6.Bb2 a5 7.a3 Bd6 8.Be2 Nbd7 9.c4 c6 10.0-0 b6 11.Nc3 Bb7 12.Qc2 Rc8 13.c5 Nc5-/+ 14.d4 Nce4 15.Ne4 Ne4 16.Bd3 Nf6 17.Ne5 Re8 18.Be2 g6 19.Bg4 Ng4 20.Ng4 Qh4 21.h3 h5 22.Nh2 Rc7 23.Qe2 Bc8 24.Nf3 Qf6 25.Ne5 Rce7 26.Nc6= Re4 27.Ne5 Qg5 28.Kh1 f6?? 29.Nf3?? Qh6 30.Qb5 g5 31.Qd5 Kg7?? 32.Qd6+– g4 33.d5 gf3 34.gf3 Rh4 35.Rg1 Kf7 36.Qg3?? Rh3-+ 37.Qh3 Bh3 38.Rg3 Bd7 39.f4 Qh7 40.Rh3 h4 41.Rh2 Qe4 42.Kg1 h3 43.Kf1 Qd3 44.Ke1 (44...Bb5 45.f3 Qe3 46.Kd1 Ba4 47.Rc2 Qe1; 44.Kg1 Qg6 45.Kf1 Bb5 46.Ke1 Qc2 47.f3 Re3 48.Re2 Qe2#) 1–0. LP – arra, Live Game Caissa's Web, 2004.

6.Bb2 Be6 7.Be2 Be7 (7...Nc6 8.a3 Bd6 9.0-0=+) 8.0-0 c5 9.d3 (9.Re1 Qb6 10.Qc1 Nc6=+) 9...Nc6 (9...Qb6 10.Qc1=+) 10.Nbd2 Qc7 11.c4 Rad8 12.cd5 (12.Qc2 dc4 13.dc4 Rd7=+) 12...Nd5 13.Qb1 (13.Ne4 c4=+) 13...Nb6 (13...f5 14.Re1=+) 14.a4 Bf5 (14...Rfe8 15.Rc1=) 15.Rc1 (15.Ne4 Rfe8=) 15...Bg6 (15...Rfe8 16.Ne4 Nd7 17.d4=) 16.a5 Nd5 17.Nc4 (17.Nb3 Ncb4=) 17...Bf6 (17...Ndb4 18.Nce5=) 18.Bf6 (18.a6 b6=) 18...Nf6 19.Ra3 Rfe8 20.Nh4 (20.Qb5 Rd5=) 20...Bh5 (20...Nd4 21.Bd1=) 21.Bh5+= Nh5 22.Nf3 (22.Rb3 Qe7 23.Nf3 Rd7=) 22...Nf6= 23.Qb5 (23.Rb3 Re7=) 23...Rd5 24.e4 Rh5 25.h3 Re7 26.Ne3 a6 27.Qb2 (27.Qb6 Qb6 28.ab6 Ne5=) 27...Qf4 (27...Re8!?=) 28.Nf5+= Rf5 29.ef5 Qf5 (29...Re2 30.Qb1 Nd4 31.Kf1+/-) 30.Rac3 (30.Qb6 c4 31.dc4 Qf4+-) 30...h6 (30...c4 31.Rc4 Qa5 32.d4+/-) 31.Qa3 (31.Rc5 Qd3 32.Ne5 Qd4+/-) 31...Nd7 (31...c4 32.Ra1+/- (worse 32.dc4 Qa5 33.Qa5 Na5+=)) 32.d4 Re2 (better 32...Na7 33.Qb3 Nb5+/-) 33.Re3?? (better 33.dc5 Nde5 34.Rd1+/-) 33...Nd4=+ 34.Qd3 Ra2 (better 34...Re3 35.Qe3 Nf3 36.Qf3 Qf3 37.gf3 Kf8=) 35.Qf5+/- Nf5 36.Re8 Kh7 37.Rd8 Nf6 38.Rc5 Ne7 39.Rb8 (better 39.Nd4+/-) 39...Ra1 (39...Nd7 40.Rc7 Nb8 41.Re7-/+) 40.Kh2 Ne4 (better 40...Nd7!? 41.Rc7 Nb8 42.Re7 Rb1-/+) 41.Rc7 (41.Rc2 Nf5 42.Re8 Nfd6+=) 41...Nc6 (41...Nf5!?+/-) 42.Rbb7+- Nd8 43.Rb8 Ne6 44.Rf7 Nf2 (44...Ra5 45.Rb6 N4c5 46.Rf5+-) 45.Nd2 (45.Re8 Rh1 46.Kg3 Ne4 47.Kg4 Nd6 48.Re6 Nf7 49.Ra6 Ra1+-) 45...Nd3 46.Rb6 Ng5 (better 46...Nec5 47.Nb3 Nb3 48.Rb3 Ne5+-) 47.Rf5 (47.Rc7 Ra2 48.h4 Rd2 49.hg5 Nf4 50.gh6 Rg2 51.Kh1 Rg5 52.Ra6 Nd5 53.Rg7 Rg7 54.hg7 Kg7 55.Ra7 Kf6+-) 47...Ra2 48.h4 Nh3 (48...Rd2 49.hg5 hg5 50.Rd6+- (worse 50.Ra6 Ne1+-)) 49.Kh3 (49.Ra6?! Nhf4 50.Rd6 Kg8+-) 49...Rd2 50.h5 (50.Ra6!? Ne1+-) 50...Nf2 51.Kg3 Ne4 52.Kh2 Nf6 (52...Nd6 53.Rf4+-) 53.Ra6 Rd4 (53...Ng4 54.Kh3 Ne3 55.Rf8+-) 54.Ra7 Kg8 55.Ra6 (55.g3 Rd2 56.Kh3 Rd1+-) 55...Rh4?? (55...Kh7 56.Re6 Kg8+-) 56.Kg1 (56.Kg3 Rh1+-) 56...Ra4 (56...Nh5 57.Ra8 Kh7 58.a6+-) 57.Rb5 Ng4 Threatening mate: Ra1 58.g3 Nf6 59.Rb7 (59.Rb7 Nh5 60.Raa7+-; better 59.Ra8!? Kf7+-) 1-0. Maeurer,Christoph (2310) - Schmidt,Stefan (2215), BL2-Sued (HP), 2002.

6.Bb5 Nbd7 7.Bb2 Re8 8.0-0 a6 9.Be2 Bd6 10.a4 Qe7 =+.

6.Bb5 Bg4 7.0-0 c6 8.Ba4 Nbd7 9.Bd4 Ne4 10.Nc3? Ng5 11.Kh1 Bd6 12.Rg1 Bh2! 13.Rf1 Nf3 14.gf3 Qh4 15.fg4 Qh3 16.Re1 Bg3 17.Kg1 Qh2 18.Kf1 Qf2# 0–1. Hanamitsu,Itsurou (1810) – Aymard,Michel (2010), corr ICCF WSTT/3/06/3, 2006.

6.c3 Bc5 7.d4= Bb6 8.Bb5 a6 9.Ba4 Bg4 10.Nbd2 Ba5=+ 11.Qc2 Bf3 12.gf3 b5 13.Bb3 Nh5?? 14.0-0-0 Nc6= 15.f4 Qd7 16.Nf3? f6-+ 17.e4 fe5 18.ed5 Nd8 19.de5 Qg4 20.d6 Kh8-+ 21.Rd4? Qf3 22.Bd5 Qc3 23.Qc3 Bc3 24.Rd3 Nf4 25.Rf3 c6 (26.Rc3 Ne2 27.Kc2 Nc3 28.Kc3 cd5-+) 0–1. Nunez,Francisco – Diener,Rudolf, corr ICCF T625/19–Semi, 1979.

6.Bc3 Bc3 7.Nc3 Ne4 8.Ne4 de4 9.Nd4 Qe7 10.Qh5 Nd7 11.Be2 Nf6 12.Qa5 c5 13.Qa3 Qe5 14.Nb3 Qg5 15.g3 b6 16.d3 Bh3 17.Nd2 Qh6 18.Rg1 ed3 19.Bd3 Rfe8 20.Bb5 Re7 21.Nc4 Ne4 22.f4 Qh5 23.Nd2 Nd2 24.Kd2 Bd7 (25.Be2 Qh2-+) 0–1. Pachurka,Roland – Buchmann,Hans_Peter (1910), M2003 DESC, 2003.

6.Nc3 Ne4 7.Ne4 de4 8.Nd4 a6 9.Be2 c5 10.Nb3 Nc6 11.Bg3 Qe7 12.a3 Ba5 13.Na5 Na5 14.0-0 Bf5 15.f3 b5 16.fe4 Be4 17.d3 Bb7 18.Qd2 Nc6 19.Bf3 Nd8 20.e4 Ne6 21.Bg4 Nd4 22.Rf2 Rad8 23.Qf4 Bc8 24.Bd1 Be6 25.Bh4 f6 26.e5 Qc7 27.ef6 Qf4 28.Rf4 Rd7 29.c3 Nf5 30.Bg4 Rd3 31.Bf5 Bf5 32.Rf5 Rc3 33.a4 Rc4 34.Bf2 Rf6 35.Rc5 Ra4 36.Ra4 ba4 37.Ra5 Kf7 38.Ra4 Rc6 39.g3 h5 40.Kg2 g6 41.Kf3 Re6 42.h3 Ke7 43.Bc5 Kd7 44.Kf4 Rc6 45.Bd4 Re6 46.Kg5 Rc6 47.Bf6 Rc2 48.Kg6 Rg2 49.Be5 1–0. phildo (1820) – wurmt (1820), gameknot.com, 2013.

6.Bd3 d5 7.Bb2 Re8 8.a3 Bd6 9.0-0 Nc5 10.Nc3 Nd3 11.cd3 a6 12.h3 c5 13.d4 c4 14.a4 Rb8 15.d3 b5 16.ab5 ab5 17.Re1 b4 18.Ne2 c3 19.Nc3 bc3 20.Bc3 Qc7 21.Rc1 Qd7 22.Ne5 Qf5 23.e4 de4 24.de4 Ne4 25.Qf3 Nc3 26.Rc3 Qf3 27.Nf3 Re1 28.Ne1 Kf8 29.g4 Be6 30.Nd3 Ra8 31.f3 Ra4 32.d5 Bd5 33.Nc5 Ra3 34.Nd7 Ke7 35.Ra3 Ba3 36.Ne5 Kd6 37.f4 Bc1 38.Nd3 Be3 39.Kh2 Be4 40.Ne1 Bf4 41.Kg1 Be3 42.Kh2 Bf2 43.Ng2 Ke5 44.Kh1 Bd3 45.Kh2 Ke4 46.h4 Kf3 47.Kh3 Bf1 48.h5 Bg3 0–1. Borup,John – Hort,Wolfgang (1705), 04. VCC–Open, 2001.

6.Bd3 Be6 7.h4 Nbd7 8.Nc3 Ne8 9.Bh7 Kh7 10.Ng5 Kg8 11.Qh5 Ba5 12.Qh7# 1–0. Nautiluschess – fake, ICS blitz, 2001.

6.Bd3 Re8 7.a3 Bc5 8.0-0 Bg4 9.Bb2 Nbd7 10.Nc3 Ne5 =+.

6.Be2 Qe7 7.0-0 c5 8.c4 Be6 9.Qb3 dc4 10.Bc4 Bc4 11.Qc4 Nc6 12.Bb2 Na5 (12...Rad8 13.a3 Ba5 14.Rc1=) 13.Qh4+= c4 14.Nc3 (14.d3 cd3 15.Bf6 gf6+=) 14...Ba3 15.Ba3 Qa3 16.Nd4 Qc5 17.Rab1 a6 18.Na4 Qe5 19.f4 Qh5 20.Qh5 Nh5 21.Nb6 Rad8 22.Rbc1 Nf6 23.Nc4 Nc4 24.Rc4 Ne4 25.Rc2 Rc8 26.Rfc1 Rc2 27.Rc2 (27.Nc2?! Nd2 28.Nd4 b5=) 27...Rd8 28.d3 Nf6 29.h3 Nd5 30.Kf2 Kf8 31.Kf3 g6 32.a3 Rd7 33.Rc8 Ke7 34.g4 f6 35.Rh8 Kd6 36.h4 Kc5 37.Ne6 Kb5 38.Nf8 Rd8 39.Ng6! Rh8 (39...hg6 40.Rd8 Discovered attack) 40.Nh8 Ka4 41.e4 Ne7 (41...Nc7 42.g5 fg5 43.hg5 Ka3 44.d4+-) 42.f5 Ka3 43.g5 Nc6 (43...fg5 44.hg5 Nc6+-) 44.gf6 Ne5 45.Ke2 b5 46.f7 (better 46.d4 Ng4 47.f7 b4+-) 46...Nd7 (46...Nf7 47.Nf7 b4+-) 47.e5! (47.e5 Ne5 48.f8Q b4 49.Qd6+-) 1-0. Lorenc,Tomas (2125) - Kural,Jaroslav (2045), CZE-chT2b, 2006.

6.Bf4 Re8 7.Be2 Bf5 8.0-0 Nc6 9.Bb5 a6 10.Bc6 bc6 =+.

6.g3 Nc6!?-/+.

6.g3 Bd6 7.Bd6=+ Qd6 8.Bg2 (8.Nc3 Nc6=+) 8...Nc6 (8...a6 9.Nc3=+) 9.d4 (9.Nc3 a6=+) 9...Ne4 (9...Bg4 10.0-0-/+) 10.Nfd2 Nd2 (10...Qb4!? 11.c4 f5=+) 11.Nd2 (11.Qd2 Be6=) 11...b6 (11...Bf5 12.0-0=) 12.0-0 (12.c4 Ne7+=) 12...Bb7 (12...Be6 13.c4 f5 14.Qa4+=) 13.Nf3 (13.c4!? Na5 14.cd5 Bd5 15.e4+=) 13...Rfe8 (13...Na5 14.Re1=) 14.Nh4 (14.Nd2 Na5=) 14...Rad8 (14...g6 15.Re1=) 15.Qg4 (15.Qd3 g6=) 15...Qf6 (15...Bc8 16.Qg5=+) 16.c3 (16.Qf3 Qg5=+) 16...Qe6 (16...Na5 17.Rfe1=+) 17.Nf5 (17.Qe6 fe6 18.c4 g5 19.cd5 ed5=) 17...g6=+ 18.Nh6 Kg7 19.Qh4 (19.Qg5 Ba6 20.Rfe1 Bd3=+) 19...Qe7 20.Qf4 f5 (20...Qd6 21.Qg5 Qf6=) 21.Bh3 (21.Rfb1 Rd7 22.Bh3 Qf6-+) 21...Qd6 (better 21...Rd6!? 22.c4 dc4-+) 22.Qg5= Qe7?? (better 22...Kf8=) 23.Nf5+- (23.Nf5 Kg8 24.Ne7 Re7 25.e4+-) 1-0. Meisinger,Peter - Klocke,Peter, SEV (year?).

6.g3 Qe7 7.Bg2 c5 8.a3 Ba5 9.0-0 Nc6 10.Bc3 Be6 11.Ba5 Na5 12.Nc3 Nc6 13.Ne2 Rad8 14.Nf4 Rfe8 15.Ne6 fe6 16.d4 b5 17.dc5 e5 18.Nd2 Qc5 19.c3 e4 (worse is 19...Qc3 20.Rc1 Qa3 21.Rc6+/-) 20.Nb3 Qc4 (worse is 20...Qc3 21.Rc1 Qb2 22.Rc6 Qa3 23.Nd4+–) 21.a4 b4 (worse is 21...Qc3 22.Rc1 (worse is 22.ab5 Ne5+/-) 22...Qb4 23.Rc6 Qa4 24.Qc2+–) 22.cb4 Qb4 23.Qc2 Ne5 ½–½. Benassi,Aspasio (2130) – Daanen,Aard (2190), SA–2011–0-00218, 2011.

6.h3 Bd6 7.d4 Be5 8.Ne5 c5 9.c3 c4 10.Be2 (10.Nd2 Nbd7=+) 10...Nc6 (10...Bf5 11.g4 Be6 12.Nd2=+) 11.Nc6 bc6 Black gets strong play along the open b-file 12.Nd2 (12.Qc2 Be6=+) 12...Bf5 13.0-0 (13.Qa4 Qc7=+) 13...Qa5 14.Qc1 Rab8 15.a4 (15.f3 Bg6=+) 15...Rb6 (15...Ne4 16.Ra3=+) 16.Qa3 (16.Bc4 dc4 17.Nc4 Qa6 18.Nb6 ab6=) 16...Rfb8 (16...Rb7 17.Rfc1=+) 17.Rfc1 (17.Bc4 Rb2 18.Rfd1 Rd2 (18...dc4? 19.Nc4 Qd5 20.Nb2+-) 19.Rd2 dc4=+) 17...Rb2 (17...R6b7 18.Qd6=+) 18.Ra2 Ra2 19.Qa2 Qb6 20.Ra1 (20.Bf3 Bd3-/+) 20...Qb2-/+ 21.g4 Bg6 22.g5 (22.Qb2 Rb2 23.Rd1 h6-/+) 22...Ne8 (22...Qc3 23.Nc4 Nd7 24.Qa3-+) 23.Bg4? (better 23.Qb2!? Rb2 24.Rd1-/+) 23...Qc3-+ 24.Bd7? (24.Rd1-+) 24...Rb2 25.Qa3 Qd2 26.Rf1 Qb4 (better 26...Rb1 27.Bg4 Rf1 28.Kf1-+) 27.Qb4 Rb4 28.Be8 c3 (28...c3 29.Kg2 Rb1-+; 28...Ra4?! 29.Bc6 Ra5 30.f3-/+) 0-1. Hecimovic,Ivan - Bistric,Faruk, Pula (HP), 1997.

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

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

7.Bb5 A) 7...c6 A1) 8.Bd3 Qe7 (8...b5 9.0-0 Re8 10.a4 Nc5 11.ab5 Nd3 12.cd3 cb5 13.Qb3 a5=; 8...Ne4 9.0-0 Bd6 10.Be2 Qb6 11.Qc1 Re8 12.d3 Nef6 13.c4 dc4=; 8...Re8 9.0-0 Bd6 10.Be2 Nb6 11.d3 Bg4 12.a4 Qe7 13.Nbd2 Rad8=+; 8...Bd6 9.0-0 Re8 10.Be2 Nb6 11.d3 Bg4 12.a4 Qe7 13.Nbd2 Rad8=+; 8...Nc5 9.Be2 Re8 10.a3 Ba5 11.0-0 Bg4 12.h3 Bf3 13.Bf3 Na4=+) 9.0-0 Re8 10.Bd4 Bd6 11.Nc3 c5 12.Bf6 Nf6 13.Nb5 Bb8-/+; A2) 8.a3 Bd2 (8...Bd6 9.Be2 Re8 10.0-0 Nb6 11.Nc3 Nc4 12.Bc4 dc4 13.d3 cd3=+) 9.Nbd2 cb5 10.0-0 Re8 11.Rb1 b6 12.Re1 a6 13.Nb3 Qe7=+; A3) 8.Be2 b6 (8...Qb6 9.0-0 Bd6 10.Ba3 c5 11.d4 c4 12.Bd6 Qd6 13.Nc3 Re8=; 8...Re8 9.0-0 Bd6 10.d3 Nc5 11.Bd4 b6 12.Nbd2 Qe7 13.c4 Bf5=+; 8...Qe7 9.0-0 Bd6 10.Nc3 Nb6 11.Nd4 Re8 12.Rb1 Bd7 13.f4 Bb4=+; 8...Nb6 9.0-0 Re8 10.Ne5 Bf5 11.f4 Qe7 12.a4 Rab8 13.a5 Na8=+; 8...Bd6 9.0-0 Re8 10.d3 Nc5 11.Nc3 b5 12.d4 Ne6 13.Bd3 Rb8=+) 9.0-0 Re8 10.Re1 Bd6 11.Nc3 b5 12.a3 Qc7 13.d3 Ng4=+; B) 7...Qe7 B1) 8.0-0 Re8 (8...Bd6 9.Nc3 a6 10.Be2 Re8 11.Nd4 Nb6 12.Rb1 Bd7 13.f4 Bc5=+; 8...a6 9.Be2 Bd6 10.Nc3 c5 11.a4 b6 12.Re1 Re8 13.Rb1 Qe6=+; 8...Nb6 9.Bd4 Bd6 10.a4 c5 11.a5 Nbd7 12.Bb2 a6 13.Be2 Rb8=+; 8...c6 9.Be2 Bd6 10.Nc3 Nb6 11.Nd4 Re8 12.Rb1 Bd7 13.f4 Bb4=+) 9.a3 Bc5 10.Nc3 a6 11.Bd7 Bd7 12.Re1 b5 13.Qe2 Bg4-/+; B2) 8.Be2 Bd6 (8...Re8 9.Nc3 Nb6 10.a3 Bc3 11.Bc3 Bg4 12.h3 Bh5 13.g4 Bg6=+; 8...Nb6 9.0-0 Be6 10.a3 Bd6 11.Nc3 c6 12.Nd4 Bd7 13.f4 Rfe8=+; 8...Ne4 9.0-0 Re8 10.d3 Nef6 11.Nbd2 Nb6 12.Rb1 Bd6 13.c4 dc4=; 8...a6 9.0-0 Re8 10.Re1 Bd6 11.Nc3 c5 12.a4 b6 13.Rb1 Qe6=+; 8...c6 9.0-0 Re8 10.Nc3 Nb6 11.Rb1 Bd6 12.Nd4 Bd7 13.f4 Bb4=+) 9.Nc3 a6 10.0-0 c5 11.a4 b6 12.Rb1 Re8 13.Re1 Qe6=+; C) 7...a6 8.Be2 Nb6 (8...Qe7 9.0-0 Re8 10.Re1 Bd6 11.d3 Nc5 12.Bd4 b6 13.Nc3 Be6=+; 8...Bd6 9.0-0 Re8 10.Re1 Qe7 11.a4 Nc5 12.Nc3 Bg4 13.Nd4 Be2=+; 8...Re8 9.0-0 Bd6 10.d3 Qe7 11.Nbd2 c5 12.Re1 b5 13.c4 Bb7=+; 8...Rb8 9.0-0 Re8 10.Nc3 Nb6 11.Rb1 Qe7 12.Nd4 Bc5 13.Nb3 Bd6=+; 8...b6 9.0-0 Re8 10.Nd4 Qe7 11.Nc6 Qd6 12.Nb4 Qb4 13.Qc1 Qh4=+) 9.0-0 Bd6 10.Bd4 Nbd7 11.Nh4 Ne5 12.f4 Nc6 13.Bb2 Bc5=+; D) 7...Re8 D1) 8.0-0 Bd6 (8...c6 9.Be2 Bd6 10.d3 Nc5 11.Nc3 b5 12.a3 Qe7 13.Re1 a5=+; 8...Qe7 9.a3 Bc5 10.Nc3 a6 11.Bd7 Bd7 12.Re1 b5 13.Qe2 Bg4-/+; 8...a6 9.Be2 Bd6 10.a4 Qe7 11.Nc3 Nc5 12.Nd4 Bd7 13.f4 Nce4=+) 9.Nc3 a6 10.Bd7 Bd7 11.Qe2 Bg4 12.h3 Bh5 13.d3 c6-/+; D2) 8.a3 Bc5 (8...Bd6 9.0-0 c6 10.Be2 Nb6 11.Nc3 Nc4 12.Bc4 dc4 13.d3 cd3=+; 8...Be7 9.0-0 a6 10.Be2 c5 11.a4 Qb6 12.Ra2 Qe6 13.a5 Rb8=+; 8...Bf8 9.0-0 a6 10.Be2 Bd6 11.Nc3 Nb6 12.d3 Qe7 13.a4 Be6=+) 9.0-0 a6 10.Be2 Bd6 11.Re1 c5 12.Nc3 b5 13.d3 Qc7=+.

7.Be2 Nb6 A) 8.Ne5 Bf5 (8...Re8 9.0-0 Bf5 10.f4 Bd6 11.a4 a5 12.Nc3 c6 13.Rb1 Bb4=+; 8...Bd6 9.0-0 Qe7 10.d4 Na4 11.Qc1 Nb2 12.Qb2 c5 13.Nd2 c4=+; 8...Qe7 9.0-0 Bd6 10.d4 Na4 11.Qc1 Nb2 12.Qb2 Re8 13.Nf3 c6=+) 9.0-0 Re8 10.f4 Qe7 11.a4 Nbd7 12.Nd3 Bd6 13.Nc3 c6=+; B) 8.0-0 Qe7 (8...Be6 9.Nd4 Qe7 10.Nc3 c5 11.Ne6 fe6 12.f4 Rad8 13.a3 Bc3=; 8...Bd6 9.Nc3 c6 10.Nd4 Re8 11.f4 Nc4 12.Rb1 Nb2 13.Rb2 c5=+; 8...Re8 9.Ba3 Ba3 10.Na3 Qe7 11.Nb5 c6 12.Nc3 Ne4 13.Ne4 de4=+; 8...Bg4 9.h3 Be6 10.Nd4 Nc4 11.Bc4 dc4 12.Qe2 Bd5 13.Nc3 Bc3=+; 8...Be7 9.Nc3 Re8 10.d3 Be6 11.a4 c5 12.a5 Nc8 13.Qd2 Nd6=) 9.a3 Bd6 10.Nc3 a6 11.Nd4 Re8 12.f4 c5 13.Nf3 d4-+; C) 8.Bd4 Bd6 (8...Qe7 9.0-0 Bd6 10.Nc3 c5 11.Bf6 Qf6 12.d4 Be6 13.Nb5 Be7=; 8...Re8 9.a4 Qe7 10.0-0 c5 11.Bc3 a5 12.Bb2 c4 13.Bd4 Ra6=; 8...Bf5 9.0-0 Bd6 10.Be5 Be5 11.Ne5 d4 12.Bd3 Re8 13.Nc6 bc6=+; 8...Bg4 9.h3 Bf3 10.Bf3 c5 11.c3 cd4 12.cb4 Qe7 13.a3 Rac8=+; 8...Be6 9.0-0 Bd6 10.Be5 Re8 11.d4 Ne4 12.Bd6 Qd6 13.Bd3 Bg4=+) 9.0-0 Re8 10.a4 c5 11.a5 cd4 12.ab6 de3 13.de3 Qb6-/+; D) 8.Be5 Nc4 (8...Re8 9.0-0 Bg4 10.d4 Ne4 11.a3 Bd6 12.Bd6 Qd6 13.Nfd2 Be2=+; 8...Bf5 9.0-0 Re8 10.d4 Ne4 11.a3 Be7 12.Nfd2 Nd6 13.Bd3 Bd3=; 8...Bg4 9.0-0 Re8 10.d4 Ne4 11.a3 Bd6 12.Bd6 Qd6 13.Nfd2 Be2=+; 8...Be6 9.0-0 Re8 10.a3 Bd6 11.d4 Nc4 12.Bd6 Qd6 13.Bc4 dc4=+; 8...Bd6 9.d4 Bg4 10.Bd6 Qd6 11.Nbd2 Na4 12.Qc1 Nc3 13.Bd3 b5=+) 9.Bc3 Bd6 10.d3 Nb6 11.0-0 Re8 12.Nbd2 Na4 13.Nb1 Qe7-/+; E) 8.a3 Bd6 9.0-0 Nc4 10.Bf6 Qf6 11.Nc3 Be6 12.Nb5 a6 13.Nd6 Nd6=.

7.Be2 c6 A) 8.0-0 Qc7 (8...Bd6 9.Nc3 b5 10.Nd4 b4 11.Na4 Qc7 12.f4 Nb6 13.c3 Ne4=; 8...Nb6 9.a4 Re8 10.d3 Bg4 11.Nbd2 Qe7 12.h3 Be6 13.Nd4 Rab8=; 8...Qe7 9.Nc3 Re8 10.Rb1 Nb6 11.d3 Bg4 12.Nd4 Bd7 13.Nf3 Rad8=+; 8...Re8 9.Nc3 Ne4 10.Ne4 de4 11.Nd4 Nb6 12.Qc1 Bd6 13.f3 Na4=; 8...b6 9.Nc3 Re8 10.Rb1 Bd6 11.Nd4 Qc7 12.f4 Nc5 13.Qe1 a6=+) 9.Nc3 Bd6 10.Qb1 Re8 11.a4 Nc5 12.a5 Bf5 13.Nd1 Ncd7=+; B) 8.Bd4 Qe7 (8...Bd6 9.0-0 c5 10.Bb2 Qb6 11.Qc1 Qc7 12.c4 Ne5 13.Be5 Be5=) 9.0-0 Bd6 10.Bb2 Re8 11.Nc3 Nb6 12.Rb1 Nc4 13.Bc4 dc4=+; C) 8.Nc3 Re8 (8...Ne4 9.Ne4 de4 10.Nd4 Nb6 11.0-0 Na4 12.Qc1 Nb2 13.Qb2 Qa5=+; 8...Qe7 9.0-0 Re8 10.Rb1 Nb6 11.Re1 Nc4 12.Bc4 dc4 13.Qe2 Bf5=+; 8...Nb6 9.a3 Bd6 10.0-0 Re8 11.Re1 Bg4 12.d3 Qe7 13.Nd4 Bd7=+; 8...Bd6 9.0-0 b5 10.Nd4 b4 11.Na4 Qc7 12.f4 Nb6 13.c3 Ne4=) 9.0-0 Nb6 10.Rb1 Ne4 11.Ne4 de4 12.Nd4 c5 13.c3 cd4=+; D) 8.a4 b6 (8...Qe7 9.0-0 Re8 10.a5 Bd6 11.Nc3 Nc5 12.Nd4 Qc7 13.f4 Nce4=; 8...Re8 9.0-0 Bd6 10.a5 Qc7 11.h3 Rb8 12.Ra2 Ne4 13.d3 Nec5=+; 8...Nb6 9.0-0 Re8 10.d3 Bg4 11.Nbd2 Qe7 12.h3 Be6 13.Nd4 Rab8=; 8...Bd6 9.0-0 Re8 10.Nc3 Qc7 11.Ba3 Ne5 12.Bd6 Nf3 13.Bf3 Qd6=+; 8...Qc7 9.0-0 Bd6 10.Nc3 Re8 11.a5 Nc5 12.Na4 Na4 13.Ra4 Ne4=+) 9.0-0 Re8 10.Nc3 Nc5 11.Nd4 Qd6 12.f3 Ne6 13.Ne6 Qe6=+; E) 8.a3 Bc5 (8...Bd6 9.Nc3 Re8 10.0-0 Nb6 11.d3 Qc7 12.Qd2 Be6 13.a4 Nbd7=+; 8...Be7 9.0-0 Re8 10.d3 b5 11.Nbd2 Rb8 12.Nd4 Rb6 13.Rb1 Nc5=) 9.Nc3 b5 10.0-0 Re8 11.Re1 Bd6 12.Nd4 Qc7 13.f4 a6=+.

7.Be2 Bd6 8.0-0 c6 (8...Nb6 9.Nc3 a6 10.Rb1 Re8 11.Nd4 c5 12.Nf3 Nc4 13.Bc4 dc4=+; 8...Re8 9.Nc3 a6 10.Nd4 Nb6 11.Rb1 c5 12.Nf3 Nc4 13.Bc4 dc4=+; 8...a6 9.Nc3 b5 10.Rb1 c5 11.a3 Re8 12.h3 Qe7 13.Re1 Rb8-/+) 9.a4 (9.Ba3 Ba3 10.Na3 Qe7 11.Nb1 Nb6 12.d4 Bg4 13.Nbd2 Rfe8=) 9...Nc5 (9...Re8 10.a5 Qc7 11.h3 Rb8 12.Ra2 Ne4 13.d3 Nec5=+) 10.d3 (10.d4 Nce4 11.Ba3 Bg4 12.Bd6 Qd6 13.Ne5 Be2=+) 10...h6 (10...Re8 11.Nbd2 Be6 12.a5 Rb8 13.Bd4 Qe7=) 11.Nbd2 (11.d4 Nce4 12.Ba3 Bg4 13.Bd6 Qd6=+) 11...Bf5 (11...Re8 12.c4 Bf5 13.cd5 Nd5=) 12.Qb1 Ncd7 (12...Re8 13.Bf6 (13.Re1= b6=) 13...Qf6=; 12...Rb8 13.c4 Re8=) 13.Ba3 (13.c4 Nc5= (13...Qe7=)) 13...Ba3 14.Ra3 Rb8 15.c4 Qe7 16.Qb2 Rfe8 17.Rc1 c5 18.cd5 Nd5 19.d4 b6 20.Bb5 (20.Bc4 Qd6=) 20...Nb4 (20...Red8 21.Rd1=) 21.e4 Bh7 (21...Bg4 22.Bc4=) 22.Re1 (22.Rc4 a6 23.Bd7 Qd7=) 22...a6 23.Bd7 Qd7 24.Qc3 a5 25.d5 Rbd8 26.Re3 (26.Ne5 Qc7 27.Nd3 f5=) 26...f5=+ 27.Ne5 Qe7 28.Nec4 fe4 29.Nb6 Rb8 30.d6 (30.Ndc4 Qa7 31.d6 Rb6 32.Nb6 Qb6-/+) 30...Qd6 31.Nbc4 Qc7 32.Rg3 (32.Re2 Red8-/+) 32...Rbd8 33.Ra1 Rd3 (33...Rf8 34.Na5 e3 35.fe3 Rd2 36.Qd2 Qa5 37.Qd7=) 34.Qb2 (34.Rd3 Nd3 35.Qa5 Qa5 36.Na5 Rf8=+) 34...Kh8 (34...Rg3 35.hg3 Nd3 36.Qb5-/+) 35.Ne3 (35.Rd3 ed3 36.Ne3 Nc2 37.Nc2 dc2-+) 35...Bg8 36.Ndc4 Rd4 (36...Red8 37.Rf1-+) 37.Qc3 Nd3 38.Nd2 (38.Nb2 Rb8 39.Nd3 Rd3-/+) 38...Nf4 39.Re1 Qd7 40.Nef1 (40.Nec4 Nd3 41.Rf1 Bc4 42.Nc4 Qa4 43.Na5 Rb8-+) 40...Ra4 41.h4 Rb4 42.Ne3 (42.Qc5 Nd3 43.Rd3 ed3 (worse 43...Qd3 44.Qa5 Qd6 45.h5-+) 44.Re8 Qe8 45.Qa5 Rh4-+) 42...a4 (42...Nh5!? 43.Rg4-+) 43.Nc2 e3! 44.fe3 (44.Ne3 Qd4 Combination; 44.Ree3 Ne2 Double attack (44...Nd5 Decoy); 44.fe3 Nd5 Combination; 44.Rge3 Nd5 Double attack (44...Nd5 Decoy)) 44...Nd5 45.Qa1 Rh4 46.Nf3 Rc4 47.Na3 (47.Re2 Nc3 48.Rd2 Qf7-+) 47...Rce4 48.Rd1 (48.Nc2 Nb4 49.Re2 Bb3-+) 48...R8e7 (48...Re3 49.Nc4 Re2 50.Kh2-+) 49.Nc2 Qe6 (49...Qc6 50.Rd3-+) 50.Rh3 Rc4 51.Nfe1 Qf6 (51...Qe5 52.Qc1-+) 52.Rf3 (52.Qc1 Nc3 53.Rd2 Bd5-+) 52...Qa1 53.Ra1 Re8 54.Rf5 (54.Ra3 Nc3-+) 54...g6 (54...Ne3!? 55.Ne3 Re3 56.Nf3-+) 55.Rf3 Kg7 56.Kf1 (56.Na3 Rc3 57.Nac2 Nb6-+ (57...Ne3?! 58.Ra4 Re7 59.Ne3 Rce3 60.Re3 Re3 61.Kf2-+)) 56...Nc3 57.Kg1 Rd8 58.e4 (58.Rf2 Ne4 59.Rf1 Bd5-+) 58...Ne2 (worse 58...Ne4 59.Ne3 Rb4 60.N3c2-+) 59.Kf2 Re4 60.Rd3 Rf8 61.Nf3 Nf4 (61...Bb3 62.Re3 Re3 63.Ke3 Re8 64.Kd2-+) 62.Re3 Re3 63.Ne3 Bb3 64.g3 (64.Nd2 Nd5 65.Nf3 Nb4-+) 64…Nd5 0–1. Hansen,Marco (2290) – Vega Palma,Manuel (2415), CiF, 2009.

7.Be2 Bd6 8.Nc3 c5 (8...Nb6 9.Nb5 Nc4 10.Nd6 Nb2 11.Nb7 Bb7 12.Qb1 Rb8 13.Qb2 Ba6=; 8...c6 9.0-0 b5 10.Nd4 b4 11.Na4 Qc7 12.f4 Nb6 13.Nb6 ab6=+.

7.Be2 Re8 A) 8.0-0 c6 (8...Qe7 9.Nc3 c6 10.Rb1 Nb6 11.Re1 Bd6 12.d3 Bg4 13.a4 Rad8=+; 8...Bd6 9.Nc3 a6 10.a4 Qe7 11.Rb1 c5 12.Re1 Qe6 13.d3 b6=+; 8...a6 9.Nc3 Qe7 10.Rb1 b5 11.a4 ba4 12.Na4 c5 13.c3 Ba5=; 8...Nb6 9.Ba3 Ba3 10.Na3 Qe7 11.Nb5 c6 12.Nc3 Ne4 13.Ne4 de4=+) 9.Nc3 Ne4 10.Ne4 de4 11.Nd4 Nb6 12.Rb1 c5 13.c3 cd4=+; B) 8.Nc3 c6 (8...a6 9.0-0 Nb6 10.Rb1 Qd6 11.Qc1 Bc5 12.Re1 Be6 13.a3 Qe7=+; 8...Nb6 9.a3 Bc3 10.Bc3 Ne4 11.Ba5 Nc4 12.Bc4 dc4 13.d3 cd3=+; 8...Nc5 9.a3 Ba5 10.0-0 Nfe4 11.Nb1 Na4 12.Be5 Bg4 13.c3 Bf3=+; 8...Qe7 9.Nb5 Ba5 10.Rb1 a6 11.Nbd4 c5 12.Nf5 Qe6 13.Bd3 b5=+) 9.0-0 Bd6 10.Nd4 Nb6 11.f4 Nc4 12.Rb1 Nb2 13.Rb2 a6=+; C) 8.a3 Bf8 (8...Be7 9.0-0 Nb6 10.Nc3 Nc4 11.Bc4 dc4 12.Ne5 Be6 13.f4 Qd6=+; 8...Bd6 9.0-0 Nb6 10.Nc3 c6 11.d3 Qe7 12.a4 Bg4 13.a5 Nbd7=+; 8...Bc5 9.0-0 Nb6 10.Nc3 c6 11.d3 Be6 12.a4 Qe7 13.a5 Nbd7=+) 9.0-0 Bd6 10.Nc3 a6 11.Nd4 Nb6 12.Qb1 Nc4 13.Bc4 dc4=+.

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

7.Be2 Nbd7 8.0-0 Nb6 9.Ne1 Be6 10.Bf3 Bd6 11.g3 Qe7 12.Nc3 Nc4 13.Rb1 c6 14.d3 Nb2 15.Rb2 b5 16.a4 b4 17.Na2 c5 18.d4 c4 19.c3 b3 20.Nc1 Ba3 21.Rb1 Bf5 22.Rb3 cb3 23.Nb3 Rab8 24.Be2 Ne4 25.Qa1 Rb3 26.c4 Nc3 27.Bd1 Bb2 (27...Bb2 28.Bb3 Ba1 29.cd5 Qe4-+) 0–1. Hasler,Ueli – Boffa,Sergio (1905), CiF, 2006.

7.Be2 Nbd7 8.0-0 c6 9.Nc3 Bd6 10.h3 Bh5 11.Nd4= Be2 12.Nce2 Re8 13.Nf5 Bf8 14.a4 Qc7 15.d3 ½–½. Walker,Susan – Madl,Ildiko, Dobrna, 1985.

7.Be2 Nbd7 8.0-0 c6 9.c4 Re8 10.cd5 Nd5 11.a3 Bd6 12.Nc3 N7f6 13.h3 Bh5 14.d3 Bc7 15.g3 Qd6 16.e4? Ne3-+ 17.Qc1 Nf1 18.e5 Re5 19.Ne5 Ng3 20.fg3 Qd4 21.Kg2 Be5 22.g4 Bg6 23.Nd1 Qd5 24.Bf3 Qd6 25.Be5 Qe5 26.Rb1 Nd5 27.Nf2 Nf4 28.Kh1 Rb8 29.Rb3 h6 30.Be4 Ne2 31.Qe3 Nd4 32.Rb1 b6 33.Kg2 Re8 34.Qd2 Qf6 35.Rf1 c5 36.Qa2 Ne6 37.Qd2 Nf4 38.Kg3 Ne6 39.Kg2 Ng5 40.Qa2 Be4 41.Ne4 Qe6 (41...Qe6 42.Qe6 Re6 (< 42...fe6 43.Ng5 hg5 44.Rd1-+) 43.Ng5 hg5-+) 0–1. Doncea,V – Nemeth,F, Eforie Nord, 2002.

7.Bb2 A) 7...Nc6 A1) 8.Be2 a6 (8...Bf5 9.Nc3 a6 10.0-0 h6 11.Bd3 Qd7 12.Ne2 Ng4 13.h3 Nge5; 8...h6 9.0-0 Bf5 10.Nc3 a6 11.Bd3 Ne4 12.Nd5 Bh2 13.Kh2 Qd5; 8...Re8 9.0-0 a6 10.Nc3 Bf5 11.Nh4 Bd7 12.Nf3 h6 13.Bd3 Nb4; 8...a5 9.0-0 a4 10.a3 Bg4 11.Nc3 Qd7 12.h3 Bf5 13.Nb5 Ne4; 8...Be6 9.Nc3 a6 10.0-0 h6 11.h3 Qd7 12.d4 Bf5 13.Nh4 Bh7) 9.Nc3 b5 10.a3 Bf5 11.0-0 Qd7 12.h3 h6 13.d4 Rfe8; A2) 8.Bd3 Re8 (8...Nb4 9.Nc3 Nd3 10.cd3 Bf5 11.Qb3 c6 12.Ne2 Qb6 13.Be5 Be5; 8...Bd7 9.Nc3 Nb4 10.Be2 h6 11.0-0 a6 12.a3 Nc6 13.Bd3 Qe7; 8...h6 9.Nc3 Nb4 10.0-0 Nd3 11.cd3 c6 12.Qb3 Bf5 13.Ne2 Bg4; 8...g6 9.0-0 Nb4 10.Nc3 Bd7 11.Be2 a6 12.a3 Nc6 13.Bd3 Qe7; 8...Bc5 9.Nc3 Nb4 10.0-0 Qe7 11.Nb5 Bg4 12.h3 a6 13.Nbd4 Bd7) 9.0-0 Nb4 10.Nc3 Nd3 11.cd3 Bf5 12.Qb1 a6 13.Ne2 Bg4; A3) 8.Nc3 Bf5 (8...h6 9.Bd3 Nb4 10.Qe2 c5 11.a3 Nd3 12.Qd3 c4 13.Qe2 Bd7; 8...Bg4 9.Be2 h6 10.0-0 a6 11.h3 Bf5 12.Bd3 Qd7 13.Ne2 Ne4; 8...Re8 9.Be2 Bf5 10.0-0 a6 11.Nh4 Be6 12.Nf3 Qd7 13.h3 Bf5; 8...Qe7 9.Bd3 Nb4 10.Nb5 Bg4 11.h3 Bh5 12.Rb1 Ne4 13.Nd6 Qd6; 8...a6 9.Bd3 Nb4 10.0-0 c5 11.Be2 Bf5 12.Rc1 h6 13.a3 Nc6) 9.Be2 a6 10.0-0 h6 11.Bd3 Qd7 12.Ne2 Ne4 13.Nfd4 Nb4; B) 7...Bf5 B1) 8.Be2 Re8 (8...h6 9.Nc3 Nc6 10.Nb5 a6 11.Nd6 Qd6 12.0-0 Rab8 13.d3 Ng4; 8...Nc6 9.Nc3 a6 10.0-0 Re8 11.Nh4 Be6 12.Nf3 h6 13.h3 Bf5; 8...a6 9.Nd4 Bc8 10.Nf3 Nc6 11.Nc3 Bf5 12.0-0 Re8 13.h3 h6; 8...a5 9.Nd4 Bg6 10.Nc3 Nc6 11.Ncb5 Nd4 12.Bd4 c5 13.Bb2 Bf5) 9.Nc3 Nc6 10.0-0 a6 11.Nh4 Be6 12.Nf3 Qd7 13.h3 h6; B2) 8.Nc3 Nc6 (8...c5 9.Nh4 Bg4 10.Be2 Be2 11.Qe2 g6 12.0-0 Nc6 13.f4 a6; 8...Re8 9.Bd3 Bd3 10.cd3 Nc6 11.0-0 Nb4 12.d4 c6 13.d3 c5) 9.Be2 a6 10.0-0 Re8 11.d3 Qc8 12.Qd2 Qd7 13.h3 h6; B3) 8.Nd4 Be5 (8...Bg6 9.Nc3 Nc6 10.Ncb5 Nd4 11.Bd4 c5 12.Bf6 Qf6 13.Nd6 Qd6; 8...Be4 9.Nc3 Nc6 10.Ne4 Ne4 11.Bd3 Qh4 12.Be4 de4 13.Rb1 h6; 8...Bg4 9.f3 Bh5 10.Nc3 Nc6 11.Ncb5 Nd4 12.Nd4 Re8 13.Be2 Be5; 8...Bd7 9.Nc3 c5 10.Ncb5 cd4 11.Nd6 Bg4 12.Nb7 Qe7 13.f3 Ne4) 9.c3 Bd7 10.f4 Bd6 11.Na3 Nc6 12.Bd3 Qe7 13.Nab5 Bf4; B4) 8.Bf6 Qf6 9.Nc3 Be6 10.Nb5 Nc6 11.Rb1 Qe7 12.Nd6 cd6 13.Bb5 Rac8; C) 7...Qe7 C1) 8.Be2 Nc6 (8...a6 9.0-0 Nc6 10.Nc3 Re8 11.h3 Bf5 12.Nh4 Bd7 13.d4 g6; 8...h6 9.Nc3 Nc6 10.0-0 a6 11.Nd4 Re8 12.Re1 Bd7 13.g3 Bc5; 8...Bd7 9.0-0 Nc6 10.Bf6 Qf6 11.Nc3 Ne7 12.Rb1 b6 13.e4 de4; 8...Bf5 9.Bf6 Qf6 10.Nc3 Be6 11.Nb5 Nc6 12.Rb1 b6 13.0-0 Bf5; 8...Bc5 9.Nc3 Nc6 10.0-0 a6 11.Bd3 Nb4 12.Nd4 Bd7 13.Be2 h6) 9.Nc3 a6 10.0-0 Bf5 11.Bd3 Qd7 12.Ne2 Ne4 13.Nfd4 Bg6; C2) 8.Bd3 Nbd7 (8...Na6 9.Nc3 Bd7 10.Nb5 Nc5 11.Nd6 cd6 12.0-0 Nfe4 13.Be2 h6; 8...Be6 9.Nc3 Nc6 10.0-0 Nb4 11.Nb5 Ne4 12.a3 Nd3 13.cd3 Nc5; 8...c6 9.Nc3 Na6 10.0-0 Nc5 11.Ba3 Nfe4 12.Nd4 f5 13.Qe2 Bd7; 8...Nc6 9.Nc3 Bg4 10.h3 Bf3 11.gf3 Ne5 12.Nb5 Rfe8 13.Rb1 Nd3; 8...Re8 9.Nc3 Na6 10.0-0 Nc5 11.Be2 Bd7 12.Rb1 h6 13.d4 Nce4) 9.Nc3 Nc5 10.0-0 Nd3 11.cd3 c6 12.h3 Be6 13.Qc2 Rac8; C3) 8.h3 Nbd7 (8...Na6 9.Nc3 Bd7 10.Be2 Nc5 11.0-0 h6 12.Nd4 c6 13.a4 Rfe8) 9.Nc3 Ne5 10.Ne5 Be5 11.Be2 d4 12.ed4 Bd4 13.0-0 Qe5; C4) 8.Nc3 Nc6 (8...Re8 9.Bd3 Nbd7 10.0-0 Nc5 11.Be2 a6 12.Nd4 Bd7 13.Rb1 h6; 8...a6 9.Be2 Nc6 10.0-0 h6 11.Nd4 Bd7 12.g3 Nd4 13.ed4 Rfe8; 8...h6 9.Bd3 Nc6 10.0-0 Be6 11.h3 Nb4 12.Nb5 Ne4 13.Be2 Bc5; 8...Bd7 9.Nb5 Nc6 10.Be2 Ne4 11.d3 Nc5 12.Nd6 Qd6 13.Rb1 b5; 8...Bg4 9.h3 Bd7 10.Nb5 Nc6 11.Be2 Ne5 12.Nd6 cd6 13.0-0 Rac8) 9.Bd3 Bd7 10.Nb5 Ne4 11.0-0 f6 12.Qe2 Bg4 13.h3 Be6; D) 7...Bd7 D1) 8.Nc3 Nc6 (8...a6 9.Bd3 c5 10.0-0 Nc6 11.h3 Re8 12.Re1 h6 13.a3 b5) 9.Be2 a6 10.0-0 h6 11.h3 Re8 12.d4 Bf5 13.Bd3 Qd7; D2) 8.Bd3 Nc6 (8...c5 9.Bf6 Qf6 10.Nc3 Bc6 11.Rb1 c4 12.Be2 Nd7 13.0-0 Nc5; 8...Na6 9.Nc3 Nc5 10.0-0 Re8 11.Be2 c6 12.d4 Nce4 13.Ne4 Ne4; 8...a6 9.0-0 Nc6 10.Nc3 Nb4 11.Be2 c5 12.d4 cd4 13.Nd4 Qc7; 8...Re8 9.Nc3 Na6 10.0-0 Nc5 11.Be2 h6 12.d4 Nce4 13.Ne4 Ne4) 9.Nc3 Nb4 10.Be2 Re8 11.0-0 a6 12.a3 Nc6 13.Bd3 h6; D3) 8.c4 dc4 (8...Be6 9.cd5 Nd5 10.Nc3 Nc6 11.Nd5 Bd5 12.Be2 Qe8 13.0-0 f6; 8...Nc6 9.Nc3 Be6 10.cd5 Nd5 11.Nd5 Bd5 12.Be2 Qd7 13.Qa4 Qf5) 9.Bc4 b5 10.Be2 b4 11.d4 Nc6 12.0-0 Bf5 13.Nbd2 Qd7; D4) 8.Be2 h6 (8...Nc6 9.Nc3 a6 10.0-0 Re8 11.Bd3 Nb4 12.Be2 c5 13.d4 Qa5; 8...a6 9.Nc3 Nc6 10.0-0 h6 11.h3 Qe7 12.a3 Bf5 13.Nh4 Bh7; 8...c5 9.Nc3 a6 10.0-0 Nc6 11.d4 cd4 12.Nd4 Qb6 13.Nb3 Be6; 8...g6 9.Nc3 a6 10.0-0 Nc6 11.h3 Qe7 12.a3 Bf5 13.Qb1 Rfd8; 8...Re8 9.0-0 Nc6 10.Nc3 a6 11.h3 h6 12.d4 Bf5 13.Bd3 Qd7) 9.Nc3 a6 10.0-0 Nc6 11.Re1 Re8 12.h3 Bf5 13.Bd3 Qd7; E) 7...h6 E1) 8.Bd3 Re8 (8...Nbd7 9.Nc3 Nc5 10.Nb5 Nfe4 11.Nd6 Qd6 12.0-0 Bg4 13.Be5 Qe7; 8...Na6 9.Nc3 Nc5 10.0-0 c6 11.Qe2 Re8 12.Ba3 Qa5 13.Bc5 Bc5; 8...c6 9.Nc3 Nbd7 10.0-0 Nc5 11.Be2 Qc7 12.h3 Bd7 13.Rb1 Qa5; 8...Nc6 9.Nc3 Nb4 10.0-0 Nd3 11.cd3 c6 12.Qb3 Re8 13.Ba3 Bf5; 8...Bd7 9.Nc3 Na6 10.Nb5 Nc5 11.Nd6 cd6 12.0-0 Nfe4 13.Be4 de4) 9.0-0 Na6 10.Nc3 Nc5 11.Be2 c6 12.Nd4 Bd7 13.f4 b5; E2) 8.Be2 Bf5 (8...Nc6 9.Nc3 a6 10.0-0 Re8 11.h3 Bf5 12.d3 Qe7 13.Qd2 Qd7; 8...a6 9.Nc3 Nc6 10.0-0 Re8 11.h3 Bf5 12.d3 Qd7 13.Qd2 b5; 8...Re8 9.Nc3 Nc6 10.0-0 a6 11.h3 Bf5 12.d3 b5 13.a3 Qd7; 8...Bd7 9.Nc3 a6 10.0-0 Nc6 11.h3 Qe7 12.a3 Bf5 13.d4 Rfe8; 8...Be6 9.Nc3 Nc6 10.Nb5 Ng4 11.Rb1 b6 12.Nfd4 Nd4 13.Nd4 Nf6) 9.Nc3 Nc6 10.Nb5 Re8 11.0-0 a6 12.Nd6 Qd6 13.a4 Ng4; E3) 8.Bb5 c6 (8...a6 9.Bd3 Nbd7 10.Nc3 Nc5 11.0-0 b5 12.h3 Re8 13.Ne2 b4; 8...Nc6 9.Nc3 a6 10.Bd3 Nb4 11.0-0 c5 12.h3 Nd3 13.cd3 Bf5; 8...Nbd7 9.Nc3 Nc5 10.0-0 c6 11.Be2 Qc7 12.h3 Be6 13.Nd4 Bd7; 8...Na6 9.0-0 c6 10.Be2 Nc5 11.Nc3 Qc7 12.h3 Bf5 13.Nd4 Bd7) 9.Be2 Nbd7 10.Nc3 b5 11.a3 Nc5 12.0-0 Qc7 13.h3 Bd7; E4) 8.Nc3 Re8 (8...Nc6 9.Bd3 Nb4 10.0-0 Nd3 11.cd3 c6 12.Qb3 Re8 13.Ba3 Bf5; 8...c5 9.Nb5 Nc6 10.Bd3 c4 11.Be2 Ne4 12.0-0 Bg4 13.d3 cd3; 8...a6 9.Bd3 c5 10.0-0 Nc6 11.e4 d4 12.Nd5 Be6 13.c4 dc3) 9.Be2 Nc6 10.0-0 a6 11.Bd3 Nb4 12.Be2 c5 13.h3 Bf5; F) 7...Re8 F1) 8.Nc3 Nc6 (8...a6 9.Bd3 c5 10.0-0 Nc6 11.h3 h6 12.a4 c4 13.Be2 Bf5; 8...h6 9.Be2 a6 10.0-0 Nc6 11.d3 b5 12.a3 Bf5 13.Qd2 Qd7; 8...c5 9.Be2 a6 10.0-0 Nc6 11.d4 c4 12.h3 Qc7 13.Qd2 h6; 8...a5 9.Bd3 a4 10.Nb5 Nc6 11.0-0 Ne4 12.Be4 de4 13.Nfd4 Ne5; 8...Bg4 9.Be2 Nc6 10.0-0 a6 11.h3 Bf5 12.Nh4 Be6 13.d4 b5) 9.Be2 Bf5 10.0-0 a6 11.h3 Qd7 12.g4 Be6 13.Ng5 h6; F2) 8.Be2 Bf5 (8...a6 9.0-0 Nc6 10.Nc3 Bf5 11.Nh4 Be6 12.Nf3 Qd7 13.h3 Bf5; 8...Nc6 9.0-0 a6 10.Nc3 Bf5 11.Nh4 Be6 12.Nf3 Qd7 13.h3 Bf5; 8...h6 9.Nc3 a6 10.0-0 Nc6 11.d3 b5 12.a3 Bf5 13.Qd2 Qd7) 9.Nc3 Nc6 10.0-0 a6 11.Nh4 Bd7 12.Nf3 h6 13.d3 b5; F3) 8.Bb5 c6 (8...Nbd7 9.Nc3 c6 10.Be2 b5 11.a3 Ne5 12.Ne5 Be5 13.d4 Bd6; 8...Nc6 9.0-0 a6 10.Bd3 Nb4 11.Nc3 Nd3 12.cd3 Bf5 13.Qc2 c5; 8...Bd7 9.Bd7 Nbd7 10.Nc3 Ne5 11.Rb1 Nf3 12.Qf3 c6 13.0-0 b5) 9.Be2 Nbd7 10.Nc3 b5 11.a3 Ne5 12.Ne5 Be5 13.d4 Bd6; F4) 8.Bd3 Na6 (8...Nbd7 9.Nc3 Nc5 10.0-0 Nd3 11.cd3 Bf5 12.Qb1 c6 13.Nd4 Bd7; 8...Nc6 9.0-0 Nb4 10.Nc3 Nd3 11.cd3 Bf5 12.Qb1 c6 13.Nd4 Bd7; 8...h6 9.0-0 Na6 10.Nc3 Nc5 11.Be2 c6 12.Nd4 Bd7 13.f4 b5; 8...Bd7 9.Nc3 Na6 10.0-0 Nc5 11.Qe2 c6 12.h3 b5 13.a3 Nh5) 9.0-0 Nc5 10.Nc3 Nd3 11.cd3 Bf5 12.Qb1 a6 13.Ne2 Bg4.

7.Bd3 A) 7...Na6 A1) 8.Bb2 Nc5 (8...Re8 9.0-0 Nc5 10.Nc3 Nd3 11.cd3 Bf5 12.Qb1 c6 13.Nd4 Bd7; 8...h6 9.Nc3 Nc5 10.0-0 Bd7 11.Qe2 c6 12.Ba3 Qc7 13.Rab1 b5; 8...Nb4 9.Nc3 Nd3 10.cd3 Bf5 11.Qc2 c5 12.Nb5 Be7 13.0-0 a6; 8...c6 9.Nc3 Nc5 10.0-0 b5 11.a3 Nd3 12.cd3 Bf5 13.Qc2 Re8; 8...c5 9.Nc3 Nb4 10.Nb5 Nd3 11.cd3 Bf5 12.Qb3 Be7 13.Be5 a6) 9.Nc3 Re8 10.0-0 Nd3 11.cd3 Bf5 12.Qb1 a6 13.Ne2 Bg4; A2) 8.Ba6 ba6 9.Bf6 Qf6 10.Nc3 Be6 11.0-0 Qg6 12.Rb1 Rfb8 13.Qe2 Rb6; A3) 8.Be5 Bg4 (8...Nc5 9.Nc3 Be6 10.0-0 Nfe4 11.Bd6 Qd6 12.Nd4 Nc3 13.dc3 Bd7; 8...Be6 9.Nc3 Nb4 10.Nb5 Ne4 11.Bd6 cd6 12.0-0 Bg4 13.Nbd4 Rc8; 8...Ne4 9.Nc3 Nac5 10.Bd4 Nc3 11.Bc3 Qe7 12.Qe2 Ne4 13.0-0 c5; 8...Nb4 9.Nc3 Bg4 10.Bd6 Qd6 11.0-0 Rfe8 12.h3 Nd3 13.cd3 Bf5; 8...h6 9.Nc3 Nb4 10.0-0 Bg4 11.Bd6 Qd6 12.h3 Bd7 13.Qe2 Rfe8) 9.Bd6 Qd6 10.h3 Bd7 11.Nc3 Nb4 12.0-0 c5 13.a3 Nd3; A4) 8.0-0 Nc5 9.Bf6 Qf6 10.Nc3 c6 11.Nd4 Nd3 12.cd3 Qg6 13.Qe2 Bh3; A5) 8.Bf6 Qf6 9.Nc3 Nb4 10.Nb5 Nd3 11.cd3 Bf5 12.Nd6 cd6 13.d4 Rac8; B) 7...Nbd7 B1) 8.0-0 Nc5 (8...c6 9.Bd4 c5 10.Bf6 Nf6 11.Nc3 a6 12.e4 c4 13.e5 cd3; 8...Ne4 9.Be2 c6 10.Nd4 Ndc5 11.d3 Nc3 12.Nc3 Be5 13.Bf3 Bd7) 9.Be2 Bg4 10.Bd4 Qe7 11.Nc3 c6 12.h3 Bf5 13.Bc5 Bc5; B2) 8.Bb2 g6 (8...a5 9.Nc3 Nc5 10.0-0 Bd7 11.Be2 c6 12.Rb1 Qc7 13.d4 Nce4; 8...Nc5 9.Nc3 Be6 10.0-0 Nfe4 11.Nd4 Qh4 12.g3 Qh6 13.Ne6 Qe6; 8...Qe7 9.Nc3 Nc5 10.0-0 Bd7 11.Ba3 h6 12.Bc5 Bc5 13.Rb1 Bb6; 8...c6 9.Nc3 b5 10.a3 Nc5 11.0-0 Qc7 12.h3 Bd7 13.Nd4 a5; 8...a6 9.Nc3 Nc5 10.0-0 b5 11.h3 Nd3 12.cd3 c5 13.Qc2 Re8) 9.Nc3 Nc5 10.0-0 Re8 11.Be2 c6 12.Nd4 Ne6 13.Na4 Nd4; B3) 8.Be2 Nb6 (8...Re8 9.0-0 c6 10.Bd4 c5 11.Bf6 Nf6 12.Nc3 a6 13.h3 b5; 8...Qe7 9.0-0 h6 10.Bb2 Nc5 11.Nc3 Bd7 12.Nd4 Nfe4 13.Nd5 Qe8; 8...h6 9.0-0 c6 10.d3 Nc5 11.Nbd2 Na4 12.Bd4 c5 13.Be5 Re8; 8...c6 9.0-0 b5 10.a3 Nc5 11.Bd4 Na4 12.Nc3 Nc3 13.Bc3 Ne4; 8...Ne4 9.0-0 c6 10.Nd4 Ndc5 11.d3 Nc3 12.Nc3 Qf6 13.Bf3 Re8) 9.0-0 Re8 10.Bf6 Qf6 11.Nc3 Bd7 12.Nb5 Bb5 13.Bb5 c6; B4) 8.Bf6 Qf6 9.Nc3 c6 10.0-0 Nc5 11.Qe2 Re8 12.h3 b5 13.a3 h6; C) 7...Be6 C1) 8.Bb2 c5 9.Ng5 Nc6 10.Nc3 Nb4 11.Ne6 Nd3 12.cd3 fe6 13.Nb5 Be7; C2) 8.Bf6 Qf6 9.Nc3 Nd7 10.Nb5 Bg4 11.Rb1 Ne5 12.Be2 Rab8 13.Ne5 Be2; C3) 8.Ng5 Nbd7 (8...Na6 9.Bd4 Nb4 10.Nc3 Bd7 11.Qf3 Bg4 12.Bf6 Qd7 13.Bh7 Kh8 14.Bf5; 8...Nc6 9.Ne6 fe6 10.0-0 e5 11.Bb2 e4 12.Be2 Qd7 13.Nc3 Qe6) 9.Bf6 Nf6 10.Ne6 fe6 11.Nc3 c6 12.0-0 b5 13.Ne2 e5; C4) 8.0-0 Nc6 (8...Nbd7 9.Bb2 Nc5 10.Nc3 Bg4 11.h3 Bh5 12.Nb5 Nfe4 13.Nd6 Qd6; 8...Ne4 9.Bb2 Na6 10.Nc3 Nac5 11.Nd4 Bd7 12.f4 Nd3 13.cd3 Nc3) 9.Bb2 Nb4 10.Nc3 Qd7 11.Be2 Bf5 12.Nd4 Be5 13.Nf5 Qf5; D) 7...Nc6 D1) 8.Bb2 Nb4 (8...Qe7 9.Nc3 Bd7 10.Nb5 Ne4 11.0-0 f6 12.Qe2 Rfe8 13.Rab1 a6; 8...Re8 9.0-0 Nb4 10.Nc3 Nd3 11.cd3 Bf5 12.Qe2 a6 13.h3 c5; 8...Bd7 9.Nc3 Nb4 10.Be2 Qe7 11.0-0 a6 12.a3 Nc6 13.Bd3 h6; 8...Bg4 9.h3 Bh5 10.Nc3 Nb4 11.0-0 Nd3 12.cd3 Qd7 13.a4 a6; 8...h6 9.Nc3 Nb4 10.Qe2 Bd7 11.0-0 Qe7 12.a3 Nd3 13.Qd3 c6) 9.Nc3 Nd3 10.cd3 Re8 11.Nb5 Bf5 12.Qb3 a5 13.Nd6 Qd6; D2) 8.0-0 Ne4 (8...Bd7 9.Bb2 Nb4 10.Be2 Ba4 11.Na3 a6 12.Nd4 g6 13.Qe1 c5; 8...Be6 9.Bb2 Nb4 10.Be2 Bf5 11.Nd4 Be5 12.Na3 c5 13.c3 Bd4) 9.Bb5 Be6 10.d3 Nc3 11.Nc3 Ne5 12.Ne5 Be5 13.d4 Bd6; D3) 8.Bf6 Qf6 9.Nc3 Nb4 10.Nb5 Bg4 11.Rb1 g6 12.0-0 Bc5 13.Nc7 Rac8.

7.Be2 A) 7...Re8 A1) 8.Bb2 Bf5 (8...a6 9.0-0 Nc6 10.Nc3 Bf5 11.Nh4 Bd7 12.Nf3 h6 13.d3 Bf5; 8...Nc6 9.0-0 h6 10.Nc3 a6 11.Bd3 Nb4 12.Be2 c5 13.Rc1 Qa5; 8...Bd7 9.Nc3 Nc6 10.Nb5 Bg4 11.0-0 a6 12.Nd6 Qd6 13.d3 b5; 8...h6 9.Nc3 Nc6 10.Nb5 Bf5 11.0-0 a6 12.Nd6 Qd6 13.a4 Ng4; 8...h5 9.0-0 Nc6 10.Nc3 Bf5 11.Nb5 a6 12.Nd6 Qd6 13.Nh4 Bh7) 9.Nc3 Nc6 10.0-0 a6 11.Nh4 Bd7 12.d4 b5 13.Nf3 b4; A2) 8.Bf6 Qf6 9.Nc3 c6 10.0-0 Nd7 11.Nd4 Be5 12.Nf3 Bc3 13.dc3 Qc3; A3) 8.0-0 h6 (8...Nc6 9.Bf6 Qf6 10.Nc3 Be6 11.Rb1 Rab8 12.Nb5 Bf5 13.Bd3 Be4; 8...Na6 9.Bb2 Nc5 10.Nc3 Bd7 11.Rb1 Nce4 12.d3 Nc5 13.h3 h6; 8...Be6 9.Bf6 Qf6 10.Nc3 Nc6 11.Rb1 Rab8 12.Nb5 Bf5 13.Bd3 Be4; 8...Bd7 9.Bf6 Qf6 10.Nc3 c6 11.Nd4 b5 12.a3 Be5 13.Nf3 Bc3; 8...Nbd7 9.Bb2 Nc5 10.Nc3 c6 11.Nd4 Bd7 12.Qe1 Qb6 13.Rb1 Qa5) 9.Bf6 Qf6 10.Nc3 c6 11.Nd4 Nd7 12.Rb1 Be5 13.Nf3 Bc3; B) 7...Nbd7 B1) 8.0-0 c6 (8...Re8 9.Bb2 Nc5 10.Nc3 c6 11.d4 Nce4 12.Nd2 Nd2 13.Qd2 Bf5; 8...a6 9.d3 Qe7 10.Nbd2 Nc5 11.Rb1 b5 12.Nd4 Na4 13.Ba1 Bd7; 8...Qe7 9.Bb2 Nc5 10.Nc3 Bd7 11.Nd4 a6 12.f3 Be5 13.Ba3 b5; 8...Nb6 9.Be5 Be5 10.Ne5 Qd6 11.f4 d4 12.Bd3 de3 13.de3 Nfd5; 8...h6 9.Bb2 Nc5 10.Nc3 Bd7 11.Nd4 c6 12.Qe1 Qb6 13.Rb1 Qa5) 9.d3 Nc5 10.Nbd2 Na4 11.Bd4 c5 12.Be5 Re8 13.d4 Nc3; B2) 8.Bb2 Nc5 (8...Qe7 9.0-0 Nc5 10.Nc3 Bd7 11.Nd4 c6 12.a4 Rfe8 13.f3 Qd8; 8...h6 9.Nc3 Nc5 10.0-0 Bd7 11.Nd4 c6 12.Qe1 b5 13.a3 Re8; 8...c6 9.Nc3 b5 10.a3 Nb6 11.d3 Qc7 12.h4 Bd7 13.h5 h6; 8...Ne4 9.d3 Nec5 10.Nc3 Nf6 11.Nb5 Re8 12.0-0 a6 13.Nd6 Qd6; 8...Nb6 9.Nc3 Bg4 10.0-0 Nc4 11.Bc4 dc4 12.h3 Bh5 13.Nb5 Re8) 9.Nc3 Bd7 10.0-0 Qe7 11.Nd4 Nfe4 12.Nd5 Qh4 13.Nf3 Qh6; C) 7...Na6 C1) 8.0-0 Bf5 (8...Nb4 9.Bb4 Bb4 10.Nc3 Qe7 11.Bd3 Rd8 12.Nb5 a6 13.a3 Bc5; 8...Bg4 9.d3 Nc5 10.h3 Bf5 11.Bd4 c6 12.Nc3 b5 13.Rb1 Ne6; 8...Ne4 9.d3 Nc3 10.Nc3 c6 11.Qd2 Qa5 12.a3 Nc5 13.d4 Ne6; 8...h6 9.Bb2 Nc5 10.Nc3 Bd7 11.Qe1 Qe7 12.Nd4 Nfe4 13.Nd5 Qh4; 8...Be6 9.Bb2 c6 10.Nc3 Qc7 11.g3 Nc5 12.Nd4 Qd7 13.Re1 Rfe8) 9.Nd4 Bd7 10.Bb2 Nc5 11.Nc3 c6 12.Qe1 b5 13.a3 a5; C2) 8.Bb2 Bf5 (8...c5 9.Nc3 Nb4 10.a3 Nc6 11.Nb5 Be7 12.0-0 a6 13.Nc3 d4; 8...Nb4 9.Nc3 Bf5 10.Nd4 Bg6 11.a3 c5 12.ab4 cd4 13.Nb5 de3; 8...Qe7 9.Nc3 Nc5 10.0-0 a6 11.Nd4 h6 12.f3 Bd7 13.Qe1 b5; 8...Bd7 9.Nc3 Nc5 10.0-0 h6 11.Nd4 c6 12.f4 Re8 13.a4 Qc7; 8...c6 9.Nc3 Nc5 10.0-0 Qc7 11.h3 b5 12.a3 Bd7 13.Kh1 Rfe8) 9.Nc3 Nb4 10.Nd4 Qd7 11.a3 Nc6 12.Nf5 Qf5 13.0-0 Rfe8; D) 7...Be6 D1) 8.Bb2 Nc6 (8...a6 9.Nd4 Bd7 10.Nc3 c5 11.Nb3 c4 12.Nd4 Nc6 13.Nc6 Bc6; 8...h6 9.Nc3 Nc6 10.Nb5 Bf5 11.0-0 Ne4 12.d3 Nc5 13.Qd2 Re8; 8...Qe7 9.Nc3 a6 10.0-0 Nc6 11.h3 h6 12.Re1 Rfe8 13.Bd3 Nb4; 8...Re8 9.Nc3 a6 10.Bd3 Nc6 11.0-0 b5 12.a3 Qd7 13.Ne2 Ne4; 8...Bf5 9.Nd4 Bd7 10.Nc3 Nc6 11.Nc6 bc6 12.Rb1 Rb8 13.0-0 Qe7) 9.Nc3 a6 10.0-0 Qd7 11.Bd3 Bf5 12.Ne2 Ne4 13.Ng3 f6; D2) 8.0-0 Nc6 (8...a6 9.d3 Nc6 10.Nbd2 Qe7 11.h3 h6 12.Nb3 b5 13.Qd2 b4; 8...Qe7 9.Bb2 Nc6 10.Nc3 a6 11.Re1 Rfe8 12.h3 Qd7 13.Bd3 Bf5; 8...Ne4 9.Bb2 Nc6 10.Nc3 h6 11.d3 Nc3 12.Bc3 b5 13.Qd2 b4; 8...h6 9.Nd4 Bd7 10.Bb2 Nc6 11.Nb5 Bb4 12.Bf6 Qf6 13.N1c3 Bc3; 8...a5 9.Bb2 a4 10.Na3 Nc6 11.Ng5 Ne4 12.Ne4 de4 13.Nc4 a3) 9.Bb2 h6 10.Nc3 a6 11.h3 Qd7 12.d4 Bf5 13.Bd3 Rfe8; E) 7...Nc6 E1) 8.Bb2 a6 (8...a5 9.Nc3 Bf5 10.0-0 a4 11.a3 h6 12.Nb5 Re8 13.Nh4 Bh7; 8...Bg4 9.Nc3 Re8 10.0-0 h6 11.Nb5 a6 12.Nd6 Qd6 13.d3 b5; 8...Bf5 9.Nc3 a6 10.0-0 h6 11.Bd3 Qd7 12.Ne2 Ne4 13.Ng3 Rfe8; 8...Re8 9.0-0 a6 10.Nc3 Bf5 11.Nh4 Bd7 12.Nf3 h6 13.h3 Bf5; 8...h6 9.Nc3 a6 10.0-0 Bf5 11.Nh4 Bh7 12.Nf3 Re8 13.h3 Bf5) 9.Nc3 b5 10.a3 Bf5 11.0-0 Re8 12.Nh4 Bd7 13.Nf3 h6; E2) 8.0-0 a6 (8...Bf5 9.Bb2 a6 10.Nc3 Re8 11.Nh4 Bd7 12.Nf3 h6 13.Re1 Bf5; 8...Ne4 9.d3 Nc3 10.Nc3 Bb4 11.Nb5 a6 12.Nbd4 Nd4 13.Nd4 c5; 8...Re8 9.Bf6 Qf6 10.Nc3 Be6 11.Rb1 Rab8 12.Nb5 Bf5 13.Bd3 Be4; 8...Bd7 9.Bf6 Qf6 10.Nc3 Ne7 11.Rb1 Rab8 12.Re1 Qh6 13.e4 de4; 8...Be6 9.Bb2 h6 10.Nc3 a6 11.Bd3 Nb4 12.Nd4 Bd7 13.Ba3 Nd3) 9.Bb2 Bf5 10.Nc3 h6 11.Bd3 Qd7 12.Ne2 Ne4 13.Ng3 Rfe8; E3) 8.Bf6 Qf6 9.Nc3 Be6 10.Rb1 Rab8 11.Nb5 d4 12.ed4 Ba2 13.Ra1 Bd5.

7.Be5 c5 (7...Be5 8.Ne5 d4 (8...Re8 9.Nf3 Bf5 10.Bd3 Bd3 11.cd3 Nc6 12.0-0 b5 13.d4 Qd6; 8...Qe7 9.Nf3 c5 10.Bd3 Nc6 11.0-0 c4 12.Be2 Bf5 13.Nc3 h6; 8...Qd6 9.Nf3 Nc6 10.Nc3 Bg4 11.Bd3 Rfe8 12.0-0 Ne4 13.Nb5 Qd7) 9.Bd3 Qd5 10.Nf3 Nc6 11.0-0 Bg4 12.h3 Bf3 13.Qf3 Qf3) 8.Bd6 (8.Bf6 Qf6 (8...gf6 9.Nc3 d4 10.Nb5 Nc6 11.Bd3 Be7 12.0-0 a6 13.Na3 Be6) 9.Nc3 Nc6 10.Nd5 Qf5 11.c4 Re8 12.Be2 Be6 13.Qb1 Nb4) 8...Qd6 9.c4 (9.Nc3 Nc6 10.Bd3 c4 11.Be2 a6 12.0-0 b5 13.a3 Bf5) 9...d4 (9...Nc6 10.cd5 Nd5 11.Nc3 Nc3 12.dc3 Qf6 13.Qc1 Bh3) 10.d3 (10.Na3 a6 11.g3 Nc6 12.Bg2 Bf5 13.Qb3 de3) 10...de3 11.fe3 Re8 (11...Ng4 12.Nc3 Ne3 13.Qd2 Re8) 12.Qc1 (12.e4 Nc6 13.Nc3 Nd4) 12...Bg4 (12...Nc6 13.Qd2 Nd4) 13.Kf2? (13.Nc3 Nc6 14.Be2 Nb4-/+; 13.Be2 Nc6) 13...Nc6 (13...Bf3 14.gf3 Ng4 15.fg4 Qf6 16.Kg3 Qa1 17.Bg2 Qe5 18.Kf2 Qf6 19.Ke2-+) 14.Be2 (better 14.Nc3!?-/+) 14...Bf3 15.gf3 Re7 (better 15...Ng4! 16.fg4 Qf6 17.Kg2 Qa1-+) 16.Nc3 Rae8 17.Ne4 Ne4 18.de4 f5! 19.f4 (19.ef5 Qe5 Double attack (19...Qe5 Decoy)) 19...Re4 20.Rg1? (20.Bf3 Re3 21.Bd5 Kf8 22.Qe3 Re3 23.Ke3-+) 20...Re3 21.Qe3 Re3 22.Ke3 Qd4 23.Kf3 Qe4 24.Kf2 Qf4 25.Bf3 (25.Kg2-+) 25...Nd4 26.Rg3 Nf3 27.Rf3 (27.Kg2 Qd2 28.Kf3 Qc3 29.Kf4 Qa1 30.Kf5 Qa2-+) 27…Qd4 (27...Qd4 28.Kg2 Qa1-+) 0–1. Corneloup,Jerome – Birens,EA (2045), 2nd Open, Gap FRA, 2008.

7.Bf6 Qf6 8.Nc3 c6 9.Nd4 Be5 10.Be2 Nd7 11.0-0 Bd4 12.ed4 Qd4 13.Rb1 Nc5.

7.Bb2 Qd6 8.0-0 Nc6 9.Bb5 Bf5 10.Nc3 Rad8 11.d3 Ba5 12.Ne2 a6 13.Bc6 Qc6 14.Nh4 Bc8 15.Ng3 Rfe8 16.Nhf5 g6 17.Nh6 Kf8 18.Qc1 Ng8 19.e4 d4 (worse is 19...de4 A) 20.de4?? Bd2 21.Nf7 Bc1 22.Nd8 Rd8 (22...Bb2?! 23.Nc6 Ba1 24.Ra1 bc6 25.a3-+) 23.Bc1 Qa4-+; B) 20.Ne4 Re4 21.Ng8= (worse is 21.de4 Bd2 22.Qd1 Nh6-/+)) 20.f3 ½–½. aspasio (2700) – rajagopal, net–chess.com, 2013.

7.c4 dc4 8.Bc4 Nc6 9.Bb2 Bg4 10.0-0 Ba5 11.Bb5 Rc8 12.Be2 Qd6 13.h3 Bh5 14.Qc1 Bc7 15.g3 Ne4 16.d4?? Ng3!-+ 17.fg3 Qg3 18.Kh1 Bf3 0–1. SteVeYBoY (1665) – Reg_UK (2185), ChessWorld.net, 2003.

7.c4 Nc6 8.Bc3 (8.Bb2 dc4 9.Bc4 Be6=+) 8...Bc3 (8...d4 9.Bb4 Nb4 10.Bc2-/+) 9.Nc3 d4 (9...Nb4 10.Qb1-/+) 10.Ne4= Ne4 11.Be4 Be6 12.d3 Qa5 (12...de3 13.fe3 Na5 14.Rb1=+) 13.Qd2= Qd2 (13...Qc7!?=) 14.Kd2+= Rfd8 15.Bc6 bc6 16.Rab1 de3 17.Ke3 Rab8 (17...Rd6 18.Rb3=) 18.Ne5 (18.Ng5 Rb6+=) 18...Bf5 Attacks the backward pawn on d3 (18...Rb1 19.Rb1 f6 20.Nc6 Rd3 21.Kd3 Bf5 22.Kc3 Bb1 23.Na7 Ba2 24.Nb5+-) 19.g4 (19.Kf4 g6 20.Rb8 Rb8+=) 19...Bg6 (19...f6!?=) 20.Rb8 Rb8 21.Nc6 Re8 22.Kd2 Re6 23.Na7 Rd6 24.Re1 (24.Nb5!? Rd3 25.Ke2+/-) 24...Rd3+= 25.Kc1 h6 (25...f6 26.Nb5 Rf3 27.Re2+=) 26.Nb5 (26.f4 f5 27.gf5 Bf7+/-) 26...Rh3 (26...Rf3 27.Re8 Kh7 28.Re2=) 27.Re5 (27.Nd6!?+=) 27...Rh2= 28.Rc5 Rf2 29.Rc8 Kh7 30.c5 (30.a3 Rg2=) 30...Ra2 31.c6 Rc2 32.Kd1 Be4 33.c7 Rc5 34.Nd6? (34.Ke2 Bd5 35.Rb8 Be6-/+) 34...Bd5 (34...Bf3 35.Ke1 Bg4 36.Rf8 Rc7 37.Rf7 Rf7 38.Nf7-+) 35.Ke1? (better 35.Ne8-/+) 35...Be6-+ 36.Re8 (36.Ra8 Rc7 37.Ra4 Rd7-+) 36...Rc7 37.g5 hg5 38.Ne4 Kg6 39.Ng3 Rc5 40.Ne2 Re5 41.Kf2 Rf5 42.Ke1 Bc4 43.Re3 Be2 44.Re2 f6 45.Kd1 (45.Rc2 g4-+) 45...Re5 46.Rg2 Kf5 (46...f5 47.Kc2-+) 47.Kd2 g4 48.Rf2 (48.Kd3 Kf4-+) 48...Kg5 49.Rh2 (49.Kd3 f5-+) 49...Rf5 (49...f5 50.Rh7-+) 50.Rg2 g6 51.Rg1 Kf4 (better 51...Rd5 52.Kc3 f5-+) 52.Rg2 (52.Rb1-+) 52...g3 53.Rh2 (53.Rg1 Kf3-+) 53...Kg4 (53...Rd5 54.Ke2 gh2 55.Kf2 h1Q 56.Ke2 Qf3 57.Ke1 Rd1) 54.Rh1-+ Rf2 55.Kd3 g2 56.Rh6 (56.Rg1 Kf3 57.Kc3 g5-+) 56...Kg3 (better 56...g5 57.Rf6 Rf6 58.Kc4 g1Q 59.Kb4 Qd4 60.Ka5 Rf5 61.Ka6 Qb4 62.Ka7 Ra5) 57.Rg6 Kf3 (better 57...Kh2 58.Rh6 Kg1 59.Rh8-+) 58.Rf6 Kg3 59.Rh6 (59.Rg6 Kf4 60.Rf6 Kg5 61.Rf2 g1Q-+) 59...g1Q (better 59...Rf4 60.Rg6 Rg4 61.Rg4 Kg4-+) 60.Rg6 Kh2 61.Rh6 Kg2 62.Re6 (62.Rg6 Kf1 63.Rg1 Kg1 64.Ke4-+) 62…Kf1 (62...Kf1 63.Re4 Qg3 64.Kc4 Rd2 65.Kb4 Qd6 66.Kc3 Qd3 67.Kb4 Qe4 68.Kc5 Rd5 69.Kb6 Qe6 70.Kc7 Rd7 71.Kb8 Qe8; 62...Qd1 63.Ke4 Re2 64.Kf5 Qd5 65.Re5 Qf7 66.Kg4 Re5 67.Kh4 Qc4) 0-1. FinalCut (2205) - jmb2010 (2325), Rated Bullet tournament, lichess.org, 2016.

7.0-0 Ne5-/+ 8.Ne5 Bd6 9.Nf3 c6 10.Nc3 b5 11.h3 Bd7 12.e4 de4 13.Ne4 Ne4 14.Be4 Qc7 15.d4=+ Rae8 16.Re1 Re7 17.d5 c5 18.c3 g6 19.Bc2 Re1 20.Ne1 Be5 21.Qf3 Qa5 22.a4? Bc3 23.Rb1 Be1 24.ab5 Bb5 25.d6 a6 26.h4 Qc3 27.Qe4 Re8 (27...Re8 28.Rb3 Qd2-+) 0–1. khani9 – Agove, ChessWorld.net, 2007.

7.Bb2 Bg4 8.h3 Bh5 9.Nc3 (9.0-0 Re8=+) 9...Re8 10.a3 Bf8 11.g4 Bg6 12.Ne2 (12.Bg6 fg6 13.Qe2 Na5=) 12...Bd6 (12...Bd3 13.cd3 Bd6 14.Rb1-/+) 13.Ned4 (13.Bg6 fg6 14.d3 Qe7=+) 13...Ne4 (13...Nd4 14.Nd4 Bd3 15.cd3-/+) 14.h4 (14.Nf5 Bf5 15.gf5 Qd7=+) 14...h5 (14...Nd4 15.Nd4 c5=+) 15.gh5 Bh5 16.Nf5 (better 16.Nc6!? bc6 17.Be2=) 16...Be5-/+ 17.Be5 Ne5 18.Be2 Qf6 19.Ne5 (better 19.N3d4 Be2 20.Qe2-+) 19...Qf5 (19...Re5 20.Bh5 Rf5 21.Bf7 Kf7 22.f4-+) 20.Nf3 (20.Nd3 Be2 21.Qe2 d4=+) 20...Re6 (20...d4 21.Rf1 de3 22.fe3 Qh3-+) 21.d3? (better 21.Rf1=+) 21...Nc3-+ 22.Nd4 Be2?? (better 22...Qe5 23.Qc1 c5-+ (23...Ne2?! 24.Ne2 d4 25.Rh3-/+)) 23.Qe2 (23.Qd2 Qe5 24.Qc3 Rc6=) 23...Qf6 (23...Qe5 24.Qg4 Nb5 25.Kd1=+ (worse 25.Ne6 Qa1 26.Ke2 Qb2-/+)) 24.Qg4= Rb6 25.Kd2 c5 26.Nf5 (26.Kc3? cd4 27.Kd2 Qf2 28.Qe2 de3 29.Kd1 Re8-+) 26...Rd8 Black prepares the advance d4 (26...g6 27.Qg5 Kf8 28.Qf6 Rf6 29.h5 Rf5 30.hg6=) 27.f3 (27.Rag1 g6 28.h5 Kf8 29.hg6 fg6+-) 27...d4 (27...g6 28.Ng3=) 28.e4 c4 (28...g6!?+=) 29.Rag1+/- cd3 (better 29...g6!? 30.h5 cd3 31.hg6 fg6+=) 30.Qg7+- Qg7 31.Rg7 (31.Ng7?! Kh8 32.Kd3 Ra6+/-) 31...Kf8 32.Kd3 Nb1 (32...Rg6 33.Rg6 fg6 34.Nd4 Nb5+-) 33.Rhg1 Ke8 34.Rh7 (34.Nd4?! Rdd6 35.Rg8 Ke7+-) 34...Na3 (34...Kd7 35.Rf7 Kc8+-) 35.Rg8 Kd7 36.Rf7 Kc8 37.Ne7 Kc7 (37...Kb8 38.Rd8 Kc7 39.Rh8+-) 38.Nd5 Kc8 39.Nb6 (39.Rc7 Kb8 40.Rd8) 39...ab6+- 40.Rgg7 Nb5 41.Rb7 Rh8 (41...Rd6 42.Rbf7+-) 42.Rb6 Nc7 (42...Nc3 43.Kd4 Nd1 44.Rc6 Kb8 45.Rc5 Rh4 46.Rg1+-) 43.Rc6 1-0. DrunkBukowski (2350) - maybeacat (2280), Rated Classical game, lichess.org, 2016.

7.Bb2 c6 8.Be2 Re8 9.0-0 Nf8 10.d4 Ng6 11.c4 Ne4 12.Bd3 Bg4 13.cd5 cd5 14.Be2 Rc8 15.Nfd2? Be2-+ 16.Qe2 Rc2 17.Bc1 Qa5 18.a3? Bd2 19.Nd2 Nd2 (19...Nd2 20.Qd3 Nf1 21.Qc2 Qe1-+) 0–1. kingscrusher – hooks, ChessWorld.net, 2005.

7.Bb2 Re8 8.a3 Bd6 9.0-0 Nc5 10.Nc3 Nd3 11.cd3 a6 12.h3 c5 13.d4 c4 14.a4 Rb8 15.d3 b5 16.ab5 ab5 17.Re1 b4 18.Ne2 c3 19.Nc3 bc3 20.Bc3 Qc7 21.Rc1 Qd7 22.Ne5 Qf5 23.e4 de4 24.de4 (24.g4 Qg5 25.de4 Bb7-+) 24...Ne4 25.Qf3 Nc3 26.Rc3 Qf3 27.Nf3 Re1 28.Ne1 Kf8 29.g4 Be6 30.Nd3 Ra8 31.f3 Ra4 32.d5 (32.Kf2 Rd4 33.Ke3 Rd5-+) 32...Bd5 33.Nc5 (33.Kf2 g5-+) 33...Ra3! 34.Nd7 (34.Ra3 Bc5 Double attack (34...Bc5 Decoy)) 34...Ke7 35.Ra3 Ba3 (35...Kd7?! 36.Rd3 Ke6 37.h4-+) 36.Ne5 Kd6 37.f4 Bc1 38.Nd3 Be3 39.Kh2 Be4 40.Ne1 Bf4 41.Kg1 Be3 42.Kh2 Bf2 43.Ng2 Ke5 44.Kh1 Bd3 45.Kh2 Ke4 46.h4 Kf3 47.Kh3 (47.g5-+) 47...Bf1 48.h5 (48.Kh2 Bg2 49.h5 Be3 50.h6 Kf2 51.hg7 Bf4) 48…Bg3 (48...Bg3 49.g5 Bg2) 0-1. Borup,John - Hort,Wolfgang (1705), 04. VCC-Open (HP), 2001.

7.Bc3 Be7 8.Bb2 Ne5?? 9.Be2?? Be6?? 10.0-0?? Ne4?? 11.d3?? Nd6?? 12.Nbd2?? c5?? 13.a4?? Qc7?? 14.h3 Rac8?? 15.Be5+– Qd7 16.c3 h6 17.Bh2 Rfd8 18.Ne5 Qe8 19.g4 b6 20.f4 c4 21.d4 Ne4 22.Ne4 de4 23.Qc2 f5 24.Kh1 Rb8 25.Bf3 Rb7?? 26.Be4 fe4+= 27.f5 Bf7? 28.Qf2 Bf6 29.h4 Rc8 30.Kg2 a6 31.Bf4 Qd8 32.Kh3 (32.Kh3 Rcc7 33.Qg3+=). Roczniak,Jan – Uznanski,Jerzy, Poland, 1981.

7.0-0 Nc6 8.Bb2 Re8 9.c4 dc4 10.Bc4 Bg4 0–1. msmsk – German04, playchess.de, 2001.

7.c3 Bd6 8.d3 Nf6 9.Bd6 Qd6 10.0-0 Re8 11.Nbd2 Nc6 12.Qb3 a6 13.a4 b6 14.Rfe1 Bg4 15.Qc2 Qe6 16.h3 Bf5 17.Rab1 Nd7 18.e4 de4 19.de4 Bg6 20.Bc4 Qf6=+ 21.Rbd1 Be4?? 22.Ne4+– Qf5 23.g4 Nde5 24.gf5 Nf3 25.Kg2 Ne1 26.Re1 Ne5 27.Qe2 Nc4 28.Qc4 Rec8 29.Ng5 Rf8 30.Qc7 b5 31.Re7 (31.Re7 Rac8 32.Qe5+–) 1–0. marekt – sultan_velmoja, Yahoo, 2005.

7.0-0 Nbd7 8.Bb2 c6 9.Nd4= Qe7 10.f4 Nb6 11.Ne6 Qe6 12.g4 Nc4 13.Bc4 dc4 14.f5 Qd6 15.Rf4 Nd5 16.Rc4?? Ne3!-+ 17.Qe2 Nc4 18.Qc4 Qc5 19.Qc5 Bc5 20.d4 Bb6 21.Nd2 Rad8 22.Nf3 Rfe8 23.Kf2 f6 24.Re1 Kf7 25.h3 Rd5 26.Re8-/+ Ke8 27.Ke3 Rb5 28.Bc3 Rb1 29.Ne1 Bc7 30.Kf3 Bd6 31.Nd3 Rh1 32.Nf2 Rc1 33.Ne4 Be7 (33...Be7 34.a4 Rc2-+) 0–1. Tuchtenhagen,Harald – Kliewe,Hans Juergen, Mecklenburg VP LL1, 1999.

7.a3 Be7=+ 8.0-0 c5 9.Bb2 Nc6 10.d3 Qb6 11.Qc1 d4 12.c4 Rfe8 13.Nbd2 Bd6 14.Re1 Rad8 15.ed4 Nd4 16.Rb1 Qc7 17.Bd4 cd4 18.Qb2 Bc8 19.Nb3 Be5 20.Ne5 Qe5 21.Bf1 Qd6 22.Re8 Ne8 23.Re1 Nf6 24.Nd2 b6 25.Qb4 Qb8 26.c5 Be6 27.cb6 Qb6 28.Qb6 ab6 29.Rb1 Nd5 30.g3 Kf8 31.Bg2 Rc8 32.Nf3 Rc3 33.Nd4 Rd3 34.Ne6 fe6 35.Bd5 ed5 36.Rb6 Ra3 37.Rd6 Rd3 38.Rd7 Rd1 39.Kg2 d4 40.h4 h5 41.Kf3 Rd2 42.Rd5 g6 43.Rd7 Kg8 44.Re7 Rd3 45.Ke2 Ra3 46.Re4 Ra2 47.Kf3 Ra3 48.Kf4+/- Ra2 49.Kg5 Rf2 50.Kg6 Rf3 51.Re8 Rf8 52.Re5 Rd8 53.Kh5+/- d3 54.Re1 d2 55.Rd1 Kg7 56.Kg4 (better is 56.Kg5!?+/-) ½–½. Bonetti,Shane – Lindner,Joachim, T15–09.89 ETC, 2003.

7.0-0 Nc6 8.a3 Be7 9.Bb2 Qd7 10.d3 Rae8 11.Nbd2 Bg6 12.Nb3 Ng4 13.h3 Nh6 14.d4 b6 15.Rc1 Bd6 16.c4+= dc4 17.Bc4 Nd8 18.Bd3 f5 19.Qc2 Bf7 20.Nbd2 Kh8 21.Nc4+= Bd5 22.Nd6 cd6 23.Nd2 Ne6= 24.Bc4 Bb7 25.Qb3 Nc7 26.a4 Rc8 27.d5 Ng8 28.Nf3 Ne7 29.Rfd1 Na6 30.Bb5 Qd8 31.Ng5 Nc5? 32.Rc5! Rc5 33.Ne6 Qc8 34.Bg7 Kg8 35.Nc5 Qc5 36.Bf8 Kf8 37.Qb2 Ng6 38.Qf6 Kg8 39.Bd7 (39.Bd7 Bc8 40.Qd8 Kg7 41.Bc8+–) 1–0. Mogstad,Ola P – Bryn,Thomas, Norway, 1999.

