Rf4 30.Re8 Mate attack; 29...Qf4 30.gf4 Combination) 30.gf4 Kg8 31.Re4 Rb8 32.d4 Rb3 33.Re3 a4 34.Kf3 Kf7 35.Ke4 Rb2 36.Kf3 Rb3 37.h3 g6 38.d5 Rb5 (38...Rb2 39.h4+-) 39.Ke4 Ke7 (39...Kf6 40.Rd3 Rb7 41.Rd4 Re7 42.Kd3+-) 40.Kd4 (40.Ke5!? Rb3+-) 40...Kd6 41.Re6 Kd7 42.Ra6 1–0. Tolmacheva,Eva (1935) – Mikheeva,Alexandra (1950), Angarsk (Women) op, 2007.

7.Bg2 Be6 8.0-0 Bd6 9.d3 Re8 10.Nbd2 Qd7 (10...Qe7 11.Re1+=) 11.Rb1 b6 (11...Ng4 12.Ng5=) 12.c3 (12.Bf6!? gf6 13.c4=) 12...Rad8 13.e3 h6 14.Re1 Bf5 15.Qe2 Ne5 16.Ne5 Be5 17.d4 (17.Nf3!? Bd6 18.Qc2+=) 17...Bd6-/+ (worse is 17...Bb1 18.de5 Re5 19.Rb1+=) 18.Ra1 c5 19.Qd1 (19.c4 Bg4 20.Qd3 cd4 21.Bd4 dc4 22.Qc4 Rc8=) 19...cd4 20.cd4 Ne4 21.Ne4 Be4 (worse is 21...Re4 22.Qb3+=) 1–0. The Desert Fox (2115) – Zroyalrook, chessworld.net, 2003.

7.Bg2 Be6 8.0-0 Be7 9.d3 Qd7 10.Re1 Rad8 11.Nbd2 Rfe8 12.Rb1 b6 13.c3 a5 14.Qc2 h6 15.Nb3 Bf5 16.Nbd4 Nd4 17.Nd4 Bh7 18.a4 c6 19.c4 Bc5 20.Nf3 (20.Nb3 Bb4 21.Bf6 gf6 22.cd5 Be1 23.dc6 Qc7 24.Re1 Bd3=) 20...Qe6 (20...dc4!? 21.Bf6 cd3 (worse is 21...gf6 22.Qc4 Bb4 23.Rb4 ab4 24.Qb4+=) 22.ed3 gf6 23.Re8 Re8-/+) 21.Bf6 Qf6 (worse is 21...gf6 22.cd5 Rd5 23.Nd2+=) 22.cd5 cd5 23.e3 Rc8 24.Rec1? (24.Qb3 Bf5=) 24...Bf5 (better is 24...Re3 25.Ne1 Qe6-+) 25.Qb3= Red8 26.Rb2 (26.Nh4 d4 27.Nf5 Qf5=) 26...Qe6 (better is 26...Bd3 27.Rd2 Be4-/+) 27.Rbc2= Qg6? (better is 27...Qe8=) 28.Nh4+- Qe6 29.Nf5 Qf5 30.d4 Bb4 31.Rc8 Rc8 32.Rc8 Qc8 33.Bd5 Qc7 34.Kg2 Kf8 35.Qd3 g6 36.Qe4 Qe7 37.Kf3 Qe4 38.Ke4 g5 39.g4 Bd6 40.h3 Kg7 41.Bc4 Kf6 42.Kd5 Bc7 43.f3 Ke7 44.Kc6 Bd8? (better is 44...Bg3+-) 45.e4 f6 46.d5 Ke8 47.d6 f5 48.e5 fg4 49.fg4 b5 (49...Be7 50.de7 Ke7+-) 50.ab5 a4 51.b6 1–0. Viloria,Daniel – Gomez,Ken, ATL–ch2a Barranquilla, 1999.

7.Bg2 Qe7 8.0-0 Bg4 9.a3 Bc5 10.d3 Rfe8 11.Re1 Rad8 12.Nbd2 Ne4 13.e3 (worse is 13.de4 de4 14.Qb1 e3 (14...ef3?! 15.Nf3 Qe6 16.e3+=) 15.fe3 Be3 16.Kh1 Bd2 (16...Rd2?! 17.Nd2 Bd2 18.Rd1 Qe2 19.Rf1+=) 17.Nd2 Rd2-+) 13...Ng5 14.d4 (14.Qb1 Nh3 15.Bh3 Bh3+=) 14...Bb6 15.h4 (15.Qb1 Nh3 16.Kf1 Ba5+=) 15...Ne4 16.Qc1 Ba5 17.c3 Bf5 18.Re2 Qf6 19.Bh1 (19.Ne4 de4 20.Nd2 Qe6-/+) 19...Bb6 20.Qf1 (20.Bg2 a6-/+) 20...Nd2-+ 21.Rd2 Na5 22.Re1 (better is 22.Rdd1-+) 22...Nc4 23.Qe2 Be4 24.Rdd1 (24.Ne5 Nd2 25.Qd2 Bh1 26.Kh1-+) 24...Nb2 25.Qb2 Bf3 26.Bf3 Qf3 27.Rd2 c6 28.Ree2 (28.Rb1 Re4-+) 28...Rd6 29.Qb1 Re4 (29...Re4 30.Re1 Rg6-+) 0–1. Reussner,Hans_Dieter – Bruening,Ralf (1915), DESC, 2001.

7.Bg2 Qe7 8.0-0 Bg4 9.h3 Bf5 10.e3 Nd7 11.d3 Nb6 12.a3 Bc5 13.Re1 Na4 14.Bd4 Qd7 15.Kh2 Bd4 16.Nd4 Nd4 17.ed4 Rfe8 18.Nd2 Re1 19.Qe1 Re8 20.Qf1 Nc3 21.Re1 Re1 22.Qe1 Nb5 23.Bd5 Na3 24.c3 c6 (worse is 24...Bd3 25.Bb7 Nc2 26.Qe5+=) 25.Be4 Bh3 26.Nf3 Be6 27.c4 Nc2 (27...f5 28.d5 fe4 29.de6 Qe6-/+ (29...Qd3?? 30.e7 Qd7 31.Qe4+-)) 28.Qc3= f5 29.Qc2 fe4 30.de4 Qf7 31.Ne5 Qh5 32.Kg1 c5 33.f4 (33.Qd3!? h6 34.f4 cd4 35.f5+=) 33...cd4 34.Qd3 Qh3 35.Kf2 Qh2 36.Ke1 Qb2 37.f5 Bf7 38.g4 a5 39.Nf3 a4 40.Nd4 Qc1 41.Kf2? (better is 41.Qd1!? Qc4 42.Kf2-/+) 41...Bc4-+ (41...Bc4 42.Qe3 Qf1 43.Kg3 b5-/+; 41...Qc4?! 42.Ke3-/+) 0–1. Otto,Norbert – Tutov,Nikolay, OP–2011–0-01813, 2011.

7.Bg2 h6 8.0-0 Be6 9.a3 Bc5 10.d4 Bb6 11.Ne5 Ne5 12.de5 Ne4 13.Nc3 Nc3 14.Bc3 c5 15.e4 d4 16.Bb2 Bc4 17.Re1 Ba5 18.Qg4 Be1 19.Re1 Be6 20.Qe2 Qc7 21.f4 b5 22.f5 Bc4 23.Qg4 Qe5 24.Bc1 Kh8 25.Qh3 Rad8 26.Bg5 Rd7 27.f6 Qg5 28.fg7 Qg7 29.Qd7 a5 30.Qc7 d3 31.cd3 Qd4 32.Kh1 Bd3 33.e5 c4 34.Qe7 Qd8 35.Qc5 Qb8 36.Qd4 Qd8 37.Qc5 Qb8 38.Qd4 Qd8 39.Qb2 Kg8 40.e6 fe6 41.Re6 Rf1 42.Bf1 Qd5 43.Kg1 Qe6 44.Bd3 cd3 45.Qb5 d2 46.Qb8 Kh7 47.Qc7 Kg8 48.Qd8 Kh7 49.Qd2 Qb6 50.Kf1 Qf6 51.Ke2 Qe5 52.Kf2 Qc5 53.Qe3 Qf5 54.Kg1 Qb1 55.Kg2 Qb2 56.Kh3 Qf6 57.Qa7 Kg6 58.Qa5 Qe6 59.Kg2 Qe2 60.Kg1 Qe3 61.Kf1 Qf3 62.Ke1 Qh1 63.Kf2 Qh2 64.Kf3 Qh1 65.Kf2 ½–½. ulla (1705) – tflk (1740), gameknot.com, 2014.

7.Bg2 h6 8.0-0 Be6 9.Nc3 a6 +=.

7.Bg2 h6 8.0-0 Be6 9.d3 Qe7 (9...Re8 10.Nbd2+=) 10.c3 (10.Nc3 Rfe8+=) 10...Bd6 (10...Bc5 11.Nbd2+=) 11.Nbd2 Rad8 (11...Ng4 12.e4=) 12.Re1 Bc5 (12...Rfe8 13.Qb3=) 13.Nb3 (13.d4 Bb6=) 13...Bb6 (13...Bd6 14.Nbd2=) 14.a4 Na5 15.Ba3 (15.Nfd4 c5 16.Ne6 fe6+=) 15...c5 16.Rb1 (16.Nfd4 Bd7=) 16...Qc7 (16...Nb3 17.Rb3 Rfe8 18.Nd4=) 17.Na5 (17.Bc1 d4 18.c4 Qe7=) 17...Ba5 18.Qc2 Rfe8 19.Rb5 (19.Bc1!?=) 19...b6+= 20.Ra1 (20.Bc1 Bd7 21.Rb2 d4 22.cd4 Be1 23.Ne1 Bg4+=) 20...Rc8 (20...Bd7 21.Rbb1+=) 21.Bc1 Qd8 (21...Qe7 22.Bd2+=) 22.h3 (22.Bf4 Nh5 23.Bc1 Bd7-/+) 22...Bd7 23.Rbb1 c4 (23...d4 24.c4-/+) 24.Bb2+= Rc7 25.d4 (25.Rc1 Qc8 26.h4 Bf5+=) 25...Ne4 (25...Qc8 26.g4 h5 27.Nh4 hg4 28.hg4 Bg4 29.f3-+) 26.Nd2 (26.g4 h5 27.Ne5 Qh4-/+) 26...Bf5 (26...Ng5 27.h4 (27.Bd5?? Re2 28.Kf1 Qe8-+) 27...Nh3 28.Bh3 Bh3 29.Re1-/+) 27.Ne4+= Be4 28.Be4 Re4 29.Bc1 (29.Ba3 Rc6+=) 29...Rce7 30.e3 Qd7 (30...R7e6 31.Ba3+=) 31.Kg2+= Re8 32.Ba3 Qd8 (32...R8e6!?+=) 33.Bb4= Bb4 34.Rb4 a6 (34...h5!?=) 35.Rab1 R4e6 36.Qb2 Qd7 37.Rb6 Rb6 38.Qb6 Qa4 39.Qb4 (39.Qd6 Qc2 40.Rb7 Qe4 41.Kg1 Qe6+=) 39...Qc2= 40.Qb2 (40.Rb2 Qe4 41.Kh2 Re6=) 40...Qe4 41.Kh2 Qf3 42.Ra1 Re6= 43.Qb8 Kh7 44.Qf4 Qf4 45.gf4 Kg6 46.Ra5 Rd6 47.Kg3 Kf6 48.f3+= Ke7 49.e4 Rb6 50.ed5 Rb3= 51.Ra6 Rc3 52.Rc6 f5 53.h4 Rc1 54.Kf2 c3 55.Ke3 c2 56.Kd2 Rd1 57.Kc2 Rd4 58.Rc7 Kf6 ½–½. Viloria,Daniel (1950) – Rincon,Nelson (2060), ATL–ch Barranquilla, 1999.

7.Bg2 h6 8.0-0 Bf5 9.Nc3 =+.

7.Bg2 Ne4

8.0-0 Be6 A) 9.e3 Bd6 (9...Re8 10.d3 Ng5 11.Nbd2 Qe7 12.a3 Nf3 13.Bf3=; 9...Be7 10.Na3 Re8 11.Nb5 Qd7 12.d3 Nc5 13.Rb1+=; 9...Nd6 10.d3 Bc5 11.Nbd2 Bb6 12.Ne5 Ne5 13.Be5=; 9...Nf6 10.a3 Bd6 11.Nc3 Re8 12.Nb5 Be7 13.Ne5=; 9...Qe7 10.a3 Bd6 11.d3 Nf6 12.Nbd2 Rad8 13.Qb1=; 9...Ng5 10.a3 Bd6 11.Ng5 Qg5 12.Nc3 Ne7 13.Nb5=) 10.d3 Ng5 11.Nbd2 Nf3 12.Qf3 Qg5 13.c4+=; B) 9.a3 Be7 (9...Bc5 10.e3 Be7 11.d3 Bf6 12.Qc1 Nd6 13.Nbd2=; 9...Bd6 10.d3 Nc5 11.Nc3 Re8 12.e3 Be7 13.Rb1=; 9...Ba5 10.e3 Re8 11.d3 Ng5 12.Nbd2 Bg4 13.Qc1=) 10.d3 Bf6 11.c3 Nd6 12.Nbd2 Re8 13.e3+=; C) 9.c3 Be7 (9...Bd6 10.d3 Ng5 11.Ng5 Qg5 12.Ba3 Ba3 13.Na3=; 9...Bc5 10.d3 Ng5 11.Ng5 Qg5 12.Ba3 Ba3 13.Na3+=) 10.Ba3 Nd6 11.d3 Re8 12.Nbd2 Bf6 13.Qc2+=; D) 9.d3 Nf6 (9...Ng5 10.Nbd2 Re8 11.a3 Nf3 12.Nf3 Be7 13.e3=) 10.Nbd2 Re8 11.e3 Qe7 12.Ng5 Bd7 13.c4=.

8.0-0 Qe7 A) 9.a3 Bd6 (9...Bc5 10.d3 Nf6 11.Nbd2 Re8 12.e4 d4 13.Nb3=; 9...Ba5 10.d3 Nc5 11.Nc3 Be6 12.e3 Rfe8 13.Rb1=) 10.d3 Nf6 11.Nc3 a6 12.Re1 Bc5 13.d4=; B) 9.d3 Nf6 (9...Ng5 10.c3 Bc5 11.d4 Bd6 12.Ng5 Qg5 13.Qb3=; 9...Nd6 10.a3 Ba5 11.e3 Re8 12.Nbd2 Be6 13.Nb3=) 10.a3 Bc5 11.e3 Re8 12.Nbd2 Be6 13.Ng5=; C) 9.c3 Bd6 (9...Bc5 10.d3 Nf6 11.Nbd2 Re8 12.e3 Bf5 13.Qc2+=) 10.d3 Nf6 11.Nbd2 Re8 12.c4 Qe2 13.Qe2+=; D) 9.e3 Be6 (9...Re8 10.d3 Nf6 11.Nbd2 Bg4 12.Rb1 Rab8 13.c4=; 9...Rd8 10.a3 Bc5 11.Re1 Bg4 12.h3 Be6 13.d3=) 10.d3 Ng5 11.a3 Bd6 12.Nc3 Nf3 13.Bf3=.

8.0-0 Re8 9.d3 (9.e3 Bc5 (9...Qe7 10.d3 Nf6 11.Nbd2 Bg4 12.Rb1 Rab8 13.c4=; 9...Be7 10.Qc1 Be6 11.d3 Nf6 12.Nc3 Qd7 13.Rb1=+; 9...Bg4 10.a3 Be7 11.d3 Ng5 12.Nbd2 Qd6 13.Qb1=+) 10.Qe2 Bg4 11.h3 Be6 12.d3 Ng5 13.Ng5=+; 9.c3 Bc5 (9...Bd6 10.d3 Ng5 11.Nbd2 Nh3 12.Kh1 Qf6 13.Rb1=; 9...Be7 10.d3 Nc5 11.Nbd2 Bf6 12.Rb1 Bg4 13.Ba3=; 9...Ba5 10.d3 Nd6 11.Qc2 Bf5 12.Re1 Qf6 13.Nbd2=+) 10.d3 Ng5 11.Ng5 Qg5 12.e3 Be6 13.Ba3=+) 9...Ng5 10.c3 Bc5 11.Re1 (11.Ng5 Qg5 12.e3 Be6=+ 13.Nd2=+) 11...Nh3 (11...Nf3 12.ef3 Re1 13.Qe1-/+) 12.Bh3 Bh3 13.Nbd2 Re6 14.e4 d4 (14...Bb6 15.Qb3=+) 15.Nb3 (better 15.cd4 Nd4 16.Bd4 Bd4 17.Nd4 Qd4 18.Nb3=) 15...Bg4 (15...dc3 16.Nc5 cb2 17.Rb1=+) 16.h3?? (better 16.Nc5 Rf6 17.Qb3 (17.Nb7? Qc8-+) 17...Rf3 18.cd4+=) 16...Bf3-/+ 17.Qf3 Rf6 18.Qg2 dc3 19.Nc5 cb2 20.Rad1 (20.Rab1 Ne5 21.f4 Qd4 22.Kh1 Qc5 23.fe5 Rf2-+ (23...Qe5?! 24.Rb2 b6 25.Rf2-+)) 20...Nd4 (20...Ne5 21.Re3-+) 21.f4 Rc6 22.Nb3 Rc2 23.Rd2 (23.Qf1 Nb3 24.ab3 Qd4 25.Kh1 Rd8-+) 23...Rd2 24.Nd2 Nc2 25.Rb1 Na3 (25...Qd3?! 26.Qf2 Ne3 27.Qe1-+) 26.Re1 (26.Qe2 Nb1 27.Nb1 Qd4 28.Kh2-+) 26...Qd3 27.Nb1 (27.Kh2 Rd8 28.Re2-+) 27...Nb1 28.Qb2 (28.e5 Nd2 29.Kf2 c6-+) 28...Nd2 29.Rc1 Qg3 (29...Qg3 30.Kh1 Qh3 31.Kg1 Qg3 32.Kh1 Nf3 33.Qg7 Kg7 34.Rc7 Qh2) 0–1. Baecklin,Stefan – Ahlin,Jim, corr SVE–chT SSKK, 1976.

8.0-0 Bg4 A) 9.c3 Bc5 10.d3 Ng5 11.Ng5 Qg5 12.h3 Be6 13.Ba3+=; B) 9.e3 Ng5 (9...Re8 10.a3 Be7 11.d3 Bf6 12.Qc1 Nd6 13.Nbd2+=) 10.h4 Ne6 11.Qc1 Re8 12.a3 Bc5 13.Nc3+=; C) 9.h3 Be6 (9...Bf3 10.Bf3 Re8 11.d3 Ng5 12.Bg2 Qd7 13.Kh2=; 9...Bf5 10.d3 Ng5 11.Ng5 Qg5 12.c3 Bd6 13.Qb3=; 9...Bd7 10.e3 Re8 11.d3 Ng5 12.Ng5 Qg5 13.c3=; 9...Bh5 10.d3 Ng5 11.Ng5 Qg5 12.g4 Bg4 13.hg4+/–) 10.e3 Re8 11.a3 Be7 12.d3 Nd6 13.Nbd2+=.

8.a3 A) 8...Bc5 A1) 9.e3 Re8 (9...Bg4 10.h3 Be6 11.d3 Nf6 12.0-0 d4 13.ed4=) 10.0-0 Bg4 11.h3 Be6 12.Re1 Ng5 13.Ng5+=; A2) 9.0-0 Re8 10.e3 Bg4 11.h3 Be6 12.Re1 Ng5 13.Ng5+=; B) 8...Be7 B1) 9.d3 Nc5 (9...Nf6 10.0-0 Re8 11.Nbd2 Be6 12.Rb1 Rb8 13.c4=; 9...Nd6 10.0-0 Bf6 11.Nc3 Be6 12.e3 Re8 13.Rb1=) 10.0-0 Re8 11.Nc3 d4 12.Nb5 Na4 13.Bd4-/+; B2) 9.0-0 Re8 (9...Bf6 10.c3 Re8 11.d3 Nd6 12.Nbd2 Be6 13.Rb1+=; 9...Be6 10.d3 Bf6 11.c3 Nd6 12.Nbd2 Re8 13.Re1+=; 9...Bg4 10.d3 Nc5 11.h3 Be6 12.Nc3 Re8 13.e3+=) 10.d3 Nc5 11.c4 Bf6 12.Bf6 Qf6 13.Nbd2+=.

8.c3 A) 8...Bd6 A1) 9.0-0 Nf6 (9...Qe7 10.d3 Nf6 11.Nbd2 Re8 12.c4 Qe2 13.Qe2+=; 9...Qf6 10.d3 Nc5 11.Na3 a6 12.Rb1 Be6 13.c4=; 9...Be6 10.d3 Ng5 11.Ng5 Qg5 12.Ba3 Be7 13.f4=; 9...Re8 10.d3 Nf6 11.Nbd2 Be6 12.c4 dc4 13.Nc4=) 10.Ba3 Bg4 11.Bd6 Qd6 12.d4 Rfe8 13.Re1+=; A2) 9.d3 Nc5 (9...Nf6 10.0-0 Re8 11.Nbd2 Be6 12.c4 dc4 13.Nc4=) 10.Na3 Re8 11.0-0 Be6 12.Rb1 Be7 13.Nc2=; B) 8...Bc5 9.0-0 Re8 (9...Bg4 10.d3 Ng5 11.Ng5 Qg5 12.d4 Bd6 13.h3+=; 9...Qf6 10.Qb3 Qe6 11.d3 Nf6 12.e3 Rd8 13.Nbd2=; 9...Qe7 10.d3 Nf6 11.e3 Bf5 12.a4 Rfe8 13.Ba3+=) 10.d3 Ng5 11.Ng5 Qg5 12.e3 Be6 13.d4+=.

7.Bg2 Re8

8.0-0 d4 9.c3 dc3 10.Nc3 Bg4 11.h3 Bh5 12.g4 Bg6 13.d4 Bc3 14.Bc3 Nd5 15.Bb2 Nf4 16.e3 Ng2 17.Kg2 Be4 18.Kg1 Qd5 19.Nd2 (19.Nh4 Qg5 20.Ng2 Rad8=+) 19...Bd3 (19...Bg2!? 20.Qb3 Qb3 21.ab3 Bf1 22.Kf1-+) 20.Re1-/+ f5 (20...Nb4 21.Rc1 Qa2 22.Rc3 Qb2 23.Rb3-/+) 21.Qf3 Be4 22.Ne4 fe4 23.Qf5 Qf5 24.gf5 Rf8 25.d5 Ne7 ½-½. is_er_nog_hoop (2495) - tamik (2540), Rated Blitz game, lichess.org, 2016.

8.0-0 Bd6 9.d3 Ne5 (9...Bg4 10.Nbd2+=) 10.Nbd2 Bg4 11.Rb1 Rb8 12.h3 Bh5 (12...Nf3 13.ef3 Bh5 14.Re1=) 13.Re1 (13.Be5 Be5 14.Ne5 Re5+/–) 13...c6 (13...Nf3 14.Nf3 b5 15.Nh4=) 14.g4 (better is 14.Ne5 Be5 15.Be5 Re5 16.g4 Ng4 17.hg4 Bg4 18.Nf3+/–) 14...Nf3+= 15.Bf3 Bg6 16.c4 Be5 (16...Bc5 17.Qc2=) 17.Be5= Re5 18.Bg2 dc4 19.Nc4 Re6 20.a4 (20.Qd2 b5 21.Qf4 Nd7=) 20...h5 21.g5 Nd5 22.Qd2 Qc7 23.h4 (23.e3 Nb6 24.Nb6 ab6=) 23...Nf4+= 24.Ne3 (24.Bf3 b6 25.Qc3 Rd8-/+) 24...Rbe8 (24...f6 25.gf6 Rf6-/+) 25.Bf1? (25.Rec1 Rd8+=) 25...Qd7 (25...Re3 26.fe3 Nd5-+) 26.Qb4+= Re3 27.Qf4 R3e5 28.Rec1 b6 29.Qg3 (29.Rc4+=) 29...Bf5 (29...Ra5!? 30.Qf4 c5+=) 30.e4= Bg6 (30...Bh7 31.Rc4+=) 31.f4+= Ra5 32.f5 Bf5 33.ef5 Rf5 (33...Ra4 34.Qf2+=) 34.Rc4 (34.Rb4 c5 35.Rf4+/–) 34...Rfe5 (34...b5!? 35.ab5 cb5+/–) 35.Bh3 (35.Qf3 Rd5+-) 35...Qd6 36.Rf1 Qa3? (36...b5!? 37.Re4! Qe7 38.Re5 Qe5 39.Qe5 Re5+-) 37.Qf3 (better is 37.Bd7 R8e7 38.Rc6+-) 37...R8e7?? (37...R5e7+-) 38.Rc6 Qa4 39.Rc8 Kh7 40.Qh5 1–0. Valenta,Vit (2075) – Michalcak,Lubomir (2045), Znojmo Rotunda op, 2002.

8.0-0 Qe7 9.e3 Bg4 10.c3 (10.h3 Bf5+=) 10...Bd6-/+ 11.d3 Ne5 12.d4 Nc4 13.Bc1 Ne4 14.Nbd2?? (better is 14.Qb3-/+) 14...Ncd2-+ 15.Bd2 Qf6 16.h3 Bf3 17.Bf3 Nd2 18.Qd2 Qf3 19.Rab1 b6 20.Qc2 Re6 21.c4 (21.Rfc1 Rae8-+) 21...dc4 22.Rb5 (22.Rfe1 Rg6 23.Qe2 Qf5-+) 22...Rae8 (better is 22...c5 23.dc5 Bc5-+) 23.Rh5 (23.Rf5 Qb7 24.Qc4-+) 23...Qh5 24.Kg2 (24.h4 Rg6 25.Qa4 Re3-+) 24...Qd5 25.Kh2 Qf3 (25...Qf3 26.Qd1 Re3 27.Qf3 Rf3-+) 0–1. Salvatore – labackna, chessworld.net, 2006.

8.0-0 Bf5

9.a3 Bc5 10.d3 Bb6 11.Nbd2 Qe7 12.Re1?? (better is 12.e3=) 12...Bf2!-+ 13.Kf2 (13.Kh1 Ng4 14.Nh4-+) 13...Ng4 (13...Qe3 14.Kf1 Ng4 15.Bd4 Nd4 16.Ne4 Be4 17.Nd4 Nh2) 14.Kf1 (14.Kg1 Qe3 15.Kh1 Nf2 16.Kg1 Nh3 17.Kh1 Qg1 18.Rg1 Nf2) 14...Qe3 (14...Qe3 15.Ne4 Re4 16.Bd4 Rd4 17.Nd4 Nh2) 0–1. Armstrong,G Alan – Riley,Steve, corr, 1994.

9.a3 Bc5 10.d4 Bf8 11.Nbd2 Na5 12.Re1 h6 13.c4 dc4 (13...Nc4 14.Nc4 dc4 15.Qa4+=) 14.Ne5= Be6 (14...c6 15.Bc3=) 15.Rc1 Now all is on c4 15...c6 16.Ndc4 Nc4 17.Nc4 Bd5 18.f3 Bc4 19.Rc4 Re3 Attacks the isolani on a3 20.Bc1 Nd5 (worse is 20...Ra3 21.Ba3 Ba3 22.Qd3+/–) 21.Kf2 Qe7 Increasing the pressure on the isolated pawn on a3 (21...Qe8 22.Ra4+=) 22.f4 Qe6 23.Qc2 (23.Qd2 Re8 24.Ra4 a6=) 23...Re8 (23...Ba3 24.f5 Qe8 25.Ba3 Ra3 26.e4-/+) 24.Ra4+= (24.Be3?? Ne3 (worse is 24...Qe3 25.Kf1+=) 25.Qb3 Nc4-+) 24...Nc3 Increases the pressure on the backward pawn 25.Ra7 Re2 26.Re2 Ne2 (26...Qe2?! 27.Qe2 Re2 28.Kf3=) 27.Rb7? (27.f5 Qe7 28.Qd2 Nd4 29.Qe3-+) 27...Nd4-+ The mate threat is Qe1 28.Qd1 (28.Qe4 Qe4 29.Be4 Re4 30.Rb2-+) 28...Bc5 29.Bf1 (29.Kf1 Nc2!! 30.Re7 Re7 31.Bf3 Qh3 32.Bg2 Qh2 33.Qd8 Kh7 34.Qe7 Qg1 35.Ke2 Qg2 36.Kd3 Be7 37.g4 Ne1 38.Kd4 Qc2 39.a4 Qd3 40.Ke5 Nf3) 29...Nc2 30.Kg2 Ne1 31.Kh1 Qe4 (31...Qe4 32.Qf3 Qf3 33.Bg2 Qg2) 0–1. Dumpor,Atif – Ghitescu,Theodor, Biel, 1986.

9.d3 Bc5 10.Nbd2 h6 (10...d4 11.c3 Bg4 12.h3 dc3 13.Bc3=) 11.c4= dc4 12.Nc4 Be6 (12...Qe7 13.e3=) 13.Rc1+= Be7 14.a3 Nd7 15.e3 (15.d4 Nb6 16.Ne3 Nd5+=) 15...Nb6 16.Qc2 Bf6 17.Bf6 Qf6 18.Nfd2 Bd7 (18...Rad8 19.Bc6 bc6 20.Rfd1=) 19.d4 Qd8 (19...Rac8 20.Qc3+/–) 20.Rfd1 (20.d5 Ne7 21.Nb6 cb6+/–) 20...Rb8 (20...Rc8 21.Nf3+/–) 21.Nb3 (21.d5 Ne7 22.d6 Ng6+/–) 21...Bg4 22.Rd2 Nd5? (better is 22...Nc4!? 23.Qc4 Qd6+/–) 23.e4+- Nb6 24.Ne3 White prepares the advance d5 24...Bh5 (24...Bd7 25.Nc5+-) 25.f4 Na8 (25...Qd6 26.d5 Ne7 27.e5 (27.Qc7 Qa3 28.Qc3 Na4+-) 27...Qa3 28.g4+-) 26.d5 Ne7 27.g4 (27.Qc5 Qd6 28.Qa7 f6+-) 27...Bg6 28.f5 Bh7 29.e5 (better is 29.Qc3 Nc8 30.Nc5 Ncb6+-) 29...f6? (29...Nc8 30.e6+-) 30.ef6 (30.d6 Nc6 31.Qa2 Kh8+-) 30...gf6 (30...Nc8 31.d6! Nd6 32.Bd5 Kf8 33.fg7 Kg7 34.Nc4 Nc4 35.Bc4+-) 31.Nd4 Qd6 (31...Nc8 32.Ne6 Qe7 33.Qa4+-) 32.Ne6 Qa3 (32...Nc8 33.Qc3 Qe5+-) 33.Nc4 Qa6 (33...Qb4 34.Rb1 Qb1 35.Qb1+-) 34.Qb2 Kf7 (34...Bf5 35.gf5 Rf8 36.Nc5 Qc4 37.Rc4+-) 35.Nc5 1–0. Valenta,Vit (2195) – Drabek,Miloslav (2070), Piestany Slovakia, Pressburg U9, 2009.

9.d3 Qd7 10.Bf6= gf6 11.c3 Bf8 (11...Ba5 12.Qc2=) 12.Re1 (12.Nbd2 Ne5+=) 12...Ne5= 13.Nh4 Bh3 (13...Be6 14.d4 Ng6 15.Nf3=) 14.Bh1 (14.Bh3 Qh3 15.Nd2 c5+=) 14...Bh6 (14...c5 15.Nd2=) 15.Na3 (15.Nd2 Bg4 16.Nhf3 c6=) 15...f5 (15...c6 16.Rb1=) 16.f4 (16.c4 Qd6 17.Qb3 f4+=) 16...Ng6 (16...Ng4 17.Qb3 c6 18.Bg2 Bg2 19.Ng2=) 17.Nf3 Nf4 (17...Bg7 18.Qb3 c6 19.e3=) 18.gf4+= Qd6 19.Nc2 Bf4 Threatening mate: Bxh2 20.Bg2 Bh2 21.Kh1 (21.Nh2 Qg3) 21...Bg2 22.Kg2 Qg3 23.Kh1 Re6 24.Ne3 (24.Nh2?? Rh6 25.Rg1 Rh2) 24...Bg1 (24...Re3 25.Nh2 Kh8 26.Rg1+=) 25.Nf5+/– Qh3 26.Kg1 Rg6 27.Kf2 Rg2 28.Ke3 Qf5 29.Rg1 Re8 30.Kd4?? (30.Kd2 Qf4 31.Ke1 Qf3 32.Rg2 Qg2 33.Kd2-+) 30...b6 (30...b6 31.Rg2 Kh8 32.Rg8 Kg8 33.Qg1 Kh8 34.Qg8 Kg8 35.Rg1 Kf8 36.Rg8 Kg8 37.c4 Qf6 38.Kd5 c6) 0–1. Mengoni – Laudes, Germany, 1941.

9.d3 Qe7!? +=.

9.d3 h6 10.Nbd2 a5 11.a3 Bf8 (11...Bc5 12.e3=) 12.c4 d4 (12...dc4!? 13.Nc4 Bc5=) 13.Nb3+/- Bg4 14.Nbd4 Nd4 15.Nd4 c5 (15...Bc5 16.Nf3+/-) 16.Nf3 Qd6 17.Re1 a4 18.Bc3 Bd7 19.e4 Qc7 (19...Nh7 20.Rb1 Bc6 21.Nh4+/-) 20.Bf6+- gf6 21.d4 (21.Rb1!? Rab8+-) 21...cd4+/- 22.Qd4 Bg7 (22...Be6 23.Rec1+/- (worse 23.Qf6 Bg7 24.Qh4 Ba1 25.Ra1 Kg7=)) 23.Rad1 Be6 24.Nd2 Rad8 25.Qc3 Bg4 26.Bf3 (26.Rb1 f5 27.Qb4 Qe7 28.Qe7 Re7+/-) 26...f5+= 27.Qb4 Rd2 (27...Bf3 28.Nf3 Rd1 29.Rd1 fe4 30.Nh4=) 28.Bg4 (worse 28.Rd2 Bf3 29.Qa4 Re7-/+) 28...Rb2 29.Qa4 (better 29.ef5!? Rb4 30.Re8 Kh7 31.ab4+-) 29...b5-/+ 30.cb5 fg4 31.b6 Qb8 32.e5 (32.Rb1 Re6-/+) 32...Re6 (32...Re5 33.Re5 Qe5 34.Qg4-/+) 33.Qg4 Qb6 (worse 33...Reb6 34.Qd7=; 33...Re5?! 34.Re5 Qe5 35.b7=) 34.Qf3 Re5 35.Re5 Be5 36.Qa8 (36.Kg2 Qg6-/+) 36...Kg7 37.Qf3 Qf6 38.Qf6 (38.Qg4 Kh8 39.f3-+) 38...Bf6 39.Rd3 Ra2 40.Kg2 Be7 41.Rd7 (41.Rd5 Kf6-+) 41...Ba3 (41...Bc5 42.a4-+) 42.Rd5 Bb4 43.Rf5 Kg6 (43...Bc3 44.g4-+) 44.Rf3 (44.g4 Be7-+) 44...Bc5 45.h3 h5 46.Kf1 Ra1 47.Kg2 f5 (47...Rc1 48.Rf4-+) 48.Rc3 Bd4 49.Rc6 Bf6 50.h4 Ra2 51.Rc4 (51.Rb6 Rb2 52.Ra6 Kf7 53.Ra7 Ke6 54.Ra6 Ke5-+) 51...Rd2 52.Rc6 Kf7 53.Rc7 Ke6 54.Rc6 Ke7 55.Rc7 Rd7 56.Rc5 Ke6 57.Rc4 Rd6 58.Rf4 (58.Rc7 Rb6-+) 58...Rd2 59.Rf3 (59.Kf1 Be5 60.Rb4 Kd5 61.Rb5 Ke4-+) 59...Bd4 60.Rf4 Ke5 61.Kf1 Ra2 62.Kg2 Bb6 63.Kf1 Ba5 (63...Bc5 64.Kg2-+) 64.Kg2 (64.Rc4 Kd5 65.Rf4 Ke6-+) 64...Ra3 (64...Rd2 65.Rf3-+) 65.Rc4 Ra2 66.Rf4 Bb6 67.Rf3?? (67.Kf1 Rb2-+) 67...Bd4 68.Rf4 Re2 69.Kf1 Re4 (69...Rb2 70.Kg2-+) 70.Rf3 f4 71.gf4 Rf4 72.Rf4 Kf4 73.Kg2 Bf6 74.f3 Be7 75.Kh1 Bh4?? (better 75...Bc5-+) 76.Kg1 Bg3 77.Kh1 Bf2 78.Kh2 Bd4 79.Kg2 Bf6 80.Kh1 Kg3 ½-½. Valenta,Vit jr (2090) - Narr,K (2115), 31st Czech Rapid G1 (9), 2020.

9.d3 h6 10.Nbd2 Qd6 11.a3 Bc5 12.Nb3 Bb6 13.a4 a5 14.Nfd4 (14.e3 Nb4=) 14...Bd7 (14...Nd4!? 15.Bd4 Bg4 16.Bb6 Qb6+=) 15.Nb5= Qe7 16.e3 Ne5 17.Ba3 Qd8 18.N3d4 c5 19.Nb3 Rc8 20.d4 cd4 21.N3d4 Ne4 22.Be4 de4 23.Nd6 Bd4 24.ed4 Bg4 25.Qc1 (25.Qb1 Nf3 26.Kg2 Nd4 27.h3 Bf3 28.Kh2 Rc2 29.Ne8 Qe8 30.Bb2=) 25...Nf3-+ 26.Kg2 Qd7 27.Rd1 Bh3 (better is 27...Rc2! 28.Qe3 Nh4 29.Kg1 Bd1 30.Rd1 Qh3 31.gh4 Qg4 32.Kf1 Qd1 33.Kg2 Re6 34.Nf7 Rf6-+) 28.Kh1-/+ Bf1!! (28...Bf1 29.Qh6 gh6-+; 28...Qa4 29.Bc5 (worse is 29.Nc8 Bc8 30.Bc5 Qd7+=) 29...Qc6 30.Qf4=) 0–1. pdchessvamp – Clay56, chessworld.net, 2013.

8.0-0 Bg4

9.a3 Bc5 A) 10.e3 d4 (10...Qe7 11.Nc3 Rad8 12.d4 Bb6 13.Na4 Na5 14.Qd3+=) 11.Qc1 Rb8 12.Re1 Qd6 13.Nd4 Bd4 14.Bd4+=; B) 10.d3 Qd6 (10...Qe7 11.h3 Bh5 12.g4 Bg6 13.e3 Rad8 14.Nh4=; 10...Rb8 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.e3=; 10...Be6 11.e3 Qe7 12.Nbd2 Rad8 13.Qb1 b6 14.Re1=; 10...a6 11.Nbd2 Qe7 12.h3 Bd7 13.e3 Rad8 14.Qb1=; 10...Rc8 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.e3=) 11.Nbd2 d4 12.c3 dc3 13.Bc3 Rad8 14.Rb1=.

9.a3 Bd6 A) 10.h3 Be6 (10...Bh5 11.Nc3 Bf3 12.Bf3 d4 13.Nb1 Bc5 14.e3+=; 10...Bf3 11.Bf3 Rb8 12.Nc3 Ne5 13.Bd5 Nd5 14.Nd5+=; 10...Bf5 11.d3 Qe7 12.e3 Rad8 13.Nbd2 Ne5 14.Ne5=; 10...Bd7 11.Nc3 Na5 12.d3 c5 13.e3 b5 14.Nd2+=; 10...Bc8 11.e3 Be6 12.Nc3 a6 13.Ng5 Bd7 14.Nd5+=) 11.Nc3 Ne5 12.Nd4 c6 13.Ne6 Re6 14.d3+=; B) 10.Nc3 Qd7 (10...Ne5 11.Ne5 Be5 12.d4 Bd6 13.Qd3 c6 14.Rfe1+=) 11.Rb1 a6 12.Na2 Qe7 13.Bf6 Qf6 14.Rb7-/+; C) 10.Re1 Rb8 (10...a6 11.h3 Bf3 12.Bf3 Rb8 13.e3 Ne5 14.Be5+=; 10...Bc5 11.e3 Bh5 12.d4 Bd6 13.c4 dc4 14.Qa4+=; 10...Rc8 11.d3 Bc5 12.h3 Bf3 13.Bf3 Bd4 14.Nc3=; 10...a5 11.Nc3 Qd7 12.Rb1 Be7 13.Nb5 Ne4 14.d3=; 10...Be7 11.d3 Qd6 12.Nbd2 Rad8 13.c4 a6 14.Rb1=; 10...Ne4 11.d3 Ng5 12.Ng5 Qg5 13.Nc3 d4 14.Bc6=; 10...Be6 11.d3 a6 12.Nbd2 b5 13.a4 b4 14.e4+=; 10...h6 11.d3 Bc5 12.Nbd2 Qe7 13.c4 d4 14.h3=) 11.h3 Bf5 12.Nc3 a6 13.d3 d4 14.Nb1+=; D) 10.d3 Ne5 (10...Qe7 11.Re1 Ne5 12.Nbd2 Nf3 13.ef3 Qe1 14.Qe1=; 10...Rb8 11.Nbd2 Ne5 12.h3 Nf3 13.Nf3 Be6 14.Nd4=; 10...Bc5 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.Bd4=; 10...a6 11.h3 Bf3 12.Bf3 Qe7 13.Nd2 Be5 14.c3+=; 10...b5 11.Nbd2 Qe7 12.Re1 Rad8 13.h3 Be6 14.Ng5+=) 11.Nbd2 Nf3 12.Nf3 Qe7 13.h3 Bd7 14.e3+=.

9.a3 Be7 10.d3 (10.Nc3 Rb8 (10...Ne4 11.h3 Bf5 12.Nb5 Nd6 13.Nd6 Qd6 14.d3+=; 10...Bc5 11.Na4 Bd6 12.h3 Bf5 13.d3 Rb8 14.Nc3+=; 10...Qd7 11.Rb1 Ne4 12.Nb5 a6 13.Nbd4 Nd4 14.Bd4+=) 11.Nb5 a6 12.Nbd4 Nd4 13.Bd4 c5 14.Bb2+=; 10.e3 a6 (10...Qc8 11.d3 Qf5 12.Nbd2 Rab8 13.Re1 Bd6 14.Qb1=; 10...Qd6 11.h3 Be6 12.d3 a6 13.Nc3 b5 14.Rb1+=; 10...Rb8 11.h3 Bf5 12.d3 Qd6 13.Nc3 b5 14.Re1=; 10...Qd7 11.d3 a6 12.Nbd2 b5 13.Rb1 Qf5 14.Qc1+=; 10...Bd6 11.h3 Bh5 12.g4 Bg6 13.Nc3 h6 14.Nb5=; 10...Rc8 11.h3 Be6 12.Nc3 Qd7 13.Kh2 Rcd8 14.Rb1+=) 11.h3 Be6 12.d3 Qd7 13.Ng5 Bf5 14.g4+=; 10.h3 Bf3 (10...Be6 11.e3 Ne4 12.d3 Nd6 13.Nbd2 Qd7 14.Kh2=; 10...Bf5 11.d3 Qd7 12.g4 Be6 13.e3 Qd6 14.Nc3+=; 10...Bd7 11.d3 Be6 12.Ng5 Bf5 13.e4 de4 14.de4+=; 10...Bc8 11.e3 Be6 12.d3 Qd7 13.g4 Qd6 14.Nc3+=) 11.Bf3 Qd6 12.Bg2 Ne5 13.Be5 Qe5 14.d4+=) 10...Qd7 (10...Bc5 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.Bd4=; 10...Rb8 11.Nbd2 Qd7 12.c4 Bh3 13.Bh3 Qh3 14.cd5=; 10...Bd6 11.Nbd2 Qe7 12.Re1 Bc5 13.Nb3 Bb6 14.e3=; 10...Qd6 11.Nbd2 Rab8 12.c4 Qe6 13.Rc1 Rbd8 14.Re1=; 10...a6 11.Nbd2 b5 12.e3 Qd7 13.Rb1 Rad8 14.Nb3+=; 10...Qc8 11.Nbd2 Qd7 12.c4 Rab8 13.Rb1 dc4 14.Nc4=; 10...Rc8 11.Nbd2 Rb8 12.c4 dc4 13.Nc4 Bc5 14.Nce5=; 10...b5 11.h3 Bf5 12.Nc3 a6 13.g4 Be6 14.Ng5+=; 10...Be6 11.e3 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4+=; 10...Bf3 11.Bf3 Qd6 12.c4 dc4 13.dc4 Ne5 14.Qd6+=) 11.Nbd2 Bh3 (11...Rab8 12.c4 Bh3 13.Bh3 Qh3 14.cd5=) 12.c4 (12.Bh3 Qh3 13.c4 Rab8 14.cd5=) 12...Bg2 13.Kg2 Red8 (13...a6 14.Qb3+=) 14.Qb3 (14.Rb1=) 14...d4 15.Rad1 (15.Qb7? Rab8 16.Qb5 Rb5 17.cb5 Na5 18.Bd4 Qb5 19.Ba7 Nc6-+) 15...Ng4 16.h3 (16.Qb7? Rab8 17.Qa6 Rb2-+) 16...Nge5 17.Ne1 (17.e3 de3 18.fe3 Nd3+=) 17...f5 (17...Rab8 18.Rb1+=) 18.f4 (18.Ndf3 Bc5=) 18...Ng6 19.Ndf3 (19.Qb7?? Rab8 20.Qa6 Rb2-+) 19...Bf6 (19...Rab8!?-/+) 20.Nc2= (20.Qb7?? Rab8 21.Qa6 Rb2-+) 20...Re8 (20...b6 21.e3=) 21.Rfe1 Re7 (21...Rad8!?=) 22.e4+/– (22.Qb7? Rb8 23.Qb5 Rb5 24.cb5 Na5-+) 22...de3 (22...Re4 23.c5) 23.Ne3 (better is 23.Bf6 e2 24.c5 Kh8 25.Rd2 (25.Qb7 Rb8 26.Qb8 Nb8-/+; 25.Be7?! ed1R 26.Rd1 Qe7+=) 25...gf6 26.Rde2 Re2 27.Re2+/–) 23...Nd4?? (better is 23...Bb2 24.Qb2 Rae8+=) 24.Nd4 Re3 25.Re3 Bd4 26.Bd4 Qd4 27.Rde1 Kf8 28.Qb7 Qd8 (28...Rd8 29.Qc7 Qb6 30.Qb6 ab6 31.Rb1+-) 1–0. Hollas,Roar – Hestad,Bent, NOR–chTB final, 2004.

9.a4 a5 A) 10.Na3 Qe7 (10...Ne4 11.c3 Bc5 12.d4 Be7 13.Nb5 Rc8 14.Ba3+=) 11.Nb5 Rac8 12.e3 Ne4 13.c3 Bc5 14.Qc2+=; B) 10.Re1 Rb8 (10...Ne4 11.c3 Bc5 12.d4 Bd6 13.Ba3 Ra6 14.Bd6+=) 11.h3 Bf5 12.Na3 Ne4 13.Nb5 Qd7 14.g4+=; C) 10.h3 Be6 (10...Bf5 11.Nc3 Qe7 12.Rb1 Rad8 13.Nb5 Rc8 14.e3=; 10...Bh5 11.g4 Bg6 12.Nh4 Qd6 13.Ng6 fg6 14.Bf6=; 10...Bf3 11.Bf3 Qe7 12.Bf6 Qf6 13.c3 Ne7 14.d4=) 11.Na3 Ne4 12.Nb5 Rc8 13.Rb1 Ng5 14.Ng5+=.

9.a4 a6 A) 10.Re1 Ne4 11.c3 Bc5 12.d4 Bd6 13.Ba3 b6 14.Qd3+=; B) 10.h3 Be6 (10...Bf5 11.e3 Qd6 12.d3 Rad8 13.Nbd2 Qe7 14.Nb3+=; 10...Bf3 11.Bf3 Bc5 12.e3 Na5 13.Bc3 c6 14.d4=; 10...Bh5 11.g4 Bg6 12.Nh4 Qe7 13.Ng6 hg6 14.e3=) 11.Nd4 Nd4 12.Bd4 Be7 13.a5 Qd6 14.Nc3+=; C) 10.c3 Bd6 (10...Bf8) 11.Ba3 Ne5 12.Ne5 Re5 13.Re1 Ba3 14.Na3+=; D) 10.Na3 Qe7 (10...d4 11.h3 Bf3 12.Bf3 Ne4 13.Nc4 Qd7 14.c3+=) 11.h3 Bh5 12.e3 Ne4 13.c3 Bc5 14.c4+=; E) 10.d3 Bc5 (10...Qd6 11.e3 Rad8 12.h3 Bf5 13.Nbd2 Qe7 14.Rb1+=; 10...Qe7 11.e3 Rad8 12.h3 Bf5 13.Nc3 Qd7 14.g4=) 11.Nbd2 Qe7 12.Rb1 d4 13.Nb3 Rad8 14.h3+=.

9.a4 Rb8 A) 10.Na3 a6 11.h3 Bf3 12.Bf3 Ne4 13.Nb1 Ne5 14.Be5+=; B) 10.Re1 Qd6 (10...Bc5 11.e3 Qe7 12.h3 Bf5 13.d3 a5 14.Nbd2+=; 10...a6 11.e3 Ne4 12.h3 Bf5 13.Re2 Qd7 14.d3+=; 10...Ne4 11.c3 Bc5 12.d4 Bd6 13.Ba3 Ba3 14.Ra3+=; 10...a5 11.c3 Bd6 12.d3 b6 13.Nbd2 Ne5 14.Rb1+=; 10...Bf5 11.Ba3 Qe7 12.d3 Ne5 13.Bb4 Nf3 14.Bf3+=) 11.Na3 Ne4 12.c3 Ba5 13.Nc2 Bb6 14.Nfd4+=; C) 10.h3 Be6 (10...Bh5 11.e3 Qd6 12.Na3 a6 13.c3 Ba5 14.d3+=; 10...Bf5 11.e3 Qe7 12.d3 Rbd8 13.Nc3 a6 14.Ne2+=; 10...Bf3 11.Bf3 Qe7 12.Bf6 Qf6 13.c3 Ne7 14.d4+=) 11.e3 Ne4 12.d3 Ng5 13.Ng5 Qg5 14.Nc3+=; D) 10.c3 Bd6 (10...Bf8; 10...Bf3) 11.Ba3 Ne5 12.Ne5 Re5 13.Bd6 Qd6 14.d4-/+; E) 10.d3 Qd6 (10...Qe7 11.e3 a5 12.h3 Bh5 13.Nbd2 Qe6 14.g4+=; 10...Bc5 11.Nbd2 Qe7 12.h3 Bh5 13.Nb3 Bd6 14.Re1+=) 11.Na3 a6 12.h3 Bf5 13.e3 Rbd8 14.g4+=.

9.a4 Bc5 A) 10.a5 d4 11.a6 ba6 12.Ra6 Ne5 13.Ne5 Re5 14.Re1+=; B) 10.e3 d4 (10...Qd6 11.h3 Bf5 12.g4 Bg6 13.Nh4 Ne4 14.Nc3+=; 10...Na5 11.d3 c6 12.h3 Bh5 13.Nc3 b6 14.g4=) 11.Na3 Ne5 12.ed4 Bd4 13.c3 Nd3 14.cd4+=; C) 10.d3 Qe7 (10...Qd6 11.a5 a6 12.Nbd2 d4 13.Nb3 Rad8 14.Ra4=; 10...Rb8 11.Nbd2 Qe7 12.h3 Bh5 13.e3 d4 14.ed4=; 10...a6 11.Nbd2 Qe7 12.Rb1 d4 13.Nb3 Rad8 14.h3+=; 10...Rc8 11.Nbd2 Qe7 12.Rb1 d4 13.Nb3 Rcd8 14.h3+=; 10...Be6 11.Nbd2 Qe7 12.e3 Rad8 13.Qb1 b6 14.Nb3=; 10...a5 11.Nbd2 d4 12.Rb1 Be6 13.c3 dc3 14.Bc3=; 10...b6 11.h3 Bf5 12.Nbd2 Qe7 13.Nb3 Qe2 14.Nc5=) 11.h3 Bh5 12.Nbd2 Qe2 13.Bf6 gf6 14.Rb1+=; D) 10.d4 Bd6 11.Nbd2 Qe7 12.Re1 Rad8 13.c3 Na5 14.Qc2+=; E) 10.Ba3 Bb6 (10...Ne4) 11.Bb2 d4 12.h3 Bf5 13.a5 Bc5 14.e3+=; F) 10.h3 Be6 (10...Bf5 11.Na3 d4 12.e3 d3 13.Ne1 dc2 14.Nac2+=; 10...Bf3 11.Bf3 Ne4 12.e3 Qg5 13.Nc3 Rad8 14.Bg2+=) 11.d4 Bb4 12.c3 Ba5 13.Nbd2 Qc8 14.Kh2+=.

9.a4 Rc8 A) 10.Nc3 Ne4 (10...a6 11.Na2 Bd6 12.h3 Bf5 13.d3 Qe7 14.e3+=; 10...Bf3 11.Bf3 Ne5 12.e3 Nc4 13.Rb1 Nb2 14.Rb2+=) 11.Na2 Ba5 12.c3 Bf3 13.ef3 Nd6 14.Rb1+=; B) 10.Na3 Qe7 11.h3 Bh5 12.Bf6 Qf6 13.c3 Be7 14.Nc2+=; C) 10.Re1 Qe7 (10...a6 11.c3 Bd6 12.d3 Rb8 13.Nbd2 Qe7 14.h3+=; 10...Ne4 11.c3 Bc5 12.d4 Be7 13.Nfd2 Bf5 14.Ne4+=; 10...a5 11.h3 Bf5 12.c3 Bc5 13.d4 Bd6 14.Ba3+=; 10...Bf5 11.c3 Bc5 12.Ba3 Bb6 13.d3 Ng4 14.d4+=; 10...Qd6 11.c3 Ba5 12.d3 Ne5 13.Nbd2 c6 14.Ne5+=; 10...Rb8 11.e3 Qd6 12.c3 Ba5 13.Qc2 Bf3 14.Bf3+=; 10...Be6 11.c3 Bd6 12.a5 Rb8 13.Ba3 Ba3 14.Ra3+=; 10...Bc5 11.e3 Qe7 12.h3 Be6 13.d3 Rcd8 14.Nbd2+=) 11.e3 Qe6 12.h3 Bf5 13.Nc3 Ne4 14.Ne2+=; D) 10.d3 a6 (10...Qd6 11.e3 Rcd8 12.h3 Bf3 13.Qf3 Ne5 14.Qf5+=; 10...Bc5 11.Nbd2 Qe7 12.h3 Bd7 13.e3 Rcd8 14.Qb1=; 10...a5 11.h3 Be6 12.e3 Qe7 13.Nc3 b6 14.Rb1+=; 10...Qe7 11.e3 Qe6 12.h3 Bh5 13.g4 Bg6 14.Nh4=; 10...Rb8 11.e3 Qe7 12.h3 Be6 13.c3 Bd6 14.Ba3+=; 10...Ra8 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Nd2+=) 11.h3 Bf3 12.Bf3 Ne5 13.Be5 Re5 14.c3+=; E) 10.c3 Bc5 (10...Bf8 11.d3 Ne5 12.Nbd2 Qe7 13.Re1 Rcd8 14.Qb3+=; 10...Bd6 11.Re1 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d3+=) 11.d4 Bb6 12.Re1 Qd7 13.Bc1 Bh3 14.Qd3+=; F) 10.h3 Bf3 (10...Bf5 11.d3 Qe7 12.e3 Rcd8 13.Nbd2 Nd7 14.Nb3+=; 10...Be6 11.e3 Qe7 12.d3 Bd6 13.Nc3 a6 14.Rb1+=; 10...Bh5 11.e3 Qe7 12.d3 Rcd8 13.g4 Bg6 14.Nc3+=; 10...Bd7 11.e3 Qe7 12.Nc3 Na5 13.d3 b6 14.Qb1+=) 11.Bf3 Ne5 12.Be5 Re5 13.c3 Ba5 14.Qb3+=.

9.a4 Qd6 A) 10.c3 Ba5 11.d3 Qe6 12.Re1 Bf3 13.Bf3 Ne5 14.Bg2+=; B) 10.Na3 Qe6 (10...a6 11.c3 Bc5 12.d4 Bb6 13.e3 Na5 14.Qc2+=) 11.Nb5 Rac8 12.Nfd4 Nd4 13.Nd4 Qe7 14.h3+=; C) 10.h3 Bf3 11.Bf3 Ne5 12.Bg2 c6 13.Na3 Qe6 14.Rb1+=; D) 10.Re1 Ne4 (10...Qe6 11.Nc3 Bf3 12.ef3 Qf5 13.Ne2 Bc5 14.Rb1+=; 10...Bf3 11.Bf3 Ne5 12.Be5 Qe5 13.c3 Bd6 14.Qb3+=) 11.c3 Bc5 12.d4 Bb6 13.Nbd2 Rad8 14.Rb1+=; E) 10.Nc3 a6 (10...Bc3 11.Bc3 d4 12.Bb2 Qb4 13.Ba3 Qa5 14.Qb1+=) 11.Na2 Bc5 12.e3 d4 13.Nc1 de3 14.de3+=.

9.a4 Bd6 A) 10.h3 Bf3 (10...Bh5 11.Nc3 Bc5 12.e3 Nb4 13.Nb5 Nd7 14.d4=; 10...Bf5 11.a5 a6 12.d3 Qe7 13.e3 Be6 14.Nbd2+=; 10...Be6 11.Na3 a6 12.d3 Nd7 13.Qd2 Nc5 14.Nb1+=; 10...Bd7 11.Nc3 a6 12.e3 Qe7 13.Re1 b6 14.Re2+=; 10...Bc8 11.Nc3 Ne5 12.Ne5 Be5 13.Rb1 d4 14.Nb5+=) 11.Bf3 Rb8 12.Na3 Ne5 13.Bg2 c6 14.e3+=; B) 10.Re1 Ne4 (10...Na5 11.d3 Bc5 12.Nbd2 c6 13.Rb1 b6 14.Bc3=; 10...Rb8 11.Na3 a6 12.h3 Bf3 13.Bf3 Ne5 14.Bg2+=; 10...a6 11.d3 Bb4 12.c3 Bc5 13.Nbd2 Qe7 14.d4+=; 10...Bc5 11.e3 Qe7 12.Nc3 Qe6 13.h3 Bh5 14.Rb1+=) 11.a5 Bc5 12.e3 Ng5 13.h4 Nh3 14.Kf1-/+; C) 10.Nc3 Ne5 11.Ne5 Be5 12.f3 Bh5 13.d4 Bd6 14.Qd3+=; D) 10.a5 Qe7 11.Nc3 a6 12.Ra4 Qe6 13.Qb1 Rab8 14.e3+=; E) 10.d3 Qe7 (10...Ne5 11.Nbd2 Nf3 12.Nf3 Qe7 13.h3 Bd7 14.e3+=; 10...Bc5 11.Nbd2 Qe7 12.Rb1 Rab8 13.h3 Bd7 14.e3=; 10...Rb8 11.Nbd2 Qe7 12.Re1 Bc5 13.e3 Bb4 14.c3+=; 10...a6 11.Nbd2 Qe7 12.Rb1 b6 13.Re1 Bc5 14.c4+=; 10...Bb4 11.h3 Bf3 12.Bf3 Ne5 13.Be5 Re5 14.c3+=; 10...Nb4 11.h3 Be6 12.Na3 c6 13.Nd4 Qd7 14.Ne6+=) 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 Rad8 14.Nd2+=.

9.a4 Ne4 10.h3 (10.c3 Bc5 11.d4 Bd6 12.Ba3 a6 13.Re1 b6 14.Qd3+=; 10.d3 Ng5 11.c3 Bc5 12.Ng5 Qg5 13.Re1 Na5 14.Qc2+=) 10...Be6 (10...Bf5 11.e3 Qd7 12.d3 Nc5 13.g4 Be6 14.Ng5+=; 10...Bf3 11.Bf3 Ne5 12.Be5 Re5 13.d3 Nf6 14.c3+=; 10...Bh5 11.e3 Rb8 12.d3 Nd6 13.c3 Ba5 14.Qb3=) 11.e3 Ng5 12.Ng5 Qg5 13.Nc3 Na5 14.Nb5+=.

9.a4 Be6 A) 10.e3 Bf5 (10...Bg4 11.h3 Bf5 12.d3 a6 13.Nd4 Nd4 14.Bd4+=; 10...a5 11.Nc3 Qe7 12.Nb5 Rac8 13.c3 Bc5 14.d4=; 10...Na5 11.d3 b6 12.Nbd2 Be7 13.Rb1 a6 14.Ne5=; 10...b6 11.Ng5 Bf5 12.Bf6 Qf6 13.Bd5 Qa1 14.Bc6+=; 10...Rb8 11.Nd4 Bg4 12.f3 Bh5 13.g4 Bg6 14.g5+=; 10...a6 11.d3 Qe7 12.Ng5 Bd7 13.Nd2 Rad8 14.Rb1+=; 10...Qe7 11.d3 a6 12.c3 Bd6 13.Ba3 Ba3 14.Na3+=; 10...Bc5 11.Nc3 Qe7 12.Nb5 Ne4 13.d3 Nd6 14.Rb1=; 10...Rc8 11.d3 Qe7 12.Nbd2 Rcd8 13.Rb1 a5 14.Re1=; 10...Bd6 11.Nc3 a6 12.Rb1 Qe7 13.Re1 Rad8 14.d3+=) 11.d3 a6 12.Nd4 Nd4 13.Bd4 c5 14.Bf6+=; B) 10.h3 a6 (10...Ne4 11.e3 Ng5 12.Ng5 Qg5 13.Nc3 Na5 14.d3+=; 10...Rb8 11.e3 a5 12.Nc3 Qd7 13.Nb5 Be7 14.Rb1+=; 10...Qe7 11.c3 Bd6 12.Ba3 Ba3 13.Na3 b6 14.Nc2+=) 11.Nd4 Nd4 12.Bd4 Be7 13.a5 Qd6 14.Nc3+=; C) 10.Nd4 Nd4 (10...Bd7) 11.Bd4 Be7 12.Nc3 c5 13.Be5 Ng4 14.f4+=; D) 10.Na3 a6 11.e3 Ne4 12.c3 Bd6 13.Qc2 Qf6 14.d3+=; E) 10.d3 Qe7 (10...Bc5 11.e3 Rb8 12.Nc3 a6 13.Ne2 Bd6 14.Re1=; 10...Bg4 11.h3 Bf3 12.Bf3 Ne5 13.Be5 Re5 14.c3+=; 10...Rb8 11.Nbd2 d4 12.Nb3 Bb3 13.cb3 Qd6 14.Rc1=; 10...a6 11.e3 Qe7 12.c3 Bd6 13.Ba3 Bf5 14.Bd6+=; 10...d4 11.c3 Bc5 12.cd4 Nd4 13.Nbd2 c6 14.Rc1=; 10...a5 11.Na3 d4 12.e3 de3 13.fe3 Nd5 14.Qc1+=; 10...Rc8 11.e3 Qe7 12.c3 Bd6 13.Ba3 Bf5 14.Bd6+=; 10...b6 11.c3 Bc5 12.e3 a6 13.Ba3 Ba3 14.Na3+=; 10...Bd6 11.Nbd2 Qe7 12.Rb1 Rab8 13.Re1 Bb4 14.c3+=; 10...Bf5 11.e3 Qe7 12.Nc3 Bg4 13.h3 Be6 14.Rb1=; 10...Na5 11.Nbd2 Qe7 12.Rb1 Nc6 13.e3 Nd7 14.Re1=; 10...Be7 11.Nbd2 Rb8 12.c4 Bb4 13.Qc2 Qe7 14.Ng5=; 10...Bd7 11.Nc3 Qe7 12.Rb1 Rab8 13.e3 a6 14.Ne2=; 10...Kh8 11.Ng5 Qe7 12.e3 Kg8 13.Ne6 Qe6 14.Bf6=) 11.c3 Bd6 12.Ba3 Ba3 13.Ra3 Bg4 14.e3+=; F) 10.Nc3 Ne4 (10...a6 11.e3 Ne4 12.Na2 Bd6 13.Nc3 Qe7 14.d3+=) 11.Nb5 a6 12.Nbd4 Nd4 13.Bd4 c5 14.Rb1+=; G) 10.Ba3 Ba5 (10...Ne4 11.Bb4 Nb4 12.c3 Na6 13.d3 Nd6 14.Nd4+=; 10...Qe7 11.Bb4 Nb4 12.c3 Na6 13.d4 c5 14.Nbd2+=; 10...Qd6 11.Bb4 Nb4 12.c3 Na6 13.d4 Bf5 14.Nbd2+=; 10...Ba3 11.Na3 Ne4 12.c3 a6 13.Nc2 Qf6 14.Ne3+=; 10...Be7 11.d4 Bf5 12.Nbd2 Nb4 13.c3 Nc2 14.Be7+=) 11.Bb2 Qe7 12.Ba3 Bb4 13.Bb4 Nb4 14.c3+=; H) 10.Re1 a6 (10...Ne4 11.e3 Bg4 12.h3 Be6 13.Re2 a6 14.d3+=; 10...Qe7 11.c3 Bd6 12.Ba3 Ba3 13.Na3 b6 14.Nc2+=) 11.Ba3 Be7 12.Be7 Qe7 13.d4 Ne4 14.Nfd2+=; I) 10.c3 Bf8 (10...Be7 11.d3 Qd7 12.Nbd2 Rab8 13.Rb1 Bh3 14.Bh3+=; 10...Bc5 11.d4 Bd6 12.Ba3 Ne4 13.Bd6 Qd6 14.Qc2+=; 10...Bd6 11.d3 Rb8 12.Nbd2 Qe7 13.Rb1 a6 14.c4+=; 10...Ba5 11.d3 Bg4 12.Nbd2 Qe7 13.e3 Bb6 14.Nb3=) 11.Ba3 Bd6 12.d4 Ne4 13.Bd6 Qd6 14.Qd3+=.

9.a4 Qe7 A) 10.Nc3 Na5 (10...Bc3 11.Bc3 Ne4 12.Bb2 Qb4 13.Ba3 Qa5 14.c3+=; 10...a6 11.Rb1 d4 12.Na2 Bc5 13.Nc1 Rad8 14.Nd3+=) 11.Nb5 Ne4 12.Ne5 Bh5 13.d3 Nd2 14.Re1-/+; B) 10.e3 a6 (10...Na5 11.h3 Bh5 12.d3 c6 13.Nbd2 b6 14.Rb1=; 10...Qe6 11.h3 Bh5 12.d3 Bd6 13.Na3 Ne5 14.g4=; 10...Rab8 11.h3 Bf5 12.d3 Rbd8 13.Nc3 a6 14.Rb1+=; 10...Rad8 11.d3 a5 12.h3 Be6 13.Nbd2 b6 14.Rb1+=) 11.d3 Rad8 12.h3 Bh5 13.c3 Bd6 14.Nbd2+=; C) 10.h3 Bf3 11.Bf3 Ne5 12.e3 Nc4 13.Bd4 c5 14.Bf6+=.

9.a4 Bf3 10.Bf3 Rb8 (10...Qe7 11.Bf6 Qf6 12.c3 Ne7 13.Qb3 Bd6 14.Re1=; 10...a6 11.Bf6 Qf6 12.c3 Ne7 13.Qb3 Bd6 14.Bd5=) 11.Bg2 Qe7 12.e3 Ne5 13.d3 c6 14.Nd2 +=.

9.a4 Bf5 D1) 10.e3 b6 (10...Qe7 11.Nc3 Rad8 12.Rb1 Ne4 13.Na2 Bc5 14.Nc3+=; 10...a6 11.Nd4 Nd4 12.Bd4 Qe7 13.Nc3 Bc3 14.Bc3+=; 10...Bg4 11.h3 Bh5 12.g4 Bg6 13.Nh4 Na5 14.d3=; 10...Rb8 11.d3 a6 12.Nbd2 Qe7 13.Rb1 Bg4 14.h3+=; 10...Rc8 11.d3 Qd6 12.Nc3 a6 13.Qb1 b6 14.Na2=; 10...Qd6 11.Na3 a6 12.d3 Rad8 13.c3 Bc5 14.Nc2+=; 10...Na5 11.Bc3 Bc3 12.Nc3 c5 13.d4 Rc8 14.dc5+=; 10...a5 11.d3 Qe7 12.Nc3 Bg4 13.h3 Bd7 14.Rb1=; 10...Be6 11.d3 Qe7 12.Nc3 a6 13.Rb1 b6 14.Ne2=; 10...Bd6 11.Nc3 Nb4 12.d3 c6 13.Re1 Bc5 14.Ne2=; 10...Bc5 11.Nc3 Nb4 12.d3 c6 13.Ne2 Qe7 14.Nfd4=; 10...Be7 11.d3 Nb4 12.Nc3 c5 13.Rb1 Qa5 14.Re1+=; 10...Bd7 11.Nc3 Bg4 12.h3 Bh5 13.Nb5 Ne4 14.g4+=) 11.d3 a6 12.Nbd2 Qe7 13.Nd4 Nd4 14.Bd4+=; D2) 10.Na3 Rc8 (10...Ne4 11.c3 Ba5 12.Nb5 a6 13.Nbd4 Nd4 14.Nd4+=; 10...a6 11.e3 Qe7 12.d3 Rad8 13.Nh4 Bc8 14.c4+=) 11.Nb5 Qe7 12.d3 Bg4 13.h3 Bf3 14.Bf3+=; D3) 10.Nd4 Nd4 11.Bd4 c6 12.Nc3 Re6 13.e3 b6 14.Ne2+=; D4) 10.d3 Qe7 (10...Qd6 11.c3 Bc5 12.Ba3 Bg4 13.d4 Ba3 14.Na3+=; 10...Bg4 11.h3 Bf3 12.Bf3 Ne5 13.Be5 Re5 14.c3+=; 10...a6 11.e3 Qd6 12.c3 Ba5 13.Qc2 Nd7 14.Nh4+=; 10...Rb8 11.e3 a6 12.Nbd2 Qe7 13.Nd4 Nd4 14.Bd4+=; 10...Bc5 11.Nbd2 Qe7 12.Rb1 Rab8 13.Nb3 Ba3 14.Ba3=; 10...Rc8 11.e3 Qd6 12.Nc3 a6 13.Rb1 b6 14.Ne2=; 10...Re6 11.Ng5 Rd6 12.c3 Bc5 13.Nd2 Na5 14.Rb1+=; 10...Be6 11.e3 Qe7 12.c3 Bd6 13.Ba3 Bf5 14.Bd6+=; 10...d4 11.c3 dc3 12.Nc3 Bg4 13.Rc1 a6 14.h3=) 11.Nc3 a6 12.e3 Rad8 13.Rb1 b6 14.Re1+=; D5) 10.h3 Rc8 (10...Bc5 11.d3 Qd6 12.Nbd2 d4 13.Nb3 Be6 14.Rc1=; 10...a6 11.e3 Qd6 12.d3 Rad8 13.Nbd2 b6 14.Nb3+=; 10...Rb8 11.e3 Qe7 12.Nc3 Rbd8 13.Nb5 Rc8 14.d3=; 10...d4 11.c3 dc3 12.Nc3 Qd7 13.g4 Be6 14.Ng5+=; 10...Qe7 11.e3 Qe6 12.Nh4 Bh3 13.Bh3 Qh3 14.Bf6+=; 10...Qd6 11.d3 Rad8 12.e3 a6 13.Nbd2 Qe7 14.Rb1+=; 10...a5 11.Nc3 Qe7 12.Rb1 Rad8 13.e3 Qc5 14.Re1+=; 10...b6 11.d3 a6 12.e3 Be7 13.Nc3 Qd6 14.Rb1+=; 10...Ne4 11.g4 Be6 12.d3 Ng5 13.Nbd2 d4 14.e3+=; 10...Be6 11.e3 Na5 12.Nd4 Nc4 13.Bc3 Bc3 14.Nc3+=; 10...Be4 11.e3 Bf5 12.d3 Qd6 13.g4 Bc8 14.c3=; 10...h6 11.Nc3 Qd7 12.Nb5 Be7 13.g4 Be4 14.d3+=; 10...Kh8 11.e3 Qe7 12.d3 Rad8 13.Nbd2 Kg8 14.Rb1+=) 11.d3 Qe7 12.e3 b6 13.c3 Bd6 14.Ba3+=; D6) 10.Ba3 d4 (10...Qe7 11.Re1 d4 12.Bb2 Rad8 13.c3 dc3 14.Nc3+=) 11.Bb4 Nb4 12.Na3 c5 13.Re1 Qa5 14.Nc4+=; D7) 10.Nc3 a6 (10...Rc8 11.Nb5 Qe7 12.d3 Bd7 13.e3 a6 14.c3+=; 10...Qe7 11.Rb1 Bc5 12.Nb5 Rac8 13.e3 a6 14.Nbd4+=) 11.e3 b6 12.d3 Qd6 13.Rb1 Rad8 14.Ne2+=.

9.Nc3 a6 +=.

9.d3 a5 10.h3 Be6 (10...Bh5 11.a3 Bc5 12.Nbd2 Qe7 13.g4 Bg6 14.Nh4=; 10...Bf5 11.e3 a4 12.a3 Bc5 13.Nc3 Qc8 14.Kh2=; 10...Bf3 11.Bf3 Qe7 12.a3 Bd6 13.Nc3 Be5 14.e3=; 10...Bd7 11.Nbd2 Qe7 12.e3 a4 13.a3 Bc5 14.c4=) 11.e3 a4 12.a3 Bc5 13.Nbd2 Qe7 14.Qb1=.

9.d3 a6 A) 10.a3 Be7 (10...Bd6 11.h3 Bf3 12.Bf3 Qe7 13.Nd2 Be5 14.c3+=; 10...Bc5 11.Nbd2 d4 12.c3 dc3 13.Bc3 Bd4 14.Bd4=) 11.Nbd2 b5 12.e3 Qd7 13.Rb1 Rad8 14.Re1+=; B) 10.Nbd2 Qd6 (10...Qe7 11.e3 Rad8 12.h3 Be6 13.Qb1 b6 14.a3+=) 11.c3 Bc5 12.h3 Bf5 13.Nb3 Bb6 14.e3+=; C) 10.h3 Bd7 (10...Bf5 11.e3 Qe7 12.Nbd2 Rad8 13.Rb1 b6 14.Nb3+=; 10...Bf3 11.Bf3 Rb8 12.e3 Ne5 13.Bg2 Qe7 14.a3+=; 10...Bh5 11.Nbd2 Qe7 12.Re1 Bf3 13.Bf3 Ne5 14.Bg2+=; 10...Be6 11.Nbd2 Qe7 12.Rb1 b6 13.c4 dc4 14.Nc4+=) 11.Nbd2 Qe7 12.e3 Rad8 13.Rb1 b5 14.Re1+=.

9.d3 Rb8 A) 10.a3 Bc5 (10...Bd6 11.Nbd2 Ne5 12.h3 Nf3 13.Nf3 Be6 14.Nd4=; 10...Be7 11.Nbd2 Qd7 12.c4 Bh3 13.Bh3 Qh3 14.cd5=) 11.Nbd2 Qd6 12.Nb3 d4 13.c4 dc3 14.Bc3+=; B) 10.h3 Bh5 (10...Bd7 11.Nbd2 Qe7 12.e3 Bf5 13.Nb3 Bd6 14.Rb1=; 10...Be6 11.e3 Bc5 12.Nc3 d4 13.Na4 b6 14.Ng5=; 10...Bf3 11.Bf3 Ne5 12.e3 Qe7 13.Bg2 c6 14.Nd2+=; 10...Bf5; 10...Bc8) 11.a3 Bd6 12.Nc3 d4 13.Nb5 Bf3 14.Bf3+=; C) 10.e3 Be6 (10...Qe7 11.h3 Be6 12.Nc3 Qd7 13.Ng5 Bf5 14.a3+=; 10...Bd6 11.h3 Be6 12.Nbd2 Qe7 13.c4 dc4 14.Nc4=; 10...Bc5 11.h3 Bf5 12.Re1 d4 13.ed4 Re1 14.Qe1+=; 10...Qd6 11.h3 Bh5 12.g4 Bg6 13.Nh4 Ne7 14.Ng6=; 10...Be7 11.Nbd2 Qd7 12.c4 dc4 13.Nc4 Qf5 14.e4+=; 10...Bh5 11.Nbd2 b5 12.Rb1 a6 13.h3 Qd6 14.g4=; 10...Bf5 11.Nd4 Bd7 12.Nc6 bc6 13.Qf3 Be7 14.Be5=; 10...a6 11.h3 Be6 12.Nbd2 Qe7 13.a3 Bd2 14.Qd2=; 10...Ne5 11.Be5 Re5 12.a3 Bd6 13.h3 Bf3 14.Qf3+=; 10...b5) 11.Nd4 Nd4 12.Bd4 c5 13.a3 cd4 14.ab4+=; D) 10.c3 Bd6 (10...Bc5 11.Nbd2 Qe7 12.e3 Ne5 13.Qc2 Nf3 14.Nf3+=; 10...Be7; 10...Ba5) 11.Nbd2 b5 12.Re1 Ne5 13.h3 Nf3 14.Nf3+=; E) 10.Nbd2 Qd6 (10...Qe7 11.e3 Bd6 12.c4 Nb4 13.Qb1 Bf5 14.Ne1=) 11.c3 Bc5 12.h3 Bf5 13.Nb3 Bb6 14.c4+=.

9.d3 Rc8 10.a3 Bc5 (10...Bd6 11.Nbd2 Qe7 12.Re1 Bc5 13.Nb3 Bb6 14.e3=) 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.e3 =.

9.d3 d4 A) 10.h3 Bf3 (10...Bf5; 10...Be6) 11.Bf3 Qd7 12.Kg2 Ne5 13.Bb7 Rab8 14.Be4+=; B) 10.c3 dc3 11.Bc3 Qd6 12.Qd2 Nd5 13.Bb4 Ncb4 14.Rc1+=.

9.d3 Qd6 A) 10.Nbd2 Rad8 (10...Qe7 11.Rb1 Qe2 12.Bf6 gf6 13.Qc1 Rab8 14.Re1=; 10...Qe6 11.a3 Bc5 12.e3 Rab8 13.h3 Bh5 14.g4=; 10...Rab8 11.c3 Bc5 12.h3 Bf5 13.Rb1 Qd7 14.g4+=; 10...a5 11.a3 Bc5 12.e3 a4 13.Qb1 Na5 14.c4=; 10...d4 11.Nb3 Bc3 12.Bc3 dc3 13.e3 a5 14.h3=; 10...a6 11.c3 Bc5 12.h3 Bf5 13.Nb3 Bb6 14.e3+=; 10...Rac8 11.c3 Bc5 12.h3 Bf5 13.Nb3 Bb6 14.c4+=; 10...Re7 11.a3 Bd2 12.Qd2 Bf3 13.Bf3 Ne5 14.Be5+=) 11.a3 Bc5 12.d4 Bb6 13.e3 Ne4 14.h3+=; B) 10.h3 Bh5 (10...Bf5 11.e3 Rad8 12.Nbd2 Qe7 13.Rb1 b6 14.Nb3+=; 10...Bf3 11.Bf3 Ne5 12.Bg2 Qe6 13.Nd2 c6 14.e3+=) 11.g4 Bg6 12.Nh4 Ne7 13.c4 c6 14.g5+=; C) 10.c3 Bc5 11.e3 Ne5 12.d4 Nf3 13.Bf3 Bf3 14.Qf3-/+; D) 10.a3 Bc5 11.Nbd2 d4 12.c3 dc3 13.Bc3 Rad8 14.Rb1=.

9.d3 Bd6 H1) 10.h3 Bf3 (10...Be6 11.Nbd2 Qe7 12.Re1 Rab8 13.a3 a6 14.c4=) 11.Bf3 Qe7 12.Nd2 Be5 13.c3 Rad8 14.d4+=; H2) 10.Re1 Bf3 (10...Bc5 11.Nbd2 Qd6 12.e3 Qe6 13.h3 Bh5 14.g4=; 10...Be7 11.Nbd2 Rb8 12.h3 Be6 13.Ng5 Bc8 14.e3=; 10...Qe7 11.Nbd2 Rab8 12.h3 Be6 13.Ng5 Ba3 14.Ba3=; 10...Rb8 11.Nbd2 Qe7 12.h3 Be6 13.Ng5 Ba3 14.Ba3=; 10...a6 11.Nbd2 Rb8 12.h3 Be6 13.Rb1 Qe7 14.Ng5=) 11.Bf3 Ne5 12.Be5 Be5 13.d4 Bd6 14.c4+=; H3) 10.Nbd2 Rb8 (10...Ne5 11.h3 Nf3 12.Nf3 Bc8 13.e3 c6 14.c4=; 10...Be6 11.Ng5 Bd7 12.c4 Bg4 13.Ngf3 Ne5 14.h3=; 10...Bc5 11.Rb1 d4 12.c3 Rb8 13.h3 dc3 14.Bc3=; 10...Qe7 11.Rb1 Rab8 12.Re1 Be6 13.e4 de4 14.Bf6=) 11.c4 Ne5 12.Be5 Be5 13.d4 Bd6 14.c5+=.

9.d3 Qe7 A) 10.e3 a6 (10...Qe6 11.h3 Bh5 12.g4 Bg6 13.Nh4 Ne5 14.f4=; 10...Bd6 11.h3 Be6 12.Nc3 a6 13.Ne2 Rab8 14.Rb1+=; 10...Rad8 11.h3 Be6 12.Nbd2 a6 13.Qb1 b6 14.a3+=; 10...Rab8 11.h3 Bf5 12.Nc3 a6 13.Rb1 b5 14.Ne2=; 10...a5 11.h3 Be6 12.a3 Bc5 13.Nc3 a4 14.Nb5=; 10...Rac8 11.h3 Be6 12.Nbd2 Rb8 13.a3 Bc5 14.Nb3=; 10...Nd8 11.h3 Bh5 12.Nbd2 c6 13.c4 dc4 14.Nc4=; 10...Be6 11.Nbd2 Rab8 12.Rb1 Bd6 13.Ng5 Be5 14.Be5=; 10...Bc5 11.h3 Be6 12.Nbd2 Rab8 13.Ng5 Bd7 14.Rb1+=) 11.h3 Be6 12.Nbd2 Rad8 13.Ng5 Bd7 14.Rb1+=; B) 10.h3 Bf3 (10...Be6 11.Nbd2 Rad8 12.e3 a6 13.Qb1 b6 14.a3+=; 10...Bf5 11.e3 a6 12.Nbd2 Rad8 13.Rb1 b5 14.Nb3+=; 10...Bd7 11.e3 Rad8 12.Nbd2 Bf5 13.Rb1 b6 14.Nb3+=) 11.Bf3 Ne5 12.Bg2 c6 13.a3 Ba5 14.e3+=; C) 10.a3 Bd6 (10...Bc5 11.h3 Bf3 12.Bf3 Ne5 13.e3 Bd6 14.Bg2+=) 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Nd2+=.

9.d3 Be7 10.Nbd2 Rb8 (10...Qd6 11.c4 Rad8 12.Rb1 Rb8 13.cd5 Qd5 14.Ne5=; 10...Qd7 11.Rb1 Rab8 12.c4 a6 13.cd5 Nd5 14.Ne4=; 10...Be6 11.c4 Rb8 12.Rc1 Qd7 13.e3 dc4 14.Nc4=; 10...a5 11.Rb1 Rb8 12.c4 Qd7 13.a3 d4 14.Re1=; 10...Rc8 11.c4 dc4 12.Nc4 Rb8 13.Rb1 Bc5 14.Qd2=; 10...Bc5 11.Rb1 Rb8 12.h3 Be6 13.Ng5 Bd7 14.c4=; 10...a6 11.c4 Qd7 12.Rb1 Rab8 13.cd5 Nd5 14.Ne4=; 10...Qc8 11.c4 Qe6 12.Rb1 Rab8 13.Qb3 dc4 14.Qc4=) 11.c4 dc4 12.Nc4 Be6 13.Rc1 a6 14.Ng5 =.

9.d4 a5 10.Ne5 Bf5 11.c4 Be4 (11...Ne4 12.a3 Bd6 13.f4 dc4 14.Nc4=) 12.Be4 Ne4 13.Nc6 (13.a3 Bf8+=) 13...bc6 14.a3 (14.cd5 cd5 15.a3 Bd6+=) 14...Bd6 (14...Bf8 15.f3 Rb8 16.fe4 Rb2 17.Qc1 Re2 18.Nc3 R2e4 19.Ne4 Re4 20.Qc2+=).

9.d4 Qc8 10.a3+= Bd6 11.Nc3 a6 (11...Qf5 12.Nb5+=) 12.e3 (12.Bc1 Qf5+=) 12...Bh3 (12...Na5 13.Qc1 Bh3 14.Ne5-/+) 13.Bh3 (13.Qd3 Bg2 14.Kg2 g6+=) 13...Qh3 14.Re1 (14.Qe2 h6-/+) 14...Re7 (14...Na5 15.Qd3 Nc4 16.Bc1-/+) 15.Qd2 (15.Rb1 Qg4+=) 15...Rae8 16.Rad1 b5 (16...h6 17.Rb1-/+) 17.Qe2 (17.Rf1!?+=) 17...Na5 -/+.

9.d4 Ne4 10.c3 Ba5 11.Qc1 +=.

9.Re1 Ne4 A) 10.h3 Bh5 11.a3 Bc5 12.e3 d4 13.g4 Bg6 14.Nd4-/+; B) 10.a3 Bc5 (10...Ba5) 11.d4 Qf6 12.c3 Bb6 13.Nbd2 Rad8 14.Ne4+=; C) 10.a4 Qe7 11.c3 Bc5 12.d4 Bd6 13.Ba3 Ba3 14.Ra3+=; D) 10.Nc3 Bc5 11.d4 Bb4 12.Qd3 Qd7 13.a3 Ba5 14.Ne5-/+; E) 10.c3 Bc5 11.d4 Bd6 12.Nbd2 Na5 13.Ne4 de4 14.Nd2+=.

9.h3 Bc8 A) 10.Nc3 Ne4 (10...Be6 11.Nb5 Be7 12.Ne5 Qc8 13.Kh2 Ne4 14.Nc6+=; 10...Bc5 11.e3 Bf5 12.Rb1 Rb8 13.Nb5 Ne4 14.d3=; 10...Bf5 11.Rb1 d4 12.Nb5 Bc5 13.e3 d3 14.c4=; 10...a6 11.a3 Bd6 12.e3 Qe7 13.Re1 Bf5 14.d3=; 10...Be7 11.Rb1 Be6 12.Ng5 Bf5 13.d3 h6 14.e4+=) 11.Nb5 Bc5 12.e3 a6 13.Nbd4 Nd4 14.Nd4+=; B) 10.a3 Bd6 (10...Be7 11.e3 Be6 12.Nc3 Qd7 13.Kh2 Na5 14.d3+=; 10...Bc5 11.e3 Bf5 12.Re1 Qd6 13.Nc3 Qd7 14.g4+=) 11.e3 Qe7 12.Nc3 a6 13.Re1 Bf5 14.d3+=; C) 10.Na3 a6 11.Nb1 Bc5 12.e3 d4 13.ed4 Nd4 14.Nd4+=; D) 10.e3 Be7 (10...Bf5 11.d3 Qe7 12.Nbd2 Rab8 13.Rb1 a6 14.Nb3=; 10...a6 11.d3 Qe7 12.Nbd2 b5 13.a4 Bd7 14.ab5=; 10...Qe7 11.Nc3 Bf5 12.Nb5 Rac8 13.d3 Bd7 14.a3=; 10...Rb8 11.Nc3 Bf5 12.a3 Bc5 13.Nb5 Ne4 14.Nbd4+=; 10...Bd7 11.d3 Qe7 12.Nbd2 Rad8 13.Re1 a6 14.a3=; 10...Be6 11.d3 Qe7 12.a3 Bd6 13.Nbd2 b5 14.Ng5+=; 10...a5 11.Nc3 Bf5 12.a3 Be7 13.g4 Be6 14.Rb1+=; 10...Bc5 11.Nc3 Be6 12.Rb1 Ne4 13.Ne2 Qe7 14.d3=; 10...Bd6 11.Nc3 Bf5 12.d3 a6 13.Ne2 Bd7 14.Rb1=; 10...Qd6 11.Nc3 a6 12.a3 Ba5 13.d3 Bb6 14.Re1=) 11.d3 Be6 12.Nbd2 Qd6 13.c4 Rad8 14.Qb3+=; E) 10.d3 Qe7 (10...Be6 11.Nbd2 Qe7 12.Rb1 Rab8 13.e3 Bd6 14.Ng5=; 10...Qd6 11.e3 Bc5 12.Nbd2 d4 13.Nc4 Qd7 14.Re1=; 10...Bf5 11.e3 Qe7 12.Nbd2 Rab8 13.Qe2 Bd6 14.Rfb1+=; 10...Bc5 11.Nbd2 d4 12.Nb3 Bb6 13.a4 a5 14.c4+=; 10...Bd7 11.e3 Qe7 12.Nbd2 Bf5 13.a3 Bd6 14.Nd4=; 10...Rb8 11.e3 Qe7 12.Nc3 a6 13.Ne2 Bd6 14.Re1=; 10...a6 11.Nbd2 Qe7 12.Re1 Be6 13.Rb1 Rab8 14.Ng5=; 10...a5 11.e3 a4 12.a3 Bc5 13.Nc3 Ra5 14.Ne2=; 10...Bd6 11.Nbd2 Qe7 12.Re1 Be6 13.Qb1 Rab8 14.a3=; 10...Be7 11.Nbd2 Be6 12.Ng5 Bf5 13.c4 Rb8 14.Rb1=) 11.a3 Bd6 12.e3 Be6 13.Nbd2 Rad8 14.Qb1+=.

9.h3 Bf3 10.Bf3 d4 11.c3 Bc5 12.d3 Rb8 13.Nd2 Qd6 14.Nc4 Qd7 15.Kh2 dc3 16.Bc3 Nd5 17.Bb2 b5 18.Nd2 Bd4 19.Qb3 Bb2 20.Qb2 Ne5 21.Bg2 c5 Black prepares b4 22.Nf3 Nf3 23.Bf3 b4 24.Rfe1 Nc3 25.Qb3 a5 26.Qc4 (26.Kg2!?-/+) 26...Qd4-+ 27.e3 (27.Qd4!? cd4 28.Rec1 a4-+) 27...Qc4 28.dc4 Red8 29.Bd5 Nd5 30.cd5 Rd5 31.Rec1 Rc8 32.Rc4 Rd2 33.Kg2 g6 34.g4 (34.Kf1 Kg7-+) 34...a4 35.Kf3 f6 36.h4 b3 37.Ra4? (37.h5-+) 37...b2 38.Rb1 c4 0–1. heaterhog (1985) – hanzelpeter (2305), gameknot.com, 2015.

9.c3 Bd6

10.a3 Qe7 11.h3 Bf3 12.Bf3 Ne5 13.e3 c5 14.Be2 -/+.

10.Na3 Qe7 11.Nb5 Qe2 12.Nd6 cd6 13.Qe2 Re2 14.Rad1 -/+.

10.d3 Qd7 11.Re1 Bf3 12.Bf3 h5 13.h4 Ne5 14.Bg2 Neg4 15.Nd2 Nf2 16.Kf2 Ng4 17.Kg1 Bg3 18.e4 Bh4 (18...Bf2 19.Kh1 Be1 20.Qe1-+) 19.Rf1 (better is 19.Re2 Qd6 20.Nf3 Qb6 21.Nd4+=) 19...Qd6-+ Threatening mate... how? 20.Rf3? (better is 20.Nf3 Qb6 21.Kh1 Nf2 22.Rf2 Bf2 23.Qc2 de4 24.de4-/+) 20...Qb6 21.d4 Qb2 22.e5 Bg5 23.Nf1 c6 24.Rb1 Qa2 25.Rb7 Re7 26.Rb4 a5 27.Rb6 Rc7 28.Qd3 Qa3 29.Ng3 Qc1 30.Bf1 Be3 31.Kg2 Qd2 32.Be2 (32.Qd2 Bd2 33.Nh5-+) 32...Qd3 33.Bd3 a4 34.Bb1 (34.Nf5 Bg5 35.Rb2 c5-+) 34...a3 (better is 34...Ne5 35.Re3 Nc4 36.Kf2 Nb6 37.Nh5-+) 35.Ba2 g6 36.Nf1 Bg5 37.Kg3 Raa7 38.c4 dc4 39.Rc3 Ra4 40.Kf3 (40.Rc4 Rc4 41.Bc4 Kg7-+) 40...c5 41.Ke4 cd4 42.Kd4 Bf4 43.Rc4 (43.Rb5-+) 43...Be5 (43...Be5 44.Kd5 Rcc4 45.Bc4 Nf6 46.Ke5 Nd7 47.Kd6 Nb6-+; better is 43...Rcc4 44.Kd5 Rc1 45.Rb1 Rf1 46.Rf1 Ne3 47.Kc5 Nf1 48.e6 fe6 49.Be6 Kg7 50.Ba2-+) 0–1. Viloria,Daniel (1950) – Villegas,John Jairo (1920), ATL–ch Barranquilla, 1999.

10.d3 Qe7 11.Re1 Ne5 12.Nbd2 Nf3 13.ef3 Be6 14.c4 +=.

10.d4 Qe7 11.Re1 Rab8 12.Nbd2 b5 13.h3 Bd7 14.Qc2 +=.

10.d4 Qe7 11.Re1 h6 12.Nbd2 Nd8 (12...Qe6 13.Qb3+=) 13.a4 c6 14.h3 Bd7 (14...Bf3 15.Nf3 Ne6 16.Qd3+=) 15.Nh2 (15.c4!?=) 15...Bf5 16.Qb3 (16.c4 Qe6 17.c5 Bc7-/+) 16...Ne4 (better is 16...Bg3!? 17.c4 Bf4-+) 17.Ne4+= Be4 18.f3 (18.Ba3 Ba3 19.Ra3 Bg2 20.Kg2 Rb8+=) 18...Bf5-/+ 19.g4 (19.Nf1 Qd7-/+) 19...Bg6 (better is 19...Qe3!? 20.Kh1 Bg6-+) 20.Nf1 Ne6 (20...b6 21.e4+=) 21.e4+= de4 (21...Rad8 22.e5 Bb8 23.Ne3-/+) 22.fe4 Nf4 23.e5 Bc7 (23...Bb8 24.Ba3 Qd7 25.Rad1+=) 24.Bc1 (better is 24.Ba3!? Qe6 25.Qb7 Ng2 26.Kg2=) 24...Ng2-/+ 25.Kg2 b6 26.Bf4 Qe6 (26...Rad8!?+=) 27.Qe6= fe6 28.Ng3 c5 29.h4 c4 (29...cd4 30.cd4 Rad8 31.Be3=) 30.Ne4+= Be4 31.Re4 a6 32.Rb1 Rab8 33.Re2 Rb7 (33...Rf8 34.Rf2+=) 34.Reb2 Reb8 35.Kf3 Kf7 36.Ke4 Ke7 37.Be3 b5 38.ab5 ab5 (38...Rb5 39.Rb5 Rb5 40.Rb5 ab5 41.d5+/–) 39.g5 Ba5 40.Bd2 hg5 41.hg5 Kd7 42.d5 (42.g6 Kc6+/–) 42...ed5 43.Kd5 Kc7 44.Kc5 Bb6= 45.Kd5 Rd8 46.Ke4 Kc6 47.Be3?? Be3-/+ 48.Ke3 Rd3 49.Ke4 Rc3 50.e6 Ra3 51.Ke5 Re3-+ 52.Kf5 Kc5 53.Rd2 c3 54.Rd7 Rd7 55.ed7 Rd3 56.Ke6 b4 57.Ke7 c2 58.Rc1 b3 59.d8Q Rd8 60.Kd8 Kd4 61.Ke7 Kd3 62.Rf1 b2 63.Kf7 c1Q 64.Rc1 bc1Q 65.g6 Qc7 (65...Qc7 66.Ke8 Qd6-+) 0–1. onurtasan – goco (1775), internet, 2007.

10.Re1 b6 (10...Qd7 11.d3 Bf3 12.Bf3 Ne5 13.Bg2 Qf5 14.Nd2+=; 10...Qe7 11.d3 Rab8 12.Nbd2 Ne5 13.c4 Bf3 14.Nf3+=; 10...Bf3 11.Bf3 Ne5 12.Bg2 c6 13.d3 Rb8 14.Nd2+=) 11.c4 dc4 12.Ng5 Ne5 13.Ba8 Qa8 14.h3 +=.

9.c3 Bf8

10.d3 Bc5 A) 11.Nbd2+= Qe7 12.e3 Bf5 13.Qc2 Rad8 14.Nb3 Bd6 15.Rab1+=; B) 11.Re1 Bf3 (11...Qe7 12.Nbd2 Bf5 13.d4 Bd6 14.c4 Qd7 15.a3=; 11...Qd6 12.Nbd2 Rad8 13.Qb3 Na5 14.Qc2 Bf5 15.Nd4+=; 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.e3 Qf5 15.Qb3+=; 11...a6 12.Nbd2 Qd6 13.d4 Bb6 14.c4 Qb4 15.cd5=; 11...a5 12.Ba3 Bf3 13.Bf3 Ba3 14.Na3 Ne5 15.Bg2+=; 11...Qc8 12.Nbd2 Bh3 13.Qb3 Bg2 14.Kg2 Qd7 15.c4+=) 12.Bf3 Ne5 13.Bg2 Bf2 14.Kf2 Nfg4 15.Kg1-+; C) 11.Qc2 Qd7 (11...Qc8 12.Ba3 Ba3 13.Na3 Qe6 14.Rfb1 Qe7 15.Qb2+=; 11...Qe7 12.e3 Rad8 13.Nbd2 Bf5 14.Nh4 Be6 15.d4+=; 11...Qd6 12.e3 Qe6 13.Nbd2 Rad8 14.Rab1 Qf5 15.Nd4+=; 11...Bf5 12.e3 Qe7 13.Nbd2 Rad8 14.Nb3 Bd6 15.Rab1+=; 11...Bd6 12.e3 Qe7 13.Nbd2 Rad8 14.Qb3 Bf5 15.c4+=) 12.e3 Bf3 13.Bf3 Ne5 14.Bg2 Qf5 15.c4+=; D) 11.h3 Be6 (11...Bf5 12.Ba3 Bb6 13.Nbd2 Qd7 14.g4 Be6 15.e3=; 11...Bf3 12.Bf3 Qe7 13.e3 Rad8 14.Qc2 Ne5 15.Bg2=) 12.Nbd2 Qe7 13.Ng5 Bd7 14.e4 d4 15.Rb1+=.

10.d3 Qc8 A) 11.Nbd2 Qe6 12.Re1 Bc5 13.c4 dc4 14.Rc1 Bf3 15.Bf3+=; B) 11.Re1 Qe6 (11...Bf3 12.Bf3 Ne5 13.Bg2 Qf5 14.Nd2 Rad8 15.h3+=; 11...Bc5 12.Nbd2 Bh3 13.Qb3 Bb6 14.e3 Bg2 15.Kg2+=; 11...Qf5 12.Nbd2 Bc5 13.c4 dc4 14.Nc4 Bf3 15.Bf3+=; 11...Bh3 12.c4 Be7 13.cd5 Nd5 14.Nc3 Bg2 15.Kg2+=; 11...Qd7 12.Nbd2 Rad8 13.Qa4 Bc5 14.Nb3 Be7 15.c4=; 11...Be7 12.Qb3 Rb8 13.Nbd2 Bh3 14.c4 dc4 15.Qc4=) 12.Nbd2 Bc5 13.c4 dc4 14.Rc1 Bf3 15.Bf3+=; C) 11.Qc2 Qf5 (11...Bc5 12.Ba3 Ba3 13.Na3 Qe6 14.Rfb1 Qe7 15.Qb2+=; 11...Bh3 12.c4 Bg2 13.Kg2 dc4 14.Qc4 Re2 15.Bf6=) 12.Na3 Bc5 13.Nb5 Re7 14.Nbd4 Nd4 15.cd4+=; D) 11.c4 Qe6 12.cd5 Nd5 13.h3 Bh5 14.e3 Rad8 15.Qb3+=.

10.d3 d4 11.Nbd2 (11.cd4 Bf3 12.Bf3 Nd4 13.e3 Nf3 14.Qf3 Be7 15.Rd1=; 11.h3 Bf3 12.Bf3 Rb8 13.Bg2 Bc5 14.cd4 Bd4 15.Nc3=; 11.Qd2 Qd7 (11...Rb8 12.h3 Bf3 13.Bf3 Qd7 14.Bg2 Qe6 15.Re1=; 11...Bc5 12.Rc1 Bb6 13.h3 Bf3 14.Bf3 Qd6 15.Qf4=) 12.Re1 dc3 13.Nc3 Be7 14.Rab1 Bh3 15.Bh3=; 11.a3 Bc5 12.h3 Bf3 13.Bf3 Qd6 14.Bc6 dc3 15.Nc3+=) 11...dc3 (11...Qe7 12.Re1 dc3 13.Bc3 Nd5 14.Bb2 Rad8 15.Rc1=; 11...Bc5 12.cd4 Bd4 13.Rb1 Rb8 14.Re1 Bb2 15.Rb2=) 12.Bc3 Nd5 13.Bb2 Bb4 14.Rc1 (14.Rb1 Qe7 15.Qc2=) 14...Qe7 15.e3 Rad8 16.Nc4 b5 17.Ncd2 Ne3 18.fe3 Qe3 19.Kh1 Rd3 (19...Re6 20.a3 Bf8 21.Re1 Qd3 22.Re6 fe6 23.Qe1+-) 20.Rc6 Rd2 21.Qc1 Bf3 22.Bf3 (22.Rf3? Qe1 23.Qe1 Re1 24.Rf1 Rf1 (24...Rb2?! 25.Re1 Be1 26.Rc7-/+) 25.Bf1 Rb2 26.Rc7 a6-+) 22...Qd3 23.Rc7? (better is 23.Qb1 Qb1 24.Rb1+=) 23...Rb2!-+ 24.Rf7? (24.Qb2 Qf1) 24...Qd2 (better is 24...Rc2 25.Rg7 Kg7 26.Qg5 Qg6 27.Qb5 Bd6-+) 25.Qd2= Rd2 (25...Bd2 26.Bd5 (26.Ra7?! h6=) 26...h5 27.Re7 Kh7 28.Be4 Kh6 29.Re8+-) 26.Ra7 =. Arendarski – Drygas, corr Poland, 1995.

10.d3 Bd6 A) 11.Re1 Ne5 (11...Bf3 12.Bf3 Ne5 13.Bg2 Rb8 14.Nd2 c6 15.d4=; 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 Ne5 15.Rb1=; 11...Bc5 12.Nbd2 Qd6 13.Qb3 Rab8 14.e3 Bf5 15.d4=; 11...Qe7 12.Nbd2 a6 13.Qb3 Be6 14.Ng5 Na5 15.Qc2=; 11...Be6 12.Nbd2 Rb8 13.c4 dc4 14.dc4 Bf5 15.Qb3=; 11...Rb8 12.Nbd2 Qe7 13.Qc2 Qe6 14.e4 de4 15.Ne4=) 12.Nbd2 c6 13.Ne5 Be5 14.Qb3 b5 15.d4+=; B) 11.Nbd2 Bc5 (11...Qe7 12.Re1 Rad8 13.Qb3 b6 14.c4 Na5 15.Qc2=; 11...Ne5 12.h3 Bh5 13.Ne5 Be5 14.g4 Ng4 15.hg4+=) 12.c4 d4 13.Nb3 Qd6 14.h3 Bf3 15.Bf3+=.

10.d3 Qd7 A) 11.Nbd2 Ne5 (11...Qe6 12.Re1 Bc5 13.c4 dc4 14.Rc1 Bf3 15.Bf3+=; 11...Rad8 12.c4 Qe6 13.h3 Bf3 14.Bf3 dc4 15.Nc4+=; 11...Be7 12.Rb1 Bh3 13.Bh3 Qh3 14.c4 dc4 15.Nc4=; 11...Bh3 12.Bh3 Qh3 13.Rb1 Rab8 14.e3 Qf5 15.c4=) 12.c4 Nf3 13.Bf3 d4 14.Rb1 Bf3 15.Nf3+=; B) 11.Qc2 Rad8 (11...Bc5 12.e3 Bf3 13.Bf3 Ne5 14.Bg2 Qf5 15.c4+=; 11...Bh3 12.Bh3 Qh3 13.c4 dc4 14.Bf6 cd3 15.Qd3+=; 11...Qf5 12.Na3 Bc5 13.Nb5 Re7 14.Nbd4 Nd4 15.cd4+=; 11...Bd6 12.Re1 Rad8 13.Nbd2 Bh3 14.Bh3 Qh3 15.Qb3+=; 11...Be7 12.Nbd2 Rad8 13.Rab1 Bh3 14.Rfe1 Bg2 15.Kg2+=) 12.e3 Bf3 13.Bf3 Ne5 14.Be2 Qh3 15.Nd2-/+; C) 11.Re1 Bc5 (11...Rad8 12.Nbd2 Bc5 13.Nb3 Bd6 14.Nbd2 Bh3 15.Bh3+=; 11...Be7 12.Nbd2 Rad8 13.Rb1 a6 14.Bc1 Rb8 15.Qc2+=; 11...Qe6 12.Nbd2 Bc5 13.c4 dc4 14.Rc1 Bf3 15.Bf3+=; 11...Bf3 12.Bf3 Ne5 13.Bg2 Qf5 14.Nd2 Rad8 15.h3+=; 11...Bh3 12.Bh3 Qh3 13.c4 Be7 14.cd5 Nd5 15.Qb3+=; 11...Bd6 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 Ne5 15.Rb1=) 12.Nbd2 Bh3 13.Bh3 Qh3 14.e3 Qf5 15.Qb3+=.

10.d3 Ne5 A) 11.Nbd2 Qd7 (11...Nf3 12.Nf3 c6 13.Qc2 Bd6 14.c4 Qe7 15.h3+=; 11...Qe7 12.Re1 Nf3 13.Nf3 c6 14.Rb1 Rad8 15.Qb3+=; 11...c6 12.Ne5 Re5 13.Re1 Re8 14.Rb1 Qd7 15.c4+=; 11...Bd6 12.h3 Bh5 13.Ne5 Be5 14.g4 Ng4 15.hg4=; 11...Bc5 12.Ne5 Re5 13.d4 Be2 14.Qb3 Bf1 15.Nf1+=; 11...Qd6 12.h3 Nf3 13.Nf3 Bf3 14.Bf3 c6 15.Rb1=) 12.c4 Nf3 13.Bf3 d4 14.Rb1 Bf3 15.Nf3+=; B) 11.Ne5 Re5 12.f3 Be6 13.e4 Rh5 14.Re1 Be7 15.e5=.

10.d3 Qe7 11.Re1 Qe6 (11...Bf3 12.Bf3 Ne5 13.Bg2 Qe6 14.Nd2 Neg4 15.e3=; 11...Qd7 12.Nbd2 Bc5 13.c4 d4 14.Nb3 Bb4 15.Rf1=) 12.Nbd2 Bc5 13.c4 dc4 14.Rc1 Bf3 15.Bf3 +=.

10.d4 a6 A) 11.Bc1 Bd6 (11...Ne4 12.a3 Qd7 13.Bf4 Bd6 14.Bd6 Qd6 15.Re1+=; 11...Bf5 12.Re1 Ne4 13.Nfd2 Qf6 14.Ne4 de4 15.Bf4+=; 11...Qd7 12.Re1 Bh3 13.Bh3 Qh3 14.Bf4 Qd7 15.Qd3+=; 11...Rb8 12.Bf4 Bd6 13.Bd6 Qd6 14.Re1 Ne4 15.Qd3+=) 12.Nbd2 Qd7 13.Re1 Na5 14.a4 Ne4 15.Ne4+=; B) 11.Nbd2 Qd7 (11...Qe7 12.Re1 Qe6 13.Qb3 h6 14.Ba3 Ba3 15.Qa3+=) 12.c4 Rad8 13.c5 b6 14.cb6 cb6 15.Rc1+=; C) 11.Re1 Qc8 (11...Qd7 12.Ba3 Ba3 13.Na3 b5 14.Rb1 Bf5 15.Rb2+=; 11...Rb8 12.Ba3 Ba3 13.Na3 Ne4 14.Qd3 Qd7 15.Nd2+=; 11...Bd6 12.Ba3 Ne4 13.Bd6 Qd6 14.Nfd2 Nf6 15.Nf3+=; 11...Bf5 12.Ba3 Ba3 13.Na3 Be4 14.Nc2 Qd6 15.Ne3+=; 11...Ne4 12.Bc1 Bd6 13.Nh4 Bc8 14.Nf3 Qf6 15.Qb3+=; 11...Be7 12.Ne5 Bf5 13.c4 Nb4 14.Na3 c6 15.Qd2+=) 12.Ne5 Bh3 13.Bf3 Ne5 14.de5 Ng4 15.Qd5+=; D) 11.h3 Bf3 (11...Bf5 12.Nbd2 Qd6 13.g4 Bg6 14.Nh4 Be4 15.f3+=) 12.Bf3 Qd7 13.Kg2 Ne4 14.Bc1 Na5 15.Qd3+=; E) 11.a4 b6 (11...Qe7 12.Re1 Qe6 13.Bc1 Bd6 14.Ba3 Ba3 15.Na3+=; 11...Rb8 12.Ba3 Ba3 13.Ra3 Qe7 14.Re1 Na5 15.Ne5+=; 11...Ne4 12.Nbd2 Nd2 13.Qd2 Na5 14.Ne5 Bh5 15.Rab1+=; 11...Bf5 12.Ba3 Bd6 13.Re1 b6 14.Nbd2 Ba3 15.Ra3+=; 11...Qd7 12.Ba3 Ba3 13.Na3 Ne4 14.Qc2 b6 15.Rfe1+=; 11...Ra7 12.Nbd2 Qe7 13.Re1 Qe6 14.Qb1 h6 15.e4=) 12.Nbd2 Qe7 13.Re1 Qe6 14.c4 Bb4 15.cd5-/+; F) 11.e3 b5 (11...Ne4 12.Nbd2 Bd6 13.Qc2 Bf5 14.Qb3 Be7 15.Ba3+=; 11...b6 12.Nbd2 Be7 13.c4 dc4 14.Nc4 b5 15.Ncd2=) 12.a4 b4 13.cb4 Nb4 14.Nc3 Bd6 15.Ba3+=.

10.d4 Rb8 D1) 11.Re1 Bd6 (11...Be7 12.Ba3 Ba3 13.Na3 Ne4 14.Qd3 Qd7 15.Nd2+=; 11...Ne4 12.Nbd2 Qd7 13.Ne4 de4 14.Nd2 Bf5 15.e3+=) 12.Ba3 Ne4 13.Qb3 Ba3 14.Na3 b5 15.Rac1+=; D2) 11.e3 Bd6 (11...Ne4 12.Nbd2 Qd7 13.Qc1 Bh3 14.Bh3 Qh3 15.c4+=; 11...Be7 12.Ba3 Ba3 13.Na3 Qe7 14.Qc1 Ne4 15.c4+=) 12.Ba3 Ba3 13.Na3 Qe7 14.Qb3 Ne4 15.Nb1+=; D3) 11.Bc1 Qd7 (11...Bd6 12.Re1 Ne4 13.Nfd2 Qf6 14.Ne4 de4 15.Be3+=; 11...Ne4 12.Bf4 Bd6 13.Bd6 Qd6 14.Re1 Bf3 15.Bf3+=; 11...Bf5 12.Bf4 Ne4 13.Nh4 Be6 14.Nf3 Qe7 15.Qd3+=; 11...Be7 12.Bf4 Bd6 13.Bd6 Qd6 14.Re1 Ne4 15.Nfd2+=) 12.Bf4 Nh5 13.Bc1 Bh3 14.Bh3 Qh3 15.e4+=; D4) 11.a4 Bd6 (11...Qd7 12.Ba3 Ba3 13.Na3 Ne4 14.Qc2 Bf5 15.Qb3+=; 11...Qc8 12.Ba3 Ba3 13.Na3 Ne4 14.Rc1 Qd8 15.Qd3+=; 11...a5 12.Ba3 Be7 13.e3 Ne4 14.Qb3 Ba3 15.Ra3+=; 11...Bf5 12.Ba3 Bb1 13.Bf8 Be4 14.Bc5 Nd7 15.Ba3+=; 11...Qe7 12.Re1 Qe6 13.Bc1 Ne4 14.Bf4 Re7 15.a5+=; 11...a6 12.Nbd2 Qd7 13.c4 Be6 14.Ne5 Ne5 15.de5+=) 12.Ba3 Ba3 13.Ra3 Ne4 14.a5 a6 15.Re1+=; D5) 11.Nbd2 Qd7 (11...Qe7 12.Re1 Qe6 13.h3 Bf5 14.c4 Nb4 15.Rc1+=) 12.c4 Bb4 13.Ne5 Ne5 14.de5 dc4 15.Nc4+=.

10.d4 Bd6 A) 11.h3 Bf3 (11...Bh5 12.Nbd2 Qd7 13.Re1 Na5 14.Ne5 Be5 15.de5=; 11...Bf5 12.Ba3 Ba3 13.Na3 Qd6 14.Nb5 Qd7 15.Kh2+=; 11...Be6 12.Ba3 Bf5 13.e3 Rb8 14.Bd6 Qd6 15.Qb3+=; 11...Bc8 12.Re1 Bf5 13.Ba3 Ba3 14.Na3 Qd7 15.g4+=; 11...Bd7 12.Ba3 Bf5 13.e3 Rb8 14.Bd6 Qd6 15.Qb3+=) 12.Bf3 Qd7 13.Kg2 Na5 14.Nd2 Ne4 15.Rb1+=; B) 11.Nbd2 Na5 (11...Qe7 12.Re1 a6 13.Qc2 Qd7 14.c4 Bf5 15.Qb3+=; 11...Qd7 12.c4 Bh3 13.cd5 Nd5 14.Bh3 Qh3 15.e4=) 12.Re1 Qd7 13.c4 Nc4 14.Nc4 dc4 15.Ne5+=; C) 11.Bc1 a6 (11...Qd7 12.Re1 Bh3 13.Bh3 Qh3 14.Ba3 Rad8 15.Bd6+=; 11...Rb8 12.Re1 Ne4 13.Nfd2 Qf6 14.Ne4 de4 15.Be3+=; 11...Ne4 12.Re1 Qf6 13.h3 Be6 14.Qb3 Na5 15.Qb2+=; 11...Na5 12.Re1 Bf5 13.Bg5 c6 14.Nbd2 h6 15.Bf6+=; 11...Bf5 12.Ba3 Ba3 13.Na3 Qd6 14.Nc2 Be4 15.Ne3+=; 11...Qe7 12.Re1 Rab8 13.Bg5 Qe6 14.Bf6 Qf6 15.Nbd2+=) 12.Nbd2 Qd7 13.Re1 b5 14.a4 b4 15.Bb2-/+; D) 11.Re1 Re7 (11...Na5 12.Ba3 Bf3 13.Bf3 Ne4 14.Bd6 Qd6 15.Be4+=; 11...Ne4 12.Nbd2 Na5 13.Ne4 de4 14.Nd2 e3 15.fe3+=; 11...Rb8 12.Ba3 Ne4 13.Qb3 b5 14.Bd6 Qd6 15.Nbd2+=; 11...Bf5 12.Ba3 Rb8 13.Bd6 Qd6 14.Nbd2 b5 15.a4+=; 11...Qe7 12.Nbd2 a6 13.Qc2 Qd7 14.c4 Bf5 15.Qb3+=; 11...Re6 12.Nbd2 Rb8 13.c4 dc4 14.Nc4 Bb4 15.Rf1=) 12.Ba3 Ne4 13.Qd3 Qd7 14.Bd6 Nd6 15.Ng5+=.

10.d4 Qd7 A) 11.Nbd2 Bh3 (11...Qe6 12.Re1 Bd6 13.Qb3 a6 14.e4 Na5 15.Qa4=; 11...Rab8 12.c4 Bb4 13.Ne5 Ne5 14.de5 dc4 15.Nc4+=; 11...a6 12.c4 Rad8 13.c5 b6 14.cb6 cb6 15.Rc1+=) 12.Bh3 Qh3 13.c4 dc4 14.Nc4 Rad8 15.Rb1+=; B) 11.Re1 Ne4 (11...Bh3 12.Bh3 Qh3 13.Ba3 Be7 14.Be7 Re7 15.Na3+=; 11...Be7 12.Nbd2 Rad8 13.a3 a6 14.Qb3 Ne4 15.Bc1+=; 11...Qe6 12.Ba3 Ba3 13.Na3 Ne4 14.Qb3 Rab8 15.Rad1+=; 11...Rab8 12.Ba3 Ba3 13.Na3 Ne4 14.Qd3 Bf5 15.Nh4+=) 12.Nbd2 Rad8 13.Qc2 Bf5 14.Ne4 Be4 15.Qa4+=; C) 11.e3 Qf5 (11...Bh3 12.Ba3 Bg2 13.Kg2 Be7 14.Be7 Qe7 15.Nbd2+=; 11...Be7 12.Ba3 Bh3 13.Be7 Bg2 14.Kg2 Re7 15.Nbd2+=; 11...Ne4 12.Qc2 Bh3 13.Ba3 Bg2 14.Kg2 Ba3 15.Na3+=) 12.Ba3 Ne4 13.Bf8 Rf8 14.Qe2 Na5 15.Re1-/+; D) 11.a4 Bf5 (11...Qe6 12.Re1 Ne4 13.Ba3 Ba3 14.Ra3 Bf3 15.Bf3+=; 11...Rab8 12.Ba3 Ba3 13.Na3 Qe6 14.e3 a6 15.Qd3+=; 11...Ne4 12.Ba3 Ba3 13.Ra3 Bf3 14.Bf3 Na5 15.Ra2+=; 11...Re6 12.Nbd2 Rae8 13.Re1 Bd6 14.Ba3 Ba3 15.Ra3+=; 11...Qe7 12.Re1 Qe6 13.Ba3 Ba3 14.Na3 Ne4 15.Qc1+=; 11...Bh3 12.Ba3 Bg2 13.Kg2 Ba3 14.Na3 a6 15.Rb1+=) 12.Ba3 Bb1 13.Bf8 Bf5 14.Ba3 Bh3 15.Bc1+=; E) 11.Bc1 Bh3 (11...Bd6 12.Re1 Na5 13.Ba3 Bf3 14.Bf3 Ne4 15.Bd6+=; 11...Ne4 12.Bf4 Bd6 13.Bd6 Qd6 14.Re1 Bf3 15.Bf3+=; 11...Qe6 12.Re1 Bd6 13.Ba3 Ba3 14.Na3 Ne4 15.Qb3+=; 11...Rab8 12.Bf4 Nh5 13.Bc1 Bh3 14.Bh3 Qh3 15.e4+=; 11...Bf5 12.Bf4 Re7 13.Re1 Rae8 14.Bg5 Qe6 15.Nh4+=; 11...Rac8 12.Re1 Bd6 13.Ba3 Ba3 14.Na3 Rb8 15.Rb1+=) 12.Bh3 Qh3 13.Re1 Qe6 14.Bf4 Nh5 15.Bc1+=.

10.d4 Qe7 11.e3 (11.Re1 Qe6 12.Ba3 Ba3 13.Na3 Ne4 14.Qb3 Rab8 15.Rad1+=) 11...Qd7 (11...Qe6 12.Ba3 Ne7 13.Qb3 Rab8 14.Ne5 Bh3 15.Bh3+=; 11...Qe4 12.h3 Bf3 13.Bf3 Qf5 14.Bg2 Ne4 15.Qd3+=; 11...Ne4 12.Ba3 Qf6 13.Bf8 Rf8 14.h3 Bf5 15.Qb3=) 12.Ba3 Ba3 13.Na3 Bh3 14.Rb1 Bg2 15.Kg2 +=.

10.d4 Bf5 A) 11.Ba3 Ba3 (11...Be7 12.e3 Rb8 13.Be7 Qe7 14.Nbd2 Bd3 15.Re1+=; 11...Bd6 12.Bd6 Qd6 13.Nbd2 Qe6 14.Re1 h6 15.c4+=) 12.Na3 Qd6 13.Nc2 Be4 14.Re1 Rab8 15.Ne3+=; B) 11.e3 Ne4 (11...Be4 12.Ba3 Be7 13.Be7 Qe7 14.Nbd2 Bd3 15.Re1=; 11...Rb8 12.Ba3 Ba3 13.Na3 Qe7 14.Qb3 b5 15.Rfc1+=; 11...a6 12.Ba3 Bd6 13.Bd6 Qd6 14.Nh4 Bd7 15.Nd2+=; 11...Be7 12.Ba3 Rb8 13.Be7 Qe7 14.Nbd2 Bd3 15.Re1+=; 11...Bd6 12.Ba3 Rb8 13.Re1 b5 14.Bd6 Qd6 15.Nbd2+=; 11...Qd7 12.Ba3 Bb1 13.Bf8 Bf5 14.Ba3 Bh3 15.Qd3+=) 12.Nbd2 Na5 13.Qc1 c5 14.Ba3 Rc8 15.Rd1-/+; C) 11.Bc1 Ne4 (11...Bd6 12.Ba3 a5 13.Bd6 Qd6 14.Nbd2 Qe6 15.Re1+=; 11...Be7 12.Bf4 Na5 13.Nbd2 Nh5 14.Be3 c6 15.Ne5+=; 11...Qd7 12.Bf4 Re7 13.Re1 Rae8 14.Bg5 Qe6 15.Nh4+=; 11...Rb8 12.Nbd2 Bd6 13.c4 Bb4 14.Bb2 Ne4 15.Ne4+=; 11...a6 12.Bf4 Bd6 13.Bd6 Qd6 14.Nbd2 Qe6 15.Re1+=; 11...Rc8 12.Ba3 Ba3 13.Na3 Qe7 14.Qb3 b6 15.e3+=) 12.Bf4 Rb8 13.Nh4 Be6 14.f3 Nd6 15.Bd6-/+; D) 11.Re1 Ne4 (11...Rb8 12.Ba3 Ba3 13.Na3 Be4 14.Nc2 Qd7 15.Qd2+=) 12.Nbd2 Qd7 13.a4 Be7 14.Qb3 b6 15.Ba3+=; E) 11.Nh4 Bd7 (11...Be6 12.Ba3 Be7 13.Qd3 Qd7 14.Be7 Re7 15.Nd2+=; 11...Bc8 12.Qd3 Bd6 13.Re1 Qe7 14.Nf5 Bf5 15.Qf5=; 11...Be4 12.f3 Bb1 13.Rb1 Qd6 14.Qd3 Na5 15.e4=) 12.Bc1 Bg4 13.Re1 Be7 14.Qd3 Qd7 15.Bg5+=; F) 11.Nbd2 Be7 (11...Qd7 12.c4 Rad8 13.cd5 Qd5 14.Nh4 Be4 15.Ne4=; 11...Na5 12.Ne5 Bd6 13.c4 c5 14.cd5 cd4 15.Nec4=; 11...Qc8 12.c4 dc4 13.Nc4 Be4 14.Rc1 Be7 15.Nfe5=; 11...Qd6 12.Re1 Be7 13.c4 Nb4 14.Bc3 Qa6 15.Nh4=) 12.c4 dc4 13.Nc4 Be6 14.Rc1 Bd5 15.Nce5+=.

10.Re1 A) 10...Bd6 A1) 11.Na3 Qd7 (11...Ne4 12.Rc1 Bc5 13.d4 Be7 14.Nc2 Qd6 15.Ne3=; 11...Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Qb3 Qd7 15.d4+=; 11...Bc5 12.d4 Be7 13.Qb3 Rb8 14.Bc1 Ne4 15.Bf4+=; 11...a6 12.Rb1 b5 13.Nc2 Bf3 14.Bf3 Ne5 15.Bg2+=) 12.Qb3 a6 13.d3 b5 14.Rad1 Na5 15.Qc2-/+; A2) 11.d3 Ne5 (11...Bf3 12.Bf3 Rb8 13.Nd2 Ne5 14.Bg2 c6 15.d4=; 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 Ne5 15.Rb1=; 11...Bc5 12.Nbd2 Qd6 13.Qb3 Rab8 14.e3 Bf5 15.d4=; 11...Qe7 12.Nbd2 Bc5 13.Qb3 Qd7 14.Rab1 Na5 15.Qc2=; 11...a6 12.Nbd2 Qe7 13.Qb3 Be6 14.Ng5 Na5 15.Qc2=; 11...Rb8 12.Nbd2 b5 13.Rb1 a6 14.a4 Ne5 15.Ne5=) 12.Nbd2 c6 13.Ne5 Be5 14.Qb3 b5 15.h3+=; B) 10...Bf3 11.Bf3 Ne5 12.Bg2 c6 13.Bc1 d4 14.d3 Bc5 15.Qc2+=.

10.h3 A) 10...Be6 A1) 11.Ba3 Be7 (11...Qd7 12.Bf8 Rf8 13.Kh2 Rfe8 14.Na3 Rab8 15.Nc2+=; 11...Bd6 12.Re1 Rb8 13.Bd6 Qd6 14.d3 Ne5 15.Nbd2+=; 11...Ba3 12.Na3 Rb8 13.Rb1 a6 14.d3 Ne7 15.Ng5+=; 11...Ne7 12.Ng5 Bf5 13.Qb3 b6 14.d3 c5 15.e4+=; 11...d4 12.Bf8 Kf8 13.Qc2 Qd7 14.g4 Bd5 15.g5+=; 11...Rb8 12.Bf8 Kf8 13.e3 Qd7 14.Kh2 Kg8 15.d3+=) 12.d3 Qd7 13.Be7 Re7 14.Kh2 Rae8 15.Nbd2+=; A2) 11.Kh2 Bf5 (11...Bc5 12.Ba3 Bb6 13.e3 Bf5 14.d3 Nd7 15.Nd4+=; 11...Rb8 12.d3 Bd6 13.Nbd2 Qe7 14.c4 dc4 15.Nc4+=; 11...Be7 12.d3 Bd6 13.Nbd2 Qe7 14.c4 dc4 15.Nc4+=; 11...a6 12.d3 Bd6 13.Ba3 b6 14.Bd6 Qd6 15.Nbd2+=; 11...Bd6 12.Ba3 Rb8 13.d3 Ba3 14.Na3 Qe7 15.Nc2+=; 11...Na5 12.d3 Bd6 13.Nbd2 c5 14.Qc2 Qe7 15.c4+=) 12.d3 Bd6 13.Ba3 Ne5 14.Ne5 Re5 15.Re1+=; A3) 11.Ng5 Bf5 (11...Qd7 12.c4 dc4 13.Bf6 gf6 14.Ne6 Re6 15.Nc3=; 11...Bd7 12.c4 d4 13.e3 Bc5 14.Re1 Rb8 15.Qb3+=; 11...Bc8 12.c4 a6 13.Re1 d4 14.e3 h6 15.Nf3+=) 12.d3 Bc5 13.Ba3 Ba3 14.Na3 Qe7 15.Qb3-/+; A4) 11.e3 Rb8 (11...Qc8 12.Kh2 Bf5 13.d3 Qe6 14.Ng5 Qd7 15.c4+=; 11...Be7 12.Ba3 Qd7 13.Kh2 Bf5 14.d3 Rad8 15.Re1+=; 11...Bd6 12.Ba3 Ba3 13.Na3 Qe7 14.Nc2 Rab8 15.d3=; 11...Bf5 12.d3 Bd6 13.Ba3 Qe7 14.Bd6 Qd6 15.g4+=; 11...a6 12.d3 Be7 13.Ba3 Qd7 14.Kh2 b6 15.Be7+=; 11...Qd7 12.Kh2 Bd6 13.Ba3 Bf5 14.d3 Rad8 15.Bd6+=) 12.d3 Qd7 13.g4 h5 14.g5 Nh7 15.h4-/+; A5) 11.Qa4 Qd7 (11...Bd7 12.Qd1 Bf5 13.d3 Bc5 14.e3 Qe7 15.a4+=; 11...Bf5 12.Re1 Qd7 13.c4 Be7 14.cd5 Nd5 15.Nd4+=; 11...Bd6 12.c4 Bd7 13.cd5 Nd5 14.Re1 Be6 15.d3+=) 12.Kh2 Bc5 13.Ba3 Bb6 14.d3 d4 15.c4+=; A6) 11.d3 Rb8 (11...Bd6 12.Nbd2 Qe7 13.Rb1 Rad8 14.Qc2 a6 15.Rfe1+=; 11...Qd7 12.Kh2 Rad8 13.Nbd2 Bd6 14.Qa4 Bc5 15.Rab1+=) 12.Nbd2 Qd7 13.Ng5 Bf5 14.c4 Be7 15.g4+=; B) 10...Bf3 11.Bf3 Qd6 (11...Ne5 12.Bg2 c6 13.d3 Rb8 14.Nd2 b5 15.Qc2=; 11...Bd6 12.d3 Qd7 13.Bg2 Qe6 14.Re1 Rad8 15.Nd2=) 12.Qb3 Na5 13.Qb5 Nc4 14.Bc1 a5 15.d3+=.

9.Nc3 Ne4

10.a3 Ba5 11.Rb1 A) 11...Qd7 12.Ba1 (12.Re1 Rad8 13.Ba1 Nc3 14.Bc3 Bc3 15.dc3 b6-/+) 12...Rab8 13.Re1 Bb6 14.e3 Ba5 15.Rb5 Bc3+=; B) 11...Bc3 12.Bc3 Nc3 13.dc3 Rb8 14.h3 Be6 15.Nd4 Na5+=; C) 11...Nc3 12.Bc3 (12.dc3 Qd7 13.c4 dc4 14.Qd7 Bd7 15.e3 Rad8-/+) 12...Bc3 13.dc3 Rb8 14.h3 Bf5 15.Nh4 Be6+=; D) 11...Qd6 12.h3 (12.Nb5 Qc5 13.Bd4 Nd4 14.Nbd4 Bb6 15.Qc1 Qe7-/+) 12...Bf3 13.Bf3 Rad8 14.e3 Bc3 15.Bc3 Nc3+=; E) 11...a6 12.h3 Bh5 13.Re1 b5 14.Nh4 Qg5 15.Ne4 de4+=; F) 11...Rb8 12.h3 Bf3 13.Bf3 Qd6 14.e3 Bc3 15.Bc3 Qa3-/+.

10.a3 Ba5 11.Nb1 Ng5 12.Re1 Nf3 13.Bf3 Bf3 14.ef3 Qg5 15.Re2 Qg6 -/+.

10.a3 Ba5 11.Re1 A) 11...Qd7 12.Rb1 Rab8 13.Ba1 Bb6 14.e3 Ba5 15.Rb5 Bc3+=; B) 11...a6 12.h3 (12.Rb1 Bb6 13.Rf1 Nc3 14.dc3 Ne5 15.Nd2 Qg5-/+; 12.Nb1 Bb6 13.d4 Qf6 14.c3 Ne5 15.Nbd2 Bf3-/+) 12...Bf3 13.Bf3 Qg5 14.e3 Rad8 15.Nb1 Qf5-/+; C) 11...Bc3 12.Bc3 Nc3 13.dc3 Qd6 14.Rb1 b6 15.c4 Bf3+=; D) 11...Nc3 12.Bc3 Bc3 13.dc3 Na5 14.Qd4 Re4 15.Qd3 c6+=; E) 11...Rb8 12.Nb1 (12.h3 Be6 13.Nb5 Qd7 14.h4 Bg4 15.c3 Bf3-/+; 12.a4 Qd6 13.Rb1 Bc3 14.Bc3 Qc5 15.e3 Nc3-/+) 12...Qd7 13.c3 Bf3 14.ef3 Nd6 15.f4 Qf5-/+; F) 11...Bb6 12.Rf1 (12.d4 Qd7 13.Ne4 de4 14.d5 ef3 15.ef3 Bf5-/+) 12...Nd4 13.Na4 Ne2 14.Qe2 Nc5 15.Qb5 Bd7+=; G) 11...Qd6 12.h3 Bf3 13.Bf3 Rad8 14.Bg2 Nd2 15.Qd2 d4-/+.

10.a3 Ba5 11.h3 Bh5 (11...Bf3 12.Bf3 Qg5 13.e3 Bc3 14.Bc3 Nc3 15.dc3 Rad8-/+; 11...Bc3 12.Bc3 Bf3 13.Bf3 Qg5 14.Rb1 Rab8 15.Be4 de4+=; 11...Nc3 12.Bc3 Bc3 13.dc3 Be6 14.Nd4 Na5 15.Qd3 c6-/+) 12.g4 (12.Rb1 Rb8+= 13.a4 Bc3 14.Bc3 Nc3 15.dc3 Na5-/+; 12.Re1 Qd6 13.Nb1 Ne7 14.Ra2 Qh6 15.g4 Bg6+=) 12...Bg6 (12...Nc3 13.Bc3 Bc3 14.dc3 Bg6 15.Rb1 Na5-/+) 13.Nb1 (13.Na2 Nc5 14.Rb1 Qe7 15.e3 Na4+=) 13...Bb6 (13...Nc5 14.d3 Na4 15.Ra2 d4-/+) 14.e3 (14.d3 Nf2 15.Rf2 Be3=) 14...Qe7 (14...d4 15.ed4 (15.a4-/+ Bc5-/+) 15...Nd4+=) 15.Ne1 (15.d3 Ng5+= (15...Nd6=)) 15...Bc5 (15...d4-/+) 16.Qf3 (16.Nf3 Nd6+=) 16...Rad8 (16...d4 17.Nd3-/+) 17.d4 (17.d3 Ng5 18.Qg3 Ne6+=) 17...Bd6-/+ 18.Nd3 (18.Qe2 Qe6-/+) 18...Na5 (better is 18...Ng5!? 19.Qd1 Nh3 20.Bh3 Qh4-+) 19.Nf4-/+ Nc4 20.Bc1 c6 21.Ng6 fg6 22.Qd1 (22.Qe2 Rf8-/+) 22...Qh4-+ 23.f4 Rd7 24.Qe2 (24.Qe1 Qg3-/+) 24...Rde7 25.Rf3 Rf7 26.c3 (26.Qd1 Qf6-+) 26...b6 27.a4 a6 28.Bd2 Ref8 29.Be1 Qe7 30.Qf1 g5 31.f5 Qd7 32.Qe2 a5 33.Qa2 h5 34.Bf1+= hg4 35.hg4 Nf6 36.Bc4= dc4 37.Qc4 Ng4 38.e4 Bh2 39.Kg2 Re8 40.Nd2 Bf4 41.Qb3 Qc7 42.e5= Ne5 43.de5 Qe5 44.Rf2 Qf5 45.Nf1 Qg4 46.Kh1 Qh3 47.Kg1= Rb8 48.Bd2 Qg4 49.Rg2 Qf5 50.Re1 b5 51.ab5 cb5 (51...cb5 52.Qa3 Ra8=). Psion – Psion, 4 Min/Zug, 1990.

10.a3 Bc3 11.Bc3 Nc3 12.dc3 Qf6 13.Rb1 Rab8 14.Qd5 Re2 15.Nd4 Nd4 +=.

10.a3 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.Rb1 Rab8 14.Qd5 Re2 15.Nd4 Nd4 +=.

10.Rb1 Rb8 (10...Qd7 11.Ne4 de4 12.Ng5 Qd2 13.Qd2 Bd2 14.Ne4+=) 11.h3 Bc3 12.Bc3 Bf3 13.Bf3 Qg5 14.e3 +=.

10.Re1 Bc5 11.d4 Bb4 12.Qd3 Qd7 13.a3 Ba5 14.Ne5 -/+.

10.h3 Bf3 11.Bf3 Rb8 12.Nb1 Ne5 13.Be5 Re5 14.a3 +=.

9.d3 Bc5

10.a3 Be6 (10...Qd6 11.Nbd2 d4 12.c3 dc3 13.Bc3 Rad8 14.Rb1=; 10...Rb8 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.e3=; 10...Qe7 11.h3 Bf5 12.e3 Rad8 13.Nbd2 Be6 14.Qb1=; 10...a6 11.Nbd2 d4 12.c3 dc3 13.Bc3 Bd4 14.Bd4=; 10...Rc8 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.e3=) 11.e3 Qe7 12.Nc3 a6 13.Qb1 Bd6 14.Ne2 +=.

10.Nbd2 d4 (10...Qe7 11.Rb1 d4 12.Nb3 Rad8 13.h3 Bf3 14.Bf3+=; 10...Qd6 11.Nb3 d4 12.c3 dc3 13.Bc3 Ba3 14.Qd2+=) 11.Nb3 Bb6 12.c3 dc3 13.Bc3 Qd6 14.e3 +=.

10.h3 Be6 11.Nbd2 +=.

10.h3 Be6 11.Ng5 Bc8 12.e3 h6 13.Nf3 d4 14.ed4 +=.

10.h3 Bf5 11.Nbd2 d4 12.c3 dc3 13.Bc3 Nd4 14.Bd4 =.

10.h3 Bh5 11.Nbd2 Qd6 12.e3 Rab8 13.g4 Bg6 14.Nh4 =.

10.h3 Bf3

11.Bf3 Qe7 12.e3 =.

11.Bf3 Nd4

12.Bd4 Bd4 13.c3 Bb6 +=.

12.e3 Nf3

13.Qf3 d4 14.ed4 Bd4 15.c3 Bb6 16.Nd2 Rb8 17.Rae1 =.

13.Qf3 d4 14.ed4 Bd4 15.c3 Bb6 16.Nd2 c6 17.c4 Bd4 18.Rab1 Bb2 19.Rb2 Qd7 20.Rfb1 b6 (20...Qh3?! 21.Rb7 Qe6 22.Nb3+=).

13.Qf3 d4 14.ed4 Bd4 15.c3 Bb6 16.Nd2 c6 17.c4 Bd4 18.Rab1 b6 +=.

13.Qf3 d4 14.ed4 Bd4 15.c3 Bb6 16.Nd2 c6 17.Rfe1 Qd7 18.c4 Ba5 (18...Bd4 19.Bd4 Qd4 20.Rab1+=) 19.Re8= Re8 20.Nb3 (worse is 20.Bf6 Bd2 (worse is 20...gf6 21.Ne4 Bd8 22.Qg4 Qg4 23.hg4+=) 21.Rd1 Qh3-/+ (worse is 21...gf6 22.Rd2 Qh3 23.Rd1+=)) 20...Bd8 21.Kg2 h6 22.Rd1 Qc8 (22...Qd6 23.Bd4=) 23.Bf6 (23.d4 b5=) 23...Bf6 24.d4 Qe6 25.d5 cd5 26.cd5 Qd6 27.Nd4 h5 (27...Bd4 28.Rd4 Rd8 29.Qf4=) 28.Nf5 Qd7 29.Ne3 (worse is 29.Qh5 Re5 30.g4 g6-/+) 29...Bg5 30.Qf5 Qf5 (30...Qd8 31.d6 Be3 32.fe3 Re3 33.Qh5=) 31.Nf5+/– Kf8 32.f4 Bf6 33.Kf3 Rd8 34.g4 g6 35.Ng3 hg4 36.hg4 b6 37.Ne4 Bb2 38.Rd2 ½–½. O'Hara,Matthew – Luzuriaga,Norberto Horacio, corr or01–005 E–mail, 2001.

13.Qf3 d4 14.Kg2 c6 15.Nd2 de3 16.Bf6 Qf6 17.Qf6 gf6 18.fe3 Re3 =.

9.Re1 Bc5

10.d3 Qd6 11.Nc3 a6 12.d4 Ba7 13.Nb1 Ne4 14.Nbd2 +=.

10.d4 Bd6 11.Nbd2 Qe7 12.c4 dc4 13.Nc4 Bb4 14.Ncd2 -/+.

10.e3 d4 11.h3 Bh5 12.ed4 Nd4 13.Bd4 Re1 14.Qe1 =+.

10.e3 Qd6 11.Nc3 a6 12.h3 Bh5 13.Rb1 Rab8 14.d3 =.

10.e3 Qe7 11.h3 Be6 12.d3 Bb4 13.Nbd2 Rab8 14.a3 =.

10.h3 Bf3 11.Bf3 Qe7 12.Nc3 Rad8 13.Nb5 Ne4 14.e3 +=.

9.h3 Be6

10.a3 Be7 (10...Bc5 11.e3 d4 12.Re1 Qd6 13.ed4 Nd4 14.Bd4+=) 11.e3 Qd7 12.g4 h5 13.g5 Ne4 14.h4 +=.

10.Nc3 a6 11.e3 Qd7 12.Ne2 Bh3 13.Bf6 gf6 14.Bh3 +=.

10.Nc3 Qd7 11.Nb5 Ne4 12.d3 Nd6 13.Nd6 Qd6 =.

10.Nc3 Qd7 11.Ng5 Bf5 12.Nd5 Nd5 13.e4 Be7 14.ed5 -/+.

10.Nc3 Qd7 11.Kh2 d4 (11...h6 12.Nb5-/+) 12.Nb5+= Bc5 13.d3 (13.c3!? dc3 14.Nc3+=) 13...a6-/+ 14.Na3 Rad8 (14...Bd5 15.Nc4-/+) 15.Re1 (15.Nb1 Qe7-/+) 15...Qd6 (15...Bb4 16.Nd2-+) 16.Nb1-/+ Bd5 (16...Bb4 17.Nbd2-/+) 17.Nbd2 Rd7 (17...Bb4 18.a3 Ba5 19.Nh4-/+) 18.Nf1 (18.Nb3 Bb4 19.Rg1 Ba3 20.Ba3 Qa3-/+) 18...Rde7 19.Nh4 Bg2 20.Ng2 (20.Kg2 Qd5 21.Nf3 b5-/+) 20...Bb4 21.Nd2 Ng4! 22.hg4 (22.Kg1 Qh6 23.hg4 Bd2-/+ (23...Qd2?! 24.e4+=)) 22...Qh6 23.Kg1 Bd2 (23...Qd2?! 24.e4+=) 24.Ba3?? (better is 24.Bc1 Bc1 25.Rc1-+) 24...Be1-+ 25.Be7 Bc3 26.g5 Qe6 27.Rb1 Ne7 28.e4 de3 29.Ne3 b5 30.Qh5 Qa2 31.Rf1 b4 32.Ng4 Qc2 33.Kg2 Qd3 34.Rh1 Qe4 35.f3 Qe2 36.Nf2 Nd5 37.Qh7 Kf8 38.Rh4 Ne3 0–1. brunosergiom – fastgameeddie (2355), chessworld.net, 2003.

10.Nc3 Ne4 11.Nb5 Bc5 12.e3 a6 13.Nbd4 Bd4 14.Nd4 =.

10.d3 a6 (10...Qe7 11.e3 Rad8 12.Nc3 a6 13.Rb1 b6 14.Ne2=; 10...Bc5 11.Ng5 Bc8 12.e3 h6 13.Nf3 d4 14.ed4+=; 10...a5 11.e3 a4 12.a3 Bc5 13.Ng5 Bd7 14.Nd2+=; 10...Bd6 11.Nbd2 Qe7 12.Re1 Ba3 13.Qb1 Bb2 14.Qb2=; 10...Rc8 11.e3 Qe7 12.a3 Bd6 13.Nbd2 Rcd8 14.Qb1=; 10...Be7 11.e3 Qd7 12.g4 Qd8 13.Nbd2 Bd6 14.c4=; 10...Rb8 11.e3 a6 12.Nbd2 Qe7 13.a3 Bd6 14.c4=; 10...Bf5 11.e3 Qe7 12.Nc3 a6 13.Rb1 b6 14.Ne2=; 10...h6 11.e3 Qe7 12.a3 Bd6 13.Nbd2 Rad8 14.Qb1=) 11.Nbd2 Qe7 12.Rb1 b6 13.e3 Rad8 14.Ng5 +=.

10.Nd4 Nd4 11.Bd4 Qe7 12.a3 Bd6 13.Nc3 c6 14.a4 +=.

10.e3 Rb8 (10...Bc5 11.Nc3 Qe7 12.Nb5 Ne4 13.d3 Nf2 14.Rf2=; 10...a6 11.Nc3 Qd7 12.Ne2 Bh3 13.Bf6 gf6 14.Rb1+=; 10...Qe7 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bf5 14.f4+=) 11.Nd4 Nd4 12.Bd4 b6 13.Qf3 Ne4 14.Qd1 +=.

9.h3 Bf5

10.a3 Bd6 (10...Be7 11.d3 Qd7 12.g4 Be6 13.e3 Qd6 14.Nc3+=; 10...Bc5 11.d3 Qd6 12.g4 Bg6 13.Nh4 Ne7 14.Nd2+=; 10...Bf8 11.d3 Bc5 12.Nbd2 d4 13.c3 dc3 14.Bc3=) 11.e3 Qe7 12.d3 Rad8 13.Nc3 a6 14.Re1 +=.

10.a4 Qd6 (10...Bc5 11.d3 Qd6 12.g4 Bg6 13.Nh4 Ne7 14.e3+=; 10...Rb8 11.e3 Qd6 12.Na3 a6 13.d3 Rbd8 14.g4+=; 10...a6 11.e3 Qd6 12.d3 Rad8 13.Nbd2 Qe7 14.Rb1+=; 10...d4 11.c3 dc3 12.Nc3 Qd7 13.g4 Be6 14.Ng5+=; 10...Rc8 11.d3 Be6 12.e3 Qe7 13.c3 Bd6 14.Ba3+=; 10...Qe7 11.e3 Qe6 12.Nh4 Bh3 13.Bh3 Qh3 14.Bf6+=) 11.Na3 a6 12.d3 Rad8 13.e3 Bc5 14.Nh4 +=.

10.Nc3 Qd7 11.Nb5 a6 +=.

10.Nc3 Qd7 11.g4 Be6 12.Nb5 Ne4 13.a3 Bc5 14.d3 +=.

10.d3 Bc5 11.Nbd2 d4 12.Nb3 Bb6 13.c4 dc3 14.Bc3 +=.

10.d3 d4 11.c3 dc3 12.Nc3 Qd7 13.Kh2 Rad8 14.Rb1 +=.

10.d3 Qd6 11.Nbd2 Qe6 12.e3 Nd7 13.g4 Bg6 14.a3 +=.

10.d3 Bd6 11.Nbd2 Qe7 12.Re1 Ne5 13.Rb1 Nf3 14.Nf3 =.

10.d3 Be6 11.e3 Qe7 12.Nbd2 Ba3 13.Ba3 Qa3 14.Rb1 =.

10.d3 Be7 11.e3 Qd6 12.g4 Bc8 13.Nc3 Be6 14.Nb5 =.

10.d3 h6 11.Nh4 Be6 12.Nd2 +=.

10.Nd4 Nd4 11.Bd4 c5 12.Bb2 Qb6 13.d3 Ba5 14.Bc3 +=.

10.e3 Be7 (10...Qd6 11.a3 Bc5 12.Nc3 a6 13.g4 Bd7 14.d3+=; 10...Qe7 11.d3 Rad8 12.Nbd2 a6 13.Re1 Bd7 14.a3=; 10...Bc5 11.Re1 Qd6 12.Nc3 a6 13.Rb1 Rad8 14.Na4+=; 10...Bd6 11.d3 Qe7 12.Nc3 a6 13.Rb1 Rad8 14.Ne2+=) 11.g4 Be6 12.Nc3 Qd6 13.d3 a6 14.Rb1+=.

9.h3 Bh5 A) 10.a3 Bd6 (10...Ba5 11.g4 Bg6 12.Nh4 Qd6 13.Ng6 fg6 14.e3=; 10...Bc5 11.d4 Bd6 12.Nbd2 Qe7 13.Re1 Qd7 14.g4+=) 11.Nc3 Bf3 12.Bf3 d4 13.Nd5 Ne5 14.e3+=; B) 10.e3 Bd6 (10...Bc5 11.g4 Bg6 12.Nh4 Qd6 13.Ng6 fg6 14.d4=; 10...Qd6 11.a3 Bc5 12.Nc3 a6 13.g4 Bg6 14.Na4=; 10...Qe7 11.g4 Bg6 12.Nh4 Ne5 13.Be5 Qe5 14.c3=) 11.g4 Bg6 12.Nh4 Ne5 13.d3 Qe7 14.Nd2+=.

10.d3 Qe7

11.e3+= a6 12.Nbd2 b6 (12...h6 13.Nb3+=) 13.a3= Bd6 (13...Bc5!?=) 14.e4+= Bd7 (14...de4 15.de4 Be4 16.Re1 Bf3 17.Qf3+- (17.Bf3?! Qd7=)) 15.ed5 (15.Bf6 Qf6 16.ed5 Ne5+=) 15...Nd5 16.c4 (16.Ne4 f5 17.Neg5 Ne3 18.fe3 h6+=) 16...Nf6 17.Re1 Qd8 (17...Qf8 18.Ne4 Ne4 19.de4=) 18.Re8 (18.Qc2 Bf5+=).

11.e3 Rad8 12.Nbd2 a6 13.Re1 Rd7 14.a3 =.

11.e3 Rad8 12.Nbd2+= Bg6 13.a3= Bd6 14.Nh4 Bh5?? (better is 14...Qe6=) 15.Bf6+- Bd1 16.Be7 Be7 17.Rad1 Bh4 (17...Ba3 18.c4 d4 19.Be4+-) 18.gh4 Ne7 19.Rfe1 c6 20.e4 Ng6 (20...de4 21.Ne4 Kf8 22.Rb1+-) 21.ed5 Re1 22.Re1 cd5 23.h5 Nf4 24.Re7 Ng2 (24...a5 25.Rb7 h6 26.Nb3+-) 25.Kg2 Kf8 (25...Rb8 26.Nf3+-) 26.Rb7 a6 27.Rc7 Rd6 28.Nf3 f6 (28...Rh6 29.Ra7+-) 29.Nd4 1–0. caballos (1910) – jeich (1730), gameknot.com, 2013.

11.e3 Rad8 12.Nbd2+= h6 13.Nb3 +=.

11.e3 h6 12.a3 Bc5 13.Nbd2 +=.

11.e3+= h6 12.Nc3 +=.

9.h3 Bh5

10.a3 Ba5 11.g4 Bg6 12.Nh4 Qd6 13.Ng6 fg6 14.e3 =.

10.a3 Bc5 11.d4 Bd6 12.Nbd2 Qe7 13.Re1 Qd7 14.g4 +=.

10.a3 Bd6 11.Nc3 a6 12.g4 Bg6 13.e3 Ne5 14.Ne5 Be5 15.f4 Bd6 16.f5 d4 17.ed4 h5 18.g5 Bf5 19.Rf5 1–0. manding_1959 (1780) – rosaxl (1800), gameknot.com, 2010.

10.a3 Bd6 11.Nc3 Bf3 12.Bf3 d4 13.Nd5 Ne5 14.e3 +=.

10.d3 Qe7 11.c3? (better is 11.a3 Bc5 12.e3+=) 11...Qe2-+ 12.Qe2 Re2 13.Bc1 Bd6 14.Bg5 (14.Nh4 Rae8-+) 14...Nd7 (14...Rc2 15.Re1-+) 15.a4 (15.Nd4 Nd4 16.cd4 c6-+) 15...h6 16.Bc1 (16.Be3 Bg6-+) 16...Nc5 17.Ba3 Nb3 (17...Nd3?! 18.Bd6 cd6 19.Nd4-+) 18.Bd6 Na1 19.Bc7 Rae8 20.Nbd2 (20.g4 Bg6 21.Nbd2 Nc2-+) 20...Bf3 21.Nf3 Nc2 (21...Nb3!? 22.Bf4 Rc2 23.Ne1 Rc3 24.Bd5-+) 22.d4 Ne1 (better is 22...Rc8 23.Bd6 Rd8-+) 23.Ne1+= Re1 24.Bd5 Rf1 25.Kf1 Re7 26.Bd6 (better is 26.Bf4!?=) 26...Rd7-/+ 27.Bc6 bc6 28.Bc5 f5 29.Ke2 Kf7 30.Kd3 Ke6 31.Kc4 Rb7 32.Bb4 g5 33.Kc5 Rc7 34.a5 Rc8 35.c4 Kd7 36.Bd2 Rb8 37.Bb4 (37.d5 cd5 38.Kd5 a6-/+) 37...Rb7 (37...g4 38.h4-/+) 38.h4 gh4 39.gh4 h5 40.Bd2 (better is 40.d5!? cd5 41.cd5-/+) 40...Rb3-+ 41.Be3 Ra3 42.Kb4 Ra2 43.d5 (better is 43.f3-+) 43...cd5 44.Ba7 dc4 45.Bb6 (45.Bd4 c3 46.Kc3 Ra5-+) 45...Kc6 46.Kc4 (46.Bd4 Kd5 47.Be3 Ra1-+) 46...Ra4 47.Kd3 Rh4 0–1. Kuznetsov,Petr – Zenkov,Gennadiy, Championship Kemerovo, 2010.

10.e3 Bd6 (10...Bc5 11.g4 Bg6 12.Nh4 Qd6 13.Ng6 fg6 14.d4=; 10...Qd6 11.a3 Bc5 12.Nc3 a6 13.g4 Bg6 14.Na4=; 10...Qe7 11.g4 Bg6 12.Nh4 Ne5 13.Be5 Qe5 14.c3=) 11.g4 Bg6 12.Nh4 Ne5 13.d3 Qe7 14.Nd2+=.

7.Bg2 Bf5

8.0-0 Bc5 9.d3 d4 (9...Re8 10.Nbd2=+) 10.Nbd2 (10.c3 Rb8=) 10...Qd7 (10...Re8 11.Nb3 Bb6 12.Qd2=+) 11.Re1 (11.Nb3 Bb6=) 11...Rfe8 12.c3 (better 12.Nb3 Bb6 13.c3 dc3 14.Bc3=+) 12...Rad8 (better 12...dc3!? 13.Bc3 Ng4=+; better 12...dc3!? 13.Bc3 Ng4=+) 13.Nb3+= Bb6 14.Nfd4 Nd4 15.Nd4 (15.cd4 c6+=) 15...Bd4 (15...Bh3 16.Bh1= (worse 16.Bb7 Bd4 17.cd4 Rb8-/+)) 16.cd4+= c6 (16...Bh3 17.Bf3+= (worse 17.Bb7 Rb8-/+)) 17.Rc1 (17.Qa4 Ra8+=) 17...Bh3+= 18.Bh1 (18.e4 Bg2 19.Kg2 Re6+-) 18...Ng4 (18...Bg4 19.Qc2+=) 19.e4+- Qe6 (better 19...Qd6 20.Bf3 Nh6 21.Qa4+-) 20.Qf3 (20.Qa4 a6+-) 20...Rd6 (20...Qa2 21.Bc3 Re6 22.Re2=) 21.Bg2 Qh6 22.Bh3 Qh3 23.Qg2 Qh5 24.h3 Nf6 25.e5 (better 25.d5!? cd5 26.Bf6 Rf6 27.ed5 Re1 28.Re1+-) 25...Rde6= 26.Re3 Nd7?? (better 26...Nd5 27.Re4 Rd8=) 27.d5+- cd5 28.Qd5 Ne5?? (better 28...Nb6 29.Qb7 Qh3+-) 29.Be5 Re5 (29...h6 30.Rc7 b6+-) 30.Re5 (30.Re5 Qe5 31.Qe5+-) 1–0. Kalbani,Wadema – Petauer,Zala, Wch U12 girls, 2012.

8.0-0 Qd6 9.c3 Ba5 (9...Bb1!? 10.Rb1 Bc5=) 10.Ba3+- Qe6 11.Bf8 Rf8 12.d3 Re8 13.Re1 d4 14.Qc2 dc3 (14...Nd5!? 15.Ng5 Qd7+=) 15.Nc3+- Nd5? (better 15...Bb6 16.Rf1 Qd7+-) 16.Nd5+- Be1 (16...Qd5 17.e4 Qd7 18.ef5 Be1 19.Re1 Re1 20.Ne1 Nd4+-) 17.Re1?? (better 17.Ne1 Qe2 18.Qe2 Re2 19.Nc7+-) 17...Qd5+= 18.e4 (18.Rb1!? Bc8 19.Nh4+=) 18...Qa5= 19.Rb1 Bc8 20.Rb2 (20.d4 Rd8 21.d5 Ne7+=) 20...h5 (20...Rd8 21.Rb3=) 21.Qc4 (21.d4 Qa3+=) 21...Ne5 22.Ne5 Re5 23.d4 Re6 (23...Qe1 24.Qf1 Qc3 25.Rb7 Bb7 26.de5 Qe5 27.Qb1=) 24.Qe2 Rc6 25.h4 Bg4 26.f3 Bc8 27.Rb5 (27.Qd2 Qa4+=) 27...Qa6 (27...Qa4 28.Rd5 (28.Rh5? Rc1 29.Kh2 Qd4-+) 28...Rc2 29.Qb5 Qb5 30.Rb5=) 28.Qb2 Rg6 (28...Qa4 29.Rb3= (worse 29.Rh5 Rc2 30.Qb5 Qd4 31.Kh2 c6-/+)) 29.Kh2+= Qd6 30.f4 Rh6 31.Bh3 (31.Rd5!? Qe7 32.Qb5+=) 31...Bh3= 32.Kh3 Qe6 33.Kh2 Qe4 34.Rb7 Rc6 35.Rc7 Rc7 36.Qb8 Kh7 37.Qc7 Qe2 38.Kg1 Qe1 39.Kg2 Qe2 40.Kg1 Qa2 41.Qe5 Qb1 42.Kf2 Qc2 43.Kf1 Qd1 44.Kf2 Qd2 45.Kf1 Qd3 46.Kf2 Qd2 47.Kf1 Qd1 ½–½. Ramanauskaite,Giedre (1870) – Plutaite,Ausra, Lietuvos Moteru Sachmatu Cempionatas, 2019.

8.0-0 Qd7 9.d3 Rae8 (9...Qe6!?+=) 10.Bf6= gf6 11.e3 (11.c3 Ba5=) 11...Bg4 (11...d4 12.Qc1=) 12.d4 Qf5 (12...Na5 13.a3 Bd6 14.Nbd2+=) 13.c3 Ba5 14.Nh4 Bd1 15.Nf5 Bc2 16.Nh4 Ne7 17.Rc1 Bd3 18.Nd2 c6 19.Bf1 Bg6 20.Ng6 ½–½. Ramanauskaite,Giedre (1900) – Kartanaite,Marija (1780), Lietuvos Moteru Sachmatu Cempionatas, 2016.

8.0-0 Re8

9.a3 Bc5 10.d3 d4 11.Nbd2 Nd5 (better is 11...Qd6!?+=) 12.Nb3+= b6 (12...Qd6 13.Nfd4 Nd4 14.Nd4+/–) 13.Nfd4+/– (worse is 13.Bd4 Nd4 14.Nfd4 Nc3 15.Nf5 Nd1 16.Rad1 Rb8 17.Nc5 bc5-+; 13.Nbd4?! Nd4 14.Nd4 Bg4+/–) 13...Nd4 14.Nd4 (worse is 14.Bd4 Bd4 15.Bd5 Ba1-/+) 14...Bd4 15.Bd4 c5 16.Bb2 Bg4 17.Re1 b5 18.h3 Bh5 19.c4 bc4 20.dc4 Nb6 (20...Rb8!?+/–) 21.Ba8+- Qa8 22.g4 Bg6 23.Rc1 (23.Qb3 Qe4+-) 23...Rd8 (23...Qe4 24.Qb3+-) 24.Qb3 Qe4 25.Qc3 f6 26.g5 Rd6 27.gf6 Rf6 28.Qe5 Qh4 (28...Qe5 29.Be5 Re6 30.Bf4+-) 29.Qc5 Rf5 (29...Rf4 30.Qe3 h6 31.Qg3 Qg3 32.fg3 Rc4 33.Red1+-) 30.Qd4 Rg5 31.Kh2 Be4 32.Rg1 Qf4 33.Rg3 Rg6 (33...Kf7 34.c5 Nd5 35.Rcg1 Rg3 36.fg3+-) 34.Qe3 (better is 34.Rcg1 h5 35.Bc1 Qf7 36.Qe4 Rg3 37.Rg3 h4+-) 34...Rg3 35.Qg3 (35.Qf4?! Rg2 36.Kh1 Rg4 37.Qe4 Re4+-) 35...Qf5 (35...Qf8+-) 36.Qg7 1–0. Brazhnikov,Vladimir – Izmestiev,Alexey, Novokuznetsk Winter Open, 2010.

9.c3 Ba5 A) 10.Re1 A1) 10...Qd6 11.d3 (11.Ba3 Qe6 12.d3 d4 13.Bb2 Nd5 14.Ng5 Qe5+=; 11.Qb3 Bb6 12.d3 Ng4 13.d4 Na5 14.Qa3 c5+=) 11...Bb6 12.e3 Bc5 13.Qe2 Qe7 14.Nbd2 Rad8+=; A2) 10...Qe7 11.Ba3 (11.d3 Bb6 12.Qd2 Bg4 13.e3 Qe6 14.Na3 Bf3+=; 11.Qa4 Bb6 12.d4 Qd7 13.c4 dc4 14.Qc4 Be6+=; 11.Qb3 Bb6 12.Ba3 Qe6 13.d4 Na5 14.Qa4 Nc4-/+) 11...Qe6 12.d3 d4 13.Bb2 Nd5 14.Ng5 Qe5+=; A3) 10...Qd7 11.c4 (11.a3 Bb6 12.d3 Ng4 13.Nd4 Nd4 14.cd4 Nf6+=; 11.d3 Bb6 12.Nbd2 Qe7 13.e4 de4 14.de4 Be6+=; 11.Qb3 Bb6 12.d3 Ng4 13.Nd4 Bd3 14.Qd5 Qd5+=; 11.a4 Bh3 12.Bh3 Qh3 13.c4 Qf5 14.Qb3 Bb6+=) 11...dc4 12.Na3 c3 13.Bc3 Bc3 14.dc3 Rad8+=; A4) 10...Rb8 11.Qa4 (11.d3 Qd6 12.Ba3 Qe6 13.Bc5 Bg4 14.a3 Nd7+=) 11...Bb6 12.Qf4 Qd7 13.d3 Ng4 14.d4 Re4+=; A5) 10...Ng4 11.Na3 (11.h3 Nge5 12.Nd4 Nd4 13.cd4 Nc6 14.Qb3 Bb6+=; 11.Ba3 Qd7 12.Bc5 Nge5 13.Nd4 Nd4 14.Bd4 b6+=; 11.d4 Rb8 12.Nbd2 Nf6 13.Qc1 Qd6 14.Ng5 h6+=; 11.a3 Qd7 12.d3 Bb6 13.Nd4 Nd4 14.cd4 Nf6+=) 11...Rb8 12.c4 Be4 13.Qb3 Bb6 14.e3 Ba5=; A6) 10...Bb6 11.d4 (11.d3 Qe7 12.Qd2 Rad8 13.Qf4 Bg4 14.Na3 Bf3+=) 11...Ne4 12.Nbd2 Qf6 13.c4 Rad8 14.cd5 Rd5+=; B) 10.Ba3 B1) 10...Bb6 11.d3 Qd7 12.e3 Na5 13.Nh4 Bh3 14.Nd2 Bg2+=; B2) 10...a6 11.Re1 (11.d3 Qd7 12.e3 Bh3 13.Qc2 Ne5 14.Ne5 Re5+=; 11.Bc5 b6 12.Be3 Qe7 13.Re1 Ne4 14.Qb3 Be6+=) 11...Ne4 12.Qc1 Bb6 13.d4 Ba5 14.Nfd2 Qf6+=; B3) 10...Rc8 11.Bc5 (11.Re1 Ne4 12.Nh4 Be6 13.Nf3 Qf6 14.Rf1 Ne7-/+; 11.d3 d4 12.cd4 Nd4 13.Nd4 Qd4 14.Nd2 Bg4-/+; 11.Nh4 Bg4 12.Nf3 Bb6 13.h3 Bf3 14.Bf3 Ne5-/+) 11...b6 12.Be3 a6 13.d3 Qe7 14.Re1 Bg4+=; B4) 10...Ne5 11.Nd4 (11.Ne5 Re5 12.Qa4 c6 13.Qf4 Bc7 14.d4 Nh5+=) 11...Qd7 12.Qb3 Bb1 13.Qb1 Bb6 14.d3 Qg4+=; B5) 10...Qd7 11.d3 Bh3 12.e3 Ne5 13.Ne5 Re5 14.Bc5 Bg2-/+; B6) 10...Qc8 11.d3 Bh3 12.Bc5 Bg2 13.Kg2 b6 14.Be3 Qe6+=; B7) 10...d4 11.Re1 d3 12.ed3 Qd3 13.Re3 Re3 14.fe3 Rd8-/+; C) 10.d3 C1) 10...Bb6 11.e3 (11.Qd2 Qe7 12.e3 Rad8 13.Rc1 Bc5 14.Qc2 a6+=; 11.Qc2 Qe7 12.e3 Rad8 13.Re1 Na5 14.Nh4 Be6+=; 11.Re1 Qe7 12.Qd2 Rad8 13.Qf4 Bg4 14.e3 Bf3+=; 11.Ba3 Qd7 12.e3 Na5 13.Re1 c5 14.d4 cd4-/+; 11.Nbd2 Qe7 12.c4 Qe2 13.Bf6 Qd1 14.Rad1 gf6-/+; 11.h3 Qe7 12.e3 Rad8 13.Ba3 Qe6 14.g4 Bg6+=) 11...Qd6 12.Na3 Rad8 13.Rb1 a6 14.Nc2 Qe6+=; C2) 10...Qd6 11.Na3 (11.Qc2 Ne5 12.Ne5 Qe5 13.e3 Qd6 14.Nd2 c5+=; 11.Re1 Bb6 12.e3 Rad8 13.Qc2 Na5 14.Nbd2 Nc4+=; 11.e3 Ne5 12.Ne5 Qe5 13.Qc2 Qd6 14.Nd2 c5+=; 11.Nbd2 Rad8 12.Nb3 Bb6 13.a4 a5 14.Ba3 Qe6+=; 11.Ba3 Qe6 12.e3 Nd7 13.Nh4 Bh3 14.Bh3 Qh3+=; 11.a3 Bb6 12.Nbd2 Re7 13.Nb3 Rae8 14.e3 Ne5+=) 11...Qe7 12.c4 Qe2 13.Qe2 Re2 14.Bf6 dc4=; C3) 10...Qd7 11.Nbd2 (11.Re1 Bb6 12.Nbd2 Qe7 13.d4 Rad8 14.c4 dc4+=; 11.e3 Rad8 12.Na3 Ng4 13.d4 Be4 14.Qb3 Bb6+=; 11.Qc2 Bh3 12.e3 Bg2 13.Kg2 Qe6 14.Nbd2 Rad8+=; 11.a3 Rad8 12.Re1 Bh3 13.Nbd2 Bg2 14.Kg2 Qf5+=; 11.Na3 Qe6 12.c4 Qe2 13.Qe2 Re2 14.Bf6 dc4=; 11.Bc1 Rad8 12.Be3 Bh3 13.Qb3 Bg2 14.Kg2 Ng4+=) 11...Bb6 12.c4 d4 13.Nb3 Qd6 14.Qc1 Nd7=; C4) 10...Bg4 11.Re1 (11.Nbd2 Bb6 12.e3 Qd6 13.Qc2 Rad8 14.Rab1 Bf5+=; 11.Qc2 Qd7 12.a3 Qf5 13.Bc1 Bb6 14.Bf4 d4-/+; 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Nd2 Qd6=) 11...Bf3 12.Bf3 Ne5 13.Bg2 Nfg4 14.Bc1 Qd7=; C5) 10...Qe7 11.e3 (11.Re1 Bb6 12.Qd2 Ng4 13.Nd4 Qf6 14.Qf4 Nd4+=) 11...Ne5 12.Ne5 Qe5 13.Qc2 Qd6 14.Nd2 c5+=.

9.c3 Bc5 10.Ba3 A) 10...Bb6 11.d3 Qd7 12.e3 Bh3 13.Nbd2 Bg2 14.Kg2 Qf5+=; B) 10...Qe7 11.Bc5 (11.Qb3 Ba3 12.Na3 Rab8 13.Rfe1 Be6 14.Rab1 Ne4+=) 11...Qc5 12.Re1 Rad8 13.d4 Qc4 14.Bf1 Qb5=; C) 10...Qd6 11.Bc5 Qc5 12.Re1 Ne4 13.d4 Qd6 14.Nh4 Bd7+=; D) 10...Be7 11.Re1 (11.d3 Bg4 12.Qb3 Ba3 13.Na3 Re2 14.Rfe1 Re1-/+; 11.Be7 Qe7 12.Re1 Ne5 13.Ne5 Qe5 14.d4 Qe6+=; 11.e3 Bd3 12.Re1 Na5 13.Be7 Qe7 14.Bf1 Bf1+=) 11...Be4 12.Be7 Re7 13.d4 Qd6 14.Nbd2 Rae8+=; E) 10...Bd6 11.d3 (11.Bd6 Qd6 12.d3 Re7 13.Re1 Rae8 14.Nbd2 Ne5+=; 11.Re1 Be4 12.Bd6 Qd6 13.d3 Bf3 14.Bf3 Ne5+=; 11.d4 a5 12.e3 a4 13.Bd6 Qd6 14.Qe2 Ra5+=) 11...Bg4 12.Bd6 Qd6 13.Nbd2 Qa3 14.c4 d4+=; F) 10...Ne4 11.Bc5 (11.e3 Ba3 12.Na3 Bg4 13.h3 Bf3 14.Bf3 Ne5+=) 11...Nc5 12.d4 Ne4 13.e3 Na5 14.Nfd2 Nf6+=; G) 10...Ba3 11.Na3 Qe7 12.Qb3 Rab8 13.Nb5 a6 14.Nbd4 Nd4-/+.

9.c3 Bc5 10.d4 Bb6 (10...Bd6 11.Re1 (11.Ba3 a5 12.Bd6 Qd6 13.Nbd2 a4 14.c4 Qe7+=; 11.Nbd2 Na5 12.c4 Nc4 13.Nc4 dc4 14.Ne5 Be5-/+) 11...Qe7 12.Nbd2 Rab8 13.c4 Qe6 14.cd5 Qd5=; 10...Bf8 11.Ba3 (11.Nbd2 Na5 12.Ne5 c5 13.c4 Qb6 14.Nb3 Nc4-/+; 11.e3 Ne4 12.Nbd2 Na5 13.Qc1 c5 14.Ba3 Rc8+=; 11.Bc1 Ne4 12.Bf4 g5 13.Bc1 Bg7 14.Qb3 Na5+=; 11.Re1 Ne4 12.Nbd2 Be7 13.Ne4 Be4 14.Qa4 Rb8+=) 11...Ba3 12.Na3 Qd6 13.Nc2 Be4 14.Ne3 Rab8+=; 10...Be7 11.Nbd2 (11.Ba3 Qd7 12.e3 Bh3 13.Be7 Bg2 14.Kg2 Re7+=; 11.Re1 Ne4 12.Nbd2 Na5 13.Ne4 Be4 14.Nd2 Bg2+=; 11.e3 Ne4 12.Nfd2 Ng5 13.Ba3 Bf6 14.Qb3 Bd3+=) 11...Na5 12.Ne5 Bd6 13.c4 c5 14.cd5 cd4+=) 11.Nbd2 (11.Re1 Ne4 12.Nbd2 Qf6 13.c4 Rad8 14.cd5 Rd5+=; 11.Bc1 Qe7 12.Re1 Ne4 13.Bf4 Qf6 14.a3 Ne7+=; 11.e3 Qd7 12.Qe2 Bh3 13.Bh3 Qh3 14.c4 dc4+=) 11...Qe7 12.Re1 Rad8 13.a4 (13.c4 dc4 14.Nc4 Bc5+=) 13...a6 (13...Ne4 14.Nh4 Bd7+=) 14.e3 (14.c4 Be4+=) 14...Bg4 15.Qc2 Ne4 16.Ne4 (16.Ba3 Qe6=) 16...Qe4 (16...de4 17.Ba3 Qf6 18.Nd2+=) 17.Qe4= de4 18.Nd2 f5 19.Ba3 (19.h3 Bh5=) 19...Ne5 20.Reb1 Be2 21.Bf1 Bf1 22.Kf1 Nf3 (22...Rd7 23.Ke2 Red8 24.c4=) 23.Nf3+= ef3 24.Ra2 (24.c4 Rb8+=) 24...Ba5 (24...g5 25.Rab2=) 25.Rc2 b6 (25...Rb8 26.Bb4 Bb4 27.cb4+=) 26.Bb4+/– Bb4 27.cb4 (27.Rb4?! g5=) 27...Rd7 28.Rbc1 Ree7 29.h4 Kf7 30.Rc6 Ke8 31.a5 Kf7 32.ab6 cb6 33.Rb6 Rb7 34.Ra6 Rb4 35.Ra2 Reb7 36.Ke1 Ke6 37.Kd2 Rb2 38.Rb2 Rb2 39.Rc2 Rc2? (better is 39...Rb1+/–) 40.Kc2+- (40.Kc2 Kd5 41.Kd3+-) 1–0. Kilpatrick,Robert – Reyes,ME, corr 3GMMsemi–04, 2000.

