4.a4 a5 5.e3 cb5 6.ab5 Bc5 7.Nf3 b6 (7...d5 8.Be2=) 8.c4 (8.Be2 0-0=) 8...d5 (8...0-0 9.d4 Bb4 10.Nbd2=) 9.Be2 (9.cd5 ed5 10.Be2 0-0=) 9...0-0 10.0-0 Ne4 (10...dc4 11.Bc4 Bb7 12.d3=) 11.d3 Nd6 (11...Nf6 12.Nbd2+=) 12.cd5 ed5 (12...Nb5? 13.d4 Nd4 14.ed4+-) 13.d4 (13.Qa4 Be6+=) 13...Bb4 14.Ne5 (14.Bc3 Bc3 15.Nc3 Ne4+=) 14...Bb7 (14...Ne4 15.Bd3+=) 15.Qc2 (15.Bc3 Bc3 16.Nc3 Ne4+=) 15...Nd7 (15...Ne4 16.Ba3 Ba3 17.Ra3+=) 16.Nc6 (16.Nd3 Qe7 17.Nb4 ab4+/-) 16...Bc6+= 17.bc6 Nf6 18.Nc3 (18.Rc1 b5 19.c7 Qe7+=) 18...Bc3 19.Bc3 (19.Qc3 Qc7+=) 19...Qc7 (better is 19...Rc8=) 20.Qa4 (20.Bb2 Rfc8 21.Rfc1 b5+=) 20...Rac8 (20...Rfc8 21.Rfc1 Qc6 22.Qd1-/+) 21.Bb2 (21.Ba6!?=) 21...Qc6-/+ 22.Rfc1 (better is 22.Qa2!?-/+) 22...Qa4–+ 23.Ra4 Rc1 24.Bc1 Nfe4 (24...Rc8 25.Ra1–+) 25.Ba3 (25.Ra1 Ra8–+) 25...Nc3 (25...Rc8!? 26.Ba6 Rc6 27.Bd6 Rc1 28.Bf1–+) 26.Bd6 Na4 27.Bf8 Kf8 28.f3 (28.Bd3 Nc3–+) 28...Nc3 29.Bd3 h6 (29...a4 30.Bc2–+) 30.e4 Ke7 (30...a4!? 31.Bc2–+) 31.ed5 (31.Kf2 a4 32.ed5 Kd6–+) 31...Nd5 (31...Kd6 32.Kf2 a4 33.Ke3–+) 32.Kf2 Kd6 (32...a4 33.Bc4 Nb4 34.Ke3–+) 33.Ke1 (33.Bb5 Nc3 34.Bc4 a4–+) 33...Nf4 34.Bb5 (34.Bc4 Ng2 35.Kf2 Nh4–+) 34...Ng2 35.Ke2 (35.Kd2 Nh4 36.Be2 b5–+) 35...Nf4 (better is 35...Kd5!? 36.Kf2 Nh4 37.Be8–+) 36.Ke3 g5 37.Ke4 f6 38.Be8 (38.Ba4 Nd5 39.Kd3 Nc7–+) 38...Ne6 39.Bf7 (39.Kd3 Nc7 40.Bf7 b5–+) 39...b5 (better is 39...a4 40.Kd3–+) 40.d5 (40.Be8 Nc7 41.Bf7 a4–+) 40...Nc5 41.Kf5 (41.Kd4 a4 42.Kc3 a3–+) 41...Nd7 (better is 41...a4!? 42.Kf6 a3 43.Kg6–+) 42.Be6 (42.Ke4–+) 42...b4 (42...a4 43.Bd7 Kd7 44.Kf6–+) 43.Bd7 (43.Ke4 a4 44.Bd7 a3–+) 43...Kd7 44.Kf6 (44.Ke4 f5! 45.Kd4 a4–+) 44...b3 (44...b3–+) 0–1. GuestVPGH – Fullball, freechess.org, 2018.

4.a4 d6 5.e3 Bd7 (5...Be7 6.Nf3=) 6.c4 (6.Nf3 Be7=) 6...d5 7.Nf3 h6 (7...a6 8.cd5 Nd5 9.Nc3=) 8.Be2 Be7 (8...dc4 9.Bc4 a6 10.ba6 Na6 11.0-0=) 9.0-0 0-0 10.Ne5 Ne4 (10...dc4 11.Bc4 a6 12.ba6 Na6 13.d4=) 11.Nd7 (11.d3 Nf6+=) 11...Nd7 12.d3 Ng5 13.Nd2 Bf6 14.d4 c5 15.Qc2 (15.f4 Nh7+=) 15...cd4= 16.ed4 Rc8 (16...dc4 17.f4 c3 18.Qc3+=) 17.Rac1 (17.f4 Nh7 18.c5+=) 17...Ne4 (better 17...dc4!? 18.Nc4 Nb6=) 18.Ne4+- de4 19.Qe4 (19.Rcd1 Qe7+-) 19...Nb6 (19...Nc5!? 20.dc5 Bb2+-) 20.Qb7+- Rc7 (20...Na4 21.Ba3 Re8 22.Qa6+- (22.Qa7?! Nc3 23.Rc3 Bd4+=)) 21.Qe4 Na4 22.Ba1 Nb6 23.Bd3 g6 24.Rc2 (24.Rfe1!?+-) 24...Rd7+- 25.c5 Nd5 (25...Bd4 26.Be2 Ba1 27.Ra1+- (27.cb6?! Bd4+=)) 26.c6 (26.Rd1 Nb4 27.Rc4 Nd3 28.Qd3 Rb7+-) 26...Rc7 27.Bb2 Nb4 28.Rd2 (28.Rcc1 Nd3 29.Qd3 Qd5+-) 28...Bg5 (28...Nd3 29.Rd3 Qb8 30.Ba3+-) 29.f4 (29.Rdd1 Nd5+-) 29...Nd3 (29...Bf6 30.Bc4+-) 30.Qd3 Bf6 31.d5 (31.Ba3 Be7+-) 31...Bb2 (31...ed5 32.Be5 Be5 33.fe5+-) 32.d6 (32.Rb2?! Qd5 33.Qd5 ed5+-) 32...Rc8 (32...Bf6 33.dc7 Qc7 34.Qc4+-) 33.Rb2 Rc7 (33...Qb6 34.Rff2 Rfd8+-) 34.Rd1 Rc8 35.d7 Rc7 36.Ra2 f5 (36...g5 37.fg5 hg5 38.Qe3+-) 37.Qd6 Kf7 (37...Kg7+-) 38.Re1 Re8 (38...e5 39.fe5 Kg7+-) 39.de8Q (39.de8Q Qe8 40.Qc7 Qd7 41.Qd7 Kf8 42.Qd8 Kf7 43.Ra7) 1–0. GuestJSZB – GuestQCGG, freechess.org, 2019.

4.Nc3 cb5 5.Nb5 a6=+.

4.Nc3 Be7 5.e3 cb5 6.Bb5 0-0 7.Nf3 a6 8.Bd3 d6 9.0-0 Nc6 10.Qe2 b5 11.Ne4 Ne4 12.Be4 Bd7 13.Nd4 Rc8 14.Bc6 Bc6 15.a4 Bb7 16.ab5 ab5 17.Bc3 Bf6 18.Nb5 Qb6 19.Bf6+- gf6 20.Nd4 f5 21.Rfb1 Qc7?! 22.Ra7 Rb8 23.Qb5 (23.Qb5 e5 24.Nf5+- (24.Rb7?! Rb7 25.Qb7 Qb7 26.Rb7 ed4+-)) 1–0. gtate (2475) – bredrook (2275), net–chess.com, 2007.

4.c4 Qa5 5.Bf6 gf6 6.e3 f5 7.Nc3 Bb4 8.Qb3 Rg8 9.g3 a6 10.a3 Bc3 11.dc3 ab5 12.cb5 Rg4 13.bc6 bc6 14.Nf3 Ra4 15.Be2 Ra3 16.Ra3 Qa3 17.Qa3 Ra3 18.c4 Ra1 19.Bd1 Ba6 20.Nd2 d5 21.cd5 cd5 22.Nb3 Rb1 23.Kd2 Bc4 24.Na5 Rb2 25.Kc3 Rf2 26.Nc4 dc4 27.Kc4 Nd7 28.Ba4 Ke7 29.Kd4 e5 30.Kc3 Nc5 31.Bc6 Re2 32.Kc4 Kd6 33.Be8 Re3 34.Bf7 Ne4 35.Rd1 Ke7 36.Bg8 h6 37.Rd5 Nf6 38.Re5 Re5 0–1. Abdullaevich (1770) – Heartless_MF (1735), lichess.org, 2018.

4.c4 b6 5.e3 Bb7 6.Nf3 d5 7.Be2 Be7 8.0-0= 0-0 9.d4 dc4= 10.Bc4 cb5 11.Bb5 Nc6 12.Nbd2 a6 13.Ba4 b5=+ 14.Bc2 Nb4 15.Bb1 Rc8 16.a3 Nbd5-/+ 17.Qb3 Nb6 18.Bd3 Na4 19.Bc1 Bd5 20.Qd1 Nc3 21.Qe1 Nfe4 22.Ne4=+ Be4 23.Be4 Ne4 24.Nd2 Nc3 25.Nb1 Na4 26.Bd2 Rc4 27.Ba5 Qd7 28.Nc3 Nc3 29.Bc3 Rfc8 30.Ba5 Qc6 31.Qb1 Bd6 32.g3 e5 33.de5 Be5 34.Ra2 g6 35.Rd1=+ Qf3 36.Qd3 Bc3 37.Bc3=+ Rc3 38.Qd2 Qd1 39.Qd1=+ Rc1 40.Qc1 Rc1 41.Kg2 Rc3 42.Kf3 Kg7 43.Ke2 h5 44.h4 Kf6=+ 45.Kd2 Rc6 46.Kd3 Ke5 47.f3 Rc4 48.Rb2= Kd5 49.e4 Kc5=+ 50.g4 Ra4 51.Rc2 Kd6 52.Rc3 Ke5 53.gh5= gh5 54.Ke3 Kf6 55.Kf4 Kg6 56.Ke5 a5 57.Rb3 b4 58.ab4 ab4 59.Kf4 Kf6 60.e5 Ke6 61.Ke4 f5 62.ef6 Kf6= 63.Kf4 Kg6 64.Ke4 Kf6 65.Ke3?? Ra3–+ 66.Rd3 Kf5 67.Kd2 Rd3 68.Kd3 Kf4 69.Kc4 Kf3 70.Kb4 Kg3 71.Kc3 Kh4 0–1. Bartle,Georg – Jahr,Dieter (1855), GER–chA Seniors, 2004.

4.c4 c5 5.e3 a6 6.a4 ab5 7.ab5 b6?? (better is 7...Ra1 8.Ba1 d5=) 8.Ra8+- (8.Ra8 Bb7 9.Bf6 gf6 10.Ra7+-) 1–0. GuestZFVQ – GuestLXWD, freechess.org, 2018.

4.c4 Ne4 5.Nc3= Nc3 6.Bc3 Qe7 (6...d5 7.e3=) 7.Nf3+= Qc5 (7...d5 8.e3+=) 8.e3 f6 (8...d5 9.Bd4 Qa3 10.Qc2+=) 9.Be2 (9.a4 Qh5+=) 9...Bd6 (9...d5 10.d4 Qa3 11.Qc2+=) 10.d4 (10.a4 Bc7+/-) 10...Qf5 (10...Qa3 11.Qd2+/-) 11.Bd3 (11.0-0 Bc7+/-) 11...Qg4 (11...Qh5 12.Rb1+/-) 12.0-0 cb5 (12...Bc7 13.Qc2+/-) 13.h3 (13.cb5 0-0+/-) 13...Qh5 14.cb5 Ba3 (14...Be7!?+/-) 15.Qa4 Be7 16.Bb4 Bb4 17.Qb4 a6 18.Rac1 Kf7 (18...Kd8 19.Qa5 Ke7 20.Rc7+-) 19.Rc5 ab5 (19...d5 20.ba6 ba6 21.Rc8 Rc8 22.Qb7 Nd7 23.Qd7 Kf8 24.Qe6 Qf7 25.Qd6 Kg8+-) 20.Rh5 1–0. DEFFM – GuestZBCS, freechess.org, 2018.

4.c4 Rg8 5.e3 Bb4 6.a3 Ba5 7.Nf3 b6 8.Be2 c5 (8...a6 9.0-0+=) 9.0-0 Bb7 10.d4 d5 11.dc5 bc5 12.Ne5 Nfd7 13.Nc6 (better is 13.Qc2+/-) 13...Nc6+= 14.bc6 Bc6 15.Bf3 (15.cd5 Bd5 16.Nc3 Bc3 17.Bc3 Qg5+=) 15...Nb6 (15...Rb8 16.cd5 Bd5 17.Bd5 ed5 18.Bc3 Bc3 19.Nc3=) 16.cd5+= Nd5 (better is 16...Bd5!? 17.Bc3 Bc3 18.Nc3 Qg5=) 17.Qc2+= Bb6 (17...Qb6!?+=) 18.Qh7+/- Kf8 19.Nd2 (better is 19.Be5+/-) 19...Nf6? (better is 19...Qg5!?+=) 20.Bf6+- gf6 21.Bc6 Qd2 (21...Rc8 22.Ne4 Rc6 23.Rfd1+-) 22.Ba8 c4 (22...Qd8 23.Bc6 Qc8 24.Qe4+-) 23.Rad1 Qe2 (23...Qb2 24.Rd7 Rg7 25.Qh8 Rg8 26.Qh6 Rg7+-) 24.Rd7 Rg7 25.Qh8 Rg8 26.Qh6 Ke8 27.Bc6 Rg6 28.Qh8 (28.Qh8 Rg8 29.Qg8; 28.Ra7 Kd8 29.Qf8) 1–0. DEFFM – GuestYCTG, freechess.org, 2018.

4.bc6 dc6 5.e3 b5 6.Be5 Nbd7=+ 7.Bg3 Bb7 8.Nf3 g6 9.Be2 Bg7 10.Bd6?? Nb6 11.Bc5 Na4 12.Ba3 Nd5 13.c3= Nac3 14.dc3+/- Nc3 15.Qd8 Rd8 16.Bb2 b4 17.Nc3 bc3 18.Ba3 Rd2? 19.Nd2+- cd2 20.Kd2 Ba1 21.Ra1 f5 22.Rb1 (22.Rb1 Bc8 23.Rb8+-) 1–0. pinecrest1981 – denys, Live Game Caissa's Web, 2006.

4.d4 cb5-/+ 5.c4 bc4-+ 6.e4 Ne4 7.Bc4 d5 8.Bb5 Bd7 9.Bd3 Nc6 10.Nf3 Be7 (10...Bb4 11.Kf1-+) 11.Be4 de4 12.0-0?? (12.Ne5-+) 12...ef3 (12...Qb6 13.Nfd2 Qb2 14.Nb3-+) 13.Re1 (13.Qf3 Qb6 14.Qb3 Qb3 15.ab3 Nb4-+) 13...fg2 14.Qf3 (14.d5 Nb4 15.Nc3 Rc8-+) 14...0-0 (14...Qb6!? 15.Bc3 Nd4 16.Qd1-+) 15.Qg2 (15.d5 ed5 16.Qd5 Bh3-+) 15...Bf6 16.f3 (16.Nd2 Bd4 17.Rab1 Bb2 18.Rb2 Nd4-+) 16...Ne7 (16...Nd4 17.Nc3-+) 17.Re4 (17.Nd2 Bc6-+) 17...Nf5 18.Rg4 (18.Nd2 Bc6 19.Ree1 Nd4-+) 18...Ne3 19.Qg3 Ng4 20.Qg4 e5 21.Qg3 ed4 (21...Qb6 22.Qf2 ed4 23.Na3-+) 22.Nd2 Qb6 23.Ne4 (23.Rb1 Bf5 24.Ne4 Be4 25.fe4 d3 26.Qf2 Qb4-+) 23...d3 24.Kh1 Bb2 25.Rb1 Bf5 (better 25...Rac8 26.Qg5-+) 26.Nf6 Qf6 27.Rb2 Qb2 28.h4 Qc1 29.Kh2 d2 30.Qf4 (30.Qd6 Rfe8 31.Qd4 Re2 32.Qf2 Rf2 33.Kg3 d1N 34.a3 Qc7 35.f4 Qf4) 30...d1Q 31.Qf5 (31.Qc1 Qc1 32.Kg2 Rae8 33.Kg3 Qe1 34.Kf4 Qh4 35.Kf5 g6) 31...Qh1 (31...Qg1 32.Kh3 Qcf1) 32.Kg3 Qcg1 (32...Qhg1 33.Kh3 Qcf1) 33.Kf4 Qh4 34.Qg4 g5 (34...Qd4 35.Kf5 Qhf6) 35.Kf5 (35.Ke4 Rfd8 36.Qh4 Qd4 37.Kf5 Rd5) 35...Qc5 36.Ke4 Rfe8 (36...Qe1 37.Kd3 Qcc3) 37.Kd3 Rad8 38.Qd4 (38.Qd7 Rd7) 38…Qhd4 0-1. FireWorks (1840) - BeepBeepImAJeep (2630), Hourly Bullet Arena, lichess.org, 2017.

4.e3 Bb4 5.c3 Ba5 6.bc6 bc6 7.Ba3 d6=+ 8.Nf3 0-0 9.Nd4 c5 10.Nb3 e5 11.Na5 Qa5 12.Be2 Nbd7 13.0-0 Ba6 14.Ba6 Qa6=+ 15.d4 Rab8 16.de5 de5-/+ 17.Nd2?? Qa3–+ 18.c4 Rb2 19.Nf3 Ra2 20.Ra2 Qa2 21.e4 Qc4 22.Nd2 Qb4 23.Qc2 a5 24.Rb1 Qd4 25.Kh1 Ng4 26.h3 Nf2 27.Kh2 Nf6 28.Nb3 Qe4 29.Qa2 Qf4 30.Kg1 Nh3 31.gh3 Qg3 32.Kf1 Qh3 33.Ke1 Qh1 34.Ke2 Qg2 35.Kd1 Qa2 36.Kc1 Qa3 37.Rb2 Rb8 38.Kb1 Rb3 (38...Rb3 39.Rb3 Qb3 40.Kc1 Qe3 41.Kc2 a4 42.Kb2 Qd2 43.Kb1 a3 44.Ka1 Qb2#) 0–1. pinecrest1981 – 26i4u8, Live Game Caissa's Web, 2006.

4.e3 b6 5.bc6 Nc6 6.g3 Bb7 (6...Bb7 7.Nf3 Bc5=+). Ridgereeno – tradicio, ChessWorld.net, 2005.

4.e3 Bc5 5.Nf3 cb5 6.Bb5 Qb6 7.Nc3 Bb4 8.Ba4 0-0= 9.0-0 Nc6 10.a3 Ba5 11.d4?? Re8?? 12.Nd2?? Qb2-/+ 13.Nb5 a6 14.Nc4 Qa1! 15.Qa1 ab5 16.Bb5 Bc7 17.h3 Na5 18.Ne5 Be5 19.de5= Nd5 20.e4 Nc7=+ 21.c4 Nb5 22.cb5= Nc4 23.a4 Nd2 24.Re1 Nb3 25.Qc3+= Na5 26.f4 Ra7 27.f5 ef5 28.ef5 d6?? 29.g4 de5 30.Re5 Rd8?? 31.Qd4!! (31.Qd4 Rf8 32.Qa7+-) 1–0. gtate (1960) – flaviolucas (2100), net–chess.com, 2006.

5.bc6 Nc6+= 6.Nf3 Be7 7.e3 0-0 8.Be2 Qc7 9.0-0 Bb7 10.d4 Rfe8 (10...Rfc8 11.Nbd2=) 11.Nbd2 (11.c4 Rec8=) 11...a6 12.c4 Bf8 (12...Rac8 13.e4=) 13.h3 Rac8 14.Nh2 (14.d5 ed5 15.Bf6 gf6 16.cd5 Nb4=) 14...d5 15.cd5 Nd5 16.Ndf3 (16.Nhf3 Bb4=) 16...f6 17.Rc1 Qf7 18.Nd2 Ncb4 19.Qb3 Qg6 (19...Bc6 20.Ba3+=) 20.Bf3 (20.Nhf3 Bc6=) 20...Kh8 (20...Qd3 21.Qd1+=) 21.Nc4 (21.Be4 f5 22.Bf3 b5=) 21...Ba8 (21...Qd3!? 22.Bd1 Rc7-/+) 22.e4 Nf4 (better is 22...b5 23.ab5 ab5+=) 23.Kh1?? (better is 23.Nb6!? Nh3 24.Kh1 Rc1 25.Bc1+=) 23...b5 (better is 23...Nbd3!? 24.Rce1 f5-/+) 24.Nb6+= Rc1 (24...ba4 25.Qe3 (worse is 25.Qa4 Bc6 26.Qd1 Rb8–+) 25...Rc1 26.Bc1+=) 25.Bc1= Nbd3 (25...ba4!? 26.Qc4 Nbd3 27.Bf4 Nf4=) 26.Na8 Ra8 27.Be3 (better is 27.ab5 ab5 28.Qb5 Nc1 29.Rc1+/-) 27...h5? (better is 27...ba4 28.Qa4 e5+=) 28.g3+- Nf2 29.Bf2 Nh3 30.Kg2?? (30.Be3 Ng5 31.Bg5 Qg5 32.Qe6 Rd8+-) 30...Ng5? (better is 30...Nf4! 31.Kg1 Nh3 32.Kh1 Nf2 33.Rf2 Qg3+/-) 31.e5 (31.ab5 Rb8+-) 31...Re8 (better is 31...ba4 32.Qa4 Nf3 33.Nf3 f5+-) 32.ab5 ab5 33.Qb5 h4 (33...Rc8 34.ef6 gf6 35.Bc6+-) 34.Qb1 (34.gh4 Nf3 35.Kf3 Ra8 36.ef6 gf6+-) 34...f5 (34...h3 35.Kh1 Qb1 36.Rb1 fe5 37.de5+-) 35.Rh1 (35.gh4 Nf3 36.Kf3 Qh5 37.Kg2 Qg6 38.Kh1 Ra8+-) 35...Kg8 (35...Rc8 36.Be2+- (36.gh4 Nf3 37.Kf3 Qh5 38.Kg2 Qg6 39.Kf1 Qe8+-)) 36.Qd1 (36.Bc6 hg3 37.Bg3 Rd8+-) 36...h3 37.Kg1 Rb8 38.Bh5 Qh7 39.Be2 g6 (39...Ne4 40.Qd3+-) 40.Nf3 Qb7 41.Nh4 (better is 41.Be3!? Qe4 42.Bg5 Rb1 43.Qb1 Qb1 44.Bf1 Qb7+-) 41...Kg7 (better is 41...Qb1 42.Qf1 Qe4+/-) 42.Nf3?? (better is 42.Bd3+-) 42...Qe4-/+ 43.Kh2? (better is 43.Qf1 Qf3 44.Kh2–+) 43...Rb1?? (better is 43...Rb2 44.Kg1 Rb1 45.Qb1 Qb1 46.Ne1 Bb4–+) 44.Qb1+- (44.Ng5?? Qg2) 44...Nf3 45.Bf3 Qf3 46.Qf1 g5 47.Be1 (47.Kh3 Bb4+-) 47...Qh5 (47...Qf1 48.Rf1 g4 49.d5 ed5 50.Rf5+-) 48.Qh3 Qe2 49.Qg2 Qg4 (49...Qg2 50.Kg2 Be7 51.Bd2+-) 50.Kg1 (better is 50.Qb7 Kg6 51.Bf2 f4+-) 50...Qd4 51.Kh2 (51.Kf1 Qe5 52.Qc6 Qd6 53.Bc3 e5 54.Qb7 Be7+-) 51...Qe5 52.Bf2 Kg6 (52...f4 53.Re1 Qf6 54.Qb7 Kg8 55.Qd7+-) 53.Re1 Qd6 54.Qf3 e5 55.Rc1 (55.Qb3 Bg7+-) 55...e4 56.Qc3 Kh7 (56...f4 57.Qc8 Kg7 58.Rc6+-) 57.Qc7 (57.Qc8 Qf6 58.Rc7 Kg8 59.Rb7+-) 57...Kg8?? (57...Qc7 58.Rc7 Kg6 59.Rc6 Kf7+-) 58.Qd6 (better is 58.Qc4 Kg7 59.Bd4 Kh6 60.Rh1 Qd4 61.Qd4+-) 58...Bd6 59.Rc6 Be7 (59...Bb4 60.Be3 Kg7 61.Bg5+-) 60.Rc8 (better is 60.Bc5 Bc5 61.Rc5+-) 60...Kf7 61.Be3 Ke6 62.Kg2 Kd7 63.Rg8 g4 (63...Ke6 64.Rg6 Kf7 65.Ra6+-) 64.Kf2 Ke6 65.Ke2 Bf6 66.Bf4 Kf7 67.Ra8 Bb2 68.Ra6 Bd4 69.Kd2 Bc5 70.Be3 (70.Be5 Be7+-) 70...Bd6?? (70...Bb4 71.Kc2 Be7+-) 71.Rd6 1–0. zabazaba – palmpalm (1635), gameknot.com, 2013.

5.e3 a6 6.Nf3 (6.Nc3 d5=) 6...ab5= 7.ab5 Ra1 8.Ba1 cb5 9.Bb5 Ba6 (9...Be7 10.Nc3=) 10.Ba6 (10.Nc3 Bb7+=) 10...Na6 11.0-0 Nb4 (11...Be7 12.Be5+=) 12.c4 Qc7 13.Qb3 Nc6 14.Bf6 gf6 15.d3 Ne5 16.Ne5 fe5 17.Nc3 f5 18.Ra1 Qb8 (18...Rg8 19.g3+-) 19.Na4 (better 19.Nb5 Ke7 20.Ra7+-) 19...Bc5?? (better 19...Rg8+-) 20.Nc5+- Qd6 (20...Ke7 21.Na4 Qa7+-) 21.Ra8 Ke7 (21...Kf7 22.Rh8 Kg7 23.Nb7+-) 22.Rh8 Qc5 23.Rh7 Kd6 24.h4 b5 25.Qb5 Qb5 26.cb5 f4 27.b6 Kc6 28.b7! Kb7 29.Rd7 Kc6 30.h5 (30.Ra7 e4+-) 30…fe3 1–0. GuestVQLL – GuestXJCC, freechess.org, 2019.

5.e3 Bb7 6.Nf3 Bb4 7.Be2=.

5.e3 Bb7 6.Nf3 c5 7.Be2 Be7 8.0-0 0-0 9.c4 d5 10.a5 Nbd7 11.a6 Bc8 12.Nc3 dc4 13.Bc4 Qc7 14.Qc2 Ne5 (14...Rb8 15.h3+-) 15.Ne5 Qe5 16.Nd5 Qd6 17.Ne7 Qe7 18.f4 Nd7 (18...Ne8 19.Bd3 g6 20.h4+-) 19.Rf3 (19.Qe4 Rb8+-) 19...e5? (better 19...Nf6+-) 20.Qe4 Rb8 (20...Nf6 21.Qa8 Be6 22.Qb7 Qb7 23.ab7 Bc4 24.Be5+-) 21.fe5 Kh8 (21...Nf6 22.Rf6 Be6+-) 22.Bd3 g6 23.e6 Kg8 24.ef7 (24.ef7 Qf7 25.Bc4 Nf6 26.Rf6 Be6 27.Be6 Rfd8 28.Rf7 Rb7 29.ab7 Rd4 30.b8Q Rd8 31.Qd8) 1–0. DEFFM – Anglachel, freechess.org, 2019.

5.e3 Bb7 6.Nf3 Be7 7.Be2 (7.Bd3 0-0=) 7...0-0 8.0-0 d5 (8...a6 9.Nc3=) 9.c4 (9.d4 a6=) 9...cb5 (9...a6 10.d3=) 10.ab5 (10.cb5 a6=) 10...Nbd7 (10...a6 11.d3=) 11.d4 (11.cd5 Nd5 12.d4=) 11...Rc8 (11...a5 12.ba6 Ra6 13.Ra6 Ba6 14.cd5 Be2 15.Qe2 ed5 16.Nc3=) 12.Nbd2 (12.Ra7 Rc7+/-) 12...Ne4 (better is 12...dc4!? 13.Qc2 c3 14.Bc3 Nd5=) 13.Ra7+/- Ba8 (13...Nd6 14.Ba3 Ra8 15.Ra8 Ba8 16.cd5 Bd5 17.Bd3+/-) 14.Qa1 (14.Ne4 de4 15.Nd2 Rc7+-) 14...Ndf6 (14...Rc7 15.Rc7 Qc7 16.Ba3 Ba3 17.Qa3 dc4 18.Bc4+/-) 15.Rc1+- Bb4 16.Ne4 Ne4 17.Ne5 (17.Ba3 Ba3 18.Qa3 dc4 19.Rc4 Rc4 20.Bc4 Nd6+/-) 17...Qh4 18.Rf1 (better is 18.g3!? Qd8 19.Nd7+-) 18...Nd2+= 19.g3 (19.Nd7 Nf1 A) worse is 20.Kf1 Qh2 21.Bf3 dc4 22.Ba8 Qh1 23.Ke2 Qa1 24.Ra1 Ra8 25.Nf8 Ra1 (worse is 25...Rf8 26.Ra4 Be7 27.Rc4+/-) 26.Ba1 Kf8-/+ (26...Bf8?! 27.Kd2=); B) 20.Nf8?? Qh2 21.Kf1 Qh1; C) 20.Bf1+-) 19...Qg5 (19...Qh3 20.Qa4 Ba5 21.Rc1 (21.Ra5?! ba5 22.c5 Nf1 23.Bf1 Qh5=) 21...dc4 22.Nc6+=) 20.Rc1 (20.Nd7 dc4 21.Nb6 Bf3=) 20...f6? (better is 20...Nb3 21.Qa4 Nc1 22.Bc1 Bd6+=) 21.Nd7+- Rfd8? (better is 21...dc4 22.Nb6 Bf3 23.Bc4 Rc4 24.Nc4 Nb3+-) 22.Nb6 Nc4 (22...Nb3 23.Qa4 Nc1 24.Bc1 Rb8 25.Na8 Bc3+-) 23.Nc8 (23.Nc4?! dc4 24.Bc4 Bd5 25.Bd5 Qd5+-) 23...Nb2 (23...Bb7 24.Rb7 Rc8 25.Bc4 dc4 26.Rc4 Rc4 27.Qa8 Bf8+-) 24.Qb2 Bd6 1–0. GuestGVBP – kurtttz, freechess.org, 2016.

5.e3 c5 6.Nf3 Bb7 7.Be2 d6 8.0-0 Nbd7 9.d4 (9.a5 ba5 10.Bc3 Be7=) 9...Be7= 10.c4 0-0 11.Nbd2 d5 (11...Qc7 12.Bd3=) 12.Qc2 Rc8 13.dc5 Nc5 14.Ng5 Nce4 (14...Re8 15.Bd4=) 15.Nde4+= Ne4 16.Ne4 de4 17.Rfd1 Qc7 18.Qb3 (18.a5 Rfd8=) 18...Rfd8 19.Bd4 (19.a5 Rd1 20.Qd1 Rd8=) 19...Bc5 (19...Bd6 20.h3=) 20.Qb2 f6 21.a5 (21.Bc5 Qc5 22.a5 Qc7+=) 21...e5 (21...Bd6 22.Kh1=) 22.ab6 (22.Bc5 Qc5 23.a6 Ba8+/-) 22...ab6 23.Bc5 Rd1 (23...Qc5 24.Bg4 Rd1 25.Rd1+=) 24.Rd1+/- Qc5 25.Rd7 Rc7 26.Rd8 (26.Qd2 h6+/-) 26...Kf7+= 27.Bh5 g6 28.Be2 Kg7 29.Qd2 Bc8 30.h3 Be6 Exerts pressure on the backward pawn 31.Kh2 (31.Qd6 Bc4 32.Bc4 Qd6 33.Rd6 Rc4 34.Rb6 Rc2+=) 31...Bc4= 32.Rd7 (32.Bc4!? Qc4 33.Rb8=) 32...Bf7+= 33.Rc7 (33.Rd6 h6+=) 33...Qc7-/+ 34.f3 (34.Kg1 Bb3-/+) 34...ef3 35.Bf3?? (better is 35.gf3 Be6 36.h4-/+) 35...e4–+ (35...e4 36.Kg1 ef3–+) 0–1. GuestQSVZ – Crestfall, freechess.org, 2018.

5.e3 d5 6.Nf3=.

5.Nf3 d5 6.g3 g6 7.Bg2= Bg7 8.0-0 0-0 9.d4 a6 10.Nc3 Bb7 11.Re1 Nbd7 12.bc6 Bc6 13.Qd2 Qc7 14.Ng5 Rab8 15.e4 de4 16.Rab1 Rfc8 17.Qe2 b5 18.ab5 ab5 19.Nce4 Ne4 20.Ne4=+ Nf6 21.Nf6= Bf6 22.d5 Bb2 23.dc6 Bc3 24.Red1 b4 25.Rd7 Qa5 26.Qc4 Be5 27.Be4 Bc7 28.Kg2 Rd8 29.Rbd1 Qe5 30.R1d4 h5 31.Bg6!+/- fg6 32.Re4+- Qf5 33.Re6 Kh8?? 34.Qd4 Be5 35.Re5 Rd7 36.Re8 (36.Re8 Kh7 37.Qh8#) 1–0. wiking – REIDID93, internet, 2009.

5.c4 b6 6.e3 g6?? 7.Be2 (better is 7.Qf3 Bg7 8.Qa8+-) 7...Bg7+= 8.Bf3 d5 9.cd5 (9.a5 ba5 10.Qc2 a6 11.cd5 A) worse is 11...ab5 12.de6 Ra6 13.Qc5 Be6 14.Qb5 Bd7 15.Qe5 Re6 16.Qc3+= (16.Qa5 Qa5 17.Ra5 Rb6-/+); B) 11...ed5 12.Qc5 Nbd7=) 9...ed5= 10.Ne2 (10.d4 Be6=) 10...0-0 (10...a6 11.Nf4 Be6 12.Bf6 Bf6 13.Nc3 ab5 14.Nfd5 Bd5 15.Nd5+=) 11.0-0 (11.Bf6 Bf6 12.Nbc3 a6+=) 11...Bb7 (11...a6 12.Nbc3=) 12.d3 (12.d4 Qd7+=) 12...Nbd7 13.Nd2 Re8 14.Nc4 (14.Qc2 a6=) 14...Rb8 (14...Qc7!? 15.Nd2 Ng4 16.Bg4 Bb2+=) 15.Nd6+= Ne5 (15...Re7 16.Nb7 Rb7 17.Nf4+=) 16.Be5 (16.Ne8!? Nf3 17.gf3 Qe8 18.Nf4+/-) 16...Re5= 17.Nb7 Rb7 18.d4 cd4 (18...Ree7!?=) 19.Nd4+/- Re8 20.Nc6 Qd6 21.Ra2 (21.Qd3 Ne4 22.Rac1 Rd7+=) 21...Ne4+= 22.Be4 Re4 23.Rd2 (better is 23.Qf3+=) 23...Ra4?? (better is 23...Rd7+=) 24.Rd5 (better is 24.Qa4 Bc3 25.Rd3 Bf6+-) 24...Qf6 (24...Qa3 25.Rd3 Bc3 26.Rc3 Qc3 27.Qa4 h6+-) 25.Qa4 Qe6 (25...Rc7 26.Rfd1 h6 27.Na7+-) 26.Rfd1 (26.Rd8 Bf8 27.Qb4 Re7 28.Ne7 Kg7 29.Nf5 gf5 30.Qf8 Kg6 31.Qg8 Kh6 32.f4 Qe3 33.Kh1 Qf4 34.Rf4 Kh5 35.Rf5 Kh4 36.Qg5) 26...Bf6 27.Rd6 (27.g4!? Kg7+-) 27...Qf5 28.Rd8! Bd8 29.Rd8 Kg7 30.Qd4 (30.h3 Rc7+-) 30...f6 31.e4 (better is 31.Qa4+-) 31...Qb5 32.Rd7 Rd7 33.Qd7 Kh6 34.h3 (34.f3 Qc5 35.Kf1 a5+-) 34...Qb1 35.Kh2 Qe4 36.Na7?? (better is 36.Qd2 Kg7 37.Na7+-) 36...Qe5?? (better is 36...Qf4 37.Kg1 Qc1 38.Kh2 Qf4 39.Kh1 Qc1 40.Kh2 Qf4=) 37.g3+- 1–0. DEFFM – GuestNWBV, freechess.org, 2016.

5.c4 d5 6.e3 d4 (6...Bd6 7.Nf3=) 7.Nf3 d3 (better 7...de3!? 8.fe3 Bd6=) 8.Qb3+/- Ne4 9.Qd3 Qd3 10.Bd3 Nd6 11.Be2 e5 (better 11...Be7!?+/-) 12.Be5+- Nd7 13.Bb2 Ne4 14.d3 Nef6 15.0-0 1-0. BeepBeepImAJeep (2715) - PabloTapie (2515), lichess.org, 2020.

5.e3 Bc5 6.d4 Be7 7.Nf3 d5 8.Bd3 Bd7 9.Nbd2 a6 10.c4 h6 11.0-0 0-0 12.Ne5 (better 12.Qb3+=) 12...Bd6? (better 12...dc4 13.Nd7 Nbd7 (13...cd3? 14.Nf8 Bf8 15.Qb3+-) 14.Bc4 ab5 15.ab5 Ra1 16.Qa1 Nb6 17.bc6 bc6=) 13.c5 Be5 14.de5 Ne8 15.b6 f6 (15...a5 16.Nf3+-) 16.f4 (16.Nb3 fe5 17.Be5 Bc8+-) 16...fe5 (16...a5 17.Nb3 Na6 18.Bg6+-) 17.Be5 Nf6 (17...a5 18.Nb3+-) 18.Bd6 1–0. DEFFM – GuestQJWV, freechess.org, 2019.

5.Nf3 0-0 6.e3 Ne4 7.d3 Nf2?? (better 7...Qa5 8.c3 Nf6=) 8.Kf2+- cb5 9.ab5 b6 10.Nbd2 Bb7 11.e4 Be7 12.c4 d6 (12...d5 13.ed5 ed5 14.d4+-) 13.Be2 f6 (13...f5 14.e5+-) 14.Rf1 e5 (14...f5 15.ef5 Rf5 16.d4+-) 15.Qb3 Kh8 16.Kg1 Nd7 (16...f5 17.ef5 Rf5 18.Qc2+-) 17.d4 ed4 18.Nd4 Nc5 19.Qh3 Qd7 20.Bg4 Qe8 21.Ra3 Bc8 22.Bc8 Qc8 23.Nf5 Bd8 (23...Qe6 24.Qh4 Bd8 25.Rh3+-) 24.Rg3 (worse 24.Nd6 Qh3 25.Rh3 Bc7+-) 24...Ne6 25.Ba3 Ng5 26.Qh5 g6 (26...Qd7+-) 27.Qh6 gf5 (27...Ne6 28.Nh4 Rg8 29.Ng6 Rg6 30.Rg6 Qc7+-) 28.Qf8 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

5.Qb3 Bc5 6.d4 Bb6 7.e3 Ba5 (7...0-0 8.Nf3=) 8.Nc3 d5 9.Qa3 (9.Rc1 Nbd7=) 9...cb5 10.cb5 Nbd7 (10...Bd7 11.Nf3=) 11.Bd3 (11.Nf3 a6=) 11...e5 12.Nge2 (12.Nh3 e4 13.Be2 Bc7=) 12...e4+= 13.Bc2 Bc7 14.Na4 (14.Qb3 Nb6+=) 14...Nb6 (14...Ng4 15.h3 Qh4 16.0-0=) 15.Nb6 Bb6 (15...Bd6 16.Qa5= (16.Na8? Ba3 17.Ba3 Qa5 18.Kf1 Qa3–+)) 16.0-0= Bd7 (16...Bc7 17.Rac1=) 17.Nc3 Rc8 (17...Bc7 18.Rac1=) 18.Bb3 Bg4 (18...Be6 19.Rac1+=) 19.Rfc1 (19.Rac1 Be6+=) 19...Qd7 (19...Be6 20.Rc2+=) 20.Rc2 Rc7 21.Rac1 Kd8 (21...Be6!?+=) 22.Na4+/- Rc2 23.Rc2 Qe6 24.Nb6 Qb6 25.Bc3 Ke8? (better is 25...Kd7 26.Ba5 Qd6 27.Rc7 Ke6 28.Qd6 Kd6 29.Rb7 Rc8 30.Bb4 Ke6 31.Re7 Kf5+-) 26.Ba5 Qe6 (26...Qb5?? 27.Ba4 Qa4 28.Qa4 Ke7 29.Bb4 Ke6 30.Qa7+-) 27.Rc7 Rg8 (27...b6 28.Bb4 a5 29.ba6 Kd8+-) 28.b6 a6 29.Ba4 Kd8 30.Rb7 Qc6 31.Qe7 Kc8 32.Bc6 (32.Bc6 Nd7 33.Qd6 Nb6 34.Qc7) 1–0. DEFFM – GuestFBVW, freechess.org, 2018.

5.Qb3 Bc5 6.d4 Bb6 7.Nf3 d5 8.Ba3 (8.e3 0-0=) 8...cb5 (8...dc4 9.Qc4 Bd7 10.Nc3+=) 9.cb5= Ne4 10.Nbd2 (10.e3!?=) 10...Nd2+= 11.Nd2 (11.Kd2 e5+=) 11...Bd4 12.Rc1 Nd7 13.e3 Bb6 14.Be2 Nf6 15.0-0 Bd7 16.Qb2 Rc8 (16...a6 17.ba6 ba6 18.Bd6=) 17.Nf3 h6 (17...Bc7 18.Bc5=) 18.Ne5 Rc7 19.Bb4 Rc1 20.Rc1 Bc7 (20...Qb8 21.Bc3=) 21.Qc3 Bb8 22.Qd4 (22.Bd3 Rg8+=) 22...Qb6= 23.Bc5 Qc7 24.f4 b6 25.Ba3 Qd8 26.Nc6 Bc6 27.bc6 Qc7 (27...Bc7 28.Bd3=) 28.Bb5+= Kd8 29.Bb2 Ne8 30.Ba3 (30.g3 f6+=) 30...Nf6 (30...Rg8 31.g3=) 31.Bb2 (31.Qd1 Ne8+=) 31...Ne8 32.g3 f6 33.Bd3 Ke7 (33...Qf7 34.e4+=) 34.Bg6 (34.e4 de4 35.Qe4 Qd6+=) 34...Nd6+= 35.Ba3 Kd8 36.Qd3 Qe7 (36...f5 37.Bd6 Qd6 38.a3=) 37.Kg2 (37.e4 de4 38.Be4+/-) 37...f5= 38.Qa6 Qc7 39.Qd3 Qe7 40.Qa6 Qc7 41.Bh5 Ne4 42.Qd3 Nf6 (42...Kc8 43.Bg6=) 43.Bg6+= Rg8 (43...h5 44.Bb2 Qe7 45.Be5+=) 44.Qb5 (44.Bb2 Qe7+/-) 44...Ng4 45.Kg1 Nf6 (45...Ne3? 46.Qe2 d4 47.Rd1 Qc6 48.Qe3+-) 46.h3 (46.Bb2 Ne4+/-) 46...Rh8 47.Rc2 (47.Bb2 Ne4 48.Be5 Nd6+/-) 47...Ne4 (47...h5 48.Bb2 Ne4 49.Be5+/-) 48.g4+= Nd6 49.Bd6 Qd6 50.gf5 Rf8 51.fe6 Qe6 52.Qd3 Bd6 53.f5 Qe5 54.Kf1 Rf6 55.Qd4 (55.Rd2 Qg3 56.Ke2 Qg2 57.Kd1 Qf3 58.Kc1 Kc7=) 55...Qd4 56.ed4 Kc7 57.Be8 (57.Ke2!?=) 57...Rf5+= 58.Rf2 Rf3?? (better is 58...Rf6+=) 59.Rf3+- ½–½. GuestRMKW – GuestLBFD, freechess.org, 2017.

5.e3 cb5 6.cb5= d5 7.Nf3 0-0 8.Be2 Bd6 9.0-0 Qe7 10.d4 b6 11.Nbd2 (11.Qa4 a6=) 11...Nbd7 12.Ne5 Bb7 13.Nc6 (13.Qa4 a6=) 13...Bc6 14.bc6 Nb8 15.Rc1 Rc8 16.Qa4 Qc7 (16...a6 17.Rc2=+) 17.Nf3 Ng4 (17...a6 18.Rc2=) 18.h3= Nh2 19.Nh2 Bh2 20.Kh1 Bd6 21.Rc2 Qe7 (21...a6 22.Rfc1=) 22.Rfc1+= Rc7 23.Qb5 Qh4 24.Kg1 Qf6 25.Bf3 Qe7 (25...Qg6 26.Rc3+=) 26.e4 de4 27.Be4 Bf4 28.Rd1 Qg5? (28...Qd6!?+-) 29.d5 (29.Qg5 Bg5 30.Ba3 Na6+-) 29...Qh5 (better 29...ed5 30.Qd5 Qd5 31.Bd5 Na6+-) 30.Bf3 Qg5 (30...Qf5 31.de6 fe6 32.Rd8 Kf7 33.Qb4+-) 31.de6 h6 (31...fe6 32.Qg5 Bg5+-) 32.ef7 Rf7 33.Qg5 Bg5 34.c7 Nc6 35.Bd5 Rc8 36.Rc6 Kf8 37.Ba3 (37.Ba3 Ke8 38.Rh6 Rfc7 39.Rh8 Kd7 40.Bf3 Ke6 41.Bg4 Kf6 42.Rc8 Rc8 43.Bc8+-) 1–0. DEFFM – GuestHSBS, freechess.org, 2019.

5.e3 d5 6.Nf3=.

5.e3 Be7 6.Nf3 0-0 7.Be2 d5 8.a4 dc4 9.Bc4 cb5 10.ab5 Nbd7 11.Nc3 Nc5 12.Na4 Qc7 13.Nc5 Bc5 14.Qb3 Bd7 15.0-0 Ne4 16.Be5 Bd6+= 17.d4 Be5 18.de5 Rac8 19.Rfc1 b6 20.Qb2 Qb7 21.Ra4 Rc7 22.Rca1 Rfc8= 23.Ra7 Qa7 24.Ra7 Ra7 25.Bd3 Nc3=+ 26.h4 Rc5 27.Ng5 h6 28.Ne4 Ra2 29.Qb3 Ra1 30.Kh2 Ne4 31.Be4 Bb5 32.f4 Rac1-/+ 33.Qa3 Be8 34.Qa8 Rc8 35.Qb7 b5 36.f5 R1c7-/+ 37.Qb6 Bc6 38.Bc6 Rc6 39.Qb5 ef5 ½–½. Nokarookoff – Whiterose, ChessWorld.net, 2006.

5.Bf6= gf6 6.bc6 bc6 7.Nc3 c5 8.e4 Rg8 9.g3 Nc6 10.Bg2 Rb8 11.Rb1 Qc7 12.Nge2 Ba6 13.d3 Bd6 14.0-0 Ke7 15.f4 Rb1+= 16.Qb1 Rb8 17.Qc2 Qa5 18.e5 fe5= 19.Bc6 dc6 20.f5 Rf8 21.f6 Kd7 22.Ne4 h6 23.N2c3 Qa3 24.Qd2 Rh8 25.Rf2 Bc7 26.Qb2 Qb2 27.Rb2 Bb6 28.Na4 Kc7 29.Kg2 Rd8 30.Nac5 Bc5 31.Nc5 Bc8 32.Kf3 Rd4 33.Ke3 Rg4 34.Ne4+- Rg6 35.c5 Ba6 36.Rf2 Rg8 37.Nd6 Rf8 38.Ke4 Rd8 39.Rf3 Rd6+/- 40.cd6 Kd6 41.g4 c5 42.Rh3 c4 43.dc4 Bc4 44.Rh6 Ba2 45.Rh8 Bb1 46.Ke3 Kc5 47.Rf8 a5 48.Rf7 a4 49.Rc7 Kd6 50.Rc1 Bg6 51.h4 a3 52.h5 Bh7 53.Ra1 Bc2 54.Ra3 Bd1 55.Ra7 Bg4 56.f7 (56...Bd1 57.f8Q Kc6 58.Qc8 Kb5 59.Rb7 Ka4 60.Qa8#) 1–0. Plock,Joerg – Schulz,Ronald, Mecklenburg VP LL1, 1997.

5.a4 0-0 6.d4 Bb4 7.Nc3 (7.Bc3 a5 8.Nf3=+) 7...a5 (7...d5!? 8.e3 Qa5=+) 8.Nf3= d6 (8...d5 9.e3=) 9.Nd2 (9.e3!?=) 9...Re8 (9...e5 10.de5 de5 11.e3=+) 10.g3 d5 (10...Nbd7 11.Bg2 e5 12.d5 cd5 13.cd5=+) 11.c5 (11.Bg2!?=) 11...b6 (11...Nbd7 12.Na2 e5 13.Nb4 ab4 14.Bg2=+) 12.Bg2 Bb7 (12...bc5 13.dc5 Nbd7-/+) 13.Na2 (better 13.cb6!? Qb6 14.e3=) 13...bc5-/+ 14.Nb4 (14.0-0 c4-/+) 14...cb4 (worse 14...ab4 15.dc5 e5 16.Nb3+-) 15.0-0 (15.e4 cb5 16.e5 Nfd7 17.ab5 Nb6–+) 15...Qb6 16.bc6 Nc6 17.Nb3 Rac8 18.Nc5 Rc7 (18...Ba6 19.Qd2-/+) 19.Nb7 (19.Qd3 Nd7 20.Qb5 Qa7 21.Nb7 Qb7-/+) 19...Qb7 20.Rc1 (20.Qd3 Rec8-/+) 20...Rec8–+ 21.e3 (21.Qd2 Ne7–+) 21...Ne7 22.Rc7 (22.Qd2 Ne4 23.Rc7 A) 23...Nd2? 24.Rb7 Nf1 25.Bf1+- (25.Re7?! Nd2=); B) 23...Rc7?! 24.Qd3–+; C) 23...Qc7 24.Be4 de4–+) 22...Rc7 23.Qa1 (23.f3 Qc6–+) 23...Qc8 (23...Rc2 24.Qb1 b3 25.Ba3–+) 24.Bf3 Nd7 (24...Ne4 25.Be2–+) 25.Rc1 Nb6 26.Rc7 Qc7 27.Bd1 Nec8 28.f3 Nd6 29.Bc1 (29.Qb1 Qd7 30.Qc2 Nbc4–+) 29...Ndc4 (29...Qc6 30.g4–+) 30.Kg2 (30.Qb1 Qc6 31.Qc2 Nc8–+) 30...f6 31.Bb3 e5 0–1. rcm06 (2170) – deeppurple (1745), gameknot.com, 2018.

5.d4 Bb4 6.Bc3 a5=.

5.d4 Bb4 6.Bc3 Qa5=.

5.d4 Bb4 6.Nd2 d5=+ 7.e3 (7.cd5 Qd5 (7...Nd5?! 8.e4 Nf6 9.Bd3+=) 8.Qb3 Ba5=+) 7...0-0 (7...Ne4 8.Ngf3 Qf6 9.Bc1=+) 8.a3 (8.Ngf3 a6=) 8...Bd2 9.Qd2 Ne4 10.Qc2 (10.Qb4 a5 11.Qa4 Nd7=+) 10...Qa5 (10...cb5 11.c5=+) 11.Ke2 (11.Kd1 cb5 12.f3 Nd6=+) 11...cb5 12.f3 (12.c5 Qc7=+) 12...Nd6 13.Bc3 (13.c5 Nc4 14.Kf2-/+) 13...Qa4 (better 13...Qc7 14.cd5 ed5-/+) 14.Qd2? (better 14.Qa4 ba4 15.c5=) 14...Nc4–+ 15.Qa2 (15.Qd3 Nc6 16.Kf2 Bd7–+) 15...Nc6 (better 15...e5 16.de5 Nc6–+) 16.Nh3? (16.Kf2 Bd7–+) 16...Qa6 (better 16...e5 17.de5 Bh3 18.gh3 Ne3–+) 17.Kf2 Nd6 (better 17...e5!? 18.de5 Bh3 19.Bc4 dc4 (19...bc4?! 20.gh3 b5 21.Rhg1-/+) 20.gh3 Rad8–+) 18.Bd3 (18.a4 Nc4 19.ab5 Qb5 20.Rb1=+) 18...h6 (18...f5 19.Nf4 g5-/+) 19.g4?? (19.a4 Qb6 20.ab5 Nb5=) 19...f6?? (19...Nc4 20.Nf4–+) 20.Nf4 (20.a4 Qb6 21.ab5 Nb5=) 20...Ne7 (20...Nc4 21.Rhb1-/+) 21.Rag1? (21.a4!? g5 22.Nh5=+) 21...Qc6 (21...Bd7 22.Bb4-/+) 22.Rc1 (22.Bb4 Re8-/+) 22...Qe8 (22...Nc4 23.Bb4 Rf7 24.a4-/+) 23.Bb1 (23.Bb4 Qd7=+) 23...f5 (better 23...Bd7-/+) 24.Qb2?? (better 24.Bb4 Nc4 25.gf5 Rf5 26.a4 ba4 27.Be7 Rf4 28.ef4 Qe7 29.Rc4 dc4 30.Qa4–+) 24...a5 (24...Nc4!? 25.Qe2 g5 26.Ng2 fg4 27.f4–+) 25.h4 (25.h3 Nc4 26.Qe2 Na3–+) 25...Nc4 26.Qa2 (26.Qe2 fg4 27.fg4 Na3 28.Bd3–+) 26...a4?? (better 26...fg4!? 27.fg4 e5 28.de5 Bg4 29.Rhf1–+) 27.Bb4? (better 27.g5!?=+) 27...Rf7 (27...fg4 28.fg4 e5 29.de5 Bg4 30.Rhg1–+) 28.g5 hg5?? (better 28...Nc6 29.Bd2 Qe7–+) 29.hg5+- g6 30.Rh6 Rh7?? (better 30...Rg7 31.Rch1 Kf7+-) 31.Rch1 Rh6 32.Rh6 (worse 32.gh6 Kh7 33.Bd3 Nc6=+) 32...Kg7?? (32...e5 33.Ke1 ef4+-) 33.Kg1 e5 (33...Ne3 34.Qh2 Qf8 35.Rh7 Kg8 36.Rh8 Kf7 37.Rf8 Kf8 38.Qh7 e5 39.Ng6 Ke8 40.Qe7) 34.Be7 (34.Qh2 Qg8 (34...ef4?? 35.Rh7 Kg8 36.Qh6 Qf8 37.Rh8 Kf7 38.Qf8 Ke6 39.Qe7) 35.Be7 Kf7 36.Rh7 Ke8+-) 34...Qe7 (34...ef4 35.Qh2 Qe7 (35...fe3?? 36.Rh7 Kg8 37.Qh6 Qe7 38.Re7 Na3 39.Qg7) 36.Rh7 Kf8 37.Qh6 Ke8 38.Qg6 Kd8 39.Re7 Ke7 40.Qf6 Kd7 41.Bf5 Kc7 42.Qe7 Kb6 43.Qc5 Ka6 44.Bc8 Nb6+-) 35.Rg6 Kf7 36.Rf6 (better 36.Qh2 ef4 37.Qh7 Ke8 38.Rg8 Kd7 39.Bf5 Kd6 40.Rg6 Be6 41.Re6 Qe6 42.Be6 Ke6 43.ef4+-) 36...Ke8 (better 36...Qf6 37.gf6 ef4+-) 37.Ng6+- Qa3 (37...Qg7 38.Qh2 Kd8 39.Qh6+-) 38.Rf8 Kd7 (38...Qf8 39.Nf8 Kf8+-) 39.Bf5 (39.Ne5?! Ke7 40.Ng6 Kd6 41.Qh2 Kc6 42.Rf6 Nd6+-) 39...Kc6?? (39...Kc7 40.Qa3 Na3 41.Bc8 A) 41...Rc8?? A1) 42.de5 Nc4 43.Rc8 Kc8 44.Ne7 Kd8 45.Nd5 a3–+ (45...Ne5 46.g6 Ng6 47.Kf2–+); A2) 42.Rc8 Kc8 43.Ne5+-; B) 41...Nc4 42.Rf7 Kb6 43.Rb7 Ka5+=) 40.Qa3+- Na3 41.Rc8 Rc8 42.Ne7 (42.Ne7 Kc7 43.Bc8+-) 1–0. Plock,Joerg – Otte, blitz, 1996.

5.e3 0-0 6.Be2 (6.d4 Bb4 7.Bc3 Bc3 8.Nc3 d6=) 6...d5 7.Qc2 Bd6 (7...dc4 8.Qc4 Bd6 9.Nf3=+) 8.f4 (8.c5 Bc7=) 8...Ne4 (8...dc4 9.Bc4 a6=+) 9.d3 (9.Nf3 cb5 10.cb5 Qb6=) 9...Nc5 (better is 9...Qh4!? 10.g3 Ng3-/+) 10.Nd2 (10.Nf3 cb5 11.cb5 Bd7=) 10...Nbd7 (10...dc4 11.Qc4 cb5 12.Qb5=+) 11.Qc3 (11.Ngf3 cb5 12.cb5 a6=) 11...Nf6 12.g4 (12.bc6!? bc6 13.Nb3=+) 12...Na4-/+ 13.Qb3 Nb2 14.Qb2 dc4 (14...Ng4 15.Bg4 Qh4 16.Kd1 Qg4 17.Ngf3-/+) 15.dc4? (15.Nc4 Be7=+) 15...Qb6 (15...Ng4!? 16.Bg4 Qh4 17.Kd1 Qg4 18.Ngf3-/+) 16.Qc3 (16.g5 Nd7 17.Ne4 Qa5 18.Kf2 Ba3-/+) 16...Bc5 (16...cb5 17.cb5 Nd5 18.Qd4–+) 17.Nf1 (17.g5 Nd7 18.bc6 Qc6-/+) 17...a5 (17...Ne4 18.Qb2 Qa5 19.Nd2 Nd2 20.Qd2–+) 18.a4?? (better is 18.Rd1-/+) 18…Bb4–+ 0–1. Meybohm,Dirk – Hornig, 1990.

5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 0-0 9.Nf3 d5 10.Be2 Bb4 11.0-0 Nbd7 12.d3 Qa5 13.Nbd2 cb5 14.cb5 (14.Nb3!? Qa4 15.cd5 Nd5 16.Qb1=) 14...Qb5+= 15.d4 Qa5 16.Nb3 Qc7 17.Qd3 Ne4 18.Rc1 Qd8 19.Qc2 Nb6 (19...b6 20.Bd3+=) 20.Bd3 Nd6 (better is 20...f5!?+=) 21.Bh7+= Kh8 22.Bd3 Bd7 (22...Nbc4 23.Bc3 Ba3 24.Ra1+=) 23.Nc5+/- Nbc4 24.Nd7 (24.Rb1!? Ba3 25.Ne5+/-) 24...Qd7+= 25.Ne5 Qe7 (25...Ne5 26.de5 Rc8 27.Qd1 Rc1 28.Qc1+=) 26.Nc4 (worse is 26.Bc4 Nc4 27.Nc4 Rc8=) 26...Rc8?? (26...dc4 27.Qb2+/- (worse is 27.Bc4 Ba3 28.Bd3 Bc1 29.Qc1 Rc8+=)) 27.Qe2 (better is 27.Qd1 Ne4 28.Be4 de4 29.Qh5 Kg8 30.Qb5+-) 27...dc4?? (better is 27...Kg8 28.Bb2 dc4 29.Bc4 Rc4 30.Rc4 Nc4 31.Qc4 Bd6+/-) 28.Qh5 (28.Qh5 Kg8 29.Qh7 Kf8 30.Qh8; 28.Bc4? b5–+) 1–0. Steinerstauch,Bernd – Gerhard,Georg, Schweinfurt GER, 2013.

5.Nf3 d6 6.Nc3 h6 7.g3 d5=+ 8.Bg2 Be7 9.0-0 0-0 10.Rb1 a6 11.e3 Bb4 12.a3 Bc5 13.d3 Re8 14.Na4= Be7 15.Bc3 b5-/+ 16.Nb2 a5 17.a4 b4 18.Bd2 Bd6 19.Re1 Bb7 20.e4 de4 21.de4 Ne5 22.c3 Be4 23.Rc1 Nf3-/+ 24.Bf3 Bf3 25.Qf3 b3 26.c4-/+ Bc5 27.Be3 Be3 28.Qe3 Rb8 29.Rc3 Ng4 30.Qf3=+ Nf6 31.Rb3 Rb3=+ 32.Qb3 Qd2 33.Rf1 Ne4 34.Nd1 Rd8 35.Qe3? f5 36.Qb6-/+ Kf7 37.c5 Rc8?? 38.Qb7+- Kf6 39.Qc8 Ng5 40.h4 Ne4 41.c6 g5 42.c7 gh4 43.Qd8 Kg6 44.Qg8 Kh5 45.c8Q hg3 46.Qf7 Kh4+- 47.Qg6 Ng5 48.Qh6 Kg4+- 49.Qc4 Ne4 50.f3# 1–0. verns2 – Drunken Pawn, internet, 2010.

5.Bf6 Qf6 6.c3 Bc5 7.Nf3 Ne5 8.d4 Nf3 9.ef3 Bb6 10.Be2 d5 11.Bb5 Bd7 12.Bd7 Kd7 13.0-0 Rhd8 14.Qa4 Ke7 15.Nd2 Rac8 16.c4 Bd4 17.Rab1 b6 18.cd5 ed5 19.Nb3 Be5 20.Qa7 Rd7 21.Qa6= Rc6 22.Rbe1 Kd8 23.a4 Bc3 24.Rc1 d4?? 25.Qd3 h6 26.Qh7?? Re6 27.a5 Ba5 28.Na5 ba5 29.Qh8 Re8 30.Rc8 Kc8 31.Qe8 Kc7?? 32.Qa8 Qb6 33.Rc1 Kd6 34.h3?? Ke7=+ 35.Rc8 Kf6?? 36.Rc6+- Qc6 37.Qc6 Ke7 38.Qc5 Rd6 39.Qa5 d3 40.Qd2 g5 41.g4 Ke6 42.Kg2 f5 43.Kg3 f4 44.Kh2 Ke5 45.h4 Rd5 46.Kh3 1–0. pinecrest1981 – uoykcuf, Caissa.com, 2004.

5.a4 a5 6.c4 (6.Bf6 gf6 7.Nc3 d5+=) 6...d5 7.Nc3 (7.Bf6 gf6 8.Nf3 dc4 9.Bc4 Rg8+=) 7...Bb4 8.Qb3 Bc3 (8...Nbd7!?=) 9.Bc3 dc4 (9...Nbd7 10.d4+=) 10.Bc4 Bd7 11.Nf3 0-0 12.0-0 (12.Bf6 gf6 13.d4 c5+/-) 12...cb5 13.ab5 Nd5 14.Bd4 Qd8 (14...Qd6 15.Be5 Qb6 16.Rfc1+/-) 15.Ne5 (15.Bd5 ed5 16.Qd5 Bc8+-) 15...Qg5 (15...Bc8 16.Rfc1+/-) 16.f4 (16.Bd5 a4 17.Ra4 Ra4 18.Qa4 ed5+-) 16...Qh5? (16...Qe7!?+/-) 17.Rf3 (17.f5 a4 18.Ra4 Ra4 19.Qa4 Bc8+-) 17...f6 (17...a4 18.Ra4 Ra4 19.Qa4+-) 18.Rh3 (better 18.Bd5!? ed5 19.Qd5 Rf7 20.Qb7 (20.Qf7?! Qf7 21.Nf7 Kf7+-) 20...fe5 21.Qa8 ed4 22.Qb8 Rf8 23.Qe5 Qe5 24.fe5+-) 18...Qe8+/- 19.Nf3 e5?? (better 19...Qf7+/-) 20.Bd5+- Kh8 21.Bc5 (better 21.fe5!? fe5 22.Ne5 Bh3 23.gh3 a4+-) 21...Bh3 22.Bf8 Qf8 23.gh3 ef4 24.Bb7 Ra7 25.Qd5 fe3 26.de3 (26.Rc1 g5 27.Rc8 Qc8 28.Bc8 ed2 29.Nd2 Kg7+-) 26...Rb7 (26...Qe7 27.Rc1 g5 (27...Qe3?? 28.Kg2 Qe2 29.Kg3+-) 28.Rc8 Kg7 29.Rb8 Qe3 30.Kg2 Kh6+-) 27.Qb7 Qd8 (27...h6 28.Ra5 Kh7 29.Ra8+-) 28.Re1 (28.Rc1 h6 29.Rc8 Qc8 30.Qc8 Kh7 31.Qb8 a4+-) 28...Nd7 (28...h5 29.Rc1 Kh7 30.Rc7+-) 29.Nd4 (better 29.Rd1 Qe8 30.Rd7 Qe3 31.Kh1 h5+-) 29...h5 (29...Qe8+-) 30.Ne6 Qe8 31.Nf4 (31.Qc6!? Qg6 32.Kh1 Qd3+-) 31...Ne5 (31...a4 32.Qa6+-) 32.Kf2 (32.Rc1 Kh7 33.Rc7 Qg8 34.Nh5 Kh6 35.Rg7 Qc4 36.Rh7 Kg5 37.Qg7 Kf5 38.Qf6 Ke4 39.Ng3 Kd3 40.Qe5 Qc1 41.Nf1 Qc8+-) 32...g5 (32...h4+-) 33.Nh5! Nd3 (33...Qh5 34.Qa8 Double attack (34.Qc8 Decoy)) 34.Ke2 Qh5 35.Kd3 Qh3 (35...Qg6 36.Kd2 Qg8+-) 36.Rc1 Qf5 37.Kd2 (better 37.Ke2 Qg4 38.Kf2 Qh4 39.Kg1+-) 37...Qf2 38.Kd3 Qf5 39.Kc3 (better 39.Ke2 Qg4 40.Kf2 Qh4 41.Kg1+-) 39...Qe5 40.Kb3 Qe3 41.Rc3 Qd2 (41...a4 42.Kb4 Qd4 43.Rc4 Qd2 44.Ka4 Qa2 45.Kb4 Qb2 46.Kc5 Qe5 47.Kb6 Qe3 48.Rc5 Kg8+-) 42.Rc8 Qd8 43.Rd8 1-0. ClayPigeons (2210) - AnakinSkywalker95 (2225), Rated Bullet game, lichess.org, 2019.

5.a4 cb5 6.ab5 d5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3 cb5 6.ab5 Qb6).

5.Nc3 cb5 6.Rb1 a6 7.Nf3 Qd8 8.Ne5 Bd6 9.d4 Nc6 10.Nc6 bc6 11.Be2 a5 12.a3 Bb7 13.0-0 h5 14.e4= Bf4 15.e5 Ng4 16.Bg4 hg4=+ 17.Qg4?? Bh2–+ 18.Kh1 Be5 19.Kg1 Bf6 20.Ne4 Rh4 21.Qf3 Rh6 22.Nd6 Ke7 23.Nb7 Qc7 (23...Qc7 24.Rfe1 Rah8–+) 0–1. licky1 – manoloXXIX, caissa.com, 2006.

5.c4 Be7 6.Nf3 a6 7.Nc3 d5 8.cd5 ab5 9.de6 Be6 10.a3 Nbd7 11.Nd4 Bc4 12.d3 c5 13.Nf5 Be6 14.Ng7 Kf8 15.Ne6 fe6 16.Qb3 b4 17.ab4 Ra1 18.Ba1 cb4 19.Ne4 Rg8 20.Bd4 Qa6 21.Nf6 Bf6 22.Bf6 Nf6 23.Qb4 Kf7 24.d4 Qa1 25.Ke2 Nd5 26.Qb7 Kf6 27.g3 Nc3 28.Kf3 Qd1 29.Kg2 Qd2 30.Qh7 Rg7 31.Qh6 Rg6 0–1. Bonetti,Shane – Acornn (1610), ICC, 2002.

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6).

5.Nf3 Bd6 6.a4 (--> 4.a4 d5 5.e3 Bd6 6.Nf3).

5.Nf3 Be7 6.a4 (--> 4.a4 d5 5.e3 Be7 6.Nf3).

5.Nf3 Be7 6.c4 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.c4 c6).

5.e4 e5 6.Nf3 Qe7 7.Nc3 a6 8.ba6 ba6 9.Qe2 0-0 10.a3 h6 11.Ra2 (11.Qd3 Bc5=) 11...a5 12.Ra1 Ba6 13.d3 Bc5 (13...Bc7 14.Nh4=) 14.Na4 Bd6 15.Qd2 (better is 15.Nh4+=) 15...Ne4?? (better is 15...Bc7=) 16.de4+- Bf1 17.Rf1 f5 18.ef5 Rf5?? (18...Bc7+-) 19.Nb6 Ra7 (19...e4 20.Nd4 e3 21.Qc3 Rf2 22.Na8+-) 20.Nc8 Qe6 21.Qd6 Qc4 (21...Qd6 22.Nd6 Rf6 23.Be5 Re6+-) 22.Ne7 Kh8 23.Qb8 Kh7 24.Nf5 Ra6 25.Qe5 Qf7 26.Nh6! gh6 (26...Kh6 27.Bc1) 27.Qh8 Kg6 28.Ne5 Kf5 (28...Kg5 29.Nf7 Kg6 30.Qf6 Kh5 31.Qh6 Kg4 32.Qg5) 29.Nf7 c5 30.Qe5 Kg6 (30...Kg4 31.Qe4 Kh5 32.Qf5 Kh4 33.g3) 31.Nh8 Kh7 32.Qg7 1–0. b4_player (2220) – lookoutson, GameColony.com, 2003.

5.Nf3 0-0 6.a4 a6 7.Be2 a5 8.0-0+= b6 9.c4 Bc5 10.d4 Bb4 11.Nbd2 c5 12.dc5+/- Bc5 13.Nb3 Bb4+/- 14.Rc1 Bb7 15.c5+/- bc5 16.Nc5 Bc5 17.Rc5 Bd5 18.Bf6 Qf6 19.Qd4 Qd4 20.Nd4+- f5 21.Bf3 Bf3 22.Nf3 Rd8 23.Rc7 d6 24.Nd4 Re8 25.Rfc1 g6 26.Nc6 Nc6 27.R1c6 d5 28.b6 e5 29.b7 (29.b7 Rab8 30.Rc8 Rb7 31.Re8 Kf7 32.Rec8 Rb1 33.Rc1+-) 1–0. MarcosRamos (1745) – joaquim, internet, 2007.

5.c4 Bg7 6.a4 d5 7.Nf3 0-0 8.Be2 dc4 9.Bc4 cb5 10.ab5 a6 11.Be2 b6 12.0-0 a5 (12...Bb7 13.ba6 Ba6 14.Nc3+=) 13.d4 Bb7 14.Nbd2 Nbd7 15.Nc4 Nd5 (15...Ne4 16.Bd3+=) 16.Nfe5 (better 16.Ba3!?+-) 16...Ne5= 17.Ne5 Be5 (17...Rc8 18.Bf3=) 18.de5+= Qd7?? (18...Nb4 19.Bd4+=) 19.Qb3?? (better 19.e4+-) 19...Rfd8+- 20.Rfd1 Rac8?? (20...Qe7 21.Bd4+-) 21.Bf3?? (better 21.e4+-) 21...Qc7+- 22.Rac1 Qb8 23.Bd4 (23.Rc8!? Rc8 24.e4+- (24.Bd5?! Bd5 25.Qa3 Bc4=)) 23...Rc1+= 24.Rc1 Ba8 (24...Nf4 25.Qd1 Bf3 26.Qf3+=) 25.Rc4 (25.e4 Ne7 26.Qe3 Nc8+-) 25...Rc8 (25...Nc7 26.Bc6+-) 26.Qc2 (26.e4 Rc4 27.Qc4 Nf4+-) 26...Rc4 27.Qc4 Qa7? (27...Nc7 28.Ba8 Na8 29.Qc2+=) 28.g3 (28.Qc8!? Kg7 29.e4+-) 28...a4 (28...Nc7 29.Ba8 Na8 30.Qc8 Kg7+-) 29.Qa2 (29.e4!? Ne7 30.Be3+-) 29...a3 (29...Nb4 30.Qe2 Bf3 31.Qf3=+) 30.Qa1 (30.Be2 Qa4 31.Qc4 Qc4 32.Bc4 Nb4 33.Bb6 Bd5 34.Bd5 Nd5+=) 30...Qa4 (30...Ne3 31.Ba8 Nc2–+) 31.Bd1= Qb5 32.Qa3 Bc6 (32...Qa5 33.Qa5 ba5 34.e4+=) 33.Qb3+= Qb3 34.Bb3 b5 35.e4 Ne7 (35...Nb4 36.f3=) 36.f3 Kg7 (36...g5 37.h3=) 37.Bc5+= Nc8 38.Kf2 f6? (38...g5 39.Ke3+=) 39.ef6 (better 39.Be6 Bb7 40.ef6 Kf6 41.Bd7+-) 39...Kf6+- 40.f4 (40.Ke3 e5+-) 40...g5?? (better 40...Be4 41.g4 Bd5=+) 41.e5 (41.fg5 Kf7 42.Ke3 Ne7+-) 41...Kf5 42.Ke3 Be4?? (better 42...gf4 43.gf4 Bd7 44.Bc2 Kg4 45.Bh7 Kh3+-) 43.g4!+- Kg4 Theme: Deflection from e4 44.Ke4 gf4 45.Bd1 (45.Be6 Kg5 46.Bc8 b4 47.h4 Kg6 48.e6 Kh6 49.e7 Kg6 50.e8Q Kg7 51.Bf8 Kf6 52.Qe6) 45...f3 (45...Kg5 46.Be2 Kg6 47.Bb5+- (worse 47.Kf4 b4+-)) 46.Bf3 Kh3 (46...Kg5 47.Kd4 b4 48.Bb7+-) 47.Be2 Kh2 48.Bb5 h6 (48...Kg3 49.Bd7 Ne7 50.Be7 h5+-) 49.Bd7 h5 50.Bc8 h4 51.Be6 (51.Kf3 Kh1 52.Be3 Kh2 53.Kf2 Kh3 54.Be6 Kh2 55.Bf4 Kh1 56.Bd5) 51...h3 52.Bh3! Kh3 53.e6 (53.e6 Kg4 54.e7 Kg5 55.e8Q Kg4 56.Qg6 Kh3 57.Kf3 Kh4 58.Qg4) 1–0. BeepBeepImAJeep (2705) – oreol (1970), lichess.org, 2016.

5.Nf3 Bg7 6.c4 (6.Be2 cb5 7.Bb5 0-0=) 6...0-0= 7.d4 Ne4 (7...d5 8.Nc3=) 8.Bd3 (8.Nbd2 Qa5+=) 8...f5 (8...d5 9.0-0+=) 9.0-0+= b6 (9...d5 10.a4+=) 10.Na3 (10.Nc3 cb5 11.Ne4 bc4+=) 10...Bb7 11.Qc2 (11.Nd2 cb5 12.cb5 a6=) 11...d5 (11...cb5 12.cb5 a6 13.Rfc1=) 12.Ne5 (12.cd5 ed5 13.Ne5 cb5 14.Nb5 Nd7=) 12...Be5 (12...cb5 13.cb5 Nd7 14.Nd7 Qd7 15.Qe2+=) 13.de5 cb5 14.Nb5 (14.cb5 Nd7+=) 14...dc4 (14...Nc5 15.Nd6+=) 15.Bc4+/- (< 15.Qc4 Bd5 16.Qc2 Nc5+=) 15...Qe8? (better is 15...Bd5 16.Rfd1 Qd7+/-) 16.Nc7+- (16…Qc6 17.Be6 Kg7 18.Qc6 Nc6 19.Na8 Ra8 20.Rfd1+-) 1–0. Wall,Bill – Vision, Internet, 2005.

5.c4 a6 6.Nc3 (better is 6.e3=) 6...ab5?? (better is 6...Qb4 7.Ba3 Qc4=) 7.ab5+- Ba3 (7...Qa1 8.Ba1 (8.Qa1?! Ra1 9.Ba1 d5=) 8...d5 9.Nf3+-) 8.Ra3 Qa3 9.Ba3 Ra3 10.e3 (10.c5 b6 11.cb6 c5+-) 10...cb5 (10...d6 11.Qc1 Ra5 12.Nf3+-) 11.Nb5 Ra5 12.Nd6 (better is 12.d4+-) 12...Kd8 (12...Ke7 13.Qb1 Nc6+-) 13.Nf7 Ke7 14.Nh8 Kf8 15.Nf3 (15.g4!? Kg8 16.Ng6 hg6+-) 15...Kg8 16.d4 Kh8 17.Ne5 Kg8 18.Be2 (18.c5!? b5 19.cb6 Bb7+-) 18...d6 19.Nd3 Ne4 20.0-0 Nc3 21.Qc2 Ne2 22.Qe2 b6 (22...Nc6 23.Rb1+-) 23.Qg4 Nc6 24.Nf4 Ra8 (24...Rf5 25.Rb1 Bd7 26.Rb6+-) 25.Ne6 Nd8 26.Qg7 1–0. GuestPTJX – chayka, freechess.org, 2017.

5.e3 Qb4 6.Bc3 (6.Bf6 gf6 7.Nc3 d5=) 6...Qc5 (6...Qe7 7.Nf3=) 7.Bd4 (7.Nf3 d5+=) 7...Qd6 (7...Qe7 8.Nf3=) 8.Nf3 h5 (8...Qe7 9.Be2=) 9.c4 (9.Be2 Qe7+=) 9...cb5 (9...Qe7!?+=) 10.ab5+/- b6 (10...a6 11.Nc3 Qe7 12.Na4 ab5 13.Nb6 Ra1 14.Qa1+/- (14.Ba1?! bc4 15.Bc4 Qd8 16.Nc8 Qc8=)) 11.Nc3 (11.Be5 Qc5+-) 11...Bb7 12.Be5 Qe7 13.Bd3 (better is 13.Bb8!? Rb8 14.Ra7+/-) 13...d6+= 14.Bf6 Qf6 15.0-0 Nd7 (15...Bf3 16.gf3 Qg5 17.Kh1+/-) 16.Be4+/- Nc5 (16...Be4 17.Ne4 Qg6 18.d3+/-) 17.Bc6 Bc6 18.bc6 Be7 (18...Nd3!?+-) 19.d4 0-0 20.dc5 Qc3 21.cd6 Bf6 22.Qa4 a6 (22...Qd3 23.Rfd1 Qf5 24.Rab1+-) 23.Rfd1 b5 (23...Rfc8 24.e4 g6 25.c7+-) 24.cb5 Qc5 25.Rac1 Qb5 26.Qb5 ab5 27.c7 Bb2 (27...b4 28.d7 Rfc8 29.Nd4 Rc7 30.Rc7+-) 28.Rc2 Ra1 (28...Bf6 29.d7 Rac8 30.dc8R Rc8+-) 29.Ra1 Ba1 30.d7 1–0. DEFFM – GuestKHPV, freechess.org, 2018.

5.e3 d5 6.Nf3=.

5.e3 Ne4 6.f3 (better is 6.Nc3 d5 7.Ne4 de4 8.Qg4+/-) 6...Qb4?? (6...Nf6 7.Bc3 Bb4 8.Bb4 Qb4 9.Nc3=) 7.Ra2?? (better is 7.Ba3 Qa4 8.fe4 Qe4 9.Bf8 Rf8 10.Nf3+-) 7...Nc5= 8.c4 (8.Bc3 Qh4 9.g3 Qg5+/-) 8...Qb3 (8...d5 9.Bc3 Qb3 10.Qb3 Nb3 11.a5=) 9.Qb3 Nb3 10.Ba3 (10.Nc3 e5=) 10...Ba3 (10...e5!?=) 11.Ra3+= Na5 12.d4 (12.c5 e5+=) 12...0-0 (12...d5 13.Rc3+=) 13.Nh3 (13.c5 Rd8+=) 13...d6= 14.Nf2 (14.Bd3 e5=) 14...Nd7 (14...e5 15.Bd3=) 15.Ne4+= d5 16.Nd6 Nb6 (16...Rd8 17.c5+= (< 17.Nc8 Rac8 18.c5 b6=)) 17.c5+/- (17.Nc8?! Rfc8 18.c5 Nbc4=) 17...Nbc4 (17...Nd7 18.Bd3+/- (< 18.Nc8 Rac8 19.Rc3 e5+=)) 18.Nc4 dc4 (18...Nc4 19.Bc4 dc4 20.Nd2 cb5 21.ab5+/-) 19.Rc3 (19.Nd2 e5 20.Nc4 Nc4 21.Bc4 ed4 22.ed4 Rd8+/-) 19...e5 20.Bc4 (20.de5 cb5 21.ab5 Be6+=) 20...ed4+= 21.ed4 Re8 (21...Rd8 22.Nd2+=) 22.Kf2+/- Nc4 23.Rc4 Be6 24.Rb4 Bd5 (24...Re7 25.Nc3+/-) 25.Nc3+- Re6 (25...Rad8 26.bc6 bc6 27.Rb7+-) 26.Nd5 (26.bc6!? bc6 27.Nd5 cd5+-) 26...cd5 27.Re1 (27.Rc1 Kf8+-) 27...Rae8 (27...Re1 28.Ke1 Kf8 29.Rb2+-) 28.Re6 Re6 (28...fe6 29.Rb3+-) 29.Rb3 (29.c6 Kf8 30.b6 a6 31.cb7 Re8+-) 29...Kf8 30.h3 (30.Re3 Rh6+-) 30...g5 (30...Re7 31.a5 g5 32.Re3+-) 31.Rc3 (31.Re3 Re7+-) 31...Ke7 (31...Re7 32.a5+-) 32.Re3 f5 33.g3 h5 (33...f4 34.Re6 Ke6 35.gf4 gf4 36.a5+-) 34.a5 Kd7 (34...f4 35.Re6 Ke6 36.gf4 gf4 37.c6+-) 35.Re6 Ke6 36.Ke3 a6 (36...h4 37.gh4 f4 38.Ke2 gh4+-) 37.c6 Kd6 38.cb7 Kc7 39.ba6 Kb8 40.f4 h4 41.fg5 hg3 42.g6 f4 43.Kf3 (43…Kc7 44.g7 Kb8 45.g8Q Kc7 46.b8Q Kc6 47.Qe6) 1–0. Poschmann,Hans – Caccam,Arsenio, CalChess Season opener, 1993.

6.c4 Ne4 (6...d5 7.Nf3=) 7.f3 (7.Nc3 Qb4 8.Qc2+- (8.Ne4?! Qb2 9.Nf3 ab5=)) 7...Nc5? (better 7...Nf6!?+=) 8.Bc3+- Qd8 (better 8...Qb6!? 9.d4 ab5 10.cb5 cb5 11.dc5 Qc5+-) 9.d4+- ab5 10.ab5 Ra1 11.Ba1 Qa5 (11...Qg5 12.Kf2 (12.dc5?! Qe3 13.Ne2 Qc5+-) 12...d5 13.dc5 Bc5 14.Bd4 Bd4 15.Qd4+-) 12.Bc3 Qa4 (12...Qa7 13.dc5 f6 14.Ne2+-) 13.dc5 Qd1 14.Kd1 Bc5 15.Bg7 Rg8 16.Bd4 Bb4 (16...d6 17.Bc5 dc5 18.Nc3+-) 17.Ba7 (17.Ba7 cb5 18.Bb8 bc4 19.Bc4 Rg2 20.Ne2+-) 1–0. DEFFM – GuestYZMJ, freechess.org, 2019.

6.Nf3 ab5 7.ab5+/- Qa1 8.Ba1 Ra1 9.Be2 cb5 10.Bb5 g6 11.c4 Bg7 12.Qc2 Nc6 13.0-0 0-0 14.Nc3 Nb4 15.Qb2 Rf1 16.Kf1 Nd3 17.Qa3 b6 18.Na4 Nc5 19.Nb6 d6 20.d4 Nce4 21.Qa7 e5 22.Nc8 Rc8 23.de5 de5 24.Ne5 Rf8 25.f3 Nd6 26.Nc6 Nc8 27.Qc7 Kh8 28.Ba6 (28.Ba6 h6 29.Bc8+-) 1–0. marekt – Puroktoy, ChessHere.com, 2005.

6.ab5 Qb6 7.Nf3 (7.Bd4 Bc5 8.Bf6 gf6+=) 7...a6 (7...d5 8.Bd3+=) 8.Bd3 (better is 8.Bd4 Qd8 9.Nc3+=) 8...g6?? (better is 8...d5+=) 9.Bf6+- Rg8 10.Ng5 (10.Nc3 Bg7 11.Bg7 Rg7+-) 10...h6 11.Nh7 Be7 12.0-0 (12.Nc3 d5+-) 12...d5 13.Bd4 (13.ba6 ba6 14.Nc3 Qd8+-) 13...Qd6 14.f4 f5 (14...Nd7 15.Nc3+-) 15.c4 (15.Nf6 Bf6 16.Bf6 Nd7+-) 15...a5 (15...Nd7 16.Nc3+-) 16.c5 (16.Nf6 Bf6 17.Bf6 Nd7+-) 16...Qd8 17.Nc3 Nd7 (17...Kf7 18.Na4 Nd7 19.c6 bc6 20.bc6+-) 18.c6 bc6 (18...Nc5 19.Be2+-) 19.bc6 Nc5 20.Bb5 Kf7 21.Be5 (21.Rc1 Rg7 22.Nf6 Bf6 23.Bc5 Ba6+-) 21...Qb6 (21...Rg7 22.c7 (22.Bg7?! Kg7 23.d4 Ne4 24.Ne4 fe4+-) 22...Qg8 23.d4+-) 22.Rb1 (22.c7 Ba6+-) 22...Ba6 23.Ba4 Qa7 24.Nb5 Bb5 25.Rb5 Nd3 (25...Qa6 26.c7+-) 26.Bd4 Qc7 (26...Qa6 27.Rb7 Rgb8 28.Bb5 Qb5 29.Rb5 Rb5 30.Qc2+-) 27.Rb7 Qd6 28.Qc2 Nb4 (28...Rg7 29.Bg7 Kg7 30.Rd7+-) 29.Qc3 g5 (29...Rge8 30.Be5 d4 31.ed4+-) 30.Bc5 Qc5 (30...d4 31.ed4 Qd8 32.Be7 Qe7 33.Bb3+-) 31.Qc5 (31.Qf6! Ke8 32.c7 Nc6 33.Bc6 Qc6 34.c8Q Rc8 35.Qe7) 31...Rae8+- 32.Qd4 (32.fg5 hg5 33.Qd6 Rg7+-) 32...Kg6 33.Re7! Re7 (33...Re7 34.Qf6 Double attack (34.Qf6 Decoy)) 34.Qf6 Kh7 35.Qe7 Rg7 36.Qe6 gf4 37.Qf5 Rg6 (37...Kg8 38.Qf4 Kh7 39.Qf5 Rg6 40.c7 Nc6 41.Qf7 Rg7 42.Bc2 Kh8 43.Qf8 Rg8 44.Qh6) 38.c7 fe3 (38...Nd3 39.c8Q Ne5 40.Qc7 Nd7 41.Qfd7 Kg8 42.Qcd8) 39.c8Q ed2 (39...e2 40.Qf7 Rg7 41.Qcg8) 40.Qf7 Rg7 41.Qcg8 1–0. DEFFM – GuestWFSV, freechess.org, 2018.

6.ab5 Qc7 7.Bd4 Be7?? (better is 7...a6+=) 8.b6+- Qd8 9.Ra7 (9…Nc6 10.Ra8 Nd4 11.ed4+-) 1–0. kamret (2215) – NN, GameColony.com, 2003.

6.ab5 Qd8 7.Nf3 b6 (7...d5 8.Bd4+=) 8.Bd3 d6 (8...d5 9.0-0+=) 9.0-0 Nbd7 (9...Be7 10.Qe2+/-) 10.Nd4 (10.Nc3 Be7+=) 10...Bb7+= 11.f4 (11.Be2 Be7+=) 11...Ne4 (11...Nc5!?+=) 12.Nc6+/- Bc6 13.bc6 Ndc5 (better is 13...Ndf6!?+/-) 14.Bb5+- Qc7 15.d4 Nb7?? (15...a6+-) 16.cb7 (16.cb7 Kd8 17.ba8Q Qc8 18.Qa7+-) 1–0. DEFFM – GuestQCCZ, freechess.org, 2018.

6.Nf3 0-0 7.c4 cb5 (7...d5 8.Be2=) 8.ab5 Qb6 (8...Qd8 9.Be2=) 9.Be2 (9.Bd4 Bc5 10.Bf6 gf6+/-) 9...d5 (9...a6 10.0-0+=) 10.Bd4 Bc5 (10...Qd8 11.Ra7 Ra7 12.Ba7+=) 11.Bf6+/- gf6 12.0-0 (12.cd5 ed5 13.Nc3 Qd6+/-) 12...d4 13.Qc2 Nd7 (13...Rd8 14.Ra4+=) 14.Nd4 (14.Qe4 f5 15.Qf4 Qd6 16.Qd6 Bd6 17.ed4 a5+/-) 14...Bd4+= 15.ed4 Qd4 16.Ra3 Ne5 (16...Rd8 17.Rg3 Kh8 18.Rg4+/-) 17.c5+/- Bd7? (better is 17...Rd8!?+/-) 18.Ra4+- (18.Ra4 Qd5 19.Nc3 Qc5 20.d4+-) 1–0. GuestKNZL – GuestZBBV, freechess.org, 2018.

6.Nf3 Qc7 7.Be2 0-0 8.0-0 cb5 9.ab5 b6 10.d4 Ne4 11.Nbd2 Ng5 12.c4 Nf3 13.Nf3 d5 14.cd5 ed5 15.Qb3 Be6 16.Rfc1 Qd8 17.Qc3 Bd6 18.Ne5 Qh4 19.g3 Qh6 20.Nc6 Nc6 21.bc6 Bh3 22.Bf3 Rac8 23.Bd5 Qg5 24.Bf3 Qf5 25.Bh1 a5 26.e4 Qg6 27.e5 Bb4 28.Qf3 Bg4 29.Qe3 Rfe8 30.Be4 Bf5 31.Bg2 Bg4 32.d5 b5 33.d6 Bd6 34.Qb6 Bb4 35.Qb5 Qg5 36.h4 Qd2 37.c7 Qb2 38.Qe8 Re8 39.c8Q Bc8 40.Bc6 Rd8 41.Bg2 Qe5 0–1. Orang4Utan (1845) – Ilyosbekk00 (1685), lichess.org, 2020.

5.Nc3 d5 6.e3 Bd6 7.f4 e5 8.fe5 Be5 9.Nf3 Bd6 10.Be2 Bg4 11.Nd4 Be2=+ 12.Nce2 Be5 13.bc6 bc6 14.Rb1 Qc7 15.Nf5 Bb2 16.Rb2 Qe5 17.Qb1 0-0 18.0-0 Nbd7 19.Ned4 Rab8 20.Rb8 Rb8 21.Qe1 Rc8 22.Qe2 Nb8 23.Nh6 Kf8 24.Ng4 Ng4 25.Qg4 Re8 26.Nf5 Re6? 27.d4+- Rg6 28.Qg6 hg6 29.de5 gf5 30.Rf5 Ke7 31.Rh5 Nd7 32.a5 Ke6 33.Rh8 Ke5 34.Ra8 Nc5 35.Ra7 1–0. mtr – Prastudy, littlegolem.net, 2009.

5.c4 Ne4 6.Nf3 Qa5 7.Nc3 Nc3 8.Bc3 Qc7 9.e4 f6 10.Be2 Bd6 11.d4 ab5 12.c5 (12.cb5?! cb5 13.Bd2 ba4 14.Ra4 Ra4 15.Qa4 Qc6=+) 12...Be7 13.ab5 Ra1 14.Qa1 cb5 15.Bb5 Nc6 (15...b6 16.cb6 Qb6 17.Qa5 Qa5 18.Ba5=) 16.0-0+- Qf4 (16...b6 17.d5 ed5 18.ed5+-) 17.Bd3 0-0 (17...d6 18.Bd2 Qg4 19.d5 ed5 20.ed5+-) 18.Bd2 Qb8 19.d5 Bc5 20.dc6 dc6 21.g3 (21.e5 Qa7 22.Qb1 f5+-) 21...Bd6 22.Nh4 Be5 23.Qb1 b5 24.Be3 Rd8 25.f4 (25.Nf3 Bd7+-) 25...Bd4 26.Bd4 Rd4 27.Nf3 Rd8 28.e5 f5 29.Qb3 Qb6 30.Kg2 Rd5? (30...Qe3 31.Rd1 Rd5 32.Ng5+-) 31.h3 (31.Bc4 Qa5 32.Bd5 cd5+-) 31...Bd7?? (31...Qe3 32.Bc4 Qb3 33.Bb3+-) 32.Qa3 (better 32.Bc4+-) 32...Qb7 33.g4 c5 (33...Bc8!?+-) 34.gf5 ef5 35.Qb3 (35.Rb1 b4 36.Bc4 Bb5 (36...ba3?? 37.Rb7 Bc6 38.Rc7+-) 37.Bd5 Qd5+-) 35...Kf8 36.Bc4! Bc6? (36...bc4 37.Qb7 Pinning (37.Qb7 Deflection)) 37.Bd5+- Bd5 38.Qd3 Qd7 Black plans c4 (38...b4 39.Qf5 Kg8 40.e6+-) 39.Kh2 (better 39.Rd1!? Bf3 40.Qf3 Qc8+-) 39...c4 40.Qa3 Qe7 41.Qe7 Ke7 42.Nd4 b4 43.Nf5 Kf8 44.Rd1 Be6 45.Nd4 (45.Ne3 b3 46.f5 Bf7 47.Rd8 Ke7+-) 45...Bf7 (45...Bd5+-) 46.e6 Be8 47.Rb1 (better 47.Rc1 c3 48.Rb1 c2 49.Nc2 Bg6+-) 47...b3 48.Nb3! cb3 49.Rb3 Ke7 50.Re3 (50.f5 g6 51.Rb7 Kf6+-) 50...Bg6 51.Kg3 (51.Re5!? Be8+-) 51...Bf5 52.Re5 g6 53.Kf2?? (53.Rf5!? gf5 54.Kh4 Ke6+-) 53...Be6? (better 53...Bh3 54.Kf3 Be6+=) 54.Ke3 Kd6 55.Kd4 (55.h4 Bg4+-) 55...Ba2? (better 55...Bh3 56.Ra5 Ke6+=) 56.Ra5+- Bb1 57.Ra6 Kc7 58.Ke5 Kd7 (58...Kb7 59.Re6 Kc8 60.Re8 Kd7 61.Rb8+-) 59.Kf6 Ke8 60.Kg7 (60.Ra8!? Kd7+-) 60...Ke7 61.Rg6?? (better 61.Kh7 Kf7 62.Kh6+-) 61…Bg6–+ (61...hg6?! 62.h4=). Satka,Martin – Daebel,Hasso_Dr, 8sen.LSEM Brandenburg, 2000.

5.bc6 bc6 6.Nf3 (6.Nc3 d5=) 6...c5 (6...d5 7.Na3=) 7.g3 (7.Nc3 d5=) 7...Nc6 (7...d5 8.Bg2=) 8.Bg2 (8.Nc3 d5=+) 8...Rb8 9.Ba3 (9.Bf6 Qf6 10.Nc3 d5=+) 9...d5=+ 10.0-0 Be7 11.d3 0-0 12.Nbd2 Qc7 13.c3 a5 (13...Rd8 14.c4-/+) 14.Qc2 (14.Rb1 Rb1 15.Qb1 e5=+) 14...Ba6 (14...e5 15.Rab1-/+) 15.Rfe1 (15.Rab1 Bb7=+) 15...Rfd8 16.Rab1 e5 17.Rb8 Rb8 18.Qa2 (18.e4 Bb7=+) 18...h6 (18...e4 19.de4 de4 20.Ng5+=) 19.Nh4 (19.c4 e4 20.de4 de4-/+) 19...Qd7 20.Rb1 (20.c4=+) 20...g5 (20...Rb1 21.Qb1 Qg4+=) 21.Rb8= Nb8 22.Qb3 Bd6 23.Nhf3 e4 24.de4= de4 25.Ne1 e3 26.fe3 c4 27.Qb6 Ba3 28.Qb8 Kg7 29.Nef3 Qa4 30.Nd4 Qe8 31.Nf5= Kg6 32.Qb1 Qb5 33.Ne7 Kg7 34.Nf5= Kg6 35.Ne7-/+ Kg7 36.Nf5= Kf8 37.Qf1 Qe5 38.Qf3 Bc8 39.Nd4 Be6 40.Ne4?? Nd5 41.Nc6 Qc7 42.Nd4= Kg7 43.h4 Bc1 44.hg5 Be3 45.Kh2 Bg5 46.Bh3 Qe5 47.Be6 fe6 48.Nc5 Nc7=+ 49.Qc6 Kg6?? 50.Nd7+- Qe3 51.Kg2?? Nd5 52.Nf8= Kh5 53.Nfe6 Qe4 54.Kh2+= Nf6 55.Nc5 Qe3 56.Kg2 Qc3-/+ 57.Nf3 Qe3 58.Kh3 Qe2–+ 59.Nh2 Kg6 60.Nd7?? Qh5 61.Kg2 Qe2?? 62.Kh3= Qe8 (63.Qc4 Qd7 (< 63...Nd7 64.Qa6 Bf6 65.Qa5–+) 64.Kg2 Qd2 65.Kh3 Qd1–+) 0–1. Volke,Karsten (2480) – Shulman,Yuri (2425), Minsk, 1994.

5.bc6 dc6 6.Nf3=.

5.bc6 Nc6 6.c4 Ne4 7.e3 Qb6 8.Qc1 d5 9.cd5 (9.cd5 ed5 10.Nc3=+). Borucki – Lach, corr 1AMM Poland, 1991.

5.e3 a5 6.Nf3 Bc5 7.d4 Ba7 (7...Bb4 8.c3 Be7 9.Bd3+=) 8.Bd3 d5 9.Ba3 Bd7 10.Nc3 Ng8 (10...Qc7 11.bc6 Bc6 12.Nb5 Bb5 13.Bb5 Nbd7 14.c4+/-) 11.0-0+/- Ne7 12.Ne5 0-0 13.Qg4 f6 14.Qh4 fe5?? (better 14...g6+/-) 15.Qh7 (15.Qe7?! Qe7 16.Be7 Re8=) 15...Kf7 16.Qh5 (16.de5 c5 17.Qh5 g6 18.Qh7 Ke8 19.Bg6 Ng6 20.Qg6 Rf7+/-) 16...Kf6 (16...g6 17.Qh7 Ke8 18.Bg6 Ng6 19.Qg6 Rf7 20.Qg8 Rf8 21.Qf8) 17.de5 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

5.e3 Bb4 6.Nf3 0-0 7.Bd3 (7.Be2 b6=) 7...Nd5 (7...d6 8.c3 Ba5 9.0-0=) 8.0-0 (8.c4 Nf6=) 8...Nb6 (8...d6 9.c3 Bc5 10.Bc2=) 9.a5+= Nd5 10.c4 Nf6 11.Ra4 (11.Qa4 c5+=) 11...Ba5= 12.ba6 (12.Ng5 Bc7=) 12...Na6 13.Ng5 h6 14.Bf6 Qf6 15.Nh7 Qd8 16.Nf8 Kf8 17.Qh5 Bc7 18.Nc3 (18.Be2 d5+/-) 18...b6 (18...d5 19.cd5 ed5 20.Ba6 ba6 21.Rc1+/-) 19.g3 (19.Rfa1 Kg8+/-) 19...Bb7 (19...d5 20.Rfa1 dc4 21.Be4+=) 20.Bc2 (20.Rfa1 Kg8+/-) 20...Nc5 (20...Qg5 21.Qf3+/-) 21.Ra8 Qa8 22.Rb1 (22.d4 Qa5 23.dc5 Qc3 24.cb6 Bd8+-) 22...d5 (22...Qa5 23.Qh4+=) 23.cd5 cd5 24.d4 Nd7 (24...Ne4 25.Nb5 Qa2 26.Qd1+/- (26.Nc7 Qc2 27.Ne6 Ke7-/+)) 25.Nb5 Bd8? (better is 25...Bb8+/-) 26.Nd6+- Nf6?? (26...Ke7 27.Nf7 Bc7+-) 27.Qf7 1–0. DEFFM – GuestFZYV, freechess.org, 2018.

5.e3 Bc5 6.d4 Bb6 7.Nf3 d5 8.Bd3 0-0 9.0-0 c5 10.c4 (10.dc5 Bc5 11.Nbd2 b6+=) 10...dc4 (10...cd4 11.Nd4 e5 12.Nb3=) 11.Bc4+= cd4 12.Nd4 Qc7 13.Nd2 Nbd7 14.Rc1 Ne5 (14...Nc5!?+=) 15.Be6!+- Qe7 (15...fe6 16.Rc7 Annihilates a defender: c7) 16.Bc8 Rac8 (16...Rfc8 17.Qb3 Rd8 18.Rfd1+-) 17.Qb3 Neg4 (17...Nfd7 18.Ne4 Bd4 19.Bd4+-) 18.ba6+- Bd4 (18...Rc1 19.Rc1 (19.Bc1?! Qc7 20.N4f3 ba6+-; 19.Qb6?! Rf1 20.Nf1 ba6=) 19...Bd4 20.Bd4 (worse 20.ed4 ba6 21.Ba3 Qe2 22.Bf8 Qf2 23.Kh1 Ne3+-) 20...ba6 21.h3+-) 19.Ba3 (19.Rc8 Rc8 20.Qb7 Qf8 21.Bd4 Rb8+-) 19...Qe5 (19...Qd7 20.Bf8 Rf8 21.ed4 ba6+-) 20.Nf3 Qe4 (20...Qh5 21.Rc8 Rc8 22.ab7 Rb8 23.ed4 Ne8+-) 21.ab7 (worse 21.ed4 ba6 22.Bf8 Rf8+-; worse 21.Nd4 ba6 22.Bf8 Rf8+-; worse 21.Bf8 Rf8 22.Nd4 ba6+-) 21...Rb8 (21...Rc1 22.Rc1 (22.Bc1?! Ba7=) 22...Ba7 23.Bf8 Kf8 24.Rc4+-) 22.Bf8 (22.Bf8 Rb7 23.Rc8+- (23.Nd4?! Rb3 24.Rc8 Ne8 25.Nb3 Kf8=+)) 1–0. onur604 (2320) – Immatureguy (2140), lichess.org, 2020.

5.e3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c6).

5.e3 d6 6.Nf3 (6.Nc3 d5+=) 6...e5 (6...ab5 7.ab5 Ra1 8.Ba1=) 7.c4 (7.Nc3!?+=) 7...Be7 8.Nc3 h6 (8...0-0 9.Be2=) 9.d4+= e4 10.Nd2 d5 11.Be2 0-0 12.bc6 (12.0-0 Be6+=) 12...bc6 13.cd5 (13.0-0 Be6=) 13...cd5= 14.Ba3 Re8 (14...Ba3 15.Ra3 Nc6 16.0-0=) 15.0-0 Nc6 (15...Bf5 16.Qc2=) 16.Be7 Re7 17.Nb3 a5 (17...Qd6 18.Rb1=) 18.Nc5 Nb4 19.Qb3 (19.Nb5 Re8+=) 19...Rb8 (19...Rc7 20.Nb5 Rc6 21.Rfc1=) 20.Nb5 Rb6 (20...Bf5 21.Rfc1=) 21.Rac1 Nh7 (21...Nd7 22.Rfd1+=) 22.Rc3 Rg6 23.Kh1 Re8 24.f3 (better 24.Rb1!?+=) 24...Bh3=+ 25.Rg1 (25.gh3?? Qg5 26.Qb4 Qg2) 25...Qg5 26.g3 ef3 27.Bf3 Rf6 28.e4 Rf3?? (better 28...Qd2 29.e5 Ng5=+) 29.Rf3+- Bg4 30.Rf4 (30.Rf2 Qh5 31.Rgf1 Ng5+=) 30...Qh5+- 31.Rgf1 Ng5 32.Nd6 (32.ed5?! Qh3 33.Kg1 Re2=+) 32...Rf8 33.Nf5 Nh3 (33...Be2 34.g4 Bg4 35.Ne7 Kh8 36.Qg3+- (worse 36.Nd5 Be2+=)) 34.Nd7 (better 34.Ne6 Nf4 35.Ne7 (worse 35.Nf4 Qg5 36.Ne3 Be6+=) 35...Kh8 36.Nf4+- (worse 36.Nf8 Bh3 37.Re1 Qg4=+)) 34...Rd8?? (34...Nf4 35.Rf4 Bf5 36.Rf5 Qe2 37.Nf8 Nc2=) 35.Rg4!+- Rd7 (35...Qg4 36.Ne3 Double attack (36.Ne3 Decoy)) 36.Rg7 Kh8 37.g4 (37.g4 Qh4 38.Nh4 Kg7 39.Nf5 Kg8 40.Qh3 f6 41.Qh6 Nc6 42.Qg6 Kf8 43.Qf6 Kg8 44.Qg6 Kh8 45.Ne7 Ne7 46.Rf8 Ng8 47.Rg8) 1–0. Ramkrishna,Kashelkar (2185) – Laxman,R R (2240), Rochess Open Rating, 2001.

5.Nf3 ab5 6.ab5 Ra1 7.Ba1 d5=.

6.Qb3 Ba5 7.e3 0-0 8.Nf3 Ne4 9.Be2 Nc5 (9...d5!?=) 10.Qc2+- f6 (10...d5 11.Nc3+-) 11.0-0 d5 (11...f5 12.Nc3+-) 12.d4 (better 12.cd5!? Qd5 13.d4+-) 12...Ne4+- 13.Nbd2 Nd2 14.Nd2 Bc7 (14...Bb4 15.Bd3 g6 16.Nf3+-) 15.Bd3 f5 16.c5 (16.Nf3+-) 16...b6? (16...Nd7 17.Ra3+-) 17.Ba3 (better 17.cb6 Bd6 18.bc6 Qb6 19.Rfc1+-) 17...e5?? (17...bc5 18.Qc5 Rf7 19.bc6+-) 18.bc6 (better 18.cb6 Bb6 19.Bf8 Qf8 20.de5 ab5 21.ab5 Ra1 22.Ra1+-) 18...b5 (18...bc5!? 19.de5 Be5+-) 19.ab5+- ab5 (19...e4 20.b6 ed3 21.Qd3 Nc6 22.bc7 Qc7 23.Rfb1+-) 20.Bb5 Ba6 (20...Ra5 21.Rfb1+-) 21.Bb2 Bb5 22.Ra8 Bf1 23.Kf1 e4 (23...ed4 24.Bd4 Qe8 25.Nf3+-) 24.g3 (24.Qb3 Kh8 25.g3 g5+-) 24...Qe7?? (24...Qe8+-) 25.Qa4 (25.Qb3 Qe6 26.Qb7 Rf7 27.Rb8 Bb8 28.Qb8 Rf8+-) 25...Qg5? (25...Qe6 26.Nb1 f4 27.ef4 Bf4 28.gf4+-) 26.Ra7 (26.Qb3 f4 27.ef4 Qf5+-) 26...Rf7? (26...f4 27.Ne4 Qf5 28.ef4 Qe4 29.Rc7 Qb1 30.Bc1 Qc1 31.Kg2 Qe1+=) 27.Qb5 Qd8 28.Bc3 (28.Nb1 h6+-) 28...Qe8 (28...g5+-) 29.Qb7 (better 29.Ra8 Rf8 30.Qb7+-) 29...Nc6 30.Ra8 Bb8 31.Rb8 (31.Qb3!? Rd7+-) 31...Nb8+- 32.Qd5 g6? (better 32...Qc6 33.Qb3 Na6+-) 33.Qc4+- Nc6 (33...Kg7+-) 34.d5 Ne5 (34...Kf8+-) 35.Qd4 Re7 (35...Kf8 36.c6 Nc6 37.dc6 Qc6 38.Qd8 Qe8 39.Bb4 Re7 40.Be7 Kf7 41.Qe8 Ke8 42.Bg5+-) 36.d6 Re6 (36...Ra7 37.Qe5 Qe5 38.Be5+-) 37.Kg2 Qc6 (37...Qf8 38.Qd5 Qf7 39.Be5 Re8+-) 38.Nc4 (38.Nc4 Qa4 39.Ne5 Qd4 40.ed4 Re8 41.d7 Rb8 42.c6 Kg7 43.c7 Rf8 44.d8Q f4 45.Qe7 Kg8 46.Ng4 f3 47.Kh3 h6 48.Nh6 Kh8 49.d5 Rf6 50.c8Q) 1–0. UncleBulgaria (2425) – Sacable (1720), ChessWorld.net, 2015.

6.Nc3 0-0 7.e3 d5 8.Nf3 Nbd7 9.Qb3 a5 10.Be2 Qc7 (10...e5 11.cd5 Nc5 12.Qc2=) 11.d4 cb5 12.ab5 (better is 12.cb5!? Ne4 13.Rc1+=) 12...dc4-/+ 13.Bc4 Nb6 14.Bd3? (better is 14.Nd2+=) 14...Nfd5–+ 15.Rc1 Qd6?? (better is 15...a4 16.Qc2 a3 17.Bh7 Kh8–+) 16.0-0= Bd7 17.Ne4 Qe7 18.Nc5 Rfc8 19.Nd7 Qd7 20.Ne5 Qd6 21.Qa2 (21.Rc8 Rc8 22.Rc1 Rc1 23.Bc1 Qc7=) 21...Rc7 22.Rc7 Qc7 23.Rc1 Qd6 24.h3 (24.Qb1 g6=) 24...Rc8 (24...a4!?=) 25.Rc8+= Nc8 26.Nc4 Qe7 (better is 26...Qd8!?+=) 27.Na5+/- b6 (27...Nd6!?+/-) 28.Nc6+- Qd6 (28...Qf8 29.Qb1 (29.Nb4?! Nb4 30.Bh7 Kh7 31.Qb1 Kg8+/-) 29...h6 30.Qc1+-) 29.Qa8 Qf8?? (29...Qd7+-) 30.Nb4 Nb4 31.Ba3 (31.Ba3 g6 32.Qa4+-) 1–0. GuestKHVP – GuestVHKD, freechess.org, 2017.

6.e3 0-0 7.Nf3 d5 8.Be2 Qa5 9.0-0 Qb6 (9...dc4!? 10.Bc4 Rd8= (worse 10...ab5 11.ab5 Qa1 12.Ba1 Ra1 13.Qb3+-; worse 10...cb5 11.ab5 Qd8 12.d3+=)) 10.Bf6+= gf6 11.Nc3 Bc3 12.dc3 Rd8 13.a5 Qc7 14.bc6 (14.b6 Qd6+-) 14...dc4 15.Qa4 Qc6 16.Qc6 Nc6 (worse 16...bc6 17.Rfd1 Bd7 18.Nd2+=) 17.Bc4 e5 18.h3 Kg7 19.Rfd1 (19.Rfb1 Ra7=) 19...Bd7 (better 19...Rd1!? 20.Rd1 Na5-/+) 20.Be2 (20.e4 Be6 21.Bd5 Rac8+=) 20...e4 (20...Bf5 21.Rd2=) 21.Nd4 Rac8 22.Nc6 Bc6 (22...Rc6? 23.Bg4 Rc7 24.Rac1+-) 23.c4 f5 24.g3 Rd6?? (better 24...Rd1 25.Rd1 Re8=) 25.Rd6+- (25.Rd6 h6 26.c5+-) 1–0. mr5reasons1 (1805) – fishdrzig, gameknot.com, 2020.

6.ab5 Ra1 7.Ba1 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.a4 ab5 5.ab5 Ra1 6.Ba1 c6 7.c4).

6.ab5 Ra1 7.Ba1 cb5 8.cb5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.c4 ab5 5.cb5 c6 6.a4 cb5 7.ab5 Ra1 8.Ba1).

6.ab5 Ra1 7.Ba1 d5 8.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.c4).

6.ab5 cb5?? 7.Ra8+- (7.Ra8 Na6 8.cb5+-) 1–0. Adelante (1680) – Fournier,Frederic (1650), Partie evaluee, 2009.

6.cb5 cb5 7.ab5 Ra1 8.Ba1 Qa5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.c4 ab5 5.cb5 c5 6.a4 cb5 7.ab5 Ra1 8.Ba1 Qa5).

6.cb5 b6 7.Nf3 Be7 8.e3 0-0 9.Qc2 cb5 10.Ng5 h6 11.Bf6 hg5 12.ab5 Ra1 13.Ba1 Bf6 14.Bf6+/- Qf6 15.Qc7 Qb2 16.Nc3 Qc1 17.Ke2 Na6 18.Qb6 Nb4 19.Qd6 Bb7?? 20.Qb4+- (20.Qb4 Rc8 21.h4+-) 1–0. Fritz 8 – NN, 2005.

6.cb5 d5 7.e3 Bd6 8.Nf3 0-0 9.Be2 Bd7 (9...Qe7 10.d3=+) 10.0-0 cb5 11.ab5 Ra1 12.Ba1 Qa5 (12...Qe7 13.Be5=) 13.Bc3 Qb6 14.Qc2 Bb5? (better is 14...Rc8+=) 15.Qb2+- (15…Nbd7 16.Bb5+-) 1–0. Trkn – guest1713, ICC, 2004.

6.d4 Bb4 7.Bc3 Qa5 8.Bb4 Qb4 9.Nd2 ab5 10.ab5 Ra1 11.Qa1 cb5 12.cb5 Qb5=+.

6.e3 0-0 7.d4 Bb4 8.Bc3 Bc3 9.Nc3 Qa5=.

6.e3 0-0 7.Be2 ab5=+ 8.ab5 Ra1 9.Ba1 d5 10.Nf3 dc4 11.Bc4 cb5 (11...Bd7 12.Nc3=) 12.Bb5= Qa5 (12...Bd7 13.Qb3=) 13.Nc3 (13.Qa4 Qa4 14.Ba4 Bd7=) 13...Bd7 14.Qb1 Bb5 (14...Rc8 15.0-0=) 15.Nb5 Bb4 (15...Ne4 16.Bc3 Nc3 17.Nc3=) 16.Nc3 (16.Bf6 gf6 (< 16...Qb5 17.Be7 Rc8 18.Nd4+/-) 17.Nbd4 Nc6+=) 16...Nbd7 (16...Nc6 17.0-0=) 17.0-0 h6 (17...Ra8 18.Rc1=) 18.Qb2 (18.Ne4 Ne4 19.Qe4 Rc8+= (19...Bd2? 20.Qd4 Nf6 21.Nd2+-)) 18...Nc5 (18...Ra8 19.Ne4=) 19.d4 (19.Na2 Nd3 20.Qb1+/-) 19...Nd3=+ 20.Qa2?? (better is 20.Qc2 Nf2 21.Kf2 Bc3 22.Bc3 Qc3 23.Qc3 Ne4 24.Ke2 Nc3 25.Kd3=+) 20...Bc3–+ 21.Qa5 Ba5 22.Ne5 Ne5 23.de5 Ne4 24.Bd4 Rc8 25.f3 Nd2 26.Rd1 b5 27.e4 Rd8 28.Ra1 Nb3 29.Ra5 Na5 30.Bb6 Rd1 31.Kf2 Nc4 32.Bc5 Ne5 33.Ke2 Rc1 34.Bd4 Nc4 35.Kf2 b4 36.h4 e5 0–1. Brogger,Gunnar – Neatham,Graeme, IECC, 2000.

6.e3 0-0 7.Qf3 Be7=.

6.e3 0-0 7.Nf3 d6 8.Qb3 (better is 8.d4 Bb4 9.Bc3 Bc3 10.Nc3=) 8...b6?? (better is 8...cb5 9.ab5 Bb6=) 9.d4+- Ne4 (9...ab5 10.cb5 Nbd7 11.bc6+- (11.dc5?! Nc5 12.Qd1 Bb7+-)) 10.dc5 (10.Bd3 ab5 11.Be4 bc4+-) 10...Nc5 11.Qc3 f6 (11...e5 12.Bd3+-) 12.Nbd2 (12.Bd3 Nd3 13.Qd3 Bb7+-) 12...Bb7 13.Ng5 Qe7 14.Nge4 Ne4+/- 15.Ne4 d5? 16.Ba3 c5 17.Nd2 Nd7 18.Nf3 e5 19.cd5 Bd5 20.Bc4 Bc4 21.Qc4 Kh8 22.0-0 Rfe8 23.e4 ab5 24.ab5 h6 25.Bb2 Ra1 26.Ra1 Qd6 27.Qe2 Nf8 28.Rd1 Qc7 29.Qd3 Kh7 30.Bc1 Ne6 31.g3 Rd8 32.Qe2 Rd1 33.Qd1 c4 34.Qd5 Nd8 35.Nd2 c3 36.Nc4 Nb7 37.Qd3 Nc5 38.Qc3 Ne4 39.Qd3 f5 40.f3 Nf6 41.Qf5 Kh8 42.Qd3 Qc5 43.Be3 Qb5 44.Bb6 Qe8 45.Qd8 Qd8 46.Bd8 Nd5 47.Ne5 Kh7 48.Kf2 g5 49.g4 Kg7 50.h4 gh4 51.Bh4 Nf4 52.Bd8 Ng6 53.Nc6 Kf7 54.Kg3 Ke8 55.Bb6 Kd7 56.Nd4 Nh8 57.Nf5 Nf7 58.f4 Ke6 59.Kh4 Kf6 60.Kh5 Ke6 61.Nh6 1–0. Schmeding,Heinrich – Roenn,Ruth, Bahn–chS Bernkastel–Kues, 1995.

6.e3 cb5 7.cb5 d5 8.Nf3=+.

6.cd5 ed5 7.e3 Be7 8.Qb3 (8.Nc3!?=) 8...0-0-/+ 9.Nf3 Be6 10.Ng5 (10.Qc2 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Qa5=+) 10...Ne4 (10...Bf5 11.Bd3 Ne4 12.Ne4 de4 13.Bc4-/+) 11.Ne6=+ fe6 12.f3 Nd6 (12...Nc5 13.Qc2 Bd6=+) 13.ba6 (better 13.Bd3!?=) 13...Na6-/+ 14.Ba6 (14.Ba3 Bh4 15.g3 Bf6-/+) 14...Ra6 15.0-0 Nc4 16.Bd4 (16.Qc2 Qc7-/+) 16...c5 (16...e5!? 17.Bc3 Rb6–+) 17.Bc3-/+ Rb6 (17...Rf7 18.Qc2-/+) 18.Qc2 Bf6 (18...Rc6 19.Qa2-/+) 19.Na3=+ Na3 20.Ra3 Bc3 (20...Qd6 21.a5 Rb5 22.Bf6 Rf6 23.Rb3=) 21.Rc3 Rc6 (better 21...c4=) 22.Rc5+- (22.Rc5 Qc7 23.Rc1 Rc5 24.Qc5 Qc5 25.Rc5+-) 1–0. DEFFM – GuestJVHY, freechess.org, 2019.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c6 6.c4).

7.Ba1 Bb4 8.c4 Qe7 (8...d5 9.Nf3=) 9.Nf3 0-0 10.Be2 d5 11.0-0 dc4 12.Bc4 Bd7 13.Ne5 cb5 14.Nd7 Qd7 (worse 14...bc4 15.Nf8 Kf8 16.Qc2+/-; 14...Nbd7?! 15.Bb5 Ra8 16.Bb2=) 15.Bf6 gf6 (15...bc4 16.Qg4 g6 17.Qc4 A) 17...Bd2?? 18.Qf4 (18.Nd2?! Qd2 19.Rb1 Nc6=) 18...Qd8 19.Bd8 Rd8 20.Qc7+-; B) 17...Bd6=) 16.Qg4+/- Kh8 17.Be6 fe6 18.Qb4 Na6?? (better 18...Rf7+/-) 19.Qf8 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.Ba1 b6 8.c4 c5 9.Nf3 d5 10.Bd3 (10.Bf6 Qf6 11.Nc3 d4+=) 10...Bd6 (10...Nbd7 11.Nc3=) 11.0-0 (11.Bf6 Qf6 12.Nc3 dc4=) 11...0-0 (11...Nbd7 12.Qa4=) 12.Qc2 (12.Bf6 Qf6 (worse 12...gf6 13.cd5 f5 14.Nc3+-) 13.Qc2 Qh6+=) 12...Bb7 (12...Nbd7 13.cd5 ed5 14.Nc3=+) 13.Ng5 (13.cd5 Nd5 14.Bh7 Kh8+-) 13...h6 14.Bf6 Qf6 15.Nh7 Bh2 16.Kh2 Qh4 17.Kg1 Rd8 (better 17...dc4 18.Nf8 Bg2 19.Bh7 Kf8 20.Kg2 Qg4 21.Kh2 Qh4 22.Kg1 Qg4 23.Kh2 Qh4 24.Kg2 Qg4 25.Kh2=) 18.f3 (better 18.cd5 Bd5 19.f4+=) 18...dc4-/+ 19.Bc4 g6?? (better 19...Nd7!?-/+) 20.Be6+= Kh7 (20...fe6 21.Qg6 Double attack (21.Qg6 Decoy)) 21.Bf7+- Qf6 22.Qa2 Rd7 (22...Qd6 23.Nc3+-) 23.Be6 Re7 (23...Rd6 24.Bh3 Nd7 25.Qa7+-) 24.Bg8+- Kg7 25.Nc3 Nd7 26.Bd5 Ne5 27.Ne4 (27.Ra1 Qd6+-) 27...Bd5+- 28.Qd5 Qe6 (28...Qf7!? 29.Qd8 Nc4+-) 29.Qe6+- Re6 30.d4 cd4 31.ed4 Nc4 (31...Nd7 32.Rc1 Kf8 33.Rc6+-) 32.d5 (32.Rc1 Ne3+-) 32...Re7 (32...Re8 33.Rc1 Ne5+-) 33.d6 Rd7 (33...Re8 34.Rc1 Ne5 35.Rc7 Kf8 36.Kf2+-) 34.Rc1 Nd6 (34...Ne5 35.Rc6! Kf7 (35...Nc6?? 36.bc6 Rd8 37.c7+-) 36.Rb6 Rd8 37.Rb7 Nd7+-) 35.Rd1 1–0. DEFFM – GuestMXTG, freechess.org, 2019.

7.Ba1 Bc5 8.c4 (8.Qf3 d5 9.Qg3 Nbd7 10.Qg7 Rg8=) 8...0-0 (8...cb5 9.cb5 d5 10.Nf3=) 9.Nc3 (9.Qf3 Be7=) 9...Bb4 (9...d5 10.Nf3=) 10.Nf3 (10.Qa4 Be7=) 10...d5 11.Be2 Bd7 (11...dc4 12.Bc4 Bd7 13.0-0=) 12.0-0 Bc3 13.Bc3 dc4 14.bc6 Nc6 (14...Bc6 15.Bc4 Qe7 16.Ne5=) 15.Bc4+= Na5 (15...Qe7 16.Qa1+=) 16.Be2 Nd5 17.Be5 (17.Qa1 Nc3 18.Qc3 Bc6+=) 17...Nc6 18.Bd6 (18.Bg3 b6+=) 18...Re8= 19.e4 Nf6 20.Qb1 (20.e5 Ne4 21.Ba3+=) 20...Bc8 (20...e5!? 21.Bc5 Qc7=) 21.e5+/- Nd5 (21...Qd7 22.d4+/-) 22.Bc4 (22.Rc1 Nde7+/-) 22...Nce7 (22...b6 23.Rc1 Bb7 24.d4+/-) 23.Bb5 Rf8 24.Bd3 h6 25.Nd4 (25.Rc1 b6+/-) 25...f6 26.Bh7 (26.Re1 Qd7+/-) 26...Kh8 27.Be4 Rf7 (27...fe5 28.Be5 Nf5 29.Re1+/-) 28.Rc1 f5 (28...Qd7 29.Nb5 fe5 30.Be5+/-) 29.Bf3+- Qa5? (better is 29...b6+-) 30.Bd5 Qd5 31.Be7 Re7 (31...Qd4 32.Rc8 Kh7+-) 32.Rc8 Kh7 33.Nf5! Qe5 (33...ef5 34.Qf5 Mate attack) 34.Ne7 (34.Ne7 Qf5 35.Nf5 Kg6 36.Ng3 Kf7 37.Rc7 Kf6 38.f4 g6 39.Qb2 e5 40.Qe5) 1–0. DEFFM – GuestQNXZ, freechess.org, 2018.

7.Ba1 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6).

7.Ba1 Bd6 8.Nf3 h6 9.Be2 0-0 10.0-0 Be7 11.bc6 bc6 12.c4 d5 13.cd5 cd5= 14.Bf6 Bf6 15.d4 Ba6 16.Ba6 Na6 17.Qa4 Qb6 18.Rc1 Rb8 19.Nbd2 Qb5 20.Rc8 Kh7 21.Rb8?? (better is 21.Qc2 g6 22.Rb8 Qb8 23.Qc6=). tanto (1730) – bigal (2015), net–chess.com, 2003.

7.Ba1 Be7 8.Nc3 0-0 9.Nf3 d5 10.Be2 Nbd7 11.Nd4 e5 12.bc6= ed4 13.cd7 dc3 14.dc8Q+= cd2 15.Qd2 Qc8 16.0-0 Rd8 17.Bd3 Ne4 18.Qa5 Nc5 19.Be2 Qe6 20.h3 b6 21.Qc3 Bf6 22.Qa3 Ne4 23.Bg4 Qc6 24.c3 g6 25.Be2 Kg7 26.Qb2 Bc3-/+ 27.Qb1 Nd2 28.Bc3= Qc3 29.Qa1 Qa1 30.Ra1 d4 31.Bd3 de3–+ 32.Be2 ef2 33.Kf2 Ne4 34.Ke3 Nc3 35.Bf3 Re8 36.Kf4 h6 37.Kg3 Ne2 38.Kf2 Nd4 39.Bc6?? Nc6 40.Rb1 Rb8 41.Rb5 Nd4 42.Rd5 Nf5 43.g4 Ne7 44.Rb5 Nc6 45.Ke3 Ne7 46.Kd4?? f5–+ 47.Ke5 fg4 48.hg4 Nc6 49.Kd6 Na5 50.Kc7 Ra8 51.Kb6 Nc4 52.Kc5 Ne3 53.Rb7 Kf6 54.Kd4 Ng4 55.Rb6 Kg5 56.Rb5 Kh4 57.Rb4 g5 58.Kd5 Rf8 59.Ke6 Rf4 60.Ke7 Rf7 (60...Rf7 61.Kf7 Kg3–+; better is 60...Rb4 61.Kd6 h5–+) 0–1. XXXtremis – Aegean, Caissa.com, 2004.

7.Ba1 Be7 8.c4 Qa5 9.Bc3= Bb4 10.Bf6 (10.Nf3 0-0+=) 10...gf6= 11.Bd3 (11.Nf3 b6=) 11...d5 (11...d6 12.Ne2=) 12.cd5= cd5 13.Ne2 Bd7 The isolani on b5 becomes a target (13...Nd7 14.0-0=) 14.Nec3 (14.Nbc3+=) 14...Bc3 (better 14...Bd6!?=) 15.Nc3+/- f5 16.0-0 Qc7 (16...Bc8!?+/-) 17.Qh5+- Qd6 (17...Bc8 18.Rc1+-) 18.Qh6 Qe5 (18...Qc7 19.Rc1+-) 19.f4 Qd6 (19...Qc7 20.Ra1+-) 20.Bf5! Qf8 (20...ef5 21.Qd6 Pinning (21.Qd6 Deflection)) 21.Qf6 ef5 (21...Rg8 22.Nd5! Qd6 23.Bh7 Rg2 24.Kg2 Qd5 25.e4 Qb5 26.Qh8 Ke7 27.Qb8 Qe2 28.Kg1 Qg4 29.Kh1 Qe2+-) 22.Qe5 Be6 23.Qb8 Ke7 24.Qc7 Kf6 25.Qe5 Kg6 26.Rf3 h5 27.Rg3 Kh6 28.Rg5 Rg8 29.Qf6 Rg6 30.Rg6 fg6 (30...Kh7 31.Na4 b6 32.Nb6 fg6 33.Qf8 g5 34.Qe7 Kh8 35.Qe6 gf4 36.Nd5 Kh7 37.Qf7 Kh6 38.Nf4 Kg5 39.b6 Kg4 40.Qh5) 31.Qf8 (31.Qf8 Kh7 32.Qe7 Kh8 33.Qe6 g5 34.Qf6 Kg8 35.Nd5 b6 36.Ne7 Kh7 37.fg5 h4 38.Qh6) 1-0. DEFFM – Oldilocks, freechess.org, 2021.

7.Ba1 Be7 8.Nf3 0-0 9.c4 d5 10.Nc3 Nbd7 11.Be2 dc4 12.bc6 Nc5 (12...bc6 13.Bc4 Bb7 14.0-0=) 13.0-0 bc6 14.Ne5 1-0. onur604 (2320) - yubacore (2245), Casual Rapid game, lichess.org, 2021.

7.Ba1 Be7 8.Nf3 d5 9.c4 0-0 10.Nc3 Qd6 11.d4 dc4 12.Bc4 Rd8 13.0-0 cb5 14.Nb5+= Qb4 15.Qb3 Qb3= 16.Bb3 Ne4 17.Bc2 Nd6 18.Nd6 Rd6 ½–½. Valverde Lopez,Mario – Ramirez,Freddy, corr CRA–ch Costa Rica, 1974.

8.Bc3 Bb4 9.Be5 d6 10.Bf6 gf6+=.

8.Bc3 Bb4 9.Nf3 0-0 10.Bf6 gf6 11.Nd4 f5 12.g4 f4 13.Bd3 (13.g5 c5 14.Qh5 Bd2 15.Kd1 fe3+- (15...cd4 16.Bd3 h6 17.gh6 Kh8 18.Qg5 Rg8 19.Qf6 Rg7 20.Qg7)) 13...fe3 (13...e5 14.g5 d5 (14...ed4 15.Qh5 f5 16.g6+-) 15.Bh7 Kh7 16.Qh5 Kg8+-) 14.fe3+- Qd8 15.Qf3 Qh4 16.Qg3 Qg3 17.hg3 c5 18.Nf3 (18.c3 Ba5 19.Nb3 Bc7 20.Nc5 Bg3 21.Ke2 d5+=) 18...d5= 19.c3 (19.Rh7? c4 20.Rh1 cd3 21.cd3 Bd7–+) 19...Ba5 20.Bh7 Kg7 21.Bc2 Rh8 (21...Nd7 22.d4=) 22.Rh4 (22.Rh8 Kh8 23.e4 Kg7+=) 22...Bc7= 23.Kf2 Nd7 24.d4 c4 25.g5 Nf8 26.e4 (26.Ne5 Rg8+=) 26...Bd7 27.ed5 ed5 28.Ne5 Rh4 29.gh4 Bb5 30.h5 Be5 (30...Bd8!? 31.Nf3 Ne6 32.h6 Kh8=) 31.de5+= Ne6 32.h6 Kh8 33.g6 fg6 34.Bg6 Nf4 35.Bc2 Be8 (35...Nd3 36.Bd3 cd3 37.Ke3+-) 36.Ke3+- Bg6? (36...Nd3 37.e6 Kh7+-) 37.Kf4+- Bc2 38.Na3 Ba4 39.e6 Kh7 40.Kg5?? (better 40.Ke5 Bc6 41.Nc2 Kh6 42.Nd4+-) 40...b5+= 41.Kf6 b4 42.cb4 c3 43.e7 Be8 (43...Kh6 44.b5 Kh5 45.e8Q Kg4 46.Qc8 Kf4 47.b6 Ke3 48.b7 Kd2 49.b8Q c2 50.Qf4 Ke2 51.Qc3 c1Q 52.Qff3) 44.Ke5 Bf7?? (better 44...Kh6 45.b5 c2 46.Nc2 Bb5+=) 45.b5+- Be8 46.b6 (46.b6 Kg6 47.b7 Kg5 48.b8Q Bh5 49.h7 Kg4 50.h8Q Kg3 51.Qh5 Kg2 52.Qf8 c2 53.Qf4 c1Q 54.Qhh2) 1–0. onur604 (2320) – Arnold__Layne (2210), lichess.org, 2020.

8.Bc3 Bb4 9.Nf3 Bc3 10.Nc3 0-0 11.Be2 d5 12.0-0 Nbd7 13.Qa1 Qc7 14.bc6 bc6 15.Ba6 Ba6 16.Qa6 Nc5 17.Qa2 Nce4 18.Ne4 ½–½. xadrezpg (2290) – rhand (2380), net–chess.com, 2010.

8.Bc3 Bb4 9.Bf6 gf6 10.Qg4 1–0. DEFFM – GuestCCVP, freechess.org, 2018.

8.Bc3 Qb6 9.Bd4 Qa5 10.c4 d5 11.Nf3 Nbd7 12.bc6 bc6 13.cd5 cd5 14.Bd3 Bd6 15.0-0 0-0 16.Nc3? e5–+ 0–1. xadrezpg (2315) – rhand (2385), net–chess.com, 2010.

8.Bc3 Qb6 9.Qf3 Be7 10.Qg3 0-0?? (better 10...Qa7 11.Qc7 0-0+=) 11.Qb8+- cb5 12.Qg3 b4 13.Bd4 Qa5 14.Bc4 d6 15.f4 b5 16.Bb3 Qa1?? (16...Nh5 17.Qf3 Nf6+-) 17.Ba1 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

8.Be5 d6 9.Bc3 Qb6 10.Nf3 Nd5 (10...Nbd7 11.Bd4 Qc7 12.Bb2=+) 11.Bb2 e5 (11...cb5 12.Na3+=) 12.c4+= Nf6 13.Nc3 Be7 14.Bd3 Bg4 (14...Nbd7 15.0-0+=) 15.0-0 d5 (15...0-0 16.Na4 Qc7 17.h3=) 16.cd5 cd5 17.Na4 (17.h3 Bf3 18.Qf3 Qd6+-) 17...Qd6 (17...Qe6!? 18.Be2 Nbd7=) 18.Be5+- Qe5 (18...Bf3 19.Qa1 Qe6 20.gf3+-) 19.Ne5 Bd1 20.Rd1 0-0 (20...Nbd7 21.Nd7 Kd7 22.Bf5 Kc7 23.Rc1 Kb8 24.b6+-) 21.Nc3 Bb4 22.Ra1 b6? (better 22...g6+-) 23.Ra7 Bd6 (23...Ba5 24.Rb7+-) 24.f4 Ne8 (24...g5+-) 25.Nd5 f6 (25...Bc5 26.Bc4 Nd6 27.d4+-) 26.Nc4 Bc5 27.Ne7 Kh8 28.Nc8 g6 (28...f5 29.Rb7 Nd7 30.Rd7+-) 29.Rb7 Nd6 (29...f5+-) 30.N4d6 Bd6 31.Nd6 Rd8 32.Nf7 (32.Nf7 Kg8 33.Nd8 Nd7 34.Rd7 f5 35.Rb7 h5 36.Bc4 Kf8 37.Ne6 Kg8 38.Rg7 Kh8 39.Rg6 h4 40.Ng5 h3 41.Rg8) 1–0. DEFFM – GuestKZNG, freechess.org, 2019.

8.Bf6 gf6 9.c4 d5 10.bc6 bc6 11.Nf3 Nd7 12.Nc3 Rg8 13.g3 Ba6 14.Be2 dc4 15.0-0 Bb4 16.Ne4 (16.Qc2 Rg7=) 16...f5=+ 17.Neg5 (17.Nc3 Bb7=+) 17...h6-/+ 18.Nh3 Ke7 (18...Bb5 19.Qc1-/+) 19.Nd4 Rc8 20.Qa1 Qb6 (20...Bb5 21.Qb1-/+) 21.Rb1 (21.Nf3 Rg8=) 21...c5=+ 22.Qa4 Rc7 (22...Ne5 23.Nf3 Qc6 24.Qa1 Nf3 25.Bf3 Qf3 26.Qa6-/+) 23.Nc2 (23.Nf4 Bb7 (worse 23...cd4 24.Rb4 Qd6 25.Bc4=) 24.Bc4 cd4 (24...Bd2? 25.Rb6 Nb6 26.Qb3 cd4 27.Qb6 Rc4 28.Qb7 Kf6 29.Qb5+-) 25.Qb4 Qb4 26.Rb4 Ne5-/+) 23...Bb5 (23...Qc6 24.Qc6 Rc6 25.Rb4 cb4 26.Nb4-/+) 24.Qa8 (24.Qa1 Ra7 (24...Bd2?! 25.Qg7=) 25.Qg7 A) 25...Bd2 26.Bh5+/- (26.Qh6?! Ra2 27.Qg5 f6 28.Qg7 Kd6=+); B) 25...e5-/+) 24...Bc6-/+ 25.Qh8 (25.Qa2 Be4 26.Qc4 Qd6-/+) 25...Be4 (better 25...Bc3 26.Rb6 Bh8-/+) 26.Rc1?? (better 26.Rb2=+) 26...Bd2-+ 27.Ra1 (27.Rd1 c3 (27...Bc2?! 28.Rd2 Qb1 29.Kg2-+) 28.Ne1 Qb4-+) 27...Bc2 (better 27...Qb3 28.Qh6 Qc2 29.Qg5 Nf6 30.Nf4-+) 28.Ra8 (28.Qg7 Be4 29.Bh5 Ra7-+) 28...Qb1 29.Kg2 (29.Bf1 Bd3 30.Ra1-+) 29...Be4 30.Bf3 Bf3 (better 30...Ba8 31.Qa8 c3-+) 31.Kf3 Qh1 (31...c3!? 32.Qd8 Kd6 33.Ra6 Rc6 34.Ra7-+) 32.Ke2 c3 (32...Qe1 33.Kf3 Kd6 34.Ra6 Rc6 35.Ra7-+) 33.Qe8?? (better 33.Qd8 Kd6 34.Ra6 Qc6 35.Rc6 Rc6 36.Nf4=) 33...Kd6-+ 34.Ra6 Rc6 35.Ra2 (35.Ra7 Qe1 36.Kf3-+) 35...Qb1 (better 35...Qe1 36.Kf3 Qf1-+) 36.Rd2 (36.Qa8-+) 36...cd2 37.Kd2 c4 (37...Rb6 38.Qh8 Qa2 39.Kd3 Rb3 40.Qc3 Ne5) 38.Nf4 c3 Black intends c2 (38...Ra6 39.Qe7 Ke7 40.Ng6 fg6 41.Kc3 Ra3 42.Kc4 Qd3 43.Kb4 Qb3) 39.Ke2 Qb5 (39...c2 40.Qe7 Ke7 41.Nd5 ed5 42.f4 Qd1 43.Kf2 c1Q 44.g4 Qf1 45.Kg3 Qce1) 40.Kf3-+ c2 41.Ne2 Qd5 42.Kf4 (42.e4 Qe4) 42…Qe4 0-1. Antares_Sco (1845) - fuzzychess (2130), Eastern Blitz Arena, lichess.org, 2019.

8.Bf6 gf6 9.bc6 bc6 10.Nf3 Ba6 (10...d5 11.c3=) 11.Be2 (11.Ba6 Na6 12.Nc3 d5=) 11...Be2 (11...d5 12.0-0=) 12.Qe2 Bg7 (12...Rg8 13.0-0+=) 13.0-0+= 0-0 14.d4 d5 15.Nbd2 Nd7 (15...Qc3 16.Nb3+=) 16.c4 Qd8 (16...Rb8 17.Qd3+=) 17.h4 (17.Ra1 Qc7+/-) 17...dc4 (17...Qc7 18.Rc1+=) 18.Qc4+/- Qc8 (18...Qc7 19.Rc1+/-) 19.Rc1 Nb8 20.Ne4 Rd8 21.Ng3 Qa6 22.Qb4 Bf8+/- 23.Qc3 Qa3 24.Qc2 Bd6 25.Nh5 Be7 26.Nd2 Qa5+= 27.Qd1 f5 28.g3 Qc7 29.Nf3 Nd7 30.Qc2 Rc8 31.Qc3 Nf6 32.Nf4 Ne4 33.Qc2 c5 34.d5 ed5 35.Nd5+= Qd8 36.Ne7 Qe7 37.Nd4 Qe5 38.Nf3 Qg7 39.Kh2 h5 40.Qa2 Nf6 41.Nd4 Ng4 42.Kg2 Nh6? 43.Ne6 Qe5+/- 44.Nf4 Qe4 45.Kh3 Qf3 46.Nd5 Kf8?? 47.Qa6+- Rd8?? 48.Qh6 Ke8 49.Qc6 Kf8 50.Qc5 Kg7 51.Qd4 (51…Kg8 52.Nf6 Kg7 53.Nh5 Kh6 54.Qg7 Kh5 55.Qh7) 1–0. Friberger,Torbjoern – Franzen,Anders, corr SSKK 2–738, 1990.

8.Bb5 Nc6 9.Nf3 Qa5 10.Nc3 Bd6 11.0-0+= 0-0 12.Qe2 Nb4 13.d4 b6 14.e4 Bb7? (better 14...Be7+=) 15.e5+- Bf3 16.gf3 (16.Qf3 Nc2 17.ef6 g6+-) 16...Be5? (16...Ne8 17.ed6 Nd6 18.Bd7 Rd8+-) 17.de5 (17.Qe5?! Nc2 18.Bd3 Nb4+/-) 17...Nfd5 18.Nd5 Nd5 19.c4 Nf4 20.Qe3 Ng6 21.Bd4 d6 (21...Nh4 22.Ra1 Qb4+-) 22.ed6 e5 (22...Nh4 23.Ra1 Qb4 24.d7+-) 23.Bb6 Qb4 (23...Qa8 24.Qe4 Nf4 25.d7+-) 24.d7 (24.d7 Qe7 25.Rd1+-) 1-0. DEFFM – fusselzoio, freechess.org, 2021.

8.Bb5 Nc6 9.Nf3 Be7 10.0-0 0-0 11.Nc3 d5 12.Ne2 Qc7 13.Ned4 Na7 14.Be2 Bd7 15.Qb1 e5 16.Ne5 Qe5 17.Nc6 Qd6 18.Na7 Ne4 19.c4 Nd2 20.Qb2 Bf6 21.Qd2 Ba1 22.Ra1 Be6 23.Nb5 Qe5 24.Qd4 Qg5 25.f4 Qh4 26.f5 Qd4 27.Nd4 Bc8 28.cd5 g6 29.e4 Kg7 30.Bg4 h5 31.Bf3 Re8 32.Nb5 Bd7 33.Nd6 Rb8 34.Ra7 Kf6 35.Rb7 Rb7 36.Nb7 gf5 37.Nc5 Bb5 38.ef5 Ke7 39.Ne4 h4 40.f6 Kd8 41.Nd6 Be8 42.Ne8 Ke8 43.Bg4 Kd8 44.Bh5 Ke8 45.d6 Kd7 46.Bf7 Kd6 47.Bb3 Kd7 48.f7 Ke7 49.g3 hg3 50.hg3 Kf8 51.g4 Kg7 52.g5 Kf8 53.g6 Kg7 54.Kg2 Kf8 55.Kg3 Kg7 56.Kg4 Kf8 57.Kg5 Kg7 58.f8Q Kf8 59.Kf6 1–0. Buczinski,Henryk – Bierak, Siemianowice Slaskie, 1965.

8.Bb5 Nc6 9.Nf3 Be7 10.0-0 0-0 11.d4 d5 12.Nbd2 Qa5 (12...Qc7 13.Qb1=) 13.Bd3 Bd7 14.c3 (14.Ne5 Nb4=) 14...Ra8=+ 15.e4 (15.Qb1 b5=+) 15...de4 (15...g6 16.e5 Nh5 17.g3=) 16.Ne4 Ne4 (16...Nd5 17.c4 Nf4 18.Bc3=) 17.Be4= Bf6 (better 17...Qa2!?=) 18.Qb1+- Qc7 (18...g6 19.Qb7 Ra7 20.Qb3+=) 19.Bh7 Kh8 20.Bd3 e5 (20...Ne7!?+-) 21.d5+- Ne7 (21...Nd8 22.Re1+-) 22.c4 b5 23.cb5 Nd5 24.Be4 Be6 (24...Qd6 25.Rd1 Be6 26.g4+-) 25.b6! Qd6 (25...Qb6 26.Be5 Deflection; 25...Nb6 26.Ba8 Pinning (26.Ba8 Deflection)) 26.Be5?? (better 26.b7 Rb8 27.Qb5+-) 26...Be5+= 27.b7 Rb8 28.Rd1 Bf6 29.Bd5 Bd5 30.Qb5 Rd8?? (better 30...g6+=) 31.Rd5!+- Qd5 32.Qd5 Rd5 33.b8Q Kh7 (33...Rd8 34.Qb3 Kg8 35.g4+-) 34.g4 g5 (34...Rd8 35.Qa7 Rf8 36.g5+-) 35.Qb3 Rd7 36.Qb5 Rd1 (36...Rd8 37.Qf5 Kg7 38.Ng5+-) 37.Kg2 Kg7 38.Ng5 (better 38.Qf5 Rc1+-) 38...Rd4 (38...Rd6 39.Qf5 Bg5 40.Qg5 Kf8+-) 39.Qf5 (39.Qf5 Bg5 40.Qg5 Kh7 41.h4+-) 1–0. DEFFM – DrBelzmerde, freechess.org, 2020.

9.Nc3 Nc6 10.Nf3 Bb4 11.Bd3 d5 12.Nb5 0-0 13.Bf6 gf6 14.0-0 (14.c3 Be7=) 14...e5 15.c3 e4 (better 15...Be7!? 16.Ne1 Bd7=) 16.cb4+= Nb4 17.Be4 Qb5? (better 17...de4 18.Nfd4 Nc6+-) 18.Nd4+- Qd7?? (18...Qa6 19.Bb1 Kh8+-) 19.Bf5 Qd8 20.Qh5 Bf5 21.Nf5 (21.Qf5?! Nc6+-) 21...Kh8 22.Qg4 (22.Qg4 Rg8 23.Qb4+-) 1–0. DEFFM – EdgarLoys, freechess.org, 2019.

10.Qb1 Nc6 11.Nf3 0-0 12.0-0 b6 13.Qb3 Ba6 14.Ba6 Qa6 15.Bb2 Ra8 16.Ra1 Qb7 17.Ra8 Qa8 18.Nb5 Qa6 19.c4 Ne4 20.Qc2 Nc5 (20...d5 21.d3 Nc5 22.Nfd4=+) 21.Ng5+= g6 (21...f5 22.d4 Qa4 23.Qe2=) 22.d4 Na4 23.Bc1 Be7 24.Nf3 d5 25.cd5 Nb4 26.Qc4 ed5 (26...Nd5 27.Qc6 Qa5+-) 27.Qc7+/- Qb5? (better 27...Kf8 28.Qd7 Qa8+/-) 28.Qe7+- Nc6 29.Qe8 Kg7 30.Ng5 Qc4 (30...Qe2 31.Qf7 Kh6 32.h4 Qe1 33.Kh2 Qh1 34.Kg3 Qh2 35.Kh2 Kh5 36.Kg3 Nd4 37.Qh7) 31.Qf7 Kh6 32.h4 Qc1 33.Kh2 Kh5 (33...Qg1 34.Kg1 Kh5 35.Qf3 Kh6 36.g4 Kg7 37.Ne6 Kh6 38.g5) 34.Qh7 Kg4 35.f3 Kf5 36.Qf7 1-0. onur604 (2320) - wow1972 (2210), Casual Rapid game, lichess.org, 2021.

10.Bd3 Nc6 11.Nf3 Nd5 (better 11...e5=) 12.Nd5+- ed5 (12...Qd5 13.Bg7 Rg8 14.Qa1+-) 13.0-0 (better 13.Bg7!? Rg8 14.Bf6+-) 13...0-0+- 14.Bb2 d6 15.Qa1 f6 16.Qa5 Na5 17.Ra1 Nc4 18.Bc4 dc4 19.Ra4 c3 (better 19...Bc5!?+=) 20.Rb4+- cb2 21.Rb2 Rf7 22.Rb6 d5 23.Rd6 (23.Nd4 Rc7+-) 23...Rd7+- 24.Rd7 Bd7 25.Nd4 Kf7 26.c3 Ke7 27.f4 Kd6 28.Kf2 g6 29.Kf3 h6 30.h4 h5 31.Ke2 Kc5 32.d3 b5 33.Kd2 b4 34.cb4 Kb4 35.Kc2 Ba4 36.Kb2 Bd7 37.Nc2 Kc5 38.Kc3 Ba4 39.Nd4 Bd7 40.Nb3 Kb5 41.Kd4 Be6? (better 41...Kc6+-) 42.Nc5 Bf7 43.Nd7 f5 44.Ne5 Be6 45.Ng6 Kc6 46.Ne5 (better 46.Ke5 d4 47.Ke6 de3 48.Ne5 Kc7 49.Kf5+-) 46...Kd6 47.Nf3 Bf7 48.Nd2 Bg6 49.e4 de4 50.de4 fe4 51.Ne4 Ke6 52.Ke3 (52.Ng3 Kf6+-) 52...Kf5 (52...Be8 53.Ng3+-) 53.Kf3 Bf7 (53...Bh7+-) 54.Nd6 Kf6 55.Nf7 (55.Nf7 Kg7 56.f5+-) 1–0. hal1958 – Brazil, playchess.de, 2002.

10.Bd3 d5 11.Nge2 Bd7 12.0-0 e5 13.f3 (13.Ng3 e4 14.Be2 0-0=) 13...0-0=+ 14.Qe1 Nc6 15.Qg3 d4 16.ed4 Nd4 (16...Ra8!?=+) 17.Nd4+= ed4 18.Ne4 (18.Ne2 Nh5 19.Qh4 Bd2 20.Bd4 g6+=) 18...Ne4= 19.Be4 Bd2 (19...Bc5 20.Qf4=) 20.Bd4+= g6 21.Bb7 Bc3 22.Qd6 Bd4 (22...Bf5 23.Bb6 Qa2 24.Bc5=) 23.Qd4+= Bf5 (23...Be6 24.Rd1+=) 24.c4+- Rd8 25.Bd5 Be6 26.Rd1 Bd5 (26...Qb4 27.Kf2+-) 27.cd5 Qc7 (27...Rd6 28.Kf2+-) 28.d6+- Qd7 29.Kf2 f5 (29...h5 30.Kg3+-) 30.Re1 Qd6?? (30...Qg7 31.Re5 Kf8+-) 31.Re8!! (31.Re8 Re8 32.Qd6+-) 1–0. DEFFM – GuestRZXQ, freechess.org, 2019.

10.Nge2 0-0 11.0-0 d5 12.Nd4 Bd7 13.Nb3 Qb6 14.Bd3 e5 15.f4 e4 16.Be2 Be7 17.g4 Bc6 ½–½. pcmvr (2770) – silvana (2610), net–chess.com, 2006.

10.Nge2 0-0 11.Qb1 b6 12.Qa2 Bb7 13.Qa5 ba5 14.f3 Rc8 15.Nd4 Nd5 (15...e5 16.Nde2=) 16.Nd5= Bd5 17.c3 Be7 18.Kd1 Bc4 19.Ba4 (19.Bc4 Rc4 20.Kc2 Na6=) 19...d5 20.Kc2 Na6 (better is 20...g6=) 21.d3?? (better is 21.Nc6 Bd6 22.Na5+=) 21...Bd3!-/+ 22.Kd3 Nc5 23.Kd2 Na4 24.Rb1 Nc5 25.Rb5 Bf6 (better is 25...a4!?–+) 26.Nc6+= Na4 (better is 26...Nd7 27.Na5 Bd8+=) 27.c4+= Kf8 (27...dc4?? 28.Bf6 Kf8 29.Na7+-) 28.Bf6 gf6 29.cd5 ed5 30.Na5 Nc5 31.Nb3 Nb3 32.Rb3 Ra8 33.Rb2 Ke7 34.f4 Ke6 35.h3 h5 36.Rc2 Ra3 37.g4 d4 38.Rc6 Ke7 39.gh5 Re3 40.Rc4 Rh3 41.Rd4 Ke6 42.Rd3 Rh5 43.Rf3 (43.Rg3 Rd5 44.Ke3 Ra5=) 43...Kf5+= 44.Kd3 Rh8 45.Ke3 Ra8 46.Kf2 Rd8 (46...Kg4 47.Rg3 Kf4 48.Rf3 Ke5 49.Re3 Kd6 50.Rd3 Ke6 51.Re3 Kd7 52.Rd3 Ke7 53.Re3 Kd8 54.Rd3 Ke8 55.Rf3+=) 47.Ke2 (47.Re3 Kf4 48.Rf3 Kg5 49.Rg3 Kf5 50.Rf3 Kg6 51.Rg3 Kh7 52.Rh3 Kg7 53.Rg3 Kf8+=) 47...Rd4+= Attacks the isolani on f4 48.Ke3 (48.Rc3 Re4 49.Kf3 Rf4 50.Ke3 Rb4+=) 48...Re4-/+ 49.Kd2 Rf4 50.Re3 Rd4 51.Kc3 Rd7 52.Rf3 Ke5 53.Rf1 f5 54.Re1 Kf4 55.Rf1 Kg4 56.Rg1 Kh4 57.Rf1 Kg5 58.Rg1 Kf6 59.Rf1 Rd5 60.Kc4 Ke6 61.Rf2 (61.Re1 Kd6-/+) 61...Rd7 (61...Rd1 62.Kc3–+) 62.Re2? (better is 62.Rf1!?-/+) 62...Kf6–+ 63.Rf2 (63.Re1 f4 64.Kc5 Kf5–+) 63...Kg5 64.Rg2 (64.Kc5 f4 65.Kc6 Rd8–+) 64...Kf4 65.Rg1?? (65.Kb5–+) 65...Ke3 66.Re1 (66.Rg3 Ke4 67.Rg1–+) 66...Kf2 67.Ra1 (67.Re8 f4 68.Re5 f3–+) 67...f4 68.Ra2 Kg3 0–1. Leon Manas,Jose Francisco (1715) – Navarro Molina,David (1945), Torneo de Ajedrez Pretemporada, 2009.

10.Nge2 Nc6 11.0-0 0-0 12.f4 d5 13.Bd3 (13.Qe1 Bd7=) 13...Be7 14.Ng3 Nb4 15.Be2 (15.Bb5 Ne8+=) 15...b6 (15...Bd7 16.Bf3-/+) 16.Qb1 Bb7 (16...Ba6 17.Ba6 Na6 18.Nge2=) 17.Qb3 Rc8 (17...Qc5 18.Bb2=) 18.Bb2 Qc5 19.Rc1 Ne4? (better is 19...Ra8!?=) 20.Nce4+/- de4 21.Nh5 (better is 21.Ba3!? Qd6 22.Nf1+/-) 21...Nd5 (21...Rd8 22.Rd1 Nc2 23.Ng7+= (worse is 23.Bg7 Rd3 24.Bd3 ed3 25.Qd3 Qh5–+)) 22.Bd4 (22.c4 Nf6 23.Bd4 Qa5 24.Nf6 Bf6+=) 22...Qb4= 23.Qb4 Bb4 24.c3 (24.Bg7? Bd2 25.Rb1 Be3 (worse is 25...Rc2 26.Bd4–+) 26.Kf1 Rc2–+) 24...f6 (24...Bc5 25.Bc5 bc5 26.g4=) 25.Rb1+= Ba5 26.g4 Attacking the isolated pawn on b6 26...Re8 27.c4 (27.Ng3 Re7+=) 27...e5+= 28.fe5 (worse is 28.cd5 ed4 29.Bb5 Rc8+=) 28...fe5 29.Ba1 Nf6 30.Bc3 Bc3 (30...Bc8 31.Nf6 gf6 32.Kf2+=) 31.dc3 (31.Nf6 gf6 32.dc3 Re7+/-) 31...Nh5 32.gh5 Re7 33.Rb6 Kf8 34.Kf2 Rc7 35.Ke1 Ke7 36.Kd2 Bc8 37.Rb5 Kf6 38.Rb6 Ke7 39.Rb5 Kf6 40.c5 Be6 41.Rb6 (41.Ra5 Kf5+=) 41...Ke7 (41...Rc5?? 42.Bg4+-) 42.c6 Bd5 43.Bb5 Kd6 44.c4 Kc5 Exerts pressure on the isolated pawn (44...Bc6?? 45.Kc3 g5 46.hg6 hg6 47.Kb4+-) 45.Rb7 (45.Ra6 Bc6 46.Bc6 Rc6 47.Rc6 Kc6+-) 45...Rb7+= 46.cb7 Bb7 47.Kc3 h6 (47...Bc8 48.Ba4+=) 48.Be8 Bc8 49.Bf7 Bg4 50.Kb3 Be2 51.Kc3 Bd1 52.Kd2 Bb3 53.Kc3 Ba2 54.Bg8 Bb1 ½–½. Morriss,Pete (2030) – Zakharov,Alexander (2330), Katerini GRE ,World Seniors Ch, 2014.

6.ab5 a5 7.c4 b6 8.Nf3 Bb4 (8...d5 9.Nc3=) 9.Bd3 0-0 10.Qc2 g6 (10...Bb7 11.Ra4=) 11.0-0+= d5 12.Nc3 Bb7 13.cd5 Bd5 (13...Nd5 14.Rfc1+=) 14.Nd5 Qd5?? (better is 14...Nd5 15.Rfc1 Nd7+/-) 15.Bf6+- Nd7 16.Be4 (16.Be4 Qb5 17.Ba8 Nf6 18.Bc6+-) 1–0. GuestJDHB – GuestVWSZ, freechess.org, 2017.

6.ab5 ab5?? 7.Ra8+- (7.Ra8 Na6 8.Be5+- (worse is 8.Bb5 Nc7 9.Bf6 gf6 10.Rc8 Qc8+-)) 1–0. DEFFM – GuestQBBP, freechess.org, 2017.

6.ab5 d5=.

6.c4 d5!?+=.

6.c4 g6 7.Nf3= 0-0 8.Be2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.cb5 d5 12.0-0 Nbd7 13.Qc2 Ne4 (13...Bd6 14.Rc1+=) 14.Nc3 Nc3 15.Bc3 Bf6 16.Bb4 Be7 17.Bc3 f6 (17...Bf6!?=) 18.Ra1 Nb6 19.Qb3 Bd7 20.Bd4 Qc7 21.g3 (better is 21.Ra7+=) 21...Bc5?? (better is 21...Rc8=) 22.Rc1+- Rc8?? (better is 22...Nc4 23.d3 Na5+-) 23.Rc5 Qc5 (23...Qd8+-) 24.Bc5 Rc5 25.Qa3 Rc8 (25...Rc2 26.Qd6 Bc8 27.Qb6+-) 26.Qd6 1–0. DEFFM – amplitude, freechess.org, 2017.

6.Nf3 0-0 7.Be2 ab5 8.ab5 Ra1 9.Ba1 d5 10.0-0 Bd7 11.bc6 bc6 12.Ne5 Be8 13.d3 Qc7 14.c4 Nbd7 15.Nd7 Nd7 16.cd5 cd5 17.Nd2 Bf6 18.Bf6 Nf6 19.e4 de4 20.de4= Bc6 21.Qc2 Qb7 22.Bf3 Rc8 23.Qd3 Nd7 24.h3 Ne5 25.Qe3 Nf3 26.gf3 Bb5 27.Rb1 Qc6 28.Nb3 e5 29.Rd1 Ba4 30.Rb1 Rb8 31.Qd3 g6 32.Nd2 Rb1 33.Qb1 Qc3 34.Nf1 Bd7 35.Kg2 Qc8 36.Ne3 Bh3-/+ 37.Kg3 Be6 38.Qd1 Qf8 39.Qh1 h5 40.Qh2 Qh6 41.Ng4?? Qf4 42.Kg2 hg4 43.fg4 Qh2 44.Kh2 Bg4 0–1. valpa – d2d4, playchess.de, 2002.

6.Nf3 0-0 7.Be2 d5 8.0-0 ab5 9.ab5 cb5 10.Ra8 (10.Ra8 Na6 11.Nc3+-) 1–0. DEFFM – GuestYNLT, freechess.org, 2019.

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 0-0 9.c4 d5 10.Nc3 Nbd7 11.Be2 Ne4 (11...Nb6 12.cd5 cd5 13.0-0=) 12.0-0+= Nd6 13.cd5 cd5 14.Na4 Bf6 15.d4 (15.Qc2 e5+=) 15...Nb6= 16.Nb6 Qb6 Attacking the isolated pawn on b5 17.Ne5 (17.Bd3 Bd7 18.Qb1 Bb5=) 17...Be7=+ (worse 17...Nb5 18.Qb1 Be5 19.de5+=) 18.Qa4 f6 19.Nf3 (19.Nd3 Qb5 20.Qb5 Nb5=) 19...Bd7-/+ The pressure on the isolated pawn grows 20.Rb1 Rc8 21.Nd2 Be8 22.Bd3 Bg6 23.Bg6 hg6 24.h3 Kf7 25.Qb3 Qc7 26.Qd1 Qc2 27.Qc2 Rc2 28.Nf1 g5 29.Ng3 (29.g3 Bd8–+) 29...Nc4 30.Nf1 Bd8 31.g3 (31.g4 Ba5–+) 31...Ba5 32.Kg2 (32.g4 Re2–+) 32...Ke8 (32...Re2 33.e4 de4 34.Rc1–+) 33.Kg1 (33.g4 Ra2 34.Rc1 Nd6–+) 33...Kd7 34.Kg2 Kc7 35.Kf3 Kb6 36.h4 (36.g4 g6–+) 36...Nd6 (36...Ra2 37.Rc1 Nd6 38.Rb1–+) 37.Kg2? (better 37.hg5 Ne4 38.gf6 Rf2 39.Kg4 gf6 40.Kh4–+) 37...g4 38.Nh2 (38.Rb2 Rc1 39.Ra2 Kb5–+) 38...f5 39.Rb2 (39.h5 Nc4 40.Nf1 Re2–+) 39…Rc1 (39...Rc1 40.Ra2 Kb5–+) 0–1. DEFFM – GuestRMJL, freechess.org, 2019.

6.Nf3 d5 7.Be2 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Nc3= 0-0 11.0-0 c5 (11...Qa5 12.Ne5=) 12.Ne5 (12.Qb1 c4+=) 12...d4 (12...Be8!?=) 13.Na4+/- Nd5 (13...Be8!?+/-) 14.ed4+- cd4 15.Bd4 b6? (better 15...f6 16.Nd7 Nd7+-) 16.c4 Nf4 17.Bb6 (17.Nb6?! Bb5 18.Be3 Ne2 19.Qe2 Be8+/-) 17...Qc8 18.d4 (18.g3 Ne2 19.Qe2 Be8+-) 18...Ne2 (18...f6 19.Nd7 Nd7 20.g3 Nh3 21.Kg2+-) 19.Qe2 Bf6 (19...Be8 20.Bc5 Bc5 21.dc5+-) 20.Bc5 Re8 21.Nb6 Qb7 (21...Qd8 22.Ra1 (worse 22.Nbd7 Nd7 23.Nd7 Qd7+-) 22...Bc8 23.Ra7 Be5 24.Qe5+-) 22.Ra1 (worse 22.Nbd7 Nd7 23.Nd7 Qd7+-) 22...Be5 (22...Rd8 23.Nbd7 Nd7 24.Ra7 Nc5 25.Rb7 Nb7 26.Nc6+-) 23.Qe5 g6 (23...h6 24.f3+-) 24.Ra8 Nc6 (24...f5+-) 25.Re8 Be8 26.Qd6 Ne7 (26...Qe7 27.Qe7 Ne7 28.Be7+-) 27.Qd8 Nf5 28.Qe8 Kg7 29.Qf8 Kf6 30.Qd8 Kg7 31.Bf8 Kg8 32.Bh6 1-0. DEFFM – sprem, freechess.org, 2021.

5.Bc3 Bc3 6.Nc3 A) 6...e5 7.e3=+ (7.Nf3 e4 8.Nd4 d5 9.d3 0-0 10.de4=+) 7...0-0 8.Nge2 d5 9.d4 e4 10.Rb1=+; B) 6...d5 7.e3 e5 8.Nf3 e4 9.Ne5 0-0 10.d4=+.

5.e3 cb5 6.ab5 0-0 7.Nf3 d6 (7...d5 8.Nc3=) 8.c3 (8.Ra4 a5 9.c3 Bc5+=) 8...Bc5 (8...Ba5 9.d4+=) 9.d4+- Bb6 10.Bd3 (10.Nbd2 Nbd7+-) 10...Re8+= 11.Nbd2 a6 (11...e5!? 12.Qc2 Nbd7+-) 12.0-0+- Nbd7 13.Qc2 Bc7 (13...a5 14.Nc4 Bc7 15.h3+-) 14.e4 (14.c4 Qe7+-) 14...Nf8 (14...a5 15.Rfe1+-) 15.ba6+- ba6 16.e5 de5 17.de5 N6d7 18.Be4 Ra7 19.c4 Nc5 (19...Bb6 20.Ba3 Bc5 21.Rfd1+-) 20.Rfb1 (20.Bd4 Bb6+-) 20...Ne4 21.Ne4 Ra8? (better 21...Bb7+-) 22.Rd1 Bd7 23.c5 Qb8 (23...Rc8 24.c6 (24.Ra6?! Ra8 25.Raa1 Ra1 26.Ra1 Bc6+-) 24...Bb6 25.Rd6+- (25.Rd7?! Nd7 26.Nd6 Nc5+-)) 24.c6 Bc8 (24...Bc6 25.Qc6 Rc8 26.Qa4+- (26.Ra6?! Qb3 27.Rf1 Ba5 28.Qa8 Ra8 29.Ra8 Qb2+-)) 25.Bd4 Qb5 (25...Bd8 26.Rab1 Qc7 27.Nd6+-) 26.Rab1 Qa5 (26...Qd5 27.Bb6 Be5 28.Rd5 ed5 29.Ne5 de4 30.c7 Re5 31.Qc6+-) 27.Bc3 Qa3 (27...Qd5 28.Rd5 ed5 29.Nd6+-) 28.Bb4 Qf3 (28...Qb4 29.Rb4 a5 30.Rbd4+-) 29.gf3 Be5 30.c7 (better 30.Bd6 Bf4 31.Bf4 e5+-) 30...Ra7 31.Rd8 (31.Rd8 h6 32.Re8 f5 33.Qc6 Bh2 34.Kh2 Kh7 35.Rf8 Rb7 36.Qe8 Rb4 37.Rh8) 1–0. GuestPXGN – abadjm, freechess.org, 2020.

5.e3 d5 6.c4 0-0=+ 7.Nf3 Nbd7 8.Be2 dc4 9.Bc4 Nb6 10.Bb3 Bd7=+ 11.0-0 cb5-/+ 12.ab5 Bb5 13.Nc3? Bf1–+ 14.Qf1 a6 15.d4 Rc8 16.Rc1 Nfd5 17.Nd5 Nd5 18.Rc8 Qc8 19.Bd5 ed5 20.g3 f6 0–1. vhilts (2260) – eruditio (2230), net–chess.com, 2010.

5.Nf3 d5 6.e3 Nbd7 7.Nc3 0-0 8.Be2 Nc5 9.0-0 Nce4 10.bc6 bc6 11.Ne5 Nc3 12.dc3 Bd6 13.c4 Qc7=+ 14.f4 Ne4 15.cd5 cd5 16.Bd3 f6 17.Nf3 Bc5 18.Bd4=+ Qb6 19.c4= Bd4 20.Nd4+= e5? 21.fe5+- fe5 22.Rf8 Kf8 23.Be4 de4 24.Qh5 ed4 25.Rf1 Kg8 26.Qe8# 1–0. pereira – smart, internet, 2009.

5.Nf3 d6 6.c3 Ba5 7.Na3 d5 (7...e5 8.Nc4=+) 8.e3= 0-0 9.Be2 Nbd7 10.c4 Re8 11.0-0 e5 12.d4 e4 13.Ne5 Bc7 (13...Qc7 14.Qc2=) 14.bc6+= Ne5 15.de5 Be5 16.cb7 Bb7 17.Rb1 (17.Be5 Re5 18.Qd4 Rg5+=) 17...Bb2= 18.Rb2 Bc6 19.Rb4 (19.Nb5 dc4 20.Bc4 Re7=) 19...Rb8 (19...Qd6!? 20.Qd2 a5-/+) 20.Qb3 Rb4 21.Qb4 Qd7 Attacks the isolani on a4 (21...a5 22.Qb3=) 22.a5 d4 23.ed4 Qd4 24.Rd1 Qe5 25.Nc2 Rb8 26.Qa3 Bd7 27.Ne3 h6 28.h3 Qb2 (28...Be6 29.Nd5=) 29.Qd6 Qb4 (29...Ba4 30.Rd2 Qc1 31.Bf1+=) 30.c5 Be6 31.Nc2 Qb2 32.Nd4 Re8 33.c6 Bc8 34.Qc5 Qb8? (better 34...a6!?+-) 35.Nb5 Qe5?? (better 35...e3 36.c7 ef2 37.Qf2 Qb7+-) 36.Qe5 Re5 1–0. Pommerel,Wim H – Bankwitz,Werner, CiF, 1984.

6.e3 A) 6...d5 7.Nf3 (7.Be2 0-0 8.Nf3 Nbd7 9.0-0 Qc7 10.d4=) 7...0-0 8.Be2 Nbd7 9.0-0 Qc7 10.d4=; B) 6...d6 7.Nf3 (7.Be2 e5 8.Nf3 0-0 9.0-0 a6 10.Bb2=) 7...e5 8.Be2 0-0 9.0-0 a6 10.Bb2=; C) 6...a6 7.Nf3 (7.Be2 d6 8.Nf3 0-0 9.0-0 b6 10.bc6=) 7...0-0 8.Be2 Ne4 9.Bb2 Bf6 10.Bf6=; D) 6...0-0 7.Nf3 (7.Be2 d5 8.Nf3 Nbd7 9.bc6 bc6 10.0-0=+) 7...d5 8.Be2 Nbd7 9.0-0 Qc7 10.d4=+.

6.Nf3= 0-0 (6...d5 7.e3 0-0 8.Be2 Nbd7 9.0-0 Qc7 10.Bb2=+; 6...d6 7.e3 0-0 8.Be2 e5 9.0-0 a6 10.Na3=+) 7.e3 cb5 (7...a6 8.Be2= d6 9.0-0 b6 10.d4=; 7...d6 8.Be2 e5 9.0-0 a6 10.ba6=+) 8.ab5 Ne4 (8...d6 9.d4 a6 10.Bd3=) 9.Bd4 a5 (9...a6 10.Be2=) 10.ba6 (10.Be2=) 10...ba6 11.Nc3 f5 12.Ne4 (12.Na4 Bf6=) 12...fe4=+ 13.Ne5 d6 14.Nc4 Bh4 15.g3 (15.Qg4 Bf2 16.Kd1 Rf7=+) 15...Bf6 16.c3 Bd4 17.cd4 d5 18.Ne5 Qf6 19.f4 ef3 20.Kf2 Nd7 21.Nf3? (better 21.Nd7 Bd7 22.Ba6-/+) 21...e5–+ 22.d3 Rb8 23.Be2 e4 24.de4 de4 25.Kg1 (25.Ra2–+) 25...ef3 26.Bc4 Kh8 (26...Kh8 27.h3 Qd6–+) 0–1. marus1 – Pertinax1, internet, 2001.

6.Bd3 cb5 7.ab5 a5 8.ba6 ba6 9.Ra4 a5 10.Bf6 Qf6 11.c3 Bb7 12.Qh5 g6 13.Qg4 Bc6 14.Ra2 Bd5 15.Rb2 Nc6 16.f4 Qg7 17.Qe2 f5 18.Bc4 Bc4 19.Qc4 Rab8 20.Nf3 Be7 21.Rb8 Rb8 22.0-0 g5 23.fg5 Bg5 24.e4 f4 25.d4 Rb2 26.Nbd2 Bd8 27.e5 Bb6 28.Qa6 Kf7 29.Qc8 Ke7 30.Kh1 Qg6 31.Qa6 Qc2 32.Qc4 Ke8 33.Ra1 Ne7 34.Re1 Nf5 35.Rf1 Kd8 36.Qa6 Ne3 37.Qa8 Kc7 38.Rg1 Qc3 39.Qf8 Qd3 40.Rc1 Rc2 41.Qd6 Kc8 42.Rg1 Bc7 43.Qf8 Bd8 44.Qf4 Rd2 45.Nd2 Qd2 46.g4 Bb6 47.Qf8 Kb7 48.Qf3 Kc7 49.Qe4 Nd1 50.Qe1 Qd4 51.Qd1 Qg1 0–1. marus2 – Pertinax1, internet, 2001.

6.Nf3 Nd5 7.c4 Nb6 (better is 7...Nf6!?=) 8.a5+/- Nc4 (8...Ba5 9.Ra5 Nc4 10.Ra2 (10.Bc4?! Qa5 11.Bc3 Qd8=) 10...cb5 11.Qb3+/-) 9.Bc4+- cb5 (9...Ba5 10.0-0+-) 10.Bb5 Ba5 11.Qa4 Bb6 12.Qg4 f6 13.0-0 Rf7 (13...d5 14.d4+-) 14.Rc1 Nc6 (14...d5 15.Qh4+-) 15.Qh4 a6 16.Bd3 e5?? (16...f5+-) 17.Qh7 Kf8 18.Nh4 Ke8 (18...Ke7 19.Bc4 d5 20.Ba3 Kd7 21.Bd5 Qe8+-) 19.Ng6 Ne7 20.Qh8 (20.Qh8 Ng8 21.Qg8 Rf8 22.Qf8) 1–0. DEFFM – GuestGHPD, freechess.org, 2018.

6.Nf3 d6 7.Be2=.

5.ab5 Nd5 6.e3 b6 (6...Nf6 7.f4+=) 7.Nf3 (7.Qf3 Qc7 8.Nc3 Nb4+-) 7...f6 (7...Bb7 8.e4 Nc7 9.Nc3+-) 8.c4 (8.e4 Nf4+-) 8...Nc7 (8...Nb4!?+-) 9.Bd3 d6 (9...Bb7 10.Nc3+-) 10.0-0 d5 (10...Bb7 11.Nc3+-) 11.Qc2 Qd6?! (11...Bb7 12.Bh7 Qd7 13.cd5 Nd5 14.Rc1+-) 12.Bh7 (better 12.cd5 Qc5 13.Nc3 Nd5 14.Bh7+-) 12...f5 (12...Qd7 13.Nc3 Bb7 14.Qg6 Qf7 15.cd5 Qg6 16.Bg6 Kd8 17.de6 Ne6+-) 13.Bg6 Ke7 14.Ba3 Qa3 (14...Kf6 15.Bd6 Bd6 16.Bf5 ef5+-) 15.Na3 Kf6 (15...Bb7 16.cd5 Nd5 17.e4 fe4 18.Qe4+-) 16.cd5 Nd5 17.Qc8 Ba3 18.Qh8 (18.Ra3?! Rc8 19.e4 Nc7 20.ef5 Nb5+-) 18...Kg6 19.Ra3 a5 20.Ne5 Kf6 21.Qf8 Ke5 (21...Kg5 22.Qg7 Kh5 23.h4 Ne3 24.Qg5) 22.d4 Ke4 23.f3 1–0. DEFFM – GuestGGXK, freechess.org, 2020.

5.ab5 d6 6.c4 Be7 7.e3 0-0 8.Nf3 Nbd7 9.Be2 b6 10.0-0 Bb7 11.d4 a6 12.Nc3 ab5 13.Nb5 d5 14.Nd2 dc4 15.Nc4 Bc6 (15...Ra1 16.Qa1 Qa8 17.f3=) 16.Ne5 (16.Qb3 Bd5+=) 16...Ne5 17.de5 Nd5 (17...Ra1 18.Ba1 Ne4 19.Qc2=) 18.Nd4 Bb7 19.Bd3 (19.Ra8 Qa8 20.Qb3 Rc8=) 19...Nb4 20.Bb1 Qd5 Threatening mate: Qxg2 21.Qg4 Ra1 (21...Qe5? 22.Bh7 Kh7 23.Nf5 ef5 24.Qh3 (24.Be5?? fg4 25.Bd4 b5–+) 24...Kg8 25.Be5+-) 22.Ba1 g6 (22...Ra8 23.Bc3=+) 23.Rd1 (23.Qg3 Bh4 24.Qh3 Be7=) 23...Rd8 (23...Ra8 24.e4 Qe5=+) 24.Bc3 (24.f4 Qa5 25.Bc3 Qa3=) 24...Qc4 (better 24...Qe5!? 25.Rc1 Rc8-/+) 25.Bb4 Qb4 26.Be4 Be4 27.Qe4 Bc5 28.Rb1 (28.h3 Qa4 29.Rd3 Rd5=) 28...Qc4 29.Qc6 (29.Rd1!?=) 29...Qd3=+ Do you see the mate threat? 30.Qb5 Qe4 (30...Qb5 31.Nb5 Rd5 32.Nc3 Re5 33.g3=+) 31.Nf3= Kg7 32.h3 h6 33.Ra1 Qd3 34.Qd3 Rd3 35.Ra7 Rd5 36.g4 (36.Rb7 Rd1 37.Kh2 g5=) 36...g5 37.Kg2 Kg6 38.Rb7 Rd3 39.h4 gh4 40.Nh4 Kg7 41.Nf3 Rb3 (41...Kg6 42.Kg3=) 42.Nd2 Rb4 43.Kf3 Kg6 (43...h5!? 44.gh5 Rh4=) 44.Ne4+- Bf8 45.Nd6 f6 (45...f5 46.gf5 ef5 47.Rb8+-) 46.Rb8 White fights for the Initiative 46...Bg7 (46...Kg7!? 47.Ne8 Kg6 48.Nf6 Bg7+-) 47.Re8+- fe5 48.Re6 Kh7 49.Nf5 Bf8 50.Rf6 (better 50.Re5!? Kg6+-) 50...Kg8+- 51.Nh6 Kg7 (better 51...Bh6 52.Rh6 Kf7+-) 52.g5 Bc5 53.Nf5 Kg8 54.g6 (54.g6 Bf8 55.g7 Bg7 56.Rg6+-) 1–0. BeepBeepImAJeep – MrSuccess (2505), lichess.org, 2017.

5.ab5 Bd6 6.e3 0-0 7.Nf3 Nd5 (7...Bc5 8.d4 Bb4 9.Nbd2+=) 8.c4 Nf6 9.Nc3 Be7 10.Be2 b6 11.0-0 Bb7 12.Qc2 Qc7 13.d3 Bd6 14.h3 Ne8 (14...Rc8 15.Ra2+=) 15.Ne4 (15.Ra4 a5+/-) 15...Be4 (15...Be7 16.Rfb1+=) 16.de4+/- e5 (16...Be7!?+/-) 17.Rfd1 f6 (17...a5 18.Qd3+-) 18.Qd3 (better is 18.Qd2 Qb7 19.c5 Bc5 20.Bc4 Kh8 21.Bd5+-) 18...a6?? (better is 18...Qb7+/-) 19.Qd5+- Kh8 20.Qa8 ab5 21.cb5 Qc2 22.Rd2 Qc5 (22...Qc8+-) 23.Ba3 Qc7 (23...Qc3 24.Bd6 Nd6 25.Rd6+-) 24.Bd6 Nd6 25.Qd5 (better is 25.Qa3 Rc8 26.Qd6 Qd8+-) 25...Nf7 26.Rdd1 Ng5 (26...d6 27.Bc4+-) 27.Ng5 fg5 28.Rac1 Qd8 29.Qe5 Rf6 (29...Kg8 30.Qd6 h6 31.e5+-) 30.Qg5 (30.Qc7 Qe8+-) 30...Qf8 31.f4 d6 (31...Re6 32.Bg4 h6 33.Qd5+-) 32.Qd5 (32.Qg4!? h5 33.Qh5 Rh6+-) 32...Nd7 33.Rc6 Nc5 (33...Qe8 34.e5 Rf8 35.Rd6+-) 34.Rd6 (better is 34.Bg4 Qg8+-) 34...Ne4 (34...Rd6 35.Qd6 Qd6 36.Rd6+-) 35.Rf6 (35.Qe4 Rd6 36.Rd6 Qg8 37.Bd3 h6 38.Rd8 g6 39.Qg6 Qd8 40.Qh7) 35...Nf6 1–0. GuestJMQV – GuestKWZV, freechess.org, 2017.

5.ab5 g6 6.e3 Bg7 (6...d5 7.Nf3+=) 7.Nf3+= a6 (7...0-0 8.d4+=) 8.d4+- a5 9.Bd3 0-0 10.c4 (10.Nbd2 d6+-) 10...d5 (10...d6 11.Nc3+-) 11.0-0 (11.c5!?+-) 11...dc4+= 12.Bc4 Nbd7 13.Be6?? (better 13.Nc3+=) 13...fe6–+ 14.Nbd2 Nb6 15.Ba3 Re8 16.Qc2 (16.Qe2 Bd7–+) 16...Qd5 (16...Bd7!? 17.Qd3–+) 17.Rab1 Bd7?? (better 17...a4–+) 18.e4=+ Ne4 19.Ne4 Bd4?? (better 19...e5 20.Ne5 Bf5-/+ (20...Bb5? 21.Nc3 Qd4 22.Nb5 Qe5 23.Nc7+-)) 20.Bc5+- Qc4 (20...Bg7 21.Rfd1 Qf5 22.Bb6 Bb5+-) 21.Qc4 (worse 21.Nd4 Qc2 22.Nc2 Nd5+-) 21...Nc4 22.Bd4 (worse 22.Nd4 b6 23.Nf6 Kf7 24.Nd7 bc5+-) 22...e5 (22...Rf8 23.Nf6 Rf6 24.Bf6+-) 23.Nf6 Kf7 24.Ne8 (worse 24.Nd7 ed4 25.Rbc1 Nd6 26.Nd4 Rac8+-) 24...Re8 (24...ed4 25.Rfc1 Na3 26.Nc7+-) 25.Rfc1 Na3 (25...Bf5 26.Ra1 Bd3 27.Ba7+-) 26.Ra1 (26.Ne5 Re5 27.Be5 Nb1 28.Rb1 a4+-) 26...Nb5 (26...ed4 27.Ra3 b6 28.Nd4+-) 27.Ne5 Ke7 (27...Ke6 28.Bb2 Ra8 29.Re1+-) 28.Bc5 Kd8 (28...Ke6 29.Re1 b6 30.Bb6+-) 29.Bb6 Nc7 (29...Ke7 30.Rab1 Bc6 31.Nc6 bc6 32.Rc6 Kd7+-) 30.Rc7 Re5 31.Rc5 Ke7 32.Re5 Kd6 33.Rea5 1–0. DEFFM – GuestCQJT, freechess.org, 2019.

6.Ra4 d5 7.f4 (7.Nf3 Nbd7 8.e3 Bd6 9.Be2=+; 7.Nc3 Nbd7 8.Nf3 e5 9.e3=+; 7.Bd4 Bd6 8.e3 e5 9.Bb2-/+; 7.e3 Nbd7 8.Nf3 Bd6 9.Be2=+) 7...Nbd7 8.Nf3 Nb6 9.Ra2=+.

6.ba6 ba6 7.e3 Be7 8.Nf3 0-0 9.Be2 Nc6 10.0-0 a5 11.c4 (11.Nc3 d5 (11...Rb8 12.Ba3 d6 13.Nb5 Bb7 14.c4 d5 15.Be7=) 12.Nb5 (12.Bb5 Nb4 13.d3 Qc7 14.Qd2 Bd7 15.Bd7=; 12.Ra4 Bd7 13.Bb5 Rb8 14.Qa1 Bb4 15.Rb1+=) 12...Qb6 13.Nfd4 Bd7 14.Nc6 Qc6 15.Be5=; 11.Na3 Rb8 12.Bf6 Bf6 13.d4 e5 14.de5 Ne5 15.Nd4=) 11...Qb6 (11...Rb8 12.Qc2 (12.Bf6 Bf6 13.d4= e5 14.Nc3 ed4 15.ed4=; 12.Bc3 Ne4 13.Qc2 d5 14.d4 Nb4 15.Bb4=) 12...Bb7 13.d4 d6 14.Qa4 Ne4 15.Nc3+=) 12.Bd4 (12.Bf6!? Bf6 13.d4= d6 14.Nc3 Qc7 15.Qb1=) 12...Nd4+= 13.Nd4 Bb7 14.Bf3 (14.Nc3 Bb4 15.Na4=) 14...d5 (14...Rfb8 15.Nc3+=) 15.cd5 Nd5 16.Bd5 Bd5 17.Nc3 Bb7 18.Qb3 (18.Qg4!?+=) 18...Qb3-/+ 19.Nb3 Bb4 20.Rfc1 Bc6 21.d4 a4 22.Nc5 a3 23.Na2 Bc5 24.Rc5 Bd5 25.Nc3 a2 (25...Bb3 26.Kf1+=) 26.Nd5-/+ ed5 27.Rcc1 (27.Rd5?? Rfb8 28.h3 Rb1 29.Rb1 ab1Q (29...ab1N?! 30.Rc5-/+; 29...ab1B?! 30.f3+=) 30.Kh2 Qb8 31.g3 Ra2–+) 27...Rfc8 28.Rc8 Rc8 29.g4 Rc2 30.Kg2 Kf8 31.h4 Ke7 32.Kg3 Ke6 33.f4 f5 34.gf5 (34.h5 g6-/+) 34...Kf5–+ 35.Kf3 h5 36.Kg3? Ke4 0–1. hal1958 – Rebel, playchess.de, 2002.

6.Nc3 A) 6...Bb4 7.e4 (7.Nf3 d5 8.Na4 0-0 9.e3=; 7.Ra4 d5 8.Nf3 Nbd7 9.e3=+; 7.e3 0-0 8.Nf3 d5 9.Be2=) 7...d6 8.Nf3 e5 9.Bd3=; B) 6...e5 7.e4 Bb4 8.Na2 Bd6 9.Nf3=; C) 6...b6 7.e4 d5 8.e5 Ne4 9.Nf3=; D) 6...Bc5 7.Na4 d6 8.Nf3 Nbd7 9.Nc5=; E) 6...d5 7.Nf3 (7.e3 Bd6 8.Nf3 e5 9.Be2=) 7...Bd6 8.e3 e5 9.Be2=.

6.e3 d5 7.Nf3 (7.Be2 Bd6 8.Nf3 0-0 9.0-0=; 7.Nc3 Bd6 8.Be2 e5 9.Nf3=; 7.Bd3 Bd6 8.Nf3 0-0 9.0-0=; 7.Qf3 Nbd7 8.Qf4 Ne4 9.Nf3=) 7...Bd6 8.Be2 0-0 9.0-0=.

6.Nf3 d5 7.e3 (7.Nc3 Bd6 8.e3 e5 9.Be2=) 7...Bd6 8.Be2 Nbd7 9.Ba3=.

6.ba6 ba6 7.Nf3 (7.e3 d5 8.Nf3 Bd6 9.Bb5=; 7.Nc3 d5 8.Nf3 Nbd7 9.e3=) 7...d5 8.e3 Nbd7 9.Be2=.

6.Nc3 A) 6...Bc5 7.e4 (7.e3 d5 8.Nf3 0-0 9.Be2=; 7.Nf3 0-0 8.e3 d5 9.Be2=) 7...d5 8.e5 Nfd7 9.d4=; B) 6...d5 7.Nf3 (7.ba6 ba6 8.e3 Nbd7 9.Nf3=; 7.e3 e5 8.Nf3 Nbd7 9.Ra2=) 7...Bd6 8.ba6 Na6 9.e3=.

6.c4 Qb6 7.e3 Bb4 8.Nf3 ab5?? (better 8...Bc5+-) 9.Ra8+- Bd6 10.cb5 0-0 (10...Qc7 11.Qc1 Qc1 12.Bc1+-) 11.Na3 Qc5 (11...Bc5 12.Nc4 Qb5 13.Bf6 gf6 14.Rb8+-) 12.Nc4 (12.Nc4 Na6 13.ba6 ba6 14.Rc8 Rc8 15.Ba3 Qa3 16.Na3 Ba3 17.Qa4+-) 1–0. BeepBeepImAJeep (2655) – german11, lichess.org, 2016.

6.c4 d5 7.e3 dc4 8.Bc4 Bc5 9.ba6 Na6 10.Nf3 0-0=.

6.c4 d5 7.e3 dc4 8.Bc4 Bc5 9.Nc3 0-0 10.Nf3 Nbd7 11.d4 Bb6 (11...Bd6 12.Ba3 Qc7 13.Bd6 Qd6 14.0-0+=) 12.Qb3 Re8 13.0-0 Nf8 14.Rfc1 Ng6 15.Rd1 Rb8 (15...Bc7 16.Ne5+/-) 16.ba6 (16.d5 e5+/-) 16...ba6 17.Ne5 (17.d5 e5 18.d6 Rf8+/-) 17...Ne5+= 18.de5 Nd7 19.Qc2 Qg5 (19...Qh4 20.Ne4+=) 20.Bd3 Be3? (20...Qh5 21.Ne4 A) 21...Ne5? 22.Ng3 (22.Ba6 Ng4-/+) 22...Qg5 23.h4 Nf3 24.gf3 Qh4 25.Kg2+- (25.Ba6?! Ba6 26.Qc3 Qg5 27.Ra6 Qg6+-); B) 21...Rd8+/-) 21.fe3 (21.Ne4 Qh5 22.fe3 Ne5 23.Be5 Qe5+-) 21...Qe3 (21...Ne5 22.Bh7 (22.Ba6? Qe3 23.Kh1 Ba6 24.Ra6 Rb2 25.Qb2 Nd3-+) 22...Kh8 23.Ne4 Qe3 24.Kh1+-) 22.Kh1 Bb7?? (22...Ne5 23.Bh7 Kh8+-) 23.Bh7 Kf8 (23...Kh8 24.Rd7 Red8 25.Rd8 (25.Rf7 Rd2 26.Rb7 Rc2 27.Rb8 Kh7-/+) 25...Rd8 26.Be4+-) 24.Re1 (better 24.Rd7 Re7 25.Re7+-) 24...Qh3 25.Be4 (better 25.Ba3 Re7 26.Be4 Be4 27.Ne4 Qh4+-) 25...Be4 26.Re4 (26.Qe4 Qh5 27.Ba3 Kg8+-) 26...Qf5 27.Rae1 (better 27.Qa4 Red8 28.Qa6+-) 27...Nc5?? (27...Kg8 28.Qe2+-) 28.R4e2 (better 28.Ba3+-) 28...Qc2 29.Rc2 Nd3 (29...Rb2 30.Rb2 Nd3 31.Rbb1 Ne1 32.Re1+-) 30.Rb1 (30.Ba3!? Kg8 31.Rd1 Rb3 32.Rd3 Ra3+-) 30...Nb2 (30...Kg8 31.Re2+/-) 31.Rcb2 Rbc8? (better 31...Rb2 32.Rb2 Rc8+/-) 32.Ne4+- Red8 33.Nd6 Rc6 34.Rb6 f6 (34...Rb6 35.Rb6 a5+-) 35.Rc6 fe5 (35...a5 36.ef6 gf6 37.Ne4+-) 36.Ne4 (36.Ra6 Ke7 37.Ne4 Rd7+-) 36...Rd4 (36...a5 37.Ng5 Kg8 38.Ra6+-) 37.Ng5 Ke7 38.Ne6 Kf6 (38...Rd6 39.Rd6 Kd6 40.Rb6 Kd5 41.Ng7 a5+-) 39.Nd4 (39.Nd4 Kg5 40.Ne6 Kf5 41.Rf1 Kg6 42.Rc7 Kh5 43.Rg7 Kh4 44.Rf8 e4 45.Rh8) 1-0. ClayPigeons (2165) - saima_zaidi (2250), Rated Bullet game, lichess.org, 2020.

6.c4 d5 7.e3 dc4 8.Bc4 Bc5 9.Nf3 0-0 10.0-0 Qb6 (10...Nd5 11.d4 Bd6 12.Nc3+=) 11.d4 (11.Bf6 gf6 12.d4 Bb4+/-) 11...Be7+= 12.Nbd2 (12.Qe2 Bd7+=) 12...Bd7 (12...Rd8 13.Ba3 Ba3 14.Ra3+=) 13.Qe2 Rc8 (13...Ra7 14.Rfb1+=) 14.Ne5 (14.Ba3 Ba3 15.Ra3 a5+/-) 14...Be8 (14...Ra7!?+=) 15.Rfc1 Nbd7 16.Ndf3 (16.ba6 ba6 17.Rcb1 Ne5 18.de5 Nd5+/-) 16...Ne5 (16...ab5 17.Ra8 Ra8 18.Bd3=) 17.Ne5 (17.de5!? Ne4 18.Bd4+/-) 17...ab5 (17...Bb5 18.Bb5 Qb5 19.Qb5 ab5 20.Ra8 Ra8 21.Rc7+=) 18.Ra8 Ra8 19.Bd3 Ra2 (19...Bc6 20.e4=) 20.Bb1 (20.Rc8 Bd8+=) 20...Ra8= 21.e4 (21.Qf3 Nd7=) 21...b4 22.Nc4 Qa6 (22...Qd8 23.Qd3 g6 24.Ne5=) 23.Bd3 Qa2 (23...Bb5 24.d5 h6 25.d6+/-) 24.Bb1 (better is 24.Nb6!? Ra5 25.Rc8+/-) 24...Qb3= 25.Bc2 Qa2 26.Bb1 Qb3 (26...Qa6 27.Qd3 Nh5 28.e5=) 27.Bc2 (27.e5 Nd5 28.Bc2 Qa2=) 27...Qa2 28.Bb1 ½–½. GuestFVKJ – StefanG, freechess.org, 2016.

6.c4 d5 7.e3 dc4 8.Bc4 Bd6 9.Nf3=.

6.e3 a5 7.Nf3 d5 8.Be2 b6 9.0-0 Nbd7 10.c4 Be7 11.Nd4 Bb7 (11...Qc7 12.cd5 Nd5 13.Nc6=) 12.Nc6+/- Bc6 13.bc6 Nb8 14.cd5 Qd5 (better is 14...Nd5 15.Bg7 Rg8+=) 15.Bf3+- Qb5 (15...Qd6 16.c7! Nc6+-) 16.c7 Nc6 17.Nc3 Qc5 18.Na4 Qb5 (18...Qd6 19.Rc1 Nd5 20.Nb6 Qc7 21.Na8+-) 19.Bf6 Bf6 20.Rc1 0-0 (20...Na7 21.Ba8 0-0 22.Be4+-) 21.Bc6 Qg5 1–0. DEFFM – GuestCNKF, freechess.org, 2018.

6.e3 Bb4 7.Nf3 d5 8.c4 dc4 9.Bc4 0-0 10.0-0 Nbd7 11.Ng5 (11.Qc2!?+=) 11...a5 12.Be6 (12.Nc3!?=) 12...fe6=+ 13.Ne6 Qb6 14.Qb3 Kh8 (14...Qd6 15.Bc3 Nd5 16.Nf8 Kf8 17.Bb4 Nb4 18.Qc4=+) 15.Nf8= Bf8 (worse 15...Nf8 16.Qb4!? ab4 17.Ra8+-) 16.d4 Bb4 0–1. DEFFM – asadha, freechess.org, 2019.

6.e3 Bc5 7.Nf3 0-0 8.Be2 d6 (8...d5 9.0-0+=) 9.d4 (9.0-0 Bb4+/-) 9...Bb6 (9...Bb4 10.Nbd2+/-) 10.0-0 Nbd7 (10...Ba5 11.Nc3+/-) 11.c4 Ba7 (11...Ba5 12.ba6 ba6 13.Bc3+/-) 12.Nc3 ab5?? (better is 12...a5+/-) 13.Nb5+- Qb6 14.Ra2 e5 (14...Ne4 15.Qc2 (15.Na7?! Ra7 16.Ra7 Qa7+-) 15...f5 16.Rfa1+- (16.Na7?! Ra7 17.Ra7 Qa7+-; 16.Ra7?! Ra7 17.Na7 Qa7+-)) 15.Qa1 (15.Na7?! Ra7 16.Ra7 Qa7 17.de5 de5 18.Ne5 Ne5 19.Be5 Qa2+-) 15...e4 (15...ed4 16.Bd4 (worse is 16.Ra7 Ra7 17.Qa7 Qa7 18.Na7 de3+-; worse is 16.Na7 de3 17.Bd4 ef2 18.Rf2 Qc7+-) 16...Nc5 17.Na7+-) 16.Nd2 Re8 (16...Nb8 17.Na7 Qd8 18.Nb5+-) 17.Na7 Nf8 18.Nc8 Ra2 (18...Rac8 19.Rb1 Qc7+-) 19.Nb6 Ra1 20.Ba1 1–0. DEFFM – GuestRXDM, freechess.org, 2018.

6.e3 d5 (--> 4.a4 d5 5.e3 cb5 6.ab5 a6).

6.Nf3 Bc5 7.e3 (7.Nc3 0-0= (7...d5 8.e3 0-0 9.Be2=) 8.e3 d6 9.Be2=) 7...0-0 8.d4 (8.Be2 d5 9.0-0=) 8...Bb6 (8...Bb4 9.Bc3 Be7 10.Bd3=) 9.c3 (9.Bd3 Ba5 10.Nbd2 ab5+=) 9...d5= 10.Nbd2 (10.Bd3 Bc7=) 10...Nbd7 (10...Ba5 11.Bd3=) 11.ba6 (11.Bd3 Ba5=) 11...ba6 12.Bd3 Bb7 (12...Bc7 13.0-0=) 13.0-0 Rb8 (13...Bc7 14.Qe2=) 14.Qc2 Qc8 (14...Qc7 15.Ba6 Ba6 16.Ra6+=) 15.c4 (15.Ba3 Re8+=) 15...Qc6 (15...dc4 16.Nc4 Bf3 17.gf3+=) 16.c5 Rfc8 17.Nb3 Ne4 (17...Bc7 18.Na5 Ba5 19.Ra5+-) 18.Nfd2 (18.Qe2 Bc7+-) 18...e5 19.Ne4 (worse 19.cb6 Qc2 20.Bc2 Rc2 21.Ne4 de4-/+ (worse 21...Rb2 22.Nec5 Nb6 23.Na5=)) 19...de4 20.Bc4 (20.cb6 ed3 (20...Qc2?! 21.Bc2 Rc2 22.Ba3=+) 21.Qc6 Rc6–+ (21...Bc6?! 22.Ra6 Nb6 23.Nc5-/+); 20.Ba6?! ed4 21.Bb7 Rb7 22.Bd4 Bc7+-) 20...ed4 21.ed4 (21.cb6?! Qc4 22.Qc4 Rc4 23.Bd4 Rb4=) 21...Bc7 22.d5 Qg6 (22...Qh6 23.g3 Be5 24.Be5 Ne5 25.Qe4+-) 23.c6 Bc6 (23...Nb6 24.Rfe1+-) 24.dc6+= Qc6 25.Rfd1 (better 25.Bf7 Kf7 26.Qc6 Bh2 27.Kh2 Rc6 28.Ra3-/+) 25...Nf6? (better 25...Ne5!? 26.Be5 Be5+-) 26.h3 (26.Bf6 gf6 27.Rac1 Bf4+-) 26...Kh8 (26...e3 27.fe3 Bb6+-) 27.Qe2 (27.Ra6?! Qa6 28.Ba6 Bh2 29.Kh2 Rc2 30.Bf6 gf6=+) 27...e3 28.fe3 (worse 28.Ba6 ef2 29.Kf1 Ne4+-) 28...Bg3 (28...Qc4 29.Qc4 Bh2 30.Kh2 Rc4 31.Ra6+-) 29.Rac1 (29.Rac1 Ne4 30.Bf7+-) 1–0. Luzuriaga,Norberto Horacio (2375) – Bonatti,Aldo (2020), ICCF WSTT/3/06/4, 2006.

6.Nf3 d5 7.e3= (7.ba6 ba6 8.e3 Bd6 9.Bb5=; 7.Nc3 Be7 8.e3 Nbd7 9.Ba3=) 7...Bd6 8.ba6 ba6 9.Bb5=,

6.Nf3 Be7 7.e3 (7.e4 Ne4 8.Bg7 Bc5 9.Bh8=) 7...0-0 8.Be2 d6 9.Nc3=.

6.c4 Be7 7.e3 0-0 8.Nf3 Ne8 9.Be2 f6 (9...a6 10.ba6 Na6 11.Nc3=) 10.0-0 f5 (10...Bb7 11.Nc3+=) 11.d4 d5 (11...Bb7 12.Ba3+=) 12.Ne5+- dc4?? (better 12...Bb7+-) 13.Bf3+- (13.Bc4?! Nc7+-; 13.Nc4?! Nc7+=) 13...Bf6 (13...Nc7 14.Ba8 Na8 15.Ra7+-) 14.Ba8 Be5 15.de5 Nd7 (15...Nc7+-) 16.Ra7 Nc5 (16...Rf7+-) 17.Qd8 Nd3 18.Qe7 (better 18.Ba3 Nc5 19.Bc5 bc5 20.Qc8+-) 18...Nb2 19.Qg7 (19.Bc6 h6 20.Be8 Bd7 21.Rd7 Rf7 22.Qf7 Kh7 23.Qg7) 19...Ng7+- 20.Nc3 Rf7 (20...Rd8+-) 21.Rf7 Kf7 22.Bc6 (better 22.Ra1 Nd3 23.Ra7 Kf8+-) 22...Nd3 23.Ra1 Ne5 24.Ra7 Kf6 25.h3 (better 25.Rc7!? Nc6 26.bc6 Ba6+-) 25...Nc6 26.bc6 Ne8 27.Nb5 Ng7 (27...Ke5 28.Ra8 Nd6 29.Nd6 Kd6 30.Rc8 b5+-) 28.Ra8 Ba6 (28...c3 29.Nc3 Ke7 30.Rc8+-) 29.Ra6 Ke5 (29...Ne8 30.Rb6 c3 31.Nc3 Ke7+-) 30.c7 Nh5 31.c8Q Nf6 32.Qc7 Ke4 33.Qf4 (33.Qc4 Ke5 34.Qd4) 33...Kd3 34.Qd4 Kc2 35.Ra2 Kb1 (35...Kb3 36.Qb2) 36.Qb2 1–0. BeepBeepImAJeep (2490) – PatapSana (1740), lichess.org, 2017.

6.e3 Bb7 7.Nf3 Bc5 8.d4 Bb4 9.c3 Be7 10.Nbd2 0-0 11.Bd3 d6 (11...a6 12.ba6 Ba6 13.c4=) 12.0-0 Nbd7 (12...a6 13.Qe2 ab5 14.Bb5+=) 13.Qc2 e5 14.e4 d5 (better is 14...Qc7!?+=) 15.ed5+- Nd5 16.Bh7 Kh8 17.de5 Qc7 (17...g6!? 18.Bg6 fg6+-) 18.Be4 Nf4 (18...Nc5 19.Ba3+-) 19.c4 (19.Bb7 Qb7 20.Qf5 Ne6+-) 19...Ne2 20.Kh1 Nc5 21.Ba3 Nd4? (21...Ne4 22.Ne4 Nf4+-) 22.Nd4 Qe5 (22...Ne4 23.Ne4 Qe5 24.Be7 Qe7+-) 23.Bb7 Nb7 (23...Qd4 24.Bc5 Bc5 25.Nb3+-) 24.Nc6 (24.Nc6 Qh5 25.Be7+-) 1–0. DEFFM – GuestVMDG, freechess.org, 2018.

6.e3 Bb7 7.Nf3 d5 8.Be2 Nbd7 (8...Bd6 9.0-0=) 9.d4 Bd6 10.0-0 Qc7 11.Nbd2 0-0 12.h3 (12.Ba3 Ne4+=) 12...Ne4= 13.c4 Ndf6 14.Rc1 Qe7 15.Ne5 Rfd8 (15...Rfc8 16.Ne4 Ne4 17.cd5 Bd5 18.Bf3=) 16.Ne4 Ne4 17.Nc6 Bc6 18.bc6 Rac8 (18...Bc7 19.Qa4=) 19.cd5+= ed5 20.Rc2 f5 (20...Bb8 21.Qc1=) 21.Ba6 Rc7 22.Qh5 g6 23.Qe2 Rf8 Black plans f4 24.Rfc1 (24.Ra1 f4+/-) 24...f4+= 25.ef4 Rf4 26.Rf1 Qh4 f2 becomes the focus of attention (26...Qf7!?+=) 27.Bc1 (27.g3!? Qh3 28.gf4 Bf4 29.f3 Rc6 30.Rc6 Be3 31.Qe3 Qg3 32.Kh1 Qh3 33.Kg1 Qg3 34.Kh1 Qh3 35.Kg1=) 27...Rf8+=. GuestXKVR – GuestLQYL, freechess.org, 2017.

6.e3 d5 (--> 4.a4 d5 5.e3 cb5 6.ab5 b6).

6.c4 Bc5 7.e3 0-0 8.Bf6 gf6 9.Nf3 a6 10.Nc3 ab5?? (better is 10...Bb4+=) 11.Ra8+- bc4 1–0. GuestDPNV – GuestZKSZ, freechess.org, 2017.

6.e3 a6 7.c4 Ra7 (7...d6 8.Nf3+-) 8.Nc3 ab5 9.Ra7 (9.Nb5 Ra6+-) 9...Qa7 10.Nb5 Qb6 (10...Qa2 11.Qc1+-) 11.Qf3 (11.Nf3 Na6+-) 11...Be7 12.Qg3 0-0?? (better 12...Nc6 13.Qg7 Rg8+=) 13.Qb8+- d6 14.Bf6 (14.Qa8 Qa6 15.Qa6 ba6 16.Bf6 gf6+-) 14...Bf6 (14...gf6 15.Qa8+-) 15.Qd6 Qa5 16.Qa3 (16.Qc7 Qa1 17.Ke2 e5+-) 16...Qb6 (16...Qa3 17.Na3 b6 18.Nb5+-) 17.Nf3 Bd7 18.c5 (18.d4 Bb5 19.cb5 Qc7+-) 18...Qa6 (18...Qd8 19.Bd3+-) 19.Qa6 ba6 20.Nd6 a5 (20...Rb8 21.Bd3+-) 21.d4 a4 (21...Rb8 22.Bd3+-) 22.Bc4 (22.Kd2 g5+-) 22...a3 (22...Rb8 23.Kd2+-) 23.0-0 (23.Kd2 Bc6+-) 23...Ra8 24.Ra1 g6 (24...Bc6 25.Ne1+-) 25.Bb5 Bb5 26.Nb5 a2 27.Nc3 (better 27.c6 Bd8 28.Kf1 Kf8+-) 27...g5 (27...Ra3 28.Na2 Kf8 29.Nd2+-) 28.Ra2 Rb8 (28...Ra2 29.Na2 Bd8 30.c6+-) 29.g4 h6 (29...Kg7 30.Ra7 Kg6 31.Ne4+-) 30.Ra7 1–0. DEFFM – chetachi, freechess.org, 2019.

6.e3 a6 7.Nf3 Be7 8.Be2 0-0 9.0-0 d5 10.c4 dc4 11.Bc4 Bd7 12.Bd4 Qc7 13.Qb3 Bc5 (13...Rc8 14.d3+=) 14.Be5 (14.Bf6 gf6 15.d4 Be7+/-) 14...Qd8 (14...Bd6 15.b6 Qc5 16.d4+=) 15.d4+/- Be7 16.Nc3 (16.Qd3 Ng4+/-) 16...a5 (16...Ng4 17.Bf4+/-) 17.Rfc1 Bc8 (17...Ng4 18.Bf4+/-) 18.d5 Bd6? (better is 18...ed5 19.Nd5 Nd5 20.Bd5 a4+/-) 19.de6+- Be6 (19...Be5 20.Ne5 Qd6 21.ef7 Kh8 22.Qa3+-) 20.Be6 Be5 21.Bf7! Kh8 (21...Rf7 22.Ne5 Zwischenzug) 22.Ne5 Qc7 (22...Nbd7 23.Nd7 Qd7 24.Be6+-) 23.Qe6 Nbd7 24.Ng6! hg6 25.Qh3 Nh7 (25...Nh5 26.Bg6 Ndf6 27.Bh5 Nh5 28.Qh5 Kg8 29.Nd5+-) 26.Ne4 Qe5 (26...Qc1 27.Rc1 Rfc8+-) 27.Bg6 Ndf6 (27...Qh5 28.Qh5 Ndf6 29.Nf6 Rf6 30.Qh7) 28.Nf6 Qf6 (28...Qh5 29.Qh5 Rf6 30.Qh7) 29.Qh7 1–0. DEFFM – GuestXZWN, freechess.org, 2018.

6.e3 d5 (--> 4.a4 d5 5.e3 cb5 6.ab5 Qb6).

6.e3 d6 7.Bd4+= Qc7?? 8.b6!+- Qd8 9.Ra7 Ra7 10.ba7 Na6 11.a8Q 1–0. Anonymous – Anonymous, internet, 2011.

6.e3 d6 7.Bd4 Qd8+=.

6.e3 d6 7.Nf3 Nbd7 (7...e5 8.Bc4=) 8.Be2+= Nc5 (8...e5 9.0-0+=) 9.Bf6 gf6 10.0-0 Bd7 (10...Rg8 11.Nc3+=) 11.c4+/- Bg7 12.Nc3 (12.d4 Ne4 13.Bd3+/-) 12...d5 (better is 12...f5!?+/-) 13.cd5+- ed5 (13...f5 14.d4 Ne4 15.de6 Qe6 16.Qd3+-) 14.Nd5 Qd6 15.Nc3 b6 (15...f5 16.Qc2+-) 16.d4 Nb7 (16...Ne6 17.Qc2+-) 17.Qc2 f5 (17...Be6 18.Ra6+-) 18.Bd3 0-0 (18...Qe6 19.e4 0-0 20.ef5+-) 19.Bf5 Bf5 20.Qf5 Qg6 (20...Rfd8 21.Ra6+-) 21.Nh4 (21.Nd5 Qf5 22.Ne7 Kh8 23.Nf5 Na5+-) 21...Qf5 (21...Qh6 22.Qg4 Kh8 23.Nd5+-) 22.Nf5 Bf6 (22...Na5 23.Nd5+-) 23.Nd5 Bg5 (23...Bd8 24.Ra6+-) 24.h4 Rad8 (24...Bd8+-) 25.hg5 Rd5 (25...Kh8 26.e4+-) 26.Ne7 Kg7 27.Nd5 Rd8 28.Nb4 Rd6 (28...Nd6 29.Nc6 Rc8 30.Na7+-) 29.Ra7 Nd8 30.d5 Kg6 31.e4 f6 32.f4 fg5 33.e5 1–0. GuestYJKS – GuestMQZL, freechess.org, 2018.

6.e3 Bd6 7.Nf3 0-0 8.Bd3 a6 (8...Qd8 9.Bd4+-) 9.0-0 Bc7 (9...Be7 10.Bd4 Qd8 11.Nc3+-) 10.c4 (10.Bd4!? Qd6 11.e4 Qe7+-) 10...d6?? (better 10...e5 11.Nc3 d6+-) 11.Bd4 1–0. DEFFM – Guestjuli, freechess.org, 2019.

6.e3 Be7 7.Nf3 0-0 8.Be2 d5 9.0-0 Bd7 10.Qc1 Bb5=+ 11.Bd4 Bc5 (11...Qc6 12.Bb5 Qb5 13.Nc3=+) 12.Bc5= Qc5 13.Ra5 Nc6?? (better 13...a6 14.Bb5 Nbd7=) 14.Rb5+- Qd6 (14...Qe7 15.Qb2+-) 15.Rb7 Ne5 (15...e5 16.d4+-) 16.Ne5 Qe5 17.Qa3 Qg5 (17...a5 18.d4 Qe4 19.Bd3+-) 18.f4 Qg6 19.Bd3 (19.Ra7?! Ra7 20.Qa7 Qc2+-) 19...Qg4 20.Ra7 Ra7 21.Qa7 g6 (21...Qh4 22.Nc3+-) 22.Qd4 Ne4 (22...Kg7 23.Nc3 Ra8 24.Be2+-) 23.Be4 de4 24.Nc3 f6 (24...f5 25.Qd7 Qh4 26.Qe6 Kh8 27.Nd5+-) 25.h3 Qg3 (25...Qf5 26.g4 Qa5 27.Ne4+-) 26.Ne4 Qh4 27.Qd7 Qh5 (27...Kh8+-) 28.Qe6 Kg7 29.Ra1 Qf5 30.Ra7 Kh6 (30...Kh8 31.Qe7 Rf7 32.Qf7 Qe4 33.Qh7) 31.Qe7 Rh8 (31...Rf7 32.Qf7 g5 33.Nf6 Qg6 34.Qf8 Qg7 35.Qg7) 32.Qg7 (32.Qg7 Kh5 33.Qh7 Rh7 34.Rh7) 1-0. DEFFM – GuestWRBW, freechess.org, 2021.

6.e3 Be7 7.Nf3 h6 8.Be2 0-0 9.0-0 Bd6 (9...Qd8 10.Bd4 a6 11.Nc3+=) 10.Bd4+/- Qc7?? (better 10...Bc5+/-) 11.Ra7+- Ra7 12.b6 (12.Ba7?! b6 13.Bb8 Qb8+/-) 12...Qc6 13.ba7 Qa4 (13...b6 14.Bb5!! Qb7 15.ab8B Qb8 16.Bf6 gf6+-) 14.Nc3 Qa5 15.Qa1 Ba3 (15...Qa1 16.Ra1 Nc6+-) 16.ab8Q d5 17.Bf6 gf6 18.Nd5! ed5 (18...Qd5 19.Qg3 Double attack (19.Qa3 Deflection; 19.Qa3 Overloading); 18...ed5 19.Qg3 Mate attack) 19.Qg3 Kh7 (19...Bg4 20.Qg4 Kh8 21.Qf6 Kh7 22.Qgg7) 20.Bd3 f5 (20...Bf5 21.Bf5 Kh8 22.Qf6) 21.Qag7 1-0. DEFFM – GuestFCFZ, freechess.org, 2021.

6.c4 0-0 7.e4? (7.d4 Be7=) 7...Bb6?? (7...Ne4 8.Nh3-/+) 8.Nf3 (8.Qf3 Ne8=) 8...e5 (better 8...Ne4 9.d4 Ba5 10.Nbd2 d5-/+) 9.Nd4?? (better 9.Qc2!? d6 10.d4=) 9...a6?? (9...Bd4 10.Bd4 ed4 11.d3–+) 10.Be2? (better 10.Nf5 d5! 11.Ng3 Ne4 12.Ne4 de4 13.Be5-/+) 10...ed4 11.Qb3 (11.d3 Ba5 12.Kf1 ab5 13.cb5 d5–+) 11...Ra7 (better 11...Ne4 12.Qf3 d5–+) 12.Qc3 (12.d3–+) 12...Ba5 (better 12...dc3 13.Nc3 Qe7–+) 13.Qh3?? (better 13.Qa5 b6 14.Qb4 Ne4 15.Bd4+=) 13...Bb4 (better 13...d5 14.Qg3 Bc7–+) 14.Bh5?? (better 14.Bd4 d6 15.Qh4–+) 14...Bc5 (14...d5 15.Qg3 Bd6 16.Qg5–+) 15.Ra4 (15.Qh4 d5 (worse 15...Nh5 16.Qh5 f5 17.0-0–+) 16.ed5 Re8 17.Kd1 Qb6–+) 15...d6 (better 15...d5 16.Qh4 Re8–+) 16.Na3 (16.Qh4–+) 16...Bg4 (16...Bh3 17.Bf3 Nbd7 18.gh3–+) 17.Nb1?? (better 17.Bg4 Ne4 18.Bf5=+) 17...Qb6 (better 17...Bh3 18.Bf3 Bd7 19.0-0–+) 18.Ra5?? (18.Bg4 ab5 19.Ra7 Qa7 20.0-0–+) 18...Kh8 (better 18...Bh3 19.Ra1 Bg2 20.Rg1 Be4 21.f3–+) 19.Ra2 (19.Bg4 Qa5 20.Bf5 Qa2–+) 19...Bc8 (19...Bh3 20.gh3 Nh5 21.d3–+) 20.f4 (20.Qh4 ab5 21.Ra7 Qa7 22.cb5 Qa2–+) 20...h6 (20...Bh3 21.Bf3 Be6 22.d3 ab5 23.Ra7 Qa7 24.Nd2 bc4 25.e5–+) 21.Rg1 (21.g4 ab5 22.Ra7 Qa7–+) 21...Nh5 (better 21...Bh3 22.gh3 Nh5 23.Ba3–+) 22.g4 (22.Qh5 ab5 23.Ra7 Qa7–+) 22...d5 (better 22...Nf4 23.Qg3 ab5 24.Ra7 bc4 25.Ra2 Nd3 26.Ke2 Nb2 27.Kf1–+) 23.Rg2 (23.Qh5 dc4 24.g5–+) 23...Qe6 (better 23...Nf4 24.Qf3 Ng2 25.Qg2 ab5 26.Ra7 Qa7 27.cd5–+) 24.Ra4 (24.Qf3 de4 25.Qf1 Qf6 26.gh5 Bh3–+) 24...a5 (better 24...Qe4 25.Re2 Qb1 26.Kf2 Nf4 27.Qf1 Qb2 28.d3–+) 25.Na3 (25.Qf3 de4 26.Qf1 Nf6–+) 25...Bd6 (better 25...Qe4 26.Re2 Qe2 27.Ke2 Nf4 28.Kf1 Nh3 29.cd5 f5 30.Bd4 Bd4 31.Rd4 fg4 32.Ke1 Ng5–+) 26.Qh5 Bf4 (better 26...Qe4 27.Re2 Qh1 28.Kf2 Bc5 29.cd5 d3 30.Kg3 Kg8–+) 27.Bc1?? (27.Qd5 Qg6 28.Qd4–+) 27...Qf5 (27...Qe4!? 28.Re2 Qh1 29.Kf2 Bh2 30.Re1 Bg3 31.Kg3 Qe1 32.Kg2–+) 28.Nc2 (better 28.gf5!? Nd7 29.Bb2 Be5 30.cd5 Nc5+-) 28...dc4 (better 28...Qe4 29.Re2 Qc2 30.Ra1–+) 29.Re2 (better 29.gf5 Nd7 30.Rc4+-) 29...Bd2 (better 29...Qh5!? 30.gh5 d3 31.Rf2–+) 30.Rd2 Re8 (better 30...Qe4 31.Kf2 Qf4 32.Kg1 c3–+) 31.h3 (better 31.gf5 Re4 32.Re2 Re2 33.Qe2+-) 31...Qg4 (better 31...Re4 32.Re2 Re2 33.Ke2 Qc2 34.Bd2 Qa4–+) 32.Rh2 (32.hg4 Re4 33.Kf1 Bg4 34.Qf7 Nd7 35.Rd4 Rd4 36.Qe8 Kh7 37.Nd4 Nc5+-) 32...b6 (32...Qh5 33.b6 Re4 34.Be3–+) 33.Kf2 (better 33.hg4 Re4 34.Kf1 Bg4 35.Qd5+-) 33...Be6 (better 33...Qh5 34.Rc4 d3–+) 34.Qg4 (better 34.hg4 Kg8 35.Bh6 g6+-) 34...Rae7?? (better 34...Bg4 35.hg4 d3–+ (35...Re4?! 36.Rc4 Nd7 37.Rd4 Rd4 38.Nd4=)) 35.Qh5+- Bh3 (35...Bd7 36.Bh6! Re5 37.Qf7 gh6 38.Nd4+-) 36.Kg3 (36.Bh6 f6 37.Rh3 Rd8 38.Bf4 Kg8 39.Qh8 Kf7 40.Qd8 Rd7 41.Qb8 f5 42.Rh8 g5 43.Qe8 Kf6 44.Be5) 36...Na6 (36...d3 37.Bh6! f6 38.Bf4 Kg8+-) 37.Kf4 (37.Bh6 Nc5 38.Bg5 Kg8 39.Be7 Ne4 40.Kh3 Re7 41.Kg2+-) 37…Re4 (37...Nc5 A) 38.Rh3?! Na4 (38...Re4 39.Kf3 Na4 40.Bh6+-) 39.Kf3 Re6 40.Nd4 Rg6+-; B) 38.Rc4 Bf1 39.Rc5 bc5 40.Kg3+-) 1–0. aravind555 – Malikcompatissant, lichess.org, 2019.

6.d4 A) 6...Be7 7.e3 (7.Nf3 d5 8.e3 Bd7 9.Bd3=; 7.Nd2 d5 8.Ba3 Bd7 9.e3=) 7...d5 8.Ba3 Ba3 9.Ra3+=; B) 6...Bb4 7.c3 (7.Bc3 Bc3 8.Nc3 Qc7 9.Qd3=) 7...Be7 8.e3 0-0 9.Bd3=.