7.0-0 Nbd7 8.Bb2 c6 9.a4 Qc7 (9...h6 10.Bf6 Nf6 11.c3+=) 10.d4 (10.Nh4 Bg6=) 10...Bd6 11.Ba3 Ba3 12.Ra3 Rac8 13.c4 dc4 14.Bc4 Qd6 15.Bd3 Bd3 16.Qd3 Rfe8 17.Rb3 b6 18.Nbd2 Qd5 (18...c5 19.g3=) 19.Qc4 (19.Rc1 h6=) 19...Ne4 20.Qd5 cd5 21.Ne4 de4 22.Nd2 Rc2 23.Rd1 f5 24.Rb5 Rec8 25.Rf5?? (better is 25.h3 the only rescuing move 25...g6 26.g4=) 25...Rd2!-+ 26.Ra1 (26.Rd2 Rc1 Mate attack) 26…Ra2! Mate attack (26...Ra2 27.Rf1 Ra4-+) 0–1. Huelle,Gunter – Vieten,Mario (1610), Leipzig VfB op, 2002.

7.0-0 Nbd7 8.Bb2 c6 9.d4 Nb6 10.Nbd2 Ne4 11.Ne4 de4 12.Ne5 Qg5 13.Bg4 Bg4 14.Qg4 Qg4 15.Ng4 h5 16.Ne5=+ Kh7 17.c4 f6-/+ 18.c5 fe5 19.cb6 ed4 20.Bd4 ab6 21.Bb6 Ra6 22.Bd4 c5 23.Be5 Re8 24.Bb2 Rea8 25.Rfd1 Ra2 26.Rab1 b5 27.Rd7?? Rb2! 28.Rbd1 Raa2 29.Rf7 Rd2 30.Rb1 c4 31.g3 Rdb2 32.Rd1 Bd2 33.Rd7 c3 (33...c3 34.Rc7 b4-+) 0–1. Madhukiran,G (2010) – Bhakti,K (2110), Parsvnath ch–Commonwealth (8), 2007.

7.0-0 Nbd7 8.Bb2 c6 9.Nd4 Bg6 10.f4 h6 11.a3 Bc5 12.c4 dc4 13.Bc4 Re8 14.Nf3 Bd6 15.a4 Nd5 16.Bd5 cd5 17.Qb3 Qb6 18.Qb6 Nb6 19.Bd4 Bd3 20.Re1 Nc4 21.Nc3 Be4 22.Nb5 Bb8 23.Nc3 Bf3= 24.gf3 Nd2 25.Kf2 Nb3 26.Rad1 Rd8 27.Rg1 Nd4 28.Rd4 a6 ½–½. Bonetti,Shane (2125) – Lindner,Joachim (2015), PCM ETC, 2006.

7.a3 Ne5 8.ab4 =+.

7.Bb2 Re8 8.c3 Bd6 9.Be2 Qe7 10.0-0 Bf5 11.d3 h6 (11...Ne5 12.Nd4 Bd7 13.c4=+) 12.Nbd2 Ne5 13.Ne5 Qe5 Threatening mate: Qh2 14.Nf3 Qe7 15.Nh4 Bh7 16.Nf3 Qd7 17.a4 b6 18.Nh2 (18.Rc1 Qe6=) 18...Rad8 (18...Qe6 19.a5=+) 19.Ng4 (19.a5 Qe6=) 19...Ng4 20.Bg4 Bf5 21.Bf5 Qf5 22.d4 Re6 23.Bc1 (23.a5 Rg6 24.Kh1 Qe4=+) 23...Rg6 The mate threat is Qxh3 24.Kh1 Qg5 Do you see the mate threat? 25.Qf3 Rf6 26.Qg4 (26.Qe2 Re6=+) 26...Qg4-/+ 27.hg4 Re8 28.f4 (28.Kg1!?-/+) 28...Rg6-+ 29.g5 (29.Rf3 Rg4 30.Ba3 Rg6-+) 29...hg5 30.g3 gf4 31.gf4 a5 32.Ra2 Ree6 33.Rh2 Rh6 34.Rff2 Reg6 (34...Rh2 35.Kh2 Be7 36.Rc2-+) 35.Bd2 (35.Re2 f5-+) 35...f6 36.Be1 Kf7 37.Rc2 Ke6 38.Rcf2 (38.c4 dc4 39.Rc4 Kd5-+) 38...Kf5 39.Rf3 Rh2 40.Kh2 Ke4 41.Rh3 Rh6 42.Rh6 gh6 43.Kg2 Ke3 44.Bh4 (44.f5 b5! 45.ab5 a4-+) 44...f5 45.Bg3 (45.Kf1 b5! 46.ab5 a4-+) 45...Bf4 46.Bf2 Ke2 47.Bg1 (47.Bh4 Bg5 48.Bg3 f4 49.Bf4 Bf4-+) 47...Bd2 (47...b5 48.ab5 a4 49.b6 cb6 50.Kh3-+) 48.Kg3 (48.Bh2 f4 49.Bf4 Bf4-+) 48...f4 49.Kg2 Be3 50.Bh2 f3 (50...f3 51.Kh3 f2 52.Be5 f1Q 53.Kh4 Bg5 54.Kg3 Qf3 55.Kh2 Kf1 56.Bc7 Qg2) 0–1. petrobbo (1990) – front_element (2240), ChessWorld.net, 2010.

7.Bb2 Re8 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.h3).

7.Bb2 c6 8.Be2 h6 9.0-0 Nbd7 10.c4 dc4 11.Bc4 Bc7 12.Be2 Nb6 13.d3 Nbd5 14.Nc3 Re8 15.Nd5 Nd5 16.Nd4 (16.Qc2 Qd6=) 16...Qh4 (16...Qd6 17.Nf3=+) 17.g3 Qf6 18.Bf3 (18.Qb3 Be5=) 18...Nb6 (18...Bh3 19.Bg2 Bg2 20.Kg2 Re3 21.fe3 Ne3 22.Kh3 Nd1 23.Rf6 Nb2 24.Rf3=+) 19.Rb1 (19.Nb5 Be5 (worse 19...Qb2 20.Nc7 Bh3 21.Na8 Na8 22.Re1+-) 20.Be5 Re5=) 19...Be5= 20.Bg2 Rd8 (20...c5 21.Re1=+) 21.Ba1 (21.Qh5 Rd7 22.f4 Bd4 23.Bd4 Rd4 24.ed4 Qd4 25.Kh1 Be6+=) 21...Nd5 22.Nf3 (22.Qh5 Re8=) 22...Ba1 23.Ra1 Bg4 24.h3 (24.d4!?=+) 24...Nc3-/+ 25.Qc2 Bf3 26.Bf3 Qf3 27.Qc3 Qf5 28.e4 (28.Rfb1 Rd3 29.Qc2 Qg6-/+) 28...Qh3 29.Rad1 Rd7 30.d4 Rad8 31.Qe3 Qg4 32.e5 (better 32.Rfe1!?-/+) 32...Rd4 33.Rd4 Qd4 34.Qe2 Re8 35.Re1 b5 36.Qf3 Re5 37.Re5 Qe5 38.Qc6 Qa1 39.Kg2 Qa3 40.Qe8 Kh7 41.Qf7 (41.Qb5 Qa2-+) 41...Qd3 (41...Qc5 42.Qe6-+) 42.Qa2 (42.Qa7 b4 43.Qe7 b3-+) 42...b4 43.Qa7 b3 44.Qb6 (44.Qa1-+) 44...h5 (better 44...Qc2-+) 45.Qb4 Qc2 (45...Qd5 46.Kf1-+) 46.Qb5 Qe4 47.Kh2 (47.Kh2 Qe6 48.Kg2-+). brucepeng (2025) - aleeeex610525 (2025), lichess.org, 2020.

7.Bb5 Bd7 8.Bd7 Nbd7 =+.

7.Bc3 Bb6 8.Be2= Re8 9.0-0 Ne4 10.Bb2 c6 11.Nc3 Nd6 12.Rb1 Bg4 13.Nd4 Be2 14.Nce2 Nd7 15.d3 Nf6 16.Ng3 Qd7 17.Nf3 Bd8 18.a4 c5 19.c4 dc4 20.dc4 b6 21.Ne5 Qe6 ½–½. Lindberg,Rune – Benassi,Aspasio, corr 3GMM–18, 1996.

7.Bc3 Bc3 8.Nc3 Ne4 9.Be2 =+.

7.Bc3 c5 8.Ra2 Bc3 9.dc3 Nc6 10.Be2 Qe7 11.0-0 Rd8 12.Re1 Ne4 -+.

7.c4 Re8 8.cd5 Nd5 9.Bc4 (9.Bc3 Nc3 10.dc3 Nd7=+) 9...Nc6 10.Bc3 Nc3 11.Nc3 Bg4 12.Qb3 (better 12.Bd5=+) 12...Bc3?? (12...Qf6 13.Bd5 Bf3 14.gf3 Nd4-/+) 13.Bf7+= (worse 13.dc3 Qf6=+) 13...Kf8? (better 13...Kh8 14.dc3 Bf3 15.gf3 Rf8+=) 14.Be8+- (14.dc3?! Na5 15.Qb4 Kf7 16.Qg4 Kg8+/-) 14...Ba1?? (14...Qe8 15.dc3 Bf3 16.gf3 Rb8+-) 15.Bc6 (15.Qf7) 15...bc6+/- 16.Ne5?? (better 16.Qb4 c5 17.Qg4=+) 16...Be5-+ 17.d4 (17.Qb4 Qd6 18.Qg4-+) 17...Bf6 (17...Rb8 18.Qc2 Bd4 19.0-0-+) 18.h3 Bf5 19.g4 (19.0-0 c5! 20.Qc4 Qd6 21.dc5 Qe5-+) 19...Be4 (better 19...Rb8 20.Qc4 Rb1 21.Ke2 Rh1 22.Qc5 Kg8 23.Qf5-+) 20.0-0 Rb8 21.Qc3 h5! 22.f3 (22.gh5 Qd5 Decoy) 22...Bg6 (22...Bd5 23.gh5 Rb3 24.Qd2-+) 23.gh5 Bh5 24.Qc5 (24.Qc6 Qe7 25.Qc3 Bf7-+) 24...Qd6 25.Qh5 (25.Rc1-+) 25...Qg3 26.Kh1 Rb2 (26...Rb2 27.Qc5 Kg8 28.Qd5 cd5 29.Rf2 Rb1 30.Rf1 Rf1) 0-1. zembelek (2125) - ZinitheWuslon (2210), Rated Blitz game, lichess.org, 2014.

7.Bd3 Nc6 8.Bb2 Bg4 9.h3 Bh5 10.g4 Bg6 11.Qe2 d4 12.Bg6+= Qd6?? 13.Bf5+– de3 14.fe3 Rae8 15.Nc3 Bb6 16.Kf2 Rd8 17.Kg2 Rfe8 18.Qd3 g6 19.Qd6 cd6 20.Bd3 d5 21.Na4 Bc7 22.Bf6 Rd6 23.g5 1–0. Pestka,Maciej – Wallace,Richard, IECC, 1999.

7.Bd3 Nbd7 8.Bc3 Bc3 9.Nc3 Nc5 10.0-0 Nd3 11.cd3 Bg4 12.Rb1 b6 13.h3 Bh5 14.g4 Bg6 15.Ne5 d4 16.Ne2 de3 17.de3 Nd7 18.Ng6 hg6 19.d4 1–0. Briao (2195) – Borges (2200), EM/MLP/01 corr, 2002.

7.Bd4 Bg4 8.Be2 Nbd7 9.0-0 c5 10.Bb2 a6 11.h3 Bh5 12.Ne5 Be2 13.Qe2 Qb6 14.Nd7 Qb2 15.Nf6 Qf6 16.c3 d4 17.ed4 cd4 18.Rc1 Rfe8-/+ 19.Qc4 Rac8 20.Qb3 b5 21.a4 dc3 22.dc3 Re2-+ 23.f3?? Qg5 (23...Qg5 24.Qf7 Kf7 25.ab5 Qg2#) 0–1. 73DADDELDU37 – nogumo, mySchach.de, 2005.

7.Be2 Bf5 8.0-0 Nbd7 9.Bb2 Re8 (9...c5 10.Nc3=+) 10.d3 (10.Nd4 Bg6=) 10...c6 11.Nbd2 h6 12.a4 Nc5 13.h3 Bc7 14.c4 (better 14.Nd4 Bg6 15.N2f3=) 14...Qd6?? (14...Nd3 15.Qb1 dc4 16.Nc4-/+) 15.Rc1?? (15.Ba3 d4 16.Nb3 Nfd7+/-) 15...Ne6?? (better 15...Nd3 16.Bd3 Bd3-/+) 16.Qc2 (16.Bf6 gf6 17.cd5 cd5+= (17...Qd5? 18.e4 Qd7 19.ef5+-)) 16...Ng5 (16...dc4 17.Nc4 Qe7 18.Rfe1=) 17.cd5 (17.Bf6!? Qf6 18.cd5 Nh3 19.gh3 Qg6 20.Kh1 Bh3 21.Rg1=) 17...Nd5= 18.Rfe1 (18.Kh1!?=) 18...Bh3-/+ 19.gh3?? (better 19.Ne5 Qe6 20.d4 Be5 21.de5-/+) 19...Qe6 (19...Nh3 20.Kg2 Ne3 21.fe3 Qg3 22.Kh1 Nf2) 20.Bf1?? (20.Ng5 hg5 21.Bg4 Qg6+-) 20...Rad8?? (better 20...Nh3 21.Bh3 Qh3-+) 21.Bg2?? (21.Ng5 hg5 22.Qc4 Ba5+-) 21...Nf6? (better 21...Nh3!? 22.Kf1 Nf2+=) 22.Qc4 (22.Ng5 hg5 23.Nb3 Qd6+-) 22...Qd6 (22...Nh3 23.Kf1 Ng5 24.Ng5 hg5 25.Ke2+-) 23.d4 (better 23.Qd4 Nf3 24.Nf3 Qd4 25.Bd4 Nd5+-) 23...Nge4? (23...Nfh7+-) 24.Ne4 Ne4 25.Ne5 Ng5 26.h4 (better 26.f4 Ne6 27.f5+-) 26...Re5?? (26...Ne6+-) 27.de5 (27.hg5?! Rg5 28.f4 Rg4+/-) 27...Qg6 28.hg5 Qg5 29.f4 (29.e6 Qe7 30.Bh3 f6+-) 29...Qg3 (29...Qg4 30.Bc3+-) 30.Qe2 (30.e6!? Rf8+-) 30...Bb6 31.Bd4! Ba5 (31...Bd4 32.ed4 Combination) 32.Red1 Re8 (32...a6 33.Rb1 b6 34.Qa6+-) 33.Qf2 (33.Ba7 Ra8 34.Bc5 b6+-) 33...Qg4 34.Qf3 Qg6 (34...Qc8 35.Ba7 Rd8 36.Qh5+-) 35.Kf2 (35.Ba7 Qe6+-) 35...h5 (35...a6 36.Qh3+-) 36.Qg3 (36.Rh1 Bd2 37.Rc4 a5+-) 36...Qf5 (36...Qg3 37.Kg3 Bb4 38.Ba7+-) 37.Bh3 (37.e6 Qh7 38.Be4 g6+-) 37...Qe4 (37...Qh7 38.Ba7 Rd8 39.Bd4+-) 38.e6 g6 (38...Qg6 39.ef7 Qf7 40.Bf1+-) 39.ef7 Kf7 40.Be5 (better 40.Rc5 Be1 41.Ke1 Rf8+-) 40...Re7 (40...Bb6 41.a5! Be3 42.Qe3 Qe3 43.Ke3+-) 41.Rd7 (better 41.Rd4 Be1 42.Ke1+-) 41...Rd7 42.Bd7 Bd2 (42...Qd5 43.Qh3 Qd2 44.Kf3 Qd5 45.Kg3 Kf8+-) 43.Rc3! Bc3 44.Bc3 Qc2 45.Kf3 Qc3 (better 45...Qd1 46.Kg2 Qd7+/-) 46.Qg5 (better 46.f5 gf5 47.Qg5+-) 46...Qd3= 47.Qe5?? (47.Bc8 Qf1 48.Kg3 Qe1 49.Kf3 Qf1 50.Ke4 Qc4 51.Kf3 Qf1=) 47...Qf1?? (better 47...Qd7 48.Qh8 Qd5 49.Kg3 Qe4 50.Qh7 Kf6 51.Qh8 Ke7 52.Qg7 Ke6 53.Qg8 Kd7 54.Qf7 Kc8-+) 48.Kg3= Qg1?? (better 48...Qe1 49.Kh3 Qh1 50.Kg3 Qe1 51.Kh3 Qh1 52.Kg3 Qe1=) 49.Kf3?? (better 49.Kh4+-) 49...Qh1?? (better 49...Qd1 50.Kg3 Qd7-+) 50.Kf2 Qh2 51.Kf1 Qh1 52.Kf2 Qh2 53.Ke1 Qg1 54.Kd2 Qf2 55.Kd3 (55.Kd3 Qf1 56.Kc2 Qe2 57.Kc3 Qe1 58.Kc4 Qc1 59.Qc3+=) 1-0. jhonores (2200) - Golovolom (2215), Rated Blitz game, lichess.org, 2020.

8.Be2 Nc6 9.0-0 Bc7 10.d3 Qd6 11.Nbd2 Re8 12.Re1 Ng4 13.Nf1 Qh6 Increases the pressure on h2 14.h3 Nf6 15.Bf6 Qf6 (worse 15...gf6 16.c3=+) 16.c4 dc4 17.dc4 Bf5 18.Qb3 b6 19.Bd3 Bh3! 20.e4 (20.gh3 Qf3 Discovered attack (20...Qf3 Deflection; 20...Qf3 Overloading)) 20...Bg4 21.N1h2 Be6 22.Qb1 Qh6 23.g3 Rad8 24.Kg2 Qh3 25.Kg1 Nd4 26.Bf1 Qh5 27.Bg2 Bc4 28.Qb2 (28.Nd4 Rd4 29.Nf3 Rdd8-+) 28...Be6 (28...Be5!? 29.Ne5 Qe5 30.Kh1-+) 29.Rad1 Nf3 30.Bf3 Qg6 31.Bg2 h5 32.Rd8 Rd8 33.Nf3 Bg4 34.Nh4 Qe6 35.Kh2 (35.Bf3 Bf3 36.Nf3 Rd3-+) 35...Be5 36.Qc1 Qd6 (better 36...Qa2!? 37.Rf1-+) 37.f4 Bd4 38.e5 Qe7 39.Nf3 Bf3 40.Bf3 h4 41.Bg4? (41.Re2 b5-+) 41...hg3 (41...Bf2 42.Re4 hg3 43.Kg2 Qh4-+) 42.Kg3 Qc7 43.Re2 c4 (better 43...g6!?-+) 44.Qh1-/+ Qc5 (44...g6 45.e6 g5 46.ef7 Kg7+/- (46...Kf7 47.Qh7 Bg7 48.Be6 Ke7 49.Qg7 Kd6 50.Qg5+-; 46...Qf7 47.Be6 Qe6 48.Re6 Kf7 49.Qe4 Bf6 50.fg5 Rd3 51.Kg4 Rd7 52.Rf6 Kg8 53.Qe8 Kg7 54.Rg6 Kh7 55.Qg8)) 45.Bf5?? (better 45.Rh2 Bf2 46.Rf2 Qe3 47.Qf3+/-) 45...Qa3 46.Kg4 g6 47.Rh2 (47.Bc2 Qe7 48.Qh6-+) 47...gf5 48.Kf5 (48.Kh5 Kf8 49.Qg2 Qe7-+) 48...Qd3 49.Kg4 (49.Qe4 Be3 50.Rh3 Qe4 51.Ke4 Rd4 52.Kf3 Bf4 53.e6 fe6 54.Ke2-+) 49...Qg6 50.Kf3 Qd3 (better 50...Bf2! 51.Kf2 Rd2 52.Ke1 Rh2 53.Qh2 Qb1 54.Kf2 Qb2 55.Kg3 Qh2 56.Kh2-+) 51.Kg4 Qg6 52.Kf3 Qd3 (better 52...Bf2! 53.Rh8 Kg7 54.Rd8 Qc6 55.Kf2 Qh1-+) 53.Kg4= ½-½. zembelek (2250) - tequilarock (2340), Rated Classical tournament, lichess.org, 2016.

8.Be2 Nc6 9.0-0 Bc7 10.d4 cd4 (10...c4 11.a4=+) 11.Nd4= Re8 12.Nc6 (12.Nd2 Qd6 13.N2f3 Nd4 14.Qd4 Re4=) 12...bc6=+ 13.Nd2 Qd6 14.Nf3 Bg4 15.g3 Ne4 16.c4 dc4 17.Bc4? (better 17.Qc2-/+) 17...Qd1 18.Rfd1 Bf3 19.Rd7 Be5?? (19...Nd6 20.Bf7 Nf7 21.Rc7-+) 20.Bf7?? (20.Be5!? Re5 21.Rf7=+) 20...Kh8 (better 20...Kf8 21.Bc4 Bb2 22.Rf7 Kg8 23.Rb7 Kh8 24.Rb2 g5-+) 21.Be8-/+ Bb2 22.Rb1 Re8 (22...Ba3!? 23.Bh5 Nf6 24.Ra7 Ra7 25.Bf3 g5 26.Bc6 Rc7 27.Rb8 Kg7-/+) 23.Rb2=+ Nf6 (better 23...a5!?=+) 24.Ra7+= h5 25.h4 (25.Rab7 Kh7+=) 25...Rd8= 26.Rb1 Rd2 27.Rc7 Ng4 Attacks the backward pawn on f2 28.Rf7?? (28.Rf1=) 28...Bd5?? (better 28...Rf2 29.Rf8 Kh7-+) 29.Rf4+= Ra2 30.a4 (30.e4 Bc4 31.Rf5 g6+=) 30...Ne5 (30...Kh7!? 31.e4 Bc4=) 31.e4+/- Bc4 (31...Be6!? 32.Rb8 Kh7+/-) 32.Rf5+- Nd3 33.Rh5 (33.Rh5 Kg8 34.Rb8 Kf7 35.Rf5 Ke6 36.a5+/-) 1-0. Mamontmamont (2260) - zumpili (2490), Rated Bullet game, lichess.org, 2019.

8.Be2 Nc6 9.0-0 d4 10.d3 Nd5 11.e4 Nf4 12.Nbd2 f5 (12...Qf6 13.Bc1-/+) 13.ef5 (13.Nb3!?=+) 13...Bf5-/+ 14.Nc4? (14.Rb1 Bd2 15.Nd2 Qg5-/+) 14...Bc7?? (better 14...Re8 15.Nd4 cd4-+ (worse 15...Nd4 16.Bf3-+)) 15.Re1 b5 (15...Bg4 16.Ncd2-+) 16.Ncd2-/+ Ne2 (16...Qf6 17.Bc1-/+) 17.Qe2 Qd7 18.Ne4 Bb6 19.Nfd2 Rae8 20.Qh5 h6 (better 20...c4 21.Nf3 a6-/+) 21.c3? (21.a4!?-/+) 21...dc3 (21...Ne5!? 22.cd4 Nd3 23.Re3 Nb2 24.dc5-+) 22.Bc3-/+ Nd4 (better 22...b4!? 23.Bb2 A) worse 23...Qd3 24.Nf6 Rf6 25.Re8 (25.Qe8?! Rf8 26.Qc6 Qd2=+) 25...Rf8 26.Nc4+/-; B) 23...Re6-/+) 23.Bd4= Qd4 (23...cd4 24.Nf3 a6=+) 24.Rad1 (24.Nb3!? Qd7 25.Nec5 Bc5 26.Nc5=+) 24...Kh8 25.Nf3 Qd5 (25...Qa4 26.Nd6 Re1 27.Re1=) 26.Nc3 (26.Nf6 Re1 27.Re1 Qd6 (27...Rf6? 28.Re8 Qg8 29.Rg8 Kg8 30.Qe8 Kh7 31.Qb5+-) 28.Qf5 Qf6=) 26...Re1 (better 26...Qd7 27.Ne5 Re5 28.Re5 Bg4=+) 27.Ne1?? (better 27.Re1!? Qd8 28.Ne5=+) 27...Qd7 (27...Qb3 28.Rc1 Qa3 29.Qd1-+) 28.Rb1 (better 28.Qf3!? Ba5 29.Ne4-/+) 28...Bd3 29.Rd1 (29.Rb2 Bc4 30.Qd1 Qd1 31.Nd1 b4 32.ab4 cb4 33.Rb4 Be2 34.Rb6 ab6-+ (34...Bd1?! 35.Rd6 Be2 36.Rd7=)) 29...c4 30.Nd3 cd3 31.Qb5 Bf2 (31...Qb5 32.Nb5 Rf2 33.Kh1-+) 32.Kh1 Qb5 33.Nb5 Be3 34.g3 d2 35.Kg2? (better 35.Nd6 h5 36.Nc4-+) 35...Rf2 36.Kh3 Re2 37.Nc3 Re1 38.Kg2 Bd4 39.Rd2 Bc3 40.Rd8 Kh7 41.Rd7 a5 42.h4 (42.Rc7 Re3 43.Rc4 Bb2-+) 42...Ra1 43.g4 Ra3 44.Rd3 (44.h5 a4 45.Kf3 Bf6 46.Ke4 Ra1-+) 44...Bb4 (44...a4 45.Rd6-+) 45.Rd7 Rc3 46.Ra7 Rc5 (46...Rc4 47.Kh3-+) 47.Kf3 (47.h5 Bc3-+) 47...Kg6 (better 47...h5!? 48.gh5 Rc4 49.Kg3-+) 48.h5 Kf6 49.Ra6 Ke5 50.Ra7 Rc3 51.Kg2 (51.Ke2 Ke4 52.Rg7 a4-+) 51...Kf4 52.Rg7 Rc2 (better 52...Rg3!? 53.Kf2 Rg4 54.Rf7 Kg5 55.Kf3 Kh5 56.Ra7-+) 53.Kh3 a4 54.Rf7 Ke4 55.Ra7 (55.g5 a3 56.g6 a2-+) 55...a3 (better 55...Bd6!? 56.g5 Rh2 57.Kg4 Rg2 58.Kh3 Rg3 59.Kh2 Rg5 60.Kh1-+) 56.g5 (56.Ra4 Rb2 57.Ra6 a2-+) 56...hg5 57.h6 Bd6 58.h7 (58.Kg4 Rg2 59.Kh5-+) 58...Kf3 59.Rf7 Bf4 60.Rf4 gf4 (60...Kf4 61.h8Q g4 62.Kh4 Rh2) 61.h8Q= a2 62.Qh5 Ke3 63.Qe8 Kd2 64.Qd7 Kc1 65.Qa4 Rc3 66.Kg2 Kb2 67.Qb4 Kc2 68.Qa4 Kb2 69.Qb4 Rb3 70.Qd2 Ka3?? (70...Kb1 71.Qd1 Kb2 72.Qd4 Kc2 73.Qa1=) 71.Qa5?? (better 71.Qc1 Ka4 72.Qf4 Rb4 73.Qf2+-) 71...Kb2= 72.Qd2 Kb1 73.Qd1 Kb2 74.Qd2 Ka1?? (better 74...Kb1 75.Qd1 Kb2 76.Qe2 Ka1 77.Qe5 Kb1 78.Qe4 Kb2 79.Qe2 Ka3=) 75.Qf4 (75.Qc1 Rb1 76.Qc3 Rb2 77.Kf3 Kb1 78.Qe1 Kc2 79.Kf4 Rb1 80.Qe2 Kb3 81.Qe6 Kb2 82.Qe5 Kb3 83.Qd5 Ka3 84.Qa8 Kb3 85.Qb7 Ka3 86.Qa6 Kb2 87.Qf6 Ka3 88.Qc3 Ka4 89.Qc2 Ka3 90.Qd3 Kb2 91.Qd4 Kb3 92.Qb6 Ka3 93.Qe3 Ka4 94.Qa7 Kb3 95.Qb8 Ka3 96.Qa7 Kb3 97.Qf7 Ka3 98.Qa7 Kb3=) 75...Rb2 76.Kg3 Rc2 (76...Rb3 77.Kh2 Kb1 78.Qe4 Kb2 79.Qg2 Kb1 80.Qf1 Kb2 81.Qf2 Kb1 82.Qe1 Kb2 83.Qd2 Kb1 84.Qd1 Kb2 85.Qd4 Rc3 86.Qb6 Rb3 87.Qf6 Rc3 88.Qb6 Rb3 89.Qf6 Rc3 90.Qb6=) 77.Qd4?? (77.Qb8 Rc3 78.Kf4 Rb3 79.Qe5 Kb1 80.Qe4 Kb2 81.Qg2 Kb1 82.Qg1 Kb2 83.Qf2 Kb1 84.Qe1 Kb2 85.Qd2 Kb1 86.Qd1 Kb2 87.Qe2 Kb1=) 77...Kb1+/- 78.Qd1?? (better 78.Qb6 Kc1 79.Qa5+-) 78...Kb2-+ 79.Qd4 Rc3 80.Kf4 a1Q 81.Qd2 (81.Qb6 Kc2 82.Qf2 Kb1 83.Qf1 Kb2 84.Qe2 Rc2 85.Qb5 Ka2 86.Qd5 Kb1 87.Qh1 Rc1 88.Qe4 Kb2 89.Qb7 Kc3 90.Qc6 Kd4 91.Qd6 Kc4 92.Qc6 Kd3 93.Qe4 Kd2 94.Qg2 Kd1 95.Qd5 Kc2 96.Qe4 Kb3 97.Qb7 Ka4 98.Qa6 Kb4 99.Qb6 Ka3 100.Qa7 Kb4 101.Qb6 Kc4 102.Qc6 Kd4 103.Qd6 Kc4 104.Qc6=) 81...Kb3 82.Qd5 Rc4 83.Kf5 Qf1 84.Ke6 Qh3 85.Ke7 Qh7 86.Kd8 Qh8 87.Ke7 Qg7 88.Ke8 Kc3 89.Qf3 (89.Qa5 Kd3 90.Qb5 Qg6 91.Ke7 Qe4 92.Kf6 Ke3 93.Qg5 Qf4 94.Qf4 Kf4 95.Kg6 Ke5 96.Kf7 Kf5 97.Ke7 Rd4 98.Kf7 Re4 99.Kg7 Re7 100.Kf8 Kf6 101.Kg8 Re8 102.Kh7 Rf8 103.Kh6 Rh8) 89...Kb4 90.Qf5 (90.Qf8 Qf8 91.Kf8 Rc7 92.Ke8 Kc5 93.Kd8 Kd6 94.Ke8 Rb7 95.Kf8 Ke6 96.Kg8 Kf6 97.Kh8 Kg6 98.Kg8 Rb8) 90...Qg8 (better 90...Qc3-+) 91.Ke7 (91.Qf8 Qf8 92.Kf8-+) 91...Rc7 92.Kd6 Qd8 93.Ke6 Re7 94.Kf6 Qf8 (94...Qd6 95.Kg5 Rg7 96.Qg6 Qg6 97.Kf4 Qf6 98.Ke4 Re7 99.Kd5 Qe6 100.Kd4 Qe4) 95.Kg5-+ Rg7 96.Kf4 Rf7 (96...Rf7 97.Qf7 Qf7 98.Ke4 Qc4 99.Ke5 Qd3 100.Kf4 Kc5 101.Kg4 Kd4 102.Kg5 Ke5 103.Kg4 Qe4 104.Kg3 Qe3 105.Kh2 Kf4 106.Kg2 Qd2 107.Kf1 Kf3 108.Kg1 Qg2) 0-1. zembelek (2130) - rmnp (2415), Rated Classical tournament, lichess.org, 2016.

8.Be2 Nc6 9.0-0 d4 10.d3 Nd5 11.e4 (11.Qc1 Re8 12.e4 Nc3 13.Bc3 dc3-/+) 11...Nf4-/+ 12.g3? (better 12.c3-/+) 12...Ne2-+ 13.Qe2 f5 (better 13...Bg4!? 14.h3 Bh3 15.Nbd2 Bf1 16.Rf1-+) 14.ef5 (14.Nfd2 Be6-/+) 14...Bf5 15.Nh4 Bh3 16.Ng2 Qd7 17.Nd2 Bd2 (17...Rae8 18.Ne4-+) 18.Qd2-/+ Ne5 19.f4 Ng4 20.Rf3? (better 20.Rfe1!?-/+) 20...Rae8 21.Re1 (21.Nh4 Qe6 22.c3 Qe2 23.Qe2 Re2-+) 21...Qd5 22.Nh4 (22.Re4 Re4 23.de4 Qe4-+) 22...Ne3 (better 22...g5 23.fg5 Re1 24.Qe1 Rf3 25.Nf3 Qf3 26.Qe8 Kg7 27.Qe7 Kg6 28.Qe6 Kg5 29.Qg8 Kh6 30.Qe6 Kg7 31.Qe7 Kg6 32.Qe6 Qf6 33.Qe8 Qf7 34.Qf7 Kf7-+) 23.c4 Qh5 24.Qf2 (24.Rf2 Re7-+) 24...Bg4 (24...Nf5!? 25.Re5 b6 26.Bc1-+) 25.Rfe3 de3 26.Re3 Re3 27.Qe3 Re8 28.Be5 b6 29.Qe4 Bh3 (29...Qf7 30.Qd5-+) 30.Nf3-/+ Rd8 31.Kf2 Bf5 (31...Bg4 32.Qb7 Qg6 33.Nh4-/+) 32.Qb7=+ Qf7 33.Ng5?? (better 33.Qf7 Kf7 34.d4=+) 33...Qb7-+ 34.h3 Rd3 35.g4 (35.Nf3 Qf3 36.Kg1 Rd1 37.Kh2 Qe2) 35...h6 (35...Rd2 36.Kg3 Qg2 37.Kh4 Qf2 38.Kh5 Bg6) 36.gf5 (36.Bc3 hg5 37.Ke1 Qh1 38.Kf2 Qh2 39.Ke1 Re3 40.Kd1 Qc2) 36…hg5 (36...hg5 37.Bc3 Qf3 38.Kg1 Rd1 39.Be1 Re1 40.Kh2 Qf2) 0-1. zembelek (2145) - rmnp (2375), Rated Classical tournament yOMAREUQ, lichess.org, 2016.

8.Be2 Nc6 9.0-0 Re8 (---> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

8.Be2 Nc6 9.a4 a6 10.0-0 Bf5 11.Re1 Nb4 12.d3 c4 (12...Bc7 13.Ra3=) 13.Nc3= (13.dc4 Nc2 (13...Bc2?! 14.Bf6 Qf6 15.Qd4=+) 14.Nbd2 dc4 15.Bc4 Ne1 (15...Na1?! 16.Qa1 Bd2 17.Rd1-/+) 16.Qe1 Ne4-+) 13...Rc8 14.Nd4 Bg6 15.dc4 dc4 16.Qc1 Nbd5 17.Nd5 Nd5 18.Rd1 Qc7 19.h4 (19.Qb1 Rcd8=) 19...Nc3 20.Bc3 Bc3 21.Rb1 Be4 22.f3 Bd5 (22...Bg6 23.Qa3 Qa5 24.Nb5-/+) 23.e4 Bd4 24.Rd4 Be6 25.Qb2 b5 26.ab5 ab5 27.Rbd1 Rb8 28.Qb4 Qg3 29.h5 h6 30.Qd2 Qc7 (30...f5 31.f4 fe4 32.Re4=+) 31.f4= f6 32.Rd6 Qc5 33.Qd4 Qd4 34.R1d4 Bf7 35.Kf2 Rfe8 36.Ke3 Kf8 37.Rc6 Rec8 38.Rc8 Rc8 39.c3 Ke7 40.Bg4 ½-½. marekt (2015) - leonidas63 (1760), gameknot.com, 2014.

8.Be2 Re8 9.0-0 Nc6 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

9.Bb2 Qb6 10.Qc1 Ng4 11.0-0 Nc5 12.Bd4+= Re8 13.Ra2 a6 14.Rb2 Qa7 15.c4 b6 16.h3 Nh6= 17.Ne5 Qc7 18.cd5+/- Re5 19.Be5+– Qe5 20.d4 Qg5 21.dc5 Bh3 22.Bf3 bc5 23.Qc5 Bg4 24.Nd2 Bd2 25.Bg4 Ng4 26.Qc6 Rf8 27.Rd2 Qh4? 28.Qd6+– Rd8 29.Qf4 g5 30.Qc7 Kg7 31.e4 Rc8 32.Qg3 1–0. Wall,Bill – Daniels,Morgan, corr, 2004.

9.Bd4 c5 10.Bc3 Bc7 11.0-0 Ne4 (11...Re8 12.d4=+) 12.d3 Nc3 13.Nc3 Nf6 14.Rb1 a6 15.d4 c4 16.Qc1 Re8 17.Qb2 Bg4 (17...Qe7 18.a4-/+) 18.h3=+ (18.Qb7? Bf3 19.Bf3 Qd6-+) 18...Bf3 19.Bf3 b5 20.a4 Qd6 21.g3 b4 (better 21...ba4!? 22.Qa1 a3=+) 22.Qb4+= Qb4 23.Rb4 Ba5 24.Nd5 Bb4 25.Nb4 Rab8 (25...Ne4!?+/-) 26.Na6+- Rb2 27.Rc1 Ra2 28.Be2 Ra4 29.Nc5 Rb4 30.c3 Rb2 31.Bc4 Ra8 (31...Kf8 32.Ra1+-) 32.Nd3 Rd2 33.Ne5 Ne4?? (33...Rf8 34.Rb1 Ne4 35.Nf7 Nf2 36.Ne5 Kh8+-) 34.Bd5 (34.Bf7!? Kf8 35.Bd5 Raa2 36.Be4 Rf2+-) 34...Nf2 35.Ba8 Nh3 36.Kf1 f6 37.Nc4 Rf2 38.Ke1 Kf7 39.d5 (better 39.Ra1!? Kg6+-) 39...Ra2 40.Bc6 Nf2 41.Nd6 (41.Rb1 f5+-) 41...Kg6 (41...Ke7 42.Nf5 Kf8 43.Bb5+-) 42.Bb5 Nh1 (42...f5 43.Bc4 Rb2 44.Be2+-) 43.Be8 Kg5 44.Nf7 Kg4 45.d6 Kf3 (45...Nf2 46.Bb5 Ne4 47.d7+-) 46.Bc6 Ke3 47.Bh1 Rh2 (47...Ra7 48.c4 Rf7 49.c5+-) 48.Bc6 (48.Bd5 Rd2 49.c4 Re2 50.Kf1 Rf2 51.Kg1 Rb2 52.Re1 Kd2+-) 48...Re2 49.Kf1 Rf2 50.Kg1 (50.Kg1 Rd2 51.Rf1+-) 1-0. plainS (2215) - Waikato (2410), Rated Blitz tournament, lichess.org, 2016.

10.0-0 Re8 11.Re1 Ne4 (11...Bd6 12.Bb2=+) 12.Bd4 Nf8 (12...Ba5 13.c4=+) 13.d3= Ng5 14.Nbd2 b6 15.Qb1 (15.c4 Nfe6=) 15...Qd6 16.Qb2 f6 17.Nf1 (17.c4 dc4 18.dc4 c5=) 17...c5 (17...Nf3 18.Bf3 Ne6 19.e4=+) 18.Bc3 (18.Ng5 cd4 19.Nf3 de3 20.Ne3 Ng6=) 18...Nf3 19.Bf3 Ng6 20.Ng3 Bb7 (20...Ne5 21.Be5 fe5 22.c4=) 21.Reb1 (21.Bh5 Qd7=) 21...Nh4 22.Bh5 Re7 23.d4 Bc6 24.Bg4 Rae8 (24...f5 25.dc5 bc5 26.Bh3=+) 25.Rd1 Ng6 (25...f5 26.Bh5 Rf8 27.dc5 bc5 28.Bd2-/+) ½–½. Wochnik – Everett, corr 3GMM–48, 1996.

8.cd5 Qd5 9.Nc3 Qe6 10.Qa4 Nc6 11.Bc4 Qf5 12.Bg3 (12.Bf6 Qf6 13.0-0 a6=) 12...Bd7 (12...a6 13.Ne5 Ne5 14.Be5=+) 13.Bb5 (better 13.Qb3!?=) 13...Bc3-/+ 14.dc3 a6 15.Bc6 Bc6 (worse 15...bc6 16.Ne5+=) 16.Qd1 Rad8 17.Qe2 Be4 18.Nd2 (18.c4 Rfe8-/+) 18...Bd3 (better 18...Bg2!? 19.Rg1 Ne4 20.Ne4 Qe4-+) 19.Qf3=+ Qe6 20.Qb7 Rb8?? (better 20...Ne4 21.Qb2 Nd2 22.Qd2 Be4=+) 21.Bb8+- Qg4 (21...Nd5 22.Nf1 Bf1 23.Kf1 Nc3+-) 22.Qf3 (better 22.f3 Qe6 23.e4 Ne4 24.Ne4+-) 22...Qf3 23.Nf3 Rb8 24.Ne5 Be4 25.0-0 Nd5 26.c4 Nc3 27.f3 Bf5 28.e4 Be6 29.Rf2 f6 30.Nc6 Rb3 31.Na5 Rb6 32.Rc1 Na4 33.Rd2 Kf7 34.Rcd1 h5 (34...Ke7 35.Kf2+-) 35.Rd6 Rb2 (35...h4 36.f4 g6 37.e5 fe5 38.fe5+-) 36.Ra6 Nc3 37.Re1 (better 37.Ra7!? Kg6 38.Rd6 Ne2 39.Kf1 Nf4+-) 37...Ne2 38.Kf1 (38.Kh1 Nf4+-) 38...Nf4 39.Rc6 (39.h4 Rg2 40.Rb1 Rc2 41.Ra7 Kg6=) 39…Rg2 (39...Rg2 40.Rb1 Bh3 41.Rb7 Kg6+/-). jhonores (2210) - lancerisimo (2215), Rated Blitz game, lichess.org, 2020.

8.cd5 Nd5 9.Bc4 Nc6 10.Qb3 Ne5 (10...Nb6 11.Bb2=+) 11.Bd5 (11.Ne5 Be6 12.Nc3 Nc3 13.Be6 fe6 14.dc3 Qd5-/+) 11...Nf3 12.Bf3 Be6 13.Qc2 (13.Qb7? Rb8 14.Qe4 Qf6-+) 13...Qf6 14.Nc3 Rad8 15.0-0 (better 15.Rb1!? b6 16.Be4=+) 15...Rd2!-/+ 16.Qd2 Bc3 (16...Qc3? 17.Qc3 Bc3 18.Rac1+- (18.Bb7 Ba1 19.Ra1 Rb8=+)) 17.Qa2?? (17.Qc1 Ba1 18.Qa1 Qa1 19.Ra1 b5-+) 17...Ba1 (better 17...Ba2 18.Ra2 b5 19.Rb1-+) 18.Ra1?? (18.Qa1 Qa1 19.Ra1 b5-+) 18...b6 (better 18...Ba2 19.Ra2 b5 20.Bd5-+) 19.Bd5?? (better 19.Qb1-/+) 19...Bd5-+ 20.Qd5 (20.Qb1-+) 20…Qa1 (20...Qa1 21.Qd1 Qd1) 0-1. zembelek (2070) - Skakalkina (2200), Rated Blitz game, lichess.org, 2014.

8.cd5 Nd5 9.Be2 Nc6 10.Bb2 Qb6 11.Qc1 Bf5 12.0-0 Rad8 13.d4 (13.Rd1 Rfe8 14.d4 cd4 15.Nd4 Nf4=+) 13...cd4=+ 14.Nd4 Nd4 (14...Nf4 15.Bf3 Nd3 16.Qc2=+) 15.Bd4= Qg6 16.Bf3 Nf4 17.Qb2 (worse 17.ef4 Rd4 18.Qb2 Rd7-/+) 17...Be4 18.Be4 Qe4 19.f3 Qd3 20.Ba7?? (better 20.Ra2 Ne6 21.Qc2 Nd4 22.Qd3 Nf3 23.gf3 Rd3 24.e4-+) 20...Ne2 (20...Qf1! 21.Kf1 Rd1 22.Kf2 Be1 23.Kg1 Bg3) 21.Kf2=+ Nc3 22.Nd2?? (better 22.Kg1=+) 22...Qd2 (better 22...Qe2 23.Kg1 Rd2 24.Qd2 Qd2-+) 23.Qd2 Rd2 24.Kg1 (24.Kg3 b6 25.Rf2 Rf2 26.Kf2 Ra8-+) 24...b6 25.Rfc1 (25.Rf2 Rd7-+) 25...Ne2 26.Kf1 Nc1 27.Rc1 Rd7 28.Bb6 Bb6 29.e4 Rd2 30.h3 Rfd8 31.e5 h5 32.f4 Rf2 33.Ke1 Rdd2 34.Rb1 (34.Rc3 Rb2 35.Rc8 Kh7 36.Rd8 Ba5 37.Rd2 Rfd2 38.e6 Rb1) 34...Rde2 35.Kd1 Ba5 (35...Ra2 36.Ke1 Rg2 37.Rb2 Ra1 38.Rb1 Rb1) 36.Rb8 Kh7 37.Rd8 (37.Rb4 Ra2 38.Ke1 Rfb2 39.e6 Rb1) 37…Re1 0-1. zembelek (2050) - pohlestoff (2185), Rated Blitz game, lichess.org, 2014.

8.cd5 Nd5 9.Be2 Nc6 10.Bb2 Re8 11.0-0 Bg4 12.d4 cd4 13.Nd4 Be2 14.Ne2 Rc8 15.Nd4 Nf6 (15...Bc7 16.Nf5 Be5 17.Be5 Re5 18.Qg4=) 16.Nd2 (16.Nf5 Re6=) 16...Nd4=+ 17.Bd4 Bb6 (17...Bc3 18.Bc3 Rc3 19.Nf3=) 18.Nf3 Bd4 19.Nd4 Qd5 20.Rb1 b6 21.Qb3 Qb3 22.Rb3 Ne4 23.Rb2 Rc4 24.f3 Nc3 25.Kf2 Rec8 26.g4 g6 27.h4 h6 28.Kg3 (28.Rh1 Kh7=) 28...Nd5 29.Kf2 Rc3 30.e4 Nf4 (30...Rd3 31.Rc2 Rc2 32.Nc2 Rd2 33.Ke1 Rc2 34.ed5-/+) 31.Kg3= Nd3 32.Rb3 (32.Ra2!?=+) 32...Rb3-/+ 33.Nb3 Rc3 34.Rb1 b5 (better 34...Ne5!? 35.Nd4 Ra3-/+) 35.Nd4= a6 36.a4 (better 36.Rb3!? Rb3 37.Nb3=) 36...ba4-/+ 37.Rb8 Kg7 38.Ra8 (38.h5!?-/+) 38...Nc5 39.Ra7?? (39.Ne2 Rc2 40.Nd4-+) 39...a3 40.g5 (40.h5 gh5 41.gh5 a2 42.Ne6 Ne6 43.Ra6 Rc2-+) 40...a2 41.gh6 (41.Ne6 Kg8 42.Ra8 Kh7 43.Ra7 Ne6 44.Ra6-+) 41...Kh6 42.Rf7 a1Q 43.Rf6 Qg1 44.Kf4 (44.Kh3 Qh1 45.Kg3 Ne4 46.Kf4 Qh4 47.Ke5 Rc5 48.Ke6 Qf6 49.Kd7 Qd6 50.Ke8 Rc8 51.Kf7 Qd7) 44...Ne4 (44...Nd3) 45.Nf5-+ (45.Nf5 Kh5 46.Ng7 Kh4 47.Nf5 Kh3 48.fe4-+). zembelek (2045) - Ban (2150), Rated Blitz game, lichess.org, 2013.

8.Be2 Nc6 9.Bb2 Bg4 10.cd5 Nd5 11.0-0 Qd6 12.Nc3 Rfe8 13.Nd5 Qd5 14.d4 (14.Rc1 Rad8=) 14...c4=+ 15.Qc2 b5 16.Bc3 Bc7 17.Rab1? (17.Rfd1 Bf5 18.Qb2 Rad8=+) 17...Rab8 (17...Bf5 18.Qb2 Bb1 19.Rb1-+) 18.Bb4 (18.Ra1 Bf5 19.Qc1 a5-/+) 18...Re6 (18...Bf5 19.Qc3 Bb1 20.Rb1-+) 19.Nh4? (19.Qc3!?=+) 19...Nb4 (19...Nd4 20.ed4 Be2 21.Nf5-+) 20.ab4 Rh6 (better 20...Qd6 21.f4 Be2 (21...Re3 22.Bg4 g6 23.Nf3+/-) 22.Qe2 Qd4-+) 21.Bg4= Rh4 22.h3 Rb6 (22...a5 23.ba5 Ba5 24.Rfc1=) 23.Qf5 Qd6 (23...Qf5 24.Bf5 Rh5 25.e4=) 24.Qc8 Bd8 25.Qd7 Qd7 26.Bd7 Rhh6 27.d5 Rhd6 28.Bc6 a6 29.Ra1 Bf6 30.Ra5 Bb2 31.Ra2 c3 32.Ba8 g6 (32...Rb8 33.Bc6=+) 33.Re1 a5 (better 33...Rb8!? 34.Bc6 Rc8=+) 34.ba5+/- Ra6 35.Bc6 (35.Bb7!? Ra7 36.a6+/-) 35...b4= 36.Bb5 Ra7 37.Bc4 (37.e4 b3 38.Rb2 cb2=) 37...Ba3=+ 38.a6 ½-½. Flaherty,K - Van der Kooij,W, corr, 1988.

8.Nc3 Nbd7 9.Bf4 Bc3 10.dc3 c4 11.Be2 Qa5 12.Bd6 Re8 13.Qd4 (13.0-0 Nc5=+ (< 13...Qc3 14.Bb4 Qb2 15.Rb1+/-)) 13...Re4 14.Qd2 Re6 15.Bb4 Qd8 16.a4 a5 17.Ba3 Nb6 18.Nd4 Ne4-+ 19.Ne6 Qf6 20.Qd4 Qf2 21.Kd1 Be6 22.Bf3 Na4 23.Be4 de4 24.Kc1 Qg2 25.Rd1 h6 26.Rd2 Qg6 27.Rd1 b5 28.Rb1 Qf5 29.Rg1 f6 30.Rd1 Kh7 31.h4 Bf7 32.Ra1 Qf2 33.Qd2 Qh4 34.Rb1 Be8 35.Rg1 Qh3 36.Qd4 Bg6 37.Bc5 Qf5 38.Bb6 Qe5 39.Rh1 Nc3 40.Qe5 fe5 41.Ra1 a4 42.Bc7 Re8 43.Bd6 Nd5 44.Rb1 Re6 45.Bc5 Be8 46.Kd2 c3 47.Ke2 g5 48.Rh2 b4 49.Rb4 Nb4 50.Bb4 Bb5 51.Ke1 Rc6 52.Rf2 g4 53.Rf7 Kg6 54.Rf8 Bd3 55.cd3 ed3 56.Ra8 Kf5 57.Bc3 Rc3 58.Kd2 0–1. Alissa – marekt, ChessWorld.net, 2002.

8.Nc3 Nbd7 9.Bg3 Bc3 10.dc3 c4 11.Be2 Qa5 12.Bd6 Re8 13.0-0 Ne4 (13...Qa4 14.Bf4+=) 14.Bf4 (14.Bb4!? Qc7 15.Qd5+=) 14...Nc3-/+ 15.Qe1 Ne2 16.Qe2 Nc5 17.Nd4 (17.Rfd1 Na4-/+) 17...Ne6 18.Ne6 Be6 19.Rfb1 b6 20.Be5 Bf5 21.Bd4 Qa4 22.Ra2 Re6 23.Rb4 Qd7 24.a4 Rg6 (24...Qd6 25.Rbb2-/+) 25.g3 (25.a5 b5-/+) 25...Qb7 (25...Re8 26.a5 b5 27.a6-/+) 26.Rab2 (26.a5 b5-/+) 26...Bg4 27.Qf1 Bd7 (27...Qa6 28.Qa1-/+) 28.a5 (28.Qg2 Rc8-/+) 28...b5 29.Qg2 Rc8 30.Qf3 a6 31.Qf4 Bh3 32.f3 Qd7 33.c3 Re8 34.Rd2 Bf5 35.Rbb2 Bd3 36.Rd1 Qe7 37.h4 h6 38.Ra1 Qd7 39.Kh2 Rc6 40.h5 f6 41.Kg2 Qe6 (41...Qf7 42.Qg4-+) 42.Re1 (42.Rd1 Qe7-+) 42...Qf7-+ 43.Rh1 Qe7 44.Rb4 Rcc8 (44...Re6 45.Rd1-+) 45.Rh4 Qd8 46.Bb6 Qd7 47.Bd4 Qe7 48.Rh1 Rc6 49.Ra1 Qe6 50.Rh1 Qd7 51.Rb2 Kh7 52.Rd1 Rce6 53.Rbd2 Kg8 (53...Qf7 54.g4-+) 54.Rb2 (54.Kg1 Qf7 55.Qh4 Qc7-+) 54...Qd8-+ 55.Ra1 Rc6 56.Rb4 Qc8 57.Rb2 ½–½. Ellis,Maurice – Simashkevitch,Mykola (2045), FICGS, 2014.

8.0-0= c5 9.Nc3 Nbd7 10.Bf4 a6 11.Qb1 Nb6 12.Qb2 d4 13.Nb1 Na4=+ 14.Qb3 b5 15.ed4 cd4 16.Ng5 Ra7 17.c4 dc3-+ 18.Qc2 h6 19.Ne4 Ne4 20.Be4-/+ cd2 21.Nd2 Bd2 22.Bd2? Rc7 23.Bc6?? Qd6 24.Rae1?? Re1-+ 25.Re1 Be6 26.Rc1?! Bd7 27.Qb1 Qd2 28.Rd1 Nc3 29.Rd2 Nb1 (29...Nb1 30.Rd7 Rc6-+) 0–1. Seidler,David – Krasny,Henryk Jan, corr or01–002 E–mail, 2001.

8.h3 c5 9.c4 Nc6 10.Bc3 d4 (10...Be6 11.Qe2-/+) 11.Ba5+= Qa5 12.0-0 Bd7 13.Qb3 Rad8 14.Qb5 (14.Qb7?? Rb8 15.Qb5 Rb5 16.cb5 Ne5 17.Ne5 Re5-+) 14...Qc7 15.Qc5 de3 16.de3 Bh3 (better is 16...b6 17.Qg5 Bh3-/+) 17.Rd1?? (better is 17.Bh7!? Kh7 18.gh3=) 17...Ne4 (17...Bg4 18.Nc3 b6+=) 18.Qb5-/+ Qc8 19.Qh5? Bg4-/+ 20.Qh2 Bf3 21.gf3 Rd3! 22.Rd3 Ne5 23.Qe5? Re5 24.fe4 Rg5 25.Kf1 Qc4 26.Ke2 Rg2 27.Nc3 f5! 28.ef5 Qg4 29.Kd2 Rf2 30.Kc1 Qc4 (30...Qc4 31.Rd8 Kf7 32.Rd7 Ke8 33.Rd2 Qc3 34.Kb1 Qd2 35.f6 Qc2) 0–1. Pavlicek,Miroslav (2045) – Karasova,Eva (2010), Czech Republic – Slovakia, 2008.

8.c4 Nc6 9.Bb2 d4 10.ed4 cd4 11.Qb3 Re8 12.Qd3 Qe7 13.Bd4 Bf5 14.Qe3 Qd7 15.Be5 Ng4 16.Qg5 Nge5 17.0-0 Nf3 18.Bf3 Bd3 19.Rc1 Qe6 20.g3 Qe5 21.Qe5-+ Re5 22.Nc3 Bc3 23.Rc3 Bg6 24.Bd5 Rae8 25.Re3 Be4 26.f4 R5e7 27.Be4 Re4 28.Kf2 Nd4 29.Rb1 Re3 30.de3 Nc2 31.Rb7 Ne3 32.c5 Nc4 33.Ra7=+ g6 34.Ra4? Nb2-+ 35.Ra6 Rc8?? 36.c6=+ Kg7 37.Ke3 Nc4 38.Kd4 ½–½. Schmidt,Thomas (1775) – Pfeiffer,Joerg (1640), Kreuzberg, 2000.

8.c4 Nc6 9.cd5 Ne5 10.Ne5 Nd5 11.0-0 Re8 12.Nc4 Bc7 13.Qb3 Qe7 14.a4 Be6 15.Nc3 Rad8 16.Nd5 Bd5 17.d3 Qh4 18.g3 Qh3 19.e4 Bc4 20.Qc4 Be5 21.Rab1 Re6 22.Rb7 Rh6 0-1. apistos (2040) - bobby1960 (2300), gameknot.com, 2018.

9.Bb2 Bc7 10.d3 d4 11.e4 Re8 (11...Be6 12.c3+=) 12.Nbd2 Nd7 13.c3 Nde5 (13...dc3 14.Bc3 Nde5 15.Qc2=) 14.Ne5 (14.cd4 cd4 15.Ne5 Re5+=) 14...Ne5 (better is 14...Be5!? 15.c4 Qc7+=) 15.cd4+/- cd4 16.f4 Ng6 17.g3 Bh3 18.Rf2 Nf4? (better is 18...Rc8+/-) 19.gf4+– (19.Rf4?! Bf4 20.gf4 Qf6+/-) 19...Bf4 (19...Re6 20.Kh1+–) 20.Rf4 Qg5 21.Bg4 h5 (21...Qf4 22.Bh3 Qe3 23.Kg2 Qd3 24.Nf3 Qd1 25.Rd1 Re4 26.Bd4+–) 22.Nf3 Qg6 23.Qd2 (23.Nd4 Bg4 24.Qd2 Rad8+–) 23...Bg4 24.Kf2 (24.Nd4 Rac8+–) 24...Bf3 25.Kf3 (25.Rf3 Qd6 26.Qf4 Qf4 27.Rf4 Rec8+–) 25...Qd6 (25...Rad8 26.Rc1+–) 26.Qg2 Re5 1–0. Amor Alcaide,Manuel (1975) – Rabinovich,Yacov (1770), 12th Torneig Internacional Sant Marti, 2010.

9.Bb2 Bf5 10.Nc3 d4 11.Na4 Qd6 12.Re1 Bc7 13.Rb1 Be4 14.Ba1 Rab8 15.g3 =+.

9.Bb2 Bf5 10.c4 d4 11.ed4 Nd4 12.Nd4 cd4 13.d3 (13.Qb3 Re8 14.Bf3 Rb8=+) 13...Re8-/+ 14.Nd2 Bc3 (14...Qe7 15.Re1 Rad8 16.Rc1=+) 15.Ra2=+ Rc8 16.Nf3 (16.Nb1 Ba5=+) 16...b5-/+ 17.Bc3 dc3 18.cb5 Nd5 (18...Qd5 19.Rc2=+) 19.Nd4 Nb4 (19...Nf4 20.Nf5 Qd5 21.Bf3 Qa2 22.Qa4-+) 20.Nf5= c2 21.Rc2 Nc2 (21...Rc2? 22.Bg4 Rb2 23.ab4 Rb4 24.d4+–) 22.Bg4 (22.Bf3 Re5 23.Be4 g6=+ (< 23...Rb5 24.Qg4 Rf5 25.Bf5+/-)) 22...Rc3=+ (< 22...Na3 23.Ng7 Kg7 24.Bc8 Nb5 25.Qg4 Kh8 26.Bd7+/-) 23.a4 (23.d4 Na3 24.Be2 Qf6=+) 23...g6-/+ 24.Ng3 Qd3 25.a5 f5 (< 25...Qb5 26.Bd7 Qe5 27.Be8 Qe8 28.Qd5+=) 26.Qd3 Rd3 27.Be2 Rc3 28.b6 ab6 29.ab6 Nd4 30.Ba6 f4 31.Nh1 Rb8 32.Rd1 Rb6 33.Bf1 Rd6 34.Re1 Rd5 35.h4 Nf5 36.Re4 Rd4 37.Rd4 Nd4 38.Kh2 Kg7 39.Ba6 Kf6 40.Bb7 Nf5 41.g3 Ke5 42.Kg2 h5 43.Kh2 f3 44.Kh3 Nh6 45.Ba8 Ra3 46.Bc6 Ng4 47.Bb7 Kd4 (47...Kd4 48.Bd5 Ne5-+) 0–1. Pleschke,Helmut (1700) – Herbst,Bernd (1820), ECT, 1999.

9.Bb2 Bf5 10.d3 b5 11.c4 dc4 12.dc4 b4 (12...bc4 13.Bc4 Rb8 14.Qc1=) 13.Qb3 (13.ab4 Bb4 14.Qa4 Nb8+=) 13...Qe7 14.ab4 cb4 (14...Bb4 15.Qa4 Bd7 16.Qc2=) 15.Nd4 Nd4 16.Bd4 (16.ed4 Qe2 17.Ra5 Bd3-+) 16...Bd8 17.Qa4 (17.Bf3 Ne4+=) 17...a5= 18.Qb5 Bd7 19.Qb7 Qe4 20.Qe4 Ne4 21.f3 Nd6 22.Bc5 Bf6 23.Ra2 Be7 (23...Nf5 24.Bf8 Kf8 25.Rd1=) 24.Rd2 (24.Rd1 b3 25.Rad2 Nc4 26.Be7 Nd2 27.Rd2+= (< 27.Nd2 Rfe8 28.Bd6 Re3-/+)) 24...Nc4=+ 25.Bc4 Bc5 26.Rd7 Be3 27.Kh1 a4 28.Re1 Bg5 (28...Rac8 29.Bd5=+) 29.Nd2 (29.Rb7 a3=) 29...Bd2=+ 30.Rd2 a3 (30...Rfc8 31.Rd4=+) 31.Rb1 (31.Rd7 Rac8 32.Bb3 Rc3+=) 31...Rfb8 32.Ba2 Ra7?? (32...Rd8 33.Re2=+) 33.Kg1?? (better is 33.Rb4! Re8 34.Kg1+–) 33...Rab7 34.Kf2 Kf8 35.Rd3 Rc8 36.Bb3 Ra7 37.Ke3 Rb7 38.Kd2 Ke7 39.Re1 Kf6 (39...Kf8 40.f4=) 40.Rd6+= Kg5 41.Re5 Kf4?? (better is 41...f5+=) 42.Rdd5 (42.Rdd5 Rc2 43.Bc2 b3 44.Re4#) 1–0. Amor Alcaide,Manuel (2025) – Frances Cuscullola,Oriol (1965), Barbera del Valles op–B, 2007.

9.Bb2 Bf5 10.d3 Bc7 11.Nbd2 Qd6 12.g3 (12.Rb1 Rab8=) 12...Rfe8 13.Re1 Ba5 (13...Rab8 14.Nb3=+) 14.Nh4 (14.Rb1 Rab8=+) 14...Bh3 15.Bf1 (15.Ng2 Ne5=+) 15...Bf1 16.Rf1 Qe6 (16...Bd2 17.Qd2 Qe6 18.Rab1=+) 17.Nb3 Bb6 18.Qf3 d4 (18...c4 19.dc4 dc4=+) 19.e4 (19.Rae1 Rad8=+) 19...Ne5 (19...c4!? 20.dc4 Ne4-/+) 20.Qf5=+ Qf5 (20...Rad8 21.Nd2=+) 21.Nf5 (< 21.ef5 a5-/+) 21...Rad8 (21...c4 22.dc4 Ne4 23.Bd4 Bd4 24.Nbd4=+) 22.f4 Nc6 (22...Neg4 23.e5 Ne3 24.Ne3 de3 25.Rfe1=+) 23.Nd2 (23.a4 Nd7=+) 23...Bc7 (23...g6 24.Nh4=+) 24.h3 (24.e5 Nd5=+) 24...g6 25.Nh6 (25.Nh4 b5=+) 25...Kg7 26.Ng4 Nh5 27.Kg2 f5 28.Nh2 (28.Nf2 g5 29.fg5 Ng3=+) 28...g5 29.e5 gf4 30.gf4 Ne7 31.Nb3= Bb6 32.Rae1 Nd5 33.Bc1 Kf7 34.Kf3 Re6 35.Rg1= Rh6 36.Rg5 Ke6 37.Re2 Rd7 38.Nf1 Bd8?? 39.Rg1 Rg6?? 40.Rg6+– hg6 41.Rg2 Ne7?? 42.a4 Kf7? 43.Nfd2 Ng7? 44.Nc4 Bc7?? 45.Bd2?? Ne6= 46.Na3 a6 47.Nc4 Nc8 48.Na3 Bd8 49.Ke2 Be7 50.Kf3 Na7 51.Nb1 b5=+ 52.ab5 ab5 53.c4?? bc4 54.Na5 cd3 55.Na3 Bd8 56.Nb3 Nc8 57.Nc1 Nb6 58.Nb5 Be7 59.Nd6 Bd6 60.ed6 c4 (60...c4 61.h4 Rd6-+; < 60...Rd6 61.Nd3 Nd7 62.Bc1-+) 0–1. Czeratzki,M – Kaster,Martin, Polch ch–RL, 1993.

9.Bb2 Bf5 10.d3 Bc7 11.Nbd2 Re8 12.Re1 Qd6 13.Nf1 Rad8 14.d4 c4 15.Ng3 Bc8 16.a4 (16.Nd2 Qe6-/+) 16...h5 (16...Ne4!?-/+) 17.Ba3 Qd7 18.c3 h4 (18...Bg3 19.hg3 Ne4 20.Qc1=+) 19.Nf1 (19.Nh4 Bg3 20.hg3= (worse 20.fg3 Re3 21.Qd2 Re6=+)) 19...h3 20.g3 Ne4 21.N3d2?? (better 21.Rc1-/+) 21...Nc3-+ 22.Bg4 (22.Qc1 Ne2 23.Re2 Nd4 24.Re1-+) 22...Qg4 (22...Nd1?! 23.Bd7 Bd7 24.Red1-+) 23.Qg4 Bg4 24.f3 Bf5 25.Bb2 Ba5 26.e4 (26.Ra3 b5 27.Bc3 b4 28.Bb4 Bb4-+) 26...de4 27.Nc4 Bb4 28.Nce3 (28.Re3 Nd4 29.Bc3 Bc3-+) 28...Bg6 (better 28...Nd4!? 29.Kf2 Rc8 30.Ba3-+) 29.Nc2 Nd5 30.Nb4 Ncb4 31.fe4 Be4 (31...Nc2 32.e5-+) 32.Nd2 (32.Re2 Nd3 33.Ra3 N5b4-+) 32...Bg2 33.Nc4 Nd3 34.Re2 (34.Red1 Nb2 35.Nb2-+) 34…Re2 (34...Re2 35.Bc3 Nc3 36.Nb2 Rb2 37.Re1 Ne1 38.d5 Nf3) 0-1. bvamrx (2040) - bebesote (2070), lichess.org, 2021.

9.Bc3 Bc3 10.Nc3 d4 11.ed4 (11.Na4 Qa5 12.Nb2 Be6=+) 11...cd4 12.Na4 Re8 13.Re1 Qd6 14.Nb2 Bg4 15.h3 Bf3 16.Bf3 Re1 17.Qe1 Re8 18.Qc1 Ne5 19.Nc4?? (better is 19.Bb7 Qb6 20.f4-/+) 19...Nc4-+ (19...Nc4 20.Bb7 Qf4-+) 0–1. Rosner,Dirk – Woelfelschneider,Peter, Tiger SC, 2000.

9.Bc3 Bc7 10.Bb2 Qd6 11.g3 Bh3 12.Re1 Ba5 13.Bf1 Bf1 14.Rf1 b5 15.Nc3 Rab8 16.Ne2 Rfe8 17.d3 a6 18.h3 Nd7 19.Kg2 h6 20.Nh4 Ne7 21.Qb1 g5 22.Nf3 Ng6 23.Qa2 Kh7 24.Bc3 Bc7 25.Rh1 f5 26.Rae1 a5 27.Ba1 b4 28.ab4 ab4 29.Qb2 Re7 30.Nc1 b3 (better is 30...Ra8!?+=) 31.cb3+= (worse is 31.Nb3 c4 32.h4 gh4-/+ (worse is 32...cb3 33.hg5 Kg8 34.Rh6+=)) 31...Ba5 32.Re2 Nde5 33.Ne5 Ne5 34.d4 cd4 35.Qd4 Bb6 36.Qc3 Qd7 37.Rd1 Qb7 38.f3 Rc8 39.Qe1 d4 40.ed4 Qf3 41.Kg1 Qd5 42.Qf2 (better is 42.Qb4!? Rb7 43.Na2+=) 42...Nf3-/+ 43.Kf1 Rec7 44.Qe3 Rc1! 45.Rc1 Rc1 46.Qc1 Nd4 47.Re7 Kg6 48.Qe3 Qh1 49.Kf2 Qh2 50.Kf1 Qh3 51.Kf2 Qh2 52.Kf1 Qh1 53.Kf2 Qa1 54.Rd7 Kh5 (54...Kh5 55.Kg2 Qb2 56.Qf2 Qf2 57.Kf2 Nb3 58.Kg2 Nc5-+) 0–1. Niewold,Jaap (1685) – Wlasow,Andrey (2220), IECG, 2006.

9.Bc3 Bc7 10.d4 c4 11.Nbd2 Re8 12.Ne5 Ne5 13.de5 Be5 14.Be5 Re5 15.Nc4 Re8 16.Nb2 Ne4 17.Qd4 Qf6 18.Qf6 Nf6 19.Rfd1 Be6 20.c4 Rac8 21.Rac1 g6 22.c5 Kg7 23.Nd3 Rc7 24.Rb1 Rec8 25.f3 Nd7 26.Rb5 Nc5 27.Nc5 Rc5 28.Rb7 Ra5 29.Rd3 Rc1 30.Kf2 Ra1 31.Rc3 R5a3 32.Rcc7 a5 33.Rc6 Kf6 0–1. phildo (1860) – kingcruel (1885), gameknot.com, 2013.

9.Bc3 Bc7 10.d4 cd4 11.Nd4 Qd6 12.g3 Bb6 (12...Qe7!?=) 13.Nb5+= Qe7 14.Bf6 Qf6 15.N1c3 Be6 16.Nd5 Bd5 17.Qd5 a6 18.Nd4 Rad8 19.Qg2 Bd4 20.ed4 Nd4 (worse is 20...Qd4 21.Ba6 ba6 22.Qc6+=; 20...Rd4?! 21.Qf3 Qf3 22.Bf3=) 21.Bd3 Nf3 22.Kh1 Rfe8 23.a4 Re5 24.a5 Rb8 25.Rab1 (25.Qh3 h6+=) 25...Ra5 26.Rb4 Qd6 27.Rbb1 Qc6 28.Rb3 Rc5 29.Rd1 g6 30.Ba6 Qa6 31.Qf3 Rc2 32.Kg2 Rc7 33.Rdb1 b5 34.Qd5 Qb7 35.Qb7 Rcb7 (35...Rbb7?! 36.Rb5 Rb5 37.Rb5=) 36.Rb4 Kf8 37.Kf3 Ke7 38.Ke4 Kd6 39.Rd4 Ke6 40.Rdb4 f5 41.Ke3 Kd5 42.Rd4 Ke6 43.Rdb4 Kd5 44.Rd4 Ke5 45.f4 Ke6 46.Rdb4 Kd6 47.Rd4 Ke6 48.Rdb4 ½–½. Bendig,Frank (2350) – Speisser,Patrick (2105), IECG, 2006.

9.Bc3 Bc7 10.Bf6 Qf6 (< 10...gf6 11.d4+=) 11.Nc3 Rd8 12.d4 (12.e4 de4 13.Ne4 Qe7=+) 12...a6-/+ 13.Rb1 cd4 14.ed4 g5 15.h3 h5 16.a4 (16.Bd3!?-/+) 16...g4-+ 17.hg4 hg4 18.Nd2? (better is 18.Nh2 Qd4 19.Qd4 Nd4 20.Rfd1 Ne2 21.Ne2-/+) 18...Qh4 19.f4 Nd4 20.Re1 (20.Bd3 Nb5! 21.a5 Nc3 22.Qe1 Qe1 23.Rbe1 (23.Rfe1?? Nb1 24.Rb1 Ba5-+) 23...Ba5 24.f5-+) 20...Nb5! 21.ab5 Bb6 (21...Bb6 22.Kf1 Qf2#) 0–1. Amir,Jacob – Baroin,Bernard (2015), TE.2004.P.01705, 2004.

9.Bc3 d4 10.Ba5 Qa5 11.c3 Be6 12.Qc2 Rfd8 13.a4 Qb6 14.Na3 Bb3 15.Qc1 d3 16.Bd1 Be6 17.Rb1 Qc7 18.Nb5 Qe7 19.Ng5 Bf5 20.Bb3 Bg6 21.f4 Bh5 22.h3 h6 23.Nf3 Bf3 24.Rf3 a6 25.Na3 Ne4 26.Kh2 Na5 27.Ba2 Qd7 28.Qd1 Rac8 29.Bc4 Rc6 30.Rb2 Qc7 31.Qb1 Rb6 0–1. phildo (1860) – phish_phan (2045), gameknot.com, 2012.

9.Bc3 d4 10.Ba5 Na5 11.ed4 cd4 12.d3 Nc6 13.c4 Re8 14.Re1 Be6 15.Nbd2 h6 16.Nb3 Attacks the isolani on d4 16...Qd6 17.h3 Re7 18.Qd2 Rae8 19.Bf1 a6 20.Qb2 Increasing the pressure on the isolated pawn on d4 20...Rd8 21.Re2 (21.c5 Qd5 22.Rab1 Kf8=) 21...b5+= 22.cb5 ab5 23.Ree1 Rc7 24.Rac1 b4 25.ab4 (25.a4 Bb3 26.Qb3 Nd5-/+) 25...Qb4-/+ 26.Rb1 Rb8 27.Nfd2 Nd5 28.Qc2 (better is 28.Nc4!? Nc3 29.Nd4 Nb1 30.Rb1-+) 28...Nc3 29.Rb2 (29.Be2-+) 29...Na5 30.Reb1 (30.Nc4 Nb3 (30...Bc4?! 31.dc4 Rcc8 32.Na5 Qb2 33.Qf5-+; 30...Nc4?! 31.dc4 Ra7 32.Rbb1-+) 31.Re5 Bd5-+) 30...Nb3 (better is 30...Ne2! 31.Be2 Rc2 32.Rc2 Nb3 33.Bg4-+) 31.Nb3 Nb1 32.Qc7 Nc3 (32...Bb3?! 33.Rb1 Qb6 34.Qb6 Rb6 35.g4=) 33.Rd2 (33.g3 Bb3 34.Bg2 Re8-+) 33...Qb3 34.Qd6 Qb1 35.Qd4 (35.f4 Bd5 36.Qe5-+) 35...Qf1 36.Kh2 Qc1 (36...Ne2 37.Re2 Qe2 38.Qf4-+) 37.Qf4 (37.Qe3-+) 37...Rb2 (37...Rb2 38.Qe5 Rd2-+) 0–1. kratz – marekt, ChessWorld.net, 2016.

9.d4 Ne5 10.Ne5 (10.de5 Ne4-/+) 10...c4 (10...cd4 11.ed4 Ne4 12.Bd3-/+) 11.c3 (11.Nd2 Nd7+=) 11...Bf5-/+ 12.Qc1 Rb8 (12...Ne8!?-/+) 13.Nd2+= Nd7 14.Ndf3? (better is 14.Bg4 Bg4 15.Ng4+=) 14...Nb6-+ 15.a4? (better is 15.Nd2 Na4 16.Nb1-+) 15...f6 16.Nc4 Nc4 17.Bc4 (17.Nh4 Bd7 18.Bc4 dc4-+) 17...dc4 18.Nd2 Bd3 19.Re1 Qd6 20.Qa3 Qa3 21.Ra3 Rfd8 22.e4 (22.Rc1 Bc7-+) 22...Rd6 23.e5 (23.Rc1 Re8 24.Ra2 Be4 25.Nc4 Rde6-+) 23...fe5 (23...Re8 24.f4 Rd4 25.cd4 Bd2 26.Rd1 Be3 27.Kh1 fe5 28.de5 Bf4 29.Rad3 cd3 30.Rd3 Be5 31.Rd7-+) 24.de5 (24.Re5 Bc7 25.Re7 Rc8-+) 24...Re8 (24...Rb6 25.h3-+) 25.Nf3 (25.h4 Rb6-+) 25...Rde6 (better is 25...Rb6!? 26.Rd1-+) 26.h3 Bc7 0–1. Cevizovic,Milos (1700) – Perovic,Zivojin (2210), Kragujevac SER, ChampionshipU18, 2016.

9.Bf4 Re8 10.Bg5 h6 =+.

9.Bf4 Bf5 =+.

9.Bf4 Nh5 10.Bg5 f6 11.Bh4 g5 12.Ne1 Ng7 13.Bg3 Nf5 14.c3 Ng3 15.fg3 Qe7 16.Qa4 Bd7 17.Bf3 Be6 18.c4 Rad8 19.Ra2 dc4 20.Bc6+= c3 21.Qa5 Ba2 22.Nc3 Bc4 23.Rf5 bc6 24.Qc5 Qc5 25.Rc5 Bd5 26.d3 Bf7 27.Rc6 Rc8 28.Rc8 Rc8 29.Ne2 Rc5 30.e4 f5 31.Kf2 fe4 32.de4 Bh5 33.Nf3 Ra5 34.h3 g4 35.Nh4 gh3 36.gh3 Be2 37.Ke2 Ra3 38.Nf5 a5 (38...a5 39.h4 a4-+) 0–1. marekt – Sandeman_be, ChessWorld.net, 2003.

9.Bg3 Ne4 10.d3 (10.Bh4!? Qb6 11.d3=+) 10...Ng3-/+ 11.hg3 Be6 12.Nbd2 b6 13.c4 Bc3 14.Rb1 dc4 15.Nc4 Bf6 16.Qc2 Qd7 17.Rfd1 g6 18.Rd2 (18.Nfd2 Bg7=+) 18...Rfc8 19.Rdd1 Rab8 20.Qa4 (better is 20.Nfd2!?=+) 20...Nd4-+ 21.Qd7 Ne2 (21...Bd7? 22.ed4 cd4 23.Re1+–) 22.Kf1 Ng3! (22...Bd7?! 23.Ke2 Bg4 24.e4=+) 23.fg3 Bd7 0–1. Koerner,Helmut (1960) – Behrmann,Joachim (2200), LiraH Autumn, 2008.

10.a4 Qb6 11.Qc1 =+.

10.a4 Bc7 11.Na3= a6 12.Re1 Rb8 13.ed4 cd4 14.Nc4 Qd5 15.Bd3 Bg4=+ 16.Ba3 Rfe8 17.Re8 Re8 18.Rb1? b5-+ 19.ab5 ab5 20.Rb5 Qb5 21.Nd6 Qh5 22.Ne8 Ne8 23.h3 Bd7 24.Be2 Qd5 25.Bb2 Bb6 26.Qf1 Nd6 (26...Nd6 27.Qa1 Nb4-+) 0–1. Koerner,Helmut (1810) – Offermann,Fernando (1985), Berlin, 2006.

10.a4 Re8 11.Na3 Ne4 12.Nc4 Bc7 13.Re1 Be6 14.Rb1 Bd5 15.d3 Nd6 16.ed4 cd4 17.Nd4 Nd4 18.Bd4 Nf5 19.Bc3 Qh4 20.h3 Qf4 (20...Qf4 21.Ne5 Be5 (21...Re5 22.g3 Ng3 23.Be5 Be5 24.Bf3 Bf3 25.Re5 Bd1 26.Re3-+) 22.Be5 Re5-+) 0–1. Rosner,Dirk (1790) – Walther,Manfred (1925), KO–026 VCC, 2002.

10.Qc1 Re8 =+.

10.ed4 cd4 11.d3 Re8 12.Nbd2 Be6 13.Nb3 Bb3 14.cb3 Qe7 15.b4 Qe2 16.Bd4? Qd1 17.Rad1 Nd4 18.Nd4 Bb6 19.Nf3 0–1. Streich,Bernd (1720) – Johannsen,Ingbert (2030), 17sen.EM Berlin, 2001.

10.d3 b5 11.c3 a6 12.a4 Bf5 13.Nh4 Bd7 (13...Be6 14.ab5 ab5 15.Nf3+= Qe7 16.Qc2 Bf5 17.Nbd2 b4 18.Nb3=) 14.Qc2 (14.ab5 ab5 15.Nf3 Qe7+= 16.Qb3 b4 17.Rc1 Be6 18.Qc2=) 14...Qe7 (14...b4 15.cb4 cb4 16.Nf3 Qe7 17.Nbd2 Rac8 18.Qb2=) 15.ab5 ab5 16.Nd2 (16.Nf3 d4 17.cd4 cd4+= 18.e4+=) 16...d4 17.cd4 Nd4! (17...cd4 18.e4+=) 18.Qd1 (18.ed4 Qe2) 18...Nd5 (18...Ne2 19.Qe2 Bg4 20.f3-/+) 19.Ne4 Ne2 20.Qe2 Nc3 21.Nc3 Bc3 22.Ra8 Ra8 23.Qf3 (23.Qh5 g6 24.Qd5 Rd8+=) 23...Ra7 (23...Ra3 24.Rb1-/+) 24.Bb8 (24.Qf4 Ra4 25.Nf5 Qe6 26.Qb8 Qe8 27.Ne7 Kh8=) 24...Ra4 (24...Ra3 25.Bg3-/+) 25.Nf5 (25.Bg3 Bg4 26.Qc6 Qd7 27.Qc5 Qd3-/+) 25...Qf6 26.Ng3 Qf3 27.gf3 Bh3 28.Rb1 Ra1 29.Ra1 Ba1 30.Nf1 (30.Bd6 c4 31.dc4 bc4-/+) 30...c4 (30...Be6 31.Bd6 c4 32.dc4 bc4 33.e4-+) 31.dc4 bc4 32.Bd6 c3-+ 0–1. Kool,Gerard (2105) – Grunberg,Mihai_Lucian (2410), Czech Christmas, Litomysl CZE, 2006.

10.d3 b5 11.c4=+ bc4 12.dc4 d4 13.ed4 Nd4 14.Nd4= Qd4 15.Qd4 cd4 16.Bf3 Ne4 17.Rd1 Ba6 18.Be4 Re4 19.Nd2 Ree8 20.Bd6 Bc3-/+ 21.Rab1 Rac8 22.Bb4 Bc4 (22...Bc4 23.Nc4 Rc4-/+) 0–1. Asparuchov – Chevaldonnet, Pernik, 1979.

10.d3 d4 11.e4 -/+.

10.d4 cd4 11.Nd4 Ne4 =+.

10.Bf4 Bf5 =+.

8.Bb2 Bf5 9.0-0 Qe7 10.c4 dc4 11.Bc4 Ne4 12.d3 Rfd8 13.Bb5 Nc5 14.d4 Rab8 15.Nbd2 Bd3 16.Bd3 Nd3 17.Qc2 Nb2 18.Qb2 Bd2 19.Nd2 Rd5 20.Rfc1 a6 21.Nb3 Rh5 22.Nc5 a5 23.h3 Rg5 24.Rc3 Rg6 25.Rac1 Qg5 26.g3 Rh6 27.Ne4 Qd5 28.f3 Qd7 29.g4 Qd8 30.Kh2 Qh4 31.Nf2 Qd8= 32.Rc5 Qe8 33.d5+= Ne7 +=. Deneuville,Christian (2255) – Dacquin,Serge (2175), corr AJEC–12IR, 1999.

8.Bb2 Bg4 9.h3 Be6 10.0-0 Re8 11.d3 Bb6 12.Nbd2 d4 13.e4 h6 14.Nb3 a6 15.Qd2 Qd6 16.c4 dc3 17.Qc3 Bb3 18.Qb3 Nd7 19.Rab1 Nc5 20.Qc4 Rad8 21.e5 Qg6 22.d4 Na5 23.Qc3 Ne6 24.Qe3 Nc6 25.Bd3 Qh5 26.Be2 Ne7 27.Qe4 Nd5 28.Bd3 Nf8 29.Bc4 c6= 30.Ba1 Rd7 31.Qh4 Qh4 32.Nh4 Ba7 33.Bd5 cd5 34.Nf5 ½–½. marekt – lendin, gameknot.com, 2002.

9.0-0 Be6 10.d3 Qe7 11.Nbd2 Rad8 12.Nb3 Bb6 13.a4 Na5 14.Ba3 c5 15.d4 Nb3 16.cb3 Ne4 17.dc5 Bc5 18.Bc5 Nc5 19.b4 Ne4 20.Qd4 b6 21.Rfc1 Rc8 22.Ba6 Rc7 23.Qb2 Nd6 24.Rc7+= Qc7 25.Rc1 Nc4 26.Qb3 Qe7 27.Nd4 Nd2 28.Qc2 Ne4 29.Bb5 Rf8 30.f3 Nd6 31.Qc7 Qg5 32.f4 Nb5 33.Nb5 Qg6 34.Na7 Bh3 35.Rc2 Qg4 36.Rd2 Qh4 37.Kf1 Bg4 38.h3+/- Bh3 39.gh3 Qh3 40.Ke2 Qg2 41.Kd1 Qh1 42.Kc2 Qe4 43.Rd3 Qb4 44.Qc6 Qe4 45.Nc8 Qg2 46.Kc1+/- Qh1 47.Kb2 (47.Kb2 Qe4 48.Qd5 Qa4 49.Ne7 Kh8 50.Qf7 Qb4 51.Kc2 Qa4 52.Kd2 Qb4 53.Ke2 Qb2 54.Kf3+–; 47.Rd1 Qe4 48.Re1 Re8+=) 1–0. Rosner,Dirk – Angermann,Immo_Frank, DESC, 2001.

9.0-0 Bf5 10.d4 Ne7 11.c4 c6 12.Nbd2 Ng6 13.Rc1 Ne4 14.cd5 cd5 15.Ne4 de4 (worse 15...Re4 16.Bd3+/-) 16.Nd2 a6 17.Qb3?? (17.Nc4 Bc7=) 17...b5?? (17...Bd2 18.Rc5 Bc8 19.Bc4-+) 18.Rc2?? (better 18.Rfd1=) 18...Be6-+ 19.Nc4 bc4 20.Bc4 Bc4 21.Rc4 Bc7 22.a4 (22.Rfc1 Bd6-+) 22...Rb8 (22...Nh4 23.Qc2 Ra7 24.Rc1-+) 23.Qc2 Bd6 24.Ba1 (24.Rc6 Rb7-+) 24...Qg5 25.g3 (25.Rc6 Nh4 26.g3 Qh5-+) 25...Nh4 26.Rc6 Nf3 27.Kg2 Rbd8 (27...Bb4 28.Bc3 a5 29.h3-+) 28.Rb1 (28.Ra6 Bb4 29.Qb1 Rb8-+) 28...h5 (28...Qh5 29.h3-+) 29.d5? (29.Ra6 h4 30.Qe2-+) 29...h4 30.Ra6 Qf5 31.h3 (31.Qc3 h3 32.Kf1 Be5-+) 31...hg3 (31...Ng5 32.g4 Qf3 33.Kf1 Nh3 34.Ra5-+) 32.fg3 Qg5 (32...Qg5 33.Qf2 Nh4 34.Kh1 Nf5-+) 0-1. jhonores (2165) - JasonRojo27 (2145), Rated Blitz game, lichess.org, 2020.

9.0-0 Bg4 10.Nc3 a6 11.h3 Bf5 12.Nh4 Be6 13.Nf3 d4 14.Na4 de3 15.fe3 Ne4 16.Bd3 f5 17.Be4 fe4 18.Nd4 Nd4 19.Bd4 b6 20.Bc3 Qg5 21.Kh1 Bd7 22.Ba5 Ba4 23.Bc3 Rf8 24.Qb1 Rf1 25.Qf1 b5 26.Qb1 Rf8 27.Qa2 Kh8 28.Kg1 Qf5 29.Kh1 c6 30.Rc1 Qg6 31.Kg1 Rf3 32.Rf1 h6 33.d4 Qg5 34.Bd2 Rf1 35.Kf1 Qd5 36.Qb2 Qc4 37.Kg1 Qe2 38.c3 h5 39.c4 bc4 40.Qb8 Kh7 41.Qe5 Bc2 ½–½. Dlugolecki,Grzegorz – Miguel,Jesus, UECC, 1999.

10.Bc3 Bb6 11.Bf6 Be6 13.Na4 Ba5 14.Nc5 Bc8 15.c4 dc4 16.Bc4 Bb6 17.Na4 Bg4 18.d4 Bf3 19.Qf3 Qf3 20.gf3 Nb8 21.Nb6 ab6 22.Kg2 Nd7 23.Rfb1 c6 24.f4 b5 25.Bd3 Ra4 26.Be2 Rea8=+ 27.Rb3 Kf8 28.Bf3 Nb6 29.d5 Nc4 30.dc6 bc6 31.Bc6 Na5 32.Ba8 Nb3 33.Rb1 Nd2 34.Rd1 Ra8 35.Rd2 Ra3 36.Rd7 g6 37.Rb7 Rb3 38.Kf3 Rb2 39.Kg3 b4=+ 40.Kf3 b3 41.e4 Rb1 42.e5 b2 43.Rb8 Ke7-/+ 44.Kg2 Ke6 45.Rb6 Kd5 46.Rb4 h5 47.Kf3 Kc5 48.Rb3 Kc4 49.Rb8 Kc3 50.Rc8 Kd2 51.Rb8=+ h4 52.h3 Kc2 53.Rc8 Kd1 54.Rb8 Kd2 55.Rb7 ½–½. Rosner,Dirk – Bloemers, corr Tiger–SC, 1999.

11.Rb1 b5 12.Re1 Bf5 13.Bd3 Bc3 14.Bc3 Bd3 15.cd3 Qa3 16.Bf6 gf6 17.d4 Qd6 18.d3 b4 19.Qa4 a5 20.Rec1 Ra6 21.Ra1 Rb8 22.Qb3 Rb5 23.Ra4 Ne7 24.Raa1 Nf5 25.Qa4= c6 26.Rab1 Ng7 27.Rb3 Ne6 28.Kh1 Rbb6 29.Rbb1 Rb8 30.Nh4 Qd7 31.Kg1 Ng5 32.h3 Kh8 33.Rb2 Nh3 34.gh3 Qh3 35.Ng2 Rg8 36.f3 Qf3 37.Re1 Rg4 38.Rf2=+ Qg3 39.Ree2 Rg6 40.Kf1= Rh6 41.Ke1 Rh2 42.Kd2 h5 43.Qa1 b3 44.Qf1 Qb8 45.Kc1 a4 46.Nf4 Rf2 47.Rf2 a3 48.Kb1 b2 49.Ka2 Rb6 50.Qb1 Qe8 51.Rf3?? Qe7 52.Rf1-/+ Qe3 53.Nh5 Qd4 54.Nf6 c5 55.Nd7 Rh6 56.Rf7 c4 57.Re7 Kg8 58.Re8 Kf7 59.Rc8 Kg7 60.Rc7 Kg8 61.Nc5 cd3 62.Nd3 Qg4 63.Nf4+– Rh2 64.Nd5 Qg2 65.Ne7 Kg7 66.Rc6 Qc6 67.Nc6 Rh6 68.Qg1 Rg6 69.Qa7 Kf6 70.Qa3 b1Q 71.Kb1 Rg1 1–0. COMP – COMP, 2002.

11.Rb1 Bf5 12.Na2 b5 13.Nc1 Bb6 14.Nd3 d4 15.Re1 de3 16.fe3 Rad8 17.a4 ba4 18.Ra1 Qe4 19.Bf6+= gf6 20.Rf1 Ne5 21.Qe1 Ng6 22.Qg3 c6 23.Rab1 Rb8 24.Nd4 Bd7 25.Bf3+– Qh4 26.Qd6 Red8 27.Nc6 Bc6 28.Qc6 Ba5 29.Rb8 Rb8 30.Qd6 Rd8+= 31.Qa6 Bd2 32.e4 Ne5 33.Qa4 Nd3 34.cd3 Be3 35.Kh1 Bf4 36.g3 Bg3 37.Qa2 Bf4 38.Rg1 Kh8 39.Qg2 Qh6 40.Be2 Be3 41.Rb1 Qh4 42.Qg3 Qg3 43.hg3 Kg7 44.Kg2 Rd4 45.Kf3 Bg5 46.Rb7 h5 47.Kg2 Kg6 48.Rb8 Bh6 49.Rg8 Kh7 50.Rc8 Kg6 51.Rc6 Bf8 52.Kh3 Bh6 53.g4+/- hg4 54.Kg4 Be3 55.Kf3 Bh6 56.Rc4 Rc4 57.dc4 f5 58.c5 fe4 59.Ke4 f5 60.Kd5 Kf6 61.c6 Bf4 62.Bd3 Bc7 63.Bf5 Kf5 64.Kd4 Ke6 65.Kc5 Ke5 66.Kb5 Kd5 67.Ka6 Kc6 ½–½. Fritz 6 – Fritz 5.32, 2004.

12.Rb1 b5 13.Qc1 Bb6 14.d3 Rad8 15.a4 b4 16.Nd1 h6 17.c3= Ba5 18.c4 Qd6 19.Bf6 Qf6 20.cd5 Ne7 21.Nd4 b3 22.Rf1 Nd5 23.Nf5 Qf5 24.Rb3 Qe6 25.Qa3 Nf4 26.Bf3 Ng6 27.Rb2 Rb8 28.Rb8 Rb8 29.Qc5 Bb6 30.Qh5 Ne5 31.Be4 c5 32.f4 Nd7 33.Bd5 Qe8 34.Bc4 Ba7 35.Ba6 Nf6 36.Qf3 Qa4 37.Bc4 Qa5 38.Nf2 Rb2 39.Ne4 Ne8 40.f5 Qc7 41.f6 g6 42.Qh3 Rc2 43.Qh6 Rc4 44.Ng5 Nf6 45.Rf6 Rc1 46.Kf2 Rc2 47.Kf1 Rc1 48.Ke2 Rc2 49.Kd1 Rf2 50.Qh7 Kf8 1–0. COMP – COMP, 2002.

12.Rb1 b5 13.d3 Rad8 14.a4 ba4 15.Ra1 Rb8 16.Qc1 Rb2! 17.Qb2 Rb8 18.Qa3 Qa3 19.Ra3 Bb4 20.Rea1 Ba3 21.Ra3 a5 22.Ra4 Kf8 23.Ra2 Ke7 24.h3 Be6 25.d4 Ne4 26.Nb5 Bc8 27.c4 dc4 28.Bc4 Ba6 29.Na7 Rb1 30.Kh2 Nb4 31.Ba6 Na2 32.Bd3 Rh1 33.Kh1 Nf2 34.Kg1 Nd3 35.Nc6 Ke6 36.Na5 f6 37.Kf1 Nc3 38.Ne1 Nc1 39.Nb7 Kd5 40.Kf2 Ne4 41.Kf3 h5 42.Nc2 Ng5 43.Kf2 Na2 44.Nc5 Ne4 45.Ne4 Ke4 46.Ke2 Nc3 47.Kd2 Nd5 48.h4 g5 49.g3 Kf3 50.hg5 fg5 51.Ne1 Kg3 52.e4 h4 53.Nd3 Nc3!! 54.Kc3 h3 55.Kc4 h2 56.Nc5 h1Q 57.e5 Kf4 58.e6 c6 59.Kb4 Ke3 60.e7 Qe1 61.Kc4 0–1. COMP – COMP, 2002.