9.c3 Bd6 A) 10.Ba3 A1) 10...Be4 11.Bd6 (11.d4 Na5 12.Bd6 Qd6 13.Nbd2 b6 14.Qa4 c5+=) 11...Qd6 12.d3 Bf3 13.Bf3 Rab8 14.Nd2 Ne5+=; A2) 10...Bg4 11.Re1 (11.Bd6 Qd6 12.d4 Ne4 13.Re1 Bf3 14.Bf3 Na5+=) 11...Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d4 Nc4+=; A3) 10...Rb8 11.Re1 (11.Bd6 Qd6 12.d3 Bg4 13.Re1 Ne5 14.Nbd2 b5+=; 11.d3 Bg4 12.Re1 Ba3 13.Na3 Bf3 14.Bf3 Qe7+=) 11...Be4 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 b5+=; A4) 10...a6 11.Re1 (11.Bd6 Qd6 12.Re1 Ne5 13.d3 Nf3 14.Bf3 Rad8+=; 11.d4 Ba3 12.Na3 Qe7 13.Qb3 Na5 14.Qa4 b6+=; 11.d3 Ba3 12.Na3 Qe7 13.Nc2 Qe2 14.Qe2 Re2+=) 11...Be4 12.Bd6 Qd6 13.d4 Na5 14.Nbd2 b6+=; A5) 10...Ba3 11.Na3 Qe7 12.Qb3 Rab8 13.Nb5 a6 14.Nbd4 Nd4-/+; B) 10.d3 B1) 10...Rb8 11.Nbd2 (11.Re1 b5 12.a4 b4 13.Nbd2 Qe7 14.e4 de4+=) 11...Qe7 12.Re1 Bc5 13.d4 Ba3 14.Ba3 Qa3=; B2) 10...Qe7 11.Re1 Bc5 12.Qc1 Qe6 13.Ba3 Bb6 14.d4 Ne4+=; C) 10.a3 C1) 10...Qe7 11.Re1 Ne5 12.d3 Nf3 13.Bf3 c6 14.Nd2 Rad8+=; C2) 10...a6 11.Re1 (11.d3 b5 12.Nbd2 Rb8 13.a4 Qe7 14.Re1 Bc5+=) 11...Bc5 12.d3 Qe7 13.Qd2 Ng4 14.e3 Nf6+=; C3) 10...Qd7 11.d3 (11.Re1 Ne5 12.c4 Nc4 13.Bf6 gf6 14.d3 Nb6-/+) 11...Qe7 12.Re1 Bc5 13.Bc1 Nd8 14.Qc2 c6+=; C4) 10...Bg4 11.Re1 (11.h3 Bf5 12.d3 Qd7 13.g4 Be6 14.Nbd2 h5+=; 11.d3 Qe7 12.Re1 Ne5 13.Nbd2 Nf3 14.Nf3 c6+=; 11.d4 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 dc4+=) 11...Qe7 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 Neg4+=; C5) 10...b5 11.d3 (11.Re1 Ne5 12.Ne5 Be5 13.Qb3 c6 14.d4 Bd6-/+; 11.Bc1 Rb8 12.d3 Qe7 13.Re1 a5 14.Bg5 h6-/+) 11...Rb8 12.Nbd2 Qe7 13.Re1 a5 14.Qc2 a4+=; C6) 10...Ne5 11.d3 (11.Ne5 Be5 12.d4 Bd6 13.c4 dc4 14.Nd2 Bg4+=) 11...c6 12.Nbd2 Qe7 13.Nd4 Bg4 14.Re1 Bc5+=; C7) 10...Rb8 11.d3 (11.Re1 Ne5 12.Ne5 Be5 13.d3 c5 14.Nd2 b5+=) 11...b5 12.Re1 Ne5 13.Ne5 Be5 14.Nd2 c5+=; D) 10.Re1 D1) 10...Qe7 11.d4 (11.Qa4 Be4 12.c4 Nb4 13.Bf6 Qf6 14.Nc3 Bc2-+; 11.d3 Bc5 12.Bc1 Nd8 13.Nd4 Bg4 14.Qb3 a5+=; 11.a4 Ne5 12.d3 Nf3 13.Bf3 Rad8 14.Nd2 c6+=; 11.Bc1 Ne5 12.Ne5 Qe5 13.d3 Qe6 14.Bg5 Ng4+=) 11...Na5 12.Nbd2 Qd7 13.Qc1 Qa4 14.Nh4 Bd7+=; D2) 10...Rb8 11.d3 (11.Ba3 Be4 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 b5+=) 11...Be6 12.Nbd2 Qe7 13.Qc2 Ne5 14.Ne5 Be5=; D3) 10...Na5 11.d3 c5 12.Na3 c4 13.Nb5 Bc5 14.Nbd4 Bg6+=; D4) 10...Bg4 11.d3 Ne5 12.Nbd2 c6 13.Ne5 Be5 14.Qb3 b5+=; D5) 10...Be4 11.d3 Bf3 12.Bf3 Rb8 13.Nd2 Ne5 14.Bg2 c6=; D6) 10...Qd7 11.Ba3 (11.d3 Bh3 12.Nbd2 Bg2 13.Kg2 Ne5 14.Ne5 Re5+=) 11...Be4 12.Bd6 Qd6 13.d3 Bf3 14.Bf3 Ne5+=.

9.c3 Be7 A) 10.Re1 A1) 10...Qc8 11.Ba3 (11.d3 Bh3 12.Nbd2 Bg2 13.Kg2 Qe6 14.Qb3 a5+=; 11.Bc1 Bh3 12.d3 Bg2 13.Kg2 Qe6 14.Qb3 Rab8+=; 11.Qa4 Bh3 12.c4 Bg2 13.Kg2 Qg4 14.d3 a6+=) 11...Bh3 12.Be7 Ne7 13.Bh1 c6 14.Qb3 Ng6+=; A2) 10...a6 11.d3 (11.Ba3 Be4 12.d3 Bf3 13.Bf3 b5 14.d4 Ba3+=; 11.a3 Qd7 12.d3 Bh3 13.Nbd2 Bg2 14.Kg2 Rad8+=) 11...Qd7 12.Nbd2 Bh3 13.Rb1 Bg2 14.Kg2 b5+=; A3) 10...Bg4 11.d3 (11.Na3 Qd7 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 Qf5+=; 11.a4 Qd7 12.d3 Rad8 13.Nbd2 Bh3 14.a5 Bg2+=; 11.a3 Na5 12.d3 c5 13.Nbd2 c4 14.h3 Bd7+=; 11.Qc2 Qd7 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 Qf5+=; 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d3 a6+=) 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Qb3 Rab8+=; A4) 10...Be4 11.d3 (11.Bc1 Qd6 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 c6+=; 11.a3 Bf3 12.Bf3 Ne5 13.Bg2 Qd6 14.d3 Qb6+=; 11.a4 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d3 Qb6+=; 11.Na3 Bc5 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 Nfg4+=; 11.h3 Qd7 12.d3 Bf3 13.ef3 Qf5 14.Qb3 Bc5-/+) 11...Bf3 12.Bf3 Qd6 13.Nd2 Rad8 14.c4 Ne5=; A5) 10...Qd7 11.d3 (11.Ba3 Bh3 12.Be7 Ne7 13.Bh3 Qh3 14.d3 Nc8+=; 11.a3 Bh3 12.d3 Bc5 13.e3 Bg2 14.Kg2 Ng4+=; 11.Bc1 Bh3 12.Bh3 Qh3 13.d3 Bd6 14.Qb3 Rab8+=) 11...Rad8 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 Bc5+=; B) 10.Ba3 B1) 10...Qd7 11.Re1 (11.d3 Bh3 12.Bh3 Qh3 13.Be7 Re7 14.Nbd2 Ne5+=; 11.Be7 Re7 12.d3 Rae8 13.e3 Ne5 14.Ne5 Re5+=; 11.d4 Bh3 12.Be7 Re7 13.Bh3 Qh3 14.Nbd2 Rae8+=) 11...Bh3 12.Bh1 Bg4 13.d4 Bf5 14.Be7 Re7+=; B2) 10...Bg4 11.Re1 (11.Bc1 Bd6 12.Re1 Qd7 13.d3 Qe6 14.Nbd2 Ne5+=; 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Re1 Qa5+=; 11.Be7 Qe7 12.e3 Ne5 13.d4 Bf3 14.Bf3 Nf3-/+; 11.e3 Ba3 12.Na3 Ne4 13.h3 Bf3 14.Bf3 Ne5+=) 11...Qd7 12.d4 Bh3 13.Be7 Re7 14.Nbd2 Bg2+=; B3) 10...Rb8 11.Re1 Bg4 12.Be7 Re7 13.d4 Qd7 14.Nbd2 Bh3+=; B4) 10...Ba3 11.Na3 Qe7 12.Qb3 Rab8 13.Nb5 a6 14.Nbd4 Nd4-/+; C) 10.Bc1 C1) 10...Bc5 11.d3 (11.d4 Bd6 12.Ba3 a5 13.e3 a4 14.Bd6 Qd6+=; 11.Ba3 Ba3 12.Na3 Qe7 13.Qb3 Rab8 14.Rfe1 Be6+=; 11.Re1 Ne4 12.d4 Be7 13.Nbd2 Nc3 14.Qb3 Bb4-/+) 11...Qe7 12.Re1 Rad8 13.Bf4 Ne4 14.Rf1 Nd6+=; C2) 10...Qd7 11.Re1 (11.d3 Rad8 12.Bf4 Nh5 13.Be3 Bh3 14.Bh3 Qh3+=) 11...Rad8 12.d3 Bh3 13.Bh3 Qh3 14.Bf4 Bd6+=; C3) 10...Bd6 11.d3 (11.Ba3 Rb8 12.Bd6 Qd6 13.d3 Bg4 14.Re1 Ne5+=; 11.Re1 Qe7 12.d3 Ne5 13.Ne5 Be5 14.Ba3 c5+=) 11...Qe7 12.Re1 Bg4 13.Nbd2 Ne5 14.Rb1 Rab8+=; D) 10.d3 D1) 10...Qd7 11.Nbd2 (11.Bc1 Rad8 12.Na3 Bg4 13.Rb1 Ba3 14.Ba3 b6+=; 11.Re1 Rad8 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 Bc5+=) 11...Bh3 12.Bh3 Qh3 13.Qb3 Rab8 14.c4 Qh5+=; D2) 10...Qc8 11.Nbd2 (11.Bc1 Bh3 12.Bh3 Qh3 13.Bf4 Qd7 14.Nbd2 Rab8+=; 11.Ba3 Bh3 12.Be7 Re7 13.Bh3 Qh3 14.Nbd2 Ne5+=; 11.Qb3 Qe6 12.Re1 Bc5 13.Bc1 Bb6 14.Bf4 Ng4+=; 11.e3 Bh3 12.Qb3 Bg2 13.Kg2 Qd7 14.Na3 Rad8+=; 11.Re1 Bh3 12.Nbd2 Bg2 13.Kg2 Rb8 14.Qb3 b5+=) 11...Bh3 12.c4 Bg2 13.Kg2 Qd7 14.Qb3 Rab8+=; D3) 10...Qd6 11.Nbd2 (11.Ba3 Qd7 12.Be7 Re7 13.Re1 Rae8 14.Nbd2 Ne5+=; 11.Re1 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Qb3 Rab8+=; 11.Qb3 Qe6 12.Re1 Bc5 13.Bc1 Bb6 14.Na3 Ng4+=; 11.Bc1 Qe6 12.Re1 Rad8 13.Qb3 b6 14.Qa4 Bc5+=; 11.Na3 Ne5 12.Nb5 Nf3 13.Bf3 Qd7 14.Qb3 c6+=; 11.Qc2 Qe6 12.Ng5 Qd7 13.Nd2 Rad8 14.Rab1 Ng4+=) 11...Be6 12.Rb1 a6 13.c4 Nd7 14.Qc2 Nb6=; D4) 10...Bd6 11.Nbd2 (11.Re1 Qe7 12.Qb3 Bc5 13.Bc1 b6 14.Qa4 Nd8+=; 11.Ba3 Bg4 12.Bd6 Qd6 13.Nbd2 Qa3 14.c4 d4+=; 11.Qd2 Qe7 12.Re1 Bg4 13.Qc2 Ne5 14.Ne5 Be5+=; 11.Qc2 Qd7 12.Re1 Bh3 13.c4 Bg2 14.Kg2 Nb4+=; 11.a3 Qe7 12.Re1 Bc5 13.Bc1 Nd8 14.Qc2 c6+=) 11...Qe7 12.Re1 Bc5 13.d4 Bd6 14.c4 Qe6=; D5) 10...Rb8 11.Qc2 (11.Re1 Qd7 12.Nbd2 Bh3 13.Bh1 Qf5 14.Rb1 Bc5+=; 11.Bc1 Bd6 12.Re1 Qe7 13.Qb3 Bd3 14.ed3 Qe1+=; 11.e3 Nd7 12.Ba3 Nce5 13.Be7 Re7 14.Ne5 Ne5+=; 11.Nbd2 Bc5 12.c4 dc4 13.Nc4 Qe7 14.Qd2 Qe2+=; 11.Ba3 Bg4 12.Re1 Bf3 13.Bf3 Ba3 14.Na3 Qe7+=; 11.Qd2 Qd7 12.Re1 Bh3 13.Bh1 Bg4 14.Ba3 Qf5+=) 11...Qd7 12.Nbd2 a6 13.c4 Rbd8 14.a3 Bh3=; D6) 10...Be6 11.Nbd2 (11.Qc2 Qd7 12.Nbd2 Rad8 13.Rfe1 Bh3 14.Bh1 Bf5+=; 11.Re1 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Qb3 Rab8+=; 11.Ng5 Bg4 12.h3 Bf5 13.Re1 Qd7 14.g4 Bg6+=; 11.Qa4 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 Rab8+=; 11.Ba3 Bg4 12.Qb3 Ba3 13.Na3 Re2 14.Rfe1 Re1-/+; 11.e3 Qd7 12.Nbd2 Rad8 13.Rb1 a6 14.Bc1 b6+=) 11...Qd6 12.Rb1 a6 13.c4 Nd7 14.Qc2 Nb6=; D7) 10...Bc5 11.Ba3 (11.Re1 Qe7 12.Bc1 Rad8 13.Bf4 Ne4 14.Rf1 Nd6+=) 11...Ba3 12.Na3 Qe7 13.Nc2 Qe2 14.Qe2 Re2+=.

9.c3 Bf8 A) 10.Re1 A1) 10...Be7 11.Qa4 (11.Ba3 Be4 12.Be7 Qe7 13.d4 a5 14.Qb3 Reb8+=; 11.d3 Qd7 12.Nbd2 Rad8 13.Qa4 Bh3 14.Bh3 Qh3+=; 11.a3 Qd7 12.d3 Bh3 13.Bh3 Qh3 14.Nbd2 Bc5+=) 11...Be4 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 c6=; A2) 10...Qd7 11.d3 (11.Ba3 Ba3 12.Na3 Be4 13.Qb3 Rab8 14.d3 Bf3+=) 11...Bc5 12.Nbd2 Qe7 13.d4 Bd6 14.c4 Qd7=; A3) 10...Bd6 11.d3 (11.Ba3 Be4 12.Bd6 Qd6 13.d3 Bf3 14.Bf3 Ne5+=; 11.a3 Qe7 12.d3 Ne5 13.Nbd2 Nf3 14.Bf3 Be5+=) 11...Qe7 12.Qb3 Na5 13.Qa4 b6 14.Nbd2 Rad8=; A4) 10...Bc5 11.d4 (11.d3 Qe7 12.Bc1 Nd8 13.Nd4 Bd4 14.cd4 Qb4+=; 11.Ba3 Bb6 12.d4 Ne4 13.Qc1 Qf6 14.Nbd2 Rad8+=; 11.Qa4 Qd7 12.Ba3 Bb6 13.e3 Be4 14.Qd1 Bd3-/+) 11...Be7 12.Ba3 Rb8 13.Be7 Qe7 14.Nbd2 a6+=; A5) 10...Bg4 11.d3 (11.d4 Ne4 12.Nbd2 Rb8 13.Ne4 de4 14.Nd2 Bf5=) 11...Bf3 12.Bf3 Rb8 13.Nd2 Ne5 14.Bg2 b5=; A6) 10...Qc8 11.Ba3 (11.d3 Bc5 12.e3 Qe6 13.Qc2 Rad8 14.Ba3 Nd7+=; 11.c4 dc4 12.Bf6 gf6 13.Nc3 Qd7 14.Qa4 Nb4+=; 11.Qa4 Bc5 12.d4 Be7 13.c4 Nb4 14.Rc1 dc4+=; 11.a4 Bh3 12.c4 Bg2 13.Kg2 Qe6 14.cd5 Nd5+=) 11...Ba3 12.Na3 Bh3 13.Bh1 Rb8 14.Rb1 Qe6+=; A7) 10...Rb8 11.d3 Bc5 12.Ba3 Bb6 13.e3 Qd7 14.Qd2 Ng4+=; B) 10.Ba3 B1) 10...Bd6 11.d4 (11.Bd6 Qd6 12.d3 Ne5 13.Nbd2 c5 14.Re1 Nf3+=; 11.Re1 Be4 12.Bd6 Qd6 13.d4 a5 14.Nbd2 a4+=; 11.d3 Bg4 12.Bd6 Qd6 13.Nbd2 Qa3 14.c4 d4+=) 11...a5 12.Bd6 Qd6 13.Nbd2 a4 14.c4 Be4+=; B2) 10...Ba3 11.Na3 Qe7 12.Qb3 Rab8 13.Nb5 a6 14.Nbd4 Nd4+=; C) 10.d3 C1) 10...Qd7 11.Qc2 (11.Ba3 Ba3 12.Na3 Qe7 13.Nc2 Qe2 14.Qe2 Re2+=; 11.Re1 Bc5 12.Ba3 Bb6 13.e3 Rad8 14.Qc2 Ng4-/+; 11.e3 Be7 12.Ba3 Bh3 13.Bh3 Qh3 14.Be7 Ne7+=; 11.Nbd2 Qe6 12.e4 de4 13.Ng5 Qe7 14.Nde4 Ne5+=; 11.Bc1 Bc5 12.Bf4 Re7 13.Nbd2 Rae8 14.Re1 Bb6+=) 11...Bd6 12.Re1 Bh3 13.c4 Bg2 14.Kg2 Nb4+=; C2) 10...Bd6 11.Nbd2 (11.Re1 Bg4 12.Nbd2 Be6 13.c4 dc4 14.dc4 Nd7=; 11.Ba3 Bg4 12.Bd6 Qd6 13.Nbd2 Qa3 14.c4 d4+=; 11.Qc2 Qd7 12.Re1 Bh3 13.Bh3 Qh3 14.c4 d4+=; 11.Qd2 Qe7 12.Re1 Bg4 13.Qc2 Bf3 14.Bf3 Qe6+=) 11...Qe7 12.Re1 Bc5 13.d4 Bd6 14.c4 Qe6=; C3) 10...Be7 11.Nbd2 (11.Re1 Qd7 12.Nbd2 Rad8 13.Rb1 Bh3 14.Bh3 Qh3+=; 11.Bc1 Bc5 12.Re1 Qe7 13.Bg5 h6 14.Bf4 a6+=) 11...Be6 12.c4 a6 13.Ng5 Bg4 14.h3 Bf5=; C4) 10...Rb8 11.Nbd2 (11.Re1 Bc5 12.Ba3 Bb6 13.e3 Qd7 14.Qd2 Ng4+=) 11...Bc5 12.c4 dc4 13.Nc4 Qe7 14.Qd2 Qe2+=; C5) 10...Qe7 11.Re1 Qe6 12.Ba3 Ba3 13.Na3 Bg4 14.Qb3 Rab8=; C6) 10...Be6 11.Re1 (11.Ba3 Bd6 12.Bd6 Qd6 13.Nbd2 Rab8 14.e3 Ne5+=; 11.e3 Bd6 12.Ba3 Bf5 13.Bd6 Qd6 14.Qc2 Ne5+=; 11.Nbd2 Bc5 12.e3 Qe7 13.Rb1 Bf5 14.Qc2 Bd6+=; 11.Qb3 Na5 12.Qa4 c5 13.Nbd2 Bd7 14.Qd1 Bd6+=; 11.Qa4 Bg4 12.e3 Bd6 13.c4 Nb4 14.Rd1 Bf5+=; 11.Qc2 Bd6 12.Nbd2 Qe7 13.Rab1 a6 14.e3 Rad8+=) 11...Bd6 12.Nbd2 Qe7 13.Rb1 Rab8 14.Qc2 Ne5=; C7) 10...Bc5 11.Re1 (11.Ba3 Ba3 12.Na3 Qe7 13.Nc2 Qe2 14.Qe2 Re2+=) 11...Qe7 12.Bc1 Rad8 13.Bf4 Ne4 14.Rf1 Nd6+=.

9.c4 dc4-/+ 10.Na3 Na5 11.Nd4?? (11.Nb5 Nd5-/+) 11...Bd7 (better 11...Ba3 12.Nf5 Bb2-+) 12.Ndc2 (12.Nac2 Bc5-/+) 12...Bf8 (better 12...Ba4!?-+) 13.Ne3 Be6 14.Rb1 (14.Qc2 Nd5-/+) 14...a6 (14...c6 15.Qc2 Nd5 16.Rbd1-/+) 15.Qc2 c4 draws heavy fire (15.Bf6 Qf6 16.Qa4 Qe5 17.Bb7 Nb7 18.Rb7 c3=+) 15...Rb8 (15...Nd5 16.Bc3 Ba3 17.Ba5=+) 16.Nac4 Nc4 17.Nc4 Bc4 18.Qc4 (better 18.Bf6 Qf6 19.Qc4=) 18...Qd2 (better 18...b5!? 19.Qd3 Qd3 20.ed3 Nd7=+) 19.Bf6+= gf6 20.Bf3 (20.Bb7!? Re2 21.Qc7+/-) 20...b5= 21.Qc7 Bd6 (better 21...Qa2 22.Rfc1 Qe6=) 22.Qc6+/- Re6? (better 22...Be5 23.Qa6 Red8+-) 23.Qd5 (better 23.Rfd1 Qa2 24.Bd5 Bg3 25.Qe6 (25.Ba2?! Bh2 26.Kh2 Rc6+=) 25...fe6 26.Ba2+-) 23...Qd5=+ (worse 23...Re2 24.Qc6 Re6 25.Bd5+-) 24.Bd5 Re2 25.Rfe1 Rbe8 26.Re2 (26.Kf1 Re1 27.Re1 Re1 28.Ke1 f5=) 26...Re2=+ 27.Rc1 a5 (27...Rd2 28.Bb3=+) 28.Rc6 Be5 29.Ra6 (29.Rb6 b4=+) 29...Bd4 (29...Rd2!? 30.Ra8 Kg7-/+) 30.Ra5= Rf2 31.Kh1 Rf1 (31...b4 32.a3 ba3 33.Ra3=) 32.Kg2 Rf2 33.Kh3 Rb2 34.Bb3 Bg1 (34...b4!?=) 35.Rb5+= Rh2 36.Kg4 h5 (36...Bd4 37.Rb7+=) 37.Kf3 (better 37.Rh5!? Rh5 38.Kh5+/-) 37...Rf2= 38.Ke4 f5 (38...Re2 39.Kd3 Re5=) 39.Ke5 (39.Rf5 Rf5 40.Kf5 Kf8+=) 39...Bh2 (better 39...Kg7!?=+) 40.Kf6= Exerts pressure on the isolated pawn 40...Bg3 41.Bf7 Kh7 42.Bg6 Increasing the pressure on the isolated pawn on f5 42...Kh6 43.Bf5 (43.Bh5 Bh4 44.Ke6 Ra2 45.Rf5 Ra6 46.Kd7 Bf6=) 43...Bh4 (43...Ra2 44.Be6 Ra6 45.Rc5-/+) 44.Ke6 (44.Ke5!?=+) 44...Re2 45.Kd5 Rd2 (better 45...Ra2!? 46.Rb6 Kg5-/+) 46.Ke4= Kg5 (46...Ra2 47.Rb6 Kg7 48.Rg6 Kf7 49.Rh6=) 47.Be6 (47.a4 Bf2+=) 47...Kg6= 48.a4 Re2 49.Kd5 Rd2 50.Kc6 Bf2 (50...Bg3 51.Kb7=) 51.a5 h4 52.a6 Rd3?? (52...Kf6 53.Bh3+=) 53.Ra5 (better 53.Bf5 Kh6 54.Bd3+-) 53...Rc3 54.Kd7 h3 55.a7 (55.Bh3!? Rh3 56.Kc6+=) 55...Ba7= 56.Ra7 h2 57.Ra1 Rd3 58.Ke7 Rd2 59.Bg4 Kg5 60.Bf3 Kf4 61.Ba8 Re2 62.Kf6 Rb2 (62...Ke3 63.Ke5=) 63.Rf1 Kg3 64.Kg5 (64.Rh1 Rb5=) 64...Rb5=+ 65.Kf6 Rb6 (65...Rb8 66.Bd5=) 66.Ke5= Rb5 67.Kd4 Ra5 68.Be4 Ra4 69.Ke3 Re4 70.Ke4 Kg2 71.Rd1 h1Q 72.Rh1 Kh1 ½-½. is_er_nog_hoop (2615) - Maci (2460), Rated Blitz game, lichess.org, 2016.

9.d3 d4 10.c3 dc3 11.Nc3 Qd7 12.Nb5 a6 13.Nbd4 Nd4 14.Nd4 Bg6 15.Bb7 Rab8 16.Bc6 Qh3 17.Be8 Re8 18.Qa4 Bc5 19.Nf3 Kf8 20.Bf6 gf6 21.Qa6 Re2 22.d4 Re6 23.Qc8 Kg7 24.dc5 Be4 25.Nh4 f5 26.Qc7 Rg6 27.f3 Bc6 28.Ng6 1–0. caballos (1900) – wwgia (1730), gameknot.com, 2013.

9.Re1 a6 10.a3 A) 10...Bc5 11.d3 (11.e3 b5 12.d3 Rb8 13.Nbd2 Bd6 14.Nd4 Nd4+=) 11...Qd6 12.Nbd2 Rad8 13.e3 Qe7 14.Ra2 Bg4=; B) 10...Be7 11.d3 (11.e3 Qd7 12.d3 Bh3 13.Nbd2 Bg2 14.Kg2 b5+=) 11...Qd7 12.Nbd2 Rad8 13.c4 Bg4 14.Rb1 dc4=; C) 10...Ba5 11.e3 (11.Nd4 Nd4 12.Bd4 c5 13.Bf6 Qf6 14.c3 Rad8-/+; 11.Nh4 Bg4 12.Nf3 Ne4 13.h3 Be6 14.Rf1 Qd6+=; 11.c3 Bb6 12.d3 Qe7 13.Qd2 Ng4 14.d4 Qe6+=; 11.Ra2 Ne4 12.Rf1 d4 13.Ra1 Nc5 14.e3 d3-/+) 11...Qd6 12.Re2 Ne7 13.d3 Qb6 14.Ra2 Bg4=; D) 10...Bf8 11.e3 (11.d3 Bc5 12.e3 Qe7 13.Nbd2 Rad8 14.Ra2 Bg4=; 11.Qc1 Be7 12.d3 Qd7 13.Qf4 Nh5 14.Qa4 b5+=) 11...Bd6 12.Nc3 Qe7 13.d3 Bg4 14.h3 Bf3=; E) 10...Bd6 11.Ra2 (11.e3 Na5 12.d3 c5 13.Nbd2 Nc6 14.Ng5 Be5+=; 11.Qc1 Bg4 12.d3 Bf3 13.Bf3 Ne5 14.Bg2 c6+=; 11.d3 Be6 12.Nbd2 b5 13.a4 b4 14.e4 de4+=) 11...Qe7 12.d3 Rad8 13.Nbd2 Bc5 14.e3 Bg4=.

9.Re1 a6 10.c3 Bc5 (10...Bd6 11.a3 (11.d3 Qe7 12.Qd2 Bg4 13.h3 Bf3 14.Bf3 Ne5+=) 11...Bc5 12.d3 Qe7 13.Nd4 Bg4 14.Nc6 bc6+=; 10...Be7 11.Na3 (11.Ba3 Be4 12.Be7 Re7 13.d4 Qd6 14.Nbd2 Rae8+=; 11.a3 Bc5 12.d3 Qe7 13.Nd4 Qd7 14.Nf5 Qf5+=; 11.d3 Qd7 12.Ba3 Bh3 13.Be7 Re7 14.Bh3 Qh3+=) 11...Bc5 12.Nc2 Qe7 13.d3 Rad8 14.Rb1 b5+=) 11.d3 (11.d4 Bd6 12.Ba3 Rb8 13.Bd6 Qd6 14.Nbd2 b5+=; 11.Ba3 Bb6 12.d3 Ng4 13.d4 Qd7 14.Nbd2 Nf6+=) 11...Qe7 12.d4 (12.Bc1 Rad8 13.Bf4 Ne4 14.Rf1 Nd6+=) 12...Bd6 13.Nbd2 Na5 (13...Rad8 14.Nh4 (14.c4 Qd7 15.a3 dc4 16.Nc4=) 14...Bg4+=) 14.Nh4 Bg4 (14...Be6+=) 15.Qc2 Rad8 (worse is 15...Be2 16.Bf1+/–) 16.Nf5 Bf5 17.Qf5 Qe6 ½–½. Behrmann,Klaus – Kern,Michael, corr, 1998.

9.Re1 a6 10.Nd4 Be4 (10...Nd4 11.Bd4 Be7 12.Nc3 b5 13.Rb1 Ne4 14.d3 Nc3+=) 11.Nf3 (11.Be4 Ne4 12.Nc6 bc6 13.f3 Nd6 14.c3 Bc5-/+; 11.f3 Bg6 12.Nc6 bc6 13.Bd4 c5 14.Bf2 c4-/+; 11.Nc6 bc6 12.Bd4 Bg2 13.Kg2 Qe7 14.c3 Bd6+=; 11.a3 Bc5 12.Nb3 Bd6 13.f3 Bf5 14.Nc3 d4+=) 11...Bc5 12.e3 d4 13.ed4 Nd4 14.Bd4 Bd4 +=.

9.Re1 a6 10.e3 A) 10...Qd6 11.a3 (11.Re2 Rad8 12.a3 Bc5 13.d4 Bb6 14.Nbd2 Qe6+=) 11...Ba5 12.Re2 Re7 13.d3 Rae8 14.Nbd2 b5=; B) 10...b5 11.a3 (11.a4 ba4 12.Ra4 Ne4 13.Re2 Qd7 14.d3 Nc5+=; 11.Re2 Qd6 12.a3 Bc5 13.d3 Rad8 14.Nbd2 Qe7+=; 11.h3 Na5 12.Bc3 Bc3 13.Nc3 Qd7 14.g4 Be6+=; 11.Rf1 Qe7 12.d3 Bd6 13.Nbd2 Rad8 14.a4 b4+=; 11.Bc3 Qd6 12.d3 Bc3 13.Nc3 b4 14.Ne2 Bg4+=) 11...Bd6 12.d3 Qe7 13.Nc3 Bg4 14.h3 Bf3+=; C) 10...Be6 11.a3 (11.Ng5 Bd7 12.Nf3 Bg4 13.h3 Bf5 14.a3 Be7+=; 11.Qe2 Qe7 12.a3 Bd6 13.Nc3 Rad8 14.Ng5 Bc8+=; 11.Qc1 Qe7 12.a3 Bd6 13.d3 b5 14.Nbd2 Rad8=; 11.Re2 Qe7 12.d3 Rad8 13.c3 Bd6 14.Qb3 Na5+=) 11...Ba5 12.Nd4 Nd4 13.Bd4 Ne4 14.Qh5 Nd2=; D) 10...Qe7 11.Nc3 (11.a3 Bd6 12.d3 Rad8 13.Nc3 Bg4 14.h3 Be6+=; 11.h3 Rad8 12.a3 Ba5 13.Bc3 Bc3 14.Nc3 b6+=; 11.Bc3 Bd6 12.Qc1 Be4 13.Qb2 Bf3 14.Bf3 Ne5+=; 11.Re2 Rad8 12.a3 Bc5 13.Nc3 b5 14.d3 Bg4+=) 11...Rad8 12.d3 Be6 13.Qd2 Rd7 14.a3 Bd6=; E) 10...Ba5 11.Re2 (11.Rf1 Qd6 12.d3 Bg4 13.h3 Bf5 14.g4 Bc8=; 11.a3 Qd6 12.Re2 Ne7 13.d3 b5 14.Nbd2 Ng6+=; 11.Nd4 Nd4 12.Bd4 Ne4 13.f3 Ng5 14.g4 Bd7+=) 11...Qd6 12.d3 Rad8 13.Nbd2 Qe6 14.Nb3 Bg4+=; F) 10...Bg4 11.h3 (11.a3 Bd6 12.h3 Bh5 13.d3 b5 14.Nc3 d4+=; 11.Re2 Qe7 12.d3 Qe6 13.Nbd2 Rad8 14.h3 Bf5+=; 11.Qe2 Qe7 12.a3 Bd6 13.h3 Bh5 14.c4 Rad8+=) 11...Bf5 12.a3 Be7 13.d3 b5 14.Nc3 Rb8=; G) 10...Rb8 11.a3 (11.Re2 Qe7 12.d3 Bc5 13.Nbd2 Bd6 14.Rb1 b5+=) 11...Bd6 12.d3 Qe7 13.Nbd2 Ne5 14.Ne5 Be5+=.

9.Re1 Qd6 A) 10.e3 A1) 10...Rab8 11.Re2 (11.a3 Ba5 12.Re2 Bg4 13.d3 Bf3 14.Bf3 Ne5+=; 11.h3 Qe6 12.a3 Ba5 13.Bc3 Bc3 14.Nc3 h6+=; 11.Nc3 Ne4 12.Nb5 Qd7 13.a3 Ba5 14.Re2 a6-/+) 11...Qe6 12.a3 Bd6 13.Nc3 a6 14.Nd4 Nd4=; A2) 10...Rac8 11.Re2 (11.a3 Ba5 12.Re2 Bg4 13.d3 Bf3 14.Bf3 Ne5+=; 11.h3 Ne4 12.a3 Ba5 13.Re2 Nc5 14.Nc3 Qd7=) 11...Qe6 12.Nh4 Ne5 13.Be5 Qe5 14.d4 Qe6=; A3) 10...Ba5 11.Re2 (11.Bc3 Rad8 12.d3 a6 13.Ba5 Na5 14.Nbd2 c5+=; 11.Nc3 Ne4 12.Nh4 Bc3 13.Bc3 Be6 14.Bb2 Qb4+=) 11...Rad8 12.d3 Bg4 13.Nbd2 Bd2 14.Qd2 b6=; A4) 10...Ne4 11.Re2 (11.Rf1 Bg4 12.a3 Bc5 13.h3 Bd7 14.d4 Bb6+=) 11...Qe6 12.d3 Nf6 13.a3 Bc5 14.Nbd2 Bd6=; A5) 10...a6 11.a3 (11.Re2 Rad8 12.d3 Bg4 13.Nbd2 Qe6 14.h3 Bf5+=; 11.h3 Ne4 12.a3 Ba5 13.Re2 Qe6 14.d3 Nc5=) 11...Ba5 12.Re2 Ne7 13.d3 Qb6 14.Ra2 Bg4=; A6) 10...Qe6 11.Nh4 (11.a3 Bc5 12.Nc3 Bg4 13.h3 Bh5 14.Rb1 Ne4=; 11.Nc3 Ne4 12.Nb5 Qd7 13.Rb1 Bg4 14.c3 Be7+=; 11.Ng5 Qe7 12.a3 Bc5 13.Nc3 h6 14.Nf3 Rad8=) 11...Ne5 12.Be5 Qe5 13.c3 Bd6 14.d4 Qe6=; A7) 10...Rad8 11.a3 (11.Bc3 Ne4 12.Bb4 Qb4 13.Qc1 Bg4 14.Nh4 g5+=; 11.Re2 Qe7 12.a3 Bc5 13.Nc3 Ne4 14.Na4 Bd6+=; 11.h3 Ne4 12.a3 Ba5 13.Re2 Nc5 14.Nc3 Qe6+=; 11.Nc3 Ne4 12.Nb5 Qd7 13.a3 Ba5 14.Re2 a6+=) 11...Ba5 12.Re2 Ne7 13.d3 c5 14.Nbd2 c4+=; B) 10.Nc3 Ne4 (10...Qc5 11.e3 Ne4 12.Ne2 Bg4 13.c3 Ba5 14.Qb3 Qb6+=; 10...a6 11.a3 Ba5 12.Na2 Ne4 13.Nc1 Bg4 14.Nb3 Bb6+=) 11.Nb5 Qe7 12.Nbd4 Nd4 13.Nd4 Qf6 14.Nf5 Qf5+=; C) 10.a3 C1) 10...Bc5 11.d3 (11.d4 Bb6 12.Nbd2 Ne4 13.Nh4 Bd7 14.Rb1 Ba5+=; 11.e3 d4 12.ed4 Re1 13.Qe1 Nd4 14.Bd4 Bd4-/+) 11...Rad8 12.Nbd2 d4 13.Nc4 Qd7 14.e3 Bg4+=; C2) 10...Ba5 11.e3 (11.Nc3 a6 12.Nb1 Ne4 13.e3 Bg4 14.h3 Bh5+=) 11...Rad8 12.Re2 Ne7 13.d3 c5 14.Nbd2 c4+=.

9.Re1 Ne4 A) 10.e3 A1) 10...Qd7 11.Rf1 (11.a3 Ba5 12.Re2 Nc5 13.d3 Na4 14.c3 Nc5+=; 11.Re2 Bh3 12.d3 Nd6 13.a3 Bc5 14.Nc3 Bg2+=) 11...Bh3 12.d3 Bg2 13.Kg2 Nd6 14.a3 Bc5+=; A2) 10...Qd6 11.Re2 (11.Rf1 Qe6 12.d3 Nc5 13.a3 Ba5 14.Bc3 Bb6+=) 11...Qe6 12.d3 Nf6 13.a3 Bc5 14.Nbd2 Bd6=; A3) 10...Be6 11.a3 (11.Re2 Ng5 12.Ng5 Qg5 13.Nc3 Rad8 14.Nb5 Rc8+=; 11.Rf1 Be7 12.d3 Nc5 13.Nc3 Qd7 14.Rb1 Rad8+=; 11.Qe2 Qd7 12.a3 Ba5 13.c3 Bg4 14.Qf1 Qe6+=) 11...Ba5 12.Rf1 Bg4 13.h3 Be6 14.Kh2 Nd6+=; A4) 10...f6 11.Re2 (11.c3 Be7 12.Nd4 Nd4 13.cd4 c6 14.d3 Ng5+=; 11.Nh4 Be6 12.a3 Ba5 13.Re2 Qd6 14.d3 Ng5+=; 11.Rf1 Bc5 12.Re1 Ne5 13.Ne5 fe5 14.Be5 Re5+=; 11.a3 Ba5 12.Rf1 Nc5 13.Nc3 d4 14.ed4 Nd4=; 11.Ba3 Ba3 12.Na3 Bg4 13.d4 Qe7 14.Qc1 Nb4+=; 11.Nd4 Nd4 12.Bd4 c5 13.c3 Ba5 14.Be4 de4+=) 11...Bg4 12.h3 Bf3 13.Bf3 Qd7 14.Bg2 Rad8=; A5) 10...a6 11.Rf1 (11.Re2 Bg4 12.a3 Be7 13.h3 Bf6 14.Qc1 Bf3+=; 11.a3 Ba5 12.Rf1 Nc5 13.Nh4 Be6 14.f4 f5+=) 11...Qd6 12.d3 Nf6 13.Nbd2 Qe6 14.Rb1 Nd7=; A6) 10...Qc8 11.Re2 (11.a3 Ba5 12.Re2 Bh3 13.d3 Bg2 14.Kg2 Nd6+=) 11...Qe6 12.d3 Nf6 13.a3 Bc5 14.Nbd2 Bd6=; A7) 10...Bg4 11.Rf1 (11.a3 Be7 12.d3 Bf6 13.Ra2 Bb2 14.Rb2 Ng5+=; 11.c3 Bd6 12.h3 Bf5 13.Re2 Qd7 14.g4 Be6+=; 11.h3 Bf3 12.Qf3 Qg5 13.c3 Bd6 14.Rd1 Ne5-/+) 11...Ne5 12.Be5 Re5 13.c3 Bd6 14.Qb3 Bf3+=; B) 10.Rf1 B1) 10...Qe7 11.a3 (11.e3 Bg4 12.a3 Bd6 13.h3 Bf3 14.Qf3 Ne5+=; 11.d3 Nf6 12.e3 Rad8 13.Nbd2 a6 14.Rb1 b6+=) 11...Bd6 12.d3 Nf6 13.Re1 Ne5 14.Nbd2 c6+=; B2) 10...Nd6 11.a3 (11.d3 Bg4 12.e3 Qd7 13.a3 Ba5 14.Nbd2 Qf5+=) 11...Bc5 12.d3 d4 13.Nbd2 Bg4 14.Nb3 Bb6=; B3) 10...Qd6 11.d3 (11.e3 Bg4 12.a3 Bc5 13.h3 Bd7 14.d4 Bb6+=) 11...Nf6 12.e3 Rad8 13.a3 Bc5 14.Nc3 Qe7=; B4) 10...Be6 11.e3 (11.d3 Ng5 12.Nbd2 Bg4 13.a3 Bc5 14.Re1 Nh3+=; 11.a3 Be7 12.d3 Nc5 13.Nc3 Qd7 14.e3 Rad8+=) 11...Be7 12.Qc1 Nc5 13.Nc3 Qd7 14.Rb1 Rab8+=; B5) 10...Bc5 11.e3 (11.d3 Nf6 12.Nbd2 d4 13.Nb3 Bb6 14.Qd2 Bg4=) 11...d4 12.ed4 Nd4 13.d3 Ne2 14.Qe2 Nf2=; B6) 10...Be7 11.e3 (11.Qc1 Bf6 12.d3 Nc5 13.Re1 d4 14.a4 Be6+=; 11.c3 Qd7 12.d3 Nd6 13.Nbd2 Bh3 14.Re1 Bg2+=; 11.d3 Bf6 12.Qc1 Nc5 13.Re1 d4 14.a4 Be6+=) 11...Bf6 12.Qc1 d4 13.Na3 a6 14.d3 Nc3+=; B7) 10...Bg4 11.h3 (11.a3 Bc5 12.d4 Qf6 13.Nbd2 Bb6 14.c3 Qh6+=; 11.c3 Bc5 12.d4 Bd6 13.Re1 Rb8 14.Nbd2 Qe7+=; 11.Qc1 Ng5 12.Ng5 Qg5 13.e3 Rad8 14.Nc3 Qh5+=) 11...Bf3 12.Bf3 Ne5 13.Be5 Re5 14.c3 Be7+=; C) 10.a3 Ba5 11.Rf1 (11.e3 Nd6 12.Bc3 Bc3 13.Nc3 d4 14.ed4 Re1+= ; 11.Nh4 Be6 12.Nf3 Qd6 13.Rf1 Nc5 14.d4 Ne4+= ; 11.h3 Qd7 12.g4 Be6 13.c3 h5 14.d3 Nc5-/+; 11.c3 Bb6 12.d4 Qf6 13.Nbd2 Rad8 14.Qb3 Na5+=) 11...d4 12.Nh4 Bc8 13.e3 d3 14.Nc3 Nc5+=.

9.Re1 Qe7 A) 10.a3 A1) 10...Bc5 11.e3 Rad8 12.d3 a6 13.Nbd2 Bd6 14.Qb1 Nh5=; A2) 10...Bd6 11.Nc3 (11.d3 Ne5 12.Nbd2 c6 13.c4 dc4 14.Be5 Be5=; 11.Bf6 Qf6 12.Nc3 Be4 13.Nb5 Bf3 14.Bf3 Be5+=) 11...a6 12.d3 d4 13.Na4 Bd7 14.e3 de3=; A3) 10...Ba5 11.e3 (11.Bc3 Rad8 12.e3 Bc3 13.Nc3 Ne4 14.Nb5 Bg4+=; 11.Nc3 Rad8 12.Nb5 Ne4 13.Nbd4 Nd4 14.Nd4 Qf6-/+) 11...a6 12.Nc3 Qc5 13.h3 Rab8 14.Nh4 Bd7+=; B) 10.Nc3 B1) 10...Qc5 11.e3 Ne4 12.Ne2 Bg4 13.c3 Ba5 14.Qb3 Qb6+=; B2) 10...a6 11.a3 (11.e3 Rad8 12.d3 Bg4 13.a3 Ba5 14.Qc1 Bf3+=; 11.Rb1 Rad8 12.e3 Ne4 13.Ne4 de4 14.Nd4 Nd4+=; 11.Nh4 Be6 12.a3 Ba5 13.e3 Ne5 14.d3 Bg4+=) 11...Bc5 12.e3 Rad8 13.d3 b5 14.Qd2 Qd6+=; B3) 10...Rad8 11.a3 (11.Nb5 Ne4 12.Nbd4 Nd4 13.Nd4 Qf6 14.c3 Bc5-/+) 11...Ba5 12.Nb5 Ne4 13.Nbd4 Nd4 14.Nd4 Qf6-/+; C) 10.e3 C1) 10...Be6 11.Re2 (11.Qe2 a6 12.a3 Bd6 13.Nc3 Rad8 14.Ng5 Bf5+=; 11.a3 Ba5 12.Ng5 Bf5 13.Nc3 Ne5 14.e4 Bg4-/+; 11.Ng5 Bd7 12.Nc3 Rad8 13.a3 Ba5 14.Qe2 Bf5+=) 11...Rad8 12.d3 Bg4 13.Nbd2 Qe6 14.h3 Bf5=; C2) 10...a6 11.a3 (11.Nc3 Rad8 12.a3 Ba5 13.d3 Bg4 14.Qc1 b5+=; 11.h3 Rad8 12.a3 Bd6 13.d3 Ne5 14.Nbd2 b5+=; 11.Re2 Bc5 12.Nc3 b5 13.Rb1 b4 14.Na4 Bd6+=; 11.Bc3 Ne4 12.Bb4 Qb4 13.Qc1 Bg4 14.Nh4 g5+=) 11...Bd6 12.d3 Bg4 13.Nbd2 b5 14.h3 Bh5=; C3) 10...Bg4 11.a3 (11.h3 Bf5 12.Nh4 Bd7 13.a3 Ba5 14.Nc3 Be6+=; 11.Qe2 Bd6 12.Nc3 Ne5 13.Nb5 c5 14.Nd6 Qd6+=) 11...Bd6 12.h3 Bh5 13.Nc3 Qd7 14.g4 Bg6=; C4) 10...Qd6 11.a3 (11.Re2 a6 12.d3 Qe6 13.Nbd2 Rad8 14.a3 Be7+=; 11.Nc3 Ne4 12.Nb5 Qd7 13.Rb1 Bg4 14.c3 Be7+=) 11...Ba5 12.Re2 Bg4 13.d3 Bf3 14.Bf3 Ne5=; C5) 10...Qe6 11.a3 (11.Nh4 Bg4 12.f3 Bh5 13.g4 Be7 14.Nc3 Na5=; 11.Ng5 Qd6 12.a3 Ba5 13.Nc3 a6 14.d3 Ne5+=; 11.Nc3 Ne4 12.Nb5 Qd7 13.Rb1 Bg4 14.c3 Be7+=) 11...Be7 12.Nc3 Rad8 13.d3 Bg4 14.h3 Bf3=; C6) 10...Rab8 11.Nc3 Qc5 12.a3 Ba5 13.h3 Rbd8 14.Rb1 Ne4+=; C7) 10...Rad8 11.a3 Bd6 12.Nc3 a6 13.d3 Bg4 14.h3 Be6+=.

9.Re1 Bg4 A) 10.h3 A1) 10...Be6 11.a3 (11.Nd4 Nd4 12.Bd4 Ne4 13.h4 c5 14.a3 cd4-/+; 11.c3 Be7 12.d3 Qc8 13.Ng5 Bd7 14.Kh2 Bc5+=) 11...Be7 12.Ng5 Bf5 13.d3 Qd7 14.e4 de4=; A2) 10...Bf3 11.Bf3 Qd6 12.a3 Bc5 13.Bg2 Qe6 14.Nc3 Rad8+=; A3) 10...Bf5 11.a3 (11.Nd4 Nd4 12.Bd4 c6 13.c3 Be7 14.d3 c5+=; 11.e3 Qd6 12.a3 Ba5 13.Bc3 Bb6 14.d3 d4+=; 11.Nh4 Be6 12.Nf3 Ne4 13.c3 Qf6 14.Qb3 Bc5+=; 11.Qc1 Ne4 12.a3 Ba5 13.e3 Qd7 14.g4 Be6+=; 11.c3 Bd6 12.d3 Qd7 13.g4 Be6 14.Nbd2 Qe7+=) 11...Be7 12.d3 Qd7 13.g4 Be6 14.e3 Qd6+=; A4) 10...Bd7 11.e3 (11.a3 Be7 12.d3 Bf5 13.e3 Qc8 14.g4 Be6=; 11.Nc3 Bf5 12.a3 Be7 13.d3 d4 14.Nb5 Bc5=) 11...Be7 12.d3 Qc8 13.Kh2 Bf5 14.Nbd2 Rb8=; A5) 10...Bc8 11.a3 (11.e3 Be6 12.a3 Ba5 13.Re2 Ne4 14.d3 Ng5+=; 11.Ba3 Ba3 12.Na3 Qe7 13.Qc1 Bf5 14.d3 Qd7+=; 11.Nc3 Ne4 12.Nb5 a6 13.Nbd4 Qf6 14.Nc6 Qc6+=; 11.c3 Bd6 12.Ba3 Ne5 13.Ne5 Re5 14.d4 Rh5+=; 11.Nd4 Ne5 12.a3 Bd6 13.Nb5 Bf8 14.Bd4 a6+=; 11.Qc1 Bf5 12.a3 Be7 13.d3 Qd7 14.Kh2 Rad8+=) 11...Be7 12.d3 Bf5 13.e3 Qc8 14.g4 Be6=; A6) 10...Bh5 11.a3 (11.Nd4 Qe7 12.Nc6 bc6 13.Qc1 Rab8 14.c4 Bg6+=) 11...Bc5 12.d4 Bd6 13.Nc3 Na5 14.Ne5 c6+=; B) 10.a4 B1) 10...Rb8 11.c3 (11.e3 Ne4 12.h3 Be6 13.c3 Qf6 14.d3 Nc3-/+; 11.h3 Bf5 12.e3 Qd6 13.Nc3 Ne4 14.Nb5 Qd7+=; 11.Qc1 Bf3 12.Bf3 Qe7 13.Na3 Ne5 14.Be5 Qe5+=; 11.Ba3 Ba3 12.Ra3 Na5 13.h3 Bh5 14.Re3 Qd7+=) 11...Bd6 12.d3 Ne5 13.Nbd2 Nf3 14.Nf3 c6+=; B2) 10...a6 11.c3 (11.h3 Bf5 12.Nd4 Nd4 13.Bd4 Be4 14.c3 Bd6+=; 11.e3 Ne4 12.h3 Be6 13.Re2 Ng5 14.Ng5 Qg5+=; 11.Ba3 Ba3 12.Ra3 b6 13.h3 Be6 14.d4 Ne4+=; 11.Qc1 Qe7 12.e3 Rad8 13.Nd4 Ne5 14.h3 Bc8+=; 11.Ra2 Ne4 12.c3 Bc5 13.d4 Be7 14.Nfd2 Bf5+=; 11.Nc3 Bf3 12.Bf3 Ne5 13.Rb1 Nf3 14.ef3 Re1-/+) 11...Bd6 12.d3 Bf3 13.Bf3 Rb8 14.Nd2 Ne5=; B3) 10...Ne4 11.c3 (11.h3 Be6 12.c3 Qf6 13.Ba3 Ba5 14.g4 Rab8-/+) 11...Bc5 12.d4 Bd6 13.Ba3 Ba3 14.Ra3 Bf3+=; C) 10.Nd4 C1) 10...Ne5 11.h3 (11.a3 Bd6 12.Nb5 Bf8 13.h3 Bd7 14.Be5 Re5+=; 11.Bc3 Bc3 12.Nc3 c5 13.Nb3 c4 14.d4 Nc6-/+) 11...Bd7 12.e3 Qe7 13.Qc1 b5 14.a3 Bd6+=; C2) 10...Qd6 11.Nb5 Qe7 12.Bf6 Qf6 13.c3 Ba5 14.Bd5 Bb6+=; C3) 10...Na5 11.h3 (11.Bc3 Bc3 12.Nc3 Qd7 13.Rb1 c5 14.Nb3 Nb3+=; 11.a3 Bd6 12.d3 c5 13.Nf3 Rb8 14.h3 Bf3+=) 11...Bd7 12.e3 c6 13.a3 Bd6 14.d3 c5=; C4) 10...Qe7 11.Nc6 (11.a3 Bd6 12.Nf3 Rad8 13.d3 Ne5 14.Nbd2 c5+=) 11...bc6 12.f3 Bf5 13.Bf6 Qf6 14.c3 Bd6+=; D) 10.Qc1 D1) 10...Bc5 11.d3 (11.e3 Qd6 12.Nc3 a6 13.h3 Bf3 14.Bf3 Ne5+=; 11.a3 Qe7 12.Nc3 Rad8 13.e3 a6 14.h3 Bf3+=) 11...Bf3 12.Bf3 Nd4 13.Bd4 Bd4 14.c3 Bb6+=; D2) 10...Bf3 11.Bf3 Qe7 12.Bg2 Ne4 13.a3 Ba5 14.Rf1 Bb6+=; D3) 10...Rb8 11.h3 (11.e3 Ne4 12.a3 Ba5 13.Rf1 Bb6 14.Nc3 a6+=; 11.c4 d4 12.h3 Be6 13.a3 Bc5 14.d3 Qd6+=; 11.Qd1 Ne4 12.h3 Be6 13.a3 Ba5 14.c3 Qf6+=; 11.a3 Bc5 12.e3 Qe7 13.Nc3 Qd7 14.Ne2 Bf3+=; 11.a4 Ne4 12.c3 Bc5 13.d4 Bd6 14.Nfd2 Nf6+=) 11...Bf3 12.Bf3 Qd6 13.Bg2 Bc5 14.e3 d4+=; D4) 10...Re6 11.e3 (11.a3 Bd6 12.Nc3 Qd7 13.Rb1 Rae8 14.Nd1 Bc5+=; 11.h3 Bf3 12.Bf3 Qd7 13.Bf6 Rf6 14.c3 Bd6+=; 11.c4 d4 12.h3 Bf3 13.Bf3 Qd6 14.Na3 a6+=; 11.c3 Be7 12.c4 d4 13.h3 Bf5 14.Ng5 Rd6+=) 11...Ne4 12.a3 Ba5 13.Rf1 Qd6 14.Nh4 g5+=; D5) 10...Bd6 11.d3 (11.e3 Qe7 12.Nc3 a6 13.Rb1 Bf3 14.Bf3 Ne5+=; 11.a3 Bf3 12.Bf3 Ne5 13.Bg2 Nc4 14.d3 Nb2+=; 11.Nc3 Ne5 12.Ne5 Be5 13.Nd1 Bb2 14.Qb2 Re2+=; 11.Na3 Bf3 12.ef3 Re1 13.Qe1 Bc5 14.Qe2 Nd4+=; 11.c4 dc4 12.Qc4 Bf3 13.Bf3 Be5 14.Bc3 Bc3+=; 11.h3 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d3 Qe7+=) 11...Bf3 12.Bf3 Ne5 13.Bg2 c6 14.Nd2 Qa5=; D6) 10...Qd6 11.a3 (11.c3 Ba5 12.c4 dc4 13.Qc4 Re4 14.Qb3 Be6+=; 11.e3 Bf3 12.Bf3 Ne5 13.Bg2 Ne4 14.a3 Ba5+=; 11.c4 d4 12.Na3 a6 13.Nc2 Bc5 14.d3 Rad8+=) 11...Bf3 12.Bf3 Bc5 13.e3 Qe6 14.Bg2 Rad8=; D7) 10...Ne4 11.c3 (11.h3 Be6 12.c3 Bc5 13.d4 Be7 14.Ba3 Qd7+=; 11.a3 Ba5 12.h3 Be6 13.Rf1 Ng5 14.Ng5 Qg5+=) 11...Bc5 12.d4 Bd6 13.c4 dc4 14.Qc4 Bb4+=; E) 10.a3 E1) 10...Be7 11.d3 (11.Nc3 Ne4 12.h3 Bf5 13.Nb5 Bc5 14.e3 Qd7=; 11.e3 Ne4 12.d3 Bf6 13.Ra2 Bb2 14.Rb2 Ng5+=; 11.h3 Be6 12.Ng5 Bf5 13.d3 Qd7 14.e4 de4=) 11...Rb8 12.Nbd2 b5 13.h3 Be6 14.e4 de4=; E2) 10...Bd6 11.Nc3 (11.h3 Bf5 12.d3 Ne5 13.Ne5 Be5 14.Be5 Re5=; 11.d3 Bc5 12.Nbd2 d4 13.Qc1 Nd5 14.Nb3 Bf3=) 11...a6 12.h3 Bf5 13.d3 Qd7 14.g4 Be6=; E3) 10...Ba5 11.h3 (11.e3 Qd6 12.h3 Bh5 13.Re2 Bf3 14.Bf3 Ne5+=; 11.Qc1 Ne4 12.h3 Be6 13.Rd1 Ng5 14.Ng5 Qg5+=; 11.Ng5 Qe7 12.Nf3 Ne4 13.h3 Be6 14.Rf1 Nc5+=) 11...Be6 12.e3 Qe7 13.Re2 a6 14.d3 Rad8=; E4) 10...Bf8 11.d4 (11.e3 Bd6 12.h3 Bh5 13.g4 Bg6 14.d3 h6=; 11.d3 Bc5 12.h3 Bf3 13.Bf3 Bd4 14.Nc3 Ne5=; 11.Nc3 Bc5 12.Na4 Be7 13.e3 Rb8 14.h3 Bf5+=; 11.h3 Be6 12.e3 Bd6 13.Nc3 Qd7 14.Ng5 Ne5=) 11...Qd7 12.Ne5 Qe6 13.Ng4 Qg4 14.Nd2 Qg6=; E5) 10...Bc5 11.e3 (11.d4 Bd6 12.Nbd2 b5 13.a4 b4 14.c4 bc3+=; 11.d3 Qd6 12.Nbd2 d4 13.Nc4 Qd7 14.c3 dc3=; 11.h3 Bf3 12.Bf3 Qd6 13.d4 Bb6 14.Qd3 Ne4+=) 11...Qe7 12.h3 Be6 13.d3 Rad8 14.Nbd2 a6=.

9.e3 a6 A) 10.Nc3 A1) 10...Qe7 11.d3 (11.Rb1 Rad8 12.Ne2 b6 13.Bf6 Qf6 14.Ned4 Nd4+=; 11.a3 Bd6 12.d3 Rad8 13.Qd2 Be6 14.Ng5 Bg4+=; 11.Re1 Rad8 12.d3 Bd6 13.Nd5 Nd5 14.e4 Bb4-/+; 11.Qb1 Rad8 12.a3 Ba5 13.d3 b5 14.Ne2 Bg4+=; 11.Rc1 Rad8 12.d3 Bd6 13.Rb1 b5 14.Ne2 Bg4+=; 11.Ne2 Rad8 12.Rb1 b6 13.Bf6 Qf6 14.Ned4 Nd4+=) 11...Rad8 12.Qd2 b6 13.a3 Bc5 14.Ne2 b5+=; A2) 10...Qd7 11.d3 (11.Ne2 Be7 12.Rb1 b5 13.Nf4 Qd6 14.d3 Rad8=; 11.a3 Bd6 12.Ne2 Qe7 13.Nh4 Be6 14.f4 Red8=; 11.Rb1 Ne4 12.Ne2 Bg4 13.c3 Bd6 14.d3 Nc5+=) 11...Bh3 12.Ne2 Bg2 13.Kg2 Qf5 14.Rb1 Rab8=; A3) 10...Bd6 11.Ne2 (11.d3 b5 12.Ne2 Bg4 13.h3 Bf3 14.Bf3 Ne5+=; 11.a3 Qe7 12.d3 Bg4 13.Qd2 Qe6 14.Ng5 Qf5=; 11.Rb1 b5 12.d3 b4 13.Ne2 Rb8 14.c3 a5+=; 11.Re1 b5 12.d3 b4 13.Ne2 Bg4 14.Rc1 Rb8+=; 11.Qb1 b5 12.Nh4 Be6 13.f4 Bc5 14.f5 Bc8+=; 11.a4 Qd7 12.Ne2 Qe7 13.Rb1 Nb4 14.Ned4 Bd7+=) 11...Qe7 12.Nh4 Be6 13.f4 Red8 14.Rb1 Ra7=; A4) 10...Rb8 11.Qb1 (11.Ne2 Bd6 12.d3 b5 13.Nf4 Bf4 14.gf4 b4+=; 11.Rb1 Ne4 12.Ne2 Bg4 13.c3 Bd6 14.d3 Ng5+=; 11.a3 Bc5 12.Ne2 Bd6 13.Nh4 Be6 14.f4 Be7+=; 11.d3 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Qd2 Qg4+=) 11...Qd7 12.Ne2 Be7 13.Nf4 Qd6 14.d3 b5+=; A5) 10...Bg4 11.a3 (11.h3 Bf5 12.Rb1 Qe7 13.d3 b6 14.Ne2 Ba3=) 11...Bd6 12.h3 Bf5 13.d3 Qc8 14.Kh2 b5=; A6) 10...Ne4 11.Nb1 (11.Ne4 de4 12.Nd4 Nd4 13.Bd4 c5 14.a3 cd4+=) 11...Bg4 12.a3 Be7 13.d3 Ng5 14.Nbd2 Qd6+=; B) 10.a3 B1) 10...Bd6 11.Nc3 (11.Re1 Qe7 12.d3 b5 13.Nc3 Be6 14.Ng5 Qd7=; 11.h3 Qe7 12.Nh4 Bd7 13.Bf6 Qf6 14.Nc3 d4+=; 11.d3 Qe7 12.Nbd2 Rad8 13.Ra2 Be6 14.Nb3 a5+=; 11.Ra2 Bg4 12.h3 Be6 13.Ng5 Bf5 14.d3 Nd7+=; 11.Bc3 b5 12.Re1 Qe7 13.d3 Ne5 14.Nbd2 Bg4+=; 11.a4 Qe7 12.d3 b6 13.Nbd2 Rad8 14.Re1 Bb4+=) 11...b5 12.d3 Bg4 13.h3 Be6 14.Ng5 Qd7=; B2) 10...Be7 11.Re1 (11.d3 b5 12.Re1 Qd7 13.Nbd2 Bh3 14.e4 Bg2+=; 11.Nc3 Na5 12.d3 c5 13.Ne5 Qd6 14.f4 Rad8+=; 11.Ra2 Qd7 12.d3 Bh3 13.Bf6 Bf6 14.Bh3 Qh3+=) 11...Qd6 12.d3 b5 13.Nbd2 Rad8 14.Rb1 Bg4+=; B3) 10...Bc5 11.Re1 (11.Nc3 d4 12.Na4 Ba7 13.ed4 Bd4 14.Nd4 Nd4+=; 11.d3 d4 12.ed4 Nd4 13.Nd4 Bd4 14.Bd4 Qd4+=; 11.Ra2 Rb8 12.d4 Bd6 13.Nh4 Bg4 14.Qd3 Qd7+=; 11.Qc1 Rb8 12.Re1 d4 13.ed4 Re1 14.Qe1 Nd4+=; 11.Bc3 Rb8 12.d3 d4 13.ed4 Nd4 14.Nd4 Bd4+=) 11...b5 12.d3 Rb8 13.Nbd2 Bd6 14.Nd4 Nd4+=; C) 10.d3 C1) 10...Bg4 11.h3 (11.a3 Bd6 12.Nbd2 b5 13.c4 dc4 14.Qc1 Ra7=; 11.Nbd2 Qe7 12.Qb1 b5 13.a4 Be6 14.Re1 Reb8=) 11...Be6 12.Nbd2 b5 13.a4 Qe7 14.Re1 Na7=; C2) 10...Qd6 11.a3 (11.Nbd2 Ba3 12.Ba3 Qa3 13.Qb1 b6 14.Qb3 Qb3+=; 11.Nc3 Rab8 12.Ne2 Bg4 13.Nf4 Ne5 14.a3 Ba5+=) 11...Bc5 12.Nbd2 Qe7 13.Ra2 Rad8 14.Qa1 Nh5=; C3) 10...Rb8 11.Nbd2 (11.a3 Bc5 12.Nbd2 d4 13.Nd4 Nd4 14.Bd4 Bd4+=; 11.h3 Bc5 12.Nc3 d4 13.ed4 Nd4 14.Na4 Ba7+=; 11.Qc1 Qe7 12.Nc3 Bg4 13.a3 Bd6 14.h3 Bf5+=) 11...Qe7 12.Rb1 Bg4 13.c4 dc4 14.Nc4 b5=; C4) 10...Be6 11.Ng5 (11.a3 Bd6 12.Nbd2 b5 13.c4 dc4 14.dc4 Rb8=; 11.Nbd2 Qe7 12.a3 Bc5 13.Ng5 Bf5 14.Qf3 Qd7=) 11...Bd7 12.Nd2 Qe7 13.a3 Bd6 14.c4 Ne5=; C5) 10...Bd6 11.a3 (11.Re1 Qe7 12.Nbd2 Ne5 13.Ne5 Be5 14.Be5 Qe5=; 11.Nc3 b5 12.Ne2 Rb8 13.Qd2 Bg4 14.Rab1 Qe7+=; 11.Qd2 Qe7 12.Nc3 b5 13.Rfe1 Be6 14.Rab1 Ne5=; 11.Qc1 Qe7 12.Nbd2 Rad8 13.Qb1 b6 14.c4 Nb4+=; 11.Nbd2 Qe7 12.Re1 Bg4 13.h3 Be6 14.c4 dc4=; 11.a4 b6 12.Nc3 Qe7 13.Ng5 Nb4 14.a5 b5+=) 11...Qe7 12.Nbd2 b5 13.Nh4 Be6 14.c4 bc4=; C6) 10...b5 11.a4 (11.Nbd2 Qe7 12.Rb1 Rad8 13.Re1 Bg4 14.h3 Bf3+=; 11.Nc3 Bd6 12.Ne2 Rb8 13.Nf4 Ne5 14.Ne5 Be5+=) 11...Qd6 12.ab5 ab5 13.Nc3 Bc3 14.Bc3 b4=; C7) 10...Qe7 11.Nc3 (11.Nbd2 Rad8 12.a3 Bd6 13.Qb1 b5 14.Nh4 Be6+=; 11.a3 Bd6 12.Nc3 Rad8 13.Re1 Bg4 14.h3 Be6=; 11.h3 Rad8 12.Nbd2 b6 13.Rb1 Ba3 14.Ba3 Qa3+=) 11...Rad8 12.Qd2 Qe6 13.a3 Bc5 14.Ne2 Qe7=.

9.e3 Rb8 A) 10.Nc3 A1) 10...Qd7 11.Ne2 (11.Nb5 a6 12.Bf6 ab5 13.Bb2 Ra8 14.Qe2 Ra5+=; 11.d3 d4 12.Ne2 de3 13.Bf6 gf6 14.a3 ef2+=; 11.Rb1 Ne4 12.Ne2 Bg4 13.c3 Bd6 14.Qc2 Nc5+=) 11...Be7 12.Nf4 Qd6 13.d3 b5 14.Rb1 Bg4=; A2) 10...a6 11.a3 (11.Ne2 Bd6 12.d3 b5 13.Nf4 Bf4 14.gf4 Qd6+=; 11.Rb1 b5 12.Ne2 Bd6 13.d3 b4 14.c3 a5+=; 11.Qb1 Qd7 12.a3 Bd6 13.Ne2 Ne5 14.Ne5 Be5+=; 11.d3 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Qd2 Qg4+=) 11...Bc5 12.Ne2 b5 13.Nf4 d4 14.Nd3 Bd3=; A3) 10...Ne4 11.Nb1 (11.Ne4 de4 12.Nd4 Nd4 13.Bd4 b6 14.c3 Bf8+=; 11.Ne2 Bg4 12.c3 Bd6 13.d3 Ng5 14.Ng5 Qg5+=) 11...Bg4 12.a3 Be7 13.d3 Bf6 14.Qc1 Nd6+=; B) 10.a3 B1) 10...Bc5 11.Nc3 (11.Re1 d4 12.ed4 Re1 13.Qe1 Nd4 14.Bd4 Bd4+=) 11...b5 12.Ne2 Na5 13.Nfd4 Bd7 14.Nb3 Nb3=; B2) 10...Bd6 11.Ra2 (11.Nc3 a6 12.d3 Qd7 13.Ne2 Qe7 14.Nf4 Bf4+=; 11.Re1 a6 12.d3 b5 13.Nbd2 a5 14.Nd4 Nd4+=; 11.d3 Bg4 12.h3 Bd7 13.Nc3 b5 14.Na2 a5+=) 11...Qe7 12.Nd4 Be4 13.Be4 de4 14.Nc6 bc6=; B3) 10...Be7 11.Nc3 (11.d3 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.Re1 b5+=; 11.Re1 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.d3 b5+=) 11...d4 12.ed4 Nd4 13.Nd4 Qd4 14.Rb1 Qd7+=; C) 10.d3 C1) 10...Qe7 11.Nbd2 (11.a3 Bd6 12.Nbd2 b5 13.Nd4 Nd4 14.Bd4 Be5+=; 11.Nc3 a6 12.Qd2 Bc5 13.Rab1 b5 14.Ne2 Rbd8+=; 11.h3 Bd6 12.Nc3 b5 13.a4 ba4 14.Na4 Nb4+=) 11...Bg4 12.Rb1 a6 13.c4 dc4 14.Nc4 b5=; C2) 10...Be6 11.Nbd2 (11.Nc3 Qe7 12.a3 Bc5 13.Nb5 Rbc8 14.Rb1 Bg4=; 11.a3 Bc5 12.Nc3 b5 13.Ne2 Bd6 14.Qd2 Bg4+=) 11...Qe7 12.a3 Bc5 13.Ng5 Bf5 14.Re1 Qd6=; C3) 10...a6 11.Nbd2 (11.a3 Bd6 12.Nc3 Be6 13.Qd2 b5 14.Ng5 Bd7+=; 11.h3 Be7 12.Nc3 b5 13.Ne2 Qd6 14.Re1 a5+=; 11.Qc1 Qe7 12.Nc3 Bg4 13.Rb1 b5 14.Ne2 Bd6+=) 11...Qe7 12.Rb1 Bg4 13.c4 dc4 14.Nc4 b5=; C4) 10...Qd6 11.Nbd2 (11.Nc3 a6 12.Ne2 Bg4 13.Nf4 d4 14.h3 Bf3+=; 11.a3 Bc5 12.Nbd2 d4 13.Nc4 Qd8 14.Rb1 Be6=) 11...Qe7 12.Rb1 Be6 13.Ng5 Bd7 14.c4 Bd2=; C5) 10...Bg4 11.Nbd2 (11.h3 Be6 12.Nd4 Nd4 13.Bd4 c5 14.a3 cd4+=; 11.a3 Bd6 12.h3 Be6 13.Nc3 a6 14.Re1 Ne5+=) 11...Qe7 12.h3 Bf5 13.Re1 Rbd8 14.a3 Bc5=; C6) 10...a5 11.Nbd2 (11.h3 Be7 12.Nc3 b5 13.Ne2 a4 14.Rb1 b4+=; 11.a4 Be6 12.Nc3 Be7 13.Rb1 Qd7 14.Nb5 Bg4=; 11.a3 Bc5 12.Re1 b5 13.Nbd2 Bd6 14.Nd4 Nd4+=; 11.Nc3 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Na4 Qd7+=; 11.Qc1 Bc5 12.Nc3 b5 13.Ne2 Qd6 14.Ned4 Bg4+=) 11...Qe7 12.a3 Bd6 13.Nh4 Be6 14.c4 dc4=; C7) 10...Be7 11.Re1 (11.a3 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.Re1 b5+=; 11.Nc3 Qd7 12.Re1 Bh3 13.Bh3 Qh3 14.Rb1 b5+=; 11.Nbd2 Qd7 12.Rb1 Bh3 13.Bh3 Qh3 14.c4 dc4+=; 11.Qd2 Qd7 12.Nc3 Bh3 13.Rab1 Bg2 14.Kg2 b5+=; 11.h3 Qd6 12.Nc3 b5 13.Ne2 a5 14.Rb1 b4+=; 11.a4 Qd7 12.Nc3 Bg4 13.Rb1 d4 14.Nb5 de3+=) 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 a5+=.

9.e3 Qd6 A) 10.Nc3 A1) 10...Qd7 11.Rb1 (11.Ne2 Be7 12.Nf4 Rab8 13.Rb1 a5 14.d3 a4=; 11.d3 Bg4 12.Ne2 Be7 13.Nf4 Nh5 14.Nh5 Bh5+=; 11.a3 Bd6 12.Rb1 Bg4 13.d3 a6 14.Ne2 Qe7=; 11.Nb5 Be7 12.Rb1 a6 13.Nc3 Bh3 14.Ne2 Bg2+=) 11...Ne4 12.Ne2 Bh3 13.Bh3 Qh3 14.d3 Nd6=; A2) 10...Qe7 11.Rb1 (11.d3 a6 12.a3 Bd6 13.Re1 Bg4 14.h3 Be6=; 11.a3 Bc5 12.Nb5 Rac8 13.Nh4 Be6 14.Qf3 Ne4+=; 11.Nb5 Ba5 12.Rb1 Rab8 13.Bf6 Qf6 14.Nfd4 Be4+=; 11.Re1 Qc5 12.a3 Ba5 13.Rb1 Ne4 14.Ne4 Be4+=; 11.Ne2 Rad8 12.Rb1 b6 13.d3 Bd6 14.Qd2 Ne5+=; 11.Qb1 Rad8 12.a3 Ba5 13.Ne2 Bg4 14.d3 Bb6=) 11...a6 12.Ne2 Rab8 13.Nf4 Be6 14.Ng5 Red8=; A3) 10...Rac8 11.Nb5 (11.a3 Ba5 12.d3 Bg4 13.h3 Bd7 14.Ne2 Rcd8=; 11.d3 Qe7 12.a3 Bd6 13.Nb5 Bc5 14.Re1 Bd7=) 11...Qe7 12.Rb1 a6 13.Nbd4 Nd4 14.Bd4 Nd7=; A4) 10...a6 11.Ne2 (11.d3 Rab8 12.Ne2 Bg4 13.Nf4 Ne5 14.Be5 Re5+=; 11.Rb1 Rad8 12.a3 Bc5 13.Re1 Na5 14.a4 Nc4+=; 11.a3 Bc5 12.d4 Bb6 13.Na4 Ba7 14.Nc5 Bc5+=) 11...Rad8 12.a3 Bc5 13.d3 Bg4 14.h3 Bf3=; B) 10.d3 B1) 10...Bg4 11.Nbd2 (11.h3 Bf5 12.a3 Bc5 13.Nbd2 Qe7 14.Nb3 Bd6=; 11.a3 Bc5 12.h3 Bf5 13.Nbd2 Qe7 14.Nb3 Bd6=) 11...Qe6 12.h3 Bh5 13.Rb1 Rab8 14.g4 Bg6=; B2) 10...a6 11.a3 (11.Nbd2 Ba3 12.Ba3 Qa3 13.Qb1 b5 14.Qb3 Qd6+=; 11.Nc3 Rab8 12.Ne2 Bg4 13.Nf4 d4 14.h3 Bf3+=) 11...Bc5 12.Nbd2 Qe7 13.Ra2 Rad8 14.Qa1 Nh5=; B3) 10...Qe7 11.a3 (11.Nc3 a6 12.a3 Bd6 13.Re1 Bg4 14.h3 Bd7=; 11.Nbd2 Rab8 12.a3 Bd6 13.Nh4 Be6 14.c4 dc4=) 11...Bd6 12.Nbd2 a6 13.Nh4 Be6 14.c4 dc4=; B4) 10...Rab8 11.Nbd2 (11.Nc3 a6 12.Ne2 Bg4 13.Nf4 Ne5 14.a3 Ba5+=; 11.a3 Bc5 12.Nbd2 d4 13.Nc4 Qd8 14.Rb1 b5+=) 11...Qe7 12.Rb1 Be6 13.c4 dc4 14.Nc4 b5=; B5) 10...Qe6 11.a3 (11.Nbd2 Bg4 12.h3 Bh5 13.Rb1 Nd7 14.a3 Ba5=) 11...Bc5 12.Nbd2 Ng4 13.Re1 Qd7 14.Nb3 Be7=; B6) 10...Rad8 11.Nbd2 (11.a3 Bc5 12.Nbd2 Qe7 13.Qb1 b6 14.Bc3 Ba3=; 11.Nc3 Qe7 12.a3 Bc5 13.Qb1 Rb8 14.Nb5 Bb6=; 11.h3 Bc5 12.Nbd2 d4 13.ed4 Nd4 14.Bd4 Bd4+=) 11...Qe7 12.a3 Bd6 13.Qb1 Nd7 14.Re1 Be6=; B7) 10...Bc5 11.Nc3 (11.Nbd2 Rab8 12.Rb1 Ba3 13.Qc1 Bb2 14.Qb2 b5+=) 11...a6 12.Rb1 b6 13.Ne2 Rad8 14.Qd2 Bg4+=; C) 10.a3 C1) 10...Bc5 11.d4 (11.d3 d4 12.ed4 Nd4 13.Nd4 Bd4 14.Bd4 Qd4+=; 11.Nc3 a6 12.Ne2 Rad8 13.d3 b5 14.Ra2 Ng4=; 11.Re1 d4 12.ed4 Re1 13.Qe1 Nd4 14.Bd4 Bd4-/+) 11...Bb6 12.Nbd2 Qd7 13.c4 Bd3 14.cd5 Nd5=; C2) 10...Ba5 11.d3 (11.Nc3 a6 12.d3 b5 13.Ne2 Rad8 14.a4 b4+=) 11...Ne7 12.Nbd2 Bb6 13.Ne5 Rad8 14.Rb1 Qe6=.

9.e3 Bd6 A) 10.Nc3 A1) 10...Qd7 11.a3 (11.d3 Be7 12.Rb1 Bh3 13.Bh3 Qh3 14.Ne2 Rab8=; 11.Nb5 Be7 12.Rb1 a6 13.Nc3 Bh3 14.Bh3 Qh3+=; 11.Ne2 Ne4 12.d3 Nc5 13.Rb1 Bg4 14.Ba3 b6=; 11.Rb1 Bg4 12.Nb5 Be7 13.h3 Be6 14.Ne5 Ne5+=; 11.Re1 Bg4 12.Rb1 Ne5 13.Ne5 Be5 14.f3 Be6+=; 11.Rc1 Bg4 12.Rb1 Ne5 13.Ne5 Be5 14.Ne2 Bb2+=) 11...Be5 12.Ne5 Ne5 13.Ne2 Qa4 14.d3 c5=; A2) 10...a5 11.Rb1 (11.a3 Bg4 12.Nb5 Be7 13.h3 Bf5 14.d3 Qc8=; 11.Nb5 Be7 12.Ne5 a4 13.Nc6 bc6 14.Nd4 Bd7=; 11.d3 a4 12.Nb5 Be7 13.Rb1 Qd7 14.a3 Ra5=; 11.a4 Nb4 12.d3 c6 13.Ne2 b6 14.Ned4 Bg6=; 11.Re1 a4 12.Nb5 Be7 13.d3 Ra6 14.Rb1 Rb6=) 11...a4 12.Nb5 Be7 13.a3 Qd7 14.Ne5 Ne5=; A3) 10...a6 11.Rb1 (11.d3 b5 12.Rb1 b4 13.Ne2 Rb8 14.c3 a5+=; 11.Re1 b5 12.d3 b4 13.Ne2 Bg4 14.Rc1 Rb8+=) 11...b5 12.d3 b4 13.Ne2 Rb8 14.c3 a5+=; B) 10.d3 B1) 10...Bg4 11.Nbd2 (11.h3 Be6 12.Nbd2 Rb8 13.Ng5 Bd7 14.c4 Ne5=) 11...Ne5 12.h3 Nf3 13.Nf3 Bh5 14.c4 dc4=; B2) 10...a6 11.Nbd2 (11.Re1 Qe7 12.Nbd2 Be6 13.Qb1 Rab8 14.a3 b5=; 11.Nc3 b5 12.Ne2 Rb8 13.Re1 Bb4 14.Rf1 Be7+=; 11.Qd2 Rb8 12.Nc3 b5 13.Rab1 Qe7 14.Rfe1 Be6+=; 11.a3 Qe7 12.Nc3 Rad8 13.Re1 Bg4 14.h3 Be6+=; 11.a4 b6 12.Nbd2 Be6 13.c4 Nb4 14.Qe2 c5+=) 11...Rb8 12.Re1 Bg4 13.h3 Be6 14.Rb1 Qe7=; B3) 10...Be6 11.Nbd2 (11.Nc3 a6 12.Qd2 Qe7 13.Rab1 b5 14.Rfe1 Rab8+=; 11.Re1 Qe7 12.Nbd2 Rab8 13.a3 a6 14.c4 dc4=; 11.h3 Qe7 12.Nc3 a6 13.Ne2 Rad8 14.Rb1 b5+=; 11.a3 Qe7 12.Nbd2 Rad8 13.Qb1 Nd7 14.Re1 Nb6+=) 11...Rb8 12.Rb1 Qe7 13.Ng5 Be5 14.Ne6 Qe6=; B4) 10...Nb4 11.a3 (11.Nc3 c5 12.Nb5 Bb8 13.a3 Nc6 14.c4 dc4+=; 11.Nbd2 c5 12.a3 Nc6 13.Nh4 Be6 14.c4 Be5+=; 11.Qd2 c5 12.Nc3 Qd7 13.Rab1 Bg4 14.Ne2 Qe6+=; 11.Re1 c5 12.Nc3 Bg4 13.h3 Be6 14.Ng5 Be5=) 11...Na6 12.Nbd2 Rb8 13.h3 Nc5 14.Nh4 Be6=; B5) 10...Na5 11.Nbd2 (11.Qd2 c6 12.Bc3 Bc7 13.Bd4 b6 14.Qc3 Nh5=; 11.Nc3 c6 12.Qd2 Bg4 13.h3 Bf3 14.Bf3 Be5=) 11...c6 12.Re1 Bg4 13.h3 Bd7 14.Rb1 Be7=; B6) 10...Qe7 11.Re1 (11.Nc3 a6 12.Rb1 Rad8 13.Ne2 b6 14.Ned4 Nd4=; 11.Nbd2 Rad8 12.Re1 Bg4 13.h3 Be6 14.Qb1 b6=; 11.a3 Rad8 12.Nbd2 b5 13.Nh4 Be6 14.c4 bc4=; 11.h3 Rad8 12.Nbd2 b6 13.Re1 Be6 14.Ng5 Ba3=) 11...Ne5 12.Nbd2 c6 13.Rb1 Bg4 14.h3 Nf3=; B7) 10...Rc8 11.Nc3 (11.Re1 Ne5 12.Ne5 Be5 13.Be5 Re5 14.Nd2 c6+=; 11.Nbd2 Qe7 12.Re1 Ne5 13.Qb1 Rb8 14.Ne5 Be5+=) 11...a6 12.Rb1 b5 13.Ne2 Bg4 14.Qd2 Qe7=.

9.e3 Qe7 10.a3 A) 10...Bd6 11.Re1 (11.Nc3 a6 12.d3 Bg4 13.h3 Be6 14.Qd2 b5+=; 11.Bf6 Qf6 12.Nc3 Be4 13.d4 Qh6 14.Ne4 de4=; 11.d3 Rad8 12.Nbd2 b5 13.Nh4 Be6 14.c4 bc4=; 11.Ra2 Rad8 12.Nd4 Nd4 13.Bd4 Be4 14.Nc3 Bg2+=) 11...Bg4 12.h3 Bh5 13.Nc3 Qd7 14.g4 Bg6=; B) 10...Bc5 11.Re1 (11.Nc3 a6 12.d3 Rad8 13.Re1 b5 14.Ne2 Bg4+=; 11.d3 Rad8 12.Nbd2 a6 13.Ra2 Ng4 14.Qa1 f6=) 11...Bg4 12.h3 Be6 13.d3 Rad8 14.Nbd2 a6=.

9.e3 Qe7 10.Nc3 Rad8 (10...a6 11.d3 (11.Rb1 Rad8 12.Ne2 b6 13.Bf6 Qf6 14.Nfd4 Nd4+=; 11.a3 Bd6 12.d3 Rad8 13.Qd2 b5 14.Rfe1 Bg4+=; 11.Re1 Rad8 12.d3 Bg4 13.a3 Ba5 14.Qc1 b5+=; 11.Qb1 Rad8 12.d3 Bg4 13.a3 Bd6 14.Qa2 Bc5+=; 11.Rc1 Rad8 12.d3 Be6 13.Rb1 b6 14.h3 Ba3+=; 11.Ne2 Rad8 12.Rb1 b6 13.Bf6 Qf6 14.Ned4 Nd4+=) 11...Rad8 12.a3 Bd6 13.Qd2 b5 14.Rfe1 Bg4=; 10...Rab8 11.Nb5 (11.d3 a6 12.Qd2 Bg4 13.a3 Bc5 14.Rfe1 b5+=; 11.a3 Bc5 12.Nb5 Rbc8 13.Nh4 Be6 14.Qf3 Ne4+=; 11.Re1 Qc5 12.a3 Ba5 13.h3 a6 14.Nh4 Bd7+=) 11...Ba5 12.Ba3 Qd8 13.Bb2 a6 14.Nbd4 Nd4+=; 10...Be6 11.d3 (11.Nb5 Rac8 12.Rb1 Ne4 13.d3 Nd6 14.Nbd4 Nd4=; 11.Ng5 Bd7 12.f4 h6 13.Nf3 Bc5 14.Nb5 Rac8+=; 11.Rb1 Ne4 12.Ne2 Bg4 13.c3 Bc5 14.h3 Bf3+=; 11.a3 Ba5 12.Qe2 Rad8 13.Qb5 Bb6 14.Na4 a6+=; 11.Ne2 Bd6 12.Rb1 Rab8 13.Nf4 Bf4 14.ef4 Qd8+=) 11...Bg4 12.h3 Bd7 13.Rb1 a6 14.Ne2 Bd6=; 10...Bc5 11.Re1 (11.Rb1 Nb4 12.d3 c6 13.Qd2 b5 14.Ne2 Bg4=; 11.d3 Rad8 12.Rb1 Bg4 13.h3 Bc8 14.Nb5 Bb6=; 11.a3 Rad8 12.Qb1 Na5 13.d3 b6 14.Re1 c6+=; 11.Nb5 Rac8 12.Re1 Bg4 13.h3 Bh5 14.g4 Bg6=; 11.Ne2 Rad8 12.Rb1 b6 13.d3 a6 14.Nf4 Qd6=) 11...Nb4 12.d3 c6 13.Na4 Nd7 14.a3 Na6=; 10...Rac8 11.Rb1 (11.d3 Rcd8 12.a3 Bc5 13.Qb1 Rb8 14.Nb5 Bb6=; 11.a3 Bc5 12.d3 Bg4 13.h3 Be6 14.Qb1 Nd8+=; 11.Re1 Qc5 12.a3 Ba5 13.Rb1 Ne4 14.Ne4 Be4+=; 11.Qb1 Bg4 12.a3 Bd6 13.d3 Qd7 14.Ne2 Qf5+=) 11...Bd6 12.Nh4 Be6 13.f4 d4 14.Bc6 bc6=; 10...Bg4 11.h3 (11.Rb1 Qd7 12.Ne2 Ne4 13.c3 Bd6 14.d3 Nc5+=; 11.a3 Bc3 12.Bc3 Ne4 13.Bb2 Ne5 14.Be5 Bf3+=; 11.Nb5 Ne4 12.c3 Bc5 13.d4 Bb6 14.h3 Bf5+=) 11...Bf3 12.Bf3 Rad8 13.Bg2 Ne5 14.Nb5 a6=) 11.a3 (11.d3 a6 12.a3 Bd6 13.Qd2 Be6 14.Ng5 Bg4+=; 11.Ne2 Bg4 12.d3 a6 13.h3 Bf3 14.Bf3 Ba3=; 11.Nb5 a6 12.a3 ab5 13.ab4 Nb4 14.Nd4 Be4+=; 11.Rb1 Ne4 12.Ne2 Bg4 13.c3 Bc5 14.h3 Bf3+=) 11...Ba5 (11...Bc5 12.d3 Bg4 13.h3 Be6 14.Qb1 Nh5=) 12.d4 (12.d3 a6+= 13.Rb1 b5 14.Re1 Qd6+=) 12...Ne4 (12...a6 13.Ne2 Ne4 14.Nf4 b5+=) 13.Ne4 (13.Nh4 Bc8 14.Ne4 de4+=) 13...Be4 (13...Qe4 14.c4 Qe6= (14...Qc2 15.Qc2 Bc2 16.cd5+/–)) 14.c3 (14.Qe2 Qf6+=) 14...Bb6 (14...Qf6+=) 15.Qe2 Qf6 16.Rfe1 a6 17.Rac1 Qg6 (17...Ba5 18.Nd2 Bg2 19.Kg2+=) 18.Rcd1 (18.Nh4 Qg5=) 18...Qg4 19.a4 Qd7 20.Rd2 (20.c4 Ba5 21.Rf1 Qe7+=) 20...h6 (20...f6 21.Ba3+=) 21.Ba3 Na5 22.Qd1 (22.Ne5 Qa4 23.Ra2 Qb3+=) 22...Nc4 23.Ra2 Qf5 24.Nh4 Qe6 25.Nf3 a5 26.Ra1 Na3 (26...Qg6 27.Nd2 Bc2 28.Qc1 Nd2 29.Qd2 Ba4 30.Be7 Re7 31.Ra4+=) 27.Ra3+= Qd6 28.Qb3 Qe7 29.Raa1 Qe6 30.Qb5 Qf5 (30...Re7 31.Nd2 Bg2 32.Kg2=) 31.Nh4 (31.Ne5 Re6=) 31...Qd7 32.Be4 de4 33.c4 Qb5 34.ab5 c5 35.bc6 bc6 36.Nf5 Kf8 (36...Rd7!?=) 37.Reb1+= Bc7 38.Rb7 +=. Psion – Psion, 4 Min/Zug, 1990.

9.e3 Qe7 10.d3 A) 10...a6 11.h3 (11.Nc3 Rad8 12.Qd2 Bg4 13.a3 Bd6 14.h3 Bf3+=; 11.Nbd2 Rad8 12.Rb1 b6 13.Re1 Bd6 14.e4 de4+=; 11.a3 Bd6 12.Nc3 Rad8 13.Qd2 Be6 14.Ng5 Bg4+=; 11.Bc3 Bd6 12.Qc1 Ne5 13.Nbd2 b5 14.Qb2 Ned7+=; 11.Qe2 Bd6 12.Nbd2 Rab8 13.Rfb1 b5 14.Nb3 b4+=) 11...Be6 12.Nbd2 Rad8 13.Qb1 b6 14.a3 Bc5=; B) 10...Be6 11.Nbd2 (11.a3 Bc5 12.Nbd2 Rab8 13.c4 dc4 14.Nc4 Nd5=; 11.Nc3 a6 12.Rb1 b6 13.Ng5 Bd7 14.Ne2 Ba3+=) 11...Bd6 12.Qb1 Rab8 13.c4 dc4 14.Nc4 Bc5=; C) 10...Bg4 11.Nbd2 (11.a3 Bd6 12.h3 Bh5 13.Nbd2 Ne5 14.Qb1 Nf3=; 11.h3 Be6 12.Nbd2 Bd6 13.Qb1 Rab8 14.c4 Nd7=) 11...Rad8 12.h3 Bf5 13.a3 Bd6 14.Qb1 Nd7=; D) 10...Rad8 11.Nc3 (11.Nbd2 Bg4 12.h3 Bf5 13.Rb1 b6 14.Nb3 Bd7+=; 11.a3 Bd6 12.Nbd2 a6 13.Ra2 Be6 14.Nb3 Nd7+=; 11.h3 a6 12.Nbd2 Nd7 13.Nb3 Nb6 14.Nbd4 Nd4+=) 11...a6 12.Qd2 b6 13.a3 Bd6 14.Rfe1 Qd7=; E) 10...Qe6 11.Nbd2 (11.a3 Be7 12.Nbd2 Rad8 13.Re1 b5 14.Nb3 a6+=; 11.Bc3 Bg4 12.Bb4 Nb4 13.c3 Bf3 14.Bf3 Nc6+=) 11...Rad8 12.Rb1 Nd7 13.Nb3 Bg4 14.h3 Bf3=; F) 10...Rac8 11.Nc3 (11.Nbd2 Rb8 12.Rb1 Be6 13.c4 dc4 14.Nc4 b5=; 11.a3 Bd6 12.Nbd2 Rcd8 13.Qb1 Nd7 14.Re1 Be6=; 11.h3 Rcd8 12.Nbd2 a6 13.Rb1 b6 14.Re1 b5+=) 11...a6 12.Ne2 Rcd8 13.Rb1 b5 14.Nf4 Be6=; G) 10...Rab8 11.Nc3 (11.a3 Bd6 12.Nc3 a6 13.Re1 Qd7 14.Ne2 Ne5+=; 11.Nbd2 Bg4 12.h3 Bf5 13.Qe2 Bd6 14.Rab1 b5+=; 11.h3 Bd6 12.Nbd2 a6 13.Rb1 b5 14.Nb3 Bd7+=; 11.Bc3 Bc3 12.Nc3 b5 13.Ne2 Bg4 14.d4 Bf5+=) 11...a6 12.a3 Bd6 13.Re1 Qd7 14.Ne2 Ne5+=.

9.e3 Be7 A) 10.Nc3 A1) 10...Bg4 11.Rb1 (11.h3 Bf3 12.Qf3 Ne5 13.Qf5 Nc4 14.Bc1 c6+=; 11.Re1 Qd7 12.Rb1 Qf5 13.Nb5 Rac8 14.Nbd4 Nd4+=; 11.a3 Qd7 12.Rb1 Rab8 13.d3 d4 14.ed4 Nd4+=; 11.a4 Qd7 12.a5 a6 13.Ne2 Rad8 14.Ne5 Ne5+=; 11.Ne2 Qd6 12.Rb1 Rab8 13.Nf4 Nh5 14.Nd3 Qe6+=) 11...Qd7 12.Ne2 Qf5 13.Nf4 g5 14.Nd3 Ne4=; A2) 10...d4 11.ed4 (11.Nd4 Nd4 12.ed4 Qd4 13.Rb1 c6 14.Nd5 Qa4=) 11...Rb8 12.Re1 Bg4 13.Ne2 Bd6 14.h3 Bf5+=; A3) 10...Qc8 11.Rb1 (11.Ne2 Bh3 12.Rb1 Bg2 13.Kg2 Rb8 14.Nf4 Qd7+=; 11.d3 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.Ne2 Qf5+=; 11.Re1 Bh3 12.e4 Bg2 13.Kg2 Qd7 14.e5 Ng4+=; 11.Nb5 a6 12.Nbd4 Nd4 13.Nd4 Bg4 14.Ne2 b5+=; 11.a4 Bh3 12.Bh3 Qh3 13.Rb1 b6 14.Ne2 Ne4+=; 11.a3 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.Ne2 Qf5+=) 11...Qd7 12.Ne2 Rab8 13.Nf4 a5 14.d3 a4=; A4) 10...a6 11.Re1 (11.Rb1 b5 12.Ne2 Qd6 13.d3 b4 14.c3 Rab8=; 11.Ne2 Qd6 12.Rb1 b5 13.d3 b4 14.c3 Rab8=; 11.a3 Qd6 12.Rb1 Rad8 13.d3 b5 14.Na2 Na7+=; 11.d3 Qd7 12.Ne2 Bh3 13.Bh3 Qh3 14.Nf4 Qd7+=; 11.a4 Qd7 12.Ne2 Bh3 13.Bh3 Qh3 14.Bf6 Bf6+=) 11...b5 12.d3 Rb8 13.e4 de4 14.de4 Be6=; A5) 10...Qd7 11.Rb1 (11.Ne2 Bh3 12.Bh3 Qh3 13.Bf6 Bf6 14.d4 Qf5+=; 11.d3 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.Ne2 b6+=; 11.Re1 Bh3 12.Rb1 Bg2 13.Kg2 Rad8 14.Ne2 Rb8=; 11.a3 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.Ne2 Qf5+=; 11.a4 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.d3 a6+=; 11.Nb5 Bg4 12.h3 a6 13.hg4 ab5 14.Nh4 Qe6+=) 11...Nb4 12.d3 c5 13.Ne5 Qe6 14.a3 Nc6=; A6) 10...Rb8 11.a3 (11.d3 Qd7 12.Rb1 b5 13.Ne2 Bh3 14.Bh3 Qh3+=; 11.Rb1 Qd7 12.d3 b5 13.Ne2 Bh3 14.Bh3 Qh3+=; 11.Re1 Qd7 12.d3 Bh3 13.Bh3 Qh3 14.Rb1 b5+=; 11.Ne2 Qd7 12.d3 Bh3 13.Nf4 Bg2 14.Kg2 a5+=; 11.Nb5 a6 12.Nc3 b5 13.Ne2 Qd7 14.Nf4 Nd8+=; 11.a4 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Rb1 c6+=) 11...d4 12.ed4 Nd4 13.Nd4 Qd4 14.Rb1 Qd7+=; B) 10.Re1 B1) 10...Qc8 11.d3 (11.Nc3 Bh3 12.e4 de4 13.Ne4 Ne4 14.Re4 Bf5+=; 11.Na3 Bh3 12.Bf6 Ba3 13.Bc3 Bg2 14.Kg2 b5+=; 11.a4 Nb4 12.d3 c5 13.Qd2 Bh3 14.a5 Bg2+=; 11.a3 Bh3 12.Bf6 Bf6 13.d4 Ne7 14.Nbd2 Bg2+=; 11.Re2 Bh3 12.Nc3 Bg2 13.Kg2 Qe6 14.Rb1 Rad8+=; 11.Ng5 Bg4 12.f3 Bd7 13.f4 Bg4 14.Qc1 h6+=) 11...Bh3 12.Nbd2 Bg2 13.Kg2 Qe6 14.e4 de4+=; B2) 10...Qd6 11.Nc3 (11.d3 Qb4 12.Ba3 Qa5 13.Be7 Re7 14.Qd2 Rae8=; 11.a3 Rad8 12.Nc3 a6 13.Rb1 b5 14.d3 Bg4+=; 11.a4 Nb4 12.d3 c6 13.Nbd2 Rad8 14.Be5 Qe6=) 11...Bg4 12.Rb1 Qd7 13.Ne2 Rab8 14.Nf4 Nh5=; B3) 10...Bg4 11.d3 (11.Nc3 Qd7 12.Rb1 Qf5 13.Nb5 Rac8 14.Nbd4 Nd4+=; 11.h3 Be6 12.d3 Qd7 13.g4 h5 14.g5 Nh7+=; 11.a3 Qd7 12.d3 Rad8 13.Nbd2 Qf5 14.Rb1 b6+=; 11.Na3 Ne4 12.h3 Bf3 13.Qf3 Bb4 14.Nb1 Qg5+=; 11.Re2 Ne4 12.h3 Bf6 13.Qc1 Bf3 14.Bf3 Ne5+=; 11.a4 Ne4 12.d3 Bf6 13.Qc1 Bb2 14.Qb2 Bf3+=) 11...Qd7 12.Nbd2 Qf5 13.Rb1 Bb4 14.h3 Bh3=; B4) 10...a5 11.a3 (11.Nc3 a4 12.a3 Qd7 13.Rb1 Ne4 14.Nb5 Bg4+=; 11.d3 b5 12.a4 b4 13.Nbd2 Rb8 14.Nb3 Qd6=; 11.a4 Ra6 12.Nc3 Rb6 13.Rb1 Ne4 14.Ba1 Nb4+=) 11...Qd6 12.Nc3 Qd7 13.Rb1 Rab8 14.Nb5 Bg4=; B5) 10...Nb4 11.d3 (11.Nd4 Bg4 12.Bf3 Qd7 13.Bc3 Na6 14.Bg4 Ng4+=) 11...c5 12.Nc3 Be6 13.Rb1 Qd6 14.a3 Nc6=; B6) 10...a6 11.d3 (11.Nc3 Qd7 12.Rb1 Bh3 13.Ne2 Bg2 14.Kg2 Rab8+=; 11.a3 Qd6 12.d3 Rad8 13.Nc3 Qd7 14.Rb1 Bh3+=) 11...Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 b5+=; B7) 10...Qd7 11.Nc3 (11.d3 Bh3 12.Nbd2 Bg2 13.Kg2 Rab8 14.e4 de4+=) 11...Bh3 12.Rb1 Bg2 13.Kg2 Rab8 14.Ne2 b5+=; C) 10.a3 C1) 10...Qc8 11.d3 (11.Nc3 Bh3 12.Bh3 Qh3 13.Ne2 Qf5 14.Nf4 b5+=; 11.Re1 Bh3 12.Bf6 Bf6 13.d4 Bg2 14.Kg2 Ne7+=) 11...Bh3 12.Bh3 Qh3 13.Nbd2 Rab8 14.c4 dc4+=; C2) 10...Rb8 11.Nc3 (11.d3 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.Re1 b5+=; 11.Re1 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.d3 b5+=) 11...d4 12.ed4 Nd4 13.Nd4 Qd4 14.Rb1 Qd7+=; C3) 10...a6 11.Re1 (11.d3 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.c4 dc4+=; 11.Nc3 Qd6 12.d3 Rad8 13.Rb1 b5 14.Re1 Be6+=) 11...Qd6 12.d3 Rad8 13.Nc3 Bg4 14.h3 Be6=; C4) 10...Bg4 11.d3 (11.Nc3 Qd7 12.Rb1 Rab8 13.d3 d4 14.Nb5 de3+=; 11.h3 Be6 12.d3 Qd7 13.Ng5 Bf5 14.g4 Bg6+=; 11.Re1 Ne4 12.d3 Bf6 13.Ra2 Bb2 14.Rb2 Ng5+=; 11.Qe2 Qd7 12.Nc3 Qf5 13.Qd1 a6 14.d3 Rad8-/+) 11...Qd7 12.Nbd2 b5 13.c4 dc4 14.dc4 a6=; C5) 10...Qd6 11.Nc3 (11.d3 Rad8 12.Nc3 a6 13.Rb1 b5 14.Re1 Bg4+=) 11...Rad8 12.d3 a6 13.Rb1 b5 14.Re1 Be6+=; C6) 10...Na5 11.d3 (11.Ne5 Bd6 12.f4 c6 13.Bc3 Nc4 14.Nc4 dc4+=) 11...c5 12.Nbd2 Nc6 13.Re1 Qc7 14.e4 de4+=; C7) 10...Qd7 11.Nc3 (11.d3 Bh3 12.Bh3 Qh3 13.Nbd2 b5 14.a4 b4+=; 11.Re1 Bh3 12.Bh3 Qh3 13.d3 a6 14.Nbd2 Rad8+=) 11...Bh3 12.Bh3 Qh3 13.Ne2 Qf5 14.Nf4 b5+=; D) 10.a4 D1) 10...Qd7 11.d3 (11.a5 a6 12.d3 Rad8 13.Nbd2 Bh3 14.Bh3 Qh3+=; 11.Re1 Nb4 12.d3 Bh3 13.Bh3 Qh3 14.Nc3 c6+=; 11.Nc3 Bh3 12.Bh3 Qh3 13.Rb1 Rad8 14.Re1 a6+=; 11.Na3 Nb4 12.a5 c5 13.d3 Qa4 14.Ne5 Qa5-/+) 11...Bh3 12.Nbd2 Bg2 13.Kg2 Nb4 14.Ne5 Qf5+=; D2) 10...Qc8 11.Nc3 (11.a5 Nb4 12.d3 c5 13.Re1 Bh3 14.Bh1 Qf5+=; 11.d3 Bg4 12.Nc3 Qf5 13.Nb5 Rac8 14.Rb1 Bc5+=; 11.Na3 Bh3 12.Bh3 Qh3 13.Bf6 Bf6 14.d4 Qe6+=; 11.Re1 Bh3 12.Bh3 Qh3 13.Bf6 Bf6 14.d4 Be7+=) 11...Nb4 12.d3 c5 13.Ne5 Bd6 14.f4 Bh3+=; D3) 10...Qd6 11.d3 (11.Nc3 Bg4 12.h3 Bf5 13.d3 a6 14.Re1 Rad8+=; 11.Re1 Nb4 12.d3 c5 13.Nc3 Bg4 14.h3 Be6=) 11...Qe6 12.Nbd2 Rab8 13.Nb3 Bg4 14.h3 Bh5=; D4) 10...Nb4 11.d3 (11.Nd4 Bg4 12.f3 Bd7 13.Nc3 c5 14.Nb3 Bf5+=; 11.Na3 Qd7 12.a5 c5 13.d3 Qa4 14.Ne5 Qa5-/+) 11...c5 12.Nc3 Qa5 13.Re1 Rad8 14.Qd2 Ne4+=; E) 10.d3 E1) 10...Rb8 11.h3 (11.Re1 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 Qf5+=; 11.a3 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.Re1 a6+=; 11.Qd2 Qd7 12.Nc3 Bh3 13.Rfb1 Bg2 14.Kg2 b5+=; 11.Nc3 b5 12.Ne2 Qd6 13.Nf4 a6 14.a3 a5+=; 11.a4 Qd7 12.Nc3 Bh3 13.Bh3 Qh3 14.Re1 Qh5+=; 11.Nbd2 Qd7 12.Rb1 Bh3 13.Bh3 Qh3 14.c4 Qf5=) 11...Qd6 12.Nc3 a6 13.Re1 Be6 14.Ne2 b5=; E2) 10...Qd6 11.Re1 (11.Nc3 Rad8 12.Rb1 a6 13.a3 b5 14.Re1 Bg4+=; 11.a3 Rad8 12.Nc3 a6 13.Rb1 b5 14.Re1 Qd7+=; 11.Nbd2 Rab8 12.Rb1 a6 13.Re1 Qd7 14.Nb3 Bg4+=; 11.Ba3 Qe6 12.Be7 Re7 13.Nbd2 b6 14.Qb1 Qd6+=; 11.h3 Rad8 12.g4 Bc8 13.Nc3 a6 14.Rb1 Be6=) 11...Qb4 12.Ba3 Qa5 13.Be7 Re7 14.Qd2 Rae8=; E3) 10...Be6 11.Nbd2 (11.a3 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rb1 Rab8+=; 11.Re1 Qd6 12.Nc3 a6 13.Rb1 b5 14.Ne2 Rad8=; 11.Nc3 Qd7 12.Rb1 Bh3 13.Bh3 Qh3 14.Ne2 Rab8=; 11.a4 Nb4 12.Nbd2 c5 13.Qb1 Rb8 14.Ng5 Bf5+=; 11.Qd2 Qd7 12.Nc3 Bh3 13.Rab1 Rab8 14.Bh3 Qh3+=; 11.Qe2 Qd7 12.Nbd2 Bh3 13.Bh3 Qh3 14.Rab1 Ng4+=) 11...Rb8 12.Rb1 Qd6 13.c4 a6 14.Ng5 Bg4=; E4) 10...Qd7 11.Re1 (11.Nc3 Bh3 12.Bh3 Qh3 13.Rb1 Qf5 14.Nb5 Rac8+=; 11.Nbd2 Bh3 12.Bh3 Qh3 13.Rb1 Rab8 14.c4 dc4+=; 11.a3 Bh3 12.Bh3 Qh3 13.Nbd2 b5 14.c4 dc4+=; 11.a4 Bh3 12.Nc3 a6 13.Rb1 Bg2 14.Kg2 Rad8+=) 11...Bh3 12.Nbd2 Bg2 13.Kg2 Nb4 14.a3 Nc6=.

9.e3 Bg4

10.a3 A) 10...Bd6 11.h3 (11.Nc3 Ne5 12.Nb5 Nc4 13.Nd6 Qd6 14.Rb1 b5+=; 11.d3 Ne5 12.Nbd2 Qe7 13.h3 Bh5 14.g4 Bg6=; 11.Qc1 Qe7 12.Nc3 a6 13.Re1 Bf3 14.Bf3 Ne5+=; 11.Qe1 Bf3 12.Bf3 Ne5 13.Bg2 c6 14.d3 b5+=) 11...Bh5 12.g4 Bg6 13.Nc3 h6 14.Nb5 Be7=; B) 10...Bc5 11.h3 (11.Re1 Qe7 12.h3 Be6 13.Nc3 Rad8 14.Nb5 Rc8+=) 11...Bf5 12.Re1 Qd6 13.Nc3 Qd7 14.g4 Be6=; C) 10...Be7 11.d3 (11.h3 Be6 12.d3 Qd7 13.g4 Qd6 14.Nc3 a6+=; 11.Nc3 Qd7 12.Rb1 Rab8 13.Ne2 Bh3 14.Nf4 Bg2+=; 11.Re1 Ne4 12.d3 Bf6 13.Ra2 Bb2 14.Rb2 Qf6+=; 11.Qe2 Qd7 12.Nc3 Qf5 13.Qd1 a6 14.d3 Rad8-/+) 11...Qd7 12.Nbd2 a6 13.c4 dc4 14.Nc4 Qf5=.

10.d3 A) 10...Qe7 11.h3 (11.a3 Bd6 12.h3 Be6 13.Nbd2 Rad8 14.Qb1 b6=; 11.Nbd2 Rad8 12.h3 Bf5 13.Rb1 Be6 14.Qe2 Rb8=) 11...Bf3 12.Qf3 Ne5 13.Be5 Qe5 14.d4 Qe6=; B) 10...a6 11.h3 (11.a3 Bd6 12.h3 Be6 13.Nbd2 b5 14.c4 dc4=; 11.Nbd2 Qe7 12.Rb1 Rab8 13.c4 dc4 14.Nc4 b5=) 11...Be6 12.Nbd2 Qe7 13.Rb1 b5 14.Ng5 Bd7=; C) 10...Rb8 11.Nbd2 (11.h3 Be6 12.Nd4 Nd4 13.Bd4 c5 14.a3 cd4+=; 11.a3 Bd6 12.h3 Be6 13.Nc3 a6 14.Re1 Qd7=) 11...Qe7 12.c4 Bd2 13.cd5 Be3 14.dc6 Bg5=; D) 10...Rc8 11.a3 (11.Nbd2 Qe7 12.a3 Bc5 13.Qb1 Rb8 14.c4 Bf3=; 11.h3 Be6 12.Nbd2 Qe7 13.Qb1 Rb8 14.Rd1 a6=) 11...Bd6 12.h3 Be6 13.Nbd2 Qe7 14.c4 dc4=; E) 10...Bd6 11.Nbd2 (11.h3 Be6 12.Nbd2 Rb8 13.Ng5 Bd7 14.c4 Ne5=) 11...Rb8 12.h3 Be6 13.Ng5 Bd7 14.c4 Ne5=; F) 10...Qd6 11.Nbd2 (11.h3 Bh5 12.a3 Bc5 13.g4 Bg6 14.Nh4 d4=; 11.a3 Bc5 12.h3 Bf5 13.Nbd2 Qe7 14.Nb3 Bd6=) 11...Qe6 12.h3 Bh5 13.Rb1 Rab8 14.g4 Bg6=; G) 10...Ne5 11.Be5 Re5 12.h3 Bf3 13.Qf3 Qd7 14.c4 c6=.

10.Qe2 A) 10...Be7 11.h3 (11.Qd3 Ne4 12.a3 Bf6 13.Nd4 Nc5 14.Qb5 Qd6+=; 11.a3 Qd7 12.Qd3 Rad8 13.Ne5 Ne5 14.Be5 c6-/+; 11.Re1 Qd7 12.Nc3 Bb4 13.Nb5 Ne4 14.c3 Ba5-/+; 11.d3 Qd7 12.Nbd2 Qf5 13.Rab1 Rab8 14.c4 dc4+=; 11.Na3 Ba3 12.Ba3 Nd4 13.Qd1 Nf3 14.Bf3 Bf3+=; 11.a4 Qd7 12.Qb5 a6 13.Qd3 Nb4 14.Qc3 Bf3+=) 11...Bh5 12.Nc3 a6 13.d3 d4 14.Ne4 de3+=; B) 10...Bd6 11.h3 (11.Qb5 Nb4 12.Qa4 c6 13.Nd4 Qd7 14.f3 c5+=; 11.Qd3 Bf3 12.Bf3 Ne5 13.Be5 Be5 14.c3 Qd7+=; 11.Nc3 a6 12.Rfe1 Qd7 13.Rab1 Nd4 14.Qd1 Nf3+=) 11...Be6 12.d3 Qe7 13.Nbd2 Rab8 14.c4 b5+=; C) 10...a6 11.d3 (11.a3 Bc5 12.Qd3 Qd6 13.h3 Bf3 14.Bf3 Ne5+=; 11.h3 Bh5 12.d3 d4 13.g4 Bg6 14.Nfd2 Bc5+=) 11...Qe7 12.h3 Be6 13.Nbd2 Rad8 14.Rfb1 Bd6=; D) 10...Rb8 11.a3 (11.h3 Bf5 12.d3 Bc5 13.Nfd2 d4 14.Nb3 Bb6+=; 11.Qb5 a6 12.Qd3 Bd6 13.h3 Bf3 14.Bf3 Be5+=) 11...Bd6 12.h3 Bf5 13.d3 Qe7 14.Nbd2 b5=; E) 10...Qe7 11.h3 (11.a3 Bd6 12.h3 Bh5 13.c4 Be5 14.Be5 Ne5+=; 11.Qb5 a6 12.Qd3 Bf3 13.Bf3 Ne5 14.Be5 Qe5+=) 11...Bf5 12.d3 Rad8 13.Nbd2 a6 14.a3 Bd6+=; F) 10...Qd6 11.a3 (11.h3 Bf5 12.a3 Bc5 13.d4 Bb6 14.c4 dc4+=) 11...Bc5 12.h3 Bh5 13.g4 Bg6 14.d4 Bb6+=.

10.h3 Bc8 11.d3 (11.a3 Bd6 12.d3 Bf5 13.Nc3 a6 14.Ne2 b5=; 11.Nc3 Bf5 12.a3 Bd6 13.d3 a6 14.Ne2 b5=; 11.Qe2 Bd6 12.Qd3 Nb4 13.Qb3 Na6 14.Qa4 c6+=; 11.Re1 Bf5 12.a3 Be7 13.d3 Qc8 14.g4 Be6=; 11.Nd4 Ne5 12.Nf3 Ng6 13.d3 c6 14.Nbd2 Be7+=; 11.Qc1 Be6 12.d3 Rb8 13.Nd4 Nd4 14.Bd4 b6+=) 11...Be6 12.Nbd2 Qe7 13.Rb1 a5 14.Qc1 Rab8 =.

10.h3 Bd7 11.Qe2 (11.a3 Bd6 12.Nc3 a6 13.Ne2 b5 14.Nf4 Bf4=; 11.d3 Be6 12.Ng5 Bf5 13.Nd2 Nd7 14.Ngf3 Nb6=; 11.Re1 Be7 12.d3 Rb8 13.Nc3 b5 14.Ne2 Bb4=; 11.Nc3 Bf5 12.a3 Bd6 13.Nb5 Be7 14.Ne5 Qc8=) 11...Bd6 12.d3 Qe7 13.Nbd2 a5 14.c4 Nb4 =.

10.h3 Be6 11.Ng5 (11.a3 Be7 12.d3 Qd7 13.g4 Qd6 14.Nc3 a6+=; 11.Nc3 Qd7 12.Kh2 Rad8 13.Ne2 Ne4 14.d3 Nd6=; 11.Qe2 Qe7 12.a3 Bd6 13.Nc3 a6 14.Rfe1 Bf5+=; 11.d3 Qe7 12.Nbd2 Rab8 13.a3 Bc5 14.Nb3 Bd6=; 11.Nd4 Nd4 12.Bd4 Be7 13.Qf3 c5 14.Be5 Qd7+=) 11...Bd7 12.d3 Qe7 13.Nd2 Bd6 14.c4 Ne5 =.

10.h3 Bf5

11.a3 Ba5 12.Nc3 +=.

11.a3 Bc5 12.Re1 Qd6 13.Nc3 Qd7 14.g4 Be6.

11.d3 Qe7 12.Nbd2 Rab8 13.Qe2 Bd6 14.Rfb1 b5 +=.

11.g4 Be6 12.Ng5 Bd7 13.f4 Bc5 14.Nf3 d4 -/+.

11.Nh4 Be6 12.Qf3 Ne4 13.Nf5 f6 14.d3 Nd6 +=.

10.h3 Bh5

11.a3 Ba5 +=.

11.d3 Qe7 12.Nbd2 Rad8 13.a3 Bc5 14.g4 Bg6 =.

11.Qe2 Qd6 12.d3 d4 13.g4 Bg6 14.Nbd2 Rad8 +=.

11.g4 Bg6 12.Nh4 Na5 13.d3 c6 14.Ng6 fg6 =.

11.g4 Bg6 12.Nh4 a6 13.Ng6 (13.a3 Ba5+=) 13...hg6 14.a3 Be7 (14...Ba5 15.d3=) 15.Nc3 g5 16.Rb1 (16.f4 gf4 17.Rf4+=) 16...Ra7 (16...Qd6!?=) 17.f4+= gf4 18.g5 Ne4 19.Ne4 de4 20.Rf4 Bg5 21.Re4 Bh6 (21...Re4!? 22.Be4 Bf6+=) 22.Re8 +/–.

11.g4 Bg6 12.Nh4 Be4 13.Nf3 -/+.

7.Bg2 Bg4

8.0-0 a6 A) 9.d4 Ne4 (9...h6 10.c3 Bd6 11.Nbd2 b5 12.Re1 Re8 13.a4 Qd7 14.ab5 ab5; 9...Qe7 10.Nbd2 Bf5 11.a3 Ba5 12.c4 Rad8 13.Rc1 Rfe8 14.Ne5 Ne5; 9...Qd7 10.a3 Ba5 11.Nbd2 Rfe8 12.Nb3 Bb6 13.a4 Qd6 14.a5 Ba7; 9...h5 10.a3 Bd6 11.Nc3 Re8 12.Ng5 Bf5 13.Re1 h4 14.Bc1 Be7; 9...Re8 10.Ne5 Bf5 11.Nd2 Qe7 12.Ndf3 Ne4 13.Nc6 bc6 14.Ne5 Qf6) 10.c3 Ba5 11.Qb3 Re8 12.e3 Bb6 13.Qc2 Nd6 14.Nbd2 Bf5; B) 9.a3 Bd6 (9...Ba5 10.Nc3 Qd7 11.d4 Rfe8 12.Rb1 h6 13.Na4 b6 14.Nc3 Qf5; 9...Bc5 10.d4 Ba7 11.Qd3 g6 12.Nbd2 Re8 13.e3 Bf5 14.Qb3 Bb6; 9...Be7 10.d4 Re8 11.Nbd2 Bf5 12.Ne5 Bd6 13.Ndf3 Ne4 14.Nc6 bc6) 10.d3 h6 11.Nbd2 b5 12.h3 Bh5 13.Nh4 Re8 14.Ndf3 Bf3; C) 9.d3 Re8 (9...Qe7 10.a3 Ba5 11.Nbd2 Bb6 12.Nb3 Rfe8 13.e3 h6 14.Qd2 Rab8; 9...Qd6 10.c3 Ba5 11.Ba3 Qd7 12.Bf8 Rf8 13.Qc2 d4 14.Qb2 Bb6; 9...h6 10.Nbd2 Re8 11.Nb3 Qe7 12.a3 Bd6 13.Re1 a5 14.Nbd2 Ne5; 9...Qd7 10.a3 Be7 11.Nbd2 h6 12.Nb3 Rfe8 13.Qd2 a5 14.Nbd4 Nd4; 9...Bd6 10.Nbd2 b5 11.e4 Re8 12.h3 Bh5 13.Re1 de4 14.Ne4 Ne4) 10.a3 Bc5 11.Nbd2 Qd6 12.Nb3 Bb6 13.Qd2 d4 14.a4 a5; D) 9.c3 Bd6 (9...Ba5 10.d4 Re8 11.Nbd2 h6 12.e3 Bf5 13.Qb3 b5 14.Rfe1 Qd7; 9...Be7 10.d4 Qd6 11.Nbd2 Qe6 12.Rc1 b5 13.Re1 h6 14.Nh4 Na5; 9...Bc5 10.d4 Bb6 11.Re1 Re8 12.Nbd2 Qd7 13.Nf1 Bf5 14.Ne3 Re3) 10.Na3 Na5 11.c4 Re8 12.cd5 Nd5 13.Re1 c5 14.Qc2 b5; E) 9.Nc3 d4 (9...h6 10.d4 Bd6 11.Nh4 Qe7 12.h3 Bc8 13.Nd5 Nd5 14.Bd5 Bh3) 10.Nb1 Ne4 11.d3 Ng5 12.Nbd2 Re8 13.a3 Bd2 14.Qd2 Bf3.

8.0-0 Qd7 9.Bf6 gf6 10.c3 Bd6 11.d3 Bh3 12.Nbd2 Ne5 (12...Be6 13.d4=) 13.Qc2 (13.Bh3 Qh3 14.Qb3 c6 15.Ne5 Be5+/-) 13...c5 (13...Bg2 14.Kg2 c6 15.e4+=) 14.Rae1 (14.Bh3 Qh3 15.Ne5 fe5+=) 14...Kh8 (14...Bg2!? 15.Kg2 Rfe8=) 15.Ne5 fe5 16.Bd5 (16.Bh3 Qh3 17.Qb3 Qe6+/-) 16...Bf1+= 17.Rf1 f5 18.f4?? (better 18.a4+=) 18...ef4-+ 19.gf4 Qg7 (19...Rae8!? 20.Nb3 Bf4 21.c4-+) 20.Kh1 Rg8?? (better 20...Bf4 21.Rf4 Qe5 22.Bb7 Qf4 23.Ba8 Ra8-+) 21.e3+= (21.Bg8?? Rg8 22.Ne4 Qg2) 21...Rae8 (21...Rgd8 22.Rg1 Qe7 23.c4+/-) 22.Bg8+/- Rg8 23.Nf3 Qg4 (23...Qe7 24.Qd2+/-) 24.Qf2 c4 (24...Qh5!?+/-) 25.Rg1+- Qh5 26.Rg8 Kg8 27.dc4 Bc5 28.Nd4 Kf7 29.Kg2 (29.Qf1 Kf6+-) 29...Qg4 (29...Bd4!? 30.cd4 Qg4 31.Kf1 Qd1 32.Qe1 Qf3 33.Kg1 Qg4 34.Kf2 Qh4 35.Ke2 Qh2 36.Qf2 Qf2 37.Kf2 b6+-) 30.Qg3+- Qd1 31.Kh3 (31.Qf3 Qf3 32.Kf3 Kf6+-) 31...Qf1? (better 31...Bd4!? 32.cd4 Qh5 33.Kg2 Qe2 34.Qf2 Qc4+/-) 32.Qg2+- Qg2 33.Kg2 Bd4?? (better 33...Kf6+-) 34.ed4 b5 (34...b6 35.Kh3 Kg7+-) 35.Kf3 (better 35.cb5 Ke6 36.c4+-) 35...bc4 36.Ke3 (better 36.d5 Ke7 37.Ke3 Kd7+-) 36...a5?? (36...Ke6 37.Ke2+-) 37.Kd2 (better 37.d5 a4 38.Kd4+-) 37...Ke7 38.Kc2?? (better 38.a4+-) 38...Kd6= 39.Kb2 Kd5 40.Ka3 Ke4 41.Ka4 Kf4 (41...Kf4 42.Kb5 Ke4+=). Lance5500 (2525) - DaviatorGM (2000), lichess.org, 2019.

8.0-0 h6 A) 9.Nc3 a6 (9...Re8 10.a3 Bc3 11.Bc3 Qd6 12.d4 Ne4 13.Bb2 Qe6 14.Qd3 Bh3; 9...Bc5 10.Nb5 d4 11.e3 de3 12.de3 Qe7 13.Qd3 Rfd8 14.Qc4 Be6; 9...d4 10.Nb5 Bc5 11.e3 de3 12.de3 Qe7 13.Qd3 Rad8 14.Qc4 Be6; 9...Ne4 10.a3 Ba5 11.Ne4 de4 12.Ne5 Ne5 13.Be5 Bd2 14.Be4 Re8; 9...Qe7 10.Nb5 Ne4 11.d3 Nd6 12.Nd6 Qd6 13.c3 Ba3 14.Ba3 Qa3) 10.a3 Bc5 11.Na4 Ba7 12.d4 Qd6 13.Ne5 Bf5 14.c4 Ne4; B) 9.a3 Bd6 (9...Bc5 10.Nc3 Qd7 11.d3 Rfe8 12.Na4 Be7 13.Qd2 d4 14.c4 a6; 9...Ba5 10.Nc3 Qe7 11.d4 Rfe8 12.h3 Bh5 13.e3 Bc3 14.Bc3 Rab8; 9...Be7 10.Nc3 Re8 11.d4 Bd6 12.Qd3 Qd7 13.Nd2 Be7 14.Rae1 Rad8) 10.Nc3 a6 11.d4 Qe7 12.Re1 Qe6 13.Rb1 Rfe8 14.Nh4 Bh3; C) 9.d3 Qe7 (9...Qd6 10.c3 Ba5 11.Ba3 Qd7 12.Bf8 Rf8 13.Qc2 Re8 14.e3 Bf3; 9...Re8 10.a3 Bc5 11.Nc3 d4 12.Na4 Qd6 13.h3 Bf5 14.Nc5 Qc5; 9...Bc5 10.Nbd2 Qe7 11.Nb3 Ba3 12.Ba3 Qa3 13.Qd2 Rfe8 14.Rfe1 Rad8; 9...Ba5 10.Nbd2 Re8 11.Nb3 Bb6 12.Qd2 Qd6 13.e3 Nd7 14.a4 a5; 9...Bf5 10.Nc3 a6 11.a3 Be7 12.d4 Qd6 13.Ne5 Rfe8 14.Nd5 Nd5) 10.a3 Ba5 11.Nc3 Rfe8 12.h3 Bf5 13.e3 Bb6 14.Ne2 Qd6; D) 9.Re1 a6 (9...Re8 10.Nc3 Qd7 11.a3 Ba5 12.Qc1 Bf3 13.Bf3 Nd4 14.Rb1 c5; 9...a5 10.a3 Bc5 11.Nc3 Re8 12.d3 d4 13.Nb5 Ra6 14.a4 Rb6; 9...Bc5 10.d4 Bb6 11.Qd3 Qd7 12.Nbd2 Bf5 13.Qb3 Qe6 14.c4 dc4; 9...Qe7 10.Nc3 Rad8 11.a3 Ba5 12.h3 Bf5 13.e3 Rfe8 14.Nh4 Be6; 9...Bf5 10.Nc3 Qd7 11.a3 Ba5 12.Rb1 Rfe8 13.Nb5 Ne4 14.d3 Ng5) 10.c3 Bd6 11.d3 Re8 12.Nbd2 b5 13.Qb3 Qd7 14.e4 de4; E) 9.c3 Ba5 (9...Bc5 10.d4 Bb6 11.Ne5 Ne5 12.de5 Ne4 13.c4 c6 14.cd5 cd5; 9...Bd6 10.Na3 Re8 11.Nb5 a6 12.Nd6 Qd6 13.d4 Ne4 14.Re1 Qf6; 9...Be7 10.d4 Qd6 11.Nbd2 Qe6 12.Re1 Bf5 13.Nh4 Bh3 14.Bf3 Rfe8) 10.Na3 Ne4 11.Nc2 Re8 12.Ne3 h5 13.Qc2 Bb6 14.d4 Qd6.

8.a3 Ba5 A) 9.h3 Bf5 (9...Bf3 10.Bf3 Qd6 11.0-0 Ne5 12.Be5 Qe5 13.Nc3 Bc3 14.dc3 Qc3; 9...Be6 10.0-0 Bb6 11.e3 d4 12.ed4 Nd4 13.Re1 Nf3 14.Qf3 c6; 9...Bh5 10.0-0 Re8 11.Nc3 a6 12.e3 Ne5 13.g4 Nc4 14.Qc1 Bg6; 9...Bd7 10.Nc3 Qc8 11.h4 Bg4 12.0-0 Re8 13.Nb5 a6 14.Nbd4 Ne4; 9...Bc8 10.Nc3 d4 11.Nb5 Bb6 12.c3 d3 13.e3 Na5 14.0-0 a6) 10.0-0 h6 11.Nc3 Qd7 12.Na4 Qe7 13.Nd4 Bd7 14.Nb3 Bb6; B) 9.0-0 d4 (9...Bb6 10.Nc3 d4 11.Na4 Re8 12.d3 g6 13.c3 Qe7 14.Re1 dc3; 9...Re8 10.Nc3 Qd7 11.Rb1 Ne4 12.e3 f6 13.Qe1 Rad8 14.Ne4 de4; 9...a6 10.Nc3 Re8 11.d4 Qd7 12.Rb1 h6 13.e3 Ne4 14.Qd3 Bf5; 9...Qd6 10.Nc3 a6 11.d4 Rfe8 12.e3 g6 13.Qd3 Bf5 14.Qe2 Kg7; 9...h6 10.Nc3 Qe7 11.d4 Rfe8 12.h3 Bf5 13.Nh4 Be6 14.Nf3 Bc3) 10.h3 Be6 11.d3 Qd6 12.Nbd2 Bc3 13.Bc3 dc3 14.Nb1 Qc5.

8.a3 Bc5 A) 9.d4 Bb6 (9...Bd6 10.Nc3 Re8 11.0-0 Qd7 12.Re1 Na5 13.Ne5 Be5 14.de5 Re5) 10.0-0 Qd6 11.Qd3 g6 12.Nbd2 Bf5 13.Qb3 Na5 14.Qc3 Rfe8; B) 9.d3 d4 (9...h5 10.0-0 Re8 11.Nc3 Nd4 12.Re1 Bf3 13.Bf3 Nf3 14.ef3 Re1; 9...h6 10.0-0 Qe7 11.Nc3 Rad8 12.Qd2 d4 13.Na4 Nd5 14.h3 Be6; 9...Qe7 10.0-0 d4 11.Nbd2 Rfd8 12.Nb3 h6 13.a4 a5 14.Nc5 Qc5; 9...Bf5 10.0-0 h6 11.Nbd2 d4 12.Nb3 Bb6 13.Nfd2 Qd7 14.Nc4 Bh3; 9...a6 10.0-0 h6 11.Nc3 Qd6 12.d4 Bb6 13.Na4 Ba7 14.Ne5 Bd4) 10.0-0 h6 11.Nbd2 Re8 12.Rc1 Qe7 13.Nb3 Ba3 14.Ba3 Qa3; C) 9.Nc3 d4 (9...Re8 10.0-0 Qd7 11.Na4 Be7 12.d3 a6 13.Nc3 Bd6 14.Qd2 h6; 9...h6 10.0-0 Qd7 11.d3 Rfe8 12.Na4 Be7 13.Nc3 a6 14.Qd2 Bd6) 10.Na4 Be7 11.c4 Bd7 12.0-0 Qe8 13.Bc1 h6 14.d3 a6; D) 9.0-0 Re8 (9...Bb6 10.Nc3 Re8 11.d3 Qd7 12.Na4 Qd6 13.Qd2 h6 14.Nb6 ab6; 9...h6 10.d4 Bb6 11.Ne5 Bf5 12.a4 a6 13.Nc6 bc6 14.Nc3 Ba5; 9...d4 10.d3 Re8 11.Nbd2 h6 12.Rb1 a5 13.c3 dc3 14.Bc3 b6; 9...h5 10.d4 Bb6 11.Qd3 Qd7 12.Nbd2 Bf5 13.Qb3 Na5 14.Qb4 Qd6; 9...Qd6 10.Nc3 Qd7 11.d3 Rfe8 12.Na4 Be7 13.Nc3 d4 14.Nb5 Bc5) 10.d3 h6 11.Nc3 d4 12.Na4 Qd6 13.Re1 a5 14.Nc5 Qc5.

8.a3 Bd6 A) 9.d3 a5 (9...h6 10.0-0 Re8 11.Re1 Ne5 12.Nc3 c6 13.Qd2 Qa5 14.Ne5 Be5; 9...Re8 10.0-0 h6 11.Re1 Bc5 12.Nc3 a6 13.Qd2 Qd6 14.e3 Bb6; 9...Qe7 10.0-0 h6 11.Nc3 a6 12.Qd2 Rad8 13.e3 Rfe8 14.Ne2 Ne5; 9...a6 10.0-0 Qe7 11.Nc3 Rfe8 12.Qd2 Qd7 13.Rfe1 Qf5 14.Nd1 Bf3) 10.Nc3 Qe7 11.0-0 Ra6 12.Qd2 Rb6 13.Na4 Rb2 14.Nb2 Ba3; B) 9.Bf6 Qf6 10.Nc3 Qe6 11.0-0 a6 12.Qb1 Rab8 13.e3 Rfd8 14.Qa2 Be7; C) 9.0-0 Re8 (9...a6 10.d3 Re8 11.Re1 Ne5 12.Nc3 c6 13.Qd2 Qa5 14.Nd4 Rad8; 9...h6 10.Nc3 a6 11.d4 Qd7 12.Nh4 Rfe8 13.Re1 Na5 14.Nd5 Nd5; 9...b6 10.Nc3 a6 11.d4 Qd7 12.Nh4 Rfe8 13.Qd3 Na5 14.e4 g5; 9...Rb8 10.Nc3 a6 11.d4 Qd7 12.Re1 Rbe8 13.Qd3 Bf5 14.Qd2 Bh3) 10.Nc3 a6 11.d4 Qd7 12.Bc1 h6 13.Be3 Rab8 14.Re1 Qe6.

8.0-0 Qe7

9.a3 Ba5 (9...Bc5 10.d4 Bd6 11.Nc3 Qe6 12.Re1 Rfe8 13.Qd2 Na5 14.Ne5 Be5; 9...Bd6 10.Bf6 Qf6 11.Nc3 Qe6 12.Re1 Rfe8 13.Qb1 Rab8 14.Qa2 Rbd8) 10.Nc3 Rfe8 11.h3 Bf5 12.e3 Qd7 13.Ne2 Ne4 14.d3 Nc5.

9.Nc3 a6 (9...Rfe8 10.h3 Bd7 11.Nb5 Ba5 12.e3 a6 13.Nc3 Qd6 14.Ne2 Ne4; 9...Rae8 10.Nb5 a6 11.Bf6 gf6 12.Nc3 Bc3 13.dc3 Qe2 14.Qd5 Qc2; 9...Rfd8 10.a3 Bc3 11.dc3 Re8 12.Re1 Qc5 13.Rb1 Ne4 14.Nd4 Bd7; 9...h6 10.Nb5 a6 11.Nbd4 Nd4 12.Bd4 Bd6 13.Qb1 b5 14.Qb3 c6; 9...Rad8 10.Nb5 Bc5 11.Bf6 Qf6 12.Nc7 a6 13.Rb1 Rd7 14.d4 Nd4) 10.a3 Bd6 11.d4 Qe6 12.h3 Bh5 13.Rb1 h6 14.Nh4 Rae8.

9.d3 Rfe8 10.e3 Ne5 (10...Rad8 11.h3 Be6 12.Nbd2+=) 11.Be5= Bf3 12.Bf3 (12.Bf6 Qf6 13.Qf3 Qa1 14.Qd5 Rab8=) 12...Qe5+= 13.d4 Qf5 14.c4 c5 (14...c6 15.cd5 Nd5 16.Bd5 Qd5 17.Qb3 Qb3 18.ab3=) 15.a3 Ba5 16.cd5 (16.g4 Qg5 17.cd5 A) worse is 17...Nd5 18.h4 (worse is 18.dc5 Rad8=) 18...Qd8 19.dc5+/–; B) 17...Bc7 18.dc5 Qe5=) 16...cd4 17.d6 (17.g4!? Qd7 18.Qd4+=) 17...de3-/+ 18.fe3 Re3 (18...Qe6 19.Qd3 Rad8 20.Rd1-/+) 19.Bb7 Qc5 20.Kh1 (20.Ba8!? Ra3 21.Kh1 Ra1 22.d7-/+) 20...Rd8 21.Ra2 Rd6 (21...Rd6 22.Qc1 Qb5-/+) 0–1. Haznedaroglu,Kivanc (2290) – Bjazevic,Pavao (2245), corr WSTT/3/06/Semifinal, 2008.

9.Re1 Ne4 (9...Rfe8 10.Nc3 Qc5 11.h3 Bf5 12.e3 Rad8 13.Rb1 Ne4 14.Ne4 de4; 9...Rae8 10.Nc3 Qc5 11.h3 Bh5 12.Na4 Qa5 13.Bf6 Qa4 14.a3 Bc5; 9...Na5 10.a3 Nc4 11.Bf6 Qf6 12.Nc3 Bc3 13.dc3 Rad8 14.Qd4 Qd4; 9...Rad8 10.a3 Ba5 11.Nc3 Ne4 12.h3 Bf5 13.e3 Bc3 14.Bc3 Qd7; 9...a6 10.a3 Ba5 11.Bf6 Qf6 12.Nc3 Rad8 13.Qb1 Bc3 14.dc3 b6) 10.Nc3 Rfd8 11.Rb1 f6 12.Ne4 de4 13.c3 Bc5 14.Nd4 Rab8.

9.e3 h6 (9...Ne4 10.h3 Bf5 11.d3 Nf6 12.Nc3 Rfe8 13.Ne2 h6 14.Nf4 Red8; 9...a6 10.a3 Bd6 11.Nc3 Ne5 12.Re1 c6 13.h3 Nf3 14.Bf3 Bh3; 9...Rad8 10.a3 Ba5 11.h3 Be6 12.d3 Qd7 13.h4 Bg4 14.Nc3 Rfe8; 9...Rfe8 10.a3 Bd6 11.Nc3 a6 12.h3 Bf5 13.Re1 h6 14.Ne2 Ne4; 9...Rfd8 10.a3 Ba5 11.h3 Bf5 12.Nc3 Ne4 13.Ne2 Qd7 14.d3 Nc5) 10.a3 Bd6 11.Nc3 Ne5 12.Nb5 Ne4 13.Nd6 cd6 14.d3 Ng5.

9.h3 Bf5 (9...Bf3 10.Bf3 Ne5 11.Be5 Qe5 12.Nc3 Bc3 13.dc3 Qc3 14.Rb1 b6; 9...Be6 10.Nc3 h6 11.Nb5 Ne4 12.a3 Bc5 13.d4 Bb6 14.Qd3 Rfe8; 9...Bd7 10.Nc3 Rfe8 11.e3 a6 12.Ne2 Bd6 13.Nf4 Bf4 14.ef4 Qc5; 9...Bh5 10.Nc3 h6 11.a3 Ba5 12.d4 Qe6 13.Na4 Bb6 14.Ne5 Ne5) 10.a3 Bd6 11.Nc3 a6 12.d4 Rfe8 13.Nh4 Be4 14.Ne4 Ne4.

8.0-0 Re8

9.a3 Ba5 10.Nc3 Qd7 11.e3 h6 12.Rb1 Qf5 13.Nb5 Ne4 14.Bc3 Bb6.

9.a3 Ba5 10.d3 Qe7 11.e3 Nd8 (11...Qe6 12.Nbd2+=) 12.Nbd2 (12.h3 Bh5=) 12...c5 (12...c6 13.h3 Be6 14.c4=) 13.Nb3 (13.c4 dc4 14.Nc4 Bc7=) 13...Bb6 14.Qd2 (14.h3 Bd7=) 14...Nc6 15.h3 Be6 16.Qe2 (16.a4 Rab8+=) 16...a5 (16...Rad8 17.Rab1+=) 17.Nbd2 (17.Rab1 Nd7=) 17...Bc7 (17...d4 18.Rfb1=) 18.Rab1 Reb8 (18...Rab8 19.Ng5=) 19.c4 dc4 20.dc4 (20.Nc4 Bd5=) 20...Bf5 21.Bf6 Qf6 22.e4 (22.Rb5 Bd6=) 22...Qe7 (22...Be6 23.Rfd1=) 23.Rfe1 (23.Qe3 Bd7=) 23...Bg6 (23...Be6 24.e5=) 24.Qe3 Ra6 25.Rb5 (25.Red1 Bd6=) 25...b6 26.Rbb1 (26.Nh4 Nd4 27.Ng6 fg6=) 26...Rd8 27.Rb3 (27.Nh4 Bh5=) 27...Raa8 (27...Qf6 28.e5 Qe7 29.Nh4 Ne5 30.Ng6 hg6 31.f4+=) 28.h4 (28.Nh4!?=) 28...Nd4+= 29.Nd4 (29.Rb2 Qe6+=) 29...Rd4 30.e5 Rad8 (30...Re8 31.Bc6 Red8 32.Bd5+=) 31.Bd5 Be5 32.Nf3+/– Rg4?? 33.Ne5+- Rd4 34.Nc6 Qd7 35.Nd8 h6 36.Nc6 Rg4 37.Qe8 Qe8 38.Re8 Kh7 39.Rb6 Bc2 40.Bf7 Ba4 41.Bg6 Kg6 42.Ne5 Kh5 (42...Kf5 43.Re7 Rd4 44.Nf3+-) 1–0. Kublashvili,Eteri – Yegorova,Yekaterina, RUS–ch U14 Girls, 2001.

9.a3 Bc5 10.d3 +=.

9.a3 Bc5 10.d4 Bb6 11.e3 Ne4 12.h3 Bf5 13.Nc3 Qd7 14.Ne5 Ne5.

9.a3 Bd6 10.d3 Qe7 11.Re1 a5 12.Qd2 Ra6 13.Bf6 Qf6 14.Nc3 Ne7.

9.a3 Be7 10.d3 Bc5 11.Nc3 h6 12.Qd2 a6 13.Na4 Bd6 14.Rfe1 Qe7.

9.a3 Bf8 10.d3 g6 11.Nc3 d4 12.Nb5 Bc5 13.c3 dc3 14.Nc3 a6.

9.c3 Bd6 10.d3 (10.h3 Be6+=) 10...Qe7 11.Re1 Ne5 12.Nbd2 c6 (12...Rad8 13.Ne5 Be5 14.Nf3+=) 13.Ne5 (13.c4 Nf3 14.ef3 Be6+=) 13...Be5-/+ 14.Nf3 Bd6 15.h3 Bh5 16.g4 (16.Rb1 b5+=) 16...Bg6 17.Nh4 Ng4 0–1. Behrmann,Klaus Juergen – Woschkat,Karl_Heinz, compuserve, 1996.

9.Nc3 Qd7 (9...a6 10.a3 Bd6 11.d3 Qd7 12.Qd2 h6 13.Rfe1 Bc5 14.Na4 Be7; 9...Qe7 10.h3 Bd7 11.e3 Qc5 12.Ne2 Ne4 13.d3 Nc3 14.Bc3 Bc3; 9...h6 10.a3 Bc5 11.d3 d4 12.Na4 Qd6 13.Qd2 Nd5 14.Nc5 Qc5; 9...Ne4 10.h3 Bh5 11.a3 Bc3 12.dc3 Na5 13.Rb1 Nc4 14.Qd4 c5; 9...h5 10.h3 Bf3 11.Bf3 Ne5 12.e3 Qd7 13.Bg2 Nc4 14.Rb1 Re6) 10.a3 Ba5 11.Rb1 Ne4 12.Qe1 Bf3 13.Bf3 Ng5 14.Bg2 Nd4.

9.d3 a6 10.a3 Ba5 11.Nbd2 Qd6 12.Nb3 Bb6 13.Qd2 h6 14.a4 a5.

9.d3 Rb8 10.Nbd2 (10.a3 Ba5 11.Nc3 h6 12.h3 d4 13.Ne4 Bf5 14.Nf6 Qf6) 10...Qd6 (10...Qe7 11.Re1 h6 12.c3 Ba3 13.Ba3 Qa3 14.Qb3 Qc5) 11.a3 Bc5 (11...Ba5 12.Nb3 Bb6 13.Qd2 d4 14.a4 a5) 12.a4 (12.c4 d4 13.Nb3 Bf3 14.Bf3 Ne5) 12...h5 (12...d4 13.Rc1 a6 14.c3 b5) 13.Nb3 (13.Re1 d4 14.Qc1 Bb4) 13...d4 14.Nc5 Qc5 15.Re1 Nd5 16.Nd2 Rbd8 17.Ne4 Qa5 18.Bc1 Ncb4 19.Bd2 h4 20.gh4 Qb6 21.a5 Qg6 22.Kh1 Nc6 23.Qb1 b6 24.ab6 cb6 25.h3 Bc8 26.c4 dc3 27.Nc3 Nc3 28.Bc3 Qf5 29.Ra4 (better is 29.Qb2!? Rd6 30.e4+/– (30.Bg7?! Rg6 31.e4 Qf4=)) 29...Qf2= 30.Rf1 Qe2 31.Re1 (31.Bc6 Rd3 32.Ra2 Rh3 33.Kg1 Rg3 34.Kh1 Qc4-+) 31...Qh5 32.Bc6 Bd7 33.Bd7 Qf3 ½–½. Al_Deeb – stormytlc, chessworld.net, 2011.

9.d3 Qd6 10.a3 Ba5 11.Nbd2 h6 12.Nb3 Bb6 13.Qd2 d4 14.Rfe1 Rad8.

9.d3 Qe7 10.a3 Ba5 11.e3 h5 12.Nbd2 h4 13.gh4 Bb6 14.h3 Bh5.

9.d3 Qe7 10.e3 Ne5 11.Be5 Bf3 12.Qf3 Qe5 13.d4 Qe7 14.Qe2 (14.c4 c5= (worse 14...dc4 15.Qb7 a5 16.Qc6+/-)) 14...c5=+ 15.c3 Ba5 16.Qb5 b6 17.Qb3 (17.dc5 Qc5 18.Qc5 bc5=) 17...Rac8 (17...Rad8 18.Rd1=+) 18.a4 (18.Bd5!? cd4 19.cd4 Nd5 20.Qd5+=) 18...Red8 19.Na3 cd4 (19...Ne4 20.Rfc1=+) 20.cd4 Rc3 21.Qb2 Rdc8 22.Rfc1 (22.Rac1 a6=) 22...a6 (22...Qc7 23.Rf1=+) 23.Bf1 Qc7 24.Rd1 Qb7 25.Rab1 (25.Bd3 Ne4=) 25...h5 (25...Ne4 26.Rbc1=+) 26.Qa2 (26.Bd3 h4=) 26...Qe7 (better 26...h4=+) 27.Rb3?? (better 27.Rd3=) 27...Rb3-+ 28.Qb3 Rc3 29.Qb1 Qa3 30.Ba6 Ne4 (better 30...Qa4 31.Rd3 Rc2 32.Ra3-+) 31.Bd3? (31.Qb5 Rc2 32.Qd5 Nf2-+) 31...Rb3 (better 31...Nd2! 32.Bh7 Kh8 33.Qb5 Kh7 34.Qd5 Qa4 35.Qh5 Kg8 36.Qg4-+) 32.Qc2 Rc3 (32...Qa4?! 33.Qc8 Kh7 34.Qf5 Kh6 35.Be4 de4 36.Qf4 Kg6 37.Qe4 f5 38.Qe6 Kh7 39.Qf5 Kh6 40.Qf4 Kg6 41.Qe4 Kf6 42.Qf3 Kg6 43.Qe4 Kh6 44.Qf4 Kh7 45.Qf5 g6 46.Qf7 Kh6 47.Qf8 Kh7 48.Qf7 Kh6 49.Qf8 Kh7 50.Qf7=) 33.Qb1 Rb3 (better 33...Nd2! 34.Bh7 Kh8 35.Qb5 Kh7 36.Qd5 Qa4 37.Qh5 Kg8 38.h3-+) 34.Qc2 Qe7?? (34...Nc3 35.Rf1 g6-+ (35...Na4?? 36.Qc8 Qf8 37.Bh7 Kh7 38.Qf8+-; 35...Qa4?! 36.Bh7 Kf8 37.Qf5-+)) 35.Be4 (better 35.Qb3 Nc3 36.Rc1+-) 35...Rc3+= 36.Qb1?? (better 36.Bh7 Kh8 37.Qf5+=) 36...Qe4-+ 37.Qb5 Rc2 38.Qf1 g6 39.h4 Qf3 40.Rb1 (40.Rc1 Re2 41.Qg2 Qg4 42.Qd5 Be1 43.Re1 Re1 44.Kg2 Rc1 45.Qa8 Kg7-+) 40...Rd2 (40...Re2!? 41.Qg2 Qf5 42.Qf1 Rf2 43.Qf2 Qb1 44.Kg2-+) 41.Qg2 Qg2 (41...Qf6 42.Qf1-+) 42.Kg2 Ra2 43.Kf3 (43.Rb5-+) 43...Ra4 44.Rb5 Rc4 (44...Ra2 45.Rb1-+) 45.Rd5 (45.Ke2 Rc2 46.Kf1 Kg7-+) 45...Rc8 (45...Rc2 46.Rd6-+) 46.Rd7? (46.Rb5 Kf8-+) 46...Kf8 (46...Rc2 47.g4 hg4 48.Kg4 Rf2 49.e4-+) 47.Rb7 (47.g4 hg4 48.Kg4 Be1-+) 47...Re8 (better 47...Rc2!? 48.Rb8 Kg7 49.e4-+) 48.e4 Re7 49.Rb8 Re8 50.Rb7 Re7 51.Rb8 Kg7 52.e5? (52.d5 f5 53.ef5 gf5-+) 52...Bc3 (52...Rd7 53.Ke4 Be1 54.f4 Bg3 55.d5-+) 53.Ke3? (53.Ke4 Be1 54.Ke3 f6-+) 53...f6 (better 53...Rd7 54.d5 Rd5-+) 54.f4 Rd7 (better 54...fe5 55.de5 Be1-+) 55.Ke4?? (better 55.e6 Ra7 56.Rb6-/+) 55...Rd4-+ 56.Kf3 fe5 57.Rb7 (57.fe5 Rd3 58.Kf4 Bd2 59.Ke4 Rg3 60.Rb6 Rg4 61.Kd5 Rh4 62.Rb7 Kh6-+) 57...Kh6 (57...Kf6 58.Rb6 Kf5 59.fe5 Rd3 60.Ke2 Rg3 61.e6-+) 58.fe5 Rd5 (58...Rd3 59.Ke4 Rg3 60.e6-+) 59.e6 Rd6 60.e7 Re6 0-1. MICLAUDIO (2465) - liczner (2540), Rated Bullet game, lichess.org, 2016.

9.d3 h6 10.a3 Bd6 11.Nbd2 Qe7 12.Re1 Ne5 13.Nb3 a5 14.Qd2 Nc6.

9.Re1 Ne4 (9...a6 10.a3 Ba5 11.h3 Bh5 12.Nc3 d4 13.Na2 Qd6 14.Nb4 Bb4; 9...Qd6 10.a3 Ba5 11.Nc3 Ne4 12.h3 Bh5 13.Rb1 a6 14.Qc1 f5; 9...h6 10.Nc3 Qd7 11.a3 Ba5 12.Rb1 a6 13.Na4 Ne4 14.d3 Ng5; 9...Qe7 10.a3 Ba5 11.Nc3 Qd7 12.Nb5 Ne4 13.c3 Bb6 14.Nbd4 f6; 9...Bc5 10.Nc3 h6 11.Nb5 Ne4 12.d4 Bb6 13.Qd3 Ba5 14.Reb1 Qf6) 10.Nc3 f6 11.Nh4 Bc3 12.dc3 g5 13.Nf3 Qd7 14.Nd2 Rad8.

9.e3 +=.

9.h3 Bf3 10.Bf3 Ne5 11.Bg2 Nc4 12.Bc3 Bc3 13.Nc3 d4 14.Nb1 c6 15.e3 Qb6 16.Qc1 de3 17.de3 Rad8 18.Na3 Nd2 19.Rd1 Qa5 20.Nb1 Nde4 21.a4 Qf5 22.Rf1 Rd7 23.c4 Red8 24.Ra2 Qe6 25.Rc2 h6 26.Qe1 Qf5 27.Rb2 Nc5 28.Ra2 Nfe4 29.f3 Ng5 30.h4 Rd1! 31.Qd1 Rd1 32.Rd1 Nf3 33.Kh1?? (33.Bf3 Qf3 34.Rd8 Kh7 35.Kh2-+) 33...Ne4 (33...Ne4 34.Rd8 Kh7 35.Bf3 Qf3 36.Rg2 Ng3 37.Kg1 Qe3 38.Kh2 Nf1 39.Kh1 Qh3 40.Kg1 Ne3-+) 0–1. Otto,Norbert – Rakus,Klaus, OP–2011–0-01812, 2011.

9.h3 Bf5 10.Nc3 Qd7 11.Nb5 a6 12.Nbd4 Nd4 13.Bd4 Bd6 14.Rb1 b5.

9.h3 Bh5 10.a3 Bc5 11.d4 Bd6 12.Nc3 Na5 13.Ne5 Be5 14.de5 Re5.

6.g3 Re8

7.c3 Ba5 8.Bg2 d5 9.0-0 Bf5 10.Re1 Ne5 11.Ne5 Re5 12.c4 d4 13.e3 de3 14.fe3 Rc5 15.Rf1 Bd3 16.Rf4 Bc4 17.Bb7 Rb8 18.Bd4 Nd5 19.Bd5 Rd5 20.Ba7 Bd2 21.Nd2 Rd2 22.Qa4 Bb5 23.Qb3 Rg2 24.Kh1 Bc6 25.Qf7 Kh8 26.e4 Re2 27.Raf1 g5 28.Qc4 Re4 29.Qc6 1–0. AsceticKingK9 – poisoned_prawn, chessworld.net, 2014.

7.Bg2 d5

8.0-0 d4 9.a3 Bc5 10.d3 Bg4 11.Nbd2 Bf5 12.Re1 Qd7 13.Rc1 Ng4 14.Nb3 Bb6 15.h3 (15.Qd2 Qd6+=) 15...Nf6+= 16.Kh2 a5 17.a4 Rad8 18.c3 dc3 19.Bc3 Qd6 20.d4 (20.Rf1 Qe6+=) 20...Ne4-/+ 21.Bb2 (21.Nh4 Bd7 22.e3+=) 21...Nf2-+ 22.Qd2 Qe6 23.Ng5?? White prepares d5 (better is 23.Qc3 Ne4 24.Qe3-+) 23...Qb3 24.d5 (24.e4 Nd3 25.Rc6 bc6-+) 24...Be3 25.Qc3 Nd4 (25...Qc3!? 26.Rc3 (26.Bc3?? Ne7 27.Nf3 Bc1 28.Rc1 Nd5-+) 26...Bd2 27.Rf1 Re2 28.dc6 Bg5 29.Rf3-+) 26.Qb3 Nb3 27.Rc7 (27.Rc3 Bd2 28.Rb3 Be1 29.Rb7 Re2-+) 27...Bg5 28.Rb7 Nc5 29.Rb5 Ncd3! 30.Rb1 (30.ed3 Re3 Double attack (30...Re1 Pinning; 30...Re1 Deflection; 30...Re3 Decoy)) 30...Re2 31.Ba3 (31.Bd4 Nh3 32.Rb8-+) 31...Be4 32.Bf1 Ng4 0–1. bblchess (1620) – marekt (1875), gameknot.com, 2014.

8.h3 Bc5 A) 9.e3 A1) 9...Bf5 10.Nc3 (10.0-0 d4 11.ed4 Nd4 12.d3 c6 13.Nc3 Qa5+=; 10.Na3 a6 11.0-0 Qd6 12.Qc1 b5 13.d3 Rad8+=; 10.a4 d4 11.0-0 d3 12.c4 Ne4 13.Nh4 Bd7-/+) 10...d4 11.Na4 Bb4 12.0-0 d3 13.Ne1 dc2+=; A2) 9...d4 10.Ba3 (10.0-0 Bf5 11.ed4 Nd4 12.Nd4 Bd4 13.c3 Bb6-/+; 10.Qe2 Ne4 11.0-0 a6 12.Re1 Bf5 13.ed4 Nd4-/+) 10...Ba3 11.Na3 de3 12.de3 Qe7 13.Qc1 Be6+=; B) 9.0-0 B1) 9...Bf5 10.d3 Qd6 11.g4 Bg6 12.Nh4 Ne7 13.e3 c6+=; B2) 9...Ne4 10.e3 (10.d4 Bd6 11.Nbd2 Qe7 12.c4 Nd2 13.Nd2 Qe2+=) 10...Be6 11.d3 Ng5 12.Ng5 Qg5 13.Nc3 Rad8+=; B3) 9...Be6 10.d3 (10.e3 d4 11.Re1 Bd5 12.ed4 Re1 13.Qe1 Bf3+=; 10.d4 Bb4 11.c3 Be7 12.Ba3 Bf5 13.Be7 Qe7+=; 10.Re1 d4 11.e3 Bd5 12.ed4 Re1 13.Qe1 Bf3+=; 10.Ba3 Bb6 11.d4 Ne4 12.e3 Qf6 13.Nfd2 Ng5+=) 10...d4 11.c3 Bd5 12.Nbd2 dc3 13.Bc3 Rb8+=; B4) 9...d4 10.Ba3 (10.Re1 Ne4 11.e3 Qf6 12.Rf1 Rb8 13.ed4 Nd4+=; 10.e3 Bf5 11.ed4 Nd4 12.d3 c6 13.Nbd2 Ne2-/+; 10.a4 Bf5 11.e3 d3 12.c4 Ne4 13.Nh4 Bd7-/+) 10...Bb6 11.c4 d3 12.ed3 Qd3 13.c5 Ba5+=; C) 9.Ba3 C1) 9...Nb4 10.d3 (10.Bb2 Bf5 11.d3 d4 12.0-0 Qd7 13.Kh2 Rad8+=; 10.Bb4 Bb4 11.0-0 Qe7 12.e3 c6 13.Nd4 Ne4-/+; 10.0-0 Bf5 11.d3 Qe7 12.Nh4 Be6 13.d4 Bd6+=) 10...Qe7 11.Bb2 Nc6 12.Nbd2 Be6 13.0-0 d4+=; C2) 9...Bb6 10.Bb2 (10.e3 d4 11.0-0 Bf5 12.Bb2 Qd6 13.Na3 d3+=; 10.d3 Ba5 11.Nbd2 d4 12.Bb2 Nd5 13.Rb1 Bc3-+; 10.0-0 Ne4 11.d4 Qf6 12.c3 Bf5 13.g4 Bg6-/+; 10.c3 d4 11.cd4 Nd4 12.Nc3 Nf3 13.Bf3 c6-/+) 10...Ne4 11.e3 Nd6 12.Na3 d4 13.0-0 Qf6+=; C3) 9...Ba3 10.Na3 Qe7 11.Nb5 a6 12.Nbd4 Nd4 13.Nd4 c5-/+; D) 9.d3 Qe7 10.a3 (10.Nbd2 d4 11.0-0 Be6 12.c3 dc3 13.Bc3 Nd5+=; 10.a4 Bf5 11.Nbd2 Rad8 12.Nb3 Bb4 13.c3 Bd6-/+; 10.g4 a6 11.Rg1 Be6 12.g5 Nd7 13.Nbd2 Nb6-/+; 10.c3 Qe6 11.Qd2 Bd7 12.e3 Qe7 13.0-0 Bd6+=) 10...Be6 11.0-0 d4 12.c3 Rad8 13.cd4 Nd4+=; E) 9.d4 E1) 9...Be7 10.0-0 (10.Nbd2 Bf5 11.0-0 Rb8 12.g4 Be6 13.Re1 Qd6+=; 10.Bc1 Ne4 11.0-0 Bf5 12.Bf4 Qd7 13.Kh2 Bf6-/+; 10.Ne5 Ne5 11.de5 Ne4 12.0-0 Bc5 13.e3 Bf5+=; 10.a3 Bf5 11.Nbd2 Bd6 12.0-0 Qe7 13.Re1 Ne4+=) 10...Bf5 11.Nbd2 Rb8 12.c4 dc4 13.Nc4 Qc8+=; E2) 9...Bd6 10.0-0 (10.Nbd2 Qe7 11.Rc1 Nb4 12.a3 Nc6 13.c4 Ba3-/+; 10.Nc3 Na5 11.Nb5 Be7 12.Ne5 c6 13.Na3 Ne4-/+; 10.a3 Bf5 11.0-0 Qe7 12.e3 Qe6 13.Nc3 a6-/+; 10.e3 Qe7 11.0-0 Bf5 12.a3 Qe6 13.Nc3 a6-/+) 10...Bf5 11.Nc3 Qd7 12.g4 Be6 13.Ng5 Na5+=; E3) 9...Bb4 10.c3 Bd6 11.Ba3 Ba3 12.Na3 Qd6 13.Qb3 Bf5+=.

8.h3 Qd6 A) 9.a3 A1) 9...Ba5 10.0-0 (10.e3 Bf5 11.0-0 Ne7 12.d3 c5 13.Nbd2 b5=) 10...Bf5 11.e3 Ne7 12.d3 c5 13.Nbd2 b5=; A2) 9...Bc5 10.d4 (10.d3 d4 11.c3 Be6 12.cd4 Nd4 13.Bd4 Bd4+=; 10.0-0 d4 11.e3 Bf5 12.ed4 Nd4 13.Bd4 Bd4-/+; 10.e3 d4 11.0-0 Bf5 12.ed4 Nd4 13.Bd4 Bd4-/+) 10...Bb6 11.Nbd2 Bf5 12.e3 Ba5 13.0-0 Ne4+=; B) 9.c3 B1) 9...Ba5 10.0-0 (10.Ba3 Qe6 11.Bc5 Ne4 12.Be3 Bd7 13.0-0 Ne7+=; 10.e3 Bf5 11.0-0 Bd3 12.Re1 Ne4 13.Bf1 Bf1-/+; 10.d3 Ne5 11.Ne5 Qe5 12.Qc2 c6 13.Kd1 Qf5-/+; 10.Na3 Ne5 11.Ne5 Qe5 12.e3 Bf5 13.Qb3 Be4+=; 10.Qb3 Bb6 11.Ba3 Qe6 12.e3 Na5 13.Qc2 Nc4-/+; 10.a3 Ne5 11.Ne5 Qe5 12.d4 Qe7 13.e3 Bf5-/+) 10...Bf5 11.d3 Qe6 12.Re1 Ne5 13.Nd4 Qb6+=; B2) 9...Bc5 10.d4 Bb6 11.Ba3 Qe6 12.Nbd2 Bd7 13.g4 Ne4-/+; C) 9.0-0 C1) 9...Bd7 10.Nc3 (10.e3 Bc5 11.d4 Bb4 12.Bc3 Ne4 13.Bb4 Nb4+=; 10.a3 Bc5 11.e3 Ne4 12.d4 Bb6 13.Nfd2 Qh6+=; 10.c3 Ba5 11.d3 Ne5 12.Ne5 Qe5 13.e3 Bf5+=; 10.d3 Bc5 11.Nc3 a6 12.e3 d4 13.ed4 Nd4+=) 10...a6 11.a3 Bc5 12.e3 b5 13.Ne2 Rad8+=; C2) 9...Bc5 10.d4 (10.Nc3 a6 11.e3 Bf5 12.Na4 Ba3 13.Ba3 Qa3+=; 10.e3 d4 11.ed4 Nd4 12.Bd4 Bd4 13.Nd4 Qd4+=) 10...Bb6 11.Ba3 Qe6 12.e3 Ba5 13.Nfd2 b5+=; C3) 9...Qe6 10.e3 (10.a3 Bc5 11.e3 Bd6 12.Bf6 Qf6 13.Nc3 Ne7=; 10.Nc3 a6 11.a3 Bd6 12.e3 Bd7 13.Rb1 b5+=) 10...Bd7 11.Nc3 a6 12.Ne2 Bd6 13.Rb1 Ne4=; C4) 9...a6 10.d3 (10.c3 Ba5 11.Ba3 Qe6 12.e3 Ne4 13.Qb3 Bb6+=; 10.a3 Bc5 11.e3 d4 12.ed4 Nd4 13.Bd4 Bd4+=; 10.e3 Bf5 11.d3 Rad8 12.g4 Bc8 13.c3 Bc5+=) 10...Bd7 11.e3 Qe6 12.Nbd2 Rad8 13.Rb1 b5=; C5) 9...Na5 10.d3 (10.Bd4 c5 11.a3 Nc6 12.ab4 Nd4 13.bc5 Nf3+=; 10.a3 Nc4 11.Bd4 Ba5 12.d3 Nb6 13.e3 c5+=; 10.Bc3 Ne4 11.Bd4 Nc6 12.Bb2 Bc5 13.d4 Bb6+=; 10.c3 Bc5 11.d4 Bb6 12.Nbd2 Bf5 13.g4 Be6+=) 10...Bc5 11.e3 Bf5 12.Nbd2 Rad8 13.Nb3 Nb3=; C6) 9...Qe7 10.Nc3 (10.a3 Bc5 11.Nc3 Bf5 12.e3 a6 13.d4 Bb6+=; 10.e3 Be6 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bf5+=) 10...Bf5 11.Rb1 a6 12.e3 Rad8 13.d3 b6+=; C7) 9...Bf5 10.d3 (10.e3 Qe6 11.Nh4 Bh3 12.Bh3 Qh3 13.Bf6 gf6+=; 10.Nc3 Bc3 11.Bc3 d4 12.Bb2 Rad8 13.Re1 Qe6+=) 10...Bc5 11.g4 Bg6 12.Nh4 Ne7 13.e3 c6+=; D) 9.e3 D1) 9...Na5 10.Bd4 (10.a3 Nc4 11.Bd4 Ba5 12.0-0 c5 13.Bc3 Bc3+=) 10...Ne4 11.c3 Bc5 12.0-0 Bd4 13.cd4 Qh6=; D2) 9...Bf5 10.0-0 (10.a3 Bc5 11.Nc3 a6 12.g4 Bg6 13.Ne2 d4+=) 10...Qe6 11.d3 Be7 12.Nc3 Rad8 13.Ne2 Qd6=; D3) 9...Bd7 10.0-0 (10.a3 Bc5 11.Nc3 Ne7 12.0-0 Ng6 13.a4 c6+=) 10...Rad8 11.a3 Bc5 12.d4 Bb6 13.Ne5 Bf5+=; D4) 9...Qe7 10.0-0 Be6 11.a3 Bd6 12.Nc3 a6 13.Ng5 Bf5+=; D5) 9...a6 10.0-0 (10.a3 Bc5 11.0-0 Bf5 12.d4 Bb6 13.Nbd2 Rad8+=; 10.c3 Bc5 11.d4 Bb6 12.Ba3 Qe6 13.0-0 Ne4+=) 10...Bf5 11.d3 Rad8 12.a3 Bc5 13.Nbd2 d4+=; D6) 9...d4 10.Nd4 (10.0-0 Bc5 11.ed4 Nd4 12.Bd4 Bd4 13.Nd4 Qd4+=; 10.Bd4 Nd4 11.Nd4 Qd4 12.c3 Qd6 13.cb4 Qb4+=) 10...Nd4 11.Bd4 Qd4 12.c3 Qd6 13.cb4 Qb4+=; D7) 9...Qe6 10.a3 (10.0-0 Bd6 11.Bf6 Qf6 12.Nc3 Qh6 13.Kh2 Ne5+=; 10.Nc3 Ne4 11.Nb5 Ba5 12.Rb1 Bd7 13.0-0 a6+=) 10...Bd6 11.Nc3 a6 12.Ne2 Ne7 13.Ned4 Qd7+=.

8.h3 Be6 A) 9.e3 A1) 9...d4 10.0-0 (10.Bd4 Nd4 11.Nd4 Qd4 12.c3 Qb6 13.cb4 Qb4+=; 10.Nd4 Nd4 11.Bd4 Qd4 12.c3 Qb6 13.cb4 Qb4+=; 10.a3 Bc5 11.0-0 Qd7 12.ed4 Nd4 13.Bd4 Bd4-/+; 10.c3 dc3 11.dc3 Bd6 12.Ba3 Bd5 13.0-0 Ba3+=) 10...de3 11.de3 Bc4 12.Qd8 Rad8 13.Bf6 Bf1=; A2) 9...Be7 10.0-0 (10.d3 Bc5 11.0-0 d4 12.ed4 Nd4 13.Re1 c6+=; 10.Nc3 Qd7 11.a3 d4 12.Nb5 Bc5 13.Qe2 Bd5+=; 10.a3 Ne4 11.0-0 Nd6 12.Kh2 Rb8 13.d3 Bf6+=; 10.Na3 d4 11.Nb5 de3 12.de3 Qc8 13.Nfd4 Nd4-/+) 10...Qd7 11.Kh2 Rad8 12.d3 a6 13.Nbd2 Nb4=; A3) 9...Bc5 10.0-0 (10.d4 Bb4 11.c3 Be7 12.Ba3 Ba3 13.Na3 Rb8+=) 10...d4 11.Re1 Bd5 12.ed4 Re1 13.Qe1 Bf3+=; B) 9.0-0 B1) 9...Bc5 10.d3 (10.e3 d4 11.Re1 Bd5 12.ed4 Re1 13.Qe1 Bf3+=; 10.d4 Bb4 11.c3 Be7 12.Ba3 Qd7 13.Kh2 Bf5+=; 10.Re1 d4 11.e3 Bd5 12.ed4 Re1 13.Qe1 Bf3+=; 10.Ba3 Bb6 11.d4 Ne4 12.e3 Qd7 13.Kh2 Ba5+=) 10...d4 11.c3 Bd5 12.Nbd2 dc3 13.Bc3 Bb6+=; B2) 9...Be7 10.e3 (10.Nc3 Ne4 11.e3 Qd7 12.Kh2 Bf6 13.Rb1 Bc3+=; 10.d3 Qd7 11.Ng5 Bf5 12.g4 Bg6 13.Nf3 Qe6+=; 10.Re1 Qd7 11.Ng5 Bf5 12.g4 Bg6 13.Nf3 Qe6+=; 10.a3 d4 11.Ng5 Bf5 12.e4 Bg6 13.f4 Qd6+=; 10.Ng5 Bf5 11.d3 Bc5 12.Re1 Qe7 13.Qd2 Qd6+=) 10...Qd7 11.Kh2 Rad8 12.d3 a6 13.Nbd2 Qd6+=; B3) 9...Qe7 10.e3 (10.d3 Bc5 11.Nc3 d4 12.Na4 Nd5 13.c3 dc3+=; 10.a3 Bc5 11.e3 Rad8 12.d3 d4 13.ed4 Nd4+=) 10...Rad8 11.d3 a6 12.Nbd2 Bd6 13.Qb1 b5+=; B4) 9...Ne4 10.a3 (10.e3 Ng5 11.Ng5 Qg5 12.Nc3 Rad8 13.Nb5 Rd7+=; 10.Kh2 Ng5 11.Ng5 Qg5 12.e3 Rad8 13.a3 Be7+=) 10...Be7 11.e3 Qd7 12.Kh2 Rad8 13.d3 Nc5+=; B5) 9...d4 10.c3 (10.e3 de3 11.fe3 Nh5 12.g4 Ng3 13.Re1 Bd6+=) 10...Bc5 11.Qc2 dc3 12.Nc3 Qd7 13.Nb5 Be7+=.