6.e3 0-0 7.Nf3 d5 8.Be2 Nc6?? (better 8...Nbd7=) 9.bc6+- 1–0. DEFFM – GuestZNPV, freechess.org, 2019.

6.e3 0-0 7.Nf3 d6 8.c4 e5 9.Be2 Bg4 (9...e4 10.Nd4=) 10.0-0 Bf3 11.Bf3 e4 12.Be2 Nbd7 13.Nc3 a6 14.Qc2 ab5 (14...Qe7 15.ba6 ba6 16.f3+/-) 15.Ra8+/- Qa8 16.cb5 (16.Ne4 Ne4 17.Qe4 bc4 18.Qc4 Qa5 19.Bg7 Kg7 20.Qg4 Kh8 21.Qd7 Qd2+-) 16...b6 17.Ra1 Qb7 18.f3 (18.Bc4 Rc8+=) 18...d5= 19.fe4 de4 20.Rf1 Re8 21.Na4 Qd5 (21...Bd6 22.Bf6 Nf6 23.Qc6+=) 22.Bc4 Qg5 23.Qb3 Rf8 24.Nc5 Nc5 25.Bf6 gf6 26.Qc3 Kg7 27.Qd4 h5? (27...Qe5 28.Rf4+=) 28.h3 (28.Qd6 Rc8+-) 28...h4? (better is 28...Qe5+=) 29.Rf4+- Kh7 (better is 29...Qe5+-) 30.Rg4 (30.Rf6!? Qg3+-) 30...Qh6 0–1. GuestHJQM – GuestBNYG, freechess.org, 2017.

6.e3 a5 7.Be2 (7.Nf3 0-0 8.Be2 d5 9.0-0=; 7.Qf3 d5 8.Bf6 Qf6 9.Qf6=; 7.c4 d6 8.d4 Bb4 9.Bc3=; 7.d4 Bb4 8.c3 Be7 9.Nf3=) 7...0-0 8.Nf3 d5 9.0-0=.

6.e3 a6 7.Be2 (7.Nf3 0-0 8.Be2 d5 9.0-0=; 7.Bd3 d6 8.Nf3 0-0 9.0-0=) 7...d5 8.Nf3 0-0 9.0-0=.

6.e3 d5 (--> 4.a4 d5 5.e3 cb5 6.ab5 Bc5).

6.Nf3 A) 6...a5 7.e3 (7.d4 Bb4 8.c3 Be7 9.c4=) 7...0-0 8.Be2 d5 9.0-0=; B) 6...d5 7.e3 (7.Nc3 0-0 8.e3 Bd6 9.Be2=; 7.Ne5 Nbd7 8.e3 0-0 9.Nd7=) 7...0-0 8.Be2 a6 9.0-0=; C) 6...a6 7.e3 d5 8.Be2 0-0 9.0-0=; D) 6...d6 7.d4 (7.e3 0-0 8.d4 Bb4 9.c3=) 7...Bb6 8.e3 Ba5 9.Bc3+=; E) 6...0-0 7.e3 d5 8.Be2 a6 9.0-0=.

6.c4 dc4 7.e3 Bc5 8.Bc4 0-0 9.Nf3 Nbd7 10.0-0 Nb6 11.Be2 Bd7 12.d4 Be7 13.Qb3 Nbd5 14.Nbd2 a6 15.ba6 ba6 16.Ra6 (16.Ba3 Rb8 17.Qc2 Ba3 18.Ra3=) 16...Ra6?? (16...Rb8 17.Qc2 Nb4-+) 17.Ba6+/- Qa5 18.Bd3 Ba4 (18...Nb4 19.Bc3+/-) 19.Qa2 (19.Ra1 Ra8 20.Qc4 Qb6+/-) 19...Ra8 20.Nc4 Qa7 21.Ra1 Nb4 22.Qb1 Nd3 23.Qd3 Qd7?? (23...Qb7 24.Nfe5+/-) 24.Nce5 (better 24.Nb6 Qc6 25.Na8 (25.Na4?! Ra4 26.Ra4 Qa4+/-; 25.Ra4?! Ra4 26.Na4 Qa4+/-) 25...Qa8 26.Qc2+-) 24...Qa7 (24...Qb7 25.Ba3 Bb5+=) 25.d5 (better 25.Ng5 Qb7 26.Bc3+-) 25...Bc2?? (better 25...Qb7 26.de6 Qb2 27.ef7 Kh8+=) 26.Ra7+- (26.Qc2? Qa1 27.Bc1 Nd5-+) 26...Ra7 27.Qc2 Nd5 28.Nc6 (28.Ng5 Nf6 29.Nef7 Rd7 30.Bf6 Bf6 31.Qc8 Bd8 32.Qd7 Be7 33.Qe7 g6 34.Qd8 Kg7 35.Qh8) 28...Rc7 (28...Rb7 29.Ne7 Ne7 30.Ng5+-) 29.Ne7 Re7 30.e4 (30.Qc8 Re8 31.Qe8) 30...Nb6 31.Qc5 Rd7 32.Ne1 (32.Bd4 Rd8 33.Qe5 f6 34.Qe6 Kh8 35.Qb6 Rc8+-) 32...Rd1 33.Kf1 g6 34.Qb6 Rb1 (34...e5 35.Qb8 Kg7 36.Qe5 Kh6 37.Qf4 g5 38.Qf7 g4 39.Bg7 Kg5 40.Qf6 Kh5 41.Qh6) 35.Qb8 (35.Qd8) 1-0. ClayPigeons (2145) - najdorf77 (2165), Rated Bullet game, lichess.org, 2020.

6.c4 Nbd7 7.e3 b6 8.d4 Bb7 9.Nc3 dc4 10.Nf3 Bb4 11.Bc4 Rc8 12.Qb3 Bc3 13.Bc3? (13.Qc3 Bd5 14.Nd2 Bg2=) 13...Bf3 (better 13...Qc7 14.Ra4 Bd5 15.Bd5 Qc3 (worse 15...Nd5 16.Bd2+/-; worse 15...ed5 16.Bd2+/-) 16.Qc3 Rc3=+) 14.gf3= Qc7 15.Be6? (better 15.Ra4=) 15...fe6-+ 16.Qe6 Kd8 17.Bb4 (17.Bd2 Re8 18.Qf5 Qb7-+) 17...Re8 18.Qf7 Nb8?? (18...Qc2 19.0-0 Qf5 20.Rfc1 Rc1 21.Rc1 Qg5 22.Kh1-/+) 19.Qb3? (19.Qc7 Rc7 20.Bd6 Rb7=) 19...Qc4 (19...Qf4 20.Qd1 Qh4-+) 20.Qa3? (better 20.Qc4!? Rc4 21.Bd6=+) 20...a5 (better 20...Qb5!? 21.Rg1 Nc6 22.Bc3-+) 21.ba6 Nd5 (21...Qa6 22.Rg1 Qb7 23.Bd6-/+) 22.a7? (22.Bd2 Nd7 23.Rc1+=) 22...Qb4?? (better 22...Nb4 23.a8Q Nc2 24.Kd2 Na3 25.Qa3 Qd5-+) 23.Qb4+- Nb4 24.a8Q N8c6 (24...Nd7 25.Qb7 Nc2 26.Kd2 Na1 27.Ra1+-) 25.Qb7 Nc2 26.Ke2 Na1 27.Qb6 Kd7 28.Ra1 Nd4 (28...Rb8 29.Qc5 Rb2 30.Kd1 Reb8 31.Qf5 Ke8 32.Qh7 Ne7 33.Qg7 Nc8+-) 29.Qd4 Ke7 (29...Ke6 30.Ra6 Kf7 31.Ra7 Re7 32.Qd5 Kf8 33.Qf5 Ke8 34.Qc8 Kf7 35.Qf5 Kg8 36.Ra8 Re8 37.Re8) 30.Ra7 Ke6 31.f4 (31.Qd7 Kf6 32.Ra6 Rc6 33.Rc6 Ke5 34.Qd6 Kf5 35.Qf4) 31...Red8 (31...Rc2 32.Kf3 Rf2 33.Kf2 Kf5 34.Rf7 Kg4 35.Qg7 Kh4 36.Qh7 Kg4 37.Rg7) 32.Qe5 1-0. ClayPigeons (2165) - fkrslh (2190), Rated Bullet game, lichess.org, 2020.

6.c4 Be7 7.e3 0-0 8.Nf3 Nbd7 9.Be2 (9.d4 dc4 10.Bc4 Nb6=) 9...dc4=+ 10.Bc4 a6 (10...Nb6 11.Be2=) 11.0-0= a5 12.Be2 b6 13.d4 Bb7 14.Nbd2 Rc8 (14...Ne4 15.Ne4 Be4 16.Qa4=) 15.Nc4 (15.Qa4 Ne4=) 15...Bb4 (15...Bf3 16.gf3 Bb4 17.f4=+) 16.Nfe5 Qe7 17.Bf3 White fights for the Initiative 17...Bf3 18.Qf3 Ne5 19.Ne5 Nd5 (19...Rc2 20.Rab1=) 20.Nc6+= Qf6 21.e4 (21.Qf6 Nf6 22.Rfc1 Bd6+=) 21...Qf3= 22.gf3 Nf4 23.Rfd1 Rc7 (23...Bd6!?=) 24.d5+- ed5 (24...f6!? 25.Bd4 Bc3 26.Bb6 Rb7+-) 25.Be5 (25.ed5?! Rd7=; 25.Nb4?! ab4 26.Be5 Ne2 27.Kf1 Rc2 28.Rd5 b3=+) 25...Rd7? (better 25...Rc6 26.bc6 Ng6+-) 26.Bf4+- f6 (26...d4 27.Rd4 Rd4 28.Nd4+-) 27.Rd5 Rd5 28.ed5 g5 (28...Bc5 29.Rd1 g5 30.Bc7+-) 29.Bg3 (better 29.Be3 Kf7+-) 29...Re8 (29...Rf7+-) 30.Rd1 (30.Rd1 Kf7 31.d6 Bd6 32.Bd6+-; 30.d6 Bd6 31.Bd6 Re2+-) 1–0. BeepBeepImAJeep (2570) – JimmyTudeski (2180), lichess.org, 2016.

6.d4 Be7 7.e3= Bd7 8.Bd3 Qb6 9.Nc3 Bb4 10.Nge2 Bb5-/+ 11.Bb5 Qb5 12.0-0 Qb6 13.Ba3 0-0 14.Rb1= Nc6 15.Na4 Qa5=+ 16.Bb4 Nb4 17.Nc5 b6-/+ 18.Nb3 Qa6 19.Ra1 Qb7 20.Nc3 Nc6 21.Nb5-/+ Rfd8 22.h3 a6 23.Nc3 b5 24.Na5 Na5–+ 25.Ra5 Qb6 26.Qa1-/+ Rdc8 27.Rc1 Rc4 28.Ne2 Ne4 29.f3 Nd6–+ 30.c3 Rc6 31.Qa3?? Nc4 (31...Nc4 32.Ra6 Qa6 (32...Na3?? 33.Ra8 Rc8 34.Rc8 Qd8 35.Rd8) 33.Qa6 Rca6–+) 0–1. wood – Iwill, Live Game Caissa's Web, 2005.

6.Bd4 A) 6...a6 7.e3 (7.Nc3 Bd6 8.Nf3 Nbd7 9.ba6=+; 7.Nf3 Bd6 8.ba6 ba6 9.Be5=+) 7...Nbd7 8.f4 Bc5 9.Bc5=; B) 6...Nbd7 7.Nf3 Qc7 8.e3 Bd6 9.Nc3=.

6.Nf3= a5 7.e3 (7.Nc3 Bd6 8.e3 0-0 9.Be2=) 7...Bd6 8.Be2 0-0 9.0-0=.

6.Nf3= a6 7.Nc3 (7.e3 Bd6 8.ba6 ba6 9.Bb5=) 7...Bd6 8.ba6 Na6 9.Nb5=.

6.Nf3= Bd6 7.e3 a6 8.Be5 Be5 9.Ne5=.

6.Nf3= Nbd7 7.e3 Bd6 8.d4 a6 9.Bd3=.

6.Nf3 Nbd7 7.e3 Bd6 8.Be2 0-0 9.0-0 Nb6 10.d3 Bd7 (10...Qc7 11.c4=) 11.c4 a6 12.ba6 Ra6 13.Ra6 ba6 14.cd5 (14.Nbd2 dc4 15.Nc4 Nc4 16.dc4 Bc6+=) 14...Nbd5 (14...Nfd5 15.Nc3 f6=) 15.d4 (15.Nbd2 Bb4+=) 15...Be7 (15...Qb6!? 16.Ba3 Rc8 17.Bd6 Qd6=) 16.Ne5= Qb6 (16...Qc7 17.Na3+=) 17.Nd7 Nd7 18.Ba3 (18.Qc2!?+=) 18...Ba3= 19.Na3 Nc3 20.Qd3?? (20.Qc2 Qb4 21.Ra1 Ne2 22.Qe2 a5=) 20...Ne2?? (better is 20...Qb2 21.Nc2 Ne2 22.Qe2 Rc8–+) 21.Qe2= Rc8 22.Ra1 Qa5 23.Qf1 (23.g3 h6=) 23...Qc3+= 24.g3 Nf6 (24...h6 25.Qb1=) 25.Ra2 Qc1 26.Qc1 Rc1 27.Kg2 Rc6 28.Nb1 Kf8 29.Nd2 Ke7 30.Nf3 Nd5 31.Ne5 Rb6 32.Nc4 Rc6 33.Ne5 Rb6 34.Nd3 Nc7 35.Nc5 Attacks the isolani on a6 35...Kd6 ½–½. Latka,Tadeusz (1680) – Jedrocha,Katarzyna, Cztery pory roku w KKSz – ZIMA Poland, 2012.

6.c4 0-0 7.e3 a6 8.Nc3 ab5?? 9.Ra8+- bc4 10.Rb8 Qc7 11.Ra8 b6 12.Nf3 Qb7 13.Qa4 d5 14.Ra7 Qb8 15.Re7 Ne4 16.Ne4 de4 17.Be5 Qe5 18.Ne5 Rd8 19.Qe8! Re8 20.Re8# 1–0. pereira – wghw, internet, 2009.

6.c4 0-0 7.e3 Qc7 8.Nf3 d6 9.Be2 Nbd7 10.d4 b6 11.Nfd2 Bb7 12.Bf3 d5 13.Ba3 Ba3 14.Na3 dc4 15.Nac4 Nd5 16.Qb3 N7f6 17.0-0 Ne8 18.Rac1 Qe7 19.Qa3 Qd7 20.Ne5 Qd6 21.Qd6 Nd6 22.Bd5 Bd5 23.Rb1 Rac8 24.f3 f6 25.Nd3 Nc4 26.Nc4 Bc4 27.Rfd1 Rc7 28.Nf2 Rfc8 29.Ne4 Bd5 30.Nf2 Rc3 31.e4 Bb3 32.Re1 Rd8 33.Nd1 Bd1 34.Red1 Rc4 35.d5 ed5 36.ed5 Rc5 37.d6 Kf7 38.Ra1 Rd7 39.Rac1 Rc1 40.Rc1 Rd6 41.Rc7 Kg6 42.Ra7 Rd5 43.Kf2 Rb5 44.g4 f5 45.h3 f4 46.h4 Rb2 47.Ke1 h6 48.Ra4 b5 49.Rf4 b4 50.h5 Kh7 51.Rd4 Kg8 52.f4 Kf7 53.Rd2 Rb3 54.Ke2 Rg3 55.Rd7 Kf8 56.Rd8 Ke7 57.Rb8 Rg4 58.Rb4 Rh4 59.Rb5 Rf4 60.Ke3 Rh4 61.Kf3 Kf6 62.Kg3 Re4 63.Rb6 Re6 64.Rb5 Re5 65.Rb6 Kg5 66.Rg6 Kh5 67.Rg7 Rg5 68.Rg5= hg5 ½–½. hal1958 – ChessWorm, playchess.de, 2003.

6.Bd4 d5 7.Ba7 (7.Nc3 Nbd7 8.Nf3 Bd6=) 7...0-0 (better is 7...Bc5! 8.Bc5 Ra1-/+) 8.Bb6+= Qb6 9.Ra8 Nbd7 10.Rc8?? (better is 10.e3+/-) 10...Rc8=+ 11.Nf3 Qb5 12.e4? (better is 12.e3 Qb2 13.Bd3-/+) 12...de4?? (12...Qb6 13.Nc3 Rc3–+) 13.Bb5+- (13…ef3 14.g3+-) 1–0. chevin – welshman, Caissa.com, 2004.

6.e3 0-0 7.c4 b6 8.Nf3 Bb7 9.Be2 d5 10.0-0 dc4 11.Bc4 Nbd7 12.d4 Rc8 13.Nbd2 (13.Be2 Ra8+=) 13...Ra8 (13...Bf3!? 14.gf3 Bb4=) 14.Qb3 Ne4 15.Bd3 Ndf6 16.Nc4 Qd5 17.Nfe5?? (better is 17.Ba3 Ba3 18.Ra3+=) 17...Nd2! (17...Nd2 18.e4 Nb3 19.ed5 ed5–+ (worse is 19...Na1 20.d6 Bd8 21.Ra1-/+)) 0–1. GuestPJFZ – Zentropics, freechess.org, 2017.

6.e3 0-0 7.Nf3 b6 8.Be2 Bb7 9.c4 d6 10.0-0 Nbd7 11.d4 Ne4 12.Qc2 (12.Nfd2 Nd2 13.Nd2 Qc7+=) 12...d5 (12...f5 13.Nfd2+=) 13.Nc3+/- Ndf6 (13...Bd6 14.Ba3 Ba3 15.Ra3 Nc3 16.Rc3+/-) 14.Ne4 Ne4 15.Ne5 Rc8 (better is 15...Qc7!?+/-) 16.Ra7+- Rc7 (16...Qc7 17.Rfa1 Nd6 18.Nc6 dc4 19.Bf3+-) 17.f3 (17.Nc6 Bc6 18.Rc7 Qc7 19.cd5 ed5 20.bc6 Bd6+-) 17...Nd6 18.c5 bc5 (18...Nc8 19.Nc6! Bc6 20.Rc7 Qc7 21.cb6 Qb6 22.Qc6 Qc6 23.bc6+=) 19.b6 (19.dc5 Nb5 20.Rb7 Rb7+=) 19...Rc8 20.dc5 Bf6?? (20...f6 21.Nd3 Qb6+-) 21.Bd3 Be5 (21...Re8 22.Bh7 Kh8 23.Bd3+-) 22.Be5 Qg5 (22...Nc4 23.Bc4 Rc5 24.Rb7 Rc4+-) 23.f4 Qg2 24.Qg2 (24.Qg2 g6 25.Bd6+-) 1–0. DEFFM – GuestMCHS, freechess.org, 2018.

6.e3 0-0 7.Nf3 d5 8.Be2 Nbd7 9.d4 Nb6 10.Nbd2 Bd7 11.Ne5 Qe8 12.Nd7 Qd7 13.0-0 Bd6 14.f4 Qe7 (14...a5 15.ba6 Na4 16.Ra2=) 15.Rf3+= Nfd7 (15...Rfc8 16.c3+=) 16.Rh3 (16.e4 de4 17.Ne4 Rfc8+-) 16...f5+= 17.c3 Nf6 18.c4 Ne4?? (better 18...dc4 19.Nc4 Nc4 20.Bc4 Nd5+=) 19.Ne4 de4 (19...fe4 20.c5 Bc7 21.cb6 ab6 22.Bc3+-) 20.c5 Bc5 21.dc5 Nd5 1–0. DEFFM – GuestRYYH, freechess.org, 2019.

6.g3 0-0 7.Nf3 d5 8.Bg2 Bd7 9.Nc3 Bb4 10.Qb1 a6 11.0-0= Bc3 12.Bc3 Bb5 13.Nd4 Bc6 14.Nc6 bc6 15.Qb7 Nbd7= 16.Qc6 Qc8 17.Qd6 Qd8 (better is 17...Qc4!?=). nn (2235) – super knight (1645), internet, 2007.

5.c4 cb5 6.ab5 Bc5 (6...d5!? 7.e3 Nbd7=) 7.e3+/- Be7 8.Nf3 d6 9.Be2 Nbd7 10.0-0 0-0 11.d4 e5? (11...a5 12.Nc3+/-) 12.de5 (12.c5!? dc5 13.de5+-) 12...de5+/- 13.Ne5 (13.Be5?! Ne5 14.Ne5 Rd8+=) 13...Ne5 14.Be5 Be6 (14...Bf5 15.Nc3+/-) 15.Bd4 Qc7 (15...Qd6!?+/-) 16.Ra7+- Ra7? (better is 16...Nd7 17.Qa4 Ra7 18.Qa7 Rb8+-) 17.Ba7?? (better is 17.b6 Qc6 18.ba7+-) 17...b6+= (worse is 17...Bc4 18.Qc2 Qa5 19.Qc4 Qa7 20.Bf3+/-) 18.Qa4 Ra8 19.Bb6 Qb7 (better is 19...Qb8!? 20.Ba5 Bd8+=) 20.Ba5+= Bd8?? (better is 20...Qa7 21.b6 Qa5 22.Qa5 Ra5+=) 21.Bf3+- Ne4 (21...Bd5 22.Bd5 Nd5 23.Rd1+- (23.cd5?! Ra5 24.Qe4 Qb5+-)) 22.Rd1 Ba5 (22...Qb8 23.Rd8 Qd8 24.Bd8 (24.Be4 Ra5 25.Qc2 Ra2=) 24...Ra4 25.Be4 Rc4 26.f3+-) 23.Qa5!! g6 (23...Ra5 24.Rd8) 24.Rd8 Rd8 25.Qd8 Kg7 26.Qd4 f6 (26...Kg8 27.Be4 Qb8 28.Nd2+-) 27.Be4 Qc7 (27...Qb8 28.Nd2 Kf7 29.b6+-) 28.b6 Qc4 29.Qc4 (29.Qc4 Bc4 30.b7+-) 1–0. DEFFM – GuestDWLC, freechess.org, 2018.

5.e3 a5 6.c4 Bb4 7.Nf3 0-0 (7...Qd8 8.Bc3=) 8.Be2 Ng4 9.0-0 Bd6 (9...d5 10.Qc2 Nd7 11.Rc1+=) 10.h3+/- f5? (better is 10...Nh6+/-) 11.d4+- Nh6 (11...Nf2 12.Kf2 Qc7 13.c5 Bg3 14.Kg1 cb5 15.ab5+-) 12.c5 Bc5 13.dc5 Qc5 14.Ba3 Qb6 15.Bf8 Kf8 16.Qd6 Kg8 (16...Ke8+-) 17.Qe7 Kh8 (17...g6 18.Ng5 d5 19.Qe8 Kg7 20.Qc8 cb5 21.Ne6 Kf7 22.Nc7+-) 18.Qf8 (18.Ng5 Qc5 19.Qd8 Qf8 20.Qf8 Ng8 21.Nf7) 18...Ng8+- 19.Ne5 h6 20.Bh5 cb5 21.Bg6 (21.Bg6 Qe3 22.Nf7) 1–0. GuestYDBL – jorgejorge, freechess.org, 2017.

5.e3 cb5 6.ab5 d5 (--> 4.a4 d5 5.e3 cb5 6.ab5 Qb6).

5.e3 Be7 6.Nf3 d5 7.c4 (7.Be2 Nbd7=) 7...dc4 (7...0-0 8.Nc3=) 8.Bc4 0-0 9.0-0 Ne4 (9...Nbd7 10.Qc2+=) 10.Qc2+= f5 (10...Nd6 11.Bd4 Qd8 12.Bd3+=) 11.Nd4 Bf6 (better is 11...cb5!? 12.ab5 Kh8+/-) 12.Ne6+- (worse is 12.Be6 Be6 13.Ne6 Re8+-) 12...Be6 13.Be6 Kh8 14.d4 cb5 (better is 14...g6+-) 15.Bf5 Ng5 16.f4 (better is 16.ab5 g6 17.Bd3+-) 16...g6?? (16...Ne6 17.Nc3 Bd4 18.ed4 Nd4+-) 17.fg5 Bg5 18.d5 Bf6 19.Be6 Qe3 20.Kh1 Kg7 21.Ra3 (worse is 21.ab5 Bb2 22.Qb2 Kh6+-) 21...Na6 (21...Be5 22.Qc7 Kh6+-) 22.Re3 Bb2 23.Qb2 Kh6 24.Rh3 Kg5 25.Qd2 Rf4 26.Qf4 1–0. DEFFM – GuestDMLB, freechess.org, 2018.

6.a5 Qc7 7.b6 Qd8 8.Nf3 Be7 9.d4 c5 10.Bd3 d5 11.c4 (11.dc5 Bc5 12.0-0 0-0+=) 11...cd4= 12.ed4 dc4 13.Bc4 Nc6 14.0-0 0-0 15.Re1 Nd5 16.Ne5 Bf6 (16...Na5!? 17.Ra5 Bb4=) 17.Nc6+/- bc6 18.Nd2 Bb7 (18...Be7 19.Ba3+/-) 19.Ne4 Be7 20.Nc5 Qc8 21.Qd3 Nb4 22.Qg3 Bf6?? (better 22...Nd5+-) 23.Re6! Kh8 (23...fe6 24.Be6 Double attack) 24.Rf6! (24.Rf6 gf6 25.Nb7+-) 1-0. onur604 (2320) - Virexio (2395), Casual Rapid game, lichess.org, 2021.

6.c4 d6 7.Nc3+= a5 (7...Nbd7 8.Nf3+=) 8.Nf3 Be7 9.Be2 0-0 10.0-0 Nbd7 11.d4 c5 12.Qc2 d5 (12...h6 13.d5+=) 13.cd5 (13.Rfd1 Rd8+/-) 13...ed5 14.Ng5 h6? (better is 14...g6!?+/-) 15.Nd5+- Qd6 16.Ne7 Qe7 17.Nh3 b6 18.Nf4 (better is 18.Bf3 Rb8 19.Rfd1+-) 18...g5? (better is 18...Bb7+-) 19.Bf3 Rb8 20.Nd5 Qd6 (20...Qe6 21.Nf6 Nf6 22.dc5 bc5+-) 21.dc5 bc5 22.Qc3 1–0. DEFFM – amplitude, freechess.org, 2018.

6.Bf6 gf6 7.a5 Qd8=.

8.Ba1 Qa5 9.Nc3 cb5 10.cb5 Bb4 11.Nf3 Bc3 12.Bc3 Qb5?? (better is 12...Qd8+/-) 13.Bb5+- Nd5 (13...Nd5 14.Bg7 Rg8+-). GuestPLVP – GuestYSJ, freechess.org, 2017.

8.Ba1 Bb4 9.Nc3 (9.Qf3!? Be7 10.Qg3+=) 9...d5= 10.cd5 cd5 11.Nf3 0-0 12.Be2 Bd7 13.0-0 Bc3 (13...Rc8!?=) 14.Bc3+= Bb5? (better is 14...Ne4+=) 15.Qb1+- Ne4 16.Qb5 (16.Bb5 Nc6+-) 16...Qb5 17.Bb5 Nc3 18.dc3 Nc6 19.Nd4 Rc8 20.Ra1 g6 21.g3 1–0. GuestXZJW – EyeOfGoose, freechess.org, 2017.

8.Ba1 cb5 9.Bf6 gf6 10.cb5=.

8.Ba1 d5 9.bc6 (9.Bf6 gf6 10.Nc3 Bd6=) 9...bc6 (9...dc4 10.Bf6 gf6 11.Bc4=) 10.cd5 cd5 11.Nf3 (11.Bf6 gf6 12.Nc3 Bb4=) 11...Be7 12.Be2 (12.Bd4 Qd8=) 12...Bd7 (12...Ba6 13.d3=) 13.0-0 (13.Bd4 Qb4=) 13...0-0 14.Nc3 (14.Bd4 Qb4=) 14...Nc6 15.Qb1 (15.d4 Rb8=) 15...Rb8 (15...Qa5 16.Rc1=+) 16.Qb6= Rb6 17.Rb1 Rb1 18.Nb1 h6 19.Ne5 Ne5 20.Be5 Ne4 21.d4 f6 22.Bc7 Nd6 23.Nc3 g5 24.Bd6 Bd6 25.Bb5 Bb5 26.Nb5 Be7 27.f3 h5 28.e4 de4 29.fe4 f5 30.ef5 ef5 31.Kf2 Kf7 32.d5 Bc5 33.Kf3 Ke7 34.h3 Kd7 35.g4 hg4 36.hg4= fg4 37.Kg3 Bd6 38.Kg4 Bf4 39.Nd4 Kd6 40.Ne6 Bd2 41.Ng5 Bg5 42.Kf5 Kd5 43.Kg6 Bd2 44.Kh5 Ke5 45.Kh4 Kf4 46.Kh3 Kf3 47.Kh2 Be3 48.Kh1 Kg3 ½–½. Seitner,Ralf – Moesl,Sebastian, Mittelfranken–ch U17, 1997.

8.Ba1 Be7 9.Qf3=.

6.a5 Qc5 7.Ba3 Qb5 8.Bb5 cb5 9.Bf8 Rf8+-.

6.Nf3 Bd6 7.a5 Qc7 8.Bf6 gf6 9.Nc3=.

6.Nf3 Bd7 7.Nc3 (7.Bf6 gf6 8.a5 Qd8=) 7...Bb4 (7...Bd6 8.a5 Qc7 9.a6=) 8.Be2 Bc3 9.Bc3 cb5 10.Bd4 Qc7 11.ab5 a6 12.0-0 (12.Be5 Qb6+/-) 12...h6 (12...0-0 13.b6 Qd6 14.Bf6 gf6 15.Qb1+/-) 13.Qb1 (13.Be5 Qc5 14.Bb8 Rb8 15.ba6 ba6+/-) 13...Ne4 (13...0-0 14.b6 Qd8 15.Bc5+=) 14.Rc1 (14.b6 Qd6 15.Bg7 Rh7+-) 14...f6 (14...0-0 15.c4 Qd6 16.d3+-) 15.c4 dc4?? (better is 15...Qd6+/-) 16.Qe4+- e5? (16...f5 17.Qc2 Bb5+-) 17.Rc4 Qd6 (17...Qd8 18.Qb7 ed4 19.Qa8 ab5 20.Rd4+-) 18.Qg6 (18.Qb7 ed4 19.Rd4 ab5 20.Ra8+-) 18...Kf8 (18...Kd8 19.Ne5! Be8+-) 19.Bc5 Qc5 20.Rc5 b6 21.Ne5! Be8 (21...fe5 22.Bh5) 22.Rc8 (22...Ke7 23.Qg7 Ke6 24.Qh8 Bg6 25.Ng6 Ra7 26.Qe8 Re7 27.Qe7 Kf5 28.Nh4 Kg5 29.f4 Kh4 30.Qf6) 1–0. Lauermann,Answarth – Feenstra,Oliver, Kassel op, 1994.

6.Nf3 Be7 7.Be2 Bd7 (7...0-0 8.0-0=) 8.Ne5 (8.Bd4 Qa5=) 8...cb5 9.Nd7 Nbd7 10.ab5 0-0 11.0-0 a6 12.Nc3 ab5 (12...Bd6 13.Ra2=) 13.Nb5 Ra1 (13...Rfc8 14.Ra8 Ra8 15.c4=) 14.Qa1 Qa6 (14...Rc8 15.Bd4 Qd8 16.Rc1=) 15.Nd4 Qa1 (15...Qa8 16.Bb5+=) 16.Ra1+= Ne4 (16...Bd6 17.Ra7+=) 17.d3 Nec5 18.Ra7 b6 (better 18...Nb6!?+=) 19.Nb5+- Bf6 (better 19...Rd8!?+-) 20.d4+- Rd8 (20...g6 21.Ba1+-) 21.dc5 Bb2 (21...bc5 22.Bf6 gf6+-) 22.c6 Nc5 (22...Nb8 23.c7 Rf8 24.Nd6+-) 23.Nd6 (23.c7 Rf8 24.Nd6 Ne4+-) 23...Kf8 (23...Rf8 24.c7+-) 24.c7 (24.c7 Bf6 25.c4+-; 24.Rf7 Kg8 25.c7 Rd6 26.c8Q Kf7 27.Qc7 Rd7 28.Qb6 Be5+-; 24.Nf7?! Rc8 25.Bb5 Ne4+-) 1–0. GuestJLXB – GuestRZPB, freechess.org, 2020.

6.Bf6 gf6 7.a5=.

5.c4 0-0 6.d4 Be7 7.Nd2 cb5 8.ab5 a6 9.c5 b6 10.e3 bc5 11.dc5 Bc5 12.Ngf3 Qb6 13.Bd4 (better is 13.Nb3!?=) 13...Bd4-/+ 14.Nd4 Bb7 15.f3 (15.ba6!? Na6 16.Rb1-/+) 15...d5 16.Be2 e5 17.Nf5 Re8 18.0-0? (18.Qb3 Qe6 19.Ng3 Nbd7-/+) 18...Nbd7 (better is 18...g6 19.Ng3 Qe3 20.Rf2 ab5 21.Ra8 Ba8 22.Bb5 Bc6–+) 19.ba6-/+ Ba6 20.Ba6 Ra6 21.Ra6 Qa6 22.Qb3 Rb8 23.Qc3 Qe2 24.Ne7 Kf8 25.Nc6 Rc8?? 26.Rc1?? Nb6?? 27.Qb4 Kg8+- 28.Nf1 Nc4? 29.Ne7 Kf8 30.Nc8 Ke8 31.Rc4! Kd8 32.Qe7 1–0. chevin – WhiteMamba, Caissa.com, 2004.

5.d4 Bb4 6.c3 Be7 7.bc6 Nc6 8.c4=+.

5.d4 Bb6 6.Nf3 0-0 (6...Ba5 7.Bc3=) 7.e3 d5 8.Bd3 Nbd7 9.Nbd2 (9.0-0 Ba5=) 9...a6 (9...c5 10.Ba3=) 10.c4 (10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5+=) 10...ab5= 11.ab5 Ra1 12.Qa1 cb5 13.c5 (13.cb5 Bc7=) 13...Bc7 14.Bb5 Nb8 15.0-0 Bd7 16.Bd7 (16.Bd3 Nc6+=) 16...Qd7 17.Ne5 Be5 (17...Qc8 18.Rb1+=) 18.de5+= Ne8 19.Bd4 Nc6 (19...f6 20.Rb1+=) 20.Rb1 f6 21.f4 (21.ef6 Nd4 22.ed4 Qf7+=) 21...fe5 22.fe5 Qf7 23.Nf3 Nc7 24.Rf1 Qe8 25.Qb2 Qb8 26.Rb1 Na5 27.Qb6 Nc4 28.Qb7 Qb7 29.Rb7+/- Na6 30.Ng5+- Nd2 31.Nf3?? Ne4 32.c6+/- Rc8 33.Rb6 Nb8 (34.c7 Nd7+/-; 33...Nc7 34.Kf1+/-). bby – move10, Live Game Caissa's Web, 2004.

5.d4 Be7 6.e3 d5 7.Nf3 Bd7 8.Bd3 0-0 9.0-0 c5 (9...a6 10.Ba3=) 10.c4 cd4 11.Bd4 Qc7 (11...dc4 12.Bc4 a6 13.Qd3+=) 12.Nbd2+- 1–0. DEFFM – GuestGRDH, freechess.org, 2019.

5.e3 cb5 6.ab5 b6 7.Ra4 Bb7 8.d4 Be7 9.Nd2 0-0 10.Ngf3 d6 11.Bd3 Nbd7 12.0-0 e5 13.c4 Bf3 14.Qf3 ed4 15.Bd4 Nc5 16.Bc5 dc5 17.Ra3 Nd7 18.Be4 Rb8 19.Ra7 Nf6 20.Rd1 Ne4 21.Ne4 Qe8 22.Rdd7 Ra8 23.g3 Ra7 24.Ra7 Bd8 25.Nd6 Qe6 26.Qd5 Qd5 27.cd5 Bf6 28.Rb7 Rd8 29.Rb6 Be7 30.Nc4 Rd5 31.Rc6 Rd8 32.b6 Rb8 33.Rc7 Bd8 34.Rc5 Be7 35.Rc6 h6 36.Nd6 Bd6 37.Rd6 Rb7 38.e4 Kf8 39.f4 Ke7 40.e5 Rd7 41.Rc6 Rb7 42.Kf2 Kd7 43.Rd6 Kc8 44.Ke3 Rd7 45.Kd4 f6 46.Rd7 1–0. Trkn – Gibbs, itsyourturn.com, 2000.

6.c4 d5 7.Nf3 dc4 8.Bc4 Nd5 9.0-0 cb5 10.ab5 Nd7 (10...Nb6 11.Be2+=) 11.d4 Bd6 12.e4 Ne7 (12...N7b6 13.Bd3 Nf4 14.Ba3+=) 13.e5+/- Bc7 14.Nbd2 Nb6 15.Bb3 (15.Bd3 Nbd5+=) 15...Nbd5 (15...Bd7!?=) 16.Ne4 Nf5 17.g4 (17.Qd3 Nf4 18.Qc4 Bb6+=) 17...Nfe7 18.Nc5 Ng6 19.Qd2 (19.Ba3 a6=) 19...b6 20.Ne4 Bb7 21.Rfe1 (21.Ba3 Re8=) 21...Qd7+= 22.Ba3 Rfe8 23.Nd6 (23.Bd6 A) 23...Qb5?? 24.Ba4 Qc4 25.Rec1 (worse is 25.Be8 Re8 26.Rec1 Qb5 27.Ra7 Bc6+-) 25...Qc1 26.Rc1+-; B) 23...Rec8=) 23...Bd6-/+ 24.ed6 (24.Bd6!? Rec8 25.Rec1-/+) 24...Qb5–+ 25.Bd5?? (25.Bc2 Nf6 26.Bg6 hg6-/+) 25...Bd5 (better is 25...Qd5 26.Kf1 Qf3–+) 26.Ne5-/+ Ne5 (26...Bb7 27.Ng6 hg6–+) 27.Re5? (better is 27.de5!? Qd7 28.Rec1-/+) 27...Qd7 28.Rc1 Rec8 29.Rce1 Rc4 30.Qd3 Rac8 31.Rh5 g6 (better is 31...h6 32.Rh3 b5–+) 32.Rhe5?? (32.Rh3–+) 32...Rc3 33.Qa6 R8c6 (better is 33...Bc4 34.Qc8 Qc8–+) 34.Bb2 (34.R5e3 R3c4–+) 34...Rc2 35.Ba3 (35.Qa1 Qd6 36.g5 Qd8–+) 35...Ra2 (better is 35...R6c3!? 36.Bb4 Rb3 37.Bc5–+) 36.R5e2 (36.Qd3 Rcc2 37.Qg3 Qa4–+) 36...Rcc2 (better is 36...Bc4 37.Qc4 Rc4 38.Ra2 Rd4–+) 37.Rc2 Rc2 38.Bb4 (better is 38.Qd3 Rc4 39.g5–+) 38...Rc4 39.Qa3 a5 40.Bc3 Qc6 (better is 40...Ra4 41.Qc1 Qd6–+) 41.Bd2?? (41.Bb2–+) 41...Rd4 42.Bh6 (42.Bf4 Rf4 43.h3–+) 42...Rg4 43.Kf1 (43.Kf1 Bc4 44.Qd3 Bd3 45.Re2 Qh1). GuestLWKQ – GuestTJFB, freechess.org, 2017.

6.Nf3 a6 7.Nc3 d5 8.Be2 Nbd7 9.0-0 ab5 10.ab5 Ra1 11.Qa1 Qc7 12.h3 Ne5?? 13.Ne5+- Qe5 14.d4 Bd4 15.ed4 Qd4 16.bc6 bc6 17.Na4 Qa7 18.Bd4 Qa5 19.f4 Bd7 20.Nb6 Qd2 21.Rf3 Qe2 22.Bf6 gf6 23.Rg3 (23.Rg3 Qg4 24.Rg4 Kh8 25.Qf6#) 1–0. pierre – rayden, internet, 2008.

6.Nf3 a6 7.Bd3 h6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 Qc7 11.Bf6 gf6 12.Nc3 f5 13.e4 Bd6 14.ef5 Kh8 15.Qa1 f6 16.Ne4 Be7 17.Nh4 Kg7 18.Ng6 d5 19.Nf8 de4 20.Ne6 Be6 21.Be4 Bc4 22.d3 Bb5 23.Qd1 Kh8 24.Qh5 Bf8 25.c4 Ba6 26.Re1 Nd7 27.Bf3 Ne5 28.Bd1 Qg7 29.Re3 Qg5 30.Qe8 Qg7 31.Rg3 Qe7= 32.Qe7 Be7 33.d4 Nd7?? 34.Bb3 Bf8 35.Re3 Kg7 36.h4 c5+= 37.d5 Ne5 38.Re4 b5 39.cb5 Bb5 40.f4 c4 41.Bc2 Nd3 42.Kf1? c3 43.Kg1 Nb4 44.Rb4? Bb4 45.g4 Bc4 46.Kf2 Bd5 47.Ke3 Bc4 48.g5 h5 49.g6? Bc5 50.Kf3 Kf8 51.Kg2 Ke7 52.Kf3 Kd6 53.Ke4 Bb6 54.Kf3 Kc5 55.Kf2 Kb4 56.Ke1 Bb3 57.Be4 (better is 57.Bb3 Kb3 58.g7+-) 0–1. Zbynek,J – Beran,Josef, Schneider Bohemia op–C, 2000.

6.Nf3 d5 7.c4 cb5 8.ab5 Nbd7 9.Nc3 dc4 10.Bc4 Nb6 11.Be2 Nbd5 12.0-0 Nc3 13.dc3 Qd1 14.Rfd1+= b6 15.Ne5+/- Bb7 16.Nd7 Nd7 17.Rd7 Bc8 18.Rc7 Bd6 19.Rca7 Ra7 20.Ra7 h6 21.c4+- Bc5 22.Bd4 Re8 23.Bc5 bc5 24.b6 Rd8 25.b7 Bd7 26.Ra8 (26.Ra8 Rf8 27.Rf8 Kf8 28.b8Q Ke7 29.Qe5+-) 1–0. pierre – wahid, internet, 2010.

6.Nf3 d5 7.c4 Nbd7 8.Be2 a6 9.d4 Bb4 10.Nbd2 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.c5 Nc4 14.0-0 (14.Bc4 dc4 15.Qa4 Nd5=) 14...Nd2 (14...cb5!? 15.Nb1 Qa5-/+) 15.Nd2= cb5 16.Nb3 (16.Bb5? Qa5–+) 16...Bd7 17.Qc2 Ne4 18.f3 Nf6 19.Bc3 Bc3 20.Qc3 Bc6 21.Qb4 The isolani on b5 becomes a target 21...Qd7 22.Rb1 Ra8 23.Na5 Qc7 24.Nb3 Ra4 25.Qc3 Nd7 26.Nd2 Qa5 27.Qa5 Ra5 28.Nb3 Ra2 29.Nc1 Rc2 30.Bf1 f6 31.Nb3 e5 32.Na1 Ra2 33.Nb3 Kf7 34.h4 Ke6 35.Nc1 Rc2 36.Nb3 h6 37.Na1 Ra2 38.Nb3 g5 39.Nc1 Ra3 40.h5? (better is 40.hg5 hg5 41.Kf2-/+) 40...Re3–+ 41.Nd3 ed4 42.Rb4 Ne5 43.Rd4 (43.Nc1 d3 44.Nb3 Nc4–+) 43...Nd3 (better is 43...Rf3 44.Be2 Re3–+) 44.Bd3 (44.Rd3 Rd3 45.Bd3–+) 44...Ke5 45.f4 (45.Rb4 Rd3 46.Kf1 Rc3–+) 45...gf4 (better is 45...Kd4 46.fg5 Kd3 47.gh6–+) 46.Rb4 Rd3 47.Kf2 (47.Rb2 d4 48.Kf1 f3 49.gf3 Rf3 50.Ke1 Re3 51.Kf1 f5–+) 47...Rd2 48.Kg1 d4 49.Kh2 d3 (49...Rg2 50.Kh1 d3 51.Rb3 d2 52.Rb1 f3 53.Ra1 f2 54.Rb1 f5 55.Rf1 f4 56.Rf2 d1Q 57.Rf1 Qf1) 50.Kh3 Rb2! 51.Rb3 Rb3 (51...Rb3 52.Kh2 Rb1 53.Kh3 Rh1 54.Kg4 f5) 0–1. Toll,Anatoly – Kamphorst,Maraani, Dos Hermanas Internet qual–D, 2009.

6.Nf3 d5 7.Be2 a6 8.c4 (8.0-0 Nbd7 9.d4 Be7 10.Ba3 c5 11.c4 b6 12.Nbd2 Bb7; 8.0-0 b6=) 8...ab5 (8...dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5=) 9.ab5 (9.cb5 Bd6=) 9...Ra1+= 10.Ba1 Qa5 (10...Bd6 11.bc6 Nc6 12.cd5 Nd5 13.Nc3=) 11.Bc3 (11.Bf6 gf6 12.bc6 bc6+=) 11...Qd8= 12.d4 Be7 13.c5 (13.bc6 Nc6 14.0-0 dc4 15.Bc4 Qd6=) 13...Ne4 (13...b6 14.bc6 Nc6 15.0-0+=) 14.0-0 (14.Qb3 Nd7=) 14...h5 (14...cb5!? 15.Bb5 b6+=) 15.Qa4 (15.Qb3 Nd7+/-) 15...Bd7 (15...b6 16.bc6 bc5 17.Rc1+=) 16.Ba5 White intends b6 (16.b6 h4+/-) 16...Qc8 (16...Qe8 17.b6+/-) 17.b6 h4 18.Nbd2 (18.Nc3 h3+/-) 18...Nd2 19.Bd2 f5 (19...h3 20.gh3 f6 21.Rc1+/-) 20.Ra1+- Be8 (20...Bf6 21.Ne5+-) 21.Qa8 Bh5 (21...Bf6 22.Ra7 Rf7 23.Ba5+-) 22.Ra7 Na6?? (22...e5 23.Qb7 Qb7 24.Rb7 Bf6 25.de5 Bf3 26.ef6 Be2 27.Rg7 Kh8+-) 23.Qc8 (23.Ba6?! Qa8 24.Ra8 Ra8 25.Bb7 Ra1 26.Ne1 Ra2=) 23...Rc8 24.Ba6 ba6 (24...Rb8 25.Rb7 Rb7 26.Bb7+-) 25.b7 Rb8 (25...Rf8 26.Ne5 Bf6 27.Ra8 Be5 28.Rf8 Kf8 29.de5+-) 26.Ra8 (26.Ra6?! Rb7 27.Rc6 Rb2+/-) 26...Bf3 (26...Kf7 27.Ne5 Kf6 28.Nd7 Kg5 29.Rb8 Bc5 30.Nc5+-) 27.Rb8 Kf7 28.gf3 (28.gf3 f4 29.Ra8 Bg5 30.b8Q Be7 31.Qe8 Kf6 32.Ra7 Kf5 33.Qf7 Kg5 34.Qg7 Kh5 35.ef4 Bc5 36.Qg5) 1–0. GuestTTSD – thyagarajan, freechess.org, 2018.

6.Nf3 d5 7.Be2 Bd6 8.0-0 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 dc4 (11...cb5 12.cb5 Nbd7 13.Nc3=) 12.Nc3 Bd7 (12...Nbd7 13.bc6 bc6 14.Bc4+=) 13.Bc4+= cb5 14.Nb5 Bb5 15.Bb5 Nc6 16.Bc6 (16.Qa4 Qa8+-) 16...bc6+= 17.Qa4 Qc7 18.Bf6 gf6 19.Qg4 Kh8 20.Qh4 Qd8 (20...Kg7 21.g3+=) 21.Ra1 Rg8 (21...Be7 22.g3+-) 22.g3 (22.Ra7 Be7+-) 22...f5 (22...Kg7 23.Ra4+-) 23.Qd4 f6 24.Ra6 e5 25.Qc4 f4 (25...Qd7!?+-) 26.Qc6+- Be7 27.d4 (27.ef4 ef4 28.d4 Qb8+-) 27...fg3 (27...fe3!? 28.fe3 ed4 29.ed4 Qc8+-) 28.hg3 ed4 29.Nd4 Qf8?? (better 29...Qc8+-) 30.Nf5 Ba3 (30...Bd8 31.Ra8 Qe8+-) 31.Ra8 Qf7 (31...Bd6 32.Rf8 Bf8 33.Qf6 Bg7+-) 32.Nh6 Qg6 33.Qf6!! (33.Ra3?! Qh6 34.Kg2 Qg6+-) 33...Qf6 (33...Qf6 34.Rg8 Mate attack) 34.Rg8 1–0. guest308 – guest766, chessclub.com, 2019.

6.Nf3 Ne8 7.d4+= Bb6 (7...Bb4 8.c3 Be7 9.Ba3+=) 8.Bd3 f5 (8...d5 9.0-0+=) 9.0-0 f4 (9...d6 10.c4+=) 10.c4+/- fe3 11.fe3 1–0. DEFFM – GuestBXVV, freechess.org, 2018.

6.Nf3 0-0 7.Be2 a5 8.0-0 Nbd7 9.d4 Bb6 10.Nc3 c5 11.Bd3 c4 12.Be2 Ng4 13.Nd2 f5 14.Bg4 fg4 15.Qg4 Nf6 16.Qh4 Qd6 17.Ba3 Qd8 18.Bf8 Qf8 19.Ne2 Bd8 20.Nf3 Ne4 21.Qf4 Bf6 22.c3 Qe7 23.Rfd1 Bd7 24.Nd2 Bg5 25.Qc7 Nd6 26.Nf3 Bh6 27.Ne5 Rd8 28.Qa5 Nf5 29.Qc7 Kf8 30.Qb7 Nd6 31.Qc7 Ke8 32.b6 Ne4 33.b7 Nf2 34.Kf2 Qh4 35.Ng3 Bg5 36.Nf3 Qh6 37.Ng5 Qg5 38.b8Q Qf6 39.Kg1 1–0. Trkn – Hammock, itsyourturn.com, 2000.

6.Nf3 0-0 7.Be2 cb5 8.ab5 Qb6 9.Bf6+= gf6 10.0-0 e5 11.Nc3 Qe6+= 12.Re1 Kh8 13.Rb1 Be7 14.d3 Rg8 15.Bf1 Bd6 16.e4 d4 17.Nd5 Bd7 18.Nh4 Be8 19.Nf5 Nd7 20.Qf3 Rg6 21.g3 Nc5 22.h4 Bd7? 23.Bh3+- Rc8 24.Kh2?? Bf8+/- 25.b6 a6 26.Nc7 Qc6 27.Nd5 Qe6 28.Nc7 Qc6 29.Nd5 Bf5 30.Bf5+/- Rh6 31.Bc8+- Qc8 32.Nf6 Qe6 33.Nd5 Bg7 34.Rb4 Nd7 35.Rc4 Qe8 36.Rc7 Nf6 37.Rb7 Nd5 38.ed5 Rf6 39.Qf6! Bf6 40.Rb1 Bd8?? 41.Rc7! Kg7 42.d6 Qe6 43.b7 Qd6 44.Rf7!! Kf7 45.b8Q Qb8 46.Rb8 Be7 47.Ra8 a5 48.Ra5 Kf6 49.Ra7 h6 50.Ra6 Kg7 51.Kg2 Bf6 52.Kf3 h5 53.Rf6! Kf6 54.g4 hg4 55.Kg4 Kg6 56.f4 ef4 57.Kf4 Kh5 58.Ke4 Kh4 59.Kd4 Kg5 60.Ke5 Kg6 61.Ke6 Kg7 62.c4 Kf8 63.Kd7 (63.Kd7 Kf7 64.d4+-) 1–0. hsingletary (1750) – dennism (1795), net–chess.com, 2001.

6.Nf3 Qc7 7.g4 Bd6 (better 7...0-0!?=) 8.g5+/- Ng4 (8...Ne4 9.d3 (worse 9.Bg7 Rg8 10.Bb2 Ng5=) 9...Nc5 10.Bg7+/-) 9.Bg7 Rg8 10.Bb2 Nd7 11.d4 (11.Nc3 Nh2 12.Nh2 Bh2+/-) 11...e5 (11...c5 12.h3 Nh2 13.Nh2 Bh2 14.h4+/-) 12.h3 (12.Rg1 Nb6 13.h3 e4 14.hg4 ef3 15.bc6 bc6+/-) 12...Nf2 13.Kf2 e4 14.Rg1 (14.Nfd2!? Rg5 15.c4+/-) 14...ef3+= 15.Nd2 (15.Qf3 Be7+=) 15...Nf8?? (15...Bh2 16.Bd3 Bg1 17.Qg1-/+) 16.e4 (16.Qf3 Bd7+/-) 16...Ng6 (better 16...Bh2!? 17.Qf3 Bg1 18.Kg1 Rg5 19.Kh1 Be6 20.bc6 bc6-/+ (20...Qc6?? 21.Bb5+-)) 17.e5 (17.Qf3 Bh2 18.bc6 Qf4 19.Qf4 Bg1 (19...Nf4?? 20.Rh1+-) 20.Kg1 Nf4 21.ed5 Rg5 22.Kh2 Rd5+/-) 17...Be7 (17...Ne5!? 18.Nf3 Nc4 19.Bc4 dc4 20.bc6 bc6 21.Qe1 Be6=) 18.Nf3+/- c5 19.c4 (19.a5 c4+/-) 19...cd4 (19...Be6 20.cd5 Bd5 21.Qc2+/-) 20.cd5 (20.Qd4?? Bc5 21.Rc1 Bd4 22.Bd4 Bd7-+) 20...Bf5?? (better 20...Ne5 21.Rc1 Qd6 22.Qd4 Nf3 23.Kf3 f6 24.gf6 Rg1 25.Qg1 Qd5 26.Ke2 Qh5 27.Kd2 Bb4 28.Bc3 Qh6 29.Qe3 Qe3 30.Ke3 Bc3 31.Rc3 Kf7+/-) 21.d6+- Bd6 22.ed6 Qd6 23.Qd4 0-0-0 (23...Qd4 24.Bd4 Nf4+-) 24.Qa7 Rge8 (24...Be6+-) 25.Rc1 Kd7 (25...Bc2 26.Rc2 Qc7 27.Rc7 Kc7 28.b6 Kc6 29.Bb5 Kd6 30.Qb7 Re2 31.Be2 Nf4 32.Rd1 Nd3 33.Rd3 Kc5 34.Ba3 Kc4 35.Ne5) 26.Qb7 Ke6 27.Bc4 Qd5 28.Rge1 (28.Bd5 Rd5 29.Qc6 Rd6 30.Rge1 Be4 31.Qe4 Ne5 32.Qe5 Kd7 33.Qe8) 28...Be4 29.Re4 (29.Bd5 Rd5 30.Rc6 Rd6 31.Rd6 Kd6 32.Ba3 Ke6 33.Nd4 Ke5 34.Qe4) 29...Kf5 30.Bd5 Re4 (30...Ne7 31.Rc6 Nd5 32.Qf7 Ke4 33.Qh7 Kf4 34.Rc4 Re4 35.Qe4) 31.Qf7 1-0. Lance5500 (2575) - ncistony13 (1785), lichess.org, 2016.

6.Nf3 Nbd7 7.Be2 e5 (better 7...Bd6!?=) 8.Ne5+/- Ne5 9.Be5 Qe7 10.d4 Bb4 11.c3 Bd6 12.Bd6 Qd6 13.0-0 0-0 14.Qc2 Ne4 (14...Ng4 15.Bg4 Bg4 16.Nd2+/-) 15.Bd3 Qg6? (better 15...Re8+/-) 16.f3+- Bh3 (16...f5 17.fe4 fe4 18.Rf8 Kf8+-) 17.fe4 (17.Be4?! de4 18.fe4 Rfe8+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Nf3 h6 7.Be2 (7.d4 Bb4 8.c3 Bd6=) 7...Bd6 8.0-0 (8.Be5 a6 9.Nc3 0-0=) 8...Nbd7 9.d4 Qc7 (9...0-0 10.c4+=) 10.c4 dc4 11.bc6 Qc6 12.Ne5 (12.Qc2 b6=) 12...Be5 (12...Qc7 13.f4=) 13.de5+= Nd5 14.Qd4 0-0 (14...N5b6 15.Rc1+/-) 15.Bc4 N7b6? Exerts pressure on the isolated pawn (better is 15...Rd8+=) 16.Bb5+- Qc7 17.Rc1 (17.Ba3 a6 18.Rc1 Qd8 19.Bf8 ab5+-) 17...Qb8 (17...Qd8 18.Ba3 a6 19.Bf8 ab5 20.Bd6+-) 18.Ba3 Rd8 (18...Bd7 19.Bf8 Qf8 20.Bd7 Nd7 21.Nc3 Nc3 22.Rc3+- (22.Qd7?! Ne2 23.Kh1 Nc1 24.Rc1 Qb4=; 22.Qc3?! b6+-)) 19.Bd6 (better is 19.a5!? a6 20.ab6 ab5+-) 19...Rd6 20.ed6 Bd7 (20...Qd6 21.a5 Nd7+-) 21.Bd7 Nd7 22.e4 N5f6 (22...Nf4 23.Ra2+-) 23.Rc7 (23.e5 Ne8+-) 23...e5 (23...Ne8 24.Rd7 Qc8 25.Rc7 Nc7 26.dc7 Qc7 27.Nc3+-) 24.Qc4 Qf8 25.Nc3 b6 (25...Nb6 26.Qd3 Ne8 27.Rb7 Nd6 28.Rc7+-) 26.Rd1 Nc5 27.Nd5 Nfe4 (27...Nce4 28.Ne7 Kh7 29.d7 Qe7 30.Rc8 Qd7 31.Rd7 Rc8 32.Qc8 Nd7 33.Qd7+-) 28.Ne7 Kh8 (28...Kh7 29.Qc2 f5+-) 29.d7 Qe7 (29...Nd7 30.Qe4 Nf6 31.Qe5 a6+-) 30.Rc8 Rc8 (30...Kh7 31.d8Q Qd8 32.Rcd8 Rd8 33.Rd8+-) 31.dc8Q (31.dc8B Nd6 32.Qd5 Nc8 33.Qd8 Qd8 34.Rd8 Kh7 35.Rc8 a5–+ (worse is 35...Na4 36.Rc7+=); 31.dc8N?! Qc7 32.f3 Qc8 33.fe4 f6+=; 31.dc8R?! Kh7+-) 31...Kh7 32.Qf5 g6 (32...Kh8 33.Qcf7 Qf7 34.Qf7 Nc3 35.Rd8 Kh7 36.Qf5 g6 37.Qf7) 33.Qcf7 Qf7 1–0. GuestRZBT – GuestMBRY, freechess.org, 2018.

5.c4 Bb4 6.Qb3 Bd6 7.e3 Nbd7 8.d4 dc4 (8...c5 9.Nf3=+) 9.Bc4= c5 10.Nf3 0-0 11.0-0 cd4 12.ed4 Nb6 13.Bd3 Qe7 14.Nbd2 Nbd5 15.Nc4 Bc7? (15...Rd8 16.Nd6 Qd6 17.Ne5+=) 16.g3?? (16.Ba3 Qd8 17.Bf8 Qf8+-) 16...b6 (16...Rd8 17.Ba3 Qe8 18.Rfc1+=) 17.Rfe1 (17.Ba3 Qd8 18.Bf8 Qf8+-) 17...Bb7 (17...Qd8 18.Ba3 Ne7 19.Ng5+=) 18.Rac1 (18.Ba3 Qd8 19.Bf8 Qf8+/-) 18...Rac8? (18...Rfc8 19.Ba3 Qd8 20.Nce5=) 19.Nce5?? (better 19.Ba3 Qd8 20.Bf8 Qf8 21.Nce5+-) 19...Bb8 (19...Qb4 20.Qa2 Bd6 21.Nc6 Bc6 22.Rc6 Rc6 23.bc6=) 20.Nc4 (better 20.Rc8 Rc8 21.Ng5=) 20...Nb4?? (better 20...Qb4 21.Qa3 Rfd8=) 21.Ba3+- a5? (better 21...Bf3 22.Bb4 Qb7 23.Bf8 Rf8+-) 22.ba6 Bf3 23.Bb4 (23.Qb4?! Qb4 24.Bb4 Rfd8 25.Nb6 Rc7+-) 23...Qd7 (23...Qa7 24.Bf8 Rf8 25.Nb6+-) 24.Bf8 (better 24.Nb6 Rc1 25.Rc1 Qd4 26.Bf8 Kf8+-) 24...Rf8 25.Ne5 (25.Qb6?! Ba7 26.Qd6 Qa4+-) 25...Qd5 (25...Be5 26.de5 (26.Re5?! Qd4 27.Qc3 Qg4+-) 26...Ng4 27.Bh7 Kh7 28.Qf3+-) 26.Qd5 (better 26.Bc4 Qd4 27.Nf3 Qd6+-) 26...Bd5 (26...ed5?? 27.Nf3 Rd8 28.Rc6+-) 27.Rb1 Ba7 28.Rec1 Ra8 (28...Rd8 29.Nc6 Bc6 30.Rc6+-) 29.Nc6 (29.Rc7!? Ne4+-) 29...Bc6 (29...Kf8 30.h4+-) 30.Rc6 Kf8 31.Rc7 (better 31.Rbc1 Bb8 32.Rc8 Ke7 33.R1c7 Bc7 34.Ra8 b5+-) 31...Nd5 32.Rb7 Nc3 (32...g6 33.Rc1 b5 34.ab5 Bd4 35.Rc4+-) 33.Rb3 (33.Rc1 Nd5 34.Be4 b5 35.Bd5 ed5 36.ab5 Bd4+-) 33...Na4 (33...Nd5 34.Be4 Nf6 35.Bc6+-) 34.Bb5 1-0. ClayPigeons (2180) - Art_Vandelay (2165), Rated Bullet game, lichess.org, 2019.

5.c4 cb5 6.ab5 dc4 7.e3 Be7 8.Bc4 0-0 9.Qb3 b6 10.Nf3 Bb7 11.d4 Nbd7 (11...a6 12.ba6 Na6 13.Nbd2=) 12.Nbd2+= Rc8 (better 12...Ne4+=) 13.0-0-0?? (better 13.Ra7!? Rc7 14.0-0+/-) 13...Rc4?? (better 13...a6 14.ba6 Ba6-+) 14.Nc4 (better 14.Qc4 Qa8 15.Qa4=) 14...Qc7 15.Kd2 Rc8?? (15...Bd5 16.Rc1 Ne4 17.Ke1-+) 16.Ra1?? (better 16.Ba3+=) 16...Qc4 (16...Bd5 17.Rhc1 Bc4 18.Qa4-+) 17.Qc4-/+ Rc4 18.Ra7 (better 18.Rhc1 Bb4 19.Kd1 Rc1 20.Bc1-/+) 18...Bf3 (better 18...Bb4 19.Kd3 Rc7 20.Rb7 Rb7-+) 19.gf3= h6 20.Kd3 (20.e4 Rb4 21.Bc3 Rb5=+) 20...Rb4=+ 21.Ba3?? (better 21.Kc2 Rb5 22.e4-/+) 21...Rb3-+ 22.Kc2 Ra3 23.Rc7 (23.Ra3 Ba3 24.Ra1 Bd6-+) 23...Bf8 (23...Ra2!? 24.Kd3-+) 24.Rb1 Ra5 25.f4 Nb8 26.Rc8 Nbd7 27.Kd3?? (27.Rc7 Bd6 28.Rc6-+) 27...Nd5 (27...Ng4 28.Rb2 Nh2 29.Ke2-+) 28.Ke2 (28.Rb2 Kh7-+) 28...N7f6 (28...Nc5 29.Kf3 Nb7 30.Rbc1-+) 29.Rbc1 (29.Kf3 g5 30.fg5 hg5-+) 29...Rb5 30.Rb8 Rb2 31.Kf3 b5 32.Rcc8 Nd7 (better 32...Nh7 33.Rd8-+) 33.Rb7 N5f6 34.e4 Rb3 35.Kg2 (35.Ke2 b4-+) 35...Kh7 (better 35...Nh5!? 36.Kf1 Nf4 37.Ke1-+) 36.e5 (36.Kf1 Bb4-+) 36...Nd5 37.Rd7 (37.h4 Nf4 38.Kg1 Bc5 39.Rc5 Nc5 40.dc5 Nd3-+) 37...Bb4 (37...Nf4 38.Kf1 Rb1 39.Rc1 Rc1) 38.Rf7 (38.Rd5 ed5 39.Rd8-+) 38...Be1 (better 38...Kg6!? 39.Rcc7 Nc7 40.Rc7-+) 39.Rd8 Rb2 40.Rdd7 Rf2 41.Kg1 Rf4?? (better 41...Kg6 42.Rg7 Kf5-+) 42.Rg7=+ Kh8 43.Rg6 (better 43.Rh7 Kg8 44.Rdg7 Kf8 45.Rb7 Bf2 46.Kh1=) 43...Rf8?? (better 43...Bf2 44.Kh1 Rd4=+) 44.Rh6 Kg8 45.Rg6 Kh8 46.Rh6 Kg8 47.Rg6 Kh8 48.Rh6 ½-½. ClayPigeons (2135) - amnamn (2155), Rated Bullet game, lichess.org, 2021.

5.c4 Bd6 6.e3 0-0 7.Nf3 a6 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Nbd7 (10...e5 11.d4 e4 12.Nd2=) 11.d4= Qe7 (11...c5 12.dc5 Nc5 13.cd5 ed5 14.Be2=) 12.Be2 (12.c5 Bc7+=) 12...e5 (better is 12...dc4 13.Bc4 e5=) 13.de5 Ne5 14.cd5 (14.Ne5 Be5 15.Nd5 cd5 16.Be5 dc4 17.Bf6 (17.Bc4? Qb4 18.Bc3 Qc4–+) 17...gf6 18.0-0+/-) 14...cd5+= 15.0-0 (15.Nd5 Nd5 16.Ne5 Bb4 17.Kf1 f6+=) 15...Bg4= 16.Ne5 (16.Nd4 Rc8=) 16...Qe5+= (worse is 16...Be5 17.Nd5 Nd5 18.Bg4 Bb2 19.Qb2+/-) 17.g3 Qh5 18.Nd5?? (better is 18.Bg4 Ng4 19.h4=) 18...Be2–+ (18...Qd5?! 19.Rd1 Qe6 20.Bg4 Ng4 21.Bg7–+; 18...Nd5?! 19.Bg4 Qg4 20.Rd1-/+) 19.Nf6 gf6 20.Bf6 Bf3 (20...Qh3 21.f4 Bc5 22.Bd4 Bd4 23.ed4 Bf1 24.Qf1 Qf1 25.Kf1–+) 21.Bh4 Qf5 (better is 21...Be5 22.Qa3 Qg4–+) 22.Qf6 Qf6 23.Bf6 Rc8 24.Bd4 f5 25.Ra1 Kf7 26.Kf1 Rc2 27.Rb1 (27.b6 Ba3–+) 27...Ke6 (27...Be2 28.Kg1–+) 28.Re1 (28.b6 Kd5–+) 28...Bb4 (28...Bc5 29.Bc5 Rc5 30.Rb1–+) 29.Rb1 Kd5 30.b6 Kc4 (30...Bc5 31.Bc5 Kc5 32.h4–+) 31.Be5 (31.h3–+) 31...Kd5 32.Bf6?? (32.Bd4 Bc5 33.Bc5 Kc5 34.h3–+) 32...Ke6 (32...Bc5!? 33.Bd8–+) 33.Bd4 Kf7 34.h4 Kg6 0–1. GuestLFCZ – GuestNCPL, freechess.org, 2017.

5.c4 Nbd7 6.cd5 cd5 (6...ed5 7.e3+=) 7.e3 Bb4 8.Nf3 0-0 9.Qb3 Qa5 10.Be2 Nc5 11.Qc2 (11.Qd1 Bd7=) 11...Bd7+= 12.0-0 Nfe4?? (12...Rfc8 13.Qd1+=) 13.d3?? (better is 13.d4+-) 13...Nd6= 14.Nbd2 Rac8 15.Nb3 Nb3 16.Qb3 f6 17.Nd4 (17.Rab1 Bc3+=) 17...Bc3= 18.Rfc1 Bb2 19.Qb2 Kf7 (19...e5 20.Rc8 Nc8 21.Nb3=) 20.Bg4+= Rc1 21.Qc1 Rc8 22.Qb2 Qc3 23.Qc3 (better is 23.Qb1!?=) 23...Rc3+= 24.Be2 e5 25.Nf3 Rc2 26.Kf1 Ke7 27.Ne1 Rc3 28.Nf3 g5 29.Ke1 Nc8 (29...g4 30.Nh4+=) 30.Kd2 Rc7 31.h4 h6 (31...g4 32.Nh2 h5 33.f3=) 32.h5 Nb6 33.Nh2 f5 (33...a5 34.ba6 ba6 35.a5=) 34.g4 (34.Nf3 e4 35.a5 ef3 36.ab6 ab6 37.Bf3 Rc5=) 34...f4 35.ef4 ef4 36.Bf3 Kd6 37.Nf1 (37.Be2 Nc8=) 37...Rc5+= 38.d4? (better is 38.Kd1!?+=) 38...Rc4–+ 39.Bd1 (39.a5 Rd4 40.Kc3 Rc4 41.Kb3 Na8–+) 39...Rd4 40.Kc3 Rc4 41.Kd3 (41.Kb2 Rc8 42.Nd2 a5–+) 41...Nc8 (41...Na4 42.Ra4 Bb5 43.Ra5 Rc5 44.Rb5 Rb5 45.Nd2–+) 42.Bb3 (42.Nd2 Rc7-/+) 42...Rb4 (42...Rc5 43.f3–+) 43.Nd2 (43.Kc3 Kc5 44.Nd2 Be6-/+) 43...a5 (better is 43...f3 44.Bd1 Bg4 45.Bf3 Bf5 46.Ke3 Nb6–+) 44.Rc1? (better is 44.f3–+) 44...Nb6 45.Re1 (45.f3 Na4 46.Ba4 Ra4–+) 45...Bg4 (45...Na4 46.Ba4 Ra4 47.Kc3–+) 46.Re8 Bh5 47.Rd8 (47.Rh8 Bg4–+) 47...Kc7 (47...Kc7 48.Rh8 Bg4–+) 0–1. GuestMKNW – GuestJKKF, freechess.org, 2017.

5.bc6 Nc6 6.e3 Bd6 7.Nf3 0-0 8.c4 e5 9.Be2 (9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 e4+=) 9...e4 10.Nd4 Ne5 11.Qb3 (11.Na3!?-/+) 11...dc4–+ 12.Bc4 a6 13.Nc3 Qc7 14.Be2 Bg4 15.Nd5 (15.f3 ef3 16.gf3 Bh3=) 15...Nd5+= 16.Qd5 Be2 17.Ke2 Qc4 (17...Nd3!? 18.Nf5 Nb2-/+) 18.Qc4+= Nc4 19.Bc3 g6 20.d3 ed3 21.Kd3 Rac8 22.Rab1 Ne5 23.Kd2 Rc7 24.Bb4 Rfc8 25.Bd6 Nc4 26.Ke2 Nd6 27.Rb6 Ne4 28.a5 Kf8 29.Kf3 (29.Ra1!?=) 29...Nd2-/+ 30.Ke2 Nc4 31.Rb4 Na5 32.Rhb1 b5 33.R4b2 Nc6 34.Ra1 Nd4 35.ed4 Rc2 36.Rc2 Rc2 37.Ke3 Rc6 38.Ke4 Ke7 39.g4 Kd6 40.f4? (better is 40.Ra3–+) 40...b4 41.Ra4 (41.Rb1 Rb6 42.Kd3–+) 41...Rb6 0–1. Kutalkova,Sarka – Olsar,Z (1945), Karvina Open, 2015.

5.e3 Qa5 6.Be2 Bd7 7.f4 Be7 (7...Ne4 8.Nf3=) 8.Nf3 0-0 9.0-0 Nh5 (9...a6 10.Ne5=) 10.Nd4 (10.Bc3 Qd8=) 10...Nf6= 11.bc6 (11.Nb3 Qd8=) 11...Nc6 12.Nb3 Qb6 (12...Qc7 13.Nc3=) 13.Rf3 White prepares a5 (13.a5 Qc7=) 13...Nh5 (better is 13...Ne4!?=) 14.Bd3 f5 15.a5 Qc7 16.Nc3 (16.a6 ba6 17.Na3 Bc8=) 16...a6 17.Ne2 (17.Ba3 Ba3 18.Ra3 Nf6=) 17...Rf7 (17...e5 18.fe5 Ne5 19.Rh3=) 18.Ned4 Nb4 (18...Rc8 19.Nc6 Bc6 20.Be5=) 19.Rh3 (better is 19.Be2+=) 19...Nd3? (better is 19...Nf6=) 20.Qh5+- (20.cd3?! Nf6=) 20...g6 21.Ne6 Be6 (21...gh5?? 22.Rg3 (22.Nc7?! Rc8 23.cd3 Rc7+-) 22...Rg7 23.Rg7 Kh8 24.Re7 Nb2 25.Nc7+-) 22.Qg6 (22.Qg6 Kf8 23.cd3+- (23.Qe6 Qc2 24.Bd4 Qb3=)) 1–0. pcmvr (1700) – nay (2190), net–chess.com, 2006.

5.e3 a6 6.Nf3 ab5 7.ab5 Ra1 8.Ba1 c5 9.c4 b6 10.d4 Bb7 11.Nbd2 (11.cd5 Bd5 12.Be2 cd4 13.Qd4 Bc5=) 11...Nbd7 12.Bd3 Be7 (12...dc4 13.Bc4 Bd6 14.0-0=) 13.0-0 0-0 14.Bb2 (14.cd5 Nd5 15.Qc2 f5=) 14...dc4 (14...cd4 15.Bd4 Qc7 16.cd5=) 15.Nc4 Nd5 (15...cd4 16.Bd4 Qc7 17.Nfe5=) 16.Qe2 (16.Nfe5 Ne5 17.Ne5 Nb4+=) 16...N7f6 (16...cd4 17.Nd4 Nc5 18.Ra1=) 17.Ra1 (17.Rd1 Qc7+=) 17...Qc7 (17...Nb4 18.Bb1+=) 18.Nfe5 (18.dc5 Bc5 19.Nfd2 Rd8+=) 18...h6 (18...Rd8 19.dc5 Bc5 20.Ra7=) 19.Ra7 (19.dc5 Bc5 20.Ng4 Ng4 21.Qg4 f5+=) 19...Ra8 20.Ra8 Ba8 21.dc5 Bc5 22.Qf3 Bb7 23.e4 (23.Ng4 Ne8 24.Qe4 Ndf6 25.Nf6 Nf6=) 23...Nb4= 24.Bb1 Qd8 25.Bc3 (25.h3 Bd4 26.Qe2 Bc5=) 25...Qc7 (25...Qa8 26.Ng4 Ne4 27.Be4 Be4 28.Qg3+-) 26.Qe2+= Nd7 (26...Be7 27.Qe3=) 27.Nd7+- Qd7 28.Nb6! Bb6 29.Bb4 Qd4 30.Bd2 Qa1 31.Qe1 (31.Qd3 Qb2+=) 31...Bd4 (31...Qe5 32.Bd3+=) 32.g3 (32.Bc2 Qa2 33.Bd3 Qa3+-) 32...Qb2 (32...e5 33.Bd3+-) 33.Bd3 Qb3 34.Qb1 (34.Qe2 Qb2+-) 34...Qa4 (34...Qa3 35.Be3 Be3 36.fe3+-) 35.Qc2 (35.b6 Qc6 36.Be3 Be3 37.fe3 Qc3+=) 35...Qa7 (35...Qa3 36.Be3 Be3 37.fe3+-) 36.Bc3 Bf2?? (better 36...Bb6+-) 37.Qf2+- Qa1 (37...Qa4 38.Qd4 Qd4 39.Bd4 f6+-) 38.Ba1 (38.Ba1 Bc8 39.Qc5 f6 40.Qc8 Kf7 41.Qd7 Kg6 42.e5 f5 43.Qe6 Kh7 44.Bf5 g6 45.Qg6 Kh8 46.e6) 1–0. GuestTKHB – PaulFang, freechess.org, 2020.

5.Nf3 Bb4 6.e3 h6 7.Be2 Ba5 8.0-0 Bd7 9.c4 Bb6 10.Qc2 cb5 11.ab5 Qe7 12.Ne5 0-0 13.Nd7 (better is 13.Ba3!? Bc5 14.Bc5 Qc5 15.d4+-) 13...Nbd7+/- 14.Ba3 Bc5 15.Bc5 Nc5 16.d4 Nce4 17.c5 Rfc8 18.Nd2 Nc5? (better is 18...Nd2 19.Qd2 b6+=) 19.dc5+- Rc5 20.Qb3 b6 21.Nf3 Rac8 22.Nd4 Rc3 23.Qb2 R3c7 24.Nc6 Qd6 25.Rfc1 (25.Na7 Rf8+-) 25...Ne4 26.Ra7 Nc5 27.Rc7 Rc7 28.Ra1 Rc8 29.Na7 Ra8 30.Nc6?? (30.f3 Qd8+-) 30...Rc8 31.Ra7 f6 (31...Rc7+-) 32.Ne7 Kh8 33.Nc8 Qd8 34.Qa3 e5 (34...Kh7 35.Ra8 Qc7+-) 35.Ra8 (35.Ne7 Kh7 36.Bh5 Qe7 37.Re7 Ne6 38.Qd3 e4 39.Qd5 Nc7 40.Qf5 Kg8 41.Rc7 Kf8 42.Qc8) 35...Kh7 36.Qa7 (better is 36.Bg4 Qc7 37.Bf5 g6+-) 36...Qe8 (36...Qd7 37.Nb6 Qa7 38.Ra7+-) 37.Nb6 (37.Ne7 e4 38.Re8 Ne6 39.Bh5 Nf8 40.Rf8 d4 41.Bg6) 37...Qg6 38.Nd7 (better is 38.Nd5 Qb1 39.Bf1+-) 38...Ne4 39.Qb7 (39.Nf8 Kg8 40.Ng6 Kh7 41.Nf8 Kg8 42.Ne6 Kh7 43.Qg7) 39...Qf5 40.Qd5 Qf2 41.Kh1 Qe1 42.Bf1 Qf1 0–1. OPA – palma23, Live Game Caissa's Web, 2004.

5.Nf3 cb5 6.ab5 Bd7 7.e3 Qb6 8.c4 (8.Bd4 Bc5=) 8...dc4 9.Nc3 (9.Bc4 Bb5 10.Qb3 Ba6 11.Qb6 ab6=) 9...Nd5 (9...Bb5 10.Nb5 Qb5 11.Qc1+=) 10.Nd4 (better is 10.Bc4 Nc3 11.Bc3+=) 10...Nc3-/+ 11.Bc3 Bc5 (better is 11...e5 12.Nf3 e4+=) 12.Bc4+= 0-0 13.0-0 e5 14.Nb3 Bb5? (better is 14...Qc7+=) 15.Bb5+- Qb5 16.Be5?? (better is 16.Ra5 Qb6 17.Rc5+-) 16...Nd7 (16...Be7 17.Bd4+=) 17.Nd4 Bd4 18.Bd4 a6 (18...Rfc8 19.Ra7 (worse is 19.Ba7 b6=) 19...Ra7 20.Qg4+=) 19.Rb1 (19.Qf3+=) 19...Qg5 (19...Qd5+=) 20.g3 (better is 20.Rb7!? Rfd8 21.Qf3+/-) 20...b5= 21.Ra1 (21.f4 Qg6=) 21...Ne5?? (better is 21...a5+=) 22.f4+- (22.f4 Qg4 23.fe5 Qd1 24.Rfd1+-) 1–0. TONDA – Taiko, Live Game Caissa's Web, 2006.

5.Nf3 Bd6 6.e3 (--> 5.e3 Bd6 6.Nf3).

5.Nf3 Nbd7 6.e3 c5 (6...Bd6 7.Be2+=) 7.c4 (7.Be2 Bd6=) 7...Nb6 (7...Bd6 8.Be2=) 8.cd5 (8.d3 Bd6=) 8...Nbd5 9.Bc4 (9.d4 cd4 10.Bd4 Bb4 11.Nbd2 Nc3+=) 9...Be7 (9...Bd6 10.d4=) 10.0-0 0-0 11.d4 cd4 (11...Qd6 12.Nbd2 cd4 13.e4+=) 12.Qd4+= b6 (12...Nb4 13.Rc1=) 13.Nbd2 (13.Rd1 Bb7+=) 13...Bc5 (13...Bb7 14.Rfd1+=) 14.Qd3 (14.Qh4 Bb7+=) 14...Bb7 15.Rac1 (15.Rad1 Rc8+=) 15...Nb4 (15...Qe7 16.Bd4=) 16.Qb3 (16.Qb1 Bd6+=) 16...Rc8 17.Rfd1 Nbd5 (17...Qe7 18.Bd4=) 18.Ng5 (18.e4 Nb4+=) 18...h6 (18...Ng4 19.Nge4 Nde3 20.Be6 (20.Nc5?? Qh4 21.Qe3 Qh2 22.Kf1 Ne3 23.fe3 Rc5–+) 20...Nd1 21.Bc8 Ngf2 22.Rc5 Be4 23.Ne4 bc5 24.Nf2 Nb2 25.Qb2–+) 19.Nge4+= Ne4 (19...Nd7 20.Nf3+=) 20.Ne4+/- Qh4 21.Nc5 bc5 22.Qd3 (22.a5 Qg5 23.Rd2 Rfd8+/-) 22...Qg4 (22...Nb6 23.Qe2=) 23.h3 (worse is 23.Bd5 Bd5 (23...ed5 24.f3 Qe6 25.Qc3+/-) 24.Qf1 Qa4+=) 23...Qg5 24.Qe4 Ba8 25.h4 (better is 25.Bd3 g6 26.h4+=) 25...Qe7?? (better is 25...Qh5 26.Bd3 Nf6+/-) 26.Bd5+- Bd5 27.Rd5 1–0. Wall,Bill – Fifa,Brian, internet, 2006.

5.Nf3 Be7 6.e3 (--> 5.e3 Be7 6.Nf3).

5.Nf3 g6 6.e3= Bg7 7.d4 0-0 8.Nbd2 a6 9.c4 ab5 10.cb5 cb5 11.Bb5 Bd7 12.Bd7 Qd7 13.Ne5 Qc7 14.0-0 Nc6 15.Nef3 Rfc8 16.Ba3 Na5 17.Bb4 Nc4 18.Nc4 Qc4 19.Ne5?? (better 19.Rb1=) 19...Qb4-+ 20.f3 Qe7 21.Qb3 Rc7 22.Rfb1 Nd7 23.Nd3 Rac8 24.f4 Nf6 25.a5 (25.Qd1 Ne4 26.Rc1 Nc3-+) 25...Ne4 (25...Ng4 26.Nf2 Rc3 27.Ng4 Rb3 28.Rb3-+) 26.h3 (26.Qb2-+) 26...Nd2 27.Qb4 Nb1 28.Rb1 Qb4 29.Rb4 Ra8 30.Rb5 Bf8 (30...Rc3 31.Ne5-+) 31.Ne5 Bd6 (31...Ra7 32.g4-+) 32.Nd3 (32.Ng4 h5 33.Ne5 Ra7-+) 32...Rc3 33.Nb4 (33.Ne5 Re3 34.Rb6 Be5 35.fe5 Ra5 36.Rb7 Ra4-+) 33…Rb3 0-1. alessandrocarvalhaes (1865) - Gerrit_Kassel (2105), lichess.org, 2020.

6.a4 Bd7 7.c4 dc4 8.Bc4 Be7 9.Nf3 0-0 10.Qb3 cb5 11.ab5 b6 12.Nc3 Bc8 13.0-0 Bb7 14.d4 Nbd7 (14...Bf3 15.gf3 Bb4 16.d5=) 15.Ne5 (15.Be2 Nd5=) 15...Rc8 (15...Ne5 16.de5 Nd7 17.Rfd1=) 16.Be6=+ fe6 17.Qe6 Kh8 18.Nf7?? (better 18.Nc6 Bc6 19.bc6-/+) 18...Rf7!-+ 19.Qf7 Rc3! 20.Bc3 Bd5 21.Qe7 Qe7 22.Rfc1 (22.Rfe1 Bg2! 23.Kg2 Qe4 24.f3 Qc2 25.Kg3 Qc3-+) 22...Ne4 (22...Qe4!? 23.f3 Qe3 24.Kh1-+) 23.Be1 (23.Bb2 Nd6 24.Rc3 Nc4-+) 23...h6 (better 23...Nd6!? 24.Rc3 Qg5 25.f3 Bf3 26.Bg3-+) 24.f3 Nef6 (24...Qg5 25.Ra3 Nd6 26.Bg3 Nb5 27.Rd3-+) 25.Bf2 (25.Bd2 Qe6-+) 25...Qd6 (25...Qb4 26.e4 Bb3 27.Rc8 Kh7 28.Re1-+) 26.e4 (26.Rcb1 Bc4 27.e4 Ne8-+) 26...Bf7 (better 26...Ne4!? 27.fe4 Be4 28.Re1-+) 27.e5 Qb4 28.ef6 Nf6 29.Rab1 Qa4 30.Rc8 (30.Rc6 Bg6 31.Rbc1 Qb5-+) 30...Kh7 31.Rc6 Nd5 32.Rd6 Bg8 (32...Bg6 33.Re1 Qb5 34.h4-+) 33.Re1 (33.Rc6 Qa2 34.Re1 Qb2-+) 33...Qb5 34.Re5 (34.Rd8-+) 34...Nc3 (34...a4!? 35.Rd8 a3 36.Re1-+) 35.h3?? (better 35.Rb5 Nb5 36.Rb6+-) 35...Qb1 36.Kh2 Nd1 (better 36...a4!? 37.Re7 Nd5 38.Ra7-+) 37.Bg3 b5?? (better 37...Qb3 38.Rd7 Be6-+) 38.Re7= Qg6?? (38...Qa2 39.Bf4 Bf7 40.Rdd7=) 39.Rdd7 (better 39.Rg6 Kg6 40.Be5+-) 39...Ne3 (better 39...Be6 40.Rd6 Ne3 41.Rde6 Nf1 42.Kg1 Qg3 43.Kf1 b4=) 40.h4?? (40.Re3 Bc4 41.Be5+-) 40...b4 (40...Nf1 41.Kg1 Ng3 42.Rg7 Qg7 43.Rg7 Kg7 44.Kf2-+) 41.f4?? (better 41.Re3 b3 42.Ree7=) 41...a4 (41...Nf1 42.Kg1 Ng3 43.Ra7-+) 42.f5?? (better 42.Re3 b3 43.f5 Qf5 44.Ree7-+) 42...Nf5-+ 43.Rf7 (43.Be5-+) 43...Qg3 44.Kh1 Qg6 (44...Bf7 45.Rc7 Ne3 46.Rc2 Ng4 47.Kg1 Qe1) 45.Kh2 Qg3 46.Kh1 Qh4 (46...Bf7 47.Rc7 Ne3 48.Rc2 Ng4 49.Kg1 Qe1) 47.Kg1-+ Qg4 (47...Bf7 48.Rf7 Qd4 49.Kh2 Qf4 50.Kg1 b3 51.Rf5 Qf5 52.Kh2 Qe5 53.Kh3 Qe3 54.g3 b2 55.Kg4 b1Q 56.Kh3 Qf1 57.Kg4 Qg5) 48.Kf1 Qg5 49.Kg1 Qg6 (49...Bf7 50.Rf7 Qe3 51.Kh1 Ng3 52.Kh2 Ne2 53.Rf3 Qg1 54.Kh3 Kg6 55.Rg3 Kh5 56.Rg5 Kg5 57.d5 Qh1) 50.Kh1 Ne3 (50...Bf7 51.Re7 Bd5 52.Re2 Qh5 53.Kg1 Qe2 54.g3 Qg2) 51.Kg1 Ng2 (51...Ng2 52.Rg7 Qg7 53.Rg7 Kg7-+; 51...Qg2) 0-1. RomanNeverGM (2220) - ClayPigeons (2145), Rated Bullet game, lichess.org, 2020.

6.a4 Nbd7 7.Nf3 Bd6 8.d4 0-0 9.Be2 Re8 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5 14.c4 Bf5 15.Nc3 Ne4 16.Ne4 Be4 17.cd5 (17.Qd4 Qe7=) 17...Bd5 (worse 17...cd5 18.Qd4 Qd6 19.Rac1=) 18.Qd4 Rg5 (18...Qg5 19.g3 Re4 20.Qc3=) 19.f3 Qe7 20.Rad1 (20.e4 Be6=) 20...Re8 (20...Re5 21.Bd3=+) 21.e4= Bb3 22.Rd3 c5 23.Qa1 (better 23.Qd7!? Qd7 24.Rd7+=) 23...c4=+ 24.Rd2? (24.Rd4 Qc5 25.Kh1 Ba4=) 24...Qc5 (better 24...Rg2! 25.Kg2 Qg5 26.Kh1 Qd2-+) 25.Kh1-/+ Qe3 (better 25...Rg2 26.Qc3 Rf2-/+) 26.Qb2?? (better 26.Qc1 Rge5 27.Rb2=) 26...c3-+ 27.Qb3 Qd2 28.Bc4 (28.Qc4 b6 29.Rd1-+) 28…Qg2 0-1. muhammadaudii (2100) - haidarjumaa (2200), lichess.org, 2020.

6.a4 Nbd7 7.Nf3 Bd6 8.Be2 0-0 9.0-0 e5 10.d3 Qe7 11.Nbd2 h6 12.c4 Re8 13.Qc2 e4 14.de4 de4 15.Nd4 Ne5 (better is 15...Qe5 16.g3 c5=) 16.Ne4+/- Ne4 17.Qe4 Ng4 (17...Qd7 18.Qh4+/-) 18.Qe7+- Re7 19.bc6 Bh2 20.Kh1 Be5 21.cb7 Rb7 22.Bf3 (22.Bc3!?+-) 22...Rb2+/- 23.Ba8 Nf2 24.Kg1 Nd3 (better is 24...Ng4!? 25.Nc6 Be6+/-) 25.Bd5+- Be6?? (better is 25...Bb7+-) 26.Ne6 (26.Be6?! fe6 27.Ne6 Re2+-) 26...fe6 27.Be6 Kh7 28.Rad1 (better is 28.Bf5 g6 29.Bd3 Rb3+-) 28...Nb4 29.Bf5 g6 (29...Kg8 30.Rd8 Kf7+-) 30.Rd7 Bg7 31.Rg7! Kg7 32.Be4 (32.Be6!?+/-) 32...Re2+= 33.Rd1 (33.Bd5!? Nd5 34.cd5 Re3 35.Rd1=) 33...Re3= 34.Rd7 Kf6 35.Bd5 Nd5 (35...Ra3!?+=) 36.Rd5= (worse is 36.cd5 Re4-/+) 36...Rc3 37.c5 (37.Ra5 Rc4 38.Ra6 Kf5+=) 37...Rc4 38.c6. Onkel_Luis – capatampa, ICC, 2003.

6.c4 Bb4 7.Nc3 Nbd7 (7...e5 8.cd5 cd5 9.Nf3=) 8.d4 (8.Nf3 0-0=) 8...Ne4 (8...0-0 9.Nf3=) 9.Qc2 (9.Rc1 cb5 10.cb5 Nb6=) 9...cb5 10.cb5 (10.ab5 a4 11.Kd1 Nc3 12.Bc3 Bc3 13.Qc3 dc4+=) 10...Qc7 11.Nge2 Nb6 12.f3 Nd6 13.Kf2 (13.Rc1 Ndc4 14.Kf2 Qe7+=) 13...Nbc4 (13...Ndc4 14.e4+=) 14.Na2 Bd2 (14...Nf5 15.Bc1=) 15.Bc1 Bc1 16.Rc1 Qe7 17.Ng3 (17.Nf4 Bd7=) 17...Bd7 18.Bd3 Rc8 19.Qb3 (19.Nc3 Qh4=) 19...h5 (19...0-0 20.Rhe1+=) 20.h3 (20.Nc3 h4 21.Nge2 h3=) 20...Qg5 Do you see the mate threat? 21.Rhe1 f5 (21...0-0 22.f4 Qh4 23.Nc3–+) 22.Nf1 (22.Nc3 Ne3 23.Re3 f4+=) 22...Qh4 23.Kg1 g5 (better is 23...0-0+=) 24.e4 (24.g3!? Qh3 25.Rc2+=) 24...fe4 (24...g4 25.ed5 gf3–+) 25.fe4= 0-0 (25...de4 26.Bc4 Rc4 27.g3 Rc1 28.gh4 Re1 29.Qc3–+) 26.Re2 g4 (26...Be8=) 27.g3 (better is 27.e5 Nf5 28.Bf5 Rf5 29.Ne3=) 27...Rf1!-/+ (27...Qh3? 28.Rh2 Nd2 29.Rd2+- (worse is 29.Nd2 Qg3 30.Rg2 Rc1 31.Nc1 Qe3 32.Kh1 de4–+)) 28.Rf1 Blocks the square `8 (28.Kf1 Qg3) 28...Qg3 29.Rg2 Qe3 30.Rff2 Nd2 (30...de4?! 31.Bc4 Nc4 32.Qc3=) 31.Qd1 N6e4 (31...N2e4 32.hg4 Nf2 33.Rf2–+) 32.Be4 (32.hg4 Nf2 (32...Qd3?! 33.gh5 Kh8 34.Rd2 Qe3 35.Kh2 Qf4 36.Kg1 Nd2 37.Qd2 Qd2 38.Rd2-/+) 33.Rf2 Qg3 (33...Qd3?! 34.Rd2 Qg3 35.Rg2 Qe3 36.Kh2–+) 34.Rg2 Nf3 (34...Qd3 35.gh5 Kh7 36.Qd2 Qd2 37.Rd2–+) 35.Kf1 Qh3–+) 32...Ne4 33.hg4 Nf2 34.gh5?? (34.Rf2 Rc4 35.gh5 Rd4 36.Qf1–+) 34...Ng4 35.Kh1 Qh3 36.Kg1 Qg2! (36...Qg2 37.Kg2 Ne3 38.Kf2 Nd1 39.Ke1 Nb2–+) 0–1. Nagel,Gunter – Olej,Emil, corr, 1967.

6.c4 cb5 7.ab5 dc4 8.Bc4 Nbd7 9.d4 Be7 10.Nf3 0-0 11.0-0 Nb6 12.Bd3 Nbd5 13.Nc3 b6 14.Qb3 (14.Ne5 Bb7+=) 14...Bb7= 15.Ne5 Nc3 16.Bc3 (16.Qc3 Bd6+=) 16...Bd6 (16...Qd5 17.Qd5 Bd5 18.Bb2=) 17.Nc6 (17.Qc2 Rc8=) 17...Bc6=+ 18.bc6 Bc7 (better 18...Qc7!?=+) 19.g3 Nd5 20.Bd2 g6 (20...Nf6 21.Ra4+=) 21.Bb5 (21.Rfc1 Qg5+/-) 21...f5 (21...Nf6 22.f3+/-) 22.Bc1 Kg7 23.Ba3 Re8 24.Rac1 h5 25.Rfe1 h4 26.Kg2 hg3 (26...Rh8 27.e4 fe4 28.Re4+=) 27.hg3+/- Qg5 28.Bd3 (better 28.Rh1+/-) 28...f4-+ 29.ef4 Nf4 30.Kf1 Nd3 31.Qd3 Qf5 (31...Qd5 32.Re3=) 32.Rcd1 Kf7 33.d5 ed5 34.Re8 Qd3 (34...Ke8 35.Re1 Kf7 36.Re7 Kg8 37.Qd4+-) 35.Rd3 Re8 (35...Ke8?? 36.Rf3 Bf4 37.Rf4 Kd8 38.Bd6 a4 39.Rf8) 36.Rd5 Be5 (36...Rc8 37.f4=) 37.Rd7 (37.c7 Bc7 38.Rd7 Ke6 39.Rc7 Kd5+/-) 37...Kf6?? (37...Ke6 38.f4 Bf6 39.Rd6 Kf7 40.Rd5=) 38.c7?? (better 38.f4 Bc3 39.c7+-) 38...Rc8= 39.f4 (better 39.Bd6!? Bd6 40.Rd6 Kf7 41.Rc6=+) 39...Bc7-/+ 40.Kf2 Ke6 (better 40...Bb8-/+) 41.Kf3?? (better 41.Rg7-/+) 41...Kd7-+ 42.Kg4 (42.Bb2 a4 43.Bg7 a3-+) 42...b5 43.Kg5 b4 44.Bb2 Rg8 (44...a4!? 45.Kg6 a3 46.Bc1-+) 45.g4 (45.Kf6 a4 46.Bc1 a3-+) 45...a4 46.Bd4 Bf4! 47.Kf6 (47.Kf4 Rf8 Decoy (47...a3 Passed pawn)) 47...Bd2 48.Kf7 Bc3 49.Bc5 Re8 50.Bd4 Re6 (50...Re6 51.Bf2 Rf6 52.Kg7 Rf2 53.Kh6 b3 54.Kg6 b2 55.Kg5 b1Q 56.Kh6 Bf6 57.g5 Rh2) 0-1. ClayPigeons (2145) - Zandile_Khumalo (2130), Rated Bullet game, lichess.org, 2021.

6.c4 dc4 7.Bc4 Bb4 8.Qb3 0-0 9.Nf3 Nbd7 10.0-0 Nb6 11.Be2 Nbd5 12.d4 cb5 13.ab5 Bd7 14.Nc3 Nc3 (14...Bc3 15.Bc3 a4 16.Qb2=) 15.Bc3+= Qe7 (15...Bc3 16.Qc3 Nd5 17.Qd3+=) 16.Bb4+/- Qb4 17.Qb4 ab4 18.Rab1 (18.Ne5 Rfc8+/-) 18...Nd5+= 19.Ne5 Rfd8 20.Rb2 (20.Bc4 Be8+=) 20...Be8= 21.g3 (21.Bc4 Rac8=) 21...Nc3 Attacks the isolani on b5 22.Bd3 Ra4 23.Rc1 (23.b6 f6 24.Nc4 Bb5=) 23...Nb5 (23...f6 24.Nf3=+) 24.Bb5 (24.Bc2 Ra7=) 24...Bb5 25.Rc7 (25.Rcb1!?=) 25...f6-/+ 26.Nf3 (26.Nf7!? Rd5 27.f4-/+) 26...Bc6-+ 27.Nd2 Rd7 (better 27...Ra1!? 28.Nb1 e5-+) 28.Rc8 Kf7 29.Nb3 (29.f4 e5 30.fe5 fe5 31.de5 Re7-/+) 29...Bd5-/+ 30.Nc5?? (better 30.Rc1-/+) 30...Re7 (30...Ra1 31.Rb1 Rb1) 31.Na4+- b6 (31...e5 32.Nb6 Be6 33.Rc1 ed4 34.ed4+-) 32.Nb6 b3 (32...Bf3 33.Rb4 Ra7 34.Rbc4+-) 33.Nd5 ed5 34.Rb3 h6 35.Rbc3 h5 (35...Rd7 36.R8c7 Ke8 37.R3c5+-) 36.R3c7 (36.Rd8 Rb7+-) 36...g6 37.Re7 (37.Rc6 Re6+-) 37...Ke7 38.Rc7 Ke6 39.Rh7 g5 (39...Kf5 40.Re7 Kg5 41.e4 de4 42.d5+-) 40.Rg7 (40.Rh5!? Kf5+-) 40...Kf5 (40...g4+-) 41.Rh7 Kg6?? (41...Ke6 42.Rh5 Kf5+-) 42.Rd7+- h4 (42...Kh6 43.Rd5 Kg6 44.h4 gh4 45.gh4+-) 43.Rd5 (better 43.gh4!? gh4 44.Kg2 Kf5+-) 43...hg3 44.Kg2 1-0. ClayPigeons (2140) - Spyros_44 (2175), Rated Bullet game, lichess.org, 2020.

6.c4 dc4 7.Bc4 cb5 8.ab5 b6 (8...Nbd7 9.Nf3=) 9.Qf3 (9.Nf3 Bd6=) 9...Ra7 10.Ne2 (10.d3 Bd6=) 10...Bb7 11.Qh3 Nbd7 (11...Be4 12.0-0=) 12.0-0 Be7 (better is 12...Bd6=) 13.Be6?? (better is 13.Nd4=) 13...fe6–+ 14.Qe6 (14.Nf4 Nf8–+) 14...Bd5 (14...Nc5 15.Qh3–+) 15.Qf5 0-0 16.Nf4 Bf7 (16...Nc5 17.d4 Nce4 18.Nd5 Qd5 19.Qd5 Nd5 20.Na3–+) 17.d4 (17.Rc1 Nc5 18.Bf6 Bf6–+ (18...gf6?! 19.Rc2-/+)) 17...Qa8 (17...Nb8 18.Rc1–+) 18.Ne6 (18.Nc3 Bb4-/+) 18...Be6 (better is 18...Rc8!? 19.Ba3 Qd5 20.Qd5 Nd5 21.Be7 Ne7–+) 19.Qe6-/+ (19.Qe6 Rf7 20.Nc3-/+). GuestTGGC – GuestQLMT, freechess.org, 2018.

6.c4 dc4 7.Bc4 Bc5 8.Nf3 Nbd7 9.0-0 Nb6 10.Be2 0-0 (10...cb5 11.Bb5 Bd7 12.Qe2=) 11.Nd4 (11.Qc2 Bb4+=) 11...Bd7 12.Bf3 (12.bc6 bc6 13.Qc2 Bd6=) 12...cb5 (12...Bd4 13.Bd4 Re8 14.bc6 Bc6 15.Bc6 bc6 16.Qc2=) 13.Bb7 (13.Nb5 Bc6=) 13...Rb8=+ 14.Nc6 Rb7?? (better 14...Bc6 15.Bc6 Na4 16.Bf6 Qf6=+ (worse 16...gf6 17.Bb5 Rb5 18.Qa4+=)) 15.Nd8+- Rd8 16.ab5 (16.Bf6 gf6 17.Qg4 Kf8 18.ab5 Bb5+-) 16...Bb5 (16...Nbd5 17.Ra5 Bb5 18.d3+-) 17.Re1 (17.Bf6 gf6 18.Qg4 Kf8+-) 17...Ne4 (17...Be7 18.Ra5 Bd3 19.Ba3+-) 18.Nc3 (better 18.Bg7 a4 19.Nc3 Rd2 20.Qh5 (20.Ne4?! Rd1 21.Red1 Be7+-) 20...Kg7 21.Qg4 (21.Nb5?! f5+-) 21...Kf8 22.Qe4+- (22.Nb5?! Nf2 23.Qf3 Nd5+-)) 18...Rd2? (18...Nc3 19.Bc3 a4+-) 19.Qb3 (better 19.Qc1 Bb4 20.Ne4 Rd5+-) 19...Rb2?? (better 19...Bc4 20.Ne4 Bb3 21.Nd2 Bb4 22.Nb3 Be1 23.Na5 Ba5 24.Ra5 f6=) 20.Qb2+- Nc4 21.Qc2 (21.Ne4?! Nb2 22.Nc5 Rb8 23.Ra5 Nc4+-) 21...Nc3 22.Qc3 Bb4 (22...h6 23.Red1 Kh7 24.Rdc1+-) 23.Qd4 (better 23.Qb4! h6 24.Qc5+-) 23...h6 24.Reb1 (24.Qd8 Kh7 25.Red1 Nb6+-) 24...Rb8 25.Rc1 Rc8 26.Rab1 (better 26.Ra2+-) 26...Bc5 (26...e5 27.Qg4 Rc6 28.Qh4+-) 27.Qg4 (better 27.Rc4 Bc4 28.Qc4 a4+-) 27...Bd7 (27...Bb4+-) 28.Qc4 (better 28.Rc4 Bb4 29.Rc8 Bc8+-) 28...f5 (28...Ba3 29.Qc8 Bc8 30.Rc8 Kh7 31.Rb7+-) 29.Rb5 (better 29.Qa6 Kh7 30.Qb7+-) 29...Bb5 (29...Bb4 30.Rb4 Rc4 31.Rbc4 Bb5+-) 30.Qc5 (30.Qe6 Kh7 31.Qf5 g6 32.Qc8 Ba6 33.Qc5 Kg7 34.Qe7 Kg8 35.Rc7 a4 36.Qd8) 30...Rc5 31.Rc5 Be2 32.Rc8 (32.Ra5 Kf7+-) 32...Kf7 33.Rc7 Kg6 34.Ra7 a4 35.Ra5 (35.Ra4 e5+-) 35...Bd3? (better 35...Bd1+=) 36.Ra4+- Bc4?? (better 36...e5+-) 37.Ra6 (better 37.Rc4 Kf6 38.f4+-) 37…Bb3 (37...Bb3 38.f3 Kf6+-; better 37...Ba6 38.f3 e5–+) 0–1. RichardSommer (2035) – sthammons (2005), lichess.org, 2020.

6.c4 c5 7.Nf3 Nbd7 (7...Be7 8.Be2=) 8.cd5 (8.d4 cd4 9.Bd4 Bb4 10.Nbd2 e5 11.Ne5 Ne5 12.Be5 Ne4+=) 8...ed5 9.Be2 b6 (9...Bd6 10.0-0=) 10.0-0 (10.Nc3 Bd6=) 10...Bb7 (10...Bd6 11.Nc3=) 11.d3 (11.Nc3 Bd6=) 11...Be7 (11...Bd6 12.Nc3=) 12.h3 (12.Nbd2 0-0=) 12...h6 (12...0-0 13.Nbd2=) 13.Nh4 (13.Nbd2 0-0=) 13...g6 (13...0-0 14.Nd2=) 14.Nf3 Rf8 (14...0-0 15.Na3=) 15.Re1 Qc7 (15...g5 16.Nfd2+=) 16.Nbd2 Kd8 17.Rc1 Bd6 (17...Rc8 18.Rc2+=) 18.e4 (18.d4 c4 19.e4 Ne4 20.Ne4 de4 21.Rc4 Qb8+-) 18...de4 19.de4 Be5?? (better is 19...Ne4 20.Ne4 Be4+/-) 20.Ne5+- Ne5 (20...Ke7 21.Nd7 Nd7 22.Bg7+-) 21.Nc4 (21.Be5 Qe7 22.Nc4 Nd7+-) 21...Qd7 (21...Ke7 22.Be5 Qd8 23.Bd6 Ke8 24.e5+-) 22.Be5 Qd1 (22...Ne4 23.Nb6 Qd1 24.Rcd1 Ke7 25.Rd7 Ke6 26.f4+-) 23.Rcd1 (better is 23.Bf6 Kc8 24.Nb6 Kc7 25.Na8 Kb8 26.Bd1 Ka8 27.Rc5+-) 23...Kc8 (23...Ke7 24.Bd6 Ke6 25.Nb6 Ne4 26.Bd3+-) 24.Bf6 (24.Nb6) 24...Be4 25.Nd6 (25.Nd6 Kc7 26.Bf3+-) 1–0. GuestZJVS – GuestJSVS, freechess.org, 2016.

6.c4 Nbd7 7.Nf3 Bd6 8.cd5 cd5 9.Be2 e5 10.0-0 0-0 11.Ba3 Qe7 12.Bd6 Qd6 13.Qb3 b6 (13...d4 14.ed4 e4 15.Ne1=) 14.h3 (14.d4 e4 15.Nfd2 Bb7=) 14...Bb7 15.d4 e4 16.Nfd2 Rfe8 17.Qa3 Qe6 18.Nc3 h6 19.Qb3 Nh7 20.Bg4 f5 21.Bd1 g5 (21...Nhf6 22.Rc1=) 22.Ne2 Rf8 Black prepares f4 23.Rc1 Rac8 24.Rc8 Rc8 25.Nc3 Nhf6 26.Be2 f4 27.Nd1 f3 28.gf3 ef3 29.Bf3 Qh3 30.Bg2 Qh5 31.Qb1 Ng4 32.Nf3 Rf8 33.Re1 Ndf6 34.Qf5 Bc8 35.Qc2 Qf7 36.Bh3 (36.Nd2 h5+=) 36...Ne4= 37.Ne5?? (better is 37.Bg2=) 37...Ne5–+ 38.Bc8 (38.de5 Bh3 39.Qe2 g4–+) 38...Nf3 39.Kf1 Ned2 (better is 39...Qh5 40.Be6 Kh8–+) 40.Ke2 Qe8 (40...Ne1?! 41.Qc6 Kg7 42.Kd2 Nf3 43.Kc2-/+) 41.Bg4?? (better is 41.Qd3 Ne1 42.Ke1 Nf3 43.Ke2–+) 41...Nd4 42.Kd2 Nc2 43.Kc2 (43.Rh1 Qg6 44.Be2 Nb4–+) 43...Qe4 (43...Qe4 44.Kd2 Qg4–+) 0–1. Hal1958 – Caissaman, playchess.de, 2005.

6.c4 Nbd7 7.Nf3 Bd6 8.Be2 0-0 9.0-0 Re8 10.h3 (10.d4 dc4 11.Nbd2 cb5 12.ab5 c3 13.Bc3 Nd5+=) 10...Qc7 11.Nc3 Nc5 (11...Nb6 12.cd5 ed5 13.Rc1=) 12.Nd4 (12.d4!? Ncd7 13.c5+=) 12...Nce4 (12...e5 13.Nf3=+) 13.Bf3 (better 13.Ne4!? de4 14.Nb3=) 13...Nc3-/+ 14.Bc3 e5 (worse 14...dc4 15.bc6 Nd5 16.Nb5 Qc6 17.Rc1=) 15.Nb3 (15.Nc2-/+) 15...e4 (better 15...dc4 16.Na5 Ra5 17.Ba5 Qa5 18.bc6 e4 19.cb7 Bb7–+ (19...ef3?! 20.bc8Q Rc8 21.Qf3=+)) 16.Be2=+ Be5 (16...dc4 17.Bc4 Be6 18.Be6 Re6 19.bc6 bc6 20.Rc1=) 17.Qc2 (17.Be5 Qe5 18.c5 Qg5=) 17...Bf5 (17...dc4 18.Bc4 cb5 19.Bb5=) 18.Nd4 Bd7 19.f3 (19.bc6 bc6 20.Rab1 c5-/+) 19...ef3 20.Bf3 Bh2 (20...cb5!? 21.cb5 Bd4 22.ed4 Qg3=+) 21.Kh1= Bg3 (21...Ne4 22.b6 Qb8 23.Be4 de4 24.Nb3=) 22.cd5+= cd5 23.Qb2 (23.Rac1 Be5+=) 23...Rac8 (23...Ne4 24.Qb3 Qc4 25.Be4 Re4 26.Qd1=) 24.Ne2 (better 24.Nb3 Bh4 25.Na5+-) 24...Bd6?? (better 24...Be5=) 25.Bf6+- gf6 26.Qf6 Be5 (26...Be6 27.Qg5 Kh8 28.Bd5+-) 27.Qg5 Bg7 28.Rac1 (28.Bd5 Be6 29.Be6 fe6+-) 28...Qd8 29.Qd8 Red8 30.Bd5 Rc1 (30...Be6 31.Rc8 Rc8 32.Bb7+-) 31.Bf7 (31.Nc1?! Be6 32.Be6 fe6+-; 31.Rc1?! Bb5 32.ab5 Rd5 33.Rc8 Bf8+-) 31...Kf8 32.Nc1 (32.Rc1?! Kf7 33.Rc7 b6+-) 32...Ke7 33.Bd5 Rc8 (33...Be6 34.Be6 Ke6+-) 34.Rf7 (worse 34.Bb7 Rc4 35.Bd5 Ra4+-) 34...Kd6 35.Rg7 (better 35.Nb3 Be8 36.Rg7 Kd5 37.Rh7 b6+-) 35...Rc1 36.Kh2 (36.Kh2 Ra1 37.Rh7 Ra4 38.Bb7 Bb5 39.d4+-) 1–0. RichardSommer (2080) – lepmamba (2145), lichess.org, 2020.

6.c4 Be7 7.f3 0-0=+ 8.Be2 Re8 9.Nh3 h6 (9...dc4 10.Bc4 cb5 11.Bb5=+) 10.Nf2 (10.0-0 dc4 11.Bc4 Bd6=) 10...Nbd7 11.0-0 Ne5?? (11...cb5 12.cb5 Bd6=) 12.d4 (better 12.Be5 Nd7 13.Bc3+-) 12...Nc4-/+ (12...dc4? 13.de5 Nd5 14.Qd4+- (14.Bc4?! Ne3 15.Qd8 Rd8+-)) 13.Bc4 dc4 14.Nd2 (14.bc6!? bc6 15.Qe2-/+) 14...cb5–+ 15.ab5 Nd5 (better 15...c3!? 16.Bc3 Nd5–+) 16.Nc4-/+ Qc7 (16...Bd7 17.Qb3 Bb4 18.Na3-/+) 17.Rc1 (17.Qb3 Qd8=) 17...Qd7 (17...Bd7 18.e4 Nf4 19.b6=) 18.e4 (better 18.Qa4!? Qd8 19.Ba3+=) 18...Qb5-/+ 19.ed5 (19.Nd3!? Nb6 20.Nce5-/+) 19...ed5 20.Qc2? (better 20.Ne3 Bg5 21.Rc5 Qb2 22.Nd5-/+) 20...dc4–+ 21.Bc3 (21.Ne4 a4–+) 21...Bb4 (21...Qf5!? 22.Ne4–+) 22.Ne4 (22.Bb4 Qb4 23.Rb1 Qd6 24.Qc4 b5–+) 22...Bf5 (22...Bf8 23.Rfe1–+) 23.Qb2? (better 23.Bb4 Qb4 24.Nf6 gf6 25.Qf5-/+) 23...Be4–+ 24.fe4 Re4 25.Rb1 Rae8 (25...Qg5!? 26.Bb4 ab4 27.Qb4–+) 26.Bb4 ab4 27.Qb4 Qb4 28.Rb4 Rd4 29.Rb7 f6 (29...Re2 30.Rbf7 Rdd2 31.Kh1 Rg2 32.Rf8 Kh7 33.Rc1 Rh2 34.Kg1–+) 30.h3 Rc8 31.Rf2 (31.Rb2 Rd3–+) 31...c3 32.Rc2 (32.Rb1–+) 32...Rd2 33.Rc1 c2 34.Kh2 Rd1 35.Rc2 (35.Rb8 Rb8 36.Rc2 Kf7–+) 35...Rc2 36.Rb8 (36.h4 Rdd2–+) 36...Kh7 37.Rb7 (37.Rb3 Rdd2 38.Rg3 f5–+) 37...Rdd2 38.Rb3 (38.h4 Rg2 39.Kh3 Rg1–+) 38...Rg2 39.Kh1 Rgd2 40.Rg3 Rd1 (40...f5 41.h4 f4 42.Rg4 f3 43.h5 Rh2 44.Kg1 f2 45.Kh2 f1Q 46.Kg3 Qf2 47.Kh3 Qh2) 41.Rg1–+ Rg1 (better 41...Rd3 42.Rf1–+) 42.Kg1 Kg6 43.h4 Kh5 44.Kh1 (44.Kf1 Kh4 45.Ke1 f5 46.Kf1 f4 47.Ke1 f3 48.Kf1 Re2 49.Kg1 Kg3 50.Kf1 g5 51.Kg1 Re1) 44...Kh4 (44...Kg4 45.Kg1 Kf3 46.h5 Rc1 47.Kh2 f5 48.Kh3 Rh1) 45.Kg1 Kg3 46.Kf1 Kf3 (46...Rf2 47.Ke1 h5 48.Kd1 h4 49.Kc1 h3 50.Kd1 h2 51.Ke1 h1Q) 47.Ke1 Rh2 (47...Ke3 48.Kf1 g5 49.Kg1 g4 50.Kf1 g3 51.Kg1 Kf3 52.Kf1 Rc1) 48.Kd1 Ke3 (48...h5 49.Kc1 h4 50.Kd1 h3 51.Kc1 Re2 52.Kd1 h2 53.Kc1 h1Q) 49.Ke1 (49.Kc1 f5 50.Kb1 f4 51.Kc1 f3 52.Kb1 Re2 53.Kc1 f2 54.Kd1 f1Q) 49…Rh1 0–1. BeepBeepImAJeep (2585) – lovrekov (2175), lichess.org, 2017.

6.c4 Be7 7.Nf3 Bd7 (7...0-0 8.Nc3=) 8.Nc3 0-0 9.h3 (9.Rc1 Bb4=) 9...Qb6 (9...Ne4 10.Qc2 cb5 11.ab5 Nc3 12.Bc3+=) 10.g4 (10.Rb1 c5=) 10...dc4 (10...Rc8 11.cd5 Nd5 12.Nd5 ed5 13.Rc1+=) 11.Bc4 Rd8 (11...Rc8 12.Rc1+=) 12.g5 Nd5 (12...Ne8 13.Ne5=) 13.h4 (13.Nd5!? cd5 14.Bd3=) 13...Nc3+= 14.Bc3 cb5 (14...Bd6 15.Qb1 cb5 16.Bd3=) 15.ab5= Bb5 (15...Rc8 16.Qa4=) 16.Rb1 Bb4 17.Bb4 ab4 18.Rb4 Qc5 19.Rb5 Qc4 20.Rb7 Nc6 (20...Nd7 21.Rb1+=) 21.Rb1 (21.Rb2!?+=) 21...Nb4-/+ 22.d4?? (better is 22.Qb3 Qb3 23.Rb3 Ra1 24.Ke2 Rh1 25.Rb4+=) 22...Nd3 (better is 22...Nc2 23.Qc2 Qc2–+) ½–½. Zauner,Franz – Rechberger,Franz, Leonding AUT, 2006.

6.Nf3 Bb4 7.Be2 0-0 8.0-0 cb5 9.ab5 a4 (better 9...Nbd7!?=) 10.c3+- Bd6 11.Ra4 Ra4 12.Qa4 Bd7 (12...Nbd7 13.d4+-) 13.c4 dc4 (13...Na6 14.Nc3+-) 14.Qc4 (14.Na3 c3 15.dc3 Be7+-) 14...Nd5 (14...Qe7 15.Nc3+-) 15.Qd4 (15.Nc3 Qc7+-) 15...Qa5?? (better 15...Qf6+-) 16.Qg7 1–0. DEFFM – GuestTTQP, freechess.org, 2019.

6.Nf3 Bd6 7.c4 0-0 8.Be2 Nbd7 9.0-0 cb5 (9...dc4 10.Na3=) 10.ab5 (10.cb5 e5=) 10...dc4 (10...Qc7 11.cd5 e5 12.d3=) 11.Bc4 (11.Na3 Nb6=) 11...Qc7 (11...Nb6 12.d3=) 12.Be2 (12.Qe2 Ng4 13.Rc1 Bh2 (worse is 13...Nh2 14.Ng5+/-) 14.Kh1 Qb8=) 12...e5 13.d3 Rd8 (13...Nb6 14.Nc3=) 14.Nc3 1–0. jlbaf – davidloza, net–chess.com, 2017.

6.Nf3 Bd6 7.c4 Nbd7 8.Be2 0-0 9.cd5 cd5 10.0-0 e5 11.d4 e4 12.Ne5 Qe7 13.Nd7 Bd7 14.Nc3 (14.Ba3 Ba3 15.Ra3 Rfc8=) 14...Rfc8 15.Qb3 Be6 16.Rac1 b6 17.Nb1 Rc1 (17...Qb7 18.Ba3 Bc7 19.f4 ef3 20.Bf3= (worse 20.Rf3 Bh2 21.Kh2 Rc1 22.Bc1 Qc7 23.Rf4 g5–+)) 18.Rc1 Rc8 19.Rc8 Bc8 20.Nc3 (20.Ba3 Ba3 21.Qa3 Qa3 22.Na3 Kf8=) 20...Be6=+ 21.h3 Bb4 (21...Bb8 22.f4=+) 22.Na2= Ne8 23.Nb4 Qb4 24.Qb4 (24.Qc2 Bd7+=) 24...ab4 25.Kf1 Nd6 26.Ke1 (26.Bc1 Nc4 27.Bd1 g5=) 26...Nc4 27.Bc4 (better 27.Ba1!?=) 27...dc4-/+ 28.Kd2 c3 (better 28...Kf8!?-/+) 29.Bc3=+ bc3 30.Kc3 Kf8 31.Kb4 Ke7 32.a5 ba5 33.Ka5 White launches an attack 33...Kd7 34.Kb6 Bd5 (34...Bc4 35.h4=+) 35.Kc5 Ba8 36.g4 Ke6 37.Kb6 Kd6?? (better 37...Kd7=) 38.Ka7+- Bd5 39.b6 h5 (39...f6 40.b7 Bb7 41.Kb7+-) 40.b7 (40.gh5!? Ke6+-) 40...Bb7 41.Kb7 h4 42.Kb6?? (better 42.g5 Kd7 43.Kb6+-) 42...g5–+ 43.Kb5 f5 44.gf5 g4 45.hg4 h3 46.Kc4 (46.g5 h2 47.g6 h1Q–+) 46...h2 47.d5 (47.g5 h1Q 48.g6 Qh5–+) 47...h1Q 48.Kd4 Qf3 49.g5 (49.f6 Qg4 50.f7 Qf5 51.f8B Qf8 52.Ke4 Qf2–+) 49...Qf5 50.Kc3 Qd5 51.g6 Ke5 (51...Qd3 52.Kb2 Qd2 53.Kb3 Qf2 54.g7 Qe3 55.Kc2 Qd3 56.Kb2 Qd4 57.Kb3 Qg7 58.Kc2 Qg2 59.Kb3 e3 60.Kc4 e2 61.Kb5 e1Q 62.Ka4 Qc2 63.Kb5 Qc6) 52.Kc2 (52.g7 Qf7 53.Kd2 Qf2 54.Kd1 Qg1 55.Ke2 Qg2 56.Kd1 Qg7 57.Kc2 Qg2 58.Kb3 Kd5 59.Ka3 Qc2 60.Kb4 Qb2 61.Ka4 Kc4 62.Ka5 Qb5) 52...Qd3 53.Kc1 Qc3 54.Kd1 Qd3 (better 54...Kf6–+) 55.Ke1?? (55.Kc1 Qf1 56.Kc2 Qf2 57.Kd1 Qe3 58.g7 Qg1 59.Kc2 Qg7 60.Kb2 Kd5 61.Kc2 Kc4 62.Kd2 Qg2 63.Ke3 Qf3 64.Kd2 Qf2 65.Kd1 Kd3 66.Kc1 Qc2) 55...Kf6–+ 56.g7 Kg7 57.f4 Kf6 (57...ef3 58.Kf2 Qe2 59.Kg3 f2 60.e4 f1Q 61.e5 Qff3 62.Kh4 Qg4) 58.Kf2 Kf5 59.Kg3 Qd2 (59...Qe3 60.Kh2 Qd2 61.Kg3 e3 62.Kh3 e2 63.Kh4 e1Q 64.Kh3 Qee3 65.Kh4 Qh2) 60.Kh4 (60.Kh3 Qe3 61.Kh2 Qf2 62.Kh3 Qf3 63.Kh2 e3 64.Kg1 e2 65.Kh2 e1N 66.Kg1 Qg2) 60...Qe3 (60...Qh2) 61.Kh5 Qh3 0–1. BeepBeepImAJeep (2435) – purpledwarf (2225), lichess.org, 2018.

6.Nf3 Bd6 7.Be2 0-0 8.0-0 Nbd7 9.c4 e5 10.bc6 (10.c5 Bc5 11.Ne5 Bd6=) 10...bc6+= 11.cd5 cd5 12.Nc3 Ba6 13.Ba6 Ra6 14.Nb5 Bb8 15.d4 (15.d3 Re8=) 15...e4 16.Nd2 Bd6 (better is 16...Re8=) 17.Nd6+- (17.Nd6 Rd6 18.Ba3+-) 1–0. rudy (2000) – rhand (1920), net–chess.com, 2001.

6.Nf3 Bd6 7.Be2 0-0 8.0-0 Nbd7 9.c4 e5 10.cd5 cd5 (10...cb5 11.Bb5 e4 12.Nd4=) 11.d3 Re8 12.d4 e4 13.Nfd2 b6 (13...Nb6 14.Ba3=) 14.Na3 (14.Ba3 Bb8=) 14...Bb7 15.Rc1 Qe7 16.Qb3 Rec8 17.Rc8 (17.Nc2 Rc7=) 17...Rc8 18.Rc1 Qd8 (18...Rc1 19.Bc1 Qd8 20.Qc2=) 19.Rc8 (19.Nc2 Ne8=) 19...Qc8 (19...Bc8 20.Qc3=) 20.h3 Nf8 21.Nf1 Ng6 22.Qc2 (22.Nc2 Nh4=) 22...Ne7 (22...Qf5 23.Nb1+=) 23.Qc8= Bc8 24.Ng3 g6 (24...Be6 25.Nc2=) 25.Nb1 Ne8 (25...Bg3 26.fg3 h5 27.Kf2=) 26.Nf1 f5 27.Ba3 Kf7 28.Bd6 Nd6 29.Nfd2 Be6 30.Kf1 g5 31.Ke1 f4 32.Bh5 Kf6 33.Bd1 fe3 (33...Ndf5 34.Ke2+=) 34.fe3= Kg6 35.Nc3 h5 36.Kf2 g4 37.hg4 Bg4? (37...hg4 38.Ne2 Kg5 39.Bb3=) 38.Bg4 (better is 38.Bb3 Be6 39.Nde4 de4 40.Be6+-) 38...hg4= 39.g3 (39.Ne2 Kf5=) 39...Ndf5 40.Nb3 Kf6 41.Nc1 Ke6 ½–½. rudy (2000) – rhand (1920), net–chess.com, 2001.

6.Nf3 Bd6 7.Be2 c5 8.c4 Nbd7 9.0-0 0-0 10.Qc2 b6 11.d4 Qc7 (11...Bb7 12.cd5 ed5 13.Nbd2=) 12.h3 (12.dc5 Nc5 13.Bf6 gf6 14.cd5 ed5+=) 12...Bb7 (12...cd4 13.ed4 Bb7 14.Nbd2=+) 13.Nbd2 (13.cd5 Nd5 14.Nbd2 Rac8=) 13...Rac8 (13...cd4 14.ed4 Rac8 15.Rfc1=+) 14.Rac1 (14.cd5 Nd5 (worse 14...Bd5 15.e4+-) 15.Nc4 cd4 16.Bd4 f6=) 14...h6 (14...cd4 15.ed4 Qb8 16.Qb3=+) 15.Qb1= Rfe8 16.cd5 Nd5 (16...ed5 17.dc5 bc5 18.Bd3=) 17.Nc4 N5f6 18.Rfd1 Be4 19.Qa1 Be7 20.Nfd2 Bb7 (20...Bd5 21.Bf3+=) 21.Nb3+- Bd5 (21...Red8!?+-) 22.dc5+- Nc5 23.Nc5 bc5 24.Be5 Qa7 25.Bc3 (25.Qb2 Ra8+-) 25...Bc4 26.Bc4 Red8 27.Qb2 Qb6 28.f3 (28.Be2 Rd1 29.Rd1 Ne8+-) 28...Rd1 (28...Ne8!?+-) 29.Rd1+- Rd8 30.Rd8 Bd8 31.Qd2 Qc7 32.Qb2 Kf8?? (32...Qb6 33.Kf2 Qd6+-) 33.e4 (33.Kf2 Qd6+-) 33...Ke7 (33...Qd6 34.Qc2 Nd7 35.Qd3 Qd3 36.Bd3+-) 34.Be5 Qb6 (34...Qd7 35.Qc1+-) 35.Qa3 (35.Qc1!? Bc7 36.Bc3 Qb8+-) 35...g5+- 36.Qe3 (36.Qa1 Nd7 37.Bg7 f6+=) 36...Bc7 37.Bb2 Qd6 38.Ba3 The isolani on c5 becomes a target (38.Bb3 Nd7 39.Kf1 c4 40.Bc4 Qd1 41.Qe1 Qa4=) 38...Nd7 (38...Qd1 39.Kf2 Nd7 40.Bb3=) 39.Kf2 (39.Bb3 Qh2 40.Kf1 Bd6=) 39...Ke8 (39...Qd1 40.Bb3 Qa1 41.Bc5 Nc5 42.Qc5 Bd6 43.Qa7 Kf6 44.Qe3=) 40.Ke2 Qe5 41.Bb3 Bd6 42.Bc1 (42.Kf1!?=) 42...Qa1-/+ 43.Bd2 Be5 (43...Bf4 44.Qc3 Qg1 45.Bf4 Qg2 46.Ke1 gf4 47.Bd1 Qg1 48.Ke2 Qh2 49.Ke1 Qh3 50.Kd2 Qg2 51.Kc1-/+) 44.Ba5 (44.Bd1!?+=) 44...Bd4= 45.Qd2?? (better 45.Qd3 Qg1 46.b6 Qg2 47.Kd1 Qh1 48.Kd2 Qh2 49.Kd1 Qh1 50.Kc2 Qh2 51.Kd1 Qh1=) 45...Qg1–+ 46.Kd3? (46.Bc7 Qg2 47.Kd3 Qf3 48.Kc2 Qe4 49.Qd3 Qg2 50.Kc1 Nf6–+) 46...Qb1 (better 46...Ne5 47.Kc2 c4–+) 47.Bc2 (47.Qc2 Ne5 48.Kd2 Qf1–+) 47...Ne5 (better 47...Qf1 48.Qe2 c4 49.Kd2 c3 50.Kd3 Ne5 51.Kd4 Qe2–+) 48.Ke2 Qg1 49.b6 Qg2 (49...Nc6 50.Bd3 Qg2 51.Ke1 Qg1 52.Ke2 Qf2 53.Kd1 Qf3 54.Kc2–+) 50.Kd1-/+ Qf3 (better 50...Qf1!? 51.Qe1 Qa6–+ (51...Qf3?! 52.Qe2=+)) 51.Qe2=+ Qe2 (51...Qh1 52.Be1 c4 53.b7=) 52.Ke2= Nc6 (52...c4 53.b7 Nc6 54.Bc7=) 53.b7 (53.Be1 Kd7 54.a5 Nb4 55.Ba4 Kc8+=) 53...Be5 54.Bb6 Nd4 55.Kd3 Kd7 56.a5?? (better 56.Bd1 Kc6 57.Ba7 Kb7 58.Bc5=) 56...Nc2–+ 57.Kc2 (57.Bc5 Kc6 58.a6 Bb8–+ (58...Kc5?? 59.a7 Nb4 60.Ke2+-)) 57...Kc6 58.Kd3 Kb7 59.Bc5 Bc7 60.Bf8 (60.Be7 Ba5 61.Ke3 Bc3–+) 60...h5 61.Ke3 Ba5?? (better 61...f5–+) 62.Be7-/+ Kc6 63.Bg5 Kd6 64.Kf3 Bc3 65.Be3 Ke5 66.Bf4 Kf6 67.Be3 e5 68.Bc5 Kg6 69.Be3 (69.Bg1 Bd4 70.Bh2 Kg5-/+) 69...Be1 (69...f5 70.ef5 Kf5 71.Ke2-/+) 70.Bc1 Bh4 71.Bd2 Bg5 72.Bc3 f6 73.Bb4 Bf4 74.Bc3 Kg5 75.Be1 h4 (75...Bc1!?-/+) 76.Bf2 Bd2 77.Bc5 Bc1 78.Bf2 Bf4 79.Bc5 Bg3 80.Bb6 f5 (80...Be1 81.Be3 Kh5 82.Bc5=+) 81.Bd8 Kg6 82.Bc7 Kf6 83.Be5 ½–½. Hughes,John L (2015) – Balcarce,Cristian (1985), Festival Panamericano da Juven, 2010.

6.Nf3 Bd7 7.c4 Bb4 8.Bc3=.

6.Nf3 Bd7 7.c4 dc4 8.Bc4 cb5 (8...Bd6 9.0-0=) 9.ab5 b6 (9...Ne4 10.Nc3 Nd6 11.Be2+=) 10.0-0+= Be7 (10...Bd6 11.Qa4+=) 11.Ne5 0-0 12.d4 (12.Qf3 Ra7+=) 12...Be8 (12...Bc8 13.Qf3 Ra7 14.Nc3+=) 13.Nc3 (better is 13.Qf3 Ra7 14.Ba3+/-) 13...Nbd7?? (better is 13...Nfd7+/-) 14.Nc6+- Qc8 (14...Qc7 15.Ne7 Kh8+-) 15.Ne7 (15.Ne7 Kh8 16.Nc8 Rc8 17.Qa4+-) 1–0. DEFFM – GuestTTWQ, freechess.org, 2018.

6.Nf3 Bd7 7.c4 dc4 8.Bc4 b6 (8...Bd6 9.Nc3+/-) 9.Nc3 c5 (9...Qc7!? 10.Qc2+/-) 10.Ne5+- Bd6 11.Qf3 Ra7 12.Ne4 Be5 (12...Bc8 13.Nc6 Nc6 14.Nf6 (worse is 14.Bf6 gf6 15.bc6 Be5+/-; 14.Nd6?! Qd6 15.bc6 e5+/-) 14...gf6 15.bc6+- (15.Qc6?! Rd7 16.Qf3 Be5 17.Be5 fe5+=)) 13.Be5 0-0?? (13...Ne4 14.Qe4 0-0+-) 14.Nf6 (14.Nf6 Kh8 15.Qh5+-) 1–0. Janek – tscjs, internet, 2018.

6.Nf3 Bd7 7.c4 Be7 8.Be2 0-0 9.0-0 Qc7 10.Be5 Qd8 11.Qc2 Ne8 (11...Be8 12.d4+/-) 12.Rc1 c5 (12...f6 13.Bg3+/-) 13.d4+- f6 14.Bg3 b6 (14...cd4 15.Nd4 e5 16.Nf3 dc4 17.Bc4 Kh8 18.Nbd2+-) 15.Nc3 Bc8 (15...Nc7+-) 16.cd5 ed5 17.Nd5! Bd6 (17...Qd5 18.Bc4 Pinning (18.Bc4 Decoy)) 18.dc5 Bc5 (18...bc5 19.Rd1 Kh8 20.Bd6 Qd6 21.Nf4+-) 19.Qe4 Bb7 (19...f5 20.Ne7!! Qe7 21.Qa8+-) 20.Rc5! bc5 (20...Kh8 21.Rc3 Bd5+-) 21.Ne7 Kh8 22.Qb7 Nd7 (22...Nd6 23.Bd6 Qd6 24.Rd1+-) 23.Rd1 (23.Rd1 Qe7 24.Rd7+-) 1–0. pierred (2840) – workchess (2210), net–chess.com, 2015.

6.Nf3 Be7 7.Be2 0-0 8.0-0 cb5 9.ab5 b6 10.Ne5 Nfd7 11.f4 Ne5 12.Be5 Nd7 13.Bb2 Bf6 14.Nc3 Nc5 15.d4 Nb7 16.Bd3 Nd6 17.Qh5 g6 18.Qh6 Bg7 19.Qh3 e5 20.Qg3 e4 21.Be2 Be6 22.h3 f5 23.Qf2 Rc8 24.Qe1 Rc7 25.Qd2 Qd7 26.Rfb1 Rfc8 27.Ra3 Bf8 28.Bd1 Nc4 29.Ra4 Nd2 30.Kf2 Nb1 0-1. pacal56 (2245) - Horobetz (2305), Rated Blitz game, lichess.org, 2014.

6.Nf3 Be7 7.Be2 0-0 8.d4 c5 (8...cb5 9.ab5 Bb4 10.c3=) 9.c4 cd4 10.ed4 (10.Qd4 dc4 11.0-0 Qd4 12.Bd4 Nbd7=) 10...dc4= 11.0-0 b6 12.Nbd2 (12.Bc4 Ra7=) 12...c3 13.Bc3 Bb7 14.Bb2 Nbd7 15.Ne5 Nd5 16.Nc6 Qc7 (16...Bc6 17.bc6 N7f6 18.Nf3=) 17.Rc1 (better 17.Ne7 Ne7 18.Ba3+=) 17...Qd6 (better 17...Bc6!? 18.Rc6 Qf4=) 18.Ba3!+/- (18.Ne7?! Qe7 19.Re1 Rfc8=) 18...Qa3 19.Nc4 Qa2 20.Ne7 Ne7 21.Ra1 Qa1 22.Qa1 Rac8 (22...Rad8 23.Rc1+/-) 23.Nd6+- Rc7? (better 23...Rb8+-) 24.Rc1 (24.Nb7?! Rb7 25.Bf3 Rc7+/-) 24...Rc1 25.Qc1 Bd5 (25...Bc8+-) 26.Qc7 1-0. onur604 (2320) - Shakarim (2300), Casual Rapid game, lichess.org, 2021.

7.c4 Bb4 8.Be2 0-0 9.0-0 dc4 (9...cb5 10.ab5 b6 11.d4=) 10.bc6+= bc6 11.Bc4 Nb6 12.Be2 Bb7 13.Qc2 Nbd5 14.Na3 Qe7 (14...Be7 15.Nc4+=) 15.Nc4+- Bc5 16.Be5 (16.Nfe5 Nb4 17.Qb3 Ba6+=) 16...Nb4 17.Qb2 Ba6 18.Rfc1 Ba7? (better 18...Bc4 19.Rc4 Bd6+=) 19.Bd6+- Qb7?? (better 19...Qd8 20.Bf8 Qf8+-) 20.Na5 Qb6 21.Qb4 (21.Qb4 Be2 22.Bf8+-; 21.Bb4?! Be2 22.Nc6 Bf3 23.gf3 Rfe8+-) 1–0. pcmvr – samyaksamadhi, net–chess.com, 2019.

7.c4 cb5 8.cb5 (8.cd5 Nd5 9.Bb5 Nc7=) 8...b6 9.Be2 Bd6 (9...Bb7 10.0-0=) 10.0-0 (10.d4 0-0=) 10...Bb7 (10...e5 11.Ba3 Nc5 12.Ne5 Be5 13.d4 Bh2 14.Kh2=) 11.d4 Rc8 12.Nbd2 (12.Ba3 Qe7=) 12...Qc7 (12...0-0 13.Ba3 Ba3 14.Ra3=) 13.Rc1+= Qb8 14.Rc8 Bc8 15.Qc2 (15.Qb3 Ne4 16.Qc2 Bb7=) 15...h5 (15...0-0 16.Rc1=) 16.e4 (16.Rc1!? Bb7 17.Qd3+=) 16...de4= 17.Ne4 Bb7 (17...Ne4 18.Qe4 Bb7 19.Qh4=) 18.Nd6+= Qd6 19.Rc1 (19.Ra1 Qd5+=) 19...0-0 20.Qc7 (20.Ne5 Rc8 21.Qc8 Bc8 22.Rc8 Nf8+=) 20...Qd5 21.Bc4 Qe4 22.Re1 (22.d5 Bd5 23.Bd5 ed5 24.Bf6 Nf6=) 22...Rc8 (22...Qc2!? 23.Qb7 Qc4+=) 23.Qc8+= (23.Re4?? Rc7 24.Re6 Rc4–+ (worse is 24...fe6 25.Be6 Kh8 26.Bb3–+)) 23...Bc8 24.Re4 Ne4 25.d5 (better is 25.Be2!?+=) ½–½. Woelfelschneider,Peter – Pollakowski, Obernburg, 1983.

7.c4 Nb6 8.Ne5 Qc7 9.bc6 bc6 10.cd5 Nfd5 11.Nc6 Qc6?? (better is 11...Bb7 12.Ne5 Bd6 13.Bb5 Kf8+=) 12.Bb5+- Qb5 13.ab5 Nc4 14.Qc2 Nb2 (14...Ncb6+-) 15.Qc6 (15.Qc6 Kd8 16.Qa8+-) 1–0. b4_player – manne, casual, 2013.

7.Be2 c5 8.c4 Nb6 9.0-0 dc4 10.Qc2 (10.Na3 c3 11.Bc3 Be7+=) 10...Be7 (10...Nfd5 11.Ne5=) 11.Na3+= c4 seems the pivot of the position 11...0-0 12.Nc4 Nc4 13.Bc4 b6 14.Be5 (14.Rad1 Bb7+=) 14...Bb7= 15.d4 (15.Ng5 Re8=) 15...cd4 16.Ng5 Bd5?? (better is 16...d3 17.Bd3 Qd5=) 17.Bf6+- Bf6?? (17...g6 18.Bd5 ed5 19.Be7 Qe7+-) 18.Qh7 1–0. DEFFM – acq, freechess.org, 2018.

7.Be2 Bd6 8.d4 0-0 (8...Qc7 9.0-0=) 9.Nbd2 (9.0-0 Qc7=) 9...Nb6 (9...cb5 10.Bb5 Nb6 11.Ne5=) 10.0-0 cb5 11.ab5 Qe7 12.Ne5 (12.c4 dc4 13.Ne5 Qc7 14.Ndc4 Nc4 15.Nc4 Bh2 16.Kh1 Rd8+=) 12...Nfd7 (12...a4 13.c4 a3 14.Bc1=) 13.c4 Ne5 14.de5 Bb4 15.Bd4 Nd7 (15...Qc7 16.Qc2+=) 16.cd5 (16.Qc2 Rd8+=) 16...ed5 17.Nf3 b6 18.Rc1 Nc5 19.Bc5 Bc5 20.Qd5 Bb7 21.Qd3 (21.Qc4 a4=) 21...a4 22.Rfd1 a3 23.Qf5 Bc8 24.Qh5 Bb7 25.Bc4 Bf3 26.Qf3 Qe5 27.Rc2 (27.Rd7 Be7 28.Ba2 Qb2 29.Bf7 Kh8-/+) 27...Ra4 28.g3 Kh8 (28...Qg5 29.Qe4 Ra7 30.Ra2=) 29.Ba2 (29.Bf7?? a2 30.Ra2 Ra2–+) ½–½. Myrberg,Johnny – Simmelink,Joop Theo, corr Kuhlmann mem, 1999.

6.c4 Bd7 7.Nc3+= c5 (7...0-0 8.Nf3+=) 8.Nf3+- a6 9.Bd3 a5 (9...0-0 10.0-0+-) 10.0-0 b6 (10...Bc8 11.Ne2+-) 11.Ne5+- Qe7 (11...0-0 12.Qf3+-) 12.Qf3 Ra7 13.cd5 Bc3 14.dc3 ed5 15.c4 d4?? (15...Be6 16.cd5 Bd5+-) 16.ed4 cd4 (16...0-0 17.d5+-) 17.Bd4 Be6 18.Bb6 Rb7 (18...0-0 19.Rfe1+-) 19.Ba5 Ng4 (19...0-0 20.Rfe1 Re8+-) 20.Ng4 Qh4 (20...0-0+-) 21.Qb7 0-0 22.Ne5 Qg5 23.Rae1 Bh3 24.Bb4 Qg2 25.Qg2 Bg2 26.Kg2 Rd8 27.c5 1–0. Pierre – AntePak, internet, 2019.

6.Nf3 0-0 7.c4 a6 8.Qb3 Be7 (8...c5 9.Bd3=+) 9.Nc3= ab5 10.ab5 Ra1 11.Ba1 Bd7 (11...cb5 12.Nb5 dc4 13.Bc4=) 12.Bd3 (12.Be2 dc4 13.Bc4 cb5 14.Nb5 Ne4=) 12...Qa5 (12...dc4 13.Bc4 cb5 14.Nb5=) 13.0-0 cb5 14.cb5 b6 (14...Qb4 15.Qb4 Bb4 16.Ne5+=) 15.Na4 (better 15.Bb2 Qa7 16.Ra1+=) 15...Bc5? (better 15...Ne4!?+=) 16.Bc3 (16.Bf6 gf6 17.Ra1 Bd6+-) 16...Qa7+- 17.Nc5 (17.Ra1 Qb7 18.Bf6 gf6+-) 17...bc5 18.b6 (18.Qb2 Ne8+-) 18...Qb7 19.Qb2 c4 (19...Ne8 20.Ra1 c4 21.Ra7+-) 20.Bc2 Nc6? (better 20...Nh5+-) 21.Bf6+- gf6 22.Qf6 Re8 (22...Ra8 23.Ng5 Bc8 24.Nh7 Qe7+-) 23.Bh7 Kf8 24.Nh4 Ne7 (24...Ne5 25.f4 Rb8 26.fe5 Ba4 27.Qe6 Qd7 28.Qg6 Qe6 29.Qe6 Rb7 30.Qd6 Ke8 31.Nf5 Rd7 32.Ng7 Kd8 33.Qf8) 25.Qh6 1–0. GuestJLXB – GuestJZQB, freechess.org, 2020.

6.Nf3 0-0 7.c4 dc4 8.Bc4 Ne4 9.Nc3 Nc3 10.dc3 Qd1 (10...Bd6 11.Ba3 c5 12.Qd3+=) 11.Rd1+= Ba5 12.0-0 Nd7 (12...cb5 13.ab5 a6 14.Ba3+=) 13.Ng5 (13.bc6 bc6 14.Ba3+=) 13...Nc5? (better 13...cb5!? 14.Bb5 Rd8=) 14.Ba3+- b6 (14...Na4!? 15.Bf8 Kf8 16.bc6 Nc5 17.Nh7 Ke7+-) 15.bc6+- Bc3 16.Rc1 Ba5 (16...Bf6 17.Bc5 bc5 18.Ne4+-) 17.Bb5 (17.Bc5 bc5 18.Bd3 h6+-) 17…a6 (17...a6 18.Bc5 bc5+-). DEFFM – GuestSRQL, freechess.org, 2020.

6.Nf3 0-0 7.Be2 a6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.c4 c5 12.d3 Qa5 13.Bb2 Qa2 (13...Re8 14.Nbd2=) 14.Qc2+= Re8 15.Nc3 Bc3 (15...Qa5!?+=) 16.Qc3+/- Qa7 17.Ra1 Qb6 18.Ne5 Ne5 19.Qe5 Bd7 (19...Qd8 20.Qg3+/-) 20.Qg3 d4 (20...Kh8+-) 21.ed4 cd4 22.Qe5 Rc8 (22...Qd8 23.Bd4 Bc8 24.Bf3+-) 23.Bd4 Qc7 (23...Qd8 24.Bf3+-) 24.Qc7 Rc7 25.Ra8 Rc8 26.Ra7 e5 27.Be5 Re8 28.f4 Bc8 (28...Bf5 29.Kf2 Ng4 30.Bg4 Bg4 31.Rb7+-) 29.Bf3 Nd7 (29...Ng4 30.Bc3 Kf8 31.Bb4 Kg8 32.h3+-) 30.Bd6 b6 (30...Nf6 31.Bb7 Bb7 32.Rb7+-) 31.Bc6 1-0. wgr069 (2315) - Mohdali14 (2255), Casual Blitz game, lichess.org, 2021.

6.Nf3 0-0 7.Be2 Nbd7 8.0-0 c5 9.d3 Ba5 10.Nbd2 Qc7 11.c4 (11.Nb3 Re8+=) 11...Nb6 (11...a6!?=) 12.Nb3+= Bb4 13.Be5 (13.Bf6!? gf6 14.a5+/-) 13...Qe7= 14.Qc2 Nbd7 15.Bb2 e5 16.Nfd2 d4 17.ed4 (17.Bf3 Qe6=) 17...ed4=+ 18.Bf3 Ne5 19.Be4 Ne4 20.Ne4 f5 (better 20...Re8 21.Ba3 Nd3 22.Qd3 Ba3 23.Ra3 Qe4 24.Qe4 Re4 25.Nc5 Re5=) 21.Ng3? (better 21.Nec5 Bc5 22.Nc5 Qc5 23.Ba3=+) 21...f4-+ 22.Ne4 f3 23.Nbc5?! (23.g3-+) 23...Bc5 24.Nc5 (24.Rfb1-+) 24...Qc5 (24...Qg5 25.g3 Qg4 26.Qd1 Qh3 27.Qf3 Nf3 28.Kh1 Qh2) 25.Ba3-+ Qc7 26.Bf8 Kf8 (26...Qd7 27.h3 fg2 28.f4 gf1R 29.Rf1-+) 27.Rfe1 (27.Qd2 fg2 28.Kg2 Ng4-+) 27...Bf5 28.Rad1? (better 28.g3-+) 28...Ng4?? (better 28...fg2 29.Kg2 Qd6-+) 29.g3-/+ Qd6 30.Qd2 Qg6 (better 30...Rc8-/+) 31.Qf4+= Qh5 (31...Rd8 32.Qf3 b6 33.h3+=) 32.h4+/- Nh6 (better 32...Kg8!?+/-) 33.Qd4+- Bh3 (33...Qg6 34.Qd5 Rb8 35.Qc5 Kg8 36.Qc7+-) 34.Re3 (34.Qe4 Qf7 35.Qh7 Ng8+-) 34...Bg2 (better 34...Bg4+-) 35.Rde1 Qf5?? (35...Bh3+-) 36.Qd6 Kg8 (36...Kf7 37.Re7 Kg8 38.Re8 Re8 39.Re8 Qf8 40.Rf8) 37.Re8 Re8 38.Re8 Kf7 (38...Qf8 39.Rf8) 39.Rf8 1-0. Mely (2250) - Wulebgr (2215), ChessWorld.net, 2016.

6.Nf3 Nbd7 7.Be2 cb5 8.ab5 0-0 9.0-0 b6 (9...a6 10.d4=) 10.Nd4+= Bb7 11.Nc6 Qc7?? (better is 11...Bc6 12.bc6 Nb8=) 12.Nb4+- Nc5 (12...Rfc8 13.f4+-) 13.f4 (13.Bf6!? gf6 14.d4 Ne4+-) 13...Nfe4 (13...Qe7 14.Bd4+-) 14.Rf3 1–0. DEFFM – yudiGuest, freechess.org, 2018.

6.Nf3 Nbd7 7.Be2 cb5 8.ab5 0-0 9.0-0 Nc5 10.d4 Nce4 11.c3 Bd6 12.Nbd2 Re8 13.c4 b6 14.Qb3 Bb7 15.Ra2 a5 16.ba6 Ra6 17.Rfa1 Qc7?? (better is 17...Ra2 18.Ra2 Nd2 19.Nd2 Qc7=) 18.Ra6+- Ba6 19.Ra6 Nd2 20.Nd2 Bh2 21.Kf1 Rb8 22.g3 g6 (22...dc4 23.Qc4 Bg3 24.fg3 Qg3+-) 23.Kg2 Bg3 24.fg3 Ne8 25.Ba3 Qb7 26.Ra4 (26.c5 bc5 27.Qb7 Rb7+-) 26...Nc7?? (26...dc4 27.Bf3 cb3 28.Bb7 Rb7 29.Ra8+- (29.Nb3?! f5+/-)) 27.Rb4 (27.cd5 b5 28.Rb4 Qd5 29.Qd5 Nd5+-) 27...Kg7?? (better is 27...dc4 28.Bf3 cb3 29.Bb7 Rb7 30.Rb3 f5+-) 28.c5+- Na6 (28...Na8+-) 29.Rb6 Qa7 30.Ba6 Qa6 (30...Rb6 31.Qb6 Qe7 32.c6 Qa3 33.c7+-) 31.Rb8 (31.Rb8 Qe2 32.Kg1 Qd2 33.Bb4+-; better is 31.Ra6 Rb3 32.Nb3 h5+-) 1–0. woelfie – Talisman77, playchess.de, 2003.

6.ab5 a5 7.c4 Nbd7 8.cd5 Nd5 9.Nf3 b6 10.Bc4 Nb4 11.0-0 Bb7 12.d3 Rc8 13.Nbd2 Nc5 14.d4 Ne4 15.Ne4 (15.Rc1 Bd6=) 15...Be4 (15...Rc4!? 16.Ned2 Rc7=+) 16.Nd2= Bc2 (16...Bg6 17.Qe2=) 17.Qg4 (17.Qe2 Rc4 18.Qc4 Bd3=) 17...Nd3 (17...h5 18.Qe2=) 18.Bc3+= Nb4 19.Rfc1 (19.Rac1 Bd3 20.Bb4 Bf1 21.Bf8 Bc4+-) 19...Bf5 20.Qe2 (20.Qe2 Bg6 21.h3+=) 1–0. DEFFM – GuestGRDH, freechess.org, 2019.

6.ab5 a5 7.d3 Bd6+= 8.Ra4 (8.Nf3!?+=) 8...0-0-/+ 9.f4 (9.Nf3 Nbd7-/+) 9...Nbd7 10.Nf3 Re8 11.Ne5 (11.Nbd2 e5 12.fe5 Ne5 13.Be5 Be5 (13...Re5?! 14.Ne5 Be5 15.Be2+=) 14.Ne5 Re5–+) 11...Qc7 (better is 11...Qb6 12.Kf2 Qb5–+) 12.Nf3? (better is 12.d4 Nb6 13.Ra2-/+) 12...e5 13.f5 (13.fe5 Ne5 14.Qe2 Neg4–+) 13...Nb6 14.c4 (14.Rh4 Bf5 15.Nfd2 Qc5–+) 14...Na4 15.Qa4 Bf5 16.cd5 (16.Nbd2 Bb4 17.Kd1 Ng4–+) 16...Bb4 17.Nbd2 Qc5 18.Ke2 (18.e4 Ng4 19.Kd1–+) 18...Ng4 19.d4 (19.Kd1 Qe3 20.Kc2 Rac8 21.Kb1–+) 19...ed4 20.Ke1 de3 0–1. nay (2215) – huimre (2695), net–chess.com, 2007.

6.ab5 a5 7.e3 Bd6 8.Nf3 0-0 9.c4 Nbd7 10.Nc3 b6 (10...dc4 11.Bc4 e5 12.d4=) 11.cd5= Nd5 12.Nd5 ed5 13.Be2 Nc5 14.0-0 Bd7 15.d4 Ne4 16.Nd2 (16.Ne5 Qh4=) 16...Qe8 The isolani on b5 becomes a target (16...Nd2!? 17.Qd2 Qh4=+) 17.Ne4= de4 The passed pawn on d4 will become decisive later 18.Ba3 (better 18.Qa4!?=) 18...Ba3-/+ 19.Ra3 Bb5 20.Bb5 Qb5 21.Rb3 Qc6 22.Qb1 Rfb8 23.Rc1 Qe6 24.h3 g6 (24...a4 25.Rb5-/+) 25.Rbc3 (25.Rb5 f5=+) 25...a4 (25...b5 26.Rc6 Qe8 27.R1c5-/+) 26.Rc6= Qb3 27.Qe4 a3 (27...b5 28.d5=) 28.R6c3 Qe6 (28...Qa2 29.Rb1=) 29.Qd3 (29.Qe6!? fe6 30.Ra1+-) 29...a2= 30.Ra1 b5 (30...Rc8 31.Rb3=) 31.Rc2 (31.Rb3 Ra5+=) 31...b4 32.d5 Qa6 (32...Qe5 33.Raa2 (33.Rca2?? Qa1 34.Ra1 Ra1 35.Kh2 b3–+) 33...b3 34.Ra8 Ra8 35.Rc1-/+) 33.Qa6+- Ra6 34.Rca2 (34.Raa2? b3 35.Rc8 Rc8 36.Ra6 b2–+) 34...Ra2 35.Ra2 b3 36.Rb2 Kf8 37.Kf1 Ke7 38.Ke2 f5 39.Kd3 Kd6 40.Kd4 Rb4 (40...g5 41.f3+-) 41.Kc3 Rb8 (41...Rb5 42.Rb3 Ra5 43.Rb7+-) 42.Rb3+- Rb3 (42...Ra8 43.Kc4 Ra4 44.Rb4+-) 43.Kb3 Kd5 44.Kc3 Ke4 45.Kd2 f4 46.f3 Kf5 47.Kd3 (47.e4!? Ke5+-) 47...fe3 48.Ke3 g5 (better 48...h5+-) 49.g3 h5 (49...Ke5+-) 50.g4 (50.f4 gf4 51.gf4 Kf6+-) 50...Kg6?? (better 50...hg4 51.fg4 Ke5+-) 51.Ke4+- hg4 52.hg4 Kf6 53.Kd5 Kg7 54.Ke6 Kg6 55.Ke5 Kg7 56.Kf5 Kh6 57.f4 (better 57.Kf6+-) 57...gf4= 58.Kf4 The passed pawn on g4 will quickly become a dangerous weapon 58...Kg6 59.g5 Kg7 60.Kf5 Kf7 61.g6 Kg7 62.Kg5 Kg8 63.Kh6 Kh8 64.g7 Kg8 65.Kg6 Threatening mate... how? ½–½. Markzela (1795) – destroyer_13 (2080), lichess.org, 2020.

6.ab5 a5 7.Nf3 Nbd7=.

6.ab5 Bb4 7.Nf3 Bd7 8.c4 (8.Be2 0-0+=) 8...dc4 (8...0-0 9.Bd4=) 9.Bc4 Qb6 (9...0-0 10.0-0=) 10.Bd4 Bc5 11.Bf6 gf6 12.Nc3 Bb4 13.Qb3 Bc3 (13...a5 14.ba6 ba6 15.0-0+=) 14.Qc3+- Bb5?? (better 14...Ke7+-) 15.Bb5+- Qb5 (15...Ke7 16.Rb1 Nc6+-) 16.Qc8 (16.Qc8 Ke7 17.Qh8+-) 1–0. GuestGMLC – GuestFRSK, freechess.org, 2018.

6.ab5 Qc7 7.Nf3 h6 8.Be2 Nbd7 9.d4 Bd6 10.Nbd2 Ng4 (10...0-0 11.Ba3+=) 11.h3 Nh2? (better 11...Ngf6+=) 12.Ne5!+- Ne5 (12...Be5 13.de5 Decoy; 12...Ne5 13.Nf3 Double attack (13.Nf3 Decoy; 13.Rh2 Interception)) 13.de5 Be5 14.b6! Qd6 (14...ab6 15.Ra8 Pinning (15.Ra8 Deflection); 14...Qb6 15.Be5 Deflection) 15.Be5 Qe5 16.Ra7 (16.ba7?! 0-0+-) 16...Rb8 17.Qa1 (17.Qa1 Qa1 18.Ra1+-) 1-0. DEFFM – GuestMBSW, freechess.org, 2021.

6.ab5 Ne4 7.d3 (7.Nc3 Nf6=) 7...Nd6 (7...Nf6 8.Nf3=) 8.c4 b6=. nay (2190) – nwishn (1900), net–chess.com, 2006.

6.c4 Bd7?? 7.cb5 a6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 Qa5 (better 10...Bd6=) 11.Be2?? (11.Be5 Qd8=) 11...Qa2 (better 11...Qa1 12.0-0 Bd6-+) 12.Nc3 (12.Be5 Qa8+=) 12...Qa5 13.0-0 Qb6 (13...Bd6 14.Qc2=) 14.Qb1 Bd6 15.Na4 Qc7 (15...Qa5 16.Bf6 gf6 17.Nc3+=) 16.Bf6+/- gf6 17.h3 (17.Rc1 Qd8+/-) 17...0-0 (17...Qa5 18.Nc3+=) 18.e4 (18.Rc1 Qa5 19.Nc5 Qb6+/-) 18...de4+= 19.Qe4 f5 20.Qh4 Qd8?? (better 20...f6+=) 21.Ng5+- Kg7 22.Qh7 Kf6 23.Qh6 Ke7 24.Nh7 Be5 (24...Rg8 25.Qh4 Ke8 26.Nf6 Kf8 27.Rc1+-) 25.Nf8 (25.d4 Bd6+-) 25...Qf8 26.Qf8 Kf8 27.Nc3 Ke7 28.Bf3 b6 29.Re1 Bd6 (29...Bd4 30.h4+-) 30.Nd5 (30.Ra1 Be5 31.Ra8 f4+-) 30...Kd8 31.Nb6 Bb5 32.Nc4?? (32.d4 Nc6 33.Rd1 Nb4+-) 32...Bc7?? (better 32...Bc4 33.d3 Bb5=+ (33...Bd3? 34.Rd1+-)) 33.Ne3 (33.Ne5 f6 34.Nf7 Ke7+-) 33...Ke7 (33...Nc6 34.Bc6 Bc6 35.d4+-) 34.Rc1 (34.Nd5!? Kd6 35.Nc7 Kc7 36.Rc1 Kb6+-) 34...Na6 35.d4 Bb6 36.d5 e5 (36...Nc7+-) 37.Nf5 Kd7 (37...Kf6 38.Rb1 Kf5 39.Rb5+-) 38.Ne3 (better 38.Rb1 Nc7 39.d6 Bd3 40.Rb6 Bf5 41.dc7 Kc7 42.Rb7 Kd6 43.Rf7 Bb1+-) 38...Bd4 39.Rb1 (better 39.Bh5 f6+-) 39...Ba4 (39...Bd3 40.Rb7 Nc7+-) 40.Ra1 (better 40.Rb7 Kd8+-) 40...Nc5?? (better 40...Ba1 41.h4 Nc5-/+) 41.Rc1+- Bb2 (41...e4 42.Bh5 f6 43.Bf7+-) 42.Rf1 (better 42.Rc5 Bd4 43.Ra5 Be3 44.fe3+-) 42...Bd4 43.Nc2 (better 43.Bh5 f6 44.Rb1+-) 43...Bc2-/+ 44.Rc1 Bb3 45.Rb1 Kd6 46.g4 Bd5 47.Bd5 Kd5 48.h4 e4 (48...Ne4 49.Rd1 Ke6 50.Kg2 Bf2 51.h5-/+) 49.h5 Be5 (49...Nd3 50.Rb5 Ke6 51.Rf5=+) 50.g5 (50.h6 Nd7=) 50...Nd3 (50...Ne6!?-/+) 51.Rb5 Kc4 52.Re5? (better 52.Ra5 Bc3 53.Ra4 Kd5 54.h6=) 52...Ne5-+ 53.Kg2 f6?? (better 53...Nf3 54.Kg3 Ng5-/+) 54.Kg3?? (better 54.gf6 Kd5 55.Kg3=) 54...fg5-+ 55.h6 Nf7 56.Kg4 (56.h7 Kd4-+) 56...Kd5 (56...Nh6 57.Kg5 Nf7 58.Kf6-+) 57.h7 Kd4 (57...Ke5 58.Kg3-+) 58.Kh5?? (58.Kf5 Nh8 59.Kf6-/+) 58...Kd3 (better 58...Ke5 59.Kg4 Kf6-+) 59.Kg6+/-. Jimito100 (1970) - Amirov12345 (2210), Hourly Bullet Arena, lichess.org, 2020.

7.c4 ab5 8.Ra8 Qc7 9.cb5 (better 9.Bf6!? gf6 10.cd5 Bd7+-) 9...Bd6 10.Nc3 (10.Bf6 gf6 11.Nf3 Nd7+-) 10...0-0 11.Nf3 Nbd7 12.d4 Nb6 13.Ra1 Bb4 (13...Bd7 14.Ne5!+-) 14.Qb3 Qc3 (14...Bd6+-) 15.Bc3 Bc3 16.Qc3 Ne4 17.Qc2 (17.Qc7 e5+-) 17...Bd7 18.Bd3 (better 18.Qc7 Bb5 19.Bb5 Nc4 20.Bc4 dc4 21.Qb7 Nd6+-) 18...Rc8 19.Be4 (better 19.Qb1!? Nc3 20.Qb4 Be8+-) 19...Rc2 20.Bc2 g6 21.0-0 (21.Ra7 Bc8+-) 21...Bb5 22.Rfb1 1-0. ClayPigeons (2085) - tHeStReEtGeNiUs (2185), Rated Bullet game, lichess.org, 2020.

7.c4 Qb6 8.Nf3 Bd7 (8...Nbd7 9.Nc3+-) 9.Nc3 (9.Bf6 gf6 10.cd5 Bg7+-) 9...Bb4 (9...dc4 10.Bc4 Bd6 11.0-0+-) 10.Qb3+- 0-0?? (better 10...Qd6+-) 11.Qb4 Rc8 (11...dc4 12.Bc4 Bb5 13.Nb5+-) 12.Ne5 (12.cd5 ed5 13.Bd3 Be6+-) 12...dc4 (12...Be8 13.d4+-) 13.Bc4 (better 13.Nc4 Qc5 14.Qc5 Rc5 15.d4 Rb5 16.Nb5 Bb5 17.Nb6 Bf1 18.Na8 Bg2 19.Rg1+-) 13...Nd5 (13...Bb5 14.Nb5 Nc6+-) 14.Nd5 ed5 15.Bd5 Bb5 (15...Be6 16.Bd4 Qb5 17.Qb5 ab5 18.Ra8 Bd5+-) 16.Bf7 Kh8 17.Ng6 hg6 18.Qh4 1–0. DEFFM – GuestPWMK, freechess.org, 2019.

7.c4 dc4 8.Bc4 Nbd7 9.Nf3 Nb6 10.Be2 Bd7 11.Nc3 (11.ba6 ba6 12.Ra6 Ra6 13.Ba6 Bd6+=) 11...ab5 12.Ra8 Na8 13.Bb5 (13.Nb5 Bc6+=) 13...Be7 14.Bd7 Qd7 (14...Nd7 15.0-0=) 15.0-0 (15.Ne5!? Qd8 16.Qa4 Kf8 17.Qa7+-) 15...0-0= 16.d4 Rd8 (16...b5 17.Ne5 Qb7 18.Ng4=) 17.Ne5+= Qe8 18.Qb3 Nc7 (18...b6!?+=) 19.Qb7+- Ncd5 20.Nd5 Nd5 21.Nc6 Rd7 22.Ne7 Qe7 23.Qa8 Rd8 24.Qa1 g6 25.g3 Nb6 26.Ba3 Qd7 27.Bc5 Nc4 28.Rc1 (28.Qc3 Nd6+-) 28...Nd2 29.Qa5?? (29.Bb6 Nb3 30.Qb2 Nc1 31.Bd8 Nd3+-) 29...Ne4?? (better 29...Nb3 30.Qc3 Nc1 31.Qc1 e5-/+) 30.Qb6 (30.Bb4 Rb8+-) 30...Ng5 31.h4 Nf3 (31...Ne4 32.Qa5+-) 32.Kf1 (better 32.Kg2!? Nd2 33.f3+-) 32...Qd5+= 33.Ba3 (33.Bb4 Nh2 34.Ke1 e5=) 33...Nd2 (33...Nh2 34.Ke1 Ra8 35.Bb2 Qh1 36.Kd2-/+) 34.Ke2+= White gets deadly initiative 34...Nc4 35.Qc5 Qc5? (better 35...Na3!? 36.Qa3 Ra8+=) 36.Bc5+- Na5 37.Bb6 Nb3?? (better 37...Rd5+-) 38.Rc3 Na1 (38...Nd4 39.Bd4 Kf8+-) 39.Bd8 Nc2 (39...Kf8+-) 40.Rc2 (40.Rc2 Kg7 41.Bc7+-; 40.Bf6 Nd4 41.ed4 h6 42.Rc8 Kh7 43.Rh8) 1–0. BeepBeepImAJeep (2565) – Roifou (1900), lichess.org, 2018.

7.c4 dc4 8.Bc4 Be7 9.Nf3 0-0 10.0-0 Bd6 11.Be5=.

7.c4 dc4 8.Bc4 Be7 9.Nf3 0-0 10.0-0 Bd7 11.Ne5 Bc8 12.d4 a5 13.Bd3 b6 (13...Nbd7 14.Qc2+=) 14.Qf3+/- Qd5 15.e4 Qd8 16.Rc1 Bb7 17.Nc6 Nc6 18.bc6 Ba6 19.Ba6 Ra6 20.Nc3 Qd4?? (better is 20...b5 21.Nb5 Qb6+/-) 21.Nd5+- Qb2 22.Ne7 Kh8 23.c7 Raa8 24.c8Q Rac8 25.Nc8 Ng8 (25...Qb4 26.Qe3+-) 26.Qa3 Qa3 27.Ra3 Rc8 (27...Nf6+-) 28.Rc8 b5 (28...g6+-) 29.Ra5 b4 (29...h6 30.Raa8 Kh7 31.Rg8 b4+-) 30.Rg8! Kg8 (30...Kg8 31.Ra8) 31.Ra8 1–0. DEFFM – DEADCROSS, freechess.org, 2018.

7.c4 dc4 8.Bc4 Be7 9.Nf3 0-0 10.0-0 Nbd7 11.d4=.

7.c4 dc4 8.Bc4 Be7 9.Nf3 0-0 10.0-0 Ne4 11.Qc2 (better is 11.d4+=) 11...Nd7?? (11...Nd6 12.Bd3 f5 13.Be2+=) 12.d3 (better is 12.Qe4 Nb6 13.Be2+-) 12...Nd6= 13.Nbd2 Nb6 14.Rfc1 (14.ba6 ba6 15.Rfb1 Bb7+=) 14...Ndc4 15.dc4 Nd7 16.Qc3 (16.Ba3 Ba3 17.Ra3 Nc5+=) 16...Bf6= 17.Nd4 (17.Qb4 Qe7 18.Qe7 Be7+=) 17...Nc5 18.Qc2 (18.ba6 Ra6 19.Ra6 Na6+=) 18...g6 (18...e5!? 19.N2b3 ed4 20.Nc5 de3 21.ba6 ef2 22.Qf2 Bb2 23.Qb2 ba6+=) 19.N2b3 (19.Ne4 Ne4 20.Qe4 Qd7+/-) 19...Na4?? (better is 19...Nb3 20.Nb3 e5+=) 20.Ra4+- 1–0. DEFFM – GuestHuso, freechess.org, 2016.

7.c4 Bd7 8.Nc3 Qb6 9.Nf3 a5?? 10.Be2?? (better 10.Na4!? Qd8 11.Bd4+-) 10...Bd6 (10...dc4 11.Bc4 Qc7 12.d3=) 11.0-0 (11.Na4 Qd8+-) 11...dc4+= 12.Bc4 0-0 13.d4 (13.Na4 Qc7 14.Bf6 gf6+=) 13...Qd8 (13...Qc7!? 14.Bd3 Rc8+=) 14.Ne5 b6 15.Be2 Qe7 (15...Ra7 16.Ba3 Qe7 17.Bd6 Qd6 18.Na4+-) 16.Bf3 (16.Nc4!? Rd8 17.Nb6 Ra7+-) 16...Ra7+- 17.Nc6 Nc6 (17...Bc6!? 18.bc6 Rc8+-) 18.bc6+- (18.Bc6?! Rc8=) 18...Bc8 19.Nb5 Rc7? (better 19...Ba6 20.Nd6 Qd6+-) 20.Nd6+- (20.Nc7?! Qc7 21.Ba3 Ba3 22.Ra3 Ba6+-) 20...Qd6 21.Ba3 Qd8 22.Bf8 Kf8 23.Rb1 (23.Qb3 Nd5 24.Qb5 Ra7+-) 23...Ra7 (23...Ba6 24.Re1 b5 25.Qd2+-) 24.Qb3 Ra6 (24...Ba6 25.Rfc1 b5 26.Qa2+-) 25.Qb5 Qc7 26.Rfc1 Ne8 27.Be2 Nd6 (27...Nf6 28.Qe5 Ra7 29.Bf3 Qe5 30.de5+-) 28.Qb3 (28.Qh5 Kg8 29.Ba6 Ba6+-) 28...Ra8 29.Qb6 Qb6 30.Rb6 (30.Rb6 a4 31.Ra1+-) 1–0. BeepBeepImAJeep (2610) – prashnakrisad (2135), lichess.org, 2019.

7.Nf3 Qb6 8.c4 Bd7 9.Ne5 dc4= 10.Nc4 Qb5? (better 10...Qd8 11.Nc3 Bb4+=) 11.Nd6!+- Bd6 12.Bb5 Bb5 13.Bf6 gf6 14.Qf3 Bc6 15.e4 (15.Qg4 Nd7 16.d4 f5+-) 15...Be5 16.Nc3 f5 17.Qh5 (better 17.Qe3 fe4 18.d4+-) 17...Be4? (better 17...Bc3 18.dc3 Be4+-) 18.Ne4+- Ba1 19.Ng5 Rf8 20.Ne6 Be5 21.Nf8 Kf8 22.Qh6 Ke7 23.Qh7 Nd7 24.Qf5 Rc8 25.0-0 Rh8 (25...Rc6+-) 26.Re1 f6 27.d4 Kf7 (27...Rf8+-) 28.Qd7 Kg6 29.de5 fe5 30.Re5 Rh7 (30...Re8 31.Qg4 Kf6 32.Qf4 Kg7 33.Rg5 Kh7 34.Qh4) 31.Qe6 Kg7 32.Rg5 Kh8 (32...Kf8 33.Rg8) 33.Rg8 1-0. DEFFM – GuestBWKX, freechess.org, 2021.

7.Nf3 Bd7 8.ba6 Na6 9.Ne5 g6 (better is 9...Be7=) 10.Nd7+- Qd7?? (better is 10...Kd7 11.Bb5 Kc8+-) 11.Bf6 Rg8 12.Nc3 Bg7 (12...Rc8 13.Bb5 Rc6 14.e4 de4 15.Ne4+-) 13.Bg7 Rg7 (13...Ke7 14.Bd4+-) 14.Bb5 Qb5 15.Nb5 Rc8 (15...Rd8 16.Qf3+-) 16.Nd6 Kd7 17.Nc8 Kc8 18.c4! dc4 19.Qc2 b5 20.Qb2 Nc7 21.Qg7 (21.Qg7 Kb7 22.Qf7+-) 1–0. pierre – possibly, internet, 2010.

7.Nf3 Bd7 8.c4 dc4 9.Bc4 Nd5 (9...Bd6!?=) 10.Ne5+= Nb6? (10...Nf6 11.Qf3 Qc7 12.ba6 Na6 13.0-0+/-) 11.ba6?? (11.Qf3 Qe7 12.Qb7 Qd8 13.ba6 Bc5+-) 11...Na6?? (11...Nc4 12.Nc4 Ra6 13.0-0=) 12.Ba6?? (better is 12.Qf3 Qc8 13.Qf7 Kd8 14.Nd7 Qd7 15.Be6 Qf7 16.Bf7+-) 12...ba6+= 13.Nd7 (13.Qf3 Qf6 14.Qb7 Qd8+/-) 13...Qd7 14.Qf3 Ra7 (14...Qd5!?=) 15.Bd4+/- Qc7 (15...Rc7 16.0-0 Na4 17.Qa8 Rc8 18.Qa6+/-) 16.Nc3 f6 (16...Bc5 17.Bg7 Rg8 18.Bf6+/-) 17.0-0 Bc5?? (better is 17...e5 18.Nd5 Nd5 19.Ba7 Nb4 20.Qa8 Qd8+-) 18.Qh5+- Ke7 (18...Kd7 19.Bc5 g6 20.Bb6 gh5 21.Bc7 Rc7 22.Ra6+-) 19.Qc5 Qc5 20.Bc5 Kf7 21.Bb6 Rd7 (21...Raa8 22.Ra5+-) 22.d4 Rc8 23.Ne4 Ra8 24.Nc5 Rd6 25.Bc7 (25.Rfb1!? Rc6+-) 25...Rc6 26.Bg3 a5 (26...g5 27.f4 g4 28.f5 ef5 29.Rf5+-) 27.Rfb1 Rc7 (27...g5 28.Rb5+-) 28.Rb6 (better is 28.Bc7 a4+-) 28...Rca7 (28...Re7 29.Bd6 Rea7 30.Rb5+-) 29.Rb7 (better is 29.Ne6!? Rc8+-) 29...Rb7 30.Nb7 a4 31.Nd6 (31.Ra3 Ke7+-) 31...Ke7 32.Nc4 g5 (32...Ra6 33.f4+-) 33.h3 (33.Bd6 Ke8+-) 33...h5 (33...Ra6 34.Ra3+-) 34.Bd6 Kd7 (34...Ke8 35.Nb6 Ra6 36.Bc5+-) 35.Nb6 Kd6 36.Na8 h4 (36...Kc6 37.Ra4 Kb7 38.e4+-) 37.Ra4 e5 (37...Kc6 38.Ra7+-) 38.Ra6 Kd5 39.Nc7 Ke4 40.Rf6 (40.d5 Kd3 41.d6 g4 42.d7 Kd2 43.d8Q Kc3 44.Rc6 Kb2 45.Qb8 Ka3 46.Ra6) 40...Kd3 41.de5 Ke2 42.e6 (42.Rd6 Ke1 43.Nb5 g4 44.Nc3 gh3 45.Rd1) 42...Kd2 43.e7 (43.e7 Kc3 44.e8Q Kc2 45.Rc6 Kd3 46.Qd8 Ke2 47.Rc2 Ke1 48.Qd2) 1–0. DEFFM – UTDUN, freechess.org, 2017.

7.Nf3 Bd7 8.c4 Be7 (8...dc4 9.Bc4 Bd6 10.0-0=) 9.cd5 ed5 10.Nc3 (10.Be5 0-0=) 10...Be6 (10...0-0 11.Be2=) 11.Nd4 (11.ba6 ba6 12.Qa4 Nfd7 13.Be2=) 11...Nbd7 (better is 11...0-0!?=) 12.ba6+/- ba6 13.Ra6 Ra6 14.Ba6 Qb6 (14...Bc5 15.Nb3+/-) 15.Bb5 0-0 16.Ne6 (16.0-0 Rc8+/-) 16...fe6 17.Qe2 Ne5 (17...Qd6 18.0-0+/-) 18.Nd5! ed5 (18...ed5 19.Be5 Discovered attack; 18...Nd5 19.Be5 Discovered attack) 19.Be5+- Bd6 (19...Ne4 20.0-0+-) 20.Bf6 Rf6 21.0-0 (21.Qd3 Qc5 22.0-0 Kh8+-) 21...Rh6 (21...Qc7 22.f4+-) 22.h3 Re6 (22...Qb7 23.d4+-) 23.Rc1 d4?? (23...Bf8+-) 24.Rc8 (better is 24.Bc4!? Ba3 25.Ra1 Kf8 26.Be6 Qe6 27.Ra3 h6+-) 24...Kf7 25.Qh5 (better is 25.Qf3 Kg6 26.Bd3 Kh6 27.Rh8 Bh2 28.Kh1+-) 25...Rg6 (25...Kf6 26.Bd3 Re5 27.Qf3 Ke7 28.Qf8 Ke6 29.Bc4 Kd7 30.Bb5 Qc6 31.Bc6 Ke6 32.Re8 Be7 33.Qe7 Kf5 34.Qf7 Kg5 35.Re5 Kh4 36.Qf4) 26.Qf5 Rf6 27.Be8 Ke7 (27...Kg8 28.Qd5 Re6 29.Qe6 Kh8 30.Bc6 Qd8 31.Rd8 Bf8 32.Rf8) 28.Qd7 Kf8 29.Bh5 (29.Bh5 Qd8 30.Qd8; 29.Bf7 Qd8 30.Rd8) 1–0. DEFFM – aiueo, freechess.org, 2018.

7.Nf3 Bd7 8.Be5 Be7+=.

7.Nf3 Bd7 8.Ne5 Bd6= 9.Nd7 Qd7 10.f4 (better is 10.Bf6 gf6 11.ba6 ba6 12.Qg4=) 10...ab5?? (better is 10...Be7=) 11.Ra8+- Ne4 (11...b4 12.Bf6 gf6 13.Qg4+-) 12.Bg7 Rg8 13.Be5 (13.Bd4 Rg6+-) 13...Be5 14.fe5 Qc7 15.Qh5 Rg7 (15...Ke7 16.Qh7 Rf8 17.Qh4 f6 18.ef6 Nf6 19.Qb4 Qd6 20.Qd6 Kd6 21.Bb5+-) 16.Bb5 Ke7 (16...Kf8 17.d3 Nc3 18.Nc3 Qc3 19.Kd1+-) 17.0-0 Nc6 (17...Kf8+-) 18.Bc6 Qc6 19.Qh6 Rg5 20.Qf8 Kd7 21.Qf7 (21.Rf7) 1–0. DEFFM – GuestVHPV, freechess.org, 2018.

7.c4 Bb7 8.Nf3 Nbd7 9.Nc3 Be7 (9...dc4 10.Bc4 Bd6 11.d4=) 10.Be2 (10.cd5 ed5 11.Be2 0-0+=) 10...0-0 11.0-0 (11.cd5 Nd5 12.Nd5 Bd5=) 11...h6 (11...dc4 12.Ra4=) 12.Qc2 (12.cd5 Nd5 13.Nd5 Bd5+=) 12...Qc7 (12...dc4 13.Bc4 Bd6 14.Be2=) 13.Rac1 (13.cd5 Nd5 14.Rfc1 Bd6+=) 13...Qd6 (better 13...dc4!? 14.Nb1 a5=+) 14.cd5+= Nd5 15.Nd5 Qd5 16.Bc4 (16.Qa4 Rfc8+=) 16...Qd6 17.Bd3 (17.e4 Rfc8=) 17...Nf6 (17...Rac8 18.Bc4=+) 18.Bf6 Bf6 19.Bh7 Kh8 20.Be4 Be4 21.Qe4 Be7 (21...a5 22.ba6 Ra6 23.Rc6+=) 22.Rc6 Qd7 23.Rfc1 Bc5 (23...a6 24.ba6 Ra6 25.Qb1+=) 24.d4+- Ba3 (24...Bd6 25.Kh1+=) 25.Rc7 (25.Ne5!? Qb7 26.R1c2+-) 25...Qb5+= 26.Ra1 Qb2 The mate threat is Qxa1 27.Rb1 (27.Rf1 Rac8 28.Ra7 Kg8+=) 27...Qa2 28.Ne5 (28.Rf7! Rf7 29.Qa8 Rf8 30.Qe4+=) 28...f5= 29.Ng6 (29.Qd3 Rfc8 30.Rc4 Rc4 31.Nc4 Be7=) 29...Kg8=+ 30.Qd3 Bd6 (30...Rfc8 31.Ne7 Be7 32.Re7=+) 31.Rc2?? (better 31.Rd7 Rfd8 32.Ne7 Kh7 33.Rb7=+) 0–1. aravind555 – Lehmimann, lichess.org, 2019.

7.c4 Nbd7 8.d4 dc4 9.Bc4 Bd6? 10.Nf3 (better 10.Qf3!? Rb8 11.Ra7+-) 10...Bb7= 11.Nbd2 h5 (11...0-0!?=) 12.0-0+/- Qe7 13.Qb3 Rd8? (better 13...0-0+/-) 14.Ra7+- Nf8 15.Rd1 Ng4 (better 15...Rd7+-) 16.Ne5?? (better 16.Ba3+-) 16...Be5=+ 17.de5 Qh4 18.Rb7 Qf2 19.Kh1 Rd2?? (better 19...Ne3 20.Rg1 Qd2+= (20...Rd2 21.Rb8 Rd8 22.Rd8 Kd8 23.Bd4+-)) 20.Rg1?? (20.Rb8 Kd7 21.Bf1 Ng6+- (21...Ne3 22.Rd2 Kc7 23.Qc3 Nc4 24.Rf2 Kb8 25.Rf7 Nh7 26.Qc4 Rc8 27.Qd4 Rc2 28.Qd8 Rc8 29.Qb6 Ka8 30.Ra7)) 20...Nh2 (better 20...Qh4 21.Rb8 Kd7 22.Be6 Ne6 23.Qd5 Rd5 24.Rb7 Ke8 25.h3 Qg3 26.Re7 Ke7 27.Ba3 Ke8 28.hg4 hg4) 21.Be6?? (better 21.Rb8 Rd8 22.Rd8 Kd8 23.Ra1+-) 21...Ng4?? (better 21...Ne6 22.Qb4 Nc5 23.Rb8 Kd7 24.Qd2 Qd2 25.Rh8 Ng4 26.e6 fe6-+) 22.Bf7 (22.Rb8 Rd8 23.Rd8 Kd8 24.Qd5 Ke8 25.Qc6 Kd8 26.Qc8 Ke7 27.Ba3) 22...Kd8-+ 23.Rb8 Ke7 (23...Kc7 24.Rc8 Kc8 25.Qe6 Ne6 26.Rc1 Kb8 27.Rc8 Rc8 28.Be6 Qg2) 24.Ba3 (24.Re8 Kd7 25.e6 Kd6 26.Qb4 Kc7 27.Qc4 Kb7 28.Qc6 Ka7 29.Ra8) 24...Kd7 25.e6 (25.Rb7 Kd8 26.Be7 Kc8 27.Rc1 Rc2 28.Rc2 Qc2 29.Qc2 Kb7 30.Bd5 Kb8 31.Bd6 Ka7 32.Qc7) 25…Ne6 (25...Ne6 26.Qe6 Kc7 27.Qb6 Kd7 28.Qc6). ClayPigeons (2135) - Zaynuri (2145), Rated Bullet game, lichess.org, 2021.

7.c4 Nbd7 8.Nf3 Bb7 9.d4 Bb4 10.Nc3 Ne4 11.Qc2 Bc3 12.Bc3 Nc3 (12...dc4 13.Rd1+= (13.Bc4 Rc8 14.Ra4 Qc7 15.0-0 Qc4 16.Rc4 Rc4 17.Qb2-/+) A) 13...Rc8 14.Be2 (14.Bb4 Qf6 15.Rc1 Bd5 16.Bd3 Ng5 17.Ng5+=) 14...Qf6 15.Ra1 Qg6 16.Rg1 Bd5 17.Ra7+=; B) 13...Bd5 14.Nd2 Nd2 15.Bd2 Qh4 16.Bb4 Nf6 17.Ra1+=) 13.Qc3 dc4 14.Bc4 (14.Qc4 Bf3 15.gf3 0-0 16.f4 Rc8 17.Qd3=) 14...Bf3 15.gf3 0-0 16.Ke2 (16.Bd3 Rc8 17.Qb4= (17.Qb2 Rc7=)) 16...Qf6 17.h4 (17.Bd3 Rfc8 18.Qb4 Rc7=) 17...Rfc8+= 18.Qb4 Rc7 19.Bd3 Rac8 20.Qd6 Nf8 21.Be4 Qe7 (21...Qh6!?=) 22.Qe7+/- Re7 23.Rhc1 Rec7 24.Rc7 Rc7 25.Kd2 Nd7 26.Rc1 (26.f4 Nf6 27.Bd3 g6+=) 26...Rc1 27.Kc1 Nb8 28.Bc6 (28.f4 g6+=) 28...a5= 29.ba6?? (29.f4 Kf8 30.Be4 g6=) 29...Na6?? (better is 29...Nc6 30.f4 Kf8–+) 30.Kb2 h5 31.Kb3 f6 (31...Kf8 32.Kc4 Nc7 33.f4=) 32.Kc4 Nc7 33.e4 (33.f4 Kf7+=) 33...g5 34.e5?? (better is 34.d5 ed5 35.ed5=) 34...gh4–+ 35.f4 h3 36.Kd3?? (better is 36.Bh1–+) 36...Nd5 37.Bd5 (37.Bd7 Kf8 38.Ke2–+) 37...ed5 38.e6 h2 39.e7 Kf7 (39...Kf7 40.f5 h1Q 41.e8Q Ke8–+) 0–1. Trkn – Pasatov, itsyourturn.com, 2000.

7.Qf3 Be7 8.Bd4 (8.Qg3 0-0 9.Be5 Nbd7 10.Bc7 Qe8 11.Nc3 Bb7=; 8.Bd3 Nbd7 9.Be2 Qc7 10.Nc3 Bd6 11.Qh3 e5=) 8...Bd6 9.Bf6 Qf6 10.Qf6 gf6 11.Nc3 Bb7=.

7.Nf3 Bc5 8.c4 (8.Bd3 0-0+=) 8...0-0= 9.Na3 (9.d4 Bb4 10.Bc3 Be7=) 9...Nbd7 (9...Bb7 10.Be2=) 10.Be2= h6 (10...a5 11.0-0=) 11.0-0 Bb7 (11...a6 12.Nc2 Nb8 13.cd5 Nd5 14.Ra2+=) 12.cd5 ed5 (12...Nd5 13.d4 Bb4 14.Qb3+=) 13.Nc2 Qc7 (13...Bd6 14.Ncd4+=) 14.Ncd4+/- Nh7 (14...Rfc8 15.Qb1+/-) 15.Nf5 Ndf6 16.d4 Be7? (16...Bc8 17.Nh6! gh6 18.dc5 bc5 19.Qc2+-) 17.Ne5 (17.Ne7 Qe7 18.Ba3 Qe6 19.Bf8 Nf8+-) 17...Bd6? (17...Ne4 18.Qd3+-) 18.Qa4 (better is 18.Nd6!? Qd6 19.Ba3+-) 18...Be5 19.de5 Ne4 20.Rfc1 Qd7 21.Bg4 g6?? (better is 21...Qd8+-) 22.Nh6 Kg7 23.Bd7 Kh6 24.Rc7 Rab8 25.f3 Nc5 26.Qh4 Kg7 27.e6 f6 (27...Kg8 28.Qh6 Nf6 29.Bf6 Nd7 30.Qg7) 28.Be8 (28.Be8 Nd7 29.Rd7 Rf7 30.Rf7 Kg8 31.Qh7; 28.Bc6 Nd7 29.Rd7 Rf7 30.Rf7 Kg8 31.Qh7) 1–0. Marcus – 7739, internet, 2018.

7.Nf3 Be7 8.d4 0-0 9.Bd3 a6 10.0-0 a5 11.Ne5 Nbd7? (better 11...Qc7!?+=) 12.Nc6+- Qe8 13.Ne7 Qe7 14.Ba3 Qe8 (14...Qd8 15.Bf8 Qf8 16.Nd2+-) 15.Bf8 (15.Nd2 Bb7+-) 15...Qf8 16.Ra4 Qe8 (16...Bb7 17.f4+-) 17.c4 e5 (17...Bb7 18.Nc3+-) 18.cd5 (18.Nc3 e4 19.Be2 Bb7+-) 18...Nd5 19.Bh7! Kh7 20.Qc2 Kg8 21.Qc6 Nc7? (21...Ba6 22.ba6 Nb4+-) 22.Qc7 Rb8 23.Nd2 Rb7 24.Qc6 Qd8 (24...Rb8 25.Nc4 Bb7 26.Qc7+-) 25.Rc1 (25.Rc1 Rb8 26.Qd6+-) 1–0. DEFFM – GuestHGYP, freechess.org, 2019.

7.Nf3 Be7 8.d4 Nbd7 9.Bd3 h6 10.0-0 Bb7 11.Nbd2 Qc8 (11...0-0 12.c4+-) 12.c4 (12.Qe2 0-0+-) 12...a5 13.Rc1 (13.ba6 Ba6 14.Qb3 0-0+-) 13...Qd8+= 14.Ne5 (14.Qa4 0-0+=) 14...Ne5 15.de5 Nd7 16.Qg4 0-0 17.Bd4 (17.cd5 Nc5 18.Bc2 Bd5+=) 17...Rc8 18.cd5 Rc1 19.Rc1 Bd5 20.Ne4 (better 20.Bc2=) 20...Be4? (20...a4!?=) 21.Qe4+- (21.Be4?! a4=) 21...Qb8?? (better 21...g6 22.Rc6 Nc5 23.Bc5 Bc5 24.Re6 Qd7+- (24...fe6?? 25.Qg6 Kh8 26.Qh7)) 22.Qh7 1–0. DEFFM – MrKeres, freechess.org, 2020.

7.Nf3 g6 8.c4 dc4 9.Bc4 Bg7 10.Be2 0-0 11.0-0 Bb7 12.d4 Qd5 13.Ne5 Qg2 0–1. axtur777 – Eldar1997, lichess.org, 2020.

8.c4 Bb4 9.Qa4 Bc5 (9...Bd6 10.Be2=) 10.d4 Be7 11.Bd3 0-0 12.0-0 Nbd7 (12...dc4 13.Bc4 a6 14.Nbd2=) 13.cd5+= Bd5 (13...Nd5 14.Ba3+=) 14.Nbd2+/- Qb8 15.e4 Bb7 16.Rfc1 Ng4 (16...Qf4 17.g3 Qb8 18.Ba3 Ba3 19.Qa3+=) 17.h3 f5?? (better is 17...Ngf6+/-) 18.hg4 fg4 (18...fe4 19.Be4 Be4 20.Ne4+-) 19.Qc4 gf3 (19...Kf7 20.Qc7 Rd8 21.Qb8 Rab8+-) 20.Qe6 Kh8 (20...Rf7 21.Qd7 Ba3 22.Bc4 Bb2 23.Qf7 Kh8 24.Be6 Ba1 25.Rc8 Qc8 26.Bc8 Rc8 27.Qb7 Rc1 28.Kh2+-) 21.Qe7 Nf6 (21...Qf4 22.Nf3 Rf7+-) 22.Rc7 (22.Rc7 Rg8 23.e5+-) 1–0. GuestDRTL – Guestkkky, freechess.org, 2017.

8.d4 Bb4 9.Nbd2 0-0 10.Bd3 Nbd7 (10...a5 11.0-0=) 11.c3 Bd6 12.0-0 Re8 13.c4 e5 14.de5 Ne5 15.Ne5 Be5 16.Be5 Re5 17.Nf3 Rh5 18.cd5 Bd5 19.Ra4 Qd6 (19...Qc7 20.e4 Be6 21.Qe2=) 20.e4+/- Ng4? Pawn h2, live or die! (better 20...Bb7+/-) 21.h3 Be6 (21...Nf6 22.Rd4 Rd8 23.Re1+- (23.Rd5 Nd5 24.ed5 Rd5-/+)) 22.e5 (22.hg4?! Bg4 23.Re1 Qh6+/-) 22...Ne5 (22...Qd7 23.hg4 Bg4+-) 23.Bh7! Kh7 (23...Kh7 24.Qd6 Discovered attack; 23...Rh7 24.Qd6 Discovered attack) 24.Qd6 Nf3 25.gf3 Bh3 26.Qg3 (26.Qd3 Kh6 27.Qe3 Rg5 28.Kh2+-) 26...f6 (26...Bf1 27.Kf1 Kg8+-) 27.Rh4 Bf1 (27...Rh4 28.Qh4 Kg8 29.Qh3+-) 28.Rh5 Kg8 29.Qg6 (29.Kf1 Re8 30.Qd6 Re5+-) 29...Bb5 (29...Rd8 30.Rh7 Rd7+-) 30.Rh7 (30.Rh7 Kf8 31.Qg7 Ke8 32.Qe7) 1-0. wgr069 (2330) - KHASHAYARnajibii (1745), Daily Slow Rapid Swiss, lichess.org, 2021.

8.Be2 a6 9.0-0?? (9.ba6 Ba6 10.Bb5 Nfd7+-) 9...Nbd7?? (better 9...a5+=) 10.ba6+- Bc6 11.Nd4 Qc7 12.c4 (better 12.Nc3 Ne5+-) 12...Nc5? (12...dc4 13.Qc2 b5+-) 13.Nc6 Qc6 14.Nc3 dc4 (14...Kd8 15.a7+-) 15.Bc4 Be7 (15...Ncd7 16.Bb5 Qc8+-) 16.Bb5 (16.Bb5 Qb5 17.Nb5+-) 1–0. DEFFM – GuestHHTD, freechess.org, 2019.

8.Be2 Nbd7 9.0-0 Qc7 10.c4 (10.Ba3 Ba3 11.Ra3 0-0+=) 10...dc4= 11.Na3 (11.Ra4 Bd5=) 11...Bf3 (better 11...Ng4!? 12.g3 Ba3 13.Ra3 Qc5=+) 12.Bf3+= Rc8 (better 12...Nd5!?+=) 13.Nc4+- Qc4 (13...Be7 14.Qa4+-) 14.Rc1+- Qb5?? (better 14...Qc1 15.Bc1 Rc7+-) 15.Rc8 Ke7 16.Ba3 Nc5 17.d4 Kd7 18.Rf8 (18.dc5?! Kc8 19.cb6 ab6 20.Qc2 Bc5+-) 18...Rf8 19.dc5 (19.dc5 Nd5 20.Bd5+-) 1–0. DEFFM – GuestDLKJ, freechess.org, 2020.

8.Be2 Nbd7 9.0-0 Be7 10.c4 0-0 11.d4 (11.cd5 Nd5 12.d4 N7f6=) 11...dc4 (11...a5 12.ba6 Ra6 13.Ra6 Ba6 14.cd5 Be2 15.Qe2 Nd5 16.Rc1+=) 12.Bc4 Bd5 (12...Qc7 13.Bd3+=) 13.Bd3 (13.Bd5 Nd5 14.Qe2 Nb4+=) 13...h6 (13...Ne4 14.Nc3 Nc3 15.Bc3+=) 14.Nc3+/- Bb4 (14...Bb7 15.Qe2+/-) 15.Nd5 Nd5 16.Qb3 (16.Qa4 Qe7+/-) 16...Be7 (16...Bd6 17.Ba3 Qe7 18.Rfc1+/-) 17.e4 (17.Rfc1+/-) 17...Nb4 (better is 17...Nf4!? 18.Bc4 Re8+/-) 18.Bc4 a5 (18...Nb8 19.Ra4+-) 19.ba6 Qc8? (better is 19...Nb8+-) 20.Rfc1 Ra6 (20...Qd8 21.Bb5 Nf6+-) 21.Ba6 Qb8 (21...Qa6 22.Ra6 Na6 23.Ra1+-) 22.Bb5 Nf6 23.Ba3 Ng4 (23...Nbd5 24.ed5 Ba3 25.Qa3 Nd5 26.Ne5+-) 24.Bb4 Bb4 25.Qb4 Rc8 (25...Nf6 26.Bc6 Qf4 27.e5+-) 26.Qe7 (26.Rc8 Qc8 27.Qe7 Nf6+-) 26...Rc1 (26...Rf8 27.e5 h5 28.Qg5+-) 27.Rc1 Qf4 28.Rc7 h5 29.e5 Ne3 (29...Nf2 30.Kf2 Kh7 31.Bd3 Kh6 32.Rc8 Qd2 33.Nd2 f5 34.Rh8 Kg6 35.Ne4 fe4 36.Be4) 30.Bd3 Nf5 31.Qf7 (31.Qf7 Kh8 32.Qf8 Kh7 33.Qg7) 1–0. Janek – Gelam, internet free game, 2017.

8.Ba3 0-0 (8...Ba3 9.Ra3 0-0 10.d4 Nbd7 11.Bd3 Qe7+=; 8...a5 9.ba6 0-0 10.Bd6 Qd6 11.a7 Nc6=; 8...a6 9.d4 0-0 10.Bd3 Bb7 11.Bd6 Qd6=) 9.d4 a6 10.Bd3 Bb7 11.Bd6 Qd6=.

8.Bd3 Nbd7 (8...0-0 9.Qe2 Qe7 10.0-0 e5 11.e4 de4=) 9.Qe2 e5 10.e4 Qe7 11.Nh4 Nc5+=.

8.d4 0-0 (8...a5 9.Bd3 0-0 10.Ba3 Ne4 11.c4 f5+=) 9.Bd3 Ne4 10.Ba3 a6 11.Bd6 Qd6+=.

8.Be2 0-0 9.0-0 a5 10.ba6 Ba6 11.Nc3 Be2=.

8.Be2 0-0 9.0-0 Bb7 10.Nd4 Nbd7 11.f4 Rc8 (11...Nc5 12.Nc3+=) 12.Ra7 Qc7 13.c4 dc4 (13...Ra8 14.Ra8 Ra8 15.cd5 Nd5 16.Nc3+=) 14.Bc4 (14.Na3 Qb8 15.Rb7 Qb7 16.Nc4 Qc7+=) 14...Ra8= 15.Ra8 Ba8 (15...Ra8 16.Qc2=) 16.d3 (16.Qe2 Rc8 17.Rc1 Nc5+-) 16...e5 (16...Bb7 17.Nd2+-) 17.Nf5+- Nc5?? (better 17...Bc5+-) 18.Nd6+- Qd6 (18...ef4 19.Nf5 Ncd7 20.Rf4+-) 19.fe5 Qe7 20.ef6 Qe3 21.Rf2 gf6 (21...g6+-) 22.Bf6 Re8 (22...Qh6 23.Be7 Kh8 24.Bf8 Qf8 25.Rf7 Qg8+-) 23.Qg4 Kf8 (23...Qg5 24.Qg5 Kf8 25.Qg7) 24.Qg7 1–0. DEFFM – GuestZSHZ, freechess.org, 2019.

8.Be2 Nbd7 9.0-0 0-0 10.d4 Bb7 11.Nbd2 Qc7 12.h3 Rfc8 13.c4 dc4 14.Bc4 Ne4 15.Rc1 Qd8 16.Ne4 Be4 17.Nd2 Bb7 18.f4 Nf6 19.f5 Bd5 20.fe6 fe6 21.Qe2 Qe7 22.e4 Bc4 23.Nc4 Bb4 24.d5 (24.Ne5!? Rc1 25.Bc1+/-) 24...ed5= 25.Bf6 gf6 26.Qg4 Kh8 27.ed5 Rg8 28.Qf3 Bc5 29.Kh1 Raf8 30.Nd2 Qe5 (30...Qd7 31.Nb3 Qb5 32.Nc5 bc5 33.Qf2+/-) 31.Ne4 Bd4 32.Qf5 Rg7 33.d6 Qf5 34.Rf5 Be5 35.g4 Rd7 36.g5 Rdf7 (36...Re8 37.Nf6 Bf6 38.Rf6+- (38.gf6?! Rd6 39.Kg2 Rd2 40.Kg3 Rd3 41.Kf2 Rh3+=)) 37.gf6 Bf6 (37...Bd4+-) 38.Rf6 (38.Rf6 Rf6 39.Nf6 Rf6 40.d7+-) 1–0. Lorenc,Tomas (2090) – Ruzicka,Jiri (1655), Karlovy Vary op, 2009.

8.Be2 Nbd7 9.0-0 0-0 10.d4 Ne4 11.Nbd2 Ndf6 12.Ne4 Ne4 13.Nd2. DEFFM – GuestHQTQ, freechess.org, 2019.

8.Be5 0-0 (8...a5 9.ba6 0-0 10.a7 Nc6 11.d4 Bb4=; 8...a6 9.d4 0-0 10.Bd3 Bb4 11.c3 Bd6+=) 9.d4 a5 10.Bd6 Qd6 11.Ra4 Nbd7=.

8.Nc3 e5 9.Be2 Bd6 10.Ba3 Qc7 11.0-0 Ba3+=.

8.c4 Nc5 9.Be2 a6 10.0-0 a5 11.Ba3 Qc7 12.d4 Ncd7 13.Bf8 Kf8 14.cd5 Nd5 15.Qc1 Ra7 (15...Qc1 16.Rc1 Bb7 17.Nc3=) 16.Nbd2 (16.Qa3 Kg8+/-) 16...Ke7 (16...Qc1 17.Rfc1 Ke7 18.Ra4+=) 17.Qc7 (better is 17.Nc4!?+/-) 17...Rc7= 18.Rfc1 Rc1 19.Rc1 Bb7 20.Ne1 Rc8 21.Rc8 Bc8 22.Nd3 Nc3 23.Nc1 Nf6 24.Bd3 Bd7 25.Nc4 Bb5 26.Nb6 Bd3 27.Nd3 Nfd5 28.Nc4 a4 29.Na3 Kd6 ½–½. hal1958 – schnitzly, playchess.de, 2003.

8.d4 Bb4 9.Nbd2 a5 10.Bd3 0-0 11.0-0 Qe7=.

8.d4 Bb4 9.Nbd2 Bd2 10.Nd2+/- 0-0 11.Bd3 Qc7 12.0-0 Bb7 13.Qe2 Rfc8 14.Rfc1 Nf8 15.c4 dc4 16.Rc4 Qd7 (16...Qb8 17.Rc8 Qc8 18.Nc4+/-) 17.Rc8 (17.Rca4 Ng6+/-) 17...Qc8 18.Rc1 Qd7 19.e4 Ng6 20.h3 (20.Qe3!?+/-) 20...Nf4= 21.Qe3 Nd3 22.Qd3 a6 23.d5 ed5? (better is 23...Ne8=) 24.Bf6+- gf6 (24...Qe6 25.ba6 Ba6+-) 25.ba6?? (25.Qg3 Kh8 26.Rc7 Qe6 27.Rb7 ab5+-) 25...Ra6?? (better is 25...Ba6 26.Qf3 Rc8 27.Rc8 Qc8 28.Qg3 Kh8=) 26.Qg3+- Kf8 27.ed5?? (better is 27.Rc7 Ra1 28.Kh2+-) 27...Bd5 (27...Qd5 28.Nf3=) 28.Nf1 (28.Qb8 Kg7 29.Rc8 Ra1 30.Nf1+-) 28...Be6= 29.Rc7 Qd1 30.Rb7 Ra8 31.Rb6 Bc4 32.Rb8 Rb8 33.Qb8 Kg7 34.Qg3 Kf8 35.Qb8 Kg7 36.Qg3 Kf8 37.Qb8 Kg7 38.Qg3 1–0. GuestBFQC – GuestZCPC, freechess.org, 2017.

8.d4 Be7 9.Bd3 0-0 (9...Bb4 10.Nbd2 Ba5 11.Qe2 Ne4+=) 10.0-0 g6 (10...Bb7 11.Nbd2 Ne4+=) 11.Nbd2 Qc7 12.Qe2 Bb7 13.Ra2 Nh5 (13...Ne4!?+/-) 14.Rfa1 Qb8 15.g4 (15.Ba3!? Ba3 16.Ra3+/-) 15...Ng7 16.e4 de4 17.Be4 Be4 18.Ne4 f5 19.gf5 ef5 (19...Rf5!? 20.c4 Nh5+/-) 20.Neg5+- Bg5 21.Ng5 Qd8?? (better is 21...h6 22.Qc4 Kh8+-) 22.Qc4 (22.Qc4 Kh8 23.Nf7 Rf7 24.Qf7+-) 1–0. Borrmann,Fritz – Piegeler,Wilhelm, corr, 1966.

8.Nd4 e5 9.Nc6 Qc7 10.d4 e4 11.c4 Bb7=.

8.Be2 Qc7 9.0-0 e5 10.d4 e4 11.Nfd2 Bd6=.

8.Ne5 Ne5 (8...Bd6 9.f4 0-0 10.Bd3 Qc7 11.Nd7 Nd7=; 8...Bc5 9.Nd7 Bd7 10.Be5 0-0 11.d4 Bb4+=; 8...Qc7 9.Nd7 Bd7 10.Bf6 gf6 11.c3 Bd6=; 8...Bb7 9.Be2 Bd6 10.Nd7 Nd7 11.d4 Bb4+=) 9.Be5 Bd6 10.Bd6 Qd6 11.Be2 e5=.

7.Nc3 Bd6 8.Nf3 e5 9.Na4 Qd8 (9...Qc7 10.Be5 Be5 11.Ne5 Qe5 12.Nb6 ab6 13.Ra8=) 10.c4 (better is 10.Be5 Be5 11.Ne5+/-) 10...Qe7?? (10...Nbd7 11.c5 Nc5 12.Nc5 Bc5 13.Be5=) 11.Be2?? (11.Nb6 ab6 12.Ra8 0-0+-) 11...0-0? (11...Nbd7 12.c5 Nc5 13.Nc5 Bc5 14.Be5=) 12.c5 Bc5 (12...Bc7!?+=) 13.Nc5+/- Qc5 (13...e4 14.Bf6 gf6+/-) 14.Ne5 (14.Ba3 Qb6 15.Bf8 e4+-) 14...Nbd7? (14...Re8 15.Bd4 Qd6 16.Qc2+=) 15.Bd4 (better is 15.Ba3!? Qb6 16.Nd7 Bd7 17.Bf8 Rf8 18.Qb3+-) 15...Qd6+= 16.Nd7 Bd7 17.0-0 a6 18.ba6 ba6 19.Qb3 (19.Ra5 Rfc8+/-) 19...Rab8 20.Qa3 Qa3 21.Ra3 Bb5 22.Bb5 ab5 23.Bf6 gf6 24.Rb3 Kh8 (better is 24...Rb7!?+=) 25.Rfb1+- Rfc8 26.Kf1 (26.Rb5?? Rb5 27.Rd1 Kg7–+) 26...Rc2 27.Ke2 Rg8 28.g3 Rc5 29.Rb5 Rgc8 30.Rc5 Rc5 31.Rb6 Kg7 32.d4 Rc1 (32...Ra5 33.Rc6 Ra8 34.h4+-) 33.h4 Rc2 34.Kf3 Rc8 35.Rd6 Rc2 36.Rd5 Kg6 37.Rc5 (37.Rc5 Rb2 38.e4+-) 1–0. vhilts (2500) – jboger (2140), net–chess.com, 2012.

7.Bd4 Bc5 8.Bf6 gf6 9.Qg4 Ke7 10.Nf3 Bd7 11.Nc3 a6 12.Qg7 Rc8 (12...Qd8 13.e4 Rg8 14.Qh7+=) 13.Nh4+/- Bb4 (better is 13...Qd8!? 14.Qh7 Qg8 15.Qg8 Rg8+/-) 14.Nf5!+- Kd8? (14...ef5 Deflection from d5 15.Nd5 Theme: Double Attack) 15.Qf6 Kc7 16.Na4 Qa5 17.b6 Kc6 18.Nd4 Kd6 19.Nf5 (19.c3!? Ba4 20.cb4 Qb6 21.Ra4 Rc1 22.Ke2 Nd7 23.Qf7 Nf8+-) 19...Kc6 20.c3 Bc5 21.c4 Bb4 (21...Qb4 22.cd5 Kd5 23.Nc3 Kc6+-) 22.cd5 Qd5 23.Rc1 (23.Rc1 Bc5 24.Qe7 Qd2 25.Kd2 Kd5 26.Rc5 Rc5 27.Qc5 Ke4 28.Bd3) 1–0. Bonetti,Shane – Tschope,Frank, T15–11 ETC, 2004.

7.Nf3 Bd7 8.Bd3 Bb5? (better is 8...a6+=) 9.Bd4+- Qc6? (better is 9...Bc5 10.Bc5 Qc5+-) 10.Ne5 h5 (10...Qc7 11.Bb5 Nc6+-) 11.Nc6 (11.Nc6 Bc6 12.Nc3+-) 1–0. DEFFM – SuperGrossChess, freechess.org, 2018.

7.Nf3 Bd7 8.Bf6 gf6 9.c4 dc4 10.Bc4 (10.Nc3!?+=) 10...Bb5= 11.Qe2 (11.Qb3 Ba6 12.Qa4 Nd7=) 11...Bd7 (11...Bc4!? 12.Qc4 Qc6-/+) 12.0-0 a5 13.Rc1 Nc6 14.Nc3 Bb4 15.Bb5 Bc3 16.Rc3 Ke7 17.Ra4 (17.Rb1 Rad8=) 17...Rhd8 (17...Ne5 18.Nd4 Rhc8-/+) 18.Rca3? (18.Rh4 Ne5 19.Ne5 Qb5 (19...fe5?! 20.Bd3=+) 20.Qb5 Bb5 21.Nf7 Rd2-+ (worse 21...Kf7 22.Rh7 Kg6 23.Rb7 Rd2 24.h3-+)) 18...Nb4 (better 18...Ne5!? 19.Nd4 Bb5 20.Nb5 Rd3-/+) 19.Bd7=+ Rd7 20.Rb3 Rdd8 21.d4 (21.Nd4 Rac8 22.Ra1 Rc5=+) 21...Qd6 22.g4 (22.e4!?-/+) 22...b6-+ 23.Qb5 Qd5 24.Qd5 Nd5 (24...Rd5? 25.Rbb4 b5 26.Ra1+-) 25.Kg2 Rg8 26.h3 h5 27.Kg3 (27.e4 Nf4 28.Kf1 Rac8-+) 27...hg4 28.hg4 f5 29.Nh2 (29.Ne5 Rac8 30.Kf3 f6-+) 29...fg4 30.Rc4 (30.e4 Nb4 31.Ra1-+) 30...Kd6 (better 30...a4 31.Rb5 f5-+) 31.e4 a4 32.Rb5? (better 32.Rb1 Nf6 33.Rb6 Ke7 34.Rb7 Kf8 35.Rcc7-+) 32...a3 33.ed5 a2 34.Rc6 Ke7 (better 34...Kd7 35.Rc1 a1Q 36.Ra1 Ra1-+) 35.de6?? (35.Rc7 Kd8 36.Rc1-+) 35...a1Q 36.Rbb6 Qd4 (36...Qg1 37.Kf4 Qf2 38.Ke4 Qe2 39.Kf5 Qd3 40.Kf4 Qd4 41.Kg3 Qe3 42.Kg2 Ra2 43.Rb2 Rb2 44.Rc2 Rc2 45.Kh1 Rh8 46.ef7 Rhh2) 37.ef7 Kf7 (better 37...Rg7 38.f8Q Kf8-+) 38.Rb7 (38.Nf1-+) 38...Kf8 39.Rcc7 Qd3 40.Kg2 (40.f3 Qd6 41.Kf2 Qd4 42.Kg3 Qe5 43.Kf2 g3 44.Kg1 Qe3 45.Kg2 Qf2 46.Kh1 Qh2) 40...Qh3 41.Kg1 Ra1 42.Nf1 (42.Rb1 Rb1 43.Rc1 Rc1 44.Nf1 Rf1) 42…Rf1 0-1. Darkseid (1755) - CC_Jochen (2420), ChessWorld.net, 2006.

7.d4 Bb4 8.Nd2 Ne4 (8...Bd7 A) 9.c3 A1) 9...Ba5 10.Ngf3 (10.Bd3 a6 11.ba6 ba6 12.Nb3 Bc7 13.Nf3=) 10...Qc7 11.Ra3 a6 12.ba6 Na6 13.Bd3=; A2) 9...Be7 10.Ngf3 (10.c4 Bb4 11.Ngf3 Ne4 12.Ra4 Ba5 13.Qa1=) 10...0-0 11.c4 dc4 12.Bc4 Qb6 13.Qa4=; B) 9.Ngf3 Ne4 10.Bd3 Qb6 11.Be4 de4 12.Ne5 Bd2 13.Qd2=; C) 9.Bd3= a6 (9...Qc7 10.Ngf3 Ne4 11.0-0 0-0 12.Nb1 a5 13.c4+=; 9...0-0 10.Ba3 Ba3 11.Ra3 Qb6 12.Rb3 Qc7 13.Ngf3=) 10.ba6 ba6 11.Ngf3 0-0 12.0-0 a5 13.Qe2=) 9.Ngf3 (9.c3 Nd2 (9...Nc3? 10.Qb3+-) 10.Qd2 Bd6= 11.Ba3 Ba3 12.Ra3 a6 13.Nf3+=) 9...0-0 (9...e5 A) 10.Be2 Bc3 11.Qc1 ed4 12.ed4 Bg4 13.Bc3=; B) 10.h3 Nc3 11.Bc3 Bc3 12.Ra3 ed4 13.ed4=; C) 10.Ra4 Bc3 (10...Qe7 11.Qa1+= Nd2 12.Nd2 Bd2 13.Kd2+=) 11.Qa1 Nd2 12.Nd2 ed4 13.Bc3+=; D) 10.de5 Bg4 11.c3 Bc3 12.Bc3 Nc3 13.Qc2+=; 9...Bd7 10.Bd3 Qb6 11.Be4 de4 12.Ne5 Bd2 13.Qd2=; 9...Qb6 10.c3 Nd2 11.Nd2 Bd6 12.c4 dc4 13.Qa4+=) 10.Bd3 (10.Ba3 Qe7 (10...Qa5 11.Bb4 Qb4+= 12.c4 a5 13.Qa4+=) 11.Bb4 Qb4 12.c4 Bd7 13.Qc2+=; 10.c3 Nd2 11.Qd2 Bd6 12.Ba3 Ba3 13.Ra3+=) 10...Nd6 (10...Nc3!? 11.Bc3 Bc3= 12.Ra3 Bb4 13.Ra4+=) 11.0-0+= f5 (11...a6 12.ba6 (12.c3 Ba5 13.Qc2+=) 12...ba6 13.c3+=) 12.Nb3 (12.Ra4 Ba5 13.Ba3+/- (13.Qa1+/-)) 12...Qc7? (better is 12...Nc4!? 13.Bc4 dc4=) 13.c3! Bc3? (better is 13...Nc4!? 14.Bc4 dc4 15.cb4 cb3 16.Qb3 Bd7+/-) 14.Rc1+- Qb6 (14...Nb5 15.Bb5 Qb6+-) 15.Bc3 (15.Rc3?! Nb5 16.Bb5 Qb5+-) 15...Nb5 (15...Qd8 16.Qe2+-) 16.Ba5 Qa6 17.Ne5 (17.Qe2 Bd7+-) 17...Nd6 (17...Nc6 18.Rc6! bc6+-) 18.Ba6 (18.Ba6 Na6 19.Qf3+-) 1–0. Greer,V – Phillips,J, Arizona USA, 1980.

7.d4 Bb6 8.Bd3 0-0 9.Nf3 Bd7 (9...Ne4!?+/-) 10.0-0+- Qe8 (10...Ba5 11.Nbd2+/-) 11.Ba3 (better 11.Nc3!?+-) 11...Bb5+/- 12.Bb5 Qb5 13.Bf8 Kf8 14.Na3 Qb2 (14...Qd7!?+/-) 15.c4+- Nc6 16.c5 Ba5 17.Qa4 Bc3?? (better 17...Qe2+-) 18.Rab1 Qe2 (18...Qa2 19.Rb7 Na5 20.c6+-) 19.Rb7 Na5 20.Rc7 Ne4 (20...Qa2+-) 21.Qd7 (21.Qd7 Qf2 22.Rf2 Nd6 23.cd6 Kg8 24.Qf7 Kh8 25.Qg7) 1-0. onur604 (2320) - DrBibber (2185), Casual Rapid game, lichess.org, 2021.

7.Nf3 0-0 8.c4 Nbd7 9.Nc3 b6 (9...dc4 10.Bc4 e5 11.0-0=) 10.Be2 (10.cd5 ed5 11.d4+=) 10...a6 (10...Bb7 11.cd5 Nd5 12.0-0=) 11.0-0 (11.cd5 Nd5 12.ba6 Nb8+/-) 11...Bb7 (11...dc4 12.Bc4 a5 13.d4+=) 12.Qb3 (12.cd5 ab5 13.Ra8 Qa8 14.de6 fe6 15.Nb5+/-) 12...Ne4 (12...dc4 13.Bc4 Bf3 14.gf3=) 13.d4 (13.cd5 Nc3 14.Qc3 Nf6 15.de6 ab5 16.ef7 Rf7+-) 13...Be7 (13...dc4 14.Bc4 ab5 15.Ra8 (worse is 15.Qb5 Nd6 16.Qb3 Bf3 17.gf3 Qg5 18.Kh1 Nc4 19.Qc4 Qh4=) 15...Ba8 16.Nb5+=) 14.Ne4 (14.cd5 Nc3 15.Qc3+/- (15.Bc3?! Bd5 16.Qb1 ab5=)) 14...de4+= 15.Ne5 (15.Nd2 ab5 16.Ra8 Ba8 17.Qb5 Qc7+=) 15...Nf6?? (better is 15...Ne5 16.ba6 Ra6 17.de5 Qd2+=) 16.c5 (16.c5 Bd5 17.Qb4 ab5 18.Bb5= (worse is 18.Qb5 bc5 19.Nc6 Bc6 20.Qc6 Qd5 21.Qd5 Nd5-/+)) 1–0. GuestHKRL – GuestZZDL, freechess.org, 2017.

7.Nf3 0-0 8.Be2 Nbd7 9.0-0 Qc7 (9...Bd6 10.d4+=) 10.d4+= Bd6 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Bh2 14.Kh1 Bd6 15.c5 Be7 16.b6 Qd8? (better 16...Qb8 17.Qa4 a6+=) 17.ba7+- f5 (17...Qc7 18.Qb3+-) 18.Qb3 Qc7 19.Rfc1 Rf6 (19...Bd8 20.Bc3+-) 20.Nf3 (20.g3 Rh6 21.Kg1 Bd8+-) 20...Rh6 21.Kg1 Nf6 (21...Bd8 22.g3+-) 22.Ne5 (22.Qb6 Qd8+-) 22...Ne4 (22...Nd7 23.c6 Ne5 24.cb7 (24.de5?! bc6 25.Bd4 c5+-) 24...Qb7 25.Qb7 Bb7 26.de5+-) 23.Qb6 Qb6?? (23...Bh4 24.g3 Qe7+-) 24.cb6 g5 (24...Rf6+-) 25.Rc7 Bd6 (25...Bb4 26.Rac1 Nc3 27.Bc3+-) 26.Rc8! Rc8 27.a8Q Ra8 28.Ra8 Kg7 29.Ra7 Be5 (29...Kg8 30.Rb7 Rf6+-) 30.Rb7 Kf6 31.de5 Kg6 32.Re7 Nc5 33.Ba3 Na4 34.Re6 Kg7 35.b7 Re6 (35...Nc3 36.Re7 Kg6 37.Bd3 Rh1 38.Kh1 Nd1 39.b8Q Nf2 40.Kg1 Ng4 41.Qe8 Kh6 42.Rc7 Ne5 43.Bf8) 36.b8Q Nb6 (36...Nc5 37.Bc5 h5 38.Qf8 Kg6 39.Qg8 Kh6 40.Bf8) 37.Qf8 Kg6 38.Qg8 Kh6 39.Bf8 1–0. DEFFM – GuestTLVV, freechess.org, 2020.