12.Rb1 b5 13.d3 Rad8 14.a4 ba4 15.Ra1 Rb8 16.Qc1 Rb2! 17.Qb2 Rb8 18.Qa3 Qa3 19.Ra3 Bb4 20.Rea1 Ba3 21.Ra3 a5 22.Ra4 Kf8 23.Ra2 Ke7 24.h3 Be6 25.d4 Ne4 26.Nb5 Bc8 27.c4= dc4 28.Bc4 Ba6 29.Na7 Rb1 30.Kh2 Bc4 31.Nc6 Kd6 32.Ra5 f6 33.Na7 Rb2 34.Nh4= Rf2 35.Nf5 Kd7 36.Ng7 Bf1 37.Rd5 Ke7 38.Nc6 Kf7 39.Rd7 Kg6 40.Kg1= Bg2 41.Ne8 Bh3 42.Rg7 Kh6 43.Ne7 Rf3 44.Ng8 Kh5 45.Rh7 Kg4 46.Ngf6 Nf6 47.Nf6 Rf6 48.Rc7 Kf3 49.d5 Rd6 50.Rf7 Ke3 51.Kh2 Bd7 52.Kg3 Rd5 53.Re7 Kd4 54.Re1 Rg5 55.Kf3 Rf5 56.Kg3 Bc6 57.Kg4 Rf7 58.Kg5 Be4 59.Rd1 Ke5 60.Rd8 Rg7 61.Kh6 Rg6 62.Kh5 Kf4 63.Rf8 Bf5 64.Rf7 Rd6 65.Rf8 Re6 66.Rf7-/+ Re8 67.Kh6 Re2 68.Kg7 Kg5 69.Kf8 Be6 70.Re7 Re1 71.Rg7 Kf6 72.Rh7 Ra1 73.Rh6 Ke5 74.Rh5 Kd6 75.Kg7 Ke7 76.Kh6 Kf6 77.Rc5 Ra8 78.Rc7 Ra2 79.Rc5 Ra1 80.Rb5 Ra8 81.Rb7 Ra2 82.Rb5 Rh2 83.Rh5 Rg2 84.Rb5 Rg1 85.Ra5 Rg8 86.Ra7 Bc8 87.Rc7 Bf5 88.Rc6 Be6 89.Rc7 Rg6 90.Kh7 Rg1 91.Kh8 Rd1 92.Rg7 Bf7 93.Rf7 Kf7 94.Kh7 Rh1# 0–1. COMP – COMP, 2002.

12.Rb1 b5 13.d3 Rad8 14.a4 ba4 15.Ra1 Rb8 16.Qc1 Rb2! 17.Qb2 Rb8 18.Qa3 Qa3 19.Ra3 Bb4 20.Rea1 Ba3 21.Ra3 a5 22.Ra4 Kf8 23.h3 Ke7 24.e4 Be6 25.e5 Nd7 26.d4 Rb4 27.Bb5 Ra4 28.Na4 Nb4 29.Ne1 Bf5 30.c3= Na2 31.g4 Be6 32.Nd3 Nb6 33.Ndc5 Na4 34.Na4 Bd7 35.Bd7 Kd7 36.f4 Kc6 37.f5 h6 38.Kf2 Nc1 39.Ke3+/- Nb3 40.Kd3+– Na1 41.Kd2 Kb5 42.Kc1 Nb3 43.Kc2 Nd4 44.cd4 Kc6 45.Kb3 Kd7 46.Nc5 Ke8 47.Ka4 g6 48.fg6 fg6 49.Ka5 h5 50.Ne6 hg4 51.hg4 Kd7 52.Nf8 Kd8 53.Ng6 Kd7 54.Nf8 Ke7 55.Kb5 Kf8 1–0. COMP – COMP, 2002.

12.d3 b5 13.Rb1 h6 14.Nh4 Be6 15.Nf3 Bb6 16.Qd2 Bc5 17.a4 b4 18.Nd1 Bd6 19.Ba1 Rab8 20.Bb2 Rbd8 21.Ba1 a5 22.c3 Rb8 23.Qc2 Rb6 24.cb4 ab4 25.Bb2 Ra8 26.Ba1 Ra5 27.h3 Rc5 28.Qd2=+ Rb8 29.Bb2 Ra5 30.Qc2 Bd7 31.Qb3 Bf5 32.Nh4=+ Be6 33.Nf3 Rb6 34.Nd2 Ne5 35.d4 Ne4?? 36.de5=+ Nd2 37.Qc2 Nb1 38.ed6 Qd6 39.Qb1 Ra4 40.Qc2 Ra2 41.Qb1 Ra8 42.f4 c5 43.f5 Qg3 44.Nf2 Bd7 45.Bf3 Bc6 46.f6 g5 47.Ng4=+ Qh4 48.Ne5 Bb7 49.Nf7-+ Kf7 50.Qh7 Ke6 51.Bg4 Qg4 52.Qe7 Kf5 53.hg4 Kg4 54.Qc5 Raa6 55.f7 Ra8 56.Qb6 b3 57.Qb7 (57…Kh5 58.Qa8 d4 59.ed4 g4 60.Qd5 Kh4 61.f8Q h5 62.Qf6 Kg3 63.Qb3) 1–0. Fritz 6 – Fritz 5.32, 2004.

12.d3 b5 13.Rb1 h6 14.Nh4 Be6=+ 15.Nf3 Bb6 16.Qd2 Bc5=+ 17.a4 b4 18.Nd1 Bd6 19.Kh1 Rad8 20.h3 Rb8 21.Kg1 Rbc8 22.Ba1 a5 23.c3 Rb8 24.Qc2 Rb6 25.Rb3 Rb7 26.Bb2 Rbb8 27.Ba1 d4 28.c4= de3 29.Ne3 Bf4 30.d4= Bd7 31.Bd3 Nd8 32.Rb2 c5 33.Rbb1 Ne6 34.Nd5+= Qd6 35.Nf6 gf6 36.g3 Bc6?? 37.d5+– b3 38.Qd1 Ba4 39.de6 Bg3? 40.ef7 Kf7 41.Re8 Re8 42.fg3 Qg3= 43.Kf1 b2 44.Bg6 Kg6 45.Qd3+/- f5 46.Rb2+– Bc6?? 47.Rb6 Qh3 48.Kf2 Kh5 49.Rc6 Rg8 50.Rc5 Qg3 51.Ke2 Qg2 52.Kd1 Qh1 53.Ne1 1–0. Fritz 6 – Fritz 5.32, 2004.

8.Bf4 c5 9.0-0 Bc7 10.Bg5 b6 11.Nc3 Bb7 12.d4 h6 13.Bh4 Qb8 (13...g5 14.Bg3=) 14.dc5 bc5 15.Rb1 g5 16.Bg3 Bg3 17.fg3 (17.hg3 Nb6=) 17...Nb6 18.Qd2 Ne4 19.Ne4 de4 20.Ne1 Qe5 21.Qa5 Bc6 22.Rd1 f5 23.c3 Rf7 24.Nc2 Ba4 25.Rc1 Rd8 26.Nd4 Qd5 27.c4 Qe5 28.g4 f4 29.Nf5 Kh7 30.ef4 gf4 31.Qe1 Rf6 32.g3 fg3 33.Qg3 Re8 34.Qe3 Bd7 35.Ng3 Qg5 (35...Rd6!?=) 36.Qg5+= (36...Rf1 37.Rf1 hg5 38.Ne4+=) +=. marekt – Morwell, ChessWorld.net, 2003.

9.0-0 Nc5 10.Be5 Ng4 11.Bf4 Ne4 12.h3 Ngf2 13.Rf2 Nf2 14.Kf2 d4 15.Be5 de3 16.de3 Bf5 17.Nc3 Re8 18.Bc4 Qd1 19.Rd1 +=.

9.0-0 Nc5 10.Be5 Ng4 11.Bf4 Ne4 12.h3 Ngf2 13.Rf2 Nf2 14.Kf2 d4 15.Be5 de3 16.de3 Bf5 17.Nbd2 Re8 18.Nc4 Bc5 19.Qd8 Rad8 20.Bc7 Rd7 21.Bg3 Bc2 22.Rc1 Ba4 23.Nce5 +/-.

9.Bb2 Nc5 10.0-0 Na4 11.Be5 Ng4 12.Bf4 Nb2 13.Qc1 Nc4 14.d3 Qf6 15.Nbd2 Nd2 16.Qd2 Bf5 17.h3 +/-.

9.Bb2 c6 10.0-0 Bc7 11.d3 Nb6 12.a4 Re8 13.Nbd2 Ng4 14.c4 dc4 15.dc4 c5 16.Qc2 +=.

8.0-0 c5 9.Bc3 Nc6 10.Ba5 Qa5 11.c3 Bg4 12.d4 c4 13.Nh4 Be2 14.Qe2 Ne4 15.Qb2 Qb6 16.Qb6 ab6 17.Nf5 Ne7 18.Ne7 Re7 19.Ra2 b5 20.f3 Nd6 21.Kf2 f5 22.Nd2 b6 23.Rg1 b4 24.cb4 c3 25.Nb1 Rc7 26.Rc2 Nb5 27.Rgc1 Kf7 28.Ke2 f4 29.a4 Ra4 30.Nc3 Nc3 31.Rc3 Re7 32.e4 de4 33.fe4 Re4 34.Kd3 Re7 35.Kc4 Ra2 36.Rf3 g5 37.g3 Rc7 38.Kb3 Rc1 39.Ka2 Rc2 0–1. phildo (1865) – denjuspat (2000), gameknot.com, 2013.

8.0-0 c5 9.d4 Nc6 10.c4 cd4 11.Bd4 Nd4 (11...Ne4 12.Qc2=) 12.Nd4 dc4 (12...Qd6 13.Nd2=) 13.Bc4 Bg4 (13...a6 14.Qb3 Qc7 15.a4=) 14.Qb3 Qe7 15.Nc3 Bb6 16.Rac1 Rac8 17.h3 Bd7 18.Nd5 Nd5 19.Bd5 Rc1 20.Rc1 Bh3 21.gh3 Bd4 22.Qb7 Qb7 ½–½. Bendig,Frank – de Visser,Arno, corr ICCF TT, 2002.

8.0-0 c5 9.d4 Nc6 10.Nbd2 Bc3 11.Rb1 Ne4 12.Nb3 c4 13.Nc1 f6 14.Bf4 g5 15.Bg3 g4 16.Nh4 Nd2 17.Rb5 Nf1 18.Qf1 Na5?? 19.Na2 +=.

8.0-0 Nc6 9.Bb2 Qe7 10.d3 b5 11.Nbd2 Bb6 12.c4 bc4=+ 13.Bf6 Qf6 14.dc4 d4 15.Nd4 Nd4 16.ed4 Bd4 17.Bf3 Rb8 18.Ne4 Qe5 19.Rb1 ½–½. Rosner,Dirk – Baer,Werner, CiF, 2000.

8.0-0 c5 9.d4 Nc6 10.Bg3 Qe7 11.dc5 =.

8.0-0 Nbd7 9.Bb2 Qe7 10.c4 dc4 11.Bc4 Rad8 12.h3 Bh5 13.Be2 c5 14.d3 Bc7 15.Nbd2 b5 16.Rc1 Rfe8 17.Re1 Qd6 (17...a6 18.Nb3=+) 18.Nf1 (18.Qc2 Rc8=) 18...h6 (18...Bf3 19.Bf3 Ne5 20.Be5 Re5 21.Re2=+) 19.Qb3 a6 20.Red1 Nb6 (better 20...Bg6!?=+) 21.Bf6+= Qf6 (21...gf6 22.Qc2+=) 22.Rc5+/- Bb8?? (better 22...Be5 23.d4 Bf3 24.Bf3 Bd6+/-) 23.Rh5+- 1-0. jhonores (2250) - jamesmihijo (2295), Rated Blitz game, lichess.org, 2020.

7.Bb2 Re8 8.Be2 Bg4 9.0-0 Nc6 10.d4 Na5 11.Nbd2 Rc8 12.Rc1 Qe7 13.Ra1 c5 14.dc5= Bc5 15.Nd4 Be2 16.Qe2 Nc4 17.Nc4= dc4 18.Rfc1 Ne4 19.Nf5?? Qg5-+ 20.Ng7 Nf2?? 21.Ne8=+ Re8 (21...Re8 22.Rf1 Nd3-+) 0–1. Gross,Wilhelm – Merten,Rainer, xv/03, 1987.

7.Bb2 Bg4 8.Be2 c6 9.h3 Bh5 10.c4 Nbd7 11.Qc2 Bg6 12.Qb3 Qc7 13.d4 dc4 14.Bc4 b5 15.Be2 a6 16.Nc3 c5 17.dc5 Nc5 18.Qa2 Nd3 19.Bd3 Bd3 20.Nd5?? (better is 20.Rd1 Bc4 21.Qa1-/+) 20...Nd5-+ 21.Qd5 Bc4 (better is 21...Qc2 22.Nd2 Qb2-+) 22.Qd4 f6 23.Rd1 Rfd8 24.Qg4 Be7 25.Nd4 Qa5 26.Rd2 Ba3 27.Ba3 Qa3 28.Qd1 b4 29.Nc2?? (better is 29.Qc2 Rac8 30.Qb2-+) 29...Qc3 30.Nd4 b3 31.Qb1 a5 32.Qb2 Qb2 33.Rb2 a4 34.g4 a3 35.Rb3 a2 (35...a2 36.Kd2 Bb3-+) 0–1. combijack (1730) – wotwu, gameknot.com, 2009.

7.c4. Adam.

7.Be2 Nc6 8.Bd6 Qd6 9.0-0 Bg4 10.d4 Rad8 11.h3 Bh5 (11...Bf5 12.Qc1=) 12.Nbd2 Ne4 13.Ne4 de4 14.Nd2 Be2 15.Qe2 f5 16.Rfb1 b6 17.Rd1 Rfe8 18.c4 (18.Rab1 Qe6=) 18...Qh6 (18...Rf8 19.Nb3=) 19.c5 (19.Rab1 Rf8=) 19...f4=+ 20.Rac1 Kh8 (20...Re6 21.cb6 ab6 22.Ne4 fe3 23.Qe3 Nd4 24.Qh6 Rh6 25.f3= (worse 25.Rc7 Nf3 26.gf3 Rd1 27.Kh2 Rd3-/+)) 21.Rc3 (21.Nf1 Qg6 22.Qg4 Qg4 23.hg4 fe3 24.fe3 Ne7=) 21...f3 (21...Ne7 22.Kh2=+ (22.Ne4? Nd5 23.Qc2 Nc3 24.Nc3 bc5-+)) 22.Qf1= fg2 23.Qg2 Nd4 24.Re1? (better 24.ed4 Rd4 25.cb6 Rd2 26.Rd2 Qd2 27.Rc7 Qd1 28.Qf1=) 24...Nb5-+ 25.Rc2 Na3 (25...Qc6 26.a4 Na3 27.Ra2-+) 26.Ra2 Qe6 (better 26...b5!?-+) 27.Ra3-/+ Rd2 28.Ra7 Rd7 (28...Qf6 29.Rc7 Rd5 30.h4 Rc5 31.Rb7-/+) 29.cb6 (29.Qg4 Qg4 (29...bc5?? 30.Qe6 Rdd8 31.Qc6+–) 30.hg4 Rd5=+) 29...cb6 30.Ra4 (30.Rd7 Qd7 31.Qg4 Qf7=+) 30...h6 31.Rb1 Rd5 32.h4 b5 33.Rab4 (33.Ra5 Qb6 34.Rba1 Qf6-/+) 33...Qf5 34.Qg3 g5 (34...Re6 35.Kh2 Kh7 36.Qf4-/+) 35.h5 (35.Kf1 Kg8-/+) 35...Ree5 (35...Kg8 36.Ra1-/+) 36.Ra1 Qf3 (better 36...Re7!?-/+) 37.Qf3= ef3 38.Ra7 Rd1 39.Kh2 g4 40.Rg4 Rh5 41.Kg3 Rg1 42.Kf3 Rh3 (42...Rf5 43.Rf4 Rf4 44.Kf4=) 43.Kf4 Rgh1 (43...Rc1 44.Rgg7 Rc4 45.Ke5+=) 44.Rg6 Rh4 45.Kf5 Rc1 (45...R1h3 46.Rd6 Rf3 47.Ke5+=) 46.Ra8 (46.f4!?+–) 46...Kh7+= 47.Ra7 Kh8 48.f4 Rc5 (48...Rh5 49.Kg4 Rhh1 50.Rb6+–) 49.Kf6 Rc6 (49...Rc8 50.Rb7 b4+–) 50.Kf7 Rc8 (50...Rg6 51.Kg6 Rg4 52.Kh6 Kg8+–) 51.Rb7+– Rh3?? (better 51...Kh7+–) 52.e4 1–0. Baudon,Sebastien (2015) – Timirev,Sergey (1770), 5th Korchnoy Memorial, 2017.

8.d4 c4 9.Nc3 Bc7 10.Be2 Nc6 11.0-0 a6 12.Na4 Qe7 13.g3 Re8 14.Re1 b5 15.Nc5 Ba5 16.c3 Rb8 17.Qc1 Bb6 18.a4 Bc5 19.dc5 ba4 20.Ra4 Ne4 21.Nd2 a5 22.Ra2 (22.Ne4 Qe4 23.f3 Qe7-/+) 22...Bh3 (22...Qc5?! 23.Ba3 Qa7 24.Ne4 de4 25.Rd1=; 22...Nc5?! 23.Ba3-/+) 23.Ne4 de4 24.Qc2 (24.Bc4 Ne5 25.Be2 Qf6-+ (25...Qc5?! 26.c4=)) 24...Qf6-/+ 25.Rd1 (25.Bc4?? Ne5 26.Rb1 Nc4-+) 25...Ne5 26.Qe4 Nd3 27.Bd3 cd3 (27...Re4?! 28.Be4 Qe5 29.Rd4=) 28.Qf4 (28.Qd3?? Rbd8 29.Qe2 Qc6-+) 28...Qf4 29.gf4 (29.ef4?? d2! 30.Raa1 Rb2-+) 29...Be6 30.Ra5 Rb2 31.Rd3 Bf5 32.Rd4 Rc2 33.h4 (33.c4!?-/+) 33...Rc3-+ 34.Kh2 (34.h5 Rc8-+) 34...h5 35.Rd5 g6 36.Kg3 Rb8 (36...Rc8 37.Re5-+) 37.Rd6 (37.Ra7 Rc8-+) 37...Rb1 38.c6 (38.Rd5-+) 38…Be4 0–1. marekt (2120) – wilfried (2335), gameknot.com, 2015.

8.Bf6 Qf6 9.Nc3 Be6+=.

9.0-0 Re8 10.a4 b6 (10...Be6 11.Na3 a6 12.c4 Qe7 13.Rb1 Rab8 14.Qb3=+; 10...Bf5 11.Na3 a6 12.d3 Qe7 13.Re1 Be6 14.c4=+; 10...a6 11.d4 c4 12.Ba3 b6 13.Bd6 Qd6 14.Nbd2=+; 10...Qe7 11.Na3 a6 12.c4 Be6 13.Rb1 Rab8 14.Qb3=+; 10...Bd7 11.Na3 a6 12.c4 Be6 13.d4 cd4 14.Nd4=+) 11.Bb5 Bd7 12.d4 a6 13.dc5 bc5 14.Be2=+.

9.0-0 Re8 10.Nc3 a6 11.Re1 b5 12.Qb1 Rb8 13.Qa2 Bf5 14.Rac1-/+.

9.0-0 Re8 10.c4 Bg4 11.h3 Bh5 12.cd5 Nd5 13.Nc3 Bc7 (13...Nc3 14.Bc3 Qe7 15.Qb3=+) 14.Qb3= Nb6 15.a4 (15.Nb5 Bb8 16.d3=) 15...Qd6 (better 15...Bf3 16.Bf3 Qd6=) 16.Nb5+/- Qd7 17.Nc7 Qc7 18.a5 (18.Qc3 Ne5 19.g4 Nd5+-) 18...Nd7+= 19.Ng5 Bg6 20.f4 h6? (better 20...Nf6+=) 21.f5+- Bh7 (21...Bh5 22.Bh5 Nde5+-) 22.Qf7 Kh8 23.Qg7 (23.Bg7?!=) 1-0. Mirza,Diana (1930) - Buker,M (1995). Titled Tuesday 2nd Feb (11), 2021.

9.0-0 Re8 10.Re1 Bf5 (10...a6 11.a4 Be6 12.Na3 Qe7 13.Qb1 Ne4 14.d3=+) 11.c4 d4 12.Nh4 Be6 13.Nf3 Qb6 14.Ra2=+.

9.0-0 Re8 10.h3 Bc7 11.d3 Bf5 12.Nbd2 Bg6 (12...d4 13.ed4 cd4 14.Nb3=+) 13.c4 dc4 14.dc4 Qe7 15.Qb3 b6 16.Rfd1 Rad8 17.Nf1 (17.Nh4 Be5=) 17...Ne4=+ 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 Qd6 21.Qd6 Nd6 22.Ne5 Ne5 23.Be5 f6 24.Bf4 Bf7 Attacks the isolani on c4 25.Nd2 Kf8 26.Bd3 g6 27.Ne4 (27.Kf1 h5=) 27...Ke7 (27...Ne4 28.Bc7 Nd2 29.Bb8 Bc4 30.Bc2-/+) 28.Nc3 Kd7 29.Bd6 Bd6 30.Nb5 Bb8 31.f4 a6 32.Nc3 Bd6 33.Kf2 Kc6 34.Be4 Kd7 35.Bd5 Be8 (35...Ke7!?=) 36.Bb7+– a5 37.Nd5 f5 38.Nf6 (worse 38.Nb6 Kc7 39.Nc8 Bf8-+) 38...Ke7 39.Nh7 (39.Ne8!? Ke8 40.g4+=) 39...b5= 40.cb5 Bb5 41.g4 c4 42.a4?? (42.gf5 gf5 43.Bc8-/+) 42...Ba4 (42...c3!? 43.gf5 gf5 44.ab5-+) 43.Ba6? (43.gf5 gf5 44.Bc8 c3 45.Bf5 c2 46.Bc2 Bc2-+) 43...Bb3 (better 43...c3 44.Bd3 c2 45.Bc2 Bc2 46.Ke2-+) 44.Ke2? (44.gf5 gf5 45.Bc8-+) 44...a4 45.Kd2 (45.gf5 gf5 46.Bc4 Bc4 47.Kd2 Bb4 48.Kc1-+) 45...a3 46.Kc1 (46.Bc4 a2 47.Bb3-+) 46...a2 47.Kb2 Ba3!! 48.Ka1 (48.Ka3 a1Q Double attack) 48...c3 49.Bd3 (49.gf5 Bb2) 49…Bb2 0–1. Khukhashvili,Sopiko (2310) – Berend,Elvira (2300), World Blitz Women, 2017.

9.Nc3 a6 10.0-0 b5 11.Re1 Re8 12.Qb1 Bf5 13.d3 Ra7 14.Nd1 -/+.

9.c4 dc4 10.Bc4 Na5 11.Ba2 Bg4 12.d3 Nc6 13.Qc2 Bf3 14.gf3 =+.

9.c4 Be6 10.cd5 Nd5 11.0-0 Re8 12.Nc3 Nc3 13.Bc3 Bd5 14.Qc2 =+.

9.c4 Bg4 10.cd5 Nd5 11.h3 (11.Nc3 Nc3 12.Bc3 Re8=+ 13.Qc2 Qe7 14.Qb2=+; 11.Qb3 Nb6 12.Qc3 f6 13.Qb3 Kh8 14.d3=+) 11...Bf3 (11...Be6 12.0-0=+ Re8 13.Qc2 Qd7 14.Nc3=+) 12.Bf3 Nde7 (12...Be5 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3=) 13.Be4 (13.0-0 Qd7= 14.Bg4=) 13...Qc7 (13...Qb6 14.Qc2 f5 15.Bd3=) 14.Nc3= a6 15.Qh5 f5 16.Bc2 (16.Nd5 Qd8 17.Ne7 Ne7=) 16...Qc8 (16...c4 17.d4=) 17.Na4 (better is 17.Bb3 Kh8 18.0-0=) 17...b6 (better is 17...Qe6=) 18.Qg5 Be5? (better is 18...Ng6 19.Nb6 Qb7+/-) 19.Be5+– Ne5 20.Nb6 Qb7 21.Na8 N7g6 22.Rb1 Qa8 23.Bf5 Qd5 24.e4 Qd3? 25.Ra1 Qc4 26.Be6?? Qe6-/+ 27.0-0 Nf4 28.Rfe1?? Nh3!-+ (28...Nh3 29.gh3 Nf3 30.Kg2 Ng5-+) 0–1. Recio,Luis – Wurm,Tamas, TE.2004.P.01714, 2004.

9.Bf6 gf6 10.Nc3 =.

9.Bf6 Qf6 10.Nc3 d4 (10...Be6 11.Rb1=+) 11.Ne4= Qg6 12.Nd6 Qd6 13.0-0 b6 14.Bd3 Ne5 15.Be4 Bg4 16.h3 (16.Ba8 Ra8 17.Re1-/+) 16...Bf3=+ 17.Bf3 Rad8 18.d3 f5 19.a4 g5 (19...de3!? 20.fe3 f4 21.ef4 Qd4 22.Kh1 Rf4=+) 20.a5= Qg6 21.Bh5 Qh6 22.f4 (22.ab6 Qb6 23.ed4 cd4+=) 22...gf4= 23.ef4 Nc6 24.ab6 ab6 25.Qf3 Nb4 26.Rf2 Nd5 27.Qg3 Kh8 28.Qg5 Qd6 29.Ra7 Rd7 30.Rd7 Qd7 31.Re2 Ne3 32.Qh6 Qd8 33.Bg6 (33.c4!?=) 33...Qe7=+ 34.Bh5 Ra8 35.g3 (35.Bf3!? Ra1 36.Kf2=+) 35...Ra1 36.Kh2 Qg7 37.Qg7 Kg7 38.g4 Ra2 39.Be8? (39.gf5 Rc2 (39...Nc2?! 40.Kg3=) 40.Rc2 Nc2-+) 39...Rc2 (better is 39...fg4!? 40.hg4 Ng4 41.Kg3 Ne3-+) 40.Rc2 Nc2 41.Kg3 Nb4 42.Bb5 Nd5 43.g5 Nc7 44.Bd7 b5 45.h4 b4 46.Ba4 Ne6 47.Bb3 Nf8 (better is 47...Kf7!?-/+) 48.h5=+ Nd7 49.Kf3 h6-/+ 50.Ba4 Nf8 51.Bb3 Nh7-+ 52.Bc4 hg5 53.fg5 Ng5 54.Kf4 Kf6 55.h6 Nf7 (55...Nf7 56.h7 Nh8-+) 0–1. Husslein – Gedigk, corr SOK–88–18, 1989.

8.d4 Bg4 9.c4 c5 10.dc5 Qc5 11.cd5 (11.Qd4 Qc7=) 11...Rd8+= 12.Nbd2 Nd5 13.Qc1 (13.Be2 Qa5+=) 13...Qa5 14.Nd4 (14.Rb1 Rc8 15.Qb2 Bf3 16.gf3 Nc6+=) 14...Nc6 15.N4b3 Qc7 16.Bb5 Ne3 (16...Qe5 17.Bc6 bc6 18.Qc5+= (18.Qc6?? Rac8 19.Qc8 Rc8-+)) 17.fe3= Qe5 18.0-0? (better is 18.h3!? Bh5 19.g4 Qe3 20.Kf1+=) 18...Qb5-+ 19.Rb1 Qd3 20.Nf3 Rac8 21.Qe1 (21.Ne1 Qd5-+) 21...Bf3 (21...Re8 22.Nfd4-+) 22.Rf3 Ne5 23.Rg3 g6 (23...Qe4 24.Rd1-+) 24.a4 Rc4 0–1. Mantu,Eugen (2440) – Alf,Henning (2410), RSXE – Ostern, 2007.

8.d4 Bg4 9.Bd3 Nbd7 10.0-0 c5 11.h3 Bf3 12.Qf3 cd4 13.ed4 Rfe8 =.

8.d4 Bg4 9.Bd3 Nbd7 10.h3 Bh5 11.Nbd2 c5 12.dc5 Nc5 13.0-0 Rfe8 14.Bb5 Re7 15.Re1 Nce4 16.Ne4 Ne4 17.Be2 Nc3 18.Qd2 Ne2 19.Qe2 Rc8 20.Red1 Rec7 21.Ra2 b6 22.Rd2 Rc3 23.Rd3 Rd3 24.Qd3 Bf3 25.gf3 Qe6 26.Kg2 d4 27.Ra1 de3 28.fe3 b5 29.Rd1 h6 30.Rd2 a6 31.e4 Qe5 32.Qd5 Qf4 33.Qd4 Rc6 34.e5 Rg6 35.Kf2 Qh2 36.Ke3 Qh3 37.c4 Qg3 38.cb5 ab5 39.Ke2 Rg5 40.Qe4 Qh2 41.Ke3 Qg1-+ 42.Kd3 Qb1 43.Rc2 Rg2 44.Kc3 Rc2 45.Qc2 Qc2 46.Kc2 g5 47.Kd3 h5 48.Kd4 Kg7 49.Ke3 h4 50.f4 h3 51.Kf2 gf4 52.Kf3 Kh7 53.Kf2 Kg6 (53...Kg6 54.Kg1 f3-+) 0–1. Pierred (2175) – Delaiha (2650), Rated game, 1m + 0s, 2005.

7.c3 Ba5 8.Qb3 c4 9.Qc2 Nc6 10.e4? (better is 10.Be2+=) 10…Ne4 0–1. Petukhov,Nikolay (1885) – Chasovnikova,Eugenia (2180), Moscow op–B, 2008.

7.c4 d4 8.ed4 cd4 9.Bd4 Nc6 10.Be3 Ng4 (10...Ne4 11.a3 Ba5 12.Be2+=) 11.a3 Ba5 12.Be2 Ne3 (12...Qf6 13.Ra2+=) 13.fe3 f5 14.g3 g5 Black intends f4 15.Qc2? (better is 15.Nc3!?=) 15...g4-/+ 16.Nh4 (16.Nc3 gf3 17.Bf3 Be6-+) 16...f4-+ 17.Bd3 (17.ef4? Nd4 18.Qd3 Re8-+) 17...fe3 (17...Rf7 A) 18.ef4 Nd4 19.Qb2 Nf3 20.Nf3 Qd3-+ (20...gf3?! 21.Qb3-+); B) 18.Be4 Qf6 19.Bd5 fe3 20.Bf7 Qf7 21.Qe4-+) 18.Bh7-/+ Kg7 19.Qg6 Kh8 20.Bg8?? (20.Qh5!? Bd2 21.Kd1-/+) 20...Bd2 (better is 20...ed2 21.Kd1 Qe7 22.Nd2 Rg8-+) 21.Kd1 e2 22.Kc2 Rg8 23.Qh5 Kg7 24.Nd2 Nd4 (better is 24...Be6!? 25.Rhe1 Qe8-/+) 25.Kc3= Be6 (better is 25...Qf6 26.Ne4 Nb5 27.Kb3 Nd4 28.Kc3 Nb5 29.Kb3 Qe6 30.Qg5 Kh8 31.Qh5 Kg7 32.Qg5 Kh8 33.Qh5 Kg7=) 26.Qe5+– Qf6 27.Qf6 Kf6 28.Kd4 Rad8 29.Ke3 Rge8+/- 30.Ne4 Kg7 31.Rac1 Bd7+= 32.Kf4 Rf8 33.Kg5? Rde8-/+ 34.Ng6?? Rf5 35.Kg4 Re4 36.Nf4 Rff4 0–1. Jaracz,Pawel (2500) – Korobov,A (2690), European Blitz, 2014.

7.c4 Bg4 8.Be2 Ne4 9.0-0 Bf3 10.Bf3+/- Nd2?? 11.Nd2+– dc4 12.Nc4 Qg5 13.Bb7 Nc6 14.Ba8 Ra8 15.h3 h5 16.f4 Qg3 17.Qh5 Re8 18.Nd6 Qe3 19.Kh1 Re6 20.Qf7 Kh7 21.Qg7# 1–0. HeresJhonny – spazzo22, Caissa.com, 2004.

7.Be2 Nc6 8.0-0 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2).

7.Be2 Re8 8.0-0 Nc6 9.d3 (---> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

8.c4 d4 9.ed4 cd4 10.Nd4 Bb6 11.Nb3 Bg4 12.Bf6?? (12.Be2 Be2 13.Qe2-/+) 12...Bf2!-+ 13.Kf2 Qf6 (13...Bd1?? 14.Bd8 Bb3 15.Bg5+-) 14.Ke1 (14.Qf3 Bf3 15.gf3 Qb6 16.Kg2 Qb3-+) 14...Re8 (better 14...Bd1 15.Kd1 Qb2 16.Nc3 Qb3 17.Ke1 Re8 18.Be2 Qc4 19.Rb1-+) 15.Be2 Be2 16.Qe2 Nc6 (better 16...Qh4 17.Kd1 Re2 18.Ke2 Qc4 19.Kf3-+) 17.Nc3 Re2 18.Ke2 Re8 19.Kd1 Qg6 20.g3 (20.c5 Qg2 21.Kc2 Qg6 22.Kd1 Qg4 23.Kc2 Qf5 24.Kc1 Ne5-+) 20...Qd3 (better 20...Qg4 21.Kc2 Qc4 22.Rhe1-+) 21.Nc5 (21.Rb1-+) 21...Qc4 22.Nb7 (22.N5a4 Qb3 23.Kc1 Nd4-+) 22...Qb3 23.Kc1 Nd4 24.Ra2 Qb7 (better 24...Ne2 25.Ne2 Qa2-+) 25.Rb2 (25.Rd1-+) 25...Qh1 26.Nd1 Rc8 27.Kb1 Qd1 28.Ka2 Rc2 29.Rc2 (29.d3 Rb2 30.Kb2 Qc2 31.Ka1 Nb3) 29...Qc2 30.Ka1 Nb3 0-1. Muh_Lukman (1835) - FeegLood (2695), lichess.org, 2017.

8.c4 d4 9.ed4= Bg4 10.dc5 (10.Be2 Bf3 11.Bf3 Re8 12.Kf1 cd4=+) 10...Re8=+ 11.Be2 Nh5 12.0-0 Nf4 13.Re1 (13.Qb3 Ne2 (13...Re2?! 14.Nd4-/+) 14.Kh1 Nc6-+) 13...Re2 14.Re2 (14.Be5 Ng2 15.Kg2 Bf3 16.Kf3 Qd3 17.Kg2 Qe4 18.Kf1-+) 14...Bf3 15.gf3 (15.Re8 Qe8 16.gf3-+) 15…Qg5 (15...Qg5 16.Kf1 Qg2 17.Ke1 Nd3) 0-1. marinscrofan (1785) - maanteerattur (2640), gameknot.com, 2020.

8.c4 Be6 9.Qc2=+.

8.Be2 Nc6 9.0-0 Bc7 10.c4 Be6 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 b6 14.Rd1 Rc8 15.Qh4 h6 (15...Nd7 16.Qh5=) 16.d4 (16.Bf6!? Qf6 17.Qf6 gf6 18.d4+=) 16...cd4= 17.Nd4 Na5 18.Nd2 Bb8? (better is 18...Be5+=) 19.Nf5+– Kh7?? (19...Nd5 20.Qd4 Nf6 21.Qd8 Rcd8 22.Bf6 gf6 23.Nh6 Kh7 24.Nf5+–) 20.Nh6! gh6? (20...Ne8!? 21.Qd8 Rd8+/-) 21.Bf6 (21.Ne4 Ne4 22.Rd8 Rfd8 23.Qe4 Kg8 24.Qg4 Kf8+–) 21...Qd7 22.Qe4 (22.Ne4!? Qf5+–) 22...Kg8 23.Nf3 Rc4 (23...Qe6 24.Qh4 Rc6 25.Bb2+/-) 24.Nd4 Nb3?? (better is 24...Nc6+–) 25.Qh4 (25.Nb3?! Qd1 (25...Re4?? 26.Rd7 Re6 27.Bb2+–) 26.Rd1 Re4+=) 25...Kh7 26.Nb3 Qe6 (26...Qd1 27.Rd1 Rh4 28.Bh4+–) 27.Nd4 Qc8 28.Bg5 Rh8 29.Bh6 Qe8 (29...Rc5 30.e4 Kg6+–) 30.Bf4 Kg8 31.Qg5 Kf8 32.Bb8 (32.Nf5 Rh7 33.Rd8 Re4 34.Bb8 f6 35.Qf6 Kg8 36.Qg6 Kh8 37.Re8 Re8 38.Qe8) 32...Qb8 33.g3 (better is 33.Nf5 Qh2 34.Kf1 Qh1 35.Ke2 Rc2 36.Kd3+–) 33...Rc5 (33...Rg8 34.Ne6! fe6 35.Qf6 Ke8 36.Qe6 Kf8+–) 34.Qf6 1–0. latmartinsh (1835) – tflk (1765), gameknot.com, 2013.

7.Qa4 Bb6 8.Qh4 Nbd7 9.Bf4 c5 (9...Nc5 10.Na3-/+) 10.Bb5 (10.Na3 c4=+) 10...Ne4 (10...c4!? 11.d4 Ba5 12.Bd7 Qd7-/+) 11.Qd8 Rd8 12.d3 Nef6 13.Nbd2 Ba5 14.Rc1 a6 15.Bd7 Nd7 (15...Bd7 16.Bg5=+) 16.Nb3= Bb6 17.Nfd2 (17.0-0 Nf8=) 17...f6 (17...a5 18.a4=+) 18.c4 Ne5 (18...Nf8!?=+) 19.Be5+= fe5 20.cd5 Rd5 21.Ke2 Be6 22.Ne4 c5 seems the pivot of the position (22.Nc4 Ba7 23.e4 Rdd8+=) 22...Rc8 23.Rc3 Ba7 24.Rhc1 b6 25.d4 (25.a4 a5+=) 25...ed4= 26.ed4 Bf5 27.f3 Re8 28.dc5 bc5 29.Nbc5 Bc5 30.Rc5 Be4 31.fe4 Re4 32.Kf3 Rc5 33.Rc5 Ra4 34.Rc2 Kf7 ½–½. Navratil,Josef (2050) – Michalcak,Lubomir (2085), CZE–ChT2E, 2011.

7.Qb3 Nbd7 8.Bg3 Nc5 9.Qc2 Bf5?? (better is 9...Nfe4-+) 10.Qf5+– 1–0. Haertig,Manfred – Buchholz,Dieter, ESC, 2000.

7.Qc2 Nc6 8.Bd3-/+ (8.d4 Ne4 9.Bd3 f6 10.Bf4 Be6 11.0-0 g5) 8...Ne5 9.Ne5 c5 10.Na3 Qe7 11.Nf3 c4.

7.Qc2 Nbd7 8.Bf4 (8.d4 c5 9.Nbd2 Ne4 10.Ne4 de4 11.Nd2 Ne5) 8...Re8 (8...Nh5 9.Bg3-/+ Nc5 10.Na3 g6 11.Bh4 Qd7) 9.d4 (9.Be2 Ne4 10.0-0 g5 11.Bg3 Ndc5) 9...c5 (9...Nh5 10.Bg3=+ g6 11.Nbd2 c5; 9...Nf8 10.Nbd2 Ng6 11.Bg3 Bg4) 10.Nbd2=+ Ne4 (10...Nh5 11.Bg3 g6) 11.Ne4 de4 (worse 11...Re4 12.Bd3 cd4 13.Nd4+= (worse 13.Be4 Bc3 14.Nd2 de4-/+)) 12.Nd2 cd4 13.cd4 Nf6 14.Bc4 (14.Rb1 Nd5 15.Bg3 Nb4-/+) 14...Be6-/+ 15.Be6 Re6 16.0-0 Rc8 17.Qd1 Nd5 18.Nb3 Bc3 19.Rc1 Nf4 20.ef4 e3 21.fe3 (21.Qe2 ef2 22.Qf2 a5-/+) 21...Re3 22.Qh5 (22.Qg4 Rc4-/+) 22...Qd7 23.Rfd1 a5 (23...g6 24.Qg5-/+) 24.Kh1 (24.f5 Qd5 25.Qg4 f6-+) 24...Rce8 (24...b6 25.d5-+) 25.h3 (25.Na5 Qa4 26.Nb7 Bb2-+) 25...g6-+ 26.Nc5 (26.Qh4 Qd5-+) 26...Qc6 (26...gh5?! 27.Nd7 Rd8 28.Nb6=+) 27.Qh4 (27.Qg4 f5 28.Qh4 Re2-+) 27...Re2 28.Qg4 Bb2 29.d5 (29.Rb1 b6 30.Nd3 f5-+) 29...Qb5 (29...Qd6 30.Nb7 Qb4 31.Rc8 Qb7 32.Qe2 Rc8 33.d6-+) 30.a4 Qb6 31.Rc4 Ba3 32.Ne6 Qf2 33.Qf3?? (33.Nd4 h5 34.Qe2 Re2 35.Ne2 Qe2 36.Rcd4-+) 33...Qf3-+ (worse 33...fe6 34.Qf2 Rf2 35.Re1-+) 34.gf3 fe6 0–1. Benussi,Alberto – Benassi,Aspasio, corr TKM/SF/01, 2001.

7.Bd3 Ne4 (7...Nc6 8.Bf4 Ne4 9.Qc2 Qe7 10.0-0 Bf5 11.a4 a6) 8.c4 Nc6 9.cd5 Qd5 10.Be4 Qe4 11.Nc3 Qg6.

7.d4 Nbd7 8.Bd3 Ne5 9.Ne5 c5 10.0-0 Re8 11.a4 c4 12.Be2 Ne4 13.Ra3 Bc7 14.Nf3 Qd6 15.h3 Ng5!-+ 16.g3 Ne4 17.Kg2 Bh3! 18.Kh3 Nf2!? (18...Nf2 19.Rf2 Qg3) 0–1. AaronB – Gordon, internet, 2005.

7.d4 Ne4 8.Qc2 =.

7.d4 Bg4 8.Be2 (8.Qb3 Nbd7=) 8...Ne4 9.Qb3 b6 10.0-0 Nc6 11.Bg3 Ne7 12.c4 c6 13.Rc1 Rc8 14.Rc2 dc4 15.Bc4 (15.Rc4? Ng3 16.hg3 Be6-+) 15...b5 16.Bd3 Be6 17.Qb2 Bd5 (17...Ng3 18.hg3 Nd5 19.Rc5=) 18.Nbd2 Ng3 19.hg3 Bf3 20.gf3 (20.Nf3 Nd5+=) 20...Nd5 21.a3 a6 22.Ne4 Bb6 23.Rac1 Qd7 24.Kg2 f5 25.Nc5 Bc5 26.Rc5 (worse is 26.dc5 Ne3 27.fe3 Qd3-/+) 26...Rf6 27.Qb3 Rh6?? (27...Re8 28.Qc2 Ne7 29.f4+=) 28.f4 (28.Qd5! cd5 29.Rc8 Kf7+–) 28...Kf8?? (28...Re8 29.Qc2 Re3 30.Bf5+/-) 29.Be2 (better is 29.Qd5! cd5 30.Rc8 Ke7 31.R1c7+–) 29...Rd6+= 30.Bf3 Ne7 31.a4 Ke8 32.ab5 ab5 33.d5 cd5+= 34.Rc8 Nc8 35.Bd5 Ne7 36.Bf7 Kf8 37.Bh5 Nd5 38.Rc5+/- Nc7 39.Qc2+– Nd5 40.Rc8 Ke7 41.Re8 Qe8 42.Be8 Ke8 43.Qf5 Nf6 44.Qb5 Kf7 45.e4! Rd2 46.Kf3 h5 47.Qb3 Kg6 48.f5 Kh7 49.Ke3 Rf2 50.Kf2 Ne4 51.Kg2 Nf6 52.Qf7 Kh8 53.Kf3 Kh7 54.Kf4 Kh8 55.Kg5 Kh7 56.Qf6! (56.Qf6 gf6 57.Kf6+–) 1–0. carlog (1805) – elmis (1725), gameknot.com, 2010.

7.Be2 Nc6 8.Bf6 (8.Bg3 Ne4 9.Na3 Qe7 10.Nb5 a6 11.Nbd4 Nd4) 8...Qf6 9.Qb3 Bf5 10.0-0 Bb6 11.Na3 Rad8.

7.Be2 Nbd7 8.0-0 (8.Bg3 Nc5 9.Na3 Bf5 10.0-0 Nfe4 11.Nb5 Re8) 8...Ne5 9.Ne5 Ne4 10.f3 Nc5 11.Nd3 Bb6.

7.Be2 Ne4-/+ 8.Na3 (8.Bg3 c5 9.0-0 Nc6 10.Na3 Bg4 11.Rb1 Qe7) 8...Nc6 9.Bg3 a6 10.0-0 h6 11.Nc2 Bd7.

7.Bf6 Qf6 8.Be2 (8.Qb3 Rd8 9.Bd3 Na6 10.Qc2 g6 11.0-0 Nc5; 8.Bd3 Na6 9.Qc2 g6 10.0-0 Nc5 11.Na3 Bd7) 8...Nd7 9.0-0 Nc5 10.Na3 Ne4 11.Bd3 Bb6.

8.Bf4 Ne4 9.Bb5= Bb6 10.0-0 Qf6 11.d4 Ne7 12.Be5 Qh6 13.Bd7 Ng6 14.Bc8 Rac8 15.c4 dc4 16.Qc4 Ne5 17.Ne5= c6 18.Qd3 Nd6 19.Nd2 Qe6 20.Qb3 Qe7 21.Rab1 Rb8 22.Qa3 Qe6 23.Rfc1 Bc7 24.Ndf3 a6 25.Qd3 f6= 26.d5 cd5 27.Rc7 fe5 28.Ng5 Qf5 29.Qd5 Kh8 30.Rb2 Qg5= 31.Qd6 Rbd8 32.Rd7 +=. Vidonyak,Nellya (2255) – Gustavsson,Cyrill (2210), Oberliga Ost–B, 1999.

8.Bf6 gf6 9.Bd3 Qd7 10.Qh4 +=.

8.Bf6 Qf6 9.Bb5 Bb6 10.d4 Ne7 (10...Qg6 11.0-0+=) 11.0-0 Rd8 (11...Bf5 12.Nbd2+=) 12.Nbd2= Bf5 13.Rfe1 c6 14.Bf1 c5 15.e4 Be4 16.Ne4 de4 17.Re4 cd4 18.cd4 (18.Rae1 Nc6 19.cd4 g6= (19...Bd4?? 20.Nd4 g6 21.Nc6 bc6 22.g3+–)) 18...g6 19.Bc4 Kg7 (19...Bd4? 20.Rd4 Rd4 21.Nd4+–) 20.Bb3 Nf5 Increasing the pressure on the isolated pawn on d4 21.Rd1 h5 22.Bc2 a6 23.Rf4 (23.d5 Bc5=) 23...Bc7+= 24.Re4 Rac8 25.Re2 b5 26.Qb4 Nh4 27.Nh4 Qh4 28.g3 Qf6 29.a4 Re8 30.Bd3 h4 (30...Re2 31.Be2 Bb6 32.ab5 ab5 33.Bb5+=) 31.Re8 (31.ab5 Bb6 32.Qd2 ab5 33.Bb5 Re2 34.Be2 Rd8=) 31...Re8+= 32.Bf1 (32.ab5? hg3 33.fg3 Bg3-+) 32...Bd6 33.Qb3 b4 34.a5 Rh8 35.Rd3 Rh5 36.Rf3 Rf5 37.Rf5 Qf5 38.Qa2 Bc7 39.Ba6 Ba5 40.Bf1 (worse is 40.gh4 Qg4 41.Kf1 Qd1 42.Kg2 b3-+) 40...Bd8 (40...Bb6 41.Qc4+=) 41.Qb2 Qa5 42.Bc4 (42.d5 Bf6 43.Qb3 Qb6=) 42...h3 43.Kf1 Qb6 44.Ke2 Qb7 45.d5 Bf6 46.Qb1 Qe7 47.Kf3 Bd4 48.Kg4 Qe8 49.Qd3 (49.Qb4?? Qd7 50.Kf3 Qf5 51.Ke2 Qc2 (51...Bf2?! 52.Qc3 Kh7 53.g4=) 52.Qd2 Qc4 53.Kd1 Qd5-+) 49...Bf2 50.Kh3 Bg1 ½–½. Buczinski,Henryk (2035) – Kolanek,Roman (1970), SA–2012–0-00314, 2012.

8.Bd3 Ne5 9.Ne5 c5 10.0-0 Bc7 11.f4 Be5 (11...Qe7!?=+) 12.fe5= Ng4 13.Rf3 Qh4 (13...Nh6!? 14.h3 f6=) 14.h3+/- Nh6 15.Rf4 (15.Nd2 Rd8+/-) 15...Qe7 (15...Qg3 16.Qd2+=) 16.Qh5 (16.Nd2 Be6+=) 16...f6 17.Nd2 Be6 18.Nf3 (18.ef6 Rf6 19.Rf6 Qf6+/-) 18...Bf7 19.Qh4 Bg6 20.Be2 (20.Bg6!? hg6 21.ef6 Rf6 22.Rf6 Qf6 23.Rb1 cd4 24.Qd4 Qd4 25.cd4+=) 20...Rae8 (20...Rac8 21.Bd1=+) 21.Bb5= Rc8 Black prepares the advance c4 22.Re1 a6 23.Ba4 b5 24.Bb3 (24.Bd1 Rf7=) 24...c4 25.Bd1 Rc6 26.ef6 Rcf6 27.Ne5 Be4 28.Ref1?? (28.Bf3 Nf5 29.Qh5 Bf3 30.Qf3 Qd6=) 28...Qd8?? (better 28...Rf4 29.Rf4 Qh4 30.Rh4 Nf5-+) 29.Rf6= Rf6 30.Rf6 Qf6 31.Qf6 gf6 32.Nd7 Kf7 33.Bf3 Bf3 34.gf3 Ke7 35.Nc5 a5 36.a3 Kd6 37.e4 Kc6 38.Kf2 Nf7 39.Ke3 Nd6 40.Ne6 b4 41.cb4 ab4 42.ab4 Kb5?? (better 42...de4 43.fe4 Kb5=) 43.Nc7+- Kb4 44.Nd5 (44.e5!? Nf5 45.Kf4 Nd4 46.ef6 c3 47.Nd5 Kc5 48.Nc3 Kd6+-) 44...Kb3+/- 45.Kd2 (better 45.e5!? fe5 46.de5+-) 45...Nb5 46.e5 (46.Nf6?? A) 46...Nd4?! 47.Nd5= (47.Nh7?? c3 48.Kc1 c2-+); B) 46...c3 47.Kc1 Nd4-+) 46...Nd4 47.ef6 Nf3 48.Ke3 Ng5 (48...Ne5 49.Kd4 Nc6 50.Ke4=) 49.Kf4 (49.h4 Nf7+=) 49...Nf7= (49...Nh3?? 50.Kg4 c3 51.Nc3 (51.Kh3?! c2 52.f7 c1Q=) 51...Nf2 52.Kf5 Kc3 53.f7+-) 50.Kf5 c3 51.Nc3 Kc3 52.h4 Kd4 53.Ke6 Nh6 54.f7 Nf7 55.Kf7 h5 56.Kg6 Ke5 57.Kh5 Kf5 58.Kh6 Kf6 59.Kh7 Kf7 60.h5 Kf6 61.h6 Kf7 ½-½. Martin Fernandez,A (1685) - Prueske,W (2000), Lanzarote Open, 2018.

8.Bf6 Qf6 9.Bd3 Bg4 10.0-0 Ne7 11.Be2 c6 12.Qc2 Bf5 13.Bd3= Bd3 14.Qd3 Qf5 15.Qf5 Nf5 16.Rc1 Nd6 17.Nbd2 f6 18.Kf1 Kf7 19.c4 dc4 20.Nc4+= Nc4 21.Rc4 Rfd8 22.Rb1 Rd7 23.h4 Re8 24.Ke2 Bb6 25.a4 Ree7 26.Kd3 Rd5 27.Nd2 Rf5 28.f3 Rd5 29.Nb3 f5 30.e4 fe4 31.fe4 Rd6 32.a5 Bd8 33.Rc2 Ke8 34.h5 Red7 35.a6 b6 36.e5 Rh6 37.Ke4 Rh5 38.Rc6 Rh4 39.Kf3 Rf7 40.Ke3 Rg4 41.Rb2 Rd7 42.Rc8 h5 43.Kd3 Rg3 44.Kc4 Re3 45.Rf2 h4 46.Nd2 g5 47.Rf5 Re2= 48.Kd3 Rg2 49.Ne4 h3 50.Rf6 Rg1?? 51.Nd6+– Rd6 52.Rd6 h2 53.Rcd8 Kf7 54.Rh6 h1Q 55.Rd7 Ke8 56.Rh1 Rg3 57.Kc4 Kd7 58.Kd5 Rd3 59.e6 (59.e6 Ke8 60.Rh8 Ke7 61.Rh7 Kf6 62.Ra7+–) 1–0. Woelfelschneider,Peter (1700) – Luzuriaga,Norberto H (1700), HFK.008 TSC, 2002.

8.Bd3 Ne4 9.Qc2 Nc6 10.Nbd2 Bc3 11.Be4 Bd2.

8.Bd3= Ne4 9.Qc2 Nd7 10.0-0 c5 11.Nbd2 Nd2 12.Nd2 Bd3 13.Qd3 Ne5 14.de5 Re8 15.Rab1 Qe7 16.f4 Rad8=+ 17.Nf3 a6 18.a4 h6 19.Rfd1= Rd7 20.c4 Red8 21.cd5 Rd5 22.Qd5 Rd5 23.Rd5 Qc7 24.Rd6 c4 25.Nd4 c3 26.Kf2 Qc4 27.Ne2 c2 28.Rc1 Bb4 29.Rd4 Qc5 30.Rd8 Kh7 31.Nd4 Qc7 32.Rd5 Qc4 33.Rd7 Bd2 34.Rc2 Qd3 35.Rd2 Qd2 36.Kf3 Qd1 37.Kg3 Qd3 38.Kf3 Qc4 39.f5 b5 ½–½. Tomic,Srecko – Viard,Dominique, corr EM/OL14/G3/B5, 2000.

8.Bf6 Qf6 9.Bd3 Nd7 10.Bf5 Qf5 11.Qb3 Rab8.

8.0-0 Nc6 9.Bf6 Qf6 10.d4 c4 11.Ne1 Bf5 12.Qc1 a6 13.Nd2 Rfe8 14.a3 b5 15.Qd1 Bc3 16.Ra2 h6 17.Bg4 a5 18.Bf5 ½–½. Tejler – Springer, corr SOK–90–68.

8.0-0 Nc6 9.Bg3 Bf5 10.d3 Re8 11.Qc1 Nh5 12.Nbd2 (12.Bh4!? Qd6 13.Qb2=+) 12...Qf6 13.c4 Ng3 14.hg3 d4 15.e4 Bc8 16.Nb3 Bc3 17.Rb1 b6 18.Qf4 Qe7 19.g4 Bd7 20.g5 Rf8 21.Nh4 f5! 22.gf6 (22.ef5 Qe5 Double attack (22...Qe2 Pinning; 22...Qe2 Deflection; 22...Qe5 Decoy); 22.Nf5 Bf5 Decoy) 22...Rf6 23.Qg3 Rh6 24.Nf3 Rf8 25.Qg5 Qg5 26.Ng5 Rg6 27.Nf3 Bg4 28.Kh2 Rff6 29.Rh1? (better 29.Nc1-/+) 29...Bf3-+ 30.Bf3 Ne5 31.Nc5 (31.Bh5 Rh6 32.Kg3 Nd3 33.f3-+) 31...Rh6 32.Kg3 Rfg6 33.Kf4 Bd2 34.Ke5 Rg5 (34...Rg5 35.Kd4 bc5) 0-1. nizef (1880) - marekt (2125), gameknot.com, 2014.

7.Qc1 Nc6 8.Bf6 (8.Bd6 Qd6 9.Qa3 Qe6+=) 8...Qf6-/+ (8...gf6?! 9.d4=) 9.h3 Re8 10.Bd3 (10.d4 Bf5-/+) 10...a6 11.0-0 (better is 11.a3!?-/+) 11...Bh3!-+ 12.gh3? (12.Qc2 Bg4 13.Nh2-+) 12...Qf3 13.Bf5 (13.Re1-+) 13...Qf5 14.f4 Qh3 15.Kf2 (15.Rf2 Na5-+) 15...Qh4 (better is 15...Bf4 16.Rg1-+) 16.Ke2 Bf4 17.Kd1 Bh6 (17...Qg4 18.Kc2 Be5 19.a3-+) 18.Na3 (18.Qc2 Qg4 19.Kc1 Ne5-+) 18...Ne5 (18...Qa4 19.Ke2 Qg4 20.Rf3-+) 19.Qc2 Nc4 (better is 19...Qg4!? 20.Kc1 Qe2 21.Qd1 Nd3 22.Kc2 Re3 23.Rf5-+) 20.Nc4 Qc4 21.Rh1 (21.Qf5 Re7-+) 21...Qg4 22.Kc1 Qe4 23.Qd1 Re6 24.Rb1 b5 25.Rb4 Qe5 26.Qf3 Rf6 27.Qg2 (27.Qh3 c5 28.Rh4 b4-+) 27...c5 (27...Be3 28.de3 Qc3 29.Qc2 Qb4 30.Qh7 Kf8 31.Qc2-+) 28.Rb2 (28.Rbh4 Rg6 29.Qh3 b4-+) 28...b4! 29.c4 (29.cb4 cb4 Combination) 29...Rd8 30.cd5 Qd5 31.Qg1 (31.Qd5 Rd5 32.Rh2 Rfd6-+) 31...c4 32.Rh4 (32.Qe1 c3! 33.dc3 Be3 34.Kb1 bc3-+) 32...c3 33.dc3 Be3 0–1. mekkelmania – kupovgeorge (1745), gameknot.com, 2014.

7.Qc2 Re8 8.d4 c5 9.Nbd2 Nc6 10.Bd6 Qd6 11.Rb1 Re7 12.Be2 Bg4 13.0-0 Rc8 14.dc5 Qc5 15.Rb5 Qd6 16.Rd1 Qc7 17.Rdb1 b6 18.Qd1 Na5 19.c4 dc4-/+ 20.Qc2 c3 21.Nf1 Ne4 22.Nd4 Be2-+ 23.Ne2 Nc4 24.Qa4 Ncd2 25.Rd1 Nf1 26.Rf1 c2 27.h3 Nc3 28.Nc3 Qc3 29.Rc1 Qd2 30.Qa3 Rd7 31.Kh2 Qc1! 32.Qc1 Rd1 33.Rb1 Rc1 34.Rc1 b5 35.Kg3 b4 36.Kf3 a5 37.Ke2 a4 38.Kd2 b3 39.a3 Kf8 0–1. Larios,Francisco Javier (1970) – Bailo,Santiago (2060), Cto Autonomico Equipos, 2006.

7.d4 Bf5 8.Bf6 Qf6 (< 8...gf6 9.Qb3 Qd7 10.Qd5+/-) 9.Qb3 Be6 10.Qb7 Nd7 11.Qa6 Rfb8 12.Nbd2 Rb6 13.Qa4 Rb2 14.Bd3 Nb6 15.Qa5 Bf5 16.Rb1 Rb1 17.Bb1 Bb1 18.Nb1 Qf5 19.0-0 a6 20.Nbd2 Qd3 21.c4 dc4 22.Rc1 h6 23.g3 g6 24.h3 Re8 25.Kg2 Rc8 26.e4 Ra8 27.Rc3 Qe2 28.a3 Ra7 29.d5 Qd1 30.Nc4 Nc4 31.Rc4 Rb7 32.Qa4 Qa4 33.Ra4 Rb2 34.Rc4 f6 35.Nd4 Kf7 36.a4 Ke7 37.Nc6 Ke8 38.a5 Ra2 39.Rc3 Re2 40.Kf3 Ra2 41.h4 Rb2 42.Ke3 Rb1 43.f4 Re1 44.Kf3 Rf1 45.Ke2 Rb1 46.e5 fe5 47.fe5 Bb4 48.Rd3 h5 49.Rf3 Rb2 50.Ke3 Be7 51.Kd4 Rb1 52.e6 Bd6 53.Rf7 Rd1 54.Kc4 Rc1 55.Kb3 Rg1 56.Rg7 Rg3 57.Kc2 Rf3 58.Rg8 Rf8 59.Rg6 Rf2 60.Kd3 1–0. Woelfelschneider,Peter – Rushton,Darren, CLB–002.002, 2001.

7.Bg3 Re8 8.Qc2 c5 9.d4 b6 10.Nbd2 Nc6 11.Bb5 Bb7 12.0-0 c4 13.Bh4 Be7 14.Ne5= Rc8 15.Qa4 Qd6 16.Bg3 Qe6 17.f4 Ng4?? 18.Rae1?? Nge5=+ 19.fe5 Red8 20.Rf2 a5 21.Ref1 Bg5 22.Bf4 Bf4 23.ef4 f5 24.Nc4!+/- dc4 25.Bc4 Rd5 26.Bd5 Qd5 27.Qb3 Ne7+/- 28.Qd5 Nd5=+ 29.Rb2 Rc3 30.g3 Rd3-/+ 31.Rb3 Rd4 32.Re1 Kf7 33.e6 Ke7 34.Re2 Bc8 35.Rb1 Be6 36.Rbe1 Nc7 37.Re5 g6 38.Kf2 Kd6 39.R1e2 b5 40.R5e3 b4 41.h4 h5 42.a3 b3 43.Rc3 a4 44.Rb2 Nb5 45.Re3 Na3 46.Rbe2 Bd5 47.Rb2 Nc4 (47...Nc4 48.Reb3 ab3 49.Rb3 Rd2 50.Ke1 Kc5-+) 0–1. mic (2195) – kode (2300), net–chess.com, 2009.

8.de5 Ne4 9.Nbd2 Nc6 10.Qc2 Bf5 11.Bd3 Nd2 12.Qd2 Be4 13.Qe2 Qe7 14.0-0 Bf3-/+ 15.Qf3 Ne5 16.Qe2 c6 17.Rab1 b5 18.Rb4 Rfe8 19.Qc2 g6 20.Rfb1 Nc4 21.Bc4 dc4 22.Rd1 Rad8 23.Rbb1 Rd1 24.Rd1 Rd8 25.Rd2 a5 26.Rd8 Qd8 27.e4? b4 28.Kf1? Qd3 29.Qd3 cd3 30.cb4 ab4 31.Ke1 c5 32.Kd2 c4 33.e5 (33.f4 f6-+) 0–1. b4_player – opponent, internet, 2008.

8.Ne5 Nbd7 9.Nd7 Qd7 10.Bd3 Qd6 11.Nd2 b6 12.h3 Re8 13.Qc2 c5=+ 14.Rb1 c4 15.Be2 Be6 16.Rb4 Qd7 17.Nf3 Bf5 18.Qb2 Be4 19.Ne5 Qd6 20.f3 Bf5 21.e4 de4 22.Bc4 Be6 23.fe4 Ne4 24.0-0 f6 25.Bd3 Nc5 26.Nc4= Qg3 27.Bh7 Kh7 28.dc5 bc5 29.Ra4 Bh3 30.Nd6 Re7 31.Raf4 Bg4 32.Qb1 Kg8 33.R1f2 Bc8 34.Ne4 Qe3 35.Kh2 Bd7 36.Qd1= Re4 37.Qd5+/- Re6 38.Qa8 Be8 39.R4f3 Qe5 40.Kg1 Qg5 41.Qb8 Re1+= 42.Rf1 Re2 43.Rg3 Qe5 44.Qe5 fe5 45.Rf5 Bf7 46.Rgg5 Ra2 47.Re5 c4 48.Ra5 (48.Ra5 Rc2 49.Rg3+–) 1–0. Baer,Werner – Schulz,Hans_Juergen, TT–10.16 ETC, 2004.

8.Nbd2 Be5 9.Ne5 c6 10.Bd3 Nbd7 11.Ndf3 Ne5 12.Ne5 (worse is 12.de5 Ng4-/+) 12...Ne4 13.Qc2 f6 14.Nf3 b5 15.Nd2 f5 16.0-0 Nd2 17.Qd2 a5 18.Rfe1 (18.a4 ba4 19.Rfb1 Bd7+/-) 18...Ra7 (18...a4 19.Qd1=) 19.Qc2 g6 20.a4 Ba6 21.Qb1 Rb7 22.ab5 cb5 23.Qa2 a4 24.e4 Rbe7 25.e5 Re6 26.Qb2 Qd7 27.Qb4 Rb6 28.Red1 Reb8 29.Be2 Kf7 30.Bf3 Qe6 31.Qc5 Bb7?? (31...Rd8 32.Be2+/-) 32.Rdb1 (better is 32.Qc7 Ke8 33.Qb8 Bc8 34.Qa7+–) 32...Rc8+/- 33.Qb4 Ra8 34.Qc5 Rc8 35.Qb4 Ra8 36.Qc5 (36.Bd1 h6+/-) 36...Rc8+= 37.Qb4 (37.Qa3!?+=) 37...Ra8= 38.Qc5 ½–½. vlladimir (1680) – kupovgeorge (1815), gameknot.com, 2014.

8.Bd6 Qd6 9.Bd3=.

8.Bd6 Qd6 9.c4 dc4 10.Bc4 Nc6 11.Nc3 Nf6 12.Rb1 a6 13.e4 Qa3 14.Qd2 b5 15.Bb3 b4 16.Nd5+= Ne4 17.Qc2 Nc3 18.Ng5 g6= 19.Nc3 bc3 20.Qc3 Qe7 21.Kf1 Qg5 22.Qc6 Qb5 23.Qb5 ab5 24.Rc1 Ra7 25.Ke2 Re8 26.Kd2 Rd8= 27.Rc5 Rd4 28.Kc3 Rd8 29.Rb5 Bb7 30.f3+= c6 31.Rc5+/- Re8 32.Rd1 Ba8 33.a4 Re3 34.Rd3 Re2 35.Rd2 Re8 36.a5 Kg7 37.Bc4 f6 38.Rd6 Re1 39.Rd8 h6 40.a6 Rc1 41.Kb4+– Rb1 42.Ka5 Rb2 43.g3 h5 44.f4 Kh6 45.Rh8 Kg7 46.Rc8 Kh6 47.Re8 Bb7 48.Re2 Rb1 49.Ra2 Kg7 50.h4 Kh6 51.Ra3 Ra8 52.Be2 Rb2 53.Bd3 Ra7 54.f5 g5 55.hg5 Kg5= 56.Ra4 Ra8 57.Bf1 Bc8 58.Ra3 Bb7 59.Bc4 Ra7 ½–½. Blitzmich – Caissa, playchess.de, 2002.

8.Bd6= Qd6 9.Bd3 Nf6 =.

8.Bd6 Qd6 9.Be2 Re8 10.0-0 Re6 11.Nbd2 Rh6 12.h3 Nf6 13.Ne5 Nc6= 14.f4 Ne7 15.c4 Nf5 16.Qb3 c5 17.cd5 Ng3 18.Rfe1 Ne2 19.Re2 cd4 20.Rd1 Qd5 21.Ndc4 Be6 22.Rd4+/- Qc5 23.Qb7 Rf8 24.Red2 Bc4 25.Nc4 Ne8 26.Kh2 Re6 27.e4 Nc7 28.Ne5 Re5 29.fe5 Qe5 30.Kh1 Ne6 31.Rd5 Qe4 32.Qa7 f5 33.R5d3 f4 34.Qf2 Ng5 35.Rd8 (35.Rd8 Rd8 36.Rd8 Kf7 37.Qa7 Kg6 38.Qa3+–) 1–0. Malmstroem,Jan (1725) – Milde,Lars (2040), TT–03 TSC, 2002.

8.Bd6 Qd6 9.h3 Nf6 10.Bd3 Nbd7 11.Nbd2 c5 12.0-0 Re8 13.Qb1 Rb8 14.a4 b6 15.c4 cd4 (16.Nd4 Ne5 17.cd5 Nd3 18.Qd3 Qd5 19.Qb5 Bb7 20.Qd5 =). Bulcourf,Carlos – Juarez Carlos,Eleodoro, Tourmanent (team), XI, Buenos Aires, 1995.

8.d4 Bf5 9.Qb3 Nbd7 10.Qb7?? Rfb8-+ 11.Qa6 Rb6 12.Qa5 Bb1 13.Bb5 Be4 14.Be2 Rb2 15.c4 c5 16.Rd1 cd4 17.Rd4 Rb1 18.Bd1 Bf3 19.gf3 Ne5 20.c5 Nf3 21.Kf1 Qe6 22.Kg2 Nd4 23.ed4 Qe4 24.Bf3 Qg6 (25.Kh3 Rh1-+) 0–1. Fritz 5.32 – Fritz 8, 2004.

8.d4 Bf5 9.Nbd2 c5 10.Qb3 Nc6 11.Qb7= Rfb8 12.Qa6 c4 13.Qa4 Rb7 14.Be2 Rab8 15.0-0 Qd7 16.Qa3 Rb2 17.Rfd1 Qe7 18.Qe7 Ne7 19.Ne5 Bc2 20.Rdc1 Bg6=+ 21.Rd1 Rc2 22.Bf3 Rc3 23.Ng6=+ hg6 24.e4 Rb2 25.ed5 Nf5 26.Nf1 Ra3 27.Ne3 Ne3 28.fe3 Re3 29.Rdb1 Rd2 30.Rb7 c3 31.Rc7 c2-+ 32.Re1?? Re1# 0–1. Vetter,Udo – Schulz,Hans_Juergen, TT–11 ETC, 2004.

7.c4 Nbd7 8.Nc3 Ne5 9.Ne5 d4 10.Nb5 de3 11.de3 Bb4 12.Ke2 Qe7 13.Qb3 Qe5 14.Rd1 a5 15.a3 Bc5 16.h3 Re8 17.g4 c6 18.Bg2 cb5 19.Qb5 Ra6 20.Bd5 Qe7 21.Rd3 Rb6 22.Qa4 Rb2 23.Kf1 b5 24.Qa5 Nd5 25.cd5 Qe4 26.Qc3 Normal 0-1. Karpusha (1610) - latobasa (1675), Rated Classical game, 2015.

7.d4 d5 8.Be2 Bf5 9.0-0= Nbd7 10.Bf6 Nf6 11.h3 c6 12.Nbd2 Ne4 13.Ne4= Be4 14.Nd2 Bg6 15.c4 Bb4 16.cd5 Qd5 17.Bf3 Qa5 18.Nb3 Qb6 19.Qc1 a5 20.a3 Bd6 21.Nc5 Bc5 22.dc5 Qc7 23.Qc3 Rfe8 24.Rfd1 Rad8 25.Rd8 Rd8 26.a4 Qd7 27.Qa5+/- h6? 28.Qb6 Bd3? 29.a5 Ba6 30.Rd1 Qd1 31.Bd1 Rd1 32.Kh2 Rd7 (32...Rd7 33.Kg3 Kf8+–). makaveli1982 – jperr75108, internet, 2007.

7.d4 Ne4 8.Bd3 Bf5 9.0-0 Nd7 10.Bf4 c5 11.Be4 Be4 12.Nbd2=+ Bg6 13.Ne5 Ne5 14.Be5 cd4 15.Bd4 Qc7 16.Qb3 Bd6 17.Qd5 Bh2 18.Kh1 Rad8 19.Qg5 Bd6 20.Nf3 f6 21.Qb5 a6 22.Qb2 Qd7 23.Rfc1 Be4 24.Nd2?? Qh3 (24...Qh3 25.Kg1 Qg2) 0–1. arturo – brain boardonly, ChessWorld.net, 2005.

7.d4 Re8 8.Bd3 Nc6 (8...Nbd7 9.Nbd2=+) 9.Bf6 Bf6 (< 9...gf6 10.Nh4+/-) 10.0-0 Qe7 11.Qc2 g6 12.Nbd2 a6 (12...Be6 13.Rab1 Rab8 14.Rfe1=) 13.e4 de4 14.Ne4 Bg4 15.Nf6 (15.Nfd2 b5=) 15...Qf6 16.Nd2 Kg7 (16...b5 17.Ne4 Qh4 18.Rfe1+=) 17.Ne4 Qf4 18.Ng3 (18.Nc5 b5+=) 18...Rad8 (18...Re7 19.Rab1 b5 20.a4+=) 19.Rae1 Be6 20.Re4 Qd6 21.Rfe1 Bd7 (21...Re7 22.Qb2 f5 23.R4e2+=) 22.Re8+/- Re8 23.Re8 Be8 24.Ne4 Qd5 (24...Qe7 25.Qb1 f5 26.Nc5+/-) 25.Qe2 (25.Nc5 Bd7+/-) 25...Bd7 (25...Na5 26.Nc5 Bc6 27.Be4+=) 26.Bc4 Qf5 27.h3 (27.Nc5 b5 28.Bd3 Qd5 29.Na6 Qg5 30.Nc7 b4+–) 27...Be6+= 28.Be6 Qe6 29.Qc2 b6 30.Kh2 h6 31.a3 f5 32.Ng3 b5 33.Qd2 (33.Qd3 Qd6 34.d5 Ne7 35.Qd4 Kg8-/+) 33...Ne7 (33...Qd6 34.d5=) 34.Qc2 (34.Qf4 Qd6 35.Qe5 Qe5 36.de5 Kf7=) ½–½. Kupec,Jan – de Grandi,Carlo, CiF GM–95–0101B, 1995.

7.Be2 c5 8.d4 c4 9.0-0 Bf5 10.Nbd2 Nc6 11.Bf6 Bf6 12.a4 a6 (12...Re8 13.Qc1=+) 13.Qc1= b5 14.ab5 ab5 15.Qb2 Qb6 Black intends b4 16.Ra8 Ra8 17.h3 (17.Ra1 Ra1 18.Qa1 Qb7=+) 17...b4 18.Nb1 (better 18.g4!? Bg6 19.cb4 Qb4 20.Qb4 Nb4 21.Rc1-/+) 18...b3-+ 19.Na3 Qa6 20.Nb1 (20.g4 Be4 21.Nc4 dc4 22.Nd2-+) 20...Qa2 21.Qd2 Bb1 0–1. cr50 – Panza, ChessWorld.net, 2020.

7.Be2 Nc6 8.0-0 Ne5 9.Ne5 c5 10.d3 Bd6 11.f4 Qa5 12.c4 d4 13.e4 Qc7 14.Nd2 Be5 15.fe5 Qe5 16.Rb1 Qg5 17.Rf3 h5 18.Rg3 Qh6 19.e5 (better is 19.Rf3!?-/+) 19...h4-+ 20.Rg7 Kg7 21.ef6 Qf6 22.Bf3 Qe7 23.Ne4 f5 24.Nf2 Rb8 25.Qd2 Re8 26.Rf1 a6 27.Qf4 Bd7 28.a4 Kg6 29.Bd5 Qe5 30.Qh4 (30.Qc1 b5-+) 30...Rh8 (30...Ba4 31.Ne4 Qe7 32.Qg3 Kh6 33.Rf5+–) 31.Qg3 Qg3 32.hg3 b6 33.Nh3 Ba4 34.Nf4 Kf6 35.Ra1 b5 36.Kf2 Rb6 37.Kf3 Re8 38.Rh1 Re3 39.Kf2 Ke5 40.Rh8 (40.Rh7 bc4 41.Re7 Kd6 42.Re3 de3 43.Ke3 c3-+) 40...bc4 41.Bc4 Rb2 (41...Rb2 42.Kf1 Rg3-+) 0–1. LSGUK – marekt, ChessWorld.net, 2013.

7.Bf6 gf6 8.d4 +=.

7.h3 c5 8.d4 Nc6 9.Bf6 Bf6 10.Bd3 c4 11.Bc2 b5 12.a3 a5 13.0-0 Be6 14.Qe2 Qc7 15.e4 de4 16.Be4= Rad8 17.Qc2 g6 18.Rd1 Ne7 19.Nbd2 Rfe8 20.Qb2 Rb8 21.Nf1 Nd5=+ 22.Qc2 Kg7 23.Rac1 Qd6 24.Qa2 Bh3! 25.Bd5 Qd5 26.Ne3 Qh5 27.a4 ba4 28.Ne1? Bg5-+ 29.gh3 Re3 30.fe3 Be3 31.Kh1 Qh3 32.Qh2 Qf1 (32...Qf1 33.Qg1 Qg1#) 0–1. Autengruber,Robert – Schmid,Georg, Niederbayern–chT, 2000.

7.h3 Nbd7 8.Bd4 c5 9.Bf6 Nf6 10.d4 Qa5 11.Bd3 Re8 12.0-0 Bd7 13.dc5=+ Bc5 14.Nbd2 Ba4 15.Bc2 Bb5-/+ 16.Nb3 Qb6 17.Re1. fordey – hooks, ChessWorld.net, 2005.

8.Qc2 c4 9.Be2=+.

8.Qc2 Nc6 9.Nbd2 g6 10.Bf6 Bf6 11.dc5 Qa5 12.Rc1 Qc5 13.Bd3 Bg4 14.h3 Bf3 15.Nf3 Rac8 16.0-0 Qa3 17.Rb1 Na5 18.Rfd1 Rc3 19.Qd2 Rd8 20.Bf1 a6 21.Rbc1 Rc6 22.Rc2 Qa4 23.Rc6 Nc6 24.Rb1 Na5 25.Rc1 Nc4 26.Qc2 Qc2 27.Rc2 b5 28.Ne1 h5 29.g3 Kf8 30.Rc1 h4 31.g4 Ke7 32.Nd3 Kd6 33.Bg2 a5 34.Nf4 d4 35.Nd5 Bh8 36.ed4 Bd4 37.a4 Kc5 38.ab5 Bb2 39.Rc2 Rd5 40.Bf1 Kb6 41.Bc4 Rc5 42.Bd3 Rc2 43.Bc2 Kb5 44.Bb3 f6 45.Kf1 a4 46.Bf7 Kb4 47.Bg6 a3 48.Bf7 Kc3 49.Ke2 Bc1 50.Be6 Bh6 51.Ba2 Kb2 52.Bd5 Kc2 Draw agreed ½-½. gioco1b4 (2535) - nii_sama (2740), ChessWorld.net, 2015.

8.Qc2 Nc6 9.Bf6 gf6 10.Bd3 h6 11.0-0+=.

8.Qc2 Nc6 9.Bf6= gf6 10.Bd3 h6 11.Nbd2+=.

8.Qc2 Nc6 9.Bf6= Bf6 10.Bd3 g6 (10...h6 11.0-0=) 11.dc5 b6 (11...Nb4 12.Qd2=) 12.Nd4 Bd4 (12...Nd4 13.cd4 (worse 13.ed4 bc5 14.dc5 Re8 15.Kd1 Qc7-/+) 13...Qe7 14.Nc3 Bd4 15.Nd5=) 13.cd4+= (worse 13.ed4 Re8 14.Kf1 bc5 15.dc5 Qe7=+) 13...Qg5 14.0-0 (14.Bf1!? Bf5 15.Qc3+=) 14...Nb4= 15.f4 (15.h4!? Qf6 16.Qc3 Nd3 17.Qd3 bc5 18.Qd2=+) 15...Nc2=+ 16.fg5 Na1 17.Nc3 bc5 18.dc5 (18.Nd5!? cd4 19.ed4-/+) 18...Be6 19.Nb5 Nc2 20.Bc2 Rfc8 21.Nd4 Rc5 22.Rb1 Rc3 23.Kf2 Rcc8 (23...Rac8 24.Ba4-/+) 24.Rd1 Rcb8 25.Bb3 a5 26.Rd2 a4 27.Bd1 Rb1 28.Kg3 (28.a3 Kg7-+) 28...a3-+ 29.Bb3 Rc8 30.h4 (30.Rd3 Rbc1-/+) 30...Rb2-+ 31.Rd1 (31.Rd3 Rc1-+) 31...Kf8-/+ 32.Rh1 (32.Kf3 Kg7-/+) 32...Ke7 33.Rg1 Kd6 (33...Rc5 34.Rd1-+) 34.Kf4 (34.Rd1 Ke5-+) 34...Bd7 35.Kf3 Rd2 (35...f6 36.gf6 Rf8 37.e4 Rf6 38.Ke3 de4 39.Ke4 Bc6 40.Nc6 Kc6 41.g3-+) 36.g4 (36.Rd1 Rd1 37.Bd1 Ke5-+) 36...Rd3 (36...Rc3 37.Ne2 Rc5 38.Nd4-+) 37.Re1 Re8 38.Nc2 Re4 39.Ke2 Bb5 (39...Rc3 40.Kf2-+) 40.Kf3 Ke5 41.Na3 Bd7 42.Kf2 Rg4 43.Ke2 Ke4 44.Bc2 (44.Rf1 Rg2 45.Rf2 Re3 46.Kf1 Rf2 47.Kf2 Rh3-+) 44...Rg2 45.Kf1 Bh3 46.Bd3 Kd3 47.Rb1 Ra2 48.Ke1 Ra3 49.Kf2 Ra2 (49...Ra4 50.Rd1 Ke4 51.Rd2-+) 50.Kf3 Bg2 51.Kf4 Rf2 (51...Be4 52.Rb3 Kc4 53.Rb7-+) 52.Kg3 Rf5 (better 52...Rc2-+) 53.Kg2 Ke3 (53...Ke3 54.Rb3 Ke4-+) 0-1. shahovski (2155) - kylion (2225), gameknot.com, 2020.

8.dc5= Bc5 9.Bf6+= Qf6 10.Qd5 Qb6 11.Qb3 Be3 (11...Qg6!?+=) 12.fe3+/- Qe3 13.Be2 Qc1 14.Qd1 Qb2 15.Nbd2 Qc3 16.Rc1 Qe3 17.Nc4 Qe7 18.0-0 Nc6 19.Qc2 Bg4 20.Rce1 Qc5 21.Kh1 Rae8 22.Qd2 h6 (22...Bf3 23.Rf3 Qd4 24.Qc1+/-) 23.Nd6 Re7 24.Qf4 Be6 25.a4 Rd8 26.Ne4 Qc2 (26...Qf5 27.Qe3+/-) 27.Bd1 Qb1 28.Qg3 Kf8 (28...Qb4!? 29.Bc2 Kh8+/-) 29.Nc5+– Bc4 30.Bb3 Qf5 31.Re7 (31.Bc4?! Qc5 32.Re7 Ne7+–) 31...Ne7 32.Nb7 (32.Bc4?! Qc5 33.Ne5 f6+–) 32...Bf1 33.Nd8 Qb1 (33...Be2+–) 34.Ne6! (34.Bf7?! Bc4 35.Ng1 Bf7 36.Nf7 Kf7 37.Qf2 Ke8 38.Qa7 Qa1+/-) 34...fe6 35.Qb8 (35.Qb8 Nc8 36.Qc8 Ke7 37.Qe6 Kd8 38.Qd6 Ke8 39.Qb8 Ke7 40.Qa7 Kd8 41.Qb6 Ke7 42.Qe6 Kd8 43.Qg8 Kc7 44.Qg7 Kb6 45.Qf6 Kc5 46.Qf8 Kb6 47.Nd2 Bg2 48.Kg2 Qg6 49.Kf2+–) 1–0. charmedones (1975) – kupovgeorge (1825), gameknot.com, 2014.

8.dc5= Nc6 9.Bf6 Bf6 10.Bd3 =.

8.dc5 Nbd7 9.Bd4 Nc5 10.Be2 Bf5 11.0-0 Rc8 12.Nbd2 h6 13.Rc1 Nd3 14.Rb1 b6 15.c4 dc4 16.Nc4 Rc4 17.Bd3 Bd3 18.Qd3 Qd5 19.Ne5 Rc7 20.a4 Rfc8 21.g3 (21.Rfd1 Bd6 22.Rb5 Qa2=) 21...Bf8 22.Rfd1 Ne4 23.Rb5 Qb7 24.a5 (24.f3 Nc3 25.Bc3 Rc3=) 24...Rc2+= 25.a6 (25.ab6?? Nf2 26.e4 Nd3 27.Nd3 Qe4-+) 25...Qa8 26.f3 Ng5 27.e4 R8c7 28.Rb2 Rc1 29.Rb1 Rb1 30.Rb1 Qc8 31.f4 (31.Rd1!?=) 31...Ne6+= 32.Bf2 Bc5 33.Rd1 Kh7 34.Qd5 Qa6 35.Nf7 Rf7 36.Bc5 (better is 36.Qe6 Qe2 37.Rf1-/+) 36...bc5-+ 37.f5 Qe2 (37...Qe2 38.fe6 Rf2-+) 0–1. pierred (2795) – pcmvr, net–chess.com, 2016.

8.Nbd2 Nc6 9.Bb5 Ne5 10.de5 Nd7 11.0-0 Qc7 12.Bd7 Bd7 13.e4 de4 14.Ne4 Bg4 15.Ned2 Rfd8 16.Qc2 Qc6 17.Rfd1 Rd7 18.h3 Be6 19.c4 Rad8 20.Rab1 h6 21.Re1 Rd3 22.Rb3 Bf5 23.Qb2 b6 24.Re3 Re3 25.Re3 Qg6 26.Kh2 Bg5 27.Ng5 Qg5 28.Qc3 Qf4 29.Kg1 Rd7 30.a3 Qd4 31.Nf3 Qd1 32.Kh2 Be6 33.Kg3 g5 34.Kh2 Kg7 35.Kg3 Rd8 36.Nh2 (36.Qb2!?-/+) 36...Rd4 37.Nf3 Rc4 38.Qd2 Qd2 39.Nd2 Rc2 40.Ne4 c4 41.h4 Kg6 42.hg5 hg5 43.a4 Ra2 44.Nc3 Rb2 45.Rf3 a6 46.Ne4 (46.Rf6 Kg7-+) 46...Rb3 47.Nc3 b5 48.ab5 ab5 49.Kh2 b4 50.Rf6 Kg7 51.Nd1 c3 52.Ne3 Ra3 53.f4 b3 54.f5 Bd7 55.e6 Be6 56.fe6 Kf6 57.e7 Ke7 58.Nd5 Ke6 59.Nc3 b2 60.Nb1 Ra1 0–1. valeriuzaharia (2095) – henrycrun (2415), gameknot.com, 2012.

8.Nbd2 Nc6 9.Bd3 c4 10.Bc2 Qa5 11.Qb1 Qc3-/+ 12.Bf6 Bf6 13.Bh7 Kh8 14.0-0 Qa3 15.Bf5= Nb4 16.Bc8 Rac8=+ 17.Qf5 c3 18.Nb3 Kg8 19.Nc5 Rc6 20.Nd7 Rd8 21.Nfe5 Be5 22.Ne5 Rc7 23.h3? Rd6 24.g3 c2-/+ 25.Rfc1 b6 26.Kg2 a6 27.h4 b5 28.Qf4 Re6 29.Qg5 Re8 30.Qf4 a5 31.Qf5 Re6 32.Qg5 Rd6-/+ 33.Qf5 f6 34.Qg6 Rd8 35.Ng4 Kf8 36.Qh5 Rdc8 37.Qh8 Kf7 38.Qh5 Ke6 39.e4 de4 40.Ne3 Nd3 41.d5 Kd6 42.Nf5 Kd5 43.Ng7 Ne5 44.Nf5 Qf3 45.Qf3 ef3 46.Kf1 Nd3 47.Rc2 Rc2 48.Ne7 Kd4 49.Nf5 Ke5 50.Ne3 Rc1 (50...Rc1 51.Nd1 Ra1 52.Kg1 Rd1 53.Kh2 Nf2 54.g4 Kf4 55.g5 Rh1#) 0–1. marekt – captain014, GameColony.com, 2002.

8.Bd3 c4 9.Bc2 Nc6 10.Bg3 Bg4 11.Nbd2 (11.0-0 Ne4+=) 11...Qa5-/+ 12.Qc1 (better is 12.Nb1-/+) 12...Ba3-+ 13.Qd1 Qc3 14.0-0 Nb4 15.Ba4 Bf5 (15...Bb2 16.Bd6 Rfc8 17.Bb4 Qb4 18.Rb1-+) 16.Nh4 (better is 16.Bh4-+) 16...Bd3 17.Re1 (17.Rb1 Bb2-+ (17...Bb1?! 18.Nb1 Qb2 19.Nf5-+)) 17...b5! 18.Bb5 Nc2 19.Ndf3 Ne4 (19...Bb2 20.Rb1 Ne1 21.Qe1-+) 20.Ne5 (20.Bc6 Rad8 (worse is 20...Na1 21.Qa1 Qa1 22.Ra1-+) 21.Ba4 Na1 22.Qa1 Qa1 23.Ra1 g5-+ (worse is 23...Ng3 24.hg3 Rb8 25.Ne1-+)) 20...Rab8 (better is 20...Bb2!? 21.Nd3 Ba1 22.Re2 cd3 23.Bd3-+) 21.Ba4 Ne1 22.Qe1 Ng3 23.hg3 (23.Qc3?? Ne2 24.Kh1 Nc3-+) 23...Qa1! 24.Qa1 Rb1 25.Qb1 Bb1 26.Nhf3 (26.Bc6 Rd8 (26...Ba2?! 27.Bd5 c3 28.Ba2-/+) 27.Bd5 Rd5 28.Nc4 Be7-+) 26...Ba2 27.Bc6 (27.Nc6 Rc8-+) 27...c3 (27...c3 28.Ne1 Bb3-+) 0–1. cristero (2485) – pcmvr, net–chess.com, 2016.

8.Bd3 Nc6 9.0-0 Re8 (9...c4 10.Bf6 Bf6 11.Bc2=+) 10.Nbd2 Bd6 11.Bf6 Qf6 12.Bc2 (12.dc5 A) worse 12...Qc3 13.Bh7 (worse 13.cd6 Qd3 14.Nb3 Qf5=) 13...Kh7 14.cd6+/-; B) 12...Bc5 13.Qb3 Rd8=) 12...Bf5 (12...b6 13.c4 dc4 14.Qb1 cd4 15.Bh7 Kh8 16.Be4=) 13.Bb3 (13.Bf5 Qf5 14.dc5 Bc5=) 13...Be4 (13...c4 14.Bc2=+) 14.Ne4 de4 15.Nd2 cd4 (15...Qg6 16.Qe2=) 16.cd4= Rad8 (16...Qh6 17.h3=) 17.g3 (17.Qh5 Bb4 18.Rad1 Na5+=) 17...Qf5 (17...Bb4 18.a3 Bd2 19.Qd2=) 18.Kg2 (better 18.f3 Qg5 19.Qe2 (worse 19.fe4 Qe3 20.Kh1 Re7-/+) 19...ef3 20.Qf3 Qe3 21.Qe3 Re3 22.Bf7 Kf8 23.Rab1 Nd4 24.Rb7+/-) 18...h5 (better 18...Bb4 19.Qe2 Ne5=+) 19.f3+/- ef3? (better 19...Qg6+/-) 20.Rf3+- (20.Qf3?! Qf3 21.Rf3 Re7+=) 20...Qd3 (20...Qg5 21.Bf7 Kh8 22.Be8 Re8+-) 21.Bf7 Kh8 22.Be8 (better 22.e4 Qd4 23.Rd3 Qc5+-) 22...Re8 23.Nb3 (23.Nf1 Qe4+-) 23...Qe4 24.Nd2 Qd3 25.Nb3 (25.Rb1 Bb4 26.Rf2 Qg6+-) 25...Qe4 26.Qb1 Qd5 27.Qg6 (better 27.Qf5 Qf5 28.Rf5 Re3 29.Rd5+-) 27...Rf8?? (better 27...Re3 28.Raf1 Bc5+-) 28.e4 Qg8 (28...Qb5 29.Rf8 (29.Qd6?! Qe2 30.Kg1 Qf3=) 29...Bf8 30.Rf1+-) 29.Qh5 (29.Rf8 Qf8 30.Rf1 Qf1 31.Kf1 Ba3 32.Qh5 Kg8+-) 29...Qh7 30.Qh7 (better 30.Rf8 Bf8 31.Qe8 Qg8+-) 30...Kh7 31.e5 1-0. Ahmadzada,Ahmad (2465) - Levitskiy,Andrey (2325), Titled Tuesday, 2021.

8.Bf6 Bf6 9.Bd3 Na5 10.Nbd2 c6 11.0-0 b5 12.Qc2 g6 13.a4 a6 14.Qa2 Be6 15.Nb3 Nb3 16.Qb3 Qd7 17.Rfe1 Bf5 ½–½. algernon (2555) – voboran (2490), net–chess.com, 2014.

8.Bg3 Ne4 9.Bd3 Bf5 10.Be4 Be4 11.Nbd2 Bd3 12.Nb3 Ba6 13.Ne5 Ne5 14.Be5 f6 15.Bg3 Qd7 16.Qc2 Qa4 17.0-0-0 c6 18.h4 Bc4 19.h5 h6 20.Rhe1 a5 21.Bf4 Qa3 22.Kb1=+ Ra6 23.Nc1 Rb6-/+ 24.Ka1 Rc8 25.e4 a4 26.Rd2 de4 27.Re4 Rb5 28.g4 Rf8 29.Rde2 Be2-+ 30.Ne2 f5 31.Re6=+ Ra8 32.c4 Rba5?? 33.Re3+= Qb4 34.a3 Qb3 35.Rb3 ab3 36.Qc3 fg4 37.Kb2 Ba3 38.Kb3 Bf8 39.Qe1 Ra3 40.Kc2+– Ra2 41.Kd3 Re8 42.Be5 Ra3 43.Ke4 c5 44.Qb1 cd4 45.Qb5 Re7 46.Qd5 Rf7 47.Nf4 g3 48.fg3 Rg3 49.Kd4 Rg5 50.Ne6 Rgf5 51.Nf8 (51.Nf8 Rf1 52.Kc5+–) 1–0. Bras,Yannick – Toumani,E, corr, 1994.

8.Bg3 Ne4 9.Bd3 Ng3 10.hg3= h6 11.Bc2 Qd6 12.Qd3 f5 13.Nbd2 Qe6 14.Rb1 Bd6 15.Ng1 b6 16.Ne2 a5 17.Ba4 Ba6 18.Bb5 Bb7 19.Nc4 Be7 20.Nf4 Qd7 21.Ne5+/- Ne5 22.de5 c6 23.Nd5 Rad8 24.Ne7 Qe7 25.Qc4 Rf7 26.Bc6 Qc7 27.e6 Re7 28.Bb5 Bg2 29.Rh4 Be4 30.Qc7 Rc7 31.Rb2 Kf8= 32.Rd2 Rd2 33.Kd2 Ke7 34.Bd7 (34.g4 Ke6 35.gf5 Kf5=). Tavakoli,Fariba – Ayman,Mikhail, IECG, 2000.