8.h3 Qe7 A) 9.e3 A1) 9...Bf5 10.0-0 Rad8 11.d3 a6 12.Nbd2 b6 13.Re1 Ba3+=; A2) 9...Bc5 10.0-0 (10.Nc3 d4 11.Ne2 de3 12.fe3 Ne4 13.g4 Rd8-/+) 10...Bf5 11.d3 a6 12.Nbd2 Rad8 13.Nb3 Bd6+=; A3) 9...Be6 10.0-0 (10.a3 Bd6 11.0-0 Rad8 12.Nc3 a6 13.Ng5 Bf5+=) 10...Rad8 11.d3 Bc5 12.Nbd2 a6 13.Nb3 Bd6+=; A4) 9...Bd7 10.0-0 (10.a3 Bd6 11.0-0 a6 12.d3 Rad8 13.Nbd2 Bf5+=) 10...Rad8 11.Nc3 Bf5 12.a3 Bc5 13.d4 Bd6+=; A5) 9...Bd6 10.0-0 Bf5 11.d3 Rad8 12.Nbd2 b5 13.Qe2 a6+=; A6) 9...Na5 10.Bc3 (10.a3 Nc4 11.Bd4 Bd6 12.0-0 c5 13.Bc3 Ne4-/+; 10.0-0 Nc4 11.Bc3 Bd6 12.a4 a5 13.d3 Nb6+=; 10.Bd4 Nc4 11.0-0 c5 12.Bc3 Bc3 13.Nc3 Bf5+=; 10.Ne5 Bd6 11.d4 Rb8 12.Nd2 c5 13.Ng4 Ne4+=; 10.Bf6 Qf6 11.c3 Nc6 12.d4 Bd6 13.Nbd2 Rb8+=) 10...Ne4 11.Bb4 Qb4 12.Qc1 Qe7 13.d3 Qf6+=; B) 9.a3 B1) 9...Bd6 10.e3 (10.Nc3 a6 11.0-0 Be6 12.e3 b5 13.Ng5 Ne5+=; 10.Bf6 Qf6 11.Nc3 d4 12.Nb5 Bf5 13.0-0 a6+=) 10...Bf5 11.0-0 Ne5 12.d3 c6 13.Nbd2 b5+=; B2) 9...Ba5 10.Nc3 (10.e3 Bf5 11.0-0 Bb6 12.Nc3 Rad8 13.Na4 Ba5+=; 10.g4 Ne4 11.0-0 Nd6 12.e3 Be6 13.d3 a6+=) 10...Bf5 11.0-0 Rad8 12.e3 Ne4 13.Ne2 Ng5+=; B3) 9...Bc5 10.0-0 (10.e3 Na5 11.Ne5 Bd6 12.d4 Nc6 13.Nc6 bc6+=) 10...Bf5 11.e3 Rad8 12.d3 d4 13.ed4 Nd4+=; B4) 9...Bf5 10.0-0 (10.e3 Bd6 11.0-0 Ne5 12.Ne5 Be5 13.Ra2 Be4+=) 10...Bc5 11.Nc3 Rad8 12.e3 a6 13.d3 b5+=; C) 9.Nc3 Na5 10.a3 (10.Nb5 Ne4 11.a3 Bc5 12.e3 Nc4 13.Bd4 Bd4-/+) 10...Bd6 11.d3 Bd7 12.0-0 c5 13.e3 a6+=.

8.h3 Be7 A) 9.d3 A1) 9...a6 10.0-0 (10.Nbd2 Be6 11.e3 Qd7 12.Rb1 Rab8 13.g4 Qd6+=; 10.a3 Bc5 11.0-0 Be6 12.Ng5 Bf5 13.Re1 Qd6+=) 10...Be6 11.Ng5 Bd7 12.e3 Bd6 13.Nd2 Rb8=; A2) 9...Bb4 10.Nbd2 Be6 11.e3 Qe7 12.Rb1 Rab8 13.0-0 Bd6=; A3) 9...Be6 10.a3 (10.0-0 Qd7 11.Ng5 Bf5 12.g4 Bg6 13.Nf3 Qe6+=; 10.Ng5 Bf5 11.0-0 Qd7 12.g4 Bg6 13.Nf3 Qe6+=; 10.e3 Bc5 11.0-0 d4 12.ed4 Nd4 13.Re1 c6+=; 10.c3 Bd6 11.Nbd2 Ne5 12.Ne5 Be5 13.Nf3 Bd6+=; 10.Nbd2 Rb8 11.0-0 Qd7 12.Ng5 Bf5 13.g4 Bg6+=; 10.Qd2 Bb4 11.c3 Bd6 12.Ba3 Ne5 13.Ne5 Be5+=) 10...Bc5 11.0-0 d4 12.c3 Qd7 13.cd4 Nd4+=; A4) 9...Bf5 10.0-0 (10.a3 d4 11.0-0 Qd7 12.Kh2 Rad8 13.c3 Bc5+=) 10...Qd7 11.Kh2 Rad8 12.e3 b5 13.Nbd2 a5+=; A5) 9...Qd6 10.0-0 (10.e3 Be6 11.Nbd2 Rab8 12.0-0 Qd7 13.g4 Qd6+=) 10...Qb4 11.Qc1 Be6 12.e3 Qd6 13.Nc3 Rad8+=; A6) 9...Bd7 10.e3 (10.Nbd2 Be6 11.e3 Qd7 12.g4 Qd6 13.a3 Nd7+=; 10.0-0 Be6 11.Ng5 Bf5 12.e4 de4 13.de4 Bg6+=) 10...Be6 11.0-0 Qd7 12.Ng5 Bf5 13.g4 Bg6+=; A7) 9...Bc5 10.0-0 Be6 11.Ng5 Bf5 12.Re1 Qe7 13.Qd2 Qd6+=; B) 9.0-0 B1) 9...Bf5 10.d3 (10.Nc3 Qd7 11.g4 Be6 12.d4 a6 13.Ng5 Rad8+=; 10.e3 Qd7 11.Kh2 Nb4 12.d3 c5 13.Ne5 Qa4+=) 10...Qd7 11.Kh2 Rad8 12.Nbd2 a6 13.Rb1 b6+=; B2) 9...a6 10.d3 (10.e3 Be6 11.d3 Qd7 12.g4 h5 13.g5 Nh7+=) 10...Bf5 11.e3 Rb8 12.Nc3 b5 13.Rb1 b4+=; B3) 9...Rb8 10.d3 (10.e3 Be6 11.d3 Qd7 12.g4 h5 13.g5 Nh7+=; 10.Nc3 Na5 11.d3 b5 12.e3 c5 13.Ne2 Nc6+=; 10.Re1 Be6 11.Ng5 Bf5 12.d3 d4 13.c3 h6+=; 10.a3 Bf5 11.d3 Qd7 12.g4 Be6 13.e3 Qd6+=) 10...Be6 11.e3 Qd7 12.g4 h5 13.g5 Nh7+=; B4) 9...Bd7 10.d3 (10.Nc3 Be6 11.e3 Qd7 12.Kh2 Rad8 13.Rb1 Rb8+=; 10.e3 Qc8 11.Kh2 Bf5 12.d3 Rb8 13.Nc3 b5+=; 10.a4 Be6 11.e3 Qd7 12.Kh2 Rad8 13.Nc3 a6+=; 10.Na3 Qc8 11.Kh2 a6 12.e3 b5 13.d3 b4+=; 10.Re1 Be6 11.Ng5 Bf5 12.d3 Qd7 13.e4 de4+=; 10.a3 Be6 11.e3 Ne4 12.d3 Nc5 13.Nd4 Nd4+=) 10...Qc8 11.Kh2 Bf5 12.Nbd2 Qd7 13.Rb1 Rab8=; B5) 9...a5 10.e3 (10.d3 a4 11.a3 Be6 12.e3 Qd7 13.g4 Qd6+=; 10.Nc3 a4 11.a3 Ne4 12.Nb5 Ra5 13.Nbd4 Nd4+=; 10.Na3 Bf5 11.Nb5 Qd7 12.g4 Be6 13.Rb1 Ne4+=; 10.Nd4 Nd4 11.Bd4 c5 12.Be5 Nd7 13.Bb2 Qb6+=; 10.a3 Bf5 11.Nc3 Qd7 12.g4 Be6 13.d4 Ne4+=; 10.Re1 Be6 11.Ng5 Bf5 12.d3 a4 13.e4 a3+=) 10...a4 11.a3 Be6 12.Nc3 Qd7 13.Ng5 Na5+=; B6) 9...Qd6 10.e3 (10.d3 Qb4 11.Ba3 Qb6 12.Be7 Re7 13.e3 d4+=; 10.Ba3 Qe6 11.Be7 Re7 12.e3 Ne4 13.c3 Qh6+=; 10.a3 Be6 11.e3 Rad8 12.d3 Qd7 13.Kh2 a6+=; 10.Na3 a6 11.e3 b5 12.d3 Bf5 13.Nb1 b4+=) 10...Be6 11.Nc3 Rad8 12.Rb1 Qd7 13.Kh2 Rb8+=; B7) 9...Be6 10.d3 (10.Nc3 Qd7 11.Kh2 d4 12.Nb5 Bc5 13.e3 Bc4+=; 10.e3 Qd7 11.Ng5 Bf5 12.g4 Bg6 13.d3 h5+=; 10.Na3 Qd7 11.Ng5 Bf5 12.g4 Bg6 13.e3 d4-/+; 10.Ng5 Bf5 11.d3 Qd7 12.g4 Bg6 13.Nf3 Qe6+=) 10...Qd7 11.Ng5 Bf5 12.g4 Bg6 13.Nf3 Qe6+=; C) 9.a3 C1) 9...d4 10.d3 Bf5 11.0-0 Qd7 12.Kh2 Be6 13.c3 dc3+=; C2) 9...Bf5 10.d3 (10.e3 Bc5 11.0-0 d4 12.ed4 Nd4 13.d3 c6+=) 10...a6 11.e3 b5 12.Nbd2 Rb8 13.0-0 Qd6+=; C3) 9...Bc5 10.d3 (10.0-0 d4 11.e3 Bf5 12.ed4 Nd4 13.d3 c6+=) 10...d4 11.c3 Be6 12.Qc2 dc3 13.Nc3 Be7=; C4) 9...a6 10.e3 (10.0-0 Bf5 11.d3 Qd7 12.g4 Be6 13.e3 Qd6+=; 10.d3 Be6 11.e3 Qd7 12.Nbd2 Rad8 13.g4 Qd6+=) 10...Bc5 11.0-0 d4 12.Qe2 Ne4 13.Qd3 de3+=; C5) 9...Bd7 10.e3 (10.0-0 Be6 11.e3 Rb8 12.d3 Qd7 13.g4 Qd6+=; 10.d3 Bc5 11.0-0 Be6 12.Qc1 Rb8 13.Nbd2 Bb6+=; 10.Nc3 Bf5 11.0-0 Qd7 12.g4 Be6 13.e3 h5+=) 10...Be6 11.d3 a6 12.Nbd2 Bc5 13.Nb3 Bd6=; C6) 9...Ne4 10.e3 (10.0-0 Bf6 11.Bf6 Qf6 12.c3 d4 13.Qb3 dc3+=; 10.d3 Nc5 11.0-0 Na4 12.Bc1 d4 13.c4 Nc5+=) 10...Bf6 11.Bf6 Qf6 12.d4 Bf5 13.g4 Be6+=; C7) 9...Be6 10.d3 (10.e3 Qd7 11.d3 a6 12.Nbd2 Rad8 13.g4 Qd6+=) 10...a6 11.e3 Bc5 12.0-0 d4 13.ed4 Nd4+=; D) 9.c3 D1) 9...Be6 10.d3 (10.Ba3 d4 11.Be7 Re7 12.cd4 Nd4 13.Nd4 Qd4+=; 10.0-0 Qd7 11.Kh2 Bf5 12.d3 Bd6 13.Ba3 Ne5+=; 10.e3 Bf5 11.d3 Nd7 12.0-0 Nc5 13.d4 Ne4-/+; 10.Qc2 Bd6 11.d3 Qe7 12.0-0 Rad8 13.Nbd2 Qd7+=; 10.a3 Qd7 11.d3 Bd6 12.Qc2 Rad8 13.Nbd2 a6+=) 10...Bd6 11.Nbd2 Qd7 12.c4 Be7 13.Ng5 dc4+=; D2) 9...Rb8 10.d3 (10.0-0 Bf5 11.d3 Bc5 12.e3 Qe7 13.Qc2 Bd6+=; 10.Ba3 Bf5 11.d3 b5 12.Be7 Qe7 13.g4 Be6+=) 10...Be6 11.0-0 Qd7 12.Kh2 Bc5 13.Nbd2 Qe7+=; D3) 9...Bf5 10.d3 (10.0-0 Qd7 11.Kh2 Rad8 12.d3 Bd6 13.Ba3 Ne5+=; 10.a3 Bd6 11.d3 Qe7 12.g4 Be6 13.e3 Nd7-/+; 10.a4 Bd6 11.d3 Ne5 12.Ne5 Be5 13.Qb3 c6-/+) 10...Bc5 11.Ba3 Bb6 12.0-0 Ne5 13.Nbd2 Nf3+=; D4) 9...Bc5 10.Ba3 (10.d3 Qe7 11.Nbd2 a5 12.a4 Bf5 13.Nb3 Bd6+=) 10...Ba3 11.Na3 Qe7 12.Nc2 Bf5 13.d3 Ne5+=; D5) 9...Qd7 10.e3 (10.d3 Qf5 11.g4 Qe6 12.Nbd2 Nd7 13.Nb3 Nde5+=; 10.0-0 Qf5 11.Na3 a6 12.Rb1 Be6 13.d3 b5+=; 10.Ba3 d4 11.Be7 Re7 12.0-0 Rb8 13.Re1 b5+=; 10.Bc1 Rb8 11.d3 Bd6 12.Ba3 b5 13.Bd6 Qd6+=) 10...Na5 11.d3 Rb8 12.Nbd2 Nc6 13.Qc2 Qd6+=; D6) 9...Bd7 10.0-0 (10.d3 Bf5 11.0-0 Qd7 12.Kh2 Bd6 13.Ba3 Re7+=; 10.Ba3 Na5 11.Be7 Qe7 12.e3 Nc4 13.0-0 Bf5+=) 10...Na5 11.d3 c5 12.Nbd2 c4 13.Nd4 Qc7+=; D7) 9...Bd6 10.Ba3 (10.0-0 Bf5 11.Ba3 Ba3 12.Na3 Qd7 13.Kh2 Qe7+=) 10...Bf5 11.0-0 Ba3 12.Na3 Qd7 13.Kh2 Qe7+=; E) 9.e3 E1) 9...Be6 10.0-0 (10.Nc3 Qd7 11.a3 d4 12.Nb5 Bc5 13.Qe2 Bd5+=; 10.d3 Bc5 11.0-0 d4 12.ed4 Nd4 13.Re1 c6+=; 10.a3 Ne4 11.0-0 Nd6 12.d3 Qd7 13.Kh2 Rad8+=) 10...Ne4 11.d3 Bf6 12.Qc1 Nc5 13.Nbd2 Na4+=; E2) 9...Bf5 10.0-0 (10.a3 Bc5 11.0-0 d4 12.ed4 Nd4 13.d3 c6+=; 10.g4 Bg6 11.d3 Bb4 12.c3 Bd6 13.Nh4 Re3+=; 10.d3 Bb4 11.Nfd2 Ne5 12.g4 Bg6 13.a3 Ba5+=; 10.a4 Nb4 11.d3 c5 12.0-0 Qd6 13.Nc3 Qb6+=; 10.Nh4 Be6 11.Nf3 Bc5 12.0-0 d4 13.Re1 Bd5+=) 10...Qd7 11.g4 Be6 12.d3 Rad8 13.Nc3 h6+=; E3) 9...Qd6 10.0-0 (10.Nc3 Be6 11.0-0 Rad8 12.Rb1 Qd7 13.Kh2 Ne4+=; 10.d3 Qb4 11.Bc3 Qa4 12.0-0 Be6 13.a3 a6+=; 10.a3 Bf5 11.d3 Rad8 12.g4 Be6 13.Nbd2 Nd7+=) 10...Be6 11.Nc3 Rad8 12.Rb1 Qd7 13.Kh2 Rb8+=; E4) 9...Bd7 10.d3 (10.0-0 Be6 11.Nc3 Qd7 12.Kh2 Rab8 13.Rb1 a5+=; 10.Nc3 Bf5 11.0-0 Qd7 12.g4 Be6 13.d3 Qd6=; 10.a3 Bf5 11.d3 Rb8 12.0-0 b5 13.Nc3 Qd6+=) 10...Be6 11.Nbd2 Qd7 12.Rb1 Nd8 13.Nd4 c6=; E5) 9...a6 10.0-0 (10.a3 Be6 11.Nc3 Rb8 12.0-0 Qd6 13.d3 b5+=) 10...Be6 11.d3 Qd7 12.g4 h5 13.g5 Nh7+=.

8.h3 Bf5 9.0-0 Qe7 (9...Bc5 10.d3 (10.e3 d4 11.ed4 Nd4 12.d3 c6 13.Nbd2 Ne2-/+) 10...Qd6 11.g4 Bg6 12.Nh4 Ne7 13.c4 d4+=; 9...Qd6 10.d3 (10.e3 Qe6 11.Nh4 Bh3 12.Bh3 Qh3 13.Bf6 gf6+=; 10.Nc3 Qd7 11.g4 Be6 12.Nb5 Ne4 13.a3 Be7+=) 10...Bc5 11.g4 Bg6 12.Nh4 Ne7 13.e3 c6+=; 9...Be7 10.e3 (10.Nc3 Qd7 11.g4 Be6 12.d4 a6 13.Ng5 Rad8+=; 10.d3 Qd7 11.g4 Be6 12.e3 Rad8 13.Nc3 Qd6+=) 10...Qd7 11.g4 Be6 12.d3 Rad8 13.Nc3 h6+=; 9...a6 10.e3 (10.d3 Qe7 11.e3 Rad8 12.Nbd2 Nd7 13.Nb3 Nb6+=; 10.a3 Bc5 11.d3 Qd6 12.e3 d4 13.ed4 Nd4+=) 10...Be7 11.d3 Qd6 12.Nc3 Rab8 13.Ne2 b5+=; 9...Rb8 10.d3 (10.e3 Bc5 11.Nc3 Qd7 12.Kh2 b5 13.d3 a5+=; 10.Nc3 Qd7 11.Nb5 a6 12.Bf6 ab5 13.g4 Bg4-/+; 10.a3 Bc5 11.d3 Be6 12.Qc1 d4 13.c3 Qd7+=) 10...Qe7 11.e3 Bd6 12.Nbd2 b5 13.Rb1 b4+=; 9...d4 10.c3 dc3 11.Bc3 Qd6 12.d3 Rad8 13.Bb4 Nb4+=) 10.e3 (10.a3 Bc5 11.Nc3 Qd7 12.g4 Be6 13.e3 Qe7+=) 10...Rad8 (10...Qe6 11.d3 Be7 12.Nc3 Rad8 13.g4 Bg6=) 11.d3 Bc5 (11...a6 12.Nbd2 b6 13.a3 Bd6=) 12.Nbd2 Ba3 (12...a6 13.Rb1 b6=) 13.Qc1 (13.Qb1 b6+=) 13...Bb2 (13...Bb4+=) 14.Qb2 b6 15.Rae1 Nb4 16.Qb3 c5 17.Nh4 Be6 18.a3 Nc6 19.Qb2 Qd7 20.Kh2 d4 21.e4 a6 22.f4 Qc7 23.e5 Nd5 24.Nc4 b5 (24...b5 25.Nd6 Re7=). Amaro,Angel – Gutierrez,Jorge, UECC, 1998.

8.h3 Bf5 9.e3 A) 9...Bc5 10.Nc3 (10.0-0 d4 11.ed4 Nd4 12.d3 Ne2 13.Kh2 Qd6+=; 10.Na3 a6 11.0-0 Qe7 12.Nb1 Rad8 13.Re1 Qd6+=; 10.a4 d4 11.0-0 d3 12.c4 Ne4 13.Nh4 Bd7-/+) 10...d4 11.Na4 Bb4 12.0-0 d3 13.Ne1 dc2+=; B) 9...Be7 10.0-0 (10.g4 Bg6 11.d3 Bb4 12.c3 Bd6 13.Nh4 Re3+=; 10.a3 Bc5 11.Nc3 d4 12.Na4 Bf8 13.0-0 d3+=; 10.d3 Bb4 11.Nfd2 Ne5 12.g4 Bg6 13.a3 Ba5+=; 10.a4 Nb4 11.d3 c5 12.0-0 Qc8 13.g4 Be6+=; 10.Nh4 Be6 11.Nf3 Qd7 12.Nc3 d4 13.Ne2 de3+=) 10...Qd7 11.g4 Be6 12.d3 Rad8 13.Nc3 Kh8=; C) 9...Qe7 10.0-0 Qe6 11.d3 h6 12.Nh4 Bh3 13.Bh3 Qh3=; D) 9...Na5 10.0-0 (10.a3 Be7 11.d3 c5 12.Nbd2 Nc6 13.Rb1 d4+=) 10...Nc4 11.Bd4 Be7 12.d3 Nb6 13.a4 c5+=; E) 9...Qd6 10.0-0 (10.a3 Bc5 11.Nc3 a6 12.g4 Bg6 13.d4 Bb6+=) 10...Qe6 11.Nh4 Bh3 12.Bh3 Qh3 13.Bf6 gf6+=; F) 9...d4 10.c3 (10.Bd4 Nd4 11.Nd4 Qd4 12.c3 Bc3 13.Nc3 c6+=; 10.Nd4 Nd4 11.Bd4 Qd4 12.c3 Bc3 13.Nc3 c6+=; 10.0-0 Bc5 11.Re1 Qd6 12.ed4 Nd4 13.Bd4 Bd4+=) 10...Bc5 11.cd4 Nd4 12.Nd4 Bd4 13.Nc3 c5+=.

7.Bg2 d6

8.0-0 Bf5 9.c3 Ba5 10.Re1 Qd7 11.Qb3 (11.d3 Bb6+=) 11...Bb6 12.d3 Ng4 13.d4 Na5 14.Qd1 Nc4 (14...Qb5 15.Qd2 Nc4 16.Na3 Nd2 17.Nb5+=) 15.Bc1+= c6 (15...Nf6 16.Nbd2 Na5 17.a4+=) 16.Nbd2= Nce3 (better is 16...Nd2!? 17.Nd2 h6=) 17.fe3+= Ne3 18.Qa4 Nc2 19.e4 (19.Bb2!?+=) 19...Ne1= 20.Ne1 d5 21.Kh1 (better is 21.Nc2!? Bh3 22.Ne3=) 21...de4+= 22.Nf1 c5 23.Qd7 Bd7 24.Be3 (24.d5 Bc7+=) 24...Ba5 (24...cd4 25.cd4 Rac8 26.d5-/+) 25.Rc1 cd4 26.Bd4 Bb5 (26...f5 27.Ne3-/+) 27.Ne3+= Bc7 28.Nd5 Bd6 29.c4 Bc6 (29...Rac8 30.Ne3+=) 30.Ne3 (30.Nc2 Bd5 31.cd5 Rac8-/+) 30...Be5 31.N1c2 Ba4 32.Be5 Re5 33.Rd1 (33.Nb4 Rd8+=) 33...Bc2 34.Nc2 Rae8 35.Ne3 Ra5 36.Rd2 Ra3 37.Re2 Rd3 38.Kg1 Re6 39.Kf2 Rd8 (39...Rd4!?-/+) 40.Nd5= f5 41.g4 g6 (41...fg4 42.Kg3=) 42.gf5+= gf5 43.Bh3 b5 44.Nf4 (better is 44.Ke3!? bc4 45.Bf5+=) 44...Re5+= 45.cb5 Rb5 46.Rc2 Re5 (46...Ra5 47.Bf1=) 47.Ke3 Ra5+= 48.Bf1 Ra3-/+ 49.Ke2 Rd6 50.Ke1 Kg7 51.Be2 Kf6 52.Nh5 Ke5-+ 53.Kf2 Ra5 54.Ng3 f4 55.Nf1 Rg6 56.Bc4? Rc6 57.Ke2 f3 58.Kf2 Kf4 59.Rc3 Ra2!! 60.Ba2 Rc3 (60...Rc3 61.Bb1 Rc1-+) 0–1. zrenjanin (1965) – ancona (1905), gameknot.com, 2010.

8.a3 Ba5 9.0-0 a6 (9...Qe7 10.Re1+= (10.e3 Ne5 11.Ne5 de5 12.Nc3 c6 13.Ne4 Ne4; 10.Qc1 Bg4 11.e3 d5 12.Qd1 Qe6 13.h3 Bf5) 10...Ne4 11.c3 Bb6 12.e3 Bg4 13.h3 Bh5; 9...Ne5 10.Ne5 (10.Re1 c6 11.Bd4 Qe7 12.c3 Bg4 13.Be3 Nf3; 10.Bc3 Nf3 11.Bf3 Bc3 12.Nc3 d5 13.e3 c6; 10.Nd4 Bb6 11.e3 d5 12.Nb3 Bg4 13.f3 Bf5) 10...de5 11.Bc3 Bb6 12.e3 c6 13.d3 Bg4; 9...Be6 10.Nc3 (10.e3 d5 11.Qe2 a6 12.d3 Bb6 13.Qd2 Qe7; 10.d3 Rb8 11.Nbd2 Qe7 12.c4 Bb6 13.e3 Bg4; 10.Ng5 Bf5 11.e3 d5 12.Nf3 Qd6 13.d3 Qe6) 10...d5 11.Nb5 Qe7 12.Rb1 Bg4 13.Nbd4 Nd4; 9...d5 10.e3 (10.Nc3 Ne4 11.Nb1 Bg4 12.h3 Bf3 13.Bf3 d4; 10.Re1 Bg4 11.h3 Bf5 12.e3 Qd6 13.Bc3 Bb6) 10...Bg4 11.h3 Bh5 12.g4 Bg6 13.Nh4 Bb6) 10.Nc3 (10.e3 Bg4 11.h3 Bf5 12.d3 Qe7 13.Nbd2 Bb6; 10.c4 d5 11.cd5 Nd5 12.d3 Bg4 13.h3 Be6; 10.d3 Rb8 11.e3 b5 12.Nbd2 Ne5 13.Nb3 Bb6) 10...Bg4 (10...d5 11.e3 Bg4 12.h3 Bh5 13.g4 Bg6) 11.Rb1 Qc8 (11...d5 12.h3 Bf3 13.Bf3+= Ne5) 12.Ba1 (12.Kh1 d5 13.Na4 Ne4) 12...d5 (12...Rb8 13.Re1 d5) 13.Na2 Ne4 14.Nb4 Nb4 15.ab4 Bb6 16.d3 Nd6 17.Qd2 f6 (17...Qf5 18.Rfe1+=) 18.e3= Bh3 (18...Qf5 19.Nd4 Bd4 20.Bd4+=) 19.Bd4 Qg4 (19...Bg2 20.Kg2 Bd4 21.Nd4=) 20.Bb6 cb6 21.Ra1 Rac8 (21...Nb5 22.Bh3 Qh3 23.c3=) 22.c3 Nb5 23.Rfc1 Bg2 24.Kg2 Rc7 (24...Qe6 25.Nd4 Nd4 26.cd4=) 25.c4 +=.

8.a3 Ba5 9.Nc3 A) 9...Qe7 10.e3 (10.Rb1 Ne5 11.Ne5 de5 12.0-0 c6 13.Qc1 Bg4) 10...Bc3 11.Bc3 Nd5 12.Bb2 Nb6 13.Rb1 Nc4; B) 9...d5 10.0-0 (10.Rb1 d4 11.Na2 Bg4 12.0-0 Ne4 13.c3 d3; 10.Nb5 Bg4 11.0-0 Ne4 12.Nc3 Nc3 13.Bc3 Bc3; 10.Nb1 d4 11.0-0 Bf5 12.e3 d3 13.c4 Ne4) 10...Ne4 11.Nb5 Bg4 12.Nc3 Bc3 13.Bc3 Nc3; C) 9...Bf5 10.0-0 (10.Rb1 d5 11.0-0 d4 12.Nb5 Bb6 13.e3 d3; 10.h3 d5 11.0-0 Qd7 12.Na4 Qd6 13.e3 a6) 10...d5 11.e3 Ne4 12.Ne4 de4 13.Nd4 Nd4; D) 9...Ne5 10.Ne5 (10.e3 Nc4 11.Qc1 d5 12.Nd4 c5 13.Nb3 d4) 10...de5 11.Rb1 c6 12.0-0 Qd6 13.Qe1 Bc3.

8.a3 Ba5 9.h3 A) 9...Bf5 10.0-0 (10.Nc3 d5 11.0-0 Qd7 12.Na4 Qd6 13.e3 Rab8) 10...Ne5 11.Nd4 Bd7 12.d3 d5 13.e3 c6; B) 9...Qe7 10.e3 (10.Nc3 Rb8 11.e3 Bc3 12.Bc3 Nd5 13.Bb2 Nb6; 10.Bc3 Nd5 11.Ba5 Na5 12.Nd4 Nf6 13.Nc3 d5) 10...Be6 11.0-0 Ne5 12.d3 Rab8 13.Nd4 Bd7; C) 9...Be6 10.0-0 Qe7 11.Nc3 d5 12.e3 Rad8 13.Rb1 Rb8; D) 9...Ne5 10.Ne5 (10.e3 Nc4 11.Bc3 c6 12.0-0 Bc3 13.Nc3 Qa5; 10.Nd4 Nc4 11.Bc3 Ne4 12.Ba5 Na5 13.c3 c5) 10...de5 11.0-0 c6 12.d3 Be6 13.Nd2 Qd6.

8.a3 Bc5 A) 9.0-0 A1) 9...Qe7 10.d4 (10.Nc3 d5 11.e3 Bg4 12.h3 Bf5 13.Nb5 Rac8; 10.e3 d5 11.Nc3 Bg4 12.h3 Bf5 13.Nb5 Rac8; 10.Bf6 Qf6 11.Nc3 Bb6 12.Nd5 Qe6 13.Nf4 Qf5) 10...Bb6 11.e3 Be6 12.Qd3 d5 13.Nbd2 Qd7; A2) 9...Be6 10.d4 (10.e3 Na5 11.Ng5 Bg4 12.Bf6 Qf6 13.Qg4 Qa1; 10.Nc3 d5 11.e3 a6 12.d3 Rb8 13.Ne2 Bd6) 10...Bb6 11.Nc3 Ba5 12.Qd3 d5 13.Ne5 Ne7; A3) 9...d5 10.e3 (10.Re1 d4 11.e3 Bg4 12.h3 de3 13.de3 Bd7; 10.d4 Bd6 11.Qd3 Ne7 12.Nbd2 Bf5 13.Qb3 b5; 10.Nc3 d4 11.Na4 Be7 12.e3 Qd7 13.ed4 Nd4) 10...Bg4 11.h3 Bf5 12.Nc3 Qe7 13.d3 a6; B) 9.Nc3 B1) 9...Ne5 10.d4 (10.0-0 Nf3 11.Bf3 d5 12.d4 Bb6 13.Qd3 Ba5) 10...Nf3 11.Bf3 Bb6 12.0-0 d5 13.Qd3 Ba5; B2) 9...Na5 10.Na4 (10.d3 d5 11.0-0 c6 12.e3 b5 13.Re1 Bg4; 10.0-0 Nc4 11.Na4 Nb2 12.Nb2 Qe7 13.d4 Bb6; 10.d4 Bb6 11.Qd3 c6 12.0-0 Be6 13.Nd2 d5) 10...Nc4 11.Bc1 Ne4 12.Nc5 Nc5 13.0-0 Ne4; B3) 9...a6 10.0-0 (10.Na4 Ba7 11.0-0 Ne5 12.Ne5 de5 13.Nc3 Bc5; 10.d4 Bb6 11.0-0 Bf5 12.Nh4 Bd7 13.e3 Ba5; 10.e3 d5 11.0-0 Qe7 12.d3 Rb8 13.Re1 b5) 10...d5 11.e3 Qe7 12.d3 Be6 13.Ng5 Bd7; B4) 9...d5 10.e3 (10.0-0 Nd4 11.Nd4 Bd4 12.e3 Bc5 13.Nb5 Qd7; 10.Na4 Bd6 11.0-0 a6 12.Re1 Bf5 13.Nc3 Rb8; 10.d4 Bb6 11.0-0 Qe7 12.Qd3 Bg4 13.Rfe1 Bf3) 10...Bg4 11.h3 Bf5 12.0-0 Qe7 13.Nb5 Rac8; C) 9.e3 C1) 9...Be6 10.0-0 (10.Nc3 d5 11.0-0 a6 12.d3 Rb8 13.Ne2 Bd6; 10.d4 Bb6 11.Nbd2 d5 12.0-0 Rb8 13.Rc1 Ba5; 10.d3 Qe7 11.Nc3 d5 12.0-0 a6 13.Qb1 b5) 10...d5 11.Nc3 a6 12.Ne2 Bd6 13.Qb1 b5; C2) 9...Qe7 10.d4 (10.0-0 d5 11.Nc3 Bg4 12.h3 Bf5 13.Nb5 Rac8; 10.Nc3 d5 11.0-0 Bg4 12.h3 Bf5 13.Nb5 Rac8; 10.d3 Bg4 11.0-0 d5 12.h3 Be6 13.Nbd2 Rad8) 10...Bb6 11.0-0 Be6 12.Qd3 d5 13.Nbd2 Qd7; C3) 9...Bg4 10.d4 (10.0-0 d5 11.h3 Bf5 12.Re1 Qd6 13.Nc3 Qd7; 10.h3 Bf5 11.0-0 d5 12.Re1 Be7 13.d3 Qc8; 10.Nc3 d5 11.h3 Bf5 12.0-0 Qd7 13.g4 Be6) 10...Bb6 11.0-0 d5 12.Nbd2 Ne4 13.h3 Bh5; C4) 9...d5 10.0-0 (10.Nc3 Bg4 11.h3 Bf5 12.0-0 Qd7 13.g4 Be6) 10...Bg4 11.h3 Bf5 12.Nc3 Qd7 13.g4 Be6; D) 9.d4 Bb6 10.c4+= (10.Nbd2 d5 11.Rb1 Ne4 12.0-0 Qe7 13.e3 Bg4; 10.0-0 d5 11.e3 Bf5 12.Nbd2 Qc8 13.Re1 Bh3; 10.e3 d5 11.0-0 Be6 12.Nbd2 Bf5 13.Ne5 Ne5) 10...d5 11.c5 Ba5 12.Bc3 b6 13.0-0 bc5.

7.Bg2 Qe7

8.a3 A) 8...Bc5 A1) 9.d4 Bb6 10.e3 d5 11.0-0 Bg4 12.Qd3 Qd7 13.Nbd2 Bf5 14.Qc3 h6; A2) 9.e3 d5 (9...b6 10.0-0 d5 11.d4 Bd6 12.Qd3 h6 13.Nc3 Qe6 14.Rfd1 Qf5; 9...Bb6 10.Nc3 d5 11.0-0 Bg4 12.h3 Bf5 13.Ne2 Rad8 14.Nf4 Bc5; 9...h6 10.d4 Bb6 11.0-0 d5 12.Qd3 Qd6 13.Nc3 a6 14.Na4 Ne4; 9...d6 10.d4 Bb6 11.0-0 Bg4 12.Nc3 h6 13.h3 Bf5 14.d5 Ne5) 10.0-0 Bf5 11.Nc3 Bg4 12.d4 Bd6 13.Qd3 g6 14.Nb5 Ne4; A3) 9.Bf6 Qf6 10.Nc3 b6 11.0-0 Ba6 12.Re1 Rab8 13.e3 Bc4 14.d4 Bd6; A4) 9.Nc3 d5 (9...Na5 10.d4 Nc4 11.dc5 Nb2 12.Qd4 b6 13.cb6 ab6 14.0-0 Ba6; 9...Bb6 10.0-0 d5 11.d4 Bg4 12.Qd3 Qd7 13.e3 h6 14.Rfd1 Ba5; 9...h6 10.d4 Bb6 11.0-0 d5 12.Qd3 Bg4 13.Rfd1 Qe6 14.e3 Na5; 9...a6 10.0-0 d5 11.d4 Bb6 12.e3 Qd6 13.Qd3 g6 14.Na4 Bf5) 10.d4 Bd6 11.0-0 h6 12.Qd3 Bg4 13.Rfe1 Qd7 14.Nd2 Be7; B) 8...Ba5 9.e3 d5 (9...a6 10.Nc3 d5 11.0-0 Qd6 12.d4 h6 13.Qd3 Ne4 14.Nh4 g5; 9...h6 10.0-0 d5 11.Nc3 Bg4 12.Qe2 a6 13.Qd3 Qd7 14.Ne2 Ne4; 9...g6 10.Nc3 d5 11.0-0 Bg4 12.h3 Bf5 13.Ne2 Rad8 14.d3 Bb6; 9...d6 10.0-0 Bg4 11.h3 Bf5 12.Nc3 Qd7 13.g4 Bg6 14.Ne2 h5) 10.0-0 Bg4 11.h3 Bf5 12.Nc3 h6 13.Ne2 Rad8 14.d3 Rd6.

8.Nc3 A) 8...d5 A1) 9.Rb1 Bg4 (9...Qc5 10.0-0 d4 11.Na4 Qa5 12.c3 dc3 13.dc3 Bd6 14.Nd4 Ne5; 9...h6 10.0-0 a6 11.Re1 Qc5 12.e3 Bf5 13.a3 Ba5 14.Nh4 Bh7; 9...a6 10.0-0 h6 11.e3 Bg4 12.Ne2 Ne4 13.d3 Ng5 14.Nf4 Qd7; 9...Bf5 10.0-0 Rad8 11.e3 Qc5 12.a3 Ba5 13.d4 Qc4 14.Nd2 Qa6) 10.0-0 Qc5 11.a3 Bc3 12.Bc3 d4 13.Bb4 Qd5 14.d3 Nb4; A2) 9.a3 Bc3 (9...Bd6 10.0-0 Bg4 11.h3 Bf5 12.Re1 h6 13.Nb5 Be5 14.Ne5 Ne5; 9...Ba5 10.0-0 Bg4 11.Rb1 h6 12.d4 Qd7 13.e3 Ne4 14.Qd3 Bf5) 10.Bc3 Ne4 11.Bb2 Qc5 12.0-0 Bg4 13.d4 Qb5 14.Rb1 Qc4; A3) 9.0-0 Bg4 (9...a6 10.a3 Bd6 11.d4 h6 12.Qd3 Qe6 13.Nd2 Qf5 14.e4 de4; 9...Qc5 10.e3 Bf5 11.d4 Qa5 12.Nh4 Bc3 13.Bc3 Qc3 14.Nf5 g6; 9...Ba5 10.Re1 a6 11.e3 Qd6 12.a4 Bg4 13.h3 Bd7 14.Ne2 Ne4; 9...Bd7 10.Re1 h6 11.Nb5 Rac8 12.a3 Ba5 13.e3 Ne4 14.Qe2 Qc5) 10.h3 Bd7 11.e3 Qc5 12.Ne2 Ne4 13.d3 Nc3 14.Bc3 Bc3; B) 8...Bc3 9.Bc3 Nd5 (9...Ne4 10.Bb2 d5 11.0-0 Bg4 12.d3 Nc5 13.Ba3 d4 14.c3 dc3; 9...d6 10.0-0 Qe2 11.Qe2 Re2 12.Rfe1 Re1 13.Re1 Be6 14.Nd4 Nd4; 9...b6 10.Nd4 Ba6 11.e3 Qd6 12.Nc6 dc6 13.d3 Nd5 14.Bd2 f5; 9...d5 10.0-0 Ne4 11.Bb2 Qc5 12.d4 Qa5 13.Qd3 f6 14.Qb3 Be6) 10.0-0 b6 11.Bb2 Qe2 12.Ng5 Qd1 13.Rad1 Nf6 14.Rfe1 Bb7; C) 8...b6 C1) 9.Nb5 Ba6 10.a4 Rac8 11.c3 Bc5 12.e3 Bb7 13.0-0 a6 14.d4 ab5; C2) 9.a3 Bc3 (9...Ba5 10.0-0 Bc3 11.dc3 Qe2 12.Qe2 Re2 13.Nd4 Nd4 14.Ba8 Rc2) 10.Bc3 Ne4 11.Bb2 Nc5 12.0-0 Qe2 13.Qe2 Re2 14.Rfe1 Re1; C3) 9.0-0 Ba6 (9...Bc3 10.dc3 Qe2 11.Qe2 Re2 12.Nd4 Nd4 13.Ba8 Rc2 14.cd4 Rb2) 10.Re1 Qc5 11.e3 Rab8 12.a4 Bc3 13.dc3 d5 14.Nd2 Ne5.

8.e3 h5 A) 9.Nc3 d6 (9...d5 10.0-0 Bg4 11.h3 Bd7 12.Ne2 Bd6 13.Nf4 Bf4 14.ef4 Qc5; 9...a6 10.a3 Ba5 11.0-0 d5 12.Ne2 Bg4 13.Nf4 Ne4 14.h3 Bf3) 10.0-0 Ba5 11.Ne2 Bg4 12.h3 Bf3 13.Bf3 Ne4 14.Be4 Qe4; B) 9.a3 Ba5 (9...Bc5 10.d4 Bb6 11.Nc3 d5 12.Qd3 Bg4 13.0-0 Qd7 14.Nh4 Rad8) 10.Nc3 d5 11.0-0 Bg4 12.h3 Bf5 13.Nh4 Be6 14.Nb5 a6; C) 9.c3 Bd6 (9...Ba5 10.0-0 d5 11.Qb3 Bf5 12.Na3 Bd3 13.Rfc1 Be4 14.Rd1 Qd7; 9...Bc5 10.d4 Bb6 11.Nbd2 d5 12.Qc2 Qe6 13.0-0 Qf5 14.Qf5 Bf5) 10.0-0 b6 11.c4 Qe6 12.d3 Bb7 13.Nc3 a6 14.e4 Qg4; D) 9.0-0 d5 (9...d6 10.a3 Ba5 11.Nc3 Bg4 12.h3 Bd7 13.Rb1 Rab8 14.Ng5 d5; 9...Rd8 10.Nc3 d5 11.Nb5 Bf5 12.Nh4 Bg4 13.f3 Bc8 14.Bf6 Qf6; 9...b6 10.a3 Ba5 11.Nd4 Nd4 12.Bd4 Ba6 13.Re1 Rab8 14.Nc3 c5) 10.Nc3 Bg4 11.h3 Bd7 12.Ne2 Bd6 13.Nf4 Bf4 14.ef4 Qc5.

8.e3 h6 A) 9.0-0 d5 (9...d6 10.a3 Ba5 11.Nc3 Bg4 12.h3 Bd7 13.d3 d5 14.Ne2 Nh5; 9...a6 10.a3 Ba5 11.Nc3 d5 12.Ne2 Qd6 13.d3 Bb6 14.Nf4 g5) 10.a3 Ba5 11.Nc3 Bg4 12.Qe2 a6 13.Qd3 Qd7 14.Ne2 Ne4; B) 9.Nc3 d5 (9...d6 10.0-0 Bg4 11.h3 Be6 12.Qe2 d5 13.a3 Bc5 14.d4 Bd6) 10.0-0 Bg4 11.h3 Bh5 12.Ne2 Bd6 13.Re1 Bf3 14.Bf3 Ne5; C) 9.c3 Bd6 (9...Ba5 10.0-0 d5 11.d4 Bf5 12.Nbd2 Bb6 13.Qb3 Qe6 14.c4 Na5; 9...Bc5 10.d4 Bb6 11.Nbd2 d5 12.Qc2 g6 13.0-0 Bf5 14.Qb3 a5) 10.0-0 b6 11.c4 Ba6 12.d3 b5 13.cb5 Bb5 14.Nc3 Rab8; D) 9.a3 Ba5 (9...Bc5 10.d4 Bb6 11.0-0 d5 12.Qd3 Bg4 13.h3 Bh5 14.Nh4 Ne4) 10.Nc3 d5 11.0-0 Bg4 12.Qe2 Nd4 13.Qd1 Nf3 14.Bf3 h5.

8.e3 d5

9.0-0 a6 10.Nc3 Bg4 11.Ne2 Rad8 12.a3 Ba5 13.d3 Qc5 14.Rb1 b5.

9.0-0 Bd6 10.d3 Bg4 11.Nbd2 Rad8 (11...b5 12.c4 dc4 13.dc4=) 12.Rb1= b6 (12...a5 13.h3 Bc8 14.Nb3=) 13.h3 (13.c4 Ne5 14.cd5 Nd3 15.Bf6 Qf6+=) 13...Bc8 (13...Bf5 14.Nb3=) 14.Re1 (14.c4 Nb4+=) 14...Ne5 (14...Bb4 15.e4 de4 16.Bf6 Qf6 17.Ne4=) 15.e4 (15.Nd4 Bd7=) 15...de4= 16.Ne4 Ne4 (16...Nf3 17.Bf3 Ne4 18.Be4=) 17.Re4 (17.Ne5 Be5 A) 18.Be4?! Qc5+= (18...Bh3? 19.Qh5 g6 20.Qh3+-); B) 18.Re4+/–) 17...Nf3= 18.Qf3 Qg5 19.Rbe1 Re4 20.Qe4 Be6 21.c4 Bb4 22.Re3 Qg6 23.Qe5 Bd6 24.Qb5 (24.Qd4=) 24...c5 (24...Bc5 25.d4 Qb1 26.Kh2+=) 25.Qa6 (25.Qa4 Bf8+=) 25...Bf8 The backward pawn on d3 becomes a target 26.Qa3 (26.Qa4 Rd3 27.Be4 Re3 28.Bg6 Re1 29.Kg2 hg6=) 26...Rd7 (26...b5 27.cb5 c4 28.Qa5 (28.Qa7? cd3 29.Qa4 d2-+) 28...Rd3 29.Rd3 Qd3 30.Qe1+=) 27.Bc6 (27.h4 Re7+=) 27...Rc7 28.Be4 Qh5 29.g4 (29.h4 Qd1 30.Kg2 Re7=) 29...Qh4= 30.Be5 Rd7 (30...Re7!?=) 31.Bc6+= Rd4? (31...Rd8+=) 32.Qc3?? (better is 32.Qa7 Rd8 33.Qb6+-) 32...Rd8 (better is 32...h5 33.Qe1 Bd7 (33...hg4? 34.Bd4 gh3 35.Be5+-) 34.Bd7 Rd7=) 33.Bg3?? (better is 33.Bg2+=) 33...Qh3-+ 34.Be5 Qg4 35.Rg3 Qd1 36.Kg2 g6 37.Rf3? Qe2 38.Bf6 Rd6 39.Be4 Rd7 40.Rg3 Qd1 41.Bc6 Rd6 42.Bf3?? Qd3 0–1. Valenta,Vit (2075) – Holemar,David (2280), Znojmo Rotunda op, 2002.

9.0-0 Bf5 10.Nc3 Qc5 11.d4 Qa5 12.Nh4 Bc3 13.Bc3 Qc3 14.Nf5 g6.

9.0-0 Bg4 10.a3 Bd6 11.Nc3 Ne5 12.Nb5 Ne4 13.Nd6 cd6 14.d3 Qf6.

9.0-0 Bg4 10.h3 Bh5 11.d3 Rad8 12.a3 Bd6 13.Nbd2 Ne4 (13...Qe6!?+=) 14.g4+= Nd2 15.Qd2 Bg6 16.Qc3 f6 17.Nh4 Kh8 18.Rae1 Qe6 19.f4 Bf7 20.g5 Be7 21.e4 d4 22.Qd2 fg5 23.fg5 Bg6 24.Nf5 Bc5 25.h4 Qa2 Exerts pressure on the isolated pawn 26.Rb1 b6 27.Qf4 Ne5 28.Bh3 Bh5 29.Kh1 Qe6 30.Kh2 Qc6 (30...Bd6!? 31.Nd6 Qd6-/+) 31.Bd4= Bd4 32.Nd4 Qc5 (32...Rd4?? 33.Qf8 Rf8 34.Rf8) 33.Ne6 Re6 (33...Qc2!? 34.Rf2 Qb1 35.Qe5 Re6 36.Be6 Qd3 37.Qc7 Qd4=) 34.Be6+= Ng6 35.Qg3 Qc2 36.Kh1 Rd3 37.Qh2?? (better is 37.Qf2 Qf2 38.Rf2 Ra3 39.Rd2+=) 37...Bf3-+ 38.Kg1 Rd2 39.Rbc1 (39.Qd2 Qd2 40.Rf3 Qd4 41.Rf2-+) 39...Rg2 0–1. Valenta,Vit jr (2140) – Pulpan,J (2260), 26th Czech Rapid G1, 2015.

9.0-0 h5 10.Nc3 Bg4 11.h3 Be6 12.Nb5 Ne4 13.d3 Nc5 14.c3 Ba5.

9.0-0 h6+= 10.a3 Ba5 11.Nc3 Bg4 12.h3 Bf5 13.Nb5 a6 14.Nbd4 Bd7.

9.a3 Ba5 10.0-0 a6 11.Nc3 Qd6 12.d4 Bf5 13.Nh4 Bg4 14.Qd3 g6.

9.a3 Ba5 10.0-0 Bg4 11.h3 Be6 (11...Bh5 12.d3=+) 12.Nc3 Rad8 (12...Qd7 13.Ne2=) 13.Ne2= Ne4 (13...h6 14.d3=) 14.d3 (14.Rb1 Rb8=) 14...Ng5 (14...Nc5!?=) 15.Ng5+= Qg5 16.Nf4 Bb6 (16...Re7 17.h4 Qh6 18.d4+=) 17.Rb1 Rd6 (17...g6 18.h4 Qe7 19.Qd2+=) 18.a4 1–0. Fels,Bernhard (2205) – Cottarelli,Franco (1880), TT/1/14/1 ICCF, 2014.

9.a3 Bc5 10.0-0 Bg4 11.d4 Bd6 12.Nc3 Qd7 13.Qd3 Bf5 14.Qd2 Bh3.

9.a3 Bd6 10.0-0 Bg4 11.h3 Bd7 12.Nc3 a6 13.Re1 h6 14.Nd4 Nd4.

9.h3 Na5 10.a3 (10.Bc3 Nc4 11.0-0 Ne4 12.Bb4 Qb4 13.Nc3 Rd8 14.Rb1 Qa5) 10...Nc4 11.Bd4+= Ba5 12.0-0 Ne4 13.d3 c5 14.dc4 cd4.

9.h3 a6 10.0-0 h6 11.Nc3 Bf5 12.Ne2 Ba3 13.Ba3 Qa3 14.Qb1 Qd6.

9.h3 b6 10.0-0 Bb7 (10...Bf5 11.Nh4 Be6 12.c4 Rad8 13.Qa4 Na5 14.Bf6 gf6) 11.d3 (11.Nc3 Qd7 12.d3 h6 13.a3 Bc5 14.Nb5 Re6) 11...Bd6 (11...a6 12.Nc3 Ba3 13.Qc1 Bd6 14.Qd2 h6) 12.Nbd2 (12.Nc3 a6 13.Ne2 Rad8 14.Ned4 Nd4) 12...Ne5 (12...h6 13.Nb3 b5 14.Nbd4 Nd4) 13.Ne5 Be5 14.d4 (14.Be5 Qe5) 14...Bd6 15.c4 Ne4 16.Ne4 de4 17.Rc1 c5 18.d5 f5 19.a4 Be5 20.Qb3 Rab8 21.Be5 Qe5 22.Qc3 Qd6 23.Rb1 Bc8 24.Rb2 Bd7 25.Ra1 a6 26.Bf1 Rb7 27.Qc2 Kf8 28.Rab1 Reb8 29.a5 b5 30.cb5 Bb5 31.Bb5 Rb5 32.Rb5 ab5 33.a6 Qd5 34.a7 Ra8 35.Rb5 Ra7 36.Rc5 Qd7 37.Rc8+- Kf7 38.Qc4 Ke7 39.Qc5 Kf7 40.g4! fg4 41.Qh5 Ke7 42.Qe5 Kf7 43.Qf4 Ke7?? 44.Qe4 Kf7? 45.Qc4 Ke7 46.hg4 Qb7?? 47.Qc5 Kd7 48.Qf5 Ke7 49.Qf8 Kd7 50.Qe8 Kd6 51.Rd8 Kc5 52.Qe5 Kb4 53.Qb2 Ka5+- 54.Qa3 Kb5 55.Qd3 Ka5 56.Rd5 Qd5 57.Qd5 Kb6 58.Qd4 Ka6 59.e4 g6 60.e5 Ra8 61.e6 Rb8 62.Qd6 Kb7 63.Qb8 Kb8 64.e7 Kb7 65.e8Q Kc7 66.Qe7 Kb6 67.Qh7 g5 68.f4 gf4 69.g5 f3 70.Kf2 Kb5 71.g6 Ka6 72.Qc7 Kb5 73.g7 Ka4 74.Qb6 Ka3 75.g8Q Ka4 76.Qgb3 1–0. Caminade,Christian (2100) – Prie,Eric (2160), Paris–ch Principal, 1979.

9.h3 Bf5 10.0-0 a6 11.Nc3 h6 12.Ne2 Ba3 13.Ba3 Qa3 14.Qb1 Qd6.

9.h3 Bf5 10.0-0 Rad8 11.Nh4 Be4 12.f3 Bg6 13.Ng6 hg6 14.Nc3 Ne5 15.Ne2 Nc4 16.Bc1 c6 17.Rb1 Ba5 18.Kh2 g5 19.Nd4 g6 20.Re1 c5 21.Nb3 Bc7 22.d3 (22.Rg1-+) 22...Nh5 23.f4?! (23.Kg1 Bg3 24.Re2 Nd6-+) 23...gf4 24.ef4 (24.gf4 Nf4! 25.ef4 (25.dc4?? Ne2 26.Kh1 Qe5 27.Qe2 Qh2) 25...Qe1 26.Qe1 Re1 27.Kg3-+ (27.dc4 dc4 28.Nc5 Rc1 29.Rc1 Bf4 30.Kg1 Bc1 31.Nb7 Be3 32.Kh2 Rd2-+)) 24...Qe1 25.Qe1 Re1 26.dc4 dc4 27.Nc5 Bb6 28.g4 Nf4 29.Nb7 (29.Rb6 Rc1 30.Rf6 Ng2 31.Kg2 Rc2 32.Kg3 Rc3 33.Kg2 Rd2 34.Rf2 Rcc2 35.Rd2 Rd2 36.Kf1 Ra2-+) 29...Bc7 30.Bf3 (30.Kg3 Ng2 31.Kg2 Rdd1-+) 30...Rde8 31.Kg3 (31.h4 Rf1 32.Bf4 Bf4 33.Kg2 Rb1-+) 31...g5 (31...Ne2 32.Kh4 Bg3 33.Kg5 Kg7 34.Bb2 Nd4 35.Bd4 R8e5 36.Be5 Re5) 32.Rb5 (32.Kf2 Nh3 33.Kg2-+) 32...Ne2 33.Kf2 Bg3 34.Kg2 Rg1 (34...Nc1?! 35.Rg5 Kf8 36.Kg3 Ne2 37.Kf2-+) 0–1. Macedo,A Soares De (2005) – Albuquerque,R Anderson, IRT NATAL OPEN, 2009.

9.h3 h6 10.0-0 Bf5 11.Nc3 Qd7 12.Ne2 Ne4 13.g4 Be6 14.d3 Nc5.

5.Bb2 a6

6.a3 Ba5 7.e3 0-0 8.h3 d6 9.Bc4 (9.Be2 Be6=) 9...Re8 (9...b5 10.Bb3=+) 10.0-0 Be6 11.Qe2 Qe7 12.Ng5 Bc4 13.Qc4 Ne5 14.Qh4 Bb6 15.Be5 Qe5 16.Nc3 Ba5 17.Nf3 Qc5 18.Qd4 Qd4 19.Nd4 Bc3 20.dc3 Ne4 21.Ne2 b6 22.Rfd1 f6 23.Rab1 Re5 24.f3 Nc5 25.Nf4 (25.e4 f5-+) 25...Re3 -/+.

6.e3 0-0 7.Be2 Re8 8.0-0 d6 9.d4 Be6 10.Ng5 Nd5 (10...d5 11.Ne6 Re6 12.c4=) 11.Ne6 fe6 (11...Re6 12.c4 Ne3 13.fe3 Re3 14.Bh5+-) 12.c4 +=.

6.e3 Bc5 7.d4 Bb4 8.c3 Bd6 9.Bd3 0-0 10.0-0 Re8 11.Nbd2 b6 12.Nh4 Bb7 13.Nf5 Ne7 14.Nd6 +/–.

6.e3 Bc5 7.d4 Bb6 8.Be2 Ba5 9.Nbd2 0-0 10.0-0 Re8 11.Nc4 d5 12.Na5 Na5 13.Ne5 Bf5 14.Bc3 Nc6 15.Nc6 bc6 16.Bb4 a5 17.Be1 Qd6 18.c4 dc4 19.Rc1 Reb8 20.Rc4 Rb2 21.Rc5 Nd5 22.a4 Be4 23.Ba5 Rb1 24.Qd2 +-.

6.e3 d5 7.Be2 0-0 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 a6).

5.Bb2 b6

6.e3 0-0 7.Bc4 d5 8.Bb3 h6 9.h3 Bf5 10.0-0= Re8 11.Nd4 Nd4=+ 12.Bd4 c5 (12...c5 13.c3 cd4 14.cb4 Qe7=+). tirpitz (1900) – langelli (1965), net–chess.com, 2006.

6.e3 Bb7 7.Be2 Be7 8.0-0 0-0 9.c4 d6 10.d4 Re8 11.Nbd2 Bf8 12.a3 g6 13.Qc2 Nd7 14.Bd3 Bg7 15.Rae1 f5 16.Ba1 Nf6 17.Ng5 (17.e4 f4+/–) 17...Ng4 18.Ngf3 Qd7 (18...Nf6!?=) 19.e4 fe4 20.Ne4 Nf6 (20...Re7 21.h3 Nf6 22.d5+/–) 21.d5+/– Ne5 22.Ne5 de5 23.Ng5 (23.Nf6 Bf6 24.f4 Qd6+/–) 23...c6+= 24.Be5 cd5 25.f4 Rac8 26.Qa2 (26.Bg6 hg6 27.Qg6 Rf8 28.Bf6 Rf6 29.Qh7 Kf8+-) 26...Ba6 27.Rd1+= Ng4? 28.cd5+- Bd3 29.Rd3 Be5 30.fe5 Ne5 31.d6 Kg7 32.Rd5 Qg4?? 33.d7! Qg5 34.dc8Q Rc8 35.Qb2 Qe3 36.Kh1 Re8? 37.h3 Kh6 38.Rd4 g5? 39.Rd6+- Kh5 40.Qc2 Ng6 41.Rd7 Re7 42.Re7 Qe7+/– 43.Qf5 Qa3 44.Qf7 Kh6 45.Qc7 Qe7? 46.Qe7+- Ne7 47.Rf7 Nd5 48.Ra7 b5 49.Rb7 Nc3 50.g4 Kg6 51.Rb6 Kf7 52.Kg2 Ke7 53.Kf1 Kd7 54.Ke1 Kc7 55.Rh6 b4 56.Kd2 Ne4 57.Kc2 Nd6 58.Kb3 Kc6 59.Rh7 Kc5 60.Rh5 Ne4 61.h4 Nd2 62.Kc2 Ne4 63.hg5 Kc4 64.g6 b3 65.Kb2 Nf2 66.g7 Nd3 67.Kb1 b2 68.g8Q (68.g8Q Kc3 69.Qd5 Kd2 70.Rh2 Ke3 71.Rh3 Kf2 72.Qd3 Ke1 73.Qc2 Kf1 74.Rh1#) 1–0. Haubro,Sigfred (2135) – Ostby,Martin Bergsjo (1730), Oslo NOR, 5th Sveins Open, 2012.

5.Bb2 Bc5

6.e3 d5 7.d4 Bb4 8.c3 Bd6 9.Ba3 =.

6.e3 d5 7.d4 Bd6 8.Bb5 Bd7 9.0-0 0-0 10.Bd3 Ne7 11.Nbd2 c6 12.c4 Bb8 13.cd5 cd5 14.Qb3+= b6 15.Ne5 Ng6 16.Ng6 hg6 17.f3 Qc7 18.f4 Re8 19.Rae1 Ng4 20.e4+/– de4? 21.Be4+- Bc6 22.d5 Bb7 23.d6?? Qc5-/+ 24.Kh1 Nf2 25.Kg1?? Nh3 26.Kh1 Qg1!! 27.Rg1 Nf2# 0–1. BorisOwl – Wall,Bill, internet, 2001.

6.e3 d5 7.Bf6 gf6 8.d4 Bd6 9.Bb5 +=.

6.e3 d5 7.Bf6 Qf6 8.Nc3 Be6 9.Bb5 0-0 10.Rb1 Rfe8 11.Bc6 bc6 12.Na4 Bb6 13.h3 Qg6 14.Rh2 Bf5 15.Nh4 Bc2 16.Ng6= Bd1 17.Rd1 fg6 18.Rc1 Re6 19.Nc5 Bc5 20.Rc5 Rb8 21.Ra5 Rb7 22.f4 Re4 23.Rc5 Rb1 24.Ke2 Rb6 25.Rh1 Kf7 26.Rhc1 Re6 27.a4 g5 28.a5+= Ra6 29.fg5 Ke7 30.Kf3 Kd6 31.d4 Re8 32.Rb1 Rf8 33.Ke2 Rf5 34.h4 Rf8 35.Rb7 Kd7 36.g4 Kc8 37.Rb1 Kd7 38.h5 Rf7 39.Rf1 Ke6 40.Rf7 Kf7 41.Kd3 Ke7 42.e4 de4 43.Ke4 Ke6 44.Rf5 Ke7 45.g6 hg6+/– 46.hg6 Ke6 47.Rf7 Ra5 48.Rg7 Rg5 49.Kf4 Rd5 50.Rc7 Rd4 51.Kf3 Rd8 52.g7 a6 53.Rc6 Kf7 54.Rc7 Kf6 55.Kf4 Rg8 56.g5 Kg6 57.Rc6 Kg7 58.Ra6 Rc8 59.Kf5 Rf8 60.Kg4 Rd8 61.Rc6 Rd3 62.Rh6 Rd5 63.Kh5 Rf5 64.Rd6 Re5 65.Rd7 Kf8 66.Kh6 Ke8? 67.Rd6 Kf7 68.g6 Ke7 69.g7 Kd6 70.g8Q Re6 71.Kg5 Re4 72.Qf8 Kd5 73.Qa8 Ke5 74.Qa5 Kd4 75.Qd8 Ke3 76.Qb6 Kd3 77.Qd6 Rd4 78.Qe5 Rb4 79.Qc5 Rc4 80.Qd5 Rd4 81.Qc5 Rc4 82.Qb5 Kd4 83.Qd7 Ke5 84.Qf7 Kd4 85.Qf6 Kd5 86.Qf5 Kc6 87.Qf7 Rc5 88.Kg4 Kd6 89.Qb7 Rc4 90.Kf5 Rc5 91.Ke4 Rc4 92.Kd3 Rc5 93.Kd4 Rc6 94.Ke4 Rc4 95.Ke3 Rc3 96.Kd2 Rc4 97.Qf7 Rd4 98.Ke3 Rd1 99.Ke2 Rd4 100.Qg7 Re4 101.Kd3 Rf4 102.Qg5 Rf3 103.Kd4 Rb3 104.Qd5 Ke7 105.Qb3 Kf6 106.Ke4 Ke7 (106...Kg5 107.Qe6 Kh5 108.Qg8 Kh4 109.Kf4 Kh5 110.Qg5) 1–0. Comet B25 – Comet B50, 2004.

5.Bb2 d5

6.a3 Bc5 7.d4 Bd6 8.e3 0-0 9.c4 dc4 10.Bc4 Bg4 11.Nbd2 Re8 12.Qb3 Re7 13.Qb7 Na5 14.Qb5 c6 15.Qa4 Rb8 16.Bc3 Nc4 17.Nc4 Bf3 18.gf3 Nd5 19.Bd2 Reb7 20.Qc2 Qc7 21.Ba5 Qe7 22.e4 Bc7 23.Bd2 Qe6 24.Rc1 Nf4 25.e5 (25.Bf4 Bf4 26.Rd1+=) 25...Ng2 (25...Qd5!? 26.Bf4 Qf3+=) 26.Ke2 (better is 26.Kf1 Nh4 27.Qe4+=) 26...Qh3? (better is 26...Rd8 27.Be3 f6=) 27.Qe4+/– Qh4 (27...Rb3 28.Rhg1+-) 28.Qh4 (28.Rhg1!? Qe4 29.fe4 Nh4+-) 28...Nh4+/– 29.Ne3 Bb6 (29...Rd8 30.Rc6 Rd4 31.Bc3+-) 30.Bc3 (30.Rc4!?+-) 30...Ng6+/– 31.Nf5 (31.Kd3 f6 32.ef6 gf6+=) 31...Nf4 (better is 31...c5!?+=) 32.Ke3+/– Ng6 (32...Nd5 33.Ke4+/–) 33.Nd6 Rd7 34.Rb1?? (34.Ke4 Ne7+-) 34...Ne5? (better is 34...f6 35.Kd3 Rf8=) 35.Ne4?? (better is 35.Rb6 Rb6 36.de5+/–) 35...Nc4-/+ 36.Kd3 Na3 37.Rb4 (37.Rhg1 Kh8 (37...Nb1?! 38.Nf6 Kh8 39.Nd7+=) 38.Rb4 a5-/+) 37...Nb5 (better is 37...f5 38.Nc5 Rd5-/+) 38.Rd1?? (better is 38.Rg1 Rdd8 39.Ba1-/+) 38...c5 (better is 38...f5 39.Nd2 Nc3 40.Rb6 ab6 (40...Nd1?! 41.Rb8 Kf7 42.Rc8-/+) 41.Kc3 Rbd8-+) 39.Rb5+- cd4 40.Ba5 Rdd8 (40...Ra8 41.Rg1 Kh8 42.Ra1 Ba5 43.Raa5+-) 41.Rdb1 Ra8 42.Bb6 ab6 43.Rb6 Ra3 (43...g6 44.f4+-) 44.R6b3 (44.R1b3 Rb3 45.Rb3 Kf8+-) 44...Ra2 (44...Raa8 45.Rb4+-) 45.R1b2 Ra1 46.Rb8 Rf8 (46...Ra3 47.R2b3 Rb3 48.Rb3+-) 47.Rf8 Kf8 48.Rb8 Ke7 49.Rb7 Ke6 50.Ng5 Kd5 (50...Kf5 51.Nh7 Rd1 52.Kc4+-) 51.Rf7 (51.Rd7 Ke5 52.Rf7 Ra3 53.Kc4 Rc3 54.Kb4 Rc2+-) 51...Ra3 52.Kc2 (better is 52.Ke2 Ra2 53.Kf1 h6+-) 52...d3? (52...Ra2 53.Kb3 Rf2 54.Rf5 Kc6+-) 53.Kd2 Kc4 (53...h6 54.Ne4 g5 55.Nc3 Ke5 56.Kd3+-) 54.Rc7 (54.Ke3 h6 55.Ne4 Ra5+-) 54...Kd4 55.Ne6 Kd5 (55...Ke5 56.Ng7 Ra2 57.Kd3 Rf2 58.Rc5 Kf6 59.Nh5 Kg6 60.Nf4 Kf6 61.Rh5 Rf3 62.Ke4+-) 56.Nf4 Kd4 57.Rd7 Ke5 58.Rd3 (58.Rd3 Ra1 59.Nh5+-) 1–0. Springis,Jevgenijs – Pilalis,Ernestos, European Youth Chess Championship U10, 2016.

6.a3 Bd6 7.d3 Bg4 8.Nbd2 0-0 9.g3 Qe7 10.Bg2 Rfe8 11.Bf6 Qf6-/+ 12.0-0 Qe7 13.e3 Ba3-/+ 14.Qb1 Bb4 15.Qb3 Be6 16.Nd4?? Nd4-+ 17.ed4 Bd2 18.Bd5 Bd5 19.Qd5 c6 20.Qb3 Bg5 21.Qc3 Bf6 22.Rab1 Qd7 23.Qb4 Bd4 24.Qb7 Qb7 25.Rb7 Bb6 26.c3 Rab8 27.Rb8 Rb8 28.Re1 Kf8 29.d4 Re8 30.Rc1 c5 31.d5 c4 32.Rd1 Rd8 33.Kg2 Ke7 34.Kf3 Kd6 35.Ke4 Re8 36.Kf4 Bf2 37.Rf1 Bb6 38.Kg5 Re5 39.Kf4 Kd5 40.Rd1 Kc6 (40...Kc6 41.Ke5 Bc5=; better is 40...Ke6-+) 0–1. Jasik,Krzysztof – Ortega Ruiz,Jose Miguel, Duisburg, 1992.

6.a3 Bd6 7.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d5 7.a3 Bd6).

6.a3 Bd6 7.e3 Bf5 8.c4 0-0 9.Nc3 d4 10.Nd4 (10.Nb5 de3 11.de3 Re8=) 10...Nd4=+ 11.ed4 c6 12.Be2 Qc7 13.Qb3 Rfe8 14.0-0-0 b5 15.c5 Bf8 (worse 15...Bh2 16.g3 a5 17.d5+=) 16.Bf3 Bg4 17.Bg4 Ng4 18.Rdf1 a5 19.h3 Nf6 20.Re1 a4 21.Qc2 Qd7 22.Ne4 Nd5 23.Ng5 g6 24.Nf3 Bg7 25.Ne5 Be5 26.de5 b4 27.Qc4 (27.Re4 ba3 28.Bd4 Rab8-/+) 27...ba3-/+ 28.Ba3 Rab8 (better 28...Reb8 29.e6 fe6-/+) 29.Kd1? (better 29.g4=+) 29...Rb1-+ 30.Kc2 (30.Bc1 a3 31.e6 Re6 32.Kc2 Re1 33.Re1 Qf5 34.Kd1 Qf2 35.Re8 Kg7 36.Kc2 Rc1 37.Kc1 Qg1 38.Kc2-+) 30...Qf5 31.Qe4 Qe4 (31...Qe4 32.Re4 Rh1 33.Ra4 Rh2-+ (worse 33...Re5 34.Ra8 Kg7 35.Bb2 Nb4 36.Kb3-+)) 0-1. kaalmakreel (2150) - Croatia Kings (2670), ChessWorld.net, 2011.

6.a3 Bd6 7.e3 Bg4 8.Be2 0-0 9.h3 Bh5 10.0-0 Re8 11.d3 h6 12.Nbd2 Qd7 (12...Qe7 13.c4 Bg6 14.Bf6 Qf6 15.cd5+/–) 13.Nd4 (13.Bf6!? gf6 14.c4+=) 13...Be2+= 14.Qe2 Nd4 15.Bd4 c5 (15...Re6 16.Nb3=) 16.Bf6+= gf6 17.Qg4 (17.Rab1 f5+=) 17...Qg4= 18.hg4 b5 19.e4 (19.Nf3 Kh7=) 19...de4 (better is 19...Bf4!? 20.Rfd1 Bd2 21.Rd2 de4 22.de4 Re4-/+) 20.Ne4+= Be5 21.Rab1 a6 22.g3 (worse is 22.Nc5 Rec8 23.Ne4 Rc2=). Pirs,Matjaz (2470) – Spiegelberg,Silvia (2210), RSS5E NoEngine–24, 2007.

6.a3 Be7 7.e3 a6 8.Be2 0-0 9.0-0 Bg4 10.h3 Bh5 11.d3 Re8 12.Nbd2 Bd6 13.c4 Ne5 14.cd5 Nd5 15.Ne4 Nf6 16.Nd6 Nf3 17.Bf3 Bf3 18.Qf3 Qd6 19.Bf6 Qf6 20.Qb7 Qd6 21.Rac1 Rab8 22.Qc7 Qd3 23.Rc3 Qb5 24.Rfc1 h6 25.Qf4 Rbd8 26.Rc7 Qd5 27.R1c5 Qd1 28.Kh2 Qd6 29.Qd6 Rd6 30.g4 Rd2 31.Kg3 Rd6 32.Ra7 Rb8 33.Ra5 Rbb6 34.Rf5 Rf6 35.Rf6 Rf6 36.h4 g6 37.f4 Rc6 38.Kf3 Re6 39.g5 hg5 40.hg5 Kf8 41.a4 Rc6 42.a5 Ke8 43.e4 Rd6 44.Ke3 Kf8 45.e5 Rc6 46.Kd4 Ke8 47.Kd5 Re6 48.Rb7 Kd8 49.Rf7 1–0. phildo (1845) – sdr46 (1760), gameknot.com, 2013.

6.Ba3 Ba3 7.Na3 a6 8.e3=+.

6.Ba3 Bf5 7.Bb4=+ Nb4 8.Nd4 Qc8 (8...Bd7 9.e3=+) 9.a3 (9.c3 Na6=) 9...Nc6 10.Nf3 (10.Nc6 bc6 11.e3 Rb8=) 10...0-0 11.e3 Qe6 12.Be2 Be4 (12...d4 13.0-0=+) 13.c3 Qf5 14.d3 Bf3 15.Bf3 Rfe8 (15...Rae8 16.d4=) 16.0-0 Ne5 17.Be2 Ng6 18.Nd2 Re7 19.Rb1 c5 20.Rb5 b6 21.Nf3 (21.d4 Rc8=) 21...Rc8 22.h3 h6 23.Qa4 Rd8 (23...Nf4 24.Qd1 Qd7 25.Rb2 Ne2 26.Qe2=+) 24.Rd1 Qd7 25.Qb3 (25.Rdb1 Ne8 26.Qd1 Nd6=) 25...Ne8 26.Qb1 Nd6 27.Rb2 Qe6 28.a4 Qf6 (28...Rde8 29.a5 ba5 30.Qa2=) 29.Qa2 (29.a5!?=) 29...Qc3-/+ 30.Rc2 Qa5 31.Rb1 Ree8 32.Ra1 (32.Qd5 Qa4 33.Ra2 Qd7=+) 32...Ne7-/+ 33.Ne5 Qa6 (33...d4 34.Bf3-/+) 34.e4 (34.Bf3!?=+) 34...Qb7-/+ 35.ed5 (better 35.Bh5!?-/+) 35...Nd5-+ 36.Qb2 Nf5 37.Nf3 (37.Bf3 Qc7 38.Bd5 Re5-+ (worse 38...Qe5 39.Qe5 Re5 40.Bc4-+)) 37...Nf4 38.Rd1 (38.Bf1-+) 38...Nd4 39.Bf1 Nf3 40.gf3 Qf3 41.Rcd2 (41.Kh2 Qd1 42.Qc1-+) 41...Rd6 42.Qb5 (42.Qg7 Kg7 43.Re1 Rg6 44.Kh2 Rg2 45.Bg2 Qg2) 42...Rg6 43.Kh2 Rg2 (43...Rg2 44.Bg2 Qg2) 0–1. petrobbo (2010) – roy4076 (2290), ChessWorld.net, 2010.

6.c3 Ba5 7.e3 0-0 8.Be2 Re8 9.0-0 Bg4 10.d3 Bf3 11.Bf3 Ne5 12.c4 dc4 13.dc4 Nf3 14.Qf3 Ne4 15.Qg4 Nf6 16.Qg5 Bb6 17.c5 Ba5 18.c6 Bb6 19.cb7 Rb8 20.Na3 Rb7 21.Rfd1 Qc8?? 22.Bf6+- (22.Bf6 Qg4 23.Qg4+-) 1–0. Dragonwolves – Lordy@, mySchach.de, 2005.

6.c3 Bd6 7.d4 0-0 8.Nbd2 (8.Ba3 Ba3 9.Na3 Qe7=+) 8...Bf5 9.e3 h6 (9...Re8 10.Be2=+) 10.Be2 Qd7 (10...Re8 11.0-0=) 11.0-0= Rfe8 12.c4 b6 (12...Qe6 13.c5 Be7 14.Qa4=) 13.cd5 Nd5 14.Nc4 Rad8 15.Nd6 Qd6 16.Bb5 a6 17.Bc6 Qc6=+ 18.Nh4 Bh7 19.Re1 Nb4 20.Rc1? Qf6-+ 21.Nf3 Nd3 22.Rc7 Nb2 (22...Nb2 23.Qe2 Nd3-+) 0–1. gtate (2005) – anotherblunder (2175), net–chess.com, 2005.

6.c3 Bd6 7.d4 a5 8.a4 0-0 9.e3 Bf5 10.Bb5 Ne4 11.Qe2 Qf6 12.Nbd2 (12.Ba3 Ne7=+) 12...Nd2 13.Nd2 Qg6 14.0-0 (14.Qf3!?=+) 14...Na7-/+ 15.c4 (better 15.e4!? de4 16.Ba3-/+) 15...Bd3-+ 16.Qf3 Bf1 17.Rf1 (17.Nf1 c6 18.c5 cb5 19.cd6 Qd6 20.Ng3-+) 17...Bb4 (17...Nb5?! 18.cb5 Qc2 19.Bc1-+) 18.Qe2 (18.Bd7 Qd6 19.Qd5 Qd5 20.cd5 Bd2-+) 18...Qc2 (18...Nb5?! 19.ab5 Qc2 20.Bc1-+) 19.cd5 Nb5 (19...Bd2?! 20.Bc1 Nb5 21.ab5-+) 20.ab5 (20.Qb5 Bd2 21.Ba3 Rfb8-+) 20...Qb2 (worse 20...Qd2 21.Qd2 Bd2 22.Ba3-+; 20...Bd2?! 21.Bc1-+) 21.Rd1 a4 22.Kf1 (22.Qd3 Bd2 23.Qd2 a3-+) 22...a3 23.Nc4 (23.Ne4 Qe2 24.Ke2 a2-+) 23...Qe2 24.Ke2 a2 25.b6 cb6 26.Nb6 a1Q 27.Na8 (27.Ra1 Ra1 28.e4-+) 27...Qa6 28.Kf3 Qf6 29.Ke2 Ra8 30.e4 Ra2 31.Kd3 Ra3 32.Kc4 (32.Kc2 Qf2 33.Rd2 Qd2 34.Kb1 Rb3 35.Ka1 Bc3) 32...Qa6 33.Kb4 Qa5 34.Kc4 Rc3 0-1. guru1000 (1965) - magic99 (2310), Rated Blitz game, lichess.org, 2016.

6.c3 Bd6 7.d4 Qe7 8.e3=+.

6.c3 Bd6 7.e3 0-0 8.Be2 Bg4 9.0-0 Re8 10.d4 Bf3 11.Bf3 Ne4 12.Be4 Re4 13.Nd2 Qh4 14.g3= Rg4 15.Qb3 Rd8 16.Qb7+/– Rb8 17.Qc6 Rb2 18.Nf3 Qe7 19.Rfb1 Rb1 20.Rb1 h6 21.Qd5 Kh7 22.Qb7 a5 23.c4 Qe6 24.c5 Be7 25.Qc7 Qa2 26.Rb7 Re4 27.Ne5 Bf6 28.Qf7 Qf7 29.Nf7 Kg6 30.Nd6 Re6 31.Ra7 Be7 32.Nc4 a4 33.Ra4 Bf6 34.d5 Re8 35.c6 Rf8 36.c7 Rc8 37.d6 Bd8 38.Ra7 Bc7 39.dc7 (39…Kh5 40.Nd6+-) 1–0. Mephisto Mondial – GrandMasterChess, 1994.

6.c3 Bd6 7.e3 Bg4 8.Be2 0-0 9.h3 Bh5 10.g4 Bg6 11.Nh4 Be4-/+ 12.f3? (better 12.Nf3-/+) 12...Bg3-+ 13.Kf1 Bh4 14.fe4 Ne4 (14...de4?! 15.Ba3 Re8 16.Kg2-+) 15.Rh2 f5 (better 15...Qf6 16.Kg1 Bg3-+) 16.Bf3 (16.Ba3 Bg3 17.Bf8 Qf8-+ (17...Kf8?! 18.Rg2 Qh4 19.gf5=+)) 16...Ng5 (better 16...fg4 17.hg4 Ne5-+) 17.Kg2 fg4 18.hg4 (18.Bg4 Ne4 19.Kg1-+) 18...Nf3 19.Rh3 (19.Qf3 Rf3 20.Kf3 Ne5 21.Ke2-+) 19...Qg5 20.Rg3 Qg4 (20...Bg3 21.Qf3 Rf3 22.Kf3 Rf8 23.Kg3 h5 24.Kh2 Qh4 25.Kg2 Rf2 26.Kg1 Qh2) 21.Rg4+- (21.Rg4 Nce5 22.Rf4 Ne1 23.Kh1+-) 1–0. petrobbo (2025) – Trampley (2085), ChessWorld.net, 2009.

6.Nc3 0-0 7.e3 Re8 8.Bb5 d4 9.Bc6 bc6 (worse is 9...dc3 10.dc3 (worse is 10.Be8 cb2 11.Bf7 Kf7-/+) 10...Be7 11.Be8 Qe8 12.0-0+/–) 10.Ne2 de3 11.fe3 Ne4 12.a3 Ba5 13.Bc3 Nc3 14.Nc3 Ba6 15.Ne2?? (better is 15.Kf2+=) 15...Re3-+ 16.0-0 Be2 17.Qe1 Re4 18.Rf2 (18.Qg3 Bf1 19.Kf1-+) 18...Bf3 19.Qf1 Be2! 20.Re2 Re2 21.Qe2 Qd4 22.Kf1 Bb6 23.Qe1 Qf6 (23...Qf6 24.Ke2 Re8 25.Kd1 Qa1) 0–1. Van Dosselaer,Mattias – Sherwood,Russell (1675), RC–2010-0-00046, 2010.

6.g3 0-0 7.Bg2 (--> 5.Bb2 0-0 6.g3 d5 7.Bg2).

6.g3 Bg4 7.Bg2 Qd7 8.c3 Bd6 9.d3 0-0-0 10.0-0 Bh3 11.c4 dc4 12.dc4 Qg4 13.Qc2 h5 14.c5 Be7?? (14...Bg2 15.Kg2 Be7 16.h3+=) 15.Nbd2?? (better is 15.Bh3 Qh3 16.Ng5+-) 15...h4 16.Ne5 Ne5-+ 17.Be5 hg3 18.Bb7?? Kb7-+ 19.fg3 Qe2 20.c6 Ka8 21.Rf2 Qe5 22.Nc4 Qa1 (22...Qa1 23.Qb1 Qb1 24.Rf1 Qf1#) 0–1. Such Palacios,Jose M – Marcos Herrero,Francisco (1900), Benidorm ESP, 2011.

6.g3 Bg4 7.Bg2 Qe7 8.Nc3 Rd8 9.a3 Ba5 10.0-0 0-0 11.a4 Rfe8 12.e3 Ne5 13.h3 (better is 13.d3!?-/+) 13...Nf3-+ 14.Bf3 Bh3 15.Bg2 Bg2 16.Kg2 c5 17.f3 b6 18.Re1 Qe5 19.f4 Qe6 20.Nb5 Ne4 21.c3 Qg6 22.g4 a6 23.Nc7 Re7 24.Na6 Ra8 25.d3 (25.Nc5 bc5 26.Rh1 Rb7-+) 25...Bc3 (25...Nc3!? 26.Qc2 Qg4 27.Kf1-+) 26.f5 Qg5 27.Bc3 (27.de4 Be1 (27...Ra6 28.Bc3 Re4 29.Qd5 Qg4 30.Kf2 Qh4 31.Ke2 Rea4 32.Ra4 Ra4 33.Rg1 Ra2 34.Kd3 c4 35.Qc4 Qc4 36.Kc4+-) 28.Qd5 Qg4 29.Kf1 Rae8 30.Ke1 Re4-+) 27...Nc3 (27...Ra6 28.de4 Re4 29.Qd5 Qg4 30.Kf2 Qh4 31.Ke2 Rea4 32.Ra4 Ra4 33.Rg1 Ra2 34.Kd3 c4 35.Qc4 Qc4 36.Kc4+-) 28.Qf3 Ra6 29.d4 (29.Qf4 Qf4 30.ef4 Re1 (30...Ra4?! 31.Re7 h6 32.Ra4 Na4 33.g5=) 31.Re1 h6-+) 29...cd4 (better is 29...Re4 30.Kg3-+) 30.ed4 Qd2 31.Kf1 Re4 0–1. Haroldlee123 – LSGUK, chessworld.net, 2013.

6.g3 h6 7.Bg2 Be6 8.0-0 0-0 9.d3 Re8 10.Nbd2 Qe7 11.a3 Ba5 12.Nb3 Bb6 13.a4 a6 14.a5 Ba7 15.Ba3 Qd8 16.Qd2 Rb8 17.Nc5 Bc8 18.e3 b6 19.Nb3 b5 20.Bb2 Qe7 21.Ba3 b4 22.Bb2 Bd7 23.Rfc1 Qd6 24.c3 Ng4 25.Nbd4 Nd4 26.cd4 Re7 27.Ne5 Ne5 (27...Rb7!?=) 28.de5+= Qe6 (28...Re5!? 29.Be5 Qe5+/–) 29.Rc7+/– Bc6 30.Re7 Qe7 31.Rc1 Qd7 32.d4 Qb7? (better is 32...Ba4!?+/–) 33.Qc2+- Rc8? (33...Bd7+-) 34.Bd5! Bd5 35.Qc8 Qc8 36.Rc8 Kh7 37.Rd8 (37.Rd8 Be4 38.Rd7+-) 1–0. Lenart,Endre (2170) – Nemenyi,Erno (2060), Harkany Tenkes Cup, 2002.

6.h3 0-0!? -/+.

6.h3 d4 7.c3= dc3 (7...dc3 8.Nc3 0-0=). Jaeger,Erich (2015) – Hohlstein,Walter (2080), remoteschach.de, 2008.

6.a3 Ba5

7.e3 0-0 8.Be2 Bf5 9.0-0 Qd7 10.d3 (10.Bf6!? gf6 11.Bb5+=) 10...Qe6= 11.Nbd2 Rad8 (11...Rfe8 12.Nb3=) 12.Nb3+= Bb6 13.a4 a5 (better is 13...Ng4=) 14.c4?? (better is 14.Ng5 Qd7 15.Bf6 gf6 16.Nf3+=) 14...dc4-+ 15.Nbd4 Nd4 16.ed4 cd3 17.Bd3 Bd3 18.Qd3-/+ Qd5 19.Ba3 Rfe8-+ 20.Rfd1 Ne4 21.Qe3? Nd6 22.Qf4 Nc4 23.Bc1 Re4 24.Qg5 Rde8?? 25.Qd5+- (25.Qd5 Bd4 26.Ra2+-) 1–0. ZMeB4 (1685) – Bfarmer, caissa.com, 2007.

7.e3= 0-0 8.Be2 Bg4 9.0-0 Re8 10.h3 Bh5 11.Nc3 Qe7 12.Nb5 Rad8 13.Nbd4 Nd4 14.Nd4 Be2 15.Ne2 c5 16.d4 Ne4 17.c3 c4 18.a4 Qd7 19.Rb1 Qd6 20.Ba1 Bc7 21.g3 Re6 22.Kg2 Rf6 23.Qe1 Qe6 24.Rb7= Bb6 25.a5 Qc6 26.Re7= Bc7 27.a6? Kf8-/+ 28.Re4 de4-+ 29.Bb2 Qa6 30.Qd2 Qe6 31.Ba3 Kg8 32.Nf4 Bf4 33.ef4 Rf5 34.Re1 Qc6 35.Qe3 Re8 36.Kh2 Ra5 37.Bb4 Ra2 38.Rd1 Qd5 39.Bc5 Rb8 40.Rd2 Rd2 41.Qd2 Rb1 42.Qa2 Qb7 43.Qa7 Qa7 44.Ba7 Rc1 45.Kg2 Rc3 46.Kf1 Rd3 47.Ke2 c3 48.d5 c2 49.Be3 Re3! 50.Ke3 c1Q 51.Ke4 Kf8 52.d6 Qc6 53.Ke5 Qc2 (53...Qc2 54.Kd5 Qf2-+; 53...Qc4 54.Kf5-+) 0–1. Berrio,Ana – Rada,Daniel Eloy, ATL–ch sf Barranquilla, 2001.

7.e3 Bf5 8.Bb5 0-0 9.0-0 (9.Bc6 bc6 10.Bc3 Bb6 11.0-0 Qd6 12.a4 Rfb8 13.a5 Bc5=) 9...a6 (9...Qd6 10.d3 Bg4 11.c4 Ne7 12.h3 Bh5 13.g4 a6=; 9...Rb8 10.Be2 Re8 11.Nd4 Nd4 12.Bd4 Bb6 13.Bb6 ab6=; 9...Re8 10.d3 Qd6 11.c4 a6 12.Bc6 bc6 13.c5 Qe6+=) 10.Ba4 (10.Bc6 bc6 11.Nd4 Bd7 12.Nb3 Bb6 13.Qf3 Ne8=) 10...b5 11.Bb3 Bb6 (11...Re8 12.Bf6 (12.Nc3=+ Bc3 13.Bc3 Ne4=+) 12...Qf6 13.Bd5 Rad8=; 11...Qd6 12.d3 Rad8 13.a4 b4=+) 12.d4 (12.Bf6 Qf6 13.Nc3 d4=) 12...Na5 (12...Qd6 13.Nbd2 Rfe8=+) 13.Ba2 (13.Ne5 c5=+) 13...Nc4 (13...Re8=+) 14.Bc1 (14.Bc4 bc4 15.a4 Rb8=+) 14...Qd6 15.Bc4 bc4 16.a4 Rfd8 17.Ba3 Qe6 18.Nbd2 Ne4 19.Ne4 Qe4 (worse 19...Be4 20.Ng5 Qf5 21.Ne4 Qe4 22.Qd2=; worse 19...de4 20.Nh4 Bg4 21.Qe1=+) 20.Ng5 (20.Ne5!?=+) 20...Qc2-+ 21.Qf3 Bg6 22.g4 (22.a5 Ba7-+) 22...f5 (22...h6!? 23.a5 hg5 24.ab6 cb6 25.Rfc1-+) 23.h3 fg4 24.hg4 Rd7 25.Bb4 (25.Qh3!?-/+) 25...h6 26.Rfc1?? (26.Ne6 Re8 27.Nc5 Bc5 28.Bc5-+) 26...Qb3 27.Be1 (27.a5 Ba7-+) 27...hg5 28.Rd1 (28.Qd1-+) 28...Rf8 29.Qe2 Qc2 (29...Qc2 30.Qc2 Bc2-+) 0–1. Wagle,Marina – Pietzsch,Manuel, GER ch b18 rapid (Schwaebisch Gmuend), 2001.

7.e3 Bf5 8.Bb5 Bd7 A) 9.0-0 0-0 (9...Qe7 10.Bc6 Bc6 11.Nd4 Bd7 12.Nb3 Bb6 13.Qf3 c6=; 9...a6 10.Bc6 Bc6 11.Nd4 Bb5 12.d3 Bd7 13.Nb3 Bb6+=) 10.c4 dc4 11.Bc4 Bg4 12.d4 Qd6 13.h3 Be6=; B) 9.Nc3 Qe7 (9...0-0 10.0-0 Qe7 11.Rb1 a6 12.Ba4 Rad8 13.Ne2 b5=; 9...a6 10.Bc6 Bc6 11.Nd4 Bd7 12.Nb3 Bg4 13.f3 Bc3=) 10.0-0 0-0 11.Rb1 a6 12.Bd3 Rfe8 13.Re1 Bg4=; C) 9.Bc3 0-0 (9...Bb6 10.0-0 0-0 11.Qc1 Ne5 12.Be5 Bb5 13.Re1 Ng4=; 9...Bc3 10.Nc3 0-0 11.0-0 Re8 12.d4 Na5 13.Bd7 Qd7=) 10.0-0 Re8 11.Bc6 Bc3 12.Bd7 Ba1 13.Be8 Qe8=; D) 9.Bc6 Bc6 10.Nd4 0-0 11.Qf3 Ne4 12.0-0 Qd7 13.d3 Ng5=.

7.e3 Bf5 8.Nc3 A) 8...d4 A1) 9.ed4 0-0 (9...Nd4 10.Nd4 Qd4 11.Qe2 Kf8 12.0-0-0 c6 13.Nb5 Qc5=+) 10.Na4 Re8 11.Be2 Be4 12.0-0 Bc2 13.Qc2 Re2=+; A2) 9.Na4 de3 10.fe3 Qe7 11.Bc3 0-0-0 12.Ba5 Na5 13.Nc3 Ne4=+; A3) 9.Ne2 de3 10.fe3 Qe7 11.Bf6 Qf6 12.Ned4 Nd4 13.Nd4 0-0-0=+; A4) 9.Na2 de3 10.fe3 Qe7 11.Bc3 0-0-0 12.Nb4 Bb4 13.Bb4 Qe6=; B) 8...a6 B1) 9.Be2 Ne4 (9...Qd6 10.0-0 0-0 11.d3 Rfe8 12.Nb1 Bb6 13.Nbd2 Ng4=; 9...0-0 10.0-0 Re8 11.Rb1 b5 12.d3 Qe7 13.Re1 Rad8=+) 10.0-0 Nc3 11.Bc3 Bc3 12.dc3 0-0 13.Qb1 Na5=+; B2) 9.Bd3 Ne4 (9...Bd3 10.cd3 0-0 11.0-0 Qd6 12.Qb3 Rfe8 13.Rfc1 Bb6=) 10.0-0 0-0 11.Nb1 Be6 12.Be2 Re8 13.d3 Nc5=+; B3) 9.Rb1 b5 (9...d4 10.Ne2 d3 11.cd3 Qd3 12.Rc1 Qd6 13.Ned4 Bd7=; 9...0-0 10.Be2 d4 11.Na4 de3 12.fe3 Ne4 13.0-0 Bd2=+) 10.Bd3 Ne4 11.0-0 0-0 12.a4 ba4 13.Ra1 Bc3=+; B4) 9.Ne2 0-0 (9...Bg4 10.h3 Bf3 11.gf3 0-0 12.Rg1 Re8 13.Ng3 Ne5=; 9...Qe7 10.Ng3 Be4 11.Bd3 Bd3 12.cd3 0-0 13.0-0 Rad8=) 10.Ng3 Bc8 11.Be2 Ne4 12.0-0 Ng3 13.fg3 Re8=; C) 8...0-0 C1) 9.Be2 Re8 (9...Ne4 10.Nb1 Nd6 11.0-0 Re8 12.d3 Qe7 13.Nbd2 Nb5=; 9...a6 10.0-0 Ne4 11.Nb1 Re8 12.d3 Nc5 13.Qc1 Na4=+) 10.0-0 Ne4 11.Ne4 de4 12.Nd4 Nd4 13.Bd4 Qd6=+; C2) 9.Bb5 Ne7 (9...Qd6 10.0-0 Bg4 11.h3 Bh5 12.Be2 Ne4 13.Nb1 Rfe8=; 9...Rb8 10.Rb1 Bg4 11.Be2 Re8 12.0-0 Qd6 13.Nb5 Qe7=) 10.0-0 c5 11.Ne2 Ne4 12.d3 Nd6 13.Ba4 b5=+.

7.e3 Bf5 8.Bd3 A) 8...Ne4 A1) 9.Bb5 Rb8 (9...Bd7 10.0-0 0-0 11.d3 Ng5 12.Bc6 Nf3 13.Qf3 Bc6=; 9...0-0 10.0-0 Ne7 11.Be2 Re8 12.d3 Nc5 13.Nc3 Qd6=) 10.Nd4 Qg5 11.Nf5 Qf5 12.Qf3 Qg6 13.Be2 0-0=; A2) 9.Be2 Nd6 (9...Qe7 10.0-0 0-0 11.d3 Nc5 12.Bc3 Rfe8 13.Ba5 Na5=; 9...0-0 10.0-0 Re8 11.d3 Nc5 12.a4 Ne6 13.Nbd2 Qe7=) 10.0-0 0-0 11.d3 Re8 12.Nc3 Be6 13.Na4 b6=; A3) 9.h3 0-0 (9...Be6 10.0-0 0-0 11.Be2 Re8 12.d3 Nc5 13.Bc3 Bc3=; 9...Bd7 10.0-0 0-0 11.c4 Be6 12.Qc2 f5 13.cd5 Qd5=) 10.0-0 a6 11.Be2 Re8 12.d3 Nc5 13.a4 Qe7=+; A4) 9.0-0 0-0 10.Bb5 Ne7 11.Be2 c5 12.d3 Nd6 13.Nbd2 Re8=; B) 8...Bd3 9.cd3 Bb6 (9...0-0 10.0-0 Bb6 11.Nc3 Re8 12.Qc2 Qe7 13.Rfc1 Rad8=; 9...Qd6 10.Qb3 Bb6 11.Bf6 Qf6 12.d4 Rd8 13.d3 0-0=) 10.0-0 d4 11.Re1 0-0 12.a4 Ng4 13.Qe2 Qd5=+.

7.e3 Bf5 8.Be2 A) 8...Qd6 A1) 9.0-0 Rb8 (9...Rd8 10.d3 0-0 11.Nbd2 Bb6 12.Rb1 Rfe8 13.c4 Bg4=; 9...0-0 10.d3 Rfe8 11.Nbd2 Bb6 12.Rb1 Ng4 13.d4 Ba5=) 10.Re1 0-0 11.Bc3 Bc3 12.Nc3 Rfe8 13.Ra2 a6=+; A2) 9.Nc3 a6 (9...0-0 10.Nb5 Qe7 11.0-0 Rfe8 12.Rb1 a6 13.Nbd4 Nd4=; 9...Ne4 10.Nb5 Qg6 11.0-0 Bh3 12.Ne1 a6 13.Bh5 Qh6=+) 10.0-0 0-0 11.Nh4 Be6 12.Nf3 Rfe8 13.Nb1 Ng4=+; B) 8...Qe7 B1) 9.Nc3 Be6 (9...Rd8 10.0-0 0-0 11.Na2 Rfe8 12.Nb4 Nb8 13.Nd3 Nbd7=; 9...0-0 10.0-0 Rfd8 11.Nb5 Bg4 12.d3 Re8 13.Nbd4 Nd4=) 10.Rb1 Ne4 11.Ne4 de4 12.Nd4 Nd4 13.Bd4 0-0=+; B2) 9.Bb5 0-0 (9...Bd7 10.Bc6 Bc6 11.Nd4 Bd7 12.Nb3 Bb6 13.Qf3 Rg8=; 9...Bg4 10.c4 Bd7 11.cd5 Nd5 12.Qb3 Nf4 13.0-0 Ne6+-) 10.0-0 Rab8 11.Bc3 Bg4 12.h3 Bh5 13.Ba5 Na5=; B3) 9.Nh4 Bc8 (9...Bd7 10.Nf3 0-0 11.0-0 Rfe8 12.Nc3 a6 13.Re1 Qe6=; 9...Be6 10.Bd3 Rd8 11.0-0 0-0 12.Nf5 Bf5 13.Bf5 Ne5=) 10.0-0 0-0 11.Nf3 Re8 12.Nc3 a6 13.Re1 Bf5=+; B4) 9.0-0 0-0 (9...Rd8 10.Bb5 Bd7 11.d3 0-0 12.Bc6 Bc6 13.Nd4 Bd7=; 9...a6 10.d3 0-0 11.Nbd2 Rfe8 12.Nb3 Bb6 13.Rb1 Rad8=) 10.Nc3 Rad8 11.Na2 Bb6 12.Nb4 Na5 13.d4 Rfe8=; C) 8...a6 C1) 9.Nc3 Ne4 (9...b5 10.a4 b4 11.Na2 0-0 12.Nc1 Ne4 13.Nb3 Re8=; 9...0-0 10.0-0 Bc3 11.Bc3 b5 12.d3 Re8 13.Qb1 Qd6=) 10.Nb1 0-0 11.0-0 Re8 12.d3 Nc5 13.Ra2 Na4=+; C2) 9.Nh4 Be6 (9...Bd7 10.0-0 0-0 11.Nf3 Be6 12.Bd3 Ne4 13.Be2 Re8=; 9...Bc8 10.0-0 0-0 11.Nf3 Re8 12.d3 Bb6 13.d4 Bf5=) 10.0-0 0-0 11.Nf3 Re8 12.Bd3 Qe7 13.Nh4 Bd7=+; C3) 9.0-0 0-0 (9...Qe7 10.d3 0-0 11.Nbd2 Rfe8 12.Nb3 Bb6 13.Re1 Bg4=; 9...Qd6 10.d3 0-0 11.Nbd2 Rfe8 12.Nb3 Bb6 13.a4 Na5=) 10.d3 Bb6 11.Nbd2 d4 12.ed4 Nd4 13.Bd4 Bd4=; D) 8...Rb8 D1) 9.Nd4 Nd4 (9...Bg6 10.Nb3 0-0 11.Bf3 Re8 12.0-0 Re6 13.d3 Bb6=) 10.Bd4 Bb6 11.Bb6 ab6 12.0-0 0-0 13.d4 Qd6=; D2) 9.0-0 0-0 (9...Qd6 10.Nc3 0-0 11.Nb5 Qe7 12.Nbd4 Nd4 13.Nd4 Be6=; 9...Qe7 10.Nh4 Bd7 11.Bd3 Ne5 12.Nf5 Bf5 13.Bf5 Nc4=) 10.d3 Bb6 11.Nc3 a6 12.Re1 Re8 13.Rb1 Bc5=+; D3) 9.Ra2 Qd6 (9...Qe7 10.Nd4 Nd4 11.Bd4 c5 12.Bb5 Kf8 13.Bf6 Qf6=; 9...0-0 10.0-0 Re8 11.Re1 Qe7 12.Bc3 Bc3 13.Nc3 a6=+) 10.Nc3 a6 11.0-0 0-0 12.Ra1 Rfe8 13.a4 Bb6=+; D4) 9.Nc3 0-0 (9...Qe7 10.Rb1 0-0 11.0-0 Rfe8 12.Nb5 a6 13.Nbd4 Nd4=; 9...Bg4 10.0-0 0-0 11.Nd4 Nd4 12.Bg4 Nc2 13.Rc1 d4=) 10.0-0 Re8 11.Nb5 Qe7 12.c4 Rbd8 13.Nbd4 Nd4=; E) 8...0-0 E1) 9.0-0 Re8 (9...Qe7 10.d3 Rfe8 11.Nbd2 Bb6 12.Re1 Ng4 13.Nf1 Rad8=; 9...a6 10.d3 Bb6 11.Nbd2 d4 12.ed4 Nd4 13.Bd4 Bd4=) 10.Nc3 Ne4 11.Ne4 de4 12.Nd4 Nd4 13.Bd4 Qd6=+; E2) 9.Nc3 Re8 (9...Ne4 10.Nb1 Nd6 11.0-0 Re8 12.d3 Qd7 13.Nc3 Qe6=; 9...a6 10.0-0 Re8 11.Na2 Qd6 12.Nc1 Bb6 13.Nb3 Ng4=) 10.0-0 Ne4 11.Ne4 de4 12.Nd4 Nd4 13.Bd4 Qd6=+; E3) 9.Qc1 Qd6 (9...Qe7 10.0-0 Rfe8 11.Nc3 Rad8 12.Bb5 Qd6 13.Bc6 Qc6=+; 9...Re8 10.0-0 Qe7 11.Bc3 Bc3 12.Nc3 a6 13.Qb2 b5=+) 10.0-0 Rfe8 11.d3 Bb6 12.Nbd2 Ng4 13.c4 Nf2=+; E4) 9.Nh4 Bc8 (9...Bd7 10.0-0 Qe7 11.Nf3 Rae8 12.Nc3 a6 13.Re1 Qe6=+; 9...Be6 10.0-0 Re8 11.Nf3 Qe7 12.Bb5 Rab8 13.Bc3 Bb6=) 10.0-0 Re8 11.Nf3 Be6 12.Bb5 Rb8 13.Bc3 Bb6=+.

7.e3 Bf5 8.Nh4 A) 8...Be6 A1) 9.Bd3 Bg4 (9...Ne4 10.Qh5 0-0 11.Nf5 Bf5 12.Qf5 g6 13.Qf4 Qe7=; 9...0-0 10.Nf5 Re8 11.Qf3 g6 12.Nd6 Qd6 13.Qf6 d4=) 10.f3 Be6 11.Nf5 0-0 12.Qe2 Re8 13.Qf2 Bb6=+; A2) 9.Qf3 Ne4 (9...a6 10.Nf5 0-0 11.Bd3 Re8 12.0-0 g6 13.Nd6 Qd6+=; 9...Rb8 10.Bb5 a6 11.Bd3 b5 12.0-0 0-0 13.Nf5 Re8=) 10.Nf5 Bf5 11.Qf5 0-0 12.Bd3 g6 13.Qf4 Qe7=; B) 8...Bd7 B1) 9.Bd3 Bg4 (9...0-0 10.Qf3 d4 11.0-0 Ne5 12.Qe2 Bb6 13.ed4 Nd3=; 9...d4 10.0-0 0-0 11.Nf3 Bb6 12.ed4 Bg4 13.c3 Qd5=) 10.f3 Be6 11.Nf5 0-0 12.Qe2 Re8 13.Qf2 Bb6=+; B2) 9.Qf3 d4 (9...Ne4 10.Nf5 Bf5 11.Qf5 0-0 12.Bd3 Re8 13.f3 Qh4=; 9...0-0 10.Bf6 Qf6 11.Qf6 gf6 12.Bb5 Nd4 13.Bd3 Rfe8=) 10.Nf5 Bf5 11.Qf5 0-0 12.Bb5 Ne7 13.Qf4 Qd5=; C) 8...Be4 C1) 9.Be2 0-0 (9...d4 10.0-0 0-0 11.d3 Bd5 12.Nf5 Bb6 13.Nd4 Nd4+=; 9...Nd7 10.Nf3 0-0 11.0-0 Nb6 12.d3 Bf5 13.Nc3 Qe7=) 10.0-0 Nd7 11.g3 Nb6 12.d3 Bg6 13.Ng6 fg6=; C2) 9.Bb5 0-0 (9...a6 10.Bc6 bc6 11.Bc3 Bc3 12.Nc3 Qe7 13.0-0 0-0=; 9...Qd6 10.0-0 a6 11.Be2 Ne7 12.d3 Bg6 13.Nd2 0-0=) 10.0-0 Nd7 11.Nf3 Ne7 12.Nc3 Nb6 13.Nd4 a6=; D) 8...Bc8 D1) 9.Nf3 0-0 (9...Qd6 10.Be2 0-0 11.0-0 Bg4 12.d3 Rae8 13.Nbd2 Bb6=; 9...Bg4 10.Be2 0-0 11.0-0 Re8 12.d3 Qe7 13.Nbd2 Bb6=) 10.Be2 Re8 11.0-0 Qd6 12.Nc3 Ne4 13.Nb5 Qg6=+; D2) 9.Qf3 Ne4 (9...Ng4 10.Nf5 Bf5 11.Qf5 Nh6 12.Qf4 0-0 13.Bd3 Re8+=) 10.Nf5 Bf5 11.Qf5 0-0 12.Bd3 g6 13.Qf4 f5=; E) 8...Bg4 E1) 9.Nf3 Qe7 (9...Qd6 10.Be2 0-0 11.0-0 Rae8 12.d3 Bb6 13.Nbd2 Re7=; 9...0-0 10.Be2 Re8 11.0-0 Qd6 12.d3 Rad8 13.Nbd2 Bb6=) 10.Bb5 0-0 11.0-0 a6 12.Be2 Rad8 13.Nd4 Be2=+; E2) 9.Be2 Bd7 (9...Bc8 10.Nf3 0-0 11.0-0 Re8 12.d3 Bb6 13.d4 Bf5=; 9...Be6 10.Nf3 0-0 11.0-0 Re8 12.Bb5 a6 13.Bc6 bc6=) 10.Nf3 0-0 11.0-0 Be6 12.Bb5 Rb8 13.Be2 Re8=.

6.e3

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Nf3).

6.e3 a6 7.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 a6).

6.e3 a6 7.Be2 0-0 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 a6).

6.e3 a6 7.Be2 Bf5 8.0-0 0-0 9.d3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 a6).

6.e3 Be6 7.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be6).

6.e3 Qe7 7.c4 0-0 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Qe7).

6.e3 Bf5 7.a3 Ba5 8.c4 0-0 9.cd5 Nd5 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bf5).

6.e3 Bg4 7.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4).

6.e3 Bg4 7.Be2 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bg4).

6.e3 Bg4 7.Be2 0-0 8.0-0 Qe7 9.a3 Bd6 10.d3 Rfe8 11.Nbd2 Rad8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7 10.Nbd2 Rad8 11.a3 Bd6).

6.e3 Bg4 7.Be2 0-0 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

6.e3 Bg4 7.Be2 Qe7 8.0-0 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Bg4 8.0-0 Qe7).

6.e3 0-0=

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d5).

7.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d5 7.a3).

7.c4

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2).

7.c4 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bf5).

7.c4 Bf5 8.cd5 Nd5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5).

7.c4 Bf5 8.cd5 Nd5 9.Be2 Nf6 10.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Nf6).

7.c4 Bg4 8.a3 Ba5 9.cd5 Nd5 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.c4 Bg4 8.cd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5).

7.c4 Bg4 8.cd5 Nd5 9.Be2 Qe7 10.0-0 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7).

7.c4 Bg4 8.Be2 Re8 9.cd5 Nd5 10.0-0 Qe7 11.a3 Bd6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Bd6).

7.c4 Re8

8.Qb3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8 7.Qb3 Nc6 8.Bb2).

8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

8.cd5 Nd5 9.Be2 Bd6 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Bd6).

8.cd5 Nd5 9.Be2 Bf5 10.0-0 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qe7).

8.cd5 Nd5 9.Be2 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

8.Be2 Be6 9.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6).

8.Be2 Bf5 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.c4).

8.Be2 Bf5 9.0-0 Qd6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qd6).

8.Be2 Bg4 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

7.Be2

7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

7.Be2 Be6 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Be6).

7.Be2 Qe7 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Qe7).

7.Be2 Qe7 8.0-0 Re8 9.d3 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7).

7.Be2 Qe7 8.0-0 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Bg4 8.0-0 Qe7).

7.Be2 Qe7 8.0-0 Bg4 9.d3 Rad8 10.Nbd2 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7 10.Nbd2 Rad8).

7.Be2 Bf5 8.0-0 Qe7 9.d3 Rad8 10.Nbd2 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7 10.Nbd2 Rad8).

7.Be2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5).

7.Be2 Bf5 8.0-0 h6 9.d3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 h6).

7.Be2 Bg4 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

7.Be2 Re8

8.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0).

8.0-0 a6 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 a6).

8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

8.0-0 Bf5 9.c4 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Qe7 9.c4 Bf5).

8.0-0 Bg4 9.c4 Qe7 10.a3 Bd6 11.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Bd6).

6.g3 Bf5

7.Bg2 Bc5

8.0-0 0-0 9.d3 Re8 (9...Qd7 10.Bf6 (10.Nbd2 Rfe8 11.c4 dc4 12.Rc1=+) 10...gf6 11.Nbd2 Rfe8 12.Rb1=; 9...d4 10.c3 (10.Nbd2 Qd6 11.c3 dc3 12.Bc3=) 10...Re8 11.Nbd2 dc3 12.Bc3=) 10.Nbd2 (10.Re1 d4 11.Nbd2 Qd7 12.Rb1=+) 10...h6 (10...Qe7 11.e3 Rab8 12.Nb3=+) 11.c4 (11.Rb1 Qe7 12.e3=) 11...dc4 12.Nc4 Be6 13.Rc1 Be7 14.a3 Rb8 15.Nce5 Ne5 16.Be5 Bd6 17.Qa4 a6 18.Rb1 Bd5 19.d4 Bc6 20.Qb3 Be5 21.Ne5 Bd5 (21...Bg2!? 22.Qf7 Kh8 23.Kg2 Qd4 24.Ng6 Kh7=) 22.Bd5+= Qd5 23.Qd5 Nd5 24.e3 b6 25.Rfc1 f6 26.Nc6 Ra8 27.Nb4 Nb4 28.Rb4 Re7 29.Rbc4 Ra7 30.Kf1 Kf7 31.Rc6 Ke8 32.Ke2 Kd7 33.a4 Re6 34.Re6 Ke6 35.e4 Kd6 36.f4 c6 37.e5 fe5 38.fe5 (38.de5!? Kd5 39.Rd1 Ke4 40.Rd6+=) 38...Kd5= 39.Kd3 Rf7 40.Re1 (40.a5!? Rf3 41.Ke2=) 40...c5=+ 41.dc5 bc5 42.Rc1 (42.Kc3 g5=+) 42...Rc7 (42...Rf3 43.Kd2 Rf5 44.e6-+) 43.Re1 (43.Rb1!?=+) 43...Re7-/+ 44.Rb1 Re6 (44...Re5 45.Rb7 g5 46.Rd7 Kc6 47.Rf7 Rd5 48.Kc2-/+) 45.a5? (better 45.Rb7!?=+) 45...c4 (45...Ke5?! 46.Kc4 Rc6 47.Re1 Kf5 48.Re7=) 46.Kc3 Re5 47.Rb6 Re3 48.Kd2 Rd3 (48...Re6!?-+) 49.Kc2=+ Ra3 50.Ra6 Kc5 51.Kb2 Rf3 52.Ra7 Rf2 53.Kc3 Rf3 54.Kd2 Rf2 55.Ke3 Rh2 56.Rg7 Kb5 57.Kd4 (57.Rc7!?=+) 57...Rd2-/+ 58.Kc3 Rd3 59.Kc2 Ka5 60.g4 Rg3 61.Rg6 Rg2 62.Kc3 Kb5 63.Rh6 Rg3 (63...Rg4?! 64.Rh5 Kc6 65.Kb4=) 64.Kc2 Rg4 65.Rh8 Rg2 66.Kc3 Rg3 67.Kc2 Kc5 (67...Rf3 68.Rb8 Kc5 69.Rc8 Kd4 70.Rd8 Ke4 71.Re8 Kd5 72.Rd8 Ke5 73.Re8 Kd6 74.Rd8 Ke6=) 68.Rc8= Kd5 69.Rd8 Ke4 70.Rc8 Kd4 71.Rd8 Kc5 72.Rc8 Kb5 73.Rb8 Ka5 74.Rc8 Kb5 75.Rb8 Kc6 76.Rc8 Kd5 77.Rd8 Ke4 78.Rc8 Kd5 ½–½. Gierasimiuk,Gabriela – Rynkiewicz,Natalia, Eliminacje miedzywojewodzkie Poland, 2011.

8.0-0 0-0 9.d4 A) 9...Bd6 10.Nbd2 (10.Nh4 Bg4 11.Nc3 Be7 12.h3=+) 10...Na5 11.Bc3 c6 12.Nh4=; B) 9...Bb6 10.Nbd2 Re8 11.c4 dc4 12.Nc4=+; C) 9...Bb4 10.c3 (10.Nbd2 Ne4 11.a3 Bc3 12.Rb1=+) 10...Be7 11.Nbd2 Re8 12.c4=+.

8.0-0 0-0 9.e3 A) 9...Re8 10.Nc3 (10.Re1 d4 11.ed4 Re1 12.Qe1=+) 10...Qe7 11.d3 Rad8 12.Rb1=+; B) 9...a5 10.d3 (10.Nc3 Re8 11.Nb5 Rc8 12.Nbd4=+) 10...a4 11.Na3 Rc8 12.Nb5=; C) 9...d4 10.ed4 (10.Nd4 Nd4 11.ed4 Bd4 12.c3=+) 10...Nd4 11.Nd4 Bd4 12.c3=+.

8.0-0 Bb6 A) 9.d3 A1) 9...Qd7 10.Qd2 (10.Qc1 d4 11.c3 0-0 12.cd4=) 10...0-0 11.Bf6 gf6 12.Qf4=; A2) 9...Qd6 10.c4 d4 11.Ba3 Bc5 12.Bc5+=; A3) 9...0-0 10.e3 (10.Nbd2 Re8 11.Rb1 d4 12.c4=) 10...Re8 11.h3 d4 12.ed4=; B) 9.e3 B1) 9...Qd7 10.Bf6 (10.Re1 Bh3 11.Bf6 gf6 12.d4=) 10...gf6 11.Nc3 0-0-0 12.Rb1=; B2) 9...Qd6 10.d4 (10.Nc3 0-0 11.d3 Rfe8 12.Rb1=) 10...Qb4 11.Qc1 Qc4 12.Na3=; B3) 9...0-0 10.Nc3 (10.d3 Re8 11.Nc3 Qd7 12.Ne2=) 10...Qd7 11.Ne2 Rfe8 12.Rb1=; C) 9.Nc3 C1) 9...Qe7 10.d3 (10.e3 0-0 11.d3 Qd7 12.Ne2=) 10...Qb4 11.Qc1 Be6 12.e3=; C2) 9...Qd6 10.Qc1 (10.d3 0-0 11.Qc1 Rfe8 12.Qg5=) 10...0-0 11.d3 Rae8 12.Qg5=; C3) 9...0-0 10.e3 (10.Na4 Re8 11.Re1 Qd7 12.Bf6=+) 10...Qd7 11.Ne2 Rfe8 12.Rb1=.

8.0-0 Rb8 A) 9.d3 A1) 9...0-0 10.Nbd2 (10.e3 Re8 11.Nbd2 Qd7 12.Bf6=+) 10...Re8 11.Rb1 Qe7 12.Nb3=; A2) 9...Be7 10.Nbd2 (10.c4 dc4 11.dc4 0-0 12.Qb3=) 10...0-0 11.c4 Be6 12.Ng5=; A3) 9...Qe7 10.Qc1 (10.Qd2 0-0 11.Qg5 Be6 12.Nbd2=) 10...0-0 11.Qg5 Be6 12.Nbd2=; B) 9.Qc1 B1) 9...Qd7 10.d4 (10.Bf6 gf6 11.c3 0-0 12.d4=) 10...Bd6 11.c4 0-0 12.cd5+=; B2) 9...0-0 10.d3 (10.c4 d4 11.d3 Qd6 12.Na3=+) 10...Re8 11.Qg5 Be6 12.Nbd2=+; C) 9.d4 C1) 9...Bb6 10.c4 (10.Ba3 Ne7 11.Nc3 0-0 12.Nh4=) 10...0-0 11.Nbd2 dc4 12.Nc4=; C2) 9...Bd6 10.c4 (10.Nh4 Be6 11.c4 0-0 12.cd5=) 10...dc4 11.Nbd2 0-0 12.Ne5=; C3) 9...Be7 10.Nbd2 (10.c4 dc4 11.Nbd2 b5 12.d5=+) 10...0-0 11.c4 dc4 12.Nc4=.

8.0-0 d4 A) 9.c3 A1) 9...Qd7 10.Nd4 (10.cd4 Nd4 11.Bd4 Bd4 12.Nd4=) 10...Bh3 11.Nf3 Bg2 12.Kg2=; A2) 9...dc3 10.Nc3 (10.Bc3 0-0 11.d3 Re8 12.Nbd2=) 10...0-0 11.Qc1 Qe7 12.d3=; A3) 9...0-0 10.d3 (10.cd4 Nd4 11.Nd4 Bd4 12.Nc3=+) 10...Re8 11.Nbd2 dc3 12.Bc3=; B) 9.Qc1 B1) 9...Qd7 10.d3 (10.Ba3 Bb6 11.d3 0-0-0 12.Nbd2=+) 10...0-0 11.Nbd2 Rfe8 12.Nb3=+; B2) 9...Bb6 10.d3 (10.a4 0-0 11.a5 Ba5 12.Nd4=+) 10...0-0 11.a4 a6 12.Nbd2=; B3) 9...0-0 10.d3 (10.Ba3 Qd6 11.Re1 Rfe8 12.Bc5=+) 10...Qd6 11.Qg5 Be6 12.c3=+; C) 9.d3 C1) 9...0-0 10.c3 (10.Nbd2 Re8 11.c3 dc3 12.Bc3=) 10...Qd6 11.cd4 Nd4 12.Nbd2=; C2) 9...Qd6 10.c3 (10.Nbd2 0-0 11.c3 dc3 12.Bc3=) 10...0-0 11.cd4 Nd4 12.Nbd2=; C3) 9...Qd7 10.c3 (10.c4 a5 11.Qb3 0-0 12.Qb5=+) 10...0-0 11.cd4 Nd4 12.Nbd2=.

8.0-0 Qd7 A) 9.e3 A1) 9...Bb6 10.Bf6 (10.Nc3 0-0 11.Ne2 Rfe8 12.Rb1=) 10...gf6 11.Nc3 0-0-0 12.Rb1=; A2) 9...0-0-0 10.d4 (10.d3 h5 11.Nbd2 h4 12.Bf6=) 10...Be7 11.Nbd2 h5 12.h4=; A3) 9...Be7 10.Nc3 (10.d3 0-0 11.Nc3 Rfe8 12.Ne2=+) 10...0-0 11.Ne2 Rfe8 12.Nf4=+; B) 9.c4 B1) 9...d4 10.d3 (10.Ba3 Ba3 11.Na3 d3 12.ed3=+) 10...0-0 11.Nbd2 Bh3 12.Nb3=; B2) 9...dc4 10.Qa4 (10.Qc1 Qe6 11.d4 Bb4 12.d5=+) 10...Be6 11.Qb5 Bb6 12.Na3=+; C) 9.d3 C1) 9...0-0 10.Bf6 (10.Nbd2 Rfe8 11.c4 dc4 12.Rc1=+) 10...gf6 11.Nbd2 Qe6 12.c3=; C2) 9...d4 10.c3 (10.c4 Bh3 11.Nbd2 Bg2 12.Kg2=) 10...0-0 11.cd4 Nd4 12.Nbd2=; C3) 9...Bh3 10.Bh3 (10.Nbd2 Bg2 11.Kg2 0-0 12.Bf6=) 10...Qh3 11.Nbd2 Ng4 12.c3=.

5.Bb2 d6

6.c3 Bc5 7.d4 Bb6 8.Qc2 0-0 9.e4 (better is 9.e3!?=) 9...Re8 10.Bd3 Bg4 (10...Ne4!? 11.0-0 d5-/+) 11.Nbd2= Qe7 12.0-0-0 Bd7 13.Rde1 h6 14.h3 a6 15.g4 Ba7 16.g5 hg5 17.Ng5 b5 18.f4 (18.Ndf3 Rad8+=) 18...Bb6 19.Nb1 b4 20.Qf2 bc3= 21.Bc3 Reb8 22.e5 de5 23.fe5 Nd5? 24.Qh4+- Kf8?? 25.Qh8 1–0. Mair,Bob – Chi,Jonathan, Canada op Edmonton, 2000.

6.c3 Bc5 7.d4 Bb6 8.d5 Ne5 9.Ne5 (9.e3 0-0=+) 9...de5-/+ 10.c4 (10.Qa4 Bd7 11.Qc2 c6 12.dc6 Bc6-/+) 10...Ba5 (10...Ne4 11.e3 Ba5 12.Nc3 Bc3 13.Bc3 Nc3 14.Qc2 Nd5 15.Rd1-/+) 11.Nc3 0-0 12.e3 Bf5 13.Be2 Ne4 14.Qb3 Qh4-/+ 15.0-0 Nd2 16.Qb7 Nf1 17.Rf1 Rfb8 18.Qa6 Rb2 19.Qa5 Rb6 20.g3 Qh3 21.Bf3? Rh6-+ 22.Rd1 Qh2 23.Kf1 Qh3?? 24.Ke2? Bg4-+ 25.Qc7? Bf3 26.Kf3 Rf6 27.Ke2 Qg2 28.Rf1=+ Qf3 29.Kd2 e4 30.Qb7 Rd8 0–1. dragonpower (1910) – sgbrito (1960), net–chess.com, 2002.

6.Nc3 0-0 7.a3 Bc3 8.Bc3 =+.

6.Nc3 0-0 7.e3 Be6 8.a3 Bc3 9.Bc3 =+.

6.Nc3 0-0 7.e3 Bg4 8.Be2 Re8 9.0-0 a6 10.a3 Ba5 11.d4 d5 12.Nb1 Ne4 13.Nfd2 Be2 14.Qe2 Qf6 15.Nb3 Bb6 16.N1d2 Rad8 17.c4 Ba7 18.Rac1 Bb8 19.Qg4 Na7 20.cd5 Nd2 21.Nd2 Qg6 22.Qg6+/– hg6 23.e4 c6 24.dc6 Nc6 25.d5 Ne5 26.Bd4 b5 27.f3 Nd3 28.Rc6 a5 29.Nb3 b4 30.a4 Be5 31.Be5 Ne5 32.Rc5 Rb8 33.Rd1 f6 34.h3 g5 35.Kf2 Rbc8 36.Ra5 Rc2 37.Kg3 Rec8 38.Rb5 Re2 39.Rb4 Rcc2 40.Rg1 Nd3 41.Rb8 Kh7 42.Nd4 f5 43.ef5 Nf4 44.Nc2 Rc2 45.d6 Nh3 46.Kh3 Rc6 47.d7 Rh6 48.Kg3 g4 49.d8Q Rh3 50.gh3 Kh6 51.Qh4# 1–0. Lazard,Alain – Anquetil,Gael, Paris FRA ch Op–B, 1994.

6.Nc3 0-0 7.e3 Bg4 8.Be2 Re8 9.a3 Ba5 10.h3 Bd7 11.d3 (11.0-0 Qe7=) 11...h6 (11...Nd5! 12.Qd2 Qf6-/+) 12.0-0= d5 13.d4 Bf5 14.Bb5 Qd6 15.Bc6 (15.Ne2 a6 16.Bd3 Be4+=) 15...bc6 (15...Qc6 16.Ne5 Qd6 17.Ne2+=) 16.Nh2 Rab8 17.Ra2 (17.Na4 Rb7-/+) 17...Rb7 (better is 17...Rb2!? 18.Rb2 Bc3-+) 18.Na4 Ne4 19.f3? (better is 19.Nf3-/+) 19...Ng3-+ 20.Re1 Be1 21.Qe1 Bc2 22.Nc5 Rbb8 23.Na6 Rb6 24.Nb4 Bg6 25.Ng4 f6 26.Bc3 h5 27.f4? Ne4 28.Nf2 Ng3 29.Kh2?? Ne4 30.Ne4?? Be4-+ 31.Qh4 Bg6 32.Qg3 Kh7 33.Re2 c5 34.dc5 Qc5 35.Bd4 Qd4?? 36.ed4+/– Re2 37.Qf3 Re1= 38.Qd5 Rd6 39.Qc5+= Ra1 40.f5+/– Be8 41.Qc7 Rd7 42.Qc3 Rd1 43.Qc8 Re1 44.d5 a5 45.Nc2 Re5+= 46.Nd4 Rdd5 47.Ne6 Bb5?? 48.Nf8 Kh6 49.Ne6 Kh7 50.Nf8 Kh6 51.Qc1 g5 52.fg6 Kg7+/– 53.Qc7 Kh6?? 54.Qh7+- Kg5 55.g7 (55.g7 Kf4 56.g8Q+-) 1–0. Baer,Cy (1895) – Zornack,Andre (1985), RSS7E easy–58, 2007.

6.Nc3 Bf5 7.e3 0-0 8.Bc4 Re8 9.a3 Ba5 10.0-0= a6 11.Bb3 Bg4 12.h3 Bh5 13.d4 d5=+ 14.Ba4 Ne4 15.Na2? Qf6 16.Bb3 Rad8 17.g4 Ng5 18.Ng5=+ Qg5 19.Qf3 Re4 20.Kh2 Bg4?? 21.Rg1?? Bf3-+ 22.Rg5 Re6 23.Nc3 Bc3 24.Bc3 Rdd6 25.Rag1=+ Rg6 26.Rg6 Rg6 27.Rg6 hg6 28.Kg3 Be4 29.f3+/– Bf5 30.h4 Kf8 31.Kf4 Ke7 32.Bb4 Nb4-/+ 33.ab4 c6 34.c4 dc4 35.Bc4 Be6 36.Bd3 Kd6 37.e4 Bb3 38.Ke3 Be6 39.Kd2 Bc8 40.Kc3 b6 41.Kb3 Be6 42.Kc3 b5 43.Kb2 Kc7 44.f4 Kb6 45.f5 gf5-/+ 46.ef5 Bd5 47.Be2 Be4 48.Bg4 a5-+ 49.Ka3 a4 50.h5 Kc7 51.f6 gf6 52.h6 Kd6 53.Bf3 Bh7 54.Bh5 f5 55.Bf7 f4 56.Bh5 Kd5 57.Bf3 Kd4 58.Bc6 Kc4 59.Bb7 Kd3 60.Kb2?? Ke3 61.Bc6 f3 62.Bb5 f2 ½–½. Groeneveld,Patrick – Gerritse,Youri, Hengelo U14, 1996.

6.Nc3 h6 7.a3 Ba5 8.e3 Bg4 9.h3 Bh5 10.Be2 0-0 11.0-0 Re8 12.Nb5 a6 13.Nbd4 Nd4 14.Nd4 Be2 15.Qe2 c5 16.Nf5 Ne4?? 17.Ng7+- Re7 18.Nf5 Re6 19.d3 Ng5 20.f4 Rg6 21.fg5 Qg5 22.e4 Kh7 23.Rf3 Rag8 24.Rg3 Qf4 25.Rf1 Qf1 26.Qf1 Bd8 27.Rg6 Rg6 28.Nd6! Rg7 29.Bg7 Kg7 30.Qf7 (30.Qf7 Kh8 31.Qg6 Bf6 32.Nf7#) 1–0. salmo (1910) – IroniteNC, internet, 2005.

6.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6).

6.e3 a6 7.Be2 0-0 8.0-0 Bg4 9.a3 Bc5 10.c4 h6 11.d4+= Bb6 12.d5 Na7 13.Qc2 c6 14.Nc3 Rc8 15.Rfd1 c5 16.Rab1 Bh5 17.Na4 Bg6 18.Bd3+- Bd3 19.Rd3 Ne4?? 20.Rb3 f5 21.Rb6 (21.Rb6 Rf7 22.Bc3+-; 21.Nb6 Rb8+-) 1–0. Pommerel,Wim – Bankwitz, corr CiF–FT, 1989.

6.e3 a6 7.Be2 Bf5 8.0-0 Qe7 9.c4 0-0 10.a3 Ba5 11.Nd4 Nd4 12.Bd4 Ne4 13.Ra2 Be6 14.Qa4 b6 15.Bf3 d5 16.d3 Nc5 17.Bc5 Qc5 18.cd5 Bd5 19.Rc2 Qd6 20.e4 Bb7?? 21.e5!+- Qd3 22.Bb7 Rad8 23.Rc7 Rd4 24.Qc2 (24.Qc2 Qb5 25.Qf5+-) 1–0. Morante Jimenez,Andreu – Echarri Torres,Miguel, Catalunya–chT, 1993.

6.e3 Be6 7.a3 Ba5 8.Bd3 =.

6.e3 Be6 7.Bb5 0-0=+ 8.Bc6 (8.Nc3 a6 9.Bd3 d5=+) 8...bc6-/+ 9.0-0 Rb8 10.Nd4 (10.Nc3 c5=+) 10...Bd7 11.Bc3 (11.Nc3 c5 12.Nde2 Bc6-/+) 11...c5 (11...Qe7 12.Nb3-/+) 12.Ne2 Re8 13.d4 Bg4 14.Bb4-/+ cb4 15.Nd2 Qd7 16.f3 Bh5 17.e4=+ Qc6 18.Nb3 Qb5 19.d5? Qa6?? 20.Qc1?? Qe2-+ 21.Nd4 Qc4 22.Nf5 Bg6 23.Ne3 Qc5 24.Kh1 Nd7 25.Qd2 a5 0–1. Trkn – Maxamillion Madison, itsyourturn.com, 2000.

6.e3 Qe7 7.Be2 (7.c3 Bc5=+) 7...0-0 (7...Be6 8.0-0=+) 8.0-0 a6 (8...Be6 9.Nd4=+) 9.c4 (9.a3 Bc5=) 9...Bf5 (9...d5 10.a3 Bd6 11.Nd4=+) 10.d3 (10.a3 Ba5=) 10...Ba5 11.Nbd2 h6 12.Rc1 Nd7 13.e4 Bh7 14.Nb3 Bb6 15.Re1 Nce5 16.Nbd4 Qf6 17.Ba1 Ba5 18.Rf1 Nf3 19.Bf3 Ne5 20.Be2 Qe7 (20...Bb6 21.f4 Nc6 22.c5 Bc5 23.Rc5 dc5 24.e5-+) ½–½. Curado,Manuel – Cruz,Paulo, corr. XIV T Portugal Prel, 1994.

6.e3 Qe7 7.Be2 Bd7 8.0-0 0-0 9.a3 Ba5 10.Nc3=.

6.e3 Qe7 7.Be2 Bd7 8.0-0 h5 9.d4 (9.Nc3 0-0=) 9...0-0-0 (9...d5 10.c4=) 10.c4 g5 (10...Rde8 11.Nc3+=) 11.d5 (11.a3 Ba5+=) 11...Ne5+= 12.Qd4 (12.Ng5 Rdg8 13.a3 Bc5+=) 12...Bc5= 13.Qc3 h4 (13...Ne4!? 14.Qc2 f5=) 14.Ne5+/– Qe5 (14...de5 15.Qe5 Qe5 16.Be5+/–) 15.Qe5 de5 16.Be5 Be7 (16...Rh6 17.Nc3 Re8 18.Bf6 Rf6 19.Bd3+=) 17.Nc3 Rhg8 (17...Rhe8 18.Rfd1 Ng8 19.Bd4+/–) 18.Rfb1 (18.c5 Bf5 19.Rad1 Nd7 20.Bc7 Kc7 21.d6 Bd6 22.cd6 Kb8+-) 18...Ne8 19.Nb5 (better is 19.Rb2+/–) 19...a6? (19...Bb5 20.Rb5 (20.cb5?! Rd5 21.Bb2 Bf6=) 20...a6 21.Bg4 Kb8 22.Rb2+/–) 20.Nc3?? (better is 20.Na7 Kb8 21.Nc6 Bc6 22.dc6+-) 20...g4 (20...h3 21.Rb2 f6 22.Bd4+-) 21.Rb3 (better is 21.Rb2+/–) 21...g3? (better is 21...a5+/–) 22.fg3+- hg3 23.Bg3 Nd6 (23...a5 24.Rab1 b6 25.Rf1+-) 24.e4 (24.c5 Nb5 25.Rf1 Bc5+-) 24...Bg4 (24...Rg3 25.hg3 Bf6 26.Rd1+-) 25.Bg4 (25.Bd3!? Bd7+-) 25...Rg4 26.Bd6 Bd6 27.Re1 (27.Rf1 Rd7+-) 27...Rh8 (27...Re8 28.Rf1 Rf4 29.g3 Bc5 30.Kg2 Rf1 31.Kf1+-) 28.g3 Rg6 (28...Rg5 29.Na4+-) 29.Re2 (29.Na4 Rgh6 30.Re2 Be5+-) 29...Be5 30.Nd1 Rgh6 (30...Bd4 31.Kg2+-) 31.Ne3 Bd4 32.Kh1 Rf6 (32...Rh5 33.Nf5 Bc5 34.h4+-) 33.Nf5 (33.e5 Rg6 34.Nf5 Bc5+-) 33...Be5 34.Rf3 (34.c5 b6+-) 34...Rb6 35.Rb3 Rf6 36.Rf2 Kb8 (36...Re8 37.Kg2+-) 37.Rc2 (37.Kg2 Kc8+-) 37...b6 (37...Ka7 38.c5+-) 38.c5 b5 (38...Ka7 39.Ne7 b5 40.Nc6 Rc6 41.dc6+-) 39.a4 Kc8 (39...c6 40.dc6 Rc6 41.ab5 ab5 42.Rb5 Kc7 43.Kg2+-) 40.ab5 ab5 41.Rb5 (better is 41.c6!? Rf5 42.ef5 Kd8+-) 41...Ra6 42.c6 Ra3 (42...Ra7 43.Rf2+-) 43.Ne7 (better is 43.Rb7!? Rh7+-) 43...Kd8 44.Rb8 (better is 44.d6 Bd6 45.Rb8 Ke7 46.Rh8+-) 44...Ke7= 45.Rh8 Bh8 46.Re2 (46.Kg2 Re3 47.Rc4 Re2 48.Kh3 Bf6+=) 46...Be5 47.Kg2 Ra8 (47...Kd6 48.Kh3=) 48.g4 (48.Rf2 Ra3 49.Rf5 f6=) 48...Kf6 (48...Ra3 49.Kg1=) 49.h4 (49.Rf2 Ke7=) 49...Ra3 (49...Bf4 50.Kf3 Ke5 51.g5=) 50.Rf2+= Kg6 (50...Ke7 51.Rf5 f6 52.g5 Rg3 53.Kf1+=) 51.Rf3 (51.Rf5 f6 52.g5 Ra2 53.Kf3 Ra3 54.Ke2 Ra2 55.Kd1 Ra1 56.Kc2 Ra2 57.Kb3 Re2 58.Re5 fe5=) 51...Ra2= 52.Rf2 Ra3 53.h5 (better is 53.Rf5 f6 54.g5 Ra2 55.Kf3 Ra3 56.Ke2 Ra2 57.Kd1 Ra1 58.Kc2 Ra2 59.Kb3+/–) 53...Kg5?? (better is 53...Kg7 54.Rf5 f6=) 54.Rf5+- Kg4 55.Re5 Ra2 56.Kg1 Kg3 (56...Kf3 57.Rf5 Ke4 58.Rf7 Kd5 59.Rc7+-) 57.Rg5 (better is 57.Rf5 Ra1 58.Rf1 Ra2 59.Rf7 Ra1 60.Rf1 Ra2+-) 57...Kh4 (57...Kf4 58.Rg8 Ra1 59.Kh2 Ra2 60.Kh3 Ra3 61.Kh4 Ke5+-) 58.Rf5 Kg3 (58...f6 59.h6 Kg3 60.d6 Ra1 61.Rf1+-) 59.h6 (better is 59.Kf1 f6 60.Rf6 Kg4+-) 59...Ra8 (59...Ra1 60.Rf1 Ra2 61.Rf7 Ra1 62.Rf1+-) 60.Rf7 (better is 60.h7 f6 61.Rf6 Ra1 62.Rf1 Ra8+-) 60...Rh8 (60...Ra1 61.Rf1 Ra2+-) 61.h7 Kg4 62.Rc7 Kf4 63.Rf7 Ke4 64.Rd7 Kd4 65.c7 Kc5 66.Rd8 1–0. Angulo Castillo,Francisco – Preciado Rodriguez, Semifinal, 2017.

6.g3 0-0 7.Bg2 Re8 8.0-0 Ne5 9.d3 Nf3 10.Bf3 Bh3 11.Bg2 Bg2 12.Kg2 c6 13.Nc3 Qa5 14.Nb1 Qg5 15.a3 Bc5 16.Nc3 b5 17.e3 h5 18.Ne2 h4 19.Nf4 d5 20.h3 (20.Qf3 Nd7) 20...hg3 21.fg3 Re3 22.h4 Rg3 23.Kh1 Qh4 0–1. Guest322729 – Wall,Bill, playchess.com, 2011.

6.g3 0-0 7.Bg2 Bf5 8.0-0 Ba5 9.Nc3 Re8 10.d3 d5 11.h3 a6 12.Nh4 Be6 13.e3 Rb8 14.Ne2 Qd7 15.Nf4 Ne7 16.Bf6+= gf6 17.Ne6 fe6 18.Qh5 Rf8 19.e4 Rf7 20.ed5 ed5 21.c4 c6 22.Rac1 Bd2 23.Rc2 Bg5 24.Nf3 Rg7? 25.h4+- Bf4 26.gf4 Qh3 27.Ng5?? Qd3= 28.Rcc1 fg5=+ 29.fg5 dc4 30.Rfd1 Qg6 31.Qg6+= Rg6 32.Rc4 h6 33.f4 hg5 34.fg5 Kf7 35.Rc5 Rh8+= 36.Rf1 Ke6 37.Rc4 Nf5?? 38.Re4+- Kd6 39.Rf5 Re6 40.Rg4 Re7 41.g6 Rg7 42.Kh2 Ke6 43.Be4 Kd6 44.Rfg5 b5 45.h5 c5 46.Rh4 Rh6 47.Rd5 Kc6 48.Rf5 Kb6 49.Rf7 Rf7 50.gf7 Rf6 51.h6 Rf7 52.h7 Rh7 53.Bh7 Ka5 54.Kg2 c4 55.Kf2 Kb4 56.Ke2 Ka3 57.Bb1 Kb2 58.Rh1 a5 59.Kd2 c3 60.Kd3 b4 61.Kc4 c2 62.Bc2 Kc2 63.Rh2 Kb1 64.Kb3 Kc1 65.a3 ba3 66.Ka3 Kb1 67.Ka4 Kc1 68.Ka5 Kd1 69.Kb4 Kc1 70.Kc3 Kd1 71.Ra2 Ke1 72.Kd3 Kf1 73.Ke3 Kg1 74.Kf3 Kh1 75.Kg3 Kg1 76.Ra1# 1–0. tonjan (1640) – Istvanny (1645), internet, 2007.

6.g3 a6 7.Bg2 Bg4 8.0-0 (8.a3 Ba5 9.0-0=) 8...Qd7 (8...0-0 9.a3 Ba5 10.h3=) 9.d3 (9.Bf6 gf6 10.a3 Ba5+=) 9...h5 (9...Qe6 10.a3 Bc5 11.h3 Bf3 12.ef3=) 10.Nbd2 (10.Bf6 gf6 11.c3 Ba5+=) 10...0-0-0 (10...Rh6 11.Rb1+=) 11.c3 (11.Rb1 Qe6+=) 11...Bc5= 12.d4 (12.c4 Qe7=) 12...Ba7 13.Re1 (13.Bc1 Rde8 14.Re1 Bf5=) 13...Rdg8 (13...Rhe8 14.Qb3=) 14.Nf1 (14.Rb1 Re8=) 14...g5 (14...Bf3 15.ef3 h4 16.Rb1=) 15.e4 (15.c4 h4=) 15...h4 16.e5 Nd5 (16...de5 17.de5 Qd1 18.Rad1=+) 17.c4 Nf4 18.Ne3 (18.e6 fe6 19.d5 Ng2 20.Kg2-+) 18...f5?? (18...Ng2!? 19.Kg2 Bf3 20.Kf3 de5 21.de5 Nd4 22.Bd4 Bd4-+ (22...Qd4?! 23.Qd4 Bd4 24.Rad1 Be5 25.Kg4=+)) 19.ed6?? (better 19.gf4 gf4 20.Ng4 fg4 21.d5 gf3 22.e6+=) 19...hg3=+ 20.fg3 (20.hg3 Ng2 21.Kg2 Bh3 22.Kg1-+) 20…Ng2-/+ (20...Ng2 21.Kg2 Bf3 22.Qf3 f4-/+ (worse 22...Bd4 23.Bd4 Nd4 24.Qd5=; 22...Nd4?! 23.Bd4 Bd4 24.Rab1 cd6 25.Nf5=)) 0–1. jaddwarrior (1930) – hklim (2305), ChessWorld.net, 2013.

6.g3 Be6 7.Bg2 Qd7 8.0-0 Qe7 9.Nc3 0-0 10.Ng5 Bd7 11.Nge4 Bc3 12.Nc3 Rfe8 13.Re1 Rad8 14.d4 Bc8 15.e4 Na5 16.Qe2 c5 17.d5 Qe5 18.Rad1 Qh5 19.f3 Bh3 20.Bh1 Re7 21.Qb5 b6 22.Ne2 g5?? (better is 22...Bd7 23.Qa6 Bc8+/–) 23.Bf6+- Qg6 (23...Ree8 24.Bd8 Rd8 25.Qa6+-) 24.Bc3 (better is 24.Be7 Rd7 25.Bg5 Qg5 26.Nf4+-) 24...Nb7 (24...f5 25.Ba5 ba5 26.Nc3+-) 25.f4 (25.g4 h5 26.gh5 Qh5+-) 25...Red7 (25...Re4 26.Qa6 (26.Be4 Qe4 27.Kf2 Re8 28.Qe8 Qe8+=) 26...Re3 27.fg5+-) 26.fg5 Qg5 27.Nf4 Bg4 28.Rd2 f5 (28...Na5 29.Rf2 Re7 30.Ne6 Be6 31.Bf6 Qf6 32.Rf6 (32.de6 Qe6 33.Qe2 Rf8+=) 32...Bd5 33.Rf5+-) 29.Ne6 (29.h3 Bh3 30.Nh3 Qg4+-) 29...Qh5 (29...Qg6 30.ef5 Qf7 31.Nd8 Nd8 32.Qa4+-) 30.Rf2 (better is 30.Nd8 Rd8 31.ef5+-) 30...fe4 (30...f4 31.Rf4 h6+-) 31.Be4 (31.Qd7! Qh2 32.Kh2 Rd7 33.Rf8) 31...Be6 32.de6 (32.de6 Re7 33.Rf5 Qf5 34.Bf5+-) 1–0. Macedo,A Soares De (1850) – Da Silva,K Y M (1750), Zonal CBX – RN, 2014.

6.g3 Bg4 7.Bg2 0-0 8.0-0 Re8 9.Re1 Rb8 10.c3 Ba5 11.Na3 Ne5 12.Ne5 de5 13.Nc4 Bb6 14.Nb6 ab6 15.d4 ed4 16.cd4 c6 17.a4 Qc7 18.Qd3 Rbd8 19.e4 Re7 20.e5 Nd5 21.Qe4 Bd7 22.Rac1 Qb8 23.Ba3 Ree8 24.Bd6 Qa7 25.Qc2 Be6 26.Be4 g6 27.Rb1 Qa5 28.Bd5 Qd5 29.Bc7 (29.Qd1 Qa5=) 29...Bh3 30.Qe4 Qe4 31.Re4 Rd7 32.Bb6 Bf5 33.Ree1 Bb1 34.Rb1 Kg7 35.Bc5 Ra8 36.Rb4 g5 37.Kg2 Kg6 38.Kf3 h5 39.h4 gh4 40.gh4 Kf5 41.Bb6 Rg8 42.Rb1 Rg4 43.Rh1 Rdd4 44.Bd4 Rd4 45.a5 Ke5 46.Kg3 c5 47.Re1 Kd6 48.Rb1 Kc6 (better is 48...Rg4!? 49.Kh3 Rb4-+) 49.Rb6+= Kc7 50.Rf6 c4 51.Rf7 Kc6 52.Rf4 (52.Rf6 Kb5 53.Rf5 Kb4 54.Rf7-+) 52...Rf4-+ 53.Kf4 Kb5 54.Ke4 (54.Ke3 Ka5 55.f4-+) 54...Ka5 (better is 54...Kb4 55.Ke3 c3 56.f3-+) 55.Kd4?? (55.f4 c3 56.Kd3 Kb4-+) 55...Kb5 (better is 55...Kb4-+) 56.Kc3?? (better is 56.f4-+) 56...Kc5 57.f3 b5 0–1. bblchess (1620) – kupovgeorge (1640), gameknot.com, 2014.

6.h3 Qe7 7.Nc3 a6 (7...d5 8.e3=+) 8.e3= d5 9.Be2 Bd7 10.Rb1 0-0-0 (10...0-0 11.0-0=+) 11.0-0= g5 12.a3 (12.Na4 Rhg8=) 12...Bd6=+ 13.Re1 g4 (13...Rhg8!?=+) 14.hg4= Bg4 15.Nd4 Rhg8 (15...Be2 16.Nc6 Bd1 17.Ne7 Be7 18.Red1=) 16.Nc6 bc6 17.Ba6?? (17.Nd5!? cd5 18.Bf6 Be2 19.Be7 Bd1 A) 20.Bd8? Bf3 (20...Bc2?! 21.Rb2 Be4 22.f3 Bf3 23.d3=) 21.g3 Rd8-+; B) 20.Bd6 Bc2 21.Rbc1 Rd6 22.Rc2+=) 17...Kd7= 18.Be2 (18.f3 Bh3 19.Re2-+) 18...Rg6 (18...Bh3 19.Bf3 Rg2 20.Bg2 Rg8-+) 19.Bg4 (19.Nd5!? cd5 20.Bf6 Be2 21.Be7+=) 19...Ng4= 20.f3?? (better 20.Qf3 Qh4 21.Nd1-/+ (21.Qf7?? Kc8 22.Qf5 Rd7-+)) 20...Qh4 21.fg4 (21.Ne4 de4 22.fg4 Bg3 23.Qf3 ef3 24.d3 Qh2 25.Kf1 Qg2) 21...Rf6 22.Qf3 Rf3 23.gf3 Qh2 24.Kf1 Bg3 25.Nd1 h5 (25...Qh1 26.Ke2 Qe1 27.Kd3 Qf1 28.Kd4 Qc4) 26.Bf6 h4 (26...h4 27.Bh4 Bh4 28.Rb7 c5 29.f4 c4 30.Rc7 Kc7 31.f5 Qh1 32.Ke2 Qe1 33.Kf3 Qf1 34.Nf2 Qf2) 0-1. Batkoski,Nenad (1845) - Terziev,Dimo (2040), 20th ch-EUR Indiv, 2019.

6.a3 Ba5

7.g3 0-0 8.Bg2 Re8 9.0-0 Bf5 10.Nc3 Qd7 11.Nh4 Bh3 12.e3 Bg2 13.Ng2 g5 14.Nb5 Ne5 15.Nd4 Qh3 16.f3 Nfg4?? 17.fg4+- Ng4 18.Nf3 Re6 19.Qe2 Rh6 20.Nge1 Re8 21.Ng5 Qh2 22.Qh2 Rh2 23.Rf7 Bd2 24.Rg7 Kf8 25.Nh7 Rh7 26.Rh7 Re3 27.Rh8 Kf7 28.Rh7 Ke6?? 29.Ng2 Rg3 30.Bd4 c5 31.Rd1 cd4? 32.Rd2+- Ra3 33.Nf4 Kf5 34.Nd3 Ra1 35.Kg2 Ne3 36.Kf3 b5 37.Rh5 Ke6 38.Rb5 a5 39.Re2 a4 40.Re3 de3 41.Ke3 a3 42.Ra5 a2 43.Kd2 d5 44.Nb4 Rb1 45.Ra6 Ke5 46.Na2 Ra1 47.Nb4 Rb1 48.Nd3 Kf5 49.Ra5 Ke4 50.Ra4 Kf5 51.Rd4 Rb5 52.Ke3 Ke6 53.c3 Kd7 54.Nb4 Ke6 55.Kf4 Rc5 56.Rd3 Rc4+/– 57.Kg5 Ke5?? 58.Nd5+- Ke4 59.Rd1 Rc5+/– 60.Rd4 Ke5 61.Nf6 Rc3 62.Re4 Kd6 63.Kf4 Rh3 64.Kg4 Rd3 65.Kf4 Rd1 66.Ng4 Rf1 67.Kg3 ½–½. mic (2230) – hrente (2325), net–chess.com, 2009.

7.e3 0-0

8.Qe2 a6 9.Qc4 Be6 10.Qh4 Bf5 11.Bf6+= Qf6 12.Qf6 gf6 13.Ra2 Be4 14.Rb2 Ne5 15.Nd4 Rfe8 16.f3 Bd5 17.e4 b6 18.Nc3 Be6 19.Be2 b5 20.0-0?? Bb6-+ 21.Rb4 Nc6 22.Bb5 ab5 23.Nce2 Ra3 24.Rfb1 Bc5 (25.c3 Nb4 26.cb4 Bb6-+) 0–1. Comet B25 – Comet B50, 2004.

8.Be2 Nd7 9.Nc3= Nde5 10.0-0 Be6 11.Ne5 Ne5 12.f4 +=.

8.Be2 Re8 9.0-0 Be6 10.Bb5 Rb8 11.Ng5 Bf5=+ 12.d3 =.

8.Be2 Re8 9.0-0 h6 10.d3 Bg4 11.Nbd2 (11.c4 Qe7=) 11...Bh5 (11...Nd5 12.Rb1=) 12.Nc4 (12.Rb1 Bb6=) 12...Bb6 13.Nb6 (13.a4 d5 14.Nb6 ab6=) 13...ab6 14.h3 Qe7 15.Qd2 (15.c4 Ne5=) 15...Qe6 16.Rfe1 (16.c4 Ra7=) 16...Ra5 (16...Ra7 17.c4=) 17.c4 Rd8 (17...Ra7 18.Rab1=) 18.e4 (18.Nd4 Nd4 19.ed4 Be2 20.Re2 Qf5+=) 18...Rda8 19.Nh4 (19.Qf4 Ne5 20.Nd4 Qe8+=) 19...Be2= 20.Qe2 (20.Re2 b5 21.cb5 Rb5=) 20...b5 21.Nf5 (21.cb5 Rb5 22.Nf5 Rb6+=) 21...bc4 22.d4? (better is 22.dc4 Ne5 23.f4=) 22...Qd7?? (better is 22...d5!? 23.Ng3 de4-+) 23.Qc4 (23.d5!? Ne5 24.f4 Ne4 25.Qe4+/–) 23...Ne7 (23...d5!? 24.ed5 Nd5+=) 24.Ne7= Qe7 25.Qd3 (25.d5 Ra4 26.Qb3 Nd7+=) 25...Qd7 (25...d5!? 26.ed5 Qd7=) 26.d5+= Qb5 (26...Qe7 27.Rac1+=) 27.Qd2 (27.Qb5 Rb5 28.Bf6 gf6+/–) 27...Nd7 (27...Ne8 28.Rab1 Qd7 29.Bc3+=) 28.Re3 (28.Rab1 Qa6+/–) 28...Ne5 (28...f6 29.Rg3 Kh7 30.Qc2+/–) 29.Rg3 Kf8 (29...g5 30.Qc3 Qb6 31.Qc2+/–) 30.Rc1 (30.Be5 de5 31.Qc3 Qd7 32.Qe5 f6+/–) 30...Qd7 (better is 30...Ra4!?+/–) 31.f4+- Ng6 32.Qc3 Ke8 33.Qg7 (33.Qc7?! Nf4 34.Re3 f6+=) 33...Nf4?? (33...Rc8+-) 34.Qh8 1–0. Stolzenwald,Karl_Heinz – Krause,Holger, VMCG Morning Tournament, 2015.

6.e3 Bf5

7.Be2 0-0 8.0-0 Re8 9.d3 Ba5 10.Nbd2 (better 10.e4=) 10...Ne5 (10...Nd5!?=+) 11.Rb1 (11.Ne5!? de5 12.Nc4+/-) 11...Bb6 12.Ne1 (12.Ne5 de5 13.e4 Bc8+=) 12...Bg6 (12...Qe7 13.Nef3=) 13.h3 Nd5 14.c4 Ne3 (14...Nf6!?=) 15.fe3+/- Be3 16.Kh1 Qg5 (16...Bd2!? 17.Qd2 Nc4+/-) 17.Ndf3+- Qg3 18.Ne5 (18.Bc3 Rab8+-) 18...de5 19.Rf3 (19.Bc1!? Bc1 20.Qc1 b6+/-) 19...Qg5+/- 20.Bc1 Bc1 21.Qc1 Qh4? Black intends e4 (21...Qc1 22.Rc1 f6 23.Kg1+/-) 22.Rf1 (22.Rb7 e4 23.Re3 Qf6+-) 22...e4 (22...b6+/-) 23.Qf4 (better 23.Rb7 c5 24.de4 Be4 25.Rb3+-) 23...Qf4+= 24.Rf4 ed3 (24...Rad8 A) worse 25.Rb7 ed3 26.Bd3 Re1 (worse 26...Bd3 27.Nd3 Rd3 28.Rc7+=) 27.Rf1 Rf1 28.Bf1 Kf8=+; B) 25.de4 Be4 26.Rb2+=) 25.Bd3+/- Re1 (25...Bd3!? 26.Nd3 Rad8+/-) 26.Re1+- Bd3 27.Re7 Bg6 28.Rd4 a6 (better 28...c5 29.Rd2 b6 30.Ra7 Re8+-) 29.g4?? (29.Rc7!? b5 30.c5 Kf8+-) 29...b5 (better 29...c5!? 30.Rdd7 h6+=) 30.c5+/- c6 31.h4 (31.Rc7!?+/-) 31...h6 32.h5 (32.Kg1 Bb1 33.Rd2+/-) 32...Bh7 (better 32...Bb1!? 33.Rd2 f5+=) 33.Rdd7+/- Rf8 34.Rc7 (better 34.Ra7+/-) 34...Rd8? (better 34...Bd3 35.Rc6 Bc4+/-) 35.Rf7+- Be4 (35...Bb1 36.Rg7 Kf8 37.g5+-) 36.Kh2 Rd2 (36...g5 37.hg6! b4 38.Rg7 Kh8 39.Kg3+-) 37.Kg3 Rg2 (37...Rd3 38.Kh4 Kh8 39.Rg7+-) 38.Kh3 Rd2 (38...Re2 39.Rg7 Kf8+-) 39.Rg7 Kh8 (39...Kf8 40.Rcf7 Ke8 41.Ra7+-) 40.Rge7 Rd3 (40...Bg2 41.Kg3 Bd5 42.Re8 Bg8 43.Rc6+-) 41.Kh4 Bh7 42.Rh7 Kg8 43.Rhd7 (43.g5 Rd4 44.Kg3 Rg4 45.Kg4 hg5 46.Rhd7 b4 47.Rc8) 43...Rh3 44.Kh3 (44.Kh3 b4 45.Rc8) 1-0. bjoernsen (2320) - Snappppp (2310), Rated Blitz game, lichess.org, 2016.

7.Be2 0-0 8.0-0 h6 9.a3 Ba5 A) 10.Nc3 Qd7 (10...Re8 11.Nh4 Be6 12.Nf3 Qd7 13.h3 Bf5 14.Rb1 Bb6; 10...d5 11.h3 Re8 12.Bd3 Ne4 13.Nb5 a6 14.Nbd4 Nd4) 11.h3 Rfe8 12.Rb1 a6 13.Nh4 Bh7 14.Nf3 b5; B) 10.h3 Re8 (10...d5 11.Bd3 Ne4 12.Nc3 a6 13.Qb1 Qd7 14.Rd1 Rfe8; 10...a6 11.Nc3 Re8 12.Bd3 Qd7 13.Rb1 Bd3 14.cd3 Ne5; 10...Qe7 11.Nc3 d5 12.Bd3 Qd7 13.Bf5 Qf5 14.Nb5 Rfe8) 11.Nc3 d5 12.Rb1 a6 13.Na4 b6 14.Bd3 Ne4; C) 10.d4 Ne7 (10...Re8 11.Nc3 Bc3 12.Bc3 Ne4 13.Qe1 Qf6 14.Rb1 b6) 11.Nh4 Be6 12.Nf3 c6 13.c4 Qb6 14.Nc3 Bf5; D) 10.Bd3 Ne4 11.Nc3 d5 12.Qe2 Re8 13.h3 Re6 14.Bb5 Bc3.

7.Be2 0-0 8.0-0 h6 9.c3 A) 9...Bc5 10.c4 (10.d4 Bb6 11.Nbd2 Qd7 12.h3 Rfe8 13.Nh4 Bh7 14.Nhf3 Rad8) 10...Nb4 (10...Qe7 11.Nc3 a5 12.d4 Bb6 13.h3 Rfe8 14.Bd3 Bd3; 10...Ne4 11.d3 Nf6 12.Qb3 a6 13.Nc3 Na5 14.Qd1 Re8) 11.d4 Bb6 12.Nc3 Re8 13.a3 Nc6 14.Nh4 Bh7; B) 9...Ba5 B1) 10.Na3 Re8 (10...Qd7 11.Nc4 Bb6 12.a4 d5 13.Nce5 Qe6 14.c4 Rfd8; 10...Bb6 11.Nb5 Qe7 12.h3 Be4 13.d3 Bf5 14.e4 Bd7; 10...Qe7 11.Nc4 Bb6 12.a4 Rad8 13.Nd4 Bd4 14.cd4 Be6) 11.Nc4 Bb6 12.Nd4 Bd4 13.ed4 Nd5 14.Bf3 Nf4; B2) 10.d4 Rb8 (10...Re8 11.Nbd2 Qd7 12.h3 Bb6 13.Nh4 Bh7 14.Nhf3 Rad8) 11.Nbd2 b5 12.Qb3 Qd7 13.d5 Ne5 14.Qa3 Nf3.

7.Be2 0-0 8.0-0 h6 9.d3 Re8 (9...d5 10.Nbd2 a6 11.c4 Re8 12.Qb3 Bd2 13.Nd2 dc4 14.Nc4 b5) 10.Nbd2 (10.e4 Bd7 (10...Bg4 11.Nbd2 Qe7 12.h3 Be6 13.Nb3 a5 14.a3 a4; 10...Qe7 11.Nc3 Bg4 12.h3 Bf3 13.Bf3 Nd4 14.Na4 Qe5; 10...Be6 11.a3 Ba5 12.Nc3 Qd7 13.Rb1 Bb6 14.Na4 Qe7) 11.Nc3 Qe7 12.Nb5 Ba5 13.c4 a6 14.Nc3 Ne5; 10.a3 Ba5 11.e4 Be6 12.Nc3 d5 13.e5 d4 14.Nb5 Nd7) 10...d5 (10...Nd5 11.Nb1= (11.Ne4 Qe7 12.c4 Be4 13.de4 Nc3 14.Bc3 Bc3) 11...Qe7 12.a3 Ba5 13.c4 Nf4 14.Nc3 Qf6) 11.Rb1 (11.c3 Bc5 12.Nb3 Bd6 13.Nbd4 Nd4 14.cd4 b5) 11...b6 (11...Rb8 12.c4 Bd2 13.cd5 Be3 14.Bf6 Qd5) 12.Nb3 (12.c4 Bf8+= (12...dc4 13.Nc4 Nd5 14.e4 Nf4) 13.Bf6 gf6 14.cd5 Qd5) 12...Bd6 '=' (12...Qe7 13.h3 Bd7 14.c3 Bd6) 13.Nbd4 (13.Qd2 Ng4 14.Bc3 Qe7) 13...Nd4 14.Nd4 Bg6 (14...Bd7=+) 15.Bf3 Qd7 16.Ne2 Be5 17.d4 (17.Be5!? Re5 18.Nf4=) 17...Bd6 '=/+' 18.Rc1 Be4 (18...Qb5 19.Ba1=+) 19.Ng3 (19.Be4!? Re4 20.c4=+) 19...Bf3 '-/+' 20.Qf3 b5 (20...Bg3 21.hg3 b5 22.Bc3=+) 21.Nf5 Kh7 22.Rb1 c6 23.Bc3 (23.Nd6 Qd6 24.Qe2 Re6=) 23...a5 24.Rfd1 (24.Nd6 Qd6 25.Rfc1 Qd7=+) 24...Ne4 25.Nd6 Qd6 (25...Nd6 26.Qh5-/+) 26.Ba1 (26.Be1!?=) 26...Re6 27.Qe2 Rf6 (27...Qe7 28.a4 ba4 29.c4=+) 28.Rf1 (28.f3 Ng5=) 28...Re8 (28...Qe7 29.a4 ba4 30.f3=+) 29.Qd3 Rg6 30.f3 Ng5 31.Bc3 a4 32.Be1 Qe7 (32...Kg8 33.Bg3 Qd7 34.Ra1=) 33.Bd2 (better 33.h4 Kg8 34.hg5 Qg5 35.Qd2+-) 33...Nh3 '=/+' 34.Kh1 Qg5 35.g3 ½–½. Hoelldorfer,August (1630) – Baumann,Walter (1780), Bayern–ch Seniors, 1996.

7.Be2 d5 8.0-0 =.

7.Be2 Qe7 8.0-0 d5 (8...0-0 9.a3 Bc5 10.d4=) 9.c4 (9.a3 Bd6=) 9...dc4 10.Bc4 0-0 11.Nc3 Rad8 12.d4 Ba3 (12...Rfe8 13.Qb3=+) 13.Ba3= Qa3 14.Rc1 Rfe8 15.Qb3 Qb3 16.Bb3 Na5 (16...Bg4 17.Ng5 Rd7 18.f3+=) 17.Bc2 Bc2 18.Rc2 Nc6 (18...Nc4 19.Nb5 c6 20.Na7+=) 19.Rb1+= Rb8 20.Kf1 Kf8 21.Rcb2 Nd8 22.d5 (22.Nb5 Ne6 23.Na7 Nd8+-) 22...a6 23.Nd4 Re5 24.Rc2 Rh5 25.e4 (better 25.h3!?+=) 25...Rh2=+ 26.Kg1 Rh5 (26...Ng4 27.f3+-) 27.f4= Ne4 (27...Rh4!? 28.g3 Rg4=) 28.Ne4+= White fights for the Initiative 28...Rd5 29.Nc6 (29.Rd1 Nc6 30.Rcd2 Nd4 31.Rd4 Rd4 32.Rd4 Ke8+-) 29...Nc6= 30.Rc6 Re8 (30...bc6 Exploits the pin 31.Rb8) 31.Rc4 b5 32.Nc3 Rd7 33.Rc6 Re6 (33...Re3 34.Kf2 Red3 35.g4=) 34.Re6+= fe6 35.Ne4 Ke7 36.Re1 Rd4 37.Nc5 Rf4 (37...Kd6 38.Ne6 Ra4 39.Re2+-) 38.Re6 Kf7 (38...Kf8 39.Rc6 (39.Na6?! Rc4+-) 39...Rf7 40.Na6+- (40.Ra6?! Ke7+-)) 39.Ra6 (39.Rc6 a5+-) 39...Rc4 (39...b4 40.Rc6+-) 40.Nd3 (40.Rc6 Rc1 41.Kh2 b4+-) 40...Ra4 (40...Ke7 41.Ne5 Rc1 42.Kf2+-) 41.Ra4 ba4 42.Nb2 Ke6 43.Na4 Kd5 44.Nc3 Kc4 45.a4 Kb4 1–0. Dutschak,Hauke – Klenk,Robert, FRG–chT U18 Germany, 1989.

7.Be2 Qe7 8.0-0 d5 9.d4 Bd6 (9...0-0 10.c4=) 10.Nbd2 Nb4 11.c4 b6 12.Ne5 Be5 13.de5 Nd7 14.Nf3 (14.cd5 Bc2 15.Qc1 Bd3+-) 14...Be4? (14...dc4 15.Bc4 Rd8 16.Nd4 Ne5 17.Nf5 Rd1 18.Ne7 Nc4 19.Bg7 (worse 19.Rad1 Nb2 20.Rd2 Nc4+=) 19...Ra1 A) 20.Ba1?! Rf8 (worse 20...Ke7 21.Bh8 c5 22.Ra1+-) 21.Nf5 Na2=; B) 20.Ra1 Ke7 21.Bh8+-) 15.cd5 (better 15.a3 Nc2 16.Rc1 dc4 17.Rc2 Bc2 18.Qc2+-) 15...Bd5?? (15...Nd5 16.Nd2 Bg6 17.Rc1+=) 16.Bc3?? (better 16.a3 c6 17.ab4 Qb4 18.Ba3+-) 16...Bb7 17.Qb1 Nc6 e5 seems the pivot of the position 18.Qb2 (18.Rd1 Rd8+=) 18...0-0-0 (18...0-0!?=) 19.a4+- a5 20.Rfd1 Qe6 21.Rac1 Rhe8 The pressure on e5 grows (21...Nc5!?+=) 22.Qc2+- f6 23.ef6 Nf6 24.Bf6 (24.Rd8 Rd8 25.Bf6 gf6+-) 24...Qf6? (better 24...Rd1 25.Qd1 Qf6+-) 25.Nd4!+- (25.Qh7?! Rd1 26.Rd1 Nb4+-) 25...Rd6 (25...Nd4 A pinning theme 26.Qc7 A classical mating theme) 26.Bf3 (better 26.Bg4 Kb8 27.Bf3+-) 26...Kd7 (26...Red8 27.Nc6 (27.Bc6?! Bc6 28.Rf1 Kb7+-) 27...Rd1 28.Bd1 Rd1 29.Qd1 Bc6 30.Qc2+-) 27.Nb5 (better 27.Nc6 Rc8 28.Bg4 Ke8 29.Qe4 Kf8 30.Rd6 Qd6 31.Bc8 Bc8 32.Qh7+-) 27...Rd1 28.Rd1 Kc8 (28...Ke7 29.Nc7 Nb4 30.Qd2+-) 29.Rc1 (29.Bc6 Re7 30.Bb7 Kb7 31.Qh7 g6+-) 29...Rd8 (29...Re5 30.Na7!! Kb8 31.Nc6 (31.Bc6 Ka7 32.Bb5 Rg5-+) 31...Bc6 32.Qc6 (32.Bc6?! Rc5 33.Qb1 Qc6=) 32...Qc6 33.Bc6+-) 30.Na7!! Kb8 (30...Na7 Exploits the pin 31.Qc7 Theme: Double Attack) 31.Nc6 (31.Bc6?! Ka7 32.Bb7 Kb7 33.Qc7 Ka8+-) 31...Bc6 32.Bc6 (worse 32.Qc6 Qc6 33.Bc6 Kc8+-) 32...Qd6 (32...g5 33.Be4 (33.Qh7?! Qc6 34.Ra1 Qa4+=) 33...Rd7 34.Bh7+-) 33.Bf3 (33.Bf3 g5 34.Qe4+-) 1–0. Del Val,J – Staeheli,M, Leukerbad, 1992.