7.Nf3 0-0 8.Be2 Nbd7 9.d4 Bd6 10.0-0 a6 11.Nbd2 Nb6 12.c4 dc4 13.Nc4 Nc4 14.Bc4 Qb6 15.Qb3 (better is 15.Qe2+=) 15...ab5?? (better is 15...Bd7=) 16.Ra8+- bc4 (16...Bd7 17.Rfa1 Qc6+-) 17.Qb6 Bc7 18.Qc7 c3 19.Qc3 (19.Rc8 h6 20.Rf8 Kf8 21.Ne5 Kg8 22.Qf7 Kh7 23.Ra1 Nd7 24.Qg6 Kg8 25.Nd7 cb2 26.Ra8) 19...b5 20.Rc8 b4 21.Rf8 Kf8 22.Qc8 (22.Qb4 Ke8 23.Qb8 Kd7 24.Ne5 Ke7 25.Ba3) 22...Ke7 23.Ne5 h6 (23...Nd5 24.Qd7 Kf6 25.Qf7 Kg5 26.Qg7 Kh5 27.Qg4 Kh6 28.Nf7) 24.Nc6 (24.Qc5 Ke8 25.Ra1 Nd7 26.Ra8 Nb8 27.Rb8) 24...Kd6 25.e4 (25.Qb8 Kd5 26.Nb4 Kc4 27.Rc1 Kb3 28.Nc6 Ka4 29.Qb4) 25...Nd7 (25...Ne4 26.Ne5 Ke7 27.Qb7 Kf6 28.Qf7 Kg5 29.Qg6 Kf4 30.Qg4) 26.e5 (26.Ne5 Ne5 27.de5 Ke7 28.Rd1 b3 29.Rd7) 26...Ne5 (26...Kd5 27.Ne7 Ke4 28.Qc1 Kd3 29.Rd1 Ke4 30.Qe3) 27.de5 Kc5 28.Bd4 (28.Rc1 Kd5 29.Ne7 Ke4 30.Qc4) 28...Kc4 (28...Kd5 29.Re1 Kc4 30.Qa6 Kb3 31.Qd3 Ka2 32.Nb4) 29.Rc1 (29.Qa6 Kd5 30.Re1 b3 31.Qb5) 29...Kd5 (29...Kd3 30.f3 b3 31.Nb4 Ke2 32.Qc3 b2 33.Qb2) 30.Qd7 (30.f3 b3 31.Qd7) 30...Ke4 31.f3 (31.Qf7 Kd3 32.Qf3 Kd2 33.Qd1) 31...Kf4 (31...Kf5 32.Qf7 Kg5 33.Qg7 Kf4 34.Qf6) 32.Qf7 Kg5 33.Be3 Kh4 34.Qf4 (34.Rc4) 34...Kh5 35.Qg4 1–0. GuestJVTB – GuestLPXW, freechess.org, 2017.

7.Nf3 b6 8.d4 Bd6 9.Bd3 0-0 10.0-0 a6 11.Ne5 Be5 (11...Bb7 12.Qe2 ab5 13.Ra8 Ba8 14.Bb5=) 12.de5+= Ne4 13.Be4 de4 14.Qd6 Qd6 15.ed6 Bd7 (15...Nd7 16.Nd2+=) 16.c4+/- h6? (better 16...Bc8!?+/-) 17.Bd4+- Rc8 18.Nd2 (18.Bb6?! Rc4 19.ba6 Rc6+=) 18...Be8 19.Bb6 Nd7 20.Bc7 ab5 21.cb5 Ra1 (21...Nf6 22.Rab1 Ra7 23.b6+-) 22.Ra1 Nf6 23.b6 Nd5 (23...Bc6 24.Rb1 Bb7+-) 24.b7 Bd7 25.Ra8 Nc7 1-0. DEFFM – GuestJBBG, freechess.org, 2021.

7.Nf3 Qb6 8.c4 a6 9.Nc3 Bd7 10.h3 0-0 11.Ne5 Be8 12.Be2 Nbd7 13.Nf3 Ne4 14.Ne4 de4 15.Nd4 Nf6 16.f3 ef3 17.Bf3 Bd7 18.0-0 ab5 19.cb5 Ra1 20.Ba1 Ra8 21.Be2 Ne4 22.Nb3 Ng3 23.Rf3 Bd6 24.Nd4 Ne2 25.Qe2 Ra1 26.Kf2 Ra5 27.Rg3 Bb5 28.Rf3 Be2 29.Nb5 Bf3 0–1. axtur777 – spanish6, lichess.org, 2019.

7.Nf3 Qb6 8.Bf6+= gf6 9.d4 White fights for the Initiative 9...Bb4 10.c3 Bd6 11.Nbd2 e5 (11...Qd8 12.Bd3+=) 12.Qb3+/- Be6 13.c4 dc4 14.Bc4 Be7 15.0-0 Nd7 16.Rfc1 Bc4 17.Nc4 Qd8 (17...Qe6 18.Na5 b6 19.Qe6 fe6 20.Nc6+/-) 18.Nh4 0-0 (18...Nb6+-) 19.Nf5 h5?? (19...a6+-) 20.e4 (20.e4 Kh7 21.Qe3 ed4 22.Qh6 Kg8 23.Qg7) 1–0. Woelfelschneider,Peter – Schulte, 2009.

7.Nf3 Nbd7 8.Be2=.

7.c4 0-0 8.Nf3 dc4 9.Bc4 Nbd7 10.0-0 Nc5 11.d4 Nce4 12.Nbd2 b6 13.Be2 Bb7 14.Ne4 Ne4 15.Ne5 Be5 16.de5 Qd1 (better 16...Nd2!? 17.Re1 Qg5=) 17.Rfd1+/- (worse 17.Bd1 a5=) 17...Bd5 18.Bf3 (18.f3 Nc5+/-) 18...Rfd8 (18...Rfc8!?+=) 19.Rd4+/- Nc5 20.Rad1 Nb3 21.R4d3 (21.Rd5?! ed5 22.Bd5 Nc5=; 21.Bd5?! Nd4 22.Ba8 Ne2 23.Kf1 Rd1 24.Ke2 Rb1+=) 21...Nc5 22.R3d2 (22.Bd5 ed5 23.Rd5 Rd5 24.Rd5 Kf8+/-) 22...Nb3 (22...Rdc8!? 23.Bd5 ed5 24.Rd5 Ne6+/-) 23.Bd5 (23.Rd5?! ed5 24.Bd5 Nc5=) 23...Nd2?? (better 23...ed5 24.Rd5 Rd5 25.Rd5 Kf8+/-) 24.Ba8+- Ra8 25.Rd2 Rc8 26.g4 (26.Rd7 h5+-) 26...h5 27.gh5 Rc5 28.Rd7 (28.Rd8 Kh7+-) 28...Rb5 29.Bd4 a5 30.Rb7 (30.Rd8 Kh7+-) 30...f6 (30...a4 31.Rb8 (31.Bb6?! Kh7+-) 31...Kh7 32.Rf8+-) 31.Rb6 (better 31.ef6 Rg5 32.Kh1 gf6+-) 31...Rd5 (31...Rb6 32.Bb6 a4+-) 32.ef6 gf6 (32...e5 33.Rb8 Kf7 34.fg7 Kg7 35.Bb2+-) 33.Bf6 (better 33.Re6!? Rg5 34.Kh1 Rf5+-) 33...Rh5 (33...Kf7 34.Bc3 Rc5 35.Rb7 Kg8 36.Rb8 Kf7 37.h6+-) 34.Re6 1-0. BeepBeepImAJeep (2620) - unjournakamura (2100), Hourly Bullet Arena, lichess.org, 2017.

7.c4 b6 8.Nf3 Bb7 9.Be2 Nbd7 (9...dc4 10.Na3=) 10.0-0 Nc5 (10...dc4!? 11.Na3 Ba3 12.Ra3 Bd5=) 11.d4+= Nce4 12.Nbd2 0-0 13.Ne5 Qc7 14.Rc1 Qd7?? (better 14...Nd2 15.Qd2 dc4 16.Bc4 Qe7+=) 15.Nd7+- Nd7 16.Ne4 de4 17.c5! bc5 (17...Nc5 18.dc5 Discovered attack) 18.dc5 Discovered attack. . (18.dc5 Bh2 19.Kh2+-) 1–0. BeepBeepImAJeep (2525) – clemfrench2017 (2115), lichess.org, 2016.

7.c4 dc4 8.Nf3 b6 9.Bc4 Bb7 10.0-0 h5 (10...Ng4!? 11.h3 Qc7=) 11.d4 Bf3 (11...0-0!?+=) 12.Qf3+/- (worse 12.gf3 Bh2 13.Kg2 Bd6-/+) 12...Bh2? (better 12...Nbd7+/-) 13.Kh2+- Ng4 14.Kg1 Nd7 15.Qg3 (better 15.Bd3+-) 15...f5 Black intends h4 (15...Ndf6 16.Bd3+-) 16.Nd2 (16.Be6!? Ndf6+-) 16...h4 (16...Rh6 17.e4 Qg5 18.Qd6 fe4 19.Be6+-) 17.Qh3 (better 17.Qd6 Nf8 18.Qc6 Kf7+-) 17...Qg5 (17...Rh6 18.e4 Qg5 19.Bc1+-) 18.Rae1 (18.Be6!? g6+-) 18...0-0-0 (18...Qg6 19.e4 Kd8 20.f3+-) 19.Be6 Rhe8 (19...Kb8 20.Qf3 Nh6 21.Ra1+-) 20.d5 Kb7 21.Nf3 Qf6 (21...Qh6 22.Nd4 g6+-) 22.Bf6 Ngf6 23.Bd7 (better 23.Nh4!? Nc5+-) 23...Rd7 24.Qf5 Red8 25.e4 Rf7 26.Rd1 (26.e5 a5+-) 26...Rdf8 27.Qe6 (better 27.Ng5 Re7 28.d6+-) 27...Re8 28.Qc6 (28.Qf7 Nd7 29.Qd7 Kb8 30.Qe8 Kb7 31.Qd7 Kb8 32.Rc1 a6 33.Rc8) 28...Kb8 29.e5 (better 29.Qd6 Kb7 30.e5+-) 29...Rfe7 30.ef6 gf6 31.d6 Rh7 (31...Rh8 32.de7 Rc8 33.Rd8 a6 34.Rc8 Ka7 35.Qd7) 32.d7 (32.Qe8 Kb7 33.d7 a6 34.Qc8 Ka7 35.Qa6 Kb8 36.d8Q) 32...Rd8 33.Rfe1 h3 (33...Rh5 34.Re8 a6 35.Rd8 Ka7 36.Ra8) 34.g3 (34.Re8 h2 35.Nh2 Rhd7 36.Rd8 Rd8 37.Rd8) 34...h2 (34...Rf7 35.Re8 h2 36.Kh1 Rfd7 37.Rd7 Re8 38.Qb7) 35.Kh1 Rf7 (35...Rh5 36.Re8 a5 37.Rd8 Ka7 38.Ra8) 36.Re6 (36.Re8 Rfd7 37.Rd8 Rd8 38.Rd8) 36...Rff8 (36...Rh7 37.Re8 Rhd7 38.Rd8 Rd8 39.Rd8) 37.Nd4 (37.Nd4 Rh8 38.Re8 Rhe8 39.de8R Re8 40.Qe8 Kb7 41.Nf5 a5 42.Rd7; 37.Re8 Rfe8 38.de8R Re8 39.Qe8 Kc7 40.Rd7) 1-0. sergioaltarriba (2105) - jiacomo (1860), Daily Bullet Arena, lichess.org, 2020.

7.c4 Nbd7 8.d4 dc4 9.Bc4 b6?? 10.Qb3 (better 10.Qf3 Rb8 11.Ra7+-) 10...Bb7= 11.Nf3 0-0 (11...g5 12.h3+=) 12.Nbd2 (12.Be6 Qb8 13.Bf5 Qd8+/-) 12...Rc8 (12...Qe7!?=) 13.Ra7 (13.Be6 Qc7 14.Bc4 Qb8+/-) 13...Ba8 (13...Rc7 14.Ba3 Bf3 15.Rc7 (worse 15.Bd6 Ra7 16.gf3 Ra1 17.Nb1 Re8-/+; 15.Nf3?? Ra7 16.Bb2 Qe7-+) 15...Bg2 16.Bd6 Bh1 17.Qa3+/-) 14.0-0 (14.Be6 Rc7 15.Rc7 Qc7+-) 14...Ne4 (14...Rc7 15.Rfa1 Ra7 16.Ra7+/-) 15.Rfa1 (15.Ne4 Be4 16.Be6 Rc7 17.Rc7 Bc7+-) 15...Nd2 16.Nd2 Qg5 (16...Bc7 17.Ba3 Re8 18.Bb4+-) 17.f3 (17.g3 Qe7+-) 17...Qe3?? (better 17...Nf6+/-) 18.Qe3+- (18.Qe3 Rcd8 19.Be6+-) 1-0. ClayPigeons (2125) - djalminha8 (2160), Rated Bullet game, lichess.org, 2021.

7.c4 Qe7 8.Nf3 0-0 9.Be2 (9.d4 dc4 10.Bc4 Bh2 11.Rh2 Qb4 12.Nbd2 Qb2=) 9...Nbd7 (9...dc4 10.Bc4 e5 11.d3=+) 10.d4 dc4 11.Bc4 Nb6 (11...e5 12.de5 Ne5 13.Be5 Be5 14.Ne5 Qe5 15.Qd4=+) 12.Bd3 Nbd5 13.0-0 Nb4 14.Be2 (14.e4 Nd3 15.Qd3 Nd7+=) 14...Bd7= 15.Qb3 Nbd5 16.Nbd2 a5 (16...a6 17.Rfe1 Ng4 18.Ne4+=) 17.ba6 (17.e4 Nf4 18.Bc4 Bb4+=) 17...ba6= 18.Ra6 (better 18.Ba3=) 18...Rfb8 (better 18...Ra6 19.Ba6 Rb8=+) 19.Ra8+/- Ra8 20.Nc4 Rb8 21.Qc2 h6 (21...Nb4 22.Qb1+/-) 22.Nd6 Qd6 23.Qc1 (23.Rb1 Rc8 24.Qd3 Rb8+/-) 23...Ne4 (23...Bb5 24.Bb5 Rb5 25.Qc8 Qf8 26.Qc2+/-) 24.Ne5 Rc8 (24...Bb5 25.Bb5 Rb5 26.Qc8 Qf8 27.Qc2+/-) 25.Qa1 Be8 (25...Nec3 26.Bc3 Nc3 27.Ba6+/-) 26.Ba3 (26.Bd3 Nd2 27.Rd1 Nb3+-) 26...Qd8+/- 27.Bf3 Ng5 28.Bd5 Qd5 29.Bc5 (29.Rc1 Rc1 30.Qc1 f6+/-) 29...Ne4 (29...f6 30.Nd3 Qe4=) 30.Rd1 (better 30.Rc1!?+/-) 30...Nc5= 31.Qa6?? (better 31.dc5 Qc5 32.e4=) 31...Na6-+ 32.Nf3 Bc6 (better 32...Qa2 33.d5 Qd5 34.Re1-+) 33.Ne1 Qb3 34.Rc1 Qa3 35.Rb1 Rb8 36.Rb8 Nb8 37.h3 Bb5 (better 37...Qc1 38.Kh2 Qe1 39.Kg3-+) 38.Kh2 Be2 (better 38...Qb2!? 39.Kg3-+) 39.Nf3 Qd6 40.g3 Bf3 41.h4 Be4 (41...Qa6 42.g4 Qf1 43.Kg3 Qg2 44.Kf4 Nc6 45.e4 Qf2 46.d5 Bg2) 42.Kh3 Qd5 43.g4 (43.Kh2 Qa2 44.Kh3 Qf2 45.h5 Bg2 46.Kh4 Qf6 47.Kg4 Qg5) 43...e5 (43...Bh1 44.e4 Qe4 45.f3 Qf3 46.Kh2 Qg2) 44.h5 ed4 (44...Bg2 45.Kg3 Qf3 46.Kh2 Qh3 47.Kg1 Qh1) 45.f4 (45.Kg3 Bh1 46.e4 Qb3 47.Kh4 Bg2 48.f3 Qf3 49.g5 Qf4) 45...Qd6 (45...Qa2 46.g5 Qg2 47.Kh4 Bf3 48.ed4 Qg4) 46.Kg3 (46.Kg3 de3 47.Kh2 Qd2 48.Kh3 Qg2 49.Kh4 Qh2; 46.g5 Qa3 47.Kg4 Qe3 48.gh6 f5 49.Kh4 Qf4 50.Kh3 Qf3 51.Kh4 Qg4) 1-0. ClayPigeons (2160) - charlesbronson35 (2145), Rated Bullet game, lichess.org, 2019.

7.Nf3 Nbd7 8.c4 (8.Ba3 Ba3 9.Ra3 e5=) 8...dc4 9.Bc4 Qc7 (9...e5 10.d3=) 10.d3 Nb6 (10...e5 11.Nbd2=) 11.Bf6+= gf6 12.Nbd2 Bd7 (12...a5 13.0-0+=) 13.Qb3+= 0-0 (13...Rg8 14.0-0+=) 14.0-0 e5 (14...Rfc8 15.Rac1+=) 15.Rfc1 Qd8 (15...Nc4 16.Nc4 Be6 A) worse is 17.Nd6 Qc1 (17...Bb3?? 18.Rc7 Rfd8 19.Ne4+-) 18.Rc1 Bb3+=; B) 17.Qb2+=) 16.d4+/- Qe7 17.Bd3 Be6 (17...Rfd8 18.Bb1+/-) 18.Qb1 (18.Qc2 h6+/-) 18...f5 (better is 18...h6!?+/-) 19.de5+- (19.de5 Ba3 20.Rf1+-) 1–0. DEFFM – GuestZWSD, freechess.org, 2018.

8.c4 dc4 9.Bc4 Nbd7 (9...a6 10.0-0=) 10.d4 Nb6 11.Bd3 Nfd5 12.Nc3 (12.Ba3 Nb4=) 12...Bb4 (12...Nb4 13.Ba3 Nd3 14.Qd3 Ba3 15.Ra3+=) 13.Qc2+= Qc7 14.Kd2 (better is 14.Rc1!?+=) 14...Nc4-/+ 15.Bc4 Qc4 16.Qd3 Qd3 (16...Qb3 17.Rhb1-/+) 17.Kd3 Bc3 (better is 17...Bd7!?-/+) 18.Bc3+= Bd7 19.Rhb1 f6 20.Ra2 (20.Bd2 Nc7 21.b6 Bb5 22.Kc2 ab6=) 20...e5= 21.e4 (21.de5? Bf5 22.Kd4 Nc3 23.Kc3 Bb1–+) 21...Nf4 22.Kd2 Ng2 23.Rg1 Nf4 24.de5 fe5 25.Ne5 Bb5 26.Nc6 (26.Ke3!?=) 26...g6 27.Na7 (27.Ne7 Kf7 28.Nd5 Bc4 29.Ra7 Ra7 30.Nf4 Rd8 31.Kc2 b5–+) 27...Ne2 (27...Rad8 28.Ke1 Nd3 29.Kf1–+) 28.Rg5 (better is 28.Rga1!? Rfd8 29.Kc2 Bd3 30.Kb3 Nc3 31.Kc3 Be4 32.Re2-/+) 28...Rad8–+ 29.Kc2 Bd3 30.Kb2 Rf2 (30...Rf2 31.Ra4 Ng3 32.Ka3 Ne4–+; 30...Nc3?! 31.Kc3 Be4 32.Nb5-/+) 0–1. Gedigk,Detlef – Andersson,Lars H, corr SOK–90–53, 1990.

8.c4 Nbd7 9.d4 dc4 10.Bc4 Nb6 11.Bd3 Bd7 (11...a6 12.0-0=) 12.0-0 Nbd5 (12...Qe7!?+=) 13.e4+/- 1–0. DEFFM – GuestJGTY, freechess.org, 2018.

8.Bd3 Re8 9.g4 (9.Ne5!?=) 9...e5 10.g5 Ne4 11.h4 Nd7 12.h5 (12.Be2 Qc7=+) 12...Ndc5 (12...Ng5 13.Ng5 Qg5 14.h6-/+) 13.g6 (13.Be2 Ng5 14.Ne5 Be5 15.Be5 Nce4-/+) 13...Nd3 14.cd3 Nc5 15.gf7 Kf7 16.Qe2 (16.Ra3 Bf5 17.Qe2 Qd7–+) 16...Bf5 (16...e4 17.Ra3 ef3 18.Qf3 Kg8 19.Qd5 Ne6 20.Ra4–+) 17.e4 (17.Ra3–+) 17...de4 18.Nh4? (18.de4 Be4 19.Ba3 Nd3 20.Kf1–+) 18...Nd3 19.Kf1 Qd7 (better 19...Be6 20.Ba3 Nf4 21.Qe4 Bd5 22.Qf5 Kg8–+) 20.Bc3 (20.Nf5 Qf5 (20...Nb2?! 21.Nd6 Qd6 22.Nc3-/+) 21.Nc3 Qf3 22.Qf3 ef3–+) 20...Kg8 (20...Bh3 21.Kg1 Nf4 22.Qc4 Kf8 23.Bb4 Qg4 24.Kh2 Bb4 25.Qb4 Re7 26.Ng6 hg6 27.Qe7 Ke7 28.Rg1 Bg2 29.Rc1 Qh5 30.Kg1 Qh1) 21.Na3 (21.Nf5 Qf5 22.Ra4 Bc5–+) 21...Rf8 (21...Bh3 22.Kg1 Nf4 23.Qc4 Kh8 24.Rh2 Ba3 25.Qe4 Qg4 26.Kh1–+) 22.Nc4 (22.Nf5 Rf5 23.Rh2 Rf2 24.Rf2 Qh3 25.Kg1–+) 22...Bg4 23.Qe4 Nf2 24.Qd5 Be6 25.Qd6 (25.Ne5 Nh1 26.Ke2 Ng3 27.Kd3 Qe7–+) 25...Ne4 (better 25...Bc4 26.Kg1 Qd6 27.Rh2–+) 26.Ke2 (26.Ke1 Nd6 27.Ne5 Qb5 28.Rg1–+) 26…Bc4 (26...Bc4 27.Ke1 Qd6–+; 26...Qd6?! 27.Nd6 Nd6 28.Be5 Nb5 29.Rhg1–+) 0–1. TwelveTeen (2485) – Kaskaskia (2570), lichess.org, 2017. (=1.a3 c5 2.b4 d5 3.Bb2 cb4 4.ab4 Nf6 5.b5 e6 6.e3 Bd6)

8.Be2 Re8=.

8.g4 Nbd7 9.g5 Ne8 10.h4 e5 11.d4 e4 12.Nfd2 Nc7 13.c4 dc4 14.Nc4 Nb6 (better 14...Bb4 15.Bc3 Be7=) 15.Nd6+/- Qd6 16.Ba3 Qd5 (better 16...Qd8!? 17.Bf8 Qf8+-) 17.Bf8+- Kf8 18.Nd2 (18.Nc3!? Qe6 19.Qb1 Qe7 20.Qe4 Qb4+-) 18...Nb5 19.Qb3 (better 19.Ra5!? Bd7 20.Bg2+-) 19...Qb3+= 20.Nb3 Nc3 (20...Nd6 21.h5+/-) 21.Rc1 (21.Bg2 Bf5+-) 21...Ncd5 (21...Nbd5!?+/-) 22.Nc5+- Bg4 (22...f5 23.gf6! Nf6 24.Bg2+-) 23.Bg2 (23.Ne4?! Bf3 24.Ng3 Bh1 25.Nh1 Rd8+=; 23.Nb7?! Bf3 24.Rg1 a5+-) 1-0. black_bishop_88 (2495) - borisov_maxim (2480), lichess.org, 2020. (=1.a3 d5 2.b4 c5 3.Bb2 cb4 4.ab4 e6 5.b5 Nf6 6.e3 Bd6)

7.c4 a5 8.Be5 A) 8...Bc8 9.Nf3 Nbd7 10.Bc3 Bd6 11.cd5 ed5 12.Be2 0-0 13.0-0 Re8; B) 8...Be7 9.Nc3 (9.Qf3 0-0 10.Nc3 Bc8 11.Qg3 Nbd7 12.Bc7 Qe8 13.Nf3 Bb4) 9...Bc8 10.cd5 ed5 11.Be2 Nbd7 12.Bd4 0-0 13.Nf3 Nc5; C) 8...dc4 9.Bc4 Nd5 10.Nc3 Nb6 11.Bb3 f6 12.Bd4 Qc7 13.Qh5 Kd8; D) 8...Bc5 9.Nc3 dc4 10.Bc4 Bc8 11.Bf6 Qf6 12.Ne4 Qh4 13.Qc2 Bb4; E) 8...Bb4 9.Qf3 (9.Nc3 dc4 10.Bc4 Bc8 11.Nf3 Nbd7 12.0-0 Ne5 13.Ne5 Qc7) 9...a4 (9...Qc8 10.Qg3 Bf8 11.Nc3 dc4 12.Ra4 Nd5 13.Rc4 Qd8) 10.cd5 Nd5 11.Bg7 Rg8 12.Bd4 Qc7 13.Bd3 Qc1.

7.c4 a5 8.Nf3 b6 9.Nc3 (9.Be5 Bb4 10.Nc3 0-0 11.cd5 Nd5 12.Qc2 Qe8 13.Qd3 Nc3; 9.Qa4 dc4 (9...Ne4 10.Nc3 Ra7 11.cd5 Nc3 12.Bc3 ed5 13.Be2 Be6; 9...Na6 10.d4 Bb4 11.Bc3 Nc7 12.Ra2 Ne4 13.Bb4 ab4) 10.Bc4 Bd6 11.0-0 Bc8 12.d4 Bb7 13.Nbd2 Ne4; 9.Ra4 Bd6 (9...Bc5 10.Ne5 0-0 11.Qf3 Bd6 12.d4 Ne4 13.Ba3 Ba3; 9...Be7 10.Ne5 Bc8 11.d4 Bb7 12.Ba3 dc4 13.Bc4 Ba3; 9...Bb4 10.Bc3 Be7 11.cd5 ed5 12.Bf6 Bf6 13.d4 Qc7) 10.Be5 Qe7 11.d4 Bb4 12.Nfd2 0-0 13.Bd3 dc4; 9.Ne5 Bd6 (9...Qc7 10.Ra4 Bb4 11.Nd3 Be7 12.Qf3 Ra7 13.Be5 Qb7; 9...dc4 10.Bc4 Bc8 11.0-0 Bd6 12.f4 Bb7 13.Ra4 0-0; 9...Bb4 10.Qf3 0-0 11.Be2 Ra7 12.0-0 Bc8 13.Nc6 Nc6; 9...Bc8 10.cd5 ed5 11.Qc2 Be6 12.Bd3 Bd6 13.Nc6 Nc6) 10.Ng4 Ne4 11.d3 Bb4 12.Ke2 Qg5 13.f3 Nd6) 9...Bb4 (9...Bd6 10.Na4 dc4 11.Bd4 Bc7 12.Bc4 Bc8 13.Ne5 Bb7; 9...Be7 10.Na4 Bc8 11.cd5 ed5 12.Ne5 0-0 13.Rc1 Nfd7) 10.Qb3 (10.Na4 dc4 11.Bc4 Bc8+= 12.Bf6 gf6 13.0-0 Bb7) 10...0-0 (10...dc4!? 11.Bc4 0-0= (11...Bc8 12.0-0 Bb7 13.Be2 0-0) 12.0-0 Bc8 13.d3 Bb7) 11.cd5+= Bc3 12.Qc3 ed5 13.Bd3 Be6 (13...Re8+=) 14.Ng5 h6 15.Ne6 fe6 16.Ba3 Rf7 17.Bg6 Rc7 18.Qe5 Nbd7 (better is 18...Qd7!?+/-) 19.Qe6+- Kh8 20.0-0 Nc5 (20...Qg8 21.Qd6 Rac8 22.d3+-) 21.Qb6 Rb8? (better is 21...Nb3 22.Ra2 Rb8+-) 22.Bc5 (22.Qa5?! Nb3 23.Qb4 Na1 24.Ra1 Ne4+/-) 22...Rb6 (22...Nd7 23.Be7 Nb6 24.Bd8 Rd8 25.Ra5+-) 23.Bb6 Qd7 24.Bc7 Qc7 25.Rfc1 Qd7 (25...Qd8 26.Rc6 Nd7+-) 26.Rc8 (better is 26.Ra5 Qb7 27.b6 Ng8+-) 26...Ng8?? (better is 26...Qc8 27.d4 a4–+) 27.Ra5 Qc8-/+ (27...Qc8 28.Ra1 Qg4+=). pierre – NN, internet, 2008.

7.c4 a5 8.Nf3 dc4 9.Bc4 Bd6 10.0-0 0-0 11.d3 b6 12.Ne5 Qc7 13.f4 Bc8.

7.c4 a5 8.Nf3 Bd6 9.Be5 (9.d4 dc4 10.Bc4 Qc7 11.Nbd2 0-0 12.Ba3 Rc8 13.0-0 Ba3) 9...Be5 (9...Bb4 10.cd5 ed5 11.Nc3 Be6 12.Be2 0-0 13.0-0 Nbd7; 9...Be7 10.Qa4 0-0 11.d4 dc4 12.Bc4 Nd5 13.Bd3 f6) 10.Ne5 0-0 11.d4 Bc8 12.c5 b6 13.c6 Ra7.

7.c4 a6 8.Nc3 ab5 9.Rb1?? bc4-+ 10.d4? (10.Nf3 Bb4-+) 10...cd3! 11.Bd3 (11.Qd3 Nc6 Combination; 11.Bd3 Nc6 Combination) 11...Nc6 12.Nf3 Bb4 13.Qb3 0-0 14.0-0 Qe7 15.Nb5 Na5?? (15...Ne4 16.Bd4-+) 16.Qd1?? (better 16.Bf6 Nb3 17.Be7 Be7 18.Rb3+/-) 16...Bb5 17.Bb5 Nc4 (better 17...Bd6-+) 18.Bd4?? (18.Bf6!? gf6 19.Qb3=+) 18...Bd6?? (18...Na3 19.Bf6 gf6 20.Rb4 Qb4 21.Bd3-+) 19.Qb3? (19.Bf6 gf6 20.Bc4 dc4-/+) 19...Ne4 (better 19...e5 20.Bc3 Ra3-+) 20.Bc4-/+ dc4 21.Qc4 Rfc8 22.Qb3 (22.Qd3 Nc5 23.Qb5-/+) 22...Nc5 (better 22...e5!? 23.Ba1 Nc5-/+) 23.Bc5= Bc5 24.Qb7 Qb7 25.Rb7 g6 26.Rfb1 Bd6 27.h3 Rab8 28.Nd4?? (better 28.Kf1=) 28...Rb7-+ 29.Rd1 Be5 30.Nf3 Bf6 31.e4 Rd8 32.Ra1 (32.Re1 Rb2-+) 32...Rb2 (better 32...Ba1 33.g4 Rb4-+) 33.e5 Be7 34.Rc1 Kg7 35.Rc7 (35.g4 Ra8 36.Kg2 Raa2-+) 35...Bb4 (better 35...Rd1 36.Kh2 Bd8-+) 36.Kf1 (36.Ng5 Rd1 37.Kh2 Rf2 38.Ne6 Kh6-+) 36...Rd5 (36...Rd1 37.Ne1 Re1) 37.g3 (37.Kg1 Rd1 38.Kh2 Rf1-+) 37...Rd3 (better 37...Bc5 38.Rc5 Rc5 39.g4-+) 38.Ng5 Kh6 (38...h6 39.Ne6 Kg8 40.Nf4-+) 39.Nf7 (39.h4 Bd2 40.Nf7 Kh5-+) 39...Kh5 40.g4 (40.Nd6 Bd6 41.Rh7 Kg5 42.ed6 Rd6 43.Rf7-+) 40...Kh4 41.Nd6 Bd6 (41...Bd6 42.Rh7 Kg5 43.ed6 Rf3-+) 0-1. ClayPigeons (2165) - Fox235 (2080), Rated Bullet game, lichess.org, 2020.

7.c4 a6 8.Nf3 dc4 9.Bc4 Qe7 (9...Bd6!?=) 10.0-0 Nd5 (10...Ne4 11.Nc3 Nd6 12.Be2+/-) 11.Qb3 Nb6 12.Be2 Qb4 (12...ab5!? 13.Ra8 Na8+=) 13.Qb4+/- Bb4 14.Bg7 Rg8 15.Be5 Ke7 16.Nc3 ab5 17.Ra8 Na8 18.Nb5 Bb5 19.Bb5 Rd8 (19...f6 20.Rb1 Bd6 21.Bd4+-) 20.d4 (20.Ra1 f6 21.Bf6 Kf6 22.Ra8 Rd5+-) 20...f6 21.Bg3 Bd6 22.e4 (22.Ra1 Nd7+-) 22...Bg3+/- 23.hg3 Nc7 24.Bd3 (24.Rb1 b6+/-) 24...Nc6 25.Rc1 Rd7 26.d5 ed5 (26...Nb4 27.Bb1=) 27.ed5+= Nd5 28.Bb5 (28.Bh7 Kd6 29.Bf5 Re7+=) 28...Rd6 (28...Kd6 29.Kf1=) 29.Re1 Kf7 30.Bc4 Nce7 31.Nd4 Kg6 32.Bd3 f5 (32...Kg7 33.Kf1=) 33.g4+= Kg5 34.gf5 Nf5?? (better is 34...Kf6 35.Re6 Re6 36.fe6 h6+=) 35.Nf5+- (35.Bf5?! Nf4+/-) 35...Rd7 36.g3 Nb4 (36...Nc3 37.Re3+-) 37.f4 Kg4 (37...Kf6 38.Be4 h5+-) 38.Be2 (38.Be4 Na2 39.Ne3 Kg3 40.Rf1+-) 38...Kf5+= 39.Rc1 Nd5 40.Kf2 (better is 40.Bf3 Nb4 41.Rc5 Kf6 42.Rb5+=) 40...Rc7 (40...Nf4 41.gf4 Kf4 42.Rb1=) 41.Rd1 (41.Bd3 Kf6 42.Rc7 Nc7 43.Bh7 b5+-) 41...Nc3 (better is 41...Nf4 42.gf4 Kf4=) 42.Rd5?? (better is 42.Bd3 Ke6 43.Rh1+/-) 42...Nd5–+ 43.Kf3 (43.Bd3 Kg4 44.Be2 Kh3 45.Bf1 Kh2–+) 43...Rc3 (43...Nf4!? 44.Bd1 Rc3 45.Kf2 Nd3 46.Kf1–+) 44.Kf2 Re3 (44...Nf4 45.Bf3–+) 45.Bb5 (45.Bc4 Nb6 46.Ke3 Nc4 47.Kd4 Nd6–+) 45...Ke4 46.Bd7 Rf3 47.Kg2 Ne3 48.Kh2 Nf1 49.Kg2 Ne3 50.Kh2 Rf2 51.Kh3 Kf3 (better is 51...Rf1 52.Kh4–+) 52.Be8 (52.Bc8 Rb2 53.f5 Nd5–+) 52...Rg2 53.Bh5 (53.Kh4 Rg3 54.Kh5 Nd5–+) 53...Kf2 54.Kh4 (54.Be8 Rg3 55.Kh4 Nf5 56.Kh5 Ng7 57.Kh6 Ne8–+) 54...Nf5 (better is 54...h6 55.Bg4 Rh2 56.Bh3–+) 55.Kg5 Ng3 0–1. GuestRTFM – nexnexnex, freechess.org, 2018.

7.c4 a6 8.Nf3 Be7 9.Be2 0-0 10.0-0 dc4 11.Bc4 Qb6 (11...ab5? 12.Ra8 bc4 13.Be5+-) 12.Nc3 Nd5?? (better is 12...Rc8 13.Qe2 Qc5=) 13.Bd5+- ed5 14.Nd5 Qc5 15.Ne7 Qe7 16.Ba3 Qf6 17.Bf8 Kf8 18.Nd4 Qb6 (18...Kg8 19.Qc2 Qe5 20.Rfc1+-) 19.Qe2 (19.Qc2 g6+-) 19...Be8 (19...Kg8 20.Rfc1+-) 20.Rfb1 Qc7 21.Rc1 Qb6 (21...ab5 22.Qd3 Ra1 23.Ra1 Kg8+-) 22.Rc8 Qf6 23.ba6 Ra6 24.Rac1 g6 (24...Nc6 25.Nc6 Rc6 26.R1c6 bc6+-) 25.Qb5 (better is 25.Rb8!? Qd6 26.Rb7 h6+-) 25...Kg7 (25...Nc6 26.Qb7 Nd4 27.Re8 Kg7 28.ed4 Rd6+-) 26.Qe8 (26.Qe8 Nd7 27.Qd7+-; 26.Rb8? Bb5 27.Rb7 Bd3–+) 1–0. GuestFWLS – GuestCHPJ, freechess.org, 2017.

7.c4 Bb4 8.Nf3 0-0 9.Qb3 a5 (9...Qe7 10.Bd4=) 10.Nc3 (10.ba6 Na6 11.Nc3=) 10...dc4 11.Bc4 Qc7 12.0-0 Rc8 13.Be2 Be8 14.Rfc1 Qd6 15.d4 Nbd7 16.g3 (16.Na2!?+/-) 16...Nb6 17.Ne5 Nfd5 18.Nc4 ½–½. usingprogram (2070) – tricvaidzins, kurnik, 2013.

7.c4 b6 8.Nc3 dc4 9.Bc4 Be7 10.Qb3 0-0 (10...Bc8 11.Nf3+=) 11.Nf3 (11.Be2 a6+=) 11...Bc8 12.Ne5 Bb7 13.f3 (13.0-0 Nbd7 14.Nd7 Qd7=) 13...Nbd7 14.Nc6 Qe8 (14...Bc6!? 15.bc6 Ne5=) 15.d4+= a6?? (better 15...Bd6+=) 16.Ne7+- Qe7 17.Ba3 (17.ba6!? Bd5 18.Ba3 Bc4 19.Qc4 Qd8 20.Bf8 Qf8+-) 17...Qd8? (better 17...ab5 18.Nb5 Rfb8+/-) 18.Bf8+- Nf8 (18...ab5 19.Ra8 Qa8 20.Be6 fe6 21.Bd6 Qa1 22.Nd1 Qa5 23.Bb4+-) 19.ba6 Bc6 20.Kf2 (20.0-0 N6d7+-) 20...Nd5 (20...Qc7 21.h3+-) 21.Rhc1 (21.Nd5 Bd5 22.Bd5 ed5+-) 21...Nd7?? (21...Qh4 22.Ke2 Qh2 23.Nd5 Qg2 24.Kd3 ed5 25.Bd5 Qg6 26.Be4 Be4 27.fe4 Qd6+-) 22.Bb5 (better 22.Nd5 Bd5 23.Bd5 ed5 24.Qd5 Ra7+-) 22...Nc3 (22...Bb5 23.Nb5 (worse 23.Qb5 Nc7 24.Qc4 Nf6+-) 23...Qh4 24.Kg1+-) 23.Rc3 (better 23.Bc6 Ne5 24.Rc3 Qh4 25.Kg1 Ra6+-) 23...Bd5 (23...Bb5 24.Qb5 Nf6 25.Rc6+-) 24.Bc4 (24.Qc2 Nf8+-) 24...Nf6 (24...Qh4 25.Ke2 Nf6 26.h3+- (26.Qb6?! Qh2 27.Kd3 Qg2 28.Bd5 Nd5+/-)) 25.Bd5 (25.Kg1 Bc4 26.Rc4 Nd5+-) 25...Nd5 26.Rc6 Qd7 (26...b5 27.Qb5 Qh4 28.Kg1+-) 27.Qb5 Nc3 (27...h6 28.Rac1 Kh7 29.Qb3+-) 28.Qc4 (28.Qb6 Nd5 29.Qb7 Qd8+-) 28...Nd5 29.e4 (29.Rc1 Ne7 30.Rb6 Qd8+-) 29...Ne7 (29...b5 30.Qb5 Ne7 31.Rb6 Qd4 32.Ke2+-) 30.Rc7 White intends a7 (30.Rb6!? Qd8 31.Qc5 Nc8+-) 30...Qd8 31.a7 b5 (31...Ng6 32.Rc1 Nf8 33.Kf1+-) 32.Qc5 Nc8 (32...Ng6+-) 33.Rc8! Qc8 (33...Rc8 34.Qc8; 33...Qc8 34.Qc8 Combination) 34.Qc8 Rc8 35.a8Q Rf8 36.Qc6 (36.d5!? ed5 37.ed5 h5+-) 36...g6 37.Ra8 (better 37.d5 ed5 38.ed5 g5+-) 37...Kg7 38.Rf8 Kf8 39.Qb5 (39.d5 ed5 40.ed5 Kg7 41.d6 Kh6 42.d7 Kg5 43.d8Q Kh6 44.Qdf6 b4 45.Qc1 Kh5 46.Qcg5) 39...Kg7 40.Qc4 (40.Qe5 Kg8+-) 40...h6 41.Qc5 (41.d5 g5 42.d6+-) 41...f6 42.e5 (42.Qe7 Kh8 43.d5 ed5 44.ed5 g5 45.d6 g4 46.d7 g3 47.Kg3 Kg8 48.d8Q) 42...g5 43.Qe7 Kg6 44.Qf6 (44.ef6 Kf5 45.g4 Kf4 46.Qd6 e5 47.Qe5) 44...Kh5 (44...Kh7 45.d5 g4 46.d6 h5 47.d7 g3 48.Kg3 h4 49.Qh4 Kg6 50.d8Q Kg7 51.Qhf6 Kh7 52.Qdh8) 45.g4 Kh4 46.Qh6 1-0. ClayPigeons (2100) - Ntk2006 (2120), Rated Bullet game, lichess.org, 2021.

7.c4 b6 8.Nf3 Be7 9.Be2 0-0 10.0-0 Bd6 11.d4 Re8 (11...dc4 12.Bc4 a5 13.Ne5+=) 12.Nbd2 Bc8 13.cd5 (13.Qc2 dc4 14.Nc4 a6+-) 13...ed5+= 14.Rc1 (14.Ba3 a5+=) 14...Bf5 15.Ne5 Nbd7 (15...Qe7 16.Qa4=) 16.f4 (better 16.Nc6 Qc8 17.Ne7 Be7 18.Rc8 Rac8 19.Qb3+-) 16...Be5?? (better 16...Ne4=) 17.fe5+- (17.de5?! Ne4+=) 17...Bg6 18.ef6 Nf6 19.Qb3 Qe7 20.Rfe1 (20.Rc3!? Rac8+-) 20...Qe3 21.Qe3 Re3 22.Bf3 Rae8? (better 22...Re1 23.Re1 Rc8+-) 23.Re3 Re3 24.Bc3 (better 24.Ne4! Bf5 25.Nf6 gf6 26.Bd5+-) 24...Re8 (24...Bd3 25.Kf2 Re6 26.Ra1+-) 25.Kf2 (25.Ra1 Ra8+-) 25...h6 (25...Bd3 26.Ra1+-) 26.Bb4 Ne4 (26...Bd3 27.Rc7 Bb5 28.Ra7+-) 27.Ne4 (27.Be4 Be4 28.Ne4 Re4 29.Rc8 Kh7+-) 27...de4 28.Be2 f5 (28...e3 29.Kf3 f5 30.Bc4 Kh7 31.Bd3 Bh5 32.Kg3+-) 29.g3 (29.Rc7 Bf7+-) 29...Bf7 30.h4 (30.Ke3 Ra8+-) 30...g5 (30...e3 31.Ke1 Rd8+-) 31.hg5 hg5 32.Bd2 Kh7 (32...Rd8 33.Rc7+-) 33.Bg5 Kg6 34.Bf4 Rd8 (34...Re7 35.Rc6 Kg7 36.Be5 Kh7 37.g4 fg4 38.Bg4+-) 35.Ke3 (better 35.Rc6 Kh7+-) 35...Rd5 (35...Bd5 36.Rc7 Ra8 37.Be5+-) 36.Rh1 (36.Rc6!? Kg7 37.Be5 Kf8+-) 36...Rd7 (36...Kf6 37.Rh6 Kg7 38.g4 fg4 39.Ke4+- (39.Bg4?! Rb5 40.Rc6 Bd5 41.Be5 Kf7 42.Rc7 Kg8+-)) 37.Rh6 (37.g4 Be6+-) 37...Kg7 38.Rc6 Bd5 39.Be5 Kf7 (39...Kf8+-) 40.Bh5 Kf8 41.Rh6 (41.Rc8 Rd8 42.Rd8 Ke7 43.Rd5+-) 41...Bf7 (41...Bg8 42.Rf6 Ke7 43.Rf5+-) 42.Rf6 Kg7 (42...Ke8 43.Rf5 Bh5 44.Rh5 Rd5+-) 43.Rf7 (43.Rf7 Kh6 44.Rf5 Re7 45.d5 Kh7 46.d6 Re6 47.d7 Rg6 48.d8Q Rg8 49.Rf7 Kh6 50.Qg8 Kh5 51.Rh7) 1–0. BeepBeepImAJeep (2515) – Tenessy (2325), lichess.org, 2018.

7.c4 Bc5 8.cd5 (8.Qf3 a5=) 8...ed5= 9.Bd3 0-0 (9...Qb6 10.Nc3 Qd6 11.Na4+=) 10.Nf3 (10.Qc2 Bd6=) 10...Be6 (10...Qe7 11.Ne5=) 11.0-0 Nbd7 12.Qc2 h6 (12...Rc8 13.Rc1=) 13.Nd4 (13.Rc1 Qe7=) 13...Rc8 14.Ne6 (14.Qa4 Bb6=) 14...fe6 15.Qb3 (better is 15.Rc1=) 15...e5 (better is 15...Bb6!?=) 16.Nc3+/- Nb6 17.Ra7 Nc4 (17...Qd7 18.f4 ef4 19.Rf4+/-) 18.Nd5! (18.Rb7? Na5 19.Rg7 Kg7–+) 18...Nd5 (18...Qd5 19.Qc4 Remove defender; 18...Nd5 19.Qc4 Remove defender) 19.Bc4+- Ba7 20.Bd5 Kh8 21.Be5 (better is 21.Bb7 Rb8 22.Bd5+-) 21...Rf5? (better is 21...Rc5 22.Qb2 Qd7+-) 22.d4 (22.f4 Rc5 23.Be4 Rce5 24.fe5 Rf1 25.Kf1 Qd2+-) 22...Bb8 (22...Qh4 23.g3 (23.Bb7?? Qf2 24.Rf2 Rc1 25.Qd1 Rd1 26.Rf1 Rdf1) 23...Qh5 24.Be6 Re5 25.de5+-) 23.Bb7 (23.Be6 Re5 24.de5 Rc7+-) 23...Be5 24.Bc8 (worse is 24.de5 Rc5 25.f4 Qb6+-) 24...Qc8 (24...Bh2 25.Kh2 Qc8 26.e4 Rh5 27.Kg1+-) 25.de5 Re5 26.b6 Qb7 27.Rd1 Re8 28.Rd6 Rc8 (28...Qe7 29.Qd1+-) 29.Qb2 (29.Qd1 Qe7 30.h3 Rb8+-) 29...Kh7 30.Qb1 Kg8 31.f4 Qe7 (31...Kh8 32.e4+-) 32.Qb3 Kh7 (32...Kh8 33.Qe6 Qf8+-) 33.b7 Rb8 34.Qc2 1–0. DEFFM – GuestGMJT, freechess.org, 2018.

7.c4 Qc7 8.cd5+/- Bb4 (8...ed5 9.Bd4+/-) 9.de6 (9.Nf3 0-0+/-) 9...Be6 10.Be2 0-0 11.Nf3 Bc4?? (better is 11...Nbd7+=) 12.Qc2 Rc8 13.b6! Qb6 (13...ab6 14.Ra8 Pinning (14.Ra8 Deflection); 13...Qb6 14.Bc4 Deflection) 14.Bc4 Nbd7 15.Ng5 1–0. DEFFM – GuestYKVF, freechess.org, 2018.

7.c4 Bd6 8.Nf3 dc4 9.Bc4 0-0 10.d4 Qe7 (10...Qc7 11.Qb3=) 11.Qb3 Bb4 12.Nc3 Rc8 13.0-0 a6 14.Ne5 ab5? (better 14...Be8+=) 15.Ra8+- bc4 16.Qc2 (16.Nc4 Bc6 17.Ne5 Nd5+-) 16...Nc6 (better 16...b5+/-) 17.Rb1?? (better 17.Nc6 bc6 18.Rfa1+-) 17...Ra8-+ 18.Nd7 (18.Nc4 Ra6-+) 18...Qd7 19.Ne4 (19.Rd1 Bc3 20.Bc3 b5-+) 19...Ne4 20.Qe4 c3 21.Bc1 Qd5 22.Qd3 Ra2 (better 22...e5 23.h3-+) 23.g3 (23.e4 Qd4 24.Qd4 Nd4 25.Rb4 Ra1-+) 23...c2 (better 23...Ne5!? 24.e4 Nd3 25.ed5-+) 24.Rb2 Rb2 25.Bb2 Qa2 26.Qc2 Ba3 27.d5 ed5 28.Qf5 Qb2 29.Qc8 (29.Qd5 Kf8-+) 29...Bf8 Black plans d4 30.Kg2 (30.h3 Qc1 31.Kg2 b5-+) 30...d4 31.ed4 Nd4 32.Qc4 Ne6 33.Qd5 Qf6 (33...b5 34.h4-+) 34.h4 (34.Qb7 g5-+) 34...Qg6 (34...Bc5 35.Qb7 Qf2 36.Kh3-+) 35.Qe5 (35.Qb7 h5 36.Qf3-+) 35...Qf6 (35...Qd3 36.Qh5-+) 36.Qb5?? (36.Qd5 Bc5 37.Qb7 Qf2 38.Kh3-+) 36...Qd4 (36...b6 37.Qd5-+) 37.h5 (37.Qb7 g5-+) 37...Qe4 38.Kh3 (38.f3 Qf3! 39.Kf3 Nd4 40.Ke3 Nb5-+) 38...Qc6 (38...Qh1 39.Kg4 g6 40.Qe5 Bd6 41.Qc5 Bc5 42.hg6 hg6 43.f3 Qh5) 39.Kh2 (39.Qc6 bc6 40.Kg2-+) 39...Qb5 40.h6 (40.Kg2 Qd5 41.Kg1 Qd1 42.Kg2 Bc5 43.h6 Ng5 44.g4 Qf3 45.Kg1 Qf2 46.Kh1 Qg1) 40...Qc6 (40...Qf1 41.hg7 Qf2 42.Kh3 Bd6 43.Kg4 Qg3 44.Kf5 Qf3) 41.hg7 (41.f4 g5 42.f5 Qc2 43.Kh3 Qf2 44.fe6 Qf1 45.Kg4 f5 46.Kg5 Be7 47.Kh5 Qh3) 41...Qc5 (41...Bg7 42.Kg1 Qf3 43.Kf1 Nd4 44.Kg1 Ne2 45.Kf1 Ng3 46.Ke1 Qe2) 42.gf8Q-+ Kf8 43.Kh3 (43.Kg1 Qc1 44.Kg2 b5 45.Kf3 b4 46.Ke2 b3 47.f4 Nd4 48.Kd3 b2 49.Kd4 Qd2 50.Ke5 Qc3 51.Kf5 b1Q 52.Kg5 Qg3 53.Kh5 Qbg6) 43...Ke7 (43...Qf2 44.Kg4 f5 45.Kh3 b5 46.Kh4 Qh2) 44.g4 Qc4 (44...Qf2 45.g5 h5 46.gh6 f5 47.h7 Nf4) 45.f3 (45.Kh4 Qf4 46.Kh3 Qf3 47.Kh2 Nf4 48.g5 Qg2) 45...Qd5 (45...Qf1 46.Kg3 Qg1 47.Kh3 Ng5 48.Kh4 Nf3 49.Kh5 Qh2) 46.Kg3 (46.Kg2 Qd2 47.Kg3 Qe1 48.Kh2 Qf2 49.Kh1 Nf4 50.g5 Qg2) 46…Qg5 (46...Qg5 47.f4 Qf4 48.Kg2 Qe3 49.g5 Nf4 50.Kf1 Qf3 51.Ke1 Qe2; 46...Qd4 47.Kg2 Nf4 48.Kg3 Ne2 49.Kh4 Qd6 50.g5 Qg3 51.Kh5 Qh3) 0-1. ClayPigeons (2105) - bradobrey (2105), Rated Bullet game, lichess.org, 2021.

7.c4 Be7 8.Qb3 0-0 9.Nf3 a6 10.Nc3 ab5?? (better 10...dc4 11.Bc4 Qb6=) 11.Ra8+- bc4 12.Qa2 Qc7 (12...b5 13.Ne5 b4 14.Ne2+-) 13.Be2 (13.d3 b5 14.dc4 dc4+-) 13...Na6 (13...b5 14.Nd1+-) 14.Rf8 Bf8 15.0-0 Nb4 (15...Bd6 16.Rc1+-) 16.Qa1 (16.Qa8 b6+-) 16...e5 17.Na4 (17.Nd1 e4 18.Ne5 Be6+-) 17...Nc2 (better 17...Qa5 18.Be5 Ba4 19.Bf6 gf6 20.Qf6 Qa6+-) 18.Qa2 (better 18.Be5 Qa5 19.Qc3 Qa4 20.Bf6 gf6 21.Bd1+-) 18...Nb4+= 19.Qb1 Ba4 20.Be5 Qc5 (better 20...Qe7!?+=) 21.Bf6+/- gf6 22.Nd4 (22.Qf5 Qd6+/-) 22...Bg7 (better 22...Bd7+/-) 23.Nf5?? (better 23.Qf5+-) 23...Bc2-+ 24.Qb2 Bf5 25.Ra1 Nd3 (better 25...Qe7!?-+) 26.Ra8 Bf8 27.Qb7 c3 (better 27...Kg7 28.Ra7 Be6-/+) 28.Qb8?? (better 28.dc3 Qc3 29.h3=+) 28...cd2 (better 28...c2 29.Qg3 Kh8-+) 29.g4 (29.h4 Ne5-+) 29...Bg6 30.h4? (30.Bd1-+) 30...Qc1 (better 30...Nb2! 31.Qd8 Be4-+) 31.Kg2?? (31.Kh2 Qc5 32.Kg1-+) 31…Be4 (31...Be4 32.f3 Ne1 33.Kf2 Qc5 34.fe4 de4=+) 0-1. ClayPigeons (2135) - viv001 (2105), Rated Bullet game, lichess.org, 2020.

7.c4 Be7 8.Nf3 0-0 9.Be2 dc4 10.Bc4 Qc7 (10...Be8 11.Nc3+=) 11.Qe2 (11.Bd3 Be8+=) 11...a6 (11...Rc8 12.Bd3+=) 12.Be5+- Qc5 13.Nc3 Nd5 (13...Rc8 14.Bd3+-) 14.Bd4 Qb4 (14...Qd6!?+-) 15.Ne5+- Nc3 16.dc3 Qd6 17.0-0 ab5 (17...Bf6 18.f4+-) 18.Ra8 bc4 19.Nc4 Qd5 20.Nb6 Qc6 21.Rb1 Na6?! (21...e5 22.Be5 Qe4+-) 22.Rf8 Bf8 23.Nd7 Qd7 24.Qb5 (24.Qb5 Qd6 25.e4+-) 1–0. Pierre – Kuyce, internet, 2019.

7.c4 Be7 8.Nf3 b6 9.cd5 ed5 10.Be2 (10.Bf6 Bf6 11.d4 Qc7+=) 10...0-0 11.h3 (11.0-0 Bc8+=) 11...Qe8 (11...Re8 12.0-0+=) 12.Nc3+= Be6 (12...Qd8 13.0-0+=) 13.Nd4 (13.0-0 Bd6+=) 13...Nbd7 (13...Bc5 14.Qa4+=) 14.Ne6 (14.Nc6 Bd6+=) 14...fe6 15.d4 (15.0-0 Bb4+=) 15...Qf7 (15...Rc8 16.0-0+= (worse is 16.Ra7 Bb4+=)) 16.0-0+= e5 (better is 16...Rfc8!?+=) 17.de5+- Ne5 18.Nd5 Nd5 19.e4 (19.Be5 Rfc8+-) 19...Kh8 (better is 19...Rfd8!? 20.Be5 Nf4+/-) 20.Be5 (20.Qd5!? Bf6 21.Qf7 Rf7 22.Ra2+-) 20...Qe6 1–0. DEFFM – Datacare, freechess.org, 2016.

7.c4 Be7 8.Nf3 dc4 9.Bc4 Qc7 10.Be2 0-0 11.0-0 a6 12.d4 (better 12.Be5 Qb6 13.ba6 ba6 14.Nc3+=) 12...ab5?? (better 12...Nd5=) 13.Ra8+- Na6 14.Rf8 Bf8 15.Nc3 (15.Qb3 Qd6+-) 15...b4 16.Nb1 Qa5 17.Nbd2 Ba4 (17...Qa2 18.Qc1+-) 18.Qa1 Nd5 (18...b5 19.Rc1+-) 19.Nc4 (better 19.Nb3! Qc7 20.Qa4 Qc2+-) 19...Qb5 20.Nce5 Qe8 21.Bc4 (21.Rc1 f6 22.Nc4 b5+-) 21...Nb6 (21...f6 22.Nd3+-) 22.Qa2 (22.Bd3 f6 23.Nc4 Nc4 24.Bc4 Bc6+-) 22...Bb5 (22...Nc4 23.Nc4 (23.Qc4?! Bb5 24.Qc2 Bf1+-) 23...Bc2 24.Qa5+-) 23.Bb5 Qb5 24.Rb1 (24.Ng5 Qd5 25.Qd5 ed5 (25...Nd5?? 26.Ngf7 g6 27.Rc1+-) 26.Ngf7 Nc4+-) 24...Qe8 (24...Bd6 25.Qb3+-) 25.Bc1 (better 25.Ng5!? Qa4 26.Qa4 Na4 27.Ngf7 Nc3 28.Bc3 bc3+-) 25...f6 26.Nd3 Qb5 (26...Nd5 27.Qb3+-) 27.Qc2 (better 27.Qe6 Kh8 28.Nde5 fe5 29.Ne5 Qd5 30.Qb6 Be7+-) 27...Bd6 28.Bd2 Kf7 29.g3 (29.Nc5 Nc4 30.Nb7 Be7+-) 29...Nd5 (29...Nc4 30.Rc1 Na3 31.Qb3+-) 30.Nfe1 (30.e4 Nb6+-) 30...Qc4 (30...Nb6+-) 31.Qc4 (31.Qc4 Nac7 32.e4+-) 1–0. BeepBeepImAJeep (2520) – quickpawns1 (1955), lichess.org, 2019.

7.Qf3 a6 8.Qg3 Ne4 9.Qe5 f6 10.Qd4 Bc5 11.Qd3 Bb5 12.c4 Bc4 13.Qc2 Bf1 14.Ne2 Be2 15.Ke2 0-0 16.f3 Ng5 17.h4 Nf7 18.f4 b6 19.g4 d4 20.Qd3 Nc6 21.g5 f5 22.h5 Nb4 23.Qb3 d3 24.Ke1 Nc2 25.Kd1 Na1 26.Ba1 Qd5 27.Rf1 Qb3 0–1. sadol – w390, lichess.org, 2018.

7.Nf3 a6 8.c4 a5 9.Qb3 (9.Qa4 Be7+=) 9...dc4 (9...Bb4 10.Nc3+=) 10.Bc4+= b6 (10...Bd6 11.0-0+=) 11.0-0 Be7 (11...Bc8 12.d3+=) 12.Nc3 0-0 13.d4 Bc8 14.Rfd1 (14.d5 ed5 15.Nd5 Nd5 16.Bd5 Ra7+/-) 14...Bb7 (14...Nbd7 15.Ne5 Ne5 16.de5+=) 15.Ne5 (15.d5 ed5 16.Nd5 Nd5 17.Bd5 Bd5 18.Rd5 Qc8+=) 15...Nd5 16.Na4 Bb4 (16...Bd6 17.e4 Nb4 18.Nc5 Be5 19.de5+=) 17.Rac1 (17.e4 Nf6 18.Be6 fe6 19.Qe6 Kh8+/-) 17...Qd6 (17...Re8 18.e4 Nf6 19.f3+=) 18.e4+/- Nf6 (18...Ne7 19.Bd3 Qd8 20.Qc2+/-) 19.f3 (19.Nf7 Kf7 20.e5 Qe7 21.ef6 Qf6 22.Be6 Ke7 23.Rc7 Kd8+-) 19...Nbd7 (19...Nfd7+/-) 20.Nd7 (20.Nc6!? Bc6 21.e5+/-) 20...Qd7?? (better is 20...Nd7 21.Qe3 Rfd8+=) 21.Nb6+- (21.Nb6 Qe7 22.Na8 Ra8 23.Bc3 Bc3 24.Rc3+-) 1–0. Bittner (Bittorf,Hannjoerg??) – Hartmann, 1987.

7.Nf3 a6 8.c4 dc4 9.Bc4 Bd6 10.0-0 0-0 11.Qb3 Ne4 (11...Qe7 12.Be5+=) 12.d4 (12.Qd3 f5+-) 12...Qe8 (12...Qf6 13.Bd3 Qg6 14.Ba3 Ba3 15.Ra3+-) 13.Bd3 Nf6 (13...f5 14.Nc3+-) 14.e4+- e5?? (better 14...Nh5+-) 15.de5+- (15.Ne5?! Be6 16.Qa4 Qe7+-) 1–0. GuestRVNG – GuestLSYM, freechess.org, 2018.

7.Nf3 a6 8.c4 Bd6 9.Be5 Qe7 10.d4+=.

7.Nf3 a6 8.Be5 Be7+=.

7.Nf3 Bc5 8.c4 0-0 9.Nc3 dc4 10.Bc4 a6 11.0-0 a5 (11...Qc7 12.Qb3+=) 12.Qc2 b6 (12...Qe7 13.Na4 Re8 14.Ng5+- (worse is 14.Nc5 Qc5 15.Bf6 gf6+/-)) 13.Ne4 (13.Na4!? Bd6 14.Ng5+-) 13...Be7 14.Neg5 h6 (better is 14...g6!?+/-) 15.Bf6+- hg5 16.Ng5 g6 17.Be7 Qe7 18.Nf3 Be8 (18...Bc8 19.d4+-) 19.Qe4 Ra7 20.Qg4 (20.Rfc1 a4+-) 20...Nd7 (20...Qc5 21.Rfb1+-) 21.Nd4 (21.Rfc1 a4+-) 21...Nc5 (21...Ne5!? 22.Qe2 Nc4 23.Qc4 Rc7+/-) 22.d3 Bd7 23.Qh3 (better is 23.Nc6!? Bc6 24.bc6+-) 23...e5+/- 24.Nc6 (24.Qg3 ed4 25.Qg6 Kh8 26.Qb6 Bf5+/-) 24...Qf6?? (better is 24...Bh3 25.Ne7 Re7 26.gh3 Rd8+=) 25.Qg3+/- Bc6 26.bc6 Qc6 27.Qe5 Re8 28.Qg3?? (better is 28.Qb2 Rd8 29.Rfc1+-) 28...b5= 29.Ba2 Nd3 30.Rad1 Nb4? (30...Rd7 31.Bb1 Ne5 32.Rd4=) 31.Rc1?? (better is 31.Rd6 Qd6 32.Qd6 Na2 33.Qd5+-) 31...Qf6+= 32.Rfd1?? (better is 32.Bb1+=) 32...Na2–+ (32...Na2 33.Rc2 Nc3–+) 0–1. GuestXCSC – GuestJZGX, freechess.org, 2017.

8.Bc4 a6 9.Nc3 Bb4 10.Qb3 Bc3 11.Bc3 0-0 12.Qb2 Be8 (12...e5 13.Nf3+-) 13.Bb4 Nbd7 14.ba6 ba6 15.Bf8 Nf8 16.Nf3 Bb5? (16...a5+-) 17.Bb5 ab5 18.Ra8 Qa8 19.0-0 Qb8 (19...N8d7 20.Qb5 g6 21.Rc1+-) 20.Rb1 Nd5 (20...h6 21.Qb5 Qc7 22.Qb8+-) 21.Qb5 Qd6 (21...Qa7 22.h3+-) 22.Qb8 Qe7 (22...Qc5 23.h3 Qc7 24.e4 Qb8 25.Rb8+-) 23.Rb7 Qf6 (23...Qc5 24.h3 Nf6+-) 24.Ne5 Ne7 (24...h5 25.e4 Ne7 26.Nd7 Qa1 27.Rb1+-) 25.Nd7 Qa1 26.Rb1 Qb1 27.Qb1 Nd7 28.Qb7 Nf8 (28...f6 29.Qd7 Kf7 30.d4+-) 29.Qe7 1–0. Janek – tscjs, internet, 2018.

8.Bc4 a6 9.Nc3 Qc7 10.Qb3 Bc5 (10...Bd6 11.Nf3=) 11.Nf3 0-0 12.0-0 Be8 (12...Rc8 13.Rfc1+=) 13.Rfc1 Nbd7 (13...Bd6!?+/-) 14.d4+- ab5? (14...Bd6 15.ba6 ba6 16.Ba6+-) 15.Ra8 (better 15.Nb5!? Qd8 16.Ra8 Qa8 17.dc5 Nc5+-) 15...bc4 16.Qc4 (better 16.Nb5 cb3 17.Nc7+-) 16...Bb6?? (better 16...Nb6 17.Nb5 Qc6 18.Qc5 Qc5 19.dc5 Na8+/-) 17.Qc7 (better 17.Qb4!? Nc5 18.Nb5 Na6 19.Nc7 Nb4 20.Ne8 Re8+-) 17...Bc7 18.Ba3 b5 (18...Nb6 19.Ra7 Bc6 20.Bf8 Kf8+-) 19.Bf8 (19.Nb5 Nb6 20.Nc7 Na8 21.Na8 Bb5 22.Bf8 Kf8 23.Rc8 Ke7+-) 19...Kf8 (19...Nf8 20.Nb5! Bh2 21.Kh2 Bb5 22.Rcc8+-) 20.Nb5 Bb6 (20...Bb8 21.h4+-) 21.Nd6 Ke7 22.Nc8 Kf8 23.Ne5 Ne5 (23...Bd8 24.Na7 Ba5 25.Nd7 Nd7+-) 24.d5 (better 24.de5 Nd7 25.Nd6+-) 24...Nd5 (24...Ned7 25.Nd6 Ke7+-) 25.Nb6?? (better 25.Nd6 Ke7 26.Ne8 (26.Re8?! Kd6 27.Rd1 Kc6=) 26...Ne3 27.Rb1+- (27.fe3?! Be3 28.Kf1 Bc1+=)) 25...Nb6+/- 26.Rb1?? (26.Ra7 g5+/-) 26...Nbc4 (better 26...Na8 27.Rb8 Nc7-+) 27.Rbb8 Ke7?? (better 27...Nd6+/-) 28.Re8+- Kd6 (28...Kf6 29.Ra4 Nd6 30.Rf4 Kg6 31.Rb8+-) 29.f4 (29.Rh8 h6+-) 29...Ng4 (29...Nc6 30.Rh8+-) 30.Red8 (better 30.e4+-) 30...Kc7 (30...Ke7 31.e4 Kf6 32.Ra7+-) 31.e4 (better 31.Rac8 Kb7 32.Rc4 Ne3 33.Rd7 Ka6 34.Re4+-) 31...Nce3 (31...Nb6 32.Rab8 e5+-) 32.h3 1-0. ClayPigeons (2145) - mahdi_1997 (2145), Rated Bullet game, lichess.org, 2020.

8.Bc4 a6 9.Nc3 Be7 10.Nf3 0-0 11.0-0 Qc7 12.d3 Rd8 (12...Bc8 13.Qe2+/-) 13.Qb3 a5 (13...Bd6 14.Ne2+/-) 14.Ne4 (14.Rfc1 Be8+-) 14...b6 (14...Ne4 15.de4 Be8 16.Rfc1+/-) 15.Ne5 (15.Nf6!? Bf6 16.Bf6 gf6 17.Rfc1+/-) 15...Be8 (15...Ne4 16.de4 Bc8 17.Rfc1+=) 16.Nf6 Bf6 17.d4 (17.f4!?+/-) 17...Be5+= 18.de5 Nd7 19.Rfd1 (19.Rfc1 Ne5 20.Be6 Qd6+=) 19...Nc5 (19...Ne5!? 20.Be2 Nd7=) 20.Qc2 (20.Qa3 Rd1 21.Rd1 a4+=) 20...Qe7 (20...Rac8 21.Rd8 Qd8 22.Rd1+=) 21.Ba3 (21.Bd4 a4+/-) 21...Rd7 (21...Rac8 22.f4+=) 22.Rd7 Bd7 23.Rd1 Rd8 (23...Rc8 24.Qe2+/-) 24.f4 (24.Rd6 Nb7 25.Rb6 Qa3 26.Rb7 Qa1 27.Bf1 Be8+/-) 24...Bc8 (24...Rc8 25.e4+/-) 25.Rd8 (25.Bd3 Kh8+/-) 25...Qd8 26.h3 (26.Bc5 bc5 27.Qe4 Qd2+/-) 26...Qe7 (26...Bb7 27.Be2+=) 27.Kh2 (27.Qd1 h6+=) 27...Bb7 28.Bc5 (28.Qd1!?+=) 28...Qc5= 29.Qb3 (29.Bd3!?=) 29...Be4 (better is 29...Bd5 30.Bd5 ed5-/+ (30...Qd5?! 31.Qc2 Qd8 32.Kg3=)) 30.Kg3? (30.Qd1 Bd5 31.Bd5 ed5=) 30...h6?? (better is 30...a4 31.Qa4 Qe3 32.Kh2 Qf4 33.Kg1 Qe5–+) 31.Bd3?? (better is 31.Kf2+=) 31...Qe3–+ 32.Kh2 Qf4 33.Kh1 Qc1 (better is 33...Qg3 34.Qc2 Qh3 35.Kg1 Qd3–+) 34.Kh2 Qf4 (better is 34...a4 35.Qc4 Qc4 36.Bc4 a3–+) 35.Kh1 Bd3 (better is 35...Qg3 36.Qb2 Qh3 37.Kg1 Qd3–+) 36.Qd3 Qe5 (36...Qf2!? 37.Kh2–+) 37.Qd8 Kh7 38.Qb6 g6?? (better is 38...a4 39.Qa5 Qa1 40.Kh2 a3–+) 39.Qa5= (39.Qa5 Qc5 40.Qa6=). stoker – henroo1, Live Game Caissa's Web, 2004.

8.Bc4 Bb4 9.Qb3 Qe7 10.Nf3 a5 11.ba6 (11.0-0 0-0+=) 11...Na6 (11...ba6 12.0-0=) 12.Ba6 (12.0-0 0-0+=) 12...Ra6 (12...ba6 13.Bf6 Qf6 14.Nc3=+) 13.Ra6 ba6 14.0-0 (14.Bf6 gf6 15.0-0 0-0=) 14...a5=+ 15.Nc3 0-0 16.d4 Rb8 17.Qa2 (17.Ra1 Bc6=) 17...Qd8 (17...Rc8 18.Rc1=+) 18.Ne5= Bc8 (18...Be8 19.Rc1=) 19.Rc1 (better 19.Nc6 Qd6 20.Nb8 Qb8 21.Rc1+/-) 19...Bb7=+ 20.Nb5 (20.Ba3 Nd7 21.Nd7 Qd7=) 20...Nd5 (better 20...Bg2 21.Kg2 Rb5-/+) 21.Nd3? (21.Ba3!?=) 21...Be7 (better 21...Ba6 22.Na7 Bd3-+) 22.Qa4?? (22.Nc5 Nb4 23.Qa3 Qb6-/+) 22...Nb4 (better 22...Ba6 23.Na7 Bd3-+) 23.Nb4-/+ Bb4 24.Ba3? (better 24.Nc3-/+) 24...Ba6?? (better 24...Qg5 25.d5 Qd5-+ (worse 25...Bd5 26.g3 Qg4 27.Nd6-+)) 25.Nc3 (25.Bb4 Rb5 26.Be1 h6=) 25...Bc3 (25...Bc4 26.Na2 Ba2 27.Bb4 ab4 28.Qa2=) 26.Rc3 Bb5 27.Qc2 a4 28.Rc7 Be8 (28...Bd3 29.Qc5=) 29.g3 (better 29.Qc1=) 29...Qf6?? (better 29...Bb5=+) 30.f3 (better 30.Rc8 Rc8 31.Qc8+-) 30...Qf3-/+ 31.Qf2 (31.Bc1 e5!-/+) 31…Qd1 (31...Qd1 32.Qf1 Qb3-/+) 0-1. ClayPigeons (2205) - Absquatulate (2160), Rated Bullet game, lichess.org, 2021.

8.Bc4 Bb4 9.Nf3 0-0 (9...a5 10.Nc3+-) 10.0-0 (10.Qb3 Qe7+-) 10...Re8 (10...a5!?+-) 11.Qb3+- Be7 12.d4 Ne4 (12...Bc8 13.Nc3+-) 13.Nc3 Nc3 14.Bc3 Bc8 (14...Qb6 15.Ba5 Qd6 16.e4+-) 15.d5 (better 15.Rfd1 Bd6 16.e4+-) 15...Qd6? (better 15...Bd6+-) 16.Rfd1 e5 17.Be5 (17.Ne5?! Bf6 18.Nd3 Bc3 19.Qc3 Bf5+-) 17...Qb4 (17...Qg6 18.d6 Bf6 19.Bf6 Qf6 20.Rac1+-) 18.Qc2 Bd6 (18...Nd7 19.d6 Ne5 20.Ne5 Bd6+-) 19.Rdb1 Qc5 (19...Bf5 20.Qf5 Qc4 21.Ng5 Re5 A) 22.Qh7?! Kf8 23.Qh5 Rg5 (23...Qd5?? 24.e4 Qc4 25.Rc1+-) 24.Qg5 Nd7+=; B) 22.Qf7 Kh8 23.Rc1+-) 20.Bd4 Qc7 (20...Bh2 21.Kh2 Qd6 22.Kg1+-) 21.b6 ab6 22.Ra8 Qc4 (22...Nd7+-) 23.Qc4 (23.Qc4 b5 24.Rb5+-) 1–0. GuestWHVP – GuestWKSK, freechess.org, 2020.

8.Bc4 b6 9.Nc3 Be7 10.Nf3 0-0 11.0-0 Qc7 12.Qb3 (12.Qe2 Rc8 13.d3 Qb7+/-) 12...Bc8 13.Rfc1 (13.d4 Bb7+=) 13...Bb7 14.Be2 Qd7 (14...Qd8 15.d4+=) 15.Ne5+/- Qd8 (15...Qd2?? 16.Rd1 Qd8 17.Rd8 Rd8 18.Ba3 Ba3 19.Qa3+-) 16.d4 Nd5 (16...Nfd7 17.Nd7 Nd7 18.Bd3+/-) 17.Nd5 Bd5 18.Qc2 Bf6 (18...f5 19.Bd3+/-) 19.Nc6 (19.Bd3 Be5 20.de5 h6+/-) 19...Nc6 (19...Bc6 20.bc6 Qc7 21.Qe4+/-) 20.bc6+- Qc7 21.e4 Bc6? (better is 21...Bg5+-) 22.Qc6 Qc6 23.Rc6 1–0. Janek – tinhho, internet, 2017.

8.Bc4 b6 9.Nf3 Nd5? (better is 9...a5!? 10.Ne5 Qc7+-) 10.Nc3 Nc7 (10...Nc3 11.Bc3 (11.dc3?! Bc8+/-) 11...Bc8 12.Ng5+-) 11.0-0 a6 12.Ne5 Bd6 13.Ne4 Be5 14.Be5 f6 (14...0-0 15.Qg4 f6+-) 15.Qh5 g6 16.Qh6 Bb5 (16...fe5 17.Qg7 Qe7 18.Qh8 Qf8 19.Qe5 Kd8+-) 17.Nf6 Kf7 18.Ne4 Rg8 19.Nd6 Ke7 20.Qh7 (20.Qh7 Rg7 21.Qg7) 1–0. Janek – Guest933, internet, 2018.

8.Bc4 Bc5 9.Nf3 0-0 10.0-0 a6 11.d4 Bd6 12.Nbd2 Qc7 13.Bd3 b6 (13...Rc8 14.Ne5+=) 14.Qb3 (14.Qb1 Bc8+-) 14...a5 15.Rfc1 Qb7 16.Nc4 Be7 (16...Bc7 17.Ba3 Rc8 18.Nd6 Bd6 19.Bd6+-) 17.Ba3+- a4 18.Qb2 Ba3 19.Qa3 (19.Na3?! Rc8+-) 19...Bb5? (better 19...Rd8 20.Qd6 Qd5+-) 20.Nd6 Qe7 21.Nb5 Qb7 (21...Qa3 22.Ra3 Nbd7 23.Rc4+-) 22.Ne5 Na6 23.Qa4 (23.Rc4 Nb8+-) 23...Nc7 (23...Nc5 24.Qc2 (worse 24.dc5 Ra4 25.Ra4 bc5+-) 24...Nd3 25.Ra8 Qa8 26.Qd3+-) 24.Qb3 (worse 24.Nc7 Ra4 25.Ra4 Rc8+-) 24...Ra1 25.Ra1 Ncd5 (25...Nb5 26.Qb5 Nd5 27.Be4+-) 26.h3 (26.Ra7 Qc8 27.Qa3 Qd8+-) 26...h6 (26...Qc8 27.Qb1+-) 27.Nd6 (better 27.Ra7!? Qc8 28.Qb2 Qe8+-) 27...Qc7 28.Ndf7 (28.Qa3!? Qd8+-) 28...Rf7 29.Nf7 Qe7 (29...Kf7 30.Qb1 Qb8+-) 30.Ne5 (30.Ne5 Qd8 31.Bg6+-) 1–0. BeepBeepImAJeep (2660) – Stylow (2150), lichess.org, 2015.

8.Bc4 Bc5 9.Nf3 0-0 10.Nc3 Qb6 The isolani on b5 becomes a target 11.0-0 Ne8? (better is 11...Bd6+-) 12.Na4 Qd6 13.Qb3 b6 (13...Nf6 14.Nc5 Qc5 15.Ba3+-) 14.Nc5 bc5 15.Be5 (15.d4!? Nf6 16.dc5 Qc5+-) 15...Qb6 16.Qb2 (better is 16.Qd3!? Bc8 17.Ng5 g6+-) 16...f6 17.Bc3 (better is 17.Bg3 Nd6 18.Bd6 Qd6 19.Rfd1+-) 17...Nd6+/- Increasing the pressure on the isolated pawn on b5 18.Be2 (better is 18.d3+/-) 18...Ne4? (better is 18...Bb5 19.Rfb1 a6+=) 19.Ba5+- Qd6? (19...Qb7 20.Qc2 Be8+-) 20.d3 Ng5 21.Ng5 fg5 22.Bc3 Rf7 (22...Qe7 23.f4 a5 24.Bf3+-) 23.Bf3 Bc6 (23...Rf3 24.gf3 Qf8+-) 24.bc6 Nc6 25.Bc6 (better is 25.Ra6 Rc8+-) 25...Qc6 26.e4 Rb7 (26...c4 27.Qe2 cd3 28.Qd3+-) 27.Qa2 a6 28.Be5 Kf7 (28...a5 29.Rfc1+-) 29.Rab1 Rb1 30.Rb1 1–0. GuestHHJL – fusselzoio, freechess.org, 2017.

8.Bc4 Qc7 9.Qb3 a6 10.Nf3 ab5? 11.Ra8+- bc4 12.Qa2 (12.Be5!? Bd6 A) worse 13.Rb8 Qb8 14.Bd6 Qd6 (14...cb3? 15.Bb8 Ke7 16.Be5+-) 15.Qc4 Bc6=+; B) 13.Bd6 Qd6 14.Qc4+-) 12...Bd6+/- 13.Nc3 (13.Bf6!? gf6 14.Nc3+/-) 13...0-0= 14.0-0 b5 15.Rc1 Bc5 (15...Qb6 16.Qa5 Qa5 17.Ra5=) 16.Ne2 (16.Nb5 Bb5 17.Bf6 gf6+=) 16...Qb7 (16...Bc6 17.Be5 Qb7 18.Rb8 Rb8 19.Bb8 Qb8 20.Ned4=) 17.Bd4 (17.Bf6 gf6 18.d4 cd3 19.Rc5 de2+/-) 17...Bd4 (17...Bc6!? 18.Bc5 Qa8 19.Qa8 Ba8 20.Bf8 Bf3 21.gf3 Kf8+-) 18.Ned4+= Nd5 (18...Nc6!? 19.Rf8 Kf8+/-) 19.Rb1 f6 (19...Nb6 20.Ra7 Qd5+-) 20.e4 (better 20.Ra5!?+-) 20...Nc7+= 21.Ra1?? (better 21.Ra7 Qb6 22.d3+=) 21...Na8-+ 22.Qa8 Qa8 23.Ra8 Kf7 (better 23...e5!? 24.Ne2-+) 24.e5 (24.Ra7 b4 25.Rb7-/+) 24...Ke7 (24...b4 25.Ra7 g5 26.Rb7-/+) 25.ef6? (better 25.Ra7=+) 25...gf6-+ 26.Kf1 (26.Nc2 Nc6 27.Ra6 e5-+) 26...e5 27.Nc2 Kd6 (27...Nc6 28.Ra6-+) 28.Nb4 Kc5?? (28...Re8 29.Ra7-+) 29.Nc2?? (better 29.Na6 Kd6 30.Nb4-+ (30.Nb8? Bc6 31.Nc6 Ra8-+)) 29...Kb6 (29...Bc6 30.Ra7-+) 30.Ra1 (30.Nb4 Bc6 31.Nc6 Kc6-+) 30...Bc6 31.Rb1 (31.Ke2 Rd8-+) 31...Bf3 32.gf3 Kc5 33.Ne3 (33.f4 ef4 34.Nb4 Rd8-+) 33...Nc6 34.Nf5 Nd4 35.Ne3 (35.Nd4 ed4 (35...Kd4?! 36.Rb5 Rf7 37.f4-/+) 36.Re1 Ra8-+) 35...Nf3 36.Ke2 Nd4 (36...Nh2?! 37.Rh1-/+) 37.Kd1 Rg8 38.Ke1 (38.Kc1 b4-+) 38...Rg1 39.Nf1 Nf3 40.Ke2 Nd4 41.Ke3?? (41.Ke1 b4 42.f4-+) 41...b4-+ 42.Ra1 (42.Rc1-+) 42...Nc2 43.Kf3 Na1 44.Ne3 f5! 45.Nf5 e4! 46.Ke4 Rg2 (better 46...b3 47.Ng3 b2 48.Ke5-+) 47.Kf3 (47.Ne3 b3 48.d4 cd3 49.Ng2 b2 50.Kd3 b1Q 51.Ke3 Nc2 52.Kd2 Nd4-+) 47...Rh2 48.Ne3 (48.Ke2 b3 49.Ng3 Kd5-+) 48...c3 (better 48...Rh3 49.Ke2 Re3 50.Ke3-+) 49.Kg3 (49.dc3 Rh3 50.Kg2 b3 51.Kh3 b2-+) 49…cd2 (49...cd2 50.Kh2 b3-+) 0-1. ClayPigeons (2190) - itiscoco (2195), Rated Bullet game, lichess.org, 2020.

8.Bc4 Qc7 9.Be2 Bb4 10.Nf3 0-0 11.0-0 a6 (11...Nd5 12.Qa4=) 12.Bf6+= gf6 13.d4 Bb5?? (better 13...Rc8+=) 14.Bb5+- ab5 (14...Rc8+-) 15.Ra8 Bd6 16.Nbd2 e5 (16...Nc6 17.Rf8 Bf8 18.Qe2+-) 17.de5 (17.Qb1 Nc6 18.Rf8 Bf8 19.Qb5 Bb4+-) 17...fe5 18.Ne4 Be7 19.Qc1 (better 19.Qb1!? h6+-) 19...Qc1 20.Rc1 Nc6 21.Rf8 Kf8 22.Nc3 (22.Nc5!? Ke8+-) 22...b4 23.Nd5 Ke8 (23...f5 24.Rc4+-) 24.Ne7 Ke7 25.Rc5 Kd6 26.Rb5 Kc7 (26...h5 27.Rb7 f6 28.Rb5+-) 27.Ne5 Ne5 28.Re5 Kc6 29.Ra5 b5 30.Kf1 Kc5 (30...Kb6 31.Ra1+-) 31.Ke2 Kc4 (31...Kb6 32.Ra8 Kc5 33.Ra7+-) 32.Kd2 Kb3 (32...f6 33.Ra7+-) 33.Rb5 Ka3 (33...Kc4 34.Rh5 h6 35.Rh6+-) 34.Rb8 (34.Rh5 Kb3+-) 34...b3 (34...Ka4 35.Rb7 h6 36.Rf7+-) 35.Kc3 b2 (35...Ka4+-) 36.Ra8 1–0. BeepBeepImAJeep (2560) – karataskutay (2250), lichess.org, 2016.

8.Bc4 Qc8 9.Be2 (9.d3 Be7+=) 9...Bd6 (9...Be7 10.Nf3=) 10.Nf3 a6 11.0-0 0-0 (11...Qd8 12.Be5 Qe7 13.d4+=) 12.Nc3 (12.Bf6 gf6 13.Nc3 Qc7+=) 12...Be8 (12...Qc7!?=) 13.Qb3 Nbd7 14.d4 Nc5?? (better 14...Qb8+-) 15.dc5+- Bc5 16.Rac1 a5 (16...Qd8+-) 17.Na4 b6 18.Nc5 (better 18.Nb6 Bb6 19.Rc8 Rc8+-) 18...bc5 19.Bf6 gf6 20.Qc3 (better 20.Qa3 e5+-) 20...Qb7 (20...e5 21.Rfd1+-) 21.Qf6 Bb5 (21...Qd5+-) 22.Rb1 (22.Rb1 Qe4 23.Rb5+-; 22.Rc5 h6 23.Rh5 Qf3 24.gf3 Rfc8 25.Rh6 Be2 26.Rh8) 1–0. BeepBeepImAJeep (2780) – Maurois (2375), lichess.org, 2019.

8.Bc4 Bc8 9.Nf3 Nbd7 (9...Bd6 10.Ba3 (10.Be5 Be5 11.Ne5 Nbd7 12.Nd7 Bd7 13.d4=; 10.0-0 0-0 11.Be5 Be5 12.Ne5 Nbd7 13.Nd7+=; 10.d4 0-0 11.Ba3 a6 12.Bd3 b6 13.Qe2+=) 10...0-0 11.d4 a5 12.0-0 Ba3 13.Na3+=) 10.0-0 (10.d4 Bb4 11.Nbd2 Nb6 12.Bd3 a6 13.0-0+=) 10...b6 (10...Nb6 11.Be2+= Bd6 12.Be5 Be5 13.Ne5+=) 11.d4+/- (11.Qe2 Bb7 12.d4 Bd6 13.Rc1+/-) 11...Bb7 12.Nbd2 (12.Qe2 Bd6 13.Nbd2+/-) 12...Bb4 (12...Be7 13.Qa4+/-) 13.Qb3 (13.Ra4+/-) 13...Bd2 14.Nd2 0-0 15.Bd3 Re8 16.f4 Ng4 17.e4 f5 18.Bc4 (18.ef5? Qh4 19.Nf3 Bf3–+) 18...Qf6 19.h3 Nh6 20.d5 Qg6 21.Rf3 Nc5 22.Qc3 Qf6 (22...Re7 23.Rg3 Qf7 24.de6+-) 23.Qa3 (23.Qf6 gf6 24.de6+- (24.Bf6?! fe4 25.Rg3 Kf7=)) 23...Qe7? (better is 23...Qf8!? 24.Rg3 Re7+/-) 24.Rg3+- Qh4?? (24...g6 25.Qc3 Kf8 26.Qh8 Ng8 27.d6+-) 25.de6 (better is 25.Rg7 Kf8 26.Rb7 Qf4 27.Nb3 Qe3 28.Kh1+-) 25...Re7 26.Qc3 Qf4 (26...Ng4 27.Ra7! Rd8+-) 27.Qg7! Rg7 (27...Rg7 28.e7) 28.e7 Nf7 (28...Bd5 29.Rg7 Kh8 30.Rg6 Qe5 31.Be5) 29.Rg7 (29.Rg7 Kh8 30.Rf7 Qe5 31.Be5 Kg8 32.Rf8) 1–0. Brinks,Jan Willem – Soeteman,Jeroen, NED–ch U20 op, 2000.

8.Bc4 Ne4 9.d3 Nd6 10.Nc3=.

9.Qb3 Bc5 10.Nf3 0-0 11.0-0 Rc8 12.Nc3 h6 (12...Bd6 13.Rfc1+=) 13.Rfc1 (better 13.Na4 Qc7 14.Rfc1+/-) 13...Be8? (better 13...Bd6+/-) 14.Na4+- Qc7 (14...Qd8 15.Bf6 Qf6+-) 15.Nc5 Qc5 (15...Qb6 16.Na4 Qd8 17.Bf6 gf6 18.d4+-) 16.Be6 fe6 (16...Nbd7 17.Bd7 Nd7 18.Rc5 Nc5 19.Qd5+-) 17.Rc5 (better 17.Qe6!? Bf7 18.Qc8 Qc8 19.Rc8 Kh7+-) 17...Rc5 18.Bf6 gf6 19.Qe6 Bf7 20.Qf6 Nd7 21.Qh6 Rac8 (21...Rb5 22.Qf4 Nf8 23.Ne5+-) 22.h4 Rh5 (22...Rb5 23.Ra4 Rc4 24.Ra7+-) 23.Qf4 Rc4 (23...Be8 24.Qg4 Kh8 25.Ng5+-) 24.d4 Nc5 (24...Bg6 25.Ra7 Nf8 26.Ra8+-) 25.Ra7 (25.Ng5 Bg6 26.Qb8 Kg7 27.Qe5 Kg8 28.Ra7 Rc1 29.Kh2 Rh4 30.Kg3 Ne4 31.Kh4 Rh1 32.Kg4 Nf2 33.Kf3 Rh2 34.Ra8 Be8 35.Re8) 25...Nd3 (25...Ne6 26.Qf6 Ng7 27.Rb7 Rc1 28.Kh2+-) 26.Qb8 Kg7 27.Qb7 Rc1 28.Kh2 Rf5 29.Ng5 Nf2 30.Nf7 Rh1 31.Kg3 Ne4 32.Kg4 (32.Qe4 Rhf1 33.Ng5 Kg6 34.Qe6 Rf6 35.Qg8 Kh5 36.Rh7 Rh6 37.Rh6 Kh6 38.Qh7) 32...Rb5 33.Ne5 (33.Qb5 Ra1 34.Ra1 Nf2 35.Kh5 Ne4 36.Qe5 Nf6 37.Kg5 Kh7 38.Qf6 Kg8 39.Ra8 Kh7 40.Qg6) 33...Rb7 34.Rb7 Kf6 35.Rf7 (35.Rf7 Ke6 36.Ra7+-) 1-0. ClayPigeons (2125) - Ehudgol (2150), Rated Bullet game, lichess.org, 2021.

9.Qb3 Be7 10.Nc3 0-0 11.Nf3 Be8 12.Na4 Qc7 13.Rc1 Qd8 14.d4 (14.Bd4 Nbd7+=) 14...Nbd7 (14...a6 15.Nc3=) 15.0-0 Nb6 16.Bd3 (16.Nb6 Qb6 17.Rc2 a6=) 16...Na4= 17.Qa4 Qb6 (17...a6 18.Rfe1=) 18.Bc3 (18.Qc4 Nd5=) 18...a6 19.Ba5 (19.Rb1 Bb5 20.Bb5 ab5 21.Qb5 Qb5 22.Rb5 Rfb8=) 19...ab5 (19...Bb5 20.Qa1 Qa7 21.Bb5 ab5-/+) 20.Bb6 (better 20.Qb4!=+) 20...ba4-+ (20...Ra4?! 21.Bc5 Bc5 22.Rc5=+) 21.Ra1 Bc6 22.Ne5 Be8 (22...Nd5!? 23.Bc5 Bc5 24.dc5 Rfd8-/+) 23.Rfb1 (23.Nf3 a3 24.Ne5-+) 23...Nd7 (23...Nd5 24.Bc5 Bc5 25.dc5-/+) 24.Nc4 Nb6 (24...Nb8 25.Bc7 Bc6 26.Ne5=+) 25.Nb6=+ Ra6?? (better 25...Bc6 26.Na8 Ra8=) 26.Ba6+- ba6 27.Na4 Bb5 28.Nc3 Rb8?? (28...Bd3 29.Rb7 Rc8 30.Na4+-) 29.Nb5 (better 29.Ra6! Ba6 30.Rb8 Bf8 31.Ne4+-) 29...ab5 30.Ra5 b4 31.Ra7 Bf8 32.f3 (32.Rb3 g6+-) 32...f6 (32...g5 33.Rb3+-) 33.Kf2 h6 34.Ke2 Rc8 35.Rb2 Rc1 36.Ra8 (better 36.e4+-) 36...Rh1?? (better 36...Kf7+-) 37.Rb4 Kf7 (37...Ra1 38.Rd8 Ra2 39.Kd3 Ra7+-) 38.Rb7 Kg6 (38...Kg8 39.Rbb8+-) 39.Rf8 Rh2 40.Kf2 Rh1 41.Rg8 Rc1 42.Rgg7 (42.Rbg7 Kh5 43.Rg6 Rc2 44.Kg1 Ra2 45.Rg3 Ra1 46.Kh2 Rh1 47.Kh1 Kh4 48.Rh3) 42...Kh5 43.Kg3 Rc6 (43...Rd1 44.d5! Ra1 45.de6 f5 46.Rb5 Ra5 47.e7 Rb5 48.e8Q) 44.Rg4 (44.Kh3 f5 45.g4 fg4 46.fg4) 44...f5 45.Rh4 (45.Rbg7 f4 46.ef4 Rc1 47.Rh4) 45...Kg6+- 46.Re7 e5 (46...Ra6 47.Kf4 h5 48.g4 fg4 49.fg4+-) 47.de5 Re6 (47...h5 48.Rd7 Rc5+-) 48.Re6 Kf7 49.Rf6 Ke7 (49...Kg8 50.Rf5 h5 51.e6 Kg7 52.e7 Kg6 53.e8Q Kf5 54.Rf4 Kg5 55.Qg8 Kh6 56.Rf6) 50.Rhh6 Kd7 51.Rh7 Ke8 52.Rg6 (52.Rg6 f4 53.ef4 Kf8 54.f5 Ke8 55.Rg8; 52.Rb6 f4 53.Kf4 Kf8 54.Rb8) 1-0. ClayPigeons (2095) - iamletmethink (2185), Rated Bullet game, lichess.org, 2021.

9.Nc3 Bb4 10.Na4 Qc5?? 11.Nc5+- (11.Nc5 Bc5 12.Rc1+-) 1-0. ClayPigeons (2155) - Chevalette (1995), Rated Bullet game, lichess.org, 2019.

9.Nc3 Bb4 10.Qb3 0-0?? 11.Qb4+- a5 (11...Rc8 12.d4+-) 12.Qb3 a4 (12...Qc5 13.Nf3 Rc8 14.Ra4+-) 13.Na4 Qa5 (13...Qc7 14.Bf6 gf6 15.Rc1+-) 14.Bc3 (better 14.Nc5 Qa1 15.Ba1 Ra1 16.Ke2+-) 14...Qb6 (14...Qd8 15.Nf3+-) 15.Nf3 (better 15.Nb6 Ra1 16.Ba1+-) 15...Qc7 (15...Qd8 16.0-0+-) 16.Be5 Qd8 17.0-0 Ne4 (17...Bc8 18.d4+-) 18.d3 Ng5 19.Nd2 (19.Nd4 h6+-) 19...f6 20.Bc3 Re8 (20...Nf7 21.Bd4+-) 21.Rfd1 (better 21.f4 Nf7 22.f5 Nd6 23.fe6 Kh8 24.ed7 Nd7+-) 21...Nf7 (21...Qc7 22.Bd4+-) 22.Ne4 Bc8 23.Bb4 (23.Nec5 Kh8+-) 23...Nd7 24.Nd6 Nd6 25.Bd6 Nb6 26.Bb4 (26.Nb6 Ra1 27.Ra1 Qb6+-) 26...Na4 (26...Nc4 27.dc4 Qc7 28.Bd6+-) 27.Ra4 Rb8 (27...Bd7 28.Ra8 Qa8 29.d4+-) 28.b6! Bd7 (28...Qb6 29.Ra3 Combination) 29.Raa1 (29.Ra7 Qb6 30.Rda1 Rec8+-) 29...Qb6 30.Qc3 (better 30.d4+-) 30...Qc7 (30...Bb5+-) 31.Qb3 (better 31.Be6 Be6 32.Qc7+-) 31...Rec8?? (31...Qb6 32.d4 Ra8+-) 32.Rac1 (32.Be6!? Be6 33.Qe6 Qf7+-) 32...Qb6 33.Ba3 (better 33.d4+-) 33...Ra8 (33...Qb3 34.Bb3 Kf7+-) 34.Qb6 Bc6 35.Be6 Kh8 36.Bc8 Rc8 37.Bd6 (37.d4 Rg8 38.d5 Ba4+-) 37...Re8 38.Bc7 (38.d4!? h6+-) 38...h6 39.d4 Kh7 40.Rc6 (40.d5 Bd7+-) 40...bc6 41.Qc6 Rg8 42.Qe4 Kh8 43.Qg6 (43.d5 h5 44.d6 Rf8 45.d7 g6 46.d8Q Rd8 47.Rd8 Kg7 48.Rd7 Kh6 49.Bf4 g5 50.Qh7) 43...Ra8 44.d5 Rc8 (44...Ra4 45.Qe8 Kh7 46.Qa4 g5 47.Qe4 Kg7 48.Qe7 Kg6 49.Bd8 h5 50.Qf6 Kh7 51.Qf7 Kh6 52.Rc1 g4 53.Rc6) 45.d6 Kg8 (45...f5 46.d7 Rd8 47.Be5 Rd7 48.Rd7 Kg8 49.Qg7) 46.d7 Ra8 (46...Rf8 47.d8Q f5 48.Be5 Rd8 49.Rd8) 47.d8Q Rd8 48.Rd8 1-0. ClayPigeons (2120) - GAHINE (2115), Rated Bullet game, lichess.org, 2021.

9.Nc3 Bb4 10.Qb3 Bc5 11.Nf3 (better 11.Na4 Qc7 12.Nf3+/-) 11...0-0? (better 11...Bd6+=) 12.Na4+- Qc7 13.Rc1 (13.Nc5 Qc5 14.Ba3 Qc8 15.Bf8 Qf8+-) 13...Qd6? (13...Bd6!?+=) 14.Be5 (14.Nc5!? Qc5 15.Ba3 Qc8 16.Bf8 Qf8+-) 14...Qe7+/- 15.Nc5 (15.Bf6 gf6 16.Bd5 ed5 17.Nc5 Be6+/-) 15...Qc5 16.Be6?? (16.0-0 Qb6+/-) 16...Qe7 (better 16...Qc1 17.Qd1 Qd1 18.Kd1 fe6-+) 17.Bd7 (17.Bc4 Bg4 18.Bf6 Qf6+/-) 17...Nbd7+/- 18.Bb2 Rac8 (18...Rfc8 19.0-0+/-) 19.0-0 Rc1 (19...Qe6 20.Qe6 fe6 21.Ra1+-) 20.Rc1+- Ne4? (better 20...Rb8+-) 21.Ba3 Qf6 (21...Qd8 22.d3 Nef6 23.Bf8 Nf8 24.Ra1+-) 22.Bf8 (22.Qd5!? Qe6 23.Qb7 Qf5 24.Bf8 Nf8+-) 22...Nf8 23.d4 Ne6 (23...a5 24.b6+-) 24.Rc8 (better 24.Qd5 Qe7 25.Qe4 Qd7+-) 24...Nf8 25.Qa3 Qd6 26.Qd6 Nd6 27.Rc7 (27.Rd8 Nb5 28.Ne5 f5+-) 27...a6 (27...h5 28.d5 g6 29.Nd2+-) 28.Ne5 (better 28.ba6 ba6 29.Rc6 Ne4+-) 28...ab5 29.Nd7 (better 29.h4+-) 29...Nd7 (29...Ne6 30.Rc1 f5+-) 30.Rd7 Ne8 31.Rb7 (31.d5 f5 32.d6 Nf6 33.Rb7 Kf8+-) 31...Kf8 32.Rb5 Ke7 (32...Nd6 33.Rb6 Ke7 34.f3+-) 33.Rb7 Kf6 34.e4 Nd6 (34...g5 35.Rb6 Kg7 36.e5+-) 35.Rb6 (35.e5 Ke6 36.ed6 g6+-) 35...Ke6 (35...Ke7 36.e5 Nc8 37.Rb8+-) 36.d5 (better 36.e5 h5+-) 36...Ke5 (36...Kd7 37.e5 Nf5 38.Rb7 Ke8 39.f4+-) 37.f3 (37.f4 Kf4 38.Rd6 Ke4+-) 37...Nc4 (37...g5 38.Kf2+-) 38.Rb7 (38.Rc6 Nd6+-) 38...Kf6 (38...Nd6 39.Rd7+-) 39.Rc7 (better 39.f4 g5 40.Rc7 gf4 41.Rc4+-) 39...Ke5 (39...Nd6 40.Kf2+-) 40.Kf2 (better 40.Rc4 Kd6+-) 40...Nd6 41.Rd7 Ne4 (41...g6 42.Ke3 Nc4 43.Kd3 Nb2 44.Kc3 Nd1 45.Kd2+-) 42.fe4 Ke4 43.Rf7 Kd5 44.Rg7 Ke6 45.Rh7 Kf5 46.Rh4 Kg6 47.Rg4 Kf6 (47...Kh6 48.h4 Kh7+-) 48.Kf3 Ke5 49.h4 Kf6 (49...Kf5 50.h5 Ke6 51.h6 Ke7 52.h7 Ke6 53.h8Q Kd6 54.Rg5 Kc7 55.Qg7 Kb6 56.Qf6 Kc7 57.Rg7 Kc8 58.Qf8) 50.h5 Ke6 (50...Ke7 51.h6 Kf6 52.h7 Ke5 53.h8Q Kd6 54.Qh6 Kc5 55.Qh5 Kc6 56.Rg6 Kd7 57.Qh7 Ke8 58.Rg8) 51.h6 Kf5 (51...Ke7 52.h7 Ke6 53.Re4 Kf6 54.h8Q Kf7 55.g4 Kg6 56.Qg8 Kf6 57.Re6) 52.h7 Ke6 53.h8Q (53.h8Q Kd6 54.Qh6 Kc5 55.Qh5 Kc6 56.Rg6 Kd7 57.Qh7 Ke8 58.Rg8; 53.Re4 Kf6 54.h8Q Kf7 55.g4 Kg6 56.Qg8 Kf6 57.Re6) 1-0. ClayPigeons (2150) - beytt06 (2135), Rated Bullet game, lichess.org, 2020.

9.Qb3 0-0 10.Nf3 b6 11.Nc3 Qe7 12.0-0 Rc8 13.d4 h6 14.Rfd1 Ng4 (better 14...Rc7+/-) 15.Ne4 (15.Bd3 Nf6 16.Ne5+/-) 15...Bc7? (15...Nh2 16.Be2 Ng4+/-) 16.h3 (16.d5 Nh2 17.Be2 Nf3 18.Bf3 Qf8+-) 16...Nf6 17.Ned2 (17.Nf6!? gf6 18.e4 Bf4+-) 17...a5 18.ba6 Bc6 (18...b5 19.Bb5 Bb5 20.Qb5 Na6 21.Ra6 Rab8+/-) 19.Ba3 (19.Rdc1 Ra7+-) 19...Qd8 (better 19...Qe8!? 20.Rdb1 Na6+=) 20.Ne5+/- Be5 (20...Bd5!? 21.a7! Ra7+/-) 21.de5+- Nd5 22.Nf1 (22.e4!? Nc7 23.Qb6+-) 22...Nd7 (22...Qe8 23.Bd5 Bd5 24.Qb6 Ra6 25.Qb1+/-) 23.Bd6+/- (23.Bd5?! Bd5 24.Qb5 Ra7+=) 23...b5 (23...Nc7+/-) 24.Bb5 (better 24.Bd5!? ed5 25.Ng3+-) 24...Bb5+= 25.Qb5 Nf8?? (25...Nc3 26.Qb3 Nd1 27.Qd1=+) 26.e4?? (26.Qb7 Nd7+-) 26...Nf4? (26...Nc3 27.Qd3 Nd1 28.Qd1 Qb6=) 27.Kh2 Qg5 (27...Rc2 28.Bc5 Qg5 29.g3 Qe5 30.gf4 Rc5 31.fe5 Rb5 32.Kg3+-) 28.g3 Nh3 (28...N4g6+-) 29.Kh3 Qh5 30.Kg2 Rc2 (30...Ng6 31.Ne3+-) 31.Ne3 (better 31.a7 Rcc8 32.Qb7 Nd7+-) 31...Re2 (31...Rcc8+-) 32.Rh1 Qg6 33.Qe2 Qe4 34.Kg1 (better 34.Qf3 Qf3 35.Kf3 Nd7+-) 34...Qf5 (34...Qd4 35.Nc2 Qb6+-) 35.Qf1 (35.Qf1 Qf3 36.Qg2 Qg2 37.Kg2+-) 1-0. ClayPigeons (2125) - Process (2145), Rated Bullet game, lichess.org, 2021.

9.Qb3 0-0 10.Nf3 e5 11.Nc3 (11.Ne5!? Qe7 12.d4+/-) 11...e4 (11...Bg4 12.Ng5 Qe7 13.Nce4 Ne4 14.Ne4+=) 12.Nd4 (12.Ng5 Qe7+=) 12...Bg4= 13.h3 Bh5 (13...Bc8 14.Qc2 Qe7 15.Nd5 Nd5 16.Bd5+/-) 14.Nf5 (better 14.Bd5!? Nbd7 A) 15.Bb7? Nc5 16.Qc2 Nb7-+; B) 15.Be4?! Nc5 (worse 15...Ne4 16.Ne4 Bc7 17.f3+/-) 16.Qc2 Nfe4 17.Ne4 Bg6=; C) 15.Ne4 Ne4 16.Be4+/-) 14...Be5= 15.Ba3 (15.Nd5 Re8 16.Ng3 Bg6 17.Be5 Re5+=) 15...Re8=+ 16.Rc1 Nbd7 (16...Qd7 17.g4 Bg6 18.Nh4=) 17.Na4 (better 17.Nd5=) 17...Bg6 (17...Bc7 18.Nd6 Bd6 19.Bd6=) 18.Nd6 (better 18.Nh4 Kh8 19.Ng6 fg6 20.Bf7+/-) 18...Bd6=+ 19.Bd6 a6 (19...Ne5 20.Be5 Re5 21.Rc2=+) 20.b6 (20.ba6 ba6 21.Qc3 Rc8=) 20...Rc8 21.Bc7 Qe7 22.g3 (22.0-0 Ne5=) 22...Nc5 (22...Ne5!?=+) 23.Nc5= Qc5 24.h4 (24.Bf7 Bf7 25.Qf7 Kf7 26.Rc5 Nd7=) 24...Qh5 25.0-0 (25.Be2 Qa5=) 25...Qf3 (25...Bf5 26.Rfe1=+) 26.Qd1 Bh5 (26...Qf5 27.f3=+) 27.Qf3 ef3?? (27...Bf3 28.Ba6 ba6+/-) 28.d4 (better 28.Ba6 ba6 29.b7+-) 28...Ne4?? (28...Bg4!?+/-) 29.Rfd1?? (better 29.Bd5 Nd6 30.Rc5+-) 29...Nd2?? (better 29...Nf6+/-) 30.Rd2+- a5 (30...Bg6 31.d5 Re7 32.d6+-) 31.Rdc2 (better 31.Bd5 Re7+-) 31...Bg6 32.Rc3 (32.Ra2 Ra8+-) 32...Bf5 33.Ra3 Be6 (33...Ra8 34.Rca1 h6 35.Bd5+-) 34.Be6 Re6 35.Ra5 (better 35.Rc5 f5 36.Raa5+-) 35...Rc6 (35...Rb6 36.d5 f6+-) 36.Rac5 (better 36.Rc6 f6 37.Ra7 bc6+-) 36...Rc5 (36...Re6 37.Ra1 Ree8 38.d5+-) 37.Rc5 (better 37.dc5 Re8 38.c6 bc6+-) 37...g6 (37...Ra8 38.Rf5+-) 38.Rd5 (38.Ra5!? Kf8+-) 38...Kg7 (38...Ra8 39.g4+-) 39.Rd8 (better 39.Be5 Kf8 40.Rd7 Rc1 41.Kh2 f5 42.Rb7 Rb1+-) 39...Rd8 40.Bd8 Kf8 (40...f5 41.h5!+-) 41.e4 Ke8 42.Bc7 Kd7 (42...Ke7 43.g4+-) 43.d5 Ke7 (43...f5 44.e5 Ke8 45.Bb8+-) 44.e5 Kd7 (44...h5 45.Kf1+-) 45.Kf1 Ke7 46.Ke1 Kd7 47.Kd2 Ke7 48.Ke3 Kd7 49.Kf3 Ke7 50.Ke4 Kd7 51.f4 Ke7 52.g4 White prepares f5 (52.d6 Ke6 53.g4 Kd7 54.Kd5 Ke8 55.e6 f6 56.d7 Kf8 57.d8Q Kg7 58.Qe7 Kg8 59.Qf7 Kh8 60.Qf8) 52...Kd7 53.f5 Ke7 54.f6 Ke8 55.Kf4 (55.e6 Kf8 56.d6 h6 57.d7 Kg8 58.d8Q Kh7 59.Qf8 fe6 60.Qg7) 55...Kd7+- 56.Ke4 Ke8 57.Kd4 (57.e6 g5 58.Kf5 h6 59.d6 fe6 60.Ke6 Kf8 61.d7 Kg8 62.d8Q Kh7 63.Qe7 Kg8 64.Qg7) 57...Kd7+- 58.Kc5 White intends d6 (better 58.e6 fe6 59.d6+-) 58...Ke8 59.d6 (59.g5 Kd7 60.e6 fe6 61.f7 Ke7 62.de6 Ke6 63.f8Q h5 64.Qf6 Kd7 65.Qf7 Kc8 66.Qe6) 59...Kd7+- 60.Kd5 Ke8 Plans e6 61.e6 fe6 62.Ke6 Kf8 63.d7 Kg8 (63...h6 64.d8Q) 64.d8Q 1-0. ClayPigeons (2075) - lacasitoo31 (2100), Rated Bullet game, lichess.org, 2020.

9.Nc3 0-0 10.Nf3 Qc7 11.Bd3 a6 12.g4 Ng4 13.Bh7 Kh7 14.Ng5 Kg8 15.Qg4 Bb5?? (better is 15...Rd8+/-) 16.Nb5+- ab5 17.Ra8 Be5 (17...e5 18.Qh5 Rc8 19.f4+-) 18.Qh5 Rc8 (18...Rd8 19.Be5 Qc1 20.Ke2 Rd2 21.Kf3 Qh1 22.Kg3 Qg1 23.Kh4 Qg4 24.Kg4 Rd4 25.ed4 f5 26.Kf4 b4 27.Rb8) 19.Be5 Qe5 20.Qf7 Kh8 21.Qh5 Kg8 22.Qh7 Kf8 23.Qh8 Ke7 24.Qc8 Qg5 25.Rb8 1–0. BlackDemon (2610) – Dayunior, FICS rated standard game, 2013.

9.d3 e5 10.Nf3 Qe7 11.0-0 0-0 12.Qe2 Bg4 13.h3=.

9.Nf3 0-0 10.d3 (10.0-0 Qe7 11.d3 e5 12.Qe2 Bg4 13.h3=) 10...Qe7 11.Ne5 Rc8 12.Nd2 Qe8 13.Qf3=.

9.Qb3 0-0 10.Nc3 Be8 (10...a6 11.Nf3=) 11.d4 Nbd7 12.Nf3 Nb6 13.Bd3 Nbd5 14.0-0 Nc3 15.Bc3 Rc8? (better 15...Nd5!?+=) 16.Ra7+- Qb6 17.Raa1 Nd5 18.Bd2 Rc7?? (18...f5 19.Ne5+-) 19.Rfb1 (19.e4 Rd7 20.ed5 Rd5+-) 19...Bd7?? (better 19...Qd6+-) 20.Ne5 (better 20.e4!? Nb4 21.Bb4 Bb4 22.Qb4 Rfc8+-) 20...Rfc8 (20...Qd6 21.Nc4 (21.Nd7?! Rd7 22.Rc1 Rfd8+-) 21...Rc4 22.Bc4+-) 21.Ba5 (21.Nd7?! Rd7 22.Rc1 Rdd8+-) 21...Rc1 (21...Qd6 22.Bc7 Qc7+-) 22.Rc1 Rc1 23.Rc1 Qa5 24.Nd7 (24.Nd7 Qd8 25.Ne5+-) 1-0. ClayPigeons (2105) - Rinmacar (2100), Rated Bullet game, lichess.org, 2021.

9.Qb3 0-0 10.Nf3 a6 11.d4 a5 (11...Qb6 12.0-0+=) 12.Nc3 b6 13.0-0 Bb4 14.Ne5 Bc8 15.Ba3 Ba3 16.Ra3 Bb7 (16...Qc7 17.Rc1+=) 17.f3 (17.Be6 fe6 18.Qe6 Kh8 19.Nf7 Rf7 20.Qf7 Nbd7+/-) 17...Nbd7 (17...Nfd7 18.Nd7 Nd7 19.Qa4=) 18.Nc6 (18.Be6!? fe6 19.Qe6 Kh8 20.Nf7 Rf7 21.Qf7+/-) 18...Qc7 19.d5 (19.Qa4 Rfe8+=) 19...ed5 20.Nd5 Nd5 21.Bd5 Nc5 22.Qc4 Rad8 (22...Bc6 23.Bc6 Rad8 24.Qc2=) 23.e4 (23.Nd8 Bd5 24.Qd5 Rd8 25.Qc4+/-) 23...Qd6? (better 23...Ra8!?=) 24.Rd1 (24.Nd8 Bd5 25.Qd5 Qd5 26.ed5 Rd8+-) 24...Kh8 (better 24...Bc6 25.Bf7 Rf7 26.Rd6 Rd6 27.bc6 Rc6+-) 25.Rc3?? (better 25.Nd8 Rd8 26.Raa1+-) 25...Ne4?? (better 25...Bc6 26.bc6 f5=) 26.fe4 (26.Nd8?! Nc3 27.Nb7 Qe5+=) 26...a4 (26...Bc6 27.bc6 Qc7+-) 27.Qa4 (better 27.Nd8!? Qd8 28.Qa4 Qb8+-) 27...Bc6 28.bc6 (28.Rc6 Qe5 29.Rb6 Rfe8+-) 28...Rc8 (28...Qc7 29.Rf3 Ra8 30.Qd4+-) 29.Qb5 (29.Qd4 Qc7+-) 29...Qe5 30.Qc4 b5 31.Qc5 b4 32.Rcc1 b3 (32...Qc7 33.Qb4 Rb8 34.Qa3+-) 33.Bb3 (better 33.c7!? Qe8+-) 33...Qe4 (33...Qb8 34.Ba2 Qa8 35.c7 Qa2 36.Qf8 Rf8 37.Rd8+-) 34.Bd5 Qg6 35.Bf3 (better 35.c7 Qa6 36.Ra1+-) 35...Rfd8 (35...h6+-) 36.Rd8 Rd8 37.c7 Rc8 38.Bb7 Qf5 39.Bc8 (39.Qf5 h5 40.Qc8 Kh7 41.Be4 f5 42.Qf5 g6 43.Qg6 Kh8 44.c8Q) 39...Qc8 40.Qc6 (40.Qf5! h5 41.Qc8 Kh7 42.Qf5 g6 43.Qf7 Kh6 44.Rc6 Kg5 45.Rg6 Kh4 46.Qf6) 40...g6 41.Rd1 (41.Rf1 Kg8 42.Qc4 Qd7 43.Rf7 Qd1 44.Rf1 Kg7 45.Qf7 Kh6 46.Rd1 Kg5 47.Rd5 Kg4 48.c8Q Kh4 49.Qh7) 41...Kg7 42.Qc3 Kh6 43.Qe3 Kg7 44.Qe5 f6 (44...f6 45.Qe7 Kh6 46.Rd7 Qg8 47.Qe3 g5 48.c8Q Qf7 49.Rf7 Kg6 50.Qd3 f5 51.Qcf5 Kh5 52.Rh7). ClayPigeons (2155) - shadowtiger (2240), Rated Bullet game, lichess.org, 2020.

9.Nc3 0-0 10.Qb3 a6 11.Nf3 ab5 12.Ra8 bc4 13.Qc4 Qb6 14.0-0 Nc6?? 15.Rf8+- Bf8 16.Rb1 Qc7 17.d4 Nd5 (17...Qd8 18.e4+-) 18.Nb5 (18.Nd5 ed5 19.Qd5 Nb4+-) 18...Qb8 19.g3 (19.e4 Nb6 20.Qd3 Nb4+-) 19...Nf6 (better 19...Qd8+-) 20.e4 Ne4 21.Qd3 Nf6 (21...Nb4 22.Qe4 Bb5 23.Qe5 Qe5 24.de5+=) 22.Nc3 (22.Ba3 Nd5+=) 22...Qd8 23.Ne2 (23.Bc1 Qc8+=) 23...Ne7 (23...Nb4 24.Qd1=) 24.Nf4 (24.Ne5 Ned5+=) 24...Ned5 (24...Bc6!? 25.Qb3 Nfd5=) 25.Nd5+= ed5 (25...Nd5 26.Ba3 Ba3 27.Qa3+=) 26.Ne5 Bc6 (26...Ne4 27.Ba3 Bf5 28.Bf8 Qf8 29.g4+/-) 27.Rc1 (27.Ba3 Bd6+-) 27...Qd6 (27...Be8 28.Ba3+/-) 28.Rc3 (28.Nc6 bc6 29.Qa6 Qb4+/-) 28...Ne4 29.Ba3 Qd8 (29...Qe6 30.Rb3 Ba3 31.Ra3 Be8+/-) 30.Bf8 (30.Nc6 bc6 31.Rc6 Ba3 32.Qa3 h6+-) 30...Qf8? (30...Nc3 31.Bg7 Kg7 32.Nc6=) 31.Nc6 (31.Rc1 Ba4+-) 31...bc6? (better 31...Nc3 32.Qc3 bc6 33.Qc6 Qd8=) 32.Rc6+- h6 (32...g6 33.f3 Ng5 34.Rc5+-) 33.Qc2 (33.f3 Ng5+-) 33...Kh7 (better 33...Qa3 34.Kg2 g6+-) 34.f3 f5 (34...Qb4 35.fe4 Qd4 36.Qf2 Qf2 37.Kf2 de4 38.g4+-) 35.fe4 fe4 (35...de4 36.d5 Qf7+-) 36.Qf2 Qd8 (36...Kg8 37.Qf8 Kf8+-) 37.Qf5 Kh8 38.Rc8 Qc8 39.Qc8 Kh7 40.Qd7 Kg6 41.Qd5 h5 42.Qe4 Kh6 43.Qh4 g6 44.Qe4 g5 45.Qe5 h4 46.Qf6 Kh5 (46...Kh7 47.gh4 gh4 48.d5 Kg8 49.d6 Kh7 50.d7 h3 51.Qf5 Kg7 52.d8Q Kh6 53.Qdf6) 47.Qf3 (47.g4 Kg4 48.h3 Kh5 49.Qg7 g4 50.hg4) 47...Kh6 48.Qg4 Kg6 49.gh4 Kh6 50.Qg5 Kh7 51.h5 Kh8 52.Qf5 (52.Qf5 Kg7 53.d5 Kh8 54.Qf6 Kh7 55.h6 Kg8 56.Qg7; 52.h6 Kh7 53.Qg7) 1-0. ClayPigeons (2150) - Solobon (2155), Rated Bullet game, lichess.org, 2020.

9.Nc3 0-0 10.Qb3 b6 11.d4 (11.Be2 a6+=) 11...Bd6 (11...Bc8!?+=) 12.Nf3 Qe7 13.0-0 e5?? (better 13...Rc8+/-) 14.de5+- (14.Ne5?! Be6+-) 14...Be5 15.Nd5 (worse 15.Ne5 Qe5 16.Nd5 Qg5+-) 15...Nd5 16.Bd5 (16.Ne5?! Nc7+-; 16.Be5?! Nf6 17.Rfd1 Be6+-) 16...Bb2 17.Qb2 (17.Ba8?! Ba1 18.Ra1 Na6+=) 17...Na6 (17...Bb5 18.Qb5 (18.Ba8?! Bf1 19.Kf1 Qc7+-) 18...a6 19.Qb6+-) 18.ba6 (better 18.Ba8 Ra8 19.Ra6 Bc8+-) 18...Rac8 19.Bb7 Rc7 20.Nd4 Qd6 21.Rad1 Qe5 22.Qe2 Be6 (22...Qf6 23.Rc1 Rc1 24.Rc1+-) 23.Qf3 (better 23.Nc6 Qg5+-) 23...Re7 (23...Bc4 24.Rfe1 Qg5+-) 24.Nc6 Qc5 (24...Qc7 25.Ne7 Qe7 26.Rd4+-) 25.Ne7 (better 25.Rc1!? Qa3 26.e4 Qd6+-) 25...Qe7 26.Rd2 Qc5 27.Rfd1 g6 (27...Bb3 28.Rb1 Qc3 29.Rd7+-) 28.h3 Kg7 29.Qe4 Qe7 (29...Qg5 30.Bd5 Bc8 31.Qc4+-) 30.Rd7! Qf6 (30...Bd7 31.Qd4 Double attack (31.Qe7 Pinning; 31.Qe7 Deflection; 31.Qd4 Decoy); 30...Qd7 31.Qd4 Double attack (31.Qd4 Decoy)) 31.Rc7 Bf5 (31...Bb3 32.Rd4+-) 32.Qd4 Qd4 33.Rd4 Re8 (33...Be6 34.Bd5 Kf6 35.Rf4 Ke5 36.Be6 Ke6 37.Ra7+-) 34.g4 (34.Bd5!? Be6+-) 34...Be6 35.Rd6 Bb3 36.Kg2 Re5 37.Kg3 (better 37.Bf3!? g5+-) 37...Ra5 38.Rdd7 (38.Rc8 Be6 39.Ra8 b5+-) 38...Re5 (38...Kf6 39.f4+-) 39.Re7 (39.Bg2!? Be6 40.Rd6 h5+-) 39...Ra5 40.f4 Ra3 (40...h5 41.Bc8+-) 41.Kf3 (better 41.Rc3 Kf6 42.Re4 h6+-) 41...h5 42.gh5 gh5 43.Re5 Kg6 (43...Ra2 44.Bc8+-) 44.Rg5 (44.Be4 Kh6 45.Rf5 Kg7 46.Ra7 Ra1+-) 44...Kh6 (44...Kf6 45.Bc8 Ra5 46.Ra7 Bd5 47.Kg3+-) 45.Rd7 f6 (45...Be6 46.Rd8 Kh7 47.f5 Bf5 48.Rf5+-) 46.Rgd5! Bd5 47.Rd5 (47.Bd5!? f5 48.Ra7 b5+-) 47...Ra5 (47...Ra1 48.Rd8 Kg6 49.Rg8 Kf7 50.Ra8+-) 48.Rd6 Rf5 (48...Kg7 49.Rd7 Kf8 50.Rd8 Ke7 51.Ra8+-) 49.Ke4 (49.Bd5 Rd5 50.Rd5 b5+-) 49...Ra5 50.Rf6 Kg7 51.Re6 (51.Rc6 b5+-) 51...Ra4 52.Kf3 Kf7 (52...b5 53.Be4 Kf7 54.Rc6+-) 53.Re5 (53.Rh6 Ra1+-) 53...Kf8 (53...Ra5 54.Ra5 ba5 55.f5+-) 54.Rg5 (54.Rh5 Kg7+-) 54...Kf7 (54...Ra5 55.f5 b5 56.Rh5+-) 55.Rh5 Ra3 56.Rh7 Kg6 (56...Ke6+-) 57.Rh5!? Re3?? (57...Kh5 58.Ke2 Combination) 58.Ke3+- Kh5 59.f5 1-0. ClayPigeons (2170) - Prajwalp_1106 (2190), Rated Bullet game, lichess.org, 2021.

9.Nc3 0-0 10.Qb3 Qb6 11.Nf3 a6 12.0-0=.

9.Nc3 0-0 10.Nf3=.

9.Nc3 Qc7 10.Bd3 (10.Qb3 a5=) 10...0-0 11.Na4 (11.Qf3 Rc8+=) 11...Rc8 (11...a6 12.Nc3+=) 12.Bd4 (better is 12.Nf3+=) 12...Qd8?? (better is 12...e5 13.Ba7 A) worse is 13...Ra7 14.b6 Ba4 15.bc7 Bd1 16.Ra7+/- (worse is 16.cb8R Ra1 17.Rc8 Bf8+=); B) 13...b6 14.Nb6 Ra7 15.Nc8 Bc8 16.Ra7 Qa7+=) 13.Nb6!+- ab6 Exploits the pin. (13...Qb6 14.Bb6) 14.Ra8 Bc5 15.Be5 Be8 16.Qb3 (16.Qc2 Be7 17.Bc3 e5+-) 16...Nbd7 (16...Bd6 17.Bc3+-) 17.Rc8 Qc8 18.Bb2 Nd5 (18...Bd6 19.Qc2 Qc2 20.Bc2+-) 19.Bh7?? (19.Bh7 Kh7 20.Ne2=; better is 19.Nf3+-) 1–0. Kasper,Peter – Neubauer,Wolfgang, Spree op, 1997.

9.Nf3 Qb6 10.Nc3 0-0 11.0-0 Rd8 12.Qc2 Rc8 13.Qb3 Be8 14.Nd4 Nbd7 15.Ne6 (better is 15.Rfc1!?=) 15...fe6-/+ 16.Be6 Kh8 17.Na4 Qd6?? (better is 17...Qc7-/+) 18.Ba3+- Nc5 19.Nc5 (19.Bc5?! Rc5 20.Nc5 Qc5+=) 19...Rc5 20.d4 (20.Bc5?! Qc5 21.Rfc1 Qb6+= (21...Qb5? 22.Qb5 Bb5 23.Rc7+-)) 20...Rb5 21.Bd6 Rb3 22.Be7 (22.Bb3?! Bd6 23.f3 a5=) 22...Bb5?? (better is 22...Rb2+-) 23.Bb3 (23.Bb3 Bf1 24.Kf1+-) 1–0. GuestVCLQ – GuestTKXW, freechess.org, 2017.

9.Nf3 Qb6 10.Nc3 a6 11.Qb3 0-0 12.0-0 Ra7 (12...Rc8 13.Rfc1+=) 13.Ne5 (13.Na4 Qd8+=) 13...Be8 (13...Rc8 14.Rfc1+=) 14.d4 (14.Na4 Qd6 15.Bd4 ab5 16.Ba7 ba4 17.Qb7 Nc6+/-) 14...ab5 (14...Nfd7!?+/-) 15.Ra7 (worse is 15.Nb5 Ra1 16.Ra1 Ne4+=; 15.Bb5?! Ra1 16.Ra1 Bb5 17.Nb5 Rc8+=) 15...Qa7 16.Nb5 (16.Be6!? Nc6 17.Bf5+/-) 16...Qb6+= 17.Ra1 (17.Rb1 Nc6 18.Ba3 Ba3 19.Qa3 Ne5 20.de5 Ng4+=) 17...Nc6 18.f3?? (18.Bd3 Nd5+=) 18...Ne5 (better is 18...Na5 19.Ra5 Qa5-/+) 19.de5+= Nd7 (19...Nd5 20.Bd5 ed5 21.Nd4 Qb3 22.Nb3=) 20.Bd4 (20.Nd6 Qc7+/-) 20...Nc5+= 21.Qb2 Qc6 (21...Bb5 22.Qb5 Qb5 23.Bb5+=) 22.Na7 (better is 22.Nd6!? Bd6 23.ed6+/-) 22...Qc7+= 23.Rb1 (23.Qc2+=) 23...Qa5 (23...Ba4 24.Nb5 Bb5 25.Bb5+=) 24.Nb5 (24.Nc8 Bg5+/-) 24...Bc6 (24...Bb5 25.Qb5 Qb5 26.Rb5+=) 25.Ra1 (25.Nd6 Ra8+=) 25...Qd8 (25...Qb6 26.Ra2+=) 26.Rd1 (26.Nd6 Bd6 27.ed6 Qd6 28.Bg7+/-) 26...Qc8? (26...Qb6!?+=) 27.Nd6+/- Na4?? (better is 27...Bd6 28.ed6 Na4+/-) 28.Nc8+- Nb2 (28...Rc8 29.Qb3 Kf8 30.Qc2+-) 29.Ne7 (29.Bb2?! Rc8 30.Bd3 Ra8=) 29...Kh8 30.Bb2 (30.Bb2 Ba4 31.Rd4+-) 1–0. Kucharkowski,Jens – Jaeckel, Freital, 1982.

10.0-0 a5 11.Nc3+/-.

10.0-0 Qb6 11.Bd4 Qc7 (11...Bc5 12.Bf6 gf6 13.Qb3+/-) 12.Bd3 (12.Qe2 Bc5+-) 12...a6 (12...Bc5!?+-) 13.Nc3 Nd5 (13...Rc8 14.Ne5 Be8 15.f4+-) 14.Nd5 ed5 15.Ne5 Qd6 (15...Bf6 16.f4 Rc8 17.Qf3 Be5 18.fe5+-) 16.ba6 Na6 17.Qb1 Nb4?? (17...Be6+-) 18.Bh7 Kh8 19.Ra8 Ra8 (19...Qe6 20.Rf8 Bf8 21.Nd7 Qd7+-) 20.Nf7 1–0. wiking – LuizFernandes, internet, 2009.

10.0-0 Bc5 11.d4+= Be7 12.Ne5 Bc8 13.Nd2 Nh5?? (better is 13...Nbd7+=) 14.Qh5+- f6 (14...Nd7 15.Nf7! Rf7 16.Be6+-) 15.Nef3 (15.Bd3 f5+-) 15...Kh8 (15...a6 16.Rfc1+-) 16.d5 (16.Bd3!? f5+-) 16...ed5 17.Qd5 Nd7 (17...Qd5 18.Bd5 a6 19.Rfc1+-) 18.Ba3 (18.Bd4!? Bb4+-) 18...Ba3 19.Ra3 Qe7 20.Rfa1 Rd8 (20...Nb6 21.Qh5 Nc4 22.Nc4+-) 21.Qh5 a6 22.ba6 ba6 23.Bd3 h6 24.Qg6 (24.Nd4 Ne5+-) 24...Nf8 25.Qe4 (25.Qg3 Bb7+-) 25...Be6 (25...Qe4 26.Be4 Rb8 27.Bd3+- (27.Ra6?! Ba6 28.Ra6 Rb2+-)) 26.Nh4 (26.Nd4 f5 27.Nf5 Qf6+-) 26...f5 (26...Qf7 27.Nf5+- (27.Ra6?! Ra6 28.Ra6 f5 29.Nf5 Bf5 30.Qf5 Qf5 31.Bf5 Rd2+-)) 27.Nf5 Qf6 28.Ra6 (better is 28.Nd4+-) 28...Ra6 29.Ra6 Qf5 30.Qf5 Bf5 31.Bf5 Rd2 32.g3 Rd1 33.Kg2 g6 (33...Kg8 34.e4+-) 34.Be4 (better is 34.Bg6!? Ng6 35.Rg6 Kh7+-) 34...Kg7 35.Kf3 g5 (35...Rd7 36.Ke2+-) 36.Ke2 Rd7 37.h4 Rc7 (37...Re7 38.Bf5+-) 38.hg5 (38.f4 gf4 39.gf4 Rf7+-) 38...hg5 39.Kf3 Rf7 40.Kg2 Rf6 41.Ra7 Kh6 42.f4 gf4 43.ef4 Re6 (43...Ng6 44.Kf3+-) 44.Kf3 Ng6 45.g4 (better is 45.Rf7 Ra6 46.g4 Ra3 47.Kf2 Ra2 48.Ke3 Ra3 49.Bd3 Nf4 50.Rf4+- (50.Kf4?! Rd3 51.Rf6 Kg7+/-)) 45...Nh4 46.Kg3 Re4 47.Kh4 Rf4 48.Ra5 White prepares the advance g5 48...Kg7 49.Kh5 Rf6 (49...Rf7 50.g5+-) 50.g5 (50.Ra7 Kg8+-) 50...Rf7 51.Ra6 Kf8? (51...Rc7 52.Rg6 Kh7 53.Rd6+-) 52.Re6 (better is 52.Kh6!? Rf2+-) 52...Rf5 (52...Kg7+-) 53.Kg6 Rf2?? (53...Ra5 54.Rb6 Ra8 55.Kh7 Ra7 56.Kh8+-) 54.Ra6 (better is 54.Rf6 Rf6 55.Kf6+- (55.gf6?! Kg8 56.Kh6 Kf7=)) 54...Re2 (54...Rg2 55.Ra8 Ke7 56.Rg8+-) 55.Ra8 Re8 (55...Ke7 56.Kg7+-) 56.Ra7 (better is 56.Re8 Ke8 57.Kf6+-) 56...Re1 57.Rf7 Ke8? (better is 57...Kg8+-) 58.Rf5 Re7 59.Kh6 Rf7 (59...Re2 60.g6 Ke7 61.g7+-) 60.Rc5 (60.Rf7 Kf7 61.g6 Kf8+-) 60...Ke7 (60...Rf1 61.g6+-) 61.g6 (better is 61.Rc7 Ke6 62.Rf7 Kf7 63.g6 Kf8 64.Kh7+-) 61...Rf6 (61...Rf1 62.Rh5 Rg1 63.Rh3+-) 62.Rc7 (62.Rg5!? Re6+-) 62...Kd6 (62...Ke8 63.Kh7 Rf2 64.g7 Rh2 65.Kg8+-) 63.Ra7 Rg6 (63...Kc5 64.Ra5 Kb4+-) 64.Kg6 Ke5 65.Ra6 Kd5 66.Kf6 Ke4 67.Ra5 Kf4 68.Ra4 Kg3 (68...Ke3+-) 69.Kf5 Kf2 (69...Kf3 70.Re4 Kg2 71.Kf4 Kf2 72.Re5 Kg2 73.Re2 Kf1 74.Kf3 Kg1 75.Re1 Kh2 76.Rd1 Kh3 77.Rh1) 70.Ra3 (70.Kf4 Ke2 71.Rd4 Kf2 72.Re4 Kg2 73.Re2 Kf1 74.Kf3 Kg1 75.Re1 Kh2 76.Rd1 Kh3 77.Rh1) 70...Ke2+- 71.Kf4 Kf2 (71...Kd2 72.Ke4 Kc2 73.Kd4 Kd2 74.Ra2 Kd1 75.Ke3 Kc1 76.Kd3 Kb1 77.Rc2 Ka1 78.Kc3 Kb1 79.Kb3 Ka1 80.Rc1) 72.Ra2 (72.Re3 Kg2 73.Re2 Kf1 74.Kf3 Kg1 75.Re1 Kh2 76.Rd1 Kh3 77.Rh1) 72...Ke1 73.Kf3 (73.Ke3 Kd1 74.Re2 Kc1 75.Kd3 Kd1 76.Re4 Kc1 77.Rb4 Kd1 78.Rb1) 73...Kd1 74.Ke3 Kc1 75.Kd3 Kb1 76.Rh2 (76.Rc2 Ka1 77.Kc3 Kb1 78.Kb3 Ka1 79.Rc1) 76...Kc1 77.Rg2 Kd1 (77...Kb1 78.Kc3 Ka1 79.Kb3 Kb1 80.Rg1) 78.Rg1 1–0. GuestFMFP – GuestPKBP, freechess.org, 2018.

10.0-0 Ne4!?=.

10.0-0 Re8 11.d4 a6 12.Nc3 ab5 13.Ra8 Qc7?? (better 13...bc4 14.d5 b5 15.de6 fe6=) 14.Bb5+- Bb4 15.Qb3 Bc3 16.Bc3 (16.Bd7 Nbd7 17.Re8 Ne8 18.Bc3 Nef6+-) 16...Nc6 (16...Bb5 17.Qb5 Qc3 18.Qb7 Nfd7+-) 17.Re8 (17.Rfa1 Rc8+-) 17...Be8 18.Rc1 Qd6 (18...Na7 19.Bd3+-) 19.Bd2 (19.Bd3 Qc7+-) 19...Ne4 20.h3 (20.Ra1 Nd2 21.Nd2 Qb8+-) 20...Nd2 21.Nd2 (21.Nd2 Qe7 22.Nf3+-) 1–0. BeepBeepImAJeep (2635) – bfgrizzly (1815), lichess.org, 2016.

10.0-0 h6 11.Nc3 (11.d3 Nd5+=) 11...Qc8 (11...Qb6 12.Qe2 Rc8 13.Rfc1+=) 12.Qb3 Be8 (12...Qd8 13.d4+/-) 13.Rfc1 (13.Ba3 Ba3 14.Ra3 Nbd7+/-) 13...Nbd7 (13...Qd8 14.Ba3+/-) 14.Ne2 (14.d4 Qc7+/-) 14...Nc5 (14...Nb6 15.d3+=) 15.Qc2 (15.Qa3 Qd7+/-) 15...b6 (15...Nce4 16.d3 Nd6 17.Ba3+/-) 16.d4 (16.Ba3 Qc7+/-) 16...Nb7 17.Qb1 Qd8 18.Qd3 (18.Bd3 Nd6 19.Nc3 Bd7+/-) 18...Nd6 19.Ne5 (19.Ba3 Nc4 20.Be7 Qe7 21.Qc4 Bd7+/-) 19...Nd7?? (better is 19...Nc4 20.Qc4 Bd7+/-) 20.Nc6+- (20.Nc6 Nc4 21.Qc4+- (21.Rc4 Ne5 22.Ne7 Kh8+=)) 1–0. Wall,Bill – Guest697, internet, 2002.

10.Qb3 a6 11.0-0 Qb6 12.Nc3 Be8 13.d4 Nbd7 (13...Bd7 14.Rfc1+=) 14.Na4 (14.Ba3 Ba3 15.Qa3 Nb8+/-) 14...Qd8+= 15.Nc3 ab5 (15...Qb6 16.Ba3 Ba3 17.Qa3 a5+/-) 16.Ra8 (16.Qb5?! Ra1 17.Ra1 Nb6=) 16...Qa8 17.Nb5 Nb6 18.Bd3 (18.Nc7 Qa5 19.Bc3 Qa3 20.Qb6 Qc3 21.Ne8 Re8+/-) 18...Qd8 (18...Qa4 19.Qa4 Na4 20.Rb1=) 19.Bc3 (19.e4 Bc6 20.Re1 Nh5+=) 19...Bc6= 20.Ba5 Nfd5?? (20...Bf3 21.gf3 Qd5 22.Qd5 Nbd5= (22...ed5?? 23.Bb6 Ra8 24.Rc1+-; worse 22...Nfd5 23.Rb1+=)) 21.Ne5 (21.Rb1 Qa8 22.Bb6 Nb6+/-) 21...Qa8 (21...Be8 22.Nc4+-) 22.Bb6 Nb6 23.Nc7 Qa4?? (23...Qa5 24.Qc2+/-) 24.Qb1 (better 24.Qb6 Bd6 25.Nc6 bc6 26.Rb1+-) 24...Nd5 25.Bh7 Kh8 26.Nd5 Bd5 27.Be4 Be4 (27...Qa5 28.Rc1 Bd6 29.Nf3+-) 28.Qe4 Qe8 (28...Qa8 29.Rb1+-) 29.Qb7 Bf6 (29...Bd6 30.Nc4 Qe7 31.Nd6 Qd6 32.Rc1+-) 30.Qe4 (30.Nd7 Qe7+-) 30...Be5 31.Qe5 f6 32.Qg3 f5 33.h3 Rf6 34.Qf4 Qf7 35.g3 (35.Rc1 Qe8+-) 35...Rg6 (35...Kh7 36.Kg2+-) 36.Qe5 (36.Qb8 Kh7+-) 36...Rh6 37.Kg2 Qh5 38.Rh1 Qe8 39.Qf4 Qa8 40.f3?? (40.Qf3 Qd8+-) 40...Qc8?? (40...Qa2 41.Kg1=) 41.Re1?? (better 41.Rf1+-) 41...Qc2+= 42.Re2?? (better 42.Kg1 Rh3 43.g4=) 42...Qe2-+ 43.Kg1 Qe3 (better 43...Rh3 44.Qh4 Rh4 45.gh4 Qf3 46.Kh2 Qe3 47.Kg2 f4 48.d5 Qg3 49.Kf1 f3 50.de6 Qg2 51.Ke1 Qe2) 44.Qe3+- Rg6 45.Qf4 Rg3 (45...Rf6+-) 46.Qg3 Kg8 47.Qh4 (47.Qg6 Kh8 48.Qe6+-) 47...f4 48.Qg5 (48.Qe7 Kh7 49.Qe6 g6 50.Qf7 Kh8 51.d5 g5 52.d6 g4 53.d7 gh3 54.d8Q) 48...g6 49.Qf4 (49.Qg6 Kf8 50.Qe6 Kg7 51.h4 Kf8 52.h5 Kg7 53.Qe7 Kh6 54.Qf7 Kg5 55.Qg6 Kh4 56.Qg4) 49...Kg7 50.Qe5 Kh6 51.d5 (51.Qh8 Kg5 52.h4 Kf4 53.Kf2 Kf5 54.Qe5) 51...g5 (51...ed5 52.Qh8 Kg5 53.Qf8 Kh5 54.f4 g5 55.Qf7 Kh4 56.Qf5 gf4 57.Qg4) 52.Qe6 Kh5 (52...Kg7 53.d6 g4 54.d7 gh3 55.d8Q h2 56.Kh2 Kh7 57.Qdg8) 53.Qe5 (53.Kf2 g4 54.fg4 Kg5 55.d6 Kf4 56.Qf5) 53...Kh4 (53...Kg6 54.d6 g4 55.Qe6 Kg7 56.d7 gh3 57.d8Q h2 58.Kh2 Kh7 59.Qdg8) 54.Qf5 (54.Qf5 Kh5 55.Qh7; 54.Qe4 Kh3 55.Qg4) 1-0. ClayPigeons (2110) - chessforlife1 (2135), Rated Bullet game, lichess.org, 2020.

10.Nc3 a6 11.Be2 (11.Qe2 Qb6=) 11...Nd5 (11...Qc7 12.0-0=) 12.Nd5 ed5 13.Qb3 Be6 14.Nd4 (14.Bd4 Qd6+=) 14...Bf6 (14...Qb6 15.0-0+=) 15.0-0 a5 16.f4 Nd7? (better is 16...Re8+=) 17.Ba3?? (17.f5 a4 18.Qd1 Bd4 19.Bd4 a3+-) 17...Be7?? (17...Bd4 18.ed4 Re8 19.Rae1+=) 18.Bb2?? (18.f5 a4 19.Qb2 Ba3 A) 20.Ne6?? Bb2 (20...fe6?! 21.Qa3 ef5 22.Bd3+=) 21.Nd8 Ba1–+; B) 20.Qa3+-) 18...Nc5 (18...Bf6 19.f5 a4 20.Qd1 (20.Ra4?! Ra4 21.Qa4 Nb6+/-) 20...Bd4 21.Bd4+-) 19.Qd1 (19.Qa2 a4+=) 19...Bf6 20.f5 (20.Qc2 Rc8=) 20...Bd7 21.Rc1 b6 (21...Qb6 22.Qc2 Rfc8 23.Qb1+=) 22.Nc6 (22.Ba3 Qe7+=) 22...Bc6+= 23.Bf6 Qf6 24.bc6 Rfc8 (worse is 24...Qc6 25.d4+/-) 25.d4 Ne4 26.Bb5 Nd6 (26...Qe7 27.Qd3+=) 27.Qa4 (27.Qb3 a4 28.Ba4 Nc4+=) 27...Nb5 (better is 27...Qg5!? 28.Rf3 Nf5+=) 28.Qb5+= Qe7 29.Rf3 (29.Qd5?! Qe3 30.Kh1 Rd8=) 29...a4 (29...Qd8 30.f6+=) 30.Qd5 a3 (30...Ra5 31.Qc4+/-) 31.f6! Qe6?? (31...gf6 32.Qb5 Decoy) 32.Qe6 (better is 32.Qg5 Qf6 33.Rf6+-) 32...fe6+= 33.f7 (33.Rg3 g6 34.Rf3 a2=) 33...Kf8= 34.e4 a2 35.Ra1 (better is 35.Rff1!?=) 35...Rc6-/+ 36.Rff1 (36.Rf2 Rc4-/+) 36...Rc4 (36...Rc2 37.Rf2 Rf2 38.Kf2–+) 37.d5 (37.Rf2!?-/+) 37...ed5 (better is 37...Re4 38.de6 Re6–+) 38.e5? (better is 38.ed5 Rc2 39.Rad1–+) 38...Re4 39.Rfd1 (39.h4 Re2–+) 39...Re5 (39...Kf7!? 40.Rd5 Rb4 41.Rdd1–+) 40.Rf1 (40.Rd2–+) 40...Re7 0–1. GuestXBCD – pavvvv. freechess.org, 2016.

10.Ne5 Bd6 11.d4 a6 12.0-0 a5 13.Qf3 Ra7 14.Nc3 b6 15.Bd3 Rc7 16.Rac1 Qe8 (16...Rc8!?+/-) 17.Nc4+- (17.Nd7?! Nbd7 18.Ne4 Ne4 19.Rc7 Bc7 20.Qe4 Nf6+/-) 17...Bb4 18.Nb6 Bb5?? (better is 18...Bc3 19.Nd7 Nbd7 20.Rc3 Rc3 21.Bc3 Qa8+-) 19.Bb5 Qe7 20.g3 Nd5 (20...Rd8+-) 21.Ncd5 ed5 22.Nd5 Rc1 23.Ne7 (23.Ne7 Be7 24.Rc1+-) 1–0. Speedy – Macho, internet, 2017.

8.c4 h6 9.Nc3 (9.Qb3 dc4 10.Bc4 0-0 11.0-0 Bc8 12.Nc3 Nbd7 13.d4) 9...0-0 10.Qb3 dc4 11.Bc4 Bc8 12.0-0 Nbd7 13.d4.

8.Bd3 0-0 9.0-0 Bc8 10.c4 Nbd7 11.Qc2 g6 (11...dc4 12.Bc4 Nb6 13.Be2) 12.Nc3 Nc5 13.Be2 dc4.

8.Bd3 Bc8 9.0-0 Nbd7 (9...0-0 10.c4 Nbd7 11.Qc2 Re8 12.Nc3 Nb6 13.cd5) 10.Nc3 (10.Nd4 Nc5 11.f4 e5 12.fe5 Be5 13.Nc3) 10...Nc5 11.Ba3 0-0 12.g3 (12.h4 Qc7 13.Qe2) 12...Qc7 13.Qe2 Bd7.

8.Bd3 Bc8 9.Nc3 A) 9...0-0 10.Qe2 Nbd7 11.e4 Bb4 12.e5 (12.0-0 Nc5 13.e5) 12...Nh5 13.0-0 Nf4; B) 9...Nbd7 10.0-0 (10.Ba3 Nc5 11.0-0 0-0 12.Qe2 Qc7 13.h3) 10...0-0 (10...Nc5 11.Ba3 0-0 12.Qe2 Qc7 13.h3) 11.Ba3 Nc5 12.h3 (12.Bc5 Bc5 13.Qb1) 12...Qc7 13.Qe2= (13.Na4 Nce4).

8.Bd4 Qe7 9.c4 (9.Ne5 Bc8 10.Nc3 Nbd7 11.f4 0-0 12.Bd3 Nc5 13.0-0; 9.Ra7 Ra7 10.Ba7 Ne4 11.Nc3 Nc3 12.dc3 0-0 13.Qd4) 9...e5 (9...dc4 10.Bc4 0-0 11.Nc3 e5 12.Ba7 e4 13.Nd4) 10.Ba7 (10.Ra7 Ra7 11.Ba7 0-0 12.Nc3 d4 13.Nd5) 10...dc4 11.Bc4 0-0 12.Nc3 e4 13.Nd4 Na6.

8.Be2 0-0 9.0-0 a6 10.Ne5 Be5 (10...Qc7!? 11.f4 Rc8=) 11.Be5+/- Be8 12.f4 Nbd7? (better 12...Ne4!?+=) 13.Bd6+- (13.ba6?! Ne5 14.fe5 Ne4+=) 13...Nb6 (13...ab5 14.Ra8 Qa8 15.Nc3+-) 14.Bf8 (14.ba6? Qd6 15.d4 ba6 16.Ra6 Ba4-+) 14...Kf8 15.ba6 ba6 16.Ra6 (16.Ba6?! Bb5 17.Bb5 Ra1+/-) 16...Ra6 17.Ba6 Qa8 18.Qe2 Ne4 19.Bd3 Qc6 20.Be4 de4 21.Nc3 Bd7 (21...Nd5 22.Ne4 Qc2 23.Nd6+-) 22.Qh5 Kg8 23.Qe5 Nc4 (23...f5 24.Ra1 Nd5 25.Ra7+-) 24.Qb8 Be8 25.Ra1 (25.Rb1 Kf8+-) 25...g6 (25...Kf8 26.Ra7 Nd2 27.Qb4 Kg8 28.Re7+-) 26.Ra8 Kg7 (26...Nd6+-) 27.Qe8 Nd2 (27...Qe8 28.Re8 Nd2+-) 28.Qf8 Kf6 29.Qh8 Ke7 (29...Kf5 30.Qe5 Kg4 31.Qg5) 30.Qd8 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

8.Be2 0-0 9.0-0 Qb6 10.Bf6 gf6 11.Nc3 Bb4 12.Qb1 Bc3 13.dc3 Qc5 14.Qb3 a6 15.c4 dc4 16.Bc4 b6 17.Bd3 a5 18.Qb2 e5 19.Nd2 a4 20.Ne4 Qe7 21.Ra3 Bf5 22.Rfa1 Nd7 23.Ra4 Ra4 24.Ra4 Be4 25.Re4 Nc5 26.Rg4 Kh8 27.Bf5 Rg8 28.Rg8 Kg8 29.Qb4 Qd6 30.Qg4 Kf8 31.h3 Ke7 32.Bh7 Ne6 33.Bd3 Nc5 34.Qc4 Nd3 35.cd3 Qa3 36.Qc7 Kf8 37.Qb6 Kg7 38.d4 ed4 39.Qd4 Qc1 40.Kh2 Qc7 41.g3 Kg6 42.b6 Qb7 43.h4 f5 44.Qd6 f6 45.Qc7 Qf3 46.Kg1 Qd1 47.Kg2 Qd5 48.Kh2 Qf3 49.Qc2 Qb7 50.Qb2 Kf7 51.f4 Kg6 52.Kh3 Kg7 53.h5 Kh6 54.Qf6 Kh7 55.Qf5 Kg7 56.Qe5 Kf7 57.Qc7 Qc7 58.bc7 Ke7 59.c8Q Kd6 60.Qf5 Ke7 61.h6 Kd6 62.h7 Kc6 63.h8Q Kd6 64.Qh6 Kc7 65.Qf7 Kd8 66.Qh8 1–0. Abdullaevich (1835) – abc1987 (1895), lichess.org, 2019.

8.Be2 0-0 9.0-0 Ne4 10.c4 Qc7 (10...dc4 11.Bc4 Qb6 12.Qc2 Bb5 13.Bb5 Qb5 14.Qe4 Qb2 15.Nc3+=) 11.d3 (11.cd5 Rc8+-) 11...Nc5 (11...Nf6 12.Bd4 a6 13.b6+=) 12.cd5 (12.d4!? Ne4 13.c5+-) 12...Bb5+= 13.Nc3 Ncd7?? (better 13...Ba6+=) 14.Nb5+- (14.Nb5 Qb6 15.Nd6 Qd6 16.Ba3 Qd5 17.Bf8 Nf8 18.Nd4+-) 1–0. onur604 (2320) – vikky_sen (2055), lichess.org, 2020.

8.Be2 0-0 9.0-0 Qe8 10.Bf6+= gf6 11.Nc3 Kh8 12.Ra4 a6 13.Qa1 Bc8? (better 13...Qd8+=) 14.Nd5!+- ed5 (14...ed5 15.Qf6 Double attack (15.Qd4 Decoy)) 15.Qf6 Kg8 16.Bd3 Be5 (16...Qe4 17.Be4 de4 18.Re4 Bc7 19.Qg5 Kh8+-) 17.Bh7! Kh7 (17...Kh7 18.Rh4 Mate attack) 18.Rh4 (18.Qe5?! Qe5 (18...ab5?? 19.Rh4 Kg8 20.Qh8; 18...Qb5?? 19.Rh4 Kg8 20.Qh8) 19.Ne5 Bf5=; worse 18.Ne5 d4 19.Rd4 Bg4 20.Rg4 Qe5 21.Rg7 Kh8 22.Qh6) 18...Kg8 19.Rh8 (19.Qe5 Qe5 20.Ne5 ab5-/+) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.Nc3 A) 9...Qb6 10.Na4 Qd8 (10...Qc7 11.c5 Bc5 12.Nc5 Qc5 13.Ba3) 11.c5 (11.Bf6 Qf6 12.Nb6 ab6 13.Ra8) 11...Bc7 12.Nc3 Ba5 13.Qa4 Bc3; B) 9...dc4 10.Bc4 Be8 (10...Qc7 11.Bd3 Rc8 12.0-0 Be8 13.Qa4) 11.d4 a5 (11...Qb6 12.0-0 Nbd7 13.Bd3) 12.Qb3 Nbd7 13.Be6 Nb6; C) 9...Qc7 10.cd5 ed5 11.Qb3 Be6 12.b6 Qe7 13.Nb5 d4.

9.d3 a6 10.Be2=.

9.d3 Bb4 10.Nbd2 (10.Bc3 Bd6 (10...Be7 11.Nbd2 Qc7 12.Be2 Be8 13.0-0) 11.Nbd2 a6 (11...h6 12.Qb3 a5 13.d4) 12.Be2 dc4 (12...Be8 13.e4) 13.dc4 Be8) 10...b6 (10...dc4 11.dc4 Be8 (11...a6 12.Be2 Be8 13.0-0) 12.Qc2 Nbd7 (12...a6 13.Be2) 13.Be2 a6; 10...Qc7 11.Be5 Qc8 12.Qb3 Qc5 13.d4) 11.Be2 Ng4 (11...dc4 12.dc4 Ne4 (12...Bc8 13.0-0 Bb7) 13.Qc2 f5+/- (13...Nd2 14.Nd2+=)) 12.Qb3 Bd2 (12...Qe7 13.0-0 a5; 12...a5 13.ba6) 13.Nd2 (13.Kd2+-) 13...Qh4 14.g3 Qh3 15.Bf3 (15.cd5?! Rc8 16.Bf3 a5 17.de6 Be6+-) 15...Nh2 16.Kd1 dc4?? (better is 16...a5+-) 17.Qc4 Rc8 18.Qf4 (18.Qd4!? f6 19.Ba8 Qg4 20.Ke1 Qd4 21.Bd4 Ng4+-) 18...Bb5 19.Qe5 Bd3 (19...Qh6 20.Qb5 a6 21.Qb6 Nd7+-) 20.Qg7 1–0. marere – arya, internet, 2011.

9.d3 dc4 10.dc4 a6?? (better is 10...Qe7=) 11.Qd6+- Ne4 (11...Ne8 12.Qg3+-) 12.Qd4 f5 (12...Nf6+-) 13.Qg7 1–0. ATUK – puttegutt, Live Game Caissa's Web, 2005.

9.d3 Be8 10.d4 dc4 11.Bc4 Nbd7 12.Nc3 Rc8 13.Qb3 Nb6.

9.d3 h6 10.Nbd2 a6 11.Qb3 a5 12.Be2 a4 13.Ra4.

9.Bd4 dc4 10.Bc4 a6=.

8.c4 dc4 9.Bc4 0-0 10.0-0 a6 11.Nc3 a5 12.d4 b6 13.d5 ed5 (13...Qc7 14.Ra4+=) 14.Nd5 Bc5? (better 14...Nd5!? 15.Qd5 Ra7+/-) 15.Nf6+- gf6 16.Nh4 Kh8?? (16...Be6 17.Qh5 Bd6+-) 17.Qf3 Ra7 (17...Kg7 18.Qa8 Nc6 19.Nf5 Kg6 20.Qd8 Nd8 21.Nh4 Kg7+-) 18.Bf6 Qf6 19.Qf6 Kg8 20.Qg5 Kh8 21.Ra5! Ra5 (21...Ra5 22.Nf5 Combination; 21...ba5 22.Qe5 Double attack) 22.Qf6 (22.Bd3!? Ra3 23.Nf5 Bf5 24.Qf5 Rd3 25.Qd3 Kg7+-) 22...Kg8 23.Ng6! hg6 (23...hg6 24.Qg6 Deflection) 24.Qg6 Kh8 25.Qh6 Kg8 26.Bd3 f5 27.Bc4 Rf7 (27...Be6 28.Be6 Rf7 29.Qg6 Kh8 30.Qf7 Be3 31.Qg8) 28.Qg6 Kh8 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

8.c4 dc4 9.Bc4 0-0 10.0-0 Qb6 11.Nc3 Bb4 12.Qb3 Bc3 13.Bc3 a6 14.Bf6 gf6 15.g3 Rc8 16.d3 Be8 17.Nd4 Nd7 18.Rfb1 Nc5 19.Qb4 ab5 20.Ra8 Ra8 21.Bb5 Bb5 22.Qb5 Qb5 23.Rb5 Nd3 24.Rb7 Ne5 25.Kg2 Ra2 26.Rb8 Kg7 27.Rb7 Kg6 28.h3 Nd3 29.g4 Rf2 30.Kg3 Ra2 31.Rb3 Ne5 32.Nf3 Nc4 33.Rc3 Nd6 34.Rb3 e5 35.Nh4 Kg5 36.Nf3 Kh6 37.Nh4 Ne4 38.Kf3 Nd2 0–1. Abdullaevich – holako208 (1725), lichess.org, 2019.

8.c4 dc4 9.Bc4 0-0 10.0-0 Qe8 (10...a5!?+/-) 11.Nc3+- a6 (11...a5 12.d4+-) 12.Qb3 (12.Ne5 a5+-) 12...h6 (12...Bd6 13.Ba3 Qe7 14.Bd6 Qd6 15.d4+-) 13.Ne5 (13.d4 a5+-) 13...a5 14.Na4 (better is 14.Be2+-) 14...Bb4? (better is 14...Ne4 15.Rfd1 Nd6+/-) 15.Qd3 b6 (15...Qd8 16.Rac1+-) 16.Nb6 (16.Nb6 Ra7 17.f4+- (worse is 17.Nbd7 Nbd7 18.Nc6 Rc7+-)) 1–0. DEFFM – xdfv, freechess.org, 2018.

8.Be2 0-0 9.0-0 a6 10.c4 dc4 11.Bc4 a5 12.Be2 b6 13.Nc3 Bc8 14.Nd4 (14.Qa4 Bb7+=) 14...Bb7 15.Bf3 Bf3 16.Qf3 (worse 16.gf3 Bc5 17.Ra4 Bd4 18.Rd4 Nbd7=+) 16...Nbd7? (better 16...Ra7+=) 17.Nc6+- Qe8 18.Ne7 Qe7 19.Ba3 Nc5 (19...Qd8 20.Bf8 Qf8 21.d4+-) 20.d4 Nd5 (20...Rfc8+-) 21.Nd5 (21.dc5?! Nc3 22.cb6 Qf6 23.Qf6 gf6 24.Bf8 Kf8+-) 21...ed5 22.dc5 bc5 23.Rac1 Rfc8 (23...Qe4 24.Rc5 Qf3 25.gf3+-) 24.Qd5 Qh4 (24...Rd8 25.Qc5 Qc5 26.Rc5+-) 25.Rc5 Rd8 26.Qc4 (26.Qf3 Qh6+-) 26...Qf6 (26...Qc4 27.Rc4 Rab8 28.Rc5+-) 27.Rc1 h6 28.Rc8 Rac8 (28...Rac8 29.Qc8 Decoy; 28...Rdc8 29.Qc8 Double attack) 29.Qc8 Rc8 30.Rc8 Kh7 31.h3 (31.Rc1 Qb6-+) 31...Qa1-+ 32.Kh2?? (better 32.Bc1-+) 32...Qa3 33.b6 (33.Rc4 Qb2 34.Rf4 Kg8-+) 33...Qd6 34.Kg1 Qb6 35.Kh2 (35.Ra8 Qb1 36.Kh2 Qb7-+) 35...Qd6 (better 35...a4 36.Ra8 a3 37.h4-+) 36.Kg1 (36.f4 a4 37.Ra8 a3-+) 36…a4 0-1. biktimiroff - vova351 (2170), Hourly Bullet Arena, lichess.org, 2020.

8.Be2 0-0 9.0-0 Qb6 10.Nc3 a6 11.Bd3 Rc8 12.Ne5 Be8 13.f4 Nbd7 14.Na4 Qc7 15.Nd7 Bd7 (15...Qd7? 16.Nb6 Qd8 17.Nc8 Qc8 18.f5+-) 16.Be5 Qd8 17.ba6 ba6 18.Nc3 a5 19.Qe2 Bb4 20.Rab1 Bc6 (20...Bc3!? 21.Bc3 Ne4=) 21.Ba6+= Bc3 22.Bc8 Rc8 (better is 22...Ne4!? 23.Bc3 Nc3 24.dc3 Qc8+=) 23.Bc3+- (23.dc3?! Ne4+=) 23...a4 24.Bf6 Qf6 25.Qd3 Ra8?? (better is 25...Qd8+-) 26.Qa6!! e5 (26...Ra6 27.Rb8 Mate attack) 27.Qa8!! Ba8 (27...Ba8 28.Rb8 Mate attack) 28.Rb8 Qd8 29.Rd8 1–0. usingprogram (2060) – gogopikachu, kurnik, 2013.

8.Be2 0-0 9.Ne5 Bc8 10.0-0 Nbd7 11.c4 (11.f4 Ne4=) 11...Ne5 12.Be5 dc4 13.Bc4 Bd7 (13...Nd7 14.Bd4=) 14.Qb3 (14.Qf3 Bc8+=) 14...Ne4 (14...Ng4 15.Bg3=) 15.d4+= Nd6 Attacking the isolated pawn on b5 (15...Qb6 16.Bd3 f6 17.Bf4+=) 16.Bd3 f6 17.Bg3 b6 (17...Qe8!?+=) 18.Nc3 Kh8 19.Rfc1 Nf7? (better 19...f5!?+-) 20.Be4 Rb8 (20...Rc8 21.Bb7 Rc7 22.Bc7 Qc7 23.Bf3+-) 21.Bb8 (21.Ra7?! Bd6+-) 21...Qb8 22.Bc6 Bc8 (22...Qc7 23.d5 Nd8 24.Bd7 Qd7 25.de6 Ne6 26.Rd1+-) 23.Qa4 a5 (23...Bd6+-) 24.ba6 Bd6 (24...Ba6 25.Qa6 Bd6+-) 25.a7 Bh2 26.Kh1 Qd6 27.a8Q Ng5 28.Nb5 e5 29.Nd6 ed4 30.Kh2 de3 31.Nf7! Rf7 (31...Rf7 32.Qc8 Mate attack; 31...Nf7 32.Qb3 Double attack (32.Qb3 Decoy)) 32.Qc8 Rf8 33.Qf8 1–0. GuestSZKR – GuestBJCJ, freechess.org, 2019.

8.Be2 a6 9.0-0 0-0 10.Ne5 a5 11.c4 Bc8 12.d4 Nbd7 13.Nd7 Bd7 14.c5 b6 15.c6 Bc8 16.Qc2 Qc7 17.Nd2 Bd6 18.Nf3 e5?? (better is 18...Ng4 19.h3 Nf6+/-) 19.de5+- (19.Ne5?! Re8+-) 19...Be5 (19...Ne4 20.ed6 Nd6 21.Bd3+-) 20.Be5 Qe7 21.Bd4 Ne4 (21...Qc7 22.Bf6 gf6 23.Bd3+-) 22.Bb6 Rb8 (22...Bf5 23.Bd3 a4 24.Ra4 Ra4 25.Qa4+-) 23.Ba5 Rb5 (23...f5+-) 24.Bb5 1–0. GuestJPPT – GuestTRCT, freechess.org, 2018.

7.c4 Bb4 8.Qb3 Qe7 9.Nf3 dc4 10.Bc4 0-0 11.0-0 b6 (11...e5 12.Ne5 Ne5 13.Be5 Qe5 14.Qb4+=) 12.d4 Bb7 13.Ra4 Ba5? (13...Bf3 14.Qb4 Qb4 15.Rb4+=) 14.Nbd2 (14.Ba3 Qd8 15.Bf8 Nf8+-) 14...Rac8? (14...Rfc8 15.Ba3 Qd8 16.Ra1+=) 15.Rfa1 (15.Ba3 Qd8 16.Bf8 Nf8+-) 15...Ne4 (better 15...Ne8!?+/-) 16.Ne4+- f6?? (better 16...Be4 17.Ba3 Qf6 18.Bf8 Kf8+-) 17.Ba3 Be4 (17...Qd8 18.Nd6 Rc7 19.Nb7 Rb7 20.Be6 Kh8+-) 18.Be7 Rfe8 19.Ba3 (better 19.Be6 Kh8 20.Bd7 Bc2+-) 19...Bf3 20.gf3 (better 20.Be6 Kh8 21.Bd7 Bh5+-) 20...Kh8 21.Bb4 (21.Be6 Rc3 22.Qd5 Nf8+-) 21...Bb4 22.Qb4 (better 22.Be6 Bc3 23.Bd7 Ba1 24.Ra1 h6+-) 22...Ne5 23.de5 fe5 24.Ra7 Red8 25.Qe7 (25.Be6 Re8 26.Qg4 Rc1 27.Rc1 g6 28.Qe4 Re6 29.Rc8 Re8 30.Re8) 25...Rg8 26.Be6 (26.Be6 Rc1 27.Rc1 e4 28.Bg8 Kg8 29.Qg7) 1-0. ClayPigeons (2160) - ruslan1406 (1900), Casual Bullet game, lichess.org, 2020.

7.c4 Nb6 8.cd5 Nfd5 9.Nf3 Bb4 (9...Nb4 10.Nc3=) 10.Be2 (10.Bg7!? Rg8 11.Bd4+-) 10...Nf6 (10...0-0 11.0-0=) 11.0-0 0-0 12.d4 Ne4 (12...Nbd5 13.Ba3+=) 13.Nfd2 (13.Bd3 Ng5+=) 13...f5 (13...Nd2!? 14.Nd2 Bd7+=) 14.Ne4+- fe4 15.Nd2 (15.Qc2 Qh4+-) 15...Bd2 (15...Qd5!?+=) 16.Qd2+- Qf6 (16...Rf5 17.Qc2+-) 17.Ba3+- Nd5? (better 17...Re8 18.Bc5 e5+-) 18.Bf8 Qf8 19.Bc4 Qf6 20.f3 b6 (20...Qh4+-) 21.fe4 Ne7 (21...Qd8 22.Qf2 Nf6+-) 22.Rf6 gf6 23.Qa2 (23.d5!? Bb7+-) 23...Kf7 24.d5 ed5 25.ed5 (better 25.Bd5!? Be6 26.Be6 Kg7+-) 25...Kf8 26.d6 Nc6 27.Bd5 (27.Qf2 Kg7 28.Qg3 Bg4 29.Qg4 Kh6 30.Rf1 Ne5 31.Rf6 Ng6 32.Qh4 Kg7 33.Rf7 Kh8 34.Qh7) 27...Bb7 28.bc6 Bc8 29.d7 (29.Bg8 Be6 30.Qe6 Kg7 31.Qf7 Kh6 32.Qf6 Kh5 33.Bf7 Kg4 34.Ra4) 29...Bd7 (29...Kg7 30.Bg8 Kh6 31.Qf7 Kg5 32.Qg7 Kh4 33.Ra4 Kh5 34.Bf7) 30.cd7 Ke7 (30...Rd8 31.Qa3 Kg7 32.Qe7 Kg6 33.Bf7 Kg5 34.h4 Kg4 35.Ra4 Kf5 36.g4) 31.Ba8 Kd7 (31...a5 32.Qd5 Kf8 33.d8Q Kg7 34.Qe7 Kg6 35.Qg8 Kh6 36.Qeh7) 32.Qa7 (32.Qd5 Ke8 33.Ra7 f5 34.Qg8) 32...Kd6 (32...Ke6 33.Qb6 Kf7 34.Be4 Kg7 35.Ra7 Kh6 36.Qf6 Kh5 37.Bf3) 33.Rd1 Kc5 34.Qc7 (34.Qa4 b5 35.Qd4) 34…Kb4 (34...Kb5 35.Rb1 Ka4 36.Qa7) 1–0. BeepBeepImAJeep (2605) – khaliltbain, lichess.org, 2015.

7.c4 dc4 8.Bc4 Nb6 9.Be2 Bd7 10.Nf3 Be7 11.0-0 0-0 12.Qb3 Nbd5 13.d4 (13.Bd4 Qb8+=) 13...a6= 14.ba6 ba6 15.Ra6 (15.Nc3=) 15...Ra6?? (15...Rb8 16.Qc2 Nb4-+) 16.Ba6+= Qa8 17.Bd3?? (better 17.Bc4+=) 17...Rb8-+ 18.Qc2 Qb7?? (18...Nb4 19.Bh7 Nh7 20.Qc7-+) 19.Ba1?? (19.Ba3 Rc8 20.Qe2 Ba3 21.Na3 Nc3+=) 19...Qb3?? (better 19...Nb4 20.Bh7 Nh7-+) 20.Qb3+/- Rb3 21.Bc4 Rb8 22.Ne5 Be8 (22...Bb5 23.Bb5 Rb5 24.Rc1+/-) 23.Nd2 Nb6 24.Be2 Nfd5 25.Rc1 (25.Rb1 Ra8 26.Ndc4 f6 27.Nb6 Nb6+/-) 25...Bf6 (25...Ra8 26.Ndc4+/-) 26.Nc6 (26.Ne4 Be7+/-) 26...Bc6 27.Rc6 g6 (better 27...Ra8 28.Nb3 Ra2+/-) 28.f4?? (28.e4 Nb4 29.Rc7 Bg5+/-) 28...Kg7?? (28...Ne3!? 29.Kf2 Nf5=+) 29.e4 (29.Kf2!?+/-) 29...Nf4 30.Ba6 Na4 (30...Nd7 31.Bc3+=) 31.e5 (31.g3!? Nh5 32.Be2+=) 31...Bg5= 32.d5 (32.Kf2!?=) 32...ed5 (32...Nd5!? 33.Nf1 Nb4-+) 33.e6=+ Bf6 (33...Kf8 34.Be5 Re8 35.Bd6 Kg7 36.h4 Nh3 37.gh3 Be3 38.Kg2 Re6 39.Bb5 Bd2 40.Ba4+=) 34.Bf6 (better 34.e7 d4 35.Bb5+=) 34...Kf6-/+ 35.Nf3? (better 35.ef7!? Kf7 36.Nf3-/+) 35...fe6 36.Nd4 (36.g3 Nh5-+) 36...Rb1 37.Kf2 Ke5 (better 37...Rb2 38.Kf1 Ke5-+) 38.Ke3?? (38.Nf3 Kf5 39.g3 Rb2 40.Kf1-+) 38...Ng2 39.Kf3 Kd4 40.Re6 (40.Kg2 Nc5-+) 40...Rb2 (40...Nc5 41.Re8 Ne1 42.Re1 Re1 43.Bb5-+) 41.Kg4 (41.Re2 Re2 42.Ke2 Nc3 43.Kf3 Ne3-+) 41...Ne3 (better 41...Nc3 42.Kg5 Ne4 43.Kh6-+) 42.Kg5 (42.Kf3 Rh2 43.Bc8 Rh3 44.Kf2 g5-+) 42...Nf5 (better 42...Nc5!? 43.Bc8 Rh2 44.Kf6 Ne6 45.Be6-+) 43.Kf6 (43.Re2-+) 43...Ne3 44.Rd6?? (44.Kg5 Nc5 45.Bc8-+) 44...Nc4 (44...Rf2 45.Kg5 Rf5 46.Kh4 Rh5 47.Kg3 Nf5 48.Kg2 Nd6 49.Bf1-+) 45.Rd5 (45.Bc4 Kc4 46.h4-+) 45...Kd5 46.h4 Rf2 (46...Rb6 47.Kg7 Ra6 48.Kh7-+) 47.Kg5 (47.Kg7 Nd6-+) 47...Rf5 (47...Nd6 48.Kh6 Nc5 49.Kh7 Na6 50.Kg6 Rg2 51.Kh6 Nc5 52.Kh7 Nd7 53.h5 Nf6 54.Kh6 Nf5) 48.Kg4 Nc5 49.Bb5 Rf4! (49...Rf4 50.Kf4 Nd6-+) 0-1. ClayPigeons (2145) - danyelybr (2120), Rated Bullet game, lichess.org, 2019.

7.c4 dc4 8.Bc4 Bd6 9.Nf3 0-0 10.0-0 Qc7 11.Be2 Ne5 (11...e5 12.d3=) 12.h3 (better 12.Be5 Be5 13.b6 (13.Ne5?! Qe5 14.d4 Qb8+=) 13...Bh2 14.Nh2 Qb6 15.Na3+-) 12...Nf3=+ 13.Bf3 a6 (13...e5 14.Qa4=) 14.Nc3 (14.Bf6 gf6 15.Nc3 Rd8+=) 14...Bd7= 15.Rc1 Qb6 (15...ab5? 16.Ne4 Qb8 17.Bf6+-) 16.Qb3 ab5 17.Ne2 (17.Ne4 Ne4 18.Be4 b4=+) 17...Bc6 (17...e5 18.Nc3=+) 18.Nd4 (18.Bd4 Qc7 19.Bf6 gf6=) 18...Bd5 (18...Bf3 19.Nf3 Nd5 20.Bd4=+) 19.Qb5 (19.Bd5 A) worse 19...ed5 20.Nf5+- (20.Nb5?! Ra5 21.Nd4 Qb3 22.Nb3 Rb5 23.Bf6 Rb3=); B) 19...Nd5 20.Nf5 Nf4 21.ef4 ef5=) 19...Qb5 (19...Bc7 20.Bd5 Nd5 21.Rc2=) 20.Nb5 Bf3 21.gf3 Be7 22.Be5 (22.Bf6 Bf6 23.Rc7 b6=) 22...Ra2 (22...Ra5 23.Bd6 Bd6 24.Nd6=) 23.d4 (23.Rc7 Re8+=) 23...Nd5 (23...b6 24.Bf6 Bf6 25.Rc6=) 24.Rb1 (24.e4!? Ra5 25.Nd6+=) 24...f6 25.Bg3 f5 (25...Rc8=) 26.f4 (better 26.Nc7!? Nc7 27.Bc7+=) 26...h5 27.h4 Nf6 (27...Rfa8 28.Rfc1-/+) 28.Rfc1 (28.Nc7 Rb8 29.Ne6 b5=) 28...Ne4 (better 28...Rb8!?=+) 29.Nc3+= Ng3 (29...Nc3 30.Rc3 Rb8+=) 30.Na2 (better 30.fg3 Ra7 31.Nb5+-) 30...Ne2= 31.Kg2 Nc1 32.Nc1 Ra8 (32...Rb8 33.Kg3 b5 34.Nd3=) 33.Rb7 (33.Kh3 Ra7+=) 33...Bf6 (33...Bh4!? 34.Rb6 Kf7=) 34.Nd3 Ra3 (34...Bh4 35.Kh3 Bf6 36.Nc5+=) 35.Ne5 (35.Nc5 Bh4 36.Ne6 Bf6+-) 35...Be5 (35...Bh4 36.Rb8 Kh7 37.Nf3+-) 36.de5 (36.fe5!? Ra6+-) 36...Kf8+- 37.Kg3 g6 38.Rb6 White begins to deal mighty blows 38...Kf7 39.Rb7 (39.Kf3 Ra7+-) 39...Kf8 40.Rb8 Kf7 41.Kf3 Ra6 42.Rb7 Kg8 43.Rd7 Kh8 (better 43...Ra1!?+-) 44.Rd6+- Kg8?? (44...Ra1+-) 45.Ra6 (45.Ra6 Kf7 46.Ra7 Kf8 47.e4 fe4 48.Ke4+-) 1–0. BeepBeepImAJeep (2760) – troisi (2425), lichess.org, 2019.

7.d4 Nb6 8.Nf3 Ne4 9.Bd3 (9.Nbd2 Nd2 10.Qd2 Bd7=) 9...Bd7 (9...Qc7 10.Nbd2 Nc3 11.Bc3 Qc3 12.0-0+=) 10.0-0+= Be7 (10...Bd6 11.Ne5+=) 11.Ne5 0-0 12.c4 Nf6? (better 12...f6 13.Nd7 Qd7+-) 13.c5+- Nc8 (13...Nc4 14.Nc4 dc4 15.Bc4+-) 14.Qc2 (14.Qc2 Be8 15.Nc3+-) 1–0. DEFFM – GuestGRDH, freechess.org, 2019.

7.Nf3 b6 8.c4 dc4 (8...a5 9.cd5 (9.Nc3 Bb7 10.cd5 Nd5 11.Bc4 Nb4 12.d4 Bf3 13.gf3+=) 9...Nd5 10.Bc4 Bb7 11.0-0 Bd6 12.Bd5 Bd5 13.Bg7=) 9.Bc4 Bb7 (9...Bd6 10.d4 (10.Ba3 Qc7 11.Qe2 0-0 12.0-0 Bb7 13.Bd6+=; 10.0-0 Bb7 11.d3 0-0 12.Nbd2 Nc5 13.e4+=) 10...Qc7 11.Bd3 0-0 12.Nbd2 Bb7 13.0-0+=) 10.0-0 (10.Qe2 Bd6 11.d3 0-0 12.Nbd2 Qe7 13.e4+=) 10...Qc7 (10...Bd6 11.d3 0-0 12.Nbd2 Qe7 13.e4+=) 11.Qe2 (11.d3 Bd6 12.Nbd2 0-0 13.Qe2+=) 11...Bf3 (11...Bd6 12.Rc1 Qb8 13.h3+=) 12.Qf3 Rc8 13.Bb3 (13.Rc1+/-) 13...Bd6 14.Rc1 Qb8 (better is 14...Qc1!? 15.Bc1 Rc1 16.Bd1 Ne4+=) 15.Rc8+/- Qc8 16.Ra7 0-0 (16...Bh2!? 17.Kf1 Bb8+=) 17.g3 Ne5 (17...Qb8 18.Ra2+/-) 18.Qe2 (18.Be5 Be5 19.Qc6 Bb2+-) 18...Qb8+/- 19.Ra6 Qb7 20.Be5 Be5 21.f4 (21.d4 Bb8+/-) 21...Bd6 22.Nc3 Bc5 (22...Rc8 23.Bc4+/-) 23.Bc2 Ra8 (23...Qc7 24.Ne4 Nd5 25.Qd3+/-) 24.Ra8 (24.Na4!? Ra6 25.ba6 Qc6+-) 24...Qa8+/- 25.Na4 Qd5 (25...Bb4 26.f5+/-) 26.Nc5 (26.d4!? Bb4 27.Nb6 Qb7+-) 26...Qc5+/- 27.Qd3 Qd5 28.Qd5 Nd5 29.Be4 Kf8 30.Bd5 ed5 31.Kf2 Ke7 32.d4 (32.g4 Kd6 33.d4 h5+-) 32...f5 33.Kf3 h5 34.h3 Kf6 35.g4 hg4 36.hg4 fg4? (better is 36...g6+-) 37.Kg4 g6 38.Kg3 Kf5 (38...Ke6 39.Kf3 Kf5 40.e4 de4 41.Ke3 Kf6+-) 39.Kf3 Ke6 40.e4 de4 41.Ke4 Kd6 42.d5 Kc5 43.Ke5 1–0. Kreuzer – Baumann, Bez–Kl Mannheim, 1980.

7.Nf3 Nc5 8.c4 dc4 9.Bc4 Bd7 10.0-0 Bd6 (10...Nce4 11.Nc3+/-) 11.Nc3 0-0 (11...Rc8 12.d4 Nce4 13.Ne4 Ne4 14.Qd3+-) 12.d4 Nfe4?? (better is 12...Nce4 13.Ne4 Ne4+/-) 13.dc5+- Nc5 (13...Nc3 14.Bc3 Bc5+-) 14.Qd6 (14.Qd6 Qb6 15.Qd4+-) 1–0. DEFFM – GuestYKVF, freechess.org, 2018.

7.Nf3 Bd6 8.d4 a6 9.Bd3 0-0 10.0-0 Nb6 11.Nbd2 Re8 (11...ab5 12.Ra8 Na8 13.Qe2= (13.Bb5? Qb6-+)) 12.ba6+= ba6 13.e4 de4 14.Ne4 Ne4 15.Be4 Rb8 16.Ne5 Qc7 17.Ba3 Be5 18.de5 Qe5 19.Qd3 g6?? (better 19...Nd5 20.Rae1 Qg5+/-) 20.Bd6+- Qa1 (20...Qb5 21.Bb8 f5 22.Qb5 ab5 23.Bd3+-) 21.Ra1 (21.Bb8?! Qf6=) 21...Rd8 22.Qg3 Bb7 (22...Ra8 23.Bc7 Rd4 24.Bc6+-) 23.Be7 (better 23.Bb8 Be4 24.Qc7+-) 23...Be4 (23...Rdc8 24.Bd3 Nd7+-) 24.Qh4 (better 24.Bd8 Rd8 25.Qe3 Bd5 26.Qb6 Rc8+-) 24...Rd5? (better 24...Rd7 25.Qe4 Re7 26.Ra6 Rc7+/-) 25.Qe4+- Re8 26.Bf6 Nd7 27.Bb2 Nc5 (27...Rd8 28.Kf1+-) 28.Qe3 Red8 29.h3 (29.h3 Nd7 30.Ra6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.Nf3 Bd6 8.Be2 Qe7 9.0-0 b6 (9...e5 10.Ba3=) 10.Nd4 Bb7 11.c4 (11.Nc3 0-0+=) 11...0-0 12.Nc6 Bc6 13.bc6 Nb8 14.cd5 Nd5 15.Bb5 Nc7 16.Qa4 a6 (16...Nb5 17.Qb5 Rc8 18.Rc1+=) 17.Bd3 (17.Be2 b5 18.Qd4 e5=) 17...b5 (17...Bh2!? 18.Kh2 Qd6 19.Qf4 Qd3 20.Qc7 Qf1+=) 18.Qc2= h6 (18...Qh4 19.f4=) 19.f4 Nd5 (19...Rc8 20.Rc1=) 20.Rf3 (20.Bb5 Rc8+/-) 20...Rc8 (20...b4 21.f5=) 21.Rg3+= Nf6 22.Bb5 ab5?? (better is 22...Ra7 23.Bd4 Rac7 24.Ba6 Rc6+=) 23.Bf6 Qf6 24.Ra8 e5 (24...Qd8 25.Qb2 Bf8 26.Qb5 Nc6 27.Rc8 Qc8 28.Nc3+-) 25.c7! Bc7 (25...Rc7 26.Rb8 Double attack (26.Rb8 Deflection); 25...Bc7 26.Rb8 Decoy) 26.Rb8! Rb8 (26...Bb8 27.Qc8 Double attack (27.Qc8 Pinning; 27.Qc8 Deflection; 27.Qc8 Decoy); 26...Rb8 27.Qc7 Double attack (27.Qc7 Deflection; 27.Qc7 Decoy; 27.Qc7 Overloading)) 27.Qc7 Re8 28.Nc3 ef4 29.Rf3 (29.ef4?! b4 30.h3 Qd4 31.Kh2 bc3 32.Qc3 Rd8+/-) 29...b4 (29...Qe7 30.Qf4 Rd8 31.e4+-) 30.Rf4 Qg6 31.Rb4 Qc2 32.Qd7 Ra8 33.Rb7 Ra1 (33...Rf8 34.g3+-) 34.Kf2 Qg6 35.Nd5 Kh7 36.Qf7 Qg5 (36...Qf7 37.Rf7 Ra2+-) 37.Nf6 Qf6 38.Qf6 (38.Qf6 Rf1 39.Kf1 h5 40.Qg7) 1–0. DEFFM – GuestRFDJ, freechess.org, 2018.

7.Nf3 Be7 8.Be2 Qc7 9.0-0 0-0 10.d4 Nb6 11.Nbd2 (11.Ba3 Ba3 12.Na3 Ne4+=) 11...Ne4 (11...a6 12.Ba3+=) 12.Ne4+= de4 13.Nd2 f5 14.c4 Bd6 (14...e5 15.de5 Be6 16.Bd4+=) 15.g3 (15.c5 Bh2 16.Kh1 Nd5+/-) 15...Be7 (15...Bb4 16.Ba3 Ba3 17.Ra3+=) 16.c5 Bd7? (better is 16...Nd5+=) 17.cb6+- ab6 (17...Qb6 18.Qb3+-) 18.Qb3 Ra1 19.Ra1 Bf6 20.Rc1 Qb8 21.Nc4 Bd8 (21...Rc8 22.f3+-) 22.Ne5 Bc8 23.Ba3 Re8 24.Nc4 (24.Bh5 g6 25.Be2 Bf6+-) 24...Bc7 25.Qb4 Rd8 (25...e5 26.Nd6 Bd6 27.Qd6 Qd6 28.Bd6 ed4 29.ed4+-) 26.Qe7 Bd7 27.Ne5! Be5 28.de5 Be8 (28...Qa8+-) 29.Qf8 1–0. Scheele,Marcus – Hensel,Olaf, Bochum–ch, 1991.

7.c4 0-0 8.Nf3 dc4 9.Bc4 Nbd7 10.d4 Nb6 11.Bd3 Bd7 12.0-0 Rc8? (better 12...Nbd5!?+=) 13.Ra7+/- Ra8 14.Ra8 (worse 14.Rb7 Bc8 15.Re7 Qe7+/-) 14...Qa8 15.Qb3 Nbd5 16.Nbd2 (16.Ne5 Rc8+-) 16...Rc8 17.Rc1 (17.Ra1 Qb8+-) 17...Rc1+/- 18.Bc1 Qa1 (18...Qa5 19.Ne5+/-) 19.Qb2 (19.Nb1 Nb4 20.Bc4 Nbd5+/-) 19...Qb2 20.Bb2 Nb4 (20...Nc7!?+=) 21.Be2+/- Nfd5 22.Ne5 Be8 23.g3 (23.e4 Nf4 24.Bc4 f6+-) 23...Nc7 24.b6 Ncd5 (better 24...Na8!?+=) 25.Nec4+/- Bb5 26.e4 (26.Bf1 Bd8 27.Ba3 Na2+/-) 26...Bc4? (better 26...Nb6 27.Ba3 Nc4 28.Nc4 Kf8=) 27.Nc4+- (27.Bc4?! Nb6 28.Bb5 Na6+=) 27...Nf6 28.f3 Bd8 29.Ba3 Nc6 30.Bc5 Nd7 31.Nd6 (better 31.f4+-) 31...Be7?? (better 31...Bb6 32.Bb6 Nb6+=) 32.Nb7+- Bc5 33.dc5 (33.Nc5?! Nb6 34.Nb3 Kf8+-) 33...Kf8 (33...Nd4 34.Bd1+-) 34.Bb5 Ke8 (34...Ndb8+-) 35.Bc6 (35.Bc6 Ke7 36.Bd7 Kd7 37.Na5+-) 1-0. ClayPigeons (2160) - Saiyanblood (2160), Rated Bullet game, lichess.org, 2021.

7.c4 0-0 8.Nf3 Nbd7 9.Be2 a6 10.0-0 ab5?? (better is 10...dc4 11.Bc4 Nb6=) 11.Ra8+- bc4 12.Nc3 Nb6 (12...e5 13.Ra2+-) 13.Ra2 Bd7 14.d3 cd3 (14...Qc7 15.e4+-) 15.Bd3 Bc6 16.Ne5 (16.Qe2 Nbd7+-) 16...Qd6 17.Nc6 bc6 18.Qb3 (18.Qc2 e5+-) 18...Qc7 (18...c5 19.Qc2 c4 20.Be2+-) 19.Rfa1 (19.Rfa1 Bd6 20.Ra7+-) 1–0. GuestPSGS – GuestJTLM, freechess.org, 2017.

7.c4 0-0 8.Nf3 Nbd7 9.Be2 Nc5 10.0-0 Nce4 11.d3 Nc5 (11...Nd6 12.Nbd2+=) 12.d4 Nce4 13.Nbd2 (13.c5 a5+=) 13...Bd7 (13...Nd2 14.Qd2 a6 15.c5+-) 14.Ne5 (14.c5 Nd2 15.Qd2 Qe8+-) 14...a6 (14...dc4 15.Bc4 Nd6 16.Qb3+=) 15.Nd7 Qd7 16.Ne4 Ne4 17.c5 (better 17.cd5!? ed5 18.ba6+-) 17...ab5= 18.Ra8 Ra8 19.Qc2 (19.f3 Nf6 20.Qb3 b6 21.Bb5 Qc7 22.cb6 Qb6=) 19...f5 (19...Qc6 20.f3 Nd6 21.Bd3=+) 20.Rb1 Ra2 (20...Qc7!?=) 21.Qb3 Attacks the isolani on b5 21...Ra8 22.Bb5 (worse 22.Qb5 Qb5 23.Bb5 Ra2=+) 22...Qc7 23.Rc1 Qa5 (23...b6 24.f3 Ng5 25.h4=) 24.g3 (24.Bd7!? Qa6 25.Qd1+-) 24...Qd2 25.Qc2 (25.Rf1 Rd8+=) 25...Qb4 (better 25...Ra2 26.Qd2 Nd2=) 26.Bd3?? (better 26.Bd7 Kf7 27.Qe2+=) 26...Ra2–+ 27.Rb1 Nd2 28.Bc3?? (28.c6 bc6 29.Qc6 Nb1 30.Qe6 Kf8 31.Qf5 Ke8 32.Qc8 Bd8 33.Qe6 Kf8 34.Qf5 Bf6 35.Qc8 Ke7 36.Qc7 Kf8 37.Qc8 Kf7 38.Qd7 Kf8 39.Qc8=) 28...Qb1 (28...Rc2 29.Bb4 (29.Rb4? Rc3 30.Rb7 Nf3 31.Kf1 Kf7–+) 29...Ra2 30.Bd2 Rd2 31.Rb7+-) 29.Qb1 Nb1 30.Bb1 Ra3 31.Be1 Ra1 32.Kg2 (32.Bc2 Re1 33.Kg2 Kf7–+) 32...Rb1 33.Ba5 Kf7 (33...e5 34.de5 Bc5 35.Bc7–+) 34.Bb6 (34.Bc7 g5–+) 34...Rb6 (better 34...e5!? 35.de5 Rc1 36.c6 bc6 37.Bc7–+) 35.cb6 Bd8 36.Kf3 Bb6 37.Ke2 Ke7 38.Kd3 Kd6 39.f3 Bc7 40.e4 (40.h3 b5–+) 40...de4 41.fe4 fe4 42.Ke4 b5 43.g4 b4 44.h4 b3 45.Kd3 Bb6 (45...Ba5 46.h5 g6 47.h6–+) 46.Kc3 b2! 47.Kb2 Deflection from d4 47...Bd4 48.Kc2 Bf2 49.h5 Bh4 (49...Ke5!? 50.g5–+) 50.Kd3 Bg5 (50...Kd5 51.Ke3–+) 51.Ke4 (51.Kd4 Bf6 52.Kd3 Kd5–+) 51...e5 52.Kf3 Bf4 53.Ke4 Ke6 54.Kf3 Kf6 55.Ke4 Kg5 56.Kf3 e4! 57.Kg2 (57.Ke4 Theme: Deflection from g4 57...Kg4) 57...Kg4 58.h6 gh6 59.Kf2 h5 60.Ke2 e3 61.Kf1 Kf3 62.Kg1 (62.Ke1 h4 63.Kd1 e2 64.Ke1 Bg3 65.Kd2 e1Q 66.Kc2 Be5 67.Kb3 Qa5 68.Kc4 h3 69.Kb3 Qb5 70.Kc2 Ke2 71.Kc1 Qb2) 62...e2 63.Kh1 e1Q 0–1. BeepBeepImAJeep (2475) – kt_chesser (2130), lichess.org, 2019.

7.Nf3 a5 A) 8.ba6 ba6 9.Bb5 Bd7 10.Be2 0-0 11.0-0 a5 12.Na3=; B) 8.Ba3 Nbd7 (8...0-0 9.d4 Nbd7 10.Bd3 Re8 11.0-0 Ba3 12.Ra3+=; 8...b6 9.d4 Ba3 10.Na3 Qc7 11.c4 Nbd7 12.Be2+=; 8...Ne4 9.d4 Nd6 10.Bd3 Bd7 11.Ne5 Qc7 12.Qh5+=) 9.d4 a4 10.Bd3 0-0 11.0-0 Nb6 12.Ne5=; C) 8.d4 C1) 8...0-0 9.Bd3 (9.Ba3 Nbd7 10.Bd3 Ba3 11.Na3 Qe7 12.0-0=) 9...a4 10.0-0 Nbd7 11.Ba3 Nb6 12.Ne5+=; C2) 8...Bb4 9.c3 Bd6 10.Ba3 0-0 11.Bd3 Qc7 12.Bd6+=; C3) 8...b6 9.Bd3 (9.Ba3 Ba3 10.Ra3 0-0 11.Bd3 Nbd7 12.0-0=) 9...Bb4 10.c3 Bd6 11.Ba3 0-0 12.0-0+=; C4) 8...Nbd7 9.Ba3 (9.Bd3 0-0 10.Ba3 a4 11.Be7 Qe7 12.c3=) 9...Ba3 10.Ra3 Qc7 11.Bd3 e5 12.de5=; D) 8.Be2 D1) 8...Nbd7 9.0-0 (9.d4 Qc7 10.0-0 0-0 11.Ba3 Re8 12.Be7=; 9.Ba3 e5 10.0-0 0-0 11.Be7 Qe7 12.Nc3=) 9...Qc7 10.d4 Ne4 11.Ba3 Ba3 12.Ra3+=; D2) 8...0-0 9.Ba3 (9.0-0 Nbd7 10.d4 Re8 11.Nbd2 b6 12.Bd3=) 9...Ba3 10.Na3 Qd6 11.0-0 e5 12.d4=.

7.Nf3 Qc7 8.d3 (8.Be5 Bd6 9.Bd6 Qd6 10.d4 Nbd7 11.Nbd2 0-0 12.Bd3=) 8...Nbd7 (8...0-0 9.Be5 Qb6 10.c4 Nbd7 11.Bd4 Qc7 12.Qb3=) 9.Nbd2 (9.Be2 e5 10.0-0 0-0 11.Ba3 Ba3 12.Na3=; 9.d4 a6 10.Bd3 0-0 11.0-0 Nb6 12.ba6=) 9...0-0 10.Be2 (10.d4 Re8 11.Bd3 Nb6 12.Ba3=) 10...Qb8 (10...e5 11.Rc1 a5 12.c4=) 11.0-0 (11.d4 a6 12.0-0+=) 11...a6 12.ba6 (12.d4=) 12...ba6 13.Bf6 Bf6 14.d4 Bb7 15.Qb1 Qc7 16.Rc1 a5 17.c4 Ba6? (better is 17...Rfb8=) 18.cd5+- Qd6? (better is 18...Qb8 19.Ba6 Ra6 20.de6 fe6+-) 19.Rc6 Rfb8 (19...Qd5 20.Ra6 Ra6 21.Ba6+-) 20.Qc1 (20.Rd6 Rb1 21.Rb1 Be2 22.Rd7 h6+-) 20...Rc8 (20...Qd5 21.Ra6 Ra6 22.Ba6+-) 21.Ba6 (better is 21.Rd6!? Rc1 22.Rc1 Be2 23.Rd7 h5+-) 21...Rc6 22.Qc6 (22.dc6 Bd8 23.Bb7 Ra7+-) 22...Ra6 (22...Qd5 23.Bb5 Nf8+-) 23.Qd6 (better is 23.Qc8 Bd8 24.Qd8 Nf8 25.Qd6 Rd6 26.de6 fe6 27.Ra5+-) 23...Rd6 24.de6 Re6 25.Ra5 Rb6 26.Ra8 Nf8 27.Ra1 g6 28.Ne4 Bg7 29.Kf1 h6 30.Nc5 Rc6 31.Ra7 Nh7 32.Ra8 Nf8 33.Nd7 Rc7 34.Nf8 Bf8 35.Ne5 Kg7 36.Rd8 Be7 37.Rd7 Rd7 38.Nd7 f5 39.h3 Kf7 40.f3 Bh4 41.Ne5 Kf6 42.g4 g5 (42...Bg3 43.f4+-) 43.gf5 Kf5 44.Nd3 Bg3 45.e4 Ke6 46.d5 Kf6 47.Ke2 Bd6 (47...Bb8 48.Kd2+-) 48.Ke3 Bc7 49.Kd4 Bb6 50.Kc4 Bc7 51.Kc5 Ke7 52.Kc6 Bb8 (52...Bd8+-) 53.e5 Ke8 54.d6 h5 55.e6 Ba7 56.Nb4 Bd4 57.Nd5 Be5 58.d7 1–0. Schutz – Nottenkamper, 1986.

7.Nf3 Bd7 8.c4 dc4 9.Bc4 0-0 10.0-0 Ne4 11.d3 Nd6 12.Bb3 (better is 12.Nc3!?+=) 12...Bb5 13.Ne5 Ne4?? (13...Nc6 14.Na3+=) 14.Qg4 (better is 14.de4 Bf1 15.Qf1+/-) 14...Nf6+= 15.Qg3 Bd6 (worse is 15...Bd3 16.Rd1 Ne4 17.Qg4+- (worse is 17.Rd3 Ng3 18.Rd8 Rd8 19.hg3 Bf6+=)) 16.d4?? (better is 16.f4=) 16...Bf1–+ 17.Kf1 Qb6 18.Nd2 Nc6 (better is 18...Qb4 19.Rd1 Ne4 20.Ne4 Qb3–+) 19.Ndf3?? (better is 19.Bc3–+) 19...Qb3 20.Bc1 (20.Ba3 Qc3 21.Rd1 Qa3–+) 20...Qc3 (20...Be5 21.de5 Ne4 22.Bd2 Ng3 23.hg3–+) 21.Rb1 (21.Bb2 Qb2 22.Re1 Qb5 23.Kg1 a5–+) 21...Ne5 22.de5 Be5! 23.Ne5 (23.Qe5 Qd3 Theme: Double Attack) 23...Rac8 (better is 23...Qc2 24.f4 Rfd8–+) 24.e4 Qf3 (better is 24...Qc2 25.Qd3 Qd3 26.Nd3 Rfd8–+) 25.Nf3 (25.Nf3 Ne4 26.Qe5+-; better is 25.Qf3!? Rc5 26.Ba3 b6 27.Bc5 bc5+-) 1–0. Scirocco – 0905978500113, Live Game Caissa's Web, 2004.

7.Nf3 Nbd7 8.d3 0-0 9.d4 b6 (9...Ne4 10.Bd3=) 10.Nbd2 Qc7 11.Bd3 Nb8 12.0-0 a5 13.c4 dc4 14.Nc4 Nbd7 15.Rc1 Qb8 16.Nfe5 Nd5? (better is 16...Ne5 17.de5 Nd5+/-) 17.Nc6+- Qb7 (better is 17...Qc7+-) 18.e4 Bg5 19.Nd6 (19.Rc2!? Nb4 20.Nd6 Qc7 21.Ne7 Be7 22.Rc7 Bd6+-) 19...Qc7 20.Ne7! Be7 (20...Ne7 21.Rc7 Discovered attack (21.Rc7 Deflection); 20...Be7 21.Rc7 Discovered attack) 21.Rc7 (21.Nc8 Qf4 22.ed5 Rac8 23.de6 fe6+/-) 21...Nc7 22.e5 (22.Nc8 Rfc8 23.Qa4 Ne8+-) 22...Bd6+/- 23.ed6 Nd5 24.Be4 (24.Qg4 Bb7+/-) 24...N7f6+= 25.f3 (25.Bf3!?+=) 25...Ne4= 26.fe4 Ne3 27.Qd2 (27.Qd3 Nf1 28.Kf1 Bd7+=) 27...Nf1+= 28.Kf1 a4 29.Ba3 (29.d5!? a3 30.Ba1-/+) 29...Bd7-/+ 30.Qd3 Ra5 31.h3?? (better is 31.Qc2 Rc8 32.Qa2–+) 31...Bb5 (31...Bb5 32.Ke2 Bd3 33.Kd3 Rb5–+) 0–1. GuestMNLQ – GuestSFTN, freechess.org, 2017.

8.c4 b6 9.Be2 Nbd7 10.0-0 Bb7 11.d4 Qc7 12.Nbd2 Bb4 (12...a5 13.ba6 Ba6 14.Qb3+=) 13.Qb3+- Ba5 (13...Bd6!?+-) 14.Rfc1+- dc4 (14...Bd2 15.Nd2 Ne4 16.cd5 Nd2 17.Rc7 Nb3 18.Rb7 (18.Rd7?! Bd5 19.Raa7 Ra7 20.Ra7 Rc8+-) 18...Na1 19.de6 (worse 19.Ba1 Nf6 20.de6 fe6=+) 19...fe6 20.Rd7+- (20.Ba1 Nf6=+)) 15.Nc4 Bd5 (15...Qd8 16.Ba3 Bd5 17.Qd3 Bc4 18.Rc4+-) 16.Na5 ba5 (16...Qc1 17.Rc1 Bb3 18.Nb3+-) 17.Rc7 Bb3 18.Ra5 Rfc8 (18...Nb6 19.Bf1+-) 19.Raa7 Rc7 (19...Nb6 20.Rc8 Rc8+-) 20.Ra8 (20.Rc7?! Ra2 21.Rc8 Nf8+-) 20...Nf8 21.Ba3 N6d7 22.Ne5 Bd5 23.Re8 (23.Re8 g6 24.Nd7 Rd7 25.Bf8+-) 1–0. DEFFM – GuestJDMB, freechess.org, 2019.

8.c4 dc4 9.Bc4 b6 10.Qe2 Bb7 11.0-0 Nbd7 12.d4 Bd5 13.Rc1 Rc8 (13...Ne4!?+=) 14.Ra7+/- Bc4 15.Rc4 Rc4 16.Qc4 Ne4 17.Qc6 Ndf6 18.Ne5 Nd5 (18...Bd6 19.Ba3+-) 19.Nd7 Nb4?? (better is 19...Re8+-) 20.Qe4 1–0. forsetinn (1860) – yoga_sadhaka (1620), gameknot.com, 2013.

8.Bd4 A) 8...a6 9.Be2 (9.Nc3 Nbd7 10.ba6 ba6 11.Ra2 Bd6 12.Nb5+=; 9.Ne5 Nfd7 10.Nd3 Bf6 11.Bf6 Nf6 12.Be2=) 9...Bd6 10.Be5 Be5 11.Ne5 Qc7 12.f4=; B) 8...a5 9.ba6 ba6 10.Ne5 Bd6 11.Qf3 Qc7 12.Nc4-/+.

8.Be2 a5 9.Ba3 (9.0-0 Nbd7 10.d4 Nb6 11.Ba3 a4 12.Bd3=; 9.Ra2 Nbd7 10.0-0 Qc7 11.d4 Nb6 12.Ba3=) 9...Ba3 10.Ra3 Bd7 11.d4 Qb6 12.Qd3=.

8.Be2 Nbd7 9.0-0 Nb6 10.Ne5 (10.Bd4 Nfd7=) 10...Bd7 (10...Ne4 11.f3 Nd6 12.Na3=) 11.Bd4+= Qc7 12.Nc3 Bd6 13.f4 Rfd8 (13...Bc5 14.Bc5 Qc5 15.Qe1+=) 14.Qe1 (14.Ra2 Bc5+=) 14...Be8 (14...Bc5 15.Bc5 Qc5 16.d4+=) 15.Qg3+= Nbd7?? (better is 15...Bc5+=) 16.Nd7+- (16.Nd7 Rd7 17.Bf6+-) 1–0. DEFFM – GuestRHFV, freechess.org, 2018.

8.Be2 Nbd7 9.0-0 Nc5 10.c4 b6 11.cd5 Nd5 12.Nd4 Nf6 13.Nc6 Qc7 14.Ne7 Qe7 15.Nc3 Bb7 16.Bf3 Bf3 17.Qf3 Nd3 18.Ba3 Nc5 19.d4 Qb7 20.dc5 Qf3 21.gf3 bc5 22.Bc5 Rfc8 23.Bd4 Nh5 24.Ne2 Rc2 25.Ng3 Ng3 26.hg3 f6 27.Rfb1 e5 28.Ra7 Ra7 29.Ba7 Rc7 30.b6 Rb7 31.Rc1 h6 32.Rc7 1–0. Abdullaevich (1615) – astrajingga (1605), lichess.org, 2018.

6.a5 ba5 A) 7.Bc3 Bb4 8.Nf3 Bd7 9.bc6 Nc6 10.Bb5+=; B) 7.Nf3 Bd7 (7...Bd6 8.Ne5 Bb7 9.bc6 Nc6 10.Bb5=; 7...a6 8.bc6 Nc6 9.Ne5 Bb7 10.Nc6+=) 8.Nc3 c5 9.Ne5 a6 10.Nd7+=.

6.a5 a6 A) 7.bc6 b5 8.c7 Qc7 9.Bd4 e5 10.Bb6-/+; B) 7.ab6 Nfd7 (7...Qb6 8.Bf6 gf6 9.Nc3 Rg8 10.Nf3=; 7...Bd6 8.Bf6 gf6 9.Qg4 Bb7 10.Qg7=) 8.ba6 Qb6 9.Bd4 c5 10.Bc3+=.

6.c4 cb5 7.ab5 Bd7 8.Nf3 dc4 9.Bc4 Qc7 10.Be2 Be7 11.Nc3 0-0 12.Nd4 Nd5 13.0-0 Nc3 14.Bc3 Bc8 15.Qb3 Bb7 16.Rfc1 Qd7 17.Bf3 Bf3 18.Nf3 Rc8 19.Qb2 f6 20.Nd4 e5 21.Nf3 Rc5 22.d4 Rb5 23.Qe2 ed4 24.Nd4 Rc5 25.Qh5 Rh5 26.g3 Nc6 27.Nf3 Ne5 28.Be5 Re5 29.Rd1 Qc7 30.Ne5 Qe5 31.Rd4 Bc5 32.Rdd1 h6 33.Ra4 a5 34.Rf4 Qf4 35.gf4 a4 36.Kg2 a3 37.Kf3 a2 38.Ke4 a1Q 39.Ra1 Ra1 40.Kd3 Ra2 41.f3 Rh2 42.e4 Rh3 43.Ke2 b5 44.f5 b4 45.f4 b3 46.e5 b2 47.Kd2 b1Q 48.ef6 Qb2 49.Ke1 Rh1 0–1. brucepeng (1815) – Gogochari69 (1780), lichess.org, 2019.

6.c4 cb5 7.cb5 d4 (7...a6 8.Nf3=) 8.Nf3 (better 8.Qf3!? Nd5 9.Bd4+-) 8...de3= 9.fe3 Bb4 10.Be2 0-0 11.0-0 Nbd7 12.Nd4 Ne5 (12...Qc7 13.Qc1 Bc5 14.Nb3+=) 13.Bf3 (better 13.Ne6 Be6 14.Be5+-) 13...Nd3?? (better 13...Nd5!?=) 14.Bc3 (14.Ba8!? Nb2 15.Qb3 Bd6 16.Qb2 Qc7+-) 14...Bc3?? (14...Nd5 15.Nc6 Qd6 16.Be4 Bc3 17.Nc3+-) 15.Nc3 (better 15.dc3 Nb2 16.Qe2+-) 15...Rb8 (15...Nd5 16.Nd5 ed5 17.Qb3+-) 16.Nc6 Qd6 17.Nb8 Qb8 18.Ne4 Qe5 (18...Ne4 19.Be4 Nc5 20.Bc2+-) 19.Nf6 Qf6 20.Be4 Rd8 (20...Qd8 21.Qc2 Nb4 22.Bh7 Kh8+-) 21.Rf6 gf6 22.Bd3 Rd3 23.Qc2 Rd5 24.Rc1 (better 24.Qc8!? Kg7+-) 24...Bb7 (24...Rc5 25.Qb2 Rc1 26.Qc1+-) 25.d4 (better 25.Qc7 Rd2 26.Qb7 h5+-) 25...Rg5 26.h4 (better 26.g3!? a6 27.Qc7 Be4 28.Qc8 Kg7 29.Qa6 h5+-) 26...Rg2 27.Qg2! Bg2 28.Kg2 Kg7 29.Rc7 e5 (29...f5 30.Ra7 Kg6+-) 30.Ra7 ed4 31.ed4 f5 32.Rb7 (32.a5 ba5 33.b6 Kg6 34.b7 Kg7 35.b8Q Kg6 36.Qg8 Kf6 37.Qf7) 32...Kf6 33.Rb6 Kg7 34.Kf3 f6 35.Kf4 Kg6 36.a5 h5 (36...Kg7 37.a6 h5 38.Rb7 Kh6 39.a7 Kg6 40.a8Q Kh6 41.Qf8 Kg6 42.Qg7) 37.a6 (37.Rb7 Kh6 38.d5 Kg6 39.d6 Kh6 40.d7 Kg7 41.d8Q Kg6 42.Qg8 Kh6 43.Qg7) 37...Kg7 38.a7 (38.a7 Kg6 39.a8Q Kf7 40.Rb7 Ke6 41.Rh7 Kd6 42.Qc6) 1–0. BeepBeepImAJeep (2550) – MortenLohne, lichess.org, 2017.

6.Be5 a6 A) 7.Nc3 Nfd7 (7...Nbd7 8.Nf3 Bb7 9.bc6 Bc6 10.Bf4=; 7...Bd6 8.Nf3 0-0 9.Bd3 Be5 10.Ne5=; 7...Bb4 8.Rb1 Ba5 9.Nf3 Nbd7 10.Bf6+=; 7...Bb7 8.Nf3 Nbd7 9.Bf4 Bb4 10.Ne2=; 7...ab5 8.ab5 Ra1 9.Qa1 Bd6 10.Bf6=; 7...Be7 8.Nf3 Bd6 9.Bd3 0-0 10.0-0=; 7...Bc5 8.Nf3 Bb7 9.Be2 Nbd7 10.0-0=; 7...Bd7 8.Nf3 Bb4 9.Rb1 Qe7 10.Bd3=) 8.Bg3 Bb4 9.Nf3 Bc3 10.dc3+=; B) 7.Bb8 Rb8 8.Nf3 Qc7 9.Be2 Bd6 10.d4+=; C) 7.Be2 Nbd7 (7...Nfd7 8.Bb2 Bd6 9.Nf3 0-0 10.Nc3+=; 7...Bd6 8.Bd6 Qd6 9.bc6 e5 10.Nf3+=) 8.Nf3 Ne5 9.Ne5 Ne4 10.Bh5-/+; D) 7.d4 Bb7 (7...Bb4 8.c3 Bd6 9.Bd6 Qd6 10.Nd2=; 7...Ne4 8.f3 Nd6 9.Nd2 Nf5 10.Kf2+=; 7...Nfd7 8.Bb8 Nb8 9.Nd2 Bb4 10.Rb1+=) 8.Nd2 Nbd7 9.Bd3 Ne5 10.de5+=; E) 7.f4 Bd7 (7...Nfd7 8.Bc3 Qh4 9.g3 Qh6 10.Nf3+=; 7...Be7 8.Nf3 Bb7 9.Be2 Nbd7 10.bc6=; 7...Bc5 8.Bb8 Rb8 9.Nf3 Qc7 10.Ne5+=; 7...Bb4 8.Nf3 Bb7 9.Be2 0-0 10.0-0=; 7...Bb7 8.Nf3 Be7 9.Be2 Nbd7 10.bc6=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.bc6=; 7...Bd6 8.Nf3 Be5 9.fe5 Nfd7 10.bc6=; 7...Ne4 8.Nf3 Bb7 9.Be2 f6 10.Bd4=) 8.Nc3 Be7 9.Nf3 0-0 10.Bd3+=; F) 7.c4 Bd6 (7...dc4 8.Bc4 Nbd7 9.Bc3 Bb7 10.Nf3+=; 7...Nbd7 8.Nf3 Ne5 9.Ne5 cb5 10.ab5+=; 7...Bb7 8.Nf3 Nbd7 9.cd5 ab5 10.de6=; 7...ab5 8.ab5 Ra1 9.Ba1 dc4 10.Bc4=; 7...Nfd7 8.Bc3 Nc5 9.Nf3 Ne4 10.cd5=; 7...Ne4 8.cd5 Nd7 9.Bb2 cd5 10.Nf3=; 7...cb5 8.ab5 Nbd7 9.Bb2 a5 10.Nf3=; 7...c5 8.cd5 ed5 9.ba6 Ba6 10.Bf6=) 8.Nf3 dc4 9.bc6 Nc6 10.Bd6+=; G) 7.Nf3 Nfd7 (7...Bb7 8.Nc3 Nbd7 9.Bf4 Bb4 10.Ne2=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.bc6=; 7...Bd6 8.Nc3 0-0 9.Bd3 Be5 10.Ne5=; 7...c5 8.ba6 Ba6 9.Ba6 Na6 10.0-0=; 7...Ne4 8.Be2 Bd6 9.Bd6 Qd6 10.bc6=; 7...Bd7 8.Nc3 Bb4 9.Rb1 Qe7 10.Bd3=; 7...Nbd7 8.bc6 Ne5 9.Ne5 Bd6 10.d4=) 8.Bb2 Qc7 9.Be2 e5 10.c4=.

6.Be5 Bb7 A) 7.Be2 a6 (7...Nfd7 8.Bb2 Bd6 9.Nf3 0-0 10.Nc3=; 7...Nbd7 8.bc6 Bc6 9.Nf3 Be7 10.0-0=; 7...Bd6 8.Bd6 Qd6 9.Nf3 0-0 10.0-0+=; 7...Be7 8.Nf3 Nbd7 9.Bf4 0-0 10.bc6=; 7...Ne4 8.Nf3 f6 9.Bb2 a6 10.0-0=; 7...c5 8.Nf3 Be7 9.0-0 0-0 10.Na3=; 7...Bb4 8.Nf3 Nbd7 9.0-0 0-0 10.Bf4=; 7...Bc5 8.Nf3 0-0 9.0-0 a6 10.d4=) 8.Nf3 Nfd7 9.Bb2 Bd6 10.bc6+=; B) 7.a5 ba5 8.Nf3 a6 9.Bb8 Qb8 10.bc6+=; C) 7.Nc3 Nbd7 (7...a6 8.Nf3 Nbd7 9.Bf4 Bb4 10.Ne2=; 7...Nfd7 8.Bg3 a6 9.Nf3 Bb4 10.Na2=; 7...Be7 8.Nf3 0-0 9.Be2 c5 10.a5+=; 7...Bd6 8.Bd6 Qd6 9.Nf3 a6 10.Be2=; 7...Bb4 8.Nf3 0-0 9.Rb1 c5 10.Na2=; 7...c5 8.Nf3 Nbd7 9.Bf4 Be7 10.Be2+=) 8.bc6 Bc6 9.Nf3 Ne4 10.Nb5+=; D) 7.d4 a6 (7...Ne4 8.f3 Nd6 9.Bd3 a6 10.Nc3=; 7...Nbd7 8.Nf3 Ne5 9.Ne5 c5 10.Bd3+=; 7...Bb4 8.c3 Be7 9.Bd3 a6 10.Nd2=; 7...Nfd7 8.Bf4 a6 9.Nd2 Bb4 10.Bd3=; 7...Bd6 8.Nf3 a6 9.Nbd2 c5 10.a5=; 7...Be7 8.Bd3 a6 9.Nd2 Nbd7 10.Ngf3=; 7...c5 8.Nf3 Nbd7 9.Bf4 Be7 10.dc5+=; 7...a5 8.Bd3 cb5 9.Bb5 Bc6 10.Bd3=) 8.Nd2 Nbd7 9.Bd3 Ne5 10.de5+=; E) 7.Bd3 Nbd7 (7...a6 8.Nf3 Nbd7 9.bc6 Bc6 10.0-0+=; 7...Nfd7 8.Bb2 e5 9.Nh3 Bd6 10.0-0+=; 7...Bd6 8.Nf3 a6 9.Nc3 Be5 10.Ne5=; 7...Be7 8.Nf3 Nbd7 9.Bf4 a6 10.bc6=; 7...cb5 8.ab5 Nbd7 9.Bb2 Nc5 10.Be2=; 7...c5 8.Nf3 Nbd7 9.Bf4 c4 10.Be2+=; 7...Bb4 8.Nf3 Nbd7 9.0-0 0-0 10.Bf4=) 8.Nf3 Ne5 9.Ne5 c5 10.0-0+=; F) 7.Ra2 a6 (7...Nbd7 8.bc6 Bc6 9.Nf3 Ne5 10.Ne5+=; 7...Nfd7 8.Bg3 a6 9.Rb2 Be7 10.Nf3+=; 7...Be7 8.Nf3 0-0 9.Be2 a6 10.Nc3+=; 7...Bd6 8.Bd6 Qd6 9.a5 ba5 10.d4+=; 7...Bb4 8.c3 Be7 9.Nf3 0-0 10.Be2+=; 7...Ne4 8.Nf3 a6 9.d3 Nf6 10.ba6=; 7...c5 8.Nf3 Nbd7 9.Bf4 Be7 10.Be2+=) 8.Nc3 Nfd7 9.Bg3 Bb4 10.Nge2+=; G) 7.Nf3 a6 (7...Be7 8.Be2 Nbd7 9.bc6 Bc6 10.0-0=; 7...Nfd7 8.Bc3 a6 9.ba6 Ba6 10.d3=; 7...Bb4 8.c3 Be7 9.d4 a6 10.Nbd2=; 7...Nbd7 8.Bf4 Be7 9.bc6 Bc6 10.Ba6=; 7...Bd6 8.d4 a6 9.Nbd2 0-0 10.Bd3=; 7...Ng4 8.Bf4 Bd6 9.Bd6 Qd6 10.d4=; 7...Ne4 8.Bd3 a6 9.0-0 f6 10.Bb8=; 7...c5 8.Be2 Nbd7 9.Bc3 a5 10.ba6=) 8.Nc3 Nbd7 9.Be2 Ne5 10.Ne5+=.

6.Be5 Bd6 A) 7.Bd6 Qd6 8.a5 ba5 9.Nc3 e5 10.d4+=; B) 7.Nf3 0-0 (7...a6 8.Nc3 0-0 9.Bd3 Be5 10.Ne5=; 7...Be5 8.Ne5 a6 9.bc6 Qc7 10.d4=; 7...c5 8.Bd6 Qd6 9.Be2 a6 10.0-0=; 7...Qc7 8.Bd6 Qd6 9.d4 0-0 10.Nbd2=; 7...Bb7 8.d4 a6 9.Nbd2 c5 10.a5=; 7...Bc7 8.d4 0-0 9.Bd3 a6 10.Nbd2=) 8.d4 Ne4 9.Nbd2 Bb4 10.c4+=; C) 7.f4 Ne4 (7...0-0 8.Nf3 a6 9.Be2 Be5 10.fe5+=; 7...a6 8.Nf3 Be5 9.fe5 Nfd7 10.bc6=; 7...Be5 8.fe5 Nfd7 9.Nf3 a6 10.bc6=; 7...Bb7 8.Nf3 0-0 9.Be2 a6 10.0-0=; 7...Be7 8.Nf3 c5 9.Be2 Nbd7 10.0-0=; 7...Bb4 8.Nf3 Bb7 9.Nd4 c5 10.c3=; 7...c5 8.Nf3 0-0 9.Be2 a6 10.0-0=; 7...Bc5 8.Nf3 Bb7 9.Be2 0-0 10.0-0=) 8.Bg7 Rg8 9.d3 Qh4 10.g3+=; D) 7.d4 Be5 (7...0-0 8.Nf3 Ne4 9.Bd3 a6 10.bc6=; 7...a6 8.Bd6 Qd6 9.Nd2 0-0 10.Ngf3=; 7...Bb7 8.Nf3 0-0 9.Bd3 a6 10.Nbd2=; 7...c5 8.Nf3 a6 9.Be2 c4 10.ba6=; 7...Qe7 8.Bd6 Qd6 9.Nd2 a6 10.Ngf3=; 7...h6 8.Bd3 Be5 9.de5 Nfd7 10.Qg4=; 7...Bc7 8.Nf3 0-0 9.Bd3 a6 10.Nbd2=; 7...Bb4 8.c3 Bd6 9.a5 Be5 10.de5=) 8.de5 Nfd7 9.Nf3 Qc7 10.Qd4+=.