8.Bg3 Ne4 9.Bd3 h5 10.h4 (better is 10.Ne5!? Ne5 11.Be5=) 10...Ng3-/+ 11.fg3 Bd6 12.0-0 Bg3 13.Nbd2 (13.Ng5 Bg4 (13...Bh4?? 14.Qh5 Bf5 15.Bf5 Bf2 16.Rf2 Re8 17.Bh7 Kf8 18.Rf7) 14.Qc2 Qd7 15.Bh7 Kh8-/+) 13...f5 14.c4 Nb4 (14...Bh4?! 15.cd5 Na5 16.Nh4 Qh4 17.Rc1=) 15.Be2 (15.Qb3 Qe7 16.Bb1 Re8-/+) 15...Qe7-+ (15...Bh4?! 16.a3 Na6 17.cd5=) 16.Qb3 Nc2! 17.Qc2 Qe3 (17...Qe3 18.Kh1 Qe2 19.cd5 Qb5-+) 0–1. cristero (2485) – pierred (2795), net–chess.com, 2016.

8.Bg3 Ne4 9.Bf4 g5 10.Be5 f6 11.Bg3 h5 12.h3 Ng3 13.fg3 f5 14.Qb3 Qd6 15.Kf2 g4 16.Nfd2 Re8 17.Be2 Bg5 18.Nf1 h4 (better is 18...Qe6 19.Qc2 Be3 20.Ne3 Qe3 21.Kf1 Qg3 22.hg4 Qf4 23.Ke1 hg4-+) 19.c4?? (19.gh4 Be3! 20.Ne3 Qf4 21.Ke1 Qe3 22.Qb2 Qg3 23.Kf1-+) 19...Be3!-+ 20.Ne3 Qg3 21.Kf1 Nd4 (21...Qe3?! 22.Qe3 Re3 23.Kf2-+) 22.Qd3 (22.Qb2 Qf4 23.Ke1 Re3 24.Nc3-+) 22...Qf4 23.Ke1 Re3 24.Rf1 Re2 25.Qe2 Qc1 26.Qd1 (26.Kf2 g3 27.Kg1 Ne2 28.Kh1 Qf1) 26...Qe3 0–1. grahamtrue (2135) – pierred (2795), net–chess.com, 2016.

8.Bg3 Bf5 9.Bd3 Bd3 (9...Be4 10.0-0=+) 10.Qd3 Na5 11.0-0 c6 12.Nbd2 Bd6 13.c4 (13.Be5 Re8=) 13...Bg3 14.hg3 dc4 15.Nc4 Nc4 16.Qc4 Qd5 (16...Re8 17.Rab1 Ne4 18.Rfd1=) 17.Qc2 (17.Qd5 Nd5 18.Rab1 Rab8=) 17...Qe4 (17...Rfc8 18.Rac1=) 18.Qc3 (18.Qe4 Ne4 19.Rab1 b6=) 18...Nd5 19.Qc5 Rfe8 20.Rfb1 Qe7 21.Qc2 (21.Rb3 Qc7=) 21...Rad8 (21...Rac8 22.Qf5=+) 22.a4 (22.Rb3 Rc8=) 22...Rd6 (22...Nb4 23.Qc3 a5 24.Rb3=+) 23.a5 Rh6 (23...Rd7 24.Ra4=) 24.Qb3 (24.Qc5 Qc5 25.dc5 Nc3 26.Rb7 Ne2 27.Kf1 Rh1 28.Ke2 Ra1 29.Ra7 Ra2 30.Kf1 g5=) 24...b6 (24...Rb8 25.Ne5=) 25.Qc4 (25.Ne5!?+=) 25...Qd7 (25...b5 26.Qb3=) 26.Ne5 Qf5 27.Nc6?? (27.ab6 Qh5 28.f3 ab6 29.e4+/-) 27...Qh5-+ 28.Kf1 Re3 29.Ne7 (29.fe3 Ne3 Double attack (29...Qg5 Decoy)) 29...Kf8 30.Qc8 Ke7 31.fe3 Rf6 (better 31...Ne3!? 32.Ke1 Qh1 33.Kd2 Qg2 34.Kd3 A) 34...Qg3?! 35.Qb7 Kf6 36.Rg1 (36.Qa7 Qg6 37.Kc3 Qc2 38.Kb4 Qc4 39.Ka3 Nc2 40.Kb2 Qb4 41.Kc2 Qc4 42.Kd1 Rh1 43.Kd2 Rh2 44.Ke3 Qc3 45.Ke4 Rh4 46.Kd5 Rd4; 36.ab6 Nf5 37.Kc4 Nd6 38.Kb4 Nb7 39.ba7 Qd6 40.Kc4 Rh4 41.Rf1 Kg6 42.Rf6 gf6 43.Ra2 Qd4 44.Kb3 Qc4 45.Kb2 Rh2 46.Ka3 Ra2) 36...Ng2 37.Kc4 b5 38.Qb5 Qc7 39.Kb3 Rh3 40.Kb2 Qc3 41.Kb1=; B) 34...Re6 35.Qc7 Kf8 36.Qd8 Re8 37.Qe8 Ke8 38.ab6 ab6-/+ (38...Qg3?! 39.ba7 Ng4 40.Kc4 Qc7 41.Kd3 Qg3 42.Kc4 Qc7 43.Kd3 Qg3=)) 32.Ke1=+ Qh1 33.Kd2 (33.Ke2 Qg2 34.Kd3 Re6 (34...Qg3 35.Qb7 Ke6 36.Qc6 Qd6 37.Qe8 Qe7 38.Qb8+=) 35.Qb7 Kf6 36.Rf1 Kg5 37.Rf5 Kf5 38.Qf7 Rf6 39.Qh5 Ke6 40.ab6 ab6 (40...Qg3 41.Qe8 Ne7 42.ba7 Qg6 43.Qg6 hg6 44.a8Q+-; 40...Nb6?! 41.Qe8 Kd6 42.Qe5 Kc6 43.Rc1 Kb7 44.Qe7 Kb8 45.Qd8 Kb7 46.Qe7 Ka8 47.Qd8 Kb7 48.Qe7=) 41.Qe5 Kf7 42.Qh5 Kg8 43.Ra8 Rf8 44.Rf8 Kf8 45.Qf5 Nf6 46.Qc8 Ke7 47.Qc7 Nd7-+) 33...Qg2 34.Kd3 Ne3?? (better 34...Re6 35.Qb7 Kf6 36.Rf1 Kg5 37.Rf5 Kf5 38.Qf7 Rf6 39.g4 Kg4 40.Qg7 Rg6 41.Qd7 Kg3-+) 35.Re1 (better 35.Qc7 Ke6 36.ab6+- (36.Ke3?? Rf3 37.Ke4 f5)) 35…Qc2 (35...Qc2 36.Qc2 Re6 37.Qc7 Kf8 38.Re3 Re3 39.Ke3 g6 40.Rc1 b5 41.Qe5 f6 42.Qf6 Ke8 43.Rc7 b4 44.Qe7). ClayPigeons (2210) - ruzomberok (2575), Rated Bullet game, lichess.org, 2020.

8.Qc2 Ne5 9.de5 Ne4 10.Nbd2 Nd2 11.Qd2 f6 12.c4 Be6 13.cd5 Bd5 14.ef6 Rf6 15.Qc3 Rc6 16.Qe5?? Bb4 17.Nd2 Bc3 18.Rb1 (18.Rb1 Be5 19.Rd1-+; 18.Qf4 Rf6 19.Qh4 Ba1 20.Bd3-+). BIGAL 1971 – Kuroro Lucifer, ChessWorld.net, 2005.

8.Nbd2 c5 9.Bd3 c4 10.Bc2 (10.Be2 Ne4 11.Ne4 de4=+) 10...Qa5 11.Nb1 Qb6 (11...Ne5 12.Ne5 Ba3 13.Qd2=) 12.Qc1 Ne5 13.Ne5 Bd6 14.Nf3 Qa5 (14...Bg4 15.Ne5-/+) 15.0-0 Rb8 16.Qd2 (16.Qb2 Bg4=+) 16…b5 (16...b5 17.Ne5 Qc7-/+) 0-1. algernon – bocaelmasgrande, net-chess.com, 2022.

8.Bf4 c5 9.dc5 Nc5 10.Be5 Nfe4 11.Be2 Be6 12.0-0 Rc8 13.Bd4 Re8 14.Nbd2 Bd6 15.h3 Qe7 16.a4 Bf5 17.a5 Ne6 18.Qb3 Nd4 19.cd4 Be6 20.Rfc1 Rc1 21.Rc1 Bb4 22.Ne4 de4=+ 23.d5 Bc8 24.Nd4= Ba5 25.Qa4 Bb6 26.d6 Bd7 27.Bb5 Bb5 28.Qb5 Qf8 29.Nf5 Rd8 30.Qe5 Re8 31.Ne7 Kh8 32.d7 Rd8 33.Rc8 h6 34.Nf5 Kh7 35.Qe8 Qa3 36.Nd4 Qa4 37.Qe4 g6 38.Qe8 Qd7 39.Rd8 Qd8 40.Qf7 Kh8 41.Ne6 Qd1 42.Kh2 Qa1 43.Qg6 Be3 44.fe3 b6 45.Qh6 Kg8 46.Qg6 Kh8 47.Qg5 Kh7 48.e4 Qb2 49.e5 Qe5 50.Qe5 (50.Qe5 Kg6 51.g4 Kf7 52.Ng5 Kg6 53.Qf5 Kg7 54.Qf7 Kh6 55.Qf6#) 1–0. Haertig,Manfred – Kahmann,Karl_Heinz, ESC, 2001.

8.Bf4 c5 9.Nbd2 Qa5 10.Qc2= c4 11.Be2 Nb6 12.a4 Bd7=+ 13.Bd1 Na4 14.Ra4 Ba4 15.Qa4 Qc3 16.0-0 Qb2 17.Qc2 Qc2-+ 18.Bc2 b5 19.Rb1 b4 20.Ne5 Rfc8 21.Ba4 a5 22.Bg5 h6 23.Bf6 Bf6 24.Nd7 Rc7 25.Nf6 gf6 26.Kf1 f5 27.Ke2 Kf8 28.Rc1 Rac8 29.h3 Ke7 30.Kd1 Kd6 31.Ra1 Rb8 32.Ra2 Rbc8 33.Bc2?? Ra7 34.Ba4 h5 35.h4 f4! 36.ef4 Rb8 37.Nb1 Re7 38.g3 Re4 39.Rd2 Ra8 40.Bc2 Re7 41.Ba4 ½–½. Luzuriaga,Norberto Horacio – Woelfelschneider,Peter, HFK.008, 2002.

8.Bf4 c5 9.Nbd2 Qa5 10.Qc2 c4 11.Be2= Nb6 12.a4 Bd7=+ 13.Bd1 Na4 14.Ra4 Ba4 15.Qa4 Qc3 16.0-0 Qb2 17.Qc2 Qc2-+ 18.Bc2 b5 19.Rb1 b4 20.Ne5 Rfc8 21.Ba4 a5 22.Bg5 h6 23.Bf6 Bf6 24.Nd7 Rc7 25.Nf6 gf6 26.Kf1 f5 27.Ke2 Kf8 28.Rc1 Rac8 29.h3 Ke7 30.Kd1 Kd6 31.Ra1 Rb8 32.Ra2 Rbc8?? 33.h4?? f4 34.ef4 Rb8 35.Nb1 Re7 36.g3 Re4 37.Rd2 Ra8 38.Bc2 Re7 39.Ba4 ½–½. Luzuriaga,Norberto Horacio – Woelfelschneider,Peter, HFK.008 TSC, 2002.

8.Bf4 c5 9.Nbd2 Qa5 10.Qc2 c4 11.e4 Ne4 12.Ne4 de4 13.Nd2 b5 14.Ne4 Bb7 15.Nd6 Bd6-+ 16.Bd6 Rfe8 17.Be2?? Be4 18.Qd2 Bd3 (18...Bd3 19.Be5 Ne5-+) 0–1. SWAT_TEAM – marekt, ChessWorld.net, 2004.

8.Bf4 Re8 9.Bd3 Nf8 10.0-0 Bg4 11.c4 c5 12.h3 Bf3 13.Qf3 cd4 14.cd5 Qd5 15.Qg3 de3 16.fe3 Qd3 17.Be5 Rac8 18.Kh2 Ng6 19.Bd4 Qf1 20.Nd2 Qe2 21.Nf3 Rc2 22.Bf6 Bf6 23.Rb1 Re3 24.Qb8 Nf8 25.Ne1 Ra2 26.h4 Qg4 27.Kg1 Re1! 28.Re1 Qg2# 0–1. madivashka – Eralos, ChessWorld.net, 2003.

8.Bf6 Nf6 9.Bd3 Re8 10.0-0 c5 11.dc5 Bc5 12.Nbd2 Qc7 13.Rb1 =+.

8.Bf6 Nf6 9.Be2 c6 10.0-0 Bf5 11.a4 a5 12.Nbd2 Qc7 13.Qb3 Bd6 14.Rac1 Rfe8 15.h3 Qd7 0–1. algernon (2555) – ichess (2480), net–chess.com, 2014.

8.Bg3 c5 9.Qc2 Re8 10.Nbd2 b6 11.Be2 Bb7 12.Rb1 Rc8 13.0-0 cd4 14.Nd4 Nc5 15.Bb5 Nfd7 16.N4b3 Nb3 17.Nb3 a6 18.Bd3 g6 19.a4 Bf8 20.Qe2 Rc3 21.Ba6 Ba6 22.Qa6 Nc5 23.Nc5 Bc5 24.Rfd1 Rc4 ½–½. Woelfelschneider,Peter (1795) – Reuter,Alfred (1820), ClassB–002 VCC, 2001.

8.Bg3 c5 9.Be2 Ne4 10.Bf4 Qb6 11.Qc2 Qg6 12.0-0 c4 13.Qb2= ½–½. Manohar – Barlow, email CTON, 1997.

9.Ne5 c6 10.Bd3= Qc7 11.0-0 Be6 12.c4 Bd6 13.Ndf3 h6 14.c5+= Be7 15.Qc2 Nd7 16.Nd7 Bd7 17.a4 Bf6 18.a5 Bg4 19.Nd2 Rab8 20.Ra3 Rfe8 21.Rb1 Bc8 22.Ra4 a6 23.Rab4 Ra8 24.Nb3 Be6 25.Qc3 Re7 26.h3 Qc8 27.Nd2 g6 28.e4 Bg7 29.e5+/- f5 30.Rb6 Kh7 31.Bc2 Ra7 32.Qg3 Qe8 33.Nf3 Bf8 34.Qh4 Kg8 35.Qg3 Kh7 36.Qh4 Kg8= ½–½. Zednik,Martin – De Visser,Arno, Orang–Utan Invitational, 2002.

9.Ne5 Nd7 10.Nd7 Bd7 11.Qf3 =+.

9.Ne5 Bf5 10.Ndf3 Ne4 11.Qb3 Bf6 12.Bd3 Re8 13.0-0 Be5-/+ 14.Ne5 Re5-+ 15.de5 Nc5 16.Qb5 Nd3 17.Rad1 c6 18.Qb7 Ne5 19.Rfe1 Qe8 20.Rd4 h6 21.f3? Nd3 22.Re2 Rb8 (22...Rb8 23.Qb3 Rb3 24.ab3 Nc1-+) 0–1. Berndt – Richter, corr thema, 1981.

9.de5 Nd7 10.Qc2 h6 11.Nbd2 +=.

9.de5 Ne4 10.0-0 Nc5 11.Bc2 f6 12.Bb3 (12.Nbd2 g6+=) 12...c6 13.ef6 Bf6 14.Nd4 Qe8 (14...Nb3 15.Qb3 c5 16.Ne2-/+) 15.Nd2 Nb3 16.ab3 (16.Qb3 Qg6 17.Kh1 Rf7-/+) 16...c5 17.Ne2 Bg4 (17...Bf5 18.Rc1-/+) 18.Rc1 (18.Nf3 Qc6+=) 18...a5 (18...Be5 19.f3 Bh5 20.Re1-/+) 19.Nf3 Rd8 20.Ne1?? (better is 20.Nf4-/+) 20...d4!-+ 21.Qd3 (21.cd4 cd4 Decoy; 21.ed4 Qe2 Pinning (21...Qe2 Deflection)) 21...de3 22.Qc4 Qe6 23.Qe6 Be6 24.c4 (24.fe3 Bb3 25.Ng3-+) 24...Rd2 25.Rc2 Bg4 26.Ng3 (26.Rd2 ed2 27.Nf3 Re8-+) 26...ef2 27.Rf2 Rf2 28.Rf2 Bd4 29.Ne4 Rf4 (29...Rf4 30.Nf3 Bf2 31.Nf2 Bf3 32.gf3 Rf3-+) 0–1. Baer,Cy (1895) – Paz,Gustavo (2075), CiF, 2007.

9.de5 Ne4 10.Qc2 f5 11.0-0 Nc5 (11...c6 12.Nbd2=) 12.Rd1 Bd7 13.Nbd2 Qe8 14.Nb3 Nd3 15.Qd3 c6 16.Nbd4 Rd8 17.a4 (17.Rab1 Bc8+=) 17...f4 18.e6 Bc8 19.ef4 Rf4 20.Ne5 Qh5 (20...Qf8 21.Nf7 Re8=) 21.g3 (better is 21.Re1!?+=) 21...Re4+= 22.f4 c5 23.g4 Qe8 24.Nb5 c4 (24...Qf8 25.Nf7 Rf4 26.Nd8 Qd8 27.Qg3+=) 25.Qg3 (25.Qf3 Bc5 26.Kh1-/+) 25...Bc5-/+ 26.Kg2 Qe6 27.Nc7 Qb6 28.Nd5 Qb2 29.Kh3 Re8 30.Rab1 Qa2 31.Ra1? Qe2 32.Ne7 Be7 33.Re1 Qb2 34.Rab1 Qc2 35.Re4 Qe4 36.Re1 Qc2 (36...Qc2 37.Qf3 Bf6-+) 0–1. Stefanov,Plamen (2425) – Mlynarcik,Stefan (2415), WCCC32SF02 ICCF, 2008.

9.Ne5 c5 10.c4 (10.dc5 Bc5 11.Nf3 Bg4=+) 10...cd4-/+ 11.ed4 dc4 12.Bc4 Bb4 13.Nd2?? (better 13.Kf1-/+) 13...Qd4-+ 14.Bf7 (14.0-0 Qe5 15.Nf3-+) 14...Rf7 15.Nf7 Bd2 16.Qd2 Qa1 17.Ke2 (17.Qd1 Qd1 18.Kd1 Kf7 19.Ke2-+) 17...Bg4 18.f3 Qh1 19.Nh6 gh6 20.Kf2 Qh2 21.Qd4 Qh4 22.g3 Qh2 (22...Qh2 23.Ke3 Qg1 24.Kd3 Qd1 25.Kc4 Rc8 26.Qc5 Qd5 27.Kc3 Rc5 28.Kb2 Qd4 29.Kb3 Be6 30.Ka3 Ra5) 0–1. petrobbo (2005) – Doppelbauer (1875), ChessWorld.net, 2009.

9.Ne5 Bd6 10.Nd2 Be5 11.de5 Ng4 12.Nf3 Re8 13.Qc2 g6 (13...h6 14.c4 dc4 15.Qc4 Ne5 16.Ne5 Re5 17.Rd1=+ –0.66) 14.c4 Ne5 (14...dc4 15.Bc4 Ne5 16.Ne5 Re5 17.0-0=+ –0.44) 15.Ne5 Re5 16.cd5 Rd5 17.Be4 (17.Bc4=+ –0.50) 17...Re5 18.0-0 Qe7 19.Bf3 c6 20.Rad1 Be6 21.Rd2 Rd8 22.Rfd1 Rd2 23.Qd2 Bd5 24.Bd5 Rd5 25.Qc2 Qe4-+ 26.Qc1 Qc4! 27.a3 Qc1 28.Rc1 Rd3 29.Ra1 b5 30.Kf1 c5 31.Ke2 c4 32.a4 a6 33.ab5 ab5 34.Rb1 Rd5 35.e4 Rc5 36.Kd2 f5 37.f3 Kf7 38.Kc3 Ke6 39.Kd4 Kd6 40.f4 fe4 41.Ke4 Rd5 42.Ra1 Rd2 43.Ra7 c3 (43...c3 44.Ke3 Rg2-+) 0–1. Goncalves,Claudio J – Johannes,Jan, corr TKM/A006, 1999.

9.Ne5 Bd6 10.f4 c5 11.Nd2 (11.0-0 c4 12.Bc2 Qb6=+) 11...cd4 (better 11...c4!? 12.Be2 Bf5-/+) 12.cd4= Be6 13.0-0 Rc8 14.Rc1 Qa5 15.a4 (15.f5 Rc1 16.Qc1 Bc8=+) 15...h6 (15...Rc1!? 16.Qc1 Qa4-/+) 16.Bc2 Rc3 17.Re1 (17.Qe1 Rc7 18.Qe2 Rfc8-/+) 17...Rfc8-/+ 18.h3?? (18.Re2 Bf5! 19.Nb3 Qa4-/+) 18...Bf5 (better 18...Qc7 19.Nec4 Bb4 20.Re2-+) 19.Nec4?? (better 19.Nb3 Bc2 20.Na5 Bd1 21.Rc3 Rc3 22.Nb7-/+) 19...R3c4 (better 19...dc4 20.Bf5 Rc1 21.Qc1 Qf5-+) 20.Nc4 Rc4?? (better 20...dc4 21.e4 Bh3 22.gh3 Bf4-+) 21.Bf5+/- Rc1 22.Qc1 g6 23.Bc2 Ne4 (23...Kg7 24.Qb1+-) 24.Be4 de4 25.Qd1 (25.Rf1 Qd8+-) 25...b5 (25...b6 26.Re2+-) 26.ab5+- Qb5 27.Qe2 (27.Qc2 Qe8+-) 27...Qb4 (27...Qe2 28.Re2 a5 29.Ra2+-) 28.Rc1 a5 29.Qc2 a4 (29...Qa3 30.Kf2+-) 30.Rb1 (30.Qe4 a3+-) 30...Qa5 31.Qe4 a3 32.Qc2 Bb4 33.Ra1 Bc3 34.Ra2 Bb2 35.Qb3 Qe1 36.Kh2 Kg7 37.Ra3 (37.d5!? Bc1 38.Ra3 Ba3 39.Qa3 h5+-) 37...Ba3 38.Qa3 Qd2? (better 38...h5 39.Qd3 h4+-) 39.Qe7 Qd3 (39...h5 40.Qe5 Kh7 41.f5+-) 40.Qe5 Kh7 41.d5 (41.d5 g5 42.fg5 hg5 43.d6+-) 1-0. algernon (2415) - gbsrao (2500), net-chess.com, 2022.

9.Ne5 Nd7 10.Nf3 (10.Nd7 Qd7 11.Nd2 Qc6=) 10...c5+= 11.Qc2 g6 12.c4 cd4 13.ed4 (13.Nd4 Bb4 14.Nd2 dc4 15.Bc4 Ne5=) 13...dc4 14.Bc4 Nb6 15.Be2 Bf5 16.Qd2 Rc8 17.0-0 Rc2 18.Qd1 Qd5 19.g4 (19.Bd3 Bd3 20.Qd3 Rfc8+= (worse is 20...Ra2 21.Nc3 Ra1 22.Nd5 Rf1 23.Kf1 Nd5 24.Qb1+/-)) 19...Be4-/+ 20.Nbd2 Bd6 (20...Rb2-/+) 21.Ne4 (better is 21.h3!? Bf3 22.Bf3 Rd2 23.Bd5 Rd1 24.Bf7 Kf7 25.Rad1-/+) 21...Qe4-+ 22.Bd3 Qg4 23.Kh1 Rc3 (23...Rb2 24.Rg1 Qf4 25.Rg2-+) 24.Re1 (24.Qe2 Nd5 25.Qe4 Nf4-+) 24...Nd5 25.Be4 Qf4 26.Kg1 (26.Kg2 Ne3! 27.Re3 Qg4 28.Kf1 Re3 29.fe3 Qe4-+) 26...Nf6 27.Bd3 Rfc8 (27...Qg4 28.Kh1 Qh3 29.Rg1-+) 28.Rb1 (28.h3 b5!-+) 28...h5 (better is 28...Qg4!? 29.Kh1-+) 29.h3 b5! 30.Re3 (30.Rb5 Rc1 Combination; 30.Bb5 Qf5 Double attack (30...Rf3 Pinning; 30...Rf3 Deflection; 30...Qf5 Decoy)) 30...b4 31.Qe2 Kg7 32.Rd1 Rc1 33.Kg2 (33.Ba6 R8c2 34.Qe1 Rd1 35.Qd1 Ra2-+) 33...Rd1 (33...Nd5!? 34.Re4-+) 34.Qd1 g5 (34...Nd5 35.Re1 Qf6 36.Bf1-+) 35.Ba6 (35.Qg1 Rc3 36.Kh1 g4-+) 35...Rd8 (35...Rc3 36.Rc3 bc3 37.Bb7-+) 36.Qb3 g4 37.Ne5 gh3 (better is 37...Be5!? 38.Re5 Rd4 39.Qg3-+) 38.Rh3 Be5 39.de5 Ng4 40.Rh5?? (better is 40.Qg3 Qe4 41.Kg1-+) 40...Qf2 41.Kh3 (41.Kh1 Qe1 42.Kg2 Rd2 43.Be2 Re2 44.Kf3 Qf1 45.Kg4 Re4 46.Kg3 Qf4 47.Kh3 Qg4 48.Kh2 Re2 49.Kh1 Qg2) 41...Qh2 42.Kg4 Rd4 0–1. Bessat,Remy – Vekemans,Denis, Saint–Quentin France, ChampionshipOpen–2015.

9.Nbd2 Ndf6 10.Ne4 Ne4 11.Bd3 c5 12.Qc2 Qa5 13.0-0 Bf5 14.dc5 Ng3 15.hg3 Bd3 16.Qd3 Rfd8 17.Rab1 Rab8 18.Qf5 Bf6 19.Rb3 Qc5 20.e4 b5 21.e5 Be7 22.e6 f6 23.Nd4 a6 24.Qh5 g6 25.Qg4 Qc4 26.Rd1 Qa4 27.Rd2 Rbc8 ½–½. Woelfelschneider,Peter – Milde,Lars, Tigerschachclub TRE, 2001.

10.0-0 Ng3 11.hg3 c5 12.dc5 Bc5 13.Nbd2 =+.

10.0-0 Ng3 11.hg3 Bg4 12.Qb3 =+.

10.Qc2 Bf5 11.Ne4 Be4 12.Bd3= b6 13.0-0 Bd3 14.Qd3 Ne4 15.Rac1 Ng3 16.hg3+= Bf6 17.c4 Rc8 18.cd5+/- Qd5 19.Qa6 Qa8 20.a4 Be7 21.a5 Bd6+= 22.Rfd1 Rb8 23.ab6 ab6 24.Qd3 Rfe8 25.Ng5 g6 26.Qc4 Re7 27.d5 h6 28.Nf3 Rbe8 29.Qh4 Kg7 30.Ra1 Qc8 31.Qd4 Kh7 32.Qf6 Qd8 33.Nd4 Qd7 ½–½. Manohar – Barlow, email CTON, 1997.

10.c4 dc4 11.Bc4 Bb4 12.Kf1 Be6 13.Be6 fe6 =+ (< 13...Ng3 14.hg3 fe6 15.a3=+).

10.Be5 Ng4 11.0-0 Bf5 =.

11.Nbd2 Ng3 12.hg3 c4 13.Be2 Bf5 14.Nh4 Be6 15.Rb1 Qc8 16.Qa4 Bd7 17.Qd1 Re8 18.Nhf3 Bf5 19.Ra1 Ba3 20.Nh4 Bd7 21.Rb1 b5 22.Nhf3 Rb8 23.Ne1 a5 24.Nc2 Bd6 25.a3 Bf5 26.Rb2 Qe6 27.Ra2 Ng4 28.Nf3 Bc2 29.Rc2? Ne3 (29...Ne3 30.fe3 Qe3 31.Kh1 Re6-+ (31...Bg3?! 32.Ng1=+; < 31...Ba3 32.Ne5-+)) 0–1. Milde,Lars – Trokenheim,Marek, TT–12, 2004.

11.Nfd2 Bf5 12.Ne4=+ Ne4 13.f3 Ng3-/+ 14.hg3 Bd3 15.Qd3 c4 16.Qc2 Bd6 17.f4 Re8 18.Re1 Qd7 19.Nd2 b5 20.e4 Bf8 21.ed5=+ Qd5 22.Re4 f6 23.Rae1=+ Re4 24.Qe4 Qe4 25.Re4 Kf7 26.Kf2 Rc8 27.Ke2 Rc6 28.a4 ba4 29.d5 Ra6 30.Rc4 a3 31.Rc7 Kg6 32.Rc6 Ra5-/+ 33.d6 a2 34.d7 Be7 35.f5? Kh6 36.Nb3 Rb5 37.Ra6 Rb3 38.Ra7? Rc3 39.Ra2 Rg3 40.Ra8-/+ Rg2 41.Kd3 Rg1 42.Ke2 Rg5-+ 43.Re8 Rf5 44.Re7 Rd5 45.Ke3 f5 46.Kf4 Kg6 47.Re6 Kf7 48.Re5 Rd4 49.Kf5 Rd7 50.Kg5 Re7 51.Kg4?? Re5 52.Kf4 Rf5 53.Kg3 Rf3 54.Kg2 Rg3 55.Kh2 g5 56.Kh1 g4 57.Kh2 0–1. Bulcourf,Carlos – Hoffman,Alejandro, Clarin, 1997.

11.Nfd2 Ng3!? 12.fg3 Qb6 -/+.

11.Nfd2 Bg4!? 12.Qb3 c4 13.Nc4 dc4 14.Bc4 Ng3 15.fg3 b6 -+.

11.Be5 c4 12.Bc2 Bg4 =+.

11.Bh4 c4 12.Be4 Ne4 13.Be7 Qe7 =+.

8.Qb3 b6=+ 9.Be2 c5 10.dc5 Bc5 11.Nd4= Bd4 12.cd4 Nc6 13.Bf6 Qf6 14.Nd2 Rac8 15.0-0= Na5 16.Qa4 g6 17.Rac1 Qe7 18.Bb5 Rc1 19.Rc1 Rc8 20.Rc8 Bc8 21.Qc2 Bf5 22.Qc3 Qd8 23.f3 h5 24.e4 Bd7 25.Bd7 Qd7+= 26.e5 Qa4= 27.Qb2 Nc4 28.Qb3 Qb3 29.Nb3= Kf8 30.Kf2 Ke7 31.h4 a5 32.Ke2 Na3 33.Kd3 Nb5 34.Nc1 Nc7 35.Ne2 Ne6 36.g3 b5= 37.Nc3 Nc7 38.g4 Kf8 39.gh5+= gh5 40.f4 f5 ½–½. Bieluszewski,Henryk (2000) – Lubas,Jozef, I Puchar Bieszczadow Poland, 1981.

8.Bd3 Nbd7 9.Bg3 h6 10.Nbd2 c5 11.Qc2 Rc8 12.Qb2 Nb6 13.0-0 Nh5 14.Rfc1 (14.Be5!?=) 14...Ng3+= 15.hg3 Bf6 16.a4 Qc7 17.Kf1 Rfd8 18.Ng1 (18.a5 Nd7+=) 18...Nc4 19.Nc4 dc4 20.Be4 cd4 21.cd4 c3 22.Qb7 Bc4 23.Ne2 Qd6 (23...Qa5 24.Bf3=) 24.Bf3 (24.Qa7 Ba6 25.a5+/-) 24...Rb8? (24...Rc7 25.Qe4=) 25.Qe4 (25.Qa7!? Rdc8 26.Bg4 Be2 27.Ke2+–) 25...Rb2 26.Rc2?? (better is 26.Rc3 Qa6 27.Re1 Qa4 28.Rec1+=) 26...Qa6-+ 27.Rd1 Qa4 (27...Bd5 28.Qf5 g6 29.Qd5 Rd5 30.Rb2 cb2 31.Bd5-+) 28.Rcc1-/+ Qb5 29.Re1 Re8 30.Qc6?? (better is 30.Qf4-/+) 30...Re2!-+ 31.Qe8 (31.Re2 Be2 Pinning; 31.Be2 Qc6 Deflection (31...Qc6 Overloading)) 31...Qe8 32.Be2 Qc6 33.Kg1 Be2 (better is 33...Bd5!? 34.Bf3 Bf3 35.gf3-+) 34.Re2 Be7 35.Ra2 Qb7 36.Rca1 Qb3 37.Ra7 c2 38.Re7 Qb1 (38...Qb1 39.Rb1 cb1Q 40.Kh2 Kf8-+) 0–1. Bogdanov,Nikita (1840) – Panov,Maksim (2090), Chelyabinsk RUS, 8th Kibizov Mem, 2013.

8.Qb3 Nbd7=+ 9.Nbd2 b6 10.c4= Be6 11.cd5 Bd5 12.Bc4 Bc4 13.Nc4 Ne5 14.de5 Ne4= 15.Rd1 Qc8 16.0-0 Qb7 17.Na5+= Qc8 18.Nc6 Re8 19.Nfd4 Bf8 20.f4 Nc5 21.Qb1 g6 22.f5+/- Bh6 23.Rf3 Kh8 24.Rh3 Bg7 25.Rf1 Qa6?? 26.fg6 (26.fg6 h6 27.gf7+–) 1–0. Alonso,Salvador – Seminara,J, ch–ARG q–final, 1996.

8.Nbd2 Nbd7=+ 9.Be2 (9.Qb3 Rb8=+) 9...Ne5 (9...Ne4 10.Qb3 Ne5 11.Ne5 Nd2 12.Kd2=+) 10.Ne5 Nd7 11.Nd7 Qd7 12.0-0 h6 (12...Rad8 13.Qb3=+) 13.Qb3 Rab8 (13...c5 14.dc5 Rac8 15.Bb5=) 14.Nf3 (14.c4 dc4 15.Nc4 Bf6=) 14...Bf6 (14...Bd6 15.c4=) 15.a4 c6 16.a5 b6 17.ab6 ab6 18.Ra6 Qb7 19.Rfa1 Ra8 20.h3 (20.Ra8 Ra8 21.Ra8 Qa8=+) 20...Ra6 (20...b5 21.Qa2 Ra6 22.Qa6=) 21.Ra6 Rb8 22.Qa3 Be7 23.Qa2 c5?? (better 23...Qc8=) 24.Ra7+- Qc6 25.Re7 Ra8 26.Ra7 Ra7 27.Qa7 cd4 (27...f6 28.Qb8 Kh7 29.c4+-) 28.cd4 (28.Nd4 Qg6+-) 28...Qc1 (28...f6 29.Nd2+-) 29.Kh2 Qc6 (29...Be4 30.Qb6 Kh7 31.Qa5+-) 30.Ne5 Qd6 1-0. agustinwyatt (2305) - Darkb0ne (1940), Rated Blitz tournament, lichess.org, 2016.

8.Be2 Nbd7 9.0-0 c6 10.Nbd2 Ne4=+ 11.Ne4 de4 12.Nd2 Bf5 13.c4 b6 14.Bg4?? Bg6?? 15.Bh5?? Nf6?? 16.Bg6+/- hg6 17.Qc2 Kh7 18.Ne4+– Rh8 19.Ng5 Kg8 20.h3 Nd7 21.Nf3 Bf6 22.Bf6 Qf6 23.Qe4 Rd8 24.Rfe1 g5 25.Qg4 Nf8 26.Qg5 Qd6 27.Rab1 Ne6 28.Qf5 Rh6 29.Ng5 Ng5 30.Qg5 Rg6 31.Qf5 Rf6 32.Qc2 Rg6 33.c5 bc5 34.Qc5 Qd7 35.g4 Qe6 36.Qa7 Rh6 37.Kg2 Qe4 38.f3 Qe6 39.Rb8 Rb8 40.Qb8 Kh7 41.Qb3 Qf6 42.a4 Qh4 43.Rh1 Rf6 44.Qc2 g6 45.f4 Re6 46.Qf2 Qe7 47.Re1 Qb4 48.Qh4 Kg7 49.f5 Re4 50.f6 Kg8 51.Qh6 Qf8 52.Qf8 Kf8 53.Kf3 Re8 54.g5 Rb8 55.Rc1 Rb6 56.Rc5 Ke8 57.d5 cd5 58.Rd5 Ra6 59.a5 Re6 60.Kf4 Ra6 61.h4 Rc6 62.Re5 Kd8 63.Re7 Ra6 64.Rf7 Ra5 65.Rg7 Rf5 66.Ke4 Rf1 67.Rg6 (67.Rg6 Ke8 68.h5+–) 1–0. marnzell – DanielMena, ChessWorld.net, 2007.

8.Be2 Nbd7 9.Nbd2 c6 10.0-0 Ne4 11.Qc2 Nd2 (11...Ne5 12.de5 Nd2 13.Qd2=+) 12.Qd2 Bf3 13.gf3 (13.Bf3 Ne5 14.de5 Bc5=+) 13...Ne5-/+ 14.de5 f6 15.f4 Qc7 (15...fe5 16.fe5 Bc5 17.Kh1-/+) 16.ef6 (16.Qd4 fe5 17.fe5 Rad8-/+) 16...Rf6 (16...Bf6 17.Rfd1-/+) 17.Kh1 (17.c4 d4-/+) 17...Rh6 (17...Rd8 18.Rg1-/+) 18.Rab1 (18.c4=+) 18...g5 (better 18...Rd8!?=+) 19.c4= gf4 20.ef4 (20.Rg1 Kf7 21.Qb2 Rg8 22.Rg8 Kg8 23.Qb7 Qe5 24.Qb8 Qb8 25.Rb8 Kf7 26.ef4 Rh4=) 20...Bd6 (20...Rd8 21.cd5 cd5 22.Rg1 Kh8 23.Bf3=) 21.Rg1+= Kf7 (21...Kf8 22.Rg4 Rg6 23.Qc3+=) 22.Qd4 (22.Qd3 Kf8= (22...Bf4 23.Qf5 Rf6 24.Bh5 Ke7 25.Rg7 Kd6 26.Qf6 Kc5 27.Rc7 Re8 28.Rb5 Kc4 29.Rc6 Kb5 30.a4 Ka4 31.Qd4 Kb3 32.Rc3 Ka2 33.Qa4 Kb2 34.Qc2 Ka1 35.Ra3)) 22...Rg8+– 23.Bh5 Rgg6 (23...Rh5 24.Rg8 Kg8 25.Rg1 Kf7 26.Rg7 Ke6 27.Rc7 Bc7 28.Qh8+– (worse 28.Qa7 Bf4 29.Qb7 Rh2 30.Kg1 dc4+–)) 24.Rg5 Be7 (24...dc4 25.Re1 (25.Qc4?! Kf8 26.Rf5 Kg7+–; 25.Bg6?! hg6 26.Qc4 Kf6+–) 25...Qb8 26.f5+–) 25.Re5 Bf6 26.Bg6 hg6 27.Qa7 (27.Qa7 Be5 28.Rb7 Bf4 29.Rc7 Bc7 30.Qc7 Kf8 31.Qd6 Kg7 32.cd5 cd5 33.Qd5+–) 1–0. pierred – mgilbert, net–chess.com, 2017.

8.d4 b6 9.Bd3 c5 10.0-0 Nc6 11.Nbd2 Re8 12.Qc2 h6 13.Rab1 c4 14.Bf5 Bf5 15.Qf5 Ne7 16.Qh3 a6 17.a4 Nc8 18.Rfe1 Nd6 19.Qh5 Ne4 20.Ne4 Re4 (< 20...de4 21.Nd2+/-) 21.Nd2 Re6 22.e4 (22.Qf5 Bh4 23.Nf3 Be7+=) 22...Bg5=+ 23.Nf3 g6 24.Qg4 de4 25.Ng5 hg5 26.Rb4 Rc8 27.Qe2 Qd5 28.Qg4 Rce8 29.Re3 f6 30.h4= b5 ½–½. Benussi,Alberto – Bilsel,Sabahaddin, TKM/SF/01, 2001.

8.d4 c5 9.dc5 Nc6 10.Bd3 Bg4 =.

8.d4 c5 9.dc5 Be6 10.Bd3 Nd7=+ 11.Qc2 g6 12.0-0 Nc5 13.Nd4 Rc8 14.Rc1 Qa5 15.a4 Nd3=+ 16.Qd3 Rc4 17.Qd1 Rfc8 18.Nb3 Qc7 19.a5 Be5-/+ 20.h3 Qe7 21.N3d2 R4c7 22.Nf3 Bg7 23.Nd4 Rc4 24.Qd2 Qg5 25.a6 ba6 26.Nf3 Qe7 27.Ra6 Qb7 28.Ra3 a6 29.Rd1 Rb8 30.Ra1 Bd7 31.Nd4= Ra4 32.Na3 Qc7 33.Nac2 Rb2 34.Qd3 Ra1 35.Ra1 a5 36.Na3 a4 37.Rc1 Bf8 38.c4 Rb8 39.c5 Bc5 40.Nab5 Bb5 41.Nb5 Qc6 42.Nc3 Ba3-/+ 43.Rc2 Rb2 44.Rc1 Rb3-+ 45.Rc2 Bb4 46.Na2 Rd3 47.Rc6 Rd1 48.Kh2 Be1 49.Rc2 a3 50.Kg3 Rb1 51.Rc1 Rc1 52.Nc1 Kf8 53.Kf3 Bd2 54.Na2 Ke7 55.Ke2 Ba5 56.Kd1 Kd6 57.Kc2 Be1 (57...Be1 58.f3 f5-+) 0–1. Hoch,Hubertus (2320) – Schaefer,Dirk (2225), remoteschach.de, 2004.

8.d4 c5 9.dc5 Be6 10.Nd4 Nd7 11.Bd3 Nc5 12.0-0 Rc8 13.Bc2 Ne4 14.Ne6 fe6 15.Be4 de4 16.Qa4 Qd3 17.Qa7 Be5 18.g3 Qb5 19.Qa3 Ra8 20.Qc1 ½–½. Sala,Stefano – Martins,Karin, IECG, 2004.

8.d4 Re8 9.Bd3 b6 10.0-0 c5 11.Qc2 g6 12.Qb2 Nc6 13.Nbd2 Bg7 (13...Bg4 14.Rab1=+) 14.Rab1= Bg4 15.h3 Be6 16.Qa3 Qe7 17.Rfe1 Rac8 18.Bb5 Bf5 19.Rbd1 cd4 ½–½. Benussi,Alberto – Boronka,Joseph, TKM/SF/01, 2001.

8.d4 Bg4 9.Bd3 Nd7 10.h3 Bh5 11.Nbd2 Re8 12.Qb1+= Bg6 13.Bg6 fg6 14.Qb7 Nb6 15.0-0 Qd6 16.Qa6 c5 17.Rfb1 cd4 18.cd4 Rec8 19.Rb5 Rc6 20.Rab1 Qc7 21.Nb3 Nc4 22.Qb7 Qb7 23.Rb7 a5 24.Nc5 Bd8 25.Rb8 Rc8 26.Ra8 Ra8 27.Ne6 g5 28.Rb5 Nb6 29.Nd8 (29.Nd8 g4 30.hg4 Rd8 31.Rb6+–) 1–0. Hoch,Hubertus (2165) – Maier,Ralf (1840), remoteschach.de, 2004.

7.a3 Ba5 8.Be2 Ne4 9.Nb1 Ne5 10.Ne5 Qf6 11.f4 Qh4 12.g3 Ng3 13.Nf3 Qh5 14.Rg1 Ne4 15.Kf1 Re8 16.Rg2 Bh3 17.Ng5 Bg2 18.Kg2 Qh4 19.Nf3 Qf2 20.Kh1 Re6 21.Qf1 Ng3 0–1. tflk (1735) – rcm06 (2180), gameknot.com, 2014.

7.Qb1 c5 8.a3 Ba5 9.Bf4 Bc3 10.dc3 Ne4 11.Bd3 Nc3 12.Qb2 Qa5 13.0-0 Nb6 Black prepares the advance c4 14.Rfe1 Nba4 15.Qc1 c4 16.Bf1 Bg4 17.Nd4 Rfe8 18.h3 Bh5 19.Nf5 Qb6 20.Qd2 Rad8 21.Qd4 Qd4 22.ed4 Bg6 23.Ne7 Kf8 24.Ng6 hg6 25.Bc7 Rd7 26.Re8 Ke8 27.Be5 f6 28.Bf4 Re7 29.Be3 Nb2 30.Bd2 Ne2 (30...Nbd1!?-+) 31.Be2-/+ Re2 32.Re1 Re1 33.Be1 b6 34.Kf1 a5 35.Ke2 Ke7 36.h4 Ke6 37.f3 Kd7 38.Bc3 Na4 39.Be1 Ke6 40.Ke3 Kf5 41.g4 Ke6 42.Ke2 f5 43.Ke3 Nb2 44.Kf4 Kf6 45.gf5 gf5 46.h5 Nd1 (46...c3!?-/+) 47.Bh4= Kf7 48.Bd8 a4 49.Bb6 (49.Kf5? b5 50.Ba5 Ne3 51.Ke5 Nc2 52.Kd5 Na3-+) 49...Kf6 50.Bd8 Kf7 (50...Ke6!?+=) 51.Ke5+/- (worse is 51.Kf5 Ne3 52.Ke5 c3= (worse is 52...Nc2 53.Ba5+/-)) 51...Ne3 52.c3 1–0. Idelis – Amendoeirix, playchess.de, 2004.

7.Rb1 Ba5 8.Bf6 Nf6 9.Qc1 Bc3 10.dc3 Re8 11.Qa3 Ne4 12.Bd3 c5 13.0-0 Bg4 -/+.

7.Nb5 Ne5 8.Ne5 c6 9.Nd4 c5 10.Nb3 Ba3 11.Rb1 a5 12.Be2 Ne4 13.0-0 Re8 14.Nf3 Bd7 15.d3 Nc3 16.Qd2 d4 17.Rbe1 a4 18.Nc1 Bb4 19.a3 Nb1 20.Qd1 Be1 21.Qe1 Na3 22.ed4 Nc2 23.Qc3 Nd4 24.Bd1 Bc6 25.Nd2 a3 26.Na2 Qd5 27.Ne4 Qa2 28.Qc5 Qb2 29.Nc3 a2 30.Na2 Ra2 31.Bh5 Qf2 32.Rf2 Re1 33.Rf1 Rg2 Time forfeit 0-1. Ivan28 (1715) - bitwizardry (2560), Rated Blitz tournament jiYBXTK4, lichess.org, 2015.

7.Bf6 Nf6 8.Ne2 (8.Bd3 A) 8...c5 9.Nb5 (9.0-0 Re8 10.a3 Bc3 11.dc3 c4 12.Be2 Ne4-/+) 9...Qa5 10.c3 c4 11.Bc2 Bc5 12.Nbd4 Re8=+; B) 8...Qe7 9.0-0 c6 10.Ne2 Re8 11.Ned4 Ne4 12.c3 Bd6=+; C) 8...Re8 9.Nb5 (9.Rb1 Bc3 10.dc3 c5 11.0-0 c4 12.Be2 Ne4-/+; 9.a3 Bc5 10.Qb1 c6 11.0-0 Ne4 12.Qb3 Qf6-/+; 9.0-0 Ne4 10.Nb5 Bg4 11.Rb1 Ba5 12.c3 c5-/+; 9.Ne2 Ne4 10.Rb1 Bd6 11.0-0 c6 12.Ned4 a6-/+) 9...a6 10.Nbd4 Bf8 11.Bf5 Bf5 12.Nf5 Qd7-/+; 8.a3 Bc3 9.dc3 Be6 10.Qd4 Qe7 11.c4 c5 12.Qe5 Rfd8=+) 8...c5 (8...Qe7 9.Ng3 Bg4 10.h3 Bd7 11.Rb1 Ne4 12.Ne4 de4-/+; 8...Re8 9.Ned4 (9.Ng3) 9...Bd6 10.Bb5 Re7 11.Bd3 c5 12.Nf5 Bf5=+) 9.Ng3 (9.c3 Ba5 10.Ng3 Re8 11.Be2 Bc7 12.0-0 Ne4=+; 9.Rb1 Qe7 10.c3 Ba5 11.Ng3 Bc7 12.Be2 Rd8=+; 9.a3 Ba5 10.Ng3 Ne4 11.Rb1 Qf6 12.Nh5 Bd2-/+; 9.Nf4 c4 10.Be2 Bd6 11.0-0 Re8 12.g3 Bf4-/+) 9...Ne4 (9...c4 10.Be2 c3 11.d4 Ba3 12.Rb1 Bb2=+) 10.Be2 (10.Bd3 Re8 11.c3 Ba5 12.Rb1 Bc7=+) 10...Bg4 11.c3 (11.Ne4 de4 12.c3 Ba5-/+) 11...Ba5 (11...Nc3 12.dc3 Bc3 13.Nd2 Be2 14.Ne2 Ba1 15.Qa1-/+; 11...Bf3 12.Bf3 Nc3-/+) 12.0-0 Bc7 13.Qc2 Re8 14.c4 b6 15.d4 (15.cd5 Ng3 (< 15...Qd5 16.Bc4 Qc6 17.Ne4 Re4 18.Ng5+/-) 16.fg3 a6=) 15...cd4 16.Nd4 Be2 17.Qe2 Bg3 18.fg3 Rc8 19.Rac1 dc4 20.Rc4 Rc4 21.Qc4 Nd6 22.Qb3 Qg5 23.Re1 Qc5 24.Qd3 b5 25.Kf2 (25.g4 a6-/+) 25...a6-/+ 26.Re2 (26.Kg1 Nc4-/+) 26...Nc4 27.Kf1 h6 28.Qc3 (28.Kg1 Qe5-/+) 28...Qh5 29.Kg1 Qg6 30.Re1 Qe4 31.Nc2 (31.Qc2 Re7-/+ (< 31...Ne3 32.Qe4 Re4 33.Nf5+=)) 31...Rd8 32.Nd4 Ne3! 33.Nf3 (33.Qe3 Rd4; 33.Re3 Qb1 (33...Rd4)) 33...Rd1 34.Rd1 Nd1 35.Qc8 Kh7 36.h4 (36.h3 Ne3-+) 36...Ne3 37.Qc1 Qd3 38.Qe1 Qd1 39.Kf2 Qe1 40.Ne1 Nd1 41.Kf3 b4 0–1. Sawamura,Tetsushi – Sakai,Kiyotaka, JPN op3 email, 2001.

7.Bg3 Bc3 8.dc3= c6 (8...Qe7 9.c4 Nb6 10.cd5 Nbd5 11.c4 Nc3 12.Qb3=; 8...Nc5 9.c4 c6 10.Qd4 Qa5 11.Qd2 Qa4 12.cd5=+; 8...Nb6 9.c4 Nc4 10.Bc4 dc4 11.Qd8 Rd8 12.Bc7=; 8...c5 9.c4 d4 10.ed4 Re8 11.Be2 Ne4 12.Qd3=+) 9.Bd3 (9.c4 Ne4 10.cd5 Qa5 11.Nd2 cd5=+ 12.Bf4=+) 9...Qa5-/+ 10.Qd2 (10.0-0 Qc3 11.Bd6 Re8 12.Rb1-/+) 10...Nc5 (10...Ne4!? 11.Be4 de4-/+ 12.Nd4-/+) 11.c4= Qd2 (11...Qa4 12.cd5=) 12.Nd2 Nce4 (12...Rd8 13.Be5=) 13.Be4 (13.cd5 Ng3 14.hg3 cd5+=) 13...Ne4 14.cd5 cd5 15.Nb3 Be6 16.Nd4 Rfc8 17.0-0 (17.a3 Rc3=) 17...Rc4 18.a3 Rac8 19.Rfb1 b6 20.Rb4 R8c5 (20...Ng3 21.hg3 Rc3 22.Rb3=) 21.Be5 (21.Bb8 Ra5 22.Rc4 dc4=) 21...Bd7 22.f3 Ng5 (22...Ra5 23.Nb3 (< 23.fe4 Rb4 24.Bd6 Rb2-/+) 23...Rb4 24.Na5=) 23.h4 (23.Rd1 Rc8=) 23...Ne6 24.Ne6 fe6 25.c3 b5 26.Bd4 Rc7 27.f4 h5 28.Kf2 ½–½. Makowski,Zbigniew – Sternik,Ryszard, Nidzica Poland, 1973.

7.Bg3 c6 8.a3 (8.Be2 Bc3 9.dc3 Ne4=+) 8...Bc3 9.dc3 Qa5 10.Qd4 c5 11.Qd3 Ne4 12.Nd2 Qc3 (< 12...Nc3 13.Nb3 c4 14.Na5 cd3 15.cd3+=; 12...Ng3?! 13.hg3 Nf6 14.c4-/+) 13.Qc3 Nc3 14.a4 Re8 15.Bd3 Nf6 16.Nb1 Nb1 (16...Nce4 17.Bf4-/+) 17.Rb1 c4 18.Be2 Ne4 19.Bf3 (19.Rd1 Nc3 20.Rd2 Bf5-/+) 19...Ng3 20.hg3 d4 21.0-0 de3-+ 22.fe3 Rb8 23.Bd5 Re7 24.Rf7-+ Rf7 25.Rf1 Be6 26.Be6 Rbf8 27.Bc4 g6 28.e4 Kg7 29.Bf7 Rf7 30.Rf7 Kf7 31.Kf2 Ke6 32.Ke3 Ke5 33.c4 h5 34.a5 b6 35.a6 g5+/- 36.Kd3 Ke6 37.Kd4+– Kd6 38.e5 Ke6 39.Ke4 h4?? 40.g4 Ke7 41.Kf5 (41.Kf5 h3 42.gh3+–) 1–0. Franco,E – Do Brito,O, Central I – Villarro, 1991.

8.Bf6 Nf6 9.Qb1 Bc3 -+.

8.Be2 Bc3 9.dc3 Nfe4 (9...Nce4 10.c4 (10.0-0 Nc3 11.Qe1 Ne2 12.Qe2 Bg4 13.Qb5 Bf3 14.gf3 Qc8) 10...Be6 (10...Bg4 11.h3 Be6 12.0-0 dc4 13.Qd8 Rad8 14.Bc7 Nc3; 10...Qe7 11.cd5 Qb4 12.Kf1 Nc3 13.Qd4 Qd4 14.Nd4 Nfd5) 11.0-0 Qe7 12.Nd4 dc4 13.f3 Nc3 14.Qd2 Ne2) 10.c4 Nc3 (10...c6 11.0-0 dc4 12.Bc4 Be6 13.Bb3 Qa5 14.Nd4 Rad8; 10...g5 11.Bg3 c6 12.0-0 dc4 13.Bc4 Bg4 14.Qd4 Bf3; 10...Be6 11.cd5 Bd5 12.0-0 Ne6 13.Qd3 Re8 14.Rfd1 Qe7; 10...dc4 11.Qd8 Rd8 12.Bc7 Rd7 13.Rd1 Rd1 14.Bd1 Be6) 11.Qd2 (11.Qd4 N5e4 12.cd5 Qd5 13.Bd3 Be6 14.Qd5 Bd5) 11...N5e4 12.Qd3 Re8 (12...Bd7 13.Nd2 (13.Ne5 g5 14.Nd7 Qd7) 13...dc4 14.Nc4 Ne2 15.Ke2-/+) 13.cd5 Ne2 14.Ke2 Bf5 15.Qd4 Qd5!? 16.Qd5 Nc3 17.Kd2 Nd5 18.Bg3 Rad8 19.Kc1 c5 20.Rb1 b6 21.Rb3 f6 22.Kb2 Ne7 23.Ra3 Nc6 24.Nh4 Be6 25.e4 Rd4 26.Re1 Rb4 27.Kc1 Nd4 28.Ra7 Rc4 29.Kb1 Nb5 30.Ra6 Rb4 31.Kc1 Nc3 32.Kd2 Ne4 33.Kc1 Nc3 34.Re3 Rb1 35.Kd2 Nd1 36.Re6 Re6 37.Nf5 Re8 38.Ra7 Nf2! 39.Bf2 Rf1 40.Ne7 Re7! 41.Re7 Rf2 42.Kc3 Rg2 43.Rb7 Rh2 44.Rb6 Rh4 45.Rc6 h5 46.Rc5 g5 47.Rf5 Kf7 48.Rf1 Ra4 49.Kb3 Ra8 50.Rh1 Kg6 51.a4 g4 52.c3 Kg5 53.Kc2 f5 54.Kd3 Ra4 55.c4 h4 56.c5 Ra8 57.c6 Rc8 58.Kc4 Rc6 59.Kd5 Rh6 60.Kd4 h3 61.Kd3 h2 62.Rb1 g3 (62...g3 63.Ke2 g2 64.Rb8 h1Q 65.Rg8 Rg6 66.Rg6 Kg6 67.Kf2 g1Q 68.Ke2 Qe4 69.Kd2 Qge1#) 0–1. Winiger,Albert (2340) – Spiegel,Ulrich (2365), RSM2007 remoteschach.de, 2009.

8.Be2 Nfe4 9.Ne4 de4 10.Nd4 Ne6 (10...Ne6 11.Ne6 Be6=). aschellen (1800) – Grumpy (2005), internet, 2007.

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

6.c4 Bf5 7.Bb2 c5 8.cd5 Nd5 9.Nc3 Nc6 10.Be2 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.Nc3).

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

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

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

7.Be2 Nc6 8.Bb2 Re8 9.a3 Ba5 10.0-0 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.c4).

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

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

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

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

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

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

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

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

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

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

7.Bb2 c5 8.Be2 Nc6 9.cd5 Nd5 10.0-0 Bf6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2 Bf6).

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

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

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

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

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

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

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

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

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

7.Be2 c5 8.0-0 Nc6 9.Bb2 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.c4).

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

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

7.Bc3 Nc6 8.a3 Ba5 9.0-0 d4 10.Bb2 Qb6 11.Bc1 de3 12.de3 (12.fe3 Re8+=) 12...Be6 13.Nbd2 Rfd8 14.Rb1 Qc7 15.Bd3? (better is 15.Ng5+=) 15...c4!-+ 16.Bh7 (16.Nc4 Bc4 Combination; 16.Bc4 Bc4 Combination) 16...Nh7 17.Nd4 (17.Qe2-+) 17...Nd4 18.ed4 Rd4 19.Qf3 (19.Qe2-+) 19...Bd2 20.Rb7 Qd8 21.Bb2 (21.Bd2 Bd5 22.Qg3 Rd2 23.Rbb1-+) 21...Bd5 22.Bd4 (22.Qe2 Bb7 23.Bd4 Qd4-+) 22...Bf3 23.gf3 Qd4 24.Rfb1 Ng5 25.R1b5 Nh3 26.Kg2 Qf2 27.Kh3 Qf3 28.Kh4 Be1 29.Kg5 f6 30.Kg6 Qg4 31.Rg5 Qg5 0–1. esau – pierred (2795), net–chess.com, 2016.

7.Nc3 Bc3 8.Bc3 Nc6 (8...Ne4 9.Bb2) 9.0-0 =.

7.Nc3 Re8 8.Bf6 Qf6 9.Nd5 Qg6 10.Nf4. Adam.

7.c4 Be6 8.Qc2 Nbd7 9.0-0 Ne5 10.Ne5 Qc7 11.cd5 Qe5 12.Nc3?? Nd5-+ 13.f4 Qc7 14.Nd5 Bd5 15.Kh1 Rad8 16.Rfc1 Bd2! 17.Rd1 Be3 18.Qf5 Bc6 19.Rf1 Rd2 20.Bf3 Rfd8 21.Be4 Be4 22.Qe4 Bd4 23.Rfe1 h6 24.Rab1 b6 25.a4 Bf6 26.a5 Qd6 27.h3 Rd4 28.Qb7 Rd7 29.Qf3 Rd8 30.a6?? Qf4-+ 31.Qf4 Rf4 32.Kh2 Rf2 33.Rbd1 Rd1 34.Rd1 Ra2 35.Re1 Ra6 0–1. tightfist (2225) – lsanchez (2355), net–chess.com, 2008.

7.Bg3 Ba5 8.0-0 Nc6 9.c3 Ne4 10.Bh4 Qd6 11.Qc2 Qg6 =+.

8.Nc3 Ne4 9.Na4 Qe8 10.c3 Bd7 11.Nb2 Nc6 =+.

8.c4 Nc6 9.Bb2 dc4 10.Na3 (10.Bc4 a6 11.a4 Bg4 12.d3 Nd7 13.h3 Bh5=+) 10...c3 11.Bc3 Bc3 12.dc3 Bf5 13.Qb3 Ne4=+.

8.c4 Nc6 9.Bc3 A) 9...Be6 10.cd5 (10.Qa4 Bc3 11.dc3 Qe7 12.cd5 Bd5 13.Rd1 Rad8=+) 10...Nd5 11.Qc2 Bc7 12.Rd1 Qe7 13.Qb2 f6=; B) 9...dc4 10.Qa4 (10.Bc4 Bg4 11.Bb5 Rc8 12.h3 Bh5 13.Be2 Bc3=+) 10...Ne4 11.Qc4 Re8 12.Rd1 Bf5 13.Ba5 Na5=; C) 9...d4 10.Ba5 Qa5 11.ed4 cd4 12.d3 Re8 13.Nbd2 Qc7=+.

8.c4 Nc6 9.d4 cd4 (worse 9...Ne5 10.de5 (worse 10.Ne5 Re8=+ 11.cd5 cd4 12.Qd4 Qd5 13.Qd5 Nd5=+) 10...Ne4 11.Qd5+= Bc3 12.Nc3 Nc3 13.Qd3 Qd3+=; 9...dc4 10.Bc4 Bg4 11.h3 Bf3 12.Qf3 cd4 13.Bf6 Qf6=+) 10.Bd4 dc4 11.Bc4 Nd4 (11...Bg4 12.Bc5 Re8 13.Qb3 Qc7=+) 12.Nd4 (12.Qd4 Bg4 13.Nbd2 Qd4=) 12...Qd6 13.Nb3 (13.Qd3 Ng4= (13...Rd8 14.Qb3 Rd7=)) 13...Qc7 (13...Qe5 14.N1d2=+) 14.Na5= Ng4 15.g3 Qa5 16.Qd5 Qc7 17.Na3 (17.Rc1 Rd8 18.Qh5 Be6=+) 17...Be6=+ 18.Qd4 Ne5 19.Be2 Qa5 20.Qe4 Rfd8 21.Nc4 Bc4 22.Bc4 Nc4 23.Qc4 b5 24.Qc5 Rac8 25.Qe7 h6 26.a3 ½–½. Woelfelschneider,Peter – Wochnik,Manfred, O–G–2 ETC, 2004.

8.c4 Nc6 9.Bf4 Bg4 (9...dc4 10.Bc4 a6 11.a4 Bg4 12.h3 Bh5 13.Nc3 Bc7=) 10.Qc2 (10.Qb3 Qd7 11.Nc3 d4 12.Nd5 Nh5 13.Rab1 Nf4=+) 10...Re8 11.h3 Bh5 12.Qb2 Qd7 13.d3 d4=+.

8.d4 c4 9.a3 Nc6 10.Ra2 Ne5 11.Ne5 Qe7 =+.

8.Bf4 Nc6 9.d4 c4 10.a3 Re8 11.Ne5 Ne5 =+.

8.a3 Ba5 9.a4 Ne5 10.Ne5 Re8 11.Nd3 Qd6 12.Nc3 a6 13.Nf4 Bc7 14.Bf3 (14.g3!?-/+) 14...g5-+ 15.Nfd5?? (better is 15.Ncd5 Nd5 16.Bd5 gf4 17.e4-+) 15…Qh2# 0–1. Neumann,Frank (1650) – Dorer,Manfred (2445), RSX15E – Maiturnier–1, 2009.

8.a3 Ne5 9.Ne5 Ba5 10.d4 cd4 11.ed4 Ne4 =+.

8.Bb2 Qe7 9.c4 dc4 10.Bc4 Bg4 11.Be2 Rfd8 12.Qc2 Rac8 13.a3 Ba5 14.h3 Bh5 15.Qa4 a6 16.Qh4 Bg6 17.d4 cd4 18.Nd4 Nd4 19.Bd4 Nd5 20.Qe7 Ne7 21.Bf3 b6 (21...Nc6 22.Bb2+=) 22.Be2 (22.Bb7 Rc2 23.Rd1 Nc6+=) 22...Nf5 23.Be5 Rc2 24.Ba6 Ne3 25.fe3 Be4 26.Bd4? (better is 26.Rf2 Rd1 27.Bf1+=) 26...Rd4! 27.ed4 Rg2 28.Kh1 Ra2 (28...Rg5 29.Kh2 b5 30.Rc1 Rg2 31.Kh1 Rc2 32.Kg1 Rc1 33.Kf2 Bb1 34.a4-+) 29.Kg1 Ra1 30.Nd2 Rf1 (30...Bd2?! 31.Ra1 Bc3 32.Rd1+=) 31.Nf1 Bc3 32.a4 Bd4 33.Kh2 Be5 34.Kg1 Bc6 35.Bb5 Bb5 36.ab5 Bf4 37.Kf2 g5 38.Kf3 f5 0–1. Ivanets,Vladimir (2230) – Suba,Mihai (2500), World Seniors, Condino ITA, 2009.

8.Bb2 h6 9.a3 Ba5 10.Ne5 Re8 11.Nc6 bc6 12.c4 d4 13.ed4 Rb8 14.Qc2?? (better is 14.Bc3 cd4 15.Ba5 Qa5 16.Bf3-/+) 14...Re2-+ 15.dc5 Nh5 (worse is 15...Bd2 16.Nd2 Qd2 17.Qd2 Rd2 18.Bf6 gf6 19.Rfd1-+) 16.Bc3 Nf4 17.Ba5 (17.g3-+) 17...Nh3 18.gh3 (18.Kh1 Nf2 19.Kg1 Qd4 20.Qf5 Bf5 21.h3 Ng4 22.Kh1 Qf4 23.Rf4 Re1 24.Rf1 Rf1#) 18...Qg5 (18...Qa5?! 19.Nc3 Re8 20.Rfe1 Bh3 21.Ne4=) 19.Kh1 Bh3 20.Rg1 (20.Qh7 Kh7 21.Rg1 Re1 22.Re1 Qg2#) 20…Qg1!! (20...Qg1 21.Kg1 Re1#) 0–1. Neumann,Frank – Kolanek,Roman (2040), OP–2011–0-01888, 2011.

8.Bb2 h6 9.c3 Ba5 10.Qc2 Bg4 11.d4 c4 12.Ba3 Re8 13.h3 Bh5 14.Nbd2 Bg6 15.Qb2 Bb6 16.Bd1 Bd3 17.Re1 Qd7 18.Bc2 Bc2 19.Qc2 Bc7 20.e4 de4 21.Ne4 Ne4 22.Re4 Re4 23.Qe4 Re8 24.Qc2 Qd5 25.Re1 Re1 26.Ne1 Qa5 27.Qb2 b6 28.Nc2 Bf4 29.g3 Bb8 (29...Qg5 30.Ne1 Bg3 31.fg3 Qg3 32.Ng2 Qh3 33.Qe2 Nd4 34.cd4 Qa3 35.Qc4=) 30.Ne3 Qa4 31.f4 Qa6 (31...Na5 32.Qb4 Qe8 A) 33.Nc4?? Qe1 34.Kg2 Qe2 35.Kg1 Nc4-+ (35...Qc4?! 36.Qc4 Nc4 37.Bc1-+); B) 33.Kf2+=) 32.d5+= Na5 33.Qb4 Qc8 34.Kg2 Qe8 35.Qe7 Qe7 (35...Qc8 36.d6 Nc6 37.Nd5+/-) 36.Be7 f6 37.a4 Nb3 38.Nc4 Kf7 39.Ba3 1-0. wisertime (2115) - knightmoves68 (1720), gameknot.com, 2016.

8.Bb2 h6 9.Nc3 Bf5 10.Na4 c4 11.Bd4 (11.Nd4 Bd7 12.Rb1 Be7 13.Nc6 Bc6+=) 11...Nd4 (11...Qa5 12.a3 Bd6 13.Nc3-/+) 12.Nd4+= Bd7 13.a3 Bd2 (worse is 13...Ba4 14.ab4 Bd7 15.d3+=) 14.Qd2 Ba4 15.Bf3 Re8 16.Qb4 Bc6 17.Rfd1 a6 18.Rab1 Rb8 19.h3 Qc7 20.a4 b5 (20...Bd7 21.a5+=) 21.Qc5 Rec8 22.ab5 ab5 23.Nf5 Increases the pressure on the backward pawn 23...Rb7 (better is 23...Kh7=) 24.Nd6+/- Nd7 (24...Ra8 25.Nb7 Qb7 26.Ra1+/-) 25.Qb4+– Ne5 (25...Rcb8 26.Nb7 Qb7 27.Qd6+–) 26.Bd5 Bd5 27.Rd5 Rd8 28.Rbd1 (28.Re5?! Qd6 29.Rb5 Qb4 30.R5b4 Rb4 31.Rb4 Rd1 32.Kh2 Rd2+=) 28...Nc6 (28...Rb6 29.Nb5 (29.Re5?! Rbd6 30.Rd6 Qd6 31.Qd6 Rd6=) 29...Rd5 A) 30.Nc7?? Rd1 (30...Rb4 31.Rd5 Rb1 32.Kh2+/-) 31.Kh2 Rb4-+; B) 30.Rd5+–) 29.Qc5 Ne7?? (better is 29...Rbb8 30.Nb5 Qc8+–) 30.Nb7 Rd5 31.Qc7 (31.Qc7 Rd1 32.Kh2+–) 1–0. pierre – Nye123, internet, 2015.

8.Bb2 h6 9.Ne5 Ne5 10.Be5 Re8 11.Bb2 Qb6 12.Ba3 Ba5 13.Nc3 Bc3 14.dc3 Bf5 15.Rb1 Qa5 16.Qc1 Ne4 (worse is 16...Qc3 17.Rb7 c4 18.Bd1=) 17.c4?? (better is 17.Rb7 Nc3 18.Bf3-/+) 17...Nc3-+ 18.Rb7 (18.Qd2 Qa3 19.Rb7 Ne2 20.Qe2 Qa2 21.cd5 Qd5 22.Rfb1-+) 18...Ne2 19.Kh1 Nc1 20.Bc1 Qa2 21.Rb2 Qc4 22.Kg1 Rab8 23.Rb8 Rb8 24.h3 Rb1 25.g4 Be4 26.Kh2 (26.c3 Qe2 27.f3 Bf3 28.Rf3 Rc1 29.Rf1 Rf1#) 26...Qf1 27.Kg3 g5 28.Bd2 Qg2# 0–1. Neumann,Frank – Kolanek,Roman (2075), OP–2011–0-01837, 2011.

8.c3 Ba5 9.d4 c4 10.Bf6 Qf6 11.Qd2 Re8 12.Qb2 a6 13.Nbd2 b5 14.a3 Bd8 15.Ne1 Qg5 16.Bf3 Ne7 17.e4 Be6 18.g3 Ng6 19.Bg2= Bc7 20.e5 Qd8 21.Nc2 Bc8 22.Ne3= Bb7 23.Qc2 Qd7+= 24.f4 f6 25.Nf3 fe5 26.fe5 Bb6 27.Kh1 Rad8 28.Nf5 Rf8 29.Bh3 Qc7 30.Ng5 Bc8 31.Kg2 Rde8 32.Rae1 Qc6 33.Nd6 Bh3 34.Kh3 Qd7 35.Kg2 Re7 36.Rf8 Nf8 37.Rf1 g6?? 38.Qf2+– Qd8 39.Ngf7 Qb8 40.Qf6 (40.Qf6 Rf7 41.Nf7 Qe5 42.Nh6#) 1–0. Liepert,Luise – Illig,Ursula, Bayern, 1988.

8.Bc3 Bc3 9.Nc3 d4 10.Na4 b6 11.Re1 Bb7 (11...de3 12.fe3 Bf5 13.Nc3+=) 12.Rb1 (12.Qb1 Qd6+=) 12...Qc7 13.ed4 (13.Bd3 Rae8+=) 13...Nd4-/+ 14.Nd4 cd4 15.Rb4 Rad8 16.c3 (16.f3 Rd5-/+) 16...dc3 17.Nc3 Qd6 (17...Rfe8 18.Ra4 Bc6 19.Bb5 Bb5 20.Nb5-/+) 18.Ra4 (18.Rb2 Rfe8-/+) 18...a5 19.Qb3 (19.Bb5 Qd2 20.Qd2 Rd2-/+) 19...Qd2 20.Rd1 Qg5 21.g3 Rd1 22.Qd1 Qe5 (22...Nd5 23.Ne4 Qe5 24.Rd4-/+) 23.Rd4 Re8 24.a4 Kf8 25.Kf1 (25.Bf1 g6-/+) 25...g6 26.Kg1 (26.Qd2 Kg7-/+) 26...Kg7 (26...Nd5 27.Nd5 Qe2 28.Qe2 Re2 29.Kf1-+) 27.Qd2 Qc5 28.Rf4 (28.Nb5 Qe7 29.Kf1 Ne4-+) 28...Re7 29.Bf3 (29.h3 Rd7 30.Qb2 Qe5-+) 29...Nh5-+ 30.Bh5 Qh5 31.f3 Qe5 (31...Bf3 32.Qd4 Qe5 33.Qe5 Re5 34.Rf3+/-) 32.Kg2 (32.Kf2 g5 33.Rg4 f6-+) 32...g5-+ 33.Rd4 (33.Rg4 h6-+) 33...Qf5 34.Nd5 (34.Qd3 Qd3 35.Rd3 g4-+) 34...Rd7 35.Nf4 Rc7 36.Qd3 Rc2 37.Kf1 Qd3 38.Nd3 Bf3 39.Ne5 Bg2 40.Ke1 Bh3 41.Nf3 h6 42.Nd2 Be6 43.h4 (43.Ke2 Kf6-+) 43...Rb2 44.Ke2 (44.hg5 hg5 45.Ne4 Kg6-+) 44...f5 45.Ke3 (45.Kd3 Kf6-+) 45...Kf6 46.Rd8 (46.Ke2 g4-+) 46...Rb4 47.Rh8 0–1. Janek – Mikhail, internet free game, 2017.

8.Bc3 Bc3 9.Nc3 d4 10.ed4 cd4 11.Na4 Re8 12.Nc5?? (better is 12.Re1+=) 12...Qe7-+ 13.Nb7 Bb7 (13...Bb7 14.Re1 Qc7-+) 0–1. tightfist (2525) – georgedimitrov (2420), net–chess.com, 2013.

8.Bc3 h6 9.Bb4 Nb4 10.c3 Nc6 11.d4 b6 12.Nbd2 Bb7 13.Rc1 Re8 14.Bd3 Qd6 15.Bb1 Rab8 16.Re1 Nd8 17.Nf1 Nc6 18.Ng3 Ne4 19.Nd2 Ng3 20.hg3 Qf6 21.Nf3 Re7 22.Qc2 g6 23.Qb3 Nd8 24.Ne5 c4 25.Qc2 Kg7 26.Qa4 Nc6 27.Nc6 Bc6 28.Qa3 Rbe8 29.Bc2 Qe6 30.Ba4 Ba4 31.Qa4 Qd7 32.Qd7 Rd7 33.Rb1 Rb8 34.a4 a6 35.Rb2 b5 36.Reb1 Rdb7 37.a5 f5 38.Rb4 Kf6 39.Kf1 g5 40.f3? (better is 40.Ke2!?+=) 40...Re8-+ 41.Kf2 Rbe7 42.Re1 f4 43.gf4 gf4 44.e4 de4 45.fe4 Re4 46.Re4 Re4 47.Rb1 Re3 48.Rc1 Rd3 49.Ke2 Kg5 50.Rd1? (50.Rc2 Kg4-+) 50...Rd1 (better is 50...Rc3!? 51.d5 Re3 52.Kf2-+) 51.Kd1 f3! 52.gf3 h5 53.Ke2 h4 54.Kf2 Kf4 55.Kg2 b4! 56.d5 (56.cb4 c3 Passed pawn) 56...Ke5 57.cb4 c3 58.b5 c2 59.ba6 c1Q 60.a7 (60.f4 Kf4 61.a7 Qd2 62.Kh3 Qf2 63.a8Q Qg3) 60...Qg5 (60...h3 61.Kf2 Qd2 62.Kg3 Qg2 63.Kh4 h2 64.f4 Kf4 65.a8Q h1Q) 61.Kf2 Qd8 0–1. minas_morgul (1655) – dinofan (1715), gameknot.com, 2012.

8.c4 d4 9.ed4 cd4 (worse is 9...Ne5 10.de5 Nd7 11.Qc2+=) 10.a3 Ba5 11.Qa4 (11.Bd3 Ne5 12.Ne5 Re8-/+) 11...Ne5 12.Ne5 Re8 13.f4 d3! 14.Bd3 (14.Bd3 Qd4 Double attack; 14.Nd3 Qd4 Double attack (14...Re2 Pinning; 14...Re2 Deflection)) 14...Qd4 15.Kh1 Bc7 (better is 15...Qa1 16.Qa5 Qd4-/+) 16.Nf7?? (better is 16.Nc3 Be5 17.fe5 Re5 18.Qc2+=) 16...Qd3 17.Rg1 (17.Nh6 gh6 18.Nc3 Be6-+) 17...Qd4 18.Nc3 Qf4 19.g3 Qf3 20.Rg2 Bh3 21.Rag1 (21.Nh6 gh6 22.Qe8 Re8 23.Rag1 Bg2 24.Rg2 Re1#) 21...Bg2 22.Rg2 Re1# 0–1. Neumann,Frank – Ermolaev,Maksim (1765), OP–2011–0-01878, 2011.

8.c4 Ne5 9.Ne5 Qd6 10.f4 d4 11.Qc2 Rb8 12.e4 a6 13.d3 (13.Nd3!? Qb6 14.Bf3=) 13...b5 14.a4 Nd7 15.ab5 ab5 16.Nf3 (better is 16.Nd7!? Bd7 17.cb5 Rb5 18.f5+=) 16...bc4-/+ 17.Qc4 Nb6 (better is 17...Qf4!? 18.Qc2 Nf6-+) 18.Qc1-/+ Bd7 19.Na3 Na4 20.Nc4 Qc7 21.Qc2 Nc3 22.Nfe5 Bb5 23.Na3?? (better is 23.Bg4+=) 23...Ba4-+ (23...Ne2?! 24.Qe2 Be8 25.Qg4=) 24.Qd2 Ne4! 25.Qc1 (25.de4 Bd2 Discovered attack) 25...Nd2 (25...Bd2!? 26.de4 Bc1 27.Rfc1-+) 26.Bd1 Bd1 27.Qd1 Nf1 28.Qf1 Ra8 29.Nac4 Ra1 30.Qa1 f6 31.Nf3 Qf4 32.Qa2 Kh8 33.h3 Qb8 34.Qa4 Rd8 35.Qc6 Qc8 36.Qb6 Qd7 (better is 36...Kg8-+) 37.Nfe5-/+ fe5 38.Ne5 Qe8 39.Qd8 Qd8 40.Nf7 Kg8 41.Nd8 Kf8 42.Ne6 Kf7 43.Nf4 Bd2 44.Nd5 Ke6 45.Nb6 Kf5 46.Kf2 h5 ½–½. Osmak,Yulia – Nikitina,Elizaveta, UKR–ch U12 Girls, 2009.

8.d4 c4 9.Nfd2 (9.c3 Ba5 (9...Ne5? 10.de5 Be7 11.ef6 Bf6 12.Qd2+–) 10.Qc2 Ne4 11.Bc4 Ne5 12.Ne5 Be6=) 9...Ne5 (better is 9...Re8!?-/+) 10.de5+= Nd7 11.Nf3 Qa5 12.Qd4 Nb6 13.h4 (13.Rd1 Bf5 14.a3 Bc5+=) 13...Bf5 (13...f6+=) 14.Qf4 (better is 14.c3!? Be7 15.Qf4+=) 14...Bc2-/+ 15.Nd4 Bb1 (15...Be4!?-+) 16.Rab1-/+ Rfe8 (16...Bc3!?-/+) 17.h5= h6 18.Bg4 Bc3 19.e6 fe6 20.Ne6 Re7 21.Qf5 (21.Bf5 d4 22.Qg4 A) worse is 22...Qa2 23.ed4 (23.Nd4?! Bd4 24.Qd4 Qa5=) 23...Nd5 24.Qg6+/-; B) 22...d3=) 21...Qa4+= 22.Bf3 (22.Rfc1 Bf6 23.Bf3 c3 24.Rb6 ab6 25.Bd5 Re6 26.Qe6 Kh8 27.Qb6 Qa3=) 22...Rf7 (22...Qd7 23.Rb6 ab6 24.Bd5+=) 23.Qg4 (23.Qg6 Qd7 (23...Qa2?! 24.Ng5 Rf3 25.Qh7 Kf8 26.Nf3+=) 24.Nf4 Rf6+=) 23...Qd7-/+ 24.Rfd1 (24.Nf4 Be5 25.Qd7 Rd7-/+ (25...Nd7? 26.Bd5 Nb6 27.Bf7 Kf7 28.a4+–)) 24...Re8 (24...Be5!?-/+) 25.Rb6+= Rf3 (worse is 25...ab6 26.Bd5 Be1 27.Bc4 Bf2 28.Kh2+/-) 26.Qf3 ab6-/+ 27.Nf4 d4 28.ed4 Bb2-/+ 29.Rd2 c3 30.Re2= Rc8 31.Qe4 Ba3 32.Ng6 Rd8 33.Rc2 Re8 34.Qd3 Re1+= 35.Kh2 Bd6 36.f4= Qg4 37.Qc4?? Kh7-+ 38.Qd5 Bf4 39.Nf4 Qf4 40.g3 Qf1 41.Qb7 Qd3 42.Rf2 c2 (42...c2 43.Qc8 c1Q 44.Qb7 Qg5 45.Qg2 Qh5 46.Qh3 Rh1 47.Kh1 Qh3 48.Kg1 Qdg3 49.Rg2 Qhg2#) 0–1. Alonso Moyano,J (2275) – Gonzalez Rodriguez,JA (2425), III Sants Hostafrancs Open, Barcelona ESP, 2001.

8.d4 Ne5 9.Ne5 c4 10.Bf3 Re8 11.a3 Qa5 =+.

8.Bf4 Ba5 9.c3 Bf5 (9...Nh5 10.Bg5 f6 11.Bh4-/+) 10.Qb3 (10.Na3 a6+=) 10...Qd7-/+ 11.Qa3 Bb6 (11...Qe7 12.Bb5 Bb6 13.d4+=) 12.d4 c4 (12...Nh5!? 13.Ne5 Ne5 (13...Nf4? 14.Nd7 Ne2 15.Kh1 Bd7 16.dc5+–) 14.Be5 f6 15.Bh5 fe5 16.dc5 Bd8-/+) 13.Nbd2= h6 14.Ne5 Qe6 15.Rfe1 Rfe8 16.Rac1 Rac8 17.Nf1 (17.h3 Bc7+=) 17...Bc7 (17...g5 18.Nc6 Rc6 19.Be5+=) 18.Nc6 bc6 19.Ng3 Bg6 20.Bc7 (20.Qa7 Bf4 21.ef4 Ra8=) 20...Rc7+= 21.Bd1 Rb8 (21...Bd3 22.Be2+=) 22.Bc2 Bc2 23.Rc2 Qe7 (23...Rcb7 24.f3+=) 24.Qe7= Re7 25.f3 Reb7 26.Nf5 a5 (26...Kf8 27.Kf1=) 27.e4+= Kf8 28.Kf2 a4 29.ed5 (29.e5 Nd7=) 29...cd5= 30.Ne3 a3 31.Rce2 Rb2 32.Rb2 Rb2 (worse is 32...ab2 33.Rb1+/-) 33.Re2 g6 34.Nd1 Re2 35.Ke2 Ne8 36.Ne3 Nc7 37.Nc2 ½–½. Morley,Paul (2270) – Staggat,Rolf, Slovenia's, 2008.

8.Bf4 Ba5 9.Nc3 Qe7 10.Na4 h6 11.d4 c4 12.Ne5= Qe8 13.Bf3 Nd8 14.c3 b5=+ 15.Rc1 ba4 16.Nc4 Qb5 17.Na5 Qa5 18.c4 Ba6 19.Be5 Ne4 20.Be4 de4 21.d5 Rc8 22.Qd4 Qc5 23.Qe4 f5 24.Qf4=+ g5 25.Qg3 Nf7 26.Rfd1 Bc4 27.Bf6 Qb6 28.d6 Ba2 29.Rc8 Rc8 (29...Rc8 30.d7 Rc5-+) 0–1. Vegjeleki,Adolf (2145) – Bjazevic,Pavao (2245), corr WSTT/3/06/Semifinal, 2008.

8.Bf4 Ba5 9.Nc3 Qe7 10.Bg5 Rd8 11.Na4 c4 12.Rb1 h6 13.Bh4 g5 14.Bg3 Ne4 15.c3 Bf5 16.Rb2 b6 17.h4 (17.Qa1 Qa3 18.Bd1 Bd7-+) 17...Rac8 (17...Qa3 18.hg5 hg5 19.Rb5-/+) 18.hg5 hg5 19.Rb5 (19.Nh2!?-/+) 19...Ng3-+ 20.fg3 a6 21.Ra5 ba5 22.Nd4 Bg6 (22...Be4 23.Bg4 Rc7 24.Bf5 Nd4 25.cd4-/+) 23.Bg4 Rc7 24.Bf5 Ne5 25.Qc2 Rb8 26.e4 (26.Bg6 Ng6 27.Rf5 Ne5-+) 26...Nd3 (26...Bf5 27.Rf5 Rcb7 28.Rf1-+) 27.Bg6 (27.ed5 Qd6-+) 27...fg6 28.ed5 Qd6 29.Qd1 Rf8 30.Ne6?? Rf1 31.Qf1 Rf7 32.Qe2 Qd5 33.Nd4 Qb7 34.Qe8 Kg7 35.Nf3 Qa7 (35...Qa7 36.Kh2 Rf8-+) 0–1. Fels,Bernhard (2025) – Nita,Catalin (1855), BI–2011–F–00008, 2012.

8.Bf4 Ba5 9.d4 cd4 10.Nd4 Re8 11.Nb5 Ne4 12.f3 Nf6 13.Nd6 Re6 14.Nc8 Nh5 15.Bd3 (15.Na7 Na7 16.Kh1 Qf6-/+) 15...Qf6 (15...Rc8?! 16.Bf5+=; 15...Qc8?! 16.Bf5 Nf4 17.ef4=; 15...Nf4 16.ef4 Qf6 17.c4 Qd4 18.Kh1 dc4 19.Bf5 Rc8 20.Be6 fe6 21.Na3+=) 16.c4 Nf4 17.ef4 Nb4 18.Bh7 Kh7 19.cd5 (19.a3 Rc8 20.ab4 Qa1 21.ba5 dc4-+) 19...Ra6 (19...Qa1?! 20.de6 Rc8 21.a3-+; 19...Rc8?! 20.de6 Qa1 21.a3-+) 20.Nc3 Rc8 21.a3 Bb6 22.Kh1 Qc3 23.ab4 Ra1 24.Qa1 Qa1 (24...Qb4 25.Qb1 Qb1 26.Rb1-+) 25.Ra1 Rc4 26.g3 Rb4 27.Re1 a5 28.Ra1 a4 29.d6 Rd4 30.d7 Ba5 31.Kg2 b5 32.Kf2 Rd7 33.Ke2 Bc3 34.Ra2 Ra7 35.Kd3 b4 0–1. Lagergren,Henry (2070) – Vidalina,Franjo, WS/H/024 ICCF, 2005.

8.Bf4 Ne4 9.a3 Qf6 10.Ra2 Ba5 11.c4 d4 12.Qc2 Re8 13.Bd3 Bf5 14.Ng5 Qg6 15.g4 Ng5 16.Bf5 Qh6 17.Bg5 Qg5 18.Bh7 Kh8 19.Bf5 Qh4 20.f4 de3-/+ 21.de3 Re3 22.Rb2 g6 23.Bd7 Nd4 24.Qg2 Rd8 25.Ba4 Re1 26.Rbf2 Rd6 27.g5? Rb6 28.Nd2 Bd2 29.Rd2 Rf1 (30.Qf1 Nf3 31.Qf3 Qe1 32.Kg2 Qd2 33.Qf2 Qc1-+) 0–1. mehdi_gh – marekt, ChessWorld.net, 2004.

8.Bf4 Ne4 9.a3 Qf6 10.Ra2 Ba5 11.d3 Nc3 =+.

8.Bf4 Ne4 9.c4 d4 (9...Qf6!? 10.cd5 Qa1+=) 10.a3 Ba5 11.d3 Qf6 12.Ra2 g5 13.de4 gf4 14.ed4 cd4 15.Qd3 Kh8 16.Rb2 Qg7 17.Rb5 f6 (17...f5 18.ef5 Qf6 19.Qd1+=) 18.Kh1 (18.Nd4!? Ne5 19.Qb3+/-) 18...Rg8 19.Rg1 a6 20.Rd5 Increasing the pressure on the isolated pawn on d4 20...Be6 21.c5 Qf7 22.Rd6 Bc7 23.Rc6 bc6 24.Qd4 (worse is 24.Nd4 Rad8 25.Nd2 Be5-/+) 24...Qe7 25.Nbd2 Rg7 26.Qc3 Bd7 27.Rc1 a5 28.Bf1 Rb8 29.h3 Rbg8 30.Rb1 Bc8 31.a4 Qf7 32.Rc1 Qg6 33.Nh4 Qh5 34.Ndf3 Be5 35.Qc4 Rb7 36.Be2 Qe8 37.Nf5 Rb4 38.Qc2 Rb2 39.Qd1 Qg6-/+ 40.N5h4 Qe4 41.Bc4 Rf8 42.Kg1 Bc7 43.Nd2 Qd4 44.Nhf3 Qc5 45.Bb3 Qe7 46.Rc3 Be6 47.Be6 Qe6 48.Qc1 Ra2 49.Rc6 Ra1! 50.Qa1 Qc6 51.Nd4 Qd5 52.N4f3 Kg7 53.Qe1 Bd6 54.Qc1 Re8 55.Qc2 Bc5 56.Nb3 Bb6 57.Nc1 Re6 (57...Re6 58.Nd3 Qe4-+) 0–1. Hoch,Hubertus – Aleksandrov,Andrey Mikhailovich, WS/M/049 ICCF, 2006.

8.Bf4 Re8 9.c3 Ba5 10.Qc2 Bg4 11.d4 cd4 12.cd4 Rc8 13.Qb2 Nh5 14.Bg5 Qd6 15.Bh4 Qg6 16.Kh1 Nf4 (better is 16...Nb4 17.Na3 Nf6=) 17.ef4+/- Re2 18.Qe2 Nd4 19.Qe3 (19.Nd4?? Be2 20.Ne2 Qh5-+) 19...Bf3 20.Bg3 Be2 21.Rc1 Rc1 22.Qc1 Qc6 23.Nd2 Bc3 24.Rb1 Bb5 25.Nb3 Ne2 26.Qc2 a5 27.Qd1 d4 28.a4 Ba6 (28...Bc4!?-/+) 29.Nc1+= Nc1 30.Rc1 d3 31.f5 d2 32.Rc3 Qc3 33.Bf4 b6 34.Bd2 Qd4 35.Kg1 Bc8 36.h3 Bd7 37.Qf3 Qa4 38.Qa8 Be8 ½–½. Hoch,Hubertus – Corbat,Philippe (2130), WS/M/049 ICCF, 2006.

8.Bf4 Re8 9.c3 Ba5 10.Qc2 Bg4 11.d4 cd4 12.cd4 Rc8 13.Qb3 Nh5 14.Bg5 Qd6 15.h3 Bf3 16.Bf3 Attacks the isolani on d5 16...Bc7 17.Rd1 Qh2 18.Kf1 Bb6 19.Bd5 Rc7 20.Qa4 h6 21.Nd2?? (21.Bf3 hg5 22.Bh5 Qh1 23.Ke2 Qg2 24.Na3 Re3 25.Ke3 Re7 26.Kd2 Bd4 27.Rf1 Qh3 28.Qb3 Qh5 29.Rae1-+) 21...hg5-+ 22.Nf3 Qh1 23.Ng1 Nf6 24.Bf3 Ne4 25.Rac1 Rce7 26.Rc2 Qh2 27.g3 Bd4! 28.ed4 b5! 29.Be4 ba4 30.Bc6 Rd8 31.Bg2 g4! 32.d5 f5 0–1. Hoch,Hubertus – Fass,Robert N, WS/M/045 ICCF, 2006.

8.Bf4 Re8 9.c3 Ba5 10.d3 (10.Na3 a6-/+) 10...Nh5-/+ 11.Bg5 Qd6 (11...f6 12.Bh4 g5 13.Nfd2 gh4 14.Bh5-/+) 12.d4 c4 (12...h6 13.Bh4 cd4 14.Nd4 Nd4 15.cd4=) 13.Ne5 Nf6 (13...Ne5 14.Bh5 Nc6 15.Bf4+=) 14.Bf4 (14.Qa4 Bc7+= (14...Ne5? 15.de5 Re5 16.Bf6 Qf6 17.Qa5+–)) 14...Qe7 (worse is 14...Ne5 15.de5 Re5 16.Bc4=) 15.Qc2 (15.Nc6 bc6 16.Qc2 Bc7 17.Bc7 Qc7-/+) 15...Bc7 16.Nc6 bc6 17.Bc7 Qc7 18.Nd2 g6 19.e4 Bf5 20.ef5 Re2 21.Qd1 Rae8 22.Nf3 Qf4 23.fg6 hg6 24.a4 Rb2 25.Rb1 Ree2 26.Rb2 Rb2 27.g3 Qf5 28.Qc1 Re2 29.Nh4 Qh3 30.Qf4 Ng4 31.Nf3 Rc2 32.Qf7 Kf7 33.Ng5 Kf6 34.Nh3 Rc3 35.Nf4 g5 36.Ne2 Ra3 (36...Rc2 37.Re1-+) 37.h3 (37.f4 Ra4 38.Nc3 Ra6-/+) 37...Nh6 38.g4 Ra4 39.f4 Ra2 40.Re1 Nf7 41.f5 Ra3 (41...Kg7 42.Kf1-+) 42.Kf2-/+ Nd6 43.Ng3 Kf7 44.Re6 Nb5 45.Rc6 Nd4 46.Rc7 (46.Rc5 Ra2 47.Ke3 Nc2 48.Kf3 Ne1 49.Ke3 Ra3 50.Ke2 Nd3 51.Rc7 Kf6 52.Nh5 Ke5-+) 46...Kf6 47.Nh5 Ke5 48.f6 (48.Kg2 Kd6 49.Rc8 Rb3-+) 48...Kd6 49.Rc8 Rh3 50.Rd8 Ke6 51.Re8 Kd7 52.Re7 Kd6 53.Kg2 Rf3 54.Ra7 c3 55.Ra2 Ke5 0–1. chuckhar (2315) – chess_research (2255), gameknot.com, 2014.