6.e3 Bg4

7.Bb5 0-0 8.0-0 Ne5 (8...a6 9.Be2=+) 9.Be2= Nf3 (9...Re8 10.a3 Ba5 11.Ne5 Be2 12.Qe2 de5 13.f4 ef4 14.Rf4=) 10.Bf3 Bf3 (10...Bf5=) 11.gf3 (11.Qf3!? d5 12.a3=) 11...Nd7 (11...Nd5 12.Kh1=+) 12.Kh1 Ne5 (12...d5 13.Rg1 g6 14.f4=+) 13.Rg1= f6 (13...Qd7 14.f4 Qc6 15.f3=+) 14.f4 Ng6 (14...Nc4 15.Bc3 Bc3 16.Nc3=) 15.Nc3 (15.f5 Ne5=) 15...Qd7 (15...d5 16.Qh5 f5 17.a3=) 16.Qf3 (16.Nd5 Ba5 17.Qh5 f5= (17...Bd2? 18.Rad1+-)) 16...c6 (16...Qc6 17.Nd5 Kh8 18.Rg6 hg6 19.e4+-) 17.Rg3 (17.a3 Bc3 18.Bc3 Qf5=) 17...Nh4 (17...Qf5 18.Rag1 Qc2 19.f5 Qb2 20.fg6=) 18.Qh5 (18.Qe4 Bc3 19.Bc3 Rae8=) 18...Nf5 19.Rh3 g6 20.Rg1 Qg7 (20...d5 21.e4 Qg7 22.Qg4 Bc3 23.Bc3 de4 24.Rh5+=) 21.Qe2 (better 21.Qg4 Rae8 22.Rh5 Bc3 23.Bc3+-) 21...Rfe8?? (better 21...d5=+) 22.Qc4+- Kh8 (22...Qf7 23.Qb4 a5+-) 23.Ne4 (better 23.Qb4 b5 24.Ne2+-) 23...d5= 24.Nf6?? (better 24.Qb4 Re4 25.Qb3=) 24...dc4-+ 25.Rh7 (25.Rb1 c3! 26.dc3 Be7 27.Nh7 Qh7 28.c4 Kg8 29.Rh7 Kh7-+) 25...Qh7 26.Ne8 (26.Nh7 Kh7 27.d4-+) 26...Ng7 (better 26...c3 27.dc3 Ba3-+) 27.Bg7-/+ Qg7 28.Ng7 Kg7 29.f5 (29.Rb1 a5 30.c3 Be7 31.Rb7 Kf7-/+) 29...Bd2 (29...Kf6!? 30.Rg6 Kf5 31.Rg7-+) 30.Rg6-/+ Kf7 31.Kg2 (31.Rd6 Ba5 32.Kg2 Bb6-/+) 31...Re8 (31...Rd8 32.Rg4-+) 32.Kf3 (32.Rd6!? Bc3 33.Rd7 Re7 34.Re7 Ke7 35.Kf3-/+) 32...Re5 33.e4 Ra5 34.h4 (34.Rd6 Bc3 35.Rd7 Ke8 36.Rb7 Ra2-+) 34...Ra2 (34...Bc3 35.a4 Ra4 36.Rd6-+) 35.e5 Bc3 (35...Rc2 36.e6 Kf8 37.f6+-) 36.e6 Ke7 37.Rh6 a5 (better 37...b5!? 38.Rh7 Ke8-/+) 38.Rh7=+ Ke8 39.Rb7 Rc2 (better 39...Rb2 40.Ra7 Bd4 41.Ra5 Rc2=+) 40.Rc7 (better 40.Rb8 Ke7 41.Rb7 Kf8 42.Rb8 Ke7 43.Rb7 Kd8 44.Rb8 Ke7=) 40...a4-+ 41.Rc6 (41.Rc8 Ke7 42.Rc7 Kd8 43.Rc6 a3-/+) 41...a3-/+ 42.Rc4?? (42.Rc8 Ke7 43.Ra8-+) 42...a2-+ 43.Ra4 (43.Rc8 Ke7 44.Rc7 Kd8-+) 43...a1Q 44.Ra1 Ba1 45.h5 (45.Kg3 Bf6-+) 45...Rc4 46.Kg3 (46.h6 Ke7-+) 46…Be5 (46...Be5 47.Kh3 Rf4-+) 0–1. Heyar,F (1625) – Daubenfeld,Gilles (2560), 1996.

7.Bb5 a6 8.Be2 =+.

7.Be2 a6 8.a3 Ba5 9.0-0 0-0 10.Nc3 Re8 11.d4 d5 12.Na4 (12.h3 Bf5+=) 12...Ne4 13.Nd2?? (13.Nc5 b5 14.a4-/+) 13...Be2-+ (13...Bd2?! 14.Bg4 Qg5 15.Bd7=; 13...Nd2?! 14.Bg4 Qf6 15.Nc5-/+) 14.Qe2 Nd2 0–1. Gazik,Jakub – Misiuk,Ernest (1640), World Youth Chess Championships, 2014.

7.Be2 a6 8.c4 Bf3 (8...0-0 9.0-0=) 9.Bf3+= Ne5?? (better is 9...0-0+=) 10.Be5+- de5 11.Qa4 Nd7 (11...c6 12.Qb4 e4 13.Be2+-) 12.Qb4 Rb8 13.0-0 c5 14.Qb2 h5 15.d4 Rh6 16.de5 Rg6 17.Rd1 Qg5 18.Be4 f5 19.ef6 Rf6 20.Nc3 Ne5 21.f4 Nf3 22.Bf3 Qh6 23.Rd5 h4 24.Rh5 Qg6 25.Rh4 Qd3 26.Rh8 Rf8 27.Bh5 Ke7 28.Nd5 Kd6 29.Qb6 Kd7 30.Bg4 Ke8 31.Qe6 Kd8 32.Rf8# 1–0. Morphystyle – easydigital, ChessWorld.net, 2005.

7.Be2 a6 8.h3 Bf5=.

7.Be2 d5 8.h3 Bh5 9.Bb5 =.

7.Be2 0-0

8.0-0 Qd7 9.c4 (9.Bf6 gf6 10.d4 d5+=) 9...Qf5 10.Nc3 Qg6 11.Qb1 Bf5 12.d3 Bh3 13.Ne1 (13.Nh4!? Qh6 14.Nd5 Nd5 15.cd5 Qh4 16.dc6+=) 13...Ne5 14.d4 Bf5 15.e4 (better 15.Qd1!? Nc6 16.Qb3=) 15...Ne4-/+ 16.Nd5 Nd2?? (16...Rae8 17.Qd1 Be1 18.Qe1 Nc6 19.Nc7 Rc8=) 17.Ne7+- Kh8 18.Ng6 (18.Qf5?! Qf5 19.Nf5 Nec4 20.Bc4 Nc4+-) 18...Bg6 19.Qd1 Nd7 (19...Nc6 20.d5 Ne5 21.Nc2+-) 20.Qa4 c5 (20...Rfe8 21.Bf3 Re1 22.Rfe1 Nf3 23.gf3 Be1 24.Re1+-) 21.a3 (better 21.Qd7 Rfe8 22.Bd3 Rad8 23.Qb7 Rb8 24.Qa7 Nf1 25.Bg6 hg6+-) 21...Nb6 22.Qb5 (22.ab4?! Na4 23.Ra4 cb4 24.Rb4 Rfe8+-) 22...Ba3 (22...Rae8 23.ab4 Re2+-) 23.Ra3 cd4 (23...Rae8 24.Re3 f6 25.dc5 dc5 26.Ba3 Re3 27.fe3 Nf1 28.Kf1+-) 24.Qb4 (24.Ra7! Ra7 25.Qb6 Ra2 26.Qd4 Rb2 27.Qb2 Nf1 28.Kf1 Be4+-) 24...Nf1 25.Kf1 Rfd8 (25...Be4 26.f3 d3 27.Nd3+-) 26.Bd4 Nc8 (26...Be4 27.Bb6 ab6 28.Ra8 Ra8 29.Qd6+-) 27.Qc3 (better 27.Qb7 Nb6 28.Bb6 Rab8 29.Qa7 Re8+-) 27...f6 28.Bf6! Rg8 (28...gf6 29.Qf6 Double attack (29.Qf3 Decoy)) 29.Bd4 b6 (29...Rb8 30.Ba7 Na7 31.Ra7+-) 30.Qh3 (better 30.Bf3 Rb8 31.Bd5 a5+-) 30...Ne7 31.Bd3 Rae8 (31...Bd3 32.Qd3 Rgf8+-) 32.Bg6 Ng6 33.Nf3 Rgf8 34.Qh6 (34.Ng5 Nh4 35.Qh4 Re1 36.Ke1 Re8 37.Kd2 Re2 38.Ke2 Kg8 39.Qh7 Kf8 40.Qh8 Ke7 41.Ra7) 34...Rf7 (34...Ne5 35.Qd6 Nf3 36.Rf3 Rf3 37.gf3 Rg8+-) 35.Ng5 Nf8 36.Nf7 Kg8 37.Qg7 1–0. Schellen,Sven – Tischer,Marcel, Karl Mala Memorial op, 2009.

8.0-0 Re8 9.c3 Ba5 10.h3 (10.d3 Qe7=) 10...Bf5 11.d4 Qd7 (11...Qe7 12.Bb5=) 12.Nbd2 Ne4 (12...d5 13.Qb3=) 13.Ne4 Be4 14.Nd2 Bg6 15.Nb3 Bb6 16.c4 a5 (16...Qf5!?=) 17.c5+/- dc5 18.dc5 (worse 18.Nc5 Bc5 19.dc5 Qe7=) 18...Qd1 19.Rfd1 Rad8?? (better 19...Ba7 20.Bb5 Red8+/-) 20.cb6+- 1-0. TheWelshKnight (2390) - kaalmakreel (2105), ChessWorld.net, 2011.

8.0-0 Re8 9.Nc3 Ne5 10.Ne5 Be2 11.Ne2 (11.Nf7 Bd1 12.Nd8 Bc2-+) 11...de5=+ 12.d3 Re6 (12...Qd6 13.a3 Bc5 14.d4 ed4 15.Nd4=) 13.a3 Ba5 (13...Bc5 14.d4 Rd6 15.Qb1 ed4 16.Bd4 Bd4 17.Nd4=) 14.Ng3 c5 15.e4 Qb6 16.Rb1 Qd6 17.Nf5+= Qd8 18.Qf3 Nd7 19.Qg3 Rg6 20.Qh4 Qe8?? 21.f4?? Bd8+/– 22.Qf2 Bb6+= 23.Qf3 c4 24.d4 ed4 25.Bd4 Bd4 26.Nd4 Nc5 27.e5 b6 28.f5 Rg5? 29.h4+- Rg2 30.Kg2 Rd8 31.Rbd1 h6 32.e6 f6 33.Rfe1 a6 34.e7 Rd7 35.Qc6 Qf7 36.Qd7! (36.Qd7 Nd7 37.e8Q Nf8 38.Qc6+-) 1–0. Tanuki – IroniteNC, internet, 2005.

8.0-0 Re8 9.d3 Ne5 10.Nbd2 Bd2 11.Ne5 (11.Nd2 Be2 12.Qe2 Qe7=) 11...Be2=+ (11...de5?! 12.Bg4 Ng4 13.Qg4=; worse 11...Re5 12.Be5 (12.Qd2?! Be2 13.Qe2 Re6=) 12...Be2 13.Qe2 (13.Qd2?! Bf1 14.Bf6 Qf6 15.Rf1 Qb2=) 13...de5 14.Qd2+-) 12.Qe2 de5 (12...Be3!? 13.Qe3 de5=+) 13.Qd2= b6 14.f3 c5 15.c4 (15.e4=) 15...e4 (better 15...Qd6!?=+) 16.Bf6+/- gf6 (16...Qf6 17.fe4 Qg6 18.Rad1+/-) 17.fe4 Re4 18.Rf5 (18.Qe2 Re6+/-) 18...Re5 (18...Rc4! 19.Raf1 Ra4+=) 19.Raf1+/- Rf5 20.Rf5 Qd6 21.Rd5 Qe6 22.e4 Re8 23.Qh6 Qg4 (23...f5 24.Qg5 Qg6 25.Qf5 Qf5 26.Rf5+/- (26.ef5?! Re1 27.Kf2 Ra1+=)) 24.Qf6+- Qd1 25.Kf2 Qd2 26.Kf3 Qd1 (26...h6+-) 27.Kg3 Qe1 28.Kh3 Qe3 29.g3 h6 (29...Rb8+-) 30.Rh5 (better 30.Rf5 Rf8 31.Rf4 Qf4 32.gf4+-) 30...Re6 (30...Qd3 31.Rh6 Qf1 32.Qf1 Re6 33.Re6 fe6 34.Qf6 e5 35.g4 a6 36.g5 b5 37.g6 bc4 38.Qf7 Kh8 39.Qf8) 31.Qd8 Kg7 32.Rh4 (better 32.Rf5!? Qd4 33.Qd4 cd4 34.Rd5+-) 32...Qe2 33.Rg4 Rg6 34.Rg6 (better 34.Rf4!?+/-) 34...Kg6+= 35.Qg8 (35.a3 Qf1 36.Kh4 Qe2 37.Qd6 f6=) 35...Kf6= 36.Qg4 Qd3 37.Kh4 (better 37.Qf4 Ke7 38.e5=) 37...Qc4?? (better 37...Ke7 38.e5 Qd2=+) 38.e5!+- Ke7 (38...Ke5 39.Qc4 Discovered attack) 39.Qc4 1-0. foytik (2295) - viktor_borsdorf (2105), Rated Classical game, lichess.org, 2016.

8.a3 Ba5 9.0-0 Nd7 10.d4 d5 11.c4 Ne7 (11...dc4 12.Bc4 Nb6 13.Bd3=) 12.h3 Bh5 13.Qb3 c6 (13...dc4 A) < 14.Qb7 Rb8 15.Qa6 Rb2 16.Qa5 c5-/+ (< 16...Re2 17.Qh5 Rb2 18.Nbd2+/–); B) 14.Bc4?! Bf3 15.gf3 Nb6=; C) 14.Qb5 Bf3 15.Bf3+=) 14.Bc3 (14.Qb7? Rb8 15.Qa7 Rb2-+) 14...Bc3 15.Nc3 dc4 (15...Qb6 16.Rfb1 Bg6 17.Rb2+=) 16.Qc4 Nb6 17.Qc5 Ned5 18.Nd5 Qd5 19.Rfc1 Qc5 20.Rc5 Bf3 21.Bf3 f5 22.g3 Nd7 23.Rc2 Nf6 24.Rb1+- Rab8 25.Rcb2 b6 26.Bc6 Rfc8 27.Bf3 Ne4 28.Kg2 Rc3+/– 29.Rb3 Rc2 30.R1b2 Rbc8 31.Be4 fe4 32.Rc2 Rc2 33.g4 Kf7 34.h4 Ke6 35.Kg3 Kd6 36.Kf4 Rf2 37.Ke4 Rc2 38.h5 Kc6 39.Ke5 Rg2 40.d5 Kd7 41.Rb4 Ra2 42.a4 Ra1 43.Rf4 Ke8 44.Kd6 a5 45.Kc6 Rb1 46.d6 Rd1 47.Rd4 Rb1 48.Kc7 Rc1 49.Kb6 Kd7 50.e4 Rb1 51.Kc5 g5 52.hg6 hg6 53.Kd5 g5 54.Ke5 Kd8 55.Kf5 Rb4 56.Ke5 Rb1= 57.Rd5 (57.Rd5 Kd7 58.Ra5+-) 1–0. Wessel,Volkmar – Nehmdahl,Heiko, Schleswig Holstein–ch, 1992.

8.a3 Ba5 9.0-0 Re8 10.c4 Bf3 (10...d5 11.Qb3=) 11.Bf3+= Ne4 (11...Rb8 12.Bf6 Qf6 13.d4+=) 12.d3 Ng5 (12...Nc5+=) 13.Nc3 (better 13.Bc6!? bc6 14.Qa4+/-) 13...Nf3= 14.Qf3 Ne5 15.Qe4 Nc6 (15...c6 16.Rab1=) 16.Qf3 Ne5 17.Qe2 c6 18.f4 Ng6 19.f5 Ne5 20.f6 gf6 (better 20...g6!?=) 21.Ne4+/- Re6 22.Qh5 Qe7 (better 22...Bb6 23.Rae1 h6+/-) 23.Nf6!+- Rf6 24.Qg5 (24.Qg5 Kh8 25.Rf6+- (25.Qf6?! Qf6 26.Rf6 Nd3+/-)) 1-0. TheWelshKnight (2335) - kaalmakreel (2180), ChessWorld.net, 2010.

7.Be2 Qd7

8.0-0 0-0-0 9.c4 Rde8 10.d4 h5 11.Qb3 d5 12.c5 Ne4 13.Nc3 Bf3 14.Bf3 Nd2 15.Qa4?? Nf1 16.Kf1 h4?? 17.h3 Bc3=+ 18.Bc3 Re7 19.Qc2 g6 20.e4?? de4-+ 21.Be4 Rhe8 22.Bd3 Nd4 23.Qb2 Ne2 24.Be2 c6 25.Bf6?? Re2-+ 26.Qa3 Qe6 27.Bc3 Qf5 28.Bd4 a6 29.Qb3 Rd2 30.Be3 Rd3 31.Qc2 Ree3 (31...Ree3 32.Kg1 Re5-+) 0–1. AbstractPoetic (1635) – thexjib, internet, 2007.

8.Bf6 gf6 9.c3 Ba5 +=.

8.h3 Be6 +=.

8.h3 Bf5 9.Bf6 gf6 10.c3 +=.

8.h3 Bh5 9.0-0 d5 10.c4 dc4= 11.Bc4 0-0-0 12.d4 Ne4 13.Be2 Rhg8 14.Nfd2 Be2= 15.Qe2 Nd2 16.Nd2 g5 17.Kh2 g4=+ 18.h4 Bd6 19.g3 Qe7 20.Rab1 Qh4-/+ 21.Kg1 Qh3 22.Rfe1 Rg5-/+ 23.Qf1 Qh6 24.Qg2 Rh5 25.Ne4 Bb4 26.Bc3 a5 27.Bb4= ab4 28.f4 Rdd5 29.Nf2 Qg6=+ 30.f5 Rdf5-/+ 31.e4 Ra5-+ 32.d5 Nd4 33.Kf1 Ra2 34.Rb4 Qa6 (35.Kg1 Nf3 36.Qf3 gf3-+) 0–1. Meyer,Frank (2035) – Koenig,Michael (1730), Wichern op 6th, 2001.

7.Be2 Qe7

8.0-0 0-0 9.a3 Ba5 10.Nc3 =.

8.0-0 0-0-0 9.c3 Ba5 10.d4 d5 11.Nbd2 (11.Ne5 Be2 (< 11...Ne5 12.de5 Be2 13.ef6 Qe3 14.fg7+-) 12.Nc6 Bd1 13.Ne7 Kd7 14.Nd5 Nd5 15.Rd1 Nb6+/–) 11...h5 12.Qa4 (12.Bb5 Ne4 13.Bc6 Nd2 14.Bb7 Kb7 15.Qd2 Bf3 16.gf3 Rd6+=) 12...Ne4= 13.Bb5 Bb6 (13...Bc3 14.Bc6 Nd2+/–) 14.Bc6+/– bc6 15.Qc6 Kb8 16.a4 Nd2 17.Nd2 Be2 18.a5+- Bf1 19.ab6 cb6 20.Ba3 Qe6 21.Qe6 fe6 22.Kf1 Rc8 23.Rc1 b5 24.Ke2 g5 25.Nf3 g4 26.Ne5 Rh7 27.Bb4 a6 28.Kd3 Ra7 29.Ba5 Rb7 30.Rf1 Rg7 31.Kd2 Kb7 32.Ra1 Rf8 33.Ke2 Rc8 34.Bb4 Kb6 35.Nd3 Rg6 36.Nf4 Rh6 37.Kd3 Rf6 38.Ra2 Rh8 39.Bd6 Rfh6 40.e4 de4 41.Ke4 Rc8 42.Bb4 Rc6 43.Ke5 Kc7 44.Nd3 Kb7 45.Nc5 Ka7 46.Ba5 Rg6 47.Re2 Ka8 48.Kf4 Ka7 49.Re5 Rf6 50.Ke3 Rh6 51.Rg5 Rh7 52.Ke4 Rf7 53.f3 gf3 54.gf3 h4 55.h3 Rf6 56.f4 Rc8 57.Rg7 Ka8 58.Nd7 (58.Nd7 Rff8 59.Nf8 Rf8 60.Rg6+-; better is 58.Bb6 Rc5 59.dc5 Rf8 60.Ra7 Kb8+-) 1–0. Labahn,Thomas (1925) – Zehner,Birte (1730), Wichern op 5th, 1999.

8.0-0 0-0-0 9.c3 Bc5 10.d4 Bb6 11.Ne5 (better is 11.Nbd2=) 11...Ne5 (better is 11...Be2 12.Nc6 Bd1 (< 12...bc6 13.Qe2 Kb7 14.a4+/–) 13.Ne7 Kd7 14.Rd1 Ke7=) 12.de5+- de5 (12...Be2!? 13.ef6 Qe3 (13...Bd1? 14.fe7 Rde8 15.Rd1+-) 14.fe3 Be3 15.Kh1 Bd1 16.fg7 Rhg8 17.Rd1 Bh6+/–) 13.Bg4 Ng4 (13...Kb8 14.Qe2+-) 14.Qg4 Qe6 (14...Qd7 15.Qg7 Qf5 16.c4+-) 15.Qe6 (15.Qe6 fe6 16.c4+-; 15.Qg7? Rdg8 16.Qh8 Rh8-+) 1–0. Bonetti,Shane – guest1289, ICC, 2002.

8.0-0 0-0-0 9.Nd4 Be2 (9...Bd7 10.a3 Ba5 11.Nc6 Bc6 12.Bd4+=) 10.Qe2 (10.Nc6 bc6 11.Qe2 Bc5+/-) 10...Nd4+= 11.Bd4 (11.ed4?? Qe2 12.c3 Ba5-+) 11...Kb8 12.Qb5 d5 13.Qa4 a6 (13...Bc5 14.Nc3=) 14.Nc3 (14.Bf6 gf6 15.a3 Bd6+=) 14...c5= 15.Bf6 gf6 (15...Qf6 16.Rab1=) 16.Rab1+= Rhg8 17.a3 (better 17.Qb3!?+=) 17...Bc3= 18.dc3 Rg6 (better 18...Qe4 19.Qe4 de4+=) 19.Qa6+- Rdg8 20.g3 h5 21.Kg2 (better 21.Rb2!? Rd8 22.Rfb1+-) 21...h4+/- 22.Rfe1 (better 22.Rfd1!?+/-) 22...hg3= 23.hg3 Qe4 (23...f5!? 24.Qb5 Rh8+=) 24.Kf1+- d4? (24...Qe7+-) 25.cd4?? (better 25.Qd6 Kc8 26.Qc5 Kb8 27.Rb4+- (worse 27.cd4 Rg3 28.Rb5 R3g5+-)) 25...Rh8+/- 26.Qd6 (26.dc5?? Rh1 27.Ke2 Qc2 28.Kf3 Qf5 29.Ke2 Re1 30.Re1 Qc2 31.Kf1 ba6-+) 26...Ka8 27.Ke2 (better 27.Rec1!? Qf3 28.Ke1 Rh1 29.Kd2 Qf2 30.Kd3 c4 31.Kc4 Qe2 32.Kb3 Rc1 33.Rc1 Qe3 34.Kb2+/-) 27...Qc2= 28.Kf3 Rh2?? (better 28...Rg5!? 29.e4 Qd3 30.Kf4 Qd2 31.Kf3 Qd3 32.Kf4 Qd2 33.Kf3 Qd3=) 29.Rf1 (29.Qd8 Ka7 30.Qb6 Ka8 31.Qb7) 29...f5?? (29...Qf5!? 30.Qf4 Qh5 31.g4 Rg4 32.Qg4 Rh3 33.Kf4 Rh4 34.Qh4 Qh4 35.Kf3 f5+=) 30.Qd8 (better 30.Qf8 Ka7 31.Qc5 Qc5 32.dc5+-) 30...Ka7 31.Qb6?? (better 31.Qa5 Kb8 32.Qc5 (32.dc5?! f4 33.Qd8 Ka7=) 32...Rf2 33.Rf2 Qb1 34.Qe5 Ka8 35.Qc7+/-) 31...Kb8 (better 31...Rb6 32.Rb6 Kb6 33.dc5 Kc5-+) 32.Qb7 1-0. alessandrocarvalhaes (2000) - mcix (2005), lichess.org, 2021.

8.0-0 d5 9.Nd4 Nd4 10.Bd4 (10.ed4?? Be2 (worse 10...Qe2 11.Re1 Qe1 12.Qe1 Kd8 13.Ba3+=) 11.Qc1 Bf1 12.Qf1 0-0-+) 10...Bd7 11.Bf3 Bd6 12.c4 c6 (12...dc4 13.Bb7 Rb8 14.Bf3=) 13.cd5+= cd5 14.Qb3 Bc6 15.Bf6 Qf6 16.Bd5?? (16.d4!?=) 16...Bh2 17.Kh2 Qe5 (17...Qd6 18.Kg1 Bd5 19.Qb2=+) 18.Kg1= Qd5 (18...Qa1?? 19.Bf7 Kf8 20.Nc3 Qf1 21.Kf1+-; 18...Bd5 19.Qb5 Ke7 20.Nc3+-) 19.Qd5 Bd5 20.Nc3 Bc4 21.Rfb1 b6 22.d4 f5 23.f3 Rc8 24.Rc1 Ke7 25.Kf2 Rhd8 26.d5 Kd6 27.e4 Ke5 28.Ke3 f4 29.Kd2 Rd6 30.Ke1 (30.Rh1 h6+=) 30...h5 31.Kf2 (31.Nb5 Rd7+=) 31...Rd7 32.g3 fg3 33.Kg3 g5 34.Kf2 Rb8 (34...Rf7 35.Nb1=) 35.Nd1 (35.Rh1 Rh8+=) 35...Bd3 (35...b5!? 36.Ne3 g4 37.fg4 Rf8 38.Ke1 Ke4 39.Nc4 bc4 40.Rc4 Kd5=+) 36.Ke3+= Bf1? (36...Ba6!?+=) 37.Rc6 (better 37.Nf2 Ba6 38.Nh3+-) 37...Re7?? (better 37...Rd6 38.Rc7 Rf8+-) 38.Nf2 Bb5 39.Rg6 (39.Nd3 Bd3 40.Rg1 Be4 41.fe4 g4 42.Rf1 Rf8 43.Rf8 h4 44.Rf5) 39...Rc8 40.Rg5 (better 40.Nd1+-) 40...Kf6? (better 40...Kd6 41.e5! Kd5 42.Rd1 Kc6 43.Rh5 Kb7+-) 41.Rh5 (41.Rf5 Kg6 42.d6 Re6 43.Rg1 Kh6 44.Rb5 Rd6+-) 41...Rc3 42.Kf4 Rg7 (42...Rf7 43.Rf5 Ke7 44.Rf7 Kf7 45.Ng4+-) 43.Ng4 Ke7 44.Ne5 (44.d6 Kd6 45.Rb5 Rf7 46.Rf5 Rf5 47.ef5 Rc4 48.Kg5 Rd4+-) 44...Be2 (44...Rc8 45.Rb1 Ba4 46.Rb4+-) 45.Rah1 a5 (45...Bb5 46.Rh7 Rh7 47.Rh7 Kd6 48.Ra7+-) 46.Rh7 Kf8 (46...Rh7 47.Rh7 Kf8 48.d6+-) 47.Rg7 (47.Rh8 Ke7 48.R1h6 Rf3 49.Nf3 Bf3 50.Kf3 Rf7 51.Ke3+-) 47...Kg7 48.d6 Rc8 49.Rh2 Bb5 50.Rb2 (50.Rb2 Bf1 51.Rb6+-) 1–0. Klasmeier,Hartmut (2020) – Slacik,Johann (1720), 03sen.Bad Wildungen, 2006.

8.c3 Ba5 9.Na3 d5 10.Nc2 0-0 (better is 10...Ne5=) 11.Ba3+/– Qd7 (11...Qe6 12.Nfd4 Be2 13.Qe2 Nd4 14.Nd4+/–) 12.Bf8 Rf8 13.h3 Bf5 14.Ncd4 Nd4 15.Nd4 Ne4 16.Rc1 Bg6 17.0-0 c5 18.Nf3 (18.Nb3 Bb6+/–) 18...Qe7 19.Nh2 (19.Qa4 Bb6+/–) 19...Qd6 20.f4 c4 21.Qe1 (21.f5 Bc7 22.Ng4 Bh5=) 21...Qa3? (better is 21...Bb6+=) 22.f5+- (22.f5 Bf5 23.Rf5+-) 1–0. Wessel,Volkmar – Pollok,Joerg, Schleswig Holstein–chG, 1990.

8.c4 0-0=.

8.c4 Ne5?? 9.Ne5+- Be2 10.Qa4 c6 (10...Kf8 11.Qb4 c5 12.Qa3+-) 11.Nc6 Qd7 12.Qb4 Qc6 13.Ke2 Qg2 14.Qb5 Qc6 (14...Nd7 15.Qd5 Qd5 16.cd5+-) 15.Bf6 gf6 16.Nc3 Qb5 17.Nb5 Ke7 (17...Kd7 18.Rhg1+-) 18.Nc7 (18.Rhg1 Rhc8 19.d3 h5+-) 18...Rac8 19.Nd5 (19.Nd5 Ke6 20.d3+-) 1–0. Da Silva Junior,Marco Aurelio (1710) – Pasqualotto,A P, 3rd Floripa Chess Open, 2017.

8.h3 Be6 9.0-0=.

8.h3 Bh5 9.0-0 0-0-0 10.c3 (10.a3 Ba5+=) 10...Bc5 (10...Ba5 11.Na3=) 11.d4+= Bb6 12.Nbd2 h6 13.c4 g5 14.d5 Rhg8?? 15.dc6+- bc6 16.a4 Ba5 (16...g4 17.Nh4+-) 17.Qb3 g4 18.hg4 Bg4 19.Ba3?? h5?? 20.Rfb1?? Bd2+= 21.Qb7 Kd7 22.Ne5?? Qe5-+ 23.Bg4 Ng4 24.g3 Qf6 25.Rf1 Nf2! 26.Rf2 Rg3 (26...Rg3 27.Kf1 Qa1 28.Qb1 Qb1 29.Ke2 Re3 30.Kd2 Rd3 31.Ke2 Re8) 0–1. gtate (1965) – speqter, net–chess.com, 2004.

5.Bb2 Be7

6.c3 0-0=+ 7.h3 d5 8.d4 a6 9.Nbd2 Bf5 10.g4 Bg6 11.Rg1 Be4 (11...Ne4 12.e3-/+) 12.Ne4 de4 13.Ne5 Ne5 (13...e3!? 14.Bg2 ef2 15.Kf2 Ne5 16.de5 Nd7-/+) 14.de5= Nd5 (better 14...Nd7 15.Qd4 c6 16.Qe4 Qa5=) 15.Qd4 (15.Bg2 c6 16.Be4 Bc5+=) 15...c5?? (better 15...e3 16.Bg2 Bh4-+) 16.Qe4+/- Bh4 (better 16...Qb6 17.0-0-0 Nc7+/-) 17.0-0-0?? (17.g5 Qb6 A) 18.Qh4?? Qb2 19.Rd1 Qc3 20.Rd2 Rad8-+ (20...Qe5?! 21.Rg3-+); B) 18.Qd5?! Qb2 19.Rd1 h6+=; C) 18.Rb1+/-) 17...Qa5?? (better 17...Bf2 18.Rg2 Qg5 19.e3 Qe3 (worse 19...Ne3 20.Rf2 Nf1 21.Qf4 Qf4 22.Rf4=+) 20.Qe3 Be3 21.Kc2 Rad8-/+) 18.Rd5+- (18.Qd5 Bf2 19.Rh1 Be3 20.Kc2 Rad8=) 18...Qa2 19.g5 (19.Rg2 Rfd8 20.Rd8 (20.Rc5?! Qb3 21.Qc2 Qb6+=) 20...Rd8 21.e3+- (21.Qb7 Qa4 22.Kb1 Qd1 23.Ka2 Qf1-/+)) 19...Rfd8?? (better 19...Bf2 20.Rg4 b5+/-) 20.Rd8+- (20.Qh4?! Qd5 21.Bg2 Qd2 22.Kb1 Qe2=) 20...Rd8 21.Qh4 Qd5 22.Kb1 (better 22.Bg2!? Qd2 23.Kb1 Qe2+-) 22...Qd1?? (better 22...Qb3 23.Qf4 Rd1 24.Qc1 Rc1 25.Kc1 Qd5+/-) 23.Ka2+- Qa4 (23...Qd5 24.c4 Qd1+-) 24.Qa4 1-0. beatmeeasy (1965) - TheFoldingChessBoard (2020), lichess.org, 2021.

6.e3 d5 7.Be2 0-0 8.0-0 Re8 9.Re1 a6 10.d3 h6 11.Nbd2 Be6 12.c4 Bd6 13.Qc2 Bg4 14.Bf6 Qf6 15.cd5 Nb4 16.Qb3 a5 17.Ne4 Qe7 18.Rab1 a4 19.Qc3 c5 20.dc6+- Nc6 21.Nd6 Qd6 22.Rb7 Rec8 23.Qd2 Qd5 24.Reb1 Rcb8 25.Rb8 Rb8 26.Rb8 Nb8 27.Qb4 Nc6 28.Qg4 (28.Qg4 Qa2 29.Bd1+-) 1–0. miehnekort – o_beeeoou, Yahoo, 2005.

6.e3 d5 7.Be2 Rg8 8.d3 Bf5 9.Nbd2 Qd7 10.c4 (10.Rb1 0-0-0=) 10...dc4 11.Nc4 Bb4 (11...0-0-0 12.Nd4=) 12.Kf1 0-0-0 13.d4 (13.Bf6 gf6 14.a3 Be7=+) 13...h6 (13...Nd5 14.Rc1=) 14.a3 (14.Nce5 Ne5 15.Ne5 Qe7+=) 14...Be7= 15.Nfe5 Ne5 16.Ne5 Qe6 17.Bc4 Nd5 18.Qf3 (better 18.Rc1=) 18...Bg6?? (18...f6 19.Bd3 A) 19...fe5?? 20.Bf5 (20.Qf5?? Ne3 21.fe3 Rgf8-+) 20...Qf5 21.Qf5 Kb8 22.Qe5+-; B) 19...Bd3 20.Nd3 f5=+) 19.e4+- (19.Ng6?! fg6 20.e4 Ne3 21.Qe3 Qc4 22.Ke1 Bf6=) 19...Qb6 20.Bd5 (better 20.Rb1!? Bh7 21.Nf7+- (21.Bd5 Rd5 22.ed5 Bb1 23.Qf7 Rd8=)) 20...Qb2+- 21.Qd1 (21.Re1 Rge8 22.Nf7 Bf7 23.Bf7 Rf8 24.Qf5 Kb8-/+) 21...Be4 (21...Rd5!? 22.ed5 Bc2=) 22.Be4+- Rd4 23.Qg4 (better 23.Nd3!? Qc3 24.Rc1+-) 23...Kb8= 24.Rb1 Qa3?? (better 24...Qb1! 25.Bb1 Rg4 26.Ng4 Ba3=) 25.Rb7 Ka8 26.Rb3 Re4 27.Nc6 (27.Nc6 Qc1 28.Qd1 Qd1; 27.Qe4 c6 28.Qc6) 1-0. Da Silva Junior,Marco Aurelio (1695) - Lanznaster,Rafael, 2017.

6.e3 d6 7.Be2 Bg4 (7...0-0 8.Nc3=) 8.0-0 Bh5 (8...0-0 9.c4=) 9.d4 0-0 10.c4 Bg6 11.Nc3 Nb4 (11...h6 12.Qb3+=) 12.d5 (12.a3 Nc6+/-) 12...Na6 (12...Qd7 13.Nh4+=) 13.Bd3 (13.Nh4 Nc5+=) 13...Bd3+= 14.Qd3 Nc5 15.Qc2 Nfe4?? (better 15...Nfd7+=) 16.Ne4+- Ne4 17.Qe4 1-0. NoLuckOnlySkill (2165) - Kaddosh (2130), Rated Blitz game, lichess.org, 2016.

5.c3 Bc5

6.d4 Ne5 7.Ne5 Bb6 8.Qb3 0-0 9.Nd2 d6 10.Nef3 Be6 11.c4 c6 (11...a5 12.e3=) 12.e3= Rb8 13.Bd3 d5 14.c5 Bc7 15.Qc2 h6 16.0-0 Ng4 17.h3 Nf6 18.Qa4 a6 19.Bb1 (19.Rfb1 Ba5 20.Qc2 Re8+=) 19...Qd7 20.Qc2 g6 21.Nh4 (21.Ne5 Qe7 22.Ndf3 Bf5=) 21...Rbe8 22.Ng6 (better 22.Ndf3!?=) 22...fg6-/+ 23.Qg6 Qg7 24.Qg7 Kg7 25.f4? (better 25.Bd3!?-/+) 25...Bc8 (25...Ba5 26.Nf3 Bc3 27.Bd3 Ba1 28.Ra1-+) 26.Nf3? (better 26.Rf3-+) 26...Re3 27.Ne5 (27.f5-+) 27...Be5 (27...Nh5 28.Ng6 Rf6 29.Kf2 Bf4 30.Nf4-+) 28.de5? (better 28.fe5 Ne4 29.Be4 Re4 30.Rad1-+) 28...Ne4 (28...Nh5 29.f5 Re5 30.g4-+) 29.f5 (29.Be4 Re4 (worse 29...de4 30.Kh2-+) 30.g3 Re3-+) 29...Bf5 30.Be4 Be4 31.Rf8 Kf8 32.Rf1 (32.Rd1 Rc3-+) 32...Ke7 33.Rf6 Re2 (33...Rg3 34.Kf1-+) 34.g4 Ra2 (34...d4 35.Rf2 Rf2 36.Kf2-+) 35.Rh6 Rg2 (35...Rc2 36.Kf1-+) 36.Kf1 Rc2 37.Rh7 (37.h4 Rc5 38.Rd6 b5-+) 37...Ke6 (37...Bh7 38.g5 d4-+) 38.Rb7 Rc5 39.Rb6 a5 40.Ra6 (40.Ke2 Ke5 41.Rb3 Rb5-+) 40...Ke5 (40...Bd3 41.Ke1 Ba6 42.g5-+) 41.h4 (41.Ke2-+) 41...Kf4 (better 41...Bd3 42.Ke1 Ba6-+) 42.g5 (42.Ra8 Ke3 43.Kg1 Rc2-+) 42...Bg6 (42...Kf3 43.Ke1 Ke3 44.Rc6 Rc6 45.Kd1 Bf3 46.Ke1 Rc1) 43.Ra7 Kg4 44.Rg7 Kh5 (44...Kf3!? 45.Kg1 Rc1 46.Kh2-+) 45.Rg8 Bd3 (45...a4 46.Ke2 Rc2 47.Kd1-+) 46.Ke1 (46.Kf2 Kh4 47.Ke3 Bc2-+) 46...Kh4 47.g6 (47.Kd2 Bc2-+) 47...Bg6! 48.Rg6 Rc4 (48...a4 49.Rh6 Kg4 50.Rg6 Kf5 51.Rg3-+) 49.Rh6 Kg5 50.Rh8 a4 51.Ra8 Kf4 0-1. Impite (1680) - usuarioconnombre (2440), Rated Blitz tournament, lichess.org, 2016.

6.d4 Ne5 7.Ne5 Bb6 8.Nd2 d6 9.Nef3 Bf5 10.e3 0-0 11.Bc4 Qe7 12.0-0 d5 13.Bb3 c6 14.Bc2 Be4 15.Ng5 h6 16.Nde4 Ne4 17.Ne4+= de4 18.f3 Qg5 19.f4 Qe7 20.f5+= Rfe8 21.Rf4 Qf6 22.Qf1 Re7 23.Be4 Rae8-/+ 24.Bd3 Re3 25.Kh1 Ba5-+ 26.Rf3 Rf3 27.Qf3 Bc3 28.Rb1 Re7 29.d5-/+ c5 30.d6 Qd6-+ 31.Bc4 Bf6 32.Rd1 Bd4 33.g3 b6 34.Bd3 Re8 35.h4 Re3 36.Qa8 Kh7 37.f6 g6 38.h5 Qf6?? 39.Rf1=+ Qe6 40.hg6?? Kg7 41.Rf7+- Qf7 42.gf7 Kf7 43.Qa7 Kf6 44.Qb6 Re6 45.Qd8 Ke5 46.a4 Bc3 47.a5 Ba5 48.Qa5 Kd5 49.Kg2 Re3 50.Bb5 Rb3 51.Qd8 Ke5 52.Qh8 Kd5 53.Qg8 Kd4 54.Qb3 Ke5 55.Qc4 Kd6 56.Kf3 Ke5 57.Ba4 Kd6 58.Bb3 Kc6+- 59.Ke4 Kd6 60.Qe6 Kc7 61.Kd5 Kb7 62.Qc6 Kb8 63.Qd7 Ka8 64.Kc6 Kb8 65.Qb7 1–0. Pivovarov,Juraj – Chi,Megan, Alberta op, 2001.

5.c3 Ne5

6.Ne5 Ba5 7.d4 c6 8.e3 d6 9.Nc4 0-0 10.Bd3 Bc7=+ 11.Qc2 d5 12.Ne5 Be5 13.de5= Ng4 14.Bh7 Kh8 15.Bf5 Ne5 16.Nd2 g6 17.Bc8= Rc8 18.h4 Kg7 19.0-0-0 Rh8 20.h5 gh5 21.Ne4 Qe7 22.Ng3= Qg5 23.Nf5+/– Kf6 24.Nd4?? Qg2?? 25.Qf5+- (25.Qf5 Ke7 26.Qe5 Kd7 27.Qf5 Ke7 28.Rh5 Rh5 29.Qc8 Qf2 30.Qb7 Kf8 31.Qc8 (< 31.Qa7 Rh2 32.Qb8 Kg7+-) 31...Kg7 32.Qg4 Kh6 33.Rg1 Qe3 34.Kb2+-) 1–0. Reeves,A – Thurman,J, Troy,MI Classic–B, 1993.

6.Ne5 Bc5 7.d4 Bd6 8.Nc4 Qe7 9.Nbd2 b6 10.Nd6 Qd6 11.e4 Qc6 12.Qf3 Bb7 13.d5 Qc5 14.Be2 c6? 15.Nb3?? Qe7=+ 16.dc6 dc6 17.Nd2 c5=+ 18.Bb5 Nd7 19.Rd1 0-0 20.0-0 Nf6 21.Rfe1 Rad8 22.Re2 a6 23.Bd3 Qe5 24.Rc1 Rfe8 25.Nc4 Qe6 26.Rce1 b5 27.Na3 c4 28.Bc2 Qe5 0–1. wlittle (1730) – sanbarrett (1670), net–chess.com, 2001.

6.Ne5 Bd6 7.d4 0-0 8.e3 Re8 9.Nf3 Ne4 10.Bd3= Qe7 11.0-0 b6 12.Nbd2 Bb7 13.Ne4 Be4 14.c4 a5 15.Be4 Qe4 16.c5 bc5=+ 17.dc5 Bc5 18.Qd7 Re7 19.Qb5 Bd6 20.Rac1 Qb4 21.Qc6 Rb8 22.Rfd1 Qb2 23.Rc2 Qb5 24.Rdc1 Qc6=+ 25.Rc6 Rd7 26.g3 Rb2 27.a4 Ra2 28.R1c4 f6 29.Rd4 Re7 30.e4 Re8 31.Kg2 Rb8 32.Ne1 Rb4-/+ 33.Rdc4 Raa4-+ 34.Rb4 ab4 35.Kf3 b3 36.Nd3 Ra2 37.Rc1 b2 38.Rb1 Ba3 39.Rd1 Kf7 40.e5 fe5 41.Ne5 Ke6 42.Nd3 Ra1 43.Nb2 Bb2 44.Rd2 Bc3 45.Re2 Kd6 46.Re4 Bf6 47.Rc4 Ra3 48.Ke4 Ra2 49.Kf3 Rd2 50.Ke3 Rb2 51.h3 g5 52.Ra4 h5 53.Ra6 Rb6 54.Rb6 cb6 55.g4 hg4 56.hg4 Ke5 57.Kf3 b5 58.Ke3 Be7 59.Ke2 Kf4 60.Kd3 Kg4 61.Ke4 Bc5 (62.f3 Kg3-+) 0–1. Doctor? 3.0 – Comet B50, 2004.

6.Ne5 Bd6 7.d4 Qe7 8.Nc4 0-0 9.g3 Re8 10.Bg2 Qe6 11.d5 Qf5 12.Nd6= cd6 13.0-0 Re5 14.Nd2 Qh5 15.e4 Qh6 16.Nc4 Rg5 17.f4 Rh5 18.Nd6 Qg6? 19.e5 Rh2 20.ef6 Qg3 21.Qe2 h6 22.Rf2 Kh7 23.Qe4 g6 24.Qe7 (24…Rg2 25.Rg2 Qh2 26.Rh2 h5 27.Qf7 Kh6 28.Qg7) 1–0. Doctor? 3.0 – Comet B25, 2004.

6.Ne5 Bd6 7.d4 Qe7 8.Nc4 Bf4 9.e3 d5 10.Ncd2 Bg4 11.Be2 Be2 12.Qe2 Bd6 13.0-0 0-0 14.Nf3 Rfe8 15.Nbd2 Ne4 16.Qd3 f5 17.Rab1 c6 18.Rb2 b5=+ 19.Rfb1 f4 20.a4 fe3 21.fe3 Nd2-/+ 22.Nd2 a6 23.ab5 cb5 24.Re1? Qc7?? 25.Nf3=+ Rac8 26.Rc2 Qc4-/+ 27.Qc4 dc4 28.e4 b4 29.e5 b3= 30.Rb2 Ba3 31.Rbb1 Ra8 32.Ra1 Bb2 33.Ra4 Bc3 34.Rc1=+ b2 (34...b2 35.Rb1 Rac8-+) 0–1. wood – Tahl6, Live Game Caissa's Web, 2005.

6.Ne5 Qe7 7.Nf7 Bc3 8.Nc3 Qf7=+ 9.g3 d5 10.Bg2 0-0 11.0-0 c6 12.d4 Qh5 13.f3 Qg5 14.Qc1 Qh5 15.e4 de4 16.Ne4 Qd5 17.Qc3 Bf5 18.Nf6 Rf6=+ 19.g4 Bg6 20.Rfe1 Rd8 21.Rad1 Re6 22.Re6=+ Qe6 23.Bf1 Bf7 ½–½. Baxa,Ottokar – Richter,Thomas1 (1620), Passau op 8th, 2000.

6.Ne5 Be7

7.Qb3 0-0 8.g3 d6 9.Nf3 Be6 10.Qc2 d5 11.Bg2 c5 12.0-0 Qd7 13.d3 Bh3 14.Nbd2 Bg2 15.Kg2 Rac8 16.Rfb1 Rfe8 17.e3 c4 18.d4 b5 19.Ne5 Qb7=+ 20.f4 a5 21.Rb2 b4 22.Rab1 Qa8-+ 23.g4 bc3 24.Qc3 Bb4 25.Rb4 ab4 26.Rb4 Qa2 27.Kf3 Ra8 28.Rb7 Ra3 29.Qb4 c3 30.Rf7 cd2 31.Rg7 Kh8 32.Qb7 d1Q (32...d1Q 33.Kg3 Ne4 34.Kh3 Qf1 35.Kh4 Qh2) 0–1. Dircula – Subedei, ChessWorld.net, 2005.

7.Qb3 d5 8.e3 0-0 9.d4 Re8 10.Nd2 b6 11.Bb5+= Rf8 12.Bc6 Rb8 13.0-0 Be6 14.Ndf3 Qd6 15.Qb5 a5 16.Rfc1 Rfd8 17.h3 (17.Ng5 Rf8+=) ½–½. Angermann,Immo Frank – Heckl,Bernhard, corr GER–chT 2BK Gr06 Br4, 1995.

7.d4 d5 8.e3 0-0 9.Be2 Bd6 10.Nf3 Re8 11.0-0 Ne4 12.a3 c6 13.Nfd2 Qg5 14.Nf3 Qh6 15.Qc2 Bg4-+ 16.g3 Bh3 17.Re1 Nf2 18.Bd3 Nd3 19.Qd3 Re6 20.Nbd2 Rae8 21.a4 Re3 22.Re3 Qe3 23.Qe3 Re3 24.Kf2?! Rc3 25.Rb1 b6 26.Ra1 h6 27.Ne5 c5 28.Nef3 cd4 29.Nd4 Rd3 30.N4f3 Bc5 31.Ke2 Re3 32.Kd1 Bg4 33.Kc2 Bf3 34.Nf3 Rf3 35.Re1 Rf2 36.Kd3 Rh2 37.Re8 Kh7 38.Ra8 a5 39.Ra7 f5 40.Rd7 d4 41.Rd5 Kg6 0–1. DanielMena – labackna, ChessWorld.net, 2007.

7.d4 d6 8.Qa4 c6 -/+.

7.e3 0-0 8.Bd3 d6 9.Nf3 c6 10.0-0 Qa5 11.Qb3 Rb8 12.Nd4 Bd7 13.Qb4 Qh5 14.Be2 Qg6 15.f4? c5 -+.

7.e3 0-0 8.Be2 d6 9.Nf3 Bf5 10.0-0 d5 11.Qb3 Rb8 12.c4 dc4 13.Bc4 Bg4 14.Ne5 Bh5 15.Qc2 Bd6 16.f4 Ng4 17.Qf5 Nf6 18.Rf2 b5 19.Nc6 +/–.

7.g3 d6 8.Nd3 0-0 9.Bg2 d5 10.0-0 c6 11.Ne5 Bf5 12.d3 Bd6 13.d4 Re8 14.Nd3 Qa5 15.Qc2 c5 16.Qd2 cd4-+ 17.cd4?? Qd2 18.Nd2 Re2 (18...Re2 19.Rfd1 Bd3-+) 0–1. Germanicus – Double Wood, ChessWorld.net, 2005.

5.c3 Be7

6.d4 d6 7.Bg3 0-0 8.Nbd2 Bg4 9.Qb3 Rb8 10.e4 Bf3 11.Nf3 Ne4 12.Bd3 Ng3 13.fg3 Bf6 14.0-0 Re8 15.Bc4 Re7 16.g4 g6 17.g5= Bg7 18.Nh4 Qf8 19.Rad1 Na5 20.Bf7?? Rf7-+ 21.Rd3 (21.Qd5 b5 22.Rb1-+) 0–1. jpv – hal1958, HCL–T067 playchess.de, 2003.

6.d4 d6 7.Bg3 0-0 8.Nbd2 Bg4 9.e4 Re8 10.Bc4 (10.Bd3 Nh5=) 10...Bf8 (10...d5 11.ed5 Bf8 12.Kf1 Nd5 13.Qc2=+) 11.0-0= a6 12.Qc2 Bf3 13.Nf3 Ne4 14.Rfe1 (14.Bd5 Ng5=) 14...d5=+ (14...Ng3 15.Re8 Qe8 16.Ng5 Ne2 17.Kf1+-) 15.Bd5?? (better 15.Bd3 f5 16.Re2=+) 15...Qd5-+ 16.c4 (16.Be5 Ne5 (16...Re5?! 17.Ne5 Nf6 18.Qb3-/+) 17.Ne5 Nf6-+) 16...Qf5 (16...Nd4 17.Nd4 (17.cd5?? Nc2 18.Re4 Re4-+) 17...Qd4 18.Bc7-+) 17.Nh4?? (better 17.Bc7 Bb4 18.Re3-+) 17...Nd4 18.Qd3 (18.Qb1 Qe6 19.Nf3-+) 18...Qd7 (18...Qf6 19.Nf3 Nf3 20.Qf3 Qf3 21.gf3-+) 19.Rad1?? (better 19.Re4 Re4 20.Qe4-+) 19...c5 (better 19...Nc3! 20.Qc3 Ne2 21.Kf1 Qd1 22.Qg7 (22.Rd1?? Nc3 23.Ra1 Re4-+) 22...Bg7 23.Rd1-+) 20.Re4 Re4 (better 20...Ne2! 21.Qe2 Re4 22.Rd7 Re2-+) 21.Qe4 Re8 22.Qd3 Ne2 23.Kf1 Qd3 24.Rd3 Ng3 25.hg3 (25.Rg3 Re4 26.Nf5-+) 25...Be7 (better 25...Re4!?-+) 26.Nf5 Bf6 (26...g6 27.Ne3-/+) 27.Nd6 (27.Rd7!?-/+) 27...Rd8 28.Rd2 (28.Re3 b6-/+) 28...g6 (28...b5 29.Ne4 Rd2 30.Nd2-+) 29.Ne4 (29.Rd5 b6-/+) 29...Rd2-+ 30.Nd2 Bd4 (30...b5 31.g4-+) 31.Ke2 (31.Nb3-/+) 31...Bc3 (better 31...b6!?-/+) 32.Ne4=+ Bd4 33.Nd6 (better 33.Nd2!?=) 33...b6-/+ 34.f3 (better 34.a4-/+) 34...b5?? (better 34...Be5 35.Ne4 f5-+) 35.cb5+= ab5 36.Nb5 Kf8? (36...Bf6 37.Kd3+/-) 37.g4?? (better 37.Nd4 cd4 38.Kd3+-) 37...Bg1+= 38.Kd3 Ke7 39.Kc4 Kd7 (39...Ke6 40.a4+/-) 40.a4 (better 40.Kd5!?+/-) 40...Kc6+= 41.a5 Kb7 42.Nd6 Ka6 43.Nf7 Ka5 44.Ng5 (44.f4 Kb6+/-) 44...h6+= 45.Nf7 h5 46.gh5 gh5 47.Nd6 (47.f4+/-) 47...h4 (47...Kb6 48.g3+/-) 48.Ne4 (48.Nf5 Bf2 49.Nh4 Bh4 50.Kc5 Bg3+/-) 48...Be3? (better 48...Kb6+=) 49.Nc5+- h3? (better 49...Kb6 50.Nd7 Kc6 51.Ne5 Kd6+-) 50.Nb7 (50.Nb7 Kb6 51.gh3 Kb7 52.Kd5+-) 1-0. FinalCut (2205) - clownopening (2115), Rated Bullet tournament, lichess.org, 2016.

6.Bf6 Bf6 7.e3 0-0 8.d4 d5 9.Bd3 Ne7 10.0-0 Bf5 11.Bf5 Nf5 12.Nbd2 Nd6 13.Qb3 c6 14.c4 dc4 15.Nc4 Nc4 16.Qc4 Re8 17.Rab1 Qd7 18.Rfc1 Rac8 19.Rb3 b6 20.Rd3 Qf5 21.Rdc3 c5 22.R3c2 h6 23.Qb5 Red8 24.a4 Rd5 25.Ne1 Be7 26.Qa6 Re8 27.Nf3 Qc8 28.Qd3 Qd8 29.Qa6 ½–½. Rushton,Darren – Wittal,Werner (1700), TT–02 TSC, 2002.

6.Bf6 Bf6 7.e4 d5+= 8.ed5 Qd5 9.Be2 0-0 10.0-0 Bg4 11.h3 Bf5 12.d4. Baer,Cy (1895) – Convent,Christoph (1915), RSS4D easy–49, 2007.

6.h3 0-0 7.g4 d6 8.Bg3 Re8 9.Bg2 d5 10.0-0 Ne4 11.Bh2 f5 12.gf5 Bf5 13.d3 Nf6 14.Nbd2 Qd7 15.Rb1 b6 16.Kh1 Bh3-/+ 17.Bh3 Qh3 18.Rg1 Bd6-+ 19.Qf1 Qf1 20.Nf1 Bh2 21.N1h2 0–1. carrafurca (2100) – pispindroi (1865), net–chess.com, 2008.

6.h3 Ne5 7.Ne5 0-0 8.e3 -/+.

5.Bc3 0-0

6.e3 d6 (--> 4...d6 5.Bc3 Nc6 6.e3 0-0).

6.e3 Ne4 7.Bb4 Nb4 8.a3 Nd5 9.c4 Ndf6 10.h3 d5 11.d4 c5 12.cd5 Nd5 13.Nbd2 Ndc3 (13...Nec3!? 14.Qc2 cd4 15.Nd4 Ne3 16.Qc3 Qd4 17.Qd4 Nc2 18.Kd1 Nd4-/+) 14.Qc2= Qa5 (better is 14...Nd2!? 15.Qd2 cd4 16.Qd4 Nd5=) 15.Bd3+/– (worse is 15.Ne4 Ne4 16.Nd2 f5 17.Bc4 Kh8 18.dc5 Rd8=) 15...f5 16.0-0 (16.Be4?! Ne4 (worse is 16...fe4 17.Qb3 Kh8 18.Ne5+-) 17.Qa2 Kh8=) 16...Nd2 (16...cd4 A) worse is 17.Be4 Ne4 (worse is 17...fe4 18.Nd4 Bd7 19.Rfc1+/–) 18.ed4 Nd2 19.Qa2 Kh8 20.Qd2 Qd5+=; B) 17.Nd4 Re8 18.Nc4+-) 17.Nd2 (17.Qd2!? cd4 18.Nd4+-) 17...Be6 18.Nc4 (18.Nb3 Bb3 19.Qb3 Kh8 20.dc5 Rac8+/–) 18...Bc4+= 19.Bc4 Kh8 20.dc5 Ne4 21.Bd3 Qc5?? (better is 21...Rac8 22.Be4 Rc5+=) 22.Be4+- Qc2 23.Bc2 Rac8 24.Bb3 g6 25.Rac1 Rfe8 26.Rfd1 Rc1 27.Rc1 Re7 28.Kf1 h5 29.h4 Kg7 30.Bd5 Rd7 31.e4 Kf6 32.g3 Ke5 33.f3 f4 34.Kf2 fg3 35.Kg3 g5 36.hg5 h4 37.Kg4 h3 38.Rh1 Rh7 39.Rh3 Rh3 40.Kh3 Kf4 41.g6 1–0. forsetinn – djenney, gameknot.com, 2013.

6.e3 Qe7 7.Be2 d5 8.Bb4 Nb4 9.c3 Nc6 10.0-0 Bf5 11.Nh4 Bd7 12.Nf3 a6 13.h3 Rfd8 14.a4 Bf5 15.d4 b6 16.Nbd2 Qd6 17.Nh4 Be4 (17...Bd7 18.Bd3=) 18.Ne4 (18.f3 Bg6=) 18...Ne4 19.Qc2 Re8 20.Bg4 (20.Rac1!?=) 20...Na5-/+ 21.Nf5 Qg6 22.Nh4 Qf6 23.Nf3 Nc4 24.Bd7 Re7 25.Bg4 c5 (25...Rf8 26.a5 h5 27.Bh5-/+) 26.Ra2 (26.Rfd1 Rd8=+) 26...Qg6 (26...g6 27.h4-/+) 27.Nh4=+ Qg5 28.Nf3 Qf6 29.Rb1 g6 30.Ne1? (better 30.h4-/+) 30...Ncd2-+ Threatening mate... how? 31.f3 Nc3!! (31...Nb1?! 32.fe4 h5 33.Be2 Re4 34.Qb1 Re3 35.Nf3-/+) 32.Qc3 A deflection 32...Nb1 33.Qb2 h5 34.Bh5 Re3 35.Qb1 (35.Nc2 Re2 (35...gh5?! 36.Ne3 Qd4 37.Qd4 cd4 38.Nd5-+) 36.Qb1 gh5-+) 35...Qd4 (worse 35...gh5 36.Rd2 c4 37.Nc2-+) 36.Kh1 Qb4 (36...gh5 37.Nc2 Qd3 38.Ra3 Qc2 39.Qc2 Ra3 40.Qc1=+) 37.Ra1 (37.Qb4 cb4 38.Ra1 b3-+) 37...Qb1 38.Rb1 gh5 39.Kg1 (39.Rd1 Rae8 40.Nd3 c4-+) 39...Rae8 40.Kf1 (40.Nc2 Rc3 41.Ne1 Ra3-+) 40...Ra3 (40...Re1 41.Re1 Re1 42.Ke1-+) 41.Nc2 (41.a5 Ra5 42.Nd3 Rb5-+) 41...Ra4 42.Rb2 (42.Ne1 Kg7-+) 42...d4 43.Kf2 h4 44.g3 (44.Ne1 c4 45.f4 Ra1-+) 44…d3 (44...d3 45.Ne3 hg3 46.Kg3 Re3-+) 0–1. petrobbo (1995) – Yorkie (2405), ChessWorld.net, 2011.

6.e3 Be7 7.Bb5 a6 8.Ba4 d5 9.0-0 Bg4 10.d3 Qd6 11.Bb3 d4 12.h3?? Bh5?? 13.Bb2 Rfe8 14.Nbd2 b5 15.ed4 Qf4 16.Re1 Rad8 17.c3 Qf5 18.a4 b4 19.Qc2 Bd6 20.c4 Bg6 21.c5 Bf4 22.Bc4 Qc8 23.Re8+/– Re8 24.d5 Ne5 25.Ne5 Be5 26.Be5 Re5 27.Qb2 Rh5 28.Qb4 Nd5 29.Qb3 Nf4 30.d4 Rg5 31.g4 h5 32.Nf3?? Nh3=+ 33.Kf1 Qg4-/+ 34.Ng5 Qg1-+ 35.Ke2 Qf2 36.Kd1 Qd4 37.Kc1?? Ng5 38.Ra2 Qg1 39.Qd1 Qc5 40.Qe2 Ne4 41.Kb2 Qd4 42.Ka3 (42.Kc1 Nc3 43.Qe8 Kh7 44.Bb3 Na2 45.Ba2 Qa1 46.Kd2 Qa2 47.Ke3 Qb3 48.Kd2 Qd5 49.Ke3-+) 0–1. Budzul,Robert – Woschkat,Karl_Heinz, email 4AMM–08, 1998.

6.e3 Be7 7.Bc4 d5=+ 8.Bb3 a5 9.a3 a4 10.Ba2 Ne4 11.d3 Nc3-/+ 12.Nc3 d4 13.Nd5 Ba3-+ 14.0-0 Bb2 15.Rb1 a3 16.Nd4 Nd4 17.ed4 c6 18.Ne3 Bd4 19.Re1 Bc3 20.Rf1 Be6 21.Nc4 b5 22.Na3 Ba2 23.Ra1 Ba1 24.Qa1 Ra3 25.Qb2 Qd6 26.Re1 Bd5 27.f3 Ra2 28.Qb1 Qc5 29.Kf1 Rc2 30.d4 Qc3 (31.Qc2 Qc2-+) 0–1. coolerdude – Alissa, ChessWorld.net, 2005.

6.e3 Be7 7.Be2 d5 8.h3 Ne4 9.Bb2 Qd6 10.Nc3 Bf5 11.Ne4 (11.Nb5 Qb4 12.Rb1 Qa5=) 11...de4 12.Nd4 Nd4 13.Bd4 a6 14.Bg4 Bg6 15.Bh5 c5 16.Bc3 b5 17.Bg6 hg6 (17...fg6 18.0-0-/+) 18.Qg4 b4 19.Bb2 Rad8 20.Rd1 f5 21.Qf4 (21.Qe2 Qe6 22.Ra1 Rd7=+) 21...Qf4-/+ 22.ef4 c4 23.Be5 Bf6 24.Bf6 gf6 25.0-0 (25.Ke2!?-/+) 25...Rd7 26.Rfe1 (26.c3 Rb8-+) 26...Rfd8 27.Re2 (27.a3 a5-+) 27...c3 28.d3?! (28.Kf1 cd2 29.a3 ba3 30.Re3-+) 28...ed3 29.cd3 Rd3 30.Rde1 Rd2 31.Re6 (31.Kh2-+) 31...c2 32.Rf6 (32.Kh2 Rd1 33.Rc6 Re1 34.Rc2-+) 32...Rd1 33.Rg6 Kf7 34.Rge6 (34.Rc6 Re1 35.Kh2 c1Q 36.Rc1 Rc1-+) 34...Re1 (34...c1Q 35.Re7 Kf8 36.R7e2 Re1 37.Kh2 Re2 38.a4 Qf4 39.g3 Qf2 40.Kh1 Rd1) 35.Re1 Rd1 0-1. reza95 (2140) - highasakite (2335), Rated Classical game, lichess.org, 2016.

6.e3 Be7 7.Be2 Re8 8.0-0 Ne4 9.Bb2 d5 10.d3 Bf6 11.c3 Nd6 12.Nbd2 =.

6.e3 Re8 7.a3 Bc3 8.Nc3 d5 9.Bb5 Bd7 10.Bc6 Bc6 11.0-0 Bd7 12.h3 c6 13.Ne2 h6 14.Ng3 Qc7 15.d4 Re7 16.Ne5 Rae8 17.Nd7 Qd7 18.Qf3 Ne4 (18...Re6!?=) 19.Nf5+= Re6 20.Qg4 g6 21.Ng3 Kh7 (21...f5 22.Qf4 Qg7 23.Ne4 Re4 24.Qd6=) 22.Ne4 de4 23.c4 f5 24.Qf4 Qf7 25.d5 cd5 26.cd5 Re5 27.Rfd1 g5 28.Qh2 f4 (28...Rd5!? 29.Rd5 Qd5 30.Qc7 Kg6+=) 29.d6+= Rd8 30.ef4 gf4 31.Rac1 e3 32.Rc7?? (32.fe3 Re3 33.Rf1 Rd6 34.Rf4 Qg7=) 32...ef2 (better is 32...Qc7! 33.Qf4 Rd6 34.Rd6 ef2 35.Qf2 Qd6 36.Qc2 Kg7-+) 33.Kf2+= Rd7 34.Rdc1 Kg6 35.Kg1 Rd5 36.Rd7 Qd7 37.Qf4 Rd6 ½–½. Vila Vila,Ricard (1815) – Cerdans Costa,Ferran (1845), Moia ESP, 1st Open, 2013.

6.e3 Re8 7.Be2 d6 8.0-0 =+.

6.e3 Re8 7.Be2 Ne4 8.Bb4 Nb4 9.0-0 Qf6 10.d4 d6 11.c3 Nd5 12.Qb3 Nb6 13.a4 a5 14.Nbd2= Bf5 15.Bb5 Nd2 16.Nd2 Re7 17.Be2 d5 18.Rfe1 Bd7 19.Nf3 Bf5 ½–½. Vetter,Udo – Leisebein,Peter, T8–04 TSC, 2002.

6.g3 d5 7.Bg2 Bc3 8.Nc3 b6 (8...d4!? 9.Na4 b5-/+) 9.0-0+= Bb7 10.e3 Re8 11.Ne2 Ne5 12.Ne5 Re5 13.d4 Re7 14.c4 c6 15.c5 (15.Qa4 Qd6+=) 15...b5 16.Nf4 a5 17.Nd3 Qc7 18.a3 Ne4 19.Re1 Bc8 20.f3 Nf6 21.e4 de4 22.fe4 Bg4 23.Bf3 (23.Qd2!? Rd8 24.e5=) 23...Bf3+= 24.Qf3 Rd8 (better is 24...Qd7 25.d5 Rae8+=) 25.Rad1? (better is 25.e5 Nd5 26.Nf2=) 25...Rd4-+ 26.e5 Nd7 27.Re4 Re4 (27...Ne5?! 28.Ne5 Rd1 29.Qd1=) 28.Qe4 Nf6 (28...Ne5?! 29.Ne5 f5 30.Qc6 Qe5 31.Qb5 Qe3 32.Kg2 Qe4 33.Kg1 Qe3 34.Kg2 Qe4 35.Kg1 Qe3=) 29.Qf5 (29.ef6 Re6 Double attack (29...Re4 Pinning; 29...Re4 Deflection; 29...Re6 Decoy)) 29...Nd5-+ 30.Re1 h6 31.Nf4 Nf4 32.gf4 Qd7 33.Qe4 Qg4 34.Kf2 Qh4 35.Kg2? Rd7 36.Re2? Rd1 37.e6?? Qg4 38.Kf2 Qg1 39.Kf3 Rf1 0–1. alaamattar (2250) – justforfun (2520), net–chess.com, 2015.

6.a3 Bc3

7.Nc3 d5 8.d4 Ne4 9.Nb1 Re8 10.Nbd2 Qf6 11.Nb3 g5 12.h3 h5 13.e3 g4 14.hg4 hg4 15.Bd3 Nc3 16.Qd2= gf3 17.gf3 Qf3 18.Rg1 Kf8 19.Qc3 Re3! 20.fe3 Qe3 21.Kd1 Qg1 22.Qe1 Qg4 23.Kd2? Nd4-+ 24.Qh1 Nf3 25.Ke3 Nh4 26.Qd5 Be6 27.Qc5 Kg8 28.Rf1 b6 29.Qc6 Qg5 30.Kd4 Rd8 31.Kc3 Qg7 32.Kd2 Ng6 33.Nc1 Ne5 34.Qe4 c5 35.Ne2 c4 36.Rg1 Ng4 37.Nf4 Qg5 38.Ke1 cd3 39.Nd3 Qg7 40.Rg3 Rc8 41.Nf2 Rc4 42.Qa8 Kh7 43.Qh1 Kg6 44.Qf3 Qe5 45.Kd1 Kg7 46.Kc1 Qe1 47.Kb2 Qd2 48.Qd3 Qf2 (49.Qc4 Qg3 50.Qd4 Ne5-+) 0–1. NambissanTMR – marekt, chessworld.net, 2008.

7.Nc3 d5 8.d4 Ne4 9.Nb1 Re8=+ 10.e3 Bg4 11.Be2 Qf6 12.0-0 a6 13.c3 Qg6 14.Nfd2 =+.

7.Nc3 d5 8.d4 Ne4 9.Qd3 Bf5 10.Qe3 Re8 11.Ne4 de4-+ 12.Nd2 Nd4 13.0-0-0 c5 14.c4 Qa5 15.Kb2 Re6 16.Rb1 Rb6 17.Ka2 Nc2 18.Qg3 Qd2 19.Rb6 Nb4 20.Kb1 e3 21.Ka1 Qd4# (21...Qc3#) 0–1. ERNI – marekt, chessworld.net, 2008.

7.Nc3 d5 8.e3 d4 9.Nb5 de3 10.de3 Bg4 11.Be2 Qe7=+ 12.0-0 Rad8 13.Qc1 a6 14.Nc3 Ne5 15.Ne5 Qe5-/+ 16.f4?? Qc3-+ 17.Bd3 Rfe8 18.h3 Be6 19.e4 Qd4 20.Kh1 Ne4 21.Be4 Qe4 22.c3 Bh3 23.Rf2 Bg4 24.Qg1 Rd3 25.Rb1 Rh3 (26.Qh2 Qb1 27.Rf1 Qf1) 0–1. wlittle (2160) – tryme (2110), net–chess.com, 2005.

7.Nc3 d5 8.e3 Ne4=+ 9.Ne2 Bg4 10.Nf4 Ne5 11.Be2 Nc4 12.Bc4 dc4 13.d3 Ng5 14.Rb1 =+.

6.Bb4 Nb4

7.a3 Nc6 8.e3 d5 9.Bb5 Ne4 10.0-0 Bg4 11.h3 Qf6 12.d4 Bh5 13.c4 a6 14.Bc6 bc6 15.g4 Bg6 16.Ne5 Qh4 17.Qf3 Rab8 18.Qg2 Rb2 19.cd5 cd5 20.Nd3?? Ng5-+ 21.Nb2 Nh3 22.Kh1 Nf2 (23.Kg1 Nh3 24.Qh3 Qh3-+) 0–1. Adamczyk,Matthias – Klein,Robert, desc–online.de, 2006.

7.d4 d5 8.c3 Nc6 9.e3 Bf5 10.Bd3 Bd3 11.Qd3 a6 12.0-0 Re8 13.c4 dc4 14.Qc4 Qd7 15.Rc1 Rad8 16.Nbd2 Re6 17.a4 Nd5 18.a5 Rg6 19.Ne4 Re8 20.Ng3+= Nf6 21.Rab1 Na5 22.Qc7+/– Qc7 23.Rc7 Ng4 24.Ne4 b5 25.h3 Nh6 26.Ne5 Rb6 27.Ra7 Rd8 28.Nc5 f6 29.Ned3 Nf5 30.Ra1 Nc4 31.Na6 h5 32.Nac5 Re8 33.Rb1 Ncd6 34.Nf4 h4 35.Nd5 Rbb8 36.Nc3 Ne7 37.Rd7 Rb6 38.Kf1 Kf7 39.Nd5 (39...Nc4 40.Ke2+-) 1–0. Krasny,Henryk Jan – Woschkat,Karl Heinz, corr TKM/A006, 1999.

7.d4 Re8 8.e3 =.

7.e3 d5 8.d4 Bf5 9.Bd3 Qd7 10.0-0= Ne4 11.Ne5 Qe7 12.a3= Nd3 13.Nd3 Nd6 14.Nc3 c6 15.Ne5 Ne4 16.Ne2 f6 17.Nf3 Bg6 18.Rb1 Bf7 19.Rb3= c5 20.dc5 d4 21.Rd3 de3 22.Re3 Bc4?? 23.Qd4+- Be2 24.Re2 f5+/– 25.Nd2 Rad8 26.Qc4 Kh8 27.Ne4+- fe4 28.Re4 Qf6 29.h3 Qb2 30.a4 Qf6 31.f3 Qc6 32.Rg4 Rc8 33.Qc3 Rf7 34.Re1 Rcf8 (35.Qa5 a6+-; 34...h6 35.Re5+/–). revbodio1 – burka, Live Game Caissa's Web, 2004.

7.e3 d6 8.c3 Nbd5 9.d4 Re8 10.c4 Nf4 11.g3 N4h5 12.Bg2 Ne4 13.Nbd2 Nhf6 14.Ne4 Ne4 15.0-0 c6 16.Qc2 Qf6 17.Nh4 Qe7 18.Rfe1 Ng5 19.Rab1 Bg4 20.f3 Be6 21.f4 Nh3 22.Kf1 Bg4 23.Bf3 Bc8 24.Nf5 Qf6 25.Bg4 g6 26.Bh3 gf5 27.Bg2 Re7 28.Qd3 Rc7 29.e4 fe4 30.Be4 Bh3 31.Kg1 h6 32.d5 c5 33.Re3 Kf8 34.Bh7 Re8 35.Re8 Ke8 36.Re1 Re7 37.Re7 Ke7 38.Kf2 Kd8 39.Kf3 Qa1 40.Qb1 Qc3 41.Qd3 Qe1 42.Qc2 Qh1 43.Ke3 Bg4 44.Kd3 b5 45.Kc3 Qg1 46.Kb2 Qd4 47.Qc3 bc4 48.Bc2 Ke7 49.h4 Qd5 50.Qe3 Kf6 51.Qc3 Qd4 0–1. Zimmermann,Joerg (1700) – Kuni,Richard (1700), TT–02.27 TSC, 2002.

6.e3 d5

7.Bb4 Nb4 8.a3 Nc6 9.d4 Ne7 10.Bd3 c5 11.dc5 Bg4 12.Nbd2 Qa5 13.0-0 Qc5 14.Qb1 b6 15.Rc1 Rac8 16.c4 Qd6 (16...Rfd8 17.Nd4=) ½–½. Gierth,Karlheinz (2215) – Isigkeit,Hans_Juergen (2225), RSS7E pro–14, 2004.

7.Bb5 Bc3 8.Nc3 Ne7 9.0-0 c6 10.Ba4 (10.Be2 Qd6=+) 10...Qc7 11.d4 Ng6 12.h3 Re8 13.Ne2 Bf5 14.Ng3 Be4 15.Ne4 de4 16.c4? (Better is 16.Nd2=+) 16...ef3-+ 17.Qf3 Ne4 (Better is 17...Rad8 18.c5-+) 18.Bc2? Nh4 19.Qg4-/+ Qe7 20.g3 Ng6 21.h4 Nf6 22.Qf3 Nf8 23.Rab1 Ne4?? 24.Rb2? b6 25.Qe2 f5 26.Kh2 Ng6 27.f3?? Nd6 28.Qg2? Qe3 29.Rf2 f4 30.Bb3 fg3 31.Qg3 Nf4 32.c5 Kh8 33.cd6 Rad8 34.Bf7 Re7?? 35.de7+- Ra8 36.e8Q Re8 37.Be8 Qd4 38.Rg2 Ng2 39.Rg2 g6 40.h5 Qg7 41.hg6 hg6 42.Bg6 Qh6 43.Kg1 Kg7 (44.Qe5 Kg8 45.Qe6 Kh8 46.Qf6 Qg7 47.Rh2 Kg8 48.Qe6 Kf8 49.Qe8; 43...Qc1 44.Kf2 Qd2 45.Kf1 Qd1 46.Qe1 Qe1 47.Ke1 Kg7+-) +-. revreverend – dooda, Live Game Caissa's Web, 2004.

7.Bb5 Ne4 8.Bb2 (8.Bb4 Nb4 9.c3 Qf6+=) 8...Na5 9.a3 Be7 10.d3 Nd6 11.Ba4 Bf6 12.c3 c5 13.Nbd2 Bf5 14.Bc2 Rc8 15.0-0 Nb5 16.d4 (16.Nb1!?+=) 16...Bc2-/+ 17.Qc2 cd4 18.ed4 Nd4! 19.Nd4 (19.cd4 Rc2 Pinning (19...Rc2 Deflection); 19.Nd4 Bd4 Combination) 19...Bd4 20.Qd3 Bf6 21.Rfe1 Qb6 22.Rab1 Rfe8 23.Re8 Re8 24.Nf3 (24.Qd5? Re2 25.Rf1 Qb2-+) 24...Nc4 25.Bc1 Qc6 26.g3 (26.Bg5 Na3 27.Ra1 Qb5-+) 26...a6 27.Bb2 d4! 28.Ba1 dc3 29.Bc3 Rd8 30.Nd4 Bd4 31.Bd4 Ne5!! 32.Qc3 Nf3 33.Kh1 Qe4 (33...Qe4 34.Rf1 Nd4 (34...Qd4?! 35.Qf3 Qd3 36.Qd3 Rd3 37.a4-/+) 35.f3 Qe2-+; 33...Rd4?? 34.Qc6 Rd8 35.Qf3+-) 0–1. Roncea,Ioan (1835) – Brusila,Heikki (2215), ICCF Veterans World Cup I, section, 2008.

7.Bb5 Bg4 8.h3 Bf3 9.Qf3 Bc3 10.Nc3 Nb4 11.Ba4 Na6 12.Bb3 Increases the pressure on d5 12...c6 13.0-0 Nc5 14.d4 Nce4 15.Ne4 Ne4 16.Rfd1 b5 17.a3 a5 18.Rd3 a4 19.Ba2 Re8 20.Qd1 Qd6 21.Qg4 Re6 22.f3 (22.Qf4!?=+) 22...Ng3-/+ 23.e4? (better 23.h4-/+) 23...Rg6-+ 24.Qh4 Ne2 25.Kf2 (25.Kh1 Rg3 26.f4 Rd3 27.cd3 Qa3 28.ed5 Nd4 29.dc6-+) 25...Nf4 26.Rd2 (26.Kg1 Rg2 27.Kf1-+) 26...Ng2 27.e5 Qa3 28.Qh5 Qe3 29.Kf1 Qd2 30.Qf5 (30.Qh7 Kh7 31.Kg1 Ne3 32.Kh1 Qg2) 30…Ne3 0-1. reza95 (2125) - Seyed2900 (2250), Rated Classical game, lichess.org, 2016.

7.g3 Bc3 8.Nc3 d4 9.ed4 Re8-+ 10.Be2 Bg4 11.0-0 Re2! 12.Ne2?! Bf3 13.Rb1 Qd7 14.c3 Re8 15.Re1 Re4 16.Qb3 Qh3 17.Nf4 Rf4! 18.Re8 Ne8 19.Qf7 Kf7 20.Rb7 Qg2# 0–1. Gregor123 – Lordy@, mySchach.de, 2005.

5.Bc3 a5

6.a3 Be7 7.e3 0-0 8.Be2 d5 9.0-0 Bg4 10.d3 Bd6 11.Nbd2 Qe7 12.Bb2 Rad8 13.Re1 Bc8 14.Qc1 Ng4 15.c4 dc4 16.Nc4+= Rfe8 17.Qc3 f5 18.Nd6 Rd6 19.Bf1 Be6 20.h3 Nf6= 21.e4 fe4 22.de4+/– Nh5 23.e5 Rd7 24.Qe3 Rf8= ½–½. Aramburu,F – Maiztegui Casas,Lincoln R, Montevideo Orientales op, 1993.

6.e3 0-0 7.a3 Bc3 8.Nc3 d5 9.g3 Bg4 10.Bg2 Ne4 11.Ne2 Qf6-/+ 12.Neg1 Ne5 13.h3 Bd7 14.Rh2 Nc4 15.Bh1 Ba4 16.Ra2 Qd6 17.Ne2 Na3-/+ 18.Qc1 Nc2 19.Rc2 Bc2 20.Qc2 a4 21.Nc1 b5 22.Nd4 b4 23.Be4 de4 24.Qe4 c5 25.Nc2 c4 26.Qc4 Rfc8 27.Qa2? Qc5 28.Kd1 Qb5 29.Ke1 b3 (30.Qb1 Rc2-+) 0–1. Claus,Joachim (1765) – Kraft,Hans (1980), 18sen.Bay.EM2006 Schney op, 2006.

6.e3 0-0 7.a3 Be7 8.Be2 d5 9.0-0 Bf5 10.d3 b5 11.Nd4 Nd4=+ 12.ed4 b4 13.Bd2=+ Qd7 14.c3 c5 15.dc5= Bc5 16.ab4 ab4 17.Ra8 Ra8 18.cb4 Bb6 19.Qb3 Be6 0–1. spblex (2550) – bigart (2615), net–chess.com, 2009.

6.e3 d5 7.Bb5 0-0 8.0-0 Bg4 9.h3 Bh5 10.Bb2 Bd6 11.Be2 a4 12.Na3 =+.

5.Bc3 Bc3

6.Nc3 0-0 7.d4 d5 8.e3 Bg4 9.Be2 a6 10.0-0 Re8 11.Qd3 Qd6 12.Rab1 =.

6.Nc3 0-0 7.e3 a6 8.d4 Re8 9.Bd3 d5 10.0-0 Bg4 11.Be2 b5=+ 12.Rb1 (12.a3 Qd6=+).

6.Nc3 0-0 7.e3 b6 8.Be2 (8.Bd3 Bb7=) 8...Bb7 (8...a6 9.0-0=) 9.0-0 Qe7 10.d4 (10.a3 d5=) 10...Nb4 11.Rb1 Ne4 (11...Nbd5 12.Nd5 Nd5 13.Qd3=) 12.Ne4 Be4 13.Rb2 c5 (13...a5 14.Nd2 Bb7 15.c3=) 14.Qd2 (14.c4 Rfd8=) 14...d5 (14...Rab8 15.c4=) 15.c3 (15.dc5 bc5 16.a3 Nc6=) 15...Nc6 16.Rd1 (16.Rc1 h6=) 16...c4 (16...Rfd8 17.Rb5=) 17.Ne1 (17.Ne5 Ne5 18.de5 Qe5=) 17...g5 (17...Rae8 18.Rb5+=) 18.Bf3 (18.f3 Bg6+=) 18...Rae8 (18...f5 19.h3=) 19.Rb5 Qe6 20.Be4 Qe4 21.Qc2 Qc2 (21...Qe6!?=) 22.Nc2+/– Rd8 (22...Ne7+/–) 23.Rdb1 (better is 23.e4!?+/–) 23...Rfe8 (23...f5 24.a4=) 24.Nb4 (24.a4 Rd6=) 24...Nb4 25.R1b4 f5 26.g3 (26.Kf1 f4 27.ef4 gf4=) 26...f4 27.ef4 gf4 28.Kg2 fg3 (28...Re2 29.Rb2 Re1 30.Rb1 f3 31.Kf3 Rf8 32.Kg2=) 29.hg3 Re2 (29...Re1 30.Rb1 Re2 31.R5b2=) 30.Rb2 Re1 (30...Re4 31.a4=) 31.Rb1 Re2 32.R5b2 Rde8 33.Kf1 R2e4 (33...R2e6 34.Rb5=) 34.a4 Kf7 (34...Rf8 35.Rc2=) 35.Ra1 (35.Rb5 Re2+=) 35...Kf6 (35...h5 36.a5=) 36.a5+= ba5 (36...R4e6 37.Kg2=) 37.Ra5 Re1 38.Kg2 Rc1 39.Rd5 Rc3 40.Rb7 (40.Ra2 Rd3+=) 40...Re7= 41.Re7 (41.Rd6 Kf7 42.Rdd7 Rd7 43.Rd7 Ke6 44.Ra7 h6=) 41...Ke7 42.Ra5 Rd3 43.Ra7 Kd6 44.Rh7 c3 45.Rh1?? (better is 45.Rh8=) 45...Kd5-+ 46.Rh8 (46.Rc1 Kd4 47.g4 Rd2+=) 46...Rd4 47.Rc8?! (47.Rh1-+) 47...Rc4 48.Rd8 Ke4 49.Rd1 c2 50.Rc1 Kd3 51.f4 (51.Kf3-+) 51...Kd2 52.Rc2 Rc2 53.Kf3 Kd3 54.f5 Kd4 55.Kf4 Kd5 56.Kg5 (56.Ke3 Ke5-+) 56...Ke5 0–1. Beljdy,Alexander – Moskalev,Alexander (1955), Novosibirsk–April, 2010.

6.Nc3 0-0 7.e3 d5 8.d4 Bg4 9.Be2 a6 A) 10.Rb1 b5 11.0-0 Re8 12.a4 b4 13.Na2 a5 14.c3 Qd6 15.Qc2; B) 10.h3 Bf5 (10...Bf3 11.Bf3 Qd6 12.Rb1 b5 13.0-0 Rfe8 14.Qd3 Rab8 15.Rfe1; 10...Bh5 11.0-0 Re8 12.a4 Qd6 13.Rb1 b6 14.Re1 Bg6 15.Rb2) 11.Rb1 b5 12.Bd3 Ne4 13.Be4 de4 14.Nd2 Qe7 15.Qh5; C) 10.a3 Qd6 (10...Re8 11.0-0 b5 12.h3 Bf5 13.Bd3 Ne4 14.Qe1 Qd6 15.Nh4; 10...Qe7 11.0-0 Rfe8 12.h3 Bf3 13.Bf3 Qd6 14.Qd3 Rab8 15.Ne2) 11.0-0 Rfe8 12.Qd3 Ne7 13.Rab1 b6 14.Rb3 b5 15.Rfb1; D) 10.Nd2 Be2 (10...Be6 11.0-0 Re8 12.Rb1 b5 13.Nb3 Ne4 14.Ne4 de4 15.a4) 11.Ne2 b5 12.0-0 Re8 13.Nf4 Qd6 14.Qf3 Ne7 15.Nd3; E) 10.0-0 Re8 (10...b5 11.Rb1 Qd6 12.Qd3 Rfe8 13.a4 b4 14.Na2 a5 15.c3; 10...Qd6 11.Rb1 b5 12.Qd3 Rfe8 13.a4 b4 14.Na2 a5 15.c3) 11.Qd3 (11.Rb1 b5 12.a4 b4 13.Na2 Qd6 14.c3 a5 15.cb4) 11...Qd6 (11...Qc8 12.Rfb1 b5 13.a3 Bf5 14.Qd2 Rb8 15.Rb2) 12.Rab1 (12.Rfb1 Rab8 13.Rb2 b5 14.a4 b4 15.Na2) 12...b6 13.h3 Be6 14.Rfe1 Ne7 15.Qd2.

6.Nc3 0-0 7.e3 d5 8.d4 Bg4 9.Be2 Rb8 A) 10.0-0 Re8 (10...a6 11.Rb1 Re8 12.a4 Qe7 13.h3 Bf5 14.Bd3 Bd3 15.cd3) 11.Rb1 a6 12.Qd3 Qe7 13.Rb2 Qe6 14.a4 Na5 15.Rfb1; B) 10.a3 Re8 (10...a6 11.0-0 Re8 12.h3 Bh5 13.Qd3 Ne4 14.Nd2 Be2 15.Ne2; 10...Qe7 11.0-0 Rfe8 12.h3 Bf5 13.Bd3 Qe6 14.Ne2 Bd3 15.Qd3) 11.0-0 Qe7 12.Bd3 Rbd8 13.h3 Bh5 14.g4 Bg6 15.Bg6; C) 10.Rc1 Re8 (10...a6 11.0-0 Re8 12.a4 Qd6 13.Rb1 Bf3 14.Bf3 Na5 15.Be2; 10...Ne4 11.Ne4 de4 12.Nd2 Bf5 13.c4 Re8 14.0-0 Qg5 15.Kh1) 11.0-0 a6 12.a4 Qd6 13.Rb1 Re7 14.Nh4 Be6 15.Nf3; D) 10.Rb1 Re8 (10...a6 11.0-0 Re8 12.a4 Qe7 13.Qd2 Ne4 14.Ne4 de4 15.Ne1; 10...Qe7 11.0-0 Rfe8 12.h3 Bf5 13.Bd3 Bd3 14.cd3 a6 15.Re1) 11.0-0 a6 12.Qd3 Qe7 13.Rb2 b5 14.Rfb1 Qd7 15.Nd1.

6.Nc3 0-0 7.e3 d5 8.d4 Bg4 9.Be2 Qd6 10.Rb1 (10.0-0 a6 11.Rb1 b5 12.Qd3 Rfe8 13.a4 b4 14.Na2 Ne4 15.Rb2) 10...Rab8 (10...b6 11.Nb5 Qe7 12.0-0 a6 13.Nc3 Rfe8 14.h3 Be6 15.Bd3) 11.0-0 a6 12.Na4 Ne4 13.Nd2 Be2 14.Qe2 Nd2 15.Qd2.

6.Nc3 0-0 7.e3 d5 8.d4 Bg4 9.Be2 Qe7 10.0-0 (10.Rb1 Rab8 (10...b6 11.0-0 Rfe8 12.h3 Bf3 13.Bf3 Qe6 14.Nb5 Rac8 15.c4) 11.h3 Bf5 12.0-0 Rfe8 13.Bd3 Bd3 14.Qd3 a6 15.Qf5) 10...Rae8 (10...a6 11.h3 Bf5 (11...Be6 12.Bd3 Nb4 13.Rb1 b5 14.Qd2 Rae8 15.a4) 12.Bd3= Be4 13.Qe2 Rfe8 14.Rfb1 b5 15.Nd1; 10...Rfe8 11.Rb1 Rab8 12.h3 Bf5 13.Bd3 Bd3 14.cd3 a6 15.Re1; 10...Rab8 11.h3 Be6 12.Ne5 Ne5 13.de5 Ne4 14.Ne4 de4 15.Qd4) 11.h3 (11.Rb1 b6= (11...Rb8 12.h3 Bf5 13.Bd3 Be4 14.Nd2 Bd3 15.cd3) 12.h3 Bd7 13.Bd3 Nb4 14.Ne5 Nd3 15.cd3) 11...Bf5 12.Bd3 (12.Bb5 Rb8= 13.Bc6 bc6 14.Ne5 Qd6 15.Rb1) 12...Bg6 (12...Bd3 13.cd3 Qa3 (13...Nd8 14.Rb1 a6 15.Qc2) 14.Qb3 Qb3 15.ab3=; 12...Be4 13.Bb5 a6 14.Bc6 bc6 15.Nd2) 13.Bg6 (13.Rb1 Nd8= (13...b6 14.Re1 a6 15.Ba6) 14.Ne5 c6 15.Re1) 13...hg6 (13...fg6 14.Rb1 b6 15.Qd3= (15.Qe2=)) 14.Nd2 (14.Rb1 b6+= 15.Qe2) 14...Qb4 (14...a6 15.a3= (15.Rb1 b5 16.Qf3=)) 15.Ne2+= Na5 16.c3 (16.Rb1 Qa3+=) 16...Qa3 (16...Qb5 17.Rb1 Qc6 18.Qc2+=) 17.Qc2+= b5 (17...Qd6 18.Qa4 Qa6 19.Rfe1+=) 18.Rab1 (18.Rfb1 a6+=) 18...c6 (better 18...a6=) 19.Rb3 (better 19.Rb4 Nb7 20.Nf3+=) 19...Nb3-/+ 20.ab3 a5 21.f3? (better 21.Nb1 Qd6 22.Nd2-/+) 21...Re3-+ 22.Kf2 (22.Re1 Rfe8 23.Kf2 R3e6-+) 22...Rfe8 23.Ne4 (23.Re1-+) 23...Re2! (23...de4?! 24.Ke3 Nd5 25.Kd2 e3 26.Kd1-+) 24.Ke2 (24.Qe2 Ne4 Double attack (24...de4 Zwischenzug); 24.Ke2 de4 Zwischenzug) 24...de4 (24...Ne4?! 25.fe4 Re4 26.Kf2 Rf4 27.Kg1 Rf1 28.Kf1-+) 25.Ke3 (25.g3-+) 25...Nd5 26.Kf2 ef3 27.gf3 Ne3 (27...Ne3 28.Qb1 Nf1 29.Qf1 Qb2 30.Kg3 Qc3-+) 0–1. Jericon – Wall,Bill, internet, 2002.

6.Nc3 0-0 7.e3 d5 8.d4 Bg4 9.Be2 Re8 10.Rb1 Rb8 (10...b6 11.0-0 a6 12.h3 Bf3 13.Bf3 Qd6 14.Re1 Re7 15.Qd3) 11.0-0 a6 12.Qd3 Qd6 13.Rb2 b5 14.Rfb1 Ne7 15.Qd1.

6.Nc3 d5

7.d4 0-0 8.g3 Re8 9.Bg2 Bf5 10.0-0 h6 11.e3 a6 12.Nh4 Bh7 13.Ne2 Qd7 14.Rb1 b5 15.Nf4? g5-+ 16.Nd5 Nd5 17.Nf3 Nf6 18.Nd2? Rad8 19.Nb3 Ne7 20.Qe2? Ne4-+ 21.Be4 Be4 22.Nc5 Qd5 23.Rfc1? Bf3 24.Qd3 Ng6 25.Qb3? Bh1 26.Qd5-/+ Bd5 27.Ra1? Ra8-+ 28.c3 f5 29.a4 Bc4 30.Nd7 Kf7 31.Re1 Rad8 32.Nc5 f4 33.Na6-/+ fe3 34.fe3 Rd7 35.Nc5 Rde7=+ 36.Kf2 c6 37.e4 ba4=+ 38.Na4? Re4-+ 39.Re4 Re4 40.Nb6 Bd5 41.c4 Be6 42.d5 cd5 43.cd5 Bf5 44.d6 Nf8 45.Kf3? Rd4 46.Ra7 Ke6 47.Nc8 Nd7 48.h4 (48…Ne5 49.Ke3 Rd3 50.Ke2 Bg4 51.Kf1 Rd1 52.Kg2 Rd2 53.Kg1 Nf3 54.Kf1 Bh3#; 48.Ke3 Rd3 49.Ke2-+) 0–1. coloplayah (2060) – speedchess (2010), net–chess.com, 2007.

7.d4 Ne4 8.Nb1 Bg4 9.e3 0-0 10.Be2 Qd6 11.0-0 Rae8 12.Nbd2 Nc3 13.Qe1 Ne2 14.Qe2 Nd4 15.Qd1 Nf3 16.Nf3 f5 17.Qd4 Bf3 18.gf3 f4 19.Kh1 c5 20.Qc3 Qe5 21.Qc5 Qh5 22.ef4 Qf3 23.Kg1 Rf4 24.h3 Qh3 25.Qd5 Kh8 0–1. donex7 (1830) – forsetinn (2220), gameknot.com, 2014.

7.e3 0-0 8.Bb5 a6 9.Ba4 Bg4 10.Bc6= bc6 11.Rb1 c5 12.h3 Bf3 13.gf3 d4 14.Ne4 Ne4 15.fe4 de3 16.de3 Qe7 17.Qd5 Rfe8 18.Ke2 Rad8=+ 19.Qc4 Qe4 20.Qe4= Re4 21.Rhd1 Rde8 22.Rb7 Rc4 23.Rd2 Rh4 24.Rd7 Rh3 25.Rbc7 Rf8 26.Rc5 Rh6 27.Rb7 Rf6 28.c4 g6 29.f3 h5= 30.Rcc7 h4 31.c5 Kg7 32.Rb1 h3 33.Rh1 Rh8 34.Rh2 Rh5 35.e4 Re6 36.Ke3+= Ree5 37.c6 Rc5 38.Kf4 Kf6 39.Rc8 ½–½. gtate (1975) – michbarc (2480), net–chess.com, 2006.

7.e3 0-0 8.d4 a6 9.a4 Rb8 (9...Re8 10.Rb1+=) 10.Bd3= Bg4 11.h3 Bh5 12.Rb1 Re8 13.Ne2 (13.Be2 Qd6=) 13...Ne4 (13...Bf3 14.gf3 Qd6 15.c3+=) 14.c3 (14.0-0 Bf3 15.gf3 Ng5=) 14...Qf6 15.Be4 de4 16.Nd2 Ne7 (16...b5 17.g4 Bg6 18.Nf4=) 17.Ne4 (17.g4 Bg6=) 17...Qc6 (17...Qg6 18.N4g3 Be2 19.Ke2+=) 18.f3 (18.Qd3!?+=) 18...Nd5-/+ 19.Qd2 Qa4?? (better is 19...f5 20.N4g3 Re3-/+) 20.Nc5+/– Qc6 21.e4 Nf6 22.Nf4 (22.0-0 Bg6+/–) 22...Bg6 23.h4 (23.0-0 a5+/–) 23...h6 (23...b6 24.Ng6 hg6+= (24...bc5?? 25.Ne7 Re7 26.Rb8 Re8 27.d5+-)) 24.Ng6+/– fg6 25.Qa2 (25.0-0 a5+/–) 25...Kh7 26.Qb3 (26.0-0 Nd7 27.Nd7 Qd7+/–) 26...b5 (better is 26...b6 27.Na6 Ne4=) 27.Nd3?? (better is 27.Ra1 Ra8 28.Kf2+/–) 27...Ne4!-+ 28.Ne5 (28.fe4 Qe4 Double attack) 28...Qc3 (better is 28...Re5 29.de5 Qc5 30.fe4 Qe3 31.Kd1 Rd8 32.Qd5 Rd5 33.ed5 Qd3 34.Kc1 Qc3 35.Kd1 Qe5 36.Kc1-+) 29.Qc3 Nc3 30.Rc1 (30.Rb3 b4 31.f4 a5-+) 30...b4 31.Kd2 (31.Kf2 a5 32.Rhe1 Rb5-+) 31...Rb6 (31...c5 32.Rhe1 cd4 33.Nc6-+) 32.Nc4 (32.Rc3 bc3 33.Kc3 a5-+) 32...Rc6 33.Na5 (33.Ne5 Rd6 34.Rc3 Re5-+) 33...Rd6 (33...Re2 34.Kd3 Rce6 35.Nc4 Rg2 36.Rcg1-+) 34.Nb3 (34.Kd3 c5 35.Nb3 Rc8-+) 34...a5! 35.Rc3 (35.Na5 Rd5 Double attack (35...Rd4 Deflection; 35...Rd5 Decoy)) 35...bc3 36.Kc3 (36.Kd3 a4 37.Nc5 Red8-+) 36...Re3 37.Kc4 Re2 (37...Rb6 38.Nc5 Rb4 39.Kd5-+) 38.g4 (38.Na5 Rg2 39.Kd3 Rg3-+) 38...Rf2 (better is 38...a4 39.Na5 Rd2-+) 39.Rh3 (39.Na5 Rf3 40.Nb3-+) 39...a4 40.Nc1 (40.Na5-+) 40...Rc2 41.Kb4 (41.Kd3 Rc1 42.Ke3 c5-+) 41...Rc1 42.Ka4 (42.Ka3-+) 42...Rb6 (42...Rb1 43.Ka5 Rd8 44.f4 Ra8) 43.f4 Ra1 (43...Rcb1 44.Rb3 R1b3 45.f5 Rb1 46.fg6 Kg8 47.d5 Ra6) 44.Ra3 Ra6 (44...Rab1 45.Rb3 R1b3 46.h5 Rb1 47.hg6 Kg8 48.d5 Ra6) 45.Kb4-+ R1a3 46.d5 Ra1 47.Kc5 Rc1 48.Kd4 Rd6 (48...Ra4 49.Ke3 Rh1 50.Kf3 Rh3 51.Kg2 Rc3 52.h5 Ra2 53.Kf1 Rc1) 49.f5 Rd1 50.Ke4 R1d5 51.fg6 Kg6 52.h5 (52.Kf3 Rd2 53.Ke3 h5 54.Kf4 R6d4 55.Kf3 hg4 56.Kg3 c5 57.h5 Kg5 58.h6 R4d3) 52...Kg5 53.Ke3 (53.Kf3 Rd2 54.Ke4 R2d3 55.Ke5 Re3) 53...Kg4 (53...Rd2 54.Kf3 Re6 55.Kg3 Re3) 54.Ke4 (54.Kf2 Rd2 55.Ke1 Rb2 56.Kf1 Rd1) 54...c6 (54...Rd3 55.Ke5 Re3) 55.Ke3 Re6 (55...Rd2 56.Ke4 Re6) 56.Kf2 Rf5 (56...Rd1 57.Kg2 Re2) 57.Kg2 (57.Kg1 Re2 58.Kh1 Rf1) 57...Rf3 (57...Re1 58.Kh2 Rf2) 58.Kh2 Re2 59.Kg1 Kg3 60.Kh1 Rf1 0–1. Springis,Jevgenijs – Aliyev,Farid, European Youth Chess Championship U10, 2016.

7.e3 0-0 8.d4 a6 9.Bd3 Qd6=.

7.e3= 0-0 8.d4 a6 9.Be2 Qd6 10.0-0= Re8 11.a3 Bg4 12.Qd3 Ne7 13.Rfb1 Bf5 14.Qd2 b5 15.Rb3 (15…Rad8 16.a4=). Pachurka,Roland – Fischer,Ronald (1940), DESC, 2003.

7.e3 d4 8.Ne2 de3 9.fe3 0-0 10.Ned4 Nd4 11.Nd4 c5 12.Nf3 Bg4 13.Be2 Re8 14.0-0 Qc7 15.Rb1 Rad8 16.Kh1 (16.Ng5 Be2 17.Qe2 c4=+) 16...b6 (16...Re3 17.de3 Rd1 18.Rfd1-/+) 17.Qe1 Qd7?? (better 17...c4-/+) 18.Bb5+/- Qc7 (18...Qd5 19.Be8 Ne8 20.e4 Qa2 21.Qh4+/-) 19.Be8 Re8 20.Qg3?? (20.d3 c4+/-) 20...Qd7?? (better 20...Qg3 21.hg3 Ne4-/+) 21.Ne5+/- Qe6 22.Rf6! Qe5 (22...Qf6 23.Ng4 Deflection (23.Ng4 Remove defender; 23.Ng4 Overloading); 22...gf6 23.Ng4 Remove defender) 23.Qe5 (23.Qg4?! Qf6 24.Qa4 Re7=) 23...Re5 24.Rd6 g6 25.Kg1 Be6 26.Kf2 Re4 (26...Rf5 27.Ke2+/-) 27.d3 (27.d4!? cd4 28.Rd4 Bf5+-) 27...Ra4+/- 28.Rb2 (28.Ra1 Kf8 29.Rd8 Ke7+/-) 28...Ba2 29.c4 Ra3 30.e4 Kf8 31.e5 Ke7 32.Ke3 (better 32.Rf6+/-) 32...Bb1?? Attacks the backward pawn on d3 (better 32...Bc4 33.Rc2 Be6=+) 33.Rb1+- Ra2 34.Rf1 (34.Rf6 Ke8 35.Rbf1 Rg2 36.Rf7 Rh2 37.Ke4+-) 34...Ra5 (34...h6+-) 35.Rdf6 Ra3 (35...Ra2 36.Ke4 Kf8+-) 36.Rf7 Kd8 37.Rh7 Kc8 (37...Ke8 38.Rff7 Ra1 39.Rb7 Re1 40.Kf2 Rf1 41.Kf1 b5 42.Rh8) 38.Rf8 1-0. caspiwins (2550) - ElTemplario (2315), Rated Bullet game, lichess.org, 2016.

5.Bc3 Bc5

6.d4 Bb4 7.d5 Bc3 8.Nc3 Ne7 9.e4 d6 10.Be2 0-0 11.0-0 Qd7 12.a4 c5 13.a5 a6 14.Na4 b5? 15.Nb6+- Qb7 16.Na8 Qa8 17.e5 Nfd5 18.ed6 Nf5 19.c4 Nc3 20.Qc2 b4 21.Bd3 Nd4? 22.Nd4+- cd4 23.Bh7 Kh8 24.Bd3 Qc6 25.Rfe1 Bb7 26.f3 Re8?? 27.Re8 Qe8 28.Qd2 b3 29.Qf4 b2 30.Qh4 Kg8 31.Qh7 Kf8 32.Qh8# 1–0. Vaast,Jean Philippe – Rivolo,Jean Guillaume, Sainte Marie op, 2005.

6.d4 Bb6 7.e3 d5 8.Bb5 0-0 9.Nbd2 Qd6 10.0-0 Ne7 11.Rb1 c6 12.Bd3 Bg4 13.Bb4 Qd8 14.h3 Bh5 15.g4 Bg6= 16.Ne5 Bd3=+ 17.Nd3 h6 18.c4 Re8 19.c5 Bc7=+ (20.Qf3 Ng6=+). Gonzales Esteban,Amalia – Malmstroem,Jan, HFK.038.01 TSC, 2002.

6.d4 Be7 7.d5 Nb4 8.Bf6 Bf6 9.c3 =.

6.e3 0-0 7.Be2 d5 8.h3 Re8 9.d4 Bd6 10.0-0 Ne4 11.Bb2 Qf6 12.c4 dc4 13.Bc4 Bf5 14.Nbd2 Nd2 (14...Rad8 15.Ne4 Be4 16.Nd2=) 15.Nd2 Qg6 16.Qf3 Bb4 17.Nb3 Bd6 18.Nd2 Bb4 19.Nb3 Be4 20.Qg4 Qg4 21.hg4 Na5 (21...Rad8 22.a3 Bf8 23.Rac1=) 22.Na5 Ba5 23.f3 Bc6 24.e4 White intends d5 24...Rad8 25.d5 (25.Kf2 Bb6 26.Rfd1 Ba4+=) 25...Bb6 26.Kh2 Ba4 27.Rfe1 White prepares the advance e5 27...Rd6 (27...c6 28.Bb3 Bb3 29.ab3 cd5 30.ed5 Re1 31.Re1=) 28.e5 Rh6 (28...Rdd8 29.Kg3+=) 29.Kg3+= Bc5 30.e6 (30.Rab1 Rb6 31.Bc3 Rb1 32.Rb1 b6+=) 30...fe6= 31.de6 c6 (better 31...Be7!? 32.Rh1 Rh1 33.Rh1 b5=) 32.g5 Bd6? (better 32...Rg6 33.e7 Kh8+-) 33.f4 (33.Be5 Rg6 34.e7 Kh8 35.Bd6 Rd6+-) 33...Rg6 34.e7 Kh8 35.Bf7 Rg5 (35...c5 36.Bg6 hg6 37.Re6+-) 36.Kf3 (36.Kh3 Re7 37.Re7 Be7+-) 36...Rf5?! (36...Re7 37.Re7 Be7 38.fg5 Bg5+-) 37.Be8 Rf4 38.Ke3 Bb5 (38...Rb4 39.Kd3 Rb2+-) 39.Bd7 1-0. reza95 (2110) - HunterKing (2290), Rated Classical game, lichess.org, 2016.

5.Bc3 d5

6.e3 0-0 7.Bb4 Nb4 8.a3 Nc6 9.d4 a6 (9...Ne4!?-/+) 10.Bd3+= b5 11.0-0 Re8 12.h3 Ne4 13.Nfd2 (13.c3 Bf5=) 13...Qg5 14.Kh2 f5 15.Ne4 fe4 16.Be2 Rb8 17.c3 (17.Bg4 Ne7+=) 17...Re6-/+ 18.Rg1 (18.f4 ef3! 19.Rf3 Na5-/+ (worse is 19...Re3 20.Qd2 Bh3 21.gh3+=)) 18...Rh6 19.Nd2 Bd7 20.Nf1 (20.Qe1 Na5 21.f4 ef3 22.Bf3-/+) 20...Qf5 21.g4 (21.Kh1 Qf2 22.Bg4 Be6-+) 21...Qf2 22.Rg2 Qh4 23.Qe1 Qh3 0–1. zd3nik (1875) – uberlebende (2105), gameknot.com, 2014.

6.e3 0-0 7.Bb5 Bc3 8.Nc3 Qd6 9.0-0 a6 10.Ba4 b5=+ 11.Bb3 Ne7 12.h3 c5 13.d3 Bb7 14.Ne2 Rad8 15.c3= c4 16.dc4 dc4-/+ 17.Qd6 Rd6 18.Bc2 Bf3-+ 19.gf3 Rd2 20.Nd4 Ned5 21.Rfc1 Nc3 22.Bh7 Kh7 23.Rc3 Nd5 24.Rcc1 Nb4 25.a3 Nd3 26.Rd1 Rd1 27.Rd1 Kg6 28.Kf1 Rh8-+ 29.Kg2 Rh3! 30.Ne2 Rh8 31.Nc3 Kf5 32.Kf1 Rh1 33.Ke2 Rd1 34.Kd1 Nf2 35.Ke2 Nd3 36.Nd5 a5 37.Nc3 b4 38.ab4 ab4 39.Na2 g5 40.Kd2 g4 41.fg4 Kg4 42.Ke2 Kg3 43.Kd2 Kf3 (44.Nb4 Nb4-+) 0–1. wlittle (2100) – atotingue (1990), net–chess.com, 2005.

6.e3 Bd6 7.Be2 0-0 8.d3 Re8 9.0-0 Ng4 10.h3 Nge5 11.Re1 Qf6 12.Nh2 Qh4 13.Bf1 Bd7 14.d4 Ng6 15.Nf3 Qf6 16.Nbd2 Bf5 17.a3 a6 18.Bb2 b5 19.c3 Na5 20.a4 Nc4 21.Nc4 bc4 22.Ba3 Ba3 23.Ra3 Rab8 24.Be2 Rb2-/+ 25.Nd2 Qe7 26.Ra1=+ Reb8 27.e4 Bh3 28.Bf1 Qg5 29.Nf3 Qg4 30.Nh2 Qf4 31.Qf3 Be6 32.Qf4 Nf4 33.ed5 Bd5 34.g3 Ne6 35.Ng4-/+ Ng5 36.Bg2 Nf3 37.Bf3=+ Bf3 38.Ne5 Bd5 39.Ng4 Kf8 40.Ne3 c6 41.Nd5 cd5 42.Re5 Rc2 43.Rd5 Rc3 44.Rc5 Rc2 45.Re1 g6 46.d5 Rbb2 47.d6 Rd2 48.Rc4 Rd6 49.Rf4 Rdb6 50.Kg2 R6b4 51.Ree4 Re4 52.Re4 Ra2 53.g4 Kg7 54.Kg3 a5 55.f3 g5 56.Re5 Ra4 57.Rg5 Kf6 58.Rh5 Kg6 59.Rb5 f6 60.Rc5 Ra1 61.Kg2 a4 62.Ra5 a3 63.Kf2 a2-+ 64.Kg2 h6 65.Kf2?? Rh1 (66.Ra7 a1Q 67.Ra1 Ra1-+) 0–1. Larios Villa,Francisco Javier (1970) – Gella Lopez,Angel (2130), Cto Autonomico Equipos, 2006.

6.Bb4 Nb4

7.a3 Nc6 8.e3 0-0 9.Bb5 Qd6 10.d4 Bg4 11.0-0 Ne4 12.h3 =.

7.a3 Nc6 8.e3 0-0 9.d4 Bg4 10.Bd3 Ne7 (10...Re8!?+=) 11.Nbd2= Ng6 12.Qb1 Rb8 13.0-0 Qe7 14.Rc1 Ne4 15.c4 dc4?? (better is 15...Nf6+=) 16.Be4+- (16.Ne4?! cd3 17.Qd3 Bf3 18.gf3 Nh4+=) 1–0. aspasio – lovecraft, net–chess.com, 2013.

7.c3 Nc6 8.e3 0-0 9.Bb5 Bg4 10.d4 Ne7 11.Nbd2 Bf3 12.Nf3 c5 13.dc5 Rc8 14.Qd4 Ne4 15.Nd2 (15…Rc5 16.Ne4 Rb5 17.Nd2=). Haertig,Manfred – Wagner,Stefan, ESC, 2000.

7.c3 Nc6 8.e3 0-0 9.d4 Ne4 10.Nbd2 Nc3 11.Qc2 Ne4 12.Ne4 Bf5 13.Nfd2 de4 14.Rb1 Rb8 15.h3 Re8 16.Bb5 Qg5 17.Bc6 Qg2 18.Be8+/– Qh1 19.Ke2 Qh3?? 20.Bf7!+- Kh8 21.Qc7 Bg4 22.Ke1 Qh1 23.Nf1 Rc8 24.Qb7 Qf3 25.Ng3 Rf8 26.Qe7 Rc8 27.Ne4 Qe2# 0–1. Haertig,Manfred – Landsmann,Gerhard, ESC, 2000.

7.c3 Nc6 8.h3 Bf5 9.e3 0-0 10.d3 (10.Be2 Re8=+) 10...Re8 11.Be2 h6 12.0-0 Ne5 13.Ne5 Re5 14.Nd2 Qd7 15.g4 (15.d4 Re6=) 15...Bg6=+ 16.Nf3 Re7 17.Qb3 b6 18.Rfd1 c5 19.Rd2 Rae8 20.a4 h5 21.g5 Nh7 22.Kg2 (22.a5 b5=+) 22...d4 (22...Qf5!? 23.h4 Qg4 24.Kh2 d4 25.cd4 cd4=+) 23.cd4= cd4 24.e4 (24.Nd4 Ng5 25.Rh1 Ne6 26.Ne6 Re6=) 24...Kh8 (24...Nf8!?=+) 25.Qb5 Qc7 (25...Qd8 26.a5 Re5 27.Qb2 Ra5 28.Ra5 ba5 29.h4+=) 26.Qb3 (26.a5!?+=) 26...Qf4= 27.h4 (27.Qd5 Re5 28.Ne5 Qd2 29.Nf7 Bf7 30.Qf7 Qg5 31.Kf1 Rf8 32.Qh5 Qf4=) 27...f6 (27...Qg4 28.Kh2 Nf8-/+) 28.Qb5 (28.gf6 Nf6 29.Qb2 Rf8 30.Qd4 Ne4 31.de4 Be4-/+) 28...fg5 (28...f5 29.e5 Re5 30.Ne5 Re5-/+ (30...Qe5? 31.Qe5 Re5 32.Rc1+-)) 29.hg5=+ Re5 Can g5 get defended? (29...Rf8 30.Rg1=+) 30.Qb4 (30.Ne5 Re5 (30...Qg5?! 31.Kf1 Re5 32.Qb4=) 31.Qb2 Be4 32.de4 Qe4 33.Bf3 Rg5 34.Kf1 Qf3 35.Qd4 Nf6-/+) 30...Rg5 (better 30...Re4!? 31.de4 Be4-/+) 31.Ng5= Ng5 32.Rb2 Rf8 Threatening mate: Qxf2 33.Qd4 Nf3 Do you see the mate threat? 34.Bf3 Qf3 35.Kg1 Rf4 36.Re1 Qg4 (better 36...Kh7!? 37.Qe3 Rg4 38.Kf1 Be4 39.Qf3 Bf3=+) 37.Kf1+= h4 38.f3 Bh5 (38...Rf3 39.Ke2=) 39.Re3 Rf3 (39...Qh3!? 40.Ke1 Qh1 41.Kd2 Qg2 42.Re2 Qf3=) 40.Rf3+= Qf3 41.Kg1 h3 42.Qd6 Qe3 (42...Kh7!? 43.Kh2 Bg4+-) 43.Kh2+- Bf3 (43...Be2 44.Qf8 Kh7 45.Qf5 g6 46.Qh3 Qh3 47.Kh3 Bd3 48.e5+-) 44.Qg3 (44.Rc2!? Bd1 45.Qf8 Kh7 46.Qf5 g6 47.Rc7 Kh6 48.Qh3 Qh3 49.Kh3 Ba4 50.Ra7 Bc2+-) 44...Qd3+- 45.Rf2 Be4?? (better 45...Be2 46.Qd3 Bd3+-) 46.Rf8+- (46.Qh3 Qh3 47.Kh3 Bc6=+) 46...Kh7 47.Qh4 (47.Qh4 Kg6 48.Qg4 Kh6 49.Rh8 Bh7 50.Qh4 Kg6 51.Qh7 (51.Rh7?! Qf3 52.Qh3 Qf2 53.Kh1 Qe1 54.Kg2 Qe2 55.Kg3 Qe3 56.Kg4 Qe4 57.Kg3 Qe3 58.Kg4 Qe4 59.Kg3 Qe3=) 51...Kf6 52.Qd3 Ke7 53.Qd8 Ke6 54.Re8 Kf7 55.Qd7 Kf6 56.Re6 Kg5 57.Qd5 Kf4 58.Re4 Kf3 59.Qf5; 47.Qh3 Qh3 48.Kh3 Bc6=+) 1–0. petrobbo (1965) – FritzLange (2310), ChessWorld.net, 2012.

7.e3 0-0 8.Nc3 Bf5 9.d3 c5 10.Be2 d4 11.ed4 cd4 12.Nb1? Rc8-+ 13.Na3 Qa5 14.Nc4 Nc2 15.Kf1 Rc4 16.dc4 d3 17.Bd3 Bd3 18.Kg1 Na1 19.Qd3 Rd8 20.Qb1 Qa2! (21.Qe1 Nc2-+) 0–1. ismaelarango – spereira (1840), internet, 2005.

5.Bc3 Qe7

6.e3 0-0 7.a3 Bc3 8.Nc3 d6 9.Be2 Re8 10.0-0 a6 11.d4 b5 12.Qd3 =.

6.Bb4 Qb4 7.Nc3 a6 8.e3 d5 9.Be2 0-0 10.0-0 Qd6 11.d4 Bf5 12.Bd3 Bg4 13.h3 Bh5 14.Be2 Rfe8 15.Re1 Bg6 16.a3 Ne4 17.Ne4 Be4 18.c4 (18.Nd2!?=) 18...Bf3+= 19.Bf3 dc4 20.Qc2 b5 21.a4 Nb4 22.Qd2 c6 23.Reb1 Nd5 24.e4 Nb6 25.a5 Nd7 26.Rd1 Rab8 27.Rab1 c5 28.e5 Qe7 29.Bc6 Red8 30.f4 cd4 31.Qd4 Nc5 32.Qe3 Nd3 (better is 32...Rbc8 33.Bf3 Nb3-+) 33.Qf3? (better is 33.Be4-/+) 33...Qc5 34.Kh2 Rd4 35.Be4 Rbd8 36.Bb7? (better is 36.Qe3 Qc7 37.Bd3 Rd3 38.Rd3 Rd3 39.Qe4-+) 36...Rf4?? (better is 36...c3 37.Be4 Qc4 38.Bd3 Rd3-+) 37.Qf4!+/– c3?? (37...Nf4 38.Rd8 Pinning (38.Rd8 Deflection; 38.Rd8 Decoy)) 38.Rbc1! (worse is 38.Ba6 Qe7 (38...Nf4?? 39.Rd8 Qf8 40.Rf8 Kf8 41.Bb5+-) 39.Rd3 Rd3 40.Rb5 h6+-) 38...Rd4?? (38...Nc1 39.Rd8 Pinning (39.Rd8 Deflection; 39.Rd8 Decoy)) 39.Qe3 Qc4 40.Rc2 (better is 40.e6 Qc7 41.g3 fe6 42.Qe6 Qf7 43.Qc8 Qf8 44.Rc3 Qc8 45.Bc8+-) 40...Qb3 1–0. Macedo,A Soares De (1825) – Correia,Max Do Carmo (1995), 4th Memorial Bobby Fischer, 2013.

5.Bc3 Be7

6.e3 0-0 7.Be2 d5 8.0-0 Re8 9.Bb2 Bf5 10.Nh4 Be6 11.Nf3 Bc5 12.d4 Bd6 13.Nbd2 Na5 14.Rc1 Ne4 15.c4 Nd2 16.Nd2 Nc4 17.Nc4 dc4 18.Bc4 c6 19.Bd3 Ba2-/+ 20.Qh5 g6 21.Qh6 a5 22.Bc4 Bc4-+ 23.Rc4 Re4 24.d5?? Bf8 (25.Qf8 Kf8 26.Re4 Qd5-+) 0–1. shoulders – oldsage, ChessWorld.net, 2006.

6.e3 0-0 7.Be2 Re8 8.0-0 d5 9.d4 a6 (9...Ne4 10.Bb2+=) 10.Bb2 b5 11.a4 b4 12.c4 (12.Nbd2 Bd6=) 12...dc4 (12...Ne4 13.Nbd2 Bf5 14.cd5 Qd5 15.Bc4=) 13.Bc4= Na5 14.Bd3 Bb7 15.Nbd2 h6 (15...c5 16.Qe2=) 16.Re1 (16.Qc2 Rb8+=) 16...c5= 17.Nc4 Nd7 18.e4 (18.Rc1 Nc4 19.Bc4 Nb6=) 18...cd4+= 19.e5 Bc5 (19...Nc5 20.Na5 Qa5 21.Nd4+=) 20.Na5+= Qa5 21.Bc4 Nb6 22.Bb3 Bd5 23.Qd3 (23.Bd4? Bf3 24.gf3 Rad8-+) 23...Rad8 24.Nd2 Re6 (24...Re7 25.Rec1 Re5 26.Bd5 Nd5 27.Nb3+=) 25.Bc2= Rg6 (25...Kf8!?=) 26.Nb3+= Bb3 27.Bb3 Nd5 28.Qf3 d3 29.Red1+- Kh8 30.Rd3 Nc3 31.Bc3 bc3 32.Qf7 Rg5 33.Rd5 Rd5 34.Qd5 Bf2 35.Kf2 Qb6 36.Ke2 Qb8 37.Kf1 Re5 38.Qc4 Rf5?! 39.Kg1 Rh5 40.h4 1–0. Ahrens,Gerhard (2235) – Floegel,Peter (2180), CiF, 2006.

6.e3 0-0 7.Be2 Re8 8.0-0 d5 9.Bf6 Bf6 10.d4 Bg4 11.Nbd2 Qe7 12.c3 =.

6.e3 d5 7.d4 (7.Be2 0-0+=) 7...Bf5 (7...0-0 8.Bd3+=) 8.a3 (8.Bd3 Ne4+=) 8...Ne4 9.Be2 (9.Bd3 0-0+=) 9...0-0 10.0-0 Bf6 (10...Qd6 11.Bb2+=) 11.Nfd2= Nc3 12.Nc3 Na5 (12...Ne7 13.Rb1 b6 14.Bg4=) 13.Nb3 (13.Bd3 Be6=) 13...Nc4 (13...c6 14.Bd3 Bd3 15.cd3=) 14.Bf3 (14.e4!? Be6 15.ed5 Bd5 16.Nd5 Qd5 17.Bf3+=) 14...c6+= 15.Re1 (15.e4 de4 16.Ne4 Re8+=) 15...Na5 (15...Be7 16.Qc1+=) 16.Qc1 (16.Rb1 Rb8=) 16...Re8+= 17.Na5 (17.Ne2 Nb3 18.cb3 Bh4+=) 17...Qa5 18.Qb2 Rad8 19.Rec1 h6 (19...b6 20.Qb4 Qa6 21.Be2+=) 20.Qb4 (20.Ne2 Rd7=) 20...Qc7+= 21.Rab1 (21.Ne2 Be7 22.Qb2 Bd6+=) 21...b6 (21...Rd7 22.Ne2+=) 22.h3 (22.Ne2 Be7 23.Qc3 Bd6+=) 22...Be7-/+ 23.Qb2 (23.Qa4 b5 24.Qb3 Bd6-/+) 23...Bd6 (23...Qd6 24.Ra1-/+) 24.Ne2 (24.Na2 Re7+=) 24...Qe7-/+ 25.Ra1 Be6 (25...Qg5 26.c4-/+) 26.c3 (26.c4 Qg5+= (worse is 26...dc4 27.Bc6 Rf8 28.d5+=)) 26...Qf6 (26...Rc8 27.Nf4-/+) 27.c4+= Bb8 (27...Bh3 28.cd5 c5 29.Qc3+=) 28.Qc3 (better is 28.cd5!? cd5 29.Nc3=) 28...Bh3!-/+ 29.Bd5? (29.gh3 Qf5 Double attack (29...Qf3 Deflection; 29...Qf5 Decoy; 29...Qf3 Overloading)) 29...cd5 (29...Bg4 30.f3 cd5 31.fg4-+) 30.gh3 Qf3 31.Nf4 (31.Kf1 Qh1 32.Ng1 Rc8-/+) 31...g5 (better is 31...dc4 32.Qc4 Bf4 33.ef4 Qh3-+) 32.Nd5+= Qh3 33.Nf6?? (better is 33.Rc2 Bh2 34.Kh1-/+) 33...Kh8-+ 34.Ne8 (34.Ng4 Qg4 35.Kf1-+) 34...Bh2 35.Kh1 Bg3 0–1. Kennis,Maarten – De Ridder,Dieter (1900), Belgian Junior Chess Championships –2009.

5.Nc3 Ne5

6.Ne5 Bc3 7.dc3 d6 8.Nf3=+ 0-0 9.Qd4 b6 10.e3=+ Bb7 11.Bd3 c5 12.Qf4 d5 13.0-0-0 Qd7 14.h3 c4 15.Bf5 Qa4 16.Nd4 Qa2-/+ 17.Kd2 Qa3 18.Ra1 Qc5 19.g4 Bc8 20.g5=+ Nh5 21.Qg4 Bf5 22.Nf5 g6-/+ 23.Nh6 Kg7 24.Qf3? a5 25.Nf5-/+ Kh8 26.Nd4 Kg8 27.Rhb1 Rfd8 28.Rb5 Qd6 29.Nf5 gf5 30.Qh5 f4 31.Rab1 Rab8 32.Qf3=+ Kg7 33.Qf4+= Qf4 34.ef4 d4 35.Rb6 Rb6 36.Rb6 d3 37.Ra6 dc2 38.Kc2 Rd5 39.h4 Rf5= 40.h5 Rf4 41.h6 Kf8 42.Rf6?? Rg4?? 43.Rf5+= a4 44.Kb2 Ke7 45.Ka3 Ke6 46.Rc5 f6 47.Rc6 Ke7?? 48.gf6+- Kf7 49.Ka4 Rf4+/– 50.Rc7 Kf6? 51.Rh7+/– Kg6 52.Rc7 Kh6 53.Kb4 Kg6 54.Rc4+- Rf2 55.Rd4 Kf6 56.Kc5 Ke6? 57.c4+- Rc2 58.Kc6 Ke7 59.c5 Rc1 60.Rd5 Ke6 61.Rd6 Ke7 62.Kb6 Rc2 63.Rd4 Rc1 64.c6 Rc2 65.Rd7 Ke8 66.Kb7 Rc1 67.Rd5 Ke7 68.c7 Rb1 69.Kc6 Rc1 70.Kb7 Rb1 71.Kc8 Rc1 72.Rd7 Ke8 73.Rh7 Rc2 74.Rh6 Ke7 75.Rb6 Rc1 76.Kb8 Kd7 77.Rb7 (77.Rb7 Rc7 78.Rc7 Ke6 79.Ka8+-) 1–0. mic (2135) – jumpnmustang (2415), net–chess.com, 2007.

6.Ne5 Qe7 7.Nd5?? (better is 7.Nf3-/+) 7...Nd5-+ (7...Qe5?! 8.Nb4 d6 9.Nd3+=) 8.Nd3 (8.Nf3 0-0-+) 8...Nc3! 9.dc3 (9.Qc1 Ba3 10.Nb2-+) 9…Bc3 (9...Bc3 10.Qd2 Bd2 11.Kd2 d5-+) 0–1. Ciucurel R Sorin,Marius (2110) – Matei,Cornel (1800), CFriend AT–2004–0-00119 email, 2004.

5.c4 Ne5

6.Ne5 0-0 7.e3 Re8 8.Nf3 d5 9.cd5 Qd5 10.Be2 Bf5 11.0-0 Rad8 12.d4 c5 13.a3 Ba5 14.dc5 Qc5 15.Qb3 Be6 16.Qb7 Qc2 17.a4 Qe2 18.Na3 Bc3 19.Rac1 Bb2 20.Rce1 Bc8 21.Qa7 Qd3 22.Nb5 Bc3 23.Rc1 Bd2 24.Nd2 Qd2 25.Nd4 Rd4 26.ed4 Bg4 27.Qc5 Qe2 28.a5 h6 29.a6 Bf5 30.a7 Be4 31.Qc6 Bc6 32.d5 Bd5 33.f3 0-1. James_Flynn (2060) - Varinius (2515), Rated Bullet game, lichess.org.

6.Ne5 Ne4 7.Qc2 Nf2 8.Kf2? (better is 8.Qf5!? Qe7 9.Kf2-/+) 8...Qh4 9.Kf3?? Qf6 10.Ke4 d5! 11.Kd4 Qf4 12.e4 Qf2 (12...Qf2 13.Kd3 de4 14.Ke4 Bf5 15.Kd5 Qc5) 0–1. Simon de Balle – Neinsah, ChessWorld.net, 2005.

6.Ne5 Qe7 7.Nf3 (7.Nd3 0-0=+) 7...0-0-/+ 8.e3 (8.a3 Bc5-/+) 8...Ne4 (8...d6-/+) 9.Bd3-+ Qf6 10.Be4 Qa1 11.Qc2 h6 12.0-0 Qf6 13.a3 Ba5 (13...Be7 14.d4-/+) 14.d4 Qe7 (14...Re8 15.Bh7 Kh8 16.Qf5-/+) 15.Bd3 (15.Rd1 d6-/+) 15...Kh8 16.Qb3 b6 17.Nbd2 (17.Nc3 Bb7 18.Nd5 Bd5 19.cd5 Rfe8-/+) 17…Bb7 (18.Rb1 Rfe8-/+) 0–1. Icic,Mladen – Jacewicz,Grzegorz, corr 3GMM–27, 1996.

5.e3

5.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Nf3).

5.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 Nc6).

5.e3 0-0 6.Be2 d5 7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

5.Bf4 d5

6.c3 Be7 7.Qa4 Nh5 8.Be3 0-0 9.Na3 Re8 10.Rb1 Bf6 11.Bc5 Re4 12.Qb5 Nf4 13.e3 Ne6 -/+.

6.e3 0-0 =+.

5.Bf6 Qf6

6.c3 Be7 7.d4 d5 8.e3 0-0 9.Bd3 Qh6 10.Qb3 Rd8 (10...Qh5 11.0-0 Rb8 12.Nbd2 Re8 13.c4 Be6 14.Rfb1=; 10...Qe6 11.0-0 a5 12.Nbd2 a4 13.Qc2 Qh6 14.Rfb1=; 10...Qd6 11.0-0 Re8 12.Nbd2 a5 13.c4 Nb4 14.c5=) 11.Nbd2 (11.0-0 Rb8 12.Nbd2 Be6 13.Qc2 Re8 14.Rfe1=) 11...Na5 (11...Rb8 12.0-0 Na5 13.Qc2 Be6 14.Rfe1=) 12.Qc2 (12.Qb2 Be6 13.0-0 a6 14.e4=) 12...b6 (12...Be6 13.0-0 Bd6 14.e4=) 13.0-0 (13.e4 Be6 14.Nb3=) 13...c5 14.e4 (14.Rab1=) 14...c4 15.Be2 Be6 16.ed5 Bd5 17.Ne5 Bg5 18.Ng4 Qd6 19.Rad1 Bf4 20.Bf3 Bc6 21.Bc6+= Qc6 22.Rfe1 Re8 23.Nf3 Qd5 24.Ne3 Qd7 25.Ne5 Qe6 26.Nf5 g6 27.Ng3 Rad8 28.Re4 Be5 29.Re5 Qd7 30.Re3 Nb7 31.Ne4+= Re6 32.Rde1 b5= 33.a3 a5 34.Qe2 Qd5 35.Qf3 Kg7 36.Rb1 Rb6 37.h3 h6 38.Rb2 Qd7 39.Qd1 Re6 ½–½. Milde,Lars (1890) – Baer,Werner (1870), TT–12.50 ETC, 2004.

6.c3 Be7 7.e3 0-0 8.Nd4 (8.d4!?-/+) 8...d5 9.Be2 (9.Qf3-/+) 9...Nd4 (better is 9...Qg6!?-+) 10.cd4-/+ Qg6 (10...c6 11.0-0+=) 11.0-0 Bf5 12.Bh5 Qb6 (12...Qe6 13.Nc3+=) 13.Nc3 c6 14.Bg4 Bg6 15.f4 h6 16.f5 Bh7 17.Ne2 Qc7 18.Nf4 Rfe8 19.g3 Qd6 20.Rc1 Qa3 21.Qc2 Qd6 22.Be2 Rad8 (22...Rac8 23.Bd3=) 23.Nh5+= Bf8 24.Bd3 Rc8 25.Rf4 (25.f6 Bd3 26.Qd3 g6+=) 25...Qa3 26.Rg4 Kh8 27.Nf4 Qd6 28.Qb1 Rb8 (28...Qb4 29.f6 Qb1 30.fg7 (worse is 30.Bb1 g5 31.Bh7 Kh7-/+; 30.Rb1?! Rc7+=) 30...Bg7 31.Rb1+=) 29.Nh5+/– Qa3 30.Rc3 Qa5 31.Qc2 (31.Ng7 Bg7 32.f6 Bf6 33.Bh7 Qd8+/–) 31...Rec8 (31...f6 32.Qb2+=) 32.Qb2 (32.Rb3 Re8+/–) 32...b5+= 33.Rb3 b4 34.Kg2 (34.Qa1 Rb7+=) 34...Qb6 35.Qc2 c5 36.dc5 Qc5 (36...Rc5!? 37.Qb1 d4 38.Rd4 Qc6 39.Kh3 Re5+=) 37.Qc5+/– Rc5 (37...Bc5 38.Rg7 Rc7 39.Rg4+/–) 38.Rgb4+- Rb4 39.Rb4 Bg8 (39...Ra5 40.Rb8 Kg8 41.Nf4 Bf5 42.Bf5+-) 40.Rb8+- Bd6 41.Ra8 (better is 41.Rd8 Bc7 42.Rd7+-) 41...Ra5? (better is 41...Rc1 42.f6 g5+-) 42.f6+- g6 (42...g5 43.Bg6 Rb5 (43...fg6?? 44.f7 Bf8 45.Rf8 gh5 46.fg8Q) 44.Bf7 Rb8 45.Ra7 Bc5+-) 43.Bg6 (43.Bg6 Rb5 44.Bf7+-) 1–0. marekt (2190) – yulio (1970), gameknot.com, 2014.

6.c3 Be7 7.g3 d5 8.a4 a6 (8...0-0 9.Bg2-/+) 9.Na3 0-0 10.Bg2 Bg4 (10...h6 11.0-0+=) 11.0-0 Rfe8 12.Nc2 Bd6 (12...Qd6 13.Ne3 Be6 14.Rb1+=) 13.Ne3= Be6 14.a5 Rab8 15.Qa4 Qh6 16.Rfb1 Bd7 (16...Qh5!?=) 17.Nd5+= Ne5 18.Qc2 Nc4 19.Qa2 Na3 20.Re1 c6 21.Nb6 Be6 22.Qb2 Nc4 23.Nc4 Bc4 24.e4 Bd3 (24...b6 25.ab6 Bc5 26.b7+-) 25.Re3+- Bb5 (25...Be4?? 26.Rae1+-) 26.e5 Bc5 (26...Bc7 27.d4+-) 27.d4 Ba7 28.h4 Bc4 29.Ng5 f6 (29...b5 30.Rae1 Rbc8 31.Be4+-) 30.Qb4 fg5 31.Qc4 Kh8 32.hg5 Qg5 33.f4 Qe7 34.Be4 Rbd8 35.Kg2 h6 (35...Qe6 36.Qd3 h6 37.Rb1+-) 36.Rf3 Qe6 (36...Bb8 37.Rb1 Rd7 38.Rf2+-) 37.Qe6 Re6 38.f5 Ree8 (38...Re7 39.f6 Rc7 40.e6+-) 39.f6 (39.f6 gf6 40.Rf6 Bd4 41.Rh6 Kg8 42.Rg6 Kf7 43.Rf1 Ke7 44.cd4 Rd4 45.Bf5 Rd2 46.Rf2 Rf2 47.Kf2+-) 1–0. marekt (2140) – phildo (1900), gameknot.com, 2014.

6.g3 Qa1 7.a3 (7.c3 Bc5-+ (7...Be7 8.Qc2 d6 9.Bg2 Be6 10.a3 Qa2 11.Qa2 Ba2-+) 8.Qc2 (8.Qb3 Na5 9.Qc2 Nc4 10.Bg2 d5 11.0-0 Qb2-+) 8...d6 9.a4 d5 10.d4 Bd6 11.Nfd2 Bd7-+) 7...Ba3 8.Na3 Qa3 9.e3 (9.Bg2 a5 10.0-0 0-0 11.c3 Re8-+) 9...0-0 (9...a5 10.Bg2 0-0 11.0-0 a4-+) 10.Bg2 a5 11.0-0 (11.h3 a4-+; 11.c3 d6-+) 11...a4 12.Qa1 (12.c3 d6-+) 12...Qa1 13.Ra1 a3 14.Ne1 d6 15.Nd3 (15.d4 Bf5-+) 15...Bf5 16.e4 Be6 17.f4 a2 18.f5 Bc4 19.Bf1 Nd4 (19...Nd4 20.Nc1 Nc2 21.Bc4 Na1 22.Ba2 Ra4-+) 0–1. Fischer,Hermann – Woschkat,Karl_Heinz, THT (year?).

6.c3 0-0

7.d4 Ba5

8.e3 d5

9.Bd3 Bg4 10.0-0 Ne7 11.Be2 Bf3 12.Bf3 c6 13.a4 Nf5 14.Qb3 Nd6 15.Nd2 Rfe8 16.Qc2 Bc7 17.c4 dc4 18.Nc4 Nf5 19.Rab1 Re6 20.Ne5 Be5 21.de5 Qe5 22.Rb7 Nh4 23.Qe2 Rd6 24.Rb4 Nf3= 25.Qf3 Qd5 26.Rc1 g6 27.Qd5 Rd5 28.g4 Rc8 29.Kg2 h5 30.h3 Kg7 31.Rbc4 hg4 32.hg4 Ra5 33.Rd1 Rc7 34.Rd6 Kf8 35.f4 Ke7 36.Rdd4 c5 37.Rd5+= Ra6 38.Kf3 f6 39.f5 gf5 40.gf5 Rd6 41.Rdc5+/– Rc5 42.Rc5 Ra6 43.Rc4 Ra5 44.e4 Kd6 45.Kf4 Re5 46.Rd4 Ke7 47.Ke3 Rc5 48.Kd2 Rc6 49.Kd3 Rc7 50.Rd5 Rc6 51.Kd4 Ra6 52.a5 Rc6 53.Rc5 Ra6 54.Kc4 Kd6 55.Kb4 Ke7 56.Kb5 Rd6 57.Rc7 Kd8 58.Ra7 Rd4 59.Rf7 Re4 60.a6 Kc8 61.Rf6 Kd7 62.a7 Re8 63.Kb6 Rc8 64.Rf7 Kd6 65.Kb7 (65.Kb7 Rd8 66.a8Q Ra8 67.Ka8+-) 1–0. Bulcourf,Carlos (2270) – Granara Barreto,Sebastian A (2255), Circuito Nacional, 2004.

9.Bd3 Bg4 10.Be2 Bf5 11.Bd3 Rfe8 12.Bf5 Qf5 13.0-0 g5 (13...Rab8 14.Qb3=) 14.Nfd2 Rad8 (14...g4 15.Qb3=) 15.c4 (15.Qh5 Qg6 16.Qg4 f5=) 15...Re6 (15...dc4 16.Nc4 Bb4 17.Qh5=) 16.cd5 (16.Qb3 dc4 17.Nc4 b5 18.Na5 Na5+=) 16...Qd5 17.Qh5 Qf5 18.Nb3 (18.Nc4 Bb4=) 18...Bb4 19.N1d2 Kg7 (19...Qg6 20.Qg6 Rg6 21.a3=) 20.h3 (20.e4 Qg6 21.Qg6 Rg6= (21...hg6? 22.d5 Re7 23.dc6+-; worse is 21...Kg6 22.d5 Re7 23.dc6+/–)) 20...a5 (20...Qg6 21.Qg6 Kg6 22.a3=) 21.Nf3 (21.a3 Rh6 22.Qd1 Bd2 23.Nd2 Rg6+=) 21...Rd5 (21...a4 22.Nc5 (worse is 22.Qg5 Qg5 23.Ng5 Rg6-/+) 22...Bc5 23.dc5=) 22.Rfd1 h6 (22...Rh6 23.Qg4=) 23.Nbd2 (23.a3 Bd6=) 23...Bd2 (23...Qg6!? 24.Qg6 Kg6=) 24.Nd2+= Rb5 (24...Rf6 25.Nf3+=) 25.Rac1 Re7 26.h4 (26.Nb3 Qg6 27.Qe2 Qf5+=) 26...f6 (26...Rb2 27.a4=) 27.a4 (27.Nb3 Qd5+=) 27...Rb4= 28.Rc5 Qg6 (28...Qe6 29.Nf1 Qf7 30.hg5 fg5 31.Qf7 Kf7 32.d5=) 29.hg5 hg5 (29...Qh5 30.gf6 Kf6 31.Rh5 Ra4 32.Rh6 Kg7+=) 30.Qg4 (better is 30.Qg6!? Kg6 31.d5+/–) 30...Ra4= 31.Nf3 (31.Nf1=) 31...Nb4 (31...Rb4!?+=) 32.Ng5+= b6 (better is 32...Kg8+=) 33.Rf5 (better is 33.Rc7! Rc7 34.Ne6 Kf7 35.Qg6 Kg6 36.Nc7+/–) 33...Ra3 (33...c6 34.Qf4 Nd5 35.Rd5 cd5 36.Qd6+=) 34.e4 (34.Rb5 Kg8 (34...fg5? 35.Rg5 Qg5 36.Qg5 Kf8 37.Rc1+-) 35.Rf5 a4= (35...fg5? 36.Rg5 Qg5 37.Qg5 Kf8 38.Rc1+-)) 34...Kg8 (34...Rc3 35.e5 Nd5 36.Re1+=) 35.Qf4 Qh5? (better is 35...Rd3!? 36.Rd3 Nd3=) 36.Nf3+/– Rf3 37.Qf3 (37.Rh5?? Rf4 38.f3 f5 39.Rg5 Kf7 40.Rf5 Rf5 41.ef5 Rd7-+; 37.gf3?! Qh3 38.Qh2 Rg7 39.Kh1 Qf5 40.ef5 Rh7+=) 37...Qf3 38.gf3 Kg7 (38...Kf7 39.Rb5+/–) 39.Kf1 (39.Rb5 Nc2+/–) 39...c6+/– 40.Ke2 Rd7 41.Rh5 Kf8 (41...Rd6 42.f4+-) 42.Rh8 Ke7 43.Rh7 Ke6 44.Rd7 Kd7 45.Kd2 Kd6 46.Rh1 a4 47.Rh6 Ke7 48.Kc3 Na2 49.Kc4 Nc1 50.d5 cd5 51.Kd5 Nb3 (51...a3 52.Rh7 Kf8 53.Ke6+-) 52.Rh7 Kd8 53.Kd6 (53.Kc6 Nd4 54.Kb6 Nf3+-) 53...Kc8 (53...Ke8 54.Kc6+-) 54.Kc6 (54.Kc6 Nd4 55.Kb6 Nf3 56.Ra7+-) 1–0. Protector 1?9?0 64_bit – Sting SF 5 64_bit, CCRL, 2015.

9.Be2 Ne7 10.Qa4 Bb6 11.Nbd2 c6 12.0-0 Bc7 13.Qb3 Rb8 14.c4 Bg4 15.Rfc1 Qh6 16.Nf1 dc4=+ 17.Qc4 Nd5 18.Rab1 Rfe8 19.Rb2 Re6 20.a4 Qh5 21.Ne1 Nb6=+ 22.Qa2 Be2 23.Re2 Na4 24.d5 Rh6 25.Nf3 Rg6 26.Ng3= Bg3 27.fg3 Rg4 28.e4+= Qh6 29.Rcc2 b5 30.Ne5 Rg5 31.Nf7! Kf7 32.Rf2 Ke7 33.Rc6 Qh5 34.Qa3 (34.Qa3 b4 35.Qa4 Qd1 36.Qd1 Rf5 37.Qd4 Rf6 38.Rff6 gf6 39.Rc7 Kd8 40.Qc5 b3 41.Qe7#) 1–0. Bosboom,Manuel – Westerinen,Heikki MJ, Hafnarfjordur Iceland, 1999.

9.Be2 Bf5

10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Na5 A) 13.Qb2 Rac8 (13...Re8 14.c4 dc4 15.Nc4 Nc4 16.Bc4 c5 17.Rad1 cd4 18.ed4; 13...c6 14.c4 Rac8 15.cd5 cd5 16.Rac1 Nc6 17.Qb5 Rc7 18.a4) 14.Rfd1 Re8 15.Rac1 Nc6 16.Bb5 Bg4 17.h3 Bh5 18.c4; B) 13.Qa3 Rac8 (13...c6 14.Nb3 Nb3 15.ab3 Bc7 16.c4 a5 17.Qa4 Be4 18.c5; 13...Rdc8 14.Nb3 Nc6 15.Rac1 Re8 16.c4 dc4 17.Bc4 Rad8 18.Nc5) 14.Rfd1 c5 15.dc5 Rc5 16.Nd4 Bg6 17.Rac1 Rcc8 18.Qa4; C) 13.Qb4 Rac8 (13...Re8 14.Bb5 Rec8 15.Nb3 Nb3 16.ab3 c6 17.Be2 c5 18.dc5; 13...Rab8 14.c4 Nc6 15.Qb3 Be6 16.Qb1 Ba5 17.Rc1 Re8 18.Bd3) 14.Nb3 Nb3 15.ab3 c5 16.dc5 Rc5 17.Rfc1 Rdc8 18.Nd4; D) 13.Qb5 a6 (13...c6 14.Qb4 Rac8 15.Nb3 Nb3 16.ab3 Rc7 17.Rfd1 Be4 18.Nd2) 14.Qb2 Nc6 15.c4 Rab8 16.a3 Ba5 17.cd5 Rd5 18.Qb3; E) 13.Qa4= Rac8 (13...Rab8 14.Rfe1 Rbc8 15.Nb3 Nc6 16.Rac1 Bd7 17.Qa3 Bg4 18.Nfd2; 13...Re8 14.c4 dc4 15.Nc4 Nc4 16.Bc4 c5 17.dc5 Bc5 18.Rac1) 14.Nb3 Nb3 15.ab3 a6 16.c4 c5 17.dc5 Bc5 18.b4.

10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Rac8 A) 13.Qb2 Rd7 (13...Re8 14.Rae1 Ne7 15.c4 c5 16.cd5 cd4 17.e4 Bg6 18.Nc4; 13...Ne7 14.a4 a5 15.Rad1 c5 16.Rfe1 Rd6 17.Bb5 Bg4 18.h3) 14.Bb5 Re7 15.c4 dc4 16.Nc4 Be4 17.Ncd2 Bd5 18.Bc4; B) 13.Rfc1 Na5 (13...Ne7 14.a4 Nc6 15.c4 Na5 16.Qb2 c5 17.cd5 cd4 18.e4; 13...Qe7 14.Qb5 Qe6 15.Nh4 a6 16.Qb3 Bg4 17.Bg4 Qg4 18.Nhf3) 14.Qa4 c5 15.Nb3 Nb3 16.ab3 a6 17.b4 c4 18.Nd2; C) 13.Rad1 Na5 14.Qb2 c5 15.dc5 Bc5 16.Nb3 Nb3 17.Qb3 Bd6 18.Qb7; D) 13.Rfe1 Na5 14.Qa4 c5 15.Nb3 Bd7 16.Bb5 Bb5 17.Qb5 Nb3 18.ab3; E) 13.Rfd1 Na5 (13...a6 14.c4 Na5 15.Qb2 dc4 16.Nc4 Nc4 17.Bc4 c5 18.Rac1; 13...Rd6 14.c4 Na5 15.Qa4 c5 16.cd5 cd4 17.e4 Bd7 18.Qb4) 14.Qb2 c5 15.dc5 Rc5 16.Nd4 Be6 17.Rac1 Rc7 18.N2b3.

10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Rd6 A) 13.Rac1 Na5 (13...Rc8 14.c4 Na5 15.Qa4 dc4 16.Nc4 Nc4 17.Bc4 c6 18.Ne5; 13...Re8 14.c4 Na5 15.Qa4 Bd7 16.Qa3 dc4 17.Ne5 Bf5 18.Rfd1) 14.Qb5 a6 15.Qa4 Rad8 16.c4 dc4 17.Nc4 Nc4 18.Bc4; B) 13.Rae1 Rc8 (13...Na5 14.Qa4 Rad8 15.Ne5 Nc6 16.Ndf3 Re6 17.Nc6 Rc6 18.c4; 13...Rad8 14.c4 Re6 15.cd5 Na5 16.Qa4 Re7 17.Bc4 Nc4 18.Qc4) 14.c4 Na5 15.Qd1 Nc4 16.Bc4 dc4 17.e4 c3 18.e5; C) 13.c4 Na5 14.Qa3 dc4 15.Nc4 Nc4 16.Bc4 Re8 17.Ne5 Re7 18.Qc3.

10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Rd7 A) 13.Rae1 Re8 (13...Na5 14.Qa4 Re7 15.Rc1 c6 16.c4 dc4 17.Nc4 Nc4 18.Qc4; 13...Rad8 14.c4 Na5 15.Qa4 dc4 16.Nc4 Nc4 17.Bc4 Re7 18.Rc1) 14.c4 dc4 15.Nc4 Be4 16.Rc1 Bd5 17.Qb2 Rde7 18.Rfd1; B) 13.Rfe1 Re8 (13...Rad8 14.Rad1 Na5 15.Qb4 Re7 16.c4 dc4 17.Ne5 c5 18.dc5; 13...Na5 14.Qa4 Re7 15.Rad1 c6 16.c4 dc4 17.Nc4 Nc4 18.Bc4) 14.c4 dc4 15.Nc4 Na5 16.Qa4 Nc4 17.Bc4 c6 18.Ne5; C) 13.Rac1 Re8 14.Rfe1 Na5 15.Qa4 c6 16.c4 dc4 17.Ne5 Rde7 18.Ndc4; D) 13.c4 Re8 (13...Na5 14.Qa4 dc4 15.Nc4 Nc4 16.Bc4 Re7 17.Rac1 c6 18.Qb3; 13...dc4 14.Nc4 Re8 15.Nb6 ab6 16.Rfc1 Be6 17.Qc3 Bd5 18.a3) 14.c5 Ba5 15.Qb7 Bd2 16.Nd2 Nd4 17.ed4 Re2 18.Rfe1.

10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Qe7 13.Rfe1 (13.Rad1 Rab8 (13...a5 14.a4 Rab8 15.Rfe1 Qf6 16.c4 Nb4 17.Rc1 Be6 18.c5; 13...Na5 14.Qb4 Qf6 15.c4 Nc4 16.Nc4 dc4 17.Bc4 Bg4 18.Be2) 14.Rfe1 Ba5 15.a4 Qf6 16.Bf1 Qe6 17.Nh4 Bg4 18.Be2; 13.Rae1 Rac8 (13...Rab8 14.c4 dc4 15.Nc4 Be4 16.Nfd2 Bd5 17.Qc3 Rd7 18.a3) 14.Qa4 Na5 15.c4 dc4 16.Nc4 Nc4 17.Bc4 c5 18.Ne5; 13.Rac1 Rab8 (13...Rac8 14.Qb2 Na5 15.Rfd1 c5 16.h3 c4 17.Ne5 Bc7 18.Bg4; 13...Na5 14.Qb4 Qf6 15.c4 Nc6 16.Qb2 dc4 17.Nc4 Re8 18.Qb5) 14.c4 Ba5 15.Rfd1 Bb4 16.Bd3 dc4 17.Qc4 Bg4 18.Qc2; 13.Rfd1 a6 (13...Rab8 14.Nf1 Na5 15.Qb4 Qf6 16.Ng3 Bc2 17.Rd2 Bg6 18.Qb2; 13...Rac8 14.Rac1 Na5 15.Qb5 c6 16.Qb2 Bc7 17.Qb4 Qd6 18.Qd6) 14.Qb2 Qf6 15.c4 Rab8 16.cd5 Rd5 17.Nc4 Rb5 18.Qc1) 13...Na5 (13...Rac8 14.c4 Na5 15.Qb2 dc4 16.Nc4 Nc4 17.Bc4 c5 18.Rac1; 13...Qd6 14.c4 Na5 15.Qa4 c5 16.cd5 Qd5 17.dc5 Qc5 18.Rac1) 14.Qa4 (14.Qb4 Qf6 15.c4 Nc6 16.Qb2 dc4 17.Nc4 Re8 18.a4) 14...Rac8 15.Ne5 c5 16.Rac1 (16.Bd3 Bd3 17.Nd3 cd4 18.ed4 Qd6=) 16...Bc7 (16...Nc6 17.Bd3 Qf6 18.Nc6= 0.06/9 (18.Bf5 Qf5 19.Nc6 Rc6 20.Nf3=)) 17.Nb3 (17.Bd3!? Bd3 (17...Be6 18.Rb1) 18.Nd3=) 17...Be5=+ 18.de5 (18.Na5=+) 18...Nc6 19.f4 c4 (19...Rd7 20.c4 dc4 21.Bc4=) 20.Nd4 Nd4 21.ed4 Rc6 (21...a6 22.Bf3=+) 22.Bf3= Ra6 (22...a6 23.Qa5 Qd7 24.a4=) 23.Qb5 Qa3 (worse 23...Ra2 24.Bd5 a6 25.Qb7 Qb7 26.Bb7+-) 24.g4 (24.Bd5 Ra5 25.Bf7 Kf7 26.Qc4 Rad5=) 24...Bc8 (24...Rb6 25.Qc5 Qc5 26.dc5=+) 25.f5= Rb6 (better 25...Ra5!? 26.Qb1 Qa2 27.Qa2 Ra2+-) 26.Qc5+- Qc5 27.dc5 Rc6 28.Rcd1 Kf8 29.Rd4 (29.Rd5!? Rd5 30.Bd5 Rc5 31.Rd1+=) 29...Rc5= 30.Red1 b5 (30...Re8 31.Re1=) 31.Bd5+= Re8 32.f6 (better 32.Re1!?+=) 32...Re5=+ 33.Bc6 Rc6 34.Rd8 Re8 35.fg7 Kg7 36.Re8 Bg4 37.Rd5 Rg6 38.Kf2 a6 39.Ke3 Be6 40.Rd2 a5 41.Ra8 (41.Rb8 Rg5=+) 41...a4 42.Ra6 (42.Rb8 Rg5=+) 42…Rg5 ½–½. marekt (2210) – forsetinn (2355), gameknot.com, 2014.

10.0-0 Rfe8 11.Bd3 Bg4 12.h3 Bh5 13.a4 Ne7 (13...Re6 14.Ra3+=) 14.Ra3= Bf3 15.Qf3 Qf3 16.gf3 b6 17.Rd1 c5 18.Ba6 g5 (18...g6 19.e4=) 19.Rb3 c4 (19...Rab8 20.c4=) 20.Ra3 Ng6 21.e4 Nf4 22.ed5 Nh3 23.Kh2 Nf2 24.Rg1 h6 25.Bc4 Re3 26.d6 Rc8 (better is 26...Nd3!? 27.Kg3 Nf4=) 27.Kg2+/– Nd3 (27...Rc4? 28.d7 (28.Kf2 Re8+=) 28...b5 29.ab5+- (29.Kf2?! b4 30.cb4 Ra3 31.ba5 Rf3 32.Kf3 Rd4+/–)) 28.Bd3 Rd3 29.Kf2 Bb4 30.cb4 Rd4 31.Rc3 Rd8 32.Na3 R4d6 33.Nb5 Rd2 34.Kg3 R8d7 35.Rc6 Rb2 (35...Kg7 36.Rh1 R2d3 37.Rch6+/–) 36.Nd6 Rb4 (36...h5 37.Ne4 Rd3 38.Ng5 Rb4 39.Rc8 Kg7 40.Ne4+-) 37.Rh1 Rf4 (worse is 37...Ra4 38.Nf5 f6 39.Rf6+-) 38.Rh6 Kg7 (38...Rd8 39.Rc7 Kg7 40.Re6+-) 39.Ne8 Kf8 40.Nf6 Rd8 41.Nh7 Kg8 42.Ng5 Ra4 43.Rc7 Rf8 44.Rd6 Ra1 45.f4 (better is 45.Kf4 b5 46.Rf6+-) 45...a6? (better is 45...a5+-) 46.Rb6 a5 47.Ra6 (47.Rbb7 Rg1 48.Kf2 Rg4+-) 47...a4 (47...Rg1 48.Kf2 Ra1 49.Raa7+-) 48.Raa7 Rb1 (48...Rg1 49.Kf3 Rh1+-) 49.Nf7 1–0. marekt (2130) – vulpecula (2095), gameknot.com, 2014.

8.e3 d6

9.Bd3 Be6 =+.

9.Nfd2 Be6

10.Bd3 Rfe8 11.Qh5 g6 12.Qb5 =.

10.Bd3 g6 11.Be4 Qg5

12.Qf3!? =.

12.h4 Qb5 13.Nb3 d5 +=.

12.Nf3 Qg2-/+ 13.Rg1 Qh3 14.d5 f5

15.Bc2 Nb4!? 16.Bb3 Bd7 17.cb4 Bb4 18.Nbd2 f4 +/–.

15.dc6 fe4 16.cb7 Rab8 -+ (16...Qf3?! 17.Qf3 ef3 18.ba8R Ra8 19.Rg3=).

15.dc6 fe4 16.Rg3 Qf5 17.cb7 Rab8 -+.

15.Bc2 f4

16.dc6 bc6 17.Bg6 hg6 18.Rg6 Kf7 19.Ng5 Kg6 20.Nh3 Bh3 +-.

16.dc6 fe3 17.cb7 ef2 18.Kf2 Rf3 19.Qf3 Bb6 20.Ke2 Bc4 21.Kd2 Qf3 22.ba8Q Qa8 -+.

16.de6 fe3 17.Rg3 ef2 18.Ke2 Qe6 19.Kf2 d5 =+.

16.de6 fe3 17.Rg3 ef2 18.Ke2 Qh5 -/+.

16.Bg6! hg6 17.Rg6 Kh7 18.Re6 Kh8 +-.

6.c3 Ba5

7.d4 d5 8.e3 0-0 9.Bd3 Re8 10.0-0 Bg4 11.Be2 Rad8 12.Qb3 Ne7 13.Nbd2 Ng6 14.Rfe1 Bc8 (14...c5 15.Bb5 Re7 A) worse is 16.dc5 Bf3 (worse is 16...Qc3 17.Rec1 Qf6 18.Qa3 Bd2 19.Nd2+=) 17.Nf3 Bc3-/+; B) 16.h3+=) 15.Qa3= Bb6 16.c4 dc4 17.Nc4 Nh4 (17...Bf5 18.Rac1=) 18.Nb6 ab6 19.Rac1 c6 20.Qb4 b5 21.Nh4 Qh4 22.Bf3 Re6 23.g3 Qh3 24.Bg2 Qh5 25.Rc5 Qg6 26.d5 Red6 27.a4 ba4 28.Qa4 cd5 29.Rd5 Bd7 30.Qa5 b6= 31.Qb4 Rd5 32.Bd5 Qf6 33.Qf4 Qf4 34.gf4 Kf8 35.Ra1 Rb8 36.Ra7 Be8 37.Rc7 b5 38.Kf1 Rd8 39.e4 Rd7 40.Rc8 Rd6 41.Rb8 Ke7 42.Rb7 Kf8 43.Ke2 f5 44.f3 Rh6 45.Ke3 fe4 46.fe4 Rh2 47.e5 b4 48.Rb4+/– Rh6 49.Rb8 Ra6 50.f5 h5 51.Ra8 Rb6 52.Bf3 Ke7 53.Ra7 Kf8 54.Kf4 Rb4 55.Kg5+- Rb5 56.e6 g6 57.Be4+- gf5 58.Bf5 Rb8 59.Kf6 Kg8 60.Rg7 Kh8 61.Bg6 Bg6 62.Rg6 Kh7 63.e7 Rb6 64.Kf7 Rg6 65.e8Q Kh6 66.Qe3 (66.Qe3 Kh7 67.Qe4 Kh8 68.Kg6 h4 69.Qe8) 1–0. Bulcourf,Carlos (2205) – Greco,Robertino, LNA Puma Cup, 2006.

7.d4 d5 8.e3 0-0 9.Be2 Bf5 10.Qb3 Rab8 11.0-0 Ne7 12.Nbd2 c6 13.a4 Ng6 14.c4 Rfd8 15.c5 (15.cd5 Bd2 (worse is 15...Rd5 16.e4 Bd2 17.ed5+/–) 16.Nd2 Rd5=) 15...Re8 16.Bd3 Bd3 17.Qd3 Qe6 18.Nb3 Bc7 19.Nbd2 f5 20.Ng5 Qf6 21.Nh3 Re7 22.Nf3 Rf8 23.g3 Re4 (23...Ba5 24.Rab1+=) 24.Nd2 Re6 25.f4 (25.Rfb1!? Rb8 26.a5=) 25...Ne7?? (better is 25...Rfe8 26.Rfe1 Ba5+=) 26.Ng5+/– 1–0. Baer,Cy (1895) – Horatschek,Peter (1810), RSS4D easy–53, 2007.

7.e3 0-0 8.Bd3 +=.

7.e3 0-0 8.d4 d5 9.Qc2 Bg4 10.Nbd2 Rad8 (10...Rae8 11.Bd3 Bf3 12.gf3+= (worse is 12.Nf3 Nd4 13.Nd4 Qd4-/+; worse is 12.Bh7 Kh8 13.gf3 g6-/+)) 11.Bd3= h6 12.0-0 a6 13.Rab1 Bb6 14.h3 Bh5 15.Rfe1 Rfe8 16.e4 de4 17.Ne4 Qf4 18.Re3 Bg6 (better is 18...Bf3!? 19.Rf3 Qh4+=) 19.g3+/– Be4?? (better is 19...Qf5 20.Nd6 Qd3 21.Rd3 Bd3 22.Qd3 Rd6+/–) 20.gf4+- (20.Be4?! Qf6+=) 20...Bd3 (20...Bf3 21.Rf3 Rd4 22.Rb6 Rd3 23.Rd3 cb6 24.Rd7+-) 21.Re8 Re8 22.Qd3 Nd8 23.Rb6! cb6 24.d5 1–0. Bleyer,KM – Martinez Camacho,VH, ICCF FM/1610, 2012.

7.e3 d6 8.Qa4 (8.Bd3 0-0+=) 8...Bd7 9.Bb5 Bb6 10.d4 0-0-0 (10...Qf5 11.0-0 a6 12.Be2+=) 11.Nbd2 a6 12.Bc6 Bc6 (12...bc6? 13.Qa6 Kb8 14.Rb1+-) 13.Qb3 Rhe8 14.0-0 g5 15.d5 Bd7 (15...Bb5 16.Rfe1=) 16.Nd4+= h5? (better is 16...Kb8+=) 17.Rab1+- Bf5 18.Nf5 Qf5 19.a4 h4 (19...a5 20.Nc4 Rd7 21.Nb6 cb6 22.Qb6 Qd5+-) 20.a5! Ba5 21.Qb7 Kd7 22.Ra1 (22.Nc4!? h3 23.f3 hg2+-) 22...Bb6 23.Nc4 Bc5 24.Qc6 (better is 24.Ra6!? Rb8 25.Qc6 Kd8 26.Na5+-) 24...Ke7+/– 25.h3 (25.Ra4!?+/–) 25...g4= 26.hg4 Qg4 27.Ne5 (27.Qa6?? h3 28.g3 Qf3 29.Qd6 Rd6 30.Nd6 Qg2) 27...de5 (27...Qf5!? 28.Nf3 h3+=) 28.Qc5+/– (28.Qc7? Kf6 29.Ra6 Kg7-+) 28...Kf6 29.f3 Qg3 30.Ra6 Kg7 31.Ra4 e4 32.Re4 Re4 33.fe4 h3 34.Qd4 Kg8 35.Qd2 Rd6 36.Qf2 (36.Qf2 Qg7 37.g4+-) 1–0. marekt – dylam, gameknot.com, 2015.

6.c3 d5

7.d4 Ba5 8.e3 0-0 9.Be2 Bf5 10.0-0 Rad8 11.Qd2 (11.Bd3 Bg4 (11...Be4 12.Be4 de4 13.Nfd2 Rfe8 14.Qg4 Qe7 15.f3=) 12.h3 Bh5 13.Be2 Bf3 14.Bf3 Ne7 15.Qd3=; 11.Qb3 Rfe8 (11...Bb6 12.Nbd2 Na5 13.Qa4 Rfe8 14.Ne5 a6 15.Bf3=) 12.a3 Bb6 13.Nbd2 Na5 14.Qb4 a6 15.Ne5=+; 11.a3 Rfe8 12.Bd3 Be4 13.Be4 de4 14.Nfd2 Qh4 15.Qb3=) 11...Rfe8 (11...a6 12.Rd1 Rfe8 13.Qb2 Rb8 14.Nbd2 Re7 15.c4=; 11...Rb8 12.Qb2 Qe6 13.Nbd2 Rfe8 14.c4 Bb4 15.a3=; 11...Rd6 12.Qb2 Re8 13.Rd1 Bb6 14.c4 dc4 15.Bc4=; 11...Ne7 12.Qb2 Bb6 13.a4 Nc6 14.Nbd2 Na5 15.Nb3=; 11...b6 12.Bd3 Be4 13.Ne1 Qg6 14.Be4 de4 15.f3=+; 11...Bg6 12.Qb2 Rfe8 13.Rd1 Rb8 14.c4 dc4 15.Bc4=) 12.a4 (12.Qb2 a6 13.Nbd2 Re7 14.Rae1 b5 15.Nb3=) 12...Bb6 (12...Rd6 13.Qb2 a6 14.Nbd2 Nd8 15.c4=) 13.Bb5 a6 (13...a5 14.Be2 Ne7 15.Bd3=+) 14.Bc6 (14.a5 Ba7 15.Be2=+ (15.Bd3 Be4=+)) 14...bc6 (14...Qc6 15.Qb2=+) 15.Na3 (15.a5=+) 15...Ba5 16.Nc2 (16.Rac1 Rb8=+) 16...c5-/+ 17.Ne5 Rb8 18.Rfb1 Rb1 (18...Rb1 19.Rb1 cd4 20.ed4 c5-/+) 0–1. DeepJoe – STEFAN_NL, playchess.de, 2002.

7.d4 Ba5 8.e3 0-0 9.Be2 Bf5 10.0-0 Rfd8 11.Qb3 Bb6 12.Nbd2 Na5 13.Qa4 c6 (13...Qd6 14.Rfe1+=) 14.c4 (14.Ne5 Re8=) 14...Nc4 15.Nc4 dc4 16.Bc4 Bc7 17.Qb3 Rd7 18.Rfc1 (18.Qb7?? Bh2 19.Kh2 Rb7-+) 18...Re8 19.Bd3 (19.Qb7?? Bh2 20.Nh2 Rb7-+) 19...Be6 20.Qc2 (20.Qb7?? Bh2 21.Kh2 Rb7 22.Rc6 Rb2-+) 20...Qh6 (20...h6 21.Rab1=) 21.h3 Bd5 22.Qe2 Qd6 23.Bc4 Be4 24.Kf1 (24.Ne5 b5 25.Qg4 Re5 26.de5 Qe5 27.Qd7 Qh2 28.Kf1 Qg2 29.Ke2 Qf3 30.Kd2 Ba5 31.Rc3 Qf2 32.Be2 Bc3 33.Kc3 Qe3 34.Bd3 Qc5 35.Kd2 Qf2 36.Be2 Qf4 37.Kd1 h6+=) 24...Rde7 25.a4 g6 26.Ra2 Kg7 27.Rb2 Qa3 28.Rd1 Bb6 29.Ra2 Qd6 30.Bd3 Bf3 31.Qf3 Qh2 32.Bc4 White prepares the advance d5 32...f5 33.g3 Qh3 34.Kg1 Ba5 35.d5 Qg4 36.Qg4 fg4 37.dc6 bc6 38.Be2 h5 39.Rc2 Rc7 40.Rdc1 Rf8 41.Bd3 Rd8 42.Be4 The isolani on c6 becomes a target 42...Rd6 43.Rc6 Rdc6 44.Rc6 Rc6 45.Bc6 Kf6 ½–½. marekt (2125) – forsetinn (2320), gameknot.com, 2014.

7.d4 Bd6 8.e3 0-0 9.Bd3 Bg4 10.Nbd2 Bf5 (10...Rab8 11.Qc2 h6 12.0-0=) 11.Bf5= Qf5 12.Qb1 Qb1 13.Rb1 b6 14.0-0 h6 15.c4 dc4 16.Nc4 Be7 17.Rfc1 Nd8 18.g3 Ne6 19.Nfe5 Rfc8 20.Nc6 Kf8 21.e4 Nd8 22.N4e5 Ke8 23.Nd8 Bd8 24.Nc6 Be7 25.f4 f6 26.e5 fe5 27.fe5 (27.de5?! Bc5 28.Kg2 Kd7+=; 27.Ne5?! c5 28.dc5 Bc5 29.Kf1 Rc7=) 27...Kd7 28.Ne7 Ke7 29.Rc6 Rab8 30.d5 b5 31.Rbc1 1–0. Vornanen,Alpo (2340) – Koski,Pekka (1950), SenSM33 ICCF, 2006.

5.Bg3 0-0

6.a3 Be7 7.e3 d5 8.Bb5 Ne4 9.Bc6 bc6 10.c3 c5 11.d3 Ng3 12.hg3 =+.

6.c3 Be7 7.d4 Ne4 (7...d5 8.e3=+) 8.Nbd2 d5 (worse 8...Nc3 9.Qb3 Bb4 10.d5 Nd5 11.Qd5+/-; worse 8...Ng3 9.hg3 d5 10.Qc2=) 9.Qc2 (9.Ne4 de4 10.Nd2 f5 11.Qb3 Kh8=) 9...Ng3 (9...Bf5 10.Ne4 Be4 11.Qb2=+) 10.hg3= h6 11.e4 (11.e3 Re8=) 11...de4=+ 12.Ne4 Bf5 13.Bd3 Re8 14.Kf1 Qd5 (14...Be6 15.Rb1 Rb8 16.Bb5=) 15.Re1 Na5 (15...Be6 16.Rb1=) 16.Qa4 (16.Rh5 Nc6+=) 16...b6 (16...Bd7 17.Qc2 Nc4 18.Nfd2=) 17.Kg1 (17.Rh5 Qd7 18.Bb5 c6=) 17...Bd7= 18.Qc2 (18.c4 Ba4 19.cd5 Rad8=) 18...b5 (18...Be6 19.a4=) 19.Ned2 Rad8 (19...Rab8 20.Bh7 Kh8 21.a4=) 20.Be4 Qd6 21.Rb1 (21.Rh5 a6=) 21...a6 22.Bh7 Kf8 (22...Kh8 23.Ne5 Be6 24.Bf5=+) 23.Bf5= c5 (23...Bf5 24.Qf5 Kg8 25.a4=) 24.g4 (24.Bd7!? Rd7 25.Qh7+=) 24...cd4=+ 25.Nd4 (25.cd4 Rc8 26.Qd3 Nc4=+) 25...Bf6 26.N2f3 Nc4 27.g5 (27.Bd7!? Qd7 28.g5 Bg5 29.Ng5=) 27...Bd4 (27...hg5? 28.Bd7 Qd7 29.Rh8 Ke7 30.Nf5 Ke6 31.Re1 Kd5 32.Rd1 Kc6 33.Rd7 Kd7 34.Re8 Re8 35.Nd2 Re1 36.Kh2+-; 27...Bg5 28.Ng5 hg5 29.Bd7 Qd7 30.Qh7+=) 28.Nd4 Na3 (28...hg5?! 29.Bd7 Qd7 30.Qh7+=) 29.Qb3?? (better 29.Qc1 Nb1 30.gh6 gh6 31.Rh6 Re1 32.Qe1 Qh6 33.Qb1 Bf5 34.Nf5-/+) 29...Nb1-+ 30.gh6 (30.Qb1 Bf5 31.Nf5 Qd1 32.Qd1 Rd1 33.Kh2 Rh1 34.Kh1 hg5-+) 30...gh6 (30...Re1) 31.Qb1-+ Bf5 32.Nf5 Qd1 33.Kh2 Qh5 (33...Qb1 34.Rb1 Re2 35.a4 Rf2 36.Nd4 ba4 37.Ra1-+) 34.Kg3 Qg5 35.Kf3 Re5 (35...h5 36.g3-+) 36.g4 Rde8 (better 36...Ke8-+) 37.Rh6?? (better 37.Rh5 Rf5 38.Qf5 Qf5 39.Rf5-/+) 37...Rf5!-+ 38.Qf5 (38.Qf5 Qh6 Remove defender; 38.gf5 Qh6 Remove defender) 38...Qh6 39.g5 (39.Qc5 Kg7-+) 39...Qe6 (39...Qc6!? 40.Kg3 Qc3 41.Qf3 Qe5 42.Qf4 Qf4 43.Kf4-+) 40.Qc5 Qe7 (40...Kg8 41.Kg3-+) 41.Qd4 (41.Qd5 Rd8 42.Qf5 Qa3-+) 41…Qg5 0-1. Andnar (2795) - A_H_Kashefi (2630), Rated Bullet game, lichess.org, 2020.