6.Be5 Nbd7 A) 7.Bg3 c5 (7...Bb7 8.bc6 Bc6 9.Bb5 Bb7 10.Nf3+=; 7...cb5 8.ab5 Ne4 9.Nf3 Qf6 10.Ra4=; 7...Nb8 8.Nf3 Ne4 9.Be5 a6 10.Be2=) 8.Nf3 Ne4 9.Nc3 Ng3 10.hg3+=; B) 7.Bc3 c5 (7...Bb7 8.Nf3 Bd6 9.a5 ba5 10.bc6+=; 7...a6 8.Nf3 c5 9.ba6 Ba6 10.Ba6=; 7...cb5 8.ab5 Bd6 9.Nf3 e5 10.Be2=; 7...Ne4 8.bc6 Nb8 9.Bb5 Qc7 10.a5=; 7...Be7 8.bc6 Nb8 9.Bb5 0-0 10.Qf3=; 7...Qc7 8.Nf3 cb5 9.ab5 Bd6 10.Bb2=; 7...Nb8 8.a5 Bd6 9.Nf3 ba5 10.Ba5=) 8.a5 Bd6 9.Nf3 0-0 10.Be2+=; C) 7.Bb2 c5 (7...Bb7 8.Nf3 Bd6 9.a5 ba5 10.bc6+=; 7...cb5 8.ab5 e5 9.Be2 Qc7 10.Nf3=; 7...a6 8.Nf3 c5 9.ba6 Ba6 10.Ba6=; 7...Qc7 8.bc6 Qc6 9.Bf6 gf6 10.Nf3=) 8.Nf3 Bd6 9.Be2 0-0 10.0-0+=; D) 7.Nf3 Ne5 (7...c5 8.Bf4 Ne4 9.d3 Qf6 10.Ra2=; 7...Ne4 8.Bb2 Bb7 9.Nc3 c5 10.a5=; 7...Bb7 8.bc6 Bc6 9.Bb5 Ne5 10.Ne5=; 7...cb5 8.Bb5 Bb7 9.a5 ba5 10.0-0=; 7...Be7 8.bc6 Ne5 9.Ne5 Bd6 10.f4=; 7...a6 8.bc6 Ne5 9.Ne5 Bd6 10.d4=) 8.Ne5 c5 9.f4 Qc7 10.Be2+=; E) 7.Bf6 Nf6 (7...Qf6 8.Nc3 Bb7 9.a5 ba5 10.bc6+=) 8.bc6 Qc7 9.a5 ba5 10.Nf3+=; F) 7.Bd4 c5 8.Bc3 Bd6 9.Nf3 0-0 10.Be2-/+; G) 7.Bf4 e5 (7...c5 8.Nf3 Ne4 9.d3 Qf6 10.Ra2=; 7...Bb7 8.Nf3 Bb4 9.Be2 0-0 10.0-0=; 7...cb5 8.Bb5 Bb7 9.Nf3 a6 10.Be2=; 7...Nb8 8.Nf3 Bd6 9.Bd6 Qd6 10.d4=) 8.bc6 ef4 9.cd7 Bd7 10.Bb5+=.

6.Be5 Nfd7 A) 7.Bc3 h6 (7...a6 8.Nf3 Qc7 9.ba6 Ba6 10.d3+=; 7...Qc7 8.a5 a6 9.ba6 Ba6 10.ab6=; 7...Qe7 8.Nf3 a6 9.Be2 e5 10.0-0=; 7...Nc5 8.a5 cb5 9.Bb5 Bd7 10.Be2=; 7...Bb7 8.Nf3 a6 9.ba6 Ba6 10.d3=; 7...f6 8.Bd3 g6 9.Nf3 e5 10.Be2=; 7...c5 8.a5 a6 9.ab6 Nb6 10.Nf3=; 7...e5 8.f4 e4 9.bc6 Nc6 10.Qh5=) 8.Nf3 a6 9.Bd3 Bd6 10.Nd4+=; B) 7.Bg3 a6 (7...Qf6 8.d4 a6 9.Nd2 Bb4 10.Bd3=; 7...Be7 8.Nf3 a6 9.Nc3 Bf6 10.d4=; 7...Bb4 8.Qg4 Be7 9.a5 0-0 10.ab6+=; 7...Bb7 8.a5 cb5 9.Bb5 a6 10.Bd7+=; 7...e5 8.Nc3 Bb7 9.Nf3 Bd6 10.bc6=; 7...Bc5 8.d4 Be7 9.Nf3 0-0 10.Bd3=; 7...c5 8.Nf3 Be7 9.Nc3 0-0 10.Be2=; 7...h6 8.Nc3 a6 9.Nf3 Bb4 10.Be2=) 8.Nc3 Bb4 9.Nf3 Bc3 10.dc3+=; C) 7.Nf3 Ne5 (7...a6 8.Bb2 Qc7 9.c4 dc4 10.bc6+=; 7...cb5 8.Bb8 Nb8 9.Bb5 Bd7 10.Bd7=; 7...Bb7 8.Bc3 a6 9.Bd3 Nc5 10.Be2+=; 7...Qe7 8.Bg3 a6 9.Nc3 Qf6 10.Rb1=; 7...c5 8.Bb2 f6 9.c4 Bb7 10.Nc3=) 8.Ne5 Qc7 9.Nc6 Nc6 10.bc6+=; D) 7.Bb2 Qc7 (7...a6 8.Nf3 Qc7 9.c4 dc4 10.bc6+=; 7...e5 8.c4 Bd6 9.bc6 Nc6 10.cd5=; 7...Bb7 8.Nf3 a6 9.Bd3 Nc5 10.Be2=; 7...Nc5 8.Nf3 a6 9.Ne5 Qc7 10.f4=; 7...f6 8.Nf3 Bc5 9.d4 Bb4 10.c3=; 7...c5 8.Nf3 Nf6 9.a5 Nbd7 10.Bc3=; 7...h6 8.Nf3 a6 9.Be2 Bd6 10.Nc3=; 7...Qe7 8.Nc3 a6 9.Nf3 Qd6 10.Be2=) 8.Nf3 a6 9.c4 dc4 10.bc6+=.

6.Nf3 a6 A) 7.Be2 Bb4 (7...Bc5 8.0-0 0-0 9.Be5 Nfd7 10.Bb2=; 7...Bd7 8.Be5 ab5 9.ab5 Ra1 10.Ba1=; 7...Be7 8.0-0 0-0 9.Ne5 Qd6 10.f4=; 7...Bd6 8.0-0 0-0 9.Ne5 Bb7 10.f4=; 7...Bb7 8.0-0 Bd6 9.Ne5 0-0 10.f4=; 7...Qc7 8.Bd4 Nfd7 9.Bb2 Bd6 10.Ba3+=; 7...c5 8.Nc3 Be7 9.0-0 0-0 10.ba6=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.0-0=) 8.0-0 0-0 9.Bd4 Bd6 10.Nc3+=; B) 7.Bd3 Bd6 (7...Be7 8.0-0 0-0 9.Ne5 Bb7 10.Nc3=; 7...Bb7 8.Nc3 Bd6 9.e4 de4 10.Ne4=; 7...Bd7 8.Nc3 ab5 9.ab5 Ra1 10.Qa1=; 7...Bb4 8.0-0 0-0 9.Ne5 Bb7 10.Qf3=; 7...Bc5 8.Ne5 Qc7 9.Qf3 cb5 10.ab5=; 7...c5 8.Nc3 Be7 9.0-0 0-0 10.Be2=; 7...Qc7 8.0-0 Bd6 9.Bf6 gf6 10.Nc3=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Be5=) 8.0-0 0-0 9.Ne5 Bb7 10.f4=; C) 7.Be5 Nfd7 (7...Bb7 8.Nc3 Nbd7 9.bc6 Bc6 10.Bf4=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.bc6=; 7...Bd6 8.Nc3 0-0 9.Bd3 Be5 10.Ne5=; 7...c5 8.ba6 Ba6 9.Ba6 Na6 10.Nc3=; 7...Ne4 8.Be2 Bd6 9.Bd6 Qd6 10.bc6=; 7...Bd7 8.Nc3 Bb4 9.Rb1 Qe7 10.Bd3=; 7...Nbd7 8.bc6 Ne5 9.Ne5 Bd6 10.d4=) 8.Bb2 Qc7 9.c4 dc4 10.bc6+=; D) 7.h3 Bd6 (7...Bb7 8.Be2 Bd6 9.0-0 0-0 10.bc6+=; 7...Bd7 8.Be2 Bd6 9.0-0 0-0 10.Ne5=; 7...Be7 8.Be2 0-0 9.0-0 Bb7 10.Be5+=; 7...Bb4 8.Be2 0-0 9.0-0 Bd6 10.Ne5=; 7...Bc5 8.Ne5 Bb7 9.Bd3 Bd6 10.0-0=; 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Be5=; 7...c5 8.Na3 Be7 9.Be2 c4 10.0-0=; 7...Qc7 8.Be2 Bd6 9.Bf6 gf6 10.Nc3=) 8.Be2 0-0 9.0-0 Bb7 10.Ba3+=; E) 7.Bc3 Bb7 (7...Bd6 8.Be2 0-0 9.0-0 Ne4 10.Bb2+=; 7...Be7 8.Be2 0-0 9.0-0 Bd6 10.bc6+=; 7...Bc5 8.Be2 0-0 9.0-0 Bd6 10.bc6+=; 7...Bd7 8.Be2 Ne4 9.Be5 f6 10.Bb8=; 7...c5 8.a5 Be7 9.Be2 0-0 10.ab6+=; 7...Ne4 8.Be5 Nd7 9.Bb2 Bb7 10.Nc3=; 7...Qc7 8.Be2 Bd6 9.Bf6 gf6 10.Nc3+=; 7...Ra7 8.Bd3 Bd6 9.Ne5 Bb7 10.0-0=) 8.Be2 Bd6 9.0-0 0-0 10.Nd4+=; F) 7.Nc3 Bd6 8.Be2 0-0 9.0-0 e5 10.Nb1+=; G) 7.Ne5 Bb7 (7...Qc7 8.Be2 Bd6 9.f4 Nfd7 10.Nc6=; 7...c5 8.Na3 Bd6 9.ba6 Ba6 10.Bb5=; 7...Bd7 8.Qf3 Be7 9.Be2 0-0 10.0-0=; 7...Be7 8.bc6 Qd6 9.Ng4 Nc6 10.Nf6=; 7...Bd6 8.Nc6 Nc6 9.bc6 e5 10.c4=; 7...Qd6 8.Qf3 ab5 9.ab5 Ra1 10.Ba1=; 7...cb5 8.ab5 a5 9.Be2 Nbd7 10.f4=) 8.Be2 Bb4 9.0-0 0-0 10.f4=.

6.Nf3 Bb4 A) 7.Bd3 0-0 (7...a6 8.0-0 0-0 9.Ne5 Bb7 10.Qf3=; 7...Bb7 8.Bc3 Bd6 9.0-0 0-0 10.Be5=; 7...Bd6 8.0-0 a6 9.Ne5 Bb7 10.f4=; 7...Bd7 8.Ne5 a6 9.Qf3 Bd6 10.Nd7=; 7...a5 8.Ne5 Bb7 9.Qf3 0-0 10.0-0=; 7...c5 8.0-0 0-0 9.Ne5 c4 10.Be2=; 7...Qe7 8.Be5 0-0 9.Bb8 Rb8 10.Ne5=; 7...Be7 8.Ne5 Qc7 9.Ng4 Qd8 10.0-0=) 8.0-0 a6 9.Ne5 Bb7 10.Qf3=; B) 7.Be2 0-0 (7...a6 8.0-0 0-0 9.Ne5 Bb7 10.f4=; 7...Bd6 8.0-0 0-0 9.Be5 a6 10.Bd6=; 7...Bb7 8.Ba3 Ba3 9.Ra3 a6 10.0-0=; 7...Bd7 8.0-0 0-0 9.Ne5 Qc7 10.f4=; 7...cb5 8.ab5 0-0 9.0-0 Bd6 10.Ba3=; 7...Qe7 8.Be5 0-0 9.0-0 Nfd7 10.Bb2=) 8.0-0 a6 9.Bd4 Bd6 10.Nc3+=; C) 7.Be5 Bb7 (7...0-0 8.Bb8 Rb8 9.Ne5 Bb7 10.bc6=; 7...Bd7 8.Bd3 a6 9.0-0 0-0 10.Nc3=; 7...Nbd7 8.c3 Ne5 9.Ne5 Bd6 10.Nc6+=; 7...Bd6 8.a5 ba5 9.bc6 Be5 10.Ne5=; 7...a6 8.Bb8 Rb8 9.Ne5 Bb7 10.Nc6=; 7...Be7 8.Bb8 Rb8 9.Nd4 Bd7 10.bc6+=; 7...cb5 8.c3 Be7 9.ab5 Nbd7 10.d4=; 7...h6 8.Bb8 Rb8 9.Nd4 Bb7 10.bc6+=) 8.c3 Be7 9.d4 a6 10.Nbd2=; D) 7.Nc3 0-0 (7...a6 8.Be2 Bd6 9.0-0 0-0 10.Nb1=; 7...Bd6 8.a5 ba5 9.bc6 Nc6 10.Bb5=; 7...Bb7 8.Be2 0-0 9.0-0 a6 10.Na2=; 7...c5 8.Be2 0-0 9.Ne5 a6 10.0-0=; 7...Qc7 8.Na2 Bd6 9.Bf6 gf6 10.c4=; 7...Qe7 8.Ne5 Bb7 9.Bd3 0-0 10.0-0=; 7...Bd7 8.Bd3 a6 9.0-0 0-0 10.Ne5=; 7...Qd7 8.Ne5 Qc7 9.Ng4 Be7 10.a5=) 8.Be2 Bd6 9.Ba3 Ba3 10.Ra3+=; E) 7.Ba3 Ba3 (7...Ba5 8.Be2 c5 9.0-0 a6 10.d4=; 7...Bd6 8.Bd6 Qd6 9.d4 a6 10.Nbd2=; 7...Bc5 8.Bc5 bc5 9.Be2 a6 10.ba6=; 7...Be7 8.Be7 Qe7 9.d4 a6 10.Nbd2=) 8.Ra3 a6 9.d4 0-0 10.Bd3=; F) 7.Bc3 Be7 (7...Bc3 8.Nc3 0-0 9.Ne5 a6 10.Bd3=; 7...Bd6 8.Ne5 Bb7 9.a5 ba5 10.bc6=; 7...Bc5 8.Be5 a6 9.d4 Bb4 10.c3=; 7...a5 8.bc6 Nc6 9.Bb5 Bd7 10.Bb4=; 7...c5 8.Bb4 cb4 9.d4 0-0 10.Bd3=; 7...Bf8 8.a5 a6 9.ab6 Qb6 10.ba6=; 7...Qe7 8.Bb4 Qb4 9.Nc3 0-0 10.Be2=; 7...Qd6 8.Be5 Qd8 9.Bb8 Rb8 10.Ne5=) 8.Ne5 0-0 9.Bd3 Qc7 10.0-0=; G) 7.Ne5 Bb7 (7...c5 8.Qf3 a6 9.c3 Ba5 10.Nc4=; 7...0-0 8.Nc6 Nc6 9.bc6 Be7 10.Be5=; 7...Bd7 8.Qf3 Be7 9.Be2 0-0 10.Nc3=) 8.Bd3 a6 9.Qe2 ab5 10.ab5=.

6.Nf3 Bb7 7.Be2 a6 8.c4 dc4 9.Bc4 Bb4 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Bd6 13.d3 c5 14.e4 Be7 (14...Bf4 15.Qc2=) 15.Qa4 (15.Qc2 0-0+=) 15...Nbd7= 16.Nbd2 h6 17.h3 Rg8 18.Bb2 g5 19.Nh2 h5 20.f3 (20.Qc2 g4 21.h4 g3 22.fg3 Bd6=) 20...Qc7 21.Rf2 Bd6 (21...g4 22.fg4 hg4 23.hg4+=) 22.Ndf1 (22.Nhf1 Be5 23.Be5 Qe5=) 22...Ke7 23.Qd1 Be5 24.Be5 Ne5 25.Ne3 Ng6 (25...Rd8 26.Qf1+=) 26.Nhf1 Nf4 27.Kh1 Qe5 28.Ra2 g4 29.h4 gf3 30.Qf3 Ne4 (better is 30...Ra8!? 31.Ra8 Ba8=) 31.Ra7+/- Nd6 32.Rb7 Nb7 33.Qb7 Kf6 34.Qf3 (34.Qb6!? Ne2 35.Qc6+/-) 34...Kg7+= 35.Qb7 (better is 35.Ng3 Rh8 36.Ne4+=) 35...Kh6 (better is 35...Qf6 36.g3 Ne2=) 36.Qf7+- Rg7 37.Qf8 Ne2?? (better is 37...Kh7+/-) 38.Qh8 (better is 38.Be6 Nd4 39.Bf5 Qe7 40.Qh8 Rh7 41.Bh7 Qh7+-) 38...Kg6 39.Qe8 Kh7 (39...Kf6 40.Qd8 Kg6 41.d4 Ng3 42.Ng3 Qe3 43.Kh2 cd4 44.Qe8 Kh7 45.Qh5 Kg8 46.Nf5+-) 40.Qe6 (40.Be6 Ng3 41.Ng3 Qa1 42.Kh2+-) 40...Ng3 (40...Qe6 41.Be6 Nd4 42.Bc4+-) 41.Ng3 Qg3 (41...Qe6 42.Be6 Rg3 43.Bf5 Kh6+-) 42.Qe4 Kh8 (42...Qg6 43.Qe5 Ra7 44.Bd5+-) 43.Nf5 (43.Qe8 Rg8 44.Qh5 Kg7 45.Nf5 Kf6 46.Qf7 Ke5 47.Qe6 Kf4 48.Qe4) 43...Qg6+- 44.Ng7 (44.Bd5 Kh7 45.Qe5 Rf7+-) 44...Qg7 (44...Qe4 45.de4 Kg7 46.e5+-) 45.Qe8 (45.Qe8 Kh7 46.d4+-) 1–0. Mauron,Regis – Branson,James (1745), Montigny le Bretonneux Noel op, 2008.

6.Nf3 c5 7.a5 Nbd7 8.Be2 e5 (better is 8...ba5!? 9.Bc3 Bd6 10.Ba5 Qe7=) 9.Ne5+/- Ne5 10.Be5 Be7 (10...ba5 11.Nc3 Be7 12.0-0+/-) 11.ab6+- Qb6 12.0-0 0-0 13.c4 d4 (13...Qe6 14.Bf6 Bf6 15.cd5 Qd5 16.Bf3+-) 14.ed4+- cd4 15.Bf3 Bb7 16.Bb7 Qb7 17.Bd4 Rfd8 (17...Qe4 18.Bf6 Bf6 19.Ra4+-) 18.Be5 (18.Be3 Ne4+-) 18...Ne4 (18...Nd7 19.Bc3+-) 19.Qf3 f6 (19...Bd6 20.Bd6 Nd6 21.Qb7 Nb7 22.Ra2+-) 20.Nc3 fe5 21.Ne4 Qb6 (21...Rab8 22.Qf5 Qc7 23.Ra4+-) 22.Qg3 (better is 22.Qf5 Qd4 23.Qe6 Kf8+-) 22...Rf8 (22...Qd4 23.d3! Rac8+-) 23.Qe5 Rae8 24.Qd5 Kh8 25.Ra6 Qc7 (25...Rd8 26.Rb6 Rd5 27.Rb7+-) 26.Rfa1 Qf4 27.g3 Qf3 28.Ra7 Rd8 (28...Bd8 29.Qd4 Qg4 30.Re1+-) 29.Qe5 Bf6 30.Nf6 Qf6 (30...Rf6 31.Qe3 Qf5+-) 31.Qf5 (better is 31.Qf6 gf6 32.b6+-) 31...Qf5–+ 32.f4 Rd2 33.Ra8 Qc5 34.Kh1 h6 (34...Qe7 35.Rf8 Qf8 36.h3 Qe8 37.Kg1 Qe4 38.Ra8 Qa8 39.b6 Qg2) 35.Rf8 Qf8 36.b6 (36.Kg1 Qc5 37.Kh1 Qf2 38.Ra8 Kh7 39.Rh8 Kh8 40.b6 Qh2) 36...Rd8 (36...Qe8 37.Kg1 Qe3 38.Kh1 Qe4 39.Kg1 Qg2) 37.b7 Qc5 (37...Qe7 38.b8Q Rb8 39.Re1 Qe1 40.Kg2 Rb2 41.Kh3 Qd1 42.g4 Qd3 43.Kh4 Rh2) 38.Ra8 Qc6 39.Kg1 Ra8 (39...Ra8 40.ba8B Qa8–+) 0–1. DEFFM – GuestYWXX, freechess.org, 2018.

6.Nf3 c5 7.c4 a5 8.Be2 Bd6 9.0-0 Bb7 (9...0-0 10.d4=) 10.d4 Nbd7 11.Nbd2 (11.cd5 Bd5 12.Nc3 Bb7=) 11...Qc7 (11...0-0 12.cd5 Bd5 13.Nc4=) 12.Rc1 0-0-0 (12...Rd8!?+=) 13.cd5+- ed5 (13...Bd5!? 14.Nc4 Be7+-) 14.dc5+- Nc5 15.Nb3 Nfe4 (15...Kb8 16.Bd3+-) 16.Nbd4 (16.Nc5 bc5 17.Bg7 Rhg8+-) 16...g5 (16...Kb8 17.Nf5 f6 18.Nd6 Qd6 19.Nd4+-) 17.g3 (17.Nc6 Bc6 18.Bh8 g4+-) 17...h5? (better 17...Rhe8!?+-) 18.Nc6+- Rdg8 (18...h4 19.Nd8 Rd8+-) 19.Bh8 Rh8 20.Qd5 g4 21.Nfd4 h4 (21...Qd7+-) 22.Bg4 (22.Bg4 Nd7 23.Qf7+-) 1–0. GuestPHTQ – GuestPSTK, freechess.org, 2019.

6.Nf3 Bc5 A) 7.Be5 a6 (7...0-0 8.d4 Bb4 9.c3 Bd6 10.Bd3=; 7...Bb7 8.a5 ba5 9.d4 Bb4 10.c3=; 7...Bd6 8.a5 ba5 9.bc6 Be5 10.Ne5=; 7...Bb4 8.Bb8 Rb8 9.Nd4 Bb7 10.bc6+=; 7...Bd7 8.Be2 a6 9.d4 Be7 10.Nbd2=; 7...Nbd7 8.d4 Ne5 9.Ne5 Qc7 10.Nc6=; 7...Qe7 8.d4 Bd6 9.Bd3 a6 10.Nbd2+=) 8.Nc3 Bb7 9.Be2 0-0 10.0-0=; B) 7.Be2 a6 (7...0-0 8.Ne5 Bb7 9.0-0 a6 10.d4=; 7...Bd6 8.0-0 0-0 9.Bd4 Nfd7 10.Bb2=; 7...Bb7 8.Ba3 Ba3 9.Na3 a6 10.0-0=; 7...cb5 8.ab5 0-0 9.0-0 Bd6 10.Be5=; 7...Bd7 8.Be5 a6 9.d4 Be7 10.ba6=; 7...a5 8.Be5 0-0 9.d4 Bb4 10.c3=; 7...Qc7 8.0-0 a6 9.c4 dc4 10.Bc4=; 7...Be7 8.0-0 a6 9.Be5 Bb7 10.Nc3=) 8.0-0 0-0 9.Be5 Nfd7 10.Bb2=; C) 7.Bd3 a6 (7...0-0 8.Ne5 Bb7 9.0-0 Bd6 10.f4=; 7...Bd6 8.0-0 a6 9.Ne5 Bb7 10.f4=; 7...Bb7 8.0-0 0-0 9.Ne5 Bd6 10.f4=; 7...Bd7 8.0-0 a6 9.Ne5 0-0 10.Nd7=; 7...Be7 8.0-0 a6 9.Be5 Bb7 10.Nc3=; 7...a5 8.Ne5 Bb7 9.Qf3 0-0 10.0-0=; 7...Qc7 8.a5 Nbd7 9.bc6 Qc6 10.Ne5=; 7...Bb4 8.Ne5 Bb7 9.0-0 a6 10.bc6=) 8.Ne5 Qc7 9.Qf3 cb5 10.Qg3=; D) 7.a5 cb5 (7...0-0 8.ab6 Bb6 9.Ne5 Bb7 10.Na3=; 7...ba5 8.Ne5 Qb6 9.Nc3 Bd6 10.f4=; 7...a6 8.ab6 0-0 9.ba6 Bb6 10.Ne5=; 7...Bd7 8.ab6 Bb6 9.Na3 Bc5 10.Ne5=; 7...Bb7 8.a6 Bc8 9.Ne5 cb5 10.Bb5=; 7...Bd6 8.ab6 Qb6 9.Bd4 c5 10.Bf6=; 7...Be7 8.Ne5 cb5 9.Bb5 Bd7 10.Nd7=) 8.Bb5 Bd7 9.Be2 ba5 10.d4=; E) 7.bc6 Nc6 8.Bb5 Bd7 9.Ne5 Ne5 10.Be5=; F) 7.d4 Bd6 (7...Bb4 8.Nbd2 a6 9.Bd3 0-0 10.0-0=; 7...Be7 8.Bd3 a6 9.0-0 ab5 10.ab5=; 7...Bf8 8.Bd3 Bb4 9.c3 Bd6 10.Ba3=) 8.Bd3 a6 9.Ba3 c5 10.dc5=; G) 7.Ne5 Bb7 (7...cb5 8.ab5 0-0 9.Bd3 a5 10.0-0=; 7...Qc7 8.Nc6 Nc6 9.Bf6 gf6 10.bc6=; 7...0-0 8.Nc6 Nc6 9.bc6 Bd6 10.c4+=; 7...Bd7 8.Nd7 Qd7 9.Bf6 gf6 10.Qg4+=; 7...Bd6 8.Nc6 Nc6 9.bc6 Qc7 10.Bf6+=; 7...Be7 8.a5 cb5 9.Bb5 Bd7 10.Nd7+=) 8.Bd3 0-0 9.0-0 Bd6 10.f4=.

6.Nf3 Bd7 7.Nc3 (7.Be5 a6=) 7...Bd6 8.Be2 (8.bc6 Nc6 9.Nb5 Bb8=) 8...0-0 (8...e5 9.Ba3 Ba3 10.Ra3=) 9.0-0 (9.Ba3 Ba3 10.Ra3 a6 11.ba6 Na6=) 9...a6+= 10.d4 cb5 (10...Qc7!?+=) 11.ab5+=. mic (2115) – bmurtinho (1955), net–chess.com, 2008.

6.Nf3 Be7 A) 7.Ne5 c5 (7...Bb7 8.Be2 0-0 9.0-0 a6 10.Nc3=; 7...a6 8.bc6 Qd6 9.Ng4 Nc6 10.Nf6=; 7...Qc7 8.Ng4 a6 9.Be5 Qb7 10.Bd3=; 7...Bd7 8.Bd3 a6 9.0-0 0-0 10.Nc3=; 7...0-0 8.Bd3 Bb7 9.0-0 a6 10.Nc3=; 7...cb5 8.ab5 0-0 9.Bd3 a5 10.0-0=; 7...Qd6 8.a5 ba5 9.bc6 Nc6 10.Bb5=; 7...Bd6 8.Nc6 Nc6 9.bc6 e5 10.Na3=) 8.Be2 0-0 9.0-0 a6 10.d4=; B) 7.Be2 0-0 (7...a6 8.0-0 0-0 9.Na3 Bb7 10.d3=; 7...Bb7 8.Nc3 0-0 9.0-0 c5 10.d3=; 7...Bd6 8.Ne5 Bb7 9.0-0 a6 10.f4=; 7...Bd7 8.0-0 a6 9.Ne5 0-0 10.Nc3=; 7...c5 8.0-0 0-0 9.Nc3 Bd6 10.d4=; 7...cb5 8.ab5 0-0 9.0-0 a5 10.ba6=; 7...a5 8.0-0 0-0 9.Na3 c5 10.Rc1=; 7...Bc5 8.Ne5 a6 9.bc6 Qc7 10.c4=) 8.0-0 a6 9.Be5 Nfd7 10.Bb2=; C) 7.Be5 c5 (7...Bb7 8.Be2 0-0 9.0-0 c5 10.Bb8=; 7...Bd7 8.Be2 Ne4 9.d3 Nd6 10.c4=; 7...0-0 8.Bb8 Rb8 9.Ne5 Bb7 10.bc6+=; 7...Nbd7 8.bc6 Ne5 9.Ne5 Bd6 10.f4=; 7...cb5 8.ab5 Nbd7 9.d4 Ne5 10.Ne5=; 7...Bd6 8.a5 ba5 9.Nc3 0-0 10.Bd6=) 8.Be2 Nbd7 9.Bb2 Bd6 10.0-0+=; D) 7.Nc3 Bd6 (7...a6 8.Bd3 0-0 9.Ne5 Qd6 10.f4+=; 7...0-0 8.Be2 Bd6 9.a5 ba5 10.bc6=; 7...Qc7 8.a5 ba5 9.Na4 Nbd7 10.bc6=; 7...Bb7 8.Be2 0-0 9.0-0 a6 10.Ne5=; 7...Qd6 8.a5 ba5 9.Ba3 c5 10.d4=; 7...c5 8.Be2 0-0 9.d3 Nbd7 10.d4=; 7...Bb4 8.Ne5 Bb7 9.Bd3 a6 10.0-0=; 7...Bd7 8.Ne5 a6 9.Be2 0-0 10.0-0=) 8.bc6 a6 9.Be2 Nc6 10.0-0+=; E) 7.Na3 a6 (7...0-0 8.Be2 a6 9.0-0 Bb7 10.d3=; 7...Bd6 8.a5 ba5 9.bc6 Nc6 10.Nb5+=; 7...cb5 8.ab5 0-0 9.Be2 Nbd7 10.0-0=; 7...Bb7 8.Be2 0-0 9.0-0 a6 10.Ne5=; 7...Bd7 8.Be2 0-0 9.0-0 a6 10.Ne5=; 7...c5 8.Be2 0-0 9.0-0 a6 10.ba6=; 7...Bb4 8.Ne5 Bb7 9.Bd3 Qe7 10.0-0=; 7...a5 8.Be2 0-0 9.0-0 c5 10.c4=) 8.Be2 0-0 9.0-0 Bb7 10.Ne5+=; F) 7.d4 Bd7 (7...0-0 8.Bd3 a6 9.Ba3 c5 10.dc5=; 7...Bb4 8.Nbd2 a6 9.Bd3 0-0 10.0-0=; 7...a6 8.Bd3 0-0 9.Ba3 c5 10.dc5=; 7...Qc7 8.Bd3 a6 9.Ba3 c5 10.dc5=; 7...Bd6 8.Bd3 a6 9.Ba3 c5 10.dc5=; 7...Ne4 8.Bd3 a6 9.0-0 0-0 10.c4=; 7...Bb7 8.Bd3 a6 9.0-0 0-0 10.bc6=; 7...Nfd7 8.Bd3 0-0 9.0-0 a6 10.Nbd2=) 8.Bd3 a6 9.Ba3 c5 10.c3=; G) 7.Bd3 c5 (7...0-0 8.0-0 a6 9.Ne5 Bb7 10.f4=; 7...a6 8.0-0 0-0 9.Ne5 Qc7 10.f4=; 7...Bb7 8.0-0 0-0 9.Nc3 a6 10.Ne5=; 7...Bd6 8.0-0 a6 9.Ne5 Bb7 10.f4=; 7...Bd7 8.0-0 0-0 9.Ne5 Qc7 10.Qe2=) 8.0-0 0-0 9.Ne5 a6 10.Nc3=.

7.a5 ba5 (7...a6 8.ab6 Qb6 9.Bf6 gf6 10.Nc3=; 7...Bd7 8.Bf6 gf6 9.bc6 Nc6 10.ab6=; 7...c5 8.ab6 Qb6 9.c4 Nbd7 10.d4=; 7...cb5 8.Bb5 Bd7 9.ab6 Qb6 10.Bf6=; 7...Bb7 8.a6 Bc8 9.Ne5 cb5 10.Bb5=; 7...Qc7 8.ab6 Qb6 9.Bd4 c5 10.Bf6=) 8.Ne5 (8.Be5 a6 9.Bd6 Qd6 10.bc6+=) 8...Qb6+= 9.Ng4 Nbd7 10.Nf6+=.

7.Nc3 e5 (7...a6 8.Be2 0-0 9.0-0 e5 10.d4+=) 8.bc6 a6 9.d4 e4 10.Ne5+=.

7.c4 0-0 8.Nc3+= a6 9.cd5 ed5 10.Be2=.

7.c4 a5 8.bc6 Nc6 9.cd5 ed5 10.Bb5=.

7.c4 a6 8.cd5 ed5 9.Nc3 0-0 10.Be2=.

7.c4 dc4 8.Na3 0-0 9.Nc4 Be7 10.Qc2=.

7.Bd3 Bb7 (7...a6 8.Ne5 c5 9.0-0 0-0 10.f4=; 7...0-0 8.Be5 a6 9.Nc3 Be5 10.Ne5=; 7...c5 8.0-0 a6 9.Na3 0-0 10.c4=; 7...a5 8.0-0 0-0 9.Na3 c5 10.c4=; 7...Qe7 8.Ne5 Bb7 9.0-0 0-0 10.f4=; 7...cb5 8.ab5 Nbd7 9.0-0 0-0 10.Nc3=; 7...Bd7 8.0-0 a6 9.Ne5 ab5 10.ab5=; 7...Qc7 8.Bf6 gf6 9.Nc3 a6 10.e4=) 8.Be5 a6 9.Nc3 Be5 10.Ne5=.

7.Nd4 Bb7 (7...Bd7 8.f4 a6 9.Be2 0-0 10.0-0=; 7...c5 8.Nf3 Nbd7 9.Be2 0-0 10.0-0+=; 7...cb5 8.Nb5 e5 9.a5 ba5 10.d4=; 7...e5 8.Nc6 Nc6 9.bc6 Qc7 10.f4=; 7...0-0 8.Nc6 Nc6 9.bc6 e5 10.Bb5=; 7...Qc7 8.Nc6 Nc6 9.Bf6 gf6 10.bc6=) 8.a5 ba5 9.bc6 Nc6 10.Bb5+=.

7.Be2 Bb7 (7...a6 8.0-0 0-0 9.Ne5 Bb7 10.f4=; 7...0-0 8.0-0 a6 9.Ne5 Bb7 10.f4=; 7...cb5 8.ab5 0-0 9.0-0 a5 10.ba6=; 7...Bd7 8.Be5 Be5 9.Ne5 a6 10.Nc3=; 7...c5 8.0-0 0-0 9.Na3 Nbd7 10.d3=; 7...Qe7 8.0-0 0-0 9.Be5 a6 10.Bd6=; 7...a5 8.Na3 c5 9.c4 Bb7 10.0-0=; 7...Qc7 8.Bf6 gf6 9.c4 cb5 10.cd5=) 8.0-0 0-0 9.Be5 a6 10.Bd6+=.

7.Be5 0-0 (7...a6 8.Nc3 0-0 9.Bd3 Be5 10.Ne5=; 7...Be5 8.Ne5 a6 9.Nc3 Qd6 10.f4=; 7...c5 8.Be2 a6 9.0-0 0-0 10.d4=; 7...Qc7 8.Bd6 Qd6 9.d4 a6 10.Nbd2=; 7...Bb7 8.d4 a6 9.Nbd2 c5 10.a5=; 7...Bc7 8.d4 0-0 9.Bd3 a6 10.Nbd2=) 8.d4 Ne4 9.Nbd2 Bb4 10.c4+=.

7.Ne5 0-0 (7...Bb7 8.Be2 0-0 9.0-0 a6 10.f4=; 7...Qc7 8.Nc6 Nc6 9.Bf6 gf6 10.bc6=; 7...c5 8.Qf3 Be5 9.Be5 Nbd7 10.Bb2=; 7...cb5 8.Bb5 Bd7 9.Ng4 Be7 10.Qf3=; 7...Be5 8.Be5 Nbd7 9.Bg3 c5 10.Nc3=; 7...a6 8.Nc6 Nc6 9.bc6 e5 10.c4=; 7...Bd7 8.Nd7 Qd7 9.Qf3 Be7 10.Be2=; 7...Ne4 8.Nc6 Nc6 9.bc6 0-0 10.Qh5=) 8.Nc6 Nc6 9.bc6 e5 10.Bb5=.

6.Nf3 Bd7 7.Nc3 (7.Be5 a6=) 7...Bd6 8.Be2 (8.bc6 Nc6 9.Nb5 Bb8=) 8...0-0 (8...e5 9.Ba3 Ba3 10.Ra3=) 9.0-0 (9.Ba3 Ba3 10.Ra3 a6 11.ba6 Na6=) 9...a6+= 10.d4 cb5 (10...Qc7!?+=) 11.ab5+=. mic (2115) – bmurtinho (1955), net–chess.com, 2008.

8.Nc3 Nbd7 9.bc6 Bc6 10.cd5 Bd5 (10...Nd5 11.Nd5 Bd5 12.Bg7 Rg8+= 13.Bc3+=) 11.Nd5 ed5 12.Bb5 0-0 13.Bd7=.

8.Nc3 Nbd7 9.cd5 cd5 A) 10.Be2 0-0 11.Rc1 Rc8 12.d4 Ne4 13.0-0=; B) 10.Rc1 Qe7 (10...0-0 11.d4 a6 12.Bd3 Qe7 13.Qb3=) 11.d4 0-0 12.Bd3 Rfc8 13.0-0=; C) 10.Ba3 Ba3 11.Ra3 Qe7 12.Qb3 0-0 13.d4=; D) 10.d4 e5 (10...Qe7 11.Bd3 0-0 12.0-0 Rfc8 13.Qe2=; 10...0-0 11.Bd3 Rc8 12.0-0 Ne4 13.Rc1=) 11.de5 Ne5 12.Be2 Nc4 13.Qb3=.

8.Nc3 Nbd7 9.Be2 0-0 A) 10.0-0 dc4 (10...cb5 11.cb5 e5 12.d4 e4 13.Nh4=; 10...e5 11.d4 e4 12.Nd2 a6 13.bc6=) 11.Bc4 Ng4 12.Be2 a6 13.Ne4=; B) 10.cd5 Nd5 (10...cd5 11.Rc1 e5 12.d4 e4 13.Nh4=) 11.Nd5 cd5 12.0-0 Rc8 13.d4=.

8.Nc3 Nbd7 9.Be2 cb5 10.cb5 (10.cd5 ba4 (10...Nd5 11.ab5 0-0 12.Ne4 Be7 13.Ng3=; 10...Bd5 11.Nd5 Nd5 12.ab5 0-0 13.0-0+=) 11.de6 fe6 12.d4 Bc6 13.Bb5=) 10...Rc8 (10...0-0 11.Rc1 a6 12.0-0 e5 13.ba6=; 10...a6 11.ba6 Ba6 12.Nb5 Bb5 13.Bb5=; 10...Ne4 11.Rc1 0-0 12.0-0 a6 13.ba6=; 10...Nc5 11.0-0 0-0 12.d4 Nce4 13.Ne4=; 10...Qb8 11.d4 0-0 12.Rc1 a6 13.0-0=; 10...e5 11.d4 e4 12.Nh4 Bb4 13.Qb3+=) 11.d4 Bb4 (better is 11...Ne4 12.Qb3 (12.Rc1 0-0= 13.0-0=) 12...Ndf6 13.0-0=) 12.Qd3?? (better is 12.Qb3 A) 12...Ba5 13.Rc1+= (13.0-0+=); B) 12...Bd6 13.0-0+=; 12.Rc1 0-0 13.0-0=) 12...Ne4–+ 13.Rc1 0-0?? (better is 13...Qc7–+) 14.0-0= Ndf6 15.Rc2 Qe7 16.Rfc1 Nc3 17.Bc3 Ba3 18.Rb1 Ne4 19.Bb2 Bd6 20.Rbc1 f5 21.Rc8 Bc8 (21...Rc8 22.Rc8 Bc8 23.Qc2=) 22.Qb3 f4 (22...Bb7 23.Rc2=) 23.Bd3 (23.ef4!? Bf4 24.Ba3+=) 23...fe3= 24.fe3 Rf3 25.Rc8 (25.gf3?? Qg5 26.Kf1 Nd2 27.Kf2 Qh4 28.Ke2 Qh2 29.Kd1 Nb3 30.Rc8 Kf7–+) 25...Kf7 26.Be4 (26.gf3?? Qg5 27.Kf1 Nd2 28.Kf2 Qh4 29.Ke2 Nb3–+) 26...Bh2 27.Kh2 Qh4 28.Kg1 ½–½. Trkn – goldenbeauty, itsyourturn.com, 2000.

8.Nc3 Nbd7 9.Be2 dc4 A) 10.Rc1 0-0 (10...a6 11.bc6 Bc6 12.Bc4 Bf3 13.gf3=; 10...c5 11.Bc4 Bf3 12.Qf3 Ne5 13.Qe2=; 10...Rc8 11.Bc4 0-0 12.bc6 Bc6 13.Nb5=; 10...e5 11.Bc4 0-0 12.0-0 a6 13.bc6=) 11.Bc4 Rc8 12.bc6 Bc6 13.Nb5=; B) 10.Bc4 0-0 (10...a6 11.bc6 Bc6 12.d4 0-0 13.Rc1=; 10...Rc8 11.d3 0-0 12.0-0 Ne5 13.Ne5=; 10...cb5 11.ab5 0-0 12.d4 Qc7 13.Bd3=; 10...Qe7 11.0-0 0-0 12.d4 Rac8 13.Qe2=) 11.d3 a6 12.0-0 Qc7 13.ba6=; C) 10.a5 ba5 (10...a6 11.ba6 Ra6 12.ab6 Nb6 13.Ra6+=; 10...Rc8) 11.Bc4 Rb8 12.0-0 a6 13.ba6+=; D) 10.bc6 Bc6 11.Bc4 Ne5 12.Bb5 Rc8 13.Ne5=.

8.cd5 cd5 9.Ba3 a6 10.d4=.

6.Bd4 Qa5 7.Bc3 Qb6 (7...Qc7 8.Bf6 gf6 9.Nc3=) 8.Na3 (8.Nf3 Nbd7=) 8...Ne4+= 9.Bd4 Qa5 10.bc6 (10.Bd3 c5 (10...Qa4? 11.Nc4 Qb4 12.Nb6+-) 11.Bb2 Qb4= (worse is 11...Qa4 12.Nc4 Qb4 13.Ba3 Qb5 14.Nd6 Nd6 15.Bb5 Nb5 16.Bb2+/-)) 10...Nc6+= 11.c3? (better is 11.Bb5!?+=) 11...Nd4 (better is 11...e5!? 12.Be5 Ne5 13.Bb5 Kd8 14.f4–+) 12.ed4 (12.cd4 Nd2! 13.Bb5 Bd7 14.Bd7 Kd7–+) 12...Nc3 13.Bb5 (13.dc3 Qc3 A double attack) 13...Nb5 14.Nb5 Bd7 15.Rb1 Bb4 (15...Rc8 16.Nc3 Bb4 17.Nge2–+) 16.Nf3 (16.Nc7 Qc7 17.Rb4–+) 16...Bb5 17.ab5 Qb5 18.Qb3 (18.Ne5 Rc8–+) 18...a5 19.Ne5 0-0 20.Nd3 Rfc8 (20...Qc4 21.Ke2 Qd4 22.Nb4 ab4 23.Qb4 Qe5 24.Kd1–+) 21.Nb4 ab4 22.d3 Ra3 (better is 22...Qa4 23.Kd2 Qd7–+) 23.Qb2?? (23.Qa3 ba3 24.Rb5 Rc1 25.Ke2 Rh1 26.Ra5–+) 23...Qd3 24.Qb4 (24.Qb4 Rc2 25.Qf8 Kf8 26.Rb7 Qe2; 24.Rd1 Qe4 25.Qe2 Qg2 26.Rf1–+) time 0–1. Nautiluschess – stefaan, ICS blitz, 2001.

6.Bd4 Qc7 7.Bf6 gf6 8.Nc3=.

6.Nf3 Bb4 7.Bd4 Qd8 8.Be2=.

6.Nf3 c5 7.c4 (7.Bf6 gf6 8.Nc3 Qa5=) 7...a6 (7...Be7 8.a5 Qd8 9.Be2+=) 8.Be2 (8.Bf6 gf6 9.cd5 ed5+=) 8...ab5= 9.ab5 Ra1 10.Ba1 Bd7 (10...Be7 11.d4=) 11.0-0 (11.Bf6 gf6 12.cd5 ed5+=) 11...dc4 (11...Be7 12.Qc2+=) 12.Be5 Bd6 13.Bf6 gf6 14.Na3 Be7 (14...Bb5? 15.Qb1 0-0 16.Nb5+-) 15.Nc4 Qd8 16.Qb3 b6 (16...e5 17.Rd1+=) 17.Ra1 0-0 18.Ra7 Qe8? (better is 18...e5+/-) 19.Nb6+- 1–0. DEFFM – GuestZXBJ, freechess.org, 2018.

6.c4 a6 7.Nf3 Bd7 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 b6 (10...Bd6!?=) 11.Qa7+- Bd6 (11...Ne4 12.cd5 Nc3 13.Bc3+- (worse 13.dc3 ed5 14.c4 Be6+-)) 12.Na4 Qc7 (12...Bc7!?+-) 13.Qb6+- Qb6 14.Nb6 Bc7 15.Na4 0-0? (15...dc4 16.Bc4 Bd6+-) 16.Bf6 gf6 17.cd5 ed5 18.Nc5 Bb6 (18...Rc8 19.d4+-) 19.Nd7 (19.d4 Bg4+-) 19...Nd7 20.Bd3 Ne5 21.Ke2 Nf3 (21...Ra8 22.Rc1+-) 22.Kf3 Kh8 23.Ra1 Kg7 24.Ra6 Rb8 25.Bf5 d4 26.g3 de3 (26...Bc5 27.Bd7+-) 27.fe3 Bc5 (27...Bc7 28.Bd3+-) 28.d4 Bb6 29.Bd3 Bd8 30.d5 Rb7 (30...h6 31.d6+-) 31.Ke4 Kg6 (31...Bb6 32.d6 f5 33.Kd5 Be3 34.Kc6+-) 32.d6 Kg5 33.Kd5 Kg4 (33...Rb8+-) 34.Ra8 Bb6 (34...Be7 35.Kc6 Bd6 36.Kb7+-) 35.Kc6 Ra7 36.Rg8 (better 36.Ra7 Ba7 37.d7 Kh3+-) 36...Kh3 37.Kb6 Ra3 38.Bf5 Kh2 39.d7 Rd3 1–0. DEFFM – GuestVRSN, freechess.org, 2018.

6.c4 b6 7.a5 Nbd7 8.Nf3 Bd6 9.ab6 Nb6 10.Be2 0-0 11.Na3 Bb7 12.0-0 Qc7 (12...a5 13.d3=) 13.Bf6+= gf6 14.h3 (14.Qc2 d4+=) 14...Kh8 (14...e5 15.Nh4=) 15.Qc2 Rg8 16.d3 (16.cd5 Qd7 17.Kh1 ed5+=) 16...Rg7 17.Kh1 Rag8 18.Rg1 (better 18.g4=+) 18...e5 (better 18...dc4 19.e4 cd3 20.Bd3 f5-/+) 19.Nh4+= Bc8 20.Bf3 f5 21.cd5 (21.Bd5 Qe7 22.Nf3 Nd5 23.cd5 e4+-) 21...Qe7 22.g3 f4 23.Bg4 fg3 24.fg3 Nd5 (better 24...Bg4!? 25.hg4 Rg4=) 25.Bc8+- Rc8 26.e4 (26.Nf5 Qd7 27.g4 Rg6+=) 26...Nb4+= 27.Qc3 Qe6 (27...Qd7 28.Kg2+=) 28.Nf5+- Rg6 29.Nc4 (29.Nc4 Bb8 30.Raf1+-) 1-0. GuestLLHG – GuestWYFX, freechess.org, 2020.

6.c4 b6 7.Nf3 Nbd7 8.cd5 ed5 9.Be2 Bb7 (9...Bd6 10.0-0=) 10.0-0 Bd6 11.Qc2 c4 (11...0-0 12.Rc1=) 12.Bd4 (12.d3 cd3 13.Bd3 Rc8+=) 12...0-0 (12...Nc5 13.d3 Nb3 14.Ra2=) 13.Nc3 (13.d3 Rc8+=) 13...Nc5= 14.Bc5 (14.d3 Nb3=) 14...Bc5 (14...bc5 15.d3 cd3 16.Qd3=) 15.a5 (15.d3 Bd6+=) 15...Re8 (15...ba5 16.d3=) 16.a6 Bc8 17.Nd1 (17.Rad1 Qd6=) 17...Bg4=+ 18.h3 Bf3 (18...Bh5 19.d3 cd3 20.Qd3=+) 19.Bf3= Qe7 20.Nc3 Qe5 21.Rfe1 (21.Rfd1 Rac8 22.d4 cd3 23.Qd3 Be3 24.Nd5 Bf4+=) 21...Bd6 (21...Rac8 22.Ne2=+) 22.g3 (better 22.d4 cd3 23.Qd3 Qh2 24.Kf1=) 22...Nh5?? (22...Rac8!?=) 23.Kg2 (23.Nd5 Rac8+-) 23...g6? (23...Nf6 24.d4 cd3 25.Qd3+=) 24.Ne2?? (24.Bd5!? Ng3 25.f4 Qf5+-) 24...Ng7 (better 24...Rac8!?+=) 25.d4+- cd3 26.Qd3 Ne6 (26...Rad8 27.Nd4 Rd7 28.Nc6+-) 27.Qd5+- Qd5 28.Bd5 Rad8 29.Be6 (29.Red1 Be5 30.Rac1 Nc5+-) 29...Re6 (29...fe6 30.Nd4 Be5+-) 30.Nd4 Rf6 31.Nc6 Rc8 (31...Rd7 32.Rad1 Rc7 33.Rd5+-) 32.Rad1 (32.Na7 Ra8 33.Nc6 Kf8+-) 32...Bc5 (32...Kg7 33.Na7 Rc2+-) 33.Rd8 (better 33.Na7 Ra8 34.Nc6+-) 33...Rd8 34.Nd8 Bb4? (better 34...Rd6 35.Nb7 Rd7+-) 35.Rd1 (better 35.Rb1 Bc3 36.Nc6 Re6+-) 35...Kg7 (35...Rf5 36.Nc6 Rb5 37.Na7 Ra5+-) 36.Nc6 Rf5 (36...Re6+-) 37.Na7 Bc5 (37...Be1 38.Re1 Re5 39.Nc6+-) 38.Nc6 Bd6 (38...Be3 39.fe3 Rb5+-) 39.a7 (39.a7 Bc5 40.a8Q+-) 1-0. afsharian – Abdouch, lichess.org, 2018.

6.c4 b6 7.Nf3 Be7 8.Bd3 Bb7 9.0-0 dc4 (9...0-0 10.cd5 Qd5 11.Be2=) 10.Bc4 0-0 11.d4 Nd5 (11...Nbd7 12.Qe2=) 12.e4 Nf6 13.e5 Nd5 14.Nbd2 cd4 15.Nd4 Bc5 (15...Nd7 16.Nc6 Bc6 17.bc6=+) 16.Qg4+= Bd4 (16...h5 17.Qe4 (17.Qh5? Nf4 18.Qg4 Bd4–+) 17...Qd7 18.N2b3+=) 17.Bd4+- Nd7 18.Ne4 Nc5 (18...Nb4!?+-) 19.Nc5+- bc5 20.Bc5 Re8 21.Rfd1 Qc7 22.Bd6 Qc4?? (better 22...Qa5+-) 23.Qc4 Rac8 (23...Rec8 24.Qg4+-) 24.Qd4 a6 (24...Ra8 25.a5+-) 25.Qa7 Ba8 26.b6 Nb6 (26...Nc3 27.Rd2 Rc6 28.b7 Bb7 29.Qb7+-) 27.Qb6 Bd5 28.Qa6 Ra8 29.Qb5 White prepares the advance a5 29...h6 30.a5 Red8 31.a6 f6 32.a7 (32.Rd5 ed5 33.Qd5 Kh8+-) 32...fe5 33.Be5 Re8 34.Qd7 (34.Qd7 Ra7 35.Ra7 Re7 36.Qe7 Bg2 37.Qg7) 1–0. DEFFM – lionjoshi, freechess.org, 2018.

6.c4 dc4 7.Bc4 b6 8.Qf3 Nd5 9.Bd5 Qd5= 10.Qd5 (10.a5 Qf3 11.Nf3 Nd7=) 10...ed5 11.Nf3 f6 (11...a6 12.Nc3 Be6 13.Ke2=) 12.Nc3 Bb7 13.0-0 (13.d4=) 13...d4 (better 13...a6!?=) 14.ed4+= Bf3 15.gf3 cd4 (15...Nd7+=) 16.Ne4 (better 16.Nd5!? Kd7 17.a5 ba5 18.Ra5+-) 16...Bc5= 17.Nc5 bc5 18.Ba3 Nd7 19.Rac1 0-0-0 (better 19...Rc8!?=+) 20.Bc5+= Nc5 21.Rc5 Kb7 22.Rfc1 Kb6? (better 22...Rc8+=) 23.Rc6+- Ka5?? (better 23...Kb7 24.Rc7 Kb8 25.Rg7 Rhg8 26.Rg8 Rg8 27.Kf1 Rg5+-) 24.R1c4 (24.R1c4 Rd6 25.Rd6 Re8 26.Ra6) 1-0. AleksandrNekhoroshik (1705) - de_paix (1695), lichess.org, 2020.

6.c4 dc4 7.Bc4 b6 8.Nf3 Bb7 9.0-0 Nbd7 10.d4 (10.Na3 Be7+=) 10...cd4 11.Nd4 Rc8 12.Nc6 Bc6 13.bc6 Rc6 14.Bb5 Rd6 (14...Rc7!?=) 15.Qc2+- Be7 16.e4 0-0 (16...a6!? 17.e5 ab5 18.ed6 Bd6 19.ab5 0-0+-) 17.e5+- Rd5 18.ef6 Bf6 (18...Nf6 19.g3+-) 19.Nc3 Rc5 20.Rfd1 (20.Rfd1 Rc7 21.Qe2+-) 1–0. Vendelo – Interner, internet free game, 2018.

6.c4 dc4 7.Bc4 Bd6 8.Nf3 0-0 9.Qc2 Nbd7 10.0-0 Nb6 11.Be2 c4 (11...Nbd5!?=) 12.Ng5 (12.a5 Nbd7+-) 12...Nbd5 13.Bc4 (13.Bf3 c3 14.Nc3 Nb4+-) 13...h6 (better 13...Bh2!? 14.Kh1 Nb4=) 14.Bd5+- hg5 15.Bb3 e5 (15...Bd7 16.Rc1+-) 16.Nc3+- Nh7 (16...Qe7 17.Qg6+-) 17.Ne4 Bf5 18.d3 Rc8 19.Qe2 Be4 20.de4 Qe7 21.Rfd1 Nf6 22.g3 (better 22.h3!?+-) 22...Ne4 23.f4 (23.Qd3!? Nc5 24.Qd6 Qd6 25.Bf7 Rf7 26.Rd6=) 23...ef4= 24.ef4 gf4 25.Qg4 (25.Re1 Rfe8 (worse 25...fg3 26.Qe4 gh2 27.Kh1 Qe4 28.Re4+-) 26.Bd5 Nc5 27.Qe7 Be7-/+) 25...Bc5 (25...Nf6 26.Qf3 Rfe8 27.gf4 Bc5 28.Kh1 Ne4=) 26.Kg2 Nf6 27.Qg5?? (better 27.Qf3 Rfe8 28.Re1=) 27...Qe2-+ 28.Kh3 Qb2 29.Rab1 Qe2 30.Qf4 (30.Re1 Qd3 31.Qf4 Rfe8-+) 30...Qh5 31.Kg2 Ng4 32.h4 (32.Rd5 Qh2 33.Kf3 Be3-+) 32...Ne3 33.Kh3 Nd1 34.Bd1 (34.Rd1 Rcd8 35.g4 Qg6-+) 34...Qg6 35.Rb2 Bd6 36.Qf2 (36.Qf3 Qe6 37.Kg2 Qe1-+) 36...Rce8 (better 36...Rc3 37.Bf3 Qf6 38.Kg2 Rf3 39.Qf3 Qb2 40.Kh3-+) 37.Bc2 Qe6 38.Kh2 (38.Bf5 Qc4 39.Qf3-+) 38...Qe2 (better 38...Qg4 39.Bb3 Qh4 40.Kg2 Qg5-+) 39.Qe2?? (better 39.Bh7! Kh7 40.Re2 Re2 41.Qe2+-) 39…Re2-+ (39...Re2 40.Kh3 g6-+) 0-1. AhmedSultanov (1790) - hos_gh (1795), lichess.org, 2019.

6.c4 dc4 7.Bc4 Be7 8.Nf3 0-0 9.0-0 Nd5 10.d4+= cd4 11.Bd4 Bf6 (11...a6 12.Nbd2+=) 12.Bd5+- Bd4 (12...ed5 13.Nc3 Be7 14.Qd3+-) 13.Qd4 (13.ed4?! ed5 14.Re1 Be6+=) 13...ed5 (13...Qd5 14.Qd5 ed5 15.Nc3+-) 14.Nc3 Be6 15.Rfd1 a6 16.Rac1 ab5 17.ab5 (17.Nb5?! Nc6 18.Qf4 Qa5+=) 17...Nd7 (17...Re8!?+-) 18.Nd5+- Bd5 (18...Rb8 19.Nc7 Nf6 20.Ne6 fe6 21.Qe5+-) 19.Qd5 Nb6 20.Qb7 Qb8 21.Qb8 Rab8 (21...Rfb8 22.Nd4+-) 22.Nd4 Na4 (22...Rfd8 23.Kf1+-) 23.Rc7 Nb2 (23...Rfc8 24.Rc6+-) 24.Rb1 (24.Rb1 Na4 25.Nc6+-) 1–0. GuestWLZS – GuestQMKG, freechess.org, 2019.

6.c4 Bd6 7.Be2 (7.Nf3 Nbd7 8.Be2 e5 9.cd5 e4 10.Nh4+=) 7...0-0 8.Nf3 Re8 9.Nc3 e5 10.cd5=.

6.c4 Be7 7.Nf3 a6 8.Be2 (8.Nc3 0-0+=) 8...ab5 (8...0-0 9.Na3=) 9.ab5+= Ra1 10.Ba1 Qa5 (10...0-0 11.0-0+=) 11.Bc3 Qd8 (11...Qa2 12.0-0+=) 12.0-0 Ne4 (better 12...0-0!?+=) 13.Bg7+- (13.Bg7 Rg8 14.Bb2+-) 1–0. DEFFM – acq, freechess.org, 2018.

6.c4 Be7 7.Nf3 b6 8.Be2 a5 (8...a6 9.d4=) 9.0-0 Bb7 (9...0-0 10.d4=) 10.d4 (10.cd5 ed5 11.d4 c4=) 10...dc4 (10...0-0 11.dc5 Bc5 12.cd5 Nd5 13.Nc3=) 11.dc5+= bc5 (11...Qd1 12.Rd1 Bc5 13.Nbd2+=) 12.Qd8+- Bd8 13.Ne5 (13.Nbd2 Bc7+-) 13...0-0 (13...Nbd7 14.Nc4 Bc7 15.Nbd2+-) 14.Nc4+- Bd5 (14...Nbd7 15.Nbd2+-) 15.Nbd2 Nbd7 16.Rfd1 Nb6 (16...Bc7 17.Rab1+-) 17.Nb6 Bb6 18.Bf6 gf6 19.e4 Bb7 20.Nc4 Bd8 21.Nd6 (better 21.f3+-) 21...f5?? (better 21...Rb8+-) 22.Nb7+- fe4 23.Nc5 Bf6 (23...e3 24.Nd7+-) 24.Rab1 Rfc8 (24...Rfd8 25.Nd7 Kg7 26.b6+-) 25.Nd7 Bc3 (25...Kg7 26.b6 Rc2 27.b7+-) 26.b6 Bb4 (26...Rd8 27.b7 Rab8 28.Nb8 Rb8 29.Rd7+-) 27.Rb3 (better 27.b7 Rab8 28.Ba6 Rb7 29.Bb7+-) 27...Rc6 (27...Rcb8 28.Rg3 Kh8 29.Nb8 Rb8+-) 28.Rg3 (28.b7 Re8 29.Nf6 Kf8 30.Ne8 Rb6+-) 28...Kh8 29.Ne5 Rb6 30.Nf7 1–0. DEFFM – GuestCDHG, freechess.org, 2018.

6.c4 Be7 7.Nf3 dc4 8.Bc4 a6 9.0-0 0-0 10.Nc3 Bd7 11.Qc2 h6 12.Ne4 Nd5 (12...b6 13.d4+/-) 13.Nc5! Nb4?? (13...Bc5 14.Bd5 Decoy) 14.Qc3+- Bf6 (14...f6 15.Be6 Kh8 16.Nd7 Nd7+-) 15.Qb4 ab5 16.ab5 (worse 16.Nb7 Qc7 17.Bf6 gf6 18.ab5 Ra1 19.Ra1 Qb7+-) 16...b6 (16...Ra1 17.Ra1 Bb2 18.Qb2 Bc8+-) 17.Ra8 bc5 18.Bf6 Qf6 (18...cb4 19.Bd8 Rd8 20.Rb1+-) 19.Qc5 Rc8 20.Qc8! Bc8 21.Rb8 Qd8 22.b6 Kh7 23.b7 (23.b7 Bb7 24.Rd8 Bf3 25.gf3+-) 1-0. onur604 (2320) - ArmadilloIvan (2185), Casual Rapid game, lichess.org, 2021.

6.c4 Be7 7.Nf3 dc4 8.Bc4 b6 9.0-0 Bb7 10.d4 Nbd7 11.Be2 (11.Qe2 Rc8=) 11...Rc8 12.Nbd2 cd4 13.Nd4 0-0 14.Bf3 Bf3 (14...Nd5 15.Qe2=) 15.N2f3+= (worse 15.gf3 Nb8=+) 15...Qc7 16.Rc1 Bc5 (16...Nc5 17.Nc6 Nfe4 18.Be5+=) 17.Nc6 Nb8? (better 17...Rfe8+=) 18.Be5+- Qb7 19.Bb8 (19.Nb8 Rb8 20.Bb8 Qb8+-) 19...Rb8 (19...Rc6 20.bc6 Qb8 21.Nd4+-) 20.Nb8 Qb8 21.Nd4 Rd8 22.Nc6 (22.Nc6 Rd1 23.Nb8+-) 1-0. BeepBeepImAJeep (2770) - ynos31 (2375), lichess.org, 2020.

6.Be2 Bd6 7.f4 0-0 8.Nf3 Nbd7 9.0-0 a6 10.Nc3=.

6.Be2 Nbd7 7.f4 c4 8.Nf3 Bc5 9.a5 0-0 10.0-0=.

6.Nf3 Bd6 7.Be2 Nbd7 8.c4 e5 9.cd5 e4 10.Nh4+=.

6.Nf3 Nbd7 7.c4 Bd6 8.Be2 e5 9.cd5 e4 10.Nh4+=.

6.Nf3 Nbd7 7.d4 c4 (7...cd4 8.Qd4 Qa5 9.Qd2=) 8.c3 (8.Be2 a6+=) 8...Be7 (8...a6 9.ba6 ba6 10.Be2+=) 9.Nbd2 (9.Ba3 Ba3 10.Ra3 a6+=) 9...0-0 10.Be2 Qc7 (10...a6 11.ba6 ba6 12.0-0+=) 11.h3 (11.a5 e5=) 11...a6 12.0-0 (12.ba6 ba6 13.Ba3 Ba3 14.Ra3 Rb8+=) 12...ab5 13.ab5 Ra1 (13...Ra5 14.Qc2+=) 14.Ba1 (14.Qa1 Qd6=) 14...b6 (14...Qa5 15.Qb1+=) 15.Qc2 e5 (15...Bb7 16.Bb2+=) 16.de5 Ne5 17.Ne5 (17.Rd1 Bc5=) 17...Qe5+= 18.Nf3 Qc7 (18...Qf5 19.Qf5 Bf5 20.Nd4+=) 19.Nd4 Bb7 (19...Bd7 20.Bb2+=) 20.Bf3= Ne4 21.Bb2 Bc5 (21...Ra8 22.Ra1+=) 22.Ra1= Qe5 (22...Nd6 23.Ba3=) 23.Ra7 Bc8 (23...Qb8 24.Ra4=) 24.Nc6 (24.Ba3 Ba3 25.Ra3+=) 24...Qf6 (better is 24...Qg5!? 25.Be4 de4 26.Qe4 Bh3+=) 25.Be4+/- de4 26.Qe4 Be6 (26...Qg5 27.Ba3 Ba3 28.Ra3 Qb5 29.Ne7 Kh8+-) 27.Ne5 (27.Ba3!? Ba3 28.Ra3+-) 27...Qd8+= 28.Qc2 (worse is 28.Nc4 Qd1 29.Kh2 Qb3-/+) 28...Qg5 (28...Qd5 29.Nc6+=) 29.Nf3+= Qd5 30.Nd4 Bd7 (30...Bd4 31.cd4 Qg5 32.Kh1+=) 31.e4+/- Qd6 32.Kf1 (32.Qa4 Re8 33.Qc4 Re4 34.Ra8 Be8+=) 32...Be6 33.Qe2 (33.f3 Qh2 34.Qf2 Qb8+=) 33...Qh2= 34.Nf3 Bh3?? (better is 34...Qh1 35.Ng1 Bd6=) 35.Nh2+- (35.gh3?! Qh3 36.Ke1 Qh1 37.Kd2 Qb1+/-) 35...Be6 36.Ba3 Ba3 37.Ra3 Rd8 38.f3 (38.Qe3!? h6+-) 38...g6 39.Ra6 Rb8 40.Qe3 h5 41.Rb6 Ra8 42.Ra6 Rd8 43.b6 Rd1 44.Kf2 Rb1 45.Ra8 (45.Qh6 Bd5 46.ed5 Rb2 47.Ke3 Re2 48.Ke2 f6 49.Ra8 Kf7 50.Qf8) 45...Kh7 46.Qd4 Rb2 47.Kg1 Rb1 (47...f6 48.Qf6 Rb1 49.Nf1 Rf1 50.Kf1 Bg8 51.Ra7 Bf7 52.Qf7 Kh6 53.Qf4 g5 54.Qd6) 48.Nf1 Kh6 (48...Rf1 49.Kf1 f6 50.Qf6 Bg8 51.Ra7 Bf7 52.Qf7 Kh6 53.Qf4 g5 54.Qd6) 49.Rh8 (49.Qf6 Rf1 50.Kf1 Bc8 51.Rc8 h4 52.Rh8) 49...Kg5 50.Qe3 Kf6 51.e5 Ke7 (51...Kf5 52.g4! hg4 53.Qe4 Kg5 54.f4) 52.Qc5 Kd7 53.Qd6 1–0. mic (2155) – lopesqwf (2205), net–chess.com, 2008.

6.Nf3 Nbd7 7.Be2 Bd6 8.0-0 e5 9.Nh4 0-0 10.Nf5+=.

6.Nf3 Nbd7 7.Be2 Bd6 8.0-0 Qe7 9.c4 b6 10.d4 Bb7 11.Nbd2 Rd8 12.Rc1 (12.a5 cd4 13.Nd4 Nc5=) 12...dc4 13.Nc4 Bc7 14.Qc2 cd4 15.Nd4 0-0 16.Bf3 Bf3 17.Nf3 Nc5 18.Nd4 Nfe4 (18...Ng4 19.h3 Nh2 20.Rfd1+/-) 19.Nc6 Qg5 (19...Qh4 20.g3 Qh5 21.Nd8 Rd8 22.Rfd1+-) 20.Nd8+- Bd8 (20...Rd8 21.Rfd1+-) 21.Bd4 Bc7 22.a5! Qh4 (22...ba5 23.f3 Combination) 23.g3 Qh3 24.ab6 ab6 25.Ne5 Ng5 (25...Be5 26.Be5 f5+-) 26.f4 Nge4 27.Nd7! Nd7 28.Qe4 (28.Qc7?! Ng3 29.Rf2 Ne4+-) 28...Nc5 (28...Bd8 29.Rc8+-) 29.Bc5 bc5 30.Rc5 Bb6 31.Rc6 Ba5 (31...Ba7+-) 32.b6 Bb6 33.Rb6 h6 34.Ra6 Rc8 35.Ra8 Ra8 36.Qa8 Kh7 37.Qe4 Kg8 (37...Qf5 38.Qd4+-) 38.Qg2 (38.f5!? ef5 39.Rf5 f6+-) 38...Qg4 39.Qf3 Qf5 40.e4 Qc5 41.Rf2 Qe7 42.Kg2 Qc5 43.e5 Kh7 44.Qa8 (44.Qd3 g6+-) 44...g6 45.Qe4 Qd6 (45...Qb6 46.Rd2+-) 46.Qf3 (46.ed6 Kh8 47.Qe5 f6 48.Qf6 Kh7 49.Qf7 Kh8 50.d7 e5 51.d8Q) 46...Qd7 47.Re2 Qe7 48.Qe4 Kg7 49.Qg6 (49.Qg6 Kg6 50.Rd2-+) 1-0. BeepBeepImAJeep (2610) - Shakiro (2335), lichess.org, 2015.

6.Nf3 Be7 7.c4 0-0 8.Be2 a6 9.0-0 ab5 (9...Nbd7 10.d4=) 10.ab5 Ra1 11.Ba1 Bd7 (11...dc4 12.Bc4 b6 13.d4=) 12.Nc3 (12.Qc2 dc4 13.Ng5 Re8 14.Bc4 g6+=) 12...dc4 13.Bc4 Be8 (13...Qc7 14.Qc2+=) 14.Ne5 (14.Na4 Nbd7+=) 14...Nbd7= 15.f4 Nb6 (15...Ne5 16.fe5 Nd7 17.Na4=) 16.Bb3 Nfd7 17.Qc2 (17.d4 Ne5 18.fe5 Bg5=) 17...Ne5 18.fe5 c4 19.Ba2 Qc7 (19...f6 20.ef6 Rf6 21.Rf6 Bf6 22.Qd1=+) 20.Qe4 Bb4 21.Rb1 (better 21.Bb1 g6 22.d3=) 21...Bc3 (better 21...Ba5=) 22.Bc3+- (worse 22.dc3 Bd7-/+) 22...Bd7 23.Rb4 (23.Bd4 Ra8 24.Bb6 Qb6 25.Bc4 Ra4+-) 23...Rc8 24.Bd4 Ra8 (24...Qd8 25.Bb6 Qb6 26.Bc4+-) 25.Bb6 (25.Bb1 g6 26.Bb6 Qb6 27.Qc4 Rc8+-) 25...Qb6 26.Qc4 (26.Bb1 Kf8 27.Qh7 Qa5 28.Qh8 Ke7 29.Qh4 Ke8 30.Qc4 Rc8+-) 26...Rc8 27.Qb3 (27.Qd3 Qa5 28.Rc4 Rd8+-) 27...Qc7 (27...Rc1 28.Kf2 Qc5 29.Bb1+-) 28.Rd4 (better 28.Qd3!?+-) 28...Qe5= 29.Qd3 Rc1 30.Kf2 Qf6 31.Kg3 (31.Rf4 Qe7=) 31...Qe5 (31...Rg1 32.Qe4 Bb5 33.Qb7=) 32.Kh3= Rh1 The mate threat is Rxh2 33.g3 Qh5 (33...Rg1 34.Bc4=) 34.Rh4 Qb5 Threatening mate: Qxd3 35.Bc4 Qf5?? (35...Qc6 36.Qh7 Kf8=) 36.Kg2?? (better 36.Qf5 ef5 37.Rd4+-) 36...Qd3 37.Bd3 Rd1 (37...Bc6 38.Be4 Rd1 39.d4-/+) 38.Bh7 Kf8 39.d4 g6 40.Rf4 (better 40.Kf3!?-/+) 40...Kg7 41.Kf2 (41.Rh4 Rd2 42.Kg1 Re2–+) 41...Bb5 (better 41...Rd2 42.Kg1–+) 42.h4? (42.Rh4–+) 42...Rf1 (42...Kh7 43.Rf7 Kh6 44.Rb7 Rf1 45.Kg2 Bc6 46.Kf1 Bb7 47.g4–+) 43.Kg2 Rf4 (43...Kh7?! 44.Rf1 Bf1 45.Kf1=) 44.gf4 (44.ef4 Bc6 (worse 44...Kh7 45.Kf3–+) 45.Kf2 Kh7–+) 44...Kh7 45.e4 (45.Kf2 Bc6–+) 45...Bc6 46.Kf3 f5 47.d5 (47.Ke3 fe4 48.Kd2 Kh6–+) 47...fe4 48.Ke4 Bd5 49.Kd4 (49.Ke5 b5 50.Kd4 b4–+) 49...Kg7 (49...Kh6 50.Kc5–+) 50.Kc5 Kf6 51.Kd4 Kf5 (51...Kf5 52.Kc5 Kf4–+) 0–1. Woldbye – Hansen,SE, Copenhagen, 1983.

7.Bd3 de3 (7...e5!?=+ A) 8.f3 Bd6 (8...Be6 9.Ne2 Bd6 10.0-0 a6 11.Qc2 0-0 12.Bf5=+) 9.Ne2 Be6 10.0-0 a6 11.Qc2 0-0 12.Bf5=+; B) 8.ed4 cd4 9.Qe2 Bd6 10.Bd4 0-0 11.Be3 e4 12.Bc2=) 8.de3+= b6? (8...a6 9.e4 (9.Nf3+= b6 10.0-0 Bb7 11.Nc3 Be7 12.Qe2+=) 9...Qa5 10.Bc3 Qc7 11.e5 Nfd7 12.Nf3+=; 8...Bd6 9.Nf3 0-0 10.0-0 Re8 11.Qd2 Qe7 12.Rd1+=) 9.Nf3?? (better 9.Qf3 Qd3 10.Qa8+-) 9...Bb7+= 10.Be2 Qd1 11.Bd1 Be7 12.0-0 0-0 13.Be2 Nbd7 14.Rd1 Rad8 (14...a6 15.Ne5 Ne5 16.Be5 ab5 17.ab5 Ra1 18.Ba1=) 15.Nbd2 Ne4 16.Ne4 Be4 17.Nd2 Bb7 18.Bf3 Bf3 19.Nf3 Bf6 20.Bf6 Nf6 21.Ne5 Rd1 22.Rd1 Rc8 23.Nc6 Kf8 24.Rd8 (24.a5!? Ra8 25.a6+-) 24...Rd8= 25.Nd8 Ne4 26.Nc6 Nc3 (26...Nd6!? 27.a5 ba5 28.Na5 e5=) 27.Na7 (better 27.a5 ba5 28.Na7=) 27…Na4=+ ½–½. hal1958 – jsm, playchess.de, 2003.

7.ed4 cd4 8.d3 Bb4 9.Nd2 0-0 10.Ngf3 e5 11.Be2 e4 (11...Re8 12.0-0=+) 12.de4 (better 12.Nd4!? ed3 13.Bd3 Re8 14.Kf1+=) 12...Ne4 13.0-0 Nc3 14.Bc3 Bc3 15.Ra3 Nd7 16.Ne4 Bb4 (better 16...Qe7!? 17.Nc3 Qa3=+) 17.Rd3 Nf6 (17...f5!? 18.Ned2 Nc5 19.Rd4 Qa5+=) 18.Rd4+- Qe7 19.Nf6 Qf6 20.Qb1 Bc5 21.Rd5 b6 22.Bd3 g6 23.Be4 Bb7 24.Rg5 Be4 25.Qe4 Rfe8 26.Qg4 (26.Re5 Red8+-) 26...Rad8 (26...Re2 27.h3=) 27.h4 h6 28.Rd5 Rd5 29.cd5 h5 30.Qd7 Re7 31.Qc8 Kg7 32.Ng5?? (better 32.Qc6+=) 32...Re1!–+ 33.Nf3 (33.Re1 Qf2) 33...Rf1 34.Kf1 Qa1 (better 34...Qb2 35.Ke1 Qf2 36.Kd1 Qg2–+) 35.Ne1?? (better 35.Ke2-/+) 35…Qa4 (35...Qa4 36.Qe8 a5-/+) 0–1. typ48 – zibimac, playok.com, 2012.

7.ed4 cd4 8.Nf3 Bc5 9.Bd3 0-0 10.0-0 b6 (10...Qd6 11.Na3=) 11.a5 Bb7 12.a6 (12.Qe2 Qd6 13.Ne5 ba5 14.Ra5 Nbd7=) 12...Be4 (12...Bf3 13.Qf3 (worse 13.gf3 Nh5 14.Be4 Nf4–+) 13...Nbd7 14.Qe2=) 13.Be4+= Ne4 14.d3 Ng5 15.Nbd2 Nf3 16.Nf3 (worse 16.gf3 Qh4=+) 16...f6 17.Qe2 e5 18.Qe4 (18.Bc1 Qd6=) 18...Nd7= 19.Nh4 Qc7 (19...Bb4 20.Qd5 Kh8 21.Ra4=) 20.Bc1 g6? (better 20...Bb4 21.Rb1 Ba5 22.Qd5 Kh8+=) 21.Bh6 (21.Ng6!? Rfe8 (21...hg6?? 22.Qg6 Kh8 23.Qh5 Kg8 24.Bh6+-) 22.Qd5 Kg7+-) 21...Rf7?? (better 21...Kh8 22.Bf8 Rf8+-) 22.Qa8 (22.Qa8 Qb8 23.Qd5+-) 1–0. DEFFM – GuestGHCR, freechess.org, 2019.

7.Nf3 b6 8.ed4 Bb7 9.Be2 Nbd7 10.0-0 Be7 11.dc5 Nc5 12.d4 Ncd7 13.Nbd2 0-0 14.Ne5 Ne5 15.de5 Nd7 16.Bf3 Qc7 17.Bb7 Qb7 18.Nf3 Qc7 19.Nd4 (better 19.Qe2+/-) 19...Ne5=+ 20.Rc1 Ng6 (20...Bd6!?=+) 21.Nc6= Bd6 22.h3 Rae8 23.Qg4 e5 24.Rce1 Nf4 25.Re3 (25.Qf5 f6=) 25...Re6 (25...f5 26.Qh4=) 26.Rg3 (26.Ne5 Re5 27.c5 Qc5 28.Qf4 Re3 29.Qe3 Qe3 30.fe3 Rd8=) 26...Rg6 27.Qf3 Rg3 28.fg3 Ng6 29.Qd5 Ne7 30.Ne7 Qe7 31.Re1 Bc5 (better 31...Re8!?=+) 32.Kh2+/- Re8 (32...Bd6 33.Be5 Be5 34.Qe5+=) 33.Re5 Qd8 34.Rg5 (34.Bd4 Bf8 35.a5 ba5 36.Re8 Qe8 37.Ba7+-) 34...Qd5? (better 34...Bf8!?+/-) 35.Rg7+- (35.cd5?! g6 36.Re5 Kf8+/-; 35.Rd5?! Kf8+/-) 35...Kf8 36.cd5 Rd8 37.Rh7 Rd5 38.Bf6 (38.Bf6 Ke8 39.Rh8 Kd7 40.Rd8 Ke6 41.h4+-) 1-0. BeepBeepImAJeep (2480) - WhyBeNormal (1785), lichess.org, 2017.

7.Nf3 Bd6 8.ed4 0-0 (8...cd4!? 9.Bd4 Nbd7+= 10.Bc3+=) 9.dc5+/- Bc5 10.d4 Bb4 11.Bc3 Qa5 12.Qd2 Bc3 13.Qc3 Qc7 14.Nbd2 b6 15.Bd3 Bb7 16.0-0 Nbd7 17.Rfe1 Rfd8 18.Rac1 Rac8 19.Qa3 Qf4 20.c5 (20.a5 Qg4+-) 20...bc5 21.dc5 Bf3 (21...Nc5 22.Rc5 Rc5 23.Qc5 Rd3 24.Qa7+/-) 22.Nf3 Nd5 23.Rc4 Qf6 (23...Qc7 24.Rec1+/-) 24.c6 N7b6 25.Rh4 h6 26.a5 Na8 27.Qa1 Nc3 28.Bf1 Rd5 29.Rb4 Rcd8?! (29...Nc7 30.b6 Rc5 31.Rc4 (worse is 31.bc7 Rc6 32.Ne5 R6c7+-) 31...Rc4 32.b7+-) 30.Rb3 Rc5 31.Rc1 Ne4 32.Qf6 gf6 33.Rc5 Nc5 34.Rb1 (34.Rb4 Rd6+-) 34...Na4 (34...Rb8 35.Nd2+-) 35.Rb4 (35.Rc1!? Kg7+-) 35...Nc3 36.g3 (36.b6 ab6 37.ab6 Nd5 38.Rg4 Kf8+-) 36...Kf8 37.Rb3 Na4 38.Rb4 Nc3 39.Bc4 e5 (39...Rb8+-) 40.b6 e4 (40...ab6 41.ab6 Nb6 42.Rb6+-) 41.Nh4 (better is 41.b7!? Nc7 42.b8Q Rb8 43.Rb8 Ke7+-) 41...ab6 42.ab6 e3 (42...Nb6 43.Rb6 Ke8 44.Nf5+-) 43.c7 Rd1 (43...Re8 44.fe3 Ke7 45.Nf5 Kd7 46.Bf7 Nb6 47.Be8 Kc7+-) 44.Kg2 Nb6 45.Rb6 (45.Rb6 Rg1 46.Kg1 Kg7 47.Nf5 Kg6 48.Ne7 Kg7 49.c8Q Ne2 50.Be2 ef2 51.Kf2 h5 52.Qg8 Kh6 53.Rf6) 1–0. Palmi,Herbert – Neulinger Jagode,Rupert, Nord Bayern–ch, 2001.

7.Nf3 de3 8.fe3 Bd6 9.Be2 Nbd7 10.0-0=.

7.Nf3 de3 8.fe3 Nbd7 9.Be2 g6 10.0-0+/- Bg7 11.d4 0-0 12.Nbd2 (12.Nc3 Ng4 13.Qd3 e5+=) 12...Re8 (12...Ng4 13.Qb3=) 13.Qe1 e5 14.Ne5 (14.de5?! Ng4 15.Ra3 Nde5 16.Ne5 Ne5=) 14...Ne5 15.de5 Nd7 16.Nf3 Ne5 17.Ne5 Be5 18.Be5 Re5 19.Qf2 Qe7 20.Bf3 Be6 21.Rac1 Rd8 22.a5 (22.Rc3 b6=) 22...b6 (22...Rd3 23.Rfe1=+) 23.ab6= ab6 24.Bc6 (24.Rc3 Bf5=) 24...Bf5=+ 25.Bd5 Kg7 (25...Re3 26.Ra1=+) 26.e4 Be4 27.Qf7 (27.Bf7? Rf8-+) 27...Qf7 28.Rf7 (28.Bf7?? Rd2 29.Rf2 Rf2 30.Kf2 Kf7-+) 28...Kh6 29.Be4 Re4 30.Rf6 Rd2 31.Rf2 Rdd4 32.Rf6 Re2 33.Rf2 Rdd2 34.Re2 Re2 35.Rd1 Rc2 36.Rd6 Rc4 37.Rb6 Rb4 38.Rb7 c4 39.Rc7 Rb5 40.Rc4 Rd5 41.h4 Kh5 42.Kh2 g5 43.hg5 Kg5 44.Rc3 h5 45.Rg3 Kh6 46.Rf3 Rg5 47.Rg3 Rg6 48.Rg6 Kg6 49.Kh3 Kg5 50.g3 Kf5 51.Kh4 Kg6 52.g4 hg4 53.Kg4 ½-½. BeepBeepImAJeep (2760) - temp002, lichess.org, 2020.

7.Nf3 e5 8.Ne5 Be7 9.Nf3 0-0 10.Bd3 (10.ed4 Bg4 11.dc5 Bc5+/-) 10...Bg4 11.0-0 Nbd7 12.h3 (12.ed4 cd4 13.Be2 Bf3 14.Bf3 Nc5+/-) 12...Bh5 (12...Ne5! 13.Bh7 Nh7 14.hg4 Nc4+=) 13.ed4+/- cd4 14.Bc2 (14.g4 Nc5 15.Bf5 Bg6 16.Nd4 Nfe4+/-) 14...Ne5 15.Ne5?? (better 15.g4 Nc4 16.Bd4+/-) 15...Bd1-+ 16.Bd1 Bd6 (16...Re8 17.f4-+) 17.Nd3 (17.Bd4 Rc8-+) 17...Ne4 18.Bf3 Nc5 (18...Re8!? 19.a5-+) 19.Nc5-/+ Bc5 20.Bb7 Rb8 21.Bd5 Qe7 22.d3 Qf6 (better 22...Qe2 23.Ba3 Ba3 24.Ra3 Rfe8-/+) 23.Nd2= Rfd8 24.Ne4 (24.Nb3 Qb6+=) 24...Qe7 25.Rfe1 Qc7 (better 25...Bb4 26.Re2 Qe5=) 26.Nc5+- Qc5 27.Re4 Rd5 28.cd5 Qd5 29.Rd4?? (29.Rae1 f5 30.Rd4 Qb3+/-) 29...Qe6?? (better 29...Qb3 30.Re1 Qb2-+) 30.Re4+- Qg6? (30...Qd5 31.Re7+-) 31.Rae1 (better 31.Bg7 h5 32.Bd4 f5+-) 31...Rf8? (better 31...h5+-) 32.Ba3 f6 33.Bf8 Kf8 34.Re8! Qe8 35.Re8 Ke8 36.a5 Kd7 37.Kf1 Kd6 38.Ke2 (better 38.d4 g5+-) 38...Kc5 39.b6! ab6 40.ab6 (better 40.a6 Kc6 41.d4+-) 40...Kc6 41.Ke3 Kb6 42.Kd4 Kc6 43.Ke4 Kd6 44.d4 Ke6 45.d5 Kd6 46.Kd4 g6 47.f4 h6 48.Kc4 f5 (48...Kd7+-) 49.Kd4 g5 50.g3 g4 If Black now would get h4 in, he might survive 51.h4 h5 52.Kc4 Kd7 53.Kd4 Ke7?? (better 53...Kd6 54.Ke3 Kd5=) 54.Ke5+- Kf7 55.Kf5 Ke7 56.Kg5 Kd6 57.Kh5 Kd5 58.Kg4 Ke6 59.h5 Kf7 60.Kh4 Kg8 61.g4 (better 61.Kg5!? Kf7+-) 61...Kh7 62.g5 Kg8 63.Kg4 Kg7 64.Kf5 White prepares the advance g6 64...Kg8 65.g6 (65.Ke6 Kf8 66.h6 Kg8 67.g6 Kf8 68.g7 Kg8 69.Ke7 Kh7 70.Kf7 Kh6 71.g8Q Kh5 72.Qg5) 65...Kh8 66.Kf6 Kg8 67.g7 Kh7 68.Kf7 Kh6 69.g8Q Kh5 70.Qg5 1-0. BeepBeepImAJeep (2750) - nikitalebedev2005 (2400), lichess.org, 2020.

7.Nf3 e5 8.Ne5 Be7 9.Nf3 de3 10.fe3 0-0 11.Be2 Be6 12.0-0 Nbd7 13.d4 cd4 14.ed4 Bf5 15.Nbd2 Ne4 16.d5 (16.Ne5 Bg5 17.Rf5 Be3 18.Kh1 Bd2+-) 16...Bf6 (16...Bc5 17.Nd4 Qg5 18.N2f3 (18.Rf5?! Qf5 19.Qf1 Qe5=+) 18...Qe3 19.Kh1+/-) 17.Bf6 Ndf6 18.Ne4 Ne4 (18...Be4 19.Qd4+/-) 19.Nd4 Bg6 20.Bd3 Rc8 21.Kh1 (21.a5 Qg5 22.Qe2 Rfe8+/-) 21...Nc3 (better 21...Re8 22.Nf5 Bf5 23.Rf5 Qh4+=) 22.Qc2?? (better 22.Qf3!? Qh4 23.Bg6 Qd4 24.Bf7 Kh8 25.d6+-) 22...Rc4 (better 22...Nd5!? 23.Bg6 hg6=) 23.Bg6+/- hg6 24.Nf3?? (better 24.Ne2!? Qc8 25.Nc3 Rc3 26.Qf2+=) 24...Rc8 (24...Qd5 25.Qb3 Rc5 26.Qd5 Nd5 27.Rad1-/+) 25.a5 Nd5 (25...Qd5 26.b6 ab6 27.ab6-/+) 26.Qb3 (26.Qf2 a6=) 26...Nf6 (26...Rc3 27.Qb2=+) 27.a6 b6 28.Rad1 Qe7 29.Rfe1 Qc5 30.Ne5 Qc3 (better 30...Rce8 31.Qb2 Re6=) 31.Qc3+/- Rc3 32.Nc6 Ra8 (32...Rb3!? 33.Na7 Ra8+/-) 33.Re7 Ng4 34.Rf1 (34.Ra7? Ra7 35.Ra1 Ra8 36.Ne7 Kf8-+) 34...Ne3 35.Re1 Nd5 36.Rb7 Rc4 (36...Rc5 37.Na7 f6 38.h3+-) 37.h3 Nb4 (37...Rc5 38.Ra7 Ra7 39.Re8 (worse 39.Na7 Nc7+-) 39...Kh7 40.Na7 Rc1 41.Kh2+-) 38.Ree7 (better 38.Na7!? Rc5 39.Kh2+-) 38...Nc6+/- 39.Rf7 (better 39.bc6!? Rc6 40.Rf7+/-) 39...Ne5 40.Rg7 Kf8 41.Rh7 Nf7?? (better 41...Kg8 42.Ra7 Ra7 43.Ra7 Rc5+/-) 42.Rhf7 Kg8 43.Rg7 Kf8 44.Rh7 Ke8 (44...Kg8+-) 45.Rh8 1-0. BeepBeepImAJeep (2745) - nikitalebedev2005 (2405), lichess.org, 2020.

7.d4 cd4 8.Bd4 Ne4 9.cd5 Bb4 10.Ke2+=.

7.Nf3 d4 8.Be2 de3 9.fe3 Be7 10.0-0 0-0 11.d4 Qc7 12.Nbd2 (12.Nc3 Bd6 13.Qd3 cd4 14.ed4 Rd8+=) 12...cd4 (better 12...Ng4!? 13.Qb3 Bg5-/+) 13.ed4= (worse 13.Bd4 e5 14.Bb2 Ng4-/+) 13...e5 (13...Ng4 14.Qb3=) 14.de5 (better 14.Ne5!? Ne5 15.de5+/-) 14...Ng4 15.Qb3 Nge5 16.Ne5 Ne5 17.Nf3 (17.Qg3 f6=) 17...Nf3 18.Bf3 Bc5 19.Kh1 Be6 20.Qc3 White plans a5 20...f6 21.Rae1 Bf7 22.a5 Rac8 23.Rd1 Bd6 Attacks the backward pawn on c4 24.h3 (24.Rd6!? Qd6 25.Ba3 Rc4 26.Qa1=+) 24...Be5 25.Qc2 Qc4 26.Qc4 Rc4 (better 26...Bc4!? 27.Rf2 b6-/+) 27.Be5= fe5 28.Bb7 Rb4 29.Bc6 Bc4 30.Rf8 Kf8 31.Rd8 Ke7 32.Rb8 (32.Rd7 Ke6 33.Ra7 (33.Rg7?! Bb5 34.Bb5 Rb5 35.Ra7 Kf5+/-) 33...Bb5 34.Rb7 Bc6 35.Rb4+-) 32...Kf6? (32...Kd6 33.Rb7+=) 33.a6 (33.b6 ab6 34.Rb6 Rb6 35.ab6 Ba6+-) 33...e4 (33...Rb1 34.Kh2 Ra1 35.Rb7+-) 34.Be4 (better 34.b6!? e3 35.Bf3 ab6 36.a7+-) 34...Rb5+= 35.Ra8 (better 35.Rc8 Rb4 36.Rc6 Ke5 37.Bh7+=) 35...Ra5? (35...Rb6 36.Ra7 Ra6 37.Rc7=) 36.Ra7 (better 36.Bb7+-) 36...Ra6= 37.Rc7 Ra1 38.Kh2 Be6 (38...Bg8!?=) 39.Bh7+= g6 (better 39...Re1!?+=) 40.Rc6+- Re1 41.Bg8 Kf5 42.Re6 Re6 43.Be6 Ke6 44.Kg3 Kf5 45.Kh4 g5 46.Kg3 (better 46.Kh5 Kf4+-) 46...Kf6 47.Kg4 Kg6 48.h4 gh4 49.Kh4 Kh6 50.Kg4 Kg6 51.g3 Kf6 52.Kh5 Kf5 53.g4 Kf6 54.Kh6 Kf7 55.g5 Kf8 56.Kh7 Kf7 57.g6 Ke6 58.g7 Ke5 59.g8Q Kf5 60.Qg6 Kf4 61.Kg7 Ke3 62.Qf5 Ke2 63.Kf6 Kd2 64.Ke5 Ke2 (64...Kc3 65.Kd5 Kb3 66.Qd3 Kb4 67.Qd4 Ka3 68.Kc4 Ka2 69.Qd2 Ka3 70.Qe2 Ka4 71.Qa2) 65.Ke4 (65.Kd4 Kd2 66.Qf2 Kd1 67.Kd3 Kc1 68.Qc2) 65...Kd1 (65...Kd2 66.Kd4 Ke2 67.Qf4 Kd1 68.Kd3 Ke1 69.Qh2 Kf1 70.Ke3 Ke1 71.Qe2) 66.Qf3 (66.Kd3 Kc1 67.Kc3 Kd1 68.Qf1) 66...Kd2 67.Qe3 (67.Qb3 Kc1 68.Qa2 Kd1 69.Kd3 Ke1 70.Qe2) 67...Kc2 68.Qd3 (68.Kd4 Kb2 69.Qc3 Kb1 70.Qd2 Ka1 71.Kc3 Kb1 72.Qb2) 68...Kb2 69.Kd4 Ka2 (69...Kc1 70.Qc3 Kb1 71.Qd2 Ka1 72.Kc3 Kb1 73.Qb2) 70.Kc4 (70.Kc3 Ka1 71.Qb5 Ka2 72.Qb2) 70...Ka1 (70...Kb2 71.Qe2 Kc1 72.Kc3 Kb1 73.Qb2) 71.Qd2 Kb1 72.Kb3 Ka1 73.Qd1 (73.Qe1) 1-0. BeepBeepImAJeep (2650) - mahankhoshkalam21 (2120), lichess.org, 2017.

7.Nf3= Bd6 8.Be2 e5 9.cd5 e4 10.Nh4+=.

7.f4 Bd6 8.Nf3 d4 9.Be2=+.

7.f4 Be7 8.Nf3 0-0 (8...a6 9.Qc2=) 9.Nc3 (9.Qc2 Qc7=) 9...b6 (9...Bd6 10.Qc2=) 10.Bd3= Bb7 11.0-0 dc4 (11...Qc7 12.Qc2=) 12.Bc4 Re8 (12...Qc7 13.Qc2=) 13.Qb3+= Ne4? (better 13...Bd6!?+=) 14.f5!+- Bf6 (14...ef5 15.Bf7 Double attack (15.Bf7 Pinning; 15.Bf7 Deflection)) 15.fe6 (15.Ne4 Be4 16.fe6 fe6 17.Be6 Kh8 18.Bf6 Nf6+-) 15...fe6 16.Ne4 (16.Be6 Kh8+-) 16...Be4 17.Be6 Kh8 18.Bf6 Nf6 19.Ng5 (better 19.Ne5 Qd2 20.Nf7 Kg8 21.Ng5 Kh8 22.Rf2+-) 19...Bd3?? (better 19...Bg6 20.Qb2 Qe7+-) 20.Nf7+- Kg8 21.Nd8 (21.Nd8 Kf8 22.Nc6+-) 1–0. guestoxic – guestlzng, internet free game, 2018.

6.c4 0-0 7.Nf3 Bd7 8.Be2 Qb6 9.Nc3 Qd8 10.0-0 a6 11.Ne5 ab5 12.Nd7 Nbd7 13.ab5 Qe7 14.h3 cb5 15.d4 b4 16.Nb5 Ra1 17.Ba1 Bd6 18.c5 Bb8 19.Qb3 Rc8 20.Qb4 b6 21.Nd6 Bd6 22.cd6 Qd8 23.Bb2 h6 24.Rc1 Ne4 25.Bd3 Ndf6? 26.Rc8+/- Qc8 27.Be4 Ne4+= 28.Qb6 Qc2 29.f3?? Qf2 30.Kh2 Qg3 31.Kg1-/+ Ng5 32.d7?? Nf3 33.Kf1 Qe1 0–1. nizinna (1615) – albush0914 (1675), kurnik, 2011.

6.c4 Be7 7.Nf3 dc4 8.Bc4 cb5 9.ab5 Nbd7 10.Be2 Nb6 11.0-0 Bd7 12.Nc3 Nfd5 (12...0-0 13.Ba3+=) 13.d4 (13.Nd5!? ed5 14.Bg7+/-) 13...f6 14.Nd5 ed5 15.Bd3 (15.Qc2 Bg4+=) 15...Bd6 (15...Nc4 16.Qc2=) 16.Qb1 Qc7 (16...Bg4 17.Nd2+= (worse 17.Bh7 Qd7 18.Qg6 Kd8=)) 17.g3 (17.Ba3 Ba3 18.Ra3 Bg4+/-) 17...Ke7 (17...Nc4 18.Bc3=) 18.Nh4 (18.Ba3 Ba3 19.Ra3 Nc4+/-) 18...g5 (18...Nc4 19.Bc3=) 19.Nf5 Bf5 20.Bf5 Nd7 (better 20...Nc4!?+=) 21.Rc1+- Qd8 22.Ba3 Nb6 23.Bd6 (23.Bc5 Nc4+-) 23...Qd6 24.Qc2 Nc4 25.e4 Nb6 (25...Qb6 26.ed5 Nd6 27.Qc7 Qc7 28.Rc7 Kf8 29.Bd3+-) 26.ed5 (better 26.Qc7!? Qc7 27.Rc7 Kd6 28.Rb7 h5+-) 26...Nd5 27.Re1 Kf7 28.Bh7 Kg7? (better 28...Qd7+-) 29.Qg6 Kf8 30.Re2 (better 30.Ra7 Qb8 31.b6+-) 30...Nf4?? (better 30...Qd7 31.Qh6 Qg7 32.Qg7 Kg7+-) 31.gf4 gf4 32.Rae1 (32.Ra7 Qe6 33.Re6 Ra7 34.Qf6) 32...Rh7 (32...Qe7 33.Re7 Rh7 34.Re8 Re8 35.Re8) 33.Re8 Re8 34.Re8 1-0. Jimito100 (1920) - Couvervan (2200), Hourly Bullet Arena, lichess.org, 2020.

6.d4 Bb4 7.c3 A) 7...Be7 8.Nf3 (8.Ba3 0-0 9.Bd3 Ba3 10.Na3 c5 11.dc5 Qc7 12.c4 Qc5 13.Ne2=; 8.Bd3; 8.Be2) 8...c5 9.c4 0-0 10.Bd3 dc4 11.Bc4 Nbd7 12.0-0 a6 13.Qc2+=; B) 7...Bf8 8.Bd3 (8.Nf3; 8.Ba3; 8.Be2; 8.c4) 8...c5 9.c4 cd4 10.Bd4 dc4 11.Bc4 Bb4 12.Nc3 Nbd7 13.Qb3=; C) 7...Ba5 8.Bd3 (8.Nf3 Bd7 9.Bd3 Qb6 10.Ba3 cb5 11.Bc5 Qc7 12.ab5 b6 13.Bb4=; 8.Be2 Bd7 9.Nf3 Qb6 10.Ne5 cb5 11.Nd7 Nbd7 12.ab5 a6 13.Qa4=; 8.Nd2 0-0 9.Ngf3 Nbd7 10.Bd3 c5 11.c4 cd4 12.Bd4 Re8 13.c5=; 8.Qf3 Nbd7 9.Bd3 e5 10.Qg3 Bc7 11.bc6 bc6 12.f4 ef4 13.ef4-/+) 8...a6 9.Nf3 Bc7 10.0-0 ab5 11.ab5 Ra1 12.Ba1 0-0 13.Qb3=; D) 7...Bd6 8.Nf3 (8.Ba3 a6 9.Bd6 Qd6 10.ba6 Na6 11.Nf3 0-0 12.Bd3 Nc7 13.Ne5=; 8.Bd3 Nbd7 9.Nf3 e5 10.de5 Ne5 11.Ne5 Be5 12.0-0 Ne4 13.Qh5=; 8.c4 dc4 9.Bc4 cb5 10.Bb5 Bd7 11.Nf3 Bb5 12.ab5 0-0 13.0-0=) 8...c5 9.dc5 Bc5 10.c4 0-0 11.Be2 Qe7 12.0-0 Rd8 13.Nbd2=.

6.d4 Bb6 7.c4 0-0 (7...Ba5 8.Bc3 (8.Nc3 0-0 9.Nf3 a6 10.Bd3 dc4 11.Bc4 Ne4 12.Qd3 Nd6 13.0-0=; 8.Nd2 Ne4 9.Ngf3 Qf6 10.Bc1 c5 11.Bd3 cd4 12.ed4 Nc5 13.Be2=) 8...Ne4 9.Ba5 Qa5 10.Nd2 a6 11.bc6 Nc6 12.Ngf3 0-0 13.Bd3=; 7...Nbd7 8.Nf3 0-0 9.Bd3 dc4 10.Bc4 Ba5 11.Nbd2 Nb6 12.Bd3 Nbd5 13.Ba3+=; 7...Ne4 8.Nc3 (8.Qc2 Ba5 9.Nc3 a6 10.Bd3 Nc3 11.Bc3 dc4 12.Bc4 Qg5 13.Bf1=) 8...Ba5 9.Qc2 a6 10.Bd3 Nc3 11.Bc3 dc4 12.Bc4 Qg5 13.Bf1=; 7...a6 8.Bd3 (8.Nc3 Ba5 9.Nf3 Ne4 10.Rc1 0-0 11.Bd3 Nc3 12.Bc3 dc4 13.Bc4=; 8.Nd2 Ba5 9.Ngf3 0-0 10.cd5 ed5 11.Be2 Bf5 12.0-0 Re8 13.Qb3=; 8.Nf3 Ba5 9.Nbd2 0-0 10.cd5 ed5 11.Be2 Re8 12.0-0 Bf5 13.Qb3=; 8.bc6 Nc6 9.Nf3 0-0 10.Be2 Ba5 11.Nbd2 dc4 12.Bc4 b6 13.0-0=; 8.Qc2 Ba5 9.Nc3 Bd7 10.cd5 Nd5 11.ba6 Na6 12.e4 Nab4 13.Qd2+=) 8...dc4 9.Bc4 Bd7 10.ba6 Na6 11.Nf3 0-0 12.0-0 Ba5 13.Ne5=; 7...c5 8.dc5 Bc5 9.cd5 0-0 10.de6 Qd1 11.Kd1 Ne4 12.Ke2 Be6 13.Nd2+/-) 8.c5 (8.Nf3 Ba5 (8...a6 9.Nbd2 Ba5 10.cd5 ed5 11.Be2 Re8 12.0-0 Bf5 13.Qb3=) 9.Bc3 Ne4 10.Ba5 Qa5 11.Nbd2 a6 12.ba6 Na6= 13.c5=; 8.Nc3 Ba5 9.Nf3 a6 10.Bd3 ab5 11.ab5 dc4 12.Bc4 cb5 13.Bb5=; 8.Nd2 Ba5 9.Ngf3 a6 10.cd5 ed5 11.Be2 Re8 12.0-0 Bf5 13.Qb3=; 8.Qc2 a6 9.Nd2 ab5 10.ab5 Ra1 11.Ba1 cb5 12.c5 Ba5 13.Ngf3+=; 8.Bc3 Ne4 9.Qc2 c5 10.a5 Bc7 11.dc5 Nc3 12.Nc3 Ba5 13.cd5=; 8.Bd3 Ba5 9.Bc3 dc4 10.Bc4 Ne4 11.Ba5 Qa5 12.Nd2 Nc3 13.Qb3=) 8...Bc7 (8...Ba5 9.Nc3+= b6 10.Bd3 bc5 11.dc5 e5 12.Nge2 Bb4 13.Rc1+=) 9.Nf3 (9.Bd3 b6 10.Nf3 bc5 11.dc5 Qe7 12.Qc2 e5 13.Be2=) 9...Ne4 (9...Ba5 10.Bc3 Ne4 11.Qc2 Nc3 12.Nc3 Bb4 13.Bd3+=) 10.Nbd2 (10.Bd3 Ba5 11.Nfd2 e5+= 12.0-0 Nd2 13.Nd2=) 10...Ba5= 11.Bd3 Nd2 (11...Qf6 12.Be4 de4 13.Ne5+=) 12.Nd2+= b6 (12...Nd7 13.Qc2 Bd2 14.Qd2+=) 13.0-0+/- Bd7 (13...a6 14.Nb3 ab5 15.ab5 cb5 16.Bc3+/-) 14.Nb3 bc5 (14...Bb4 15.Ba3 Ba3 16.Ra3+/-) 15.Na5 Qa5 16.dc5 Qc7 17.Qh5 g6 (17...f5!?+/-) 18.Qh6+- e5 19.f4 ef4?? (19...f6 20.fe5 f5+-) 20.Qg7# 1–0. Langschmidt,Dirk (2050) – Pieleck,Rudi (1670), RSS5E NoEngine–128, 2010.

6.d4 Bb6 7.Nd2 A) 7...Bd7 8.c4 (8.Ngf3 Ba5 9.c4 0-0 10.cd5 ed5 11.Be2 a6 12.0-0 cb5 13.ab5=; 8.Bd3 Ba5 9.Ne2 a6 10.bc6 Nc6 11.0-0 Nb4 12.Bc3 Nd3 13.Ba5=; 8.Ba3 Ba5 9.Bd3 Bc3 10.Rb1 Qa5 11.bc6 Bc6 12.Ne2 Qa4 13.Bd6+=; 8.Nb3 0-0 9.Bd3 Bc7 10.Nf3 a6 11.0-0 ab5 12.ab5 Ra1 13.Qa1=; 8.Be2 Ba5 9.c4 dc4 10.Bc4 Ne4 11.Ngf3 cb5 12.Bb5 Bb5 13.ab5+=) 8...Ba5 9.Ngf3 0-0 10.cd5 Nd5 11.e4 Nf6 12.Bd3 a6 13.0-0=; B) 7...c5 8.dc5 (8.Ngf3 c4 9.Bc3 a6 10.a5 Bc7 11.b6 Bd6 12.Be2 0-0 13.Ne5=) 8...Bc5 9.Ngf3 0-0 10.Bd3 Nbd7 11.0-0 Bd6 12.Qe2 Nc5 13.Be5=; C) 7...Bc7 8.Ngf3 (8.Bd3 a6 9.Ngf3 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=; 8.c4 0-0 9.Ngf3 Bd7 10.Bd3 dc4 11.Bc4 a6 12.ba6 Na6 13.0-0=; 8.Be2 Bd7 9.Ngf3 a6 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Ba3=) 8...a6 9.Bd3 Bd7 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Ba3=; D) 7...Ba5 8.Ngf3 (8.Bd3 Bd7 9.Ne2 a6 10.bc6 Nc6 11.0-0 Nb4 12.Bc3 Nd3 13.Ba5=; 8.Be2) 8...Bd7 9.c4 dc4 10.Bc4 Qb6 11.Qb3 cb5 12.ab5 Ne4 13.d5+=; E) 7...0-0 8.Ngf3 (8.Bd3 Nbd7 9.Ngf3 c5 10.dc5 Nc5 11.0-0 Bd7 12.Nb3 Nd3 13.Qd3=; 8.c4 c5 9.dc5 Bc5 10.Ngf3 Qe7 11.cd5 Nd5 12.Qc2 Nd7 13.a5=; 8.Be2 a6 9.Ngf3 Bd7 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Ba3=; 8.Ba3 Re8 9.Bd3 Nbd7 10.Ngf3 e5 11.de5 Ne5 12.Ne5 Re5 13.0-0=; 8.Qf3 a6 9.Bd3 Ba5 10.c3 Nbd7 11.Nb3 e5 12.bc6 bc6 13.Qd1+=) 8...Nbd7 9.Be2 c5 10.0-0 c4 11.Ba3 Re8 12.Bb4 Bc7 13.a5=; F) 7...a6 8.c4 (8.Bd3 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Ba3 Ba5 12.Qb2 Ne4 13.Bb4=; 8.Ngf3 Bd7 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Qa3 Na6 13.0-0=; 8.Be2 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Bb5 Bd7 12.Be2 Ba5 13.Bc3=; 8.Qf3 Bd7 9.Bd3 Ba5 10.Qg3 0-0 11.Ba3 Re8 12.ba6 Na6 13.Ngf3+=; 8.Nb3 ab5 9.ab5 Ra1 10.Qa1 Bd7 11.Nf3 cb5 12.Bd3 Na6 13.Qd1+=) 8...Bd7 9.bc6 Nc6 10.Ngf3 Ba5 11.Rb1 Rc8 12.c5 0-0 13.Ba3=.

6.d4 Bb6 7.Bd3 A) 7...Nbd7 8.Nf3 (8.Ne2 c5 9.dc5 Bc5 10.0-0 Qc7 11.a5 0-0 12.Nd2 Rd8 13.Ng3=; 8.Nd2 c5 9.dc5 Bc5 10.Ngf3 0-0 11.0-0 Bd6 12.Be2 Qe7 13.c4=; 8.Bc3 c5 9.dc5 Bc5 10.Nf3 0-0 11.0-0 Qc7 12.a5 e5 13.Be2+=) 8...c5 9.dc5 Nc5 10.0-0 0-0 11.Nbd2 Bd7 12.Nb3 Nd3 13.Qd3=; B) 7...0-0 8.Nf3 (8.Ne2) 8...Ba5 9.Nbd2 Ne4 10.0-0 Nc3 11.Qe1 a6 12.Ba3 Re8 13.ba6+=; C) 7...a6 8.Nc3 (8.Ne2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bc3 Nc6 12.Bb5 0-0 13.0-0=; 8.Nf3 Ba5 9.Nbd2 Bd7 10.Ne5 cb5 11.Nd7 Nbd7 12.ab5 ab5 13.0-0=; 8.Nd2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.Be2=; 8.Nh3 Ba5 9.Nd2 Bd7 10.bc6 Nc6 11.0-0 Rc8 12.Be2 Ne7 13.Nb3=) 8...ab5 9.ab5 Ba5 10.Nf3 cb5 11.Bb5 Bd7 12.0-0 Bc3 13.Bd7=; D) 7...Bd7 8.Nf3 Ba5 9.Bc3 Ne4 10.Be4 de4 11.Nfd2 Bc7 12.Ne4 Qh4 13.Nc5+=; E) 7...Ba5 8.Bc3 (8.Nd2 Bd7 9.Ne2 a6 10.bc6 Nc6 11.0-0 Nb4 12.Bc3 Nd3 13.Ba5=; 8.Nc3 a6 9.Nge2 cb5 10.ab5 ab5 11.Bb5 Bd7 12.0-0 Bc3 13.Nc3=) 8...a6 9.Ne2 Bc7 10.Nd2 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Qb2=.

6.d4 Bb6 7.Nf3 A) 7...a6 8.Be2 (8.Bd3 Ba5 9.Nbd2 Bd7 10.Ne5 cb5 11.Nd7 Nbd7 12.ab5 ab5 13.0-0=; 8.Nbd2) 8...Ba5 9.Nbd2 Bd7 10.ba6 Na6 11.0-0 0-0 12.Ne5 c5 13.c4+=; B) 7...Ne4 8.Bd3 (8.Be2; 8.Nfd2) 8...Qf6 9.Nbd2 Ba5 10.0-0 Nd2 11.Nd2 Nd7 12.e4 Nc5 13.e5+=; C) 7...0-0 8.Nbd2 (8.Be2 Ba5 9.Nbd2 Ne4 10.0-0 Nc3 11.Bc3 Bc3 12.Ra2 a6 13.Nb1=; 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=) 8...Bd7 9.Bd3 a6 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Ba3+=; D) 7...cb5 8.ab5 (8.Bb5) 8...Ba5 9.Bc3 Bc7 10.Bd3 Bd6 11.0-0 0-0 12.Bb2 a6 13.Ba3+=; E) 7...Nbd7 8.Be2 (8.Bd3 c5 9.dc5 Nc5 10.0-0 0-0 11.Nbd2 Bd7 12.Nb3 Nd3 13.Qd3=; 8.Nbd2; 8.c4) 8...0-0 9.0-0 Bc7 10.c4 cb5 11.ab5 dc4 12.Bc4 Re8 13.Nc3+=; F) 7...Ba5 8.Bc3 (8.Nfd2 Bd7 9.Bd3 a6 10.0-0 cb5 11.ab5 Bb5 12.Bc3 Nc6 13.Ba5+=; 8.c3 Bd7 9.Bd3 Qb6 10.Ba3 cb5 11.Bc5 Qc7 12.ab5 b6 13.Bb4=; 8.Nbd2 Bd7 9.c4 0-0 10.cd5 ed5 11.Be2 a6 12.0-0 cb5 13.ab5=) 8...Ne4 9.Ba5 Qa5 10.Nbd2 a6 11.bc6 Nc6 12.c4 0-0 13.Bd3=.

6.d4 Bd6 A) 7.Bd3 A1) 7...Nbd7 8.Ba3 (8.Nf3 a6 9.Ba3 c5 10.0-0 ab5 11.Bb5 0-0 12.c4 dc4 13.Qc2=; 8.Ne2; 8.c4) 8...Ba3 9.Ra3 e5 10.Nh3 Qa5 11.Qd2 Qd2 12.Nd2 c5 13.a5=; A2) 7...0-0 8.Ba3 (8.Nf3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 13.Nc3+=) 8...e5 9.Bd6 Qd6 10.de5 Qe5 11.Nd2 Bg4 12.Ngf3 Bf3 13.Nf3=; A3) 7...Qa5 8.Nd2 (8.Bc3; 8.Qd2) 8...Bb4 9.Ngf3 Ne4 10.c4 Nd2 11.Nd2 dc4 12.Bc4 a6 13.Bd3=; A4) 7...Bd7 8.Nf3 (8.Ba3; 8.Ne2) 8...Qb6 9.Nc3 Bb4 10.0-0 0-0 11.Ne5 Rc8 12.Rb1 Qa5 13.Ne2=; A5) 7...cb5 8.ab5 a6 9.Nf3 Bd7 10.0-0 0-0 11.Nbd2 Qe7 12.Ne5 Bb4 13.Qe2+=; A6) 7...a6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Nc3 Qa5 12.0-0 Bd7 13.e4=; B) 7.Ba3 e5 8.Bd6 (8.Nf3 e4 9.Ne5 Be5 10.de5 Ng4 11.Bb2 Qh4 12.g3 Qg5 13.c4-/+; 8.Be2 a6 9.Nf3 e4 10.Nfd2 0-0 11.0-0 b6 12.Bd6 Qd6 13.ba6=; 8.c3 Bc7 9.Be2 e4 10.Nd2 a6 11.bc6 Nc6 12.Rb1 Rb8 13.Rb2+=; 8.Bd3 e4 9.Bd6 Qd6 10.Be2 0-0 11.Nd2 Be6 12.Rb1 c5 13.Nb3+=) 8...Qd6 9.Nf3 e4 10.Ne5 Nbd7 11.bc6 bc6 12.Nd7 Bd7 13.c4=; C) 7.Nf3 C1) 7...Nbd7 8.Be2 (8.c4 c5 9.dc5 Nc5 10.cd5 ed5 11.Be2 0-0 12.0-0 Re8 13.a5=; 8.Bd3; 8.Nbd2) 8...Qa5 9.Nbd2 0-0 10.0-0 Qc7 11.c4 b6 12.a5 ba5 13.c5+=; C2) 7...0-0 8.Ba3 (8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=; 8.c4 b6 9.Ba3 a6 10.c5 bc5 11.dc5 Be7 12.b6 Nbd7 13.Qc2=; 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=) 8...Ba3 9.Ra3 a6 10.bc6 Nc6 11.Bd3 b6 12.0-0 Nb4 13.Ne5=; C3) 7...Qa5 8.Nbd2 (8.Bc3; 8.Qd2; 8.c3) 8...Nbd7 9.Bd3 c5 10.dc5 Nc5 11.0-0 0-0 12.Bf6 gf6 13.Nb3=; C4) 7...Ne4 8.Ba3 (8.Nbd2 Nd2 9.Qd2 a6 10.c4 dc4 11.Bc4 ab5 12.ab5 Ra1 13.Ba1=; 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Nbd2 Nd2 13.Nd2=; 8.Nfd2 f5 9.Ba3 0-0 10.Bd6 Qd6 11.Bd3 e5 12.0-0 ed4 13.ed4=; 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=) 8...Qa5 9.c3 Bd7 10.Bd3 cb5 11.ab5 0-0 12.Be4 de4 13.Ng5+=; C5) 7...Bd7 8.Ba3 (8.Bd3; 8.c4; 8.Be2; 8.Ne5) 8...Ne4 9.Bd3 Qa5 10.Nfd2 Nd2 11.Qd2 Qd2 12.Nd2 Bc7 13.e4+=; C6) 7...a6 8.c4 (8.Be2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.0-0=) 8...b6 9.Nc3 0-0 10.Bd3 dc4 11.Bc4 Bb7 12.0-0 Qc7 13.Bd3=.

6.d4 Be7 A) 7.Bd3 A1) 7...Nbd7 8.Nf3 (8.Nd2 c5 9.dc5 Nc5 10.Ngf3 Bd7 11.0-0 0-0 12.Nb3 Nd3 13.Qd3=; 8.Ne2 c5 9.dc5 Nc5 10.0-0 0-0 11.Nd2 Bd6 12.Nf3 Nfe4 13.c4=) 8...c5 9.dc5 Nc5 10.0-0 0-0 11.Bd4 a6 12.Nc3 b6 13.Qe2=; A2) 7...Qa5 8.Nd2 (8.Qd2 Qc7 9.Ba3 e5 10.de5 Qe5 11.Qc3 Qg5 12.g3 Ba3 13.Ra3=; 8.Bc3) 8...Nbd7 9.Ngf3 c5 10.c4 cd4 11.Bd4 dc4 12.Bc4 0-0 13.0-0+=; A3) 7...Bd7 8.Ba3 (8.Nf3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nbd2 0-0 13.Ne5+=; 8.Ne2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nf4 b4 13.Qf3+=; 8.Nh3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nf4 b4 13.Qf3+=) 8...a6 9.Be7 Qe7 10.bc6 Nc6 11.Nf3 e5 12.de5 Ne5 13.Nbd2=; A4) 7...0-0 8.Ne2 (8.Nf3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 13.Nc3+=; 8.Ba3 a6 9.Be7 Qe7 10.Nd2 c5 11.dc5 Nbd7 12.Ngf3 Nc5 13.0-0+=; 8.Qf3 Qa5 9.Bc3 Qc7 10.Ne2 Bd6 11.Nf4 Nbd7 12.0-0 e5 13.de5+=; 8.Nd2 a6 9.Ngf3 Bd7 10.Ne5 ab5 11.ab5 Ra1 12.Qa1 cb5 13.0-0+=; 8.Nh3 Bd6 9.Nf4 a6 10.bc6 Nc6 11.0-0 Qc7 12.Qf3 Re8 13.Nh5=) 8...Bd6 9.Ba3 e5 10.Bd6 Qd6 11.de5 Qe5 12.Nd2 Bg4 13.0-0=; A5) 7...Qc7 8.Nf3 (8.Ba3 e5 9.Be7 Qe7 10.de5 Qe5 11.Ra3 Bg4 12.Nf3 Qh5 13.Nbd2=; 8.Nd2 a6 9.Ngf3 0-0 10.c4 dc4 11.Bc4 ab5 12.ab5 Ra1 13.Qa1=) 8...a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nc3 b4 13.Nb5=; A6) 7...a6 8.Nf3 (8.Ne2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.Bc3+=; 8.Nd2 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Ngf3 b4 12.e4 de4 13.Ne4+=; 8.Nh3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Qc7 13.0-0+=; 8.Qf3 Qa5 9.Nc3 Qb4 10.Rb1 ab5 11.Ba1 Qa5 12.ab5 Bb4 13.Kd2-/+; 8.Nc3 Qc7 9.Nf3 cb5 10.ab5 Bb4 11.0-0 Bc3 12.b6 Qb6 13.Bc3=) 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.0-0=; B) 7.Ba3 B1) 7...0-0 8.Be7 (8.Bd3 a6 9.Be7 Qe7 10.Nd2 c5 11.dc5 Nbd7 12.Ngf3 Nc5 13.0-0+=; 8.Nf3 Ba3 9.Ra3 a6 10.bc6 Nc6 11.Bd3 Qa5 12.Qd2 Qc7 13.0-0=) 8...Qe7 9.Nf3 c5 10.dc5 Qc5 11.Bd3 e5 12.Ne5 a6 13.ba6+/-; B2) 7...Bd7 8.Be7 (8.Bd3 Ba3 9.Ra3 a6 10.bc6 Nc6 11.Nf3 Qa5 12.Nbd2 Nb4 13.0-0=; 8.c3 Ba3 9.Ra3 0-0 10.Bd3 a6 11.Nf3 ab5 12.ab5 Ra3 13.Na3=; 8.Nd2 Ba3 9.Ra3 Qa5 10.c3 0-0 11.Ngf3 cb5 12.Qb3 ba4 13.Qb7-/+) 8...Qe7 9.Nd2 0-0 10.Ngf3 c5 11.Be2 c4 12.0-0 a6 13.b6=; B3) 7...a6 8.ba6 (8.Be7 Qe7 9.Nd2 e5 10.de5 Qe5 11.Ngf3 Qc3 12.bc6 Nc6 13.Bd3+=; 8.bc6 Nc6 9.Be7 Qe7 10.Nf3 0-0 11.Bd3 e5 12.de5 Ne5 13.0-0=) 8...Na6 9.Be7 Qe7 10.Nf3 0-0 11.a5 Bd7 12.Be2 c5 13.0-0=; B4) 7...Qa5 8.c3 (8.Nd2 Ba3 9.Ra3 0-0 10.Ngf3 Bd7 11.bc6 Nc6 12.Bd3 Nb4 13.0-0=) 8...Ba3 9.Ra3 Nbd7 10.Nf3 c5 11.Bd3 0-0 12.0-0 c4 13.Bc2=; B5) 7...Ba3 8.Ra3 (8.Na3 Ne4 9.Bd3 Qa5 10.Kf1 0-0 11.Be4 de4 12.c4 Nd7 13.Qc2=) 8...a6 9.ba6 b6 10.a5 ba5 11.Qd2 Qb6 12.Rb3 Qc7 13.Ra3=; B6) 7...Nbd7 8.Be7 Qe7 9.Nf3 e5 10.Be2 0-0 11.0-0 e4 12.Nfd2 c5 13.a5=; C) 7.Be2 C1) 7...Qa5 8.Qd2 (8.Nd2 Bd7 9.Bd3 Ne4 10.Be4 de4 11.Qg4 Bb4 12.Rd1 Bf8 13.Qe4=; 8.Bc3 Qc7 9.Nf3 Ne4 10.Bb2 Bb4 11.Nfd2 0-0 12.0-0 Nd2 13.Nd2=) 8...Qc7 9.Nf3 0-0 10.0-0 a6 11.Ba3 Ne4 12.Qd3 Nd6 13.bc6=; C2) 7...Ne4 8.Nf3 (8.Nd2) 8...Qa5 9.c3 0-0 10.0-0 c5 11.c4 Rd8 12.cd5 ed5 13.dc5+=; C3) 7...0-0 8.Ba3 (8.Nf3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 13.Nc3+=; 8.Nh3 Qc7 9.0-0 Bd6 10.f4 a6 11.Ba3 c5 12.Nd2 b6 13.Bf3+=) 8...Qa5 9.c3 Re8 10.Nf3 Nbd7 11.0-0 c5 12.c4 cd4 13.Be7=; C4) 7...Bd7 8.c4 (8.Bd3 cb5 9.ab5 Qb6 10.Qe2 Na6 11.Ba3 Nb4 12.Bb4 Bb4 13.c3=; 8.Nf3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bd3 b4 13.Ne5+=; 8.Nh3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bd3 0-0 13.Nf4+=) 8...a6 9.ba6 Na6 10.Nf3 dc4 11.Bc4 0-0 12.0-0 Nb4 13.Ne5=; C5) 7...Nbd7 8.Nd2 (8.Nf3 0-0 9.0-0 a6 10.Ba3 c5 11.c4 b6 12.Nbd2 Bb7 13.cd5=) 8...a6 9.Ngf3 cb5 10.ab5 0-0 11.0-0 Ne4 12.c4 Nd2 13.Qd2+=; C6) 7...a6 8.bc6 (8.Nf3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.0-0=) 8...Nc6 9.Nf3 0-0 10.0-0 b6 11.Ba3 Bb7 12.Be7 Qe7 13.Bd3=; D) 7.Nd2 D1) 7...a6 8.c4 (8.Bd3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Be2 0-0 13.Ngf3=; 8.bc6 Nc6 9.Ba3 e5 10.de5 Ne5 11.Be7 Qe7 12.Ngf3 Bg4 13.Be2=; 8.Be2 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Bb5 Bd7 12.Be2 0-0 13.Ngf3=; 8.ba6 b6 9.Ba3 Ba6 10.c4 Ba3 11.Ra3 dc4 12.Nc4 Qd5 13.Nd2+=; 8.Ngf3 0-0 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 Qc7 13.c4=) 8...0-0 9.bc6 Nc6 10.Ngf3 b6 11.Ba3 Bb7 12.Be7 Ne7 13.Bd3=; D2) 7...0-0 8.Bd3 (8.Ngf3 a6 9.Bd3 Bd7 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Rb1+=; 8.Ba3 Ba3 9.Ra3 Qa5 10.Ngf3 Bd7 11.bc6 Nc6 12.Be2 Ne4 13.Bd3=; 8.c4 a6 9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 Bd7 12.bc6 Bc6 13.Ne5=; 8.Be2 Bd7 9.Ba3 Ba3 10.Ra3 Qa5 11.bc6 Bc6 12.Ngf3 Rc8 13.c3=; 8.Nh3 a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 Qc7 13.c4+=) 8...a6 9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 Qc7 13.c4=; D3) 7...Nbd7 8.c4 (8.Ngf3 0-0 9.Be2 Qc7 10.0-0 c5 11.dc5 Rd8 12.c6 bc6 13.c4=; 8.Bd3; 8.Be2; 8.Ba3) 8...0-0 9.Ngf3 c5 10.Be2 cd4 11.Bd4 Qc7 12.cd5 e5 13.Rc1+/-; D4) 7...b6 8.Ngf3 (8.Bd3 a6 9.Ngf3 Bd7 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Ne5=) 8...a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 Bd7 13.Bd3=; D5) 7...Bb4 8.Bd3 (8.Ngf3 Ne4 9.Bd3 Qa5 10.c4 Nd2 11.Nd2 dc4 12.Bc4 a6 13.Bd3=; 8.c3; 8.Be2) 8...Qa5 9.Ngf3 Ne4 10.c4 0-0 11.Ba3 Nd2 12.Nd2 Ba3 13.Ra3=; D6) 7...Bd7 8.Ba3 (8.Ngf3 0-0 9.Bd3 a6 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Rb1+=) 8...Ba3 9.Ra3 Qa5 10.bc6 Bc6 11.Ngf3 0-0 12.Bd3 Rc8 13.c3=; E) 7.Nf3 E1) 7...Qa5 8.c3 (8.Bc3 Qc7 9.Bd3 Nbd7 10.0-0 0-0 11.Bb2 c5 12.dc5 Bc5 13.Nbd2=; 8.Qd2 Qc7 9.Bd3 Ne4 10.Qe2 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1=; 8.Nfd2 0-0 9.Bd3 Nbd7 10.0-0 Qc7 11.c4 Bd6 12.f4 c5 13.Qf3=; 8.Nbd2 Ne4 9.Bd3 Bb4 10.c4 Nd2 11.Nd2 Bd7 12.cd5 ed5 13.Qc2=) 8...c5 9.dc5 Bc5 10.Nbd2 Be7 11.c4 0-0 12.Rc1 Nbd7 13.Bc3=; E2) 7...Nbd7 8.Nbd2 (8.Bd3 c5 9.dc5 Nc5 10.0-0 0-0 11.Be5 Nfe4 12.a5 f6 13.Bb2+=; 8.Be2 0-0 9.0-0 a6 10.Ba3 c5 11.c4 b6 12.Nbd2 Bb7 13.cd5=; 8.c4) 8...0-0 9.Be2 cb5 10.ab5 a6 11.0-0 Ne4 12.c4 Nd2 13.Qd2+=; E3) 7...Bd7 8.Be2 (8.Ne5 Qa5 9.Bc3 Qb6 10.a5 Qd8 11.a6 b6 12.Nd7 Qd7 13.bc6=; 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nbd2 0-0 13.Ne5+=; 8.c4) 8...a6 9.ba6 Na6 10.0-0 0-0 11.Ne5 Qa5 12.Nd2 Qc7 13.c4=; E4) 7...0-0 8.Ne5 (8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 13.Nc3+=; 8.Ba3 a6 9.Be7 Qe7 10.Nbd2 c5 11.Be2 Qc7 12.dc5 ab5 13.ab5=; 8.c4 a6 9.Nc3 Qa5 10.Qc2 Bb4 11.Nd2 Nbd7 12.Bd3 e5 13.0-0=; 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 13.Nc3+=; 8.Nbd2) 8...Ne4 9.Bd3 f6 10.Nf3 c5 11.0-0 a6 12.c4 Nd6 13.Nbd2+=; E5) 7...a6 8.Be2 (8.Bd3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Nc6 13.0-0=) 8...ab5 9.ab5 Ra1 10.Ba1 Bd7 11.bc6 Nc6 12.0-0 0-0 13.c4=; E6) 7...Qb6 8.Ba3 (8.Bd3 Bd7 9.Qe2 cb5 10.ab5 Na6 11.Ne5 Nb4 12.Nd7 Nd7 13.0-0=) 8...Ba3 9.Ra3 Bd7 10.c4 dc4 11.Bc4 cb5 12.ab5 Bb5 13.Qb3=.

6.d4 Bf8 A) 7.Nf3 A1) 7...a6 8.Bd3 (8.Nbd2 Bd6 9.c4 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Qa1 Bd7 13.bc6=; 8.Be2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Bd6 13.0-0=; 8.Ne5 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.c3 Bd6 12.Bd3 Qg5 13.0-0=) 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Bd6 13.0-0=; A2) 7...Qa5 8.Bc3 (8.Nbd2; 8.c3; 8.Qd2) 8...Qc7 9.Bd3 Bd6 10.0-0 Nbd7 11.Bb2 0-0 12.Nbd2 Ng4 13.h3=; A3) 7...Bb4 8.c3 Bd6 9.Ba3 Ba3 10.Ra3 0-0 11.Bd3 c5 12.dc5 Qe7 13.c4=; A4) 7...Nbd7 8.Nbd2 (8.Bd3 Bb4 9.Nbd2 c5 10.c3 Ba5 11.c4 cd4 12.Bd4 e5 13.Ne5=) 8...Bd6 9.c4 c5 10.dc5 Nc5 11.cd5 ed5 12.Be2 0-0 13.0-0+=; A5) 7...cb5 8.ab5 (8.Bb5 Bd7 9.Ba3 Bb5 10.Bf8 Bf1 11.Bg7 Bg2 12.Rg1 Bf3 13.Qf3=) 8...Bb4 9.Bc3 Bd6 10.Bd3 0-0 11.0-0 Qc7 12.Ra4 a5 13.Bb2=; A6) 7...Bd7 8.c4 (8.Ne5 a6 9.Bd3 ab5 10.ab5 Ra1 11.Ba1 cb5 12.0-0 Bd6 13.Bb2=; 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nbd2 Na6 13.Ne5=; 8.Nbd2 a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Ne5 Bd6 13.Qa7=) 8...Ne4 9.Bd3 Bb4 10.Nbd2 Nd2 11.Nd2 dc4 12.Bc4 Qa5 13.Bd3=; B) 7.Bd3 B1) 7...Bb4 8.c3 Bd6 9.Ba3 Ba3 10.Ra3 0-0 11.Nf3 c5 12.dc5 Qc7 13.0-0+=; B2) 7...a6 8.Nf3 (8.Nd2 ab5 9.ab5 Ra1 10.Ba1 Bd6 11.Ngf3 cb5 12.Bb5 Bd7 13.Bd3=; 8.Ne2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.0-0 b4 12.f3 Be7 13.e4+=) 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Bd3 Bd6 13.0-0=; B3) 7...Qa5 8.Qd2 (8.Bc3; 8.Nd2; 8.c3) 8...Qc7 9.Ne2 Nbd7 10.bc6 Qc6 11.Qc3 Ne4 12.Be4 de4 13.Ba3=; B4) 7...cb5 8.ab5 Bb4 9.Bc3 Bd6 10.Nf3 0-0 11.0-0 a5 12.ba6 ba6 13.Ba5=; B5) 7...Ne4 8.Ba3 Ba3 9.Ra3 e5 10.Nf3 ed4 11.ed4 Bg4 12.0-0 0-0 13.Re1=; B6) 7...Bd7 8.Nf3 (8.Ba3 Ba3 9.Ra3 a6 10.bc6 Nc6 11.Nf3 Qa5 12.Nbd2 Nb4 13.0-0=; 8.Ne2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.f3 Bd6 13.Nd2+=; 8.Nd2 a6 9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Ne5 Bd6 13.Qa7=) 8...a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nbd2 Na6 13.Ne5=; C) 7.Be2 C1) 7...a6 8.Nf3 (8.Nd2 ab5 9.ab5 Ra1 10.Ba1 Bd6 11.Ngf3 cb5 12.Bb5 Bd7 13.Bd3=; 8.bc6 Nc6 9.Nf3 Bb4 10.Nbd2 Ne4 11.0-0 Nc3 12.Bc3 Bc3 13.Ra2=) 8...ab5 9.ab5 Bb4 10.Nbd2 Ra1 11.Qa1 Ne4 12.Qa4 Qe7 13.Qb3=; C2) 7...Qb6 8.c4 (8.Ba3 Ba3 9.Ra3 Bd7 10.a5 Qc7 11.b6 Qd8 12.ba7 Ra7 13.Qd2=) 8...cb5 9.ab5 dc4 10.Bc4 Bd7 11.Qa4 Bd6 12.Ba3 0-0 13.Bd6=; C3) 7...Ne4 8.Nf3 Qa5 9.c3 Bd6 10.0-0 0-0 11.c4 Nd7 12.Qc2 Qc7 13.c5+=; C4) 7...Qa5 8.Nd2 (8.Bc3 Qc7 9.Nf3 Ne4 10.Bb2 Bb4 11.Nbd2 Nc3 12.Bc3 Bc3 13.Ra3=) 8...Bd7 9.Ngf3 Be7 10.0-0 0-0 11.c4 Rc8 12.Nb3 Qd8 13.c5+=; C5) 7...Bd7 8.Nf3 cb5 9.ab5 Qb6 10.Nc3 Bb4 11.0-0 Bc3 12.Bc3 Bb5 13.Qb1=; C6) 7...cb5 8.ab5 Bb4 9.Bc3 Bd6 10.Nf3 0-0 11.0-0 Qc7 12.Bd3 a5 13.ba6=; D) 7.Ba3 D1) 7...Qa5 8.c3 (8.Nd2 Ba3 9.Ra3 Bd7 10.bc6 Bc6 11.Bd3 Ba4 12.Qa1 b5 13.Bb5=) 8...Ba3 9.Ra3 Nbd7 10.Nf3 c5 11.Bd3 0-0 12.0-0 c4 13.Bc2=; D2) 7...Ba3 8.Ra3 (8.Na3 Ne4 9.Bd3 Qa5 10.Kf1 0-0 11.Be4 de4 12.c4 Nd7 13.Qc2=) 8...a6 9.ba6 b6 10.a5 ba5 11.Qd2 Qb6 12.Rb3 Qc7 13.Ra3=; E) 7.Nd2 E1) 7...Bb4 8.c3 (8.Ngf3 Ne4 9.Bd3 Qa5 10.c4 a6 11.Be4 de4 12.Ng5 f5 13.bc6=; 8.Bd3 Qa5 9.Ngf3 Ne4 10.c4 Nd2 11.Nd2 dc4 12.Bc4 a6 13.Bd3=; 8.Be2 a6 9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 Ne4 12.Qa4 Qe7 13.Qb3=) 8...Bd6 9.Ba3 Ba3 10.Ra3 Qe7 11.Rb3 0-0 12.Ngf3 c5 13.dc5=; E2) 7...Bd6 8.Ba3 e5 9.Bd6 Qd6 10.de5 Qe5 11.Ngf3 Qc3 12.Bd3 Nbd7 13.0-0=; E3) 7...Qa5 8.Ngf3 Bb4 9.c4 0-0 10.Bd3 Ne4 11.Ba3 Nd2 12.Nd2 Ba3 13.Ra3=; E4) 7...a6 8.ba6 (8.Bd3 Bd6 9.Ngf3 ab5 10.ab5 Ra1 11.Ba1 cb5 12.0-0 b4 13.e4=; 8.Be2 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Bb5 Bd7 12.Be2 b5 13.Ngf3=; 8.Ngf3 ab5 9.ab5 Ra1 10.Qa1 Bd7 11.Bd3 cb5 12.Ne5 Bd6 13.Qa7=) 8...Na6 9.Ngf3 Qa5 10.Ba3 Ba3 11.Ra3 0-0 12.Be2 Ne4 13.Bd3=; E5) 7...Be7 8.Ngf3 (8.Bd3 a6 9.Ngf3 Bd7 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Rb1=; 8.Ba3 Ba3 9.Ra3 0-0 10.Ngf3 Qa5 11.bc6 Nc6 12.Bd3 b6 13.Bb5=; 8.Be2 Bd7 9.Ba3 Ba3 10.Ra3 Qa5 11.bc6 Bc6 12.Ngf3 Nbd7 13.0-0=; 8.c4 a6 9.Ngf3 0-0 10.bc6 Nc6 11.Ba3 Ba3 12.Ra3 b6 13.Bd3=; 8.Nh3 a6 9.Bd3 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3=) 8...a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 Bd7 13.Be2=; E6) 7...Bd7 8.c4 (8.Ngf3 a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.0-0 Na6 13.Ne5=; 8.Bd3 a6 9.Ngf3 ab5 10.ab5 Ra1 11.Qa1 cb5 12.Qa8 Qc7 13.0-0=; 8.Ba3 Ba3 9.Ra3 Qa5 10.bc6 Bc6 11.Ngf3 0-0 12.Bd3 Rc8 13.c3=) 8...Bb4 9.Ngf3 a6 10.bc6 Bc6 11.Be2 dc4 12.Bc4 Nbd7 13.0-0=; F) 7.c4 F1) 7...Ne4 8.c5 (8.Nc3 Bb4 9.Rc1 Qa5 10.Qb3 0-0 11.Bd3 dc4 12.Bc4 Nd6 13.Bd3+=; 8.Bc3 a6 9.ba6 b6 10.Bd3 Nc3 11.Nc3 dc4 12.Bc4 Ba6 13.Ba6=; 8.Qb3 Qh4 9.Qc2 Bb4 10.Nc3 Qg4 11.Nf3 0-0 12.Ne5 Qg5 13.h4=; 8.Qc2 Bb4 9.Nc3 Qa5 10.Rc1 Bd7 11.Nge2 a6 12.bc6 Bc6 13.cd5+=) 8...Qa5 9.Nd2 e5 10.Ngf3 ed4 11.ed4 Be7 12.Bd3 Bf6 13.Qc2+=; F2) 7...dc4 8.Nc3 (8.Bc4 a6 9.Nf3 Bb4 10.Nbd2 ab5 11.ab5 Ra1 12.Qa1 Ne4 13.bc6=; 8.Qc2) 8...cb5 9.ab5 Bd6 10.Nf3 Qc7 11.Qa4 Nbd7 12.Qc4 Qd8 13.Bd3+=; F3) 7...Be7 8.Nc3 (8.Ba3 Qa5 9.Nd2 Ba3 10.Ra3 0-0 11.Ngf3 cb5 12.cb5 a6 13.Ne5=; 8.Nf3 0-0 9.Bd3 dc4 10.Bc4 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1=) 8...Bb4 9.Qb3 Qa5 10.Bd3 dc4 11.Bc4 Nd5 12.Nge2 0-0 13.0-0+=; F4) 7...Qc7 8.Nf3 Ne4 9.Nbd2 Bb4 10.Bd3 Nd2 11.Nd2 dc4 12.Bc4 a6 13.0-0+=; F5) 7...Bd7 8.Nf3 Ne4 9.Bd3 Bb4 10.Nbd2 Nd2 11.Nd2 dc4 12.Bc4 a6 13.ba6=; F6) 7...a6 8.bc6 (8.Nc3 Bb4 9.Qb3 Qa5 10.bc6 Nc6 11.Rc1 Bd7 12.Nf3 Nd8 13.Nd2=; 8.Qb3 Ne4 9.ba6 Qa5 10.Nc3 b6 11.a7 Nd7 12.f3 Nef6 13.Bd3=; 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.Qa4 Bd7 12.Bd3 cb5 13.cb5=; 8.c5 ab5 9.ab5 Ra1 10.Ba1 b6 11.bc6 bc5 12.Qa4 Qc7 13.dc5=; 8.ba6 b6 9.a5 ba5 10.Bc3 Ba6 11.Ba5 Qc8 12.Bc3 Nbd7 13.Nf3=) 8...Nc6 9.Nf3 Bb4 10.Bc3 Be7 11.cd5 ed5 12.Bd3 0-0 13.0-0=.

6.Nf3= Bd7 7.Bd3 (7.Be2 a6=) 7...a6 8.Nc3 (8.0-0 0-0=) 8...b6 (8...0-0 9.Ne5=) 9.Ne5 (9.Qe2 ab5 10.ab5 Ra1 11.Ba1 0-0=) 9...d4 (9...Qc7!? 10.Ng4 Be7=) 10.Ne4+= de3 11.de3 (worse is 11.fe3 Ne4 12.Qg4 Nd6-/+; worse is 11.Nd7 A) worse is 11...Nbd7 12.Nf6 (12.fe3? Ne4 13.Qf3 Ng5–+) 12...Nf6 13.fe3+=; B) 11...ef2 12.Nf2 Qd7+=) 11...Ne4 (11...ab5 12.Nf6 gf6 13.Nd7 Nd7 14.ab5 Ra1 15.Qa1 Bb4 16.Ke2 c5+/-) 12.Be4+/- ab5 13.ab5 Ra1 14.Ba1 cb5 15.Qg4 (better is 15.Nd7 Nd7 16.Bg7+/-) 15...0-0?? (better is 15...Bb4 16.Ke2 Bf8+/-) 16.Nc6! e5 (16...Nc6 17.Qg7 Mate attack; 16...Bc6 17.Qg7 Mate attack) 17.Qh5 (17.Nd8 Bg4 18.Nb7 Bb4 19.c3 Be7+=) 17...g6 (17...Bb4 18.Kf1 h6 19.Nd8 Rd8 20.Be5+-) 18.Qe5 (18.Qe5 f6 19.Qd5 Kg7 20.Nd8 Rd8 21.Qb7+-; 18.Nd8 gh5 19.Nb7 Bc6 20.Nc5 bc5+=) 1–0. pcmvr (2530) – tata (2085), net–chess.com, 2006.

6.Nf3 Nbd7 7.Be2 0-0 8.0-0 Bd6 9.c4 cb5 (9...Nc5 10.Qc2=) 10.ab5+= b6 (10...Nb6 11.d3+=) 11.cd5 Nd5 (11...ed5 12.Nd4+=) 12.d4+- Bb7 13.Nbd2 N7f6? (better 13...Qe7+-) 14.e4+- Nf4 15.e5 Ne2 (15...Bb4 16.ef6 Qf6 17.Ra4 Bd2 18.Qd2 (18.Nd2?! Bg2 19.Ra3 Bf1 20.Bf1 Rac8=) 18...Ne2 19.Qe2 Bf3 20.Qf3 Qf3 21.gf3+-) 16.Qe2 Nd5 (16...Bb4 17.ef6 Qf6+-) 17.ed6 Qd6 (17...Nb4 18.Qc4 Qd6 19.Ba3+-) 18.Ba3 Qf4 (18...Qd8 19.Bf8 Qf8 20.Rfe1+-) 19.Bf8 Rf8 (19...Kf8 20.g3 Qc7 21.Rfc1+-) 20.Ra7 Nc3 (20...Qg4 21.g3 (21.Rb7 Nf4 22.g3 Ne2 23.Kg2 Nf4 24.Kg1 Nd5–+) 21...Nf4 22.Qe3 Nh3 23.Kg2+-) 21.Qd3 Bf3 22.Nf3 (22.Qf3?! Qd2 23.Rd7 Nd5+-) 22...Nd5 23.Ne5 f6 (23...Qf5 24.Qf5 ef5 25.Rc1+-) 24.g3 Qg5 (24...Qf5 25.Qf5 ef5 26.Nc4+-) 25.Nd7 Rd8 (25...Rc8 26.Re1 h5 27.Rb7+-) 26.Qc4 Nf4 (26...Qg4 27.Nb6! Nb6 28.Qc7+-) 27.Nb6 Nh3 (27...h5 28.Kh1 Kh8 29.gf4 Qf4 30.Qe2+-) 28.Kh1 Qf5 (28...Kh8 29.Nd7 h6 30.b6+-) 29.f3 h5 30.Qc7 Nf2 31.Rf2 Qb1 (31...Qg6 32.Qd8 Kh7 33.Nd7 Qb1 34.Kg2 Kh6 35.Nf8 e5 36.Qc7 Qg6 37.Ng6 h4 38.Qg7 Kh5 39.Nh4 ed4 40.Qg6) 32.Kg2 Qg6 (32...Rd7 33.Nd7 Qf5 34.Qd8 Kh7 35.Nf6 Kg6 36.Qe8 Kh6 37.Qh8 Qh7 38.Qh7 Kg5 39.Ne4) 33.Qd8 (33.Qd8 Kh7 34.Nd7 Kh6 35.Nf8 Qb1 36.Qc7 Qg6 37.Ng6 Kg6 38.Qg7 Kf5 39.Ra6 e5 40.Qf6) 1–0. DEFFM – Kingnasirzero, freechess.org, 2020.

6.f4 0-0 7.Nf3 a6 8.c4 (8.Be2 Bd7=) 8...ab5 9.ab5 Ra1 10.Ba1 Qb6 (10...dc4 11.Bc4 cb5 12.Bb5=) 11.Nc3 (11.Bf6 gf6 12.bc6 bc6 13.cd5 cd5=) 11...cb5 12.cb5 Rd8 (12...Be7 13.Be2=) 13.Be2 (better is 13.Na4 Qc7 14.Nc5 Qc5 15.Bf6 gf6 16.d4 Qb4 17.Qd2 Qb1 18.Kf2+/-) 13...d4? (better is 13...Be7=) 14.Na4+- Qd6 15.Nc5 Qc5 16.Bd4 Qh5 (16...Qf5 17.0-0+-) 17.0-0 Nbd7 (17...Nd5 18.Ng5 Qh4 19.Bh5+-) 18.Ne5 Qh6 19.Rf3 g6 (19...Ne5 20.fe5 Nd5 21.Qf1+-) 20.Qe1 Ne5 21.Be5 Nd7 22.Rh3 Qf8 23.Qh4 h5 (23...h6 24.Bd6 g5 25.fg5 Qd6 26.gh6 Qf8 27.h7 Kh8+-) 24.Bh5! Ne5 25.Bg6 Kg7 26.fe5 1–0. spblex (2375) – johnrbrown (2295), net–chess.com, 2009.

6.f4 0-0 7.Nf3 Ne4 8.Be2 Nd7 9.0-0 cb5 10.ab5 Nb6 11.Qe1 Bd7 12.Kh1 Nc4 13.Bc4 dc4 14.d3 cd3 15.cd3 Nf6 16.Nc3 Bb4 17.Ne5 Bb5 18.Qg3 Bd3?? 19.Rfd1+/- Bc3 20.Rd3?? Ne4 21.Qf3 Qc7?? 22.Bc3 Nc3 23.Rc1 f6? 24.Ng4 f5 25.Ne5 Qa5 26.Rdc3 Rad8 27.h3 Rd2 28.R3c2 Rfd8 29.Qb7 Rc2 30.Rc2 Qe1 31.Kh2 Qe3 32.Qf7 (32.Qf7 Kh8 33.Rc4+-) 1–0. elsh1403 – lenja, kurnik, 2011.

7.c4 dc4 8.Bc4 cb5 9.ab5 Bd7 10.d4 Bb4 11.Bc3 Bd6 12.Ne5 Be5 (12...Nd5 13.Bd3=) 13.de5+= Ne4 14.0-0 Qc7 15.Qd3 Nc3 16.Nc3 (16.Qc3 Rc8 17.Rc1=) 16...Qc5 Attacks the isolani on b5 (better is 16...Rc8!? 17.b6 Qb6=) 17.f4 Rc8 18.Ra4 a6 19.Ne4 Qb6 20.Nd6 Rc5 21.Rb1 a5 22.Qe2 Nc6 (better is 22...Rc7+/-) 23.Qd3 (23.Ne4!? Rc4 24.Rc4 Nb4+-) 23...Ne7 (23...Nb8 24.Qe4 Rc7+-) 24.Nf7?? (better is 24.Qd4 Nd5 25.f5+/-) 24...Kf7-/+ 25.Qd7 Rd8 26.Be6? (26.Qe6 Qe6 27.Be6 Ke6 28.Ra5–+) 26...Kf8–+ 27.Qd8 Qd8 28.Rd4 Qb6 29.Rd6 Qc7 (29...Nc6!? 30.Kf2–+) 30.Rbd1 (better is 30.Rd7 Qb8 31.Rbd1–+) 30...g6?? (better is 30...Rc1 31.Rc1 Qc1 32.Kf2 Qb2 33.Kf3 Ng6–+) 31.Rd8 (better is 31.b6!? Qc6 32.Rc6 Rc6 33.Rd8 Kg7 34.Rd6+-) 31...Kg7+/- 32.R8d7 Qd7?? (better is 32...Qb6 33.Re7 Kf8 34.Rf7 Ke8+/-) 33.Rd7+- (33.Bd7?! Nd5+-) 33...Kf8 34.Rb7 Rc1 35.Kf2 Rc2 36.Kf3 a4 (36...Rc5 37.g4 h5 38.gh5 gh5 39.Ke4+-) 37.Rb8 Kg7 38.Ra8 (38.e4 Rc3 39.Ke2 a3+-) 38...Rb2 (38...Rc5 39.Ra7 Kf8 40.b6+-) 39.Bd7 (better is 39.Re8!? Nf5 40.Rg8 Kh6 41.Bf5 gf5+-) 39...Nd5 40.Ra4 Nc3 (40...Rb3 41.Ra7 Kh8 42.Bc6 Ne3 43.e6 Nf5 44.Kg4+-) 41.Ra7 1–0. Baer,Cy (1895) – Pieleck,Rudi (1770), RSX5E – Light–1, 2007.

7.c4 Nbd7 8.Be2 Nb6 9.d3 (9.cd5 Nbd5 10.Qc1 Bd6=) 9...dc4+= 10.dc4 Qd1 11.Kd1 Ne4 12.Ke1 Nd6 (12...Rd8!? 13.Kf1 cb5 14.cb5 Nd5=) 13.Nbd2+= Rd8 14.a5 Nd7 15.Ne5 (15.bc6!? bc6 16.Nd4+=) 15...Ne5 16.Be5 Bb4 17.Bd6 Rd6 (17...Bd6?! 18.Bd3=) 18.Ra2 cb5 19.cb5 e5 20.Bc4 Be6 21.Be6 fe6?? (better is 21...Rad8 22.Bg4 Rd2 (22...Bd2?! 23.Ke2=) 23.Rd2 Rd2-/+ (23...Bd2?! 24.Ke2=)) 22.Ke2+/- Rad8 23.Ne4 Rd5 24.b6 (24.Rb1 Be7+/- (24...Rb5? 25.Ra4+-)) 24...a6 25.Rc1 (25.Rha1 Rc8+=) 25...Ba5 (25...Ra5!? 26.Ra5 Ba5=) 26.Rc7+= Bb6 (26...Rb8!? 27.Rb2 Rdd8+=) 27.Rb7+/- Ba5 28.Ra7 Bb4 29.R2a6 R8d7 30.Rd7 Rd7 31.Re6 Re7 32.Re7 Be7 33.Kd3 Bf6? (better is 33...Kf7!?+/-) 34.Kc4 Kf7 35.Kd5 Ke7 36.Nc5 (36.Nf6 gf6 37.g4 Kf7+-) 36...h6 37.Nd3 e4 38.Ke4 Ke6 39.f3 g5 40.Nc5 Kf7 41.Kf5 Ke7 (41...Be7 42.Ne6+-) 42.Kg6 Be5 43.h3 Bd6 (43...Bh2 44.Kh6 Bg1 45.Ne4+-) 44.Ne4 (44.Ne4 Bc7 45.Kh6+-; worse is 44.Kh6 Bc5 45.Kg5 Be3 46.f4 Kf7+-) 1–0. mr5reasons1 (1680) – paulatica, gameknot.com, 2012.

7.d4 Bd6 8.Ba3=.

7.Be2 cb5 8.ab5 a6 9.0-0 Nbd7 10.d4 Bb6 11.Nbd2 a5 (11...Ba5 12.ba6 ba6 13.c4+=) 12.c4+/- h6 (12...dc4!? 13.Nc4 Bc7+/-) 13.c5+- (13.c5 Bc7 14.b6+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.Be2 Nbd7 8.0-0 Qc7 9.d4 Bd6 10.Nbd2 Re8 11.c4 c5 12.Qb3 b6 13.Rfc1 Bb7 14.h3 Qd8 15.cd5 ed5 16.dc5 bc5 17.a5 c4 18.Qc2 Nc5 19.a6 Bc8 20.Nd4 Nfe4 21.Nc6 Qg5 22.Nf3 Qg6 23.Kh1 Nf2 24.Kg1 Nce4 25.Kf1 Bh3 26.gh3 Nh3 27.Nce5 Be5 28.Be5 Re5 29.Bc4 Rf5 30.Be2 Qg1 0–1. Orang4Utan (1825) – Khordan (1835), lichess.org, 2020.

6.c4 Nbd7 7.Nf3 0-0 8.Be2 Qe7 9.0-0 (9.d4 dc4 10.bc6 bc6=) 9...e5 10.d3 dc4 11.dc4 e4 12.Nd4? (better 12.Nfd2=+) 12...cb5?? (better 12...Qe5 13.f4 ef3 14.Bf3 Ng4–+) 13.Nf5+- (worse 13.ab5 Nc5=+; worse 13.cb5 Nc5=+) 13...Qe6 (better 13...Bh2!? 14.Kh2 Qc5+-) 14.Nd6+- (14.Qd6?! Qf5 15.ab5 Re8+=) 14...Qd6?? (14...ba4 15.Nc3 Rd8+-) 15.Qd6 Nb6 (15...bc4 16.Nd2+-) 16.cb5 (16.Bf6 gf6 17.c5 Na4 18.Bb5 Nb2+-) 16...Be6 (16...Bg4 17.f3 ef3 18.gf3+-) 17.Bf6 Rfd8 18.Bd8 Rd8 19.Qd8 1–0. BeepBeepImAJeep (2645) – qazzaq44 (1760), lichess.org, 2017.

6.c4 Nbd7 7.Nf3 0-0 8.Be2 Re8 9.0-0 e5 10.d4 e4 11.Nfd2 a6 12.h3 ab5 13.ab5 Ra1 14.Ba1 Qe7 (14...Bb8 15.Qb3=+) 15.Nc3 Bb8 16.bc6 (16.c5 cb5 17.Nb5 Qe6=) 16...bc6 (16...Qd6 17.c7 Qc7 18.f4 ef3 19.Rf3 dc4 20.Bc4=+) 17.cd5 (17.c5 Qd8=) 17...cd5 18.Re1 Qd6 Threatening mate: Qh2 19.Nf1 g5 (19...Ba6!?=+) 20.Nb5 Qe7 21.Bb2 Nb6 22.Ba3 Qd7 23.Qb3 Nc4 (23...Ba6 24.Rb1+=) 24.Bc4 dc4 25.Qc4 Ba6 26.Rb1 Rc8 27.Qb3 Bb5 (27...g4!? 28.hg4 Ng4+=) 28.Qb5+- Qb5 29.Rb5 Rc3?? (better 29...h6+-) 30.Rb8+- Kg7 31.Bd6 (better 31.Bf8 Kg6 32.Rb6 Rc1+-) 31...Kg6 32.Be5 Nd7 (32...Rc6 33.Bf6 Kf6 34.Nd2+-) 33.Rb7 (better 33.Rg8 Kf5 34.Ng3 Ke6 35.d5 Ke5 36.Rg5 Kd6 37.Ne4 Ke7 38.Nc3+-) 33...Ne5 34.de5 Rc5 35.Rb6 Kh5 (35...Kg7+-) 36.Ng3 Kh4 37.Rh6 1–0. BeepBeepImAJeep (2625) – Sasatvsem111 (2000), lichess.org, 2017.

6.c4 Nbd7 7.Nf3 Nb6 8.Qc2 0-0?? (better is 8...Nc4 9.Bc4 dc4 10.bc6 bc6=) 9.c5+- Bc5 10.Qc5 Ne4 11.Qc2 Bd7 12.Nc3 cb5 13.ab5 Rc8 (13...Ng5+-) 14.Ra7 Nc4 15.Bc4 (15.Rb7?! Ncd6 16.Ra7 Nb5+-) 15...Rc4 16.d3 (16.d3 Qb6 17.Ra3 Rc3 18.Bc3 (18.Rc3?! Nc3 19.Bc3 Rc8+-) 18...Nc3 19.Rc3 Bb5 20.Qb2+-; worse is 16.Rb7 Nd6 17.Rd7 Qd7+-) 1–0. b4_player – manne, casual, 2013.

6.c4 Qe7 7.Nf3 0-0 8.d4 Bb4 9.Nbd2 Ne4 10.Bd3 Bd2 (10...a6!?=) 11.Nd2+/- Nd2 12.Qd2 f5? (better is 12...Qg5 13.f4 Qf6+/-) 13.Ba3+- Qf6 (13...Qg5 14.f4 Qh4 15.g3+-) 14.Bf8 Qf8 15.0-0 Nd7 16.Rfc1 Nf6 17.h3 (17.cd5 cd5 18.Rc7 Ne8+-) 17...Bd7 18.cd5 ed5 (18...Nd5 19.Bc4+-) 19.bc6 bc6 20.Qc2 g6 (20...f4 21.ef4 Qd6 22.f5+-) 21.Rab1 Qd6 22.Qc5 Qc7 23.Rb2 Ne4 (23...f4 24.Qe7 Rf8 25.Qe5+-) 24.Qd5! Kg7 (24...cd5 25.Rc7 Pinning (25.Rc7 Deflection; 25.Rc7 Clearance)) 25.Be4 fe4 (25...cd5?? 26.Rc7 de4 27.Rd7 Kf6 28.Rh7+-) 26.Qe4 Re8 27.Qf4 Qa5 (27...Qf4 28.ef4 Re6+-) 28.Rb7 Qd5 29.Ra7 (better is 29.Rc5 Qe6 30.Re5 Qf7 31.Qf7 Kf7 32.Rd7 Kf8 33.Re8 Ke8 34.Ra7 Kd8+-) 29...g5 (29...Re6 30.Rc5 Qd6 31.d5 Qf4 32.Rd7 Kf6 33.ef4 cd5 34.Rcd5 Re1 35.Kh2+-) 30.Qf3 (30.Qf3 Qf3 31.gf3+-) 1–0. Efimov,Andrey (2055) – Kocharyan,Grant (2045), Kimry–ch, 2003.

6.Be2 0-0. justenest (1940) – croach (2320), net–chess.com, 2011.

6.Nf3 a5 7.c4 dc4 (7...0-0!?=) 8.Na3+= Ba3 (8...0-0!?+=) 9.Ba3+/- cb5 10.ab5 Bd7 (better is 10...c3!?+/-) 11.Bc4+- Qb6?! (11...Bc8+-) 12.Ne5 Bb5 (12...h5 13.Qf3 Bb5+-) 13.Rb1 Ne4 (13...Qc7 14.Bb5 Nc6 15.Nc6 bc6+-) 14.Bb5 (14.Bb5 Kd8 15.Nf7 Kc8 16.Qg4+-) 1–0. pcmvr – nerob (2055), net–chess.com, 2015.

6.Nf3 a5 7.Be2 0-0 8.0-0 cb5 (8...Nbd7 9.d4=) 9.ab5 b6 10.c4 (10.Ba3 e5=) 10...dc4 (10...Bb7 11.d3=) 11.Bc4 (11.Na3 c3 12.dc3 Qc7=) 11...Nbd7 (11...Bb7 12.d3=) 12.d4 Ne4 (12...Bb7 13.Ba3 Qc7 14.Bd6 Qd6 15.Nbd2=) 13.Nbd2 (13.Ba3 Bb7=) 13...Bb7 14.d5 (14.Ne4 Be4 15.Ba3 Ba3 16.Ra3 Nf6=) 14...Nd2 (14...Nec5 15.Nb3 Qe7 16.Nbd4=) 15.Qd2 ed5 (15...e5 16.Qc2=) 16.Bd5+= Bd5 17.Qd5 Bb4 (17...Nf6 18.Qg5+=) 18.Rfd1 (better is 18.Nd4 Nc5 19.Qf5+=) 18...Ra7? (better is 18...Nc5 19.Qe5 f6 20.Rd8 fe5 21.Ra8 Ra8 22.Ne5 Nb3+=) 19.Ne5+- h6?? (19...Qf6 20.Nd7 Rd7 21.Bf6 Rd5 22.Rd5 gf6+-) 20.Nd7 Re8 (20...Rd7 21.Qd7 Qd7 22.Rd7+-) 21.Qc6 (21.Nf6 gf6 22.Qd8 Rd8 23.Rd8 Kg7+-) 21...Re6 (21...Qe7+-) 22.Nf6! Rf6 (22...Rf6 23.Rd8 Discovered attack; 22...gf6 23.Rd8 Discovered attack) 23.Rd8 Kh7 24.Bf6 gf6 (24...Kg6 25.Be7 Bd6 26.Qe4 f5 27.Rd6 Kh7 28.Qf5 g6 29.Qg6 Kh8 30.Rd8) 25.Qf6 Rc7 (25...Bf8 26.Rf8 a4 27.Rh8) 26.Rh8 1–0. DEFFM – GuestPYBM, freechess.org, 2018.

6.Nf3 Bd7 7.c4 (7.Be5 Be5 8.Ne5 0-0=) 7...a6 (7...dc4 8.Bc4 cb5 9.ab5=) 8.Nc3 e5 (8...0-0 9.bc6 Bc6 10.Rc1+=) 9.d4 e4 10.Nd2 (better is 10.c5 ef3 11.bc6 Bc6 12.cd6 fg2 13.Bg2 Qd6 14.Ba3=) 10...Ng4 (better is 10...Bg4!? 11.Be2 Be2 12.Qe2 ab5 13.ab5 Ra1 14.Ba1 Qa5=) 11.cd5+= Ne3? (better is 11...cd5 12.Nd5 Bf5+=) 12.Qb3?? (12.fe3 Qh4 13.g3 Bg3 14.hg3 Qg3 15.Ke2 Bg4 16.Nf3 Bf3 17.Kd2 Bd1 18.Rd1 cd5 19.Nd5 ab5 20.Bb5 Nc6 21.Nf4–+) 12...Nf1 13.Nde4 Bf5 (13...Bh2 14.Kf1 cd5 15.Qd5+- (15.Rh2?! de4 16.Ne4 Be6+=)) 14.Kf1 0-0 (14...cb5 15.Nd6 Qd6 16.Ba3+=) 15.Nd6+= Qd6 16.Ba3 Qd7 (better is 16...c5 17.dc5 Qg6+-) 17.Bf8 Kf8 18.bc6 bc6 19.f3 cd5 (19...Kg8 20.Re1+-) 20.Qd5 Qd5 (20...Ra7 21.Rd1+-) 21.Nd5 Nc6 22.Ne3 (22.Rd1 Bc2 23.Rd2 Ba4+-) 22...Bd7? (better is 22...Nd4 23.Nf5 Nf5+-) 23.Kf2 Nb4 (23...Rb8 24.Rhd1+-) 24.Rhd1 Rc8 25.Rd2 (25.d5 Nc2 26.Ra2 Ne3 27.Ke3 Ke7+-) 25...f5 (25...a5 26.d5+-) 26.g3 (26.Rb1 a5 27.d5 f4+-) 26...Kf7 27.a5 g5 28.Rb1 Rb8 29.Kg2 Nc6 (29...h5 30.Nd5 Nc6 31.Rb6+-) 30.Rb8 Nb8 31.d5 Kf6 (31...f4 32.gf4 gf4 33.Nc4+-) 32.Nc4 Bb5 (32...Ke7 33.f4 gf4 34.gf4+-) 33.Nd6 Bd7 34.Rb2 (better is 34.f4 Ke7 35.Nc4 gf4+-) 34...Ke7 (34...Ke5 35.Nf7 (worse is 35.Rb8 Kd6 36.Rd8 Kc7+-) 35...Kf6 36.Ng5 Kg5 37.f4 Kh5 38.Rb8+-) 35.Nf5 (35.Nc4!? Bb5 36.Na3 Nd7 37.Nb5 ab5+-) 35...Bf5 36.Rb8 Bd3 37.Rb6 Kd7 38.Kf2 Bc4 39.d6 Bb5 (39...h6+-) 1–0. Labahn,Wolfgang – Wolf, Ostende 4–Landerturnier, 1989.

6.Nf3 Bd7 7.c4 (7.Be5 Be5 8.Ne5 0-0=) 7...a6 8.Ne5 (8.ba6 Na6 9.Be5 Be5 10.Ne5 c5=) 8...ab5 (8...0-0 9.Qf3+=) 9.Nd7 (9.ab5 Ra1 10.Ba1 0-0+=) 9...Qd7 (9...Nbd7 10.ab5 Ra1 11.Ba1+=) 10.cb5 0-0 (10...Qd8 11.Be2=) 11.Bf6= gf6 12.Qg4 Kh8 13.e4 (13.Qh4 Be7=) 13...e5 (13...Be5 14.Nc3+=) 14.Qh4 (14.Qd7 Nd7 15.bc6 bc6 16.ed5 cd5=) 14...Qe6 (better is 14...Be7=) 15.d4?? (better is 15.bc6 bc6 16.Bd3+=) 15...ed4–+ 16.Bd3 (16.Nd2 f5 17.e5 Be5–+) 16...f5 (16...de4 17.Bc4 Bb4 18.Kd1–+) 17.0-0? (17.e5!? f6 18.Qh6–+) 17...de4 (17...fe4 18.bc6 bc6 19.Be2–+) 18.Re1 (18.Bc4 Qg6 19.Rd1–+) 18...Qb3?? (better is 18...Be7 19.Qf4 Qd6 20.Qf5 ed3–+) 19.Qf6= Kg8 20.Be4 fe4 (better is 20...Qe6!? 21.Qe6 fe6 22.bc6 fe4 23.cb7 Ra7 24.Re4 d3–+) 21.Qd6 (21.Qg5 Kh8 22.Qf6 Kg8 23.Qg5 Kh8 24.Qf6 Kg8=) 21...Ra4 22.Nd2? (better is 22.Qe7=) 22...Ra1–+ 23.Ra1 (23.Nb3?? Re1) 23...Qc3 (better is 23...Qb2 24.Rd1 Qc2 25.Qg3 Kh8–+) 24.Ra8?? (better is 24.Ra3 Qc1 25.Nf1-/+) 24...Qd2–+ 25.Qg3 (25.h3 e3 26.fe3 de3 27.Qg3 Kh8–+) 25...Kh8 26.h4 Nd7 27.Rf8 Nf8 28.Qe5 Kg8 29.Qg3 (29.bc6 bc6 30.Qe4 d3–+) 29...Ng6 30.h5 (30.bc6 bc6 31.h5 Qd1 32.Kh2 Qh5 33.Kg1 Qd1 34.Kh2 d3 35.Qb8 Kg7–+) 30...Qd1 31.Kh2 Qh5 32.Kg1 d3 33.Qd6 (33.Qb8 Kg7 34.Qa7 Qd1 35.Kh2 Qe2 36.Qd4 Kh6 37.bc6 bc6–+) 33...Qd1 (better is 33...Qe2 34.bc6 bc6 35.Qc6 Qd1 36.Kh2 Qh5 37.Kg1–+) 34.Kh2 d2 35.Qd8 Kg7 36.Qd4 f6 37.Qd7 Kh6 38.Qh3 Qh5 39.Qh5 Kh5 40.bc6 bc6 0–1. Romischke,W – Schultz, 1983.

6.Nf3 h6 7.c4 Nbd7 (7...a6 8.d4 b6 9.Nc3 0-0 10.Rc1 Bd7 11.Ne5=; 7...0-0 8.d4 b6 9.Bd3 dc4 10.Bc4 a6 11.Nbd2=; 7...dc4 8.Bc4 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1=; 7...cb5 8.ab5 0-0 9.d4 dc4 10.Bc4 a5 11.0-0+=) 8.d4 Ne4 (8...c5 9.dc5 Nc5 10.cd5 ed5 11.Be2+=) 9.c5 Bc7 10.Nbd2 (10.Bd3 Qf6 11.Qc2=) 10...Ndf6 (10...Ba5 11.Bd3=) 11.Be2 (11.Bd3+=) 11...Bd7 12.0-0 Ng5 13.Qb1 Ng4 14.Re1 Qb8 15.Ng5 Bh2 16.Kf1 Ne3 17.fe3 hg5 18.Bf3 (18.Bd3!?+=) 18...Bg3 19.Rd1 f5 20.Ke2 g4 (20...cb5 21.Nf1+=) 21.Bg4= fg4 22.Qg6 Kd8 23.Rh1 Kc7?? (better is 23...Rg8=) 24.Qg4+- (24.Qg7?! cb5 25.ab5 Qf8 26.b6 ab6 27.cb6 Kc6 28.Rhc1 Kd6 29.Qf8 Rhf8 30.Ba3 Ra3 31.Ra3 Rf2 32.Kd1 Rg2=) 24...Bh2 25.Raf1?? (25.Nf3 cb5 26.Rh2 Rh2 27.Nh2 ba4 28.Qg7 Qg8 29.Qe5 Kd8+-) 25...Qg8? (25...cb5 26.Nf3 ba4 27.Rh2 Bb5 28.Kd1 Qg8 29.Rh8 Qh8 30.Qf4 Kc8+-) 26.Rh2!+- a6 (26...Rh2 27.Qf4) 27.b6 Kc8 28.Rh8 Qh8 29.Qf4 Kd8 30.Nf3 Rc8 (30...Qh5 31.Kd2 Qf5+-) 31.Ng5 Qh5 32.g4 Ke8 (32...Ke7 33.Qd6 Kd8 34.Ne6 Ke8 35.Rf8) 33.gh5 1–0. Tilp,Andreas – Baldauf, corr, 1987.

6.Nf3 h6 7.Be2 A) 7...0-0 8.0-0 (8.Be5 a6 9.ba6 b6 10.a7 Ra7 11.d4+=; 8.d4 a6 9.bc6 Nc6 10.Ba3 Ba3 11.Ra3=; 8.Ne5 Nfd7 9.Nd7 Nd7 10.0-0 e5 11.d4=) 8...Nbd7 9.d4 Qc7 10.Nbd2 Ng4 11.h3+=; B) 7...Nbd7 8.0-0 (8.d4 a6 9.c4 dc4 10.bc6 bc6 11.Nbd2=; 8.d3 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1=; 8.Nc3 e5 9.0-0 0-0 10.bc6 bc6 11.Ba3+=) 8...0-0 9.d4 Qc7 10.Nbd2 Ng4 11.h3+=; C) 7...Qc7 8.c4 (8.0-0 e5 9.Ba3 c5 10.d4 e4 11.Ne5+=) 8...dc4 9.Na3 e5 10.Nc4 e4 11.Nfe5+=.

6.f4 d4 7.Bd4 0-0 (7...Bf4!? 8.Nf3 Bd6=) 8.Nf3+= cb5+=. pcmvr (2410) – stejam (2385), net–chess.com, 2006.

6.f4 Nbd7 7.Nf3 Qc7 8.d4 (8.Bd3 e5 9.bc6 bc6 10.fe5 Ne5 11.Ne5 Be5 12.Be5 Qe5+=) 8...c5 (8...a6 9.Bd3+=) 9.c3 (9.Nc3 0-0 10.Be2 cd4 11.Qd4 Bc5-/+) 9...Ne4 (better is 9...c4!?-/+) 10.Nbd2 Ndf6 (10...f5 11.Bd3=) 11.Bd3 Nd2 (11...a6 12.0-0 Nd2 13.Qd2=) 12.Nd2 (12.Qd2!? c4 13.Bc2=) 12...c4+= 13.Bc2 b6 (13...a6 14.0-0+=) 14.0-0= Bb7 (14...0-0 15.Qf3=) 15.Ba3 (15.Nf3 0-0=) 15...0-0 (15...Ba3 16.Ra3 0-0 17.Qe2=) 16.Bd6 Qd6 17.Nf3 (17.Qf3 Rfc8=) 17...h6 (17...Ne4 18.Be4 de4 19.Nd2=) 18.Ne5+= Nd7 (18...a6 19.ba6 Ra6 20.Rf3+=) 19.Qh5 (19.a5 a6 20.Qb1 Ne5 21.fe5 Qc7+=) 19...Ne5 (better is 19...a6+=) 20.fe5+- (20.Qe5?! Qe5 21.fe5 a6+=; 20.de5?! Qc5 21.Rf3 d4 22.ed4 Bf3 23.Qf3 Qe7+=) 20...Qe7 (20...Qc7 21.Rf6 Rfe8+- (worse is 21...gf6 22.ef6 Qe5 23.de5 Rfd8 24.Qh6 d4 25.Qg7)) 21.Rf4 (21.Rf6 a6+- (21...gf6?? 22.Qg4 Kh8 23.Qh4+-)) 21...Qg5 (21...Rae8 22.a5+/-) 22.Qh3 h5 23.Rh4 g6 24.Rf4 Rae8 (24...Rfc8 25.Raf1 Rc7 26.Qf3+-) 25.Qf3 Re7 (25...Qh6 26.Rf6+/-) 26.h4 (26.Rf1 Kh7 27.h4+-) 26...Qh6+/- 27.Rf6 (better is 27.a5+/-) 27...Rd7?? (better is 27...Rb8+/-) 28.Rf1+- Qg7 (28...Re8 29.Rf7 Ree7 30.Rf8 Kh7 31.Qf6 Rg7 32.Rf3 Rg8 33.Rg8 Kg8 34.Qe6 Kh8 35.Qe8 Kg7 36.Qd7 Kh8 37.Qe8 Kh7 38.Rf7 Qg7 39.Rf8 a6 40.Rh8 Qh8 41.Qg6) 29.Qg3 (29.Bg6 a6 30.ba6 Bc6+-) 29...Rdd8 (29...Kh8 30.Qf4 Rg8+-) 30.Qg5 Rb8 1–0. Cedeno,Romulo (1875) – Villa Reyes,Pablo Anselmo, Subzonal, 2016.

7.Nc3 cb5 8.ab5 dc4 9.Bc4 Nbd7 10.d4 Nb6 11.Bd3 e5 12.de5 Be5 13.Nf3 (13.Qd2 Bg4=) 13...Bg4=+ 14.0-0 (better 14.Rc1=+) 14...Rc8?? (better 14...Bf3!? 15.gf3 Qc8=+) 15.Na4 (better 15.Bh7!? Kh7 16.Qb1 Kh8 17.Ne5+/-) 15...Bb2 16.Nb2 Qe7 (16...Ra8!?=) 17.Ra7+/- Rfd8 18.Qb1 Bf3 19.gf3 Nbd5 20.Nc4 (better 20.Qa1!?+=) 20...Nc3=+ 21.Qc2 Nb5 22.Raa1 Nd6 23.Ra4?? (better 23.Qe2=+) 23...b5-+ 24.Nd6 (24.Ra5-+) 24...Rc2 25.Nf5 (25.Rd4 Rb2 26.Rd1 b4-+) 25...Qc7 (25...Qe8 26.Rd4 Rd4 27.Nd4-+) 26.Bc2 ba4 27.Ba4 g6 (27...Qc4 28.Bd1-+) 28.Ng3 (28.Nd4 Nd5-+) 28...Nh5 (28...Qc4!? 29.Bd1-+) 29.Kg2 Ng3 30.hg3 Qd6 (30...h5 31.Rd1-+) 31.Bc2 (31.Rd1 Qb6-+) 31...Kg7 32.Be4 (32.Rd1 Qc7-+) 32...h5 (32...Qc5 33.f4-+) 33.f4 h4! 34.Bf3 (34.gh4 Qe7 Double attack (34...Qe7 Decoy)) 34...Rb8 (34...Rh8 35.gh4 Rh4 36.Rh1 Rh1 37.Kh1-+) 35.Rh1 (35.gh4 Rb2-+) 35...h3! 36.Rh3 (36.Kh3 Qd2 Combination; 36.Rh3 Rb2 Combination) 36...Rb2 37.Rh1 (37.Rh2 Qd3 38.Rh1 Qe3-+) 37...Qd2 38.Rf1 Ra2 (38...Qe3 39.Bg4-+) 39.Bg4 (39.e4 Qd4-+) 39...Rc2 (better 39...Qe3 40.Bf3 Kf6-+) 40.Kf3 (40.e4 Qd3 41.e5 g5 42.fg5 Qd5 43.Bf3 Qe5-+) 40...Rc1 (better 40...Qe2 41.Kg2 Qg4-+) 41.Kg2 (41.Rc1 Qc1 42.Kg2 Qc4-+) 41...Rf1 42.Kf1 Qc1 (42...Qd5 43.Ke2-+) 43.Kg2 Kf6 44.Bf3 Ke7 45.e4 (45.g4 f5-+) 45...f5 46.e5 (46.ef5 gf5 47.Bd5 Kd6-+) 46...Qc3 (46...g5 47.fg5 Qg5 48.Be2-+) 47.Be2 Ke6 (47...g5 48.fg5 Qe5 49.Bf3-+) 48.Bf1 (48.Bd1-+) 48...Ke7 49.Be2 g5! 50.Bf3 (50.fg5 Qd2 Double attack (50...Qe5 Deflection; 50...Qd2 Decoy)) 50…g4 (50...g4 51.Be2 Qd4-+) 0-1. ClayPigeons (2175) - hellapatzer (2155), Rated Bullet game, lichess.org, 2020.

7.Nf3 a6 8.Qc2+=.

7.Nf3 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 c5 12.d4 b6 13.Nbd2 dc4 (13...cd4 14.Nd4 Bb7 15.f4=) 14.Nc4+= cd4?? (better 14...Bc7+=) 15.Nd6+- de3 16.Nc8 (16.fe3 Qc7+-) 16...Qc8 (16...ef2 17.Rf2 Qc8 18.Bd3+-) 17.Nd4 (better 17.fe3!? Rd8+-) 17...ef2 18.Rf2 Nc5 (18...Qc5 19.Bd3+-) 19.Nc6 Nd5 (19...Qd7+-) 20.Qd5! ed5 (20...ed5 21.Ne7 Double attack) 21.Ne7 Kh8 22.Nc8 Rc8 23.Rf7 h6 1-0. BeepBeepImAJeep (2625) - tomoo25 (1755), lichess.org, 2017.

7.Nf3 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.bc6 bc6 12.0-0 Ba6 13.cd5 (13.d3 Qc7+=) 13...Be2+= 14.Qe2 cd5 15.Qa6 (15.d3 Qe7+=) 15...Nc5 (15...Qc7 16.Nc3+=) 16.Bf6= Na6 (16...Qf6? 17.Qd6 Ne4 18.Qb4+-; 16...gf6?! 17.Qe2=) 17.Bd8 Rd8 18.Nc3 Nb4 (18...Rb8 19.e4 Nb4 20.e5+=) 19.Rb1 (19.Ra1 Rb8=) 19...Nd3 (19...Kf8 20.d4+=) 20.h3 (20.Kf1 Rc8=) 20...Rc8 (20...Kf8 21.Kf1=) 21.Kf1 Ne5 22.Ne5 Be5 23.f4 (23.d4 Rc3 24.de5 h5=) 23...Bc3+= 24.dc3 g6 (24...h5 25.Rb3+=) 25.Rb3= f5 (25...h6 26.Ke2=) 26.Ke2 Rc7 (26...h5 27.Kd3=) 27.g3 (27.Kd3 Kf7=) ½–½. hal1958 – CYTO, playchess.de, 2003.

7.Nf3 cb5 8.ab5 b6 (8...Nbd7 9.Ba3 Ba3 10.Na3=) 9.Qc2 (9.cd5 Nd5 10.Bc4 a5=) 9...Bb7 10.Be2 (10.Nc3 a5+=) 10...a5 (10...dc4 11.Bc4 a5 12.d3+=) 11.Ra4 (11.Na3 Nbd7+=) 11...Nbd7 (11...dc4 12.Bc4 Nbd7 13.d4+=) 12.d4 dc4 13.Nbd2 Bb4 14.0-0 c3 15.Bc3 Rc8 16.Nc4 (16.Bc4 Bf3 17.Bb4 Rc4 18.Qc4 Bd5+=) 16...Bf3 17.gf3 Nd5 18.Bb4 (18.Bd2 Qf6+=) 18...Nb4 (18...Qg5 19.Kh1 Nb4+=) 19.Qc3 (19.Qd1!?+=) 19...Qg5-/+ 20.Kh1 Qb5 21.Raa1 Nd5 (21...Qh5 22.Qb2-/+) 22.Qd2 (22.Qc2 Rc7-/+) 22...Qb4–+ 23.Qd3 Nc3 24.Rfc1 Ne2 25.Qe2 Rc6 (25...b5 26.Nd2 Rc1 27.Rc1–+) 26.Rab1 (26.Nd2 Rfc8 27.Rc6 Rc6–+) 26...Qe7 27.Nd2 Rfc8 (27...Rc1 28.Rc1 e5 29.de5 Ne5 30.Rb1-/+) 28.Rc6-/+ Rc6 29.Rg1 (29.Ne4 e5-/+) 29...Rc2 (29...e5 30.Qb5 Rc7 31.Qd5–+) 30.Qd3 Ra2 (30...Rc7 31.Ne4–+) 31.Ne4-/+ f5 (31...Qb4 32.Qa6 g6 33.Qb7+/-) 32.Qc4 Rb2 (32...fe4?! 33.Qa2 ef3 34.Qc4=) 33.Ng5 (33.Qc3 Rb4 (33...fe4?! 34.Qb2 ef3 35.Qc2+=) 34.Ng3 Nf6-/+) 33...Nf8–+ 34.d5 (34.Nh3 b5 35.Qc3 Rb4-/+) 34...b5 (34...Rf2 35.Qd4–+) 35.Qc6 Rf2 36.d6 (36.Ne6 Ne6 37.de6 g6-/+) 36...Qd8–+ 37.Qb7 Qd7 (37...Qd6 38.Qf7 Kh8 39.Qh5 Rh2 40.Qh2 Qh2 41.Kh2+=) 38.Qd7 Nd7 39.Ne6 (39.Rc1 Nb6 40.Rc8 Nc8 41.d7 Rf1 42.Kg2 Rg1 43.Kg1 g6 44.dc8Q Kg7 45.Qd7 Kh6 46.h4 a4 47.Qh7) 39...g6–+ 40.Nd4 Rb2 (40...a4 41.Nb5 Ne5 42.Nd4+=) 41.Rc1 Nf6 (41...f4 42.Rc8 Kf7=) 42.Rc8= Kf7 (42...Kg7 43.Rc7 Kg8 44.d7 Nd7 45.Rd7+=) 43.Rc7 Kg8 44.Ne6 (better is 44.d7 Nd7 45.Rd7+=) 44...Rd2 (44...a4 45.Rg7 Kh8 46.Rf7+-) 45.Rg7+= Kh8 46.Rf7 Rd6 47.Rf6 h5 48.Rf8 (48.Rg6 a4 49.Rf6 Rd1 50.Kg2 a3 51.Rf8 Kh7+/-) 48...Kh7+= 49.Ng5 Kg7 50.Rf7 Kg8 51.Kg2 (51.e4 Rd2+=) 51...b4 (51...Rd2 52.Kg3+=) 52.Ra7 Rd5 53.Ra6 Rb5 54.Rg6 Kf8 55.f4 (55.Ne6 Kf7 56.Nd4 Kg6 57.Nb5=) 55...b3= 56.Nf3 (56.Rf6!? Kg7 57.Rf7 Kg6 58.Rd7=) 56...b2+= 57.Nd2 Rc5 (57...Rd5 58.Nb1 Rd1 59.Rf6 Ke7 60.Rf5 Rb1–+) 58.Kf3+= Rc2 59.Nb1 Rc1 60.Na3 Rf1 61.Ke2 Ra1 62.Rb6 Ra3 63.Rb2 a4 64.Rb5 Ra1 (better is 64...Ra2 65.Kd3 Rh2 66.Rf5 Ke7+/-) 65.Rf5+- Ke7 66.Rh5 a3 67.Ra5 a2 68.Ra7 Kf6 69.Ra6 Kf5 (69...Kg7 70.Ra8 Rh1 71.Ra7 Kh6 72.Ra6 Kh5 73.Ra5 Kg4 74.h3 Kg3 75.Ra2 Rh2 76.Kd3 Ra2–+) 70.Ra5+- Ke6 71.Ra6?? (better is 71.h4!?+-) 71...Kd7 (71...Kf5 72.h4 Kg4+-) 72.Ra7-/+ Kc6 73.Ra6?? (better is 73.h4+-) 73...Kb7 74.Ra3 Rh1 75.h4?? (75.Rb3 Kc6 76.Ra3-/+) 75...a1Q-/+ 76.Ra1 Ra1 77.Kf3 Kc7 (77...Rf1 78.Kg4-/+) 78.e4 Kd7 79.Kg4 Ke6 80.h5 (better is 80.Kf3!?-/+) 80...Rg1 81.Kf3 Kf6 (81...Kf6 82.Ke3 Rh1–+) 0–1. Fehr,Wolfgang – Muller,G, corr ICCF we cup pr, 1994.

7.Nf3 dc4 8.Bc4 cb5 9.ab5 Nbd7 10.d4 Nb6 11.Be2 Bb4 12.Bc3 (12.Nbd2 Qd5+=) 12...Qe7 (12...Bd6!?=) 13.Bb4+= Qb4 14.Nbd2 (14.Qd2 Nbd5+=) 14...Nbd5 15.Qb3 Bd7 Attacking the isolated pawn on b5 (15...Qb3 16.Nb3 b6 17.Ne5+=) 16.Qb4 Nb4 17.0-0 Rfc8 18.Rfc1 (18.Bc4 a5 19.ba6 ba6+=) 18...Rc1 19.Rc1 Rc8 20.Rc8 Bc8 21.Ne5 (21.Nc4 Ne4+=) 21...Nfd5= 22.Ne4 (22.Bg4 Kf8=) 22...f6 23.Nd3 Nd3 24.Bd3 b6 25.Bc4 Nc7 (25...Kf8 26.Kf1=) 26.f4 (26.Nc3 Kf7=) 26...Bd7 (26...f5 27.Nc3=) 27.Nc3 Kf8 (27...f5 28.e4 fe4 29.Kf2=) 28.Kf2 (28.e4 f5 29.e5 Bc8=) 28...Ke7 (28...Nd5 29.Nd5 ed5 30.Bd3=) 29.Kf3 (29.e4 f5=) 29...Bc8 (29...f5 30.e4=) 30.h3 (30.e4 f5=) 30...a6 31.ba6 Ba6 32.Ba6 Na6 33.Nb5 (33.f5 Nc7 34.fe6 Ke6=) 33...Kd7 34.e4 Nc7 35.Nc3 Kc6 (35...b5 36.Na2=) 36.Ke3 b5 37.Na2 Kb6 (37...Na6 38.Nc1=) 38.Kd3 Ka5 39.g4 Na6 (39...g6 40.Kc3=) 40.Kc3 (40.f5 e5+=) 40...Ka4 (40...g6 41.Nc1=) 41.Nc1+= Ka3 42.d5 (42.f5 ef5 43.gf5 g6 44.fg6 b4 45.Kc4 hg6+-) 42...ed5= 43.ed5 Nc5 44.Nd3 Nd3 45.Kd3 b4 46.d6 b3 47.d7 b2 48.Kc2 Ka2 49.Kd2 b1Q 50.d8Q Qb4 51.Ke3 Qe1 52.Kf3 Qf1 53.Ke4 Qb1 (53...Qh3 54.Qg8 Qb3 55.Qg7 Qc4 56.Kf5 Qc8 57.Kf6 Qc3 58.Kf7 Qc4 59.Ke7 Qc7 60.Kf8 Qc8 61.Kf7 Qc4 62.Ke8 Qc8 63.Kf7 Qc4=) 54.Qd3+= Qh1 (54...Qb4 55.Kf3=) 55.Kd4 Qg1 56.Kd5 Qg2? (56...Qh2!?+=) 57.Ke6+- Qc6? (better 57...Qb7+-) 58.Kf7+- Qc7 (58...Qb7 59.Kg8 h6 60.Qg6 Qb8 61.Kg7 Qf4 62.Qf6+-) 59.Kg8 h6?! (59...Qf4 60.Kg7 Qc7 61.Kh8 Qe7 62.Qh7 Qe5+-) 60.Qg6 Qf4 61.Kg7 Kb3 (61...Qe3 62.Qh6 Qe7 63.Kg6 Qe8 64.Kf6 Qd8 65.Ke5 Qc7 66.Kd5 Qd7 67.Qd6+-) 62.Qf7 (62.Qf6 Qg3 63.Qe6 Kb4 64.Qb6 Ka4 65.Qc6 Kb4 66.Qh6 Qc7 67.Kg6 Qc6 68.Kh7 Qd7 69.Qg7 Qd3 70.Kg8 Qd5 71.Qf7 Qg5 72.Kf8 Qd8 73.Qe8 Qf6 74.Kg8 Qg5 75.Kf7 Qd5 76.Kf6 Qf3 77.Kg7 Qh3+-) 62...Kc2 (62...Ka3 63.Qf6 Qd2 64.Qa6 Kb4 65.Qb7 Ka4 66.Qe4 Ka3 67.h4 Qb2 68.Kg6 Qb6 69.Kh5 Qc5 70.Qf5+-) 63.Qf6 Qg3 (63...Qd2 64.Kg6+-) 64.Qh6 Kd3 (64...Qc7 65.Kg6+-) 65.Qe6 Qh3 (65...Qc7 66.Qf7 Qc3 67.Qf6 Qb4+-) 66.Qb3 Ke4 67.Qh3 Kf4 (67...Kd4 68.g5 Kd5 69.Kf6 Kc5 70.g6 Kd5 71.g7 Kc5 72.g8Q Kb6 73.Qhb3 Kc7 74.Qgd5 Kc8 75.Qbb7) 68.Kf6 Ke4 69.g5 Kf4 (69...Kd5 70.g6 Kc5 71.g7 Kc6 72.g8Q Kc5 73.Qc3 Kb5 74.Qe6 Ka4 75.Qd7) 70.g6 (70.g6 Ke4 71.g7 Kd4 72.Qb3 Kc5 73.g8Q Kc6 74.Qgd5 Kc7 75.Qbb7) 1–0. Pierre – Patroles, internet, 2020.

7.Nf3 Bd7 8.Be2 Qc7 (8...a6 9.Na3=+) 9.cd5 (9.Bf6 gf6 10.bc6 Bc6 11.cd5 Bd5+=) 9...ed5 (9...Nd5 10.0-0=) 10.0-0 (10.Bf6 gf6 11.Nc3 Qa5+=) 10...c5 (10...Ng4 11.h3 Nh2 12.Nh2 Bh2 13.Kh1=) 11.d4 (11.Bf6!? gf6 12.d4+-) 11...c4= 12.Ne5 (12.Ba3 a6=) 12...Be6 13.f4 Nfd7 (13...Qe7 14.Nc3=+) 14.Nc3 f6 (14...Nf6 15.Qc2=) 15.Nd7 Nd7 (15...Qd7!? 16.Bf3 Bb4=) 16.Bf3+- Rad8 (16...Qd8 17.Nd5 Rc8 18.a5+-) 17.Nd5+- Bd5 18.Bd5 Kh8 19.Rc1 (19.Qf3 Rb8+-) 19...Nb6+- 20.Be6 (20.Bf3 Qe7 21.a5 Qe3 22.Kh1 Nc8 23.Bb7 Bf4 24.Rc4 Nd6+-) 20...Rfe8 21.f5 Nd7 22.Rc4 (22.Bc4?! Bh2 23.Kh1 Re3+-) 22...Qb8 (22...Bh2 23.Kh1 Qb8 24.e4+-) 23.Qh5 (23.h3 a5+-) 23...Nf8 (23...Nb6 24.Rc2 Na4 25.Rf3+-) 24.d5 Be5 25.Ba3 Rc8? (25...Ne6 26.de6 Rd3+-) 26.Rh4 (26.Rh4 Bd6 27.Bc8 Rc8 28.Bd6 Qd6 29.Rd1+-; 26.Rc8!? Rc8 27.Bc8 Qc8+-) 1–0. BeepBeepImAJeep – Josch2 (1775). lichess.org, 2016.

7.Nf3 Qe7 8.Nc3 Nbd7 9.d4 h6 10.Qb3 e5 (10...dc4 11.Bc4 c5 12.Rd1=) 11.cd5 cd5 12.Nd5 Nd5 13.Qd5 ed4 (13...Nf6 14.Qb3 Be6 15.Bc4 Bc4 16.Qc4=) 14.Nd4 (14.Qd4 Bb4 15.Bc3 Bc3 16.Qc3 Nc5+/-) 14...Nf6 (14...Bb4 15.Ke2 Nf6 16.Qb3=) 15.Qb3+= Be6 16.Ne6 fe6 17.Bc4 Rae8 (better 17...Ne4!? 18.0-0 Nd2 19.Be6 Kh8+/-) 18.0-0+/- Kh8 19.Rad1 Ne4 20.Rd4 (20.Qc2 Nf6+-) 20...Nc5+/- 21.Qa2 Qh4?? (better 21...Qc7 22.Rh4 e5+/-) 22.Rh4+- (22.Rh4 e5 23.f4+-) 1-0. ClayPigeons (2135) - RomanovRG (2210), Rated Bullet game, lichess.org, 2020.

7.Nf3 Qe7 8.d4 Nbd7 9.Nc3 e5 10.cd5 cd5 11.de5 Ne5 12.Be2 (12.Nd5? Nf3 13.Qf3 Nd5-+) 12...Be6 13.0-0 Rac8 (13...Rfc8 14.Rc1=) 14.Nd4 (14.Nb1 Bf5=) 14...Bb8 (14...Nc4 15.Bc4 Rc4 16.Qd3=+) 15.Qb3 (15.Ba3 Bd6 16.Bd6 Qd6=) 15...Neg4 (15...Nc4 16.Rfc1=) 16.g3 Ne4?? (16...Rfe8!?=) 17.Ne6?? (17.Ne4 Nh2 18.Kh2 de4 19.Ne6 fe6+-) 17...fe6?? (better 17...Qe6 18.Nd5 Rfe8+/-) 18.Ne4+- de4 (18...Nh2 19.Ba3 (19.Kh2?! Qh4 20.Kg1 Qe4+-) 19...Qd8 20.Kh2 Qh4 21.Kg1 Qe4 22.Bf8 Rf8 23.Qd3+-) 19.Bg4 Qg5 (19...Rfe8+-) 20.Be6 Kh8 21.Bc8 Rc8 22.Rac1 Rg8 23.Qc3 (23.Qe6 Qg6 24.Qg6 hg6+-) 23...h5 (23...Qe7 24.f3+-) 24.Qc5 Qg4 (24...Qg6 25.Qe7+-) 25.Rcd1 h4 (25...Kh7 26.Rd5 Kh6 27.Qe7+-) 26.Rd5 Kh7 (26...Re8 27.Rh5 Kg8 28.Rg5+-) 27.Rh5 Kg6 28.Rh4 Qg5 (28...Qf5 29.Qe7 a6 30.h3+-) 29.Qg5 (better 29.Qc4 Rf8 30.Qe6 Rf6 31.Qe8 Rf7+-) 29...Kg5 30.Rf4! Bf4 31.h4 (31.ef4 Kf5+-) 31...Kg4 32.ef4 Kf3 (32...g6 33.Re1 Kf5 34.Rd1+-) 33.Be5 (33.Re1 g6+-) 33...e3 34.Re1 (better 34.fe3 Kg3 35.Rc1 Kh4+-) 34...e2?? (better 34...ef2 35.Kf1 fe1R 36.Ke1 Kg3-/+) 35.Re2! Ke2 36.Kg2 Rc8?? (better 36...Kd3!?+/-) 37.h5 (better 37.Bg7 Rc7 38.Be5 Rh7+-) 37...Rc2? (37...Rg8+-) 38.h6 (better 38.Bg7 Ke1 39.h6+-) 38...Rc8?? (better 38...gh6 39.f5 Rc8+/-) 39.hg7+- Rg8 40.f5 Kd3 (40...Kd3 41.f6 Kc4+-). ClayPigeons (2145) - takpar61 (2090), Rated Bullet game, lichess.org, 2020.

7.Nf3 Qe7 8.Be2 e5 9.0-0 Bf5 (9...e4!? 10.Ne1 dc4 11.bc6 Nc6–+ (11...bc6?! 12.f3+=)) 10.Nc3 Nbd7 11.Nh4 Bg6 (11...Be6!?+=) 12.Ng6 hg6 13.d4 e4 14.c5 Bc7 15.a5 Rad8 16.a6 ba6 17.Ra6 cb5 (better is 17...Nb8!? 18.Ra1 cb5 19.Bb5 Kh7+/-) 18.Nb5+- (18.Bb5?! Nb8 19.Ra4 Kh7+/-) 18...Bb8? (18...Nb8 19.Ra7 Rd7+-) 19.c6 (19.Na7?! Nc5 20.dc5 Qc7+/-) 19...Nb6 (19...Qe6 20.Ba3 (20.Na7?! Qd6 21.g3 Ba7+-) 20...Rfe8 21.Qd2+-) 20.Ba3 Bd6 21.c7 (21.Nd6?! Rd6 22.Qa1 Rc8+-) 21...Rd7 22.Nd6 Rd6 23.Qc2 Nc8 (23...Rc8 24.Rc1+-) 24.Rd6 Nd6 25.Qc6 Nc8 1–0. usingprogram (1985) – paco1999 (1670), kurnik, 2013.

7.Nf3 h6 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Re8 12.d4 c5 (12...dc4 13.Nc3=) 13.Nc3 cd4 14.Nd4 ½–½. mr5reasons1 (1630) – jrob0882, gameknot.com, 2013.

8.d4 Bb4 9.Nc3 dc4 (9...Nbd7 10.Qb3 c5 11.Bd3=) 10.Bc4 cb5 (10...Ne4 11.Qc2 Qa5 12.Rc1 Nc3 13.Bc3+=) 11.ab5+= a6 12.Qb3 a5 13.0-0 Nbd7 14.Rfc1 Nb6 (14...b6 15.Ba3 Ba3 16.Ra3+=) 15.Bd3+/- Nfd5 16.Ne5 g6 (16...Bd6 17.Qd1+=) 17.Nc4 (17.Nd5 ed5 18.Ba3 Ba3 19.Qa3 a4+=) 17...Nc4+= 18.Bc4 b6 (better 18...Nb6!?+=) 19.Nd5+- (19.Bd5?! ed5 20.Qd5 Bc3 21.Qd8 Rd8 22.Bc3 Rd5+=) 19...ed5 20.Bd5 Be6 21.Be6 Re6 22.Rc6 Rd6 23.Rac1 Rb8 (23...Qe7 24.d5+-) 24.Ba3 (24.e4 Ra8+-) 24...Ba3 25.Qa3 Rd7 26.R1c2 Qf8 (better 26...Qg5 27.Qd3 Rd5+-) 27.h3?? (better 27.Qa4+-) 27...Qa3-+ 28.Rc8 (28.R2c3 Qb2-+) 28...Rc8 29.Rc8 Kg7 30.Kh2 (30.g4 Qb3 31.Rc6 Qb5-+) 30...Rd5 31.g3 (31.g4 a4 32.Kg3 Rd4-+) 31...Rb5 (31...Qa2 32.Kg1 Rf5 33.Rg8 Kg8 34.Kh2 Qf2 35.Kh1 Qe1 36.Kg2 Rf2) 32.Kg2 Rb2 33.Rc1 Qe3 34.Rf1 Qd4 35.Kg1 Qd5 36.Kh2 Qf3 37.Kg1 b5 (37...a4 38.h4 a3 39.g4 Rb4 40.Re1 Rg4 41.Kf1 Rh4 42.Re8 Rh1) 38.h4 Rf2! 39.Rf2 (39.Rf2 Qg3 Double attack) 39...Qg3 40.Kf1 Qf2! 41.Kf2 f5 42.Kg3 Kf6 43.Kf4 h6 44.Kg3 h5 45.Kf4 a4 46.Ke3 (46.Ke3 Ke5 47.Kd3-+). ClayPigeons (2230) - dragonweave (2445), Rated Bullet game, lichess.org, 2019.

8.d4 b6 9.Qc2=.

8.d4 b6 9.Ne5=.

8.d4 Bd7 9.Qb3 (9.c5 Be7=) 9...dc4 (9...b6 10.Ba3 Bc7 11.Bd3=) 10.Bc4 cb5 11.ab5 b6 12.Nc3 Bc8 13.0-0 (13.e4 Be7+=) 13...Bb7 14.Ng5 (better 14.Rfc1+=) 14...Nbd7?? (better 14...Bh2 15.Kh1 Bd6-/+) 15.Be6!+- fe6 (15...Re6 16.Ne6 Pinning (16.Ne6 Decoy); 15...fe6 16.Ne6 Pinning (16.Ne6 Decoy)) 16.Ne6 Qe7? (16...Bh2 17.Kh1 Qe7 18.Nd8 Kh8 19.Nf7 Kg8 20.Ne5 Qe6 21.Qe6 Re6 22.Nd7 Ng4+=) 17.Nc7?? (better 17.Nd8! Kf8 18.Nb7+-) 17...Kh8+= 18.Na8 Ra8 19.Rfe1 (19.Ba3 a5+=) 19...Ng4 (better 19...Ne4 20.Ne4 Qe4=) 20.f3?? (better 20.h3 Bh2 21.Kf1+/-) 20...Bh2 (better 20...Qh4 21.Qc2 Qh2 22.Kf1 Bf3 23.gf3 Qc2-+) 21.Kf1 Qh4 (better 21...Ne3 22.Kf2 Ng4 23.Kf1 Qh4 24.fg4 Rf8 25.Ke2 Re8 26.Kd2 Bf4 27.Kd3 Re1 28.Re1 Qg3 (worse 28...Qe1 29.Qf7 Qd2 30.Kc4-+) 29.Kc2 Qf2 (29...Qe1?! 30.Qf7-/+) 30.Re2 Be4 31.Ne4 Qe2 32.Kb1 Qe4 33.Ka2 Nf6-+ (33...Qg2?! 34.Qf7 Nf6 35.Qf8 Ng8 36.Qf4-/+)) 22.fg4= Rf8 (better 22...Qg4!? 23.Re2 Bg2 24.Ke1 Bf3=+) 23.Ke2+/- Qg4 (23...Rf2 24.Kd1 Qg4 25.Re2 Qg2 26.Qe6+=) 24.Kd3 (24.Kd2 Bb8+/-) 24...Rd8 25.Qf7?? (better 25.Kd2+/-) 25...Ne5-+ 26.Kc2 Nf7 27.Rad1 (27.Ra7 Bg2 28.Ba3 Ne5-+) 27...Be4 28.Kb3 (28.Kc1 Rc8-+) 28...Qe6 29.Ka3 Bd6 30.Ka4 Qc4 0-1. ClayPigeons (2165) - xallobera (2085), Rated Bullet game, lichess.org, 2021.

8.d4 Ne4 9.Bd3 f5 10.0-0 a6 (10...b6 11.Ne5+=) 11.Nc3 (11.c5 Be7+=) 11...ab5 12.ab5 Ra1 13.Ba1 Nd7 (13...dc4 14.Bc4 Nc3 15.Bc3 cb5 16.Bb5+=) 14.Qb3 h6 15.Rd1 Kh7 16.Qc2 Qf6 17.Ne2 (17.Ne4?! de4 18.Be4 fe4 19.bc6 bc6 20.Qe4 Qg6 21.Qc6 Qc2=) 17...Qg6 18.Ne5 Ne5 19.de5 Bb8 (19...Be7 20.Nf4 Qf7 21.cd5 cd5 22.Be2+/-) 20.f3 (better 20.Nf4 Qg5 21.c5+/-) 20...Ng5? (better 20...Qg5 21.Bd4 c5+=) 21.Bc3?? (better 21.Nf4 Qf7 22.h4+-) 21...Nf7?? (better 21...Nf3 22.Kh1 Qh5-+) 22.f4 Kg8 (22...Ba7 23.Bd4 c5 24.Bc3+=) 23.Qb3 (better 23.b6+/-) 23...Qh7? (23...Bc7 24.bc6 bc6 25.Nd4+/-) 24.Ng3 (better 24.bc6 dc4 25.Bc4+-) 24...Bd7 25.bc6 bc6? (25...Bc6 26.Nf5! ef5 27.cd5 Bd5 28.Qd5 Qg6 29.Qb7 Qe6+-) 26.cd5 cd5 27.Qb7 Rd8 (27...Be5 28.Qd7 Rd8 29.Qe6 Bc3 30.Bf5 g6 31.Bg6 Qg7+-) 28.Ba5 Ba4 29.Ra1 Rd7 (29...Rf8 30.Ra4 Be5 31.fe5 h5+-) 30.Qb8 Rd8 1-0. ClayPigeons (2125) - speedlike (2100), Rated Bullet game, lichess.org, 2021.

7.c3 e5 8.d3-/+.

7.c3 Re8 8.c4 e5 9.d4 e4 10.Nfd2 a6 11.c5 Bf8 12.Be2 ab5 13.ab5 Ra1 14.Ba1 cb5 (14...b6 15.Nb3=+) 15.Bb5= Bd7 16.Be2 (16.Qa4 Re6 17.Nb3 Qc7=+) 16...Nc6 (16...b6 17.cb6 Qb6 18.0-0=+) 17.Nc3 Bf5 (17...b6 18.Nb3=) 18.h3 (better 18.Qb3+=) 18...Qd7?? (better 18...b6 19.Nb3 bc5 20.dc5 Be6=) 19.g4+- Bg6 (19...Rb8 20.gf5 b6+-) 20.Rg1?? (better 20.g5 Be7 21.gf6 Bf6 22.Qb3+-) 20...h6 (20...Ra8 21.Bb2=) 21.h4+= Nh7? (21...Ra8 22.Bb2+=) 22.g5?? (better 22.h5 Bh5 23.gh5+-) 22...hg5+= 23.hg5 f6? (23...Rb8!?+=) 24.Bg4 (better 24.gf6 Bf7 25.fg7 Bg7 26.Nb5+-) 24...f5 25.Be2 Be7 (25...Kh8 26.Bh5 Qf7 27.Bg6 Qg6 28.Nd5 Ng5 29.Nf4+-) 26.Bb5 (26.Nd5 Bg5 27.Nb6 Qc7+-) 26...Nf8? (26...Kf8+/-) 27.Nb3?? (better 27.Nd5 Rd8 28.Qb1+- (28.Ne7?! Qe7 29.Qa4 Bf7+-)) 27...Ra8 (27...Ne6 28.Nd2=) 28.Bb2 (28.f4 Ne6+=) 28...Rc8 (28...Ne6 29.Nd2+=) 29.Na5 (better 29.f4+=) 29...Qe8?? (better 29...Ne6=) 30.Nb7 Rc7? (30...Nh7 31.Qb3 Qf7 32.Nd5+-) 31.Nd6 (better 31.Qa4 Qb8 32.Bc6 Rb7 33.Bd5 Kh8 34.Bb7 Qb7 35.Ba3+-) 31...Qc8?? (31...Bd6 32.cd6 Rb7+-) 32.Nc8 Rc8 33.Bc6 Rc7 (33...Rc6 34.Qb3 Bf7+-) 34.Bd5 Kh8 35.Rh1 Nh7 36.Qe2 (36.Qa4 Bd8 37.Qa8 Rd7 38.Qc6 Re7 39.Qg6 Rc7 40.Rh7) 36...Rd7 37.f3 (37.Qa6 Bf6 38.gf6 Rd8 39.Qa7 gf6 40.Qe7 Rg8 41.Qf6 Rg7 42.Qf8 Rg8 43.Qg8) 37...Rd5 38.Nd5 Kg8 39.Nf6! Bf6 (39...Bf6 40.gf6 Combination; 39...gf6 40.gf6 Passed pawn; 39...Nf6 40.gf6 Combination) 40.gf6 gf6 41.c6 Kg7 42.c7 Ng5 43.c8Q Nf3 44.Qf3! ef3 (44...ef3 45.Qb7 Double attack (45.Qb7 Decoy)) 45.Rg1 (45.Qd7 Kg8 46.Rh6 f2 47.Kf2 Bf7 48.Qd8 Be8 49.Qf6 Bc6 50.Rh8) 45...Kh6 (45...f2 46.Kf2 Kh7 47.Qf8 f4 48.Rh1 Bh5 49.Qf7 Kh6 50.Rh5) 46.Kf2 (46.Qh8 Bh7 47.Qf6 Kh5 48.Qg5) 46...Kh5 (46...Kh7 47.Qc7 Kh6 48.Qg3 Be8 49.Qg7 Kh5 50.Rh1) 47.e4 (47.Qh8 Bh7 48.Qh7) 47...Kh4 48.Rh1 (48.Qh8 Bh5 49.Rg3 fe4 50.Qf6) 48...Kg5 (48...Kg4 49.d5 Kg5 50.Qc1 Kg4 51.Qg1 Kf4 52.Rh4) 49.Qf5! (49.Qf5 Bf5 50.Bc1 Kg6 51.Rh6 Kf7 52.ef5+-) 1-0. CronusCR (2205) - DanasH3 (2120), Hourly HyperBullet Arena, lichess.org, 2017.

7.Nc3 Bd7 8.Be2 e5 9.d4 e4 10.Ne5 Be5 (better is 10...a6!?+=) 11.de5+= Ne8 12.Ba3 Nc7 (better is 12...Qg5!?+=) 13.Bf8+- Qf8 14.0-0 cb5 (better is 14...Qe7!?+/-) 15.Nb5 Nb5 16.Bb5 Bb5 17.ab5 a6? (17...Qc5+-) 18.Qd5 Qc8 19.Rfd1 g6 (19...h6 20.Qe4 a5 21.c3+-) 20.Qd8 (better is 20.Qd6!? Kg7+-) 20...Qd8 21.Rd8 Kg7 22.c4 h5 (22...g5 23.c5+-) 23.Kf1 (23.c5 g5+-) 23...f5 (23...h4 24.c5+-) 24.c5 Kf7 25.c6! Nc6 (25...bc6 26.bc6 Passed pawn) 26.Ra8 (26.bc6?! Rd8 27.cb7 Rb8+/-) 26...ab5 27.Rb1 b4 28.Rc8 1–0. booklover – mckenna215, ChessWorld.net, 2015.

7.c4 a6 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Nb5 Be7 12.d4 Nc6 13.Be2 Bb4 14.Bc3 Ne4 15.Bb4 Nb4 16.Qb2 Nc6 17.0-0 h6 18.Nc3 Nc3 19.Qc3 dc4 20.Bc4 Bd7 21.Rb1 Bc8 22.h3 Kh8 23.Bb5 Ne7 24.Rc1 Nd5 25.Qb3 Bd7 26.Bd7 Qd7 27.Ne5 Qe7 28.Rb1 b6 29.e4 Nf6 30.f3 Nd7 31.Nd7 Qd7 32.Qb6 Rd8 33.Rd1 Qd6 (33...Rc8 34.Ra1+/-) 34.Qd6+- Rd6 35.Kf2 Kg8 36.Ke3 Kf8 37.f4 Ra6 38.g3 Ke7 39.Rd3 Ra2 40.Rb3 Rg2 41.Kf3 Rd2 42.Rb7 Kf6 43.Ke3 Rg2 44.e5 Kg6 45.g4 f5? (45...Rg3 46.Ke4 f5 47.gf5 ef5 48.Kd5 Rd3+-) 46.Re7+- fg4 47.hg4 (47.Re6?! Kf5 48.Rc6 gh3+=) 47...Rg4 48.Ke4 h5 49.Re6 Kf7 50.d5 h4 51.Rc6 h3? (51...g5 52.Kf5 Rf4 53.Kg5 Rd4 54.Rc7 Kg8+-) 52.Kf5 White plans e6 52...h2 53.e6 (53.Kg4 h1Q 54.Rc7 Kg6 55.Rc6 Kh7–+) 53...Kg8 54.Rc8 (54.Kg4 h1Q 55.Rd6 Kf8-/+) 54...Kh7 55.e7 (55.Kg4 h1Q 56.Rc7 Qg2 (56...Qd5?! 57.e7 Qe4 58.Kg5–+) 57.Kh4 Kg6–+ (57...Qd5?! 58.e7 Qh1 59.Kg5 Qg1 60.Kh4 Qe1 61.Kg5–+)) 55...h1Q 56.e8Q (56.Kg4? Qg2 57.Kh4 Qf2 58.Kg4 Qe2 59.Kf5 Qe7–+) 56...g6 (56...Rf4 57.Kf4 Qd5 58.Rd8 Qc4 59.Qe4 Qe4 60.Ke4+-) 57.Kg4 Qg2 58.Kh4 Qh2 59.Kg5 Qg3 60.Kf6 Qf4 61.Ke6 Qf5 62.Ke7 (better is 62.Kd6 Qf4 63.Qe5 Qb4 64.Kd7 Qg4 65.Qe6 Qa4 66.Rc6 Kg7+-) 62...Qe5 63.Kd8 Qd5 64.Qd7 Qd7 65.Kd7 Kh6 66.Rc5 g5 67.Ke6 g4 68.Kf6 g3 69.Rg5 1–0. Wall,Bill – Hanif,Mohd, chess.com, 2011.

7.Bd3 A) 7...c5 8.c4 (8.0-0 Nbd7 9.Be2 e5 10.Nh4 Re8 11.Nf5+=) 8...Nbd7 9.cd5 ed5 10.0-0 Re8 11.Qc2+=; B) 7...Qe7 8.Ne5 (8.Be5 Nbd7 9.Bd6 Qd6 10.0-0 e5 11.Be2+=) 8...Nfd7 9.Nd7 Nd7 10.Qh5 f5 11.0-0+=; C) 7...Nbd7 8.Be2 (8.0-0 e5 9.Be2 Qc7 10.h3 c5 11.d3+=) 8...e5 9.d4 e4 10.Ne5 a6 11.bc6+=.

7.Be2 cb5 8.ab5 b6 9.0-0 Bb7 10.c4 dc4 11.Bc4 Nbd7 12.d4 Qc7 (12...Bf3 13.Qf3 Bh2 14.Kh1 Bd6=) 13.Nbd2 (13.Bd3=) 13...Bd5 (better is 13...Bf3 14.gf3 Bh2 15.Kg2 Bd6+=) 14.Qe2 (14.Bd3 Qb7+=) 14...Bc4 (14...Rfc8 15.Bd3 Ng4 16.Rfc1+/-) 15.Nc4 Be7 16.Rfc1 Qd8 (16...Qb7 17.Nfe5 Ne5 18.de5+=) 17.Nce5 Ne5 18.Ne5 Bd6 19.Nc6 Qe8 (19...Qc7 20.Kh1+/-) 20.Ba3 (20.e4 Bf4 21.Rd1 Qd7+-) 20...Ba3+/- 21.Ra3 Qd7 22.Ra6 Nd5 23.Qd3 (23.Rca1 Rfc8 24.Qd2 Rc7+/-) 23...Rfc8 24.Qa3 (better is 24.Rca1+/-) 24...Nc7? (better is 24...Ne7! 25.Qa4 Nc6 26.bc6 Qc7+/-) 25.Ne7+- Kh8 (25...Qe7 26.Qe7 Na6 27.Rc8 Rc8+-) 26.Nc8 Na6 (26...Rc8 27.Ra7 h6+-) 27.Qf8 (27.ba6?! Rc8 28.Rc8 Qc8=; 27.Qa6 Rb8 28.Na7 h5+-) 1–0. algernon (2155) – tomy (2255), net–chess.com, 2003.

7.Be2 cb5 8.ab5 Nbd7 9.0-0 b6 (9...Nc5 10.c4=) 10.d3 Bb7 11.Nbd2 Qc7 12.c4 dc4 (12...a5!?=) 13.Nc4+- Be7 14.Rc1 Qd8 (14...Rfc8 15.Qd2+-) 15.Nd4 Nb8 (15...Qc7!?+-) 16.Bf3 Nd5 17.Ne5 Qd6 18.Ndc6 Bf6 19.Nc4 Qd7 (19...Qc7 20.N6e5+-) 20.Bf6 Nf6 21.d4 Nc6 22.Nb6 (22.Bc6?! Bc6 23.Ne5 Bf3+=) 22...ab6 23.bc6 Bc6 24.Bc6 (24.Rc6?! Nd5 25.Bd5 Qd5 26.Rb6 Rfc8+=) 24...Qd8 (24...Qd6 25.Ba8 Ra8 26.Qb3+-) 25.Ba8 Qa8 26.Qb3 Qb7 27.f3 Rb8 28.Qb5 Nd7 (28...Qe7 29.Qe5 Rf8 30.Rc6+-) 29.Rc6 h6 30.Rb1 Kh7 (30...Ra8 31.Rbc1 Ra7 32.e4+-) 31.Rd6 White prepares the advance d5 31...Rd8 (31...Nf6 32.Rb6 Qb6 33.Qb6 Rb6 34.Rb6+-) 32.d5 Qc7 (32...e5+-) 33.Qc6 Qa7 (33...Rc8 34.Qd7 Qc2 35.Rf1 (35.Rbb6?? Qd2 36.Rb1 Rc2 37.Re6 Qg2) 35...ed5 36.Qf7+-) 34.de6 fe6 35.Qe4 g6 (35...Kh8 36.Qe6 Qa3+-) 36.Re6 Rg8 37.Re7 Rg7 38.Rg7 Kg7 39.Qe7 Kg8 40.Rc1 Qb7 41.Rd1 b5 42.Rd6 Qc8 (42...Nf8 43.Qb7 b4 44.Rf6 Nh7 45.Rg6 Kf8 46.Qh7 b3 47.Rg8) 43.Rg6 (43.Rg6 Kh8 44.Qg7) 1–0. Pierre – Maevere, internet, 2019.