8.Bf4 Re8 9.c3 Ba5 10.d4 c4 11.Qc2 Ne4 12.Ne5 Bf5 13.Qb2 Qb6 14.Qa3 Rac8 15.Bh5 Ne5 16.Be5 Rc6 17.Bf3 Qb5 18.Bf4 Ra6-/+ 19.Re1 g5 20.Be4 =+. Woelfelschneider,Peter (2155) – Pirs,Matjaz (2460), RSS4E adv–49, 2006.

8.Bf4 Nh5 9.Bg5 f6 10.Bh4 g5 11.c3 Ba5 12.Ne1 Ng7 13.Bg3 Bf5 14.Qb3 Qd7 15.Na3 c4 16.Qb2 a6 17.d3 h5 18.h4 b5 19.Rd1 Qe8 20.dc4 dc4 21.Nac2 Rd8 22.Rd8 Qd8 23.Nf3 Bc2 24.Qc2 g4 25.Nd2 Qc8 26.Rb1 Qf5 27.e4 Qc5 28.a4 Ne5 29.ab5 ab5 30.Qb2 Rd8 31.Nf1 Nd3+= 32.Qb5 Qb5 33.Rb5 Bc3 34.Ne3 Re8 35.Nc4 Nc1 36.Bf1 Re4 37.Rb8 Kh7 38.Ne3 Bd2 39.Rc8 Kg6 40.Kh2 Rd4 41.Bc4 Be3 42.fe3 Rd7 43.Rc5 Re7 44.Bf1 Nb3 45.Bd3 f5 46.Rb5 Nd2 47.Be5 Rd7 48.Bd4 Re7 49.Rb6 Kh7 50.Kg3+/- Ne4 51.Kf4 Rf7 52.Bg7 Kg7 53.Be4 fe4 54.Kg5 (54.Ke4?! Rf2=) 1–0. Gretencord,Ulrich (2050) – Schubert,Kristian, IECG, 2008.

8.Bf4 h6 9.h3 Bf5 10.d3 Re8 11.Qc1 Qd7 12.c4 dc4 13.Qc4 Nd5 14.Bg3 Nb6 15.Qb3 Na5 (15...Rac8 16.a3 Ba5 17.Rc1=) 16.Qd1= c4 17.Nd4 Bd3 18.Bd3 cd3 19.Qd3 Nc6 20.Nd2 Nd4 21.ed4 Bd2 22.Qd2 Re4 23.Rad1 Rd8 24.Qa5 Rd4 (24...Qa4 25.Qa4 Na4 26.d5+=) 25.Rd4 Qd4 26.Qa7 Ra8 27.Qb7 Ra2 28.Qb8 Kh7 29.Kh2 Rd2 30.Re1 Nd7 31.Qe8+= f5 32.Qe6 Qd5 33.Qe3 Nf6 34.Bf4 Rd3 35.Qc1 Qd7 36.Be5 Ne4 37.f3 Ng5 38.Qf4 Qf7 39.Bb2 Rd7 40.Ba3 Qg6 41.Re5 Rf7 42.Re8 Qc6 43.Qe5 Qa4 44.Bd6 Qc2 45.Qd5+= Qa4 46.Rc8 Qd7 47.Rc7 Qe8 48.Rc5 Qe6 49.f4 Qd5 50.Rd5 Ne4 51.Be5 Ra7 52.g4 fg4 53.hg4 Nf6 54.Bf6+= gf6 55.Kg3 Ra1 56.Rd7 Kg8 57.Re7 Rg1 58.Kh3 Rf1 59.f5 h5 60.gh5 ½–½. Teichmann,E (2325) – Charles,Ga (2145), Sydney Int Open, 2010.

8.Bg3 Re8 9.c3 Ba5 10.d3 Ne7 11.h3 Bc7 12.Bc7 Qc7 13.Nbd2 b6 14.c4 dc4 15.Nc4 Bb7 16.Qb3 Nc6 17.Rfd1 Rad8 18.Rac1 Qe7 19.Qb2 h6 20.Rd2 Rd7 21.Rcd1 Red8 22.Nfe5 Ne5 23.Ne5 Rc7 24.Bf1 Nd7 25.Nc4 Nf8 26.d4= cd4 27.ed4 Qg5 28.Ne3 Ne6 29.d5 Nf4 30.g3 Rcd7? 31.h4+– Qg6 32.Qe5 Nd5 33.Nd5 Qc6?? 34.Ne7 Re7 35.Rd8 Kh7 36.Bd3 (36.Bd3 Qg6 37.Bg6 Kg6 38.h5 Kh7 39.Qf5 g6 40.Qf6 Re1 41.Re1 gh5 42.Qf7#) 1–0. Born,C – Lopez Gonzalez,D, ITT Vicente Lopez ARG, 2007.

8.Bg3 Re8 9.d3 h6 10.h3 Be6 11.Nbd2 b5 12.c4 bc4 13.dc4 d4 14.ed4 cd4 15.Bd3 Bc3-/+ 16.Rb1 Nb4 17.Nb3 Rc8 18.Nbd4 Nd3 19.Nb5? Ne4 20.Nd6 Ng3 21.Qd3 Bc4! 22.Qd1 Nf1 23.Nc8 Qd1 24.Rd1 Rc8 25.Rc1 Bf6 (25...Bf6 26.Rc2 g5-+; better is 25...Ba5!? 26.Rc2-+) 0–1. Labahn,Wolfgang – Willsch,Matthias, Ratzeburg, 1997.

9.a3 Ne4 =.

9.a3 Bg4 10.h3 Bh5 11.c4 d4 (11...dc4 12.Bc4 Qd6 13.d3=+) 12.ed4 cd4 13.Nd4 Nd4 14.Bh5 Rc8 15.Bd4 (15.Be2!?=) 15...Qd4=+ 16.Nc3 Bc3 17.dc3 Qd1 18.Bd1 Rc4 19.a4 (19.Bf3!?=+) 19...Rc3-/+ 20.a5 Rfc8 (20...Rb8 21.Bf3-/+) 21.Bf3=+ b6 (21...Rb8 22.Rfc1 Rc1 23.Rc1=+) 22.ab6= ab6 23.Rfb1 Rb8 24.Rb6 Rbc8 25.Ra7 h6 26.Rbb7 Rf8 27.Ra2 Rd3 28.Ra6 Rd7 29.Rd7 Nd7 30.Rd6 Nf6 31.Rb6 Rd8 32.g3 ½-½. PEREIRA – Krajatko, internet, 2022.

9.Ba3 b6 10.d4 Ne4 11.c4 Be6 12.Bd3 Nb4 13.Ne5 Rc8 14.Be4 de4 15.d5 Qg5-/+ 16.Bb4? Bh3-+ 17.g3 Bb4 18.Nc6 Bf1 19.Kf1 Qf6 20.Nb4 Qa1 (20...Qa1 21.Nc6 Qa2 22.Ne7 Kh8 23.Nc8 Qc4 (23...Rc8?! 24.Nd2-+) 24.Qe2 Qe2 25.Ke2 Rc8-+; 20...cb4?! 21.Nd2-+) 0–1. Heinzel,Olaf – Budde,Vladimir, GER–W chT, 1978.

9.Na3 Ne4 =+.

9.c3 Bc7 10.Ba3 b6 (10...Qd6 11.d4 b6 12.Nbd2 Bf5 13.c4 Ne4 14.cd5 Nc3=) 11.d4 Qd6 12.Nbd2 Re8 13.Rb1 Bf5 14.Rb5 Ne4=+.

9.c3 Bc7 10.Na3 Re8 (10...a6 11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Be5 Bb7=+) 11.c4 dc4 12.Bc4 Bg4 13.Nb5 Bb8 14.Qb3 Bh5=+.

9.c3 Bc7 10.d3 Qd6 (10...Re8 11.Nbd2 Qd6 12.Rb1 Ng4 13.h3 Nh2 14.Re1 Nf3=+; 10...Bf5 11.Na3 Qe7 12.Rb1 Rfe8 13.Re1 c4 14.Nb5 cd3=+; 10...Bg4 11.Nbd2 Re8 12.c4 dc4 13.dc4 b6 14.Qb1 Nd4=+; 10...Qe7 11.d4 Re8 12.dc5 Qc5 13.Na3 Ne5 14.c4 Bg4=+) 11.Nbd2 (11.d4 b6 12.Na3 a6 13.c4 cd4 14.Nc2 Rd8=+) 11...Re8 12.h3 (12.Rb1 Ng4 13.h3 Nh2 14.Re1 Nf3=+) 12...Bf5 13.Re1 (13.c4 d4 14.ed4 Nd4=+) 13...Nd7 (13...Rab8 14.c4 dc4=) 14.Ba3 (14.Qb3 Rab8=+) 14...Nce5 (14...Nde5=+) 15.d4 Nf3 16.Nf3 Be4 17.Bb5 Re6 18.Bd7 Qd7 19.Ng5 Rg6 20.Ne4 de4 21.Qh5 c4 22.Rf1 Re8 23.f4 ef3 24.Rf3 Ra6 25.Bc1 Ra5 26.Qh4 f5 27.Qf2 g6 28.Bd2 b5 29.Qe2 Re4 30.Be1 Qe7 31.Bf2 Ra3 32.Qb2 a6 33.Re1 Ra4 34.Re2 Kg7 35.Bg3 Bg3 36.Rg3 Qe6 37.Rf3=+ ½–½. Skerlik,Stanislav – Marti Cruz,Joaquin, corr EM/MN/064 ICCF Email, 2003.

9.c3 Bc7 10.d4 Ne4 (10...c4 11.Ba3 Re8 12.Nbd2=+) 11.Nbd2 (11.dc5 Nc5 12.Na3 a6=) 11...f5 (11...c4 12.Ne4 de4 13.Nd2=) 12.g3 (better 12.dc5!? Nc5 13.c4=) 12...c4-/+ 13.Kg2 Qf6 14.Nc4 (14.Qc2!?-/+) 14...dc4-+ 15.Bc4 Kh8 16.Bb3 Nd8 (16...Rd8 17.c4-+) 17.c4 Nf7 18.Qc2 White prepares c5 18...Nfg5 19.d5 Qh6 20.Ng5 Ng5 21.h4 Ne4 22.c5 Bd8 23.Rh1 Qg6 (23...Bd7 24.f3 Ng3 25.Kg3 f4 26.Kg2 fe3 27.Qe4-/+) 24.Be5 Bf6 (better 24...Re8 25.h5 Qh6-/+) 25.Qb2? (25.h5!? Qh6 26.Bf4-/+) 25...Bd7 (25...Nc5!? 26.h5 Qh6 27.Bf6 Rf6 28.Qe5-+) 26.Rac1 Rac8 27.Bd4? (27.Bf6 Rf6 28.Qd4 h5-/+) 27...Bd4 (27...f4 28.ef4 Bd4 29.Qd4 Rf4 30.h5-+) 28.ed4? (28.Qd4!? h5 29.Rc4-/+) 28...f4 (better 28...Qf6-+) 29.Rc3?? (29.Bc2 fg3 30.f4 Rf4 31.Rhf1 Rf2 32.Kg1-+) 29...fg3 30.fg3 (30.f3 Nc3 31.Qc3-+) 30...Nc3 31.Qc3 (31.Re1 Qd3 32.Qc2 Qf3 33.Kh2-+) 31...Qe4 32.Kh2 (32.Qf3 Qf3 33.Kh2 Qf2) 32...Rf2 33.Kg1 Qg2 0-1. bvamrx (1990) - NDHLFLS (2080), lichess.org, 2021.

9.c3 Bf5 10.Ba3 b6 11.d4 Ne4 12.Bb2 c4 13.Nfd2 Nf6 14.g4 (14.f3 Bg6=+) 14...Be6 15.f4 b5 16.Bf3 Rb8 Black plans b4 17.g5 Ne8 18.a4 b4 19.Nc4 bc3 20.Bc3 Rb1 (worse 20...dc4 21.Bc6 Qc7 22.d5+=) 21.Rb1 Bc3 (worse 21...dc4 22.d5 Bc3 23.de6+/-) 22.Ne5 Ne5 23.de5 Ba5 24.Qd3 Qd7 25.Rfd1 Nc7 26.e4 Qa4 27.ed5 Bb6 28.Rb6 ab6 29.de6 Ne6 (worse 29...fe6 30.Qd4 Qb3 31.Bg4=) 30.f5 Ng5 31.Bg2 h6 32.Qd4 Qb3 33.Kh1 Nf3 34.Qd5 Qd5 35.Rd5 Nh4 36.Be4 Ra8 37.Kg1 Ra4 38.Bd3 Kf8 39.f6 Rd4 40.Rd4 Nf3 41.Kf2 Nd4 42.Ke3 Ne6 43.Bc4 Nc7 44.Kd4 gf6 45.ef6 b5 46.Bb3 Ne6 47.Kd5 Ke8 48.Bc2 Kd7 49.Bd1 Nc7 50.Ke5 Ke8 51.Be2 b4 52.Bd1 Ne6 53.Ba4 Kf8 54.Kd5 Ng5 55.Bd1 Nh3 56.Kc4 Nf2 57.Bf3 b3 58.Kb3 Nd3 59.Kc3 Ne5 60.Be2 Nd7 61.Kd4 Nf6 62.Ke5 Ke7 63.Bd3 (63.Bf3 Nd7 64.Kf5 Nb6-/+) 63...Ne8 (63...Ng4 64.Kf4 Nh2 65.Bb5-/+) 64.Bc4 Nd6 65.Be2 f6 66.Kd5 Nf7 67.Ke4 Ne5 68.Kf5 Kf7 69.Bh5 Kg7 70.Bd1 Nc6 71.Bh5 Nd4 72.Ke4 Nb5 73.Kd5 Nc3 74.Ke6 ½-½. PEREIRA – Olessy, internet, 2022.

9.Nc3 d4 10.Nb5 a6 11.Na3 Bc7 12.Re1 Re8 13.ed4 cd4 14.Bc4 Re1 15.Qe1 b5 16.Bb3 Qd6 17.g3 Bf5 18.Qf1 Re8 19.Re1 Re1 20.Qe1 Bg4 21.Ng5 Ne5 22.f4 Nf3 23.Nf3 Bf3 24.h3 Bb7 25.Qf1 d3! 26.Kh2 Bb6 27.Bf6 dc2 28.Bc3 Qd3 (28...Qd3 29.Qd3 c1Q 30.Bf7 Kh8 31.Bg7 Kg7 32.Qc3 Qc3 33.dc3 Kf7-+; 28...Qa3?! 29.Bc2 Qe7 30.Be5+=) 0–1. Malmstroem,Jan (1940) – Bertel,Michael (1820), TE.2004.S.01702, 2006.

9.Nc3 Bf5 =+.

9.c4 Bc7 10.Nc3 Re8 11.Re1 Bg4 12.cd5 Nd5 13.Nd5 Qd5 14.h3 Bh5 15.Nh2 Be2 16.Qe2 Nb4 17.d4 Qe4 18.Red1 Nc2 19.Rac1 Nd4 20.Bd4 Bh2 21.Kh2 cd4 22.Rc4 Qe5 23.Kh1 de3 24.Rcd4 ef2 25.Qf2 Qe6 26.Rd7 b6 27.Qf3 Qa2 28.Rf1 Rf8 29.Qb7 Rab8 30.Qf3 b5 31.Qf4 b4 32.Qf3 Ra8 33.Qb7 a5 34.Rdf7 Qb2 35.Rf8 Rf8 36.Qd5 1–0. purplegadge (1705) – leveg (1770), gameknot.com, 2013.

9.c4 Be6 10.Qc2 Nb4 11.Qa4 dc4 12.a3 (12.Na3 Bd7 13.Qd1-/+) 12...Nd3-/+ 13.Bd3 cd3 14.Rc1 Bb6 15.Qh4 Ng4 16.Qd8 Rfd8 (16...Bd8?! 17.Rc5 Bb6 18.Rc3+=) 17.h3 Nh6 18.Nc3 Ba5 19.Na4 b6 20.Bc3 Bc3 21.Rc3 c4 22.Nb2 b5 23.Nd4 Bd7 24.g4 a6 25.a4 f6 26.ab5 ab5 27.Rb1 Ra2 28.Kf1 Nf7 29.Ke1 Ng5 30.f3 Nh3 31.Nd3 cd3 32.Rd3 Be6! 33.Rc3 Bc4 34.d3 Bf7 35.Nb5 Rb8 36.e4 Nf4 37.Na3 Rb1 38.Nb1 h5 39.gh5 Ra1 40.Rc8 Kh7 41.Rb8 Ba2 (41...Ba2 42.Kd2 Bb1-+; 41...Nd3?! 42.Kd2 Ne5 43.f4 Nf3 44.Ke3 Bh5 45.Rb7-+; 41...Bh5?! 42.Kd2 g5 43.Ke3 Ng2 44.Kd4 Bf3 45.Nd2-+) 0–1. Reed,Ken G – Hoskyn,Gordon A, NZCCA HT corr New Zealand, 1997.

9.c4 Re8 10.cd5= Nd5 11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Qf6 14.c4 Bf5=+ 15.Qb3 Na5 16.Qa3 b6 17.Rac1 Rad8 18.Qa4 Qb2-/+ 19.a3?? Qe2-+ 20.Nh4 Be4 21.Rce1 Qb2 22.Nf3 Bc2 23.Qb5 Qa3 24.Ra1 Qb4 25.Qb4 cb4 26.Ra2 b3 27.Raa1 b2 28.Rae1 Nc4 29.Nd4 (29.Nd4 Bd3 30.Rd1 Bf1 31.h4-+). Neumann,Frank (1650) – Kapfenstein,Armin (1720), RSS7E–84 remoteschach.de, 2008.

9.d3 b6 10.Nbd2 b5 11.c4 Rb8 12.Bf6 Qf6 13.cd5 Nb4 14.Ne4 Qe7 15.d6 Qd8 16.Nc5 ½–½. mr5reasons1 (1695) – blueknight53 (1765), gameknot.com, 2012.

9.d3 Re8 10.Nbd2 =+.

9.d3 Bg4 10.Nbd2= Bc7 11.c4 dc4 12.Nc4 Re8 13.Rb1 Rb8 14.a3 b5 15.Ncd2 Qd6 16.h3 Bh5 17.Re1 Nd5 18.Ne4+= Qh6 19.Qc1 c4 20.dc4+/- bc4 21.Rd1?? Ne3 22.Qe3 Qe3 23.fe3 Re4 24.Kf2 Rbe8 25.g4-+ Bg6 26.Rbc1 Re3 27.Bc4 Bb6 28.Kg2 Be4 29.Rf1? Bd4 30.Bb5 Bb2 31.Bc6 Bc1 32.Be8 Bf3 (33.Rf3 Re2 34.Kf1 Re8-+) 0–1. Saradjen,Janko (2205) – Drinovec,Ales (2165), SLO–chT West, 2001.

9.d4 c4 10.Ba3 Re8 11.Nbd2 b5 12.Bc5 Bc7 13.Rb1 a6 14.a4 Rb8 15.ab5 ab5 16.Rb5?? (better is 16.c3+=) 16...Rb5-+ 17.c3 Ra5 18.Qc2 Bd6 19.Bd6 Qd6 20.Bc4 dc4 21.Nc4 Qc7 22.Na5 Qa5 23.c4 Bf5 24.Qd2 Nb4 25.Ne5 Ne4 26.Qb2 f6 27.Ra1 Na2 28.Nc6 Qa4 29.Qb5 Qb5 30.cb5 Nec3 31.d5 Kf8 32.f3 Re3 33.b6 Bc8 34.b7 Bb7 35.Nd8 Ke7 36.Nb7 Kd7 37.h4 Kc7 38.Nc5 Kd6 39.Ne4 Ne4 40.Ra2 Nc5 41.Kf2 Re5 42.Ra7 Nd7 43.g4 Rd5 44.Ke3 Ke6 45.h5 h6 46.f4 f5 47.Ra6 Rd6 48.gf5 Ke7 49.Ra7 Kf6 50.Ra5 Rc6 51.Kd4 Nb6 52.Rb5 Nc4 53.Kd5 Rc7 0–1. Frost,Lionel B – Williams,Barry M, NZCCA HT corr New Zealand, 1997.

9.d4 c4 10.c3 Bc7 11.Ba3 Re8 12.Nbd2 Ne4 13.Ne4 Re4 14.Nd2 Rh4 15.g3 Rh6 16.e4 de4 17.Ne4 Na5 18.Bf3 f5 19.Nc5 f4 20.Qe2 Bf5 21.Rfe1 Bd6 22.Bb4 Bc5 23.Ba5 Qa5 24.Qc4 Kf8 25.Re5 Be6 26.Re6 Re6 27.Qe6 Qc3 28.Bd5 Qa1 29.Kg2 f3 30.Kh3 Qf1 31.Kh4 Be7 32.Kg4 h5 33.Kf3 Qd1 34.Kg2 Ke8 35.Qg8 Kd7 36.Qa8 Qd4 37.Qb7 Kd8 38.Be6 Bc5 39.Qf3 h4 40.Qg4 Qf2 41.Kh3 Be7 42.Bc8 Qf1 0–1. phildo (1870) – diedjee (1880), gameknot.com, 2012.

9.d4 c4 10.Ne5 Bc7 11.Nc6 bc6 12.Ba3 Re8 13.Nd2 Rb8 14.c3 Bf5-/+ 15.Re1 a6 16.Bf3 Qc8 17.Nf1 Ne4 18.Be4 Be4 19.Ng3 Bd3 20.Qd2 Qg4 21.f3 Qh4 22.Qf2 f5 23.Nf1 Qh6 24.f4 Bd8 25.Nd2 Bh4 26.g3 Bd8 27.Nf3 Ba5 28.Rac1 Rb7 29.Ne5 Be4 30.Re2 Reb8 31.Rb2 Rb2 32.Bb2 Qd6 33.Re1 Bd8 34.Re2 Be7 35.Rd2 a5 36.Re2 a4 37.Rd2 a3 38.Bc1 Rb1 39.Rd1 Ra1 40.h3 Qc7 41.g4 Qb6 42.Kh2 Qb1 (42...Qb1 43.Nc6 Bd6-+) 0–1. Walter,Mario (2050) – Taulien,Hans_Juergen (2350), RSX9E – A00 – Sokolsky–2, 2004.

9.d4 cd4 10.Nd4= Nd4 11.Qd4 Re8 12.Nd2 Bf5 13.Rac1 Bc7 14.Nf3 Be4 15.Qb4 Ng4 16.Rfd1 (16.Qb7? Rb8 17.Qa7 Rb2-+) 16...Qb8 17.h3 a5 18.Qb5 Re6 (Better is 18...Ne5+=) 19.hg4 (Better is 19.Bd4!? Bh2 20.Kf1+/-) 19...Rb6=+ 20.Qd7 Rb2 21.Ng5 Bg6 22.Rd5 h6 23.Nf3 Ra2 24.Bd3 Kh8 25.g5 h5 26.Qe7 Bb6 27.Rb1 Bd3 28.cd3 Qc7 29.Rd7 Qc2 30.Rf1 Qc8 31.Ne5 Qf8 32.Nf7 Kg8 33.Qe6 Ra4 34.Ne5 1–0. Markus,Roland – Johannes,Jan, TKM/SF/02, 2001.

9.Ne5 Re8 10.Nc6 bc6 11.a4 Bc7 12.c4 Bf5 13.cd5 cd5 14.Nc3 Bh2! 15.Kh2 Qb8 16.Kg1 Qb2 17.Ra2 Qb6 18.a5 Qd8 19.Bb5 Re6 20.Qa4 c4 21.Re1? Ng4 22.Bc6 Qh4 23.Kf1 Qf2# 0–1. Neumann,Frank (1650) – Faber,Hans_Alban (2350), RSX24E – Chaturanga–1, 2008.

9.h3 Re8 10.Bb5 Bd7 11.d3 a6 12.Bc6 Bc6 13.Nbd2 Bc7 14.Nb3 b6 15.Bf6 Qf6 (15...gf6?! 16.a4=) 16.a4 a5 17.Re1 Qg6 18.Nbd2 Re6 19.Kf1 (19.d4 Rae8=+) 19...Rae8 20.d4 c4 21.Ng1 Rf6 22.Ndf3 Bd7 23.Ra2 h6 24.Qe2 Qf5 25.Qd1 g5 26.c3 h5 Black prepares g4 (26...g4 27.hg4 Qg4 28.Rb2-/+) 27.Ne5=+ g4 (27...Be5 28.de5 Qe5 29.Qh5 Qc3 30.Qg5 Rg6 31.Qh5=+) 28.Nd7= Qd7 29.f4 (29.Rb2 Qf5=+) 29...gf3 30.gf3 (30.Nf3 Bg3 Combination; 30.gf3 Bg3 Combination) 30...Bg3 31.Ree2 Rg6 (31...Qf5 32.Kg2 Qg5 33.e4=+) 32.Qb1 (32.e4 de4 33.fe4 Qd6=+) 32…Kg7 0–1. Vezzani,Stefano (2095) – Huerga,Aser (2000), FICGS, 2012.

10.d3 b5 11.Nbd2 c4 12.a4 a6 13.ab5 ab5 14.Qc2 Bf5 15.Nh4 Bd7 16.Rfd1 Qe7 17.dc4 bc4 18.Nf5 Qe6 19.Ng3 Bc7 20.Ba3 h5 21.Nf3 (worse 21.Nh5 Nh5 22.Bh5 Qe5 23.Bf7 Kf7-+) 21...Bg3 22.hg3 Ne4 23.Bb2 (23.Nd4 Qg6=+) 23...Qf5-/+ 24.Bf1 g5 (24...Be6 25.Nh4 Qf6 26.Nf3-/+) 25.Qe2 Rab8 26.Ra2 g4 27.Nh4 Qe6 28.Kh2 Rb3 Exerts pressure on the isolated pawn 29.Qc2 Ne5 30.Ba1 Rbb8 31.Ra5 Exerts pressure on the backward pawn 31...Bc6 32.f3 gf3 33.gf3 Ng4 (33...Ng4 34.fg4 Qg4=) 0-1. marekt (2130) - grandpatzer (2390), gameknot.com, 2019.

10.d3 b5 11.Nbd2 c4 12.a4 a6 13.ab5 ab5 14.Qc2 Bf5 15.Nh4 Bd7 16.Rfd1 Qe7 17.dc4 bc4 18.Nf5 Qe6 19.Ng3 Bc7 20.e4 Ra1 21.Ba1 Ne4 (21...Bg3 22.hg3 Ne4 23.Ne4 de4 24.Bc4 Qc4 25.Rd7-/+) 22.Nge4 Na5 (22...Qh6 23.Ng3 Bg3 24.Nf1=+) 23.Bf3=+ de4 24.Be4 Bc6 (24...f5!? 25.Bf3 Bc6=+) 25.Bh7= Kf8 26.Bf5 Qe2 27.Nf1 (better 27.Bb2!?=) 27...Bb6-/+ 28.Kh1 g6 29.Ng3 Qe1 30.Nf1 gf5 31.Re1 Re1 32.Kg1 Nb3 (32...Ra1 33.Qf5 Ra2 34.Ne3 Be3 35.fe3 Rg2 36.Kf1=) 33.Qf5 Nd2 (33...Nd2 34.h4 Rf1 (34...Nf1?! 35.Qf4=+) 35.Kh2 Ra1-+) 0-1. marekt (2210) - mislin (2400), gameknot.com, 2018.

10.d3 Bc7 11.Nbd2 Qd6 12.Re1 Bg4 13.h3 Bh5 14.Nf1 Bf3 15.Bf3 Ne5 16.c4 (16.Ba3 Nf3 17.Qf3 Rab8 18.Ng3 b6 19.Bb2 b5 20.Reb1+=) 16...d4 (16...Ba5 17.Be5 Qe5 (17...Re5 18.Re2+= Rd8 19.d4 Ree8 20.dc5=) 18.Nd2 Qc3 19.Re2 Bb4 20.cd5=) 17.ed4 (17.Bb7 Rab8 18.ed4 cd4 19.c5 Qc5 20.Qb3-/+) 17...cd4 (17...Nf3 18.Qf3 Re1 19.Re1 cd4 20.Ng3=) 18.Rc1 (18.Bb7 Rab8 19.c5 Qc5 20.Qb3-/+) 18...Ba5 19.c5 Qc7 (worse is 19...Nf3 20.Qf3 Qd5 21.Re8 Re8 22.Ng3=; 19...Qd7 20.Re5+=) 20.Re5 Qe5 21.Qa4 Bc3 22.Bc3 dc3 23.d4 Qf4 24.Rc3 Rad8 25.g3 Qd4 (25...Qb8 26.Qb4+=) 26.Qd4= Rd4 27.Bb7 Ne4 28.Rc2 Re7 29.c6 Rc7 30.Ne3 g6 31.Nc4 Kf8 32.a4 Ng5 33.Kg2 Ne4 34.Na3+= Nd6 35.Nb5 Nb5 36.ab5 Ke7 37.Re2 Kd6 38.Re8 Ra4= 39.g4 ½–½. Hoch,Hubertus (2320) – Kmiecik,Klaus (2275), BdF, 2007.

10.d3 Bc7 11.Nbd2 Qd6 12.h3 g5 13.c4= d4 14.ed4 cd4 15.Re1 h5 16.c5 Qc5+= 17.Nb3 Qd6 18.Qc1 Nh7 19.Nbd4 Nd4 20.Bd4 g4 21.Bc5 Qg6 22.Bf1 Bd7 23.hg4 hg4=+ 24.Nh4 Qf6 25.g3 Re1 26.Qe1 Re8 27.Be3 Bg3 28.fg3= Re3 29.Qe3 Qa1 30.Qe7 Be6 31.a3 Kg7 32.Qc5 b6 33.Nf5 Kg6 34.Qd4 Qa3 35.Qg4 Ng5 36.Nh4 Kh6 37.Qf4 Qe7 38.Bg2 Kg7 39.Kh2 Nh7 40.d4 Qg5 41.Bc6 Qf4 42.gf4 Nf6 43.Kg3 Kf8 44.f5 Bd5 45.Bd5 Nd5 46.Kf3 a5 47.Ke2 a4 48.Kd3 Ke7 49.Nf3 b5 50.Nd2 Kd6 51.Ne4 Kc6 52.f6 b4 53.Kc4 b3 54.Nd2 Nb6 55.Kb4 Kd5 56.Kc3 b2 57.Nb1 0–1. Skerlik,Stanislav – Farkas,Zsolt, corr EM/MN/064 ICCF Email, 2003.

10.d3 Qd6 11.Nbd2 Bc7 12.Re1 Bg4 13.Rb1 b6 14.h3 Bh5 15.Nf1 Rad8=+ 16.Qa4 Qd7 17.g4 Bg6 18.Nh4 d4 19.f4 dc3 20.Bc3 Nd5 21.Ba1 f6 22.Ng6= hg6 23.Bf3 ½–½. Woelfelschneider,Peter – Conde,Jose A, TT–06 TSC, 2003.

10.Qb3 Re8 11.Na3 Ne4 12.ed4 cd4 13.d3 Nc3 14.Bd1 Bf5 15.Qb7 Re6 0–1. Pagano,Nunzio – Deneuville,Christian, corr or02–026, 2003.

10.ed4 Nc6 11.Bf6 Qf6 12.Nc3 cd4 13.Nd5 Qd6 14.Bd3 Bg4 15.Bh7 Kh8 16.Ng5?? (better is 16.Bb1 Kg8 17.Bh7 Kf8 18.h3 Bf3 19.Qf3= (19.gf3? g6-+)) 16...Bd1-+ 17.Nf7 Kh7 18.Nd6 Be2 19.Ne8 Re8 20.Rfb1 Bc4 21.Nf4?? (better is 21.Nb4-+) 21...Bd2 22.Nh5 (22.g3 Bc3 23.Rc1 g5-+) 22...Re5 (22...d3 23.Ng3 Bc3 24.Nf5-+) 23.g4 (23.Ng3 Bc3 24.f4 Re6-+) 23...Bc3 24.f4 Re7 25.Ng3 (25.Rc1-+) 25...d3 26.Nf5 (26.Kg2 d2 27.Rd1 Ba1 28.Rd2 Re3-+) 26...Ba1 (better is 26...Re2 27.Kf1-+) 27.Ra1 Re2 28.Ng3 d2 (better is 28...Rc2 29.Rd1 Nd4 30.Ne4-+) 29.Ne2 Be2 30.Kf2 (30.h3 d1R 31.Rd1 Bd1-+) 30...Bg4 0–1. Walter,Gerhard (1970) – Dobosz,Henryk (2390), 2nd International Bodensee Seniorenopen, 2016.

10.ed4 Nd4 11.Nd4 cd4 12.Bf3 Re8 13.Na3 Ne4 14.Be4 Re4 15.Re1 =+.

11.Qb3 Re8 12.Bd3 Bg4 13.Ng5 Qc7 14.f3 Bc8 15.c5 =+.

11.d3 Bc7 12.Nbd2= Qd6 13.h3 b6 14.Nb3+= Bb7 15.Qd2 Rfe8 16.Rfe1 Ne5 17.Ne5 Qe5 18.g3 Qf5 19.Nd4 Qh3 20.Bf3 Re1 21.Qe1 Bf3=+ 22.Nf3 Re8 23.Qf1 Qf5 24.Kg2 h6 25.Re1 Re1=+ 26.Ne1 Qe6 27.Nf3= Nd7 28.Nd4 (28.Nd4 Qg6 29.Nb5=; 28.Qe1 Bd6=). Mueller,Klaus Detlef – Wittmann,Walter, corr, 1983.

11.d3 Re8 12.Nbd2 Qe7 13.Re1 Bg4 14.Qc2 Qe2 15.Re2=+ Re2 16.Qc1 Nd7 17.h3 Bh5 18.Nb3 Bf3 19.Na5 Na5 20.Bd4 Nc6 21.Be3 Bh5 22.Kf1 Re8 23.g4+= R2e3 24.fe3 Bg6 25.d4 Bd3 26.Kg1 Nb6 27.c5 Nd5 28.Qb2 Re7 29.Qb3 Be4 30.Re1 g6 31.a3 f5 32.gf5 gf5 33.Kf2 Kf8 34.Qd1 Nf6 35.Qd2 Bd5= 36.Kg1 Rg7 37.Kh2 Rg2 38.Qg2 Bg2 39.Kg2 Nd5 40.Kf2 f4 41.ef4 Nf4 42.Kf3 Nh3 43.Kg4 Nf2 44.Kg5 Nd4 45.Rf1+/- Kg7 46.Rf2 Ne6 47.Kf5 Nc5 48.Rd2 Kf7 49.Rd5 b6 50.Rd8 Ke7 51.Rh8 Kd6 52.Rh7 b5 53.Ra7 Kc6 54.Ke5 b4 55.ab4 Nd3 56.Kd4 Nb4 57.Kc4 Nd5 58.Ra6 Nb6 ½–½. Kocandrle,Jaroslav (2140) – Bertel,Michael (1765), TE.2004.P.01713, 2004.

11.d3 Re8 12.Nbd2 Qe7 13.Re1 Bg4 14.Qc2 Bf3 15.Bf3 Qe1 16.Re1 Re1 17.Nf1 Rae8 18.g3 Nb4 19.Qb3 Rb1=+ 20.Kg2 Nd7 21.Qa4 Rb2 22.Qd7 Rd8 23.Qf5 Ra2 24.Bb7 g6 25.Qf3 Re8 26.Be4 f5 27.Bd5 Kg7 28.c5 Rae2 29.c6? R8e7 30.Bb3-/+ Bc7 31.h3 Rb2 32.Ba4 Re1 33.g4 f4 34.g5 Re7 35.h4-/+ Kf8 36.Kh3 a6 (36...a6 37.Kg2 Bb8-/+) 0–1. Nebe,Lutz (1900) – Borst,John (1925), L1.1999.0.00007, 1999.

11.d3 Bg4 12.Nd4+= Nd4 13.Bg4 Qb6 14.Bc3 Bc3 15.Nc3 Qb2 16.Nd5 Nd5 17.cd5 Qb5 18.Bf3 Nf3 19.Qf3 Rfd8 20.Rfb1 Qd5 21.Qd5 Rd5 22.Rb7 Rd3 23.Re1 ½–½. Kappel,Ray – Law,Steve, SD–2010-0-00055, 2010.

10.Nc3 Re8 11.Nb5 Bb8 12.c4 a6 13.cd5 Nd5=+ 14.Nc3 Nc3 15.Bc3 Re6 16.d4= cd4 17.Nd4 Rh6= 18.g3 Qe8 19.Nc6 Rc6 20.Qa4 Bd7 21.Rfd1 Ba7 22.Bf3 Rc7 23.Qa5 Rac8 24.Bd4 Bd4 25.Rd4 Bc6 26.Rc4 Qe6 27.Rac1+= g6 28.Bg4+/- f5 29.Bf3 Qd6 30.Bd5 Kf8 31.Rc5 Qf6 32.Qb6 h5 33.R5c4 Qd6 34.Rd4 Qe7 35.Bc6+– Rc6 36.Rc6 Rc6 37.Rd8 Kf7 38.Qb3 Re6 39.Qd5 Qb4 40.Rd7 Kf6 41.Rb7 Qd6 42.Qb3 Qc5 43.Qb2 Qe5 44.Qa3 Rd6 45.Qb3 Re6 46.Rh7 h4 47.Qb4 Qd6 48.Qc3 Qe5 49.Qc8 Qa1 50.Kg2 (50.Kg2 h3 51.Rh3+–) 1–0. pierre – Topov, internet, 2006.

10.Nc3 Re8 11.Nb5 Bb8 12.c4 dc4 13.dc4= Qe7 14.Qb3 Ne4 15.Nc3 Nc3 16.Qc3 f6 17.Rfd1 Bg4 18.h3 Bh5 19.Kf1 Bc7 20.a3 Rad8 21.Rd8 Rd8 22.Rd1 Rd1 23.Bd1 Ne5 24.Ne5 Be5 25.Qd2 Bf7 26.Be2 Bb2 27.Qb2 Qe4 28.Qb3 Kf8 29.Qd3 Qd3 30.Bd3 Ke7 31.Ke2 Kd6 32.f4 h6 33.Kd2 b6 34.h4 ½–½. Megy,Daniel – Guyot,Philippe, Open Cannes FRA, 1995.

10.Nc3 Re8 11.Nb5 Bb8 12.c4 d4 13.Ba3 a6 14.Bc5 ab5 15.cb5 -/+.

10.Nbd2 Qd6 11.Re1 b6 12.Bf1 Bg4 13.g3 Rfe8=+ 14.Qc1 Rad8 15.Bg2 Re7 16.e4 de4 17.Ne4 (17.Ne4 Ne4 18.Re4 Re4 19.de4=+; 17.Nc4 Qd7 18.Bf6 gf6 (18...ef3?? 19.Qg5 g6 20.Qh6 Re1 21.Re1 fg2 22.Qg7) 19.de4 Rde8=+). De Visser,Arnold W – Wittmann,Walter, corr, 1988.

10.Nbd2 Qd6 11.Re1 Bg4 12.g3 (12.Rb1 Rab8=) 12...Rfe8 13.Rb1 b6 14.a3 Rad8 15.Kg2 (15.c4 dc4 16.Nc4 Qd5=) 15...Qd7 16.Ng1 Be2 17.Ne2 Ng4 (17...Qf5 18.Nf3+=) 18.h3= Nh6 19.e4 (19.Nf3 f6+=) 19...f5 (better is 19...c4+=) 20.Nc3? (20.ed5 Qd5 21.Nf3 Qd7=) 20...d4?? (better is 20...de4 21.Nb5 Bb8-+ (21...ed3?! 22.Re8 Re8 23.Nf3-/+)) 21.Nd5+= fe4 22.Nc7 Qc7 23.de4 Rd6 24.f4 Rde6 25.Qf3 Nf5 26.Nf1 Qf7 27.Kf2 Nd6 28.Nd2 Rf6 29.Kg2 Ne5 ½–½. Souza,Kim Garcia De (1770) – Oliveira,Claudinei Gois (1715), Championship Paranaense Absoluto de Xad, 2016.

10.Nbd2 Qd6 11.Re1 Ng4 12.h3 Nh2 13.a3 Nf3 14.Nf3 Bd7 15.Rb1 Rab8 16.c4 d4 17.ed4 Nd4 18.Bd4 cd4 19.Qd2 Bb6 20.Qg5 Rfe8 21.Qh5 Re7 22.Ng5 Bf5 23.Nf3 g6 24.Qh4 Ba5 25.Nd4 Rbe8 26.Nf5 gf5 27.Kf1 f6 28.Qg3 Qg3 29.fg3 Be1 30.Re1 Re3 31.Kf2 Kf8 32.a4 b6 33.h4 R8e6 34.h5 Ke7 35.Kf1 Kd6 36.Kf2 Kc5 37.h6 Kd4 (37...Kd4 38.Kf1 Rg3-+) 0–1. Pierred – FANTOME (2750), Friendly Game, 5m + 5s, 2005.

10.Nbd2 Bg4 11.h3 Bh5 12.c4 dc4 13.Nc4 Re8 14.Rc1 b6 (14...Qe7 15.Nd4 cd4 16.Bh5=+) 15.d4 cd4 16.Nd4 Be2 17.Ne2 (17.Qe2? Nd4 18.Qd1 Ne6-+) 17...Ne5 18.Ne5 Be5 19.Be5 Re5 20.Qd8 Rd8 21.Rc7 Ra5 22.Rfc1 (better 22.Rc2!?=) 22...Ra2-/+ 23.Rc8 Rad2 (23...Re8 24.Kf1-/+) 24.Nd4=+ Rf8 25.Rf8 (25.R1c7 a5=+) 25...Kf8 26.Rc8 Ke7 (26...Ne8 27.Rb8=+) 27.Rc7= Nd7 28.Ra7 g6 29.g4 Rb2 30.Rb7 Kd6 31.g5 Ne5 32.Kg2 Nc6? (better 32...Nd7+=) 33.Nc6+- (33.Rf7?! Nd4 34.ed4 Rb5+-) 33...Kc6 34.Rf7 b5 35.Rh7 b4 36.Rh6 Kc5 (36...Rd2 37.Rg6 Rd6 38.Rg8+-) 37.Rg6 b3 38.Rg8 Rc2 (38...Ra2 39.Rb8 Ra5+-) 39.Rb8 Kc4 (39...b2 40.g6 Rd2+-) 40.g6 Rd2 41.g7 Rd6 42.g8Q (42.g8Q Re6 43.Qe6 Kd3 44.Qd5 Kc2 45.Qc4 Kd2 46.Rd8 Ke1 47.Qf1) 1-0. Jurekszach (2335) - zumpili (2290), Rated Bullet game, lichess.org, 2019.

10.d4 cd4 11.Nd4= Nd4 12.Bd4 Ne4 13.Nd2 Qd6 14.f4 Bf5 15.Ne4 Be4 16.Bd3 Rfe8 17.Rb1 Bb6 18.Be4 Re4=+ 19.c3 Rae8 20.Re1 Bd4-/+ 21.cd4 b6 22.Qb3 Qe7 23.Rbc1 g6 24.Kf2 g5 25.fg5 Qg5 26.Qd3 a6 27.Re2 f5 28.g3 Qh6 29.Rh1 b5 30.h3 Kh8 31.Ree1 R4e7 32.h4 Qd6 33.Rhg1 Rc7 34.Rc1 Rc4 35.Rc3 Rec8 36.Rgc1 Rg8 37.Rg1 Qg6 38.Rc4 bc4 39.Qa3 f4 40.ef4 Qc2 41.Kf3 Qe4 42.Kf2 Re8 43.Re1?? Qe1-+ (43...Qe1 44.Kg2 Qe2 45.Kg1 Qd2 46.Qc1 Qc1 47.Kg2 h5 48.a4 Re2 49.Kf3 Qe3#) 0–1. Coltharp,Cameron (2215) – Halwick,Floyd (2340), 1999.

10.c3 de3 11.fe3 Bc7 12.Na3 Re8 13.e4 h6 14.Qd2 a6 15.Rfd1 Be6 16.Nc2 c4 17.Ncd4 Ne5 18.Ne5 Be5 19.g3 (19.Ne6 Re6 (worse 19...fe6 20.d4+–) 20.g3 Bd6-/+) 19...Bh3 20.Bf3 Rc8 21.dc4 Rc4 22.Qe2 Qc8 23.Rd3 Nh7 24.Qe3 Ng5 25.Re1 b5 26.Bh1 Bc7 27.Rd2 Bb6 28.a3 a5 Black prepares the advance b4 (28...Re5 29.Qd3-/+) 29.e5 Rc5 30.Rf2 b4 (30...f6 31.Qd3 fe5 A) 32.Nb5?? Be6 33.g4 Bc4-+ (worse 33...Bg4 34.Nd6 Qe6 35.Ne4 Nh3 36.Kf1 Nf2 37.Nf2-+); B) 32.Nc2-+) 31.ab4 (31.cb4 Rce5 32.Qe5 Re5 33.Re5 Bd4-+) 31...ab4 (31...Ree5 32.bc5 Re3 33.Re3 Bc5 34.Rfe2-/+) 32.Nf3? (better 32.c4-+) 32...Rce5 33.Qe5 0–1. Pereira – Clarmens, internet, 2020.

10.c3 de3 11.fe3 Bc7 12.Qb3 Re8 13.e4 Bf4=+.

10.c3 de3 11.fe3 Bc7 12.e4 Be6 13.Na3 (13.Nbd2 Bf4=+) 13...Ng4 (13...c4 14.Nb5=+) 14.Bc1 Qb8 15.h3 Nh2 16.Nh2 Bh2 17.Kh1 Be5 18.Qc2 Qd8 19.Bf4 Bf4 20.Rf4 Qd6 21.Raf1 Ne5 22.Nb1 Rad8 23.Rd1 Nc6 24.Rf3 Rd7 25.Nd2 Ne5 26.Re3 Ng6 27.Bf1 Qf4 28.Rde1 Ne5 29.Nf3 Nc6 30.Qb2 Qf6 31.Qb5 Qe7 32.a4 Rb8 33.Rd1 Rbd8 34.a5 a6 35.Qa4 Qd6 36.Rde1 Qc7 37.Ra1 f6 38.Qa3 Qd6 (38...Ne5!?=+) ½–½. Poschmann,Hans (2265) – Halwick,Floyd, IECC, 2002.

10.c3 de3 11.fe3 Re8 12.e4 c4 13.d4 b5 (13...Ne4 14.Bc4 Be6 15.Bd3=+) 14.a4= a6 (< 14...Ne4 15.ab5 Rb8 16.Bc4+/-) 15.Ng5 (15.ab5 ab5 16.e5 Nd5=) 15...Ne4-/+ 16.Ne4 (16.Nf7 Qd5 17.ab5 ab5=+) 16...Re4 17.Bh5 (17.Bf3 Re6=+) 17...f5 (17...f6 18.Qf3 Re6 19.Bg4-/+) 18.Bf3=+ Re6 19.Qc2 Rg6 20.Na3 (20.Ba3 Qd7=+) 20...Rb8 21.Rae1 Bc7 22.ab5 ab5 23.Bd5 Kf8 24.Nb5 Bh2 25.Kh2 Qd5 26.Re8 Kf7 27.Rc8 Rb5 28.Ba3 Nd8 29.Qe2= Rh6 30.Kg1 Re6 (30...Ne6 31.Qc4 f4 32.Qd5 Rd5 33.Rb8+=) ½–½. pierre – maximusus, internet, 2006.

10.ed4 cd4 11.Nbd2 Re8 12.Nc4 Bc7 13.h3 b5 14.Ncd2 Bb7 15.Re1 Qd5 16.Nb3 Increasing the pressure on the isolated pawn on d4 (16.a4 b4=+) 16...Qd6 17.a4?? (17.g3 Qd5-/+) 17...b4?? (better 17...Ne5 18.g3 Nf3 19.Bf3 Re1 20.Qe1 Bf3 21.Nd4 Re8-+) 18.Nfd4?? (better 18.Bd4 Nd4 19.Nbd4-/+) 18...Qh2 19.Kf1 Qh1 0–1. retiponziani (1895) – Chemiker (2315), ChessWorld.net, 2015.

10.ed4 Re8 11.Nbd2 cd4 12.Nb3 Bc3 13.Bc3 dc3 14.Re1 Qd6 15.d4 Bf5 16.Bb5 Re1 17.Qe1 Nd5 18.Bc6 Qc6 19.Ne5 Qe8 20.Qd1 b6 21.g4 (21.Qf3 Qe6-/+) 21...Be6 22.Qf3 Qa4 23.g5 Rf8 24.a3 f6 (24...f6 25.g6 h6-/+ (25...fe5?! 26.Qf8 Kf8 27.gh7=+)) 0-1. marekt (2155) - kylion (2445), gameknot.com, 2019.

10.e4 Bc7 11.Nbd2 Be6 12.Ng5 Bd7 13.Ngf3 Qe7 14.c3 dc3 15.Bc3 b6 16.Qc2 Rfe8 17.Qb2 b5 18.Bf6 (18.Qb5? Nd4 19.Nd4 cd4-+) 18...gf6 19.Rac1 (19.Qb5? Nd4 20.Nd4 Bb5 21.Nb5 Bf4-+) 19...Bd6 20.d4 (20.Qb5? Nd4 21.Nd4 Bb5 22.Nb5 Bf4-+) 20...cd4 21.Qb5 (worse is 21.Nd4 Bh2 22.Kh2 Qd6 23.g3 Qd4 24.Qd4 Nd4+=) 21...Ne5 22.Qa6 d3 (22...Bc8 23.Qb5 Rb8 24.Qa5+=) 23.Bd1 (23.Bd3 Bc8 24.Rc8 Rac8 25.Bb5 Nf3 26.Nf3=) 23...Bc8 24.Qa4 Rd8 25.Bb3 Bg4 26.Ne5 Qe5 27.g3= Qh5 28.Bd1 Be2 29.Nb3 Rab8 30.Qa7 Bb4 31.Qa6 Kg7 32.Qc4 Qb5+= 33.Qb5 Rb5 34.f4 Bf1 35.Kf1 Ba3 36.Rc4 Rb4 37.Rb4 Bb4 38.Kf2 f5 39.Ke3 fe4 40.Ke4 f5! 41.Ke3 Kf6 42.a4 d2 43.Ke2 Re8 44.Kd3 Re1 45.Kc2 Re3 46.Kb1 Ke6 47.Kb2 Kd6 48.a5 Kc7 49.Bh5 Kb7 50.Bd1 Rc3 51.Kb1 Ka7 52.Bc2 Rc8 53.Kb2 Bc3 54.Kb1 h6 55.Nd2 Bd2 56.Bf5 Rc1 57.Kb2 Ka6 58.Be6 Ka5 59.f5 Rc6 60.Bd5 Rc5 61.Be4 Kb4 62.Bc2 Bg5 0–1. Szabo,Almos (2300) – Calugaru,Viorel (2325), 1st Romanian Internet Championship, 2005.

10.e4 Be6 11.Nbd2 Qe7 (better 11...Bc7=+) 12.Ba3 (12.Nb3!?=+) 12...Bc3-/+ 13.Rb1 (13.Nb3 Bb3 (worse 13...Ba1 14.Bc5 Qc7 15.Qa1+=) 14.ab3 Ba1 15.Qa1 b5-/+) 13...Ba2-+ 14.Rb5 b6 15.Nb1 Bb4 16.Bb4 Nb4 17.c4 dc3! 18.Nc3 Be6 0–1. Cottarelli,Franco (1880) – Fels,Bernhard (2205), TT/1/14/1 ICCF, 2014.

10.e4 Re8 11.Nbd2 Bc3 12.Bc3 dc3 13.Nb1 Qa5 14.a4 b5 15.e5 (15.Na3 b4 16.Nc4 Qc7+=) 15...Nd5 (15...Ne5 16.Ne5 Re5 17.Bf3=) 16.Nbd2 (16.Na3!? b4 17.Nc4+=) 16...cd2-/+ 17.ab5 Qb5 18.c4 Qb2 19.cd5 Ne5 20.Nd2 Bf5 21.Ne4 Rad8 22.Ng3 g6 (22...Bc8 23.Qa4+=) 23.Ra7 Rd5 The pressure on the isolated pawn grows 24.Nf5 gf5 25.Re1 (25.Ra1 Rb8=) 25...c4+= 26.Bf1 Qb6 27.Ra1 cd3 28.Qd2 Rd4 29.Rab1 Qg6 30.Kh1 f4 31.Rb4 Qd6 32.Rb5 Kg7 33.Rd1 Rc4 34.Qa5 f3 35.g3 Rc2 36.Rd5 Qf6 37.Qa4 Rf2 38.Qd4 Re2-/+ 39.Rd3 Re1 40.Kg1 Nd3 41.Qf6 Kf6 42.Rd3 R8e3 43.Kf2 Rd3 44.Bd3 Rh1 45.h4 h6 46.Kf3 Ke5 47.Be2 f5 48.Bd3 Rc1 49.Ke3 Rc3 50.Kd2 Ra3 51.Ke2 Rb3 52.h5? Kf6 0–1. Rudbeck,Joergen (2405) – Orellana,Carlos (2120), WCCC29SF14 (WS), 2005.

9.a4 d4 10.Na3 Re8=+ 11.Nc4 Rb8 12.Na3 Ba5 13.Ne1 Bc7 14.Rb1 Be6 15.Ba1 Qd6-/+ 16.g3 Ba2 17.Rb2 Bd5 18.Nc4 Qe6 19.Nb6 Bb6 20.Rb6 Qh3 21.f3 Nd7 22.Rb1 f5 23.Ng2=+ g5 24.c4= Bf7 25.f4+/- Qh6 26.fg5 Qg5 27.Nh4 Be6 28.Bd3 Rf8 29.ed4 cd4 30.Nf3 Qg7 31.Qe2?? Nc5=+ 32.Rb6 Qc7 33.a5 Rbe8 34.Nd4 Nd4 35.Bd4 Nd3? 36.Re6+– Re6 37.Qe6 Qf7 38.Qe3 Qc4 39.Qg5 Kf7 40.Qf5 (40.Qf5 Ke8 41.Qf8 Kd7 42.Rf7 Qf7 43.Qf7 Kd6 44.Qb7+–) 1–0. Valenta,Vit (2170) – Nemcova,Katerina (2145), Znojmo CZE Open, 2006.

9.c3 Ba5 10.d3 b5 11.Nbd2 Bb7 12.a4 Bc7 13.ab5+= ab5 14.Ra8 Ba8 15.Qb3 Qb8 16.c4 Nb4 17.Bf6 gf6 18.Qb2 Kg7 19.cb5 Qb5+= 20.Rb1 Rb8 21.Nf1 Rb6 22.Ng3 Qc6 23.Nf5+/- Kf8 24.Qd2 (24.Qd2 Qd7 25.N3h4+/-) 1–0. Mroz,Antoni – Jakubiec,A, corr Poland, 1987.

9.c4 d4 10.d3 Bg4 11.e4 Bf3 12.Bf3 Ne5 13.Be2 b5 14.f4= Ned7 15.e5 Ne8 16.Nd2 Nc7 17.Ne4 Nb6 18.Nd6 bc4 19.dc4 Ne6? 20.Rb1 Nc8 21.Ne4 Ne7? 22.f5+– Nc7 23.f6 gf6 24.Nf6 Kh8?? 25.Bd3 Ng6?? 26.Qh5 Qf6 27.ef6 Ne6 28.Bg6 fg6 29.Qe5 Nc7 30.f7# 1–0. Fredek (2090) – Pozzuoli, Freundschaftspartie, 5m + 0s, 2005.

9.c4 d4 10.ed4 cd4=+ 11.d3 Qd6 12.Nbd2 Ba3 13.Ba3 Qa3 14.Qb3 Qd6 15.Rfe1 Rb8 16.Ng5 Ng4 17.Bg4 Bg4 18.h3 Qg6=+ 19.hg4 Qg5 20.Qd1 Rfe8 21.Ne4 Qg6 22.f3 Ne5 23.Rb1 b5 24.cb5 ab5 25.Rb2 h6 26.Qb1 Qb6 27.Qc2 Rec8 28.Qb3 Qc6 29.Rbe2 b4 30.Ng3= Ng6 31.Nf5 Qc3 32.Qd5? Qd3 33.Qd4 Qd4 34.Nd4 ½–½. Kulbacki,James – Marfia,James, Ann Arbor ch–MI op, 1983.

9.d3 Re8 10.c3 Ba5 11.Nbd2 Qe7 12.Re1 Bg4 13.Nb3 Bc7 14.h3 Bf3 15.Bf3 Ne5 16.Be2 c4 17.Nd4 Qd6 18.Nf5 Qd7 19.Nd4 cd3 20.Bd3 Ne4 21.Qc2 Nd3 22.Qd3 Qd6 23.Nf3 b5 24.Red1 Rad8 25.a4 ba4 26.Qd4 Bb6 27.Qa4 Nf2 28.Kf2+= Re3 29.Rd4 Rde8=+ 30.Qd1 Qg6-/+ 31.g4? Bd4 32.cd4 Rd3 (33.Qh1 Ree3-+) 0–1. Miltner,A – Kirwald,Detlef Michael, M181D BdF, 1994.

9.d3 Re8 10.Nbd2 d4 11.e4 Bc3 12.Qc1 b5 13.Rd1 h6 14.Nf1 Be6 15.Ng3 Rb8 16.Bc3 dc3 17.h3 a5 18.Re1 b4 19.Bd1 c4 20.e5 cd3 21.cd3 Nh7 22.Ne4 Qd3 23.Bc2 Qa6 24.Nf6 Nf6 25.ef6 Qb5 26.Qf4 b3 (better is 26...Qh5-/+) 27.ab3+= Nb4 (27...Rbc8 28.fg7 Kg7 29.Re3+=) 28.Qg3 g5 29.Re5 Qe5 30.Qe5 (30.Ne5?! Nc2 31.Rc1 Nd4+=) 30...Nc2 31.Ra5 Bg4 32.Qg3 Ne3 33.fe3 (33.hg4?! c2 34.Rc5 Rbc8 35.Rc2 Rc2 36.fe3 Rc6+–) 33...c2 34.Qg4 (better is 34.Rc5 Rbc8 35.Rc2 (35.Qg4?? Rc5 36.b4 c1Q 37.Kh2 Rc4-+; 35.hg4?? Rc5 36.Kh2 c1Q-+) 35...Rc2 36.Qg4+–) 34...c1Q-+ 35.Kh2?? (better is 35.Kf2 Qe3 36.Kg3 Rb3 37.Kh2-+) 35...Qc7 36.Qg3 Qa5 0–1. Gankin,Stanislav (2305) – Loskutov,Oleg (2430), Tomsk City–ch, 2007.

9.Na3 Re8 10.Re1 de3 11.fe3 Ne4 12.Nc4 Na5 13.c3 Nc4 14.Bc4 Ba5 15.d3 Nd6 (15...Nc3? 16.Qb3 Be6 17.Bc3 Bc4 18.Qc4 Bc3 19.Qc3+–) 16.Bd5 Be6 17.Qb3 (17.Be6 Re6 (worse is 17...fe6 18.Rf1+=) 18.Qa4 Qb6+=) 17...Qc7-/+ 18.Be6 Re6 (18...fe6?! 19.d4=) 19.Qd5 Rae8 20.e4 c4 21.e5 cd3 (better is 21...Qb6 22.Kh1 Qb2 23.Qa5 Nf5+=) 22.ed6+= Qb6 23.Kh1 Re1 24.Ne1 Qb2 25.d7 Rf8 26.Rd1 Qc3 27.Nd3 Bb6 28.Ne5 Qc7? (better is 28...Qa5 29.Qe4 g6=) 29.Rf1+– Qc5 30.Qc5 Bc5+/- 31.Rc1 Be7 32.Rc8 f5 33.Nc4 b5 34.Na5 Bf6 35.Nc6 a6 36.Kg1 g6 37.Kf2 Kg7 38.Rf8 Kf8 39.Ke3 h5 40.d8Q Bd8 41.Nd8 Ke7 42.Nb7 h4 43.Kd4 Kf6 44.Nc5 a5 45.Nd3 b4 46.Kc4 f4 47.Nf4 Kf5 48.Ng6! Kg6 49.Kb5 Kf5 50.Ka5 Ke4 51.Kb4 Ke3 52.a4 Kf2 53.a5 Kg2 54.a6 Kh2 55.a7 h3 56.a8Q Kg1 57.Qa1 Kg2 58.Qb2 Kh1 59.Qf2 (59.Qf2 h2 60.Qf1#) 1–0. Teichmann,E (2325) – Jones,G (2550), Doeberl Cup, Canberra AUS, 2010.

9.ed4 cd4 10.a3 Bd6 (10...Bc5 11.d3-/+) 11.Nd4 Bc5 (better is 11...Nd4 12.Bd4 Bh2 13.Kh2 Qd4-/+) 12.Nc6 (12.Nb3 Bd6+=) 12...bc6 13.c4 (13.Nc3 Re8=) 13...h5 (13...Bf5 14.d4 Bd6 15.Ra2=) 14.Nc3 Rb8 15.a4?? (better is 15.Qc2=) 15...Rb2-+ 16.Qc1 (16.Ra2 Ra2 17.Na2 Qd4-+) 16...Rd2 17.Rd1 (17.Bf3 Qd3 18.Ra2 Ra2 19.Na2 Ng4-+) 17...Rd1 (17...Bf2!? 18.Kh1 Rd1 19.Qd1-+) 18.Qd1 (18.Nd1 Re8 19.Ra2 Qc7-+) 18...Qb6 19.a5 (19.Qc2 Bf2 20.Kh1 Bd4-+) 19...Qb2 (better is 19...Bf2 20.Kh1 Qc5 21.Bf3-+) 20.Na4 Qd4 21.Nc5 Qc5 22.a6 (22.Bf3 Bg4-+) 22...Ng4 (22...Re8 23.Bd3-+) 23.Qf1 Qe5 24.Rb1 Qh2# 0–1. Neumann,Frank – Goepfert,Christian, SN–2012–0-00437, 2012.

9.ed4 cd4 10.d3 Bg4 (10...Re8 11.c3 Bc5 12.cd4 Nd4 13.Nd4 Bd4 14.Bd4 Qd4 15.Nd2+=) 11.Nbd2 (better is 11.Nd4!? Be2 12.Ne2+=) 11...Re8-/+ 12.Nb3 Increasing the pressure on the isolated pawn on d4 12...Qe7 13.h3 Bh3 (13...Bh5 14.a3 Qe2 15.Qe2 Re2 16.Nfd4 Nd4 17.Nd4=) 14.Nfd4 Nd4 15.Nd4 Bd7 16.Bf3 Qc5 (16...Rab8 17.a3 Ba5 18.Qc1+=) 17.Nb3 Qg5 18.Bf6 (18.Bb7 Rab8 19.Qf3 Ng4+=) 18...gf6 (18...Qf6!? 19.Bb7 Rad8=) 19.Bb7+= Rab8 20.Bf3 Bd6 21.Re1 Re1 22.Qe1 Qh4 (22...Qf4!? 23.Qa5 Qh2 24.Kf1 Qh1 25.Ke2 Re8 26.Kd2 Qh6 27.Kc3 Rc8 28.Kb2 Be6+/-) 23.g3+/- Qg5 24.a3 Re8 25.Qf1 (25.Qa5 Bh3+/-) 25...Kh8 (better is 25...a5 26.Qc1 Qc1 27.Nc1 Re1 28.Kg2 Be5+=) 26.Na5?? (better is 26.d4!?+/-) 26...Bc5?? (better is 26...Qa5 27.c4 Be5-+) 27.Nc4 (27.Nb3 Qg3 28.Bg2+=) 27...Rg8?? 28.Qg2?? Qh6 29.c3 Rc8 30.Bd5 Be6 31.Be6 fe6 32.Qf3 Qg5 33.Kg2 Rg8 34.Rh1 Qd5 35.Qd5 ed5+/- 36.Ne3 d4 37.cd4+– Bd4 38.Rh4 Bc5 39.Ra4 Re8 40.Kf3 Rd8 41.Ke2 Re8 42.Ra6 Kg7 43.a4 Kg6 44.Kd2 Kg5? 45.f4 Kg6 46.Nd5 Bd4 47.Rd6 Kf7 48.f5+– Be5? 49.Rd7 Kg8 50.Ra7 h5 51.a5 Rd8 52.Ne7 Kf8 53.Ng6 Kg8 54.Ne5 fe5 55.Ke3 Rd4 56.Re7 Rd5 57.a6 Ra5 58.a7 Kf8 59.f6 Ra6 60.Rb7 Rf6 61.a8Q 1–0. Hal1958 – Tarrega, playchess.de, 2005.

9.ed4 cd4 10.Nd4 Nd4 11.Bd4 Qd4 +=.

9.ed4 Nd4 10.Nd4 cd4 11.a3 Bd6+= 12.g3 Re8 13.Bd4 Bg3 14.hg3 Qd4 15.Nc3 Bh3 16.Re1 Ng4 17.Bg4 Bg4 (17...Qg4?! 18.Qg4 Bg4 19.Rab1=) 18.Ne2?? (better is 18.Nb5 Qd7 19.Re8 Re8 20.f3-+) 18...Be2 19.Re2 (19.Qb1 Qd2 20.Qb7 Qc2-+) 19...Re2 20.Qe2 Qa1 21.Kg2 Qa3 22.Qe4 (22.Qb5 Qe7-+) 22...Qa6 (22...Qb2 23.d3-+) 23.c4 (23.Kf3 Qc6 24.Qc6 bc6-+) 23...Qc6 24.Qc6 (24.Kf3-+) 24...bc6 25.c5 a5 26.Kf1 a4 27.Ke1 a3 0–1. Neumann,Frank (1635) – Dorn,Norbert (2040), RSM2008 remoteschach.de, 2009.

10.h3 Bf3 11.Qf3 Ne5 12.Qg3 Ng6 13.d3 Ba5 14.ed4 Bc7 15.Qg5 a6 16.Bc4 cd4 17.c3 Nf4-/+ 18.cd4? Qd6?? 19.Qe5?? Qb6 20.Qc5 Qb2 21.Nc3 Rac8 (21...Rac8 22.Rfe1 b5-+; 21...Qc3 22.Qc7 Ne2 23.Kh2-+) 0–1. Arakelov,Ilya – Lomaya,T, Batumi, 1961.

10.h3 Bh5 =.

11.c3 Ba5 12.cd4 Ne4 13.Qc2+= Bf3 14.gf3 Ng5 15.Qc5 Nf3 16.Kg2 ½–½. mrkt – junguts, internet, 2006.

11.c3 dc3 12.dc3 Ba5 13.Nbd2 Rb8 14.Qc2 Nd5 15.c4 Nb4= 16.Qe4 Nd3 17.Qg4 Rb2 18.Nb3 f5 19.Qh5 g6 20.Qg5 Qg5 21.Ng5 Bb6 22.Nf3 Rd8 23.Nc1 Nb4 24.Ne1 Bc7 25.a3 Nc2 26.Ned3 Na1=+ 27.Nb2 Nc2 28.Ncd3 Na3-/+ 29.Rc1 Ba5 30.Kf1 Bd2 31.Ra1 Bb4 32.Ke2 a5 33.Rc1 Re8 34.f3 ½–½. Paduch,Axel – Herrmuth,Joerg, remoteschach.de, 2003.

11.c3 dc3 12.dc3 Ba5 13.Nbd2 Rb8 14.Qc2 Bh5 15.Rad1 Qe7 16.Ba1 Rfd8 17.Qa4 Bc7 18.c4 Bg6 19.Nb3 Bd3 20.Rfe1 Ne4 21.Nc1 Rb4 22.Qc6 Bc4 23.Rd8 Bd8 24.Rd1 Rb1 25.Be5 Be2 26.Qe4 Bd1 27.Qb1 Bf3+= 28.Qb8 Bd5 29.Nd3 h6= 30.h3 Kh7 31.Nf4 Ba2 32.Qb2 c4 33.Bg7 Bb3 34.Bc3 Bc7 35.Qb1+/- Kg8 36.Nh5 Qd6+= 37.g3 Bd8 38.Qe4+/- Bg5 39.h4 Be7 40.Qg4 Kf8 41.Qg7 Ke8 42.Qg8 Kd7 43.Ng7 Bc2 44.Qe8 Kc7 45.Qf7 Kb8 46.Ne8 Qd1 47.Kh2 Qd7 48.Be5 Kb7 49.Nd6 Kc7 50.Qc4 Qc6 51.Qf7 Qd7 52.Nf5 Kb7 53.Ne7 a5 54.Qc4 Qe7 55.Qb5 Ka7 56.Qa5 Kb7 57.Qb5 Ka7 58.Bb8 Ka8 59.Bf4 +–. pereira – wombat, chessworld.net, 2006.

11.c3 dc3 12.dc3 Qd1 13.Rd1 Ba5 14.Nbd2 Rfd8 15.Nb3+= Bb6 16.h3 Bf3= 17.gf3 c4 18.Nd2 Rab8 19.Nc4 Bc7 20.Rab1 Nd5 21.f4 f6 22.Kg2 Rb7 23.Nd2 Ba5 24.Nb3+/- Nc3? 25.Rd8+– (25.Rd8 Bd8 26.Bc3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

11.h3 Bf3 12.Qf3 Qb6 13.c3= Ba5 14.Ba3 Rfd8 15.cd4 cd4+= 16.Be7 Rd5 17.Bf6 gf6 18.ed4 Qd4 19.Nc3 Bc3 20.dc3 Qc5 21.Qf6 Rf5 22.Qh4 Re8 23.Rae1 Rfe5 24.Qg3 Kf8 25.Re5 Qe5 26.Qd3 Re6 27.Rb1 Qe4 28.Rb8 Kg7 29.Qd8 Qe1 30.Kh2 Qf2 31.Qf8 Kg6 32.Rb4 Kh5 33.Qg7+– Rg6 34.Qh7 Rh6?? 35.Rh4!?= Qh4 36.Qf5 Qg5 37.g4 (37.g4 Kh4 38.Qf2#) 1–0. Bulcourf – Pla, Argentina, 1989.

10.Nc3 Be6 11.a3 Bc3 12.Bc3=.

10.Nc3 Be6 11.Rc1 b6 12.a3 Ba5 13.Nb5 (13.Qc2 h6+=) 13...Qd7 14.d4 cd4 (14...a6 15.Ne5 Ne5 16.de5=) 15.Nbd4+= Bd5?? (15...Nd4!? 16.Qd4 Rfc8+/-) 16.Nc6 (better 16.Bb5 Rac8 17.Qa4+-) 16...Bc6+/- 17.Qd7 (17.Ne5 Qd1 18.Rfd1 Ba4+-) 17...Bd7 18.Nd4 Rac8 19.Ba6 (19.Nb3 Rfd8+/-) 19...Rcd8 (19...Rc5 20.Nb3 Rg5 21.f4+/-) 20.Rc7 Nd5 (20...b5!? 21.Ra7 Rb8+/-) 21.Ra7+- Nc3 22.Rc1 Ne4 (22...Na4 23.Rd7! Rd7 24.Bb5 Nb2 25.Bd7+-) 23.f3 (better 23.Be2!?+-) 23...Nc5+/- 24.h3?? (24.Kf2 Ra8 25.Ra8 Ra8+/-) 24...Rfe8?? (24...Bd2 25.Rb1 Be3 26.Kh2 Na6 27.Ra6=+) 25.e4 (25.Bc3 Na6 26.Ba5 ba5 27.Ra6 Re3 28.Ra5 Be8+/-) 25...h5?? (25...Bd2 26.Rb1 Na6 27.Ra6=+) 26.h4?? (better 26.Bc4 Bd2 27.Rd1 Be3 28.Kf1+/-) 26...Bd2=+ 27.Rc2 Be3 28.Kh1 g6 (28...Bd4 29.Bd4 Na6 30.Bb6=+) 29.Kh2 (better 29.Bc4!?+=) 29...Na6=+ 30.Ra6 Rc8?? (better 30...Bd4 31.Bd4 Bb5 32.Rb6 Bd3=+) 31.Re2?? (31.Rc8 Rc8 32.Rb6 Kf8+/-) 31...Bf4?? (better 31...Bd4 32.Bd4 Bb5 33.Rb6 Be2-+) 32.g3+/- Bc7 33.Ra7 Red8 34.Rc2 (34.Rb7 Bd6+/-) 34...Bb8 35.Rc8 Bc8 36.Ra8 Bd7 (36...Bb7 37.Ra4+=) 37.f4 (37.Kg2 Bc7 38.Ra7 Be5+/-) 37...Kf8 (37...Bc7 38.Ra7 Bd6 39.Kg2+=) 38.a4 (38.e5 Rc8+/-) 38...Ke8 (38...Bc7 39.Rd8 Bd8 40.Nb5+=) 39.Ba3 (39.e5 Bc7 40.Ra7 Rc8+=) 39...Bc7 (39...f6 40.Kg2+=) 40.Rd8 (better 40.Nb5!? Bb8 41.Ra6 Bb5 42.ab5+/-) 40...Bd8= 41.Nb5 Be7 42.Nd6 Bd6 43.Bd6 Ba4 44.Bb4 Bc6 45.e5 Bd7 46.Kg1 Be6 47.Kf2 Kd7 48.Ke3 Kc6 49.Kd3 Kb5 50.Kc3 Ka4 51.Bd6 Kb5 52.Bb4 Kc6 53.Bd6 Kd5 54.Bb4 b5 55.Bd6 Ke4 56.Kb4 Kf3 57.Kb5 Kg3 58.Kc5?? (better 58.Be7=) 58...Kh4-+ 59.Kd4 Kg4 60.Ke3 Bf5 (60...h4 61.Bb4 Bd5 62.Kf2 Kf4 63.Be7-+) 61.Ke2 (better 61.Bb4-+) 61...Be6 62.Kf2?? (62.Ke3 h4 63.Kf2 Kf4-+) 62...g5?? (62...Kf4 63.Bc7-+) 63.Kg1?? (better 63.fg5 Kg5 64.Bb4=) 63...gf4-+ 64.Kh2 (64.Bc5 h4 65.Kh2 Kf3-+) 64...f3 65.Kg1 Kf4 (65...h4 66.Bc5-+) 66.Kf2 (66.Be7 Ke5 67.Kf2 Kf4-+) 66...Ke4 (better 66...h4 67.Be7 Kg4-+) 67.Kg1?? (67.Be7-+) 67...h4 68.Kf2 (68.Bc5-+) 68...h3 69.Bc5 (69.Kg3 Ke3 70.Bc5 Ke2 71.Bd4-+) 69...h2 70.Kg3 (70.Ke1 Kd3 71.Kf2 h1Q 72.Kg3 Qg2 73.Kf4 Qg4) 70...h1Q 71.Kf2 (71.Bd6 Qg2 72.Kh4 Qg4) 71...Qg2 72.Ke1 Qe2 0-1. Lance5500 (2385) - Chess_Network (2615), lichess.org, 2016.

10.Nc3 Re8 11.a3 Bc3 12.Bc3 =.

10.Nc3 Bf5 11.a3 Ba5 =.

10.Nc3 Bf5 11.Na4 b6 12.a3 Ba5 13.d4 (13.Rc1 Rc8=) 13...cd4 14.Nd4 Nd4 15.Bd4 Rc8 16.Rc1 Qd6 (16...Qe7 17.Qb3=) 17.Qb3=+ Ne4 (17...Bd2 18.Rc8 Rc8 19.Nc3=) 18.Qb2 (18.Rfd1 Qg6 19.Qb5 Bh3=) 18...Qg6 (18...Bd7 19.Nc3 Bc3 20.Bc3 Rc3 21.Rc3 Nc3 22.Qc3=) 19.Rc8 (19.Rfd1 Bh3 20.g3 Rfd8=) 19...Rc8=+ 20.Rd1 (20.f3 Nd2 21.Rc1 Rc1 22.Qc1 Bh3-/+) 20...h5 (better 20...Bh3! 21.Bf1 h5-/+) 21.f3= h4 22.Ba6 (22.fe4? Be4 23.Bd3 Bd3-+) 22...Rc7 23.Be5 (23.fe4 Be4 24.Qf2=) 23...Rd7= 24.Rd7 Bd7 25.Bd3 (25.Qc2 Ba4 26.Qa4 Nc5 27.Qe8 Kh7=) 25...Qc6 (25...Qg5!? 26.Qd4 Bh3=) 26.Be4 (26.fe4 Qa4 27.Bg7 Qd1 28.Bf1 Qe1+=) 26...Qa4= 27.h3 (27.Qc1 Be6=) 27...Qd1 28.Kh2 Be1 29.Qd4 (29.Bb8 Qd2 30.Qd4 Qd4 31.ed4 Bf2 32.Ba7 Bd4=+) 29...Qd4=+ 30.Bd4 (30.ed4 Bc3=+) 30...Bf2-/+ 31.f4 f6 32.Bg6 (32.Bc2 Kf8-/+) 32...Kf8 33.Be4 (33.Bh5 Be8 34.Bf3 Ke7-/+) 33...Ke7 (33...Ke8 34.Bd5-/+) 34.Kh1 (34.Bf3 Kd6-/+) 34...Kd6 35.Kh2 (35.Bf3 Kc7-/+) 35...Bc6 (35...Kc7 36.Bc2-/+) 36.Bg6 Bb5 (36...Kc7 37.Bf5-/+) 37.Kh1 (37.Bf5 Kc7-/+) 37...Kc7 38.Be4 (38.Kh2 a5-/+) 38...Bf1 (38...Bd7 39.Bd3-/+) 39.Bf3 (39.Kh2 Bc4-/+) 39...Bd3 (39...a5-/+) 40.g4 (40.Kh2!?=+) 40...hg3-/+ 41.Kg2 Kd6 (41...Kd7 42.Bd5-/+) 42.h4 (42.Bb7 Bc2-/+) 42...Bc2 (42...Ke6 43.Bc6-/+) 43.h5 Ke6 44.Bc6 (44.Bg4 Ke7-/+) 44...Bd1 (44...Kf5 45.Bf3-/+) 45.Bf3 Bb3 46.Bc6 (46.Bg4 Ke7-/+) 46...Kf7 (46...Kf5 47.Bb7-/+) 47.Bf3 Bc2 (47...Ke7 48.Be4-/+) 48.Bd5 (48.Bc6 Bd3-/+) 48...Kf8 49.h6 (49.Bc6 Ke7-/+) 49...gh6-+ 50.Bf6 Be3 51.Be5 (51.Kg3 Bc1-+) 51…Bf2 0–1. Bischoff,Klaus (2500) – Meier,Georg (2640), 88. ch–GER, 2017.

10.Nc3 Bf5 11.Qb3 Qd6 =.

10.Nc3 Bf5 11.d3 Ba5 12.e4 (12.Rc1 Qe7=) 12...Bg4 13.h3 (13.Na4 b6=+) 13...Bf3 14.Bf3 Nd4 (14...Bc7 15.Na4=+) 15.Rb1 Nd7 (15...Re8!?=+) 16.Nd5+= Rb8 (16...Nb6!?+=) 17.Bd4+– cd4 18.Qa4 Bb6 (18...Ne5!?+–) 19.Nb6 Nc5?? (better 19...ab6 20.Qd4 Nc5 21.Qd8 Rfd8 22.Rb6 Nd3+–) 20.Qa7+– Nd3 21.Nd5 Re8 (21...Ne5 22.Qd4 Nf3 23.gf3+–) 22.Qd4 Ne5 23.Be2 Qg5 24.f4 (24.f4 Nc6 25.fg5 Nd4 26.Bh5 Re4 27.Rf7+–) 1–0. Pierre – GuestWypack, internet, 2020.

10.Nc3 Bf5 11.d3 Rc8 12.Na4 (better is 12.h3=) 12...Qd6?? (better is 12...c4 13.dc4 Qd1 14.Rfd1 Bc2+=) 13.e4+/- b5 14.Nc3 (14.a3 Ba5 15.e5 Qd5 16.ef6 ba4+/-) 14...Bg6 (better is 14...Bd7 15.Nb5 Qe7+/-) 15.Nb1 (better is 15.Nb5 Qe7 16.e5+=) 15...Qb8= 16.Na3 Ng4 17.Nc2 Nd4?? 18.Bd4+– cd4 19.Rb1 f5?? 20.e5 (20.e5 Bc3 21.Ncd4 Bd4 22.Nd4 Qe5 23.Nf3=; 20.Rb4 fe4 21.de4 Rf3=; 20.Nb4?! fe4 21.de4 Rf3+/-) 1–0. Cebolla Moll,Ricardo (2035) – Pelegri Castello,Elias (1845), Cullera ESP, 2012.

10.Nc3 Bf5 11.Ne1 Qd7 (11...Qd6 12.Nf3+=) 12.d3 (12.Nf3 Rad8+=) 12...Rac8 (12...Rad8 13.a3 Ba5 14.Rc1+=) 13.Rc1 (13.Nc2 Ba5+=) 13...Rfd8 14.e4 (14.a3 Ba5+=) 14...Be6 15.f4 (15.a3 Ba5 16.Na4 b6-/+) 15...Qe7 (15...Nd4 16.f5 Bc3 17.Rc3-/+) 16.f5 (16.e5 Bc3 17.Bc3 Nd5+=) 16...Bd7 17.Nc2 (17.Nf3 c4 18.Nd5 Nd5 19.ed5 c3 20.Bc3 Bc3 21.Rc3 Nb4 22.Rc8 Rc8-/+) 17...Ne5 Black prepares the advance c4 (17...c4 18.Nb4 Qb4 19.Ba1 cd3 20.Qd3 Bf5 21.Qb1-/+) 18.Ne3 (better is 18.Nb4!? cb4 19.Nd5 Nd5 20.ed5=) 18...Bc6-/+ 19.Qc2 (19.Ncd5 Nd5 20.Nd5 Bd5 21.ed5 Rd5 22.a3-/+) 19...b5 (better is 19...c4 20.d4 Bc3 21.de5 Bd2 22.ef6 Be3 23.Kh1 Qe4-+) 20.g4?? (better is 20.Kh1+=) 20...c4!-+ 21.d4 (21.dc4 Bc5 Decoy) 21...Rd4 22.Ncd5 (22.Rf4 Qc5 23.Kf1 Nd3 24.Bd3 Rd3-+) 22...Rd5 (22...Nd5?! 23.Bd4 Ne3 24.Be3-+; 22...Bd5?! 23.Bd4 Be4 24.Qb2-+) 23.Nd5 (23.ed5 Nd5 24.Ng2 Bc5 25.Rf2 Nb4-+) 23...Bc5 (better is 23...Nd5 24.Bd4 Bc5 25.Rcd1-+) 24.Kg2 Bd5 (better is 24...Nd5!? 25.ed5 Bd5 26.Kh3-+) 25.ed5 Nd5 26.Qe4 Ne3 27.Kh1 (27.Kh3 Nf1 28.Qe5 Qe5 29.Be5 Ne3-+) 27...Nf1 28.Rf1 Nc6 29.Qe7 Be7 30.a4 (30.Rd1 Bf6 31.Bf6 gf6-+) 30...a6 (30...ba4 31.Ra1 Rb8 32.Ra2-+) 31.Bf3 (31.Kg2 Rd8 32.ab5 ab5-+) 31...Nb4 (31...b4 32.Bd5 c3 33.f6 Bf6 34.Bc1-+) 32.Re1 (32.ab5 ab5 33.Ba3 c3-+) 32...Kf8 (32...Bh4 33.Re2 ba4 34.Ba3-+) 33.f6 gf6 34.Ba3 c3 35.Bb7 Rc7 36.ab5 ab5 37.Be4 Na2 Black intends b4 38.Ra1 Ba3 39.Ra2 b4 40.Bc2 Re7 41.Bb3 Re1 42.Kg2 Rb1 43.Bc4 b3 (43...b3 44.Bb3 Rb3-+) 0–1. Lorenc,Tomas (2095) – Jarrah,Kamal (2065), CZE–ChT2B, 2012.

10.Nc3 Bg4 11.a3 =.

10.cb4 Nb4 11.Nc3 Bf5 +=.

10.cb4 Nb4 11.Ne1 de2 12.Qe2 b6 -/+.

11.cb4 cb4 12.Ne1 ½–½. Franke,Roland (2010) – Kurka,Dieter (2025), Sibenik CRO, Euro Senior Team Ch, 2014.

11.cb4 cb4 12.Bf6 gf6 13.a3 b3 14.Nc3 Be6 15.Rb1 Qc4 16.Re1 b5 17.e4 Rac8 18.Nd5 Bd5 19.d3 Qc2 20.ed5 Qd1 21.Red1 Na5 22.Nd4 Rfd8 23.Nc6 (worse is 23.Nb5 Rd5 24.a4 a6-+) 23...Nc6 24.dc6 Rc6 25.Rb3 Rd5 26.h3 Kg7 27.d4 a6 28.Rbd3 f5 29.Kf1 Kf6 30.f4 Rc4 31.Kf2 Ke6 32.Kf3 h5 33.R1d2 h4 34.g3 hg3 35.Kg3 Rd6 36.d5 Kd7 37.Re2 Rg6 38.Kf3 Rc1 39.Kf2 Rgg1 40.Kf3 Kd6 41.Rb2 Rg6 42.Rf2 Rh1 43.Ke2 Rgg1 44.Rff3 Ra1 45.Ke3 Rac1 46.Kd2 a5 47.Rb3 Rc5 48.Rfe3 a4 49.Rbd3 Rc4 50.Re8 Rh2 51.Re2 Re2 52.Ke2 Rf4 53.Kd2 Rf1 54.Kc3 f4 55.Kb4 Rb1 56.Ka5 Rb3 57.Rd4 f3 58.Rd2 Ra3 59.Kb5 Re3 60.Ka4 Re2 61.Rd3 Re4 62.Kb5 Rf4 63.Rd1 f2 0–1. Yarmolyuk,Yury (2130) – Ralls,Nelson (2500), SH–2006–0-00066, 2006.

11.cb4 Nb4 12.Bf6 gf6 13.a3 =.

11.cb4 Nb4 12.Bf6 gf6 13.Nc3 Kh8 (13...Rd8 14.Na4 b6 15.a3=) 14.a3+= Nc6 15.Qa4 Rg8 16.Ne4?? (better 16.Qe4 Bf5 17.Qf4+=) 16...b5-+ 17.Nc5 Qf1! (17...ba4? 18.Nd3 Bg4 19.Nde1+-) 18.Kf1 (18.Rf1 ba4 Zwischenzug; 18.Kf1 ba4 Zwischenzug) 18...ba4 19.Rc1 0-1. pacal56 (2220) - topce (2265), Rated Blitz game, lichess.org, 2014.

11.cb4 Nb4 12.Bf6 gf6 13.Ne1 Qg6 14.Nc3 Rd8 15.Ne2 Nd5 16.Nf3 b6 17.Ng3 Ne7 18.Ne2 Bg4 19.Nf4 Qf5 20.h3 Bf3 21.Qf3 Ng6 22.g4 Qg5=+ 23.Nh5 f5 24.d4 fg4 25.hg4 cd4 26.ed4 Nh4 27.Qg3 Rd4 28.f4 Qd8 29.g5 Ng6 30.Qc3?? Rc8?? 31.Qb2 (31.Qb2 f5 32.Rfe1 Nf4 33.Re8 Qe8 34.Nf6 Kf7 35.Ne8 Re8 36.Kh1-+). Pedersen,Erik – Christensen,Tobias, DEN–chT, 1998.

11.cb4 Nb4 12.Bf6 gf6 13.Ne1 Qg6 14.Nc3 Rd8 15.Qf3 Kg7 16.a3 Nc6 17.Qe2 Be6 18.f4 Rd7 19.e4 f5 20.e5 Rad8 21.Qe3 Nd4 22.Rf2 b5 23.Rb1 a6 24.Ne2 Kh8 25.Nd4 Rd4 26.Nf3 Rc4 27.Ng5 Bd5 28.d3 Rc3 29.Qd2 b4 30.ab4+/- cb4 31.Rb4 Qc6 32.Rc4 Bc4= 33.Qc3 Rd3 34.Qc2 Qd5 35.h3 Qd4 36.e6 fe6 37.Nf7 Kg7-/+ 38.Ne5 Rc3 39.Qb2 Bd5 40.Kh2 Qe3 41.Nc4 Qg3 42.Kg1 Kh6 43.Ne5 Rb3 44.Qa1? Kh5?? 45.Qd1-/+ Kh4 46.Qa1 Be4 47.Nf3 Bf3 48.Qf6 Kh5 49.Qf7 Qg6 50.Qg6 hg6 51.gf3 Kh4 52.Kg2 a5 53.Ra2 a4 54.Ra4 Rb2 55.Kf1 Kg3 56.Ra6 Kf3 57.Ke1 Re2 58.Kd1 0–1. Saradjen,Janko (2215) – Jelen,Igor (2425), SLO–ch Skofja Loka, 2000.

9.c3 Ba5 10.Ba3 Bc7 11.d4 b6 12.g3 Ne4 13.Nfd2 Rd8 14.Ne4 de4 15.Qa4 Qg6 16.dc5 Ne5 17.Nd2 Bg4 18.Bg4 Rd2 19.Bd1 h5 20.Qa6 Rad8 21.Qa7+/- R2d7 22.Qa6 h4+/- 23.cb6 hg3 24.hg3 Nd3 25.Bh5 Qh6?? 26.Bf7+– Kh7? 27.Qa4 Nf2 28.Rf2 Bg3 29.Qe4 Kh8 30.Re2 Rd1-/+ 31.Kg2 Ra1 32.Kg3 Rg1 33.Rg2 Qg5 34.Kh3 Rh1 35.Rh2 Qh6 36.Kg4 Rh2 37.Be7 Qh3 38.Kf4 Rf2 (38...Rf2 39.Ke5 Qh2 40.Ke6 Rb8 41.Qh4 Qh4 42.Bh4 Rb6 43.Ke7 Rb7 44.Kd6 Rff7-+ (< 44...Rbf7 45.Bf2 Rf2 46.e4-+)) 0–1. Martenot,Jean – Lacoste,Alain, corr FRA AJEC57, 1985.

9.Nc3 Bc3 10.Bc3 Ne4 11.Bb2 c4 12.Nd4 Qb4 13.Nc6 bc6 14.Qc1 Qd2 15.Qd2 Nd2 16.Rfd1 Ne4 17.Rab1 Bf5 18.f3 Ng5 19.h4 Bc2 20.hg5 Rfb8 21.Rbc1 Bd1 22.Bd1 Rb2 23.Ba4 Rc8 24.e4 Ra2 0–1. purplegadge (1775) – sisenor (1705), gameknot.com, 2014.

9.Nc3 Bf5 +=.

9.c4 dc4 10.Bc4 Bg4 11.h3 Bh5 12.Be2 Rad8 13.a3 (13.Na3 Ne4 (13...Bd2? 14.Nc4 Qe6 15.Ncd2+–) 14.Nc4 Qe6-/+) 13...Ba5 14.Qc2 Bf3 (14...Bc7 15.Rc1 Bf3 16.Bf3 Qh2 17.Kf1-/+) 15.Bf3 Bc7 (15...Ne5 16.Be2=) 16.g3= Rfe8 17.Rd1 h5 (17...Re6=) 18.h4 (18.Nc3 Qe6 19.Na4 b6 20.Bf6 Qf6 21.Bh5 Qh6+=) 18...Qe6 (18...Ng4 19.Rc1 Nf2 20.Kf2 Qg3 21.Ke2 Nd4 22.Bd4 cd4 23.Rf1 d3 24.Qd3 Rd3 25.Kd3 Rd8 26.Ke2 Qh2 27.Rf2 Qh4 28.d4-+) 19.Bg2 (19.Qc5 Ne5 A) 20.Bb7?? Qb3 21.Be5 Qd1 22.Kg2 Be5-+ (22...Re5?! 23.Qc7 Ree8 24.Qc3=); B) 20.Be5 Be5 21.Nc3+=) 19...Be5= 20.Nc3 Qg4 21.Rf1 (21.Rab1 Rc8=) 21...Qe6 (21...c4 22.Rab1=) 22.Rab1 Qg4 (22...Qc4 23.Rfd1=) 23.Qd1 (23.Na4 c4+=) 23...Rd6 (23...c4 24.f4 Qd1 25.Rfd1 Bc3 26.Bc3=) 24.Qg4 hg4 (worse 24...Ng4 25.Ne4 Rd7 26.Bc1+–) 25.d4 cd4 26.Nb5 Rd7 27.Bc6 (27.Nd4 Bd4 28.ed4 a5+=) 27...bc6=+ 28.Nd4 Ne4 (28...c5!? 29.Ne2 Bb2 30.Rb2 Rd3=+) 29.Nc6+= Nd2 (better 29...Bd6!? 30.Rbc1 Rc7+=) 30.Ne5+– Rb7 31.Nd3 (31.Ng4?! Nb1 32.Rb1 f5=) 31...Nb1 (31...Reb8 32.Rfd1 Nb1 33.Rb1+–) 32.Rb1+– Reb8 33.Rd1 Rd8? (better 33...Rb2 34.Nb2 Rb2+–) 34.Bd4 f6 35.Nc5 Re7 36.Rb1 a5 (36...Kf7 37.Kg2+–) 37.a4 Ra8 38.Rb5 Rc7 (38...Ree8 39.Kg2+–) 39.Kf1 Rc6 40.Ke2 Kf7 (40...Rcc8 41.e4+–) 41.Kd3 Kg6 42.Nb3 Rac8 43.Rc5 (43.Ra5!? Rc2 44.h5 Kh6+–) 43...Rc5 44.Bc5 Kf5 (44...Rb8 45.Kc4 Ra8 46.Kb5+–) 45.e4 Kg6 (45...Ke6 46.Bb6+–) 46.Kc4 f5 (46...Kh5 47.Na5 Re8 48.Kb5 Rb8 49.Bb6+–) 47.e5 1–0. UncleBulgaria (2430) – Haroldlee123 (1790), ChessWorld.net, 2015.

9.c4 d4!? 10.Qb3 Rd8-/+.

9.d3 Re8 10.Nbd2 Ba5 11.c4 d4 12.e4 Bc7 13.Re1 Ng4 14.Nf1 f5 15.ef5 Bf5 16.Ng3 Bg6 17.Nh4 Nge5 (17...Qf6!? 18.Bg4 Re1 19.Qe1 Qh4 20.Qe6 Kh8-/+) 18.Ng6=+ Qg6?? (better 18...Ng6 19.Qb3 Qe6=+) 19.Bh5+– Qh6 20.Be8 Re8 21.Bc1 Qg6 22.f4 Nd7 23.Re8 Qe8 24.Bd2 Nf6 25.Qe2 Qg6 (25...Qe2 26.Ne2 a6 27.Rb1+–) 26.Re1 (better 26.Rb1 Bb6 27.Qe6 Kh8 28.Qc8 Ng8 29.Ne4+– (29.Qb7?! Qd3 30.Rb2 Ba5+–)) 26...b6?? (better 26...Qf7+–) 27.Qe6 White intends f5 27...Kf8 (27...Qf7 28.Qc6 Bd8+–) 28.f5 (better 28.Qc6 Ne8 29.Re8 Qe8 30.Qc7+–) 28...Qg4?? (better 28...Qe8 29.Bh6! Qe6 30.Re6 Ng4 31.Bg7 Kg7 32.Nh5 Kf7 33.Rc6 Bh2 34.Kf1 Bb8+–) 29.Qc6 Bg3 30.hg3 (30.Qc8 Kf7 31.Qe6 Kf8 32.Qe7 Kg8 33.Qd8 Kf7 34.Re7) 30...Qf5+– 31.Qf3 (better 31.Qd6!? Kf7 32.Qe7 Kg6+–) 31...Qd7 (31...Qf3 32.gf3 Kf7 33.Bf4+–) 32.Bg5 Kf7 (32...Qd8 33.Qf5 Qd7 34.Re6+–) 33.Bf6 gf6 34.Rf1 (34.Rf1 Qe6 35.Qb7 Qe7 36.Qd5 Kg7 37.Rf4 Qe3 38.Kh2+–) 1–0. Osmak,Iulija (2380) – Voit,Daria (2380), European ACP w Blitz, 2018.