6.e3 d5 7.c3 Bd6 8.d4 Ne4 9.Bd3 Bg4 10.Qc2 f5 11.Nbd2 a6 12.a4 Qd7 13.0-0 Bh5 14.a5 Bf7 15.Rfc1 Qe7 16.Qa4 Bg3 17.hg3 Ng3 18.Rab1 Rab8 19.Ba6 ba6-/+ 20.Rb8 Rb8 21.fg3 Qe3 22.Kh2 Qh6 23.Kg1 Qe3?? 24.Kh2 Rb5 25.Qc2 f4 26.Re1 fg3 27.Kg3 Qh6 28.Kf2 Qf6 29.Qd3 Ra5 30.Kg1 Rb5 31.Ra1 Ra5?? 32.Re1 Bg6 33.Qe3 Rb5 34.Ng5 Rb8 35.Qg3 Qd6 36.Qg4 Re8 37.Re8 Be8 38.Qe2 Qe7 39.Qe7 Ne7 40.Ne6 a5 41.Nc7 Kf7 42.Nb1 Bc6 43.Na6 Ke6 44.Kf2 Nc8 45.Nc5 Kf5 46.Na3 Nd6 47.Kf3 Ne4 48.Ne4 de4 49.Ke3 a4 50.c4 h5 51.d5 Be8 52.Kd4 Kf4 53.d6 e3 54.Nc2 e2 55.c5 a3! 56.Kc3 Kg3 57.Kb3 Kg2 58.Ka3 h4 59.c6 Bc6 (60.Kb3 h3-+) 0–1. Skalozubov,Alexander (2125) – Vioreanu,Bogdan (2280), Artek ol U16, 2000.

6.e3 d5 7.Be2 Ne4 8.0-0 Ng3 9.hg3 Qf6-/+ 10.c3 Bd6 11.d4 Bf5 12.Nbd2 Ne7 13.c4 c6 14.a4 b6 15.cd5 cd5 16.Nh4 Be6 17.Bg4 Rac8-/+ 18.Be6 fe6 19.Rc1 Rc1 20.Qc1 Qh6 21.e4 Bg3 22.fg3 Qe3-+ 23.Kh2 Rf1 24.Qf1 Qd2 25.Nf3 Qh6 26.Kg1 de4 27.Ne5 Qe3 28.Kh2 Nf5 29.g4 Qd4 30.Nc6 Qd6 31.Kh3 Qg3# 0–1. Gegonz – pierre, ChessHere.com, 2006.

6.e3 d6 7.Be2 Be6 8.0-0 Nd5 9.c4 Nf6 10.d4 Bg4 11.Qb3+= Ne4 12.d5+/– Qf6 13.dc6 bc6 14.Qb4?? Qa1+= 15.Qa4 Ng3 16.fg3 Bd7 17.Nbd2 Qc3 18.Qb3 Qa5 19.Bd3 Qb6 20.Re1 Rae8 21.h3 g6 22.Ne4 Qb3 23.Nf6+/– Kh8 24.ab3 Re7 25.Nd4 c5 26.Nd5 Re5 27.Nf3+- Re6 28.Nc7 Re7 29.Nd5 Re6 30.Ra1 Bc6 31.e4 Bd5 32.ed5 Re3 33.Bc2 Rc3 34.Ne1 Re8+= 35.Kf2 Re1 36.Ke1 Rc2 37.Ra7 Rg2= 38.Rf7 Rg3 39.Rf6 Rh3 40.Rd6+= Rb3 41.Rc6 Rb7?? 42.Rc5?? Rd7+= 43.Rc6 Kg7 44.d6 Kf6 45.c5 Ke6 46.Rc8 h5? 47.c6+- Rd6 48.Re8 Kf7 49.c7 Ke8 50.c8Q Rd8?? 51.Qe6 Kf8 52.Qg6 Re8 53.Kf2 Re7 54.Qh5 Rc7 55.Qe5 Re7 56.Qd6 Ke8 57.Kf3 Rd7 58.Qg6 Rf7 59.Ke4 Kf8 60.Ke5 Rf1 61.Qd6 Kg7 62.Qd7 Kf8 63.Qc8 Kg7 ½–½. Choong,Yita – Wallis,Christopher, AUS–jr–ch U12 Open, 2002.

5.Bg3 d5

6.c3 Bd6 7.Bd6 Qd6 8.d4 0-0 9.g3 Bf5 10.Bg2 Rfe8 11.0-0 h6 12.e3 Na5 13.Nbd2= Bd3 14.Re1 Nc4 15.Nc4 Bc4 16.Nd2 Ba6 17.Qb3 b6 18.c4 c6 19.Rac1 Bb7 20.cd5 cd5 21.Rc3 Rac8 22.Rec1 Rc3 23.Rc3 Rc8 24.Rc8 Bc8 25.Nb1 Bd7 26.Nc3 Bc6 27.f3 ½–½. alaamattar (2135) – carrafurca (2225), net–chess.com, 2005.

6.c3 Bd6 7.e3 Ne4 8.d3 Ng3 9.hg3 Be6 10.Qc2 Qf6 11.d4 Ne7 12.Bd3 h6 13.Nbd2 c6 (13...c5 14.Rb1 b6 15.Qa4 Bd7 16.Bb5=) 14.Rb1 (14.e4 Ng6+/–) 14...Rb8 (14...0-0-0 15.c4 Ng6 16.Qa4+=) 15.c4 (15.e4!? Ng6 16.e5 Ne5 17.Ne5 Be5 18.de5 Qe5 19.Kd1+/–) 15...Bf5 16.c5 Bc7 17.Nh4 (17.Bf5!? Qf5 18.Qa4+=) 17...Bd3= 18.Qd3 Qe6 19.Nhf3 Qg6 20.Qg6 Ng6 21.Nh2 0-0 22.Ke2 Rfe8 23.Ng4 b6 24.Nb3 f5 25.Nh2 f4 26.gf4 Nf4 27.Kd2 Ne6 28.cb6 ab6 29.Nf3 Bd6 30.Rh5 Ra8 31.Rb2 Ra4 32.Kc2 Ba3 33.Rb1 Rea8 34.Ne5 Bd6 35.Nc1 b5 36.Ned3 Ng5 37.Rb3 Rc4 38.Rc3 Rc3 39.Kc3 Kf7 40.f3 Ra3 41.Kb2 Ra7 42.f4 Kg6 43.g4 Nf3 44.Nb3 Re7 45.Ne5 Ne5 46.de5 Bb8 47.f5 Kf7 48.e6 Kg8 49.Kc2 Ra7= 50.Nc5 Bd6 51.Nd7 Ra2 52.Kd3 Be7 53.Ne5 Bb4 54.e4+= de4 55.Ke4 Re2 56.Kd4 Bc3 57.Kc3 Re5 58.Rh1 Re4 59.Rd1 Kf8 60.Rd8 Ke7 61.Rd7 Kf6 62.Rf7 Ke5 63.Rg7 c5 64.e7 Kf6= 65.e8Q Re8 66.Rg6 Kf7 67.Rh6 Re3 68.Kd2 Rg3 69.Rc6 Rg4 70.Rc5 ½–½. Timar,Zsolt – Toeroek,Sandor, HUN–ch37 corr9800, 1998.

6.e3 0-0 7.Bb5 Ne4 8.Bh4 Qe8 9.c3 Bc5 10.0-0 a6 11.Be2 Bd6 12.d3 =.

6.e3 0-0 7.Bb5 Ne7 8.0-0 Nf5 9.Be5 Bd6 10.d4 Ne4 11.Bd3 f6 12.Bd6 Nfd6 13.Nbd2 Bg4 14.Be2 (14.Qc1 Bf5=) 14...Nc3 15.Qe1 Ne2 16.Qe2 Ne4 (16...Qe7 17.h3 Bd7 18.c4=) 17.Qd3 Bf5 18.Qb3 Rb8 19.Ne4 Be4 20.Nd2 Bg6 21.c4 dc4 22.Qc4 Bf7 23.Qc3 Qd7 24.Rfc1 c6 25.Ne4 Bd5 (25...b6 26.Ng3 (worse 26.Qc6 Qc6 27.Rc6 Bd5 28.Nf6 Rf6 29.Rf6 gf6-/+) 26...Rbc8 27.Qb4=) 26.Ng3 Rfe8 27.Qd3 Qe6 28.a4 a5 29.Re1 f5 (better 29...Qd7!?=) 30.Qf5+/- (30.Nf5? Be4 31.Qc3 Bf5 32.Qa5 Qg6-/+) 30...Qd6 31.Qg5 Kh8 (31...Qd7 32.e4 Be6 33.Nh5+/-) 32.e4 Be6 33.Rad1 Qb4 34.Nh5 Qe7 35.Qa5 (35.Qg3!?+/-) 35...Ra8+= 36.Qe5 Bg4 37.Qe7 (37.Qg7!? Qg7 38.Ng7 Kg7 39.Ra1=) 37...Re7=+ 38.Ng3 Bd1 39.Rd1 Ra4 40.f4 Rd7 41.Ne2 c5 42.e5 (better 42.Rc1 Ra5 43.e5=) 42...cd4-+ 43.Nc3 Rc4 (43...Ra6 44.Kf2-+) 44.Ne4 (44.Nb5 Rd5 45.Nd6 Rc2-/+) 44...d3 45.Nd6 Rf4 (45...Rd4 46.Kf2 Re7 47.Kf3=+) 46.Rd3 Re7 (46...Kg8 47.h3-/+) 47.Rc3 (47.Nb7!? g5 48.Nc5=+) 47...h6 48.Rc5 Kh7 49.g3 (49.Rb5 Rg4-/+) 49...Rf8 (49...Rf3 50.g4-+) 50.Rb5 (50.Kg2 b6 51.Rb5 Ra8-/+) 50...Rd8 (50...Rf3-+) 51.Nb7? (51.Kf2 Kg6-/+) 51...Rd1 (51...Rb8 52.Nd6 Rb5 53.Nb5 Re5 54.Nd4-+) 52.Kg2 (52.Kf2 Rd2 53.Ke3 Rh2-/+) 52...Rd2 (52...Re1 53.Kf3-+) 53.Kh3 (better 53.Kf3!?-/+) 53...Re2-+ 54.Nd6 h5 55.Nc4 g5 56.Rb6? (56.Rd5 Kg6 57.g4 hg4 58.Kg3 Rh7 59.Rd6 Kf5 60.Rf6 Ke4-+) 56...Rf7 (56...Rc7 57.Rb2 Rb2 58.Nb2 Rc2-+) 57.Rf6?? (57.Rb2 Rb2 58.Nb2-+) 57...Rf6 (57...g4 58.Kh4 Rg7 59.h3 Rh2 60.Rh6 Kh6 61.Nd6 Rh3) 58.ef6 (58.Ne3 Rff2 59.Ng4 hg4 60.Kg4 Kg6 61.Kh3 Re4 62.e6 g4 63.Kh4 Rh2) 58...Kg6 (58...g4 59.Kh4 Kh6 60.h3 Rh2 61.f7 Rh3) 59.Nd6 (59.g4 hg4 60.Kg3 Kf6 61.Nd6-+) 59...g4 60.Kh4 Rh2 0-1. Fernandez,Michael (2170) - Bharath,Subramaniyam H (2475), Titled Tuesday, 2022.

6.e3 0-0 7.Be2 Be6 8.0-0 Ne4 9.c3 Be7 10.Bf4 Bd6 11.Bd6 Nd6 12.d4 f5 13.Nbd2 Ne4 14.Rc1 Qe7 15.Bb5 Na5 16.Ne5 Rad8 17.Bd3 Rf6 18.f4 Rh6 19.Ndf3 c5 20.Rc2 c4 21.Be4 fe4 22.Ng5 Bd7?? (better is 22...Rf8+=) 23.Ngf7+/– (worse is 23.Nd7 Rd7 24.Qg4 Nc6+=) 23...Rb6 24.Nd8 Ba4 25.Ndf7 Rb2?? (better is 25...h6+-) 26.Rff2 Ra2 27.Ra2 Bd1 28.Ra5 Bh5 29.Rd5 Bf7 30.Rd7 Qe8 31.Rf7 Qb5 32.Rc7 h5 33.f5 h4 34.Rc8 Kh7 35.Nf7 (35.Nf7 g5 36.Ng5 Kh6 37.f6 Qg5 38.Rh8 Kg6 39.Rg8 Kf7 40.Rg5 a5 41.Rg7 Ke6 42.f7 a4 43.Rg6 Kd7 44.f8Q a3 45.Rf7#) 1–0. Raeva,E (2305) – Yordanova,S (2155), 60th ch–BUL w Final, 2011.

6.e3 0-0 7.Be2 Re8 8.0-0 Ne7 9.c4 c6 10.Qb3 Bd6 11.Nc3 Bg3 12.fg3 b6 13.cd5 Ned5 14.Nd4 (14.Nd5 Nd5 15.Nd4+=) 14...c5 (better is 14...Nc3!? 15.Qc3 c5=) 15.Nd5+/– Nd5 16.Bb5 cd4 17.Be8 Be6 18.Bf7 Bf7 19.Rf7 Kf7 20.e4 Qg5 (20...g6 21.Rf1 (21.Qd5?! Qd5 22.ed5 Rd8=) 21...Kg7 22.ed5+/– (22.Qd5?! Qd5 23.ed5 Rd8=)) 21.ed5+- (21.Qd5?! Qd5 22.ed5 Rd8=) 21...Qe5? (21...Kg6 22.Re1 Rf8 (22...Qd2?? 23.Re6 Kf7 24.d6 Qd1 25.Qd1 Ke6 26.Qg4 Kd6 27.Qd4 Kc7 28.Qg7 Kc6 29.Qc3 Kb7 30.Qf3 Kb8 31.Qf4 Kc8 32.Qf5 Kc7 33.Qe5 Kc8 34.Qe6 Kb8 35.Qg8 Kb7 36.Qf7 Ka6 37.Qc4 Kb7 38.Qe4 Kb8 39.Qh7+-) 23.Qd3 Qf5 24.Re6 Rf6 25.Qf5 Kf5 26.g4 Kg6+-) 22.d6 Kg6 23.Rf1 Qd6?? (23...Rd8 24.Qf7 Kh6+-) 24.Qf7 Kh6 25.Rf4 Qg6 (25...g6 26.Rh4 Kg5 27.Qh7 Rf8 28.Qh6 Kf6 29.Rf4 Ke5 30.Rf8 Kd5 31.Qg5 Kc4+-) 26.Rh4 Kg5 27.Qf4 1–0. Larsen,Andr (2010) – Fraser,John (1930), 90th Hastings Masters, 2015.

6.e3 0-0 7.Be2 Bf5 8.0-0 Ne4 9.Bf4 Bd6 10.Bd6 Qd6 11.d3 Nf6 12.Nbd2 Rfe8 13.c3 a6 14.a4 b6 15.Re1 Na5 16.Nd4 Bg6 17.N2f3 c5 18.Nb3 Nc6 19.Nh4 Nd7 20.Ng6 Qg6 21.Bf3 Nf6 22.d4 cd4 23.cd4 Nb4 24.Re2 Ne4 25.Be4 de4 26.a5 b5 27.Nc5 Nd5 28.Qb3 Ne7 29.Rc1 Nf5 30.Qd1 Nh4 31.Qf1 Rad8 32.Nb3 Rd5 33.Rc5 Rh5 34.Rh5 Qh5 35.Rc2 Ng2 ½–½. Vysniauskas,Vaidas – Gertners,Gunars (2240), Baltic New ICCF Players Tournament, 2005.

5.Bg3 Ne4

6.c3 Ng3 7.hg3 Be7 8.e4 d5 9.e5 Bg4 10.Be2 Bf3-/+ 11.gf3 Ne5 12.Qc2 Qd6 13.d4 Ng6 14.Nd2 0-0 15.Kf1 Rad8 16.Kg2 Bf6 17.Bd3 Rde8 18.Rh3 Bg5 19.Bg6 fg6-+ 20.Rah1? Bh6 21.Rb1 b6 22.Nf1 Rf7 23.Nh2 Rfe7 24.Ng4 Re2 25.Qb3 Rd2 26.Ne5 c5 27.Qa4 Re7 28.f4 g5 29.dc5? Qc5-+ 30.Rb3?? Qf2 (30...Qf2 31.Kh1 Qg2#) 0–1. mic (2200) – zzvotra (2520), net–chess.com, 2009.

6.e3 Ng3 7.hg3 d5 8.c3 Be7 9.d4 h6 10.Nbd2 a6 11.c4 0-0 12.cd5 =.

4...d5

5.a4 Nc6 6.Bb2 0-0 7.Ra2 (7.e3 Na5=+) 7...Re8 (7...d4 8.Ra1-/+) 8.e3 Bf5 (8...Bd6 9.Be2-/+) 9.Qe2 (9.Bb5=+) 9...d4 (better is 9...Ba5!? 10.Ba3 d4-/+) 10.ed4?? (better is 10.Nd4 Nd4 11.Bd4=) 10…Re2-+ (10...Re2 11.Be2 Bc2-+) 0–1. BillyJoe – Wall,Bill, internet, 1996.

5.Bb2 Be6 6.e3 0-0 7.Be2 Re8 8.Nd4 Bd7 9.0-0 Be7 10.Bd3 Qc8 11.Qf3 Bg4 12.Bf5 =.

5.Bb2 Qe7 6.e3 0-0 7.Be2 Re8 8.Nc3 c6 9.0-0 Bg4 10.Nd4 Bd7 11.Bd3 Bd6 12.f4 =.

5.Bb2 Be7 6.a3 0-0 7.e3 c5 8.Be2 Nc6 9.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Be2 d5 7.Nf3 c5 8.0-0 Nc6 9.Bb2).

5.Bb2 Bg4 6.e3 0-0 7.Be2 Re8 8.0-0 Bd6 9.Nc3 c6 10.Nd4 Be2 11.Qe2 Qd7 12.a3 =+.

5.c3 Ba5 6.h3 Nc6 (6...Nbd7 7.Bf4=+) 7.e3 (7.Bf4 0-0=) 7...Ne5 8.Ne5 Qe7 (8...0-0!?=+) 9.d4 (9.d4 0-0 10.Qa4=+). gtate (2055) – idontcare (2205), net–chess.com, 2006.

5.Bc3 Bc3 6.Nc3 d4 7.Nb5 c5 8.Na3 0-0 9.e3 Nc6 (9...a6 10.Be2=+) 10.Bb5 Nb4 11.0-0 a6 12.Be2 Be6 (12...b5 13.c3 dc3 14.dc3=+) 13.Nc4 (13.Qb1 de3 14.fe3 Ne4=) 13...Bf5 14.d3 Nfd5 (14...b5 15.Nce5 Qd6 16.Qd2-/+) 15.ed4 cd4 16.Re1 Nc3 17.Qd2 Rc8 18.a3 Nc2 19.Qc2 Rc4! 20.Qb3 Rc6–+ 21.Bf1 Bg4 22.Ne5 Rb6 23.Qc2 Be6 24.Nc4 Rb5 25.a4 Rc5 26.Re5 Re5 27.Ne5 Bd5 28.Nc4 Re8 29.a5 Qg5 30.Ne3?? de3 (30...de3 31.Qc3 e2–+) 0–1. SWAT_TEAM – hpoli, ChessWorld.net, 2004.

5.Nc3 0-0 6.Bf6+= gf6 7.e3 (7.Rb1 Bc3 8.dc3 c6 9.Rb2 Nd7 10.Qd4 Re8=) 7...Bc3 (7...Re8 8.Be2 c6 9.Qb1 Bc3 10.dc3 f5=) 8.dc3 Bf5 (8...Nc6 9.c4 Be6 10.cd5 Bd5+= (10...Qd5 11.Qd5 Bd5 12.c4+=); 8...Be6 9.Qd4 Nd7 10.Rb1 b6+/–) 9.g4 (9.c4!? dc4 10.Nd4 (10.Rb1+= Qd1+=) 10...Bg6+=) 9...Be4= (9...Bg4? 10.Rg1 f5 11.h3+-) 10.Rg1 (10.Rb1 Nd7=) 10...Kh8 11.Bd3 Qe7= 12.Rg3 Nd7 13.Nd4 Ne5 14.f4 Ng6 15.Kf2 c6 16.Qf1 Rad8=+ 17.Qh3 Rg8 18.Nf5+/– Qc5?? 19.Qh7!! (19.Qh7 Kh7 20.Rh3 Nh4 21.Rh4 Kg6 22.Rh6) 1–0. Bakker,RG – Van Geemen,Jan, corr, 1980.

5.Nc3 Nc6 6.Bf6= gf6 7.e3 (7.Rb1 Rg8 (7...Bc3 8.dc3 Ne5 9.Qd4 Nf3 10.ef3 0-0 11.Bd3=) 8.Na4 Bd6 9.d4 a6 10.Qd3 Rg6 11.e3=) 7...Bf5 (7...Rg8 8.Ne2= Ne5 9.Nf4 c6 10.Nd4 Ng6 11.Nd3=) 8.Bb5+= (8.Rb1 Rg8 9.Bb5 Bc3 10.dc3 Qd6 11.Nh4=) 8...Qd6 (8...Bc3 9.dc3 Qd6 10.Nd4 Bd7 11.0-0=) 9.Bc6 (9.Ne2 Rg8 10.Ng3 Be4 11.0-0+=) 9...Qc6 10.Nd4 Qd7 11.Qf3 (11.Nf5+=) 11...Bc3 12.dc3 Be4 13.Qf6 Rg8 14.f3 Bg6 15.h4 c5 (15...h5!?+=) 16.h5+/– Bh5 (16...Be4 17.fe4 cd4 18.cd4+/–) 17.Rh5+- cd4 18.0-0-0 Qc6 19.Qd4 0-0-0 20.g4 h6 21.Rd3 b6 22.Rd5 Rd5 23.Qd5 Qd5 24.Rd5 Kc7 25.Rf5 Rg7 26.c4 Kd6 27.c5 bc5 28.Rf6 (28.Rf6 Ke5 29.Rc6+-) 1–0. gtate (2655) – davidfmendes (2215), net–chess.com, 2007.

5.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3 d5).

5.e3 b6 6.Be2 Bb7 7.0-0 Nbd7 8.Bf4 Nh5 9.Bg5 Nhf6 10.Nd4 c6 11.Bf4 g6 12.Bh6 Qc7 13.c4 Bf8 14.Bf8 Kf8 15.Nc3 (15.cd5 Nd5 16.Bc4 c5=) 15...Kg7 (15...dc4 16.Bc4 Kg7 17.Rc1=) 16.Rc1 (16.cd5!? cd5 17.Rc1+/–) 16...dc4= 17.Bc4 Ne5 18.Be2 c5 19.Nb1 (19.Nb3 Rhd8=) 19...h5 (19...Qd6 20.Nb5 Qd5 21.f3 Qa2 22.N1c3=) 20.f4= Neg4 21.Bf3 Rhd8 22.Qb3 Bf3 23.Nf3 Qd6 24.Ng5 Nh6 25.Qb2 Kg8 26.Rf3 Re8 27.Qc2 Qe7 28.Nc3 Nf5 29.Qb2 Nd6 30.Qb3 Nfe4 31.Nd5 Qd8 32.Qc2 f6 33.d3 fg5 34.de4 Ne4 35.Rd1 Rf8?? 36.Qb3 Rf7 37.Nb6?? Qb6-+ 38.Qd5 Raf8?? 39.Qe4+= Qb7? 40.Qg6+- Rg7 41.Qh5 Qe7 42.fg5 Rf3 43.Qf3 Rg5 44.Qh3 Rg7 45.Rd5 Qf6 46.Qc8 Kh7 47.Rh5 Kg6 48.Qe8 Rf7-+ 49.Qg8 Kh5 50.h3 Kh6 51.a4 Rg7 52.Qh8 Kg6 53.Qe8 Kh7 54.Qh5 Qh6 55.Qc5 Qh3 56.Qc2 Kh8 57.Qf2 Qh6 58.Qf8 Kh7 59.Qf5 Rg6 60.Qd7 Qg7 61.Qh3 Kg8 62.Qc8 Qf8 63.Qc4 Qf7 64.Qc8 Kg7 65.Qc3 Kf8 66.Qc8 Qe8 67.Qc5 Qe7 68.Qc8 Kf7 69.Qf5 Rf6 70.Qd5 Re6 71.Qh5 Kf6 72.Qh6 Ke5 73.Qf4 Kd5 74.Qd4 Kc6 75.Kf2 Qf6 (75...Qf6 76.Qf6 Rf6 77.Ke2 Kd5-+) 0–1. Schmidbauer,Josef (1605) – Putz,Georg (1780), Niederbayernliga, 2004.

5.e3 Bd7 6.Be2 (6.Nc3 Bc3 7.Bc3 0-0+=) 6...c5 (6...Nc6 7.Nc3 Ne5 8.Ne5=+) 7.0-0 (7.a3 Ba5 8.Nc3 Bc6=) 7...0-0 (7...Nc6 8.Nc3 Ne5 9.Ne5=) 8.Bb2 (better 8.Nc3!?+=) 8...Nc6= 9.c4 Be6 (9...dc4 10.Qc2=+) 10.cd5 Nd5 11.a3 Ba5 12.d4 (12.Qc2 Qe7=) 12...Qf6 (12...Qb6 13.Qc2 cd4 14.Nd4-/+) 13.Qc2 (13.Nbd2 Qh6=+) 13...cd4=+ 14.Nd4 Nd4 (14...Rfc8 15.Ne6 Qe6 16.Qc4=+) 15.Bd4 Qe7 16.Qb2 Bb6 (better 16...Rfc8!?=) 17.Bg7+= Rfc8 18.Bd4 (18.Nd2 f6 19.Bh6 Qf7+-) 18...Qg5 (18...Bd4!? 19.Qd4 Rc2+=) 19.Nd2+- Bh3 (19...Bd4!? 20.Qd4 Qg7+-) 20.Bf3+- Be6 21.Ne4 Qf5?? (better 21...Bd4!? 22.ed4 Qg7+-) 22.Rac1 (better 22.Nd6 Qc2 23.Nc8 Qb2 24.Bb2 Rc8 25.Rac1+-) 22...f6?? (22...Qg6+-) 23.Nd6 Rc1 (23...Qg5 24.h4 Qh4 25.Nc8 Kg7 26.Nb6 ab6+-) 24.Rc1 (24.Nf5 Rf1 25.Kf1 Rd8 26.Bf6 Nf6 27.Qf6 Bf5 28.Qf5 a6+-) 24...Qd3 (24...Qg6 25.Nb7 Rf8 26.Qd2+-) 25.Rd1 (25.Be4 Nf4 26.Bd3 Nd3+-) 25...Bd4 (25...Qg6 26.g3 Rd8 27.Nb7+-) 26.Qd4 (26.Qb7!? Qd1 27.Bd1 Rd8+-) 26...Qa3?? (26...Qd4 27.Rd4 Nc3+-) 27.Nc4 (better 27.Bd5 Qd6 28.Qf6 Re8+-) 27...Qc3 (27...Qe7 28.Bd5 Kg7 29.Be6 Qe6+-) 28.Bd5 Qd4 29.Be6 (29.ed4 Bd5 30.Ne3 Bf7=+) 29...Kf8 30.ed4 Re8 (30...b5 31.Nd6 Ke7 32.Nb5+-) 31.d5 b5 32.Nd6 Rb8 33.Rb1 (33.Nf5 Ke8 34.d6 Rb6 35.Nh6 Rb8 36.Rd3 Rb7 37.Rg3 Rf7 38.Nf7 Kf8 39.Ne5 fe5 40.Rg8) 33...a6 34.Kf1 (34.Rc1 b4 35.Rc7 f5 36.Nf5 Re8 37.Rg7 Re6 38.de6 h5 39.e7 Ke8 40.Rg8 Kd7 41.e8Q Kc7 42.Qe6 a5 43.Rg7 Kb8 44.Qe8) 34...b4 35.Nc4 (35.Rb3 Ke7 36.Nf5 Kd8+-) 35...b3 (35...Ke7 36.Ke2+-) 36.Rb2 (better 36.d6!? Re8 37.Bf5 Rd8+-) 36...Rb4 (36...Ke7 37.Nd2 Kd6 38.Rb3+-) 37.Nd2 a5 38.Rb3 Rb3 39.Nb3 a4 40.Na1 (better 40.Nd4 Ke7 41.Nf5 Ke8+-) 40...Ke7 41.Ke2 Kd6 42.Kd2 Kc5 43.Kc3 h6 44.Nc2 f5 45.g3 h5 46.h4 Kb5 47.Bf5 (47.Bf5 Kc5 48.Ne3+-) 1–0. Steiner,Peter Markus (1695) – Stein,Julian, 9th Rheinland–Pfalz–Open, 2017.

5.e3 Ne4 6.Bd3 Bg4 7.Bg7+= Rg8 8.Be4?? de4-+ 9.c3 Bc3?? 10.Bc3?? ef3+= 11.gf3 Bh5 12.Qa4+/– Nc6 13.Qe4 Ne7 14.Bf6 a5?? 15.Nc3 Qd6 16.Be7 Qe6?? 17.Qb7 Ke7 18.Nd5 Kd7 19.Qc7 Ke8 20.Nf4 Qd7 21.Qe5 Kf8 22.Nh5 Qc6 23.Qe4 Rc8 24.Qc6 Rc6 25.Ke2 Rg5 26.Nf4 Rgc5 27.Nd3 Rc2 28.Rhc1 (28.Rhc1 a4 29.a3+-) 1–0. khani9 – bicycle, ChessWorld.net, 2007.

5.g3 0-0 (--> 4...0-0 5.g3 d5).

5.g3 Nbd7 6.Bb2 Nb6 7.Bg2 Nc4 8.Bc1 c6 9.0-0 Bd6 10.d3= Ne5 11.Nbd2 0-0 12.Bb2 Nf3 13.Nf3 h6 14.Qd2 Qe7 15.Rab1 Re8 16.Rfe1 Bb4 17.Bc3 Bc3 18.Qc3 c5 19.e3 b6 20.Nd2 Rb8 21.Nb3 Bf5 22.Qd2 a5 23.e4= de4 24.Qf4 Bd7 25.Be4= Ne4 26.Re4 Be6 27.Rbe1 Qd7 28.Nc1 Rbc8 29.Qe3 Kf8 30.f4 Bd5 31.Re8= Re8 32.Qe8 Qe8 33.Re8 Ke8 34.c4 Be6 35.Kf2 Kd7 36.Ke3 Kc6 37.Nb3 b5 38.Nd2 a4 39.cb5= Kb5 40.a3 c4 41.dc4 Bc4 42.Kd4 Be6 43.Ne4+= Bb3 44.Nc5 Ba2 45.Nd3 Bb1 46.Nc5 Ba2 47.g4 Bb1 48.h4 Bc2 49.Nb7 Bb3 50.Nd6 Kc6 51.Nf5 Bd1 52.Ne3 Bb3 53.g5 hg5 54.fg5 g6 55.Nc4 Ba2 56.Nb2 Bb3 57.Nc4 Ba2 58.Nd2 Kb6 59.Ne4 Kc6 60.Nc5 Kb5 61.Nd3 Bb3 62.Nc5 Ba2 63.Nd3 Bb3 64.Nb4 Bd1 65.Nd5 Bb3 66.Ne3 Ba2 67.Ke5 Kc5 68.Nc2 Bb3 69.Ne3= Ba2 70.Nf5 gf5 71.h5= f4 72.Kf4 Kc4?? 73.Kf5+- Bb1 74.Kf6 Kb3 75.Kf7 Ka3 76.g6 Kb4 77.h6 1–0. Valenta,Vit – Jiretorn,Eva, Pec Pod Snezkou, 2001.

5.g3 Be6 6.Bg2 Nbd7 7.Bb2 c6 8.Nc3 0-0 9.0-0 Re8 10.a3 Ba5 11.Nd4 Bg4 12.Re1 Nc5 13.h3 Bh5 14.Nb3 Nb3 15.cb3 Qd6 16.b4 Bb6 17.Na4 Bc7 18.Nc5 Nd7 19.Nb7+= Qe7 20.g4 Bg6+= 21.Rc1 Rab8 22.Nc5 Nc5 23.Rc5 Qd6 24.Qc1 Qh2 25.Kf1 a5 26.Rc6+/– Bd6 27.Bc3?? ab4 28.ab4 Bb4 29.Bb4+/– Rb4 30.Qc5 Ra4 31.Qd5 h6?? 32.Rg6 (32.Rg6 Qb8 33.Rd6+-) 1–0. lea_dc – Raimondi, internet, 2005.

5.g3 Be7 6.Bg2 Be6 7.0-0 0-0 8.d3 c5 9.Bb2 Nc6 10.Nbd2 Qd7 11.Re1 Rac8 12.Ng5 h6 (12...Bg4!?=) 13.Ne6+= fe6 14.Bh3 Nh7 15.Nf3 Bf6 Black plans d4 16.Bf6 Rf6 17.c4 d4 18.Bg2 Rcf8 19.Rf1 Qf7 20.Qd2 g5 21.h3 Qc7 22.Nh2 Ne5 23.Be4 Qg7 24.Rab1 R6f7 25.Bg2 Nf6 Black intends g4 26.e3 g4 (better is 26...Rd8!?+=) 27.ed4+/– cd4 28.Rbe1 Nf3 (28...Nfd7!? 29.Ng4 Ng4 30.hg4 Nc5+/–) 29.Nf3 gf3 30.Bf3 e5 31.Bg2 (31.Re5 Nh7 32.Bb7 Qe5=) 31...Re7 32.Kh2 Kh8 33.Qe2 Rg8 34.Qf3 Rf8 35.Qe2 Rg8 36.Bh1 Qg5 37.Rg1 Rgg7 38.Be4 Ne4 39.Qe4 (worse is 39.de4 h5+=) 39...Qf6 40.Rgf1 Qg5 41.Re2 Rgf7 42.Qd5 Kg7 43.Re4 Rf3?? (better is 43...Qd2 44.Rg4 Kf8 45.Qd8 Re8 46.Qd6 Ree7+-) 44.Rg4+- (44.Rg4 Qg4 45.hg4+-) 1–0. Valenta,Vit jr (2160) – Reznicek,M (2075), 15th IPCA WCh, 2015.

5.a3 Ba5

6.Bb2 c5 7.e3 0-0 8.Be2 Nc6 9.0-0 Bf5 (9...Re8 10.Nc3=) 10.c4 (10.Nh4 Be6=+) 10...d4 11.ed4 (11.Nh4 Be4=+) 11...cd4 (11...Qb6 12.Bc3 cd4 13.Ba5 Qa5 14.Qb3=) 12.d3 (12.Qb3 d3 13.Bd1 Bb6=+) 12...Re8 13.Nbd2 Bc7 (better is 13...Bc3 14.Rb1 Qd6-/+) 14.Qc2?? (better is 14.Nb3=) 14...Re2-+ 15.Rfe1 Re1 16.Re1 Nd7 17.Nb3 Nf6 18.Nbd4?? Nd4-+ 19.Nd4 Bg6 20.Nf3 Qd3 21.Qc3 Qc3 22.Bc3 Re8 23.g3 Re1 24.Ne1 Ne4 25.Bd4 a6 26.Nc2 Ng3! 27.hg3 Bc2 28.c5 Bb3 29.f4 g6 30.Kf2 f5 31.Ke3 Kf7 32.Kd2 Ke6 33.Kc3 Bd1 34.a4 Kd5 35.Bg7 Ba5 36.Kd3 Kc5 37.Bd4 Kb4 38.Bg7 Ka4 39.Bf8 b5 40.Bg7 Bf3 41.Ke3 Be4 42.Kd4 b4 43.g4 b3 44.gf5 b2 45.Ke4 b1Q 46.Ke5 Qf5 47.Kd6 Qf4 48.Ke6 Qf5 49.Kd6 Bb4 50.Kc6 Qc5 51.Kd7 Qd6 52.Kc8 Ba5 53.Kb7 Qc7 (53...Qc7 54.Ka8 Bb6 55.Bd4 Qc8) 0–1. OutOfBounce – PawnGobbler, Live Game Caissa's Web, 2005.

6.Bc3 Bc3 7.Nc3= d4 8.Na4 0-0=+ 9.e3 Re8 10.Be2 Nc6 11.0-0 Qd5 12.Rb1=+ a6 13.Nd4 Nd4 14.ed4 Qd4 15.Rb4 Qd6 16.Bf3 Rb8 17.Nc3 b5 18.d3 Bf5 19.Re1 Re1-/+ 20.Qe1 Re8 21.Qa1 c5 22.Rb1 c4 23.dc4 bc4 24.Rc1 Qd2 25.Na2 Ne4 26.Be4 Be4 27.Re1 Qc2 28.f3 Bc6 29.Nb4 Re1 30.Qe1 Qa4 31.Qe5 h5 32.Qb8 Kh7 33.Qe5 Qd1 34.Kf2 Qd2 35.Qe2 Qd4 36.Qe3 Qb2 37.Kg3 Bb5 38.h4 Qf6 39.Qc5 g6 40.a4 Ba4 41.Qc4 Bb5 42.Qf4 Qe6 43.Qd4 Bc4 44.Kh2 a5-+ 45.Nc2 Bb3 46.Qc3 a4 47.Nd4 Qe5 48.Kg1 Bd5 49.Kf2 a3! 50.g3 a2 51.Kg2 Qf6 52.Qb2 Qa6 53.Qa1 Qd3 54.Qg1 0–1. Johannes,Jan – Gyger,Werner, corr TKM/A002, 1999.

6.Bc3 c5 7.e3 =+.

6.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

6.e3 0-0 7.Be2 c5 8.0-0 Nc6 9.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.e3 0-0 7.Be2 c5 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5 8.Be2).

6.e3 Bg4 7.Be2 0-0 8.0-0 c5 9.c4 Nc6 10.Bb2 Qd6 11.cd5 Nd5 12.d4 cd4 13.Nd4 Bc7 14.g3 Bh3 15.Re1 Ba5 16.Nd2 Nc3 17.Bc3 Bc3 18.Ne4 Qd5 19.Bf3 Qa5 20.Nc6 bc6 21.Nc3 Qc3 22.Qc1 Qa5 23.Qc6 Rac8 24.Qd5 Rc5 25.Qd4 Rd8 26.Qh4 Be6 27.Red1 Rdc8 28.Qb4 Qc7 29.Rab1 Bf5 30.Rb2 Bh3? 31.Qb7 Qa5+/– 32.Qb4 Qc7+- 33.Rbd2 g6 34.Rd5 Rb8?? 35.Qb8! (35.Qb8 Qb8 36.Rc5+-) 1–0. Flaherty,K – Van der Kooij,W, corr, 1988.

6.e3 Bg4 7.Be2 0-0 8.0-0 c5 9.h3 Bh5 10.d4 c4 (10...Nc6 11.g4 Bg6 12.dc5=+) 11.c3 (11.Ra2 Nc6=+) 11...Nc6 12.Bh2 Re8 13.Qc2 Ne4 14.Nbd2? (better 14.Qb2=+) 14...Nc3-+ (14...Bc3?! 15.Ne4 Ba1 16.Nd6-/+) 15.Bc4?! (15.Bd1-+) 15...dc4 16.Nc4 Bf3 17.gf3 Nd5 (17...Rc8!? 18.Ne5-+) 18.Na5 Qa5 (18...Na5 19.Rfc1-+) 19.Rfd1 Rac8 20.Qf5 g6 21.Qg4 h5 22.Qg3 (22.Qh4 Red8-+) 22...Nc3 23.Re1 Ne7 (23...Qd5 24.Kg2-+) 24.Kh1 Nf5 25.Qg5 Qd8 26.Qf4 (26.Bf4 Qg5 27.Bg5 Kg7-+) 26...Qh4 (better 26...Nd5 27.Qe4 Re4 28.fe4 Nde3 29.fe3-+) 27.Kg2 (27.Qh4 Nh4 28.f4 b5-+) 27...Nd5 (better 27...Qf6!? 28.e4 Nh4 29.Kg3 Qf4 30.Kf4 Ng2 31.Kg3 Ne1 32.Re1-+) 28.Qh4 Nh4 29.Kg3 Nf5 (29...g5 30.f4 Ne7 31.fg5 Nef5 32.Kf4 Nd4 33.ed4 Ng2 34.Kf5 Ne1 35.Be5-+) 30.Kg2 Nb6 (30...g5 31.Rg1 Nh4 32.Kh1-+) 31.Rac1 Nc4 32.a4 a6 (32...g5 33.f4 g4 34.d5-+) 33.Rb1 (33.d5 g5 34.f4 g4-+) 33...Nfd6 (33...Nh4!? 34.Kg3 g5 35.f4-+) 34.e4 Red8 35.d5 b5 (35...b6 36.Rec1-+) 36.ab5 ab5 (36...Nb5 37.Rb3-+) 37.Rb4 (37.Bd6 Nd6 (37...Rd6?! 38.Rb5 Ne5 39.h4-/+) 38.e5 Rc5 39.ed6 Rd6 40.Re8 Kg7-+) 37...Rc5 38.e5 (38.Bf4 f6-+) 38...Nf5 (38...Rd5?! 39.ed6 Kg7 40.Reb1-/+) 39.d6 Nd4 40.Rd1 (40.Rbb1 Nc6 41.f4 f6-+) 40...Nc6 41.Rbb1 N6e5 42.d7 (42.Rbc1 Kg7-+) 42...Rd7 43.Rd7 Nd7 44.Rd1 Ndb6 45.Rd8 Kg7 46.Rb8 (46.Bd6 Nd6 47.Rd6 Nd5-+) 46...b4 47.Bd6 (47.Re8 b3-+) 47...Nd6 48.Rb6 Nb5 49.Kf1 (49.Ra6 b3 50.Ra4-+) 49…b3 (49...b3 50.Rb5 Rb5 51.Ke1 b2 52.Kf1 b1Q 53.Ke2 Rd5 54.Ke3 Qe1 55.Kf4 Qe5) 0-1. snaiper_reinjer (2075) - Sorrow_cz (2225), Rated Blitz game, lichess.org, 2016.

5.a3 Bd6

6.d4 Be5 7.de5 Ne4 8.Qd3 0-0 9.e3 c5 10.Nc3 Qa5 0–1. phildo (1855) – guardiao (2490), gameknot.com, 2014.

6.e3 Be5 7.Ne5 Nbd7 8.Nf3 0-0 9.Be2 Ne4 10.0-0 c5 11.d3 Qf6 12.de4 Qa1=+ 13.Qd5 Qb2 14.Bd3 Rb8 15.e5 b5 16.e6 fe6 17.Qe6 Kh8 18.Ng5 Ne5 19.Qd6 Bg4 20.Bh7 b4 21.Qc5+= Bf5 22.Bf5 Rf5 23.Qd4 Qd4= 24.ed4 Nc4 25.h4 Na3 (25...Na3 26.Rc1 Nb5-/+) 0–1. Niewold,Jaap (1730) – Martins,Karin, TE.2004.P.01702, 2004.

5.a3 Be7

6.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3 d5).

6.e3 0-0 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Be7 7.Nf3).

6.e3 0-0 7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Be2 d5 7.Nf3).

6.e3 0-0 7.Be2 c5 8.Bb2 Nc6 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Be2 d5 7.Nf3 c5 8.0-0 Nc6 9.Bb2).

6.e3 c5 7.Be2 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Be2 d5 7.Nf3 c5).

6.e3 Nc6 7.Bb2 0-0 8.c4 Be6 9.Ng5 Bf5 10.Nc3 dc4 11.Bc4 Ne5 12.Be2 Nd3 13.Bd3 Bd3 14.Qb3 h6 15.Nf3 Bd6 16.Nb5 Bb5 17.Qb5 Re8 18.0-0 a6 19.Bf6 ab5 20.Bd8 Red8 21.Nd4 Be5 22.Rab1 Bd4 23.ed4 c6 24.Rb3 Rd4 25.d3 Rda4 26.Ra1 b4 27.Rab1 ba3 28.Rb7 a2 29.Ra1 c5 30.Rc7 Rb4 31.Rc5 Rb1 32.Rc1 Rc1 33.Rc1 a1Q 0–1. purplegadge (1765) – greencat (1805), gameknot.com, 2014.

6.e3 Nbd7 7.Bb2 0-0 8.Be2 Re8 9.0-0 Nb6 10.Nc3 Bg4 11.d3 c5 12.Rb1 =.

5.Bb2 0-0

6.e3 c5 7.a3 Ba5 8.c3? Qb6 9.Qc2 Bf5! 10.d3 (10.Qf5 Qb2 Deflection) 10...c4! 11.Nbd2 (11.dc4 Bc2 Pinning (11...Bc2 Deflection)) 11...Nbd7 12.Nd4 Bg6 13.Rb1 (13.0-0-0 Nc5 14.N2f3 cd3 15.Bd3 Bd3 16.Rd3 Nfe4-+) 13...Nc5 14.Ba1 Qd6 15.Nb5 (15.Qa2 cd3 16.N2b3-+) 15...Qe7 16.h3 Nd3 17.Bd3 Bd3 (17...cd3?! 18.Qa2-+) 18.Qd1 (18.Qa4 Bb6 19.Nd4 Bb1 20.Nb1 Ne4-+) 18...Ne4 19.Rc1 (19.Qf3 a6 20.Nd4 Qa3 21.Ne4 Bb1-+) 19...Ng3 20.Qf3 (20.Rh2 Nf5 21.Nf1-+) 20...Nh1 21.g4 (21.Bb2 Bb6 22.Qf4 Rae8-+) 21...Bb6 22.Nd4 (22.Bb2 Be3! 23.fe3 Qh4 24.Kd1 Nf2 25.Ke1 Nh3 26.Kd1 Nf2 27.Ke1 Ne4 28.Kd1 Qh2 29.Ne4 de4-+) 22...Bd4 23.cd4 Qa3 24.Qd1 Qd6 25.f4 Qe7 26.Nf1 Qh4 27.Kd2 Qf2 28.Kc3 Qa2 29.Nd2 Nf2 30.Qe1 Qa3 (30...Qa3 31.Nb3 Ne4#) 0–1. Baer,Cy (1895) – Elwing,Wolfgang (2240), CiF, 2007.

6.e3 c5 7.Be2 Nc6 8.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2 Nc6 8.0-0).

6.e3 c5 7.Be2 Nc6 8.0-0 Re8 9.d3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

6.e3 c5 7.h3 Ba5 8.Be2 Nc6 9.c3 Re8 10.Ba3 Ne4 11.Bd3 Qd6 12.0-0 Bc7 13.Re1 (13.Bc2 Ng5 14.Re1 Nf3 15.Qf3 Qh2 16.Kf1 Ne5-/+) 13...Re6 14.Qc2 Rg6 15.Kf1 (15.Be4? de4 16.Qe4 Bh3-+) 15...Rg2 Threatening mate... how? 16.Be4 (16.Kg2 Qg6 17.Kf1 Bh3 18.Ke2-+) 16...de4 17.Qe4 Bh3 18.Ke2 Bg4 19.Rh1 (19.Kf1 Rf2! 20.Kf2 Qg3 21.Ke2 Qg2 22.Kd3 Bf3 23.Qh4 Be4 24.Qe4 Rd8 25.Qd4 Qg6 26.e4 cd4 27.Kc2-+) 19...h5 20.Kf1 (20.Bc5 Rf2!! 21.Kf2 Qg3 22.Ke2 Qg2 23.Kd3 Qh1 24.Ng5 Qf1 25.Kc2-+) 20...Rf2! 21.Kf2 Decoy theme: f2 21...Qg3 22.Kf1 (22.Ke2 Qg2 23.Kd3 Bf3 24.Qf3 Qf3 25.Rg1-+) 22...Bf3 (22...Qf3?! 23.Qf3 Bf3 24.Rg1-+) 23.Qh4 Qg2 (23...Qg2 24.Ke1 Qe2) 0–1. petrobbo (2020) – RaInDoGs (2150), ChessWorld.net, 2010.

6.e3 Bd6 7.Be2 c5 8.0-0 Nc6 9.d3 Bg4 10.Nbd2 Re8 11.c4 Be7 12.Rb1 b6 13.cd5 Nd5 (13...Qd5 14.Nc4=) 14.Qa4 (14.d4 Rc8=) 14...Bd7=+ 15.Qb3 Be6 16.Qa4 Qd7 17.a3 Rad8 18.Rfe1 Bf6 19.Bf6 Nf6 (worse 19...gf6 20.Qc2+=) 20.Nc4 Nd5 21.Rec1 (21.Qc2 Qe7=) 21...f6 (better 21...Nd4! 22.Qd1 Ne2 23.Qe2 Nf4-+) 22.Bf1 (22.Qc2 Nc7=) 22...Bf7 23.g3 Na5?? (better 23...Ne5 24.Qd7 Nf3 (worse 24...Rd7 25.Nce5 fe5 26.d4 ed4 27.Bb5+=) 25.Kg2 Nh4 26.Kh3 Rd7 27.Kh4 h5=+) 24.Qd7+- Rd7 25.Na5 ba5 26.Rc5 Nb6 27.Ra5 Bh5?? (27...Bg6 28.Rc1+-) 28.Nd4 (better 28.Rh5 Rc7 29.d4+-) 28...Bg6 29.Rc1 Nd5?! (29...Re5 30.Ra6+-) 30.Nf3 (better 30.Bh3!? Rdd8+-) 30...Nb6 (30...Kf8 31.d4 Red8 32.Bb5+-) 31.d4 Be4 (31...Rb8 32.Rac5+-) 32.Nd2 Bg6 (32...Ba8 33.Bb5 Rd5 34.e4 (worse 34.Be8 Ra5 35.a4 Kf8+-) 34...Rd4 35.Be8 Rd2 36.f3+-) 33.Bg2 (33.Bb5 Rd5+-) 33...Red8 34.Rac5 Re8 (34...Kf8 35.h4+-) 35.Nc4 (better 35.Bc6 Rd6 36.Be8 Be8+-) 35...Nc4 36.R5c4 Bd3 37.Rc7 Red8 38.Bf3 Kf8 39.Kg2 Ke7 40.R1c6 (40.R7c3 Bf5+-) 40...Bb5 41.Rc5 Ba4 (41...Rc7 42.Rc7 Rd7 43.Rd7 Kd7+-) 42.Bg4 Rc7 43.Rc7 Kf8 44.Ra7 Bc6 45.Bf3 Bf3 (45...Rd7 46.Rd7 (46.Bc6?! Ra7 47.a4 Ke7+-) 46...Bd7 47.Bd5+-) 46.Kf3 Rb8 47.a4 1-0. bjoernsen (2405) - bamrz (2220), Rated Blitz game, lichess.org, 2016.

6.e3 Bf5 7.Be2 c6 8.0-0 Re8 9.d3 Nbd7 10.Nbd2 Bd6 11.c4 Qe7 12.Nd4 (12.cd5 Nd5 13.Nd4 Bg6=) 12...Bg6 13.cd5 cd5 14.Rc1 Nc5 15.N2f3 a6 (15...Ng4 16.Nb5 Bf4 17.Bd4+=) 16.Re1 (16.Nh4 Qe5 17.g3 Rac8+=) 16...Rac8 17.Qd2 (17.Nh4 Qe5 18.g3 Rf8+=) 17...Na4 18.Ba1? (better 18.Rc8 Rc8 19.Rc1 Rc1 20.Bc1=) 18...Bb4-+ 19.Rc8 Bd2 (19...Rc8?! 20.Rc1 Bd2 21.Rc8 Ne8 22.Nd2=+) 20.Re8 Qe8 21.Nd2 h6 (21...Nc5 22.Rc1 Nd3 23.Rc7-+) 22.N2f3 (22.Rc1 Nd7 23.N4b3 Ne5=+) 22...Nc5-/+ 23.Rd1 Qa4 24.Ne5 (24.Rd2 Qb4 25.Rb2 Qc3-+) 24...Bh7 (24...Qa2 25.Bc3 Qa3 26.Ba1-+) 25.Bc3 (25.Rd2-/+) 25...g5 (25...Qa3 26.Be1 Qa2 27.Rd2-+) 26.h3? (26.Rd2 Qa3 27.Rc2 Nfd7=+) 26...Nfd7 (26...Qa3!? 27.Be1 Nfd7 28.Nd7 Nd7-+) 27.Ng4=+ Bd3 28.Nh6 (28.Rd3 Nd3 29.Bd3-/+) 28...Kh7-/+ 29.Rd3 Nd3 (better 29...Kh6 30.Nf5 Kh7 31.Rd5 Qc2-+ (31...Qa2?! 32.Bf3-/+)) 30.Bd3+/- Kh6 31.Nf5 Kg6? (better 31...Kh7 32.Ne7 Kh6 33.Ng8 Kh5 34.g4 Kh4+-) 32.Ng3?? (better 32.Nd6 f5 33.Bf5 Kh6 34.Nf7 (34.Nb7?? Qc6-+) 34...Kh5 35.g4 Kh4 36.Bd7 Qd7 37.Ne5 Kh3 38.Nd7 Kg4 39.Kg2+-) 32...Kh6?? (better 32...f5 33.Bf5 Kf7-+) 33.Nf5= Kh7 (33...Kg6 34.Nd6 f5 35.Bf5 Kh6 36.Nf7 Kh5 37.g4 Kh4+-) 34.Ne7+- Kh6 35.Nf5 ½-½. bjoernsen (2425) - AlejandroTC (2495), Rated Blitz game, lichess.org, 2016.

6.e3 Bg4 7.Be2 Nbd7 8.0-0 Re8 9.h3 Bh5 10.Nh2 Bg6 11.c4 Bd6 12.cd5 Nd5 13.Bf3 c6 14.Nc3 Nc3 15.Bc3 Qc7 16.g3 Ne5 17.Be5 Be5 18.Rc1 Bd6 19.Be2 Bf5-/+ 20.Bg4 Bd3 21.Be2 Bf5 22.Bg4= ½–½. Wartig,Wolfgang – Maier, corr ICCF EU–H–GT–213, 1989.

6.e3 Bg4 7.Be2 Re8 8.0-0 Bd6 9.d3 Nbd7 10.Nbd2 Nf8 (10...Nb6 11.c4=+) 11.c4 c6 12.Rb1 b6 13.Re1 Ng6 14.Rc1 h5 (14...Be6 15.cd5 Nd5 16.Nd4=) 15.Bf6 (15.cd5 Nd5 16.Rc6 Nb4+/-) 15...Qf6= 16.cd5 cd5 17.Qa4 Qe7 Black intends h4 (17...Ne5 18.d4 Nf3 19.Bf3+=) 18.Rc2 (18.Nd4 Qh4 19.h3 Bh3 20.gh3 Qh3=) 18...Bd7 (18...Rac8 19.Nd4=) 19.Qb3 Be6 20.Qa4 (20.d4 Rac8=) 20...h4= 21.Nd4 Bd7 22.Qb3 h3 (22...Rad8 23.h3= (worse 23.Qd5 Ba4 24.Qc4 Bc2 25.Qc2 h3=+)) 23.Qd5 hg2 24.Qg2 Nh4 25.Qd5 Be6 (25...Rad8 26.Qh5+=) 26.Qh5 (26.Ne6 fe6 27.Qh5 Bb4+/-) 26...g6 27.Qh6 Qf6?? (better 27...Rac8 28.Rc8 Rc8 29.Ne6 Nf5+/-) 28.Ne4+- (28.Ne6?! Re6 29.Ne4 Bh2 30.Kh2 Re4 31.de4 Qf2 32.Kh3 Qe1 33.Qh4 Qh1 34.Kg3 Qe1 35.Kg4 Qb1+/-) 28...Qe5 (28...Bh2 29.Kh2 Qh8 30.Qh8 Kh8 31.Ng5+-) 29.Qh4 (better 29.f4 Qh8 30.Qh8 Kh8 31.Nd6+-) 29...Bb8 (29...Be7 30.Qg3 Qg3 31.hg3 Bd5+-) 30.Nf6 Kg7 31.Ne8 Kf8 32.Nf6 (32.Nf6 Qh2 33.Qh2 Bh2 34.Kh2+-) 1-0. bjoernsen (2260) - bamrz (2215), Rated Blitz game, lichess.org, 2016.

6.e3 Bg4 7.Be2 Re8 8.Bf6 Qf6 9.c3 Bc5 10.Qb3 Qb6 11.d4 Qb3 12.ab3 =.

6.e3 Bg4 7.h3 Bh5 8.Be2 Nc6 9.0-0 Re8 10.d4 Ne4 11.c3 Bd6 12.Nbd2 Na5 13.Ne4 Re4 14.Nd2 Be2 15.Qe2 Re6 16.a4 c6 17.Ba3 Ba3 18.Ra3 Qh4 19.Ra2 Rae8 20.Rb2 b6 21.Qd3 Qg5 22.Nf3 Qh5 23.Nd2 Rg6 24.Kh2 Qg5 25.Rg1 Qf6 26.Rf1 Qd6 27.Kg1 Qe6 28.Rb4 Qf6 29.Rfb1 Qh4 30.R4b2 f5 31.Kf1 Qg5 32.g3 Qe7 33.Kg2 Qe6 34.Rh1 Rf8 35.Kh2 Rf7 36.Rc1 Rh6 37.Qf1 Rh5 38.Qe2 Qh6 39.Qf1 g5 40.c4 f4 41.ef4 dc4 42.Nc4 gf4 43.g4 Nc4 44.Rc4 Rd5 45.Qc1 Qf6 46.Rc6 Qd4 47.Re2 Rd8 48.Qe1 Qa4?? 49.Re8 Re8 50.Qe8 Rf8 51.Qe6 Rf7 52.Rc7 Qe8 53.Qe8 Rf8 54.Qd7 Rf7 55.Qf7 Kh8 56.Qh7 1–0. Ermolaev,Andrey (1850) – Martins,Karin, IECG, 2004.

5.Bb2 c5

6.c3 Ba5 7.Qa4 Nc6 8.c4 (8.e3 0-0=+) 8...d4-/+ 9.e3 0-0 10.Be2 Bc7 (10...d3 11.Bd1-/+) 11.Qc2 (11.Qb3 Re8=+) 11...Re8 12.a3 Bg4 13.0-0? (13.h3 Bf3 14.Bf3 Ne5-/+) 13...Rc8?? (better 13...Qd6 14.g3 d3 15.Bd3 Bf3 16.Bf6 Qf6-+ (16...gf6?! 17.Bh7 Kg7 18.Bf5-+)) 14.h3=+ Bh5 15.ed4?? (better 15.Re1=+) 15...Re2-+ 16.d5 (16.g4 Bg6 17.Qd1-+) 16...Bf3 17.gf3 (17.g3 Ne5 18.Be5 Re5 19.Nc3-+) 17...Qd6 18.Re1 (18.f4 Qf4 19.d6 Bd6 20.Be5 Be5 21.Qh7 Nh7 22.Kg2 Qg3 23.Kh1 Qh2) 18...Re1 19.Kg2 Qh2 0-1. sexy_and_i_know_it (2410) - Vinvin (2155), Rated Bullet game, lichess.org, 2016.

6.e3 0-0 7.Be2 Nc6 8.0-0 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Bf5).

6.e3 Nc6 7.Be2 0-0 8.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2 Nc6 8.0-0).

6.e3 Nc6 7.Be2 0-0 8.0-0 Bf5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Bf5).

5.Bb2 Bd6

6.e3 0-0 7.Be2 Be6 8.0-0 c5 9.d3 h6 (9...Re8 10.c4=+) 10.Nbd2 (10.Na3 Nc6=) 10...Nc6 11.Rb1 Qe7 (11...Rb8 12.c4=) 12.c4 (12.Bf6 Qf6 13.Rb7 Rab8 14.Rb8 Rb8+=) 12...b6 13.a3 Rac8 14.Qa4 Rfd8 15.Rfe1 dc4 16.Nc4 Bb8 17.e4 (17.Qc2 Nd5=) 17...Nh7 18.Ne3 (18.Qc2 Nd4 19.Bd4 cd4=+) 18...Ng5 19.Nd2 (19.Ng5 Qg5 20.Nc2 Bh3=+) 19...Nd4-/+ 20.Bf1 (better 20.Bg4-/+) 20...Nh3?? (better 20...Qc7 21.f4 b5-+) 21.gh3= Qd6 22.Bg2 Qh2 23.Kf1 Bd7 24.Qd1 Bh3 25.Bd4 cd4 26.Qf3 (better 26.Nf3 Bg2 27.Ng2 Qh1 28.Ke2 Qg2 29.Rg1-+) 26...Qh1?? (better 26...de3 27.Re3 Bg2 28.Qg2 Qg2 29.Kg2 Bf4-+) 27.Ke2+- Bg2 28.Ng2 (28.Rh1? Bf3 29.Nf3 de3 30.fe3 Rc2 31.Nd2 Rc3-+; 28.Qg2?! Qh5 29.Ng4 Bf4+=) 28...Qh2 29.Rbc1 (29.Nc4 Qc7+-) 29...Rc1 (29...Qd6 30.Rc8 Rc8 31.Nh4+/-) 30.Rc1 Be5 (30...Qd6 31.Nb1+/-) 31.Rc6 (31.Qg4 h5 32.Qf5 Bd6+-) 31...Bf6 (31...Bd6 32.Rc4+-) 32.Nc4 (32.Nf4 Bg5 33.Nd5 Qe5+-) 32...Qh1 (32...b5 33.Na5+/- (33.Rf6?! gf6 34.Na5 Qc7+=)) 33.Qg3 (33.Rc7 b5 34.Nd2 a6+-) 33...Qh5 34.f3 Kh7 (34...b5 35.Na5 Be5 36.Qh4 Qh4 37.Nh4+-) 35.Nf4 Qg5? (better 35...Qh1!? 36.Qh3 Qb1 37.Qf5 Kg8 38.Rf6 gf6 39.Qf6 Rf8+-) 36.Qg5 hg5 37.Nd5 Be5 (37...Rh8+-) 38.Ne5 Rd5 (38...f6 39.Nf7 Rd7+-) 39.ed5 b5 40.d6 b4 41.d7 b3 (41...b3 42.Rc1 g6 43.Rh1 Kg7 44.d8Q g4 45.Qh8; 41...g6 42.d8Q g4 43.Qf8 gf3 44.Nf3 ba3 45.Ng5) 0-1. bjoernsen (2260) - sack (2275), Rated Blitz game, lichess.org, 2016.

6.e3 0-0 7.Be2 Re8 8.Nc3 a6 9.0-0 b5 10.Nb1 c5 11.d4 c4 12.a3 -/+.

6.e3 c5 7.Be2 Nc6 8.0-0 0-0 9.d3 Qc7 10.Nbd2 (10.Bf6 gf6 11.Nc3 d4+=) 10...Nd7 (10...Ng4 11.h3 Nh2 12.Nh2 Bh2 13.Kh1=) 11.c4= Ne7 (11...Nb6 12.cd5 Nd5 13.Ne4=) 12.Rc1 b6 13.cd5 Nd5 14.Qb3 Bb7 15.Rfd1 Rae8 16.Bf1 (16.d4 N5f6+=) 16...Re6 (16...a6 17.d4=) 17.d4+= Rh6 18.h3 Re8? (18...N5f6 19.Bd3+=) 19.e4 (better 19.Bc4 N7f6 20.e4+-) 19...Nf4+/- 20.e5 (20.Bc4 Kf8 21.e5 Be7+/-) 20...Bf8 (20...Be7 21.Bc4 Kh8 22.Kh1+=) 21.Bb5 (21.Bc4 Re7+=) 21...a6 (better 21...Bd5 22.Qe3 Ne6+=) 22.Bd7?? (better 22.Bc4 Re7 23.d5 Ne5 24.Be5 Re5 25.Ne5 Qe5 26.Nf1=) 22...Qd7-+ 23.dc5 (23.Kf1-+) 23...Nh3! 24.Kf1 (24.gh3 Rg6 Double attack) 24...Nf4 (24...Bc5?! 25.gh3 Rh3 26.Ke2=+) 25.Ne4 Rh1 26.Ng1 Qg4 27.Qf3 Qf3 28.gf3 Be4 (better 28...Bc6!? 29.Rc4 Bb5 30.Rdc1 bc5 31.a4 Bc4 32.Rc4-+) 29.fe4 Bc5 (29...bc5 30.Bc3-+) 30.Rd7 h5 31.Rc3 h4 (31...g5 32.Rf3-+) 32.Rf3-/+ g5 33.e6 (33.Rf4 gf4 34.Kg2 Rg1 35.Kg1-/+) 33...Re6 34.Rd8 Bf8 (better 34...Kh7 35.Rh8 Kg6 36.Rg8 Kh5 37.Rh8 Rh6 38.Rh6 Kh6 39.Rf4 gf4-+) 35.Ba3?? (35.Rf4 h3 (worse 35...gf4 36.Kg2 Rg1 37.Kg1=) 36.Rg4 h2-/+) 35...Ng6 (better 35...h3 36.Rg3 h2 37.Bf8 Re4 (37...hg1R?! 38.Rg1 Rg1 39.Kg1-+; 37...hg1B?! 38.Rg5 Rg6 39.Rg6 Ng6 40.Bd6 Kg7 41.Kg2=+; 37...Rg1?! 38.Rg1 hg1R 39.Kg1-+; 37...hg1Q?! 38.Rg1 Rg1 39.Kg1-+; 37...hg1N?! 38.Rg5 Rg6 39.Rg6 Ng6 40.Bd6 Kg7 41.Kg2-/+) 38.Bc5 Kg7 39.Bd4 f6 40.Rd7 Kg6-+) 36.Kg2 Rg1 37.Kg1 Re4 38.Rc3 (38.Rf6!? Kg7 39.Bb2-/+) 38...Re1 39.Kg2 Kg7 40.Bb2 Kh7 41.Rc7 (41.Rf3 Re2 42.Rf7 Kh6-/+) 41...Re7 (41...Be7 42.Rdd7-+) 42.Rdd7 (42.Re7 Be7 43.Rd7 g4-/+) 42...Nf4 43.Kf3 Rd7 44.Rd7 Ne6 (44...Ne6 45.Rf7 Kg8+/-) 0-1. bjoernsen (2365) - AlexisTsipras4Life (2270), Rated Blitz game, lichess.org, 2016.

5.c3 Bd6

6.d4 0-0 7.Nbd2 Nc6=+ 8.Bg3 Ne7 9.e3=+ Nf5 10.Bd3 Re8 11.Bf5 Bf5-/+ 12.Qb3 b6 13.Bh4 Be7 14.Ne5 Qd6 15.Bg3 Qe6 16.0-0 Nh5 17.c4 c6 18.Rac1 Ng3 19.fg3= Rac8 20.Nc6 dc4 21.Ne7 Qe7 22.Nc4+= Be6 23.e4 f6 24.d5 Bf7 25.Nd2 Rc5 26.Qd3+/– Rec8 27.Rc5 Qc5+= 28.Kh1 Be8 29.Nb3 Qb4 30.Rd1 Bb5 31.Qf3 Rc4 32.h3 Re4 (32...Re4 33.d6 Bd7+=). Tebar Sanchez,J – Bernabe Pajares,M, IICEAP, 1980.

6.d4 c5 7.e3 Nc6 8.Bg3 Ne4 9.Bd3 f5 10.Ne5 Ng3 11.Nc6 bc6 12.hg3 0-0 13.Qh5 h6 14.f4? Qe7 15.Kf2 c4 16.Be2 Re8 17.Qf3 Rb8 18.Nd2 Rb2 19.Nb1 g5 (19...g5 20.e4 Qe4-+) 0–1. Tebar Sanchez,J – Mula Rodriguez,D, IIICEAP, 1984.

6.Bd6= Qd6 7.d3 Nbd7 (7...0-0 8.e3=+) 8.g3 (8.e3 0-0=) 8...0-0=+ 9.Bh3 (9.Bg2 Re8=+) 9...Ne5 (9...Re8=+) 10.Bc8 (10.Bg2!?=+) 10...Nf3-/+ 11.ef3 Re8 12.Kd2 Rac8 13.a4 Qb6 14.Qc2 Qf2 15.Kc1 Qf3 16.Qd1 Qf2 17.Nd2 Qc5 18.Qc2 Re2 19.Rb1 Rce8 20.Rb7 d4 21.cd4 Qd5 22.Rd1 Qb7 23.Qc4 R8e6 24.Qc3 Nd5 25.Qb3 Rc6 26.Kb2 Rb6 27.Qb6 Qb6 28.Ka1 Qd4 29.Ka2 Qb4 30.Rh1 Rd2 31.Ka1 Qb2# 0–1. theblizzard – Alissa, ChessWorld.net, 2005.

6.Bd6= Qd6 7.e3 0-0 =+.

6.Bd6 Qd6 7.g3 Bg4 8.Bg2 Nbd7 9.0-0 0-0-0 10.d3 h5 11.Nbd2 Qe6 0–1. pushtiu (2245) – cristero (2460), net–chess.com, 2015.

6.e3 Be5 7.Ne5 0-0 =.

6.g3 0-0 7.Bg2 Re8 8.Bf6 Qf6-/+ 9.0-0 Bg4 10.Re1 Nd7 11.d4 c6 12.Nbd2 Qh6 13.e4 de4 14.Ne4 Bc7 15.Qb3 Rab8 16.Neg5 Re1 17.Re1 Qf6 18.Re3 h6 19.Ne4 Qd8 20.h3 Be6 21.Qa3 Qf8 22.Qb2 Nb6 23.Nfd2 Qc8 24.Kh2 Nc4 25.Nc4 Bc4 ½–½. Blechar,Michael – Campbell,J Franklin, CCLA corr Canada, 1978.

6.Bg3 0-0 7.d4 c5 8.e3 c4 9.Be2 Nc6 10.0-0 Bg3-/+ 11.hg3 Ne4 12.Qc2 Re8 13.Nbd2 Nd6 14.Rab1? Bf5-+ 15.e4 Ne4 16.Nh4 Nc3! 17.Nf5 Ne2 18.Kh2 Ned4 19.Nd4 Nd4 20.Qb2 Qf6 21.Nf3 Nf3 22.gf3 c3 23.Qb7 d4 24.Rfc1 d3 25.Qb4 c2 26.Rb3 (26.Ra1 Qf3 27.Kg1-+) 0–1. Weiss,Frederic J_Marie – Champion,Christopher, RL–2007–0-00079, 2007.

6.h3 Nc6 7.Bd6 Qd6 8.e3 0-0 9.Bd3 Ne5 10.Ne5 Qe5 11.Qc2 Qg5 12.g3 Re8 13.Na3 a6 14.0-0-0 c5 15.Rdg1 Qe5 16.f4 (16.g4 c4 17.Be2 b5-/+) 16...Qd6 17.Qb2 b5 18.Nc2 Ne4 19.Be4 (19.Rh2!?-/+) 19...de4-+ 20.Kb1 (20.Ne1 Bd7-+) 20...Be6 (20...Qd2 21.Rd1 Qe2 22.g4-+) 21.Na1 (21.Rh2 Red8-+) 21...a5 22.Kc1 b4 23.Qc2 c4 24.Kd1 Reb8 25.Ke2 (25.g4 bc3 26.Qc3 Qd3-+) 25...b3 26.Qb2 a4 27.a3 Ra7 (27...Rb7 28.g4-+) 28.g4 Bc8 29.Qb1?? (29.Ke1-+) 29...Qd3 (better 29...Qa3!? 30.Qe4 Bb7 31.Qd4-+) 30.Qd3 ed3 31.Kf2 b2 32.Nb3 (32.Rb1-+) 32...ab3 (better 32...Rb3!? 33.Rb1-+) 33.Rb1 Ra3 34.e4 (34.Rb2 Rba8 35.f5 Ra2 36.Ra2 Ra2-+) 34...Rba8 35.Rb2 (35.Ke3 Ra2-+) 35...Bb7 36.Ke3 (36.Re1 Ra2 37.Ra2 ba2-+) 36...Ra2 (better 36...Re8 37.Kd4 Re4 38.Kc5 Rf4 39.Rg1-+) 37.Rhb1 (37.Ra2 ba2 38.Ra1 Ra4-+) 37...Rb2 38.Rb2 Ra2 (38...Ra1!? 39.Kd4 Ba6 40.Ke3-+) 39.Rb1 Ba6 40.Rd1 (40.f5-+) 40...b2 41.Rb1 Bb5 42.Kd4 Ba4 (42...Ba4 43.Kc4 Bc2 44.Rb2 Rb2-+) 0–1. petrobbo (1970) – sirness (2140), ChessWorld.net, 2010.

5.c3 Be7

6.d3 c5 7.g3 Nc6 8.Bf6 Bf6 (8...gf6?! 9.Bg2=) 9.Bg2 0-0 10.0-0 Qa5 11.Qc2 Be6 12.Rc1 b5 Black intends c4 13.Nbd2 b4 14.Nb3 Qa3 15.d4 bc3 16.Qc3 c4 17.Nbd2?? (better is 17.e3-/+) 17...Qc3-+ 18.Rc3 Nd4 (18...Nd4 19.Nd4 Bd4-+) 0–1. wvmaniac (2665) – pierred (2800), net–chess.com, 2016.

6.d4 b6 7.e3= c5 8.Be2 (8.Nbd2 0-0=) 8...0-0 9.0-0 Ne4 10.Qc2 (10.Qb3 Nc6=) 10...Bf5+= 11.Qb2 c4 (11...f6 12.Bf4+=) 12.Nbd2= Nd7 13.Bg3 (13.Bf4 g5 14.Bg3 Ng3 15.hg3 Qc7+=) 13...Ndf6+= 14.Ne4 (14.Bf4 Rc8+=) 14...Ne4 (worse is 14...de4 15.Nd2+/–) 15.Nd2 Nd2 16.Qd2 Bd6 17.Bd6 Qd6 18.Bf3 Rab8 19.Rfe1 Rfe8 20.Bd1 (20.a4 a6=) 20...b5+= 21.a3 a5 Black prepares the advance b4 22.Bc2 Bc2 23.Qc2 b4 24.ab4 ab4 25.cb4 Rb4 26.e4 Rc8 (26...g6 27.ed5 Re1 28.Re1 Qd5 29.Rd1+=) 27.Rac1 g6 28.Re3 (28.Qd2 Rb3+=) 28...de4 29.Qe4 Rd8 (29...Rb2 30.Qg4 Rc7 31.Rec3+=) 30.Rec3 (30.Rd1!?+=) 30...Qd4-/+ 31.Qd4 Rd4 32.Kf1 (32.f3 Kg7-/+) 32...Kg7 33.Ke2 Rb2 (33...f5!?-/+) 34.R1c2+= Rc2 35.Rc2 Kf6 36.Ke3 (36.Ra2 h6+=) 36...Ke5-/+ 37.Rc3 (37.Ra2 Rd3 38.Ke2 Rd7-/+) 37...Kd5 (better is 37...f5-/+) 38.f3? (better is 38.Ra3!? Rd1 39.Ke2+=) 38...Kc5-+ 39.Ra3? (39.g4-+) 39...Rd7 40.Ra8 (40.f4 Kb4 41.Ra6 c3-+) 40...c3 41.Rc8 Kb4 42.Rb8 (42.h4-+) 42...Kc4 43.Rc8 Kb3 44.Rb8 Kc2 (44...Ka2 45.h3-+) 45.Rc8 (45.g3 Kc1 46.f4-+) 45...Kb2 46.Rb8 Kc1 47.Rc8 (47.g4 c2 48.Ke2 Rd2 49.Ke1 Rh2-+) 47...c2 0–1. Beljushina,Sonja – Nurieva,Amina, 7thChampionshipPriFO g–16, 2008.

6.d4 c5 7.dc5 0-0 8.Bd4 Ne4 9.Nbd2 Nc5 10.e3 Be6 11.Bc5 Bc5 12.Bd3 Nd7 13.0-0 Rc8 14.Nd4 Bb6 15.Rc1 Qf6 16.Ne6 fe6 Attacks the isolani on c3 17.c4 Ne5 18.Be2 Rcd8 (18...d4 19.ed4 Bd4 20.Nf3=+) 19.c5 Bc7 20.Nb3 Nc6 21.Nd4 Rf7 22.Nc6 bc6 23.Qa4 e5 (23...Qh6 24.g3 e5 25.e4=) 24.e4 a5 25.Rcd1 (25.Rb1 Rdf8+=) 25...Kh8 26.Rd3 Qe6 27.Qb3 Rff8 28.Rf3 Rfe8 29.Rd1 g6 (29...de4?? 30.Rd8 Rd8 31.Qe6 ef3 32.Bf3+-) 30.a4 Kg7 (30...de4?? 31.Rd8 Bd8 32.Rf8 Kg7 33.Qe6 Re6 34.Rd8+-) 31.Rfd3 Qf6 (31...d4 32.Qe6 Re6 33.Rb1=) 32.Qb7+= Re7 33.Qa6 (33.ed5? e4 34.Rb3 Rf7-+) 33...d4 34.Rf3 Qe6 35.Bc4 Qd7 36.Rb1 Rf8 37.Rf8 Kf8 38.Rb3 Kg7 39.Rf3 Qe8 40.h3 h5 (40...Bd8 41.h4+=) 41.g3 Qd7 42.Kg2 Qe8 43.Ba2 Bd8 44.Qa8 h4 45.gh4 Kh6 (45...Qd7 46.Rb3 Bc7 47.Rg3+-) 46.Bf7 Rf7 47.Rf7 Qf7 48.Qd8 Kg7 49.Qa5 Qe7 50.Qb6 Qd7 51.Qb8 d3 52.Qe5 Kh7 53.Qa1 d2 54.Qd1 Qd4 55.f3 Qe3 56.Kf1 Kh6 57.a5 Kh5 58.f4 Kh6 59.a6 (59.e5!?+=) 59...Qf4= 60.Ke2 Qe4 61.Kd2 Qd4? (better 61...Qd5!? 62.Kc1 Qc5 63.Kd2 Qa5 64.Ke3 Qa6=) 62.Ke2+- Qe4 63.Kf2 Qh4 64.Kg2 Qg5 65.Qg4 (65.Kh1 Qe3 66.Qc2 Kh7+-) 65...Qd2+= 66.Kh1 Qe1 67.Qg1 Qe4 68.Qg2 Qe1 ½–½. rickdragon (2080) – forsetinn (2315), gameknot.com, 2014.

6.d4 Nbd7 7.Nbd2 0-0 8.e4 de4 9.Ng5 e3! 10.fe3 Ne5 11.de5 Nd5 (11...Nd5 12.Nge4 Ne3-+) 0–1. gtate (1945) – danielmarcolino (2560), net–chess.com, 2005.

6.e3 0-0 7.Be2 Nbd7 8.0-0 Ne5 9.Ne5 c5 10.f4 c4 11.Qc2 Re8 12.d4 cd3! 13.Qd3 (13.Qd3 Bc5 Combination; 13.Bd3 Bd6 Combination; 13.Nd3 Qb6 Combination) 13...Bd6 14.Nd2 Be5 15.fe5 Re5 16.Nf3 Bf5 17.Qd2 Re8 18.Nd4 Bg6 19.Bf3 Rc8 20.Ne2 Qb6 21.Nf4 Re3 22.Kh1 Qc5 23.Bd5 Nd5 24.Qd5 Be4 (24...Rc3?! 25.Ng6 hg6 26.Qf7 Kh7 27.Qb7=) 25.Qc5 (25.Qd4 Qd4 26.cd4 Rc2-+) 25...Rc5 26.Rad1 h6 27.Rd8 Kh7 28.h3? (28.Rd2-+) 28...g5 29.Rd7 Rf5 30.Kg1 gf4 31.Rd2 Rg3 32.Kh2 Rfg5 33.Rff2 f3 34.gf3 Bf5 (34...Bf5 35.Rg2 Rh3 36.Kg1 Rf3 37.Rg5 hg5-+) 0–1. Slupski,Mark – Reed,Arthur F (1985), BCCA/2011/CanF (ENG), 2011.

6.e3 Nbd7 7.d4 Ne5 8.Ne5 0-0 9.Be2 Bd6 10.Nf3 Ne4 11.0-0 Qf6 12.Qb3 Qf5 13.c4 dc4 14.Qc4 Re8 15.Bd3 Qh5 16.Qb5 Qb5 17.Bb5 c6 18.Bd3 b6 19.Rc1 Bb7 20.Nfd2 Nd2 21.Nd2 c5 22.Nb3 cd4 23.Nd4 Be5 24.Rab1 Red8 25.Rc4 Kf8 26.f4 Bd4 27.Rd4 Rd4 28.ed4 Rc8 29.g3 h6 30.a4 Rc3 31.Bf1 Ra3 32.Bb5 Ke7 33.Rc1 Kd6 34.Re1 a6 35.Be8 Bd5 36.f5 Rd3 37.Rb1 Rb3 38.Re1 Rb4 39.Rd1 h5 40.Rd2 Rb1 41.Kf2 Rh1 42.h4 Rh2 43.Ke3 Rd2 44.Kd2 Ke7 45.f6 gf6 0–1. Moeckel,Jean – Sapi,Janos (2145), IECG, 2007.

6.Bf6 gf6 7.d4 +=.

6.Bf6 Bf6 7.d4 0-0 8.e3 Re8 9.Bd3= c5 10.Qc2 g6 11.Nbd2 c4=+ 12.Be2 Bf5 13.Qb2 Qc7 14.Nf1 Nd7 15.Ng3 Be6 16.0-0 h5 17.Bd1 h4 18.Ne2 h3 19.Nf4 hg2 20.Kg2 Rab8 21.Ne6 Re6 22.Rb1 Be7 23.Qb5 Nf6 24.Ng5 Ra6 25.Bf3 Kg7 26.Qb2 Qd7 27.h4 Qf5 28.Rfe1 b5 29.Qe2 Ra3 30.Rbc1 Rh8 31.Rh1 a6 32.Qc2 a5 33.Qf5 gf5 34.Rc2 b4 35.cb4 ab4-/+ 36.h5 Rha8 37.Rh2 R3a5 38.Rh1 Ng4 39.h6 Nh6 40.Nh3 Bd6 41.Rb1 Ng4 42.Kf1 Nh2 43.Kg2 Nf3 44.Kf3 Ra2 45.Ra2 Ra2 46.Nf4 Bf4 (46...Bf4 47.Kf4 c3-+; 46...Ra5 47.Nh5 Kg6 48.Nf4 Kh6 49.Rh1 Kg7 50.Nh5 Kf8 51.Rb1-+) 0–1. Binder,Klaus (1605) – Heyn,Ulrich (1895), DESC, 2001.

6.Bf6 Bf6 7.d4 0-0 8.e3 Bf5 9.Bd3= Qd7 10.0-0 Nc6 11.Qc2 Ne7 12.Nbd2 c5 13.Bf5 Nf5 14.dc5 Rac8 15.Nd4 Nh4= 16.g3 Ng6 17.N2b3 Be7 18.Rad1 Rfd8 19.e4 de4 20.Qe4 Bc5 21.Nc5 Rc5 22.Ne6 Qd1 23.Nc5 Qd2 24.Nb7 Rb8 25.c4 Qa2 26.Rd1 Qa4= 27.Re1 Qb4 28.Rb1 Qe7 29.Qd5 Qe6 30.Qe6+= fe6 31.Kf1 Ne5= 32.c5 Kf8 33.Ke2 Nc6=+ 34.Ke3 Na5 35.Rb5+= Nc6 36.Ke4 Ke7 37.f4 Kd7 38.Nd6 Rb5 39.Nb5 a5 40.Na3 Nb4 41.Nc4 Nc6 42.Kd3 ½–½. Bosboom,Manuel (2460) – Van Blitterswijk,Stefan (2305), Wijk aan Zee Corus Reserve NED, 2000.

6.Bf6 Bf6 7.d4 0-0 8.e3 Bg4 9.Bd3 c5 10.h3 Be6 11.Nbd2 Qc7 12.0-0 =.

6.Bf6 Bf6 7.e3 c5 8.d4 Nc6 9.Bd3 c4 10.Bc2 0-0 11.0-0 Re8 12.Nbd2 Qa5 13.Qb1 Qc3 14.Bh7 Kh8 15.Bf5 Qb4 16.Bc8 Rac8 17.Qf5 Qd6 18.Rab1 Rc7 19.Rfc1 g6 20.Qg4 Rb8 21.a4 Kg7 22.Nf1 Qe6 23.Qf4 Rcc8 24.Ng5 Qd7 25.Nh3 a6 26.Qf3= b5 27.Nf4 Rd8 28.ab5 ab5 29.Ng3 Bg5 30.Nge2 b4 31.Rb2 b3 32.Ra1 Nb4 33.Nh3 Nd3-/+ 34.Rbb1 Bh4 35.Kf1 b2 36.Ra3 Be7 (36...Be7 37.Ra5 Qc7 38.Rd5 c3 (38...Qh2?! 39.Rd8 Bd8 40.Qc6-/+) 39.Nc3 Qc3 40.Rd8 Qc1 41.Qd1 Rd8 42.Rc1 bc1Q 43.Qc1 Nc1-+) 0–1. Perlitz,Heiko – Baer,Werner, TT–11.25 ETC, 2004.

5.Nc3 Nbd7

6.Bf4 a6 7.e3 0-0 8.Be2 Nc5 9.0-0 b5 10.Be5 Ncd7 11.a3 Ba5 12.Bf4 Bc3 13.dc3 Nc5 14.Be5 Nfe4 15.Re1 f6 16.Bd4 Na4 17.c4 bc4 18.Qb1 c5 19.Qc1? cd4 -+.

6.Bf4 Bc3 7.dc3 c5 8.Qd3 0-0 9.g3 Qa5 10.Nd2 (better is 10.Bg2!?=) 10...Re8-/+ 11.Bg2 c4 12.Qd4 Nc5 13.Nb1 (13.Bd6 Ne6 14.Qe3 Nd8-+) 13...Ne6-+ 14.Qd2 (better is 14.Qe5 Qa4 15.Bc1-+) 14...Qb6 15.Qc1 (15.Na3 Nf4 16.Qf4-+) 15...Nf4 16.gf4 Ng4 17.e3 (17.Rf1 Nh2 18.Qa3-+) 17...Ne3! 18.fe3 Re3 19.Kf1 (19.Kf2 Re7 20.Kf3 Bg4 21.Kg4 f5 22.Kg3 Qg6 23.Kf2 Re2 24.Ke2 Qg2 25.Ke3 d4 26.Kd4 Qe4 27.Kc5 a5 28.Re1 Rc8 29.Kd6 Qc6 30.Ke5 Qd7 31.Qa3 Re8 32.Qe7 Re7) 19...Bg4 20.Nd2 (20.Na3 Re2 21.Qe1 Re1 22.Re1-+) 20...Re2 (20...Re2 21.Qe1 Rae8-+) 0–1. heaterhog (2020) – vishm (2205), gameknot.com, 2015.

5.c4 dc4

6.e3 Nc6 7.Bc3 Bc3 8.Nc3=+ Be6 9.Be2 0-0-/+ 10.0-0 a6 11.d3 cd3 12.Bd3 Qe7 13.Ne4 Rfd8 14.Nf6 Qf6 15.h4?? Bg4 16.Bh7? Kh8 17.Qc2 Bf3 18.gf3 g6 19.Kh2 Kh7 20.Rh1 Kg7 21.Kg1 Qf3 22.h5 Rd5 23.h6 Kh7 24.Qc3 Rg5 25.Kf1 Qh1 26.Ke2 Qh6 27.Rd1 Qh5 28.Kd2 Rd5 29.Kc2 Qd1 30.Kb2 Rd2 (30...Rd2 31.Ka3 b5 32.Qd2 Qd2 33.Kb3 Rd8 34.e4 Rd3#) 0–1. Nautiluschess – jacoputz, ICS blitz, 2000.

6.e3 Be6 7.Qc2 Nc6 8.Bc4 Ne5 9.Ne5 Bd6 10.f4 Bc4 11.Nc4 b5 12.Nd6 Qd6 13.0-0 0-0=+ 14.Rc1 Rac8 15.Qc5 b4 16.a3 (16.Qa7 c5 17.a4=+) ½–½. Rohde,Friedhelm – Zbroja,Tadeusz, corr 3GMM–F, 2001.

5.e3 0-0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5).

6.a3 Ba5 7.c4 Nc6 8.Bb2 Re8 9.Be2 Bg4 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

6.a3 Ba5 7.Be2 c5 8.0-0 Nc6 9.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.a3 Be7 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3 d5).

6.a3 Be7 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Be7 7.Nf3).

6.a3 Be7 7.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3 d5 7.Be2).

6.Bb2 Re8 7.a3 Ba5 8.Be2 c5 9.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.Bb2 Re8 7.Be2 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2 Re8).

6.Bb2 Re8 7.Be2 c5 8.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8).

6.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3).

6.c4 dc4 7.Bc4 Nc6 8.Bb2 Bg4 9.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2 dc4 9.Bc4).

6.c4 c5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5).

6.c4 c5 7.a3 Ba5 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.a3 Ba5).

6.c4 c5 7.cd5 Nd5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.c4 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7).

6.c4 Be7 7.Bb2 c5 8.Be2 Nc6 9.cd5 Nd5 10.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2).

6.c4 Be7 7.Bb2 c5 8.Be2 Nc6 9.cd5 Nd5 10.0-0 Bf6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2 Bf6).

6.c4 Bf5 7.cd5 Nd5 8.Be2 c5 9.0-0 Nc6 10.Bb2 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0).

6.c4 Nc6

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6).

7.a3 Ba5 8.Bb2 Re8 9.cd5 Nd5 10.Be2 Bg4 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.Bb2 Qe7 8.cd5 Nd5 9.Be2 Bg4 10.0-0 Rfe8 11.Nd4 (--> 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.Nd4).

7.Bb2 Re8 8.a3 Ba5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

7.Bb2 Re8 8.a3 Ba5 9.Be2 Be6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.Be2 Be6).

7.Bb2 Re8 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

7.Bb2 Re8 8.cd5 Nd5 9.Be2 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

7.Bb2 Bg4 8.cd5 Nd5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

7.Bb2 Bg4 8.Be2 Re8 9.0-0 Bd6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Bd6).

6.c4 Re8

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Re8).

7.Bb2 c5 8.cd5 Nd5 9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8).

7.Bb2 c5 8.cd5 Nd5 9.Be2 Nc6 10.0-0 Bf5 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

7.Bb2 Nc6 8.Be2 Bg4 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

7.cd5 Nd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8).

7.cd5 Nd5 8.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.cd5 Nd5 8.Nf3 Re8).

6.Be2

6.Be2 c5 7.0-0 Nc6 8.Bb2 Ba5 9.a3 Re8 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.Be2 c5 7.0-0 Nc6 8.Bb2 Ba5 9.d3 Bc7 10.Nbd2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3 Ba5 10.Nbd2 Bc7).

6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.Nc3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.Nc3).

6.Be2 c5 7.Bb2 Nc6 8.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2).

6.Be2 Nc6 7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

6.Be2 Nc6 7.Bb2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5).

6.Be2 Nc6 7.Bb2 Bg4 8.0-0 Re8 9.d3 Qe7 10.a3 Bd6 11.Nbd2 Rad8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.d3 Qe7 10.Nbd2 Rad8 11.a3 Bd6).

6.Be2 Be7 7.0-0 c5 8.c4 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0 Nc6).

6.Be2 Be7 7.0-0 c5 8.Bb2 Nc6 9.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0 Nc6 9.Bb2).

6.Be2 Be7 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2).

6.Be2 Bg4 7.0-0 Nc6 8.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4).

6.Be2 Bg4 7.c4 dc4 8.Bc4 Re8 9.Bb2 Nc6 10.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6. Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4 dc4 10.Bc4).

6.Be2 Re8

(---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Re8).

7.0-0 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Re8).

7.0-0 c5 8.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8).

7.0-0 c5 8.d3 Nc6 9.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

7.0-0 Nc6 8.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0).

5.e3 a6

6.Bb2 0-0 7.Be2 Re8 8.0-0 Bd6 9.d3 Be6 10.Nbd2 c5 =.

6.c3 Bd6 7.d4 Be5 8.Ne5 Nbd7 9.Nd7 Bd7 10.Bd3 Bb5 11.Bc2 0-0 12.Qf3 Re8 13.Nd2 Qd6 14.a4 =.

6.Bc3 Bc5 7.Be2 0-0 8.0-0 Re8 9.Qc1 Nbd7 10.Qb2 Bd6 =+.

6.Nc3 Nbd7 7.Bd4 c5 8.Nd5 Nd5 -+.

6.c4 0-0 7.Qb3 Ba5 8.cd5 Nd5 9.Bc4 Nb6 10.Be2 Nc6 11.Bb2 Be6 12.Qc2 Qd7 13.a3 Rad8 14.0-0 Bf5 15.Qd1 Rfe8 16.Nd4 Bg6 17.Bg4 Qd6 18.Nf5 Bf5-/+ 19.Bf5 Ne5 20.d4 Nbc4 21.Bc1 c5-/+ 22.Qb3 cd4-+ 23.f4? de3 24.fe5 Qd4 25.Be3 Ne3 26.Bh7 Kh7 27.Ra2 Nf1 28.Kf1 Qd1 29.Qd1 Rd1 30.Ke2 Rb1 (30...Rb1 31.Kf3 Rb3 32.Ke4 Bc7-+) 0–1. Blasig,Volker – Streff,Michel, Luxembourg op, 1997.

6.Bd3 0-0 7.0-0 Nc6 8.Bf4 Re8 9.Be2 Be6 10.a3 Be7 =+.

6.Be2 Nc6 7.Bb2 0-0 8.0-0 Bf5 9.d3 Bd6 (9...Re8 10.Nbd2=+) 10.Nbd2 Re8 11.Nd4 (11.c4!?=) 11...Nd4=+ 12.Bd4 c5 13.Bb2 d4 (13...b5 14.Bf3=+) 14.e4 (14.ed4!? cd4 15.Nb3=) 14...Be6 15.f4 Bf8 16.Nf3 b5 17.Ne5 (17.f5 Bd7=+) 17...Qc7 18.Ng4 Ng4 19.Bg4 Bg4 20.Qg4 Re6 21.f5 Rh6 22.h3 Qe5 (22...Be7 23.Bc1 Rb6 24.Bd2=) 23.Bc1 Rc6 24.Bf4 Qe7 25.e5 Qd7 26.e6 (26.Rae1 Re8=) 26...fe6=+ 27.f6 g6 28.Be5 Qf7 29.Qf3 Rac8 30.Rae1 c4 (30...Bd6-/+) 31.dc4 (31.Bd4 Bb4 32.Re2 cd3 33.cd3 Bc3 34.Bc3 Rc3+=) 31...bc4?? (better 31...Rc4!? 32.Re2 Bh6-/+) 32.Qe4 (32.Bd4 Rd6 33.c3 Rd5+=) 32...Bh6 (32...d3!? 33.cd3 c3=) 33.Bd4 Rd6 34.c3 Re8 (34...Bf8 35.Rb1 Rdc6 36.a4+/-) 35.Bc5 (35.Be5 Rd5+/-) 35...Rd7 (35...Rd5 36.Be3 (worse 36.Qc4 Rc8-/+) 36...Be3 37.Re3+=) 36.Bb4 (36.Qc4!? Rc8 37.Qb4+/-) 36...e5= 37.Qc6 Bf4 38.Rf4 ef4 39.Re8 Qe8 40.Qc4 Kh8 41.Qf4 Qe1 (41...Rf7 42.Be7+/-) 42.Qf1 (42.Kh2!? Qe8 43.Be7+/-) 42...Rd1 43.Qe1 Re1 44.Kf2 Ra1?? (better 44...Re6=) 45.f7 Ra2 (45...Rf1 46.Kf1 h5 47.f8Q Kh7 48.Qf7 Kh6 49.h4 g5 50.Bf8) 46.Kf3 Kg7 (46...Rf2 47.Kf2 h5 48.f8Q Kh7 49.Qf7 Kh6 50.h4 g5 51.Bf8) 47.f8Q 1-0. NoLuckOnlySkill (2115) - slagi (2100), Rated Blitz game, lichess.org, 2016.

6.Be2 Nbd7 7.Bb2 0-0 8.0-0 Nb6 9.Bd4 c6 10.c3 Bd6 11.Qb3 Nbd7 12.c4 Re8 13.cd5 Nd5 14.Bc4 N7f6 15.Bf6 gf6 16.Nc3 Nc3 17.Bf7 +-.

6.Be2 Nbd7 7.Bb2 0-0 8.0-0 Nb6 9.Bd4 Qe7 10.d3 Re8 =+.

6.Be2 Nbd7 7.Bf4 0-0 8.0-0 Re8 9.d4 Nb6 10.Bd3 Bg4 11.h3 Bh5 12.c3 =.

6.Bf4 0-0 7.Be2 Re8 8.0-0 Nc6 9.d4 Bg4 10.a3 Be7 =.

6.a3 Be7 7.d4 Nbd7 8.c4 0-0 9.cd5 Ne5 10.Ne5 Qd5

11.Nc3 Qa5 12.Qd2 Bb4 13.Rc1?? Qa3 -+.

11.Nd2 c5

12.Qf3 b5 13.Nc6 +/–.

12.Qf3 cd4 13.Qd5 Nd5 14.ed4 b5 15.a4 Bb7 16.Bd3 Bb4 17.ab5 ab5 18.Ra8 Ra8 -+.

12.Qf3 cd4 13.Qd5 Nd5 14.ed4 b5 15.Bd3 Bb7 16.0-0 Nf4 17.Rfe1 Ng2 18.Rec1 Rac8 19.Rc8 Rc8 20.Be4 Be4 -+.

12.Qf3 Qd8 13.dc5 Bc5 14.Bc4 Qe7 15.Qf4 Bd6 16.Ndf3 Ng4!

5.e3 c5

6.a3 Ba5 7.Bb5 Nc6 8.Nc3 0-0 9.Bf6 +=.

6.a3 Ba5 7.c4 Nc6 8.Bb2 d4 9.Qb3 0-0 10.Be2 Bf5 11.0-0 d3 12.Bd1 Rb8 13.Nc3 Bc7 (13...Ne4 14.Rb1=+) 14.Nb5 (14.Nd5 Ne8=) 14...Bb6=+ 15.a4 Na5 16.Qa2 a6 17.Nc3 (17.Na3 Bc7-/+) 17...Nc6 (17...Bc7 18.Rb1-/+) 18.Rb1 Nb4 19.Qa1 Bc7 20.Ba3 a5 (20...Qd6 21.Bb4 cb4 22.Na2-/+) 21.Nb5 b6 (21...Ne4 22.Bb2 f6 23.Bc3=+) 22.Bb3 (22.Bb2 Rc8+=) 22...Be4 (22...Ne4 23.Bb2 f6 24.Bc3=+) 23.Ne1 (23.Bb2 Bf3 24.gf3 Ne8 25.Nc7 Nc2 26.Bc2 dc2+-) 23...Bh2 (23...Nc2 24.Bc2 dc2 25.Rc1=+) 24.Kh2= Ng4 25.Kg3 Qg5 26.Nf3?? (26.f4 Qg6 27.Bb4 Ne3 28.Kf2 Ng4 29.Kg3 ab4 30.Rh1-/+) 26...Bf3 27.Kf3 (27.Qg7 Kg7 28.Kh3 Qh5 29.Kg3 Qh2 30.Kf3 Ne5 31.Ke4 f5) 27...f5 (27...Nh2 28.Ke4 Rbe8 29.Qe5 Qe5) 28.Bb4 (28.g3 f4 29.Nd4 fg3 30.Kg2 gf2 31.Rbe1 Ne3 32.Kh3 Qg2 33.Kh4 Qg4) 28...ab4 (28...Nh2) 29.g3= Nh2 30.Kg2 Nf1 31.Rf1 (better 31.Kf1 Qe7 32.Kg2=) 31...Rbe8 (31...f4 32.ef4 Rf4 33.Qb1=+) 32.Qd1 (better 32.Nc7 Re4 33.Nd5+/-) 32...f4=+ 33.ef4 Rf4 34.Nd6? (better 34.Qb1 Qg6 35.Bd1=+) 34...Re2-+ 35.Ba2?? (35.Qb1 Rf6 36.Ne4 Re4 37.Qd3-+) 35...Qh5 (35...Qg4 36.Bb1 Qf3 37.Kg1 Rf6-+) 36.Bb1?? (36.gf4 Qg4 37.Kh1 Qf3 38.Kg1 Qf4 39.Nb5 Qg4 40.Kh2 Rf2 41.Rf2 Qd1 42.Nc7-+) 36...Ref2!! 37.Rf2 Rf2 38.Kf2 Qd1 39.Bd3 Qd2 40.Be2 Qd6 (40...Qd6 41.Bg4 b3-+) 0-1. dannysmet (2100) - Dhingis (2135), Rated Blitz game, lichess.org, 2021.

6.Bb5 Nc6 7.c3 Ba5 8.Qa4 Qb6 9.Bf6 gf6 10.0-0 (10.Na3 0-0=) 10...Bd7 (10...Rg8 11.Na3 Bh3 12.Nh4=+) 11.Na3= a6 12.Bc6 Bc6 13.Qf4 Bd7?? (13...Qd8!?=) 14.c4 (better 14.e4!? Rg8 15.ed5+-) 14...Bb4 (14...Qb2 15.Rfb1 Qa3 16.Rb7+/-) 15.Nc2 (15.Rfb1 Qd8 16.Nc2 dc4 17.Qc4 Bb5 18.Qe4 Qe7 19.Qe7 Ke7 20.Nb4 cb4 21.Rb4 Rac8+/-) 15...Qc6 (15...dc4 16.Nb4 cb4 17.Qc4+=) 16.a3 (16.Nb4!? cb4 17.Nd4+-) 16...Ba5+= 17.d4 (better 17.cd5 Qd5 18.e4+=) 17...Bc7?? (17...dc4 18.dc5 Rg8=) 18.Qh6?? (better 18.cd5 Qd6 19.dc5 Qf4 20.ef4 Bf4 21.g3+-) 18...0-0-0 (18...dc4!? 19.dc5 Qc5 20.Qf6 Rg8=+) 19.cd5= Qd5 20.e4?? (20.dc5 Rhg8 21.Ncd4=) 20...Qc4?? (better 20...Qe4 21.Rac1 Bf4-+) 21.Ne3+/- Qd3 22.Nd5 Qe4 23.Nc7 (23.Nf6 Qg6 24.Qg6 hg6 25.Nd7 Kd7 26.dc5=) 23...Kc7 (23...Rhg8!? 24.Qe3 Qe3 25.fe3 Kc7=) 24.Rac1 (24.Rfc1 Qg6 25.Qf4 Kb6 26.Rc5 Ka7+=) 24...Bc6 25.Rc5 Rhg8 26.Qh3?? (26.Qf6!? Rg6 27.Qf7 Kb8 28.Rc3= (28.Qh7?? Rg2 29.Kh1 Rg1 30.Rg1 Qf3 31.Rg2 Qg2)) 26...Kb6 (better 26...Qd3 27.Rfc1 Rd4-/+) 27.Rb1?? (better 27.Rc3=) 27...Ka7 (27...Qb1 28.Rc1 Qc1 29.Ne1 Qe1) 28.Rc6 (28.Rb3 Rd4 29.Rc1 Qc2-+) 28...Qc6 (28...Qb1 29.Rc1 Qc1 30.Ne1 Qe1) 29.Qf5 (29.Kh1 Qc2 30.Rg1-+) 29...Rd5?? (29...Rd4! 30.g3 Rdd8 31.Kg2-+) 30.Qf4 (30.Qh7!? Rg2 31.Kg2 Rg5 32.Kf1 Qf3 33.Qc2-/+) 30...Rgd8 (30...Ra5 31.Rc1 Qd5 32.Qe3-+) 31.g3 (31.Re1 Ra5 32.Qe3 Rd6-+) 31...Rd4?? (better 31...Rc8-+) 32.Nd4+- (32.Nd4 Qd6 33.Qf3+-) 1-0. ZePequeno (2270) - DoubleYou (2180), Rated Bullet tournament, lichess.org, 2016.

6.Nc3 Nc6 7.Bf6 gf6 8.Na4 (8.Ne2 c4=) 8...Qe7 9.Be2 Rg8 10.g3 Bh3 11.c3 Ba5 (11...Ba3 12.Bb5=) 12.Qb3 (12.Qb1!? Rg4 13.Ng1+/- (13.Qh7?! Bg2=)) 12...c4= 13.Qb5 0-0-0 14.Nd4 Nd4 15.cd4 (15.Qa5?? Nc2 16.Kd1 Na1-+) 15...Qb4 16.Qb4 Bb4 17.Rb1 a5 18.Bf3 Bf5 19.Rb2 Bd3? (19...Kc7 20.Nc3 Kc6 21.a3 Ba3 22.Rb5+=) 20.Be2?? (better 20.Nb6 Kb8 21.Nd5+-) 20...Be2 21.Ke2 Kc7 22.Rhb1 (22.Ra1 Rge8+/-) 22...Rb8 (22...b5!? 23.Nc3 Kc6+/-) 23.Nc3+/- Kc6 (23...Bc3 24.dc3 b6 25.Rb5+/-) 24.a4 (24.a3!? Bc3 25.Rb6 (worse 25.dc3 b6+/-) 25...Kc7 26.dc3+-) 24...b6+/- 25.Nb5 Kd7 26.Rc2 Rgc8 27.Rbc1 f5 28.h3 (28.d3 cd3 29.Kd3 Rc2 30.Rc2 Rc8+/-) 28...h5 (28...Rc6 29.h4+/-) 29.d3+/- cd3 30.Kd3 Rc2 31.Rc2 (31.Kc2?! Rc8 32.Kd1 Rc1 33.Kc1 Be1=) 31...Rc8 32.Rc8 Kc8 33.f3 Kd7 34.e4 Be1 35.e5 Bg3 36.Nd6 Kc6? (better 36...Ke6 37.Ne8 f6 38.Nf6 h4+=) 37.Nf5+- (37.Nf7?! Kd7+/-) 37...Bf4 38.Ne7 Kb7 39.Nd5 Bg5 40.Nc3 f6 (40...Be7+-) 41.e6 f5 42.d5 Kc7 43.Nb5 Kd8 44.d6 Bf6 (44...h4 45.Kd4 Bf6 46.Kc4+-) 45.Kc4 Be5 (45...h4 46.Nd4 Ke8 47.Nf5+-) 46.Kd5 (46.e7 Kd7 47.Nc7 Bd6 48.e8Q Kc7 49.Kd5 Kb7 50.Kd6 f4 51.Qf7 Ka6 52.Kc6 b5 53.ab5) 46...Bf4 (46...Bf6 47.Kc6 Bg5 48.Kb6 Be7+-) 47.Kc6 (47.Kc6 Bg5 48.Nd4+-; 47.e7 Kd7 48.Nc7 Bd6 49.e8Q Kc7 50.Qc6 Kb8 51.Qb6 Kc8 52.Kd6 f4 53.Qc7) 1-0. Czyz,An (2000) - Mrozinski,Mateusz (1620), Wroclaw Open POL, 2019.

6.Nc3 Nbd7 =.

6.c4 0-0 7.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5).

6.c4 0-0 7.cd5 Nd5 8.Be2 Nc6 9.Bb2 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2).

6.c4 0-0 7.cd5 Nd5 8.Be2 Nc6-/+ 9.Bb2 Ba5 10.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.a3 Ba5 9.Be2 Nc6 10.Bb2).

6.c4 0-0 7.cd5 Nd5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

6.c4 Ba5 7.Be2 Bc7 8.Bb2 (8.Bf6 Qf6 9.Nc3 dc4= 10.Nd5 Qd6 11.Bc4 0-0 12.Nc7+=; 8.d4 cd4 9.Qd4 Nc6 10.Bc7 Qc7 11.Qb2 dc4 12.Nbd2=) 8...0-0 (8...Be6 9.cd5 Bd5 10.Nc3 Bc6 11.0-0 0-0 12.d4=; 8...dc4 9.Bc4 Nc6 10.d4 0-0 11.Ba3 Ba5 12.Ke2=) 9.Nc3 (9.d4 dc4 10.Bc4 Nc6= 11.Ba3 Ba5 12.Ke2=) 9...b6 (9...dc4 10.Bc4 a6 11.a4= Nc6 12.d4=) 10.0-0 (10.Nb5 Nbd7 11.d4 Bb8 12.dc5=) 10...Bb7 (10...dc4 11.Nb5 Ne8 (11...Na6 12.Bc4=) 12.Bc4=; 10...Be6 11.Nb5 Nbd7 12.d4=) 11.d4 (11.Nb5 Nbd7 12.d4=). Jacobi – Tuchtenhagen, 1988.

6.c4 d4 7.ed4+/- Nc6 8.Nc3 (8.a3 A) 8...Ne5? 9.de5 (9.ab4 Nf3 10.Qf3 Qd4-/+) 9...Ba5 10.ef6+-; B) 8...Ba5=) 8...cd4 (worse 8...Nd4 9.Nd4 cd4 10.Qa4 Qd7 11.Bd4 Qa4 12.Na4+/-) 9.Nd5 (better 9.Bf6!? Qf6 10.Nd5=) 9...Nd5-/+ 10.cd5 Ne5 11.Ne5 0-0 12.Nd3 (12.Qb3 Re8 13.f4-+) 12...Qd5 13.Be2? (13.f3 Re8 14.Be2-+) 13...Qg2 14.Rf1 Re8 15.Nb4 (15.Nf4 Qf3 16.Rb1-+) 15...Bh3 16.Qb3 Qf1 0-1. pacalmisu (2235) - FeegLood (2320), lichess.org, 2015.

6.c4 Be6 7.cd5 Bd5 8.Nc3 (8.a3 Ba5 9.Bb5 Nc6 10.Nc3 Bc3 11.dc3 Qe7 12.Bc6=) 8...Bc3 9.dc3 Nc6 10.c4 (10.Bb5 Qe7 11.Bc6 bc6 12.Rc1=) 10...Be6 (10...Qa5 11.Qd2 Nb4 (11...Qd2 12.Kd2=) 12.a3= (12.Bf6 Bf3 13.gf3 gf6 14.Rd1=)) 11.Qd8= Rd8 12.Bc7 (better is 12.Bf6!? gf6 13.Be2=) 12...Rd7-/+ 13.Bf4 0-0 (13...Nb4!? 14.Rc1 Na2-/+) 14.Be2=+ Rfd8 15.0-0 Ne4-/+ 16.Ne5 Ne5-+ 17.Be5 Rd2 18.Bf3 Ng5 19.Rfd1?? Nf3-+ 20.gf3 Bc4 21.Rd2 Rd2 22.Kg2 Be6 23.Rc1 c4 24.Rb1 b6 25.a4 f6 26.Bd4 Ra2 27.a5 Ra5 28.Rd1 Ra2 29.Bc3 b5 30.Rd6 Bf5 31.Rd8 Kf7 32.Bb4? a5 33.Rf8 Kg6 34.Bc5 b4 35.e4 Be6 36.Re8 Bf7 37.Re7 c3 38.Ra7 b3 39.Bb4 ab4 40.Ra2 ba2 (40...ba2 41.h3 c2 42.f4 c1Q 43.Kf3 Qh1 44.Ke3 a1Q 45.f5 Kh5 46.Kf4 Qac1 47.Kg3 Qg5) 0–1. guest429 – murky_sheephed, ICS blitz, 2001.

6.Be2 Nc6 7.Bb2 0-0 8.0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.Bb2 Nc6 8.0-0).

6.Be2 Nc6 7.Bb2 d4 8.0-0 0-0 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 d4).

6.c3 Ba5

7.Bb5 Nbd7 8.0-0 a6 9.Bd7 Bd7 10.d3 (10.Qb3 Bc6=) 10...Bc7 (10...b5 11.Qb3=) 11.Qb3 Bc6 12.Nbd2 (12.a4 0-0=) 12...b5 (12...0-0 13.Rfb1=) 13.d4 c4 14.Bc7 Qc7 (< 14...cb3 15.Bd8 b2 16.Rab1 Rd8 17.Rb2+/–) 15.Qa3 (15.Qb4 Ne4=) 15...Qe7 16.Qe7 (16.Qa5 0-0=) 16...Ke7=+ 17.Ne5 Be8 18.Rfe1 Ne4 19.Ne4 de4 20.f3 f6=+ 21.Ng4 Bh5 22.h3 Bg4 23.hg4 a5 24.a3 Rab8 25.fe4=+ Kd6 26.Kf2 Rhe8 27.Kf3 h6 28.Rh1 Re7= 29.Rh5 Rbe8+/– 30.Rb5 Re4 31.Re1 R4e7 32.Ra5 Rb7 33.Ra6 Kd7 34.Ra4 Rc8 35.Rb4 Ra7 36.a4 Rcc7 37.Reb1 Ke7 38.R1b2 Kd7 39.Ke4 Ke7 40.d5 g6 41.Kd4 Ra5 42.Rb7 Kd7 43.Rc7 Kc7 44.Rb4 Kd6 45.e4 h5 46.gh5 gh5 47.Rc4 Ra8 48.Rb4 Rg8 49.Rb6 Ke7 50.Rb7 Kd6 51.c4 (51.c4 Rc8 52.Rf7 Rc4 53.Kc4+-) 1–0. Althoff,Guntram – Wolff,Peter, Hessen–chB Kaufungen, 2003.

7.Bb5 Nbd7 8.d4 c4 9.Qc2 0-0 10.Ng5 g6 11.Bd6 =+.

7.Qa4 Bd7

8.Qb3 Bc6 9.Bb5 Bb6 10.Bc6 bc6 11.c4 Nbd7 12.Qa4 0-0 13.Qc6 Ne5 +=.

8.Qb3 Bc6 9.Bb5 Nbd7 10.Bc6 bc6 11.Qa4 =.

8.Qb3 Bc6 9.Bb5 Nbd7 10.Bc6 bc6 11.Qb7 0-0 12.Qc6 Ne5-/+ 13.Ne5 Qb8 14.Nd3 c4 15.Qa4? cd3-+ 16.Na3 Bc7 17.Rb1 Qc8 18.Nb5 Bb6 19.Qb3 Rb8 20.Nd4 Bd4 21.Qb8 Qb8 22.Rb8 Rb8 23.0-0 Bc5 (23...Bc5 24.Rd1 Rb2-+) 0–1. mtra – fritz8, internet, 2002.

8.Bb5 Bc7 9.d4 Be5 10.Ne5 0-0 11.dc5 =.

8.Qh4 Nc6 =.

8.Bb5 Bb6

9.0-0 0-0 =.

9.0-0 Bb5 10.Qb5 Nbd7=.

9.0-0 Nc6 10.Bc6 Bc6 11.Qf4 =.

9.c4 Bb5 10.Qb5 Nc6 11.0-0 dc4 12.Na3+=.

9.c4 dc4 10.Na3 Nc6 11.Nc4 0-0 12.0-0 Bc7 13.Bc7 Qc7 14.Qa3 b6 15.Rab1 Be6 16.d4 (16.Bc6 Bc4 17.Ba8 Bf1 18.Rf1 Ra8=) 16...cd4=+ 17.Rbc1 Bd5 18.ed4= Bf3 19.Bc6 Qc6 20.Ne5 Qb7 21.Nf3 Rac8 22.Ne5 Nd5 23.Qf3 Rfd8 24.Ng4 Qd7 25.h3 ½–½. Mehlhorn,U – Buchholz,K, BFM–226, 2001.

9.d4 Nc6 10.Nbd2 0-0 11.Qb3 c4 12.Qb2 Ne5 13.Ne5 Bb5 14.Qb5 Rb8 15.0-0 Bc7 16.Nef3 a6 17.Qb1 Re8 18.Re1 b5 19.a3 Qe7 20.Qc2 a5 21.h3 Bd6 22.Re2 Ba3 23.Nb1 Bd6 24.Ra5 b4 25.cb4 Bb4 26.Ra4 Ne4 27.Ne5 Rb6 28.Qa2 Bd6 29.Ra7 Rb1 30.Kh2 Be5 31.de5 Qe5 32.g3 Nc3 (32...Nc3 33.Qc2 d4-+) 0–1. Amor Alcaide,Manuel – Vehi Bach,Victor Manuel, Barbera op, 1997.

7.Bb5 Bd7

8.Qb3 Bb6 9.Bf6 gf6 10.c4 dc4 11.Bc4 0-0 12.Nc3 Nc6 13.Nd5 Ne5 14.Rb1?? Nc4 =+.

8.Qb3 Bb6 9.Bf6 gf6 10.c4 dc4 11.Bc4 0-0 12.Nc3 Nc6 13.Nd5 Ne5 14.Nb6 ab6 15.h3 Nc4 16.Qc4 Be6 17.Qc2 Re8 18.d4 Qd5 =+.

8.Qb3 Bb6 9.Bf6 gf6 10.c4 dc4 11.Bc4 0-0 12.Nc3 Nc6 13.Nd5 Ne5 14.Ne5 fe5 15.f4 Be6 16.Nb6 Qb6 +=.

8.Qb3 Bb6 9.Bf6 gf6 10.c4 dc4 11.Bd7 Nd7 12.Qc4 Ne5 13.Qe4 Rg8 14.Ne5 +/–.

6.c4 Nc6=+

7.Bb2 0-0 8.cd5 Nd5 9.a3 Ba5 10.Be2 Bc7 11.Nc3 (11.Qc2 Qe7=) 11...Nc3 12.Bc3 Qd6 13.0-0 (13.Qb1 Rb8=) 13...Bg4=+ 14.g3 Rad8 (14...Qd5 15.d4=+) 15.d4 (15.Qb1 Bc8=) 15...Bf3 16.Bf3 cd4 17.Bc6 (17.Bd4 Nd4 18.Qd4 Qd4 19.ed4 Rd4=) 17...dc3=+ (17...bc6?! 18.Qd4 Qd4 19.Bd4=) 18.Bb7 Rb8 19.Bf3 (19.Qf3 Qe7 20.Be4 Rfe8=+) 19...Rfd8 (19...Qd1 20.Rfd1 c2 21.Rdc1-/+) 20.Qd6 (20.Qa4!?=+) 20...Bd6-/+ 21.a4 Bb4 22.Bc6 (22.Rac1 f5-/+) 22...a5 (better 22...c2 23.Be4 Rbc8-+) 23.Rfd1? (23.Be4 Rbc8 24.Rfd1 Rd2-/+) 23...Rd2?? (better 23...c2 24.Rf1 Bd2-+) 24.Rd2-/+ cd2 25.Bf3 Rc8 26.Rd1 Rc2 27.Kf1 Ra2 28.Bc6 Rc2 29.Bb5 (29.Bf3!?=) 29...Kf8=+ 30.h4 Ke7 31.Ke2 h6 32.Bd3 Rc7 33.Bb5 f6 34.Bd3 g5 35.hg5 (35.h5 Rc5=+) 35...fg5 36.Bg6 Rc6 37.Bd3 (37.Be4 Re6 38.Bf5 Rf6=+) 37...h5-/+ 38.Kf3 (38.Be4 Rd6-/+) 38...Rc1 39.Be2 Bc3 (39...Kf6 40.Kg2 Kf5 41.Bd3 Ke5 42.Be2-/+) 40.Kg2 Kd6 41.Bh5 Kc5 42.Kf1 Kb4 43.Ke2 Ka4 44.Bg6 Kb4 45.e4 (45.f4!?-/+) 45...a4 46.e5 a3 47.e6?? (better 47.Bf7-/+) 47...Bf6 (better 47...a2 48.Rd2 Bd2-+) 48.Rd2= (48.Kd2?? Rd1 49.Kd1 a2-+) 48...Rc5 49.Bb1 (better 49.f4+=) 49...Re5-/+ 50.Kf3 Re6 51.Ba2 Re7 52.Kg4 (52.Rc2 Bc3-/+) 52...Bb2 (52...Kc3 53.Rd6 Bd4 54.f4 gf4 55.gf4-/+) 53.f4 (53.Kg5 Bc1 54.Kf6 Bd2 55.Ke7 Be1=+) 53...Kc3 54.Rf2 gf4 55.gf4 Re1 56.f5 Kb4 57.f6 Rg1 (57...Bf6 58.Rf6 Rg1 59.Kh4=+) 58.Kf5= Bf6 59.Kf6. Knight286 (2140) - Kasimka (2140), Rated Blitz game, lichess.org, 2016.

7.Bb2 0-0 8.Be2 Be6 9.cd5 Bd5 10.0-0 Ba5 11.Nc3 Be6 12.Qc2 Rc8 13.Bd3?? (better 13.Ng5+=) 13...Nb4-+ 14.Bh7 Nh7 15.Qe4 Bd5 (better 15...Nd3 16.Rab1-+) 16.Nd5 Qd5 17.Qg4 f6 18.d4 (18.e4 Qf7 19.Bc3 Bb6-+) 18...Ng5 (better 18...Nd3!? 19.Ba3 f5 20.Qh3-+) 19.Ng5 Qg5 20.Qe6 Kh7 21.dc5 Qc5 (21...Rc5 22.Rad1 Qh5 23.Rd7-+) 22.a3? (better 22.Rac1 Nc2 23.Rfd1-/+) 22...Nc6-+ 23.Rac1 Qh5 24.g3 Qf7 (24...Rcd8 25.Qb3 Bb6 26.Rfd1-+) 25.Qf5? (25.Rc6 Rc6 26.Qf5 Kg8 27.Qa5 a6-/+) 25...Kg8 (better 25...g6 26.Qe4 Kg7-+) 26.Rc6-/+ Rc6 27.Qa5 b6 28.Qb5 Rc5 29.Qb4 Qc4 30.Qe1 (30.Bd4 Rc7 31.Qd6 Qc6-/+) 30...Qc2 31.Qa1 (31.Qb4 Rd8-/+) 31...Rfc8-+ 32.Bd4 R5c6 33.a4 (33.h4!?-+) 33...Rc4 34.a5 Ra4 35.Qe1 Ra5 36.Qb4 Qf5 37.Qe7 Ra2 (37...Qh3!? 38.Qe4-+) 38.e4 Qg4 39.e5 Re2 (39...fe5!? 40.Qe5 Rd8-+) 40.Be3-/+ fe5 41.Qa7 b5 42.Qa6 Qd7 43.Rb1 Rb8 44.Qg6 Ra2 45.h4 (45.Qe4 Qe6-/+) 45...Rba8 46.Kh2 Qf7 (better 46...Ra1!?-+) 47.Qe4 Rf2 48.Bf2 Qf2 49.Kh3 Qa2 (49...Ra2 50.Kg4 Ra4-+) 50.Rb5= Qe6 51.Qg4 Re8 52.Qe6 Re6 53.Kg4 e4 54.Rb2 e3 55.Re2 Kh7 56.Kf4 Kg6 (56...Kh6!?=) 57.g4+= Kf6 58.h5 (58.g5 Kf7 59.h5 Rd6 60.Re3 Ra6+/-) 58...Kf7 (58...Re5!?=) 59.g5+/- (59.Re3?! Re3 60.Ke3 g6=) 59...g6 (59...Ra6!?+/-) 60.h6+- Kg8?? (better 60...Rc6 61.Re3 Rc4 62.Re4 Rc1+-) 61.Re3 (61.Re3 Rc6 62.Re8 Kh7 63.Re7 Kh8 64.Ke5+-) 1-0. Zampier,Alexandre (1610) - Neves,Samira Coelho, 5th Floripa Open, 2019.

7.Bb2 d4 8.ed4 cd4 9.Qa4 0-0 10.Be2 d3 11.Bd1 Re8 12.Kf1 Bg4 (12...Ne4!? 13.Qb5-+) 13.a3 Bc5 14.Nc3 (14.Qb3 Qd6 15.Nc3 Nd4-+) 14...Nd4 15.Nd4?? (15.h3 Nf3 16.Bf3 Bf3 17.gf3 Qd4-+) 15...Bd1 (15...Qd4 16.Ne4 Ne4 17.Qe8 Re8 18.Bd4 Nd2 19.Kg1 Re1) 16.Qd1 (16.Nd1 Bd4 17.Qb3 Ne4 18.Qd3 Qg5-+) 16...Qd4 (worse 16...Bd4 17.Qf3-/+) 17.Qf3 Rad8 (17...Re2 18.Ne2 Qb2 19.Rd1 de2 20.Qe2-+) 18.Na4 Qd6?? (better 18...Ne4 19.Qe3 Qd6 20.Nc5 Nc5-+) 19.Nc5 (19.Bf6 gf6 20.Rb1 b6=+) 19...Qc5=+ 20.Bf6 gf6 21.Qf6 (21.Rb1 Qc4 22.Qf6 Rd5-/+) 21...Rd6 (worse 21...Qc4 22.Qg5 Kf8 23.Qh6 Ke7 24.Qh7=) 22.Qf4 Rd4 23.Qh6?? (23.Qg3!? Kf8 24.h3-/+) 23...Qe5 (23...Rc4 24.g4 Qe5 25.h3-+) 24.g3?? (better 24.Qe3-/+) 24...Rd6-+ (24...Rc4?! 25.Kg2 Qd5 26.Kg1-+) 25.Qe3 (25.Qf4 Qa1 26.Kg2 Qa3 27.Qg4 Kh8-+) 25…Qa1 (25...Qa1 26.Kg2 Re3 27.Ra1 Re2-+) 0-1. Knight286 (2105) - IvTK (2110), Rated Blitz game, lichess.org, 2016.

7.Bb2 d4 8.ed4 cd4 9.Bd3 0-0 10.0-0 Bg4 11.a3 Bc5-+ 12.h3 Bh5 (12...Qb6 13.Ra2 Bf3 14.Qf3-+) 13.Re1? (13.g4 Qb6 14.Ra2 Bg6 15.Bg6 fg6-/+) 13...Qd6?? (13...Qb6 14.Ra2 Bf3 15.Qf3-+) 14.Be4? (14.g4!? Bg6 15.Bg6 fg6 16.d3-/+) 14...Bb6 (14...Ne5 A) 15.Bb7?? Rab8 16.Re5 Qe5 (16...Rb7?! 17.g4 Bg4 18.hg4 Rb2 19.d3-+) 17.Ne5 Bd1-+; B) 15.g4 Ne4 16.gh5-+) 15.d3 Bc7?? (15...Ne4 16.Re4 Ne5 17.Nbd2 Nd3 18.Qb1-+) 16.g3? (16.Bc6 bc6 17.c5 Qc5=) 16...Rfe8 (better 16...Ba5 17.Bc6 bc6-+) 17.Nbd2=+ Qd7 (17...Ba5 18.Bc6 bc6 19.Qa4=+) 18.Kg2 (18.Bc6 Qc6 19.Re8 Re8 20.Bd4 b6=) 18...Rad8 (18...Ba5 19.Bc6 bc6 20.Re8 Re8 21.Nb3=+) 19.Qc2 (19.Bc6 Qc6 20.Re8 Re8 21.Nb3=) 19...Bg6?? (better 19...Ne4 20.Re4 Re4 21.de4 f6-/+) 20.Bg6+= hg6 (20...fg6 21.Nb3+=) 21.Rad1 (21.Nb3 a6+/-) 21...Nh5 (21...Be5 22.Re2+=) 22.Ne4 (22.Nb3 a6+/-) 22...f5 (22...b6!?=) 23.Neg5 f4 (23...Be5 24.Qb3 Re7 25.Re2+/-) 24.g4+/- Nf6 25.Ne4 (better 25.Qb3+/-) 25...Ng4=+ 26.hg4?? (better 26.Nc5 Qc8 27.Nb7 Qb7 28.hg4=) 26...Qg4-+ 27.Kf1 (27.Ng3 fg3 28.Re8 Re8 29.Rg1-+) 27...Qf3 28.Qe2 Qh1 0-1. Bendega (2040) - Vinamarino1 (2065), lichess.org, 2021.

7.Bb2 d4 8.ed4 cd4 9.Bd3 0-0 10.0-0 Bg4 11.h3!? Bf3 12.Qf3-/+.

7.Bb2 d4 8.ed4 cd4 9.Bd3 0-0 10.0-0 Bg4 11.h3 Bh5 12.Re1 Qd6 13.a3 Bc5 14.g4 Bg6 15.Bg6 fg6 16.d3 h5 (16...Nd7 17.Nbd2=+) 17.g5= Nd7 18.Nbd2 Qf4 (18...Nce5 19.Ne5 Ne5 20.Qe2=+) 19.Qe2 (19.Re4 Qf5 20.Qe2=) 19...Bd6 (better 19...Nde5! 20.Ne5 Ne5 21.Qe5 Qf2 22.Kh1 Qd2 23.Qc5 Qb2-/+) 20.Qe6+= Rf7 21.Re4 Increasing the pressure on the isolated pawn on d4 (21.Qg6? Nde5 22.Qh5 Nf3 23.Nf3 Qf3 24.Qf3 Rf3-+) 21...Nc5 22.Rf4 Ne6 23.Rf7 Kf7 24.Ne4 Be7 25.Bc1 Re8 26.Kg2 Kg8 27.Rb1 b6 28.Rb5 Nc5 29.Nc5 Bc5 30.Rb3 Re2 (30...Kf7 31.Bf4=) 31.Bd2+= Kf7 32.Kf1 Re6 33.Bb4 Ne5 (33...Nb4? 34.ab4 Be7 35.Nd4+-) 34.Nd2 Bb4 35.ab4 Re7 (35...a5 36.ba5 ba5 37.f4+=) 36.f4 Nc6 37.Nf3 Re3 38.Kf2 Ne7? (better 38...a5 39.c5 bc5 40.ba5 Na5+/-) 39.Ra3+- Ke8 40.Ra7 Nf5 41.Ne5 Rh3 42.Ra6 (42.Rb7 Rh2 43.Kf3 Rh3 44.Kg2 Rg3 45.Kf2 Kd8+-) 42...Rh2 (42...b5 43.c5+- (43.cb5 Rh2 44.Kf3 Rh3 45.Ke4 Re3 46.Kd5 Re5 47.fe5 Ne7 48.Ke6 Kd8 49.Rd6 Kc7 50.Ke7 h4 51.Rg6 Kb7+-; 43.Rg6?! bc4 44.Re6 Kd8+/-)) 43.Kf3 h4 44.Rb6 h3 (44...Rh3 45.Kg2 Rg3 46.Kh2+-) 45.Rb8 (45.Ng6?! Rd2 46.Rb8 Kd7 47.Ne5 Kc7+-) 45...Ke7 46.Rh8 (46.Ng6 Ke6 47.Rb6 Kd7+-) 46...Rb2 (46...Rh1 47.Ng4+-) 47.Rh3 (47.Ng6?! Kf7 48.Ne5 Ke6 49.Rh3 Rb1+-) 47...Rb4 (47...Rb1+-) 48.Nc6 (48.Nc6 Kd6 49.Nb4+-) 1-0. Knight286 (2110) - Manu94 (2365), Rated Blitz game, lichess.org, 2016.

7.Bb2 Be6 8.a3 Ba5 9.cd5 Bd5 10.Nc3 Be6 (10...Bc3 11.Bc3 0-0 12.Rb1=+) 11.Bb5 Bd7 12.0-0 a6 13.Bc4 (13.Bc6 Bc6 14.Ne5 Rc8=) 13...0-0 (13...b5 14.Ba2=) 14.d4 (14.Nd5 Nd5 15.Bd5 Ne7=) 14...b5 15.Ba2 (15.Be2 c4=) 15...cd4 (15...c4 16.d5 Ne7 17.d6=+) 16.Nd4= Nd4 17.Qd4 Bc6 18.Qf4 (18.Ne2 Be4 19.Rfd1 Qe7=) 18...Bc7 19.Qg5 Qd6 20.f4 h6 (20...Bb6 21.Rad1 Qe7 22.Rfe1=) 21.Qg3= Qe7 (21...Bb6 22.Rad1 Qe7 23.Rfe1=) 22.Rae1 (better 22.Bd5 Qd7 23.Rac1+/-) 22...g6?? (22...Rad8!?=+) 23.Kh1 (better 23.Qg6 Kh8 24.Qh6 Nh7 25.Nd5 Be5 26.Bb1+-) 23...Ne4?? (better 23...Kh7+=) 24.Qg6+- Kh8 25.Ne4 (25.Qh6 Kg8 26.Nd5 Ng3 27.hg3 Qe5 28.Be5 Be5 29.Ne7) 25...f6 26.Nf6 Qg7 (26...Bg2 27.Kg1 Rf7 28.Qh6 Rh7 29.Nh7 Be5 30.Be5 Qe5 31.Nf6) 27.Qg7 (27.Ne8! Be5 28.Be5 Bg2 29.Kg2 Rf7 30.Bg7 Rg7 31.Qg7) 27...Kg7+- 28.Nd5 (28.Rc1 Bd8 29.Nd7 Bf6 30.Nf6 Rfc8+-) 28...Kg6 (28...Kh7 29.Nc7 Ra7 30.Ne6+-) 29.Nc7 Rac8 30.Ne6 Rfe8 31.f5 Kf7 32.Nd4 (better 32.Nf4 Ke7 33.f6 Kd7+-) 32...Ke7 33.Nc6 (better 33.f6 Kf8 34.f7 Bd7 35.fe8R Ke8+-) 33...Rc6 34.Bd4 Rec8 35.Be6 (better 35.Bg7 Rf8+-) 35...Rc2 36.h3 (36.Bc8 Rc8 37.Rc1 Rc4 38.Rc4 bc4 39.f6 Kf7 40.Rb1 h5 41.Rb7 Ke6 42.f7 Kd5 43.f8Q Ke4 44.Qf3 Kd3 45.Qf5 Kd2 46.Rb2 Kd1 47.Qb1) 36...R8c3 (36...Rb8 37.Bg7 Rb6 38.Bd5+-) 37.Bc3 Rc3 38.Rd1 (better 38.e4 h5 39.e5 b4+-) 38...b4 39.Rd7 Kf6 40.Rf7 Ke5 41.Rf6! ba3 (41...Kf6 42.ab4 Combination) 42.Rh6 a2 43.Rh5 (better 43.Ba2 Ke4 44.Re6 Kd3+-) 43...Rb3 44.Rh4 (better 44.Bb3 Ke4 45.f6 Kd3 46.f7 a1Q 47.Ra1 Kd2 48.Rd5 Kc3 49.f8Q a5 50.Rb1 a4 51.Qc5) 44...Rb1 45.Re4 Ke4 46.Rb1?? (better 46.Ba2 Rf1 47.Kh2=+) 46...a1Q (better 46...ab1Q 47.Kh2 Ke3 48.Ba2 Qb4 49.Bb3 Kf2 50.Bc4 Qd6 51.Kh1 Qd1 52.Bf1 Qf1 53.Kh2 Qg2) 47.Ra1 a5 48.Ra5 Kd3 49.Ra4 Ke2 50.Ra5 Kf2?? (50...Kd3 51.Rd5 Kc2 52.f6 Kb3 53.f7 Kc3 54.f8Q Kb3 55.Qf2 Kc4 56.Qd2 Kb3 57.Ra5) 51.Ra6 Ke3 (51...Ke2 52.Ra3 Kf2 53.f6 Ke1 54.f7 Kd2 55.f8Q Ke2 56.Bc4 Ke1 57.Ra2 Kd1 58.Qf1) ½-½. gohaha (1900) - HaroulaB (2390), Rated Bullet tournament, lichess.org, 2016.

7.Bc3 Bc3 8.Nc3 (8.dc3 Be6=+) 8...d4 9.Nb5 (9.ed4 Nd4 10.Be2 0-0=+) 9...a6 10.Na3 d3 11.Qb3 Nb4 12.h3 (12.g3 0-0=+) 12...Ne4 13.Qb2 0-0 14.g4 (14.g3 Qb6 15.Rb1 Qa5-/+) 14...Bd7 15.Bg2 Bc6 16.0-0 f5 17.Qe5 (17.gf5 Rf5 18.Ne5 Qh4-/+) 17...fg4-+ 18.Qe6 (better is 18.hg4!? Qc8 19.Qh5-+) 18...Kh8 19.Ne5 Ng5 20.Qg4-/+ Bg2 21.Kg2 Nf7 22.Nd7?? Nh6-+ 23.Qe6 Re8 24.Qd6 Nc6 25.Qd3?? Qg5 26.Kh2 Rad8 27.Rg1? Qe7 28.Rg7 Qg7 29.Rg1 Rd7 30.Qc2 Qe5 31.f4 Qf6 32.Nb1 Rg7 (32...Rg7 33.Rg7 Qg7 34.Qd3 Rg8 35.Qc3 Nd4 36.Qd4 cd4 37.ed4 Qg2) 0–1. De Jager,Jaap – Jonkheer,A, Vlissingen NED, 1999.

7.cd5 Ne5 8.Ne5 Qd5 9.Nf3 0-0 10.Nc3 Bc3 (10...Qd6 11.a3 Ba5 12.Qc2=+) 11.dc3 Be6 12.Be2 (12.Qd5!? Nd5 13.Rc1=) 12...Qd1-/+ 13.Bd1 Ne4 14.0-0 (14.Bc2!? Nc3 15.Ng5-/+) 14...Nc3-+ 15.Bb3 (15.Rc1 Na2 16.Rc5 b6-+) 15...Bb3 (15...c4!? 16.Bc2-+) 16.ab3-/+ Rfd8 17.h3 Ne4 (17...b5 18.Ra5-+) 18.Rfd1-/+ a6 19.Rac1 (19.Kf1 Kf8-/+) 19...Kf8 20.Kf1 Ke7 21.Ke1 Rd1 22.Rd1 Rd8 23.Rb1 (23.Rd8 Kd8 24.Ne5 Ke7-/+) 23...f6 24.Ke2?? (better 24.h4-+) 24…Nc3 (24...Nc3 25.Ke1 Nb1-+) 0-1. Knight286 (2105) - Coordinated_retreat (2180), Rated Blitz game, lichess.org, 2016.

5.e3 Nc6

6.a3 Ne5 7.ab4 Bg4 8.Be2 Bf3 9.Bf3 Qd6 10.b5 0-0 11.Be2 d4 =.

6.Bb5 a6 7.Ba4 b5=+ 8.Bb3 0-0 9.0-0 Ne4 10.d3 Ne5 11.de4 Bg4-/+ 12.Bd5 Rc8 13.h3?? Nf3-+ 14.gf3 Bh3 15.Re1 Qg5 (15...Qg5 16.Kh2 Qg2) 0–1. gtate (1790) – freeland (1665), net–chess.com, 2001.

6.Bb5 Bd7 7.0-0?? Ne5-+ 8.Bd7 Ned7 (8...Kd7?! 9.Ne5 Ke8 10.c4+=; worse is 8...Nfd7 9.d4 Nf3 10.Qf3-+) 9.c3 Bd6 10.d4 0-0 11.Nbd2 c5 12.Qb3 Qc7 13.dc5 (13.Rfb1 Rab8-+) 13...Nc5 (worse is 13...Qc5 14.Qb7 Qc3 15.Rac1-+; worse is 13...Bc5 14.c4-+) 14.Qb1 Nce4 15.Ne4 (15.h3 Nc3 16.Qd3 Rfc8-+) 15...de4 (worse is 15...Ne4 16.c4 Qc4 17.Qb7-+) 16.Nd4 (16.Nd2 Rfe8-+) 16...Bh2 17.Kh1 Be5 18.Qb3 Rfc8 19.Nb5 (19.Rac1 Ng4 20.Qd1 h5-+) 19...Qb6 20.Rac1 (20.Nd4 Qb3 21.ab3 Rc3 22.Rfc1-+) 20...Ng4 21.Qa4 (21.Rfe1 Nf2 22.Kg1-+) 21…Qh6 (21...Qh6 22.Kg1 Qh2#) 0–1. Neumann,Frank (1650) – Anschuetz,Ulrich (2085), RSS5E NoEngine–88, 2009.

6.Bb5 Bd7 7.Bc6 Bc6 8.0-0 Bd6 9.d4 0-0 10.Nbd2 Ne4 11.Ne4 de4 12.Bd6 Qd6 13.Nd2 f5 14.c4 Rf6 15.c5 Qe7 16.Nc4 f4 17.Qb3 Bd5=+ 18.Qc3 Raf8 19.Ne5 f3-/+ 20.g3 Qe6 21.Kh1?? Qh3 22.Rg1 Rh6 (22...Rh6 23.Ng4 Qg4 24.Rg2 fg2 25.Kg1 Qh3 26.f4 Qh2 27.Kf2 g1Q; 22...Qh2 23.Kh2 Rh6) 0–1. gtate (1920) – wulebgr (2120), net–chess.com, 2004.

6.c3 Ne5 7.Ne5 Bd6 8.Qa4 Kf8 9.d4 c5 10.Nd2 Qc7 11.Nef3 c4 =+.

6.Bc3 0-0 7.Bb4 Nb4 8.a3 Nc6 9.d4 Ne4 10.Bb5 Bg4 =.

6.Nc3 0-0 7.h3?? Be6 8.Be2 Qd7?? 9.Bg3 Rfe8 10.Bb5 a6 11.Ne5=+ Bc3?? 12.Nd7+- Ba1 13.Bc6 bc6 14.Nc5 Bb2 15.Bc7 Bf5 16.0-0 a5 17.d4 Ra7 18.Be5 Nd7 19.Na4 Ne5 20.Nb2 Rb7 21.Na4 Nc4 22.Nc5 Rb2 23.a4 Bc2 24.Qg4 Nb6 25.Rc1 Na4 26.Nd7 Re6? 27.Ra1 Rg6+/– 28.Qh4 f6 29.f4?? Rh6?? 30.Qe1 Be4= 31.Qa5 Rg2 32.Kf1 Nb2?? 33.Qd8 Kf7 34.Qf8 Kg6 35.Qe8 Kf5 36.Nf8 Rf2 37.Kf2 Nd3 38.Kg3 Rh3+- 39.Kh3 Nf4 40.Kh4 Ng2 41.Kg3 g6 42.Rf1 Bf3 43.Rf3 Kg5 44.Ne6 Kh6 45.Qf8 Kh5 46.Qf6 Kh6 47.Qg5# 1–0. NN – ChessChampionMarkV, 1994.

6.Nc3 Ne5 7.Ne5 0-0 8.Nb5 -/+.

6.Bf4 0-0 7.Bb5 a6 8.Bc6 bc6 9.0-0 Rb8 10.d3 Re8 =.

6.Bg3 0-0 7.c3 Ba5 8.Be2 Qe7 (8...Ne4 9.Bh4 Qd6 10.0-0=+) 9.0-0 Ne4 10.Qb3 Rd8 11.d3 (11.Bh4 g5 12.Bg3 h5=) 11...Ng3 12.hg3 h6 13.Nbd2 (13.d4 Bb6=+) 13...d4-/+ 14.cd4 Bd2 15.Nd2 Nd4 16.Qd1 Ne2 17.Qe2 Bf5 18.d4 (18.e4!?-/+) 18...Rd4!-+ 19.Nb3 (19.ed4 Qe2 Pinning (19...Qe2 Deflection)) 19...Bd3 20.Qf3 Rdd8 21.Rfd1 c5 22.Rac1 Be4 23.Qe2 b6 24.Qb5 Rd6 25.a4 (25.Rd6 Qd6 26.Qa4 Bd5-+) 25...Rad8 26.Rd6 Qd6 27.a5 Bd3 28.Qa4 b5 29.Qg4 (29.Qh4 c4 30.Nd4 b4-+) 29…Bc4 (29...Bc4 30.Na1 Qd2-+) 0-1. Mely (2235) - wileyoreilley (2600), ChessWorld.net, 2016.

6.Bg3 0-0 7.c3 Bd6 8.d4 Ne4 9.Bd3 f5 10.Qc2 Be6 11.Nbd2 Qd7 (11...Ng3 12.hg3 Qf6 13.Rb1=) 12.0-0 (12.Bd6 Qd6 13.Rb1 b6=) 12...Rae8 (12...Ng3 13.fg3 Qe7 14.Rab1=+) 13.a4 (13.Bd6 Qd6 14.Rab1 b6=) 13...Ne7 (13...Ng3 14.hg3 Na5 15.Rab1=) 14.Ne5 (14.Bd6 Qd6 15.Rfb1 b6+=) 14...Be5 (14...Qc8 15.Bf4=) 15.Be5 Ng6 16.Bg3 (16.Nf3 Qe7=) 16...Qf7 17.Rfb1 f4 (17...c6 18.Nf1 b6 19.Rb2=) 18.ef4 (worse 18.Ne4 de4 19.Be4 fg3 20.hg3 c6-/+) 18...Ng3 (18...Nd2!? 19.Qd2 b6+=) 19.hg3 Bg4? (better 19...b6+/-) 20.Rb7+- Be2 (20...a6 21.c4 Be2 22.cd5 Qd5 23.Qc7+-) 21.Bg6 (21.Ra7 Bd3 22.Qd3 Re7+-) 21...hg6 22.Nf3 (22.Ra7!? g5 23.f5 g6+-) 22...Bf3 23.gf3 Re6 (23...g5 24.f5 a6 25.Kg2+-) 24.Kg2 (24.Ra7 g5 25.f5 Rh6+-) 24...g5 25.f5 Qf5 (better 25...Rh6 26.Rh1 Rh1 27.Kh1 g6+-) 26.Qf5 Rf5 27.Rc7 (27.Ra7 c6+-) 27...g4 (27...Rf7 28.Rc8 Rf8 29.Rc5+-) 28.f4 (28.fg4 Rf7 29.Rc8 Rf8 30.Rf8 Kf8+-) 28...Re2 (28...Rf7 29.Rc8 Rf8 30.Rc5+-) 29.Rb1 Rf7 (29...a6 30.Rb8 Rf8 31.Rbb7+-) 30.Rbb7 (better 30.Rb8 Rf8 31.Rbb7 Kh8 32.Rg7 Rc8+-) 30...Rc7 31.Rc7 Rc2 32.f5 (32.a5 a6+-) 32...Kf8 33.Rd7 (33.a5 a6+-) 33...a5 (33...a6 34.Rd5 Rc3 35.Kf1+-) 34.Rd5 Rc3 35.Ra5 Rc4 36.d5 Kf7 (36...Ke7 37.Ra7 Kd6 38.Rg7 Kd5 39.Ra7+-) 37.d6 Ke8 (37...Rd4 38.Ra7 Kf6 39.d7+-) 38.Ra7 Rd4 39.a5 (39.a5 Rd6 40.Rg7+-) 1-0. ClayPigeons (2085) - zcod (2070), Rated Bullet game, lichess.org, 2020.

6.Bg3 0-0 7.c4 d4-/+ 8.Qb3 a5 (8...de3 9.fe3 Ne4 10.Bh4-/+) 9.a3=+ Bc5 10.Qb5 Qe7 11.Bd3 h6 (11...de3!? 12.de3 Be3-/+) 12.0-0=+ Bg4 (12...a4=+) 13.Bc7 (better 13.Qb7!? Bf3 14.gf3=) 13...Bf3-/+ 14.gf3 Qc7?? (better 14...Na7!? 15.Qa5 A) 15...de3?! 16.Bb6 (16.fe3? Nc6 17.Qc3 Qc7-+) 16...Bb6 17.Qb6-/+; B) 15...Nc6-+) 15.Qc5-/+ Rad8 (15...a4 16.Qf5 (16.ed4?? Ra5-+) 16...Ra5 17.c5-/+) 16.Bc2=+ Qd7 (16...Qe5 17.Qe5 Ne5 18.d3 de3 19.fe3 Nd3 20.Bd3 Rd3 21.Kf2=+) 17.Kh1 (better 17.Ba4!?=) 17...Qh3-/+ 18.Bd1?? (better 18.Kg1-/+) 18…Qf1 0-1. ClayPigeons (2090) - Asabri (2145), Rated Bullet game, lichess.org, 2020.

6.Bg3 0-0 7.Be2 Bf5 8.0-0 Ne4 9.c3 Ba5 10.Qb3 Bb6 11.d4 Re8 12.Nbd2 Ng3 13.hg3 Qd6 14.Nh4 Bd7 15.Rab1 Na5 16.Qd1 c5 17.Bd3 g6 18.Nhf3 c4 19.Bc2 f5 20.Ne5= Nc6 21.Ndf3 Ne5 22.Ne5 Re7 23.Qd2 =. Torre,Isidro – Mann,Derek, IECC, 1999.

6.Bg3 d4 7.a3 Ba5 (7...Bc5=) 8.c4 (better 8.Bb5!? de3 9.fe3=) 8...Ne4 9.Qa4 (9.Qb3!?-/+) 9...de3 10.fe3 Bg4 (10...Ng3 11.hg3 Qf6 12.Ra2-+) 11.Nd4 (11.Bh4 g5 12.Qc2-+) 11...Nc5?? (better 11...Ng3 12.hg3 Qg5-+) 12.Qb5+= (worse 12.Nc6 Na4 (12...bc6?? 13.Qa5 Nd3 14.Bd3 Qd3 15.Qe5 Kf8 16.Nc3+-) 13.Nd8 Rd8=+) 12...Bb6 (12...Qe7 13.Bf4 a6 14.Nc6 ab5 15.Ne7 Ke7 16.cb5=) 13.Nc6 bc6 14.Qc6 Bd7 15.Qf3 0-0 16.Be2 h5 (16...Nb3 17.Ra2 Nc1+=) 17.0-0?? (better 17.Qh5 Be6 18.d4+-) 17...Bg4= 18.Qf2 Be2 (better 18...Ne4!? 19.Qe1 Nd2 20.Nd2 Be3 21.Kh1 Bd2=) 19.Qe2+/- Qd3 20.Nc3 (better 20.Qh5!? Ne4 21.Qf5+=) 20...Qe2= 21.Ne2 Nd3?? (better 21...Nb3 22.d4 Na1 23.Ra1 Ba5=) 22.Nf4+/- Rad8 23.Rfd1 (23.Nh5 Nb2 24.c5 Bc5+/-) 23...c6 24.Rab1 Nf4 25.Bf4 f6 (25...Rd3!?+=) 26.d4+/- g5 27.c5 gf4 28.cb6 fe3 (28...ab6 29.ef4 c5 30.dc5 bc5 31.Rdc1+/-) 29.ba7 e2 30.Re1 1-0. ClayPigeons (2180) - Danrelle (2195), Rated Bullet game, lichess.org, 2021.

6.Bg3 d4 7.Nd4 Nd4 8.c3 Nc6 9.cb4 Nb4 10.Qa4 Nc6+=.

6.Bg3 Ne4 7.Bb5 Ng3 8.hg3 a6 9.Bc6 bc6 10.c3 Bd6 =.

6.Bg3 Ne4=+ 7.c3 Be7 8.d4 h5 9.h3 Ng3-/+ 10.fg3 Bd6 11.Kf2 Ne7 12.Bd3 c6 13.g4 hg4 14.hg4 Rg8 15.g5 Bf5 16.c4 dc4 17.Bc4 Qc7 18.Nc3 Bg6 19.Rh3 Bf5 20.Rh1 Bg6 21.Rh3 0-0-0 22.Nh4=+ Rgf8 23.Ng6 fg6 24.Kg1= Nf5 25.Be6 Kb8 26.Qb3 Ng3 27.Rb1 Rde8 28.d5 b6=+ 29.Rh4?? Bc5-+ 30.Ne4 Ne4 31.Re4 Qg3 32.Rf1 Rf1 33.Kf1-/+ Rf8 (33...Rf8 34.Ke2 Qg2 35.Kd3 Qf1 36.Kc3 Rf2-+) 0–1. Sawamura,Tetsushi – Surface,Mitchell, IECG, 2001.

6.Bb2

6.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Nf3).

6.Bb2 0-0

7.c4 Be6 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Be6).

7.c4 Re8 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8).

7.c4 Bf5 8.cd5 Nd5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bf5 8.cd5 Nd5).

7.c4 Bf5 8.cd5 Nd5 9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5).

7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3).

7.Be2 Re8 8.0-0 Qe7 9.d3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bf5 9.d3 Qe7).

7.Be2 Re8 8.0-0 Bf8 9.c4 Bf5 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Bf8).

6.Bb5 0-0

7.Bc6 bc6

8.0-0 Rb8 9.Nc3 Bf5 10.Bd4 a6 11.Qe2 Bc2 12.Rfc1 Be4 13.Qa6 Bf3 14.gf3 Qd6 15.f4 Ra8 16.Qe2 Qe7 17.Be5 Ba3 18.Rcb1= Rfb8 19.d4 Bb4 20.Qd3 Ra3 21.Bf6 Qf6 22.Rb3 Rb3 23.ab3 Qg6 24.Qg6 fg6 25.Ne2 Bd6 26.Ra6 Rb3 27.Rc6 Rb2 28.Nc1 Kf7 29.Nd3 Ra2 30.Kg2 Ke6 31.Nc5 Ke7 32.h4 Rb2 33.Nd3 Rd2 34.Ne5 Ra2 35.Rc3 Ke6= 36.Kg3 Kf6 37.Rc6 h6 38.f3 Kf5 39.Nf7+/– Ke6 40.Nd6 Kd7 41.Rc5 Kd6 42.Rc3 Re2 43.Kh3 c6 44.Kg3 Re1 45.Kg2 Rd1 46.Kg3 Rg1 47.Kh3 Rf1 48.Kg4 Ra1 49.Kg3 Rd1 50.Kg2 Re1 51.Rb3 Ke6 52.Rc3 Kd7 53.Kf2 Ra1 54.Kg2 Ra4 55.Kg3 Kd6 56.Rb3 Ra7 57.Kf2 Rf7 58.Ke2+= Ke6 59.Rb6 Kd6 60.Rb2 Re7 61.Rc2 Re8 62.Kd3 Ra8 63.e4+/– Ra1 64.e5 Kd7+= 65.Rb2 Ra3 66.Ke2 Ra7 67.Rb3 Ke6 68.Rc3 Ra6 69.Kd3 Kf5 70.Ke3 Rb6 71.Ra3 Rb7 72.Rc3 Rb6 73.Ra3 Rb7 74.Rc3 Rb6= ½–½. Mephisto Mondial – REXChess, 1994.

8.0-0 Bg4 9.h3 Bd7 10.c3 Ba5 11.Na3 Qe7 12.Qa4 Bb6 13.d3 Bf5 14.Rfd1 (worse is 14.Qc6 Qa3 (14...Bd3?! 15.Bf6 gf6 16.Rfd1=) 15.Bf6 gf6 16.Qd5 Be6-/+) 14...Nd7 15.Qf4 Ne5 16.Ne5 Bh3 17.gh3 Qa3 18.Qb4 Qb4 19.cb4 c5 (19...d4 20.e4=) 20.bc5+= f6 21.cb6 fe5 22.bc7 1–0. Parry,Andrew – Konieczny,Franz, IECG, 2004.

8.0-0 Bg4 9.h3 Bh5 10.c3 Ba5 11.d4 Ne4 12.Qd3 Qe7 13.c4 Bg6 14.Qe2 Bc3 15.Nc3+= Nc3 16.Qd2 Ne4 17.Qe2 f6 18.Bf4 Rab8 19.c5 Bh5 20.g4 Bg6 21.Nh4 Bf7 22.Kg2 Qd7 23.Nf5 g6 24.Ng3 g5 (24...g5 25.Ne4 de4+=). gtate (1920) – nhathuy (2100), net–chess.com, 2005.

8.c3 Bd6 9.0-0 Re8 10.Bd6 cd6 11.d3 c5 12.Re1 =+.

8.Nd4 c5 9.a3 Ba5 10.Nb3 Bb6 =+.

5.e3 Bd6

6.Bb2 0-0 7.c4 Be6 8.cd5 Nd5 9.Be2 c5 10.0-0 Nc6 11.Nc3 Nc3 12.Bc3 Qc7 13.a4 Rad8 14.Qb1 (14.Qc2 Bd5 (14...f5 15.a5 Nb4 16.Qb2 Nd5 17.Bc4 Kh8 18.Be5=; 14...f6 15.Rab1 b6 16.Rfc1 Rde8 17.Bb5 Bd5 18.d4=; 14...Qe7 15.d4 Nb4 16.Bb4 cb4 17.e4 b3 18.Qb2=) 15.e4 Be6 16.a5 Rfe8 17.Rfb1 Re7 18.h3=) 14...Bd5 (14...f6 15.Bd3 g6 16.a5 Bg4 17.Be4 Bf3 18.Bf3=+) 15.h3 (15.e4 Be6 16.a5 Ne5 17.Ng5 c4 18.Kh1=+) 15...Rfe8 16.Rc1 (16.Ng5 g6 17.e4 Nd4 18.Bd4=+) 16...Qe7 17.d4 (17.a5 Nb4 18.d4=) 17...Bf4 18.Bd3 (18.ef4!? cd4 19.Nd4 Nd4 20.Bd4 Qe2 21.Ba7+=) 18...Be3 19.Re1? (19.fe3 Qe3 20.Kh1 Bf3 21.Bh7 Kh8 22.dc5-+) 19...cd4-+ 20.Bh7 Kh8 21.fe3 dc3 22.e4 Qc5 23.Kh1 c2 24.Qb7 Kh7 25.Ng5 Kh6 26.Qc7 Qe7 (26...Qe7 27.Qe7 Ne7 28.ed5 Kg5-+) 0–1. Andreazza,Attilio (1975) – Kwong,Tom (1875), IECG, 1999.

6.Bb2 0-0 7.d4 Bf5 8.Bd3 Be4 9.0-0 Nbd7 10.c4 c6 11.Nc3 Bd3 12.Qd3 dc4 (12...Qb6 13.Qc2 dc4 14.e4=+) 13.Qc4= Qe7 14.Qb3 b6 (14...Rfe8 15.Rfe1= (worse 15.Qb7 Rab8 16.Qc6 Rb2-/+)) 15.Rfe1 (15.e4 Ne4 16.Rae1 Ndf6+/-) 15...Ne4= 16.Ne4 Qe4 17.a4 c5 18.Rac1 Rac8 19.a5 (19.Rc4 Rfd8=) 19...Be7 (19...ba5 20.Qc3 c4 21.Qa5=) 20.ab6+= ab6 21.dc5 (21.Rc4 Rfe8+=) 21...Nc5 22.Qc4?? (better 22.Qb5=) 22...Qc4-+ 23.Rc4 Nd3 24.Re4 Ne1 (better 24...Rfe8!? 25.Kf1 Nb2 26.Ra1-+) 25.Ne1 Rfe8 26.Kf1 Bf6 (26...b5 27.Rd4-+) 27.Rb4 (27.Re8 Re8 28.Bf6 gf6-/+) 27...Bb2 28.Rb2 Rc6 29.Ke2 Rb8 30.Nd3 b5 31.e4 f6 32.Ke3 Kf7 33.Nb4 Rc3 34.Kd2 Rc4 35.f3 Rd8 (35...Ke6 36.g4-+) 36.Ke3 Rc3 37.Ke2 Rdc8 38.Kd2 Rc1 39.Nd5 Rg1 (39...R1c5 40.Ra2-+) 40.Ke3 (40.Kd3 Kf8-/+) 40...Rcc1 (40...Rc5 41.Ra2-+) 41.g4 (41.Rb5!? Rg2 42.Rb7 Ke8 43.h4-/+) 41...Rce1 42.Kd4 Ref1 43.f4 (43.Rb5 Rf3 44.Ne3 h6-/+) 43...Rg4 (43...Rb1 44.Rb1 Rb1 45.Kc5-+) 44.Rb5-/+ Rd1 45.Kc5 Rg2 46.Rb7 Kf8?? (46...Kg6 47.Ne7 Kh5 48.Nd5-+) 47.Kd6 (47.Rb8 Kf7 48.Rb7 Kg6 49.Ne7 Kh5 50.Nd5-+) 47...Re2 (47...Ra2 48.Rb4-/+) 48.Rb8 (48.e5!? Red2 49.Rb8 Kf7 50.e6 Kg6 51.Rb5-/+) 48...Kf7-+ 49.Rb7 (better 49.e5-+) 49...Kf8 (49...Kg6!? 50.f5 Kh6 51.Rb4-+) 50.Rb4?? (50.Rb8 Kf7 51.Rb7 Kg6-+) 50...h5?? (50...Ra1 51.h4-+) 51.e5?? (better 51.Ke6 Kg8 52.Nc3+=) 51...fe5-+ (51...Rh2 52.Rb8 Kf7 53.e6 Kg6 54.e7=) 52.fe5 Red2 (52...g5 53.Rb7 Red2 54.Rb5-+) 53.Rb8 Kf7 54.e6 Kg6 55.Rb5? (better 55.e7 Rd5 56.Ke6 Re1 57.Kd5 Re7 58.Rb2-/+) 55...Rh2-+ 56.Ke7 Rd5?? (better 56...Rd4-+) 57.Rd5= Re2 (57...Ra2!?=) 58.Rd1 h4 (58...Rb2+=) 59.Rg1 (better 59.Kd7!?+/-) 59...Kh6= 60.Kf7 g5 61.e7 Kh5 (61...Rf2 62.Ke8=) 62.Kf6 (62.Rc1!?+=) 62...g4 63.Rc1 h3?? (better 63...g3 64.Rc5 Kg4=) 64.Rc5+- Kh4 65.Re5 Rf2 66.Kg6 h2 (66...Kg3 67.e8Q Kh2+-) 67.e8Q h1Q 68.Rh5 (68.Qh8 Kg3 69.Qh1 Kf4 70.Qe1 Kf3 71.Rf5 Kg2 72.Qf2 Kh3 73.Rh5) 68...Kg3 69.Rh1 (69.Rh1 Kf4 70.Re1 Kg3 71.Qe4 Rf6 72.Kf6 Kh2 73.Re2 Kh3 74.Qg2 Kh4 75.Qh2) 1-0. Rasulov,Vu (2475) - Lopez Gracia,F (2295), Titled Tuesday 3rd Nov, 2020.

6.Bb2 0-0=+ 7.Be2 c5 (7...Re8 8.0-0=+) 8.Nc3 (8.0-0 Re8=) 8...Nc6 9.Nb5 Be7 10.Na3 (10.0-0 a6 11.Nc3 b5=+) 10...a6 (10...Qb6 11.Qb1=+) 11.c4 (11.0-0 b5=+) 11...Bg4 (11...dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5=+) 12.0-0 Rb8 13.d4 Bf3 14.Bf3= cd4 15.ed4 Ba3 16.Ba3 Re8 17.cd5 Nd5 18.Bb2 b5 19.Qd2 a5 20.Rac1+= Rc8 21.Rc5+/– Nce7 22.Rb5 Ra8 23.Re1+- Rb8 24.Rb8 Qb8 25.Qa5 Qb2 26.Qd5! (26.Qd5 Qb4 27.Qe5+-; 26.Bd5?! Qd4 27.a3 Qf6+/–) 1–0. Woelfelschneider,Peter – Kis_Kos,Laszlo, FICGS, 2006.

6.Bb2 Nc6 7.Nc3 0-0 =.

6.Bb2 Nc6 7.h3 Qe7 (7...0-0 8.Be2=+) 8.Be2 (8.Bf6 Qf6 9.Nc3 Ne7=) 8...Ne5 (8...0-0 9.Nc3=+) 9.0-0 (9.Ne5 Be5 10.Nc3 0-0=) 9...Nf3=+ 10.Bf3 Ne4 (10...0-0 11.d3=+) 11.a3 (11.d3 Be5 12.c3 Nf6=) 11...Qh4=+ 12.d3?? (better is 12.Be2=+) 12...Bh3!-+ 13.Be4 (13.gh3 Qh3) 13...Bg4 14.f3 (14.g3 Bg3 15.fg3 Qg3 16.Bg2 Qe3 17.Rf2 Bd1 18.Nc3-+) 14...Qh2 (14...Bh2 15.Kh1 Bg3 16.Kg1 Qh2) 15.Kf2 Bg3 16.Ke2 Qg2 (16...Qg2 17.Rf2 Qf2) 0–1. Harris,Bill – Wall,Bill, Dayton, OH, 1982.

6.Bb2 Nc6 7.h3 Qe7 8.Be2 Ne5 9.0-0 Nf3 10.Bf3 Ne4 11.a3 Qh4 12.d3 Bh3 13.Be4 Bg4 14.f3 Bh2 15.Kh1 Bg3 (15...Bg3 16.Kg1 Qh2#) 0–1. Harris,Bill – Wall,Bill, Dayton, OH, 1982.

6.Bb2 Qe7 7.Be2 0-0 8.0-0 Bg4 9.c4 dc4 10.Bc4 Nc6 11.d4 Na5 12.Bd3 Nd5 13.Nc3 Nb4 14.Be2 Bf3 15.Bf3 c6 16.a3 Na6 17.Qd3 Qc7 18.g3 Qd7 19.Be4 f5 20.Bf3 Qf7 21.Be2 Nc7 22.Rab1 Qb3 23.a4 Rae8 24.Rfc1 Qf7 25.Bf3 Rb8 26.Ne2 b5 27.Bc6+/– ba4 28.Ba4 Nd5 29.Qc2 Rb4 30.Ba1 Rc4 31.Qa2 Nb4 32.Qd2 Rb8 33.Nc3 Rbc8 34.f3 a6 35.g4 fg4 36.fg4 Qe6 37.h3 Qh6 38.Kg2 R4c7 39.Re1?? Qh4=+ 40.Ne4 Rc2 41.Bc2 Rc2 42.Bc3 Nc4 43.Bb4 Nd2 44.Bd2 Qe7 45.Kf3 Qf7 46.Ke2 Qc4 47.Kf3 Qd5 48.Rec1 Rd2 49.Rc8 Kf7 50.Rd8 Rf2! 51.Kf2 Qe4 52.Rd7 Ke8 53.Rdb7 Qc2 54.Kf3 Bc7 55.Rb8 Bb8 56.Rb8 Kd7 57.Rb7 Kc6 58.Rg7 Qd1 59.Kf2 a5 60.Ra7 a4 61.Ra8 Kb7 62.Rf8 a3 63.Rf7 0–1. Bonetti,Shane – Tinker (2500), ICC, 2002.

6.Bb2 Qe7 7.Be2 0-0 8.0-0 Bg4 9.c4 dc4 10.Bc4 Nc6 11.d4 Na5 12.Bd3 Nd5 13.Nc3 Nb4 14.Be2 Bf3 15.Bf3 c6 16.a3 Na6 17.Qd3 Qc7 18.g3 Qd7 19.Be4 f5 20.Bf3 Qf7 21.Be2 Nc7 22.Rab1 Qb3 23.a4 Rae8 24.Rfc1 Qf7 25.Bf3 Rb8 26.Bg2 b5 27.Ne2 ba4= 28.Bc6 a3 29.Ba1 Nc6 30.Rc6 Bb4 31.Rd1 Nd5 32.Ra6 Rfe8 33.h3 Re7 34.Qc2 Rc7=+ 35.Qb3 Rbc8 36.g4 Kh8 37.gf5 Qf5 38.Rf1 Qf3-+ 39.Re6?? Rc6 40.Rc6 Rc6 41.Kh2 Rg6 42.Ng3 Bd6 43.Rg1 Qf2 44.Kh1 Rh6 45.Qb8 Bb8 46.Nf1 Qf3 47.Rg2 Qf1 48.Rg1 Rh3# 0–1. Bonetti,Shane – Tinker (2405), ICC, 2002.

6.Bb2 Bf5 7.Nd4 Bg6 8.Be2 c6 9.0-0 Nbd7 10.f4 h6 11.f5 Bh7 12.Ba3 Ba3 13.Na3 0-0 14.c4 c5 15.Ndc2 dc4 16.Nc4 Qc7 17.a4 Ne5 18.Rc1 Rfd8 19.d4 Neg4?? 20.Bg4+- Ng4 21.Qg4 cd4 22.Nd4 a6 23.f6 (23…Bg6 24.a5+-) 1–0. weBNimzo (2240) – Marjanovics (1780), ChessWorld.net, 2003.

6.Bb5 c6 7.Bd6 Qd6 8.Be2 Bg4 9.d4 Bf3 10.Bf3 0-0 =.

6.Nc3 c6 7.Be2 Be5 8.Ne5 Nbd7 9.d4 (9.Nd7 Qd7 10.d4 0-0=) 9...Qa5 10.Qd2 Ne5 11.de5 Nd7 12.0-0 (12.f4 b5=+) 12...0-0 (12...Ne5 13.Qd4 f6 14.f4=+) 13.f4 Nc5 14.Rad1 Re8 15.a4 (15.Bf3 Na4 16.Ne2 Qd2 17.Rd2 f6=+) 15...b6 (15...Na4? 16.Na4 Qd2 17.Rd2+-) 16.Ra1 Bf5 17.g4 Bd7 18.Bf3 Rad8 19.Rfd1 Bc8 (19...Be6 20.Ne2=+) 20.g5 Qa6 21.a5 b5 22.Qd4 Ne6 23.Qb4 Bd7 24.Qa3 Qc8 25.Rd2 Nf8 26.Rb1 Bg4 27.Bg4 Qg4 ½–½. Trokenheim,Marek (1815) – Laine,Jari (1850), FICGS, 2008.

6.Nc3 c6 7.Be2 Qe7 8.Bd6 Qd6 9.0-0 0-0 10.d4 Nbd7 11.a4 Re8 12.a5 Ne4 13.Ne4 de4 14.Nd2 Nf6 15.Nc4 Qc7 16.Ne5 Be6 17.c4 Rad8 18.Qa4 c5 19.Rfd1 Bc8 20.Rab1 Re6 21.f3 Nd7 22.Ng4 f5=+ 23.d5 Ra6 24.fe4 fg4-+ 25.Bg4 Ne5 26.Bc8 Rc8 27.h3 Ra5 28.Qb3 Rb8 29.d6 Qd7 30.Qc3 Nc6 31.Rb5 b6 32.e5 Re8 33.Ra5 Na5 34.e4 Nc6 35.Qg3? Ne5 36.Rd5 Qa4 37.Re5-/+ Qa1 38.Kh2 Re5 39.d7 Qd4 40.d8Q Qd8 41.Qe5 ½–½. De Visser,Arno – Carrion Lara, 1985.

6.Nc3 Be5 7.Ne5 0-0 8.d4 Re8 9.Rb1 Nbd7 10.Nd7 Qd7 =.

6.c4 Be5 7.Ne5 d4 8.Qa4 Nfd7 9.Nf3 Nc6 10.Qa3 Nde5 =.

6.Bd3 Be5 7.Ne5 0-0 8.Be2 c5 9.0-0 Re8 10.d4 cd4 =+.