7.Be2 b6 8.0-0 Bb7 9.c4 c5 (9...a6 10.Na3=) 10.Qb3 Nbd7 11.d4 (11.Nc3 dc4 12.Qc4 Bf3 13.Bf3 Ne5=) 11...dc4 (11...cd4 12.Nd4 Qc7 13.f4=+) 12.Qc4 cd4 (12...Bd5 13.Qc2=+) 13.Qd4= Bc5 14.Qf4 Nd5 (14...Rc8 15.Rd1=) 15.Qg3+= N5f6 16.Rd1 Qb8 17.Ne5 Bd6? (better 17...Rd8!?+=) 18.Rd6!+- Qd6 19.Nd7 Qg3 20.Nf6 (20.hg3 Nd7 21.f3 a6–+) 20...gf6 21.hg3 Rad8? (better 21...e5+-) 22.Bf6 Rc8 (22...Rd7 23.Nc3+-) 23.Nc3 Rc5 (23...Rfe8 24.a5+-) 24.a5 e5 25.Na4 Rc2 26.ab6 Re2 27.ba7 1–0. DEFFM – GuestDLFM, freechess.org, 2019.

7.Be2 b6 8.c4 Bb7 9.a5 c5 (better is 9...ba5!? 10.Nc3 dc4 11.Bc4 Nbd7+=) 10.a6+= Bc8 11.0-0 Nbd7 12.d4 Ne4 13.Nbd2 Ndf6 14.Ne4 Ne4 15.dc5 Nc5 16.cd5 Qc7 17.de6 Be6 18.g3 (18.Qd4 f6+/-) 18...Rad8 19.Qd4 f6 20.Qh4 Bf5 21.Nd4 Bg6 22.Rac1 Rfe8 23.Bf3 Qb8? (better is 23...Qf7+/-) 24.Nc6 Qc8 25.Nd8 Qd8 26.Rfd1 Nd3 (26...Qe7+-) 27.Qc4 Kh8 28.Rd3 Bd3 29.Qd3 1–0. Ebert,Lutz – Schmidt,Achim, Mecklenburg VP LL2, 1998. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 Bd6 5.e3 c6 6.a4 0-0)

7.Be2 Bd7 8.0-0 cb5 9.ab5 Ne4 10.c4 (10.Bd4 a6=) 10...dc4 (10...Ng5 11.Ba3 Ba3 12.Na3 dc4 13.Bc4+=) 11.Bc4 e5? (better is 11...Qb6!? 12.Qc2 Bb5 13.Bb5 Qb5 14.Bg7 Kg7 15.Qe4 Nc6+=) 12.d3 (12.Bd5 Bb5 13.Be4 Bf1 14.Qf1 Nd7+/-) 12...Nc5 (12...Nf6 13.Ne5 Be6 14.Nd2+/-) 13.d4 ed4 (13...Ne6 14.Ne5 Be5 15.de5+-) 14.Qd4+- (14.ed4?! Ne6+=; 14.Nd4?! Qh4 15.g3 Qg5=; 14.Bd4?! Be6 15.Nbd2 Qe7+=) 14...Be6?? (better is 14...Qf6 15.Qf6 gf6+-) 15.Qg7 1–0. DEFFM – Thrillers, freechess.org, 2018.

7.Be2 Bd7 8.0-0 cb5 9.ab5 Re8 10.c4 (10.Be5 Qc7 11.Bd6 Qd6+=) 10...e5 11.d4 (11.d3 Qc7 12.c5 Bc5 13.Be5 Qd8+=) 11...e4 12.Ne5 Be6 (12...dc4 A) worse is 13.Nc4 Bb5 14.Nd6 Be2 15.Nb7 Bd1 16.Nd8 Be2-/+ (16...Rd8?! 17.Rd1 Nc6 18.Ba3+=); B) 13.Bc4 Be6 14.Nd2=) 13.c5+= Be5 14.de5 Nfd7 15.Qd4 a6 (better is 15...Qg5!? 16.Kh1 Rc8+=) 16.Nc3 The backward pawn on d5 becomes a target 16...ab5?? (16...Qe7 17.Ba3 ab5 18.Bb5 Ra5+=) 17.Ra8+- Qc7 18.Nb5 Qc5 19.Nd6 Rc8 (19...Rf8 20.Qd2 Nc6+-) 20.Nc8 (20.Nc8 Qc8 21.Qa7+-) 1–0. DEFFM – sgall, freechess.org, 2018.

7.Be2 Ne4 8.c4 (8.0-0 Nd7=) 8...dc4 9.Qc2 f5 (9...Ng5 10.Na3=) 10.0-0 cb5 (10...a6 11.Nc3=) 11.ab5 a6 (11...Nd7 12.Qc4 Nb6 13.Qc2=) 12.Bc4+= ab5? (better is 12...Bd7+=) 13.Ra8 (13.Ra8 bc4 14.Qc4+-) 1–0. GuestCNYJ – GuestJMJG, freechess.org, 2018.

7.Be2 Re8 8.d4 Nbd7 9.0-0 e5 10.c4 ed4 11.Nd4 dc4 12.bc6 bc6 13.Nd2 (< 13.Nc6 Qc7 14.Nd4 Bh2 15.Kh1 Ba6-/+) 13...Ne5 14.Nc4 Nc4 15.Bc4 Bb7 (better is 15...Ng4 16.h3 Ne5=) 16.Nf5+/- Bc7 17.Qb3 Kh8 (17...Nd5 18.Bd5 (18.Bg7? Bc8–+) 18...cd5 19.Qb7+/- (19.Bg7? Bc8–+)) 18.Rfd1 (18.Bf6 Qf6 19.Qb7 Be5+-) 18...Qc8 (better is 18...Qb8 19.Bf7 Ba6 20.Bf6 gf6+-) 19.Nh6! Bh2 (19...gh6 20.Bf6) 20.Kh2 Ng4 21.Ng4 Qg4 22.Rd2 (better is 22.Rd4!? Qc8+-) 22...Rab8 23.f3 Qg5 24.Rad1 c5? 25.Qc3 Re3 26.Qe3! Qh4 27.Kg1 h6 28.Bf1 Bc6 29.Qe5 Rg8 30.Rd8! f6 31.Rg8 Kg8 32.Rd8 Kh7 33.Bd3 g6 34.Qe7# 1–0. Bigalke,Andre – Schubert,J, Wichern op 4th, 1997.

8.Bc4 a6 9.Nc3+=.

8.Bc4 Nbd7 9.0-0 (9.d4 Nb6 10.Bd3 cb5 11.ab5 a6=) 9...Qc7 (9...cb5 10.ab5 e5 11.Qc2=) 10.d3 Ng4 (10...cb5 11.ab5 e5 12.Qe2=) 11.h3 Nge5 12.Nbd2 Nb6 (12...Rd8 13.bc6 bc6 14.Qc2=) 13.Be5 (13.Ne5 Be5 14.Be5 Qe5 15.bc6 bc6+/-) 13...Be5 14.Ne5 Qe5 (14...cb5 15.Ng6 fg6 16.ab5+=) 15.d4 Qd6 16.bc6 (16.Bd3 cb5 17.ab5 f5+=) 16...Qc6 (16...Nc4 17.Nc4 Qc6 18.Ne5+=) 17.Bb5 (17.Bd3 Nd5+/-) 17...Qd6 (17...Qd5 18.Bd3+=) 18.Ne4 (18.Bd3 Nd7+/-) 18...Qe7 19.Qb3 (19.Qh5 Bd7+=) 19...a6 (19...e5 20.a5 Be6 21.Qa3 Qa3 22.Ra3+/-) 20.Bd3 (20.a5 Nd5 21.Bc4 Bd7+/-) 20...Nd5 21.Bc4 (21.Rfc1 b6+/-) 21...Nf6 (21...Rd8 22.Nc5+=) 22.Nc5+/- Rd8 (22...Ne8 23.Rac1+/-) 23.a5 (23.Rab1 Ne8+/-) 23...Ne8 (23...Nd7 24.Nd7 Rd7 25.Rab1+=) 24.Rab1 Nd6 25.Bd3 (25.Rfc1 e5+/-) 25...Rb8 (25...e5 26.de5 Qe5 27.Qc2+=) 26.Qc2 (26.Qa3 e5+/-) 26...h6 27.Bh7 (27.Rfc1 Bd7+/-) 27...Kh8+= 28.Bd3 Bd7 (28...Kg8 29.Rfc1+/-) 29.f3 (29.Rb6 e5+/-) 29...Bc6 (29...e5 30.Qf2+=) 30.Rb6 (30.Na6 Ra8 31.Nb4 Qg5+/-) 30...Rdc8 (30...Rbc8 31.f4+=) 31.Na6 (31.f4+/-) 31...ba6? (better is 31...Ra8!? 32.Nc5 Ra5=) 32.Rb8+- Rb8 33.Qc6 1–0. DEFFM – GuestFFPZ, freechess.org, 2018.

9.ab5 b6 10.0-0 (10.Qe2 Bb7=) 10...Bb7= 11.d4 (11.Qe2 h6=) 11...Nd5 (11...a5 12.ba6 Na6 13.Qe2=) 12.Nc3 (12.Qe2 Nb4+=) 12...Nc3= 13.Bc3 Nd7 (13...Qc7 14.Ra4=) 14.Qe2 (14.d5 Qc7 15.Qd4 e5+=) 14...Nf6 (14...Qc7 15.h3=) 15.Ra4 (15.Ne5 Ne4 16.Bb2 Be5 17.de5 Qh4+=) 15...Qc7= 16.Bb4 (better is 16.Ne5!?=) 16...Bf3+= 17.Qf3?? (better is 17.Bd6!? Be2 18.Bc7 Bf1 19.Kf1-/+) 17...Bh2 (better is 17...Qc4 18.Bd6 Qa4 19.Bf8 Rf8–+) 18.Kh1-/+ Bd6 (18...Qc4!? 19.Rfa1 Rfe8-/+) 19.Rfa1 (19.Bd6 Qd6 20.Rfa1 Qd7+=) 19...Bb4+= (worse is 19...Qc4 20.Bd6 Qb5 21.Bf8 Rf8 22.Ra7+/-) 20.Rb4 Nd5 (better is 20...Rfd8!?+=) 21.Bd5+= ed5 22.Qd5 Qc3 (22...Qe7 23.Rba4+=) 23.Rba4+/- Rfc8 (23...Qc7 24.Qc6 Qe7 25.Kg1+/-) 24.R1a2 (24.Qf5 Rc7+/-) 24...g6 (24...Qc1 25.Kh2 Qc7 26.g3+/-) 25.Qb7 (25.Ra1 h6+/-) 25...Qc7 (25...Qb3 26.Ra1 Kg7 27.Qd7+=) 26.Qc7+/- Rc7 27.Ra6 (27.Kh2+/-) 27...f5 (better is 27...Rd8!?+/-) 28.Rb6!+- Rc1 (28...ab6 A pinning theme 29.Ra8) 29.Kh2 Rb1 (29...Rc7 30.Rc6 Rb7 31.Ra5+-) 30.Rb7 Rb4 (30...a5 31.Rc2+-) 31.d5 (31.Ra6 Rb2+-) 31...a6 (31...a5 32.d6 Rb1+-) 32.Ra6 Ra6 (32...Rd8+-) 33.ba6 Ra4 (33...Rh4 34.Kg3 Rg4 35.Kf3+-) 34.a7 (34.a7 Kf8 35.Rh7+-) 1–0. Trkn – paul stanley, itsyourturn.com, 2000.

9.ab5 Bd7 10.0-0 b6 (10...Qe7 11.d3 (11.d4 Rc8 12.Qe2 Nd5 13.Ba3 a5 14.ba6+=; 11.Nc3 e5 12.d3 Be6 13.Ng5 Bc4 14.dc4=; 11.Ba3 e5 12.d4 e4 13.Ne5 Be6 14.Qb3=; 11.Bd4 a6 12.Bf6 Qf6 13.Nc3 Rc8 14.Ne4=) 11...e5 12.Nbd2 a6 13.Qb3 Rc8 14.Ng5+=; 10...a6 11.Qe2 (11.d3 Nd5 12.Ne5 Qc7 13.Qh5 Nf6 14.Qg5=; 11.Qb3 Bc8 12.Rc1 a5 13.Be5 Be5 14.Ne5+=) 11...Qe7 12.Be5 Ng4 13.Bd6 Qd6 14.d4+=) 11.Qe2 (11.Qc2 Bc8 12.e4 Bc5 13.d4 Be7 14.Bd3+/-) 11...Qc7 (11...Qe7 12.e4 e5 13.d4 Bg4 14.de5+=) 12.Rc1 (12.Bf6 gf6 13.d4 Bc8 14.Rc1+/-) 12...Bc5 (12...Rc8!?+/- 13.Na3 Qb7 14.Bf6+/-) 13.d4+- Be7 (13...Bd6 14.Be6+-) 14.Be6! Be6?? (14...Be6 15.Rc7; 14...fe6 15.Rc7) 15.Rc7 Nbd7 16.e4 1–0. Van Rooijen,Peter – Bettley,Andrew, internet, 2001.

9.ab5 Bd7 10.d3 A) 10...Re8 11.0-0 (11.Be5 Qe7 12.0-0 Rc8 13.Nc3 Be5 14.Ne5+=; 11.Bd4 a5 12.Ne5 Qc7 13.f4 Bc5 14.Bc5+=; 11.Qb3 Qe7 12.0-0 Rc8 13.Rc1 a6 14.Nbd2+=) 11...e5 12.Nbd2 Bg4 13.Qb3 Re7 14.Ng5+=; B) 10...Qe7 11.Bd4 (11.Ne5 Bb4 12.Nd2 Nd5 13.Nd7 Nd7 14.Bd5=; 11.0-0 e5 12.Qe2 Bg4 13.h3 Bf5 14.e4+=; 11.Qe2 e5 12.0-0 Bg4 13.h3 Bf5 14.e4+=) 11...Bc5 12.Bc5 Qc5 13.Qb3 Rc8 14.0-0+=.

9.ab5 Bd7 10.Bd4 A) 10...a5 11.d3 (11.0-0 Qe7 12.d3 e5 13.Bc3 b6 14.Nbd2=) 11...Re8 12.Ne5 Qc7 13.f4 Bc5 14.Bc5+=; B) 10...a6 11.Qe2 (11.0-0 Qe7 12.Bf6 Qf6 13.Nc3 Rc8 14.Ne4=; 11.d3 Qe7 12.Ne5 Bb4 13.Nd2 Nd5 14.ba6+=; 11.Nc3 Qe7 12.Ne5 Rc8 13.Qf3 Be8 14.d3=; 11.Qb3 Qe7 12.Ne5 Rc8 13.Nc3 Be5 14.Be5=) 11...Qe7 12.Ne5 Rc8 13.Nc3 Bc5 14.Bc5+=.

9.ab5 Bd7 10.Qe2 Qe7 11.Be5 (11.d4 Rc8 12.0-0 Nd5 13.Rc1 a5 14.e4+=) 11...a5 12.Nc3 Ne8 13.0-0 f6 14.Bd4+/-.

9.ab5 Nbd7 10.0-0 Qc7 11.Be2 (11.d3 e5 12.Qe2 Nb6 13.Nbd2 Rd8 14.Bb3=; 11.Qe2 Ng4 12.Rc1 Qb8 13.h3 Nge5 14.Be5+=) 11...Ne5?? (11...e5 12.d3= (12.Qc1 Qb8 13.d3 Nb6 14.Nc3=) 12...Rd8 13.Nbd2 Nb6 14.Ra5=) 12.g3?? (12.Be5 Be5 13.b6 (13.Ne5?! Qe5 14.d4 Qc7+=) 13...Bh2 14.Nh2 Qb6 15.d4+/-) 12...Nf3+= 13.Bf3 Qe7 14.d4 Rd8 15.Nd2 a6 16.Qe2 a5 17.Nc4 Bb4 18.Nb6 Rb8 19.Rfc1 Bd7 20.Nd7 Qd7 21.Ba3 Ba3 22.Ra3 b6 23.Rc6 Rdc8 24.Rac3 Nd5 25.Bd5 ed5 26.Qc2 Rc6 27.Rc6 h6 28.Kg2 Qe7 29.Rc8 Rc8 30.Qc8 Qf8 31.Qc6 (better is 31.Qd7!?+/-) 31...Qd8= 32.Kf1 a4 33.Qc2 a3 34.Qa4 Qe8 35.Qa3 Qb5 36.Kg2 Qa5 37.Qc1 Qa8 38.h4 (38.Qc7!?+=) 38...Qb7= 39.Kf1 Kf8 40.Qb2 b5 41.Qb4 Ke8 42.Ke1 Qc6 43.Kd2 Kd7 44.Qf8 Qf6 45.Ke2 h5 46.Qc5 Qc6 47.Qc6 Kc6 48.Kd3 b4 49.Kc2 Kb5 50.Kb3 f5 51.f3 (better is 51.Ka2–+) 51...g6 52.Ka2 (52.Kb2 Kc4 53.Kc2 b3 54.Kd2–+) 52...Kc4 53.f4 Kd3 54.Kb3 Ke3 55.Kb4 Kd4 56.Kb5 Kc3 0–1. Del Val,J – Roelli,Stefan, Pontresina SEM–HT III, 2000.

9.ab5 Nbd7 10.0-0 e5 11.d3 Qe7 12.Nbd2 Nb6 13.Ra2 Bf5 14.Qa1=.

9.ab5 Nbd7 10.d3 Qe7 11.0-0 (11.Nbd2 Nb6 12.0-0 e5 13.Ra2 Bf5 14.Qa1=; 11.Ba3 Nb6 12.0-0 Nc4 13.dc4 Ba3 14.Na3=; 11.Qe2 e5 12.0-0 Nb6 13.Bb3 Bg4 14.h3=) 11...e5 12.Nbd2 Nb6 13.Ra2 Bf5 14.Qa1=.

9.ab5 Nbd7 10.d4 A) 10...Nb6 11.Bd3 a6 12.Nc3 Nbd5 13.0-0 Nb4 14.Ba3+=; B) 10...Nd5 11.0-0 (11.Ba3 N7b6 12.Bd3 Nb4 13.Bb4 Bb4 14.Nbd2+=; 11.Bd5 ed5 12.Ba3 Nb6 13.Qc2 Nc4 14.Bd6=) 11...a6 12.Nc3 N7b6 13.Bd3 Nc3 14.Bc3+=; C) 10...a6 11.0-0 (11.Nc3 e5 12.ba6 ba6 13.Qe2 Bb7 14.de5=; 11.Bd3 Qe7 12.Ba3 Ba3 13.Ra3 e5 14.de5=; 11.ba6 ba6 12.Ba3 Qc7 13.Bd6 Qd6 14.0-0=; 11.Nbd2 Nb6 12.Ba3 Ba3 13.Ra3 Nc4 14.Nc4=) 11...Nb6 12.Bd3 ab5 13.Ra8 Na8 14.e4=.

10.0-0 e5 11.b6 Na6 12.ba7 Ra7 13.Nc3 Bd7 14.d4=.

10.0-0 e5 11.Qc2 Nbd7 12.Nc3 Nb6 13.Bb3 e4 14.Nd4=.

10.0-0 e5 11.Qc2 Nbd7 12.Nc3 Nb6 13.Bb3 Bg4 14.Ng5=.

10.0-0 e5 11.d3 Nbd7 12.Nbd2 Nb6 13.Ra2 Bf5 14.Qa1=.

10.0-0 e5 11.d3 Bg4 12.h3 Bf5 13.Nh4 Be6 14.Qf3=.

11.0-0 e5 12.Nbd2 Nb6 13.Ra2 Bf5 14.Qa1=.

11.Ba3 Nb6 12.Bd6 Qd6 13.0-0 e5 14.Nbd2=.

11.Qb3 e5 12.0-0 Nb6 13.Ba3 Nc4 14.dc4=.

11.Qc2 e5 12.Nc3 Nb6 13.Bb3 Bg4 14.Qe2+=.

11.Nbd2 Nb6 12.0-0 e5 13.Ra2 Bf5 14.Qa1=.

11.Qe2 Nb6 12.Be5 Bb4 13.Nbd2 Nfd7 14.Bb2=.

11.0-0 Nbd7 12.Nbd2 a6 13.Ra2 a5 14.Qa1+=.

11.0-0 Bg4 12.h3 Bf5 13.Nh4 Be6 14.Qf3=.

11.b6 Nc6 12.0-0 Bg4 13.ba7 Ra7 14.Ra7=.

11.Nc3 Bg4 12.0-0 Rc8 13.h3 Be6 14.Be6=.

11.Nbd2 Bg4 12.Ra2 Nbd7 13.Qa1 Bf3 14.Nf3=.

11.Qe2 Nbd7 12.0-0 Nb6 13.Bb3 Bg4 14.Rc1=.

11.Qe2 Nbd7 12.0-0 Nb6 13.Bb3 Bg4 14.h3=.

10.d4 a5 11.0-0 b6 12.Nc3 Bb7 13.Ba3 Bc7 14.Qe2=.

10.d4 a5 11.0-0 b6 12.Nbd2 Bb7 13.Ba3 Ne4 14.Ne4+=.

10.d4 a5 11.Nc3 b6 12.0-0 Bb7 13.Ba3 Bc7 14.Qe2=.

10.d4 a5 11.Nbd2 b6 12.0-0 Bb7 13.Ba3 Qe7 14.Bd6+=.

11.0-0 b6 12.Nc3 Re7 13.e4 Bb4 14.d5+=.

11.0-0 Re7 12.Nc3 b6 13.e4 Bf4 14.Ne2+=.

11.Nc3 Nbd7 12.0-0 Nb6 13.Bd3 Nbd5 14.Ne5+=.

11.Nc3 Re7 12.0-0 b6 13.e4 Bb4 14.d5+=.

11.Qe2 Re7 12.e4 Nd5 13.0-0 Nf4 14.Qd2+=.

11.Ne5 Nbd7 12.Qe2 Qc7 13.f4 Nd5 14.Kf2=.

11.Qb3 b6 12.0-0 Bb7 13.Ne5 a5 14.ba6=.

11.Nbd2 a6 12.0-0 Ng4 13.h3 Nf6 14.Qe2+=.

11.Nbd2 Nbd7 12.0-0 Rd8 13.Qe2 Nb6 14.Bd3+=.

11.Qd3 Nbd7 12.Ba3 Nb6 13.Bd6 Qd6 14.Nbd2=.

11.Qe2 Bb4 12.Bc3 Bd6 13.0-0 Nd5 14.Ba5+=.

11.Qe2 Bb4 12.Nbd2 Ne4 13.Bd3 Nd2 14.Nd2+=.

11.0-0 a5 12.Ba3 Bc7 13.Nc3 Ng4 14.Qb3+=.

11.0-0 a6 12.Qe2 a5 13.Ba3 Bc7 14.Nc3+=.

11.Ba3 Qc7 12.Qc2 a5 13.0-0 Nb6 14.Bd3=.

11.Ba3 Be7 12.0-0 a5 13.Nbd2 Nb6 14.Bd3+=.

11.0-0 a6 12.Nc3 b6 13.e4 Bb4 14.d5+=.

11.Ba3 a6 12.Bd6 Qd6 13.0-0 b6 14.Qe2=.

11.Nbd2 a6 12.0-0 b6 13.ba6 Rea7 14.e4=.

11.Qd3 a6 12.Nc3 b6 13.ba6 Rea7 14.0-0=.

11.Bd3 a6 12.0-0 b6 13.e4 Bf4 14.Ne5+=.

11.Bd3 a6 12.Ba3 b6 13.Bd6 Qd6 14.0-0=.

11.Qe2 a6 12.0-0 Rc7 13.Nc3 a5 14.b6+=.

11.Ne5 Nbd7 12.Nd2 Qc7 13.0-0 a5 14.f4+=.

8.d4 c5 9.cd5 ed5 10.dc5 Nc5 11.Be2=.

8.d4 Qe7 9.Be2 (9.c5 Bc7=) 9...e5 (9...dc4 10.bc6 bc6 11.Nbd2+=) 10.Nbd2 (10.de5!? Ne5 11.Be5 Be5 12.Ne5 Qe5 13.Nd2=) 10...e4+= 11.Ng1 Ne8 (11...Bb4 12.bc6 bc6 13.Rb1+=) 12.Nh3 f5 (12...Ndf6!?+=) 13.0-0+= g6 (13...Nef6 14.Qb3=) 14.Qb3 Nef6 15.f4 (15.Ba3 Ba3 16.Ra3 a6+/-) 15...ef3 16.Rf3 Ne4 17.Ne4 de4?? (better is 17...fe4 18.Rf8 Nf8+=) 18.c5+- Kg7 19.cd6 Qd6 20.d5 (20.Rf4 Rf6+-) 20...Nf6 21.Rg3 cd5 (21...Qd5 22.Qc3 Qf7 23.Rd1 cb5 24.Ng5+-) 22.Nf4 (22.Ba3 Qe5 23.Bf8 Kf8+-) 22...Be6 (22...Kf7 23.Bf6 Qf6 24.Qd5 Ke8 25.Rd1+-) 23.Bd4 (better is 23.Qa3 Qa3 24.Ne6 Kf7 25.Ng5 Kg8 26.Ra3 Nd7+-) 23...Kf7 24.Qb2 (24.a5 Nd7+-) 24...Nd7 25.Rh3 h5 (25...Kg8 26.a5+-) 26.Rg3 Rg8 27.Rg5 (27.Ng6 Rg6 28.Bh5 Rag8+-) 27...Nf8 (27...h4 28.Rc1+-) 28.Be5 (28.Rc1 h4 29.Be5 Qe7+-) 28...Qc5 (28...Qe7 29.Rg3 h4+-) 29.Bd4 (29.Qd2 Rc8+-) 29...Qe7?? (29...Qd6 30.Rc1+- (worse is 30.Ne6 Ne6 31.Rg3 Nd4 32.Qd4 Ke6+-)) 30.Rc1?? (better is 30.Rg3+-) 30...Qg5+= 31.Rc7 Nd7 32.Rb7 Qe7 0–1. GuestQNKR – GuestCSLT, freechess.org, 2017.

8.Be2 a6 9.Nc3 Qc7 (9...ab5 10.ab5 Ra1 11.Qa1 dc4 12.Bc4=) 10.d4 (10.bc6 bc6 11.d4 Rb8=) 10...dc4+= 11.0-0 1–0. DEFFM – sndidn, freechess.org, 2018.

8.Be2 cb5 9.ab5 Nb6 (9...dc4 10.Na3=) 10.Qb3 (10.d3 dc4 11.dc4 Bb4 12.Nbd2 Ne4=) 10...dc4+= 11.Bc4 Nc4 12.Qc4 a5 13.ba6 (13.e4 Bb4=) 13...ba6+= 14.0-0 (14.Qh4 Nd5+=) 14...Bb7-/+ 15.Nc3 (15.d3 Bf3 16.gf3 Bh2 17.Kg2 a5-/+) 15...Bf3 16.gf3 Qb8 17.Ba3 (17.Rfb1 Bh2 18.Kg2 Be5-/+) 17...Bh2 18.Kg2 Rc8 19.Qh4 Be5 20.Rab1 (20.d4 Bg3 21.Qg3 Qg3 22.fg3 Rc3-/+) 20...Qc7–+ 21.Ne4 Ne4 22.Qe4 f5 23.Qh4 Bf6 24.Qh3 g6 25.Rbc1 (25.d4 e5 26.de5 Be5-/+) 25...Qa5–+ 26.Rh1 Qa3 27.Qh7 Kf8 28.Qg6 Qe7 (28...Rc1 29.Qf6 Ke8 30.Qe6 Kd8 31.Rh8 Kc7 32.Rh7 Qe7 33.Re7 Kb8 34.Qe5 Kc8 35.Qh8) 29.Rh7? (29.Rc8 Rc8 30.Rh7 Bg7–+) 29...Bg7 (better is 29...Rc1 30.Qh6 Ke8 31.Qg6 Kd7 32.Re7 Be7–+) 30.Rch1 Qf6 (30...Qf7 31.R1h6 Qg8 32.Kf1–+) 31.Qf6 Bf6 32.R1h6 Bg7 33.Re6 Rc7 34.Rh1 (34.d4 a5–+) 34...a5 35.Rb6 a4 36.d4 Rc2 (36...f4 37.Rh4 fe3 38.fe3–+) 37.Ra1? (37.Rb5 a3–+) 37...Kf7 (better is 37...f4!? 38.Kf1 a3 39.Rb4–+) 38.Rb7 Kg6 39.Rb6 Bf6 40.Ra3 f4! 41.Kf1 (41.ef4 Kf5 Decoy) 41...Rh8 42.Kg2 Rc1 43.ef4 (43.Rc6 Rc6 44.Ra4 Rc1 45.ef4 Kf5 46.Ra5 Kf4 47.Ra4 Rg8 48.Kh2 Rc7 49.d5 Kf3 50.Ra3 Kf2 51.Ra2 Kf1 52.Ra1 Ba1 53.d6 Rh7) 43...Rhh1 44.f5 Kf5 45.f4 Rcg1 46.Kf3 Rh3 (46...Rh3 47.Ke2 Ra3–+) 0–1. purplegadge (1705) – ivo_de_tailleboi (1780), gameknot.com, 2012.

8.Be2 e5 9.0-0 Qe7 (9...Qc7 10.Ba3+=) 10.d4 e4 11.Nfd2 Re8 12.Ba3 Nf8 (12...c5 13.Nc3=) 13.Bd6+= Qd6 14.Nc3 Bd7 15.c5 Qe7 16.a5 cb5 17.Nb5 Bc6 (17...Bb5 18.Bb5 Rec8 19.a6+=) 18.Qb3 (18.Nd6 Red8+/-) 18...a6 (18...Bb5!? 19.Qb5 Ne6+=) 19.Nd6+/- Red8 20.Nf5 (20.f3 Ne8 21.Nf5 Qd7 22.fe4 de4+/-) 20...Qe6 21.Ng3 Ng6 22.Rfb1 Ng4? (22...Rac8 23.Rb2+=) 23.Qd1 (better is 23.Nde4!? de4 24.Qe6 fe6 25.Bg4+-) 23...f5 24.Rb6 Nh6 (24...Nf6 25.Rab1+=) 25.Ndf1 (25.Qb3!?+/-) 25...f4+= 26.Nh5 Rf8 27.Rb2 (27.Rab1 f3 28.gf3 Qh3+=) 27...Rf7= 28.Nf4 Nf4 29.ef4 Rf4 30.Ne3 Raf8 31.Bf1 Qf6 32.Raa2 Qg6 (32...Nf5 33.Nf5 Rf5 34.Qd2=) 33.g3 (33.Rb6 Ng4 34.Ng4 Rg4= (34...Qg4? 35.Qg4 Rg4 36.Ba6 ba6 37.Rc6+-)) 33...R4f7 34.Bh3 Rf3 35.Bg2 R3f6 36.h3 Qg5 37.Qe1 Nf5 38.Nf5 Rf5 39.Rb6 1–0. algernon (2400) – fischerjunior (2315), net–chess.com, 2014.

8.Be2 Re8 9.0-0 e5 10.d4 e4 11.Nfd2 Nf8 (11...Bb8 12.Nc3=) 12.c5 (12.Nc3 Bb8=) 12...Bb8 13.Re1 1–0. DEFFM – jboimustapha, freechess.org, 2018.

8.Qc2 Nbd7 9.bc6 bc6 10.cd5 cd5 11.Qc6+=.

8.Qc2 e5 9.c5 Bc7 10.Be2 Nbd7 11.0-0= Nf8 (11...e4 12.Nd4=) 12.d3 (12.d4 e4 13.Nfd2 Bg4 14.Bg4 Ng4+=) 12...Ng6 13.Nbd2 Bd7 (13...Qe7 14.Rfb1=) 14.d4 (14.Rfb1 Bf5=) 14...e4+= 15.Ne1 Ng4 16.Bg4 (16.g3 Qg5+=) 16...Bg4 17.Nb3 (17.Nb1 Qg5 18.Nc3 Nh4 19.bc6 Ng2–+) 17...Qh4 (17...Qg5 18.bc6 bc6 19.Nc1-/+) 18.g3 (18.h3 Bd7-/+) 18...Qh3 (18...Qh5 19.bc6 bc6 20.Ng2-/+) 19.Nc1 (19.Ng2 Bf3 20.Ne1 Nh4–+) 19...Nh4 (19...Qh5 20.Ng2-/+) 20.Ne2?? (better is 20.f4-/+) 20...Nf3 0–1. hal1958 – faramarzB, playchess.de, 2002.

8.Qc2 e5 9.c5 Bc7 10.Be2 Nbd7 11.d3 (11.0-0 e4 12.Nd4 Qe7=) 11...Qe7+= 12.Ba3 Qe6 13.Nbd2 Qg4 (13...Ba5 14.0-0=) 14.bc6 bc6 (14...Qg2? 15.Rg1 Qh3 16.cd7 Bd7 17.Bb2+-) 15.Ne5 Qg2 16.Bf3 Qh3 17.Nc6 Ne5 18.Ne5 Be5 19.Bb2 Bg4 20.Bg4 Ng4 Will h2 fall? 21.Be5 Re5 22.Qc3?? (better is 22.e4-/+) 22...Nf2!–+ 23.Nf1 (23.Kf2 Qe3 Mate attack) 23...Re3 (23...Nh1?! 24.Qe5 Qh4 25.Kd1+=) 24.Ne3 Qe3 (24...Nh1?! 25.Qe5 Qh4 26.Kd1 Nf2 27.Ke2-/+) 25.Kf1 Nh1 (25...Nh3 26.Qb2 Re8 27.Kg2 Qg5 28.Kf1 Qf5 29.Kg2 Qg4 30.Kf1 Qf3 31.Qf2 Qf2) 26.Kg2 (26.Qc2 Qg5 27.Re1 Rb8–+) 26...Nf2 27.Re1 Qd3 28.Qc1 (28.Re3 Qf5 29.Rf3 Ne4 30.Qg7 Kg7 31.Rf5 Nc5 32.Rd5 Na4–+) 28...Ne4 29.c6 Rc8 30.c7 h5 31.Kg1 (31.Rf1 h4 32.Kg1 h3–+) 31...Qd4 32.Kh1 (32.Qe3 Qe3 33.Re3 Rc7–+) 32...Nf2 33.Kg2 Nd3 34.Re8 (34.Qe3 Ne1 35.Qe1 Qa4 36.Qc1–+) 34...Re8 35.c8Q Qf2 36.Kh1 Rc8 (36...Rc8 37.Qc8 Kh7 38.h4 Qh4 39.Kg2 Qe4 40.Kg1 Nf4 41.Qg8 Kg8 42.Kf2 Qe2 43.Kg3 g5 44.a5 h4) 0–1. Samoun,F (2240) – Gantner,L (2210), 90th ch–Paris IdF, 2015.

8.Qc2 e5 9.c5 Bc7 10.Be2 Bg4 11.0-0+=.

8.Be5 a6=.

8.Be2 Nbd7 9.0-0 e5 10.d3 dc4 11.dc4 Bc7 (11...Qc7!?+=) 12.Qc2= e4 13.Nd4 (13.bc6 bc6 14.Nd4 Nc5=) 13...c5 14.Nf5 Be5 (14...Ne5!? 15.Ng3 Nd3=) 15.Rd1 Bb2 (15...Qc7!? 16.Nc3 Bh2 17.Kh1 Be5=) 16.Qb2+/- Qc7 17.Nd6 Re6 18.Qd2 White plans a5 18...b6 19.a5 Bb7 (19...ba5 20.Qa5 (20.Ra5? Rd6 21.Qd6 Qa5–+) 20...Nb6 21.Nc8 Qc8 22.Ra2+/-) 20.a6 Bc8 (20...Bd5 21.Nf7 (21.cd5?! Rd6 22.Nc3 Qd8+=) 21...Kf7 22.cd5+-) 21.Nc3+- Ne5? (better is 21...Rb8+-) 22.Nde4 Neg4 (22...Qd7 23.Nf6 gf6+-) 23.Bg4 Re4 24.Bf3 Bf5 25.Ne4 Ne4 (25...Be4 26.Be4 Ne4+-) 26.Qd5 (26.Qd5 Rf8 27.Qf5+-) 1–0. DEFFM – GuestHKHW, freechess.org, 2018.

8.0-0 b6=.

8.Nc3 e5 9.0-0 e4 10.Nd4 c5 11.Nb3 Qc7 Black prepares the advance c4 12.Kh1 c4 (12...Be6!?+=) 13.Nd4= Qe7 14.Qc1 (14.f3 ef3 15.Rf3 Be6=) 14...Bd7 15.Qe1 Qe5 16.f4 ef3 17.Nf3 Qf5 18.d3 Re8 19.Qh4 Re3?? (better is 19...Qg4 20.dc4 Qh4 21.Nh4 Re3=) 20.Ng5+- Qg6?! (20...Qe5 21.Nd1 Rh3 22.Be5 Rh4 23.Bd6 ab5 24.Nc3 cd3 25.Bd3 (25.cd3?! ba4 26.Nd5 Nd5 27.Rf7 Nc6 28.Rd7 Nf6 29.Rb7 Rd4+-) 25...Rha4 26.Na4 ba4 27.Be7+-) 21.Nd5! Nd5 (21...h6 22.Ne3 hg5+-) 22.Bh5 Qh6 (22...Bf5 23.Bg6 Bg6 24.Qc4 Nf6 25.Bf6 Nd7+-) 23.Bf7 Kh8 (23...Kf8 24.Nh7 Qh7 25.Qd8 Re8 26.Be8 Bf4 27.Bd7 Kf7 28.Qe8#) 24.Qh6 (24.Qh6 Nf6 25.Bf6 gf6 26.Qf6#) 1–0. ossekop (2070) – sabyyavin (1605), gameknot.com, 2013.

8.c4 ab5 9.ab5 Ra1 10.Ba1 cb5 11.cb5 Nbd7 12.0-0 e5 13.d3 Re8 14.Qc2 Nf8 15.Nc3 h6 16.Rc1 Ne6 Black prepares the advance d4 17.Na4 d4 18.ed4 (18.Nd2 Nc7=) 18...ed4 (18...Nd4 19.Nd4 ed4 20.g3=+) 19.Qc4 (19.g3 Ba3 20.Bb2 Qd6=) 19...Nf4 20.Bf1 Bg4 21.Nd4 (worse 21.Bd4 Bf3 22.gf3 N6d5-+) 21...Nd7 22.g3 Ne5 23.Qc3 Nh3 24.Bh3 Bh3 25.f3? (better 25.Bb2=+) 25...Qe7-+ 26.Qd2 Ra8 27.f4 Ra4 28.fe5 Qe5 29.Nf3 Qb5 30.Qe3 Ba3 31.Re1 Bc5 32.d4 Bf8 33.Qf2? (33.Bc3-+) 33...Bb4 34.Rc1 Qd5 35.Nh4 (35.Ne5 Ra2 36.Qf3 Rg2 37.Kh1-+) 35...Ra2 36.Bb2 (36.Qf3 Qg5 37.Rd1 Qa5-+) 36...Qb3 37.Qe2 (37.g4 Rb2 38.Qg3-+) 37...Rb2 38.Qe8 Bf8 (38...Bf8 39.Qe4 g5-+) 0-1. DEFFM – GuestJDBQ, freechess.org, 2021.

8.c4 ab5+= 9.ab5 Ra1 10.Ba1 dc4 (10...cb5 11.cb5 Nbd7 12.d4+=) 11.Bc4 Bd7 (11...Nd5 12.Qb3+=) 12.bc6 (12.Nc3 e5+=) 12...Bc6 13.Be2 Nbd7 14.0-0 Qc7 15.h3 Rb8 16.Nd4 e5 (16...Nd5 17.Nc6 Qc6 18.Qb3+=) 17.Nc6 bc6 (17...Qc6 18.d4=) 18.d3 (18.Nc3 Nb6=) 18...Nc5 (18...Nd5 19.Qc2=) 19.Nd2 Nd5 20.Qc2 Nb4 21.Qc4 Nd5 (21...Ne6 22.Bg4 Nc5 23.d4 ed4 24.Qd4=) 22.Be5 Be5 23.Qc5 Rb2 24.Qc1 Nc3 25.Bf3 Na2 26.Qd1 Nc3 27.Qe1 c5 (27...Ra2 28.Nc4 Nd5 29.Ne5 Qe5 30.d4+/-) 28.d4 cd4 29.ed4 Bh2 (29...Bd6 30.Qe8 Bf8 31.Qe3+/-) 30.Kh1 Bd6 31.Qe3 Rc2 32.g3 (32.Re1 g6 33.g3 Bb4+/-) 32...Qd7 (32...g6 33.Re1+/-) 33.Kg2 Nb5 34.Rb1 Rc3 (34...Ra2 35.Qd3 Na3 36.Rb7+/-) 35.Qg5+- Nd4 (better is 35...Na7!?+-) 36.Qd5 Nf3 (36...Nc6 37.Ne4 Rf3 38.Kf3+- (38.Qd6?! Qd6 39.Nd6 Rd3=; 38.Nd6?! Rf6 39.Rd1 Re6=)) 37.Rb8!! (37.Nf3?! Qe7+=) 37...Rc8 (37...Bb8 38.Qd7) 38.Qd6!! Ne1 (38...Qd6 39.Rc8) 39.Kf1 Qh3 40.Ke1 h6 41.Rc8 Qc8 42.Qd5 (42.Ne4 Qe8 43.Qd5 Kh8+-) 42...Qc7 (42...Qc3 43.Ke2+-) 43.Ne4 Qe7 44.Kf1 h5 45.Kg2 g6 46.f4 Kf8 (46...Kg7 47.Qe5 Qe5 48.fe5+-) 47.f5 f6 (47...gf5 48.Qf5 Kg7 49.Ng5+-) 48.fg6 Kg7 49.Qf7 Qf7 50.gf7 Kf7 51.Kh3 f5 52.Nf2 (52.Nf2 Ke6 53.Kh4+-) 1–0. Mehlhorn,Uwe – Schweizer,H, BFH–073, 2001.

8.c4 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3 Nc6 14.Nc3 Ne5 15.Bb1 Bc6 16.Nd4 Bg2 17.Rg1 Bc6 18.f4 Ng6 19.Nc6 bc6 20.Qf3 Qb6 21.Qg3? (better is 21.Bc2-/+) 21...Ra8–+ 22.Ba2 Bb4 23.h4 (23.f5 ef5 24.Qf2 f4 25.Rg6 hg6 26.Qf4 Bc3 27.Bf7 Kf7 28.Bc3 Qb1 29.Ke2 Qb5 30.Ke1 Ke6–+) 23...Qc5 (better is 23...Bc3!? 24.Bc3 Ne4 25.Bd4–+) 24.f5 (24.Rg2 Bc3 25.dc3 Ne4–+) 24...Qf5 (24...ef5?! 25.Qc7 Qa7 26.Qc6–+) 25.Bb1 (25.Qc7 Ne5 26.Rf1 Qh5–+) 25...Ra1 26.Qb8 Bf8 27.Qb2 Qa5 28.Rg5 Qa3 29.Qc2 (29.Qa3 Ra3 30.Bg6 hg6–+) 29...Qb4 30.e4 (30.Rg1 Nd5 31.Ke2 Qc4 32.Kf3 Ne5 33.Kg2 Qg4 34.Kf1 Qh3 35.Rg2 Qf5 36.Qf5 ef5–+) 30...Ne4! 31.Rg4 f5 0–1. Casocobos Rodriguez,G – Santirso Alvarez,R, Asturias–chT, 1993. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 c6 5.e3 Bd6 6.a4 0-0)

8.0-0 Qc7 9.d3 Ne5 (9...e5 10.Nc3+=) 10.Nbd2 cb5 (10...Nf3 11.Nf3 e5 12.d4 ed4 13.Qd4+=) 11.ab5 b6 (11...Bd7!? 12.Ne5 Be5 13.Be5 Qe5+=) 12.Ne5+/- Be5 13.Be5 Qe5 14.Nf3 (14.d4 Qd6+/-) 14...Qc7 15.Qd2 (15.Qc1 e5+=) 15...Bb7 (15...Bd7 16.c4+=) 16.Rfc1+= h6 (16...a5 17.ba6 Ra6 18.Ra6 Ba6 19.Qb4+=) 17.c4 Qe7 (17...Qd6 18.cd5 ed5 19.Qb2+/-) 18.d4 (18.cd5 ed5 19.Ra2 a5 20.ba6 Ra6+/-) 18...dc4+= 19.Rc4 Bd5 20.Rc2 Qb7 21.Rac1 Rac8 22.Rc8 (22.Ne5!? Rc2 23.Qc2 Bg2 24.Qc7+=) 22...Rc8= 23.Rc8 Qc8 24.Ne5 Ne4 25.Qd1? (better is 25.Qb2=) 25...Nc3–+ 26.Qe1 Ne2 27.Qe2 Qc1 28.Qf1 Qf1 29.Kf1 Bc4?? (better is 29...Kf8–+) 30.Nc4+- Kf8 31.Ke2 Ke7 32.Kd3 (32.Ne5 Ke8+-) 32...g6 (32...f6 33.e4+-) 33.Ne5 h5 (33...Ke8 34.e4+-) 34.Nc6 Kd6 (34...Kd7 35.d5 ed5 36.Na7+-) 35.Na7 Kc7 (35...g5 36.Nc8 Kc7 37.Nb6 Kb6 38.Kc4+-) 36.Ke4 Kd6 (36...f6 37.d5 f5 38.Ke5 ed5 39.h4+-) 37.Nc8 Kc7 38.Ne7 Kd7 (38...g5 39.Ke5 Kd7 40.Kf6+-) 39.Nc6 (39.Ng6!? Ke8+-) 39...Kd6 (39...f6 40.Ne5! Ke7 41.Ng6 Kd6 42.h4+-) 40.Ne5 Ke7 (40...f6 41.Ng6 Kc7 42.Nf4+-) 41.Nc4 (41.Nf7 Kf6 42.Kf4 Ke7+-) 41...Kd7 (41...g5 42.Nb6 h4 43.h3+-) 42.Nb6 Kc7 (42...Kd6 43.Nc4 Ke7 44.b6+-) 43.Nc4 (better is 43.Ke5 Kd8+-) 43...Kb7 (43...f6 44.d5 f5 45.Ke5 ed5 46.Kd5+-) 44.Ke5 1–0. tsodikovich (1765) – hamis, gameknot.com, 2017.

8.0-0 Qc7 9.h3 e5 10.d4 e4 11.Nfd2 h6 (11...a6 12.c4+=) 12.c4= Re8 13.Nc3 Nf8 14.bc6 bc6 15.cd5 cd5 16.Nb5 Qe7 17.Nd6 Qd6 18.Ba3 Qd8 19.Nb3 Ne6 20.Qd2 Bd7 21.Bb4 Qb6 22.Nc5 Nc5 23.dc5 Qe6 24.Bc3 Bc6 25.Qd4 Qe7 26.Rfb1 Reb8 27.Rb8 Rb8 28.Qe5 Qe5 29.Be5 Rb4 30.Bb5 (30.Bb5 Bb5 31.ab5 Rb5 32.c6+/- (32.Ra7?! Rc5 33.g4 Rc2+=)) 1–0. pcmvr (2845) – kinderchocolate (2235), net–chess.com, 2012.

8.0-0 e5 9.Nh4 Nb8 10.Nf3 Qc7 11.Ba3+=.

8.0-0 Qe7 9.d4= e5 10.de5 Ne5 11.Be5 Be5 12.Ne5 Qe5 13.Nd2 Bf5 14.Nf3 Qc3 15.Nd4 Bd7 16.a5 c5 17.Nf3 Bf5 18.Bd3 Bg6 (18...Be4 19.Qd2 Qd2 20.Nd2=) 19.Bg6+= hg6 20.Re1 Rad8 21.a6 b6 22.Rb1 Ne4 23.Rb3 Qf6 24.Qa1 Rfe8 25.Qf6 gf6 26.Rd1 f5 27.Rbd3 Nf6 28.Kf1 (28.c4 Re4 29.Nd2 Re7+=) 28...Re4 29.c3 Kg7 30.h3 Rh8 31.Nd2 (31.Rc1=) 31...Ree8 (better is 31...Ra4!?=) 32.c4+/- dc4 33.Nc4 Re4 34.Rc1 Rhh4 35.Nd6 Rb4 36.Rc2 (36.f3!?+=) 36...Rh8 37.f3 (37.Ke2 Ne4=) 37...Ne8+= 38.Nc8 (38.Nc4 Nc7+= (worse is 38...Rb5 39.Rd7+/-)) 38...Rb5-/+ 39.Na7 Ra5 (39...Rb1!? 40.Kf2 Nc7-/+) 40.Rb3 Ra6 41.Nc8 Nf6 42.Nb6 Rb8 43.Rcb2 Ra1 44.Ke2 Rg1 45.Kd3 Ne8 (45...g5 46.Rb5=) 46.Rc3+= c4 (46...Rd1 47.Ke2 Rd5+/-) 47.Rc4+/- Nd6 48.Rc6 (48.Rcb4 g5+/-) 48...Ne8 49.Rc8 Rc8 50.Nc8 Nc7 51.Rd2 Ne6 52.Nd6 Kf8 53.Kc2 Ke7 54.Nc8 Ke8 55.Nb6 Ke7 56.Nd5 Ke8 57.Kc3 Kf8 58.Rb2 Kg7 59.Rc2 Kf8 60.Kc4 Kg7 61.Kd3 Kf8 62.Rb2 Kg7 63.Ra2 Kf8 64.Kc3 Kg7 (64...Kg7 65.Re2 Rc1 66.Rc2 Rg1+/-). mrkt (2135) – Lefevre (2115), GameColony.com, 2002.

8.0-0 Re8 9.c4 e5 10.cd5 cd5 11.Nc3 b6 12.d4 Bb7 (12...e4 13.Nd2=) 13.Ba3 Qc7 (13...Ba3 14.Ra3 e4 15.Nd2+=) 14.Bd6+= Qd6 15.de5 Ne5 16.Qd4 Rac8 17.Ne5 Re5 18.Rfd1 Re7 19.a5 Ne4 (19...Ne4 20.Ne4 Qc7 21.ab6 ab6+-). Porkolab,Sandor – Lois,Spyros (1765), FICGS, 2009.

8.Nc3 e5 9.0-0 Qc7 10.bc6 bc6 11.Ba3+=.

8.c4 e5 9.0-0 e4 10.Nd4 c5 11.Nf5 Be5 12.Bc3 g6 (12...Re8 13.a5+=) 13.Be5 Ne5 (worse is 13...gf5 14.Bb2+/-) 14.Ng3 d4 15.ed4 (15.Qb3 h5 16.f4 Neg4+=) 15...Qd4-/+ 16.Nc3 Re8 17.a5 Be6 (17...Bf5 18.Qc2-/+) 18.Qc2+= Bc4 (18...Bf5 19.Ra4+=) 19.Ra4 Bd3 20.Rd4 Bc2 21.Rd6 Re6 22.Re6 fe6 23.Rc1 Bd3 24.Bd3 Nd3 (24...ed3 25.Na4 c4 26.f4=) 25.Rc2 Nd5 (25...Rd8 26.Nce4 Ne4 27.Ne4=) 26.Na4 (26.Nce4 b6+=) 26...b6+= 27.Ne4 Rd8 (27...Kf8 28.Kf1+=) 28.Kf1= h6 29.g3 Ne5 30.Ke2 g5 31.Rc1 g4 (31...Kf8 32.h3=) 32.h3 Nf3 (32...h5 33.Ng5=) 33.hg4 Nd4 34.Kf1 (34.Ke1 Nb5 35.Rb1 Nd6=) 34...Nb5 35.Nb2 Kf8 (35...Nd4 36.Rb1=) 36.Nc4+= Nd4 37.ab6 ½–½. mrkt – Lork, internet, 2006.

8.d4 Qa5 9.Nbd2=+.

8.d4 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1=.

8.d4 c5 9.0-0 b6 (9...cd4 10.ed4 Re8 11.Re1=) 10.c4 dc4 (10...a6 11.Nc3=) 11.Nbd2 (11.dc5 Nc5 12.Bc4 Bb7=) 11...cd4 (11...c3 12.Bc3 Nd5 13.Bb2=) 12.Nc4+= Bc7 13.Nd4 (13.Qd4 a6+=) 13...Bb7 (13...Nd5+=) 14.Bf3 (14.Nc6!? Qe8 15.a5+/-) 14...Bf3 (14...Bh2 15.Kh1 Bf3 16.Qf3=) 15.Qf3 (15.Nf3 a6 16.Qd4=) 15...e5 (better is 15...Bh2!? 16.Kh2 Qc7 17.Kg1 Qc4=) 16.Nc6+/- Qe8 17.Qf5 e4 (17...a6 18.Ba3 Nc5 19.Bc5 bc5 20.Rad1+/-) 18.Ba3+- Nc5 19.Bc5 bc5 20.Qc5 Nd7 21.Ne7 Kh8 22.Qc7 Qe7 23.Rfd1 (23.Nd6 Qe6+-) 23...Rfd8 (23...Qe6 24.Rd6 Rfc8 25.Qd7 (25.Rd7?! Rc7 26.Rc7 g5+=) 25...Qc4 26.Rad1+-) 24.Nd6 Qe6? (24...Kg8+-) 25.Nb7 Qf6 (25...Rac8 26.Nd8 Rc7 27.Ne6 fe6+-) 26.Nd8 Rd8 27.Rac1 Qe7 (27...g6 28.Rd7 Rd7 29.Qd7+-) 28.Rd4 (28.Qd7 Qd7 (worse is 28...Rd7 29.Rc8 Qd8 30.Rd8 Rd8 31.Rd8) 29.Rd7 Rb8 30.Ra7 h5 31.Rf7 Kg8+-) 28...f5 (28...Kg8 29.Rcd1 h6 30.Qa7+-) 29.Rcd1 (29.Qd7 Qd7 (29...Rd7?? 30.Rc8 Qd8 31.Rd8 Rd8 32.Rd8) 30.Rd7 Rb8+-) 29...Qg5 (29...h6+-) 30.Rd7 Rg8 31.Rd8 h5 32.Rg8 (better is 32.Qc8! Rd8 33.Rd8 Qd8 34.Qd8 Kh7+-) 32...Kg8 33.Qd8 Qd8 34.Rd8 Kf7 35.Rd7 Kf6 (35...Ke8 36.Ra7 Kd8+-) 36.Ra7 g5 37.b6 f4 38.b7 Kf5 39.Ra5 Kg4 40.b8Q Kh4 41.Qc8 g4 42.Qd8 1–0. Fichte,Wolfgang – Poetsch,Hagen, Bad Zwesten op 7th, 2003.

8.d4 Re8 9.Nbd2 e5 10.de5 Ne5 11.0-0 Qc7 12.g3 (12.Be5 Be5 13.Ne5 Qe5=) 12...Bh3 13.Re1 c5 14.Bf1 Bg4 15.Bg2 Rad8 16.h3 Bh5 17.g4 Bg6 18.Nh2?? (better is 18.Ne5 Be5 19.Be5 Qe5 20.f4=) 18...Nc4–+ 19.Nc4 (19.Bf6 Bh2 (19...gf6?! 20.Nhf3=) 20.Kh1 gf6 21.Nc4 dc4–+) 19...Bh2 (19...dc4?! 20.Nf3 Bh2 21.Nh2 Rd1 22.Red1–+) 20.Kh1 dc4 21.f4 (21.Qf3 Ne4 22.Red1–+) 21...Rd1 22.Rad1 (22.Red1 Bc2 23.Rdc1 Bb3 24.Kh2 Re3–+) 22...Bg3 23.Re2 (23.f5 Be1 24.Bf6 Bf2–+) 23...Be4 (23...Bf4 24.Bf6 gf6 25.Rde1–+) 24.Be4 (24.Be5 Qe7–+) 24...Ne4 25.Be5 Re5 (better is 25...Qa5!? 26.Kg1–+) 26.fe5 Nf2 27.Kg2 (27.Rf2 Bf2 28.Kg2 Be3–+) 27...Nd1 28.Kg3 Qe5 29.Kf3 Nc3 30.Re1 Qe4 31.Kf2 Qc2 32.Kf1 Qh2 (32...Ne4 33.Re2 Qd1 34.Kg2 Qe2 35.Kh1 Qf2 36.a5 Ng3) 33.e4–+ Ne4! 34.Re4 Qh1 0–1. Barrow,Aziz – Ievlev,Yevgeny, Internet Section, 2004.

7.c4 0-0 8.Nc3 e5 9.bc6 bc6 10.d4 Bg4+=.

7.c4 0-0 8.Nc3 e5 9.d4 (9.bc6 bc6 10.d4 Bg4+=) 9...e4 10.Ne5 Nbd7 (10...Re8 11.Be2+=) 11.Nd7= Bd7 12.c5 Be7 13.b6 Bg4 14.Ne2 Nd7 15.h3 Bh5 (15...Be6 16.Nf4=) 16.Qb3 (16.Qc2 Bg5=). michaelbuss (2600) – average_at_chess (2230), ChessWorld.net, 2003.

7.c4 0-0 8.Nc3 e5 9.cd5 cd5 10.Be2 a5 11.0-0 h6 12.d4 e4 13.Nd2 Qe7 14.Rc1 Bf5 15.Qb3 Be6 16.f4 g6 17.g4 White prepares the advance f5 (17.Ndb1 Nbd7=) 17...Nbd7 (17...Ng4 18.Bg4 Bg4 19.Nd5+-) 18.Rf2 Nb6 19.f5 gf5 20.gf5 Bd7 21.Qd1 Kh8 22.Qb3 Rac8 23.Ra1 Rg8 24.Kh1 Rg5 25.Raf1 Rcg8 26.Qa2 Kh7 27.Qb1 Qf8 (27...Ng4 28.Bg4 Rg4 29.Nf3-+) 28.Nb3 Qg7 29.Nc5 (29.Na5 Bh2! 30.Qe1 Bb8 31.Nb7 Rg3 32.Bg4 Qg4 33.Rh2 Rh3 34.Qd2 Bh2 35.Nd5 Be5 36.Qh2 Rh2) 29...Bf5 (29...Rg2 30.Qe1-+) 30.Nb7 Bh2! 31.Qe1 (31.Rh2 Ng4 Double attack (31...Ng4 Decoy); 31.Kh2 Rg2 Mate attack) 31...Bh3 32.Ne4 de4 33.Rf6 (33.d5 Bf4! 34.Bg4 Rg4 35.Re2 Bf1 36.Qg3 Rg3 37.ef4 Rg1 38.Kh2 Qg3) 33...Rh5!! 34.Rg6 (34.Bh5 Qg2 Mate attack) 34…Bg2 (34...Bg2 35.Kg2 Qg6 36.Bg4 Qg4 37.Qg3 Qg3 38.Kh1 Qg2) 0-1. onur604 (2320) - Lyubomir007 (2270), Casual Rapid game, lichess.org, 2021.

7.c4 0-0 8.d4 b6+=.

7.c4 ab5 8.ab5 Ra1 9.Ba1 0-0 10.bc6 (10.Qc2 Nbd7+=) 10...bc6 11.Be2 Nbd7 (11...dc4 12.Ne5+=) 12.Qc2 (12.0-0 Ba6=) 12...Ba6 13.0-0 Qc7 (13...e5 14.d3+=) 14.d3 (14.Bf6 Nf6 15.d4 c5 16.cd5 Be2 17.Qe2 ed5 18.dc5 Qc5=) 14...dc4 15.dc4 e5 16.Nfd2 (16.Rd1 Ra8=) 16...Nc5 17.Nc3 Bc8 18.Nde4 Nfe4 19.Ne4 Be7 (19...Ne4 20.Qe4 f5 21.Qh4=) 20.Nc5 Bc5 21.Qe4 f6 (21...Re8 22.Bf3 Bd7 23.Rd1=) 22.h4 (22.Rd1 Be6+=) 22...g6 (22...Rd8 23.Bf3=) 23.Bf3 Bd7 24.h5 Be8 (24...gh5 25.Rd1=) 25.hg6 (25.Rd1 gh5 26.Bc3 Qb6+=) 25...hg6 26.Rd1 Kg7 27.g4 g5 (27...Bd7 28.g5 Be7 29.Bg2+=) 28.Qf5 Be7 29.Kg2 (29.Bc3 Rh8+=) 29...Rh8 30.Bc3 Rh6 31.Qe6 The isolani on c6 becomes a target (31.Kg1 Kf8=) 31...Kf8 32.Be4 (32.Rd2 Bf7 33.Qf5 Qb7=) 32...Bf7 33.Qc6 (33.Rd7 Be6 34.Rc7 c5=) 33...Qc6 34.Bc6 Bc4 35.Ra1 (35.Kg3 Bc5=) 35...Be6 ½–½. Fagerbekk,Egil (2290) – Mogstad,Ola P (2130), NOR/C, 2015.

7.c4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.cd5 cd5 (10...ed5 11.bc6 bc6 12.Be5=) 11.Be2 0-0 12.0-0 Qe7 13.Qb3 (13.Be5 Ne4=) 13...Rc8 (13...e5 14.Nc3 Be6 15.d4=) 14.d4 Be8 15.Nbd2 Nbd7 16.Bb2 Ne4 (16...Nb6 17.Re1=) 17.Ne4+= de4 18.Nd2 Nf6 19.Nc4 Bb8 20.Ba3 Qd8 21.Bc5 Nd7 (21...Nd5 22.b6+=) 22.Bd6 Rc4 23.Bb8 Rc8 24.Bf4 Qb6 (24...Nb6 25.Ra1+=) 25.Ra1 Nf6 Attacking the isolated pawn on b5 26.Bc4 Nd5 (26...Qd8 27.Bg3+=) 27.Bd5 ed5 28.Qd5 Qb5 29.Qe4 Bc6 30.Qc2 Qd5 Threatening mate... how? 31.f3 f5 32.Be5 Re8? (better 32...Qe6 33.Qb1 Kh8+-) 33.Qf5+- (33.Qf5 Qd8 34.e4+-) 1–0. onur604 (2320) – Bojan36 (2165), lichess.org, 2020.

7.c4 Bd7 8.Nc3 (8.ba6 Na6 9.Be5 Be5 10.Ne5 c5=) 8...ab5 (8...dc4 9.Bc4 0-0 10.0-0=) 9.ab5= Ra1 10.Qa1 dc4 (10...0-0 11.d4=) 11.Bc4 cb5 (11...Qb6 12.Qb1=) 12.Nb5+= Bb5 (12...Be7 13.0-0+=) 13.Bb5+/- Nc6 14.Qa4 (14.Nd4 Qc8+/-) 14...0-0+= 15.Bc6 (15.0-0 Nb4+=) 15...bc6 16.Qc6 Be7 (16...Qb8!? 17.Qc1 e5=) 17.0-0+/- Qd3 18.Qc3 Qd5 (18...Qb5 19.Qc2+/-) 19.Ra1 (better is 19.Qc2+/-) 19...Nh5?? (19...Rb8 20.Qc2+/-) 20.Qe5 (better is 20.Ra5 Qe4 21.Rh5 Qb1 22.Bc1+-) 20...Qe5 (20...Nf6 21.Qd5 Nd5 22.Kf1+/-) 21.Be5 Bf6 (21...Rc8 22.Kf1+/-) 22.d4+- Rc8? (better is 22...Be5 23.de5 g6+-) 23.g4 Be7 (23...Be5 24.de5 (24.Ne5?! Nf6+-; 24.gh5?! Bc7+/-) 24...Nf6 25.ef6 gf6 26.Nd4+-) 24.gh5 f6 (24...Bb4 25.Ra4 Bf8 26.Kg2+-) 25.Bf4 (25.Ra7 Kf8 26.Bc7 Ke8+-) 25...g5 (25...Rc3 26.Kg2+-) 26.hg6 hg6 27.Rb1 (27.Ra7 Bb4+-) 27...Kf7 (27...g5 28.Rb7 Bd8 29.Bd6+-) 28.Rb7 Rd8 29.Rc7 (29.e4 Ke8+-) 29...Rd5 (29...Ke8 30.h4+-) 30.Nd2 (better is 30.e4!? Rd8+-) 30...e5 31.e4 Rd4 32.Be3 Rd3 33.Bc5 Rd2 34.Be7 (34.Re7 Kg8+-) 34...Ke6 35.Bf8 (35.Bb4 Rd7 36.Rc6 Kf7+-) 35...f5 36.ef5 Kf5 37.Bg7 e4 (37...Ke6 38.Rc6 Rd6 39.Rd6 Kd6 40.Kg2+-) 38.Rf7 (38.Rc5 Ke6+-) 38...Kg4 39.Be5 (39.Kg2 e3+-) 39...g5 40.Kg2 Ra2 (40...Kh5 41.Re7+-) 41.h3 (41.Bd4!? Kh5+-) 41...Kh5 42.Bd4 Ra4 43.Be3 Ra5 (43...Kg6 44.Rf8+-) 44.Kg3 (44.Re7 Kg6 45.Re4 Kf5+-) 44...Kg6 (44...Re5 45.Rf8+-) 45.Re7 Kf5 46.Ra7 (46.Rg7 Kf6 47.Rg8 Rd5+-) 46...Rb5 (46...Rd5 47.Rg7 Kf6 48.Rg8+-) 47.Rc7 (47.Ra8 Rd5+-) 47...Rb1 (47...Rd5 48.Rg7 Kf6 49.Rg8+-) 48.Rc5 Kf6 49.Rg5 Rg1 50.Kh4 Rb1 (50...Rd1+-) 51.Kg3 (better is 51.Bd4!? Kf7 52.Re5 Re1+-) 51...Rg1 52.Kh2 Re1 (52...Rg5 53.Bg5 Kg5 54.Kg3+-) 53.h4 Re2 (53...Ke6 54.Kg3+-) 54.Rg2 (better is 54.Kg3!? Re1+-) 54...Ra2 55.h5 Ra5 56.h6 Rh5 57.Kg1 Rd5 (57...Rh3 58.Rg7 Ke5+-) 58.h7 (58.h7 Rh5 59.Bd4 Ke6 60.Rh2 Rh7 61.Rh7+-) 1–0. Trkn – goldenbeauty, itsyourturn.com, 2000.

7.Be2 Qe7 8.0-0 0-0 9.c4 e5 10.d3 (10.d4 ed4 A) worse is 11.Nd4 Qe5 12.f4 Qe3 13.Kh1 dc4-/+ (13...Bf4?! 14.Nc2 Qe4 15.Bd3=); B) 11.ed4?! dc4 12.bc6 Nc6=; C) 11.Qd4 dc4 12.Rd1=) 10...Be6 (10...ab5 11.ab5 Ra1 12.Ba1 dc4 13.dc4 cb5 14.cb5=) 11.Nbd2 (11.Ne5!? ab5 12.ab5 Ra1 13.Ba1+=) 11...Nbd7 12.Ng5 a5 13.Ne6 fe6 14.Bf3 c5 Black prepares d4 15.e4 d4 16.Bc1 b6 17.g3 h6 18.Bg2 Nh7 19.Nf3 Rf6 20.Bd2 Raf8 21.Qe2 Kh8 22.h4 Qf7 23.Nh2 Qg8 24.Bh3 Rd8 25.Qe1 Ndf8 26.Ba5 (26.Ng4 Rf7+=) 26...ba5= 27.Qa5 Nd7 28.Qd2 Ra8 29.a5 Bc7 30.b6 Nb6 (better is 30...Bd6+=) 31.ab6+/- Bb6 (31...Bd6 32.Ra7+-) 32.Ng4+- Rff8 (32...Ra1 33.Ra1 Qc8 34.Qb2+-) 33.Ne5 Rf6 34.Nd7 e5 35.Nf6 gf6 (35...Nf6 36.Be6! Qd8+-) 36.Ra8 Qa8 37.Qh6 Qf8 38.Qf8 (38.Qh5!? Qe7 39.Rb1 Bc7+-) 38...Nf8 39.f4 f5 (39...ef4 40.Rf4 Kg7 41.Bf5+-) 40.Bf5 (40.fe5 Bc7+-) 40...ef4 41.Rf4 Kg7 42.g4 Ba5 43.g5 Kg8 (43...Bd2 44.Rg4 Ng6 45.Bg6 Kg6 46.e5+-) 44.h5 Bd2 45.Rg4 Be3 46.Kg2 Kh8 47.e5 Bd2 48.e6 Ne6 49.Be6 Be3 50.g6 (50.h6 Bc1 51.Bf5 Kg8 52.h7 Kg7 53.Rh4 Be3 54.h8Q Kf7 55.Rh7) 50...Bg5 (50...Kg7 51.Rg3 Bf4 52.Rf3+-) 51.Re4 Bf4 52.Bd5 Bg5 53.Re8 Kg7+- 54.Rg8 Kh6 55.Rh8 Kg7 56.Rh7 Kf6 57.g7 Ke5 58.g8Q Kd6 59.Qe6 (59.Qg5?!) 1–0. Starr,Albert Martin – Yeh,Andrew, San Francisco Bernardo Smith mem, 2005.

7.ab5 0-0 8.Be2 e5 9.Ne5 Qc7 10.f4 Nbd7 11.Nd7 Bd7 (better 11...Nd7!? 12.0-0 a5+/-) 12.Bf6+- gf6 13.Nc3 d4 14.Nd5 (worse 14.ed4 Bf4 15.Ne4 Kg7+/-) 14...Qd8 15.Bd3 f5 16.Qh5 Be7 (16...de3 17.de3 Re8 18.Bf5 Bf5 19.Qf5+-) 17.Bf5 (worse 17.Ne7 Qe7 18.Kf2 de3 19.de3 Rfe8+-) 17...Bf5 18.Qf5 de3 19.de3 (worse 19.Ne3 Re8+-) 1-0. DEFFM – GuesBibha, freechess.org, 2021.

7.ab5 a6 8.c4 Qc7 (better is 8...0-0!?=) 9.cd5 ed5 (9...e5 10.ba6 ba6+/-) 10.Nc3 (10.Bf6!? gf6 11.Nc3+/-) 10...0-0 (10...a5 11.Qb3 0-0 12.Nd5 Nd5 13.Qd5+/-) 11.Qb3+= The isolani on d5 becomes a target 11...Be6 12.Nd4 (12.ba6 ba6 13.Nb5 Qb7 14.Bf6 ab5 15.Qb5 Ra1 16.Ba1 Qe7+=) 12...Nbd7= 13.Ne6 fe6 14.h3 1–0. GuestQWHN – GuestJXYX, freechess.org, 2017.

7.ab5 Qb6 8.Bf6 gf6 9.g3 Bd7 10.Nc3 Bb4 11.Rb1 Bc3 12.dc3 Ke7 13.Bd3 Qd6 14.0-0 e5 15.Be2 e4 16.Nd4 Bh3 17.Re1 Nd7 18.c4 Ne5 19.cd5 Rhg8 20.c4 b6 21.Nc6 Nc6 22.dc6 Qd1 23.Red1 Rgd8 24.Rd8 Rd8 25.Rd1 Rd1 26.Bd1 Kd6 27.Be2 Kc5 28.f3 ef3 29.Bf1 Bc8 30.Kf2 a6 31.Kf3 ab5 32.cb5 Kd5 33.e4 Ke5 34.Bc4 Kd4 35.Bf7 Kc5 36.Be8 Kb5 37.Bd7 Ba6 38.c7 Kc5 39.c8Q Bc8 40.Bc8 b5 41.Be6 b4 42.Ke3 Kd6 43.Bd5 Ke5 44.h4 h5 45.Bf7 f5 46.ef5 Kf5 47.Bh5 Ke5 48.Bd1 Kd5 49.Bb3 Kc5 50.h5 Kc6 51.h6 Kb5 52.h7 Kc6 53.h8Q Kc5 0–1. Abdullaevich – avneet188621 (1640), lichess.org, 2019.

7.ab5 Nbd7 8.d4 Nb6 9.Na3 (9.Ba3 0-0=) 9...Bb4 (9...Na4 10.Bc1+=) 10.c3= Bd6 11.Be2 Na4?? (better is 11...Qc7+=) 12.Qa4+- 1–0. GuestPRBF – GuestQHJQ, freechess.org, 2017.

7.ab5 Nbd7 8.Be2 b6 (8...a6 9.ba6 ba6 10.Nc3=) 9.d4 (9.Ba3 Ne5+=) 9...0-0 (9...Ne4 10.0-0+=) 10.0-0 Ne4 11.c4 (11.Ba3 a5+=) 11...Bb7 12.Nbd2 (12.Ba3 dc4 13.Bc4 Ba3 14.Ra3 Qf6+=) 12...Ndf6 (12...Nd2 13.Nd2 Qc7 14.f4=) 13.Rc1 (13.Ne5 a5=) 13...Nd2 (13...a6 14.ba6 Ba6 15.Qb3=) 14.Nd2 Rc8 (14...Qb8 15.f4 Rc8 16.Bd3=) 15.Qa4+= dc4 16.Nc4 (worse is 16.Bc4 Ng4 17.h3 Qh4-/+) 16...Bb8 17.Rcd1 (17.Ba3 Re8+=) 17...Qc7 (better is 17...Nd5=) 18.Ne5?? (better is 18.f4=) 18...Qc2–+ 19.Qc2 Rc2 20.Ba3 Re2 21.Bf8 Kf8 22.Rc1 (22.Ra1 Rc2–+) 22...Rb2 (22...Ke8 23.Nc6 Bc6 24.bc6–+) 23.Rb1 Rb1 (23...Rc2 24.Rfc1 Rc1 25.Rc1–+) 24.Rb1 Be5 (24...Ke8 25.Ra1–+) 25.de5-/+ Ng4 26.Rc1 (26.Ra1 Ne5 27.f3 Bd5 28.Ra7 Ke8–+) 26...Ne5–+ 27.Rc7 Bd5 28.Ra7 (28.f3 f5–+) 28...Nc4 29.g3 (29.h3 Ke8–+) 29...Na5 (better is 29...Nd6–+) 30.Ra6+= Nc4 (30...Ke7 31.Rb6 Bb7–+) 31.Ra1?? (31.Ra7 h5 32.h3–+) 31...Nd2 (31...Ke7 32.Ra7 Kf6 33.Rd7–+) 32.h4 (32.Ra6 Nf3 33.Kf1 Bc4 34.Kg2 Ne1 35.Kg1 Bb5 36.Rb6 Bd3–+) 32...Nf3 33.Kf1 Bc4 34.Kg2 Ne5 35.f3 (35.f4 Nd7–+) 35...Nd7 (35...Bb5 36.e4–+) 36.g4 (36.Rb1 e5–+) 36...Bb5 37.Rd1 (37.Ra8 Ke7–+) 37...Ke7 38.Kf2 (38.Rc1 Bd3–+) 38...Bc4 39.Rd2 (39.h5 b5–+) 39...b5 40.f4 (40.e4 e5–+) 40...b4 (40...Nf6!? 41.Kg2–+) 41.Ke1 (41.e4 b3 42.Ke3 e5 43.fe5 Ne5–+) 41...Nc5 42.Rd4 Bd5 43.Ke2 (43.g5 b3 44.Kd2 Kd6–+) 43...b3 44.Rb4 Be4 (44...f5 45.g5–+) 45.Kd2 Bc2 (45...f5 46.g5–+) 46.Kc3 Ne4 47.Kc4 (47.Kb2 Nf2 48.Rb7 Kd6 49.Rf7 Nd1 50.Kc1 Kc6–+) 47...Nf2 48.g5 Nd1 (48...Nd1 49.h5 Kd7–+) 0–1. Curado,Manuel – Augusto,Fernando, corr Portugal, 1994.

7.a5 Qc7 8.Bf6 gf6 9.c4 cb5 10.cb5 Nd7 11.Be2 Rg8=.

7.a5 Qd8 8.Nc3 (8.Be5 0-0 (8...Be5 9.Ne5 Nbd7 10.Nf3 0-0 11.d4 Qe7=) 9.Bd6 Qd6 10.Nc3 Ne4 11.Ne4 de4+=; 8.Ne5 0-0 (8...Nbd7 9.f4 Qc7 10.Ng4 Be7 11.Nf6 Bf6=; 8...a6 9.b6 0-0 10.Bd3 Nbd7 11.f4 Nc5=) 9.f4 Ne4 10.Qh5 f6 11.Nf3 Bb4+=) 8...Bd7 (8...e5 9.Be2 0-0 10.0-0 a6 11.b6 c5=) 9.Bd3 (9.bc6 bc6 10.a6 0-0 11.d4 Qb6=) 9...Bb4 (9...e5 10.Be2+= Qc7 11.Ba3 c5=) 10.a6= b6 (10...ba6 11.ba6 0-0=) 11.Ne5 (11.0-0 0-0=) 11...Bc3 (11...cb5=) 12.Bc3 cb5 13.Qf3 Qc8 (13...0-0 14.0-0+=) 14.Qg3 (better is 14.Ng4 Nh5 15.Qh3+-) 14...Ne4?? (better is 14...0-0+=) 15.Qg7 Rf8 (15...Nc3 16.Qh8 Ke7 17.Qh7 Be8 18.Qh4 Kd6 19.Qb4 Qc5+-) 16.Be4 Nc6 (16...Qc5 17.Nd3 Qc3 18.Qc3 de4 19.Ne5+-) 17.Bh7 d4 (17...Ke7 18.Nf7! Rf7 19.Bf6 Kd6 20.Qf7+-) 18.Ng6! (18.Ng6 fg6 19.Bg6 Kd8 20.Qf8 Kc7 21.Qc8 Rc8 22.ed4+-) 1–0. pierre – kuntakinte, internet, 2008.

7.Bd3 A) 7...Nbd7 A1) 8.Nc3 e5 (8...0-0 9.bc6 bc6 10.Ba3 Ba3 11.Ra3 e5+=; 8...Qa5 9.0-0 0-0 10.bc6 bc6 11.Ba3 Ba3+=) 9.Bf5 e4 10.Nd4 c5 11.a5 Qc7+=; A2) 8.0-0 Qc7 (8...e5 9.Be2 cb5 10.ab5 0-0 11.Ba3 Ba3=) 9.Be2 0-0 10.d4 a6 11.Ba3 c5=; B) 7...Qc7 8.bc6 (8.Bf6 gf6 9.Nc3 e5 10.bc6 bc6 11.Be2 Rg8+=) 8...bc6 (8...Nc6 9.Bf6 gf6 10.Nc3 a6 11.Rb1 b6=) 9.Bf6 gf6 10.Nc3 e5 11.Be2 Nd7+=.

7.Be2 A) 7...Qc7 8.bc6 (8.Bf6 gf6 9.bc6 Nc6 10.Na3 e5 11.Nb5 Qd8=) 8...Nc6 (8...bc6 9.Bf6 gf6 10.c4 Rg8 11.g3 Nd7=) 9.Bf6 gf6 10.Na3 Ba3 11.Ra3 Rg8=; B) 7...Bd7 B1) 8.Na3 a6 (8...0-0 9.Bf6 gf6 10.bc6 bc6 11.c4 Qb2=; 8...Be7 9.0-0 0-0 10.Ne5 a6 11.f4 Ne4=) 9.a5 Qd8 10.b6 c5 11.Ne5 Nc6=; B2) 8.Bf6 gf6 9.Nc3 Rg8 10.0-0 Bb4 11.Rb1 Bc3=; C) 7...Nbd7 C1) 8.a5 Qc7 9.Nc3 0-0 10.0-0 e5 11.bc6 bc6+=; C2) 8.Nc3 e5 (8...Qc7 9.bc6 bc6 10.Ba3 Rb8 11.0-0 e5+=; 8...0-0 9.0-0 Qc7 10.bc6 bc6 11.Ba3 e5+=) 9.bc6 bc6 10.Ba3 c5 11.Rb1 Qc6+=; C3) 8.0-0 0-0 (8...e5 9.Nh4 0-0 10.Nf5 Bb4 11.f4 Re8=) 9.c4 cb5 10.ab5 dc4 11.Na3 Nd5=.

7.Bf6 gf6 A) 8.Nc3 Rg8 (8...Qa5 9.Rb1 a6 10.Be2 Rg8 11.0-0 e5=; 8...a6 9.a5 Qd8 10.b6 e5 11.Be2 Rg8=) 9.e4 d4 10.a5 Qc5 11.Na4 Qh5=; B) 8.Be2 e5 (8...Rg8 9.g3 e5 10.Nc3 a6 11.a5 Qd8=; 8...Qc7 9.Nc3 Rg8 10.bc6 bc6 11.g3 e5=; 8...Qa5 9.Nc3 Rg8 10.bc6 Nc6 11.0-0 a6=; 8...cb5 9.ab5 Rg8 10.0-0 e5 11.Nc3 Be6=; 8...Bd7 9.Nc3 Rg8 10.0-0 Qa5 11.e4 Bb4=; 8...h6 9.0-0 Rg8 10.Nc3 Qa5 11.Rb1 e5=; 8...Nd7 9.0-0 Ne5 10.Nd4 Ng6 11.bc6 bc6=) 9.Nc3 Rg8 10.bc6 bc6 11.0-0 Qa5+=; C) 8.a5 Qd8 (8...Qc7 9.c4 cb5 10.cd5 a6 11.Nc3 Qd8=) 9.Be2 Rg8 10.0-0 e5 11.Kh1 Qd7=; D) 8.d4 Rg8 (8...a6 9.bc6 Nc6 10.c4 dc4 11.Bc4 Rg8=) 9.a5 Qc7 10.Qd3 f5 11.Qb3 cb5=; E) 8.c4 dc4 (8...cb5 9.cb5 Bd7 10.Nc3 Rg8 11.g3 h6=) 9.Bc4 Rg8 10.0-0 Qc5 11.Qe2 Qh5=.

7.c4 Nbd7 8.Be2 0-0 9.0-0 Qc7 10.a5 b6 11.ab6 Nb6 12.Bf6 gf6 13.Qc2 Kh8 14.Qb2 e5 (14...Qe7 15.d3=) 15.cd5+= Nd5 16.Nc3 Be6 (16...Bb7 17.Ra4+=) 17.Bc4+- Qb7 18.Qb3 Nc3 19.dc3 (worse 19.Qc3 Rg8 20.Ne1 Rg4 21.Be6 fe6+=) 19...Bc4 (19...Rg8 20.Nh4 (20.Be6 Rg2 21.Kg2 Rg8 22.Kh3 Qf3 23.Kh4 f5 24.Rg1 Be7 25.Rg5 Bg5) 20...Qd7 21.Rfd1+-) 20.Qc4 Rab8 21.Rfd1 e4 22.Rd6 ef3 23.Qc5 (better 23.Qf4 Qe7 24.c4+-) 23...fg2? (23...Qb5!? 24.Qb5 Rb5 25.gf3 Rb6+-) 24.Qd4 (24.c4!? Rbd8+-) 24...Qb5 25.Qf6 Kg8 26.Kg2 Rb6 27.Ra7 (27.Rg1 Re8 28.Kh1 Kf8 29.Qh6 Ke7+-) 27...Rd6 28.Qd6 Qg5 (28...Rc8 29.h4+-) 29.Qg3 h6? (29...Qg3 30.hg3 Rc8 31.Ra3+-) 30.c4 (30.Qg5 hg5 31.Kg3 Rc8+-) 30...Kh7? (30...Qg3 31.Kg3 Rc8+-) 31.Qg5 hg5 32.Rc7 (32.f4 gf4 33.ef4 Rc8 34.Rf7 Kg6+-) 32...Kg6 33.Kg3 (33.f4 Re8 34.Rc6 Kh5+-) 33...Rd8 (33...Re8 34.c5+-) 34.c5 (34.f4 gf4 35.ef4 Rd1+-) 34...Rd2 (34...f5 35.Rc6 Kf7 36.Rd6+-) 35.c6 Rc2 36.f3 Rc3 (36...Kf6 37.Rc8+-) 37.Rc8 Re3 (37...Kf6 38.c7 Rc4+-) 38.c7 (38.c7 Kh7 39.Rf8+-) 1–0. DEFFM – GuestSLTP, freechess.org, 2019.

7.c4 Nbd7 8.Be2 0-0 9.cd5 ed5 10.0-0=.

7.c4 Nbd7 8.Be2 e5 9.d3 d4 10.0-0 Bc7 (10...Qc7 11.Qd2=) 11.Nfd2 (11.Nh4 0-0=) 11...Nf8 (11...0-0 12.Bf3=) 12.Nb3 (12.Re1 Ne6=) 12...Qd6 13.Qc2 Ne6 14.N1d2 (14.a5 0-0=) 14...0-0 15.Rfe1 Rd8 16.Nf1 (16.f4 a6= (worse is 16...de3 17.fe5 Qd7 18.Nf1+/-)) 16...Rb8 (16...a6 17.Ng3=) 17.a5 de3 (17...Qd7 18.Ng3=) 18.fe3+= (18.Ne3? e4 19.g3 ed3 20.Bd3 Qd3 21.Bf6 Qc2 22.Nc2 gf6–+) 18...b6 19.Ng3 (19.ab6 ab6 20.Ng3 Ng5+=) 19...a6 20.Red1 (20.Nf5 Qf8+=) 20...Re8 (20...ab5 21.a6+=) 21.Nf5 (21.Bf3 ba5 22.Na5 Ng5=) 21...Qd7= 22.ba6 ba5 23.a7 Ra8 24.Na5 Ra7 25.Nb3 Ra1 26.Ra1 Bb7 27.Bc3 Rb8 28.Qb2 Bc6 29.Ra3 Ba4 30.Qa2 Bb3 31.Rb3 Rb3 32.Qb3 ½–½. Vornanen,Alpo – Baer,Werner, TT–10 ETC, 2003.

7.Bd3 Nbd7 8.Be2 (8.0-0 0-0 9.Be2 e5 10.Nh4 Re8 11.Nf5+=) 8...e5 9.0-0 0-0 10.Nh4 Bc7 11.d4+=.

7.Be2 Nbd7 (7...0-0 8.0-0 Nbd7 9.d4 cd4 10.ed4 Re8 11.Re1=) 8.c4 (8.0-0 e5 9.Nh4 0-0 10.Nf5 Bc7 11.d4+=) 8...e5 9.cd5 e4 10.Nh4 Nb6 11.d3+=.

7.Nc3 0-0+=.

7.Nc3 Qc7 8.bc6 (8.Be2 e5 9.bc6 bc6 10.Ba3 d4 11.ed4+=) 8...bc6 9.Ba3 Rb8 10.Be2 e5 11.Bd6+=.

7.Nc3 e5 8.Be2 (8.bc6 bc6 9.Be2 Rb8 10.Ba3 Ba3 11.Ra3+=) 8...0-0 9.0-0 Qc7 10.bc6 bc6 11.Ba3+=.

7.d3 0-0 8.Nbd2 (8.Nc3 Nc5+=) 8...Qe7 (8...Qa5 9.Nd4-/+) 9.g3 (9.Be2 h6+=) 9...Re8 (9...e5!?-/+) 10.Bg2= e5 11.0-0 Nf8 12.e4 de4 (12...Ng6!?=) 13.de4+= Ng6 14.Qe2 Bd7 15.c4 (better is 15.Nc4!?+=) 15...a6+= 16.b6 a5 17.Bc3 (17.Nb3 Bb4+=) 17...Bc5 18.Rab1 Ra6 19.Nb3 Bb6 (19...Bb4 20.Bb4 ab4 21.a5-/+) 20.Rfd1+= h6 21.h3 c5 22.Ne1? (better is 22.Ra1!?+=) 22...Ba4–+ 23.Qa2 Bc6 24.Qc2 (24.Nd2 Rd8–+) 24...Bc7 25.Nd3 b6 26.Nd2 Raa8 27.Re1 Rad8 (27...Red8 28.Ra1–+) 28.Nf1 Qd7 (28...a4 29.Ra1 Ra8 30.Ra3–+) 29.Nc1 Nf8 (29...Ba4 30.Qa2–+) 30.Ne3 Ne6 31.h4? (better is 31.Nd5–+) 31...Nd4 32.Bd4 (32.Qd3–+) 32...ed4 (32...Qd4?! 33.Nd5 Rd5 34.ed5=; 32...cd4?! 33.Nd5–+) 33.Nf5 (33.Nd5 Bd5 34.cd5 Nd5–+) 33...d3 34.Qd2 (34.Nd3 Qd3 35.Qd3 Rd3–+) 34...Be4 (better is 34...Ne4 35.Re4 Be4 36.Ne3–+) 35.Nh6 (35.Ne3 Bg2 36.Kg2 Qe6–+) 35...gh6 36.Qh6 (36.Rb3 Bg2 37.Re8 Qe8 38.Kg2 Ne4–+) 36...Qf5 (36...d2 37.Qg5 Bg6 38.Nd3 de1Q 39.Re1 Qd3 40.Rc1–+) 37.Be4 (37.Qd2–+) 37...Ne4 38.Re4 Qe4 (38...Qe4 39.Nb3 d2 40.Nd2 Rd2–+) 0–1. Olcum,Ahmet (1945) – Burcu,Cagatay (1870), 6th World School–ch U15, 2010.

7.d4 0-0 8.Nbd2 c5 9.c4 b6 10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Qe7 13.Qc2 cd4 14.ed4 dc4 15.Bc4 Bf4 16.Rcd1?? (better is 16.Ra1-/+) 16...Qb4 (better is 16...Bf3 17.Nf3 Qb4–+) 17.Qc3? (17.Rb1 Bf3 18.Bc1 Bh2 19.Kh2 Qd6 20.g3–+) 17...Bd2 (better is 17...Qc3 18.Bc3 Bf3 19.Nf3 Rc4–+) 18.Nd2-/+ Rc4?? (better is 18...Qc3 19.Bc3 Bd5 20.Bd5 Nd5-/+ (20...ed5?! 21.Bb4=; 20...Rc3?! 21.Bc6=)) 19.Qc4?? (better is 19.Nc4 Qc3 20.Bc3+/-) 19...Qb2–+ 20.Qb3 Qd4 21.Nf3 Qg4 22.h3 Qg6 23.Qd3 Be4 24.Qe3 Ne5 25.Qg5 (25.Ng5 Nc4 26.Qg3–+) 25…Nf3 (25...Nf3 26.Kh1 Qg5 27.Rd3 Bd3 28.Rd1 Be4 29.Rg1 Ng4 30.g3 Nh4 31.f3 Bf3 32.Rg2 Qc1) 0–1. Odermatt,Christoph – Tillmann,Marc (1945), Adelboden SUI, 1st Open, 2013.

7.d4 0-0 8.Nbd2 Re8 9.Be2 e5 10.de5 Ne5 11.0-0 Ne4 12.c4 (12.Ne5!? Be5 13.Be5 Nd2 14.Qd2 Re5 15.bc6 bc6 16.Rab1=) 12...Nd2=+ 13.Nd2 Qh4 (13...dc4 14.bc6 bc6 15.Rc1=+) 14.Be5 Be5 15.Nf3 Qe7 (15...Qf6 16.Ne5 (worse 16.cd5 Ba1 17.Qa1 Qa1 18.Ra1 cd5-/+) 16...Re5 17.Qd4=) 16.Ne5 Qe5 17.cd5 cd5 18.Bf3 Be6 19.Qd2 Rad8 (19...Red8 20.Rac1+=) 20.Rfd1 Increasing the pressure on the isolated pawn on d5 20...b6 21.Qd4 Qg5 22.a5 Rc8 (22...Bf5 23.h4 (23.ab6 ab6 24.Qb6 Be4 25.Be4 de4+-) 23...Qg6 24.ab6 ab6 25.Rac1+-) 23.ab6 ab6 24.Qb6 Rc2 (24...Rb8 25.Qa5+-) 25.Qd4+- Rb8 (25...Rc4 26.Qd2+-) 26.b6 (26.Bd5!? Bd5 27.Qd5 Qh4+-) 26...Rc4 27.Qb2 Qd8 28.b7 Rc7 29.Ra7 Qd7?? (better 29...Rc6+-) 30.Ra8 Qd8 31.Rda1 (31.Rda1 Rbc8 32.bc8R Rc8 33.Qb7+-) 1–0. onur604 (2320) – Flibustier75 (2305), lichess.org, 2020.

7.d4 0-0 8.Bd3+=.

7.d4 Ne4 8.Bd3= f5 9.0-0 Qf6 (9...0-0 10.Nbd2=) 10.c4 0-0 11.Ba3 (11.Nc3 Qg6=) 11...Ba3 (11...c5 12.Nbd2=) 12.Na3+= g5 (12...Qe7 13.Qc2=) 13.bc6 (13.cd5 ed5 14.bc6 bc6+=) 13...bc6+= 14.cd5 (14.h3 Rb8=) 14...cd5 (14...ed5 15.Nd2+=) 15.Rc1+= g4 (15...Rb8 16.Qe2+=) 16.Nd2+/- Qe7 17.Nb5 a6 18.Nc3 (18.Nc7 Rb8+/-) 18...Ndf6+= 19.Ne2 (19.Nde4 de4 20.Bc4 Qd6+=) 19...Bd7 20.Be4 (20.Nf4 Qb4 21.Ne4 fe4=) 20...fe4= 21.Rc5 Rfc8 22.Qc2 (22.Rc8 Rc8 23.Qb3 Qe8=) 22...e5 (22...Rc5 23.dc5 Rc8 24.Rc1+=) 23.Kh1 (23.Nb3!?=) 23...ed4+= 24.ed4 Qd6 (24...Rc5!? 25.dc5 Rc8+=) 25.a5 (25.Nb3 Rf8+=) 25...Rf8 ½–½. Olcum,Ahmet (1935) – Ari,Zeki (2205), Konya TUR, Team Ch, 2014.

7.Be2 0-0 8.0-0 a6 9.d4 (9.Nc3 Qc7=) 9...ab5=+ 10.ab5 Ra1 11.Ba1 c5 12.c4 b6 13.Nbd2 Bb7 14.Bb2 Qc7 (14...cd4 15.ed4 Qc7 16.g3=+) 15.Qb3 (15.cd5 ed5 16.dc5 bc5=) 15...Ne4 16.g3 f5 (16...cd4!? 17.ed4 Ra8=+) 17.Ne4= fe4 18.Ng5 Rf6? (18...Re8!?+=) 19.Bg4+- e5 (19...cd4!? 20.Be6 Re6 21.Ne6 dc4+-) 20.Be6 Kh8 (better 20...Re6 21.Ne6 Qc8+-) 21.cd5 Nf8 (21...ed4 22.ed4 c4 23.Qe3+-) 22.Rc1 (22.dc5 bc5 23.Qc4 Qe7+-) 22...ed4 (22...h6 23.de5 Be5 24.Be5 (24.Ne4?! Re6 25.Nc5 bc5 26.de6 Bb2 27.Qb2 Ne6=) 24...Qe5 25.Nf7 Rf7 26.Bf7+-) 23.ed4 Bf4 (23...c4 24.Qc4 Qe7 25.Ne4 Re6 26.de6 Be4+-) 24.gf4 Qf4 25.Nh3 (25.Qe3 Qe3 26.fe3 Bc8 27.Bc8 Rg6+-) 25...Rg6 26.Kh1 Qh4 27.dc5 Ne6 (27...e3 28.Qe3 Re6+-) 28.c6 (28.de6?? e3 29.c6 Qe4 30.f3 Qf3) 28...Qg4 (28...Bc8 29.de6 e3 30.Qe3 Re6+-) 29.Rg1 (29.Rg1 Qg1 30.Ng1+-) 1–0. guest396 – Ripley, chessclub.com, 2019.

7.Be2 0-0 8.d4 Ne4 (8...a6 9.0-0=) 9.0-0= Qe7 (9...Qf6 10.Nbd2=) 10.Nbd2 Nef6 (10...Qf6 11.Ne4 de4 12.Nd2+=) 11.Ne5 (11.c4 Bb4+=) 11...c5= 12.f4 cd4 (12...a6 13.c4=) 13.ed4 Re8 (13...a6 14.ba6 b6 15.a7+=) 14.Bd3 Nf8 (14...a6 15.Qe2+=) 15.c4 Bd7 (15...dc4!? 16.Ndc4 Bb4+=) 16.c5+/- Bc7 17.Ba3 Qd8 18.c6 bc6 19.bc6 (19.Nc6?! Bc6 20.bc6 Bd6 21.Bd6 Qd6=) 19...Bc8 20.Bc5 Bb6 21.Qc2 Qc7 (21...Bc5 22.Qc5 (worse is 22.dc5 Rb8=) 22...Re7 23.Rab1+/-) 22.Nb3 White prepares a5 22...Ng6 23.Bg6 hg6 24.a5 Bc5 25.Nc5 (25.dc5?! Ba6 26.Rfe1 Rab8+=) 25...Rb8 26.Rf3 Rb4 27.Qc3 (27.Rb3 Rb3 28.Qb3 Ne4 29.Ne4 de4+/-) 27...Qb8 (27...Rb5 28.Rff1+/-) 28.Nb7 (28.c7 Rb1 29.Rb1 Qb1 30.Rf1 Qb5+/-) 28...Rb7 (28...Rb5!? 29.a6 Rb6+/-) 29.cb7+- Qb7 30.Rc1 Bd7 31.Qb3 Bb5 (31...Qa6 32.Qb4 (32.Nd7?! Nd7 33.Rc7 Nf6+/-) 32...Rc8 33.Rc8 Qc8 34.Rc3+-) 32.Rfc3 Qa6 (32...Rf8 33.Rc7 Qa6 34.Qb4+-) 33.Rc5 Be2 (33...Bc4 34.Qb4 (34.R1c4?! dc4 35.Qc4 Qc4 36.Rc4 Nd5+=; 34.Nc4?! dc4 35.Qc4 Qd6+-; 34.R5c4?! dc4 35.Qc4 Qa5+=) 34...Rc8 35.Rb1+- (35.R1c4?! dc4 36.Qc4 Qc4 37.Nc4 Ra8+=; 35.Nc4?! Rc5 36.dc5 dc4+-)) 34.Rc6 Qa5 35.Qb7 Rf8 (35...Kh8 36.Qf7 Bh5+-) 36.Rc8 Nh7 (36...Kh7 37.Rf8 Qd2+-) 37.Qf7 (37.Qf7 Kh8 38.Ng6) 1–0. Sternik,Ryszard (1725) – Vollmer,Steve, FICGS, 2016.

7.Be2 Qb6 8.c4 dc4 9.Bc4 cb5 10.Bb5 0-0 11.0-0 a6 12.Bd4 Qc7 13.Bd7 Nd7 14.Nc3? (better is 14.e4+=) 14...e5–+ 15.Be5 (15.Rc1 ed4 16.Nb5 Qb6 (worse is 16...ab5 17.Rc7 Bc7 18.ab5-/+) 17.Nd6 Qd6 18.Nd4 Nf6–+) 15...Ne5 16.Rc1 Nf3 17.Qf3 Bh2 18.Kh1 Be5 19.d4 Bd6 20.Nd5 (20.Ne4 Qd7–+) 20...Qd8 21.Rb1 (21.Kg1–+) 21...Qh4 (21...Qh4 22.Qh3 Bh3–+) 0–1. Hal1958 – Cchoh928, playchess.de, 2004.

7.Be2 Qc7 8.d4 (8.0-0 0-0 9.d4 a6 10.Ba3 c5 11.c4=; 8.Nc3 e5 9.h3 0-0 10.0-0 c5 11.a5+=; 8.bc6 bc6 9.Ba3 c5 10.d4 0-0 11.0-0+=; 8.c4 dc4 9.Na3 Ba3 10.Ra3 cb5 11.ab5=) 8...0-0 9.Nbd2 cb5 10.ab5 Rd8 11.Ba3=.

7.Be2 e5 8.0-0 (8.Nc3 Qc7 9.bc6 bc6 10.Ba3 d4 11.Bd6+=) 8...0-0 9.Nh4 Nb8 10.Nf3 Qc7 11.Ba3+=.

7.Be2 Qe7 8.0-0 e5 9.c4 0-0 10.d4 e4 11.Nfd2 Ne8 (11...c5 12.cd5 Nd5 13.Nc4=) 12.Nc3 (12.Ba3=) 12...dc4 (better is 12...Qh4!? 13.h3 Ndf6=) 13.bc6+/- bc6 (13...Ndf6 14.cb7 Bb7 15.Rc1+/-) 14.Nce4 Bc7 (14...Ba6 15.Nd6 Nd6 16.Ba3+/-) 15.Ba3+- Nd6 16.Nc4 Qe4 17.Nd6 Bd6 (17...Qg6 18.Nc8 Rfc8 19.Bg4+-) 18.Bd6 Re8 19.Rc1 Qg6 20.Rc6 Bb7 21.Bd3 f5?? (better is 21...Qh6 22.Rc7 Bg2 23.Kg2 Qd6+-) 22.Qb3+- Kh8 23.Qb7 Qg2 (23...Nf6+-) 24.Kg2 (24.Kg2 Nf6 25.Bf5+-) 1–0. DEFFM – GuestTaymSnaypir, freechess.org, 2018.

8.Nc3 Re8 9.Qc2 e5 10.cd5 cd5 11.Be2 h6 12.Qb1 Nb6 13.d3 Bg4 14.a5 Nbd7 15.h3 Be6 16.g4? (16.0-0 Rc8=) 16...Nh7 17.Bd1 d4 18.Ne4 Bb4 19.Ke2 Ndf6 20.Bd4 Ne4 21.Qb4 ed4 22.de4 d3 23.Kd2 Rc8 24.Qd4 Qd4 25.Nd4 Bc4 26.f3 Ng5 27.Rb1 Re5 28.Bb3 Rec5 29.Bc4 Rc4 30.h4 Ne6 31.Rhc1 Rc1 32.Rc1 Rc1 33.Kc1 Nc5 34.e5 Kf8 35.Kd2 g6 36.Kc3 Ke7 37.Nb3 d2 38.Nd2 Ke6 39.Kc4 Nd7 40.f4 b6 41.a6 f6 42.ef6 Nf6 43.g5 hg5 44.hg5 Ng4 (44...Nd5 45.Kd3 Nc7+-) 45.Kd4 Nf2 46.Nc4 Kd7 47.Nb6! Kc7 (47...ab6 48.a7 Passed pawn) 48.Nd5 Kb8 49.Ne7 1–0. Leon Manas,JF (1970) – Julien Casteleiro,A, Las Palmas ESP, Canaria Team Ch–B, 2012.

8.Bd3 cb5 A) 9.cb5 A1) 9...Qe7 10.Be2 (10.0-0 e5 11.Be2 e4 12.Nd4 Qe5 13.g3 Nc5 14.f4 Qe7 15.Rf2+=; 10.a5 e5 11.Be2 e4 12.Nd4 Nc5 13.f3 Qc7 14.b6 Qd8 15.ba7=; 10.Nc3 e5 11.Be2 d4 12.ed4 e4 13.Nh4 Nb6 14.Rc1 g5 15.a5-/+) 10...e5 11.a5 e4 12.Nd4 Nc5 13.Nc3 Qc7 14.h3 Be5 15.0-0=; A2) 9...Qe8 10.Be2 (10.0-0 e5 11.Be2 e4 12.Nd4 Qe5 13.g3 Nc5 14.f4 Qe7 15.Rf2+=; 10.Nc3 e5 11.Be2 Nb6 12.d3 a5 13.Rc1 Bg4 14.h3 Bf5 15.0-0+=; 10.a5 e5 11.Be2 e4 12.Nd4 Ne5 13.d3 Bg4 14.de4 Be2 15.Qe2+=) 10...e5 11.a5 e4 12.Nd4 Ne5 13.0-0 Nc4 14.Bc3 a6 15.ba6=; A3) 9...Qc7 10.Na3 (10.Nc3 e5 11.Rc1 Nc5 12.Be2 e4 13.Nd4 Bh2 14.Nb3 Bd6 15.Nc5+=; 10.Be2 e5 11.Nc3 e4 12.Nd4 Nc5 13.d3 Bg4 14.f3 Bh5 15.Nf5+=; 10.0-0 e5 11.Nc3 Nc5 12.Bc2 e4 13.d4 ef3 14.dc5 Bh2 15.Kh1 Be5-/+) 10...e5 11.Rc1 Qa5 12.Bc2 Qb4 13.Rb1 e4 14.Bf6 Qa3 15.Bb2+=; A4) 9...e5 10.Bc2 (10.Be2 e4 11.Nd4 Ne5 12.0-0 Nfg4 13.h3 Qh4 14.a5 Nh2 15.Re1+=) 10...e4 11.Nd4 Ne5 12.Ba3 a6 13.Bd6 Qd6 14.Nc3 ab5 15.Ncb5+=; B) 9.cd5 B1) 9...Nd5 10.ab5 (10.Bb5 a6 11.Bc4 N7b6 12.Be2 a5 13.0-0 Bd7 14.Nc3 Rc8 15.Nb5=; 10.Qc2 N7f6 11.Bb5 b6 12.d3 Bb7 13.0-0 Rc8 14.Qb3 Nd7 15.a5+=) 10...Nb4 11.Be2 e5 12.Nc3 Nf6 13.0-0 e4 14.Nd4 Qc7 15.f4=; B2) 9...ba4 10.de6 fe6 11.Nc3 a6 12.Qa4 Nc5 13.Qc2 Nd3 14.Qd3 Rb8 15.e4=; B3) 9...Nc5 10.Bb5 a6 11.d4 Nce4 12.Bd3 ed5 13.0-0 Re8 14.Ne5 Nd7 15.Nf3=; B4) 9...e5 10.e4 (10.Bb5 e4 11.Nd4 Nd5 12.d3 Qg5 13.0-0 Ne5 14.Kh1 Nd3 15.Bd3-/+) 10...ba4 11.Qa4 Qb6 12.Qc2 Ng4 13.Rf1 Nc5 14.Ba3 Bd7 15.Nc3+=; C) 9.ab5 e5 10.Be2 dc4 11.Na3 e4 12.Nd4 Ne5 13.Nc4 Nc4 14.Bc4 Ng4 15.Qc2+=.

8.Bd3 Nb6 9.Na3 A) 9...Re8 10.cd5 (10.bc6 bc6 11.Qc2 Ba6 12.Bh7 Nh7 13.c5 Bc5 14.Qc5 Na4 15.Qc6=; 10.Ne5 Be5 11.Be5 dc4 12.Bc4 Nfd7 13.Bd6 Nc4 14.Nc4 cb5 15.ab5+=; 10.Qc2 e5 11.c5 e4 12.cd6 Qd6 13.a5 ed3 14.Qd3 Nbd7 15.0-0=) 10...cd5 11.Ne5 Ne4 12.Qc2 Qc7 13.Be4 de4 14.Qe4 f6 15.a5+=; B) 9...Bd7 10.cd5 (10.0-0 Rc8 11.cd5 Nbd5 12.Nc4 Bb4 13.Nce5 Rc7 14.Nd7 Nd7 15.Qb1=; 10.Ne5 dc4 11.Nac4 Nc4 12.Nc4 Bc7 13.Ne5 cb5 14.ab5 Be8 15.Qc2=; 10.Ng5 e5 11.c5 Bc5 12.Be5 Ne4 13.Nf3 Qe7 14.Bb2 cb5 15.ab5+=) 10...Nbd5 11.0-0 Qe7 12.Nc4 Bc5 13.Nce5 cb5 14.ab5 Rfd8 15.Qb1=; C) 9...Rb8 10.0-0 (10.cd5 Nfd5 11.0-0 Nb4 12.Be2 a5 13.d3 f6 14.Qb3 Qe7 15.Rac1=; 10.Qc2 Nbd7 11.0-0 Qe7 12.a5 e5 13.c5 Nc5 14.Be5 Be5 15.Ne5+=; 10.Ng5 e5 11.c5 e4 12.cb6 ed3 13.ba7 Ra8 14.Qb3 Nd7 15.f4+=) 10...dc4 11.Nc4 Bh2 12.Nh2 Qd3 13.Nb6 ab6 14.Bf6 gf6 15.Qf3=; D) 9...cb5 10.Bf6 (10.ab5 Re8 11.Qc2 Bd7 12.Ng5 g6 13.Be2 Ba3 14.Ra3 dc4 15.Qc3+=; 10.cb5 Re8 11.Be5 Be5 12.Ne5 Qd6 13.f4 Nbd7 14.Nd7 Bd7 15.0-0+=) 10...Qf6 11.Nb5 Be7 12.Nc7 Rb8 13.cd5 Nd5 14.Nd5 ed5 15.Nd4+=.

8.Bd3 Nb6 9.c5 Bc5 10.bc6 (10.Qc2 Nbd7 11.bc6 bc6 12.Ne5 Ne5 13.Be5 Bd6 14.Bf6 Qf6 15.Bh7-/+) 10...bc6 11.Qc2 Nbd7 12.0-0 h6 13.Rc1 Qe7 14.Be2 Bb7 15.d4=.

8.Bd3 Nb6 9.cd5 cd5 (9...Nfd5 10.Nc3 (10.Qc2 f5 11.0-0 Nb4 12.Qc3 Rf7 13.Be2 cb5 14.ab5 Rc7 15.Qb3=; 10.0-0 cb5 11.ab5 Qe7 12.Nc3 Nf6 13.Qc2 e5 14.Rac1 Bg4 15.Ng5=) 10...Bd7 11.0-0 cb5 12.ab5 Nb4 13.Ba3 f5 14.Be2 Qe7 15.d4+=; 9...Nbd5 10.0-0 (10.Nc3 Nb4 11.Bc4 e5 12.d3 Bg4 13.0-0 Rc8 14.h3 Bh5 15.g4=; 10.Be5 cb5 11.ab5 Be5 12.Ne5 Qd6 13.f4 Nd7 14.Nc4 Qc5 15.Nba3=; 10.Be2 a6 11.Nc3 cb5 12.ab5 Nc3 13.Bc3 Nd5 14.Bd4 Re8 15.Qb3=) 10...Bd7 11.Nc3 Rc8 12.Nd5 Nd5 13.Qb1 f5 14.Be2 Qc7 15.Rc1=; 9...cb5 10.de6 (10.ab5 Nfd5 11.0-0 Nf6 12.Qe2 Qe7 13.Bd4 Nfd7 14.Bc2 e5 15.Bb2=) 10...Be6 11.ab5 Nbd7 12.0-0 Nc5 13.Be2 Nb3 14.Ra4 Nc5 15.Rh4+=) 10.0-0 (10.a5 Nbd7 11.0-0 e5 12.Be2 Qc7 13.Qc1 Qc1 14.Rc1 a6 15.Ba3+=; 10.Qc2 Nbd7 11.0-0 e5 12.Be2 e4 13.Nd4 Nc5 14.Rc1 Ng4 15.f4=; 10.Qe2 Nbd7 11.0-0 e5 12.Bf5 e4 13.Nd4 Ne5 14.Ba3 Nd3 15.f3+=) 10...Qe7 (10...Nbd7 11.Be2 e5 12.d3 a6 13.Ba3 Qc7 14.Qd2 b6 15.Rc1=) 11.Nc3 (11.a5 Nbd7 12.Nc3 Rd8 13.Be2 e5 14.Qc2 a6 15.Rfc1=) 11...e5 (11...Nc4 12.Bc4 dc4 13.Qe2 Qc7 14.Rfd1 e5 15.d3=) 12.Ng5 (12.a5!? Nbd7 13.Be2= Re8 14.d4 e4 15.Nd2=) 12...h6+= (12...e4 13.a5 Nc4 14.Nd5 Bh2 15.Kh1=) 13.Nf3? (better is 13.a5 Nbd7 14.Nh3+= Nc5 15.Bc2-/+) 13...e4–+ 14.a5 Nbd7 (14...ed3?! 15.ab6 a5 16.ba6 Ra6 17.Ra6 ba6 18.Qb3+=; 14...ef3?! 15.ab6 fg2 16.Kg2+=) 15.Nd4 ed3 16.Nf5 Qe5 17.Nd6 Qd6 18.Qb3 (18.Ba3 Nc5 19.Na4 b6 20.ab6 ab6 21.Nc5 Ng4-/+) 18...Re8 19.Ba3 Qe5 20.f4 Qf5 21.Nd1 Nf8 22.Bb2 Qg6 23.f5 (23.Bf6 Qf6 (23...gf6?! 24.Qd5 Bf5 25.Nf2-/+) 24.Nf2 d4 25.Qd3 de3 26.de3 Be6–+) 23...Bf5 24.Bf6 gf6 (24...Qf6 25.Nf2 d4 26.e4–+) 25.Nc3 Rad8 26.Rf3 Kh7 27.Rg3 Qh5 (better is 27...Bg4!? 28.Nd5 Qf5–+) 28.Nd5-/+ Re6 29.Nf4 Qh4 30.Ra4 Qg3?? (better is 30...Re7+=) 31.hg3+- Re7 32.Nh5 Nd7 (32...Rc7 33.b6 ab6 34.Qb6+-) 33.Qd5 Bg6 34.Nf6! (34.Qb7?! Bh5 35.Rd4 Rb8 36.Qa7 Rb5 37.Rd7 Rd7 38.Qd7 Ra5 39.Qd3 f5+-) 34...Kg7 (34...Nf6 35.Qd8 Pinning (35.Qd8 Deflection)) 35.Rf4 (35.Qb7?! Kf6 36.Qa7 Re5+-) 35...Kf8 (35...Kf8 36.Qd6 Nf6 37.Qf6 Re3 38.Qd8 Re8+-). AsceticKingK9 – JAY2PLAY, ChessWorld.net, 2011.

8.Bd3 e5 A) 9.bc6 bc6 10.cd5 (10.Be2 e4 11.Nd4 Ne5 12.cd5 Nd5 13.f4 ef3 14.Nf3 Nf3 15.Bf3-/+; 10.Bf1 e4 11.Nd4 Ne5 12.cd5 Nd5 13.f4 ef3 14.Nf3 Bg4 15.Kf2-/+; 10.Bc2 e4 11.Nd4 c5 12.Nb5 Be5 13.Be5 Ne5 14.cd5 Bg4 15.Qc1-/+) 10...cd5 11.Bb5 a6 12.Bd7 Nd7 13.Ba3 Ba3 14.Na3 e4 15.Nd4+=; B) 9.cd5 B1) 9...cd5 10.Bc2 (10.Be2 e4 11.Nd4 Ne5 12.0-0 Nfg4 13.h3 Qh4 14.a5 Nh2 15.Re1+=) 10...e4 11.Nd4 Ne5 12.Ba3 a6 13.Bd6 Qd6 14.Nc3 ab5 15.Ncb5+=; B2) 9...e4 10.bc6 (10.dc6 bc6 11.bc6 Nb6 12.Bc2 ef3 13.Qf3 Nbd5 14.Bf6 Nf6 15.h3-/+) 10...Nc5 11.Bc2 ef3 12.Qf3 Be7 13.Bf6 Bf6 14.d4 Qa5 15.Nd2+=.

8.Bd3 Qe7 A) 9.cd5 A1) 9...ed5 10.Be2 (10.0-0 Nc5 11.Be2 Bg4 12.bc6 bc6 13.d4 Nce4 14.Ba3 Rab8 15.Bd6+=; 10.Bc2 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 c5 14.Nc3 Nb6 15.Re1+=; 10.Nc3 Nc5 11.Bc2 Nce4 12.bc6 bc6 13.Rb1 Re8 14.Ne4 Ne4 15.d3+=) 10...a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 c5 14.Qc2 Re8 15.Rc1+=; A2) 9...cd5 10.a5 (10.Be2 e5 11.a5 e4 12.Nd4 Nc5 13.Nc3 Qc7 14.h3 Be5 15.0-0=; 10.0-0 e5 11.Nh4 Bc5 12.Nc3 e4 13.Be2 Qe6 14.d4 Bd6 15.g4+=; 10.Nc3 e5 11.Be2 d4 12.ed4 e4 13.Nh4 Nb6 14.0-0 g5 15.a5-/+) 10...Nc5 11.Be2 a6 12.Nc3 Bd7 13.0-0 Nce4 14.b6 Rac8 15.Ne4=; A3) 9...Nc5 10.Bf1 (10.Bc2 ed5 11.bc6 bc6 12.Ba3 Rb8 13.d4 Nce4 14.Bd6 Qd6 15.Qc1+=; 10.Be2 ed5 11.bc6 bc6 12.Ba3 Rb8 13.d4 Nb3 14.Bd6 Qd6 15.Ra2+=; 10.Bc4 ed5 11.Be2 Bg4 12.d4 Nce4 13.0-0 Bf3 14.gf3 Ng5 15.f4+=) 10...ed5 11.Ba3 cb5 12.Bb5 a6 13.Be2 Bd7 14.Nc3 Rac8 15.0-0+=; B) 9.Be2 B1) 9...dc4 10.Na3 (10.bc6 bc6 11.Na3 c3 12.dc3 e5 13.Nc4 Bc7 14.0-0 c5 15.Qc2+=; 10.Nc3 e5 11.bc6 bc6 12.Qc2 Rb8 13.Rb1 Ba6 14.Nh4 Qd8 15.0-0-/+; 10.Bc4 cb5 11.ab5 Nb6 12.Bb3 e5 13.Nc3 Bg4 14.d3 Bb4 15.0-0+=) 10...c3 11.dc3 cb5 12.Nb5 Bc5 13.Qb3 Rd8 14.0-0 e5 15.Rfd1=; B2) 9...Rd8 10.0-0 (10.cd5 Nd5 11.Nc3 Nc3 12.Bc3 cb5 13.ab5 e5 14.d3 Nf6 15.Qb3+=; 10.bc6 bc6 11.Nd4 Bb7 12.cd5 Nd5 13.Nc3 Nc3 14.Bc3 c5 15.Nb5+=; 10.d4 dc4 11.Bc4 e5 12.bc6 bc6 13.0-0 e4 14.Ng5 Nd5 15.Qh5-/+) 10...dc4 11.bc6 bc6 12.Bc4 Nb6 13.Be2 e5 14.Qc2 Rb8 15.e4=; B3) 9...cb5 10.cb5 (10.ab5 dc4 11.Na3 c3 12.dc3 Rd8 13.Nc4 Bc5 14.0-0 e5 15.Qc2=; 10.cd5 e5 11.ab5 Nb6 12.Nc3 e4 13.Nd4 Nfd5 14.Qc2 Nc3 15.dc3+=) 10...e5 11.Nc3 e4 12.Nd4 Be5 13.Ba3 Nc5 14.0-0 Qc7 15.h3=; B4) 9...e5 10.d3 (10.Nc3 dc4 11.bc6 bc6 12.Qc2 Rb8 13.Rb1 Ba6 14.Nh4 Qd8 15.0-0-/+; 10.cd5 Nd5 11.e4 Nf4 12.0-0 Qf6 13.d4 ed4 14.Bd4 Qg6 15.g3-/+; 10.d4 dc4 11.0-0 cb5 12.ab5 e4 13.Nfd2 Nb6 14.Ba3 Ba3 15.Ra3-/+) 10...dc4 11.dc4 e4 12.Nd4 Ne5 13.0-0 c5 14.Nc2 Rd8 15.Nd2+=; C) 9.0-0 C1) 9...cb5 10.cd5 (10.cb5 e5 11.Be2 e4 12.Nd4 Qe5 13.g3 Nc5 14.f4 Qe7 15.Rf2+=; 10.ab5 e5 11.cd5 e4 12.Nd4 Nb6 13.Bc2 Qe5 14.f4 ef3 15.g3+=) 10...ba4 11.de6 fe6 12.Qa4 Nc5 13.Qc2 Nd3 14.Qd3 e5 15.e4+=; C2) 9...a6 10.cd5 (10.Nc3 e5 11.Be2 dc4 12.bc6 bc6 13.Bc4 e4 14.Nd4 Ne5 15.Be2+=; 10.Be2 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4 e5 14.bc6 bc6 15.d3+=; 10.bc6 bc6 11.cd5 cd5 12.Nc3 e5 13.Be2 Rb8 14.Rb1 Qe6 15.Qc2+=) 10...ed5 11.Qc2 ab5 12.ab5 Ra1 13.Ba1 c5 14.Bf5 h6 15.Rc1=; C3) 9...dc4 10.Bc4 e5 11.bc6 bc6 12.d3 Rb8 13.Qc2 Nb6 14.Nbd2 Bg4 15.Bb3=; C4) 9...e5 10.cd5 (10.Be2 e4 11.Ne1 dc4 12.bc6 bc6 13.f3 Ne5 14.fe4 Rb8 15.Qc2+=; 10.bc6 bc6 11.cd5 cd5 12.Bb5 a6 13.Bd7 Bd7 14.Ba3 Bg4 15.Bd6-/+) 10...cd5 11.Be2 e4 12.Nd4 Qe5 13.g3 Nc5 14.f4 Qe7 15.a5+=; D) 9.bc6 bc6 (9...Nc5 10.Be2 bc6 11.Be5 Ba6 12.d4 Nce4 13.Bd6 Qd6 14.c5 Be2 15.Qe2=) 10.cd5 (10.0-0 Rb8 11.Qc2 e5 12.Bf5 dc4 13.Na3 e4 14.Nd4 Qe5 15.f4-/+; 10.Qc2 e5 11.Bf5 Rb8 12.cd5 Nc5 13.Bc3 cd5 14.d4 Nb3 15.de5-/+; 10.Be2 Rb8 11.Qc2 e5 12.Nc3 dc4 13.Rb1 Ba6 14.Nh4 Qd8 15.Nf5-/+) 10...cd5 11.Nc3 e5 12.Be2 Rb8 13.Rb1 a6 14.0-0 Qe6 15.Qc2+=.

8.Bd3 Re8 A) 9.cd5 A1) 9...cd5 10.Be2 (10.0-0 e5 11.Be2 a6 12.Ba3 Bb8 13.ba6 ba6 14.Nc3 e4 15.Nd4+=; 10.Nc3 e5 11.Be2 e4 12.Nd4 Be5 13.d3 Nc5 14.de4 de4 15.0-0+=; 10.Bc2 e5 11.0-0 e4 12.Nd4 Qc7 13.h3 Nc5 14.d3 Bh2 15.Kh1 Be5=) 10...Qe7 11.d4 e5 12.de5 Ne5 13.0-0 Nf3 14.Bf3 Bf5 15.Bd4=; A2) 9...Nc5 10.Be2 (10.Bc2 ed5 11.0-0 Bg4 12.h3 Bh5 13.bc6 bc6 14.d4 Nce4 15.Bd3+=; 10.Bf1 ed5 11.Be2 Bg4 12.0-0 Bf3 13.Bf3 Nd3 14.Bd4 c5 15.Bf6+=; 10.Bc4 ed5 11.Be2 Bg4 12.0-0 Bf3 13.Bf3 Nd3 14.Bd4 c5 15.Bf6+=) 10...ed5 11.0-0 Bg4 12.Qc2 Rc8 13.bc6 bc6 14.Nc3 Qd7 15.Rfc1+=; A3) 9...Nd5 10.0-0 (10.bc6 Nc5 11.Bc2 bc6 12.d4 Na6 13.Ne5 Be5 14.de5 Rb8 15.Bc3=; 10.Qc2 N7f6 11.Ng5 h6 12.Ne4 e5 13.Nf6 Qf6 14.Bh7 Kh8 15.Be4+=; 10.Ba3 Qf6 11.Ra2 Ba3 12.Ra3 cb5 13.ab5 Qe7 14.0-0 e5 15.Qb3+=) 10...Nb4 11.Qb3 Nd3 12.Qd3 Nf6 13.Bd4 Qe7 14.Be5 Rd8 15.Qe2=; A4) 9...ed5 10.Be2 (10.0-0 c5 11.a5 Bc7 12.Qa4 c4 13.Bc2 Nc5 14.Qb4 Bd6 15.Bf6+=; 10.Qc2 c5 11.0-0 c4 12.Bf5 Ne5 13.Be5 Be5 14.Nc3 d4 15.ed4+=; 10.Nc3 Ne5 11.Ne5 Be5 12.Rb1 c5 13.0-0 c4 14.Bc2 d4 15.ed4+=) 10...a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 c5 14.Qc2 Nb6 15.Rc1+=; B) 9.Be2 B1) 9...dc4 10.Na3 (10.bc6 bc6 11.Qc2 e5 12.Bc4 Rb8 13.Ng5 Re7 14.0-0 h6 15.Nf7+=; 10.Bc4 Nb6 11.d3 e5 12.Nbd2 Nc4 13.Nc4 cb5 14.ab5 Bb4 15.Kf1+=; 10.Nc3 e5 11.Ng5 h6 12.Nge4 Nc5 13.Nc5 Bc5 14.Bc4 cb5 15.ab5+=) 10...cb5 11.ab5 Nb6 12.Nc4 Nc4 13.Bc4 e5 14.0-0 Be6 15.Be6=; B2) 9...e5 10.d4 (10.d3 dc4 11.bc6 bc6 12.dc4 Qc7 13.Nc3 Nc5 14.Qc2 e4 15.Nd4-/+; 10.cd5 cb5 11.ab5 Nb6 12.d3 Nfd5 13.0-0 Bd7 14.Qb3 a5 15.ba6+=; 10.0-0 dc4 11.Bc4 Nb6 12.Bb3 cb5 13.ab5 Bg4 14.h3 Bh5 15.g4+=) 10...e4 11.Nfd2 c5 12.a5 Bc7 13.0-0 Ba5 14.dc5 Nc5 15.Bf6=; B3) 9...cb5 10.ab5 (10.cb5 e5 11.0-0 a6 12.Ba3 Bb8 13.ba6 ba6 14.Nc3 e4 15.Nd4+=; 10.cd5 e5 11.ab5 Nb6 12.d3 Nfd5 13.0-0 Bd7 14.Qb3 a5 15.ba6+=) 10...dc4 11.Na3 Nb6 12.Nc4 Nc4 13.Bc4 e5 14.0-0 Be6 15.Be6=; B4) 9...a6 10.d4 (10.cd5 ed5 11.0-0 ab5 12.ab5 Ra1 13.Ba1 c5 14.Qc2 Qe7 15.Rc1+=; 10.0-0 e5 11.d3 ab5 12.ab5 Ra1 13.Ba1 Qc7 14.cd5 cd5 15.Qc1+=; 10.bc6 bc6 11.d4 Rb8 12.Ra2 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5+=) 10...dc4 11.bc6 bc6 12.0-0 Rb8 13.Qc2 c5 14.Nbd2 cd4 15.Nc4=; C) 9.0-0 C1) 9...cb5 10.cd5 (10.cb5 e5 11.Be2 a6 12.Ba3 Bb8 13.ba6 ba6 14.Nc3 e4 15.Nd4+=) 10...e5 11.Bb5 e4 12.Nd4 a6 13.Bd7 Qd7 14.Qb3 Be5 15.f3=; C2) 9...a6 10.cd5 (10.Nc3 e5 11.cd5 cb5 12.Bb1 Qc7 13.ab5 e4 14.Ng5 Bh2 15.Kh1 Nc5+=; 10.Qc2 dc4 11.Bc4 cb5 12.ab5 Nb6 13.Be2 e5 14.d4 e4 15.Ne5=; 10.bc6 bc6 11.cd5 cd5 12.Ba3 Ne5 13.Ne5 Be5 14.Ra2 Rb8 15.f4+=) 10...cd5 11.Ba3 Ba3 12.Na3 e5 13.Be2 b6 14.d4 e4 15.Nd2=; C3) 9...dc4 10.Bc4 Nb6 11.Be2 cb5 12.ab5 e5 13.d3 a6 14.Nc3 Nbd5 15.Ne4=; C4) 9...e5 10.cd5 (10.Be2 dc4 11.Bc4 Nb6 12.Bb3 cb5 13.ab5 Bg4 14.h3 Bh5 15.g4+=; 10.bc6 bc6 11.cd5 cd5 12.Be2 Qb6 13.Bc3 Rb8 14.Na3 a6 15.Rb1-/+) 10...cb5 11.Bb5 e4 12.Nd4 a6 13.Bd7 Qd7 14.Qb3 Be5 15.f3=; D) 9.bc6 D1) 9...bc6 10.cd5 (10.0-0 e5 11.cd5 cd5 12.Be2 Qb6 13.Bc3 Rb8 14.Na3 a6 15.Rb1-/+; 10.Be2 Rb8 11.Ba3 c5 12.Nc3 a6 13.Rc1 Qa5 14.0-0 Nb6 15.cd5+=; 10.Ba3 Ba3 11.Na3 e5 12.cd5 e4 13.dc6 Nc5 14.Be4 Nfe4 15.0-0-/+) 10...cd5 11.Nc3 e5 12.Be2 Rb8 13.Rb1 Nb6 14.Nb5 Qe7 15.d4=; D2) 9...Nc5 10.Qc2 (10.Bf1 bc6 11.Be5 Nce4 12.Bd6 Qd6 13.d3 Qb4 14.Nbd2 Nc3 15.Qb3=; 10.Bc2 dc4 11.Ne5 Be5 12.Be5 bc6 13.Qf3 Ncd7 14.Bc3 e5 15.Qc6+=; 10.Be2 bc6 11.Be5 dc4 12.Bc4 Ba6 13.Ba6 Na6 14.0-0 c5 15.d3=) 10...bc6 11.Be2 e5 12.Ne5 Be5 13.d4 Bd4 14.Bd4 Ne6 15.Bb2=.

8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cd5 Nd5 13.Bb5 Nc5 (13...Qa5!? 14.Bd7 Qa1 15.Bc8 Rc8+=) 14.Nc3 1–0. Hal1958 – Pirco, playchess.de, 2004.

8.Be2 e5 9.0-0 Re8 10.d4 dc4 11.Bc4?? (better is 11.de5 Ne5 12.Be5 Be5 13.Qd8 Bh2 14.Kh2 Rd8 15.Bc4+-) 11...ed4= 12.Qd4 Bc5 (12...Nb6 13.Bd3=) 13.Qc3 cb5 14.ab5 b6? (14...Bd6 15.Qb3 Qe7 16.Rd1=) 15.Ng5 (better is 15.Bd5! Rb8 16.Ra7+/-) 15...Ne5+= 16.Nf7?? (better is 16.Bb3 h6 17.Rd1=) 16...Nf7–+ 17.Nd2 Bb7 18.Nf3 (18.Qc2 Ne4 19.Rfd1 Ned6–+) 18...Bf3 19.gf3 Qe7 20.Kh1 (20.Qb3 Rf8–+) 20...Qb7 21.e4 Kh8 22.Rg1? (better is 22.Bd5 Qe7 23.Ba8 Ra8 24.Rfd1-/+) 22...Ne5–+ 23.Rg5 Nc4 24.Qf6 (24.Qc4 Qe7–+) 24...Nb2 (24...gf6? 25.Bf6 Qg7 26.Rg7+-) 25.Qb2 Rad8 26.Rag1 Rg8 27.R1g3 Bd4 28.Qa2 Bf6 29.Rh5 Qc7 (29...Rge8 30.Kg2–+) 30.Rgh3 (30.Qe6 Qd7 31.Rgh3 Qd1 (31...Qe6?? 32.Rh7) 32.Kg2 h6+=) 30...h6 31.Qe6 (31.Kg2 Rge8–+) 31...Qd7 (better is 31...Rd1 32.Kg2 Qc1–+) 32.Rh6!+- (32.Rh6 gh6 33.Rh6 Qh7 34.Qf6 (worse is 34.Rh7 Kh7 35.Qf5 Rg6 36.Qh5 Kg7+=) 34...Rg7 35.Qd8 Rg8 36.Qd6+-) 1–0. katchum (1780) – rhand (1915), net–chess.com, 2001.

8.Be2 Re8 9.d4 dc4 10.Bc4 cb5 11.ab5 a6 (11...Nb6 12.Bd3=) 12.ba6 (12.0-0 Nd5=) 12...ba6 13.0-0 (13.Ba3 Bc7=) 13...Nb6 (13...Bb7 14.Qe2=) 14.Bd3 Nbd5 (14...Bb7 15.Ba3=) 15.Nbd2 (better is 15.e4+-) 15...Nb4= 16.Bb1 a5 17.Nc4 Bc7 18.Re1 Ba6 19.Nce5 Nd7 (19...Qd5 20.Ng5=) 20.Nd3 (20.Be4 Rb8 21.Nd7 Qd7=) 20...Nd3 21.Bd3 Bd3 22.Qd3 e5 23.de5 (23.e4 ed4 24.Bd4 Ne5 25.Ne5 Be5=) 23...Ne5 24.Qe2 (24.Ne5 Be5 25.Qd8 Rad8=) 24...Qf6 (24...Nf3!? 25.Qf3 Bh2 26.Kh2 Qb8 27.Kg1 Qb2-/+) 25.Nd4= Qh4 (25...Nc6 26.Nc6 Qc6 27.Rec1=) 26.h3 Rab8 (26...Qe4 27.Red1=) 27.Rac1 (27.Bc3!?+=) 27...Bd6 28.Red1 Rb6?? (28...Qe4 29.Ra1=) 29.Bc3?? (29.Nf5 Qf6 30.Bd4 Rb7+/-) 29...Reb8? (29...Bb4!?=) 30.Ba5 (better is 30.f4!? Ba3 31.Rc2+- (31.fe5?! Bc1 32.Rc1 Qe4+/-; 31.Ba5?! Bc1 32.Bb6 Ba3+/-)) 30...Rb2+/- 31.Rc2 Rb1 32.Nf5 (better is 32.f4 Ng6 33.Bc3 Rd1 34.Qd1+/-) 32...Rd1?? (better is 32...Qf6 33.e4 Ng6+/-) 33.Qd1+- Bf8?? (33...Nf3 34.Kh1 Qf6+/-) 34.Nh4 1–0. Fredek (2065) – Janus 1957 (1820), Freundschaftspartie, 5m + 0s, 2006.

9.Bc3 A) 9...Be7 A1) 10.Be2 dc4 (10...Qc7 11.Nbd2 b6 12.0-0 Bb7 13.Qb3 c5=; 10...cb5 11.ab5 dc4 12.Bc4 Nb6 13.Bd3 Nfd5=; 10...a6 11.bc6 bc6 12.0-0 Rb8 13.Nbd2 c5=) 11.bc6 bc6 12.Bc4 c5 13.0-0 Bb7=; A2) 10.Nbd2 c5 (10...cb5 11.ab5 dc4 12.Bc4 Nd5 13.Qb3 N5b6=) 11.Bd3 dc4 12.Bc4 Nd5 13.Bd5 ed5=; A3) 10.Bd3 dc4 11.Bc4 Nb6 12.Bd3 Bd7 13.e4 cb5=; B) 9...Ba5 10.Bd3 (10.Ba5 Qa5 11.Qd2 Qc7 12.Nc3 dc4 13.Bc4 c5=; 10.bc6 bc6 11.Ba5 Qa5 12.Qd2 Qd8 13.cd5 Ne4=) 10...dc4 11.Bc4 Ne4 12.Ba5 Qa5 13.Nbd2 Nc3=; C) 9...Qe7 10.Bb4 (10.bc6 bc6 11.Bb4 Qb4 12.Qd2 c5 13.Nc3 Rb8=) 10...Qb4 11.Qd2 Qd6 12.Nc3 e5 13.cd5 cd5=; D) 9...Bc3 10.Nc3 c5 (10...Qa5 11.Qd2 cb5 12.Nb5 Qd8 13.cd5 Nd5+=) 11.a5 Ne4 12.Ne4 de4 13.Ne5 Nb8=.

9.Nfd2 Qa5 A) 10.Be2 c5 (10...Ne4 11.Ba3 dc4 12.Bc4 cb5 13.Bb4 Qb4=; 10...dc4 11.Bc4 Ne4 12.bc6 bc6 13.Ba3 c5=) 11.dc5 Ne4 12.c6 bc6 13.bc6 Nb8=; B) 10.Bd3 dc4 (10...c5 11.0-0 cd4 12.ed4 Re8 13.c5 Qc7+=) 11.Bc4 cb5 12.ab5 Qc7 13.0-0 Bd6=.

9.Nfd2 a6 10.Nc3 (10.Bc3 Bc3 11.Nc3 e5 12.de5 Ne5 13.cd5 cb5=; 10.Qb3 a5 (10...Ba5 11.Bd3 c5 12.0-0 cd4 13.ed4 dc4=; 10...c5 11.dc5 Bc5 12.cd5 ed5 13.Bd3 Bd6=; 10...Bd6 11.c5 Bb8 12.Bd3 e5 13.0-0 e4=) 11.Bc3 Bc3 12.Nc3 e5 13.Nf3 ed4=) 10...Qa5 (10...ab5 11.ab5 Ra1 12.Qa1 c5 13.Qa4 Qe7+=; 10...c5 11.dc5 Nc5 12.cd5 Nd5 13.Qc2 Qa5+=) 11.Qc1 (11.Qc2 Re8 12.Bd3 e5 13.0-0 ed4=) 11...e5 (11...c5 12.Bd3 cd4 13.ed4 Qc7+=) 12.f3 (better is 12.de5!? Ne4 13.Nde4 de4 14.e6+=) 12...ed4-/+ 13.ed4 Qc7 (13...Re8-/+) 14.g3 Re8 15.Kf2 ab5 16.ab5 Ra1 17.Ba1 Qb6 18.Na2 (18.c5!? Nc5 19.dc5 Qc5 20.Kg2+=) 18...Bd2-/+ 19.Qd2 dc4 20.bc6 (20.Bc4 Ne5 21.Be2 Neg4 22.Kg1 Ne3-/+) 20...bc6 (20...Qc6!? 21.Bg2 Qd6–+) 21.Bc4-/+ Ne5 22.Be2 Neg4! 23.Kg2 (23.fg4 Ne4) 23...Ne3 24.Kf2 Neg4 25.Kg2 Ba6 26.Ba6 Qa6 27.Nc3 Ne3 28.Kf2 c5 29.d5?? (29.dc5 Nfg4) 29...Nfg4!–+ (29...Nfg4 30.fg4 Qf6 31.Ke2 Nf1 32.Kd1 Qf3 33.Kc2 Nd2–+) 0–1. Schuehler,Ernst – Kuehn, corr JBDDR'3220, 1980.<

9.Nfd2 c5 10.cd5 Nd5 11.Qg4 N5f6 12.Qh4 cd4 13.Qd4 Qe7+=.

9.Nfd2 Qc7 A) 10.Ba3 Ba3 11.Na3 e5 12.cd5 ed4 13.dc6 de3+=; B) 10.Bc3 Be7 11.Bd3 e5 12.cd5 cd5 13.de5 Ne5=; C) 10.Qb3 c5 (10...Bd6 11.c5 Be7 12.Qc3 e5 13.de5 Ne4=) 11.cd5 Nd5 12.Bc4 cd4 13.Bd4 Nc5+=; D) 10.cd5 cd5 (10...Nd5 11.Qc2 Rd8 12.Bd3 N7f6 13.bc6 Qc6=; 10...ed5 11.Bd3 Bd6 12.bc6 bc6 13.Ba3 Rb8=) 11.Ba3 Ba3 12.Ra3 e5 13.de5 Ne5=.

9.Nfd2 Qe7 A) 10.bc6 bc6 11.Bd3 dc4 12.Bc4 c5 13.0-0 Bb7+=; B) 10.Bc3 e5 11.Bb4 Qb4 12.cd5 Nd5 13.Na3 Nc3+=; C) 10.Ba3 Ba3 (10...e5 11.Bb4 Qb4 12.cd5 Nd5 13.Na3 Nc3+=) 11.Na3 e5 12.bc6 bc6 13.Nc2 ed4+=; D) 10.Be2 c5 11.0-0 cd4 12.Bd4 e5 13.Bc3 Rd8=.

9.Nfd2 Re8 A) 10.Be2 c5 (10...cb5 11.ab5 dc4 12.0-0 Nb6 13.Nc4 Nc4=; 10...a6 11.Bc3 Bc3 12.Nc3 e5 13.de5 Ne5=; 10...dc4 11.0-0 Nb6 12.Nc4 Nc4 13.Bc4 cb5=; 10...Qc7 11.0-0 Bd6 12.c5 Be7 13.a5 cb5=) 11.dc5 Nc5 12.0-0 e5 13.Nf3 e4+=; B) 10.Bc3 Bc3 11.Nc3 c5 12.dc5 Nc5 13.Nb3 Nb3=.

7.Nf3 a6 8.Be2= ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...cb5 11.0-0=) 11.0-0 Qa5 12.Nc3 (12.Bc3 Qb6=) 12...Re8 13.d4 (13.Qe1 e5 14.fe5 Ne5=) 13...Bb4 14.Qd3 c5 15.dc5 Bc5 16.Nd4 (16.Bb2 Qb4 17.Nd1 Qf4-/+) 16...Bb6 (16...Bb4 17.Nb3 Qb6 18.Qd4 Qd4 19.Nd4+=) 17.Qd2 Nc5 18.Bb2 Qb4 19.Rb1 Bd7 20.Ne4 (20.Ba1 Nfe4 21.Rb4 Nd2+=) 20...Qd2+= 21.Nd2 Na4 (21...e5 22.fe5 Re5 23.Nf1+=) 22.Ba1 Ba5 (22...Rc8 23.c4=) 23.N2b3 Bb4 24.c4 dc4 (24...Nc3 25.Bc3 Bc3 26.Nc5 dc4 27.Nd7 Nd7 28.Bc4=) 25.Bc4 Nd5 26.Bd5 (26.Nc2 Rc8 27.Bd5 Rc2+/-) 26...ed5+= 27.Kf2 Nb6 28.Rd1 Ra8 29.Rc1 Bd6 (29...Ra2 30.Kf3+=) 30.Bc3 (30.Kf3 h5=) 30...Nc4+= 31.Rc2 (31.Kf3 Re8 32.Re1 Re4+=) 31...g6 (31...Re8 32.Re2+=) 32.Be1 (32.Nd2 h6=) 32...Na3 The isolani on b5 becomes a target (32...Re8 33.Rc3+=) 33.Ra2 Rb8 34.Rd2 f5 (worse is 34...Nb5 35.Nb5 Bb5 36.Rd5+=; 34...Bb5? 35.Nb5 Nb5 36.Rd5 Bf4 37.ef4+-) 35.Nf3 (35.Rd1 h6+= (35...Bb5? 36.Nb5 Nb5 37.Rd5+-)) 35...Nb5-/+ 36.Rd5 Bc6 37.Rd1 Be4 38.Nfd4 (38.Nbd4 Nd4 39.Rd4 Bc5-/+) 38...Nd4-/+ 39.Rd4 Bf8 (39...Be7 40.Bb4 Bh4 41.g3+=) 40.Bb4+= ½–½. Luehrig,Walter – Pleschke,Helmut, Orang–Utan Invitational, 2001.

7.Nf3 cb5 8.Bb5 (8.ab5 a5=) 8...a6 9.Bd3 Nc6 10.Na3 (10.Ne5 Nb4+=) 10...Bd7 11.c4 Nb4 12.Be2 Qa5 Attacking the isolated pawn on a4 (12...Ne4 13.0-0+=) 13.0-0 (13.cd5 Ba4 14.Nc4 Bd1 15.Na5 Be2 16.Ke2 Nfd5 17.Nb7 Be7+=) 13...Ba4 14.Qb1 Qd8 (14...Ne4 15.cd5 Qd5 16.Bc4 Nd2 17.Bd5 Nb1 18.Bb7 Na3 19.Ba8= (worse is 19.Ra3 Ra7 20.Be4 Bc2 21.Bc2 Nc2-/+; 19.Ba3?! Ra7 20.Bb4 Bb4 21.Ra4 Rb7=)) 15.Ng5 g6 16.Rf3 Kg7 (16...Bc5 17.Bc3 Nc6 18.d4 (18.Qb7? d4–+) 18...Ba3 19.Ra3+=) 17.cd5 (17.Bd4 b6=) 17...ed5+= 18.Bc3 a5 19.Bb5 (19.Nb5 Bb5 20.Bb5 h6+=) 19...Bb5 20.Nb5 Be7 21.f5 (21.Nd4 Qd7+=) 21...Ra6 (21...h6 22.Nh3 Qd7 23.Nd4+=) 22.fg6 hg6 23.Qf1 Rh8 24.Rf4 (24.Ra4 Kg8=) 24...Rh5 25.Nf3 Kg8 26.Bb2 (26.g4 Rh7+=) 26...Rh7 (26...Re6 27.g4 Rh8 28.g5+=) 27.Ne5 Re6 28.Rc1 Na6 29.Bd4 Bd6?? (29...Rh5 30.Na7 Nc7+= (worse is 30...Rhe5 31.Be5 Re5 32.Rc8+-; worse is 30...Ree5 31.Be5 Re5 32.Rc8+-)) 30.Nd6+- Rd6 31.Ng6! fg6 (31...Ne8 32.Ne5 Rf6 33.Rf6 Nf6 34.Qf4+-) 32.Bf6+- (32.Rf6?! Rf6 33.Bf6 Qf8+/-) 32...Qd7? (better is 32...Qe8+-) 33.Be5 Re6 34.Rf8 1–0. pcmvr (1885) – trippovic (1675), internet, 2006.

7.Nf3 c5 8.Be2=.

7.Nf3 Bd7 8.Nc3 Be8+=.

7.Nf3 Bd7 8.Bd3 Re8 (8...Be8 9.Nc3+=) 9.0-0 (9.Be5 Ne4+=) 9...a6 10.Qe1 (better is 10.Nc3!?+/-) 10...ab5= 11.ab5 Ra1 12.Ba1 cb5 13.Nc3 (13.Be5 Qe7+=) 13...Qa5 (13...b4!? 14.Nb5 Bb5 15.Bb5 Nc6+=) 14.Qg3 (better is 14.Nd4=) 14...Kh8? (better is 14...g6=) 15.Ng5+- White intends f5 15...g6?? (15...Be7 16.Qh3 h6 17.Nf7 Kg8+-) 16.Nf7 Kg7 17.Nd6 Rf8 18.f5 ef5 (18...Nc6 19.fg6 Nh5 20.Na4 d4 21.gh7 Ng3 22.Rf8 Kf8 23.h8Q Ke7 24.Nb7+-) 19.Nd5 Qd2 20.Nf6 1–0. pcmvr (2735) – dmendiola (2270), net–chess.com, 2007.

7.Nf3 Bd7 8.Be2=.

7.Nf3 Nbd7 8.Be2 Qb6 9.Ne5 Qc7 10.bc6 (10.Nd7 Nd7 11.0-0 e5 12.bc6 bc6 13.fe5 Ne5=) 10...Ne5+= 11.cb7 Bb7 12.fe5 Be5 13.Be5 Qe5 14.Ra3 Rfd8 (14...d4 15.0-0+=) 15.d4= Qc7 16.0-0 Ne4 17.Bd3 Qa5 (17...Rab8 18.Qh5=) 18.Qh5 Qc7 19.Rc3 (19.Rb3 Rab8+=) 19...Qe7 (19...Nc3 20.Bh7 Kf8 21.Nc3=) 20.Be4 de4 21.Nd2 Rd5 (21...e5 22.Nb3=) 22.Qd1 (22.Qe2 Rd7=) 22...Ra5 23.Qa1 Qd7 Attacks the isolani on a4 24.Ra3 Qc7 (24...Rb8 25.Nb3 Rf5 26.Nc5+=) 25.c4 Rh5 26.g3 Rg5 (26...Rd8 27.Rb3=) 27.Kg2 (27.Rb1 Rc8=) 27...h5 (27...Rd8 28.Rb3=) 28.Rf4 (28.Rb3!?+=) 28...e5= Black terminates the opponent with strong threats 29.de5 Black gets strong play along the open d–file 29...Rd8 30.Qc1 (30.Qb2 Re5 31.Rb3 Bc6+=) 30...Re5+= 31.Kg1 (31.Qb2 Re6+=) 31...Red5 32.Nf1 (32.Rf7 Kf7 33.Qf1 Kg8 34.cd5 Qc2-/+) 32...Rd1-/+ 33.Qc2 Re1 (33...Bc6 34.Rc3-/+) 34.Kf2 (better is 34.Rc3!?+=) 34...Rdd1–+ 35.Nd2?? (better is 35.Kg2 Rc1 36.Qb2 Rc4 37.Qb5 Rc2 38.Kg1-/+) 35...Qd7 36.Ne4 Qh3 0–1. Grehl,Siegfried – Andersson,Lars H, corr SOK–90–53, 1990.

7.Nf3 Nbd7 8.Be2 c5 9.0-0 b6 (9...a6 10.Nc3=) 10.Qe1 (10.Nc3 a6=) 10...a6 (10...Qc7 11.Qg3=) 11.Na3 (11.Nc3 e5 12.fe5 Ne5 13.ba6 Nf3 14.Bf3 Be5=) 11...Bb7 (11...c4 12.ba6 Ra6 13.Nb5=) 12.ba6 Ba6 13.Nb5 Bb5 (13...Qe7 14.Ne5 Rfc8 15.d3+=) 14.Bb5+= c4 (14...Qc7 15.Qg3 d4 16.Rae1=) 15.d3 Nc5 (15...cd3 16.cd3 Bc5 17.Ne5+=) 16.dc4+/- dc4 (16...Be7 17.cd5 ed5 18.Qd1+/-) 17.Nd2 Nce4 (17...c3 18.Bc3 Qe7 19.Bd4+/-) 18.Ne4 (18.Bc4 Bb4 19.Ne4 Be1 20.Nf6 gf6 21.Rfe1 Qc7-/+) 18...Be7?? (better is 18...Ne4 19.Bc6 f5 20.Ba8 Qa8+/-) 19.Nf6 (19.Bf6 Bf6 20.Rd1 Qc8+-) 19...Bf6 20.Bf6 (20.Rd1 Bb2 21.Rd8 Rfd8+-) 20...gf6 (20...Qf6 21.Bc4 Qe7 22.Bd3+-) 21.Rd1 Qe7 22.Rd7 (22.f5 e5+-) 22...Qc5 23.Qg3 Kh8 24.f5 Rg8 (24...ef5 25.Rf3 Qa3 26.Rf5+-) 25.Qh3 Rg7 (25...ef5 26.Rf7 Rg7 27.Rg7 Kg7 28.Rf5+-) 26.fe6 Rag8 (26...fe6 27.Rg7 Kg7 28.Qe6+-) 27.ef7 Rf8 28.Qe6 h5 (28...c3+-) 29.Rf6 Qg5 Threatening mate: Qxg2 30.Rh6 1–0. MarcosRamos (1735) – yaunootz (1650), internet, 2007.

7.Nf3 Nbd7 8.Be2 c5 9.0-0 b6 10.Qe1 Bb7N 11.Ne5 (11.Nc3 Re8=) 11...Qc7 12.Nd7 Nd7 13.Qg3 f6 (13...e5 14.a5 d4 15.Qh4=) 14.Qh3 (14.Bg4 Rfe8=) 14...e5 (14...Rfe8 15.Bg4 f5 16.Bf3=) 15.Bg4+= Rad8 16.Be6 Kh8 17.Nc3 (17.Bd7 Rd7 18.fe5 fe5 19.Rf8 Bf8=) 17...ef4 18.Nd5 Bd5 19.Bd5 fe3 20.Be4 h6 21.Qf5 (worse is 21.Qe3 Bh2 22.Kh1 Be5 23.Be5 Ne5+=; 21.de3?! Rfe8 22.Bg6 Re7=) 21...Bh2 22.Kh1 Kg8 23.Qh7 Kf7 24.Bd5 Ke7 (24...Ke8 25.Qg6 Ke7 26.Qg7 Kd6+-) 25.Bc6?? (25.Qg7 Kd6 26.Bc4+-) 25...e2?? (25...Be5 26.Be5 Ne5 27.Qg7 Rf7 28.Qh6 Ng4–+ (28...Nc6?! 29.bc6 ed2 30.Ra3 Qc6 31.Re3 Kd7 32.Rd3 Kc8 33.Rd8 Kd8 34.Qd2 Rd7 35.Qf4-/+; 28...ed2?! 29.Rad1-/+)) 26.Rf3 (26.Rae1!? Be5 27.Re2+/-) 26...Ke6 (better is 26...Ne5 27.Qe4 Kf7 28.Bd5 Ke7=) 27.Re1 (27.Re1 Ne5 28.Re2+-; 27.Qg7?! Be5 28.Be5 Qe5+-) 1–0. Plock,Joerg – Wall,Bill, corr Carel CF–01, 2005.

7.Nf3 Nbd7 8.Be2 Ne8 9.0-0 f6 (9...Nef6 10.Be5 Bb4 11.Ra2=) 10.bc6 (10.Nc3 e5=) 10...bc6 Opening the b–file gets White a lot of play 11.Nd4 Qb6 (11...Nc5 12.Nc3 (worse is 12.Nc6 Qb6–+) 12...Qc7 13.Ba3=) 12.Ba3 Nc5 13.c4 (13.Nc3 Qc7=) 13...Bd7 (13...e5 14.a5 Qc7 15.Bc5 Bc5 16.Nb3=) 14.Nc3+= Qc7 (14...Qa5 15.Bc5 Qc5 16.cd5 ed5 17.Qc2+=) 15.cd5 ed5 16.Rb1 (16.Qc2 a5+=) 16...Rb8 (16...Ne6 17.Bd6 Nd6 18.Nb3+=) 17.Qc2 Ne4 (17...Rb1 18.Rb1 Ne6 19.Bd6 Nd6 20.Bd3 Nd4 21.Bh7 Kh8 22.ed4+=) 18.Ne4 (18.Bd6 N4d6 19.Rfc1 Rb7+/-) 18...Ba3 19.Nc5 (19.Rb8 Qb8 20.Rb1 Qc7+=) 19...Bc5 20.Qc5 Nd6 21.Nb5 (better is 21.d3 Nf5 22.Nf5 Bf5 23.e4+=) 21...Ne4?? (21...Nb5 22.Rb5 Rfc8=) 22.Qc2 (better is 22.Qf8! Rf8 23.Nc7 Nd2 24.Rb7 Nf1 25.Kf1+-) 22...Qa5+= 23.Nc3 Nc3 24.dc3 Rfe8 (24...Qc5 25.Qd2+=) 25.Bd3= f5 26.Bf5 (better is 26.Rb8!? Rb8 27.c4=) 26...Bf5-/+ 27.Qf5 Qc3 (27...Qa4?! 28.Rb8 Rb8 29.Qe6 Kh8 30.Re1=) 28.Rb8 (28.Rfe1 Rb1 29.Qb1 Qa5-/+) 28...Qe3 (28...Rb8?! 29.Qe6 Kh8 30.f5=) 29.Kh1 Rb8 30.Qc2 (30.a5 Qe4 31.Qd7 Qf4-/+) 30...c5–+ 31.g3 (31.Qd1 d4–+) 31...Qe4 (31...c4 32.Qf5 Rd8 33.Qg5 Qe4 34.Kg1–+) 32.Qe4 de4 33.Re1 (33.Rc1 Rb4–+) 33...Rb4–+ 34.a5 Kf7 35.Kg2 (35.Rc1 c4–+) 35...Ke6 36.Kf2 Kd5 37.Ke3 (37.Rd1 Rd4 38.Rb1 Rd2 39.Ke3 Rd3 40.Ke2 Kc6-/+) 37...Rb3 38.Kd2 (38.Ke2 e3 39.Kf3 Kd4–+) 38...Kd4 39.Rd1 (39.Kc2 c4 40.a6–+) 39...Rd3 40.Ke1 Rd1 41.Kd1 Kd3 42.f5 h5 43.h3 e3 44.g4 hg4 45.hg4 (45.Kc1 e2 46.Kb1 e1Q 47.Kb2 Qb4 48.Kc1 Qb3 49.hg4 Qc2) 45...c4 (45...e2 46.Ke1 c4 47.Kf2 c3 48.f6 c2 49.Kg3 e1Q 50.Kh3 Qe3 51.Kh4 c1Q 52.g5 Qg5 53.Kh3 Qh1) 46.g5 (46.Kc1 e2 47.Kb1 e1Q 48.Kb2 Qb4 49.Kc1 Qb3 50.f6 Qc2) 46...c3 (46...e2 47.Ke1 Ke3 48.f6 c3 49.fg7 c2 50.g8Q c1Q) 47.f6 (47.Ke1 c2 48.Kf1 c1Q 49.Kg2 e2 50.Kg3 Qg5 51.Kh2 e1Q 52.f6 Qgg3) 47...gf6 (47...c2 48.Kc1 Kc3 49.fg7 e2 50.g8Q e1Q) 48.gf6 (48.Kc1 e2 49.Kb1 e1Q 50.Ka2 Kc2 51.Ka3 Qb1 52.gf6 Qb3) 48...e2 49.Ke1 c2 0–1. Kucharkowski,Jens – Barz, Freital, 1982.

7.Nf3 Ne4 8.Be2 (8.Nc3 Nc3 9.Bc3 Nd7=) 8...Nd7 9.0-0 cb5 (9...Ndf6 10.Ne5=) 10.ab5+= b6. pcmvr (2450) – navaltoy (2150), net–chess.com, 2006.

6.Nc3 Bd6 7.Nf3 (7.f4 0-0+=) 7...0-0= 8.Ba3 (8.Be2 e5=) 8...Ba3+= 9.Ra3 Qc7 (9...a6 10.Ra2+=) 10.d4 (10.Be2 c5 11.0-0 d4+=) 10...Re8 (10...a6 11.Qc1+=) 11.Be2= Bc8 (11...a6 12.ba6 Na6 13.0-0=) 12.a5 (12.0-0 c5=) 12...Nbd7 (12...cb5 13.Nb5 Qe7 14.Qa1=) 13.Qa1 (13.0-0 Qd6 14.Ra4 c5=) 13...e5 14.de5 (14.0-0 ed4 15.ed4 a6 16.bc6 bc6=) 14...Ne5+= 15.0-0 Bg4 (15...Nf3 16.Bf3 Bg4+=) 16.Nd4 (16.Ne5!? Re5 17.bc6 bc6 18.Rd1+=) 16...Be2 17.Nce2 Rad8 (17...c5 18.Nf3 Nf3 19.gf3-/+) 18.bc6 (18.a6 Nc4 19.Ra4 cb5 20.Nb5 Qd7+=) 18...bc6-/+ (18...Nc6?! 19.a6 Nd4 20.Nd4=) 19.Ng3 (19.Nf4 c5 20.Nb5 Qd7-/+) 19...a6 (19...c5 20.Nb5 Qd7 21.Rb3-/+) 20.Rd1 (20.Rb3 c5 21.Nde2 Nc4+=) 20...g6 (20...c5 21.Nde2+=) 21.Nf3 (21.Rb3 c5 22.Nde2 Rd6+=) 21...Nf3 22.gf3 Qe7 (22...Nd7 23.f4+=) 23.Rb3= Nd7 24.Rb7 Rb8 (24...h5 25.Qd4=) 25.Rdb1= Rb7 (25...h5 26.Ne2+=) 26.Rb7 Rb8 (26...Qe6 27.Qd4=) 27.Qb2 (27.Ra7 h5=) 27...Qd6 (27...Qf8 28.c4+=) 28.Rd7= Rb2?? (better is 28...Qg3! 29.fg3 Rb2=) 29.Rd6+- Rc2 30.Rd8 Kg7 31.Ra8 Ra2 (31...c5 32.Ra6 Ra2 33.Kf1+-) 32.Ra6 1–0. Torrijos Alhambra,Julian – Vidal Peris,Salvador, La Pobla de Vallbona op–B, 2004.

6.Nc3 e5 7.Nf3 e4 8.Ne5+=.

6.c4 Qa5 7.cd5 cd5 8.Nf3 Bb4 9.Be2 0-0 10.0-0 Ne4 11.d3 Nc3 (11...Nc5!?+=) 12.Nc3+/- Bc3 13.Bc3 Qc3 14.Qc1 Rc8 15.Qc3 Rc3 16.Rac1 Ra3 17.Rc7 Ra4 (17...f6 18.Rb7 Rc3 19.Nd4+/-) 18.Ne5 Ra2 19.Rfc1 Nc6? (better is 19...Kf8 20.Rb7 Ke8+/-) 20.Nd7+- (20.Nc6?! bc6 21.Kf1 cb5 22.Rd7 b4+/-) 20...Re2 21.Kf1 Rb2 (21...Ra2 22.bc6 bc6 23.R1c6+-) 22.bc6 bc6 23.R1c6 Rb1 (23...h5 24.Ra6+-) 24.Ke2 Rb2 (24...h5 25.Ra6+-) 25.Kf3 h6 (25...h5 26.Ra6+-) 26.Rc8 Rc8 27.Rc8 Kh7 28.Nf8 Kg8 (28...Kh8 29.Rd8+-) 29.Ne6 Kh7 30.Nf8 Kg8 31.Nd7 Kh7 32.d4 f6 (32...a5 33.Nf8 Kg8 34.Ng6 Kh7 35.Ne7+-) 33.Rc7 a5 (33...Kg8 34.Ra7 h5 35.Nc5+-) 34.Nf6 Kg6 35.Nd5 a4 36.Ra7 Ra2 37.Nf4 Kf5 (37...Kh7 38.d5 Rd2+-) 38.Rf7 Kg5 39.h4! Kh4 40.Rg7 a3 (40...Rf2 41.Kf2 a3 42.g3) 41.g3 1–0. Trkn – guest2328, ICC, 2004.

6.c4 Qa5 7.Nf3 Bb4 8.Nc3 (8.cd5 cd5 9.Bd3=) 8...c5 (8...0-0 9.Bd3=) 9.Be2 (9.Na2 dc4 10.Nb4 Qb4+-) 9...0-0 (9...dc4 10.Na2+=) 10.0-0 Ne4 (10...dc4 11.Na2+=) 11.cd5+/- Nc3 12.dc3 Bc3 13.Bc3 Qc3 14.Rc1 Qb4 (14...Qa3 15.Ne5 a6 16.Nc4+-) 15.de6 (15.Ne5 Qe4 16.Nd3 ed5+-) 15...Be6 16.Qd6 Qa4 17.Qc5 (17.Rc5 Qa2 18.Nd4 a6+/-) 17...Qa5 (17...a6 18.Nd4 ab5 19.Bb5+/- (worse is 19.Qb5 Qb5 20.Bb5 Na6+=)) 18.Ra1 (better is 18.Nd4 Nd7 19.Qc7+-) 18...Nd7?? (18...Qd8+/-) 19.Qd6 (better is 19.Qf8! Kf8 20.Ra5+-) 19...Qb6+= 20.Rfd1 Qd6 21.Rd6 Nb6 (21...Nc5 22.Ng5+=) 22.Nd4 (better is 22.Ne5+=) 22...Bc4? (better is 22...Nc8!? 23.Ne6 Nd6 24.Nf8 Kf8+=) 23.Bf3 (23.Rb6!? ab6 24.Ra8 Ra8 25.Bc4 Ra1 26.Bf1 h5+-) 23...Rfb8 (23...Rab8 24.Rc1 (24.Ra7?? Nc8–+) 24...Bd3 25.Rc3+/-) 24.Bb7?? (better is 24.h4+-) 24...Rb7–+ 0–1. GuestQGGS – GuestBPVH, freechess.org, 2017.

6.c4 Bb4 7.Qb3 Qe7 (7...Bd6 8.d4=) 8.Nf3 0-0 9.Be2 a5 (9...dc4 10.Bc4 a6 11.ba6 Na6 12.0-0=) 10.ba6 (10.0-0 Rc8=) 10...Na6 11.0-0 Ne4 (11...b6 12.Be5=) 12.d3 (12.a5 Nec5 13.Qc2 Ne4+=) 12...Nf6 (12...Nec5 13.Qc2=) 13.Na3 (better is 13.a5=) 13...e5 (better is 13...b6!?=) 14.Ne5 (14.Be5 Ng4 15.Bf4 Be6+/-) 14...Bd6 (14...Bf5 15.Nf3+/-) 15.Nd7 Qd7 (15...Nd7 16.d4 (16.Qb7 Rfb8 17.Qc6 Nb4-/+) 16...Nf6 17.cd5 Nd5 18.Nc4+/-) 16.cd5 (16.Bf6 Nc5 17.Qc2 gf6 18.cd5 cd5+-) 16...Nd5+/- 17.Nc4 Bc5 (17...Rfe8 18.a5+/-) 18.Bf3 Rab8 (18...Bb4 19.a5+/-) 19.Bd5 (19.Rfb1 Rbd8+-) 19...Qd5+/- 20.Qc3 (20.a5 Rfe8+/-) 20...f6 (20...Qg5 21.a5+/-) 21.Rfd1 (21.a5 Bb4 22.Qb3 c5+/-) 21...Bb4 (21...b6 22.e4 Qe6 23.d4+/-) 22.Qd4 (22.Qc2 b6+/-) 22...Qh5 (22...Qe6 23.a5+/-) 23.Ba3 (23.Qb6 Rfd8+/-) 23...Rbd8 (23...b5 24.ab5 cb5 25.g4+/-) 24.Qb2 c5 (24...Ba3 25.Qa3 Rf7 26.d4+/-) 25.Bb4+- Nb4 26.Qb3 (26.d4 Qf7 27.Nb6 Na6+-) 26...Kh8 (26...Qf7 27.d4+-) 27.Na3 (27.d4 Qd5+-) 27...b6 (27...f5 28.d4+-) 28.Nc2 (28.d4 Rb8+-) 28...Nc2 (28...Qd5 29.Qd5 Nd5 30.d4+/-) 29.Qc2 Rd7 (29...Ra8 30.d4+/-) 30.a5+- ba5 (30...b5 31.Rdc1 Rc8 32.Qb3+-) 31.Ra5 Rc7 (better is 31...Rc8+-) 32.d4 (32.Rc1 Qg6+-) 32...Rfc8? (better is 32...cd4 33.Rh5 Rc2 34.ed4 f5+/-) 33.dc5+- h6 34.h3 Qe5 35.Rd4 (35.Rc1 Rc6+-) 35...Kg8 (35...f5 36.Rc4+-) 36.Qc4 Kh8 37.Rd5 Qe7 38.Qd4 Rc6 (38...Rb7 39.Ra1+-) 39.Rd7 Qe5 (39...Qf8 40.Rd6 Rd6 41.Qd6 Kg8 42.Qe6 Kh8+-) 40.Rd5 (40.Qe5 fe5 41.Rd5 e4+-) 40...Qc7?? (40...Qe7 41.Rb5 R6c7+-) 41.Rb5+- Ra8 (41...Ra6 42.Rb1+-) 42.g3 (better is 42.Rb6 Ra7+-) 42...Kg8? (42...Rca6+-) 43.Rd7 Qe5 44.Rbb7 Qg5 (44...Qd4 45.Rg7 Kh8 46.ed4 Rd8+-) 45.Rg7 Kf8 (45...Qg7 46.Rg7 Kg7 47.Qd7 Kg6 48.Qc6 Ra1 49.Kg2 Ra7+-) 46.Rg5 (46.Rg5 hg5 47.Qd7 Rc7 48.Qc7 Ra1 49.Kg2 Rg1 50.Kg1 f5 51.Qd8; 46.Rbf7 Ke8 47.Qd7) 1–0. jaddwarrior (2005) – ZBicyclist (2055), ChessWorld.net, 2015.

6.c4 cb5 7.ab5= dc4 8.Bc4 Ne4 9.d3 Nd6 10.Nc3=.

6.c4 cb5 7.ab5= dc4 8.Bc4 Be7 9.Nf3 0-0 10.0-0 (10.Bd4 Qc7 11.d3 a6+=) 10...h6 (10...Ne4 11.Bd3 Nd6 12.Nc3=) 11.Nc3 (11.Bd4 a5+=) 11...Qc8 (11...Qc7 12.Qb3 Rc8 13.b6+=) 12.Qb3+/- Be8 (12...a6 13.Rfc1+=) 13.Rfc1 Nbd7 14.Ne2 (14.d4 Qd8+/-) 14...Nc5 (14...Nb6 15.d3+=) 15.Qc2 (15.Qa3 Qd7+/-) 15...b6 (15...Nce4 16.d3 Nd6 17.Ba3+/-) 16.d4 (16.Ba3 Bd6+/-) 16...Nb7 17.Qb1 Qd8 (17...Nd6 18.Bd3 Qb7 19.Nc3+/-) 18.Qd3 (18.Bd3 Nd5+/-) 18...Nd6 19.Ne5 Nd7?? (better is 19...Nfe4+/-) 20.Nc6+- (20…Nc4 21.Qc4+- (21.Rc4?! Ne5 22.Ne7 Kh8+/-)) 1–0. Wall,Bill – Guest697, internet, 2002.

6.c4 cb5 7.ab5 dc4 8.Bc4 Be7 9.Nf3 Qb6 10.Nc3 a6 11.Qb3 0-0 12.0-0 Ra7 13.Ne5 Be8 14.d4 ab5 15.Ra7 Qa7 16.Nb5 Qb6 17.Ra1 Nc6 18.f3 Ne5 19.de5 Nd7 20.Bd4 Nc5 21.Qb2 Qc6 22.Na7 Qc7 23.Rb1 Qa5 24.Nb5 Bc6 25.Ra1 Qd8 26.Rd1 Qc8 27.Nd6 Na4 28.Nc8 Nb2 29.Ne7 Kh8 30.Bb2 1–0. Kucharkowski – Jaeckel, Freital 1982.

6.c4 cb5 7.cb5 Bb4 8.Nf3 0-0 9.Be2 Ne4 10.0-0 a6 11.d3 ab5?? (better 11...Ng5 12.Ne5 f6 13.Nd7 Nd7 14.ba6 ba6=) 12.de4+- ba4 (12...f6 13.ed5 ba4 14.de6 Be6 15.Nd4+-) 13.ed5 (better 13.Qd4 f6 14.Qb4 Nc6+-) 13...ed5?? (13...Qb6 14.Nc3 Bc3 15.Bc3+-) 14.Qd5 (better 14.Qd4 f6 15.Qb4+-) 14...Bc6 15.Qe5 Do you see the mate threat? 15...f6 16.Qh5 a3? (16...Qe8 17.Qh3+-) 17.Rd1 (better 17.Ba3!? Qe8 18.Qh3 Be4 19.Bb4 Ra1 20.Bf8 Kf8+-) 17...ab2?? (17...Qe7 18.Bd3 g6+-) 18.Ra8 (18.Ra8 Qe8 19.Qh3+-) 1–0. BeepBeepImAJeep (2580) – yichen (2025), lichess.org, 2017.

6.c4 c5 7.Nf3= Bd6 8.Nc3 0-0 9.cd5 (9.d4 Qa5=) 9...Nd5 (9...ed5 10.Be2=) 10.Nd5 (10.Ne4 Be7=) 10...ed5 11.Be2 Be6 12.d3 Nd7 13.0-0 Qc7 14.Rc1 (14.Qd2 a6=) 14...b6 15.h3 Ne5 (15...a6 16.Nd4=) 16.Nd4 (16.Be5 Be5 17.Ne5 Qe5=) 16...Ng6 (16...Bc8 17.Qb3+=) 17.f4 (17.Ne6 fe6 18.Bh5 Ne7=) 17...Qd7 18.f5 cd4 19.fe6 fe6 20.Bd4 Rf1 21.Bf1 e5 22.Bb2 Qf5 23.Qf3 Qg5?? (better is 23...Qe6=) 24.Qd5+- (24.Qd5 Kh8 25.Qa8 Nf8 26.Qd5 Qe3 27.Kh1+-) 1–0. GuestTRWH – GuestGKHZ, freechess.org, 2017.

6.c4 Bd6=+ 7.d4 dc4 8.Bc4 Qe7 (8...cb5 9.ab5 Bh2 10.g3=+) 9.Nd2 e5 (9...0-0 10.Ngf3=) 10.Ngf3 (10.de5 Be5 11.Be5 Qe5+=) 10...ed4 (10...e4 11.Ne5 0-0 12.Qc2=) 11.Bd4 h6 (11...0-0!?=) 12.0-0+/- c5 (12...cb5 13.ab5 a6 14.e4+/-) 13.Bb2 (13.Bf6 gf6 14.Bd5 Bc8+/-) 13...Be6 14.Bd3 (14.Bf6 gf6 (14...Qf6?? 15.Ne4 Bh2 16.Kh2+-) 15.Ne4 Bc7+/-) 14...Nbd7+= 15.e4 (15.Rc1 Rd8+=) 15...Bc7 (15...Bf4 16.a5=) 16.e5 (16.Qc2 Rd8+=) 16...Ng4 (16...Nd5 17.Nc4+=) 17.Re1 f6 (17...Rd8!? 18.Qc2 Ba5+/-) 18.Bg6 Kf8 (better is 18...Kd8+/-) 19.a5 (better is 19.ef6 gf6 20.Bf5+-) 19...Nge5 (19...Nde5 20.Be4=) 20.Ne5 (20.Be4 Re8+=) 20...Ne5 (20...Be5 21.Qc2=) 21.Be5 (21.Be4 Re8=) 21...Be5 22.Ra3 (22.Rc1 Rd8 23.Qe2 Bf4 24.Qe6 Qe6 25.Re6 h5+-) 22...Rd8 (22...c4 23.Qa4 Bd5 24.Nf3 Bf3 25.Rf3=) 23.Qe2= Qd6 (23...Bd5!?=) 24.Rd3 Qc7 (24...Qb8 25.Rd8 Qd8+/-) 25.Rd8+/- Qd8 26.Nf3 Bg4? (better is 26...Qc7+/-) 27.Qc4+- Qd7 28.Qc5 Qe7 29.Qa7 Qc7 30.Qa8 Qc8 31.Qc8 Bc8 32.Ne5 fe5 33.Re5 (33…Bd7 34.a6 Rh7 35.ab7 Be6 36.Re6 Rh8 37.b8Q) 1–0. Kus,Joanna – Gondko,Katarzyna, Poland–ch U12 Girls, 2001.

6.c4 Bd6 7.Nf3 0-0 8.Nc3 e5 9.cd5 Nd5 10.Be2 Be6 11.0-0 Nd7 12.Ne4 Bc7 13.Ng3 f5 14.d4 e4 15.Ne5 Ne5 16.de5 Nb4 17.Qc1 Nd3 18.Qc2 h5 19.Rfd1 h4 20.Nf1 Qg5 21.Bd3 ed3 22.Qd3 f4 23.ef4 Rf4 24.Bc1 Bd5 25.g3 hg3 26.hg3 Rf2 27.Kf2 Rf8 28.Kg1 Bb6 29.Be3 Be3 30.Qe3 Qg3 31.Qg3 Rf1 32.Rf1 Bc4 33.Rf4 Bf7 34.Qg5 g6 35.Qd8 1-0. Mettigel (2215) - N123456 (2035), Rated Bullet game, lichess.org, 2014.

6.c4 Bd6 7.Nf3 Qe7 8.Be2 e5 (8...0-0 9.cd5 Nd5 10.0-0=) 9.d4 e4 10.Ne5 Bf5 11.0-0 Nbd7 12.Nd7 (12.bc6 Ne5 13.de5 Be5 14.Be5 Qe5 15.cb7 Rb8+=) 12...Bd7 13.Nd2 0-0 14.Qb3 h6 (14...Bg4 15.Bg4 Ng4 16.h3=) 15.cd5 cd5 16.Ba3 Nh7 (16...Ba3 17.Ra3 Bg4 18.Bg4 Ng4 19.h3=) 17.Bd6 Qd6 18.Rac1 Rfc8 19.Rc3 (19.f3 Rc1 20.Rc1 ef3 21.Nf3 Nf6=) 19...Rc3= 20.Qc3 Nf6 (20...Rc8 21.Qb2=) 21.Rc1 (21.Qc5 Qc5 22.dc5 Kf8+=) 21...Ne8 (better 21...a6=) 22.Qc5 (22.Qb3 Nf6+=) 22...Kf8 (better 22...Rc8 23.Qc8 Bc8 24.Rc8 Qd7-/+) 23.Qd6 Nd6 24.Nb3 (24.f3 Ke7+=) 24...b6 25.h3 Ke7 26.Kf1 Rd8 (26...a6 27.ba6 Ba4 28.Nd2=) 27.Ke1 Rc8 28.Kd2 Rc1 29.Kc1 g5 30.Kd2 f5 31.g3 (31.Na1 f4=) 31...f4=+ 32.h4 (better 32.ef4!? gf4 33.g4=+) 32...gh4 33.gh4 (33.ef4? h3 34.Bf1 h2–+) 33...f3 34.Bf1 h5 35.Kc3 (35.Nc1 Nf5–+) 35...Nf5 36.a5 (36.Nc1 Nh4 37.Kc2 Ng6–+) 36...Nh4 37.ab6 ab6 38.Nd2 Ng2 39.Bc4 dc4 40.Ne4 (40.Kc4 Bf5–+) 40...h4 (40...Bb5!? 41.Nd2 Ne1 42.e4–+) 41.Kc4 Bf5 42.Ng5 h3 (42...Ne3 43.Kc3 h3 44.Nf3 Nf1–+) 43.Nh3 (43.Nf3 Ne1! 44.Nh2–+) 43...Bh3 (43...Ne3 44.Kc3 Bh3 45.Kd2–+) 44.Kd5 (44.Kd3 Bd7–+) 44...Ne3! 45.Ke4 (45.fe3 f2) 45...Nc4 46.Kf3 Nd6 47.Ke3 Bd7 48.d5 Bb5 49.Kd4 Bd7 50.f4 (50.Ke5 Nf7 51.Kd4 Kd6–+) 50...Kf6 51.Kc3 (51.Ke3 Ba4–+) 51...Kf5 52.Kb4 Kf4 53.Kc3 Ke5 54.Kb4 Kd5 55.Kb3 b5 56.Kc3 (56.Kb4 Nb7 57.Kc3–+) 56...Kc5 57.Kb3 Be6 58.Kc3 b4 59.Kb2 Kc4 60.Kb1 (60.Kc2 b3 61.Kb2 Bg4 62.Kc1 Kc3 63.Kb1 b2 64.Ka2 Bf5 65.Ka3 Nc4 66.Ka2 b1Q) 60...Kc3 61.Kc1 (61.Ka1 b3 62.Kb1 Bf5 63.Kc1 b2 64.Kd1 Bd3 65.Ke1 Ne4 66.Kd1 b1Q) 61...b3 62.Kb1 (62.Kd1 Bc4 63.Kc1 b2 64.Kb1 Bd3 65.Ka2 b1Q 66.Ka3 Qb3) 62...Bf5 63.Ka1 (63.Kc1 b2 64.Kd1 Bd3 65.Ke1 Ne4 66.Kd1 b1Q) 63...b2 64.Ka2 b1Q 65.Ka3 Qb3 0–1. BeepBeepImAJeep (2615) – DwightHoward (2620), lichess.org, 2015.

6.c4 Ne4 7.Nc3 a6 8.cd5 Nc3 9.Bc3 ab5 (9...cd5!? 10.Nf3 f6=) 10.de6 fe6 (10...Be6!? 11.ab5 Ra1 12.Qa1 f6+/-) 11.ab5+- Ra1 12.Qa1 Bc8 (12...Rg8 13.Qa8 cb5 14.Qb7+-) 13.Be2 (13.Bg7 Rg8 14.Bf8 Rf8+-) 13...Nd7? (better is 13...Qg5+-) 14.Bh5 Ke7 15.bc6 Nc5 16.Nf3 (better is 16.Bg7 Bg7 17.Qg7 Kd6 18.Qd4 Kc6 19.Bf3 Kb5 20.Qb2 Ka6 21.Qa3 Kb5 22.Ne2+-) 16...Ne4 (16...Rg8+-) 17.Bb4 Nd6 18.Qe5 bc6 (18...g6 19.Bg4 bc6 20.Qh8 Ke8 21.Bd6 Qd6 22.Qh7 Qc5 23.Qg6 Ke7+-) 19.Qg5 1–0. pierre – wunceaknight, internet, 2015.

6.c4 g6 7.Nf3 Bg7 8.Be2 Ne4?? (better 8...0-0=) 9.Bg7+- Nf2 (9...Rg8 10.Bd4 dc4+-) 10.Bb2 (better 10.Kf2 Rg8 11.Bd4 f6+-) 10...Ng4?? (better 10...Nd1 11.Bh8 f6 12.Kd1 Kf7 13.Ne5 fe5 14.Rf1 Kg8 15.Be5 a6=+) 11.Bh8+- e5 (11...dc4 12.Bc4 cb5 13.ab5+-) 12.Be5 (12.h3!? Ke7 13.Bg7 Qg8 14.Be5 Ne5 15.Ne5 Qg7+-) 12...Ne5 13.Ne5 Bf5 (13...Bh3 14.Rf1 Qh4 15.Rf2 Bg2 16.Nf7+-) 14.Nf3 Nd7 (14...dc4 15.Bc4 Bd3 16.Bd3 Qd3 17.Ra3+-) 15.cd5 cd5 16.Nc3 Rc8 17.Nd5 Kf8 (17...Bc2 18.Qc1 Be4 19.Nc3+-) 18.Nc3 Kg8 19.0-0 Nf8 (19...Be6 20.Rc1+-) 20.Nd4 Be4 (20...Be6 21.a5+-) 21.Ne4 Ne6 22.Nf6 Kh8 23.Ne6 fe6 24.Rc1 Rb8 25.Qc2 Qd6 26.Qc7 Rd8 (26...Qh2 27.Kh2 Rc8 28.Qh7) 27.Qh7 1–0. BeepBeepImAJeep (2520) – Stupe11 (1650), lichess.org, 2017.

6.d4 Bb4 7.c3= Ba5 8.Nf3 0-0 (8...a6 9.ba6 Na6 10.Bd3=) 9.Be2 (9.Ba3 Re8=) 9...cb5 (9...Qb6 10.Qd3+=) 10.Bb5 (10.ab5 a6=) 10...Qb6+= 11.Qe2 a6 (11...Rc8 12.Bd3=) 12.Bd3= Ne4 (12...Rc8 13.0-0=) 13.Be4 (13.0-0 Rc8=) 13...de4 14.Ne5 Bc6 15.0-0 Nd7 16.Nd7 Bd7 (16...Bd7 17.c4 Qc6=). makaveli1982 – katrica, internet, 2007.

6.d4 cb5 7.ab5 Qb6 8.Qd3+=.

6.Bd4 cb5 7.a5 (better is 7.ab5!? a6 8.Nf3=) 7...Nc6 (7...b4 8.Nf3-/+) 8.a6 (8.Bb5!? Nd4 9.Bd7 Qd7 10.ed4-/+) 8...ba6–+ 9.Ra6 (9.Bb2 Bc8–+) 9...Nd4 10.ed4 Be7 (10...Qc8 11.Ra2–+) 11.Nc3 Qb8 (11...b4 12.Nb1–+) 12.Nf3 (12.Bd3 0-0–+) 12...Qb7 (better is 12...b4 13.Na2 Bc8–+) 13.Ra3?? (better is 13.Qa1–+) 13...Ba3 14.Qb1 (14.Ne5 a6–+) 14...0-0 (14...a6 15.Be2–+) 15.Ne5 (15.Bb5 Rfb8 16.Qa1 Ne4 17.Qa3 Nc3 18.dc3 Bb5–+) 15...a6 16.Na4 (16.Bd3 Bd6–+) 16...Rab8 (16...Qa7 17.Qa1 Be7 18.Nc5 Bc5 19.dc5 Qc5 20.Bd3–+) 17.Nc5 (17.Nb2 Qb6 18.Nd7 Nd7–+) 17...Bc5 18.dc5 Ne4 (18...d4!? 19.f3–+) 19.Qb4 (19.d4 f6 20.Nd7 Qd7–+) 19...Rfc8 20.Bd3 (20.d4 Qc7 21.Nd7 a5–+) 20...Nc5 21.0-0 (21.Be2 Qc7 22.d4 f6 23.Nd7 Nd7–+) 21...Nd3 22.Qe7 (22.cd3 Qc7 23.Qb2–+) 22...Ne5 23.Qg5 f6 24.Qe3 Rc2 25.f4 Nc4 26.Qe1 Rd2 (26...Qb6 27.Kh1 Rd2 28.Qh4–+) 27.f5 d4 28.Rf3 Bc6 (better is 28...ef5!? 29.h3–+) 29.Qf1 Bf3 0–1. Jolilein – Andylein1989, mySchach.de, 2005.

6.Bd4 Bd6=.

6.Be2 Be7 7.f4 0-0 8.Nf3 Bc8 9.0-0 b6 10.Ne5 c5 11.g4 (11.c4 a6=) 11...Bb7 12.g5 Nfd7 13.Ng4 f6 14.h4 (14.gf6 Nf6 15.Ne5 Nbd7+=) 14...Bd6 (14...a6 15.Na3+=) 15.Kh1 (15.gf6 Nf6 16.Nf6 gf6=) 15...Qe7 (15...f5!? 16.Ne5 a6-/+) 16.gf6= Nf6 17.Bf6 (17.Nf6 Rf6 18.Bf6 Qf6=) 17...Rf6 (17...gf6 18.Rg1+=) 18.Nf6= Qf6 19.Na3 Qh4 20.Kg2 d4 (better is 20...e5!? 21.Rh1 Qf6+=) 21.Bf3+= Qg4 22.Kf2 Qh4 23.Ke2 Qh2 24.Rf2 (24.Kd3 Bd5 25.e4 (25.ed4?! Qf4 26.c3 Qf5 27.Ke2 cd4 28.cd4 Bf3 29.Rf3 Qe4 30.Re3 Qg4 31.Rf3 Qd4=) 25...c4 26.Nc4 Bc4 27.Kc4+-) 24...d3?? (24...Bf3 25.Kf3 Qh5 26.Kg3+/-) 25.cd3 (better is 25.Kd3 Qf2 26.Bb7+-) 25...Bf3= 26.Kf3 Qh3 27.Ke2 Qg4 (better is 27...Qh5 28.Ke1 Qh1 29.Rf1 Qh4 30.Ke2 Qh2 31.Kf3 Qh3 32.Kf2 Qh2 33.Ke1 Qh4 34.Ke2 Qh2 35.Ke1 Qh4=) 28.Kf1+/- Qh3 29.Kg1 Bf4?? (better is 29...Nd7+/-) 30.ef4 (30.Rf4 Qg3 31.Kf1 Nd7+-) 30...Qg3 31.Rg2 (31.Kf1 a6+-) 31...Qd3 (31...Qf4 32.Qg4 Qg4 33.Rg4+-) 32.Qg4 Qd4 33.Kh2 Qa1 (33...Nd7 34.Rag1 g6 35.Qe6 Kh8+-) 34.Qe6 Kf8 35.Qc8 Kf7 36.Qb7 Ke6 (36...Nd7 37.Qd7 Kf8 38.Qd6 Kf7 39.Qd5 Kf6 40.Qa8+-) 37.Qa8 (37.Re2 Kf6 38.Qe7 Kg6 39.Rg2 Kf5 40.Rg5 Kf4 41.Qe3) 37...Qd4 (37...Qe1 38.Nc2 Qh4 39.Kg1 Qd8 40.Rg7 Qf6 41.Qe4 Kd6 42.Rh7 Qe6 43.Qd3 Qd5 44.Rh6 Kc7 45.Qd5 Nd7 46.Rh8 Nf8 47.Rf8 a6 48.Qc6) 38.Qb8 (38.Qb8 Ke7 39.Nc2+-) 1–0. Sannidhanam,A (1705) – Raicar,G (1815), Oceania Zonal, Gold Coast AUS, 2009.

6.Be5 Be7=.

6.Nf3 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 Bd6 11.Nc3 0-0 12.Be2 e5 13.0-0 Bg4 (13...Bf5 14.d4 e4 15.Ne5=) 14.h3 (14.Ne5 Be2 15.Ne2 Qb6+/-) 14...Bh5 (14...Be6 15.d4 e4 16.Ne5=) 15.Na4 (better is 15.Ne5 Be2 16.Ne2+=) 15...Nbd7 16.Qc2 (16.Nc3 Bg6=+) 16...Bg6 (16...e4 17.Nd4 Be2 18.Ne2=+) 17.d3=+ Qe7 18.Nh4 Nc5 (better is 18...Bh5=+) 19.Ng6+/- hg6 (better is 19...fg6 20.Nc5 Bc5 21.Be5 Qe5 22.Qc5 Qe6+-) 20.Nc3 (better is 20.Nc5 Bc5 21.Be5 Qe5 22.Qc5+-) 20...Rc8 21.d4 Nce4 22.Qd3 Nc3 23.Bc3 e4 24.Qd2 Bb8 25.Bb4 Qc7 26.Rb1?? (better is 26.f4+=) 26…Qh2 0–1. TIROLOCO – SOULESSNURSE, Caissa.com, 2004.

6.Nf3 Bd6 7.c4 0-0 8.Nc3 Re8 9.Be2 e5 10.d3 Qc7 11.Rc1 e4 12.Nd2 ed3 13.Bd3 dc4 14.Nc4 Bb4 15.Qb3 Nd5 16.0-0 Nc3 17.Bc3 Bc3 18.Rc3 Be6 19.Qb1 h6 20.Nd2 Qa5 21.Qc2 Rd8 22.Nf3 cb5 23.ab5 Qb6 24.Nd4 Bd5 25.Rc7 Nd7 26.Rc1 Ne5 27.Bf5 g6 28.Bh3 Nc6 29.Rc6 bc6 30.bc6 f5 31.g4 Be4 32.Qc4 Bd5 33.Qc3 Rac8 34.gf5 Rd6 35.fg6 Rg6 36.Kf1 Qa6 37.Ke1 Rf8 38.f4 Rg1 39.Kf2 Rc1 40.Qc1 Qa2 41.Kg3 Rf7 42.Nf5 Rc7 43.Qc5 Bh1 44.Nh6 Kh7 45.Qf5 Kh8 46.Qf8 1–0. Finenko – Zagrekov, 1990.

6.Nf3 Be7 7.d4 0-0 8.Be2 cb5 9.ab5 Ne4 10.0-0 Qb6 11.Ba3 Re8 12.Be7 Re7 13.Qd3 Re8 14.c4 Nd6 15.c5 Bb5 16.cb6 Bd3 17.Bd3 a6 18.Nc3 Nd7 19.Na4 Rac8 20.Rfc1 Rc1 21.Rc1 Nc8 22.Rc7 Ncb6 23.Nb6 Nb6 24.Rb7 Na4 25.Ne5 f6 26.Nf3 e5 27.de5 fe5 28.Bc2 Rc8 29.Ne1 Nc5 30.Rb1 a5 31.Nd3 Ne4 32.Rc1 Nd2 33.Ne5 Nb3 34.Bh7 Kh7 35.Rc8 g6 36.Rb8 a4 37.Ra8 Nc5 38.Ra5 1–0. nordlicht – oliver5, gameknot.com, 2001.

6.Nf3 g6 7.Be2 Bg7 8.0-0 c5 9.c4 0-0 10.Qc2 a6 11.d3 ab5 12.ab5 Ra1 13.Ba1 b6 14.Nbd2 Re8 15.Be5+/- h6 16.Qb2 Bc8?? 17.Ra1 Nbd7+= 18.Bc3 e5+/- 19.Ra7?? d4–+ 20.e4 dc3 21.Qc3 Re7 22.Qa3 Nf8 23.Ra8 Qc7 24.Nf1 Bb7 25.Ra7 Qd6 26.Ne3 Bc8 27.Ra8 Bg4 28.Nd5 Nd5 29.cd5 Rd7 30.h3 Bf3 31.Bf3 Rd8 32.Ra7 Rd7 33.Ra8 Rd8 34.Ra6?? Nd7 35.h4 Nb8 36.Ra7 Rd7 37.Ra8 Rd8 38.Bg4?? h5–+ 39.Bh3 Nd7?? 40.Ra7 Nf6 41.f3 Rd7?? 42.Bd7= Nd7 43.Qa6 Kh7?? 44.Qb7+- c4 45.dc4 Nf6 46.Qf7 Qf8 47.Qf8 Kh6 48.Qg7# 1–0. Fredek (2065) – URKO (1615), Freundschaftspartie, 5m + 0s, 2006.

6.g4 h6 7.h4 Qc7 8.f4 Ne4 9.Rh3 f6 10.d3 Qa5 11.Ke2 Nd6 12.Nc3 Qc7 (12...e5 13.Rg3-/+) 13.Bg2 (13.bc6 Nc6 14.Ke1 Rc8+=) 13...cb5-/+ 14.ab5 Nb5 15.Nb5 Bb5 16.Qb1 Bd7 17.f5 (17.Rg3 Nc6-/+) 17...Nc6 (17...ef5 18.gf5 Bf5 19.Rh1–+) 18.e4 de4 19.de4 Be7 20.Qa2 Nb4 21.Qb3 Bb5 22.Kf3 ef5 23.gf5 a6 24.Ne2 Bc4 25.Qc3 Nc6 26.Bf1 Ne5 27.Kg2 Qc6 28.Ng3 Rc8 29.Bc4 Nc4 30.Bc1 Bd6 31.Qf3 Ne5 32.Qh5 Ke7 33.Ra2 Qc4 34.Rb2 b5 35.Qe2 (35.Bf4 Rhg8 36.Qe2 Rgd8–+) 35...Qa4 (35...Ba3!? 36.Rb1 Bc1 37.Rc1–+) 36.Bf4 Rc4 37.Be5 (better is 37.c3 Rc3 38.Ra2–+) 37...Be5 (37...fe5?! 38.c3-/+) 38.Qg4 (38.c3 Rc3 (38...Bc3?! 39.Ra2 Qb3 40.Ra6-/+) 39.Rd2 Rd8–+) 38...Rg8 (better is 38...Bb2 39.Qg7 Kd6–+) 39.c3 Rc3 40.Re2?? (40.Rd2–+) 40...Qd1 41.Qh5 b4 42.Qg4 (42.Re3 Qd2 43.Re2 Qf4–+) 42...Re3! 43.Kf2 (43.Re3 Qg4 Pinning (43...Qg4 Deflection)) 43...Bg3 (better is 43...Bd4 44.Kg2 Qg1 45.Kg1 Rg3 46.Kh2 Rg4–+) 44.Ke3 (44.Rg3 Re2 45.Qe2 Qe2 46.Ke2–+) 44...Qb3 45.Kd4 (45.Kd2 Rd8 46.Kc1 Rd1) 45...Rd8 (45...Qc3 46.Kd5 Rd8) 46.Kc5 Rc8 (46...Qc3 47.Kb6 Rb8 48.Ka7 Qc5 49.Ka6 Qb6) 47.Kb6–+ Rb8 (better is 47...Qg8 48.Qg7 Qg7–+) 48.Ka7+/- Qg8 49.Rg3 Ra8 0–1. Buzykaev,Vladimir – Lashcov,Andrey, Abakan RUS, Sayany Open, 2013.

7.Nf3 Bb4 A) 8.Ne5 0-0 9.Qf3 A1) 9...cb5 10.ab5 a4 11.Bd4 a3 12.Nc3 Bc8=; A2) 9...Ne4 10.cd5 cd5 11.Be2 (11.Nd3 Bd6 12.Nc3 Qh4=) 11...f6 12.Nd3= 12...Bd6=; A3) 9...Qc7 10.bc6 bc6 11.Nd3 Ne4 12.Nb4 ab4=; B) 8.cd5 ed5 B1) 9.Bd3 B11) 9...0-0 10.0-0 Bg4 (10...c5 11.Qc2 c4 12.Be2 Qe7+=) 11.h3 (11.Nc3 Re8 12.Rc1 Ne4=) 11...Bh5 12.Nc3= 12...Re8=; B12) 9...c5 10.0-0 0-0 11.Qc2 c4 12.Be2 Qe7+=; B13) 9...Bg4 10.h3 Bh5 11.g4 Bg6 12.Bg6 fg6=; B2) 9.Be2 0-0 (9...c5 10.Qc2 Qe7 11.0-0 0-0 12.Nc3 Bg4=) 10.0-0 c5 11.Qc2 Re8 12.Nc3= 12...Bg4=.

7.Nf3 Bd6 8.Be2 (8.Be5 Bb4=) 8...0-0 (8...dc4 9.Bc4 0-0 10.0-0=) 9.0-0 Re8 (9...dc4 10.Bc4 Qe7 11.Nc3=) 10.d4 (10.Be5 Be7=) 10...c5 (10...dc4 11.Bc4 Qc7 12.Qb3+=) 11.Ne5 (11.cd5 Nd5 12.Nbd2 cd4+/-) 11...Ne4 (11...Qc7 12.Nd2+=) 12.Nd2 (12.dc5 Nc5 13.f4 Qe7+=) 12...Nd2 (12...Qc7 13.Ndf3+=) 13.Qd2+/- f6 (13...Qc7 14.Rac1+/-) 14.Nd7 Nd7 (14...Qd7 15.cd5 cd4 16.de6+-) 15.cd5 cd4 (15...e5 16.de5 Ne5 17.Rac1+-) 16.de6+- (worse is 16.Qd4 Be5 17.Qd2 Bb2 18.Qb2 ed5+/-) 16...Nc5 17.Bd4 (worse is 17.ed4 Nb3 18.Qe3 Na1 19.Ba1 Rc8+/-) 17...Ne6 18.Bc4 (18.Rfd1 Rc8+-) 18...Kh8 (better is 18...Bh2!? 19.Kh1 Bc7+=) 19.Be6 (19.Rac1 Nd4 20.Qd4 Qe7+-) 19...Re6+/- 20.h3 (20.Rfd1 Bb4 21.Qc2 Rd6+-) 20...Bb4 (20...Qe7 21.Rfd1+-) 21.Qa2 (21.Qd1 Qe7+/-) 21...Re7 (21...Rd6 22.Qf7 Rd7 23.Qe6+/-) 22.Rad1 (22.Rfd1 Qe8+/-) 22...Qe8 23.Rd3 (23.Qe2 Rc8+/-) 23...Rc8 (23...Rd7 24.Rfd1+/-) 24.Rfd1 Rec7 (24...Qg8 25.Qb2+/-) 25.Qa1 Rd7? (better is 25...Qe6+-) 26.Bf6! Rd3 (26...gf6 27.Rd7) 27.Bg7 (27.Rd3?! Qg6 28.Rd8 Rd8 29.Bd8 Qc2+-) 27...Kg8 28.Rd3 Qg6 (28...Qf7 29.Be5 Qe6 30.Qd1+-) 29.Rd7 b6 (29...Qe6 30.Rb7 Be7+-) 30.Qa2 1–0. Noble,W – Baird,J, Sell, 1998.

8.ab5 A) 8...dc4 9.Bc4 A1) 9...Ne4 A11) 10.Qa4 Ng5 (10...f6 11.0-0 Nd6 12.Be2 Qb6 13.Nc3+/-) 11.Ng5 (11.Be2 Bc8 12.0-0 Nd7 13.Ne5+=) 11...Qg5 12.0-0+= 12...Bd6 13.f4+=; A12) 10.Nc3 Nd6 11.Be2 Be7 12.0-0 0-0 13.Qa4+=; A2) 9...Bb4 10.0-0 (10.Ba3 Qc7 11.Qc2 Ba3 12.Na3 0-0 13.d4+=) 10...0-0 11.Ne5 Qc7 12.d4 Rc8 13.Ba3+=; A3) 9...Bd6 10.Be5 (10.Qa4 Bc8 11.Ba3 Nbd7 12.Qc2 Nb6 13.d4=; 10.0-0 b6 11.Qa4 Bc8 12.Ne5 Bb7 13.f4=; 10.d3 0-0 11.0-0 Qe7 12.Ne5 Rc8 13.Qf3+=) 10...Ne4 11.Nc3 Be5 12.Ne5 Nd6 13.d4+=; B) 8...Bd6 B1) 9.Qa4 0-0 10.Be5 (10.d4 dc4 11.Bc4 Na6 12.Nc3 Nb4 13.0-0=) 10...Be5 11.Ne5 dc4 12.Bc4= 12...Bc8 13.d4=; B2) 9.Be5 Bc8 (9...Be5 10.Ne5 Bc8 11.d4 Nbd7 12.Nd7 Bd7 13.c5+=) 10.Bd6 Qd6 11.d4 dc4 12.Bc4 0-0 13.0-0+=.

8.cb5 Bd6 A) 9.Ba3 Ba3 10.Ra3 Qe7 11.d4 Qb4 12.Nfd2+= 12...0-0 13.Rb3 Qd6+=; B) 9.Be2 B1) 9...Qe7 B11) 10.Be5 0-0 (10...Ne4 11.0-0 0-0 12.d3 Ng5 13.Bd6 Nf3+= 11.0-0 Rc8 12.Bd6 Qd6 13.d4 b6+=; B12) 10.d4 0-0 (10...Bb4 11.Nc3 Ne4 12.Rc1 0-0 13.0-0 Nf6+=; 10...Ne4 11.0-0 0-0 12.Ba3 Rc8 13.Bd6 Qd6+=) 11.0-0 Rc8 12.Ba3 b6 13.Ne5 Ra7+=; B2) 9...0-0 B21) 10.Ba3 Qb6 (10...Ne4 11.d3 Ba3 12.Ra3 Nd6 13.Rc3 Qe7+=; 10...Ba3 11.Ra3 b6 12.0-0 Qe7 13.d4 Ra7+=; 10...Qe7 11.Bd6 Qd6 12.d4 Ra7 13.0-0 Rc8+=; 10...Qc7 11.d4 Rc8 12.0-0 Ra7 13.Qd3 b6+=) 11.Bd6 Qd6 12.d4 Ra7 13.0-0 Rc8+=; B22) 10.0-0 Qe7 11.Be5 Rc8 12.d4 Bb4 13.Ra2 Be8+=; C) 9.Be5 C1) 9...Qc7 10.Bf6 (10.d4 0-0 11.Bd6 Qd6 12.Bd3 Rc8 13.0-0 Ra7+=; 10.Bd6 Qd6 11.d4 0-0 12.Bd3 Rc8 13.0-0 Ra7+=) 10...gf6 11.Nc3 Qb6 12.d4+= (12.Rc1 f5 13.Be2 f4+=) 12...Bb4 13.Rc1 Qc7+=; C2) 9...Qb6 10.d4 (10.Bd6 Qd6 11.d4 0-0 12.Bd3 Rc8 13.0-0 Rc7+=) 10...0-0 11.Bd3 Rc8 12.0-0 Be7 13.Ra2 Ng4+=; C3) 9...Qe7 10.d4 (10.Bd6 Qd6 11.d4 0-0 12.Nbd2 Rc8 13.Bd3 Rc3+=) 10...0-0 11.Bd6 Qd6 12.Bd3 Rc8 13.0-0 Rc7+=.

8.cd5 ba4 9.de6 fe6 A) 10.Ne5 A1) 10...Bb4 A11) 11.Nd7 Nbd7 (11...Qd7 12.Nc3 0-0 13.Bb5=) 12.Bc4= (12.Qa4 0-0 13.Bc4=) 12...Nc5 13.0-0=; A12) 11.Qf3 Qc7 12.Bc4 0-0 13.Qh3=; A2) 10...Bd6 11.Nd7 Nbd7 12.Bc4 Kf7 13.Bb5=; B) 10.Nc3 Bb4 11.Na4 0-0 12.Bc3 Bc3 13.Nc3=.

9.Na3 0-0 10.Nc2 Bd6 11.Be2 (11.Rc1 Qe7 12.Be5=) 11...Be8 (11...Qe7 12.Be5=) 12.0-0 (12.Ba3+=) 12...Nbd7 13.Ba3 Nb6 14.Bd6 Qd6 15.d3 e5 16.Qd2 Bd7 17.Rfc1 Rac8 (17...Bg4 18.Nce1=) 18.Bd1 (18.Qa5 Ra8 19.Qb4 Qb4 20.Nb4 Na4 21.Ne5+-) 18...e4= 19.de4 Ne4 (19...Nc4!? 20.Qd4 Ne4=) 20.Qa5+= Nc4 21.Qb4 Qb4 (21...Rc5!?+/-) 22.Nb4+- Ncd6 (better is 22...Nf6+-) 23.Nd5 Rc1 24.Rc1 Be6 25.Ne7 Kh8 26.Rc7 Rd8 27.Nd4 Nf6 28.Ne6 fe6 29.Bb3 Nfe8 30.Rc1 e5 31.Rc5 e4 32.Re5 Nf6 33.Rc5 Nfe8 34.Kf1 Nf6 35.Ke2 Nd7 36.Rd5 Nf6 37.Rd2 Rd7 (37...g6 38.f3+-) 38.Nd5 Nfe8 39.Rd4 Rd8 (39...g6 40.Nc3 Re7 41.b6+-) 40.Nc3 Nf6 (40...Rb8 41.Ne4 Ne4 42.Re4+-) 41.a5 1–0. Schalkwijk,Peter – Bonnet,William, IECG, 1999.

9.Na3 0-0 10.Be2 A) 10...Bc5 A1) 11.0-0 Qe7 12.Ne5 (12.Nc2 Rc8 13.Be5 Bd6 14.Rc1 Ne4 15.Ncd4=) 12...Rc8 13.Nc2 Bd6 14.Rc1 Ne4 15.f3=; A2) 11.Nc2 A21) 11...Qe7 12.Ne5 (12.Rc1 Rc8 13.0-0 Bd6 14.Be5 Ne4 15.Bd6=; 12.0-0 Rc8 13.Be5 Bd6 14.Rc1 Ne4 15.Ncd4=) 12...Bd6 13.0-0 Ne4 14.d3 Nc5 15.d4+=; A22) 11...Bd6 12.0-0 (12.Rc1 Qe7 13.Be5 Be5 14.Ne5 Ne4 15.0-0=) 12...Qe7 13.Be5 Ne4 14.d3 Be5 15.Ne5=; A3) 11.Rc1 Bd6 12.Nc2 Bc8 13.Be5 Ne4 14.0-0 Be5 15.Ne5+=; B) 10...Bd6 B1) 11.Ne5 Ne4 12.0-0 f6 13.Nd7 Nd7 14.f3 Ng5 15.Rc1=; B2) 11.Nc2 Qe7 12.Ne5 (12.Be5 Ne4 13.Bd6 Qd6 14.d4 Rc8 15.0-0=; 12.d4 Ne4 13.Ba3 Ba3 14.Ra3 Rc8 15.Ra1=) 12...Ne4 13.0-0 Rc8 14.f3 Nc5 15.d4=; B3) 11.0-0 Qe7 12.d4 (12.Ne5 Rc8 13.d3 Ne8 14.Qb3 f6 15.Nd7=) 12...Ne4 13.Qd3 Ng5 14.Nd2 f5 15.Nc2+=; C) 10...Qe7 11.Nc2 Bd6 12.d4 (12.Be5= 12...Ne4 13.0-0 Be5 14.Ne5 f6 15.Nf3=; 12.Ne5 Bc8 13.0-0 Nfd7 14.d4 Nb6 15.Ba3=) 12...Rc8 13.0-0 Ne4 14.Rc1 Qf6 15.Ne5=.

9.Qc2 A) 9...h6 10.Be2 A1) 10...Bd6 11.Ba3 (11.0-0 Qe7 12.Be5 0-0 13.Nc3 Rc8 14.Bd6+=; 11.Be5 Qe7 12.0-0 0-0 13.Nc3 Rc8 14.Bd6+=; 11.Qd3 Bc8 12.0-0 Nbd7 13.Ba3 Ne5 14.Ne5+=) 11...Ba3 12.Ra3 0-0 13.0-0 Qb6 14.Rc1+/-; A2) 10...0-0 11.0-0 Bd6 12.Be5 Be5 13.Ne5 Ne4 14.d3+/-; B) 9...0-0 B1) 10.Bd3 B11) 10...Bd6 11.0-0 (11.Be5 Qe7 12.Nc3 Be5 13.Ne5 Rc8 14.f4=) 11...Qe7 12.Be5= 12...Rc8 13.Qb2 Ng4 14.Bd6=; B12) 10...Qe7 11.Qc7 (11.Be5 Bc8 12.Bd4 Nbd7 13.Ne5 Ne5 14.Be5=) 11...Bd6 12.Ba3 Bc7 13.Be7 Rc8 14.Bf6=; B2) 10.Ng5 Re8 11.Bd3 h6 12.Nf3 Bd6 13.Be5 Be5 14.Ne5=.

9.Bc3 A) 9...Be7 10.Be2 A1) 10...0-0 11.0-0 Ne4 12.Bd4 Bd6 13.d3 Ng5 14.Ng5+=; A2) 10...Ne4 11.Bb2 (11.0-0 Nc3 12.Nc3= 12...0-0 13.d4 Bb4 14.Rc1+=) 11...0-0 12.0-0 f6 13.d3 Ng5 14.Ng5+=; A3) 10...Bd6 11.Be5 (11.0-0 0-0 12.Be5 Qe7 13.Bd6 Qd6 14.d4+=) 11...Qe7 12.0-0 0-0 13.Bd6 Qd6 14.d4+=; A4) 10...b6 11.Bd4 (11.0-0 0-0 12.Bd4 Bc8 13.d3 Nbd7 14.Qc2=) 11...0-0 12.0-0 Bc8 13.Nc3 Nbd7 14.Ne5+=; A5) 10...Bc8 11.0-0 0-0 12.d3 Nbd7 13.Nbd2 Bd6 14.Nb3=; B) 9...Qe7 10.Bb4 (10.Be2 Bd6 11.Be5 0-0 12.0-0 Bb4 13.Nc3 Ne4 14.Bd3+=) 10...Qb4 11.Be2 (11.Nc3 0-0 12.Rb1 Qd6 13.d4 Rc8 14.Qd3=) 11...0-0 12.0-0 Rc8 13.d4 Ne4 14.Bd3+=; C) 9...Bc5 C1) 10.Bd3 Qe7 (10...Bd6 11.0-0 Qe7 12.Be5 0-0 13.Nc3 Be5 14.Ne5+=) 11.Qc2 Bd6 12.Be5 0-0 13.Nc3 Be5 14.Ne5=; C2) 10.Qc2 C21) 10...Bd6 11.Be5 (11.Bd3 Qe7 12.Be5 0-0 13.Nc3 Be5 14.Ne5=) 11...Qe7 12.d4 0-0 13.Bd6 Qd6 14.Bd3+=; C22) 10...Qe7 11.Qb2 (11.Bd3 Bd6 12.Be5 0-0 13.Nc3 Be5 14.Ne5=) 11...0-0 12.Bf6 gf6 13.Nc3 Rc8 14.Be2=.

9.Bd3 A) 9...Qe7 10.Ne5 0-0 11.0-0 (11.Qf3 Rc8 12.0-0 Qd6 13.e4 Rf8 14.Nf7+=) 11...Rc8 12.Qf3 Qd6 13.e4 Rf8 14.Nf7+=; B) 9...0-0 B1) 10.Qc2 B11) 10...Qe7 11.Qc7 (11.Be5 Bc8 12.Bd4 Nbd7 13.Ne5 Ne5 14.Be5=) 11...Bc8 12.Qe7 Be7 13.0-0 Re8 14.Rc1+=; B12) 10...Bd6 11.Be5 (11.0-0 Qe7 12.Be5 Rc8 13.Qb2 Be5 14.Qe5=) 11...Qe7 12.Nc3 Be5 13.Ne5 Rc8 14.f4=; B2) 10.0-0 Qe7 (10...Bd6 11.Be5 Qe7 12.Nc3 Bc8 13.Bc2 Be5 14.Ne5+=) 11.Bd4 (11.Ne5 Rc8 12.Qf3= Bd6 13.Bd4 Be8 14.Nc3=) 11...Rc8 12.Nc3 Bc5 13.Be5 Ng4 14.Bg3+=.

9.Be2 0-0 A) 10.Ba3 Qe7 (10...Ba3 11.Ra3 Ne4 12.d3 Ng5 13.Rc3 Qf6 14.0-0+=; 10...Ne4 11.0-0 Qe7 12.Bb4 Qb4 13.d3 Nf6 14.Nbd2+=) 11.0-0 Ba3 12.Ra3 Rc8 13.Rc3 e5 14.d4+=; B) 10.0-0 Qe7 11.d3 (11.d4 Rc8 12.Ba3 b6 13.Ne5 Ra7 14.Qb3+=; 11.Bd4 Ne4 12.d3 Nd6 13.Bc3 Bc3 14.Nc3+=; 11.Ne5 Rc8 12.d4 Be8 13.Nd3 Bd6 14.Ba3=; 11.Ba3 Rc8 12.d4+= 12...b6 13.Bb4 Qb4 14.Ne5+=) 11...Rc8 12.Nbd2 Bd6 13.e4 Nh5 14.e5+=.

9.Be2 Qe7 A) 10.Ba3 0-0 (10...Ba3 11.Ra3 0-0 12.0-0 Rc8 13.Rc3 Rc3 14.Nc3+=) 11.0-0 Rc8 12.d4 b6 13.Bb4 Qb4 14.Ne5+=; B) 10.Bd4 B1) 10...0-0 11.0-0 (11.Ne5 Ne4 12.0-0 f6 13.Nd7 Nd7 14.d3=; 11.Nc3 Bc8 12.0-0 Nbd7 13.Ne5 Ne5 14.Be5+=) 11...Rc8 12.Nc3 Ne4 13.Ne4 de4 14.Ne5+=; B2) 10...Bd6 11.Ne5 0-0 12.0-0 Ne4 13.d3 Nc5 14.Nc3+=; C) 10.Ne5 C1) 10...Bd6 11.0-0 (11.Ba3 Ba3 12.Ra3 0-0 13.0-0 Bc8 14.d4+=; 11.d4 Ne4 12.0-0 f6 13.Nd7 Nd7 14.f3=; 11.Bd4 0-0 12.0-0 Ne4 13.d3 Nc5 14.Nc3+=) 11...0-0 12.Ba3 Be8 13.d4 Nbd7 14.Qc2+=; C2) 10...0-0 11.0-0 (11.Bd4 Ne4 12.0-0 f6 13.Nd7 Nd7 14.d3=) 11...Rc8 12.Bd4 Ne4 13.d3 Nd6 14.Qb3=; D) 10.Be5 0-0 11.Nc3 Ng4 12.Bd4 f6 13.0-0 Qd6 14.Qb3=; E) 10.Nc3 E1) 10...0-0 11.Ne5 (11.Qb3 Rc8 12.0-0 b6 13.Rfc1 Bd6 14.Ba3+=) 11...Rc8 12.0-0 Qd6 13.Na2 Ba3 14.Ba3+=; E2) 10...e5 11.0-0 (11.Rc1 0-0 12.0-0 Rc8 13.d4 e4 14.Ne5=; 11.d4 e4 12.Ne5 Bf5 13.0-0 Nbd7 14.Qb3=) 11...0-0 12.Rc1 Rc8 13.Qb3 Qe6 14.d4+=; F) 10.0-0 0-0 11.Bd4 (11.Ba3 Rc8 12.Bb4 Qb4 13.d4 b6 14.Ne5+=; 11.Ne5 Rc8 12.Bd4 Ne4 13.d3 Nd6 14.Bg4=; 11.d4 Ne4 12.Ba3 Rc8 13.Bd3 Ba3 14.Ra3+=) 11...Rc8 12.Nc3 Ne4 13.Ne4 de4 14.Ne5+=.

7.Nc3 Bb4 8.Qb3 Bc3 9.Bc3 0-0 (9...dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1=) 10.d3 (better is 10.ba6!? Na6 11.Qb7+=) 10...ab5+= 11.ab5 Ra1 12.Ba1 cb5 13.c5 Na6 14.d4 Attacks the isolani on b5 (14.Bf6!? Qf6 15.d4+=) 14...Qa5 Black prepares b4 15.Bc3 b4 16.Bd2 Qa1 (16...Bb5!? 17.Nf3 Ne4-/+) 17.Qd1 Qd1 18.Kd1 Ne4 19.Be2?? (better is 19.Be1+=) 19...b3 (19...Nf2 20.Ke1 Nh1 21.g3–+) 20.Kc1?? (20.Be1 Ra8 21.Kc1 Nac5 22.Kb1–+) 20...Nc7 (20...Nf2 21.Kb2–+) 21.Kb2?? (21.Be1 Bb5 22.Kb2 Bc4-/+) 21...Ba4 (21...Nf2!? 22.Ba5 Rc8 23.Kb3 Nh1 24.Bc7 Rc7 25.Kb4–+) 22.f3?? (22.Be1 e5=) 22...Nf6 (better is 22...Nf2–+) 23.Ba5 Na8 (23...Nb5 24.Nh3 Ra8 25.Bb4=) 24.Ka3 Bc6 25.Bd3 Rb8 26.Kb3 b6 27.cb6 Nb6 28.Bb4 (28.Bb6 Rb6 29.Ka3 Bb5 30.Bb5 Rb5=) 28...Ba4 (28...Nc4!? 29.Nh3 Ne3-/+) 29.Kc3= Rc8 30.Kd2 Nc4 31.Bc4 dc4 32.Ne2 Rb8 33.Bc3 Nd5 34.Ra1 Nc3 35.Kc3 Bb3 36.e4 Kf8 37.Nc1 Ke7 38.Rb1 Kd6 39.Nb3 cb3 40.Rb3 Rb3 (40...Rc8!? 41.Kd3 Rc7+-) 41.Kb3 e5 42.d5 Kc5 43.Kc3 g5 44.Kd3 h5 45.h3 f6 46.Kc3 Kb5 47.Kb3 Kc5 48.Ka4 h4 49.Ka5 f5 50.Ka4 fe4 51.fe4 (51.fe4 g4 52.hg4+-) 1–0. Jacobi,Robin (1875) – Wilhelm,Robin, GER–chT U16 Uelzen, 2007.

7.Nc3 ab5 8.cb5 Bb4 9.Nf3 (9…0-0 10.Be2=). Trkn – guest1728, ICC, 2004.

7.Nc3 Be7 8.Nf3 0-0 9.Be2 dc4 10.Bc4 Qb6 (10...ab5 11.ab5 Ra1 12.Qa1=) 11.Ne5 (11.a5!? Qd8 12.b6+=) 11...ab5= 12.Nd7 Nbd7 13.ab5 Ne5 14.Be2 Ra1 15.Ba1 Rd8 16.Qb1 cb5 17.Nb5 Nc6 18.Bf6 Bf6 19.d4 Qa5 20.Kf1 ½–½. Schwichtenberg,Juergen (1685) – Neumann,Martin, Karl Mala mem op, 2004.

7.bc6 Bc6 8.cd5 Nd5 9.Nf3 Nd7 10.Be2 N7f6 11.0-0 Bd6 12.g3 0-0 13.Ne5 Rc8 14.Nc6 Rc6 15.d3 Qc7 16.e4 Nb4 17.Qd2?? (better is 17.Bf6 gf6 18.Nd2+=) 17...Rc2–+ 18.Qd1 Rb2 19.Nd2 Rc8 (better is 19...Na2 20.Bf3 Nc3–+) 20.Rc1 (20.Nc4 Rc2–+) 20...Rc2 (better is 20...Qc1 21.Qc1 Rc1 22.Rc1 Rd2 23.Rc8 Bf8 24.Kf1–+) 21.Rc2 Qc2 (21...Nc2!? 22.Nf3–+) 22.Nc4 Bc5 23.Qc2 Nc2 24.Rc1 Nd4 25.Bf1 b5 26.ab5 ab5 27.Ne3 b4 28.Nc4 Rb8 29.Ne5 b3 30.Nc4 Nd7 31.Rb1 Nc6 32.Be2 Bd4 Black plans b2 33.Kg2 b2 34.Kf1 Nc5 35.Ke1 Na4 36.f3 (36.Bd1 Bc3 37.Ke2 Nc5–+) 36...Nb4 (36...Ne5!? 37.Na3–+) 37.h4 1–0. Valpa – Giacat, playchess.de, 2005.

7.Nf3 ab5 8.ab5 Ra1 9.Ba1 dc4 10.bc6 Bc6 11.Bc4 Bb4 12.0-0 0-0 13.Ne5 Bd5 14.Qa4 (14.Bd5 Qd5 15.Bd4 Rc8=) 14...Qa5 (14...Bc4 15.Nc4 Nc6 16.Bf6 Qf6 17.d4=) 15.Qa5 Ba5 Black is in command 16.Nc3 (16.d3 Bb4=) 16...Bc3+= 17.Bc3 Rc8 18.Bd5 (18.Bd3 Nfd7 19.e4 Rc3 20.dc3 Ne5 21.ed5 Nd3 22.de6 Kf8+-) 18...Nd5+= (worse is 18...ed5 19.Rb1 Rc7 20.Nd3+=) 19.Bd4 (19.Rc1 b5+=) 19...f6 20.Nd3 (20.Nf3 Rc2+=) 20...Rc2-/+ 21.Rc1 (21.Rd1 Nc6 22.Bc5 f5+=) 21...Rd2 22.Rc8 (better is 22.Nc5!? e5 23.Ne4-/+) 22...Kf7–+ Do you see the mate threat? 23.Ne1 Nc6 24.Bc5 e5 25.Kf1 (25.h3 e4 26.f3 f5–+) 25...e4 26.h3 (26.f3 f5–+) 26...f5 27.g3 (27.g3 Kg6 28.Re8–+). hal1958 – Fedor, playchess.de, 2002.

7.Nf3 ab5 8.cb5 cb5 9.ab5 Ra1 10.Ba1 Bb4 11.Qa4 Qa5 The isolani on b5 becomes a target 12.Qa5 Ba5 13.Bf6 (13.Bf6 gf6 14.Kd1=). rcm06 (1990) – fedec24, gameknot.com, 2012.