9.d3 Bf5 10.Nbd2 Ba5 11.c3 (11.Rb1 Rab8=+) 11...Bc7 12.Re1 Rfe8 13.Nf1 h6 14.Qa4 Ne5 (14...b5 15.Qc2-/+) 15.Red1 (15.Ne5 Re5 16.Ng3 Bg6=+) 15...Bd7 (15...b5 16.Qc2-/+) 16.Qc2 Qe6 17.Ne5 Be5 18.Bf3 Bc6 (18...b5 19.c4 bc4 20.dc4 Bb2 21.Qb2=+) 19.d4=+ cd4 20.cd4 Bd6 21.Qb3 Qe7 (21...Qd7 22.a4=+) 22.Rab1 (22.Ng3 Qd7 23.a4 Rac8=) 22...Rec8 (22...Qd7!? 23.Rdc1 Ba4=+) 23.Rdc1=+ b6 (23...Ne4 24.Be4 Qe4 25.Ng3=) 24.Qd3 (24.Ng3 Qd7=) 24...Rc7 25.Nd2 (25.Ng3 g6=+) 25...Rac8 26.Bd1 Bb7 (26...Ne4 27.Ne4 de4 28.Qa6=+) 27.Rc7 Rc7 28.Rc1 (28.h3!?=+) 28...Rc1-/+ 29.Bc1 Qc7 30.Bc2 (30.Ba3!? Bh2 31.Kf1-/+) 30...Bh2 31.Kh1 Bd6 32.Bb2 Qc8 (32...Ba6 33.Qc3-+) 33.Qf5 (33.Kg1 Ne4 34.Ne4 de4-+) 33...Qf5 34.Bf5 Ba6 (34...Ne4 35.Ne4 de4 36.Bg4-+) 35.g3 g6 36.Bc2 Kf8 37.Kg2 Ke7 38.Bc3 Bb5 39.Bb2 (39.f3 Nh5 40.g4 Ng3-/+) 39...Bb4 (39...Ke6 40.a3-+) 40.Nf3-/+ Nd7 41.a3 Bd6 42.Bc1 (42.Ne5 Ne5 43.de5 Bc5-/+) 42...f5 (42...Nf6 43.Ne5-/+) 43.Nh4 Kf6 44.Nf3 (44.f3 h5-/+) 44...Nb8 (44...g5 45.Ne1-+) 45.Bb3 (45.Ne5 Be8-/+) 45...Ke6-+ 46.Bc2 Nc6 47.Nd2 Na5 (47...h5 48.f3-+) 48.f3 g5 (48...Nc4 49.Nc4 Bc4 50.g4-+) 49.Kf2 Nc4 50.Nc4 Bc4 51.Kg2 (51.g4 fg4 52.fg4 b5-+) 51...b5 52.Kf2 a5 Black prepares b4 53.Bb2 (53.g4 fg4 54.fg4 b4 55.ab4 Bb4-+) 53...b4 (53...h5 54.e4-+) 54.ab4 Bb4 55.Bc1 (55.Ba4 Bd3-+) 55...Bc3 (better 55...Bb5!? 56.e4 fe4 57.fe4 de4 58.Ke3-+) 56.Ba4 Kf6 57.f4 (57.Bc6-+) 57...g4 58.Ba3 Bb4 59.Bc1 Ke6 60.Bb2 Be7 (better 60...Ba6!?-+) 61.Bc3 Bb4 62.Bb2 Bd3 63.Bc1 Ba6 64.Bb2 (64.Bc6 Bc8 65.Ke2 Bd7-+) 64...Bc8 65.Bc2 (65.Bb3 h5-+) 65...Bd7 66.Bd3 a4 67.Ba1 a3 68.Bc2 (68.Ke2 h5-+) 68...Bb5 69.Bb3 Bc4 (better 69...h5-+) 70.Bc4 (70.Ba4-+) 70...dc4 71.Ke2 Kd5 72.Kd1 Ke4 73.Kc2 Ke3 74.d5 h5 75.Be5 (75.d6 Bd6 76.Kc3 h4 77.Kc4 h3-+) 75...h4! 76.gh4 g3 77.d6 g2 78.d7 Ba5 79.Bb8 Bb6 (better 79...a2 80.Ba7 Ke2-+) 80.Ba7 Ba7 81.d8Q g1Q 82.Qd2 (82.Qe7 Kf4 83.Qc7 Kf3 84.Qc6 Kg3 85.Qd7 Qf2 86.Kc3-+) 82...Kf3 83.Qd5 Kf4 (83...Kg4 84.Qg8 Kf4 85.Qc4 Bd4 86.Qc7 Kg4 87.Kb3-+) 84.Qd6 (84.Qc4 Bd4 85.Qe6 Qg2 86.Kb3 Qb2 87.Ka4 a2 88.Qh6 Ke5 89.Qh8 Ke4 90.Qe8 Kf4 91.Qe1 Bc3 92.Qf1 Ke3 93.Qg1 Ke4 94.Qh1 Ke5 95.Qh2 Qh2 96.Kb3 a1Q 97.Kc4 Qa4 98.Kc3 Qhc2) 84...Kg4 85.Qg6 Kh4 86.Qh6 (86.Qh7 Kg3 87.Qg6 Kh3 88.Qh7 Kg2 89.Qg8 Kf2 90.Qc4 Qg4-+) 86...Kg4 87.Qg7 (87.Qg6 Kf4 88.Qd6 Kg5 89.Qa3 Qf2 90.Kb1-+) 87...Kf3 88.Qb7 Ke2 89.Qd5 Qd4 90.Qe6 Qe4 (90...Qe4 91.Qe4 fe4 92.Kc3 Kd1 93.Kc4 a2 94.Kd5 e3 95.Kc6 a1Q 96.Kb5 e2 97.Kc6 e1Q 98.Kb5 Qb2 99.Kc6 Qe6 100.Kc7 Qb8) 0–1. Fora,Jean_Paul – Maruejols,Claude (1905), Muret France, Open, 2016.

9.d3 Bf5 10.Nbd2 Rad8 11.Rb1 Rfe8 12.c4 dc4 13.Nc4= Qe7 14.a3 Ba5 15.Qb3 Rb8 16.Na5 Na5 17.Qc3 b6 18.Ne5 Nd5= 19.Qc2 c4 20.Bf3 cd3 21.Nd3 Rbc8 22.Qa4 Nc3 23.Bc3 Rc3 24.Nf4? Ra3-+ 25.Qb5 Bb1 26.Rb1 Qe5 27.Bd5 Re7 28.g3 Ra1 29.Ra1 Qa1 30.Kg2 g6 31.h4 Kg7 32.Nh3 Nb7 33.Qb4 Nc5 34.Ng5 Qe5 35.e4 Rc7 36.f4 Nd3 37.Qa4 Qb2 (37...Qb2 38.Qc2 Rc2 39.Kf3 Ne1 40.Kg4 h5 41.Kh3 Rh2#) 0–1. Schoenwaelder,Bernd (2000) – Bakhmatov,Eduard (2215), Nettetal Chessgate op, 2004.

9.d4 cd4!? 10.Nd4 a6+=.

9.d4 Ne7 10.c3 Ba5 11.c4 (11.Nbd2 Bb6=) 11...dc4 (11...cd4 12.Nd4 dc4 13.Bc4=) 12.Ba3 (12.Na3 c3 13.Bc3 Bc3+=) 12...b5 (better is 12...c3!?+=) 13.Bc5+= Qc7 14.a4 a6 (14...b4 15.Bc4 Ne4 16.Qc2 Nc5 17.dc5+=) 15.Na3 (15.ab5!? ab5 16.Na3+/-) 15...Ne4+= 16.ab5 Nc5 17.dc5 (better is 17.Nc4!? Nb7 18.Ra5 Na5 19.b6+=) 17...ab5= 18.Nb5 Qc5 19.Nfd4 Bd7 (19...Bb7 20.Qc2=) 20.Qa4+= Attacks the isolani on c4 20...Nd5 (20...Rfc8 21.Rfc1 Bd2 22.Qa8 Bc1 23.Qb7+=) 21.Qc4 Qc4 (21...Bb6 22.Qc5 Bc5 23.g3+=) 22.Bc4+/- Nb6 23.Be2 Bb4 24.Bf3 Ra1 25.Ra1 h6 26.Bc6 Bg4 27.h3 Bh5 28.Ra6 Rb8 29.f4 (29.Be4 Nd7+/-) 29...Bd2+= 30.Kf2 Nc4 31.g4 Bg6 32.f5 Be3 33.Ke2 Bh7 34.Kd3 Bd4 35.Kd4 (35.Kc4?! Bf2=) 35...Nb6 36.Ra7 (36.Kc5 Nc8 37.Bd7+/-) 36...g6 (better is 36...Kf8!?+/-) 37.f6+– g5 38.Kc5 Bg6 39.Ra6 (39.Nd4 Bd3+–) 39...Nc8 40.Ra8 Ra8 41.Ba8 ½–½. Matveenko,Yury (2060) – Puchko,Nikolay (1845), Voronezh RUS, 2014.

9.Bb5 a6 10.Bc6 bc6 =.

9.c3 Ba5 10.Qc2 Bc7 11.Rd1 Bg4 12.h3 Bh5 13.d3 Re8 14.a4 Qd6 15.d4 Bf3 16.Bf3 Qh2 17.Kf1 cd4 18.cd4=+ Ne4 19.Nc3= Nb4 20.Qb3 Ng3! 21.Ke1 Qg1 22.Kd2 Qf2 23.Kc1 Qe3 24.Kb1 Ba5 25.Bc1 Qe6 26.Ba3 Qg6 27.Kb2 Nd3 28.Ka2 Bc3 29.Qc3 Nf2 30.Rdb1 Rac8 31.Qb3 Ne2 (31...Ne2 32.Be2 Re2 33.Rb2 Qe4-+) 0–1. Cetwinski,Olgierd (2210) – Morchat,Miroslaw (2245), corr Poland–ch13T, 1999.

9.c4 dc4 10.a3 Ba5 11.Qa4 =+.

9.c4 dc4 10.a3 Ba5 11.Qc2 b5 12.Ng5 Qd7 13.Bf6 Bf5 14.Bg4.

9.c4 dc4 10.Qc2=+ Ba5 11.Na3 Nb4 12.Qb1 Nd3 13.Bf6 gf6 14.Qc2.

9.c4 dc4 10.Qc2 b5 11.Ng5! g6 (11...h6?? 12.Bf6 Qf6 13.Qh7) 12.d3 cd3 13.Qd3 (13.Bd3!? (idea Bxg6, hxg6, Nxe6, fxe6, Qxg6=)) 13...Qd3 14.Bd3 c4 15.Ne6?! (15.Bg6!? fg6 (15...hg6 16.Bf6) 16.Ne6) 15...fe6 16.Be2 Nd5 17.Bf3 Rac8 18.Bd5 ed5 19.Bc3 Bc5 20.Nd2 b4 21.Bd4 Nd4 22.ed4 Bd4 23.Rab1 a5 24.Nf3 Bf6 25.Rfd1 Rfd8 26.Kf1 d4 0–1. Trkn – Harm, itsyourturn.com (Harm), 2000.

9.c4 dc4 10.Qc2=+ Qd7 11.Bf6 gf6 12.a3 Ba5 13.Bc4 Bg4 14.Be2.

9.c4 d4 10.a3 Ba5 11.Qb3 Re8=+.

9.c4 d4 10.Qb3 Re8 11.Re1 Qd7 12.ed4 cd4 13.Na3 Ne4 14.Qc2.

9.c4 d4 10.Qc2 Qd6 11.Na3 Rfd8 12.ed4 Nd4 13.Nd4 cd4 14.Qd3.

9.c4 d4 10.d3 Re8 11.Na3 (11.a3 Ba5=+) 11...a6 (11...Bf5 12.Nc2 Bc3 13.Bc3 dc3 14.Rb1=) 12.Nc2 Ba5 (better is 12...Bc3!? 13.Bc3 dc3=+) 13.ed4+/- cd4 14.Ncd4 Nd4 15.Nd4 Bb6 16.Ne6 Re6 17.Bf3 Rb8 18.Rb1 Bd4 19.Bd4 Qd4 20.Bb7 Rd6 (20...Ng4 21.c5 Ne5 22.Qc2+–) 21.Ba6 (21.Ba6 Ra8 22.Bb5+–) 1–0. mrkt – "Zukertort", internet, 2005.

9.c4 d4 10.Bd3 Bg4 (10...Qd6 11.Qc2 Ba5 12.ed4 cd4 13.Qb3 Bg4 14.c5) 11.ed4 cd4 12.h3 Bf3 13.Qf3 Ne5 14.Qe2.

9.c4 d4 10.ed4 cd4 (10...Nd4 11.Nd4 cd4 12.Qb3 Qb6 13.Na3 Ne4 14.Nc2) 11.Qc2 h6 12.a4 Re8 13.Na3 Bc5 14.Qb3.

9.c4 Re8 10.cd5 (10.a3 Ba5 11.Qc2 (11.cd5 Bd5 12.Qc2 Ne4 13.Nc3 Nc3 14.Bc3) 11...d4= 12.Ng5 Bd7 13.Bd3 g6 14.h3) 10...Bd5=+ (10...Qd5 11.Bf6 gf6 12.Nc3 Bc3 13.dc3 Qd1 14.Rfd1; 10...Nd5 11.a3 Ba5 12.Qc2 Qd7 13.Qc5 Bb6 14.Qc1) 11.Nc3 (11.a3 Ba5=+ 12.Qc2 Ne4 13.Nc3 Nc3 14.Bc3) 11...Be6 (11...Bc3 12.Bc3 (12.dc3 Qb6 13.Qc2 Rad8 14.Rfd1) 12...Ne4 13.Qc2=+ (13.Qc1 Qd6 14.Bb2) 13...f6 14.Rab1) 12.Qc2= (12.Ng5 Bc3 13.dc3 Qd1 14.Rfd1) 12...a6 (12...Qe7 13.a3 (13.Na4 b6 14.a3) 13...Bc3 14.Bc3=; 12...Qd7 13.a3 Bf5 14.Qb3) 13.Rfd1 (13.Na4 Nd7= (13...b6 14.a3) 14.a3; 13.a3 Bc3 14.Bc3) 13...Bg4 (13...b5 A) 14.a3 Ba5 15.d4 cd4 16.Nd4 Nd4 17.Rd4= (worse 17.ed4 Rc8 18.Rac1 Nd5-/+); B) 14.a4+–; 13...c4 14.Ng5) 14.d4 (14.Na4 Nd4 15.Nd4 cd4 16.Bg4 Ng4+–; 14.h3+=) 14...Bf3 (14...cd4 15.Nd4 Be2 16.Qe2 Nd4 17.Rd4 Qd4 18.ed4 Re2 19.Ne2=+) 15.Bf3=. Furlepa,Zdzislaw – Zamarski,Ryszard, corr 1AMM Poland, 1991.

9.d3 Ba5 10.Nbd2= Bc7 11.c3 Qd6 12.Re1 Ng4 13.h3 Nge5 14.Nf1 f5 15.Qc1 Nf3 16.Bf3 Ne5 17.Be2 Rf6 18.d4 cd4 19.cd4 Ng6 20.Ng3 Ba5 21.Rf1 Rc8=+ 22.Qd1 f4 23.Nh5 Rf7 24.ef4 (24.ef4 Nf4 25.Nf4 Qf4 26.Bc1=+; 24.Qb3 Bd2=+). Sternik,Ryszard – Klos,Zbigniew, Goleniow corr, 1993.

9.d3 Ba5 10.Nbd2 Bc7 11.c4 dc4 12.Nc4 Bc4 13.dc4 Qe7 =+. Sternik.

9.d3 Ba5 10.Nbd2 Bc7 11.Ng5 Bd7 12.c4 d4 13.ed4 Nd4=+ 14.Bd4 cd4 15.Nb3 Ba4 16.Qb1 Nd5 17.Ne4 Nf4 18.Bf3 Ne6 19.Nbc5?? Nc5=+ 20.Nc5 Qd6 21.g3 Qc5 22.Qb7 Bc2 23.Qb5 Qb5 24.cb5 Rac8 25.Rac1 Ba5 26.Bc6 Bd3 27.Rfd1 Be2 28.Rd4 Bb5! 29.Rd5 Bc6 30.Ra5 Bf3 31.Re1 Rfe8 32.Rb1 Re7 33.Kf1 g6 34.Ra3 Be2 35.Kg2 Bc4 36.Rb2 g5 37.Ra5 h6 38.h3 Rd8 39.Rc5 Re2 40.Re2 Be2 41.a4 Rd3 42.g4 Ra3 43.a5 a6 44.Re5 Bb5 (44...Bb5 45.Re7 Kg7-+) 0–1. Mroz,Antoni – Sternik,Ryszard, corr 1. AMM Poland, 1991.

9.d3 b5 10.a4 a6 (10...ba4!? 11.c3 Ba5=) 11.ab5+= ab5 12.Ra8 Qa8 13.c3 Ba5 14.Nbd2 c4 15.Qc2 Qb7 16.Ba3 Ra8 17.Bc5 Bb6 18.Bb6 Qb6 19.Rb1 Bd7? (better 19...Qa5=) 20.dc4+/- 1-0. marekt (2530) - DarkKnightsPawn (2205), ChessWorld.net, 2018.

9.d3 Rc8 10.c4 d4 11.Na3 Re8 12.Nc2 de3 13.fe3 Ng4 14.h3 Nh6 15.Nb4+= Nb4 16.a3 Nc6 17.Qe1 Qd7 18.Qf2 f6 19.Rae1 Ne7 20.Nd2 b6 21.Ne4 Rf8 22.Rd1 Nhf5 23.Nc3 Qc7 24.Bg4 Bd7 25.a4 Nh4?? 26.Qh4+– (26.Qh4 Bg4 27.Qg4+– (< 27.hg4 Rce8+–)) 1–0. Woelfelschneider,Peter – Stummerer,Alfred, Match TSC–CiF, 2003.

9.d3 Qe7 10.Nbd2 Rad8 11.c3 Ba5 12.d4 Ne4 13.Rc1 Rfe8 14.dc5 Nc5 15.Nb3 Na4 16.Ba1 Bc7=+ 17.Nbd4 Nb6 18.Rb1 Bd7 19.Qc2 Ne5 20.Ne5 Qe5 21.Nf3 Qh5-/+ 22.c4 Bf5 23.Qb2 f6 24.Rbc1 dc4 25.Bc4 Nc4 26.Rc4 Bb6 27.Rf4 Be4 28.Rc1=+ Qf7 29.Nd4 Bd5 30.Nf5 Rd7 31.h3 Qg6-/+ 32.Nh4 Qd3 33.Rg4 Be6 34.Ra4 Rc7 35.Ra3 Rc1 36.Qc1 Qe4 37.g4 Bd5 38.Kh2 Bc7!! 39.f4 g5 (39...g5 40.Kg3 gh4 41.Kh4 Bb6 42.Bf6 Be3 43.Re3 Qe3 44.Qe3 Re3-+) 0–1. Sternik,Ryszard – Kuperski,Marek, corr 2. AMM Poland, 1994.

9.d3 Re8 10.a3 Ba5 11.Ne5 =+.

9.d3 Re8 10.a3 Ba5 11.Ng5 =+.

9.d4 Ne4 10.a3 Ba5 11.dc5 Bc7 12.Nc3 Nc5 13.Nb5 Bb8 14.Nbd4 Nd4 (better is 14...Bd6!?=) 15.Qd4+/- (15.Bd4?! Bd6=; 15.Nd4?! Na4 16.Rb1 Qd6=) ½–½. Khannanov,Ruslan (1790) – Vildanov,Ruslan (1885), Sterlitamak RUS, Rochinskiy Open, 2012.

9.Ne5 Ne5 10.Be5 Nd7 11.Bd6 Re8 =.

9.Ng5 Ba5 10.f4 (10.Bb5 Bg4 11.Bf6 Qf6 (worse is 11...Bd1 12.Bd8 Bd8 13.Nh7 Kh7 14.Rd1+=) 12.Qg4 Qa1+=) 10...Bc7 (10...Bf5 11.Na3+=) 11.Nc3 (11.Bd3 d4=) 11...a6 (11...Bf5 12.Nb5+=) 12.Ne6 fe6 13.Bg4 (13.a4 d4 14.Na2 e5+=) 13...Qd6+= 14.Qf3 e5 15.Ne2 Ne4 (15...e4 16.Qg3+=) 16.Rad1 Qg6 (better is 16...Ba5!? 17.c3 Nf6+=) 17.d3+/- Nf6 Black plans e4 18.Be6 Kh8 19.Bd5 Nb4? (better is 19...Nd5!? 20.Qd5 ef4 21.Nf4 Bf4 22.Rf4 Rf4 23.ef4 Rf8+/-) 20.Bb3 (20.Bb7 e4 21.de4 Rab8+–) 20...e4 (20...ef4 21.Qb7 Ng4 22.Rf3 fe3 23.Rf8 (23.Qc7 Rf3 24.Qg7 Qg7 25.Bg7 Kg7 26.gf3 Nf2+/-) 23...Rf8 24.Qc7+–) 21.de4 c4 (21...b5 22.a3 Nc6 23.e5+–) 22.Bc4 Nc2 23.e5 Ng4 24.Bd3 (24.Qb7 Nce3 25.Bd4 Nc4 26.Qc7 Nge3=) 24...Qh5 (24...Qh6 25.Qg4 Ne3 26.Qf3 Nf1 27.Kf1 Qh2 28.Qh3 (28.Qb7? Qh1 29.Ng1 Rf4 30.Ke2 Rb8-+) 28...Qh3 29.gh3+–) 25.h3 Nce3 26.Bd4 (better is 26.hg4 Ng4 27.Qg3 Rae8+–) 26...Nf1 27.hg4 Qh2 28.Kf1 Qh1 29.Ng1 Rad8 30.Qe4 b5 31.Ke2 (better is 31.Bc5 Rf7 32.Ke2+–) 31...Ba5?? (better is 31...Rd4 32.Qd4 Qg2 33.Ke3 Qg3 34.Kd2 Rf4+/-) 32.Nh3 (32.Nh3 Qg2 33.Qg2 Rd4 34.Qc6+–) 1–0. Udaykumar,Arunn Mark (1710) – Lutter,Maximilian (1990), German Youth Championship Open A, 2016.

9.Ba3 Ba3-/+ 10.Na3 a6 (10...Ne4 11.Nb5 (11.Rb1 a6 12.h3 b5 13.c3 Bf5 14.Rc1 Qf6 15.d4) 11...a6 12.Nc3 Bf5 13.Rb1 b5 14.a3 b4 15.ab4; 10...Bf5 11.Bd3 (11.Nh4 Bd7 12.Nb5 Be6 13.Rb1 d4 14.Na3 Rb8 15.Bd3) 11...Ne4 12.Rb1 Qa5 13.Nb5 Bg4 14.Nc3 Bf3 15.gf3) 11.c3 (11.Nb1 Qa5 12.d3 h6 13.Nbd2 Qc3 14.Qb1 b5 15.a4) 11...Ne4 (11...Qd6 12.h3 b5 13.d3 Bf5 14.Nc2 a5 15.a3) 12.Qc2 Bf5 (12...Qf6 13.Rac1 c4 14.d3 cd3 15.Bd3) 13.Qb2 (13.d3 Nf6-/+ 14.Nh4 Bd7 15.Qb3) 13...b5 (13...Qf6 14.Rac1 b5 15.d3) 14.d3 Nd6 (14...Ng5 15.d4) 15.h3 (15.d4-/+) 15...Qd7 16.Nc2 Bh3 17.Ng5? (better 17.gh3!? Qh3 18.Ng5-/+) 17...Bg4-+ 18.Bg4 Qg4 19.Nf3 (19.Nh3 Ne5 20.Ne1 Nf5-+) 19...Re6 20.Nce1 (20.Rfd1-+) 20...Rh6 21.Nh2 (21.Nd2 Nf5 22.f4-+) 21...Qh5 22.Nef3 (22.f4 Qh2 23.Kf2 Nf5-+) 22...Ne5 23.Qe2 (23.Rfd1 Nf3 24.gf3 Qh2 25.Kf1-+) 23…Nf3 (23...Nf3 24.Nf3 Qh1) 0–1. Maly,Guenther (1665) – Baermann,Joachim (2130), RSS5E NoEngine–120, 2010.

9.Ba3 d4 A) 10.Bd3 A1) 10...Nd5 11.c3 (11.ed4 cd4 12.Re1 Bg4 13.Re8 Qe8 14.Bb5 Bf3 15.Qf3) 11...dc3 12.dc3 Ba3 13.Na3 Bg4 14.Qb1 Bf3 15.gf3; A2) 10...Re7 11.Bb2 (11.h3 Be6 12.Ng5 Qd5 13.Ne6 Re6 14.Qe2 Ne5 15.Bf5) 11...Bg4 12.h3 Bf3 13.Qf3 Ne5 14.Qg3 Qd5 15.Rd1; A3) 10...Bg4 11.h3 (11.Bb4 Nb4 12.Bb5 Bf3 13.Qf3 Nc2 14.Be8 Qe8 15.ed4) 11...Bh5 12.Re1 Qd5 13.Bb5 de3 14.Re3 Re3 15.fe3; B) 10.Bc4 B1) 10...Ne4 11.Bb4 (11.d3 Ba3 12.Na3 Nc3 13.Qd2 Bg4 14.Kh1 Bf3 15.gf3) 11...cb4 12.d3 Nc5 13.Qe2 Qe7 14.Nbd2 h6 15.e4; B2) 10...Be6 11.Be6 (11.Qe2 Nd5 12.Bb4 Ncb4 13.Na3 Bg4 14.h3 Bh5 15.Rab1) 11...Re6 12.c3 dc3 13.dc3 Ba3 14.Na3 Ne4 15.Qb3; B3) 10...Bg4 11.c3 (11.h3 Bf3 12.Qf3 Ne5 13.Qe2 a6 14.Bb3 d3 15.cd3) 11...dc3 12.dc3 Ba3 13.Na3 Ne4 14.Qd8 Rad8 15.Rfc1; C) 10.Bb4 C1) 10...Nb4 11.Bb5 (11.Na3 Bf5 12.ed4 cd4 13.Bb5 Re7 14.Qb1 a5 15.Qb2) 11...Bd7 12.Bd7 Qd7 13.Na3 Re6 14.Nc4 Qd5 15.a3; C2) 10...cb4 11.a3 (11.Bb5 de3 12.de3 Qa5 13.Bd3 Bf5 14.Nbd2 Rad8 15.Nb3) 11...b3 12.Qc1 Bf5 13.cb3 Rc8 14.Qc4 Be4 15.Re1; D) 10.Bb2 D1) 10...a6 11.h3 (11.c3 d3 12.cb4 cb4 13.Bd3 Qd3 14.Bf6 gf6 15.a3) 11...Bf5 12.Na3 b5 13.Nh4 Be6 14.Bf3 Nd5 15.e4; D2) 10...Rb8 11.a4 (11.Na3 Ne4 12.Bd3 Bf5 13.Re1 Qf6 14.Qe2 Bg4 15.Be4) 11...Bf5 12.Na3 Ne4 13.Nc4 Re6 14.Bd3 h6 15.Qe2; D3) 10...Be6 11.Ng5 (11.Na3 Ne4 12.Nc4 b5 13.a3 Bc4 14.ab4 Be2 15.Qe2) 11...Bf5 12.c3 Ba5 13.cd4 cd4 14.Qb3 Nd5 15.Bf3.

9.Ba3 Qd6 A) 10.Bb2 A1) 10...Bf5 11.Nc3 (11.Nh4 Bd7 12.Nf3 a6 13.Bf6 Qf6 14.Nc3 Qd6 15.a3) 11...a6 12.Nh4 Bd7 13.f4 d4 14.Na4 Ba5 15.Ba3; A2) 10...Bd7 11.Nc3 (11.a3 Ba5 12.Bf6 Qf6 13.Nc3 Qd6 14.Qb1 a6 15.Qa2) 11...a6 12.Na4 Ba5 13.Ba3 b6 14.Rb1 Ne7 15.c4; A3) 10...a6 11.a3 (11.Re1 Bf5 12.Nh4 Bd7 13.Nf3 d4 14.Na3 b5 15.c3) 11...Ba5 12.Bf6 Qf6 13.Nc3 Qd6 14.Bd3 c4 15.Be2; B) 10.Nc3 B1) 10...Bc3 11.dc3 Bg4 12.c4 Rad8 13.Bb2 d4 14.Nd4 Be2 15.Ne2; B2) 10...a6 11.Bb4 (11.Bb2 Bf5 12.d4 c4 13.Nh4 Bd7 14.Rb1 b5 15.h3) 11...cb4 12.Na4 Rb8 13.d4 Bf5 14.Nc5 a5 15.Bb5; B3) 10...Ba3 11.Nb5 Qe7 12.Na3 Bf5 13.Bd3 Bg4 14.Nb5 a6 15.Nc3; C) 10.c3 C1) 10...Ba5 11.Qb3 (11.Qc2 h6 12.Bb2 Bd7 13.d3 Bf5 14.Nbd2 c4 15.h3) 11...Bf5 12.d4 Ne4 13.dc5 Nc5 14.Bc5 Qc5 15.Nd4; C2) 10...Ba3 11.Na3 (11.Qb3 Bb4 12.cb4 cb4 13.a3 Ne4 14.ab4 Qb4 15.Qd5) 11...a6 12.h3 b5 13.Nc2 Ne4 14.Qe1 Qf6 15.d4; D) 10.Bb4 D1) 10...Nb4 11.a3 (11.Bb5 Bd7 12.Bd7 Qd7 13.a3 Nc6 14.Nc3 d4 15.Ne2) 11...Nc6 12.Nc3 a6 13.Bd3 b5 14.Re1 Bb7 15.g3; D2) 10...cb4 11.a3 (11.d4 Ne4 12.Nfd2 Ng5 13.Bd3 g6 14.h4 Ne4 15.Ne4) 11...Bd7 12.ab4 Nb4 13.Nc3 h6 14.Nd4 a6 15.Qb1.

9.Ba3 Ne4 A) 10.Bb4 A1) 10...Nb4 11.a3 (11.d3 Nf6 12.Qd2 Bf5 13.a3 Nc6 14.Nc3 d4 15.Na4) 11...Nc6 12.Nc3 Bf5 13.Rb1 Rb8 14.h3 Qd6 15.Bd3; A2) 10...cb4 11.d3 (11.a3 Qf6 12.c3 Qg6 13.Kh1 ba3 14.Na3 Bg4 15.Nb5) 11...Nd6 12.Nbd2 Qf6 13.Nb3 Nb5 14.Qd2 Bf5 15.h3; B) 10.d3 B1) 10...Qf6 11.de4 de4 12.Bb4 Nb4 13.Nbd2 ef3 14.Bf3 Bf5 15.a3; B2) 10...Nd6 11.Bb2 (11.c3 Ba3 12.Na3 Qf6 13.Qb3 Be6 14.d4 c4 15.Qb2) 11...Be6 12.a3 Ba5 13.Nbd2 Qe7 14.Nb3 Bb6 15.a4; B3) 10...Ba3 11.Na3 (11.de4 Bb2 12.ed5 Ba1 13.dc6 bc6 14.Qd8 Rd8 15.Nbd2) 11...Nc3 12.Qd2 Qf6 13.Rae1 Bg4 14.Nd4 cd4 15.Bg4; C) 10.d4 C1) 10...Ba3 11.Na3 Qa5 12.Nb1 Bf5 13.dc5 Qc5 14.Bd3 Rad8 15.Nbd2; C2) 10...Bg4 11.Bb4 (11.dc5 Qf6 12.Bb4 Qa1 13.a3 a5 14.Bd2 Qb2 15.h3) 11...cb4 12.Nfd2 Be2 13.Qe2 Nd6 14.Qf3 Qg5 15.Nb3; C3) 10...Qf6 11.Bb4 (11.c4 cd4 12.Bb4 d3 13.Bd3 Nb4 14.Na3 Bg4 15.Be2) 11...cb4 12.Nfd2 Nd6 13.c3 a5 14.Qb3 Be6 15.Rc1; D) 10.Bb2 D1) 10...h6 11.d3 (11.a3 Ba5 12.d3 Qb6 13.Qc1 Nf6 14.Nbd2 Qd8 15.Nb3) 11...Ng5 12.c3 Ba5 13.Nbd2 Bf5 14.Qb3 Qd6 15.c4; D2) 10...Bg4 11.d3 (11.h3 Bf5 12.d3 Nf6 13.Nbd2 Qd6 14.Nb3 h6 15.a3) 11...Nf6 12.Nbd2 Qe7 13.Nb3 d4 14.a3 Bc3 15.Bc3; D3) 10...Bf5 11.d3 (11.Nc3 h6 12.Bd3 Bg4 13.Rb1 a6 14.Kh1 b5 15.a3) 11...Nf6 12.Nbd2 Qe7 13.Nh4 Be6 14.Nhf3 Qd6 15.a3.

9.Ba3 Be6 A) 10.Bb2 A1) 10...h6 11.Nc3 (11.Na3 a6 12.c3 Ba5 13.h3 Ne4 14.Qc2 Qf6 15.Rac1) 11...Ne4 12.Bd3 Bg4 13.Re1 Ne5 14.Be2 Bf3 15.gf3; A2) 10...Ne4 11.d3 (11.h3 f6 12.d3 Nd6 13.a3 Ba5 14.Nbd2 Qe7 15.Nb3) 11...Nd6 12.a3 Ba5 13.Nbd2 Qe7 14.c4 d4 15.Nb3; A3) 10...d4 11.Ng5 (11.Na3 Ne4 12.Nc4 b5 13.a3 bc4 14.ab4 d3 15.bc5) 11...Bf5 12.c3 Ba5 13.cd4 cd4 14.Qb3 Qc7 15.Na3; B) 10.c3 B1) 10...Ba5 11.Qc2 (11.Bc5 Ne4 12.Ba3 a6 13.Nd4 Qg5 14.f4 Qh6 15.Nc6) 11...Rc8 12.Ng5 Bd7 13.Bc5 h6 14.Nf3 Bg4 15.d3; B2) 10...d4 11.cb4 (11.Nd4 cd4 12.cb4 a6 13.Bb2 Qd6 14.b5 ab5 15.Bb5) 11...cb4 12.Bb5 ba3 13.Bc6 bc6 14.Nd4 Qd6 15.Nc3; B3) 10...Ba3 11.Na3 Qd7 12.Qb3 a6 13.Qb6 Ne4 14.Rab1 Rab8 15.Rfc1; C) 10.d4 C1) 10...Qb6 11.Bb4 (11.c3 Ba3 12.Na3 Ne4 13.Nb5 cd4 14.Nfd4 a6 15.f3) 11...cb4 12.Nbd2 Bf5 13.Nh4 Be4 14.Ne4 Ne4 15.Bd3; C2) 10...h6 11.dc5 (11.Bb4 cb4 12.Qd3 Ne4 13.Nbd2 Bf5 14.Rfe1 Qd6 15.h3) 11...Qa5 12.Bb4 Qb4 13.Nbd2 Qc5 14.Rb1 Rab8 15.Rb5; C3) 10...Ne4 11.Bb5 (11.dc5 Qf6 12.c3 Ba3 13.Na3 Nc3 14.Qd2 Bg4 15.Nc2) 11...Qb6 12.Bc6 bc6 13.Bb4 cb4 14.Nfd2 Nd6 15.Nb3; D) 10.Bb4 Nb4 (10...cb4 11.a3 a5 12.ab4 ab4 13.Ra8 Qa8 14.c3 Qa5 15.cb4) 11.Bb5 (11.Na3 Ne4 12.Nb5 a6 13.a3 Nc6 14.Nc3 Qf6 15.Rb1) 11...Bd7 12.Bd7 Qd7 13.a3 Nc6 14.Nc3 d4 15.Ne2.

9.Ba3 Bf5 A) 10.Bb2 A1) 10...h6 11.a3 (11.h3 d4 12.Na3 de3 13.fe3 Ne4 14.Nc4 Ng3 15.Rf2) 11...Ba5 12.Nc3 d4 13.Na4 Qd5 14.h3 Rad8 15.Rc1; A2) 10...Ne4 11.d3 (11.Nc3 h6 12.h3 Re6 13.a4 Rg6 14.Kh1 Bc3 15.Bc3) 11...Nf6 12.Nbd2 Qd6 13.Nb3 h6 14.a3 Ba5 15.Na5; A3) 10...Qd6 11.Nc3 (11.h3 a6 12.d3 h6 13.Nbd2 Rad8 14.Rb1 b5 15.a3) 11...a6 12.a3 Ba5 13.d4 c4 14.Nh4 Bd7 15.Nf3; B) 10.Bb4 B1) 10...Nb4 11.d3 (11.Na3 Qa5 12.Qc1 h6 13.Nh4 Bh7 14.Qb2 a6 15.f4) 11...d4 12.e4 Be6 13.c3 dc3 14.Nc3 Bg4 15.Rb1; B2) 10...cb4 11.a3 (11.d3 Qd6 12.Nbd2 Rac8 13.Nb3 Ng4 14.h3 Nge5 15.Nh4) 11...Rc8 12.ab4 Nb4 13.c3 Nc6 14.Na3 Ne4 15.Nb5; C) 10.Nh4 C1) 10...Bd7 11.Nf3 (11.Bb2 Ne5 12.Nf3 Nc4 13.Bc4 dc4 14.Qe2 b5 15.a3) 11...Ne4 12.Bb2 Qb6 13.Nc3 Bc3 14.Bc3 Qc7 15.Bb2; C2) 10...Ba3 11.Na3 Bc8 12.h3 Ne4 13.Nf3 a6 14.c3 Qc7 15.Qc2; C3) 10...Be6 11.Bb2 (11.Nf3 h6 12.Bb2 d4 13.Na3 Ne4 14.Nc4 b5 15.a3) 11...d4 12.Nf3 Qb6 13.c3 Ba5 14.Qc1 de3 15.fe3; D) 10.c3 D1) 10...Ba5 11.Bc5 (11.Qb3 Qb6 12.Bb2 c4 13.Qb6 Bb6 14.Na3 a6 15.Rad1) 11...Ne4 12.Bd4 g6 13.d3 Ng5 14.Nbd2 Ne6 15.Nb3; D2) 10...Ba3 11.Na3 Ne4 12.Qb3 Qf6 13.Nb5 c4 14.Qb2 Rac8 15.h3.

9.Na3 Qa5 10.Nb1 Bf5?? (10...c4 11.Bc3=+) 11.d3?? (better 11.a3 Qc7 12.ab4 cb4 13.Bf6 gf6 14.c3+-) 11...Qd8 (11...c4 12.a3 Bc5 13.Bc3=+) 12.Nbd2 Rc8 (12...Qc7 13.h3=+) 13.Nb3= Qe7 14.a3 Ba5 15.Bf6 (15.Na5!? Na5 16.Qd2=) 15...Qf6=+ (worse 15...gf6 16.Nh4 Be6 17.Na5 Na5 18.Bg4=) 16.Nc5 Qc3 (better 16...b6 17.Na6 Bc3=+) 17.Nb7+/- Bb6? (17...Bc7 18.Rb1+=) 18.d4?? (18.Nd6 g6+-) 18...Rb8? (better 18...Bc2 19.Qe1 Qe1 20.Rfe1 Rc7+/-) 19.Nd6+- Bc2 20.Qe1 (20.Qc1 Nd4 21.Nd4 Bd4 22.Ne8 Re8 23.ed4 Re2+-) 20...Qe1 21.Ne1 Red8 (21...Re6!? 22.Nc2 Rd6 23.Rab1+/-) 22.Nf7+- Kf7 23.Nc2 Rbc8 (23...Ba5 24.Rab1+-) 24.Ne1 Ne7 (24...Na5 25.Nd3+-) 25.Nd3 Ng6 (25...Bc7+-) 26.Ne5?? (better 26.Rfc1+-) 26...Ne5+= 27.de5 Re8 (27...d4 28.Bg4 Rc5 29.e6 Ke7 30.Rab1+=) 28.f4 (better 28.e6 Ke7 29.Ra2+/-) 28...Be3 29.Kh1 d4 30.Bh5 (30.Bf3 Rc3=) 30...g6= 31.Be2 Kg7 32.Rad1 Rc3 33.f5 (better 33.a4=) 33...Rec8?? (better 33...Re5 34.fg6 hg6-/+) 34.f6+- Kf7 (better 34...Kf8 35.e6 Rb3+- (35...Ra3?? 36.Rb1 Rac3 37.Bb5+-)) 35.Bf3?? (35.Bg4 Ra8 36.Rb1 Kg8+-) 35...Ke6?? (better 35...R8c5 36.Rb1 Re5 37.Rb7 Kf6=+) 36.Bd5?? (better 36.Bg4 Ke5 37.Bc8 Rc8 38.f7+-) 36...Kd5-+ 37.f7 Ke6 (better 37...Rf8 38.g3-+) 38.g4?? (better 38.f8Q Rf8 39.Rf8=) 38...Rf8-+ 39.Rf6 Ke7 (39...Ke5!? 40.Rf3-+) 40.Rdf1 (40.Rb1 Rc7 41.Kg2-+) 40...Rf7 (better 40...d3 41.Kg2 Rc2 42.Kh3 Bd4-+) 41.Rb1?? (better 41.Rf7 Ke6 42.Rh7 Ra3 43.Rg7+=) 41...Rf6-+ 42.ef6 Kf6 43.Rf1 (43.Rd1 Ra3 44.Kg2 Ke5-+) 43...Kg5 44.h4 (44.Kg2 d3 45.Kf3-+) 44...Kg4 45.Re1 (45.a4 d3 46.Rf2 Bf2 47.Kg2 d2 48.Kf2 d1Q 49.a5 Rc2 50.Ke3 Re2) 45...Kh5 (45...Rc2 46.Re3 de3 47.Kg1 Kf3 48.a4 e2 49.Kh2 e1Q 50.Kh3 Qe6) 46.Rg1 (46.Kg2-+) 46…Rc1 (46...Rc1 47.Rc1 Bc1 48.Kg1 d3 49.a4 d2 50.Kf1 d1Q 51.Kf2 Kh4 52.a5 a6 53.Kg2 Be3 54.Kh2 Qg1) 0-1. Lance5500 (2745) - Lightsss (2300), lichess.org, 2016.

9.Na3 a6 10.c3 Ba5 11.Rc1-/+.

9.a4 Ba5 10.d4 c4 11.Bc3 Bf5 12.Ba5 Qa5 13.Nbd2 Rac8 14.Qc1 Nb4 15.c3 Nd3 16.Qa3 Be4 17.Bd3 cd3 18.Rfc1 Bf3-/+ 19.gf3 Re6 20.Qb4 Qd8 21.Qb5 Ne8=+ 22.Qd3 Qh4 23.Qf1 Nd6 24.h3 b6 25.f4 Rh6 26.Kh2 Qh5 27.Ra3 a6 28.Rb3 Nc4 29.Nc4 Rc4 30.Rb4 Rcc6 31.c4 Qf3 32.c5 Rh3 33.Qh3 Rh6 34.Qh6 Qf2 35.Kh1 Qf3 36.Kh2 ½–½. marekt – mozartlover, ChessWorld.net, 2004.

9.a4 Qd6 10.c3 Ba5 11.Na3 a6 12.Rb1 Bc7 13.d4 c4 14.Ra1 Ne4 15.Nb1 Na5 16.Ba3 Qh6 17.Qc2 Nb3 18.Ra2 Bf5 19.Qd1 Ng5 20.Ne5 f6 21.Ng4 Bg4 22.f4 Be2 23.Qe2 Nf3 24.Qf3 Re3 25.Qe3 Nd2 26.Nd2 (26.Nd2) 1-0. alessandrocarvalhaes (1985) - keiserJ (2030), lichess.org, 2021.

9.a4 Bg4 10.Na3 Ba5 (10...Ne4 11.Nb1+=) 11.h3 Bh5 12.c4 Nb4 (12...Ne4 13.d4+=) 13.cd5 (13.d4 b6=) 13...Nbd5+= 14.Nc4 Bc7 (14...Bb4 15.Rc1+=) 15.d4 cd4 16.Nd4 Be2 17.Qe2 Rc8 18.Rfd1 Bb8 (18...Ne4 19.Rac1+=) 19.Rac1 (19.Nf5 Re4 20.Rac1 Rc5+=) 19...Qe7 (19...Qd7 20.Nb5 Qe7 21.a5=) 20.Nf5+= Qe6 21.Qf3 Nb6 (21...Red8!?+=) 22.Nb6 (22.Nd4 Qe4 23.Nb6 Rc1 24.Rc1 ab6+/-) 22...Rc1 23.Rc1 Qb6 24.Nh6 (24.Bd4 Qe6 25.Nh6 gh6 26.Bf6 b6+/-) 24...Kf8 25.Bd4 Qe6 26.Bf6 gh6 27.Bd4 (27.a5 Be5 28.Be5 Qe5 29.Qb7 Qa5+/-) 27...Rc8 (27...b6 28.Rd1+/-) 28.Rd1 (28.Bc5!? Ke8 29.Qb7 a6+–) 28...b6+/- 29.Qh5 Qg6 30.Qf3 Qc6 (30...Qe6 31.Kh1 Kg8+/-) 31.Qf6 (31.Qf5 Rd8+/-) 31...Qf6 32.Bf6 Ke8 33.Kf1 Bc7 (33...a6 34.Rd4+/-) 34.Ke2 Bd8 35.Bd8 Rd8 36.Rb1 (36.Rd8 Kd8 37.Kd3 Kd7+/-) 36...Rc8 37.Kd3 Kd7 (37...Rd8 38.Kc3+=) 38.Rb4 Rc6 39.Rg4 Ke7 (39...Rf6 40.Rd4 Ke7 41.Ke2+/-) 40.Rh4 (40.Re4 Kd7+/-) 40...Rd6 41.Kc4 a6 42.Rh5 Rc6 43.Kd3 Rd6 44.Kc2 Rc6 45.Kb2 Kf8 46.Rd5 Kg7 (46...Ke7 47.Kb3+=) 47.g4 (47.Kb3 Kf6+/-) 47...Kf6 (47...Rf6 48.f4+=) 48.Rh5 (48.f3 Ke7+/-) 48...Kg6 49.f4 White intends g5 (49.Kb3 Rd6+/-) 49...Kg7 50.Rd5 (50.Re5 Rc4 51.Kb3 Rc1=) 50...Re6= 51.Rd3 h5 52.g5 (52.gh5 f5=) 52...h6 53.gh6 Rh6 (53...Kh6 54.Kc2=) 54.Kc2 (54.e4 Rc6=) 54...Rc6 55.Kd2 Kg6 56.Ke2 f6 57.Kf3 Rc4 58.Rb3 (58.Rd4 Rc6=) 58...Ra4 59.Rb6 Ra3 60.Ke4 a5 (60...Ra1 61.f5 Kg7 62.h4=) 61.Ra6 (61.f5 Kg5 62.h4 Kh4 63.Rf6 a4+=) 61...Ra4 62.Kf3 Ra3 63.Ra7 Ra1 64.h4 a4 65.Ke4 Rh1 66.Ra4 Rh4 67.Ra1 Rg4 68.Kf3 f5 69.Ra6 Kg7 70.Ra2 Kf6 71.Rh2 Kg6 72.e4 fe4 73.Ke4 Rg1 74.Kf3 Rf1 75.Ke4 Re1 76.Kf3 Rf1 77.Ke4 ½–½. Kaps,Darja – Janzelj,Lara, Slovenian Women Chess Championship, 2015.

9.a4 Bg4 10.d3 Qd6 11.c3 Ba5 12.Nbd2 Rad8 13.Re1 h6 14.Qc1 Bc7 15.Ba3 b6 16.g3 Qd7 17.Nb3 Qf5 18.Nh4 Qe6 19.d4 g5 20.Nf3=+ Qf5 21.Nbd2 c4 22.Qb1 Qe6 23.Bf1 Na5 24.Bg2=+ Bf5 25.Qb2 Bd3 26.Rec1 Ng4 27.Re1= f5 28.Bf1 Bf1 29.Nf1 Nf6 30.Qc2 Kg7 31.N1d2 Rd7 32.Kg2 Rf7 33.h4 gh4 34.Nh4=+ Ne4 35.Ndf3 Nb3 36.Rab1 Kh7 37.Rh1=+ Rg8 38.Rh3 Rf6 39.Rbh1-/+ Rg4 40.Ne5 Be5-/+ 41.de5 Qe5 42.Nf3 Qc7 43.Bf8 Rgg6 44.Nh4 Rg5 45.f4 Rg8 ½–½. Bigalke,Andre – Bokelbrink,Uwe, Pinneberg–ch, 2003.

9.Bb5 a6 10.Bc6 bc6 11.d3 Bg4 12.a3 Ba5 13.Nbd2 Qd6 14.h3 Bh5 15.Nb3 Bc7 16.Nbd2 Rab8 17.Rb1 Nd7 18.Ba1 f6 19.Qc1 Nf8 20.Rb8 Rb8 21.g3 Qd7 22.Kg2 Ne6 23.Ng1 Ba5 24.Nb3 Bb6 25.Qd2 Qd6 26.Re1 Bg6 27.e4 Nd4 28.Bd4 cd4 29.ed5 Qd5 (29...cd5?! 30.Ne2=) 30.Nf3 c5 31.Qf4 Rc8 32.Nbd2 Bc7 33.Qg4 f5 34.Qh4 Rf8 35.Nc4 Bf7 36.Nce5 Bd8 37.Qf4 Bh5 38.Kh2 h6 39.h4 Ba5 40.Nd2 Qe6 41.Kg1 Qe7 42.Kf1? (Better is 42.Kh2-/+) 42...Bg4 (43.Ng4 Qd8 44.Nh6 gh6+–; Better is 42...g5 43.hg5 hg5-+ (43...Qg5?! 44.Qg5 hg5 45.Nec4=+)) +–. Schirmer,Michael – Bendig,Frank, TKM/FINAL, 2003.

9.Bb5 Bd7 10.c4 a6 (10...dc4 11.a3 Ba5 12.Bc4 Bg4 13.d3 Qe7 14.h3 Be6= –0.22/9) 11.cd5 (11.Bc6 Bc6 12.Ne5 Rc8 13.Nc6 (13.a3 Ba5 14.Nc6 Rc6=+ –0.47/9) 13...Rc6 14.cd5 (14.a3 Ba5=+ –0.44) 14...Nd5=+ –0.44 (14...Qd5=+)) 11...Nd5 (11...ab5 12.dc6 Bc6 13.d3-/+ Re6 14.Qe2 Qd6=+ –0.56/8) 12.Bc4 (12.Bd3 Ba5 13.a3 Bg4 14.h3 Bh5= –0.25/8) 12...Nf6 (12...Nb6 13.Be2=+ Bf5 14.a3 Ba5=+ –0.28/9) 13.a3= Ba5 14.Ng5 Rf8 (14...Be6 15.Be6 fe6 16.Qc2=) 15.Qc2+= g6 16.h4 (16.Rc1!?+=) 16...b5=+ 17.Bf7 Rf7 18.Nf7 Kf7 19.Qc5 Qe7 (19...Rc8 20.Qg5=) 20.Qe7 Ne7 21.Nc3 (21.Bc3 Bc7=) 21...Rc8 22.Rac1 Bb6 (22...Nf5 23.h5=) 23.Ne2 Re8 24.f3 Ned5 25.Bd4 Bd8 26.Nc3 Be7 27.Nd5 Nd5 28.e4 Nf4 29.Rc7 Ke6 30.Be3 Nd3 31.Ra7 Bc8 32.Rb1 Bh4 33.Rh7 Be7 34.Rg7 Ba3 35.Rg6+= Kf7 36.Rc6 Be7 37.Rc3 Ne5 38.f4 Ng4 39.Bc5 Bb7 40.Be7+/- Re7 41.d3 Nf6 42.Rbc1 Ne8 43.Kf2 Kf6 44.g4+– (44.g4 Kg6 45.Rc5+–) 1–0. Tuchtenhagen,Harald – Spiegel,M, corr SOK–88–22, 1988.

9.Bb5 Bd7 10.d3 d4 (10...a6 11.Bc6 Bc6 12.a3+=) 11.e4 (11.Bc6!? de3 12.Be4 Ne4 13.de4=) 11...Qb6-/+ 12.Ba4 Rad8 13.a3 Ba5 14.Bc1 h6 15.h3 (15.Nbd2 Qc7+=) 15...Qa6 16.Bb3 Bc7 17.Nbd2 b5 18.Re1 Qc8 (18...Bd6 19.a4+=) 19.Qe2 (19.a4 b4+=) 19...a6 20.Qf1 Nh5 21.a4 Nf4 22.Kh1 Ba5 23.Rd1 (23.ab5 ab5 24.Ba3 Bc3 25.Bc5 Ba1 26.Ra1 Be6+=) 23...Bc3-/+ 24.ab5 ab5 25.Rb1 (25.Ra2 Qc7+=) 25...Nb4 (25...Qc7 26.Bb2-/+) 26.Bb2 (26.e5 Bc6 27.Ne4 Ng6-/+) 26...Qa6 (26...Qc6 27.Re1-/+) 27.Ng1 (27.Bc3 dc3 28.Ra1 Qf6-/+) 27...Be6 (27...Bb2 28.Rb2 Qf6 29.Ngf3-/+) 28.Ne2+= Ne2 29.Qe2 Na2 30.Ba1 (30.Qh5 c4 31.dc4 bc4 32.Ba2 Qa2 33.Bc3 dc3-/+) 30...Ra8 (30...Bb3 31.Rb3 Qg6 32.Qf3-/+) 31.f4 (31.Qh5 Qc6+=) 31...Bb3 32.Nb3 Qd6 (32...Qg6 33.Rf1 Bb4 34.Qf2-/+) 33.Qf3 (33.Qh5 Ba1 (worse is 33...Qf4 34.Qc5 Rec8 35.Qb5=) 34.Ra1 Nc3+=) 33...Qc6 (33...Bb4 34.Rf1+=) 34.Qf2 (34.Qh5 Bb4+=) 34...Qc7 (34...Ra4 35.Qh4-/+) 35.e5 (35.Nc1 Ba1 36.Na2 Ra2 37.Ra1 Rea8 38.Ra2 Ra2-/+) 35...Red8 (35...Ra4 36.Nc1 Ba1 37.Na2 Ra2 38.Ra1+=) 36.Rf1 Ra3 37.e6 (37.Nc1!?-/+) 37...fe6 38.f5 (38.Bc3 Nc3 (worse is 38...dc3 39.Nc5 Qc6 40.Qe3+/-) 39.Rbe1 Ra6-/+) 38...Rf8-+ 39.Qe2 ½–½. Benassi,Aspasio (2185) – Sorbi,Luca (1990), FICGS, 2015.

9.Nc3 Ba5 10.Na4 b6 11.d4 c4 12.Bc3 Ne4 13.Ba5 Na5 14.Nd2 Qg5 15.Ne4 de4 16.Re1 Nb7 17.f4=+ Qa5 18.Nb2 c3 19.Nc4 Qd5 20.a4 Be6 21.Na3 Qa5 22.Bb5 Red8 23.Bc6 Bd5 24.Bd5 Rd5 25.Nb5 Rdd8 26.Qb1 a6 27.Na3 Nd6 28.Qb3 Rab8 29.Rab1 Rdc8 30.h3 Rb7 31.g4 ½–½. "lasker" (2195) – efreddy (2130), internet, 2007.

9.Nc3 Ba5 10.d4 c4 11.Rb1 Qe7 12.Qc1 b6 13.Ba3 Qd8 14.Qb2 a6 15.Ne5 (15.Rfd1 Bf5+=) 15...Ne5-/+ 16.de5 d4 (16...Re5!? 17.Nb5 Re8-/+) 17.ed4+= Qd4 18.Nb5 Qb2 19.Bb2 (19.Rb2? ab5 20.Rb5 Bd7-+) 19...ab5 20.Bf3 Rb8 (20...Ra7 21.ef6 Bf5 22.Bd4 Bc2 23.Rb5 gf6 24.Bf6+=) 21.ef6 Bf5 22.Bd4 Bc2 23.Rb5 Ba4 24.Rg5 g6 25.Rd5 Rbd8 26.Be3 c3 27.Rd8 Rd8 28.h4 c2 29.Rc1 Bb4 (29...Rd1 30.Kh2 Bc3 31.Be4-+) 30.Be4 Rd1 31.Kh2 Bc5 32.Rc2 Bc2 33.Bc2 Rd6 34.Kg3 Rf6 35.Bb3 Be3 36.fe3 b5 37.e4 Kf8 38.Bc2 Ke7 39.e5 (39.Bb3 b4-+) 39...Rf1 40.Bd3 Ra1 41.Bb5 Ra2 42.Bc6 Ke6 43.Kf4 Rc2 44.Be4 Rc4 45.g3 h5 0–1. Lifshitz,Samuel (1685) – Vasquez,Gerardo (1920), SC–2011–0-00110, 2011.

9.Nc3 Rb8 10.a3 Ba5 11.d4 Ne4 12.Ne4 de4 13.Ne5 Qg5 14.f4 ef3 15.Rf3 (15.Bf3 Qe3 Double attack; 15.Nf3 Re3 Pinning (15...Re3 Deflection; 15...Re3 Clearance); 15.Rf3 Ne5 Decoy) 15...Ne5 16.de5 Be6 17.Rg3 Qe7 18.Qf1 g6 19.Qf4 (19.a4 Red8 20.Bd3 Rbc8+=) 19...Red8 20.Rf1 Rd2 21.Bd3 Rd8 22.Bc1 R8d3 23.cd3 Rd3 24.e4 Qd8 (24...Rg3 25.Qg3 c4 26.Qf2+=) 25.Rd3 Qd3 26.Qe3 Qc4 (26...Qb5 27.Rf2+=) 27.h3 (27.Rd1 Qa4 28.Qf3 h5+=) 27...Bc7 (27...Bc3 28.Qg5 h6 29.Qh6 Qe4 30.Bf4-/+) 28.Bb2 Bd8 29.Bc3 Be7 30.Rc1 b6 ½–½. marekt – Guest_OpeningTheory101, chessworld.net, 2015.

9.Nc3 Rb8 10.a3 Ba5 11.d4 Ne4 12.Ne4 de4 13.Ne5 Qg5 14.f4 Qh6 15.Nc4 Bc7 16.dc5 Rd8 17.Qb1 Rd5 18.Nd6 Bd6 19.cd6 Qd6 20.Bc4 Rc5 21.Be5 Ne5 22.fe5 Qe5 23.Bf7 Kh8 24.Qb4 Bg4 25.Rac1 Be2 26.Rf4 The isolani on e4 becomes a target 26...Bd3 27.Bb3 h6 28.Rf7 Rcc8 29.Rb7 Rb7 30.Qb7 Qc5 31.Kh1 a5 32.Qd7 Bb5 33.Qd4 Qa3 34.Rd1 Qc5 35.Qe4 Bc6 36.Qd4 Qh5 37.Rd2 Qg5 38.Qf4 a4 39.Qg5 hg5 40.Be6 Ra8 41.Kg1 a3 42.Ba2 Be4 43.Kf2 Rb8 44.c3 Kh7 45.Ke1 g4 46.g3 Rb6 47.Kd1 Kg6 48.Kc1 Kf5 49.Rd7 Rb2 50.Rd2 Rb8 51.Rd7 g6 52.Rf7 Kg5 53.Re7 Rb2 54.Bc4 Bf3 55.Re5 Kh6 56.Re8 Kh7 57.Re7 Kh6 58.Re8 Bc6 59.Re6 Bf3 60.Re8 Kg7 61.Re7 Kf8 62.Rf7 Ke8 63.Ra7 Rh2 64.Ra3 Rh3 65.Bd3 Rg3 66.Bg6 Ke7 67.Bh5 Rg2 68.Ra4 Be2 69.Ra2 Kd6 70.Rd2 Ke5 71.Re2 Re2 72.Bg4 Rh2 73.Bf3 ½–½. marekt (2115) – the_great_omni (2240), gameknot.com, 2015.

9.Nc3 Rb8 10.Rb1 Ne4 11.Ne1 Be6 12.Ne4 de4 13.d3 Ba2 14.Ra1 Be6 15.de4 Qd1 16.Rd1 c4 17.Ra1 a5 18.c3 Bc5 19.Nc2 b5 20.Nd4 Nd4 21.ed4 Bb6 22.Rfe1 f5 23.e5 Kf7 24.Bh5 g6 25.Bf3 Red8 26.Bc1 a4 27.Bg5 Bd4 28.cd4 Rd4 29.Be3 Rd3 30.Be2 Rc3 31.Bd1 Ra8 32.Bc5 h6 33.Kf1= g5 34.Bh5 Kg7= 35.Red1 Rc8 36.Rd6 Rc5= 37.Re6 Rc7 38.Re1 Rd3 39.Rg6+/- (39.Rg6 Kh8 40.Rh6 Kg8 41.Rg6 Kh8 42.Rg5+–) 1–0. "lasker" (2205) – Renzo (2230), internet, 2007.

9.Nc3 Ne4 10.a3 Ba5 11.Rb1 Rb8 12.Ba1 a6 13.Na4 b5 14.d3 Nf2 15.Rf2 ba4 16.Rb8 Nb8 17.c4 Bb7 18.Qb1 Ba8 19.d4 Nd7 20.Qf5 g6 21.Qf4 Qe7 22.Ne5 Ne5 23.de5 Bc7 24.Rf1 h5 25.Bc3 Rb8 26.Ba1 Rb3 27.Bf3 d4 28.ed4 Bf3= 29.d5 g5 30.Qd2 Be5 31.Be5 Qe5 32.Rf3 g4 33.Rf1 Ra3 34.d6 Qe3 35.Qe3 Re3 36.Rd1 Re8 37.Kf2 a3 38.Rd3 Rd8 39.Ra3 Rd6 40.Ra5 Rc6 41.Ke3 Kg7 42.Ke4 Kg6 43.h4 gh3!-+ 44.gh3 f5 45.Ke5 Rf6 46.Kf4 Re6 47.Rc5 Re4 48.Kf3 Rd4 49.Rc6 Kg5 50.Ra6 Rf4 51.Kg3 h4 52.Kg2 Rc4 53.Ra2 Rc3 54.Ra5 Rg3 55.Kh2 Kg6 56.Ra6 ½–½. Glanze,Rudolf – Launhardt,Wolfgang (2130), CP–2010–P–00007, 2010.

9.Nc3 Ne4 10.a3 Bc3 11.dc3 Be6 12.Nd2 Qg5 13.Ne4 de4 14.Kh1 Rad8 15.Qc1 Rd6 16.Rd1 Red8 17.Rd6 Rd6 18.Qe1 Bg4 19.Rd1 Rg6 20.Bg4 Qg4 21.Qf1 h5 22.c4 Ne7 23.h3 Qe6 24.Qe2 Rg5 25.f4 ef3 26.Qf3 Nf5 27.e4 Ng3 28.Kg1 Ne4 29.Rd8 Kh7 30.h4 Rg4-+ 31.Rd5 Rh4 32.Rh5 Rh5 33.Qh5 Kg8 34.Qd1 Nd6 35.Qd3 Qe1 36.Kh2 Qh4 37.Kg1 Nc4 38.Bc3 b5 39.Ba1? Qe1 40.Qf1 Qf1 41.Kf1 Ne3 (41...Ne3 42.Ke2 Nc2-+; better is 41...Na3 42.c3-+) 0–1. lea_dc – agrillage, internet, 2005.

9.Nc3 Ne4 10.a3 Bc3 11.Bc3 Qd6 (11...Nc3 12.dc3 Be6 13.Rb1+=) 12.Bb2= c4 (12...Qg6 13.d3 Nd6 14.c4+=) 13.Rb1 Qg6 14.d3 cd3 (14...Nd6 15.Nd4=) 15.cd3+= Nd6 16.Kh1 Bd7 17.Qb3 Be6 18.Qa4 f6 19.Rfc1 Rac8 20.Qf4 Nf7 21.Rc2 Nfe5 22.Nh4 Qg5 23.Qg5 fg5 24.Nf3 Nf3 25.Bf3 g4 26.Be2 Kf7 27.Rbc1 Ne7 28.Kg1 Rc2 29.Rc2 Rc8 30.Rc8 Bc8 31.Bc3 Bd7 32.Kf1 Nf5 33.e4 de4 34.de4 Nd6 35.e5 Nf5 36.Bd3 g6 37.Bc4 Be6 38.Be2 h5 39.f4 g3 40.Kg1 Bd5 0–1. Lifshitz,Samuel (1685) – Mueller_Toepler,Michael (1665), SC–2011–0-00122, 2011.

9.Nc3 Ne4 10.Nb1 Be6 11.d3 Nd6 12.Nbd2 Nb5 13.Nb1 Ba5 14.a4 Nd6 15.Nbd2 Bc7 16.c4 Qe7 17.cd5 Bd5 18.e4 Nb4 19.Qc1 b6 20.Qc3 Qf8 21.Bd1 Bb7 22.Ba3 a5 23.Bb2 Rad8 24.Bb3 Nd3! 25.Qd3 Ne4 26.Qc2 Nd2 27.Nd2 Qd6 (27...Qd6 28.Bf7 Kf7 29.Qh7 Qh2 30.Qh2 Bh2 31.Kh2 Rd2-+) 0–1. Rego,Sandro – Starace,Umberto, C1.1998.0.00168, 1998.

9.Nc3 Bf5 10.h3 d4 11.Na4 Qd6 12.Bc4 Ba5 13.c3 de3 14.de3 Qe7 15.Ba3 b6 16.Qb3 Rad8 17.Rad1 Be6 18.Be6 Qe6 19.Nd2 Rd5 20.Nc4 Red8 21.Rd5 Qd5 22.f3 Qd3 The isolani on c3 becomes a target 23.Bc1 Nh5 24.Re1 Ng3 25.Bd2 h6 26.Nab2 Qg6 27.e4 Qf6 28.e5 Qg6 29.Be3 Nf5 30.Re2 (30.Na5?? Ne3 (30...Na5?! 31.Qc2+=) 31.Re2 Na5-+) 30...b5 (better is 30...a6!? 31.Bf2 Re8+=) 31.Na5+= (31.Qb5? Bc3 32.Qa4 Ne3 33.Ne3 Nd4-+) 31...Ne5 32.Bf4 (32.Qb5 Nf3 33.Kf2 Qg3 34.Kf1 Ne3 35.Re3 Nd2 36.Kg1 Qe3 37.Kh2 Qe5 38.g3 Nf3 39.Kg2 Rd2 40.Kf3 Qf5 41.Ke3 Qf2 42.Ke4 f5 43.Ke5 Qe3 44.Kf5 Rf2 45.Kg4 Qg5) 32...Nf3 33.Kf2 N3h4 34.g4 Qb6 35.Nbc4 bc4 36.Qb6 ab6 37.Nc4 Rd3 38.Ne5 Rc3 39.gf5 f6 40.Bd2 Rh3 41.Nc4 Rf3 42.Ke1 Nf5 43.Nb6 Ra3 44.Bc1 Ra6 45.Nd7 c4 46.Rf2 Re6 47.Re2 Rc6 48.Rf2 Ne7 49.Rb2 h5 50.a4 c3 51.Rb8 Kh7 (better is 51...Kf7!?-/+) 52.Nf8= ½–½. hko61 (2180) – biggie (2225), gameknot.com, 2013.

9.Nc3 Bg4 10.Na4 b6 11.h3 Bf5 12.Bb5 Bd7 13.Rb1 Ba5 14.Bc3 Bc3 15.Nc3 d4 16.Ne2 a6 17.Bd3 Be6-/+ 18.Nf4 Ba2 19.Ra1 Nb4 20.Be2 Nfd5 21.Nd3 Bc4-+ 22.Nb4 Be2 23.Qe2 Nb4 24.Qc4 d3 25.c3 Qd5 26.Qh4 Nc2 27.Ra4 b5 28.Rg4 f5 29.Qg5 Qd7 30.Rf4 g6 31.h4 a5 32.h5 Ra6 33.Nh4 Qg7 34.hg6 hg6-+ 35.e4 Re4 36.Re4 fe4 37.Qd5 Qf7 38.Qe4 c4 39.f4 Re6 40.Qa8-/+ Qe8 41.Qd5 Qc6 42.Qg5-/+ Qb6 43.Kh1 Rf6 44.f5=+ b4 45.Ng6= Rf7 46.f6 Rh7 47.Nh4 Kf8 48.Rf4 bc3 49.Rg4.Qe6 50.f7! Qg4 51.Qg4 Rh4 52.Qh4 cd2 53.Qg4 d1Q 54.Qd1 Kf7 55.Qg4 Nb4 56.Qf5 Ke8 57.Qa5 d2 58.Qb5 Kd8 59.Qg5 (59.Qg5 Kd7 60.Qd2 Nd3 61.Qc3 Nf2 62.Kh2+–) 1–0. "lasker" (2020) – bosco (1955), internet, 2007.

9.Nc3 Bg4 10.Na4 c4 11.Rb1 Rb8 12.Bf6 Qf6-/+ 13.Nd4 Be2 14.Ne2 Red8 15.Nac3 a6 16.Re1 b5-/+ 17.a4 ba4 18.Na4=+ Bd6 19.Nac3 Bc7 20.Rb8=+ Bb8 21.Qa1 a5 22.Rb1 Qd6 23.g3 Qd7 24.Rb5 Qe6 25.Qa4+= Bc7?? 26.Rc5+– (26.Rc5 Ne5 27.Rc7 Nf3 28.Kg2 Ne1 29.Kf1+–) 1–0. "lasker" (2175) – baldozar (1830), internet, 2007.

9.c4 b6 10.Nc3 (better is 10.a3 Ba5 11.cd5 Nd5 12.d4=) 10...Qd6?? (10...d4!? 11.Qa4 Bb7-/+) 11.cd5 (better is 11.Nb5!? Qd7 12.Bf6 gf6 13.a3+/-) 11...Nd5= 12.Nd5 Qd5 13.Qc2 Bf5 14.d3 Bg4 15.a3 Ba5 16.Rfd1 Rad8 17.h3 Be6 18.Bf1 (18.d4 Qb3 19.Qb3 Bb3=) 18...f6 (18...Qb3 19.Qb3 Bb3 20.Rdc1=) 19.Rab1 (19.d4 cd4 20.Bd3 f5 21.Nd4 Nd4 22.Bd4 Qd7+=) 19...Qb3 20.Qb3 Bb3 21.Rdc1 Ba2 22.Ra1 Bd5 23.Be2 ½–½. Krivoshapko,Alexander – Pozdniakov,Vladimir, Omsk Russia, Summer Open, 2013.

9.c4 dc4 10.a3 c3 11.Nc3 =.

9.c4 Bf5 10.d3 (10.cd5!? Nd5 11.Nc3+=) 10...dc4-/+ 11.dc4 Qe7 (11...Ne4 12.Qc1-/+) 12.Nc3+= Rad8 13.Qc1 (13.Qb3 Bd3 14.Bd3 Rd3+=) 13...Ba5 (13...h6 14.a3 Ba5 15.Rd1-/+) 14.a3 Bc7 (14...Rd7 15.Rd1 Red8 16.Rd7 Rd7 17.Qf1+=) 15.Rd1+= Be6 (15...Rd1 16.Qd1 Rd8 17.Qa4=) 16.Qc2= Na5 The isolani on c4 becomes a target (16...g6 17.Qb3=) 17.Na4 (17.Nb5 Bb8 18.Bc3=) 17...b6= 18.Ng5 h6 19.Nf3 Bc8 20.Bc3 (20.Nc3 Bb7=) 20...Nc6+= 21.Bd3 (21.Bb2 Ne5+=) 21...Bg4 (21...Ne4 22.Bb2+=) 22.Be2 Rd1 (22...Qe4 23.Qb2=) 23.Rd1 Rd8 24.Bf6 (24.Rd8 Qd8 25.h3 Be6=) 24...Rd1 (24...gf6?! 25.h3 Rd1 26.Qd1+=; worse is 24...Qf6 25.Rd8 Bd8 26.Nc3+=) 25.Bd1 Qf6 (25...gf6?! 26.Nc3+=) 26.Nc3 Be6 (26...Bb8 27.Qd2+=) 27.Be2 ½–½. Lohmar,Hermann – Gausmann,Thomas, Dortmund Germany, Sparkassen Open–B, 2016.

9.c4 Bg4 10.d3 (10.a3 Ba5=+ 11.d4 cd4 (11...dc4 12.dc5 Ne4 13.Qc2 Qe7 14.Qc4 Qc5 15.Qc5=; 11...Qb6 12.Qc2 Bf3 13.Bf3 cd4 14.cd5 Ne5 15.Bd4=; 11...Ne4 12.Qb3 Be6 13.Rc1 dc4 14.Bc4 Bc4 15.Qc4=) 12.Nd4 Qb6 13.Qc2 dc4 14.Bc4 Ne5 15.Bb5=+; 10.d4 cd4 11.Nd4 Be2 12.Qe2 Rc8 13.cd5 Qd5 14.Rd1 Nd4 15.Bd4=) 10...d4 (10...dc4 11.dc4 Qe7 12.a3=+ Rad8 13.Qb3 Ba5 14.Nc3 Bc7 15.Rad1=+) 11.e4 (11.a3 Bf3 12.Bf3 Ba5= 13.Qe2 Qb6 14.Bc6 Qc6 15.Nd2=+; 11.Nd4 cd4 12.Bg4 de3 13.fe3 Re3 14.d4 Qb6 15.Bf3-/+) 11...Bf3 (11...Qd7 12.h3 Bf3 13.Bf3=+ Ne5 14.Be2 Rab8 15.a3=+; 11...Qc8 12.a3 Ba5 13.Nbd2 Bc7 14.Bc1 Bf4 15.Rb1=+; 11...Be6 12.Bc1 Qd6 13.a3 Ba5 14.Bg5 Ng4 15.h3=+; 11...Bd7 12.Bc1 Qe7 13.a3 Ba5 14.Qb3 Bg4 15.h3=+; 11...Bc8 12.a3 Ba5 13.Nbd2 Qe7 14.Rb1 Rb8 15.Bc1=+) 12.Bf3 Ne5 (12...Qd6 13.Bc1 Ba5 14.Nd2 Bc3 15.Rb1=+) 13.Be2 a6 (13...Qe7 14.a3 (14.f4 Nc6 15.Bf3=) 14...Ba5 15.f4=; 13...Qd7 14.a3 Ba5 15.Bc1=) 14.f4= Ng6 15.e5 Nd7 16.Bh5 b5 17.a3 Ba5 18.Bg6 hg6 19.Nd2 (19.Qb3 g5 20.cb5 gf4-/+) 19...Bd2 20.Qd2 Nb6 (20...g5 21.cb5 ab5 22.fg5 Ne5 23.Rae1-/+) 21.Qc2 (21.Qa5 Na4 22.Qd2 bc4 23.dc4 Qb6-/+) 21...bc4 22.dc4 Rb8 23.Rab1 Qd7 24.Rfc1 (24.Rbc1 Qf5-/+) 24...d3 (24...Qg4 25.Rf1-/+) 25.Qd2 Na4 (better 25...Qf5!?-/+) 26.Ba1= Nb6 Black terminates the opponent with strong threats 27.Qa2 (27.Qc3 Qf5=) 27...Red8 (27...Qf5 28.Qf2 Nc4 29.Rb8 Rb8 30.Bc3-+ (30.Qc5?? d2 31.Rf1 Rb1 32.Qc4 Rf1 33.Qf1 Qc2-+)) 28.Bc3=+ Na4 29.Rb8? (better 29.Ba5=+) 29...Nc3-+ (29...Rb8?! 30.Qd2-/+) 30.Rd8 Qd8 31.Qd2 (31.Qa1 d2 32.Rf1 Qd4 33.Kh1 Qc4 34.Rg1-+) 31...Qd4 32.Qf2 (32.Kh1 Ne4 33.Qe1-+) 32…d2 (32...d2 33.Rb1 Nb1 34.Qd4 cd4 35.Kf2 d1Q 36.Kg3 Nc3 37.h4 Qe1 38.Kf3 Qe3 39.Kg4 Ne2 40.e6 Qg3) 0–1. Roos,Bernhard – Chuprys,Viktar, CN.1999.0.00161, 1999.

9.d3 a6 10.a4 Bf5 11.Nbd2 (11.c3 Ba5=+) 11...Qe7 (11...d4 12.ed4 cd4 13.Rb1=+) 12.c4 (12.Re1 Rad8=+) 12...d4 13.e4 Rad8 14.Ne1 (14.Ba3 Ba3 15.Ra3 Bg4=+) 14...Bd2 (14...Bc3 15.Qc1=+) 15.Qd2=+ Bg4 16.Bg4 Ng4 17.h3 Nh6 18.f4 f6 19.Nf3 Nf7 (19...f5 20.e5=) 20.Ba3 (20.a5 Rb8=) 20...b6 21.Rab1 Qc7 22.Kh1 Ne7 23.g4 (23.Rfe1 Ng6=) 23...Ng6 24.Bc1 Rb8 25.Rg1 Qc6 26.Qc2 Qc7 27.f5 Nge5=+ 28.Bf4 Qe7 29.Be5 Ne5 30.Ne5 Qe5 31.Qh2 Qe7 32.Qg3 Rb7 33.Rb2 Qd7=+ 34.g5 fg5 35.Qg5 Kh8 36.Kh2 Qa4 37.f6 g6 38.Qh6 Rg8=+ 39.h4 Qc6-/+ 40.Rf2 Qd6 41.Kh1 Rf7 42.Qg5 Re8 43.Re1 Qe5 44.Ra1 (44.Qe5 Re5 45.Rb1 Re6-/+) ½–½. Feilmayr,Erwin – de Visser,Arno, corr ICCF TT/6/02/3, 2004.

9.d3 a6 10.c3 Ba5 11.Nbd2 Qd6 12.c4 d4 13.Nb3 Qe7 14.Na5 Na5 15.Ne1 Bd7 16.Nc2 Ba4 17.Bf3 Nc6 18.Qd2 Bc2 19.Bc6 Bd3 20.Be8 Bf1 21.Rf1 (21.Rf1 Re8 22.ed4=). marekt – Neinsah, ChessWorld.net, 2005.

9.d3 b5 10.a4 Rb8 (10...ba4 11.c3 Ba5 12.Qa4=) 11.ab5 Rb5 12.c4 Rb7 13.cd5 Nd5 14.Qc2 Qe7 15.Nbd2 Bd2 (15...Nf4 16.Bd1 Bd2 17.Nd2 Nd3 18.Bg7 Kg7 19.Qd3=) 16.Qd2+= Ne3 17.fe3 White is in command (17.Qe3 Qe3) 17...Qe3 18.Qe3 Re3 19.Kf2 (better 19.Ra6 Nb8 20.Rd6+=) 19...Re2!-/+ 20.Ke2 Decoy theme: e2 20...Rb2 21.Ke3 Bb7 (21...Be6 22.Rfc1 Rb5 23.d4 Rb3 24.Kd2=+) 22.Rfb1= Rb6 23.Rc1 Rb5 24.Ra4 Na5 25.Ra5 Ra5 Deflection from b1 26.Rb1 Bc8 27.Rb8 The mate threat is Rxc8 27...Kf8 28.Rc8 Ke7 29.Nd2 (29.Rc7 Kf6+–) 29...Kd7 30.Rh8 Ke6 (30...Ra1 31.Ne4 Kc6 32.Rc8 Kd7 33.Rg8+–) 31.Rh7 g6 32.h4 Rb5 (32...Ra1 33.h5+–) 33.Ne4 f5 (33...Ke7 34.Ng5 Kd6 35.Rf7+–) 34.Ng5 Kf6 (34...Ke5 35.Nf3 Kd5 36.Rd7 Ke6 37.Ra7 Rb6+–) 35.d4 Rb3 36.Kf4 Rb7 37.Rb7 a6 38.Rf7 1–0. Pommerel,Wim – Toedter,Hans Peter, CiF, 1990.

9.d3 b5 10.a4 Rb8 11.ab5 Rb5 12.c4 dc4 13.dc4 Rb6 14.Qc2 Bg4 15.h3 Bh5 16.Rd1 Qe7 17.Nc3 Bg6 18.Qc1 Bc3 19.Qc3 Reb8 20.Ne5 Ne5 (20...Rb2? 21.Nc6 Qc7 22.Nb8 Rb8 23.Qa5+–) 21.Qe5 Re6?? (better is 21...Qf8 22.Ba3 Ne4+=) 22.Qb8+– (22.Qb8 Ne8 23.Ra7+–) 1–0. pierre – Nye123, internet, 2015.

9.d3 Qc7 10.Bf6+= gf6 11.c3 Ba5 12.d4 c4 13.Qc2 Qd6 14.Nbd2 b5 15.Rfb1 Rb8 Black intends b4 16.Nf1 (16.Rb2 a6=) 16...Qa3 17.Rc1 b4 18.cb4 Nb4 19.Qd1 Bd7 (19...Na2? 20.Rc2 Qb3 21.Rca2 Qd1 22.Bd1+-) 20.Ng3 Ba4 21.Qf1 Nd3 (worse 21...Na2 22.Ra2 Qa2 23.Ra1+/-) 22.Nh5 (better 22.Bd3!? Qd3 23.Qd3 cd3 24.Nh5=) 22...Nc1-/+ 23.Nf6 Kf8 24.Rc1 Red8 (24...Qa2? A) 25.Ne8 Be8 (25...Ke8?? 26.Ra1 Rb2 27.Ra2 Ra2 28.Qb1+-) 26.Bd1 Rb2=; B) 25.Nd5?! Rec8+/-; C) 25.Ra1 Qc2 C1) 26.Ne8?! C11) worse 26...Ke8 27.Bd1 Qd3 28.Ba4 (28.Ra4?! Rb1 29.Qd3 cd3=) 28...Ke7 29.Qd3 cd3 30.Ne5+-; C12) 26...Be8 27.Bd1 Qc3=; C2) 26.Nd5?! Red8+/-; C3) 26.Bd1+-) 25.e4 (25.Nh7!? Ke7 26.Ne5=+) 25...Rb2-/+ 26.Ra1 Ra2 (better 26...de4!? 27.Ne4 Bc6-/+) 27.Ra2= Qa2 28.Nd5 c3 29.Bd3 c2 30.Qc1 Qb1 (better 30...Qb3 31.Ng5 Rd5 (31...Qd3?! 32.Nh7 Kg7 33.Qg5 Kh8 34.Qf6 Kh7 35.Qf7 Kh8 36.Qf6 Kh7 37.Qf7 Kh6 38.Qf6 Kh7 39.Qf7=) 32.Bc2 Qc2 33.Qc2 Bc2 34.ed5 Ke7-+) 31.Qb1-/+ cb1Q 32.Bb1 Rc8 33.Bd3 Rc1 34.Bf1 Bb5 35.Ne3 Bc3 36.g4 a5 37.Kg2 Bf1 38.Nf1 a4 39.Ng1 (39.N3d2-+) 39...a3 40.Ne2 Rc2 41.Kf3 a2 42.Ne3 Re2! 43.Ke2 a1Q 0-1. zuri9 (2230) - grasul2009 (2435), gameknot.com, 2020.

9.d3 Qd6 10.Nbd2 Ba5 11.Rb1 Bf5 12.Ba3 Bb4 13.Bb4 Nb4 (13...cb4 14.a3=) 14.a3 Na2 15.Rb7 Nc3 16.Qe1 Qa6 (16...Rab8 17.Rb8 (17.Ra7? Qb6-+) 17...Rb8 18.Nb3 Ne2 19.Qe2 Bd3 20.Qd3+=) 17.Rb3+= d4 18.Nc4 Nfd5 19.Nfd2 Be6 20.Bf3 Rad8 21.Rb2 Na4 22.Rb1 h6 23.Ra1 Ndb6 24.Nb6 ab6 25.ed4 c4 26.Qe3 cd3 27.cd3 Bd5 28.Be4 Ba8 29.Rfc1 b5 30.Rc7+– Be4 31.de4+/- Qd6 32.Rac1 Qd4 33.Qb3 Re6 34.Qb5 Qd2 35.Qa4 Rd4 36.Qb5 g6 37.f3 Qe3 38.Kh1 Qa3 39.h3 Rd8 40.Qc5 Qb2 41.Qe3 Qd2 42.Qd2 Rd2 43.Rb1 Re2 44.Rb8 Kg7 45.h4 Rd6 46.Rbb7 Rf6 47.Kg1 Rf4 48.Kf1 Ra2 49.e5 Ra6 50.Re7 Kf8 51.Kf2 g5 52.Kg3 Re6 53.Re6 fe6 54.hg5 hg5 55.Rh7 Rf5 56.Kg4 Re5 57.Rh5 Re2 58.g3 e5 59.Kg5 Kg7 60.Rh1 Re3 61.Kg4 Rd3 62.Rc1 Kg6 63.Rc6 Kf7 64.Ra6 Rc3 65.Rb6 Rd3 66.Rc6 Rb3 67.Rh6 Re3 68.Rh8 Kg7 69.Re8 Kg6 70.Rg8 Kf7 71.Ra8 Kg6 72.Re8 Kf6 ½–½. Markus,Roland (2440) – Fernandez Ballon,Armel (2340), CiF, 2008.

9.d3 Qd6 10.Nbd2 Ba5 11.Nb3 Bb6 12.a4 a5 13.Ba3 Ba7 14.Nbd4 (14.d4 b6=) 14...Nd4+= 15.Nd4 Qe5 (15...Bb8 16.g3+=) 16.Nf3= Qc7 17.Bb2 Qd6 18.d4 Ne4 19.dc5 Bc5 20.Nd4 Qh6 21.Bb5 Bd6 22.f4 Rd8 23.Nf3 Bg4 (better is 23...Bb4!?+=) 24.Qd5+= Bf3 (better is 24...Nc5!? 25.Ne5 Be6+=) 25.Rf3+/- (25.gf3?? Bf4 26.ef4 Rd5 27.fe4 Rd2-+) ½–½. Battiston,Claudio (2000) – Ubezio,Marco (2140), Condino op, 2009.

9.d3 Qd6 10.Nbd2 Ba5 11.Nb3 Bc7 12.Bf6 gf6 13.Re1 Kh8 14.g3 Rg8 15.Bf1 Bg4 16.h3 Be6 17.Bg2 Rg7 18.Nbd2 Qd7 19.Kh2 (19.Rb1 Rb8+=) 19...Rag8-/+ 20.Nf1 (20.h4 Bg3 21.fg3 Rg3=) 20...Rg6 21.Ng1 (21.h4 b5-/+) 21...Ne7 (21...Rh6 22.Kh1-+) 22.e4 d4 23.Qd2 Nc6 24.f4 Ba5 25.Qf2 Be1 26.Re1 Ba2 27.c3 Bb3 28.c4 (28.Rc1 a5 29.Nf3-+) 28...Nb4 29.Ra1 (29.Qd2 Bc2 30.Nf3 Re8-+) 29...a6 (better is 29...Nd3 30.Qd2 Bc4 31.Ra7-+) 30.Qd2 Ra8 (30...b5!? 31.Nf3 Re8 32.cb5 Qb5 33.f5-+) 31.Nf3 a5 32.e5 a4 33.Nh4 Rh6 34.Qe2 (34.f5 Rh4! 35.gh4 Qf5 36.ef6 Rg8 37.Bb7 Qe5 38.Kh1 Qf6-+) 34...f5 35.Nd2 Bc2 36.Ra3 Bd3 37.Qd1 (37.Rd3 a3 38.Rf3 a2-+) 37...Bc2 38.Qh1 Rb6 39.Nhf3 Rg8 40.Ne1 (40.Nh4 Re8-+) 40...d3 41.Bd5 Nd5 (41...Rbg6!? 42.Nc2 dc2 43.Qa1-+) 42.cd5 Qb5 43.Qf3 (43.Nef3 Rbg6 44.Qc1-+) 43...Qb4 44.Nc4 (44.Rd3 Bd3 45.Qd3-+) 44...Qc4 45.Nd3 Bd3 46.Rd3 Rb2 47.Kg1 (47.Rd2 Rd2 48.Qg2 Qd5 49.Qd2 Qd2 50.Kg1 Rg3 51.Kf1 Rg2 52.e6 Qe2) 47...Qc1 (47...Rg3 48.Kh1 Rf3 49.Rf3 Qc1 50.Rf1 Qf1) 48.Rd1 (48.Qd1 Rg3 49.Kh1 Rh3 50.Kg1 Qf4 51.Qd2 Rb1 52.Qd1 Rd1 53.Rd1 Qf3 54.Rb1 Rh1) 48...Rg3! 0–1. Souza,Kim Garcia De (1770) – Tomaz,Tainan Pantano (2050), Championship Paranaense Absoluto de Xad, 2016.

9.d3 Be6 10.c3 Ba5 11.Qb3 d4 12.Qc2 (12.Qb7? Bd5 13.Qb5 Rb8 (13...de3?! 14.Qa4-/+) 14.Qc5 Rb2-+) 12...de3 13.fe3 Bc7 (13...c4 14.Nd4=+) 14.Bc1 Qd6 15.Nbd2 Rab8 16.Rd1 Ne5 17.Nf1 (17.Ne5 Qe5 18.Nf3 Qh5=+) 17...Nf3-/+ 18.Bf3 Ng4 19.g3 Ne5 20.Be2 b5 21.e4 b4 22.Bf4 (22.d4 cd4 23.cd4 b3-/+) 22...Ba5 (22...b3 23.Qd2 b2 24.Rab1-/+) 23.c4 Qd4 (23...Bd8 24.Ne3 Qd4 25.Kg2=+) 24.Be3= Qd6 (24...Qc3 25.Rac1 Qc2 26.Rc2=) 25.Bf4=+ Qd4 (25...Bd8 26.Ne3 Qd4 27.Kg2=+) 26.Be3= Qc3 27.Qa4 (27.Rac1 Qc2 28.Rc2 Bb6=+) 27...Bb6=+ 28.Rac1 Bd7 29.Qb3 (29.Rc3? Ba4 30.Rb3 Bb3 31.ab3 Rbd8-+) 29...Qb3 30.ab3 a5 31.Bf2 (31.Ra1 Ra8=+) 31...a4-/+ 32.ba4 Ba4 33.Rd2 Bd7 34.Ne3 Bd8 35.Rb1 Bg5 36.h4 Be7 37.Nd5 Bf8 38.Be3 f6 (38...Bd6 39.Kf2=+) 39.Kf2 Rec8 40.Bf4 Bd6 41.Be5 (41.Ra2 Ra8 42.Rba1 Ra2 43.Ra2 b3+=) 41...fe5=+ (worse 41...Be5 42.Ne7 Kf7 43.Nc8 Bc8 44.Ra2+=) 42.Ke3 Rf8 43.Ra2 Rf7 44.g4 Bc8 45.g5 Bf8 46.Rba1 Bb7 (46...Be6!?=) 47.Bg4+= Bd5 (47...Bc8 48.Bc8 Rc8 49.Ra6+=) 48.ed5+/- b3 49.Rb2 Rfb7 50.Bd1 e4 (50...h6!?+/-) 51.de4+- Bd6 52.Ra3 Be5 53.Rbb3 Rb3 54.Rb3 (54.Bb3?! Bb2 55.Ra5 Rb3 56.Kf4 Rh3=) 54...Rb3 55.Bb3 Kf7 56.Kf3 h5 57.Ba4 Bd6 58.Bd1 g6 59.Be2 ½-½. Jan_Ek – Bsackman, internet, 2020.

9.d3 Be6 10.Nbd2 d4 11.a3 (11.a3 Ba5 12.Ng5+=) 1–0. Yarmolyuk,Yury (2130) – Grinwis,Jaap (2115), SH–2006–0-00070, 2006.

9.d4 cd4 10.Nd4=+ Ne5 11.Nd2 Bg4 12.Bg4= Nfg4 13.h3 Bd2 14.Qd2 Nc4 15.Qb4 Nf6 16.Rfd1 Rc8 17.Rab1 Ne4=+ 18.Nf3 a6 19.Rd3 Qd7 20.Rbd1 a5 21.Qb3=+ Nb2 22.Qb2= Qc6 23.Nd4 Qf6 24.Rf1 Nc5 25.Rdd1 a4 26.a3 Qe5 27.Qb4 Qe4 28.Rb1 Re5 29.Ne2 Qc2 30.Rb2 Qf5 31.Nd4 Qd7 32.Rc2 Nb3 33.Rc8+= Qc8 34.Nb3 ab3 35.Qb3 Qc6 36.Qb2 Re7 37.Rc1 Qe6 38.Rc5 h6 39.Qb4 Rd7 40.Rc8 Kh7 41.Qb1 f5 42.Rb8 Qf7 43.g4 g6 44.Qb2 Qg7= 45.Qg7 Kg7 46.gf5 gf5 47.Kf1 Kf6 48.Ke2 Kg5 49.Kd3 f4 50.ef4 Kf4 51.Kd4 Kg5 52.Rf8 h5 53.Rf3 Kh4 54.Rb3 Rf7 55.Kd5 Rf2 56.Rb7 Kh3 57.Ke4 h4 58.a4 Ra2 59.Ra7 Kg2 60.Rc7?? h3-+ 61.Rg7 Kh1?? 62.Kf3= Ra3 63.Kf2 Ra4 64.Rc7 Ra3 65.Rc6 Kh2 66.Rc1 Rb3 67.Rc2 Rg3 68.Rc1 Ra3 69.Rc2 Rd3 70.Rc1 Rd2 71.Kf3 Rg2 72.Rc8 Rg3 73.Kf4 Rg6 74.Kf3 Rf6 75.Kg4 Rf2 76.Rc3 Rg2 77.Kh4 Re2 78.Rh3 Kg1 79.Kg4 Re1 80.Kf3 Ra1 81.Rh8 Rb1 82.Rh7 Ra1 83.Rd7 Rb1 84.Rd3 Ra1. aspasio (2300) – bot (2555), ICC, 1999.