6.d4 0-0 7.Nbd2 c5 8.Bd6 Qd6 9.c4 (9.dc5!? Qc5 10.Bd3=+) 9...cd4-/+ 10.Nd4 Nc6 11.Nb5 (11.Nc6 bc6 12.cd5 Nd5-/+) 11...Qe7-/+ 12.cd5 Nd5 13.Bc4 Be6 (13...Rd8 14.Rc1-/+) 14.0-0 a6 15.Bd5 Bd5 16.Nc3 Be6 17.Qf3 (17.Qe2 Rac8-/+) 17...Rfd8 18.Nde4 (18.Rfd1 Ne5 19.Qe4 Nd3=+) 18...Rd3 (18...f5!? 19.Ng3 Ne5-+) 19.Rac1 Rad8 20.h3 h6 21.Qh5 (21.Qf4 f6-/+) 21...Bd5 (21...Ba2 22.Qc5 R3d7 23.f3-/+) 22.Ng3=+ Rd2 (22...Qf6 23.Nge4 Be4 24.Ne4=+) 23.a4 (23.Nf5 Qf6 24.Nd5 R8d5=+) 23...Ne5 (23...Bc4 24.Rfd1=+) 24.Nf5= Qf6 25.Nd4 (25.Nd5!? R8d5 26.e4=) 25...Kh7=+ 26.Nd5 Rd5 27.f4 Qg6 (better 27...g6!? 28.fe5 Qf1 (28...gh5?? 29.Rf6 Rd7 30.Rc8 R2d4 31.ed4+-) 29.Rf1 gh5 30.Rf7 Kg8=+) 28.Qg6+= Ng6 (28...Kg6?? 29.fe5 Rd7 30.e6 fe6 31.Ne6+-) 29.Rc7 Nh4 30.Rf2 Rd1 31.Kh2 Re1 32.Nc2 Rb1 (32...Red1 33.Rf7 R5d2 34.Rd2 Rd2 35.Kg3 Rg2 36.Kh4 Rc2 37.Rb7+=) 33.g3 (33.e4 Rd3 34.f5 Kg8+/-) 33...Ng6? (better 33...Nf3! 34.Kg2 Nd2=) 34.Rf7+/- Rc5 (34...Rdd1!?+/-) 35.Nd4+- Kg8 36.Ne6 (better 36.Rg7! Kg7 37.Ne6 Kg8 38.Nc5+-) 36...Kf7+/- 37.Nc5 Ne7 (37...b5 38.Kg2+/-) 38.e4 (38.Kg2 b5+/-) 38...Nc6 (38...Rb4!?+/-) 39.Rd2 Na5? (39...Ne7!?+/-) 40.e5 (40.Rd7 Kf8+-) 40...Nc4 (better 40...Rc1 41.Rd5 Rc2 42.Kg1 Rc1 43.Kf2 Rc2 44.Kf3 Rc3 45.Ke2 Nc6+-) 41.Rd7 Ke8 42.Rb7 Re1 (42...Rb7 43.Nb7 a5 44.Nc5+-) 43.g4 (43.Rg7 Re2 44.Kg1 Nd2+-) 43...Nd2 (43...g5 44.f5 (44.Na6?! gf4 45.e6 Re2 46.Kg1 f3+-) 44...Re5 45.Na6+-) 44.Kg3 (44.Rg7 Re2 45.Kg3 Re3 46.Kf2 Rh3+-) 44...Rf1 (44...Ne4 45.Ne4 Re3 46.Kh4 Re4 47.f5+-) 45.Kh4 (better 45.f5 Rf3 46.Kg2 Re3+-) 45...Rh1 (45...Rf4 46.Ne6 Re4 47.Ng7 Kd8+-) 46.Kh5 (46.Rg7 Rf1 47.Na6 Kf8+-) 46...Rh3 47.Kg6 (47.Kg6 Rc3 48.Rb8 Ke7 49.f5 Rc5 50.f6 gf6 51.ef6 Ke6 52.f7 Rg5 53.Kh6 Kf7 54.Kg5+-) 1-0. Seifert,Henryk (2250) - Blasiak,Miroslaw (1980), 3rd MITSz Pszczyna Poland, 2007.

6.d4 Be5 7.Ne5 0-0 8.Bd3 c5 9.dc5 Qa5 10.Nd2 Qc5 =.

6.d4 Be5 7.Ne5 Nbd7 8.c4 0-0 9.Nd7 (9...Qd7 10.cd5=) =. Woelfelschneider,Peter – Puglisi,Rosario, T4–09, 2002.

6.Be2 c5 7.Nc3 Be6 8.Bd6 Qd6 9.Qb1 Qe7 10.0-0 0-0= 11.d4 cd4 12.Nd4 Rc8 13.Qb2 Nc6 14.Ndb5 a6-/+ 15.Nd4 Nd4 16.ed4 Qc7 17.Na4 Qc2 18.Qc2 Rc2 19.Bf3 Nd7 20.Rfc1-/+ Rac8 21.Nc5 Rc1 22.Rc1 b6 23.Nb3 Rc1 24.Nc1 Nb8 25.Ne2 Nc6 26.Kf1 Nb4 27.Nc3 Kf8 28.Ke2 Ke7 29.Kd2 Kd6 30.g4 f6 31.Be2 Bc8 32.Bd1 Nc6 33.Kd3 b5 34.f3 Na5 35.a4 b4 36.Ne2 Bd7 37.Nc1 Nc4 38.Ke2 Nb2 39.Nd3 Nd1 40.Kd1 Ba4 41.Kc1 a5 42.Nc5 Bc6 43.h4 a4 44.Nd3 b3 45.Kb2 Bb5 46.Nf4 Be8 47.Ng2 Bb5 48.f4?? g6-+ 49.g5 fg5 50.fg5 Be2 51.Ne3 Kc6 52.Ka3 Bf3 (52...Bf3 53.Kb2 Be4-+) 0–1. De Visser,Arnold – Thierry,Rein DJ, corr NL ch, 1989.

6.Be2 c5 7.c4 Be5 (7...Be6 8.Bd6 Qd6 9.cd5 Nd5 10.d4=) 8.Ne5= d4 9.Qa4 Bd7 10.Nd7 Qd7 11.Qd7 (11.Qb5 Qb5 12.cb5 Nbd7=) 11...Kd7=+ 12.ed4 cd4 13.Na3 Re8 14.Kd1 Ne4 15.Rf1 Nc6 16.Rb1 Rab8 17.Rb5 Kc7 (17...a6 18.Rf5 Re7 19.Bf3=+) 18.f3 a6 (better 18...Nf6=+) 19.fe4+/- ab5 20.Nb5 (20.Rf7!? Kb6 21.cb5+=) 20...Kb6= 21.Rf7 Re7?? (better 21...Re4 22.Rg7 Rbe8=) 22.Re7+- Ne7 23.Nd4 Ra8 24.Ne6 g6 (24...Ra2 25.d4+-) 25.c5 Kc6 26.Bc4 Ra4 27.d3 b5 (27...b6 28.cb6 Kb6 29.Bb3+-) 28.cb6! Kb6 29.Kc2 Ra5 (29...Nc6 30.Kc3+-) 30.d4 Rh5 31.h3 Rh4 (31...Nc6 32.Kc3+-) 32.Kd3 Nc6 33.a3 (33.Ke3 Nb4+-) 33...Rh5 34.Nf8 (better 34.a4+-) 34...Ra5 35.e5 (better 35.a4!? Ra4 36.Ne6+/-) 35...Ra3+= 36.Ke4 Ra4 37.Kd5 Ne7 38.Ke6 Rc4 (better 38...Nc6!? 39.Bd5 Nd4 40.Kf6 Kc5+/-) 39.Ke7+- Rd4 40.Nh7 Kc7? (40...Kc6 41.Nf6 Rd2+-) 41.e6 Rd2 42.g4 Rd3 43.h4 Rd4 (43...Rb3 44.Nf8 g5 45.hg5+-) 44.Nf6 Rf4 (44...Ra4+-) 45.Nd5 (45.Nd5 Kc6 46.Nf4+-) 1-0. foytik (2260) - wade93 (2365), Rated Classical game, lichess.org, 2016.

6.Be2 Be6 7.0-0 0-0 8.Nc3 Nc6 9.Bd6 Qd6 10.Nb5 Qd7 11.Rb1 b6 12.Nbd4 Nd4 13.Nd4 c5 14.Nf3 Rfd8 15.d3 Qd6 16.Qd2 Rac8 17.a4 Bd7 18.Ra1 h6 19.Nh4 Re8 20.f4? Qe7-+ 21.Rf3 Ng4 22.Qe1 Ne3 23.Bd1 Qf6 (23...Qf6 24.Re3 Re3 25.Qe3 Qa1-+ (25...Qh4?! 26.Bf3-+); < 23...Nd1 24.Qe7 Re7 25.Rd1-+) 0–1. Soderstroem,Peter – Fournier,Frederic, corr ICCF WT–I–1328, 1993.

6.Be2 Bg4 7.Bd6 Qd6 8.Nc3 =.

6.Bb2 c5

7.Bb5 Bd7 8.Bd7 Nbd7 =+ (< 8...Qd7 9.Bf6 gf6 10.Nc3+=).

7.c4 Be6 8.Be2 Nc6 9.cd5 Nd5 10.Nc3 a6 11.0-0 0-0 12.a4 Nc3=+ 13.Bc3 c4 14.Qb1 Qd7 15.Ng5+= g6 16.Qe4+/– Bd5 17.Nh7! Bh2 18.Kh1 Be5 19.Be5 Qe6 20.Qd5 (20.Qd5 Qd5 21.Nf6 Kg7 22.Nd5 Ne5 23.Nb6+-; 20.Nf8?! Rf8 (20...Be4?? 21.Ne6 Ne5 22.Nc5+-) 21.Qh4 Ne5+-) 1–0. Franke,Roland – Sammtleben,Hilmar Kurt, corr, 1992.

7.Bf6 gf6 8.Nc3 +=.

7.Bf6 Qf6 8.Nc3 Qe6 =.

7.c4 0-0=+

8.Nc3 dc4 9.Bc4 Nc6=+.

8.cd5 Nd5 9.Qb3 Nb6=+.

8.cd5 Nd5 9.Bc4 Be6 (9...Nb6 10.Be2=+) 10.Bb3 (10.Qb3!? Qb6 11.Ng5 Qb3 12.ab3=) 10...Nc6 11.0-0 Qe7 12.d4 cd4 (12...c4 13.Ba4 Bg4 14.h3=+) 13.Nd4= Nd4 14.Qd4 Nf6 15.Be6 Qe6 16.Nc3 Rfd8 17.Qh4 Be7 18.Qf4 Qd6 (18...Rd2!? 19.Rab1 Bd6=+) 19.Qd6= Bd6 20.Nb5 Be7 21.Rfd1 a6 22.Rd8 Rd8 23.Nd4 Ne4 24.Nf5 Bf6 25.Bf6 Nf6 26.Nd4 ½-½. Novikov,Konstantin Ivan (2215) - Andrianov,Vyacheslav, Tula Sinitsin mem, 2007.

8.cd5 Nd5 9.Be2 Nc6 10.0-0 Be6 11.Nc3 Nc3 12.Bc3 Re8 (12...Qe7 13.Qc2=+) 13.Qb1 Bd5 (13...Qe7 14.Bd3 g6 15.Be2=+) 14.Qb2 (< 14.Qb7 Nd4 15.Qa6 Nf3 (15...Ne2?! 16.Qe2 Qc7 17.h3=) 16.Bf3 Bf3 17.gf3 Bh2 18.Kh2 Qh4 19.Kg2 Qg5 20.Kh2 Re6 21.Qe6 fe6-+) 14...Bf8 15.Rfd1 Qe7 16.d4 cd4 17.Nd4 Be4 18.Bd3 Rac8 19.Nf5 Qg5 20.Be4 Re4 21.Ng3 Re7 22.e4 Rec7 23.Rd5 Qg6 24.Rad1+= b6 25.h3 h6 26.R5d2+= Re8 27.Qb1 Rcc8 28.Nf5 Ne5 29.Be5 Re5 30.Rd7 a6 31.Qd3 b5 32.f3 Rec5 33.Rd8 Qf6 34.Rc8 Rc8 35.Qd2 Rc3 36.Kh1 b4 37.Nd4 Bc5 38.Ne2 Ra3 39.Nf4= Qg5 40.Nd5 Qd2 41.Rd2 a5 42.Rc2 Bd6 43.Kg1 Kh7 44.Kf1 a4 45.Rc6 b3 46.ab3 ab3 47.Rd6 b2 48.Rb6 Ra1 49.Kf2 b1Q 50.Rb1 Rb1 51.g4 g5 52.Kg3 Rb3 53.Ne7 Re3 54.Nf5 Rd3 55.h4 Ra3 56.h5 Ra6 57.Kf2= Kg8 58.Ke3 Kf8 59.Ke2 Ke8 60.Kf2 Kd7 61.Ke2 Rb6 ½–½. Mehlhorn,U – Giering,G, H–2077–D, 2000.

8.cd5 Nd5 9.Be2 Nc6 10.0-0 Bf5 11.d4 Qb6 12.Qb3 Qb3 13.ab3 cd4 14.Nd4= Nd4 15.Bd4 a6 16.Bf3 Be6 17.Nd2 Bb4 18.Ne4 Rad8 19.Rfc1 Rfe8 20.Bc5 Bc5 21.Rc5 f6 22.h3 Bf7 23.b4 Be6 24.b5 b6 25.Rc6 ab5 26.Ra7 (26.Ra7 Bd7 27.Rd6=). Hebels – Vaassen, corr Netherlands, 1991.

8.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 Bd6 7.Bb2 c5 8.c4).

7.Be2 0-0

8.0-0 Bf5 9.c4 dc4 10.Na3 =.

8.0-0 Bf5 9.c4 Nc6 10.d4 Qb6 11.Ba3 Nb4 12.dc5 Bc5 13.Nd4 Bd4 14.Qd4 Qd4 15.ed4 Nc2 16.Bf8 Kf8 17.Nd2 Na1 18.Ra1 dc4 19.Nc4 Rd8 20.Rd1 Be4 21.Rd2 Ke7 22.Ne3 Rc8 23.f3 Rc1 24.Kf2 Bd5 25.Bd3 Ra1 26.Rb2 Bc6 27.Re2 Kf8= 28.Bc4 b5 29.d5 Bd7 30.Bd3 a5 31.Rb2+= b4 32.Bb1 Ba4 33.d6 g6 34.Nc4 Nd5+= 35.Na5 Nc3= 36.Bc2 Bc2 37.Rc2 Ra2 38.Ra2 Na2 39.Ke3 Ke8 40.Kd4 Kd7 41.Kd5 Nc3 42.Kc5 Ne2 43.Nb3 Nf4 44.g3 Ne6 45.Kd5 Nd8? 46.Nc5+/– Kc8 47.Kc4 Nc6 48.f4 h5 49.Kb5+- Nd4 50.Kb4 h4 51.gh4 Nf5 52.Ne4 Nh4 53.Kc5 Ng2?? 54.Kc6 Nf4 55.Ng5 Ne6 56.Nf7 Nd4 57.Kd5 Nf5 58.h4 Kd7 59.Ne5 (59.Ne5 Ke8 60.Ng6+-) 1–0. Gerold – Gaoni, corr Germany–Italy, 1999.

8.0-0 Bf5 9.c4 Nc6 10.d4 Rc8 11.Nbd2 =.

8.0-0 Bf5 9.c4 Nc6 10.d4 cd4 11.cd5= Nd5 12.Nd4 Be6 13.Ne6 fe6 14.Nc3 Be5 15.Qd2? Nc3-+ 16.Bc3 Qd2 17.Bd2 Ba1 18.Ra1 Rfd8 19.Bc3 Rac8 20.h3 Ne7 21.Bd4 Nc6?? 22.Bc3 Ne7?? 23.Bd4 b6 24.f4 Nf5 25.Be5 Ne3 26.Kf2 Nf5 27.g4 Nd4 28.Bf1 Rc2 29.Kg3 Nc6 30.Re1 Ra2 (30...Ra2 31.Bc4 Ra3 32.Kh4 Nd4 33.Bd4 Rd4 34.Be6 Kf8-+) 0–1. doremi – suvadd (1890), internet, 2007.

8.0-0 Nc6

9.d3 Re8 10.Nbd2 b6 11.Re1 Bb7 12.Bf1 h6 13.g3 Re6 14.Bg2 Be7 15.c3 Qc7 16.Qc2 Re8 17.Rac1 Nd7 18.d4 Nf6 19.Qb3 c4=+ 20.Qc2 Na5 21.Rb1 b5 22.Rec1 b4 23.cb4= Bb4 24.Bc3 Bc3 25.Qc3 Nc6 26.Rb2 Rb8 27.Rbc2 Bc8 28.Ne1 Re8 29.e4 Nb4 30.Rb2+/– Qe7 31.a3 Na6 32.Rb8+- Nb8 33.e5 Ne4 34.Ne4 de4 35.Be4 Ba6 36.Nf3 ½–½. Vaast,Jean Philippe (1640) – Besnus,Emmanuel (1835), Sainte Marie op, 2005.

9.d3 Re8 10.Nbd2 Bg4 11.h3 Bh5 12.Rb1 b6 13.Re1 h6 14.Nf1 Qe7 15.Qd2 Rad8 16.Bd1 Ne5 17.N1h2 Nf3 18.Nf3 Qe6 19.a4 Bc7 20.Qc3 Re7 21.Be2 Qd6 22.g4 Bg6 23.Bf1 Qc6 24.Qb3 Qd6 25.Bg2 Ne8 26.Rbd1 f6 27.Nh4 Bf7 28.f4 g6 29.Qa3 Kh7 30.Nf3 Ng7 31.Qa1 Ne8 32.d4 Qe6 33.dc5 bc5 34.Qa3 Ba5 35.Bc3 Bc3 36.Qc3 Qb6 37.Rb1 Qc7 38.Rb5 Rc8 39.Reb1 Nd6=+ 40.R5b2 Ne4 41.Qe1 Qc6 42.Bf1 Rd8 43.Bd3 d4 44.ed4+= cd4 45.Rb8 Rb8 46.Rb8 Bd5 47.Qb4 Nc5 48.Nd4 Qd6?? 49.Bg6+- Kg6 50.Nf5 Qe6 51.Rb5 (51.Rb5 Rb7 52.Qc5 Qe1 53.Kh2+-; 51.Qc5?? Qe1 52.Kh2 Re2 53.Qf2 Qf2#) 1–0. Valenta,Vit – Hlavac,Rudolf, Tatranske Zruby, 2002.

9.d3 Re8 10.Nbd2 h6 11.c4= dc4 (11...Be6 12.cd5 Nd5 13.Ne4=) 12.Nc4 Bc7 13.d4 cd4 14.Nd4 Nd4 15.Qd4 Qd4 (15...Bg4 16.Bg4 Qd4 17.Bd4 Ng4 18.h3+=) 16.Bd4 (16.ed4?? Re2 17.Rfc1 Be6-+) 16...Be6 17.Bf6 Bc4 (17...gf6!? 18.Rab1 b6=) 18.Bc4+/- gf6 19.Rac1 Rac8 20.Rc2 (20.Bd5 Re7+/-) 20...Be5 21.Rfc1 Kg7 22.Bd3 (22.a4 a6+=) 22...Rc2 23.Rc2 (23.Bc2? Rc8-+) 23...Rd8 24.Be2 Rd7 25.f3 Rc7 (25...f5 26.f4 Bf6 27.Kf2+=) 26.Rc7+/- Bc7 27.g3 1-0. NoLuckOnlySkill (2120) - sbbhqk (2155), Rated Blitz game, lichess.org, 2016.

9.Na3 Re8

10.c4 d4

11.Qb1 Bg4=+ (11...Qe7 12.Re1 (12.Nb5 Bb8 13.Re1 a6 14.Na3 de3 15.Bd3 ef2 16.Kf2=+ -0.66) 12...de3 13.de3 Ne4 14.Nb5 Bf5 15.Nd6 Nd6 16.Qd1=+ -0.28) 12.h3 (12.Nb5 Ne4 (12...Be5 13.Re1 Bf3 14.Bf3 d3 15.Bc6 bc6 16.Be5=+ -0.50) 13.Qe1 Nb4 14.Qc1 d3 15.Bd1 Bb8 16.a3-/+ -0.94; 12.Re1 de3 13.fe3 Ne4 14.d3 Bf3 15.Bf3 Bh2 16.Kh1-+ -3.16) 12...Bh5 13.Nc2 (13.Nb5 Ne4 14.Qd1 d3 15.Bd3 Bf3 16.Qf3 Nd2=) 13...Bc7 (13...Ne5 14.ed4 Nf3 15.Bf3 Bf3 16.gf3-+) 14.d3=+ Qd6 15.Re1 Bf3 16.Bf3 Qh2 17.Kf1 Ne5 18.Ke2 (18.Nd4 cd4 19.Bb7 Rad8-+) 18...Nf3-+ 19.Kf3 Nh5 20.Nd4 (20.Rh1 Qd6 21.Ke2 Nf4 22.Kf1 Nd3 23.Nd4 Nb2-+ (23...cd4?! 24.Qd3 de3 25.Qd6 e2 26.Ke1 Bd6 27.Bc1-+)) 20...cd4 21.Bd4 Nf4 22.Rg1 Ng2 23.Rg2 Qh3 24.Rg3 Bg3 25.fg3 Qh5 26.Kf2 Rad8 27.Qb7 Qf5 28.Kg1 Qd3 29.Rf1 (29.Qa7 Qc4 30.a4 Ra8-+) 29...Qc4 30.Qa7 Ra8 31.Qd7 Reb8 (31...Qa2?! 32.Qg4 f6 33.Rf6 Qb1 34.Rf1-+) 32.Be5 Rb5 (32...Rb5 33.Bd4 Rg5-+; 32...Rd8 33.Qe7 f6 34.Bf4-+) 0-1. Cetwinski,Olgierd (2210) - Wojtkowiak,Ryszard (2225), corr POL-ch42, 1999.

11.Qb3 a6 A) 12.Rae1 Rb8 (12...b6 13.h3 de3 14.de3 Ne4 15.Rd1 Bf5 16.Rd5=+ -0.47; 12...Be6 13.Ng5 Qc7 14.f4 Bf5 15.Bd3 Bd3 16.Qd3= -0.25; 12...Bf5 13.ed4 Nd4 14.Nd4 cd4 15.d3 b5 16.Bf3=+ -0.47) 13.ed4 cd4 14.Nc2 Bc5 15.Qd3 Re4 16.Ng5=+ -0.59; B) 12.Rad1 Be6 (12...Rb8 13.Rfe1 Bf5 14.Ba1 Na5 15.Qb2 d3 16.Bf1-/+ -0.94; 12...Qc7 13.Rfe1 Bf5 14.ed4 cd4 15.Bd4 Nd4 16.Nd4=+ -0.44; 12...Qe7 13.Rde1 de3 14.fe3 Rb8 15.Nc2 b6 16.a3= -0.25; 12...b6 13.Rde1 Bf5 14.Nh4 Bg4 15.Nf3 Ne4 16.d3=+ -0.44; 12...Bf5 13.Bd3 Bg4 14.Be2 Qc7 15.h3 Bf5 16.Bd3=+ -0.41) 13.Rfe1 Rb8 14.Ng5 Bf5 15.Bf3 Ng4 16.Bg4-/+ -1.25; C) 12.Rfe1 de3 (12...Be6 13.Rab1 b5 14.ed4 Nd4 15.Bd4 cd4 16.Nc2=+ -0.34; 12...Ne4 13.Bd3 Bf5 14.ed4 cd4 15.Qb7 Rc8 16.Be4=+ -0.41; 12...b6 13.ed4 cd4 14.Nc2 Bc5 15.Qd3 Re4 16.a3=+ -0.37; 12...Bf5 13.ed4 cd4 14.Bd3 Be6 15.h3 Qd7 16.Rab1=+ -0.31; 12...Rb8 13.ed4 Nd4 14.Nd4 cd4 15.Nc2 b5 16.Bd4= -0.19; 12...Qc7 13.ed4 Nd4 14.Bd4 cd4 15.Nc2 Bg4 16.Ncd4= 0.16) 13.de3 Ne4 14.Red1 Qc7 15.Rab1 b6 16.Ba1=+.

11.Qb3 Nb4 12.Rae1 d3 (12...a5 13.ed4 a4 14.Qd1 Na2 15.dc5 Bc5 16.Qa1+= 0.47; 12...de3 13.de3 Qe7 14.Nb5 Bb8 15.a3 Nc6 16.Nc3= 0.06) 13.Bf6 gf6 14.Bd1 Be6 15.Nb5 Be5 16.Nbd4= -0.09.

11.Qb3 b6 A) 12.Nb5 Be7 (12...Bb8 13.Rfe1 a6 14.Na3 Bb7 15.ed4 cd4 16.c5= -0.25; 12...Bf8 13.Rae1 a6 14.Na3 Bf5 15.Nh4 Be6 16.Nf3=+ -0.31) 13.Rae1 a6 14.Na3 Bf5 15.d3 Bd6 16.Nd2=+ -0.50; B) 12.Rae1 a6 (12...Bf5 13.ed4 cd4 14.Bd3 Ne4 15.Nb5 Bh2 16.Kh2= 0.03) 13.Kh1 Bb7 14.ed4 cd4 15.Nd4 Nd4 16.Bd4-+ -1.41; C) 12.Rfe1 a6 (12...Bf5 13.ed4 cd4 14.Bd3 Be6 15.Nb5 Bc5 16.Ng5=+ -0.31; 12...Ne4 13.Nb5 de3 14.de3 Bb8 15.Rad1 Qe7 16.Nc3= 0.09; 12...de3 13.de3 a6 14.Red1 Bf5 15.Qa4 Nb4 16.Nh4=+ -0.47; 12...Na5 13.Qd3 de3 14.de3 Qe7 15.Nb5 Rd8 16.Qc2= 0.09; 12...Be7 13.ed4 cd4 14.Nc2 Bc5 15.Qd3 Re4 16.Qb3=+ -0.37) 13.ed4 cd4 14.Nc2 Bc5 15.Qd3 Re4 16.Qb3=+.

11.Qb3 Rb8 12.Nb5 Be7 13.Rfe1 a6 14.Na3 Bf5 15.Bd3 Na5 16.Qc2=.

11.Qb3 Ne4 A) 12.Nb5 Bg4 (12...Bb8 13.Rfe1 a6 14.Na3 Qc7 15.Rad1 Bf5 16.g3=+ -0.47; 12...Bf8 13.Rfe1 a6 14.Na3 de3 15.de3 Bd6 16.Red1=+ -0.28) 13.Nd6 Qd6 14.Rfd1 Rad8 15.d3 Nf6 16.e4=+ -0.53; B) 12.Rad1 Na5 (12...a5 13.Nb5 a4 14.Qa3 Be7 15.Bd3 Nf6 16.h3= -0.25) 13.Qc2 Ng5 14.Nb5 Nf3 15.Bf3 Be5 16.Rb1=+ -0.37; C) 12.Rfe1 Na5 13.Qc2 de3 14.de3 a6 15.Red1 Nc6 16.Nb1= -0.25.

11.Qb3 Re7 A) 12.Rae1 Ne4 (12...a6 13.ed4 Nd4 14.Nd4 cd4 15.Bf3 Ng4 16.Re7= -0.06; 12...Be6 13.Nb5 de3 14.de3 Ne8 15.Rd1 Rd7 16.Bd3+= 0.31; 12...Qe8 13.Bd1 a6 14.ed4 Nd4 15.Bd4 cd4 16.Re7+= 0.38; 12...Bf5 13.ed4 cd4 14.Nb5 Bc5 15.Bd3 Be6 16.Ng5= -0.25; 12...a5 13.Nb5 a4 14.Qa3 de3 15.fe3 Ng4 16.Qd3+= 0.41; 12...Ng4 13.Nb5 a6 14.Nd6 Qd6 15.h3 Nge5 16.Ne5+= 0.34) 13.d3 Nf6 14.Nc2 Na5 15.Qa3 Qc7 16.Bc1=+ -0.37; B) 12.Rfe1 Na5 (12...de3 13.de3 Rd7 14.Nb5 Be7 15.Rad1 Ne4 16.Qc2+= 0.38; 12...a6 13.ed4 cd4 14.Nc2 Re2 15.Re2 d3 16.Bf6= 0.00; 12...Bf5 13.Nb5 Nb4 14.Rac1 d3 15.Bf6 gf6 16.Nd6= 0.16; 12...Qe8 13.Nb5 Bb8 14.Rab1 Ne5 15.Ne5 Be5 16.ed4+= 0.63; 12...Ng4 13.Nb5 Be5 14.ed4 cd4 15.Ne5 Nge5 16.f4= 0.22) 13.Qc2 Bg4 14.h3 Bf3 15.Bf3 d3 16.Qc1=+ -0.31; C) 12.Nb5 Bb8 (12...Bf5 13.Rfe1 Nb4 14.Rac1 d3 15.Bf6 gf6 16.Bd1= 0.06; 12...a6 13.Nd6 Qd6 14.Rae1 de3 15.de3 Ne4 16.Rd1= 0.16) 13.Rfe1 a6 14.Na3 Bg4 15.h3 Be6 16.Rab1= -0.19.

11.Qb3 Bg4 A) 12.Qb7 Na5 13.Qb5 Bd7 14.Qa6 Re6 15.Kh1 Be7 16.Qe6-+ -3.47; B) 12.Rae1 Qd7 (12...de3 13.de3 Qe7 14.Nb5 Bb8 15.Nc3 b6 16.h3= -0.06; 12...Na5 13.Qd3 de3 14.fe3 Bf3 15.Rf3 Be5 16.Qc2=+ -0.28) 13.Nb5 Ne4 14.Nd6 Qd6 15.Rd1 Ng5 16.ed4-/+ -0.81; C) 12.Nb5 Ne4 (12...Bb8 13.Rfe1 a6 14.Na3 Qc7 15.h3 Bf3 16.Bf3=+ -0.47) 13.Nd6 Qd6 14.Rfd1 Rad8 15.d3 Nf6 16.e4=+ -0.53.

11.Nb5 a6 12.Nd6 Qd6 13.ed4 (13.Qb1 Bg4 14.Re1 Rad8 15.ed4 Bf3 16.Bf3=+) 13...cd4=+ 14.Re1 Bg4 15.Qb3 Ne4 16.Ba3=+.

8.0-0 Bf5 9.c4 Nc6 10.cd5 Nd5

11.Nc3 Ndb4 12.d4 cd4 13.ed4 Nc2 14.d5 Na1 15.dc6 Nc2 16.cb7 Rb8 17.Qd5 Bg6 18.Rd1= Ba3? 19.Qd8 Rfd8+- 20.Rd8 Rd8 21.Ba3 Na3 22.Ne5 (22.Ne5 Rb8 23.Ba6+- (23.Ng6?! hg6 24.Ba6 Kf8=)) 1–0. Matokhin – Smirnov,Valery, USSR, 1967.

11.Nc3 Nc3 12.Bc3 Qc7 13.Qa4 a6 14.h3 Rfe8 15.d3 Be7 16.Qc2 Rad8 17.Qb2 f6 18.e4 Bc8 19.e5 fe5-/+ 20.Ne5 Ne5 21.Be5 Bd6 22.Bd6 Qd6 23.a4 b6 24.Rfd1 Qg6 25.Kh2 Bb7 26.f3 Re3 27.Ra3 Rde8 28.Rd2 Qe6 29.Bd1? Qd6 30.Kg1 Qg3 31.Bb3 Kf8 (31...Kf8 32.Qg7 Kg7 33.Rf2 Re1 34.Rf1 Rf1 35.Kf1 Re1#) 0–1. Glorioso,Attilio – Macchiavello,Victor, corr ITA–chT1, 1984.

11.Nc3 Nc3 12.Bc3 Qc7 13.Rc1 Rad8 14.Qa4 Qe7 15.d4 cd4 16.Nd4 Be4 17.Nc6 Bc6 18.Qg4 f5 19.Bc4 Kh8 20.Qh5 Be5 21.Rfd1 Rd1 22.Qd1 Rd8 23.Qe2 Bc3=+ 24.Rc3 Rd6 25.f3 b5 26.Bb3 Qd8 27.Rc1 a5 28.Qb2 a4=+ 29.Bc2 Rd2 30.Qc3? Bf3!-+ 31.Bf5 Rg2 32.Kf1 Rg1 33.Kf2-/+ Rc1 34.Qc1 Bh5 35.Qc5 Qb8 36.Kg2=+ Bf7 37.e4? b4 38.e5? b3?? 39.ab3=+ Qa8 40.Kg3 a3-/+ 41.e6? Bg8?? 42.e7 a2 43.Qe5 Bf7-/+ (43...Bf7 44.Qa1 Qb8 45.Kg2 Qb7 46.Kg3 Qe7 47.Qa2 Qe3 48.Kg2 Qg5 49.Kf2 Qf5 50.Ke3 g5-+) 0–1. Bungo,G – Leszczynski,Z, corr ICCF cp, 1994.

11.Nc3 Nc3 12.Bc3 Re8 13.Qb3 Qc7 14.Qb2 f6 15.Rfd1 Be6 16.Rab1 b6 17.Qc2 Qf7=+ 18.Bd3 Qh5 19.Be4 Rac8 20.Qa4 ½–½. Plock,Joerg – Benassi,Aspasio, Amichevole, 1999.

11.d4 Rc8 12.dc5= Bc5 13.Nbd2 Be3 14.fe3+= Ne3 15.Qb3 Nf1 16.Bf1 Re8 17.Bc4 Qb6= 18.Qb6 ab6 19.a4 Red8 20.Bb5 Na7 21.Bd4 Nb5 22.ab5 Rd5 23.Ra7 Rb5 24.Rb7 f6 ½–½. Benassi,Aspasio – Plock,Joerg, Amichevole, 1999.

6.c4 Nc6

7.Bd6 cd6 8.d4 0-0 9.cd5 Nd5 10.Nbd2 Be6 11.Qb1 Rb8 =.

7.Bd6 Qd6 8.Nc3 0-0 9.Rb1 Na5 10.cd5+= Nd5 11.Nd5 Qd5 12.a4 b6 13.Be2 Bb7 14.0-0 c5 15.Qc2 Rac8 16.Rfd1 h6 17.Ne1 Qe6 18.Bf3 Ba6 19.Be4 f5=+ 20.Bd3 Bb7 21.Be2 Bd5 22.Rb2 Kh8 23.Rdb1 f4 24.Ba6 Rcd8 25.Qc3 f3 26.g3 Qg4 27.Bf1 Nb7 28.d4 cd4 29.ed4 ½–½. Cottarelli,Franco – Polakovic,Pavol, corr ICCF EU/M/GT/375, 1993.

7.Bd6 Qd6 8.Nc3 Be6 9.Rb1 Rb8 10.cd5 Nd5 11.Bb5 Nc3 =.

7.Bd6 Qd6 8.Nc3 Be6 9.Nb5 Qe7 10.cd5 Nd5 11.Nfd4 Nd4 12.Nd4 0-0 13.Ne6 Qe6 14.Qb3 Nb6 15.Qe6+= fe6 16.d4 c6 17.Be2 Rae8 18.f4 Nd5 19.Kf2 e5 20.de5 ½–½. Gonzalez Solo – Flores Ramos, corr E, 1993.

7.Bd6 Qd6 8.d4 dc4 9.Bc4 0-0 10.Nc3 Bf5 11.0-0 a6 =.

6.Bd6 Qd6

7.Nc3 c6 8.d4 Bg4 9.Rb1 Qc7 (9...Ne4!? 10.Qd3 Bf3 11.gf3 Nc3 12.Qc3 b6=) 10.h3 (10.Bd3!?) 10...Bf3 11.gf3 (11.Qf3 Qa5 12.Rb3 Ne4 13.Qd1 Nc3 14.Qd2) 11...Nbd7 12.Bd3 0-0-0 (12...0-0 13.Ne2 Rfe8 14.Rg1 Nb6 15.Qd2 Qd7) 13.Ne2 (13.Rg1!?) 13...Rhe8 14.c3 (14.Rg1!) 14...Qa5 (14...Nb6!? 15.Qc2 g6 16.e4 Nh5 17.Qc1 f6) 15.Qc2 Nb6 16.Nc1 Qa4 (16...h5!) 17.Rg1 g6 18.Qa4 Na4 19.Kd2 Nb6 ½–½. Sternik,Ryszard – Welti,M, email b4–01–05 (Sternik), 2001.

7.Nc3 Ne4!

7.c4 0-0 8.d4 Be6 9.c5 Qe7 10.Qc2 b6 11.Nbd2 bc5 12.Qc5 Qc5 13.dc5 Ne4 14.Rc1 Nc6 15.Bb5 Nb4 16.a3 Na2 17.Rc2 Nac3 18.Nd4 Nb5 19.Nb5 Nd2 20.Kd2 Rab8 21.a4 c6 22.Nd4 Bd7 23.Kc3 a5 24.Rb2+/– Rb2 25.Kb2 f5 26.Rb1+/– f4 27.Kc3 fe3 28.fe3 Rf2 29.Rb2 Rb2 30.Kb2 Kf7 31.Nb3 Ke6 32.Na5 g6 33.Kc3 Ke5 34.Nb7 Ke4 35.Kd2 d4 36.ed4 Kd4+= 37.a5 Be6?? 38.a6+- Bc8 39.Kc2 g5 40.Kb3 Ke3 41.Ka4 (41.Ka4 Kf2 42.Ka5 Kg2 43.Kb6 Kh2 44.a7 Bb7 45.Kb7+-) 1–0. marekt – Aprendizdebrujo, ChessWorld.net, 2005.

7.c4 dc4 8.Bc4 0-0 9.0-0 Be6 10.Qb3 Bc4 11.Qc4 Nbd7 12.d4 Nb6 13.Qb3 c5 14.Qa3 Ne4 15.Nbd2 cd4 16.Qd6 Nd6 17.Nd4 Rac8 18.a4 Nbc4 19.N2b3 a5 20.g3 g6 21.Kg2 Kg7 22.h4 Ne4 23.Nb5 Ned2 24.Nd2 Nd2 25.Rfd1 Nb3 26.Ra3 Nc5 27.Nd4 Rfd8 28.Rb1 Rd7 29.Rb5 Ne4 30.Rab3 Rc2?? (30...b6 31.Rb6 Rc4 32.Ra3+/-) 31.Rb2 (better 31.Nc2 Rd2 32.Nd4 Rf2 33.Kh3+-) 31...Rb2= 32.Rb2 Nc3 33.Nb5 (better 33.Rb3 Rc7 34.Nb5 Nb5 35.Rb5=) 33...Na4-/+ 34.Ra2 Rd5 35.Nc7 Rc5?? (better 35...Nc3 36.Rb2 Rd7-+) 36.Ra4= Rc7 37.Ra5 h5 38.Rb5 Rd7 39.Rb6 Rc7 40.f4 Rd7 41.Kf3 Re7 42.e4 f6 43.g4 Rc7 44.gh5 gh5 45.e5 fe5 46.fe5 Rc3 (46...Rc4 47.Kg3=) 47.Ke4 (better 47.Kf4!? Rc6 48.Rb7 Kg6 49.Rb4+/-) 47...Rc4= 48.Kf5 Rh4 49.Rb7 Kf8 50.e6 Rh1 51.Rh7 Rf1 52.Kg5 Rh1 53.Kf6 Rf1 54.Ke5 Re1 55.Kd6 Rd1 56.Kc6 Rc1 57.Kd5 Rd1 58.Ke5 Re1 59.Kf5 Rf1 60.Kg5 Rh1 61.Rh5 Rh5 62.Kh5 Ke7 63.Kg5 Ke6 ½-½. Mr_Queenabber (2240) - enzner (2075), Rated Blitz game, lichess.org, 2016.

7.c4 Be6 8.cd5 (8.Qc2 Na6=) 8...Nd5=+ 9.d4 Qb4 (9...0-0 10.Bd3=) 10.Qd2 Bf5 11.a3 Qd2 (11...Qd6 12.Nc3=) 12.Nbd2+= 0-0 (12...Nb6 13.e4 Bg4 14.Ne5+/–) 13.Rc1 (13.e4!? Re8 14.Ne5+/–) 13...c6+= 14.h3 h6 15.Be2 Nf6 16.0-0 Nbd7+= 17.Rfd1 Rfd8 18.Nc4 Nb6 19.Nfe5 Rac8 20.f3 Nfd7? 21.Nd6+- Ne5 22.de5 Be6 23.Nc8 Rc8 24.Rd2 c5+/– 25.e4 g5 26.g3 Na4 27.f4 Bb3? 28.Rd3 Ba2 29.Rd7 Rb8 30.Bb5 Nb6 31.Rd2 Bb3 32.Rc5 a6 33.Be2 Na4 34.Rc7 gf4 35.gf4 b5 36.f5 a5 37.Rdd7 b4 38.ab4 ab4 39.e6 (39.e6 Nc3 40.ef7 Bf7 41.Bf3+-) 1–0. Poschmann,Hans (2270) – Cinca,Daniel, IECC, 2002.

7.d4 Bf5 8.Bd3 Bd3 9.Qd3 0-0 10.Nbd2 Na6 =.

7.d4 Bg4 8.Nbd2 0-0 9.c4 dc4 10.Bc4 (10...Nbd7 11.Qb3=) =. Woelfelschneider,Peter – Puglisi,Rosario, T16–02.92, 2002.

7.Be2 0-0 8.0-0 c5 9.d4 (9.Na3 Nc6=) 9...Nc6 (9...c4 10.Nc3=+) 10.dc5= Qc5 11.Nbd2 Bg4 12.Rb1 (12.Nb3 Qc3=) 12...Qe7 13.Re1 Rac8 14.c3 (14.h3 Bf5=+) 14...b6 (14...Ne4 15.Qb3=+) 15.Rc1 Ne4=+ 16.Nd4 Be2 17.Re2 Ne5 18.Ne4 de4-/+ 19.Qb3 Rc5 20.Rd2 Rfc8 21.Ne2 Nd3 22.Rf1 Kh8 23.h3 Qe8 24.Rfd1=+ f6 25.Ng3 f5 26.Ne2=+ Rc4 27.Qb1 R4c7 28.Qb3 Qe7 29.Qd5 Rc5 30.Qb3 g6 31.Qa3 Qd7 32.Qb3 Qc7 33.Qa3 Rc4 34.Qb3 Qe7 35.Qb5 R4c5 ½–½. Poschmann,Hans – Miraglia,Jorge, email 4AMM–F, 1998.

7.Be2 Nc6 8.0-0 d4 9.Bb5 Bd7 (9...de3!? 10.de3 Be6=) 10.Bc6+= Bc6 11.Nd4 0-0 12.Nc6 bc6 (12...Qc6 13.d3+/-) 13.d4 (13.d3 Rab8+/-) 13...Rad8 14.Nd2 c5 15.c3 cd4 16.cd4 c5 17.Nb3 cd4 18.Nd4 Ne4 19.Qg4 Qe5? (19...Rfe8 20.Rac1+/-) 20.Rab1?? (20.Nc6 f5 21.Qh3+- (21.Ne5?! fg4 22.Ng4 Rfe8+-)) 20...f5 21.Qh3 Rf6 (21...Nd2 22.Nc6 Qe4 23.Nd8 Nb1 24.Nc6+=) 22.Rb5 Qc7 23.Rf5 Rh6 24.Qg4?? (better 24.Rh5 Rh5 25.Qh5+-) 24…Qh2 0-1. BeepBeepImAJeep (2775) - DTRAN (1680), lichess.org, 2016.

7.Be2 Bg4 =.

5.e3 Nbd7

6.a3 Ba5 7.Bc3 Bc3 8.Nc3 0-0 9.d4 c5 10.Be2 (10.dc5 Nc5 11.Be2 Nce4 12.Ne4 de4 13.Qd8 Rd8 14.Nd4 a6=) 10...Re8 (10...c4 11.Qb1 (11.0-0 Re8 12.Re1 Qa5 13.Qd2 Qa6 14.Reb1 Qc6=; 11.Qc1 Re8 12.0-0 Qe7 13.Qb2 a6 14.Nd2 b5=; 11.Ra2 Re8 12.0-0 Qe7 13.a4 Nb8 14.a5 Nc6=; 11.h3 Re8 12.0-0 Qa5 13.Nb1 Ne4 14.Nfd2 Ndf6=+; 11.Ng5 Qa5 12.Qd2 Nb6 13.Nf3 Na4 14.Na4 Qa4=) 11...Re8 12.0-0 Nb6 13.a4 Qe7 14.a5 Nbd7=; 10...Qa5 11.Qd2 c4 12.0-0 Re8 13.Rfb1 Qa6 14.a4 Qe6=) 11.0-0 (11.dc5 Nc5 12.0-0 Nce4 13.Nb5 Bg4 14.h3 Bf3=) 11...b6 (11...c4 12.Qd2 (12.Qb1= a6 13.Qb4 Qc7 14.Nd2 b6=) 12...Qe7 13.a4 Qe6 14.Nb5 Qb6=) 12.Rb1 (12.Bb5 Bb7 13.Rb1 Qe7 14.Ne5 Ne5=) 12...a6 (12...c4 13.Nd2 Nf8 14.Bf3 Bf5=) 13.dc5 Nc5 14.Nd4 (14.Qd4 Be6=) 14...Bb7 (14...Qc7=) 15.Bd3 (15.Qc1 Rc8=) 15...Qc7 16.Nce2 Rad8 17.Nf4 Nfe4 18.Rb4 Bc8 19.Re1 h6 20.Qa1 b5 21.Be4 Ne4 22.a4 ba4 23.Ra4 g6 (23...Nc3 24.Rb4=) 24.Rb4 Qc3 25.Qc3 Nc3 26.Ra1 Rd7 27.Nd3 Rd6 28.Kf1 f5 29.Rb3 Ne4 30.Ke1 Kf7 31.Ra5 Nf6 32.Rc5 Nd7 33.Rc7 Kf6 34.Nf4 Rf8 35.Rc6 Rc6 36.Nc6 Nc5 37.Rb6 Nd7 38.Rb1 (38.Rb1 g5 39.Nd5 Ke6 40.Rd1+-; < 38.Nd5 Ke6-/+) 1–0. Veiper,Andres (2185) – Reede,Arvo (1990), corr EST–chA email 4th, 2002.

6.a3 Ne5 7.ab4 Bg4 8.Be2 Bf3 9.Bf3 Qe7 10.b5 Nf3 11.Qf3 0-0 12.0-0 c6 13.bc6 bc6 14.c4 dc4 15.Rc1 Nd7 16.Qe2 Ne5 17.Na3 Rfd8 18.Nc4 Nd3 19.Rc3 Qf6 20.Qf3 Qf3 21.gf3 f6 (21...a6 22.Kf1+=) 22.Kf1+= a6 (22...Nb4 23.Rb3 Nd3 24.Ke2+=) 23.Na5+/- Nb4 24.d4 The isolani on c6 becomes a target 24...Rdc8 25.Rc4 Rab8 26.Ra4 Nd5 27.Nc6 Rb6 28.Na5 Rb1 29.Kg2 Ra8 30.f4 Rb2 31.Ra3 Rb5 32.f5 Kf7 33.e4 Ne7 34.d5 Rc8 35.Rca4 Nd5 36.Nc4 Rc6 37.ed5 Rd5 38.Ne3 Rdd6 39.Rh4 h6 40.Rb4 Rc7 41.Rb8 Ra7 42.Ra5 Rd4 (42...Rc6 43.Nd5 g5 44.fg6 Kg6 45.f4+-) 43.Rb6 Rdd7 44.Raa6 Rac7 45.Rd6 Rd6 46.Rd6 Ra7 47.Kg3 Ke7 48.Re6 Kf7 49.Nc4 Kf8 50.Nd6 Ra8 51.Kg4 Ra4 52.Kh5 Ra8 53.Kg6 Rb8 54.h4 Ra8 (54...Rd8 55.Re8! Re8 56.Ne8 Ke8 57.Kg7+-) 55.h5 Rb8 56.Re8! Re8 57.Ne8 Ke8 58.Kg7 Ke7 59.f4 Ke8 60.Kf6 Kf8 61.Ke6 Ke8 62.f6 Kf8 (62...Kd8 63.f7 Kc7 64.Kd5 Kb7 65.f8Q Kc7 66.Qa8 Kd7 67.Qb7 Ke8 68.Ke6 Kf8 69.Qf7) 63.f7+- Kg7 64.Ke7 Kh7 (64...Kh8 65.Kf6 Kh7 66.f5 Kh8 67.f8Q Kh7 68.Qg7) 65.Kf6 black resigned. (65.Kf6 Kh8 66.f8Q Kh7 67.Qg7) 1-0. krambambuli (2610) - bigart (2765), net-chess.com, 2012.

6.a3 Be7 7.Bb2 0-0 8.Be2 Re8 9.0-0 Nb6 10.Nc3 Bg4 11.d3 c6 12.a4 =.

6.a3 Be7 7.Bb2 0-0 8.Be2 Re8 9.0-0 Nb6 10.Be5 Nfd7 =+.

6.a3 Be7 7.Bg3 Nb6 8.a4 a5 9.Bb5 (9.Be2 Ne4 10.Be5 0-0 11.0-0 Bd7 12.Bb5 Bf6=+; 9.Ne5 0-0 10.Bb5 Ne4 11.Qh5 f6 12.Nf3 c6=+) 9...c6 (9...Bd7 10.0-0 0-0 11.Be5 Re8 12.Nc3 Ne4=+) 10.Be2 0-0 11.0-0 Re8 (11...Bg4 12.d3 Re8=) 12.d3 Bg4 (12...c5=) 13.Nbd2 Bb4 14.Be5 Nfd7 (14...Nbd7 15.Bd4=) 15.Bb2 Bd6 16.c4 dc4 17.dc4 Bb4 18.h3 Bh5 19.Bd4 c5 20.Bb2 Re6 21.Ba3 Rd6 22.g4 (22.Bb4!? ab4 23.Qc2=+) 22...Bg6-/+ 23.Ra2 Nf6 24.Bb4 ab4 25.Qa1 Ne4 26.Nb1 f5 27.Ne5-/+ Qh4 28.Kg2 fg4–+ 29.Bg4 h5 (29...h5 30.a5 hg4 31.ab6 Ra2 32.Qa2 Qh3 33.Kg1 Be8–+) 0–1. Binder,Klaus – Gohla,Ulf, DESC, 2001.

6.Bb2 c5 7.Be2 0-0 8.0-0 a6 9.a3 (9.d3 Re8=) 9...Ba5 10.d3 (10.Nc3 Re8=) 10...Bc7 (10...Qb6 11.Bc3=) 11.Nbd2 b5 (11...Re8 12.a4=) 12.a4 Bb7 13.ab5 ab5 14.Re1 (14.Ra8 Qa8 15.c4 dc4 16.dc4 b4=) 14...Re8 15.Ra8 Qa8 16.Ba1 Qa2 17.Qb1 Qa4 18.Bb2 Ra8 19.h3 c4 20.Rd1 Ba5 21.dc4 dc4= 22.Bf6 Nf6 23.Nc4 Ne4 24.Nb2 Qa3 25.Qa1 Qa1 26.Ra1+= Nc3 27.Nd4 Ne2 28.Ne2+/– f6 29.Nd3 Bb6 30.Rb1 Bc6 31.Nb4 Bd7 32.Nd5 Bc5 33.Nd4 Rb8 34.c3 Kf7 35.Kf1 h5 36.Ke2 g5 37.e4 Kg6 38.f3 g4 39.fg4 hg4 40.Rf1 gh3 41.gh3 Rf8 42.h4 f5 43.Nf4 Kf6 44.e5! Kg7?? 45.Nfe6 (45.Nfe6 Be6 46.Ne6 Kh6 47.Nc5+- (< 47.Nf8 Bf8 48.Rf5 Be7+-)) 1–0. pierre – shr0pshire, ChessWorld.net, 2005.

6.Bb2 c6 7.c4 0-0 8.cd5 Nd5 9.Be2 Re8 10.0-0 N7f6 11.Qc2 Bd6 12.Nc3 Bg4 13.h3 Bh5 14.Nd5 Nd5 15.Qf5 (15.d3!?=+) 15...Bg6-/+ 16.Qg4?? (better 16.Qg5-/+) 16...Re4-+ 17.Qg5 f6 (17...f6 18.Qh4 Rh4 19.Nh4 Bf7-+) 0-1. travisjolson (2085) - new_reflexx (2425), gameknot.com, 2021.

6.c3 Be7 7.Bf6 Nf6 8.d4 0-0 9.Bd3 Re8 10.0-0 c5 =+.

6.Bd4 0-0 7.Be2 Bd6 8.0-0 Re8 9.Bb2 Nb6 10.Nc3 c6 =+.

6.Bf4 Ne4 7.c3 Be7 8.d3 Nef6 9.Nd4 Nf8 10.Qa4 Bd7 =.

6.Bg3 Ne4 7.c3 Be7 8.Bf4 g5 9.Be5 Rg8 10.h3 Ne5 =+.

6.Bb2 0-0

7.a3 Ba5 8.Be2 Re8 9.0-0 c6 10.d4 Nb6 11.Nbd2 Na4 12.Qc1 Bg4 13.Rb1 Nb2 14.Rb2 Qe7 15.Rb3 b6 16.Bd3 c5 17.Bb5 Red8 18.Ne5 a6 19.f3 c4 20.Rb1 (20.Ndc4 A) 20...ab5 21.Na5 ba5 22.fg4+/– (worse is 22.Ng4 Ng4 23.fg4 b4+=); B) 20...dc4 21.Bc4 Be6-/+) 20...Bf5 21.Bc6 Rab8 22.e4 (22.Rf2 Rd6+=) 22…Bc3-/+ 0–1. Gallach Perez,Yago – Miguel de Frutos,Victor, AEAC W/IX COPA/Pr–05, 2006.

7.a3 Bd6 8.Be2 a6 9.0-0 Re8 10.a4 Qe7 11.a5 Nc5 12.Nc3 =+.

7.c4 Nb6 8.a3 Bd6 9.cd5 Nbd5 10.Be2 Qe7 11.0-0 Bf5 (11...Re8 12.Qc2=+) 12.Nd4= Bg6 (12...Bd7 13.Qc2=) 13.Nb5 Bc5 (13...Rfe8 14.Nd6 Qd6 15.d3=) 14.d4 Bb6 15.N5c3 c6 16.Nd5 Nd5 17.Nc3 Bc7 18.Nd5 cd5 19.Qb3 Be4 20.Rfc1 Rfe8 21.g3 Rab8 22.a4 Ba5 23.Bc3 Bd8 24.Bd2 Qf6 ½–½. Mehlhorn,U – Penopp,M, BFM–226, 2001.

7.c4 Nb6 8.cd5 Bg4 9.Be2 Nfd5 10.Qb3 Qe7 11.0-0 Rfe8 12.a3 Bd6 13.Nc3 c6 14.Nd5 Nd5 15.Rfe1 Rad8 16.Rac1 a6 17.d4 Nf6 18.Ne5 Be6 (18...Be5? 19.de5 Ne4 20.Bg4+-) 19.Qa4 Nd7 20.Nd7 Rd7 21.Bf3 f5 22.Qa5 Qf7 23.Bc3 Bc4 24.Bb4 Bc7 25.Qc5 Bd3 26.a4 Be4 27.Be4 fe4 28.Qc2 Re6 29.Rb1 Rd5 30.Rec1 Bh2 (better is 30...Rg5 31.g3 Rh5+=) 31.Kf1?? (31.Kh2 Rg5 32.Kg1+=) 31...h5 (31...a5!? 32.Be1-/+) 32.Be1-/+ h4 33.Qb2? (better is 33.Rb6!?-/+) 33...h3!-+ 34.g4 (34.gh3 Qf3 Decoy) 34...Qf3 35.Qb7 Bd6 (35...Bd6 36.Qc8 Kh7-+) 0–1. Whaley,Michael G – Doyle,Timothy J, NZCCA HT corr New Zealand, 2002.

7.c4 dc4 8.Bc4 Nb6 9.Be2 Be6 10.0-0 Rc8 11.Nd4 Bd5 12.Nc3 Bc3 13.Bc3 c5 14.Nf3 Qd6 15.a4 (15.d3 Qe7=) 15...Ng4+= 16.g3 Rfe8 17.Nh4 Nh6 18.Bf3 Rcd8 19.d4 c4 20.a5 Bf3 21.Nf3 Nd5 22.Qc2 Ng4 23.e4 (23.Ne5!? Re5 24.de5+=) 23...Qf6-+ (23...Nc3?! 24.Qc3 Re4 25.Qc4+=) 24.Nd2 (24.ed5 Qf3 25.Rae1 Re1 26.Re1 Nf2 27.Qf2 Qc3-+) 24...Nc3 25.Qc3 Qd4 26.Qd4 Rd4 27.Nf3 (27.Nb1 Ne5 (27...Rde4?! 28.f3 Nh2 29.Kh2 Re2 30.Kh3+=; 27...Ree4?! 28.f3 Nh2 29.Kh2 Re2 30.Kh3+=) 28.Nc3 Nd3-+) 27...Rde4 28.h3 Nf6 29.Rfc1 Rc8 30.Nd2 Rd4 31.Rc2 c3 32.Nf3 Rd3 33.Ne1 Rd2 34.Raa2 Rd1 35.Kf1 Re8 36.Re2 Ne4 37.Kg2 Kf8 38.f3 Nd2 39.Re8 Ke8 40.Kf2 Nc4 41.Ke2 Rd2 (better is 41...Nb2!? 42.f4-+) 42.Rd2 cd2 43.Nd3 (43.Nc2 Ke7-+) 43...Kd7 44.a6 ba6 (44...b5!? 45.f4-+) 45.Nc5 Kd6 46.Na6 (46.Ne4 Kd5-+) 46...g5 47.Nb4 a5 48.Na2 (48.Nc2 a4-+) 48...Kc5 49.Kd3 d1Q 0–1. kupovgeorge (1720) – charmedones (2000), gameknot.com, 2014.

7.c4 Nc5 8.cd5 Bf5 9.Be2 Nd5 10.0-0 Nd3 11.Bd4 Be7 12.Qb3 =.

7.c4 Re8 8.Qb3 a5 9.a3 Be7=+ 10.d4 a4 11.Qc2 dc4 12.Bc4 Nb6 13.Ba2 Ra5 14.Ne5 Rf8 15.Nd2 Nbd7 16.Bc3 Ra6 17.Bc4 Ne5? 18.de5+- Ng4 19.h3 Nh6 20.Nf3 c6? 21.0-0?? b5+= 22.Rfd1 +=. Krafzik,Joachim – Jentsch,Dieter, 18sen.DSenEM(GrA) op, 2006.

7.Be2 Nc5 8.Ba3 (8.c3 Ba5=) 8...Ba3=+ 9.Na3 Nce4 10.c4 Qe7 11.Nc2 (11.Qb3 Rd8=+) 11...c5 12.cd5 Nd5 13.0-0 Rd8 14.Qc1 Bg4 15.Nce1 Rd6 16.Qc4? (better 16.Bc4=+) 16...Nb6-+ 17.Qc2 Nd2! 18.Qc5 (18.Nd2 Be2 Pinning (18...Be2 Deflection)) 18...Nf1 19.Bf1 Rc8 20.Qa3 Re6 21.Qb3 (21.Qa5 Rd8-+) 21...Bf3 (21...Rec6 22.Nd4 Rc3 23.Qb1 Re3 24.Bd3-+) 22.Nf3 Rec6 23.Nd4 Rc3 24.Qd1 Qf6 25.Qg4 g6 26.Rd1 Rc1 27.Bd3 h5 (27...Na4 28.Bf1-+) 28.Qe2 Nd5 29.Bc2?? (better 29.Qd2 Rd1 30.Qd1-+) 29...Nc3-+ 30.Qd3 (30.Qf1 Nd1 31.Bd1 Rb1-+) 30…Nd1 (30...Nd1 31.Bd1 Ra1-+) 0-1. Ioannides,Andreas - Arkell,K (2445), Larnaka CYP, 2019.

7.Be2 c6 8.0-0 Re8 9.c4 a6 10.d4 Bd6 11.Nbd2 Ne4 12.cd5 cd5 13.a4 Ndf6 14.h3 h6 15.Rc1 Nh7 16.Ne5 Nhg5 17.Ne4 Ne4 18.Bh5 Be6 19.f4 Be5 (19...Re7 20.Bf3+=) 20.de5= Ng3 21.Rf2 Qa5 22.Bc3 Qd8 23.Bf3 Nf5 24.Bd4 Ng3 25.Rb2 Qd7 26.Rcb1 Reb8 27.Kh2 Ne4 28.g4 g6 29.Rb6 h5 (29...Qe7!?+/–) 30.Be4 de4 31.f5 gf5 32.gf5 Bf5 33.Qh5 Bg6 (33...Qc7 34.Qf5 Kf8+-) 34.Rg1 Rc8 35.Rbg6 fg6 36.Qg6 Kf8 37.Qg8 Ke7 1–0. Lorenc,Tomas (2105) – Bernath,Stefan (1950), Tabor op, 2008.

7.Be2 Bd6 8.a4 c5 9.0-0 Re8 10.Na3 Qe7 11.Re1 Nf8 12.c4 Be6 13.Qb3 dc4 14.Bc4 b6 15.h3 Rad8 16.Rad1 h6 17.d4 Ne4 18.Nb5 Bb8 19.Nc3 White prepares the advance d5 19...Ng5 20.Ng5 Qg5 21.Be6 Ne6 22.d5 Qe5?? (better 22...Nf8+=) 23.de6+- Qh2 (23...fe6 24.Rd8 Rd8+-) 24.Kf1 fe6 (24...Qc7 25.Rd8 Rd8 26.Nd5 Rd5 27.Qd5 fe6 28.Qe6 Qf7 29.Qc8 Qf8 30.Qg4+-) 25.Rd8 Rd8 26.Qe6 Kh8 (26...Kh7 27.Qf5 Kg8 28.f4+-) 27.Nd5 (better 27.Ne4 Qc7 28.Qh6 Kg8 29.Qg5+-) 27...Qh1 (27...Qd6 28.Qg4 Qf8+-) 28.Ke2 Qg2 29.Qh6 (29.Ne7 Bf4 30.Rd1 Re8 31.Rd7 Re7 32.Re7 Qg5 33.ef4 Qh5 34.Ke1 Qd1 35.Kd1 h5 36.Rg7 c4 37.Qe8) 29...Kg8 30.Qe6 Kh8 (30...Kh7 31.Nf6! gf6 32.Qe7 Qg7 33.Qd8 Bc7+-) 31.e4 (31.Ne7 Qg5 32.Rg1 Qh5 33.Rg4 Bg3 34.Bg7 Kh7 35.Qe4 Qf5 36.Qf5) 31...Rf8+- 32.Rf1 Bg3 1-0. Ardaman,Miles (2305) – Cereda,Loris (2055), Bratto op, 2005.

7.Be2 Ne4 8.0-0 Nb6 9.a3 Bd6 10.d4 c6 11.Nbd2 Na4 12.Qc1 Qb6 13.Nb3 a5 14.Ne1? Nb2-+ 15.Qb2 a4 16.c4 Qb3 17.Qb3 ab3 18.c5 Bc7 19.Nd3 Bf5 20.Nb2 (20.Rfb1 Nc3 21.Rb3 Ne2 22.Kf1 Nd4 23.ed4 Ra4-+ (< 23...Bh2 24.g3-+)) 0–1. Suess,Stefan – Muller, corr, 1985.

7.Be2 Nb6

8.0-0 Re8

9.a4 Bg4 10.a5 Bf3 =+.

9.Nc3 Ne4 10.Nb1 Bd6 =+.

9.d3 Bd6 10.a4= Bd7 11.Nc3 a5 12.Qb1 Bb4 13.Re1 Qe7 14.Qa2 Bc3 15.Bc3 =.

9.d3 Qe7

10.a4 a5 11.c3 Bd6 12.Na3 Bd7=+ 13.Nb5 Bb5 14.ab5 a4 15.Qc2 a3 16.Bc1 Ng4 17.Qb3= Ne5 18.Nd4 +=.

10.a4 a5 11.c3 Bd6 12.Na3 Bd7 13.Nb5 Bb5 14.ab5 a4 15.c4 a3 16.Bd4 dc4 17.dc4 Bc5 18.Be5 Red8 19.Qc2 =.

7.Be2 Re8

8.0-0 Nb6 9.d3 Bd7 10.c4 Qe7 11.Nc3 dc4 12.dc4 Rad8 13.Qc2 Bc3 14.Bc3= Ne4 15.Ba5 Bf5 16.Nd4= Bg6 17.Bd3 Rd7 18.Bb6 ab6 19.Rae1 c5 20.f3 cd4 21.ed4 Rd4 22.fe4 Red8 23.Rf3 Qc5 24.Kh1 Qb4 25.Ref1 Qa3-/+ 26.Be2 Qe7 27.Qb3 Be4 28.R3f2 Qe6 29.h3 Rd2 30.Bf3 Rf2 31.Rf2 Rd3 32.Qa4=+ g6 33.Be4 Qe4 34.Kg1 Qe3 35.Qc2 Qd4 36.Qe2 f5 37.Qe8 Kg7 38.Qe2 Rd1 39.Kh2 Qd6 40.g3 Rd3 41.Rg2 h5 42.Qb2 Kg8 (42...Kg8 43.Qf2 h4-/+) 0–1. Woschkat,Karl_Heinz – Taulien,Hans_Juergen, remoteschach.de, 2002.

8.0-0 Nb6 9.d3 Bd7 10.Nbd2 Na4-/+ 11.Rb1 Nb2 12.Rb2 Qe7 (12...a5 13.d4=+) 13.d4 (13.c4 b6=+) 13...Bf5 (13...c5 14.dc5 Qc5 15.a3 Ba3 16.Rb7=+) 14.c4 Rab8 (14...Red8 15.Ne5=) 15.c5 Ba5 16.Qb3 =.

8.0-0 c6 9.c4 Nb6 10.Qb3 Bd6 11.d3 dc4 12.dc4 Bf5 13.Nbd2 Ng4 14.Rad1 Qc7 15.h3 Nf6 16.Bf6 gf6 17.Qc3 Qe7 18.Nb3 Bc7 19.Bd3 Bg6 20.c5 Na4 21.Qb4 Nb2 22.Bg6 +/–.

8.0-0 c6 9.c4 Nb6 10.d3 Bg4 11.Qc2 dc4 12.dc4 Bc5 13.Nbd2 Bh5 14.Bd3 Bg6 15.Bg6 hg6 16.Ne5 Na4 17.Nd3 Bf8 18.Qa4 Qd3+= 19.Rad1 b5 20.cb5 cb5 21.Qa6 Red8 22.Bd4 Qf5 23.Nf3 Rd6 24.Qb7 Qd5 25.Qc7 a5 26.Ne5 Ne8 27.Qc2+= Qb7 28.f4 Rc8 29.Qb1 Nf6 30.Rc1 Rdd8 31.Qb2 b4 32.Qb3 Ne4 33.Nc4 Rc4 34.Qc4+= Nd2 35.Qe2 Nf1 36.Rf1 Qd5 37.Qc2 f5 38.Qa4 Bd6 39.Bb6 Rc8 40.Bd4 Kh7 41.Qd7 Rc7 42.Qd8 Qa2 43.Qh4 Kg8 44.Qd8 Kh7 45.Qh4 Kg8 46.Qd8 Kh7 ½–½. Curado,Manuel Cruz P – Ferreira,Marino BG, corr POR–ch TP, 1994.

8.0-0 c6 9.c4 dc4 10.Bc4 Nb6 11.Be2 Bd6 12.d4 Qe7 13.Nc3 Bf5 14.Nh4 Be6 15.Qc1 Nbd5 16.Nf3 Rad8 17.Nd5 Bd5 18.Qc2 Be4 19.Qa4 Nd5 20.Nd2 Nb6 21.Qa7 =+.

8.0-0 Bd6 9.a4 Qe7 10.a5 a6 11.c4 b6 12.ab6 cb6 13.Na3 Bb7 14.d3 Rac8 15.Qb3= Nc5 16.Qb6+= Rb8 17.Bd4 Ba8 18.Qa5= Nb3 19.Qa6 Bb7 20.Qa4 Nd4 21.Nd4-+ Ra8 22.Qb3 Ra3 23.Ra3 dc4 24.Nf5=+ Qe5 25.Nh6?? gh6-+ 26.dc4 Qh2# 0–1. Bonetti,Shane – Conde,Jose A, TT–06 TSC, 2003.

8.0-0 Bd6 9.Nc3 Qe7 =.

8.0-0 Bd6 9.d3 Nc5 10.a4 Bd7 11.c3 Ng4 12.h3 Nh6 13.d4 Ne4 14.c4 c6 15.Nc3 Be6 16.cd5 Nc3 17.Bc3 Bd5 18.Re1 Rb8 19.Bd3= f5 20.Ne5 Qf6 21.Qh5 Be5 22.de5 Qe6 23.Red1 b6 24.Rd2 Rb7 25.Rb1 Rbe7 26.Bc2 Rd7 27.Qg5 Rde7 28.Qf4 Rd7 29.f3 Ba2 30.Rd7 Qd7 31.Rd1+= Qc8 32.e4 Be6 33.Rd6 Nf7 34.ef5 Bd5= 35.f6 g6 36.Qg3=+ Kh8 37.f4 Rg8 38.Qg4 Qf8 39.Qd7+/– (39.Qd7 Nd6 40.ed6+/– (< 40.Qd6 Bf7+-)) 1–0. Woelfelschneider,Peter – Conde,Jose A, TT–07 ETC, 2003.

8.0-0 Qe7

9.Nc3 c5 =.

9.d3 Bd6 10.Nbd2 c5 11.Re1 b5 12.a4 b4 13.c4 Bb7 14.cd5= Bd5 15.e4 Bb7 16.Nc4 Bb8 17.a5 Bc7 18.Qc2 Rab8 19.Ne3 h6 20.Nf5= Qd8 21.Qc1 Re6 22.Bd1= Ba6 23.e5 Ng4 24.d4 c4= 25.h3 Nf2 26.Kf2 c3 27.Bb3 Bd3 28.Be6+/– fe6 29.Nh6 gh6+= 30.Bc3 bc3 31.Qc3 Bh7? 32.Rec1+- Rc8 33.Qc6 (33.Qc6 Bf5 34.Qb7+-) 1–0. Woelfelschneider,Peter – Reichardt,Bernd, KO–01.2 TSC, 2002.

9.d3 c5

10.c3 Ba5

11.Nbd2 b5 12.a4= b4 13.cb4 Bb4 14.Re1 Rb8 15.Qc2 Bb7 16.a5 Qd8 17.Bc3 =.

11.Nbd2 Bc7 12.Qb3 Ne5 13.c4= d4 14.ed4 Nf3 15.Nf3 += (15.gf3 Qd6 16.f4 Qf4-+; 15.Bf3?! cd4 16.Ne4 Ne4 17.Be4 f5 18.Bd5 Kh8=).

11.Nbd2 Bc7 12.Qb3 Ne5 13.c4= Qe6 14.d4 dc4 15.Nc4 Nf3 16.Bf3 cd4 17.Bd4 Ng4 18.g3 Rd8 19.Rad1 Qh6 20.h4 Qe6 21.Qb5 h6 22.Rb1 a6 23.Qc5 +/–.

11.Nbd2 Bc7 12.Qb3 Ne5 13.c4= Qe6 14.d4 Ned7 15.cd5+= Nd5 (15...Qd5 16.Rfd1+=) 16.Bc4 +/–.

6.Bb2 Nb6

7.a3 Bd6 8.d4 Qe7 9.Nbd2 Be6 10.Qc1 Nh5 11.c4 dc4 12.Nc4 Nc4 13.Bc4 c6 14.0-0 Nf6 15.Bd3 Bd5 16.e4 Ne4 17.Be4 Be4 18.Re1 f5 19.Ng5 h6 20.Nh3 0-0 21.f3 Rae8 22.fe4 fe4 23.Re3 Qc7 24.g3 Rf3 25.Qc4 Kh8 26.Qe2 Ref8 27.Re4 Bg3 28.Rg4 Bf2 29.Nf2 Rf2 30.Qf2 Rf2 31.Kf2 Qh2 32.Rg2 Qf4 33.Kg1 Qe4 34.Kh2 Qf4 35.Kh1 Kh7 36.d5 g5 37.dc6 bc6 38.Rc1 h5 39.Rc6 ½–½. Bernardo – Baer, corr TKM–A001 1999–2000.

7.a3 Be7 8.Ne5 (8.Be2 0-0+=) 8...0-0 9.c4 (9.Be2 Na4 10.Qc1 Bd6+=) 9...Be6 (9...dc4 10.Nc4 Be6 11.Nb6 ab6 12.Qc2+=) 10.Qc2 (10.cd5 Qd5 11.d4 Rfd8+=) 10...c5 (10...dc4 11.Nc4 Rc8 12.Be2+=) 11.d3 (11.cd5 Qd5 12.f4 Ne4+=) 11...Qc7 (11...Re8 12.Nd2+=) 12.Nd2 Rfd8 13.Ndf3 Ne8 (13...Nfd7 14.cd5 Nd5 15.Nd7 Rd7 16.e4+=) 14.a4 (14.Be2 d4 15.ed4 f6 16.dc5 Nc8+=) 14...Bf6 (14...dc4 15.dc4 f6 16.a5=) 15.a5 (15.cd5 Nd5 16.Be2 Nb4+=) 15...Nd7 16.cd5 Bd5 (worse is 16...Be5 17.de6 fe6 18.d4 cd4 19.Qc4+=) 17.d4 Ne5 (17...Rac8 18.Bd3 cd4 19.Bh7 Kh8 20.Qc7 Rc7 21.Nd7 Rcd7 22.Bf5 Bf3 23.Bd7 Bg2 24.Be8 Bh1 25.Bf7+=) 18.de5= Be7 19.Bd3 g6 (19...h6 20.e4 Be6 21.0-0=) 20.e4 Be6 21.Bc4 (21.0-0 Rac8+=) 21...Bc4= 22.Qc4 h6 (22...Qd7 23.0-0=) 23.0-0 b5 (23...Qd7 24.Bc1+=) 24.ab6 ½–½. De Visser,Arno – Calvo,JM, corr ICCF, 1984.

7.Be2 Qe7 8.0-0 Be6 9.a3 Bd6 10.Nd4 Bd7 11.Nc3 c6 12.a4 a5 13.Rb1 Bc8 14.Bd3 Bb4 15.Ba1 Bc3 16.Rb6 Bb4 17.Nf5 Bf5 18.Bf5 Qc7 19.Bd4 Rg8 20.c3 Bd6 21.Qb1 Rb8 22.Rb3 Bh2 23.Kh1 c5 24.Bf6 gf6 25.g3 Bg3 26.Rg1 Kf8 27.fg3 Rg3+/– 28.Rb5 Qe5 29.Rc5 Rg1 30.Kg1 Qg3 31.Kf1 b6 32.Rb5 Qf3 33.Ke1 Re8 34.Bd3 Re5 35.Be2 Qh1 36.Bf1 Rh5 37.Rb6 Qh4 38.Kd1 Qf2 39.Qd3 Rh1 40.Kc2 Qf1 41.Qf1 Rf1 42.Rb5 h5 43.Rd5 f5+/– 44.Rd4 f4 45.ef4 h4 46.f5 h3 47.Rh4 Rf3 48.d4 Kg7 49.d5 Rf5+= 50.c4 Rf2 51.Kd3 h2 52.d6 Rf6 53.c5 Rf5 54.Ke4 Rc5 55.Rh2 f5 56.Kd4 Rc1 57.Ke5 Kf7 58.Kf5 Rc5 59.Ke4 Ke6 60.Rh6 Kd7= 61.Kd4 ½–½. Kuni,Richard (1700) – Baer,Werner (1715), TT–02 TSC, 2002.

7.Be2 Bf5 8.0-0 0-0 9.d3 Re8=+ 10.a4 a5 11.Nbd2 Be7 12.Re1 Bd7 13.c3 Bd6 14.Qb3 Re6 15.h3 Qe8=+ 16.Bd1 Bc5 17.Qa2 Qf8 18.Bb3= Bc6 19.Nd4 Bd4 20.cd4 Qb4 21.Ba3 Qc3 22.Qb1 Ba4 23.Ra2 Qc6 24.Rc1= Bb3 25.Nb3 Qe8 26.Nc5 Rc6= 27.Nb7 Rc1 28.Qc1 Ra7 29.Nc5 h6 30.Qd1 Qc6 31.Rc2 Nfd7 32.Qg4 a4 33.Rc1 Nc5 34.Rc5 Qe6 35.Qh4 Qd7 36.Qf4 Nc8 37.Qe5 Ne7 38.Qh5 Ra6 39.Qd1 Rg6 40.Kf1 Ra6 41.Qc2 Ra7 42.Qb1 Kh7 43.Qb8 c6 44.Qb4 Ng6 45.Qb6 Rb7 46.Qc6 Qc6= 47.Rc6 Rb3 48.Bd6 a3 49.Ra6 Rb1 50.Ke2 Rb2 51.Kf3 a2 52.Bg3 Ne7 53.Be5 f6 54.Bh2 h5 55.Ra4 (55.g4 Nc6 56.Bd6 hg4 57.hg4 Kg6=) ½–½. Woelfelschneider,Peter (1700) – Baer,Werner (1715), TT–02 TSC, 2002.

7.Be2= Bg4 8.0-0 0-0 9.h3 Be6 10.Bd4 =+.

7.Be2= Bg4 8.0-0 c6 9.c3 Bd6=+ 10.d3 Qe7 11.Nbd2 0-0 12.a4 Rfe8 13.a5 Nbd7 14.c4 b5 15.ab6 ab6 16.Qc2 dc4 17.Nc4 Bc7 18.h3 Bh5 19.Nd4 Be2 20.Qe2 Qc5 21.e4 b5 22.Ne3 Qd6 23.g3 Ra1 24.Ra1 Bb6 25.Nef5 Qc7 26.Qd2 g6 27.Qh6 Nh5 28.g4 (28.g4 gf5 29.Qh5=; 28.Ra8 Ndf6 29.Re8 Ne8+=). Poschmann,Hans – Baer,Werner, TT–04 TSC, 2002.

7.Be2 Bg4 8.0-0 c6 9.Ne5 Be2 10.Qe2 Na4 11.Bd4 Be7 12.Nc3 Nc3 13.Bc3 Qc8 14.d3 0-0 15.Rab1 Re8 (15...Re8 16.Qd2 b5=). Rushton,Darren – Baer,Werner, T16–02 TSC, 2002.

7.Be2= Bg4 8.0-0 c6 9.h3 Bf3 10.Bf3 0-0 =.

7.Be2 0-0

8.0-0 c6 9.d3 Be6 10.a4 a5 11.Nbd2 Bd6 12.Nb3 c5 13.Qd2 Nbd7 14.c4 Qc7 15.Qc2 b6 16.Rab1 dc4 17.dc4 Rfe8 18.h3 h6 19.Nbd2 Be7 20.Bd3 Bd6 21.Ne4 Ne4 22.Be4 Rad8 23.Rfd1 Ne5 24.Be5 Be5 25.Rd8 Rd8 26.Ne5 Qe5 27.Rb6 Bc4 28.f4 Qa1 29.Rb1 Qa2+/– 30.Qa2 Ba2 31.Rb5 c4 32.Kf2 Re8 33.Bc2 Bb3 34.Bb3 cb3 35.Kf3 Rc8 36.Rb3 Rc4 37.Ra3 h5 38.g4 hg4 39.hg4 f6 40.f5 Rb4 41.e4 Rb1 42.e5 fe5+= 43.Re3 Rf1 44.Kg3 Rf4 45.Re5 Ra4 46.Kh4 g6 47.f6+/– Rf4 48.Kg5 Ra4 49.Re8 Kf7 50.Re7 Kf8 51.Ra7 Kg8 52.Rg7 Kf8 53.Rg6 Rb4 54.Rg7 a4 55.Ra7 (55.Ra7 Rc4 56.Kf5+-) 1–0. Curlywurly – ancientmage, ChessWorld.net, 2003.

8.0-0 Re8

9.a3 Bd6 =.

9.d3 Qe7 10.Nc3 =+.

9.Bd4 Bd6 =+.

9.Ba3 Ba3=+

10.Na3 Ne4 11.Rb1 a6 =+.

10.Na3 Ne4 11.c4 Qe7 12.Qc1 Bg4 13.d3 Ng5 14.Nd4 Be2 15.Ne2 Rad8 16.Rd1 c5 17.Ng3 Rd7 18.Qc3 Ne6 19.Qb3 d4 20.Re1 Qf6 21.Rad1 de3 22.fe3 Red8 23.Rf1 Qg5 24.Nc2 Nc8 25.d4 cd4 26.ed4 Nd4 27.Nd4 Rd4 28.Rd4 Rd4 29.Qb7 Qe3 30.Kh1 Qe6 31.c5 h6 32.Qc7 Rd2 33.a4 Rc2 34.h4 Ne7 35.Qd8+= Kh7 36.Qd3 Qg6 37.Qg6 Ng6 38.Rf7 Ne5 39.Ra7 ½–½. Pleschke,Helmut – Baer,Werner, SEV, 2001.

10.Na3 Ne4 11.c4 Bg4 12.cd5 Nd5 13.Nc4 Qf6 14.Qb3 Nb6 15.Nb6 ab6 16.Qc2= c5 17.Rab1 Ra3 18.Rfc1 Qd8 19.Qb2 Qa8 20.Bc4 Be6 21.Be6 Re6 22.Rc2 Rd3 23.Ne5 Rd2 24.Rd2 Nd2 25.Qd2 Re5 26.Rb6 Re8 27.h3 h6 28.Qc3 Rc8 29.Qc4 Rc7 30.a4 Qd8 31.a5 Qd1 32.Kh2 Qd7 33.f4 Qd8 34.Rb3 Qe7 35.e4 Qe6 36.Qe6 ½–½. Milde,Lars (2040) – Baer,Werner (1790), TT–03 TSC, 2002.

10.Na3 Ne4 11.d4 Bg4 =+.

10.Na3 Qe7 11.Nb5 =+.

9.d3 Bd7

10.a3 Bd6 11.Nc3 Qe7 12.a4 a5 13.Qb1 Ra7 =+.

10.a3 Bd6 11.Nc3 Qe7 12.a4 a5 13.h3 Bb4 14.Nb5 Bb5 15.ab5 a4 16.Ra2 a3 17.Bd4 Nbd7 18.Qa1 Ra4 19.c3 Bd6 20.Rb1 Nb6 21.Ne1 Nfd7 22.Nc2 Nc5 23.Ra3 Ra3 24.Qa3 Nd3 25.Nb4 Nc5 26.Qa2 Ne4 27.Bf3 Qd7 28.Be4 de4 29.Bb6 cb6 30.Qd5 Qe7 31.Qd4 Bc5 32.Nd5 Qd6 33.Qd2 Ra8 34.Rd1 Ra5 35.c4 h6 36.Qe2 Qe5 37.Qg4 Ra1 38.Ra1 Qa1 39.Kh2 Qb2 40.Qc8 Kh7 41.Qf5 Kg8 42.g3 Qe2 43.Kg2 Qc4 44.Qc8 Kh7 45.Qd7 Kg6 46.g4 Kh7 47.Qf7 Kh8 48.Qe8 Kh7 49.Nf4 Qc2 50.Qg6 Kg8 51.Ne6 Qc3 52.g5 hg5 53.Qe8 Kh7 54.Ng5 Kh6 55.h4 1–0. Woelfelschneider,Peter – Baer,Werner, T16–01.46, 2002.

10.Qc1 c6 11.Ba3 Ba3 12.Qa3 Qc7 13.d4 Bf5 14.Rc1 Bg4 (14...Be4 15.Nbd2=) 15.Nbd2= Ne4 16.Bf1 (16.Bd3 Bf3 17.Nf3 c5=) 16...Bf3 17.Nf3 Nc4 18.Bc4 dc4 19.c3 (19.Rab1 c3=) 19...a5 20.Qb2 a4 21.Re1 b5 22.Nd2 Rad8 23.Ne4 Re4 24.f3 Rh4 25.g3 Rh6 26.e4 Rhd6 27.Rad1 Qd7 28.Kg2 Re6 29.Qf2 Rd6 30.Qb2 ½–½. Mehlhorn,U – Kerner,H, BFH–074, 2001.

10.Qc1 Bd6 11.Nbd2=+.

10.Nc3 Qe7=+.

10.Be5 Bg4 11.c3 Bd6 12.Bd6 Qd6=+ (< 12...cd6 13.a4+=).

7.Be2 Be6

8.0-0 0-0 9.d3 Re8 10.a4 c5 11.a5 Nbd7 12.a6 Rb8 13.ab7 Rb7 14.c4 Qe7 15.Qc2 Bg4 16.cd5 Nd5 17.Na3 N7b6 18.Nc4 Nc4 19.Qc4 Be6 20.Qc2 Bg4 21.h3 Bc8 22.Rfc1 Ne3 23.fe3+= Qe3 24.Kf1 Rbe7 25.Re1 Be1= 26.Re1 Qf4 27.Qc3 Qg3=+ 28.Bd1 Re1 29.Ne1 Ba6 30.Be2= c4 31.dc4 Qc3 32.Bc3 Re4 33.Kf2 Bc4 34.Bf3 Re8 35.Nc2 Rc8 36.Nb4 Rc7 37.Ke3 a5 38.Nd3 a4 39.Bb4 Bd3 40.Kd3 g6 41.Bd1 Ra7 42.Bc5 Rd7 43.Bd4 a3 44.Bb3 Rd8 45.Kc3 Ra8 46.Ba2 Re8 47.Bc5 Re2-/+ (47...Re2 48.Kb3 Rg2 49.Ka3 Rg3 50.Kb4 Rh3-+) 0–1. Woelfelschneider,Peter – Baer,Werner, TT–04 TSC, 2002.

8.0-0 0-0 9.Nd4 Nc4 10.Bc4 dc4 11.Ne6 fe6 =.

8.0-0 c6 9.d3 Bd6 10.a4 Nbd7 11.Nbd2 Qe7 12.a5 0-0 13.c4 dc4 14.Nc4 Bc4 15.dc4 Nc5 16.Qc2 Rfe8 17.Rfd1 Nce4 18.Bd3 Rad8 19.h3 a6 20.Bd4 Bc7 21.c5 Rd5 22.Rdb1 Rb8 23.Rb2 Kf8 24.Rc1 Kg8 25.Bc4 Rh5 26.Rcb1 Nc5? 27.g4+- Rh3 28.Ng5 Qd7 29.Be2 Rh4 30.Qc5 Ng4 31.f4 h6 32.Nf7 Ne3 33.Be3+- Qh3 34.Bf1 Qh1 35.Kf2 Rh2 36.Kg3 Rb2 37.Nh6! Qh6 38.Bc4 Kh8 39.Rb2 Qg6 40.Kf3 (40.Kf3 Qh7 41.Ke2+-) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–09 ETC, 2003.

8.0-0 c6 9.Bd4 0-0 =+.

8.0-0 Qe7

9.a3 Bd6 =.

9.d3 0-0 10.a4 =+.

9.d3 0-0 10.Nc3 a6 11.Nd4 Bd7 12.a3 Bc5 13.Re1 =+.

9.d3 a6 10.a4 Nbd7 11.Nd4 c6 12.a5 Bd6 13.Nd2 0-0 14.c4 Rad8 15.cd5 cd5 16.N2f3 Rc8 17.Nh4 g6 18.Nhf3+= Rfe8 19.Rc1 Bg4 20.h3 Bf3 21.Nf3 Rc6 22.Qb3 Rb8 23.Nd4 Rc7 24.Rc7+/– Bc7 25.Qc3 Qe5 26.g3 b6 27.Qc1 ba5 28.Nb5!+/– d4 29.Nc7 Rc8 30.Qa1 Rc7+/– 31.Bd4 Qf5 32.g4 Qg5 33.f4 Qh4 34.Kg2 Rc2 35.Rf2 h5 36.g5 (36.g5 Nh7 37.Qa5+-) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–08 ETC, 2003.

9.d3 Bd6

10.a4 0-0 11.a5 Nc8 12.a6 =.

10.a4 0-0 11.Nc3 a6 12.Nd4 Rae8 13.a5 =.

10.Be5 0-0 11.Bd6 Qd6 12.d4 Ne4 13.a4 =.

10.a4 Nbd7

11.a5 0-0 =.

11.Nc3 c6 12.e4 0-0 13.ed5 =.

11.Nbd2 0-0 12.c4 c5 13.Qb3 =.

11.Nbd2 c5 12.a5 0-0=+ 13.c4 Rfe8 14.Qa4 dc4 15.Nc4= Bc7 16.Rfb1 Bd5 17.e4 Bc6 18.Qc2 Bf4 19.g3 Bc7 20.Ne3 Qd8 21.Qb3 h6 22.Rd1 Rb8 23.Bc3 b5 24.ab6 ab6 25.Nh4 Be5 26.Nhf5= Bc3 27.Qc3 b5 28.Qc1 Nh7 29.f3 Qb6 30.Qb2 Nhf6 31.Qd2 Nh7 32.d4+= Ng5 33.h4 Ne4 34.fe4+/– Be4 35.dc5 Nc5 36.Qd4 f6 37.Bh5 Re5+/– 38.Bg6 Kh8 39.Rac1 Qc7 40.Rd2 b4 41.h5 b3 42.Nd6 (42.Nd6 Bg6 43.hg6+=; 42.Qb2 Kg8+/–) 1–0. Woelfelschneider,Peter – Baer,Werner, KO–001H TSC, 2003.

11.Nbd2 c5 12.c4 dc4 13.Nc4 Bc7 14.Qb3 Bd5 15.e4 Bc6 16.Ne3 0-0 17.Nf5 Qd8 18.Qc4 Re8 19.Ng5 Rf8 20.a5 Bf4 21.Nh3 Be5 22.Be5+= Ne5 23.Qc5 Nd3 24.Bd3 Qd3 25.f3 Qb5 26.Ne7 Kh8 27.Rfc1 Bd7 28.Qb5+/– Bb5 29.e5 Nd7 30.f4 b6 31.Nd5 (31.Nd5 Rac8 32.Rc8 Rc8 33.Ng5+/–) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–11 ETC, 2004.

11.Nbd2 c5 12.d4 0-0 =.

11.Nbd2 c5 12.Ng5 0-0 13.Ne6 =.

11.Nd4 c5 12.Ne6 fe6 13.Nc3 =.

11.Nd4 c6 12.Nd2 0-0 13.a5 Bc7 14.a6 Rfb8 15.N2b3 ba6 16.f4 Qd6 17.Bf3 c5 18.Ne6 fe6 19.g4 Rb7 20.g5 Ne8 21.Ba3 Bb6 22.c4 Nc7 23.d4 Rc8 24.Rc1 Rbb8 25.dc5 Nc5 26.Bg4 Kh8+= 27.Rf3 a5 28.Rh3 Ne8?? 29.Qc2 h6 30.Nd4 (30.Nd4 dc4 31.gh6+-; < 30.gh6 a4+-) 1–0. Woelfelschneider,Peter – Baer,Werner, PCM–F TSC, 2002.

6.Bc3 Bd6

7.d4 0-0 8.Nbd2 Nb6 9.Ba5 Re8 10.Bd3 Nbd7 11.c4= b6 12.Bc3 Bb7 13.Qc2 dc4 14.Bc4 Rc8 15.Ng5 Re7 16.0-0 h6 17.Ngf3 c5 18.dc5 Rc5 19.Bb4 Rc6 20.Bd6 Rd6 21.Rfd1 Ne5 22.Nd4 Red7 23.Rac1 Nfg4 24.Bb5 Qf6 25.Nf1 Rc7 26.Qe2 Rc1 27.Rc1 a6 28.Rc7 Bg2 29.Kg2 ab5 30.f4+/– Ne3 31.Qe3+= Ng6 32.Qe8 Kh7 33.Nc2 Nf4-+ 34.Kh1 Qg6 35.Nce3 Re6 36.Qa8 Re3! 37.Rc1 Nd3 38.Rc2 Re1 39.Qg2 Qf6 40.Kg1 Qd4 41.Kh1 Qf4 42.Kg1 Qe3 (43.Rf2 Ra1-+) 0–1. Laurent,C – Moens,A, corr Belgium, 1995.

7.Be2 0-0 =+.

7.Be2 c6 8.d3 0-0 9.0-0 =+.

7.Be2 c6 8.d3 Nb6 9.0-0 Be6 10.Re1 0-0 11.a4 Nbd7 12.Nbd2 c5 13.Qb1 Qc7 14.Qb2 b6 15.a5 Rfb8 16.ab6 Rb6 17.Qa3 Rb7 18.Qa5 a6 19.Qc7 Bc7 20.Nb3 Bd6 21.Ra5 Rb5=+ 22.Raa1 h6 23.h3= Ra7 24.Reb1 ½–½. Vetter,Udo – Baer,Werner, TT–09 ETC, 2003.

7.Be2 c6 8.d3 Nb6 9.a4 Bf5 10.Nbd2 Nbd7 11.Nd4 Bg6 12.g4 h6 13.a5 c5= 14.N4b3 Qe7=+ 15.h4 Rd8= 16.Bb2 Rc8 17.h5 Bh7 18.Ra4 Be5 19.c3 Bd6 20.c4=+ d4 21.e4 Bf4 22.Ra2 0-0-/+ 23.Bc1 Ne5 24.Nf3 Bc1 25.Nc1 Neg4 26.Nd2 Ne5-+ 27.f4 Nc6 28.Bf3 Rb8 29.Ndb3 Nb4 30.Rg2 Rfc8 31.0-0 b5 32.ab6 Rb6 33.Rff2 Ne8 34.Rb2 Rcb8 35.f5 Nc6 36.Ra2 a6 37.Ra3 Ne5 38.Be2 Nf6 39.Qf1 Qd6 40.Qf2 Nc6 41.Qg3-/+ Qg3 42.Rg3 Ne5 43.Bd1 Nfd7 44.Ne2 a5 45.Kf1 Kh8 46.Nf4 a4 47.Nd2 Rb2 48.Rg2 Nb6-/+ 49.Nf3 Rg2 50.Kg2 Ng4 51.Kg3 Ne3-+ 52.Be2 Re8 53.Ra2-/+ Ra8 54.Nd5 Nbd5 55.cd5 Kg8 56.Nd2 Kf8 57.Nb3=+ a3 58.Kf4 Bf5 59.Nc5 Bh3 60.Ke5 Bg4 61.Bg4 Ng4 62.Kd4 Nf6 63.e5 Nh5-/+ 64.Nd7 Ke7 65.Nb6 Ra6 66.Kc5 Nf4-/+ 67.Kb5 Nd3 68.d6? Kd8 69.Ra1? Ra7 70.e6 fe6 71.Rf1 Ke8 72.d7 (72.d7 Rd7 73.Nd7 Kd7 74.Rd1+/–) 1–0. Kuni,Richard – Baer,Werner, TT–07 ETC, 2003.

7.Be2 c6 8.Nd4 0-0 =+.

7.Nd4 0-0

8.Nf5 Ne5 9.Nd6 Qd6 10.Be2 Re8 =+.

5.e3 Be6

6.a3 Be7 7.d4 Nbd7 8.Bd3 0-0 9.0-0 c5 10.Bf6 Bf6 =+.

6.Bb5 Nbd7 7.a3 Be7 8.d4 c6 9.Bf6 Nf6 10.Bd3 Bd6 =+.

6.c3 Be7 7.Qb3 Qc8 8.d4 c5 9.dc5 Nbd7 10.Bd6 Nc5 =.

6.Nc3 Nbd7 7.Rb1 c5 8.a3 Ba3 9.Rb7 a6 10.Qa1 Bb4 =.

6.Bd3 0-0 7.c3 Be7 8.Bf6 Bf6 9.Qc2 g6 10.Be2 c5 =+.

6.Qe2 a6 7.c3 Be7 8.d4 Nbd7 9.Qb2 Rb8 10.Bf6 Nf6 =+.

6.Be2 0-0 7.0-0 c5 8.c3 Ba5 9.Qb3 Bb6 10.d4 Nbd7 11.Qc2 Ne5 12.Ne5 Rc8 13.Qb2 Ne4 14.Nd2 Nd2 15.Qd2 Ba5 16.Qb2 cd4 17.cd4 Bc3 18.Qb7 Ba1 19.Ra1 Qb6 20.Qb6 ab6 21.Nd3 Rc3 22.h4 h6 23.a4 Rfc8 24.g4 Ra8 25.Rb1 Rc6 26.Rb4 g5 27.hg5 hg5 28.Kg2 f6 29.f4 Rc2 30.Kf1 b5 31.Rb5 (31.ab5? Ra1 32.Ne1 Rcc1-+) 31...Ra4 32.Rb8 Kg7 33.Rb7 Kh8 34.Rb8 Bg8 35.Rb2 Rb2 36.Nb2 Ra3 37.Kf2 Bh7 38.f5 Bg8 39.Nd3 ½–½. pumpkin – peacenotwar, net–chess.com, 2015.

6.Be2 0-0 7.0-0 c5 8.c3 Ba5 9.Qb3 Nbd7 10.Qb7 Ne5 11.Ne5 Bc7 12.Nc6 (12.f4 Ne4=+) 12...Qd6 13.f4 a6 (better 13...Bd7 14.Ne5 Rab8=+) 14.Bf3?? (better 14.c4=+) 14...Rab8 15.Nb8 Rb8 16.Qa7 Bc8 17.c4 d4 18.Nc3 Bb6 (18...dc3?! 19.dc3 g5 20.Rad1-/+) 19.Qb8 0–1. Pierre – Carrera, internet, 2020.

6.Be2 0-0 7.0-0 c5 8.c3 Ba5 9.Qb3 Nbd7 10.Bd6 Re8 11.Qb7 Ne4 12.Bg3 Bb6 13.Bh4 g5 (13...Rb8 14.Qa6 g5 15.Bg3 Ng3 16.fg3=) 14.d3+= gh4 (14...Rb8 15.Qc6 Rc8 16.Qa4 Nc3 17.Nc3 gh4 18.Nb5+= (worse 18.Nh4 d4-/+)) 15.de4+- Nf6 16.ed5 Bd5 17.Qa6 h3 18.Rd1 (18.gh3 Qd7 19.Nbd2 Kh8-+) 18...c4 19.Na3 Ne4 20.Bc4 Bc4 21.Nc4 (21.Qc4 Qf6 22.Nb1 Rac8+=) 21...Qf6+= 22.Nb6 (22.Qb7 hg2 23.Nce5 Nc3+=) 22...ab6 23.Qd3 hg2 24.Kg2 Qf5 25.Rg1 Kh8 26.Qe2 Nc3 (26...Re6 27.h4 Qh5 28.Nd4 Qh4 29.Kf1-/+) 27.Qd2= Ne4 28.Qe2 Rg8 29.Kh1 Rg1 (29...Qf6 30.Rg8 Rg8 31.Rc1-+) 30.Kg1 Qg4 (better 30...Rg8!? 31.Kf1 Rg6-/+) 31.Kf1= Qh3 32.Ke1 Qg2 33.Nd2 Nd2 34.Kd2 Qg7 35.Qe1 Qb2 36.Kd3 Qb5 (36...Ra2?! 37.Ra2 Qa2 38.Qb4=) 37.Ke4 f5 38.Kf4 Qc4 39.e4 fe4 40.Qe4 (40.h4 Qf7 41.Ke5 Qh5 42.Kd4 Ra4 43.Kc3 Qc5 44.Kb2 Qb5 45.Kc1 Qd3-+) 40...Rf8 41.Ke3 Qc3 42.Ke2 Qa1 43.f4 0–1. Pereira – Treoble, internet, 2020.

6.Be2 Nbd7 7.Bb2 c6 8.0-0 Qc7 ½–½. Krivoshapko,Alexander – Savostjanov,Igor, Final Omsk, 2008.

6.Be2 Nbd7 7.Bb2 c6 8.0-0 Bd6 9.Ng5 h6 10.Ne6 fe6 11.f4 Qb6 12.Qc1 0-0-0 13.a4 Bb8 14.a5 Qc7 15.c4 g5 16.cd5 ed5 17.a6 b6 18.Nc3 Rdg8 19.Qd1 gf4 20.ef4 d4 21.Na4 Qd6 22.Rc1 Nd5 23.Bd4 Nf4 24.Bf3 Nh3 0–1. elsh1403 – mercedes1500 (1605), internet, 2013.

6.Be2 Nbd7 7.Bf4 0-0 8.0-0 Be7 9.Ng5 Ne4 10.Ne4 de4 =.

5.e3 Be7

6.Bb2 0-0 7.Be2 Re8 8.Nc3 c5 9.0-0 Nc6 10.Re1 Ne4 =+.

6.Bb5 Nbd7 7.Bf6 Bf6 8.d4 0-0 9.0-0 Re8 10.Nbd2 a6 =.

6.Bc3 0-0 7.Be2 Re8 8.0-0 c5 9.Ne5 Nbd7 10.Nd7 Qd7 =+.

6.Bc3 Bg4 7.h3 Bh5 (7...Bf5 8.Be2+=) 8.g4 (8.Be2 0-0+=) 8...Bg6+= 9.g5 Nh5 10.Be2 (10.Rg1 Nc6=) 10...Bg5+= 11.Nd4 Nf6 12.h4 Bh6 13.h5 Be4 14.f3 Qd6 (better is 14...c5!? 15.Bb5 Nbd7+=) 15.fe4 (15.Kf1 0-0 16.fe4 Ne4+/–) 15...Qg3 16.Kf1 Ne4 17.Qe1 c6 (17...c5 18.Nf3+=) 18.d3 Qe1 19.Be1 Nd6 20.Bf2 Nd7 21.Nc3 0-0-0 22.Kg2 (22.Bg4 Kc7+/–) 22...Rde8 23.Rh3 f6 (23...Bg5 24.Re1+/–) 24.Bg4 Kc7 (24...Kd8 25.Nf5 Nf5 26.Bf5+/–) 25.Nf5 (25.Bg3 Ne5 26.Ne6 Kb8 27.Be5 fe5+/–) 25...Nf5 26.Bf5 Ne5 27.Rah1 (27.d4 Nc4 28.e4 b5+/–) 27...b6 (27...b5 28.e4+/–) 28.e4 de4 (28...Bd2 29.Bd4+/–) 29.d4+- Nc4 30.Ne4 Bf4 (30...a5 31.Re1+-) 31.Kf3 (31.Rf3 Bh6+-) 31...Bd6 (31...Bh6 32.Bg3 Kb7 33.Bf4+-) 32.Rh4 (32.Rg1 Re7+-) 32...Re7 (32...Kd8 33.Rg4 Bf8 34.Re1+-) 33.Re1 Rhe8 (33...Ba3 34.Rg4 Rf8 35.Ng3 (35.Bh7?! f5 36.Bg3 Kd8+=) 35...Re1 36.Be1+-) 34.Bh7 Nd2 (34...Bb4 35.Rd1+-) 35.Kg2 Ne4 36.Rhe4 (36.Be4?! f5 37.Bf5 Re1 38.Be1 Re1+=; 36.Ree4?! g5 37.Rhg4 Rh7 38.Re8 Rh5+-) 36...Re4 37.Re4 Re4 (37...Rh8 38.Bg6+-) 38.Be4 Bf4 (38...b5 39.c3+-) 39.Kf3 Bd2 (39...Bd6 40.c4 a6 41.Kg4+-) 40.Bg3 (40.c4 Kd7+-) 40...Kd7 41.c4 a6 (41...Bc3 42.Bf5 Ke7 43.Ke4+-) 42.Bf5 Ke7 43.Ke4 Bc3 (43...Bb4 44.Bc7 b5 45.c5+-) 44.Bc7 b5 45.c5 a5 (45...Ke8 46.d5 cd5 47.Kd5+-) 46.Bd6 Ke8 47.d5 cd5 48.Kd5 a4 (48...Bd2 49.c6 Bf4 50.Bg6 Kd8 51.c7 Kd7 52.Bf5 Ke8 53.c8Q Kf7 54.Qe6) 49.c6 Ba5 (49...Kd8 50.c7 Ke8 51.c8Q Kf7 52.Qe6) 50.Ke6 b4 (50...Bd2 51.c7 Be3 52.c8Q) 51.Be7 Bd8 (51...b3 52.Bg6) 52.Bg6 1–0. Janek – Vinka, internet, 2017.

6.Nc3 c5 7.Nb5 0-0?? 8.Nc7+- Bg4 9.Na8+/– Nc6 10.Bb2 Ne4? 11.Be2 d4?? 12.ed4 Bf6?? 13.0-0 Nd4? 14.Nd4 Be2 15.Qe2 Re8 16.Nc7 Qc7 17.Nb5 Qd7 18.Bf6 Ng3 19.Qd3 (19.hg3 Re2) 1–0. Baerschneider – Dziedzic, corr 3GMM–09, 1994–95.

6.Nc3 Nbd7 7.Bb5 =.

6.Nc3 Nbd7 7.Bf4 c6 8.Nd4 Bb4 9.Na4 0-0 10.Be2 Ne4 =+.

6.d4 0-0 7.Bd3 Nc6 8.Bf6 Bf6 9.c3 Ne7 10.0-0 Ng6 =.

6.Be2 c5 7.0-0 Nc6 8.Bb2 Qb6 9.Qc1 0-0 10.c4 Bf5 11.cd5 Nd5 12.Nc3 Nf6 13.Nh4 Be6 14.f4 Rad8 15.Nf3 Ng4 16.Ng5 Bg5 17.fg5 Nge5 18.Ne4 Rd5 19.Rb1 Qa5 20.Bc3 Qa2 21.Rb7+= c4 22.Qe1 Qc2 23.Qh4 Ng6-/+ 24.Nf6 gf6 25.Qh6 Nge5 26.Bh5 fg5 27.Qg5 Ng6 28.Qf6 Nce5 29.Rb2? Qe4-+ 30.Bg6 Qg6?? 31.Be5= Qf6 32.Bf6 Bd7 33.Rf3 Ra8 ½–½. Furlepa – Kuperski,Marek, corr 1. AMM Poland, 1991.

6.Be2 c5 7.0-0 Nc6 8.Bb2 Bf5 9.d3 h6 10.Nbd2= Qc7 11.c4 Nb4 12.Ne5 dc4 13.Ndc4 b5 14.Na3 a6 15.e4 Be6=+ 16.f4 Rd8 17.f5 Bd6 18.Nf3+= Bc8? 19.e5+- Bf5 20.ed6 Qd6+/– 21.Ne5 Bd3 22.Bd3 c4? 23.Qe1 0-0 24.Be4 Rfe8? 25.Kh1?? Ne4+= 26.Qe4 Nd3 27.Rad1?? Nf2!!-+ 28.Kg1 Nd1 29.Qf3 Qb6 30.Kh1 Nb2 31.Qf7 Kh8 32.Qf5 Re5 33.Qe5 Nd3 34.Qf5 Qd4 35.Nc2 Qe5 36.Qg4 Re8 37.h3 Qe4 38.Qh5 Kh7 39.Rf3 Qg6 40.Qd5 Ne1 41.Ne1 Re1 42.Kh2 Qe6 43.Qd2 Re2 (43...Re2 44.Qd4 Ra2-+) 0–1. Gilden,Lawrence C – Diekstra,John, The Hague, 1961.

6.Be2 c5 7.0-0 Nc6 8.d4 0-0=+ 9.Bf6 Bf6 10.c3 b6 11.Qd2 Bf5 12.Bd3 Qd7 13.Qc2 Bg6 14.Nbd2 Rac8 15.dc5= bc5 16.Bg6 fg6 17.e4 Ne5 18.Rad1 de4 19.Ne5 Be5 20.Qe4 Qf5 21.Qc4 Qf7 22.Qf7 Rf7 23.Nc4+= Bc7 24.g3 Rf3= ½–½. Benussi,Alberto – Wall,Bill, corr Carel CF–01, 2005.

6.Be2= Nc6 7.Bb2 0-0 8.0-0 Be6 9.d4 Ne4 10.Nbd2 f5 11.c4 a5 12.Ne4 fe4 13.Nd2 Qd6 14.a3 Bf6 15.Rb1 b6 16.Qc2 Rae8 17.cd5 Bd5= 18.Bc4 Bc4 19.Qc4 Rf7 20.d5 Bb2= 21.Rb2 Ne5 22.Qa4 Rfe7 23.Ne4 Qd5 24.Nc3 Qc4=+ 25.Qc2 Rd8 26.Nb5 c6 27.Nd4 c5?? 28.Nf5 Re6 29.Qb1= g6 30.Ng3 Rdd6 31.Ne4 Rc6 32.Rd1 Nf7 33.Nd2 Qg4 34.Nf3 Qa4 35.Rd3 Red6 36.h3 c4 37.Rd6 Rd6 38.Nd4 Qa3-/+ 39.Rb6 Rb6 40.Qb6 Qb4 41.Qb4 ab4-+ 42.Kf1 Ne5 43.Ke2-/+ Kf7 44.Kd2 Nd3 ½–½. Szczesiak,Zenon – Kuperski,Marek, corr 2. AMM, Poland, 1994.

6.Bf4 0-0 7.Be2 Re8 8.0-0 Nc6 9.Bb5 Bg4 10.h3 Bd7 =+.

5.e3 Bf5

6.c3 Be7 =.

6.c4 Nc6=+ 7.Nc3 (7.Nd4 Ne5 8.Qa4 Bd7 9.Qb4 dc4 10.Na3=+) 7...0-0 (better is 7...Ne5!? 8.Ne5 0-0=+) 8.Bf6= gf6 (better is 8...Qf6!? 9.Nd5 Qd6=) 9.Nd5+/– Bd6 (9...Re8 10.Be2+/–) 10.Be2 (10.Qb3 b6+/–) 10...Kh8 (10...Ne5 11.d4 Nf3 12.Bf3+/–) 11.0-0 (11.Qb3 b6+-) 11...Rg8 12.Ne1 (12.Qb3 b6+-) 12...Rg6 (12...Nb4 13.Nb4 Bb4 14.Bf3+/–) 13.f4 (13.d4 Rh6 14.h3 Be6+-) 13...Qf8 (13...Nb4 14.Nb4 Bb4 15.Nf3+/–) 14.Bd3 Bd3 15.Nd3 Qg7 16.Qf3 Rg8 17.Rf2 f5 (17...b6 18.Re1+-) 18.Rb1 b6 (18...b6 19.Nb6 Na5+-). Nemeth,Laszlo – Acs,Gabor, Matra Cup Gyongyos, 2002.

6.c4 Nbd7 7.Bb2 (7.Qa4!? Be7 8.Nd4 Bb1 9.Rb1=) 7...0-0=+ 8.cd5 Nd5 9.Be2 Re8 10.0-0 Qe7 11.a3 Bd6 12.Nc3 Nf4?? (better 12...Nc3 13.Bc3 Nc5=+) 13.ef4+- 1-0. Knight286 (2140) - nikipaso (2140), Rated Blitz game, lichess.org, 2016.

6.Be2 Nbd7 7.Bb2 0-0 8.0-0 c6 9.Nc3 Ne4 10.Ne4 de4 11.Nd4 Bg6 12.a3 Ba5 13.c4 (13.f4 ef3 14.Nf3 Nc5=) 13...c5 14.Nb3 Bc7 15.a4 (15.f4 ef3 16.Bf3 Rb8=+) 15...f5 (15...Ne5 16.a5-/+ (16.Nc5? Qd6 17.g3 Qc5-+)) 16.Qc2 (16.d3!?=) 16...Ne5-/+ 17.Nc5 (better 17.Qc3 Qh4 18.h3-/+ (18.Nc5?? Nf3 19.Bf3 Qh2)) 17...Qc8?? (better 17...Qd6 18.f4 A) 18...Qc5 19.Ba3 (worse 19.Be5 Be5 20.fe5 Qe5=) 19...Qa5 A1) 20.fe5?! Rad8 (20...Be5 21.Bf8 Ba1 22.Bd6+=) 21.Qc3 Qc3 22.dc3 Rfe8= (worse 22...Be5 23.Bf8 Rf8 24.Rab1+-); A2) 20.Bf8 Rf8 21.fe5+-; B) 18...ef3 19.Nb7 Qc6 (worse 19...fe2 20.Nd6 ef1R 21.Rf1 Bd6 22.c5+=) 20.gf3 Qb7-/+) 18.d4 (18.Qc3 Rf7 19.f4 ef3 20.gf3+- (worse 20.Bf3 Nf3 21.Rf3 Bh2 22.Kh2 Qc5=)) 18...Bb6? (better 18...ed3!? 19.Nd3 f4 20.ef4 Rf4+=) 19.Nb3 (19.Nb7 Qb7 20.de5 Qe7+-) 19...Nf7 (19...Nd3 20.Ba3 Re8 21.Nc1 Nc1 22.Rfc1+-) 20.c5 Bc7 21.Rac1 (21.d5 Be5+-) 21...f4 22.Bc4?? (22.ef4 Bf4 23.Rcd1+-) 22...f3=+ 23.Rfe1 Qg4 (23...fg2 24.Kg2 Qg4 25.Kh1 Qf3 26.Kg1 Kh8-+) 24.g3+- h5 25.Bf1 (25.a5 h4 26.Red1 Qh3+-) 25...h4 (better 25...Ng5 26.d5 Nh3 27.Kh1 h4+=) 26.d5?? (better 26.h3 Qe6 27.g4+- (27.gh4?! Rac8+=)) 26...hg3-+ 27.hg3 (27.fg3 Bg3 28.Re2-+ (28.hg3?? Qg3 29.Kh1 f2 30.Qf2 Qf2-+)) 27...Ng5 (better 27...Bg3 28.fg3 Qg3 29.Kh1 f2 30.Qf2 Qf2-+) 28.d6+- Nh3 29.Kh2 Bf5 30.Nd4 (30.dc7 Qh5 31.Bc4 Kh8-+) 30...Bd7? (30...Ba5 31.c6 Be1 32.Re1 bc6=+) 31.dc7 Rf6 32.c6 bc6?? (32...bc6 33.Kh1 Decoy; 32...Bc6 33.Qc4 Double attack (33.Qc4 Decoy)) 33.Qc4?? (33.Nf3 Rf3 34.Bh3 Qh3 35.Kg1=) 33...Kh7= 34.Ne2?? (34.Nf3 Rf3 35.Bg2-/+) 34...Rh6-+ 35.Nf4 (35.Qc3 Nf2 36.Kg1-+) 35...Nf4 (35...Nf2 36.Nh5 Rh5 37.Bh3 Qh3 38.Kg1 Qg2) 36.Kg1-+ Bf5 (36...Nh3 37.Bh3 Rh3 38.Qe4 Qe4 39.Rc5 Qe6 40.Rh5 Rh5 41.c8Q Rh1 42.Kh1 Qh3 43.Kg1 Qg2) 37.ef4 (37.Qf7 Nd3 38.Rc2 Ne1 39.Rc5-+) 37…Qh5 (37...Qh5 38.Bh3 Qh3 39.Qg8 Rg8 40.c8Q Qg2) 0–1. retiponziani (1885) – Louisbed (2015), ChessWorld.net, 2020.

5.e3 Bg4

6.a3 Bd6 7.Bb2 (7.Bd6 Qd6 8.d4 0-0=) 7...0-0=+ 8.c4 (8.Be2 c6=+) 8...Nbd7 9.d4 c5 10.dc5 Qa5 11.Bc3 Qc5 12.Nbd2 Rfd8 (12...Rfc8 13.Qb3=+) 13.Bb4 (13.Qb3 Bf3 14.Nf3 Rac8=+) 13...Qc7=+ 14.Rc1 Bb4 15.ab4 Qb6 (15...Ne5 16.cd5 Qb6 17.Qb3 Bf3 18.gf3 Nd5 19.f4 Nf4 20.ef4-/+) 16.Qa4 a5 17.ba5 Ra5 18.Qc2 Rc5 (18...Bf3 19.Nf3 Rc5 20.Nd2 dc4 21.Be2-/+) 19.Nb3 (better 19.Rb1!? Qa5 20.Nd4 dc4 21.Bc4-/+) 19...Rcc8-/+ 20.c5? (20.Nfd2 dc4 21.Bc4 Ne5-+) 20...Qb4 (20...Nc5 21.Nc5 Ne4 22.Qa2-+) 21.Nfd2 (better 21.Qc3 Qc3 22.Rc3-/+) 21...d4 (21...Ne4 22.Qa2-+) 22.Bd3 (better 22.Qc4!? Qc4 23.Rc4 de3 24.fe3-/+) 22...de3 23.fe3 Ne5 (23...Nc5 24.Nc5 b6 25.Qc3 bc5 26.e4-+) 24.Bc4 b5 25.Bf7? (better 25.Bf1!?-/+) 25...Nf7 (25...Kf7!? 26.0-0 Nd3 27.Rb1 Nc5 28.Nd4-+) 26.0-0 Be2 (better 26...Ne5 27.Rf4 Qa3-+) 27.Rf4-/+ Bc4! 28.Nc4 bc4 29.Rc4 (29.Qc4 Qc4 30.Rfc4 Rd3-+) 29...Qb8 30.Nd4?? (30.Rb1 Qc7-+) 30...Qe5 (better 30...Ng4 31.Nf3 Ne3 32.Qe4-+) 31.Rc3 (better 31.Re1!?-/+) 31...Nd5-+ 32.Nf3? (32.Rd3 Ne3 33.Qc3-+) 32…Qc3 (32...Qc3 33.Qc3 Nc3 34.Rc3 Nd6-+) 0-1. Palasz,K (1805) - Suliborski,J (2120), ch-POL Academic Team, 2018.

6.c3 Nc6 7.Bb5 (7.Qa4 0-0=) 7...Be7 8.Bc6 bc6 9.h3 (9.d3 0-0=) 9...Bd7 (9...Bf3 10.Qf3 0-0 11.Qf4=) 10.0-0 (10.d3 c5=) 10...0-0 11.Qc2 Nh5 (11...Rb8 12.d3=) 12.c4 Rc8 (12...dc4 13.Qc4 Rb8 14.Rc1+=) 13.Nc3 (13.Rc1 dc4 14.Qc4 Bd6+=) 13...dc4 =.

6.Be2 0-0 7.0-0 Nc6 8.Bb2 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Bg4 8.0-0).

6.Be2 c5 7.c3 Ba5 (7...Nc6 8.Bb5 (8.cb4 Bf3 9.gf3 Ne5 10.bc5 Qa5 11.0-0 d4 12.f4+=) 8...Ba5 9.Bc6 (9.Qa4 Bd7 10.Bf6 gf6 11.0-0 a6 12.Bc6+=) 9...bc6 10.Qa4+= Bd7 11.Bf6 gf6 12.0-0+=; 7...Nbd7 8.Bf6 Qf6 9.a3 Ba5 10.Qa4 Bf3 11.Bf3 Qb6 12.Bd5+=) 8.Qb3 (8.Bf6 gf6 9.Qa4 Bd7+= 10.Qb3 Qb6 11.d4 Rg8 12.0-0+=) 8...Bb6 (8...Nbd7 9.Qb7 0-0 10.Bf4 Re8 11.0-0 c4 12.Rd1+=; 8...b6 9.Bf6 gf6 10.h3 Be6 11.Bb5 Kf8 12.d4+=) 9.Bf6 c4?? (better is 9...gf6 10.c4 dc4 11.Bc4 Qe7+/– (11...Bh5 12.Nc3+/–) 12.Nc3+/–) 10.Qb5+- (10.Bd8?! cb3 11.ab3 Kd8+-) 10...Bd7 (10...Qd7 11.Qd7 Bd7 12.Bg7+-) 11.Bd8 Bb5 12.Bb6 ab6 13.Nd4 Bc6 14.Nc6 (better is 14.d3 b5+-) 14...bc6 15.0-0 b5 16.d3 Nd7 17.dc4 dc4 18.Rd1 (18.Rd1 Ke7 19.Bf3+-) 1–0. Suess,Stefan – Schiller,Wilfried, corr EU–chT3, 1983.

6.Be2 Nbd7 7.Bb2 0-0 8.0-0 Bd6 9.d3 Qe7 10.Nbd2 c5 (10...Nb6 11.Rb1=) 11.c4 Rfe8 (11...Be6 12.Ng5=) 12.Re1 (12.Qb3 dc4 13.Nc4 b6=) 12...Rad8 (12...Be6 13.cd5 Bd5 14.e4=) 13.cd5 Nd5 14.Nc4 (14.Qa4 Be6=) 14...Bc7 15.a4 (15.Qa4 Bb8=) 15...Nb4 16.Qb3 Bf3 17.Bf3 Ne5 18.Ne5 (18.Bb7? Rd3 (18...Nbd3?! 19.Be5 Be5 20.Ne5 Ne1 21.Nc6-/+; 18...Ned3?! 19.Reb1-+) 19.Bc3 Nc4 20.Qc4 Rc3 21.Qc3 Be5-+) 18...Be5 19.Be5 Qe5 20.Rad1 b6 21.h3 (21.Rd2 Rd6=) 21...Qf5 (21...Qe6!? 22.Qb1 Qd7+=) 22.d4= a5 23.e4 Qg5 24.d5 Qe5 (24...Rd6 25.Bg4=) 25.g3 Rd6 (25...Qf6 26.Bg4+=) 26.Bg2 g5 27.Rf1 Rf6 (27...Qg7 28.f4+=) 28.f4+/– c4? (better is 28...gf4 29.gf4 Qh5+/–) 29.Qb4+- (29.fe5?! Rf1 (29...cb3?? 30.ef6 Na6 31.d6+-) 30.Bf1 cb3+/–) 29...ab4 30.fe5 Rf1 31.Bf1 (31.Kf1 c3 32.Rc1 Re5+-) 31...c3 32.Bd3 (better is 32.Bc4!? Re5 33.d6 c2+-) 32...b3 33.Rc1 c2 34.Bc2! Rc8 (34...bc2 35.Rc2 Combination) 35.d6 (35.Bb3?! Rc1 36.Kf2 Rb1=) 35...Rc2 (35...bc2 36.Kf2 Kf8 37.Ke3+-) 36.Rb1 (36.Rd1 Rc8 37.Kf2 Kf8+-) 36...b2 37.d7 Rd2 38.Rb2! Rd1 (38...Rb2 39.d8Q Double attack) 39.Kf2 Rd7 40.Rb6 Rd4 (40...Ra7 41.Rb4+-) 41.a5 Re4 42.a6 Kg7 (42...Ra4 43.Kf3+-) 43.a7 Ra4 44.Rb7 Kg6 45.g4 Ra3 46.Ke2 h6 47.Kf2 Ra5 48.Kf3 Ra4 49.Ke3 f5 50.e6 f4 51.Kd3 Ra3 52.Kc4 f3 53.e7 Kf7 54.Rb8 (54.Rb8 Ke7 55.a8Q Ra8 56.Ra8+-) 1–0. Krebbers,Wilfried (2115) – Schaar,Andreas (1985), 9th Goch op, 2008.

6.Be2 Nbd7 7.Bb2 0-0 8.0-0 Ne4 9.d3= Nef6 10.Nbd2 Bd6 11.c4 c6 12.cd5 cd5 13.Bf6 (13.Rc1 Qe7=) 13...Nf6 14.d4 Re8 (14...Rc8 15.Ne5 Bf5 16.Qb3=+) 15.h3 Bf3 16.Bf3 Ne4 17.g3 (17.Be4 de4 18.Qg4=) 17...Ng3 (better 17...Qe7!?=+) 18.fg3+/- Bg3 (better 18...Re3 19.Re1 Re1 20.Qe1 Qf6+/-) 19.e4 (19.Qb3 Qg5 20.Kh1+/- (20.Qb7?! Be1 21.Kh1 Bd2+=)) 19...Qg5= 20.Kh1 (20.Bg2 Qe3 21.Kh1 de4 22.Rb1 Qd4 23.Ne4 Re4 24.Qf3+/-) 20...Qe3?? (20...Bf4!? 21.Rf2 Qh4=+) 21.Bg2 (21.ed5!? Qd4 22.Rb1+/-) 21...de4+= 22.Nc4 Qg5 23.Qg4 (better 23.Qb3 Qd5 24.Qg3 Qc4 25.Rae1+/-) 23...Qg4-/+ 24.hg4 e3 25.Ne5? (25.Rf3 e2 26.Rg3 e1Q 27.Re1 Re1 28.Kh2 Rd8=) 25...Be5 (25...Rad8!? 26.Nf3 e2-+) 26.de5 Re5 27.Bb7 Rd8 28.Rad1 (28.Kg2=+) 28...Rb8 (better 28...Rd2!? 29.Kg1 h6-/+) 29.Rd7= e2 (29...f6!?=) 30.Re1+/- h6 (30...g6 31.Kg2+/-) 31.Kg2 Rb5? (better 31...Kf8!?+/-) 32.Bf3 (32.Bd5 Kh7+-) 32...Rb2 (32...a5 33.Bd5+- (33.Be2?! Rb2+/-)) 33.Re2 (better 33.Ra7!? Re8+-) 33...Re2 34.Be2 Rb2 35.Kf3 Ra2 36.Bc4 Ra3 37.Kf4 (37.Ke2 Ra4 38.Bf7 Kh7+-) 37...Ra1 (better 37...Ra4!? 38.Rc7 Kh8+/-) 38.Bf7+- Kf8 39.Bg6 (39.Ke5 a5 40.Be6 Rf1+-) 39...a5 40.Rf7 Kg8 41.Ra7 a4?? (41...Kf8+-) 42.Ra8 1-0. minnesotawild (2260) - Morlockk (2115), Rated Blitz game, lichess.org, 2016.

6.Be2 Nbd7 7.Bb2 c6 8.h3 Bh5 (8...Bf3 9.Bf3 0-0 10.0-0=+) 9.c4 (9.Nc3 0-0=) 9...0-0 (9...dc4 10.Bc4 0-0 11.0-0=+) 10.Qb3 (10.cd5 cd5 11.0-0 Nc5=) 10...Qb6 (10...a5 11.cd5 Nd5 12.Qd1=+) 11.0-0 dc4 12.Qc4 Rfe8 13.Nc3 Qc5 (13...Bf3 14.gf3 Qa5 15.f4=) 14.Qb3+= Rab8 15.Rac1 Qb6 16.Na4 (16.d4 Bc3 17.Qc3 Ne4+=) 16...Qa5= 17.d3 Bd6 18.Bc3 Qf5 19.e4 Qg6 20.Nh4 (better 20.Bd4!?+=) 20...Qg5=+ 21.Bh5 Qh5 (21...Nh5 22.Nf3 Qh6=+) 22.Nf5+= Bf4 23.Rce1 (23.Bf6 Nf6 24.Rc5 Qg6+=) 23...Ne5 (better 23...b5!? 24.Nb2 g6=+) 24.Be5+= Re5 25.Nc3 b6? (25...g6 26.d4 Re6 27.Ne3+/-) 26.d4 (26.Ne2!? Rf5 27.ef5 Qf5 28.Nf4 Qf4 29.Re7+-) 26...Re6 (26...Ree8 27.Qc2 Qg6+=) 27.d5 (better 27.Ne2!? Bc7 28.Neg3+/-) 27...cd5= 28.Nd5 Ne4?? (better 28...Nd5 29.Qd5 Qg5=) 29.Nf4 (better 29.Nfe7 Re7 30.Ne7 Kf8 31.Re4+-) 29...Qf5 30.Ne6 fe6 31.Re2 (31.Qd3 Nc5 32.Qf5 ef5+-) 31...Nc5 32.Qg3 (32.Qa3 Ra8+-) 32...Rd8 33.Re5 Qc2 (33...Qd3 34.Re3 Qd6 35.Qd6 Rd6 36.Rb1+/-) 34.a3 (better 34.Re3 Qd2 35.Rf3+/-) 34...Rd3? (better 34...Qd3+/-) 35.Re3+- Rd8 36.Qc7 Rd7?? (better 36...Qd2 37.Qa7 Qd6+-) 37.Qb8 Kf7 38.Rf3 Kg6 (38...Qf5 39.Rf5 ef5+-) 39.Qg3 Kh6 40.Qf4 g5 (40...Kh5 41.Re1 Qd1 42.Rd1 Rd1 43.Kh2 Nd3 44.Qg4 Kh6 45.h4 Rh1 46.Kh1 g6 47.Rd3 e5 48.Rd7 b5 49.Qg5) 41.Qf8 Kh5 42.Rf6 (42.g4 Kh4 43.Qh6) 42...h6 (42...Qf2 43.R1f2 Rd1 44.Kh2 Rh1 45.Kh1 Kh4 46.Kh2 e5 47.Rh6) 43.Qh6 (43.Rh6) 1-0. Chumarova,Karina (1805) - Moiseev,Sergey S, 6th Sochi Amateur Open, 2019.

6.Be2 Nbd7 7.Bb2 Bd6 8.h3 Bf3 9.Bf3 b5 (9...0-0 10.0-0=) 10.0-0= 0-0 11.a4 b4 12.c4 c6 13.cd5 cd5 14.d4 (14.Qb3 Qa5=) 14...a5 (14...Nb6 15.Qb3=+) 15.Nd2 Re8 16.Rc1 Nb6 17.Rc6 (17.Be2 Rb8=+) 17...Rc8 18.Qc2 (better is 18.Rc8!? Qc8 19.Be2=+) 18...Qd7-/+ 19.Rc1 Rc6 20.Qc6 Na4 21.Ba1 Nc3 (21...Qc6!? 22.Rc6 Re6=+) 22.Qd7= Nd7 23.Bc3 bc3 24.Rc3 Bb4 (24...Nf6 25.Nb3 a4 26.Nc5=) 25.Rc7 Nf6 (< 25...Bd2 26.Rd7 Kf8 27.Kf1+/–) 26.Nb3 Ra8 27.Nc5 a4 28.Rb7 Bc5=+ 29.dc5 a3 30.Rb1 Kf8 31.g4 a2 32.Ra1 Ke7 33.Kf1 Ne4 34.Ke2 Kd7 35.Be4 de4 36.Kd2 Kc6 37.Kc3 Kc5 38.Kb3 Kb5 39.Kc3 Ra3 40.Kb2 Kb4 41.Kc2 g5 42.Kb2-/+ Rb3 43.Kc2?? Ka3-+ 44.Rd1 Rb2 45.Kc3 Rb1 46.Rd7 a1Q (47.Kc4 Rc1 48.Kd5 Qa2 49.Ke4 Qe6 50.Kf3 Qd7 51.e4 Qd3 52.Kg2 Qf1 53.Kg3 Rc3 54.f3 Qg1#) 0–1. Schumacher,Dirk – Beerbaum,Joerg, Landesliga Ost MVP, 1996.

6.Be2 Nbd7 7.Bb2 Qe7 8.c4 (8.0-0 0-0=+ 9.Nc3 c6 10.a3 Bd6 11.Nd4=+) 8...dc4 9.Bc4 Nb6 (9...0-0 10.0-0 Rfe8 11.d4=+) 10.Be2 0-0 11.0-0 Bf3 (11...Rfe8 12.Qc2=+) 12.Bf3= Nc4 (12...c6 13.d3=) 13.Bc3 (13.Bf6!? Qf6 14.d4+=) 13...Bc3= 14.Nc3 Rad8 15.d4 c5 (15...Ne3!? 16.Qe1 Nf5 17.Qe7 Ne7 18.Bb7 Rd4=+) 16.Qe2 cd4 17.Qc4 dc3 18.Qc3 Rc8 19.Qd4 b6 20.Rac1 Rcd8 21.Qc4 Rd2 22.a4 (22.Rfd1 Rd1 23.Rd1 Rd8+=) 22...Rfd8= 23.h3 g6 (23...Ne8 24.Rfd1=) 24.Rc2 Rc2 25.Qc2 Qb4 26.Qc6 Kg7 27.g4 Rd6 28.Qc7 Rd7 29.Qe5 Re7 (29...Qa4? 30.g5 Qb4 31.gf6 (31.Qf6?! Kg8+-) 31...Kh6 32.Qe8+-) 30.Qa1 Qc5 31.Rd1 Qe5 32.Rd4 Nd7 33.Qa3 Nc5 34.a5 Rd7 35.ab6 ab6 36.Rd7 Nd7 37.Bc6 Nc5 38.Qa7 Qb2 39.Bd5 Qf6 40.f4 h6 41.Qc7 Nd3 42.Qa7 Nf4 43.ef4 Qd4 44.Kh2 Qf4 45.Kh1 ½–½. Schiffler,L – Hrudka,E, corr, 1951.

6.Be2 Qe7 7.0-0 Bf3 8.Bf6 (8.Bf3 Qe5 9.d4 Qe6 10.c4 Nc6 11.Qb3 0-0-0 12.Rc1 Rhe8-+; 8.d4 A) 8...Be4 9.c3 (9.Nd2 0-0 10.a3 Bd6 11.Bd6 Qd6 12.c4 c5-+; 9.a3 Bd6 10.Bd6 Qd6 11.Nd2 0-0 12.Qb1 Qc6-+; 9.c4 dc4 10.a3 Ba5 11.Bc4 Nc6 12.Bf6 Qf6-+) 9...Bd6 10.Bd6 Qd6 11.Qb3 b6 12.c4 dc4-+; B) 8...Be2 9.Qe2 Nc6 10.Bf6 Qf6 11.a3 Be7 12.Nc3 0-0-0-+) 8...Qf6 (< 8...gf6 9.Bf3 c6 A) 10.e4 d4 (10...de4 11.Be4+/– Kd8 12.Re1 Re8+/–) 11.Bg4 Bd6 12.Bf5 Nd7+=; B) 10.d4 Rg8 11.a3 Ba5 12.Qd3 Nd7+/–) 9.Bf3 Qa1 10.c3 (10.Bd5 Nc6 11.Qg4 Bd6 12.Qe4 Kf8-+) 10...Qa2 (10...Bd6 11.Qb3 Na6 12.d4 c6=) 11.cb4 c6 12.Nc3 (12.b5 a5-+) 12...Qb2 13.Nd5?! (13.b5 0-0 14.bc6 bc6 15.Nd5 cd5 16.Bd5-+) 13...cd5 14.Qa4 Nc6 (14...Nc6 15.Bd5 0-0-+ (15...Qd2 16.Bc6 bc6 17.Qc6 Ke7 18.Qe4 Kd7 19.Qg4 f5 20.Qg7 Ke6 21.Ra1-/+)) 0–1. Suess,Stefan – Virmich, corr, 1986.

6.h3 Bf3 7.Qf3 Nbd7 8.Bc3 Bc3 9.Nc3 c6 10.Rb1 Rb8 11.Qg3 0-0 12.Be2 b5 13.Qd6 Re8 14.d4 b4-/+ 15.Rb4?? Qa5 -+.

6.h3 Bh5 7.Be2 Nbd7= 8.Bb2 Qe7 9.c3 (9.a3 Bd6 10.g4 Bg6 11.g5 Ne4 12.Bg7 Rg8 13.Bd4 Ng5) 9...Bd6 10.d4 (10.c4 dc4 11.Bc4 0-0 12.Nc3 c6 13.Be2 Nc5) 10...0-0 (10...Ne4 11.0-0 0-0 12.Nbd2 Nb6 13.Ne4 de4) 11.Nbd2 Rfe8 (11...Ne4 12.Ne4 de4 13.Nd2 Be2) 12.0-0 c6 (12...Nb6 13.g4 Bg6) 13.Nh4 (13.c4 Ne4= (13...b6+=)) 13...Be2 14.Qe2 g6 15.Nhf3 Nh5 (15...b5 16.Rfb1+=) 16.Qd3 f5 17.c4 Ndf6 18.Qb3 Kh8 19.Ne5 Ne4 20.Ne4 de4 21.c5 Be5 22.de5 Ng7 (worse is 22...Qc5 23.e6 Kg8 24.Rfd1+/–) 23.Rfd1 Ne6 24.Rac1 (24.Rd6 Kg7+= (24...Nc5 25.e6 Qg7 26.Bg7 Kg7 27.Qc3 Kh6 28.Qc5+-)) 24...Kg7 (24...Nc5?? 25.e6 Kg8 26.Rc5+-) 25.Rd6 Kh6 26.Qc4 Nc7 27.g4 Nd5= 28.Kg2 Rf8 29.Rh1 Qh4 30.gf5?? Rf5-+ 31.Qe2 Raf8 32.Rf1 Rf3 33.Rg6 hg6 34.Re1 Rf2 35.Qf2 Rf2 36.Kg1 Qg3 37.Kh1 Qh2# (37...Qg2#) 0–1. Tomasi,Stephane (1750) – Girard,Jean Pierre (1820), Provence–ch, 1995.

6.c3 Bd6

7.Qa4 Bd7 8.Qb3 Bc6 9.d4 0-0 10.Bd3 Re8 11.0-0 Ne4 12.Qc2 Qd7 13.Nbd2 Qg4 14.Bd6 cd6 15.Rab1 Nd7 16.Qb2 Rac8 17.Qa3 b6 18.h3 Qe6 19.Rb2 Ba8 20.Qa7 +=.

7.Qa4 Bd7 8.Qb3 Bc6 9.d4 Nbd7 10.Bd6 cd6 11.Bd3 0-0 12.Nbd2 Re8 13.0-0 Ne4 14.Rab1 Rc8 15.Rb2 Re6 16.Rfb1 Ndf6 17.Qa3 Ng4 18.Nb3 Nc3 19.Bf5 Nh2?? 20.Nh2 +-.

7.Qa4 Bd7 8.Qb3 Bc6 9.d4 Be5 10.Ne5 Qd6 (10...Nbd7 11.Nc6 bc6 12.Qb7=) 11.c4 dc4 (11...Nbd7!? 12.Nc6 Qc6+=) 12.Bc4+/– (12.Qc4?! Bd5 13.Qa4 Nbd7+=) 12...Bd5 13.Nc3 0-0?? (better is 13...Bc4 14.Nc4 Qc6+/–) 14.Nd5+- Nd5 15.Bd5 Nc6 16.Bf7 Kh8 17.f4 Ne5 18.fe5 Qc6 19.0-0 Rad8 20.Rac1 Qd7 21.e6 +-. pierre – IroniteNC, ChessHere.com, 2005.

7.Qa4 Bd7 8.Qb3 Be5 9.Ne5 b6 (9...Bc8 10.d4=) 10.c4 Be6 11.Qb5 (11.d4 0-0=) 11...Bd7 12.Qb3 ½-½. Gervasio,Ricardo (2255) - Helstroffer,Arnaud (2260), Paris-ch opB, 2005.

7.Bf6 Qf6 8.Qb3 0-0 (worse is 8...Bf3 A) worse is 9.gf3 Qf3 10.Qb7 0-0+= (worse is 10...Qh1 11.Qc8 Ke7 12.Qh8+/–); B) 9.Qb7 0-0 10.Qa8+/–) 9.Qb7 Nd7 (worse is 9...Bf3 10.Qa8 Nd7 11.Qa7+/–) 10.Qd5 Nb6 11.Qg5 Qe6 12.Nd4 Qe4?? (better is 12...Qc8+/–) 13.f3+- Bf3 14.gf3 (14.Nf3?! f5 15.c4 Na4+-) 14...Qe8 (14...Qg6 15.h4+-) 15.Nf5 g6 (15...Be5 16.Ng7! f6 17.Qg4+-) 16.Qh6 (16.Qf6 Bg3 17.hg3 gf5 18.Qg5 Kh8 19.Qh6 Qe3 20.de3 Nc4 21.Qh7) 16...Be5 17.Rg1 Kh8 (17...Qe6 18.Bd3+-) 18.f4 Bf6 (18...Qe6 19.Nd4 Bd4 20.cd4 Nd5+-) 19.Rg3 Qe6 20.Rh3 (20.Rh3 Bh4 21.Rh4 Qe3 22.de3 gf5 23.Qh7) 1–0. aspasio – pallen, net–chess.com, 2013.

5.g3 c5

6.Bb2 Nc6 7.Bg2 0-0 8.0-0 Re8 9.e3 Bg4 10.h3 Be6 11.d3 (11.Re1 Ne4=+) 11...Qd7 12.Kh2 (12.a3 Ba5=+) 12...d4-/+ 13.e4 c4 14.Ng5 c3 15.Bc1 b5 (15...h6 16.Ne6 Re6 17.f4=+) 16.f4=+ h6 17.Ne6 fe6 18.e5 Nd5 19.Be4 Nce7 20.Qf3 (20.Na3 Rac8-/+) 20...Rad8-/+ 21.a4 (21.Na3 Bc5-/+) 21...a6 (21...ba4!? 22.g4 Rf8-/+) 22.Na3=+ Nf5 (22...Ba3 23.Ba3 b4 24.Bc1=+) 23.ab5= ab5 24.Rb1 Ba3 (24...Nfe7 25.Rb3=) 25.Ba3 Nfe3 (25...Ra8 26.Bd5 ed5 27.Rb3=) 26.Rf2 b4 27.Bc1 (27.Bb4? Rb8 28.Bd5 Nd5-+) 27...Qe7 (27...Rb8 28.Be3 de3 29.Re2+=) 28.Re2 (better 28.Be3!? de3 29.Re2+-) 28...Rb8= 29.Rb3 Qa7 (better 29...Qc5!?=) 30.f5+- Rf8 31.Bd5 Nd5 32.f6 Qf7 (32...gf6 33.Qg4 Double attack (33.Bh6 Deflection)) 33.Qg4 Kh7 34.fg7 Rg8 35.Qd4 Attacks the backward pawn on b4 (35.Rg2 Rg7 36.Qd4 Rf8+=) 35...Rg7 (35...Qf1 36.Qe4 Kg7 37.Rb1+=) 36.Qh4 (36.Rf2!? Qg6 37.Qh4+-) 36...Rg6+= 37.Bf4 (37.Qe4 Qf1 38.h4 Kh8= (38...Qc1? 39.h5 Qg5 40.hg6 Qg6 41.Rb1+-)) 37...Rf8= 38.Rf2 (38.Rb1 Qa7 39.Rf1 Qa6=) 38...Qa7=+ 39.Kg2?? (better 39.Rf1=+) 39...Qd4-+ 40.Kf1 Rfg8 (40...Rf5 41.Rb1 Rgg5-+) 41.Rf3 (41.Re2 Qa7 42.Rf2 Qa1 43.Ke2 Ra8=+) 41...Nf4 (41...R8g7 42.Rb1=+) 42.Qf4= Qf4 43.gf4 (43.Rf4 Rg3 44.Rbb4 Rg1 45.Ke2 Rc1=) 43...Rg1 44.Ke2 Rc1 45.Rb4 Rg2 (45...Rc2 46.Ke3 Rh2 47.f5 ef5 48.Rc4=) 46.Ke3 Rcc2 (worse 46...Rgc2 47.Rb7 Kh8 48.Rc7+-) 47.Rc4 Rc1 (47...Rce2 48.Kd4 c2 49.Rf1=) 48.Rf2 (48.f5 ef5 49.Rf5 Re1 50.Kf3+=) 48...Rg3 (48...Rf2 49.Kf2 Kg6 50.Rc7=) 49.Rf3 (49.Kd4 A) 49...Rh3? 50.Rc7 (50.Rc3?! Rc3 51.Kc3 Kg6=) 50...Kh8 51.f5 Rh4 52.Kc5 ef5 53.e6+-; B) 49...Rd1 50.Rc3 Kg6 51.f5 ef5+-) 49...Rg2+= 50.d4 (better 50.f5 ef5 51.Rf5 Re1 52.Kd4+=) 50...c2=+ 51.Rc7 (51.f5 Re1 52.Kf4-/+) 51...Kg6 (51...Kg8!? 52.f5 Re1 53.Kf4 c1R 54.Rc1 Rc1 55.fe6 Kf8-+) 52.f5= ef5 53.Rc6 Kg5 54.h4 Kh4 (better 54...Kg4 55.Rf4 Kh3 56.Rf3 Kh2=) 55.Kf4= (55.Rh6 Kg5 56.Rc6 Re1 57.Kd3 Rd1 58.Ke3 c1Q 59.Rc1 Rc1-+; 55.Rf5 Re1 56.Kd3 Rd1 57.Ke3 Rg3 58.Ke4 Rg4 59.Ke3 c1Q 60.Rc1 Rc1-+) 55...Rg4 (better 55...h5!? 56.Kf5 Rd1=) 56.Kf5+- Rg5 57.Kf6 Kh5 (57...Rg8 58.Rfc3 Rg2 59.R6c5+-) 58.Rh3+- Kg4 59.Rh6?? (better 59.Rhc3 Rf1 60.Ke7+-) 59...Rf1-+ 60.Ke7 Rg7 61.Kd6 c1Q 62.Rc1 Rc1 63.d5 (63.e6 Ra7 64.e7 Re1-+) 63...Ra1 (63...Rg8 64.Rh7 Rd1 65.e6-+) 64.e6 Kg5 (better 64...Ra6!? 65.Kc5 Ra5 66.Kc6 Ra8-+) 65.Rh2-/+ Raa7 (65...Rga7 66.Rg2 Kf6 67.Rf2 Kg7 68.Rg2 Kf8 69.Rb2-/+) 66.Ke5=+ Rgb7 (66...Ra5!?=+) 67.Rg2= Kh6 68.Kf6 Kh7 69.d6 Rb1 70.d7 Rd1?? (better 70...Rf1 71.Ke7 Rd1=) 71.Rg7 (71.Rh2 Kg8 72.e7 Ra6 73.Ke5 Re1 74.Kd5 Kf7+-) 71...Kh8?? (71...Kh6 72.d8Q! Rf1 (72...Rd8?? 73.Ra7 Rf8 74.Ke5+-) 73.Ke5 Kg7+-) 72.Rf7 (better 72.d8Q Rd8 73.Ra7 Rf8 74.Kg6 Rg8 75.Kh6+-) 72...Kg8?? (72...Ra8 73.Ke7 Kg8 74.Rf5=) 73.Rg7 (better 73.e7 Ra6 74.Kg5 Rg1 75.Kh5 Rh1 76.Kg4 Rg1 77.Kf3 Rf1 78.Kg2 Rf7 79.e8Q Rf8 80.d8Q Re8 81.Qe8 Kg7 82.Kf3+-) 73...Kh8 74.d8Q! White prepares e7 74...Rd8 75.Ra7 Rd1 (75...Rf8 76.Ke5 Re8+-) 76.e7 Rf1 77.Kg5 Rg1 78.Kf5 Rf1 79.Ke6 Re1 80.Kd7 (80.Kf7 Rf1 81.Ke8+-) 80...Rd1 (80...Kg7+-) 81.Kc8 (81.Kc7 Re1 82.Kd8 Rd1 83.Rd7 Kh7 84.Rd1 Kg6 85.e8Q Kg5 86.Rf1 Kg4 87.Qg6 Kh4 88.Rh1) 81...Re1 (81...Rc1 82.Kd8 Rd1 83.Rd7 Kg7 84.Rd1 Kg6 85.e8Q Kg5 86.Rf1 Kg4 87.Qg6 Kh4 88.Rh1) 82.Kd8 Rd1 83.Rd7 (83.Rd7 Rd7 84.Kd7 Kh7 85.e8Q Kh6 86.Qe5 Kg6 87.Ke6 Kh7 88.Kf6 Kg8 89.Qc7 Kf8 90.Qf7) 1–0. Valenta,Vit (2145) – Tersinsev,Andrey (2160), 19th IPCA World Individual Chess Champi, 2019.

6.c3 Ba5 =+.

6.Bg2 0-0 7.0-0 Nc6 8.Bb2 Be6 9.e3 (9.Nc3 Qe7+=) 9...Re8 10.Nc3 Bc3 11.Bc3 d4 12.Bb2 Qd7 (12...Qb6 13.Qc1+=) 13.d3 Rad8 14.Qd2 Bh3 15.Rfe1 Bg2 16.Kg2 h6 (16...Qd6 17.Rab1=) 17.a4 (17.ed4 cd4 18.Qf4 Nd5=) 17...Nh7 (17...Ne5 18.Ne5 Re5 19.Kg1+=) 18.ed4= Re1 19.Re1 (worse is 19.Ne1 Nd4 20.Bd4 Qd4-/+) 19...cd4 20.Re4 Qd5 21.Qe1 Nf6 22.c4 (22.Re2 b6=) 22...dc3+= 23.Qc3 a6 (23...Qd3 24.Qd3 Rd3 25.Bf6 gf6 26.Rf4+=) 24.Re3 b5 25.ab5 ab5 26.Re1 Re8 27.Qc1 Re1 28.Qe1 b4 (28...Qd3? 29.Bf6 Qd5 30.Bc3+-) 29.Bf6 gf6 30.Qe4 Qe6 (30...Qe4 31.de4 b3 32.Nd2=) 31.Nd2= Kg7 32.Qc4 h5 33.h3 Qc4 34.dc4 Nd4 35.f3 b3 36.Kf2 b2 37.Ke3 Nf5 38.Kd3 Ng3 39.c5 Kf8 40.Kc2 Ke7 41.Kb2 Ne2 42.Kb3 Nf4 43.h4 Ng2 44.Ne4 Nh4 45.Ng3 Nf3 46.Nh5 Ne5 (46...f5 47.Kc4=) 47.Ng7 Kd7 48.Kc3 Kc6 49.Kd4 Nf3 50.Ke4 Kc5 (50...Nh4 51.Nf5=) 51.Kf3 f5 52.Kf4 Kb4 53.Kf5 Kc3 54.Kf6 Kb2 55.Kf7 ½–½. Prince W – samurai, chessworld.net, 2015.

6.Bg2 Nc6 7.Bb2 (7.c3 Ba5=+) 7...Be6 (7...0-0 8.0-0=+) 8.0-0 0-0 9.a4 (9.Ne5 Re8=+) 9...Ba5 (9...Qe7 10.d4-/+) 10.Na3 (10.Ng5 Bf5=+) 10...Qe7 (10...Re8 11.Rb1=+) 11.Rb1 Nd7 (11...Ne4 12.c3=+) 12.Bc1 (12.Re1 Rad8=+) 12...Rab8 13.d3 Bc7 14.Nb5= Ba5 15.Bf4+/– Rfe8 16.Bb8 Rb8 17.c4 dc4= 18.dc4 Bc4 19.Qc2 Be2 20.Rfc1 Nb4 21.Qd2 Nc6 22.Nc3 Ba6 23.Re1=+ Qf6?? 24.Qd7+- Rf8 25.Nd5 Qd8 26.Qd8 Rd8 27.Ne7 (27…Ne7 28.Re7+-; 27.Re3 Kf8 28.Nc3 Nd4+-) 1–0. Siino,Christian (1770) – Lebouchard,Charles (1820), FRA–ch op–A Auxerre, 1996.

5.g3 Nc6

6.Bb2 0-0 (--> 4.Nf3 Nc6 5.Bb2 0-0 6.g3 d5).

6.Bg2 Ne5 7.Ne5 0-0 8.c3 Bd6 9.Nf3 Re8 10.d3 Qe7 11.e3 Bf5 12.0-0 c5 13.Re1 Rad8 14.Nbd2 (better 14.Qe2!?-/+) 14...Bd3-+ 15.Bf1 Bf1 16.Nf1 (16.Rf1 Ne4-+) 16...Ne4 17.Qc2 (17.Qb3 b6-+) 17...Qf6 18.c4 (18.Kg2 Nc3 19.Rac1-+) 18...Qf3 19.cd5 (19.Qe2 Qe2 20.Re2 dc4 21.Rc1-+) 19...Ng5 20.h4 Nh3 (20...Nh3 21.Kh2 Nf2-+) 0-1. Haroldlee123 (1815) - marekt (2470), ChessWorld.net, 2013.

6.Bg2 Ne5 7.Ne5 Qe7 8.Nd3 Bd6 9.0-0 c5 (9...0-0 10.e3-/+) 10.e3 (10.c4 dc4 11.Nb2 Be5=+) 10...Bg4-/+ 11.Qc1 Rd8 12.Nc3 0-0 (12...c4 13.Nf4 Bf4 14.ef4=+) 13.Nb5 (13.Bd5 b5 14.Bg2 b4=+) 13...Bb8-/+ 14.Qa3 a6 (14...b6 15.h3 Be6 16.Nd4-/+) 15.Nc3=+ Bd6 16.Qa4 (16.Rfb1 Rfe8=+) 16...Bd7 (16...c4 17.Nf4 Bf4 18.gf4-/+) 17.Qh4=+ b5 (17...Be6 18.a4=+) 18.Nf4 Can d5 get defended? (18.a4 ba4 19.Na4 c4=+) 18...Bf4 (18...Bf5 19.Rac1-/+) 19.Qf4=+ b4 20.Nd5 (20.Ne2 Bg4 21.Nc1 c4=+) 20...Nd5-/+ 21.Bd5 Bh3 22.Bg2 Bg2 23.Kg2 Rd2 24.Qc4 (24.Rfc1!?-/+) 24...Qe3-+ 25.Rae1 Rf2! 26.Rf2 Qe1 27.Qc5 Rb8 (27...Re8 28.Qd5 Qe6 29.Qf3-+) 28.Qc4 (28.Rf7 Kf7 29.Qc7 Ke6 30.Qb8 Qe2 31.Kh3 Qf1 32.Kh4 Qf6 33.Kh3 Qf5 34.g4 Qf1 (34...Qc2 35.Qg8 Kd7 36.Qg7 Kc6 37.Qf6 Kb5 38.Qf5 Qf5 39.gf5-+) 35.Kg3 Qe1 36.Kh3 Qc3 37.Kh4 Qf6 38.Kh3 Qh6 39.Kg3 Qe3 40.Kg2 Qd4 41.Qc8 Ke5=+) 28...Qe6-+ 29.Qf4 Qd5 30.Rf3 (30.Kg1!? Qb7 31.Qd6-+) 30...Rc8 31.Kh3 (31.Kg1 g6-+) 31...h5 (31...Qe6!? 32.Kg2-+) 32.Qb4?? (better 32.Qf5 Qe6 33.Qe6 fe6 34.a3-+) 32…Qf3 (32...Qf3 33.Qf4 Qe2-+) 0-1. martillaco (2095) - OnlyPolishOpening (2275), lichess.org, 2020.

5.g3 Bg4

6.Bg2 0-0 7.h3 (7.c3 Be7=+) 7...Bh5 (7...Bf3 8.Bf3 Re8 9.Bb2=+) 8.c3= Ba5 (8...Bc5 9.d4 Bb6 10.0-0=) 9.0-0 (9.Qb3 Nbd7=) 9...Nbd7 10.Bf4 Re8 11.d3 Qe7 12.Re1 Bb6 13.g4 Bg6=+ 14.Bg3 c6 15.Nh4 Ne5 16.e3 h6 17.f4 Ned7 18.Ng6 Be3 19.Kf1?? fg6-/+ 20.d4 Nb6 21.Qf3 Nc4 22.Bf2 c5?? 23.g5+/– hg5 24.fg5+= Nh5? 25.Qd5 Kh7 26.Re2 Nf4 27.Qc4+/– Ne2 28.Qe2 Rf8 (28...Rf8 29.Bf3 Rf3 30.Qf3 Rf8-/+) 0–1. Otto,N – Berndt,K, M109D, 1993.

6.Bg2 Nc6 7.Bb2 =+.

6.Bg2 Nbd7 7.Bb2 c6 8.0-0 0-0 9.c3 (9.Nc3 Re8+=) 9...Bd6-/+ 10.d4 Qe7 11.Nbd2 Ne4 (11...h5 12.Re1=) 12.h3 (12.Ne4 de4 13.Nd2 Nf6=) 12...Bf3 (12...Nd2 13.Qd2 Bh5 14.Rfe1+=) 13.Bf3 Ndf6 14.Ne4 Ne4 15.e3 f5 16.Kg2 (16.Qd3 Qf7+=) 16...Rf6 17.h4 (17.Qc2 Rg6 18.Kg1 Qg5-/+) 17...Rg6 18.Bh5 Qh4?? (better is 18...Ng3 19.Bg6 Nf1 20.Qf1 hg6-+) 19.Bg6+= Ng3 20.Bf5?? (better is 20.Bh7 Kh7 21.Rg1 (21.fg3?? Qg3 22.Kh1 Qh2) 21...Qe4 22.Qf3 Qf3 23.Kf3+=) 20...Nf5-+ 21.Rh1 Ne3! 22.fe3 (22.fe3 Qg3 Mate attack) 22...Qg3 23.Kf1 Rf8 24.Ke2 Rf2 0–1. teshub (1850) – zrenjanin (1955), gameknot.com, 2009.

4...d6

5.a3 Bc5 6.Bf4 Nh5 =.

5.a3 Nc6 6.ab4 Ne5 7.e3 Bg4 (7...Nd5 8.b5=+) 8.h3 (8.Be2!? Qe7 9.0-0=) 8...Nf3=+ 9.gf3 Be6 10.Nc3 0-0 11.Bg2 Re8 12.f4 d5 13.b5 d4 14.Ne4 Nd7 (14...Ne4!? 15.Be4 Bd5-/+) 15.Ng5= (15.ed4 f5 16.d5 Bd5-+ (16...fe4?! 17.de6 Re6 18.f5-/+)) 15...Bc4 (15...Qc8 16.Qf3 (16.Ne6?! Re6 17.Qf3 c6=) 16...Nc5 A) 17.ed4?? Bd5 18.Kd1 Bf3 19.Bf3 Ne6-+; B) 17.Ne6 Qe6 (< 17...Re6 18.Qd5 Qf8 19.Qd4+/–) 18.Qd5 Qd5 19.Bd5 a6=; C) 17.Qh5+=) 16.Bb7+= Rb8 17.Bg2 f6 (17...Bb5 18.Qh5 (18.Ra7?! Nf6=) 18...h6 19.Qf7 Kh8 20.Ne6 Re6 21.Qe6+-; 17...Rb5 18.d3 Bd5 19.Bd5 Rd5 20.Qh5+=) 18.d3 fg5 (< 18...de3 19.dc4 fg5 20.Bc6+/–) 19.dc4 de3 20.Bc6 Re7 21.Qd5 Rf7? 22.Rd1 +-.

5.Bb2 Bc5 6.d4 Bb6 7.Nc3 c5 8.e4 cd4 9.Bb5 Bd7 10.Nd4 Bb5 11.Ndb5 Qd7 12.Nd6 Ke7 13.Nf5 Ke6 14.Ng7 Ke7 15.Nd5 Kf8 16.Bf6 Qb5 17.Qg4 Qc5 18.Be7 1–0. mtra – goldenangel, Internet, 2002.

5.Bb2 Ne4?? 6.c3+- (6.Bg7?! Rg8 7.Bb2 Nc6+=) 6...Qe7 (6...Nc3 7.Nc3 0-0 8.a3+-) 7.cb4 Nc3 (7...0-0+-) 8.Nc3 (8.Nc3 0-0 9.Nd5+-) 1–0. De Visser,Arno – Stobbe,Arthur, corr, 1993.

5.Bb2 h6 6.e3 Be6 7.c4 Nbd7 8.Nc3 Bc3 9.Bc3 0-0 10.d4 d5 11.Qb3 dc4 12.Bc4 Bc4 13.Qc4 b6 14.0-0 Ne4 15.Bb4 c5 16.dc5 Ndc5 17.Rad1 Qc8 18.Rd4 Nf6 19.Ne5 Qc7 20.Ng4 Ng4 21.Rg4 Rfc8 22.Rd1 Ne6 23.Qb3 Qc2 24.Qb1 Qb1 25.Rb1 Rc2 26.a3 Rac8 27.h3 a5 28.Bd6 Rc1 29.Rc1 Rc1 30.Kh2 Rc2 31.Kg3 Rc6 32.Be5 g6 33.Ra4 Kf8 34.h4 h5 35.Bd4 Ke7 36.Ba1 Rc2 37.Bd4 Rc6 38.Be5 Kd7 39.Kf3 Rc2 40.g4 hg4 41.Rg4 Ra2 42.Ra4 Nc5 43.Rd4 Ke6 44.Bc7 Ra3 45.Bb6 Nd7 46.Bd8 Ra2 47.Re4 Ne5 48.Kg3 f5 49.Rd4 Ng4 50.Rf4 a4 51.Bb6 Ne5 52.Rd4 Ng4 53.Rf4 Ne5 54.e4 Nd3 55.ef5 gf5 56.Rf3 Ne5 57.Rc3 Rb2 58.Bd4 Rb3 59.h5 Rc3 60.Bc3 Nd3 61.h6 1–0. purplegadge (1745) – sotdalas (1730), gameknot.com, 2013.

5.Bc3 a5 6.e3 0-0 7.Be2 Nc6 8.a3 Bc3 9.Nc3 d5 10.0-0 Re8 11.Rb1 Qe7 12.Qc1 =.

5.Bc3 c5 6.Bb4 cb4 7.e3 Be6 8.a3 Qa5 9.Nd4 Nc6 10.Bb5 Rc8 11.Qf3 0-0 12.Bc6 =.

5.Bc3 Bc5 6.e3 0-0 7.Bc4 d5 8.Bb3 Bg4 9.d4 Bd6 10.h3 Bf5 11.0-0 Nbd7 12.Nh4 Be6 13.Re1 (13.Nf3 c6=+) 13...Ne4-/+ 14.Nf3 Qf6 15.Bb2 Qg6 16.Kf1 Qh5 (16...Rfd8 17.Nbd2-/+) 17.Ne5 (17.Nc3 Nc3 18.Bc3 Nf6=+) 17...Qf5 (17...Qh4 18.Qf3 Ne5 19.de5-/+) 18.Qf3=+ Qg5 (18...Qf3 19.Nf3 a5 20.a4=+) 19.Nd7 Bd7 20.Rd1 Rae8 21.Nc3 c6 22.Ne4 de4 23.Qe2 Kh8 24.c4 f5 25.c5 f4 26.cd6 fe3?? (better 26...f3 27.gf3 Bh3 28.Ke1 ef3-+) 27.Bc1+- Qh4 (27...Qg3 28.Be3 Qh2 29.Qh5 Qh1 30.Ke2 Qg2 31.Rg1 Qf3 32.Qf3 ef3 33.Kd2 Bh3 34.d5 cd5 35.Rg5+-) 28.Be3 Bh3 (28...Qg3+-) 29.gh3 Qh3 30.Ke1 Rf5 (30...Rd8 31.Rab1 b6 32.Qa6+-) 31.Rab1 (31.Rab1 Rf6 32.d5 Rd6 33.dc6 Rd1 34.Rd1 bc6 35.Ba4 Qh1 36.Qf1+-) 1-0. reza95 (2145) - ConstantChange (2170), Rated Classical game, lichess.org, 2016.

5.Bd4 c5 6.Bc3 Nc6 7.e3 Bc3 8.Nc3 0-0 9.Bc4 h6 10.0-0= a6 11.Nd5 b5 12.Nf6= Qf6 13.Bd5 Bd7 14.d3 Rae8=+ 15.e4 Nd4 16.Nd4= cd4 17.Qd2 Be6 18.Bc6 Rc8 19.Bb7 Rb8 20.Ba6 Bc8 21.Bc8+/– Rbc8 22.Rab1 Rb8 23.a4 ba4+= 24.Rb8 Rb8 25.Qa5 Qe6 26.Qa4+/– Rb2 27.Qd4 Rc2 28.g3 Qe5 29.Qa4 Rc5 30.f4 Qc3= 31.Rd1 Qc2 32.Qc2+/– Rc2 33.g4 Kf8 34.h4 Ke7 35.g5 h5 36.f5 Re2 37.Ra1 Rc2? 38.Ra7 Kf8 39.f6 g6?? (39...gf6 40.gf6 Kg8+-) 1–0. coolerdude – Castlegrande, ChessWorld.net, 2005.

5.Bf4 0-0 6.c3 Ba5 7.e3 Be6 8.Be2 Nd5 9.Qa4 Bb6 10.Qe4 Nf4 11.Qf4 d5 12.Ng5 =+.

5.Bf4 Nc6 6.e3 Nd5 7.Bg3 0-0 8.c3 Ba5 9.Bb5 Nb6 10.0-0 Bg4 11.d4 Qf6 12.h3 =.

5.Bf4 Nd5 6.Bg5 f6 7.Bh4 Ba5 8.e3 Nd7 9.Be2 0-0 10.0-0 Re8 11.c4 Ne7 12.d4 =.

5.Bf4 Ne4 6.c3 Qf6 7.e3 0-0 8.Qc2 Re8 9.Bd3 d5 10.Bc7 Nc6 11.a3 Bc5 12.Qb3 +=.

5.Bf6 gf6 6.c3 Ba5 7.e3 +=.

5.Bf6 Qf6 6.c3 Bc5 7.e4 Bb4?? (7...Qe7 8.Qe2=) 8.a3?? (8.Qa4 Nc6 9.Bb5 Bd7 10.Bc6 Bc6 11.Qb4 a5+-) 8...Ba5? (8...Bc5=) 9.h4?? (better is 9.Qa4 Nc6 10.Bb5+-) 9...0-0+= 10.Bc4 ½–½. Henkel,Ute (1625) – Henkel,Phil (1905), remoteschach.de, 2007.

5.Bg3 0-0 6.c3 Ba5 7.e3 Bg4 8.Na3 Re8 9.Nc4 Nc6 10.Na5 Na5 11.Be2 Nc6 12.Bh4 =.

5.Bg3 Ba5 6.e3 0-0 7.Be2 Nc6 8.0-0 Re8 9.Bh4 Qe7 10.d4 Bf5 11.c4 a6 12.Qa4 =.

5.Bg3 Nc6 6.c3 Ba5 7.e3 a6 8.Bd3 0-0 9.Bh4 Re8 10.Qa4 Bd7 11.0-0 Qe7 12.Qf4 =.

5.Bg3 d5 6.e3 0-0 7.Be2 Ne4 8.Bh4 Be7 9.Be7 Qe7 10.0-0 Be6 11.d4 Nd7 12.Qd3 =.

5.Bg3 Be6 6.c3 Ba5 7.Qa4 c6 8.Nd4 0-0 9.Ne6 fe6 10.e3 b5 11.Qb3 Qe7 12.a4 =.

5.Bg3 Bg4 6.c3 Ba5 7.e3 0-0 8.Be2 Nc6 9.Qa4 Qd7 10.Bb5 Bb6 11.Bh4 Nd5 12.h3 =+.

5.a3 Bd2

6.Qd2= de5 7.Qd8 Kd8 8.Ne5 Be6 9.Nc3 Nbd7 10.Nd7 Kd7 11.e3 Rhd8 12.Bb5 c6 13.Ba4 Ke7 14.0-0 Bc4 15.Rfe1 Rd2 16.Rad1 Rad8 17.h3 Rd1 18.Nd1 (18.Nd1 Ne4 19.Nb2-/+; 18.Rd1!? Rd1 19.Nd1=+). esso78 – nickttm, ChessWorld.net, 2004.

5.a3 de5

6.ab4 e4

7.Ng1 0-0

8.b5 c6 9.Nc3 cb5 10.Nb5 Nc6 11.e3 a6 12.Nc3 Be6 13.f3 b5 14.Be2 Re8 15.Nh3 Bh3 -+.

8.c3 a6 9.e3 Nc6 (9...Bf5 10.Ne2=+) 10.b5 (10.d4 ed3 11.Bd3 Ne5=+) 10...Ne5-/+ 11.Qc2 (11.f3 Re8-/+) 11...Bd7 12.c4 ab5 13.Ra8 Qa8 14.Nc3? bc4 15.Nge2 b5 16.Ng3 Qa4 17.Na4+- ba4 18.Bc4 Nc4 19.Qc4 Ra8 20.Ne4 Ne4 21.Qe4 a3 22.Qa8 (22.Qa8 Bc8 23.Qc8#) 1–0. ATUK – kdfoerster, Live Game Caissa's Web, 2005.

8.c3 Re8 9.e3 -/+.

8.e3 Qd6 -/+.

8.Nh3 Nc6 9.b5 Nd4 10.Nc3 Bh3 11.gh3 Qe8 12.Qb1 a6 13.ba6 ba6 14.Bg2 Qe7 15.Qc1 Nf3 16.Kf1 Nd4 17.Ke1 Rfd8 18.e3 Nb5 19.Qb2 Qe5 20.d4 ed3 -+.

8.Nh3 Bh3 9.gh3 Nc6 10.b5 Nd4 11.Nc3 Qe8 12.Qb1 Qe5 13.Bg2 Nf3 14.Bf3 ef3 15.Ra4 Nd5 -+.

7.Ng1 Nc6

8.b5 Ne7

9.Nc3 0-0

10.e3 Re8 =+.

10.e3 Bg4 11.f3 ef3 12.Nf3 Ned5 =+.

10.Nh3 c6 11.Nf4 cb5 12.Nb5 g5 13.Nh3 Bh3 14.gh3 a6 15.Nc3 Ned5 16.Rg1 Nc3 17.Rg5 Kh8 18.dc3 =+.

10.Nh3 c6 11.Nf4 cb5 12.Nb5 g5 13.Nh3 Bh3 14.gh3 a6 15.Nc3 Ned5 16.Rg1 h6 17.Nd5 Qd5 18.Bg2 Qd6-/+ 19.Rh1 Rfd8 20.Rb1 b5 21.d3 Ra7 (21...Qc6 22.Qd2 a5 23.h4=+) 22.h4 ed3 23.cd3 Nd5 (23...g4!?-/+) 24.Bd5= Qd5 25.Rg1 a5 (better is 25...Qe5!? 26.Qd2 f6= (26...Qh2 27.Rg5 Kh7 28.Qe3 Qh1 29.Kd2 Qb1 30.Qe4 Kh8 31.Qe5 f6 32.Qf6 Kh7 33.Qg6 Kh8 34.Qh6 Rh7 35.Qf6 Rg7 36.Qg7)) 26.hg5 +=.

10.Nh3 c6 11.Nf4 cb5 12.Nb5 g5 13.Nh3 Bh3 14.gh3 a6 15.Nc3 Ned5 16.Rg1 h6 17.Nd5 Qd5 18.Bg2 Qd6-/+ 19.Rh1 Rfd8 20.e3 Qe5 21.Rb1 Rd7 22.h4 gh4 (22...Rad8!? 23.hg5 Rd2 24.Qd2 Rd2 25.Kd2 hg5-/+) 23.Bh3 =+.

10.Nh3 c6 11.Nf4 cb5 12.Nb5 g5 13.Nh3 Bh3 14.gh3 a6 15.Nc3 Ned5 16.Rg1 h6 17.Nd5 Qd5 18.h4!? =.

10.Nh3 Bh3 11.gh3 Ned5 12.Rg1 -/+.

5.Bb2 0-0

6.c3 Bc5 7.d4 Bb6 8.h3 Re8 9.e3 Nc6 10.Bd3 a6 11.Qc2 h6 12.Nbd2 Ne7 13.c4 Ba5 14.d5 c6 (14...Nd7 15.0-0+=) 15.Bf6+- gf6 16.dc6 bc6 17.Rb1 Qc7 18.0-0 Kg7 (18...f5 19.Qb2+-) 19.Qb2 (19.Ne4!?+-) 19...Ng6 20.Rfc1 Ne5 21.Qc2 Nd3 22.Qd3 Bb7 (22...Be6 23.a3+-) 23.Rb3 (23.Ne4 Rad8+-) 23...Rab8 (23...Bd2 24.Nd2 Rad8 25.Rcb1+-) 24.Nd4 h5 (better 24...Kh8+-) 25.Nf5 Kg8 (25...Kf8 26.Nd6 Red8 27.c5 (27.Rb7?! Qb7 28.c5 Bd2 29.Qd2 Qb2+=) 27...Bd2 28.Rcb1+- (28.Rb7?! Qb7 29.Qd2 Qb2+=)) 26.Qd6 (better 26.Ne4!? Re4 27.Qe4 Rd8+-) 26...Qd6 27.Nd6 Re7 (27...Bd2 28.Rd1 Re7 29.Rd2+- (29.Nb7?! Reb7 30.Rb7 Rb7 31.Rd2 Rb4+-; 29.Rb7?! Rbb7 30.Nb7 Be3+-)) 28.Nf3 (better 28.N2e4!? Bc7 29.Rcb1 Bd6 30.Nd6 Rd7 31.Nb7 Rd2+-) 28...c5 29.Rcb1 (29.Nh4 Rd7 30.Nhf5 Bb4+-) 29...Bb4 30.Nb7 (30.Rb4?! cb4 31.Rb4 Rd7+-) 30...Rbb7 31.a3 a5 32.ab4 ab4 33.Rd1 Ra7 (33...Red7 34.Rd7 Rd7 35.Kf1+-) 34.Rd5 Ra3 (34...Ra5 35.Kh2 Re4 36.Nd4+-) 35.Nd2 (better 35.Ra3!? ba3 36.Rd8 Kg7+-) 35...Ra2 (35...Ra1 36.Kh2 Re5 37.Rd8 Kg7 38.f4+-) 36.Kf1 Re5 37.Rd8 (37.Rbd3 Kg7+-) 37...Kg7 38.f4 Re6 39.Rd5 Ra3 (39...Kh6 40.Ke2 Rc6 41.Kd3+-) 40.Ke2 Kg6 (40...f5 41.Rf5 Rd6 42.Ne4+-) 41.Rc5 (better 41.f5 Kh6 42.Ra3 ba3 43.fe6 fe6 44.Rc5 a2+-) 41...Rb3 (41...f5 42.Rb5+-) 42.Nb3 (42.Nb3 f5 43.Rb5+-) 1–0. petrobbo (1955) – redi (2020), ChessWorld.net, 2009.