7.Nf3 cb5 8.ab5 Be7 9.Be2 0-0 10.0-0 Be8 11.Nc3 Nbd7 (11...dc4 12.Bc4 Bd7 13.Ne5+=) 12.d4 (12.cd5 Qb6+/-) 12...Ne4 (12...ab5 13.Ra8 Qa8 14.cd5 Nd5 15.Nd5 ed5 16.Bb5+=) 13.Ne4 (13.cd5!? Nc3 14.Bc3 ed5 15.ba6 ba6 16.Ba6+/-) 13...de4+= 14.Nd2 Nf6 15.Qc2 ab5 16.cb5 Ra1 17.Ra1 Qd5 18.Bc4 Qh5 19.Ne4 Ng4? (better is 19...Ne4 20.Qe4 Bd6+/-) 20.h3+- Nh6 21.Ng3 Qh4 22.Qe4 Qe4 23.Ne4 Bd7 24.Ra7 Bc8 25.Kf1 Nf5 26.g4 Nd6 27.Nd6 Bd6 28.Ke2 Kh8 29.Bd3 f5 30.gf5 ef5 31.f4 Re8 32.Kf2 h5 33.Bc4 Rf8 34.Bd5 Bb8 35.Ra8 (35.b6 Rd8 36.Bg2 Kh7+-) 35...Bd7 (35...Bd6+-) 36.b6 (36.Bb7?! Bb5 37.Bf3 Bd6+-) 36...Rc8 37.Ba3 Kh7 38.Bb7 Rh8 39.Bf3 g5 (39...Re8 40.b7 h4 41.d5+-) 40.fg5 Bg3 (40...h4 41.Ra7! Ba7 42.ba7 Kg6+-) 41.Kg3 Ra8 1–0. mr5reasons1 (1620) – bucurdragos (1620), gameknot.com, 2012.

7.Bc4 a6 8.ba6 Na6 9.Nf3=.

7.Bc4 a6 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Bb4 11.Nf3 c5 (11...0-0!?=) 12.0-0 (12.Qa7+/-) 12...Ng4? (12...0-0!?+=) 13.h3 (better is 13.Ne4 f5 14.Nd6 Ke7 15.Bg7+- (15.Nb7?! Qc7 16.Bg7 Rg8+-)) 13...Nh6? (better is 13...Nf6!? 14.Qa7 0-0+-) 14.Ne4+- f6 (14...Nf5 15.g4 0-0+-) 15.Nd6 (15.Nd6 Ke7 16.Ne4+/- (16.Nb7?! Qc7=)) 1–0. GuestMKNW – GuestCSNV, freechess.org, 2017.

7.Bc4 a6 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Nb5 Bc6 12.Nf3 Be7 13.Nbd4 0-0 14.0-0 Bd5 15.Rc1 Nbd7 16.Bd3 e5 17.e4 Ne4 18.Nb3? Nec5 19.Nc5 Nc5 20.Ne5 Nb3 21.Bh7 Kh8 22.Qb1 Nc1 23.Ng6?? fg6 24.Qg6 Ne2 25.Kf1 Rf2 26.Kf2-/+ Bf6 27.Bf6 Qf6 28.Ke2 ½–½. Nielsen,Joergen Axel – Soerensen,J, Randers, 1973.

7.Bc4 Bd6 8.Bf6 Qf6 9.d4=+.

8.ab5 a6 9.Nc3 Be7 10.Nf3 0-0 11.0-0 Qc7 12.d3 Rd8 13.Qb3 a5 14.Ne4 b6 15.Ne5 Be8 16.Nf6 Bf6 17.d4 Be5+= 18.de5 Nd7 19.Rfd1 Nc5 20.Qc2 Qe7 21.Ba3 Rd7 22.Rd7 Bd7 23.Rd1 Rd8 24.f4 Bc8 25.Rd8 Qd8 26.h3 Qe7 27.Kh2 Bb7 28.Bc5 Qc5= 29.Qb3 Be4 30.Kg3? h6?? 31.Bd3?? Qe3–+ 32.Kh2 Qf4 33.Kh1 Qc1 34.Kh2 Qf4 35.Kh1 Bd3 36.Qd3 Qe5 37.Qd8 Kh7 38.Qb6 g6?? 39.Qa5= (39…Qc5 40.Qa6=). stoker – henroo1, Caissa.com, 2004.

8.ab5 a6 9.Nf3 Qc7 10.Qb3 Be7 11.0-0 0-0 12.Rc1 Qb6 13.Bd4 Qd8 14.Nc3 Be8 15.Ne5 Nbd7 16.ba6 ba6? 17.Ra6 Ra6+/- 18.Ba6 Ne5 19.Be5 Nd7 20.Bg3 Nc5= 21.Qc4 Bf6?? 22.d4 Na6 23.Qa6 Qc8?? 24.Qc8 (24.Qc8 Be7 25.Qb7+-) 1–0. carocan (1665) – ferdekll, kurnik, 2011.

8.ab5 Qb6 9.Qb3 a6 10.Nf3 Bb5?? 11.Bb5+- Qb5 12.Qb5 ab5 13.Ra8 (13.Ra8 Bd6 14.Na3+-) 1–0. carocan (1755) – mlodykrawat (1690), kurnik, 2011.

8.ab5 Bc8 9.Nf3 Nbd7 10.0-0 b6 11.d4 Bb7 12.Nbd2 Bb4 13.Qb3 Bd2 14.Nd2 0-0 15.Bd3 Re8 16.f4 Ng4 17.e4 f5 18.Bc4 Qf6 19.h3 Nh6 20.d5 Qg6 21.Rf3 Nc5 22.Qc3 Qf6 23.Qa3 Qe7? 24.Rg3+- Qh4?? 25.de6 Re7 26.Qc3 Qf4 27.Qg7! Rg7 28.e7 Nf7 29.Rg7 1–0. Brinks,Jan Willem – Soeteman,Jeroen, NED–ch U20 op, 2000.

8.ab5= Ne4 9.d3 Nd6 10.Nc3=.

8.ab5= Be7 9.Nc3 Qc7 10.Bd3 0-0 11.Na4 Rc8 12.Bd4 Qd8?? 13.Nb6!+- ab6 14.Ra8 Bc5 15.Be5 Be8 16.Qb3 Nbd7 17.Rc8 Qc8 18.Bb2 Nd5 19.Bh7?? (19...Kh7 20.Ne2=; better is 19.Nf3+-) 1–0. Kasper,Peter – Neubauer,Wolfgang, Spree op, 1997.

8.ab5 Be7 9.Nf3 0-0 10.0-0 a6 11.Qb3 Qb6 12.d4 Rc8 13.Nbd2 Be8 14.Rfc1 Nbd7 15.ba6 Qb3 16.Bb3 Rc1= 17.Bc1 ba6 18.Nc4 Nd5 19.Bd2 N7f6 20.Ba4 Ba4 21.Ra4 h6 22.Kf1 Rc8 23.Nfe5 Ra8 24.g3 Ne4 25.Be1 Nd6 26.e4? Nc4 27.Nc4 Nf6 28.f3 Bf8 29.Ke2 Nd7 30.Kd3 Rb8? 31.Ra6+- Rb3 32.Bc3?? Bb4–+ 33.Ra8 Nf8 34.Rd8?? Rc3 35.Ke2 Rc4 0–1. carocan (1715) – ferdekll, kurnik, 2011.

8.ab5 Be7 9.Nf3 0-0 10.Ne5 Be8 11.0-0 Qb6 12.Qb3 Bd6 13.h3 Ne4 14.d4 Be5 15.de5 Nc5 16.Qd3?? Nd3–+ 17.Bd3 Bb5 18.Bb5 Qb5 19.Bd4 Nc6 20.Nc3 Qc4 21.Rac1 Nd4 22.Ne4 Ne2 23.Kh2 Qe4 24.Rce1 Qe5 25.f4 Qb2 26.Rf2 Qf6 27.Ree2 a5 28.e4 b5 29.e5 Qf5 30.g4 Qd3 31.f5 ef5 32.gf5 b4 33.Rd2 Qe4 34.Rde2 Qd5 35.e6 fe6 36.Re6 Qe6! 37.fe6 Rf2 38.Kg3 Re2 39.Kf3 Re6 40.Kf4 Kf7 41.Kf5 Rd8 (41...Rd8 42.Kg4 Rd3 43.h4 Re4 44.Kf5 Rh4 45.Kg5 Rc4 46.Kf5 Rd5; 41...Rae8 42.Kg4 Re3 43.h4 Kg6 44.h5 Kf6 45.h6 R8e4 46.Kh5 g6) 0–1. nizinna – zeneknb55, kurnik, 2011.

8.Nf3= 0-0 9.0-0 a6 10.Nc3=.

8.Nf3 0-0 9.0-0 Qb6 10.Qb3 (10.Nc3 Rc8 11.Qb3 cb5 12.ab5 Be8+/-) 10...Rc8 11.Bd4 c5 12.Be5 Be8 13.h3 Nbd7 14.a5 Qd8 15.Bh2 h6 (15...b6 16.a6+/-) 16.Rd1 (16.Nc3 b6+/-) 16...Nf8 17.a6 b6 18.d4 Bd6? (better is 18...Bd7+/-) 19.dc5+- Bh2 20.Nh2 (20.Kh2?! Qc7 21.Kg1 bc5+=) 20...Qc7 21.c6 Rd8 22.Nd2 Rd6 (22...Ng6 23.Nhf3+-) 23.Bd3 Rad8 24.Nc4 Rd3 (24...Rd5+-) 25.Rd3 Rd3 (25...Rc8 26.Rad1+-) 26.Qd3 Nd5 (26...Ng6 27.Qd6 Qd6 28.Nd6+-) 27.e4 Nf6 (27...Nb4 28.Qd6 Qd6 29.Nd6 Bc6 30.bc6 Nc6 31.Rc1+-) 28.Qd6 Qc8 (28...Qd6 29.Nd6 Ng6+-) 29.Nb6! ab6 30.a7 Qa8 31.Qb8 (31.Qb8 Bc6 32.bc6 Qc6 33.a8Q+-) 1–0. Faygan – Stone, internet private, 2018.

8.Nf3= 0-0 9.0-0 h6 10.d4 (10.d3 a6=) 10...a6 11.ba6 (11.Ba3 ab5 12.ab5 Bd6+=) 11...Na6 12.Ba6 (12.Ne5 Nb4+=) 12...Ra6= 13.Nc3 (13.Ba3 b6=) 13...Re8 (13...Qa5 14.Ne5=) 14.Qe2 (14.Ba3 Nd5 15.Be7 Qe7=) 14...Nd5 (14...Qa5 15.Ne5=) 15.Rfb1 (15.e4 Nf4 16.Qd2 Qc7=) 15...Ra7 (15...Bb4 16.Qc2=) 16.Ne5 (16.e4 Nf4 17.Qe3 Bg5 18.Ng5 Qg5=) 16...Bd6 (16...Bb4 17.Qc4 Bd6 18.e4 Nc3 19.Qc3 Be5 20.de5=) 17.Nd7 (17.Ne4 Bb4+=) 17...Qd7= 18.Ne4 (18.e4 Nf4 19.Qe3 b6=) 18...Rea8 (18...Bc7 19.Nc5 Qd6 20.f4=+) 19.Qc4 (19.Nd6 Qd6 20.Qc2 Qc7=) 19...Be7 (19...Nb6!? 20.Qc2 Na4-/+) 20.Nc5= ½–½. Dessing,Bastiaan – Vandewalle,Christophe, Hengelo op U12, 2001.

8.Nf3= a6 9.Nc3=.

8.Nf3 cb5 9.ab5 0-0 10.0-0 Bc8 (10...Bd6 11.Be5 Be5 12.Ne5 Bb5 13.Nf7=) 11.Qc2 h6 (11...Bd6 12.d3=) 12.Rc1 Nbd7 13.Nc3 (13.d4 Nd5+=) 13...b6 (13...Nb6 14.Be2+=) 14.d4+/- Qc7 (14...Bb7 15.e4+/-) 15.Bd3 Qb8 (15...Qd6 16.Ba3 Qa3 17.Ra3 Ba3 18.Ra1+-) 16.e4 (16.Ba3 Ba3 17.Ra3 Qd6+/-) 16...Bb7 17.e5 (17.Ba3 Ba3 18.Ra3 Rc8+/-) 17...Nd5+= 18.Nd5 Bd5 19.Qc7 Rd8 20.Qb8 Rdb8 21.Rc7 Rb7 22.Rac1 Rab8 (22...Rd8 23.Rc8+=) 23.Rc8 (23.Kf1 Rd8+/-) 23...Bd8 (23...Rc8 24.Rc8 Nf8 25.Kf1+=) 24.Nd2 (24.Ba3 Rc8 25.Rc8 Rb8+/-) 24...Rc8 25.Rc8 Rb8 26.Rc2 Bb7 (26...Bg5 27.Ne4+=) 27.Ne4+/- Nf8 (27...Rc8 28.Rc8 Bc8 29.Nd6 Ne5 30.de5+-) 28.Nd6 Bd5 29.f4 Ng6 30.g3 Ne7 31.Ba3 Bb7 (31...Ra8 32.h3+/-) 32.f5 (32.Nb7 Rb7 33.Be7 Be7 34.Rc8 Bf8+/-) 32...Nd5 (32...Nf5 33.Nb7 Rb7 34.Bf5 ef5 35.d5+=) 33.Kf2 (33.Nb7 Rb7 34.Rc6 ef5+-) 33...Be7 34.Be4 (34.Ra2 Bd6 35.Bd6 Ra8+/-) 34...Bd6 (34...a5 35.ba6 Ba6 36.h3+/-) 35.ed6 (35.Bd6 Rd8+/-) 35...Rd8 (35...ef5 36.Bf5 g6 37.Be4+/-) 36.g4 (36.fe6 fe6 37.Rc7 Nc7 38.dc7 Rc8 39.Bb7 Rc7+/-) 36...Rd7 (36...ef5 37.Bf5 g6 38.Be4+/-) 37.h3 (37.Bd5 ed5 38.Rc7 Rc7 39.dc7 a5+-) 37...g6 38.fe6 fe6 39.Bg6 Kg7? (39...Nf4 40.Be8 Nh3 41.Ke3 Rd8+-) 40.Be8+- Rd8 41.d7 (41.Bc6 Ba8+-) 41...Kf6 (41...a6 42.ba6 Ba6 43.Kg3+-) 42.Kg3 (42.Bc1 Nb4 43.Rc3 Na2+-) 42...Kg7 (42...a5 43.Rf2 Kg7 44.Bf8 Kh7 45.Rf7 Kg8 46.Bh6+-) 43.h4 (43.Re2 Nc3 44.Re5 Kf6+-) 43...Nf6? (better is 43...a5+-) 44.Be7 (44.Be7 Ne8 45.Bd8+- (45.de8R?! Re8 46.Rc7 Bd5+-; 45.de8Q?! Re8 46.Rc7 Bd5+-)) 1–0. Brand,Thomas (1910) – Schriebl,Alexander (1740), Gleisdorf ch, 1996.

7.Nf3+= 0-0 8.Nc3 a6+=.

7.Nf3+= 0-0 8.d4 Bb4= 9.Bc3 a5=.

7.Nf3 0-0 8.d4 Bb4 9.Nbd2 a6 10.Qb3 c5 11.Bc3 ab5 A) 12.Bb4? bc4 (< 12...cb4 13.cb5 Qa5 14.Bd3+=) 13.Qc3 cb4 14.Qb4 b6–+; B) 12.cb5 Bc3 13.Qc3=+.

7.Nf3+= 0-0 8.d4 Bb4= 9.Nbd2 Ne4 (9...a6 10.cd5 cd5 11.Bd3 ab5 12.ab5 Ra1 13.Qa1= (worse is 13.Ba1 Qa5-/+)) 10.Ba3= Ba3 11.Ra3 Nd2 12.Qd2 cb5 (12...a6!? 13.ba6 Na6=) 13.ab5+/- Qe7 (13...a5 14.Qa2+/-) 14.c5 a6 (14...Rc8 15.Bd3+-) 15.Bd3+- Bb5 (better is 15...f6+-) 16.Bb5 Nc6 (16...b6 17.0-0 bc5 18.Raa1+-) 17.Bc6 bc6 18.0-0 Qc7 (18...Rfb8 19.Ne5 Qc7 20.Qa5+-) 19.Rfa1 Qb7 20.Qd3 Rfb8 21.h3 f6 22.Ra6 Ra6 23.Qa6 Qa6 (23...Qc7 24.Qe2+-) 24.Ra6 Rb1 (24...Rc8 25.Ra7+-) 25.Kh2 Rb2 (25...Rb7 26.Rc6 Kf7 27.Kg3+-) 26.Kg3 (26.Rc6 Kf7 27.Rc7 Ke8 28.Rg7 Rf2 29.Rh7 Re2+-) 26...Kf7 27.Ra7 Kg6 (27...Kg8 28.h4+-) 28.Rc7 h5 (28...Rb8 29.Rc6 Re8 30.Rc7+-) 29.Rc6 Rb8 (29...Kf7 30.Rc7 Kg6 31.Re7+-) 30.Re6 Rc8 (30...Kf7 31.Rb6 Rg8 32.Rd6+-) 31.Rd6 1–0. Taulien,Hans_Juergen (2350) – Pieleck,Rudi (1770), remoteschach.de, 2002.

7.Nf3 0-0 8.Be2 h6 9.0-0 a5 10.d4 Bb6? (better is 10...Bb4+/-) 11.c5+- Bc7 (11...cb5 12.cb6 b4 13.Nbd2+-) 12.b6 Bh2 13.Nh2 Ne4 (13...Na6 14.Nc3+-) 14.Nc3 e5 15.Ne4 de4 16.de5 Be6 17.Qc2 Nd7 18.Rad1 Bd5 19.f4 Qe7 20.Bd4 Rad8 21.Ng4 Rfe8 22.Qc3 Be6 (22...h5 23.Nf2 h4 24.Qa5+-) 23.f5 Bd5 24.f6 Qe6 25.Qe1 Bc4 (25...Kh7 26.fg7 Qg6+-) 26.Nh6 Kf8 27.Qh4 Be2 28.Nf5 Kg8 (28...Bh5 29.fg7 Kg8 30.Qh5 Qh6 31.Qh6 f6 32.Nd6 Ne5 33.Qh8) 29.Qg5 g6 30.Qh6 Nf6 (30...Qf6 31.ef6 Bd1 32.Qg7) 31.Qg7 1–0. pierred (2845) – nerob (2055), net–chess.com, 2015.

7.cd5 cd5 8.Bd3 (8.Nf3 a6=) 8...a6 (8...0-0 9.Nf3=) 9.Nf3 ab5 (9...Bd6 10.0-0=) 10.ab5 Ra1 11.Ba1 0-0 12.Bd4 (12.0-0 Qc7=) 12...Ne4 13.Nc3 f6 (better is 13...Nc3!? 14.dc3 f6+=) 14.Ne4+/- de4 15.Be4 Bb5 16.Bh7! Kh7 Decoy theme: h7 17.Qb1 Theme: Double Attack 17...Kg8 (17...g6 18.Qb5 Qd7 19.Qb1+/-) 18.Qb5 Qc7 (18...Qd7 19.Qb3+/-) 19.0-0 Nc6 (19...Qd7 20.Qb3+/-) 20.Bb6 (20.Rb1 Rc8+/-) 20...Qd6 21.d4 (21.Rb1 Qd5+/-) 21...Rf7 (21...Qb4 22.Qb4 Nb4 23.Rb1+/-) 22.Qh5 (22.Rb1 Qd7+-) 22...Nb4+/- 23.Ba7 (23.Bc5 Qd5 24.Qd5 Nd5+/-) 23...Nd5 (23...b6!? 24.Ra1 Nc2+=) 24.Bc5 (24.Nh4 g5 25.Bc5 Qc6+-) 24...Qd7 (24...Qc6 25.Be7 Re7 26.Nh4+-) 25.Rc1 (25.Nh4 g5 26.Ng6 Rh7 27.Ne7 Ne7+-) 25...Bc5 (25...Bd6 26.Ra1+-) 26.Rc5 (26.Rc5 Rf8 27.Ra5+/-; 26.dc5 Rf8+-) 1–0. marekt – gunar, ChessWorld.net, 2002.

7.cd5 ed5 8.Nf3 Qb6 9.Bd4 c5 10.Bb2 a6 11.Ne5 ab5 12.Nd7 Nbd7 (worse is 12...Nfd7 13.Bg7 Rg8 14.ab5 Ra1 15.Ba1+/-) 13.Bb5 0-0 14.0-0 Rfd8 15.Qc2 Rac8 16.h3 h6 17.Nc3 d4 18.Ne2 Qd6 19.ed4 cd4 20.Qd3 Nc5 21.Qd4 Qd4 (21...Nb3!? 22.Qd6 Rd6+/-) 22.Nd4+/- (22.Bd4?! Nb3 23.Bf6 Bf6=) 22...Nfe4 23.d3 (23.Nf5 Bf8 24.d3 Nd3 25.Bd3 Rd3 26.Bg7 Bg7 27.Ne7 Kf8 28.Nc8 Ba1 29.Ra1 Rd2+/-) 23...Bf6 (better is 23...Nd6!?=) 24.de4+/- Bd4 25.Bd4 Rd4 26.f3 Ra8 27.a5 (27.Rfc1!? b6 28.Rab1+/-) 27...Nb3+= 28.Ra3 Na5 29.Rfa1 b6 30.Rb1 Rad8 31.Bf1 Rd1 32.Rd1 (32.Rb6? Nc4 33.Rba6 Nd2–+) 32...Rd1 33.Kf2 Rd2 34.Ke1 Rb2 35.e5 Rb3 36.Rb3 Nb3 37.Bc4 Nd4 38.Kd2 Kf8 39.Kd3 Ne6? (better is 39...Nc6!? 40.f4 Ke7+=) 40.Be6+- fe6 41.Kc4 Kf7 42.Kb5?? (better is 42.h4+-) 42...Kg6= 43.f4?? (better is 43.Kc6!? b5 44.Kb5=) 43...Kf5-/+ 44.g3 g5 45.fg5 hg5 (45...Kg5 46.Kc6 b5 47.Kb5 Kf5–+) 46.Kb6= Ke5 47.h4 gh4 48.gh4 Kf5 49.Kc5 e5 50.h5 e4 ½–½. Hal1958 – Nico21, playchess.de, 2006.

7.Nf3 a6 8.Nc3=.

7.Nf3 h6 8.Qc2 0-0 9.Be2 cb5 10.cb5 a5 (10...a6 11.0-0=) 11.0-0+= b6 12.Rc1 Ra7 13.Ne5 (13.Be5!?+/-) 13...Bd6+= 14.d4 Rc7 15.Qd1 Rc1 16.Qc1 Qc8 17.Nd2 Qc1 18.Rc1 Rc8 19.Rc8 Bc8 20.Ndf3 Nbd7 21.Nc6 Nf8 22.Nfe5 Bd7 23.Nd7 N8d7 24.Bc3 Ne4 25.Be1 Ba3 26.f3 Nd6 27.Bd3 Bc1 28.Kf2 f5 29.Nd8 (29.Ke2 Kf7+=) 29...Nf8 30.Ke2 Nf7 31.Nb7 (31.Nc6 g5+/-) 31...Ba3 32.Bg3 Be7 33.Bc7 Nd7 34.e4 g6 35.ed5 ed5 36.Bc2 Kg7 37.Bb3 Kf6 38.Bd5 g5? (38...Ng5+-) 39.Bc6 Nf8 40.Bb6 Nd6 41.Na5 f4 (41...Ne6 42.d5 Nc8 43.Bf2+- (43.de6?! Nb6 44.Bd7 Na4+-)) 42.Bc7 (better is 42.Kd3 Ng6+-) 42...Nc8 (42...Ne6 43.Bd6 Nd4 44.Kd3 Nc6 45.Nc6 Bd6 46.a5+-) 43.Bb7 (better is 43.b6 Nb6 44.Bb6 Bb4+-) 43...Nd6 44.b6 Nb7 (44...Ne6 45.Kd3+-) 45.Nb7 Bb4 (45...Ne6 46.d5 Nd4 47.Kd3+-) 46.a5 Nd7 (46...Ba5 47.Na5 Nd7 48.b7+-) 47.a6 1–0. purplegadge (1770) – savarth, gameknot.com, 2014.

7.Bf6 Bf6 8.d4 0-0 9.c5 (9.cd5 ed5 10.Nc3 Qa5+=) 9...b6 10.Qc2 a5 (10...e5 11.de5 Be5 12.Ra2-/+) 11.Nc3 (better is 11.Ra2!?=) 11...bc5-/+ 12.dc5 cb5 (better is 12...Qe7!?-/+) 13.ab5= Bc3 (13...Qc7!? 14.c6 Rc8=) 14.Qc3+= a4 15.c6 Nc6 (better is 15...Qc7!?+/-) 16.bc6+- Bc6? (better is 16...Rc8 17.Bb5 Qb6 18.Ba4 Bc6+-) 17.Qc6 Qa5 18.Ke2 Rfc8 19.Qb7 (19.Qd6 a3 20.Qe5 Qb5 21.Kf3 Qb2+-) 19...Rc2? (19...Qc3 20.Qb1 Rcb8=) 20.Kf3 h5 (20...a3 21.Nh3+-) 21.Bd3 Rd2 22.Be2 (22.Ra3 Qd8 23.Nh3 g5+-) 22...Ra7 (22...Qd8 23.Rf1+-) 23.Qb8 Kh7 24.Qb1 (24.Nh3!? d4 25.Bb5 a3+-) 24...g6 25.Nh3 Re2 (25...e5 26.Bf1 e4 27.Kg3 Qd8+-) 26.Ke2 d4 27.ed4 Qa6 (27...Qd5 28.f3 Qd4 29.Rd1 Qe5 30.Kf2 Qc5 31.Kf1+-) 28.Qd3 Qc6 29.f3 a3 30.Rhc1 Qa4 (30...Qd6 31.Rc5+-) 31.Ng5 Kg7 32.Rc4 (32.Kf1!? Qa5 33.Rc5 Qb4+-) 32...Qb5 33.Ne6! Kf6 (33...fe6 34.Rc7 Pinning) 34.d5 (better is 34.Rb1 Qf5 35.Qf5 Kf5+-) 34...Qb2 35.Rc2 (better is 35.Qd2 Qd2 36.Kd2 fe6 37.de6 Ke6 38.Rc3+-) 35...Qa1 36.Nd4?? (better is 36.Ng5! a2 37.Qe3+-) 36...Re7= 37.Ne6 fe6 38.Rc6?? (better is 38.d6!? Rd7 39.Qe4=) 38...Qe5 (38...a2!? 39.d6 Qe5 40.Qe4–+) 39.Kf2?? (39.Qe4 Qb2 40.Kd3–+) 39...a2–+ (39...Qh2?! 40.d6 Rd7 41.Qa3 Qh4 42.Ke2=) 40.Re6 (40.Ra6 a1Q 41.Ra1 Qa1 42.de6–+) 40...Re6 41.de6 a1Q 42.Qd8 Kf5 (42...Ke6 43.Qg8 Ke7 44.Qh7 Qg7 45.Qg7 Qg7 46.Kf1–+) 43.Qf8 (43.Qd3 Kg5 44.Qd8 Kh6 45.Qf8 Qg7 46.Qg7 Kg7–+) 43...Ke6 44.Qg8 Kd6 45.Qg6 Kd5 (better is 45...Kc7 46.Qc2 Kb6–+) 46.Qf7 (46.Qg8 Qe6 47.Qe6 Ke6 48.h4–+) 46...Kc5 47.Qf8 Kb5 0–1. Baer,Cy (1895) – Klawitter,Bernd (1790), RSS7E easy–68, 2008.

6.Bb5 Bd7 7.Nf3 Be7 8.Nc3 0-0 9.0-0 Bb5 10.ab5 Nbd7 11.Qe2 b6 (11...e5 12.Ra2=) 12.Nd4 Nc5 13.Nc6 Qc7 14.Na4 Rfc8 (14...Nce4 15.d3 Nd6 16.Be5+= (worse is 16.Ne7 Qe7 17.Ba3 Qc7=)) 15.Nc5+/- bc5 16.Ra4 (16.Ra6 Qd7+/-) 16...a6 (16...Qb7 17.Be5 Rc6 18.bc6 Qc6 19.Rfa1+/-) 17.Rfa1 a5 (17...c4!?+/-) 18.Ra5+- (worse is 18.Ne7 Qe7 19.c4 e5+/-) 18...Ra5 19.Ra5 (19.Ne7?! Qe7 20.Ra5 c4+/-) 19...Rb8? (better is 19...Bd8+-) 20.Ra7 (20.Nb8?! Qa5 21.Nc6 Qc7+-; 20.Ne7?! Qe7 21.Be5 Rd8+-) 20...Rb7 (20...Qb6+-) 21.Ra8 Bf8 22.Bf6 gf6 (22...Qd6 23.Be5 Qe5 24.Ne5 g6+-) 23.Qg4 Kh8 24.Rf8 1–0. Guestcello – Hpipsub, internet, 2019.

6.c4 Nb6 7.cd5 Nbd5 (worse is 7...Qd5 8.Bf6 gf6 9.a5+=) 8.Nf3 Bb4 9.Be2 0-0 10.0-0 cb5 11.ab5 Bd7 12.Ne5 a6 13.ba6 ba6 14.Ra6 Ra6 15.Ba6 Qa5 16.Nd7 Nd7 17.Bc4 Rc8 (17...Rb8!?+/-) 18.Bd5+- Qd5 19.Nc3 (better is 19.Bg7!? Kg7 20.Qg4 Kh8 21.Qb4+-) 19...Qg5 20.Ne4 Qg6 21.Ng3 Rc2 22.Bc3 Ba3?? (22...Bc3 23.dc3 Nf8 24.Qd4+/-) 23.Qa1?? (better is 23.e4 Rc3 24.dc3+-) 23...Bd6+= 24.Qa4 Nc5 25.Qa8 Bf8 26.Bb4 f5 (26...Qd3!?+=) 27.d4+/- Nd7 28.Bf8 Nf8 29.Re1 Qf7 30.Ne2 g5 31.Kf1 Kg7 32.Rb1 Kf6?? (32...Qh5 33.Ng3 Qh2 34.Rb7 Kg8 35.Qe8 Qg1 36.Kg1 Rc1 37.Kh2 Rh1 38.Kh1 h5 39.Qf7 Kh8 40.Qf8) 33.Qa4 (better is 33.Rb7 Nd7 34.Qa4+-) 33...Qc7+/- 34.Qa1 Kg6 (34...Qh2 35.d5 Kg6 36.Qh8 Qh1 37.Ng1+/-) 35.g3 (35.Qa8!? Qc8 36.Qa4+/-) 35...Qc4 Threatening mate: Qxe2 36.Re1 Ra2 37.Qc1 Rc2 38.Qd1 h5 39.h3 Nd7 40.Kg1 Nb6 41.Nc1 Nd5 42.Nd3 Kh6 43.Kh2?? (better is 43.e4 fe4 44.Re4+-) 43...Ra2 Black intends Nc3 44.Ne5?? (better is 44.Qb1=) 44...Rf2–+ 45.Kg1 Qa2 46.Nd3 Rg2 47.Kf1 Rg3 48.Re2 (48.Nf2–+) 48...Ne3 0–1. hal1958 – froilo, playchess.de, 2003.

6.c4 Qc7 7.cd5 cd5 8.Nf3 e5 9.Be2 Bd6 10.h3 Nf8 11.d4 e4 12.Nfd2 Be6 13.Nc3 Rc8 14.Qb3 N8d7 15.0-0 0-0 16.Rfc1 Qa5 17.Ba3 Ba3 18.Qa3 Rc7? (better is 18...Ne8=) 19.Nb3+- Qc3 20.Rc3 Rc3 21.Qb2 Rc7 22.Rc1 Rc1 23.Qc1 Nb6 24.a5 Rc8 25.Qa3 (worse is 25.ab6 Rc1 26.Nc1 ab6+=) 25...Nc4 26.Qe7 Bd7 27.Qb4 b6 28.ab6 ab6 29.Nd2 Be6 30.g4 h6 31.Kg2 Ne8 32.Kg3 Nd2 33.Qd2 Nd6 34.Qb4 Nc4 35.h4 Bd7 36.g5 hg5 37.hg5 g6 38.Kf4 Be6 39.f3 ef3 40.Bf3 Re8 41.e4 de4 42.Be4 (42.Ke4?! Rd8+/-) 42...Rc8 (42...Na5 43.d5 Bd7 44.d6+-) 43.Bc6 (43.d5 Bh3 44.Bd3 Na5+-) 43...Na5 (43...Rd8 44.d5! Rd5 45.Bd5 Bd5 46.Qe7+-) 44.d5 Bf5 45.Ke5 Rb8 (45...Kg7+-) 46.Kf6 Nc6 (46...Nb3 47.Qb3 Rf8 48.Qc4+-) 47.bc6 (47.dc6 Re8 48.Qb3 Re6 49.Qe6 Be6+=) 47...Re8 48.Qb6 Kf8 (48...Bc8 49.Qb8 Bd7+-) 49.Qc7 Be6 50.Qh2 1–0. Melich,Jindrich – Vana,O, CZE League, 1998.

6.c4 Bd6 7.Nf3 0-0 8.Be2 Re8 9.0-0 e5 10.d4 e4 11.Nfd2 Bb8 12.Re1 (12.Nc3 cb5 13.ab5 dc4=+) 12...Nf8 (12...dc4 13.Nc4 cb5 14.ab5=+) 13.Nf1 Ng6 14.Nbd2 h5 (14...cb5 15.cb5 Be6 16.Nb3=) 15.f3 (15.Bh5!? Nh5 16.Qh5 cb5 17.ab5+- (worse 17.cd5 ba4 18.f3 ef3 19.Nf3 Re4=)) 15...ef3= 16.Bf3 White gets strong initiative 16...Ng4 (16...Bg4!?=) 17.e4 Qh4? Can h2 get defended? (better 17...Nf4!? 18.Qc2 dc4 19.Nc4 cb5 20.ab5 Be6+=) 18.g3+- (18.ed5?? Bh2 19.Nh2 Qh2 20.Kf1 Qh1) 18...Qf6 (18...Qd8 19.ed5 Re1 20.Qe1 cb5 21.ab5+-) 19.ed5 Re1 20.Qe1 cd5?? (20...Bd7 21.dc6 bc6 22.h3+-) 21.Bd5 (21.Qe8 Nf8 22.Qc8 a6+-) 21...Bf5?? (better 21...Ne7 22.Bg2 Be5+-) 22.Bb7 Bg3 23.Qg3 (23.Ba8 Be1 24.Re1 Qh4 25.Re8 Kh7–+; 23.Ng3 Rb8 24.Nf5 Qf5+-; 23.hg3 Rb8 24.Bf3 Nf8+-) 23...Rd8 24.Be4 (24.c5 h4 25.Qf3 Qg5+-) 24...Bc8 (24...Rc8 25.h3 h4 26.Qg2+- (26.hg4?! hg3 27.Bf5 Nh4+-)) 25.Bc3 (better 25.Re1!? h4 26.Qf3 Nf4+-) 25...Nf4 26.Re1 (better 26.Qf3 Rd4 27.Re1 Qb6+-) 26...h4 27.Qf3 Qg5 28.Kh1 Re8 (28...Nh3 29.Ng3 hg3 30.Qg3+-) 29.Ne3 (better 29.Bh7 Kh7 30.Re8 Nh3+-) 29...Nh3 (29...Ne3 30.Qe3 Bh3+-) 30.Ng4 Bg4 Threatening mate... how? 31.Qg2 (31.Qf1 Nf4 32.Nf3 Qh5 33.Nh4 g5+-) 31...Qf4 (31...Bf5 32.Qf1 Qf6 33.Bf5 Re1 34.Qe1 (34.Bh3?! Rf1 35.Bf1 Qf5+-) 34...Qf5 35.d5+-) 32.Rf1 Re4 (32...Qg5 33.c5+-) 33.Rf4 (better 33.Ne4 f5 34.Nf6 gf6 35.Qa8 Kh7 36.Rf4 Nf4 37.Bd2+-) 33...Re1 (33...Rf4 34.Qc6 Nf2 35.Kg1 Nh3 36.Kg2 Rf2 37.Kh1 Re2+-) 34.Rf1 (34.Rf1 Rf1 35.Nf1+-) 1–0. BeepBeepImAJeep (2660) – WhyBeMad (2640), lichess.org, 2015.

6.c4 e5 7.Nf3 Bd6 8.cd5 cd5 9.d3 0-0 10.Be2 h6 11.Nbd2 Re8 12.0-0 b6 13.Rc1 Bb7 (13...a6 14.Rc6 Qe7 15.ba6 Ba6 16.Nh4=+) 14.Re1 (14.Nh4 Bb4=) 14...Qe7 15.Nh4 Qe6 16.Nhf3 Rac8 17.Rc8 Rc8 18.Ba1 Qf5 19.e4 de4 (19...Qe6 20.ed5 Nd5 21.d4=+) 20.de4= Ne4?? (better 20...Qe6 21.Bc4 Qe7=) 21.Ne4+- Be4 22.Qd6 Rc2 (22...Rc5 23.Nh4 Qe6 24.Qe6 fe6 25.Nf3+-) 23.Ne5 (23.Be5?! Bf3 24.Bd3 Qg5+=) 23...Ne5 24.Qe5 Qg6 (24...Qe5 25.Be5 Rc8 26.h3+-) 25.f3 (better 25.g3!? Rc5 26.Bh5 Re5 27.Bg6 Bg6 28.Re5 Bc2 29.Re8 Kh7+-) 25...Bf5 26.Bf1 Bd3 (26...Bh3 27.Re2 Re2 28.Qe2 Kh7+-) 27.Qg3 (better 27.Qb8 Kh7 28.Re8 Rg2 29.Bg2+-) 27…Qf5 1-0. brucepeng (1990) - Elmastero (2150), lichess.org, 2020.

6.c4 Be7 7.d4 0-0 8.Nc3 a6 9.Nf3 ab5 10.ab5 dc4?? (better 10...Ra1 11.Ba1 cb5 12.Nb5 Ne4=+) 11.Ra8+- cb5 12.Nb5 c3 (12...Nb6 13.Ra7+-) 13.Nc3 (13.Bc3 Ne4 14.Qb1 Nc3 15.Nc3 Qb6+-) 13...b5 (13...Nb6 14.Ra7+-) 14.Nb5 (14.Bb5 Qc7+-) 14...Qb6 15.Qa4 Bb7 16.Rf8 Bf8 17.Bd3 (17.Be2 Qd8+-) 17...Ne4 (17...Bf3 18.gf3 Qd8 19.Qc2+-) 18.0-0 Ndf6 (18...Nd6 19.Nd6 Qd6 20.Ng5+-) 19.Ne5 g6 (19...Nd2 20.Rc1 Ba6 21.Ba3 Ba3 22.Qa3+-) 20.Nc4 (20.Ra1 Bc6+-) 20...Qd8 (20...Qa6 21.Ra1 Qa4 22.Ra4+-) 21.Qc2 (21.f3 Nd6 22.Nbd6 Bd6+-) 21...Bd5 22.Ne5 Bg7 (22...Bb4 23.Ra1+-) 23.Nc3 (23.Ra1!? Ng5+-) 23...Nc3 24.Bc3 Nh5 (24...Nd7 25.Ba5! Qa5 26.Nd7+-) 25.Be4 (25.Rb1 Nf6+-) 25...Be5 (25...Nf6 26.Bd5 Nd5 27.Rc1+-) 26.Bd5 (26.de5 Be4 27.Qe4 h6+-) 26...Qd5 (26...Bh2 27.Kh2 ed5 28.Kg1+-) 27.de5 Ng7 (27...h6 28.Rd1 Qc4 29.Rd4+-) 28.Bd4 Nf5 (28...Qd8 29.Rd1 h6 30.Bb2+-) 29.Rd1 (better 29.Qc8 Kg7 30.Bc5 h6+-) 29...Nd4 30.ed4 g5 (30...Kg7 31.Qc5 Qb3 32.Rc1+-) 31.Qd3 (31.Qc7 h6+-) 31...h6 32.h3 Kg7 33.Qe3 Kg6 (33...f6 34.Rc1 f5 35.Rc7 Kg6 36.Qa3+-) 34.Re1 (34.g4 Qb7+-) 34...Kg7 (34...f5 35.ef6! Kf6 36.Qa3+-) 35.Qe4 1-0. ClayPigeons (2160) - sebi1996 (2125), Rated Bullet game, lichess.org, 2021.

6.bc6 bc6 7.Nc3 Bd6=+.

6.d4 a6 7.bc6 (7.Nd2 Bb4+=) 7...bc6+= 8.c4 (8.Nf3 Rb8 9.Ba3 Qa5 10.Nbd2 c5+=) 8...Ne4 (8...Rb8 9.Qc2+=) 9.c5 Qa5 (9...Rb8 10.Ra2+=) 10.Nd2 (10.Bc3 Nc3 11.Qd2 Be7+=) 10...Rb8 (better is 10...Nd2 11.Qd2 Qd2 12.Kd2 e5+=) 11.Qc2?? (better is 11.Rb1+=) 11...Qd2–+ 12.Qd2 Nd2 13.Ra2 (13.Bc3 Nf1 14.Kf1 Rb3–+) 13...Nf1 14.Kf1 a5 15.Ne2 Ba6 16.f3 (16.Bc1–+) 16…Bc4 (16...Bc4 17.Kf2 Ba2–+) 0–1. Roczniak,Jan – Kandora,J, corr Poland (year?).

6.d4 Bb4 7.c3 Ba5 8.Nf3=.

6.d4 Bb4 7.c3 Bd6 8.c4+=.

6.d4 Ne4 7.f3?? (better is 7.Bd3+=) 7...Qh4–+ 8.g3 Ng3! 9.Ne2 (9.hg3 Qg5 Double attack (9...Qh1 Pinning; 9...Qh1 Deflection; 9...Qg5 Decoy)) 9...Nh1 10.Kd2 Qh2 11.Nbc3 (11.bc6 Nb6 12.Kc1 Nc4 13.cb7 Bb7–+) 11...Bb4 (11...Nb6 12.Qe1 cb5 13.Nb5 Nc4 14.Kc1–+) 12.Ba3 (12.bc6 Nb6–+) 12...Ba3 13.Ra3 Nb6 14.Rb3 (14.Kc1 Nc4 15.Nb1 Qf2–+) 14...Nc4 15.Kc1 Ne3 (better is 15...Qf2 16.Bg2 Qg2 17.bc6 bc6 18.e4–+) 16.Qe1 Qf2 17.Qf2 Nf2 18.Nf4 (18.bc6 bc6 19.Ne4 Ne4 20.Re3–+) 18...Nf1 19.Rb1 h5 20.Kb2 Nd2 21.Rg1 h4 22.Rg2 h3 23.Rh2 g5 (better is 23...Nf3!? 24.Rf2 h2 25.Rf1–+) 24.Nfe2 Nf3 25.Rf2 h2 26.Ng3 h1Q (better is 26...Nd4 27.Nh1–+) 27.Nh1 Rh1 (better is 27...Nd4 28.Ng3–+) 28.Rf3 g4 29.Rg3 f5 30.Ne2 Kf7 0–1. Korepanova,Irina – Yuzhakov,Oleg (2325), Khanty Mansiysk Governor Cup, 2007.

6.d4 Be7 7.c4 cb5 (7...Ne4 8.Nc3=) 8.cb5 (8.ab5 dc4 9.Bc4 Nb6=) 8...0-0 (8...Ne4 9.Qc2+=) 9.Nf3= Re8 (9...Ne4 10.Bd3=) 10.Bd3 Nf8 (10...Bb4 11.Nbd2+=) 11.0-0+= a6 12.ba6 (12.Ba3 N8d7+=) 12...ba6 13.Nbd2 Bb4 (13...Rb8 14.Ba3+=) 14.Ne5 (14.Ba3 Ba3 15.Ra3 Qd6+=) 14...Bd2 (14...Qd6!?=) 15.Qd2+/- N6d7 (15...Ne4 16.Qe2+/-) 16.Nc6 White intends a5 (16.Rfc1 Ne5 17.de5 Qg5+/-) 16...Qb6 (16...Qg5!?+/-) 17.Rfc1+- Bb7 (better is 17...Nb8!? 18.Ne7! Re7 19.Rc8 Rea7+/-) 18.a5 Qc6 19.Rc6 Bc6 20.Qe2 (20.Ba3 Bb5+-) 20...Bb7 (20...Reb8+-) 21.e4 (21.Rc1 Nf6+-) 21...Rab8? (better is 21...de4!? 22.Be4 Be4 23.Qe4 Nf6+/-) 22.e5+- Bc6 (22...Ng6+-) 23.Ba6 Ng6 (23...Rb4 24.Qc2 Reb8 25.Ba3+-) 24.Bc1 f6 (24...Ra8 25.Bd3+-) 25.f4 (25.ef6 Nf6 26.Bd3 Nf8+-) 25...fe5 (25...Ra8 26.Bd3+-) 26.fe5 Rf8 (26...Ndf8 27.Bd3+-) 27.Bd3 (better is 27.Qc2 Nge5 28.de5 Ne5+-) 27...Nf4 (27...Rfc8 28.Bg6 hg6 29.Qg4+-) 28.Bf4 Rf4 29.Qh5 (29.Bh7!? Kh7 30.Qc2 Re4 31.Qc6 Nf8+-) 29...g6 (29...Nf8+-) 30.Bg6! Nf8 (30...hg6 31.Qg6) 31.Bc2 (better is 31.Bh7 Nh7 32.Qh6 Rd4 33.Qe6 Kg7 34.Qc6+-) 31...Rd4 (31...Rf7 32.Bd3+-) 32.Rf1 (better is 32.Qg5 Ng6 33.Bg6 hg6 34.Qg6 Kh8 35.Qh6 Kg8 36.Qe6 Kh7 37.Qc6+-) 32...Be8 33.Qg5 (33.Qf3 Bg6 34.a6 Bc2+-) 33...Bg6 34.h4 Kh8 (34...Rc4 35.Bd3 Rc3 36.Bg6 hg6 37.Qe7+-) 35.Qe7 (better is 35.Bg6 Ng6 36.h5+-) 35...h6 (35...Bf5 36.h5 h6+-) 36.Rf8 Rf8 37.Qf8 Kh7 38.Qe7 1–0. PawnPower (1645) – nitsche, internet, 2007.

6.Be2 e5+=.

6.Nf3 Qa5 7.Be2 Ne4 (7...Bd6 8.0-0=) 8.0-0+= Nef6 9.c4 Qc7 10.d4 Bd6 11.c5 Bh2? (better is 11...Be7+=) 12.Nh2+- Ne5?? (12...b6+-) 13.de5 cb5 (13...Nd7+-) 14.ef6 Qc5 (14...g5 15.Bb5 Bd7 16.Bd4+-) 15.Bd4 Qd6 16.fg7 Rg8 17.Ng4 Ke7 18.Nf6 (better is 18.Bf6 Ke8 19.Be5 Qe5 20.Ne5 a6+-) 18...Rg7 19.Nd5! Qd5 (19...Qd5 20.Nc3 Double attack (20.Bg7 Discovered attack; 20.Nc3 Decoy); 19...ed5 20.Bg7 Discovered attack) 20.Bg7 f6 21.Qc2 Qf5 22.Qc7 Ke8 23.Rd1 Qe5 (23...Qf2 24.Kf2 ba4 25.Rd8) 24.Rd8 1–0. DEFFM – Mlodydg, freechess.org, 2018.

6.Nf3 a6 7.d4 Bb4 (7...ab5 8.ab5 Ra1 9.Ba1 cb5 10.Bd3+= (10.Bb5? Qa5 11.Nc3 Ne4–+)) 8.Nbd2 (8.c3 Be7=) 8...Ne4 (8...0-0 9.Bd3=) 9.c3 (9.bc6 bc6 10.c3 Nc3 (worse is 10...Bc3 11.Bc3 Nc3 12.Qc2+=) 11.Bc3 Bc3+=) 9...Nc3 10.Qc2 (10.Bc3 Bc3 11.bc6 bc6+=) 10...Qa5 (10...Ne4 11.bc6 bc6 12.Bd3-/+) 11.bc6+= bc6 12.Bd3 Nf6?? (12...c5 13.Nb3 Na4 14.Kf1 Qb6 15.Ra4 c4 16.Bc4 dc4 17.Qc4 a5-/+) 13.0-0+- c5 (13...Rb8 14.Nb3 Qb6 15.Bc3 Bc3 16.Qc3 Qb3 17.Qc6 Bd7 18.Qa6+-) 14.Rfc1 (14.dc5 Qc5 15.Nb3 Qc7+/-) 14...c4+/- 15.Bc4! (15.Bc3?! Bc3 16.Nb3 Qb4 17.Qc3 Qc3 18.Rc3 cd3+=) 15...Nce4 (15...dc4 16.Bc3) 16.Bb5! Bd7 (16...Qb5 17.ab5) 17.Bd7 Nd7 18.Ne4 de4 19.Qe4 0-0 (19...Qd5!? 20.Qd5 ed5 21.Ba3 Ba3 22.Ra3+/-) 20.d5 Nf6 (20...e5 21.Be5 Rae8 22.Qd4+-) 21.Bf6 gf6 22.de6 Bc3 (22...fe6 23.Rab1 Rab8 24.Qe6 Kh8 25.Nd4 Qa4 26.Ra1+-) 23.Rab1 Be5 (23...Kh8+-) 24.e7 Rfe8 25.Qc6 (25.Qc6 Bh2 26.Kh2+-) 1–0. Bertel,Michael (1765) – Recio,Luis, TE.2004.P.01714, 2004.

6.Nf3 a6 7.Be2 Bd6+=.

6.Nf3 Bc5 7.c4 0-0 8.Nc3 Re8 9.Be2 h6 (9...dc4!? 10.bc6 bc6 11.Bc4 Rb8=) 10.d4+= Kf8?? (better is 10...Bb4+=) 11.dc5+- 1–0. DEFFM – GuestWJBS, freechess.org, 2018.

6.Nf3 Nc5 7.Be2= Bd7 8.d3 (8.0-0 Bd6=) 8...Be7 (8...cb5 9.ab5 Bb5 10.Nc3+=) 9.0-0 (9.Nc3 cb5 10.ab5 Qb6=) 9...0-0 (9...cb5 10.ab5 Bb5 11.Bd4+=) 10.h3 (10.c4 cb5 11.ab5 dc4 12.dc4 Qc8=) 10...Bd6 (10...cb5 11.ab5 Bb5 12.Nc3-/+) 11.c3 (better is 11.c4!?=) 11...cb5-/+ 12.ab5 Bb5 13.c4 dc4 (13...Ba6 14.Na3-/+) 14.dc4 Ba4 (better is 14...Bc6-/+) 15.Ra4+= Na4 16.Qa4 b6 17.Nbd2 a6 (17...Qe7 18.Rd1+/-) 18.Qa1 Bb4 19.Rd1 Qe7 20.Bf6 (20.Bd3 Rfd8 21.Bf6 gf6+/-) 20...Qf6 21.Qf6 gf6 22.Nd4 Rac8 23.Ne4 e5? (better is 23...Kg7+/-) 24.Nf5+- (worse is 24.Nf6 Kg7 25.Nd5 ed4 26.Nb4 a5+-) 24...Kh8 25.Rd7 (25.Nf6 Bc5+-) 25...a5 (25...Rc6 26.c5 Bc5 27.Ba6+-) 26.Ned6 Kg8 (26...Bd6 27.Nd6 Kg7 28.Nc8 Rc8+-) 27.Ne7 Kh8 (27...Kg7 28.Nec8 Bc5 29.Bh5+-) 28.Nec8 Bd6 29.Nd6 a4 (29...Kg7 30.Bh5+-) 30.Nf7 Kg8 (30...Kg7 31.Ne5 Kh6 32.Nf3+-) 31.Nh6 Kh8 32.Bd3 Ra8 33.Rh7 1–0. overtoom – steelbreeze, gameknot.com, 2013.

6.Nf3 Be7 7.c4 cb5 8.ab5 a6 (8...0-0 9.d4=) 9.d4 dc4 10.Bc4 Nb6 11.Be2 Bb4 12.Bc3 Nbd5 (12...Bd6!?=) 13.Bb4+/- Nb4 14.ba6 ba6?? (better is 14...Na6 15.0-0 0-0+=) 15.Qa4+- Bd7 16.Qb4 Rb8 17.Qa3 Bb5 18.Ne5 Qd5 (18...Qc7+-) 19.Nc3 Qb7 20.Rb1 Qg2 (20...Nd7 21.Nb5 ab5 22.Bb5 Qb5 23.Rb5 Rb5+-) 21.Bf3 Qh3 (21...Qf3 22.Nf3 Rc8+-) 22.Bc6 Kd8 23.Nf7 Kc7 24.Qe7 Kb6 (24...Nd7 25.Qd6 Kb6 26.Bb5 Kb7 27.Qa6 Kc7 28.Qc6) 25.Na4 Kc6 26.Ne5 Kd5 27.Nc3 1–0. pcmvr (2840) – eddieteijeiro (2225), net–chess.com, 2009.

6.Nf3 Be7 7.Be2 0-0 8.0-0 a6 9.c4 Nb6 10.Na3 Ba3 (10...ab5!? 11.ab5 cb5 12.cb5 Ne4=) 11.Ba3+= Re8 12.c5 Nc4 13.Bc4 dc4 14.bc6 bc6 15.Bb2 Nd5 (better is 15...Ne4!?=) 16.Ne5 Bd7 (16...Qe7 17.Rc1+/-) 17.Qc2 (17.Nc4 Qg5+-) 17...Nb4 (17...Qe7 18.Qc4 Reb8 19.Rfb1+/-) 18.Qc3 Nd5 19.Qc4 Rb8 (19...f6 20.Nd3+-) 20.Bd4 (20.Rfb1 a5+-) 20...Rb4? (better is 20...f6 21.Nd7 Qd7 22.Qa6 e5+-) 21.Qa6+- 1–0. GuestMTMC – GuestFJBP, freechess.org, 2017.

6.f4 Bc5 7.Nf3=.

7.Ba3 Ba3 8.Ra3 A) 8...0-0 9.d4 e5 10.Nf3 Re8 11.cd5 Nd5 12.Nc3 Qa5 13.Qd2 (13.bc6 bc6) 13...Nb4; B) 8...Qa5 9.Nf3 e5 10.Be2 (10.Qc2 0-0 11.cd5 cd5 12.Qc3 Qc3 13.Nc3 e4) 10...c5 11.cd5 e4 12.Nh4 Nb6 13.Qc2 Nbd5; C) 8...e5 9.d4 c5 10.cd5 Nd5 (10...cd4 11.d6 Nb6 12.ed4 Qd6 13.de5 Qb4) 11.de5 Ne5 12.Nf3 Nf3 (12...Bg4 13.Be2 Qa5) 13.Qf3 Qa5.

7.Na3 A) 7...0-0 A1) 8.bc6 bc6 9.Rb1 (9.Nf3 Rb8 10.Be2 Bd6 11.Qc2 Qb6 12.Bf6 Nf6 13.0-0 Qb3) 9...Bd6 10.Nf3 (10.cd5 ed5 11.Nf3 Rb8 12.Nc2 Nc5 13.Bf6 Qf6) 10...Rb8 11.cd5 (11.Nc2 e5 12.d4 Qa5 13.Nd2 Re8) 11...ed5 12.Nc2 Nc5 13.Bf6 (13.Bd4 Rb1) 13...Qf6; A2) 8.Nf3 Bd6 (8...cb5 9.ab5 a6 10.Be2 ab5 11.Nb5 Ra1 12.Qa1 dc4 13.Bc4 b6; 8...a6 9.bc6 bc6 10.Be2 Rb8 11.0-0 Bd6 12.Qc2 e5 13.c5 Bc7; 8...Ne4 9.Be2 e5 10.0-0 Re8 11.bc6 bc6 12.Qc2 Nd6 13.d4 e4; 8...dc4 9.bc6 bc6 10.Nc4 c5 11.Be2 Bb7 12.0-0 Nb6 13.Nce5 Ne4) 9.bc6 (9.Be2 e5 10.cd5 cd5 11.0-0 Qa5 12.Nc2 Rd8 13.Bc3 Qc7) 9...bc6 10.cd5 ed5 11.Qc2 c5 (11...Nc5 12.Ng5 Re8 13.Bf6 Qf6) 12.Be2 a6 13.0-0 Rb8; B) 7...Ne4 8.Nf3 0-0 9.bc6 bc6 10.Be2 Qa5 11.Nc2 Bd6 12.cd5 cd5 13.Ncd4 Re8; C) 7...Nb6 C1) 8.cd5 ed5 (8...cd5 9.Nf3 0-0 10.Be2 Bd7 11.0-0 Ne4 12.Nb1 Ng5 13.Ne5 f6; 8...Nbd5 9.bc6 bc6 10.Rc1 Bb7 11.Nc2 Bd2 12.Qd2 Ne4 13.Qd4 Qa5) 9.Nc2 Bd6 10.bc6 bc6 11.Nd4 c5 12.Bb5 Bd7 13.Nf5 Bf8; C2) 8.bc6 bc6 9.Nf3 Ba6 10.Qc2 Rc8 11.Rb1 Qe7 12.Qb3 c5 13.Nb5 0-0; D) 7...e5 D1) 8.bc6 bc6 9.Nf3 (9.cd5 cd5 10.Nf3 Qe7 11.Nc2 Bd6 12.d4 e4 13.Nd2 a6) 9...e4 10.Nd4 Ne5 11.cd5 Qd5 12.Qc2 Rb8 (12...0-0) 13.Rb1 c5+= (13...0-0); D2) 8.cd5 cd5 9.Nf3 Bd6 (9...Qe7 10.Be2 0-0 11.0-0 a6 12.Nc2 Bd6 13.a5 e4) 10.Be2 Qe7 11.a5 0-0 12.0-0 Re8 13.d4 (13.d3 a6) 13...e4; D3) 8.Nc2 Bd6 9.cd5 cd5 10.Nf3 (10.Ba3 Nc5 11.d4 ed4 12.Nd4 Nfe4 13.Ngf3 Nc3) 10...0-0 (10...e4 11.Nfd4 Ne5 12.Be2 a6 13.0-0 Nc4) 11.Be2 e4 12.Nfd4 Ne5 13.f4 (13.0-0 Nfg4) 13...Nd3; D4) 8.Nf3 e4 9.bc6 (9.Nd4 cb5 10.cb5 Nc5 11.Be2 0-0 12.Nac2 Ba5 13.0-0 Qd6) 9...bc6 10.Nd4 Ne5 11.cd5 Qd5 12.Qc2 Rb8 13.Rb1 0-0+= (13...c5).

7.Qb3 A) 7...c5 A1) 8.Nf3 0-0 9.cd5 ed5 10.Nc3 Nb6 11.a5 Nc4 12.Bc4 dc4 13.Qc4 Be6; A2) 8.Nc3 Nb6 (8...dc4 9.Bc4 Ne5 10.Nf3 Nf3 11.gf3 0-0 12.Rg1 b6 13.Ne4 Ne8; 8...0-0 9.cd5 Nb6 10.Ba3 Nbd5 11.Nd5 Nd5 12.Bb4 Nb4 13.Nf3 b6) 9.cd5 ed5 10.d4 Be6 11.Nf3 Ba5 12.Be2 c4 13.Qc2 Qc8; A3) 8.cd5 ed5 9.Nc3 Qa5 10.Nf3 c4 11.Qc2 0-0 12.Be2 Re8 13.0-0 Nc5; B) 7...Qe7 B1) 8.cd5 ed5 (8...Nc5 9.Qc2 ed5 10.Ba3 Ba3 11.Ra3 0-0 12.bc6 bc6 13.d4 Ne6; 8...cd5 9.Ba3 Bd6 10.Bd6 Qd6 11.d4 0-0 12.Nf3 e5 13.Nc3 e4) 9.Nf3 c5 10.Bc3 Bc3 11.Nc3 d4 12.Ne2 de3 13.Qe3 Nd5; B2) 8.Nc3 Nc5 (8...0-0 9.Nf3 Rd8 10.Rb1 Nc5 11.Qc2 cb5 12.ab5 Nfe4 13.Be2 a6) 9.Qc2 e5 10.cd5 cd5 11.Nf3 e4 12.Nd4 Bg4 13.f3 ef3; B3) 8.Be2 e5 (8...Nc5 9.Qc2 e5 10.bc6 bc6 11.Nf3 e4 12.Ne5 Qd6 13.cd5 cd5) 9.Nf3 e4 10.Nd4 dc4 11.Bc4 Ne5 12.Na3 0-0 13.bc6 bc6; B4) 8.Nf3 0-0 (8...e5 9.bc6 bc6 10.cd5 Nd5 11.Qc2 Bc5 12.d4 Nb4 13.Qd2 ed4; 8...Nc5 9.Qc2 0-0 10.Ne5 cb5 11.ab5 Nfe4 12.Be2 Rd8 13.Bd4 dc4) 9.Nc3 Rd8 10.bc6 bc6 11.cd5 Nc5 12.d6 Qd6 13.Qc2 Ba6; C) 7...Bd6 C1) 8.Nf3 Nc5 (8...e5 9.d4 e4 10.Nfd2 Nf8 11.Nc3 Be6 12.Ba3 Ba3 13.Ra3 Rb8; 8...cb5 9.ab5 Nc5 10.Qc2 0-0 11.d4 Ncd7 12.c5 Bb8 13.Bd3 Re8; 8...a6 9.d4 c5 10.Bd3 cd4 11.Bd4 e5 12.c5 ed4 13.cd6 de3; 8...0-0 9.d4 c5 10.Ba3 Qa5 11.Qc3 Qc7 12.Nbd2 Re8 13.Rc1 b6) 9.Qc2 0-0 10.d4 Nce4 11.c5 Bc7 12.Bd3 Qe8 13.0-0 Bd7; C2) 8.d4 c5 (8...0-0 9.Nf3 c5 10.Ba3 Qa5 11.Qc3 Qc7 12.Bd3 dc4 13.Bc4 Nd5; 8...e5 9.Nd2 0-0 10.cd5 cd5 11.de5 Ne5 12.Ngf3 Nf3 13.Nf3 Ne4) 9.Nf3 0-0 10.Ba3 Qa5 11.Qc3 Qc7 12.Nbd2 Rd8 13.Bd3 cd4.

7.Qc2 A) 7...0-0 8.Nf3 (8.cd5 cd5 9.Nf3 Qe7 10.Be2 e5 11.0-0 a6 12.Rc1 ab5 13.ab5 Ra1; 8.bc6 bc6 9.Nf3 Ba6 10.Na3 Rb8 11.Be2 Qa5 12.0-0 Ne4 13.Rfd1 Rfd8) 8...cb5 (8...c5 9.Be2 Re8 10.0-0 e5 11.d3 d4 12.Ba3 Ba3 13.Ra3 a6; 8...Bd6 9.d4 c5 10.Ba3 Qe7 11.Bd3 cd4 12.Nd4 Ba3 13.Ra3 dc4; 8...a6 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Qe7 12.0-0 e5 13.d4 e4; 8...Re8 9.Be2 e5 10.cd5 cd5 11.0-0 a6 12.Rc1 ab5 13.ab5 Ra1; 8...Qe7 9.bc6 bc6 10.Nd4 Qd6 11.cd5 cd5 12.Ba3 a5 13.Bb4 ab4) 9.ab5 a6 10.Nc3 Nb6 11.cd5 Nbd5 12.Bd3 h6 13.0-0 Bd6; B) 7...Bd6 B1) 8.Nf3 0-0 (8...c5 9.Be2 0-0 10.0-0 dc4 11.Na3 Nb6 12.a5 Nbd5 13.Nc4 Be7) 9.d4 c5 10.cd5 ed5 11.Be2 c4 12.0-0 Re8 13.Nc3 a6; B2) 8.d4 c5 (8...e5 9.bc6 bc6 10.Nf3 e4 11.Ne5 Qc7 12.cd5 cd5 13.Qc7 Bc7; 8...0-0 9.c5 Bb8 10.Nf3 Qe7 11.Bd3 e5 12.de5 Ne5 13.Be5 Be5; 8...cb5 9.ab5 dc4 10.Bc4 Nb6 11.Be2 Nfd5 12.Nf3 Bb4 13.Nbd2 a5; 8...Qc7 9.Nf3 cb5 10.ab5 dc4 11.Qc4 Qc4 12.Bc4 Nb6 13.Bd3 a6) 9.Nf3 0-0 10.cd5 ed5 11.Be2 c4 12.0-0 Qa5 13.Ba3 Ba3; C) 7...Qe7 C1) 8.Nf3 0-0 9.bc6 bc6 10.Nd4 Qd6 11.cd5 cd5 12.Ba3 a5 13.Qc6 Qb8; C2) 8.Be2 e5 9.Nf3 0-0 10.cd5 cd5 11.0-0 a6 12.Nc3 Rd8 13.Rfc1 ab5; C3) 8.Nc3 e5 (8...0-0 9.cd5 cd5 10.Nf3 e5 11.Rc1 e4 12.Nd4 Bc5 13.Nce2 a6) 9.cd5 cd5 10.Rc1 0-0 11.Nf3 Nb6 12.Be2 Bg4 13.0-0 Rac8; C4) 8.cd5 cd5 9.Nc3 e5 10.Nf3 0-0 11.Rc1 e4 12.Nd4 Bc5 13.Nce2 Ba3; C5) 8.Bc3 e5 (8...Bd6 9.d4 e5 10.bc6 bc6 11.cd5 cd5 12.de5 Ne5 13.Nd2 0-0; 8...0-0 9.d4 e5 10.Nf3 Re8 11.de5 Bc3 12.Qc3 Ne4 13.Qd4 Qb4; 8...Bc3 9.Nc3 e5 10.cd5 cd5 11.Nf3 0-0 12.Rc1 a6 13.d4 e4) 9.Bb4 Qb4 10.Nf3 0-0 11.bc6 bc6 12.cd5 cd5 13.Nc3 a6; C6) 8.bc6 bc6 9.Nf3 0-0 10.Nd4 Qd6 11.cd5 cd5 12.Ba3 a5 13.Qc6 Qb8; D) 7...e5 8.bc6 bc6 9.cd5 cd5 10.Qc6 Rb8 11.Be5 Rb6 12.Qa8 Ne5 13.Bb5 Bd7.

7.Bc3 Bd6 A) 8.bc6 bc6 9.d4 Rb8 (9...Ba6 10.Nd2 0-0 11.Ngf3 c5 12.Rc1 Rc8 13.Be2 cd4) 10.Nf3 (10.c5 Bc7 11.Nf3 Ne4 12.Qc2 e5 13.Be2 Nc3) 10...Ba6 (10...0-0 11.c5 Bc7 12.Bd3 Qe7 13.0-0 e5) 11.Nbd2 c5 12.dc5 Nc5 13.Rc1 0-0; B) 8.d4 c5 (8...cb5 9.c5 b4 10.Bb4 Be7 11.Nd2 0-0 12.Rb1 a5 13.Bc3 b6; 8...dc4 9.bc6 bc6 10.Nd2 Nb6 11.Nc4 Nc4 12.Bc4 Nd5 13.Ne2 Rb8; 8...0-0 9.c5 Be7 10.Nf3 e5 11.Be2 ed4 12.ed4 Ne4 13.0-0 Re8; 8...e5 9.de5 Ne5 10.c5 Bc7 11.Nd2 0-0 12.Be2 Bf5 13.Ngf3 Nf3) 9.Nf3 0-0 10.cd5 (10.Be2 cd4 11.Qd4 e5 12.Qh4 dc4 13.Nbd2 Qe7) 10...Nd5 11.Bc4 Nc3 12.Nc3 Qa5 13.Qc2 cd4; C) 8.Nf3 C1) 8...0-0 9.d4 c5 10.cd5 Nd5 11.Bc4 Nc3 12.Nc3 Qa5 13.Rc1 (13.Qc2 cd4) 13...Rd8; C2) 8...c5 9.cd5 (9.Be2 0-0 10.d4 cd4 11.Qd4 e5 12.Qh4 e4 13.Nfd2 Be7) 9...ed5 10.Be2 0-0 11.a5 (11.0-0 a6 12.a5 ab5 13.Bb5 Ne4) 11...Re8 12.0-0 Qe7 13.Qc2 d4; C3) 8...e5 9.c5 Bc5 10.bc6 bc6 11.Ne5 Ne5 12.Be5 Qe7 (12...0-0 13.Qc2 Ne4) 13.Bf4 Bg4; C4) 8...cb5 9.ab5 e5 10.d4 e4 11.Nfd2 dc4 12.Nc4 Bc7 13.Nbd2 Qe7; C5) 8...dc4 9.bc6 bc6 10.Na3 Ba3 (10...0-0) 11.Ra3 Ba6 12.Be2 Nc5 (12...0-0) 13.Qc1 (13.Ne5 Nd3) 13...0-0= (13...Nd3).

7.Bc3 Be7 A) 8.d4 0-0 (8...cb5 9.ab5 0-0 10.c5 Ne4 11.Nf3 Re8 12.b6 a6 13.Bb5 Rb8; 8...Qc7 9.Nd2 dc4 10.Bc4 Nb6 11.Ba5 0-0 12.Ngf3 Bd7 13.0-0 Rac8; 8...Ne4 9.Nf3 0-0 10.Bd3 Nc3 11.Nc3 dc4 12.Bc4 Nb6 13.Qb3 cb5; 8...a6 9.bc6 bc6 10.Nf3 c5 11.dc5 Bb7 12.c6 Bc6 13.cd5 Bd5; 8...dc4 9.bc6 bc6 10.Bc4 c5 11.Nf3 Bb7 12.0-0 0-0 13.Qe2 Rc8) 9.Nf3 c5 10.cd5 Nd5 11.Qc2 cd4 12.Bd4 N7f6 13.Nbd2 a6; B) 8.cd5 ed5 (8...cd5 9.Nf3 0-0 10.Be2 Bd6 11.0-0 e5 12.Nh4 Nb8 13.Nf3 Qc7) 9.Nf3 0-0 10.Be2 Re8 11.0-0 Ne4 12.Qc2 c5 13.Bb2 Bf6; C) 8.Nf3 0-0 (8...c5 9.Be2 0-0 10.0-0 Bd6 11.d4 a6 12.Bd3 cd4 13.Bd4 e5) 9.d4 Rb8 10.Be2 Qc7 11.Nbd2 a6 12.Rc1 dc4 13.Nc4 ab5.

7.bc6 bc6 A) 8.Be2 A1) 8...0-0 9.cd5 (9.Nf3 Ba6 10.Na3 c5 11.0-0 Ba3 12.Ra3 Bc4 13.Bc4 dc4) 9...ed5 10.Nf3 Rb8 11.Nc3 Re8 12.0-0 c5 13.Rb1 Re6; A2) 8...e5 9.Nf3 Bd6 10.Ba3 (10.Qc2 Rb8 11.c5 Bc7 12.d4 e4 13.Nfd2 Ng8) 10...Ba3 11.Na3 e4 12.Nd4 c5 13.Nb3 Qe7; A3) 8...Rb8 9.cd5 ed5 10.Nf3 (10.Qc2 Qb6 11.Nc3 c5 12.Nf3 Ba6 13.Nb5 0-0) 10...Bd6 11.Qc2 Qb6 12.Bc3 0-0 (12...a5 13.0-0 0-0) 13.a5 Qc7; A4) 8...Ba6 9.cd5 Be2 10.Ne2 cd5 11.0-0 0-0 12.Nbc3 Qa5 (12...Qe7 13.Rc1 Rfc8) 13.Ba3 Rab8; A5) 8...Bd6 9.cd5 (9.Nc3 Rb8 10.Rb1 dc4 11.Bc4 Rb4 12.Be2 0-0 13.Qc2 e5) 9...cd5 10.Ba3 (10.Nc3 e5 11.Nb5 Bb4 12.Bc3 Bc3 13.Nd6 Ke7) 10...Bc7 (10...Ba3 11.Na3 Ne4 12.Nf3 0-0 13.0-0 Ndc5) 11.Nf3 (11.Nc3 Ne4 12.Rc1 Nc3 13.Rc3 Rb8) 11...e5 (11...Ne4 12.0-0 Rb8 13.Qc2 Rb7) 12.d4 (12.Nc3 a6 13.Rc1 Rb8) 12...e4 (12...Ba5 13.Nbd2 ed4) 13.Nfd2 Ba5; A6) 8...dc4 9.Na3 (9.Bc4 0-0 10.Nf3 c5 11.0-0 Bb7 12.d3 Nb6 13.Nfd2 Nc4) 9...Ba3 (9...Rb8 10.Nc4 Ba6 11.Rb1 0-0 12.Nf3 Bc4 13.Bc4 Ne4) 10.Ra3 Rb8 11.Bc3 Ba6 12.Nf3 Qe7 (12...0-0 13.0-0 Qe7) 13.Qa1 Nc5; B) 8.cd5 B1) 8...ed5 9.Nf3 0-0 10.Be2 Rb8 11.Nc3 Re8 12.0-0 c5 13.Qc2 (13.Rb1 Re6) 13...Qe7; B2) 8...cd5 9.Nf3 0-0 10.Be2 Re8 (10...Qe7) 11.0-0 e5 12.d4 e4 13.Ne5 Re6+= (13...Bd6); C) 8.Nf3 C1) 8...Ba6 9.cd5 Bf1 10.de6 Bg2 11.Rg1 (11.ed7 Qd7 12.Rg1 Qh3 13.Nh4 Bd5) 11...fe6 12.Rg2 0-0 13.Qc2 Nc5; C2) 8...0-0 9.cd5 cd5 10.Be2 (10.Bd4 Bd6 11.Bb5 a6 12.Bc6 Rb8 13.Nc3 e5) 10...Rb8 (10...Qe7 11.0-0 e5 12.Nc3 Rb8 13.Rb1 a6) 11.0-0 (11.Bd4 Qc7 12.Bc3 Bd6 13.Nd4 a6) 11...Re8 12.Ne5 (12.Ba3 e5 13.Bb4 Rb4) 12...Qc7 13.Nd7 (13.f4 Bd6) 13...Bd7; C3) 8...Rb8 9.Ne5 (9.cd5 cd5 10.Be2 0-0 11.0-0 Qe7 12.Ne5 Qd6 13.Nd7 Nd7) 9...Qc7 10.Nd7 Bd7 11.Bf6 gf6 12.Nc3 Bc3 (12...Qa5) 13.dc3 f5= (13...Rg8).

7.cd5 ed5 A) 8.Nf3 A1) 8...c5 9.Be2 0-0 10.0-0 a6 11.Bc3 (11.Nc3 Qe7 12.Qc2 Re8 13.Rfb1 b6) 11...Qa5 (11...Ba5 12.Na3 Ne4 13.Qc2 Nc3) 12.Bb4 (12.Qc2 Bc3 13.Nc3 b6) 12...Qb4 13.Nc3 b6; A2) 8...a6 9.Be2 ab5 (9...0-0 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 c5 13.0-0 Re8) 10.ab5 Ra1 11.Ba1 0-0 12.Qc2 c5 13.0-0 Re8; A3) 8...Qe7 9.Be2 (9.Nd4 Nb8 10.Be2 0-0 11.0-0 a5 12.Bd3 c5 13.Nf5 Bf5) 9...0-0 10.0-0 a6 11.Qc2 c5 12.Bc3 a5 13.Rc1 (13.d3 Re8) 13...Re8; A4) 8...Bd6 9.Be2 0-0 10.0-0 Re8 11.Qc2 c5 12.Rc1 b6 (12...a6 13.Nc3 Qa5) 13.d4 c4; A5) 8...Qa5 9.Ne5 Ne5 10.Be5 Bf5 11.Bf6 gf6 12.Qc1 0-0 13.Qb2 Kg7; A6) 8...0-0 9.Be2 Re8 10.0-0 a6 (10...c5 11.Nc3 Qe7 12.Qc2 b6 13.Rfc1 a6) 11.Nc3 Qe7 (11...ab5 12.ab5 Ra1 13.Qa1 Qe7) 12.bc6 bc6 13.d4 Rb8; B) 8.Be2 B1) 8...c5 9.Nf3 0-0 10.0-0 a6 (10...Re8 11.Qc2 b6 12.Bc3 a5 13.ba6 Ba6) 11.Bc3 Qa5 (11...a5 12.Qc2 Re8 13.d3 Qe7) 12.Qc2 (12.Bb4 Qb4 13.Nc3 b6) 12...Re8 (12...b6 13.Bf6 Nf6) 13.Bb4 Qb4; B2) 8...Qe7 9.Nf3 0-0 10.0-0 a6 (10...Re8 11.Qc2 c5 12.a5 a6 13.b6 Nb8) 11.Qc2 (11.bc6 bc6 12.d4 Rb8 13.Qc2 c5) 11...c5 12.Bc3 a5 13.Bb2 Re8; B3) 8...Nb6 9.Nf3 0-0 10.0-0 Bg4 (10...Be6 11.a5 Nc4 12.Qa4 Be7 13.Bc4 dc4) 11.a5 (11.d3 Nbd7 12.bc6 bc6 13.Nd4 Be2) 11...Nc4 12.Bc4 dc4 13.bc6 (13.a6 cb5) 13...bc6; B4) 8...Bd6 9.Nf3 0-0 10.0-0 Re8 11.Qc2 c5 12.Rc1 (12.Nc3 Ne5 13.Ne5 Be5) 12...Qa5 (12...a6 13.d4 c4) 13.d4 c4; B5) 8...Qb6 9.Bc3 (9.Nf3 c5 10.Bc3 Ba5 11.0-0 0-0 12.d4 c4 13.Qd2 Ne4) 9...Ba5 (9...Bc3 10.Nc3 c5 11.a5 Qe6 12.d4 c4 13.Nh3 Qd6) 10.Nf3 c5 11.0-0 (11.Ba5 Qa5 12.0-0 0-0 13.Qc2 Re8) 11...0-0 12.d4 c4 13.Qe1 (13.Qd2 Ne4) 13...Bc3; B6) 8...a6 9.Nf3 0-0 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Re8 13.0-0 c5; B7) 8...0-0 9.Nf3 c5 (9...Re8 10.0-0 c5 11.Bc3 Qa5 12.Qc2 Bc3 13.Nc3 a6) 10.0-0 a6 (10...Re8 11.Bc3 Bc3 12.Nc3 a6 13.d4 c4) 11.Bc3 (11.Nc3 ab5 12.Bb5 Qe7 13.Qc2 Rd8) 11...Qa5 (11...a5 12.Qc2 Re8 13.d3 Qe7) 12.Bb4 Qb4 13.Nc3 b6.

7.Nf3 Qa5 A) 8.Bb4 Qb4 9.bc6 bc6 10.cd5 ed5 (10...Nd5 11.Qc2 Rb8 12.Na3 N7b6 13.Nc4 Nc4) 11.Nc3 0-0 (11...d4 12.ed4 Qd4 13.Nf3 Qc5) 12.Rb1 Qa5 13.Nf3 Rb8; B) 8.Nf3 B1) 8...e5 9.Bb4 Qb4 10.bc6 bc6 11.cd5 cd5 12.Nc3 a6 (12...0-0 13.Rb1 Qc5) 13.Rb1 Qa5; B2) 8...0-0 9.Bb4 Qb4 10.Nc3 (10.bc6 bc6 11.cd5 ed5 12.Nc3 Qa5 13.Be2 Ba6) 10...dc4 11.Rb1 Qc5 12.Qe2 cb5 13.Rb5 Qe7; C) 8.bc6 bc6 9.Bb4 Qb4 10.cd5 Nd5 11.Nf3 (11.Qc1 Rb8 12.Nc3 Nc3 13.dc3 Qa5) 11...Rb8 12.Na3 0-0 13.Qc2 Bb7= (13...c5).

7.Nf3 Ba5 A) 8.bc6 bc6 9.cd5 (9.Nf3 Ba6 10.cd5 Bf1 11.de6 Bg2 12.Rg1 Bf3 13.ed7 Qd7) 9...ed5 (9...cd5 10.Nc3 Rb8 11.Nb5 Ne4 12.Nf3 a6 13.Nd6 Nd6) 10.Nf3 (10.Qc2 c5 11.Bb5 Ne4 12.Nh3 a6 13.Bc6 Qf6) 10...Rb8 11.Qc2 c5 12.Bb5 a6 13.Bc6 Bb4; B) 8.cd5 B1) 8...Nd5 9.bc6 bc6 10.Nf3 Qf6 11.Ra2 e5 12.Qc2 Rb8 13.Nc3 (13.Rb2 Nb4) 13...Nc3; B2) 8...ed5 9.bc6 (9.Nf3 c5 10.Be2 0-0 11.0-0 Re8 12.Qc2 b6 13.d4 Ne4) 9...bc6 10.Qc2 c5 (10...Qc7 11.Nc3 c5 12.Nb5 Qb6 13.Rb1 Rb8) 11.Bb5 Ne4 12.Nh3 0-0 (12...Rb8 13.Nf4 a6) 13.0-0 Qf6; B3) 8...cd5 9.Nc3 Ne4 (9...Bc3 10.dc3 Qc7 11.Rc1 Ne5 12.Qd4 Ng6 13.Qb4 e5) 10.Rc1 Nc3 11.dc3 Nf6 12.Nf3 a6 13.ba6 ba6; C) 8.Nc3 dc4 (8...c5 9.cd5 ed5 10.Nf3 Ne4 11.Qc2 Bc3 12.dc3 Qa5 13.Nd2 Qc3) 9.bc6 Nb6 10.Nf3 bc6 11.Qc2 Bd7 12.Ne5 Bc3 13.dc3 Qc7; D) 8.Nf3 D1) 8...c5 9.cd5 Nd5 10.Qc2 (10.Bb2 0-0 11.Be2 Re8 12.Nc3 Nc3 13.dc3 e5) 10...Nb4 (10...b6 11.Bd3 Bb7 12.0-0 Rc8 13.Be2 0-0) 11.Bb4 Bb4 12.Bd3 Nf6 (12...a6 13.0-0 ab5) 13.0-0 (13.Nc3 Qe7) 13...0-0; D2) 8...Ne4 9.bc6 (9.Qc2 Qf6 10.Bb2 Qg6 11.Nc3 Bc3 12.Bc3 dc4 13.bc6 bc6) 9...bc6 10.Be2 (10.cd5 cd5 11.Ra2 Rb8 12.Be2 Nb6 13.Bb5 Bd7) 10...Qf6 11.Ra2 Ba6 12.Rc2 (12.0-0 Bc4 13.Bc4 dc4) 12...Rb8 (12...Nb6 13.cd5 Be2) 13.0-0 c5; D3) 8...e5 9.Nc3 Ne4 10.Rc1 Nc3 11.dc3 e4 12.Nd4 Ne5 13.Qc2 Bc7= (13...Qg5).

7.Nf3 Qe7 A) 8.bc6 bc6 9.Bb4 Qb4 10.cd5 Nd5 11.Qc1 (11.Qc2 Rb8 12.Na3 Qc5 13.Nc4 Ba6) 11...Rb8 12.Nc3 (12.Nf3 0-0 13.Qc2 e5) 12...Nc3 13.dc3 Qa5; B) 8.Bb4 Qb4 9.bc6 bc6 10.cd5 Nd5 11.Qc1 Rb8 12.Nc3 (12.Nf3 0-0 13.Nc3 Qa5) 12...Nc3 13.dc3 Qa5.

8.Ba3 Qa5 (8...Qe7 9.Bb4 Qb4 10.bc6 bc6 11.cd5 ed5 12.Nc3 Qa5 13.Rb1 Rb8; 8...Ba3 9.Ra3 e5 10.d4 Re8 11.cd5 Nd5 12.Bc4 e4 13.Nfd2 Qg5) 9.Bb4 Qb4 10.Nc3 dc4 11.Rb1 Qc5 12.Qe2 cb5 13.Rb5 Qe7.

8.Na3 Bd6 (8...c5 9.Be2 Re8 10.cd5 e5 11.Nc4 e4 12.Ng5 Nd5 13.Nd6 Qg5; 8...cb5 9.ab5 dc4 10.Nc4 Nd5 11.Be2 N7f6 12.0-0 a6 13.Nfe5 Bd7; 8...Ne4 9.Be2 e5 10.0-0 Re8 11.bc6 bc6 12.Nc2 Ba5 13.cd5 cd5; 8...dc4 9.bc6 bc6 10.Nc4 c5 11.Be2 Bb7 12.0-0 Nb6 13.Nce5 Ne4; 8...Qa5 9.Be2 Ne4 10.Nc2 Bd6 11.cd5 cd5 12.0-0 Nb6 13.Ncd4 Nc4) 9.bc6 (9.Be2 e5 10.cd5 cd5 11.0-0 a6 12.Qc2 e4 13.Nd4 Nc5) 9...bc6 10.cd5 ed5 11.Qc2 c5 12.Be2 a6 13.0-0 Rb8.

8.Qc2 A) 8...cb5 9.ab5 a6 10.Nc3 (10.cd5 Nd5 11.Bd3 f5 12.0-0 Bd6 13.Rc1 N7b6) 10...Nb6 11.cd5 Nbd5 12.Bd3 h6 13.0-0 Bd6; B) 8...Bd6 9.d4 c5 10.cd5 (10.Ba3 Qa5 11.Nbd2 b6 12.Bb2 Ne4 13.Bd3 Ndf6) 10...ed5 11.Be2 c4 12.0-0 a6 13.Nc3 Re8; C) 8...a6 9.bc6 (9.cd5 cd5 10.Bd4 b6 11.Be2 Re8 12.0-0 e5 13.Bc3 Bd6) 9...bc6 10.Be2 Rb8 11.0-0 Re8 12.d4 Qe7 13.Nc3 (13.Rc1 c5) 13...c5; D) 8...Re8 9.Be2 cb5 (9...e5 10.cd5 cd5 11.0-0 a6 12.Rc1 ab5 13.ab5 Ra1) 10.ab5 e5 (10...dc4 11.0-0 Nb6 12.Rc1 Bd7 13.Bc4 Nc4) 11.Qb3 (11.0-0 e4 12.Nd4 dc4 13.Qc4 Bd6) 11...Qe7 12.cd5 (12.0-0 e4 13.Nd4 dc4) 12...Qd6 13.0-0 Nd5; E) 8...Qe7 9.bc6 (9.Be2 e5 10.cd5 cd5 11.Nc3 e4 12.Nd4 Bc5 13.Nd1 Ne5) 9...bc6 10.Nd4 Qc5 11.cd5 cd5 12.Ba3 (12.f4 Rb8 13.Nc3 Bb7) 12...Ba3 13.Na3 a6; F) 8...c5 9.Be2 (9.Bd3 dc4 10.Bc4 b6 11.0-0 Bb7 12.Ne1 a6 13.Nd3 ab5) 9...Re8 (9...dc4 10.0-0 b6 11.Na3 Ba3 12.Ra3 a6 13.Bc4 Bb7) 10.cd5 (10.0-0 dc4 11.Bc4 b6 12.d3 a6 13.Nc3 Bb7) 10...ed5 11.0-0 b6 12.Nc3 Qe7 13.Ng5 (13.Rfc1 a6) 13...Qd6= (13...Bb7).

8.Bc3 A) 8...Be7 9.d4 Ne4 (9...c5 10.cd5 Nd5 11.Qc2 Nc3 12.Nc3 cd4 13.Nd4 Nf6) 10.Bd3 Nc3 11.Nc3 dc4 12.Bc4 Nb6 13.Qb3 (13.Qd3 cb5) 13...Nc4; B) 8...Bc3 9.Nc3 cb5 (9...e5 10.cd5 Nd5 11.bc6 bc6 12.Rb1 Nc3 13.dc3 Qf6) 10.ab5 dc4 11.Bc4 Qc7 12.Qe2 (12.Be2 e5 13.Rc1 a5) 12...e5 13.0-0 (13.Rc1 Nb6) 13...e4; C) 8...Bd6 9.d4 c5 10.a5 (10.Ra2 cd4 11.Qd4 e5 12.Qh4 Be7 13.Be5 Ne4) 10...Qe7 (10...cd4 11.Qd4 e5 12.Qd1 e4 13.Ng1 Qc7) 11.Be2 cd4 12.Qd4 e5 13.Qh4 dc4.

8.Nc3 Qa5 9.Be2 e5 10.0-0 dc4 11.Qc2 Re8 12.Bc4 Nb6 13.Be2 Bg4.

8.Nc3 a6 9.cd5 (9.bc6 bc6 10.Nd4 Bc5 11.Nb3 Rb8 12.Nc5 Rb2 13.Nd7 Qd7) 9...cd5 10.Rc1 Qa5 (10...Qe7 11.Be2 ab5 12.Bb5 e5 13.0-0 Bd6) 11.Na2 Bd6 12.Bc3 Qd8 13.ba6 ba6.

8.Nc3 Nb6 9.bc6 bc6 10.cd5 ed5 (10...cd5 11.Rb1 Bd7 12.Nb5 a5 13.Bd3 Ne4) 11.Qc2 (11.a5 Nbd7 12.Nd4 Nb8 13.Qa4 c5) 11...c5 12.Na2 (12.Be2 Rb8 13.0-0 Bg4) 12...Ba5 13.Bb5 Qd6.

8.Nc3 Rb8 9.cd5 ed5 10.Be2 c5 11.Qb3 d4 12.ed4 Re8 13.Kf1 Nb6.

8.Nc3 c5 9.cd5 ed5 10.Be2 Nb6 11.Rc1 Nc4 (11...c4 12.0-0 a6 13.d3 ab5) 12.Ba1 Nb6 (12...Bc3 13.Bc3 Ne4) 13.Na2 a5.

8.Nc3 Qc7 9.Be2 Bc3 (9...dc4 10.Bc4 cb5 11.Bb5=) 10.Bc3= Ne4 11.Bb2 Nb6 (11...dc4 12.Bc4 cb5 13.Bb5=) 12.Be5 (12.d3!? Nc5 13.cd5 ed5 14.Qc2 cb5 15.Ba3 Nba4 16.d4 Qa5 17.Qd2 Qd2 18.Nd2+=) 12...Qe7= 13.d3 Qb4 14.Nd2 (14.Kf1 f6 15.Rb1 Qa5=) 14...Nd2 (14...f6 15.Bd4 c5 16.de4 cd4 17.ed4 Nc4 18.Bc4 dc4 19.Rb1=) 15.Qd2+= Qd2 16.Kd2 dc4 ½–½. GuestMXLJ – GuestDQCL, freechess.org, 2017.

8.Nc3 Qe7 9.Be2 e5 10.cd5 cd5 11.0-0 e4 12.Nd4 Rd8 13.a5 Ne5.

8.Nc3 Re8 9.Rc1 (9.Be2 dc4 10.bc6 bc6 11.Bc4 Nb6 12.Qb3 Nc4 13.Qc4 c5) 9...e5 10.cd5 cd5 11.Qb3 Bc3 12.Qc3 d4 13.Qb3 (13.Qc7 Qe7) 13...Nb6.

8.cd5 cd5 (8...ed5 9.Be2 Re8 10.0-0 a6 11.Qc2 c5 12.Nc3 b6 13.ba6 Ba6; 8...Nd5 9.bc6 bc6 10.Qc2 c5 11.Nc3 Rb8 12.Nd5 ed5 13.Bd3 Nf6) 9.Be2 Re8 10.Nc3 e5 11.Qb3 Qa5 12.Nd5 Nd5 13.Qd5 Nf6.

8.Be2 Qc7 (8...dc4 9.bc6 bc6 A) 10.Qc2 Ba6 (10...c5 11.0-0 Bb7 12.Qc4 Rb8 13.Rc1 Re8) 11.0-0 (11.Na3 c3 12.dc3 Be2 13.Qe2 Bd6) 11...Rb8 12.Bc4 Bc4 13.Qc4 Bd6; B) 10.Bc4 c5 11.0-0 Bb7 12.d3 Nb6 13.Nfd2 a5; C) 10.Na3= Ba3 11.Ba3 c5 12.Bc4 (12.Rb1 Ba6 13.Qc2 Qa5) 12...Bb7 (12...e5 13.Rc1 e4) 13.0-0 Bf3= (13...Rb8)) 9.0-0 (9.cd5 cd5 A) 10.0-0 e5 11.Ba3 Ba3 12.Ra3 (12.Na3 e4 13.Nd4 a6) 12...e4 (12...d4 13.ed4 e4) 13.Nd4 Qd6; B) 10.Ba3 Ba3 (10...Qd6 11.Bb4 Qb4 12.0-0 a6 13.d4 b6) 11.Ra3 e5= 12.d4 e4 13.Nfd2 a6; 9.Qb3 Bd6 10.cd5 cd5 11.0-0 (11.d4 Nb6 12.Nbd2 a5 13.Ba3 Qe7) 11...e5 12.Rc1 Nc5 13.Qd1 e4) 9...e5 (9...dc4 10.Qc2 cb5 11.ab5 Nb6 12.Rc1 Bd7 13.Bc4 Rfc8) 10.Nc3 (10.cd5 cd5 11.Ba3 Ba3 12.Ra3 e4= 13.Nd4 Qd6= (13...Qa5)) 10...e4+= (10...dc4 11.Qc2 (11.Bc4 e4 12.Ng5 Bc3 13.Bc3 h6) 11...Rd8 12.Ne4 cb5 13.ab5 Ne4) 11.Nd4 Ne5 (11...c5 12.Nf5 (12.Nc2 dc4 13.Bc4 Rd8) 12...Ne5 13.Ng3 Nc4+= (13...dc4 14.Nge4 Ne4 15.Ne4+=); 11...dc4 12.bc6 bc6 13.Qc2 Bd6) 12.cd5= cd5 (12...Bc3 13.Bc3 Nd5 14.bc6 Nc3 15.dc3 bc6 16.Qc2+=) 13.Na2 (13.Rc1 Qd6=) 13...Bd6 14.Rc1 (14.h3 Be6=) 14...Qe7 (14...Nc4 15.Bc4 dc4 16.f4+=) 15.Qb3 (15.f4 Nc4 16.Bc4 dc4 17.Rc4 Bg4+=) 15...Bd7 (15...Be6 16.Nc3=) 16.Nc3 (16.f4 ef3 17.Nf3 Rac8=) 16...Be6 17.Ne6 (17.Rfd1 Rac8=) 17...Qe6 18.Ba3 (18.Rfd1 Qf5=) 18...Rfd8 19.Bd6 Rd6 (19...Qd6 20.Qc2+=) 20.Rc2 (20.f4 Nc4 21.f5 A) 21...Nd2? 22.Qd1 (22.fe6 Nb3 23.ef7 Kf7 24.Ne4 de4 25.Bc4 Kg6 26.Bb3 Rd3-/+) 22...Nf3 23.Rf3+-; B) 21...Qe5 22.Bc4 dc4 23.Qc4 Rd2=) 20...Nfg4 (20...Qd7 21.f4 ef3 22.Bf3+=) 21.f4 Qh6?? (better is 21...ef3 22.Bf3 Nf3 23.Rf3 Re8=) 22.h3+- Rg6 (22...Nf3 23.Bf3 ef3 24.hg4 fg2 25.Kg2 Qg6+-) 23.Nd5 Qh4 24.fe5 Ne5 25.Nf4 Rf6 (25...Rg5 26.Qc3 h6 27.Qd4 Nf3 28.Bf3 ef3 29.Rf3+-) 26.Qc3 Re8 (26...Nd7 27.Qc7 Nf8 28.Qb7+-) 27.d4 (better is 27.Qe5! Rd8+- (27...Re5?? 28.Rc8 Re8 29.Re8)) 27...Nd7 (27...Ng6 28.Ng6 hg6 29.Qc7+-) 28.Qe1 (28.Qc7 Nb6 29.a5 Qg3 30.ab6 Qe3 31.Kh1 Qd4+-) 28...Qg5 (28...Qe1 29.Re1 Rd6+-) 29.Nh5 (better is 29.Rc7 Nf8 30.Rb7+-) 29...Qe3+/- 30.Kh1 Rf1 31.Qf1 Qd4 32.Qd1 (32.Rc7!? Ne5+-) 32...Qd1+/- 33.Bd1 f5? (better is 33...Nb6+/-) 34.Rc7+- Rd8 35.Bb3 (35.Rb7 Nc5 36.Rg7 Kf8+-) 35...Kf8 (35...Kh8+-) 36.Rb7 g6 37.Nf4 Nf6 (37...Ke7+-) 38.Ne6 (38.Ne6 Ke8 39.Nd8 Kd8 40.Ra7+-) 1–0. Plock,Joerg – Materka, 1991.

8.Ne5 A) 8...Ne5 9.Be5 Ne4 10.bc6 (10.Qf3 Qa5 11.Ra2 f6 12.Bg3 e5 13.bc6 bc6) 10...bc6 11.cd5 ed5 12.Qc2 Qh4 (12...Qg5 13.Qb2 c5) 13.g3 Qh5; B) 8...Bd6 9.f4 Ne4 10.Qf3 Ne5 11.fe5 Bb4 12.Ba3 Ba3 13.Na3 f6; C) 8...cb5 9.ab5 Ne5 10.Be5 Nd7 11.Bc3 Be7 12.cd5 ed5 13.Qc2 Nc5; D) 8...c5 9.Nd7 Nd7 10.cd5 ed5 11.Qf3 d4 12.ed4 Re8 13.Be2 Nf6; E) 8...Ne4 9.bc6 Ne5 10.Be5 bc6 11.cd5 ed5 12.Qc2 Qh4 13.g3 Qh5; F) 8...dc4 9.Bc4 Bd6 10.d4 Bb4 (10...Qc7) 11.Nc3 Ne5 12.de5 Nd7 (12...Qa5) 13.f4 (13.Qh5 g6) 13...cb5+= (13...Nb6).

7.ab5 A) 7...Nb6 8.cd5 Nbd5 (8...ed5 9.Nf3 Bd6 10.Be2 0-0 11.0-0 Qe7 12.Bd4 Be6 13.Nc3 Rfc8; 8...Nfd5 9.Nf3 f6 10.d4 Bd6 11.Ba3 0-0 12.Bd3 Nb4 13.Bb4 Bb4) 9.Nc3 (9.Nf3 Bd6 10.Be2 0-0 11.0-0 Qc7 12.Qb3 e5 13.Rc1 Qe7) 9...e5 10.Nd5 Qd5 11.Nf3 Bd6 12.b6 (12.Ra4 e4 13.Nh4 Be5) 12...a6 (12...a5 13.Qa4 Bd7) 13.Qa4 (13.Rc1 e4) 13...Bd7; B) 7...dc4 8.Bc4 B1) 8...Bb4 9.Nf3 Nb6 10.Be2 Bd6 (10...0-0 11.0-0 Bd6 12.Be5 Be5 13.Ne5 Nfd7) 11.0-0 0-0 12.Be5 (12.d4 a6 13.Nc3 Nbd5) 12...Be5 13.Ne5 Nfd7; B2) 8...Bd6 9.Nf3 Nb6 10.d3 0-0 11.0-0 Qe7 12.Bf6 Qf6 13.Nbd2 Qg6; B3) 8...Nb6 9.Be2 Bd6 10.Nf3 (10.d4 0-0 11.Nf3 a6 12.0-0 Nbd5 13.Ne5 Nd7) 10...a5 (10...0-0 11.0-0 a6 12.Be5 Be5 13.Ne5 Nfd5) 11.d4 (11.0-0 0-0 12.Be5 Be5 13.Ne5 Nfd5) 11...0-0 12.Ba3 a4 (12...Nfd5 13.0-0 Nb4) 13.0-0 (13.Bd3 Qe7) 13...Qe7= (13...Nfd5).

7.cb5 Be7 8.Nf3 0-0 9.Be2 Nc5 10.0-0 b6 11.d4 Nce4 12.Nbd2 Bb7 13.Rc1 Rc8 14.Qb3 Qd7 15.Ne4 Ne4 16.Ne5 (16.Ba3 Bd6+=) 16...Qd6= 17.Rfd1 f6 18.Nd3 Rfd8 (18...Rc1 19.Nc1 Qd7 20.Bd3=) 19.Ra1 (19.Rc8 Rc8 20.f3 Ng5=) 19...Rc7 (19...Qd7 20.a5=) 20.Ba3 Qd7 21.Rac1 Rdc8 22.Rc7 Rc7 23.Be7 Qe7 24.Qb2 Qd7 25.Rc1 Kf7 26.f3 Nd6 27.Nf4 (27.Nb4 Rc1 28.Qc1 e5+=) 27...Nc4 (27...Rc1 28.Qc1 Kg8 29.Qc3+=) 28.Bc4+= dc4 29.Qc2 (29.Ne2 e5+=) 29...g6 (29...Kg8 30.Qc3=) 30.Ne2 (30.Qa2 Qc8+=) 30...Qd5 (30...Kg7 31.Qa2 Rc8 32.Qa3+= (32.Rc4? Bd5 33.Rc8 Ba2–+)) 31.Nc3 (31.Qa2 Qg5 32.e4 c3+=) 31...Qg5 32.Kf2 (32.Qe2!?+=) 32...Qh4 33.Kg1 Qg5 34.Qf2 Rd7 35.Re1 e5 36.f4 Qf5 37.fe5 The passed pawn on d4 will quickly become a dangerous weapon (37.Rd1 ef4 38.ef4 Bd5+=) 37...Qf2 38.Kf2 fe5 39.Rd1 Ke6 40.Ke2 (better 40.Rd2!?=) 40...ed4 41.ed4 Bd5 (better 41...Bg2!? 42.Rg1 Bb7-/+) 42.g3 (worse 42.Nd5 Kd5 (42...Rd5?! 43.Ke3=+) 43.Kd2 Re7–+) 42...Kd6 (42...Rf7 43.Re1= (43.Nd5? Kd5 44.Rd2 c3–+)) 43.Rf1 (worse 43.Nd5 Kd5 44.Rf1 Re7 45.Kd2 Kd4–+) 43...Re7 (43...Ke6 44.Rf8= (worse 44.Nd5 Kd5 45.Rf4 g5-/+)) 44.Kd2+= Re6 (44...Rd7!?+=) 45.Rf8 Re7?? (better 45...Bh1+-) 46.Rd8+- Rd7 (46...Kc7 47.Rd5 (47.Nd5?! Kd8 48.Ne7 Ke7+-) 47...h6 48.Ne2+-) 47.Rd7 Kd7 48.Nd5 Kd6 49.Ne3 h5 (49...c3 50.Kc3 Ke6 51.Kb4+-) 50.Nc4 Kd5 (50...Kc7 51.h4 Kb7 52.Ne5+-) 51.Kd3 g5 52.Ne3 (52.Nb6 ab6 53.h4 g4+-) 52...Ke6 53.Ke4 Kd6 54.d5 h4 55.Kd4 (better 55.Nf5!? Kc7 56.Nh4 g4+-) 55...hg3 56.hg3 g4 (56...Ke7+-) 57.Nc4 Ke7 58.Ke5 a6 (58...Kd7 59.d6 a6 60.Nb6 Ke8 61.ba6 Kf8 62.Kf6 Kg8 63.a7 Kh7 64.a8Q Kh6 65.Qh1) 59.d6 (59.ba6 Kf7 60.a7 Kg6 61.a8Q Kf7 62.Qh8 Ke7 63.Nd6 Kd7 64.Qe8 Kc7 65.Qc8) 59...Kd8 (59...Kd7 60.Nb6 Kd8 61.ba6 Ke8 62.Kf6 Kf8 63.a7 Kg8 64.Kg6 Kf8 65.a8Q) 60.Nb6 (60.ba6 Kd7 61.a7 Kc6 62.a8Q Kc5 63.Qa6 Kb4 64.Kd4 Kb3 65.Qb5 Kc2 66.Qb2 Kd1 67.Qd2) 60...ab5 (60...Ke8 61.ba6 Kf7 62.a7 Kg7 63.d7 Kg6 64.d8Q Kg7 65.Qf6 Kh7 66.a5 Kg8 67.a8Q Kh7 68.Qah8) 61.ab5 (61.ab5 Ke8 62.Na4 Kf7 63.b6 Kg6 64.d7 Kh7 65.d8Q Kg7 66.b7 Kh6 67.Qh8 Kg6 68.b8Q Kg5 69.Qbg8; 61.a5 Ke8 62.Kf6 b4 63.a6 Kf8 64.a7 Kg8 65.Kg6 Kf8 66.a8Q) 1–0. BeepBeepImAJeep (2615) – Alicia75 (2270), lichess.org, 2016.

7.cd5 ed5 8.ab5 A) 8...Be7 9.Nf3 (9.Be2 0-0 10.Nf3 Nb6 11.0-0 Re8 12.d3 Be6 13.Nd4 Bd6) 9...0-0 (9...Nb6 10.Be2 0-0 11.0-0 Re8 12.Qc2 Bg4 13.Bd4 Bd6) 10.Be2 Nb6 11.0-0 Be6 (11...Re8 12.Qc2 Bg4 13.Rc1 Qd6) 12.Bd4 Qd6 13.Nc3 Rfc8; B) 8...Bc5 9.Nf3 Nb6 10.Be2 0-0 11.0-0 Re8 (11...Bd6 12.Bd4 Bf5 13.Nc3 Nfd7) 12.Qc2 Bd6 13.Rc1 (13.Bd4 Bg4) 13...Bg4; C) 8...Nb6 9.Nf3 Bd6 10.Be2 0-0 11.0-0 Re8 (11...Qe7 12.Bd4 Be6 13.Nc3 Rfc8) 12.Bd4 Bg4 (12...Be6 13.Nc3 Ne4) 13.Nc3 Bc7; D) 8...Nc5 9.Nf3 Bf5 10.Bf6 Qf6 11.Nc3 Be4 (11...Qd8 12.Be2 Be7 13.b6 a6) 12.Nd4 (12.d4 Nd7 13.Qb3 Nb6) 12...Qd8 13.b6 Qb6; E) 8...Bb4 9.Nf3 0-0 10.Be2 Nb6 11.0-0 Re8 (11...Bd6 12.Bd4 Be6 13.Nc3 Re8) 12.Qb3 (12.Bd4 Qd6 13.Qb3 Bf5) 12...Bd6 13.Bd4 Be6; F) 8...Bd6 9.Nf3 0-0 (9...Nb6 10.Be2 0-0 11.Bd4 Bf5 12.0-0 Qe7 13.Nc3 Nfd7) 10.Be2 Nb6 11.Bd4 Re8 12.0-0 Bg4 13.Nc3 Bc7= (13...Nfd7).

7.cd5 ed5 8.Bb5= Be7 (8...a6 9.Be2 Bd6 10.Nf3 0-0 11.0-0 b6 (11...Nc5 12.Bd4 Ne6 13.Be5 Be5) 12.Qc2 (12.Ba3 Ba3 13.Na3 Ne4) 12...Bb7 (12...Ra7 13.Bd4 Rc7) 13.Qf5 (13.Bd4 Re8) 13...Re8= (13...Rc8); 8...Bd6 9.Bf6 Qf6 10.Nc3 Qg6 11.Qf3 a6 12.Bd7 Bd7 13.Nge2 Rc8; 8...Bc5 9.Bf6 Qf6 10.Nc3 d4 (10...0-0 11.Nd5 Qd6 12.Qb3 Nf6 13.Bc4 Rd8) 11.Ne4 Qe7 12.Nc5 Qc5 13.Rc1 Qg5+= (13...Qe7); 8...Bb4 9.Qb3 (9.Nf3 0-0 10.0-0 a6 11.Bd7 Bd7 12.Qb3 a5 13.Bf6 Qf6) 9...Qe7 (9...Bd6 10.Bf6 Qf6 11.Nc3 0-0 12.Qd5 Rd8 13.Rd1 Nc5) 10.Ne2 0-0 11.Nf4 a6 12.Be2 Rd8 (12...Qd6 13.Nc3 Rd8) 13.Nd5 Nd5) 9.Nf3 0-0 10.0-0 a6 (10...Nc5 11.Bf6 (11.Nc3 Bg4 12.Rc1 Rc8 13.h3 Be6) 11...Bf6 12.d4 Bg4 (12...Bf5 13.Nc3 Rc8) 13.Nbd2 a6) 11.Be2 Re8 12.d3 (12.Nc3 Nc5 (12...b6 13.d4 Nf8) 13.a5 (13.Qc2 Bg4) 13...Bf5= (13...b5); 12.Qc2 Nc5 13.Bd4 Ne6) 12...b6 (12...Nc5 13.Nbd2 (13.Be5 Bg4) 13...Bf5) 13.Qc2 (13.Nbd2 Nc5) 13...Bb7 (13...Ra7=) 14.Bd4 Rc8 15.Nc3 Nc5 16.Rab1 Qc7 (16...Rc6 17.Ne5 Rc8 18.Rfc1+=) 17.Qa2 (17.Qb2 Nfd7+=) 17...Ne6= 18.Be5 Qc6 (18...Qc5 19.Rfc1+=) 19.Rfc1 Qd7 (19...Nd7!?+=) 20.Rb6+/- Ng4 (20...Bc5!? 21.Rb7! Qb7 22.Bf6 gf6 23.Nd5 Be7+-) 21.d4+- Ne5? (better is 21...Rc6 22.Rcb1 Rc3 23.Rb7 Rc1 24.Bf1 Qc6+-) 22.Ne5 (22.de5?! d4 23.Nd4 Bc5 24.Rb7 Qb7+=) 22...Qc7 23.Qb1 Ba3 24.Rb7 Qb7 (24...Qa5 25.Bd3 g6 26.Nf7 Nd8 27.Nd8 Red8 28.Bg6 Rc3 29.Bh7 Kh8 30.Rc3 Qc3+-) 25.Qb7 Bc1 (25...Rc7 26.Qb1 Rec8 27.Ba6 Rc3 28.Rc3 Rc3 29.Qb7+-) 26.Qf7 Kh8 27.Ba6 Ra8 (27...Ng5 28.Qh5 Ra8 29.Bb7+-) 28.Bb5 (28.Bb5 Ng5 29.Qf5 Re5 30.Qe5+-) 1–0. Trkn – guest2644, ICC, 2004.

7.cd5 Nd5 A) 8.Bb5 a6 9.Bc4 N7f6 (9...Nb4 10.Nf3 Nb6 11.Be2 Nd3 12.Bd3 Qd3 13.Ne5 Qd5) 10.Nf3 Bd6 11.0-0 (11.Be5 0-0 12.0-0 b6 13.d4 Bb7) 11...0-0 12.d3 Ng4 (12...Rb8 13.e4 b5) 13.Qb3 Nb6; B) 8.ab5 B1) 8...N7f6 9.Bd4 Bd6 10.Nc3 (10.Nf3 0-0 11.Nc3 a6 12.Be2 Qe7 13.Ne5 Nc3) 10...0-0 11.Qf3 a5 12.ba6 ba6 13.Bc4 Qc7; B2) 8...N7b6 9.Nf3 Nf6 (9...f6 10.d4 Bb4 11.Nbd2 a5 12.Bd3 a4 13.Ba3 Qe7) 10.d4 (10.Be2 Bd6 11.0-0 0-0 12.Be5 Be5 13.Ne5 Qd6) 10...Bb4 11.Bc3 Bd6 12.Bd3 0-0 13.e4 Bf4; B3) 8...N5f6 9.Nf3 Bb4 10.Be2 0-0 (10...Qe7 11.Qc2 0-0 12.Bd4 a6 13.ba6 e5) 11.0-0 a6 (11...Qe7 12.d4 Rd8 13.Qc2 Bd6) 12.d4 (12.Qc2 Re8 13.ba6 ba6) 12...Nd5 (12...Nb6 13.Ne5 Bd6) 13.ba6 (13.Qc2 Bd6) 13...ba6; B4) 8...a5 9.Nf3 N7f6 10.Nc3 Nc3 11.Bc3 b6 (11...Bd6 12.Qa4 0-0 13.e4 Bf4) 12.Bc4 (12.Ne5 Bb7 13.Nc6 Qd6) 12...Bd6 13.0-0 0-0= (13...Bb7); B5) 8...e5 9.Nc3= N7f6 10.Nd5 Qd5 11.Nf3 Bd6 12.b6 (12.Ra4 e4 13.Nh4 Be5) 12...a6 (12...a5 13.Rc1 a4) 13.Bc3 (13.Rc1 e4) 13...Qe6= (13...Bg4).

7.a5 Bd6 (7...a6 8.b6 Bd6 9.Be2 e5 10.0-0 e4 11.Ne1 0-0 12.d4 Qe7 13.Nd2 c4 14.Qc1 Nb8) A) 8.d3 Bc7 (8...b6 9.c4 ba5 10.Bc3 Bc7 11.Qd2 dc4 12.dc4 Ne4 13.Qc2 Nc3 14.Nc3 a6; 8...0-0 9.Be2 Bc7 10.Qd2 e5 11.0-0 e4 12.Ng5 Qe7 13.de4 de4 14.Rd1 h6; 8...a6 9.b6 Qe7 10.Be2 e5 11.0-0 0-0 12.Nbd2 Rd8 13.c4 e4 14.Ne1 Be5; 8...e5 9.Be2 0-0 10.0-0 Qc7 11.Nfd2 e4 12.h3 Be5 13.Be5 Qe5 14.c3 Rd8; 8...Qe7 9.Be2 e5 10.0-0 0-0 11.Nbd2 e4 12.Nh4 Ne5 13.de4 Ne4 14.Ne4 de4) 9.Qd2 0-0 10.Be2 e5 11.0-0 Qe7 12.Nc3 e4 13.Ne1 Re8 14.Ra4 Qe5; B) 8.Be2 Bc7 (8...e5 9.0-0 0-0 10.d3 Qc7 11.Nfd2 e4 12.h3 Bh2 13.Kh1 Be5 14.Nc3 ed3; 8...0-0 9.d3 Bc7 10.Qd2 e5 11.0-0 Qe7 12.Nc3 e4 13.Ne1 Re8 14.Ra4 Qe5) 9.Bc3 Ne4 10.a6 ba6 11.ba6 0-0 12.0-0 Rb8 13.Ra2 Rb6 14.Bb2 Nb8.

7.c4 Bd6= A) 8.d4 0-0 (8...cd4 9.Bd4 0-0 10.cd5 Nd5 11.Bc4 N5f6 12.Bb2 Qa5 13.Nbd2 Rd8 14.0-0 Nc5) 9.cd5 ed5 10.dc5 Nc5 11.Be2 Re8 12.0-0 Bg4 13.Nc3 Rc8 14.Rc1 Qc7; B) 8.d3 0-0 (8...e5 9.cd5 Nd5 10.Be2 Qa5 11.Qd2 Qc7 12.Nc3 N7f6 13.Nd5 Nd5 14.0-0 0-0; 8...a6 9.Be2 e5 10.Nbd2 d4 11.0-0 0-0 12.Ng5 ab5 13.ab5 Ra1 14.Ba1 Nb6; 8...Qa5 9.Bc3 Qc7 10.cd5 ed5 11.a5 0-0 12.Be2 Re8 13.0-0 Ne5 14.Nbd2 Nf3; 8...Qe7 9.Be2 dc4 10.dc4 e5 11.Nc3 Bc7 12.Qc2 0-0 13.0-0 e4 14.Nd2 Re8; 8...Qc7 9.cd5 ed5 10.Be2 0-0 11.a5 b6 12.a6 Ne5 13.Ne5 Be5 14.d4 cd4) 9.cd5 ed5 10.Be2 Re8 11.0-0 a6 12.Nc3 Ne5 13.ba6 ba6 14.d4 cd4; C) 8.cd5 ed5 9.Be2 0-0 10.0-0 Re8 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c4 14.Ba3 Bf5; D) 8.Nc3 0-0 9.cd5 ed5 10.Be2 Re8 11.0-0 Ne5 12.a5 Nf3 13.Bf3 Be5 14.Qc2 Qd6; E) 8.Be2 0-0 (8...e5 9.cd5 Nd5 10.Nc3 N5f6 11.Qc2 0-0 12.0-0 Re8 13.d3 a6 14.ba6 ba6; 8...a6 9.Nc3 dc4 10.Bc4 0-0 11.0-0 e5 12.d3 Nb6 13.Bb3 Bg4 14.a5 Nbd7; 8...Qe7 9.0-0 e5 10.d4 cd4 11.ed4 e4 12.Nfd2 0-0 13.c5 Bf4 14.Ba3 Nb8) 9.0-0 e5 10.d3 dc4 11.dc4 Qc7 12.Nfd2 e4 13.g3 Re8 14.Nc3 Nf8.

7.Bd3 Bd6 A) 8.Be2 e5 (8...0-0 9.0-0 e5 10.Nh4 Bc7 11.d4 cd4 12.ed4 e4 13.Re1 Re8 14.Nd2 Nb8; 8...a6 9.0-0 0-0 10.c4 e5 11.d3 ab5 12.ab5 Ra1 13.Ba1 dc4 14.dc4 Qc7; 8...Qc7 9.c4 e5 10.cd5 Nd5 11.Nc3 Nc3 12.Bc3 0-0 13.Qc2 Nf6 14.a5 Bg4; 8...Qe7 9.0-0 e5 10.a5 0-0 11.d4 cd4 12.ed4 e4 13.Nfd2 e3 14.fe3 Qe3; 8...Qa5 9.c4 0-0 10.0-0 e5 11.Nh4 Qc7 12.Nf5 Re8 13.a5 Qb8 14.d3 Bc7) 9.0-0 0-0 10.Nh4 Bc7 11.d4 cd4 12.ed4 e4 13.Ba3 Re8 14.Re1 Nb6; B) 8.Nc3 e5 (8...0-0 9.0-0 e5 10.Bf5 e4 11.Ne1 Ne5 12.Bc8 Qc8 13.d3 Qe6 14.h3 Rfd8; 8...Qa5 9.0-0 0-0 10.Re1 e5 11.Nh4 Nb6 12.Nf5 Bf5 13.Bf5 Nc4 14.Ra2 e4) 9.Nh4 c4 10.Bf5 g6 11.Bd7 Bd7 12.Nf3 0-0 13.0-0 Bg4 14.h3 Bf5; C) 8.a5 e5 (8...Bc7 9.Bc3 Ne4 10.Be4 de4 11.Ng1 Qg5 12.g3 0-0 13.Ra4 Qg6 14.d3 Nf6) 9.Be2 Bc7 10.0-0 e4 11.Ng5 Ba5 12.d3 h6 13.Nh3 0-0 14.c4 ed3; D) 8.0-0 e5 (8...0-0 9.Be2 e5 10.Nh4 Bc7 11.Nf5 Re8 12.Ng3 a6 13.Nc3 e4 14.ba6 ba6) 9.Nh4 0-0 10.Nf5 Bc7 11.Be2 Re8 12.Ng3 a6 13.Nc3 c4 14.d4 e4.

7.d4 b6 8.Nc3 Bb7 (8...c4 9.Be2 Bb4 10.0-0 0-0 11.Ne5 Bb7 12.f4 a6 13.Bf3 Qc8 14.Na2 Be7; 8...a6 9.dc5 Nc5 10.Be2 Be7 11.0-0 0-0 12.Qd4 Bd6 13.Rfd1 e5 14.Qh4 ab5; 8...Bd6 9.Be2 0-0 10.0-0 Qc7 11.Qd2 cd4 12.Qd4 Nc5 13.Qh4 e5 14.Rad1 Bb7) 9.Be2 (9.dc5 Nc5 10.Be2 Bd6 11.a5 ba5 12.Na4 Ncd7 13.Bd4 e5 14.Bb2 a6) 9...Qc7 (9...Bd6 10.0-0 0-0 11.Qd2 Qc7 12.dc5 Nc5 13.Rfd1 e5 14.Kh1 Rac8) 10.0-0 cd4 (10...Bd6 11.Nb1= a6 12.dc5 Bc5 13.Nc3 0-0 14.ba6 Ba6) 11.Qd4 Bc5 (11...Bd6 12.Rad1 0-0 13.Qh4 Rfc8 14.Nd4 Nc5) 12.Qh4 0-0 (12...Be7 13.Qg5= (13.Qd4 e5 14.Qd1 0-0) 13...0-0 14.Rfd1 Rfc8) 13.Nd4 Rac8 (13...Rfc8 14.Nb3= (14.Rfd1 Be7) 14...Bd6; 13...Be7 14.Qh3 Rac8) 14.Nb3 Bb4?? (better is 14...Be7=) 15.Qb4+- 1–0. pierre – oppoqsu, internet, 2010.

7.d4 b6 8.c4 Bb7= (8...a6 9.cd5 Nd5 10.Nc3 N7f6 11.ba6 Ba6 12.Ba6 Ra6 13.0-0 Nb4 14.Qe2 Bd6; 8...cd4 9.Nd4 Bb7 10.cd5 Nd5 11.e4 Nb4 12.f3 e5 13.Nb3 Qh4 14.g3 Qf6; 8...Bd6 9.Nc3 Bb7 10.dc5 bc5 11.cd5 ed5 12.Bd3 Qe7 13.0-0 Ne5 14.Ne5 Qe5; 8...Be7 9.dc5 Nc5 10.cd5 Qd5 11.Qd5 ed5 12.Nd4 Bd7 13.Nd2 Rc8 14.a5 Nfe4) 9.cd5 Nd5 10.Bc4 cd4 11.Bd4 Bb4 12.Nbd2 0-0 13.0-0 Rc8 14.Qb3 Qe7.

7.d4 b6 8.dc5 Nc5 (8...Bc5 9.Bd3 0-0 10.0-0 Qc7 11.Qd2 e5 12.Bf5 e4 13.Bd7 Qd7 14.Nd4 Qc7) 9.Be2 Bd6 10.0-0 a6 11.Nbd2 0-0 12.Nb3 Nce4 13.Qd4 Re8 14.Ne5 Qc7.

7.d4 b6 8.Be2 Bd6 (8...Qc7 9.a5 ba5 10.Bc3 c4 11.Ba5 Qb7 12.Nc3 a6 13.ba6 Ra6 14.0-0 Qc6; 8...a6 9.c4 cd4 10.Nd4 dc4 11.Bc4 Bb4 12.Nc3 Bb7 13.0-0 Qc7 14.Qb3 Bd6; 8...c4 9.Ba3 Ba3 10.Na3 0-0 11.0-0 a6 12.ba6 Ne4 13.a7 Ra7 14.Nb5 Ra5) 9.0-0 0-0 10.dc5 Nc5 11.Be5 a6 12.Qd4 Nce4 13.Bd3 Bc5 14.Qb2 Qe7.

7.d4 c4 8.Be2 a6 9.ba6 Ra6 10.0-0 Qb6 11.Bc1 Qc6 12.Nc3 Bb4 13.Nb5 Ne4 14.Bd2 Nd2.

7.d4 Qc7 A) 8.Nbd2 c4 9.Ba3 Ba3 10.Ra3 a6 11.Ra1 Qa5 12.ba6 Ra6 13.Be2 0-0 14.0-0 Nb6; B) 8.Be2 cd4 9.ed4 Bb4 10.c3 Ba5 11.0-0 Ne4 12.Bd3 0-0 13.c4 Qf4 14.Bc1 Qg4; C) 8.c4 cd4 9.Qd4 e5 10.Qh4 a6 11.Nbd2 ab5 12.cd5 ba4 13.Ra4 Ra4 14.Qa4 Bd6; D) 8.Ba3 e5 (8...Bd6 9.c4 0-0 10.cd5 ed5 11.Be2 b6 12.0-0 Bb7 13.Nc3 Rac8 14.Rc1 Rfe8) 9.de5 Ne5 10.Nbd2 Bd6 11.Bb2 0-0 12.Be2 Bg4 13.h3 Bf3 14.Nf3 Rfe8; E) 8.dc5 Bc5 9.Nbd2= Bb4 10.c3 Bd6 11.c4 0-0 12.Be2 e5 13.cd5 Nd5 14.Rc1 Qa5.

7.d4 cd4 A) 8.Qd4 Bd6 (8...Bc5 9.Qf4 Qe7 10.Bd3 Bd6 11.Qg5 e5 12.Be2 h6 13.Qh4 Nf8 14.a5 d4) 9.Be2 Qc7 10.Qc3 Nc5 11.0-0 Bd7 12.a5 Rc8 13.Rd1 0-0 14.Nbd2 Rfe8; B) 8.ed4 Bb4 (8...Ne4 9.Bd3 Bb4 10.c3 Be7 11.Ba3 Nd6 12.0-0 0-0 13.Ne5 Qc7 14.Qf3 Nf6; 8...Bd6 9.Bd3 Qa5 10.Qd2 Qd2 11.Nbd2 Nh5 12.g3 Bc7 13.0-0 Nhf6 14.a5 0-0; 8...Qa5 9.Qd2 Qc7 10.Bd3 Ne4 11.Be4 de4 12.Ne5 f6 13.Nd7 Bd7 14.Ba3 e5) 9.Bc3 Bd6 10.Bd3 Ne4 11.Be4 de4 12.Nfd2 Nf6 13.Qe2 Qc7 14.Ne4 Ne4; C) 8.Nd4 e5 9.Nb3 Qc7 10.Bd3 Bb4 11.c3 Bd6 12.Ba3 Ba3 13.Ra3 Nb6 14.N3d2 0-0; D) 8.Bd4 Qc7 9.Nbd2 e5 10.Bb2 Bb4 11.c3 Ba5 12.Rc1 e4 13.Nd4 Ne5 14.N2b3 Bg4.

7.d4 Bd6 8.dc5 Nc5 (8...Bc5 9.Bd3 Qc7 10.0-0 0-0 11.a5 Bb4 12.Bd4 Ba5 13.Nbd2 Re8 14.Ne5 Ne5) 9.Be2 0-0 10.0-0 a6 11.c4 Qe7 12.cd5 Nd5 13.Nc3 Nc3 14.Bc3 e5.

7.Be2 Bd6 A) 8.a5 e5 (8...Bc7 9.Bc3 Ne4 10.a6 ba6 11.ba6 0-0 12.0-0 Rb8 13.Ra3 e5 14.Ba1 Nef6; 8...0-0 9.0-0 Bc7 10.d4 cd4 11.Bd4 Ba5 12.c4 dc4 13.Qc2 Bb6 14.Rd1 Qc7; 8...a6 9.b6 0-0 10.0-0 e5 11.d3 Qe7 12.Nbd2 e4 13.de4 de4 14.Ng5 Be5) 9.0-0 0-0 10.d3 Qc7 11.h3 Rd8 12.Nc3 Be7 13.Nh4 Nf8 14.Nf3 Ng6; B) 8.c4 0-0 (8...e5 9.cd5 Nd5 10.Nc3 N5f6 11.Qc2 0-0 12.0-0 Re8 13.d3 a6 14.Rfc1 b6) 9.cd5 ed5 10.0-0 Re8 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c4 14.Ba3 Bf5; C) 8.Nc3 e5 (8...Qa5 9.0-0 e5 10.d3 0-0 11.Qe1 Qc7 12.Nd2 a5 13.e4 d4 14.Nd1 Be7; 8...0-0 9.d4 cd4 10.Qd4 Qc7 11.Rd1 e5 12.Qh4 d4 13.Nb1 Qc2 14.Ba1 Bb4) 9.Nh4 0-0 10.0-0 Nb8 11.a5 d4 12.Nb1 e4 13.g3 a6 14.ed4 Bh3; D) 8.d3 0-0 (8...e5 9.c4 dc4 10.dc4 Qe7 11.Nc3 0-0 12.Bd3 Re8 13.Ng5 Rd8 14.0-0 Nf8; 8...a6 9.0-0 0-0 10.c4 e5 11.cd5 ab5 12.ab5 Ra1 13.Ba1 Nd5 14.Qb3 N5f6; 8...Qa5 9.Qd2 Qc7 10.c4 0-0 11.0-0 Ng4 12.h3 Nh2 13.Rc1 Nf3 14.Bf3 Ne5; 8...Qc7 9.c4 dc4 10.dc4 0-0 11.Nbd2 a6 12.Bd3 Rd8 13.0-0 Ng4 14.Qc2 Bh2; 8...Qe7 9.0-0 e5 10.a5 0-0 11.Nbd2 e4 12.Ne1 Rd8 13.c4 Be5 14.d4 cd4) 9.c4 Qe7 10.Qc2 a6 11.0-0 e5 12.Na3 b6 13.ba6 Ba6 14.Nb5 Bb7; E) 8.0-0 0-0 (8...e5 9.Nh4 0-0 10.Nf5 Bc7 11.d4 Re8 12.Nd2 cd4 13.ed4 e4 14.Re1 Nf8; 8...a6 9.d4 0-0 10.c4 b6 11.Nc3 Bb7 12.ba6 Ba6 13.dc5 Nc5 14.cd5 Be2; 8...Qc7 9.d4 cd4 10.ed4 Ng4 11.h3 Nh2 12.Re1 Nf3 13.Bf3 0-0 14.Ba3 Ba3) 9.d4 cd4 10.ed4 a6 11.Ba3 Ba3 12.Ra3 Re8 13.Ne5 Ne5 14.de5 Nd7.

7.c4 e5 8.d4 e4 9.Nfd2=.

7.d4 a6 8.c4 A) 8...ab5 9.c5 Be7 10.ab5 Ra1 11.Ba1 0-0 12.Nc3 e5 13.Be2 e4 (13...ed4 14.ed4) 14.Nd2; B) 8...dc4 9.bc6 bc6 10.Bc4 Rb8 11.Qc2 c5 12.0-0 cd4 13.Bd4 e5 14.Bc3.

7.d4 cb5 A) 8.Bb5 A1) 8...Qa5 9.Qd2 (9.Nbd2 a6 10.0-0 Qc7 11.Bd3 0-0 12.c4 b6 13.cd5 ed5 14.Qb3) 9...Qc7 10.Ba3 Ba3 11.Na3 Ne4 12.Qb4 a6 13.Bd3 Nef6 14.c4; A2) 8...a6 9.Bd3 Nb6 10.a5 Nc4 11.Bc4 dc4 12.Nbd2 Qc7 13.c3 0-0 14.Qe2; B) 8.ab5 B1) 8...Ne4 9.Bd3 (9.Nbd2 Qc7 10.Ne4 de4 11.Nd2 Nf6 12.Nc4 Be7 13.b6 Qb8 14.Ba3; 9.Be2 Ndf6 10.0-0 0-0 11.Ba3 Ba3 12.Ra3 Qb6 13.Qd3 Bd7 14.Ne5) 9...a6 10.0-0 Nb6 11.Ne5 0-0 12.f3 Be5 13.de5 Nc5 14.Bd4; B2) 8...0-0 9.Bd3 (9.Ba3 Ba3 10.Ra3 Re8 11.Bd3 e5 12.de5 Ne5 13.Ne5 Re5 14.Ra4; 9.Be2 a6 10.ba6 ba6 11.Ba3 Qc7 12.Bd6 Qd6 13.Nbd2 e5 14.de5) 9...a6 10.ba6 ba6 11.Ba3 Qc7 12.Bd6 Qd6 13.Nbd2 e5 14.de5; B3) 8...Bb4 9.c3 (9.Nbd2 Qc7 10.Bd3 Ne4 11.0-0 Nc3 12.Qc1 a6 13.Nb1 Nb1 14.Rb1) 9...Ba5 10.Bd3 Bc7 11.0-0 e5 12.b6 Nb6 13.Ne5 0-0 14.Nd2; B4) 8...Nb6 9.Bd3 (9.Ba3 0-0 10.Bd3 a5 11.0-0 a4 12.Ne5 Qc7 13.Bd6 Qd6 14.Na3; 9.Be2 a6 10.ba6 ba6 11.Ba3 0-0 12.0-0 a5 13.Ne5 a4 14.c4) 9...Qc7 10.Ba3 Ba3 11.Ra3 Nc4 12.Bc4 Qc4 13.Rb3 Qc7 14.0-0; B5) 8...a6 9.Bd3 (9.ba6 ba6 10.Ba3 Qa5 11.Qd2 Bc7 12.Nc3 Ne4 13.Ne4 de4 14.Qa5) 9...0-0 10.0-0 Nb6 11.ba6 ba6 12.Ba3 Ne4 13.Nbd2 Nc3 14.Qe1.

7.d4 c5 8.c4 A) 8...0-0 A1) 9.dc5 Nc5 10.cd5 Nd5 11.Bc4 Qa5 12.Qd2 Nb4 (12...Nd3 13.Bd3 Bb4 14.Nc3) 13.0-0 Rd8 14.Qc3; A2) 9.Be2 cd4 10.Qd4 e5 11.Qh4 Bb4 12.Bc3 Qa5 (12...Bc3 13.Nc3 Qa5 14.Rc1) 13.Bb4 Qb4 14.Nbd2; A3) 9.Nc3 Qa5 10.cd5 ed5 11.dc5 Nc5 12.Rc1 Qb4 13.Ba1 Nfe4 14.Nd4; A4) 9.Ra2 cd4 10.Qd4 e5 11.Qh4 a6 12.ba6 ba6 13.Be2 dc4 14.Bc4; A5) 9.Nbd2 cd4 10.Nd4 e5 11.N4f3 e4 12.Nd4 Nc5 13.Be2 Bg4 14.f3; A6) 9.cd5 ed5 10.dc5 Nc5 11.Be2 Bf5 (11...Re8 12.0-0 Qe7 13.a5 Bg4 14.h3) 12.0-0 Rc8 13.Nc3 Re8 14.Rc1; B) 8...cd4 B1) 9.Bd4 0-0 10.cd5 Nd5 11.Bc4 N5f6 12.Bc3 Nb6 (12...Ne4 13.Qc2 Ndc5 14.0-0) 13.Bd3 Nbd5 14.0-0; B2) 9.Nd4 Nb6 10.Nd2 0-0 11.Nc2 a5 (11...Bc7 12.a5 Nbd7 13.Nb3 Ne5 14.b6) 12.cd5 (12.Bd3 Nfd7 13.cd5 Nc5 14.Nc4) 12...Nfd5 13.Bd3 Qh4 14.Ne4; B3) 9.Qd4 e5 10.Qd1 e4 11.Nfd2 Nb6 (11...dc4 12.Nc4 Bb4 13.Bc3 Qe7 14.Be2) 12.cd5 (12.Nc3 0-0 13.Nd5 Nfd5 14.cd5) 12...0-0 13.Nc3 Bb4 14.d6+= (14.Rc1).

7.d4 c5 8.dc5 Nc5 9.Be2 Qe7 (9...0-0 10.0-0 a6 11.c4 b6 12.Nc3 dc4 13.Bc4 Qe7 14.Nd4) 10.Nc3 (10.0-0 e5 11.Nc3 e4 12.Nd4 Qe5 13.g3 Bh3 14.Re1) 10...Bd7 (10...0-0 11.0-0 Qc7 12.a5 Bd7 13.Na4 Nce4 14.b6) 11.a5 Rc8 (11...0-0 12.0-0 Rfd8 13.Qd4 e5 14.Qh4) 12.0-0 0-0 13.Qd2 Nfe4 (13...Rc7 14.Rfd1) 14.Ne4.

7.d4 c5 8.Be2 A) 8...Qa5 A1) 9.Qd2 Qc7 10.0-0 (10.dc5 Nc5 11.Bf6 Ne4 12.Qd3 Nf6 13.0-0 e5 14.Qc3) 10...cd4 (10...0-0 11.c4 cd4 12.Qd4 e5 13.Qh4 e4 14.Nfd2) 11.ed4 Ng4 12.g3 Ngf6 (12...Ndf6 13.Ba3 Ba3 14.Ra3) 13.Ba3 0-0 (13...Ba3 14.Ra3) 14.Bd6; A2) 9.Nbd2 c4 10.0-0 Nb6 11.c3 0-0 12.e4 Ne4 13.Ne4 de4 14.Nd2; A3) 9.Bc3 Qc7 10.dc5 Bc5 11.0-0 0-0 12.a5 Bd6 13.Qd4 Re8 (13...e5 14.Qh4) 14.Rd1; B) 8...0-0 B1) 9.0-0 cd4 10.ed4 Re8 11.Re1 (11.a5 Qc7 12.Bd3 Bb4 13.a6 ba6 14.ba6) 11...Qc7 12.Ba3 (12.Bd3 e5 13.de5 Ne5 14.Be5) 12...Bf4 13.g3 Bh6 14.Bb4; B2) 9.dc5 Nc5 10.0-0 a6 11.c4 Qe7 (11...b6 12.Na3 Bb7 13.ba6 Ba6 14.Nb5) 12.cd5 Nd5 13.Nc3 (13.Nbd2 Rd8 14.e4) 13...Nc3 14.Bc3; C) 8...cd4 C1) 9.Qd4 Qc7 (9...e5 10.Qd2 0-0 11.Ba3 Ba3 12.Ra3 Qe7 13.0-0 Rd8 14.Rd1) 10.Qc3 Nc5 11.0-0 Bd7 12.a5 0-0 13.Nbd2 (13.Rd1 Rfe8 14.Ne5) 13...Rfc8 (13...Rac8 14.Ne5) 14.Rfd1; C2) 9.Nd4 Qc7 10.Nd2 Bh2 11.c4 Bd6 12.Rc1 (12.cd5 Nd5 13.Rc1 Qd8 14.Ne4) 12...Qd8 13.Qc2 e5 14.Nf5; C3) 9.Bd4 Qc7 (9...e5 10.Bb2 Qc7 11.Nbd2 Bb4 12.Rc1 Bc3 13.Bc3 Qc3 14.0-0) 10.Nbd2 (10.Bb2 e5 11.Nbd2 a6 12.c4 ab5 13.ab5 Ra1 14.Qa1) 10...e5 11.Bb2 Nc5 (11...0-0 12.Rc1 e4 13.Nd4 Rd8 14.c4) 12.c4 e4 13.Nd4 Bg4 14.f3; C4) 9.ed4 Qa5 10.Nbd2 Ne4 11.0-0 Nc3 12.Qe1 Ne2 13.Qe2 a6 14.c4; D) 8...a6 D1) 9.dc5 Nc5 10.0-0 0-0 11.c4 b6 12.Na3 (12.Nc3 dc4 13.Bc4 Qe7 14.Nd4) 12...Qe7 (12...Bb7 13.ba6 Ba6 14.Nb5) 13.Bf6 Qf6 14.cd5; D2) 9.Nc3 0-0 10.0-0 Qa5 11.dc5 Nc5 12.Qd4 Rd8 13.Ba3 Qc7 14.a5; D3) 9.c4 cd4 10.Bd4 dc4 11.Bc4 e5 12.Bb2 Nb6 13.Bb3 ab5 14.Be5; D4) 9.0-0 0-0 10.c4 b6 11.Nc3 Bb7 12.ba6 Ba6 13.dc5 Nc5 14.Nb5= (14.cd5).

7.d4 Qc7 8.Bd3 e5 9.bc6 bc6 10.de5 Be5 (10...Ne5 11.Nbd2=+) 11.Ne5 Ne5 12.Be2 (12.Ba3 c5 13.Nc3=+) 12...Bb7 (12...0-0!?=+) 13.Qd4+= Ned7 14.0-0 0-0-0? (better 14...c5 15.Qh4 0-0=) 15.Qa7+- Qb6 (15...Qb8 16.Qa5+-) 16.Qb6 Nb6 17.Bf6 (17.a5 Nbd7+-) 17...gf6 18.a5 Nc4 19.a6 Ba8 20.Bc4 dc4 21.Ra4 Rd6 (21...Rhg8 22.g3+-) 22.Rc4 Kc7 (22...Rg8 23.g3+-) 23.Nc3 Kd7 (23...Kb6+-) 24.Ne4 Re6 25.Nc5 Kd6 (25...Kc7 26.Ne6 fe6+-) 26.Rd1 Ke7 (26...Kc7 27.Rd7 Kc8+-) 27.Rd7 Ke8 (27...Kf8 28.Ne6 Ke8 29.Ra7 Rg8 30.Rb4 Rg2 31.Kf1 Rf2 32.Kf2 Bb7 33.Rbb7 fe6 34.Ra8) 28.Rb4 Kf8 29.Ne6 (29.Ne6 Ke8 30.Rc7 Bb7 31.ab7 fe6 32.b8Q) 1–0. DEFFM – GuestCHDP, freechess.org, 2020.

7.d4 Ne4 8.Bd3= Ndf6 (8...Qa5 9.Nbd2= Bb4 10.Ke2 (10.bc6 bc6 11.c4 Ba6 12.Ba3 Bc3 13.Rc1 Nd2 14.Nd2) 10...Nc3 11.Bc3 Bc3 12.bc6 bc6 13.Nb3 Qb4 14.Ra2; 8...a6 9.0-0 (9.Nbd2 Nd2 10.Qd2 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 0-0 14.0-0; 9.bc6 bc6 10.Ba3 c5 11.0-0 Rb8 12.c4 0-0 13.Qc2 f5 14.Nbd2; 9.ba6 ba6 10.Nbd2 Rb8 11.Rb1 Qa5 12.0-0 Nd2 13.Nd2 e5 14.e4) 9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nc3 (12.Nbd2 Nd2 13.Qd2 b4 14.Rb1) 12...Nc3 13.Bc3 b4 14.Bd2; 8...0-0 A) 9.Nbd2 Ndf6 (9...Qa5 10.c4 Nd2 11.Nd2 dc4 12.Bc4 Rd8 13.0-0 cb5 14.Bb5) 10.0-0 cb5 11.ab5 Qc7 (11...Bd7 12.Ne5 Qc7 13.c4 Nd2 14.Qd2) 12.c4 Nd2 13.Qd2 dc4 14.Rfc1; B) 9.0-0 Qf6 10.Nbd2 Nd2 11.Qd2 a6 12.e4 de4 13.Be4 ab5 14.ab5; 8...Qf6 A) 9.0-0 0-0 (9...Nec5 10.Be2 Ne4 11.c4 0-0 12.Qc2 cb5 13.c5 Be7 14.ab5) 10.Nbd2 Nd2 11.Qd2 Re8 (11...a6 12.e4 de4 13.Be4 ab5 14.ab5) 12.e4 e5 13.Rfe1 (13.Rae1 a6 14.de5) 13...Re7 (13...a6 14.de5) 14.ed5; B) 9.Nbd2 Nd2 10.Qd2 cb5 11.ab5 Nc5 12.Ba3 Nd3 13.Qd3 (13.cd3 Bc7 14.0-0) 13...Bc7 (13...Bb8 14.Bc5) 14.0-0; 8...c5 A) 9.Be4 de4 10.Nfd2 cd4 11.Ne4 Bb4 12.c3 dc3 13.Bc3 Qe7 (13...Bc3 14.Nbc3) 14.0-0; B) 9.dc5 Ndc5 10.0-0 0-0 (10...f6 11.a5 Bd7 12.c4 Nd3 13.Qd3 Nc5 14.Qd1) 11.a5 Bc7 (11...f6 12.Nbd2 Bc7 13.a6 ba6 14.ba6) 12.b6 Bb8 13.Nbd2 Nd2 14.Nd2; C) 9.0-0 c4 10.Be4 de4 11.Nfd2 Qc7 12.h3 Nf6 13.Nc3 0-0 14.Nce4; 8...cb5 9.ab5 a6 10.0-0 Nb6 11.Ne5 0-0 12.f3 Be5 (12...f6 13.fe4 fe5 14.Rf8) 13.de5 Nc5 14.Bd4) 9.0-0 Qc7 (9...0-0 10.Ne5 Qc7 11.Qf3 c5 12.c4 cd4 13.ed4 Nc5 14.Nd2) 10.Ne5 (10.Nbd2 0-0= 11.c4 (11.Ba3 c5 12.Qe1 a6 13.Be4 de4 14.Ng5) 11...Nd2 12.Qd2 dc4 13.Bc4 Ng4 (13...cb5 14.Bb5) 14.h3) 10...c5 (10...cb5 11.ab5 0-0 12.Qf3 Rd8 (12...Bd7 13.c4 Nc5 14.Be2) 13.Rc1 Qb8 14.Qf4) 11.f3 (11.Nd2 Nd2 12.Qd2 c4 13.Be2 Ne4 14.Qd1) 11...cd4 12.ed4 Nc5 13.Be2 (13.a5 Nd3 14.Qd3) 13...Ncd7 (13...0-0 14.Nd2= (worse is 14.dc5 Be5 15.Be5 Qe5-/+; 14.Re1=)) 14.f4 Ne4 15.Bd3 Ne5 (better is 15...0-0!?=) 16.fe5+/- (worse is 16.de5 Bc5 17.Kh1 Nf2 18.Rf2 Bf2-/+) 16...Be5 (16...Bb4 17.Be4 de4 18.c3+/-) 17.de5+- Qc5 18.Kh1 Nf2 19.Rf2! Qf2 20.Nd2 Bd7 (20...Qf4 21.c4+-) 21.Nf3 Qb6 22.Ba3 a6 23.ba6 (23.Qe1 ab5 24.ab5 Qa5+- (24...Bb5?? 25.Qb4 0-0-0 26.Bb5+-)) 23...ba6 24.Qd2 h6 25.a5 Qc6? (better is 25...Qb7+-) 26.Qb4 (26.Qb4 Kd8 27.Rc1+-) 1–0. Heindrich,Janos – Magyar,Andras, Spata, 1998.

7.Be2 e5+=.

7.Be2 Nf8 8.d4 (8.0-0 Ng6=) 8...Ng6 (8...N8d7 9.0-0=) 9.0-0 Bd7 (9...0-0 10.Nbd2=) 10.c4 (10.Ba3 Qc7+=) 10...dc4= 11.Na3 (better is 11.Bc4!? Rc8 12.Bd3=) 11...Ba3-/+ 12.Ba3 cb5 13.ab5 (13.Qc2 ba4 14.Bc4 b5-/+) 13...Bb5 14.Nd2 Rc8 15.Qc2 Pawn c4, live or die! 15...Qc7 (15...Qd5!?-/+) 16.Rfc1= a6 17.Bc4 (17.Nc4 Bc4 18.Bc4=) 17...Bc4 (17...Kd8 18.Qd1 A) worse is 18...Bc4 19.Nc4 (19.Rc4?! Qd7=) 19...Qc4 20.Rc4 Rc4 21.Bc5+-; B) 18...Qd7=) 18.Nc4+= Ne7? (18...Qc4 19.Qc4 Rc4 20.Rc4 Kd7+/-) 19.Qb2 Qd7?? (19...0-0 20.Ne5 Nc6 21.Bf8 Kf8 22.Nc6 bc6 23.Ra6 Ng4+-) 20.Nd6 Kf8 (20...Qd6 21.Bd6 Rc1 22.Rc1+-) 21.Nc8 Qc8 (21...g6+-) 22.Rc8 Ne8 23.Re8! Ke8 (23...Ke8 24.Qb7) 24.Qb7 Rg8 (24...Kd8 25.Qe7 Kc8 26.Bd6 Rd8 27.Qc7) 25.Qe7 1–0. DEFFM – GuestRWVC, freechess.org, 2018.

8.Nc3 Ne5 (8...dc4 9.Bc4 e5 10.bc6 bc6 11.Qc2=) 9.Ne5= Be5 10.d4 Bd6 11.c5 Bc7 12.Bd3 e5 13.Be2 (13.0-0 e4 14.Be2 Bb8=) 13...Re8 14.h3 (14.0-0 Bf5=) 14...Ne4 (14...Qe7 15.0-0+=) 15.Ne4= de4 16.de5 (16.0-0 Qg5 17.Kh1 Qh4=) 16...Qg5+= 17.0-0?? (better is 17.g3+=) 17...Bh3–+ Threatening mate... how? (17...Be5?! 18.Be5 Re5 19.Kh1 Rc5 20.Qd4-/+) 18.g3 Bf1 19.Qf1 (19.Bf1 Rad8 20.Qc2 Be5–+) 19...Be5 20.Bd4 (20.Be5 Re5 21.bc6 bc6–+) 20...Re6 (better is 20...Bd4!? 21.ed4 Rad8 22.Qc1 Qc1 23.Rc1 Rd4 24.a5–+) 21.Rd1 Rae8 (21...Rd8 22.Bc4 Ree8 23.Qe2–+) 22.Qg2 (22.Bc4 R6e7–+) 22...Bd4 23.ed4 Rg6 24.Qh3 (24.Kf1 Qd5–+) 24...e3 25.f4 (25.Rd3 ef2 26.Kf2–+) 25...Qf4 (25...Qf4 26.g4 Qf2 27.Kh1 Ree6–+) 0–1. Kilpatrick,Robert – Bruges,WE, corr SCCA, 1978.

8.d4 c5 9.Be2 cd4 10.ed4 dc4 11.0-0 Qc7 12.Nbd2 c3 13.Rc1 Nd5 (worse is 13...cb2 14.Rc7 Bc7 15.Qc2+/-) 14.Qb3 Nc5 15.dc5 cb2 16.Qb2 Be7 17.Rfd1 Rd8 (worse is 17...Bc5 18.Ne4 b6 19.Bd3+=) 18.Ne4 f5 19.Ng3 Bc5 20.Nf5 b6 21.N5d4 Qd6 22.Qc2 h6 23.Bc4 Rf8 24.Ba2 Rf6 25.Bb1 g6 26.Qd2 Kg7 27.Rc4 Bd7 28.Nb3 Ba3 29.Qd3 Be8 30.Nbd2 Qe7 31.Ne4 Rf8 32.Nd4 Bb2 33.Nd6 Bd4 34.Ne8 Qe8 35.Qd4 Rf6 36.Be4 Rc8 37.Rdc1 Rc4 38.Rc4 (worse is 38.Qc4 Nf4+/-) 38...Qe7 39.Qe5 Qd8 40.g3 Kf7?? (better is 40...g5+-) 41.Bd5 Qd5 (41...ed5 42.Rc7 Kg8+-) 42.Rc7 Kg8 (42...Ke8 43.Qf6 Qd1 44.Kg2 Qd5 45.f3 Qd2 46.Kh3 Qd7 47.Qh8 Ke7 48.Qg7 Kd6 49.Rd7 Kc5 50.Qd4) 43.Qf6 1–0. gioco1b4 (2505) – papartel (2275), 2013.

8.d4 Ne4=.

8.Be2 cb5 9.cb5 a6 A) 10.d4 ab5 11.Bb5 (11.ab5 Ra1 12.Ba1 Qc7 13.0-0 b6 14.Qd2 Ne4 15.Qb2) 11...Nb6 12.Ba3 Ba3 13.Ra3 Bd7 14.0-0 Bb5 15.ab5; B) 10.Nc3 e5 11.0-0 (11.Rc1 Nb6 12.ba6 ba6 13.d4 e4 14.Ne5 Nbd7 15.Nb1) 11...e4 12.Nd4 Be5 13.d3 Qc7 14.h3 Rd8 15.a5; C) 10.0-0 ab5 11.ab5 Ra1 12.Ba1 e5 13.Qc2 Qe7 14.Bc3 (14.Bb2 Nb6 15.d4) 14...Nb6 15.Ba5; D) 10.ba6 ba6 11.Ba3 Ba3 12.Na3 (12.Ra3 Rb8 13.d4 Qa5 14.Nbd2 Ne4 15.Qc2) 12...Nc5 13.Qc2 (13.Nb1 Qa5 14.Ne5 Ncd7 15.Nf3) 13...Qa5 14.Nb1 Rb8 (14...Nce4 15.0-0) 15.0-0; E) 10.Ba3 Ba3 11.Ra3 ab5 12.Bb5= (12.ab5 Ra3 13.Na3 e5 14.0-0 e4 15.Nd4) 12...Nb6 13.Qb3 Bd7 14.d3 Qc7 15.0-0.

8.Be2 cb5 9.cb5 e5 A) 10.Ba3 Ba3 11.Ra3 d4 12.Qc2 Re8 13.ed4 e4 14.Ng1 (14.Ng5 h6 15.Nh3) 14...Nf8 (14...Nd5 15.d3) 15.Bc4; B) 10.Qc2 e4 11.Nd4 Ne5 12.0-0 Bg4 (12...Be6 13.Nc3 Rc8 14.a5 Nc4 15.Bc4) 13.f3 Rc8 14.Nc3 ef3 15.Nf3; C) 10.0-0 Qa5 11.Ba3 (11.Qc2 e4 12.Nd4 Nc5 13.Rc1 Bd7 14.Nb3 Nb3 15.Qb3) 11...Ba3 12.Ra3 e4 13.Nd4 Nb6 (13...Nc5 14.Qc2 Ne6 15.Nf5) 14.d3 Bd7 (14...Nbd7 15.Qd2) 15.Qd2; D) 10.d3 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.Qc2 Nb6 15.Nc3; E) 10.d4 e4 11.Nfd2 Nb6 12.a5 Nbd7 13.Nc3 Re8 (13...Bc7 14.Qa4 Nb8 15.Nb3) 14.0-0 (14.Qa4 Nf8 15.0-0) 14...Qc7 15.h3= (15.Qb3).

8.Be2 cb5 9.cd5 A) 9...Nd5 10.ab5 e5 11.Nc3 Nc3 12.dc3 Nc5 13.Ba3 Qc7 14.0-0 (14.Qc2 e4 15.Nd2) 14...e4 15.Nd2; B) 9...e5 B1) 10.Bb5 e4 11.Nd4 Nd5 12.d3 Qg5 13.0-0 Ne5 14.Kh1 (14.Qd2 Qh6 15.h3) 14...Bg4 (14...Nd3 15.Bd3) 15.Qb3; B2) 10.ab5 Nd5 11.Nc3 Nc3 12.dc3 Qe7 (12...Nc5 13.Ba3 Qc7 14.0-0 e4 15.Nd2) 13.0-0 (13.Qc2 Rd8 14.e4 Nc5 15.Bc1) 13...Rd8 14.e4 Nc5 15.Qb1.

8.Be2 Nb6 9.d3 A) 9...dc4 10.dc4 Bb4 11.Nbd2 Ne4 12.Qc2 Nd2 13.Nd2 cb5 14.ab5 a6 (14...Qc7 15.0-0) 15.c5; B) 9...cb5 10.ab5 (10.cb5 Nbd7 11.0-0 a6 12.Ba3 Ba3 13.Na3 e5 14.d4 e4 15.Nd2) 10...dc4 (10...a5 11.0-0 a4 12.Bd4 dc4 13.dc4 Nfd7 14.Nc3 a3 15.Bg7) 11.dc4 Bb4 (11...Qe7 12.0-0 e5 13.Nbd2 Rd8 14.Qc2 Nbd7 15.Rfd1) 12.Nbd2 Ne4 13.Qc2 Nd2 14.Nd2 Qd6 (14...a5 15.Bd3) 15.Bc3= (15.Rd1).

8.Be2 dc4 A) 9.bc6 bc6 10.Bc4 e5 (10...Nb6 11.Be2 Rb8 12.0-0 Qe7 13.Be5 c5 14.a5 Nbd7 15.Bd6) 11.d3 Rb8 12.Qc2 Re8 13.0-0 (13.Nbd2 Nb6 14.0-0 Nfd5 15.a5) 13...Nb6 14.Nbd2 Nfd5 15.a5; B) 9.Na3 B1) 9...Ba3 10.Ra3 cb5 11.ab5 Nb6 12.d3 cd3 13.Bd3 Nbd5 14.0-0 Qe7 15.Qd2; B2) 9...cb5 10.ab5 c3 11.Bc3 e5 12.Nc4 Qe7 13.0-0 Re8 14.Nd6 (14.Qc2 a6 15.e4) 14...Qd6 15.Qc2; B3) 9...c3 10.Bc3 (10.dc3) 10...Nb6 11.bc6 bc6 12.0-0 Ne4 13.Bb2 (13.Be5) 13...a5 (13...Rb8 14.Qc2 Nc5 15.Be5) 14.Qc2 f5 (14...Nc5 15.Nc4) 15.Rfb1+= (15.Nc4); B4) 9...Nb6 B41) 10.a5 c3 11.dc3 Nbd5 12.0-0 (12.Nc4 Be7 13.bc6 bc6 14.0-0 Rb8 15.Qc2) 12...Ne4 13.Qc2 f5 14.c4 Ndf6 15.Nb1; B42) 10.Nc4 Nc4 11.Bc4 cb5 (11...Nd5 12.0-0 Nb6 13.Be2 cb5 14.ab5 a5 15.d4) 12.ab5 a5 13.0-0 b6 14.d3 Bb7 15.e4; B43) 10.bc6 bc6 11.a5 c3 12.Bc3 Nbd5 13.Nc4 Bc7 14.Be5 Ba6 15.Bc7= (15.Qc2).

8.Be2 c5 9.0-0 b6 10.d4 Bb7 11.Nbd2 Qe7 12.Nb3 a5 13.ba6 Ba6=+ 14.cd5 ed5 15.Ba6 Ra6 16.dc5 bc5 17.Qc2 Rb8 18.Rfb1 Rba8 19.a5 Nb8 20.Ng5 g6 21.h3 Nc6 22.Bc3 h6=+ 23.Nf3 Ne4 24.Be1 Ne5 25.Nfd2=+ f5 26.Ne4 fe4-/+ 27.Bc3 Kh7 28.Nd2 Qg5 29.Rb7 Kg8 30.Qb3 Nf3 31.Nf3 ef3 32.Rg7 Kf8=+ 33.g3?? Bg3!–+ 34.Kf1 Bf2! 35.Kf2 Qg2 (36.Ke1 Qe2#) 0–1. Langaditis,Sevastianos – Greive,Burkhard, NRW–chT, 1992.

8.Be2 Qc7 9.bc6 A) 9...Qc6 10.cd5 (10.Na3 e5 11.Rc1 a6 12.cd5 Qd5 13.Nc4 Bc7 14.Ba3 Rd8 15.Nb2) 10...Nd5 11.Na3 Bb4 12.Rc1 Nc5 13.Bb5 Qd6 14.0-0 a6 15.d4; B) 9...bc6 10.cd5 ed5 11.0-0 Rb8 12.Qc2 Re8 13.d4 Ng4 14.h3 Ngf6 15.Rc1.

8.Be2 Qc7 9.d4 dc4 (9...Bb4 10.Nbd2 cb5 11.cb5 Ne4 12.0-0 Nd2 13.Nd2 a6 14.Ba3 Ba3 15.Ra3) 10.Bc4 Nb6 11.Bd3 cb5 12.ab5 Nc4 13.Qc2 Nb2 14.Qb2 Bb4 (14...a5 15.0-0) 15.Nbd2.

8.Be2 Qc7 9.cd5 A) 9...cd5 A1) 10.d4 a6 (10...Re8 11.Nbd2 a6 12.0-0 b6 13.Bd3 ab5 14.ab5 Bb7 15.Qe2) 11.Ba3 e5 12.Bd6 Qd6 13.ba6 ba6 14.de5 Ne5 15.Nbd2; A2) 10.Nc3 Qa5 (10...e5 11.Rc1 Qb8 12.d4 e4 13.Nd2 a5 14.Qb3 Nb6 15.Ba3) 11.0-0 e5 12.Ba3 Ba3 13.Ra3 e4 14.Nd4 Nc5 15.d3; B) 9...ed5 10.0-0 Ng4 11.h3 Nge5 12.Ne5 Ne5 13.bc6 bc6 14.d4 Nc4 15.Bc4; C) 9...Nd5 C1) 10.d4 cb5 11.ab5 N7f6 (11...Rd8 12.0-0 a6 13.Qd3 Qb6 14.Ba3 Nb4 15.Qb3) 12.Ba3 Ba3 (12...Bd7 13.0-0 Rfc8 14.Qd3 Nb4 15.Bb4) 13.Ra3 Bd7 14.Ne5 a6 (14...Rfc8 15.0-0) 15.ba6; C2) 10.Qc2 e5 11.bc6 (11.0-0 N7f6 12.d3 Be6 13.Nbd2 Rfc8 14.Nc4 cb5 15.ab5) 11...Nb4 12.Qd1 (12.Qc3 Nc6 13.Na3 Bb4 14.Qc2 Nc5 15.0-0) 12...Qc6 13.Nc3 Rd8 (13...Be7 14.0-0 Rd8 15.Qb1) 14.0-0 Nc5 15.d4; C3) 10.0-0 C31) 10...cb5 11.ab5 e5 12.e4 Nf4 13.d4 Rd8 (13...ed4 14.Bd4 Rd8 15.Nc3) 14.Nbd2 ed4 15.Bd4; C32) 10...e5 11.bc6 (11.e4 Nf4 12.d4 ed4 13.Bd4 Rd8 14.Ra2 Nc5 15.e5) 11...Qc6= 12.Bb5 Qc7 13.e4 N5f6 14.d4 ed4 15.Qd4; C4) 10.bc6 Qc6 11.Na3 (11.Nc3 Nc3 12.Bc3 e5 13.Rc1 Qd5 14.d4 e4 15.Ne5) 11...Nc5 12.Nb5 Be7 13.0-0 (13.Ne5 Qb6 14.0-0 f6 15.Nc4) 13...a6 14.d4 Ne4 15.Bd3+= (15.Qb1).

8.Be2 Qc7 9.h3 e5+= 10.d3 (10.cd5 Nd5 A) 11.bc6 bc6 12.Nc3 Rb8 13.Rb1 N7f6 14.0-0 Bf5 (14...e4 15.Nd4) 15.d3; B) 11.Nc3 Nc3 12.Bc3 cb5 13.ab5 e4+= 14.Nd4 Nb6 (14...Nf6 15.0-0) 15.0-0; 10.d4 dc4 11.bc6 bc6 12.Bc4 e4 13.Nfd2 Rb8 14.Qc2 Nb6 15.Ba3; 10.Nc3 dc4 11.Qc2 a6 (11...Rd8 12.Bc4 Nc5 13.d4 ed4 14.Nd4 Be5 15.0-0) 12.ba6 b6 13.Bc4 Ba6 14.Ba6 Ra6 15.0-0; 10.Na3 e4 11.Nd4 Ne5 12.cd5 c5 13.Nb3 Nd5 14.Rc1 b6 15.d4) 10...Re8 (10...dc4 11.dc4 e4 (11...Rd8 12.0-0 e4 13.Nfd2 Bh2 14.Kh1 Be5 15.Qc2) 12.Nfd2+= Rd8 (12...Ne5 13.Nc3 Rd8 14.Qb1 Bf5 15.g4) 13.Qc2 Be5 14.Be5 (14.0-0 Nc5 15.Be5) 14...Qe5 15.Nc3) 11.Ba3 (11.0-0 dc4 12.dc4 Nc5 13.Qc2 cb5 14.cb5 (14.ab5 a6 15.Nc3) 14...Be6 15.Nbd2= (15.a5)) 11...c5 (11...Ba3 12.Na3 e4 13.bc6 bc6 14.Nd4 c5 15.Ndb5) 12.0-0 (12.cd5 Nd5 13.0-0 a6+= (13...N7f6 14.Qc2 b6 15.Nbd2) 14.ba6 b6 15.Bb2) 12...e4 (12...dc4 13.dc4 Rd8 (13...e4 14.Nfd2 Be5 15.Ra2) 14.Nfd2 Nf8 15.Nc3) 13.de4 de4 14.Nfd2 Ne5 (14...Bh2 15.Kh1+= Be5; 14...Be5 15.Ra2) 15.Qc2= (15.Nc3=) 15...Bf5 16.Nc3 Rad8 17.Rad1 Qc8 (17...Qe7 18.Bb2+=) 18.Bb2 (better is 18.Nde4 Ne4 19.Ne4=) 18...Bh3?? (better is 18...Nf3! 19.Kh1 Nh4+=) 19.Nce4 (19.gh3? Qh3 20.f4 Nfg4–+ (20...Qe3?! 21.Rf2 Nd3 22.Nde4 Nf2 23.Nf2–+); 19.Nde4?! Bf5 20.Nf6 gf6+/-) 19...Ne4? (better is 19...Bf5 20.Nf6 gf6+=) 20.Qe4?? (20.Ne4 Bg2 A) 21.Nd6? Qh3 22.f3 Bf1 23.Bf1 Nf3 24.Kf2 Qh2 25.Bg2 Nh4–+ (25...Rd6?! 26.Rd6 Qg2 27.Kg2 Ne1 28.Kf2 Nc2 29.e4–+); B) 21.Kg2+-) 20...Bf5-/+ 21.Qh4 Nd3 (21...Bc2!?-/+) 22.Bc3+= Re6 23.g3 (23.e4 Nf4 24.Bf3-/+) 23...Rh6-/+ 24.Qg5 f6 (24...Bf8!? 25.e4 Bh3-/+) 25.Bf6+= Rf6 26.Nf3?? (26.Bd3 Bd3 27.Qd5 Kh8 28.Qd3 Bg3 29.Qe4-/+) 26...Nf2! 27.Rf2 (27.Rf2 Rg6; 27.Kf2 Rg6) 27...Bg3?? (better is 27...Rg6 28.Qh5 Rg3 29.Rg2 Rg2 30.Kg2 Bg6 31.Qd5 Bf7-/+) 28.Rd8+/- (worse is 28.Qg3 Rd1 29.Bd1 Rg6-/+) 28...Qd8 29.Rg2 (29.Qg3? Rg6 30.Qg6 Bg6–+) 29...Qc7 (better is 29...Qe7!? 30.Qg3 Qe3 31.Kf1 g6+/-) 30.Qg3+- (30.Rg3 Rg6 31.Qf5 Qg3 32.Kf1 Qg2 33.Ke1 Rf6 34.Qd5 Rf7+-) 30...Qa5?? (30...Qe7 31.Nd2 Rg6 32.Qb8 Kf7+-) 31.Qg7 1–0. hal1958 – taroak, playchess.de, 2003.

8.Be2 e5 9.c5 A) 9...Bc7 10.d4 (10.Qc2 Qe7 11.d4 ed4 12.Nd4 Ba5 13.Nc3 Qe4 14.bc6 bc6 15.Qe4; 10.bc6 bc6 11.Qc2 Rb8 12.d4 Ba5 13.Nfd2 Qe7 14.0-0 Re8 15.Ra3) 10...ed4 11.ed4 Ne4 12.0-0 Qf6 13.Qc2 Re8 14.Bd3 Ba5 15.Nbd2; B) 9...Bc5 B1) 10.Ne5 Ne5 11.Be5 Re8 12.Bf4 d4 13.Qc2 (13.bc6 Nd5 14.cb7 Bb7 15.Bg3) 13...Qd5 14.Bf3 Bf5 15.Bd5; B2) 10.bc6 bc6 11.Ne5 Ne5 12.Be5 Re8 13.Bf4 Bf5 14.0-0 (14.Qc1 Nd7 15.0-0) 14...d4 15.Qc1.

8.Be2 e5 9.d3 A) 9...Bb4 10.Bc3 (10.Nc3 dc4 11.dc4 Qa5 12.Qc2 Ne4 13.Rc1 Ndc5 14.0-0 Bf5 15.Nh4; 10.Nfd2 dc4 11.dc4 cb5 12.ab5 Qc7 13.0-0 Rd8 14.Qc2 a5 15.Rd1; 10.Nbd2 dc4 11.dc4 Qa5 12.0-0 e4 13.Nd4 c5 14.N2b3 Qc7 15.Nc2) 10...Bc3 11.Nc3 dc4 (11...Qa5 12.Qd2 dc4 13.dc4 a6 14.bc6 bc6 15.0-0) 12.dc4 Qa5 13.Qd2 a6 (13...Nc5 14.Ne4 Qd2 15.Ned2) 14.Rd1 ab5 15.ab5; B) 9...Qc7 10.cd5 (10.Nbd2 e4 11.de4 de4 12.Ng5 Be5 13.Qc2 Nc5 14.bc6 Bb2 15.Qb2) 10...cd5 11.Nbd2 a6 12.ba6 ba6 13.Rc1 Qb6 14.Bc3 Rb8 15.a5; C) 9...dc4 C1) 10.bc6 bc6 11.dc4 Qc7 12.Nc3 Rb8 (12...Rd8 13.Qc2 Nc5 14.Ba3 Rb8 15.0-0) 13.Qc2 (13.Ba3 Ba3 14.Ra3 Nc5 15.Qc2) 13...e4 14.Nd2 Nc5 (14...Re8 15.Ba3) 15.Ba3; C2) 10.dc4 Qc7 11.Nfd2 (11.Qc2 Rd8 12.Nbd2 cb5 13.ab5 Nc5 14.0-0 a5 15.b6) 11...Nc5 12.0-0 Bf5 (12...Rd8 13.a5 Bf5 14.Bc3 cb5 15.cb5) 13.f4 Rfd8 (13...Rad8 14.Ra2 ef4 15.Bf6) 14.Ra2 ef4 (14...Nce4 15.Ne4) 15.Bf6.

8.Be2 e5 9.cd5 A) 9...Nd5 10.Nc3 (10.bc6 bc6 11.Qc1 Bb7 12.Nc3 Nc5 13.Qc2 Nb4 14.Qb1 Ba6 15.Ba6) 10...Nc3 11.dc3 Qf6 12.Ba3 Nc5 13.Bc5 Bc5 14.Bd3 Bg4 (14...cb5 15.ab5) 15.Qc2; B) 9...cb5 B1) 10.ab5 e4 (10...Nd5 11.Nc3 Nc3 12.dc3 Qe7 13.Qc2 Rd8 14.e4 a5 15.0-0) 11.Nd4 Nd5 12.Nc3 N7f6 13.0-0 Nc3 14.Bc3 Nd5 15.f4; B2) 10.Bb5 e4 11.Nd4 Nd5 12.d3 Qg5 13.0-0 Ne5 14.Kh1 Bg415.Qb3; C) 9...e4 10.Nd4 c5 11.Nf5 Be5 12.Nc3 Nb6 13.d4 ed3 14.Qd3 Nfd5 15.Nd5; D) 9...cd5 D1) 10.Ba3 Nb6 11.d4 e4 12.Nfd2 Ba3 (12...Be6 13.Bd6 Qd6 14.a5 Nbd7 15.Ra3) 13.Na3 Be6 14.a5 Nbd7 15.Nc2; D2) 10.0-0 Qc7 (10...Qa5 11.Ba3 Ba3 12.Ra3 e4 13.Nd4 Ne5 14.Rc3 Bd7 15.f4) 11.Ba3 d4 12.Bd6 Qd6 13.Qc2 Nc5 (13...Re8 14.Ra3 Nb6 15.a5) 14.Rc1 b6 15.ed4; D3) 10.Qc2 e4 (10...a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Qe7 14.Rc1 e4 15.Nd4) 11.Nd4 Ne5 (11...Nc5 12.0-0 Bd7 13.Nc3 Rc8 14.a5 Qc7 15.f4) 12.f4 (12.0-0 Be6 13.f4 ef3 14.Nf3 Rc8 15.Nc3) 12...Ng6 (12...ef3 13.Nf3 Nf3 14.Bf3 Ng4 15.Bd5) 13.Nc3 Bc5 14.Nd1 Bd4 15.Bd4; D4) 10.d3 a6 (10...Qa5 11.Qd2 Qc7 12.Na3 Nc5 13.Rc1 Qe7 14.Qd1 Ncd7 15.Nb1) 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Qc7 (13...Re8 14.Qd2 Nb6 15.Rc1) 14.Qc1 Qb8 15.h3; D5) 10.d4 e4 11.Nfd2 Nb6 12.a5 Nbd7 13.Nc3 Re8 14.0-0 Qc7 15.h3= (15.Qb3).

8.c4 A) 8...Ne4 A1) 9.c5 Be7 (9...Bb8 10.Bd3 e5 11.0-0 ed4 12.ed4 Re8 13.Re1 Ndf6 14.Nbd2) 10.Bd3 e5 11.0-0 Re8 (11...ed4 12.ed4 Re8 13.Nbd2 f5 14.Re1) 12.Nbd2 (12.Re1 Nf2 13.Kf2 e4 14.Bc2) 12...Nd2 13.Nd2 e4 14.Be2; A2) 9.Bd3 Bb4 10.Nbd2 cb5 (10...Nd2 11.Nd2 dc4 12.Bc4 c5 13.Qc2 cd4 14.Bd4) 11.cb5 e5 12.0-0 (12.de5 Ndc5 13.Be2 Nd2 14.Nd2) 12...Nd2 13.Nd2 e4 14.Be2; A3) 9.Nbd2 Nd2 10.Nd2 Re8 11.bc6 bc6 12.Bd3 (12.Qc2 Rb8 13.Bd3 Qg5 14.0-0) 12...e5 13.cd5 cd5 14.Bb5; B) 8...dc4 9.Bc4 (9.bc6 bc6 10.Bc4 Rb8 11.Qc2 c5 12.0-0 cd4 13.Nd4 Bb7 14.Nb5) 9...cb5 (9...Nb6 10.Bd3 cb5 11.ab5 a6 12.0-0 ab5 13.Ra8 Na8 14.e4) 10.ab5 Qc7 (10...Nb6 11.Bd3 a6 12.0-0 ab5 13.Ra8 Na8 14.e4) 11.Nbd2 Nb6 12.Bd3 a5 13.Ba3 Rd8 (13...a4 14.0-0) 14.Bd6; C) 8...Bb4 9.Bc3 (9.Nbd2 Qe7 10.bc6 bc6 11.Bd3 c5 12.0-0 cd4 13.ed4 Rb8 14.Rc1) 9...Be7 10.Bd3 dc4 11.Bc4 Nb6 12.Bd3 cb5 13.ab5 a6 14.ba6; D) 8...Be7 9.Nbd2 (9.Nc3 Qa5 10.Bd3 Bb4 11.Qb3 dc4 12.Bc4 Nd5 13.Rc1 N5b6 14.0-0; 9.c5 e5 10.Be2 ed4 11.ed4 Ne4 12.0-0 Re8 13.Bd3 Qa5 14.Qc2; 9.cd5 Nd5 10.e4 Nb4 11.Nc3 c5 12.Rc1 Qb6 13.Nb1 Qa5 14.Nbd2; 9.Qc2 cb5 10.ab5 dc4 11.Bc4 Nb6 12.Be2 Bd7 13.0-0 Qb8 14.Rc1; 9.bc6 bc6 10.Nbd2 Rb8 11.Ba3 c5 12.Rc1 cd4 13.Be7 Qe7 14.Nd4) 9...c5 10.Be2 cd4 11.Bd4 Bd6 12.0-0 e5 13.Bb2 e4 14.Nd4; E) 8...Qc7 9.c5 (9.Nbd2 b6 10.Rc1 Bb7 11.cd5 Nd5 12.e4 Nb4 13.Qb3 Rfc8 14.Ba3; 9.bc6 Qc6 10.c5 Be7 11.Bb5 Qc7 12.a5 Nb8 13.Bd3 Nc6 14.Bc3; 9.Nc3 dc4 10.Bc4 c5 11.Rc1 Rd8 12.Nb1 cd4 13.Bd4 Bb4 14.Nbd2; 9.cd5 ed5 10.Bd3 Re8 11.0-0 a6 12.bc6 bc6 13.Qc2 c5 14.dc5) 9...Be7 10.bc6 bc6 11.Bd3 Rb8 12.Qc2 Ba6 13.Ba6 Qa5 14.Nc3; F) 8...c5 F1) 9.dc5 Nc5 10.cd5 (10.Be2 dc4 11.0-0 Nd3 12.Bc3 Ne4 13.Bd4 Nef2 14.Rf2) 10...Nd5 11.Bc4 Qa5 12.Qd2 Nb4 (12...Nd3 13.Bd3 Bb4 14.Nc3) 13.0-0 Rd8 14.Qc3; F2) 9.Be2 cd4 10.Qd4 (10.Nd4 Bb4 11.Nc3 e5 12.Nc2 Bc3 13.Bc3 Qc7 14.0-0) 10...e5 11.Qh4 Bb4 12.Bc3 Bc3 13.Nc3 Qa5 14.Rc1; F3) 9.Nc3 Qa5 10.cd5 (10.Qd2 cd4 11.Nd4 Bb4 12.Qc2 Nc5 13.Kd1 Nfe4 14.Rc1) 10...ed5 11.dc5 Nc5 12.Rc1 Qb4 13.Ba1 Nfe4 14.Nd4; F4) 9.Nbd2 cd4 10.Nd4 e5 11.N4f3 e4 12.Nd4 Nc5 (12...dc4 13.Rc1 Ne5 14.Nc4) 13.Be2 Bg4 14.f3; F5) 9.Ra2 Ne4 (9...cd4 10.Qd4 e5 11.Qh4 a6 12.ba6 ba6 13.Be2 Bb7 14.0-0) 10.Nbd2 (10.dc5 Ndc5 11.cd5 ed5 12.Be2 Qa5 13.Nbd2 Be6 14.0-0) 10...Qa5 11.cd5 ed5 12.dc5 Ndc5 13.Be2 Be6 (13...Bg4 14.0-0) 14.0-0; F6) 9.cd5 Nd5 (9...ed5 10.dc5 Nc5 11.Be2 Bf5 12.0-0 Rc8 13.Nc3 Be6 14.Rc1) 10.Nc3 Nc3 (10...Re8 11.Ne4 Be7 12.Rc1 cd4 13.Qd4 Qa5 14.Nfd2) 11.Bc3 Qe7 (11...Qf6 12.Rc1 Qe7 13.a5 Rd8 14.Bc4) 12.Rc1 (12.a5 Rd8 13.Bc4 cd4 14.Qd4) 12...Rd8 13.Be2 a6 14.ba6= (14.a5).

8.Nbd2 A) 8...a6 9.c4 (9.Bd3 c5 10.dc5 Nc5 11.0-0 Bd7 12.Be2 b6 13.c4 ab5 14.ab5; 9.Be2 c5 10.dc5 Nc5 11.c4 b6 12.cd5 Nd5 13.Nc4 Bb7 14.0-0) 9...c5 10.cd5 ed5 11.dc5 Nc5 12.Be2 Re8 (12...Qe7 13.0-0 Bg4 14.h3) 13.0-0 Qe7 14.a5; B) 8...c5 9.dc5 (9.Be2 cd4 10.ed4 Ne4 11.Ne4 de4 12.Nd2 Nf6 13.Nc4 Bf4 14.g3) 9...Nc5 10.Be2 Nce4 (10...Qe7 11.c4 Rd8 12.cd5 Nd5 13.0-0 e5 14.Nc4) 11.0-0 Qc7 12.c4 Ng4 13.g3 Ngf6 14.Rc1; C) 8...Re8 9.Be2 (9.Bd3 c5 10.dc5 Nc5 11.Be5 Be5 12.Ne5 Qc7 13.f4 a6 14.0-0) 9...Qc7 (9...c5 10.0-0 cd4 11.ed4 Qc7 12.Re1 Ne4 13.Bd3 Nc3 14.Bc3) 10.c4 dc4 11.Nc4 Bb4 12.Ncd2 cb5 13.ab5 Rd8 (13...Nd5 14.0-0) 14.Qb3; D) 8...Qa5 9.c4 (9.Bd3 c5 10.dc5 Nc5 11.Bf6 gf6 12.0-0 Rd8 13.Nd4 Nd3 14.cd3) 9...c5 10.dc5 Bc5 11.Bd3 dc4 12.Bc4 Rd8 13.0-0 Bb4 14.Nb3; E) 8...a5 9.c4 (9.Bd3 c5 10.dc5 Nc5 11.0-0 Qe7 12.Be5 Rd8 13.Nb3 Nce4 14.Bd6; 9.Be2 Nb6 10.0-0 Re8 11.bc6 bc6 12.c4 dc4 13.Nc4 Nc4 14.Bc4) 9...Bb4 10.cd5 ed5 11.Bd3 c5 12.dc5 Nc5 13.Be2 Bg4 14.0-0; F) 8...Nb6 9.Bd3 (9.Be2 Bd7 10.Ba3 Ba3 11.Ra3 Qe7 12.Qa1 Rfc8 13.0-0 cb5 14.ab5; 9.bc6 bc6 10.Bd3 Rb8 11.Ba3 Ba3 12.Ra3 Qd6 13.Qa1 c5 14.dc5) 9...cb5 10.ab5 a6 11.ba6 ba6 12.Ba3 Ba3 13.Ra3 Qd6 14.Qa1; G) 8...Qe7 G1) 9.Bd3 c5 10.dc5 Nc5 11.Be5 Nfd7 (11...Be5 12.Ne5 Qc7 13.f4 a6 14.0-0) 12.Bd6 Qd6 13.0-0 e5 14.Be2; G2) 9.c4 c5 10.cd5 cd4 11.Bd4 e5 12.Bc3 e4 13.Nd4 Nb6 14.Bb2+= (14.Be2); G3) 9.Be2 c5 10.0-0 c4 11.e4 Ne4 12.Ne4 de4 13.Nd2 Rd8 14.Nc4= (14.Re1).

8.Bd3 Qa5 9.Nbd2 c5 10.dc5 Nc5 11.Bf6 gf6 12.0-0 Rd8 13.Nd4 Nd3 14.cd3.

8.Bd3 a6 A) 9.Nbd2 c5 10.dc5 Nc5 11.0-0 Bd7 (11...Nd3 12.cd3 Qe7 13.e4 de4 14.de4) 12.Be2 b6 13.Nc4 (13.c4 ab5 14.ab5) 13...Be7 14.Nce5; B) 9.Ba3 Ba3 10.Na3 Qa5 11.Qd2 Qa4 12.ba6 b5 13.0-0 Qa6 14.Rfb1; C) 9.Nc3 e5 10.bc6 bc6 11.de5 Ne5 12.Ne5 Be5 13.Ra3 c5 14.Qd2; D) 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Qa5 (12...Nb6 13.Ne5 Qc7 14.Nd2) 13.Nc3 Nb6 14.Ne5.

8.Bd3 c5 9.dc5 Nc5 10.0-0 a6 11.Nbd2 Nd3 12.cd3 Qe7 (12...Nd7 13.e4 b6 14.e5) 13.e4 de4 14.de4.

8.Bd3 Qc7 9.c4 dc4 10.Bc4 cb5 11.Bb5 b6 12.Nbd2 Bb7 13.Rc1 Qd8 14.0-0 Ne4 15.Nc4 Bc7 (15...Bb4!?=) 16.Ba3+/- Ng5 17.Nfd2 (17.Bf8? Nf3 18.Kh1 Nh4-+) 17...Nf6 18.Bf8 a6 (18...Kf8 19.f4 Nge4 20.Ne5+-) 19.Bd6! Bd6 20.Nd6 Qd6 21.Bd3 e5 22.Nc4 Qc6 23.f3 ed4 24.ed4 b5 (24...Rd8+-) 25.Na5 Qd7 26.Nb7 Qb7 27.ab5 ab5 28.Rb1 Ne6 29.Rb5 Qa7 30.Qb1 Qd4 31.Kh1 g6 32.Rb4 Qe5 33.Re1 Qc3 34.Bc4 Nc5 35.Rc1 Qe5 36.Rb5 Nfd7 37.Re1 Qd4 38.Rb4 Qc3 39.Rc1 Qf6 40.Bb5 Nf8 41.Rbc4 (41.Rc5?! Ra1+/-) 41...Nce6 42.Rc8 Ra7 43.Bc4 Kg7 44.Re1 Re7 45.Qc1 h5 46.Rd1 h4 47.Qa3 h3 48.g3 Ng5 49.Bd5 Nfh7 50.Qb4 (50.Rc6 Qe5 51.Qc1+-) 50...Nf3+/- 51.Rf1?? (better 51.Rc2 Re5 52.Ra2+/-) 51...Re2-+ 52.Bf3 Rf2!! (52...Rf2 53.Kg1 Rf1 54.Kf1 Qf3 55.Ke1 Qh1 56.Kd2 Qh2 57.Kc3 Qg3 58.Kb2 h2-+) 0-1. onur604 (2320) - Roman221 (2275), Casual Rapid game, lichess.org, 2021.

8.Be2 A) 8...a6 A1) 9.Nbd2 c5 10.dc5 Nc5 11.0-0 b6 12.Nb3 Nb3 (12...Nce4 13.c4 Bb7 14.Nbd4) 13.cb3 Ne4 (13...Qe7 14.Qd4) 14.Rc1; A2) 9.c4 dc4 10.bc6 bc6 11.Nbd2 Rb8 12.Nc4 Bb4 13.Nfd2 c5 14.0-0; A3) 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Nb6 (12...Qa5 13.Nc3 Nb6 14.Ne5) 13.Ne5 (13.Nbd2 Qc7 14.Ne5) 13...Qc7 14.Nd2; B) 8...Qc7 B1) 9.0-0 Ng4 10.h3 Nh2 11.Nh2 Bh2 12.Kh1 Bd6 13.c4 dc4 14.Na3; B2) 9.c4 dc4 10.Bc4 cb5 (10...Nb6 11.Bd3 cb5 12.ab5 Nc4 13.Qc2 Nb2 14.Qb2) 11.Bb5 e5 12.Nbd2 e4 13.Rc1 Qb6 14.Ne5; B3) 9.Bd3 e5 10.de5 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.Nd2 Bg4 14.Qb1; B4) 9.Ba3 c5 10.c4 dc4 11.Bc4 e5 12.dc5 Nc5 13.Nbd2 Bf5 14.Rc1; B5) 9.Nbd2 a6 10.c4 dc4 (10...b6 11.0-0 ab5 12.cd5 Nd5 13.ab5 Ra1 14.Qa1) 11.bc6 Qc6 12.Nc4 Bb4 13.Ncd2 b6 14.Qb3; C) 8...Ne4 9.0-0 cb5 10.ab5 a6 11.ba6 ba6 12.Ba3 Nb6 13.Bd3 Bb7 14.Nfd2; D) 8...c5 9.dc5 (9.0-0 cd4 10.ed4 Re8 11.Nbd2 Qc7 12.Re1 a6 13.Bd3 b6 14.Qe2) 9...Nc5 10.0-0 a6 11.c4 b6 12.Nc3 dc4 13.Bc4 Qe7 14.Nd4; E) 8...Qa5 E1) 9.Qd2 Qc7 10.0-0 c5 11.c4 cd4 12.Qd4 e5 13.Qh4 e4 (13...dc4 14.Rc1) 14.Nfd2; E2) 9.Bc3 Qc7 10.0-0 a6 11.bc6 Qc6 (11...bc6 12.Nbd2 Rb8 13.Nb3 Nb6 14.Bd3) 12.Bd3 Ne4 13.Qe1 Nc3 14.Qc3; E3) 9.Nbd2 Ne4 10.c4 (10.0-0 Nc3 11.Bc3 Qc3 12.Rc1 Nb6 13.Ra1 cb5 14.ab5) 10...Bb4 11.bc6 bc6 12.Qc2 (12.Ba3 Ba3 13.Ra3 Nc3 14.Qc2) 12...Rd8 13.Bd3 (13.Bc1 e5 14.cd5) 13...Rb8 14.Ba3.

7.Nf3 0-0 8.a5=+.

7.Nf3 Qc7 8.c4 0-0+= 9.Na3 (9.a5 cb5 10.cd5 Nd5 11.Bb5 Bb4+=) 9...Rd8 (9...e5 10.Ne5 Ne5 11.Be5 Be5 12.fe5 Qe5 13.Be2+=) 10.Rc1 a6 11.bc6 bc6 12.cd5 ed5 13.Nd4 (13.Qc2 c5+=) 13...c5 14.Nf5 Rb8 15.Ba1 (15.Qc2 c4+=) 15...Bf8 16.Be2 c4 17.Nc2 Ne4 18.0-0 Qb6 (18...Qa5 19.d3 cd3 20.Bd3-/+) 19.d3+= cd3 20.Bd3 Ndc5 21.Ncd4 Nd3 22.Qd3 Bd7 23.Qc2 (23.Qd1 Qg6 24.Nh4 Qf6-/+) 23...Rdc8 24.Qa2 (24.Qe2 Ba4 25.Qa2 Rc1 26.Rc1 Bb3 27.Nb3 Qb3-/+) 24...Qa5 25.Ng3 (25.Rc8 Rc8 (worse is 25...Bc8 26.Nc6 Qd2 27.Nfe7 Be7 28.Ne7 Kf8 29.Qa3+/-) 26.Bb2 A) 26...Ba4?! 27.Ra1 Qb4 28.Rb1–+ (28.Qd5?? Qb2 29.Rf1 Nd2–+); B) 26...g6–+) 25...Qd2 (better is 25...Ng3 26.hg3 Re8–+ (26...Ba4?! 27.Nc6 Rc6 28.Rc6+=)) 26.Qd2+= Nd2 27.Rc8 Rc8 (27...Rc8 28.Rd1 Bb4-/+) 0–1. Michalek,Martin – Milde,Lars, TT–08 ETC, 2003.

7.Nf3 Qc7 8.bc6 bc6+= 9.d4 (9.Be2 Rb8 10.Ra2 e5 11.fe5 Ne5 12.Be5 Be5 13.Ne5 Qe5+=) 9...0-0 10.c4 (10.Bd3 Rb8 11.Ba3 c5+=) 10...Bb4 (10...Rb8 11.Qc2-/+) 11.Nbd2 (11.Bc3 Rb8+=) 11...Re8 (11...Ng4 12.Ke2-/+) 12.c5 (12.Ba3!? Ba3 13.Ra3+=) 12...Ng4 13.Qe2 a5 (13...Ndf6 14.Ng5-/+) 14.Ne5 Nge5 15.fe5 f6 16.ef6 Nf6 17.0-0-0 (17.Kd1 Bd2 18.Qd2 Ne4-/+) 17...Rf8 (17...e5 18.Qf2–+) 18.Nf3 (18.g4–+) 18...Ne4 (better is 18...Ng4!? 19.Rd3 Ba6–+) 19.Qc2-/+ Ba6 20.Ba6 Ra6 21.Kb1 (21.Rdf1 Rb8-/+) 21...Ra7–+ 22.Ka2 Rb7 23.Ba1 g5 (23...Qf7!?-/+) 24.Rhf1+= Rbb8 (24...Rf5 25.g4 Rf8 26.Ne5+=) 25.Ne5 h5 (25...Rf5!?+=) 26.Qe2= White gets the initiative 26...Qh7 27.Nc6 The passed pawn on c5 quickly leads to threats 27...Rf1 28.Rf1 (28.Nb8?? Rf2 29.Qf2 Nf2–+; 28.Qf1 Nc3 29.Kb3 Nd1 30.Qd1 Rb7–+) 28...Ra8 (28...Nd2!? 29.Rc1 Qd7=) 29.Ne5+/- Bd2 (better is 29...Nd2 30.Rc1 Ne4+/-) 30.Qf3 (better is 30.Qb5 Qc7 31.Rf7+/-) 30...Rb8= 31.Qf7 (31.Qd1!?=) 31...Qf7+= 32.Rf7 Rc8?? (better is 32...Rb4 33.Ra7 Ra4 34.Kb1 Be3 35.Ra8 Kg7 36.Ra7 Kf8 37.Ra8 Ke7 38.Ra7 Kd8 39.Nc6 Ke8+=) 33.Re7+- Be3 34.Re6 h4 (34...Rf8 35.c6+-) 35.Ng4 (35.Ra6 Bd2+-) 35...Bd2 (35...Bf4 36.Ra6+-) 36.Rb6 (36.Re7!? Rd8+-) 36...Kf7 (36...Kf8 37.Ra6+/-) 37.Kb3 (37.Ne5 Ke7+/-) 37...Bf4 (37...Ke7!?+/-) 38.Bc3+- Nc3 (38...Ra8 39.Rb5+-) 39.Kc3 Re8 40.Ne5 (better is 40.Rf6 Ke7 41.Ra6+-) 40...Be5+= 41.de5 Re5 42.Kd4 (42.Rd6 Ke7+=) 42...Re2= 43.Kd5 (43.Rb8 Ke7 44.Kd5 Rd2 45.Ke5 Rg2=) 43...Rg2 44.c6 Rd2 (44...Ke7 45.Rb8 Rd2 46.Kc5 Rc2 47.Kb6 Rb2 48.Ka7+/-) 45.Kc5+= Rh2 (45...Ke6 46.Rb8 Rc2 47.Kb6 Rb2 48.Ka7+/-) 46.c7 Rc2 47.Kd6 h3 48.Kd7 Kg7 49.Rb3 (49.Rb2 Rb2 50.c8Q h2 51.Qc3 Kg6 52.Qd3 Kg7+=) 49...Rd2= 50.Kc6 (50.Ke6 Re2 51.Kd6 Rd2 52.Ke7 Rc2=) 50...h2+= 51.Rh3 g4 52.c8Q Do you see the mate threat? 52...Rc2 53.Kb6 ½–½. Krumpholz,Wolfgang – Hunger,Fritz, corr JB'3090 DDR/M92, 1976.

7.Nf3 Qc7 8.bc6 Qc6 9.Bb5 Qc7=.

7.Nf3 Qc7 8.Be2 0-0=.

7.Nf3 Qa5 8.Nc3 Qb4 (8...Ndf6 9.Be2 Ng4 10.Ne4 de4 11.Bc3 Bb4 12.Bb4 Qb4 13.c3 Qd6) 9.Rb1 (9.Ra2) 9...cb5 (9...c5 10.Ne4 de4 11.Bg7 Bg7 12.Rb4 cb4 13.Ng5 Nf6) 10.Ne4 Qe4 11.Bd4 (11.ab5) 11...Qg6 12.Bb5 a6 13.Be2 (13.Bd3) 13...Bc5+= (13...Bd6).

7.Nf3 a6!?= A) 8.Be2 A1) 8...Be7 9.0-0 Bf6 10.Bf6 Qf6 11.Ra3 0-0 12.d3 Nd6 13.bc6 (13.d4 c5) 13...bc6; A2) 8...Bc5 9.Nc3 (9.0-0 0-0 10.Nc3 Ndf6 11.Ne4 Ne4 12.bc6 bc6 13.Ba3 Ba3) 9...ab5 (9...cb5 10.ab5 Be7 11.0-0 0-0 12.Ne4 de4 13.Nd4 Bf6) 10.ab5 Ra1 11.Qa1 Be7 12.Ne4 de4 13.Nd4 Qc7; A3) 8...cb5 9.ab5 Bb4 (9...Bc5 10.Nc3 Be7 11.0-0 0-0 12.Nd4 Nc3 13.Bc3 Qc7) 10.0-0 0-0 11.Bd4 Qc7 12.d3 (12.c3 Bc5 13.Bc5 Ndc5) 12...Nd6 13.c3 Bc5; A4) 8...Bd6 9.0-0 0-0 10.Nc3 cb5 11.ab5 f6 (11...Ndc5 12.d3 Nc3 13.Bc3 f6) 12.Ne4 (12.Qe1 Nc3 13.Bc3 e5) 12...de4 13.Nd4 Nb6; A5) 8...Bb4 9.0-0 0-0 10.d3 Nef6 (10...Nd6 11.c3 Bc5 12.d4 Bb6 13.c4 Nc4) 11.Ba3 Qa5 12.bc6 (12.Bb4 Qb4 13.bc6 bc6) 12...bc6 13.Bb4 (13.Ne5 Ba3) 13...Qb4; B) 8.Bd3 B1) 8...ab5 9.ab5 Ra1 10.Ba1 Be7 (10...Ndc5 11.Be2 Be7 12.0-0 0-0 13.Bd4 cb5) 11.Nc3 Ndc5 12.Be2 0-0 13.0-0 Nc3; B2) 8...Ndc5 9.Be2 Be7 10.0-0 0-0 11.Nc3 (11.d3 Nd6 12.bc6 bc6 13.Nd4 Bd7) 11...cb5 (11...Bd7 12.ba6 ba6 13.Ne4 Ne4) 12.ab5 Qc7 (12...Qb6 13.Qe1 Bd7) 13.Ne4 (13.Ra2 Rd8) 13...de4; C) 8.bc6 bc6 9.Ra2 Rb8 10.Nc3 Bb7 11.Ne4 de4 12.Ng5 (12.Ne5 Qh4 13.g3 Qd8) 12...c5 13.Qh5 Qe7; D) 8.ba6 ba6 9.Ra2 Rb8 10.Nc3 Ndc5 (10...Nef6 11.Be2 Bd6 12.0-0 0-0 13.Ba3 c5) 11.Ne4 Ne4 12.Be5 Ra8 13.Be2 f6; E) 8.Nc3 Be7 9.Ne4 de4 10.Nd4 ab5 11.ab5 Ra1 12.Qa1 Qb6 13.d3 c5.

7.Nf3 cb5 8.ab5 A) 8...f6 9.Nc3 (9.Be2 Qb6 10.0-0 Bc5 11.d4 Bb4 12.c4 a5 13.c5 Qc7) 9...Nc3 10.Bc3 Bd6 11.Nd4 Nc5 12.Qh5 g6 13.Qh4 (13.Qh6 e5) 13...0-0; B) 8...a6 9.Be2 Bb4 (9...Be7 10.0-0 0-0 11.Ne5 f6 12.Nf3 Qc7 13.Nc3 Nb6) 10.0-0 0-0 11.Bd4 Qc7 12.d3 (12.c3 Bc5 13.Qe1 a5) 12...Nd6 13.c3 Bc5; C) 8...Ndf6 9.Be2 Bc5 10.Bd4 (10.0-0 0-0 11.Bd4 Bd4 12.Nd4 Qc7 13.d3 Nd6) 10...Bd4 11.Nd4 0-0 12.0-0 a6 13.d3 (13.ba6 ba6) 13...Nc5; D) 8...Ndc5 9.Be2 Be7 10.Bd4 (10.0-0 0-0 11.Bd4 a5 12.d3 Nf6 13.Ne5 Bd7) 10...0-0 11.0-0 a5 (11...a6 12.d3 Nf6 13.Nbd2 Bd7) 12.Na3 (12.d3 Nf6 13.Nc3 Bd7) 12...Qc7 (12...Qb6 13.c4 Nd6) 13.c4 a4; E) 8...a5 9.Be2 Bc5 10.Nc3 Be7 (10...Nc3 11.Bc3 a4 12.Bg7 Rg8 13.Bb2 Rg2) 11.0-0 0-0 12.Na4 Bf6 (12...Nd6 13.Ra2 Ne4) 13.Bf6 (13.Bd4 Bd4) 13...Qf6; F) 8...Nb6 9.Bd4 Bd7 10.Be2 Nd6 11.Nc3 (11.Na3 Nf5 12.Bc3 Na4 13.Be5 f6) 11...Nf5 12.0-0 Nd4 13.Nd4 Qf6= (13...Bc5).

7.Nf3 c5 A) 8.Bd3 Be7 9.0-0 0-0 10.Nc3 Nc3 (10...Nd6 11.a5 Bf6 12.Be2 c4 13.Qb1 Nf5) 11.Bc3 a6 (11...Nf6 12.Be5 Ne4 13.c4 f6) 12.Qe1 c4 13.Be2 Nf6; B) 8.a5 c4 (8...Ndf6 9.Be2 c4 10.0-0 Qd7 11.Nd4 Bc5 12.Ba3 Bd4 13.ed4 a6) 9.Be2 (9.Nc3 Nef6 10.Ra4 Bd6 11.Be2 0-0 12.0-0 Qc7 13.d3 Nc5) 9...a6 (9...Bb4 10.0-0 Ba5 11.Bg7 Rg8 12.Bd4 Nd6 13.d3 Nb5) 10.b6 Bc5 11.d3 (11.0-0 0-0 12.Bd4 Nd6 13.d3 Nf5) 11...Bb4 12.Kf1 cd3 13.cd3 Nef6.

7.Nf3 Ndc5 A) 8.Nc3 Nc3 (8...f6 9.Be2 Nc3 10.Bc3 Ne4 11.Bb2 Bd7 12.bc6 bc6 13.Ra2 Rb8) 9.Bc3 Ne4 10.Bb2 Bd7 (10...f6 11.Be2 Bd7 12.0-0 Qa5 13.Bd4 Bd6) 11.Bd3 Be7 12.0-0 0-0 13.Ne5 f6; B) 8.Be2 B1) 8...Qa5 9.Nc3 (9.Bd4 Be7 10.0-0 0-0 11.d3 Nf6 12.Nc3 Ncd7 13.bc6 bc6) 9...Bd6 10.Ne4 (10.Nd4 0-0 11.0-0 Bd7 12.Qe1 Nc3 13.Bc3 Qc7) 10...Ne4 11.0-0 (11.bc6 bc6 12.Be5 Bc5 13.c3 0-0) 11...0-0 12.Be5 Be7 (12...Bc5 13.c3 f6) 13.bc6 bc6; B2) 8...cb5 9.ab5 Be7 10.0-0 0-0 11.Nd4 Qc7 12.Nc3 Nc3 13.Bc3 Ne4; B3) 8...Be7 9.0-0 0-0 10.Bd4 a6 (10...cb5 11.ab5 a6 12.d3 Nf6 13.Nbd2 Bd7) 11.d3 Nf6 12.Nc3 Bd7 13.bc6 Bc6.

7.Nf3 Bd6 8.Bg7+= Rg8 9.Bb2 (9.Bd4 c5 10.Bb2 c4 11.Nc3 Ndc5 (11...Nc3 12.Bc3 a6 13.ba6 Ra6) 12.Rg1 Nc3 13.Bc3 Ne4) 9...cb5 (9...Bb4 10.Rg1+/- Qb6 11.c3 Be7 (11...Bc5 12.Ba3 a6 13.Bc5 Qc5) 12.a5 Qc7 13.c4 Bb4) 10.ab5+/- e5? (better is 10...a5!?+/- 11.Nc3 (11.Rg1 a4 12.Na3 Qc7 13.Bd3 f6) 11...Nc3 (11...Ndc5 12.Ne4 de4 13.Ne5 Qh4) 12.Bc3 a4 13.Bd4 (13.Rg1 Nc5) 13...h5+/- (13...a3)) 11.d3+- (11.Ne5 Qh4 12.g3 Rg3 13.hg3 Qg3 14.Ke2 Be5 15.Be5 Ndc5 16.Rh7 Qf2) 11...Nec5 12.fe5 (worse is 12.Ne5 Qh4 13.Kd2 Be5 14.fe5 Qb4 15.Kc1 Na4+-) 12...Bc7 13.g3 Qe7 (13...Ba5 14.Bc3 Bb6 15.Bg2+-) 14.d4 (14.Nc3 Qe6+-) 14...Ne4 15.c3 (better is 15.Nfd2!?+-) 15...f6+/- 16.ef6 (16.Nbd2 Nd2 17.Qd2 Qe6+-) 16...Ndf6 1–0. Kucharkowski,Jens – Kunze, Freital, 1986.

7.Nf3 Be7 8.Bg7+= Rg8 9.Bb2 Bh4 10.g3 Rg3 11.hg3 (11.hg3 Bg3 Combination) 11...Bg3 12.Ke2 Bf4?? (better 12...Nf2 13.Rh7 Nf8+-) 13.Rh7 (better 13.ef4 Ng3 14.Kf2 Nh1 15.Kg2+-) 13...Ke7 (13...Bd6 14.Nc3 Ng3 15.Ke1 Nf1 16.Kf1 e5 17.Rh8 Nf8+-) 14.ef4 Ng3 (14...Ndf6 15.Rh3 Qb6 16.Bd4+-) 15.Kf2 (better 15.Ke1 Ne4 16.Ng5 Ng5 17.fg5 a6+-) 15...Ne4 16.Ke1 Qg8 (16...Ndf6 17.Rh2+-) 17.Rg7 Qh8 (17...Qf8 18.Nc3 Nd6+-) 18.Rf7! (18.Rf7 Kf7 19.Bh8+-) 1-0. Lance5500 (2620) - DaviatorYT (1695), lichess.org, 2018.

7.Nf3 Ndf6 A) 8.Be2 A1) 8...Bb4 9.0-0 0-0 10.Ne5 Qb6 11.Rf3 Rd8 12.c3 (12.Ra2 Bd7 13.d3 Nd6) 12...Be7 (12...Ba5 13.Qc2 a6) 13.a5 Qc7; A2) 8...Bc5 9.0-0 (9.Nc3 0-0 10.Ne4 Ne4 11.0-0 Qa5 12.Bd3 f6 13.c4 Nd2) 9...0-0 10.Nc3 (10.Ne5 a6 11.ba6 ba6 12.Ba3 Qd6 13.Bc5 Qc5) 10...Qa5 (10...a6 11.Ne4 Ne4 12.Bd3 ab5 13.ab5 Ra1) 11.Qe1 Bb4 12.Ne4 Ne4 13.c3 Bc5; B) 8.Bd3 B1) 8...cb5 9.ab5 Bc5 10.Nc3 (10.0-0 0-0 11.Nc3 a6 12.Ne4 de4 13.Bf6 Qf6) 10...0-0 11.Ne4 (11.Ra4 Qb6 12.Qa1 Nd6 13.Ra2 Bb4) 11...Ne4 12.0-0 a6 13.Qe2 f6; B2) 8...Bd6 9.Ne5 Bd7 (9...c5 10.0-0 0-0 11.Be2 Be7 12.a5 Bd7 13.Nc3 Nc3) 10.0-0 0-0 11.Nc3 Nc5 (11...Nc3 12.Bc3 Ne4 13.Be4 de4) 12.Be2 Qc7 13.a5 (13.Nd7 Ncd7) 13...Rfd8; B3) 8...Be7 9.Ne5 cb5 10.ab5 0-0 11.0-0 a5 (11...Nc5 12.Be2 Qc7 13.Ba3 Bd6) 12.ba6 ba6 13.Nc6 Qc7; B4) 8...Bc5 9.Ne5 Qb6 (9...Qc7 10.bc6 bc6 11.Nc6 0-0 12.Nd4 a6 13.Nb3 Rb8) 10.a5 Qc7 11.0-0 0-0 12.bc6 (12.Ng4 Ng4 13.Qg4 f5) 12...bc6 13.Ba3 Qa5; B5) 8...Bd7 9.0-0 (9.Nc3 Bd6 10.Ne4 Ne4 11.Be4 de4 12.Ng5 Be7 13.Ne4 cb5) 9...Bb4 10.Ne5 0-0 11.Ba3 Ba3 12.Ra3 Qe7 (12...Qc7 13.Be4 de4) 13.Be4 de4; B6) 8...Bb4 9.0-0 0-0 10.Ne5 Qb6 11.Ba3 Bd2 12.Nd2 Qe3 13.Kh1 Nd2; C) 8.bc6 bc6 9.Be2 (9.Nc3 Rb8 10.Ra2 Qa5 11.Ne4 Ne4 12.Bd3 f6 13.Nd4 Bd7) 9...Be7 (9...Rb8 10.Be5 Rb7 11.0-0 Ng4 12.a5 f6 13.Bc3 Rb1) 10.0-0 0-0 11.a5 (11.d3 Nd6 12.Ne5 Bb7 13.Nc3 Nf5) 11...a6 12.Ne5 Qc7 13.c4 (13.d3 Rb8) 13...Rb8; D) 8.Nc3 D1) 8...a6 9.Ne4 Ne4 10.Be2 Bc5 11.0-0 0-0 12.Bd3 (12.bc6 bc6 13.Ba3 Ba3) 12...ab5 (12...f6 13.bc6 bc6) 13.ab5 Ra1; D2) 8...Be7 9.Ne4 (9.Be2) 9...de4 10.Ne5 c5 (10...Bd7 11.Bc4 0-0 12.0-0 Qc7 13.d3 Rad8) 11.Bc4 (11.Be2) 11...0-0 12.0-0 Nd5 (12...Ne8 13.Bb3 a6) 13.a5 Qc7+= (13...Bf6); D3) 8...Bb4 9.bc6 bc6 10.Ne4 de4 11.Ng5 Qd5 12.Rb1 Rb8 13.Bd4 h6; D4) 8...Bd7 9.Ne4 Ne4 10.Bd3 Be7 11.0-0 0-0 12.Ne5 f6 13.Nd7 Qd7; D5) 8...Bd6 9.Ne4 de4 10.Ne5 Bd7 11.Be2 0-0 12.0-0 Be7 13.Bc4 Qe8; D6) 8...Nc3 9.Bc3 Ne4 10.Bd4 (10.Bb2 Bd7 11.Bd3 Be7 12.0-0 0-0 13.Ne5 f6) 10...c5 11.Bb2 f6 (11...c4 12.Be2 Bb4 13.Bd4 0-0) 12.Be2 c4 13.0-0 Qa5= (13...Bb4).

6.c3 0-0 7.c4 c5 8.cd5 ed5 9.Nf3 Nbd7 10.d3 Re8 11.Nbd2 Bd6 12.Qc2 Ne5 (12...a6 13.ba6 Ra6 14.Be2=+) 13.Be2 (better 13.Be5!? Be5 14.Ne5 Re5 15.Qc5+=) 13...Nf3=+ 14.Nf3 Be6 15.0-0 Rc8 Black prepares c4 16.g3 (16.Qd2 Qe7=) 16...c4 (16...Qe7 17.Rfe1=+) 17.d4 (better 17.dc4!? dc4 18.Bd4=) 17...Bh3 (17...Ne4 18.Ba3-/+) 18.Rfe1 (18.Rfc1 Ne4-/+) 18...Qd7 19.Ng5 Bf5 20.Qc1 h6 21.Nf3 Ne4 22.Ne5 (22.Ba3 Bc7-/+) 22...Be5-+ 23.de5 c3 24.Ba3 Bg6 (24...d4 25.Rd1 Nd2 26.Rd2 cd2 27.Qd2-+) 25.f4-/+ Nd2 26.Kf2?? (better 26.Qd1-/+) 26...d4 (26...Nb3 27.Bd6 Nc1 28.Rec1-+) 27.e6 (27.Qd1 d3 28.Bg4 Bf5 29.Bf5 Qf5-+) 27...Re6 (27...de3 28.Kg1 Qe6 29.g4-+) 28.Bb4 (28.Bg4 d3 29.Be6 Qe6-+) 28...de3 29.Kg1 Qd5 (better 29...Nb3 30.Qa3 Na1 31.Qa1-+) 30.Bc3 Nf3 (better 30...Bf5 31.Bd2 Rc1 32.Bc1 Bh3-+) 31.Kf1?? (31.Bf3 Qf3 32.Rf1-+) 31...Nh2 (31...Nh4! 32.Bf3 Qf3 33.Kg1 Qg2) 32.Kg1-+ Nf3 33.Kf1 (33.Bf3 Qf3 34.Re2 Qe2 35.Qf1 Qf1 36.Rf1 Rc3 37.Ra1-+) 33...Ne1 (33...Nh4 34.Bf3 Qf3 35.Kg1 Qg2) 34.Kg1 (34.Qe3 Qg2 35.Ke1 Re3 36.Kd1 Qe2 37.Kc1 Rec3) 34…Qg2 0-1. ClayPigeons (2150) - learning_champ0 (2100), Rated Bullet game, lichess.org, 2021.

6.c4 0-0 7.Nc3 dc4 8.Bc4 cb5 9.ab5 Nbd7 10.d4 Nb6 (10...e5 11.Nge2=) 11.Bd3 Bd7 (11...Nbd5 12.Nf3=) 12.Qb3 (12.Nf3 Nbd5 13.0-0 Nb4+=) 12...Qc7 (12...Nbd5 13.Nf3=) 13.Nf3+= Nfd5 14.0-0 Nc3 15.Bc3 Nd5 16.Bd2 b6 (16...Qd6!?+=) 17.Rfc1 Qb7 18.Be4 g6 (18...f5 19.Bd3+/-) 19.Ne5 Be8 (19...Rfc8 20.Bd3+/-) 20.Nc6 Bc6 21.bc6 Qc7 22.Bd5 ed5 23.Qd5 a5 24.Qc4 Ra7 (24...Rfd8 25.e4+-) 25.d5 (25.e4 Rd8+-) 25...Rfa8 (25...Bd6 26.Qh4+-) 26.Rcb1 (26.Bc3 Re8+-) 26...a4 27.Bc3 a3 (27...Bc5 28.Bb4 Qd6 29.Bc5 bc5 30.Rb5+-) 28.Qd4 Bf6?? (28...f6+-) 29.Qf6 Kf8 30.d6 Qc6 (30...Qd6 31.Qd6 Re7 32.Rd1 g5 33.Qf6 Re3 34.Qh8 Ke7 35.Rd7 Ke6 36.Qf6) 31.Qh8 1-0. ClayPigeons (2155) - Gionnyxmaster (2130), Rated Bullet game, lichess.org, 2020.

6.c4 0-0 7.Nf3 Nbd7 8.Be2 (---> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0-0 7.c4 Nbd7 8.Be2).

6.c4 a6 7.Nc3 ab5 8.ab5 Ra1 9.Qa1 Bd7 10.cd5 cd5 11.Nf3 0-0 12.Be2 Be8 13.Qa7 Qc7 14.0-0 (14.Na4 Ne4+-) 14...Nbd7 (14...Bc5!? 15.Qa2 Nbd7+-) 15.Na4+- Bd6 16.Rc1 Qb8 17.Qb8 Bb8 (17...Nb8!? 18.Nc5 b6 19.Na4+-) 18.Ba3 Ne5?? (better 18...Ne4 19.Bf8 Kf8+-) 19.Ne5 Be5 (19...Ne4 20.Bf8 Kf8 21.d4+-) 20.f4 Bb8 21.Rc8 Nd7 (21...Ba7 22.b6 Bb6 23.Nb6+-) 22.b6 f6 (22...Bf4 23.ef4 g6 24.Rc7+-) 23.Bb5 e5 (23...Nb6 24.Nb6 Kf7 25.Rb8 Bb5 26.Rf8 Kg6+-) 24.Bd7 Kf7 25.Rb8 Bd7 26.Rf8 Kg6 27.Nc5 Bc6 28.fe5 fe5 29.Ne6 (better 29.Rc8 Bd7 30.Nd7 Kf5+-) 29...d4 30.ed4 Bg2 31.Kg2 ed4 (31...h6 32.d5 h5 33.d6 h4 34.d7 h3 35.Kh3 Kh7 36.d8Q g5 37.Qg5 e4 38.Qg7) 32.Nd4 (32.Nf4 Kg5 33.Be7 Kh6 34.Rf5 g5 35.Bf8) 32...h5 (32...Kh6 33.Ne6 Kh5 34.Nf4 Kg5 35.Be7 Kh6 36.Rf5 g5 37.Bf8) 33.h4 (33.h4 Kh7 34.Ne6 g5 35.Ng5 Kg7 36.Rf7 Kh8 37.Bf8 Kg8 38.Bh6 Kh8 39.Rf8) 1–0. Silent Move (2115) – BustyBeaver, redhotpawn.com, 2016.

6.c4 a6 7.Nc3 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Qb3 0-0 11.Nf3 dc4 12.Bc4 cb5 13.Bb5 Bb5 14.Nb5 Nc6 (14...Qd5 15.Qd5 Nd5 16.Ke2=) 15.0-0 Na5 16.Qb1 Qd7 17.Bc3 (17.Ng5 g6+=) 17...Nc6 18.Qb2 Ra8 19.Rb1 Ne8 20.Bg7?? (better 20.Nbd4=) 20...Ng7-+ 21.Nbd4 (21.d4 Ra4-+) 21...Nd4 22.Nd4 Ra7 (22...Bf6 23.Qb5 Qb5 24.Nb5-+ (24.Rb5?? Ra1 25.Rb1 Rb1)) 23.g3 (23.Nf3 Qd5-+) 23...Bf6 24.Qb4? (24.Qb5 Qd8 25.Nf3-+) 24...Bd4 25.ed4 Ne8 (25...Nf5 26.Qc5 Qd4 27.Qc7-+) 26.Rc1 (26.Qb6 Ra2-+) 26...Nd6 (26...Ra4 27.Qc5-+) 27.Qb6 (27.Qc5 Ra2 28.Qg5 Kf8 29.Qh6 Ke7-+) 27...Nb5 (27...Ra6!? 28.Qc5 Nf5 29.Rb1-+) 28.Rb1 Nd4?? (better 28...Na3 29.Qa7 Nb1 30.Qb8 Kg7 31.Qe5 f6-+) 29.Qa7+- Nf3 30.Kg2 Qd5 (30...Nd2 31.Qb7 (31.Rb7?! Qd5 32.Kg1 Nf3 33.Kf1 Qd1 34.Kg2 Ne1 35.Kg1 Nd3 36.Kg2 Ne1 37.Kf1 Nd3 38.Kg2 Ne1=) 31...Qd3 32.Rd1+-) 31.Qb8 (31.Rb7?! Nd2 32.Kg1 Nf3 33.Kf1 Qd1 34.Kg2 Ne1 35.Kg1 Nd3 36.Kg2 Ne1 37.Kf1 Nd3 38.Kg2 Ne1=) 31...Kg7 32.Rd1?? (better 32.Qb7 Qb7 33.Rb7 Nd2 34.f4+-) 32...Ng5 (better 32...Nd2 33.Kg1 Nf3 34.Kg2 Qd1-+) 33.Kf1 Qf3?? (better 33...Qd3 34.Kg1 Qf3 35.Qe5 f6-+) 34.Re1 (better 34.Qe5 Kg6 35.Ke1=) 34...Nh3?? (better 34...Qd3 35.Re2 Nf3=) 35.Re2?? (better 35.Qe5 Kg8 36.Qe3 Qh1 37.Ke2 Ng1 38.Kd1+/-) 35…Qh1 0-1. ClayPigeons (2170) - Mauseren (2080), Rated Bullet game, lichess.org, 2020.

6.c4 a6 7.Nf3 h5 8.Nc3= g6 (8...h4 9.d3=) 9.Be2 Nbd7 10.0-0 Nc5 (10...e5 11.d4 e4 12.Ne5 ab5 13.ab5 Ra1 14.Qa1 cb5 15.Nb5+-) 11.d4+- White gets strong initiative 11...Nce4 12.Ne4 Ne4 13.Ne5 h4 (better 13...ab5!? 14.cb5 Bd7+-) 14.bc6+- bc6 15.Nc6 Qc7 (better 15...Qb6!? 16.Ne7 Qb2+=) 16.Ne7+- Qe7 17.Ba3 Qg5 18.cd5 (18.Qc2 h3 19.g3 Bd7+-) 18...Bb7 19.Bf3 Bd5 20.Qc2 (20.Rc1 h3 21.g3 Ng3 22.fg3 Qe3 23.Rf2 Bf3 24.Qf3 Qf3 25.Rf3 Rd8+-) 20...f5 (20...h3 21.g3 (21.Be4 hg2 22.Rfd1 Qh4+-) 21...Nd2 22.Qd2 Bf3 23.Rac1+-) 21.a5 (21.h3 Qd8+-) 21...h3 22.Qa4 (22.g3!?+-) 22...Kd8+= 23.Rfc1 hg2 24.Qb4?? (better 24.Be4 Rh2 25.Kh2 Qh5 26.Kg3 Qg4 27.Kh2 Qh5 28.Kg3 Qg4 29.Kh2 Qh5=) 24...Qh4–+ The mate threat is Qxh2 25.Qe7 Qe7 26.Be7 Ke7 27.Bg2 Nd2 28.Rc7 Kd6 29.Bd5 (29.Rc2 Nf3 30.Bf3 Bf3–+) 29...ed5 30.Rc5?! (30.Rg7 Rhg8 31.Rf7 Ke6–+) 30...Nf3 (better 30...Nb3!? 31.Rb1 Nc5 32.Rb6 Ke7 33.dc5–+) 31.Kf1 (31.Kg2 Ne5–+ (31...Nh2?! 32.Rb1-/+)) 31...Rh2 32.Ke2 (32.Rac1 Nd2 33.Kg1–+) 32...Nd4 (better 32...Ne5 33.Rac1 Nc4–+) 33.ed4-/+ Re8 34.Kf3 g5 (34...Rh4-/+) 35.Rf1?? (35.Rb1 g4 36.Kg3 Rh3 37.Kg2 Re6=) 35...Reh8?? (35...Re4 36.Rfc1 Rf4 37.Kg3=) 36.Ke2?? (36.Rb1 g4 37.Kg3 R8h3 38.Kf4 Rf2 39.Kg5 Ke7=) 36...R8h3?? (36...R8h4 37.Rc8–+) 37.Rc2?? (better 37.Rb1 Ra3 38.Rb6 Ke7 39.Rd5 (worse 39.Ra6 Ra2 40.Kf1 Rhf2 41.Ke1 Rae2 42.Kd1 Re6 43.Ra7 Kf6-/+) 39...Ra2 40.Kd3 Rh3 41.Kc4 Ra4 42.Rb4 Rb4 43.Kb4=) 37...Rh4–+ 38.Kd2? (38.Rg1 Re4 39.Kd3 Rh3 40.Rg3 Rg3 41.fg3 Rg4–+) 38...Re4 (better 38...Rd4!? 39.Ke2 Ra4 40.Rb1 Ra5 41.Rb8–+) 39.Kc3 Rh3 40.Kb4 (40.f3 Re3 41.Kd2 Ref3 42.Rf3 Rf3–+) 40...Rf3 (40...Rd4 41.Rc4 Rc4) 41.Rc4?? (better 41.Rd1–+) 41...dc4 42.Kc4 Rff4 (42...Re7 43.Kb4 Rb7 44.Kc4 Rfb3 45.Re1 R7b4) 43.Rd1–+ Rd4 44.Rd4 Rd4 45.Kd4 f4 (better 45...g4 46.Kc4–+) 46.Ke4 (46.f3 Ke6 47.Ke4 Kf6–+) 46...Ke6 47.f3 Kf6 48.Kd5 (48.Kd3–+) 48...Kf5 (48...g4!? 49.Ke4 g3 50.Kf4–+) 49.Kd4 (49.Kc5 g4 50.fg4 Ke5–+) 49...g4 50.fg4 Kg4 51.Kd3 (51.Kc5 f3 52.Kb6 f2 53.Ka6 f1Q 54.Kb6 Qc4–+) 51...f3 52.Ke3 Kg3 53.Kd2 f2 54.Kd3 f1Q 55.Kd4 Qb5 56.Kc3 Qa5 57.Kd4 Qb6 58.Kd3 a5 59.Kc2 a4 60.Kc3 a3 61.Kc4 (61.Kd3 a2 62.Ke4 Qc6 63.Kd3 Qd7 64.Kc4 a1Q 65.Kb4 Qad4 66.Kb3 Q7a4) 61...a2 62.Kc3 a1Q 63.Kc2 Qaa5 (63...Qab2 64.Kd3 Q6d4) 64.Kd1 (64.Kd3 Qb3 65.Kd4 Qad5) 64...Qbb4 (64...Qb3 65.Ke2 Qf3) 65.Kc2 Qaa3 (65...Qc3 66.Kd1 Qh5) 66.Kd1 Qbb2 67.Ke1 Qaa1 0–1. BeepBeepImAJeep (2560) – NicolaiJorgensen (2535), lichess.org, 2017.