9.d4 Ne4 10.a3= Ba5 11.dc5 Nc5 12.c4 (12.Nc3 Bc3 13.Bc3 Ne4=) 12...Be6 (12...Qb6 13.Ra2 dc4 14.Nfd2=+) 13.Nc3 (better 13.Nbd2=) 13...dc4 14.Qd8 (14.Qc2 Qb6 15.Ng5+=) 14...Rad8 (14...Bd8?! 15.Nb5 Na4 16.Bd4-/+; 14...Nd8?! 15.Rac1 a6 16.Rfd1-/+) 15.Nb5 (15.Rfd1 f6-+) 15...Nd3 (15...Na4!? 16.Rab1 Bf5 17.Bc4 Bb1 18.Rb1 Nb2 19.Rb2-+) 16.Bc3 Bc3 17.Nc3 Nce5 (17...f6 18.Rfd1-+) 18.Rab1 b6 19.Nd4 Bc8 20.Ncb5 Re7?? (better 20...a6 21.Bd3 cd3-+ (21...ab5?! 22.Be4=)) 21.f4+= a6 (21...Rd4!? 22.ed4 Bg4 23.fe5 Be2+=) 22.Nc6?? (better 22.fe5 Ne5 23.Nc3+/-) 22…Nc6-+ (22...Nc6 23.Bf3 ab5 24.Bc6 Bd7-+) 0-1. Bendega (2040) - HaJue (1885), lichess.org, 2021.

9.Re1 Bf5 10.c3 Ba5 11.d3 d4 12.cd4 (better 12.e4!? Be6 13.Ng5=+) 12…Be1-/+ (12...Be1 13.Qe1 cd4 14.Nd4 Nd4 15.Bd4 Bd3-/+) 0-1. Mely (2210) - jana84 (2595), ChessWorld.net, 2020.

9.h3 Ba5 10.Nc3 d4 11.Na4 Qd6 12.Ba3 b6 13.Nb2 de3 14.de3 Qe7 15.Bd3 Bb7 16.Nc4 Bc3 17.Rb1 Rad8 18.Rb3 Bb4 19.Bb4 Nb4 20.a3 Bd5 21.Qe2 Nc6 22.a4 h6 23.Ra1 Nd4 24.Nd4 cd4 25.a5 de3 26.Qe3 Qd7 27.Qc1 b5 28.Na3 Bb3 29.Bb5 Qd4 (29...Qb7 30.Be8 Bd5 31.Rb1=+) 30.Be8 Bd5 31.Bb5 (31.c4!? Re8 32.cd5=) 31...Ne4-/+ 32.Qe1 Nf2! 33.c3 (33.Qf2 Qa1 Double attack (33...Qa1 Deflection; 33...Qa1 Decoy; 33...Qa1 Overloading)) 33...Nh3 34.Kh2 Qf4 35.Qg3 Bg2 (35...Qg3 36.Kg3 Ng5 37.Kh2-/+) 36.Kg2 Rd2 37.Kh3 Qf5 (37...Qf5 38.Qg4 Rh2 39.Kh2 Qg4-+) 0-1. marekt (2240) - vladimirmk (2335), gameknot.com, 2018.

9.h3 Ba5 10.c4 d4 11.ed4 cd4 12.Bd3 Nb4 13.Qb3? (13.Bc2 Bb6-/+) 13...Nh5 (better 13...Nd7!? 14.Bh7 (14.Bd4 Nd3 15.Qd3 Ne5 16.Ne5 Re5-+) 14...Kh7 15.Bd4-+) 14.Nd4 (14.Bd4?? Nd3 15.Nc3 Bc3 16.Qc3 Bf5-+) 14...Nf4 15.Bf5 Nbd3?? (better 15...Bb6 16.Qb4 Qg5-+ (16...Bd4?! 17.Bc8 Rc8 18.Bd4 Qd4 19.Nc3-/+)) 16.Bd3= Qg5 17.Bh7 (17.g3 Nh3 18.Kh1=) 17...Kh7= 18.Qg3 Qh6 19.Nc3 Bb6 20.Nf3 Bc7 21.Qg5 Qg5 22.Ng5 Kg6 23.Nf3 Nd3 24.Rab1 Nb2 25.Rb2 b6 26.Nd5 Bd6 27.d4 Bf5? (27...Ba6 28.Ne3+/-) 28.Ne3 Rac8?? (28...Bd3 29.Rd1 Be4 30.Rb5+/-) 29.Nf5 (better 29.Nh4 Kh7 30.Nhf5+-) 29...Kf5 30.c5 bc5 31.dc5 Bc5 32.Rb5 Kg6 33.Ra5 Bb6 34.Rb5 Rc2 35.Rb3 Ree2 36.Rb6 ab6 37.Nd4 Ra2 38.Ne2 Re2 39.Rb1 Re6 40.Rb5 Kf6 41.f4 Ke7 42.Kf2 Kd7 43.Kf3 Kc6 44.Rb3 b5 45.f5 Kb6?? (better 45...Re7=) 46.fe6+- fe6 47.Ke4 Kc5 48.Ke5 b4 49.Ke6 Kc4 50.Rb4! Kb4 51.Kf7 Kc5 52.Kg7 Kd5 53.h4 Ke4 54.h5 Kf5 55.h6 Kg4 56.h7 Kg3 57.h8Q Kf2 Black threatens to counter with Qh5 58.Qh5 (better 58.Qh1 Ke2 59.Qg1+-) 58...Kg3 59.Qf5 Kh2 60.Qf6 Kg3 61.Qg6 (61.Qf3 Kh2 62.g4 Kg1 63.Kf7 Kh2 64.g5 Kg1 65.g6 Kh2 66.g7 Kg1 67.g8Q Kh2 68.Qgg3) 61...Kh2 62.g4 Kg3 If Black now would get Qc2 in, he might survive 63.g5 Kg4 (63...Kf4 64.Kf7 Ke3 65.Qd6 Kf3 66.g6 Ke2 67.g7 Kf3 68.g8Q Ke3 69.Qgg3 Ke4 70.Qgf4) 64.Qf6 Kh5 (64...Kh3 65.Kf7 Kh4 66.g6 Kg4 67.g7 Kh5 68.Qe5 Kh6 69.g8R Kh7 70.Rh8) 65.g6 Kg4 66.Kf7 Kh5 (66...Kh3 67.g7 Kg4 68.g8Q Kh5 69.Qgg5) 67.g7 Kg4 68.g8Q Kh5 69.Qgg7 (69.Qgg5) ½-½. pinokio33 (2195) - Noonui (2355), Rated Blitz tournament jy9f94D4, lichess.org, 2015.

9.h3 Qe7 10.Bb5 Bd7 11.d3 Ba5 12.Nbd2 Bc7 13.Re1 a6 14.Bc6 Bc6 15.d4 c4 16.Ne5 Qd6 17.a4 b5 18.Ba3 Qe6 19.f4 (19.Nc6 Qc6 20.ab5 ab5+=) 19...Ba5-/+ (worse is 19...ba4 20.f5 Qf5 21.Nc6+=) 20.g4 (20.f5 Qc8-/+) 20...Nd7 21.Ndf3? (better is 21.f5!? Qf6 22.Nc6 Qc6 23.ab5 ab5 24.Bc1-+) 21...Ne5 22.Ne5 Be1 23.Qe1 Rac8 (23...ba4 24.Qg3-+) 24.ab5 Bb5 25.Qg3 (25.Qf2 f6 26.f5 Qb6-+) 25...f6 26.f5 Qb6 27.g5 fe5 28.f6 Qe6 29.Rf1 Rc7 30.fg7 Rg7 31.de5 h6 32.h4 hg5 33.hg5 Qg6 (33...Qe5?! 34.Rf8 Rf8 35.Qe5=) 0–1. Gimeno Higueras (2025) – Capella Gimenez (2145), Mislata op, 2004.

10.Ra2 Be6 11.Ra1 Rb8 12.d4 c4 13.Bc3 Bc7 =+.

10.a4 a6 11.d4 c4 12.Bc3 Bc7 13.Nbd2 Bf5 14.Rb1 b6 15.Re1 Qd6 16.Qc1 Rad8 17.Qb2 Rb8 18.Ne5 b5 (18...Ne5?! 19.de5 Re5 20.Be5 Qe5 21.Nf3=) 19.Qa2 (19.ab5 ab5 20.g4 Be6-+ (20...Ne5? 21.de5 Qd7 22.gf5+–)) 19...b4 (19...b4 20.Ba1 Ne4-/+ (20...Ne5?! 21.de5 Re5 22.Be5 Qe5 23.Nf3+=); 19...Ne5?! 20.de5 Re5 21.Be5 Qe5 22.Nf3=) 0–1. Blakmoor,Ben (1840) – Retamoza,Francisco (2135), CFriend SI–2004–0-00035 email, 2005.

10.a4 Bf5 11.Bb5 a6 12.Bc6 bc6 13.d3 Rb8 -/+.

10.Bb5 Bd7 11.Nc3 d4 12.Na4 Qe7 13.ed4 cd4 14.c3 Qd6 (14...dc3!? 15.Nc3 Rac8-/+) 15.cd4= (15.Nd4?? Nd4 16.cd4 Bb5-+) 15...Bc7 16.Qb3 Ne4 17.g3 Be6 18.Qd3 Qd5 (18...Bg4 19.Rfe1 Bf3 20.Qf3 Nd2 21.Qd3 Re1 22.Re1 Nd4 23.Re3 Nb5 24.Qb5=) 19.Rfc1 (19.Rfe1 Bf5 20.Bc4 Qd7+=) 19...Bg4= 20.Nc3 Nc3 21.Rc3 Bb6 The pressure on the isolated pawn grows 22.Rac1 Rad8 23.Rc6 Bf3 (worse 23...bc6 24.Bc6 Qf5 25.Qf5 Bf5 26.Be8 Re8 27.Re1+–) 24.Rd6 (24.Rb6 ab6 25.Be8 Re8=) 24...Rd6 25.Be8 Bg4 26.Bb5 Bh3 27.f3 Bf5 28.Qe2 Rd8 29.Bc4 Bd4 30.Kh1 Qd7 31.Bd4 Qd4 32.Qe7 Bg6 33.d3 (33.Qb7 Qd2 34.Rg1 Qf2=) 33...h6=+ 34.Qb7 Qf2 35.a4 Re8 36.d4. Pierre – Aelgmar, internet, 2020.

10.Bb5 Bd7 11.h3 a6 12.Bd3 Qe7 13.Re1 Qd6 14.Nc3 Rad8 15.a4 Ne5 16.Ne5 Qe5 17.Qf3 (17.Rb1!? d4 18.ed4 Qe1 19.Qe1 Re1 20.Re1 cd4 21.Ne4 Ne4 22.Re4+=) 17...Bc7 18.g3 Bh3 19.Qh1 (better is 19.Nd1!? Qg5 20.Bf6 gf6 21.Rb1-/+) 19...Qe6-+ 20.Ne2 Ne4 21.Nf4 Bf4 22.ef4 c4 23.Bd4 cd3 24.cd3 Bg4 25.Bc3 (25.a5 Qf5 26.de4 de4-+) 25...Qg6 (25...Ng3!? 26.Re6 Nh1 27.Re8 Re8 28.Kh1-+) 26.de4 de4 27.Re3 f6 28.a5 h6 29.Qg2 Rd5 (29...Bf3 30.Rf3 ef3 31.Qf3-+) 30.Rae1 Bf3 31.Rf3 ef3 32.Re8 Qe8 33.Qf3 Rb5 34.Qd3 Qe6 35.Kg2 Qd5 36.Qd5 Rd5 37.Kf3 Kf7 38.Ke4 Ke6 39.Bb4 h5 0–1. pierred (2795) – pcmvr, net–chess.com, 2016.

10.Bb5 Bg4 11.d3 Qd6 12.h3 Bh5 13.Nbd2 Bd2 14.Qd2 Bf3 15.gf3 Ne5 16.Qd1=+ Re6 17.d4 cd4 18.Bd4 Nc6 19.Bb2 Rd8 20.Bd3 Nh5 21.f4 Rh6 22.Qf3 Qe6 23.Qg4 Qe7 24.Kh2 d4 25.Rg1 Qf8 26.Rg2 Nf6 27.Qg5+= Kh8 28.Rag1 Ne8 29.Be4 f6 30.Qb5 Nd6= 31.Qd3 Ne4 32.Qe4 de3 33.fe3 Rd7 34.Qf5 Qd8 35.e4 Ne7 36.Qe6 Rg6 37.f5 Rg2=+ 38.Rg2 Nc6 39.Bc3 Qb8 40.Rg3= Re7 41.Qd5 h5 42.Kg2 Qe8=+ 43.Re3 Kh7 44.Qd3 Rd7 45.Qe2 Kh6 46.Rg3+= Qe7? 47.Rg6+– Kh7 48.Qh5?? Kg8+/- 49.Rg4 Ne5 50.Rh4 Qa3?? 51.Qe8+– Qf8 52.Rh8!! (52.Rh8 Kh8 53.Qf8 Kh7 54.Be5 fe5 55.Qc8 Rd2 56.Kf3+–) 1–0. Buesdorf,Konrad (1795) – Johannsen,Ingbert (2035), Alpenpokal, 2002.

10.Qc1 Bf5 11.Nh4 Be6 12.Nf3 Qe7 13.Nc3 a6 =+.

10.Bc1 a6 11.Bb2 Qd6 12.a4 Bg4 13.h3 Bf5 -/+.

10.c3 Qb6 11.Ra2 c4 12.a4 Bf5 13.Na3 a6 14.Bc1 Be4 15.Ra1 1-0. marekt (2355) - mechkom (2445), gameknot.com, 2022.

10.c3 c4 11.d3 cd3 12.Bd3 Bg4 13.Nbd2 Ne5 14.Be2 Bc7 15.h3 Bh5 16.c4 dc4 17.Nc4 (17.Ne5 A) worse 17...Re5 18.Be5 Be5 19.Rb1+/- (19.Bh5?! Ba1 20.Nc4 Nh5 21.Qh5 Bf6=); B) 17...Be5 18.Nc4 Bb2 19.Nb2 Be2 20.Qe2 Ne4=) 17...Nf3 (17...Bf3!? 18.Qd8 Rad8 19.gf3 b5 20.Ne5 Be5=) 18.Bf3= Qd1 19.Bd1 Bf3?? (better 19...b5 20.Bh5 Nh5= (worse 20...bc4 21.Be2+/-)) 20.Bf3+- (20.gf3?! b5 21.Nd2 Rad8+-) 1-0. BeepBeepImAJeep (2765) - xamax2000 (2670), lichess.org, 2020.

10.c3 Bf5 11.d3 Bc7 12.Nbd2 Qd6 13.Re1 Rad8 =+.

10.Bc3 Bc7 11.d4 c4 12.Nbd2 Bg4 13.Ne1 Bd7 14.Ndf3 Ne4 15.Bb2 Ba5 16.c3 (16.Rb1!?-/+) 16...Bc3-+ 17.Bc3 Nc3 18.Qc2 Ne2 19.Qe2 b5 20.Nc2 Bf5 21.Nb4 (better is 21.Rfb1 a6 22.Rb2-+) 21...Nb4 22.ab4 Bd3 23.Qd2 Bf1 24.Kf1 a5! 25.ba5 (25.Ra5 Ra5 Combination; 25.ba5 Qd6 Combination) 25...Re6 26.h3 (26.Qb4 Rea6 27.Qb5 Ra5 28.Ra5 Qa5 29.Qa5 Ra5-+) 26...Rea6 27.Ne5 Ra5 28.Ra5 Qa5 29.Qa5 Ra5 30.Nf3 (30.Nc6 Ra1 31.Ke2 Ra2 32.Ke1-+) 30...b4 31.Ke2 Ra2 32.Ke1 c3 33.Kd1 b3 34.Kc1 Ra1# 0–1. Neumann,Frank – Kovacs,Arthur (2430), OP–2011–0-01844, 2011.

10.Bc3 Bg4 11.Ba5 Qa5 12.Re1 Rad8 13.c3 b5 -/+.

10.Nc3 d4 11.Na2 Qd6 12.d3? (better is 12.Re1!?+=) 12...de3-+ 13.fe3 Re3 14.Qd2?? (better is 14.Bf6 Qf6 15.Nd2-+) 14...Bd2 15.Nd2 Re2 16.Nc4 Qd5 17.Rf3 Bh3! 18.Ne3 (18.Rh3 Qg2 Mate attack; 18.gh3 Qf3 Mate attack) 18...Rg2! 19.Ng2 Qf3 (19...Qf3 20.Nf4 Qe3 21.Kh1 Qf4 22.Kg1 Qf3 23.Bf6 Qg2#) 0–1. Neumann,Frank (1650) – Milde,Lars (2255), RSX15E–Maiturnier–1, 2009.

10.Nc3 d4 11.ed4 cd4 12.Na2 Qd6 13.Nb4 Bb4 14.ab4 Qb4 15.Ba3 Qb6 16.Re1 Bf5 17.Nh4 Be6 18.Qb1 Qc7 19.Qb2 Qf4 20.Qb7 (better is 20.Nf3!?-/+) 20...Bd5-+ (20...Qh4?! 21.Qc6 Bd5 22.Qc5-/+) 21.Bf3 Re1 (21...Qh4 22.Bd5 Nd5 23.Qc6 Re1 24.Re1+=; 21...Qd2?! 22.Red1 Qc3 23.Bb2-+) 22.Re1 Rb8 23.Qa6 Qd2 24.Qe2 Qe2 25.Be2 (25.Re2?? Rb1 26.Bc1 Rc1 27.Re1 Re1) 25...a5 26.Bd3 g6 27.Kf1 Nb4 28.Ra1 Kg7 29.Nf3 Bf3 30.gf3 Nfd5 31.Bb4 Rb4 (worse is 31...Nb4 32.Ra5 Nd3 33.cd3 Rb1 34.Ke2 Rb2 35.Ke1-/+) 32.Ra5 Rb1 33.Kg2 Nf4 34.Kg3 Nd3 35.cd3 Rb3 36.Kf4 Rd3 37.h4 h5 38.Rd5 Kf6 39.Rd6 Ke7 40.Ra6 Rd1 41.Ke5 f6! 42.Kf4 Rh1 43.Kg3 g5 44.hg5 fg5 45.Kg2 Rc1 46.Ra4 Rd1 47.Ra5 Ke6 48.Rg5 d3 49.Rg8 Kd7 50.Rg7 Kc6 51.Rg8 Kc5 52.Rd8 Kc4 53.f4 Re1 54.f5 Re5 55.f6 Rf5 ½–½. Glanze,Rudolf – Oltean,Dorel (2325), CP–2010–P–00007, 2010.

10.Nc3 d4 11.ed4 cd4 12.Nb5 Bb6 13.a4 a6 14.Na3 Ne4 15.Nc4 Bc7 16.Re1 Qf6 17.Bd3 Bf5 18.Re2 Qh6 19.g3 +=.

10.Nc3 d4 11.ed4 Nd4 12.Nd4 cd4 13.Nb1? (13.Nb5 Ne4 14.Bd3 Nd2 15.Qh5=+) 13...Qb6-+ 14.Bc1 d3 (14...Bf5!? 15.d3 Nd5 16.Bf3-+) 15.Bd3?? (15.cd3 Be6 16.Nc3-+) 15…Bg4 (15...Bg4 16.Qe1 Re1 17.Re1 Bd7-+) 0–1. retiponziani (2050) – doclolly (2570), ChessWorld.net, 2019.

10.Nc3 Ne4 11.Na4 b6 12.d3 Ng5 13.Ng5 Qg5 =+.

10.Nc3 Bg4 11.Na4 Bc7 12.Nc3 d4 13.Nb5= Bb8 14.Nfd4 Be2 15.Ne2 Ne4 16.d3 Qb6 17.a4+/- a6 18.de4 ab5 19.ab5 Ra1 20.Qa1 Qb5 21.Nc3 Qc4 22.Rd1 Nb4 23.Nd5 f6 24.Bf6 Qe4?? 25.Nb4+/- gf6 26.Nd5 Be5 27.Nf6 Bf6 28.Qf6 Qc2 29.Qg5 Kh8 30.Qf6 Kg8 31.Ra1 c4 32.f3 Qd2 33.e4 c3 34.Qb6 c2 35.Qb3 Kf8 36.Qa3 Kg7 37.Qc1 Rd8= 38.Qa3 Kg6 39.Kf1 Qd1 40.Kf2 Qd4 41.Kg3 Qa1!? 42.Qa1 Rd1 43.Qe5 c1Q 44.Qe6 Kh5?? 45.Kh3?? Qg5?? 46.g4+– (46.g4 Qg4 47.fg4 Kg5 48.Qf5 Kh6 49.Qf6#) 1–0. COMP Novag Scorpio – McLaren,Leonard, NZL Man vs Machine, 1992.

10.c4 dc4 11.Bc4 Be6 (11...Bg4 A) 12.d3 Qe7 (12...Qd6) 13.h3 Be6 14.Bb5 Bd7 15.Bc4 Rab8 16.Ng5=+; B) 12.h3 Bh5 13.Qb3 Rb8 14.Be2 Qd6 15.Rc1 Bc7 16.Qc2=+; C) 12.Qb3 Qe7 13.Ng5 Bh5 14.Rc1 Bc7 15.f4 Na5 16.Qc2=) 12.Be6 (12.Qc2 Bc4 (12...Bb6 13.Be6 fe6 14.Nc3 e5 15.d3 Rf8 16.Na4+=) 13.Qc4 Qd6 14.Rc1 Bb6 15.Bf6 Qf6 16.Nc3=; 12.Qb3 Bc7 (12...Bc4) 13.Be6 Re6 14.Rc1 Na5 15.Qc2 c4 16.Nd4=+) 12...Re6 13.Qc2 Rd6 (13...Ne4 14.Rc1= Qd6 15.d3 Nf6 16.Bf6=; 13...Nd7 14.d4 cd4 15.Bd4 Rc8 16.Qf5=) 14.d4 (better is 14.Qc5!? Ne4 (14...Rc8 15.Qg5 Qb6 16.Bc3+/-) 15.Qf5+/- Qe7 16.d4+=) 14...cd4=+ 15.ed4 (15.Nd4!? Rc8 16.Nf5=) 15...Bb6-/+ 16.Nc3 (16.Qb3 Qe7=+) 16...Bd4 17.Nd4 (17.Rfd1 Rc8-/+) 17...Nd4 18.Qd1 Rc8 19.Nb5?? (better is 19.Re1-/+) 19...Rb6 (better is 19...Nb5 20.Qf3 Qd7-+) 20.Na7? (20.Bd4 Rb5 21.Ba7 Qa5=) 20...Rc4 (better is 20...Rb2!? 21.Nc8 Ne2 22.Kh1 Qc8-+) 21.Bd4 (21.Qd3 Ra4 22.Rfc1 Ra7 23.Bd4 Ra8=) 21...Qd4 (better is 21...Rd4 22.Qc1 Rd2=+) 22.Nc8?? (better is 22.Rc1 Qd1 23.Rfd1 Rc1 24.Rc1=) 22...Qd1-+ 23.Nb6 (23.Rad1?? Rc8 24.Rb1 Rb1 25.Rb1 b6-+) 23...Qf1?? (better is 23...Qd4 24.Nc4 Qc4-+) 24.Kf1= Rc6 ½–½. Zimmer – Van der Volkel,L, corr, 1980.

10.c4 Bc7 11.d4 cd4 12.Nd4 Qd6 13.g3 a6 14.Nd2 Ne5 15.cd5 Nd5 16.Nc4 Nc4 17.Bc4 b5 18.Bd5?? Qd5=+ 19.Rc1 Bh3 20.Nf3 Qb7 21.Rc7? Qc7-+ 22.Qd4 f6 23.Qd5 Kh8 24.Rc1 Red8 25.Rc7 Rd5 26.Nd4 Rad8 27.f4 Rd4?? 28.Bd4 Rd4?? 29.ed4+– (29.ed4 Be6 30.Re7+–) 1–0. Kowalkowski – Sternik,Ryszard, corr 1. AMM Poland, 1991.

10.c4 Bc7 11.d4 cd4 12.Nd4 Qd6 13.g3 a6 14.Nd2 Ne5 15.cd5 Nd5 16.Nc4 Nc4 17.Bc4 Bh3 18.Re1 Rad8 19.Qh5 Be6 20.Nf5 Bf5= 21.Qf5 b5 22.Ba2 Qg6 23.Qf3 Qe4 24.Qe2 Be5 25.Be5 Qe5 26.Qf3 Nf6 27.Qb7 Qh5 28.Bb3 Ng4=+ 29.h4 g5 30.Qf3+= Rf8 31.Bd1 f5= 32.e4 Rde8 33.Bb3 Kg7 34.ef5 gh4 35.Re8 Re8 36.Qc3 Nf6 37.Be6 hg3= 38.fg3 Qg4 39.Rf1 Rd8 40.Qc7 Kh6 41.Qd8 Qg3 42.Kh1 Qh3 43.Kg1 Qg3 ½–½. Piszcz,Kazimierz – Skonieczny,Jerzy, corr 2. AMM Poland, 1994.

10.c4 Qd6 11.cd5 Nd5 =+.

10.d3 b5 11.Nbd2 Bg4 12.h3 Bd2 13.Qd2 Qe7?? (better is 13...Bf3 14.Bf3 Ne5 15.Be5 Re5=) 14.Bf6 Qf6 15.hg4 a5 16.g5 Qe6 17.Rfb1 Rab8 18.c4! bc4 (18...bc4 19.Rb8 Decoy; 18...dc4 19.dc4 Decoy) 19.dc4 d4 20.Bd3 (better is 20.Rb8 Rb8 21.ed4 cd4 22.Bd3+–) 20...de3 21.fe3 Rbd8 22.Rd1 (22.Rb6 Rd7+–) 22...Qe3 23.Qe3 Re3 24.Bf1 Rde8? (24...Nd4 25.Nd4 cd4 26.Rab1+–) 25.Kf2 R3e4 26.Re1 Re1 27.Re1 Re1 28.Ke1 Kf8 29.Bd3 Ke7 30.Be4 Nd8 31.Bd5 f5 32.Nd2 Kd6 33.Nb3 a4 34.Nc1 Ke5 35.g3 f4 36.Nd3 Kf5 37.gf4 h6 38.gh6 gh6 39.Nc5 Kf4 40.Na4 h5 41.Nc5 Ke5 42.Nb7 Nb7 43.Bb7 Kd4 44.Bd5 Kc5 45.Kf2 1–0. mr5reasons1 – yasur, gameknot.com, 2012.

10.d3 Qd6 11.Nbd2 Bc7 12.g3 Bh3 13.Re1 Rad8 14.Ng5 Bc8 15.Ngf3 Ne7 (15...d4 16.Bf1=+) 16.Rc1 Ng6 (16...Qb6 17.Rb1=+) 17.c4= b6 (17...dc4 18.Rc4 Nd7 19.d4=) 18.cd5 Nd5 19.Qc2 h5 (19...Qe6 20.d4+=) 20.Rcd1 (20.d4!?+/-) 20...h4+= 21.Nc4 (21.e4 hg3 22.hg3 Ndf4 23.gf4 Nf4-/+) 21...Qe6= 22.e4 (22.gh4?? Qh3 23.Bf1 Qf3-+; worse 22.Nh4 Nh4 23.Kh1 Qf5-+) 22...Nf6 23.Bf1 (23.gh4? Qh3 24.Bf6 gf6-+; worse 23.Nh4 Nh4 24.gh4 Qh3-+) 23...hg3 24.fg3 Nh5 (24...b5 25.Ncd2 Bb6=+) 25.Ng5 (better 25.d4+=) 25...Qg4-/+ 26.Bc1 (26.Nf3 Bg3 (worse 26...Qf3 27.Be2 Nh4 28.Bf3 Nf3 29.Kg2 Ne1 30.Re1+/-) 27.hg3 Qf3-+) 26...Ng3 (26...Nhf4!? 27.Nf7 Kf7 28.Ne3 Nh3 29.Bh3 Qh3 30.d4 Bg3 31.hg3 Qg3 32.Ng2-+) 27.hg3-/+ Qg3 (27...f6 28.Bh3 Qg3 29.Qg2 fg5 30.Bc8 Rc8 31.Bg5-/+) 28.Qg2=+ Qg2 (28...Nh4!? 29.Qg3 Bg3-/+) 29.Bg2= Bg4 (29...Nf4 30.Bf4 Bf4 31.Nh3=) 30.Bf3+= Bh3 1-0. brucepeng (2025) - Saeed_tz (2015), lichess.org, 2020.

10.d3 Bd7 11.Nbd2 b5 12.c4 bc4 13.dc4 Rb8 14.Qc2 d4 15.e4 Ng4 16.h3 Nge5 17.Ne5 Ne5 18.f4 d3 19.Bd3 Nd3 20.Bg7 Kg7 21.Qd3 Bd2 22.Qd2 Bc6 23.Qc3 Qd4 24.Qd4 cd4 25.e5 f6 26.ef6 Kf6 27.Rfe1 Re1 28.Re1 Rb2 0–1. phildo (1840) – jesper81 (1610), gameknot.com, 2013.

10.d3 Be6 11.Nbd2 h6 12.Nb3 Bb6 13.c4 dc4 14.dc4 Ne4 15.Qc2 Bf5 16.Bd3 Qc7 17.Nh4 Bh7 18.f3 Ng5 19.Bh7+= Nh7 20.Nf5 f6 21.Rad1 Rad8 22.Rd5 Ne7 23.Ne7 Qe7 24.e4 Bc7 25.Rfd1 b6 26.Rd8 (26.Bc3 Ng5+=) ½–½. De Visser,Arnold – Incelli, corr ICCF TT–4–90 SF, 1994.

10.d3 Qe7 11.Nbd2 Bf5 12.c4 d4=+ 13.e4 Bc7 14.Re1 Bd7 15.Bf1 a6 16.e5 Ng4 17.h3 Nh6 18.Nh2 Qg5 19.Ndf3 Qd8 20.Bc1-/+ Nf5 21.g4 Nfe7 22.Ng5 Be5 23.f4 Bc7-+ 24.Qf3 b5 25.Bd2 bc4 26.dc4 g6 27.Ne4= Bb6 28.Nf6+/- Kg7 29.Ne8 Be8 30.Bg2 f6 31.Nf1 Qc7 32.Re6 Rd8 33.Rae1 Rd6 34.f5 Re6 35.Re6 Bd7+= 36.g5 Be6-/+ 37.gf6 Kf6 38.fe6 Ke6 39.Bg5 Qe5 40.Bf4 Qf5 41.Ng3 Ne5 42.Qf1 Qc2 43.Bd5? Nd5-+ 44.Be5 Ke5 45.cd5 Qc3 46.Ne2 Qe3 47.Kg2 Kd5 48.Qf7 Kc6 49.Qf6 Kb7 50.Nf4 Bc7 51.Ne6 Qg3 52.Kf1 Qh3 53.Kf2 Qe3 54.Kg2 Qg3 55.Kf1 Qe5 56.Nd8 Kc8 (56...Kc8 57.Qe5 Be5-+) 0–1. De Visser,Arnold W – Kuhlmann,Antonius Egidius J, corr Netherlands, 1986.

10.d3 Qe7 11.d4 c4 12.Nc3 Bd7 13.h3 Bc3 14.Bc3=+ Nh5 15.Ne5= Nf6 16.Nc6 Bc6 17.Bf3 a5 18.Qd2 b6 19.Rfb1 Rab8 ½–½. Pommerel,Wim – Mothes,Rainer, corr SOK–91–73, 1991.

10.d3 Bf5 11.Nbd2 Bc7 12.c4 dc4 13.Nc4 b5 14.Ncd2 Bd3 15.Bf6 Qf6?? 16.a4?? b4?? 17.Rc1?? Be2-/+ 18.Qe2 Bd6 19.Rfd1 Qe7 20.Nc4 Bc7 21.Nh4?? Qe4 22.Qh5 Ne7 23.h3 Red8 24.Rd8 Rd8-/+ 25.Qc5 Qc2 26.Rf1 Rd1 27.g3=+ Rf1 28.Kf1 Qd1 29.Kg2 Qd5 30.Qd5 Nd5 31.Nf5 Nb6 32.Nb2 Be5 33.Nd4 a5 34.f4 Bd4 35.ed4 f5 36.Kf3 Kf8 37.Ke3 Ke7 38.Kd3 Ke6 39.Kc2 Kd5 40.Kd3. Schirmer,Michael – Steinmann,Joachim, corr 3GMM–F, 2001.

10.d3 Bf5 11.Nbd2 Qe7 12.c4 dc4 13.Nc4 Bc7 14.h3 Rad8 15.Qc2 Qd7 (15...b5 16.Ncd2+=) 16.e4 Bh3 17.Bf6 gf6 18.Nh4?? (better is 18.Ne3 Be6 19.Qc5=) 18...Nd4-+ 19.Qd1 Ne2 20.Qe2 Bg4 21.Qe3 b5 22.Nb2 Be5 23.Rab1 Qd6 24.Kh1 (24.Qc1-+) 24...Bf4 25.Qe1 Kh8 (25...f5 26.f3 Bg3 27.e5 Be1 28.ed6 Bh4 29.fg4 fg4 30.Rf5-+) 26.f3 (26.Qa5 f5! 27.f3 Bg3 28.fg4 A) 28...Bh4?! A1) 29.Qb5? fe4 30.Nc4 Qh6 (30...Qd3?! 31.Qc5 Bg3 32.Nb2-+) 31.Qc5 e3-+ (31...ed3?! 32.Kg1-+; 31...Rd3?! 32.Qh5 Qh5 33.gh5-+); A2) 29.Rf5 Bf6 30.g5-/+; B) 28...Qh6 29.Qc3 Kg8 30.Rf5 B1) worse is 30...Bh4 31.Rh5 Qf6 32.Qc5+= (worse is 32.Rc5 a6=); B2) 30...Qh4 31.Kg1 Qh2 32.Kf1 Qh1 33.Ke2 Qb1 34.Rc5 Bf4-+) 26...Bc8 27.g4 0–1. Santana,Expedito (1690) – Noseda,Francesco (1975), Pocos de Caldas BRA, Open, 2014.

10.Bd3 Ne4 11.Be2 Qb6 12.Qc1 Bg4 13.Ra2 Be6 =+.

10.d4 cd4 11.Nd4 Bc7 12.Nf3 Bg4 13.Nbd2 Ne5 14.a4 a6 15.Kh1 Ne4 16.Ng1 Be2 17.Qe2 Nd2 18.Qd2 Nc4 19.Qc1 Nb2 20.Qb2 Be5 21.c3 Qc7 22.Nf3 Bc3-/+ 23.Rac1 Rac8 24.Qb3 Qa5 25.Qb7 Rc7 26.Qb3= Rec8 27.Rfd1 Rc4 28.g3 Bf6 29.Rb1 Qa4 30.Qa4= Ra4 31.Rd5 Ra2 32.Kg2 h6 33.Nd2 Rd8 34.Rd8 Bd8 35.Nc4 Ba5 36.Rb8 Kh7 37.Rf8 Kg6 38.Na5 Ra5 39.Ra8 f5 40.h4 Kh5 41.Ra7 g5=+ 42.hg5 hg5 43.Ra8 Kg6 44.Rc8 g4 45.Rc6 Kg5 46.Re6 ½–½. Norbeck,Ivar – Karlsson,Bertil, corr SSKK Sweden, 1985.

10.Qe1 Qd6 11.Qd1 a6 12.a4 Bg4 13.h3 Bf5 -/+.

10.Re1 Ne4 11.c3 Qf6 12.d3 (12.Qc2 c4 13.d3 cd3 14.Bd3 Qg6+=) 12...Nc3-/+ 13.Bc3 Bc3 14.Nc3 Qc3 15.Qa4 Qa5 16.Qf4 Be6 17.Ng5 h6 18.Nf3 Rad8 19.d4 c4 20.Reb1 b5 21.Ne1 Rc8 22.Qd6 Bf5 23.Rc1 (23.Rd1 Qd8 24.Qg3 a5-+) 23...Nd4! 24.Bc4 (24.ed4 Qd2 Double attack (24...Re2 Pinning; 24...Re2 Deflection; 24...Qd2 Decoy)) 24...Rc4 (24...bc4?! 25.ed4 Be4 26.Qb4-+; 24...dc4?! 25.Qd4 Qa4 26.Qc3-+) 25.Rc4 bc4 (25...dc4?! 26.Qd4 a6 27.a4-+) 26.Kf1 (26.h3 Qd2 27.Qb4 Nb3 28.Qd2 Nd2-+) 26...Qd2 27.Qd5 Bd3 28.Kg1 Bb1! 29.Rb1 (29.Rb1 Ne2 Double attack (29...Qa2 Decoy)) 29...Ne2 (29...Ne2 30.Kf1 Qd5 31.Ke2 c3-+) 0–1. Batres Bianchi,Luis Carlos – Vega Palma,Manuel dr, Grupo, 2001.

10.Re1 Ne4 11.c4 dc4 12.Bc4 Bg4 13.h3 Bh5 =+.

10.Re1 Bg4 11.Nc3=+ a6 12.Na4 c4 (better 12...Ne4 13.Nc3 Bc3 14.Bc3 d4-/+) 13.d3? (better 13.Nd4 Bc8 14.Rb1=+) 13...Be1-+ 14.Qe1 cd3 15.cd3 b5 (15...Rc8 16.h3 Bf3 17.Bf3-+) 16.Nc5-/+ Nd7 17.Qc3 f6 18.h3 Bh5 19.g4 (19.d4 Nc5 20.dc5 Na5-/+) 19...Bf7 20.Ng5?? (20.d4 Qe7 21.Rc1 Rec8-/+) 20...Nc5 (better 20...d4 21.Nf7 dc3 (worse 21...Kf7 22.Qb3 Kf8 23.Ne6 Re6 24.Qe6+-) 22.Nd8 cb2-+ (22...Nc5?! 23.Nc6 cb2 24.Rb1-+; 22...Nd8?! 23.Nd7 cb2 24.Rb1-+)) 21.Nf7 Kf7 22.Qc5 Rc8 23.Bf3 Ke6 24.Qc2 (24.e4!? Ne5 25.Qd5 Qd5 26.ed5 Kf7 27.Be4-+) 24...Ne5-+ 25.Qe2 Nf3 26.Qf3 g6 (26...Rc2 27.Rb1 h6 28.e4-+) 27.e4 (better 27.Bd4-+) 27...de4 (27...d4 28.Qd1 Qd6 29.Bc1-+) 28.Qe4 (28.de4!? Rc2 29.Rd1 Rb2 30.Rd8 Rd8 31.e5 fe5 32.Qc6 Rd6 33.Qc8 Kf7 34.Qc7 Ke6 35.Qh7=) 28...Kf7-+ 29.Qb7 Kg8 (29...Qc7!? 30.Qd5 Kf8 31.Bf6 Qc6-+) 30.Qa6=+ Re2 (30...Rc2 31.Bf6 Qd7 32.Rb1=+) 31.Bf6 (31.Rb1 Rc7 32.Qb5 g5=+) 31...Qf8 (31...Qd7!? 32.g5 Rec2-/+ (32...Qh3?! 33.Qa7 Qg4 34.Kf1 Qh3 35.Kg1=)) 32.Rf1= Ra8 33.Qb6 (33.Qb5 Ra3 (33...Qa3?? 34.Qd5 Kf8 35.Qf3+-) 34.Bd4 Qf7=) 33...Ra3=+ 34.g5 Rd3 35.Qb5 Rdd2 (35...Qd6 36.Qc4 Qd5 37.Qc8 Kf7 38.Qc7 Qd7 39.Qf4=+) 36.h4 (36.Ra1 Qe8 (36...Rf2?? 37.Qc4 Rd5 38.Qd5 Qf7 39.Ra8) 37.Qc4 Kf8 38.Qc5 Kg8 39.Qc4 Kf8 40.Qc5 Kg8 41.Qc4=) 36...h6 (36...Qe8 37.Qe8 Re8 38.Kg2=+) 37.Qb7 (better 37.Ra1 Qc8 38.Qb3 (38.gh6?? Qg4 39.Kh1 Qf3 40.Kg1 Qf2 41.Kh1 Qg2) 38...Kf8 39.Qb4 Kg8 40.gh6=) 37...Rc2?? (37...Qf7 38.Qb8 Re8 39.Qf4=+) 38.Qb6?? (better 38.Ra1 Rc8 39.Qd5 Qf7 40.Qf7 Kf7 41.Ra7 Ke6 42.Re7 Kf5 43.Re2 hg5 44.hg5+-) 38...hg5= 39.hg5 Qc8 0-1. Fettito (1810) - TryphoneGayvriel1800 (2080), lichess.org, 2020.

10.Ne1 Qd6 11.Nf3 Bg4 12.Nc3 Ne4 13.Nb5 Qd8 -/+.

10.Bf6 Qf6 11.c3 Bf5 12.Qa4 Bb6 13.d4 c4 =+.

10.Ng5 Bf5 11.Nf3 Qd6 12.Nh4 Bd7 13.Nf3 Bc7 -/+.

10.Kh1 Bf5 11.Nh4 Be6 12.Nf3 a6 13.Kg1 Qe7 -/+.

10.h3 Bc7 11.Re1 Bf5 12.d3 Qd6 13.Bf1 Rad8 14.Nbd2 h6 15.g3 g5 (15...b5!?=+) 16.Nb3 Nd7 17.e4? (Better is 17.Qd2!?=) 17...de4-/+ 18.Ne5?? (Better is 18.de4 Re4 19.Bg2-/+) 18…Nde5-+ (19.de4 Be4-+) 0–1. Grund,Karl – de Visser,Arno, corr (year?).

10.h3 Bf5 11.Nc3 d4 12.Na2 Be4 13.Nc1 de3 =+.

10.h4 Bf5 11.Nc3 d4 12.Na2 Qd6 13.Rb1 Be4 -/+.

10.Nh4 Qd6 11.Nf3 a6 12.d3 d4 13.Nbd2 b5 -/+.

11.Qb3 Rb8 12.a4 Ne4 13.h3 h6 14.Rd1 a6 15.Na3 Bf5.

11.Qb3 Bc7 12.Re1 (12.a4 Ne4 13.Bd3 Bg4 14.Be4 Re4 15.ed4 cd4) 12...Qd6 13.ed4 Nd4 14.Bd4 cd4 15.Qb4 Qd8.

11.Qb3 Qd6 12.Rc1 Bg4 13.h3 (13.Qb7?? Rab8 14.Qb5 Bc7-+) 13...Bh5 14.Ra2 (14.g4 Bg6-/+) 14...Bc7 15.g4 Ng4 (better is 15...Bg6!?-/+) 16.hg4= Bg4 17.Kf1 (better is 17.Re1+=) 17...Re6 (17...d3!? 18.Qd3 Qd3 19.Bd3 Bf3-/+) 18.Ng1 (better is 18.Ng5!? Be2 19.Ke2+/-) 18...Be2 19.Ke2 (19.Ne2 Qh2 20.Qb7 Rb8 21.Qc7 Qc7-+) 19...Qh2 20.Rf1 (20.Nf3 Qh5 21.Qb7=) 20...Rd8-/+ 21.Ke1 (21.Qb7 de3 22.Nf3 ed2 23.Kd1 Qh3 24.Nbd2 Qf1 25.Kc2 Qd3 26.Kc1 Bf4-+) 21...Ne5 22.Qb7? (22.f4 Rg6 23.fe5 Rg1 24.ed4 Qh4 25.Ke2 Qe4 26.Qe3 Rg2 27.Kd1 Qb1 28.Bc1 Qa2 29.Qf3 Qc4 30.Qg2 cd4 31.d3 Qd3 32.Bd2 Be5 33.Qf3 Qb1 34.Ke2 d3 35.Kf2-+) 22...Nd3-+ 23.Kd1 Nf2 (23...Rb6 24.Qa7 Nb2 25.Ke2 Qh5 26.Nf3 d3 27.Ke1 Qf3 28.Nc3 Nc4 29.Qb6 Bb6 30.Rg1-+) 24.Kc2 de3 25.Qf3 (25.Bc3 Qf4 26.de3 Qc4 27.Rf2 Qa2 28.Qb2-+) 25...Qh4 26.Rf2 (26.d4 cd4 27.Kc1-+) 26...ef2 27.Ne2 Qc4 28.Nbc3 Re2! (28...Re2 29.Qe2 Qe2 30.Ne2 f1Q-+) 0–1. Krasiewicz,Robert (2100) – Nguyen,Piotr (2265), ch–city Milanowek Poland, 2008.

11.Qb3 Bf5 12.Nh4 (12.a4 Qd7 13.Rd1 Bb4 14.Bd3 Bg4 15.Be2 Ne4) 12...Be6 13.Nf3 Qd7 14.a4 Bg4 15.h3 Bh5.

11.Qb3 Bg4 12.d3? (better is 12.Qb7 Qd6 13.Qb3+= Rab8 14.Qa2 Rb7 15.Bc1 Ne5; 12.h3 Bf5 13.Nh4 Bd7 14.Nf3 Qb6 15.Qb6 Bb6; 12.a4 Qd7 13.h3 Bh5 14.Qb5 Ne4 15.d3 a6) 12...de3-+ 13.Qd1 (13.fe3!? Re3 14.Ra2-+) 13...Qe7 14.fe3 (14.Kh1 Bf3 15.gf3 Qd6 16.fe3 Re3-+) 14...Qe3 15.Rf2 Bf3 16.Bf3 Be1 (16...Be1 17.Qe2 Qh6-+) 0–1. Labahn,Wolfgang – Jakubiec,Artur (2285), Beskidy–Open, 1991.

11.Qb3 g6 12.h3 (12.a4 Ne4 13.Bd3 Bf5 14.Na3 a6 15.Rad1 Qb6; 12.Bd3 Qd6 13.h3 Bd7 14.Rc1 Rab8 15.Re1 Ne5) 12...Ne4 13.d3 Nd6 14.e4 f5 15.Nbd2 fe4.

11.Qc2 Qd6 (11...h6 12.Re1 Be6 13.ed4 cd4 14.a4 Qd7 15.Na3 Bf5) 12.Re1 (12.Bd3 Bd7 13.Ng5 g6 14.Ne4 Ne4 15.Be4 Rad8; 12.h3 h6 13.Re1 de3 14.fe3 Ne4 15.Bd3 Qg6) 12...Bg4 13.h3 Bh5 14.Qb3 Bg6 15.ed4 cd4.

11.Qc2 Bg4 12.Re1 =+.

11.Qc2 g6 12.Bd3 Qd6 13.ed4 cd4 14.c5 Qf4 15.Bb5 Bc7 (15...Bh3 16.Qb3 (16.Qd3 Qg4 17.Nh4 Qh4 18.Qh3 Qh3 19.gh3 Rad8 20.Rc1 Rd5 21.Kf1 Ne4 22.Re1 Kf8; 16.gh3 Qf3 17.Qd3 Qd3 18.Bd3 Ne4 19.Rc1 Bd2 20.Nd2 Nd2 21.Rd1 Nb3 22.Rab1 Rad8) 16...Qg4 17.Ne1 (17.Nh4 Qh4 18.Qh3 Qh3 19.gh3 Rad8 20.Rc1 Rd5 21.Kf1 Ne4 22.Rc4 Nc5) 17...Re1 (17...Bc3 18.f3 Qg5 19.dc3 Re1 20.Qc2 Rae8 21.Qf2 Bg2 22.Qg2 Qc5) 18.Qh3 Rf1 19.Bf1 Qh3 20.gh3-+ Ne4 21.Bb5 Nc5 22.a4 Rd8) 16.d3 Bg4 17.Bc1 (17.Nbd2 Re2 18.Qc1 Nd5-/+ (18...Rd8 19.g3 Qh6) 19.h3 Bh3) 17...Qf5 18.Bc6 (18.Nbd2 Rad8-/+ (18...Nd5 19.Bc6 bc6) 19.h3 Bh3) 18...bc6 19.Nbd2 Qh5 (19...Nd5 20.Nd4 Qe5 21.g3 Qd4 22.Bb2-/+) 20.Qa4 Rac8 (better is 20...Nd5!? 21.Qc6 Rac8-+) 21.Qd4-/+ Re2?? (21...Re6 22.Bb2 Rd8+=) 22.Qf6+– Rd2 (22...Rb8 23.h3 Bf3 24.Nf3+– (24.gf3 Qh3 25.f4 Qg4 26.Kh1 Bf4 27.Qf4 Qf4-+; worse is 24.Qf3 Qe5 25.g3 Re1 26.Re1 Qe1 27.Kg2 Qe5+–)) 23.Bd2 Bf3 24.Bf4 (24.h4 Be5 25.Qf3 Qf3 26.gf3 Ba1 27.Ra1 f6+–) 24...Bf4 (24...Bd8 25.Qe5 Qg4 26.Bg3+–) 25.Qf4 Be2 (25...Bd5 26.Rfe1 Be6 27.Qd6+–) 26.Rfe1 Bd3 27.Re5 f5 28.Rae1 Rd8 29.Re8 Re8 30.Re8 Kf7 31.Re1 Be4 32.f3 g5 33.Qc7 (33.Qc7 Kf6 34.fe4+–) 1–0. Galoic,B (1965) – Tolic,M (2040), 14th Open, Bosnjaci CRO, 2009.

11.Qc2 g6 12.Bd3 Bg4 13.Ne1 Ne5 14.f3 Be6 15.a4 Nc6 16.Ba3 Bb4 17.Bb2 Bd7 18.ed4 cd4 19.Be4 Ne4 20.fe4 Qh4 21.Nf3 Qe4 22.d3 Qe3-+ 23.Kh1 Bf5 24.Rd1 Bg4 25.Nbd2 Bd2 26.Qd2 Bf3 27.Qe3 Re3 28.gf3 Rf3 (28...Rf3 29.Kg2 Re3-+) 0–1. Kreuzer,Uwe – Roes, Vergleichskampf, 1988.

12.d3? Bg4 13.Nbd2 Bc7 14.h3 Bh5 15.Nb3 The pressure on the isolated pawn grows 15...Bf3 16.Bf3 Qd6 17.g3 Bb6 18.a4 a5 19.Ba3 Nb4 (19...Qd7!?=) 20.Rc1 Nd7 21.Bb7 Rab8 22.Bg2 Nc5 23.Nc5 Bc5 24.Qh5 (24.Bb4 ab4 25.Qb3 Qe6+=) 24...g6 (24...Nd3 25.Rcd1 Ba3 26.Rd3=+) 25.Qg5 (25.Qf3 Nd3 26.Qd3 Ba3=) 25...Nd3=+ 26.Bc5 Qc5 27.Qc5 Nc5 28.Rcd1 d3 29.Bc6 Red8 (29...Re2 30.Kg2-/+) 30.Bb5=+ Rd4 31.Rd2 (31.Rfe1 Kg7=+) 31...Rbd8 (31...Ne4 32.Ra2-/+) 32.f3=+ Nb3 (32...f5 33.Re1=+) 33.Rb2= d2 34.Rd1 Rd3 35.Kf2 Rc3 36.Ke2?? (better 36.c5!?=) 36...Rd6 (36...Nd4!? 37.Kf2 Nf3 38.c5-+) 37.c5-/+ Re6 38.Kf2 Rc1 (38...Ree3 39.Be2 Nd4 40.Rbd2 Ne2 41.Re2 Rf3 42.Ke1 Rc5 43.Rd8 Kg7 44.Rd7-+) 39.Rdd2?? (better 39.Rbd2 Rc5 40.Rb2+=) 39...Nd2-+ 40.Rd2 Rc5 41.f4 Kg7 42.Kf3 Rc3 43.Kg4?? (better 43.Rd3 Rd3 44.Bd3-+) 43...Ree3 44.Rg2 f5 45.Kh4 h6 (45...Kh6!? 46.Rd2-+) 46.g4 (46.Bf1 Re4 47.Rb2-+) 46…Rh3 0-1. blitzbullet (2440) - Elfugitivo (2530), Rated Bullet game, lichess.org 2018.

12.d3? Bg4 13.Nbd2 Nh5 14.Ne4 Nf4 15.h3 Ne2 (better is 15...Bc8-+) 16.Qe2+= Bh5 17.g4 Bg6 18.Rad1 f5 19.gf5 Bh5 (19...Bf5?! 20.Kg2-/+) 20.Kg2?? (20.f6 gf6 21.Kh1-+) 20...Ne5 21.Nd4 Be2 22.Ne2 Nd3 23.f3 Re4 24.fe4 Qg5 25.Kh1 (25.Ng3 Nb2 26.Rd4 Rc8-+) 25...Nb2 26.Rd7 Qh4 (better is 26...Qe3 27.Nf4 Qe4 28.Ng2 Qc4 29.Rg1-+) 27.Nf4 Re8 28.Kg2 (28.e5 Nc4 29.e6 Bd2-+) 28...Re4 29.Ne6 Re2 30.Kf3 Qe4 0–1. combijack (1750) – dlafont (1700), gameknot.com, 2011.

12.d3? Bg4 13.h3 Bf5 14.Nh4 Bc8-/+.

12.d3? Nh5 13.g3? (13.Bc1=+) 13...Bg4?? (better 13...Bh3-+) 14.Nd4= Nd4 (14...Bh3 15.Nc6 bc6 16.Bh5 Bf1 17.Bc3 Bc3 18.Nc3 Bd3 19.Bf7 Kf7 20.Qf3 Kg8 21.Rd1-+) 15.Bg4+= Nf6 16.Bh3 Qd6 17.Bg2 Rad8 18.Nd2 (18.Kh1 b6=) 18...Bd2 (18...Bc3 19.Bc3 Ne2 20.Kh1 Nc3 21.Qb3 Qd3 22.Nf3=+) 19.Qd2 (19.Bd4!? Qd4 20.Qd2+=) 19...Nb3=+ 20.Qb4 Na1 21.Ba1 Qb4 (21...b6 22.Qd6 Rd6 23.d4=) 22.ab4= Rd3 23.Bb7 (better 23.Bf6!? gf6 24.Bb7=) 23...Rb8-/+ 24.Bf6 (24.Bg2!? Rb4 25.Bf6 gf6 26.Ra1-/+) 24...Rb7-+ (24...gf6?! 25.Bd5=) 25.Be5 Rb4 26.c5 Rc4 27.Bd6 a5 28.Ra1 a4 29.Kg2 (better 29.Kf1-+) 29...Rc2?? (29...a3 30.Ra2-+) 30.h4?? (better 30.Ra4 h5 31.Rf4=+) 30...a3-+ 31.Kh3 (31.h5 a2 32.h6 gh6-+) 31...Rf2 (31...a2 32.Kg4-+) 32.c6 Rc2 (32...Rd6?! 33.c7 Rc2 34.Ra3-/+) 33.Ra3 Ra3 34.Ba3 Rc6 35.Bb2 h5 36.Be5 Rc4 37.Bf4 f6 38.Kg2 Kf7 39.Be3 Ke6 40.Kf3 Kf5 41.Bf2 (41.Bd2-+) 41...Rc3 42.Kg2 Kg4 43.Be1 Re3 44.Kf1 (44.Bf2 Re2 45.Kg1 Rf2 46.Kf2-+) 44...Re1! 45.Ke1 Kg3 46.Kf1 Kh4 47.Kg2 Kg4 48.Kf2 g5 49.Kg2 h4 50.Kh2 h3 51.Kg1 f5 52.Kh1 f4 53.Kh2 Black now must not overlook the idea f3 53...f3 54.Kh1 (54.Kg1 Kf4 55.Kf1 Ke3 56.Ke1 f2 57.Kd1 f1Q 58.Kc2 Qd3 59.Kb2 h2 60.Ka2 h1Q 61.Kb2 Qhb1) 54...f2 55.Kh2 Kh4 56.Kh1 f1Q 57.Kh2 Qg2 0-1. BeepBeepImAJeep (2695) - doreality (2675), lichess.org, 2019.

12.Nd4?? Nd4-+ 13.Bd3 Bg4 14.Qa4 Nf3! 15.gf3 Qd3 16.fg4 Bc7 (16...Bd2?! 17.Bf6 gf6 18.Qd1=) 17.Qb4 (17.Nc3 Qh3 18.f4 Ng4 19.Rf2 Bf4 20.Qa7 Bh2 21.Kh1 Bb8 22.Kg1 Ba7 23.Ne4 Bf2 24.Nf2 Qg3 25.Kf1 Qf2) 17...Qh3 18.Qc3 (18.Qf8 Kf8 19.Be5 Be5 20.Rc1 Ng4 21.d4 Qh2 22.Kf1 Qf2) 18…Qh2 0–1. Neumann,Frank – Littke,Helmut (2245), Lechenicher SchachServer, 2011.

12.Re1 Bg4 13.Qb3? (better is 13.Ra2-/+) 13...Bf3-+ 14.Bf3 (14.Qf3 d3! 15.Bf6 Qf6 16.Qf6 Re2 17.Re2 de2 18.Nc3 gf6 19.Ne2-+) 14...Re1 0–1. Neumann,Frank (1610) – Figueredo Company,Juan Jose (2000), BdF, 2007.

13.Nbd2? Qe2 14.Qe2 Re2 15.Rab1 (15.Bd4 Rd2 16.Bf6 Rd3-+ (worse is 16...gf6 17.Nd2 Bd2 18.Rfd1-+)) 15...Bd2 16.Nd2 (16.Bd4 Nd4 17.Nd4 Re7-+) 16...Rd2 17.Rfd1 Rd1 18.Rd1 Bf5 19.h3 h5 20.f3 Re8 21.Kh2 (21.g4 Re2 22.Bd4 Nd4 23.gf5 Nf3 24.Kf1 Rh2-+) 21...Re2 22.Ba1 h4 23.a4 Nh5 24.c5 (24.Kh1 Bd3 25.c5 Nf4-+) 24...Ne5 25.Kg1 Bh3! 26.gh3 (26.gh3 Nf3 Mate attack) 26...Nf3 27.Kf1 Ng3 0–1. Neumann,Frank – Husemann,Andreas (2070), OP–2011–0-01669, 2011.

13.Bd4 Qe2 14.Bf6 Qd1 15.Rd1 gf6 16.Nbd2 Bf5 17.Nb3 Bc3 18.Ra2 Rad8 19.d4 Nd4! 20.Nbd4 (20.Nbd4 Bd4 Combination; 20.Rd4 Bd4 Combination; 20.Nfd4 Bd4 Combination) 20...Bd4 21.Rad2 Bb6 22.Rd8 Bd8 23.Nd4 Be6 24.Ne6 fe6 (24...Re6?! 25.Rd8 Kg7 26.Kf1=) 25.Kf1 Kf7 (25...Bb6 26.Rb1-+) 26.Ke2 (26.Rd7 Kg6 27.c5 Be7-+) 26...Ke7 27.Kd3 Kd6 28.f3 Bb6 29.g4 Ke5 30.h4 (30.Ke2 Re7-+) 30...Kf4 (better is 30...Rd8 31.Ke2 Rd1 32.Kd1-+) 31.Ke2 a5 (better is 31...Rd8 32.Rb1 Rc8 33.Rb4-+) 32.a4 (32.Rd7 Rd8 33.Rh7-+) 32...Bc5 0–1. Wilke,Hans_Peter (1655) – Genot,F (1820), Lichtenberger Sommer, 2015.

13.Bd4 Qe2 14.Bf6 gf6 15.Qb3 Bg4 16.Qb7 Bf3 17.gf3 Qf3 0–1. phildo (1870) – quoll (1830), gameknot.com, 2014.

13.Nd4 Nd4 14.Bd4 Qe2 15.Nc3 Bc3 16.Qe2 Re2 17.Bc3 -+.

13.Nd4 Nd4 14.Bd4 Qe2 15.Bf6 Qd1 16.Rd1 gf6 17.Nd2 Bd2 18.Rd2 Bf5 19.d4 Rac8 20.Rc1? (20.c5 Red8 21.Rad1 b6-+) 20...Red8?? (better is 20...Rc4! 21.Ra1-+) 21.f3 b6 (21...Be6 22.c5-+) 22.g4 Be6 23.Kf2 Rc4 24.Rcd1 Bd5 0–1. combijack (1840) – einstein205 (1735), gameknot.com, 2011.

13.Re1 Be1 14.Qe1 Qe2 15.Qe2 Re2 16.Nd4 (16.Nbd2 Bg4 17.Rb1-+) 16…Re1# 0–1. Neumann,Frank – Zimmermann,Matthias, 54. LSS No Engine Cup Preliminary, 2011.

13.Re1?? Be1 14.Ne1 Qe2 15.Qe2 (15.Nd2 Bf5 16.Rb1 Ng4 17.Qe2 Re2-+) 15...Re2 16.Kf1 (16.Bc3 Bf5 17.Nf3 Rae8-+) 16...Rb2 17.Nf3 (17.a4 Bf5 18.f3 Ne5-+) 17...Bf5 18.Kg1 Re8 19.h3 Bd3 (19...Ree2!? 20.Nbd2-+) 20.Nbd2 Be2 21.Kh2 Bf3 22.Nf3 Rf2 23.Kg3 Ree2 24.Rg1 Ne4 25.Kh2 Rf3 26.Kh1 Rff2 27.a4 (27.Kh2 Ne5 28.h4 Nf3 29.Kh3 Ng1 30.Kg4 h5 31.Kh5 Nf6 32.Kg5 Re5) 27...Ne5 28.a5 Nf3! (28...Nf3 29.gf3 Rh2#) 0–1. Neumann,Frank (1635) – Dressel,Robert (1715), remoteschach.de, 2009.

13.Ra2 Rc8 -/+.

13.Be2? d3-+ 14.Nd4 (14.Bd3 Qd3 15.h3-+) 14...de2 15.Ne2 Be2 16.Qb3 Bf1 17.Kf1 Qd6 (better is 17...Ne4!? 18.Qc2-+) 18.Bc3 (18.g3-+) 18…Qd3 (18...Qd3 19.Kg1 Re1) 0–1. Neumann,Frank (1650) – Tauscher,David (2380), RSX24E – Chaturanga–1, 2008.

13.h3 Bf3-+ 14.Qf3 Ne5 15.Qf4? (better is 15.Qe2 Rc8 16.Bc1-+) 15...Nd3 16.Qd4 Re4 17.Qd8 Bd8 18.Bc3 Rc4 19.Ra2 Ne4 20.f3 Bb6 21.Kh2 Bc7 (worse is 21...Nc3 22.dc3 Rd8 23.Rd1-+) 22.Kh1 (22.Kg1 Ng3 23.Rd1 Ne2 24.Kf1-+) 22...Ng3 23.Kg1 Bb6 24.Kh2 Nf1 25.Kh1 Re8 26.Ba1 Re1 (26...Re1 27.Bd4 Bd4 28.h4 Nf2 29.Kg1 Ne4 30.Kh1 Neg3#) 0–1. Neumann,Frank (1650) – Alf,Henning (2410), RSS7E schnell–17, 2007.

13.h3 Bh5 14.Re1 Re1 15.Qe1 Bf3 16.gf3 Qd6 0–1. phildo (1880) – jroland0723 (1755), gameknot.com, 2013.

13.h3 Bh5 14.g4+= Ng4 15.hg4 Bg4 16.Kg2 (better is 16.Ra2+=) 16...Ne5-+ 17.Bd4 (17.Be4-+) 17...Bf3 18.Qf3 Nf3 19.Kf3 Qd4 20.Nc3 Qd3 21.Kg2 Re6 22.c5 (22.Kg1 Rg6 23.Kh2 Qf3 24.Rfe1 Qg2#) 22...Rg6 23.Kh1 (23.Kh2 Qf3 24.Rfe1 Qg2#) 23…Qh3# 0–1. Neumann,Frank – Szczepankiewicz,Dariusz (2465), OP–2012–0-01999, 2012.

11.Nbd2 Qd6 12.c4 d4 13.e4 g5 14.g3 g4 15.Ne1 h5 16.f4 gf3 17.Nef3 (17.Bf3? h4 18.Rf2 hg3 19.hg3 Ne5-+; 17.Ndf3?! Bh3 18.Ng2 Ng4=+) 17...Bg4 (better 17...Ng4!? 18.e5 Qe7-/+) 18.Nh4 Ne5 19.Nf5 Qe6 20.Bg4 hg4 (worse 20...Neg4 21.Nb3 b6 22.a4+/-) 21.Qe2 Kh7 22.Rf2 Rg8 23.Raf1 Rg6 24.Nh4 Rh6 25.Bc1 Rg8 (25...Nfd7 26.Nb3 Rh5 27.Qd1=) 26.Nf5 (better 26.Nb3 Rh4 27.Rf6 Nf3 28.R1f3 gf3 29.Qf3+=) 26...Rhg6= 27.Nb3 Nf3 28.Rf3 gf3 29.Rf3 Ng4? (better 29...Nd7=) 30.Nh4?? (better 30.Nc5 Qc6 31.Nb3+-) 30...Rf6?? (better 30...Nh2 31.Rf7 Qf7 32.Qh5 Kg7 33.Qg6 Qg6 34.Ng6 Kg6 (34...Bg3?! 35.Ne7=) 35.Kh2 Kh5-+) 31.Nf5 (better 31.Nc5 Qc6 32.Rf6 Nf6 33.Qf2 Qc5 34.Qf6+/-) 31...Ne5?? (better 31...b6=) 32.Rf1 (better 32.Rf4 Rgg6 33.Rh4 Kg8 34.Nc5+-) 32...Rfg6?? (better 32...Rgg6 33.Nc5 Qb6 34.Qh5 Kg8 35.Ne7 Kg7 36.Rf6 Rf6 37.Nf5 Kg8+/-) 33.Qh5 Rh6 34.Bh6 (better 34.Nh6 Qg6 35.Qh3 Kg7 36.Ng8 Qe6 37.Qe6 fe6+-) 34...Qh6 (34...Qg6 35.Qh4 Qg4+-) 35.Qh6 1-0. puppyluvr420 (2535) - Kaldas90 (2500), Rated Bullet game, lichess.org, 2015.

11.Nbd2 Qd6 12.c4 d4 13.e4 Nh5 14.Re1 (14.g3 Nf6=+) 14...Nf4 15.Bf1 Qg6 16.Kh1 Bg4 17.Rb1 b6 (17...Qh5 18.Qc2-/+) 18.Ba1 (18.g3 Nh3 19.Kg2 Ng5-/+) 18...Re6 (better 18...Qh5 19.Qa4 Ne5 20.Ne5 Be5-/+ (20...Re5?! 21.f3=)) 19.e5?? (19.g3 Qh5 20.gf4 Bf4 21.Be2-+) 19...Rae8 (better 19...Ne5!? 20.Re5 Be5 21.h3-+) 20.Ne4 (20.Re4 Be5 21.Qa4 Qf6-+) 20...Ne5 (20...Qh5 21.Ned2-+) 21.Ne5 Re5 22.Qd2 Rh5 23.f3 (23.Ng3 Rd8 24.Re7-/+) 23...Bd7 (23...Rh2 24.Kg1 Bd7 25.g4 Rd2 26.Nd2-+) 24.Kg1?? (24.g4 Rh6 25.Ng3-+) 24...Qh6 (24...Rh2! 25.g4 Rd2 26.Nd2-+) 25.h3 (25.Qd1 Re4! 26.fe4 Rh2-+) 25...f5 (better 25...Re4 26.Qc2 Re1 27.Re1 Qg6-+) 26.Ng3 (26.Kh1 fe4 27.Re4 Re4 28.fe4 Bh3 29.gh3 Rh3 30.Bh3 Qh3 31.Qh2 Qf3 32.Kg1 Nh3 33.Qh3 Qh3 34.Rb2 Qg3 35.Kf1 Qd3 36.Kf2 Qe3 37.Kf1 Qa3 38.Kf2-+) 26...Nh3! 27.gh3 Qd2 28.Nh5 Qh2 0-1. Iskandre (2505) - AyMisho (2630), Rated Bullet game, lichess.org, 2021.

11.Nbd2 Bf5 12.Rb1 b6 (12...d4 13.Re1=+) 13.c4= dc4 14.Nc4 h6 15.e4 Bg4 16.Qc2 (16.Re1 Rc8=) 16...Qd7 (16...Bf3 17.Bf3 Nd4 18.Bd4 Qd4 19.e5=+) 17.Bc3 (17.Bf6 gf6 18.Qd2 Kg7=) 17...Qe7 18.h3 Bf3 19.Bf3 Rad8 20.Rfd1 Nd4 21.Bd4 Rd4 22.Qe2 Red8 23.Ne3 Qe5 (23...Qd6 24.g3 Rd3 25.Kg2 Rd1 26.Rd1-/+) 24.g3=+ g6 (24...Qe6 25.Bg2=+) 25.Ng2 (25.Bg2 Qd6=+) 25...h5 26.Nf4 Qe7 27.Kg2 Qd7 (27...Be5 28.Nd5 Nd5 29.ed5-/+) 28.Rb3 (better 28.e5!? Re8 29.e6=) 28...h4! 29.Qe3 (29.gh4 Bf4 Deflection) 29...hg3 30.fg3 Bf4 31.Qf4 c4 (31...Qe6 32.Rc3-/+) 32.Rc3 (32.Rbb1 c3 33.Rbc1 Rd3 34.Qf6 Rd2 35.Be2 Re2 36.Kf3 Rd2 37.Rd2 cd2-+) 32...Ne8?? (better 32...Nd5 33.ed5 Rf4 34.gf4 Qb5-/+) 33.Be2= b5 34.g4 (34.a4 A) 34...cd3? 35.Rcd3 Rd3 A1) 36.Bd3?! Qc7+= (36...ba4? 37.Bc4 Nd6 38.e5 Qc6 39.Bd5+/-); A2) 36.Rd3+-; B) 34...a6=) 34...Nc7 (better 34...Qe6 35.g5 cd3 36.Bd3 a5=+) 35.Rf1?? (better 35.Qf6=) 35...Nd5!-+ 36.Rcc1 (36.ed5 Qd6 Double attack (36...Rf4 Pinning; 36...Rf4 Deflection; 36...Qd6 Decoy)) 36...Nf4 37.Kg3 (37.Rf4 cd3 38.Bd1-+) 37...cd3 (37...Ne2 38.Kg2 Qd6 39.Rf3 Nc1 40.g5 Rd3 41.Rd3 Qd3 42.Kf2 Qe2 43.Kg3 Rd3 44.Kf4 Qe3 45.Ke5 Qg5) 38.Bf3 Ne2 39.Kf2 Nc1 40.Rc1 d2 41.Rd1 Qd6 42.Kg2 Qa3 (42...Qf4 43.e5 Rd3 44.h4 Qf3 45.Kg1 Qg4 46.Kf2 Rf3 47.Ke2 Qe4) 43.h4 Rc8 (43...Rd3 44.Kf2 Rf3 45.Kg2 Rg3 46.Kh2 Qf3 47.Rd2 Rd2) 44.h5-+ Rc1 45.hg6 Rd1 46.Bd1 (46.g5 Rg1! 47.Kf2 Rf1 48.Kf1 Qf3 49.Kg1 d1Q 50.Kh2 Rd2) 46...Re4 (46...Rd3 47.Kf2 Rg3 48.gf7 Kf7 49.Bb3 Qb3 50.Ke2 d1Q 51.Kf2 Qe3) 47.Kf2 (47.gf7 Kf7 48.Kf2 Re1 49.Be2 d1Q 50.Bd1 Qe3 51.Kg2 Rg1 52.Kh2 Qg3) 47…Re1 (47...Re1 48.Kg2 Rd1 49.gf7 Kf7 50.Kf2 Rg1 51.Ke2 d1Q 52.Kf2 Qaf3) 0-1. mark19116 (1730) - ViktorN (2320), Rated Blitz game, lichess.org, 2016.

11.Nbd2 Bf5 12.c4 dc4 13.Nc4 b5 14.Bf6 Qf6-/+ 15.Ncd2 Red8 16.Qb3 a6 17.Rfd1 Rac8 18.Rac1 Bd6 19.Nf1 Be6 20.Qc2 Na5 21.N1d2 c4 22.Ne4=+ Qe7 23.Nd6 Rd6 24.dc4 Rd1 25.Qd1 Bc4 26.Rc3 Rd8 27.Nd4 h6 28.Bc4 Nc4 29.Qc1 Qg5 30.h3 Rd6 31.Nf3 Qd8 32.Nd4= Qg5 33.a4 Rg6 34.g3 Nd6 35.ab5 Ne4 36.Rc8 Kh7 37.Ne2 ab5 38.Rb8 Qf5 39.Nf4 Rd6 40.Qb1 Ng3= 41.Qf5 Nf5 42.Rb5 Nh4 43.Rb7 g5=+ 44.Ne2 Kg6 45.Nd4= Ra6 46.Kh2 Ra1 47.Rb2 h5 48.Re2 f6 49.Nb3 Rb1 50.Nd4 Rc1 51.Rb2 Rd1 52.Re2 Ra1 53.f3 Rf1 54.Kg3 Rg1 55.Kh2 Rb1 56.Rf2 Re1 57.e4 Kf7 58.Rd2 Rf1 59.Kg3= Ng6 60.Kg2 Ra1 61.Nf5 Nf4 62.Kh2 Rf1 63.Nd4 Kg6 64.Kg3 Rh1-/+ 65.Kf2 Rh3 66.Ne2? Rh2 67.Ke3 Ne2 68.Re2 Re2 69.Ke2 f5 70.e5 f4 71.Kd3 Kf5 72.Kd4 Ke6 (72...Ke6-+) 0–1. Amor Alcaide,Manuel (2025) – Sabria Batlle,Pol (1950), Barbera del Valles op–B, 2007.

11.d4 c4 12.Nc3 a6-/+ 13.h3 Qd6 14.a4 Bf5 15.Ba3 Qd7 16.Nh4 Bh3 17.Nf3?? Bg2?? 18.Kg2= Qg4 19.Kh1 Qh3 20.Kg1-/+ Ng4 21.Nd5= Re6?? 22.Nf4 Bf4-+ 23.Bc4 Rh6 24.Bf7 Kh8 (24...Kh8 25.Bh5 Ne3 26.fe3 Qg3 27.Kh1 Rh5 28.Nh4 Rh4#) 0–1. Pommerel,Wim – Benedetto, CiF, 1993.

11.ed4 Qe7 12.Ne5 Nd4 13.Bd4 cd4 14.Nc4 Qe2 15.Na5 Qe5 16.Nb3 Ng4 17.g3 Qh5 18.h4 g5 19.N1d2 gh4 20.Nf3? (better is 20.Qf3-/+) 20...hg3-+ 21.fg3 b6 (better is 21...Qh3!? 22.Rf2 Ne3-+) 22.Nbd4 Bb7 23.Qd2 (23.Re1 Ne3 24.Qe2 Rad8-+) 23...Rad8-+ 24.c3 (better is 24.Rae1 Re1 25.Re1 Rd4 26.Qg5 Qg5 27.Ng5-+) 24...Re3 25.Rae1 Bf3 26.Rf3 (26.Nf3 Rdd3 27.Qg2-+) 26...Re1 27.Qe1 Qh2 28.Kf1 Qh1 0–1. cristero (2490) – pcmvr, net–chess.com, 2016.

11.ed4 Bg4 12.h3=+ Bh5 13.c4 cd4 14.Ra2 Qd6 15.a4 Rad8 16.Ba3 Qe6 17.Kh1 a6 18.Ng1 Bg6 19.Rb2 Qc8 (19...b6 20.Nf3-/+) 20.Rb3 h6 21.f4 Bf5 22.g4 Bd7 23.Bf3 Ne7 (23...b6 24.Rb2=+) 24.Rb2 Attacks the backward pawn on b7 (24.Rb7 Ng6 25.Ra7 Bc6 26.Bc6 Qc6 27.Qf3 Nd5 28.cd5 Qb6=+) 24...Ng6 (24...b6 25.Bg2=+) 25.g5= hg5 26.fg5 Nh7 (26...Bh3? 27.Nh3 (27.gf6?! Bf1 28.Qf1 Qf5=) 27...Qh3 28.Rh2+-) 27.Bb7 Qc7 28.Bd5 (28.Ba6?? Bc6 29.Nf3 Ng5-+) 28...Be6 29.Be6 Re6 30.Nd2 (30.Rg2 Nh4 31.g6 Ng6=+) 30...Re3 (30...Ng5 31.Qg4 Nh7 32.Ndf3=+) 31.Ndf3 Nf4 (31...Qc6!? 32.Qb3 Ng5-/+) 32.Rb3= Qc6 33.Bc1 Re7?? (better 33...Ng5 34.Be3 de3-/+) 34.Bf4+- Nf8 35.Rb8 Rb8 36.Bb8 Ng6 (36...Ng6 37.Bg3 Bc3+-; 36...Bc3 37.Kh2+-). Jan_Ek (2125) - Moissy (2135), internet, 2020.

11.e4 c4 12.a4 c3 (12...Qb6 13.Ba3+=) 13.Bc1+= Bc7 14.Na3 a6 15.Re1 (15.h3 Be6+=) 15...Nd7 (15...h6!?-/+) 16.Nc4= Nc5 17.a5 Ne6 18.Nb6 (18.e5!?=) 18...Bb6+= 19.ab6 a5 20.g3 Qb6 21.Nh4 Nc7 22.Bg4 Bg4 23.Qg4 Ne5 24.Qh3 Qe6 25.Qe6 Ne6 (25...fe6?! 26.Bf4 Nd3 27.cd3= (worse is 27.Bc7 Ne1 28.Re1 a4-/+)) 26.f4 Nd3 (26...Nc6 27.Nf5-/+) 27.cd3+= b5 Black prepares a4 (27...Nc5 28.Nf5 Nd3 29.Rd1+=) 28.Nf3 b4 29.Kf1 a4 30.f5 Nc5 31.Ke2 Nb3 32.Rb1 Red8 0–1. marekt (2125) – chuckhar (2340), gameknot.com, 2015.

11.e4 c4 12.c3 cd3 13.Bd3 Bg4 14.cd4 Nd4! 15.Nc3 (15.Bd4 Bf3 Decoy; 15.Nd4 Bd1 Pinning (15...Bd1 Deflection)) 15...Nf3-+ 16.gf3 Bh3 17.Re1 (better 17.Be2 Nd7 18.Kh1 Bf1 19.Qf1-+) 17...Nd5!! 18.Ne2 (18.Nd5 Qg5 Mate attack; 18.ed5 Qg5 Mate attack) 18…Nc3!! (18...Nc3 19.Bc3 Bc3-+) 0-1. Mely (2350) - nii_sama (2735), ChessWorld.net, 2016.

11.e4 c4 12.dc4 Ne4 13.Nbd2 Bd2 14.Nd2 Nc3 15.Bc3 dc3 16.Nb3 Qf6 17.Re1 Bf5 18.Bd3 Re1 19.Qe1 Bd3 20.cd3 Kf8 21.Qe4 Re8 22.Qh7 Re2 23.Qh8 Ke7 24.Rf1 Rb2 25.Nc1 a5 26.a4 Kd7 27.Qh7 Kc7 28.Qe4 Rb4 29.Qe3 Ra4 30.Qg3 Kc8 31.Qg4 Kb8 32.Qg3 Ka8 33.Qe3 c2 34.Qe1 Ra1 35.Qe3 a4 36.Qd2 Nd4 37.h3 Ka7 0-1. zuri9 (2240) - bachi_bouzouk (2535), gameknot.com, 2022.

11.e4 Bc7 12.Nbd2 b6 13.c3 dc3 14.Bc3 Nh5 15.g3 Nf6 16.Re1 Ng4 17.Nb3 a5 18.a4 Bb7 19.Qd2 Nb4 20.Nh4 Ne5 21.Red1 c4 22.dc4 Be4 23.Qe3 Nd7 24.Bg4 Bc6 25.Qc1 Re4 26.Bd7 Bd7 27.Nf5 Rc4 28.Rd7? Qd7-+ 29.Qg5 f6 30.Bf6 g6 31.Nh6 Kf8 32.Re1 Re8 33.Be7 Qe7 34.Re7 Re7 35.Qf6 Ke8 36.Kg2 Rc6 37.Qh4 Nd5 38.Ng8 Rd7 39.Nd4 Rcd6 40.Nb5 Re6 41.Qg4 Kf7 42.Nh6 Ke7 43.Nd4 Re1 44.Nf3 Re2 45.Kf1 Rb2 46.Ng5 Rb1 47.Kg2 Re1 48.Nh7 Rd6 49.Qf3 Ke8 50.Qf7 Kd8 51.Qg8 Ke7 52.Qg7 Ke8 53.Qh8 Kd7 54.Nf7 1–0. Boehnke,Hartmut – Milde,Lars, DESC VM2006 Vorrunde, 2006.

11.e4 Qd6 12.c3 Nd7 13.Qb3 Rb8 14.cd4 cd4 15.Rc1 Nde5 16.Qd5 Nf3 17.Bf3 Qf4 18.Bd1 Re5 19.g3 Rg5 20.Rc2 Be6 21.Kh1 Qf6 22.Qd6 Rc8 23.Qf4 Qg6 24.h4 Rb5 25.Nd2 Bc7 26.h5 Rh5 27.Bh5= Qh5 28.Qh4 Qe2 29.Kg1 Qd3 30.Rac1 Be5 31.Nc4 Bf6 32.Qf4 h6 33.Rd2 Qb3 34.Na5 Na5 35.Rc8 Bc8 36.Qc7 Bh3 (37.Qb8 Kh7-+). Fritz 6 – Fritz 8, 2004.

11.e4 Qd6 12.c3 Bg4 13.Nd4 Be2 14.Ne2 Rad8 15.f3 Bc7 16.g3 Qd3 17.Qd3 Rd3 18.Nc1 Rd7 19.c4 Na5 20.Bf6 gf6 21.Nc3 Nc4 22.N1e2 Red8 23.Kf2 Be5 24.Rac1 Na3 25.Ra1 Nc2 26.Ra2 Rd2 27.Rc1 Bd4 28.Kf1 Ne3 29.Ke1 Bc3 30.Nc3 Ng2 31.Kf1 Ra2 32.Na2 Rd2 33.Nc3 Ne3 34.Kg1 a5 35.Ra1 c4 36.Ra5 Rg2 37.Kh1 Rc2 38.Na2 b5 39.h4 Rb2 40.Kg1 Kg7 41.h5 Kh6 42.Ra3 Kh5 43.Nb4 Rb4 44.Re3 Rb3 45.Re1 Rf3 46.Rb1 Rb3 47.Rd1 c3 48.Kf2 b4 49.Rh1 Kg4 50.Rc1 Rb2 51.Ke3 c2 52.Kd2 b3 53.Kc3 Rb1 (53...Rb1 54.Rc2 bc2 55.Kc2 Kg3 56.Kb1 h5-+) 0–1. Schuelert,Peter – Warzecha,Helmut, BdF, 2000.

11.e4 Qd6 12.Nfd2 Bc7 13.f4 Qe7 14.a4 g6 15.Na3 a6 16.Nac4 b6 17.Bf3 Bf4? 18.e5!+– Ne5 19.Ba8 Bh2 20.Kh2 Nfg4=+ 21.Kg3 Qc7 22.Ne5 Re5 23.Qg4 Bg4 24.Kg4 Qc8 25.Kg3 Qa8 26.Kf2 Qe8 27.Ne4 Qe6 28.Rfe1 h6 29.a5 Qf5 30.Kg1-/+ Qe6 (better is 30...b5!?-/+) ½–½. Dluhosch,Thomas – Gatzenmeier, corr, 1989.

11.e4 Be6 12.c3 Rc8 13.Ng5 Qb6 =+.

11.Nbd2 Bc7 12.h3 Bh5 13.c4 dc4 14.Nc4 Bg6 15.a4 Qd7 (15...Nd5 16.d4 Qe7 17.dc5 Qc5 18.Rc1=) 16.Bf6+= gf6 17.a5 Rad8 18.Qb3 b6 (18...Be5!? 19.Rac1 Qe7+=) 19.ab6+/- ab6 20.Rfd1 (20.Nb6!? Qe6 21.Qe6 fe6 22.Na4+/-) 20...Rb8 (20...Nb4 21.Qc3=) 21.Ra6 Pawn b6, live or die! (21.d4!? cd4 22.Nd4 Nd4 23.Rd4+=) 21...b5 22.Ncd2 Nb4 d3 seems the pivot of the position 23.Raa1 (23.Ra3!?=) 23...Nd3=+ 24.Bd3 (24.Qc3 b4 25.Qb3 Red8=+) 24...Bd3 (24...Qd3 25.Qb2-/+) 25.Qc3 (25.Ne4 Re4 26.Rd3 Qc6=+) 25...c4 26.Qf6 Re6 27.Qg5 Rg6 28.Qh5 b4?? (better 28...Qe6-/+) 29.Nc4+/- Rb5 30.Rd3 (better 30.Nce5 Be5 31.Ne5+=) 30...Rg2?? (better 30...Qc6 31.Qh4 Qf3=+) 31.Kg2+- Qd3 (31...Qc6 32.Ra8! Kg7 33.Qg4 Qg6 34.Rb3+-) 32.Qb5 Qg6 (32...Kg7 33.Rg1 Qe4 34.Kh1 Kf6 35.Ncd2+-) 33.Kf1 (better 33.Kh1 Qe6 34.Rg1 Kh8+-) 33...Kg7 (33...Qd3 34.Kg1 Qd8 35.Qb4+-) 34.Qg5 (better 34.Ra7 Qd3 35.Ke1 Qd8+-) 34...Bh2 (34...Qg5 35.Ng5 Bd8 36.Ne4+-) 35.Qg6 hg6 36.Nh2 f6 37.Rb1 (37.Ra7 Kg8 38.Ng4 Kf8 39.Nf6 b3 40.Ne5 b2 41.Ng6) 37...Kh6 38.Rb4 f5 39.Rb5 (better 39.Ne5 Kg7+-) 39...Kh5 40.Nf3 g5 (40...Kh6 41.Rb7 g5 42.Nd6 Kg6 43.Rf7 g4 44.Ne5 Kg5 45.Nf5 gh3 46.f4 Kh5 47.Rh7) 41.Rf5 (41.Rb6 g4 42.Nce5 gh3 43.Nf7 f4 44.Nh2 fe3 45.Rh6) 41...Kh6 (41...Kg6 42.Rg5 Kf6 43.h4 Ke6 44.h5 Kf7 45.h6 Ke7 46.h7 Ke6 47.Nd4 Kf6 48.h8Q Kg5 49.f4 Kg4 50.Ne5 Kg3 51.Nf5) 42.Rg5 (42.Nd6 g4 43.hg4 Kg7 44.Ne8 Kh7 45.Ng5 Kg8 46.f4 Kh8 47.Rf8) 42...Kh7 43.e4 Kh6 44.e5 Kh7 45.e6 Kh6 46.e7 Kh7 47.e8Q Kh6 48.Qg6 1-0. Chess__Academy (2430) - zumpili (2375), Rated Bullet game, lichess.org, 2019.

11.Nbd2 Bc7 12.h3 Bh5 13.Re1 Qe7 14.Rc1 b5 15.Rb1 Rab8 16.Ba1 a5 17.Bf6 Qf6-/+ 18.d4 c4 19.c3 Bg6 20.Rb2 b4-+ 21.ab4 ab4 22.Qc1 bc3 23.Rb8-/+ Rb8 24.Qc3 Ba5 25.Qa3 h6 26.Rc1 Bb4 27.Qa6 Nd4!-+ 28.Qf6 Ne2 29.Kf1 Ng3! 30.fg3 gf6 31.Nb1 Bc5 32.Nc3 Be3 33.Rd1 Bd3 34.Ke1 Rb2 35.Nd5 Bf2# 0–1. Pommerel,Wim – Ruether,Rudolf, CiF Vergleichskampf, 1993.

11.Nbd2=+ Qd6 12.Rb1 Rab8 13.c4 Bc7 14.cd5 Nd5= 15.Qa4 Bh5 16.Qh4 Bg6 17.Ne4 Qf8 18.Rfc1 b6 19.Ng3 Rbd8 20.Qa4 Qd6 21.Nh4 Qe6 22.Ng6 hg6 23.Nf1+= Qd7 24.Bg4 f5 25.Bd1 Ne5 26.Qd7+/- Nd7 27.Bb3 N7f6 28.Bf6 gf6 29.e4! fe4 30.de4?? Re4= 31.Ne3 Re3 32.fe3 Kg7 33.Bd5+= Rd5 34.Rd1 Rd6 35.Rd6 Bd6 36.Rd1 Be7 37.Rd7 Kf7 38.Ra7 b5 39.Rb7 b4 40.ab4 cb4 41.Kf2 Ke6 42.Ke2 Bd6 43.h3 Kd5 44.Kd3 Kc5 45.h4 Bg3 46.Rg7 Bh4 47.Rg6 Kd5 48.Rh6 Bg5 49.Rh8 Kc5 50.g3 Kd5 51.Ra8 Bh6 52.Ra5 Ke6 53.g4 Kf7 54.Ke4 Kg6 55.Ra8 Bg5 56.Rg8 Kf7 57.Rb8 Kg6 58.Rb4 Bh4 59.Rb5 Bg5 60.Rb8 Bh4 61.Rg8 Kh7 62.Re8 Kg6 63.Kf4 Bg5 64.Kf3 Kf7 65.Rh8 Ke6 66.Ke4 Kf7 67.Kf5 Be3 68.Rh7 Kg8 69.Kg6 Bg5 70.Rg7 Kf8 71.Rf7 Kg8 72.Rf6 Bf6 73.Kf6 (73.Kf6 Kf8 74.g5 Kg8 75.Kg6 Kf8 76.Kh7 Kf7 77.g6 Kf6 78.g7 Kf5 79.g8Q Ke5 80.Qg5 Ke4 81.Qe7 Kd5 82.Kg6 Kc6 83.Qe6 Kb7 84.Qd6 Ka7 85.Qc6 Kb8 86.Kf5 Ka7 87.Ke4 Kb8 88.Kd5 Ka7 89.Qb5 Ka8 90.Kc6 Ka7 91.Qb7#) 1–0. Jeric,Simon – Potocnik,Primoz, Skofja Loka SLO, 1994.

11.Nbd2+= Qd6 12.h3 Bh5 13.Rb1 Rab8 14.Nh4 Be2 15.Qe2 Bc7 16.Nhf3 d4 17.Nc4 Qd5 18.a4 Nd7 19.e4 Qh5 (better is 19...Qe6=) 20.Nd4+/- Qe2 21.Ne2 Nde5 22.Ne3 b6 23.f4 Ng6 24.g3 f6 25.Nc3 Rbd8 (25...Bd6 26.Ncd5+–) 26.Ncd5 Bb8 27.Bf6! gf6 28.Nf6 Kg7 29.Ne8 Re8 30.Kg2 h5 31.e5 Nf8 32.g4 hg4 33.hg4 Ng6 34.Nf5 Kf7 35.Kf3 Nb4 36.Rh1 (better is 36.Ne3+–) 36...Rh8? (36...Kg8 37.d4 Nd5 38.dc5 bc5 39.Nh6 Kh8+–) 37.Rh8 Nh8 38.Rh1 Ng6 39.Rh7 Ke8 40.Rh6 Ne5 (40...Nf8+–) 41.fe5 Be5 42.Re6 (42.Re6 Kf8 43.Re5 Nc2 44.g5 Nd4 45.Kf4+–) 1–0. marekt – Carmo Vaz, internet, 2013.

11.Nbd2 Qd6 12.h3 Bh5 13.c4 Bc7 (13...d4 14.ed4 (14.e4 h6 15.Rb1 a6 16.Nb3 Bc7 17.g3 Bg6 18.a4 Nb4 19.e5) 14...cd4 15.Re1+= (15.Nb3 Bc3 16.Ra2 Bb2 17.Rb2 Qa3 18.Qd2 Qd6 19.Re1) 15...Re7 16.Qc2 Qf4 17.g3 Qd6 18.g4 Rae8 19.Bf1) 14.cd5 (14.Bf6!? Qf6 (14...gf6 15.cd5 Bf3 16.Nf3 Qd5 17.Rc1 Rab8 18.Qa4 b5 19.Qh4) 15.cd5+= Ne5 16.Ne4 Nf3 17.Bf3 Qe5 18.Ng3 Bf3 19.Qf3) 14...Nd5= 15.Nc4 (15.Rc1 b5 16.Qb3 Nf4 17.ef4 Re2 18.Rfe1 Re1 19.Re1) 15...Qe7 (15...Qd7 16.Rc1 Rad8 17.Ncd2 b6 18.d4 cd4 19.Nd4) 16.Re1 (16.Qb3 Rad8 17.a4 Ncb4 18.Rfe1 f6 19.Rac1) 16...Ba5 (16...b5!? 17.Ncd2 Rad8+= (17...Ba5 18.Qc2 Rad8 19.a4) 18.a4 b4 19.Qc2) 17.Na5+= Na5 18.Qc2 (18.Qa4 b6 19.Rac1) 18...Bg6 (18...Rad8 19.Rac1) 19.Ne5 (19.e4+/- 0.95) 19...Rac8 20.Qa4 Nc6 21.Ng6 hg6 22.Bf3 Qd7 23.Bg4 f5 24.Bf3 Nb6 25.Qb3 Qf7 26.Qc2 Qe7 27.Rac1 Ne5 28.Be5+– Qe5 29.Bb7 Rc7 30.Bf3 Rec8 31.Qb3 Kh7 32.e4 c4 33.dc4 Rc4 34.Rcd1 fe4 35.Qb1 Qc5? 36.Be4+– Qa3?? 37.Bg6 Kh8 38.Qf5 R4c5 39.Qf7 Qa4 40.Rd4! Rc1 41.Rde4 Qe4!-+ 42.Be4 Re1 43.Kh2 Re4 44.Qa7 Nc4 45.Qa6 Rd8 46.Qc6 Red4 47.Qg6 R8d5 48.Qe8 Kh7 49.Qf7 Nd6 50.Qe6 Ne4 51.f3 Nf6 52.Qb6 Rd2 53.Qb1 Kh6 54.Qc1 R5d3 55.Kg1 Nh5 56.Qc6 Rd6 57.Qe4 Rd1 58.Kh2 Rh1! 59.Kh1 Ng3 60.Kh2 Ne4 61.fe4 Kg5 62.Kg3 Rd3 63.Kf2 Kf4 64.e5 Rd2 65.Ke1 Rg2 66.e6 Kf3 67.Kf1 Re2 68.Kg1 Re6 69.h4 g6 70.h5 gh5 (70...gh5 71.Kh2 Re1 72.Kh3 Rh1; 70...Re1 71.Kh2 gh5 72.Kh3 Rh1) 0–1. Wiszniowski,Eugeniusz (1770) – Kurowski,Andrzej, I Zimowe granie w Hetmanie_A Poland, 2010.