6.Nc3 Bc3 7.Bc3 Nc6 8.e3 Ne4 9.Bd3 Nc3 10.dc3 Qf6 11.0-0 (11.Nd4!?=) 11...Qc3-/+ 12.Nd4 (12.Rb1 Re8-/+) 12...Nd4 13.ed4 Qd4?? (better is 13...g6-/+) 14.Bh7!+- Kh7 15.Qd4 Bf5 (15...Kg8 16.Qc4 c6 17.Rfe1+-) 16.Qh4 (16.Qd5!? g6+-) 16...Kg8 17.g4 Bc2 (17...Bd7 18.Rfe1+-) 18.Rac1 Bd3 (18...Be4 19.Rc7 Rae8 20.Re1+-) 19.Rfe1 (19.Rfd1 Be4 20.Rc7 Rac8 21.Rc8 Rc8+-) 19...Rae8 (19...c5 20.Re7 f6 21.Qg3+-) 20.Re8 Re8 21.Rc7 Re1 (21...Bb1 22.a3 a6 23.Re7+-) 22.Kg2 Re8 23.f3 f6 (23...a6 24.Re7 Ra8 25.Rb7+-) 24.Kg3 (24.Qh5 Rf8 25.Qd5 Kh7 26.Qd3 Kg8 27.Qg6 Rf7 28.Qf7 Kh7 29.Qg7) 24...Re2 (24...Bg6+-) 25.Qh5 Re1 (25...Rg2 26.Kg2 Bf1 27.Kf1 g6 28.Qh7 Kf8 29.Qf7) 26.Qd5 Kh8 27.Qd3 Rg1 28.Kf2 Ra1 29.Rc8# 1–0. Baer,Cy (1895) – Henkel,Phil (1905), RSS7E easy–57, 2007.

6.Nc3 d5 7.a3 Bd6 8.e3 +=.

6.Nc3 Re8 7.e3 +=.

6.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.Nf3 d6 6.Bb2).

6.e3 a5 7.Be2 a4 8.a3 Ba5 9.0-0 Nc6 10.d4 Bd7 11.c4 (11.d5 Na7+=) 11...Ne7 (11...Re8 12.Bd3+=) 12.Nbd2 d5 13.Qc2 (13.Ne5 Bf5+=) 13...dc4 (13...Bf5!? 14.Bd3 Bd3 15.Qd3 Re8=) 14.Nc4+= Bb5 15.Na5 Be2 (15...Ra5!? 16.Bb5 Rb5+/-) 16.Nb7+- (16.Qe2?! Ra5 17.e4 Re8+=) 16...Qc8 17.Qe2 Qb7 18.Bc3 (18.Qc2 Qb3 19.Rfc1 Ra7+/-) 18...Rab8 (18...Rfb8 19.Ne5+/-) 19.Bb4+- Nfd5 20.Rab1 Nb4 21.Rb4 Qa7 (21...Qa8 22.Qc4 Rb4 23.Qb4+-) 22.Rfb1 (22.Rb8 Qb8 23.Qc4 Rc8+-) 22...Rb4 23.Rb4 Rb8 24.Qc4 Rb4 25.Qb4 Nd5 26.Qc4 Qb6 (26...Qb7 27.h3 Nb6 28.Qc2+-) 27.h3 c6 (better 27...Qb3 28.Qc6 g6+-) 28.Qa4 Qb1 29.Kh2 Qb8 30.g3 h6 (30...Ne7+-) 31.Qc6 Qb2 (31...Ne7 32.Qd7 Kf8 33.Ne5+-) 32.Kg2 (better 32.Qa8 Kh7 33.Qd5 Qf2 34.Kh1 Qe3 35.a4+-) 32...Ne3 33.Kg1 Qb1 34.Kh2 Nf1 (34...Nd1 35.Kg2 Qd3 36.Qe8 Kh7+-) 35.Kg2 Ne3 (35...Qd3 36.Qc8 Kh7+-) 36.Kh2 Qc2?? (36...Nf1 37.Kh1 Ng3 38.Kg2 Nf5+-) 37.Qe8+- Kh7 38.Qe3 1-0. hh4147h (1605) - alireza015 (2370), 2020 Spring Marathon, lichess.org, 2020.

6.e3 Ba5 7.Be2 Nc6 8.0-0 Bf5 9.d4 Bb6 (9...Nb4 10.Na3=+) 10.c4= a6 (10...h6 11.Nc3=) 11.Nbd2 (11.d5 Na5+=) 11...Re8 12.a3 Ne4 13.Ne4 Be4 (worse 13...Re4 14.Bd3 Qe7 15.d5+/-) 14.Bd3 Bd3 (14...Qe7 15.Rb1=) 15.Qd3+= Ne7 (15...Qe7 16.d5 Ne5 17.Ne5 de5 18.a4=) 16.Rad1 (16.Bc3 Ng6+=) 16...Ng6 17.g3 c6 (17...Qd7 18.Bc3+=) 18.Rfe1 (18.h4 h6+=) 18...Bc7 19.e4 White prepares the advance d5 19...h5 (19...Qd7 20.Qb3+=) 20.h4 (20.d5 Qd7+=) 20...Qe7 (20...Qd7 21.d5+=) 21.Re3 (21.d5 Ba5 22.Re3 Bb6+/-) 21...Rad8 (21...Qd7 22.c5 dc5 23.dc5 Qd3 24.Rdd3+=) 22.Kg2 (22.Qb3 Qd7+=) 22...Qe6 23.d5 Qg4 24.Rde1?? (24.Kh2 Bb6 25.Re2 Bc5=) 24...Re7 (better 24...Nf4 25.Kg1 Nd3 26.Rd3 Re4 27.Red1-+) 25.Ng5?? (better 25.Kh2!?=) 25...Nh4 (better 25...Nf4 26.Kh2 Nd3 27.Rd3 cd5 28.cd5 Rc8-+) 26.Kh2 (26.Kh1!? Qg5 27.gh4 Qh4 28.Kg2-/+) 26...Qg5-+ 27.gh4 Qh4 28.Rh3?? (better 28.Kg2 f6 29.Rg3-/+) 28...Qf4 (better 28...Qf2 29.Kh1 Qe1 30.Kh2 Re4 31.Qe4 Qe4 32.Rh5 Qe2 33.Kg3 Qh5 34.Bd4 Qg6 35.Kf2 Qc2 36.Kg1 Qd1 37.Kh2 Qd4 38.Kg2 Re8 39.a4 Qg4 40.Kh1 Re2 41.dc6 Qg2) 29.Kg2? (29.Qg3 Qg3 30.Rg3 g6=) 29...g6 (29...Rde8 30.Rg3 f6 31.Bc1-+) 30.f3? (better 30.Rf3 Qg5 31.Rg3=) 30...Rde8 (30...Bb6 31.Rg3 Kf8 32.Qc3-+) 31.Qe3 (31.Rg3 Ba5 32.Rd1 c5-+) 31...Qe3 32.Re3 cd5 33.cd5 Bb6 (33...Ba5 34.Bc3 Bc3 35.Rc3-+) 34.Rb3 Bc5 35.Rh1 (35.Bf6 Rc7-+) 35...f5 36.ef5 Re2 37.Kg3 h4?? (better 37...Bf2 38.Kf4 Rf8-+) 38.Kh4= gf5 39.Kg5 b5 40.Kf5 R8e7 41.Rh8 Kf7 42.Rh7 Ke8 43.Re7 Ke7 44.Bf6 (44.f4 Kf7=) 44...Kf7 45.f4 (45.Bh8 Rd2=+) 45...Re3 (45...Rd2 46.Rh3 Rd5 47.Ke4=+) 46.Re3= Be3 47.Bb2 a5 48.Ke4 Bc5 Black intends b4 49.Bc3 b4 50.ab4 ab4 51.Bb2 Kg6 52.Bh8 b3 53.Bc3 Ba3 54.Kd3 b2 55.Kc2 Kf5 56.Bb2 Bb2 57.Kb2 Kf4 58.Kc3 Ke4 59.Kc4 Ke5 60.Kc3 Kd5 61.Kd3 Kc5 62.Kc3 d5 Black threatens strongly Kd3 63.Kd3 d4 64.Kd2 Kb4 65.Kd3 Kc5 66.Kd2 Kc4 67.Kc2 d3 68.Kd2 Kd4 69.Kd1 Ke3 70.Ke1 Kd4 Threatening mate... how? 71.Kd2 Kc4 72.Kd1 Kc3 73.Kc1 Kb3 Do you see the mate threat? 74.Kd2 Kc4 75.Kd1 Kd4 76.Kc1?? (better 76.Kd2=) 76...Ke3 77.Kd1 (77.Kb2 d2 78.Kc2 Ke2 79.Kb1 d1Q 80.Ka2 Qa4 81.Kb1 Qb4 82.Ka2 Kd3 83.Ka1 Kc3 84.Ka2 Qb2) 77…d2 (77...d2 78.Kc2 Ke2 79.Kb1 d1Q 80.Ka2 Qa4 81.Kb2 Kd3 82.Kb1 Kc3 83.Kc1 Qc2) 0-1. Bendega (2030) - Amazing_Kenzy01 (2035), lichess.org, 2021.

6.e3 a6 7.Be2 Re8 (7...d5 8.0-0=) 8.0-0 Bg4 (8...d5 9.c4=) 9.c4 (9.a3 Ba5=) 9...c5 (9...Nc6 10.a3 Ba5 11.d4=) 10.d4 Nc6 11.h3 Bh5 12.d5 (12.a3 Ba5=) 12...Na7 (12...Bf3 13.Bf3 (worse is 13.dc6 Bc6 14.a3 Ba5-/+) 13...Ne5 14.Be2=) 13.a3 (13.Qb3 b5=) 13...Ba5 14.a4 (14.Nbd2 b5=) 14...Bb4 (14...b6 15.Nfd2 Bg6 16.Nb3=) 15.Nbd2 (15.Nc3 b6=) 15...Nc8 (15...Bg6 16.Ra2=) 16.Nb3 (16.Qc2 Bd2 17.Qd2 Ne4=) 16...a5 (16...Ne4 17.Qc2=) 17.Nfd2 (17.Qc2 Nb6=) 17...Bg6 18.Nf3 Ne4 19.Qc1 (19.Bd3 Nb6=) 19...Nb6+= 20.Bd1 (20.Ra2 Qe7=) 20...Qe7 21.Ne1 (21.Ra2 Bf5+=) 21...Qd7 (better is 21...Nf2 22.Rf2 Be1-+) 22.Nd3 Na4 (22...Re7!? 23.Nf4 Na4 24.Ng6 hg6 25.Ra4 Qa4 26.Nc5 Qe8-/+) 23.Ra4+= Qa4 24.Nbc5 Qd1 (24...Qa2!? 25.Bb3 Nc5 26.Ba2 Bd3+=) 25.Rd1+/– Nc5 26.Nb4 ab4 27.Qd2 (27.Bd4 Ra2 28.Bc5 dc5+/–) 27...b3 28.Qc3 Bc2?? (better is 28...f6+/–) 29.Qg7 1–0. Feltman,Bart (1805) – Hillenkamp,Melchior, BSG Pinkstertoernooi, 2013.

6.e3 Na6 7.c4 Nc5 8.Be2 Bf5 9.0-0 Bd7 10.Nc3 Bc3 11.Bc3 Na4 12.Qc2 Nc3 13.Qc3 Qe7 14.a4 c5 15.d4 Bf5 16.a5 Ne4 17.Qb2 Rac8 18.Ra3 Bg4 19.h3 Bh5 20.Rb1 Rc7 21.Rb3 Rb8 22.d5 f5 23.Bd3 Be8 24.Nh2 Qg5 25.Qa2 Qf6 26.R1b2 Qh4 (26...Re7!?=) 27.Qb1 Ba4 28.Ra3 Bd7 29.f4 Qe7 30.Nf1 h5 31.g4 hg4 32.hg4 Kf7 (32...Qe8!?=) 33.g5+= Kg8 (33...Kg6 34.Be4 Qe4 35.Qe4 fe4 36.Ng3+=) 34.Be4+/- Qe4 35.Qe4 fe4 36.Ng3 Re8 37.Rab3 Bc8 38.g6 Kf8 39.Rf2 White prepares f5 39...Bg4 40.f5 (40.Rh2 Ke7 41.Ne4 Bf5+/-) 40...Bf3 41.Rfb2 b6 (better 41...Rb8!?+/-) 42.ab6+- ab6 43.Rb6 Ke7 44.Rb7 Rec8 45.R2b6 Kf6 (better 45...Rb7 46.Rb7 Kf6+/-) 46.Rd6 Kg5 47.Rd7 (better 47.Rc7!? Rc7 48.Re6+-) 47...Rd7+/- 48.Rd7 Kg4 49.Kf2 (49.Nf1 Kf5 50.Rg7 Ra8+-) 49...Rb8+/- 50.Rg7 Rb2 51.Ke1 Kg3 52.Rh7 (52.Rh7 Re2 53.Kd1 Re3 54.Kc2 Re2 55.Kb3+-) 1-0. drongo19 (2275) - marekt (2230), gameknot.com, 2018.

6.e3 c6 7.c4 Bf5 8.Be2 Nbd7 9.0-0 c5 10.d3 Nb6 11.h3 Bd7 12.Nbd2 Na4 13.Bf6 Qf6 14.Nb3 (14.a3 Nc3 15.Qe1 Ba5+=) 14...Bc3 (14...Qb2!? 15.Rb1 Qa2-/+) 15.Rb1+= Bb2 16.Qc2 Bc3 17.d4 cd4 18.ed4 1–0. Hal1958 – Spion, playchess.de, 2005.

6.e3 c6 7.Be2 Nbd7 8.0-0 Qe7 9.d3 d5 10.Nbd2 a5 11.Rb1 Bd6 12.Re1 Re8 13.c4 Nc5 14.cd5 cd5 15.Bf6 (15.Ba3 Ng4 16.Bc5 Bc5=) 15...Qf6 16.d4 Ne4 17.Ne4 de4 (worse 17...Re4 18.Rb5+=) 18.Nd2 Qh4 (18...Qh6 19.Nf1=) 19.g3= Qg5 20.Qc2 Qf5 (20...Bb4 21.a3 Bd2 22.Qd2=) 21.Nc4 Bb8? (better 21...Bc7+=) 22.Nb6+- Ra7 23.Nc8?? (better 23.Rec1 Be6 24.d5 Bd5 25.Rb5+-) 23...Rc8= (worse 23...Qc8 24.Qc8 Rc8 25.Rec1+/-) 24.Qa4 b6 (24...Bd6 25.Rec1+=) 25.Rb5 (25.Rb6!? Bc7 26.Rb5+/-) 25...Qe6 26.Reb1 Rac7? (26...Bc7 27.Bc4 Qe8 28.Bd5+=) 27.Kg2 (27.Rb6 Rc1 28.Rc1 Rc1 29.Kg2 Bd6+-) 27...Rc2 (better 27...Qc6+/-) 28.Rb6+- Qf5?? (28...Bd6 29.Ba6 Qg4+-) 29.Rb8 Re2 30.Qe8!! (30.Qe8 Re8 31.Re8) 1-0. NoLuckOnlySkill (2130) - jerryzli (2160), Rated Blitz game, lichess.org, 2016.

6.e3 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6).

6.e3 Nc6 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.e3 Nc6 7.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6 7.Be2 Re8).

6.e3 d5 7.Be2 c5 8.0-0 Nc6 9.d3 Ba5 10.Nbd2 Re8 11.Nb3 Bc7 (11...Bb6!?=) 12.Nc5+= Ng4 13.Nb3 Nh2? (better is 13...Qd6 14.g3 Nf6+=) 14.Nh2+- Bh2 15.Kh2 Qh4 16.Kg1 Re6 17.f4 (17.g3 Qg5 18.Bf3 Re7+-) 17...Rh6 (17...Re3 18.Bf3+-) 18.Bf3 Ne7 (18...Be6 19.Qe1 Qh2 20.Kf2+-) 19.Nd4 Qh2 20.Kf2 Rg6 21.Ke2 (21.Rh1 Qg3 22.Kf1 Rb6+-) 21...Nf5?! (21...Rg2 22.Bg2 Bg4 23.Nf3 Qg2 24.Ke1 Nf5+-) 22.Nf5 Bf5 23.Kd2 Rc8 24.Rc1 1–0. Chashchev,S (2290) – Barantseva,A (1910), Chess City, 2008.

6.e3 d5 7.Be2 Bf5 8.0-0 c6 9.Bf6 (9.Nd4 Be6=) 9...Qf6=+ 10.d4 Nd7 11.c4 Rfe8 (11...dc4!? 12.Bc4 Nb6=+) 12.cd5+= cd5 13.a3 (13.Qb3 Bd6+=) 13...Ba5 (13...Be7 14.Qb3 Nb6 15.a4=) 14.Qa4 (14.Qb3 Qc6=) 14...Bb6 (14...Bc7 15.Rc1 Nb6 16.Qa5=) 15.Nc3 Rac8 (better 15...Qe6!?=) 16.Nd5+/- Qd6 17.Nb6 Nb6 18.Qb3 (18.Qa7 Ra8 19.Qb7 Be4-+) 18...Bc2 19.Qa2 Ba4 (19...Be4 20.Rac1+/-) 20.Rfc1 Nd5 (20...Bc6 21.Qb1+/-) 21.Qb2 (21.Rc8!? Rc8 22.Bc4 Rd8+-) 21...b6+/- 22.Ne5 f6 23.Nd3 Qe6 24.Nb4 Rc1 25.Rc1 Ne3 26.fe3 (26.Qd2 Nc2 27.Bh5 g6+=) 26...Qe3= 27.Kf1 Qf4 28.Bf3 (better 28.Ke1 Qh2 29.Kf2 Re2 30.Qe2 Qf4 31.Qf3 Qd2 32.Kg3 Qg5 33.Kf2 Qd2 34.Kg3 Qg5 35.Kf2 Qd2=) 28...Qh2?? (28...Bb5 29.Kf2 Qe3 30.Kg3 Qg5 31.Kh3 Qh6 32.Kg3 Qg5 33.Kh3 Qh6 34.Kg3 Qg5=) 29.Qc3 Qh1 (29...Bd7 30.Nc6 a6 31.Kf2+/-) 30.Kf2+- Qh4 31.g3 Qh2 32.Bg2 Bd7?? (32...Qh5 33.Re1+-) 33.Re1 (better 33.Qc4 Be6 34.Qb5+-) 33...Qh5 (33...Re1 34.Qe1 Kf7 35.Qe2+-) 34.Re8 Qe8 35.Qe3 (35.Nc6 Bc6 36.Bc6 Qe6+-) 35...Qc8 36.Bd5 Kh8 37.Qe7 Qe8 (37...h6 38.Qd6+-) 38.Qe8 Be8 39.Nc6 (39.Bc6!? Bf7+-) 39...Bc6 40.Bc6 g6 41.Ke3 Kg7 42.Ke4 (42.Kd3!? Kf7+-) 42...Kf7 43.Kd5 Ke7 44.Kc4 Kd6 45.Be4 (45.Kb5 h5+-) 45...f5 46.Bf3 g5 47.a4 h5? (47...g4 48.Be2+-) 48.Kb5?? (better 48.Bh5!? a6+-) 48...h4 (48...g4!? 49.Bb7 Kd7+-) 49.gh4 gh4 50.Ka6 h3 51.Ka7 Kc7 52.d5 (52.d5+-) 1-0. minnesotawild (2265) - oohuuh (2045), Rated Blitz game, lichess.org, 2016.

6.e3 Bd7 7.Be2 Nc6 8.0-0 Re8 9.c4 Ne5 10.a3 Ba5= 11.d4 Ng6 12.Nc3 c6 13.Qc2 Be6 14.Rad1 Nd7 15.h3 d5= 16.cd5 cd5 17.Bd3 Bc7 18.Nb5+= Bb8 19.Rc1 a6 20.Nc7 Bc7 21.Qc7 Qc7 22.Rc7+/– b6 23.Ng5 Nf6 24.Ne6 Re6 25.Rfc1 Ree8 26.Rb7 b5 27.Rcc7 Nh8 28.a4! ba4 29.Ba3 a5 30.Bc2 Nh5 31.Ba4+- Rec8 32.Rc8 Rc8 33.Ra7 h6 34.Ra5 Nf6 35.Kh2 Kh7 36.Be7 Ne4 37.Rd5 Nf2 38.Rf5 Ne4 39.Rf4 Nd2 40.Bc5 g5 41.Rf2 Ne4 42.Bc2 Re8 43.d5 Kg8 44.Be4 Re4 45.d6 Re8 46.Bb6 Ng6 47.d7 (47.d7 Rb8 48.Rc2+-) 1–0. Wall,Bill – Wall,Jonathan, Melbourne, Florida, 2003.

6.e3 Nbd7 7.c3 Ba5 8.d4 c5 9.Nbd2 a6 10.a4 Rb8 11.Nb3 Bc7 12.c4 Re8 13.Be2 cd4 14.ed4 Qe7=+ 15.a5 b5 16.c5 Bb7-+ 17.Kf1 dc5 18.dc5 Rbd8 19.Bf6 Nf6 20.Qe1 Bd5 21.Nfd4 Be5 22.Rc1 Qc7 23.Qb4 Bh2 24.Nf3 Bf4 25.Rc2 Be4 26.Ra2 Nd5 (26...Nd5 27.Qe1 Bf3 28.gf3 Qc6-+) 0–1. Borrmann,Fritz – Busch,Klaus, corr SOK–88–27, 1988.

6.e3 Qe7 7.c4 Ng4 8.Be2 h6 9.0-0 Nc6 10.d4 Nf6 11.a3 Ba5 12.Qa4 Ne4 13.Qc2 Bg4 14.Bd3 (14.d5 Nd8+=) 14...f5 15.Nbd2 Rae8 16.Rab1 Bb6 17.Rbc1 (17.h3 Bh5+=) 17...Bh5 18.c5 dc5 19.dc5 Nc5 20.Bf5 Rd8 21.Nd4 Kh8 (21...Nd4 22.Bd4 Na6 23.Bb6 ab6 24.Nc4=) 22.Nc6+= bc6 23.Bd4 Rd5 24.Bg6 Be2 25.Rfe1 Bb5 26.Nb1 Na4 27.Nc3 (27.Ba1 Rc5 28.Qe4 Rc1 29.Rc1 Qe4 30.Be4 Nc5+=) 27...Nc3= 28.Bc3 (worse 28.Qc3 c5 29.Qb3 Rg5 30.Bg7 Qg7-+) 28...Qa3 29.Be4 Rd6 30.Ra1 Qc5 31.Qb2 Qg5 32.Rad1 Qg4 33.Bc2 Bc4 34.Be5 Bd5 35.Bg3 Qg5 36.Qc3 Qf6 37.Qd3 g6 38.Qe2 Re6 39.e4 Qc3 40.Kh1 Bd4 41.f3 c5 42.Bc7 Kg7 43.Bg3 Rd8 44.Rb1 Bc4 45.Rb7 Re7 46.Re7 Kf8 47.Qd1 (47.Ra7?? Be2 48.Re2 Qc4-+) 47...Ke7 48.Qc1 g5 49.h4 g4 50.Qh6? (better 50.Ba4!? Qc1 51.Rc1=+) 50...Qc2-+ 51.fg4 Qc3 52.Kh2 Qb2 (52...Rd7 53.h5 Ke8 54.e5=) 53.h5-/+ Bf2 (53...Be6!?-/+) 54.Qg5=+ Ke8 55.Bf2 Qf2 56.Ra1 (56.Qe5 Kf8 57.Qf5 Qf5 58.gf5 Rd2=) 56...a6-/+ 57.h6 (better 57.Qe5 Kd7 58.Rc1-/+) 57...Bf1 (57...Qd4 58.Qg6 Ke7 59.Qh7 Bf7 60.Ra6 Qe5 61.g3 Qb2 62.Kh3 Qb7=+) 58.Rf1 Qf1 59.Qe5 Kd7 60.Qd5 Kc7 61.Qc5 Kd7 62.Qd5 ½-½. hanzelpeter (2220) - marekt (2250), gameknot.com, 2018.

6.e3 Qe7 7.Be2 d5 8.0-0 Nc6 9.c4 Bf5 10.a3 Bc5 11.d4 Bb6 12.Ne5 Qe8 13.cd5 Nd5 14.Bb5 Nde7 15.Nc4 Rd8 16.Nb6 ab6 17.Nc3 Be6 18.a4 f5 19.Rb1 Nd5 20.Qe2 Nc3 21.Bc3 Bd5 22.Rfc1 Qe6 23.Ba1 f4 24.Qd2? Qe4 25.Bf1=+ Ra8 26.ef4 Ra4 27.Rb5 Ra5 28.Rd5 Rd5 29.Bc4 Rf7 30.Re1 Qf5 31.Re8 Rf8 32.Bd5 Qd5 33.Rf8 Kf8 34.Qd3 h5 35.f3 Qf7 36.g3 Nb4 37.Qa3 Qe7 38.Qa8 Qe8 39.Qb7 Nc2 40.Bb2 Qe1 41.Kg2 Ne3 42.Kh3 Nc4 43.Qc8 Qe8 44.Qe8 Ke8 45.Ba1 Kf7 46.Kh4 g6 47.g4 Nd2 48.gh5 Nf1 49.h3 Ne3 50.Kg5 gh5 51.h4 b5 52.Kh5 Kf6 53.Bc3 Kf5 54.Kh6 Nd5 55.Ba1 b4 56.Kg7 Nf4 57.Kf7 b3 58.Bc3 Ng2 59.h5 Kg5 60.Ke6 Kh5 61.Ba1 Ne3 62.Kd7 Nc2 63.Bc3 Nb4!? 64.Ba1 Kg5 65.Kc7 Kf4 66.Kb6 ½–½. Bonetti,Shane – Goteborg (2395), ICC, 2002.

6.g3 Nc6 7.Bg2 Bg4 8.a3 Ba5 9.0-0 Re8 10.Nc3 Qd7 11.Re1 Bh3 12.Bh1 Rad8 13.Rb1 Bb6 14.Ng5 Bf2 15.Kf2 Qf5 16.Nf3 Nd4 17.d3?? Ng4-/+ 18.Kg1 Nf3?? 19.Bf3+- Ne3 20.Qd2 Qc5 21.Kh1 d5 22.Rbc1 Re6 23.Nd1 Nd1 24.Rcd1 Rde8 25.Qc3 Qc3 26.Bc3 c6 27.Kg1 f6 28.Kf2 a6 29.g4 f5 30.gf5 Bf5 31.Rg1 Rg6 32.Bh5 Rg1 33.Rg1 g6 34.h4 Kf7 35.Bf3 Ke6 36.h5 Kd6 37.hg6 Bg6 38.a4 b6 39.Bd2 b5 40.ab5 ab5 41.Rh1 c5 42.Rh6 Ke5 43.Bh5 Re6 44.Bg4 Ra6 45.Rh1 b4 46.Rc1 Ra3 47.Bg5 c4 48.Be7 Ra4 49.Ke3 d4 50.Kd2 c3 51.Kd1 Bf7 52.Rb1 b3 53.cb3 Ra2 54.Kc1 Rd2 55.Bg5 Ra2 56.e3 de3= 57.Be3 Bg6 58.d4? Ke4-+ 59.Bg5 Kd5?? 60.Bd1 Bb1 61.Kb1+/– Rb2 62.Kc1 Kd4 63.Bc2 h5 64.Bf6 Ke3 65.Bc3 Ra2 66.b4 Ra8 67.b5 Rb8 68.b6 Rb6= 69.Be1 Rc6 70.Kb2 Rc2 ½–½. Kueffer,L – Pope,M, Burlingame, 1998.

6.g4 Bg4-/+ 7.e3 Nbd7 8.Rg1 Kh8 9.Be2 Qe7 10.Nd4 Be2 11.Qe2 Rg8 12.Nf5 Qe6 13.Qf3 Ne5 14.Qf4 (14.Be5 de5 (14...Qe5?! 15.c3=+) 15.e4 Rad8-+) 14...Ng6 (14...g5 15.Qb4 Qf5 16.Be5 Qe5 17.Qc3-/+) 15.Qg5 (15.Qf3 Ne4-/+) 15...d5 16.Ng7? (better 16.f3-/+) 16...Rg7?? (better 16...Kg7 17.a3 Bd6-+) 17.Bf6+- Be7 18.Bg7 Kg7 19.Qg4 Qc6 (19...Qg4 20.Rg4 h5 21.Rg1+/-) 20.Nc3 Bf6 21.Qb4 (21.Rb1 Bc3 22.dc3 Qc3 23.Kd1 Rd8+/-) 21...a5+/- 22.Qb2 (22.Qb3+/-) 22...b5? (better 22...d4 23.ed4 Re8 24.Kd1 Qf3 25.Kc1 Bd4=) 23.Qb3?? (better 23.d4 b4 24.Ne2+-) 23...b4-/+ 24.h4 (better 24.0-0-0!? bc3 25.d4-/+) 24...bc3-+ 25.d3 (25.d4 Bh4 26.Rb1 Qf6-+) 25...Bh4 26.Rb1 Bf6 27.Qb7 Qb7 28.Rb7 c5 Black prepares d4 29.Rd7? (29.Ke2 h5-+) 29...d4 (better 29...Rb8 30.f4 d4-+) 30.e4 (30.Rb7-+) 30...Rb8 31.Ke2 Rb2 32.f4 Rc2 33.Kf3 Rd2 (33...Bh4 34.f5 Rf2 35.Kg4 Rf4 36.Kh3-+) 34.f5 Rd3 35.Kf2 (35.Ke2 Rd2 36.Kf3 c2 37.fg6 Rd1 38.Rf7 Kg8-+) 35...Re3 (35...Bh4 36.Ke2 Rd2 37.Kf3-+) 36.fg6 hg6 (better 36...Bh4 37.Kg2 Rg3 38.Kh2 Rg1 39.gh7-+) 37.Rd5 (37.Rh1 Re4 38.Rd5 Re5 39.Re5 Be5-+) 37...Re4 (better 37...Bh4 38.Kg2 Rg3 39.Kh2 Rg1 40.Rc5-+) 38.Rc5 Rf4 (better 38...d3 39.Kf3 Ra4 40.Rd1-+) 39.Ke2 Re4 40.Kd3?? (40.Kf2 d3 41.Kf3-+) 40...Re3-+ 41.Kc4 c2 42.Rc1 (42.Rd5 Rc3 43.Kb5 c1Q 44.Rc1 Rc1 45.Ka5 g5-+) 42...d3 (better 42...Rc3 43.Kd5 Rc5 44.Kc5 d3-+) 43.Rd5 Re2 (better 43...Bb2 44.Rg1 f5-+) 44.Kd3=+ Bg5?? (better 44...Re5!? 45.Re5 Be5=+) 45.Rc2 (better 45.Rg5 Rh2 46.Ra5+-) 45...Bc1?? (better 45...Re3 46.Kd4 f5 47.Ra5 Re7+=) 46.Ke2+- Ba3 47.Kf3 (47.Ra5 Be7+-) 47...Be7 (47...Bb4 48.Rd7 g5 49.Kg4+-) 48.Ra5 Bf6 (48...g5 49.a4 Kg8 50.Rd5 g4 51.Kg4+-) 49.Ra6 (49.a4 Kf8+-) 49...g5 50.Rcc6 g4 (50...Be5 51.Kg4 Bf4 52.a4+-) 51.Kg4 Bg5 (51...Bd4 52.a4 Be3 53.a5+-) 52.Rc7 (52.Kg5 f6 53.Kh5 Kf8 54.Rc7 f5 55.Ra8) 52...Be7 53.Re7 Kf8 54.Rc7 (54.Raa7 f5 55.Kf4 Kg8 56.Re8) 54...Ke8 (54...Kg7 55.a4 Kf8 56.Kg5 Kg7 57.Rg6 Kh7 58.Rf7 Kh8 59.Rf4 Kh7 60.Rh4) 55.Kf5 (55.Ra8) 55...Kf8 (55...Kd8 56.Rf7 Ke8 57.Ke6 Kd8 58.Ra8) 56.Rd7 (56.Kf6 Kg8 57.Rf7 Kh8 58.Ra8) 56...Kg7 57.Raa7 Kh6 (57...Kf8 58.Rf7 Ke8 59.Kg6 Kd8 60.Rf8) 58.Rf7 Kh5 59.Rh7 1-0. Banjovi (2360) - Shinsei (2295), Rated Bullet game, lichess.org, 2018.

6.a3 Ba5

7.Bb2 c5 8.c4 Nc6 9.Be2 Re8 10.0-0 Bf5 11.Nc3 a6 12.d3 Rb8 13.e4 Be6 14.Nd5 Bd5 (14...Ng4 15.Nd2 Nh6 16.Nb3+=) 15.ed5 (15.cd5 Ne5=) 15...Na7 (15...Ne5 16.d4 Nf3 17.Bf3=) 16.Nd2 b5 17.Bf6 (17.Rb1!?=) 17...Qf6=+ (worse 17...gf6 18.Rc1+=) 18.Ne4 Qd8 19.Bf3 f5 20.Ng3 Bc3 21.Rb1 f4 22.Ne4 Bd4 23.Qd2 g5 (23...Be5 24.Rfe1=) 24.Bh5 Re7 (better 24...Re5!?=) 25.Ng5+/- Re5 (better 25...Qf8!? 26.Ne6 Qf5+-) 26.Nf7+- Qh4 27.Ne5 Be5 (27...de5 28.Bf3+-) 28.Bf3 Rb7 (28...Qd8 29.Kh1+-) 29.Rfe1 (29.Qa5 Qe7+-) 29...Rg7 (29...Qd8 30.Re2+-) 30.Re5! de5 31.Re1 (31.Qa5 Qf6 32.a4 Qd6 33.cb5 ab5 34.ab5 Rb7+-) 31...Qg5 (31...Qf6 32.Qc3 Re7 33.Bg4+-) 32.Qe2 (32.Qc3!? Qf6 33.Qe5 Qe5 34.Re5 Rd7+-) 32...Nc8 33.Qe5 Qe5 34.Re5 bc4?? (34...Nd6 35.Be2+-) 35.dc4 (better 35.Re8 Kf7 36.Rc8 cd3 37.Rc5+-) 35...Nd6 36.Re6 Nc4 37.Ra6 (37.d6 Nb6 38.Bc6 Rf7+-) 37...Nd2 38.Bd1 Rd7 (38...Rg5 39.d6 Re5 40.f3+-) 39.d6 (39.Bg4 Rb7 40.Bf5 Re7+-) 39...Kf7 (39...Ne4 40.Ra4 Nd2 41.Rf4 Rd6 42.Bc2+-) 40.h3 (40.Bg4 Rd8 41.d7 c4+-) 40...Ne4 41.Bb3 (41.Ra4 Nd6 42.Rf4 Ke6+-) 41...Kf6 42.f3 Nd6 (42...Rd6 43.Ra5 Ng3+/-) 43.Kf2 (better 43.Rc6!?+-) 43...Ke5+/- 44.Ke2 (44.Rc6 Kd4+/-) 44...Kd4 Black plans c4 (44...Nb5 45.Re6 Kf5 46.Rb6 Nd4 47.Kf1=) 45.Kd2 c4 46.Bc2 c3 47.Ke2 (better 47.Kc1+=) 47...Nf5?? (better 47...Nc4 48.Rf6 Re7 (48...Na3?! 49.Rf4 Ke5 50.Rf5 Ke6 51.Be4=) 49.Kf2 Na3 50.Rf4 Kc5 51.Rf5 Kb6 52.Rf6 Kb7-/+) 48.Bf5+- Rc7 (48...Rg7 49.Ra4 Ke5 50.Bg4+-) 49.Bc2 1-0. jaddwarrior - Work in Progress, ChessWorld.net, 2021.

7.Bb2 Nc6 8.c3 Be6 9.d4 Bg4 10.Be2 Ne4 11.0-0 Qf6 12.Nfd2 Be2 13.Qe2 Nd2 14.Nd2 Qg6 15.Nf3 f5 16.g3 (16.Qc2!?+=) 16...Rae8 17.Qc4 Kh8 18.Kg2 Bb6 19.Qd3 Ne7 20.c4 White intends d5 20...c5 (20...Qg4 21.Rac1=) 21.d5 f4? (better 21...Ba5!?=) 22.ef4?? (better 22.Qg6 Ng6 23.gf4+/-) 22…Qd3-+ 0-1. bvamrx (2000) - ModestasS (2030), lichess.org, 2021.

7.Bb2 Nc6 8.c3 Bg4 9.Be2 Bf3 10.Bf3 Ne5 11.Be2 c6 12.d4 Ng6 13.0-0 d5 14.Nd2 Bc7 15.g3 Re8 16.Bd3 Qd7 17.c4 Ng4 (17...dc4 18.Nc4 Qh3 19.Qf3=) 18.Qf3 h5 (18...Nf6 19.Rab1+=) 19.cd5+/- cd5 (19...Qd5 20.Qd5 cd5 21.Rac1+/-) 20.Nb3 (better 20.Rfc1+/-) 20...h4?? (better 20...Nf6+=) 21.Nc5+- Qc8 22.Bf5 Nh2 23.Kh2 Qd8 24.Nb7 Qg5 25.Rg1?? (better 25.Bc1+-) 25...hg3-+ 26.fg3 Re3 27.Qg4 (27.Qd5 Rg3 28.Qf7 Kh8 29.Qg7 Kg7 30.d5 Rc3 31.Rg3 Qg3 32.Kh1 Qh2) 27...Qh6 28.Qh3 Rg3?? (better 28...Re2 29.Rg2 Rg2 30.Kg2 Qd2 31.Kh1 Qb2-/+) 29.Rg3+/- Bg3 30.Kg3 Qf4 31.Kg2 Nh4 32.Kh1 Nf5 Attacking the isolated pawn on d4 33.Rf1?? (better 33.Nc5=) 33...Ng3-+ 34.Kg1 Qf1 35.Qf1 Nf1 36.Kf1 Rb8 37.Bc3 (37.Na5 Rb2 38.Nc6 Rb7-+) 37...Rb7 38.Bb4 (38.Kf2-+) 38...Rb4! 39.ab4 f5 40.Kf2 g5 41.Ke2 g4 42.Kf2 f4 43.b5 Kf7 (43...Kf7-+) 0-1. bvamrx (2000) - emateo (2110), lichess.org, 2021.

7.e3 a6 8.Be2 c5 9.c4 Bg4 (9...d5 10.cd5 Nd5 11.Qc2=) 10.Nc3 (10.0-0 d5=) 10...Nc6 11.0-0 Bf3 (11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.d4=) 12.Bf3+= (worse is 12.gf3 Bc3 13.Bc3 d5+=) 12...Rc8 (12...Ne5 13.Be2+= (13.Bb7? Rb8-+)) 13.Rb1+/– Qc7 14.Ne4 Ne4 (14...Nd7 15.d3+=) 15.Be4 Ne7 16.Qg4 (16.Ba1 Rb8+/–) 16...f5?? (better is 16...Ng6+/–) 17.Qg7 1–0. Janek – Tundja, internet, 2017.

7.e3 c5 8.c3 Nc6 9.Be2 Ne5 10.0-0 (10.c4 Qb6 11.Ra2 Bg4=) 10...Qc7 (10...Qb6 11.Bc1=+) 11.d4 Ng6 (11...Nf3 12.Bf3 c4 13.e4=) 12.Nbd2 a6 13.Nc4 Bb6 14.d5 (14.Nb6!? Qb6 15.Rb1+=) 14...Ba7= 15.a4 Rb8 (15...Ne7 16.Re1=) 16.a5 (16.Na3 Re8=) 16...Bd7 (16...Ne7 17.Ncd2 Nfd5 18.Bd3=+) 17.Ba3 (17.Qd3 Bb5=) 17...Bb5 (17...Ne7 18.Bb2=+) 18.Bc1 (18.Qc2 Nd5 19.Rfd1 Bc6=+) 18...Rbe8 19.h3 (19.Re1 Ne7=+) 19...Ne4 (19...Ne7!?=+) 20.Bb2 Qe7 21.Re1 (21.Ncd2 Nd2 22.Nd2 Bd7+=) 21...h6 (21...Nh4 22.Nh4 Qh4=+) 22.Nh2 (22.Ncd2 Be2 23.Qe2 Rb8+=) 22...Ne5?? (better 22...Nf2 23.Kf2 Bc4 24.Bc4 Qh4 25.Kg1 Qc4-+) 23.Ne5+= Qe5 24.Bb5 ab5 25.Ng4 (25.Nf3 A) 25...Nc3? 26.Qc2 (26.Ne5?! Nd1 27.Red1 de5=) 26...Qd5 27.Qc3+-; B) 25...Qe7+=) 25...Qe7 (25...Nc3? 26.Qc2 (26.Ne5?! Nd1 27.Red1 de5=) 26...Qd5 27.Qc3+- (27.Bc3?! b4+/-)) 26.a6 (better 26.f3 f5 27.Nh6 gh6 28.fe4 Qe4 29.Rb1=) 26...b6?? (better 26...c4!? 27.Qf3 f5-/+) 27.Qd3 (27.f3!? Ng3 28.e4+/-) 27...c4+= 28.Qc2 (28.Qd4 f5 29.Nh2 Qf7=) 28...f5= 29.Nh2 Qf6 (29...Qf7!?=) 30.Nf3+/- Qg6 (30...Qf7!?+/-) 31.Nd4+- Ra8 32.Nc6 (32.Nb5 Ng5 33.Kh1 Ne4+-) 32...Rf7 33.Kh2 (33.Reb1 Nf6+/-) 33...h5 (33...Qf6 34.Reb1+/-) 34.Rg1 (34.Ba3 Qf6 35.Bb4 h4+/-) 34...h4 (34...Re8 35.Rgd1+/-) 35.Qe2 (35.Rgb1!?+/-) 35…Kh7 0-1. bvamrx (2000) - NDHLFLS (2085), lichess.org, 2021.

7.e3 c5 8.c4 Bf5 (8...Nbd7 9.Be2=) 9.Nc3 (9.Be2 Re8=) 9...Nc6 10.Be2 d5 11.cd5 (11.Qb3 dc4 12.Qb7 Rb8 13.Qc6 Rb2-/+) 11...Nd5 12.Rc1 Nc3 (12...Bc3 13.Bc3 Rc8 14.Qb3 Nc3 15.dc3=) 13.Bc3 Bb6 (13...Rc8 14.Ba5 Qa5 15.Qb3=) 14.0-0 Bd3 15.a4 (15.Ne1 Bg6=) 15...Re8 16.Bd3 Qd3 17.Rb1 Rad8 18.Rb5 Re6 (18...Re4 19.Qa1 Rg4 20.Ne1=) 19.Qb3 (19.Qb1 Qc4 20.a5 Nb4 21.ab6 Qb5 22.ba7 Ra6+=) 19...Nb4+= 20.Ng5 Re7 21.Qb1 Qb1 22.Rb1 Nd5 23.a5 Nc3 24.dc3 (24.Rb6?? Rd2 25.R6b3 Nb1 26.Rb1 Ra2-+) 24...Bc7 25.Rc5 (worse is 25.Rb7 Red7 26.Kf1 Ba5=) 25...b6 26.ab6 Bb6 27.Rc6 Ree8 (27...Red7 28.Kf1+/–) 28.Kf1 Rc8 29.Rc8 Rc8 30.Rb3 h6 31.Ne4 f5 (31...Bc7 32.Ke2+/–) 32.Nd6 Rc5 33.Ke2 Bc7 34.Nb5 a5 35.Kd3 (35.Nc7 Rc7 36.Ra3 Ra7+/–) 35...Bh2+= 36.g3 g5 (36...Bg1 37.Ke2+/–) 37.Nd4 f4 38.gf4 (38.Rb8!? Kf7 39.Rb7 Kg6 40.ef4 gf4 41.g4+/–) 38...gf4+= 39.e4 Rg5 (39...Kf7 40.Nf3 Rh5 41.Ra3+- (41.Nh2?! Rh2 42.Ra3 Rf2=)) 40.Rb8 Kf7 41.Rb7 (41.Ra8 Rg2+/–) 41...Ke8 42.Ra7 Rg2 43.e5 (43.f3 Ra2+/–) 43...Bg1 44.f3 Ra2 45.Ke4 (45.Rh7 a4+-) 45...Bf2 (45...Ra3 46.Ra8 Kf7 47.e6 Ke7 48.Ra7 Kf8 49.Rf7 Kg8+-) 46.e6 Kf8 47.Ke5 Re2 48.Kd6 White prepares e7 (48.Ne2?! Ba7 49.c4 Bb8 50.Kf6 Bd6+/–; 48.Kf4?! Bd4 49.cd4 Re6 50.Ra5 Re7+-) 48...Bd4 (48...Re1+-) 49.cd4 (49.Ra5? Bc3 50.Rf5 Ke8-+) 49...h5 50.Ra5 h4 51.Ra8 (51.Rh5 Kg7 52.e7 h3 53.Rh3 Kf6+-) 51...Kg7 52.e7 h3 53.e8Q Re8 54.Re8 h2 55.Re1 (55.Re1 Kf6 56.d5+-) 1–0. forsetinn (2445) – andytop10 (2060), gameknot.com, 2015.

7.e3 c6 8.Be2 Bc7 9.c4 a6 10.0-0 b5 11.d4 bc4 12.Bc4 d5 13.Bd3 Nbd7 14.Nbd2 Re8 15.Rc1 Rb8 16.Ba1 Bb7 17.Nb3 1-0. jhonores (2200) - Makeqa (2110), Rated Blitz game, lichess.org, 2020.

7.e3 Nc6 8.c4 Be6 9.Qc2 d5 10.Ng5 d4 11.Be2 Qd7 12.Ne6 fe6 13.0-0 e5 14.e4 Rad8 15.d3 Ne7 16.Nd2 Ng6 17.g3 Qh3 18.f3 Nh5 19.Rf2 Rf6 20.Bf1 Qe6 21.Nb3 Bb6? (better is 21...Bc3+=) 22.c5+- Rc8 23.Qc4 Qc4 24.dc4 Bc5 25.Nc5 Rc6 26.Nd3 (26.Nb7?! Rb8 27.c5 Rb7 28.Bc4 Kf8+/–) 26...Rc4? (26...Nf6+-) 27.Nf4 ef4 28.Bc4 Kh8 29.g4 Nf6 30.Bd4 Ne7 31.Bf6 gf6 32.Rd1 1–0. combijack (1760) – swarnamuki (1840), gameknot.com, 2010.

7.e3 Nc6 8.c4 Bf5 9.Be2 Re8 10.0-0 Ne5 11.d4 Nf3 12.Bf3 Ne4 13.Be4 Be4 14.Nc3 Qh4 (14...Bc3!? 15.Bc3 Qg5-/+) 15.g3 Qh3 16.Ne4 Re4 17.Qf3 Re6 (better is 17...Rae8!?=) 18.Qb7+/– Rae8 19.Qg2 (19.Qa7 Rh6 20.Rfe1 Qh2 21.Kf1 Rf6-+) 19...Qf5 20.Rac1 White prepares the advance c5 20...h5 (20...Re4 21.Rfd1+/–) 21.c5 h4 22.cd6 (22.gh4? Rg6 23.Qg3 Bd2-+) 22...h3 23.Qh1 cd6 24.Rc6 d5? (24...Qb5 25.Bc1 Re4 26.Rd6 Bc7=) 25.Rc5+- Bd2 26.Qd5 (26.Rd5?! Qd3 27.Re5 Re5 28.de5 Rb8=) 26...Qg4 27.Qh5 Qh5 28.Rh5 Rh6? (28...Rb8 29.d5 Ra6+-) 29.Rh6 gh6 30.Bc1 Bc1 31.Rc1 Re6 32.Kf1 Ra6 33.Rc3 h5 34.Ke2 Rg6 35.f3 Kg7 36.Kd3 f5 37.Rc7 Kh6 38.Ra7 h4 39.gh4 Rg2 40.Rc7 Rh2 41.Rc1 Ra2 42.d5 Ra3 43.Kd4 Ra4 44.Ke5 Rh4?? 45.d6 Kg5 46.Rg1 Kh5 47.d7 h2 48.Rh1 1–0. combijack (1750) – la_vidas, gameknot.com, 2009.

7.e3 Nc6 8.Bc4 Be6 9.Be6 fe6 10.Nc3 h6 11.0-0 Rf7 12.d4 Qe7 13.d5 Bc3-/+ 14.Bc3 Nd5 15.Bb2 Raf8 16.Nd4?? Nd4 17.Qd4-/+ c5 18.Qd2 Nf6 19.f3 d5 20.a4 b6 21.Qe2 e5 22.a5 d4 23.ab6 ab6 24.Ra6 Qd6 25.Rfa1 Nd5 26.e4 Ne3 27.Rb1 Qg6-/+ 28.Bc1?? Rf3-+ 29.Be3 Re3 30.Qc4 Kh7 31.Rab6 Qb6!? (31...Qb6 32.Rf1 Rc3-+) 0–1. Erbe,Holger (1665) – Kleine,Joachim, DESC, 2000.

7.e3 d5 8.Be2 Nc6 9.0-0 Bf5 10.d3 Re8 11.Nbd2 Qe7 12.c4 Rad8 13.Bf6 (13.Rc1 Qe6=) 13...Qf6 14.cd5 Bc3?? (14...Rd5 15.e4 Bd2 16.ed5 Bc3 17.dc6 Ba1 18.Qa1 Qc6+-) 15.dc6 +/–.

7.e3 Ne4 8.Bd3 Re8 9.c4 Bg4 10.h3 Bf5 11.0-0 Nf2 12.Rf2 Bd3 13.Nd4 Qh4 14.Rf4 Qg3 15.Nf5 Bf5 16.Rf5 Nc6 17.h4 Qh4 18.Rf4 Qg3 19.Rg4 Qg4 20.Qg4 Ne5 21.d4 Ng4 22.e4 Re4 23.Nd2 Bd2 24.Rd1 Be3 25.Kh1 Nf2 26.Kh2 Nd1 27.d5 Nb2 0–1. Nautiluschess – rusalka, ICS blitz, 2000.

7.e3 Be6 8.c4 Nbd7 9.Be2 Re8 (9...Nb6 10.Qb3 c6 11.Bc3 Bc3 12.Nc3=) 10.0-0= c6 11.Nd4 Nc5 12.Ne6 Ne6 13.Nc3 d5 14.cd5 cd5 15.Rc1 d4 16.Nb5 d3 (16...Ne4 17.Nd4 Nd2 18.Re1+=) 17.Bf3 Qd7 18.Bf6 Qb5 19.Rb1 Qc4 20.Ba1 Rac8 21.Bb7 Rc7 22.Qf3 Rd8 (22...Bd2!? 23.Bd5 Qa6+/–) 23.e4+/– Qc5 (23...Nd4 24.Bd4 Qd4 25.Bd5+/–) 24.Bd5 Qa3 (24...Bd2 25.Qd3 Bf4 26.Qh3+/–) 25.Be5+- Rcd7 26.Ra1 Qc5 27.Rfc1 (27.Qd3?! Rd5 28.ed5 Rd5+/–) 27...Qb5 28.Rab1 Qa6? (better is 28...Rd5 29.ed5 Qd5 30.Qd5 Rd5 31.Rb8 Bd8+-) 29.Bc4 Ng5 (29...Qc6 30.Bb5 Qb7 31.Ba4+-) 30.Ba6 Nf3 31.gf3 Bd2 32.Rc7 Ba5 33.Rd7 Rd7 34.Rb8 Bd8 35.Bc7 d2 36.Be2 (36.Rd8? Rd8 37.Be2 d1Q 38.Bd1 Rd1 39.Kg2 Rd2-+) 36...d1Q 37.Bd1 Rd1 38.Kg2 h6 39.Bd8 Kh7 40.f4 Rd4 41.f3 Rd2 42.Kg3 Rd1 43.f5 Rg1 44.Kf2 Rh1 45.Bc7 Rd1 46.e5 Rd2 47.Ke3 Rd7 48.Ba5 Rd5 49.Bc3 Rc5 50.Kd4 Rc6 51.Bb2 Rc2 52.e6 (52.e6 fe6 53.fe6+-) 1–0. chuckhar (2315) – hahaha (1975), gameknot.com, 2014.

7.e3 Be6 8.Bd3 h6 (8...Nbd7 9.Ng5 d5 10.0-0=) 9.0-0= Bg4 10.Nc3 Nc6 11.h3 Bh5 12.Ne4 Ne5 13.g4 (13.Be5 de5 14.Rb1 b6=) 13...Bg6 14.Ne5 Be4 (14...de5 15.Qf3=) 15.Be4 (15.Nc4 Bd3 16.cd3 Bb6+=) 15...de5 16.Bd3 (16.Bg2 A) worse 16...Bd2 17.Be5 Nd7 18.Bg7 (18.Qd2?! Ne5 19.Qd8 Rad8+=; 18.Bb7? Ne5 19.Qe2 Rb8-+) 18...Kg7 19.Qd2+-; B) 16...Re8=) 16...Qd6 17.f4 Nd7 (17...e4 18.Bc4=+) 18.fe5= Ne5 19.Qe2 (19.Be5 Qe5 20.Qe1 c5=) 19...Nd3=+ 20.cd3 Qg3 (20...Rad8 21.d4=+) 21.Qg2 Qg2 22.Kg2 Bd2 23.e4 Rad8 24.d4 Rfe8 25.e5 (25.Kf3 Rd6 26.Rab1 Rde6=+) 25...Re6 (25...Ba5 26.Rad1-/+) 26.Rad1=+ Ba5 27.Kf3 (27.d5!? Re7 28.Kf3=+) 27...Rd5 28.Ke4 c6 29.h4 Bd8 30.h5 f6 31.Bc3 (31.Rde1 Be7 32.Re3 g6=+) 31...Bc7 32.Kf5 Kf7 33.Rfe1 Ba5 34.Bb4 (better 34.Ba5 Ra5 35.Rb1-+) 34...Bc7?? (better 34...Bb4!? 35.ab4 fe5 36.de5 Ree5 37.Re5 Rd1-+) 35.Bc3-/+ Ba5 (better 35...Bd6 36.a4 a5-/+) 36.Bb4-+ Bb4 37.ab4 fe5 38.de5 Ree5! 39.Re5 Theme: Deflection from d1 39...Rd1 40.b5?? (40.Rc5-+) 40...Rd5 (better 40...Rf1 41.Ke4 Re1 42.Kd4 Re5 43.bc6-+) 41.Rd5 cd5 42.Ke5 a5 43.Kd5 a4 44.Kc4 a3 (44...b6!? 45.Kb4 Kf6 46.Ka4-+) 45.Kb3 a2! 46.Ka2 Kf6 (46...Ke6 47.b6 Kd5 48.Kb3-+) 47.Kb3 Kg5 (better 47...b6!?-+) 48.Kc4-/+ Kg4 49.Kc5 Kh5 50.Kb6 g5 51.Kb7 g4 52.b6 g3 53.Kc8?? (better 53.Kc6-/+) 53...g2-+ 54.b7 g1Q 55.b8Q Qg8 56.Kc7 Qb8 57.Kb8 0–1. kaalmakreel (2205) – petrobbo (2120), ChessWorld.net, 2014.

7.e3 Be6 8.Be2 Nbd7 9.0-0 Nb6 10.Nc3 Nc4 11.Bc4 Bc4 12.Ne2 =.

7.e3 Re8 8.Be2 Nc6 9.0-0 d5 10.d3 Bg4 11.Nbd2 Qe7 12.Rb1 Bb6 13.Re1 Rad8 14.c4 a6 15.Qb3 dc4 16.Qc4 Be6 17.Qf4 Nd5 18.Qg3 +=.

7.e3 Re8 8.Be2 Nc6 9.0-0 Be6 10.c4 a6 11.d4 Bd7 12.Qc2 b5 13.cb5+/– ab5 14.Bb5 Ne7 15.Bd3 Qb8 16.Nbd2 Nc8 17.Rab1 Nb6 18.Ng5 g6 +-. malaysianisme – minn (2000), net–chess.com, 2004.

7.e3 Bf5 8.Nd4 Be4 9.Nc3 Bc3 10.Bc3 Nd5 11.Bb2 c5 12.d3 Qa5 (< 12...cd4 13.de4 Nf6 14.Qd4+/–) 13.Qd2 Qd2 14.Kd2 Bg6 15.Nb5 Rd8 16.Be2 (16.e4 a6+/–) 16...a6 (16...Nc6 17.Bf3 Nde7 18.Nc7+=) 17.Bf3 +/–.

7.e3 Bg4 8.Nc3 c6 9.h3 Bh5 10.g4 Bg6 11.Bg2 Nbd7 12.0-0 Ne4 13.Ne4= Be4 14.d3 Bg6 15.Nd2 d5 16.Nb3 Bc7 17.Qd2 Qe7 18.Qb4 Qb4 19.ab4+= b6?? 20.b5!+- Ne5 21.bc6 Rad8 22.Ra7 Bb8 23.c7 Ba7 24.cd8R Rd8 25.Be5 f6 26.Bg3 Bf7 27.Nd4 Kf8 28.Ra1 Bb8 29.Nc6 (29.Nc6 Rc8 30.Nb8 Rc2 31.Nd7 Ke8 32.Nb6+-) 1–0. hardgamer – babo, internet, 2006.

7.e3 Bg4 8.Bc4 d5 9.Bb3 c5 10.c4 dc4 11.Bc4 Nc6 12.h3 Bh5 13.g4 Bg6-/+ 14.Qe2 Rb8 15.Ne5 Ne5-/+ 16.Be5 Qe8 17.Bb8+= Bb1? 18.Bd6 Qe4 19.Bf8?? Qh1= 20.Qf1 Bd2?? 21.Ke2 Qf1 22.Kf1+/– Kf8 23.Rb1 b6 24.Rd1 Bc3 25.Rd3 Be5 26.f4 Bc7? 27.Rd7?? Nd7-+ 28.Ke2 f6 29.Be6 Ke7 30.Bg8 h6 31.Bc4 Nf8 32.Kd3 Ng6 33.Ke4 Nh4 34.Kd3 g5 35.fg5 hg5 36.Bd5 Kd6 (37.Bc4 Nf3-+; 36...b5 37.Kc2-+) 0–1. Graham,Victor – Schultz,Doug, IECG Cat–C, 1995.

7.e3 Bg4 8.Be2 Nc6 =.

7.e3 Bg4 8.Be2 Ne4 9.0-0 Ng5 10.Nd4 Be2 11.Qe2 Qd7 (11...Qd7 12.Qh5 f6+=). magne – erch, ChessWorld.net, 2005.

7.e3 Qe7

8.Bc4 Be6 9.Qe2 d5 10.Bd3 Ne4 11.Nc3 f5 12.Rb1 Re8 (12...Nc3 13.dc3 Nd7 14.0-0=+) 13.h3 (13.Be4!? de4 14.Nd4=) 13...Nc3 =+.

8.Be2 Nc6 9.0-0 Bf5 10.d3 Rfe8 11.Nc3 h6 12.Nb5 Nd5 13.Kh1 Rad8 14.c4 Nf4? 15.Nfd4 +/–.

8.Bf6 gf6 9.c3 +=.

8.Bf6 Qf6 9.c3 Nd7 10.Qa4 Qf5 (10...Nc5 11.Qa5 Nb3 12.Qb4 Na1 13.Qb2+/–) 11.Be2 Nc5 12.Qc4 Be6 13.Qh4 Nd3 (13...Qc2 14.0-0 Qe4 15.Qe4 Ne4=) 14.Bd3 =+.

6.a3 Bc5

7.d4 Bb6 8.e3 Ba5 9.Bc3 c6 10.Ba5 Qa5 11.Qd2 Qh5 12.Qb4 c5 13.Qb5 b6 14.Bd3 Bd7 15.Qc4 b5 16.Qc3 Bh3 17.0-0 Bg2! -+.

7.d4 Bb6 8.e3 Bf5 9.Bd3 Bd3 10.Qd3 Nbd7 11.c4 d5 12.cd5 Nd5 13.0-0 c6 14.Nc3 Nc3 15.Bc3 Re8 16.Qf5 Nf6 17.Rab1 Ne4 18.Rfc1 Nd6 19.Qf4 Re4 20.Qg5 f6 21.Qh5 Qd7 22.Nd2 Rg4 23.Bb4 Nf7 24.h3 Rg6 25.Ne4 Re8 26.Ng3 Rg3 27.fg3 Re3 28.Bc5 Rg3 29.Re1 Rg5 30.Qf3 Bc5= 31.dc5 h6 32.Rbd1 Rd5 33.Rd5+/– cd5 34.Rd1 d4 35.Qe3 Ne5 36.Rd4 Qc7 37.Ra4 Nc6 38.Qe6 Kh8 39.Re4 Ne5 40.Qd6 Qc8 41.Ra4 Nc6 42.Rf4 Kh7 43.Qd5 Qc7 44.Rf1 Ne5 45.Rb1 b6 46.cb6 ab6 47.Qe4 g6 48.Qb4 Qc5 49.Qc5 bc5 50.a4 Nc6 51.Rb6 Na5 52.Rb5 Nc6 53.Rc5 Nb4 54.a5 Kg8 55.Rb5 Na6 56.Rb6 Nc5 57.Rc6 Nd7 58.a6 Kf7 59.a7 1–0. marekt (2430) – ancientmage (2595), ChessWorld.net, 2003.

7.e3 c6 8.d4 Bb6 (8...Qb6 9.Bc3 Nbd7 10.Bd3+-) 9.Bd3= Be6 (9...Ba5 10.Bc3=) 10.Nbd2 Nbd7 11.0-0 Re8 12.Ng5 d5 (12...Bd5 13.c4 Be6 14.Ne6 fe6 15.Qb3+=) 13.Ne6 +=.

7.e3 Bg4 8.Be2 Nbd7 9.0-0 Qe7 10.d4= Bb6 11.Nbd2 c5 12.dc5 Nc5 13.Nd4 Be2 14.Qe2 Nce4 15.N2f3 Rac8= 16.Nf5 Qd7 17.N3d4 Bd4 18.Nd4 Ng4?? 19.h3?? Ngf2 20.Rf2+/– Nf2 21.Qf2 f6 22.Qg3 Qa4? 23.Rf1 Rc5?? 24.Ne6 Rf7 25.Nc5 dc5 26.e4 Qc2 27.Bc1 Qe4 28.Rf4 Qe5 29.Rf2?? Qd4 30.Bb2+/– Qd1 31.Kh2 Qe1 32.Qb8 Rf8 33.Qf4 c4? 34.Qc4+- Kh8 35.Qc5 Re8 36.Bd4 b6 37.Qc6 Qe7? 38.Qf3 Qc7 39.Kh1 Re2?? 40.Re2 h6 41.Qe4 Qf7 42.Qe8 Kh7 43.Qf7 b5 44.Re7 a6 45.Qg7# 1–0. BfreeToLose – liencam2 (1605), Live Game Caissa's Web, 2006.

6.Nc3 Nc6

7.a3 Bc3 8.Bc3 Bg4 9.Bf6 (9.Qb1 Rb8=) 9...Qf6+= (worse is 9...gf6 10.e3+=) 10.c3 Rfe8 11.e3 Ne5 12.Be2 Bf3 13.gf3 a6 14.f4 Ng6 15.Qb3 b5 16.0-0-0 (16.Qd5 c5+=) 16...c5 (16...Nf4 17.Bf1 Ne6 18.Bg2-+) 17.Rdg1 (17.Bf3!? Rab8 18.Rdg1-/+) 17...Nf4!-+ 18.Bf1 (18.ef4 Re4 Double attack (18...Re2 Pinning; 18...Re2 Deflection; 18...Re4 Decoy)) 18...c4 19.Qd1 Nd3 (19...Ne6!? 20.Bg2 Rab8 21.Qf3-+) 20.Bd3-/+ cd3 21.Qg4 g6 22.Rg3 (22.h4!?-/+) 22...Qf2-+ 23.Rf3 Qe2 24.Rhf1? (24.Qf4 Rf8 25.Rf2 Qh5 26.Qd6 Rad8-+) 24...Rac8 (better is 24...Re3! 25.Qf4 Rf3 26.Rf3 f5-+) 25.Qd4-/+ Qh2 26.Rf7 Re3?? (better is 26...Qe5 27.Qd3 Rf8-/+) 27.Qg7# 1–0. Baer,Cy (1895) – Goebel,Martin (1805), RSS5E easy–49, 2008.

7.e3 d5 8.Bb5 (8.a3 Bd6+=) 8...Re8 (8...Ne4 9.Rb1+=) 9.a3 (9.Rb1 Bg4+=) 9...Bd6 10.h3 (10.Be2 a6+=) 10...Bd7 11.0-0 a6 12.Ba4 b5 (12...Ne5 13.Ne5 Be5 14.Bd7 Qd7 15.Rb1+=) 13.Bb3 Ne7 (13...Be6 14.Ng5+=) 14.d4 (14.e4!? de4 15.Ng5=) 14...c6 (14...Bf5 15.Re1+=) 15.Re1 (15.Ne5 Bf5+=) 15...Ng6 16.Qd3 (16.Nd2 Bf5+=) 16...Ne4-/+ 17.Nd2 (17.a4 b4 18.Nb1 Bf5-/+) 17...Bh3 (17...Nd2 18.Qd2 Nh4 19.Kf1-/+) 18.gh3 (18.Nce4 Bf5 19.Nd6 Bd3 20.Ne8 Bc4 21.Ng7 Kg7-/+) 18...Nf2 19.Kf2?? (19.Qf5 Qg5 20.Qg5 Nh3 21.Kg2 Ng5 22.e4 Nh4 23.Kf1+=) 19...Qh4-+ 20.Kf1 (20.Ke2 Nf4 21.Kd1 Qh5 22.Kc1 Nd3 23.cd3 Qh3 24.Nf1-+) 20...Qh3 21.Kg1 (21.Ke2 Nf4 22.Kd1 Nd3 23.cd3 Re3 24.Re3 Qe3-+) 21...Bh2 (21...Qh2 22.Kf1 Nh4 23.Bd5 cd5 24.Qh7 Kh7 25.Re2 Qh1 26.Kf2 Qg2 27.Ke1 Qg1 28.Nf1 Nf3 29.Kd1 Qf1 30.Re1 Qe1) 22.Kf2 Bg3 (22...Bg3 23.Ke2 Nf4 24.Kd1 Nd3 25.cd3 Be1 26.Ke1 Re3 27.Kd1 Rd3-+) 0–1. Schlossberg,M – Franklin,M, Stanford California, 1972.

7.e3 Be6 8.Be2 +=.

7.e3 Re8 8.Be2 =.

7.e3 Bg4 8.Bc4 d5 9.Bb3 Ne4 10.0-0 d4?? 11.Ne4+- Re8 12.Ng3 de3 13.fe3 Bd2 14.Qd2 Qe7 15.Qc3 Qf8 16.Rad1 Re7 17.Ba3 (17…Rae8 18.Ng5+-) 1–0. Boehmert,Andy – Zollondz,Mark, GER–ch U14 int, 1999.

7.e3 Bg4 8.Be2= Qd7 (8...Re8 9.0-0=) 9.0-0 (9.a3 Bc3 10.Bc3 Nd5=) 9...Rfe8 10.h3 (10.Rb1 a6=) 10...Bh5 (10...Be6 11.a3 Bc3 12.Bc3=) 11.a3 Ba5 (11...Bc3 12.Bc3 Nd5 13.Bb2=) 12.Rb1 Bb6 (12...Qe6 13.Nb5=) 13.Na2 (13.g4 Bg6=) 13...Qe6 14.Nc3 Bg6 (14...Ba5 15.Nb5=) 15.Nh4 Ne7 16.Bf3 c6 (16...c6 17.Ng6 Ng6=). Hendriks,Marrien – Ciesla,Daniel, SL–2006–0-00048, 2006.

6.e3 c5

7.a3 Ba5 8.Be2 a6 9.0-0 b5 10.c4 Bd7 11.d4 bc4 12.Bc4 Bb5 13.Qe2 Qb6 14.Bb5 ab5 15.Nbd2 c4 16.Rfc1 Nbd7 17.Rab1 Qa6 18.Bc3 Nd5 19.Bb4 Rfc8 20.Ba5 Qa5 21.Nc4? (better is 21.Ne4 Qa3 22.Nh4-/+) 21...bc4-+ 22.Rc4 Nc3 23.Rc8 Rc8 24.Qd2 Qa3 25.Re1 Nf6 26.h3 Nfe4 27.Qd3 Qb2 (27...Qb2 28.Rf1 Qe2 29.Qe2 Ne2 30.Kh2 Rc1 31.Rc1 Nc1-+) 0–1. reborntrice – vaha (1660), gameknot.com, 2008.

7.c4 Bg4 8.Be2 Nc6 9.0-0 Re8 10.Nc3 d5 11.cd5 Nd5 12.Qc2 b6 13.Ne4 Bf5 14.d3 a5?? 15.a3+- a4 16.Ng3 Bg6 17.ab4 Ndb4 18.Qc3 Nd3?? 19.Qg7# 1–0. pierre_d – Heeres Roeper, chessmaniac.com, 2006.

7.Bc4 d5 8.Bb3 c4 (8...Bd7 9.a3 (9.c3 Ba5 10.d3 Nc6 11.0-0 Bf5 12.Na3 Re8=+) 9...Ba5 10.0-0 Re8 11.d3 Nc6 12.Nbd2 Be6=) 9.Ba4 (9.a3 Be7 10.Ba2 Qb6 11.Bd4 Qa6 12.Ne5 Nc6=+; 9.c3 Bd6 10.Bc2 Qb6 11.Ba3 Ba3 12.Na3 Bg4=+) 9...Nbd7 (9...a6 10.Be5 b5 11.c3 Be7 12.Bc2 Nc6=+) 10.Nc3? (better is 10.0-0=+ Nb6 11.c3 Na4 12.Qa4 Ba5-/+) 10...Nc5-+ 11.Nb5 Na4 12.Bf6 Qf6 13.c3 Nb2 14.Qc2 Nd3 15.Ke2 Bf5 16.Qa4 Bc5 17.Nc7 Rad8 18.Rab1 Qg6 19.Kf1 Nf4! 20.ef4 Bb1 21.Qb5 Qd3 22.Kg1 Qe2 23.h3 Bf2 24.Kh2 Be4 25.Ng5 Bg3! 26.Kg3 Qg2 27.Kh4 Qf2 28.Kg4 f5 29.Kh5 g6 30.Kh6 Qh4 0–1. Kleine,Joachim – Walther,Manfred (1890), DESC, 2000.

7.Be2 a6 8.c4 Nc6 9.0-0 Ba5 10.d4 cd4 11.Nd4 Nd4 12.Qd4 Bb6 (12...Re8 13.Rd1+=) 13.Qf4 Qe7 (13...Ne8 14.Rd1+/-) 14.Nd2 (14.Bf6 Qf6 15.Qf6 gf6+/-) 14...Bc5 (14...Nd7 15.Ne4+/-) 15.Rad1 Be6 16.Qg3 (16.Bf6 Qf6 17.Qf6 gf6+/-) 16...Kh8 (16...Ne8!?+=) 17.Ne4+/- Rg8?? (better 17...Ne8+/-) 18.Qh4+- (18.Nd6?! Rad8 19.Be5 b6+/-) 18...Rae8 (18...Bf5 19.Nf6 (19.Bf6?! Qe4 20.Qe4 Be4+/-) 19...Rgd8 20.Qg5+-) 19.Nf6 (19.Bf6?! gf6 20.Nf6 Rg7+-) 19...Ba3 (19...Bf5+-) 20.Qh7 1-0. Pereira – Mossiey, internet, 2021.

7.Be2 Qc7 8.Bf6+/- gf6 9.Nh4 (9.c3 Ba5+/-) 9...Kh8 10.0-0 Rg8 11.a3 Ba5 12.Nc3 Bc3 13.dc3 Be6 14.c4 Nd7 15.Qd2 Rg5? (better 15...Rad8+=) 16.f4+- Rg7 (16...Rg4 17.Bg4 Bg4 18.h3+-) 17.f5 Rg2?? (17...a5+-) 18.Ng2 Bf5 (18...a5 19.Rad1 Ra6 20.Nf4+-) 19.Rf5 Rg8 20.Rd1 Qc6 (20...Rg5 21.Rf4+-) 21.Bf3 d5 (21...Qb6 22.Qd6 Ne5 23.Bb7 Nc4 24.Qf6 Qf6 25.Rf6+-) 22.Bd5 Qc8 23.Bf7 Rg7 (23...Ne5 24.Re5 Qc7 25.Bg8 fe5 26.Be6+-) 24.Qd7 (24.Qd7 Rg5 25.Qc8 Kg7 26.Qg8 Kh6 27.Qf8 Rg7 28.Rh5) 1-0. Oldenev – Gerry, internet, 2021.

7.Be2 Nbd7 8.c3 (8.a3 Ba5=) 8...Ba5 9.Qc2 d5 10.c4 (10.0-0 Bc7=) 10...Qb6 (10...dc4 11.Na3=+) 11.Na3 (11.cd5 Nd5 12.0-0 Qd6=) 11...a6 12.cd5 Nd5 13.Nc4 Qc7 (13...Nb4 A) < 14.Nb6 Nc2 15.Kd1 Ne3 (< 15...Bb6 16.Kc2 Bc7 17.d4+=) 16.fe3 Nb6=+; B) 14.Qa4 Qg6 15.Na5 (< 15.Qa5 Nc2 16.Kf1 Na1-+) 15...Nc2 16.Kf1 Na1 17.Ba1 Qb1 18.Qd1 Qa2 19.Nb3=) 14.Ng5 N7f6 15.Ba3 g6?? 16.f4 b5 17.Na5+/– Qa5 18.f5?? c4 19.fg6?? c3?? 20.gf7 Rf7 21.Qb3?? Qd8?? 22.e4?? Ne4? 23.dc3?? Ndc3 24.Qf7 Kh8 25.Qh7 1–0. Sass,Andreas – Lubisch,Gerwalt, Pinneberg–ch op, 1991.

7.Be2 Be6 8.0-0 =+.

7.Be2 Nc6

8.0-0 Ba5 9.c4 a6 (9...d5 10.cd5 Nd5 11.Qc2=) 10.d4 Qb6 11.Qb3 Qb3 12.ab3 Bd8 (12...Re8 13.d5 Bb4 14.Bf6+-) 13.Nbd2 Re8 14.d5 Nb4 15.Bc3 b6 16.Bb4 cb4 17.Nd4 Bd7 18.Nc2 a5 19.Nb4! Be7 20.Nc2 Bf8 21.Nd4 Rac8 22.Bd3 Ng4 23.h3 Ne5 24.Be2 f5 25.f4 Nf7 26.Kf2 g6 27.N2f3 h6 28.Bd3 Kh7 29.Rab1 Re7 30.Nh4 Rce8 31.Rfe1 Bg7 32.Nhf3 Bf6 33.g3 Kg7 34.b4 ab4 35.Rb4+/– Rb8 36.Reb1 Rbe8 37.Nc2 (37.Nc2 Bc3 38.Rb6+-) 1–0. Valles,L – Orti,M, Alfafar–Morella, 1991.

8.0-0 d5 9.a3 Ba5 10.d4 (10.c4 dc4 11.Bc4 Bg4=) 10...c4=+ 11.Bc3 Bc7 12.Nbd2 Re8 13.Qb1 Ne7 (13...Qe7 14.Qb2=+) 14.Qb2 Nf5 (14...Rb8 15.Ne5=+) 15.Rab1 Nd6 16.Rfd1 Nde4 17.Nf1 (17.Bb4 a5 18.Bc3 Bd6=+) 17...Ng4 18.Be1 h5 (18...Qe7 19.h3 Ngf6 20.Ne5=+) 19.h3= Nh6 (19...Ngf6 20.Ne5=) 20.Ne5 h4 21.f3 (21.Nh2 Rb8=) 21...Nd6 22.e4 de4 (22...Bb6 23.Ne3 de4 A) worse 24.Bc4 ef3 25.Bd5 Ndf5 26.Nf5 Bf5 (26...Qd5?! 27.Nh6 gh6 28.Nf3=) 27.Bf3 Re5-+; B) 24.Bf2=) 23.fe4 Ne4 24.Bc4 Bb6 25.Kh1 Be6 (25...Qc7 26.Qb4=) 26.Be6 (26.Bb5 Rf8+=) 26...Re6= 27.c4 g5? (better 27...Qc7 28.c5 Bc5+=) 28.c5+- Ba5? (28...Qf6 29.Nf3 Bc7 30.Qb7 Qd8+-) 29.Ba5 Qa5 (29...b6 30.Re1 (worse 30.cb6 ab6 31.Re1 ba5 32.Re4 Nf5+-) 30...Nd6 31.cd6 ba5 32.Nf7 Kf7 33.Qb7 Kf6 34.Qf3 Nf5 35.Rb5+-) 30.Qb7 Rae8 (30...Nf2 31.Kg1 Nh3 32.gh3+-) 31.Qe4 Qa3 32.Ra1 Qb2 33.Ra7 1-0. Hawk,June - Kaczmarek,Michal, IECC, 1999.

8.0-0 d5 9.c4 d4 10.d3 de3 11.fe3 Ng4 12.Qc1 Qe7 13.h3? (Better is 13.e4=+) 13...Qe3 14.Qe3 Ne3 15.Rf2 Nc2 16.a3 Na1 17.ab4 Nb3 18.Bd1 Nbd4 19.bc5 Nf3 20.Rf3 Rd8 21.Nd2 Nd4 22.Bd4 Rd4 23.Ba4 a5 24.c6 bc6 25.Bc6 Rb8 26.Kf2 Rb2 27.Ke3 Rd6 28.Bd5 Be6 29.Ne4 Rd8 (29...Rd5?! 30.cd5 Bd5 31.Rf5 Be4 32.Ke4=+) 30.Be6 fe6 31.Rf2? (Better is 31.Kf4-+) 31...Rf2 32.Nf2 a4 33.Ne4 a3 34.Nc3 Ra8 35.Na2 (35.g4 a2 36.Na2 Ra2-+) 35...Rb8 36.Kd4 (36.d4-+) 36...Rb2 (37.Nc1 Rc2-+) 0–1. Bonetti,Shane – Winiger,Albert, TT–06 TSC, 2003.

8.0-0 d5 9.c4 Bf5 10.cd5 Nd5 11.d3 Bg6 12.Nbd2 Nc3 13.Bc3 Bc3 14.Rb1 Bd3 15.Bd3 Qd3 16.Rb7 Rad8 17.Qb1?? (better is 17.Qa4 Qd5 18.e4=) 17...Bd2-+ 18.Qd3 Rd3 19.Rd1 (19.Rc7 Nb4 20.Rc5-+) 19...Rfd8 20.Rc7 Ba5 21.Rd3 Bc7 22.Rd8 Nd8 23.Kf1 Ne6 24.Ke2 Kf8 25.Kd3 Bb6 26.Kc4 Ke7 27.Ne5 Kf6 28.Nc6 Ng5 29.f3 h5 30.a4 Ne6 31.a5 Bc7 32.Na7 Ba5 33.Nc6 Be1 34.f4 Bf2 35.Kd3 c4! 36.Ke2 Bg1 37.h3 c3 38.Nd4 Nd4 39.ed4 Bd4 40.g4 c2 41.Kd2 c1Q! 42.Kc1 Be3 43.Kd1 hg4 (43...hg4 44.hg4 Bf4-+) 0–1. bratek55 (1710) – lv9 (1650), kurnik, 2011.

8.0-0 Re8 9.Nc3 Bc3 10.Bc3 Nd5 11.Bb2 a6 12.d4 b6 13.c4 Nc7 14.d5 Ne7 15.Bd3 b5? (better 15...Bf5+=) 16.Ng5+- Nf5 17.Qh5 f6?? (17...Nh6 18.Nf7! Qe7 19.Nh6 gh6 20.Qh6 bc4+-) 18.Qh7 Kf8 19.Bf5 Bf5 20.Qh8 Ke7 21.Qg7 1-0. bobby fissure (2225) - nxito (2000), ChessWorld.net, 2012.

8.0-0 Re8 9.c4 Bg4 10.h3 Bf5 (10...Bh5 11.Nc3 (11.a3 Ba5 12.Nc3 d5 13.cd5 Nd5 14.Qb3 Nc3= –0.09; 11.d4 cd4 12.Nd4 Be2 13.Qe2 Rc8 14.Nc6 bc6= –0.09) 11...d5 12.Nb5 dc4 13.Bf6 gf6 14.a3 Bf3= –0.03) 11.d3 (11.a3 Ba5 12.Qb3 b6 13.Nc3 a6 14.d3 Qe7= 0.00; 11.d4 Ne4 12.a3 Ba5 13.Bd3 d5 14.dc5 dc4= –0.06; 11.Nc3 d5 12.Nb5 dc4 13.Bf6 Qf6 14.Nc7 Ba3= –0.06; 11.Qb3 b6 12.a3 Ba5 13.Nc3 Qe7 14.Rfe1 Bc3= –0.06; 11.Qa4 d5 12.a3 Ba5 13.d4 Qd7 14.dc5 d4= 0.22) 11...d5 12.Nbd2 (12.a3 Ba5 13.d4 Qb6 14.Qc1 Nd4= –0.25) 12...Bd2 (12...d4 13.a3 Ba5 14.Nb3= Qe7= –0.25; 12...dc4 13.Nc4 b5 14.Nce5 Ne5=+ –0.38) 13.Nd2 d4 14.e4 (14.Nb3 Rc8= –0.09) 14...Bg6 15.Nb3 b6 16.f4 h6 17.Bf3 Nd7 18.a4 Qh4 19.Qd2 Rab8 20.Kh2 Kh8 21.g3 Qe7 22.Ba3 Rec8 23.Bg4 Rc7 24.a5 Nf6 25.Bf3+= Nd7 26.Rab1 b5 27.cb5 Rb5 28.Rfc1 Rc8 29.Qc2 Qe8 30.Bg4 Na5 31.Nc5! Rcc5 32.Bc5 Rc5 33.Qa4 Rc1 34.Rc1 f5 35.ef5 Bf5 36.Qa5 Bg4 37.hg4 Nf6 38.Kh3 (38.Kh3 Kg8 39.Qa7+-; 38.Qa7 Ng4 39.Kh1 Qh5 40.Kg2 Ne3 41.Kg1 Qf3-/+) 1–0. Markus,Roland – Gremmer,Dieter, DESC, 1998.

8.0-0 Bg4 9.c4 d5 10.h3 Bf3 11.Bf3 dc4 12.a3 Ba5 13.Qa4 Qd6 14.Bc6+= Bc7 15.Rc1 bc6 16.f4 Nd7 17.Qc4 Rab8 18.Qc2 Rfd8 19.Nc3 Nf6 20.Rd1 Qd3= 21.Rac1 h6 22.Kf2 c4 23.Qd3 Rd3 24.Rc2 Ba5 25.Ke2+= Rbd8 26.Nb1 Nd5 27.Rdc1 Rb3=+ 28.Bc3 Bc3 29.Nc3 Ra3 30.Nd1 c3 31.dc3 Kf8 32.Rb1 Rd7 33.Kf3 Ke7 34.g4 Nb6 35.Nf2 Nc4 36.Rb8 Nd2 37.Ke2 Nb3 38.Ne4 Rd8 39.Rb4 a5 40.Rb6 c5 41.c4 Re8 42.Nd6 Rd8 43.Nb5 Ra1 44.Na7 Nc1 45.Kf2 Ke8 46.Nc6 Rc8 47.Rd2= Ra4 48.Ne5+= f6 49.Re6 Kf8 50.Ng6 Kf7 51.f5+- Rb8?? 52.Rd7 Kg8 53.Ree7 (53.Ree7 Rb2 54.Kg3 Rg2 55.Kh4 Rg4 56.hg4 Rc4 57.Rg7#) 1–0. Ljubojevic,Ljubomir – COMP Leonardo, Zurich SUI, 1988.

8.a3 Ba5 9.0-0 Bg4 10.d3 d5 11.Nbd2 Bc7 12.c4 dc4 13.Nc4 Qe7 14.e4 (14.Rb1 Rab8=) 14...Rfd8=+ 15.Qc2 Rac8 16.Ne3? (better 16.Rfb1!?=+) 16...Nd4-+ 17.Qd1? (better 17.Nd4 cd4 18.g3 Bg3 19.Qd1 Bh2 20.Kh2 Be2 21.Qe2 de3 22.fe3 Ne4 23.de4 Qh4 24.Kg1 Qg3 25.Qg2 Qg2 26.Kg2 Rc2 27.Kf3 Rb2 28.Rac1-+) 17...Bf3 18.Bd4 cd4 (18...Rd4?! 19.Bf3 Rcd8 20.Nd5 Nd5 21.ed5-/+) 19.Nf5 Qe5 20.g3 Be2 21.Qe2 g6 22.f4 Qe6 23.Nh4 Bb6 24.Rae1 Rc3 25.e5 (25.f5 Qe7-+) 25...Nd5 (25...Ra3?! 26.f5 gf5 27.ef6 Qe2 28.Re2 Rd3 29.Nf5-+) 26.f5 Qe8 27.e6 fe6 28.fg6 Ne3 (28...hg6 29.Qe6 Qe6 30.Re6-+) 29.gh7 (29.Qh5 Rc7 30.Rf6 h6-+) 29...Kh7 30.Rf6 Rd5 (30...Ra3 31.Qf3 Kg7 32.Qf4=) 31.Qf3 Rc7 (better 31...Kg7 32.Rg6 Qg6 33.Ng6 Kg6 34.Qe4 Kf6 35.Qh4 Kf7-+) 32.Qe4-/+ Kg8 33.Re6 Threatening mate: Rxe8. 33...Qh5 34.Rg6? (better 34.Ng6 Qf5 35.Qf5 Rf5 36.Ne7 Re7 37.Re7-/+) 34...Rg7-+ 35.Re6 Rf7 36.Rg6 Rg7?? (36...Kf8 37.Rb6 ab6 38.Ng6 Kg7 39.Nf4-+) 37.Re6 Rd8 38.Ng6 Bc5?? (38...Qa5 39.Rb1 Qd5 (39...Qa3 40.Ne7 Kf7 41.Qe5+-) 40.Ne7 Re7 41.Re7 Qe4 42.Re4 Rd7=+) 39.h3?? (better 39.Re8 Re8 40.Qe8 Kh7 41.Nf8 Kh6 42.Qe6 Rg6 43.Ng6 Qg6 44.Qe5-/+) 39...Qh3-+ (39...Ba3?! 40.Re8 Re8 41.Qe8 Kh7 42.Nf8 Kh6 43.Qe6 Rg6 44.Ng6 Qg6 45.Qe5-+) 40.Re8 Re8 (better 40...Bf8 41.Re3 de3 42.Rd8 Qg3 43.Qg2 Qg6 44.Qg6 Rg6 45.Kf1 Kf7-+) 41.Qe8+- Kh7 Threatening mate... how? 42.Qh8 Kg6 43.Qh3 Kf6?! (43...Re7 44.Re2 b6 45.Rh2 Ba3 46.Qh5 Kf6 47.Qh8 Rg7 48.Qh6 Rg6 49.Qh4 Ke6 50.Qe4 Kf7 51.Rh7 Rg7 52.Qb7 Be7 53.Rg7 Kg7 54.Qe7 Kg6 55.Qa7+-) 44.Qh4 Rg5 45.a4 (45.Re2!? Kg6 46.Qe4 Kf6 47.Rf2 Rf5 48.Rf5 Nf5+-) 45...b6 46.Rf1?? (better 46.Kf2+-) 46...Nf1+- 47.Kf1 a5 (47...Kg6 48.Qe4 Kf6 49.g4+-) 48.g4+- Be7 (48...Kg6+-) 49.Qh6 Ke5 50.Qb6 Rg4 51.Qa5 Kf6 (51...Ke6 52.Qa6 Ke5 53.a5 Rf4 54.Ke2+-) 52.Qb6 Ke5 53.a5 Bg5 (53...Rf4 54.Ke2 Rf6 55.Qb5 Kf4+-) 54.Qc5 Kf6 55.a6 (better 55.Qd6 Kf5 56.Qd7 Kf4+-) 55...Be3 56.a7 Rg1 57.Ke2 Ra1 58.Qc6 (58.Qc6 Ke7 59.a8Q Ra8 60.Qa8+-) 1–0. Scripcaru,George_Daniel (1795) – Moldovan,G_Z (2055), CN Seniori, 2011.

7.a3 Ba5 8.Be2 h6 9.0-0 b6 (9...Be6 10.d4=) 10.d4 Ne4 (10...Be6 11.dc5 dc5 12.Ne5=) 11.d5 (11.Nfd2 Bd2 12.Nd2 Bf5+=) 11...Bb7 (11...Bg4 12.Nfd2 Be2 13.Qe2 Nd2 14.Nd2 Bd2 15.Qd2+=) 12.c4 Nd7 13.Nfd2 Bd2 14.Nd2 Ndf6 15.Bd3 Re8 16.Qc2 Nd2 17.Qd2 Ne4 18.Qc2 Nf6 19.Rfe1 Nd7 20.Qe2 (20.Bh7 Kh8+=) 20...Bc8 (20...Ne5 21.Rad1+=) 21.f4 Nf8 22.Qh5 Nh7 (22...Bd7 23.f5 f6 24.e4+=) 23.Bh7 (23.e4 Nf6 24.Qh4 Ba6+-) 23...Kh7+= 24.Qf7 The mate threat is Qxg7 24...Qe7 Exerts pressure on the backward pawn (24...Re7!? 25.Qh5 Re4+=) 25.Qe7+- Re7 26.e4 Ba6 27.Rac1 Rae8 28.e5 de5 (28...g5 29.g3+-) 29.fe5 Kg6 30.e6 b5 (30...Rd8+-) 31.cb5 Bb5 32.Rc5 Bd3 (32...a6 33.h4+-) 33.Bc3 (better 33.d6 Re6 34.Re6 Re6+-) 33...Bf5 34.h3 h5 35.Bb4 Kf6 (35...Rb7 36.Ra5+-) 36.Rc6 Rb7 37.e7 Kf7 38.d6 (better 38.Rf1!? g6 39.g4 a5+-) 38...Rd7 (38...Bd7 39.Rc3+-) 39.Rec1 (39.Rf1!? Kg6+-) 39...g6 40.Rc7 (40.Rf1 Kg7+-) 40...a5 (40...Ra8 41.g4 hg4 42.hg4 Rc7 43.Rc7 (43.dc7?! Bg4 44.Kf2 Rc8+-) 43...Bg4 44.d7 Bd7 45.Rd7+-) 41.Rd7 Bd7 42.Ba5 Ke6 43.Bb4 Rb8 44.Re1 Kf5 (44...Kf7 45.g4+-) 45.g3 g5 46.Rc1 Ke6 47.Kg2 Rb6 (47...g4 48.hg4 hg4 49.Kf2+-) 48.Re1 (48.Rc8 Kf7 49.Rf8 Kg6+-) 48...Kf7 49.Rf1 Ke6 50.Rf8 Rb4 (50...Bc6 51.Kf2 Rb7 52.e8Q Be8 53.Re8 Kf6 54.Bc3 Kf7 55.Re5+-) 51.ab4 Kd6 52.e8Q Be8 53.Re8 Kc6 (53...g4 54.h4 Kd7 55.Re5+-) 54.Re5 g4 55.Rh5 Kd6 56.b5 (56.hg4 Kd7+-) 56...Kc7 57.hg4 Kb6 58.Kf3 Kb7 (58...Kc7 59.g5 Kb6 60.g6 Kb7 61.g7 Kc7 62.g8Q Kd6 63.Qg6 Ke7 64.Rh7 Kd8 65.Qg8) 59.Rh6 Kc7 60.g5 Kb7 61.g6 Kb6 (61...Kc7 62.g7 Kb8 63.g8Q Kc7 64.Qf7 Kb8 65.Rh8) 62.g7 Kb5 (62...Ka5 63.g8Q Kb4 64.Rh4 Ka5 65.Qd5 Kb6 66.Qc6 Ka7 67.b6 Kb8 68.Rh8) 63.g8Q Kb4 (63...Kc5 64.Qb8 Kd5 65.Qc7 Kd4 66.Rd6 Ke5 67.Qc5) 64.Qc8 Kb5 65.Rc6 Kb4 (65...Ka4 66.Qb7 Ka5 67.Ra6) 66.Rb6 Ka5 (66...Ka4 67.Qa6) 67.Qa6 1–0. petrobbo (1945) – Jergal (1900), ChessWorld.net, 2010.

6.e3 Be6

7.c4 Nc6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Be6).

7.Bd3 Na6 A) 8.0-0 A1) 8...Qe7 9.a3 (9.Nd4 Nc5 10.Ne6 Qe6 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Nd5 14.Bb2; 9.Ng5 Nc5 10.Bf6 Qf6 11.Bh7 Kh8 12.Ne6 fe6 13.Qh5 Qh6 14.Qh6; 9.Nc3 Nc5 10.h3 Bc3 11.Bc3 Nd5 12.Nd4 Qf6 13.Qe2 Nc3 14.dc3; 9.h3 Nc5 10.Nc3 g6 11.Nd4 Nd3 12.cd3 Bd7 13.a3 Bc5 14.Qb3) 9...Ba5 10.Ng5 h6 11.Ne6 fe6 12.Nc3 Nc5 13.Rb1 c6 14.f4; A2) 8...c6 9.a3 (9.Nc3 Nc5 10.Nd4 Qe7 11.f3 Nd3 12.cd3 Bd7 13.Ne4 d5 14.Nf6; 9.Nd4 Nc5 10.Nc3 Qd7 11.f3 h6 12.Qe2 Ba5 13.a4 Rae8 14.Rab1; 9.Bc3 Ba5 10.Ba5 Qa5 11.Nc3 Nc5 12.Nd4 Rae8 13.Qf3 Nd3 14.cd3; 9.Qe2 Nc5 10.Ng5 Bd7 11.a3 Ba5 12.Nc3 d5 13.Nf3 Bc7 14.a4; 9.Ng5 Nc5 10.Ne6 fe6 11.Nc3 Bc3 12.Bc3 Nd5 13.Qh5 Nd3 14.cd3) 9...Ba5 10.Nc3 Nc5 11.Nd4 Qe7 12.f3 Bc7 13.a4 g6 14.Qe2; A3) 8...Ba5 9.Nc3 (9.Nd4 Nc5 10.Nc3 Qe7 11.Rb1 Nd3 12.cd3 Bd7 13.Qf3 Rab8 14.Nf5; 9.Na3 Nc5 10.Nc4 Bc4 11.Bc4 Nfe4 12.d3 Nc3 13.Qd2 N5a4 14.Ba3; 9.Ng5 Nc5 10.Bf6 Qf6 11.Bh7 Kh8 12.Ne6 fe6 13.Qh5 Qh6 14.Qh6; 9.Qe2 Nc5 10.Ng5 Bg4 11.f3 Bd7 12.Na3 h6 13.Bf6 gf6 14.Ne4; 9.h3 Nc5 10.Ng5 Bd7 11.Nc3 Qe7 12.Qe2 h6 13.Nf3 d5 14.Rab1) 9...Nc5 10.Ng5 Bd7 11.Nce4 Nd3 12.cd3 Ne4 13.Ne4 f5 14.Qb3; A4) 8...Bc5 9.Ng5 (9.a3 Bb6 10.Nd4 Nc5 11.Ne6 fe6 12.Nc3 Qd7 13.f4 d5 14.Be2; 9.Bd4 Nb4 10.Nc3 Bg4 11.h3 Be6 12.Qe2 h6 13.a3 Nd3 14.Qd3; 9.Bf6 Qf6 10.Nc3 Nb4 11.Ne4 Qh6 12.a3 Nd3 13.cd3 Bb6 14.Qa4; 9.Nc3 Nb4 10.Ng5 Bd7 11.Nce4 Nd3 12.cd3 Ne4 13.Ne4 Bb6 14.Rc1; 9.Qe2 Nb4 10.Ng5 Bd7 11.Bf6 Qf6 12.Bh7 Kh8 13.Qh5 Qh6 14.Nf7) 9...Nb4 10.Ne6 fe6 11.Be2 d5 12.Nc3 Qd7 13.g3 e5 14.d4; A5) 8...Nc5 9.Nc3 (9.h3 Nfe4 10.Nc3 Bc3 11.Bc3 Nc3 12.dc3 Qf6 13.Nd4 g6 14.Qd2; 9.Nd4 Nd3 10.cd3 Bd7 11.a3 Ba5 12.Qf3 Ng4 13.Nc3 Qh4 14.h3; 9.Qe2 Nfe4 10.Be4 Ne4 11.Qd3 Ng5 12.Nd4 c5 13.Ne6 Ne6 14.Nc3; 9.a3 Nd3 10.cd3 Bc5 11.Nc3 h6 12.Qc2 c6 13.Na4 Bb6 14.e4) 9...Qe7 10.h3 Bc3 11.Bc3 Nfe4 12.Bd4 f5 13.Be2 Bd5 14.d3; B) 8.a3 B1) 8...Bc5 9.Nc3 (9.0-0 Bb6 10.Ng5 Nc5 11.Bf6 Qf6 12.Bh7 Kh8 13.Ne6 fe6 14.Qh5; 9.Qe2 Bb6 10.Nc3 Nc5 11.0-0 Qd7 12.Bc4 Rfe8 13.Be6 Ne6 14.Qc4; 9.Ng5 Bg4 10.f3 Bd7 11.Ne4 Ne4 12.Be4 c6 13.Nc3 f5 14.Bd3) 9...Bb6 10.Ng5 Nc5 11.Ne6 fe6 12.0-0 Qd7 13.Qe2 d5 14.f3; B2) 8...Ba5 9.0-0 (9.Nc3 Nc5 10.0-0 Qe7 11.Qe2 Bc3 12.Bc3 Nfe4 13.Nd4 Qg5 14.Bb4; 9.Ng5 Nc5 10.0-0 Nd3 11.cd3 Bf5 12.e4 Bd7 13.Nc3 h6 14.Nf3) 9...Nc5 10.Nc3 Nd3 11.cd3 c5 12.Ng5 Bf5 13.Nce4 Ne4 14.Ne4; C) 8.Nd4 C1) 8...Bd7 9.a3 (9.Nc3 Nc5 10.Qf3 Nd3 11.cd3 Ng4 12.0-0 c5 13.Nf5 Ne5 14.Qe4; 9.Qf3 Nc5 10.Nc3 Nd3 11.cd3 Ng4 12.0-0 Ne5 13.Qe2 c5 14.Nd5; 9.Nb3 d5 10.a3 Be7 11.Bf6 Bf6 12.Nc3 c6 13.0-0 Qe7 14.Qf3; 9.0-0 Nc5 10.Bf5 Ne6 11.Bd3 Nd4 12.ed4 Re8 13.c3 Ba5 14.Na3) 9...Ba5 10.Nb3 Bb6 11.Nc3 Qe7 12.0-0 Nc5 13.Nc5 Bc5 14.Nb5; C2) 8...Nc5 9.Nc3 (9.Ne6 fe6 10.0-0 d5 11.Nc3 Qd7 12.Rb1 a6 13.Qe2 e5 14.f3; 9.0-0 Nd3 10.cd3 Bd7 11.a3 Bc5 12.Nc3 Re8 13.f3 Bd4 14.ed4; 9.a3 Ba5 10.0-0 Bd7 11.Nc3 Nd3 12.cd3 c5 13.Nb3 Bb6 14.f3) 9...Nd3 10.cd3 Bg4 11.f3 c5 12.Nde2 Bd7 13.0-0 Rc8 14.Nf4; D) 8.Nc3 D1) 8...Nc5 9.Nd4 (9.Qe2 Ng4 10.0-0 f5 11.a3 Nd3 12.Qd3 Bc5 13.Na4 Bb6 14.h3; 9.0-0 Bc3 10.Bc3 Nfe4 11.Bd4 Bg4 12.Bc5 Nc5 13.h3 Bh5 14.Rb1; 9.Ng5 Bd7 10.0-0 Qe7 11.Qf3 Qe5 12.Nh7 Nh7 13.Bh7 Kh7 14.Nd5; 9.h3 d5 10.0-0 Nfe4 11.a3 Ba5 12.Qe2 h6 13.Ne5 Qd6 14.Nb5; 9.a3 Nd3 10.cd3 Bc5 11.0-0 Qe7 12.Qa4 h6 13.Qh4 Rfe8 14.Na4) 9...Bd7 10.Qf3 Ng4 11.Bf5 Ne5 12.Qh3 Bf5 13.Nf5 Qf6 14.0-0; D2) 8...Bc3 9.Bc3 Nc5 10.0-0 Nd5 11.Nd4 Nc3 12.dc3 g6 13.f4 Bd5 14.Re1; D3) 8...Qd7 9.a3 (9.0-0 Nc5 10.Nd4 Bc3 11.Bc3 Nfe4 12.f3 Nc3 13.dc3 f6 14.Qd2; 9.Nd4 Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.f3 Nc3 13.dc3 f6 14.Qd2; 9.h3 Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.Nd4 Bd5 13.Qh5 f5 14.Bb4) 9...Ba5 10.0-0 Nc5 11.Nd4 h6 12.Qe2 Bc3 13.Bc3 Nfe4 14.Be4; D4) 8...Rb8 9.Nb5 (9.0-0 Nc5 10.Ng5 b5 11.a3 Nd3 12.cd3 Bc3 13.Bc3 Nd5 14.Qh5; 9.Nd4 Nc5 10.0-0 Qe7 11.f3 Nd3 12.cd3 Bd7 13.Ne4 d5 14.a3; 9.Ng5 Nc5 10.0-0 b5 11.a3 Nd3 12.cd3 Bc3 13.Bc3 Nd5 14.Qh5; 9.h3 Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.Bd4 f5 13.Be2 Bd5 14.d3) 9...Nd5 10.0-0 Nc5 11.Qe2 Na4 12.Rab1 Nb2 13.Rb2 Bc5 14.c4; D5) 8...Qe7 9.0-0 (9.Nd4 Nc5 10.0-0 Nd3 11.cd3 Bd7 12.a3 Ba5 13.Qf3 Qe5 14.h3; 9.Nb5 c6 10.a3 cb5 11.ab4 Nb4 12.Bb5 Rac8 13.c3 Rc5 14.Be2; 9.h3 Nc5 10.0-0 Bd7 11.Qe2 d5 12.Rab1 c6 13.Nd4 Nd3 14.Qd3; 9.Na4 d5 10.a3 Ba5 11.0-0 Ne4 12.Rb1 Rab8 13.Be4 de4 14.Nd4; 9.Ng5 Nc5 10.Ne6 Qe6 11.0-0 Bc3 12.Bc3 Nd5 13.Bb2 Nd3 14.cd3) 9...Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.a3 Ba5 13.Qf3 Qe5 14.h3.

7.Bd3 c5 8.0-0 A) 8...h6 9.c3 (9.Na3 Nc6 10.c3 Ba3 11.Ba3 Qa5 12.Bb2 c4 13.Bc2 Bf5 14.d4; 9.Qe2 d5 10.c4 dc4 11.Bc4 Nc6 12.Nc3 Re8 13.h3 Bc4 14.Qc4; 9.c4 d5 10.Qe2 dc4 11.Bc4 Nc6 12.Nc3 Re8 13.Na4 Bc4 14.Qc4; 9.a3 Ba5 10.c4 Nbd7 11.Nc3 Ne5 12.Ne5 de5 13.Qc2 Re8 14.Rab1; 9.Nc3 c4 10.Be2 Nc6 11.Re1 d5 12.a3 Bc5 13.d4 cd3 14.cd3) 9...c4 10.cb4 cd3 11.Bf6 Qf6 12.Nc3 Nc6 13.b5 Na5 14.Nd4; B) 8...Nc6 9.Ng5 (9.a3 Ba5 10.Ng5 Ne5 11.Nc3 Bc4 12.Qe2 Bd3 13.cd3 h6 14.Nge4; 9.Qe2 d5 10.Ng5 c4 11.Bf6 Qf6 12.Bh7 Kh8 13.Qh5 Qh6 14.Bg6) 9...Ne5 10.Be5 de5 11.a3 Ba5 12.Nc3 Bc3 13.dc3 Qd5 14.Qf3; C) 8...Nbd7 9.Nc3 (9.a3 Ba5 10.Nc3 h6 11.Qe2 d5 12.Qd1 Qe7 13.a4 c4 14.Be2; 9.Ng5 Ne5 10.Be5 de5 11.Nc3 Qd7 12.Qe2 Bc3 13.dc3 h6 14.Ne4; 9.Qe2 d5 10.c3 Ba5 11.Na3 Ne4 12.c4 Nb6 13.cd5 Bd5 14.Rac1) 9...h6 10.Rb1 Qc7 11.Nb5 Qc6 12.c3 Ba5 13.Qa4 b6 14.c4; D) 8...Qe7 9.Qe2 (9.Ng5 Nbd7 10.a3 Ba5 11.Nc3 Ne5 12.Ne6 fe6 13.Qe2 Nd3 14.Qd3; 9.Nc3 c4 10.Be2 Nc6 11.Ng5 d5 12.a3 Bc5 13.Ne6 fe6 14.Kh1; 9.c4 Nc6 10.Nc3 Ne5 11.Ne5 de5 12.f4 Qd6 13.fe5 Qd3 14.ef6; 9.a3 Ba5 10.c4 Nc6 11.Nc3 Ne5 12.Ne5 de5 13.e4 Bc3 14.Bc3; 9.c3 Ba5 10.Na3 Nc6 11.Qc2 d5 12.Ng5 g6 13.Ne6 Qe6 14.f4) 9...Nc6 10.Nc3 h6 11.e4 Rfe8 12.Rfe1 Bg4 13.a3 Ba5 14.Qe3; E) 8...c4 9.Be2 d5= 10.Nd4 Bd7 11.d3 Nc6 12.dc4 dc4 13.a3 Bd6 14.Nd2.

7.Bd3 c5 8.a3 Ba5 9.Ng5 (9.0-0 Nc6 10.Ng5 Ne5 11.Nc3 Nd3 12.cd3 Bf5 13.Nce4 Ne4 14.Ne4; 9.Nc3 c4 10.Be2 Nc6 11.0-0 h6 12.h3 Qe7 13.d3 d5 14.Rb1) 9...Nc6 10.Nc3 Ne5 11.0-0 Nd3 12.cd3 Bf5 13.Nce4 Ne4 14.Ne4.

7.Bd3 c5 8.c4 d5=+ 9.cd5 (9.Qc2 dc4 10.Bc4 Nc6 11.Be6 fe6 12.Ng5 Qd7 13.a3 Ba5 14.0-0; 9.Qe2 Nc6 10.cd5 Bd5 11.a3 Ba5 12.Nc3 Bf3 13.gf3 Ne5 14.Bc4; 9.Ng5 Nc6 10.0-0 dc4 11.Ne6 Qd3 12.Nf8 Kf8 13.Bf6 gf6 14.Qh5) 9...Bd5 (9...Qd5 10.Bc2 Nc6 11.Bf6 gf6 12.Nc3 Qc4 13.Ne4 f5 14.Nf6) 10.Bc2 (10.a3 Ba5 11.Qc2 Nbd7=+ (11...Nc6 12.Nc3 Bf3 13.gf3 Ne5 14.Be2) 12.Nc3 Bf3 13.gf3 Ne5 14.Be2) 10...Re8 (10...Nc6 11.a3 (11.Nc3 Bf3 12.Qf3 Re8 13.Rc1 Nd4 14.Qb7) 11...Ba5 12.Nc3=+ Bf3 13.gf3 Ne5 14.Rg1; 10...c4 11.Nc3 Be6 12.Ng5 Nc6 13.Qe2 Ne5 14.0-0) 11.Ng5 (11.a3 Ba5=+ 12.Nc3 Bf3 13.gf3 Nc6 14.Ne4) 11...Ne4 (11...Qd6!? 12.0-0 h6=+ 13.Nf3 Nc6 14.Nc3; 11...h6 12.Nf3 Nc6 13.a3 Ba5 14.0-0) 12.h4 (12.Ne4 Be4 13.Be4 Re4 14.Nc3) 12...f6 (better 12...Ng5 13.hg5 Qg5=+ 14.Qh5; 12...Nd7 13.Be4 Be4 14.Qb3) 13.Nf3 (better 13.Ne4 Re4 14.Be4+- 0.99/9 (14.Nc3+-)) 13...b5 (13...Nc6 14.0-0-/+ –1.00/9 (14.a3 Ba5 15.Nc3 Bc3 16.dc3=+); 13...Nd7 14.Nc3) 14.0-0 Nc6 (14...a6 15.d3 Nd6 16.a3=+) 15.d3 Nd6 16.Nbd2 (16.a3 Ba5=+) 16...Bd2 (16...f5 17.Nb3 c4 18.Nbd4-/+) 17.Nd2 b4 (17...Nb4 18.a4=+) 18.Qh5 (18.d4 c4 19.Bh7 Kf8+=) 18...Nb7 (18...Ne5 19.d4 g6 20.Qe2 cd4 21.Bd4=) 19.d4 (19.Rfc1 Bf7 20.Qf3 Rc8=) 19...g6 20.Bg6 hg6 21.Qg6 Kf8 22.dc5 Bf7?? (better 22...Ne5 23.Qh6 Kg8=) 23.Qf6 (better 23.Qh6 Kg8 24.Bf6 Qf6 25.Qf6+-) 23…Re6 (23...Qd2? 24.Qg7 (24.Qc6?! Qb2 25.Qb7 Ba2=) 24...Ke7 25.Qg5 Kd7 26.Rad1 Qd1 27.Rd1 Kc8 28.Qg7+-) 1–0. Torres Herrero,F – De Castro Vidal,JI, Valladolid, 1987.

7.Bd3 c5 8.Qe2 A) 8...Nc6 9.0-0 (9.a3 Ba5 10.Nc3 d5 11.Qd1 Bc3 12.dc3 Ne4 13.0-0 Qf6 14.Rb1) 9...d5 10.Ng5 c4 11.Bf6 Qf6 12.Bh7 Kh8 13.Qh5 Qh6 14.Bg6; B) 8...d5 9.Ng5 (9.c3 Ba5 10.c4 Nc6 11.Nc3 Nb4 12.cd5 Nfd5 13.Bb1 c4 14.Ne5) 9...Nc6 10.0-0 c4 11.Bf6 Qf6 12.Bh7 Kh8 13.Qh5 Qh6 14.Bg6; C) 8...h6 9.c4 (9.a3 Ba5 10.0-0 Nbd7 11.Nc3 Nb6 12.Nh4 d5 13.Rfe1 Re8 14.Bb5; 9.0-0 d5 10.a3 Ba5 11.c4 Nc6 12.Nc3 dc4 13.Bc4 Qe7 14.Na4; 9.Nc3 d5 10.a3 Bc3 11.Bc3 c4 12.Rb1 cd3 13.cd3 b6 14.Nd4; 9.c3 Ba5 10.c4 Nbd7 11.Nc3 Qb6 12.Rb1 Rfe8 13.0-0 Qc6 14.Bc2; 9.Na3 Nc6 10.0-0 d5 11.c4 Ne4 12.Nb5 Qe7 13.h3 Rad8 14.Rac1) 9...Nc6 10.Nc3 Re8 11.a3 Bc3 12.Bc3 d5 13.cd5 Nd5 14.0-0; D) 8...Nbd7 9.Nc3 (9.0-0 d5 10.c3 Ba5 11.Na3 Ne4 12.c4 Nb6 13.cd5 Qd5 14.Nb5) 9...d5 10.Qd1 c4 11.Be2 Nc5 12.a3 Bc3 13.Bc3 Nfe4 14.0-0.

7.Bd3 c5 8.Ng5 A) 8...Nbd7 9.0-0 (9.a3 Ba5 10.Nc3 Ne5 11.0-0 Nd3 12.cd3 Bf5 13.Nce4 Ne4 14.Ne4; 9.Nc3 Ne5 10.0-0 Bc4 11.Qe2 Bd3 12.cd3 h6 13.Nge4 Ne4 14.Ne4; 9.Qe2 Ne5 10.Be5 de5 11.a3 Ba5 12.Nc3 Bc3 13.dc3 Qa5 14.0-0; 9.Ne6 fe6 10.0-0 Qc7 11.Be2 c4 12.a3 Ba5 13.Nc3 Bc3 14.Bc3; 9.f3 Ne5 10.Be5 de5 11.0-0 Bd7 12.a3 Ba5 13.Nc3 Qe7 14.Qe2) 9...Ne5 10.Be5 de5 11.a3 Ba5 12.Ne6 fe6 13.Nc3 Bc3 14.dc3; B) 8...Nc6 9.0-0 (9.a3 Ba5 10.0-0 Ne5 11.Nc3 Nd3 12.cd3 Bf5 13.Nce4 Ne4 14.Ne4) 9...Ne5 10.Be5 de5 11.Nc3 Qd7 12.Qe2 Rad8 13.Nce4 Ne4 14.Be4.

7.Bd3 Nbd7 A) 8.Nc3 A1) 8...Bc3 9.Bc3 Nc5 10.0-0 Nd5 11.Nd4 Qg5 12.f4 Qg4 13.Qg4 Bg4 14.Rab1; A2) 8...h5 9.Na4 (9.0-0 Nc5 10.Ng5 Qd7 11.Ne6 Qe6 12.Qf3 Nd3 13.cd3 c6 14.h3; 9.Nd4 Ne5 10.Ne6 fe6 11.0-0 Qd7 12.Ne4 Nd3 13.Nf6 gf6 14.cd3; 9.Ng5 Nc5 10.0-0 Qd7 11.Ne6 Qe6 12.Ne2 Nfe4 13.Nf4 Qf5 14.f3; 9.Qe2 Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.Bd4 Qe7 13.Bc5 Nc5 14.Nd4; 9.Nb5 Nd5 10.a3 Ba5 11.Qe2 Nc5 12.Nbd4 Bd7 13.0-0 Re8 14.Bf5) 9...Qe7 10.0-0 Bd5 11.Rb1 Ne5 12.Ne5 de5 13.Be5 Qe5 14.Rb4; A3) 8...Qe7 9.0-0 (9.Qe2 h6 10.0-0 Nc5 11.Nd4 Nd3 12.Qd3 Bd7 13.Rab1 a6 14.Nf5; 9.Nb5 Nd5 10.a3 Ba5 11.Qe2 Nc5 12.Nbd4 Bd7 13.0-0 Ne4 14.h3; 9.a3 Bc3 10.Bc3 Nc5 11.0-0 Nfe4 12.Bd4 Bg4 13.Bc5 dc5 14.Be4; 9.h3 Bc3 10.Bc3 Nc5 11.0-0 Nfe4 12.Bd4 f6 13.Be4 Ne4 14.d3; 9.Ng5 Ne5 10.Ne6 Qe6 11.0-0 c6 12.Ne2 Qd7 13.f4 Nd3 14.cd3) 9...Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.a3 Ba5 13.Qf3 Qe5 14.h3; A4) 8...a6 9.Qe2 (9.0-0 Nc5 10.Nd4 Qe7 11.h3 Nd3 12.cd3 c5 13.Ne6 fe6 14.f4; 9.Ng5 Ne5 10.0-0 Bc4 11.Qe2 d5 12.f4 Nd3 13.cd3 Bb5 14.Nf3; 9.Nd4 Ne5 10.Ne6 fe6 11.0-0 Qd7 12.f4 Nd3 13.cd3 b5 14.Ne4; 9.a3 Bc3 10.Bc3 Nc5 11.Nd4 Qd7 12.0-0 Nfe4 13.f3 Nc3 14.dc3; 9.Rb1 Nc5 10.0-0 Bc3 11.Bc3 Ba2 12.Ra1 Bd5 13.Nd4 b5 14.Nf5) 9...Nc5 10.0-0 Qd7 11.Nd4 h6 12.f3 d5 13.e4 Nd3 14.Qd3; A5) 8...Nc5 9.0-0 (9.Qe2 Qd7 10.0-0 Bc3 11.Bc3 Nfe4 12.Nd4 Rae8 13.Bb4 Nd3 14.Qd3; 9.Nd4 Nd3 10.cd3 Bg4 11.f3 c5 12.Nde2 Bf5 13.Ne4 d5 14.Nf6; 9.Ng5 Qd7 10.Ne6 fe6 11.0-0 d5 12.Rb1 Nfe4 13.Be4 de4 14.a3; 9.a3 Bc3 10.Bc3 Nfe4 11.0-0 f6 12.Nd4 Qe7 13.Qf3 Bd5 14.Nf5) 9...Bc3 10.Bc3 Nd5 11.Nd4 Nc3 12.dc3 g6 13.f4 Bd5 14.c4; B) 8.a3 B1) 8...Bc5 9.0-0 (9.Nc3 Ne5 10.Ne5 de5 11.0-0 Re8 12.Qf3 c6 13.h3 g6 14.Rab1; 9.Ng5 Qe7 10.0-0 Ne5 11.Be5 de5 12.Nc3 Bd7 13.Qb1 b6 14.Qb3; 9.Qe2 Ne5 10.Ne5 de5 11.Nc3 c6 12.0-0 Qc7 13.Qf3 Rfe8 14.h3) 9...Ng4 10.Nc3 Nge5 11.Ne4 Nd3 12.cd3 f6 13.Qc2 Qe7 14.Nc5; B2) 8...Ba5 9.Nc3 (9.0-0 Nc5 10.Nc3 Qe7 11.Qe2 g6 12.Ng5 Bd7 13.h3 Nd3 14.Qd3; 9.Ng5 Nc5 10.0-0 Nd3 11.cd3 Bf5 12.e4 Bd7 13.Nc3 h6 14.Nf3) 9...Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.Bd4 f5 13.Bc5 Nc5 14.Nd4; C) 8.Ng5 C1) 8...Nc5 9.Ne6 (9.0-0 Bd7 10.Nc3 Qe7 11.a3 Ba5 12.Qf3 h6 13.Nh3 Bc6 14.Qe2; 9.Nc3 Qe7 10.Ne6 Qe6 11.0-0 Bc3 12.Bc3 Nd5 13.Qf3 Nc3 14.dc3; 9.a3 Ba5 10.0-0 Nd3 11.cd3 Bf5 12.e4 Bd7 13.Nc3 h6 14.Nf3) 9...fe6 10.0-0 Qe7 11.Nc3 Bc3 12.Bc3 Nd5 13.f4 Qh4 14.Rb1; C2) 8...Qe7 9.0-0 (9.Ne6 Qe6 10.Nc3 Nc5 11.0-0 Bc3 12.Bc3 Nd5 13.Bb2 Nd3 14.cd3; 9.Nc3 Nc5 10.Ne6 Qe6 11.0-0 Bc3 12.Bc3 Nd5 13.Bb2 Nd3 14.cd3; 9.Bc3 a5 10.0-0 Ne5 11.Be5 de5 12.a3 Bc5 13.Nc3 Bd7 14.Qb1; 9.Qe2 Ne5 10.f4 Bg4 11.fe5 Be2 12.ef6 gf6 13.Nh7 Bd3 14.Nf6; 9.Qf3 Nc5 10.Bf6 Nd3 11.cd3 Qf6 12.Qf6 gf6 13.Ne6 fe6 14.Ke2) 9...Ne5 10.Be5 de5 11.a3 Ba5 12.Qf3 h6 13.Ne6 Qe6 14.Bf5; C3) 8...Ne5 9.a3 (9.Be5 de5 10.Nc3 Bc3 11.dc3 Bd5 12.e4 Bc6 13.0-0 Qe7 14.Qe1; 9.0-0 Bg4 10.f3 Bd7 11.Qe2 h6 12.Ne4 Be6 13.Nbc3 Qe7 14.Nf6; 9.Nc3 Bc4 10.Qe2 Bd3 11.cd3 h6 12.Nf3 Qd7 13.0-0 Rfe8 14.Ne5) 9...Ba5 10.Be5 de5 11.Nc3 Bc3 12.dc3 Bd5 13.e4 Bc6 14.0-0; D) 8.0-0= D1) 8...h6 9.a3 (9.Nc3 Nc5 10.Nd4 Qe7 11.Ne6 fe6 12.f4 d5 13.Rb1 Nd3 14.cd3; 9.Nd4 Ne5 10.Ne6 fe6 11.Be2 Qe7 12.f4 Nc6 13.Bd3 Nd7 14.Rf3) 9...Ba5 10.Nc3 Nc5 11.Nd4 Qd7 12.f3 Bc3 13.Bc3 Nd5 14.Qe2; D2) 8...Qe7 9.Nc3 (9.a3 Ba5 10.Nc3 Nc5 11.Nd4 Nd3 12.cd3 Bd7 13.Qf3 Qe5 14.h3; 9.Qe2 Nc5 10.Nc3 g6 11.Nd4 Nd3 12.Qd3 Bd7 13.f3 Qe5 14.Rab1; 9.Ng5 Ne5 10.Be5 de5 11.a3 Bc5 12.Nc3 Bd7 13.Qb1 Rab8 14.Nge4) 9...Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.a3 Bc3 13.Bc3 c5 14.Nf3; D3) 8...c6 9.a3 (9.Nc3 Nc5 10.Nd4 Qe7 11.Qe2 Nd3 12.Qd3 Nd7 13.Qe2 Nc5 14.f3; 9.Qe2 Nc5 10.Ng5 Bd7 11.a3 Ba5 12.Nc3 d5 13.a4 Re8 14.Nf3; 9.Ng5 Qa5 10.Ne6 fe6 11.f4 Nc5 12.a3 Nd3 13.cd3 Bc5 14.Qb3; 9.Nd4 Ne5 10.Nc3 Qe7 11.Ne6 Qe6 12.f4 Nc4 13.Bc4 Qc4 14.Ne2) 9...Bc5 10.Nc3 h6 11.Nd4 Ne5 12.Ne6 fe6 13.Be2 Ned7 14.d4; D4) 8...d5 9.Nc3 (9.Nd4 Nc5 10.Nc3 Bd7 11.a3 Nd3 12.cd3 Bd6 13.Ndb5 Be7 14.Qf3; 9.a3 Bd6 10.Nc3 Nc5 11.Nd4 Nd3 12.cd3 c5 13.Ne6 fe6 14.Nb5; 9.Qe2 Nc5 10.a3 Nd3 11.Qd3 Bd6 12.Ng5 Bh2 13.Kh1 Ne4 14.f4; 9.Be2 Nc5 10.Bd4 Qe7 11.h3 Ncd7 12.Bb2 h6 13.Nc3 Nc5 14.d3; 9.Ng5 Nc5 10.Bf6 Qf6 11.Bh7 Kh8 12.Qh5 Qh6 13.Qh6 gh6 14.Ne6) 9...Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.Qb3 c5 13.Nd5 Nd5 14.Qd5; D5) 8...Nc5 9.Qe2 (9.Nc3 Bc3 10.Bc3 Nfe4 11.Bd4 Qe7 12.Be4 Ne4 13.d3 Nc5 14.e4; 9.Ng5 Bd7 10.Nc3 Qe7 11.a3 Ba5 12.Qf3 Bc6 13.Qf5 Qe5 14.Qe5; 9.Nd4 Bd7 10.Bf5 g6 11.Bd7 Qd7 12.Nc3 Bc3 13.Bc3 Rfe8 14.Qe2; 9.a3 Nd3 10.cd3 Bc5 11.Nc3 h6 12.Qc2 Bg4 13.Na4 Bf3 14.gf3; 9.Be2 Qe7 10.a3 Ba5 11.Nc3 Nfe4 12.Ne4 Ne4 13.c3 Bd5 14.Qa4) 9...Bg4 10.Nc3 Qd7 11.h3 Nd3 12.cd3 Bh5 13.a3 Ba5 14.Na2.

7.Bd3 Qe7 A) 8.0-0 A1) 8...Nbd7 9.a3 (9.Nc3 Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.a3 Bc3 13.Bc3 c5 14.Nf3; 9.h3 h6 10.Nd4 Ne5 11.Nc3 Nd3 12.cd3 Bd7 13.a3 Bc5 14.Qb3; 9.Ng5 Ne5 10.Be5 de5 11.a3 Ba5 12.Qf3 h6 13.Ne6 Qe6 14.Bf5) 9...Ba5 10.Nc3 Nc5 11.Qe2 Ng4 12.h3 Ne5 13.Nd4 f5 14.f4; A2) 8...h6 9.Nc3 (9.Na3 Nc6 10.Nb5 Ng4 11.Nbd4 Nge5 12.Ne6 Qe6 13.Ne5 de5 14.Qe2; 9.Qe2 Nbd7 10.Nc3 Nc5 11.Nd4 Nd3 12.Qd3 Bd7 13.f3 Qe5 14.Rab1; 9.Nd4 Nc6 10.Nc3 Ne5 11.Qe2 Nd3 12.Qd3 Bd7 13.Rab1 a6 14.Nf5; 9.a3 Bc5 10.Nc3 Nc6 11.Nb5 Rac8 12.Nbd4 Bd5 13.Nc6 Bc6 14.Nd4; 9.h3 Nbd7 10.a3 Ba5 11.Nc3 Nc5 12.Nd4 Nd3 13.cd3 Bd7 14.Qf3) 9...Nc6 10.h3 d5 11.Qe2 Rad8 12.Rfe1 Rfe8 13.Nd4 Nd4 14.ed4; A3) 8...g6 9.a3 (9.Nc3 Nc6 10.h3 d5 11.Qe2 Rad8 12.Rab1 Rfe8 13.a3 Ba5 14.Rfe1; 9.Qe2 Nbd7 10.a3 Bc5 11.Nc3 c6 12.Na4 b5 13.Nc5 Nc5 14.Nd4; 9.Nd4 Nc6 10.Nc6 bc6 11.Qf3 Ng4 12.Qc6 Rab8 13.Bd4 Ne5 14.Be5; 9.Ng5 Nbd7 10.Ne6 fe6 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Nd5 14.Bd4; 9.Na3 Nc6 10.Nb5 Ng4 11.Nbd4 Bd5 12.c4 Bf3 13.Nf3 Nge5 14.Be2) 9...Bc5 10.Nc3 Nc6 11.h3 Ne5 12.Ne5 de5 13.Qf3 c6 14.Ne4; A4) 8...a6 9.Ng5 (9.Nc3 Nbd7 10.h3 h6 11.a3 Bc3 12.Bc3 Nc5 13.Nd4 Nfe4 14.Qf3; 9.a3 Bc5 10.Nc3 Nbd7 11.h3 h6 12.Ne2 d5 13.Nf4 Bd6 14.Ne6; 9.Qe2 Nc6 10.Nc3 h6 11.a3 Bc5 12.h3 Rad8 13.Na4 Ba7 14.Nc3) 9...Nbd7 10.Qf3 Bc5 11.Bf6 Nf6 12.Nc3 c6 13.a4 d5 14.Ne6; A5) 8...Nc6 9.a3 (9.Qe2 Bg4 10.h3 Bh5 11.g4 Bg6 12.Nc3 d5 13.a3 Bc3 14.Bc3; 9.Nc3 Bc3 10.dc3 Bd7 11.Be2 h6 12.Rb1 Rab8 13.h3 b5 14.c4) 9...Bc5 10.Nc3 g6 11.h3 Ne5 12.Ne5 de5 13.Qf3 c6 14.Ne4; B) 8.Nc3 B1) 8...Na6 9.0-0 (9.Qe2 Nc5 10.0-0 h6 11.Nd4 Nd3 12.Qd3 Bd7 13.Rab1 Rac8 14.Nf5; 9.Nb5 c6 10.a3 cb5 11.ab4 Nb4 12.Bb5 a6 13.Be2 Ne4 14.d3; 9.Nd4 Nc5 10.0-0 Nd3 11.cd3 Bd7 12.a3 Ba5 13.Qf3 Qe5 14.h3; 9.h3 Nc5 10.0-0 Nd3 11.cd3 h6 12.Qc2 c5 13.a3 Ba5 14.Qa4; 9.Na4 Ba5 10.c3 Rfd8 11.Nd4 Nc5 12.Nc5 dc5 13.Ba3 Bd5 14.0-0) 9...Nc5 10.Qe2 g6 11.Nd4 Nd3 12.Qd3 Bd7 13.f3 Qe5 14.Rab1; B2) 8...Nc6 9.a3 (9.0-0 Bc3 10.dc3 Nd7 11.c4 Nc5 12.Rb1 f6 13.Bc3 Rad8 14.Nd4; 9.h3 Bc3 10.Bc3 Nd5 11.0-0 f6 12.Qe2 b6 13.Bd4 Ncb4 14.c4; 9.Nb5 Ba5 10.0-0 Nb4 11.Ng5 Nd3 12.cd3 Bf5 13.Qc2 c6 14.Nd4) 9...Ba5 10.0-0 Nd7 11.Ne4 f6 12.Nd4 Nd4 13.ed4 f5 14.Ng3; B3) 8...Bc3 9.Bc3 Nd5 10.Rb1 Nc3 11.dc3 c5 12.0-0 Nc6 13.a3 Rad8 14.h3; B4) 8...h6 9.Nb5 (9.0-0 Nc6 10.Nb5 Rac8 11.h3 Bc5 12.Nbd4 Bd5 13.c4 Be4 14.Nf5; 9.Nd4 Nbd7 10.Ne6 fe6 11.0-0 Nc5 12.f4 Bc3 13.Bc3 Nd5 14.Rb1; 9.h3 Nbd7 10.Nd4 Ne5 11.0-0 Bd7 12.Nf5 Qe8 13.e4 Bc5 14.Re1) 9...Na6 10.0-0 c6 11.Nbd4 Nc5 12.Ne6 fe6 13.Bg6 Na4 14.Bd4; B5) 8...Nbd7 9.Nb5 (9.0-0 Nc5 10.Nd4 Nd3 11.cd3 Bd7 12.a3 Ba5 13.Qf3 Qe5 14.h3; 9.h3 Nc5 10.0-0 d5 11.Nd4 Nd3 12.cd3 Bd7 13.Qb3 c5 14.Nc2; 9.Qe2 Nc5 10.0-0 Bc3 11.Bc3 Nfe4 12.Bd4 Bg4 13.Bc4 Rfd8 14.d3; 9.a3 Bc3 10.Bc3 Nc5 11.Rb1 Bd5 12.0-0 Nfe4 13.Qe2 f5 14.Bd4; 9.Nd4 Ne5 10.0-0 Bd7 11.a3 Nd3 12.cd3 Ba5 13.Qf3 Qe5 14.h3) 9...Nd5 10.a3 Ba5 11.Qe2 Nc5 12.0-0 g6 13.Nbd4 Bd7 14.Nb3; C) 8.Qe2 C1) 8...Nfd7 9.0-0 (9.Nc3 Nc5 10.a3 Nd3 11.cd3 Ba5 12.0-0 Nc6 13.d4 a6 14.d3; 9.c4 Nc6 10.Nc3 Bc3 11.Bc3 Nc5 12.Bc2 f5 13.0-0 Ne4 14.Rab1; 9.a3 Bc5 10.Nc3 Nc6 11.0-0 Nde5 12.Be4 Nc4 13.Rfb1 N6e5 14.d4; 9.h4 f6 10.h5 Nc6 11.h6 g6 12.Nc3 Nc5 13.0-0 Ne5 14.Ne5; 9.Nd4 Ne5 10.Ne6 fe6 11.Be5 de5 12.0-0 Nd7 13.Nc3 Bc3 14.dc3) 9...Nc6 10.a3 Ba5 11.Nc3 Nc5 12.h3 Ne5 13.Nd4 f5 14.f4; C2) 8...Na6 9.a3 (9.0-0 Nc5 10.Nc3 g6 11.Nd4 Nd3 12.Qd3 Bd7 13.a3 Bc5 14.a4; 9.Nc3 Nc5 10.0-0 g6 11.Nd4 Nd3 12.Qd3 Bd7 13.a3 Bc5 14.a4; 9.Ng5 Nc5 10.Bf6 Qf6 11.Bh7 Kh8 12.Qh5 Qh6 13.Qh6 gh6 14.Ne6) 9...Ba5 10.Nc3 Nc5 11.0-0 Ng4 12.h3 Ne5 13.Nd4 f5 14.f4; C3) 8...g6 9.0-0 (9.a3 Bc5 10.0-0 Nc6 11.Nc3 d5 12.h3 Rad8 13.Rfe1 Rfe8 14.e4; 9.Nc3 Na6 10.0-0 Nc5 11.Nd4 Nd3 12.Qd3 Bd7 13.a3 Bc5 14.f3; 9.Ng5 Nbd7 10.Ne6 Qe6 11.0-0 Nc5 12.Nc3 Bc3 13.Bc3 Nd5 14.Bd4; 9.Nd4 Nc6 10.Ne6 Qe6 11.0-0 Rae8 12.Nc3 Bc3 13.Bc3 Nd5 14.Rab1; 9.h3 Nbd7 10.a3 Ba5 11.Nc3 d5 12.0-0 Nc5 13.Nd4 Bd7 14.Nb3) 9...Nbd7 10.a3 Ba5 11.Nc3 Nc5 12.Nd4 Nd3 13.Qd3 Bd7 14.f3; C4) 8...Nc6 9.0-0 (9.a3 Bc5 10.Nc3 Bg4 11.Na4 Bb6 12.h3 Bh5 13.0-0 Ne5 14.Be5; 9.Nc3 Bc3 10.Bc3 Nd5 11.0-0 Nc3 12.dc3 Qf6 13.Nd4 g6 14.Rab1) 9...Bg4 10.h3 Bh5 11.a3 Ba5 12.Nc3 Ne5 13.g4 Nd3 14.Qd3; C5) 8...Nbd7 9.0-0 (9.Nc3 Nc5 10.0-0 a6 11.Ng5 h6 12.Ne6 Qe6 13.f4 d5 14.f5; 9.a3 Ba5 10.0-0 Nc5 11.Nc3 Ng4 12.h3 Ne5 13.Nd4 f5 14.f4; 9.Nd4 Ne5 10.Nc3 c5 11.Ne6 Qe6 12.f4 c4 13.fe5 cd3 14.Qd3) 9...Nc5 10.Nc3 g6 11.Nd4 Nd3 12.Qd3 Bd7 13.a3 Bc5 14.a4; D) 8.a3 D1) 8...Bc5 9.Ng5 (9.Nc3 Nc6 10.0-0 h6 11.Nb5 Rac8 12.Nbd4 Bd5 13.Nc6 Bc6 14.Nd4; 9.0-0 Nc6 10.Nc3 d5 11.Re1 h6 12.h3 Rad8 13.Qe2 Rfe8 14.e4; 9.Qe2 Nc6 10.Nc3 Ne5 11.Ne5 de5 12.0-0 c6 13.h3 Rad8 14.f4; 9.h3 Bb6 10.Ng5 Nbd7 11.0-0 g6 12.Qe2 Nc5 13.Nc3 d5 14.Ne6; 9.Bf6 Qf6 10.Nc3 Nc6 11.Ne4 Qe7 12.Qe2 f5 13.Nc5 dc5 14.0-0) 9...Nc6 10.Qf3 Ne5 11.Be5 de5 12.Nc3 Bg4 13.Qb7 Rab8 14.Qc6; D2) 8...Ba5 9.0-0 (9.Qe2 Nc6 10.Nc3 Nd7 11.0-0 Nc5 12.Bc4 Bc3 13.Bc3 Bc4 14.Qc4; 9.Nc3 Nbd7 10.Qe2 Nc5 11.0-0 Ng4 12.h3 Ne5 13.Nd4 f5 14.f4; 9.Ng5 Nc6 10.0-0 Ne5 11.Ne6 fe6 12.f4 Nd3 13.cd3 b5 14.Nc3; 9.Nd4 Bg4 10.Be2 Be2 11.Qe2 Nc6 12.0-0 Rab8 13.Nb3 b6 14.f4; 9.h3 Nbd7 10.0-0 Nc5 11.Nc3 Bc3 12.Bc3 Nfe4 13.Bd4 Bd5 14.Be4) 9...Nbd7 10.Nc3 Nc5 11.Qe2 g6 12.Nd4 Nd3 13.Qd3 Bd7 14.f3.

7.Be2 c5 8.0-0 d5 9.c4 dc4 10.Qc2 Re8 11.Ng5 Bd5 12.Bf6 Qf6 13.Qh7 Kf8 14.Qh5 Qa1 15.Nc3+- Bc3 16.Ra1 Ba1 17.Nh7 Kg8 18.Qd5 Nc6 19.Ng5 Re7 20.Bc4 Ne5 21.Qc5 Ree8 22.Bf1 Rac8 23.Qb5 f6 24.Ne4 Re7 25.Qb1 Nf7 26.f4 f5 27.Ng3 Bf6 28.Nf5 Rd7 29.g4 Be7 30.g5 Bg5 31.fg5 Ng5 32.Qb4 Rc1 33.Qg4 Nf3 34.Qf3 g6 35.Qg3 Kf7 36.Nd6 Ke6 37.Qg6 Ke7 38.Nf5 Kd8 39.e4 Kc7 40.d4 Rc6 41.Qg3 Kb6 42.e5 a6 43.e6! Rd8 44.e7 Rh8 45.d5 Rc1 46.Qf2 Kc7 47.Qf4 Kd7 48.Qc1 Rg8 49.Kf2 Re8 50.Ba6! Re7 51.Bb5 Kd8 52.Qf4 Re5 53.Qe5 Kc8 54.Ne7 Kd8 55.Qd6# 1–0. marekt – NSTSUSA, ChessWorld.net, 2005.

7.Be2 c5 8.0-0 d5 9.d3 Nc6 10.a3 Ba5 11.Nbd2 d4 12.Nb3 Bb3 13.cb3 de3 14.fe3 Re8 15.e4 c4 16.Bf6+/– Qf6 17.bc4 Bb6 18.Kh1 Rad8 19.Qc1 Qd6 20.Qg5 Ne5 21.Qh5 g6 22.Qh6 Nf3 23.Rf3 Bd4 24.Raf1 Rd7 25.Rh3 f5 26.Bd1 Qa3 27.ef5 Rf8 28.Rhf3+- Bg7 29.Qh3 gf5 30.Rf5 Rfd8 31.Bg4 Rd3+/– 32.Qh4 R3d7 33.Rh5+- Qe7 34.Bd7 Rd7 35.Qf2 h6 36.Qa7 Qe2 37.Rhf5 Qc4 38.Qb6 Qd3 39.R5f3 Qd6 40.Qb3 Kh8 41.Qb1 ½–½. mrkt – Ryaad Aabid, internet, 2005.

7.Be2 c5 8.c4 Nc6 9.0-0 Bf5 10.d4 Qe7 11.d5 Ne5 12.Ne5 de5 13.Nd2 Rad8 14.Nb3 Ne4 15.Bd3 Bc3 16.Bc3 Nc3 17.Qc2 e4 18.Be2 Ne2 19.Qe2 Qc7 20.Qc2 Rfe8 21.Rad1 Bg4 22.Rb1 b5 23.cb5 Rd5 24.Qc4 Rh5 25.g3 Bf3 26.Rfc1 Rc8 27.Nd2 Rd8 28.Nf3 ef3 29.Qg4 Rhd5 30.Qf3 Rd2 31.a4 R8d3 32.Qc6 Qe5 33.Qc5 Rd1 34.Kg2 Qe4 35.Kh3 Qe6 36.g4 Qh6 37.Kg3 Qd6 38.Qd6 Rd6 39.Rd1 1–0. hal1958 – ricardox, playchess.de, 2002.

7.Be2 Nc6 8.0-0 Qe7 9.c3 Bc5 10.Qc2 Bd5 11.d4 Bb6 12.c4 Be4 13.Qc3 Ba5 14.Qb3 Rab8 15.Nbd2 Bf5 16.Bd3 Bd3 17.Qd3 Rfe8 18.Nb3 Nb4 (18...Bb6 19.Qf5 Qe4 20.Qe4 Ne4 21.a4+=) 19.Qd2 (Better is 19.Qf5!? b6 20.a3+/–) 19...Ne4= 20.Qe1 b6 21.Na5 ba5 22.Qd1 Nd3 23.Ba3 (Better is 23.Qd3 Rb2 24.d5+=) 23...Nef2-/+ 24.Rf2 Nf2-+ 25.Kf2 Qe3 26.Kf1 Qa3 27.Qd2 Rb2 28.Qg5 Qe3 29.Qg3 Qd3 30.Kg1 Rb1 31.Rb1 Qb1 32.Kf2 Qc2 33.Kf1 Qd1 34.Ne1 Re1 35.Qe1 Qe1 36.Ke1 (36...Kf8 37.Kd2-+) 1–0. OPA – OPTIMIST, Live Game Caissa's Web, 2004.

7.Be2 Nc6 8.a3 Ba5 9.0-0 Bb6 10.c4 d5 11.cd5 Nd5 12.Qc2 Qd6 (12...f5!?=) 13.Ng5+= f5 14.Nc3 Nc3 (better is 14...Na5+/–) 15.Qc3+- (15.Bc3?! Bd5=; 15.dc3 Rfd8 16.Rad1 Qe7 17.Ne6 Qe6+-) 15...Rf6 16.Ne6 Ba5 17.Qb3 Re6 18.Bc4 Rae8 19.d4 Bb6 20.Qb5 White prepares the advance d5 20...f4 (20...a6 21.Qf5 g6 22.Qc2+-) 21.d5 a6 (21...Nd4 22.ed4 R6e7 23.a4+-) 22.Qa4 fe3 23.de6 (23.dc6?! ef2 24.Kh1 Qc6 25.Qc6 bc6+-) 23...ef2 24.Kh1 Be3 (24...Re7+-) 25.Rad1 Qc5 26.Rd5 Qe7 (26...Qf8 27.e7! Qe7 28.Re5 Kf8 29.Rf5 Qf6 30.Bf6 gf6 31.Rf6 Ke7 32.Rc6 bc6 33.Qc6 Bd4 34.Rd1 f1Q 35.Rf1 Bf2 36.Qe6 Kd8 37.Rd1 Bd4 38.Rd4) 27.Rd7 Qg5 28.e7 Kh8 29.Bf7 Re7 30.Qc6! Re8 (30...bc6 31.Rd8 Mate attack) 31.Qc7 Bf4 32.Qb6 Be3 33.Qb7 Rd8 34.Bc4 Bd4 (34...Rf8 35.Rg7 Qg2 36.Kg2 Rf7 37.Qf7 Bd4 38.Rh7) 35.Rd8 Qd8 36.Bd4 Qf8 37.Rf2 1–0. Ganesan,Arasu – Andersson,Lars H, email 4AMM–05, 1997.

7.Be2 d5 8.0-0 A) 8...Qe7 9.Nc3 (9.a3 Bc5 10.d4 Bd6 11.Qd3 Nc6 12.Nbd2 h6 13.Ne5) 9...Nc6 10.Bd3 h6 11.Qe2 Rfe8 12.h3 a6 13.Rfe1; B) 8...c5 9.Ng5 (9.a3 Ba5 10.Nc3 Nc6 11.Na4 Nd7 12.Qb1 Qe7 13.Bc3) 9...Bf5 10.a3 Ba5 11.Nc3 h6 12.Nf3 Nc6 13.Bd3; C) 8...Nc6 9.a3 (9.h3 Ne4 10.a3 Bc5 11.Nc3 Re8 12.d4 Bd6 13.Qd3) 9...Bd6 10.Nc3 a6 11.Bd3 Re8 12.Re1 Qd7 13.Ng5.

7.Be2 d5 8.a3 A) 8...Be7 9.Nc3 (9.0-0 c5 10.Nc3 Nc6 11.h3 h6 12.d4 a6 13.a4) 9...c5 10.0-0 Nc6 11.Ng5 Bf5 12.Bf3 h6 13.e4; B) 8...Bc5 9.Nc3 (9.0-0 Nc6 10.Nc3 Qe7 11.d4 Bd6 12.Ng5 Bf5 13.Bd3) 9...Nc6 10.0-0 h6 11.Nb5 Ne4 12.d3 Nd6 13.Nbd4; C) 8...Bd6+= 9.Nc3 (9.0-0 Nc6 10.Nc3 a6 11.Bd3 Qd7 12.Ng5 Rfe8 13.Ne6) 9...Nc6 10.Nb5 Ng4 11.Nd6 Qd6 12.Ng5 f5 13.a4.

7.Be2 d5 8.Nc3 Bd6 (8...c5 9.0-0= (9.a3 Bc3 10.Bc3 Nc6 11.0-0 Ne4 12.Bb2 c4 13.d3) 9...Nc6 10.Nb5 a6 11.Bf6 Qf6 12.Nc7 Rab8 13.Ne6; 8...Ne4 9.Bd3 (9.0-0 Nc6 10.a3 Bc3 11.Bc3 Nc3 12.dc3 Qd6 13.Qd2) 9...Bc3 10.Bc3 Nc6 11.0-0 f6 12.Rb1 b6 13.Nd4; 8...Nc6 9.a3 (9.0-0 Ne4 10.a3 Bc3 11.Bc3 Nc3 12.dc3 Qd6 13.Qd2) 9...Bd6 10.Nb5 Ne4 11.d3 Nc5 12.a4 Be7 13.0-0) 9.Nb5 (9.0-0 Nc6 10.Nb5 Ne4 11.d3 Nc5 12.Nfd4 Na4 13.Nd6) 9...Be7 (9...Nc6 10.Nd6 Qd6 11.Bf6 gf6 12.0-0 Kh8 13.Rb1) 10.Be5 Na6 (10...Ne8 11.Rb1= (11.Nbd4 Nd7 12.0-0 Bf6 13.Bf4) 11...Nc6 12.0-0 Bf6 13.Bf6; 10...Bd6 11.Nd6 cd6 12.Bb2 Nc6 13.0-0) 11.0-0 (11.Nbd4 Nc5= 12.0-0 Bd6 13.Rb1) 11...c6 (11...Nd7 12.Bf4= Ndc5 13.Rb1) 12.Nbd4 Nc5 13.Rb1 Bd6 (13...Bg4!?=) 14.Ne6+= fe6 15.d4 (15.Bd6 Qd6 16.d4 Nce4 17.Rb7 Ng4+=) 15...Be5 16.Ne5 (worse is 16.de5 Nfe4 17.Qe1 Qc7+=) 16...Ncd7 (16...Qc7!?+=) 17.Rb7+/– Ne5 18.de5 Nd7 (18...Ne4 19.Bd3 Qc8 20.Rb3+/–) 19.Qd4 c5 (19...a5!?+/–) 20.Qg4+- a6?? (20...Qe8+-) 21.Qe6 Rf7 22.Bh5 g6 23.Bf3 Kg7 (23...Qe7 24.Qe7 Re7 25.Bd5 Kf8 26.Rd7 Rd7 27.Ba8+-) 24.Qd5 Qe8 (24...Rb8 25.e6 Rb7 26.Qb7+- (26.ed7?! Rfd7 27.Qe5 Qf6 28.Qf6 Kf6 29.Bb7 Rb7+/–)) 25.e6 Nf6 26.ef7 Qf8 27.Qe5 Rd8 28.Re7 Kh6 29.Qf6 c4 (29...Rb8 30.g4 Qe7 31.g5) 30.g4 Rd5 31.h4 White prepares g5 31...Rf5 (31...Qe7 32.f8Q Qf8 33.Qf8) 32.g5 Rg5 33.hg5 1–0. Janek – Bbg, internet free game, 2017.

7.Be2 d5 8.h3 A) 8...h6 9.Nc3 (9.0-0 Nc6 10.a3 Bd6 11.Nc3 a6 12.Bd3 Re8 13.Ne2) 9...Nc6 10.0-0 Re8 11.Nb5 Ne4 12.d3 Nd6 13.c3; B) 8...Nc6 9.0-0 (9.a3 Bd6 10.Nc3 a6 11.0-0 Qd7 12.Na4 b5 13.Bf6) 9...Ne4 10.d3 Ng5 11.Nbd2 f6 12.Ng5 fg5 13.Nf3; C) 8...Ne4 9.0-0 (9.a3 Bd6 10.Nc3 Nc6 11.0-0 a6 12.d3 Nf6 13.Qd2) 9...Nc6 10.a3 Ba5 11.d3 Nc5 12.Nc3 f5 13.Nd4.

7.Be2 Nbd7 8.0-0 Ba5 9.Nd4 c5 10.Ne6 fe6 11.Bc4 d5 12.Be2 e5 13.c4 d4 14.ed4 cd4 15.Bd3 e4 16.Bc2 Nc5 17.d3 Re8 18.Nd2? (18.Na3 ed3 19.Bd3 Bc3=+ (19...Nd3?! 20.Qd3 Bc3 21.Bc3 dc3 22.Qc3+=)) 18...e3?? (Better is 18...ed3 19.Bb3 Re2-+) 19.fe3= de3 20.Ne4? Nce4-+ 21.de4 Qd1 22.Bd1 Ng4?? 23.Bg4+- Re4 24.c5?? e2?? 25.Be2= Re2 26.Bd4 Rd8 27.Rad1 Bc7 28.g3 Ra2 29.Rf2?? Rf2-+ 30.Kf2 b6?? 31.cb6 Bb6-+ 32.Ke3 Re8?? 33.Kd3?? Rf8 34.Kc4? Bd4?? 35.Rd4=+ Rf2 36.h4 Rg2 37.Rd3 Ra2 38.Kb5 a5 39.Kc4 a4 40.Rd7 a3 41.Ra7 Ra1 42.Kb3? Rg1-/+ 43.Ka3?? Rg3 44.Kb4 Rg4 45.Kc5 Rh4 46.Kd6 g5 47.Ke6 Rf4 48.Ke5 h5 49.Ra8 Rf8 50.Rf8?? Kf8 51.Kf5 h4 52.Kg5 h3 53.Kf4 h2 54.Ke4 h1Q 55.Kd4 Qh3 56.Ke5 Kf7 57.Kd4 Qf5 58.Ke3 Ke6 (59.Kd4 Qc2-+) 0–1. MammaMia – burka, Live Game Caissa's Web, 2004.

6.e3 Re8

7.a3 Ba5 8.Nc3 Bg4 9.Be2 Nbd7 10.Nd4 Be2 11.Nde2 Nc5 12.Ng3 Bc3 13.Bc3 Rc8 14.d4 Na4 15.Bd2 c5 16.dc5 Rc5 17.0-0 Qd7 18.Rb1 d5 19.Bb4 Rcc8 20.c3 Rc3 21.Bc3 Nc3 22.Qc1 Nb1 23.Qb1 Ne4 24.Nh5 Qg4 25.Ng3 Nd2 26.Qb5 Re7 27.Qc5 Re5 28.Qd6 Re6 29.Qd8 Re8 30.Qe8 1–0. Nautiluschess – rusalka, internet, 2001.

7.Nc3 Nc6 8.e4 Bc3 9.Bc3 Re4 10.Be2 Qe7 11.Ng5 Bf5 12.Ne4 Be4 13.0-0 Re8 14.Bf3 Bf3 15.Qf3 Ne5 16.Be5 de5 17.Qb7 Nh5 18.g3 f5 19.Qd5 Kh8 20.Rfe1 Nf6 21.Qd3 g6 22.f4 Qc5 23.Kh1 e4 24.Qc3 Qd5 25.Qf6 Kg8 26.Qc3 Re7 27.Kg1 Rd7 28.d3 Qd4 29.Qd4 Rd4 30.de4 fe4 31.c3 Rc4 32.Rad1 Kf7 33.Rd7 Ke6 34.Rd4 Rc3 35.Rde4 Kf5 36.Re5 Kg4 37.Kg2 Rc2 38.Kh1 h5 39.h3 Kh3 40.Rf5?? gf5 41.Re5 Rh2 42.Kg1 Rg2 43.Kf1 Kg3 44.Rf5 Rf2 45.Kg1 Ra2 46.Rg5 Kf4 47.Rh5 a5 48.Rc5 a4 49.Rc7 a3 50.Ra7 Kf3 51.Ra4 Ra1 52.Kh2 a2 53.Ra3 Ke2 54.Kg3 Rg1 55.Kf4 a1Q 56.Rg3 Qa4 57.Ke5 Rg3 0–1. Nautiluschess – KramMan, ICS blitz, 2001.

7.Bc4 d5=+ 8.Bb3 c5 9.0-0 Bg4 10.a3 Ba5 11.c4 Nc6 12.d3 d4-/+ 13.ed4 Nd4 14.Bd4 Bf3 15.Qf3 Qd4 16.Ra2 Rad8 17.Ba4 Re7 18.Bc2 Ng4 19.g3 Ne5-+ 20.Qe4 Qe4 21.de4 Nc4 22.Rc1 Ne5 23.Kg2 Rd4 24.Rb2 Red7 25.Bb3? Nd3 26.Rbc2 Nc1 27.Rc1 Rc7 28.Nc3 Bc3 29.Rc3 Re4 30.Rf3 c4 31.Bc2 Re1 32.Rf4 g6 33.h4 Re2 34.Be4 c3 35.Kf3 c2 (35...c2 36.Bc2 Rcc2-+) 0–1. Polo,Raphael – Dlugolecki,Grzegorz, corr or01–015 E–mail, 2001.

7.Be2 d5 8.0-0 Bf5 9.d3 c6 10.Nbd2 Bd6 11.c4 Nbd7 12.Rc1 Ng4 (12...Be6 13.Nd4=) 13.h3 Nge5 14.Be5 Ne5 15.d4 Nf3 16.Nf3 Re6 (16...dc4 17.Bc4 Qf6 18.Bd3=) 17.cd5 cd5 18.Qb3 Rg6 19.Kh1 (19.Qd5?? Bh2 20.Kh2 Qd5-+; 19.Qb7 Bh3 20.Nh4 Rb8 21.Qb8 Bb8 (21...Qb8?! 22.Ng6 Bg2 23.Kg2 fg6 24.Bg4+=) 22.Ng6 Qg5-+) 19...Qd7 20.Ng1 (20.Nh4 Rh6 21.Nf5 Qf5=) 20...Rh6 (20...Qe7 21.Rc3= (21.Qd5?? Be4 22.Qe4 Qe4-+)) 21.f4 (21.Qd5 Be6 22.Qg5 Ba2=) 21...Be4 22.Bf3 Re8 23.Rf2 (23.Be4 de4 24.Ne2 Bf8=) 23...Bf3 (23...Rhe6!?=+) 24.Nf3= Rhe6 (24...Bb8 25.Rc5 Rd8 26.Rfc2=) 25.Qd5+= Re3 26.Ne5 Qe6 (26...Qe7!?+=) 27.Qb7+/- f6 28.f5 Qe7 29.Qd5 (better 29.Qe7 Be7 30.Nf3+/-) 29...Kh8?? (better 29...Kf8 30.Rf3 Re2+=) 30.Nf7+- Qf7 31.Qf7 (31.Qd6?! Qh5+/-) 31...Re1 32.Rf1 R1e7 33.Qb3 1-0. bjoernsen (2345) - Verdena08 (2335), Rated Blitz game, lichess.org, 2016.

7.Be2 Bf5 8.0-0 d5 9.a3 Bd6 10.c4 Nbd7 (10...Nc6 11.cd5 Nd5 12.Nc3=) 11.d4 (11.Nd4!? Be6 12.Nc3+=) 11...dc4+= 12.Bc4 Be4 13.Nbd2 Nb6 14.Ne4 Nc4 (worse is 14...Ne4 15.Bd3+/–) 15.Nd6 Qd6 (15...cd6 16.Qe2 Nb6 17.Rac1=) 16.Qb3 Nb2 17.Qb2 a6 18.Rfc1 (18.Qb7?? Reb8 19.Qa8 Ra8-+) 18...b6 19.Qc2 Rac8 20.Qc6 Ne4 21.Qd6 (21.Qb7 a5+=) 21...Nd6 (better is 21...cd6!? 22.Kf1 b5+=) 22.Rc6+/– Red8 23.Rac1 Ne8 24.Kf1 f6 25.Nd2 Rd6 26.Ne4 Rc6 27.Rc6 a5 28.Nc3 Rb8 29.a4 Kf7 30.Ke2 Ke7 31.Nb5 Kd7 32.d5 Rd8 33.e4 Kc8 34.Ke3 Rd7 35.f4 f5+= 36.ef5 Rd5 37.g4 Kd7 38.Rc4 c6 39.Nc3 Nd6 40.Rd4 Rd4 41.Kd4 b5 42.ab5 Nb5+= 43.Nb5? cb5-+ 44.g5 a4 45.Kc3 a3 46.Kb3 b4! 47.h4 Ke7 48.Ka2 Kf7 49.Kb3 g6?? 50.f6+= h6 51.Ka2 Ke6 52.Kb3 h5 53.Ka2 Kf7 ½–½. Makhanov,Amirkhan – Suder,Jakub, Wch U08 Maribor, 2012.

7.Be2 Bg4 8.0-0 Nc6 9.c4 Ne5 10.d4 (10.Nc3 h5=) 10...Bf3 (10...Nf3!? 11.Bf3 Bf3 12.Qf3 Ne4+=) 11.gf3= Ng6 12.Qd3 (12.Nc3 Bc3 13.Bc3 Qd7=) 12...Nd7 (12...Nh5 13.Kh1 Nhf4-/+) 13.a3 Ba5 14.Nc3 Qh4 15.Qf5 Ndf8?? (better is 15...Bc3 16.Bc3 Nf6=) 16.Qa5+- c6 17.Ne4 Re6 (17...Qh3 18.Qg5 (18.Nd6 Nh4 19.Qg5 Re6-+) 18...Ne6 19.Qg3 Qg3 20.hg3+-) 18.d5 Nf4 (18...Re4 19.fe4 Qe4 20.Qc3+-) 19.de6 (19.ef4?? Rh6 20.Nf6 gf6 21.h3 Qh3 22.dc6 Qh2) 19...Ne2 20.Kh1 Ne6 21.Qe1 N2f4 (21...d5 22.Nd2 N2f4 23.ef4 Qf4 24.cd5 cd5 25.Qe3+-) 22.ef4 Nf4 (22...Qf4 23.Qe3 d5 24.cd5 cd5 25.Qf4 Nf4 26.Nd6+-) 23.Rg1 g6 (23...Ng6+-) 24.Rg4 1–0. usingprogram (2045) – wiktor0512, kurnik, 2013.

7.Be2 Bg4 8.0-0 Nbd7 9.h3 Bf3 10.Bf3 d5 11.c4 dc4 12.Bb7 Rb8 13.Bc6 (13.Ba6 Nb6=) 13...Re6 14.Bf3 Bc5 15.Ba3 (better is 15.Bc3!?=) 15...Rb1!-/+ 16.Rb1 (16.Rb1 Ba3 Remove defender; 16.Qb1 Ba3 Remove defender) 16...Ba3 17.Qa4 Bf8 18.Qa7 Ne5 19.Qd4 (19.Ba8 Qd2 20.Rb8 Re8-/+) 19...Nf3 20.gf3 Qa8 (20...Qd4 21.ed4 Rd6 22.a4-+) 21.e4-/+ Qc8 (21...Nh5 22.Rfc1-+ (worse is 22.Qc4 Rg6 23.Kh2 Bd6 24.f4 Bf4 25.Kh1 Qc8-+)) 22.Rfe1 (22.Rfc1!?-/+) 22...Rd6-+ 23.Qc4 Qh3 (better is 23...Rd2 24.e5 Nd7-/+) 24.Qf1 (24.e5 Ne4! 25.ed6 Nd2 26.Qc6 Nf3 27.Qf3 Qf3 28.dc7 Qg4 29.Kh1 Qh5 30.Kg2 Qg6 31.Kf1 Qa6 32.Kg1=) 24...Qf3 25.Re3 (25.Qe2 Qf4 26.Qe3 Qg4 27.Qg3 Rd2-+) 25...Qf4 (25...Qf4 26.d3 Ng4-+) 0–1. adalbert (2170) – marekt (2220), gameknot.com, 2016.

6.e3 Bf5

7.a3 Bc5 8.d4 Bb6 9.Bd3 Bd3 10.Qd3 Ba5 11.Bc3 Bc3 12.Nc3 =.

7.a3 Bc5 8.Be2 Nbd7 9.0-0 d5 10.d3 Re8 11.Nbd2 Qe7 12.Re1 =.

7.Be2 c5 8.0-0 d5 9.d3 Nc6 10.Nbd2 d4 11.a3 Ba5 12.Nb3 Bb6 13.c4 de3 14.fe3 Ng4 15.Qd2 Qe7 16.Ne5 Nge5 17.Rf5 Rad8 18.Qc3 f6 19.Rd1 Qe6 20.Rf4 Nf7 21.Bc1 Bc7 22.Nc5 Qe7 23.Rf5 Be5 24.d4 Nh6 25.Rff1 Qc5 26.de5 Ne5 27.Qb4 Qc6 28.Bb2 Qe4 29.Bd4+= Nf5 30.Rf4+/– Nd4 31.Re4 Ne2 32.Kf2 Rd1 33.Ke2 Rd7 34.Rd4 Rc7 35.c5 Rfc8 36.Qb3 Kf8 37.Qd5 Re7 38.h3 Nc6 39.Re4 Ne5 40.Ra4 Nc6 41.Qf5 Rce8 42.Qh7 Re3 43.Kf2 R3e7 44.h4 Rd8 45.h5 Rd2 46.Kg1 Nd4 47.Kh2 Nf3 48.Kg3 Ng5 49.Qf5 Re3 50.Kh4 Ne6 51.Qb1 Rg2 52.Qb7 Rh2 53.Kg4 f5 54.Kf5 Rh5 55.Kg4 Rg5 56.Kh4 ½–½. Woelfelschneider,Peter – Winiger,A, ETC, 2003.

7.Be2 Nbd7 8.0-0 d5 9.a3 Ba5 10.Nd4 Bg6 11.Nb3 Bb6= 12.d3 c6 13.N1d2 Re8 14.d4 Ne4 15.c4 dc4 16.Nc4 Ndf6 17.f3 Nd6 18.Nb6 Qb6 19.e4 Nb5 20.a4+= Nc7 21.a5 Qb4 22.Ba3 Qc3 23.Bd3 (23.Bd3 Ne4 24.Rc1+/–) 1–0. Kotainy,Jens (1905) – Schreyer,Erik, NRW–ch U14, 2007.

7.Be2 Nbd7 8.0-0 Re8 9.c4 d5 10.Qb3 Bf8 (10...a5 11.d4 Be6 12.c5+-) 11.cd5 Nc5 12.Qb5 (better 12.Bf6!? Qf6 13.Qc3+=) 12...a6 13.Qc4 b5 (13...Nd5 14.Nc3 Nc3 15.Qc3=+) 14.Qc1 (better 14.Qf4!? g6 15.Qd4=) 14...Nd5=+ 15.Ne1 Na4 16.Nc3 Nac3 (16...Ndc3 17.Bc3 Nc3 18.Qc3-/+) 17.Bc3 (17.dc3 Nb6=+) 17...Nc3 18.dc3 Qf6 19.a4 c6 20.Bf3 Be4 21.ab5 cb5 22.Be4 Re4 23.Nf3 Rc4 Black plans b4 24.Nd4 Rac8 25.Ra2 (25.Qb2-/+) 25...Rc3 (better 25...Bb4!?-/+) 26.Qa1=+ b4 27.Ra6 Qd8 (27...Bd6 28.Rd1=+) 28.Qb2 (28.Rd1 Qh4=) 28...Ra3 (28...Bc5 29.Nb5 Rd3 30.Qb1=+) 29.Rc6= Rc6 30.Nc6 Attacks the isolani on b4 30...Qb6 31.Nd4 Bc5 32.Rb1 Qa5 33.Nb3 Qb6 34.Nc5 Qc5 35.g3 (35.Qb4?? Qb4 36.Rc1 Qc3-+) 35...b3 36.Rc1 Qf8 37.Rc3 Qa8 38.Rb3?? (better 38.Rc1=) 38...Ra1-+ 39.Qb1 Rb1 40.Rb1 g5 41.h3 h5 42.Rb4 Qf3 Black prepares g4 43.h4 g4 44.Rf4 Qd1 45.Kg2 Kg7 46.Rd4 Qf3 47.Kg1 Kg6 48.Rf4 Qd1 49.Kg2 f5 50.Rd4 Qf3 51.Kg1 Kf6 52.Rf4 Qd1 53.Kg2 Ke5 54.Rb4 Qd5 55.Kg1 Kd6 (55...Qd2 56.Rd4 Qc1 57.Kg2-+) 56.Rf4?? (better 56.Rd4 Qd4 57.ed4=+) 56...Kc5 57.Kh2 Kd6 58.Kg1 Ke5 59.Kh2?? (59.Rb4 Qd2 60.Rd4 Qc1 61.Kg2 Qc6 62.Kf1 Qb5 63.Ke1 Qa5 64.Ke2 Qa6 65.Ke1 Qa1 66.Ke2 Qb2 67.Ke1 Qc1 68.Ke2 Qc2 69.Rd2 Qc4 70.Ke1-+) 59...Qd1 60.Kg2 Qe2 61.Kg1 Qe1 62.Kg2 Qd1 63.Rb4 Qc1 64.Rf4 Qb1 65.Rd4 Qa1 66.Rf4 Ke6 67.Rb4 Qc1 (67...Qa8 68.Kg1-+) 68.Rd4 (68.Rb6 Kf7-+) 68...Qb1 69.Rf4 Qa1 70.Rb4 Kd5 71.Rf4 Ke5 72.Rb4 Qc3 73.Rf4 Qd2 74.Kg1 Qe1 75.Kg2 Qd1 (better 75...Qa5-+) 76.Rb4= ½–½. Solari,Pablo (1675) – Rodriguez Lazo,Luis (1895), Cuartos CBR, 2018. (=1.Nf3 Nf6 2.b4 e5 3.Ne5 Bb4 4.Bb2 d6 5.Nf3 0-0 6.e3 Bf5)

7.a3 Ba5

8.Be2 c5 9.0-0 d5 10.c4 dc4 11.Bc4 Nbd7 12.d3 =.

8.Be2 Nc6 9.0-0 a6 10.d4 Na7 (10...Re8 11.d5 Ne5 12.Nc3+=) 11.c4= Bb6 (11...Ne4 12.Bd3=) 12.Nc3 (12.Bd3 Bd3 13.Qd3 Nc6+=) 12...d5 (12...Nc6 13.Bd3 Bd3 14.Qd3+=) 13.c5 (13.Nd2 h6+/–) 13...Ba5+= 14.Qa4 (14.Qb3 Nc6+=) 14...c6 (14...Bc3 15.Bc3 Ne4 16.Rfc1=) 15.Ne5 (15.Qb3 Nb5+=) 15...Nb5= 16.Nb5 (16.Qb3!?=) 16...ab5+= 17.Qd1 Ne4 18.Nf3 (18.Bg4 Bg4 19.Qg4 Qe7-/+) 18...Nc3 19.Bc3 Bc3 20.Ra2 Ba5 (20...b4 21.Qb3 Qa5 22.Nh4-/+) 21.Qb3 b6 (21...Re8 22.Bd3 Be6 23.h3+=) 22.Ne5 Bd7 (better is 22...bc5!? 23.Nc6 Qc7 24.Bb5 c4=) 23.cb6+/– Bb6 (23...f6 24.Nd7 Qd7 25.Rc2+/–) 24.a4 (24.Rc1 Rc8+/–) 24...Bc7 (better is 24...ba4 25.Ra4 Rb8+=) 25.Nd3 (better is 25.ab5 Be5 26.de5 cb5 27.Rb2+/–) 25...ba4+= 26.Ra4 Ra4 27.Qa4 c5 28.Qa1 (28.Qc2 c4 29.Nc5 Bc6+=) 28...c4 29.Nc5 Be6 (29...Bc6 30.e4+=) 30.Ne6 fe6 31.Qa6 Qd6 32.Qd6 Bd6 33.Rc1 Rc8 34.f3 Kf7 35.g3 Ba3 36.Rc2 c3 37.Bd3 Bb2 38.Kg2 h6 39.h4 Ra8 40.g4 Ra1 41.Be2 Rc1 42.Rc1 Bc1 43.Kf2?? Kf6 44.Bd3= e5 45.de5 Ke5 46.Ke2 d4 47.ed4 Kd4 48.Be4 Ke5 ½–½. phildo (1835) – sinapius (1775), gameknot.com, 2013.

8.Be2 Nc6 9.0-0 Qe7 10.d4 h6 11.Nbd2 Nd5 12.c4 Nc3 13.Qe1 Na4 14.Qc1 Nb2 15.Qb2 Bb6 16.Rfe1 a6 17.Nb3 Rab8 18.Rac1 Qf6 19.c5 dc5 20.Nc5 Rfd8 21.Red1 Bg6 22.Qc3 Bc5 23.Qc5 Be4 24.Nd2 Bd5 25.Bf3 Bf3 26.Nf3 Rd7 27.Ne5 Ne5 28.de5 Rd1 29.Rd1 Rd8 30.Rb1 Qf5 31.Rc1 Rd2 32.e4 Qg4 33.h3 Qe2 34.Rf1 Rd7 35.Qb4 c6 36.Re1 Qc2 37.Qb1 Qc3 38.e6 fe6 39.Re3 Qe5 40.g3 b5 41.Qb3 c5 42.Qc2 c4 43.Kg2 Rd3 44.Kf3 Re3 45.Ke3 Qc5 46.Ke2 Qa3 47.Qd2 Qd3 0–1. latmartinsh (1845) – phildo (1810), gameknot.com, 2012.

8.Be2 Nc6 9.0-0 Re8 10.Nc3 a6 11.d3 Qe7 12.e4 =.

8.Be2 Nbd7 9.0-0 c6 (9...c5 10.d4 Qb6 11.Ra2 Rfe8 12.c4=) 10.c4 (10.Nd4 Qb6 11.Ra2 Qc5 12.Nf5=) 10...Nc5 11.d3 Re8 12.Qc2 Qe7 13.h3 h6 14.Nc3 d5 15.cd5 cd5 16.Nd4 Bd7 17.Bf3 Bc3 18.Bc3+= Ba4 19.Qd2 Bd7 20.Rac1 b6 21.Be2 a5 22.Qb2 Qd6 23.Nf3 Na4 24.Be5 Nb2 25.Bd6 Bf5 26.Rb1 Nd3 27.Rb6 Nd7 28.Rc6 Be4 29.Rc7 Nb6 30.Nd4 Nc4= 31.Bd3 Bd3 32.Rd1 Nd6 33.Rd3+= Nc4 34.Nc6+/– Kh8 35.Rd5 Rec8 36.Rd8 Rd8 37.Nd8 Nd6? 38.Nf7+- Nf7 39.Rf7 Kg8 40.Rb7 Rc8 41.Ra7 Rc5 42.e4 g5 43.a4 h5 44.f3 h4 45.Kh2 Kf8 46.g4 Ke8 47.Kg2 Kd8 48.Kf2 Kc8 49.Ke3 Rc3 50.Ke2 Rc5 51.Kd3 (51.Kd3 Kd8 52.Rg7+-) 1–0. Schirmer,Michael – Reimer,D, corr FRG–ch I2370, 1985.