6.c4 dc4 7.Bc4 cb5 8.ab5 b6 9.Nf3 Bb7 10.0-0 a6 11.h3 ab5 12.Ra8 Ba8 13.Bb5 Bc6 14.Qa4 Bb5 15.Qb5 Nbd7 16.Ne5 0-0 17.Nc6 Qe8 18.Ne7 Qe7 19.Nc3 Qc5 20.Qc6 Qc6 0–1. Abdullaevich (1610) – muhammadbadr98 (1630), lichess.org, 2019.

6.d4 cb5 7.ab5 Bd7 8.Nf3 Qb6 9.c4 dc4 10.Bc4 Bb5 11.Bb5 Qb5 12.Nc3 Qb2 13.Qa4 Nc6 0–1. A_VB – ARCELPEREZ, lichess.org, 2018.

6.Nf3 cb5 7.ab5 0-0 8.c4 dc4 9.Bc4 b6 10.Qe2 Bb7 11.0-0 Nbd7 12.Rc1 Nc5 13.Ne5 Rc8 (13...Bd6!?+=) 14.d4 Ncd7 15.Ra7 Rc7 16.Nc6 (16.Rb7 Rb7 17.Nc6 Qe8+-) 16...Bc6+/- 17.Rc7 Qc7 18.Bd3 Nb8 19.bc6 Nc6? (better is 19...Nd5+/-) 20.Bb5+- 1–0. pcmvr – ajmcroberts (2270), net–chess.com, 2014.

6.Nf3 cb5 7.ab5 0-0 8.Be2 Nbd7 9.0-0 Ne4 10.d3 Nd6 11.c4 dc4 12.dc4 Bf6 13.Nc3 Qc7 Attacks the backward pawn on c4 14.Qb3 Nc5 15.Qc2 b6 16.Rfd1 Bb7 17.Nd4 Rfd8 18.Na4 Na4 19.Qa4 Nf5 20.Rac1 Nh4 21.g3 Ng6 22.h4 Be4 23.h5 Ne7 24.Bg4 Bd4 25.Bd4 Nf5 26.Bf5 Bf5 27.c5 bc5 28.Rc5 Qb7 29.Rdc1 Bh3 30.Rc6 Bg4 31.Bg7 Bh5 32.Bf6 (32.Bf6 Qb8 33.Bd8 Qd8 34.Qa6+-) 1–0. CountFromHolland – Ontiveros, playchess.de, 2004.

6.Nf3 cb5 7.ab5 a6 8.c4 0-0 9.Nc3 (9.d4 dc4 10.Bc4 Qc7+=) 9...Bd7 (9...b6 10.Ne5=) 10.Ne5 Ne4 (10...Qc7 11.Nd7 Qd7 12.cd5 Nd5 13.Nd5 ed5 14.Bd3+=) 11.Ne4 (11.ba6 ba6 12.cd5 ed5+=) 11...de4 12.Qc2 f5 13.Be2 (13.c5 Qc7+=) 13...Bf6 (13...Qc7 14.Qc3 Bf6 15.c5=) 14.0-0 (14.c5 Qe8 15.Qb3 Qe7+=) 14...Be8 (14...Qc7!? 15.Nd7 Nd7 (worse is 15...Qd7 16.Bf6 Rf6 17.f3+/-) 16.Bf6 Nf6 17.ba6 Ra6 18.Ra6 ba6=) 15.c5+/- Be5 (15...Qc8!?+/-) 16.Be5 Nd7 (16...Rf7!?+/-) 17.Bd6+- Rf7 18.ba6 ba6 19.Qc4 (19.Ra6 Ra6 20.Ba6 Nf6+-) 19...Nf6 (19...Rf6 20.Ra6 Ra6 21.Qa6+-) 20.Qe6 Bd7 21.Qa2 Ne8 22.Bc4 (22.Ba6?! Bb5 23.Bb5 Ra2 24.Ra2 Nd6 25.cd6 Qd6+/-) 22...Nd6 23.cd6 (23.cd6 Be8 24.f3+-) 1–0. DEFFM – SuperGrossChess, freechess.org, 2018.

6.Nf3 Qb6 7.c4 cb5 8.ab5 0-0 9.Nc3 (9.Bd4 Qd8+=) 9...dc4 10.Bc4 Nbd7 11.d4 Qc7 12.Qb3 Nb6 13.Be2 Nfd5 14.0-0 Bd6 15.Ne4 Rd8 16.Rfc1 Qb8 17.Nd6 Qd6 18.Ba3 Qd7 19.Nd2 Qe8 20.Ne4 (20.Bc5!?+/-) 20...e5+= 21.Nd6 Qe6 22.de5 Qe5 23.e4 Nf4 (23...f5 24.ed5 Qe2 25.Bc5+-) 24.Qf7+- Kh8 25.Bf3 Be6 26.Qc7 (26.Qe7 Nd3 27.Bg4 Nc4 28.Nc4 Bc4 29.Qe5 Ne5+-) 26...Qg5 (26...Nc4!? 27.Rd1 Kg8+=) 27.Rd1 h6 (27...Bb3 28.Rdb1 Bg8 29.Qc5+-) 28.Nf7 (better is 28.Qc5!? Nh3 29.Kf1+-) 28...Bf7+/- 29.Qf7 Qb5?? (better is 29...Nh3 30.Kf1 Qb5 31.Be2 Rd1 32.Rd1 Ng5 33.Bb5 Nf7+/-) 30.Qf4 Rd1 31.Rd1 Qb3 32.Bc1 Kg8 33.e5 Rf8 (33...Re8 34.Qg3 Kh8 35.Qg6+-) 34.Qd4 Kh8 (34...Re8 35.Bb2 (worse is 35.Bb7 Re5 36.Be3 Qc2+-) 35...Qf7 36.Ra1+-) 35.Bb7 Qc2 36.Be4 Qb3 37.Bb2 Nc4 (37...Qe6 38.Qd6 Qe8 39.Qc7+-) 38.Ba1 Na3 (38...Ne5 39.Rf1 Qe6+-) 39.e6 1–0. Raue,Thorsten (1840) – Janssen,Guido (1805), Verbandsklasse B Muensterland, 2006.

6.Nf3 Qb6 7.c4 Nbd7 8.cd5 cd5 9.Be2 Qc7 10.0-0 b6 (10...e5 11.a5=) 11.d3 Bb7 12.Qd2 Rc8 13.Rc1 Nc5? (better is 13...Qd8+=) 14.d4+- Nce4? (14...Nfe4 15.Qd1 Bf6+-) 15.Rc7 Nd2 16.Rc8 Bc8 17.Nbd2 0-0 18.Ne5 Bd6 (18...Bb4 19.Nb3 Bb7 20.Ba3 Ba3 21.Ra3+-) 19.Ba3 Ba3 20.Ra3 Nd7 21.Nc6 f6 22.Na7 Bb7 23.Rc3 e5 (23...Ra8 24.Rc7 Ra7 25.Rd7 Ra4 26.Rb7+-) 24.Rc7 1–0. Fritz 10 – NN, 2007.

6.Nf3 h6 7.c4 0-0 8.Be2 (8.d4 Nbd7=) 8...Nbd7 (8...dc4 9.Bc4 a6 10.0-0=) 9.0-0 (9.cd5 cd5 10.0-0 a6=) 9...Re8 (9...dc4 10.bc6 bc6 11.Na3=) 10.d4+= Bb4 (10...Qc7 11.Nbd2+=) 11.Qb3 Bd6 (11...Qe7 12.Nc3+=) 12.c5 (12.Nc3 dc4 13.Qc4 Nb6+=) 12...Be7 13.Qc2 Bf8 (13...Ng4 14.Bd3+/-) 14.Nbd2 Nh7 (14...Qc7 15.Rfb1+/-) 15.e4 (15.Ne5 Ne5 16.de5 Be7+/-) 15...Ndf6 (15...de4 16.Ne4 Nhf6 17.Nf6 Nf6 18.Ne5+/-) 16.e5 Nd7 17.Bd3 Ng5 18.Ne1 f6 19.f4 f5?? (better is 19...Nf7+/-) 20.fg5+- Qg5 21.Nef3 Qd8 (21...Qg6 22.Nb3+-) 22.Bc3 (22.Rf2 Be7+-) 22...b6 (22...Qc7 23.Bb4+-) 23.bc6 bc5 (23...Nb8 24.Bb5 Qc7 25.cb6 ab6 26.a5 ba5 27.Nb3+-) 24.cd7 Bd7 25.dc5 Bc5 26.Kh1 Bc6 (26...Rc8+-) 27.Bb2 Qa5 (27...Qe7 28.Rfc1 Rab8 29.Qc5 Qc5 30.Rc5 Rb2 31.Rc6+-) 28.Nb3 Ba4 29.Qe2 (29.Qe2 Qc7 30.Nc5 Qc5 31.Ra4+-) 1–0. DEFFM – loiusgordon, freechess.org, 2018.

6.Nf3 h6 7.c4 Nbd7 8.d4 Nb6 (8...0-0 9.Nc3=) 9.c5+= Nbd7 10.Bd3 Qc7 11.0-0 b6 12.bc6 Qc6 13.Ne5 Ne5? (better is 13...Qc7 14.c6 Ne5 15.de5 Ng8+=) 14.Bb5+- (14.de5?! Nd7 15.cb6 ab6+= (15...Nb6?? 16.Bb5 Bd7 17.Bc6 Bc6 18.Nd2+-)) 14...Qb5 (14...Ba6 15.Bc6 (15.Ba6?! Ned7+=) 15...Nc6 16.Re1+-) 15.ab5 bc5 (15...Nc4 16.Qc2 bc5 17.dc5 0-0 18.Bf6 Bf6+-) 16.de5 (16.de5 Nd7 17.Qe2+-) 1–0. DEFFM – GuestZFJV, freechess.org, 2018.

6.Nf3 h6 7.d4 0-0 8.Bd3 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Bd7 (11...cb5 12.Bb2=+) 12.c4 (12.Nc3 cb5 13.Nb5 Nc6=) 12...dc4 13.Bc4 (13.bc6 cd3 14.cd7 Qa5=+) 13...cb5=+ 14.Bd3 b4 15.Ne5 Be8 16.Nd2 Nc6 17.Qb3 (17.Ndf3 Nd5-/+) 17...Ne5 18.de5 Nd5 19.Rb1 Qb6 (19...Bc6!?-/+) 20.Bd4=+ Qa5 21.Ra1 Qc7 22.Ne4 Qd8 23.Qd1 Nf4 24.Nf6 Kh8 (24...gf6 25.ef4 f5=+ (25...Qd4? 26.Bh7 Kh7 27.Qd4+-)) 25.Be4+= (worse 25.ef4 Qd4 26.Ne8 Re8-/+) 25...Nd5 26.Nd5 ed5 27.Bc2 Bb5 (27...Kg8!?+=) 28.Qg4+- Qd7?? (better 28...Be8+-) 29.e6 Qe6 (29...Rg8 30.Qf5 Bd3 31.Bd3 fe6 32.Qh7) 30.Qg7 1–0. DEFFM – GuestNQDT, freechess.org, 2019.

6.Nf3 h6 7.Be2 0-0=.

6.Nf3 h6 7.Be2 Bd7 8.c4 Qa5 9.Nc3 dc4 10.Bc4 0-0 11.0-0 Nd5 12.Nd5 ed5 13.Be2 Bb4 14.d4 Bf5 15.Bd3 Bg4 16.Qc2 (16.Ba3 Ba3 17.Ra3 a6 18.bc6 Nc6=) 16...Bf3= 17.gf3 Qc7 18.Kh1 Bd6 19.f4 c5? (better is 19...a6=) 20.dc5+- Qc5 (20...Bc5 21.Rg1 f6 22.Rac1+-) 21.Bh7 (21.Rg1 f6 22.Qb3 Kh8+-) 21...Kh8 22.Rg1 f6 23.Qg6 Qc7 24.Rac1 Qf7 25.Qd3 (25.Qf7 Rf7 26.Bg6 Rf8+-) 25...b6 (better is 25...Nd7!?+/-) 26.Bg6+- Qe7? (better is 26...Qg8+-) 27.Qd5 Nd7 28.Rgd1 Nc5 (28...Be5 29.fe5 (29.Qd7?! Qd7 30.Rd7 Bb2+-) 29...Ne5 30.Bc2+-) 29.Qd6 Qd6 30.Rd6 Na4 31.Bd4 Rad8 (31...a5 32.Rc4 Nc5 33.Rb6+-) 32.Rd8 Rd8 33.Rc7 (33.Rc7 Nc5 34.Bc5+-) 1–0. GuestGQRD – lazarprimat, freechess.org, 2017.

6.f4 cb5 7.ab5= Bd7 (7...0-0 8.Nf3=) 8.Nf3 Qb6 (8...0-0 9.Be2=) 9.Bd4+= Qc7 (9...Bc5!?+=) 10.Ra7+/- Ra7 11.b6 Qc8 12.ba7 Nc6 13.Nc3 Qa8? (better is 13...Nd4!? 14.Nd4 Qa8+/-) 14.Nb5+- Nd4?? (better is 14...Bd8 15.Nd6 Kf8+-) 15.Nc7 (15.Nc7 Kf8 16.Na8+- (16.ed4 Qa7 17.Nb5 Qb6+=); 15.ed4?! 0-0=; 15.Nfd4?! 0-0+=; 15.Nbd4?! Qa7 16.Be2 0-0=) 1–0. pierre – ocis, internet, 2010.

6.f4 Ne4 7.Nf3 (7.Bg7 Rg8 8.Bb2 Bf6+=) 7...0-0 8.Be2 Bd7 (8...Bh4 9.g3 Bf6 10.Ne5+=) 9.c4 (9.0-0 a6=) 9...Bb4 (9...dc4!? 10.Bc4 Nd6 11.bc6 Bc6+= (worse is 11...Nc4 12.cb7 Nb2 13.Qc2+/-; 11...Nc6?! 12.Be2+=)) 10.0-0= Qa5 (10...dc4 11.Bc4 cb5 12.ab5=) 11.Qc2 Bc5 (11...Nd6 12.c5 Ne4 13.Ng5+=) 12.Kh1 (12.Bd3 f6+/-) 12...Qb6 (12...Rc8!?+=) 13.a5 Qc7 14.d3 (14.cd5 cd5 15.d3 Nf6+/-) 14...Nf6 (14...Nd6 15.d4 Bb4 16.cd5 Ba5 17.Ng5+/-) 15.Bf6 gf6 16.d4 Be7 (16...Bb4 17.b6 Qd8 18.Qb3+/-) 17.b6 (better is 17.cd5 ed5 18.Bd3+/-) 17...ab6?? (better is 17...Qd8 18.ba7 Ra7+/-) 18.ab6+- Qb6 (18...Qf4 19.Ra8 Qe3 20.c5+-) 19.Ra8 f5 (19...dc4 20.Nbd2+-) 20.c5 (20.c5 Qc7 21.Qb3+-) 1–0. Kucharkowski,Jens – Wuendrich, Freital, 1982.

6.h4 Nbd7 7.g4 a6 (better is 7...e5!?-/+) 8.bc6 bc6 9.a5 (better is 9.g5!? Ne4 10.Bg7+=) 9...0-0 10.d3 Bb7 11.g5 Ne8 12.Qg4 c5 13.d4 Nd6 14.dc5 Nf5 15.Bd3 g6 (15...Bc5!? 16.Nf3 d4 17.Bd4 Bf3 18.Qf3 Bd4 (worse is 18...Nd4 19.ed4 Bb4 20.c3 Ba5 21.Qe4+=) 19.ed4 Nd4+=) 16.Nf3= Bc5 17.h5 Rb8 18.Nbd2 Bc6 (18...Re8 19.Nb3 Bd6 20.Qh3+=) 19.Bc3 (19.Nb3 Qc8+/-) 19...Re8? (better is 19...Bb5!?+=) 20.hg6 fg6 21.Ba6 Bb5 22.Bb5 Rb5 23.Nb3 Ba7 24.Qh3 e5?? (better is 24...Re7 25.Nbd4 Nd4 26.Nd4 Bd4 27.ed4 e5+/-) 25.Qh7+- Kf8 26.Qg6 d4 27.Qf5 (27.Rh8 Ke7 28.Rh7 Ng7 29.Rg7 Kf8 30.Rf7) 27...Ke7+- 28.ed4 (28.Nbd4 ed4 29.Rh7 Kd6 30.Qb5 Qc8 31.Bb4 Bc5 32.Nd4 Re5+-) 28...Kd6 (28...Qc7 29.Bb2 Kd8 30.de5+-) 29.de5 Kc7 30.Rh7 Kc8 31.0-0-0 Re7 32.e6 (better is 32.g6 Bf2 33.Qe4+-) 32...Rf5 33.ed7 Kc7 (33...Qd7 34.Rd7 Kd7 35.g6 Rf3 36.g7+-) 34.Re7 Rf3 (34...Rf3 35.Be5 Kb7+-). g_man1978 – dusterstar, gameknot.com, 2011. (=1.e3 d5 2.a4 c6 3.b4 Nf6 4.Bb2 e6 5.b5 Be7)

7.ab5 dc4 8.Bc4 0-0 9.Qb3 Nbd7 10.d4 Nb6 11.Bd3 Nbd5 12.Nf3 a6 13.Nbd2 (13.Ba3 Qa5 14.Nbd2 ab5+=) 13...Bd7 14.Ne5 (14.0-0 Bb5 15.Bb5 ab5=) 14...ab5 (14...Bb5 15.Bb5 ab5 16.Ra8 Qa8 17.e4=) 15.Nd7 (15.Ra8 Qa8 16.Nd7 Nd7 17.Bb5 N7f6+=) 15...Nd7 (15...Ra1 16.Ba1 Qd7 17.Bb5= (worse 17.Qb5 Qb5 18.Bb5 Bb4-/+)) 16.Qb5 (16.Ra8!? Qa8 17.Qb5=) 16...Ra1= 17.Ba1 N7f6 (17...Bb4 18.Ke2= (worse 18.Qb7 Qa8 19.Qa8 Ra8-+)) 18.0-0 (18.Qb7 Bb4 19.Ke2 Bd2 20.Kd2 Ng4=+) 18...Qc7 (18...Qb6 19.Qc4=) 19.Rb1 Rb8 20.Nc4 h5 (20...Ra8 21.Bb2=) 21.Rc1 Qd8 22.Bb2 g6 (22...Nb4 23.Be2+=) 23.Ne5 (23.e4 Nb4 24.Ne5 Qe8+=) 23...Ng4 (23...Qb6 24.Qb6 Nb6 25.e4+=) 24.h3 (24.Ng4 hg4 25.Be2 Nf6+/-) 24...Ne5+= 25.de5 Kg7 (25...Qb6 26.e4 Qb5 27.Bb5+=) 26.Qc4 (26.Be4 Qe8 27.Qb3 Rd8+/-) 26...Qa5 (26...b5 27.Qb3+=) 27.Bd4 (27.Be4 b5 28.Qc2 Qa2+=) 27...b5+= 28.Qb3 Qa3 29.Rb1 (29.Qd1!?+=) 29...Qb3= 30.Rb3 b4 31.g3 Rc8 32.Kf1 Rc1 (32...h4 33.gh4 Rc1 34.Kg2=) 33.Ke2 Rh1 (33...h4 34.e4 Nc3 35.Kd2=) 34.h4 Rh2 (34...Rc1!?+=) 35.Be4 f5 36.ef6! Bf6 (36...Nf6 37.Kf1 Combination; 36...Bf6 37.Bf6 Double attack) 37.Bf3 (37.Kf1 Bd4 38.ed4 Nf6+-) 37...Bd4 (better 37...e5!? 38.Bc5 e4 39.Be4 Nc3 40.Kd3 Na2+/-) 38.ed4+- g5 39.hg5 Kg6 (39...h4 40.Bd5 ed5 41.Kf3+-) 40.Bd5 ed5 41.Rb4 Kg5 (41...h4 42.gh4 Rh4 43.Ke3+-) 42.Rb5 Rh1 43.Rd5 Kg4 (43...Kf6 44.Rd6 Kf5 45.d5+-) 44.Re5 Rc1 45.Kd3 (45.d5 Rc2 46.Ke3 Rc3 47.Kd4 Rc2+-) 45...Ra1 46.Ke4 Ra3 (46...Rf1 47.Ke3+-) 47.f3! Kg3 (47...Rf3 48.Rh5 Decoy) 48.Rh5 Kf2 49.Rg5 1-0. ClayPigeons (2120) - IFNMU (1990), Rated Bullet game, lichess.org, 2021.

7.cb5 0-0 8.Nf3 b6 9.Be2 Bd6 10.0-0 Bc7 (10...a6 11.Be5=) 11.d4 Qe7 (11...a6 12.Nc3+=) 12.Nbd2 (12.Ba3 Bd6+=) 12...Nfd7 (12...Bd6 13.a5+=) 13.Ba3+- Qf6?? (better 13...Bd6 14.Bd6 Qd6+-) 14.Bf8+- Nf8 15.Rc1 Bd6 (15...Qd8 16.Qc2 Na6+-) 16.Ne5 (better 16.Rc8 Qe7 17.Bd3+-) 16...Bb7 17.f4 Nbd7 18.Bd3 Be5 (better 18...a6+-) 19.fe5 (19.de5?! Qe7+-) 19...Qh6 (19...Qd8 20.Qf3 f6 21.ef6 Nf6 22.Qg3+-) 20.Qf3 Rb8 (20...f6 21.ef6 Nf6+-) 21.Qf7 Kh8 22.Qf3 (better 22.Rf3 g6+-) 22...Ng6 (22...Qg5+-) 23.Rc7 Rf8 (23...Nde5 24.de5 Ba8 25.Qf7+-) 24.Qg3 (better 24.Rd7 Rg8 25.Rb7 Nh4+-) 24...Rf1 25.Nf1 Ndf8 (25...Ngf8 26.Rb7 Qh5 27.e4+-) 26.Rb7 (26.Qf3 Nf4+-) 26...Qh4 (26...Kg8 27.Bg6 Qg6 28.Qg6 hg6 29.Ra7+-) 27.Qh4 (better 27.Qf3 Nf4+-) 27...Nh4 28.Rb8 (28.Ra7 g5+-) 28...Nhg6 (28...Kg8 29.e4 de4 30.Be4+-) 29.Bg6 (29.Bg6 Kg8 30.Bh7 Kf7 31.Rb7 Ke8 32.Rg7 Nh7 33.Rh7 a6 34.ba6 Kf8 35.a7 Kg8 36.Rd7 b5 37.a8Q) 1–0. BeepBeepImAJeep (2610) – Pasha_Onegin (1835), lichess.org, 2017.

7.cb5 b6 8.Nf3 Bb7 (8...0-0 9.Be2=) 9.Be2 Nbd7 10.0-0 Nc5 (10...0-0 11.Nc3=) 11.d4 Nce4 12.Nbd2 0-0 13.Ne4 Ne4 14.Ne5 Bf6 (14...f6 15.Nc6 Bc6 16.bc6=) 15.Nc6 Bc6 16.bc6 Rc8 17.Rc1 Qd6 (17...Be7 18.Bd3 Bd6 19.Qh5+=) 18.Qc2 (18.f3 Qb4 19.fe4 Qb2+=) 18...Rc7 (18...Bd8 19.Ba6 Rc7 20.f3+=) 19.Ba6 (19.f3 Ng5+=) 19...Rb8 (19...Be7!?=) 20.f3+- Ng5? (better 20...Bg5!? 21.fe4 Be3 22.Kh1 Bc1 23.Rc1 de4 24.Qe4 Rd8+-) 21.h4+- Nf3 22.Rf3 (22.gf3?! Rc6 23.Qh2 Qh2 24.Kh2 Rc1 25.Rc1 Bh4+-) 22...Bh4? (22...h6 23.h5+-) 23.Qc3 (23.Rh3!? g5+-) 23...f6 (better 23...Be7+-) 24.Ba3 Qd8 25.Rcf1 (25.Qb4!? Kf7 26.Qd6 f5+-) 25...Qe8 (25...f5 26.Rc1+-) 26.Bb5 (better 26.Rh3 Rc6 27.Qd3+-) 26...Bg5? (26...Qd8 27.Qb3+-) 27.Qd3 (better 27.Bd6!? Rbc8 28.Bc7 Rc7+-) 27...Rbc8 28.e4 Rc6 (better 28...de4 29.Qe4 f5+-) 29.ed5 (29.ed5 ed5 30.Qf5+- (30.Bc6?! Qc6 31.Rh3 h6+-); 29.Bc6?! Qc6 30.e5 Qa4+-) 1–0. BeepBeepImAJeep (2555) – raffich (1665), lichess.org, 2017.

7.cb5 Nbd7 8.Nf3 b6 9.Be2 Bb7 10.0-0 e5 (10...0-0 11.Nc3=) 11.d4 (better 11.Ne5!? 0-0 12.d3+-) 11...e4= 12.Ne5 0-0 13.Nd2 Rc8 14.Nb3 Ne5 (14...Bd6 15.Nd7 Qd7 16.Ba3=) 15.de5+= Nd7 16.Rc1 (16.a5 Bb4+=) 16...Rc1= 17.Qc1 Qc8 18.Qa1 Re8 (18...Nc5 19.Nd4=) 19.Rc1+= Bf8?? (19...Qb8 20.Nd4+=) 20.Nd4 (better 20.Rc8 Bc8 21.a5+-) 20...Qb8 21.Nc6 Bc6 22.bc6 Nc5 23.Bd4 (23.Qa2 Qc7=) 23...Qc7 (better 23...Nb3!? 24.Qb2 Nc1 25.Qc1 Qc7-/+ (25...Re5?? 26.c7 Qc8 27.Be5+-)) 24.Qb2 Qc6 (better 24...Ra8!?=) 25.Bb5+= Qe6 26.Be8 (26.Bc5 bc5 27.Be8 Qe8+-) 26...Qe8 (26...Nd3 27.Rc6 Qe8 28.Qb5+=) 27.Bc5+- Bc5 28.a5 h6 29.ab6 ab6 30.Qd2 (30.Rd1 Qe6+-) 30...Qe6 (30...Qe5 31.Rd1+=) 31.Rd1 Exerts pressure on the backward pawn 31...Qe5 32.Qd5 Qd5 33.Rd5 g6 34.Rd8 (34.g4!?+-) 34...Kg7+= 35.Re8 f5 36.Rb8 Kf6 37.Kf1 g5 38.Ke2 f4 (38...h5+=) 39.f3 (better 39.ef4 gf4 40.f3+-) 39...ef3=+ 40.Kf3 Be3 (40...fe3 41.g4=) 41.g3 (41.Kg4 Kg6=) 41...Kf5 42.g4 Ke5 (42...Kg6 43.Rc8=) 43.Rd8 (43.Rh8 Kf6+=) 43...b5 (43...Kf6!?=) 44.Rb8+= h5? (better 44...b4 45.Rb4 Kf6+=) 45.Rb5+- Kd4 (45...Kf6 46.gh5 Kg7 47.Rg5 Kh6 48.Kg4+-) 46.Rg5 hg4 47.Rg4 (47.Kg4?! f3 48.Rb5 f2+-) 47...Ke5 48.h4 Kf5 49.h5 Bd4 (49...Bd2 50.h6+-) 50.h6 (50.Rf4 Kg5 51.Rd4 Kf6 52.Rg4 Kf7 53.h6 Ke7 54.h7 Kf8 55.h8Q Kf7 56.Qh6 Ke8 57.Rg7 Kd8 58.Qh8) 50...Be3 (50...Bf6 51.Rg8+-) 51.h7 Bd4 52.Rg8 (52.Rf4 Kg6 53.Rd4 Kh7 54.Rg4 Kh6 55.Kf4 Kh5 56.Kf5 Kh6 57.Kf6 Kh7 58.Rh4 Kg8 59.Rh5 Kf8 60.Rh8) 52...Be5 53.h8Q Bh8 54.Rh8 Kg5 (54...Ke5 55.Rh5 Kd6 56.Kf4+-) 55.Rh3 (55.Rf8 Kh6 56.Rg8 Kh7 57.Rg5 Kh6 58.Kf4 Kh7 59.Ke5 Kh6 60.Kf6 Kh7 61.Rh5 Kg8 62.Rh6 Kf8 63.Rh8) 55...Kf5+- 56.Rh4 Kg5 (56...Ke5+-) 57.Rf4 Kg6 58.Ke4 (58.Kg4 Kh6 59.Kf5 Kg7 60.Kg5 Kh7 61.Kf6 Kg8 62.Rh4 Kf8 63.Rh8) 58...Kg5 59.Ke5 Kg6 60.Rf5 (60.Re4 Kf7 61.Kf5 Kg7 62.Re7 Kf8 63.Kf6 Kg8 64.Re8 Kh7 65.Rf8 Kh6 66.Rh8) 60...Kg7 61.Rf6 Kg8 62.Kf5 Kg7 63.Kg5 Kh7 64.Rf7 Kg8 (64...Kh8 65.Kf5 Kg8 66.Kg6 Kh8 67.Rf8) 65.Kg6 Kh8 66.Rf8 1–0. BeepBeepImAJeep (2530) – jclp1102 (1980), lichess.org, 2016.

7.Nf3 0-0 8.d4=.

7.Nf3 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 0-0 11.0-0 dc4 12.Bc4 Nb6 13.Be2 Nbd5 14.d4 (14.bc6 bc6 15.d4 Qc7=) 14...Bd7 15.Nbd2 (15.bc6 Bc6 16.Ne5 Qc7=) 15...cb5=+ 16.Qb3 Nc7 17.Ne5 Be8 (17...Bc6 18.Rc1=) 18.Bc3 Nd7 19.Nd7 Bd7 20.Ba5 Bd6 (20...Bc6 21.Rb1=) 21.Ne4 Be7 22.Rc1 b6?? (better 22...Bc6=) 23.Bb6+- Nd5 (23...Bc6 24.Rc6 Qd5+-) 24.Bd8 Rd8 1–0. BeepBeepImAJeep (2580) – malkingoesmvp (2300), lichess.org, 2017.

7.Nf3 b6 8.Be2 (better 8.bc6!? Nc5 9.cd5 ed5 10.Be5+-) 8...Bb7 9.0-0 c5 (9...dc4 10.Bc4 cb5 11.ab5=) 10.d4 Rc8 (10...0-0 11.Nbd2=) 11.Nbd2 0-0 12.Rc1 Qc7 13.cd5 ed5 (13...Bd5 14.Bd3=) 14.dc5 Nc5 15.Nd4 Qd7 16.N2f3 Bd6 17.h3 Nfe4 18.Ba3 f5 19.a5 (19.Nd2 Qe7=) 19...Rf6 (19...ba5!? 20.Nd2 Qe8=+) 20.a6+= Ba8 21.Nc6 (21.Bb2!?+=) 21...Bc6=+ 22.bc6 Rc6?? (better 22...Qc6!? 23.Bb2 Rf7=+) 23.Qd5 (23.Bb5 Bb8+-) 23...Kh8+= 24.Rfd1 Nf2? (better 24...Rc7+=) 25.Kf2+- f4?? (25...Ne4 26.Kg1 Rc1 27.Bc1 Qe7+-) 26.Bb5 (26.Bc5 Rf5 27.Qc6 Qc6 28.Bd6 fe3 29.Ke1 Qe8+-) 26...fe3 (26...Qe7 27.Qc6 Qe3 28.Kf1 Qa3 29.Qd5+-) 27.Kg1 (better 27.Ke2 Qc7 28.Qc6+-) 27...e2 28.Rd2 Qc7 (28...Rf3 29.Bc6 Qe7 30.Qd6 Rf1 31.Rf1 Qe3 32.Kh2 ef1N 33.Kh1+-) 29.Qc6 (better 29.Bc6 Qe7 30.Ne5 Re6+-) 29...Bh2 30.Nh2 Rf1 (30...Rc6 31.Bc6 h5 32.Re2 Qc6+-) 31.Rf1 (31.Nf1 ef1Q 32.Rf1 h6 33.Qc7 Kh7 34.Bb2 Ne6 35.Bd3 Kg8 36.Qc8 Nd8 37.Qd8) 31...ef1Q 32.Nf1 Qc6 33.Bc6 (33.Rd8 Qe8 34.Re8) 33...h6 34.Rd8 (34.Be8 Ne4 35.Rd8 Kh7+-) 34...Kh7 35.Bc5 bc5 36.Be4 g6 37.Rd7 Kg8 38.Bg6 Kf8 39.Rd8 (39.Ne3 c4 40.Nf5 c3 41.Rd8) 39...Kg7 40.Rc8 (40.Rd6 h5 41.Ng3 Kh6 42.h4 Kg7 43.Nf5 Kf8 44.Rd8) 40...Kf6 41.Rc5 Kg6 42.Rc6 Kg5 43.Rc7 h5 44.Ra7 h4 45.Rc7 Kf4 46.Rc4 Ke5 (46...Kf5 47.a7 Kf6 48.a8Q Ke6 49.Qe4 Kd7 50.Rd4 Kc7 51.Qc2 Kb6 52.Rb4 Ka5 53.Qa4) 47.Rg4 (47.a7 Ke6 48.a8Q Kf6 49.Qa6 Ke7 50.Rc7 Ke8 51.Qc8) 47...Kd5 (47...Ke6 48.a7 Ke7 49.a8Q Kd6 50.Qa6 Ke5 51.Rg5 Kd4 52.Qc6 Kd3 53.Rd5 Ke2 54.Qe6) 48.Kf2 (48.a7 Kc5 49.Rg5 Kd4 50.a8Q Kc3 51.Qc6 Kd3 52.Rd5 Ke2 53.Qe6) 48...Kc5 49.Kf3 (49.a7 Kc6 50.a8Q Kd6 51.Qa6 Kc5 52.Rc4 Kd5 53.Qc6 Ke5 54.Rc5 Kd4 55.Qd5) 49...Kb5 50.Rh4 (50.a7 Kc6 51.a8Q Kd7 52.Qb7 Kd6 53.Rg6 Kc5 54.Ke4 Kc4 55.Rc6) 50...Ka6+- 51.Re4 Kb5 52.h4 Kc5 53.h5 Kd5 54.h6 Kd6 55.h7 Kd5 (55...Kc6 56.h8Q Kc5 57.Qc3 Kd6 58.Qd3 Kc5 59.Rc4 Kb6 60.Qb3 Ka5 61.Ra4) 56.h8Q Kc5 57.Qh7 (57.Qc3 Kd6 58.Qd3 Kc5 59.Rc4 Kb6 60.Qb3 Ka5 61.Ra4) 57...Kc6 58.Qf5 Kd6 (58...Kc7 59.Re7 Kd6 60.Re6 Kc7 61.Qf7 Kd8 62.Re8) 59.Re6 Kd7 (59...Kc7 60.Qf7 Kd8 61.Re8) 60.Qf7 Kd8 61.Re8 1–0. BeepBeepImAJeep (2645) – otzi (1880), lichess.org, 2015.

7.Nf3 dc4 8.Bc4 cb5 9.ab5 a5 10.0-0 b6 11.d4 Bb7 12.Nbd2 0-0 13.Be2 Rc8 14.Nc4 (14.Qa4 Ne4=) 14...Qc7 (14...Bf3 15.gf3 Bb4 16.Kh1=+) 15.Nfe5 Qb8 (15...Bd5 16.Ba3 Ba3 17.Ra3 Ne5 18.Ne5= (worse 18.de5 Ne4 19.Nd6 Nd6 20.ed6 Qd6-/+)) 16.Bf3+= Rfd8 (16...Ne5 17.Ne5 Bd6 18.Ba3 Ba3 19.Ra3=) 17.Bb7+- Qb7 18.Nc6 Re8? (18...Rc6 19.bc6 Qc6 20.Qe2+-) 19.Qf3 (19.Ne7 Re7 20.Nd6 Qc7 21.Nc8 Qc8+-) 19...Rc7? (better 19...Kf8!?+-) 20.Ba3+- Ba3 21.Ra3 (21.Na3?! Nb8 22.Rfc1 a4+=) 21...Nb8?? (21...Qa8+-) 22.Nd6 (22.Nd6 Nc6 23.Nb7+- (23.bc6?! Qc6 24.Ne8 Ne8+=)) 1–0. BeepBeepImAJeep (2610) – DarkApollyon (2480), lichess.org, 2016.

7.Nf3 c5 8.cd5 (8.Be2 0-0=) 8...ed5 9.Be2 0-0 (9...a6 10.Nc3=) 10.0-0 (10.a5 Re8=) 10...b6 (10...a6 11.Nc3=) 11.d3 (11.Qc2 Bd6=) 11...Bb7 12.Nbd2 (12.Qc2 Bd6=) 12...Rb8 (12...a6 13.Qb3=) 13.Nh4 Qc7 (13...Ne8 14.Nf5=) 14.Nf5+= Ne5 (14...Rfe8 15.Qc2+=) 15.Ne7 (15.a5 Bc8 16.Ne7 Qe7+=) 15...Qe7 16.d4 (better is 16.a5+=) 16...cd4? (better is 16...Ng6+=) 17.Ba3+- (17.Bd4?! Ne4+/-) 17...Qe6 (17...Qd8 18.ed4 Ng6 19.Bf8 Qf8 20.a5+-) 18.ed4 Nc4 19.Bf8 Kf8 (19...Rf8 20.Re1 Nd2 21.Qd2+-) 20.Re1 Ne4? (20...Nd2 21.Qd2 Qd6+-) 21.Bc4 dc4 22.Ne4 Be4 23.f3 Re8 (23...Bf3 24.Qf3 (24.Re6?! Bd1 25.Rc6 Be2+-; worse is 24.gf3 Qd5+-) 24...Qd7 25.Qc3+-) 24.Re4 Qd7 (24...Qd5 25.Re8 Ke8 26.Qe2 Kf8 27.Qe4+-) 25.Re8 Qe8 26.Qd2 (26.Qe1 Qe1 27.Re1 c3+-) 26...Qc8 (26...Kg8 27.Rc1+-) 27.Qb4 Kg8 28.Rc1 1–0. DEFFM – GuestVSGV, freechess.org, 2018.

7.Nf3 Qc7 8.Be2 e5 9.Nc3 e4 10.Nd4 0-0 11.bc6 bc6 12.cd5 cd5 13.Ncb5 Qb8?? (better 13...Qb6=) 14.Nc6+- Qb7 15.Ne7 Kh8 16.Ba3 Qb6 17.a5! Qa5 18.Nd5! Nd5 19.Bf8 Qb6 20.Ba3 Qg6 21.0-0 Ne5 22.f4 (22.Bh5 Qe6+-) 22...Bh3 23.Rf2 Ng4 24.f5 (better 24.Bg4 Bg4 25.Qb3 Nb6+-) 24...Qg5 (24...Qf6 25.Bg4 Bg4 26.Qc1+-) 25.Nd6 Nf2 (25...Qf6 26.Qb3 Nde3 27.Nf7 Kg8 28.Ne5 Kh8 29.Bb2 Ne5 30.Ra7+-) 26.Nf7 (26.Kf2?? Qg2 27.Ke1 Qg1 28.Bf1 Qf1) 26...Kg8 27.Ng5 (27.Kf2?? Qg2 28.Ke1 Qg1 29.Bf1 Qf1) 27...Nd1 28.Bc4 Rd8 29.Rb1 (29.Rb1 N1e3 30.de3+-) 1-0. marekt (2210) - ravindraveena04 (1995), gameknot.com, 2021.

7.Nc3 a6 8.Be2= ab5 (8...Nbd7 9.bc6 bc6 10.Rb1+=) 9.ab5 Ra1 10.Qa1 cb5 (10...c5 11.0-0=) 11.Nb5 Bd7 12.Ne5 (12.0-0 Bb5 13.Bb5 Nc6=) 12...Bc6 (12...Bb5 13.Bb5 Qc7 14.c4=) 13.0-0+= Nbd7 14.Nc6 (14.Rb1 Ne5 15.Be5 Qd7+=) 14...bc6= 15.Nd4 Qc7 16.f4 (16.Qa4 Rc8=) 16...Re8 (16...Rb8 17.Rb1=) 17.Nf3 (17.Qa4 Rc8=) 17...Bf8 (17...Rb8 18.c4=) 18.Ne5 (18.c4 Rb8=) 18...Be7 (18...Rb8 19.Nd7 Nd7 20.c4=) 19.Nd7 (19.Qa6 Rc8=) 19...Qd7 20.Be5 Rc8 (20...Rd8 21.f5=) 21.Rb1 Ne8 (21...Qe8 22.c4=) 22.Rb3 (22.Qa6 Nd6=) 22...f6 23.Bc3 (23.Bb8 Bd6 24.Qb2 Qd8 25.Bd6 Nd6=) 23...Nd6 24.d3 Nf5 25.Bd2 c5 (25...Bc5 26.d4 Bd6 27.Qa4=) 26.Qb1 (26.Qa6 Nd6=) 26...Bd6 (26...c4 27.Rb7 Qd8 28.Bg4=) 27.Rb7 Qe8 (better is 27...Rc7!? 28.Rb8 Rc8=) 28.g4 Nh4 29.Be1 (29.Qb5 Qb5 30.Rb5 Rc6=) 29...Ng6 30.Bg3 (30.Qb6 Rd8=) 30...d4 (better is 30...Ra8=) 31.Bf3 (better is 31.Qb6!? Rb8 32.Rb8 Qb8 33.Qb8 Bb8 34.Kf2=) 31...de3-/+ 32.f5 (32.Qe1 Bf4 33.Bf4 Nf4 34.Qe3 Qa4-/+) 32...Bg3 33.hg3 Ne5 34.Be4 (34.Be2 Nc6 35.c3 ef5 36.gf5 Qe5–+) 34...Ng4 35.Kf1 ef5 36.Bf5 Nh6?? (36...e2 37.Ke1 Qe5 38.Bg4 Qg3 39.Ke2 Qg2 40.Kd1 Qg4 41.Ke1 Re8 42.Kd2 Re2 43.Kc3 Qd4 44.Kb3 c4 45.dc4 Re3 46.Ka2 Qc4 47.Rb3–+) 37.Qb3?? (better is 37.Bc8 Qc6 38.Kg1+-) 37...Kh8?? (better is 37...c4 38.Rg7 Kg7 39.Qb7 Nf7 40.Qc8 Qe5–+) 38.Bc8= Qc6 (38...Qc8?? 39.Rb8 Qg8 40.Rg8 Ng8 41.Qc4+-) 39.Ke2 Qg2 40.Ke3 Qg3 41.Kd2 Qf4 42.Ke2 Qh2 43.Ke3?? (better is 43.Kd1+-) 43...Qg3= 44.Kd2 Qf4 45.Ke2?? (45.Ke1 Qg3 46.Kd1 Qg1 47.Kd2 Qg5 48.Kc3 Qe5 49.Kc4 Qd4 50.Kb5 Qe5+-) 45...Qh2 46.Kf3 (46.Kd1 Qg1 47.Kd2 Qg5 48.Kc3 Qe5 49.Kc4 Qd4 50.Kb5 Qd8+-) 46...Qh1 47.Ke2?? (better is 47.Kf2+-) 47...Qh2= 1–0. Riveline – Antonni, Val Thorens, 1993.

7.Nc3 Bd6 8.Be2+=.

7.c4 c5 8.Be2 b6 9.0-0 Nbd7 10.Nc3 Bb7 11.d4 Qc7 12.cd5 Nd5 13.Nd5 Bd5 14.dc5 Nc5 (14...Qc5? 15.Ba3 Qa3 16.Ra3 Ba3 17.e4 Be4 18.Qd7+-; 14...bc5?! 15.Qc2=) 15.Nd4 Bd6 16.h3 Rfd8 17.Bf3 Bf3 18.Qf3 Nd3 19.Ba3 Ne5 20.Qe4 Ba3 21.Ra3 Qd6 22.Rc3 Nd7 23.Nc6 Re8 24.Rd3 Qc7 25.Rd4 Nc5 26.Qh4 e5 27.Rd5 Re6 28.Rfd1 f6? (better is 28...e4+=) 29.Qc4+- Kf7 30.Nd8 Rd8 31.Rd8 Qe7 (31...e4+-) 32.Qh4 f5 33.Qh7 Rf6 (33...Kf6+-) 34.Qh5 g6 (34...Rg6 35.Qf5 Qf6+-) 35.Qh8 (35.Qh7 Ke6 36.Qg8 Rf7 37.R8d6 Qd6 38.Qg6 Rf6 39.Qe8 Qe7 40.Rd6 Kd6 41.Qc6) 35...Re6 36.Rg8 Qf6 (36...Rd6 37.Qh7 Ke6 38.Qg6 Kd7 39.Rd6 Kc7 40.Rc6 Kb7 41.Rb6 ab6 42.Qc6 Ka7 43.Ra8) 37.Qh7 (37.Qh7 Qg7 38.Qg7) 1–0. Schiefelbusch,Dirk (2105) – Simanowski,Mio (1855), Dortmund GER, Sparkassen Open, 2012.

7.Bd3 cb5 8.ab5 b6 (8...Nbd7!?=) 9.0-0+= Bb7 10.Nc3 (10.Bd4 a5=) 10...Nbd7 (10...a5 11.ba6 Na6 12.Qe2=) 11.Nd4 (11.Qe2 Nc5=) 11...Nc5= 12.Be2 e5 (12...Qc7 13.Ra2=) 13.Nf5+= d4 14.Na4 Na4 (14...de3!? 15.fe3 Re8+=) 15.Ra4+/- Bc5 16.ed4 ed4 17.Bd4 (17.Bf3 Bf3 18.Qf3 Qd7 19.Nd4 Bd4 20.Bd4 Qb5+/-) 17...Bd4 18.Rd4 (18.Nd4 Ne4+/-) 18...Qc8?? (better is 18...Qc7+/-) 19.Ne7+- (19.Ne7 Kh8 20.Nc8 Rfc8 21.Bc4+-) 1–0. Wall,Bill – KingSpasski, chess.com, 2010.

7.Bd3 Qc7 8.Na3 (8.Be5 Qb6=) 8...c5 (8...Nbd7 9.0-0+=) 9.c4= Rd8 (9...Nbd7 10.Qc2=) 10.Be5 Bd6 (10...Qb6 11.0-0=) 11.Bf6+= gf6 12.Nh4 (12.Qc2 h6+=) 12...f5 (12...Bh2? 13.b6 ab6 14.Nb5+-) 13.0-0 (better is 13.Qh5!?=) 13...Bh2-/+ (13...Bh2 14.Kh1 Be5-/+) 0–1. AbstractPoetic – vish_17 (1605), internet, 2007.

7.Bd3 Nbd7 8.0-0+=.

7.d4 a6 8.c4 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.Qa4 cb5 12.cb5 Qc7 13.Bb2 Nd7 (13...Bd6 14.Bd3=) 14.Bd3 Nb6 15.Qb3 f5 (15...Nc4!? 16.0-0 Bd7=) 16.0-0+= Bd7 17.Rc1 Qb8 18.Ne5 f4?? (better 18...Rc8+=) 19.Be4+- (19.Nd7?! Nd7 20.Be4 fe3 21.fe3 Bd6+-) 19...de4 (19...fe3 20.fe3 Bd6 21.Bd3+-) 20.Nd7 Nd7 21.Qe6 Rf7 22.Qd7 Bc5 (22...Bf8 23.Qe6 Qd6 24.Qd6 Bd6+-) 23.Qe6 fe3 (23...Qd6 24.Qc8 Rf8 25.Qc5 Qe6+-) 24.Rc5 ef2 25.Kf1 e3 26.Rc8 (26.Rf5 e2 27.Ke2 Qf8+-) 26...Qc8 27.Qc8 Rf8 28.Qe6 Kh8 29.Qe3 (29.Qe3 h6 30.Qe7+-) 1–0. onur604 (2320) – vikky_sen (2055), lichess.org, 2020.

7.d4 Bb4 8.Nbd2+=.

7.d4 cb5 8.ab5 Nbd7 9.Bd3 Nb6 10.Nbd2 Bd7 11.0-0 Qc7 (11...Ne4 12.Ne4 de4 13.Be4 Bb5 14.Bd3+=) 12.Ne5+- Rfd8 13.Qf3 (13.Qe2 Bd6+-) 13...Bd6 14.Qg3 (14.h4+-) 14...g6? (better 14...Nc4 15.Bc4 dc4=) 15.Qf4+- Nh5 (15...Be5 16.de5 (16.Qe5?! Qe5 17.de5 Ne4+=) 16...Ne4 17.Ne4 de4 18.Qe4+-) 16.Qf7 Kh8 17.Ndf3 (better 17.Ba3!? Be5 18.de5 Qe5 19.Ra2+-) 17...Rf8+- 18.Ng6! hg6 19.Qg6 Be8 (19...Nf6!? 20.Qh6 Kg8+-) 20.Qh6+- (20.Qe6?! Rf6 21.Qh3 Rh6+-) 20...Kg8 21.Qe6 Bf7 22.Qg4 Kh8 (22...Ng7 23.Qh4 Bh5 24.Ne5+-) 23.Ne5 Be5?? (23...Be8+-) 24.de5 Qe5 (24...Nc4 25.Bd4 Be8 26.e6 Rf6+-) 25.Be5 (25.Be5 Nf6 26.Bf6) 1–0. DEFFM – GuestLNSN, freechess.org, 2019.

7.d4 c5 8.c4 dc4 9.Bc4= Nd5 (9...Nbd7 10.0-0=) 10.0-0+= Bf6 (10...Nd7!?+=) 11.e4+- Nb6 (11...Nb4 12.Nbd2+-) 12.Bd3 cd4 13.e5 Be7 14.Qc2 h6 15.Rd1 (15.Bd4 a6+-) 15...a6 16.Nd4 Nd5 17.Nc3 (better 17.Bc4+-) 17...Nf4? (17...Nb4 18.Qe2 Nd3 (18...Qd4?? 19.Bh7 Kh7 20.Rd4+-) 19.Rd3 Nd7+-) 18.Bh7+- Kh8 19.Ne6! Qe8 (19...Be6 20.Rd8 Discovered attack; 19...Ne6 20.Rd8 Discovered attack; 19...fe6 20.Rd8 Discovered attack) 20.Nf4 (better 20.Nc7 Bg4 21.Ne8 Bd1 22.Rd1 Re8+-) 20...Nd7 (20...ab5 21.Nb5 Bg5 22.Nc7+-) 21.Ncd5 Ra7 (21...Bg5 22.Nc7 Bf4 23.Ne8 Re8+-) 22.Nc7 Qd8 23.b6! Bg5 (23...Nb6 24.Rd8 Pinning (24.Rd8 Deflection)) 24.ba7 Bf4 25.a8Q Bh2 26.Kh2 Qh4 27.Kg1 Qg5 28.Rd7 g6 (28...Qd8 29.Rd8 Rd8 30.Rd1 Rf8 31.Ba3 h5 32.Bf8 f5 33.ef6 gf6 34.Ne6 f5 35.Qc3 Kh7 36.Qg7) 29.e6 Kh7 (29...f6 30.Nd5 Bd7 31.Qf8 Kh7 32.Qf7 Kh8 33.Bf6 Qf6 34.Nf6 Be6 35.Qh7) 30.Qc3 (30.Qc3 Qg2 31.Kg2 Rg8 32.Rf7 Rg7 33.Qg7) 1–0. DEFFM – Jinjax, freechess.org, 2020.

7.d4 Bd7 8.Ba3 Ne4=.

7.d4 Bd7 8.Bd3 Bb4 9.Nbd2+=.

7.d4 Bd7 8.Bd3 cb5 9.ab5 Qb6 (9...a6 10.0-0=) 10.Nc3 (10.Ba3 Ba3 11.Na3 Qa5 12.Qd2 Qc7+=) 10...Bb4 11.0-0 Rc8 (11...Bc3 12.Bc3 Rc8 13.Ba5+=) 12.Na4 Qd8 13.Ne5 (13.Ba3 Ba3 14.Ra3 Ne4+=) 13...Be8 (13...a6 14.Nc5=) 14.c3 Bd6 15.f4 (15.Ba3 a6 16.Nc5 A) 16...Bb5?? 17.Nb7 Bd3 18.Nd8 (18.Bd6?! Qb6 19.Qd3 Qb7+=) 18...Bf1 19.Bd6 (19.Qf1?! Ba3 20.Ndf7 Bb2+-; 19.Kf1?! Rd8 20.Bd6 Rd6+-) 19...Rd8 20.Bb8+- (20.Kf1?! Rd6 21.Qb3 Nbd7+-; 20.Qf1?! Rd6 21.c4 Rb6+-); B) worse 16...ab5 17.Nb7 Qc7 18.Nd6 (18.Bd6?! Qb7 19.Qb3 Ne4 20.Be4 de4+/-) 18...Ra3 19.Nc8 Ra1 20.Qa1 Qc8 21.Rb1+-; C) 16...Bc5 17.Bc5 Nbd7 18.ba6 Nc5 19.dc5 ba6 20.Ra6 Ra6 21.Ba6 Rc5=+) 15...Nbd7 (15...a6 16.Nc5 Bc5 17.dc5 Rc5 18.c4=) 16.c4+= dc4 17.Nc4 Be7 18.f5 ef5 19.Rf5 (19.Qf3 a6 20.b6 Nf8=) 19...Nf8= 20.Ne5 Ng6 (20...N8d7 21.Rf2+=) 21.Ng6 hg6 22.Rf2 Qd5 23.Nc3 Qg5 (23...Qh5 24.Be2 Qh6 25.Bf3+/-) 24.Qf3 Bb4 (24...Qh6!?+/-) 25.Ne4+- (25.Qb7 A) 25...Rc3 26.Bc3 (26.Qa8 Rd3 27.Rf6 gf6 28.Qe8 Kg7=+) 26...Bc3 27.Qa8 Ba1 28.Rf3+/-; B) 25...Qe3 26.Ra7 B1) 26...Rc3?! 27.Ra8 (27.Qa8? Rd3 28.Qf3 Bb5-+; 27.Bc3?? Ra7 28.Qa7 Bc3-+) 27...Rd3 28.Qf3=+; B2) 26...Bc3 27.Ra8 Be1-+) 25...Ne4 26.Be4 (26.Qe4?! Bb5 27.Qb7 Bd3 28.Qb4 Qe3=) 26...Rab8 27.Bb7 (27.Bd5!? Qf5 28.Qf5 gf5 29.Ra7 g6 30.Rb7 Kf8+-) 27...Rc7 28.Bc6 (28.Ra7 Qe7-/+) 28...Bc6 29.bc6 Bd6 (29...Rb5 30.Rc2+-) 30.e4 Rb6 (30...Qh4 31.g3 Qd8 32.Rc2+-) 31.e5 Bf8 32.e6! f6 (32...fe6 33.Qf8 Pinning (33.Qf8 Deflection)) 33.Rc2 Bd6 34.d5 Rb5 35.Rd1 Kf8 (35...a5 36.Bc1 Qh4 37.g3+-) 36.Ba3 Qe5 37.Bd6 Qd6 38.Qg3 Rc6 (38...Ke7 39.Qg6 Kd8+-) 39.Rc6 Qg3 40.hg3 1-0. onur604 (2320) - Roshdy2020 (2355), Casual Rapid game, lichess.org, 2021.

7.d4 Bd7 8.Bd3 c5 9.c4 (9.dc5 Qc7=) 9...dc4 10.Bc4 a6 (10...cd4 11.Bd4 Qa5 12.Nbd2+=) 11.0-0 cd4 (11...ab5 12.ab5 Ra1 13.Ba1+=) 12.Qd4+= ab5 13.ab5 Ra1 14.Ba1 Bc8 (14...Qa5 15.Nbd2+=) 15.Qf4+= Bd6 (15...Bd7 16.Be5+/-) 16.Bf6+/- gf6 17.Qh6 Re8? (better is 17...Qe7!?+/-) 18.Bd3+- Do you see the mate threat? 18...f5 19.Ng5 Threatening mate... how? 19...Qd7 (19...Qc7 20.b6 (20.Qh7?! Kf8+-) 20...Qd7 21.Bb5+-) 20.Bf5 ef5 21.Qh7 Kf8 22.Rd1 f4 (22...Bh2 23.Kh2 Qc7 24.g3 Be6 25.Ne6 Re6 26.Qh8 Ke7+-) 23.Rd6! Qf5 (23...Qd6 Deflection from f7 24.Qf7 The nicest combinations are those leading to mate) 24.Qh6 Ke7 The mate threat is Qxb1 25.Nc3 Be6 (25...Bd7 26.e4 Qg5 27.Rd7 Nd7 28.Qg5 Kf8+-) 26.Re6! fe6 (26...Qe6 27.Ne6) 27.Qg7 Kd6 (27...Kd8 28.Nf7 Qf7 29.Qf7 fe3 30.Qb7 ef2 31.Kf2 Nd7+-) 28.Nge4 Qe4 29.Ne4 Kd5 30.Qd4 1–0. Zulauff,Harri – Nittschalk,Karl, TT–18 ETC, 2005.

7.d4 Nbd7 8.Bd3 c5 9.0-0 c4 10.Be2 Ne4 11.Nfd2 Ndf6 12.f3 (12.Ne4 Ne4 13.Ba3 Ba3 14.Ra3 a6=) 12...Nd6 (12...Nd2 13.Nd2 a6 14.Bc3+=) 13.Re1 (13.e4 Nd7=) 13...Qc7+= 14.Nf1 (14.e4 de4 15.fe4 Nfe4 16.Ne4 Ne4 17.Bc4 Qc4 18.Re4 a6+=) 14...Qb6 (14...Bd7 15.Ba3-/+) 15.Nc3 Nf5 16.a5 Qd8 17.e4 de4 18.fe4 Nd4 (18...Qd4!? 19.Qd4 Nd4+=) 19.Bc4 e5 20.Ba3 Ba3 21.Ra3 Nc2?? (better is 21...Qe7 22.Ra2 Qc5-/+) 22.Qc2+- Qd4 23.Ne3 Ng4 24.Ncd5 Be6 25.Rd3 Qc5 26.h3 Bd5 (26...Ne3 27.Ne3 Rac8+-) 27.Bd5 (27.Rd5?! Ne3 28.Rc5 Nc2+=; 27.ed5?! Ne3 28.Ree3 Rac8+-; 27.hg4?! Bc4 28.Qc4 Rac8+-) 27...Qc2 28.Nc2 Nf6 29.Bb7 Rad8 (29...Rab8 30.a6 Nh5 31.Ra3+-) 30.Red1 Rde8 (30...Rd3 31.Rd3 Ne8 32.Bc6+-) 31.g4 Re7 32.Bc6 g5 33.Ne3 h5 34.Kg2 (34.Nf5 Re6 35.gh5 Nh5+-) 34...Rc7 (34...Re6 35.Nf5+-) 35.Rd6 Ne8 36.Rd8 Nf6 37.Nf5 hg4 (37...Rd8 38.Rd8 Kh7+-) 38.Rf8 1–0. Gaggiottini,M – Barni,N, 1995. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.b5 c6 5.a4 Be7 6.e3 0-0)

7.Be2 a6 8.0-0 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Qa5 12.Nc3 Ne4 13.Nd4 (13.Bd3 f5=) 13...e5 14.Nb3 Nc3 15.Na5 Nd1 16.Rd1 f6 17.Rb1 Bd8 18.Bc3 b6 (18...Na6!?=) 19.Nc6+/- Nc6 20.Bc6 Be6 21.Rb5 Kf7 22.Bd5 Bd5 23.Rd5 Ke6 24.Rb5 Rf7 (24...Bc7 25.d4+/-) 25.f4 ef4 26.ef4 Rd7 27.f5 Kf7 28.Kf2 Bc7 29.h3 g6 30.Ke3 g5 (30...Re7 31.Kd3+-) 31.Bd4 Bf4 (31...Rd8 32.c4+- (32.Bb6?! Rb8+=)) 32.Kd3 (32.Ke4 Bc7+-) 32...Bd2 (better 32...Be5 33.Rb4 h5+-) 33.Rb6 (33.Kd2?! Rd4 34.Ke3 Rd6+=) 33...Be1 (33...Kg7 34.Ke4+- (34.Kd2?! Rd4 35.Ke3 Rc4+/-)) 34.Rf6 Kg8 35.Ke4 1-0. onur604 (2320) - Bojan36 (2165), Casual Rapid game, lichess.org, 2021.

7.Be2 a6 8.Nc3 Bd7 9.Ne5 Be8 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Nb5 Nc6 14.f4 Ne5 15.Be5 Bc6 16.Rb1 Ne8 17.Nd4 Bf6 18.Nc6 bc6 19.Rb7 Nd6 20.Bf6+= Qf6 21.Qf6 gf6 22.Rd7 Ne4 23.d3 Nc3 24.Bh5 c5 25.Rc7 Na4 26.Kf2 f5 27.Ke2 Nb6 28.Rc5+- Rc8 29.Rc8 Nc8 30.c4 dc4 31.dc4 Kf8 32.Kd3 Ke7 33.Kd4 f6 34.Kc5 Nd6 35.Bf3 Kd7 36.Kb4 Kc7 37.c5 Nc8 38.Kc4 Ne7 39.Kd4 Nc8 40.h3 h6 41.e4 fe4 42.Be4 Na7 43.g4 Kd7 44.h4 Nb5 45.Kc4 Nc7 46.g5 fg5 47.fg5 hg5 48.hg5 Ke7 49.Kd4 Na6 50.Kc4 Nc7 51.c6 Kd6 52.g6 Ne8 53.Kb5 Kc7 54.Kc5 Ng7 55.Bg2 Ne8 56.Bh3 1–0. Lanca,Ivan (2105) – Perik,Alois (1855), Ostrava op–B, 2003.

7.Be2 cb5 8.ab5 Bd7 9.c4 dc4 10.Bc4 Ne4 11.0-0 Nd6 12.Qb3 a6 13.Nc3 Qb6 14.Na4 Qd8 15.Nc5 Nc4 16.Nd7 Nd7 17.Qc4 ab5 18.Ra8 Qa8 19.Qb5 Nc5 20.Ra1 Qc8 21.d4 Ne4 22.Ne5 Rd8 23.Nc4 Nd6 24.Nd6 Bd6 25.Ra7 Rd7 26.e4 f6 27.g3 Qc6?? 28.Qc6 bc6 29.Rd7 1–0. vik – smugo, Internet, 2001.

7.Be2 cb5 8.ab5 Nbd7 9.0-0 Nb6 10.d3 Qc7 11.Nbd2 Bd7 12.c4 a6 13.ba6 ba6 14.Qc2 Bc6 (14...dc4 15.dc4 Bc6 16.Be5=) 15.c5 (15.Be5 Qc8+=) 15...Nbd7= 16.Nd4 Bc5? (better 16...Rfb8+=) 17.Nc6+- Qc6 18.d4 Rfc8 19.dc5 Nc5 (19...Qc5 20.Qd3+-) 20.Qc3 (20.Bf6 gf6 21.Qc3 Kg7+-) 20...Ncd7 21.Qc6 (21.Qa3 Qc5+-) 21...Rc6+/- 22.Rfc1 Rc1 23.Rc1 a5 24.Rc7 Kf8? (better 24...h6!?+/-) 25.Bb5+- Nb6 26.Bd4 Nc4 27.Nc4 dc4 28.Kf1 Ne4 (28...Ne8 29.Rc4 Nd6+-) 29.Bc6 (29.Bc6 Nd2 30.Ke2+-) 1-0. Mely (2850) - syzygy (2145), ChessWorld.net, 2011.

7.Be2 b6 8.0-0 c5 9.a5 ba5 10.Bc3 Bb7 11.Ba5 Qc8 12.c4 Nbd7 13.Nc3 Nb6 14.d3 Rd8 15.Qc2 d4 16.ed4 cd4 17.Na4 Bc5 18.Nc5 Qc5 19.Qd2 Qf5 20.Rfc1+/- Nfd7 21.Nd4 Qg6 22.Nc6 Ne5?? 23.Ne7+- (23.Ne7 Kf8 24.Ng6 hg6 25.Qb2+-) 1–0. pcmvr (2870) – rr (2400), net–chess.com, 2008.

7.Be2 c5 8.0-0 Nbd7 9.d4 b6 10.Nbd2 Re8 11.c4 Bb7 12.Ne5 Nf8 (12...cd4 13.Nd7 Nd7 14.Bd4=) 13.Ndf3 h6 14.Bd3 Ne4 15.Nd2 f6 16.Nef3 f5 (16...cd4 17.ed4 Nd2 18.Nd2= (worse 18.Qd2 dc4 19.Bc4 Bf3 20.gf3 Bd6=+)) 17.Ne5+= Bf6 18.f3?? (better 18.Be4 de4 19.a5+=) 18...Nd2-+ 19.Qd2 g5?? (better 19...Be5 20.de5 dc4-+) 20.cd5 ed5 (20...Bd5!? 21.Rac1 Rc8+=) 21.Bf5+- Be5 22.de5 Qe7 23.Rfd1 Rad8 24.Rac1 Nd7 25.e6 Nf6 (25...Rf8 26.Qc2 (26.ed7?! Rf5 27.Qc3 Qh7+/-) 26...Nf6 27.Bh3+-) 26.Qc2 (26.Bg6 Qe6 27.Be8 Re8+-) 26...Kg7 (26...Rf8 27.Bh3 Qe8 28.Be5+-) 27.Qc3 (27.Bg6 Qe6 28.Bh5 Kf8 29.Be8 Ne8+-) 27...Rd6 (27...Bc8 28.Bb1 Be6 29.Qd3+/-) 28.Bg4 (28.Qd3 Rf8+-) 28...Kg6? (better 28...Bc8 29.Bh5 Red8+/-) 29.Qd3+- Kg7 30.Bh5 Rf8 (30...Re6 31.Qg6 Kf8 32.Qh6 Qg7 33.Qg7 Kg7 34.Be8 Re8+-) 31.Qg6 Kh8 32.Qh6 Kg8 33.Qg5 Qg7 (33...Kh7 34.Bg6 Kh8 35.Bf7 Rf7 36.ef7 Qf7 37.Qh4 Kg8 38.Qg3 Kh7 39.Qd6+-) 34.Bf6 Rf6 35.Qg7 Kg7 36.Bf7 (better 36.e7 Rfe6 37.e8Q Re8 38.Be8 Re6+-) 36...d4 (36...Bc8 37.e4 Be6 38.Be6 Rfe6 39.Rd5 Rd5 40.ed5 Rd6+-) 37.ed4 cd4 (37...Bc8 38.dc5 Rd1 39.Rd1 bc5 40.Rd6+-) 38.Rc7 Ba8 39.Be8 (39.Ra7!? Rf5+-) 39...Kh6 (39...Kf8 40.Bd7 Bf3 41.gf3 Rg6 42.Kf2+-) 40.Bd7 Kg5 (40...Bd5 41.Rd4 Rg6 42.Rh4 Kg5 43.e7+-) 41.g3 (41.e7 Rde6 42.h4 Kg6 43.Be6 Re6 44.Rd4 Kf7 45.Rf4 Kg6+-) 41...Rd5 (41...Rfe6 42.Be6 Re6 43.Kf2+-) 42.h3 (better 42.e7 Re5 43.f4 Rf4 44.gf4 Kf4 45.Rf1 Bf3+-) 42...Kf5 (42...Rf3 43.e7 Re5 44.h4 Kf6+-) 43.e7 Ke5 44.e8Q (44.Re1 Kd6 45.e8N) 44...Kd6 45.Rc6! Bc6 46.Bc6 Kc5 (46...Rf8 47.Qd7 Kc5 48.Qd5 Kb4 49.Qd4 Ka5 50.Qc3 Ka4 51.Rd4) 47.Rc1 Kb4 48.Qe1 Ka4 (48...Kb3 49.Qd1 Kb4 50.Qd2 Kb3 51.Rb1 Ka3 52.Ra1 Kb3 53.Bd5) 49.Ra1 (49.Rb1 a5 50.Qd1 Ka3 51.Qb3) 49...Kb3 50.Qd1 (50.Bd5 Kc2 51.Ra2 Kd3 52.Qd2) 50...Kb4 (50...Kc3 51.Qc1 Kd3 52.Ra3 Ke2 53.Qc2 Ke1 54.Ra1) 51.Rb1 (51.Qc2 Rc6 52.Rb1 Ka3 53.Qb3) 51...Kc5 52.Qc2 (52.Qb3 Kd6 53.Qd5 Ke7 54.Re1 Kf8 55.Re8 Kg7 56.Qg5 Rg6 57.Qe7 Kh6 58.Rh8) 52...Kd6+- 53.Bd5 Kd5 (53...Kd7 54.Rc1 Rh6 55.Qc7 Ke8 56.Qb7 Rc6 57.Rc6 a6 58.Rc8) 54.Qb3 (54.Qe4 Kc5 55.Rc1 Kb4 56.Qd4 Ka5 57.Qc4 Rf3 58.Ra1 Ra3 59.Ra3) 54...Ke5 55.Qd3 (55.Re1 Kd6 56.Qc4 Kd7 57.Qd5 Rd6 58.Qb7 Kd8 59.Re7 a6 60.Qc7) 55...Ke6 56.Re1 Kf7 (56...Kd7 57.Qd4 Rd6 58.Qg7 Kd8 59.Qe7 Kc8 60.Rc1 Rc6 61.Rc6 Kb8 62.Qd8 Kb7 63.Rc7) 57.Qd4 (57.Qh7 Kf8 58.Re7 Rf3 59.Qg7) 57...Kg6 (57...Rf5 58.Qd7 Kg6 59.Re6 Rf6 60.Qe8 Kg7 61.Re7 Kh6 62.Qh8 Kg6 63.Qh7 Kg5 64.h4) 58.Qe4 (58.Qg4 Kf7 59.Qh5 Kf8 60.Re8 Kg7 61.Re7 Rf7 62.Rf7 Kg8 63.Qh7) 58...Kg7 (58...Kh6 59.Qh4 Kg7 60.Re7 Rf7 61.Re6 Kg8 62.Qg5 Kf8 63.Qh6 Rg7 64.Qh8 Kf7 65.Qe8) 59.Qe7 Kg6 (59...Kh8 60.Qf6 Kg8 61.Re8 Kh7 62.Rh8) 60.Qf6! Kf6 61.f4 Kf5 62.Ra1 Kf6 63.Ra7 Ke6 64.Ra6 Kd5 65.Rb6 Kc5 66.Rc6 Kb4 67.Re6 (67.b6 Kb5 68.Re6 Kc4 69.b7 Kd5 70.Re5 Kd6 71.b8Q Kc6 72.Qc8 Kb6 73.f5 Ka7 74.Qc7 Ka6 75.Ra5) 67...Ka4 68.Re5 (68.b6 Kb4 69.b7 Kb5 70.b8Q Kc5 71.Qc7 Kd4 72.Rd6 Ke4 73.Qe7 Kf5 74.Qe6) 68...Ka5+- 69.g4 Kb6 70.h4 Ka5 71.h5 Kb4 72.h6 Kc4 (72...Kb3 73.h7 Kc3 74.Re7 Kc2 75.Rc7 Kb2 76.h8Q Kb3 77.Qc3 Ka4 78.Rc4 Kb5 79.Rb4 Ka6 80.Qa1) 73.h7 Kd3 74.h8Q Kc3 (74...Kc4 75.Re4 Kc5 76.Qc3 Kb6 77.Qc6 Ka7 78.b6 Kb8 79.Re8) 75.Qc8 (75.Re4 Kc2 76.Rc4 Kd3 77.Qc3 Ke2 78.Re4 Kd1 79.Re1) 75...Kb4 (75...Kb3 76.b6 Kb4 77.b7 Ka3 78.b8Q Ka4 79.Qa6) 76.b6 Ka4 77.b7 (77.b7 Kb4 78.b8Q Ka4 79.Qa6) 1-0. Borkoff (2205) - kasperoff (1795), Hourly SuperBlitz Arena, lichess.org, 2020.

7.Be2 c5 8.c4 a6 9.0-0 Re8 10.d4 cd4 11.Qd4 Nbd7 12.cd5 Nd5?? (better 12...Nc5 13.de6 Be6 14.Qd8 Red8+=) 13.Qg7 1–0. DEFFM – GuestRNPN, freechess.org, 2019.

7.Be2 Bd7 8.0-0 a6 9.Ne5=.

7.Be2 Bd7 8.0-0 cb5 9.ab5 Qc8 (9...a5 10.Be5=) 10.Ne5 Be8 11.c4 (11.Bd4 a6+=) 11...Nbd7 12.Nd7 (12.d3 a6+=) 12...Bd7= (< 12...Nd7 13.cd5 ed5 14.Qb3+/-) 13.Qb3 dc4 14.Qc4 (14.Bc4 Qc7=) 14...Qd8 (14...Qb8 15.Bf6 Bf6 16.Ra2=) 15.Nc3 (15.Be5 Qb6=) 15...Rc8 (15...Qb8 16.Qh4=) 16.Qd3 (16.Qa2 Ra8+=) 16...Ra8 (16...Qb6 17.Na4 Qc7 18.Rac1=) 17.Rfc1 Qe8 (17...Bc8 18.Qd8 Rd8 19.d4+=) 18.e4 (better is 18.Bf3+=) 18...e5 (better is 18...Qb8!?+=) 19.Nd5+- Nd5 20.Qd5 (20.ed5?! Bd6=) 20...Bf6 21.Qb7 Rb8+/- 22.Qa7 Bb5 23.Bb5 Qb5 24.Bc3 Rfc8 25.Qa6 Qd7 26.Bb2 Rd8 27.Bc3 h6 28.Qa4 Qb7 29.g3 Ra8 30.Qb4 Qd7 31.Ra8+/- Ra8 32.Ra1 Rc8 33.Qb1 Qc6 34.Qc2 Be7 35.Qa4 Qc5 36.Rb1 f6 37.Bb4 Qc7 38.Be7 Qe7 39.Qb3 Kh7+= 40.Qf3 g6 41.h4 h5 42.g4 hg4+= 43.Qg4 Rg8 44.f4 ef4 45.Qf4 g5 46.Qf5 Kh6+/- 47.Kf2 gh4 48.Qf4 Rg5 49.Qh4 Kg6 50.Rh1 Qc5 51.Kf1 Qc4 52.Ke1 Qc1 53.Kf2 Qd2= 54.Kf1 Qd1 55.Kf2 Qd2 ½–½. Melzig,Ernst – Buss,Richard, Wch Seniors Bad Liebenzell, 1996.

7.Be2 Bd7 8.d3 cb5-/+ 9.ab5 Bb5 10.0-0 Nbd7 (10...Bd6 11.Nbd2=+) 11.Nbd2 (11.Nd4 Bc6=+) 11...Qc7-/+ 12.Qb1 a6 (12...Bc6 13.Nd4-/+) 13.c4 dc4 14.dc4 Bc6 15.Nd4 (15.Rd1-/+) 15...Rac8 (15...Bd6 16.N2f3-/+) 16.N2f3? (better is 16.Nc6!? Qc6 17.Bf3=+) 16...Be4-/+ 17.Qa2 (17.Nc2 Bf3 18.Bf3 Bd6-/+) 17...Nb6 (17...e5 18.Nb3-/+) 18.Ng5 (18.Nd2-/+) 18...Bf5 (18...Nc4 19.Ne4 Ne4 20.Rfc1-/+) 19.c5? (19.Nf5 ef5 20.Rfc1 Ne4 21.Ne4 fe4=+) 19...Bc5 (19...Qc5 20.Qb3 Bc2 21.Nc2 Qc2 22.Qb6 Qe2 23.Qb7–+) 20.Rac1? (20.Nf5!? ef5 21.Bf6 gf6 22.Nf3=+) 20...Qe7 21.Nb3 h6 22.Nf3 Rfd8?? 23.Nc5= Rc5 24.Ba3 Ne4 25.Bc5 Nc5 26.Qa5 Nb3? 27.Qb6+- Nc1 28.Rc1 Rd6 29.Qc5 Qd7 30.Nd4 Be4 31.f3 Bg6 32.Nb3 Rc6 33.Qa3 Rc1 34.Qc1 b5 35.Kf2 Qd6 36.Qc3 Qh2+= 37.Qc8 Kh7 38.Qa6 ½–½. Lin,Ang Keng – Sag,Andrew, University Open, 2003.

7.Be2 Ne4 8.0-0 f5 (8...a6 9.d3 Bf6 10.Bf6 Qf6 11.Ra3=) 9.d3+= Nc5 10.Nbd2 Bf6 (10...a6 11.ba6 b6 12.Nb3=) 11.Bf6 Rf6 12.Qb1 Nbd7 13.Nb3 (13.c4 a6+/-) 13...Qc7 (13...Nb3 14.Qb3 e5 15.c4+=) 14.Qb2 (14.Nc5 Nc5 15.d4 Ne4+=) 14...Rh6 (14...Nb3 15.Qb3 e5 16.d4=) 15.h3 (15.Nc5 Nc5 16.d4 Ne4+/-) 15...Nb3= 16.Qb3 e5 17.c4 Nc5 18.Qa3 b6 (18...Nd3 19.Bd3 e4 20.cd5 ef3 21.Rfc1+=) 19.Rfc1 Qd6 (19...d4 20.ed4 ed4 21.a5+= (worse 21.Nd4 Qe5=)) 20.Bf1 (20.cd5 cb5 21.ab5 Bb7+-) 20...Bd7 (20...d4 21.ed4 ed4 22.Qb2+=) 21.d4 (21.Ne5!? Qe5 22.d4+/-) 21...ed4+= 22.ed4 Ne4 23.Qd6 Rd6 24.Ne5 (24.cd5 cd5 25.Ne5 Be8+/-) 24...Be8 25.bc6 Bc6 26.Nc6 Rc6 27.cd5 Rd6 (27...Rc1 28.Rc1 Rd8 29.Rc7+/-) 28.Rc7 Nd2 (28...Nf6!?+/-) 29.Bb5 Nb3 (29...a6 30.Bc6 Rad8 31.Rb7+-) 30.Rd1 a6 31.Bc6 Rb8 32.Rd7 (32.Rd3!? Na5+-) 32...Rd7+/- 33.Bd7 Rd8 (33...f4!?+/-) 34.Bf5 g6 (34...b5 35.ab5 ab5 36.Be6 Kf8 37.Rd3+-) 35.Be6 (35.Bd3 Na5+-) 35...Kg7 36.Rd3 (36.Kh2 Rd6+-) 36...Na5 (better 36...Nc1 37.Rf3 Ne2 38.Kf1 Nd4 39.Rf7 Kh8+-) 37.Rc3 b5 38.ab5 ab5 39.Ra3 (39.Rc7!? Kh6+-) 39...Nc4 40.Ra7 Kh6 (40...Kh8 41.f4+-) 41.Rb7 (41.g4!? Rh8+-) 41...Nd6 42.Rb6 Ne4 (42...Kg7 43.Bg4+-) 43.Rb5 Nc3 44.Rb2 Nd5 45.Bd5 Rd5 46.Rd2 Kg5 47.g3 h5 48.Kg2 h4 49.Kf3 Rf5 (49...Rd6 50.Ke4+-) 50.Ke4 hg3 51.fg3 Rf8 52.Rd3 Re8 53.Kd5 Kf6 54.Rf3 Kg7 (54...Kg5 55.Kc6+-) 55.Rf4 (55.Kc6!? Rc8 56.Kd7 Rh8+-) 55...Re3 56.Rg4 Kf6 57.h4 Kg7 (57...Ra3 58.Rf4 Ke7 59.g4+-) 58.Kd6 (58.h5 Kh6 59.hg6 Kg7+-) 58...Kh6 (58...Kf7 59.d5+-) 59.d5 Kh5 60.Rg5 Kh6 61.Kd7 Kg7 62.d6 (62.h5 Kf8 63.hg6 Re7 64.Kc6 Ra7+-) 62...Kf6 63.Kd8 Rd3 64.d7 Kf7 (64...Rc3 65.Rd5 Kf7 66.g4+-) 65.Kc7 Rc3 (65...Ke7 66.Re5 Kf6+-) 66.Kd8 (better 66.Kd6 Rd3 67.Rd5 Rd5 68.Kd5+-) 66...Rc4?? (66...Rd3 67.Rc5 Rg3+-) 67.g4+- White plans h5 67...Rc6 (67...Kf6 68.Rd5 Kf7 69.h5 gh5 70.gh5+-) 68.h5 gh5 69.gh5 Rd6 (69...Ra6+-) 70.Kc7 Ke7 71.Re5 Kf6 (71...Kf7 72.Kd6 Kg7 73.d8Q Kh7 74.Qe7 Kh8 75.Qf8 Kh7 76.Re7) 72.Re8 (72.Kd6 Kf7 73.Rg5 Kf6 74.d8Q Kf7 75.Qe7) 72...Rd7 (72...Rd2+-) 73.Kd7 Kg7 (73...Kf5 74.Re6 Kg4 75.h6 Kh4 76.h7 Kg3 77.Rf6 Kg4 78.h8Q Kg5 79.Qg7 Kh5 80.Rh6) 74.Re6 (74.Ke7 Kh6 75.Kf6 Kh5 76.Re4 Kh6 77.Rh4) 74...Kh7 (74...Kf8 75.Rg6 Kf7 76.Kd6 Ke8 77.Rf6 Kd8 78.Rf8) 75.Rg6 Kh8 76.Ke7 Kh7 77.Kf7 Kh8 78.Rh6 1-0. algernon (2415) - jjrizzo (2420), net-chess.com, 2022.

7.Be5 Nbd7+=.

8.0-0 c5 9.c4 b6 10.d4 Bb7 11.Nbd2 Rc8 12.Rc1 cd4 13.ed4 dc4 14.Nc4 Nd5 =. Grund – Salamon, corr ICCF 1974.

8.0-0 Qc7 9.d4=.

8.0-0 Ne4 9.d3 Nec5 (9...Nef6 10.Nbd2=) 10.c4 (10.Nbd2 a6=) 10...Nf6 (10...dc4 11.dc4 Qc7 12.Qc1=) 11.Ne5 Qe8 (11...dc4 12.d4 Nb3 13.Ra2=) 12.f4 (12.d4 Nce4+/–) 12...Kh8 (12...dc4 13.dc4 Nfe4 14.Bh5=) 13.Rf3 (13.bc6 bc6 14.Nd2 Na6+=) 13...Kg8 (13...dc4 14.d4 Nce4 15.Bc4=) 14.Rg3 (14.Qc2 Bd7+=) 14...Kh8 (14...cb5 15.ab5 a6 16.Bf3+=) 15.Bh5 (15.bc6 bc6 16.Nd2 Na6+=) 15...g6 (better is 15...dc4!? 16.dc4 Nce4+=) 16.Bf3+/– Bd6?? (better is 16...dc4 17.bc6 cd3+/–) 17.Ng4+– 1–0. Wall,Bill – Chesster, internet, 2002.

8.0-0 Re8 9.d4 Bd6 10.c4 Ne4 11.c5 Bc7 12.Nbd2 f5 13.Qc2 Qf6 14.Nb3 g5 15.Nfd2 Qh6 16.g3 Ndf6 17.Ne4 Ne4 18.f4 Kh8 19.Bf3 Nf6 20.Rf2 Bd7 21.Qe2 Rg8 22.Kf1 Qg6 23.Ke1 g4 24.Bg2 Qe8 25.Bf1 Ne4 ½–½. Ebert,Lutz (1765) – Manke,Karsten (1835), Mecklenburg VP LL1, 2006. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 Be7 5.e3 c6 6.a4 0-0 7.Be2 Nbd7)

8.0-0 Re8 9.d4 Nf8 10.Nbd2 Qc7 11.c4 Ng6 12.Qb3 Bd6 13.Bd3 Bd7 14.Rfc1 Rac8 15.c5 Bf8 16.b6 Qb8 17.ba7 Qa7 18.a5 Qb8 19.Ra4 Qc7 20.Bc3 Ra8 21.Rb1 Bc8 22.a6 ba6+= 23.Ba5 Qe7 24.Rb4 Nd7 25.Qa4+/- Nc5 26.dc5 Qc5 27.Rb6 Bd7 28.Rb7 Ra7 29.Bb4 Rb7 30.Bc5 Rb1 31.Bb1 Bc5 32.Bg6 hg6 33.Ne5 (33.Ne5 Rd8 34.Nd7+-; 33.Qa6?! Bd6+-) 1–0. Kjaerstad,Eivind J – Fuernes,T, corr NPSF, 1991.

8.0-0 Ne8 9.c4 dc4 10.Bc4 cb5 11.ab5 Nd6 12.Be2 f5 (12...Nb6 13.Qb3+=) 13.d4 Nf6 (13...f4 14.Nc3+=) 14.Nc3 a5 (14...f4 15.Qd3+=) 15.d5 (15.Ne5 Nd7+=) 15...ed5 (15...Nde4 16.de6 Be6 17.Nd4+=) 16.Nd5+= Nd5 (16...Be6 17.Ne7 Qe7 18.Qa4+=) 17.Qd5 Nf7 18.Bc4 (18.Qb3 Bf6+=) 18...Qd5= 19.Bd5 Kh8 (19...Rd8!? 20.Bb3 Kf8=) 20.Rfc1+/– Bd6 21.Ba3 (21.Ra4 Nd8+/–) 21...Ba3+= 22.Ra3 Nd6 23.Rca1 Nb5 24.Ra5 Ra5 25.Ra5 Nc7 26.Bb3 (26.Bc4 Rd8 27.Nd4 g6+=) 26...g6 (26...b6 27.Ra7 Be6 28.Be6 Ne6 29.Rb7+/–) 27.h3 (27.Nd4 Kg7+=) 27...Kg7 28.Re5 (28.Nd4 Rd8+=) 28...Re8 ½–½. Meyer,Frank (2035) – Zimmermann,Manfred (1715), Wichern op 6th, 2001.

8.d4 c5 9.c4 dc4 10.0-0 cd4 11.Bd4 (11.Qd4 e5 12.Ne5 Ne5 13.Qe5 Be6+=) 11...b6 (11...Qc7!?=+) 12.Nbd2= Bb7 13.Nc4 Bc5 (13...Rc8 14.Rc1=) 14.a5 Bd4 (14...Rc8 15.ab6 ab6 16.Ra7=) 15.Qd4 Nc5 (better 15...Bd5!?+=) 16.ab6+/- ab6 17.Ra8 Ba8 18.Qd8 Rd8 19.Nb6 Nfe4 20.Nd4 e5 (20...Nc3 21.Rc1 Ne2 22.Ne2+-) 21.Nc6 (21.Na8?! ed4 22.ed4 Nc3+/-) 21...Bc6 22.bc6 Nc3? (22...Ne6+-) 23.Bc4 1-0. onur604 (2320) - Bogdan_asmayev (2170), Casual Rapid game, lichess.org, 2021.

7.ba6 Na6+= 8.Bd3 (8.Be2 0-0-/+) 8...0-0-/+ 9.0-0 Nc5 10.a5 (10.Ne5 Ra4 11.Nc3 Ra1 12.Qa1 Qc7-/+) 10...Nd3 11.cd3 Ra5 12.Ra5 Qa5 13.Bc3 (13.Qc2 c5-/+) 13...Qd8 (13...Qa6 14.Bf6 gf6 15.Qc2–+) 14.h3 (14.Qb3 b5-/+) 14...c5 (14...b5!? 15.Qc2–+) 15.Qb3-/+ Nd7 (15...Qd6 16.Bf6 Bf6 17.Nc3-/+) 16.Qb2 (16.Na3-/+) 16...Bf6 (16...Qb6 17.Bg7 Qb2 18.Bb2-/+) 17.d4 (17.Bf6 Nf6 18.Nc3 Qc7+=) 17...c4 18.Na3 Be7 (18...Qb6 19.Qb6 Nb6 20.Rb1+=) 19.Nc2 (19.Ra1 Nf6+=) 19...f6 (19...Re8 20.Ra1-/+) 20.Nh2 (20.Ra1 b6+=) 20...Qc7 21.f4 Bd6 (21...Nb8 22.Bb4-/+) 22.Na3 Qd8 (22...Ba3 23.Qa3 Re8 24.Nf3-/+) 23.Nb5+= Be7 24.Qa2 (24.Nf3 b6+=) 24...b6 25.Bb2 (25.Nf3 Nb8-/+) 25...Bb7 26.f5 (better is 26.Ba3!?-/+) 26...ef5–+ 27.Rf5 g6 (27...Qa8 28.Qa8 Ra8 29.Nc7–+) 28.Rf3 (28.Rf1 Qa8 29.Ba3 Qa4–+) 28...Bc6 29.Nc3 (29.Na7 Qc7 30.Nc6 Qc6–+) 29...Qa8 30.Qb1 Qb7 (30...f5 31.Ne2–+) 31.Qd1 (31.Ne2 b5–+) 31...b5 32.Rf1 (32.Ne2 b4–+) 32...b4 (32...Bd6 33.Ng4–+) 33.Ne2 Ra8 34.Ng4 (34.Nf4 Bd6–+) 34...Kg7 (34...f5 35.Nh2–+) 35.h4 (35.Nf4 f5 36.Ne5 Bb5–+) 35...h5 36.Nh2 Bd6 37.g4 Qc7 (37...hg4 38.Ng4 Bb5 39.Nf4–+) 38.Nf4 Bf4 39.ef4 Rh8 40.g5 f5 (40...Re8 41.Kg2–+) 41.Kg2 (41.Qe2 Qd6 42.Re1–+) 41...Re8 42.Kg3 (42.Re1 Re4 43.Re4 fe4–+ (43...de4?! 44.d5 Kf7 45.dc6 Qc6 46.Kg3+=)) 42...Qd6 (better is 42...Bb5!? 43.Rf3–+) 43.Nf3 Re4 44.Ne5 Nb6 45.d3 cd3 46.Qd3 Na4?? (better is 46...Nc4!? 47.Bc1 Bb5–+) 47.Qb3 (47.Ba1 Be8-/+) 47...Nb2-/+ 48.Qb2 Bb5 49.Rb1? (better is 49.Ra1 Re3 50.Kf2 Re2 51.Qe2 Be2 52.Ra7 Kf8 53.Ra8 Ke7 54.Ra7 Ke6 55.Rg7-/+) 49...Re3–+ 50.Nf3 (50.Kf2 Re2 51.Qe2 Be2 52.Ke2 Qa6 53.Ke3 Qa3 54.Nd3 b3–+) 50...b3 (better is 50...Qe7 51.Qa2 Be2–+) 51.Rg1 (51.Re1 Re1 52.Ne1–+) 51...Be2 52.Qe2 Re2 53.Ne5 (53.Ra1 b2 54.Ra2 Rc2 55.Ne5 Rc3 56.Kh2 b1Q 57.Ra7 Rc7 58.Rc7 Qc7 59.Nf3 Qcc2 60.Kg3 Qf1 61.Nd2 Qc3 62.Nf3 Qcf3 63.Kh2 Qf4) 53...Qc7 54.Kf3 (54.Nf3 b2 55.Rh1 Qc1 56.Rh2 Rh2 57.Kh2 Qc2 58.Kh3 b1Q 59.Kg3 Qf1 60.Nd2 Qc3 61.Nf3 Qcf3 62.Kh2 Qf4) 54...Rc2 (54...Ra2 55.Nc6 Qc6 56.Re1 Qc2 57.Re7 Kf8 58.Re8 Ke8 59.Ke3 Qe4) 55.Re1 (55.Kg3 b2 56.Rh1 Qc3 57.Nf3 Qe3 58.Rh2 Rh2 59.Kh2 Qf3 60.Kg1 b1Q 61.Kh2 Qbh1) 55...Qc3 56.Re3 (56.Nd3 Qd3 57.Re3 Qf1 58.Kg3 Qg2) 56...Qe3! 57.Ke3 (57.Ke3 b2 Mate attack) 57...b2 58.Nf3 (58.Nd7 b1Q 59.Nc5 Qe1 60.Kf3 Qf2) 58...Rc3 (58...b1Q 59.Nd2 Qe1 60.Kf3 Qd2 61.Kg3 Qe3) 59.Kf2 (59.Kd2 Rc8 60.Ke2 b1Q 61.Nd2 Re8 62.Ne4 Re4 63.Kf2 Qe1 64.Kg2 Qd2 65.Kf3 Re3) 59...b1Q 60.Nd2 (60.Ng1 Qe4 61.Ne2 Rc2 62.Kg1 Re2 63.Kf1 Qg2) 60...Qd3 (60...Qd3 61.Nf3 Qf3 62.Ke1 Qe4 63.Kf2 Rc2 64.Kg3 Qe3) 0–1. Bulon,Jan – Stefanides,Karol, Open Oravska Priehrada, 2016.

7.Nc3 0-0=.

7.Nc3 ab5 8.ab5 Ra1 9.Qa1 0-0 10.Be2 Bd7 11.0-0 Ne4 12.Ne4 de4 13.Ne5 Bf6 14.Qa4 c5? (better is 14...cb5!? 15.Qe4 Bc6 16.Nc6 bc6 17.Bf6 Qf6+/-) 15.Qe4+- b6 16.Ra1 Qe8 17.Bd3 g6 18.Ra7 (18.Ra8 Bb5 19.Qf4 Kg7+-) 18...Bg7 (better is 18...Bb5 19.Qf4 Be5 20.Qe5 f6+-) 19.Qf4 f6 20.Nd7 Nd7 21.Qc7 Rf7 22.Qc6 Kf8 (22...Bf8 23.Ra8 Qe7 24.Bc4+-) 23.Ra8 1–0. pcmvr (2850) – croach (2320), net–chess.com, 2011.

7.c4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Nc3 Qa5 11.Nd4 c5 12.Nf3 dc4 (12...0-0 13.Be2=) 13.Bc4 0-0 14.0-0 b6 (14...Bd6 15.Qc2=) 15.Ne5 (15.Qa4 Ne8+=) 15...Qb4 16.Be2 (16.Qa4 Bd6 17.Rb1 Qa4 18.Na4 Bc7+/-) 16...Bc8 (16...Qh4 17.Nc4+/-) 17.Qc2 (better is 17.Nc4 Nd5 18.Nd5 ed5 19.Nb6+/-) 17...Nfd7?? (17...Qh4 18.Qa4 Qh6 19.Ne4+=) 18.Rb1 (better is 18.Nc4 Ne5 19.Ne5+-) 18...Qh4+= 19.g3 Qf6? (19...Qh6 20.Nc6 Bf6 21.Ne4 Ba1 22.Ne7 Kh8 23.Ra1+=) 20.Nc6 (20.Nd5 ed5 21.Nd7 Qd6 22.Nf8 Bf8+-) 20...Nc6 (better is 20...Bd8!?+=) 21.bc6 Nb8? (21...Ne5 22.Na2+-) 22.c7 (better is 22.Nd5! Qg5 23.Ne7 Qe7 24.Rb6+-) 22...Nd7 23.Nd5! Qg5 (23...ed5 24.Bf6 Discovered attack) 24.Qb2?? (better is 24.Nb6 Bd6 25.Nd7 Bd7 26.f4+/-) 24...ed5–+ 25.Bb5 Bf6 26.d4 cd4 27.ed4 Nc5! 28.Bf1 (28.dc5 Bb2 Pinning (28...Bb2 Deflection)) 28...Bf5 29.Qb6 Na4 (better is 29...Bb1 30.Qc5 Rc8–+) 30.Qb8? (30.Qc6 Bb1 31.c8Q Rc8 32.Qc8 Bd8+=) 30...Bb1 (better is 30...Qd2 31.Qb4 Qc2–+) 31.Qf8?? (better is 31.c8Q Rc8 32.Qc8 Bd8 33.Qd7+=) 31...Kf8–+ 32.c8Q Bd8 33.Qa8 (33.Qc6 Nb6 34.Bc3 Qf6 35.Bb4 Be7 36.Qf6 gf6–+) 33...Nb6 34.Qb8 Ke8 (better is 34...Qe7!? 35.Bc3 Qc7 36.Bb4 Kg8 37.Qc7 Bc7 38.Bc5–+) 35.Bb5 Kf8 36.Bf1 Bf5 37.Bc3 Ke8 (37...Qf6!? 38.Bb4 Kg8 39.Bg2–+) 38.Ba5 Qf6 39.Bb5 Bd7 40.Bd7 (40.Bb6 Qb6 (40...Bb5?! 41.Bd8 Qd8 42.Qb5 Ke7 43.Qe2 Kf8 44.Qh5=) 41.Qe5 Qe6 42.Bd7 Kd7 43.Qg7 h5–+) 40...Kd7 (40...Nd7?! 41.Qa8–+) 41.Qb7 Bc7 (better is 41...Ke8 42.Bb6 Bb6 43.Qb8 Ke7 44.Qb7 Kf8 45.Qa8 Qd8 46.Qa3 Ke8–+) 42.Bb6 Qb6 43.Qd5 Kc8 (43...Ke7 44.Qe4 Kf8 45.h3–+) 44.Qf7 Qd4 45.Qe8 (45.Qg8 Kd7 46.Qh7 Be5–+) 45...Qd8 (45...Kb7 46.Qf7–+) 46.Qe6 Kb8 47.Qb3 Bb6 48.Qf7 Qc7 (48...Bd4 49.Kg2–+) 49.Qe8 (49.Qg8 Kb7 50.Qh7–+) 49...Ka7 50.Qa4 Ba5 51.Qa1 g6 0–1. GuestLJTQ – mfo, freechess.org, 2017.

7.c4 ab5 8.cb5 cb5 9.Bb5 Nc6 10.Ne5=.

7.c4 Bd7 8.Nc3+= Bb4 (8...0-0 9.Bd3+=) 9.Qb3+/- Bc3 (9...Qe7 10.Bd3+/-) 10.Bc3 0-0 11.Be2 (11.Bd3!?+/-) 11...dc4= 12.Bc4 Ne4 (12...ab5 13.Bd3=) 13.Bb2 (13.0-0 Nc3 14.Qc3 ab5 15.ab5 Ra1 16.Ra1 cb5=) 13...Be8 (13...ab5 14.ab5 Ra1 15.Ba1 cb5 16.Bb5 Qa5=) 14.Rd1?? (better is 14.Ra3!?+/-) 14...Nd7 (14...ab5 15.ab5 cb5 16.Bb5=) 15.0-0 (15.ba6!? b5 16.Be2+/-) 15...ab5+= 16.ab5 Ndc5 17.Qc2 cb5 18.Be2 Rc8 (18...b4!? 19.d4 b3+=) 19.d4 (19.Rc1 Nd6=) 19...Na4= 20.Qe4 Nb2 21.Rb1 (21.Ra1 Bc6 22.Qb1 Nc4+=) 21...Bc6+= 22.Qf4 (22.Qc2 Nc4 23.Qb3 Be4-/+) 22...Nc4 23.Rfc1 Bf3 24.Bf3 Nd2 (better is 24...Qd7+=) 25.Rc8? (better is 25.Bb7 Rc4 26.Rc4 bc4 27.Rb5+=) 25...Qc8–+ 26.Rd1 Nf3 (26...Qc2 27.Bg4-/+) 27.Qf3 (27.gf3 Qc2 28.Ra1 b4-/+) 27...Qc6 (27...Qc2!?–+) 28.e4 White prepares d5 (28.Qe2 Ra8-/+) 28...Rc8 (28...b4 29.Qd3-/+) 29.d5+= ed5 30.ed5 Qd6 31.Qb3 (31.g3 b4+=) 31...b4-/+ 32.h3 h6 33.Rb1 (33.Qd3 g6-/+) 33...Rc3 34.Qb4?? (better is 34.Qb2-/+) 34...Rc1!!–+ (34...Rc1 35.Rc1 Qb4–+) 0–1. Isotov,Sergey – Fochenkov,Vladislav, Staraya Russa RUS, 2012.

7.Bd3 0-0 A) 8.0-0 Nbd7 (8...b6 9.Ne5 Qc7 10.f4 Ne4 11.Nc3 f6=; 8...Bd6 9.Ne5 ab5 10.ab5 Ra1 11.Ba1 cb5=; 8...c5 9.Ne5 c4 10.Be2 Nbd7 11.d3 Qc7=; 8...Ne4 9.Nc3 Bf6 10.Qe2 c5 11.Be4 de4=) 9.Nc3 e5 10.Bf5 Qc7 11.bc6 bc6+=; B) 8.Nc3 Qc7 (8...Qd6 9.0-0 e5 10.Be2 e4 11.Ne1 Be6+=; 8...Bd6 9.Ne2 c5 10.c4 b6 11.0-0 dc4=) 9.Ne2 Nbd7 10.0-0 e5 11.Bf5 Bd6+=; C) 8.Ne5 Ne4 9.bc6 Nc6 10.Be4 de4 11.Nc6 bc6=.

7.Bd3 b6 A) 8.Ne5 c5 (8...Bb7 9.0-0 0-0 10.Nc3 c5 11.Be2 Nfd7=; 8...0-0 9.0-0 Qc7 10.f4 Ne4 11.Nc3 f6=; 8...Qd6 9.Qf3 0-0 10.0-0 Bb7 11.bc6 Nc6=; 8...Qc7 9.0-0 0-0 10.f4 Ne4 11.Nc3 f6=) 9.Qf3 Bd6 10.Be2 0-0 11.Nc4 Be7+=; B) 8.Nc3 Bb7 (8...0-0 9.Ne5 Qd6 10.f4 Nfd7 11.Qh5 f5=; 8...Qc7 9.Ne2 c5 10.c4 0-0 11.cd5 ed5=) 9.0-0 0-0 10.Ne5 c5 11.Qf3 Nbd7=; C) 8.Na3 Bd6 (8...Bb7 9.0-0 0-0 10.Ne5 Ne4 11.Be4 de4=; 8...Bb4 9.0-0 Bb7 10.Qe2 Qe7 11.Nb1 0-0=; 8...0-0 9.0-0 Ne4 10.Qe2 f6 11.c4 Qd6=; 8...Ne4 9.Ne5 cb5 10.Be4 de4 11.Qg4 Bf6+=; 8...c5 9.0-0 0-0 10.Ne5 c4 11.Be2 Nfd7=; 8...Qc7 9.0-0 0-0 10.Be5 Bd6 11.Bf6 gf6=) 9.Ne5 Bb7 10.0-0 0-0 11.f4 Qe7=; D) 8.Be2 0-0 (8...Bd6 9.0-0 0-0 10.Ne5 Qc7 11.f4 Bb7=; 8...Bb7 9.0-0 0-0 10.Be5 Ng4 11.Bc3 Bd6+=; 8...Bd7 9.0-0 0-0 10.Ne5 ab5 11.ab5 Ra1=) 9.0-0 Bb7 10.Be5 Ng4 11.Bb2 Bd6+=; E) 8.Be5 c5 (8...Bd6 9.Nc3 0-0 10.0-0 c5 11.Rb1 Be5=) 9.Bb8 Rb8 10.Ne5 Qc7 11.Nc6 Ra8+=; F) 8.0-0 Bb7 (8...0-0 9.Ne5 Bb7 10.f4 c5 11.Qf3 Ne4=; 8...c5 9.c4 0-0 10.Nc3 Bb7 11.cd5 Nd5=) 9.Nc3 0-0 10.Ne5 c5 11.Be2 Nfd7=.

7.Bd3 c5 A) 8.Nc3 0-0 (8...ab5 9.Bb5 Bd7 10.0-0 0-0 11.Qe2 Nc6=; 8...b6 9.0-0 0-0 10.Be2 Nbd7 11.ba6 e5=; 8...Bd6 9.0-0 e5 10.e4 d4 11.Nd5 Nd5+=; 8...Nbd7 9.0-0 0-0 10.ba6 ba6 11.Rb1 Rb8+=) 9.Be2 Nbd7 10.ba6 ba6 11.0-0 e5+=; B) 8.0-0 b6 (8...Nbd7 9.c4 0-0 10.Qc2 ab5 11.ab5 Ra1=; 8...Bd6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Nbd7=; 8...0-0 9.c4 b6 10.Nc3 Bb7 11.cd5 Nd5=; 8...ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.c4 Nb6=; 8...c4 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Bd7=; 8...Bd7 9.c4 0-0 10.Nc3 Bd6 11.Qb3 dc4=) 9.Be2 0-0 10.Nc3 Nbd7 11.ba6 Ba6=.

7.Bd3 Bd6 8.0-0 Nbd7 (8...0-0 9.Ne5 ab5 10.ab5 Ra1 11.Ba1 cb5=; 8...c5 9.c4 0-0 10.Na3 Nbd7 11.Qc2 Qc7=) 9.Nc3 e5 10.Bf5 0-0 11.bc6 bc6+=.

7.Bd3 Nbd7 A) 8.Nc3 Qc7 (8...0-0 9.0-0 e5 10.Bf5 Qc7 11.bc6 bc6+=; 8...ab5 9.ab5 Ra1 10.Ba1 0-0 11.Be2 e5+=; 8...cb5 9.ab5 e5 10.Bf5 Qc7 11.ba6 ba6=; 8...e5 9.Bf5 Bd6 10.0-0 0-0 11.bc6 bc6+=; 8...Bd6 9.bc6 bc6 10.Ba3 c5 11.0-0 Qc7+=) 9.bc6 bc6 10.Be2 0-0 11.Rb1 e5+=; B) 8.0-0 0-0 (8...Bd6 9.Qe2 0-0 10.Re1 c5 11.e4 de4=; 8...Qc7 9.Ba3 c5 10.Nc3 0-0 11.Re1 Re8+=; 8...c5 9.c4 ab5 10.ab5 Ra1 11.Ba1 Nb6=) 9.Qe2 Qc7 10.Nc3 e5 11.Bf5 Bd6+=.

7.Be2 0-0 A) 8.Ne5 Ne4 9.d3 Qa5 10.c3 Nd6 11.d4 f6+=; B) 8.0-0 Bd7 (8...b6 9.Ne5 Qd6 10.f4 Bb7 11.Nc3 Rc8=; 8...Bd6 9.Ne5 ab5 10.ab5 Ra1 11.Ba1 cb5+=; 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7=; 8...Nbd7 9.Nd4 c5 10.Nf3 ab5 11.ab5 Ra1+=) 9.bc6 Nc6 10.Ne5 Rc8 11.f4 Qc7+=; C) 8.Na3 Nbd7 (8...ab5 9.ab5 Nbd7 10.0-0 e5 11.d4 e4=; 8...Qa5 9.c4 Ne4 10.0-0 b6 11.Qc2 Bb4=; 8...b6 9.0-0 Bb7 10.d3 Nbd7 11.Nd4 c5=) 9.0-0 ab5 10.ab5 e5 11.d4 e4=.

7.Be2 ab5 8.ab5 Ra1 9.Ba1 cb5 10.0-0 Bd7 11.Nd4 b4+=.

7.Be2 b6 A) 8.0-0 0-0 9.Ne5 Bb7 10.f4 Ne4 11.f5 Bf6=; B) 8.Be5 c5 (8...Nfd7 9.Bb2 0-0 10.0-0 Bd6 11.c4 ab5=; 8...Bd6 9.Nc3 Ne4 10.Bd6 Nc3 11.dc3 Qd6=) 9.Bb8 Rb8 10.Ne5 Qc7 11.Nc6 Ra8=; C) 8.Nc3 Bd6 (8...0-0 9.Ne5 Bb7 10.0-0 Bd6 11.f4 Qc7=) 9.0-0 0-0 10.bc6 Nc6 11.d4 Qe7+=; D) 8.Na3 0-0 (8...Bb7 9.0-0 0-0 10.d3 Nbd7 11.c4 dc4=; 8...Ne4 9.0-0 0-0 10.d3 Nc5 11.c3 Bb7=) 9.0-0 Bb7 10.bc6 Nc6 11.d4 Rc8+=; E) 8.Bd4 0-0 (8...c5 9.Bb2 0-0 10.0-0 Nbd7 11.Na3 Qc7=) 9.0-0 Bb7 10.Nc3 c5 11.Be5 Nfd7+=; F) 8.Bd3 Bb7 (8...c5 9.0-0 0-0 10.Be2 Nbd7 11.Na3 Bd6=; 8...Bd6 9.0-0 0-0 10.Ne5 Bb7 11.f4 c5=; 8...0-0 9.0-0 Bd6 10.Ne5 Bb7 11.f4 c5=) 9.0-0 0-0 10.Nc3 Bd6 11.Re1 e5+=; G) 8.Ne5 Qc7 (8...Bb7 9.0-0 0-0 10.Nc3 d4 11.ed4 Qd4=; 8...0-0 9.0-0 Qd6 10.f4 Bb7 11.Nc3 Rc8=; 8...Qd6 9.Nd3 Nbd7 10.f4 Qc7 11.bc6 Qc6=) 9.0-0 0-0 10.f4 Bb7 11.Nc3 Bd6=.

7.Be2 c5 8.c4 0-0 9.0-0 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qa2 13.cd5 (13.d3 dc4 14.dc4 Ne4+=) 13...Nd5= 14.Be5 Nd7 15.Nc3 Nc3 (15...Qa5 16.Nd5 ed5 17.Bb2=) 16.Bc3+= Nb6 17.Qa1 Qd5 (better is 17...Qa1!? 18.Ra1 f6+=) 18.Bg7+- Rd8 (18...Re8 19.Rc1+-) 19.Bf6 (19.Bh8 Bf8+-) 19...Rd7 (19...Qd6 20.Bh8 Bf8 21.Be5+-) 20.Be7 Re7 21.Qf6 Rc7? (better is 21...Qd6+-) 22.Ne5 Qd6 23.Bh5 Qf8 (23...Nd5 24.Bf7 Kf8 25.Qh8 Ke7 26.Bh5+-) 24.Ng4 Qg7 (24...Qe8 25.Qg5 Kf8+-) 25.Qd8 Qf8 26.Nh6 Kg7 27.Qg5 Kh8 28.Qf6 Qg7 29.Qd8 Qf8 (29...Qg8 30.Qg8) 30.Qf8# 1–0. Woelfelschneider,Peter – Motz Mecker, 2009.

7.Be2 Bd6 A) 8.Na3 Qe7 (8...0-0 9.0-0 ab5 10.ab5 Qe7 11.Qc1 e5+=; 8...Nbd7 9.0-0 e5 10.c4 cb5 11.cb5 0-0=; 8...b6 9.0-0 0-0 10.c4 Bb7 11.d4 Qe7=; 8...ab5 9.ab5 0-0 10.c4 Qe7 11.Nc2 Ra1=) 9.c4 ab5 10.cb5 e5 11.bc6 bc6+=; B) 8.0-0 Nbd7 (8...0-0 9.Ba3 ab5 10.ab5 Bd7 11.bc6 bc6=) 9.Na3 e5 10.bc6 bc6 11.c4 Rb8+=; C) 8.Ne5 Nfd7 (8...Nbd7 9.f4 Qc7 10.Nd7 Nd7 11.0-0 0-0=; 8...Qc7 9.f4 0-0 10.0-0 Nbd7 11.Nd7 Nd7=) 9.Nd7 Bd7 10.0-0 0-0 11.Nc3 Qh4=.

7.Be2 Bd7 A) 8.Nc3 Qc7 (8...Bd6 9.bc6 Nc6 10.Ba3 Ba3 11.Ra3 Qe7=) 9.bc6 Nc6 10.Rb1 e5 11.0-0 Bd6+=; B) 8.0-0 ab5 (8...0-0 9.Ba3 ab5 10.ab5 Bd6 11.Qc1 cb5=; 8...b6 9.Ne5 0-0 10.Nc3 Qc7 11.f4 Bd6=; 8...c5 9.c4 dc4 10.Bc4 0-0 11.d4 ab5=) 9.ab5 Ra1 10.Ba1 cb5 11.Ne5 0-0+=; C) 8.Ne5 Qc7 (8...0-0 9.Nc3 Qc7 10.f4 Bd6 11.ba6 Na6=; 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.0-0 0-0=; 8...Bd6 9.0-0 0-0 10.f4 ab5 11.ab5 Ra1=) 9.0-0 0-0 10.bc6 Nc6 11.Nd7 Qd7=; D) 8.Na3 b6 (8...0-0 9.0-0 b6 10.Ne5 Qc7 11.c4 Rc8=; 8...Qa5 9.c4 0-0 10.0-0 Ne4 11.Qc2 Rc8=; 8...c5 9.Ne5 ab5 10.ab5 c4 11.d3 cd3=; 8...ab5 9.ab5 Ra5 10.bc6 Nc6 11.Nb5 0-0=; 8...Qb6 9.0-0 0-0 10.Ne5 Rd8 11.c4 ab5=) 9.Ne5 0-0 10.0-0 Qc7 11.c4 ab5=.

7.Be2 Nbd7 A) 8.Bc3 Qc7 (8...cb5 9.ab5 0-0 10.0-0 Bd6 11.d4 Ne4=; 8...0-0 9.0-0 Qc7 10.Qc1 Bd6 11.Qb2 e5+=; 8...Ne4 9.bc6 bc6 10.0-0 0-0 11.Bb2 Rb8+=; 8...Bd6 9.0-0 0-0 10.d4 Qc7 11.Bd3 Ne4+=; 8...c5 9.0-0 0-0 10.d3 Bd6 11.ba6 ba6+=) 9.0-0 0-0 10.bc6 bc6 11.d4 Rb8+=; B) 8.h3 0-0 (8...Qc7 9.Ba3 c5 10.d4 0-0 11.0-0 b6+=; 8...c5 9.0-0 0-0 10.Na3 Qa5 11.c4 Ne4=; 8...Bd6 9.0-0 0-0 10.d4 ab5 11.ab5 Ra1=; 8...cb5 9.ab5 0-0 10.0-0 Bd6 11.d4 Nb6=) 9.0-0 Qc7 10.Ba3 c5 11.d4 b6+=; C) 8.0-0 0-0 (8...Bd6 9.c4 ab5 10.ab5 Ra1 11.Ba1 dc4=; 8...Qc7 9.Ba3 c5 10.d4 0-0 11.c4 b6=) 9.Nd4 c5 10.Nf3 Bd6 11.d4 cd4=.

7.Ne5 0-0 8.Bd3 (8.Be2 Ne4 9.0-0 f6 10.Nf3 ab5 11.ab5 Ra1+=) 8...Ne4 9.bc6 Nc6 10.Be4 de4 11.Nc6 bc6=.

7.Ne5 ab5 8.ab5 Ra1 9.Ba1 0-0 10.Be2= cb5 11.Bb5 Bd6+=.

7.Ne5 ab5 8.ab5 Ra1 9.Ba1 Qc7 10.f4 Nbd7 11.c4 Bd6 12.bc6 bc6 13.d4 (13.Nd7 Bd7 14.Qc2 Qa5=) 13...Bb4 (13...Ne4 14.Bc3 Nc3 15.Nc3 Bb4+= (15...Be5?! 16.fe5 Qa5 17.Qd2=)) 14.Bc3= Bc3 15.Nc3 Qa5 16.Qd2 Qa1 17.Nd1 Ne5 18.fe5 (worse is 18.de5 Ne4 19.Qb4 c5 20.Qb5 Bd7-/+) 18...Ne4 19.Qb2 (better is 19.Qb4!?=) 19...Qa5-/+ 20.Ke2 0-0 21.g3 (21.Kf3 Qe1 22.Qe2 Qh4–+) 21...Ba6–+ (21...dc4?! 22.Qc2 f5 23.Bg2-/+) 22.Kf3 Nd2 23.Kg2 Nf1 24.Rf1 Bc4 25.Rf2 c5 26.Qc3 Qc3 (26...Qb4!? 27.Rb2 Qa4 28.Qd2–+) 27.Nc3-/+ cd4 28.ed4 h6 (28...f6 29.ef6 gf6 30.Na4-/+) 29.Rb2 (29.Na4 Rb8+=) 29...Ra8 30.g4 Ra3 31.Nb5 (better is 31.Rc2!?-/+) 31...Bb5–+ 32.Rb5 Ra4 33.Rb8 Kh7 34.Rb3 (34.Kf3–+) 34...Rd4 35.Kf3 Re4 36.h4 Re5 37.Rb7 f6 38.Rd7 h5 0–1. croach (2405) – rhand (2455), net–chess.com, 2016.

7.Ne5 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Nd7 (10.bc6!? Ne5 11.cb7 Bb7 12.Be5+=) 10...Bd7= 11.bc6 (11.Be5 cb5+=) 11...bc6 (11...Bc6+=) 12.c4 0-0 13.cd5 cd5 14.Bd3 Qa8 15.Nc3? (better is 15.Bd4+=) 15...d4!–+ 16.ed4 (16.Ne2 Qg2 17.Rg1 Qh2 18.Bd4 e5–+) 16...Qg2 17.Be4?? (17.Rf1–+) 17...Ne4 18.f3 (18.Rf1 Ra8 19.Bb2 Nc3 20.Bc3–+) 18...Qf2 0–1. Bini,Gabriele – Habib,Osvaldo Mario, Canarias en Red prel 1st blitz, 2004.

7.Ne5 ab5 8.ab5 Ra5 9.Be2 cb5 10.Ra5 Qa5 11.Nc3 b4=.

7.Ne5 Qc7 8.Be2 Bd7 (8...0-0 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5=; 8...Nbd7 9.f4 ab5 10.ab5 Ra1 11.Ba1 0-0=; 8...Bd6 9.f4 0-0 10.0-0 Nbd7 11.Nd7 Nd7=; 8...ab5 9.ab5 Ra1 10.Ba1 0-0 11.0-0 cb5=; 8...b6 9.0-0 0-0 10.f4 Ne4 11.Nc3 f6=; 8...Ne4 9.0-0 f6 10.Nf3 ab5 11.ab5 Ra1=) 9.0-0 0-0 10.bc6 Nc6 11.Nd7 Qd7=.

7.Ne5 Qd6 A) 8.Be2 b6 (8...0-0 9.0-0 Nbd7 10.f4 Rd8 11.Qe1 cb5=; 8...Ne4 9.Bh5 g6 10.Nf7 Kf7 11.Bh8 Kg8+=; 8...Nfd7 9.d4 Ne5 10.de5 Qc7 11.0-0 0-0=; 8...Nbd7 9.f4 Ne4 10.Nd7 Qd7 11.0-0 0-0=; 8...ab5 9.ab5 Ra1 10.Ba1 Nfd7 11.f4 Bh4=; 8...cb5 9.ab5 0-0 10.0-0 Qc7 11.Bd4 Nbd7=) 9.Nf3 Nbd7 10.bc6 Qc6 11.0-0 0-0=; B) 8.Qf3 Nbd7 9.Qg3 0-0 10.Nd7 Qd7 11.ba6 ba6=; C) 8.ba6 Na6 (8...b6 9.Ng4 Qd8 10.a5 ba5 11.Nf6 Bf6=; 8...ba6 9.c4 Ne4 10.Ng4 0-0 11.f3 Nc5=) 9.d4 Nd7 10.Ba6 Ra6 11.Ba3 c5=; D) 8.f4 b6 (8...0-0 9.Bd3 Ne4 10.Be4 de4 11.Nc3 ab5=; 8...Bd7 9.Ng4 c5 10.Nf6 Bf6 11.Bf6 gf6=; 8...ab5 9.ab5 Ra1 10.Ba1 Bd7 11.Be2 0-0=; 8...Nbd7 9.Be2 Ne4 10.Nd7 Qd7 11.0-0 0-0=) 9.bc6 Nc6 10.Nc6 Qc6 11.Be2 Bb7+=; E) 8.Bd3 Nbd7 (8...ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.f4 c5=) 9.f4 c5 10.0-0 c4 11.Be2 ab5+=; F) 8.c4 dc4 (8...b6 9.d4 ab5 10.cb5 0-0 11.bc6 Nc6=; 8...ab5 9.ab5 Ra1 10.Ba1 0-0 11.d4 dc4=; 8...cb5 9.ab5 Nbd7 10.d4 Qc7 11.Nd7 Nd7=; 8...Bd7 9.d4 Qc7 10.Nc3 0-0 11.c5 ab5=) 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Nbd7=; G) 8.d4 ab5 9.ab5 Ra1 10.Ba1 0-0 11.c4 dc4=.

7.Ne5 Bd6 A) 8.f4 0-0 (8...cb5 9.ab5 0-0 10.Bd3 Nbd7 11.0-0 Ne4=; 8...Qc7 9.Be2 0-0 10.0-0 Nbd7 11.Nd7 Nd7=; 8...ab5 9.ab5 Ra1 10.Ba1 0-0 11.Bd3 c5=) 9.Be2 Ne4 10.0-0 ab5 11.ab5 Ra1+=; B) 8.Be2 Nfd7 (8...Ne4 9.0-0 f6 10.Nf3 0-0 11.d3 Ng5=; 8...Nbd7 9.f4 Qc7 10.Nd7 Nd7 11.0-0 0-0=; 8...Qc7 9.f4 0-0 10.0-0 Nbd7 11.Nd7 Nd7=) 9.Nd7 Bd7 10.0-0 0-0 11.Nc3 Qh4=.

7.Ne5 Nbd7 8.Be2 Ne5 (8...cb5 9.ab5 Ne5 10.Be5 Bd6 11.Bd6 Qd6=) 9.Be5 ab5 10.ab5 Ra1 11.Ba1 0-0=.

8.Bc4 0-0 9.Nc3 Nd5 (9...b6 10.0-0=) 10.0-0 cb5 (10...b6 11.Qb3=) 11.ab5 Nb6 (11...Nb4 12.d3+=) 12.Bb3 (12.Be2 Bd7+=) 12...Bd7 13.Qe2 Bf6 (13...Bb4 14.ba6 ba6 15.Rfb1+=) 14.d4 Be8 (14...ab5 15.Nb5 Bc6 16.Ne5+=) 15.Rfd1 (better is 15.Bc2+/-) 15...Nd5 (better is 15...Bb5!? 16.Nb5 ab5 17.Qb5 Ra1 18.Ra1 Qc7+/-) 16.Bd5+- ed5 17.Ba3 ab5 (better is 17...Be7 18.Be7 Qe7 19.ba6 Ra6 20.Nd5 Qd6+-) 18.Bf8 Ra1 19.Ra1 Kf8 20.Nb5 (20.Ra8 Bc6+-) 20...Qb6 (20...Na6 21.Rc1+-) 21.Nc3 Bc6 22.Ra8 Qc7 (22...Qd8 23.Qd3 Kg8 24.Ne5 Be5 25.de5+-) 23.Qc2 Ke7 (23...Be8+-) 24.Nd5! (24.Nd5 Kd8 25.Nc7 Kc7 26.d5+-) 1–0. Janek – Poussis, internet, 2017.

8.Bc4 cb5 9.ab5 Bd7 10.Ne5 0-0 11.0-0 Bd6 12.f4 Be5 (12...Qc7 13.ba6 ba6 14.Qf3+=) 13.Be5+/- Nd5 (13...Qe7 14.Nc3+/-) 14.Bd4 (14.Qg4 f6 15.Bb8 Qe7+/-) 14...Qe8 (14...Nc7 15.ba6 Nca6 16.Qh5+/-) 15.Qe2 a5 (15...Qd8!?+/-) 16.Bc5 (16.Nc3 Nc3 17.Bc3 Qd8+-) 16...b6 (16...Ne7+-) 17.Bf8 Qf8 18.Bd5 ed5 19.Qd3 Qe8 (19...Qc5 20.Nc3 d4 21.ed4+-) 20.Qd5 Ra7 21.Nc3 Be6 22.Qd4 Nd7 23.Ne4 (better is 23.f5 Bb3+-) 23...Qe7 (23...f5 24.Nd6 Qf8 25.e4+-) 24.f5 Bb3 25.Rfc1 h6 (25...f6 26.Rab1 Bf7 27.Nd6+-) 26.Rc3 Nc5 27.Nc5 bc5 28.f6 gf6 (28...Qe6 29.Rc5 Qd7+-) 29.Qg4 Kh7 30.Qf5 (30.Qf5 Kg7 31.b6+-) 1–0. DEFFM – GuestSNPS, freechess.org, 2018.

8.Bc4 Bd7 9.Nc3 0-0 10.0-0 Nd5 (10...ab5 11.ab5 Ra1 12.Qa1 cb5 13.Nb5+=) 11.Nd5 (11.Qb3 Nc3 12.Qc3 Bf6+=) 11...cd5 (11...ed5 12.Bd3+/-) 12.Bd3 Bf6 13.Ne5 (13.Qb3 Bb2 14.Qb2 f6+/-) 13...h6 (13...Be8 14.Qc2 h6 15.Rfc1+/-) 14.f4 (better is 14.Qh5+-) 14...Qb6? (better is 14...Be8!?+/-) 15.Bd4 (15.Ba3!? Rc8 16.ba6 Ra6+-) 15...Qd8 16.Qc2 (16.Qh5 Qe8 17.Qe2 Qe7+-) 16...Be5 (16...Be8!?+-) 17.Be5 (17.fe5 b6+-) 17...f6 (17...Be8 18.Rfc1 f5 19.Bc7+-) 18.Bd6 Bb5 19.Bh7 (19.ab5?! Qd6 20.Rfc1 f5=; 19.Bf8?! Bd3 20.Qd3 Kf8+-) 19...Kh8 20.Bf8 (20.Bc7 Ba4 21.Ra4 Qd7+-) 20...Bf1 21.Bg7! (21.Rf1?! Qf8 22.Rb1 Qe7+=) 21...Kg7 22.Qg6 (22.Rf1?! f5 23.Bf5 ef5=) 22...Kh8? (22...Kf8 23.Rf1 Nc6 24.Rc1+-) 23.Qh6 (23.Kf1?! Qf8+=; 23.Rf1?! Qf8+/-) 23...Bc4 (23...Qe7 24.Bd3 Kg8 25.Rf1 Qg7+-) 24.Bf5 Kg8 25.Be6 1–0. DEFFM – GuestYVCS, freechess.org, 2018.

10.Ba1 0-0 11.0-0 cb5= 12.Bb5 Qa5 13.Nc3 Bd7 14.Qb3 Bb5 15.Nb5 Nc6 16.Rb1 Ne4 Exerts pressure on the backward pawn 17.d4 (17.Qc2 Nc5=) 17...Rb8 (17...Ra8 18.Qd3=) 18.d5 (better is 18.h3=) 18...Nd8? (18...Nc5!? 19.Qb2 Bf6=) 19.d6 Bd6?? (19...Nd6 20.Be5 Decoy; 19...Bd6 20.Nd6 Combination) 20.Nd6+- Nd6 21.Be5 Qa6 (21...Qc5 22.Qd1 Rc8 23.Bd6+- (23.Qd6?! Qc1 24.Qd1 Qd1 25.Rd1 f6+-)) 22.Qd1 (22.Rd1 Rc8 23.Bd6 b5+-) 22...Rc8 (22...Nc6 23.Ra1 Qb6 24.Bd6+-) 23.Bd6 f6 (23...Nc6 24.Ng5 h6 25.Ne4+-) 24.Bb4 (24.Bc7 Nf7 25.Qd7 Ra8+-) 24...Qc6 (24...e5 25.Qd5 Qe6 26.e4+-) 25.Nd4 (25.Ba5 Nf7+-) 25...Qc4 (25...Qd5 26.Qg4+-) 26.Bd2 (26.Ba3 Qd5+-) 26...Qa6 (26...Nc6 27.Rc1 Qd5 28.Qg4+-) 27.Qh5 (27.h3!? Qd3+-) 27...Nf7 28.Qb5 Qb5 29.Rb5 (29.Nb5 Ne5+-) 29...e5 (29...Nd6 30.Rb1 e5 31.Nb5+-) 30.Nf3 (30.Nf5 Rc7+-) 30...Nd6 31.Rb1 Rc2 32.Kf1 Ne4 (32...b5 33.Bb4 Ne4 34.Be1+-) 33.Ke2 Nc3 (33...Nd6 34.Ra1+-) 34.Kd3 Nb1 35.Kc2 Nd2 36.Nd2

8.Bc4 ab5 9.ab5 Ra1 10.Ba1 0-0 11.0-0 cb5 12.Bb5 Bd7 13.Bd7 Nbd7 14.Qc2=. Kf7 37.Kd3 Ke6 38.Kc4 Kd6 39.e4 g6 (39...Kc6 40.g4+-) 40.g3 (40.Kb5 Kc7+-) 40...h6 (40...Kc6 41.Nf3+-) 41.Nf3 f5 (41...g5 42.Kb5+-) 42.ef5 (42.Nh4!? fe4 43.Ng6 b6+-) 42...gf5 43.Kb5 f4 (43...Kd5 44.Kb6+-) 44.gf4 ef4 45.Kb6 Kd5 46.Kb7 Ke4 1–0. bridlingtonbrummie – Onion Custard, ChessWorld.net, 2009.

10.Ba1 0-0 11.0-0 Nbd7 12.Qc2 cb5 13.Bb5 Bd6=.

10.Ba1 0-0 11.0-0 Nbd7 12.bc6 bc6 13.d4 Qb6 (13...Bb7 14.Qc2=) 14.Nbd2 c5 15.Qb3 (15.Qe2 Bb7=) 15...cd4 (15...Qb3 16.Nb3 cd4 17.Nfd4=) 16.Nd4 (16.Bd4 Qb3 17.Bb3 Bb7=) 16...Bc5 (16...Bb7 17.Rb1 Qb3 18.Rb3=) 17.N2f3 (17.Rb1 Qd6=) 17...Bb7= 18.Qb6 Nb6 19.Be2 (19.Bd3 Ra8=) 19...Nbd5 (19...Ra8 20.Nb3 Bd6 21.Bf6 gf6 22.Nbd4=) 20.Rc1 (20.Rb1 Ra8=) 20...Rc8 (20...Ra8 21.Bb2 Bb4 22.Nc6=) 21.Ne5 (21.Nb3 Bb4=) 21...h6 (21...Ra8 22.Bb2 (worse is 22.Rc5 Ra1 23.Bf1 Ne4-/+) 22...Bb4 23.Bc4=) 22.Bf3 (22.Nb3 Bd6=) 22...Ba3 (22...Ra8 23.Nb3 Ba3 24.Rb1=) 23.Rc8+= Bc8 24.Nec6 (24.Ndc6 Nd7+=) 24...Bb7 (24...Ba6 25.e4 Nf4 26.e5=) 25.Na5 (25.Nd8 Ba6+=) 25...Bc8 (25...Ba6 26.Ndc6=) 26.Nc4 ½–½. jlbaf – rhand, net–chess.com, 2017.

10.Ba1 cb5 11.Bb5 Bd7 12.Qa4 Bb5 13.Qb5 Qd7 14.Qb3 Nc6 15.0-0 0-0 16.Ne5 Ne5 17.Be5 Qd5 18.Qb2 Rc8 19.f4 (19.d4 Ng4=) 19...Qc6 (19...b5 20.Bd4 Qf5 21.Rc1 Rc1 22.Qc1+=) 20.Nc3= Ne8 (20...Nd7 21.Rb1 b6 22.Nb5=) 21.f5 (21.Rb1!?+=) 21...f6 (21...ef5 22.Qb1+= (22.Rf5? Qe6 23.g4 g6 24.Qb7 Rc5–+)) 22.Bg3 e5 23.Qb3 Kf8 24.Rb1 Nd6 25.Qe6 b5 (25...Rd8 26.Be1+=) 26.Nd5 (26.Be1 Rb8=) 26...Re8+= 27.Nb4 (better is 27.Rf1!?+=) 27...Qc5 (27...Qe4!? 28.d3 Qe3 29.Bf2 Qd2-/+) 28.Bf2+= 1–0. GuestYPQX – GuestZDMY, freechess.org, 2018.

10.Ba1 cb5 11.Bb5 Bd7 12.Nc3=.

7.c4 0-0 8.d4=.

7.c4 a6 8.Nc3=.

7.c4 cb5 8.ab5 0-0 9.Nc3 (9.Bd4 a6=) 9...Qc7 (9...Bd6 10.d4 dc4 11.Bc4=) 10.Qb3 dc4 11.Bc4 a6 12.0-0 Rd8 (12...Rc8 13.d3+=) 13.d4 (13.b6 Qc8+=) 13...Bd6 (13...Qb6 14.Rfc1 Rc8 15.Ba3 Ba3 16.Ra3+/-) 14.Rfc1 (14.b6 Qc6+/-) 14...Be8 (14...Rc8 15.Bd3 Qb6 16.Nd2+/-) 15.e4 White prepares the advance d5 (15.Bd3 Qe7+/-) 15...Nfd7 (15...Bf4 16.b6 Qe7 17.Ba3+/-) 16.e5 (16.ba6 Na6 17.Nb5 Qb6+/-) 16...Bf8 17.Ne4 (17.Be6 fe6 18.Nd5 Nc5 19.Rc5 Qf7+-) 17...Qb6 18.d5 (18.Bc3 Qa7+/-) 18...Nc5 (18...ab5!? 19.Bd3 Ra1 20.Ba1 ed5+=) 19.Nc5+= Bc5 20.de6 Bf2 21.Kh1 fe6 22.Be6 The passed pawn on e5 quickly leads to threats (22.Ng5 Kh8+/-) 22...Kh8+= 23.Ng5 (23.Bc4 Ra7+=) 23...Be3 (23...Bg6 24.Nf7 Bf7 25.Bf7+=) 24.Rf1+/- The mate threat is Rf8 24...Bg6 25.Nf7 Bf7 26.Bf7 Nd7? (better is 26...Bh6+/-) 27.e6+- Nc5 (27...Bd4 28.Bd4 Qd4+-) 28.Qe3 Rd3 (28...Rg8 29.e7 Nd7+-) 29.Qe5 1–0. Daniszkowicz – Rakowski, Olsztyn Poland, 1961.

7.c4 Qb6 8.Be2 cb5 (8...dc4 9.Bc4 a6 10.0-0=) 9.ab5 dc4 10.Nc3 (better is 10.Bc4!? Bb5 11.Qb3=) 10...Bb5-/+ 11.Nb5 Qb5 12.Ba3? (better is 12.Qc2!?-/+) 12...Ba3–+ 13.Ra3 Nbd7 (13...Qc5 14.Qa1–+) 14.Nd4 (14.0-0 Qb2 15.Ra5 b6-/+) 14...Qg5 (14...Qc5!? 15.Qa1 a5 16.0-0–+) 15.0-0-/+ b5 (15...Qc5 16.Qa1 e5 17.Ra5=) 16.Qa1 (16.Ra5 Rb8-/+) 16...Qc5 (16...0-0!?-/+) 17.Ra5+= 1–0. GuestWWFF – didiboy, freechess.org, 2018.

7.c4 c5 8.Be2 0-0 9.0-0 Ne4 10.d3 Bf6 11.Qc2 (11.de4 Bb2 12.Ra2 de4 13.Rb2 ef3 14.Bf3 Qc7+=) 11...Bb2 12.Qb2 Nf6 13.cd5 Nd5 14.e4 (14.Rc1 Qb6+=) 14...Qf6 15.e5 (15.Qf6 Nf6 (15...gf6? 16.ed5 ed5 17.Nc3+-) 16.Nc3 Rc8=) 15...Qe7 (15...Qg6 16.d4 Nf4 17.Nh4=) 16.Nbd2 a6 17.Nc4 ab5 (17...b6 18.a5=) 18.ab5+= Ra1 19.Ra1 (worse is 19.Qa1 Nf4 20.Qb2 Bb5-/+) 19...Nb4 (19...f6 20.Ra7 b6 21.d4+/-) 20.Nd6+/- Nd5 21.Nb7 (21.d4 b6+/-) 21...Qg5?? (21...Bb5 22.Qb5 Nc3 23.Qc5 Ne2 24.Kf1 Qb7–+) 22.Ng5+- (22.Ng5 Rc8 23.Nd6+-) 1–0. ZZMeB4 (1680) – look (1715), caissa.com, 2007.

7.Bd3 cb5 8.ab5 Qb6 9.Bd4 Bc5 10.Bc5 Qc5 11.Nc3 0-0 12.Ne5 a6 13.0-0 Qd6 14.f4 a5 15.Qf3 d4?? (better is 15...Bc8+=) 16.Qb7+- dc3 17.Qa8 cd2 18.Qa5 Bc8 19.Qd2 Nbd7 (19...Qc5+-) 20.Bh7! Kh7 (20...Nh7 21.Qd6) 21.Qd6 (21.Qd6 Ne4 22.Qe7+-) 1–0. kamret (2200) – vleeshhd (1770), GameColony.com, 2003.

7.d4 cb5 8.ab5 Qb6 9.Ba3=.

7.d4 Ne4 8.Bd3= Qb6 9.c4=.

7.d4 Ne4 8.Bd3= Nd6 9.Qe2 (9.Na3 Qa5 10.Qd2 Qd2 (10...Qa4? 11.Nb1 Nc4 12.Ra4 Nd2 13.Nbd2+-) 11.Nd2 a6=) 9...a6 10.bc6 (10.ba6 Na6 (worse is 10...ba6 11.0-0+=) 11.Bc3 c5 12.dc5 Nc5+=) 10...Nc6+= 11.0-0 Nb4 12.Ne5 Nd3 13.Qd3 (13.cd3 Rc8=) 13...Bc8 (13...0-0 14.Ba3+=) 14.Nd2= f6 15.Nef3 0-0 16.e4 de4 (16...b6 17.e5 fe5 18.Ne5=) 17.Ne4 Ne4 (17...b6 18.Rfe1=) 18.Qe4 Bd7 19.d5 (19.Rfb1 Qc8=) 19...ed5 20.Qd5 Rf7 21.Rfd1 (worse is 21.Qb7 Rb8 22.Qa6 Rb2–+) 21...Bc6 22.Qh5 (22.Qb3 Qc7=) 22...Qf8 (22...Qc7 23.Nd4+=) 23.Nd4= Be4 (23...Rc8 24.Qf5=) 24.Qe2 (24.Re1 Bg6 25.Qd5 Qd8=) 24...Bg6 25.h4 (25.Qc4 Qc8 26.Qb3 Bd6=) 25...h6 (25...Bc5 26.h5 Re7 27.Qg4=) 26.Qg4 (26.h5 Bh7=) 26...Bh7= 27.Nf5 (27.Qf3 Rc8=) 27...Bf5 28.Qf5 Rc8 (28...Qc8 29.Qd3=) 29.Bd4 (29.Rd7 Rc5 30.Qe6 Rc2 31.Rb7 Bc5+/-) 29...Bc5= 30.c3 Kh8 (30...Bd4 31.cd4 Rd8 32.d5=) 31.Rab1 Rfc7 32.Bc5 (32.a5 Qe8+=) 32...Rc5= 33.Qf3 (33.Qe4 b5=) ½–½. Butze,Roland – Apel,Arno, corr DDR, 1976.

7.Be2 a6 8.Na3 ab5 9.ab5 cb5 10.Nb5 Ra1 11.Qa1 Nc6 12.0-0 0-0 13.Ne5 Ne5 14.Be5 Bb5 15.Bb5 Qa8 16.Qb2 Qa5 17.Ra1 Qb6 (17...Qd2?? 18.Bc3 Qc3 19.Qc3+-) 18.Ra4 Qc5 19.Bd3 Rc8 20.Qb7 Ne4 21.Ra7 Re8 22.c3 (22.Be4?! de4 23.h3 Qe5 24.Qe7 Rf8+/-) 22...Nd6 (22...Nd2?? 23.Bb5 Rf8 24.Bd4+- (24.Qe7 Qb5 25.Ra1 Qb2-/+)) 23.Qd7 Nc4 (23...Kf8 24.Ra6 Qc8 25.Rd6 Bd6 26.Qd6 Kg8+-) 24.Qe8 (24.Qe8 Bf8 25.Qf7 Kh8 26.Bg7 Bg7 27.Qg7#) 1–0. usingprogram (2030) – ilo5 (1615), kurnik, 2012.

7.Be2 a6 8.c4 dc4 9.Nc3 cb5 10.ab5 a5 11.Bc4 b6 12.0-0 0-0 13.d4 Qc7 (13...Bc8 14.Ne5+=) 14.Be2 (14.Bd3 Bb4+=) 14...Nd5 (14...Rc8 15.Qa4+=) 15.Nd5 ed5 16.Rc1 (16.Qa4 Rc8 17.Rfc1 Qd8+=) 16...Qd8 (16...Qd6 17.Rc3+=) 17.Ne5 (17.Qa4 Bg4+=) 17...Be6 (17...Bd6 18.Qa4+=) 18.Nc6 (18.Qa4 Re8+=) 18...Nc6= 19.Rc6 (19.bc6 a4=) 19...Rc8 (19...a4 20.Bd3=) 20.Qb3 (20.Qa4 Rc6 21.bc6 Qc7+=) 20...Rc6= 21.bc6 Qc7 22.Rc1 Rc8 (22...Ra8 23.Bb5+=) 23.Bb5 (23.Ba3 Ba3 24.Qa3 Bf5+=) 23...Bb4 (23...Bd6 24.h3+=) 24.h3 (24.Ba3 Ba3 25.Qa3 Re8+=) 24...Qe7 25.Ba6 (25.Bd3 Qg5 26.Kf1 Qf6=) 25...Rc7= 26.Bb5 (better is 26.Bd3=) 26...g6 (26...Qg5 27.Kh1=) 27.Qd1 (27.Bc3 Ba3 28.Ra1 Bd6+=) 27...Kg7 (27...Bf5 28.Bd3=) 28.Qf3+= Qd6 29.e4 de4? (29...f6+=) 30.Qe4?? (better is 30.d5 Kf8 31.Qf6 Bh3 32.gh3 Qf6 33.Bf6+-) 30...Bd5= 31.Qe5 (31.Qe8 Re7 32.Qc8 Qf4+=) 31...f6 (31...Qe5 32.de5 Bc5 33.e6 f6 34.Re1+=) 32.Qd6= Bd6 33.f3 Kf7 34.Kf2 Bf4 (34...Ke7 35.Ke2+=) 35.Rc2 Bd6 36.g3 (36.Ke3 Ke7=) 36...f5 (36...Ke7 37.Bc1=) 37.h4 (37.Bc1 Bb3 38.Rc3 a4=) 37...h5 (37...f4 38.g4=) 38.Bc1 Be7? (better is 38...Bb3 39.Rc3 a4=) 39.Bf4+- Rc8 40.c7 Be6 41.Be5 (41.Bc6 Bb3 42.Bb7 Be6+-) 41...Bf6 42.Bf6 Kf6 43.Rc6 Ke7 0–1. GuestRXPW – GusetLLMN, freechess.org, 2016.

7.Be2 cb5 8.ab5 Qb6 9.Nc3 0-0? (better is 9...a6=) 10.Na4+/- Qc7 11.Bd4 b6? (better is 11...Qa5 12.Nb6 ab6+-) 12.Nb6! (12.Nb6 ab6 13.Ra8+-) 1–0. pcmvr (2870) – salaschess (2190), net–chess.com, 2011.

7.Be2 Qc7 8.d4 Bd6 9.c4 0-0 10.c5 Be7 11.0-0 Re8 12.Ne5 Ne4 13.Nd2 f6+/- (13...Nd2!? 14.Qd2 b6=) 14.Nef3= (14.Nd7!? Qd7 15.Ne4 de4 16.Qb3+/-) 14...e5 15.Ne4 de4 16.Nd2 Bf5 17.Bc4 Kh8 18.f3 ef3 (18...ed4!? 19.Bd4 (19.fe4 de3 20.Rf5 ed2) 19...cb5 20.Bb5 Rd8) 19.Nf3 (19.Rf3 Bg4–+) 19...Nd7+/- (19...ed4!? 20.Ng5 Bg6 (20...fg5 21.Qd4 Bf8 22.Rf5+-)) 20.Ng5 (20.Ne5!? fe5 21.Rf5+/-) 20...g6 21.Nf7 Kg7 22.Rf5 gf5?? 23.Qh5 ed4 24.Qh6 Kg8 25.Ng5 Kh8 26.Qh7# 1–0. Plock,Joerg – Klein, 1997.

8.Bc4 a6 9.Ne5 (9.Nc3 ab5 10.ab5 Ra1 11.Ba1 Qa5=) 9...cb5 (9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nd7 Qd7+= (worse is 12...Kd7 13.Bb5 Nc6 14.0-0+=)) 10.Nd7 (10.ab5 0-0=) 10...Nbd7 (better is 10...bc4!? 11.Nf6 Bf6 12.Bf6 Qf6-/+) 11.ab5= ab5 (11...Rc8 12.Be2=) 12.Ra8 Qa8 13.Bb5 0-0 14.0-0 Qa5 (14...Rc8 15.d4=) 15.Nc3 (15.Qe2 Rc8=) 15...Nc5 (15...Qb4 16.Qb1=) 16.d4+= Nce4 17.Qa1 (17.Qd3 Nd6+=) 17...Nd2?? (better is 17...Qb4 18.Be2 Nd2=) 18.Qa5+- (18.Qa5 Nf1 19.Bf1+-) 1–0. DEFFM – GuestMCLL, freechess.org, 2016.

9.ab5 Qb6 10.Nc3 0-0 11.0-0 Be8 (11...Bd6 12.Qe2+=) 12.Qc2 Nbd7 13.d4 a6 14.Ng5 Bb4 15.Na4 Qc7? (15...Qd6 16.Nc5 h6 17.Nge4 Ne4 18.Ne4+/- (worse is 18.Qe4 Bc5 19.dc5 Nc5+=)) 16.Qb3?? (better is 16.Ne6 Qd6 17.Nf8 Nf8 18.Nc5+-) 16...Be7 (16...Ng4 17.g3 Be7 18.Rfc1+=) 17.Nc3 (17.Rfc1 ab5 18.Bb5 Qd8+/-) 17...h6 18.Nf3 (worse is 18.ba6 ba6 (18...hg5?! 19.Qb7 Qd8 20.Rfb1=) 19.Ne6 fe6 20.Ba6 Bf7-/+) 18...Nb6 19.Be2 Nbd5 20.Rfc1 Qb8 21.Nd5 Nd5 22.Bd3 ab5 23.Ra8 Qa8 24.Ra1 Qb8 25.Bb5 Bb5 26.Qb5 b6 27.Ne5 Qb7 28.Nc6 Bd6 (better is 28...Rc8!? 29.Ne7 Qe7=) 29.Ra7+/- Qc8 (29...Nc7 30.Rb7 Nb5 31.Rb6 Nc7+/-) 30.Qa4 (better is 30.e4 Nc7 31.Qb6+-) 30...Qe8 31.e4 1–0. GuestBTYG – NormalVector, freechess.org, 2017.

9.ab5 Qc7 A) 10.d3 A1) 10...0-0 11.Be5 (11.Qe2 Nd5 12.0-0 Nb6 13.Be5 Qd8 14.Rd1+=; 11.0-0 Rc8 12.Qe2 a5 13.Be5 Qd8 14.Nc3+=; 11.Qb3 a6 12.0-0 Rc8 13.Be5 Bd6 14.Bf6+=; 11.Bd4 a6 12.0-0 Rc8 13.Nc3 Bc5 14.Bf6+=) 11...Qb6 12.Nc3 Rc8 13.0-0 Qd8 14.Nd4+/-; A2) 10...a6 11.0-0 0-0 12.Qe2 Rc8 13.Be5 Bd6 14.Bf6+=; B) 10.Qb3 a6 11.Be5 (11.0-0 0-0 12.d3 Rc8 13.Be5 Bd6 14.Bf6+=) 11...Qb6 12.0-0 0-0 13.Nc3 Rc8 14.Rfb1+=.

9.ab5 Bd6 10.0-0 A) 10...a6 11.Be5 (11.Qe2 0-0 12.Rc1 Qe7 13.Bf6 Qf6 14.Nc3+=) 11...Qc7 12.Bd6 Qd6 13.d4 0-0 14.Ne5+=; B) 10...0-0 11.Bd4 (11.d3 a6 12.Ne5 Qc7 13.f4 Bc5 14.d4+=; 11.Qe2 Qe7 12.Bd4 a5 13.Ne5 a4 14.Nc3+=) 11...a6 12.Qe2 Qe7 13.Ne5 Rc8 14.d3+=.

9.ab5 Bd6 10.d3 A) 10...0-0 11.Nbd2 (11.0-0 a6 12.Ne5 Qc7 13.f4 Bc5 14.d4+=; 11.Bd4 a6 12.Ne5 Qc7 13.f4 Rc8 14.0-0+=; 11.Qe2 Qe7 12.Ne5 Bb4 13.Nd2 Nd5 14.Nd7+=; 11.Qc2 Qe7 12.0-0 e5 13.Nbd2 a6 14.Qc3+=; 11.Qa4 Qe7 12.0-0 e5 13.Nc3 Na6 14.Nd5=; 11.Qb3 Qe7 12.Ne5 a5 13.0-0 Rc8 14.Bd4+=) 11...a6 12.0-0 Re8 13.Ne5 Qc7 14.f4+=; B) 10...a5 11.0-0 (11.Nbd2 0-0 12.0-0 Qe7 13.Ne5 Rc8 14.Bd4+=; 11.Ra4 Na6 12.Be5 Be5 13.Ne5 Nc5 14.Ra3+=; 11.Qa4 0-0 12.0-0 Qe7 13.Nbd2 e5 14.Rfc1+=; 11.Bd4 Bc8 12.0-0 Nbd7 13.Qc2 0-0 14.Rc1=; 11.Ne5 0-0 12.0-0 Qc7 13.f4 Rc8 14.Qf3+=) 11...0-0 12.Nbd2 Qe7 13.Ra4 Rc8 14.Qa1+=; C) 10...a6 11.0-0 (11.Ne5 0-0 12.0-0 Qc7 13.f4 Bc5 14.d4+=; 11.Be5 Qc7 12.Bf6 gf6 13.0-0 Rg8 14.Nbd2+=; 11.Nbd2 0-0 12.0-0 Bc8 13.e4 Bf4 14.Qe2+=; 11.Bd4 0-0 12.0-0 Ng4 13.h3 Nh6 14.e4+=; 11.ba6 Na6 12.Ne5 b5 13.Bb3 0-0 14.0-0=) 11...0-0 12.Ne5 Qc7 13.f4 Bc5 14.d4+=.

9.ab5 Bd6 10.Bd4 A) 10...a5 11.Nc3 (11.d3 0-0 12.0-0 Bc8 13.Ne5 Nfd7 14.f4+=; 11.0-0 Bc8 12.Nc3 Nbd7 13.e4 e5 14.Be3=; 11.Qa4 0-0 12.Nc3 Na6 13.Qa5 Nc7 14.Ba7+=) 11...0-0 12.Na4 Bc7 13.0-0 b6 14.Qc2+=; B) 10...a6 11.Qe2 (11.0-0 0-0 12.Nc3 Qc7 13.Qe2 Bh2 14.Nh2+=; 11.d3 0-0 12.0-0 Nd5 13.ba6 ba6 14.Bd5+=; 11.Ne5 Qc7 12.f4 Be5 13.fe5 Qc4 14.ef6=; 11.Nc3 0-0 12.Qe2 Qe7 13.Ne5 Rc8 14.f4+=; 11.Be5 Qc7 12.Bf6 gf6 13.Qe2 Rg8 14.0-0=) 11...0-0 12.0-0 Qe7 13.Ne5 Rc8 14.d3+=.

9.ab5 Bd6 10.Qe2 A) 10...a5 11.Be5 (11.ba6 ba6 12.Ba6 Ra6 13.Ra6 Na6 14.Qa6+=; 11.0-0 0-0 12.e4 Bb4 13.e5 Nd5 14.Qe4+/-; 11.d4 Qe7 12.0-0 Nd5 13.e4 Nb6 14.Bd3+/-) 11...Qb6 12.Nc3 Be5 13.Ne5 Qd6 14.d4+/-; B) 10...0-0 11.0-0 (11.Be5 Qe7 12.0-0 Rc8 13.d4 Nd5 14.Nbd2+=) 11...Qe7 12.d4 Rc8 13.Rc1 a6 14.Nc3+=.

10.0-0 Qc7 11.Qb3 (11.Qe2 Rc8 12.Rc1 Ne4 13.d3 Nd6 14.Na3+=; 11.d3 Rc8 12.Qe2 Nd5 13.Nbd2 Nb6 14.Rfc1+=) 11...Rc8 12.Rc1 Qd8 13.d3 a6 14.Ne5+=.

10.0-0 Nd5 11.Bd4 (11.Nc3 Nf6 12.d3 a6 13.Ne5 Bd6 14.f4+=; 11.Qc2 Nb6 12.Bd3 f5 13.Be5 Bf6 14.Be2+=; 11.Ne5 Nb6 12.Bd3 Bd6 13.f4 a6 14.Qh5+=; 11.d3 Nb6 12.Ne5 Bf6 13.Qf3 Nc4 14.dc4+=; 11.d4 a6 12.ba6 Na6 13.Ne5 f6 14.Nd7+=; 11.Nd4 Bf6 12.Qf3 Nb6 13.Bd3 e5 14.Nf5+=) 11...Nb6 12.Bd3 Bf6 13.Qc2 h6 14.Ne5+=.

10.0-0 Bd6 11.d3 (11.Qe2 Qe7 12.d4 Rc8 13.e4 Bf4 14.Nbd2+=; 11.Bd4 a6 12.Nc3 Qc7 13.Qe2 Bh2 14.Nh2+=) 11...a6 12.Ne5 Qc7 13.f4 Bc5 14.d4+=.

10.0-0 Ne4 11.Qa4 (11.Qc2 Nd6 12.Bd3 f5 13.Nc3 Qb6 14.Na4+=; 11.Qb3 Nd6 12.Be2 a6 13.ba6 Na6 14.Rc1+=; 11.d3 Nd6 12.Qb3 a6 13.Nc3 Qb6 14.Ba3+=; 11.Nc3 Nd6 12.Bd3 Qb6 13.Na4 Qd8 14.Qe2+=; 11.Be2 Nd6 12.Qa4 Na6 13.Bg7 Nc5 14.Qa3+=) 11...Nd6 12.Be2 Na6 13.Qg4 e5 14.Qh5+/-.

10.0-0 Ne8 11.Be2 (11.Bd3 Nd6 12.Nc3 Qb6 13.Na4 Qd8 14.Qe2+=; 11.Nc3 Nd6 12.Bd3 Qb6 13.Na4 Qd8 14.Qe2+=; 11.Qc2 Nd6 12.Bd3 f5 13.Nc3 Qb6 14.Na4+=) 11...Nd6 12.Nc3 Qc7 13.Qb3 a5 14.Rfc1+/-.

10.Qb3 Bd6 11.Be5 (11.d3 Qe7 12.Ne5 a5 13.0-0 Rc8 14.Ra4+=; 11.0-0 a6 12.Be5 Be5 13.Ne5 Bc8 14.d4+=; 11.Qd3 Qe7 12.Ng5 Rc8 13.b6 Nc6 14.Bf6=; 11.Bd4 a6 12.d3 Qe7 13.Ne5 Be5 14.Be5+=; 11.d4 a6 12.Ne5 Be5 13.de5 Ne4 14.0-0+=; 11.Ne5 Ne4 12.0-0 Qb6 13.Qc2 Nc5 14.Nd7+=) 11...Qe7 12.0-0 Ng4 13.Bd6 Qd6 14.d4+=.

10.Qc2 Qc7 11.Qb3 Rc8 12.d3 a6 13.0-0 Qb6 14.Bd4+=; 10...Bd6 11.d3 (11.0-0 Qe7 12.Nc3 Rc8 13.d3 a6 14.Rfc1=; 11.Qd3 Qe7 12.Ng5 Rc8 13.b6 Nc6 14.Bf6=) 11...Qe7 12.0-0 e5 13.Qc3 Re8 14.Ng5+=.

10.Qc2 Nd5 11.0-0 (11.Nc3 Nb6 12.Bd3 f5 13.0-0 Bd6 14.Rfc1+=) 11...Bf6 (11...Nb6 12.Bd3 f5 13.Rc1 Bd6 14.Be2+=) 12.d4 (12.Nc3 Qc7 13.Qe4 Bc3 14.Bc3+/-) 12...Qc7 (12...Qb6 13.Qb3 a5 14.Bd5+/-) 13.Qe2 (13.Qb3 Rc8 14.Bd5+/-) 13...Rc8 14.Nbd2 (14.Rc1+=) 14...Qd8 15.Rfc1 Be8 16.g3 (16.e4 Nf4 17.Qe3 Ng6+/-) 16...Nd7 17.e4 N5b6 18.e5 Bg5? (better is 18...Nc4!? 19.Rc4 Be7=) 19.Ng5+/- Qg5 20.Ne4 Qd8 21.Nd6 Rc7 22.Bb3 Rc1 23.Rc1 Rb8 24.Qg4 Nf8 25.f4 (25.Ba3 a6+/-) 25...Nd5 (25...Nc8!? 26.d5 Bd7+/-) 26.Bd5 ed5 27.f5 (27.Qf3 a6+-) 27...Bd7 (better is 27...a6!?+/-) 28.Qf3+- a6 29.Qd5 Be6?? (29...Be8+-) 30.fe6 Ne6 (30...fe6 31.Qf3 Qe7 32.b6+-) 31.Qf3 (better is 31.Rf1!? Qg5 32.Rf7 Qg6+-) 31...Ng5 32.Qg4 g6 33.Rc8 (better is 33.h4 Ne6+-) 33...Rc8 34.Qc8 (34.Nc8?! h5 35.Ne7 Qe7 36.Qc8 Qf8 37.Qf8 Kf8 38.ba6 ba6+=) 34...Qc8 35.Nc8 ab5 36.Nd6 Kf8 (36...Nf3 37.Kf2 Nh2 38.Nb5+-) 37.Nb5 Ke7 38.Kf2 Kd7 (38...f6 39.Bc1+-) 39.Ke3 (39.d5 h6+-) 39...Kc6 40.Nd6 (better is 40.Nc3!? h5+-) 40...f6 41.h4 fe5 42.de5 (42.hg5?! ed4 43.Kd4 Kd6+-) 42...Ne6 43.g4 b5 44.Nf7 Kd5 45.Ng5 Nf8 46.e6! Ne6 47.Ne6 (47.Nh7!? Kc4+-) 47...Ke6 48.Ke4 b4 49.Bd4 b3 50.Bb2 h6 1–0. Schoppmeyer,Herbert – Muschalle,Siegfried, OWL–ch Loehne, 1971.

10.Qc2 Ne8 11.0-0 (11.Bd3 f5 12.Bd4 a6 13.0-0 Nc7 14.Bb6+=; 11.Nc3 Nd6 12.Bd3 f5 13.0-0 Qb6 14.Na4+=) 11...Nd6 12.Bd3 f5 13.Nc3 Qb6 14.Na4+=.

10.d3 A) 10...Qe8 11.Qb3 Bc8 12.0-0 Nbd7 13.Bd4 a6 14.ba6+=; B) 10...Qc7 11.Be5 (11.Qe2 Bb4 12.Nbd2 Nd5 13.0-0 Nc3 14.Bc3+=; 11.0-0 Rc8 12.Qe2 Nd5 13.Nbd2 Nb6 14.Rfc1+=; 11.Qb3 a6 12.0-0 Rc8 13.Nbd2 Qb6 14.Rfc1+=; 11.Bd4 a6 12.0-0 Rc8 13.Nc3 Bc5 14.Bf6+=) 11...Qb6 12.Nc3 Rc8 13.0-0 a6 14.Qe2+=; C) 10...Qb6 11.Nc3 (11.Bd4 Bc5 12.Bf6 gf6 13.Nc3 Rc8 14.0-0+=) 11...Bd6 12.0-0 e5 13.Ng5 Bf5 14.Qf3+/-; D) 10...a6 11.0-0 (11.Be5 Ng4 12.Bg3 Qb6 13.ba6 Na6 14.0-0=) 11...Qe8 12.Qb3 Qd8 13.Rc1 Ne8 14.Be5+=; E) 10...Ne8 11.0-0 (11.Bd4 Bf6 12.0-0 Nd6 13.Ra7 Ra7 14.Ba7=; 11.Qb3 Nd6 12.0-0 a6 13.Nc3 Qb6 14.Ne5+=; 11.Nc3 Nd6 12.Qb3 a6 13.0-0 Qb6 14.Ne5+=; 11.Be5 Nd6 12.Nc3 Nc4 13.dc4 Qc8 14.0-0+=) 11...Nd6 12.Qb3 a6 13.Nc3 Qb6 14.Ne5+=; F) 10...Bd6 11.Nbd2 (11.0-0 a6 12.Ne5 Qc7 13.f4 Bc5 14.d4+=; 11.Bd4 a6 12.0-0 Nd5 13.ba6 ba6 14.Bd5+=; 11.Qc2 Qe7 12.0-0 e5 13.Qc3 Re8 14.Nbd2+=; 11.Qe2 Re8 12.Be5 Bb4 13.Nfd2 a5 14.0-0+=; 11.Qa4 Qe7 12.0-0 e5 13.Nc3 Na6 14.Rfc1=; 11.Qb3 Qe7 12.Ne5 a5 13.0-0 Rc8 14.Bc3+=) 11...a6 12.0-0 Re8 13.Ne5 Qc7 14.f4+=; G) 10...Nd5 11.0-0 Nb6 12.Be5 f6 13.Bg3 Kh8 14.Qb3=.

10.d4 A) 10...Qc7 11.Nbd2 (11.Ne5 Bb4 12.Bc3 Bd6 13.Qb3 a6 14.b6+=; 11.Ba3 Ba3 12.Na3 a6 13.ba6 ba6 14.0-0+=; 11.Qe2 Bb4 12.Nbd2 Ne4 13.Bd3 Nd2 14.Nd2+=; 11.Qd3 Rc8 12.Nbd2 Nd5 13.0-0 Qb6 14.Ne5+=; 11.Bd3 Nd5 12.0-0 Qb6 13.Qe2 Rc8 14.Ne5+=; 11.Qb3 Rc8 12.Ne5 a6 13.0-0 Qb6 14.f4+=) 11...Qb6 12.Qb3 Nd5 13.0-0 Nb4 14.Qa4+=; B) 10...Ne4 11.Qa4 (11.Nc3 Nc3 12.Bc3 Qc7 13.Qb3 Rc8 14.Ne5+=; 11.Qb3 Nd6 12.Bd3 Qb6 13.Ba3 Rc8 14.0-0+=) 11...Qb6 12.Bd3 Nd6 13.Nc3 Rc8 14.0-0+=; C) 10...Nd5 11.Qb3 (11.0-0 a6 12.ba6 Na6 13.Qe2 Nac7 14.Ra8+=; 11.Nc3 Bb4 12.Bd5 ed5 13.Qb3 Bc3 14.Bc3=) 11...Bb4 12.Bc3 Be7 13.Ba5 Nb6 14.Bd3+=; D) 10...Qb6 11.Qb3 (11.Qe2 Ne4 12.Nfd2 Nd6 13.Ba3 Rc8 14.Bc5=; 11.Ba3 Ba3 12.Na3 a6 13.ba6 Na6 14.0-0+=; 11.Qa4 a6 12.0-0 Bd6 13.Ba3 Ba3 14.Na3+=; 11.Qd3 Nc6 12.Qe2 Na5 13.Bd3 Bb4 14.Kf1+=; 11.Nc3 Rc8 12.Ne5 Nc6 13.Nd7 Nd7 14.0-0=) 11...a6 12.0-0 Rc8 13.Nc3 Qd6 14.Ra4+=; E) 10...Bd6 11.Ne5 (11.Ba3 Qa5 12.Qd2 Qc7 13.Bd6 Qd6 14.0-0+=; 11.0-0 a6 12.Qe2 Qb6 13.e4 Nh5 14.e5+=; 11.Qe2 Qb6 12.0-0 Rc8 13.Rc1 a6 14.Nc3+=; 11.Qd3 Qb6 12.Ba3 Rc8 13.Bd6 Qd6 14.0-0+=; 11.Bd3 a6 12.0-0 Qb6 13.Qe2 Nd5 14.Ne5+=; 11.Nc3 Qc7 12.Qb3 a5 13.0-0 Rc8 14.Be2+=) 11...Nd5 12.0-0 Nb6 13.Bd3 Qh4 14.Qf3+/-; F) 10...Ne8 11.Bd3 (11.Nc3 Qb6 12.0-0 Nd6 13.Bd3 Nb5 14.Qb3+=; 11.Qe2 Qb6 12.Bd3 Nd6 13.Ba3 Rc8 14.0-0+=) 11...Bb4 12.Nc3 Qe7 13.0-0 Nf6 14.Qa4+=; G) 10...a6 11.0-0 (11.Ne5 Nd5 12.Nc3 Bb4 13.Qd3 Qc7 14.Nd7=; 11.Qe2 Ne4 12.ba6 Na6 13.Nbd2 Nd2 14.Nd2=; 11.ba6 Na6 12.Qe2 Nc7 13.Ra8 Qa8 14.0-0=) 11...Nd5 12.ba6 ba6 13.Qe2 a5 14.Rc1+=.

10.Bd4 A) 10...Qc7 11.d3 (11.Ne5 a5 12.0-0 Be8 13.Qa4 Nbd7 14.f4=; 11.Qe2 Rc8 12.d3 a5 13.0-0 a4 14.Nc3+=) 11...a6 12.Nc3 Rc8 13.0-0 Bc5 14.Bf6+=; B) 10...Ne4 11.Bd3 (11.Nc3 Nd6 12.Bd3 a6 13.0-0 f6 14.Qb1+=; 11.Ra7 Ra7 12.Ba7 Nd6 13.Be2 Nb5 14.Bb8=) 11...Nd6 12.Nc3 a6 13.0-0 f6 14.Qb1+=; C) 10...Ne8 11.Bd3 (11.Nc3 a6 12.0-0 Nd6 13.Be2 Qc7 14.Qb1+=; 11.Ra7 Ra7 12.Ba7 Nd6 13.Be2 Nb5 14.Bb8=) 11...a5 12.Nc3 Nd6 13.0-0 f5 14.Qa4+=; D) 10...a5 11.d3 (11.Nc3 Qc7 12.Qa4 Na6 13.0-0 Rfc8 14.d3+=; 11.0-0 Bd6 12.d3 Bc8 13.Ne5 Nfd7 14.f4+=; 11.Ne5 Bc8 12.0-0 Nfd7 13.f4 Ne5 14.fe5+=; 11.Qa4 Nd5 12.Bd5 ed5 13.0-0 Bf5 14.Rc1=) 11...Nd5 12.0-0 Nb6 13.Nc3 Bc8 14.Bb3+=; E) 10...a6 11.0-0 (11.Ne5 Ne4 12.ba6 Na6 13.Qg4 Nf6 14.Qf3=; 11.Nc3 Bd6 12.0-0 Qc7 13.Qe2 Bh2 14.Nh2+=; 11.d3 Bb4 12.Nbd2 Ba5 13.ba6 Na6 14.Qb3+=) 11...Ne4 12.Nc3 Nd6 13.Bd3 f6 14.Qb1+=.

10.Ne5 A) 10...Ne8 11.Qg4 (11.Bd4 Nd6 12.Nc3 a5 13.Bd3 Be8 14.Qg4+=; 11.Nc3 Nd6 12.Be2 Be8 13.d4 f6 14.Nf3+=; 11.Be2 Nd6 12.Nc3 Be8 13.0-0 f6 14.Nf3+=; 11.Nd7 Nd7 12.0-0 Nb6 13.Be2 Nf6 14.Qb3=; 11.0-0 Nd6 12.Nc3 Bf6 13.Nd7 Qd7 14.Be2+=) 11...Bf6 12.d4 Nd6 13.Nd7 Qd7 14.Bd3+=; B) 10...Qc7 11.Qb3 (11.d4 Bb4 12.Bc3 Bd6 13.Qb3 a6 14.b6+=; 11.Bd4 a5 12.0-0 Be8 13.Qa4 Nbd7 14.f4=) 11...a6 12.0-0 Rc8 13.d4 Qb6 14.f4+=.

11.Qc2 Bd6 12.Ng5 g6 13.Qc3 Be7 14.Ne4+/-.

11.Nc3 Qc7 12.d3=.

11.Nc3 Ne8 12.Qb3 (12.d4 Nd6 13.Bd3 Qb6+=) 12...Nc7 (12...Nd6 13.Be2=) 13.Rfc1 (13.d3 ab5 14.Nb5 Ra1 15.Ra1 Nb5 16.Bb5 Qb6=) 13...b6 (13...ab5 14.Nb5 Ra1 15.Ba1 Nb5 16.Bb5=) 14.d4 (14.ba6 Nca6 15.d4 Bc6+/-) 14...Ra7 (14...ab5 15.Nb5 Ra1 16.Ra1 Nb5 17.Bb5 Bb5 18.Qb5+=) 15.Rd1 (15.ba6 Nca6 16.Ne5 Be8+/-) 15...Qe8 (15...a5 16.d5 Bd6 17.Qa4+/-) 16.ba6 b5 17.Bd3 Ra6 (17...Nba6 18.Ne5+/-) 18.Ne5 Ra1 (18...b4 19.Nd7 Ra1 20.Nf8 Rd1 21.Nd1 Kf8 22.Bc1+=) 19.Ra1 b4 20.Ne2 Nc6 (20...Bb5!?+=) 21.Nd7+/- Qd7 22.Qc2 Nd8 (22...Nd5 23.Bb5 (23.Bh7?! Kh8+/-) 23...Rc8 24.Rc1+-) 23.Bh7 (23.Ra7 Bd6 24.Bh7 Kh8+-) 23...Kh8 24.Bd3 Nd5 25.e4 Nf6 26.Qd2 Ng8 (26...Nc6!?+-) 27.Qe3 Nh6 28.d5! The mate threat is Qxh6 28...ed5?? (28...Qd5 29.Qh6) 29.Qh6 1–0. Sternik,Ryszard – Busko,Marek, Poland, 1990.

11.d3 Qe8 12.Qb3 Qd8 13.Rc1 Ne8 14.Be5+=.

11.Bd4 Ne4 12.Nc3 Nd6 13.Bd3 f6 14.Qb1+=.

11.Qe2 Nd5 12.ba6 ba6 13.Nc3 Bc6 14.Nd5+=.

11.Be5 Ng4 12.d4 Ne5 13.Ne5 Qb6 14.ba6+=.

11.Ne5 Qc7 12.d4 Rc8 13.Qf3 Bd6 14.Bd3+=.

8.0-0 cb5 9.ab5 Qc7 10.Bd4 b6 (10...a5 11.Nc3 Be8 12.Qb1+=) 11.Be5 Qc8 12.c3 (12.Nc3 Be8+-) 12...Ne8 (better 12...a5!?+=) 13.Qb3+- Nd6 14.Bd6 Bd6 15.d3 (15.c4!? Qc5 16.Nc3 dc4 17.Bc4+-) 15...Qc7 16.Nbd2 Rc8 17.c4 dc4 (17...a5!?+=) 18.Nc4+- Be7 (18...a5 19.ba6 b5 20.Nd6 Qd6 21.a7+-) 19.Rfc1 (19.Nfe5 a5 20.d4 Ra7+-) 19...Qc5 20.d4 Qb5 21.Qd1 Qf5?? (21...Qd5 22.Nfe5 Bc6 23.Bf3+-) 22.Bd3 (better 22.Nb6 ab6 23.Ra8+-) 22...Qf6?? (22...Qd5 23.Qc2 f5+-) 23.e4 (better 23.Nce5 Bc5 24.dc5 bc5 25.Be4+-) 23...Nc6= 24.e5 Qh6 25.Be4 White prepares the advance d5 25...Qf4 26.Qd3 (26.Qe1 Bb4 27.Qe2 h5+=) 26...g6 (better 26...Nb4!? 27.Qe2 Bc6=+) 27.g3+= Qh6 28.d5 (28.Qd1 Qh5+=) 28...ed5 (better 28...Nb4!? 29.Qd1 ed5 (worse 29...Nd5 30.Ne3=+) 30.Bd5 Nd5 31.Qd5 Bc6-/+) 29.Bd5 (better 29.Qd5 Be6 30.Qb5+=) 29...Be6? (29...Rc7 30.Nb6 Ne5+-) 30.Be6+- fe6 31.Qe4 (31.Qd7!? Qg7 32.Nb6 (32.Qe6?! Qf7 33.Qf7 Kf7+-) 32...ab6 33.Ra8 Ra8 34.Qe6 Qf7 35.Qc6+- (35.Rc6?! Qe6 36.Re6 Bc5+=)) 31...Nb4 32.Rd1 (32.Nd4 Na2 33.Re1 Bb4+-) 32...Nd5 (32...Bc5 33.Nb6 Bb6 34.Qb4=) 33.Qg4 (better 33.Nd6 Rc5 34.Qg4+=) 33...Kf7?? (better 33...g5 34.Nd6 Rf8+-) 34.Nd6+- Bd6 35.ed6 Qg7 (35...Re8 36.d7 Re7 37.Ng5 Qg5 38.Qg5 Rd7 39.Ra6+-) 36.Re1 (better 36.Ng5 Kg8 37.Qe6 Kh8 38.d7+-) 36...Re8?? (better 36...Qf6 37.Ng5 Kg8 38.Qe6 Qe6 39.Ne6 Nf6+-) 37.Ne5 (37.d7!? Re7 38.Ne5 Kg8 39.Ra7 Rd8+-) 37...Kg8 (37...Kf8 38.d7 Re7 39.Ra7 Rd8+-) 38.Nc6 (38.d7 a5 39.de8R Re8+-) 38...Qf6?? (better 38...Qd7!? 39.Qa4 Qd6 40.Na7 Qc5=+) 39.Ra3 (better 39.d7 Red8 40.Nd8 Rd8 41.Ra7+-) 39...e5+= 40.d7 Qc6? (better 40...Rf8 41.Rc1 Qf2 42.Kh1 Qb2+=) 41.de8Q+- Qe8 (41...Re8 42.Ra7 Nc7 43.Qe4+-) 42.Rd3 (better 42.Qc4 Qf7 43.Re5+-) 42...Rd8?? (better 42...Nf6 43.Qg5 Nd7+-) 43.Red1+- Nf6 (43...Qf7 44.Qe4 Rf8 45.Qd5 Qd5 46.Rd5 e4+-) 44.Qc4 (44.Qc4 Qf7 45.Rd8 Kg7 46.Qc8+-) 1–0. Genne,Rene (1725) – Oster,Jean_Marie, 7th Saint Denis REU, Open, 2015.

9.Na3 a6 A) 10.Ne5 Ne4 (10...Qc7 11.c4 ab5 12.cb5 Ne4 13.f3 Nd6 14.Qc2 f6 15.Nd3 Rc8) 11.Bh5 g6 12.Bf3 f6 13.Be4 de4 14.Nd7 Nd7 15.bc6 bc6; B) 10.Bd3 Ne4 11.c4 ab5 12.cb5 Bc8 13.Qc2 f5 14.Ne5 Qa5 15.f3 Nc5; C) 10.c4 Ne4 (10...Qa5 11.d3 Bc8 12.Qc2 Nbd7 13.cd5 cd5 14.Bc3 Bb4 15.Bb4 Qb4; 10...Bb4 11.Qb3 Bd6 12.d4 b6 13.cd5 ed5 14.Ne5 ab5 15.ab5 c5; 10...ab5 11.ab5 Ne4 12.d3 Nc5 13.Qc2 Qc8 14.Bd4 dc4 15.Nc4 Ra1) 11.d3 Nc5 12.d4 Ne4 13.Nd2 Nd2 14.Qd2 Bf6 15.h3 h6; D) 10.h3= Bd6 (10...Ne4 11.c4 Qa5 12.Qc2 h6 13.Nb1 Qc7 14.Be5 Bd6 15.b6 Qd8; 10...Bb4 11.c4 Ne4 12.Nc2 Bd6 13.d3 Nc5 14.d4 Nb3 15.Rb1 dc4; 10...ab5 11.ab5 Ne4 12.c4 f6 13.Qc2 Qc7 14.Bd3 Bc5 15.bc6 Qc6; 10...h6 11.Ne5 Qc7 12.d4 cb5 13.ab5 Ne4 14.Bh5 g6 15.Bf3 Ba3) 11.c4 ab5 12.ab5 Ne4 13.d3 Ng5 14.Qb3 Nf3 15.Bf3 Qg5.

9.Na3 Bc8 A) 10.h3 Nbd7 (10...Bd6 11.c4 Nbd7 12.Qc2 c5 13.b6 Nb6 14.a5 Nc4 15.Bc4 dc4; 10...c5 11.c4 Nbd7 12.Qb3 Bd6 13.Nc2 b6 14.a5 ba5 15.Bc3 dc4; 10...h6 11.c4 Nbd7 12.Qc2 c5 13.Bd3 Bd6 14.Qb3 b6 15.Bc3 Bb7; 10...Ne4 11.d3 Nc5 12.Nb1 Nbd7 13.d4 Ne4 14.Nbd2 Ndf6 15.c4 Bd7) 11.c4 Bd6 12.Qc2 c5 13.a5 b6 14.a6 h6 15.Rfd1 Qc7; B) 10.g3 Nbd7 (10...c5 11.c4 Nbd7 12.Qc2 h6 13.Nh4 Qc7 14.Rfd1 b6 15.d4 Bb7; 10...Ne4 11.c4 Nd7 12.Qc2 c5 13.d3 Nd6 14.Nb1 Bf6 15.Nc3 d4; 10...Bd6 11.c4 Nbd7 12.Qc2 c5 13.a5 b6 14.a6 h6 15.Nh4 Qc7; 10...Qc7 11.bc6 Nc6 12.Nb5 Qd8 13.d3 Bd7 14.Qd2 Rc8 15.Rfb1 a6) 11.c4 h6 12.Qc2 c5 13.Nh4 Ne4 14.d3 Nef6 15.cd5 ed5; C) 10.c4 Nbd7 (10...c5 11.Nb1 b6 12.a5 ba5 13.Qa4 Nbd7 14.Qa5 Bb7 15.Qd8 Red8; 10...h6 11.Qc2 c5 12.Nb1 Nbd7 13.a5 b6 14.ab6 Qb6 15.Ne5 Bb7; 10...cb5 11.Nb5 Nc6 12.Rc1 a6 13.Nbd4 Bd7 14.cd5 ed5 15.Nc6 bc6; 10...Ne4 11.Qc2 Nd7 12.d3 Nec5 13.Nd4 cb5 14.Nab5 a6 15.Nc3 dc4) 11.Qc2 c5 12.Nb1 b6 13.a5 ba5 14.Bc3 Bb7 15.Ba5 Qb8.

9.Na3 Bd6 A) 10.Ne5 Qc7 (10...c5 11.Bh5 Re7 12.Nd3 Nh5 13.Qh5 f6 14.Qf3 Be8 15.e4 Qc7; 10...Bc8 11.f4 Qc7 12.d4 Nbd7 13.Bd3 a6 14.c4 ab5 15.c5 Be7; 10...Ne4 11.Bd3 f6 12.Nec4 Ba3 13.Na3 Nc5 14.Qh5 Nd3 15.cd3 a6) 11.f4 Bc8 12.Bd3 Nbd7 13.Nd7 Nd7 14.Qh5 g6 15.Qh6 Bf8; B) 10.d4 Ne4 (10...Bc8 11.c4 Nbd7 12.c5 Bc7 13.Qc2 e5 14.g3 Ne4 15.a5 ed4; 10...Qa5 11.Ne5 Ne4 12.bc6 Bc6 13.Nb5 Be5 14.de5 Bb5 15.ab5 Qb4; 10...Qc7 11.c4 Ne4 12.Bd3 b6 13.Qc2 f5 14.Ne5 Rc8 15.f3 Nc5; 10...h6 11.Ne5 Qa5 12.c4 Ne4 13.Qc2 Qd2 14.Qd2 Nd2 15.Rfd1 Bb4) 11.Nd2 f5 12.f4 Bc8 13.Ne4 fe4 14.c4 Nd7 15.Bc3 Nf6; C) 10.Be5 Qe7 (10...Qc7 11.d4 Ne4 12.Bd6 Qd6 13.Bd3 cb5 14.Nb5 Bb5 15.ab5 Nc3; 10...Bc8 11.d4 Be5 12.de5 Ne4 13.Qd4 c5 14.Qb2 Nd7 15.Bd3 f5) 11.Bd6 Qd6 12.d4 Bc8 13.c4 Nbd7 14.bc6 bc6 15.Qc2 Rb8; D) 10.c4 e5 (10...Ne4 11.Qc2 Qe7 12.Nb1 e5 13.d3 Nf6 14.Nbd2 Rc8 15.Rfc1 dc4) 11.d4 ed4 12.cd5 cd5 13.Nd4 Ne4 14.Rc1 Qf6 15.f4 a6.

9.Na3 Ne4 A) 10.h3 Qa5 (10...a6 11.c4 Bf6 12.Qc2 ab5 13.ab5 cb5 14.cb5 Bb2 15.Qb2 Qf6; 10...f6 11.c4 Qc7 12.Qc2 a6 13.Rfb1 Rc8 14.d3 Nc5 15.b6 Qd8; 10...g6 11.c4 Qa5 12.Qc2 a6 13.Nb1 Rc8 14.Nc3 Nd6 15.d3 cb5; 10...Bf6 11.Bf6 Qf6 12.c4 a6 13.Qb3 cb5 14.ab5 ab5 15.cd5 Na6) 11.c4 Rc8 12.Qc2 Be8 13.Nb1 Nd7 14.d3 Nd6 15.bc6 bc6; B) 10.c4 Qa5 (10...a6 11.d3 Nc5 12.d4 Ne4 13.Nd2 Nd2 14.Qd2 g6 15.h3 Bf8; 10...Bf6 11.Qc2 Bb2 12.Qb2 Qf6 13.d4 Qf5 14.Bd3 f6 15.Nd2 Qg4; 10...f6 11.Qc2 a6 12.d3 Nc5 13.d4 Ne4 14.Bd3 ab5 15.ab5 f5; 10...Qc7 11.Qc2 f6 12.Bd3 f5 13.Ne5 Rc8 14.f3 Nc5 15.Be2 Be8) 11.Qc2 Rc8 12.d3 Nc5 13.Nb1 dc4 14.dc4 f6 15.Nc3 Be8.

9.Na3 Bf8 10.c4 +/= (10.h3 Ne4 (10...a6 11.Ne5 Qc7 12.f4 Ne4 13.Bh5 g6 14.Bf3 Ng3 15.Re1 Bg7; 10...Bb4 11.c4 a6 12.Qc2 Qe7 13.Qb3 Ba5 14.d3 Bc8 15.Rfc1 Nbd7; 10...Bd6 11.c4 e5 12.c5 Bc7 13.Qb3 Qe7 14.bc6 Nc6 15.Nb5 Be6; 10...Qc7 11.c4 Ne4 12.d3 Nc5 13.Qc2 f6 14.d4 Ne4 15.Bd3 f5) 11.c4 Bd6 12.d3 Ng5 13.Qd2 Nf3 14.Bf3 Qg5 15.Nc2 Bc8; 10.Bd3 Ne4 (10...cb5 11.ab5 Bc8 12.Ne5 Nbd7 13.f4 Nc5 14.Be2 Nfd7 15.c4 Ne5; 10...Bc8 11.c4 Nbd7 12.Qc2 c5 13.Ng5 g6 14.f4 Bd6 15.Rf3 Qe7) 11.Nb1 Nd6 12.Qe2 f6 13.Nc3 e5 14.e4 f5 15.ed5 e4; 10.Ne5 Bc8 (10...cb5 11.ab5 Bc8 12.c4 Nbd7 13.Qc2 Ne5 14.Be5 Bb4 15.d4 Nd7; 10...Ne4 11.f3 Nd6 12.c4 f6 13.Ng4 cb5 14.cb5 Bc8 15.Rc1 Nd7) 11.f4 c5 12.Bf3 Nbd7 13.c4 h6 14.Qc2 Bd6 15.Nd7 Bd7) 10...e5 (10...a6 11.Qc2+= ab5 12.ab5 e5 13.Ne5 Re5 14.Be5 Ba3 15.Qb3 dc4; 10...Bd6 11.Ne5 cb5 12.ab5 Bc8 13.d4 Nbd7 14.c5 Be7 15.Nd3 Nf8; 10...Ne4 11.d3 Nc5 12.Qc2 f6 13.d4 Ne4 14.Nb1 Bb4 15.Nc3 Bc3; 10...Qc7 11.Qc2 Ne4 12.d3 Nc5 13.Be5 Qd8 14.Bd4 Qe7 15.Rfc1 Rc8; 10...Bb4 11.Qc2 a6 12.Qd3 dc4 13.Qc4 Ba3 14.Ba3 cb5 15.Qb3 ba4) 11.d4 White threatens to win material: d4xe5 (better is 11.Ne5!? a6 (11...Bf5 12.Nf3 Be4 13.d3 Bg6 14.Qd2 Nbd7 15.bc6 bc6) 12.bc6 (12.f4 ab5 13.ab5 Bf5 14.g4 Be6 15.Qc2 Nbd7) 12...Bc6 (12...Nc6 13.Nd7 Qd7 14.Bf6 gf6 15.cd5 Nb4) 13.Nc6 (13.f4 Nbd7 14.Nc6 bc6 15.Nc2 Rb8) 13...bc6 (13...Nc6 14.Bf6 gf6 15.Bf3 d4) 14.Rb1+/- (14.Nc2 Nbd7 15.Rb1 Qc7) 14...Nbd7 15.Nc2 Qc7) 11...e4+/= Black threatens to win material: e4xf3 (11...ed4 12.Bd4 Bf5 13.cd5 cd5 14.Bf6 Qf6 15.Qd5 Be4) 12.Nd2 (12.Ne5 Bf5 13.Rc1 a6 14.Qb3 ab5 15.ab5 c5) 12...h6 (12...Bf5 13.Nab1 Nbd7 14.Nc3 h6 15.Qb3 Qa5) 13.bc6 (13.h3 Be6= (13...Bf5 14.Qb3 Nbd7 15.c5 Qa5) 14.Nab1 Nbd7 15.c5 Nh7; 13.Nab1 Bf5 14.Nc3 Nbd7 15.c5 Qa5) 13...bc6 (13...Nc6 14.Nb5= Bf5 15.Nc3 dc4) 14.cd5 (14.Bc3 Qc8= (14...Bf5 15.Qc2 a5) 15.Qc2 Bf5; 14.h3 Bf5 15.cd5 cd5) 14...cd5 15.Qc2 (15.Nb3 Qb6) 15...Nc6 ½–½. Rodriguez de Castro,Ayar – Strugo,Victor, Wch U20 fin–D, 1973.

9.Bd3 Bc8 A) 10.Qe2 Nbd7 (10...Bd6 11.Be5 Be5 12.Ne5 c5 13.c4 Qd6 14.f4 Nbd7 15.Nd7 Bd7; 10...g6 11.h3 Nbd7 12.a5 Qc7 13.Nc3 Nc5 14.Ba3 Bd7 15.a6 ba6) 11.h3 Bd6 12.Nc3 e5 13.bc6 bc6 14.Bf5 Rb8 15.Ba3 Ba3; B) 10.h3 Nbd7 (10...Bd6 11.Be5 Be5 12.Ne5 Nbd7 13.f4 c5 14.c4 Qc7 15.Nd7 Bd7; 10...h6 11.Be5 cb5 12.Bb5 Nc6 13.Nc3 Bd7 14.Bc6 Bc6 15.Nb5 Nd7; 10...cb5 11.ab5 Nbd7 12.Nc3 e5 13.Be2 Bd6 14.Qb1 Nb6 15.d4 e4) 11.Nc3 Qc7 12.e4 c5 13.ed5 ed5 14.Re1 c4 15.Bf5 g6; C) 10.Be5 Nbd7 (10...Ne4 11.Nc3 f6 12.Bg3 Ng3 13.fg3 e5 14.Ne5 fe5 15.Bh7 Kh7; 10...c5 11.c4 Nbd7 12.Nc3 Ne5 13.Ne5 d4 14.ed4 Qd4 15.Qe2 Rd8) 11.bc6 bc6 12.Nc3 Ne5 13.Ne5 Bd6 14.Nc6 Qc7 15.Nd4 a6; D) 10.Nc3 Nbd7 (10...Qc7 11.bc6 bc6 12.Nd4 Nbd7 13.Rb1 g6 14.f3 e5 15.Nb3 Rb8; 10...c5 11.a5 Nbd7 12.h3 Bd6 13.Ba3 Qc7 14.b6 ab6 15.Nb5 Qb8) 11.Ne2 Qc7 12.Ng3 e5 13.Be2 e4 14.Nd4 Ne5 15.Ndf5 Bb4.

9.Ne5 A) 9...Bc8 A1) 10.Nc3 Bd6 (10...Nbd7 11.f4 Qc7 12.d4 Bb4 13.Qd2 Rd8 14.Bf3 c5 15.dc5 Ne5; 10...Qc7 11.d4 Nbd7 12.f4 Bb4 13.Qd2 Qa5 14.Bf3 cb5 15.ab5 Qb5) 11.f4 Nbd7 12.d4 Qc7 13.Qd3 c5 14.a5 Qd8 15.Ba3 Qe7; A2) 10.f4 Qc7 (10...Bd6 11.Na3 Qc7 12.Bd3 Nbd7 13.Nd7 Nd7 14.Qh5 g6 15.Qh4 Be7) 11.Nc3 Nbd7 12.d4 Bb4 13.Qd2 Qa5 14.Bf3 cb5 15.ab5 Qb5; A3) 10.d3 Qc7 (10...Nbd7 11.bc6 Ne5 12.Be5 bc6 13.Nd2 Bd6 14.Nf3 Rb8 15.Rb1 Rb1) 11.Nd2 Nbd7 12.f4 cb5 13.ab5 Ne5 14.fe5 Nd7 15.d4 f6; A4) 10.Nd3 Nbd7 (10...c5 11.c4 Nbd7 12.Qc2 Bd6 13.f4 h5 14.Ne5 h4 15.Bf3 Rb8; 10...Bd6 11.Nc3 Nbd7 12.f4 c5 13.Ba3 b6 14.Qe1 e5 15.Qh4 e4; 10...g6 11.Nc3 Nbd7 12.h4 e5 13.h5 d4 14.hg6 hg6 15.Nb1 Bd6) 11.Nc3 c5 12.a5 c4 13.Nf4 Nc5 14.Bf3 Bd7 15.g3 a6; B) 9...Qc7 10.d4 (10.f4 Bc8 11.Nc3 Nbd7 12.d4 Bb4 13.Qd2 Rd8 14.Bf3 c5 15.dc5 Ne5; 10.Bd3 Bc8 11.f4 Nbd7 12.Qf3 a6 13.Qg3 Nh5 14.Qh3 g6 15.bc6 bc6; 10.Na3 Bc8 11.Bd3 Nbd7 12.f4 a6 13.Nd7 Bd7 14.ba6 ba6 15.Qe2 c5) 10...Bc8 (10...cb5 11.ab5 Ne4 12.c4 dc4 13.Qc2 Nd6 14.Na3 Nb5 15.Qc4 Qc4) 11.Nd2 Nbd7 12.c4 Ne5 13.de5 Nd7 14.cd5 ed5 15.f4 Nc5.

7.c4 cb5 8.ab5 0-0 9.Be2 b6 10.0-0 Bb7 11.d4 a5 12.Nbd2 Bb4 13.Qb3 Qe7 14.Rfc1 Rfc8 15.Rc2 (15.Ba3 Ba3 16.Ra3 e5=) 15...Rc7 16.h3 Rac8 17.Rac1 h6 18.Bd3 Ne4 19.Bf1 (19.cd5 Bd5 20.Qa4 Rc2 21.Rc2 Rc2 22.Qc2 Nd2 23.Nd2 a4=) 19...Ndf6 20.Ne4 Ne4 21.Bd3 dc4 22.Bc4 Nd6 23.Be2 Bf3 24.Bf3 (24.Rc7 Rc7 25.Rc7 Qc7 26.Bf3 Qc4 27.Qc4 Nc4=+) 24...Rc2 25.Rc2 Rc2 26.Qc2 Nb5 27.Qc6 Na3 (better 27...Nd6!?=+) 28.Ba3+= (worse 28.Qb6 Nc4 29.Qb8 Qf8 30.Qf8 Kf8-/+) 28...Ba3 29.Qb6 Bb4 30.Qa6 Qc7 31.Qa8 Kh7 32.Qc6 Qc6 33.Bc6 Kg6 34.Kf1 Kf6 35.Ke2 Ke7 36.Kd3 Kd6 37.Be8 f6 38.Kc4 Be1 39.f3 Bb4 40.e4 Be1 41.Ba4 ½-½. Mely (2245) - jaghund (2145), ChessWorld.net, 2016.

7.d4 0-0 8.c4 Bb4 9.Bc3 Qa5 (9...Bc3 10.Nc3 c5 11.Rc1=) 10.Qb3 Bc3 11.Qc3 Qc7 12.Nbd2 White plans a5 12...Re8 (12...a6 13.bc6 Qc6 14.Bd3+=) 13.c5 (13.Rc1 Ne4 14.Qc2 Nd2 15.Nd2 e5 16.de5 dc4+=) 13...e5= 14.a5 (14.Rb1 Ne4 15.Ne4 ed4 16.Nd4 de4 17.bc6 bc6=) 14...Ng4 (14...e4 15.Ng5=) 15.b6 (15.a6 e4 16.ab7 Bb7=) 15...Qb8 (15...Qd8 16.h3 ed4 17.Nd4=) 16.h3 (16.Be2 ab6 17.cb6 Qd6=) 16...ed4 17.Qd4 (better is 17.Nd4 Ngf6 18.Rd1=) 17...Ne3?? (better is 17...Ngf6=) 18.fe3+- Qg3 19.Kd1 Qf2 (19...ab6 20.cb6 Nf6+/-) 20.e4 (better is 20.Ra3!?+-) 20...Qd4+/- 21.Nd4 de4 22.N2b3 Nc5 23.Nc5 ab6 24.Ncb3 (24.Na4 Rd8 25.Nb6 Rd4 26.Ke2 Rb8+/-) 24...c5 (24...ba5 25.Ke2 (worse is 25.Ra5 Ra5 26.Na5 Rd8+=; worse is 25.Na5 b6+=) 25...a4 26.Ke3+=) 25.Nb5 (25.Nc2 ba5 26.Ra5 Ra5 27.Na5 b6+-) 25...Rd8 (25...Be6 26.Nd2 e3 27.Nc4 ba5 28.Ne3 Bb3 29.Nc2+-) 26.Ke1 (better is 26.Kc2 Be6 27.Nc7 Bb3 28.Kb3 Ra5 29.Re1+-) 26...Rd7?? (better is 26...Be6 27.Ra3 Bb3 28.Rb3 Ra5+-) 27.ab6+- Ra1 28.Na1 Re7 29.Nc7 (29.Nb3!? Re6 30.Nc5 Re5+-) 29...Be6 30.Bb5 f5 (30...g5+-) 31.Ne6 g6 (31...Re6 32.Bc4 Kf7+-) 32.Bc4 (32.Nb3 Kf7 33.Nd8 Kf6 34.Nc5 Re5 35.Nd7 Ke7 36.Ne5 Kd8 37.Nc6 Ke8 38.Na5 Kd8 39.Nb7 Ke7+-) 32...h5 (32...Kf7 33.Nc5 Ke8 34.Nab3+-) 33.Nc5 Kh7 (33...Kg7 34.Ke2+-) 34.Nab3 (better is 34.Ke2 Kg7+-) 34...f4 (34...h4 35.Bd5 Re8 36.Bb7+-) 35.Nd4 (35.Bd5 e3 36.Bb7 Re8+-) 35...f3 (35...Kh8 36.Nde6+-) 36.gf3 ef3 37.Kf2 (37.Kf2 Kh6 38.Nf3+-) 1–0. Nielsen,Joergen Axel – Raundorf, Denmark, 1969.

7.d4 0-0 8.Be2 c5 9.c4 b6 10.Nbd2 Bb7 11.0-0 Ne4 12.Ne4 de4 13.Nd2 Bf6 (better is 13...cd4!? 14.ed4 Bd6+=) 14.Qc2+/- cd4 15.ed4 (15.Ne4?! Be4 16.Qe4 Nc5+=) 15...e5 (15...a6 16.Ne4 Be7 17.Bd3+/-) 16.Ne4 (16.d5 Rc8 17.Bc3 Be7 18.Qe4 f5+/-) 16...ed4 (16...Be4 17.Qe4 ed4 18.Bd3+=) 17.Nf6+/- Qf6 18.Qd3 (18.Rfd1 Qg5 19.g3 Rfe8+/-) 18...Qg5 19.Bf3?? (better is 19.Qh3+/-) 19...Ne5–+ (19...Ne5 20.h4 Nd3 21.hg5 Bf3 (21...Nb2?! 22.Bb7 Rae8 23.Ra2 Nc4 24.Bd5=) 22.Bd4 Be2–+) 0–1. GuestXJXZ – GuestXFLD, freechess.org, 2017.

7.Be2 0-0 8.0-0 c5 9.c4 b6 10.d4 Bb7 11.Nbd2 dc4 (11...a6 12.cd5 Nd5 13.Rc1=) 12.Bc4 (12.Nc4 Rc8=) 12...Ne4 (12...Rc8 13.Rc1=) 13.Ne4+= Be4 14.Rc1 (14.d5 ed5 15.Bd5 Bd5 16.Qd5 Bf6=) 14...Bf6 15.Nd2 (15.Qe2 Rc8+=) 15...Bb7= 16.Ba3 Re8 (16...Rc8 17.Qg4=) 17.dc5+= Nc5 18.a5 (18.Bc5 bc5 19.Qc2 Rc8+=) 18...Ne4 (18...Rc8 19.a6 Bd5 20.Qe2=) 19.Ne4+= Be4 20.f3 (20.Qg4 Bf5 21.Qe2 Qb8+=) 20...Bg6 (20...Bd5 21.a6=) 21.a6+= Qb8 (21...Qd1 22.Rfd1 Bg5 23.Kf2+/-) 22.Bd6 Qd8 23.Qd2 (23.Rf2 Qd7+=) 23...Rc8 (23...Re7!? 24.Qb4 Rd7=) 24.Rfd1+= Be7 25.Be7 (25.e4 Bd6 26.Qd6 Qg5+=) 25...Qe7 26.Qd7 Qa3 (26...Kf8 27.e4+=) 27.Qa7 (27.e4 Qc5 28.Kh1 Rf8+=) 27...Qe3 28.Kh1 Bh5 (28...Qg5 29.Qd7+=) 29.Qb7 (29.Qd7 Qg5+/-) 29...Red8 (29...Rf8!?+=) 30.Rd8 (30.Bf1 Qc1 31.Rc1 Rc1+-) 30...Rd8 Threatening mate... how? 31.Rg1 h6 (31...Rf8 32.a7 Qa3 33.Qb6 Bf3 34.gf3 Qf3 35.Rg2 Qd1 36.Qg1+-) 32.a7 Qa3 33.Qb6 Ra8?? (33...Re8+-) 34.Qb8!! Kh7 (34...Rb8 35.ab8Q) 35.Qa8 Qc5 36.Bd3 (36.Bd3 g6 37.Qb8+-) 1–0. Bonetti,Shane – guest203, ICC, 2002.

7.Be2 0-0 8.0-0 c5 9.c4 Bd6 (9...a6 10.d4=) 10.a5 (10.d4 cd4 11.Qd4 e5=) 10...e5 11.d4 cd4 12.ed4 e4 13.Nfd2 (better is 13.Ne5=) 13...b6 (better is 13...Qc7 14.h3 Re8=) 14.ab6+/- Nb6 (14...dc4!? 15.Nc4 Bb8 16.ba7 Ba7+-) 15.c5+- 1–0. DEFFM – grizzlebeard, freechess.org, 2018.

7.Be2 0-0 8.0-0 Qc7 9.d4 Bd6 10.c4 dc4 11.Na3 c3 12.Bc3 Nd5 (12...Ne4 13.Bb2+=) 13.Bb2 Ba3 (13...Be7!?+=) 14.Ra3 cb5 15.ab5 N7f6 16.Qd3 Bd7 17.Ne5 Rfc8 18.Nd7 (18.Rc1!? Qb6 19.Rb3+-) 18...Qd7+= 19.Rb3 Rc7 (19...Qc7 20.Rc1 Qa5 21.Ra1+/-) 20.g3 Rac8 21.Ra1 b6 22.e4 Ne7 23.Kg2 Rc4 24.Qe3 Rc2 25.h3 Qb7 26.Bf3 Qd7 27.Bc3?? (better is 27.Qd3 R2c4 28.Ra2+/-) 27...h6?? (better is 27...Ned5 28.ed5 Nd5=) 28.Qd3+- R2c3 29.Rc3 Rd8 30.Rd1 Kh8 31.Rd2 Kg8 32.Bd1 Ng6 33.h4 Qb7 34.f3 Qd7 35.Bb3 Ne7 36.Kf2 Kh8 37.Ke3 (37.Rd1 Kg8+-) 37...Qb7 (37...Kg8 38.Bc4+-) 38.Rdc2 Rd7 39.Rc1 Kg8 40.Qc2 (40.Kf2 Ne8+-) 40...Ne8 41.Qa2 Nc7 42.Bc4 Kh8 43.Ra1 Kg8 (43...Ne8 44.Kf2+-) 44.Ra3 (44.Qa7 Qc8 45.Qa4 Qd8+-) 44...Nc8 45.Qb3 Kh8 46.h5 (46.Ra4 Qb8+-) 46...Ne8 47.d5 e5 (47...ed5 48.Bd5 (48.ed5?! Nf6+/-) 48...Qc7 49.Bc6+-) 48.Bf1 Ned6 (48...Nf6 49.Bh3 Rc7 50.Qb4+-) 49.Rc1 (49.Kf2 f5 50.Bh3 fe4 51.Bd7 Qd7 52.fe4 Nb5+-) 49...Ne7 (49...f5 50.Qb4+-) 50.Qd3 (50.Qb2 f6+-) 50...Rd8 (50...Ng8 51.Kf2+-) 51.Qc3 (51.Rac3 Rd7+-) 51...Rc8 52.Qb2 Rc1 53.Qc1 Qd7 (53...f5 54.Qc3+-) 54.Qb2 (54.Kf2 f6+-) 54...Nec8 (54...f6 55.Kf2+-) 55.Rb3 (55.Qe5!? f6 56.Qe6 Qc7+-) 55...Qc7 (55...f6 56.Qc3+-) 56.Qc3 (56.Rc3 Qd8+-) 56...Qb8 (56...Qe7 57.Kf2+-) 57.Rb2 (57.Qc6 Ne7 58.Qd7 Ng8+-) 57...Ne8 (57...Nb7 58.Ra2+-) 58.Bh3 (58.Kf2 Kg8+-) 58...Ncd6 59.Kf2 Qd8 60.Qc6 (60.Qe5?! Nc4 61.Qd4 Nb2 62.Qb2 Qc7+-) 60...Qc7 (60...Nf6 61.Ra2 Nh5 62.Qd7 (62.Ra7 Qg5 63.Ke2 Qg3 64.Rf7 Nf7 65.Qe8 Kh7 66.Bf5 g6 67.Qf7 Kh8=) 62...Qd7 63.Bd7+-) 61.Bd7 (better is 61.Ra2 Qc6 62.bc6+-) 61...Qd8 (61...Qc6 62.bc6 Nc7+-) 62.Ra2 Nf6 (62...Qb8 63.Be8 Ne8+-) 63.Ra7 Qe7 64.Qa8 Ng8 65.Qc6 Qf6?? 66.Kg2+- Kh7 67.Qb6 Ne4 68.Qf6 Nef6 69.Bc6 Nh5 70.d6 Nhf6 71.d7 Nd7 72.Rd7 Nf6 73.b6 Nd7 74.Bd7 Kg6 75.b7 Kf6 76.b8Q g6 77.Qd6 Kg7 78.Qe5 Kh7 79.Qf6 Kg8 80.Be8 Kh7 81.Qf7 Kh8 82.Qg6 h5 83.Bf7 h4 84.Qh6 1–0. Batchelor,Guy J (1880) – Espinosa Cancino,Monica, Glasgow SCO, Commonwealth Ch, 2014.

7.Be2 0-0 8.0-0 Bd6 9.Nc3=.

7.Be2 a6 8.Nc3 0-0 (8...Qc7 A) 9.bc6 bc6 10.0-0 (10.Ba3 Ba3 11.Ra3 0-0 12.0-0 Bb7) 10...0-0 11.Ba3 Ba3 12.Ra3 Bb7; B) 9.Nd4 B1) 9...Nc5 10.f4 (10.0-0 e5 11.Nf3 0-0 12.d4 ed4; 10.bc6 bc6 11.f4 0-0 12.0-0 Bd7) 10...0-0 11.0-0 Bd7 12.Qe1 ab5; B2) 9...0-0 10.0-0 Nc5 11.bc6 bc6 12.f4 Bd7; C) 9.0-0 0-0 10.h3 e5 11.Re1 Rb8 12.d4 e4; D) 9.h3 Nc5 (9...e5 10.0-0 0-0 11.d4 e4 12.Nh4 ab5; 9...0-0 10.bc6 bc6 11.0-0 Rb8 12.Rb1 Rb4) 10.0-0 (10.bc6 bc6 11.Rb1 0-0 12.0-0 Rb8; 10.ba6 ba6 11.0-0 0-0 12.Rb1 Rb8) 10...0-0 11.Ba3 ab5 12.ab5 Bd7; E) 9.g3 Nc5 (9...0-0 10.0-0 Nc5 11.d4 Nce4 12.bc6 Nc3) 10.0-0 (10.bc6 bc6 11.0-0 Rb8 12.Rb1 0-0; 10.ba6 ba6 11.0-0 Rb8 12.Rb1 0-0) 10...0-0 11.d4 Nce4 12.bc6 Nc3) 9.0-0 Qc7 (9...e5 10.h3 Qc7 11.Re1 Rb8 12.Ba3 Ba3) 10.Ba3? (better is 10.bc6 bc6 11.Ba3 (11.Rb1 Rb8 12.Nd4 c5) 11...Ba3 12.Ra3+= Bb7; 10.d4 b6 11.bc6 Qc6 12.Bd3 Bb7) 10...Ba3–+ 11.Ra3 ab5 12.Ra1 b4 13.Na2 Ra4 (13...Qb6 14.c3 b3 15.Rb1-/+) 14.c3-/+ b3! 15.Qb3 Nc5 (15...b5 16.Nb4 Bb7 17.Ra4-/+) 16.Qc2 (16.Qb2 Bd7-/+) 16...Qa5 17.Rfb1 (17.Qb2 Bd7 18.Nb4 Ra8 19.Ra4 Na4-/+) 17...Bd7–+ 18.d4 (18.Bd1 Ra3–+) 18...Nce4 19.Bd1 (19.Qa4 Qa4 20.Nb4 Ra8 21.Ra4 Ra4–+) 19...b5 (better is 19...Ra3!? 20.Rb7 Nc3 21.Nc3 Ra1–+ (worse is 21...Qc3 22.Ra3 Qa3 23.Ne5+=)) 20.Qb2 Ra3 21.Nb4 Ra8 22.Ra3 Qa3 23.Qa3 Ra3 24.Rc1 (24.Ne5 Nc3 25.Rc1 Be8–+) 24...Rc3 (24...c5 25.dc5 Nc5 26.Nd4–+) 25.Rc3 Nc3 26.Bc2 Nce4 27.Ne5 (27.Na6 Bc8 28.Nb8 c5 29.dc5 Nc5-/+) 27...c5 28.dc5 Nc5 29.Nd7 (29.f3 Kf8–+) 29...Nfd7 (29...Ncd7?! 30.Bd3-/+) 30.f3 (30.Nc6 f6–+) 30...Ne5 31.Kf2 (31.h4 h6–+) 31...h6 32.Ke2 (32.h4 Kf8–+) 32...Kf8 33.Kd2 (33.f4 Nc4–+) 33...Nc4 34.Ke2 Ke7 35.h4 (35.g3 Kd6–+) 35...Kd6 36.f4 (36.g4 e5–+) 36...f5 (36...h5 37.Bd1–+) 37.Kf3 (37.Bb1 g6–+) 37...Nd2 (37...Ne4 38.Ke2–+) 38.Ke2 Nde4 39.Kf3 Nd2 (39...Nf6 40.Ke2–+) 40.Ke2 Nc4 41.Kf3 Kc7 (better is 41...Ne4–+) 42.g4 (42.Ke2–+) 42...fg4 43.Kg4 (43.Kf2 Kd6–+) 43...Ne3 44.Kh5 (44.Kf3 Nc2 45.Nc2 Kd6–+) 44...Ne4 (better is 44...d4!? 45.Bd3 Nd3 46.Nd3–+) 45.Kg6 Nf5 (45...Kd6!? 46.Bd3 Nf5 47.h5–+) 46.Nd5 ed5 47.Kf5 Nf6?? (better is 47...Nc5 48.Ke5 Kc6–+) 48.Kg6-/+ Ne8 49.Kf7 Kd8 (49...Kd7 50.Bf5 Kd8 51.Bc2-/+) 50.Bg6 (50.Ke6 Nf6-/+) 50...b4 51.Kf8 (51.Bc2 h5-/+) 51...Nd6 52.Bc2 (52.Kg7 b3 53.Bb1–+) 52...Kd7 (better is 52...g6–+) 53.Kg7+= Ke6 (better is 53...h5+=) 54.Kg6? White intends f5 (54.h5 d4=) 54...Ne4 (better is 54...d4!?-/+) 55.f5= Ke5 (55...Ke7 56.h5= (56.Kh6? Kf6 57.Kh7 Ng3–+)) 56.Be4 Ke4?? (better is 56...de4 57.f6 b3=) 57.f6+- b3 (57...d4 58.f7 d3 59.f8Q+-) 58.f7 b2 59.f8Q Kd4 (59...Kd3+-) 60.Qb4 (60.Qb4 Kd3 61.Qb3 Ke4 62.Qb2+-) 1–0. Gonzalez Berrendero,C (1840) – Fernandez Estremera,F, 7th San Sebastian de los Reyes, Open, 2015.

7.Be2 a6 8.c4 ab5 9.cb5 cb5 10.ab5 Ra1 11.Ba1 0-0 12.0-0 b6 13.d4 Bd6 (13...Bb7 14.Bb2=) 14.h3 (14.Bb2 Qe7=) 14...Bb7 15.Nbd2 (15.Nc3 Qe7=) 15...Ne4 (15...Qe7 16.Ne5=) 16.Ne4 (16.Ne5 Ndf6=) 16...de4 17.Nd2 (17.Ne5 Bd5=) 17...Bb8 (17...Qh4 18.Nc4 Be7 19.Qe1=) 18.Qb1 (18.f4 Bd5=) 18...Qc7 (18...Nf6 19.Rc1=) 19.g3 Nf6 20.Rc1 Qd7 (20...Qd8 21.Nc4=) 21.Kg2 (21.Nc4 Bc7=) 21...Re8 (21...Bd5 22.Nc4 Bc7 23.Ne5=) 22.Nc4 Nd5 (22...Qd8 23.Qc2=) 23.Ne5 Qd6 (23...Be5 24.de5 Rc8 25.Bd4=) 24.Nc6 (24.Kf1!?=) 24...Ne3+= 25.Kh2 (25.fe3 Deflection from g3 25...Qg3) 25...Nf5-/+ 26.Rg1 (26.Qb4 Qb4 27.Nb4 e3–+) 26...Bc6 (26...e3 27.f4–+) 27.bc6-/+ Qc6 (better is 27...e3 28.f4 Rc8–+ (28...Nd4?! 29.Bd4 Qd4 30.Rd1-/+; 28...Qc6?! 29.Bb5 Qf3 30.Be8 Ng3 31.Rg3 Bf4 32.Qe1=)) 28.Bb5+= Qc8 29.Be8 (29.Rc1 Qd8 30.Be8 Qe8 31.Qe4 Nd6+/-) 29...Qe8 30.Qb6 e3 (30...Bd6!?=) 31.fe3+/- Qc8 32.Qc5 (32.Qb3!? h5 33.e4 Ng3 34.e5+=) 32...Qa6= 33.Qc2 (33.Qc1 Bd6 34.Rg2=) 33...h6 (better is 33...Ne3!? 34.Qf2 Nf5=) 34.e4 (34.Qb2 Ba7 35.Qd2 Bb8+=) 34...Ng3+= 35.Rg3 (35.Qb2 Qe2 36.Rg2 Nf1 37.Kh1=) 35...Bg3-/+ 36.Kg3 Qa1 37.d5? (better is 37.Qd3-/+) 37...Qe5–+ 38.Kf3 ed5 39.Qc8 Kh7 40.Qf5? (40.ed5 Qd5 41.Kf2–+) 40...Qf5 41.ef5 g6 (better is 41...g5 42.fg6 Kg6 43.Kf4–+) 42.Kf4 f6 43.h4 h5 44.Ke3 g5 45.hg5 fg5 (45...fg5 46.Kd4 h4 47.Kd5 h3–+) 0–1. Bittner,Hansjoerg – Krause, corr, 1986.

7.Be2 Qc7 8.d4 (8.0-0 0-0=) 8...Ne4 (8...a6 9.0-0=) 9.Nbd2 (9.0-0 0-0=) 9...Ndf6 (9...cb5 10.ab5 Nc3 11.Bc3 Qc3 12.0-0=) 10.0-0 0-0 (10...cb5 11.ab5 Nc3 12.Bc3 Qc3 13.Ra2+=) 11.c4 Nd2 (11...cb5 12.ab5 Nd2 13.Qd2 dc4 14.Qc2+=) 12.Qd2+= Ne4 (12...cb5 13.cb5 Ne4 14.Qd3+=) 13.Qc2 cb5 14.ab5 b6 (14...Bd7 15.Bd3+=) 15.Ne5 (15.Ba3 Ba3 16.Ra3 Bb7+/-) 15...Bf6 (15...f6!? 16.Nc6 Bd6+=) 16.Nc6 Bb7 17.Bd3 (17.Rfc1 Bc6 18.cd5 ed5 19.Qc6 Qd8+/-) 17...Bc6 (17...a6 18.f3 Nd6 19.cd5 ed5 20.Bh7 Kh8 21.Ne5 Nb5 22.Qf5 Be5 23.de5+=) 18.cd5 ed5 19.bc6 Rac8 (19...Rfe8 20.f3 Ng5 21.e4+=) 20.Rfc1 (20.Be4 de4 21.Qe4 Qc6+/-) 20...Bh4 (20...Rfe8!?+/-) 21.Be4+- de4 22.Qe4 Be7 (22...Bf6 23.Ra2+-) 23.d5 Bd6 24.g3 (24.Qh4+-) 24...f5 (24...a5+-) 25.Qe6 Kh8 26.Ra6 Rce8 27.Ra7! Re6? (27...Qa7 28.Qd7 Double attack (28.Qd7 Decoy)) 28.Rc7 Rg6 (28...Bc7 29.de6 Rd8+-) 29.Rd7 Bc5 (29...Rg8+-) 30.c7 f4 31.Rd8 fe3 32.Rc5! (32.Rc5 h6 33.Rf8 Kh7 34.c8Q Re6 35.Rh8 Kg6 36.Qe6 Kg5 37.f3 bc5 38.Qg4) 1–0. DEFFM – GuestLBDT, freechess.org, 2018.

7.Be2 Nf8 8.bc6 (8.Ne5 cb5 9.ab5 N8d7+=) 8...bc6= 9.Ne5 N6d7?? (better is 9...Bd7=) 10.Nc6+- Qb6 11.Bg7 Qc6? (better is 11...Rg8 12.Ne7 Rg7 13.Nc8 Rc8+-) 12.Bh8 f6 (12...Ng6 13.Bg7+-) 13.Bb5 Qd6 (13...Qc7 14.Nc3+-) 14.Qh5 Kd8 15.Nc3 (15.Bg7 Rb8+-) 15...Qe5 (15...Bb7 16.Rb1 d4 17.ed4 Bg2 18.Rg1+-) 16.Qf7 (16.Qh6 Qf5 17.e4 Qg4+-) 16...d4 (16...Qg5 17.0-0+-) 17.f4 Qc5 (17...Qf5 18.ed4 Qg6 19.Qg6 Ng6 20.Bg7+-) 18.Bd7 Bd7 (18...Nd7 19.Qg8 Bf8 20.ed4 Qd4 21.Bg7+- (worse is 21.Qh7 Bb7 22.Qg8 Rc8+-)) 19.Bf6 Bf6 20.Qf6 Kc7 21.ed4 Qf5 22.Qe5 (22.Qe7 Re8 23.Qa3 a6+-) 22...Qe5 (22...Kd8 23.Qf5 ef5 24.Ke2+-) 23.fe5 Ng6 (23...Bc6 24.0-0 Nd7 25.Rf7+-) 24.0-0 Rg8 (24...Rf8 25.Rf8 Nf8 26.Rf1+-) 25.Rf7 Kd8 (25...Nh4 26.g3 Kc6 27.Nb5+-) 26.Rb1 Kc8 (26...Ne7 27.Rh7 Nc8 28.Ne4 Ba4 29.Nc5+-) 27.Ne4 Bc6 (27...Nh4 28.Nd6 Kc7 29.Rb7 Kc6 30.Rfd7 Rg2 31.Kh1 Kd5 32.Rh7 Rh2 33.Kh2 Nf3 34.Kg3 Nd4+-) 28.Nd6 1–0. b4_player – opponent, gamecolony.com, 2007.

7.Nf3 a6 8.Nc3 cb5 (8...ab5 9.ab5 Ra1 10.Qa1 Qc7 11.Bd3 c5 12.0-0 Bd7=; 8...c5 9.Bd3 b6 (9...c4 10.Be2 Bc5 11.0-0 Qd6 12.a5 ab5=; 9...Nbd7 10.0-0 Qa5 11.Be2 c4 12.Qe1 Rd8=) 10.0-0 Bb7 11.f5 c4 12.Be2 Nbd7=; 8...Ne4 9.Bd3 (9.Be2 Bf6 10.0-0 Bc3 11.Bc3 Nc3 12.dc3 ab5+=) 9...Bh4 (9...cb5 10.ab5 Nc3 11.Bc3 Nd7 12.0-0 Nc5=) 10.g3 Nc3 11.Bc3 Be7 12.0-0 c5=) 9.ab5 a5 (9...Ne4 10.Bd3 Nc3 11.Bc3 Nd7 12.0-0 Nc5=) 10.Be2 b6 (10...Ne4 11.0-0 Nd7 12.Na4 Ndc5=) 11.0-0 (11.Nd4 Ne4 12.Ne4 de4=) 11...Bb7 (11...Nbd7 12.Ne5 Bb7=) 12.Na4 (12.f5 Bd6=) 12...Nbd7 13.f5 Nc5 14.fe6 Ne6 (14...fe6!? 15.Nc5 bc5=) 15.Nd4+= Nd4 16.Bd4 (worse is 16.ed4 Re8+=) 16...Nd7 17.Bg4 Nc5 18.Bf5 Bc8 19.Nc3 Ne6 20.Ra4 Bb4 21.Ne2 Nd4 (21...Bd7 22.Bd3=) 22.Nd4+= (worse is 22.ed4 Bf5 23.Rf5 Qd7+=) 22...Bf5 23.Rf5 Qd7 24.Qf3 Bd2 25.Rd5 Be3 26.Kh1 (26.Qe3 Qd5) 26...Qe8 27.Nf5 Bd4 28.Ng3 (28.Rad4 Qe1; 28.Rdd4 Qe1; 28.Nd4 Qe1) 28...Qe1-/+ 29.Nf1 Bc5 30.Rf5 Rae8 31.Rg4 Re2?? (better is 31...g6–+) 32.Rg7!! Kh8 (32...Kg7 33.Rg5) 33.Rh7!! 1–0. Filipowicz,Andrzej (2400) – Pytlakowski,Andrzej (2400), Legion–ch Warszawa, 1969.

7.Nf3 a6 8.c4 dc4 9.Bc4 cb5 10.ab5 Nbd7 11.0-0 Nb6 12.Be2 Bd7 13.Nc3 Nfd5 14.Qb3 Nc3 15.Bc3 ab5 16.Ra8 Qa8 17.Bb5 Bb5 18.Qb5 Qa6 19.Qb3 h6?? 20.Ra1+- Qd3 21.Rb1 Nd5 22.Qb7 Nc3-/+ 23.dc3 Qe3 24.Kh1 Bf6 25.Qb4 Qc3 26.Qc3 Bc3 27.h3 Rd8 28.Rb7 Rd1 29.Kh2 f6 30.Rc7 Ba1 31.Nh4 Kh7 32.f5?? Be5–+ 33.g3 Bc7 34.fe6 Re1 0–1. elsh1403 – bnono62, kurnik, 2011.