7.Be2 Nc6

8.0-0 a6 9.c4 h6 (9...d5 10.d4=) 10.d3 Re8 11.Nc3 Rb8 12.Rb1 (12.a3 Bc3 13.Bc3 Qe7=) 12...Bc5 13.Rc1 Nb4 14.a3 Nc6 15.Kh1 Ba7 16.Qa4 Bd7 17.Qc2 Bf5 18.Qd1 (18.Nd5 Ne5+=) 18...Ne5= 19.d4 Ng6 20.Nd5 (20.Bd3 Qd7=) 20...Ne4 (20...Nd5!? 21.cd5 Ne7=+) 21.Bd3= c6 22.Nc3 d5 23.cd5 cd5 24.Be4 Be4 (24...de4 25.Nd2=) 25.Ne4 de4 26.Nd2 f5 (26...Qg5 27.f3=) 27.Qh5 Kh7? (better 27...Ne7!?+=) 28.Qf5+- Qb6 (28...Qe7!?+-) 29.Nc4 Qb3 (29...Qe6 30.Qe6 Re6 31.d5+-) 30.Ba1 b5 (30...Rbd8 31.h4 b5 32.Ne5+-) 31.Ne5 Rb6 (31...Qe6 32.Qe4 Rb6 33.d5+-) 32.h4 (32.Ng6 Rf6 33.Nf8 Kg8 34.Qh7 Kf8+-) 32...Qe6 (32...Rf6 33.Qe4 h5 34.f4+-) 33.Qg6 (better 33.Qe4!? Kg8 34.Qg6 Qg6 35.Ng6 Rg6 36.Rfd1+-) 33...Qg6+/- 34.Ng6 Kg6 35.Rc7 (35.d5 Bb8+/-) 35...Bb8 36.Rc5 (36.h5 Kh7 37.Rc3 a5+=) 36...Bd6+= 37.h5 Kh7 38.Rf5 (better 38.Rc3!?+=) 38...Ba3=+ 39.d5 Re7 (39...Rb7 40.Re5 Re5 41.Be5=+) 40.Rd1 (40.f3 ef3 41.R1f3 Bc5=) 40...Rd6 (40...b4 41.Bd4 Rbb7 42.d6=+) 41.Be5 (41.f3 Rdd7=) 41...Rdd7 42.Bf4 (42.g4 Bd6 43.Bd6 Rd6=) 42...b4 (42...Bd6 43.Kh2=) 43.f3 (better 43.d6!? Re8 44.Ra5+=) 43...b3=+ 44.d6 (44.Kg1=+) 44...Re6 (44...ef3 45.gf3 b2-/+) 45.Ra5? (45.fe4 b2 46.e5=) 45...Bb4?? (better 45...Bd6 46.fe4 Bb4-+) 46.Ra6+= ef3 47.gf3 b2 48.Rb6 Bc3 49.Rb3 Bf6 50.e4 g5 51.hg6! Kg6 52.Kg2 h5 53.Bh2 Kg5?? (better 53...Ra7+/-) 54.Rb5 Kg6 55.Kf2 (better 55.e5 Bg7 56.Rb1+- (worse 56.Rb2 Be5 57.Re2 Bh2 58.Re6 Kf5+-)) 55...Re8? (better 55...Bc3+-) 56.Ke3 1-0. bjoernsen (2290) - idohistory (2225), Rated Blitz game, lichess.org, 2016.

8.0-0 Bc5 9.d3 (9.d4 Bb6=) 9...d5 10.Nbd2 (better is 10.Nc3=) 10...d4 (better is 10...Re8!?=) 11.Nb3+/– b6 (11...Bd6 12.Nfd4 Nd4 13.Nd4+/–) 12.ed4 (12.Nfd4 Bd4 13.Nd4 Nd4 14.Bd4 c5+/–) 12...Bd6 13.c4 Qe7 (13...Re8 14.d5 Nb8 15.Re1+/–) 14.d5 Ne5 15.Nbd4 (15.Re1 Rae8+/–) 15...Bg6 (15...Nf3 16.Bf3 (16.gf3? Qe5 17.f4 Qf4-+; 16.Nf3?! Rfe8 17.Re1 Bb4+=) 16...Qe5 17.g3+/–) 16.Ne5 (16.Nh4 Rfe8+/–) 16...Qe5+= 17.g3 (better is 17.f4!? Qe3 18.Kh1+=) 17...Bc5+= 18.Ne6? (better is 18.f4 Qe3 19.Kh1 Bd4 20.Bd4 Qd4 21.f5+=) 18...Qb2-+ 19.Nf8 Rf8 (better is 19...Kf8 20.Rb1 Qa2-+) 20.Qb3?? (better is 20.Rb1 Qd4 21.Rb3-+) 20...Qe2 21.Rad1 Bd4 22.Qa3 (22.Rc1 Bd3 23.Qd1 Qe4-+) 22...a5 (22...Ng4 23.Rd2 Qd2 24.h4 Bf2 25.Kh1 Bc5 26.Qb2 Qb2 27.Rf2 Qf2 28.d6 Qf3#) 23.Qb3 (23.Qc1 Bd3 24.Qd2 Qd2 25.Rd2 Bf1 26.Kf1 Bc5-+) 23...Bf5 (better is 23...Ng4 24.Rd2 Qd2 25.Qd1 Bf2 26.Kg2 Ne3 27.Kf3 Bh5 28.g4 Bg4 29.Kf4 Ng2 30.Kg4 f5 31.Kh3 Nf4) 24.Kg2 (24.Rc1 Bh3 25.Qd1 Re8-+) 24...Ng4 (24...Bg4 25.h3 Qf3 26.Kh2-+) 25.Rde1 Qd3 (25...Ne3 26.Kg1 Qd2 27.Re3 Be3 28.Qd1 Bf2 29.Kg2 Qd1 30.Rd1-+) 26.Qd3 Bd3 27.Rh1 (27.Rd1 Bf1 28.Rf1 Bc5-+) 27...Nf2 (27...Bc4 28.f3 Ne3 29.Re3 Be3 30.a3-+) 28.Rhg1 (28.Rhf1 Be4 29.Re4 Ne4-+) 28...Be4 (better is 28...Bc4 29.d6 cd6 30.a3-+) 29.Kf1 (29.Re4 Ne4 30.Re1 Nd6-+) 29...Re8 (better is 29...f5 30.Re2 Bd3-+) 30.Rg2 (30.g4-+) 30...Bg2 (30...Bd3 31.Re2 Be2 32.Kg1 Nh3 33.Kh1 Bf3 34.d6 Re1) 31.Kg2-+ Re1 0–1. Rodriguez Gonzalez,Luis M – Oramas Martinez,G, CTO DE TENERIFE Portuguese EQUIPOS FUND, 2016.

8.0-0 d5 9.Nc3=.

8.0-0 d5 9.d4 Be7 10.c4 dc4 11.Bc4 Nb4 (11...a6 12.Nc3 (12.Ng5 Na5 13.Bd3 Bd3 14.Qd3 b5 15.Qc2 Nc4=) 12...Bd6 13.Rc1 Qe7 14.Bd3 Bd3 15.Qd3 Rfe8=; 11...Rb8 12.Nc3 (12.Ba3 b5 13.Bd3 Bd3 14.Be7 Qe7 15.Qd3 Nb4=; 12.Re1 Nb4 13.Na3 b5 14.Be2 a6 15.Ne5 Bd6=+; 12.Qe2 Bd6 13.Nbd2 Re8 14.Rfc1 Na5 15.Bd3 Bd3=) 12...Be6 13.Be6 fe6 14.Qb3 Nd5 15.Rad1 Na5=; 11...Bd6 12.Nc3 (12.d5 Na5 13.Bd3 Bd3 14.Qd3 Nd5 15.Rd1 Nb4=+) 12...a6 13.Rc1 Qe7 14.Re1 Bg4 15.h3 Bh5=; 11...Qd7 12.Nbd2 (12.Nc3 Bd6 13.Nb5 Be6 14.Nd6 Qd6 15.Qa4 Bc4=) 12...Rad8 13.Re1 Ne4 14.Ne4 Be4 15.Nd2 Bg6=; 11...Ne4 12.Nc3 Bd6 13.Nb5 Qf6 14.Qe2 Bg4 15.Nd6 cd6=; 11...Bg4 12.a3 (12.Nbd2 Qd6 13.Qb1 Rad8 14.e4 Nd7 15.Rc1 Qg6+=; 12.Re1 Qd7 13.Nc3 Rad8 14.Rc1 Rfe8 15.Qb3 Bd6=; 12.Nc3 Qd6 13.Rc1 Rad8 14.Qc2 Bf3 15.gf3 a6=; 12.a4 Ne4 13.d5 Na5 14.Be2 Bf6 15.Bf6 Qf6=; 12.h3 Be6 13.Be6 fe6 14.Qb3 Qd7 15.Ba3 Rab8=) 12...Be6 13.Nbd2 Rb8 14.Qc2 Bc4 15.Nc4 Qd5+=; 11...Na5 12.Bd3 (12.Be2 Nd5 13.Nbd2 Nf6 14.Qa4 Nc6 15.Nb3 a6=) 12...Bd3 13.Qd3 Re8 14.e4 c6 15.Re1 Qb6=; 11...Qd6 12.Nc3 (12.Ba3 Nb4 13.Nc3 a5 14.Qb3 Be6 15.Ne5 Bc4=; 12.d5 Rfd8 13.Nc3 Na5 14.Be2 Qb4 15.Qd2 Nc4=+) 12...a6 13.Rc1 Be6 14.d5 Na5 15.Ne4 Ne4+=) 12.Nc3 (12.Nbd2 Rb8 13.Ne5 b5 14.Qf3 Qc8 15.Bb3 Bg4+=; 12.a3 Nbd5 13.Nc3 Nb6 14.Bd3 Bd3 15.Qd3 Rc8=) 12...c6 13.a3 (13.Ne5 Nd7 14.Nd7 Qd7 15.e4 Bg4=) 13...Nbd5 14.Bd3 (14.Ne5 Be6 15.Qb3 Re8=) 14...Bd3 15.Qd3 Nc3 (15...Bd6=) 16.Qc3 Ne4 17.Qc2 Ng5 (17...Qd5 18.Ne5=) 18.Ng5+= Bg5 19.f4 (19.Rfd1 Qd5+=) 19...Bf6= 20.Rad1 Qb6 21.e4 g6 (21...Rad8!? 22.e5 Be7=) 22.e5 Bg7 23.Kh1 Rad8 24.f5 Rd5 25.f6 Bh6 (25...Bh8 26.Rf3+=) 26.Rf3 (26.Bc1 Bf4 27.Rf4+-) 26...Rfd8= 27.Rb3 Qc7 28.Rbd3 c5 (28...Bf8 29.Bc1=) 29.Bc1 Bf8 30.Be3 c4 31.Rc3 (31.R1d2 b5 32.Rc3 Qa5=) 31...b5 (better is 31...Qe5 32.de5 Rd1 33.Bg1 Bc5=+) 32.Qf2 (better is 32.Rb1=) 32...Qe5!-/+ 33.g4 (33.de5 Rd1) 33...Qe4-+ 34.Qg2 Qg2 35.Kg2 Bc5! 36.Rb1 (36.dc5 Rd1) 36...Bd4 37.Bd4 Rd4 38.Rb5 Rg4 39.Kh3 Rgd4 40.Kg2 Rd2 41.Kf1 (41.Kg1 Rd1 42.Kg2 a6-+) 41...Rd1 (better is 41...Rh2!? 42.Ke1 Re8 43.Kf1-+) 42.Kf2 R8d2 (42...R1d6 43.Rc4 Rf6 44.Ke3-+) 43.Ke3 Rd3 44.Rd3 Rd3 45.Kf4 (45.Ke4 h5-+) 0–1. Nguyen Chi Binh – To Ngoc Minh, Huy, 1999.

8.a3 Ba5 9.0-0 Re8 10.d4 d5 11.c4 Be6 12.cd5 Bd5 13.Nc3 Ne4 14.Nd5+= Qd5 15.Qc2 Nd6 16.Bd3 h5 17.Rfd1 Ne7 18.Ne5 c6 19.e4 Qe6 20.f4 f5+= 21.ef5 Nef5 22.Qe2 Qh6 23.Rf1 Bb6 24.Bf5 Nf5 25.Qe4 Qf6=+ 26.Kh1 Rad8 27.Rad1 Nd6 28.Qf3= Qf5 29.d5 c5 30.Qc3 Nb5 31.Qc4 Nd6 ½–½. Kreuzer,U – Schmitt,R, 1981.

8.0-0 Re8

9.c4 Ne5 10.Nd4 (10.Qb3 c5 (10...Nc6= 11.d4 a5 12.a3 a4 13.Qd1 Ba5 14.Qa4+=) 11.d4 Ned7 12.a3 Ba5 13.Rd1 cd4 14.Bd4+=) 10...Bg6 (10...Bg4 11.Bg4 Nfg4 12.Qb3= a5 13.f4 Nd7 14.a3=; 10...Bd7 11.a3 Ba5 12.Nb3 Ba4 13.d4 Ng6 14.Qd3=; 10...Bc8 11.a3 Ba5 12.Nb3 c6 13.d4 Ng6 14.d5+=) 11.Qb3 (11.f4 Nd3 12.Qb3 Nb2 13.f5 Nc4 14.fg6+=) 11...Bc5 12.Nc2 (better is 12.f4 Bd4 13.Bd4= Nc6 14.Bf6+=) 12...Be4?? (12...a5!? 13.Nc3 (13.d4 Ned7 14.Bf3=) 13...Nd3=+ 14.Rfd1=) 13.d4 Bd4? 14.ed4+- Ng6 15.Nc3 Bg2 16.Kg2 Nf4 17.Kf3 Ne2? 18.Ne2 Qe7 19.Qd3 Qe6 20.Rg1 d5 21.Nf4 Qc6 22.Nb4 Qc4 23.Qc4 dc4 1–0. Kucharkowski,Jens – Teich, Freital, 1982.

9.d3 Ba5 10.c4 Bb6 11.Nc3 a6 12.Na4 Ba7 13.Nc3 d5 14.cd5 Nd5 15.Nd5 Qd5 16.e4 Qb5 17.Rb1 Be6 (17...Bc8!? 18.Bg7! Qa5+/-) 18.Bg7!+- Kg7 (18...Qa5 19.Bf6 Reb8 20.d4 Ba2 21.Qc1+-) 19.Rb5 ab5 20.d4 Ba2 21.d5 (better 21.Qd2 Bc4 22.Bc4 bc4 23.d5+-) 21...Ne7? (21...Nb4 22.Ng5 h6+-) 22.Bb5 c6 23.dc6 (better 23.Qa1 Kg8 24.Qa2 cb5+-) 23...Nc6 (23...bc6 24.Qa1 f6 25.Bc6 Nc6 26.Qa2 Nd4+-) 24.Bc6 bc6 25.Qa1 Kg8 26.Qa2 1-0. reza3136 (2160) - TuNena (2200), Rated Blitz game, lichess.org, 2016.

9.d4 Ne4 10.a3 (10.d5 Ne5 11.Nd4 Bd7 12.a3 Ba5 13.Nb3 Bb6 14.N1d2=) 10...Ba5 11.d5 Ne5 12.Ne5 (12.Nd4 Bd7 13.Nb3 Bb6 14.N1d2=) 12...de5 (worse is 12...Re5 13.Be5 de5 14.Bd3 Qd5 15.f3+/–) 13.f3 (13.Bd3 Qd5 14.f3+=) 13...Nf6 (13...Nd6 14.e4+=) 14.e4 Bg6 15.c4 Qd7 (15...Nd7 16.Kh1=) 16.Nd2 (16.c5 Qe7 17.Qc1 Nd7=) 16...c6 (16...Bb6 17.Kh1=) 17.Rc1 cd5 18.cd5 The passed pawn on d5 will quickly become a dangerous weapon. White gets the i 18...Bb6 19.Kh1 Be3 20.Rc2 Qe7 (20...Nd5!? 21.Nc4 Bf4=) 21.Nc4+/– Bf4 (21...Bc5!?+/–) 22.g3+- Bh6 23.Ne5 (23.Be5?! Ne4 24.fe4 b5+=) 23...Qd6 (23...Bh5 24.Qd4+-) 24.Ng6 hg6 25.e5 (better is 25.Qd4 Nd7 26.Rd1+-) 25...Qe7?? (better is 25...Re5 26.Be5 Qe5+-) 26.d6 Qd8 (26...Qe6 27.Bc4 (worse is 27.ef6 Rad8+-) 27...Qf5 28.ef6+-) 27.ef6 gf6 28.Bb5 (28.Rc7 Re6 29.Bc4 Rd6 30.Bf7 Kf8+-) 28...Re6 29.d7 Bg7 (29...Kg7 30.Bc4 Rc6 31.Qd5+-) 30.Re1 (better is 30.Qc1 Rc6 31.Bc6 bc6 32.Rd1+-) 30...Re7 (30...Kh7+-) 31.Rc8 (31.Re7 Qe7 32.Rc8 Qd8 33.Ra8 Qa8 34.d8Q Qd8 35.Qd8 Kh7 36.Qd7 a6 37.Qf7 Kh8 38.Bf6 Bf6 39.Bc4 b5 40.Qg8) 31...Rc8 (31...Re1 32.Qe1 Rc8 33.dc8R Qc8 34.Bd4+-) 32.dc8Q (better is 32.Re7 Rb8 33.Re8 Kh7 34.Qd5+-) 32...Re1 (32...Qc8?? 33.Re7 Bf8 34.Rd7+-) 33.Qe1 Qc8 34.Qe8 Qe8 35.Be8 Kf8 36.Ba4 Ke7 (36...f5 37.Bg7 Kg7 38.Kg2+-) 37.Kg2 Ke6 38.h4 Bh6 39.Bb3 Ke7 40.a4 b6 41.Bd4 (41.g4 Bf4+-) 41...Bd2 (41...f5 42.Bd5+-) 42.g4 Bf4 43.Kh3 Bd6 44.h5 Bf4 45.Bc2 gh5 (45...Be5 46.hg6 fg6 47.Be5 fe5 48.Bg6+-) 46.gh5 Bg5 (46...Be5 47.Be3+-) 47.Kg4 Ke6 48.Bb3 Ke7 49.f4 Bh6 50.Kf5 Bg7 51.a5 ba5 52.Ba7 Kf8 53.Bd4 Ke7 54.Ba4 Bh8 (54...Kf8 55.Bb6+-) 55.h6 (55.Bc5 Kd8+-) 55...Kf8 56.Bf6 Bf6 (56...Kg8 57.Bc2+-) 57.Kf6 Kg8 58.Bb3 Kh7 59.Bf7 Kh6 60.f5 a4 61.Ke7 a3 62.f6 Kh7 63.Ba2 Kh8 64.f7 1–0. Szeles,Andrea – Bokros,Csilla, Paks HUN–ch U10 Girls, 1997.

9.d4 d5

10.a3 Bd6 (10...Be7 11.c4 Qd6 12.Nc3 dc4 13.Bc4 a6 14.Qb3=) 11.c4 dc4 12.Bc4 a6 13.Nc3 Qd7 14.Rc1+=.

10.Ba3 Qe7 11.Bb4 Nb4 12.Na3 Ne4 13.Nb1 Qe6 14.Nh4+=.

10.c3 Bd6 (10...Be7 11.Ba3 a6 12.Be7 Qe7 13.Nbd2 Qe6 14.c4=) 11.Ba3 a6 12.Bd6 Qd6 13.Nbd2 Ne4 14.Ne4=.

10.c4 Rb8 11.a3 Be7 12.Nc3 a6 13.Rc1 dc4 14.Bc4=.

10.c4 dc4 11.Bc4 Na5 12.Bd3 Bd3 13.Qd3 Qd5 14.Rc1=.

10.c4 dc4 11.Bc4 Na5 12.Be2 (12.Bd3 Bd3 13.Qd3 Qd5=) 12...c6 (12...Bd6 13.Nc3=) 13.Nbd2 (13.Ba3 Bd6=) 13...Ne4 (13...Nd5 14.a3 Bd2 15.Nd2= (15.Qd2? Nb3 16.Qd1 Na1 17.Ba1 Qe7-+)) 14.Nb3 (14.Ne4 Be4 (worse 14...Re4 15.Bd3+-) 15.Qa4 Bd6=) 14...Bc3 (14...Qd5 15.Na5 Qa5 16.Qb3=) 15.Qc1 Bb2 (15...Nb3 16.ab3 Ba5 17.Rd1=) 16.Qb2 Nb3 17.ab3 Qb6 (17...Qf6 18.Bc4=) 18.Qa3 (18.Bd3 Qd8+=) 18...Be6 Attacks the isolani on b3. The isolani on b3 becomes a target (18...Bg4 19.Rfc1=) 19.Bc4 (19.Rfc1 Bg4= (19...Bb3? 20.Rab1+-)) 19...Bg4 (19...a6 20.Ne5=) 20.Ne5+= Be6 21.Rfd1 (21.Qc1 Bd5+=) 21...Bc4 (21...a6 22.f3 Nc3 23.Rd3=) 22.bc4 c5 (22...Qc7 23.Qb3+=) 23.Nd7 Qc6 (better 23...Qe6 24.Nc5 Qc4 25.Nb7+-) 24.Nc5 (worse 24.dc5 Rad8 25.f3 Rd7 26.Rd7 Qd7 27.fe4 a6=+) 24...Nc5 25.Qc5 Qc5 26.dc5 Re5? (26...Kf8 27.Rd7 Re7 28.Re7 Ke7 29.Rb1+=) 27.Rd5 (27.Ra7 Rc8 28.Rb7 Rec5+-) 27...Re7? (27...f6 28.Re5 fe5 29.Rb1+-) 28.h3 (better 28.Ra7! Ree8 29.Ra8 Ra8 30.Kf1+-) 28...a6 29.c6! bc6? (better 29...Kf8 30.cb7 Rb7+-) 30.Ra6!+- Rc8 (30...Ra6 31.Rd8 Mate attack) 31.Rc6!! Ree8 (31...Rc6 32.Rd8 Mate attack) 32.Rc8 Rc8 33.c5 Kf8 34.Kf1 Ke7 35.Ke2 Ke6 36.e4 f6 37.Kd3 g6 38.g4 Rc6 39.Kc4 Rc7 (39...Ra6 40.Kb5 Ra3 41.c6 Rh3 42.f4+-) 40.f4 Rd7 (40...Ke7+-) 41.Rd7 Kd7 42.Kd5 Kc7 43.Ke6 g5 44.fg5 fg5 45.Kf7 Kc6 46.e5 Kd5 47.e6 1–0. Emidio,Sergio (1845) – Pereira,Susana Martins, Lisbon Absoluto AXS op, 2006.

10.Nbd2 Qd7 (10...Qe7 11.a3 Bd2 12.Nd2 Rad8 13.c4 dc4 14.Bc4=; 10...Ne4 11.a3 Nd2 12.Nd2 Bd2 13.Qd2 Qg5 14.c4=; 10...Qc8 11.a3 Bd2 12.Nd2 Bg4 13.Bg4 Ng4 14.c4=; 10...a6 11.c4 dc4 12.Nc4 Nd5 13.Rc1 Rb8 14.Bd3=) 11.a3 Bd6 12.c4 a6 13.c5 Be7 14.Nh4=.

10.Bd3 Ne4 (10...Bd3 11.Qd3 Ne4 12.Ba3 Ba5 13.c4 dc4 14.Qc4=; 10...Be4 11.a3 Bd6 12.c4 dc4 13.Bc4 Na5 14.Bd3=; 10...Qc8 11.Ba3 Qe6 12.Bb4 Nb4 13.Bf5 Qf5 14.Nbd2=) 11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Qf6 14.Bf5+=.

6.e3 Bg4

7.a3 Ba5 8.Be2 c5 9.0-0 a6 10.d3 Nc6 11.Nbd2 b5 12.c4 Bd2 13.Nd2 Be2 14.Qe2 bc4 15.Nc4 d5 16.Nd2 Rb8 17.Rab1 d4 18.e4 Re8 19.Nc4 Ne5 20.Ne5 Re5 21.f4 Re6 22.Qc2 Rc6 23.Bd4 c4 24.Rb8 Qb8 25.Bf6 Rf6 26.Qc4 h6 27.e5 Rb6 28.d4 Rb1 29.d5 Qb6 30.Kh1 Rf1 31.Qf1 Qb3 32.d6 Kf8 33.h3 Qa3 34.Qb1 f6 35.Qb8 Kf7 36.Qc7 Ke6 37.d7 Qa1 38.Kh2 Qd4 39.d8Q Qf4 40.Kg1 Qe3 41.Kh1 Qe1 42.Kh2 Qe5 43.Qe5 Ke5 44.Qa5 Ke4 45.Qa6 f5 46.Qg6 1–0. phildo (1830) – rrs61, gameknot.com, 2013.

7.a3 Ba5 8.Be2 Nc6 9.0-0 Qe7 10.c4 Ne5 11.Ne5 Be2 12.Nc6 bc6 13.Qe2 Rab8 14.Bc3 Bc3 15.Nc3 Rb7 16.Qf3+= Qd7 17.Rab1 Rfb8 18.Rb7 Rb7 19.Rc1 Rb8 20.d4 d5 21.Qd1 Rb6 22.Qa4+/– Rb7 23.cd5+- Nd5 24.Ne4 (24.Ne4 Qe8 25.Nc5+/–) 1–0. Mario Cruz (1855) – Christobal (1605), internet, 2005.

7.a3 Bc5 8.Be2 Nc6 9.0-0 a6 10.d4 Bb6 11.c4 d5 12.c5 Ba7 13.Nbd2 Ne7 14.a4 c6 15.a5 Bb8 16.h3 Bf3 17.Nf3 Qc7 18.Bd3 Ne4 19.Be4?? de4-/+ 20.Ne5 f6 21.Qb3 Nd5 22.f4? fe5-+ 23.de5 Qe7 24.Bd4 Ba7 25.Rab1 Bc5 26.Bc5? Qc5 27.Qb7 Qe3 28.Kh1 Nf4 29.Rb2 Rac8 30.Rff2 Qe1 31.Kh2 Nd3 32.Rbe2 Qc3 33.Rf8 Rf8 34.Qd7 Qe5 35.Kg1 Qf4 36.Qe6-+ Kh8 37.Re4 Qf1 38.Kh2 Nf2 39.Rg4 Ng4 40.Qg4 Qf4 41.Qf4 Rf4 42.Kg3 Ra4 43.Kf3 Ra5 44.g4 g5 45.Kg3 Ra3 46.Kg2 Kg7 47.h4 Kg6 48.h5 Kf6 49.h6 Kg6 50.Kf2 Ra4 51.Kf3 Rg4! 52.Kg4 Kh6 53.Kf5 -+. MammaMia – bigpopae115, Live Game Caissa's Web, 2004.

7.a3 Bf3 8.Qf3+/– Ba5 9.Qh3 c5 10.Bd3 g6 11.0-0+= Nbd7 12.Nc3 Bc3 13.Bc3 Ne5 14.Be5 de5= 15.Be4?? Ne4-+ 16.f3 Nf6 17.d4 cd4 18.ed4 ed4 19.Qh4 Qb6 20.Kh1 Rac8 21.Rab1 Qa6 22.Rfe1 Rc2 23.Red1 d3 24.a4 Qa4 25.Qf6 d2 26.h3 Rc1 27.Rbc1 dc1Q 28.Rc1 Qa5 29.Rc4 Re8 30.Rf4 Qc7 31.Kh2 h6 32.Kg3 g5 33.Qh6 Qf4 34.Kf2 Qe3 35.Kg3 Qe5 36.Kf2 Qd4 37.Kg3-+ Qd6 38.Kf2 Qh6 39.Kg3 (39.Kg3 Qd6 40.Kf2 Qe5 41.Kg1 Qg3 42.h4 Re1#) 0–1. Nautiluschess – oellinas, ICS blitz, 2001.

7.c4 c6 8.h3 Bh5 9.Qb3 Qb6 10.Be2 Nbd7= 11.0-0 a5 12.Qc2 Bg6 13.Qc1 a4 14.a3 Nc5 15.Bd4 Ba5= 16.Nc3 Nb3 17.Bb6 Nc1 18.Rac1 Bb6 19.d3 Bc7 20.Rb1+= Rfb8 21.Rb2 Nd7 22.Nh4+/– Nc5 23.Ng6 hg6 24.Rfb1 Ba5 25.Na2 Nb3+= 26.Rd1 b5 27.d4 b4=+ 28.ab4 Bb4 29.Bf3 Ba3=+ 30.Rbb1 Na5 31.Nc3+/– Rb1 32.Rb1 Nc4 33.Bc6+- Rc8 34.Nd5 Kf8 35.Ba4 f6 36.Rb7 Na5 37.Ra7 Nc4 38.Bd7 Rb8 39.Be6 (39.Be6 Re8 40.Rf7 Kg8 41.Ne7 Kh7 42.Bc4+-) 1–0. salmo (1790) – Christobal (1640), internet, 2005.

7.Be2 c5 8.0-0 Nc6 9.c4 Be6 10.Qc2 d5 11.cd5 Nd5 12.a3 Ba5 13.Qc5 Bb6 14.Qb5 Qd6 15.Nc3 Bc7 16.Ne4+/– Qe7 17.Neg5 Qd6 18.Rfc1 Bg4 19.Qb7 Na5 20.Qa6 (20.Qa6 Qa6 21.Ba6+-) 1–0. pierre – Christobal, ChessHere.com, 2006.

7.Be2 c5 8.0-0 Bd7 9.c4 h6 10.a3 Ba5 11.Nc3 Bc6 12.d4 cd4 13.Nd4 Bc3 14.Bc3 Ne4 15.Bb2 Bd7 16.Nb5 Bb5 17.cb5 a6 18.Qd4 Qf6 19.Qe4+- Qb2 20.Bd3 ab5?? 21.Qh7# 1–0. pierre (1875) – super knight, internet, 2006.

7.Be2 d5 8.0-0 =.

7.Be2 Ne4 8.0-0 Nc6 9.c3 Ba5 10.d3 Nf6 11.h3 Bf3 12.Bf3+= Qd7 (12...Ne5 13.Be2+= (13.Bb7? Rb8-+)) 13.Nd2 Bb6 (13...Ne5 14.Be2+= (14.Bb7? Rab8-/+)) 14.Qc2 (14.c4 Qe6+-) 14...Ne5 (14...Qf5!?+-) 15.Bb7+- Rab8 16.Ba6 Qf5 (16...Ng6 17.Nf3+-) 17.Rab1 c5 (17...Ng6 18.Nf3+-) 18.f4+- Ng6 (18...Nc6 19.Qa4 Ne7 20.e4+-) 19.c4 d5 (19...Bd8 20.Bb5+-) 20.cd5 Nd5? (20...c4 21.Nc4 Nd5 22.Nb6 Rb6+-) 21.e4 Ne3 22.ef5 Nc2 23.fg6 hg6 24.Bc4 Ne3 25.Rfe1 Nf5 (25...Ba5 26.Re3 Bd2 27.Re7+-) 26.Be5 Rbd8 (26...Rb7 27.Ne4+-) 27.Nf3 Kh7 (27...Ba5 28.g4 Nd4 29.Bd4 Be1 30.Bc5+-) 28.Ng5 Kg8 29.g4 Nh4 (29...Nd4 30.Nf7 Nf3 31.Kf2 Ne5 32.Ne5 Kh7 33.Kg3+-) 30.Kf2 Rd3 (30...Ba5 31.Re2 Rd7+-) 31.Bd3 c4 32.Rb6! cd3 (32...ab6 33.Bc4 Combination) 33.Rb8 f6 (33...Nf5 34.gf5 gf5 35.Rf8 Kf8 36.Bd6 Kg8 37.Re8) 34.Rf8 Kf8 35.Bd6 Kg8 36.Re8 1–0. Pierre – Mirrimond, internet, 2020.

7.Be2 Ne4 8.0-0 Nd7!?=.

7.Be2 Ne4 8.0-0 Bf3 9.Bf3+/– Ng5?? (better is 9...d5+/–) 10.Bb7+- Nd7 (10...Na6 11.Ba6 Rb8 12.Qg4+-) 11.Ba8 Qa8 12.Qg4 Qd8 13.Qb4 c5 14.Qa4 Re8 15.Qa7 Qe7 16.Nc3 (16.Nc3 Rb8 17.Rfb1+-) 1–0. MrkT – stenersk, internet, 2005.

7.Be2 Re8 8.h3 Bf3 9.Bf3 d5 10.0-0 c6 11.d3 Qd6 12.c3 Ba5 13.Ba3 Qe5 14.d4 Qc7 15.Qc2 Ne4 16.Be4 Re4 17.c4 dc4?? 18.Nc3 Bc3?? 19.Qc3?? b5-/+ 20.f3 Rh4 21.Qb4 Na6 22.Qe1 Rb8?? 23.e4 Qd8 24.Qf2 Qg5 25.Bd6 Rd8?? 26.f4+/– Qh6 27.Be7 Rh3 28.gh3 Re8 29.Bh4 Re4 30.Kh2 Nb4 31.Bg5 Qh5 32.Rae1+- f5 33.Re4 fe4 34.Qg2 e3 35.Rf3 Nd5 36.Bf6?? Nf6-/+ 37.Re3 a5 38.Rg3 g6 0–1. lokia – pauloenter, net–chess.com, 2006.

7.Be2 Bf3 8.Bf3 c6 9.0-0 d5 10.d4 h6 11.c3 Bd6 12.Nd2 Nh7 13.c4+= Qh4 14.g3+/– Qg5 15.Qb3 b6 16.cd5+- cd5 17.Bd5 Nd7 18.Ba8 Ra8 19.Ne4 (19.Ne4 Qe7 20.Qd5+-) 1–0. Bonetti,Shane – mastermark (1700), ICC, 2002.

7.Be2 Bf3 8.Bf3 Nc6 9.Bc6 bc6 10.Qf3 Nd5 11.e4 Qe7 12.0-0 +=.

7.Be2 Bf3 8.Bf3+= d5 9.0-0 Nc6 10.d4 a5 11.a3 Bd6 12.Nc3 Ne7 13.Nb5 c6= 14.Nd6 Qd6 15.a4 b5 16.c3 Rfb8 17.Ba3 b4 18.Bb2 Ne4 19.Be4 de4 20.c4 b3 21.Ra3 Qb4 22.Qe2 c5 23.d5 f6 24.Rc1 Rb6 25.Rc3+= Nf5 26.Qd1 Qc3?? 27.Bc3+- Rab8 28.Qb1 b2 29.Ra2 Nd6 30.Rb2 Nc4 31.Rb5 Na3 32.Rb6 Nb1 33.Rb8 (33.Rb8 Kf7 34.Rb1+-) 1–0. mtr – fallenangel, Caissa's Web, 2001.

7.Be2 Bf3 8.Bf3 d5 9.c4 c6 10.cd5 cd5 11.0-0 Nbd7 12.Qb3 +=.

7.Be2 h6 8.0-0 Nc6 9.a3 Ba5 10.d4 Re8 11.h3 Bh5 12.Nh4 Be2=+ 13.Qe2 Ne4 14.Nf5 Ne7 15.Nh6? gh6-+ 16.Qh5 Kg7?? 17.Qa5+/– b6 18.Qh5 Ng6 19.f4?? Ng3=+ 20.Qf3 Nf1 21.Kf1 Kg8 0–1. malaysianisme – minn (2000), net–chess.com, 2004.

7.h3 Be6 8.a3 Ba5 9.Be2 =.

7.h3 Be6 8.Be2 a6 9.c4 c5 10.Qc2 Nc6 11.a3 Ba5 12.Ng5 g6 13.Ne6 fe6 14.0-0 Rc8 15.Nc3 Qd7 16.Rab1 d5 (16...Bc3!? 17.Bc3 Rc7+/–) 17.cd5+/– ed5 18.Na4 c4 19.Bf6 Rf6 20.Bg4 Qc7 21.Bc8 Qc8 22.Nc3 d4?? (better is 22...Rd6+-) 23.Nd5 (23.Nd5 Rf7 24.Qc4+-) 1–0. forsetinn (2030) – vaha (1720), gameknot.com, 2013.

7.h3 Bf3 8.Qf3 Nc6 9.a3 Ba5 10.Bf6 Qf6 11.Qf6 1–0. phildo (1865) – genoveva, gameknot.com, 2013.

7.h3 Bh5 8.Bc4 Nbd7 9.0-0 a6 10.d4 c5 11.dc5 Bc5 12.Nbd2 d5 13.Bb3 Qe7 14.Qe2 Rfe8 15.Rac1 d4-/+ 16.e4 Ne4 17.Ne4 Qe4 18.Qe4 Re4 19.g4 Bg6 20.Rcd1 h5 21.Bd5 Rf4 22.Bc1= Rf6 23.Nd4 hg4 24.hg4 Rb6 25.Bb3 Bd4 26.Rd4= Nc5 27.f4 Nb3= 28.cb3 Bb1 29.Rf2 Rc8 30.Be3 Re6=+ 31.Rb2 Ba2?? 32.Ra2?? Re3-/+ 33.Rb4 Rc7 34.Kf2 Re6 35.Re2 Rd6 36.Kf3 Rc3 37.Re3 Re3 38.Ke3 b5 39.Rd4 Rc6 40.b4 Kf8 41.Ke4 Ke7 42.f5 Rd6 43.Rd6 Kd6-+ 44.g5 f6 45.gf6 gf6 46.Kd4 Kc6 47.Ke4 Kb6 48.Kd3 a5 49.ba5 Ka5 50.Kc3 Ka4 0–1. katchum (2390) – sbwiik (2410), net–chess.com, 2004.

7.Be2 c6

8.0-0 Qb6 9.Bf6+= gf6 10.Nd4 Be2 11.Qe2 Qc5 12.c3 Ba5 13.Nb3 Qg5 14.f4 Qc5 (14...Qf5 15.g4 Qd7 16.Na5 b6+-) 1–0. marekt – Kevin@home, ChessWorld.net, 2005.

8.0-0 d5 9.h3 Bf3 10.Bf3 =.

8.0-0 Nbd7 9.c3 Ba5 10.h3 Bh5 11.d3 Ne5 12.Ne5+= Be2 13.Nc6 Bd1 14.Nd8 Be2 15.Re1 Bd3 16.Nb7 Rab8 17.Na5 Rb2 18.Na3 Ne4 19.N5c4= Bc4 20.Nc4 Rc2 21.Red1 Nc3 22.Rd6+= Ne4 23.Rd4 Nc3 24.Rd2 ½–½. Wessel,Volkmar – Birkholz,Frank, Schleswig Holstein–chG, 1990.

8.0-0 Nbd7 9.c4 Re8 10.Qb3 Qb6 11.d4 c5 12.Qc2 Qc7 13.Bd3 Bf3=+ 14.gf3 cd4 15.ed4 d5-/+ 16.Bc1 Bd6 17.c5 Bh2-+ 18.Kg2 Bf4 19.Rh1 g6 20.Nc3-/+ Bc1 21.Qc1 a6 22.Qh6 Nf8 23.Rag1 Qe7 24.Ne2 Rad8 25.Ng3 Ne6 26.Nf5=+ Qf8 27.Qh4 Nh5 28.Kf1 Nef4 29.Bb1 Re6 30.Nh6 Kh8?? 31.Qd8!+/– Qd8?? 32.Nf7+- Kg7 33.Nd8 Re7 34.Rg4 Kf6 35.Rhh4 g5 36.Rf4 Nf4 37.Rh7 Rh7 38.Bh7 Ke7 39.Nb7 Ke6 40.Nd6 Nd3 (40...Ke7+-) 1–0. Kaszynski,B – Pofelski,A, Ustrzyki Dolne op, 1996.

8.a3 Ba5 =.

8.Nc3 =.

7.Be2 Nc6

8.0-0 a5 9.a3 Bc5=.

8.0-0 a5 9.d3 Re8 10.d4 d5=+ 11.Nbd2 Ne7 (11...Ne4 12.Ne4 de4 13.Nd2 Be2 14.Qe2=+) 12.c4 dc4 (12...Bd2 13.Nd2 Be2 14.Qe2=) 13.Nc4 Ng6 14.Nce5 Bf3 (14...Ne5 15.Ne5 Be2 16.Qe2=) 15.Nf3 (15.Bf3 c6+=) 15...Qe7 16.a3 Bd6 17.Qb3 b6 (17...c6 18.Bd3=) 18.Bb5+= Rf8 (18...Qe6 19.d5 Nd5 20.Be8 Re8 21.Rfd1+/-) 19.Bc6+/- Rad8 20.Rac1 Ng4 21.h3 Nf6 22.Rfe1 Ne4 23.Qd3 f5 24.Nd2 (24.Qb3 Kh8 25.Red1+/-) 24...Qf6?? (better 24...Nd2 25.Qd2 Ba3 26.Ba3 Qa3=) 25.Be4 (25.Ne4 fe4 26.Qc2 Ne7 27.Be4 Qh4+-) 25...fe4+/- 26.Ne4 Qh4 27.Nd6 (27.Qc4 Kh8 28.f3 Qh5+/-) 27...Rd6 (27...Qf2 28.Kh2 cd6+= (28...Qb2? 29.Qc4 Kh8 30.Nf7 Rf7 31.Qf7+-)) 28.Rf1 (28.Re2 Rf7+/-) 28...Qg5 (better 28...Rf7+/-) 29.e4?? (29.Rc7 Nh4 30.g3 Nf3 31.Kg2 Rdf6+/-) 29...Rdf6?? (better 29...Qg2! 30.Kg2 Nf4 31.Kh2 Nd3-/+) 30.Rc7+/- Nf4 31.Qf3 Rg6 32.d5?? (32.Qb3 Kh8 33.g4=) 32...Ng2 (32...Ne2 33.Kh1 Rf3 34.Rc8 Kf7 35.Rc7 Ke8 36.Rc8 Kd7 37.Rc7 Kc7 38.Be5 Qe5 39.d6 Kd8 40.Rc1 Rh3 41.gh3 Qe4 42.f3 Qf3 43.Kh2 Qg2) 33.Rg7?? (better 33.Qg3 Ne3 34.Rfc1=) 33...Rg7-+ 34.Bg7 (34.Qg3 Ne3! 35.Bg7 Qg3 36.fg3 Rf1 37.Kh2 Kg7 38.g4-+) 34…Rf3 (34...Rf3 35.Bf6 Rf6 36.f4 Nf4 37.Kf2 Nd5 38.Ke2 Qe3 39.Kd1 Rf1 40.Kc2 Qc3) 0-1. reza3136 (2150) - AlexChepikov (2255), Rated Blitz game, lichess.org, 2016.

8.0-0 a5 9.d4 a4 (9...d5 10.a3 Bd6 11.Nbd2=) 10.a3 Ba5 11.h3 (11.c4 Qe8=) 11...Bh5 (11...Bf5 12.Bb5=) 12.Nfd2 (12.c4!?+=) 12...Be2=+ 13.Qe2 d5 14.c4 dc4 15.Qc4 Qd5 16.Rc1 Rad8 17.Qa4+= Ne4? 18.Ne4+- Qe4 19.Bc3 Bb6 20.Bb4 Ra8 21.Qb3 Nb4 22.Qb4 Ba5 23.Qb3 Ra6 24.Nc3 Bc3 25.Qc3 Rg6+= 26.g3 c6 27.a4 Re8 28.Qc2 Qf3 29.Qd1 Rg3!! 30.fg3 Qg3 31.Kh1 Qh3 32.Kg1 Re3 33.Qf1 Rg3 34.Kf2 Rf3 (34...Rf3 35.Ke2 Rf1 36.Rf1 f5-+; better is 34...Qg4!? 35.Rc2-+) 0–1. Tanuki – Christobal, internet, 2005.

8.0-0 Ba5 9.c4 Bb6 10.Nc3 Nb4 11.a3 Bf3 (11...Nc6 12.h3 Bf5 13.Nd5 Nd5 14.cd5=) 12.gf3 (12.ab4 Be2 13.Qe2 c5+=) 12...Nc6= 13.d4 a5 14.Kh1 Ne7 15.Rg1 Ng6 16.f4 Qe7 17.Qf1 Ne4 18.Qg2 f5 19.Ne4 (19.Bh5+=) 19...Qe4? (better 19...fe4!? 20.d5 Qh4+=) 20.Bf3+/- Qc2 21.Rab1 Rae8 (21...Kh8 22.h4 Rf7 23.Bb7+-) 22.Bb7 (22.h4 Rf7 23.Bd5 Kf8 24.Bf7 Kf7+-) 22...Re7 (22...Rb8 23.Rgc1 Qe2 24.Bd5 Kh8 25.Bc3+-) 23.Rgc1 Qe2 24.Bf3 Qd3 25.Qf1 Qf1 26.Rf1 Nh4 (26...c5 27.Bd5 Kh8 28.Bc3 cd4 29.Rb6 dc3 30.Rd6+-) 27.Bg2 (better 27.Bd5 Kh8 28.Bc3+-) 27...Ng2+/- 28.Kg2 Re6 (28...c5 29.Ba1 Ba7 30.Rb5 cd4 31.ed4+-) 29.Bc3+- Rg6 30.Kf3 (30.Kh1 Rc8+-) 30...Rh6 31.Rh1 Rff6 (better 31...a4+-) 32.Rb5 Rh3 33.Kg2 Rh5 (33...Rhh6 34.Ba5 Ba5 35.Ra5 Rfg6 36.Kf1+-) 34.c5 (worse 34.Ba5 Ba5 35.Ra5 Rg6 36.Kf3 Re6+-) 34...dc5 35.dc5 Ba7 (35...Rg6 36.Kf1 a4+-) 36.Bf6 gf6 37.Ra5 Bc5 38.Rc5 1-0. david50457 (2170) - amir213 (2100), Rated Classical game, lichess.org, 2016.

8.0-0 a6 9.Nd4 Be2 10.Qe2 Nd4 11.Bd4 Re8 (11...d5 12.Qf3=) 12.Nc3 (12.Qf3=) 12...c5 (better is 12...Bc3!? 13.Bc3 c5=) 13.Bf6+/– Qf6 14.Nd5 Qe6 (14...Qd8!?+/–) 15.Nc7+- (15.Nb4?! cb4 16.Rfb1 Rec8=) 15...Qd7 (15...Qe4 16.a3 Ba5 17.Na8 Ra8 18.c4+-) 16.Na8 Ra8 17.c3 Ba5 18.e4 Re8 19.Rfe1 (19.Qd3 Qe7+-) 19...Bc7 (19...d5 20.Qd3 d4 21.Rab1+-) 20.Qd3 Bb8 (20...Qc6 21.Qd5+-) 21.Rab1 Qc7 (21...b5 22.a4! c4 23.Qd5+-) 22.a4 (22.Qd5 Re7+-) 22...d5 (22...Re5 23.c4+-) 23.g3 h5 (23...de4 24.Re4 Rf8 25.Qc4+-) 24.ed5 (24.Qd5 b6+-) 24...Re1 (24...Rd8 25.Qc4 g6 26.Qb3+-) 25.Re1 g6 26.Re8 Kg7 27.c4 h4 (27...Qd6 28.Qc3 f6 29.Qb2+-) 28.Qc3 (28.Qc3 f6 29.Qe3+-) 1–0. Janek – ijmagen, internet, 2017.

8.0-0 Bc5 9.d3 Re8 (9...d5 10.Nbd2=) 10.Nbd2 Qe7 11.Nb3 Bb6 12.Nfd4 Be2 13.Ne2 a5 14.Rb1 a4 15.Nbd4 Ne5 16.Nf5 (16.Nf4 a3 17.Bc3 Qd7=) 16...Qe6 17.Ned4 (17.Nfd4 Qd7= (17...Qa2?? 18.Nc3 Qb1 19.Nb1+-)) 17...Bd4 (17...Qa2 18.Ba1 a3=+) 18.Nd4= Qa2 19.Nf5?? (better 19.c4!?+=) 19...b6 Black prepares the advance a3 (19...a3 20.Be5 Re5-/+) 20.h3? (better 20.c4 Qb3 21.Qb3 ab3 22.Be5 de5 23.Rb3=+) 20...a3-+ 21.Bc3 Qe6 22.Nd4 Qd7 23.f4 (23.e4 d5 24.f4 Nc6-+) 23...Nc6 (23...Nd5 24.Qd2 Nc6 25.Nc6-+) 24.Nc6 (24.e4 a2 25.Ra1 Nd4 26.Bd4 d5-+) 24...Qc6 (24...Nd5!? 25.Bd4 Qc6 26.Qg4-+) 25.Bf6 gf6 26.Qg4 (26.Qd2 d5-+) 26...Kh8 (26...Kf8 27.Qf5 a2 28.Ra1 Qc2 29.Rfc1-+) 27.Qf5 d5 28.Rb3 (28.Rfe1-+) 28...a2 29.Ra1 Re3 30.Rb2 (30.Kf1 d4 31.Rb2 Ra5 32.Qc8 Re8 33.Rb6 Rc8 34.Rc6 Rb8-+) 30...Qc3 31.Rba2 Ra2 (better 31...Re1 32.Re1 Qe1 (32...Ra2 33.Re8 Kg7 34.Qg4 Kh6 35.Rg8 Qd4 36.Kh2 Qg1 37.Kg1 Ra1 38.Kf2 Rf1 39.Kf1 d4 40.Qh4) 33.Kh2 Ra2 34.Qf6 Kg8 35.Qd8 Kg7 36.Qg5 Kf8 37.Qd8 Qe8 38.Qc7 Qe6-+) 32.Ra2?? (better 32.Qc8 Kg7 33.Qg4 Kf8 34.Ra2=+) 32...Qe1 33.Kh2 Qg3 (33...Qg3 34.Kg1 Re1) 0-1. NoLuckOnlySkill (2180) - rezadianati (2120), Rated Classical game, lichess.org, 2016.

8.0-0 d5 9.a3 Bd6 10.Nc3 =.

8.0-0 Qd7 9.c4 Rfe8 (9...Qe7 10.a3 Ba5 11.Nd4=) 10.h3 (10.Bf6 gf6 11.d4 d5+=) 10...Bh5 (10...Bf3 11.Bf3 Ne4 12.a3+=) 11.Bf6+= gf6 12.a3 Ba5 13.Qb3 Bb6 (13...Rab8 14.d4 f5 15.Qa4+/–) 14.Nc3+/– Ne5 (better is 14...Kg7+/–) 15.Ne5+- Re5 16.g4 Bg6 (16...Rg5 17.Ne4 Rg6 18.Ng3 Bg4 19.hg4+-) 17.f4 Ree8 (17...Ra5 18.f5 Bf5 19.gf5 Rf5 20.Bg4+-) 18.f5 Bf5 (18...Kg7 19.Nd5 c6 20.Nb6 (20.fg6?! cd5 21.cd5 fg6+-) 20...ab6 21.Qb6+-) 19.Nd5 (19.gf5?! c6+-) 19...Qd8 (19...Kg7 20.Rf5 Re5 21.Raf1+-) 20.Rf5 (worse is 20.gf5 c6 21.Nb6 ab6+-) 20...Re6 (20...Re5 21.Nf6 Kf8 22.Qd3 Rf5 23.Qf5+- (23.gf5?! Qf6 24.Rb1 Ke7=)) 21.Raf1 Kg7 (21...Kh8 22.Nf6 Kg7 23.Qb2+-) 22.Nf6 1–0. Janek – Vassileos, internet free game, 2017.

8.0-0 Ne4 9.c3 Ba5 10.d3 Nf6 11.h3 Bh5 12.Nbd2 Bb6 13.d4 a6 14.c4 Ne7 15.a4 c6 16.Ng5 Be2 17.Qe2 h6 18.Nge4 Ne4 19.Ne4 d5 20.Nd2 dc4 21.Nc4 Bc7 22.Ba3 b5 23.ab5 cb5 24.Nd2 Rb8 25.Bc5 Nf5 26.Ra6 Re8 27.Nf3 b4 28.Rb1 b3 29.Nd2 b2 30.Ba3 Nd4 31.Qg4 Ne6 32.Nc4 Qf6 33.Bb2 Qe7 34.Rd1 Ng5 35.h4 Ne6 36.Be5 Be5 37.Ne5 Qb7 38.Raa1 Nf8 39.Nd7 Nd7 40.Rd7 Qc8 41.Rad1 Qc2 42.Qf4 Rf8 43.R1d2 Qb1 44.Kh2 Qg6 45.R2d6 Qh5 46.Rd5 g5 47.Qg3 Rb4 48.Rd4 Rd4 49.Rd4 Kh7 50.Qg4 Qg6 51.h5 Qg7 52.Qf5 Kg8 53.Rd6 f6 54.Rd7 Rf7 55.Rd8 Rf8 56.Rf8 Qf8 57.Qg6 Qg7 58.Qg7 Kg7 59.g4 Kf7 60.Kg3 Ke6 61.f4 gf4 62.Kf4 Kf7 63.Kf5 Kg7 64.Ke6 Kh7 65.Kf6 Kh8 66.Kg6 Kg8 67.e4 Kf8 68.Kh6 Kf7 69.g5 Kg8 70.Kg6 Kh8 71.Kf7 Kh7 72.e5 Kh8 73.e6 Kh7 74.e7 Kh8 75.e8Q Kh7 76.Qg8 1–0. phildo (1880) – ibrahimhalim (1625), gameknot.com, 2014.

8.0-0 Ne5 9.Ne5 Be2 10.Qe2 de5 11.Be5 Qe7 12.Bb2 Rad8 13.d4 Ne4 14.Rd1 f5 15.f3 Nf6 16.Nd2 f4 17.e4 Nd5 (17...Rfe8!?+/–) 18.Qc4 Kh8 19.ed5 Qe3 20.Kh1 Bd2 21.Qb3 Rfe8 22.h3 (worse is 22.Qb7 Rb8 23.Qc7 Rb2+=) 22...Qf2 23.Qb7 Re2 (23...Re2 24.Rg1 Be3 25.Qc7 Rg8=) 0–1. Kappel,Ray – Best,Herb (1700), 2011–ServTourn Final, 2011.

8.0-0 Qe7 9.d3 d5 10.h3 Be6 11.Nc3=+.

8.0-0 Qe7 9.d3 Rad8 10.Nbd2 (10.a3 Ba5=) 10...d5 11.a3 Ba5 12.Nb3 Bb6 13.Ng5 Bf5 14.Nf3 Rfe8 15.a4 Ng4 16.h3? Ne3!-+ 17.Qd2? Nf1 18.Bf1 a6 19.Qf4 Bg6 20.h4 Qd6 21.Qg4 h5 22.Qg5 Kh7 23.Qd2 d4 24.Qd1 f6 25.Ba3 Qd5 26.g3 Re6 27.Bg2 Qd7 28.Bh3 Re1 29.Ne1 Qh3 30.Ng2 Qf5 31.Nd2 Ne5 32.Rb1 Be8 33.Nf4 Kh6 34.Ne4 g5?? 35.hg5 fg5= 36.Be7 gf4 37.Bd8 fg3 38.fg3 Bd7?? 39.Qc1?? Kh7 40.Nf6+= Kg6 41.Nd7 Qd7?? 42.Qg5+- Kf7 43.Qh5 Ke6+/– 44.Re1 Qg7 45.Kg2 Kd5 46.Bg5 Qf7?? 47.Qf7 Nf7+- 48.Bf4 c6?? 49.Re7 Nd6 50.Rd7 (50.Rd7 Bc5 51.Bd6 Bd6 52.Rb7+-; 50.Re5) 1–0. Krzewski,Dariusz – Szyndler,Stanislaw, ch Olsztyn Poland, 1994.

8.0-0 Qe7 9.d3 Rfe8 10.Nbd2 Ne5 11.a3 Ba5? (11...Bd2 12.Nd2 Be2 13.Qe2=) 12.Rb1 (better 12.Ne5!? Be2 13.Qe2 de5 14.Nc4+/-) 12...Bd2+= 13.Nd2 Be2 14.Qe2 b6 15.Nf3 Neg4 16.h3 Nh6 17.Nd4 c5 18.Nb5 d5 19.Qf3 (better 19.Bf6 Qf6 20.Nc7+-) 19...a6?? (19...d4 20.ed4 Qd7+/-) 20.Nc3?? (better 20.Bf6 Qf6 21.Qf6 gf6 22.Nc7+-) 20...Rad8 21.Nd1 d4 22.Ba1 b5 23.a4 Qd7 24.ab5 ab5 25.Nb2 (better 25.g4!? Re5 26.ed4 cd4 27.Qf4=) 25...Nf5-/+ 26.e4 Nd6 27.Qg3 Qe6 28.f4 Nd7 29.f5 Qe5 30.Qe5 Ne5 31.Nd1 Rb8 32.Nf2 f6 33.Ng4 h5 34.Ne5 Re5 35.c3 dc3 36.Bc3 Ree8 37.Rfe1 b4 38.Bb2 Nb5 39.d4? (better 39.e5=) 39...cd4-+ 40.Rbd1 Red8 41.Rd3 Nc3 42.Red1?? (42.e5 fe5 43.Re5 Kf7-+) 42...Ne4 (better 42...Nd1 43.Rd1 Ra8-+) 43.Bd4 b3 44.Rb3?? (better 44.Bb2 Rd3 45.Rd3-+) 44...Rb3 45.Rf1 Rb1! 46.Bf2 (46.Rb1 Rd4 Combination) 46...Rf1 (better 46...Rdd1 47.Rd1 Rd1 48.Kh2 Nf2 49.g3-+) 47.Kf1 Nd2 (better 47...Nf2 48.Kf2 Rd5 49.Ke3-+) 48.Ke2 Nf3! 49.Kf3 (49.Kf3 Kf7 Combination; 49.gf3 Rd5 Combination) 49...Re8 50.Kg3 Re5 51.Kh2? (better 51.Kf4-+) 51...Rf5 52.Bg3 Rg5 53.Bh4 (53.Bh4 Rb5 54.Bf2-+). NoLuckOnlySkill (2195) - ramg (2270), Rated Blitz game, lichess.org, 2016.

8.0-0 Qe7 9.Nd4 Nd4 10.Bd4 Be6=.

8.a3 Ba5 9.0-0 Re8 10.c4 Qe7 11.d4 a6 12.Nbd2 Rad8 13.d5 Ne5 14.Nb3 Bb6 15.Ne5 Be2 16.Qe2 de5 17.a4 c6 18.a5 Ba7 19.Ba3 Qd7 20.e4 cd5 21.cd5 Rc8 22.Bb4 h6 23.h3 Rc7 24.Kh2 Rec8 25.Rfc1 Rc1 26.Nc1 Bd4 27.Nd3 0–1. Gerold,Guenter (2080) – Koenig,Frank (2000), BdF, 2007.

8.a3 Ba5 9.c3 Re8 10.d4 Nd5 (10...Ne4 11.Qb3=+) 11.0-0= Qf6 12.c4 Nde7 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Ng6 (15...d5 16.Bc3 Rad8 17.Ba5 Na5 18.cd5 Nd5 19.Rc1=) 16.Nc3 a6 (16...Nh4 17.Nh4 Qh4 18.Nd5=) 17.Nd5+= Qd8 18.Bc3 Bc3 19.Qc3 Nce7 20.Rab1 Nd5 21.cd5 b6 22.Rfc1 Rc8 23.a4 (23.Qd3 Ne7+=) 23...Qd7 24.Qb4 (24.Qc2 Qg4=) 24...a5 (24...Ne7!?=) 25.Qb3 Ne7 26.e4 (26.Qb5 Qd8+=) 26...Qg4 27.Qd3 (27.Re1 Ng6 28.h3 Qh5+=) 27...Qg6 (27...f5 28.e5 Ng6= (28...Nd5? 29.Qb3+-)) 28.Ne1 (better 28.Rb5!?=) 28...Nd5!-/+ 29.ed5?? (better 29.f3-/+) 29…Re1!-+ (29...Re1 30.Re1 Qd3-+) 0-1. bvamrx (2020) - MCN1000 (2045), lichess.org, 2021.

8.c3 Ba5 9.d4 Ne7 10.0-0 c6 11.Nbd2 Bc7 12.Qc2 d5 13.Bd3 Qc8 14.Ba3 Re8 15.Ng5 Bf5 16.e4 de4 17.Nde4 Ne4 18.Be4 Be4 19.Qe4 Ng6 20.Qf3 Qd7 21.Rab1 b6 22.Rfe1 h6 23.Nh3 Re6 24.Kh1 Rae8 25.Re6 Qe6 26.Rf1 Nh4-+ 27.Qh5 Qe4 28.f3 Qe2 29.Rg1 Ng6 30.Bc1 Qc2 31.Qg4 Bb8?? 32.Qd7= Kf8 33.Ba3 c5-/+ 34.dc5 Qc3 35.c6 Qa3-+ 36.c7 Bc7 37.Qc7 Qa2 38.Rd1 Kg8 39.Rd7?? Re1 40.Ng1 Qf2 (40...Qf2 41.Rd8 Kh7 42.Rh8 Kh8 43.Qd8 Kh7 44.Qh8 Kh8 45.f4 Qg1#) 0–1. Wegner,Michael – Sommer,Wolfgang, Mecklenburg VP LL2, 1998.

8.c4 a6 9.Nc3 (9.a3 Ba5=) 9...Bc3 (9...Re8 10.Nd5 Nd5 11.cd5=) 10.Bc3= Re8 11.0-0 Qd7 (11...Qe7 12.d3=) 12.Qc2 (better is 12.Bf6!? gf6 13.d4+/–) 12...Ne4= 13.a3 (13.d4 Rab8=) 13...a5 (13...Nc3 14.Qc3 Ne5 15.Ne5 de5 16.Bg4 Qg4 17.d4=) 14.Rfe1 (14.d4 Rab8=) 14...a4 (14...Bf5 15.d3 Nc3 16.Qc3=) 15.Bb2 (15.Rab1 Nc3 16.Qc3 b6=) 15...Nc5 16.Rad1 Nb3 (16...f6 17.h3 Bf5 18.d3+=) 17.d4 (17.h3 Bf5 18.d3 f6+=) 17...Nca5 (17...Bf5 18.Qc3+=) 18.c5+= dc5 (18...Qf5 19.Qf5 Bf5 20.cd6 cd6 21.Bb5=) 19.dc5 (better is 19.Ne5!? Re5 20.de5+/–) 19...Qf5+= 20.Qc3 f6 21.Nd4 (21.Qb4 Re4 22.Bd4 Qe6+=) 21...Nd4 (21...Qg5 22.Nb3 ab3 23.Bg4 Qg4 24.Rd4+=) 22.Rd4 (better is 22.Bg4!? Qg4 23.Rd4+/– (23.Qd4?! Qd4 24.Rd4 Nb3=)) 22...Be2= 23.Re2 (23.Ra4 Nc4 24.Ra8 Ra8 25.Re2 Qc5+=) 23...Nb3+= 24.Rc4 Red8 (24...Rad8 25.Re1+= (25.Ra4? Nc5 26.Ra5 b6-+)) 25.h3 (25.Re1 Rd2 26.Rf1 Qd3 27.Qd3 Rd3+=) 25...Rd1 26.Kh2 (26.Re1 Re1 27.Qe1 Qd3=) 26...Rad8 27.Ra4 (27.Qc2 Qc2 28.Rcc2+=) 27...Nc5 (better is 27...Nd2!? 28.Rd2 R1d2 29.Qb3 Kh8-/+) 28.Rd4 (28.Rg4 h5 29.e4 Qd7+/–) 28...R1d4 (28...b5 29.Qa5 Ne6 30.Rd1 Rd1 31.Rd2 Rd2 32.Qd2=) 29.ed4 Ne6 (better is 29...Na6!?=) 30.Qc4 (better is 30.Qb3 Rd6 31.Qb7+/–) 30...Rd6 0–1. Petzold,Annika – Ebel,Maik, Oberfraenkische Einzelmeisterschaft U14, 2017.

8.c4 d5 9.0-0+=.

8.0-0 Re8

9.c3 Ba5 10.d4 Bf3 11.Bf3 d5 12.Nd2 Ne4 13.Ne4 de4 14.Bg4 Qh4 15.Bh3 Rad8= 16.Qg4 Qg4 17.Bg4 g6 18.Rab1 f5 19.Bh3 b5 20.Rfc1 a6 21.a3 Rd7 22.c4 Nd8 23.cb5 ab5= 24.Bc3 Bc3 25.Rc3 c6 26.g3 Kf7 27.Bf1 Kf6 28.d5?? Rd5-+ 29.a4 ba4 30.Bc4 Rc5 31.Rb4 Ra5 32.Ra3 Nf7 33.Rb7? Ne5 34.Bb3 Rb5 35.Rb5 cb5 36.Bd5 Rd8 0–1. ChessandGo – Wall,Bill, chess.com, 2008.

9.Nc3 a6 10.Rb1 Rb8 11.d3 Qe7 12.Re1 Be6 13.Nd4? Nd4-/+ 14.ed4 Ba2! 15.Na2? Be1 16.Qe1 Qe2 17.Qe2 Re2 18.Rc1 Ng4 19.f3 Ne3 20.Nc3 Rg2 21.Kh1 Rf2 22.Re1 Rf3 23.Bc1 Nc2 24.Rg1 Nd4 25.Ne4 Rd3 0–1. Djakov,Joao – De Assis,Carlos Roberto, Internet Section, 2004.

9.c4 a6 10.d4 Ba5 11.Nbd2 Ne7 12.d5 Ng6 13.h3 Bd7 14.Qc2 Bb6 15.a4 Qc8 16.Nd4 Bh3? 17.gh3+/– Qh3 18.Qf5 Qh4 19.N4f3+- Qh5 20.Qh5 Nh5 21.a5 Ba7 22.Bd4 Bd4 23.Nd4 Nf6 24.Rab1 Rab8 25.Rb3 Nd7 26.Kg2 Nc5 27.Rb2 f6 28.Rh1 Ne5 29.N2f3 Re7 30.Nf5 Rf7 31.N3d4 Ne4? 32.Rhb1 Nc5?! 33.Ne6 b6 34.Nc5 dc5 35.ab6 cb6 36.Rb6 Rb6 37.Rb6 a5 38.Ra6 g6 39.Nh6 Kg7 40.Nf7 Kf7 41.Ra5 1–0. Fredek (2065) – ChessAndy (1640), Freundschaftspartie, 5m + 0s, 2006.

9.d4 d5 10.Nbd2 Ne7 11.c4 c6 12.a3 Ba5 13.cd5 Ned5 14.Nb3 Bc3 15.Qc2 Bb2 16.Qb2 Ne4 17.Nc5 (17.Rfc1 Qe7=) 17...Nc5 18.dc5 Qe7 19.Kh1 (19.h3 Bh5=) 19...h6 (19...Nf4 20.Rab1=+) 20.Rac1 Rab8 21.Nd4 Be2 22.Ne2 Qf6 (22...b6 23.Qc2=) 23.Nd4 Re4 24.Qc2 Rh4 (24...Re7 25.Rfd1=) 25.g3 (25.Rfd1 Rh5+=) 25...Rh5= 26.Qe4 (26.Kg1 Nc7=) 26...Rd8 (26...Nc7 27.g4 Rd5 28.Nf5=+) 27.Kg2= Re5 28.Qf3 Qg6 29.h4 (29.Rfd1 Kh7=) 29...h5 (29...Nf6 30.Rfd1 Rdd5 31.Rb1=+) 30.Rfe1 (30.Rfd1 Rd7=) 30...Rde8 31.Rb1 R8e7 32.Rb3 (32.Rec1 Nf6 33.Qf4 Qe4 34.Qe4 Ne4=) 32...a5 33.Reb1 (better 33.Rb2=+) 33...a4?? (better 33...Nc3! 34.Rc1 Na4-/+) 34.Rb7+- Rb7 (34...Kh7 35.R1b2+-) 35.Rb7 Nc3?? (better 35...Ne7+-) 36.Nc6 (36.Qc6?! Qc6 37.Nc6 Rc5+/-) 36...Re6 37.Ne7 Re7 38.Re7 Nb5 (38...Kf8 39.Rb7 Qe6+-) 39.c6 Qd6 (39...Kh7+-) 40.Qf7 (40.Qf7 Kh7 41.Qg7) 1-0. abalro (2225) - sidneycrode (2220), Rated Blitz game, lichess.org, 2016.

9.h3 Bf5 10.c3 Ba5 11.Na3 d5 12.d3 Bb6 13.Qd2 a6 14.Nc2 h6 15.Rac1 Qd7 16.Nb4 Nb4 17.cb4 a5 18.Bf6 gf6 19.ba5 Ba5 20.Qb2 Bb6 21.d4 Qe6 22.Bb5 Re7 23.Rc3 Be4 24.Be2 Kh8 25.Nd2 Rg8 26.Ne4+= de4 27.Bg4 f5= 28.d5 Qf6 29.d6 cd6 30.Bf5 Qf5 31.Rc8 Qe5 32.Rg8 Kg8 33.Qb6 Kg7 34.Rd1 Rd7 35.a4 Kf6 36.Qb4 h5 37.Qc4 d5 38.Qc8 Qd6 39.Qh8 Kg6 40.Qg8 Kf6 41.Rb1 Qa6 42.Qh7 Qa4 43.Qh5 Kg7 44.Qg5+- Kf8 45.Rc1 Re7 46.Qf6 Ke8 47.h4 Kd7 48.h5 Qa3 49.Rb1 b5 50.Ra1 Qc5 51.h6 Re6 52.Qf7 Re7 53.Qf8 b4 54.h7! b3 55.h8Q d4 56.Qd8 (56.Qd8 Kc6 57.Qf6 Kb5 58.Qa5 Kc4 59.Rc1 Kd3 60.Qfa6 Qc4 61.Qc4#) 1–0. Walther,Manfred (1890) – Meisinger,Peter (1710), DESC, 2000.

9.h3 Bh5 10.c4 Ne5 11.Ne5 Be2 12.Nf7 Bd1 13.Nd8 Be2 14.Re1 Bc4 15.Bf6 gf6 16.a3 Red8 17.ab4= Bd3 18.Nc3 a6 19.Nd5+= f5 20.Nc7+/– Rac8 21.Nd5 Rc2 22.Nf4 Rd2+= 23.Red1 Rd1 24.Rd1 Bb5 25.Ne6+/– Rd7 26.Nd4 (26.Nd4 Ba4 27.Ra1+/–) 1–0. Kappel,Andreas – Wartig,Wolfgang, corr DDR, 1986.

7.Be2 Nbd7

8.0-0 Ba5 9.d3 Bb6 10.c4 Re8 11.Nc3 a6 12.Rb1 Rb8 13.Qc2 Nc5 14.d4 Ne6 15.h3 Bh5 16.Rfe1 Bg6 17.Bd3 Bh5 18.Nd2 Ba5 19.Nf1 (better 19.f4!? Nf8 20.g4 Bg4 21.hg4 Ng4 22.Nf3 Ne3 23.Qd2+/-) 19...Bg6= 20.Ng3 Qd7 21.Bg6 hg6 22.Red1 Bc3 23.Bc3 Nh5 24.Nh5 gh5 25.Qf5 g6 26.Qf6 Qe7 27.Qe7 Re7 28.Rb2 b6 29.Rdb1 Rbe8 30.a4 a5 31.Rb5 Nd8 (better 31...h4!?=) 32.c5+/- dc5 33.dc5 bc5 34.Rc5 Re6? (34...Re4 35.Ra5 Rc4 36.Bf6+/-) 35.Ra5 Nc6 36.Rc5 White plans a5 36...Ra8 37.Rb7 Kf8 38.Rc7 Nd8 39.a5 Ke8 40.Rb5 Rc6 41.Re5 Kf8 42.Bb4 Kg7 43.Ree7 Raa6 44.Bc3 (better 44.Rcd7 Rc8 45.f4+-) 44...Kg8?? (44...Kf8 45.Rc6 Nc6+-) 45.Re8 Kh7 46.Rh8 1-0. bjoernsen (2320) - bcn000 (2220), Rated Blitz game, lichess.org, 2016.

8.0-0 a6 9.a4 (9.Re1 d5=) 9...c5 (9...Re8 10.Bc3 Bc3 11.Nc3=) 10.c3 (10.d4 Re8=) 10...Ba5 11.d4 (11.c4 Qb6 12.Qc2 Ne5=) 11...b6 12.Nbd2= Nd5 13.Qc2 N7f6 14.Nc4 Re8 15.Na5+/– ba5 16.h3 Bh5 17.c4 Nb4+= 18.Qd2 Ne4 19.Qd1 Qe7 20.d5 Nf6 21.Re1 Rab8 22.Rb1 Bg6-/+ 23.Rc1 Na2 24.Bf6 Qf6 25.Ra1 Nc3 26.Qc1 Ne2 27.Re2 Rb4 28.Kh2 Reb8 29.e4=+ Qd8 30.g4 Qf6 31.Ne1 Qe5 32.Kg2?? Be4-+ 33.f3?? Bf3! 34.Kf3 Rb3 35.Kf2 Qg3 36.Kf1 Qh3 37.Rg2 Qh1 38.Kf2 Rb2 39.Nc2 Rc2! 40.Qc2 Qa1 41.g5 Rb2 (41...Rb2 42.Kf3 Rc2 43.Rc2 Qa4-+) 0–1. kostovist – dusterstar, internet, 2006.

8.0-0 c5 9.c4 d5 10.cd5 Nd5 11.Qc2 Rc8 12.d3 N7f6 13.Nbd2 Ba5 14.Nc4 Bc7 15.Nce5 Bh5 16.a3 Qd6 17.Nc4 Qd7 18.Nfe5 Qe6 19.Bh5 Nh5 20.a4 Rfd8 21.Rad1 Qh6 (21...Nb4 22.Qb3=) 22.Qe2 Nhf6 23.h3 (23.f4 Nd7=) 23...Nb4 24.Bc3 (24.Qf3 b6=) 24...a6 (24...Nfd5 25.Qb2=+) 25.a5= Nbd5 26.Ba1 b5 (better 26...Be5!? 27.Be5 Nd7=) 27.ab6!+/- Nb6 (27...Bb6 28.Nb6 Combination; 27...Nb6 28.Nb6 Combination) 28.Nb6 Bb6 29.Nc4 (better 29.Qa2!? Rc7 30.Qa6+/-) 29...Bc7= 30.Qf3 Qg6 (30...Nd5 31.Qg4=) 31.Bf6+= Qf6 32.Qf6 gf6 33.Rd2 Ra8 34.Ra1 a5 35.Ra4 (35.Ra3 Rdb8 36.Kf1 Kf8+/-) 35...Rdb8 (35...Rab8 36.g4+=) 36.g3 Rb4 37.Rda2 Ra4 38.Ra4 Rb8 (better 38...Kf8!?+/-) 39.Na5+- Ra8 40.Rg4 Kf8 41.Nc4 Rd8 42.d4 cd4 43.Rd4 (43.ed4?! f5 44.Rh4 f4+=) 43...Rc8 44.Kg2 Be5 45.Re4 Bc3 (45...Rc5 46.Nb6 Kg7 47.Rc4+-) 46.Nd6 Rc6?? (46...Rb8+-) 47.Re8 Kg7 48.Nf5 Kg6 49.Ne7 (49.Ne7 Kh6 50.Nc6+-) 1-0. Osmak,Yuliia (2415) - Goltseva,Ekaterina (2300), Motiva Online Women Blitz, 2021.

8.0-0 c5 9.d4 b6 (9...cd4 10.Bd4 Rc8 11.c3=) 10.a3 cd4?? (better 10...Ba5=) 11.ab4+- de3 12.fe3 (worse 12.Qd6 ef2 13.Rf2 Ne4+-) 12...Qe7 13.Bd4 Nd5 (13...a5 14.ba5 Ra5 15.Nc3+-) 14.Qd2 N7f6 15.Bd3 Rfe8 (15...a5 16.b5 Ne4 17.Be4 Qe4 18.c4+-) 16.Re1 (16.c4!? Nc7 17.Nc3 a5+-) 16...h6 (16...Ne4 17.Be4 Qe4 18.c4+-) 17.c4 (17.e4 Bf3 18.gf3 Nc7+-) 17...Bf3 18.gf3 Nf4 19.Bf1 N6h5 (19...Ne6 20.Nc3+-) 20.Nc3 Qg5 21.Kh1 Ng6 (21...Ne6 22.Ne4 Qh4 23.Nd6 Ng3 24.Kg2 Nf1 25.Rf1+-) 22.Qg2 (22.Bd3 Ne5 23.Rg1 Qf6+-) 22...Qf5 (22...Qg2 23.Bg2 Rac8 24.Nb5 Rc4 25.Nd6 Rd4 26.ed4 Re1 27.Re1+-) 23.Qg4 (23.Qg4 Qg5 24.Qg5 hg5 25.Nb5+-) 1-0. Bendega (2025) - Sil_vu_ple (2030), lichess.org, 2021.

8.0-0 Nc5 9.c4 c6 10.d4 Nce4 11.Nfd2 Be2 12.Qe2 d5 13.Ne4 Ne4 14.Ba3 a5 15.c5 b6 16.f3 Nf6 17.Bb4 ab4 18.Rc1 Nd7 19.cb6 Qb6 20.Nd2 c5 21.dc5 Nc5 22.Nb3 Na4 23.Nd4 Rfe8 24.Qd2 Rac8 25.Kf2 (25.Rab1 Nc3 26.Rb2 Qa5=) 25...Rc4 26.Nf5 (26.Rc2!?+=) 26...g6 27.Nd4 Qc7 ½–½. Tozser,Denes – Egri,Laszlo (2160), Nyiregyhaza op, 2001.

8.0-0 c6 9.c3 Ba5 10.d4 d5 11.Nbd2 Re8 12.c4 dc4 13.Nc4 Bc7 14.h3 Bh5 15.Rc1 Ne4 (15...Nd5 16.Qb3 Rb8 17.Rfe1=) 16.Nfd2 (16.d5 Qe7+=) 16...Be2= 17.Qe2 Nd2 18.Nd2 Nf6 19.Qf3 (19.Nc4 Qd5=) 19...Qd6-/+ 20.g3 (20.Rfd1-/+) 20...Qd5 (better 20...Qe6!?-/+) 21.Qd5= Nd5 22.Ba3 Re6 (22...f5 23.Rb1 Rab8 24.Rfc1=) 23.e4+= Nb6 24.d5 (24.Rfe1 Rae8+=) 24...Rh6 (24...Rg6 25.dc6 bc6 26.Bc5=) 25.Nf3 (25.Rfd1+=) 25...Rh3 (better 25...Bd6!? 26.Bd6 Rd6 27.dc6 bc6=) 26.dc6+/- bc6 27.Rc6 Bd8 28.Rd1 (28.e5 g5+/-) 28...Rh6 (28...Rh5 29.Bc5+/-) 29.Rh6 gh6 30.Nd4 Bf6 (30...Nc4 31.Bb4+/-) 31.Nf5+- h5 32.Kg2 Rd8 33.Rd8 Bd8 34.f4 Na4 35.Bb4 f6 36.Kf3 Kf7 37.e5 (37.Ne3 Bb6+/-) 37...fe5 (37...a5 38.Bd6+/-) 38.fe5 Bc7 (38...a5 39.Bd6+/-) 39.Ke4+- Nb2 40.Kd5?? (better 40.Bc3 Na4 41.Bd4+-) 40...Nd3?? Attacks the isolani on e5 (better 40...Be5 41.Ke5 Nd3 42.Ke4 Nb4=) 41.Bc3 (better 41.e6 Kg6 42.e7+-) 41...Nc1?? (41...Kf8+-) 42.e6 Ke8 (42...Kg8 43.Nh6 Kf8 44.Bb4 Ke8 45.Nf5+-) 43.Bb4 (43.Bb4 Be5 44.Ke5 Nd3 45.Kf6 Nb4 46.Ng7 Kd8 47.e7 Kc7 48.e8Q+-) 1-0. Mely (2270) - Mondoman36 (2170), ChessWorld.net, 2016.

8.0-0 c6 9.c4 d5 10.d4 Ne4 11.Qb3= Bd6 12.cd5+= Qc7 13.Rc1 Rfc8 14.h3 Bh5 15.Bd3 Ndf6 16.Ne5+- 1–0. MrkT – vbtd96og, internet, 2005.

8.0-0 c6 9.c4 Re8. angeloyoung (2395) – yulio (2000), gameknot.com, 2014.

8.0-0 c6 9.d4 Ne4 10.Nfd2 Be2 11.Qe2 Ndf6 12.Rd1 d5=+ 13.f3 Nd2 14.Nd2 Re8 15.c3 Bd6 16.e4 de4 17.fe4 Bf4 18.e5 Nd5 19.Qf3 Qg5 20.Ne4= Be3 21.Kh1+/– Qf4 22.Rf1 b5 23.Nd6 Rf8 24.Qh3 Qh6 25.Qd7 Bf4 26.h3 Bg5? 27.Nf7 Qg6 28.Ng5 Qg5 29.Qc6 Ne3 30.Rg1 Rad8 31.Bc1 Qg3 32.Be3 Qe3 33.Rge1 Qg3 34.e6 (34.e6 Rb8 35.Rad1+-) 1–0. Goltz – Erler, corr DDR, 1984.

8.0-0 Re8 9.c4 c6 10.h3 Be6 11.d4 d5 12.cd5 Bd5 13.a3 Ba5 14.Nc3 Be6 15.Qc2 Rc8 16.Ng5 h6 17.Ne6+= Re6 18.Rfc1 Nb6 19.Bd3 Nbd5? 20.Nd5+- Nd5 21.Bh7 Kh8 22.Bf5 Qe7 23.e4 (23.e4 Nb6 24.Qb3+-) 1–0. Buettner,Fritz – Smiley,William, CiF, 2000.

8.0-0 Re8 9.d3 a5 10.Nbd2 (10.a3 Bc5=) 10...Bc5 (10...d5 11.a3 Bd6 12.c4=) 11.c4 d5 12.d4 Bb4 13.c5 Bd2 14.Nd2 Be2 15.Qe2 Nf8 16.a3 Ng6 17.a4 Qd7 18.Qb5 Qg4 19.Ba3 (better 19.Nf3!?=) 19...Nh4-/+ 20.g3 Qh3 21.gh4 Ng4 22.Nf3 Qf3 23.Qb2? (23.Qb7 Rac8 24.Ra2 Qh3-+) 23...Re6 (better 23...Nh2 24.Qb7 Qh3-+) 24.Rfe1 (24.h5 Qh3 25.f3 Ne3 26.Rfb1-+) 24...Rg6 25.Kf1 (25.Qc2 Nf2 26.Kf1 Ne4 27.Qf2 Qf2) 25…Nh2 0-1. MSS_ZeroTime (2130) - manuppd (2215), Rated Blitz game, lichess.org, 2016.

8.a3 Ba5 9.0-0 d5 10.Nc3 Nb6 11.d3 c5 =.

8.a3 Ba5 9.0-0 Qe7 10.Nc3 =.

8.a3 Ba5 9.0-0 Bf3 10.Bf3 c6 11.c4 Ne5 12.Be2 Bc7 13.d4 Ng6 14.Nc3 d5 15.cd5 Qd6 16.g3 Nd5 17.e4 Ndf4 18.Bc4 Nh3 19.Kh1 Qf6? 20.f4 Ngf4? 21.gf4 Bf4? 22.e5 Qh6 23.Bc1 Be3 24.Qf3 Bc1 25.Bf7?? Kh8= 26.Rac1 Ng5 27.Qg4 Rf7 28.Rf7 Nf7 29.Rf1 Ng5 30.Rf5 Ne6 31.Qf3? Qc1-+ 32.Kg2 Qa3 33.Rf7?? Nd4 (33...Nd4 34.Qg4 Ne6-+; better is 33...Ng5 34.Qf2 Nf7-+) 0–1. Kreuzer,Uwe – Wetz, Bezirkseinzelpokal, 1981.

8.c3 Ba5 9.0-0=.

8.c3 Bc5 9.h3 (9.d4 Bb6=) 9...Bf3 10.Bf3 c6 (10...d5 11.c4 dc4 12.Bb7=+) 11.d4 Bb6 12.Ba3 Qc7 13.0-0 Rfe8 14.Nd2 d5 15.Qc2 c5 16.Rfc1 Rac8 Black intends c4 17.Qb3 c4 18.Qb5 a6 19.Qa4 Ba5 20.Bb4 Bb4 21.Qb4 b6 22.Qa4 a5 (22...b5 23.Qc2= (23.Qa6? Ra8 24.Qb5 Reb8 25.Bd5 Rb5 26.Ba8 Rb2-+)) 23.Rab1 Rb8 (23...Qd6 24.Qb5=) 24.Rb5 (24.Qb5 Qd6+=) 24...Qc6 (better 24...Qd6!?=) 25.Ra5!+- Qa4 (25...ba5 26.Qc6) 26.Ra4 Ra8 (26...b5 27.Ra5 Ra8 28.Rb5 Ra2 29.Rd1+- (29.Bd5?! Rd2 30.Bc4 Kf8+=)) 27.Ra8+- Ra8 28.Rc2 (28.Nc4 Ra2 29.Nd6 g5+-) 28...Ra3 29.Nb1 (29.e4 de4 30.Nc4 Ra7+-) 29...Ra5 30.Rb2 h5 31.Nd2 Ra3 32.Nb1 (better 32.Rc2!?+-) 32...Ra5= 33.Nd2 (33.Nd2 Ra3 34.Rc2+-; better 33.g4!?+-) 1–0. petrobbo (1970) – Deep_Bill (1855), ChessWorld.net, 2009.

8.Nd4 Be2 9.Qe2 d5 10.c4 c5 11.Nc2 Ba5 12.cd5 Nd5 13.Qd3 N7f6 14.e4 Nf4-+ 15.Qf3? Nd3 16.Kd1 Nb2 17.Kc1 Nd3 18.Kd1 Re8 19.Ne3 Ne4 20.Rf1 Qd4 21.Nf5 Qa1 22.Kc2 Nb4 23.Kc1-+ Na2 24.Kc2 Nb4 25.Kc1 Rad8 26.Qg4 Nd3 27.Kc2 Qa2 28.Kd1 Qb1 29.Ke2 Nf6 30.Kf3 Ne5 31.Kf4 Qb4 32.Kg3 Qg4# 0–1. guest1069 – guest1044, ICS blitz, 2001.

8.h3 Be6 9.0-0 c6 10.d4 d5 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Re8 14.cd5 Bd5 15.Bf3 Bd2 16.Qd2 Bf3-/+ 17.gf3 Ne5 18.Qe2 Ng6 19.f4 Nf4! 20.Qg4 Nd3 21.Rab1 Qd5 22.Kh2 Re6 23.Rg1 Rg6 24.Qe2 Qf5 25.Rg6 hg6 26.Rf1 Re8 27.Ba1 b6 0–1. gtate (1860) – waldiheinz (2000), net–chess.com, 2003.

5.Bb2 a5

6.a3 Bc5 7.d4 Bb6 8.e3 c6 9.Bd3 d5 10.0-0 Bg4 11.Nbd2 Nbd7 12.h3 Bf3 13.Nf3 (worse is 13.gf3 Bc7=) 13...Ne4 14.c4 Ndf6 15.cd5 Qd5 1–0. BlackDemon (2610) – Nimzog, FICS rated standard game, 2013.

6.a3 Bc5 7.e3 Bb6 8.c4 c6 9.Qc2 h6 10.d4 Bc7 11.Bd3 Be6 12.Nbd2 d5 13.c5 Nbd7 14.h3 0-0 15.0-0 Re8 16.Ne5 Ne5 17.de5 Nd7 18.f4 Nf8 19.f5 Bc8 20.e6 fe6 21.f6 e5?? (better is 21...gf6 22.Bf6 Qd7+/–) 22.f7+- Kh8 23.fe8R Qe8 24.Rf2 Be6 25.Raf1 Nd7 26.Bf5 Nf6 27.Be6 Qe6 28.Rf6! gf6 (28...Qf6 29.Rf6 Combination; 28...gf6 29.Qf5 Double attack (29.Qf5 Decoy)) 29.Qg6 Rf8 (29...Qd7 30.Qh6 Qh7 31.Qf6 Qg7 32.Qh4 Kg8+-) 30.Qh6 Kg8 31.Qg6 Kh8 32.Rf5 Qf5 33.Qf5 Kg7 (33...a4 34.Nf3 Kg7 35.Qg4 Kh8 36.Qh5 Kg7 37.Nh4 Rf7 38.Nf5 Kg8 39.Nh6 Kh8 40.Qf7 b5 41.Qg8) 34.Qg4 Kh8 35.Nf3 Rf7 36.Qg6 Rg7 37.Qf6 (37.Qf6 Kg8 38.Ng5 Rg5 39.Qg5 Kf7 40.Qf5 Ke8 41.Qc8 Bd8 42.Qb7+-) 1–0. BlackDemon (2645) – Nimzog, FICS rated standard game, 2013.

6.a3 Bc5 7.e3 c6 8.d4 Bb6 9.Bd3 Bg4 10.0-0 Nbd7 1–0. BlackDemon (2610) – Nimzog, FICS rated standard game, 2013.

6.a3 Bc5 7.e3 d5 8.c4 0-0 9.cd5 Nd5 10.Qc2 Bd6 11.Bc4 c6 12.Nc3 Be6 13.Nd4 Na6 14.Ne6 fe6 15.Ne4 Qe7 16.h4 h6 17.g4 Nc5 18.Nc5 Bc5 19.g5 hg5 (better is 19...h5!?+/–) 20.hg5+- e5 21.Qg6 Bd6?? (21...Qe8 22.Qh7 Kf7 23.g6 Kf6+-) 22.Bd3 Nf4 (22...Nf6 23.gf6 Rf6 24.Rh8 Kh8 25.Qh7) 23.Rh8!! Kh8 (23...Kh8 24.Qh7#) 24.Qh7 1–0. BlackDemon (2615) – Nimzog, FICS rated standard game, 2013.

5.Bb2 c6

6.a3 Ba5 7.Nc3 Be6 8.g3 Nbd7 9.Bg2 Qb6 10.Rb1= Qa6 11.0-0 0-0-0 12.Nd4 d5 13.Nb3 Bb6 14.e3 Bc7 15.Nd4 g5 16.Ne6 fe6= 17.h3 h5 18.Ne2 e5 19.d3 Rh7 20.e4 de4-/+ 21.de4 Nc5-+ 22.Qc1 Qe2 23.Qg5 Ncd7 24.Qf5 Qc2 25.Rfc1 Qe2 26.Bf3 Qd2 27.Rd1 Qh6 28.h4 Qg7 29.a4 Kb8 30.Qe6 Re8 31.Qb3 Nc5 32.Qc4 Ne6 33.Ba3 Nd4 34.Bg2 b6 35.a5 Qg6 36.Rd4 ed4 37.Qc6 Re4 38.a6 Bf4?? 39.Rb6 ab6= 40.Qb6 Ka8?? 41.Qc6?? Kb8 42.Qb6 Ka8?? 43.Qc6?? Kb8 44.Qb6 ½–½. mic (2270) – jjjooojjjoojjoj (2375), net–chess.com, 2006.

6.a3 Bc5 7.d4 Bb6 8.e3 Bf5 9.Bd3 Bd3 10.Qd3 d5 11.0-0 0-0 12.Nbd2 =.

6.Nc3 d5 7.e3 0-0 8.Bd3 Nbd7 9.a3 Bd6 10.Ne2 Ne5 11.Ne5 Be5 12.Ng3 Bb2 13.Rb1 Be5 14.f4 Bd6 15.0-0 Re8 16.Bf5 Bf5 17.Nf5 Ne4 18.Qg4 g6 19.Nh6 Kg7 20.Nf5 Kf8 21.Nh6 Nd2 22.f5 Nb1 23.fg6 hg6 24.Rf7# 1–0. guest190 – guest1382, ICS blitz, 2000.

6.c4 0-0 7.e3 Ba5 (7...d5 8.Qc2=+) 8.Be2= Re8 9.0-0 Nbd7 10.d4 d5 11.Nc3 Nf8 (11...dc4 12.Bc4 Nb6 13.Bb3=) 12.Qb3 Bg4 13.cd5 (13.Qb7?? Rb8 14.Qb3 Rb3 15.ab3 Ne4-+) 13...cd5 14.h3 (14.Qb7? Rb8 15.Qa6 Rb2-+) 14...Bh5 15.g4 (15.Rfc1 Re6+=) 15...Bc3 (15...Bg6!?=) 16.Bc3+= Ng4? (16...Bg6!?+=) 17.hg4+- Bg4 18.Qd1?? (better 18.Qb7 Qf6 19.Qd5+=) 18...Qc8 (18...Re6!? 19.Ne1 Bh3-/+) 19.Bb4 Bh3 20.Ne5 Bf1 21.Bf1 Qe6 22.Bf8 Rf8 23.Qb3 ½–½. Visser,Ynte (1760) – Hillenkamp,Melchior (1605), Groningen Netherlands, Festival–B, 2017.

5.Bb2 Nc6

(--> 4…Nc6 5.Bb2 d6).

6.e3 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0-0 6.Nf3 d6).

6.e3 0-0 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.e3 Bf5 7.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Bf5).

5.Bb2 d5

6.e3 0-0 7.Be2 Bg4 8.0-0 c6 9.h3 Bf3 10.Bf3 Qe7 11.d3 Nbd7 12.Nd2 =.

6.g3 0-0 7.Bg2 Re8 8.0-0 c5 9.e3 (9.a3 Ba5+=) 9...Nc6+= 10.c3 Ba5 11.d4 c4 (11...Qb6 12.Ba3+=) 12.Nbd2 (12.Qc2 g6+=) 12...Bf5-/+ 13.Nh4 Bd3 14.Re1 Ne4 (14...b5 15.Nb3-/+) 15.Rc1 b5 16.f3? (better is 16.Ne4 de4 17.Qh5+=) 16...Nd2-+ 17.Qd2? (17.Bh3 g5 18.Nf5 Qf6-+) 17...g5 18.e4 (18.Nf5 Bf5 19.e4 de4 20.fe4 Bg6-+) 18...gh4 19.e5 (19.Qh6 Re6 20.Qf4-+) 19...Nd4! 20.Qh6 (20.cd4 Bd2 Pinning (20...Bd2 Deflection)) 20...Ne2 21.Re2 Be2 22.gh4 (22.f4 hg3 23.Qh3 Bb6 24.Kh1 gh2 25.Kh2 Kh8-+) 22...Re5 23.Kf2 Bb6 (23...Bb6 24.Kg3 Be3 25.Qe3 Re3-+) 0–1. lletram22 (1880) – yulio (2010), gameknot.com, 2014.

5.Bb2 Be6

6.Nd4 0-0 7.c3 Ba5 8.Ne6 fe6 9.Qb3 Qc8 10.e3 c5 11.f4 Nc6 12.Be2 =.

6.e3 Nc6 7.c4 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Be6).

6.e3 Nbd7 7.Be2 Bc5 8.0-0 0-0 9.d4 Bb6 10.c4 Bg4 11.Nc3 c6 12.h3 Bf3 13.Bf3 Ba5 14.Qc2 Bc3 15.Bc3 d5 16.Rab1 b6 17.Qa4 Qc7 18.Rfc1 Qd6 19.cd5 Nd5 20.Bd5 (20.Bb4!? Nb4 21.Qb4+/–) 20...Qd5= (20...cd5? 21.Bb4 Qe6 22.Bf8 Nf8 23.Rc7+-) 21.Bb4 Rfc8 22.Qb3 Qf5 23.Qc2 Qc2 24.Rc2 c5 25.Rbc1 a5 26.Ba3 h6 (better is 26...Rc6!?+=) 27.dc5+/– bc5 28.Bc5 Nc5 29.Rc5 Rc5 30.Rc5 Kf8 31.a4 Ra7 32.Rd5 Ke7 33.Kf1 Ke6 34.e4 g6 35.Ke2 f5 36.Ke3 fe4 37.Ke4 g5 38.Rb5 (better is 38.f4 gf4 39.Rh5+-) 38...Rf7? (better is 38...Kf6+-) 39.Rb6 Ke7 40.Rb7 Kf6 41.Rf7 Kf7 42.Kd5 (42.Kd5 Ke7 43.Kc6+-) 1–0. forsetinn (1725) – lastone (1670), gameknot.com, 2013.

5.Bb2 Bf5

6.a3 Bc5 7.e3 0-0 8.d4 Bb6 9.Bd3 Bd3 10.Qd3 d5 11.0-0 Re8 12.c4 =.

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d6 5.Bb2 Bf5 6.Nf3).

6.e3 0-0 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

5.Bb2 Bg4

6.a3 Bc5 7.d4 Bb6 8.e3 0-0 (8...Ba5 9.Bc3 Bc3 10.Nc3=) 9.Be2 Nbd7 (9...d5 10.0-0=) 10.Nbd2 Re8 11.0-0 Ne4 (11...d5 12.c4=) 12.c4 (12.Ne4 Re4 13.Bd3 Re8=) 12...Ndf6= 13.Ne4 Ne4 14.Nd2 Nd2 15.Qd2 Be2 (15...Ba5 16.Qa5 Be2 17.Rfc1=) 16.Qe2 Qh4 17.Qf3 c6 18.a4 Bc7 19.d5 Re4 20.g3 Qe7 21.Rfc1 Re8 (21...Ba5 22.dc6 bc6 23.Rab1=) 22.Bd4 (22.a5 a6=) 22...a6 (22...c5!? 23.Bb2 Ba5=+) 23.Qf5+= c5 (24.f3 Re3 25.Be3 Qe3 26.Kg2 Ba5+=). bby – canon7, Live Game Caissa's Web, 2004.

6.a3 Bc5 7.e3 d5 8.c4 0-0 9.Qb3 Bf3 10.gf3 d4 11.Qb7 Nbd7 12.Qc6 =.

6.c3 Ba5 7.e3 c5 8.Bb5 Nbd7 9.h3 Be6 10.0-0 h6 (10...0-0 11.Na3=+) 11.c4= 0-0 12.d3 Rb8 13.Na3 a6 14.Ba4 Nb6 15.Bb3 Nbd7 16.Rb1 b5 (16...b6!?=) 17.cb5+= Bb3 (17...ab5 18.Be6 fe6 19.Qb3+=) 18.Qb3+/– ab5 19.Nb5 Nb6 20.Nh4 Nbd5 21.Nf5 Qd7 22.Nfd6+- Nc7 23.Bf6 gf6 24.a4 Kh7 25.Qc4 Nb5 26.Ne4 Rb6 27.Rb5 Rg8 28.Rb6 Qh3 29.Qf7 Rg7 30.Nf6 Kh8 31.Qf8 (31.Qf8 Rg8 32.Qg8) 1–0. pierre – Jonseywood, internet, 2006.

6.c3 Bc5 7.d4= Bb6 8.Nbd2 0-0 9.Qc2 (9.e3 Bf5=) 9...Re8 (9...c5 10.e3=+) 10.e3= Nd5 (10...c5 11.Bd3=) 11.e4 (11.Bd3!? Nf6 12.0-0=) 11...Nf4=+ 12.g3 Nh3 13.Ng1 Ng1 14.Rg1 Qf6 15.Bg2 c6 16.f3 Be6 17.Kf2 Nd7 18.Ke2 c5 19.d5= Bd5 20.c4+/– Bc4 21.Nc4 Qh6 22.Kf2 Re6 23.Rad1 Rae8 24.Bc1 Qf6 25.Rd5 Re4 26.Rgd1 Bc7 27.Bf1 R4e6 28.Bg5+- Qg6 29.Bd3 Qh5 30.h4 f6 31.Bf6! Qf7 32.Bh7 Kh8+= 33.Bb2 Re2= 34.Qe2 Re2 35.Ke2 Kh7 36.Nd6 Bd6=+ 37.Rd6 Qa2 38.R1d2 Qc4 39.Kf2 Nb6 40.h5 Qf7 41.Rg6= Nc4 42.Rg7 Qg7 43.Rd7?? Qd7-+ (43...Qd7 44.Bc1 Ne5-+) 0–1. Hartlaub,Marianne – Spatz,Wera, Bad Neustadt, 1992.

6.c4 0-0 7.a3 Ba5 8.e3+=.

6.c4 a5 7.e3 Qd7 (better is 7...Bc5!?=) 8.a3 Bc5 9.Bf6 gf6 10.Nc3 Nc6 (10...Qc6 11.d4 Ba7 12.c5 Bf3 13.gf3+- (13.Qf3?! Qf3 14.gf3 dc5+=)) 11.Nd5 0-0-0 12.d4 Bf3 13.gf3 Ba7 14.Rb1 Qe6 15.Nf4 Qe7 (15...Qe8 16.Be2+-) 16.Bh3 Kb8 17.Nd5 Qe8 18.Kf1 (18.Nf6 Qe7 19.Qb3 b6+-) 18...Qf8 (18...h6 19.Qb3 b6 20.Qb5+-) 19.Qa4 (19.Nf6?! Qh6 20.Nd7 Kc8+=) 19...Ne7 20.Qb5 b6 21.Bd7 (21.Qa5 Qh6 22.Ne7 Qh3 23.Ke2 Qd7+-) 21...Nd5 (21...Rg8 22.Ne7 Qe7 23.Bc6+-) 22.cd5 Qh6 23.Bc6 Qg6 (23...Rdg8 24.Qa5 Qg6 25.e4 Qg2 26.Ke2+-) 24.e4 (24.e4 Qh5 25.Ke2+-) 1–0. Gareyev,Timur (2610) – Johansson,Carl, Blindfold King, 2016.

6.c4 Nc6 7.e3 0-0 8.Be2 Re8 9.0-0 d5 10.Nc3 dc4 11.Bc4 Ne5 12.Be2 c6?? (better is 12...Nf3 13.Bf3 Bf3 14.Qf3 Qd2-/+) 13.Ne5+- Be2 14.Ne2 (14.Qe2?! Re5 15.d3 Re6=) 14...Ne4 (14...Qd2 15.a3 Qb2 16.Nc4 Qa1 17.Qa1+-) 15.d3 Nd2 16.Re1 f6 17.Bc1 Nb3 (17...fe5 18.Bd2 Bd2 19.Qd2 Rf8+-) 18.Qb3 (18.ab3?! Be1 19.Nc4 Bb4+-) 18...Kf8 (18...Qd5 19.Qb4 c5+-) 19.Qf7 1–0. mluka (2280) – mvoong (1900), net–chess.com, 2001.

6.e3 0-0 (--> 5.Bb2 0-0 6.e3 Bg4).

6.e3 c6 7.Be2 Ba5 (7...d5 8.0-0=) 8.0-0 Bc7 9.c4 d5 (9...0-0 10.Nc3=) 10.cd5 (10.Qb3 Nbd7+=) 10...Qd6 (10...Qd5 11.Qb3 Qb3 12.ab3=) 11.g3 (11.Be5 Qe7 12.Bc7 Qc7 13.dc6 Nc6+/–) 11...0-0 12.dc6 Nc6 13.d4 Ne7 14.Ne5 Bh3 15.Ba3 Qd5 16.Bf3 Qd8 17.Bb7+- Rb8 18.Be7 Qe7+= 19.Nc6?? Qe4-/+ 20.f3? Qe3-+ 21.Kh1 Bf1 22.Qf1 Rb7 23.Na3 Qa3 24.Re1 Rb2 25.Re2 Re2 26.Qe2 Nh5 27.Ne7 Kh8 28.g4 Qc1 (28...Qc1 29.Kg2 Nf4 30.Kf2 Ne2 31.d5 Nd4 32.a3 Qd2 33.Kg1 Qe3 34.Kh1 Qf3 35.Kg1 Ne2) 0–1. chessforces (1700) – hnoe (1705), net–chess.com, 2001.

6.e3 c6 7.Be2 Ba5 8.0-0 Bc7 9.c4 Nbd7 10.d4 d5 11.cd5 Nd5 12.Nc3 N7f6 13.h3 Bf3 14.Bf3 Qd6 15.g3 0-0 16.Qb3 Ne3 17.fe3 Qg3-/+ 18.Bg2 Qe3 19.Kh1 Nh5 20.Ne4 Ng3 21.Ng3+= Qg3 22.Qg3 Bg3 23.d5 cd5 24.Bd5+/– Rab8?? 25.Rg1+- 1–0. chessforces (1700) – hnoe (1705), net–chess.com, 2001.

6.e3 c6 7.Be2 d5 8.0-0 =.

6.e3 Nc6 7.Be2 Qe7 8.0-0 0-0 9.d4 Ne4 (9...d5!?=+) 10.c3 (better 10.d5!? Ne5 11.Qd4+-) 10...Ba5= 11.h3 Bh5 12.c4 (12.Qc2 Rfe8=) 12...a6 (12...f5 13.d5 Ne5 14.Ne5 Be2 15.Qe2 de5 16.Qc2=) 13.Na3 (13.Nfd2 Bd2 14.Nd2 Be2 15.Qe2 f5=) 13...Bb6 (13...Bf3 14.Bf3 Nd2 15.Qc2=+) 14.Qc2 (14.Nb1 Ba5=) 14...Nb4 15.Qd1 Nc6 16.Nc2 (16.Qc2 h6=+) 16...f5 (16...f6 17.Nd2 Be2 18.Qe2=) 17.a3= f4 18.Nb4? (better 18.ef4!? Rf4 19.Nb4 Nb4 20.ab4=) 18...Nb4 19.ab4 fe3 20.fe3 Rae8 (20...Ng3 21.Rf2 Qe3-/+) 21.Bc1? (better 21.c5!? Ba7 22.Kh2=+) 21...Ng3 (21...Nc3 22.Qc2 Ne2 23.Qe2 Bd4 24.Ra3-+) 22.Rf2? (better 22.c5!? Nf1 23.Bf1-+) 22...Ne2-+ 23.Qe2 (23.Re2 Rf3 24.gf3 Bf3-+) 23...Bd4! 24.Ra2? (24.ed4 Qe2 Pinning (24...Qe2 Deflection); 24.Nd4 c5 Double attack (24...Be2 Pinning; 24...Be2 Deflection; 24...c5 Decoy)) 24...Be3 25.Be3 Qe3 26.Qe3 Re3 27.g4 (27.Nd4 Re1 28.Kh2 Rf2 29.Rf2 Bf7-+) 27...Bg6 (better 27...Ref3 28.Rf3 Rf3 29.gh5 Rh3 30.b5-+) 28.Kg2 (28.Ng5-+) 28...Be4 29.Kg3 (29.Kg1 Rff3 30.Rf3 Rf3-+) 29...Ref3 30.Rf3 Rf3 31.Kh4 (31.Kh2-+) 31...h6 32.g5 hg5 (32...Bf5!? 33.gh6 gh6 34.Rh2-+) 33.Kg5 Rh3 34.Re2 (34.b5 ab5 35.cb5 Kf7-+) 34...d5 (better 34...Rh5 35.Kf4-+) 35.Rf2 (35.cd5 Bd5 36.Re7-+) 35...dc4 36.Re2 Bc6 37.Rc2 (37.Re5 Rd3 38.Kg4 c3-+) 37...c3 38.Kg4 Rd3 39.Kf4 Rd6 (better 39...Ba4 40.Rc1 c2-+) 40.Rc3 (40.Ke3 Rh6-+) 40...Rd4 41.Ke5 (41.Ke3 Rb4 42.Ra3 Re4 43.Kd3 g5-+) 41...Rb4 42.Ke6 Re4 43.Kf5 Kf7 (better 43...a5-+) 44.Rc6 (44.Rd3-+) 44...bc6 45.Ke4 a5 46.Kd4 g5 47.Kc4 g4 48.Kc5 g3 49.Kc6 a4 50.Kc7 (50.Kc5 a3 51.Kc6 g2 52.Kc7 g1Q 53.Kd6 Qd4 54.Kc6 a2 55.Kb5 a1Q 56.Kc6 Qa6 57.Kc7 Qdd6) 50…a3 (50...a3 51.Kd6 g2 52.Kd5 g1Q 53.Ke5 a2 54.Kd6 a1Q 55.Kc6 Qa6 56.Kc7 Qd4 57.Kb8 Qe5) 0-1. Bendega (2055) - maksjov (2110), lichess.org, 2021.

6.e3 d5 7.c4 Nc6 8.cd5 Qd5 9.Bf6 gf6 10.a3 +=.

6.e3 Nbd7 7.Be2 0-0 8.0-0 c6 9.c4 Nb6 10.Qb3 c5 (10...Ba5 11.h3 Be6 12.d3=) 11.d4 (11.a3 Ba5+=) 11...Re8 (11...d5 12.dc5 Bc5 13.cd5 Nfd5 14.Rd1=) 12.d5 (better is 12.a3 Ba5 13.dc5 dc5 14.Rd1=) 12...Qe7? (12...Ba5 13.a3=) 13.Bc3?? (better is 13.a3 Bf3 14.gf3+-) 13...Bc3= 14.Nc3 Nfd7 15.a4 Ne5 16.Ne5+= Be2 17.Ne2 de5 18.a5 Nc8= 19.Nc3 Nd6 20.Nb5 b6 21.Nd6 Qd6 22.e4 Kf8 23.Ra3 ba5 24.Ra5+/– Qb6 25.Rb5 Qc7 26.Rb1 f5 27.Qh3 Kg8 28.Qf5 Rab8 29.Qh5 a6 30.R5b3 Qd6 31.h3 Rf8 32.Rb7 a5 33.Qg5 g6? 34.Qh6 Rb7 35.Rb7 Rf7 36.Rf7 Kf7 37.Qh7 Kf6 38.Qa7 Qd8 39.Qc5 a4 40.Qc6 (40.Qc6 Kf7 41.Qe6 Kf8 42.Qg6+-) 1–0. pumpkin (2495) – smailliwmot, net–chess.com, 2004.

6.e3 Nbd7 7.Be2 0-0 8.Nc3 Re8 9.0-0 c6 10.Nd4 Be2 11.Nce2 Ne5 12.Nb3 Nc4 13.Bf6 Qf6 (worse is 13...gf6 14.Ng3 Ne5 15.a3+/–) 14.c3 Ba3 15.Qc2 d5 16.Rab1 Rab8 17.d3 Ne5 18.Nbd4 Bd6 19.Rb3 Qg6 20.Nf4 Qg5 21.Rfb1 Ng4 22.Nf3 (22.Rb7? A) 22...Bf4?! 23.ef4 Qf4 24.Nf3= (24.Nc6?? Qh2 25.Kf1 Qh1); B) 22...Rb7 23.Rb7 Qf4-+ (23...Bf4?! 24.Nf3 Ne3 25.fe3 Be3 26.Kh1-/+)) 22...Qh6 (22...Qe7 23.Ne2+=) 23.h3 Ne5 24.Ne5 Be5 25.Rb7 Rb7 26.Rb7 Bf4 27.ef4 Re1 28.Kh2 Qf4 29.g3 Qe5 30.d4 Qe8 31.Ra7 g6 1–0. Gorniewicz,Oskar – Sieniek,Mateusz, VIII Stolem A Poland, 2007.

6.e3 Nbd7 7.Be2 Qe7 8.0-0 c6 9.d3 Ba5 10.c4 Bc7 11.Nc3 0-0 12.Rb1 Bf3 (12...d5 13.cd5 Qd6 14.g3 Nd5 15.Qa4=) 13.Bf3+= Ne5 14.Be2 Rad8 15.d4 Ng6 16.Ba3 (better 16.Qa4 Bb6 17.Bd3+=) 16...Rfe8? (better 16...Ba5 17.Qb3 Rfe8+=) 17.Rb7+- Qe6?? (17...Rb8 18.Ra7 Ra8+-) 18.Rc7 1-0. bjoernsen (2265) - MatiRL (2200), Rated Blitz game, lichess.org, 2016.

6.e3 Ne4?? 7.Be2?? (better is 7.c3!? Qf6 8.a3 (8.cb4? Qb2 9.Nc3 Bf3 10.gf3 Nc3 11.dc3 Qc3 12.Ke2 Qb2 13.Ke1 Qb4 14.Qd2 Qd2 15.Kd2 Nd7-+) 8...Ba3 9.Na3+-) 7...Nc6 (7...0-0 8.c3 Bc5 9.d3=) 8.0-0 (8.a3 Ba5+=) 8...Qe7 9.Nd4 Be2 10.Qe2 Ne5?? (better is 10...Nd4 11.Bd4 0-0=) 11.Qb5+- Nd7 (11...c6 12.Qb4 a5 13.Qa4+-) 12.Qb4 (better is 12.Nf5 Qg5 13.f4 Qg4 14.Qb7 0-0 15.Qe4 Rae8 16.Nh6 gh6 17.Qb4 Rb8+-) 12...c5 13.Qb7 Rb8 14.Qa7 Rb2 (14...cd4 15.Qd4 Nef6 16.a4+-) 15.Nf5 (15.Nc6 Qe6 16.d3+-) 15...Qf6 (15...Qd8 16.Ng7 Kf8+-) 16.Qa8 Rb8 17.Qe4 Kd8 18.Nc3 Re8 19.Qf3 Ne5 (19...g6 20.Nh6 Qf3 21.gf3+-) 20.Qh3 g6 21.Ng3 Rb4 (21...h5 22.Rfb1 Rb1 23.Rb1+- (worse is 23.Nb1 Ng4 24.f3 Qa1 25.fg4 Qb1 26.Nf1 hg4 27.Qg4 Qc2+=)) 22.Nd5 (22.Nd5 Qh4 23.Nb4 Nf3 24.Kh1 Qh3 25.gh3 (25.gf3?! cb4 26.Rfb1 h5=) 25...cb4 26.Rfb1+-) 1–0. forsetinn (1725) – dnb3000, gameknot.com, 2013.

6.h3 Bf3 7.ef3 0-0 8.Be2 (8.a3 Bc5=) 8...Re8 (8...Nd5 9.a3 Ba5 10.g3=+) 9.0-0 (9.a3 Bc5 10.d4 Bb6=+) 9...Nc6 (9...Nd5 10.Bb5 c6 11.Bc4=+) 10.a3 Ba5 11.c3 Bb6 12.d4 Ne7 13.Nd2 c5 14.Nc4 cd4 15.Nb6 Qb6 16.Rb1 dc3 17.Bc3= Qc7 18.Bf6 Rac8?? 19.Bd4 b6 20.Be3 d5 21.Rc1 Qd7 22.a4 Nf5? 23.Bb5 Rc1 24.Bc1 (24.Bc1 Qe6 25.Be8 Qe8 26.Re1+-; 24.Bd7?! Rd1 25.Rd1 Ne3 26.fe3 Re3 27.Rd5 f6+-; < 24.Qc1 Qe6 25.Be8 Qe8+-) 1–0. stoker – liencam2, Live Game Caissa's Web, 2005.

6.h3 Bf3 7.ef3 Qe7 8.Be2 0-0 9.0-0 Nd5 10.Re1 Re8 11.Nc3 Bc3 12.dc3 Nf4 13.Bd3 Qe1 14.Qe1 Re1 15.Re1 Nc6 16.g3 Nd5 17.c4 Ndb4 18.Be4 Nd4 19.Bb7 Rb8 20.c3 Nd3 21.Re4 Nb2 22.cd4 Nc4 23.d5 Nd2 24.Re7 Nf3 25.Kg2 Nd4 26.Rc7 Nb5 27.Rc8 Rc8 28.Bc8 Nc3 29.a3 Nd5 30.Bb7 Nb6 31.Kf3 Kf8 32.Ke4 Ke7 33.Kd4 Kd7 34.Ba6 h6 35.Bb5 Kc7 36.a4 g5 37.f4 f6 38.fg5 fg5 39.h4 gh4 40.gh4 Kb7 41.a5 a6 42.Ba4 Na4 43.Kd5 Kc7 44.h5 Nc5 45.Kd4 Nb7 46.Ke4 Na5 47.Kf5 Nc6 48.Kg6 Ne7 49.Kh6 Kd7 50.Kg7 Nf5 51.Kg6 Ke6 52.h6 Nh6 53.Kh6 a5 54.Kg5 a4 55.Kf4 a3 56.Ke3 a2 57.Kd2 a1Q 0–1. Nautiluschess – gkinf, ICS blitz, 2001.

5.Bc3 Bc3

6.Nc3 Nc6 7.g3 Bf5 (7...0-0 8.Rb1=+) 8.Bg2 0-0 9.0-0 (9.Rb1 Rb8=+) 9...Ne7 (9...Rb8 10.Re1=+) 10.Nd4 (10.Rb1 Rb8 11.Re1=) 10...c5 (10...c6!?=) 11.Nf5+= Nf5 12.Bb7 Rb8 13.Bg2 d5 14.e3 a6 15.d3 Qa5? 16.Nd5+- Nd5 17.Bd5 Qc3 18.Be4 Nd6+/– 19.Bg2 Rb2 20.Rc1 Ra2 21.Bd5 Ra5 22.Bb3 Rd8 23.Qf3 c4 24.Bc4 Nc4 25.dc4 Qc4 26.Kg2 Rad5 27.Rcd1 h6 28.h4 a5+= 29.c3 a4 30.Ra1 Ra5 31.Rfb1 Qc3=+ 32.Qg4 a3 33.Rc1 Qb3 34.Qe4 f5 35.Qc6 a2 36.Rc3 Qf7 37.Qb6 Rda8 38.Rc7 Qd5-/+ 39.Kh3 R5a6 40.Qb2=+ g5?? 41.Qg7 1–0. wlittle (2160) – kaspov (2055), net–chess.com, 2005.

6.Nc3 Bf5 7.Rb1 Bc8 8.e4 0-0 9.Bc4 Re8 10.Qe2 Nc6 11.0-0 Ng4 12.d4 Qf6 (12...Nf6 13.Bb5=) 13.Nd5+= Qg6? (better is 13...Qd8+=) 14.Nc7+- Re4 15.Bf7 Qf7 (15...Kf7 16.Qe4) 16.Qe4 Nf6 17.Qc6 bc6 18.Na8 Qa2? (better is 18...Bb7=) 19.Rb8+- Qe6 ½–½. Maurer – Granzeuer, corr SOK–88–23, 1988.

6.Nc3 Bg4 7.e3 0-0 8.Rb1 b6 9.h3 Bf3 10.Qf3 c6 11.d4 d5 12.Bd3 a6 13.0-0 b5 14.Rfd1 g6 15.e4 Ra7 16.a4 b4? (better is 16...de4!? 17.Be4 Ne4 18.Ne4 Kg7+=) 17.Rb4+- Qd6 (17...Qd6 18.Rdb1 de4 19.Be4 Kg7+-). Raffzahn – rgp, chessworld.net, 2012.

6.Nc3 Bg4 7.e3 a6 8.Bd3 (8.h3 Be6=) 8...Nbd7 (8...0-0 9.0-0=) 9.Ne4 (9.0-0 0-0=) 9...h6 (9...0-0 10.Nf6 Qf6 11.Be2=+) 10.h3 Bh5 11.Nf6 Nf6 12.0-0 b5 13.g4 Ng4 14.Be2?? Nf6-/+ 15.Kh1 Qd7-+ 16.Rg1?? Qh3 17.Nh2 Be2 18.Qe2 g5 19.Rg3 Qf5 20.a4 ba4 21.Rf3 Qg6 22.Ra4 Qc2 23.Rc4 Qb1 24.Kg2 Qb7 25.e4 Nd7 26.d4 0-0 27.Ng4 Kg7 28.Rfc3 Rac8 29.Kg3 h5 30.Ne3 Kg6 31.Nf5 Rce8 32.d5?? Nc5 33.f3? Qb1 34.Kg2 Rh8 35.Rc1 Qd3 36.Qd3 Nd3 37.Ra1 Nf4 38.Kf1 h4 39.Rc7 h3 40.Ra6?? h2 41.Rd6 Ne6 42.Ng3 f6?? 43.Re6+- Re6 44.de6 Rh3 45.Kg2 Rh8 46.Kh1 Rh3 47.Kg2 Rh8 48.e7 Kf7 49.Kh1 Rh3 50.Nf5 Rh8 51.Rd7 Ke8 52.Ra7 Rh3 53.Nd6# 1–0. coolerdude – theblizzard, ChessWorld.net, 2005.

6.Nc3 Bg4 7.e3 Nbd7 8.Rb1 Nb6 9.a4 =.

6.Nc3 0-0

7.e3 a6 8.Be2 b5 9.0-0 Nc6 10.a3 d5 11.d4 Bg4 12.h3 Bh5 13.Ne5 Be2=+ 14.Qe2 Ne5 15.de5 Ne4 16.Ne4 de4 17.f3 Qg5 18.f4=+ Qe7 19.c4 c6 20.a4 Qc5 21.cb5 cb5 22.Rac1 Qb4 23.ab5 ab5 24.Rb1 Qc4 25.Qb2?? Rab8 26.Rfc1 Qd3 27.Qd4 Qe2 28.Qe4+= Rfd8 29.Re1 Qc4 30.Qc4= bc4 31.Rb8 Rb8 32.Rc1 Rc8 33.Kf2 Kf8 34.Rc3 Ke7 35.Kf3 Ke6 36.Ke4+- Rc5 37.Kd4 h5?? 38.Kc5 (38.Kc5 g6 39.g3+-) 1–0. wood – hercules53, Live Game Caissa's Web, 2005.

7.e3 b6 8.d4 Ba6 9.Ba6 Na6 10.0-0 d5 11.Ne5 c5 12.a3 Ne4 13.Ne4+= de4 14.c3 cd4 15.cd4 Qd5 16.Rc1 f6 17.Nc6 Rf7 18.Qg4 Re8 19.Rfd1 ½–½. Wall,Bill – Gold,Charles, corr, 2003.

7.e3 c6 8.Bd3 =.

7.e3 c6 8.Be2 Nbd7 9.0-0 Qa5 10.Nd4 Nb6 11.f4 Re8 12.Qe1 Nbd5 13.Nb3 Qc7 14.Nd5 cd5 15.Nd4 Bd7 16.f5 Ne4 17.Bd3 Re5 18.Be4 de4 19.f6 g6 20.Qh4 Rh5 21.Qe4+/– Re8 22.Qf4 Qc5 23.Rab1 Bc6 24.Rf2 Re4 25.Qg3 h6 26.c3 Rg5 27.Qf3 Rge5 28.Qh3 Kh7 29.Qc8+- Re8 30.Qc7 Bd5 31.Rb7 a6 32.Qd7 Rf8 33.Ra7 Qb6 34.a4 Rfe8 35.Rf1 Rd8 36.Ra6 Qd4 37.Qd8 Rg4 38.Rf2 Qe4 (38...Qe4 39.Qg8 Kg8 40.Ra8 Ba8 41.Kf1 Qd3 42.Ke1 Bf3 43.Rf3 Rg2 44.Rf2 Rg1 45.Rf1 Rf1#) 0–1. Vetter,Udo (1800) – Zimmermann,Joerg (1655), TT–09.30 ETC, 2003.

7.e3 Nc6 8.Bc4 Bf5 9.0-0 Ng4 10.h3 Nf6 11.Rb1 Na5 12.Bd5 c6 13.Bc6? Nc6 14.Rb7 Rb8 15.Rb3 Nb4 16.Nd4 a5?? 17.Nf5+- Qd7 18.e4 g6 19.Nh6 Kg7 20.Nf7?? Qf7=+ 21.a3 Nc6 22.Re1 Rbd8 23.d4=+ d5 24.e5 Ne4 25.Ne4? de4-/+ 26.Re2? Nd4-+ 27.Rd2 Nb3 28.Rd8 Rd8?? 29.Qd8= Nc1 30.Qa5 Ne2 31.Kf1 Ng3 32.Kg1?? Ne2 33.Kh2?? Qf2 34.e6 Qg3 35.Kh1-+ Qd6 36.Qa7 Kh6?? 37.Qe3+/– Qf4?? 38.Qe2 Qc1? 39.Kh2+- Qa3 40.Qe4 Qe7 41.c4 Kg7 42.Qe5 Kh6 43.c5 g5 44.c6 Kg6 45.c7 Qe8 46.e7 Kf7 47.Qg5 Qc8 48.Qe5 Qd7 49.e8Q! Qe8 50.Qe8 Ke8 51.c8Q Kf7 52.Kg3 h6 53.Kf4 Kg6 54.g4 Kg7 55.Qd7 Kg6 56.h4 Kf6 57.Qd4 Kg6 58.Qd6 Kg7 59.Kf5 Kh7 60.Qg6 Kh8 61.Kf6 h5 62.Qg7 1–0. djervis (1810) – portcullis (1825), net–chess.com, 2006.

7.e3 d5 8.d4 Bg4 9.Be2 Nbd7 10.0-0 Re8 11.Rb1 Nb6 12.Qd3 =.

7.e3 Re8 8.Bc4 =+.

7.e3 Re8 8.Be2 a6 9.0-0 b5 10.d4 b4 11.Nb1 Bb7 12.a3 c5 13.ab4 cb4 14.c3 Nc6 15.cb4 Nb4 16.Nc3 Qc7 17.Qd2 Rec8 18.Rfc1 Qe7 19.Ra4 a5 20.Rca1 Qc7 21.R4a3 Ne4 22.Ne4 Be4 23.Ne1 d5 24.Bd1 Qb6 25.Rc1 Rc4 26.Bb3 Rc1 27.Qc1 Qd8 28.Qc5 h6 29.Kf1 (29.Kf1 Kh7 30.Bd1=). Pachurka,Roland (1800) – Fischer,Kai (2095), DESC, 2002.

7.e3 Bf5 8.Rb1= b6 9.d4 Nbd7 10.Bd3 Bg6 11.Bg6 fg6 12.0-0 c5 13.e4 Re8 14.Re1 Qc7 15.d5 Ne5 16.Ng5+/– Ned7 17.Ne6 Qb7? 18.Nb5+- Qb8 19.Nbc7 Re6 20.Ne6 Nf8 21.Nc5 dc5 22.e5 Ne8 23.c4 g5 24.e6 Nd6 25.Qg4 h6 26.e7 Nh7 27.Qe6 Kh8 28.Qg6 Nf6 29.Re6 Qc7?? 30.Rbe1 Re8?? 31.Rf6!+- (31.Rf6 gf6 32.Qf6 Kg8 33.Re4+-) 1–0. Khayman,Daniel – Silva,Lucas, FICGS, 2006.

7.e4 Re8 8.d3 Nc6 9.Qe2 Bg4 10.0-0-0 Nd4 11.Qe3 c5 12.Be2 Bf3 13.Bf3 Qa5 14.Qd2 b5 15.Kb1 Qb4 16.Ka1 a6 17.Be2 d5 18.Rb1 (18.ed5 Rad8-/+) 18...Qa3 19.ed5 Nd5!! 20.Ne4 (20.Nd5 Re2) 20...Re4! (20...Ne2 21.Rb3 Qa4 22.Qe2 Qd4 23.c3 Nc3 24.Rc3-+) 21.de4 Nc3 22.Rb2 Nde2 23.Re1 (23.h4 Nd4 24.Rh3 b4-+) 23...Nd4 (23...Qa5 24.Re2 Rd8 25.Qe1 Rd1 26.Qd1 Nd1 27.c3 Qc3 28.Rec2-+) 24.Re3 b4 25.e5 Rd8 26.Rd3 Rd5 (better is 26...Qa4-+) 27.Rc3 Nc2 (27...bc3 28.Rb8) 28.Rcc2 Rd2 -/+.

7.e4 Re8 8.d3 Nc6 9.Be2 d5 10.Nd5 Nd5 11.ed5 Qd5 12.0-0 Bf5 13.d4 Rad8 14.c3 Qa5 15.Qd2 Nd4 16.Nd4 c5 17.Qb2 cd4 18.cd4 Rd6 19.Bc4 Rb6 20.Qc1 Qa4 21.d5 Rg6 22.Qc3 Bh3 23.Qh3 =.

7.e4 Re8 8.d3 Bg4 9.Be2 Nc6 10.0-0 h6 11.Rb1 b6 12.Nb5 a6 13.Nbd4 Nd4 14.Nd4 Be2 15.Ne2 a5 16.Nf4 d5 17.ed5 Nd5 18.Nd5 Qd5 19.a3 Re7 20.Re1 Rae8 21.Re7 Re7 22.Qg4 1–0. supertimchan (2075) – minn (2000), net–chess.com, 2004.

5.Bc3 Nc6

6.a3 Bc3 7.Nc3 h6 8.h3 0-0 9.e3 Re8 10.Be2 a6 11.d4 Bf5 12.Nh4 Ne7 (12...Bh7 13.Nf3=) 13.Nf5= Nf5 14.0-0 Qe7 (14...c5 15.dc5 dc5 16.Bf3=) 15.Qd2 (15.Qd3 g6+=) 15...c6 16.Rab1 Ne4?? (better 16...b5=) 17.Ne4+- Qe4 18.Bf3 (better 18.Bd3!? Qe6 19.Rb7+-) 18...Qe7+= 19.Qd3 (better 19.Bg4 Nh4 20.g3+=) 19...Qg5? (19...Nh4 20.Bg4=) 20.Be4 (better 20.Rb7 d5 21.Bg4+-) 20...Nh4+= 21.g3 d5 22.Bg2 (22.Bh7!? Kh8 23.Rb7+=) 22...Ng2= 23.Kg2 b5 24.f4 (24.a4 h5=) 24...Qf6 25.f5 Re4 26.Rf3 Qg5 Exerts pressure on the backward pawn (26...Rae8 27.a4-/+) 27.Kf2 (27.Qc3 Rae8 28.Qc6 Re3=+) 27...Rd8-/+ 28.Qc3 Rd6 (28...Qf6 29.a4-/+) 29.Rf1 (29.Qa5 Re8=) 29...Qd8 30.Qc5 Rf6 31.Ke2 Re7 32.g4 Rc7 (32...Re4!?-/+) 33.c3 Qd6 (33...Rd7 34.h4=+) 34.Qd6 Rd6 35.Rf4 (35.f6 g6=) 35...c5=+ 36.Kd3 cd4 37.Rd4 (worse 37.cd4 Rdc6 38.Ke2 Rc2 39.Kf3 Ra2-+) 37...Rc5 38.Rc1 Kf8 39.h4 Ke7 40.Re1 (40.a4 ba4 41.Ra4 Rdc6=) 40...Rdc6=+ Attacks the isolani on c3 41.Rc1 Kf6 42.Rf4 Ke5 (42...Rc4 43.Rd4-/+) 43.Rc2 (43.Rd4 Rc4-/+) 43...Rc4-/+ 44.Rd4 a5 45.Rc4 (45.Kd2!?-/+) 45...bc4-+ (worse 45...dc4 46.Ke2-/+) 46.Ke2 Rb6 47.a4 Ke4 (47...Rb3!? 48.Kf3 g6 49.fg6 fg6 50.Rc1-+) 48.Rd2-/+ Rb3 49.Rd4 Ke5 50.e4 Rc3 51.Rd5 Ke4 52.Rd7 (52.Ra5 Rc2 53.Kd1 Rg2-/+) 52...Re3 (better 52...Rc2 53.Kd1 Rg2-+) 53.Kd2?? (better 53.Kf2 Rf3 54.Kg2-/+) 53...Rd3-+ 54.Rd3 cd3 55.g5 hg5 56.hg5 (56.f6 g6 57.hg5 Kf4-+) 56...Kf5 (56...f6 57.g6 Kd4 58.Kd1-+) 57.g6 (57.Kd3 Kg5 58.Kc4 Kf4-+) 57...Kg6 58.Kd3 Kf5 59.Ke3 (59.Kc4 g5-+) 59…g5 (59...g5 60.Kd3 g4-+) 0–1. petrobbo (2025) – Jiggle (2145), ChessWorld.net, 2010.

6.a3 Bc5 7.d4 Bb6 8.e3 a6 (8...Ne4 9.Bb5 0-0 10.0-0=) 9.Bd3 Bg4 10.h3 Bh5 11.Nbd2 Nd5 12.Bb2 Qe7 13.c4 (13.0-0 0-0=) 13...Nf4=+ 14.Bf1 Bd4 (better 14...0-0=) 15.Bd4+- Nd4 16.Ra2?? (better 16.g4 Nc6 17.gh5 Nh5 18.Bd3+-) 16...Nf3-+ 17.Nf3 0-0 18.g4 Bg6 19.Qd4 (19.Nd2 Ne6-+) 19...Ne6 20.Qd1 Be4 21.Bg2 (21.Be2 Qf6 22.Rg1 Rae8-+) 21...Nc5 (21...Nf4 22.Rg1-+) 22.0-0 Bd3 23.Re1 Bc4 24.Rd2 d5 25.Nd4 Ne6 (25...Ne4 26.Be4 de4 27.Qb1-+) 26.Qc1 (26.a4 Qb4-+) 26...Nd4 27.Rd4 c6 28.e4 Rae8 29.Re3 Qc5 (29...Qe5 30.Rd1 d4 31.f4-+) 30.Qc3 b6 (30...Qb5 31.a4 Qb1 32.Re1-+) 31.h4 (better 31.ed5 Re3 32.fe3 Bd5 33.Qc5 bc5 34.Ra4-/+) 31...Qa5?? (better 31...Rd8-+) 32.Qa5= ba5 33.ed5 Re3 34.fe3 cd5 (34...Bd5 35.Bd5 cd5 36.Rd5=) 35.Bd5 (35.e4 Rc8 36.ed5 Bb5+=) 35...Bb5 36.Rf4 g6 (36...Bd7 37.Kf2=) 37.Kf2 a4 38.g5 Kg7 39.Rf6 h6 40.Kf3 hg5 41.hg5 Bd3 42.e4 a5 43.Ke3 (43.Rc6 f5 44.Rc7 Kh8+-) 43...Bc2+= 44.Kd2 Bb3 45.Ra6 (45.Kd3 Bd5 46.ed5 Rb8=) 45...Rd8 (better 45...Re8!?=+) 46.Ra5+= Bd5 47.ed5 (47.Rd5 Rd5 48.ed5 f6-+) 47...f5 (47...f6!?+=) 48.Kd3+- (48.Ra4?! Rd5 49.Ke3 Kf7=) 48...Kf7 49.Kd4 (49.Ra4?! Rd5 50.Ke3 Ke6=) 49...Re8 50.Ra6 Rd8 (better 50...Re1!?+-) 51.Ra7+- Kf8 52.Ra4 Re8 53.Kc5 (53.Ra6 Kf7+-) 53...Re5 (53...Kf7 54.Kc6 Rc8 55.Kd7+-) 54.Ra6 f4 1–0. petrobbo (1920) – robbin817 (2030), ChessWorld.net, 2010.

6.Bb4 Nb4

7.c3 Nc6 8.e3 0-0 9.Bb5 Ne5 10.0-0 Nf3 (10...c6 11.Be2=+).

7.c3 Nc6 8.e3 0-0 9.Bb5 Qe7 10.0-0 Bf5 11.Bc6 bc6 12.d3 Rab8 13.e4 Bg4 14.Qa4 (14.Nbd2 Rb7=) 14...Nd7 (14...Bf3!? 15.gf3 Nd7=+) 15.Nd4= (< 15.Qc6 Bf3 16.gf3 Ne5-/+; < 15.Qa7 Bf3 16.gf3 Nc5-/+) 15...Nc5 16.Qa7 (better is 16.Qc2 Qd7 17.Nd2=) 16...Ra8 -+.

7.c3 Nbd5 8.e4 Qe7 9.d3 0-0 10.Be2 Nf4 11.0-0 d5 12.e5 Bg4 13.Nbd2 Rfe8 (13...Nd7 14.Re1=+).

7.Nc3 0-0 8.e3 (8.Rb1 c5+=) 8...c6 (better is 8...Bf5!? 9.Rc1 Qd7+=) 9.a3= Nbd5 10.Nd5 Nd5 11.c4 Nf6 12.Qc2 Re8 13.Bd3 h6 14.Be2 a6 15.0-0 b5 16.cb5 cb5 17.Qc6 Ra7 18.Rfc1 Bb7 19.Qc2 Be4 20.d3 Bg6 (20...Bd5 21.e4 Be6 22.Nd4=) 21.Nd4 Ra8 22.Bf3 Rc8 (22...d5 23.Qd2+=) 23.Qd2 (23.Qc8!? Qc8 24.Rc8 Rc8 25.Bb7+-) 23...d5+= 24.g3 Qd6 25.Kg2 (25.Rc3 Rc5+=) 25...Nd7 (25...Rc1!? 26.Rc1 Qa3+=) 26.Be2= Nc5 27.f4 (27.Qb4 Qb6=) 27...Rc7 28.Rc3 Na4 29.Rc7+= Qc7 30.f5 Bh7 31.Rc1 Qd6 32.Rc6+/– Qe7 33.Ra6+- Kf8 34.Nb5 Nc5 35.Rd6 Qe3?? 36.Qe3+- Re3 37.Kf2 Re5 38.g4 f6 39.Kf3 Kf7?? 40.d4 (40.d4 Re2 41.Ke2+-) 1–0. Baer,Cy (1895) – Klose,Michael (2005), RSS5E NoEngine–30, 2007.

6.e3 0-0

7.a3 Bc3 8.Nc3 d5 9.d4 Qd6 10.Nb5 Qe7 11.Bd3 Bg4 12.0-0 Ne4 13.c4 dc4 14.Be4 Qe4 15.Nc7 Rac8 16.Nb5 Qd5 17.a4 Rfd8 18.h3 Bh5 19.Qe2 a6 20.Nc3 Qa5 21.Rfc1 Nb4 22.g4 Bg6 23.Qd2 Nd3 24.Rd1 f5 25.Nh4 fg4 26.Ng6 Qg5 27.Ne7 Kh8 28.e4 Qe7-+ 29.hg4 Qd7 30.Qe3 Qg4 31.Qg3 Qh5 32.d5 Rf8 33.Qh2 Qh2 34.Kh2 Rf2 35.Kg1 Rc2 36.Nb1 Nf4 37.Na3 Nh3 38.Kh1 Re2 39.Re1 Re4! 40.Re4 Nf2 41.Kg2 Ne4 42.Rb1 Nd6 43.Rb6 Rd8 44.Kf3 g5 45.Ke3 g4 46.Kf4 h5 47.Nc2 c3 48.Kg3 Nf5 49.Kf4 Rd5 50.Rb7 g3 51.Rb6 g2 52.Rb1 Nd4 53.Na3 Rf5 54.Kg3 Rg5 55.Kf2 h4 56.Rb8 Kh7 57.Rb7 Kg6 58.Rb6 Kh5 59.Rb1 h3 60.Rg1 Nf3! 61.Nc2 Ng1 0–1. ancientmage – marekt, ChessWorld.net, 2003.

7.a3 Bc3 8.Nc3 Qe7 9.Be2 Re8 10.d4 h6 11.0-0 Bd7 12.Bd3 a6 13.Ne2 b5 14.c4 Na5 15.Nd2 Nc4 16.Nc4 bc4 17.Bc4 Bb5 18.Qd3 Rab8 19.Nc3 c6 20.Rfc1 d5 21.Bb5 (21.Nb5? dc4 (worse is 21...ab5 22.Bb3+=; 21...cb5?! 22.Bb3=) 22.Rc4 cb5-+ (22...Rb5?! 23.Rc6 Rb2 24.Rf1-/+; 22...ab5?! 23.Rc6 Ne4 24.Rac1-/+)) 21...cb5 22.Qf5 Rec8 Black intends b4 23.Nd5 Rc1 24.Rc1 Nd5 25.Qd5 Qa3 26.Qc6 b4 27.Qc7 Rb7 28.Qc8 Kh7 29.Rd1 Qa4 30.Rc1 Qd7 31.Qc2 g6 32.Qa2 b3 33.Qa6 (33.Qe2!? a5 34.Qb2-/+) 33...b2-+ 34.Rb1 Qc7 35.Qf1 Qc2 (35...Rb3 36.h3 Qc2 37.Kh2-+) 36.g4? (better is 36.h4+=) 36...Rc7-+ 37.Kg2 Qc1 38.Qd3 Rc2 39.Qb3 Kg7 (39...Kg7 40.Qb2 Qb2 (40...Rb2? 41.Rc1 Kf6 42.Rc6 Ke7 43.h4+-) 41.Rb2 Rb2-+; 39...Qb1?! 40.Qf7 Kh8 41.Qf8 Kh7 42.Qf7 Kh8 43.Qf8 Kh7 44.Qf7=) 0–1. Pachurka,Roland – Scholz,Dietmar, DESC Pokal, 2003.

7.a3 Bc3 8.Nc3 Bf5 9.Bd3 Bd3 10.cd3 d5 11.0-0 Re8 12.Qc2 Rb8 13.Qa4 Qd6 14.Nb5 Qd7 15.Qf4 a6 16.Nbd4 Nd4 17.Nd4 c5 18.Nf5 Qe6 19.Rac1 b6 20.Qg5 g6 21.Nh6 Kg7 22.f3 Ng8 23.Ng8 Kg8 24.Rfe1 Qd6 25.Rc3 d4 26.Rb3 Re5 27.Qf4 b5 28.Reb1 Rbe8 29.e4 Qe6 30.R3b2 Qb6 31.Rb3 Qd6 32.R3b2 Qe7 ½–½. Pfaff,Hans_Juergen – Vetter,Udo, SE003 DESC, 1999.

7.Bb5 Bc3 8.Nc3 Bd7 9.0-0 Ne5 10.Rb1 Nf3 11.Qf3 c6 12.Bd3 Qc8 13.Ne4 Ne8 14.Qf4 d5 15.Ng3 Nf6 16.c4 Be6 17.Nf5 Qb8 18.cd5 Nd5 19.Qg5 Bf5 20.Qf5 g6 21.Qg4 f5 22.Qd4 h6 23.Bc4+- Rd8 24.Qh4 Kf7 25.Qh6 Rh8 26.Qf4 Rh7 27.Qb8 Rb8 28.Rfe1 Ke6 29.e4 fe4 30.d3 Ke5 31.Bd5 cd5 32.de4 d4 33.Rb5 Ke6 34.Rd5 Rbh8 35.h3 Rc8 36.Rd4 Rc2 37.a4 Rf7 38.f3 Ke5 39.Red1 g5 40.R1d2 Rd2 41.Rd2 Rc7 42.Kf2 Rc4 43.Kg3 Ke6 44.Rd5 Ra4 45.Rg5 a6 46.Kf4 b5 47.h4 Ra2 48.h5 b4 49.h6 b3 50.h7 Ra5 51.Ra5 b2 52.h8Q b1Q 53.Qc8 Ke7 54.Re5 Kf7 55.Qd7 Kg6 56.Re6 Kh5 57.Qh7# 1–0. GLChess210 – Storm05, computer chess game, 2000.

7.Bb5 Ne4 8.Bb4 Nb4 9.a3 Nd5 10.d4 Bf5 11.Bd3 Re8 12.0-0 =.

7.Bb5 Ne4 8.Bc6 Bc3 9.Bb7 Bd2 10.Nbd2 Bb7 11.Ne4 Be4 12.0-0 Rb8 13.Nd2 Bc6 14.Qg4 Rb2 15.Qc4 Bb7 16.Rab1 Rb6 17.Qf4 Re8 18.a4 Re5 19.f3 Qg5 20.Nc4 +/–.

7.Bb5 Ne4 8.Bc6 Bc3 9.Nc3 Nc3 10.dc3 bc6 11.0-0 Qf6 12.Qd3 Re8 13.Rab1 Be6 14.Rb7 Ba2 -/+.

7.Bb4 Nb4

8.c3 Nbd5

9.d4 c5 10.Bb5 =+.

9.d4 c6 10.Qc2 Re8 11.Bd3 Nf4 12.0-0 Nd3 13.Qd3 Bg4 14.Nbd2 d5 15.c4 Ne4 16.cd5 Qd5 17.Rfc1 Nd2 18.Nd2 Rac8 19.f3 Bf5 20.e4 Bg6 21.ed5 Bd3 22.dc6 bc6 23.Rc3 Bb5 24.a4 Ba6 25.Nb3 Bb7 26.Rac1 Rcd8 27.Kf2 Rd5 28.Rc5 Red8 29.Ke3 R5d6 30.Na5 Ba8 31.Nc6 Bc6 32.Rc6 Rd4 33.Rc8 R4d7 34.Rd8 Rd8+= 35.Rc7 Re8 36.Kd2 Rd8 37.Kc3+/– Ra8 38.a5 a6 39.h4 h5 40.g4 Re8 41.Rd7 hg4 42.fg4 Re5 43.Kb4 Re4 44.Kc5 Rg4 45.Rd6 f5 46.Ra6 Rh4 47.Kd5 Kh7 48.Ke5= g6 49.Ra7 Kh6-/+ 50.Kf6 Rc4 51.a6 Rc6 52.Ke5 Kg5 53.Ra8 Rc5 54.Kd6-/+ Ra5 55.Ke6? Kg4 56.a7 g5 57.Kf6?? f4-+ 58.Rg8 Ra6 (58...Ra6 59.Ke5 Ra7-+) 0–1. Suess,Stefan – Gerstmeyer, corr, 1985.

9.d4 Re8 10.c4 Nf4=+ 11.g3 N4h5 12.Bg2= Ne4 13.Nbd2 Nhf6 14.Ne4 Ne4 15.0-0 c6 16.Qc2 Qf6 17.Nh4 Qe7 18.Rfe1 Ng5 19.Rab1 Bg4 20.f3 Be6 21.f4 Nh3 22.Kf1 Bg4 23.Bf3 Bc8 24.Nf5 Qf6 25.Bg4 g6 26.Bh3 gf5 27.Bg2 Re7 28.Qd3 Rc7 29.e4 fe4 30.Be4 Bh3 31.Kg1 h6 32.d5 c5 33.Re3 Kf8 34.Bh7 Re8= 35.Re8 Ke8 36.Re1 Re7 37.Re7 Ke7 38.Kf2 Kd8=+ 39.Kf3 Qa1-/+ 40.Qb1 Qc3 41.Qd3 Qe1 42.Qc2 Qh1 43.Ke3 Bg4 44.Kd3 b5 45.Kc3 Qg1 46.Kb2 Qd4 47.Qc3 bc4 48.Bc2 Ke7 49.h4 Qd5 50.Qe3 Kf6 51.Qc3 Qd4 (51...Qd4 52.Be4 Be6-+) 0–1. Zimmermann,Joerg (1700) – Kuni,Richard (1700), TT–02.27 TSC, 2002.

9.d4 Bf5 10.Bd3 Bd3 11.Qd3 Qe7 =.

9.Be2 Bg4 =+.

9.d4 Qe7

10.Bc4 Be6 11.Bb3 Ne4 12.Qd3 Bf5 13.Bd5 Ng3 14.Qb5 c6 15.Bc6 bc6 16.Qa5 Nh1 17.Qf5 Rab8 18.Ng5 g6 19.Qf4 Rb2 20.Ne4 f5 21.Ned2 g5 22.Qf3 f4 23.e4 c5 24.h4 cd4 25.cd4 Qc7 26.hg5 Qc1-/+ 27.Qd1 Qd1 28.Kd1 Nf2 29.Ke1 Nd3 30.Ke2 Nb4 31.a3 Nc2-+ 32.Nc4 Rfb8 33.Nb2 Rb2 34.Nd2 Na1 35.e5 Nb3 36.ed6 Rd2 37.Kf3 Rd4 (38.Kg4 Rd6 39.Kf4 Ra6-+) 0–1. Fritz 5.32 – Crafty 19.01, 2004.

10.Bd3 Bg4

11.0-0 Ne4 12.Qb3 Nb6 13.Nbd2 Bf3 14.Nf3 Rad8 15.a4+= a5 16.c4 Qe6 17.Qb5 Ra8 18.Be4 Qe4 19.c5 Nc8 20.Nd2 Qc2 21.Rfd1 b6 22.Rac1 Qf5 23.e4 Qg5 24.Qc6 Ra7 25.cd6 Nd6 26.e5 Nf5 27.Nf3 Qe7 28.d5 Rd8 29.d6 cd6 30.ed6 Qf6 31.d7 Qc6 32.Rc6 Kf8?? 33.Rc8+- Rad7 34.Rd8 Rd8 35.Rd8 (35.Rd8 Ke7 36.Rb8+-) 1–0. Fritz 8 – Crafty 19.01, 2004.

11.0-0 Ne4 12.Qb3 Nb6 13.Nbd2 Bf3 14.Nf3 Rad8 15.a4+= a5 16.c4 Qe6 17.Qb5 Ra8 18.Ng5 Ng5 19.Qg5 h6 20.Qb5 Rfe8 21.Rfd1 Red8 22.Rac1 g6 23.e4 Qe8 24.c5 Qb5 25.Bb5 Nc8 26.d5 Na7 27.Bd3 Rac8 28.Rb1 Rb8 29.Rdc1 c6 30.cd6 Rd6 31.Rc5 cd5 32.ed5 b6 33.Ra5 Nc8 34.Bc4 Kg7 35.Ra6 Kf6 36.a5 Ke5 37.Rb4 Kd4 38.Ba2 Kc5 39.Rh4 Kb5 40.Bc4 Kc5 41.ab6 Rdb6 42.Ra5 Kb4 43.Ra1 Kc5 44.Ba2+= Rb2 45.Rc1 Kd6 46.Ra4 Rd2 47.h3 Kd7 48.Bc4 Rbb2 49.Kh2 Rf2=+ 50.Bf1 Nb6 51.Ra5 Rbd2 52.Ra7 Kd8 53.Rb1 Rf6 54.Bc4 Rd6 55.Ba2 f5 56.Rb4 Ke8 57.Ra6 Nc8 58.Ra8 Ke7 59.Rb7 Kf6 60.Bb3+= Nb6 61.Ra6 Nc8 62.Rc6 Rc6 63.dc6 Ke5 64.Rb8 Rb2?? 65.Rc8+- Rb3 66.c7 Kd6 67.Rb8 Rc3 68.c8Q Rc8 69.Rc8 Ke6 70.Rc6 Kf7 71.Kg3 Kg7 72.Kf4 (72.Kf4 Kf7 73.h4+-) 1–0. Fritz 8 – Crafty 19.01, 2004.

11.0-0 Ne4 12.Qb3 Nb6 13.Nbd2 Bf3 14.Nf3 Rfe8 15.a4 a5 16.Bb5 Red8 17.Rab1 Rac8 18.Bd3 Re8 19.c4 Ra8 20.Rfd1 Qe6 21.Be4 Qe4 22.c5 dc5 23.dc5 Na4 24.Rd4 Nc5 25.Re4 Nb3 26.Re8 Re8 27.Rb3 b6 28.Rc3 c5 29.Kf1 a4 30.Nd2 h5 31.Ke2 Rc8 32.Nc4 b5 33.Nd6 b4? 34.Nc8+- bc3 35.Kd3 a3 36.Kc3 Kf8 37.Kb3 Ke8 38.Nb6 Ke7 39.Ka3 Kd6 40.Kb3 Kc6 41.Na4 Kd5 42.Nc3 Kd6 43.Kc4 h4 44.Ne4 Ke5 45.Nc5 g5 46.e4 g4 47.h3 gh3 48.gh3 Kf4 49.Kd5 Kf3 50.Ke5 Kf2 51.Kf4 (51.Kf4 Ke2 52.e5+-) 1–0. Fritz 8 – Crafty 19.01, 2004.

11.h3 Bd7

12.c4 Nb4 13.0-0 Nd3 14.Qd3 Ne4 15.Nc3 Nc3 16.Qc3 Bf5 17.Qb3 c5 18.Rad1 Rfe8 19.a3 h6 20.Rfe1 Rad8 21.Qc3 a6 22.Qb2 Rc8 23.d5 b5 24.cb5 ab5 25.Qb5 Qf6 26.Nd2 Qg5 27.Kh1 Bc2 28.Rc1 Qf5 29.Qe2 Bd3 30.Qf3 Re5 31.e4 Qf3 32.gf3 c4 33.f4 Re7 34.Rc3 Rc5 35.Kg2 f5 36.f3 Rb7 37.e5 Rb2 38.Rd1 Be2 39.Nc4 Bc4 40.Kg3 Rb3 41.Rb3 Bb3 42.Rb1 Bd5 43.Rb8 Kf7-+ 44.ed6 Ke6 45.Rd8 Rc3 46.Kh4 Rf3 47.d7 Rf4 48.Kh5 Rf3 49.h4 Rg3 50.Re8 Kd7 51.Rd8 Kd8 52.a4 Bf3 0–1. Fritz 5.32 – Crafty 19.01, 2004.

11.h3 Bd7 12.0-0 h6 13.Re1 Ne4 14.Qb3 Bc6 15.Be4 Qe4 16.c4 Nb6 17.Nbd2 Qe7 18.e4 Rfe8

19.Qd3 Rad8 20.a3 Bd7 21.Re2 c5 22.Rae1 cd4 23.Nd4 Qf6 24.Rd1 Na4 25.Qe3 Nc5 26.Nb5 Bc6 27.Nc7 Re7 28.Nd5 Bd5 29.cd5 b5 30.Rb1 a6 31.f4 Rde8 32.Rb4 Qf5 33.e5 Rc7 34.Ne4= Ne4 35.Qe4 Rc1 36.Kh2 Qc8 37.a4 Qc5 38.ab5 ab5 39.Re3 f5 40.Qd4+= Qd4 41.Rd4 Kf7 42.g4 fg4 43.hg4 Rc5 44.Kg3 Rc1 45.Re2 Kf8 46.Kf3 Rc3 47.Kf2 Rd8 48.e6 Ke7 49.Ra2+/– Rdc8 50.Rb4 Rc2 51.Rc2 Rc2 52.Ke3 Rc5 53.Ke4 g6 54.f5?? gf5-+ 55.gf5 Rc4 56.Rc4 bc4 57.Kd4 h5 58.Ke4 h4 59.Kf4 h3 60.f6 Kf6 61.Kg3 c3 (61...c3 62.Kh3 c2-+) 0–1. Fritz 8 – Crafty 19.01, 2004.

19.Qd3 Rad8 20.a3 Bd7 21.e5 d5 22.c5 Na4 23.Rec1 Rb8 24.Rab1 Qe6 25.Nf1 Bc6 26.Ne3 Rbc8 27.Qf5 b6 28.Qe6 Re6 29.cb6 Nb6 30.Rc5 Bb7 31.Rbc1 c6 32.Ra5 Ra8 33.Rb1 f6 34.Kf1 fe5 35.Ne5 Rf6 36.Nd7 Nd7 37.Rb7 Rf7 38.Raa7 Ra7 39.Ra7 Nf8 40.Ra8 Rf4 41.Nc2 c5 42.g3 Re4 43.f3 Re6 44.dc5 Rg6 45.Nd4 Rg3 46.c6 Rh3 47.Kg2 Rh4 48.c7 (48.c7 Rd4 49.c8Q+-) 1–0. Fritz 8 – Crafty 19.01, 2004.

19.Qd3 Rad8 20.Rab1 Bd7 21.a3 c5 22.Red1 Qf6 23.Rb2 Qf4 24.Re1 Qf6 25.Rb3 Ba4 26.Rbb1 Bd7 27.Nb3 cd4 28.Nbd4 Rc8 29.Rb4 Rc5 30.Nd2 Rh5 31.Nb5 Bb5 32.cb5 Nd5 33.Rb3 Nf4 34.Qf3 Qg5 35.Kh2 Ng2 36.Rg1 Nh4 37.Qg3 Qf6 38.b6 a5 39.Rd3 Re6 40.f4= Ng6 41.f5 Rg5 42.fe6 Rg3 43.ef7 Qf7 44.Kg3 Qf4 45.Kg2=+ Kh7 46.Kh1 Ne5 47.Rdg3 g6 48.R1g2 Kg7 49.Rc3 Kf6 50.Kg1 Qh4 51.Kf1 Ke6 52.Rf2 Nd7 53.Rff3 Qg5 54.Nc4 Qb5 55.Rfd3= Ne5 56.Rd6 Ke7 57.Rd4 g5 58.Ke2 Nc4 59.Rdc4 Qb6 60.Rc5 Qb2 61.Kd3 b5 62.Rc7 Kf6 63.R7c6 Kg7 64.e5 b4=+ 65.ab4 ab4 66.Rc7 Kg6 67.R3c6 Kf5 68.e6 Qb3 69.Kd4 Qd1 70.Kc5 b3 71.e7 Qe1 72.Rd7 Qe3 73.Kc4= b2 74.Rd5 Kf4 75.Rd4 Kg3 76.Rb6 b1Q 77.Rb1 Qe6 78.Kb5 Qe2 79.Kc6 Qe7 80.Rb3 Kf2 81.Rbd3 Qe6 82.Rd6 Qc4 83.Kd7 Qe4 84.R6d4 Qe5 85.Rd2= Kg3 86.R2d3 Kg2 87.Rd6 Qe4 88.Rd2= Kh3?? 89.R6d3+- Kg4 90.Rd4 Qf4 91.Rf4 gf4+/– 92.Rg2 Kf5 93.Rh2 Kg5 94.Rh3 h5 95.Ke6 Kg4= 96.Rd3 f3 97.Rd4 (97.Rd4 Kg3 98.Rd8=). Fritz 8 – Crafty 19.01, 2004.

19.Qd3 Rad8 20.Rab1 Bd7 21.Nb3 c5 22.a3 cd4 23.Nbd4 Rc8 24.Rb4 Qf6 25.Nd2 Rc5 26.N4b3 Rf5 27.Rf1 Rg5 28.f4 Rg6 29.c5 dc5= 30.Nc5 Bc6 31.f5 Rg5 32.Nf3 Qe7 33.Rc1 Rh5 34.Rd4 Qc7 35.e5 Qe7 36.Rc3 Bf3 37.Qf3 Qg5 38.e6+/– Qf6 39.Rf4 Re7? 40.Nd7!+- Qg5 41.Nb6 ab6 42.f6 gf6 43.Rg4 Rh4 44.Qf6 Kh7 45.Rg5 hg5 46.Rc8 Re8 47.Re8 fe6 48.Rh8# 1–0. Fritz 8 – Crafty 19.01, 2004.

19.e5 de5 20.Ne5 Qg5 21.Ndf3 Qf6 22.Nc6 bc6 23.Rab1 Qf5 24.c5 Nd7 25.Qb7 Rab8 26.Re8 Re8 27.Rb3 Nf8 28.Qc7 Re2 29.Rb8 Qe6 30.Ne5 Re1 31.Kh2 Re5 32.Qe5 Qe5 33.de5 g6 34.Rc8 (34.Rc8 Kg7 35.Rc6+-) 1–0. Fritz 8 – Crafty 19.01, 2004.

7.Bb5 Bd7

8.0-0 Re8 9.Bb4 Nb4 10.Bd7 Qd7 11.a3 Nbd5 12.c4 Nb6 13.Qb3 Qa4 14.Qa4 Na4 15.Ra2 Re6 16.d4 Rae8 17.h3 Ne4 18.Rc2 f5 19.Nbd2 Nac3 20.d5 Nd2 21.Nd2 (21.Nd2 Ne2 22.Kh2+-) 1–0. Husslein – Woschkat,Karl_Heinz, corr SOK–87–16, 1988.

8.Bb4 Nb4 9.Bd7 Qd7 10.Nc3 Rfe8 11.0-0 b6 12.Rb1 Nbd5 13.Nd5 Nd5 14.c4 Nf6 15.d3 a6 16.Qc2 b5 17.Rfc1 c5 18.cb5 ab5=+ 19.Rb3 b4 20.d4 Ra5 21.dc5 dc5 22.Rd1? Ra2!-+ 23.Qb1 Qa7 24.Rbd3 Qa5 25.Ng5 Ra3 26.e4? Rd3-+ 27.Qd3 c4! 28.Qc4 Qg5 29.Qb4 Ne4 30.Qc4 Nd2 31.Qb4 Nf3 32.Kh1 Nh4 33.g3 Ng6 34.f4 Qg4 35.Qa4 Qf3 36.Kg1 Qe3 37.Kf1 h5 38.f5 Nf8 39.Kg2 Qe2 40.Kh3 Re4 41.Qb3 Qg4 42.Kg2-+ h4 43.f6 h3 44.Kf1 Qe2 (45.Kg1 Qg2#) 0–1. Margareto,A – Capelles,R, Social Avinyo, 1996.

6.e4 0-0

7.Bb4 Nb4 8.a3 Nc6 9.Nc3 Re8 -/+.

7.Bb4 Nb4 8.d3 Re8 9.c3 Nc6 10.Nbd2 d5 11.Qb1 Bf5 12.Qb7 (12.Ng5!? Rb8 13.Be2-/+) 12...de4 -+.

7.Bb4 Nb4 8.d3 Re8 9.c3 Nc6 10.Be2 Qe7 (10...d5 11.ed5 Nd5 12.0-0=+) 11.0-0 d5 12.ed5 Nd5 (12...Qe2?! 13.dc6 Qb2 14.cb7 Bb7 15.Qb3 Qb3 16.ab3 Bf3 17.gf3=).

7.Bb4 Nb4 8.d3 Re8 9.Be2 Bg4 10.c3 Nc6 11.0-0 d5 12.Nfd2 Be2 13.Qe2 Qe7 14.Re1 de4 15.Ne4 Ne4 16.de4 Rad8 =+.

4...Be7

5.a3 0-0 6.e3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Be7 6.Nf3).

5.e3 0-0 6.Be2 c5 7.Bb2 Nc6 8.g4 (8.d4!?=) 8...d5 (8...Ng4 9.d4-/+) 9.g5 Ne4 10.h4 d4 11.d3 Nd6 12.ed4 cd4 (12...Qb6!? 13.Qc1 Nd4 14.Nd4 cd4-/+) 13.Nd4=+ Qb6 (13...Nd4 14.Bd4 Nf5 15.Bc3=+) 14.Nb3 Nf5 15.N1d2 Ncd4 16.Ne4 Be6 17.Rb1 Rad8 18.h5 Bb4 (18...Bd5 19.Nd4 Nd4 20.Bc3=) 19.Kf1 (19.c3 Nb3 20.ab3 Be7=) 19...Bd5 (19...Nb3!? 20.ab3 Bd5=) 20.Nd4 Nd4 21.Bf3 (21.Ba3 A) worse 21...Ne2 22.Qe2 (22.Bb4 Be4 23.Bf8 Qc6-+; 22.Rb4?! Qa5 23.Ke2 Qa3=) 22...Rfe8 23.f3+- (23.Rb4?! Qa5=); B) 21...a5 22.h6 Ba2 (worse 22...Ne2 23.Qe2 Rfe8 24.Bb4+/-) 23.hg7 Kg7+/-) 21...Nf3 (21...Ba2 22.Ra1 Bd5 23.h6=) 22.Qf3= Rfe8 (22...Ba2 23.Bg7 f5 24.Rb4 Qb4 25.Bf8 fe4 26.Bb4 ef3+/-) 23.Rh4 (23.Bg7 Be4 24.de4 Kg7 25.Qf6 Qf6 26.gf6 Kf6 27.Rb4 Rd1 28.Kg2 Rg8 29.Kh2 Rd2 30.Rb7 Rf2 31.Kh3 Rf3 32.Kh4 Rfg3 33.Rf1 Ke5 34.Rb5 Ke6=) 23...Qc6 (23...Ba2 24.Ra1 Bd5=) 24.h6?? (better 24.c4 Be4 25.Re4+=) 24...Qc2-+ 25.Bg7 (25.Qd1 Qd1 26.Rd1 Be4 27.hg7 Rd3 28.Rd3 Bd3 29.Kg2-+) 25...Qb1 26.Kg2 Be4 (better 26...Re6!? 27.Bf6 Rd7 28.Qg3-+) 27.Re4 Re4 28.Qf6 (28.Qe4 Bd2 29.g6 hg6 30.Bf6-+) 28...Be7 (28...Rg4 29.Kh3 Rd3 30.Kg4 Qg1 31.Kh4 Qh2 32.Kg4 Qg2 33.Kf4 Qf3 34.Ke5 Bc3) 29.Qf5 Qd3 (29...Rh4 30.Kg3 Qh1 31.Bd4 Bd6 32.f4 Bf4 33.Qf4 Qh2 34.Kf3 Rf4 35.Ke3 Qf2) 30.Bb2 Re6 (30...Qe2 31.Bc1 Rg4 32.Qg4 Qg4 33.Kh2 Rd3 34.Be3 Bd6 35.f4 Re3 36.g6 Rh3) 31.Qf4 Qd5 32.f3 Qg5 (32...Bd6 33.Be5 Be5 34.Qb4 Qa2 35.Qb2 Qb2 36.Kh3 Qh2 37.Kg4 Qg3 38.Kf5 Qf3) 33.Qg5 Bg5 34.Ba3 Bh6 35.Kg3 Bf8 (35...Rg6 36.Kh4 Rd1 37.Bd6 Rh1 38.Bh2 Rh2) 36.f4 Rg6 (36...Rd3 37.Kg4 Ra3 38.Kg5 Be7 39.Kf5 Ra5 40.Kg4 Re3 41.f5 Ra4 42.Kh5 Rh4) 37.Kf3 Ba3 38.f5 Rf6 39.Ke4 Rf5! 40.Kf5 (40.Kf5 h5 Passed pawn) 40...Rd2 (40...h5 41.Kg5 Rd5 42.Kf4 Rd4 43.Ke3-+) 41.Kg4 Ra2 42.Kf5 Bb2 43.Ke4 Ra1 44.Kd3 a5 45.Kc4 a4 46.Kb4 a3 47.Kb3 Rb1 48.Ka2 Rc1 49.Kb3 Rb1 (49...Rc3 50.Ka4 a2 51.Ka5 a1Q 52.Kb4 b6 53.Kb5 Qa5) 50.Ka2-+ Ra1 51.Kb3 a2 (51...Rc1 52.Ka4 a2 53.Kb4 a1Q 54.Kb5 Qa3 55.Kb6 Qa6) 52.Kc2 Rb1 (52...Rb1 53.Kd2 Bc1 54.Kc3 a1Q 55.Kd3 Qa3 56.Kd4 Rb5 57.Kc4 Rc5 58.Kd4 Qe3; 52...Rc1 53.Kd2 a1Q 54.Ke3 Qa3 55.Kf4 Rc4 56.Kg5 Qc5 57.Kh6 Bg7) 0-1. Banjovi (2455) - Ucitel (2495), Rated Bullet game, lichess.org, 2018.

5.e3 Nc6 6.Bb2 0-0 7.Be2 d5 8.0-0 b5 9.a4 ba4 10.Ra4 Rb8 11.Ra2 Bf5 12.d3 Be6 13.Nd4 Nd4 14.Bd4 c5 15.Bf6 Bf6 16.Ra7 Qb6 17.Ra3 Rfc8 18.Rb3 Qa5 19.Nd2 Bc3 20.Rb8 Rb8 21.Nf3 f6 22.h3 Rb2 23.Qc1 Qa2 24.Bd1 Rb1 25.Qb1 Qb1 26.e4 de4 27.de4 Qb4 28.e5 Bc4 Normal 0-1. svchess (2005) - Enchanting (2430), Rated Blitz game, lichess.org, 2015.

5.e3 d5 (--> 4...d5 5.e3 Be7).

5.g4 Nc6 6.Bb2 (6.Bf6 Bf6 7.d4 0-0-/+) 6...Ng4 7.Rg1 Nf6 (7...Bf6 8.Bf6 Qf6-/+ (8...Nf6?! 9.Rg7 Ne4 10.d4=)) 8.Rg7= d5 9.Nc3 (9.Ng5 Bf8 10.Rf7 d4=+) 9...Be6 10.Nb5 a6 11.Nbd4 Nd4 12.Bd4 c5 13.Be5 Bd6 14.Bb2 Qe7 15.Rb1 d4 16.c3 (16.a3 Ba2 17.Ra1 Bd5=+) 16...dc3 (16...Ba2 17.Qa4 Kf8 18.Qa2 Kg7 19.cd4-/+) 17.Bc3 0-0-0 (17...Ba2!? 18.Rb6 Bd5 19.Qa4 Nd7-/+) 18.Qa4 (18.Qc2 Rhg8 19.Bf6 Qf6+=) 18...Nd5= 19.Ba1 (19.Ba5 Rdg8 20.Rg8 Rg8=) 19...Qd7 (19...Nb4 20.Kd1=+) 20.Qh4 (20.Qd7 Rd7 21.Rf7 Re8 22.Rd7 Bd7=) 20...Rhg8 (20...Ne7 A) 21.Rh7? Rh7 22.Qh7 Bf5-+ (22...Ba2?! 23.Rc1=); B) 21.Qh5=) 21.Qh7 (worse 21.Rh7 Bf5 22.Rc1 Rg4=+) 21...Rg7 22.Qg7 (22.Bg7? Bf5 23.Bh3 Bh3-+) 22...b5 23.Bg2 (23.a4 b4+=) 23...Nb6 (better 23...Nf4 24.Rc1 Bg4-/+ (worse 24...Ng2 25.Qg2 Ba2 26.Bd4=)) 24.Ne5?? (better 24.Bf6 Re8 25.d4+/-) 24...Be5-+ 25.Bb7 (25.Qg5 f6 26.Qe3-+) 25...Kb7 26.Qe5 (26.Qg2 Bd5 27.Qg5-+) 26...Qd2 27.Kf1 Qd6 (27...Bh3 28.Kg1 Qd1 29.Rd1 Rd1) 28.Qd6-+ Rd6 29.h4 Bh3 30.Kg1 Rg6 31.Kh2 Bf5 (31...Be6 32.Rc1 Kc6 33.Rc2-+) 32.Rd1 (32.Rc1 Kc6 33.f3 Rd6-+) 32...Kc6 33.Be5 Nc4 (33...Re6 34.f4-+) 34.Bf4 Nd6 (34...Rg4 35.Bg3-+) 35.h5 (35.f3-+) 35...Rg4 (better 35...Re6-+) 36.Rd6=+ Kc7 37.Rd4?? (37.Be5 Kb7 38.h6 Re4=) 37...Kc6 38.f3?? (38.Rd6 Kb7 39.Be3 Rh4 40.Kg3 Rh5 41.Bc5 Be6=+) 38...cd4 (better 38...Rh4 39.Kg3 Rh3 (39...cd4 40.Kh4 f6 41.e3+=) 40.Kg2 cd4-+) 39.fg4=+ Bg4 40.h6 Bf5 (40...Be2?? 41.h7 Kd5 42.h8Q+-) 41.Kg3 Kd5 (41...b4 42.Bd2 Kc5 43.e3 de3 44.Be3 Kd5 45.Kf4=+) 42.Bg5 Bg6 43.Kf4 Kc4 Black intends d3 44.Bf6 (44.Ke5 a5 45.Bd8 a4-/+) 44...d3 (better 44...a5!?-/+) 45.ed3= Kd3 46.Kg5 Kc4 47.Be7 a5 (47...b4=+) 48.Kf4 (better 48.a3!?=) 48...b4-/+ 49.Ke3 a4 Black plans b3 50.Kd2 b3 51.ab3 ab3 (51...Kb3!? 52.Bf6 a3-/+) 52.Kc1 Bh7 53.Kb2 f5 54.Bf6 (54.Bd6!?-/+) 54...f4-+ 55.Bh4 f3 56.Bf2 Kd3 (better 56...Bg8-/+) 57.Kb3= Ke2 58.Bd4 f2 59.Bf2 Kf2 60.Kc4 Kf3 61.Kd5 Kf4 62.Ke6 Kg5 63.Kf7 Kh6 ½-½. FeegLood (2645) - SaSY18 (2335), lichess.org, 2015.

5.e3 c5

6.Bb5 Nc6=.

6.c4 Nc6 7.Bb2 0-0 8.Be2 d5 9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0-0 Nc6 9.Bb2).

6.d4 Nc6 (6...d6 7.Bg3=) 7.Bd3=+ d5 8.dc5 Ne5 9.Ne5 0-0 (9...Qc7 10.Nf3=) 10.0-0 (10.c6 b6=) 10...Bc5=+ 11.Nc3 a6 12.Ne2 Re8 13.Nf3 Bg4 14.Ng3 Ne4 15.Ne4?? de4-+ 16.h3 Bf3 17.gf3 ed3 18.cd3 Qh4 19.f4 Qh3 20.Re1 Re6 21.Qe2 Rg6 (21...Rg6 22.Qg4 Rg4) 0–1. guest1180 – guest1055, ICS blitz, 2000.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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