7.Nf3 a6 8.Bd3 A) 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Ng5 Nbd7 12.Bb5 Ne8=; B) 8...b6 B1) 9.Nc3 c5 (9...Bb7 10.0-0 c5 11.ba6 Ba6 12.Nb5 Nc6=) 10.0-0 Bb7 11.ba6 Na6 12.Be2 c4=; B2) 9.Ne5 Qc7 (9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Ne4=; 9...c5 10.Qf3 Bb7 11.0-0 Ne4 12.Qg4 f5=; 9...Bb7 10.0-0 c5 11.Qf3 Ne4 12.Qg4 f5=; 9...Bd7 10.Nc3 c5 11.0-0 c4 12.Be2 Qe8=; 9...Qd6 10.0-0 Bb7 11.Qf3 Nbd7 12.bc6 Bc6=) 10.0-0 Ne4 11.Nc3 f6 12.Nf3 Nc5=; B3) 9.Be2 Bb7 (9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Ba6=; 9...Bd7 10.Nc3 Ne4 11.0-0 f6 12.Ne4 de4=; 9...c5 10.0-0 Bb7 11.Ne5 Nbd7 12.Qe1 Ne5=; 9...Ne4 10.0-0 f6 11.Nc3 Qd7 12.Ne4 de4=; 9...Qe8 10.Nc3 Bb7 11.0-0 Qd8 12.f5 Bd6=; 9...Qc7 10.0-0 Nbd7 11.Nc3 Bb7 12.bc6 Bc6=) 10.0-0 Ne4 11.Nc3 Bb4 12.Ne4 de4=; B4) 9.0-0 c5 (9...Bb7 10.f5 Qd7 11.Ng5 g6 12.fg6 fg6=) 10.Ne5 c4 11.Be2 Ne4 12.Bf3 Nd6=; C) 8...Nbd7 C1) 9.Be2 Ne4 (9...ab5 10.ab5 Ra1 11.Ba1 Ne4 12.Nc3 cb5=; 9...Qb6 10.a5 Qd8 11.b6 c5 12.0-0 Ne4+=) 10.0-0 ab5 11.ab5 Ra1 12.Ba1 cb5=; C2) 9.Ne5 Ne5 (9...Ne4 10.0-0 Qc7 11.Be4 de4 12.bc6 bc6=; 9...ab5 10.ab5 Ra1 11.Ba1 c5 12.c4 dc4+=; 9...cb5 10.ab5 Nc5 11.ba6 ba6 12.Nc6 Qc7=; 9...c5 10.ba6 ba6 11.Nc6 Qe8 12.0-0 Bd6=) 10.fe5 Nd7 11.Qh5 g6 12.Qg4 f5+=; C3) 9.0-0 c5 (9...ab5 10.ab5 Ra1 11.Ba1 c5 12.Be2 Qa5=; 9...Nc5 10.Be2 ab5 11.ab5 Ra1 12.Ba1 cb5=; 9...Qc7 10.Nc3 Rd8 11.Qe1 Nc5 12.Be2 cb5=; 9...cb5 10.ab5 Ne4 11.Nc3 Ndc5 12.Be2 Qc7=; 9...Ne4 10.Nc3 Ndc5 11.Be2 Bd7 12.ba6 ba6=) 10.Nc3 ab5 11.Bb5 Qc7 12.Rb1 Nb6=; C4) 9.Nc3 ab5 (9...Nc5 10.Be2 ab5 11.ab5 Ra1 12.Qa1 Nce4=; 9...c5 10.0-0 ab5 11.Bb5 Qb6 12.Rb1 Qc7=) 10.ab5 Ra1 11.Qa1 Nb6 12.0-0 Bd7=; D) 8...Bd7 9.Nc3 Qc7 (9...ab5 10.ab5 Ra1 11.Ba1 c5 12.0-0 c4=; 9...c5 10.0-0 c4 11.Be2 Bb4 12.Nd4 Qb6=; 9...Qe8 10.Ne5 c5 11.Qf3 ab5 12.Nb5 Qd8=; 9...Qa5 10.0-0 c5 11.Ne5 c4 12.Be2 Rd8=; 9...b6 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5=; 9...Bb4 10.0-0 c5 11.Na2 Ba5 12.Ng5 h6=) 10.0-0 ab5 11.ab5 Ra1 12.Ba1 cb5=; E) 8...c5 E1) 9.Be2 ab5 (9...Nbd7 10.0-0 b6 11.Nc3 c4 12.d3 cd3=; 9...c4 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Qa5=; 9...b6 10.0-0 Bb7 11.Ne5 Nfd7 12.Na3 c4=; 9...Ra7 10.0-0 b6 11.Na3 c4 12.d3 Bc5=) 10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qb6+=; E2) 9.Nc3 b6 (9...Qa5 10.0-0 b6 11.Ne5 c4 12.Bc4 dc4=) 10.0-0 Bb7 11.ba6 Na6 12.Be2 Nc7=; E3) 9.Ne5 c4 (9...ab5 10.Bb5 Nbd7 11.0-0 Ne5 12.fe5 Nd7=; 9...Ne4 10.Be4 de4 11.Nc3 b6 12.0-0 Bb7=; 9...Bd7 10.Nc3 c4 11.Be2 Bb4 12.0-0 ab5=) 10.Be2 Ne4 11.Nc3 Nc3 12.Bc3 f6+=; E4) 9.0-0 b6 (9...c4 10.Be2 ab5 11.ab5 Ra1 12.Ba1 Bd7=; 9...Nbd7 10.Nc3 ab5 11.Bb5 Qa5 12.Rb1 Rd8=; 9...ab5 10.ab5 Ra1 11.Ba1 c4 12.Be2 Qa5=; 9...Bd7 10.Nc3 c4 11.Be2 Bb4 12.Nd4 Qb6=; 9...Qe8 10.Nc3 c4 11.Be2 b6 12.Ne5 Bd7=) 10.Ne5 c4 11.Be2 Ne8 12.Nc3 f6=.

7.Nf3 a6 8.Be2 A) 8...Bd7 A1) 9.Ne5 ab5 (9...Ne4 10.0-0 ab5 11.ab5 Ra1 12.Ba1 cb5=; 9...Qc7 10.Nc3 Bd6 11.ba6 Na6 12.Ba3 Ba3=; 9...b6 10.Nc3 Bc5 11.Bd3 Qc7 12.0-0 d4=) 10.ab5 Ra1 11.Ba1 cb5 12.0-0 Qa5=; A2) 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Be5 b4+=; A3) 9.Nc3 Bc5 (9...Qc7 10.0-0 Bc5 11.Kh1 Rc8 12.Qe1 Be7=; 9...Qe8 10.Ne5 c5 11.0-0 d4 12.Na2 ab5=; 9...Ne4 10.0-0 f6 11.Ne4 de4 12.Nd4 ab5=; 9...ab5 10.ab5 Ra5 11.Ne5 Ra1 12.Qa1 cb5=) 10.0-0 Qc7 11.Kh1 Rc8 12.Ne5 d4=; B) 8...Ne4 9.0-0 ab5 (9...Nd6 10.Nc3 b6 11.Rf2 Bb7 12.Ne5 c5=; 9...b6 10.Be5 Nd6 11.Nc3 f6 12.Bd6 Bd6=; 9...f6 10.Nc3 b6 11.Bd3 Nc3 12.Bc3 c5=; 9...Qa5 10.Nc3 Bf6 11.Ne5 Qc7 12.Ne4 de4=; 9...Bb4 10.d3 Nd6 11.c3 Ba5 12.Nd4 Bb6=) 10.ab5 Ra1 11.Ba1 cb5 12.Be5 Nc6=; C) 8...ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7 12.Be2 Nc6=.

7.Nf3 c5 8.Be2 a5 9.0-0 b6 10.d3 Bb7 11.Qe1 Nfd7 12.Qg3 Bf6 13.Ne5 Be5 14.fe5 Qe7 15.Nd2 Re8 16.Nf3 Nf8 17.Ng5 Nbd7 18.Rf7 Qf7 19.Nf7 Kf7 20.Rf1 Kg8 21.Qf4 Re7 22.Qg5 Rf7 23.Rf7 Kf7 24.Bh5 g6 25.Bg4 h5 26.Bh3 Re8 27.Qf4 Kg7 28.g4 hg4 29.Bg4 Nh7 30.Bc1 Ndf8 31.e4 de4 32.de4 Rd8 33.Qh6 Kg8 34.Bg5 Rd7 35.Bf6 Be4 36.Qf4 Bf5 37.Bf5 ef5 38.Qf3 Nf6 39.ef6 Kf7 40.Qc6 Rd1 41.Kf2 Rd2 42.Kg3 Rc2 43.Qb6 Rc3 44.Kg2 Rc2 45.Kg1 Rc1 46.Kf2 Rc2 47.Ke1 Rc1 48.Kd2 Rc4 49.Kd3 Rd4 50.Kc3 Ra4 51.Qc5 Ne6 52.Qe5 Rb4 53.Qd5 Kf6 54.b6 Rb6 55.Qa5 Rc6 56.Kd3 Rd6 57.Ke3 Rc6 58.Qa4 Rc3 59.Kf2 Rd3 60.Qc4 Rd4 61.Qc3 g5 62.h3 f4 63.Kf3 Kf5 64.Qa5 Kf6 65.Kg4 Rd3 66.Qf5 Ke7 67.Qd3 Kf6 68.Qf5 Ke7 69.h4 gh4 70.Kh4 Kd6 71.Qe4 Ke7 72.Kg4 Kf6 73.Qc6 Ke5 74.Kh3 Kf6 75.Kh2 Ke5 76.Qd7 Kf6 77.Kg2 Ke5 78.Kf2 Kf6 79.Qd6 1-0. pacal56 (2255) - mecker (2160), Rated Blitz game, lichess.org, 2014.

7.Nf3 Bd7 8.Be2 a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 c5 (11...Qb6!?=) 12.0-0 Qb6 13.Na4 Qa5 14.c4 dc4 15.Nc3 (worse is 15.Bc4 Bb5 16.Bb5 Qb5 17.Bf6 Bf6-/+) 15...Qa1 16.Ra1 Nd5 17.Ra7 Nc3 (better is 17...Bc8!?+/-) 18.Bc3+- (worse is 18.dc3 Bb5 19.Rb7 Bd7+/-) 18...Bc8 19.Ne5 (19.Bc4?! Nd7+/-) 19...f6 20.Nc4 Nd7 21.Bf3 Re8 (21...b6+-) 22.Bb7 Bb7 23.Rb7 Nf8 24.g4 Ng6 25.b6 Bf8 26.Kf2 Ne7 27.e4 Nc6 28.Rc7 Nd4 (28...Nb4+-) 29.b7 Rb8 30.Na5 Nb5 31.Rc8 Nc3 (31...Rb7 32.Nb7 Kf7+-) 32.Rb8 Ne4 33.Ke3 (33.Ke3 Nd6 34.Rf8 Kf8 35.b8Q Kf7 36.Qd6+-) 1–0. Trkn – gpuretic (1625), ICC, 2004.

7.Nf3 Nbd7 8.c4 cb5 9.ab5 Nb6 10.Na3 Ne4 11.Be2 Bh4 12.g3 Bf6 13.Ne5 Nd7 14.0-0 Ne5 (14...Be5!? 15.fe5 Qg5=) 15.fe5+= Be7 16.d3 Nc5 17.Qc2 b6 18.Bf3 Bb7 19.Rad1 (19.d4 Ne4=) 19...Bg5 (19...dc4 20.Bb7 Nb7 21.Nc4=) 20.Qf2 (20.Bd4 a6+=) 20...Qd7 (20...dc4 21.Bb7 (worse is 21.dc4 Qc7+=) 21...Nb7 22.Nc4+= (worse is 22.dc4 Qc7+=)) 21.Nc2 (21.d4 Ne4 22.Be4 de4=) 21...a6 22.ba6 Ra6 23.Nb4 (23.cd5 Bd5 24.Bd5 Qd5 25.Nb4 Nd3 26.Nd3+- (26.Nd5 Nf2 27.Rf2 ed5-/+; 26.Na6?! Nf2 27.Rd5 Nh3 28.Kg2 ed5+/-; 26.Rd3?! Qb5 27.Bc3 Ra4+-)) 23...Ra4+= 24.Bc3 Ra3 25.Bd4 Ra4 (25...dc4 26.dc4 Qc7 27.Ra1+=) 26.Nc2 Ra2 27.Bc5 bc5 28.Ra1 Rfa8 (28...Ra1 29.Ra1 dc4 30.dc4 Bf3 31.Qf3–+) 29.Ra2+= Ra2 30.Rb1 Be3 (better is 30...f6!? 31.ef6 Bf6+=) 31.Qe3+= Rc2 32.Qc5 g6 (32...f6 33.Qa7 Bc6 34.Qd7 Bd7 35.cd5 fe5 36.d6+/-) 33.Qb4 (33.Qa7!? Bc8 34.Qd7 Bd7 35.Rb8 Kg7 36.Rd8+/-) 33...Ba6 34.Bd1 Qa7 35.Kh1 Rf2 36.Qb8 Qb8 37.Rb8 Kg7 38.Bb3 dc4 39.Bc4 Bc4 40.dc4 Rc2 41.Rc8 g5 42.h3 Kg6 43.g4 f6 44.ef6 (44.Rc6 Kf7 45.Rc7 Kg6=) 44...Kf6+= ½–½. Kucharkowski,Jens – Porschberg, Freital, 1988.

7.Nf3 Nbd7 8.Be2 c5=.

7.Nf3 Nbd7 8.Be2 Ne4 9.0-0 f6 10.d3 Nd6 11.Nbd2 (11.Nd4 Nb8=) 11...Qe8 (11...Nf5 12.Kf2=+) 12.d4 Nb6 13.bc6 (13.a5 Nbc4 14.Nc4 Nc4 15.Bc4 dc4 16.bc6 Qc6=) 13...bc6 (13...Qc6!? 14.a5 Na4=+) 14.a5= Nd7 15.Bd3 c5 16.c3 (16.c4 f5=) 16...Rb8 17.Ba3 c4 18.Bc2 f5 19.Bd6 Bd6 20.Ne5 Ne5 21.fe5 Be7 22.g4 (22.Ba4 Bd7=+) 22...Qg6-/+ 23.h3 h5 24.Rf2 hg4 25.Rg2? (25.hg4 Qg5-/+) 25...g3?? (better 25...Qh6 26.Qe2 Rb2-+) 26.Nf1 Bh4 (26...Qh6 27.Rg3 Rb5 28.Qf3-/+) 27.Qf3 Qh6 28.Ng3 Bd7 (28...Bg5 29.Nf1=+) 29.Kh2 (29.Nh5 Rf7=) 29...Kh8 30.Rag1 Be8 31.Ne2 (31.Rf1 a6-/+) 31...g6 (better 31...Rb2 32.Bd1 Bh5-/+) 32.Nf4? (better 32.Qf4 g5 33.Rg5 Bg5 34.Rg5-/+) 32...g5-+ 33.Ne2 Bh5 34.Qf1 Rg8?? (better 34...Bg4!-+) 35.Bd1 (35.Ng3 g4 36.Nh5 Qh5=+) 35...g4 (35...Bg4 36.Rg4 fg4 37.Rg4-+) 36.Nf4 g3 (36...Be8 37.Kh1-/+) 37.Kh1= Bd1 38.Qd1 Rg5 39.Qf3 Rbg8 40.Ne2 Kh7 (40...R5g7 41.Ng3 a6 42.Kh2+=) 41.Nf4 (41.Ng3 a6 42.Ne2+=) 41...Rg4 (41...Rb8 42.Ne2=) 42.Re2?? (better 42.Ne6 Bd8 43.Qf5 Kh8 44.Nf4 Ba5 45.Qf6 Qf6 46.ef6+-) 42...R4g7 (42...Bd8 43.Kg2 Rh4 44.Kf1 Ba5 45.Ra2 Bc3 46.Ra7 Kh8 47.Rg3 Rf4 48.Rg8 Kg8 49.ef4 (49.Qf4?! Qh3 50.Kf2 Kf8+=) 49...Bd4 50.Qg3 Kf8 51.Ra8 Ke7 52.Kg2 Be5 53.fe5 Qd2 54.Qf2 Qf2 55.Kf2+-) 43.Kg2 (43.a6 Bg5 44.Nh5 Kg6 45.Ng3 Kf7=) 43...Bg5 (43...Rb7 44.Nd5 ed5 45.Qd5=+) 44.Rb1 Bf4 45.ef4 Qh4 46.Re3 (46.Reb2 Kg6+/-) 46...Rg6 47.Rf1 (47.Rb7 Kh8 48.Re1= (48.Ra7 Rh6 49.Kg1 Qh3-+)) 47...Rh6 48.Rh1 Rg7 49.Re2 (49.a6 Rg8=+) 49...Rhg6 (49...Rg4 50.Rb2 Rf4 51.Qe3-/+ (51.Qg3?? Rg4 52.Rb7 Kg6 53.hg4 Qh1 54.Kf2 Rh2 55.Qh2 Qh2 56.Ke1 f4-+)) 50.Re3 (50.Rb2 Qd8 51.Ra1 Rh6=) 50...Qh6 (50...Rb7 51.Re2-/+) 51.Re2 (51.Ree1 Rf7=) 51...Qh4 52.Qe3 (better 52.Re3=) 52...Rg4?? (better 52...Rb7=+) 53.Qf3 (better 53.hg4 Qh1 54.Kh1 Rg4 55.Rg2 Rh4 56.Kg1+-) 53...Rf4-+ 54.Re3?? (54.Qe3 Rf2 55.Rf2 gf2 56.Kf1-+) 54...Rf3 55.Rf3 f4 (55...Qe4 56.Ra1 Qe2 57.Kg1 Qh2 58.Kf1 g2 59.Ke1 g1Q 60.Rf1 Qe3 61.Kd1 Qhe2) 56.Rg3 (56.Rb1 Qh5 57.Rb2 Qf5-+) 56...Qh5 (56...Qg3 57.Kf1 Qf3 58.Ke1 Rg2 59.Rf1 Qe2) 57.Rg7-+ Kg7 58.Kf2 Qh4 59.Kf1 Qg3 (better 59...Qh7 60.Rg1 Kf8-+) 60.Rg1= f3?? (better 60...Qg1! 61.Kg1 Kg6=) 61.Rg3+- Kh6 62.Rf3 Kh5 63.Rf4 Kg5 White now must not overlook the idea a6 64.Rf7 Kh5 65.Rf6 Kg5 66.Re6 (66.Re6 Kf4 67.Rf6 Ke3 68.e6 Ke4 69.e7 Ke3 70.e8Q Kd2 71.Qe2 Kc3 72.Rf3 Kb4 73.Qb2 Ka5 74.Ra3) 1-0. opperwezen (2780) - penguingim1 (2605), lichess.org, 2017.

6.Be2 Nbd7 7.Nf3=.

6.Be2 Bg7 7.Nf3 0-0 8.0-0 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Nc3 cb5 13.Nb5 Nc6 (13...Qd5 14.Qa4=) 14.Bc4+= Bd7 15.Bc3 Nd5 16.Bg7 Kg7 17.Bd5 ed5 18.Qb3 Be6 19.Nbd4 Nd4 20.Nd4 (20.ed4?! Qc7=) 20...Qd7 21.f4 Rb8 22.Kf2 (22.f5 Bf5 23.Qc3 Kg8 24.Nf5 gf5+=) 22...b5 23.Qb4 Qb7 (23...Kg8 24.Rb1+- (24.Ne6?! Qe6 25.Rc1 Qf6=)) 24.Qd6 b4?? (better 24...Bg4+-) 25.Qe5+- (25.Ne6?! fe6 26.Rc1 Rc8 27.Rc8 Qc8 28.Qb4 Kf7+-) 25...Kf8 (25...Kg8 26.Ne6 fe6 27.Rc1+- (27.Qe6?! Qf7 28.Qe5 Rc8+-)) 26.Rc1 Kg8 27.Ne6 fe6 28.Rc7 (28.Rc7 Qc7 29.Qc7+-; 28.Qe6?! Qf7 29.Qe5 Re8+-) 1–0. pcmvr – mbarker, net–chess.com, 2018.

6.Nf3+= Nbd7 7.Be2 Bg7 8.Ba3 (8.0-0 0-0=) 8...c5 (8...Ne4 9.c3=) 9.0-0 b6 (9...Ne4 10.d4=) 10.d4 0-0 11.Nbd2 Re8 12.Rc1 Bb7 13.c4 Rc8 14.Nb3 (14.Bb2 cd4 15.Bd4 e5=) 14...Ne4 15.Nfd2 Nd2 16.Qd2 dc4 17.Bc4 (worse is 17.Rc4 Bd5 18.Rc3 Qg5-/+) 17...Qg5 Threatening mate... how? 18.f4 Qd8 (18...Qg4 19.dc5 Nc5 20.Nc5 bc5 21.Rfd1=) 19.dc5 Nc5 (worse is 19...bc5 20.Rfd1 Nb6 21.Nc5 (worse is 21.Bc5 Qd2 22.Rd2 Nc4 23.Rc4 Bd5+=) 21...Nc4 22.Qd8 Red8 23.Rd8 Rd8 24.Nb7+-) 20.Qd8 Red8 (20...Rcd8? 21.Nc5 bc5 22.Bc5+-) 21.Nc5 bc5 22.Rfd1 Bf8 23.Rd8 (23.a5 Rd1 24.Rd1 h6+=) 23...Rd8= 24.Bf1 Attacks the isolani on c5 24...Rc8 25.Kf2 Bd5 Black prepares the advance c4 (25...h6 26.Bd3=) 26.Be2 (26.a5 h5=) 26...f5= 27.a5 c4 28.Bf8 Kf8 ½–½. Krueger,Bernhard – Kohlhepp,Thomas, Baunatal op 1st, 1995.

6.Nc3 Bb4 7.Be2 Qd6 (7...Qc7 8.Nh3 Nbd7 9.0-0 Nc5 10.f4 Bd7 11.Ng5) 8.Nf3 Nbd7 9.0-0 0-0 10.Ng5 (10.Rb1 c5 11.Ng5) 10...h4 (10...Nb6 11.bc6) 11.f4 Nc5.

6.Nc3 Bb4 7.Nf3 Bc3 (7...Nbd7!?= 8.Be2 0-0 9.0-0 Qc7 10.Ng5 Nb6 11.d3 h4; 7...Qd6 8.Be2 Nbd7 (8...0-0 9.Rb1 a6 10.Ng5 ab5 11.ab5) 9.0-0 0-0 10.Rb1 c5 11.Ng5 Ne5; 7...0-0 8.Be2 Nbd7 9.0-0 Qb6 (9...Qc7 10.Ng5 Nb6 11.d3) 10.Rb1 Rb8 11.Ng5+= (11.h3 Qc7); 7...Qc7 8.Be2 Nbd7 9.0-0 0-0 10.Ng5 Nb6 11.d3 h4) 8.Bc3+= cb5 (8...Nbd7 9.bc6 bc6 10.Rb1 0-0 (10...a5 11.Be2) 11.Ng5 Qe7) 9.ab5 Qb6 (9...Nbd7 10.Be2+/- Ne4 11.Bb4 Qf6) 10.Bd3 (10.Be2 Nbd7 11.0-0 h4) 10...h4 (10...Nbd7 11.0-0 Nc5) 11.Bd4 (11.Ng5+-) 11...Qd6 12.Qc1 (12.Ba7 b6 13.Bb8 Rb8+/-) 12...Ne4 (12...h3!?+/-) 13.Bg7 (worse is 13.Ra7 Ra7 14.Ba7 Nd7+/-) 13...Rh5 14.Ra4 Bd7 15.Qb2 a6 16.Be5 Qe7 17.Be4 de4 18.Re4 ab5 (18...Bb5 19.Rg4 Qf8 20.Bb8 Rb8 21.Rh4 Rh4 22.Nh4+-) 19.Rg4 Rh8 (19...Qf8+-) 20.Bh8 (20.Bh8 Qf8 21.Rh4+-) 1–0. Anonymous – Anonymous, internet, 2011.

6.Nc3 Bd6 A) 7.Be2 A1) 7...Nbd7 8.Nf3 0-0 (8...Qc7 9.Rb1 0-0 10.0-0 Nb6 11.h3) 9.0-0 (9.Ng5 Ng4 10.f4 e5 11.Bg4) 9...Qc7 10.h3 Nc5 11.Ng5 h4; A2) 7...0-0 8.Nh3 (8.Nf3 Nbd7 9.Ng5 Ne5 10.f4 Nc4 11.Bc4) 8...Nbd7 (8...e5 9.Ng5 Ng4 10.h4 f6 11.Nh3) 9.0-0 (9.Ng5 Ne5 10.Bh5 Nc4 11.Rb1) 9...Qc7 10.f4 e5 11.bc6 bc6; B) 7.Nf3 e5 (7...0-0 8.Be2 Nbd7 9.0-0 Qc7 10.h3 Nc5 11.Ng5) 8.Be2 0-0 9.h3 (9.0-0 e4 10.Nd4 h4 11.h3) 9...Bf5 10.g4 (10.a5 a6 11.g4) 10...Bg6 11.Rg1 Nbd7.

6.Bd3 A) 6...Bd6 7.Nf3 A1) 7...Nbd7 8.Ba3 (8.Nc3 Nc5 9.0-0 0-0 10.Ba3 Qc7 11.bc6) 8...Nc5 9.Bc5 (9.Nc3 Qc7 10.0-0 0-0 11.bc6) 9...Bc5 10.Nc3 Qc7 11.Ng5 e5; A2) 7...0-0 8.0-0 Nbd7 9.Ba3 Nc5 10.Nc3 Qc7 11.bc6= (11.Bc5 Bc5); B) 6...Nbd7 B1) 7.Nc3 e5 8.Nh3 Nc5 9.Ng5 (9.bc6 bc6 10.Ng5 Rb8 11.Rb1) 9...Nfd7 10.f4 Nd3 11.cd3 Nc5; B2) 7.Na3 B21) 7...Nc5 8.Nf3 Bd6 9.0-0 0-0 10.Qe2 Na4 (10...Rb8 11.Bd4) 11.Bf6= (11.Be5 Nc5); B22) 7...Qc7 8.f4 Nc5 (8...e5 9.fe5 Ne5 10.Nf3 Nf3 11.gf3) 9.Nf3 Bd6 (9...h4 10.Be5 Bd6 11.Qe2) 10.Be5 h4 11.Qe2= (11.bc6 bc6); B23) 7...Bd6 8.Nf3 Nc5 (8...0-0 9.0-0 e5 10.Be2 Ne4 11.c4) 9.0-0 0-0 10.Qe2 Na4 11.Bf6= (11.Be5 Nc5); B3) 7.Nf3 B31) 7...Nc5 8.Be5 Bd6 (8...Ng4 9.bc6 bc6 10.0-0 h4 11.h3) 9.Nc3 0-0 10.bc6 bc6 11.Rb1 Nd3; B32) 7...Bd6 8.Ba3 (8.Nc3 Nc5 9.0-0 Qc7 10.Ba3 0-0 11.bc6) 8...Nc5 9.Bc5 Bc5 10.Nc3 0-0 (10...Qc7 11.Ng5) 11.bc6= (11.0-0 Bd6).

6.Be2 cb5 7.ab5 A) 7...Bd6 8.Nc3 Nbd7 9.Nf3 (9.h3 Nc5 10.Nf3 0-0 11.0-0) 9...0-0 (9...Qc7 10.Ng5 Bh2 11.Ra2) 10.Ng5 Nb6 11.0-0 Bd7; B) 7...Qc7 8.Nf3 (8.Nc3 Bd6 9.Nf3 Nbd7 10.h3 0-0 11.0-0) 8...Nbd7 9.Nc3 Bd6 10.h4 (10.h3 0-0 11.0-0) 10...Ng4 (10...0-0 11.Ng5) 11.b6 Qb6; C) 7...Nbd7 8.Nf3 Bd6 9.Nc3 Nb6 (9...Qc7 10.Ng5 Bh2 11.Ra2) 10.0-0 0-0 11.h3+= (11.Ng5 Bd7).

6.Be2 Qc7 A) 7.Nf3 A1) 7...Nbd7 8.Nc3 (8.h3 Bd6 9.Nc3 0-0 10.0-0 Nc5 11.Ng5) 8...Bd6 9.0-0 (9.h3 0-0 10.0-0 Nc5 11.Ng5) 9...0-0 10.Rb1 Nb6 11.d3= (11.bc6 bc6); A2) 7...Bd6 8.0-0 (8.Bf6 gf6 9.Nc3 Nd7 10.g3 Rg8 11.0-0) 8...Nbd7 9.Nc3 0-0 10.Rb1 Nb6 11.d3= (11.bc6 bc6); B) 7.h3 B1) 7...Bd6 8.Nf3 Nbd7 9.Nc3 a6 (9...0-0 10.0-0 Nc5 11.Ng5) 10.bc6 (10.Ng5 ab5 11.ab5) 10...bc6 11.Ba3 Ba3; B2) 7...Bb4 8.Nf3 (8.Nc3 Nbd7 9.Nf3 0-0 10.0-0 Bd6 11.Ng5) 8...Nbd7 (8...0-0 9.Bf6 gf6 10.0-0 Nd7 11.Nc3) 9.Nc3 0-0 (9...Nc5 10.0-0 0-0 11.Na2) 10.0-0 Nc5 11.Na2 Ba5; B3) 7...Nbd7 8.Nf3 Bd6 9.Nc3 (9.0-0 Nc5 10.Nc3 0-0 11.Ng5) 9...0-0 10.0-0 Nc5 11.Ng5 h4; C) 7.h4 C1) 7...Bd6 8.Nc3 (8.Nf3 Nbd7 9.Nc3 0-0 10.Ng5 g6 11.0-0) 8...Nbd7 9.Nh3 (9.Nf3 0-0 10.Ng5 g6 11.0-0) 9...a6 (9...0-0 10.Ng5 g6 11.0-0) 10.Ng5 Ne5 (10...ab5 11.ab5) 11.f4= (11.ba6 ba6); C2) 7...Nbd7 8.Nc3 (8.Nf3 Bd6 9.Nc3 Nc5 10.Rb1 Rb8 11.Ba3) 8...Bd6 9.Nf3 Nc5 10.Ng5 e5 11.bc6 bc6; C3) 7...Bb4 8.Nc3 Nbd7 9.Nh3 Ne5 10.Nf4 0-0 11.0-0 Bd7; C4) 7...c5 8.Nf3 Nbd7 9.Nc3 Bd6 10.a5 0-0 11.Ng5= (11.Rh3 c4); D) 7.Nc3 Nbd7 8.Nf3 (8.h3 Bd6 9.Nf3 0-0 10.0-0 Nc5 11.Ng5) 8...Bd6 9.0-0 0-0 10.Rb1 (10.h3 Nc5 11.Ng5) 10...Nb6 11.d3= (11.bc6 bc6).

6.Be2 Bd6 7.Nc3 0-0 8.Nf3 Nbd7 9.0-0 Qc7 10.h3 Nc5 11.Ng5 h4.

6.Be2 Bd6 7.Nf3 A) 7...Nbd7 8.Nc3 0-0 9.0-0 Qc7 (9...Nc5 10.d4 Nce4 11.Ne5) 10.h3 Nc5 11.Ng5 h4; B) 7...Qc7 8.Ng5 Nbd7 9.Nc3 Bh2 10.a5 h4 11.a6; C) 7...0-0 8.Nc3 Nbd7 9.0-0 Qc7 10.h3 Nc5 11.Ng5 h4.

6.Be2 Nbd7 A) 7.Nc3 A1) 7...Qc7 8.Nf3 (8.h3 Bd6 9.Nf3 0-0 10.0-0 Nc5 11.Ng5) 8...Bd6 9.Rb1 (9.Ng5 Bh2 10.a5 h4 11.a6) 9...0-0 10.0-0 Nb6 (10...Rb8 11.h3) 11.g3= (11.bc6 bc6); A2) 7...Bd6 8.Nf3 Qc7 9.Rb1 (9.0-0 0-0 10.h3 a6 11.Ng5) 9...0-0 (9...Rb8 10.h3 Nc5 11.0-0) 10.0-0 (10.h3 Nc5 11.bc6) 10...Nb6 11.g3= (11.bc6 bc6); B) 7.Nh3 Bd6 8.Ng5 Nc5 9.Nc3 e5 10.d4 ed4 11.ed4; C) 7.Nf3 C1) 7...Bd6 8.Nc3 0-0 9.0-0 Qc7 10.h3 Nc5 11.Ng5 h4; C2) 7...Nc5 8.Nc3 (8.0-0 Bd6 9.Nc3 0-0 10.d4 Nce4 11.Ne4) 8...Bd6 9.0-0 0-0 10.Ng5 (10.d4 Nce4 11.Ne4) 10...Qc7 (10...Ng4 11.Bg4) 11.h4 g6; C3) 7...Qc7 8.Nc3 Bd6 9.h4 (9.0-0 0-0 10.h3 Nc5 11.Ng5) 9...Nc5 10.Rb1 Rb8 (10...0-0 11.bc6) 11.0-0= (11.Ba3 Bd7).

6.Nf3 Bd6 A) 7.Nc3 A1) 7...Qc7 8.bc6 (8.Ba3 c5 9.Be2 0-0 10.0-0 Nbd7 11.h3) 8...bc6 9.Ba3 Ba3 10.Ra3 Nbd7 (10...Na6 11.d4) 11.Ng5 Rb8; A2) 7...0-0 8.Be2 Nbd7 9.0-0 Qc7 10.h3 Nc5 11.Ng5; A3) 7...e5 8.Be2 0-0 9.h3 Bf5 10.g4 Bg6 11.Rg1= (11.a5 Re8); B) 7.Be2 B1) 7...0-0 8.Nc3 Nbd7 9.0-0 Qc7 10.Rb1 (10.h3 Nc5 11.Ng5) 10...Nb6 11.d3 Bd7; B2) 7...Nbd7 8.Nc3 Qc7 (8...0-0 9.0-0 Qc7 10.h3 Nc5 11.Ng5) 9.0-0 0-0 10.Rb1 (10.h3 Nc5 11.Ng5) 10...Nb6 11.d3= (11.bc6 bc6).

6.Nf3 Nbd7 A) 7.Nc3 A1) 7...Nc5 8.Be2 Bd6 9.0-0 0-0 (9...h4 10.Ng5 0-0 11.f4) 10.Ng5 h4 (10...Qc7 11.h4) 11.f4 Qc7; A2) 7...Qc7 8.Be2 Bd6 9.h3 0-0 10.0-0 Nc5 11.Ng5; A3) 7...Bd6 8.Be2 0-0 9.0-0 (9.Ng5 Ng4 10.f4 e5 11.Bg4) 9...Nc5 (9...Qc7 10.h3 Nc5 11.Ng5) 10.Ng5 Qc7 11.h4 g6; B) 7.Be2 B1) 7...Qc7 8.Nc3 Bd6 9.Rb1 0-0 (9...Rb8 10.h3 0-0 11.Ng5) 10.0-0 Rb8 (10...Nb6 11.h3) 11.h3 Nc5; B2) 7...Nc5 8.Nc3 Bd6 9.0-0 0-0 10.Ng5 Qc7 (10...Ng4 11.Bg4) 11.h4 g6; B3) 7...Bd6 8.Nc3 (8.0-0 0-0 9.Nc3 Qc7 10.h3 Nc5 11.Ng5) 8...Qc7 (8...0-0 9.0-0 Qc7 10.h3 Nc5 11.Ng5) 9.0-0 (9.h3 0-0 10.0-0 Nc5 11.Ng5) 9...0-0 10.Ba3 (10.h3 Nc5 11.Ng5) 10...Nc5 11.d4= (11.Ng5 Bh2).

6.e3 Bd6 7.Be2 ab5 8.ab5 Ra1 9.Ba1 0-0 10.0-0 Bd7 11.Bd4 cb5 12.Nc3 b4 13.Nb5 Bb5 14.Bb5 Nc6 15.Bb2 Qe7 16.Qa1 e5 17.Bc6 bc6 18.Be5 Be5 19.Qe5 Qe5 20.Ne5 c5 21.Ra1 Rb8 (21...g5!?=) 22.Nc6+/- Re8 23.Ra5 c4 (23...Kf8 24.d4 cd4 25.Nd4+=) 24.Nb4 Rd8 25.Nc6 Re8 26.d3 cd3 27.cd3 Kf8 28.Kf1 Rc8 29.Nd4 Rc1 30.Ke2 Rb1 31.Ra8 Ke7 32.Nf5 Kd7 33.Ra7 Kc6 34.Rf7 g6?? (34...Ng4 35.Ng7 Rb2 36.Ke1 Ra2+-) 35.Nd4 Kd6 36.Rf6 (36.Rf6 Ke7 37.Ra6+-) 1–0. marre (1950) – BogdanP (1975), GameColony.com, 2003.

6.e3 Bd7 7.Ne5 ab5 8.d4? (better is 8.ab5 Ra1 9.Ba1=) 8...ba4–+ 9.Nc3 a3 10.Nd7 Nbd7 11.Bc1 Bb4 12.Bd2 0-0 13.f3 Qb6 14.Be2 e5 (14...e5 15.Na2 Bd2 16.Qd2 ed4 17.Qd4 Qc5–+) 0–1. justenest (1940) – pierred (2785), net–chess.com, 2011.

6.e3 Nbd7 7.Be2 Bd6 8.Nc3 e5 9.0-0 0-0 10.bc6 bc6.

6.e3 g6 7.Ne5 Be7 8.Bd3 0-0 9.h4 Bd6 10.h5 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.Ng4 e5 (13...gh5 14.Bh7 Kh8 15.Nf6 Nf6 16.Qh5+-) 14.hg6 fg6 15.Nh6 Kg7 16.bc6 bc6 17.f4? (better is 17.Be2!?+=) 17...ef4–+ 18.Qg4 Be5 19.Nf5 Kf7 20.Be5 Ne5 21.Nh6 Kg7 22.Qh4? (22.Qg5 Nd3 23.cd3 Nh5 24.Rh5 Qg5 25.Rg5 Kh6–+) 22...Qb6 23.Nf5? (23.Ke2–+) 23...Bf5 24.Qh6 Kg8 25.Bf5 Qb1 26.Ke2 Qb5 27.d3 gf5 28.ef4 (28.Qf4 Qb2 29.Qa4–+) 28...Neg4 29.Qg5 Kf7 0–1. croach (2320) – pierred (2785), net–chess.com, 2011.

5.c4 a6 6.e4 ab5 7.e5 Ne4 8.Qg4 Nc5 (better is 8...Ng5 9.ab5 Ra1 10.Ba1 0-0=) 9.Qg7+- Rf8 10.Qh7 (10.ab5 Ra1 11.Ba1 cb5 12.cb5 h5+-) 10...Ra4 (10...ba4 11.Nf3=) 11.d4 (11.cb5 cb5 12.Nf3 Nc6+/-) 11...Ra1 12.Ba1 Na4 (12...Nb3 13.Bc3 bc4 14.Bc4 Qb6+=) 13.c5 (better is 13.cb5 Qa5 14.Nd2+/-) 13...Qa5= 14.Nd2 Nc5 15.Qb1 (better is 15.Bb2!? Na4 16.Qc2+=) 15...Nb3!-/+ 16.Qb3 (16.Qb3 Qa1 Double attack (16...Qa1 Deflection)) 16...Qa1 17.Ke2 Qd4 18.Ngf3 Qc5 (18...Qd5 19.h4–+) 19.Ne4-/+ Qc4 20.Qc4 bc4 21.Nd6 Bd6 22.ed6 b5 23.Kd2 Na6 24.Kc3 (24.Be2 Nc5 25.Ke3 Nb7–+) 24...Nc5 25.Nd2 Nb7 26.Bc4 bc4 27.Nc4 Rg8 28.g3 Rg5 29.Rd1 Rc5 30.Kb4 Rb5 (30...Rb5 31.Kc3 Nc5–+) 0–1. Baer,Cy (1895) – Fuhr,Michael (1980), RSS7E easy–54, 2007.

5.c4 cb5 6.ab5 b6 7.Nf3 Bb7 8.e3 a6 9.Be2 d6 10.0-0 0-0 11.d3 Nbd7 12.Nbd2 Nc5 13.Bf6 Bf6 14.d4 Nd7 15.Nb3 ab5 16.cb5 Nc5?? (better is 16...Ra1 17.Qa1 Qe7=) 17.Ra8+- (17.dc5?! Ba1 18.c6 Bc6 19.bc6 Bf6+/-) 17...Ba8 18.dc5 bc5 19.Nfd2 Be5 (better is 19...Qb8+-) 20.Nc4 Qg5 21.g3 Qf5 22.f4 Qh3 23.Bf3 d5 24.Ne5 c4 25.Nd4 Qh6 26.Qa4 Bb7 27.Qa7 Bc8 28.b6 f6 29.Nec6 e5 30.Bd5 Kh8 31.Nb5 Qg6 32.Ne7 Qe8 33.Bc4 Bd7 34.b7 Qb8 35.Ra1 Re8 36.Qa8 (36…Bb5 37.Bb5+-; 36.Qb8 Rb8 37.Ra8 g5 38.Rb8 Kg7 39.Rg8 Kh6 40.fg5 fg5 41.Bf7 Be6 42.Nd6 Bf7 43.Nf7 Kh5 44.Rg5) 1–0. hal1958 – CYTO, playchess.de, 2003.

5.c4 d5 6.e3 0-0 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0-0 7.c4).

5.e3 a5 6.Nf3+= d6 7.d4 Bd7 (7...0-0 8.Nc3+=) 8.Bd3 cb5 (8...Qb6 9.Na3+=) 9.ab5+/- Qb6 10.c4 0-0 11.Nc3 h6 12.0-0 Qc7 (12...Bc8 13.h3+/-) 13.e4 e5 (13...Be8!?+/-) 14.de5+- de5 15.Nd5 (15.Rc1 a4+-) 15...Nd5 16.Be5 (16.Be5 Ne3 17.Bc7 Nd1 18.Rfd1+- (18.Rad1?! Rc8 19.Bg3 a4+=)) 1-0. pcmvr - alexp (2580), net-chess.com, 2021.

5.e3 Qb6 6.a5 Qd8 7.Nf3 h6 8.Be2 0-0 9.0-0 cb5 10.Bb5 a6 11.Be2 Bb4 12.Bc3 Nd5 13.Bb4 Nb4 14.Nd4 N8c6 15.Nb3 Nd5 16.d4 Nf6 17.N1d2 d5 18.c3 Qc7 19.Qb1 Re8 20.Rc1 Rb8 21.Qa2 Qd8 22.Rab1 Nd7 23.c4 Ne7 24.cd5 Nd5 25.Nc4 Qe7 26.Qd2 Ra8 27.Bf3 N5f6 28.Nb6 Nb6 29.ab6 Nd7 30.Na5 Nb8 31.Rc7 Qa3 32.Qc3 Qc3 33.Rc3 Nc6 34.Nc6 a5 35.Ne5 Re7 36.Rbc1 Re8 37.Nc4 Rd8 38.Na3 f5 39.Rc7 Rb8 40.Re7 Bd7 41.Rc7 Rbc8 42.Bb7 Kf8 43.Red7 Rd7 44.Bc8 Rc7 45.bc7 Ke7 46.Be6 1–0. Leterrier – de Lavalette, France, 2000.

5.e3 c5 6.f4 a5 7.Nf3 d5 8.Be2 b6 9.0-0 0-0 10.Qe1 h6 11.Na3 Ne4 12.d3 Nd6 13.e4 de4 14.de4 Ne4 15.Rd1 Nd7 16.Ne5+/- Ra7?? 17.Bf3 Nef6 18.Nc6 (18.Nc6 Qc7 19.Ne7 Kh7 20.Nc6+-) 1–0. pcmvr (2795) – nay (2215), net–chess.com, 2007.

5.e3 d6 6.Nf3=.

5.Nf3 0-0 6.e3 a6 (6...d5 7.Nc3=) 7.Be2 (7.Nc3 d5=) 7...ab5 8.ab5 Ra1 9.Ba1 b6 (9...cb5 10.Bb5 d5 11.0-0=) 10.0-0 (10.Nc3 Qc7=) 10...Bb7 (10...cb5 11.Bb5 Nc6 12.Be2=) 11.bc6 (11.Nc3 Qc7=) 11...Nc6 12.c4 d5 13.Nc3 dc4 14.Bc4 Na5 15.Be2 Nd5 (15...Qd6 16.Nb5 Qd5 17.Qb1=) 16.Nd5 Qd5 17.Qb1 Nb3 18.e4 (better 18.Bc3+=) 18...Qd8?? (better 18...Qe4 19.Bd3 Qd5 20.Bh7 Kh8=+) 19.Qb3+- Be4 20.d3 (20.Bb2 Bd5 21.Qb5 Qd6+-) 20...Bf3 (20...Bd5 21.Qb5+-) 21.Bf3 (21.gf3?! Bd6 22.Qc4 Qg5 23.Qg4 Qh6+-) 21...Bf6 22.Bf6 Qf6 (22...gf6 23.Ra1+-) 23.Qb6 Rd8 24.h3 (24.Rc1 g6 25.Be4 Qd4+-) 24...h6 (24...Rd3 25.Rb1+-) 25.Qe3 Qd4 26.Rd1 Qe3 (26...Kf8 27.Be2+-) 27.fe3 f6 28.Rd2 (28.d4 Kf7+-) 28...Kf7 29.Kf2 e5 30.Ke2 (30.g4 Rd7+-) 30...Ke6 31.d4 f5 (31...Rb8 32.Ra2 Rb6 33.d5 Kd6 34.Kd3 Rb3 35.Kd2+-) 32.d5 Kd6 33.e4 f4 (33...g6 34.Ra2 Ke7 35.Kd3+-) 34.Rc2 g5 (34...Ke7+-) 35.Rc6 Ke7 36.Bg4 (36.Rh6 Kd7+-) 36...Rd6 (36...Rh8 37.Re6 Kd8 38.Re5+-) 37.Rd6 Kd6 38.Kd3 Kc5 39.Kc3 Kd6 (39...Kb5 40.Kb3 Kc5+-) 40.Kc4 f3 41.gf3 h5 42.Bh5 g4 (42...Kd7 43.Kc5 g4 44.Bg4 Kc7 45.h4 Kd8 46.d6 Ke8 47.h5 Kf7 48.Kc4 Kg8 49.d7 Kh7 50.d8Q Kg7 51.Qe7 Kh6 52.Qf6 Kh7 53.h6 Kg8 54.Qg7) 43.Bg4 Ke7 44.h4 Kd6 (44...Kf7 45.d6 Ke8 46.h5 Kf7 47.h6 Kf6 48.d7 Kg6 49.d8Q Kh6 50.Qf6 Kh7 51.Bf5 Kg8 52.Qe7 Kh8 53.Qh7) 45.h5 Ke7 46.h6 Kf8 47.h7 Kg7 48.d6 Kh7 (48...Kg6 49.h8Q Kg5 50.d7 Kf4 51.Qh4 Ke3 52.d8Q Ke2 53.Qd3) 49.d7 Kg7 (49...Kg8 50.d8Q Kg7 51.Qe7 Kh6 52.Bf5 Kh5 53.Qg7 Kh4 54.Qg4) 50.d8Q Kh6 (50...Kf7 51.Bf5 Kg7 52.Qe7 Kg8 53.Kd5 Kh8 54.Qh7) 51.Qd6 (51.Qf6 Kh7 52.Bf5 Kg8 53.Qe7 Kh8 54.Qh7) 51...Kg5 (51...Kg7 52.Qe5 Kf7 53.Be6 Kg6 54.f4 Kh6 55.Bf5 Kh5 56.Qh8) 52.Qe5 Kh4 (52...Kg6 53.Qe7 Kh6 54.f4 Kg6 55.Qf8 Kh7 56.Bf5) 53.Qh2 (53.Bf5 Kg5 54.f4 Kh4 55.Qc3 Kh5 56.Qh3) 53...Kg5 54.Qg3 (54.Qd6 Kh4 55.Bf5 Kg5 56.f4 Kh4 57.Qd3 Kh5 58.Qh3) 54...Kf6 (54...Kg6 55.Be6 Kf6 56.Kd5 Ke7 57.Qg7 Ke8 58.f4 Kd8 59.Qd7) 55.e5 Kg7 (55...Ke7 56.Be6! Kf8 57.Qg8 Ke7 58.Qf7 Kd8 59.Qd7) 56.Kd5 Kf8 (56...Kg6 57.Bh5! Kh5 58.Qg7 Kh4 59.Qg4) 57.e6 (57.Be6 Ke7 58.Qg7 Ke8 59.f4 Kd8 60.Qd7) 57...Ke8 (57...Kg8 58.e7 Kh8 59.Bh5 Kh7 60.e8Q Kh6 61.Qgg6) 58.Qc7 Kf8 59.Qf7 1-0. Lance5500 (2505) - parrotz (1655), lichess.org, 2016.

5.Nf3 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 Qa5 (8...0-0 9.Be2=) 9.Bc3 Qb6 10.Bd3 (10.Be2 d6=) 10...cb5 (10...d6 11.0-0=) 11.0-0 (11.Bd4 Qd8=) 11...0-0 (11...Nc6!?=) 12.Ng5+= Nc6? (better is 12...g6+=) 13.Bf6+- Bf6 14.Nh7 (14.Bh7 Kh8 15.Ne4 Kh7 16.Nf6 gf6 17.Qh5 Kg7 18.Qg4 Kh6 19.Qh4 Kg7 20.Qg4 Kh8 21.Qh4 Kg8 22.Qg4 Kh7 23.Qh5 Kg7 24.Qg4=) 14...Ne5 (better is 14...Re8 15.Nf6 gf6+-) 15.f4 Nd3 (15...Ng6 16.Bg6 fg6 17.Nf8 Kf8+-) 16.Nf6 gf6 17.Qg4 (17.cd3?! Rd8+/-) 17...Kh7 (17...Kh8 18.Rf3 Nf4 19.Qf4 Qc5 20.Qf6 Kg8 21.Rg3 Qg5 22.Rg5 Kh7 23.Qg7) 18.Rf3 (18.Rf3 Nf4 19.Qf4 Qc5 20.Rh3 Kg7 21.Qh6 Kg8 22.Qh7; 18.cd3?! Rg8 19.Qh4 Kg7+-) 1–0. DEFFM – GuestLLZG, freechess.org, 2018.

6.c4 cb5 7.ab5 a6 (7...d5 8.d4=) 8.Nf3=. GuestTKCW – GuestZZDL, freechess.org, 2017.

6.c4 cb5 7.cb5 a6 (7...d6 8.Nc3=+) 8.Nf3= ab5 (8...d6 9.Be2=) 9.Bb5 Nd5 (9...d5 10.0-0=) 10.Nc3 (10.0-0 d6=) 10...Nc3 (10...Nc7 11.Bd3=) 11.Bc3 d5 (11...Nc6 12.0-0=) 12.0-0 Bd7 (12...Nc6 13.Qb3=) 13.Qb3 (13.d3 Bd6=) 13...Bb5 (13...Na6 14.Qb2 f6 15.Rfc1=) 14.ab5+= Ra1 15.Ra1 b6 (15...Bd6 16.Bd4+=) 16.Ra7 f6 (16...Qd6 17.Bd4+=) 17.d4 (17.Nd4 Qd6+=) 17...h6 (17...Qd6 18.Bb2 Rc8 19.h3+=) 18.Nd2 (18.Bb4 Rf7+=) 18...Nd7 (18...Qd6!?+=) 19.e4+/- Nb8 20.Qa4 Qc8 21.Bb2 Bd6+= 22.g3 Rf7 23.Rf7 ½–½. Van Esbroeck,Dirk – Reichel,Stefan, corr CiF, 1993.

6.c4 d5 7.cd5 Qd5 8.Nc3 Qd8 9.Be2 cb5 10.ab5 b6 11.Bf3 Nd5 12.Nd5 ed5 13.Qb3! Bb7 14.Ne2 Qd6 15.Ba3 Qe5 16.d4 Qf6 17.Be7 Qe7 18.Bd5 a6 19.0-0 Rd8 20.Bb7 Qb7 21.Rfb1 ab5 22.Ra8 Qa8 23.Qb5 Nd7 24.Nc3 Nf6 25.Qb6 Rc8 26.Qb7!! g6 27.Qa8 Ra8 28.f3 Ra3 29.Nd1 Nd5 30.Kf2 Ra2 31.Rb2 Ra1 32.Ke2 Kg7 33.g3! h5 34.e4! Ne7 35.d5 Kf6 36.Ne3 Ke5 37.Nc4 Kd4 38.d6! Nc6 39.d7! Kc4 40.Rc2 Kb5 41.Rc6!! Ra2 42.Kd3 Ra3 43.Kc2 1–0. mtr – PulveRIZER, internet, 2001.

6.c4 d5 7.Nf3=+.

6.d4 Bb4 7.c3 Ba5 8.Nd2 d5 9.c4 Ne4=+ 10.cd5?? ed5 11.f3?? Nc3 12.Bc3 Bc3-/+ 13.Rc1 Ba5 14.Bd3 Qe7 15.Qb3?? Qb4 16.Qb4= Bb4 17.Ke2 Bd7 18.e4 a6 19.e5 Bd2 20.Kd2= ab5 21.ab5 Ra2 22.Rc2 Rc2 23.Kc2 Rc8 24.bc6 Rc6 25.Kd2+= Rb6 26.Ne2+/- Bb5?? 27.Rb1+- Bd3 28.Rb6 Ba6 29.Rd6 Nc6 30.Rd5 Kf8 31.Rc5 Be2 32.Ke2 Nd4 33.Kf2 Ne6 34.Rc8 Ke7 35.Ke3 Kd7 36.Rh8 h6 37.f4 f5 38.ef6! gf6 39.Rh6 Ke7 40.Rh7 Kd6 41.Rb7 Kc6 42.Rf7 1–0. Feiertag,Manfred (1770) – Pieleck,Rudi (1770), RSX24E – Chaturanga–1, 2008.

6.Be2 d6 7.Nf3 e5 8.d4 e4 9.Nfd2 Re8 10.c4 d5 11.Nc3 Bb4 12.0-0 Nbd7 13.Qb3 Ba5 14.bc6 bc6 15.Qc2 Ba6 16.Rfe1 Rb8 17.Rab1 Nf8 (17...Nb6!?=) 18.Ba3+= Ne6 (18...Rb1!? 19.Rb1 N8d7=) 19.Rb8 Qb8 20.Rb1 (20.cd5 Be2 21.de6 Bd3 22.ef7 Kf7 23.Qa2 Kg6+/-) 20...Qc8 21.Bb4 (21.Bd6 Nc7+=) 21...Bc7 22.Qb2 Bb8 23.Ba3 h5 (23...Qc7 24.g3=) 24.c5 (24.Qb3!? Qc7 25.Nf1 dc4 26.Qc2+=) 24...Be2= 25.Ne2 Ng5 26.Qc1 (26.Qb7 Qg4 27.Kf1 Bh2 28.Qc6 Qf5=) 26...Qg4 27.Nc3 Bh2 (better is 27...Nf3 28.Nf3 ef3+=) 28.Kf1?? (better is 28.Kh2 Qh4 29.Kg1+/-) 28...Qf5 29.Ke1? (better is 29.Rb7-/+) 29...Ng4–+ 30.Kd1 Qf2 31.Kc2 Ne3 32.Kb3 Rb8 33.Ka2 Nc4 34.Rb8 Bb8 35.Bb2 Nd2 36.Nd1 Qe2 37.Nc3 Qc4 (37...Qc4 38.Ka1 Nb3 39.Kb1 Nc1 40.Bc1 Qd4–+) 0–1. Petrochenko,Maria – Malinicheva,Lidia (2020), St Petersburg Rudenko Memorial (Women), 2009.

6.Ne2 d5=+ 7.Ng3 Nbd7 8.c4 (8.Be2 h6=) 8...cb5 9.ab5 b6 (9...dc4 10.Bc4 Nb6 11.Be2=+) 10.Be2 Bb7 11.0-0 Ne4 (11...a5 12.ba6 Ba6 13.cd5 Be2 14.Ra8 Qa8 15.Qe2 Qd5 16.Nc3=) 12.Ne4 de4 13.d3 Nf6 (13...ed3 14.Bd3 Bf6 15.Bd4=) 14.Nd2 (14.Qc2 Qc7+=) 14...ed3= 15.Bd3?? (better 15.Bf3 Bf3 16.Nf3=) 15...Qd3–+ 16.Bd4 Qg6 17.Nf3 Rad8 (17...Rfc8 18.Qe2–+) 18.Qe2 (18.Ra7 Rd7 19.Nh4 Qh6–+) 18...Bc5 (18...Rd7 19.Rfd1–+) 19.Be5?! (19.Bc5 bc5 20.Ra7 Bf3 21.Qf3 Qc2–+) 19...Ne4 (19...Rd7!? 20.Rfd1–+) 20.Ra7 Ba8 (20...Rd2 21.Nh4 (21.Nd2?? Nc3 22.Qg4 Qg4 23.Rb7 Ne2 24.Kh1 Rd8–+) 21...Re2 22.Ng6 hg6 23.Rb7 Nf2 24.Bd4–+) 21.Rfa1 (21.Qc2 Rc8–+) 21...f6 (21...Nd2 22.Ne1 Nb3 23.Rd1–+) 22.Bb2 (22.Bd4 Nd2 23.Ne1 Nb3 24.Bc5 Nc5–+ (worse 24...bc5 25.Rd1 Qe4 26.h3–+)) 22...e5 (better 22...Nd2 23.Ne1 Nb3 24.R1a2–+) 23.Ra8? (23.Nh4 Qg5 24.Nf3–+) 23...Ra8 24.Ra8 Ra8 25.Qd1 Ng5 (better 25...Kh8–+) 26.Qd5+- Nf7 (26...Ne6 27.Qa8 Kf7 28.Qb7 Kf8 29.Ne1+-) 27.Qa8 Bf8 Do you see the mate threat? 28.e4 h6?? (28...Nd6 29.Nd2+-) 29.Nh4 (better 29.Ba3+-) 29...Qg5 (29...Qg4 30.g3+-) 30.Nf5 (30.Ba3 Qh4 31.Qf8 Kh7 32.Qf7 Qe4+-) 30...Qd2+- Threatening mate... how? 31.Qa1?? (better 31.h4 Nd6 32.Nd6 Qd1 33.Kh2 Qd6 34.Bc1+-) 31...Bc5-/+ 32.Ne3? (better 32.Kh1 Qe2 33.f3-/+) 32...Be3–+ 33.fe3 Qe3 34.Kh1 Ng5 (34...Nd6 35.Qc1 Qb3 36.c5 bc5 37.Ba3 Ne4 38.Bc5 Qb5 39.Be3–+) 35.Qc1 (35.Qg1 Qe4 36.Qf1 Qc2–+) 35...Qe4 (35...Qd3 36.Ba3 Ne4 37.Bb4–+) 36.Ba3 (36.Qf1 Ne6 37.Ba3 Kf7–+) 36...Ne6 37.c5 (37.Qf1–+) 37...bc5 38.Bc5 Nc5 39.b6 (39.Qc5 Qb1 40.Qg1 Qb5 41.Qc1–+) 39...Nd3 (39...Qb4 40.b7 Nb7 41.Qc8 Kf7 42.g3–+) 40.Qf1 (40.Qd2 Nf4 41.Qa2 Kh8 42.h3–+) 40...Qe1 (better 40...Qb4–+) 41.Qe1+- Ne1 42.b7 Nd3 43.b8Q Kh7 44.Qb1 (44.Qb1 e4 45.Qb7+-) 1–0. aravind555 – sbuitra89 (1605), lichess.org, 2020.

6.Nf3 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 1–0. GuestPTJX – GuestZZDL, freechess.org, 2017.

6.Nf3 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 d5 10.Be2 Ne4 (10...dc4 11.Bc4 Bd7 12.Nc3+=) 11.Nc3 Nc3 12.Bc3 cb5 (12...dc4 13.Bc4 cb5 14.Bb5=) 13.cb5 Nd7 14.0-0 Nc5 (14...Bd6 15.Qb3=) 15.Qa1 f6 16.Bb4 Ne4 (16...Nd7 17.Be7 Qe7 18.Rc1+=) 17.Be7 Qe7 18.Rc1 (better is 18.d4+=) 18...Nc5?? (better is 18...e5=) 19.Qa3+- b6 20.d4 1–0. GuestFTFT – GuestJDQZ, freechess.org, 2018.

6.Nf3 a6 7.Be2 d6=.

6.Nf3 cb5 7.ab5 b6 8.Be2 Bb7 9.0-0 d5 10.d4 Nbd7 11.Nbd2 Bb4 12.c3 Bd6 13.c4 dc4 14.Nc4 Bc7 15.Ba3 Nd5? (better 15...Re8+-) 16.Bf8+- Nf8 17.Qd2 Nf6 18.Nce5 Be5 (18...Ng6 19.Qb2+-) 19.Ne5 Ne4 (19...Ng6 20.Ng6 hg6 21.Qb2+-) 20.Qc2 Nf6 21.Nc6 Bc6 22.bc6 Nd5 (22...Qc7 23.Ra6+-) 23.Ba6 (better 23.e4 Nc7+-) 23...Qc7 (23...Nb4 24.Qc4 Na6 25.Ra6+-) 24.Bb7 Rb8 (24...Rd8 25.Ra7 e5 26.de5 Qe5 27.Rd1+-) 25.Ra7 g6 (25...Qd6 26.Rb1+-) 26.Rfa1 1–0. DEFFM – GuestBWWS, freechess.org, 2019.

6.Nf3 d5 7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.Be2 c6 7.a4).

6.Nf3 d6 7.Be2 e5 8.0-0 e4 9.Nd4 c5 10.Nb3 Be6 11.d3 Bb3 12.cb3 Nbd7 (12...d5 13.Nd2+=) 13.de4 Ne4 14.Bf3 Ndf6 15.Qd3 d5 16.Nc3 c4 (16...Nc3 17.Qc3 Ne8 18.Rab1+/-) 17.bc4 dc4?? (better 17...Nc5 18.Qe2 dc4 19.Qc4 Nd3 20.Bb7 Nb2+/-) 18.Qd8+- Rfd8 19.Ne4 (19.Be4?! Ne4 20.Ne4 f5+-) 19...Ne4 20.Be4 Rab8 (20...Rac8 21.Bd4 Bc5 22.Bc5 Rc5 23.Rfd1 Rd1 24.Rd1+-) 21.Rac1 Rd2 22.Bd4 Rc8 (22...b6 23.Rc4 Re8 24.Bc3+-) 23.Bb7 Rc7 24.Bc6 Ra2 25.Rc4 1-0. DEFFM – GuestLVNX, freechess.org, 2021.

6.Nf3 h6 7.c4 (7.Nc3 d5=) 7...a6 (7...d5 8.Nc3=) 8.Nc3 ab5 9.ab5 Ra1 10.Qa1 cb5 (10...d5 11.cd5 ed5 12.Be2=) 11.cb5 Nh7 (11...d5 12.Bd3=) 12.Be2 (better is 12.Qa7 Qc7 13.Bd3+/-) 12...Bf6?? (better is 12...d5+=) 13.Qa7+- Qc7 14.b6 Qd6 (14...Nc6 15.bc7 Na7+-) 15.Ba3 (15.Ba3 Qa3 16.Qa3+-) 1–0. DEFFM – GuestXMDY, freechess.org, 2018.

6.c4 0-0 7.Bc3 Qd8 8.Nf3=.

6.c4 0-0 7.Nf3 d5 8.Be2 Bc5 (8...dc4 9.Bc4 Rd8 10.0-0=) 9.0-0 Re8 (9...dc4 10.Bc4 Nbd7 11.d4+=) 10.d4 Bd6 11.c5 Be7 12.Nbd2 cb5 (12...Qc7 13.Rc1+=) 13.ab5+/- Qc7?? (better is 13...Qd8+/-) 14.b6! Qd8 (14...ab6 15.Ra8 Pinning (15.Ra8 Deflection)) 15.Ra7 (15.ba7?! Nc6+-) 1–0. GuestTFBW – GuestXBQY, freechess.org, 2017.

6.c4 cb5 7.ab5 Qb4 (7...Qd8 8.Nf3=) 8.Ba3 (8.Bd4!? Qd6 9.Ba7+/-) 8...Qa5= 9.Bb2 Qb4 10.Qc2 (10.Bd4 Qd6+/-) 10...a6+= 11.Bc3 (11.Ra4 Qc5+=) 11...Qd6= 12.e4 e5 (12...Qf4!? 13.ba6 ba6=) 13.Nf3+/- Qc5 (13...Qe6!?+/-) 14.Be5+- Ng4 (better is 14...d6!? 15.Bd4 Qh5+/-) 15.Bd4 White prepares the advance e5 (worse is 15.Bg7 Qf2 16.Kd1 Qb6+-) 15...Qd6 16.h3 (16.Bg7!? Rg8 17.Bb2 Qe6+-) 16...Nf6?? (better is 16...Qh6+-) 17.e5 (17.e5 Qc7 18.ef6 Bf6 19.Bf6 gf6 20.Nc3+-) 1–0. GuestQGGS – Lalubuharihamni, freechess.org, 2017.

6.Nf3 0-0=.

6.c4 0-0 7.Nf3 ab5 8.ab5 Ra1 9.Ba1 c5 (9...d5 10.Qc2=) 10.Be2 b6 11.0-0 Bb7 12.Qc2 d5 13.d4 Nbd7 14.Nbd2 h6 (14...cd4 15.Bd4 Qc7 16.Rc1=) 15.Bb2 Qc7 16.Ra1 (16.cd5 Nd5 17.Nc4 Ra8=) 16...Ra8 (16...cd4 17.Nd4 Bd6 18.f4=) 17.Ra8+= Ba8 18.cd5 Bd5 19.e4 Bb7 20.Bd3 Qd8 21.Nc4 cd4 22.Nd4 Nc5 e4 draws heavy fire 23.f3 Nd3 24.Qd3 Bc5 25.Kf1 Ne8 26.Ne5 Nc7 (26...Qh4 27.h3=) 27.Nb3 Qd3 28.Nd3 Be3 29.Nd4 Bc8 0–1. DEFFM – GuestJSDJ, freechess.org, 2018.

6.c4 ab5 7.ab5 Ra1 8.Ba1 0-0 9.Nf3 d5 10.Be2 dc4 11.Bc4 Bd7 12.Nc3 Qa5 13.Qb1 cb5 14.Nb5 Bc6 15.Bc3 Qb6 16.0-0 Bf3 17.gf3 Qc6 (17...Qc5 18.Rc1+=) 18.Be2 Nbd7 19.Nd4 Qc7 20.Rc1 Qb8 21.f4 e5 (21...Nd5!?=) 22.Nf5 Bd8 (better is 22...Re8 23.fe5 Ne5+/-) 23.fe5+- Ne5 24.f4 (24.Bb4 Re8 25.Nd6 Bc7 26.Ne8 Ne8+-) 24...Ned7 (24...Nc6 25.Bf3 Qc7 26.Qb5+/-) 25.Bf3 (25.Bb5 Nb6 26.Bb4 Nbd5 27.Bf8 Kf8+-) 25...b6 (25...g6 26.Nh6 Kg7 27.Ng4+-) 26.Bd4 (26.Bb4!? Re8 27.Nd6 Be7 28.Ne8 Qe8 29.Be7 Qe7 30.Rc8 Nf8 31.Qb6 h6+-) 26...b5 27.Qb4 g6 28.Ne7 Be7 29.Qe7 Qd8 30.Qd6 Qb8 (30...Ne8 31.Qc6+-) 31.Qa6 Nh5?? (better is 31...Qd8+-) 32.Bh5 gh5 33.Qh6 (better is 33.Qc6 Rd8 34.Qg2 Kf8 35.Bg7 Ke8 36.Qe4 Ne5 37.Rc5+-) 33...f6 34.Kf2 Qd6 35.Rg1 Kf7 36.Rg7 Ke8 37.Qh5 Kd8 38.Qb5 (38.Rh7?! Qc6+-; 38.Qh7?! Qc6+-) 1–0. GuestVCXX – PaulFang, freechess.org, 2017.

6.c4 ab5 7.cb5 cb5 8.Bb5 0-0 9.Nf3 d5 10.0-0 Bd7 11.Nc3 Bb4 12.Nd4 Nc6 13.Nc2 Bc3 14.Bc3 Ne4 15.Bb2 Na7 16.Bd3 Nc5 17.Ne1 Qg5 18.f4 Qe7 19.Bc2 Nc8? 20.Ba3+- b6 21.Bb4 Nd6+= 22.a5 Qd8? 23.Qh5 g6 24.Qe5 Nf5? 25.Nf3 Bb5 26.Rfc1 Nd7 27.Qb2 Re8 28.Bf5 ef5 29.Bc3 Bc4 30.Nd4 Nc5? 31.Qb6+- Qb6 32.ab6 Ra1 33.Ra1 Rb8? 34.Rb1 Nd7 35.b7 Nc5 36.Nc6 Rb7 37.Rb7 Nb7 38.Ne5 Bb3 39.Nd7 Nd6 40.Nf6 Kf8 41.Nh7 Ke8 42.Kf2 Ne4 43.Ke1 Ke7 44.Bd4 Bc4+= 45.h3 f6 46.g4 fg4 47.hg4 Kf7 48.g5 fg5 49.Ng5 Ng5 50.fg5 Ke6 51.Bf6 Kf5 52.Kd1 Ke4 53.Kc2 Bd3 54.Kc3 Bc4 55.Be7 Bd3 56.Bd6 Bc4 57.Bf4 Bd3 58.Kb4 Bc4 59.d4 Bd3 60.Kc5 Bc4 61.Kd6 Kf5 62.Ke7 Bd3 63.Kf7 Be4 64.Kg7 Bg2 65.Kh6 Be4 66.Kg7 Bg2 67.Kf7 Be4 68.Ke7 Bg2 69.Kd6 Be4 70.Kc5 Bg2 71.Kd6 Be4 72.Ke7 Bg2 73.Kf7 Be4 ½–½. Niermann,Georg – Nordlohne,Jesko, Vereinsmeisterschaft, 1998.

6.c4 d5 7.d3 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3= Bb4 11.Qb3 Bc3 12.Qc3 Qa2 13.Na3 0-0 14.Ne2+= dc4? 15.Nc1+- Nd5 16.Na2 Nc3 17.Nc3 cb5 18.Nab5 cd3 19.Bd3 Nc6 20.0-0 Ne5 21.Be2 Bd7 22.Rb1 Bc6 23.Nd6 Rb8 24.Ncb5 b6 25.Na7 Bd7 26.Nab5 f6?? 27.Nc7+- Kf8 28.Na6 Rd8 29.Rb6 Ke7 30.Nc4 Ng6 31.Nb8 Be8 32.Nc6 Bc6 33.Rc6 Rd7 34.f4 Ra7 35.Kf2 h6 36.g3 Nf8 37.Nb6 Rb7 38.Bc4 f5 39.h4 g6 40.Kf3 Kf7 41.e4 fe4 42.Ke4 Kf6 43.Nd5 Kf7 44.Rc7 Rc7 45.Nc7 Kf6 46.Ne8 Ke7 47.Bb5 h5 48.Ke5 Kf7 49.Nc7 Ke7 50.Ba4 Kf7 51.Ne6! 1–0. Bittner – Fricke, 1987.

6.c4 d5 7.Nf3 Bd7 8.Nc3 0-0 9.Be2 Qc7 10.Qb3 dc4 11.Bc4 h6 (11...ab5 12.ab5 Ra1 13.Ba1=) 12.0-0 Rc8 13.b6 Qd8 14.d4 Nd5 15.a5 Nc3 16.Bc3 Be8 17.Rfd1 Nd7 18.Ne5 Nf6 19.f3 Nd5 20.Be1 Bf6 21.e4 Nf4 22.g3 Be5 23.de5 Qg5 24.Bd2 (24.h4!? Qe5 25.gf4 Qf4+-) 24...Nh3+/- 25.Kg2 Qh5 26.Be6! Rd8?? (26...fe6 27.Qe6 Double attack) 27.Bh3+- Qe5 28.Bf4 Qc5 29.Kh1 Qf2 (29...Qh5 30.Bf5+-) 30.Bg2 (better is 30.Bd6!? c5 31.Ra2 c4+-) 30...c5 31.Be3 Qe2 (31...Rd1 32.Rd1 c4 33.Qc3+-) 32.Re1 c4 33.Qa3 (worse is 33.Re2 cb3 34.Rc1 Rac8 35.Rc8 Rc8+-) 33...Qc2 34.Rec1 (better is 34.Bf1!? Qb3 35.Qb3 cb3+-) 34...Qe2 35.Re1 Qc2 36.Bf1 Rac8 37.Rec1 Qb3 38.Rc4! Qa3 (38...Rc4 39.Qb3) 39.Ra3 Rc4 40.Bc4 Bc6 41.Rd3 Rd3 42.Bd3 f6 43.Bc4 Kf8 44.Bc5 Ke8 45.Kg2 1–0. Saveliev,Dmitri (2105) – Tsai,Roman (1815), Uliyanovsk RUS, Students Ch, 2013.

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 cb5 9.Bb5 Qa5 10.Nc3 Bb4 11.Qb1 0-0 12.Ne5 Nd5 13.Nc4 Qa7 14.Nd5 ed5 15.Bd4 Bc5 16.Bc5 Qc5 17.d4 Qc7 18.Nd2 b6 19.0-0 Ba6 20.c4 dc4 21.Nc4 d5 22.Ne5 Rd8 23.Rc1 Qb7 24.Nc6 Nc6 25.Bc6 Qb8 26.Bb5 Bb5 27.Qb5 Rd6 28.Rc7 g6 29.Re7 f6 30.Re8 1–0. Schirmer – Heldwein, corr, 1984–85.

6.ab5 0-0 7.Nf3 d5 8.c4 dc4 9.Bc4 Nbd7 10.0-0 Nb6 11.Be2 Bd7 12.Nc3 Nfd5 13.Nd5 Nd5 14.Qb3 Bf6 15.d4 Qe7? (better is 15...Re8+=) 16.Ba3+- Qd8 17.Bf8 Kf8 18.Qa3 (18.Bd3 Kg8+-) 18...Be7 19.Qb3 Qb6?? The isolani on b5 becomes a target (19...Bf6 20.Rfc1 Qb6+-) 20.Ne5+- Be8 21.Rfc1 f6 22.Nf3 a5 23.Qd3 (23.Bd3 Bb4+-) 23...Kg8 24.Qb3 Rd8 (24...Bb4 25.Bc4+-) 25.Bc4 (25.Bd3 Bb4 26.Qc2 g6+/-) 25...Bb4+/- 26.e4 Nc7 27.d5 (27.Rc2 Bh5+/-) 27...ed5 28.Bd5 (better is 28.Rd1!?+/-) 28...Nd5= 29.ed5 (29.Rd1 Bf7 30.Qd3 Bc5=) 29...Qb5 30.Rc7 a4 (better is 30...Bf7=) 31.Qa4?? (better is 31.Qb1+=) 31...Qa4–+ 32.Ra4 Ba4 33.Rc4 (33.Rb7 Rd5 34.g3 Rd1 35.Kg2 Bd6–+) 33...Rd5 34.g3 Bd1 35.Kg2 Bf8 36.Rb4 (36.Rc7 b5 37.h3–+) 36...Bb4 0–1. GuestDWBQ – GuestKZSQ, freechess.org, 2017.

6.ab5 0-0 7.Nf3 d6 8.Be2 Nbd7 9.0-0 Nb6 10.d4 d5 11.Nbd2 Bd7 12.c4 dc4 13.Nc4 Bb5 14.Nfe5 Nc4 15.Nc4 Bc4 16.Bc4 a6 17.Qb3 Qd7 18.Be2 Rac8 19.Bf3 Rc7 20.Rfb1 Nd5 21.Bc1 Bf6 22.Ba3 Rb8 23.Bb2 h6 24.e4 Ne7 25.e5 Bg5 26.g3 Nd5 27.h4 Be7 28.Bc1 Qd8 29.Bd2 Qc8 30.Bd5 ed5 31.Qd5 Rd7 32.Qe4 Qd8 33.Be3 Qc8 34.d5 b5 35.d6 Bf8 36.Qg4 Kh7 37.Rc1 Qb7 38.Qf5 g6 39.Qd3 Rc8 40.h5 Rc1 41.Rc1 b4 42.hg6 fg6 43.f4 b3 44.Rb1 b2 45.f5 Rg7 46.f6 Rf7 47.Bd4 Qb4 48.Rb2 Qa4 49.Rb1 Qa2 50.Qb3 Qa5 51.Qf7 Kh8 52.Qf8 Kh7 53.Qg7 1–0. Orang4Utan (1835) – serega121557 (1840), lichess.org, 2020.

6.ab5 a6 7.Nf3 d5 8.Be2 Nbd7 9.d4 Nb6 10.Nbd2 0-0 11.0-0 ab5 12.Ra8 Na8 13.Ne5 (13.Bb5? Qb6-+) 13...Nd7 14.f4 (14.Bb5? Ne5 15.Qe2 Nc6-+) 14...Ne5 15.fe5 Nc7 16.Bd3 Bg5 17.Qe1 Bd7 18.Bc3 Bh4 19.Qb1 The isolani on b5 becomes a target 19...g6 (19...Na6 20.Nf3=) 20.Nf3 Qe7?? (better 20...Be7+=) 21.Bb4+- (21.Nh4?! Qh4 22.Bb4 Ra8+/-) 21...Qd8 22.Nh4 Qh4 23.Bf8 Kf8 24.Rf6 Ke7 (24...Kg7 25.Qb4 Ne8 26.Rf1+-) 25.Qb4 Ke8 26.Qa5 Kd8 (26...b6 27.Qb6 Qe1 28.Rf1 Qc3+-) 27.Rf7 Qh5 (27...Ke8 28.g3 Qh3+-) 28.Qb4 Qd1 29.Bf1 Ne8 30.Qe7 Kc7 31.Qd7 Kb6 32.Qb7 Ka5 33.Qb5 1-0. DEFFM – GuestNYLM, freechess.org, 2021.

6.ab5 b6 7.Nf3 0-0 8.Be2 Bb7 9.0-0 d5 (9...Qc7 10.Nc3=) 10.d4 (10.Bd4 a6+=) 10...Ne4 (10...a6 11.Ba3=) 11.Nbd2 Nd2 (11...a6 12.Ne4 de4 13.Nd2=) 12.Qd2+= a6 (12...a5 13.ba6 Ba6 14.Rfc1+=) 13.ba6 (13.Ba3 a5+=) 13...Na6 (13...Ba6 14.Rfc1+=) 14.Rfc1 (14.Ba3 Nc7 15.Be7 Qe7+=) 14...Bb4= 15.c3 Bd6 16.Bd3 g6 (16...Nc7 17.Ra8 Ba8 18.Qc2+=) 17.Qe2 (17.Ba3 Nc7 18.Bd6 Qd6+=) 17...Nc7 18.Ra8 Na8 (18...Ba8 19.c4+=) 19.e4 (19.Ra1 Qc7+=) 19...de4= 20.Be4 Be4 21.Qe4 Bc7 (21...b5!?=) 22.c4+/- Qb8 23.Ra1 Re8 24.d5 e5 25.Qh4 b5 26.c5 h5 27.d6 Bd8 28.Qe4 Bf6 29.Ne5 Bg7 30.d7 1–0. Buss,Michael – Esposito,C, corr USCF, 1989.

6.ab5 Qb6 7.Bd4 Bc5 8.Bf6 gf6 9.Qg4 f5 10.Qg7 Rf8 11.Qh7 Be7 12.Nc3 Bf6 13.Qh6 Bc3 14.dc3 Qc5 15.Qf6 e5 16.c4 Rg8 17.Nf3 Qb4 18.Kd1 d6 19.Ng5 Rf8 20.Be2 Nd7 21.Qf5 Nb6 22.Qd3 Bd7 23.Ne4 Ke7 24.f4 f5 25.Nc3 1–0. marus1 – phophos, internet, 2001.

6.ab5 d5 7.Bd4=.

6.ab5 d6 7.Nf3 h6 (7...0-0 8.Be2=) 8.d4 d5 9.Bd3 0-0 10.0-0 Nbd7 11.Nbd2 Nb6 12.c4 dc4 13.Nc4 Nc4 14.Bc4 b6 (14...a5 15.Ne5+=) 15.Ne5+/- Bb7 16.Bd3 Qd5 17.f3 Qb3?? (better is 17...Rfc8+=) 18.Qb3+- 1–0. DEFFM – GuestGLSN, freechess.org, 2018.

6.Bb5 a6 7.Bd3 Nc6 8.f4 h6 9.Nf3= d5 10.0-0 Qc7 11.Ne5 Ne5 12.Be5 Qd7 13.a5+= Qc6 14.Nc3 0-0 15.Qf3 Nd7 16.Bd4 Nc5 17.f5 Nd3 18.f6 Bd8 1–0. pcmvr (2110) – daphatmon (2120), net–chess.com, 2006.

6.c4 0-0 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0-0 7.c4).

6.Nf3 0-0 7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.Be2 c6 7.a4).

5.c4 d5 6.e3=.

5.e3 Bg7 6.Nf3 0-0 7.c4 b6 8.Be2 Bb7 9.0-0 c5 10.Qc2 d6 11.d3 Nbd7 12.Nbd2 Re8 13.Nb3 a6 14.d4 Be4 15.Qc1 ab5 16.Nbd2 bc4-/+ 17.dc5 Nc5 18.Qc4 Bc6–+ 19.Bd1 Qd7 20.Qh4 e5 21.Nc4 Na4 22.Ba4= Ra4 23.Ra4 Bf3 24.Nb6+= Qc7 25.gf3 Qb6 26.Qb4 Qc6 27.e4 Bf8 28.Qc4 Qd7 29.Rfa1 d5 30.Qb3?? Nh5?? 31.Ra7 Qh3+= 32.Qd5 Nf6?? 33.Qf7 Kh8 34.Qf6 Kg8 1–0. Laurent,Rudolf – Kemilae, Oberpfalz–ch M2, 2001.

5.e4 d5 6.e5 Ne4+=.

5.e4 d6 6.Nf3=.

5.e4 Bg7 6.e5+= Nd5 7.c4 Ne7 8.f4 0-0= 9.Nf3 d6 10.d4 de5 11.fe5+= c5 12.dc5 Qd1= 13.Kd1 Rd8 14.Kc2 Nd7 15.Bd4 Nf5=+ 16.Bf2 Ne5 17.Ne5 Be5 18.Nc3 Bd7 19.Rd1= Be8 20.Rd8 Rd8 21.Bd3 Nd4= 22.Bd4 Bd4 23.Be4 Rb8 24.c6 bc6 25.bc6 Rc8 26.Nb5 Bc5 27.c7 Bb5 28.ab5 Rc7 29.Bc6 a6 30.Rd1 ab5=+ 31.cb5 Kf8 32.Kd3 Ke7 33.Ke4 h5 34.Ra1 Ra7 35.Ra7 Ba7 36.Kf3 f5-/+ 37.h3 Kf6 38.Be8 h4 39.g4 hg3–+ 40.Kg3 g5 41.Kf3 e5 42.Bd7 e4 43.Ke2 f4 44.Bg4 Ke5 45.Bh5 Kd4 46.Bg4 Kc5 47.Bf5 Kd4?? 48.Bg4 Bb6 49.Bh5 f3?? 50.Bf3= ef3 51.Kf3 Kc5 52.h4 gh4 53.Kg4 Bd8 54.Kh3 Kb5 55.Kg2 Kc4 56.Kh3 Kd3 57.Kg2 Ke3 58.Kh2 Ke2 59.Kg2 Bf6 60.Kg1 Kf3 61.Kh2 Kg4 62.Kg2 Be5 63.Kh1 ½–½. Streit,Bodo (1750) – Richter,Thomas (1615), Landesliga West2, 2002.

6.d4 0-0 7.e3 Re8 8.Nf3 d5 9.Be2 Nbd7 10.Nbd2 a6 11.0-0+= ab5 12.ab5 Ra1 13.Qa1 Qc7 14.Rc1+/- Ne4 15.Ne4 de4 16.Nd2 f5 17.g3 c5 18.Nb3 b6 19.Rd1 Bb7 20.dc5 Bb2 21.Qb2 Nc5 22.Nc5 bc5 23.Qd2 Kf7 24.Qd7 Qd7 25.Rd7 Re7 26.Rd6 Rc7 27.Kf1 Ke7 28.Rd2 Rd7 29.Rd7 Kd7 30.Kg2 Ke7 31.Kh3 g5 ½–½. Schwichtenberg,Juergen – Gulla,Rainer, Karl Mala mem op, 2003.

6.Nf3 0-0 7.g3 d5 8.c5 Nbd7 9.d4 Re8 10.Bg2 e5 11.de5 Ne4 12.0-0 Ndc5 13.Nbd2 Qb6 14.Qc2 cb5 15.Bd4 Bf5 16.Ne4 Be4 17.Qc5 Qc5 18.Bc5 f6 19.ab5 b6 20.Bb4 fe5 21.Nd2 Bg2 22.Kg2 e4 23.Rac1 d4 24.Rc4 e3 25.Nb3 Rad8 26.f3 d3 27.ed3 Rd3 28.Nc1 Rd5 29.Re1 Rb5 30.Bc3 Bc3 31.Rc3 Rb2 32.Re2 Re2 33.Ne2 a5 34.Rb3 Re6 35.Kf1 a4 36.Rb4 a3 37.Ra4 Rf6 38.f4 g5 39.Ra3 gf4 40.Nf4 b5 41.Ke2 1–0. hal1958 – SurferPhil, playchess.de, 2002.

5.a4 cb5 6.ab5 Qc7 7.e3 d5 8.Qb3 dc4 9.Bc4 Be7 10.Nf3 0-0 11.0-0 Bd6 12.Rc1 Qd8 13.d4 b6 14.Nbd2 Bb7 15.Be6?? (better 15.ba6 Na6 16.e4+-) 15...fe6=+ 16.Qe6 Kh8 17.e4 (better 17.Nc4 Ne4 18.Nd6 Nd6 19.d5 ab5 20.Ra8 Ba8 21.e4=+) 17...Re8?? (better 17...Bf4 18.d5 Bc8 19.Bf6 gf6 (19...Be6?? 20.Bd8 Rd8 21.de6+-; worse 19...Qf6 20.Qc8 Bd2 21.Nd2 Qf2 22.Kh1+-) 20.Rc8 Qc8 21.Qb6 Nd7–+) 18.Ng5+- Re6 19.Nf7 Kg8 20.Nd8 Bh2?? (better 20...Re7 21.e5 Bd5+-) 21.Kh2+- Nbd7 (21...Re7 22.Nb7 Rb7 23.Rc8 Kf7+-) 22.Ne6 Ng4 (22...Ne4 23.ba6 Bd5 24.Nc7+-) 23.Kg1 Rc8 24.Rc8 Bc8 25.ba6 b5 26.a7 Nb6 27.a8Q Na8 28.Ra8 (28.Ra8 Kf7 29.Nc5 Nf2 30.Kf2 Bg4 31.Ra7 Kf8 32.d5 Bd7 33.Rd7 Ke8 34.Rg7 Kd8 35.d6 Ke8 36.Ne6 b4 37.d7) 1–0. DEFFM – GuestFXCQ, freechess.org, 2019.

5.a4 Bc5 6.e3 0-0 7.Nf3 d5 8.d4 Bb4 9.Bc3 Bc3 10.Nc3 ab5 11.cb5 cb5 12.Bb5 Bd7 13.0-0 Bb5 14.Nb5 Nc6 15.h3 Ne4 16.Qc2 Rc8 17.Qb2 Re8 18.Rfc1 Na5 19.Ne5 f6 20.Nd3 Nc4 21.Qb4 Rc6 22.Nc5 Nc5 23.dc5 Qd7 24.Nd6 Nd6 25.cd6 Qd6 26.Qb7 Rec8 27.Rc6 Qc6 28.Qc6 Rc6 29.a5 Ra6 30.Kf1 Kf7 31.Ke2 Ke7 32.Kd3 Kd6 33.f4 Kc5 34.Kc3 Kb5 35.Kd4 Ra5 36.Ra5 Ka5 37.Kc5 Ka4 38.Kd6 Kb3 39.Ke6 Kc3 40.Kd5 Kd3 41.e4 Ke3 42.e5 Kf4 43.e6 Kg3 44.e7 Kg2 45.e8Q Kh3 46.Qh5 Kg3 47.Qh7 g5 48.Qg6 g4 49.Qf6 Kg2 50.Ke4 g3 51.Qf3 Kh2 52.Qh5 Kg1 53.Kf3 g2 54.Qg4 Kf1 55.Qg2 1–0. Abdullaevich (1755) – hs_ghosh (1765), lichess.org, 2020.

5.bc6 bc6 6.Nc3 d5 7.e3 Be7 8.Qa4 Bd7 9.Qb3 0-0?? 10.Qb7+- c5 11.Qa8 Qb6 12.Ba3?? Bc6–+ 13.Rb1 Qb1 14.Nb1=+ Ba8 15.Nf3 Bb7 16.Nc3 Nbd7 17.Be2 Rb8 18.0-0 h6 19.Rb1 Bc6 20.Rb8= Nb8 21.Ne5 Bb7 22.Bf3 Bd6 23.d4+= cd4 24.Bd6 dc3 25.Bb8 Nd7 26.Bd6 (26.Bd6 c2 27.Nd3 dc4 28.Nc1 (28.Bb7?? cd3 29.h4 d2–+) 28...Bf3 29.gf3+/-; 26.Nd7?? c2 27.Be2 c1Q 28.Bf1 dc4–+) 1–0. mr (2260) – rhand (2180), net–chess.com, 2008.

6.ab5 Ra1 7.Ba1 cb5 8.cb5 Qa5 9.Nc3 b6 10.e3 Bb7 11.Nf3 Be7 12.Be2 0-0 13.0-0 d5 14.Qb1 (14.Bb2 Qb4 15.Qc2 Nbd7+=) 14...Nbd7 15.Rc1 Rc8 16.h3 Bd6 17.Nd4 Ne5 18.Nb3 Qb4 19.Na2 Rc1 20.Nac1 Nc4 21.Bf6 gf6 22.Qa1 Kg7 (22...Nd2 23.Qf6 Ne4 24.Qd8 Bf8 25.Bd3= (25.Qb6?? Qe1 26.Kh2 Qf2-+)) 23.Qa7 Nd2 24.Qb7 Nb3 25.Nb3 Qb3 26.Qb6 Be5 27.g3 Qb2 28.Bf1 d4 (28...Bc3 29.Qc7+=) 29.Qc5 h6 30.Bd3 Qd2 31.ed4 Bg3 32.fg3 Qe3 33.Kg2 Qd2 34.Kg1 Qd3 35.b6 (better 35.Kf2!?=) 35...Qg3-/+ 36.Kf1 Qh3 37.Ke1 Qh1 38.Ke2 (38.Kd2 Qg2 39.Ke3 f5-/+) 38...h5 39.d5 (39.Qb4 Qb7 40.Ke3 h4-+) 39...h4 (39...ed5 40.b7 Qe4 41.Kd2 Qf4 42.Ke2 Qh2 43.Kd3 Qg3 44.Kc2 Qe5=) 40.b7-/+ Qe4 41.Kf2 Qf4 42.Ke2 (42.Kg2 Qg4 43.Kf1 Qf5 44.Kg2 Qe5=+) 42...h3 (42...Qe5 43.Kf3-/+) 43.Qg1=+ Kh7?? (43...Kh8 44.Qe3 Qh2 45.Kf1 Kh7=) 44.Qb1+- f5 (44...Kg7 45.b8Q Qg4 46.Ke3+-) 45.b8Q Qg4 46.Kf2 (46.Ke3 ed5 47.Qf4 d4 48.Qd4 Qg3 49.Ke2 Qh2 50.Qf2 Qf2 51.Kf2 Kg6+-) 46...Qd4?? (better 46...Qg2 47.Ke3 h2+-) 47.Kg3 (better 47.Kf3 Qd5 48.Ke3 Qc5 49.Ke2 Qc4 50.Qd3 Qa2 51.Ke1 Qa1 52.Kf2 Qa2 53.Qe2 Qe2 54.Ke2+-) 47...Qg4= 48.Kf2 Qd4 49.Ke2 Qg4 50.Kd2 (better 50.Ke3 ed5 51.Qf4 d4 52.Qd4 Qg3 53.Ke2 Qh2 54.Qf2 Qf2 55.Kf2 Kg6+-) 50...Qd4?? (50...Qg2 51.Kc3 h2+-) 51.Qd3 Qf2 52.Kc3 Qc5 (52...Qg2 53.Qe8 h2 54.de6 Qg7 55.Kc4+-) 53.Kb3 White intends d6 (better 53.Kb2 Qf2 54.Ka3+-) 53...Kg7 (53...Qd5 54.Qd5 ed5 55.Qg3+-) 54.Qbg3 (54.Qdg3 Kf6 55.Qd8 Qe7 56.Qh8) 54...Kf8+- 55.d6 Qb6 56.Kc2 Qc5 (56...h2 57.d7 Qc7 58.Qc7 h1R 59.d8Q Kg7 60.Qdg3 Kh7 61.Qf7 Kh6 62.Qdf6) 57.Qc3 Qd5 (57...Qc3 58.Qc3 e5 59.d7 f6 60.d8Q Kg7 61.Qg3 Kh7 62.Qdg8 Kh6 63.Qh3) 58.Qh8 1-0. Timmermans,Mark (2385) - Sarana,A (2635), Titled Tuesday, 2020.

6.ab5 cb5?? 7.Ra8+- (7.Ra8 Na6 8.cb5+-) 1–0. ludice (1705) – zenel (1690), kurnik, 2011.

6.cb5 cb5 7.ab5 Ra1 8.Ba1 Qa5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.c4 ab5 5.cb5 c5 6.a4 cb5 7.ab5 Ra1 8.Ba1 Qa5).

6.cb5 cb5 7.ab5= Ra1 8.Ba1 Be7 9.Nf3 Qa5 10.e3?? Qa1–+ 11.Qb3 0-0 12.Be2 d5 13.0-0 Qa5 14.Nc3 Nbd7 15.Nd4 Nc5 16.Qc2 Nce4 17.Nb3 Qc7 18.Nd4 Nc3 19.dc3 Ne4 20.Bd3 f5 21.Be4 fe4 22.Rc1 Bf6 23.Nb3 b6 24.Qd2 Bd7 25.Nd4 Bd4 26.cd4 Qa7 27.Qb4 Qa5 28.Rb1 Qb4 29.Rb4 Rc8 30.h3 Rc1 31.Kh2 Rc2 32.Kg3 Kf7 33.f4 ef3 34.gf3 Rc3 35.Kf4 Rc4 36.Rb3 Kf6 37.e4 Rd4 38.Kg3 de4 39.f4 g6 40.h4 Rd5 41.Re3 Rd3 42.Kf2 Re3 43.Ke3 Kf5 44.Kd4 Bb5 (44...Bb5 45.Ke3 Bd3–+) 0–1. HeresJhonny – LouisFriend, Caissa.com, 2004.

6.cb5 d5 7.e3 Be7 8.Nf3 0-0 9.Nc3 (9.Be2 Nbd7=) 9...c5 10.Bd3 Nbd7 11.Bb1 b6 (11...e5 12.d4 cd4 13.ed4-/+) 12.d4 Bb7 13.0-0 h6 14.Qd3 Re8 15.Ne5 c4 16.Qc2 Nf8 17.f4 N6d7 (17...Qc7 18.Kh1=) 18.Rf3 (18.Nc6 Qc7=) 18...f5 19.Ba3 Ne5 20.fe5 Ba3 21.Ra3 g5 22.Rh3 Kg7 23.Qe2 (better is 23.Ne2=) 23...Nd7?? (better is 23...g4 24.Rh5 Qe7-/+) 24.Qh5+/- Rh8 25.g4 fg4?? (better is 25...Qe8 26.gf5 Qh5 27.Rh5 Kf7+/-) 26.Qg6+- Kf8 27.Ra2 (better is 27.Rh6 Rg8 28.Qe6+-) 27...Nf6?? (better is 27...Qe8 28.Rh6 Qg6 29.Rg6 Ke7 30.Rg7 Kd8 31.Rg5 Kc7+/-) 28.Rf2!! gh3 29.Rf6 (29.Rf6 Qf6 30.Qf6 Ke8 31.Qe6 Kf8 32.Qd6 Kg8 33.Qg6 Kf8 34.e6 Rh7 35.Qh7 Ke8 36.Qd7 Kf8 37.Qf7) 1–0. Kuhn,Heinz (1675) – Conrad,Egon (1640), GER Cup Amateur GrC 1st, 2000.

5.cb5 Qa5 6.Bf6 gf6 7.Nc3 Bg7 8.e3 f5 9.Qb3 d5 10.d4 Rg8 11.g3 Nd7 12.Nf3 Nb6 13.Be2 Bf6 14.0-0 h5 15.h4 Bd7 16.a4 Rc8 17.Rfc1 Nc4 18.Rc2 Qd8 19.Kh2 b6 20.Rg1 Be7 21.Bc4 Rc4 22.Ne2 Rc2 23.Qc2 Qc8 24.Rc1 Qc2 25.Rc2 Kd8 26.Nf4 1–0. Abdullaevich – knightmare74 (1620), lichess.org, 2017.

5.cb5 Bb4 6.a4 a6 7.Qb3 a5 8.e3 0-0 9.Nf3 d5 (9...d6 10.Bc4=) 10.Be2 Nbd7 11.0-0 Nc5 12.Qc2 Bd7 13.d4 Nce4 14.Ne5 h6 15.Qb3 Bd2?? (better 15...Rc8+=) 16.f3+- (16.Nd2 Nd2 17.Qd3 Nf1 18.Rf1 Re8=+) 16...Be3 17.Qe3 Ng5 (17...Nd6 18.Ba3 Nf5 19.Qf2+-) 18.Nd7 (18.Ba3!? Re8+-) 18...Nd7 19.Nd2 Nh7 20.Bd1 (20.Nb3 Nhf6+-) 20...Rb8 (20...Rc8 21.Nb3+-) 21.Bc2 Rc8 22.Qd3 Ndf6 (22...Nhf6 23.Rac1+-) 23.Bb1 (23.f4 Re8+-) 23...Qc7 24.Rc1 Qd6 25.Bc2 Qf4 26.g3 Qg5 27.Kg2 Qh5 28.Nf1 (28.Ba3 Rfe8+-) 28...Ng5 (28...Rfe8 29.Bc3+-) 29.Bd1 (29.h4 Ngh7+-) 29...Qh3 30.Kg1 Nh5 (30...Rfd8 31.b6+-) 31.f4 (31.Rc8!? Rc8 32.Rc1 Rf8+-) 31...Ne4 (31...Nf4 32.Qd2 Ng6 33.Qa5+-) 32.Bf3 Rc1 (32...Nhf6 33.b6+-) 33.Rc1 Neg3 (33...Nhf6+-) 34.hg3 Ng3 (34...Rb8 35.Qe3 Nf6 36.Qe5+-) 35.Bg2 Qg4 36.Qg3 Qf5 37.Ne3 Qd3 38.Ng4 (better 38.f5 Qb3 39.Rc2+-) 38...Qb3 (better 38...Qg3 39.Nf2 Qb3-+) 39.Nh6 Kh7 40.Ng4 (better 40.Qb3 gh6 41.f5+-) 40...Qg3-+ 41.Nf6 (41.Nf2-+) 41...gf6 42.Rf1 (42.Rc3 Qf4 43.Rh3 Kg6-+) 42...f5 (42...Qe3 43.Rf2-+) 43.Rf2 Qg6 (better 43...Qb3 44.b6-+) 44.Kf1 Qh6 (44...Rg8!? 45.Bc3-+) 45.Rf3 Rg8 (better 45...Kg7!? 46.Ba3 Rc8 47.Kg1-+) 46.Rh3 Qh3! 47.Bh3 (47.Bh3 Rg3 Decoy) 47...Rg3 48.Bg2 (48.Bg2 Rb3 49.Bc1-+). ClayPigeons (2205) - djordj (2180), Rated Bullet game, lichess.org, 2021.

5.cb5 b6 6.Nf3 Bb7 (6...d5 A) 7.e3 Bd6 (7...a6 8.Nc3 Bd6 9.ba6 Na6 10.Nb5 Be7=) 8.Be5 0-0 9.Nc3 Be5 10.Ne5 d4=; B) 7.Nc3 Bd6 (7...a6 8.e3 Bd6 9.ba6 Na6 10.Nb5 Be7=) 8.e3 0-0 9.Be2 a6 10.0-0 e5=; 6...a6 7.e3 d5 8.Nc3 Bd6 9.ba6 Na6 10.Nb5 Be7=) 7.e3 (7.Nc3 d5 (7...a6 8.e3 Bb4 9.Be2 ab5 10.0-0 0-0=) 8.e3 Bd6 9.d4 0-0 10.Bd3 Qe7=) 7...d5 (7...a6 8.Be2 Bc5 9.0-0 0-0 10.Nc3 ab5=; 7...Be7 8.Be2 0-0 9.Nc3 a6 10.0-0 ab5=) 8.Nc3 (8.Be2 Bd6 9.0-0 0-0 10.Be5 Be5=) 8...Bd6 9.d4 Qc7 (9...0-0 10.Bd3 Qe7=) 10.Rc1 Qe7 11.Bd3 0-0 12.0-0 Nbd7 13.Qa4 h6 14.Ne2 (14.Rc2 a6+=) 14...Nh7 (14...a6 15.ba6 Ba6 16.Ba6=) 15.Nf4 Ng5 16.Ng5 Qg5 (16...hg5!? 17.Ne2 a6=) 17.Ba3+/- Ba3 18.Qa3 Rfc8 19.Rc8 Bc8 20.Rc1 Qd8 21.Qd6 Bb7 (better is 21...Qf8!? 22.Qc6 Rb8+/-) 22.Rc7+- Bc8 23.e4 de4 (23...Qf8 24.Qc6 (24.Rd7?! Bd7 25.Qd7 de4 26.Be4 Rd8+=) 24...Qd8 25.ed5+- (25.Qa8?! Qc7 26.ed5 Qc1 27.Bf1 Qf4 28.Qc8 Nf8+-)) 24.Be4 (24.Be4 Rb8 25.Bc6+-) 1–0. Buss,Michael – Piegeler,Wilhelm, corr ICCF TT/40–23, 1992.

6.a4 ab5 7.ab5 Ra1 8.Ba1 Be7 9.e3 (9.Nf3 0-0 (9...d6 10.e3 0-0 11.d4 Ne4 12.Bd3 Qa5 13.Nbd2=; 9...d5 10.e3 Nbd7 11.Be2 Bd6 12.0-0 e5 13.Qc2=) 10.e3 (10.Bf6 Bf6 11.e4 d6 12.Be2 e5 13.Bc4=) 10...d6 11.Be2 e5 12.0-0 Bf5 13.Nc3=) 9...b6 (9...d6 10.Be2 (10.Nf3 0-0 11.Be2 e5 12.0-0 Bf5 13.Nc3=) 10...0-0 11.Nf3 e5 12.0-0 Bf5 13.Nc3=; 9...0-0 10.Be2 (10.Nf3 d5 11.Be2 Nbd7 12.0-0 Bd6 13.d4=) 10...d6 11.Nf3 e5 12.0-0 Bf5 13.Nc3=) 10.Nf3 (10.Be2 0-0 11.Nf3 d6 12.0-0 Bb7 13.Nc3=) 10...0-0 (10...d6 11.Bf6 Bf6 12.d4 Bb7 13.Bd3=) 11.Be2 (11.Bf6 Bf6 12.d4 Bb7 13.Bd3=) 11...Qc7 (11...Bb7 12.0-0 d6 13.Nc3=) 12.0-0 Bb7 (12...d6 13.Qc1=) 13.Nd4 (13.Qc1 Rc8 14.Qc7 Rc7=) 13...Nd5 14.f4 d6 15.e4 (15.Nc3 Rc8=) 15...Nf6 (15...Nf4 16.Rf4 e5 17.Rf1 ed4 18.Bd3=) 16.d3= Nbd7 17.Kh1 g6 (17...Rc8 18.Bf3=) 18.f5 (18.Qd2!?+=) 18...e5+= 19.fg6 (19.Nf3 gf5 20.ef5 Ra8+=) 19...ed4 (19...fg6? 20.Ne6 Qb8 21.Nf8 Qf8 22.Nc3+-) 20.gh7 Kh7 (20...Nh7!? 21.Bd4 d5-/+) 21.Bd4= Rg8 22.Nd2 (22.Qe1 Rg6=) 22...Kg7 (22...d5 23.Rf5 de4 24.Ne4+=) 23.Nf3 (23.Rf5 Kf8=) 23...Kf8+= 24.Qd2 Ne5 (24...Ke8 25.Rc1 Qd8 26.Qc3-/+) 25.Ng5 (25.Rc1 Qd8=) 25...Bd8 (25...Ke8 26.Nf3-/+) 26.Qf4 (26.Bh5 Ke8 27.Ne6 Qd7 28.Nd8 Qd8= (worse is 28...Nh5 29.Nb7 Qb7 30.Qh6+/-)) 26...Qe7 (26...Ke8 27.Nf3 Nfg4 28.Rc1-/+) 27.Bb2 Rg7 28.Ba3 Ne8 29.Nf3 Nf3 30.Rf3 Qf6-/+ 31.Qf6 Bf6 32.Bd6 Nd6 33.Rf6 Ke7 34.Rf1 Nb5 35.Rb1 Nc3 36.Rb6 Be4 37.de4 Ne2 38.g3 Ng3 ½–½. Zahn,Richard – Weis,Norbert, Bad Wildbad op, 1999.

6.e3= ab5 7.Bb5 Be7 8.Nf3 0-0 9.0-0 d6 10.a4 Bd7 (10...e5 A) 11.Qe2 Qb6 (11...Na6 12.Nc3 Bg4 13.e4 Nc5 14.h3 Bf3=; 11...Nc6 12.e4 Bg4 13.Rc1 Rc8 14.Na3 d5=; 11...Bg4 12.e4 d5 13.d3 d4 14.h3 Bf3=) 12.d4 e4 13.Nfd2 Bg4 14.f3 ef3=; B) 11.d3 Bg4 (11...Nc6 12.Nbd2 Be6 13.d4 e4 14.Ne4 Ne4=) 12.Nbd2 Na6 13.h3 Be6 14.Ng5 Bc8=) 11.Nc3 (11.Qc2 Bb5 12.ab5 Ra1 13.Ba1 Qa5 14.Bf6 Bf6=; 11.Qe2 Nc6 (11...e5 12.e4 Nc6 13.Rc1 Qb6 14.Na3 Rfc8=; 11...Bb5 12.ab5 Ra1 13.Ba1 Qc7 14.e4 Rc8=) 12.Rc1 Na5 13.Ra3 e5 14.d4 e4=; 11.d3 Nc6 (11...e5 12.Bd7 Nbd7 13.Nbd2 Ra6 14.Qb1 Qa8=; 11...Bb5 12.ab5 Ra1 13.Ba1 Qd7 14.Qb3 Rc8=) 12.Qd2 Na5 13.Qc2 Bc6 14.e4 d5=) 11...Na6 (11...Nc6 12.Rc1 Qa5 13.Qb3 d5 14.Ne2 Qb6=; 11...Qa5 12.Qb3 Rc8 13.Rfc1 Bc6 14.Nd4 Nbd7=; 11...Qc7 12.e4 Nc6 13.d4 d5 14.e5 Ng4=) 12.d4 (12.Qe2 d5 13.Ne5 Bb5 14.ab5 Nb4=) 12...Nc7 (12...Nb4 13.Qb3 Nc6 14.Bd3 Na5=) 13.Qb3 (13.Bd3 Ncd5 14.Qb3 Bc6=) 13...Bb5 (13...Nb5 14.ab5 Qb6=) 14.Nb5 (14.ab5 d5=) 14...Nb5 15.Qb5 b6 16.Bc3 (16.Rfc1 Ra5 17.Qc6 Ra7=) 16...Nd5 (16...Qd7 A) 17.Qb6? Rfb8 (17...Ra4?! 18.Ra4 Qa4 19.Ra1=) 18.Qb8 Rb8–+; B) 17.Rfc1=) 17.Bd2 Qb8 18.Rfb1 f5 19.Ne1 (19.Rc1 Qe8=) 19...Rc8 (19...Qe8!?=) 20.a5+= ba5?? (better is 20...Rf8+=) 21.Qd7+- (21.Ra5 Qb5 22.Rbb5 Kf7+=; 21.Ba5 Qb5 22.Rb5 Rab8 23.Rb8 Rb8+=) 21...Nb4 22.Qe6 Kf8 23.Qf5 Bf6 24.Ra5 Qc7 25.Ra8 Ra8 26.Rb4 1–0. Laine,Erkki – Bluett,N, Haifa ol (men), 1976.

6.e3= d5 7.Nf3=.

6.a4 Bc5 7.e3 d5 8.Nf3 (8.Bf6 gf6 9.Nc3 Nd7=) 8...Nbd7 9.Be2 0-0 10.0-0 Ne4 (10...Bd6 11.d4+=) 11.d3 Nef6 12.Nbd2 (12.d4 Bd6+=) 12...Ng4 (12...Bb4 13.Qb3 a5 14.Rfd1+=) 13.h3 (13.d4 Bb4+=) 13...Ngf6 (13...Nf2 14.Kf2 Be3 15.Ke1=) 14.Nb3 (better is 14.a5 Qd6 15.Qb3+=) 14...Be3? (better is 14...Bb4=) 15.fe3+- Qe3 16.Kh1 (16.Rf2 h5+-) 16...Qh6 (16...e5 17.Bc1 Qb6 18.a5+-) 17.Ne5 (17.Qe1 Qg6+-) 17...b6 (17...Ne5 18.Be5 Nd7 19.Bf4+-) 18.Qc2 (18.a5 a6+-) 18...Bb7 (18...a6 19.Rac1 ab5 20.ab5+-) 19.Nd7 (19.Qc7 Ne5 20.Be5 Rab8+-) 19...Nd7 20.Qc7 Bc8 21.Rf2 (21.Rac1 Qg5+-) 21...Qe3 (better is 21...a6+-) 22.Raf1 Ne5 (22...a6 23.ba6 f6+-) 23.Be5 (23.Be5 Bd7 24.Bf4 Qf2 25.Rf2+- (25.Qd7 Qe2 26.Kg1 Qd3-/+)) 1–0. GuestRLKC – GuestVBKS, freechess.org, 2016.

6.e3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Qc2 Qa1 (10...Qd8 11.Nf3+=) 11.Qc8+- Ke7 12.Bd3 Qb2?? (better 12...Qa8 13.Nf3 g6+-) 13.Qb8+- Qc1 (13...Nd5 14.Ke2 (14.Qb7?! Nb4 15.Be4 Qc1 16.Ke2 Qc4 17.Kf3 f5+-) 14...g5 15.Qb7+-) 14.Ke2 Ng4 (14...Nd5 15.Qb7 g6 16.Qa7+-) 15.f3 Nf6 16.Nc3 g6 17.Qb7 Bg7 18.Qc7 (18.Qa7 Nd5 19.Nd5 ed5+-) 18...Qa1 (18...Qa3 19.b6 Ne8 20.Nb5 Nc7 21.Na3+-) 19.Qc5 (better 19.b6 Ne8 20.Qc5 d6+-) 19...Kd8 (19...d6 20.Qc6 Nd7 21.Ne4+-) 20.Qb6 (better 20.b6 Qa8 21.Nh3 Ne8+-) 20...Ke7 21.Qc5 Kd8 22.b6 Bf8 (22...Qa8+-) 23.Qc7 (23.Qc7 Ke7 24.b7+-) 1–0. DEFFM – GuestVPLZ, freechess.org, 2019.

6.e3 Qc5? 7.Nf3 (7.Na3 Qf5 8.Rc1 Kd8+-) 7...Qb4 (7...d5 8.d4 Qb4 9.Bc3+-) 8.Ba3 (8.Qc2 Qc5 9.Nc3 d5+-) 8...Qa5+- 9.Qc1 Qd8 10.Bf8 Kf8 11.Bd3 a6 12.Qa3 Qe7 13.Qc1 (13.Qc3 Qd8 14.Na3 ab5 15.Nb5 Nc6+-) 13...Qd8 14.Nc3 Nd5 (better 14...ab5!? 15.Nb5 Nc6+-) 15.Nd5+- ed5 16.Qc5 (16.Qa3 d6+-) 16...d6 17.Qd5 ab5 18.0-0 Nd7 (better 18...Na6+-) 19.Qd6 (worse 19.Bb5 Nc5+-; 19.Qb5?! Nc5 20.Bc2 Bd7+-) 19...Qe7 20.Qe7 (20.Qf4!? b4+-) 20...Ke7 21.Bb5 Rd8 (21...Nf6 22.Rfc1 Be6 23.Rc7 Kd6 24.Rac1+- (24.Rb7?! Bd5 25.Rb6 Kc5 26.Rf6 gf6+-)) 22.Rfc1 Kf8 23.Rc7 Ra5 (23...Nb6 24.e4+-) 24.Bd7 (24.a4 Nb6+-) 24...Bd7 25.d4 (25.Rb7 Bc6 26.Rb2 Bd5+-) 25...f6 (25...Be6 26.Rb7 Bd5 27.Rc7+-) 26.Rb7 Bc6 27.Rc7 Bf3 (27...Bd5 28.a3+-) 28.gf3 Rg5 (28...Rb8 29.Rd7+-) 29.Kf1 Rh5 (29...Ra5 30.Rb1 Ra2 31.Rbb7+-) 30.Rb1 Rh2 31.Rbb7 h5 (31...Ra8 32.Rf7 Kg8 33.Rg7 Kh8 34.Rgc7+-) 32.a4 h4 (32...Rh1 33.Kg2 Ra1 34.Rf7 Kg8 35.Rg7 Kh8 36.Rh7 Kg8 37.Rbg7 Kf8+-) 33.Kg1 Rh3 34.Kg2 Rf3 35.Kf3 g5 36.Rf7 (36.Kg4 h3 37.Rh7 Kg8 38.Rhg7 Kh8 39.Kh5 h2 40.Rh7 Kg8 41.Kg6 h1Q 42.Rh1 Ra8 43.Rg7 Kf8 44.Rh8) 36...Kg8+- 37.Rf6 g4 38.Kg4 Rf8 1–0. DEFFM – GuestKHQB, freechess.org, 2019.

6.e3 Bc5 7.a4 Qc7 8.Nf3 0-0 9.Nc3 b6 10.Be2 Bb7 11.0-0 d6 12.Qc1 Nbd7 13.Na2 Rac8 14.h3 d5 15.Qc3 Bd6 16.Qc7 Rc7 17.Rac1 Rfc8 18.Rc7 Rc7 19.Rc1 Rc1 20.Nc1 Kf8 21.Nb3 Ne4 22.Nbd4 Ndc5 23.Bd1 Ke7 24.Kf1 f6 25.Ke2 e5 26.Nc6 Bc6 27.bc6 Kd8 28.d3 Ng5 29.d4 Nce4 30.de5 fe5 31.Ne5 g6 32.h4 Ne6 33.f3 Ng3 34.Kd3 Nc5 35.Kd4 Nf5 36.Kd5 Ne3 37.Kd6 Nd1 38.Bd4 Na4 39.c7 Kc8 40.Nc6 Ne3 41.Be3 Nc5 42.Ne7 Kb7 43.c8Q 1–0. Abdullaevich – emdarty1, lichess.org, 2018.

6.e3 d5!?=.

6.e3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 b6 10.Nc3 Bb7 11.Nf3 d5 12.Be2 Nbd7 13.d4 Bb4 14.0-0 Bc3 15.Bc3 0-0 16.Qb3 Ne4 17.Bb2 (better is 17.Bb4 Re8 18.Bd3+=) 17...Qe7? (17...Qf6 18.Rc1+=) 18.Rc1?? (better is 18.Ba3 Qd8 19.Bf8 Kf8 20.Ra1+-) 18...Rc8 (18...Ra8 19.Bd3+=) 19.Rc8 Bc8 20.Qc2 Qd8 21.Bd3 Ndf6 (21...Bb7 22.Nd2+=) 22.Ne5+/- h6 (22...Bd7 23.Ba3 Qa8 24.Qc1+/-) 23.f3 (23.Ba3 Bb7+/-) 23...Ng5 (23...Nd6 24.Nc6 Qd7 25.e4+/-) 24.Nc6 Qc7 (24...Qd7 25.Ba3 Bb7 26.Qc3+/-) 25.h4 (25.Ba3 Kh8+-) 25...Ngh7+/- 26.e4 (26.Ba3 Kh8+/-) 26...de4 27.fe4 Nf8 28.d5! N6d7?? (28...ed5 29.Ba3 Decoy) 29.Ne7+- (29.Ne7 Kh7 30.Qc7+-) 1–0. GuestZSWT – GuestBHXC, freechess.org, 2016.

6.e3 d5=+ 7.Nf3 0-0 8.Qc2 (8.Nc3 Ne4=) 8...Nbd7=+ 9.Be2 b6 (9...Ne4 10.0-0=) 10.0-0 Bb7 11.d4 Bd6 12.Nbd2 (12.Rc1 a6=) 12...Rc8 13.Qa4 Bb8 (13...a6 14.ba6 Bc6 15.Qb3+=) 14.Ba3 (14.Rfc1 Qe7+=) 14...Re8 15.Rac1 e5 16.de5 Ne5 17.Rc8 (17.Ne5 Re5 18.Bb2 Re8+=) 17...Qc8 (17...Nf3 18.Bf3 (18.gf3?! Bc8 19.Bd3 Qc7=; < 18.Nf3 Bc8 19.Rc1 Re4+=) 18...Bc8 19.Rc1+=) 18.Rc1 (18.Ne5 Re5 19.Bb2 Re6+/-) 18...Qf5 (18...Nf3 19.Bf3 (< 19.gf3 Qf5=+) 19...Qd7 20.Bb2+=) 19.Nd4 Qd7 (19...Qg6 20.Bb2+=) 20.Nc6 Bc6+= 21.bc6 Qc7 22.g3 Re6 23.Qb4=+ h6 24.Bb5 Kh7 25.Nb3 a6 26.Ba6 Rc6 27.Rc6 Qc6 28.Nd4 Qc7 29.Qb1 g6 30.Nb5 Qd7 31.Qc2 Qh3 32.Nd4 Nfg4=+ 33.f4 Ne3-/+ 34.Qe2 N5g4 35.Bb7=+ h5 36.Bc1= h4?? 37.Be3 hg3 38.Qg2?? gh2–+ 39.Qh2 Nh2 (40.Bd5 Qe3 41.Kh2 Qd4 42.Bf7 Qf4 43.Kg2 Qf7–+; better is 39...Qh2!? 40.Kf1 Ne3 41.Ke1 Qa2 42.Ne2–+) 0–1. Huelle,Gunter – Kinder,Jan, Leipzig VfB op 4th, 1997.

6.d4 Bb4 7.Bc3 Qa5=.

6.a4 a6 7.e3 ab5 8.ab5 Ra1 9.Ba1 Bd7 (9...Bd6 10.Nf3=+) 10.Nc3 (10.Nf3 Ne4=) 10...d4 (10...e5 11.Nf3 e4 12.Nd4=) 11.ed4= Nd5 (11...Bd6 12.Nf3=) 12.Qb3 (12.Bc4 Nb6 13.Bd3+=) 12...Nc3 (better 12...Nf6!?=) 13.dc3+/- Qb6 14.c4 Nc6 (14...Be7 15.c5 Qc7 16.Bd3+-) 15.Nf3 (15.c5 Qa7 16.Bc3 Nd8+-) 15...Na5 (15...Qa5 16.Bc3 Bb4 17.Kd2 Bc3 18.Qc3+/-) 16.Qb1 Ba3? (16...Nc6 17.Bc3 Ne7 18.Bd3+-) 17.Bd3 (17.Bc3 Be7+-) 17...0-0 (17...Qd8 18.Bc3 b6 19.0-0+-) 18.0-0 (better 18.Ne5 Be8+-) 18...g6?! (18...Qc7 19.c5 (19.Bh7?! Kh8+-) 19...Ra8 20.Bh7 Kh8 21.Bd3+-) 19.Bc3 (19.c5 Qa7+-) 19...Ra8 20.Ne5 (20.c5 Bc5 21.dc5 Qc5+-) 20...Qd8 21.Qc2 (21.c5!? b6+-) 21...Be7 22.Qe2 b6 (22...Bc8 23.Ra1 f6 24.Nf3+-) 23.Ng4 (23.c5 Bf6+-) 23...Nb7 (23...Ra7 24.Ra1+-) 24.Nh6 Kg7 25.Qd2?? (better 25.Nf7!? Kf7 26.Qf3 Kg8 27.Qb7+-) 25...Nd6 (better 25...Bg5!? 26.Nf7 Kf7=) 26.d5 (26.Ng4 f6+-) 26...Kf8 (26...f6 27.de6 Be6 28.Qe2+=) 27.Ng4 (better 27.Qf4 ed5 28.Qe5+-) 27...Nf5?? (27...ed5 28.Be2 dc4+-) 28.Bf5+- ef5 29.Qh6 Ke8 30.Qh7 Bc8 (30...fg4 31.Qg8 Bf8 32.Bb4+-) 31.Qg8 (better 31.Ne5 Qd7 32.Qg8 Bf8 33.Nd7 Bd7 34.Re1 Kd8 35.Qf8 Kc7 36.Be5 Kb7 37.Qd6 Rc8 38.Qd7 Rc7 39.Qc7 Ka8 40.Ra1) 31...Kd7 32.Nf6! Bf6 (32...Bf6 33.Qf7 Qe7 34.Qf6 Qf6 35.Bf6 Ra2+-). ClayPigeons (2125) - Clare05042001 (2110), Rated Bullet game, lichess.org, 2021.

6.a4 Bd6 7.e3 0-0 8.Nf3 Nbd7 9.Be2 a6 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Qb6 13.Nc3 Nc5 (better 13...e5=) 14.Qb3?? (better 14.Na4 Na4 15.Qa4=) 14...Nb3-+ 15.Bb2 e5 16.d3 (16.Bd1 Na5 17.d4 ed4 18.Nd4 Nc4-+) 16...e4 (better 16...d4 17.ed4 Nd4 18.Nd4 ed4 19.Ne4-+) 17.Nd4 (17.de4 de4 18.Ng5 Qc7-+) 17...Nd4 18.ed4 ed3 19.Bd3 Qd4 20.Rd1 Qh4 (20...Bh2!? 21.Kf1 Qb4 22.Ba1-+) 21.g3 Qh3 (21...Qb4 22.Ba1-+) 22.Bf1 Qh5 23.Be2 Bg4 24.Re1 Be2 25.Ne2 Ng4 (25...Re8 26.Bf6 gf6 27.Kg2 Re2 28.Rc1-+) 26.h4 Qf5 27.Bd4 Be5 28.Bc5 d4! 29.f4 (29.Bd4 Bd4 Combination; 29.Nd4 Qf2 Mate attack) 29...Ra8 30.fe5 Qf2 31.Kh1 Qh2 0-1. ClayPigeons (2195) - Lauti239 (2130), Rated Bullet game, lichess.org, 2020.

6.a4 Be7 7.e3 0-0 8.Nf3 Nbd7 9.Nc3 a6 10.d4 ab5 11.ab5 Ra1 12.Qa1 b6 13.Bd3 Bb7 14.0-0 Ne4 (14...Qc7 15.Rc1 Ra8 16.Qb1=) 15.Qb1 f5 16.Rd1 Ndf6 17.Qc2 Bd6 18.Qb3 (18.Ra1 Ng4 19.Nd1 Qb8=) 18...Qd7 (18...Ng4 19.Rf1 Ng5 20.Ne5 Be5 21.de5 Ne5 22.Be2-/+) 19.Nd2 (19.Ne5 Be5 20.de5 Ng4 21.Ne4 fe4=) 19...Kh8 (19...Ng4 20.Nce4 Bh2 (20...de4?! 21.Bc4 Bh2 22.Kf1=+; 20...fe4?! 21.Be2 Bh2 22.Kh1 Nf2 23.Kh2-+) 21.Kh1 de4-/+ (21...fe4?! 22.Be2 Nf2 23.Kh2-+)) 20.f3= Nd2 21.Rd2 h6 (21...Qc7 22.h3=) 22.Ne2 (22.Ba3 Ra8 23.Bd6 Qd6+=) 22...Qc7= 23.g3 Rc8 (23...Ra8 24.Nf4=) 24.Kf2 (24.Ba3!?+=) 24...Qd7 25.Nf4 Kh7 26.Ng2 (26.Ba3 Bc7=) 26...Rc7 (26...Qf7 27.Ba3 Ba3 28.Qa3 Ne4 29.fe4 fe4 30.Nf4=) 27.Nh4 (27.Ba3 Ne8=) 27...Bc8 28.Ba3 g5 29.Ng2 Qe7 30.h3?? (better 30.Bd6 Qd6 31.Rc2+=) 30...Ba3-+ 31.g4 Bb4 (31...Bd6 32.Qb1-+) 32.Re2 (32.Rc2 Bd6-+) 32...Kg7 33.gf5 ef5 34.h4 (34.Qb1 Bc3 35.Bf5 Bf5 36.Qf5 Qe8-+) 34...gh4 35.Nh4 (35.Nf4 Bd6-+) 35...Rc3 (better 35...Ne4 36.fe4 Qh4 37.Kg1 Rc1 38.Qd1 Rd1 39.Kg2 Qg4 40.Kh2 Rg1 41.ef5 Bd6) 36.Qb1 Ne4! 37.Be4 (37.fe4 Qh4 Double attack (37...Qh4 Discovered attack; 37...Qh4 Decoy)) 37...Qh4 38.Kf1 (38.Kg1 fe4 39.fe4 Ba3-+) 38...fe4 39.Rg2 Kh7 40.fe4 Qe4 (40...Rb3 41.Qc1 Qh1 42.Kf2 Qc1 43.Rg1 Qe3 44.Kg2 Qe4 45.Kf2 Qf3) 41.Qe1 (41.Qe4 de4 42.Rb2-+) 41...Qd3 (41...Bh3 42.Qg3 Rc1 43.Kf2 Be1 44.Ke2 Bg3 45.Rg3 Qc2 46.Kf3 Rf1) 42.Kg1-+ Qe3 (42...Rc7 43.Qf1 Qe3 44.Kh1 Rc1-+) 43.Kh1 (43.Qe3 Re3 44.Rf2-+) 43...Qe1 44.Kh2 (44.Rg1 Rh3 45.Kg2 Qe2) 44…Rh3 0-1. ClayPigeons (2160) - Niranjannad (2215), Rated Bullet game, lichess.org, 2021.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 cb5 6.cb5).

6.Nf3 Bd6 7.e3=+.

6.Nf3 Nbd7 7.Nc3 Bd6 8.e3 0-0 9.d4 (9.Be2 Nb6=) 9...Ne4 10.Ne4 de4 11.Nd2 Qa5 12.Qc2 Bb4 (12...Nf6 13.Bc3 Qc7 14.Nc4=) 13.a3+= Bd2 14.Qd2 Qd2 (14...Qb6 15.Rc1+=) 15.Kd2+/- Nb6 16.a4 Bd7 17.a5 Nd5 18.Bc4 Rfc8 19.Rhc1 Nc7 20.b6 ab6 21.ab6 Ra1 22.Ra1 (< 22.Ba1 Na8=+) 22...Na8 23.Be2 Nb6 24.Ra7 Bc6 25.Ba3 g6 26.Bc5 Nd5 27.Bd6 Rd8 28.Ba3 (28.Bg3 f6=) 28...e5 29.Bb2 (29.de5 Nf4 30.Ke1 Nd3 31.Bd3 ed3=) 29...ed4=+ 30.Bd4 Nf4 31.Ke1 (31.Bf1 f6=+) 31...Ne2 (31...h6 32.Bf6 Ng2 33.Kf1 Ne3 34.fe3+/-) 32.Ke2 (32.Bf6 Rc8 33.Ke2 h6=+) 32...Bb5 (32...h6 33.Bb6 Rd7 34.Bd4-/+) 33.Kd2 (33.Ke1 Ba6=) 33...Ba6 34.f3 ef3 35.gf3 Kf8 36.Ke1 (36.Kc3 Ke7=+) 36...Ke8 (36...Ke7 37.h3=+) 37.h3 f5 38.f4 (38.Kd2 Ke7=+) 38...Kd7 39.Kf2 (39.Kd2 Ke6-/+) 39...Kc7 40.Be5?? Kb6–+ 0–1. Landgraf,M – Andersson,Lars H, corr SOK–90–53, 1991.

6.a4 0-0 7.e3 d5 8.Nf3 Ne4 9.Be2 Nd7 10.0-0 Ndf6 11.d4 h6 (11...a6 12.Ne5=) 12.Nbd2 b6 13.Ne5 Bd6 14.Nc6 (14.Ne4 Ne4 15.f3 Nf6+=) 14...Qc7 15.Nf3 Bb7 16.Rc1 Rac8?? (better 16...Bc6 17.Rc6 Qe7+=) 17.Na7+- Qb8 18.Nc8 (18.Rc8?! Bc8 19.Nc6 Qc7+-) 18...Rc8 19.Rc8 Qc8 20.Ne5 Be5 (20...Nc3 21.Bc3 Qc3 22.Qc1+-) 21.de5 Nd7 22.Bd3 Ng5 23.h4 Ne4 24.Be4 de4 25.Qd6 Bd5 (25...Nc5 26.Rc1 (26.Qb6?! Na4 27.Qd4 Nb2 28.Qb2 Qd8+-) 26...Qa8 27.Bd4+- (27.Qb6?! Na4 28.Qd4 Nb2 29.Qb2 Qa5+-)) 26.Rc1 Nc5 (26...Qe8 27.Bd4 Nc5 28.Bc5 bc5 29.Rc5 Kh7+-) 27.Qb6 Na4 (27...Qa8 28.Qc5 Qa4+-) 28.Rc8 (28.Rc8 Kh7 29.Qd8 Nb6 30.Qh8 Kg6 31.Rg8 Kh5 32.Qg7 f5 33.Qg6 Kh4 34.Qh6) 1–0. BeepBeepImAJeep (2730) – emaur (1680), lichess.org, 2015.

6.e3 d6 7.Nf3 0-0 8.Be2 e5 9.0-0 Re8 (9...a6 10.Qa4=) 10.a4 (10.Nc3 a6=) 10...Bf5 11.Nc3 (11.a5 Nbd7=) 11...h6 (11...Nbd7 12.a5=) 12.d3 (12.Rc1 Nbd7=) 12...Nbd7 13.e4 Bg6 14.Nh4 (14.a5 Rc8=) 14...Bh7= 15.g3 (15.Rc1 Rc8=) 15...Nc5 (15...d5 16.ed5 Rc8 17.Rc1=+) 16.Nf5 (16.Nf3 Rc8=) 16...Bf5=+ 17.ef5 Qd7 18.g4 d5 19.f3 (19.f4 ef4 20.Rf4 d4-/+) 19...d4 20.Ne4 Nd5 21.Bc1 Ne4 22.de4 Nc3 23.Qd3 Rac8 24.Kh1 Ne2 25.Qe2 d3 26.Qe1 Rc2 27.Bd2 Rec8 28.Rc1 Ra2 29.g5 Bg5 30.Bg5 hg5 31.Rf2?? Rcc2 32.Rcc2 Rc2 33.Qe3?? d2 34.Kg2 (34.Rd2 Qd2 35.Qd2 Rd2 36.b6–+) 0–1. Bulcourf,Carlos – Labollita,Martin, Buenos Aires Intercoop, 2003.

5.a4 d4 6.Nf3 Bc5 7.e3 de3 8.fe3 0-0 9.Be2 Nbd7 10.0-0 Qc7 11.d4 Be7 12.Nbd2 (12.Bd3 c5+=) 12...c5 (better is 12...Ng4!? 13.Qb3 Bg5+=) 13.Qb3 b6 14.Rae1 Bb7 15.Bd3 Rad8 16.a5 h6 (16...ba5 17.Ra1+=) 17.ab6 ab6 18.Ra1 Bd6 19.Rfe1 e5 (19...cd4 20.ed4 (20.Bd4? e5–+) 20...Ra8 21.Ba3=) 20.Qc2 (20.d5 Ra8+=) 20...Rfe8 (20...Bf3!? 21.Nf3 Rfe8 22.de5 Ne5 23.Be5 Be5=) 21.d5+= Ra8 22.e4 Nf8 23.Nh4 Qe7 24.Nf5 Qd8 25.Ra8 Ba8 26.Ra1 Qd7 (26...Bb7!?+/-) 27.Nf3 Ng6 28.Ra6 Rb8? (28...Bc7 29.Ra7 Qd8 30.Qb1+/-) 29.g3 (better is 29.Qa4 Bb7 30.Rb6+-) 29...Ne7?? (better is 29...Qd8+/-) 30.Nd6+- Qd6 31.Be5 (31.Ne5?! Qc7+-) 31...Qd8 32.Bb8 Qb8 33.e5 Nd7 34.Qe2 Bb7 35.Ra1 (better is 35.e6 Nf8 36.Rb6 fe6 37.Re6 Nd5+-) 35...Ng6 (35...Nd5 36.cd5 Bd5 37.Be4+-) 36.Bg6 (better is 36.e6!? Ndf8 37.e7 Ne7 38.Qe7 Ng6 39.Bg6 fg6+-) 36...fg6 37.e6 Nf6 38.Qe5 Qf8 39.Nh4 (39.Ra7!? Bd5 40.cd5 c4+-) 39...Kh7 (39...g5 40.e7 Qe8 41.Nf5+-) 40.e7 (40.Ra7 Qc8+-) 40...Qf7 (40...Qe8+-) 41.Rf1 Qe8 42.Rf6 gf6 43.Qf6 g5 44.Qg6! (44.Qg6 Qg6 45.Ng6 Kg6 46.e8Q Kf6 47.d6 Bc8 48.Qc8 Ke5 49.d7 h5 50.d8Q h4 51.Qg4 hg3 52.Qe7#) 1–0. Dumontelle,Joe – Somer,T, Sept, 1979.

5.d3 Bb4 6.Nd2 cb5 7.cb5 Bd7 8.a4 Qa5 9.Bf6 gf6 10.Ngf3 a6 11.ba6 Ra6 12.g3 Ba4 13.Qc1 0-0 14.Bg2 Qc5 15.0-0 Nc6 16.Qc5 Bc5 17.Rfc1 Bd6 18.d4 b5 19.Nb3 Rb6 20.Nc5 Bc5 21.dc5 Rb7 22.e3 Bb3 23.Nd4 Nd4 24.ed4 Bc4 25.Bf1 Rbb8 26.Bc4 bc4 27.Ra7 Rb3 28.c6 Rb6 29.c7 Rc6 30.Rb1 c3 31.Kf1 c2 32.Rc1 Rc8 33.Ke2 R8c7 34.Rc7 Rc7 35.Kd3 e5 36.de5 fe5 37.Rc2 Rc2 38.Kc2 f5 39.f3 Kf7 40.Kd3 Ke6 41.h3 Kf6 42.g4 fg4 43.hg4 Kg5 44.Ke3 h6 45.Ke2 h5 46.gh5 Kh5 47.Ke3 Kg5 48.Ke2 Kf4 49.Kf2 d4 50.Ke2 Kg3 0–1. Abdullaevich (1620) – Antoun (1805), lichess.org, 2018.

6.Na3 Ba3-/+ 7.Ba3 (7.Ra3 cb5 8.ab5 Bd7-/+) 7...a6 (7...cb5 8.ab5 e5-/+) 8.e3 (8.ba6!? Ra6 9.Nf3-/+) 8...ab5–+ 9.ab5 cb5 10.Nf3 h5 (10...Nc6 11.Bb2 Ra1 12.Ba1-/+) 11.Qb1-/+ Bd7 12.Ne5 (better is 12.d3-/+) 12...Qa5?? (better is 12...Bc6–+) 13.Bb2+- Qb4 (13...Qa1 14.Ba1 Bc6 15.d3+- (worse is 15.Nc6 bc6 16.d3 cd3+-)) 14.Ra8 0-0 15.Be2 (15.Qc2 Na6 16.Ra7 Bc8+-) 15...b6 (15...Bc6 16.Qc1 Qe7 17.0-0+-) 16.0-0 (better is 16.Qa1!? Ne4 17.Nf3 Nc6+-) 16...Qd2 17.Nd7 (17.Ra2 Qb4+-) 17...Nfd7 (17...Nbd7 18.Rf8 Kf8 19.Bf3+-) 18.Bh5 Qd3 19.Qa1 f6 20.Rd1 Qe4 (20...Qf5 21.Ba3 Nc5 22.Bf3+-) 21.Bf3 Qc2 (21...Qg6+-) 22.Ba3 Nc5 23.Bc5 bc5 24.Qa7 b4 (24...Re8 25.Rb8 Rb8 26.Qb8 Kh7 27.Qe8+-) 25.Rb8 Rb8 26.Qb8 Kh7 27.Qe8 Qf5 (27...Qg6 28.Qe6 f5 29.Qc4+-) 28.h3 (28.Be4 Kh6 29.Qh8 Kg5 30.Qg7 Kh5 31.Rd8 Qf2 32.Kf2 f5 33.Rh8) 28...Qe5 29.Rd8 (29.Be4 Qe4 30.Qh5 Kg8 31.Rd8) 29...b3 30.Bh5 (30.Be4 Qe4 31.Qh5) 30...Qa1 31.Kh2 Qe5 32.g3 Qg3 33.fg3 e5 (33...c3 34.Qg6) 34.Qg6 1–0. Sie – Cpu, AI Factory's Chess, 2016.

6.e3 cb5 7.ab5 a6 8.Bc4= Nbd7 9.Nc3 (9.d4 Nb6 10.Bd3 Nfd5=) 9...Nb6 10.Be2 Bd7 (10...Bd6 11.Nf3=) 11.Nf3 (11.ba6 ba6 12.Ra6 Ra6 13.Ba6 Bd6+=) 11...ab5 12.Ra8 Qa8 13.Bb5 (13.Nb5 Qa4 14.Qa4 Na4 15.Bf6 gf6=) 13...Bb5 14.Nb5 Qa2 (14...Nfd5 15.Qc1=) 15.Nc7 (15.Bf6 gf6 16.0-0 Rg8+=) 15...Kd7 16.Qc1 (16.Bf6 gf6 17.Nb5 Qc4=) 16...Bd6= 17.Nb5 Rc8 18.Qa1?? (better 18.Bc3=) 18...Qa1-+ 19.Ba1 Rc1 20.Ke2 Rh1 21.Bc3 (21.Bd4 Nbd5-+) 21...Nfd5 (better 21...Nbd5!? 22.Bd4-+) 22.Bg7 Rb1 (22...Bb8 23.g3-+) 23.Nbd4 (23.Nd6 Kd6 24.Ng5 f5 25.Nh7 e5-+) 23...e5! 24.Nf5 (24.Ne5 Be5 Combination; 24.Be5 Nc4 Decoy) 24...Ke6 (24...f6 25.N3h4-+) 25.Ng3? (25.Nd6 Kd6 26.Be5 Ke7 27.e4-+) 25...Nd7 (25...f6 26.Bh6-+) 26.Ne4?? (better 26.Ng5 Ke7 27.Nf5 Ke8 28.Nd6 Ke7 29.Nf5 (worse 29.Ngf7 Rb6-/+) 29...Ke8 30.Nh7=) 26...f5 (better 26...f6 27.d4-+) 27.Nfg5 Ke7 28.Nd6 (28.Ng3 N7f6-+) 28...Kd6 29.Nf7 (29.Nh7 Rg1 30.g3 e4-+) 29...Ke7 (better 29...Ke6!? 30.Ng5 Ke7 31.Nf3-+) 30.Ne5 Ne5 31.Be5 b5 32.f3 b4 33.e4 fe4 34.fe4 Nf6 35.d3 b3 (35...Ng4 36.Bd4 Nh2 37.Kd2-+) 36.Kd2 Rg1 37.g3 (37.Kc3 Ng4 38.Bd4 Rg2 39.Kb3 Rh2 40.Bc5 Ke6 41.Kc3-+) 37...Rg2 38.Kc3 (38.Kc1 Ng4 39.Bb2 Nh2-+) 38...Rh2 (38...b2 39.Bf6 Kf6 40.Kb3 b1Q 41.Kc4 Rc2 42.Kd5 Qb5 43.Kd6 Qd3) 39.Kc4 (39.Kb3 Rg2 40.Kc4-+) 39...b2 40.Bb2 Rb2 41.Kd4 Rg2 42.g4 (42.Kc4 Ke6 43.g4 Ng4-+) 42...Rg4 43.Ke3 (43.Ke5 Nd7 44.Kf5 h5-+) 43...h5 44.d4 Ke6 45.Kf3 Re4 46.d5 Kd5 47.Kg3 If White now only could play Rg4+... 47...Ke5 48.Kf2 Kd4 (48...Ng4 49.Kf3 Re3 50.Kg2 Kf4 51.Kg1 Kg3 52.Kf1 Nh2 53.Kg1 Re1) 49.Kg3 (49.Kg2 Re2 50.Kh1 h4 51.Kg1 Ne4 52.Kf1 Rf2 53.Ke1 h3 54.Kd1 h2 55.Ke1 h1Q) 49...Ke3 50.Kg2 Rf4 (50...Rg4 51.Kh2 Kf2 52.Kh3 Ne4 53.Kh2 Rh4) 51.Kg1 Rf2 52.Kh1 Kf3 53.Kg1 Rb2 54.Kh1 Rc2 (54...Ng4 55.Kg1 Rb1) 55.Kg1 Ra2 (55...Ng4 56.Kh1 Rc1) 56.Kh1 Kg3 57.Kg1 Ra1 0-1. ClayPigeons (2105) - medtner70 (2035), Rated Bullet game, lichess.org, 2020.

6.e3 cb5 7.ab5 Nbd7 8.Bc4 Be7 9.Nf3+= Nb6 10.Be2 0-0 11.0-0 Bd7 12.Nc3 Nfd5 13.Nd5 Nd5 14.Bd4 b6 15.Ne5 Bf6 16.f4 Be5 17.fe5+- Qe7 18.Bd3 h6 19.Rf6 Rfd8? 20.Qh5?? gf6–+ 21.ef6 Nf6?? 22.Qh6+- e5 23.Rf1 Bb5= 24.Qg5 Kf8 25.Qh6 Kg8 26.Bb5 Ne4?? 27.Bc4+- Rd6 28.Qh5 Ng5 29.Rf5 (29.Rf5 Re8 30.Rg5 Qg5 31.Qf7 Kh8 32.Qe8 Kh7 33.Be5 Rd8 34.Qf7 Kh6 35.Bf4 Qf4 36.Qf4 Kg6 37.Qg4 Kf6 38.Qh4 Kg6 39.Qd8 b5 40.Qg8 Kf5 41.Qf7 Kg5 42.Bb5 a5 43.Be8 a4 44.Qf4#) 1–0. Brauer,Christian – Neiderwitz, corr, 1976.

6.e3 cb5 7.ab5 Ne4+=.

6.e3 cb5 7.ab5 Be7 8.Bc4= 0-0 9.Nf3 Nbd7 10.d4 Nb6 11.Be2 Bd7 12.0-0 Nfd5 13.Nc3 Bf6 14.Nd5 Nd5 15.Qb3 Qe8 16.Ba3+/- Be7 17.Ne5 Ba3 18.Ra3 Qe7 19.Rfa1+- a6 20.ba6 ba6 21.Ra6 Rab8 22.Qa3+- Qd8 23.Rd6 Nb6?? 24.Bb5 Qc7?? 25.Rd7 Nd7 26.Nd7 Rb5 27.Qf8 (27.Nf8 Qb8 28.Qd3 Kf8 29.Qh7 Ke7+-) 1–0. toll (1640) – Okeydokey (1800), ICC, 2003.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 cb5 6.cb5).

6.a4 Bd6 7.e3 0-0 8.Nf3 Bg4 9.h3 Bh5 10.Be2 a6 11.Nc3 Nbd7 12.bc6 bc6 13.0-0 Rb8 14.Ba3 Ba3 15.Ra3 a5 16.Rb3 Qc7 17.Nd4 Bg6 18.f4 Nc5 19.Rb8 Rb8 20.f5 1–0. Abdullaevich (1935) – Saminam (1985), lichess.org, 2020.

5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4).

5.e3 Bd6 6.Nf3 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0-0 6.c4 c6).

5.e3 Bd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd7 5.c4 c6).

5.e3 Be7 6.Nf3 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.c4 c6).

5.e3 Be7 6.Nf3 0-0 7.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0-0 7.c4).

5.a4 a6 6.Nc3 ab5 7.ab5 Ra1 8.Qa1 d6 (8...d5 9.e3=) 9.Nf3 0-0 10.e3 d5 11.Be2 dc4 12.Bc4 cb5 13.Nb5 Nc6 14.0-0 Qa5 15.d4 (15.Qa5 Na5 16.Be2 Bd7+=) 15...Qa1 16.Ra1 Bd7 17.Nd2 Nb4 18.Rb1 Rb8 (18...Ra8 19.e4=) 19.e4 (19.Ba3 Nfd5 20.Bd5 Nd5 21.Be7 Ne7 22.f3+=) 19...Na6 (19...Ra8!?=) 20.f3 (20.Bc3 Ra8+/-) 20...Ne8 21.d5 (21.Bc3 Nac7+=) 21...Nd6 (21...ed5 22.ed5 Rc8 23.Be5=) 22.Nd6 Bd6 23.Bd4 (23.de6 fe6 24.e5 Be7+=) 23...b5= 24.Bb3 Bc5 25.Bc5 Nc5 26.d6 Rb6 27.Bc4 (better is 27.e5!?=) 27...Rd6-/+ 28.Bb5?? (better is 28.Nb3 Ne4 29.Bb5-/+) 28...Rd2–+ 29.Rc1 (29.Bd7 Nd7 30.h4 Kf8–+) 29...Nb7 (29...Bb5 30.Rc5 Bd7 31.h4–+) 30.Rc7 (30.Bd7 Rd7 31.Rc8 Nd8–+) 30...Bb5 31.Rb7 Be8 32.h4 g6 33.Kh2 (33.Rb8 Kf8–+) 33...Kg7 34.Kh3 Rd1 (34...Bd7 35.Rc7–+) 35.g4 (35.Kg3 Kf6–+) 35...Rd3 36.Kg3 Bc6 37.Rb4 Rd1 (37...f5 38.Kf4 Kf6 39.g5 Ke7 40.Rb8–+) 38.g5 (38.Rc4 Bb5 39.Rc5 Rb1–+) 38...h5 39.Rc4 Bb5 40.Rc2 Rd3 41.Rc7 (41.Ra2–+) 41...Ba4 42.Kf2 (42.Kf4 Bd1 43.Ke5 Rf3–+) 42...Bd1 43.Rc1 (43.f4 Bg4–+) 43...Bf3 44.Re1 (44.Rc4 Bg4–+) 44...Bg4 45.Re3 (45.Kg2 Rh3–+) 45...Rd2 (better is 45...Re3 46.Ke3 e5 47.Kf2–+) 46.Kg3 Rd1 47.e5 (47.Kg2 Rb1–+) 47...Bf5 48.Kg2 Rd3 (48...Rd3 49.Rd3 Bd3–+) 0–1. Nikolic,Jovane (1710) – De Almeida,Jefferson Silva, Mogi das Cruzes Brazil, Open, 2013.

5.a4 d5 6.e3 a6 7.Nc3 ab5 8.ab5 Ra1 9.Qa1 0-0 10.Nf3 Bd6 11.d4 dc4 12.Bc4 cb5 13.Bb5 Nc6 14.0-0+= Bd7 15.Bd3 Qa8 16.Nb5 Be7 17.Nd2 Nb4= ½–½. katchum (1690) – rhand (1775), net–chess.com, 2001.

5.Nc3 d5 6.e3 cb5 7.cb5 Nbd7 8.d4 0-0 9.Nf3 a6 10.Bd3 Nb6 11.0-0 Bd7 12.a4 Bb4 13.Ne5 h6 14.Qb3+= Bd6 15.Nd7 Nbd7+= 16.Rfc1 a5 17.Ne2 Nb6 18.g3 Qd7= 19.Ba3 Rfc8 20.Rc8 Rc8= 21.Bd6 Qd6 22.Rc1 Rc1 23.Nc1 Qb4 24.Qb4+= ab4 25.a5 Nc4 26.Bc4 dc4= 27.a6 ba6 28.ba6 Ne8 29.Na2 b3 30.Nc3 Nc7 31.a7 Kf8 32.Kf1 Ke7 33.Ke2 Kd7 34.Kd2 Kc6 35.Na4 Kb5 36.Nc3 Kb6 37.Na4 Ka7 38.Kc3+= Nd5 39.Kb2?? Ka6–+ 40.e4 Nf6 41.f3 Ka5 42.Nc5 Kb4 43.Na6 Kb5 44.Nc5 e5! 45.de5 ½–½. mic (2125) – arunchess (2490), net–chess.com, 2008.

5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 cb5 9.cb5 d5 10.Nf3 Nbd7 11.d4 Bb4 12.Bc3 Bc3 13.Nc3 Qa5 14.Qa4 Qc3 15.Ke2 Nb6 16.Qd1 Nc4 17.Nd2 Nd2 18.Qd2 Qc7 19.f3 0-0 20.Kf2 Bd7 21.Bd3 Qb6 22.g4 Bb5 23.Rb1 Qd6 24.Rb5 Qh2 25.Ke1 Qh1 26.Kf2 Qh2 27.Ke1 ½–½. Woelfelschneider,Peter – Jackiw, Bessenbach, 1982.

5.e3 cb5 6.cb5 Qb6 7.Qb3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d6 11.Nf3 e5 12.Be2 Be6 13.Bc4 d5 14.Be2 Nbd7 15.d4 0-0 16.de5+= Ne4 17.0-0 Ndc5 18.Qc2 Rc8 19.Rc1 Bf5 20.Qa2 Be6 21.Bd4 g5? 22.Nfd2 Nd2 23.Nd2 Qc7 24.Nb3 b6 25.h3 Qb7 26.Bf3 Nb3 27.Rc8 Qc8 28.Qb3 Qc1 29.Kh2 Qc4 30.Qc4 dc4 31.Bb6 c3 32.Be4 Bd5 33.Bc2 Bc4 34.Bd4 Bb4 35.b6 Bd5 36.Kg3 h5 37.e4 Bb7 38.Kf3 Kf8 39.Ke3 Ke7 40.Kd3?? Ba6= 41.Ke3 Kd7?? 42.g3 Kc6 43.f4 Bc5?! 44.fg5 Bb6 45.Bb6 Kb6 46.e6! fe6 47.g6 e5 48.Bd3 c2 49.Bc2 Bc4 50.Bd1 Kc6 0–1. carocan (1750) – superos69, kurnik, 2011.

5.e3 c5 6.Nf3= d6 7.Be2 Nbd7 8.0-0 0-0 9.d4 Ne8 10.Nc3+= f5 11.Qc2 e5 12.Nd5 e4 13.Nd2 Bg5 14.Nb3 b6 15.f4 Bh6 16.Rad1 Nc7 17.dc5 dc5 18.Qd2 Rf7 19.g4 g6? 20.gf5+- Rf5 21.Nc7 Qc7 22.Bg4 Rf7 23.Be6 Rb8 24.Bf7 Kf7 25.Qd5 Kf8 26.Qe6 Qd8 27.Be5 Rb7 1–0. Zahn,Richard – Beckmann,Arne, NR–ch Germany, 1997.

5.e3 d6 6.Nf3 0-0 7.a4 a6 8.Be2 Bd7 9.0-0= Qc7 10.d4 Rc8 11.Nbd2 cb5 12.ab5+= d5 13.c5 Ne4 14.Qc2 Nd2 15.Qd2 f6 16.Rfc1 g5 17.g3 Kf7 18.Bd3 Rh8 19.Qe2 h5 20.ba6 ba6 21.Ba6 Na6 22.Ra6 Ra6 23.Qa6 Bc8 24.Qa8 Qb7 25.Qb7 Bb7 26.Ba3 Bc6 27.Rb1 Ra8 28.Bc1 Bd8 29.Bd2 Bc7 30.h3 Kg7 31.Kg2+/- Kg6 32.Be1 Bd8 33.Ng1 Bc7+= 34.Ne2 Ra2 35.Nc3+/- Ra8 36.Nd1 Rb8 37.Rb8+/- Bb8 38.Ba5 Kf7 39.Bb6 Ke7 40.Kg1 Ke8 41.Nc3 Kd7 42.Na2 Bc7 43.Bc7+/- Kc7 44.Nb4 Kb7? 45.Kf1 Bb5+/- 46.Ke1 Kc7 47.f4 gf4 48.ef4 f5 49.Kf2 Be8 50.h4 Bf7 51.Ke3 Be8 52.Kd3 Bb5 53.Kc3 Kb7 54.Nd3 Be8 55.Kb4 Ka6 56.Ne1 Kb7 57.Ka5 Ka7 58.Nf3 Kb7 59.Ng5 Bd7 60.Nf7 Kc7 61.Ng5?? Kb7 62.Nh7 Be8 63.Nf6 Bf7 64.Kb5 Kc8 65.Kc6 e5?? 66.fe5 Kd8 67.Kd6 Kc8 68.e6 Be6 69.Ke6 Kd8 70.Kf5 1–0. Rongen – Maalcke, Dieren, 1995.

5.Nf3 d6 6.e3 e5 7.Be2 Bg4 8.h3 Bh5 9.Nc3 Nbd7 10.0-0 0-0 11.d4 Qc7 12.Rc1 Rfe8 13.Re1 Rac8 14.Qb3 Qb8 15.de5 de5 16.Nh4 Be2 17.Re2 Nc5 18.Qc2 g6 19.Nf3 cb5 20.Nb5 a6 21.Be5 Qa8 22.Nc7 Rc7 23.Bc7 Nfd7 24.Rd2 Qc8 25.Bf4 Bf6 26.Rcd1 Nf8 27.Rd5 Ne4 28.Nd4 Bg7 29.f3 Nf6 30.Rd6 Nh5 31.c5 Nf4 32.ef4 Qc7 33.Ne2 Qe7 34.Ng3 Qe3 35.Kh1 Qf4 36.Ne2 Qh4 37.f4 Qf2 38.R6d2 Bh6 39.g3 Bg7 40.Qd3 Qc5 41.Nd4 Rd8 42.Nb3 Qc6 0–1. Gross – Feiertag, tt Bundesbahn, 1987.

6.e3 a6 7.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0-0 7.c4 a6).

6.e3 d5 7.d4 a6 8.Qb3 Qd6 9.c5 Qd8 10.b6 Re8 11.Nf3 Nbd7 12.Bd3 h6 13.Nbd2 Nh7 14.Qc2 Ng5 15.Ng5 Bg5 16.f4 Be7 17.0-0 Nf6 18.Rf3 Bf8 19.Raf1 Qe7 20.e4 de4 21.Ne4 Nd5 22.Bc4 Qd7 23.Rg3 Be7 24.Qe2 Qd8 25.Qh5 f5? 26.Qh6+- Bf6 27.Nf6 Qf6 28.Rg6 Ne3 29.Qh5 Qd8 30.Rf3?? Ng4?? 31.Rh3 Nh6 32.Qh6 1–0. Larios,Francisco Javier – Gonzalo Borao,David, Aragon–ch Preferente, 2002.

6.d4 cb5 7.cb5 d5 8.Nf3 Qa5 9.Bc3 Bb4 (9...Qc7 10.Bd3=) 10.Bb4 Qb4 11.Qd2 Qd2 12.Nbd2 Bd7 13.Rc1 a6 14.a4 Rc8 15.Rc8 Bc8 16.Ne5 Nbd7 17.Ndf3 Ne4 18.Bd3 (18.ba6 ba6 19.Bd3 Ne5 20.Ne5 Rb8+=) 18...Ndf6 (better is 18...ab5!? 19.Bb5 Nb6-/+) 19.0-0 ab5 20.Bb5 b6 (20...Nd6!? 21.Rc1 Nfe4=) 21.Bc6+/- Rb8 22.Rc1 h6 23.Bb5 Nd6 24.Nc6 (24.Rc7 Bb7+=) 24...Ra8= 25.Ne7 Kf8 26.Nc8 Rc8 27.Rc8 Nc8 28.Ne5 Nd6 29.Bd3 Ke7 30.f3 Nd7 31.Nc6 Kf6 32.h4 g5 33.hg5 hg5 34.g3 Kg7 (34...e5 35.Kf2=) 35.Kf2 f5 36.f4 Kf6 (36...g4 37.Ne5 Ne5 38.fe5=) 37.Ne5+= Nb8 38.fg5 Kg5 39.Kf3 Ne4 40.Bb5 (better is 40.Be4 de4 41.Kg2+=) 40...Nf6 (better is 40...Nd2 41.Kg2 Ne4=) 41.Nf7+/- Kg6 42.Nd8 Nh7 43.Ne6 Kf6? (43...Ng5 44.Ng5 Kg5+/-) 44.Nf4 Ng5 45.Kg2 Ne4 46.Nd5 Ke6 47.Nb6 Nc3 (47...Kf6 48.Bd3 Nc3 49.a5+-) 48.Be8 (48.Kf3!? Kd6+-) 48...Kd6 49.a5 Nc6 (49...Ke7 50.Bh5+-) 50.a6 Nb5 (50...Kc7 51.Bc6 Kb6 52.Bb7+-) 51.Na4 Nc7 52.Bc6 Kc6 53.Nc5 Kb6 54.Kf3 Nd5 55.e4 fe4 56.Ke4 Nc7 (56...Nc3 57.Ke5 Nb5 58.g4+-) 57.g4 1–0. katchum (2535) – grem (2425), net–chess.com, 2014.

6.Nf3 b6 7.Be2 cb5 (7...d5 8.Qa4=) 8.cb5 d5 9.0-0 Bb7 (9...a6 10.Qa4=) 10.a4 Nbd7 11.Nc3 Rc8 12.d4 Bb4 (12...Ne4 13.Rc1=) 13.Qb3+= Ba5 (13...Qe7 14.Ba3 Ba3 15.Qa3 Qa3 16.Ra3=) 14.Rfc1 Ne8? (better is 14...Ne4+=) 15.Ba3+- Ndf6 (15...Nef6 16.Bf8 Qf8 17.Na2+-) 16.Bf8 Kf8 17.Bd3 (17.Rc2 Nd6+-) 17...Nd6 18.Ne5 (18.Ne2 Kg8+-) 18...Kg8 19.Na2 (19.Rc2 Nfe4 20.Be4 de4+-) 19...Nfe4 20.Be4 (20.Rc8 Bc8 21.Qc2 Bb7+-) 20...de4 (20...Rc1 21.Rc1 Ne4 22.Qc2+-) 21.Rc8 Nc8 (21...Qc8 22.Rc1 Qd8 23.Nb4+-) 22.Nb4 Qc7 (22...Bb4 23.Qb4 Nd6 24.a5+-) 23.Qc2 (23.Nbc6 Nd6+-) 23...Qd6? (better is 23...Qc2 24.Nc2 Bd5+-) 24.Nbc6 f6 (24...Bb4 25.Nb4 Qb4 26.Qc7+-) 25.Na5 (25.Nc4 Qd7 26.N4a5 ba5+-) 25...ba5 26.Nc6 Bc6 (26...Nb6 27.Na7 Nd5 28.Qe4+-) 27.Qc6 Qd8 (27...Qc6 28.bc6 Kf7 29.Rb1+-) 28.Qe6 Kf8 (28...Kh8 29.Qe4 Nd6 30.Qd5+-) 29.Qe4 Qc7 (29...Kg8 30.Rc1 Nd6 31.Qd5 Kf8 32.Rc6+-) 30.Qc6 (30…Qb8 31.Rc1+-; 30.Qh7 Nb6+-) 1–0. Herm,Florian – Donkoff,Georg, Baden–ch AT1, 2003.

6.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.c4 c6).

6.Nf3 Ne4 7.Qc2 Bf6 (7...d5!?=) 8.d4+= (8.Qe4?? Bb2 9.Nc3 Ba1–+) 8...Ng5 9.Nbd2 b6 (9...Nf3 10.Nf3 d5 11.cd5 ed5 12.Bd3+=) 10.Bd3 (10.Ne5 Be5 11.de5 h6+-) 10...h6 (10...Nf3 11.Nf3 h6 12.0-0+=) 11.a4 (11.Ng1 e5 12.de5 Be7+-) 11...Bb7 12.Ng5 Bg5 13.0-0 c5 (13...a6 14.c5+/-) 14.f4 (14.a5 d6+/-) 14...Bf6 15.a5 ba5 (15...d5 16.a6 Bc8 17.Ne4+-) 16.Nb3 (16.dc5 Bb2 17.Qb2 a6+-) 16...cd4+/- 17.Na5 (17.Nd4?! a6=) 17...Qc7 18.ed4 d6 (18...a6!?+/-) 19.Nb7 Qb7 20.Be4 (20.f5!? Nd7 21.fe6 fe6 22.Qe2+/-) 20...d5+= 21.Bf3 Rc8 22.Qe2 Rc4?? (better is 22...a6+=) 23.Qc4!!+- Nd7 24.Qc6 Qc6 25.bc6 Nb6 26.Be2 a5 27.Rfc1 1–0. Dumontelle,Joe – Boudreau,M, Aug, 1979.

6.Nc3 d5=.

6.e3 0-0 7.Nc3 d5 8.Na4 Qc7 9.c5 cb5 10.Bb5 Ne4 11.d4?? Qa5–+ 12.Nd2 Nd2 13.Qd2 Qb5 14.Nc3 Qa6 15.a4 b6 16.Nb5 Qb7 17.Ba3 bc5 18.dc5 Qc6 19.Rc1 Ba6 20.Qa5 Bd8 21.Qb4 Nd7 22.Nd4 Qc7 23.c6 Rb8 24.cd7?? Rb4 25.Rc7 Rb1?? 26.Kd2?? Rh1= 27.Bf8?? Bc7–+ (28.Bd6 Ba5 29.Kc2 Rf1–+; 27...Kf8 28.Ra7 Rh2 29.Ra6=) 0–1. Dopper,Johan – Baris,Hans, 1993.

6.e3 d5 7.a4 dc4 8.Bc4 0-0 9.0-0 cb5 10.ab5 Nbd7 11.d4 Rd8 12.Qe2 Qc7 13.Rc1 Qb8 14.e4 Nb6 15.Bd3 Ng4 16.e5 g6 17.Bc3 Nd5 18.Bd2 Kg7 19.Nc3 b6 20.Nd5 ed5 21.h3 Nh6 22.g4 Qb7 23.Rc2 Be6 24.Nh2 Qd7 25.f4 Rac8 26.Rca2 Rc7 27.Qe3 Ng8 28.Rf1 f5 29.ef6 Nf6 30.f5 gf5 31.Qh6 Kh8 32.Bf4 Rc3 33.Be5 Rg8 34.Bf6 Bf6 35.Qf6 Rg7 36.Bf5 Bf5 37.Rf5 Rh3 38.Rg5 Qe7 39.Qg7 Qg7 40.Rg7 Kg7 41.Ra7 1–0. Alamaki,Kauko – Matilainen,Mikko, corr Finland, 1984–85.

5.a4 a5 6.c4 c5 7.Nf3+= d6 8.d4 b6 9.Na3 Bb7 10.Be2 h6 11.0-0 Be7 12.Qb3 Nbd7= 13.Nc2 0-0 14.Rad1 Ne4 15.Nd2 Nd2 16.Rd2 Nf6 17.dc5 bc5 18.Qc3 e5 19.Qb3 Qb6 20.Ne1 Ne4 21.Rd1 Ng5 22.f4 Ne4 23.fe5+/- de5 24.Be5 Rad8 25.Nd3 Bh4 26.Bb2 Bg5 27.Nf4 Nd2 28.Rd2 Rd2 29.Qc3 Rd4?? 30.ed4+- cd4 31.Qd4 Qd4 32.Bd4 Re8 33.Bf3 Bf4 34.Bb7 Be3 35.Be3 Re3 36.Bd5 Ra3 37.Rf7 Ra4 38.Ra7 Kf8 39.b6 Rb4 40.b7 a4 41.Ra8 Ke7 42.b8Q Rb8 43.Rb8 a3 44.Ra8 a2 45.Ra2 Kf8 46.Re2 (46.Re2 h5 47.c5 g6 48.c6 Kg7 49.c7 Kh6 50.h4 Kg7 51.c8Q Kh7 52.Re7 Kh6 53.Qf8) 1–0. Nielsen,Joergen Axel – Moeller Hansen, Nakskov, 1970.

5.a4 ab5 6.ab5 Ra1 7.Ba1 Qa5 8.Nc3 Bb4 9.Nf3 0-0 10.Be2 d5 11.0-0 Nbd7 12.bc6 bc6 13.Nd4 c5 14.Nc6 Qb6 15.Nb4 Qb4 16.Qe1 d4 17.ed4 cd4 18.Nb5 e5 19.c3 dc3 20.Bc3 Qc5 21.Qa1 Bb7 22.Qb1 Nd5 23.h3? Nf4–+ 24.Bg4 Nf6 25.Re1 Ng4 26.hg4 Bg2 27.Re5 Qc6 28.Nd4 Qh6 29.Rh5 Nh5 30.gh5 Qg5 31.Kh2?? Ba8 32.Qg1 Qh4 0–1. deross – murzyn1500, kurnik, 2011.

5.ba6 b6 6.Nf3=.

5.c4 ab5 6.cb5 d5 7.a3 Bd6 8.Be2 0-0 9.Nf3 Bd7 10.bc6 Bc6 11.0-0 Ba4 12.Qc1 Ra5 13.d4 Nbd7 14.Nc3 Bc6 15.Qc2 e5 16.de5 Ne5 17.Ne5 Be5 18.f4 Bd6 19.Qc1 Re8 20.Nd1 Ba4 21.Bd4 Qd7 22.Bf6 gf6 23.Nc3 Bb3 24.Rf3 Kh8 25.Nb1 Rg8 26.Qc3 Qa4 27.Qf6 Rg7 28.Rg3 Bf8 29.Rg7 Bg7 30.Qd8 1–0. Machete99 – Killerkabayo, ICC, 2002.

5.c4 Ne4?! 6.Nc3 Nd6?? 7.bc6 dc6 8.c5 Nf5 9.g4 Nh4 10.d4 Be7 11.Nf3 b6 12.Nh4 Bh4 13.cb6 Qb6 14.Rb1 Qa5 15.Bc4 Qg5 16.Qf3 0-0 17.Ba3 Re8 18.Ne4 Qg6 19.Bd6 Nd7 20.0-0 f5?? 21.Qf5 Kh8 22.Qg6 1–0. vik – gaml, internet, 2001.

5.bc6 Nc6=+ 6.Nf3 Be7 7.Be2 0-0 8.0-0 d5 9.c4 dc4 10.Bc4 b5 11.Be2 Bb7 12.d4 Rc8 13.Nbd2 Qb6 14.Bd3 Rfd8 15.Qe2 Nb4-/+ 16.Rfc1 Rc1 17.Bc1 Nfd5 18.Ne5 Nd3–+ 19.Nd3 Nc3 20.Qf1 a5 21.Nb3 b4 22.Nbc5 Bd5–+ 23.a3 Bc4 24.ab4-/+ ab4 25.Qe1 Qb5 26.Ra7=+ Bd3 27.Re7 Ra8 28.Bb2 Na4 29.Na4 Ra4=+ 30.h4 h6 31.Qc1 Qc4 32.Qc4 Bc4 33.Rc7 Ra2 34.Bc1? Rc2 35.Bb2 b3 36.Rc8 Kh7-/+ 37.Kh2 Rb2–+ 38.Rc4 Rf2 39.Kg3 Rc2 40.Rb4 b2 41.e4 Kg6 42.d5 ed5 43.ed5 Kf6 44.d6 Ke6 45.Rb6 Rd2 46.Kf3 g6 47.Kg3 f5 48.Kf3 g5 49.hg5 hg5 50.Kg3? g4 51.Kf4 Rg2 52.Kg5 Rf2 53.Kh4 Kd7 54.Kg3 Rd2 55.Kf4 Ke6 56.Kg3 Ke5 57.Kh4 Rd6 58.Rb2 Rd3 59.Rb5 Ke4 60.Kg5 g3 61.Kh4 g2 62.Rb1 f4 63.Rg1 f3 (63...f3 64.Kg3 Re3–+) 0–1. Herdin,Hans Ulrich (2070) – Schindler,Viktor (2140), Regionalliga NW, 2004.

5.a4 ba4-/+ 6.Ra4 Nc6 7.Nf3 Be7 8.Be2 0-0 9.0-0 d5 10.Nc3 Bd7 11.Ra1 a5 12.h3 Na7 (12...e5 13.Nb5 Qb6 14.Rb1-/+) 13.d4 (13.Ba3!? Ba3 14.Ra3-/+) 13...b5–+ 14.Ne5 b4 15.Nd7 bc3 (better is 15...Qd7 16.Na4 Rfb8-/+) 16.Nf6= (16.Nf8? cb2 17.Ra2 Bf8 18.Rb2 Qc7–+) 16...Bf6 17.Bc3 Nc6 18.Bb2 Be7 (18...Qc7 19.c4=) 19.c4 dc4 20.Bc4 Qb6 21.Qe2 a4 22.Rfb1 Rfb8 23.Bc3?? (better is 23.Qd1+=) 23...Qb1-/+ 24.Rb1 Rb1 25.Kh2 a3 (better is 25...Nb4!?–+) 26.d5+= Nd8 27.de6 Ne6 28.Qg4 (better is 28.Be6 fe6 29.Qg4+=) 28...g6?? (better is 28...Ra4 29.Qe2 Bd6 30.g3 Rb7-/+) 29.Be6+- fe6? (better is 29...Rc1 30.Bf7 Kf7 31.Qf3 Ke6 32.Qa8 Rc3+/-) 30.Qe6 (better is 30.Qd4 Kf7 31.Qg7 Ke8 32.Qg8 Kd7 33.Qa8 Bd6 34.f4+-) 30...Kf8= 31.Qe5 Rbb8?? (better is 31...Ra6 32.Qh8 Kf7 33.Qh7 Ke8 34.Qg8 Kd7+=) 32.Qh8+- Kf7 33.Qh7 Ke8 34.Qg6 Kd7 35.Qg7 (35.Qf5 Ke8+-) 35...a2 36.h4 (36.f4 Ra3 37.e4 Rb6+-) 36...Ra4 (36...Rf8 37.f4+-) 37.Bf6 (better is 37.g4+-) 37...Re4?? (37...Re8 38.f4 Ra3 39.e4+-) 38.h5 (38.Be7 Re7 39.Qd4 Ke6 40.Qc4 Kf6 41.Qa2 Rb4+-) 38...Kd6?? (38...Ra8+-) 39.h6 (better is 39.Be7 Re7 40.Qd4 Ke6 41.Qc4 Kf6 42.Qa2 Reb7+-) 39...Bf6 40.Qf6 Re6 41.Qd4 Ke7 (41...Kc6 42.Qa4 Kd6 43.Qa2 Rh6 44.Kg3 Rg6 45.Kf3 Rf8 46.Ke4 Re6 47.Kd3 Rd8+-) 42.Qa7 Kf6 43.Qb8 a1Q 44.Qh8 (44.Qh8 Kf7 45.Qa1 Rh6 46.Kg3 Rg6 47.Kf3 Rf6 48.Qf6 Kf6 49.Kf4+-) 1–0. zabazaba (1655) – pafkatabg, gameknot.com, 2013.

5.Nf3 a6 6.Be2 Nc6 7.0-0 d6 8.a4 Be7 (better 8...ba4 9.c4 Be7=+) 9.ab5+= ab5?? (better 9...Nb8+=) 10.Ra8+- 0-0 (10...b4 11.d4+-) 11.Bb5 Qc7 12.Ra1 Nb4 13.c4 Bd7 14.Bd7 Nd7 15.d3 h5 (15...Nc5 16.Ne1+-) 16.Nbd2 (16.Qd2 Nc6+-) 16...Nf6 (16...Nd3 17.Bd4+-) 17.h3 (better 17.Qb3 Nc6+-) 17...Nd3 18.Bd4 Nc5 19.Nb3 (19.Ra7 Nfd7+-) 19...Nfe4 (19...Na6 20.Qe2+-) 20.Nc5 Nc5 21.Bc5 (21.Nd2 g6+-) 21...dc5 (21...Qc5 22.Rb1 Rb8 23.Qd3+-) 22.Qb3 b6 23.Rab1 (23.Ra6 Rb8+-) 23...Bd8 (23...Rb8 24.Qb5+-) 24.Nd2 (24.Qb5 g5+-) 24...Qe5 25.Nf3 Qe4?? (25...Qc7 26.Rfd1 g5+-) 26.Qb5 g5 27.Qd7 (27.Nd2 Qh4+-) 27...g4 (27...Qc4 28.Rfd1 Qe4 29.Qd6+-) 28.Nd2 Qg6 29.hg4 hg4 30.Qd6 Bf6 (30...Kg7 31.f3+-) 31.Qg3 (31.Rb6 Rd8 32.Rb8 Rb8 33.Qb8 Kg7+-) 31...Kg7 (31...Rd8 32.Rbd1+-) 32.f3 Qd3 (32...Bg5 33.Rb3+- (worse 33.fg4 Qd3 34.Nf3 Be3 35.Kh1 Bd4+-)) 33.Qg4 Kh8 34.Ne4 (better 34.Qf4 Bg7 35.Rfd1+-) 34...Rg8 (34...Qe3 35.Kh1 Qh6 36.Qh3 Qh3 37.gh3+-) 35.Qh5 (better 35.Qf4 Qe3 36.Qe3 Bd4 37.Qd4 cd4 38.Rb6 Rc8+-) 35...Kg7 36.Nf6 (36.Rfe1 Be7+-) 36...Kf6 (36...Qe3 37.Rf2 Kf6 38.f4+-) 37.Qh4 Kg7 38.Qe4 (38.Qf4!? Rh8+-) 38...Qd6 (38...Qe4 39.fe4 Rb8 40.e5+-) 39.f4 1-0. XAMele0N (2095) - BangBangBangDrama (2140), Rated Bullet game, lichess.org, 2020.

5.Nf3 Nc6 6.Bb5 Be7 7.Bc6 bc6 8.0-0 Ba6 9.d3 0-0 (9...Rb8 10.Bc3=+) 10.Nc3 (10.Nbd2 d6=) 10...Qb6 11.Rb1 Qc7 12.Qd2 Rab8 13.Ne4?? (better is 13.Ne2=) 13...Ne4–+ 14.de4 Qd6?? (better is 14...Bf1 15.Kf1 Ba3–+) 15.Qc3 (15.Qd6 Bd6 16.Rfd1 Be7=) 15...Qb4?? (better is 15...f6 16.Rfd1 Qc7=+) 16.Qg7 1–0. clock – coz12, Caissa.com, 2004.

6.Ba4 b5 7.Bb3 Bb7 8.Nf3 g6 9.0-0= Bg7 10.d4 Ne4 11.c4 Nc5 12.Nbd2 0-0 13.Ba3 Nb3 14.Nb3 Re8 15.cb5 ab5 16.Bd6 Nc6 17.Nc5+= Ra7 18.a4 Ba6? 19.Qb3?? ba4-/+ 20.Ra4 Bf1 21.Kf1 Na5 22.Qb2 Nc6 23.Na6 Qc8 24.Qb5-/+ Rb7 25.Qc5 Ra7 26.Qc4?? Qb7 27.Nd2 Rea8 28.Nc5 Qb2 29.Ke1?? Ra4 (29...Ra4 30.Na4 Qa1 31.Ke2 Ra4–+) 0–1. gtate (1930) – mrducks (2040), net–chess.com, 2006.

6.Bc4 b5 7.Bb3 Bb7 8.Nf3 d5 9.Nc3 Bd6 10.0-0 0-0 11.Ne2 Nbd7 12.Ng3 Nc5 13.Ne5 Nb3 14.ab3 Nd7 15.Ng4 (better 15.f4!?=) 15...f5-/+ 16.Nh5? (better 16.f4!? fg4 17.Qg4-/+) 16...e5 (16...fg4 17.Qg4 Kf7 18.Qg7 Ke8 19.Qh7+=) 17.f4 fg4 18.Qg4 Qe7 19.fe5? (better 19.Ng7 Qg7 20.Qe6 Rf7 21.Qd6-+) 19...Ne5-+ (19...Be5 20.Ba3 Rf1 21.Rf1+=) 20.Qd4 Rf1 21.Rf1 Rf8 22.Nf4 (22.Rf8 Qf8 23.Qh4 h6-+) 22...Qf7 23.Qb6 Bb8 (better 23...Qd7-+) 24.Ba3-/+ Re8 (better 24...Nc6 25.Bf8 Ba7 26.Nd5 Bb6 27.Rf7 Kf7 28.Nb6 Kf8 29.Nd7 Ke7-/+) 25.Ne6?? (better 25.Nd3 Qh5 26.Nf4=) 25...Qd7?? (better 25...Qg6 26.Qb7 Qe6-+) 26.Nc5+= Qd6? (better 26...Qc6 27.Qb7 Bd6 28.Qc6 Nc6+=) 27.Qb7+- Ng4?? (better 27...Qc6 28.Qc6 Nc6 29.Na6 Be5+-) 28.Qf7 Kh8 29.Qe8 (29.Qe8 Qf8 30.Rf8) 1-0. Garcia Comendador,Simon (1825) - Ramis Sebastia,JS, 15th Calvia Amateur Open, 2018.

6.Bd3 b5 7.f4 Bb7 8.Nf3 Be7 9.0-0 h6 10.Nc3 Qc7 11.a4 b4= 12.Na2 0-0 13.Ne5 d6 14.Ng4 Ng4 15.Qg4+/- e5 16.Qf5?? g6?? 17.Qh3+/- h5 18.fe5+- de5? 19.Bg6 fg6 20.Qe6 Kh7 21.Be5 Qd7 22.Rf7 Rf7 23.Qf7 Kh6 24.Bg7 Kh7 25.Bf6 (25.Bf6 Kh6 26.Qg7#) 1–0. Jaeger,Erich (2015) – Vanvoren,Piet (2065), remoteschach.de, 2007.

6.Be2 Bb4 7.a3 Ba5 8.Nf3 Nc6 9.0-0 b5 10.a4 Rb8 11.ab5 ab5 12.Nc3 Bc3 13.Bc3 b4 14.Bb2 Bb7 15.Bd3 d6 16.Ra4 e5 17.Bb5 Nd5 18.e4 Nc7 19.Bc4 0-0 20.Re1 Na8 21.Ra2 Qb6 22.Qe2 Nd4 23.Nd4 ed4 24.Qd3 Rfe8 25.Bd4 Qc6 26.Qg3 g6 27.d3 Nc7 28.Re3 d5 29.ed5 Nd5 30.Bd5 Qd5 31.Ra4 Qd4 32.Qc7 Qg4 33.Re8 Re8 34.f3 Bf3 35.Qg3 Qd4 36.Kh1 Bd1 0–1. mtrold1 – EYPREZ, internet live, 2001.

6.Be2 b5 7.Nf3 Bb7 8.0-0 Bc5 9.a4 b4 10.d4 Bb6 11.c3 Nc6 12.Qb3 a5 13.Rc1 d5 14.cb4 Nb4 15.Ba3 Qe7 16.Nc3 0-0 17.Na2 Rfc8 18.Ne5 Ne4 19.Rc8 Rc8 20.Nb4 ab4 21.Bb4 Qc7 22.a5 Ba7 23.f3 Nc3 24.Bc3 Qc3 25.Qb7 Qa1 26.Kf2 Rf8 27.Qa7 f6 28.Nd7 Re8 29.Nc5 e5 30.Qd7 Rb8 31.Ne6 1–0. aspasio – SABER, ICC, 1999.

6.Be2 b5 7.Nf3 Bb7 8.0-0 Be7 9.a4 Nc6 (9...b4!?= 10.c3 A) 10...0-0 11.cb4 (11.d3 Nc6 12.cb4 Bb4 13.Na3 Rb8 14.Nc2 Be7=) 11...Bb4 A1) 12.Bc3 Nc6 13.d4 Rc8 (13...Rb8 14.Bb4= Nb4=) 14.Ra2 Ne4=; A2) 12.Nc3 Nc6 13.Rb1 Rb8 14.Qc2 Qe7=; B) 10...Nc6 B1) 11.d3 B11) 11...0-0 12.cb4 Bb4 13.Na3 Rb8 14.Rb1 (14.Rc1= Qe7=) 14...Qe7=; B12) 11...Rb8 12.cb4 Bb4 13.Na3 0-0 14.Rb1 d5=; B2) 11.cb4 Bb4 12.Na3 0-0 13.Nc2 (13.Rc1 Rb8 14.Nc2= Be7=) 13...Be7 14.Rb1 Rb8=) 10.ab5+/- ab5 11.Bb5 (11.Ra8 Qa8 12.Bb5 0-0 13.d3 Qa2 14.Bf6+/-) 11...0-0 (11...Ra1 12.Ba1 0-0 13.Bf6 Bf6 14.d4+=) 12.c4 (12.Ra8 Qa8 13.c4 d5 14.cd5+/-) 12...Qc7 (12...Ra1 13.Ba1 d5 14.Bf6+=) 13.d3 Ra1 14.Ba1 Ra8 15.Nc3 Nb4 16.d4 Bf3 (16...Ra5!?+=) 17.Qf3+/- Rc8 18.Rc1 1–0. Bonetti,Shane – guest1467, ICC, 2002.

6.Be2 b5 7.Nf3 Nc6 8.0-0 Bb7 9.c4 Na7 10.cb5 Nb5 11.Nc3 Nc3 12.Bc3 Ne4 13.Bd4 Bc5 (13...Qa5!?+= A) 14.Qc2 A1) 14...Ng5 15.Bc3 (15.Ng5 Qg5 16.f3 Bc6 17.Rab1 Bd6 18.Rb6+=) 15...Qc5 16.Ng5 Qg5 17.f3 Bd6 18.Rab1+=; A2) 14...f6 15.Rab1 (15.Qb2 Bc6 16.Rab1 Ba3 17.Qb3 Bd5 18.Qc2=; 15.d3 Rc8 16.Qb2 Nd6 17.Rac1 Rc1 18.Rc1=) 15...Rc8 16.Qb2 Nd6 17.Rfc1 Rc1 18.Rc1+=; B) 14.Qb3 Bc6 (14...Bd5 15.Qc2 Nd6 16.Rfc1 f6 17.a4 Be7 18.Qb2+=) 15.Qc2 (15.d3 Nd2 16.Nd2 Qd2 17.Bg4 h5 18.Bh3=) 15...f6 16.d3 Nd6 17.Bc3 Qa4 18.Qa4+=; C) 14.Rb1 Bd5 15.Rb2 (15.d3 Nc3 16.Qd2 Bb4 17.Rb4 Ne2 18.Kh1=) 15...Rc8 16.Qa1 d6 17.Rc1 Nc5 18.d3+=) 14.Bg7+/- Rg8 15.Bb2 d5 (15...Bb4 16.d3 (16.d4 Nd2 17.a3 Ba5 18.Rc1+=) 16...Nd2 17.a3+= Ba5 18.Rc1+=; 15...Qa5 16.d4 Be7 17.Kh1 Qf5 18.a3=) 16.Qa4 (16.d3 Ng5 17.Rb1 Rb8 18.Qa4+/-) 16...Qd7 17.Qd7 (17.Qa5 Bd6 18.d3+/-) 17...Kd7 18.d3 Ng5 (better is 18...Nd6!?+/-) 19.Ne5+- Kd6 20.h4 f6 21.d4 (21.hg5?! fe5 22.d4 ed4 23.ed4 Bb4+/-) 21...fe5 (21...Ba7 22.Ba3 (22.hg5?! fe5 23.de5 Kd7+/-) 22...Kc7 23.Rfc1 (23.hg5?! fe5 24.Rfc1 Kd8+-) 23...Kd8 24.Rab1+- (24.hg5?! fe5 25.Rab1 Bc8+-)) 22.dc5 (22.hg5?! ed4 23.ed4 Bb4+/-) 22...Kc5 (22...Kc6 23.hg5 Rg5 24.f4 ef4 25.ef4+-) 23.Rab1 (better is 23.Be5 Kb6 24.hg5 Rg5 25.Rab1 Ka7 26.Bd4 Kb8 27.Rb3+-) 23...Ne4 (23...Nh3 24.Kh2 Kd6 25.Ba3 Kc7 26.Rfc1 Bc6 27.Kh3 e4+-) 24.Ba3 Kc6 25.Rfc1 Kd7 26.Rb7 Ke8 27.Bh5 (27.Bh5 Rg6 28.Rh7 Kd8 29.Be7 Kd7 30.Bb4 Kd8 31.Ba5 Ke8 32.Rcc7 Kf8 33.Rh8 Rg8 34.Bb4 Nc5 35.Bc5#) 1–0. Bonetti,Shane – bgoat, ICC, 2002.

6.Be2 Qb6 7.Qc1 (7.Bf6 gf6 A) 8.Nc3 d5 (8...Qc7 9.Nf3 d5 10.e4 Bb4 11.ed5 Bc3=) 9.Nf3 Bb4 10.Rb1 Qa5 11.Rb3 Nc6=; B) 8.c4 Rg8 9.Bf3 Nc6 10.Qb3 Qc7 11.d3 Bb4=; C) 8.Nf3 d5 9.0-0 Nc6 10.c4 d4 11.ed4 Nd4=) 7...Ne4 (7...d5 A) 8.c4 Qc7 (8...Qc6 9.Nf3 dc4 10.Bc4 Bd6 11.0-0 b5=; 8...dc4 9.Nf3 Qc6 10.a4 b5 11.ab5 ab5=) 9.Nf3 dc4 10.Qc4 Qc4 11.Bc4 b5=; B) 8.Nf3 Be7 (8...Bd6 9.c4 Nbd7 10.0-0 0-0 11.d4 Bc7=; 8...Nc6 9.0-0 Be7 10.c4 dc4 11.Na3 Qd8=) 9.0-0 Nc6 10.c4 dc4 11.Bc4 0-0=; 7...Qc7 A) 8.Nf3 b6 (8...d5 9.Be5 Bd6 10.Bd6 Qd6 11.d4 Nc6=) 9.Qd1 Be7 10.Nc3 d5 11.a3 0-0+=; B) 8.Bf6 gf6 9.Nf3 d5 10.0-0 Rg8 11.c4 dc4=; 7...Nc6 8.Bf6 gf6 9.Nf3 Rg8 10.0-0 d5 11.c4 d4=) 8.Nf3 (8.Nc3 d5 9.Ne4 de4 10.f3 Qd8 11.Nh3 e5=; 8.c4 Nc6 9.Nf3 d5 10.0-0 dc4 11.Bc4 Bd7=; 8.Bd4 Nc5 9.Nf3 Nc6 10.Bc3 Na4 11.a3 d5+=; 8.d3 Qa5 9.c3 Nc5 10.Nf3 b5 11.Nbd2 d5=) 8...d5 (8...Nc6 9.Nc3 Nc3 10.Bc3 d5 11.0-0 f6=) 9.0-0 Nc6 10.d3 (10.c4 dc4 11.Bc4 Bd7=) 10...Nd6 (10...Nc5 11.d4 Na4=) 11.c4 (11.Nbd2 Qc7+=) 11...Nf5 (11...dc4+=) 12.Nc3 d4 13.Nd1 de3 14.fe3 Bd7 15.Rb1 Qa7 16.d4 Be7 17.Ba3 Rc8 18.Be7 Nce7 19.Qa3 Bc6 20.Ne5 Be4 21.Qa4 Nc6 22.Nc6 Rc6 (22...Bc6 23.Qb3+/-) 23.Rb4 0-0 24.c5 Nh4?? (24...Rcc8!?+/-) 25.g3?? (better is 25.Rf4 Bg2 26.Rh4+-) 25...Nf5+/- 26.Bf3 Bf3= 27.Rf3 Ne7 28.e4 f5 29.Nc3 Rc7?? 30.Nb5!+- Qb8 31.Nc7 Qc7 32.Qb3 Qd7 33.ef5 Nf5 34.Qb2 Qd5 35.Qf2 Rf6 36.Rf4 Nh6? 37.Rf6 gf6 38.Qf4 Kg7 39.Rb2 Nf5 40.Rd2 Qc4 41.Qg4 Kf7 42.Qh5 Kg7 43.Qe2 Qc1? 44.Rd1 Qc3 45.Qe6 Ne3 46.Rb1 Qd4 47.Rb7 Kh6 48.Qh3 Kg6 49.Qh7 Kg5 50.Rg7# 1–0. Murrell,M – Gridassov,A, Doeberl Cup, 1998.

6.Be2 Qb6 7.Bd4 Qc7 8.Bf6 gf6 9.Nf3 d5 10.0-0 e5 11.Nc3 Be6 12.Rb1 Bd6 13.e4 d4 14.Nd5 Bd5 15.ed5 Nd7 16.Re1 0-0 17.Bd3+= Kh8 18.Nd4!+/- ed4?? 19.Qh5+- f5 20.Qf5 Nf6 21.Qf6 (21…Kg8 22.Re4 Bh2 23.Kh1+-) 1–0. tromar (1870) – DarkOmen (1775), GameColony.com, 2002.

6.Be2 Nc6 7.Nf3 d6 8.0-0 Be7 9.d4 0-0 10.c4 h6 11.Nc3 Bd7 12.d5 ed5 13.cd5 Na5 14.Qd4 b5 15.Rfc1 Nb7 16.Bd3 Nc5 17.Bc2 b4 18.Qb4 Rb8 19.Qa3 Qb6 20.Rab1 Bb5 21.Ba1 Rfc8 22.Nd4 Rb7 23.Ndb5 ab5 24.Rb5 Qc7 25.Qb4 Rcb8 26.a4 Na6 27.Qd4 Nc5 28.e4 Nfd7 29.Rb7 Rb7 30.Nb5 Qb8 31.Qg7# 1–0. guest2119 – guest1851, ICC 3 8 u, 2002.

6.Be2 d5 7.f4=.

6.Be2 Be7 7.c4 0-0 8.Nc3 Nc6 9.Qc2 d5 10.a3 (10.cd5 Nb4 11.Qb3 Nbd5 12.Nd5 Nd5=) 10...dc4 11.Bc4 b5 12.Be2 Bb7 13.Nf3 Rc8 14.d4 Nd5 Black plans b4 15.Qb3?? (better 15.Nd5 Qd5 16.e4=+) 15...Na5-+ 16.Qc2 b4 17.ab4 (17.Ng5 Bg5 18.ab4 Be3 19.Ra5 Bf2 20.Kf2 Qh4 21.g3 Qd4 22.Ke1 Nb4 23.Qd1 Qd1 A) 24.Bd1?? Nd3 25.Ke2 Nb2-+ (25...Bh1?! 26.Kd3 Rc6 27.Ke3-+); B) 24.Nd1 Bh1 25.Bc3-+) 17...Nb4 (better 17...Bb4 18.0-0-+) 18.Qd2? (better 18.Qa4 Bf3 19.gf3=+) 18...Nb3 19.Qd1 Na1 20.Ba1 Nd5 21.Nd5 Bd5 22.0-0 Qd7 (better 22...a5!?-+) 23.Ba6-/+ Rc7 24.Ne5 Qd6 25.Bd3 Bf6 (25...f5 26.Qh5-/+) 26.Ng4 h5?? (better 26...Bg5-/+) 27.Nf6+/- gf6 28.Qh5 f5 29.f3 Qe7 (29...f6 30.f4=) 30.g4 (30.e4 Bc4 31.Bc4 Rc4+-) 30...Qf6 (30...Qa3 31.Qg5 Kh8 32.Qh6 Kg8 33.Bb5+=) 31.e4 (31.gf5 Ra8 32.Qg4 Kf8 33.Qg3+=) 31...fe4?? (31...Ra8 32.ed5 Ra1 33.Ra1 Qd4 34.Kg2 Qb2 35.Kh3 Qa1 36.Qg5 Kh8 37.Qd8 Kg7 38.Qc7 fg4 39.fg4 ed5+-) 32.fe4+- Qg6 33.Qg6 (33.ed5 Qd3 34.Qe5 Rb7 35.de6 fe6 36.Qe6 Rbf7 37.Rf7 Rf7 38.Qe8 Rf8=) 33...fg6 34.ed5 ed5 35.Bg6 (better 35.Bb2 Rf1 36.Kf1+-) 35...Rf1+/- 36.Kf1 Rc1 37.Kf2 Ra1 38.Bf5 Ra4 (38...Rd1 39.Ke3 Kf7 40.h4+/-) 39.Ke3 Ra2? (better 39...Kf7!?+-) 40.h4 (better 40.Be6 Kg7 41.h4+-) 40...Ra3? (40...Kf7 41.Kf4 Re2+-) 41.Kf4 Rh3 42.h5 Kf7 43.Ke5 Ra3 (43...Ke7 44.Kd5 Rh1 45.Ke5+-) 44.Kd5 Ra5 45.Ke4 Kf6 (45...Ra1 46.h6+-) 46.Kf4 Ra4 47.Ke4 Kg7?? (47...Ra5 48.h6 Ra1+-) 48.g5+- Ra5 49.h6 Kg8 (49...Kf7 50.d5 Ra8 51.d6+-) 50.h7 (better 50.g6!? Ra7 51.Be6 Kh8+-) 50...Kg7 51.g6 (51.d5 Ra6+-) 51...Ra6 (51...Ra8 52.d5+-) 52.Kf4 (52.d5 Ra4 53.Ke5 Ra5+-) 52...Rf6 (52...Rd6 53.Ke5 Rd8 54.d5 Re8 55.Kd4+-) 53.d5 Rd6 54.Ke5 Ra6 55.d6 Ra5 56.Ke6 Ra7 57.d7 Rd7 (57...Rd7 58.Kd7 Kh8 59.Ke6 Kg7 60.h8Q Kh8 61.Kf6 Kg8 62.Be6 Kh8 63.g7 Kh7 64.g8Q Kh6 65.Qg6). ClayPigeons (2150) - DnexiT (2185), Rated Bullet game, lichess.org, 2019.

6.Be2 Be7 7.Nf3 0-0 8.0-0 b5 9.a4 Bb7 10.ab5+/- ab5 11.Ra8 Ba8 12.Bb5 Nc6 13.Qe2 Qb8 14.c4 d5 15.Bf6 Bf6 16.cd5 ed5 17.d4 Ne7 18.Rc1 Rc8 19.Nc3 Bc6 20.Ba6 Rc7 21.Rb1 Qa7 22.Bd3 Rb7 23.Rc1 Qa3 24.Qc2 Rc7? 25.Nb5+- Bb5 26.Qc7 Nc6 27.Rc6 Bc6 28.Qc8 Be8 29.Qe8 Qf8 30.Bh7! 1–0. b4_player (2185) – tomvdpBEL (1810), GameColony.com, 2003.

6.a4 a6 7.Bd4 Bc5 8.Bc5 Qc5 9.Be2 Nc6 10.Nf3 Nb4 11.Na3 d5 12.0-0 Bd7 13.c4 Rc8 14.Qb3 a5 15.d4 Qe7 16.Rfc1 0-0 17.c5 Bc6 18.Nc2+/- Nc2 19.Rc2 Nd7 20.Qc3 Ra8 21.Rb2 e5 22.Ne5 Ne5 23.de5 Qg5 24.Bf1 Rfe8 25.f4 Qe7 26.Bb5 f6 27.Bc6 bc6 28.ef6 gf6 29.Rb6 Qe3 30.Qe3+- Re3 31.Rc6 Kf7 32.Rd6 Re4 33.Rd5 Rf4+/- 34.Rd7 Kg6 35.g3 Rc4+= 36.Rc7 Rc2 37.Rc6 Kg5 38.Rf1 f5 39.Rf4 Rd8 40.h4+- Kh5 41.Rf5 Kg4+= 42.Rf2 Kg3-/+ 43.Rf7?? Rg2 (43...Rg2 44.Kh1 Rd1 45.Rf1 Rf1) 0–1. Kreuzer – Biereth, Bezirkspokal, 1986.

6.a4 a6 7.Bf6 ab5 8.Bd4 Qc6 9.ab5 Qg2 10.Ra8 Qh1 11.Rb8 Qg1 12.Ke2 Qh2 13.Rc8 Ke7 14.Nc3 Qh5 15.f3 Qh2 16.Kd3 f6 17.Qa1 Kf7 18.Qa8 Rg8 19.Qb7 Qd6 20.b6 g6 21.Nb5 Qe7 22.Bc5 d6 23.Rf8! Kf8 24.Bd6 (24.Bd6 Kg7 25.Qe7 Kh6 26.Bf4 g5 27.Qf6 Rg6 28.Qf8 Kh5 29.Be5+-) 1–0. michaelbuss – romanic, ChessWorld.net, 2005.

6.a4 a6 7.Bf6 gf6 8.Bd3 Nc6 9.Nc3 Rg8 10.Nge2 f5 11.Nf4 Bd6 12.g3 Ne5 13.Bf1 Bb4 14.Rb1 Qa5=+ 15.Rb3 Bc3 16.Rc3 Qa4 17.Qh5 Rh8 18.Qh6 d6 19.Bg2 Bd7 20.0-0 Rc8 21.Rc8 Bc8 22.d4 Nd7 23.d5 e5 24.Nh5 Qc2 25.e4 f4 26.gf4 ef4 27.Ng7+/- Kd8 28.Qf4 Qb2 29.Qf7+/- Nc5 30.f4 Bd7 31.e5 Kc8 32.Ne6 Nd3 33.Nf8 Qb6 34.Kh1 Bb5 35.Qe7 Nf2 36.Rf2 Qf2 37.ed6 Kb8 38.d7 Rg8 39.d8Q Ka7 40.Qe4 Bd3!?=+ 41.Qh4 Qh4 42.Qe3 b6 43.Qe8 Bb5 44.Qf7 Ka8 45.d6 Rg2 46.Kg2 Bc6 47.Kf1 Qh2 48.Ke1 Qg1 49.Ke2 Qg2 50.Kd3 Qe4 51.Kd2 Qb4 52.Ke2 Qd6 53.Nh7 a5 54.Qf8 Qf8 55.Nf8 a4 56.Kd3 a3 57.Kc2 b5 58.Ne6 –+. b4_player – opponent, gamecolony.com, 2007.

6.a4 Nc6 7.Qc1 (7.Bf6 gf6 8.Nc3 Rg8=) 7...Be7 8.Nf3 0-0 9.0-0 Qc7 10.Be2 (10.Ba3 d6=+) 10...b6 (10...e5 11.c4=+) 11.c4 (11.Nc3 Bb7=) 11...Bb7 12.Nc3 a6 13.d3 Nb4 (13...Rfc8 14.e4=) 14.e4 d6 (14...Rac8 15.Qg5=) 15.Ba3 Nc6 16.Rb1 h6 (16...Nd7 17.Qe3=) 17.Qe3+= Nd7 18.Rfc1 Bf6 (18...Rfc8 19.Nd5 ed5 20.cd5+=) 19.d4 Rfc8 (19...Qb8 20.Rd1 Re8 21.d5+/-) 20.Nd5+/- ed5 21.cd5 Qd8 22.dc6 Rc6 23.Bc4 (23.Rc6 Bc6 24.a5 b5+/-) 23...Rac8+= 24.Nd2 Bg5 25.f4 Be7 26.Qd3 Bf8 (26...d5 27.ed5 Rf6 28.Be7 Qe7 A) 29.Ba6? Rc1 30.Rc1 Ba6 (30...Rf4?? 31.Bb7 Nf8 32.Bc6+-) 31.Qa6 Qe3 32.Kh1 Qd2 33.Qc8 Kh7–+; B) 29.Re1+/-) 27.Bb2 (27.Ba6 Ba6 28.Qa6 Qf6+/-) 27...a5 (27...Qh4 28.Rf1+/-) 28.Bb5 (28.d5 R6c7+/-) 28...Rc1+= 29.Rc1 Rc1 30.Bc1 d5 31.e5 Nb8 32.Ba3 Nc6 (32...Ba3 33.Qa3 Bc6 34.Bd3+=) 33.Bf8 Qf8 34.Nf3 Qc8 35.Qd1 (35.Qb1 Nb4+=) 35...Nb4 36.h3 (36.Qe1 Qf5=) ½–½. Jacewicz,Grzegorz – Rainer,Jean_Michel, corr or01–010 E–mail, 2002.

6.a4 Be7=.

6.Nc3?? a6–+ 7.Bd7 Bd7 8.Rb1 Qd8 9.Nf3 Nc6 10.0-0 Be7 11.d4 0-0 (11...0-0 12.e4 Qc7–+) 0–1. makaveli1982 – MarianoL (1710), Friendly Game, 2007.

6.Nc3?? a6–+ 7.Ne4 Ne4 8.Bd3 Nf2! 9.Kf2 Qb2 10.Bc4 Nc6 11.c3 Ne5 12.Rb1 Qa3 13.Bb3 Nd3 14.Ke2 Qd6 15.Nf3 Ne5 16.Ne5 Qe5 17.g3 Be7 18.Kf2 b5 19.Rf1 Bb7 20.d3 Qc3 21.Rc1 Qe5 22.Qg4 0-0 23.Qh3 Bg5 24.Rce1 Rac8 25.Re2 Rc3 26.Bc2 Rc2! 27.d4 Re2 28.Ke2 Qe3 (28...Qe3 29.Kd1 Qd2#) 0–1. icewater – JimA22, Caissa.com, 2004.

6.c4 a6 7.Bf6 ab5 8.Bd4 Qc6 9.cb5 Qg2 10.Qf3 Qf3 11.Nf3 d6 12.Nc3 Rg8 13.0-0 h6 14.Rfc1 Nd7 15.b6 Nf6 16.Bf6 gf6 17.Kh1 Bd7 18.d3 Bc6 19.e4 Be7 20.Nd4 0-0-0 21.Nd5 ed5 22.ed5 f5 23.dc6 Bf6 24.cb7 Kb7 25.Rc7 Ka6 26.Rb1 Ra8 27.Nc6 h5 28.Rf7 Be5 29.d4 Bf4 30.b7 Rab8 31.Rf5 d5 32.Rf6 Rbe8 33.b8N Bb8 34.Nb8 Ka7 35.Ra6# 1–0. Bonetti,Shane – relation (1775), ICC 2 12 u, 2002.

6.Qe2 a6 7.Bf6 gf6 8.Qc4 Nc6 9.Bc6 bc6 10.Ne2 Rb8 (10...d5 11.Qa4=+) 11.0-0 d5 12.Qa4 (12.Qh4 Qb2 13.Nbc3 Qc2 14.Qf6 Rg8=) 12...Bd6=+ 13.Nbc3 Qc7 14.Qh4 Ke7 (14...Rb2 15.Rfc1=) 15.Rab1+= Bb7 16.Ng3 h5 17.f4 Rbg8 18.Nh5 (18.Rb2 Rg4 19.Qh3 Bc8=) 18...Rh6= 19.d4 (19.Rb2 Rgh8 20.Rfb1 Ba8=) 19...a5 (19...c5 20.Ne2=) 20.h3 (20.Rb3 Rgh8 21.g4 Ba6=) 20...Kf8 (20...Rgh8 21.g4=) 21.g4 (21.Rb2 Rgh8 22.g4 Ba6=) 21...Ba6 22.Rfd1 (better is 22.Rf3!?=) 22...Be7 23.Kh2? (better is 23.f5!?-/+) 23...f5–+ 24.Qf2? fg4 25.Ng3 Rh3 0–1. Sevestre,Frederic – Hoareau,Nicolas, corr EE/96.E.25, 1996.

6.Bf6 Qb5 7.Nc3 (better is 7.Bc3!?=) 7...Qc6-/+ 8.Bh4 Qg2 9.Qf3 Qf3 10.Nf3 d6 11.Nb5 (11.Rb1 Nc6-/+) 11...Na6 12.c4 Bd7 13.a4 (13.Rb1 h6 14.Bg3 Bc6-/+) 13...Be7 (13...f6 14.Bg3 Bc6 15.Nbd4-/+) 14.Be7 Ke7 15.d4 Rhc8 16.Nd2 Bb5 (16...d5 17.Ke2-/+) 17.ab5 Nb8 18.Ke2 Nd7 19.Rhc1 (19.Rhg1 g6+=) 19...a5-/+ 20.ba6 Ra6 21.Rab1 b6 22.Rc2 (22.e4 d5-/+) 22...d5 23.Rbc1 (23.f4 Ra4 24.Kd3 Ra3 25.Rc3 Rca8-/+) 23...dc4 24.Rc4 Rc4 25.Rc4 Ra1 26.f3 Ra5 27.Rc1 (27.Rb4 Ra2-/+) 27...Rh5 28.Rh1 Nf6 29.f4 (29.e4 g5-/+) 29...g6 (29...h6 30.Kd3-/+) 30.Nf3 (30.h4 Ra5 31.Rb1 Nd5-/+) 30...Ra5 31.Rb1 (31.Ne5 Ra2 32.Kf3 Nd5-/+) 31...Ra2–+ 32.Kf1 (32.Ke1 Nd5 33.Rb3 h6–+) 32...Ng4 33.Kg1? (better is 33.Ke1 Ne3 34.Rb6–+) 33...Ne3 34.Rb6 (34.Rb3 Nd5–+) 34...Rg2 35.Kh1 Rf2 0–1. Ruiz Salinas – Barreteaga,R, IIICEAPE, 1991.

6.Nf3 a6 7.Bc6 bc6 8.Nc3=+.

6.Nf3 a6 7.Be2 Be7 8.0-0 d5 9.d4 0-0 10.Nbd2 b6 11.a4 Bb7 12.Ba3 Ba3 13.Ra3 Na5 14.Qa1 Rc8 15.Rc3 Rc3 16.Qc3 Qd6 17.Rb1 Rc8 18.Qb4 Qb4= 19.Rb4 Nd7 20.Bd3 ½–½. woschkat (2395) – stejam (2350), net–chess.com, 2003.

6.Nf3 d5 7.Ne5 Bd7 (7...Qb6 8.a4=) 8.Nd7 Qd7 9.0-0 (9.Bf6 gf6 10.d4 a6=) 9...a6 10.Bc6 Qc6 11.Bf6 gf6 12.Nc3 Bg7 (12...Rc8 13.Rb1=) 13.Rb1 e5 (better is 13...b5!?=) 14.Qg4+/- Rg8 (14...Bf8 15.Qf5 b5 16.e4 de4 17.Ne4+=) 15.Qf5 h6 16.f4 Ke7?? (better is 16...Rf8+-) 17.fe5 fe5 (17...Kf8 18.ef6 Bh8 19.Nd5 Rg5+-) 18.Qf7 Kd6 19.Rb7 Raf8 20.Qe7 1–0. market (2185) – Analogue_Bubble_Bath (1705), GameColony.com, 2002.

6.Nf3 Be7 7.0-0 0-0 8.c4 a6 9.Ba4 Qc7 10.d4 Rb8 11.Nc3 Na5! 12.c5 d6 13.cd6 Qd6?! 14.Qd3 b5 15.Bc2 Nc4 16.Bc1 g6? 17.a4 Qc6 18.Bb3 Bb7 19.Ne2?! Bd6 20.Ra2 Ng4 21.Ng3 h5?! 22.h3 Nf6 23.Rc2 Rbc8 24.Bd2 Ne4 25.ab5 ab5 26.Ne4 Qe4 27.Qe4 Be4 28.Ra2 Bf3 29.gf3 Rc7 30.Rfa1 Rfc8 31.Kg2 Nd2 32.Rd2 Bb4 33.Rda2 Bc3 34.Rb1 b4 35.f4 Kg7 36.Kf3 Kf6 37.Ke4 Rb8 38.Rg1 Rbb7 39.Rg5 Ra7 40.Rb5 Ra2 41.Ba2 Be1 42.Kd3 Rc1 43.Ke2 Bc3 44.Kf3 Rc2 45.Bb3 Rb2 46.Bc4 Be1 47.Be2 Ra2 48.e4? Ra3 49.Kg2 b3 50.Bc4 Ra2 51.Kf1 Bc3?! 52.Rb3 Bd4 53.Be2 ½–½. Schirmer – Ziemek, 1992 (Schirmer).

6.Nf3 Qb6 7.c4 a6 8.Bd4 Qc7 9.Be5 Qb6 10.Ba4 Nc6 11.Bc3 0-0 12.d3 d5 13.Nbd2 dc4 14.Nc4 Qc7 15.Bc6 Qc6 16.Rc1 b5 17.Nce5 Qd5 18.e4 Qb7 19.Qb3 Bd7 20.Bb4 Bb4 21.Qb4+= a5 22.Qd6 Rfc8 23.0-0 b4 24.Qe7 Rf8 25.Nd2 Ra7 26.Nb3 a4 27.Nc5+= Qb5? 28.g4 h6 29.h4 Qa5 30.Ncd7 Qe5?? 31.Qf8 (31.Qf8 Kh7 32.Ne5+-; 31.Ne5?! Re7 32.Rc4 Rb7+=) 1–0. acidtest (2455) – ajochem (2065), net–chess.com, 2006.

6.f4 0-0 7.Bd3 d5 8.Qf3 Ne4 9.Be4 de4 10.Qe4 Nc6 11.a3 Qd7 12.Ne2 b6 13.Qf3 Bb7 14.Qg4 f6 15.0-0 Rac8 16.Nec3 Na5 17.d3 f5 18.Qe2 Bd6 19.Nd2 Bb8 20.Rac1 Nc6 21.Nf3 e5 22.fe5 Ne5 23.Ne5 Be5 24.Nd1 Bb8 25.g3 Qd5 26.Kf2 g5 27.Ke1 f4 28.gf4 1–0. Soininen,Matti – Kuula,Risto, corr Finland, 1974.

5.a4 (--> 4.a4 Be7 5.e3).

5.c4 0-0 6.Nc3 a6 7.a4 cb5 8.ab5 Nc6?? 9.bc6+- dc6 10.Nf3 b5 11.cb5 ab5 12.Ra8 Qc7 13.Ra1 Bd6 14.Be2 Bb7 15.h3 c5 16.d4 cd4 17.Nd4 Bc5 18.Ndb5 Qc6 19.Ba3 Qg2 20.Bc5 Qh1 (20...Qh1 21.Kd2 Rd8 22.Kc2 Be4 23.Bd3 Bd3 24.Qd3 Rd3 25.Rh1 Rd7+-). elefante22 – Fournier,Frederic, Active Blind, 2008.

5.c4 a6 6.a4 cb5 7.cb5 0-0 8.Nf3 h6 9.Be2 d6 10.0-0 Nfd7 11.Nc3 Bf6 12.Qb3 Nc5 13.Qc2 Nbd7? 14.Nd1?? ab5+= 15.ab5 Ra1-/+ 16.Ba1 Ba1 17.d4 b6 18.Qa2 Bd4 19.Nd4 Bb7 20.g3 Qc7 21.Bf3 Bf3 22.Nf3 Qb7 23.Nc3?? Ra8 24.Qe2-/+ Ra3 25.Nb1 Qe4?? 26.Nbd2 Qc2 27.Re1 Qd3 28.Qd3 Nd3 29.Rd1 N7c5 30.Ne1? Ra5?? 31.Nd3+/- Nd3 32.Ne4?? Nb2 33.Rd6 Rb5 34.Kg2 Kf8 35.Rd2 Ke7 36.Nc3 Rb3 37.Kf3 Nc4 38.Rc2 Na3 39.Rc1 Nb5 40.Nb5 Rb5 41.Rc7 Kf6 42.Rb7 g5 43.g4 Rb4 44.e4 Kg6 45.Ke3 f6 46.f3 h5 47.h3 e5 48.Kf2 hg4 49.hg4 Rb3 50.Kg3 b5 51.Kf2 b4 52.Kg3? Rb1 53.Kf2 b3 54.Kg2 Rb2 ½–½. valpa – Ivan_Lacerda, playchess.de, 2003.

5.c4 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 Be7).

5.bc6 dc6 6.Be2 Nbd7 7.Bf3 Nb6 8.Ne2 Bd7 9.a4 Qc7 10.a5 Nbd5 11.Bd5 ed5 12.d4 0-0 13.0-0 Bd6 14.h3 Rae8 15.Nd2 Kh8 16.c4 Ng8 17.c5 Be7 18.Nf3 a6 19.Ne5 Bc8 20.Rb1 f6 21.Nf3 g5 22.Bc3 h5 23.Rb2 Kg7 24.Qb1 Nh6 25.Ng3 Kh8? 26.Nh5 g4? 27.hg4 Bg4?? 28.Qg6 Bh5 29.Qh6 Kg8 30.Qh5 Rf7 31.Nh4 Bf8 32.Nf5 Rh7 33.Qg4 Kh8 34.g3 Bg7 35.Rfb1 Rg8 36.Rb7 Qc8 37.Rb8! Qd7 38.Rg8 Kg8 39.Qf4 Kf7 40.Nd6 Kg6 41.e4 Bh6 42.Qf5 Qf5 43.ef5 Kg5 44.Bd2 Kg4+- 45.Bh6 Rh6 46.Rb6 Kf3 47.Rb3 Ke2 48.Kg2 Kd2 49.Rb6 Kd3 50.Ra6 Kd4 51.Ra8 Kc5 52.Nf7 Rh7 53.Nd8 d4 54.Ne6 Kc4 55.a6 d3 56.Rd8 Ra7 57.Rd4 Kc3 58.Rd6 c5 59.Rc6 c4 60.Nf4 d2 61.Nd5 Kc2 62.Rc4 Kb3?? 63.Rc5 d1Q-/+ 64.Ne3?? Qd7 65.Rd5 Qc6 (65...Qc6 66.Kh3 Qa6–+ (< 66...Ra6 67.Rd3 Kb4 68.Rd4 Kb5 69.Rd5 Kb6 70.Rd6 Qd6 71.Nc4 Kc5 72.Nd6 Kd6 73.Kh4–+)) 0–1. wojtekkk – superos69, kurnik, 2011.

5.Nf3 cb5 6.Bb5 a6 7.Be2 b5 8.0-0 d5 9.a4 b4 10.c3 bc3 11.Nc3 Ne4 12.Ne4 de4 13.Qb1 ef3? 14.Bf3+- 0-0 15.Ba8 Nd7 16.d4 Nf6 17.Rc1 Qd6 18.Bc6 Bd7 19.Ba3 (19…Qa3 20.Ra3 Ba3 21.Rc2+-) 1–0. Bonetti,Shane – varenne, ICC, 2002.

5.Nf3 Qb6 6.a4 0-0 7.a5 Qd8 8.c4 d5 9.d4 cb5 10.cb5 a6 11.b6= Nc6 12.Be2 Bb4 13.Bc3 Bd6 14.Nbd2 Bd7 15.Ne5 Rc8 16.Qb3 Qe7 17.Nd7 Qd7 18.0-0 h6 19.Rfe1 Nh7 20.e4+= de4 21.Ne4 Be7 22.Rad1 Nf6 23.Bf3 Rcd8 24.Nf6+/- Bf6 25.d5 ed5 26.Rd5 Qc8 27.Bf6 gf6 28.Rc5 Rfe8 29.Re3 Re3 30.Qe3 Re8 31.Qc3 Qe6+/- 32.g3 Nd8 33.Kg2 Kg7 34.Rc8 Kf8 35.Qc7 Qe7 36.Rb8 Ne6 37.Qe7 1–0. Hartmann,A – Radloff,A, corr DDR, 1990.

5.Nf3 d5 6.Ne5=.

5.Nf3 d6 6.bc6 Nc6 7.d4 0-0 8.c4 d5 9.c5 Qd7 10.Bd3 Bd8 11.0-0 Bc7 12.Ne5 Ne5 13.de5 Ne4 14.Be4 de4 15.Qd7 Bd7= 16.Nc3 Bc6 17.Ne2 b6 18.Nf4? bc5–+ 19.Rac1 Bb6 20.Ba3 Bd5 21.Bc5 Rfc8 22.Bb6 ab6 23.Rc8 Rc8 24.a3 g5 25.Ne2 h5 26.Ra1 Rc2 27.Nc1 b5 28.g3 Kg7 29.Kg2 Kg6 30.h4 g4 31.Kg1 Kf5 32.Kg2 Ke5 33.Kg1 Bc4 34.Kg2 f5 35.Kg1 Kf6 36.Kg2 e5 37.Kg1 f4 38.gf4 ef4 39.ef4 Kf5 40.Kg2 Kf4 41.Kg1 Kf3 42.Kh2 Rf2 43.Kg1 Rf1 44.Kh2 g3 45.Kh3 Rh1# (45...Be6#) 0–1. abt – baisse, Caissa.com, 2004.

6.a4 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 cb5 10.cb5 Qa5 11.Bc3 Qb6 12.Be2 d6 13.0-0 Bd7 14.Bd4 Qa5 15.Qb3 e5 16.Bc3 Be6?? 17.Qe6+- (17.Qe6 fe6 18.Ba5+-; 17.Ba5?! Bb3 18.d4 Nbd7=) 1–0. pcmvr (2845) – nhathuy (2220), net–chess.com, 2009.

6.Nc3 d5 7.g3 a6 8.a4 ab5. Plath – Zimmer, corr SOK–89–39, 1989.

6.Nc3 d6 7.Bc4 cb5=+ 8.Bb5 a6 9.Be2 Nc6 10.0-0 d5 11.Rb1 Ne4 12.d3 Nc3 13.Bc3= Bf6 14.d4 b5 15.Qd2 Bd7 16.Bb4 a5?? 17.Bc5?? Ne7 18.Bb5 Bb5 19.Rb5 Re8 20.Rfb1 a4 21.Rb7 Nc6+/- 22.Bb6 Qc8?? 23.Rc7+- Qb8 24.Rc6 a3 25.Rb3 Be7 26.Bc5 Qd8 27.Be7 Qe7 28.Qc3 Qd7 29.Ne5 Qa7 30.Rc7 Qa6 31.Rbb7 Rf8 32.Nf7 Qe2 33.h3 Qd1 34.Kh2 Qe2 35.Nh6! gh6 36.Rg7 (36.Rg7 Kh8 37.Rh7 Kg8 38.Rbg7#) 1–0. Pscheidl,Udo (1780) – Klebe,Dieter (1755), RSS7E easy–106, 2010.

6.c4 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0-0 6.c4 c6).

6.Bd3 h6 7.0-0 d6 8.Nc3 Nd5 (8...cb5 9.Bb5 a6 10.Be2=) 9.Nd5+= cd5 10.Be2 e5 11.d4 e4 12.Nd2 f5 13.f3 b6 14.a3 (14.c4 dc4 15.fe4 fe4+=) 14...Qd7 (14...Bg5 15.f4 Be7 16.Nb1+=) 15.fe4+= de4 16.c4 a6 17.ba6 Na6 18.Qb3 Kh7 19.Rab1 (19.Qb6? Rb8 20.Qa5 Rb2–+) 19...Bd8? (better is 19...Qd8!?+=) 20.Ne4!+- Bb7 (20...fe4 21.Rf8) 21.Nd2 d5 22.Rbc1 Nc7 23.Qb6 Ne6 24.Qb3+- Bg5 25.c5 Bc6 26.Rb1 Rab8 27.Qc3 f4 28.Nf3 Bf6 29.Bd3 g6 30.Rfe1 fe3 31.Re3 Ng5 32.Ne5 Be5 33.Re5 Qg4 34.Re7 Kg8+/- 35.Re3 Nf3? 36.Kh1+- Nh2 37.Kh2 Qf4 38.Rg3 g5 39.Bc1 Qh4 40.Rh3 Qf2 41.Rh6 Bd7 42.Be3! Qf7 43.Rg6 Kh8 44.Rh1 Qh7 45.Kg1 Qh1 46.Kh1 Rf7 (47.Rg5 Rf6 48.Rd5 Bc6 49.Rh5 Kg8 50.Qe1 Rb5 51.Qg3 Kf8 52.Rh8 Ke7 53.Rh7 Ke8 54.Qg8 Rf8 55.Qe6 Kd8 56.Bg5 Rf6 57.Bf6) +-. market (1910) – R_U_FOREAL (1635), GameColony.com, 2002.

6.Be2 a6 7.a4 a5 8.0-0 Ne4 9.d3+= Nc5 10.c4 d5 11.d4 Ne4 12.Nc3 Nc3 13.Bc3 c5 14.dc5+/- Bc5 15.cd5 ed5 16.Rc1 Ba3 17.Qd4 f6 18.Rcd1 Be7 19.Bc4! dc4 20.Qc4 Kh8 21.Rd8 Rd8 22.Qf7 Bg4 23.Qe7 Nd7 24.h3 Bf5 25.Nd4 Ne5 26.Nf5 Ng6 27.Qg7# 1–0. Woschkat,Karl_Heinz – Graefe,Hartmut, 9.KO/1 CiF, 2002.

6.Be2 cb5 7.0-0 Qb6 8.c4 bc4–+ 9.Qc2 d5 10.Nc3 Nc6 11.Na4 Qa6 12.Rfb1 Nb4 13.Qd1 Bd7 14.Nc3 Bd6 15.a3 Nd3 16.Bd3 cd3 17.Qf1 Rfc8 18.Ne1 Ne4 19.Qd3 Qd3 20.Nd3 Nd2 21.Rc1 Nb3 0–1. gtate (2075) – jsivage (2060), net–chess.com, 2004.

6.Be2 cb5 7.Bb5 d5 8.0-0=+.