11.Nbd2 Qd7 12.h3 (12.Bf6 gf6 13.Rb1 b6+=) 12...Bh5 (12...Bf3 13.Bf3 Bd2 14.Bf6=) 13.Ng5 (13.Bf6!? gf6 14.Rb1+=) 13...Be2=+ 14.Qe2 Rad8 (14...Qf5 15.Ngf3=+) 15.Ngf3 (15.Bf6 gf6 16.Ngf3 f5=) 15...Bc7 (15...d4 16.Nb3 Bb6 17.a4=+) 16.Rfe1 (16.Bf6!? gf6 17.Rab1+=) 16...Qd6 17.Nf1 Nd7 18.Ng3 Nde5 (18...Qe6 19.Ng5 Qg6 20.Qh5 Bg3 21.Qg6 Bf2 22.Kf2 hg6 23.Rab1-/+) 19.Rad1 (19.Ne5!? Ne5 20.f4+=) 19...Nf3 20.Qf3 Ne5 21.Qe2 Qg6 22.d4? (better 22.Qh5=+) 22...Nc4-+ 23.Ba1 (23.Bc1 Bg3 24.fg3 Qg3 25.dc5 Qc7-+) 23...Bg3 24.fg3 Qg3 (24...Re3 25.Qf2 Rg3 26.dc5-+) 25.Qf3 (25.Rd3-+) 25...Qf3 26.gf3 Ne3 27.Rd3? (27.Rd2 Nc4 28.Rde2 Re2 29.Re2 b6-+) 27...cd4 (better 27...Nc2 28.Re8 Re8-+) 28.Bd4 Nc2 29.Re8 Re8 30.Ba7 Rd8 (30...d4!? 31.Rd2 Na3 32.Bd4-+) 31.Bb6 Rd6 32.Bc5 Rd7 (32...Rg6 33.Kf2 Rg2 34.Kf1-/+) 33.a4 (33.Rc3!? Na1 34.Bd4-/+) 33...h5 (33...d4 34.Kf2-+) 34.a5 (34.Kf2 d4-+) 34...f6 (34...d4!? 35.Kf2 Rc7-+) 35.Rc3-/+ Ne1 (35...Na1 36.Bd4 Kf7 37.f4-/+) 36.Kf2 (better 36.Bf2 Nf3 37.Rf3=) 36...d4-/+ 37.Bd4 Rd4 38.Ke1 Ra4 (38...Rd5 39.Rc8 Kh7 40.Ra8-/+) 39.Rb3 (39.Rc5!?=+) 39...Ra5-+ 40.Rb7 Ra2 41.Rb3 Kh7 42.Kf1 Kg6 43.Rb4 Kg5 44.Rc4 (44.h4 Kf5-+) 44...f5 (better 44...Rh2!?-+) 45.h4-/+ Kf6 46.Rc6 Ke5 47.Rc5? (better 47.Rg6-+) 47...Kf4 48.Rc3 Kg3 49.Ke1 (49.Rc5 g6-+ (49...Kh4?! 50.Rf5 g6 51.Rf6-+)) 49...Kh4 50.Rc7 g5 51.Rf7 f4 52.Rg7 (52.Rh7-+) 52...g4 53.fg4 hg4 54.Rh7 Kg3 55.Rg7 f3 56.Rf7 Kg2 57.Rg7 g3 Black plans f2 (57...f2 58.Kd1 f1Q) 58.Rd7 (58.Rf7 f2 59.Kd1 Kg1 60.Rf3 g2 61.Re3 f1Q 62.Re1 Kf2 63.Rf1 gf1Q) 58...f2 59.Kd1 f1R (59...f1Q) 0-1. brucepeng (1920) - Poker_noob (2080), lichess.org, 2020.

11.h3 Bh5 12.Nbd2 Bc7 13.c4 Qd6 14.cd5 Nd5 15.Qb3 Nd4 16.Bd4 cd4 17.Nc4 Qd7 18.Qb7 Bh2 0–1. phildo (1835) – quoll (1780), gameknot.com, 2013.

11.h3 Bh5 12.Nbd2 Bc7 13.c4 Qd6 14.cd5 Bf3 15.Nf3 Nd5 16.Qb3 b6 17.d4 cd4 18.Nd4 Qh2 0–1. phildo (1815) – marcdeb (1895), gameknot.com, 2013.

11.Ra2 Ne4 -/+.

11.Bc3 Bc3 12.Nc3 a6 13.h3 b5 14.Ng5 h6 15.Nf3 Ra7 16.Qd2 Rae7 17.Rfe1 Bf5 18.Nh4 ½–½. Grobler,David – Wantoch_Rekowski,Jacek, corr or01–019, 2002.

11.Bc3 Ne4 12.Ba5 Qa5 13.Nfd2 Nd2 14.Nd2=+ Bf5 15.Nf3 Qc3 16.Ra2 b5 17.Qe1 Qe1 18.Re1 b4 19.Nh4 b3-/+ 20.cb3 cb3 21.Rb2 Bc2 22.Nf3 Rab8 23.Rc1= Rb6 24.Ne1 Nd4 25.Bf1 Ne6 26.Nc2 Rc8 27.g3 f5 28.h4 Kf7 29.Bh3 g6 30.Bg2 d4 31.ed4 Nd4 32.Nd4 Rc1 33.Kh2 Ra1 34.Rb3 Rb3 35.Bd5 Kf6 36.Bb3 Ra3-/+ 37.Bg8 Rd3 38.Nc6=+ Ra3 39.Kg2 (39.Bh7? Kg7 40.Bg6 Kg6-+) ½–½. Rosner,Dirk – Baermann,Joachim, CiF, 2001.

11.Nc3 a6 12.Na4 Ne4 13.Ne5? Ne5-+ 14.de5 c3 15.Bc1 b5 (15...Re5 16.Qd4 Qc7 17.f4-+) 16.Nc3? (16.f3 Nd2 17.Bd2 cd2 18.Nc5 Re5 19.Nd3-+) 16...Bc3 17.Rb1 Be5 (better is 17...Re5 18.Bd3 Qa5-+) 18.f3 (18.Bb2-+) 18...Nc3 19.Qd3 Nb1 20.f4 Bf6 21.Bf3 Bb7 (21...Nc3 22.g4 Ne4 23.g5-+) 22.Kf2 Nc3 23.Bb2 Ne4 24.Be4 de4 25.Qd8 Red8 26.Bf6 gf6 27.g4 Rac8 28.Rc1 Rd2 29.Kg3 Rcc2 30.Rh1 Rg2 31.Kh3 f5! 32.gf5 Bc8 33.Kh4 Bf5 34.h3 Rc6 (34...Rc6 35.Kh5 Kg7 36.Rd1 Rh6#) 0–1. Neumann,Frank (1635) – Weber,Bernd (2120), RSS5E NoEngine–102, 2010.

11.Nc3 Bc3 12.Bc3 Ne4 13.Qe1 Bg4 14.Rb1 b6 15.Bb2 Re6 16.h3 Bh5 17.a4 Qe7 18.Ra1 Re8 19.Ba3 Qd8 20.c3 f5 21.Ra2 f4 (21...Rg6 22.Kh1-/+) 22.Bd1 (22.ef4 Nc3 23.Qc3 Re2 24.Re2 Re2+=) 22...fe3 23.fe3 Rf6 24.g4 Bg6 25.h4 White intends g5 (25.Rg2 h6-/+) 25...h5 26.g5 Rfe6 27.Bc2 Qc7 28.Kg2 (28.Rb2 Qg3 29.Qg3 Ng3 30.Bg6 Rg6-+) 28...Bf5 29.Bc1 (29.Rb2 g6 30.Bb4 a5-+) 29...g6 (29...R6e7 30.Ng1 Qd7 31.Rf4-+) 30.Ng1-/+ Bg4 31.Nh3 Bh3 32.Kh3 Ne7 33.Rf3 Nf5 34.Ra1 (34.Kg2 Rf8-/+) 34...Kg7 35.Kg2 Qe7 (35...R6e7 36.Rf4-/+) 36.a5 (36.Ba3 Qd8 37.Bc1 Qd7-/+) 36...b5 37.a6 (37.Ba3 Qc7 38.Kg1 Kg8-+ (38...Qa5?? 39.Bf8 Rf8 40.Ra5+–)) 37...Qc7 38.Rf4 Kh7 39.Bb1 Rb6 40.Be4 Re4 41.Re4 de4 42.Qf2 (42.Bb2 Qc6-+) 42...b4 43.cb4 Rb4 44.Qe1 (better is 44.Kf1-+) 44...c3 45.Ra2 0–1. zunsurfer (2065) – terrier (2100), gameknot.com, 2014.

11.Nc3 Qd6 12.Nb5 Qe7 13.a4 Ne4-/+ 14.Ba3 Qf6-+ 15.Bb2 a6 16.Na3 Nc3 17.Bc3 Bc3 18.Rb1 h6 19.Qc1 Qe7 20.Rd1-+ Nb4 21.Nc4 dc4 22.Bc4 Qc7-+ 23.Bd3 Be6 24.Qa3 a5 25.Ne5 f6 26.Nf3 Nd5 27.Bg6 Bb4 28.Qd3 Rec8 29.Rb2 Nc3 30.Ra1 Bc4 31.Qf5 Ne2 32.Kh1 Bc3 33.Rab1 Bb2 34.Rb2 Nc3 35.Nd2 Na4 36.Rb1 Nc3 37.Ra1 Bd5 38.e4 Bf7 39.Bf7 Qf7 40.Ra5 g6 41.Qh3 Ne4! 42.Qa3 Ra5 43.Qa5 b6 (44.Qb6 Nd2-+) 0–1. Rosner,Dirk – Luzuriaga,Norberto Horacio, corr or01–006 E–mail, 2001.

11.Nc3 Ne4 12.Ne4 de4 13.Ne1 c3 14.Bc1 Bc7 15.Rb1 Qd6 16.g3 Rb8 17.f3 Bf5 18.fe4 Be4 19.Bf3 Qd5 20.Be4= Qe4 21.Rb3 Bb6 22.Nd3 Bd4 23.ed4+= Nd4 24.Bf4 Ne2 25.Kf2= Qd4 26.Kg2 Qd5 27.Rf3 Rbc8=+ 28.Nf2 Nd4 29.Rb4 Red8 30.Rd4 Qd4 31.Rd3 Qb6 32.Ne4 Rd3 33.Qd3 Qc6 34.Qf3 Qg6 35.Qe2 Qc6 36.Qf3 h6 37.h3 Qg6 38.Nf2 Qc2 39.Qb7 Qf5 40.Qa7 c2 41.Bc1 Qd5 42.Kh2 Re8 43.Qa4 Re2 44.Qf4 Re1 45.a4 Qe5 46.Qe5 Re5 47.Nd3 Rd5 48.Nb4 Rd4 49.Na2 Ra4 50.Nc3 Rc4 51.Na2 f5 52.Kg2 h5 53.h4 Kf7 54.Be3 Ke6 55.Kf3 Kd5 56.Nc1 Re4 57.Ke2 g5 58.hg5 h4 59.gh4 f4 60.g6 Re3 61.Kd2 Rh3 62.Ne2 Rh2 63.g7 Rg2 64.g8Q Rg8 65.Nf4 Ke4 66.Ne6 Rc8 67.Ng5 Kd5 68.Kc1 Kd4 69.Nh3 Kc3 70.Nf2 Re8 71.Nd1 cd1Q 72.Kd1-+ Rh8 73.Ke2 Rh4 74.Ke3 Rd4 (75.Kf2 Kd3 76.Kf3 Kd2 77.Kg2 Ke3 78.Kg3 Rc4 79.Kg2 Rg4 80.Kh3 Kf3 81.Kh2 Rh4 82.Kg1 Rh3 83.Kf1 Rh1#) 0–1. Rosner,Dirk (2180) – Wurschner,Miroslav (2120), IECG, 2000.

11.Nc3 Ne4 12.Ne4 de4 13.Ne1 Qd5 14.f3 A) 14...Be6 15.fe4 Qe4 16.Bc1 Bd5 17.Bf3 Qe6 18.Rb1 Re7=+; B) 14...b5 15.a4 b4 16.fe4 Qe4 17.Bc4 Be6 18.Qd3 Bc4=; C) 14...Bf5 15.Rf2 Rad8 16.a4 b6 17.fe4 Be4 18.Nf3 c3-/+.

11.Nc3 Ne4-/+ 12.Ne4 de4 13.Ne1 Be6 14.g3 Qd6 15.Ng2 b5 16.Nf4 Bd7 17.c3 Ne7 18.a4=+ a6 19.Ba3 Qf6 20.Qc2 Bc6 21.Rfd1 Nd5 22.Nd5 Bd5 23.Bc5 Bc7 24.Ra3 Qe6 25.ab5 ab5 26.Ra8 Ra8 27.Bh5 h6 28.Qb2=+ ½–½. Gretencord,Ulrich (2015) – Glaubitz,Friedhelm (2395), remoteschach.de, 2003.

11.Nc3 Qe7 12.a4 a6 13.Rb1 Rb8 14.Qc1 b5 15.ab5=+ ab5 16.Ne5 Qd6 17.Qd1 Bc7 18.f4 Ne7 19.Bf3 b4 20.Na4 c3 21.Bc1=+ Ne4 22.Nd3 Nc6 23.Nac5 Qh6 24.Ra1 Bd6-/+ 25.Nb3 Ne7 26.Ra7 f5 27.Ne5 Rd8 28.Qe2 Rb6 29.Be4 fe4-/+ 30.Ra8 Nc6 31.Nc5 Nb8 32.Rf2 Rf8-/+ 33.g3 Qf6 34.Na4 Ba6 35.Qh5 Rb7 36.Nc5 Bc5 37.dc5 Bb5 38.Qg4 Qe7 39.Ra5 Re8 40.Qh5 Rc8 41.Ng4 Qd8 42.Rb5 Rb5 43.f5 Nd7 44.f6 Nf6 45.Nf6 gf6 46.Rf6 Qf6 47.Qg4 Kf7 48.Qd7 Qe7 49.Qf5 Kg7 50.Qg4 Kf8 51.Qf5 Qf7 52.Qc8 Qe8 53.Qf5-/+ Ke7 54.Qd5 Qg6 55.Qc4 Qc6 56.Kg2 Rb8 57.Qd4-/+ Ke6 58.h4 Qd5-+ 59.Qg7 Qf5 60.Qc7 Rf8 61.Qd6 Kf7 62.h5? Kg8 63.Qf4 h6! (64.c6 Qe6-+ (64...Qh5?! 65.Qe4 Qe2 66.Kh3-+)) 0–1. "lasker" (2195) – Renzo (2250), internet, 2007.

11.Nc3 Bf5 12.Rb1 Qe7 13.Qc1 a6 14.a4 h6 15.Ba3 (15.Rd1 Rad8-/+) 15...Qe6 16.Na2 (16.Qb2 Rab8-/+) 16...Rab8 17.Nb4 Ne4 18.Qb2 (18.Rb2 Nc3 19.Qe1 Na4-+) 18...b5 19.Qa1 (19.Nc6 Qc6 20.Bb4 ba4-+) 19...Na7 (better 19...Bb4 20.Bb4 ba4-+) 20.c3? (better 20.Nh4 ba4 21.Nf5 Qf5 22.h3-+) 20...ba4 21.Bd1 (21.Ne5 Nd2 22.Rbe1-+) 21...Nc3! 22.Qc3 Nb5 (22...Nb5 23.Qc1 Bb1-+) 0–1. UncleBulgaria (2440) – emmasdad (2420), ChessWorld.net, 2014.

11.Nc3 Bf5 12.Rb1 h6=+.

11.Nc3 Bf5 12.Nh4 Be6-/+ 13.Nf3 Ne4 14.Ne4 de4 15.Ne1 c3 (15...Qd6 16.c3-/+) 16.Bc1 Bc7 (16...Qd6 17.Rb1-/+) 17.f3 Qd6 (17...f5 18.fe4 fe4 19.Rb1=+) 18.g3 Bd5 (18...Bh3 19.Rf2=) 19.fe4 Be4 20.Nd3 Bb6 (20...Rad8 21.Nc5 Bc2 22.Qc2 Nd4 23.ed4 Qd4 24.Kh1 Qc5 25.Rb1=) 21.Bf3 Rad8 (21...Qd5 22.Nf4 Qc4 23.Be4 Re4 24.Rb1=) 22.Be4 Re4 23.Rb1 Re7 24.Rb3 (24.Nf4 Bd4 25.ed4 Nd4=) 24...Qd5 25.Qg4 (25.h4 Bd4 26.ed4 Nd4-/+) 25...Nd4-/+ 26.ed4? (better is 26.Rb6 Re4 27.Nf4 ab6 28.ed4 Qd4 29.Kg2=+) 26...Bd4-+ 27.Nf2 h5 28.Qf4 Re2 29.Rb4 Bc5 (29...Rc2?! 30.Be3 Be3 31.Qe3=) 30.Rc4 Rf2 31.Rf2 Qd1 32.Kg2 Bf2 33.Kf2 Qc2 34.Kf3 Rd1 35.Rc8 Kh7 36.Qe4 Qe4 37.Ke4 Rc1 38.Rc7 Kg6 39.Kd4 a5 40.Kd3 b5 41.Rb7 c2 42.Rc7 Ra1 43.Kc2 Ra3 44.Rc5 b4 45.Kb2 f5 46.Rc6 Kg5 47.Rc7 g6 48.Rc6 Re3 49.Ra6 Re2 (50.Kb3 Rh2 51.Ra5 Rh3-+) 0–1. Rosner,Dirk – Schwertel,Gottfried, corr SOK–99–F003, 2000.

11.Ne5 Ne4 =+.

11.Ne5 Qe7 12.Nc6=+ bc6 13.Bc3 Bc7 14.Bb4 Qe4 15.Nd2 Qg6 16.Bf3 a5 17.Bc3 Qh6 18.g3 Re3! 19.fe3 Qe3 20.Kg2 Qc3-+ 21.Ra2 Bb6 22.Nb1 Qd4 23.Qd4 Bd4 24.c3 Bc5 25.Bd1 Ng4 26.Bg4 Bg4 27.h3 Bh5 28.Nd2 Bg6 29.Re1 a4 30.Kh2 Rb8 31.h4 h6 32.Kg2 Rb3 33.Re8 Kh7 34.Nb3 cb3 35.Rae2 Bd3 36.Re1 Ba3 37.Ra8 Bb2 38.c4 a3 39.cd5 cd5 (40.Rd1 Be4 41.Kf2 a2-+) 0–1. Walther,Manfred – Haubrich,Norbert, 2006.

12.Bb2 Bf5 13.Nc3 a6 14.a4 Rb8 15.Ba3 b5 16.ab5 ab5 17.Bc5 Ba5 18.Nb1 Ne4 19.Qc1 (19.Ba3 b4 20.Bc1 Bc7-/+) 19...b4 20.Rd1 Qf6 21.Nbd2 b3 22.cb3 cb3 23.Ba3 Rec8 24.Qb2 (24.Bb2 Bd2 25.Rd2 Nb4-+) 24...Nc3 25.Nb3 Ne2 26.Qe2 Rb3 27.Bc5 Rcb8 28.Rdc1 Bg4 29.Qd1 Qg6 30.Nh4 Qe6 31.Nf3 Rb2 32.Ba3 Rd2! 33.Qf1 Bf3 34.gf3 h5 35.Kh1 Rb3 0–1. Malmstroem,Jan (1940) – Deschamp,Guy (2370), IECG, 2006.

12.Nbd2 Rb8 13.g3 Qd7 14.Re1 b5 15.Rb1 Qf5 16.Nh4 Qe6 17.Bf3 a5 (17...g5 18.Ng2 Qf5 19.h4-/+) 18.e4+= b4 (worse is 18...de4 19.Ne4 Rd8 20.Re2+=) 19.ab4 ab4 20.Ba1 c3 (20...de4 21.Ne4 Re7 22.d5 Nd5 23.Nc5 Qe1 24.Qe1 Re1 25.Re1+/-) 21.Nb3 de4 (worse is 21...Ne4 22.Be4 de4 23.d5=) 22.Nc5?? (better is 22.d5 Qd5 23.Qd5 Nd5 24.Be4+=) 22…Qd5-+ (22...Qd5 23.Be2 Nd4-+) 0–1. Langschmidt,Dirk (2015) – Gaertner,Gerhard (2050), RSS7E–66 remoteschach.de, 2007.

12.Nbd2 Ne4 13.Ne4 de4 =+.

12.Nbd2 Bf5 13.a4 Qd7 14.a5 b5 15.ab6 ab6 16.Ra8 Ra8 17.Ne5 Ne5 18.de5 Ne4 19.Ne4 Be4 20.Bd4 (20.Bg4 Qc6 21.f3 Bg6=+) 20...b5 21.c3 Ra2 22.Bf3 Qf5 (22...Bd3!? 23.Re1 Qf5 24.Bd5 Qf2 (24...Rf2? 25.e4 Rg2 26.Kg2 Qg5 27.Kh1+-; 24...Be5?! 25.Be5 Qe5 26.Qg4=) 25.Kh1 Qh4=+) 23.Be4= Qe4 (23...de4 24.Qb1 Ra5 25.Qb4=) 24.Qh5 (better 24.Qb1 Ra5 25.Qb4+=) 24...g6?? (better 24...h6=+) 25.Qg5+/- Qf5? (better 25...Ra8 26.Qe7 Rc8+-) 26.Qe7+- Ra7 (26...Qc8 27.e6! Qe6 28.Qc7 Ra8+-) 27.Qe8 Kg7 28.e6 f6 (28...Kh6 29.Qf8 Kh5+-) 29.e7 Qe6 30.Qf8 1-0. BeepBeepImAJeep (2720) - doreality (2555), lichess.org, 2019.

12.Nbd2 Bf5 13.Rb1 Rb8 14.a4 Qd6 15.Qc1 a6 16.Ne5 b5 17.ab5 ab5 18.Ndf3 Ne4 19.Be1 Ne5 20.Ne5 b4 21.f3 Nc3 22.Bc3 bc3 23.f4 f6 24.Bg4 Rb1 25.Qb1 Be4 26.Qa1? fe5-+ 27.Bh5 Rb8 28.fe5 Qh6 29.Bf7 Kh8 30.Qe1 Bd8 31.Qc3 Bg5 32.Re1 Ra8 33.Re2 Bh4 34.e6 Qg5 (35.Kf1 Rb8-+) 0–1. Rosner,Dirk – Benassi,Aspasio, 10 years LSV M/V, 1999.

12.Be1 Qd6-/+ 13.Nc3 a6 14.Kh1 b5 15.Rg1 Bg4-+ 16.g3 Qe7 17.Bf1 Qd7 18.Bg2 Rad8 19.Qc1 Qe6 20.Ne2 Ne4 21.Rf1 Bh3 22.Nfg1 Bg2-+ 23.Kg2 Qf6 24.f3 Nd6 25.g4 c3! 26.Bf2 Nc4 27.Ng3 Bg3-+ 28.hg3 b4 29.ab4 Nb4 30.Re1 Qg6 31.Re2 Nd2 32.Ra3 Rc8 33.Nh3? Nf3 (34.Ng1 Nd2-+; 33...Nc2?! 34.Nf4 Qd6 35.Ra4-+) 0–1. Haznedaroglu,Kivanc (2290) – Vegjeleki,Adolf (2145), corr WSTT/3/06/Semifinal, 2008.

10.Be2 Qe7 11.c4 d4 (better is 11...Rad8-/+) 12.ed4?? (better is 12.Nd4 cd4 13.Bg4 Ng4 14.Qg4+=) 12...Qe2-+ 13.Qe2 Re2 14.dc5 (14.a3 Ba5 15.d5 Bf3 16.Bf6 gf6 17.gf3 Ne5-+) 14...Ne4 (14...Bc5?! 15.Bf6 gf6 16.Nc3-+) 15.a3 Ba5 (15...Nd2?! 16.ab4 Nf1 17.Bc3 Bf3 18.gf3 Nh2 19.Kh2 Rf2 20.Kg3-+) 16.h3 Bf3 17.gf3 Nc5 18.Nc3 Rd2 19.Nd1 Rad8 20.Bc3 Bc3 21.Nc3 Ne5 22.Nb5 Nf3 23.Kg2 R8d3 24.Na7 Ne6 25.Nb5 Nf4 (better is 25...Nh4 26.Kg1 Rh3 27.Rfe1 Nf3 28.Kf1 Ne1 29.Re1 Rh1 30.Kg2 Re1 31.Nc3-+) 26.Kh1 Ne5 27.a4 Rh3 28.Kg1 Nf3# 0–1. Neumann,Frank (1650) – Kapfenstein,Armin (1720), RSL – Einzelliga–Qualif., 2008.

10.h3 Bh5 11.g4 Bg6 12.Nh4 a6 13.Bc6 bc6 14.f4 Ne4 15.Ng6 fg6 16.d3 Nd6 17.Rf3 Ra7 (17...c4 18.a3 (18.Bd4 Qa5 19.a3) 18...Bc5 19.Be5=+; 17...g5 18.f5 c4 19.f6) 18.a3 Ba5 19.Nc3 (19.Be5=+) 19...g5 (19...Rae7 20.Qc1=+) 20.f5 Rae7 (20...d4 21.Na4 de3 22.Qe2=) 21.Qe2 (21.Qc1 d4 22.Nd1 de3 23.Ne3 c4-/+) 21...Bc3-/+ 22.Bc3 Nb5 23.Qd2 (23.Bb2 Nd4! 24.Bd4 cd4-/+) 23...Nd4! 24.Bd4 (24.ed4 Re2) 24...cd4 25.Re1 c5 (25...Qb6 26.e4 de4 27.de4 Re4 28.Re4 Re4 29.Rb3-/+) 26.c4 (26.Qc1 Qa5-/+) 26...dc4 27.Qa2 Qd5 28.e4 (28.Qc4 Qc4 29.dc4 de3-/+) 28...Qf7 29.Qc4 Qc4 30.dc4 Re4 31.Re4 Re4 32.Rb3 Re3 (32...Re1 33.Kf2 Rc1 34.Rb8 Kf7 35.Rb7 Kf6 36.Rb6 Ke5 37.Ra6 Rc4-+) 33.Rb8? (better 33.Re3 de3 34.Kg2=) 33...Kf7-+ 34.Kg2 (34.Rb7 Kf6 35.Rb6 Ke5 36.Ra6 Rh3-+) 34...Rc3 (34...Ra3 35.Rb7 Kf6 36.Rc7-+) 35.Ra8 (35.Rb7 Kf6 36.Rb6 Ke5 37.Ra6 Rc4-+) 35...Rc4 (35...Ra3 36.Rc8-+) 36.Ra6 (36.Ra7 Kf6 37.Ra6 Ke5-+) 36...Rc2 (36...Rc1 37.a4-+) 37.Kf1 (37.Kf3 c4-/+) 37...c4 38.Ke1 (38.Ra7 Kf6-+) 38...c3 (38...Rh2 39.Rd6 c3 40.Kd1 Rd2 41.Kc1-+) 39.Kd1 Rd2 40.Kc1 Ke7 (40...Rd3 41.Rd6-+) 41.Rb6 (41.Rc6 Kd7 42.Rc4 Kd6-+) 41...Ra2 (41...d3 42.Rc6 Rc2 43.Kd1-+) 42.Re6 Kd7 43.Re4 Rd2 44.Re6 d3 (44...d3 45.Re4 Kd6-+) 0–1. Taulien,Hans_Juergen (2350) – Glaubitz,Friedhelm (2420), RST4–6D–1 remoteschach.de, 2004.

10.h3 Bh5 11.g4 Bg6 12.Nh4 a6 13.Be2 Ba5 14.Ng6 (14.a4 Ne4 15.Ng6 fg6 16.Bf3 Ne5 17.Be5 Re5 18.d3 Ng5 19.Bg2; 14.a3 Ne4 15.Ng6 fg6 16.d3 Ng5 17.Kg2 Qd6 18.Qc1 Ne6 19.Qd1; 14.f4 Ne4 15.Ng6 hg6 16.Rf3 Qh4 17.Kg2 d4 18.ed4 Nd4 19.Bd4; 14.c4 Bb1 15.Rb1 dc4 16.Bc4 b5 17.Be2 Bd2 18.Nf5 Ne7 19.Ng3) 14...hg6 (14...fg6 15.c4=+ (15.Bf3 Qd6 16.Bg2 d4 17.Qe2 Re6 18.a4 Rae8 19.Qc4; 15.Nc3 b5 16.a4 b4 17.Na2 Ne4 18.c3 Qh4 19.cb4; 15.Kg2 Ne4 16.d3 Ng5 17.Nd2 Bc7 18.Re1 d4 19.Nf1) 15...d4 16.Qb3 Qd6 17.Rd1 Ne4 18.f4 Nd2 19.Nd2) 15.Bf3 (15.c4 dc4 16.Bc4 b5 17.Be2 Qd6 18.a4 c4 19.f4; 15.Nc3 d4 16.Nb1 Qd6 17.Kg2 Rad8 18.Rh1 c4 19.Bf3) 15...Qd6 (15...b5 16.a4 Qd6 17.Bg2 b4 18.f4 c4 19.Qf3) 16.Bg2 Rad8 17.d3 (17.g5 Ne4-/+ 18.h4 d4 19.Re1) 17...Bc7 18.Re1 Qh2 19.Kf1 Ba5 (19...Be5 20.c3=+) 20.Nd2 Ne5 (20...b5 21.a4=) 21.Rb1 b5 22.Re2 g5 (22...Bd2 23.Qd2 g5 24.a4=) 23.Nb3 (23.f4 Neg4 24.hg4 Ng4=) 23...Bb6=+ 24.Nd2 (24.Be5 Qe5 25.Nc5 Bc5=+) 24...Bc7 (24...d4 25.f4 gf4 26.ed4 cd4 27.Re5 Re5 28.Nf3=) 25.a4 ba4 26.Be5 Qe5 (26...Be5?? 27.Nf3 Ne4 28.Nh2+–) 27.Ra1 Nd7 (27...Ra8 28.Ra4 Qc3 29.Nb1=) 28.Ra4 a5 (28...Qe6 29.Qa1 Nb8 30.Qa3=) 29.Qa1 Qd6 (29...Qe6 30.Qa2 Ne5 31.Nb3+=) 30.Nb3 Qh2 (30...Qe6 31.Qa3=) 31.Na5+= (worse 31.Bd5 Nb6 (worse 31...Qh3 32.Bg2 Qh2 33.Na5+=) 32.Bg2 c4 33.Rc4 Nc4 34.dc4 Re7=+) 31...Nb6 32.Ra2 Nd7 (32...Rc8 33.Qb1+=) 33.Nc6 Rc8 34.Qb2 Bb6 (34...Qd6 35.Qb7 Nb6 36.e4+–) 35.Bd5 Qh3 36.Bg2 (36.Ke1 Qg4 37.Qb3 Qf5+–) 36...Qg4 37.Qb5 Nb8 (37...Bc7 38.Ra4 Qe6 39.Ke1+–) 38.Ra4 Qh5 39.Re1 (39.Na7 Ba7 40.Ra7 Red8+–) 39...g4+= 40.Nb4 Bc7 41.Nd5 Be5 (41...Bd6 42.Re2+–) 42.Nb6 Rcd8 43.Qc5 Qg6 44.Nd5 (44.Ke2 g3 45.f4 Bc3+–) 44...Qe6+– 45.Qb5 Rc8 46.d4 Bd6 (46...Bh2 47.c4+–) 47.Qe2 (47.c4 g3+–) 47...g3 48.c4 (48.Rea1 gf2 49.Qf2 Qg6+–) 48...Qg6 (48...gf2 49.Qf2 Qg6 50.Bh3 Qd3 51.Qe2+–) 49.Rd1 (49.f4 Nc6 50.c5 Be7+–) 49...gf2 50.Qf2 Bg3 (50...Nc6 51.e4+–) 51.Qf3 (51.Qf3 Qc2 52.Ra7+–) 1–0. Taulien,Hans_Juergen (2350) – Baensch,Hans (2095), RSX8D – priv – XMAS, 2004.

10.h3 Bh5 11.g4 Bg6 12.Nh4 a6 13.Be2 Qd6 A) 14.f4 A1) 14...h6 15.a3 (15.Ng6 fg6 16.Rf3 b5 17.a4 c4 18.g5 Nd7 19.Qe1) 15...Ba5 16.Ng6 fg6 17.Rf3 d4 18.g5 Nd5 19.c4; A2) 14...Ba5 15.Ng6 hg6 16.g5 Ne4 17.Kg2 Ne7 18.Bg4 d4 19.ed4; B) 14.Ng6 fg6 15.d3 Ba5 16.g5 Nd7 17.Qc1 d4 18.e4 Re7 19.f4.

10.h3 Bh5 11.g4 Bg6 12.Nh4 a6 13.Be2 Qe7 A) 14.a3 Ba5 15.Ng6 (15.c4 d4 16.Ng6 fg6 17.Qb3 Rad8 18.Bf3 Bc7 19.Re1) 15...fg6 16.Bf3 Rad8 17.Bg2 Qe6 18.d3 d4 19.ed4; B) 14.Ng6 fg6 15.f4 Ne4 16.Rf3 Qh4 17.Kg2 Rad8 18.a3 Ba5 19.d3.

10.a4 Bc7 11.Na3 a6 12.d3 Bg4 13.h3 Bf3 14.Bf3 Qd6 15.Re1 Qh2 16.Kf1 Ne5 17.c4 d4! 18.Ke2? Nf3 19.Kf3 Re3! 20.Re3 de3 21.Qg1 Qd6 22.fe3 Qd3 23.Qb1 Qd6 24.Qe1 Rd8 (24...Rd8 25.Nb1 Qe6-+) 0–1. Campeanu,A – Montag,Wilfried Franz, corr ICCF EU–M–935, 1991.

10.a4 Bc7 11.Na3 a6 12.Re1 Bf5 13.d3 Qd6 14.g3 Rad8 15.Nb1 h6 16.Ba3 b6 17.d4 Bc8 18.Qc2 Na5 19.Bf1 Ne4 20.Nbd2 Qc6 21.Qb2 f5 22.Red1 c4 23.Bb4 Nb7 24.Rdb1 g5 25.Bg2= Qe6 26.Qc2 Bd7 27.Nf1 Qc6 28.Qb2 a5 29.Ba3 Qe6 30.Qc2= Ba4?? 31.Qa4 Nc3 32.Qc2 Nb1 33.Rb1 Nd6 34.Ne5 Nc8 35.f4 g4 36.h3 h5 37.Rb5 Ne7 (37...Na7 38.Rb2=) ½–½. Baciak,M (1900) – Ceplecha,T (2375), OCC–2002–01, 2002.

10.Qc2 Bg4 11.h3 Bf3 12.Bf3 c4 13.Na3 a6 14.Qd1 Bc7 15.Nc2 Ne4 16.Ba3 b5 17.Nd4 Nd4 18.cd4 Ng5 19.Bc5 Ba5 20.d3 cd3 21.Qd3 Nf3 22.gf3 Re6 23.Kh2 Rc8 24.Rg1 Qf6 25.f4 Rec6 26.Qb3 Qe6 27.Rg5 f5 28.a4 ba4 29.Qd3 g6 30.Ra4 Bc7 31.Qa3 a5 32.Qd3 Rb8 33.Ra1 Rb2 34.Rg2 Ra6 35.h4 Ra8 36.h5 Rab8 37.Qd1 Kf7 38.Qf3 Rc2 39.Qh3 Rg8 40.Rb1 Rg7 41.Rb7 Kg8 42.Qh4 Qe8 43.Qf6= g5 44.Rg3 h6 45.Qf5 Rf2 46.Kg1 Rf4 47.ef4 (worse is 47.Qd5 Qf7 48.Qf7 Rff7 (48...Kf7 49.Rc7 Kf6 50.Rg7 Rf1 51.Kf1 Kg7 52.d5+–) 49.Rc7 Rc7-+) ½–½. Eigenmann,Walter – Petrovic,Djordje R, ICCF Jubilee P161 email, 2001.

10.d3 b5 11.Nbd2=+ c4 (11...Bf5 12.Nb3 Bb6 13.a4=) 12.a4 a6 (12...Qb6 13.ab5 Qb5 14.dc4 Qb2 15.cd5 Nd5 16.Nc4 Nc3 17.Nb2 Nd1 18.Rfd1=) 13.Nb1 (13.Qc2 Bf5 14.ab5 ab5=) 13...Bf5=+ 14.ab5 ab5 15.Na3 Qb8 16.h3 h6 17.Nc2 Ne5 18.Ne5 Qe5 (18...Re5?! 19.Nd4 Bd7 20.Qc2=) 19.Qd2 Bc7 (19...cd3 20.Bd3 Ne4 21.Qe1-/+) 20.f4=+ Qe6 21.Nd4 Qd7 22.Ra8 Ra8 23.Nf5 Qf5 24.Bc1 Bb6 25.Kh2 h5 26.e4 (26.Rd1 Re8 27.d4 Ne4=+) 26...de4-/+ 27.dc4 bc4 28.Bc4 Qc5 29.Be2 h4 30.Qc2 e3 31.c4 Rd8 32.Rf3 Re8 33.Qa4 Qe7 34.Ba3 Qe6 (34...Qd8 35.c5 Re4 36.Qc2-/+) 35.Bc1 (35.Rf1 Rd8 36.Qa6 Rd2 37.Qa8 Kh7-/+) 35...Bc5 36.Ba3 Bb6 37.Bc1 Qe7 38.Ba3 Qd8 39.c5 Re4 40.Qb3 (40.Qa6 Bc7 41.Kg1-+) 40...Bc7-+ 41.Bc1 (41.Kg1 Qd2 42.Qb2 Nd5-+) 41...Nd5 42.Kh1 Qa8 43.Bb2? (43.Qd3 Nf4 44.Rf4 Bf4-+ (44...Rf4 45.Be3 Re4 46.Bf1-+)) 43...Nf4 (better 43...Rb4 44.Qc2 Qa2 45.Qf5-+) 44.Bc3 (44.Qc3 Qf8 45.Rf4 Bf4-+ (45...Rf4?! 46.Qe3 Rb4 47.Qc3-+)) 44…Qc6 (44...Qc6 45.Qa2 Qg6-+) 0-1. Adlai – Anejdaj, internet, 2021.

10.d3 Bc7 11.Nbd2 b6 12.c4 dc4 13.Nc4 Bf5 14.d4 cd4 15.Nd4 Nd4 16.Qd4 b5 17.Nd2 Bb6 18.Qd8= Red8 19.Nf3 b4 20.Bf6 gf6 21.Bc4 Rac8 22.Rac1 a5 23.Bb3 Rc3 24.Rc3 bc3 25.Rc1 Rc8 26.Bc2 Bd7 27.Ne1 Bc5 28.Bd3 Ba3 29.Rc2 Ba4-+ 30.Kf1 Bc2 31.Bc2 h6 32.Ke2 Kf8 33.Bb3 Ke7 34.Nc2 Bb4 35.Ne1 f5-+ 36.Bc2 Kf6 37.Bb3 f4 38.e4 Bd6 39.Bc2 Be5 40.Nd3 Rc4 41.f3 Rc8 42.Ne1 Ke6 43.Nd3 f6 44.Ne1 Kd6 45.Bb3 Kc5 46.Nc2 Rd8 47.Bd5 Rd7 48.h3 Rg7 49.Kf1 f5 50.Be6 fe4 51.fe4 Rg3 52.Bb3 f3 (52...f3 53.gf3 Rf3 54.Ke2 Rh3-+) 0–1. Klasmeier,Hartmut (2020) – Goy,Udo (2120), 03sen.Bad Wildungen, 2006.

10.d3 Bc7 11.Nbd2 Qd6 12.g3 Ng4 13.Nh4 h5 14.e4 Be6 15.d4 cd4 16.cd4 Bb6 17.e5 Qd7 18.Ndf3 Bf5 19.Nf5+= Qf5 20.Bd3 Qd7 21.Rc1 Bd8 22.Qd2 Be7 23.Qf4 Nh6 24.Rce1 Qh3 25.Ng5 Bg5= 26.Qg5 Ng4 27.Qh4 Qh4 28.gh4 a6 29.h3 Nh6 30.Kh2 g6 31.Rg1= Kh7 32.Rg5 Re6 33.Reg1 Ne7?? 34.Rh5+– Kg7 35.Bc1 Rh8 36.Rhg5 Kf8 37.Ba3 Ke8 38.Be7 Ke7 39.f4 Rb6+/- 40.Rb1 Rb1 41.Bb1 Rc8 42.h5+– Rc1 43.Bg6 Rd1 44.Bc2 Rd4 45.Kg3 b5 46.Rg7+/- Kf8? (better is 46...Rd2 47.Bg6 Ra2+/-) ½–½. Krueger,B – Koch,H, Baunatal, 1996.

10.d3 Bc7 11.Nbd2 Bg4 12.Re1 Qd6 13.Nf1 Nd7 14.Qa4 Bf3 15.Bf3 Nce5 16.Be2 b5 17.Qc2 (17.Qb5? Reb8 18.Qa4 Rb2-+) 17...Re6 (17...c4 18.d4 Nc6 19.a4+=) 18.f4 Nc6 19.Bf3 Rae8 20.g3 Nf6 21.Qg2 Bb6 22.c4 bc4 (worse is 22...dc4 23.f5 cd3 24.fe6 Re6 25.Bf6 Rf6 26.a4+/-) 23.dc4 d4 (23...Nd4 24.Bd5 Nd5 25.cd5+=) 24.e4 (better is 24.f5!? Re4 25.g4+/-) 24...Qc7= 25.e5 Nd7 26.Bd5 Rg6 27.f5+/- Rh6 28.e6+– (28.e6 fe6 29.Bc6+–) 1–0. Chirpii,Alexandru (1925) – Abdulla,Al_Hamed (1660), Iasi ROM, World Amateur Ch, 2013.

10.d3 Bc7 11.Nbd2 Bg4 12.c4 dc4 13.Nc4 Nd5 14.h3 Bh5 15.d4 cd4 16.Nd4 Be2 17.Qe2 Nd4 18.Bd4 Qg5 19.Qf3 b5 20.Nd2 Be5 21.Ne4 Qg6 22.Rad1 Bd4 23.Rd4 b4 24.Rfd1 Nc3?? (better is 24...Rac8+=) 25.Nc3+– bc3 (25...Rab8 26.Nd5 f5+–) 26.Qa8!! (26.Qa8 f6 27.Rd8+–) 1–0. Lorenc,To1 (2085) – Bednar,Ji (1965), Nachod CZE, 2013.

10.d3 Qd6 11.Nbd2 Bf5 12.Re1 Rad8 13.Qb3 b5 14.Qc2 a6 15.a4 Bb6 16.ab5 ab5 17.Ra6 Rb8 18.Rea1 Qc7 19.R1a2 c4 20.Nh4 Bc8-/+ 21.Ra8 Ra8 22.Ra8 Na7 23.dc4 bc4 24.Bf3 Qc6-+ 25.Rb8 Nd7 26.Rc8 Nc8-+ 27.Nf5 Nd6 28.Nd4 Qa8 29.Ne2 Ne5 30.h3 Qa7 31.Nc1? Be3 32.fe3 Qe3 33.Kh2 Qf2 (33...Qf2 34.Be2 Nf5-+; 33...Nf3?! 34.Nf3 Qf4 35.Kg1-/+) 0–1. pierre – Chesshub, ChessHere.com, 2005.

10.d3 Qd6 11.d4 c4 12.Ba3 Qd8 13.Qc2 Bg4 14.h3=+ Bh5 15.Nbd2 Rb8 16.Rfe1 b5 17.Bc5 Bg6 18.Qc1 b4 19.cb4 Nb4 20.Bb4 Bb4-/+ 21.a3 Ba5 22.Ne5 Ne4 23.Ne4 Be4 24.Rd1-/+ (24.Rd1 Qg5 25.f3=). Rosemann,Hans_Joachim (1930) – FR (1660), remoteschach.de, 2003.

10.d3 Bf5 11.Nbd2 Bc7 12.Re1 Rb8 13.a4 Qd6 14.Ba3 (14.c4 Nb4=+) 14...b6 15.d4 (15.Bb2 Rbd8=+) 15...Ne4-/+ 16.Rc1 Nd2 17.Qd2 Be4 18.g3 Qf6 19.Qd1 Bd6 20.Nd2 Bf5 21.Bg4 (better 21.Bf3!? c4 22.Bb2=+) 21...Bg4-/+ 22.Qg4 cd4 23.cd4?? (better 23.Bd6 de3 24.Re3 Qd6 25.Rce1 Re3 26.Re3-/+) 23…Ba3-+ (23...Ba3 24.Rb1 Rbc8-+) 0-1. Mely (2305) - La Vache (2365), ChessWorld.net, 2016.

10.d3 Bf5 11.Nbd2 Qd6 12.Re1 Rab8 13.Qc2 b5 14.a4 b4 15.Nb3 bc3 16.Bc3 Bd8 17.Rab1= Nb4 18.Qd2 Nc6 19.a5 Bc7 20.Rec1=+ Nd7 21.Qd1 Bg4 22.g3 f6 23.Nfd2 Bf5 24.Bg4 Qe6 25.Bf5= Qf5 26.e4 de4 27.de4 Qh3 28.Qe2 Re6 29.Qc4 Nce5 30.Be5 Ne5 31.Qc5 Ng4 32.Nf1 Bd6 33.Qd5 Ne5 34.Nd4 Rbe8 35.Rb7 Ba3 36.Ne6 Kh8 37.Rc3 Bf8 38.Nf8 Rf8 39.Ra7 (39.Ra7 Ng6 40.Ra8+–) 1–0. Pierred (2145) – Henry (2525), Rated game, 2m + 0s, 2005.

10.d3 Bg4 11.Nbd2 Qd6 12.h3 Bh5 13.Rb1 Bc7 14.Re1 Rad8 (14...b5 15.Ba3 b4 16.cb4 cb4 17.Bb2=) 15.c4 (15.Qa4 b6=+) 15...d4=+ 16.ed4 cd4 17.Qc2 (17.Bc1 b6=+) 17...h6 (17...Ba5 18.Bd1-/+) 18.g3 (18.c5 Qe6 19.Qb3=+) 18...Nd7 (18...Ba5 19.g4 Bg6 20.Bf1-/+) 19.Bf1 (19.Ne4 Re4 20.de4 Bb6=) 19...Re1 (19...Ba5 20.Bg2 Re1 21.Ne1=+) 20.Ne1 (20.Re1 Ba5 21.Nh4 Qf6-/+) 20...Bg6 (20...Re8 21.Ng2 g5 22.Re1 Re1 23.Ne1=+) 21.Nb3 a5 (21...Bb6 22.Bg2=+) 22.Qd1 (22.Nf3 Bb6=+) 22...Re8 23.Nc2 Increasing the pressure on the isolated pawn on d4 23...Bb6 24.Ba3 Qf6 25.f4 Bf5 26.Qf3 a4 (26...Qg6 27.Kh2 a4 28.Nc1=+) 27.Nc1 Qg6 (27...Qe6 28.Rb5=) 28.Kh2 (28.Bg2 h5=) 28...h5 (28...Qe6 29.Bg2=) 29.Rb5= Na7 30.Rd5 Nf6 (30...Nc6 31.Rb5=) 31.Re5+= Nc6 32.Rb5 Bd8 (32...Ba5 33.Rb7 Bc3 34.Rb5+= (34.Qc6?? Ng4 35.hg4 Qc6-+)) 33.Rb7+= Na5 34.Rb4 Bd7 35.c5 (35.Rb2 Nc6+/-) 35...h4 36.g4 Bc6 37.Qf2 Nd5 38.Rd4 Bf6 39.Ne2 Bd4 40.Ned4 Qf6 41.Bc1 Nc3? (better 41...g5!?+/-) 42.Bd2+- Nd1 43.g5 Qd8 (43...Qe7 44.Qe2 Qc5 45.Qd1+-) 44.Nc6 Nc6 (44...Nf2?? 45.Nd8 Nb3 46.Be1+- (46.ab3?! ab3 47.Nc6 bc2+-)) 45.Qf3 Nd4 46.Qd1 Nc2 (46...Ne6 47.d4! Nd4 48.Bc3+-) 47.Qc2 Qd4 48.Qc1 (48.Bc1 Re1 49.Kg2 Qd5 50.Kf2 Rf1 51.Kf1 Qh1 52.Ke2 Qg2 53.Kd1 Qf1 54.Kd2 Qf2 55.Kc3 Qc5 56.Kb2 Qb4 57.Ka1 Qd4 58.Bb2 Qf4+-) 48...Qd5 (48...a3 49.c6 Qb2 50.d4 Qd4 51.Bg2+-) 49.a3 Qf3 50.c6 Rc8 51.Bg2 Qd3 (51...Qg3 52.Kg1 Qd3 53.Be1+-) 52.Be1 Rc7 (52...Re8 53.Bh4 Qe3 54.Qc4+-) 53.Qc5 Qg6 (53...Rc8+-) 54.Qe5 Qd3 (54...Rc8 55.Bc3 f5+-) 55.Qc7 Qa3 (55...Qf5 56.Qb8 Kh7 57.Bh4 Kg6 58.c7 Qf4 59.Bg3 Qc4 60.c8Q Qa2 61.Qf4 Qb1 62.Qc6 f6 63.Qe8 Kh7 64.Qh4) 56.g6 Qe3 (56...Qd6 57.Qf7 Kh8 58.Qe8 Qf8 59.Qf8) 57.Qf7 Kh8 58.Qf8 1-0. Adlai – Korkanne, internet, 2021.

11.a4 Bf5 12.Nbd2 h6 13.Qc1 Bc7 14.Ba3 Rb8 15.Re1 (15.Qb2 Qd7 16.Nh4 Bg4=+) ½–½. Skerlik,Stanislav (2340) – Costa,Fernando VLS (2355), POR–SVK friendly m email, 2005.

11.Qc2 b5 12.Nbd2 Bg4 13.Bd1 Qd6 14.Ng5 Bc7 15.g3 Qd7 16.Bg4 Qg4 17.Ngf3 a5 18.Nh4 b4 19.Qf5 Qf5 20.Nf5 Rab8 21.h3 h5 22.Rfc1 g6 23.Nh4 Na7 (23...a4 24.Nc4 dc4 25.cb4 Nb4 26.Rc4-+) 24.Rc2 Nb5 25.Nhf3 Kg7 26.Kf1 Nd6 27.Ke2 Nfe4 28.Ne4 Ne4 (28...de4?! 29.Nd2 bc3 30.Bc3=) 29.Nd2 f5 30.Rcc1 g5 31.Rab1 Bd6 32.Ba1 Rh8 33.Ne4 (33.cb4 ab4 34.Nc4 dc4 35.Rc4-+) 33...fe4 (worse is 33...de4 34.cb4 ab4 35.Rc4=) 34.Bb2 h4 35.g4 Rhf8 36.f4 (36.Rh1 Rf3-+) 36...ef3 37.Kd2 b3 (37...b3 38.a3 Kf6-+) 0–1. Lisakowski,Christoph (2260) – Hansen,Gonde (2480), RSS5D pro–42, 2005.

11.Qc2 Ne4 12.Nfd2 Bf5 13.Ne4 Be4 14.Qd1 Qg5 15.Bf3 (15.Bf3 Bc7-/+ (15...Bd3 16.Re1-/+)). Sawamura,T – Matsuyama,T, Email Open, 2001.

11.Nbd2 b5 12.a3 Bc7 13.Qc2 g6 14.Rae1 (14.g3 Bh3 15.Rfe1 a5-/+) 14...a5 15.Bd1 (15.h3 Bf5 16.Qc1 Qd6-+) 15...Qe7 (15...b4 16.Qc1 b3 17.a4-+) 16.Qc1 Bf5 17.Bc2 Bc2 18.Qc2 Bd6 (18...b4 19.cb4 ab4 20.e4 Ne4 21.Ne4 de4 22.Qc4-+) 19.Nb1? (19.e4 de4 20.Re2 Ba3 21.Ba3 Qa3 22.Ne4 Ne4 23.Re4 Qd6-+) 19...Rab8 (19...b4 20.a4-+) 20.Nfd2 (20.Nbd2 b4 21.ab4 ab4-/+) 20...h5 21.f3? (better is 21.h3-+) 21...Qc7 22.h3 h4 (22...b4!? 23.Qd1 Bg3 24.Re2 bc3 25.Bc3-+) 23.f4 Nh5 24.Nf3 Ng3 25.Nh4 (25.Rf2 Ne4-+) 25...Nf1 26.Kf1? (26.Rf1 Qe7 27.Ng6 Qe3 28.Kh2-+) 26...Bf4! 27.ef4 Re1 (27...Qf4?! 28.Nf3-/+) 28.Ke1 Qe7 29.Kf1 Qh4 30.Bc1 (30.Qf2 Qh5 31.Nd2 Qd1 32.Qe1 Qc2-+) 30...Re8 31.Qf2 (31.Qd1 b4-+) 31...Qf2 (better is 31...Qh5!? 32.Qc2-+) 32.Kf2 b4 33.ab4 (33.f5 b3 34.fg6 fg6-+) 33...ab4 34.cb4 Nb4 35.Bd2 Na2 36.Nc3 Nc3 37.Bc3 Ra8 38.Bd2 Ra3 39.h4 c3 (39...c3 40.Be3 c2-+) 0–1. Lurdalen,Svein Erik (1820) – Risting,Eivind Olav (2100), Reykjavik Open, 2015.

11.Nbd2 Qd6 A) 12.Qc2 A1) 12...Bg4 13.a4 (13.Rab1 Qd7 14.Rbe1 Bf5 15.Qc1 Bc7 16.Ba3 Rad8=+; 13.a3 Bc7 14.h3 Bh5 15.a4 Bg6 16.Qd1 Qe6-/+; 13.Rfd1 Bc7 14.h3 Bh5 15.Bc1 Ne4 16.a4 Bg6-/+; 13.h3 Bh5 14.Qc1 Ne4 15.Re1 Nd2 16.Qd2 Bg6=+; 13.Rad1 Bc7 14.h3 Bh5 15.Qc1 Qe6 16.Ba3 Rab8=+; 13.Rfe1 Ne4 14.a4 Bc7 15.Ba3 Qh6 16.Rab1 b6-/+; 13.Rae1 Bc7 14.h3 Bh5 15.Qc1 Qe6 16.Ba3 Rab8=+; 13.Rfb1 Qd7 14.Re1 Bf5 15.Qc1 Rab8 16.Ba3 Bg4=+) 13...Ne4 14.Ne4 de4 15.Ng5 Be2 16.Qe2 Qd5=+; A2) 12...Be6 13.a4 Qd7 14.Ba3 b6 15.Qb2 a6 16.Rfd1 Bg4=+; A3) 12...Rb8 13.a4 Qe6 14.Ba3 Bd7 15.Qb2 Bc7 16.Rfe1 Ne4=+; A4) 12...Bc7 13.a4 (13.Rfb1 Ne4 14.Bc1 Rb8 15.Rb5 Bg4 16.h3 a6-/+) 13...Ne4 14.Ba3 Qh6 15.Qb2 Bg4 16.h3 Nd2-/+; B) 12.Qc1 B1) 12...Bg4 13.Ba3 Qd7 14.Rd1 Qe6 15.Qb2 Rab8 16.h3 Bf5=+; B2) 12...Ne4 13.Ba3 Qg6 14.Ne4 de4 15.Ne1 Be6 16.f3 Bd5=+; B3) 12...Bc7 13.Rb1 (13.Ba3 Qe6 14.Qb2 Rb8 15.Rfb1 b5 16.Ng5 Qf5-/+) 13...Bf5 14.Ba3 Qd7 15.Rb2 b6 16.Rd1 a6=+; B4) 12...Qe6 13.Ba3 Rb8 14.Rb1 b5 15.Rb2 Bc7 16.Qc2 a5=+; B5) 12...Qc7 13.Ba3 (13.Qc2 Bg4 14.Rfe1 Qd6 15.a4 Qe6 16.Ng5 Qf5=+) 13...Bg4 14.Re1 Rad8 15.Qc2 Qd7 16.Qb2 Ne4=+; B6) 12...a6 13.Re1 (13.Ba3 Qe6 14.Rb1 Bc7 15.Re1 b5 16.Bc5 Nd7=+) 13...Bf5 14.Ba3 Qd7 15.Qb2 b6 16.Rad1 Rad8=+; B7) 12...Bf5 13.Ba3 Qe6 14.Qb2 h6 15.Rae1 Rab8 16.Bc5 Bc7-/+; C) 12.Qa4 C1) 12...Bg4 13.Rfe1 (13.Qc2 Bc7 14.h3 Bh5 15.Qc1 Ne4 16.Ba3 Qf6-/+; 13.Rfd1 Qd7 14.Qa3 b5 15.Kf1 b4 16.cb4 Bb4-+; 13.h3 b5 14.Ba3 ba4 15.Bd6 Bf3 16.Bf3 Bc3-/+; 13.Rfb1 Ne4 14.Ne4 de4 15.Ne5 Be2 16.Nc6 Bc7-/+; 13.Rab1 Ne4 14.Rfd1 Bc7 15.Kf1 a6 16.Ne4 de4-/+; 13.Rad1 Ne4 14.Ne4 de4 15.d5 ef3 16.dc6 Qg6-+; 13.Rac1 Ne4 14.Rfd1 Bc7 15.h3 b5 16.Qa3 Nd2-/+; 13.Rfc1 Ne4 14.h3 Nd2 15.hg4 Ne4 16.g5 Qe6-/+; 13.Rae1 Ne4 14.Ne4 de4 15.Nd2 Bc7 16.g3 Bh3-/+) 13...b5 14.Qc2 Ne4 15.a4 Nd2 16.Qd2 b4=+; C2) 12...b5 13.Qc2 Bc7 14.a4 b4 15.cb4 Nb4 16.Qc3 Rb8=+.

11.Nbd2 Be6 12.Qc2 A) 12...Bg4 13.Rfe1 (13.h3 Bh5 14.Rfe1 Qd6 15.Qc1 Ne4 16.Rb1 Bg6=+) 13...Ne4 14.Ne4 de4 15.Nd2 Be2 16.Re2 Qd5=; B) 12...Qd7 13.Ba3 Rab8 14.Qb2 b5 15.Ne5 Ne5 16.de5 Ng4=+; C) 12...Qe7 13.Ng5 Bc7 14.Ne6 Qe6 15.Ba3 Rab8 16.Rfe1 b5=+; D) 12...Qc8 13.Ba3 Bf5 14.Qb2 Bc7 15.Rae1 b6 16.Nh4 Bd7=+; E) 12...Bc7 13.Ba3 Qd7 14.Rfe1 a6 15.e4 de4 16.Ne4 Ne4=+.

11.Nbd2 Qe7 A) 12.Qc2 Bg4 (12...Bc7 13.Rab1 Bd6 14.Rfe1 Bg4 15.h3 Bh5 16.Nh4 Be2=+; 12...Rb8 13.a4 Qe6 14.Ba3 Bc7 15.Rfe1 Qf5 16.Qf5 Bf5=+) 13.Rfe1 (13.a3 Qd7 14.Rfe1 Bf5 15.Qd1 Qd6 16.a4 Ne4-/+; 13.h3 Bh5 14.Qc1 Ne4 15.Re1 Rad8 16.Bd1 Bg6-/+) 13...Bc7 14.a4 Bd6 15.h3 Bh5 16.Nh4 Be2=+; B) 12.Qc1 B1) 12...Bg4 13.Ba3 Qc7 14.Re1 Rad8 15.Qc2 Qd7 16.Qb2 Ne4=+; B2) 12...Bc7 13.Ba3 Qe6 14.Qb2 a6 15.Rab1 b6 16.Rfe1 Ne4=+; B3) 12...Qe6 13.Ba3 Bc7 14.Qb2 a6 15.Rab1 b6 16.Bd1 Ne4=+; B4) 12...Bf5 13.Nh4 (13.Ba3 Qe6 14.Ng5 Qd7 15.Qb2 Rab8 16.Ngf3 b5-/+) 13...Bg4 14.Bg4 Ng4 15.Nhf3 Bc7 16.Ba3 Qe6=+; B5) 12...Ne4 13.Ne4 Qe4 14.Ba3 Qg6 15.Qb2 Rb8 16.Nh4 Qf6=+.

12.a4 A) 12...Qd6 13.Ba3 (13.Qc1 Ne4 14.Ne4 Be4 15.Ba3 Qg6 16.Qb2 Rab8-/+) 13...Qe6 14.Qc1 Ng4 15.Ra2 Rac8 16.Rb2 b6=+; B) 12...Nd7 13.Re1 Qb6 14.Qc1 Nf6 15.Ba3 Qc7 16.Qb2 b6=+; C) 12...Qe7 13.Ba3 (13.Nh4 Bd7 14.Nhf3 Bg4 15.Ne5 Ne5 16.de5 Be2-+; 13.Qc1 Ne4 14.Ne4 Qe4 15.Ba3 Qc2 16.Qc2 Bc2=+; 13.Re1 Ne4 14.Ne4 Qe4 15.Nd2 Qh4 16.Nf1 Rad8-/+) 13...Qe6 14.Qc1 Ng4 15.Ra2 Rac8 16.Rb2 b6=+; D) 12...Qd7 13.Nh4 Bg4 14.Bg4 Ng4 15.Nhf3 Bc7 16.Ba3 Qe6=+; E) 12...Bc7 13.Ba3 Ne4 14.Ne4 Be4 15.Re1 Bf5 16.Ra2 Qf6=+; F) 12...b6 13.Re1 (13.Nh4 Bd7 14.Nhf3 Bg4 15.h3 Bf5 16.Nh4 Bd7=+) 13...Qc7 14.Nh4 Bd7 15.Qc2 Ne4 16.Ne4 Re4=+; G) 12...Ng4 13.Qc1 (13.h3 Nf6 14.Nh4 Be4 15.f3 Bd3 16.Bd3 cd3-/+; 13.Re1 Qf6 14.h3 Nh6 15.Kh1 Bg6 16.Rc1 Bc7-/+; 13.Ra2 Qf6 14.h3 Nh6 15.Qa1 b6 16.Kh1 Bg6-/+; 13.Ne1 Qg5 14.Ndf3 Qh6 15.Nc2 Nf6 16.Rc1 Ne4-/+) 13...Qf6 14.h3 Nh6 15.Kh1 Bc7 16.Re1 Rad8-/+.

12.Qa4 a6 13.Qd1 (13.Nh4 b5 14.Qd1 Bd7 15.Nhf3 Ne4 16.Qc1 Bg4-/+; 13.a3 Qb6 14.Ra2 Qc7 15.Nh4 b5 16.Qd1 Be6-/+; 13.Qa3 Bc7 14.Bc1 Bd6 15.Qb2 b5 16.Nh4 Bd7-/+; 13.Rfc1 Bc7 14.Qd1 Ne4 15.a4 Nd2 16.Qd2 Na5-/+; 13.Rfe1 Qb6 14.Qa3 Nb4 15.Rec1 Nc2 16.Rc2 Bc2-/+; 13.Rac1 b5 14.Qd1 Qd6 15.Ra1 Rab8 16.Qc1 Bc7-/+; 13.Rae1 b5 14.Qd1 Ne4 15.Ne4 de4 16.Nd2 Qg5-/+; 13.h3 Bc7 14.Qd1 Bd6 15.a4 Qe7 16.Re1 b6-/+; 13.Rad1 b5 14.Qa3 Bc2 15.Qc5 Bd1 16.Rd1 Nb4-+) 13...b5 14.Nh4 Bd7 15.Nhf3 Ne4 16.Qc1 Bg4-/+.

12.Qc1 A) 12...Rb8 13.Nh4 (13.Ba3 Qd7 14.Re1 Bc7 15.Qb2 a5 16.Nh4 Be6-/+) 13...Bg4 14.Bg4 Ng4 15.Nhf3 Bc7 16.Ba3 Qd7=+; B) 12...Bc7 13.Ba3 Qd7 14.Qb2 b6 15.Rfe1 a6 16.Rad1 Rab8=+; C) 12...a6 13.a4 (13.Nh4 Be6 14.Nhf3 b5 15.a4 b4 16.Ne5 Rc8-/+; 13.Ba3 b5 14.Nh4 Bd3 15.Bd3 cd3 16.Nhf3 Ne4=+; 13.Rd1 b5 14.Nh4 Bg4 15.Bg4 Ng4 16.Nhf3 Bc7-/+; 13.Bd1 Ne4 14.Bc2 Bc3 15.Ne4 Bb2 16.Qb2 de4-/+) 13...b6 14.Ba3 Bg4 15.h3 Bh5 16.Qb2 Ne4=+; D) 12...Nd7 13.Ba3 (13.Re1 Qf6 14.Bd1 b5 15.Bc2 b4 16.Bb1 Bb1=+) 13...Nb6 14.Bd1 Bd3 15.Re1 Re6 16.Qb2 Qf6=+; E) 12...Rc8 13.Nh4 (13.Ba3 b5 14.Qb2 a6 15.Nh4 Ne4 16.Ne4 Be4-/+) 13...Be6 14.Nhf3 b5 15.Re1 Bf5 16.Nh4 Bd3-/+; F) 12...Ne4 13.Ne4 (13.Rd1; 13.a4; 13.Re1) 13...Be4 14.Ba3 Bc7 15.Nd2 Bf5 16.Qb2 Rb8=+; G) 12...Qd7 13.a4 (13.Rd1 Bc7 14.Ba3 b6 15.Qb2 a6 16.Ne5 Qe6=+; 13.Re1 Rab8 14.Ba3 b5 15.Bc5 b4 16.cb4 Nb4-/+; 13.Ba3 Bc7 14.Qb2 a6 15.Rfe1 Rad8 16.Nh4 Bg4=+) 13...Bg4 14.h3 Bf5 15.Ba3 b6 16.Rd1 Rad8=+; H) 12...Bg4 13.h3 Bh5 14.Qd1 Qb6 15.Qc1 Bg6 16.Nh4 Bd3=+; I) 12...Qc7 13.Rd1 (13.Nh4 Ng4 14.Nhf3 Qd7 15.Re1 Nf6 16.Nh4 Bg4=+; 13.Re1 Qd7 14.Ba3 Rab8 15.Nh4 Bg4 16.Bg4 Qg4=+; 13.Ba3 a6 14.Qb2 Rab8 15.Bb4 b5 16.Ba5 Qa5=+) 13...Rad8 14.Ba3 b5 15.Nh4 Ng4 16.Nf1 Be6=+; J) 12...b5 13.Rd1 (13.Ba3 b4 14.cb4 Nb4 15.Nh4 Be6 16.Nhf3 Rc8-/+; 13.Re1 Rc8 14.Nh4 Be6 15.Nhf3 a6 16.Qc2 b4-/+; 13.Nh4 Be6 14.Nhf3 Rc8 15.Ba3 b4 16.cb4 Nb4-/+; 13.Bd1 Rb8 14.Bc2 Bc2 15.Qc2 Qe7 16.Rab1 Bc7-/+) 13...Rc8 14.Nh4 Bg4 15.Bg4 Ng4 16.Nhf3 b4-/+; K) 12...Qe7 13.Ba3 Qe6 14.Qb2 Rab8 15.Nh4 Ne4 16.Ne4 Be4-/+.

12.Rc1 A) 12...Qe7 13.Nb1 (13.Nh4 Be6 14.Qc2 Bc7 15.Nhf3 Bg4 16.h3 Bh5-/+; 13.Qa4 Qd7 14.Ne5 Ne5 15.Qa5 Nd3 16.Bd3 Bd3-/+) 13...Ne4 14.Ba3 Qf6 15.Nfd2 Bc7 16.Ne4 Be4-/+; B) 12...Qd6 13.Re1 (13.Ra1 Bc7 14.Qc1 Ne4 15.Ba3 Qh6 16.Qb2 b5-/+; 13.Qa4 Qd7 14.Ne5 Ne5 15.Qa5 Nd3 16.Bd3 Bd3-/+; 13.a4 Ne4 14.Ne4 Be4 15.Ra1 Bc7 16.Ba3 Qh6-/+; 13.a3 Bc7 14.Ra1 Ne4 15.h3 Nd2 16.Qd2 Na5-/+) 13...Ne4 14.Ne4 Be4 15.Nd2 Bc7 16.g3 Bf5=+; C) 12...Bc7 13.Ba3 Nd7 14.Ra1 Qf6 15.Qc1 b5 16.Qb2 Rab8-/+.

12.Re1 A) 12...b5 13.Nh4 (13.a3 Qd6 14.a4 b4 15.cb4 Bb4 16.Rc1 Rac8-/+; 13.a4 b4 14.Rc1 b3 15.Nf1 Bc7 16.N3d2 Rb8-+; 13.Qc1 Rc8 14.Nh4 Be6 15.Nhf3 b4 16.cb4 Bb4-/+) 13...Bd7 14.Nhf3 Qe7 15.Qc1 Rac8 16.a4 b4-/+; B) 12...Bc7 13.Ba3 b5 14.Bc5 Nd7 15.a4 Nc5 16.dc5 ba4=+; C) 12...Qe7 13.Nh4 Bd7 14.Nhf3 Bc7 15.Qc1 Qe6 16.Ba3 b6=+; D) 12...Qd6 13.Qc1 (13.a4 Ne4 14.Ne4 Be4 15.Nd2 Bf5 16.Ba3 Qh6-/+) 13...Ne4 14.Ba3 Qh6 15.Ne4 Be4 16.Nd2 Bf5=+; E) 12...Rb8 13.a4 (13.Nh4 Be6 14.Nhf3 b5 15.Qc2 Qd7 16.Ba3 Bf5-/+) 13...Qd6 14.Ba3 Qe6 15.Rc1 Bc7 16.Nh4 Bg4=+; F) 12...Qd7 13.Nh4 Be6 14.Qc2 b5 15.Ba3 Ne4 16.Bb2 Nd2-/+.

12.Nh4 Be6 13.Nhf3 (13.Qc2 Ne4 14.Ne4 de4 15.g3 Bd5 16.Ng2 Bc7-/+; 13.Qc1 Ne4 14.Nhf3 Bg4 15.Re1 Bc7 16.Ba3 b5-/+; 13.Qb1 Ne4 14.Ne4 de4 15.g3 Bd5 16.Ng2 Bc7-/+) 13...b5 14.Qc2 Qd7 15.Ba3 Bf5 16.Qb2 Rab8-/+.

13.a3 Bc7 14.Nhf3 Bd6 15.Qc2 Qe7 16.Rab1 b6-/+.

13.a4 Ne4 14.Ne4 de4 15.g3 Be6 16.Ng2 Bc7=+.

13.Rb1 b5 14.Re1 Ne4 15.Ne4 de4 16.Bg4 Ne7-/+.

13.Qc1 Ne4 14.Nhf3 Bg4 15.Re1 Bc7 16.Ba3 b5-/+.

13.Rc1 Bc7 14.Ba3 Qb8 15.Nhf3 Bf5 16.Ra1 Ne4=+.

13.Re1 b5 14.Bf1 b4 15.Qc2 Rb8 16.Rab1 Qc8 (16...Qe7-/+) 17.g3? (better is 17.Rbc1-/+) 17...g5-+ 18.Ng2 (18.e4 gh4 19.ed5 Re1 20.Re1 Nd5 21.Nc4 bc3-+) 18...Bf5 19.e4 Ne4 20.cb4 (20.Ne4 Be4 (20...de4?! 21.Ne3+=) 21.Re4 Re4-+ (21...de4?! 22.cb4 Bb4 23.Qc1-+)) 20...Nb4 (20...Ng3 21.Qc3 Bb4 22.Qg3 Bd2 23.Re8 Qe8 24.Rd1 Rb2 25.Rd2-+) 21.Qd1 (21.Ne4 Nc2 (21...Re4?! 22.Qd2-+; 21...de4?! 22.Qd2 e3 23.Re3 Re3 24.Qe3-+) 22.Nf6 Kf8 23.Re8 Qe8 24.Ne8 Ke8-+ (worse is 24...Re8 25.Rd1-+)) 21...Nd2 22.Qd2 Bb1 23.Rb1 Qf5 24.Rd1 (24.Re1 Re1 25.Qe1 Nc2 26.Qa5 Rb2-+) 24...Na2 25.Qa5 Rb2 26.Qa7 (26.f4-+) 26...Nc3 27.Ra1 (27.Qa1 Nd1 28.Qd1 Qf2 29.Kh1-+) 27...Qf2 28.Kh1 Nb1 0–1. cristero (2485) – pierred (2795), net–chess.com, 2016.

13.Re1 g5 14.Nhf3 g4 15.Nh4 b5 16.Qc2 Ne4=+.

13.Nhf3 Qe7 14.Qc1 Qe6 15.Ba3 Bc7 16.Rb1 Rab8=+.

12.a3 A) 12...Bc7 13.Re1 (13.a4 Bf5 14.Ba3 Ne4 15.Ne4 Be4 16.Re1 Bf5=+; 13.h3 Bf5 14.a4 Ne4 15.Ne4 Be4 16.Ba3 Bf5=+; 13.Ra2 Bd6 14.Re1 Qe7 15.Qa4 Rab8 16.Qc2 b5-/+; 13.Qc1 Ne4 14.a4 Qf6 15.h3 Bh5 16.Qd1 Rad8-/+; 13.Rb1 Qd6 14.Ba1 Qa3 15.Rb7 Bb6 16.Ne5 Be2-+; 13.Kh1 Qd6 14.a4 Ne4 15.h3 Bf5 16.Ra2 Rad8-/+; 13.Qe1 Bd6 14.Qd1 Qe7 15.Re1 Bf5 16.Nh4 Be6-/+) 13...Qd6 14.h3 Bf3 15.Nf3 Ne4 16.Qc2 Qf6=+; B) 12...Qd7 13.Re1 (13.h3 Bf5 14.Nh4 Be6 15.Nhf3 Bc7 16.a4 Bf5-/+) 13...Bc7 14.a4 Bf5 15.Ba3 b6 16.Nh4 Be6-/+.

12.a4 a6 13.Ng5 (13.h3 Bf5 14.Nh4 Be4 15.Nhf3 Qb6 16.Ra2 Bf5=+; 13.Rc1 Qd6 14.Ra1 Qe6 15.Re1 b6 16.Qc1 Ne4-/+; 13.Re1 b6 14.Ng5 Be2 15.Qe2 Qe7 16.Qf3 Rad8=+; 13.Qc2 Qd7 14.Rae1 b5 15.ab5 ab5 16.Ba3 b4-/+; 13.Qc1 b6 14.h3 Bf5 15.Ba3 Qd7 16.Nh4 Be4=+; 13.Ra2 Qd7 14.h3 Bf3 15.Bf3 b5 16.ab5 ab5=+) 13...Bf5 14.Re1 (14.Ngf3 b6 15.Nh4 Bd7 16.Nhf3 Bg4=+) 14...b5 (14...Qd7 15.Ngf3 b5 16.ab5 ab5-/+) 15.ab5 ab5 16.Qc1 b4 17.h3 Bg6 18.Bf1 b3 (18...h6 19.Ngf3-/+) 19.g3 (19.e4 h6 (worse 19...Ne4 20.Nge4 de4 21.Bc4+–; 19...de4?! 20.Bc4 h6 21.Nb3=+) 20.ed5 Re1 (worse 20...Qd5 21.Re8 Ne8 22.Ngf3+=) 21.Qe1 Nd4 (21...hg5? 22.dc6 Bd3 23.Qe5+–; worse 21...Qd5 22.Ngf3+=; worse 21...Nd5 22.Ngf3=) 22.cd4 c3 (22...hg5?! 23.Qc1=+) 23.Bc3 Bc3 24.Ra8 Qa8-+) 19...Qd7 20.Bg2 (20.e4 de4 (20...Ne4?! 21.Nge4 de4 22.Qd1=+) 21.Bc4 h6-+) 20...h6 21.Ngf3 Bf5 22.Kh2 Bd3 23.Nh4 Qe6 24.Bf3 Bc7 25.Ng2 Qf5 (25...Ra1 26.Qa1 Bf5 27.Qa4-+) 26.Nh4 (26.Nf4 Ra1 27.Qa1 Ne4 28.Ne4 A) 28...Be4?! 29.Bg4 Qf6 30.f3=; B) worse 28...Re4 29.Qa8 Nb8 B1) 30.Be4?! Be4 (worse 30...de4 31.Ra1+–) 31.Ra1 Kh7=; B2) 30.Qd5+–; C) 28...de4-/+) 26...Qg5 27.Ng2 Ne4 28.Ne4 de4 29.Bg4 Ne7 (29...f5 30.Be2-+) 30.Nf4-/+ Bf4 31.ef4 Qg6 32.Ba3 Nd5 33.Qb2 h5 34.Be2 Re6 35.Bd3 ed3 (35...cd3?! 36.Qb3 Rd8 37.c4=) 36.Re5 Re5 37.de5? (37.fe5 Qe4 38.Rd1-+) 37…Qe4 (37...Qe4 38.Rb1 Qf3-+) 0–1. Godoy,Mario D – Mlynarczyk,Stefan (2000), corr ICCF, 2005.

12.a4 b6 13.h3 (13.Qe1 Qd7 14.h3 Bf5 15.Nh4 Be6 16.Rb1 Qe7-/+) 13...Bf5 14.Nh4 Be6 15.Qc2 Ne4 16.Ne4 de4-/+.

12.a4 Rb8 13.h3 (13.Re1 Qd7 14.h3 Bf5 15.Nh4 Be6 16.Nhf3 Rbd8=+) 13...Bf5 14.Nh4 Be6 15.Nhf3 Qb6 16.Qc1 Qc7=+.

12.a4 Qc7 13.Re1 (13.h3 Bh5 14.Re1 Rad8 15.Qc1 Qd7 16.g4 Bg6=+) 13...Rad8 14.Qc2 Qd7 15.Ba3 Bf5 16.Qb2 Rb8=+.

12.a4 Bc7 13.Ba3 Qd7 14.Re1 Rad8 15.Rb1 Bf5 16.Rb2 Ba5=+.

12.a4 Qc8 13.h3 Bf5 14.Nh4 Be6 15.Qc2 Rb8 16.Ba3 Qd7=+.

12.a4 Rc8 13.Re1 Qd7 14.h3 Bf5 15.Nh4 Be6 16.Qc2 Bc7=+.

12.a4 Qd6 13.Ba3 (13.Qc2 Qd7 14.Rae1 Bc7 15.Ba3 Na5 16.Bc5 b6=+; 13.Re1 Qe6 14.h3 Bh5 15.Rc1 Qd6 16.Ra1 Bg6-/+; 13.h3 Bf5 14.Ba3 Qe6 15.Qc1 Rac8 16.Qb2 b6=+; 13.Ng5 Bc7 14.g3 Be2 15.Qe2 Qd7 16.Rfb1 h6-/+) 13...Qc7 14.Rc1 Qd7 15.Qc2 Bc7 16.Rfe1 b6=+.

12.a4 Qd7 13.h3 (13.Rc1 Qe7 14.Qc2 Bc7 15.Ra1 Bd6 16.h3 Bh5-/+; 13.Re1 Bc7 14.Ba3 b6 15.Qb1 a6 16.Qb2 Rab8=+; 13.Qc1 Rad8 14.h3 Bf5 15.Ba3 b6 16.Qb2 a6=+; 13.Qe1 Rad8 14.Qc1 b6 15.Rd1 Qe6 16.Ba3 h6-/+; 13.Rb1 Bf5 14.Ra1 Rab8 15.Nh4 Be6 16.Rb1 Rbd8-/+; 13.Qc2 b6 14.Rae1 Bf5 15.Qc1 Ne4 16.Nh4 Be6-/+; 13.Qb1 b6 14.Qc1 Ne4 15.Qc2 Bf5 16.Ne4 Be4-/+; 13.Ne1 Be2 14.Qe2 Rab8 15.Nef3 Qg4 16.Qd1 Qg6-/+) 13...Bf5 14.Nh4 Be6 15.Nhf3 b6 16.Re1 Rad8=+.

12.a4 Bh5 13.Re1 Qd6 14.Ba3 Qc7 15.Qc2 Rab8 16.Qb2 b6=+.

12.Qc1 A) 12...Qd7 13.a4 (13.h3 Bf5 14.Nh4 Be6 15.Nhf3 Bc7 16.Rd1 Bf5=+; 13.Re1 Ne4 14.h3 Nd2 15.Qd2 Bf5 16.Ba3 Qe6=+; 13.Rd1 Qe6 14.Ba3 Rab8 15.h3 Bf5 16.Nh4 Be4=+; 13.Bd1 a6 14.Bc2 b5 15.a4 b4 16.cb4 Nb4=+) 13...Rad8 14.h3 Bf5 15.Ba3 b6 16.Qb2 a6=+; B) 12...Qc8 13.Bd1 (13.Rd1 Rb8 14.h3 Bf5 15.Ba3 Bc7 16.Nh4 Be6=+; 13.Re1 Bc7 14.Ba3 Rb8 15.Qb2 Qe6 16.Rad1 h6=+; 13.h3 Bf5 14.Ba3 Qe6 15.Qb2 Rab8 16.Ng5 Qd7-/+; 13.a4 Bc7 14.Ba3 Qd7 15.Qb2 b6 16.h3 Bf5=+) 13...Bf5 14.Bc2 b5 15.Qb1 Bc2 16.Qc2 Qe6=+; C) 12...Ne4 13.h3 (13.Qc2 Bf5 14.Ne4 Be4 15.Qc1 Bc7 16.Ba3 Qf6-/+; 13.Rd1 Qf6 14.Qc2 Bf5 15.Ne4 Be4 16.Qd2 Bc7-/+; 13.Re1 Bc7 14.Ba3 Rb8 15.h3 Bh5 16.Ne4 de4-/+; 13.Bd1 Bc7 14.Ba3 b5 15.Qc2 Bf5 16.Ne4 Be4-/+; 13.a3 Qf6 14.Re1 Bc7 15.a4 Na5 16.Ra2 Nd2-/+; 13.a4 Qf6 14.Qc2 Bc7 15.Ne4 de4 16.Ne1 Qd6-/+; 13.Rb1 Qf6 14.Bd1 Bf5 15.Bc2 Bc7 16.Ne4 Be4-/+) 13...Bh5 14.Re1 b5 15.a4 a6 16.ab5 ab5=+.

12.Rc1 A) 12...Bc7 13.Ba3 (13.h3 Bf5 14.Ba3 b5 15.Nh4 Be6 16.Nhf3 a5-/+) 13...Bf5 14.Nh4 Bc8 15.Nhf3 Ne4 16.Ne4 de4=+; B) 12...Qd7 13.Re1 (13.a4 Qd6 14.Rb1 Bf5 15.Ra1 Ne4 16.Ne4 Be4-/+; 13.h3 Bf5 14.Ba3 b5 15.Bc5 Bb6 16.Re1 Ne4-/+; 13.Ba3 Rad8 14.Qc2 Bc7 15.Rfe1 b6 16.Qb2 a6-/+) 13...Bc7 14.Ba3 Rad8 15.Qc2 Bf5 16.Qb2 b6=+; C) 12...Qd6 13.h3 (13.Ra1 Bc7 14.Qc1 Ne4 15.Ba3 Qf6 16.Qb2 b5-/+; 13.a4 Bc7 14.h3 Bf5 15.Ra1 Ne4 16.Ne4 Be4-/+; 13.Qa4 Ne4 14.Rfd1 Bc7 15.h3 b5 16.Qa3 Nd2-/+; 13.Qc2 Bc7 14.h3 Bh5 15.Rcd1 Ne4 16.Rfe1 b5-/+) 13...Bf3 14.Nf3 Ne4 15.Qc2 Bc7 16.Rb1 Ng5=+; D) 12...Qe7 13.Ne5 (13.Qc2 Bc7 14.Rce1 Bd6 15.h3 Bh5 16.Nh4 Be2-/+; 13.h3 Bf5 14.Nh4 Be6 15.Qc2 Bc7 16.Rfd1 b5-/+) 13...Be2 14.Nc6 bc6 15.Qe2 Rab8 16.Rb1 Bc7-/+.

12.Qc2 A) 12...Qd6 13.Rae1 (13.a3 Ne4 14.Ne4 de4 15.Ng5 Be2 16.Qe2 h6-/+; 13.Rfd1 Bc7 14.h3 Bh5 15.Qc1 Ne4 16.Ba3 Qh6-/+; 13.Rfe1 Ne4 14.a4 Bc7 15.Ba3 Qh6 16.Rab1 b6-/+; 13.Rad1 Bc7 14.h3 Bh5 15.Qc1 Qe6 16.Ng5 Qf5=+; 13.h3 Bh5 14.Qc1 Ne4 15.Bd1 Nd2 16.Qd2 Bc7-/+) 13...Bc7 14.h3 Bh5 15.Qc1 Qe6 16.Ba3 Rab8=+; B) 12...Qe7 13.Rfe1 (13.h3 Bh5 14.Qf5 Bg6 15.Qg5 Qd6 16.Rfe1 h6-/+; 13.a3 Qe6 14.Ng5 Qc8 15.Rfe1 Bf5 16.Qd1 h6-/+) 13...Bc7 14.a4 Bd6 15.h3 Bh5 16.Nh4 Be2=+; C) 12...Ne4 13.Rfd1 Qd6 14.Ne4 Re4 15.Bc4 Bf3 16.gf3 Rh4=+; D) 12...Bh5 13.Rae1 (13.Rfd1 Qd6 14.Qf5 Bg4 15.Qc2 Bc7 16.h3 Bh5-/+; 13.Rad1 Qd6 14.Qc1 Ne4 15.Rfe1 Bc7 16.Ba3 Qh6-/+; 13.Rac1 Bg6 14.Qa4 Qd7 15.Ne5 Ne5 16.Qa5 Nd3-/+; 13.Qd1 Qe7 14.Qc1 Ne4 15.Re1 Qd6 16.Ba3 Qh6-/+; 13.Rfe1 Qd6 14.Qc1 Ne4 15.Ba3 Qh6 16.Ne4 de4-/+; 13.a3 Bg6 14.Qd1 Bc7 15.Nh4 Be4 16.Ne4 Ne4=+; 13.Rfc1 Qd6 14.Qf5 Bg4 15.Qc2 Ne4 16.Ne4 de4-/+) 13...Qd6 14.Qc1 Ne4 15.Ba3 Qh6 16.Ne4 de4=+; E) 12...Qd7 13.Rfd1 (13.Rae1 Bf5 14.Qc1 b5 15.Ba3 Rab8 16.Bc5 b4-/+; 13.Rfe1 Bf5 14.Qd1 b5 15.Nh4 Be6 16.Nhf3 Rab8-/+; 13.a4 b6 14.Rae1 Bf5 15.Qc1 a6 16.Ba3 Ne7=+; 13.Qc1 Rad8 14.h3 Bf5 15.Ba3 a6 16.Qb2 b6=+; 13.Qd1 Bc7 14.Ba3 Rad8 15.Rb1 Ba5 16.Rc1 b6-/+; 13.Rad1 b5 14.Qc1 Rab8 15.Ba3 Qe6 16.Ng5 Qf5-/+; 13.Qb1 b5 14.Qc1 Rab8 15.h3 Bf3 16.Bf3 b4=+; 13.Rfc1 Bf5 14.Qd1 Bc7 15.Ba3 Rab8 16.Nh4 Bg4-/+) 13...Bf5 14.Qc1 Bc7 15.Ba3 b6 16.Qb2 a6=+.

12.Qe1 Rb8 13.h3 (13.a4 Qd7 14.Qc1 b6 15.h3 Bf5 16.Nh4 Be6-/+; 13.Qc1 Ne4 14.h3 Bh5 15.Qc2 Qd6 16.a4 Bg6-/+; 13.a3 b5 14.Qd1 Qd6 15.Re1 a6 16.a4 b4-/+; 13.Qd1 b5 14.a3 Bc7 15.h3 Bf5 16.a4 b4-/+; 13.Qb1 Ne4 14.Qc2 b5 15.Ne4 de4 16.Ne1 Be2-/+) 13...Bf5 14.Qc1 b5 15.Nh4 Be6 16.Nhf3 b4-/+.

12.Re1 A) 12...Qd7 13.Qc2 (13.Qc1 Rad8 14.Rd1 b6 15.h3 Bf5 16.Nh4 Be6=+; 13.Ng5 Be2 14.Qe2 h6 15.Ngf3 b5 16.a4 b4=+; 13.Rc1 Bc7 14.Ba3 b5 15.Bc5 Rab8 16.a4 ba4=+; 13.a3 Bc7 14.a4 Rad8 15.Ba3 Ba5 16.Qc2 b6=+; 13.a4 Rad8 14.Rc1 Bc7 15.Ba3 b6 16.Rb1 Bf5=+; 13.h3 Bf5 14.Nh4 Be6 15.Nhf3 Bc7 16.Ba3 a6=+; 13.Rb1; 13.Rf1) 13...Bf5 14.Qc1 Ne4 15.Ne4 Be4 16.Nd2 Bf5=+; B) 12...Qd6 13.Qc1 (13.a3 Bc7 14.h3 Bf5 15.a4 Ne4 16.Ne4 Be4-/+; 13.Qa4 b5 14.Qc2 Ne4 15.a4 Nd2 16.Qd2 b4=+; 13.a4 Qe6 14.h3 Bh5 15.Qc1 b6 16.e4 Ne4=+; 13.Qc2 Ne4 14.a4 Bc7 15.Ba3 Qh6 16.Rab1 b6-/+) 13...Ne4 14.Ba3 Qh6 15.Ne4 de4 16.Nd2 Be2=+; C) 12...Qe7 13.Ne5 (13.Qa4 Qe6 14.Ne5 Be2 15.Nc6 Qc6 16.Qc6 bc6-/+) 13...Ne5 14.de5 Be2 15.ef6 Bd1 16.fe7 Bg4=; D) 12...Qc8 13.Rc1 (13.h3 Bf5 14.Nh4 Be6 15.Nhf3 Bc7 16.Ba3 Qd7=+) 13...Bc7 14.Ba3 b6 15.Ra1 Qa6 16.Qb3 b5=+; E) 12...Bc7 13.Ba3 Bf5 14.Nh4 Bd7 15.Nhf3 Rb8 16.Qc2 Qc8=+; F) 12...Rb8 13.Qc2 Qd6 14.a4 Qe6 15.Ba3 b6 16.Qb2 a6=+; G) 12...Qb6 13.Qc1 Rad8 14.h3 Bf5 15.Nh4 Be6 16.Nhf3 Qc7=+; H) 12...b5 13.Qc2 (13.h3 Bf5 14.Nh4 Bd7 15.Nhf3 Ne4 16.Qc1 Bf5-/+) 13...Qd7 14.Ba3 Bf5 15.Qc1 Rab8 16.Bc5 b4-/+.

12.h3 A) 12...Bh5 13.a4 (13.Rc1 Qe7 14.Qa4 Qd7 15.Qd1 Qe6 16.Ba3 a6-/+; 13.a3 Bc7 14.a4 Bg6 15.Ba3 b6 16.Re1 Bb8=+; 13.Re1 Qd6 14.Qc1 Ne4 15.Bd1 Bg6 16.Ba3 Qf6=+; 13.Qc2 Qe7 14.Qc1 Ne4 15.Bd1 Bg6 16.Ne4 Be4-/+; 13.Qe1 Qe7 14.Qc1 Ne4 15.Re1 Rad8 16.Bd1 Bg6-/+) 13...Qc7 14.Re1 Rad8 15.Qc1 b6 16.Ba3 Qd7=+; B) 12...Bf5 13.a4 (13.Qc1 Bc7 14.Ba3 b5 15.Qb2 Rb8 16.Nh4 Be6-/+; 13.Nh4 Bd7 14.Nhf3 Qe7 15.Re1 b5 16.Qc1 Ne4-/+; 13.Re1 b5 14.Nh4 Bd7 15.Nhf3 Ne4 16.Qc1 Bf5-/+) 13...Qb6 14.Qc1 Qc7 15.Ba3 Rab8 16.Qb2 Qd7=+.

10.a3 Ba5 11.Qc2 Bg4 =+.

10.Qb3 Ba5 11.a3 Qd6 12.Qd3 (12.a4 Bf5-/+) 12...Bg4-+ 13.g3 (13.ed4 cd4 14.Re1 Bc7-+) 13...Qd7 14.h4 (14.Qb3 h5-+) 14...h6 (better is 14...Ne4-+) 15.Qc2? (15.Bd1-+) 15...d3! 16.Bd3 (16.Qd3 Qd3 Combination; 16.Bd3 Bf3 Deflection) 16...Bf3 17.Bf5 Qd6 18.Nc3 Bc3 19.Qc3 Rad8 20.d3 (20.Rab1 b6-+) 20...Qe5 (better is 20...Re3! 21.Rae1 Be2 22.Qd2 Rg3 23.fg3 Qg3 24.Kh1 Bf3 25.Rf3 Qf3 26.Qg2 Qf5 27.Rf1-+) 21.Qe5 Ne5 (21...Re5?! 22.Be5 Ne5 23.a4-+) 22.Rfb1 b6 (better is 22...Nd3!? 23.Bf6 gf6 24.Ra2-+) 23.Bh3 (23.a4 Nd3 24.Bf6 gf6-+) 23…Rd3 0–1. Frech,Josef (1825) – Schueler,Wolfgang (1995), Wch Seniors, 1998.

10.Qb3 Rb8 =+.

10.Qc2 Ba5 11.a3 Bg4 12.Re1 Qd6 13.Qd3 Bc7-/+ 14.g3 Bf3 15.Bf3 Ne5 16.Qe2 d3 17.Qd1-/+ Nc4 18.Bc3 Rab8 19.a4 Ne4 20.Be4 Re4 21.Na3 Na3 22.Ra3 Qg6 23.a5 h5 24.Ra4-/+ h4 25.Re4 Qe4 26.Qh5 hg3 27.fg3 Bd6 28.Rf1 (28.Rf1 Qe6 29.Qg5-/+). Mroz,Antoni – Yakovlev,N, corr 6–7 ICCF CUP–sf, 1994.

10.Qc2 Ba5 11.a3 Bg4 12.h3 Bh5 13.Re1 Qd6 14.Qf5 Bc7 15.a4 g6 16.Qg5-/+ Ne4 17.Qh4 Bf3 18.Bf3 Qh2 19.Kf1 d3 (20.g4 Bg3 21.Qg3 Ng3 22.fg3 Qh3 23.Kf2 Qh2 24.Bg2 Qh6-+) 0–1. Scheller,Claus Dieter – Muuss,Klaus, Schleswig Holstein–ch qual, 1995.

10.Qc2 Bg4 11.a3 Ba5 =+.

10.Qc2 Bg4 11.Bd3? Ba5 (11...Bf3 12.gf3 Ne5 13.Kg2-+) 12.a3? (better is 12.Be2-/+) 12...Bf3-+ 13.gf3 Ne5 14.f4 (14.Kg2 Qd7 15.Rg1 Qc6-+) 14...Nd3 (better is 14...Nf3 15.Kh1 Qd7-+) 15.Qd3 de3 16.Qd8 ef2 (16...Bd8?! 17.de3 Re6 18.Nc3+=; 16...Red8?! 17.de3 Ne4 18.Kg2-/+; 16...Rad8?! 17.de3 Ne4 18.Rc1-/+) 17.Rf2 Rad8 (17...Bd8?! 18.Nc3-/+; 17...Red8?! 18.Bf6 gf6 19.Nc3-+) 18.Rg2 (18.Bf6 Re1 19.Rf1 Rf1 20.Kf1 gf6-+) 18...Nh5 19.Rg5 (19.Kf1 Re4 20.Rg5 Rf4 21.Kg2 g6 22.Rc5 Bb6-+) 19...g6 20.Kf1 (20.f5 Nf4 21.Kh1 Nd3-+) 20...Bd2 21.Nd2 Rd2 22.Re5 Red8 (22...Rb2?! 23.Re8 Kg7 24.Rae1-/+) 23.Bc3 Rc2 24.Re3 Rh2 (24...f5 25.Rae1 Nf4 26.Bf6-+) 25.Kg1 Rc2 26.Rae1 (26.Rb1 b6-+) 26...f6 27.f5 (27.Rf1 Ra2-+) 27...Rd7 (27...gf5!? 28.R1e2 Re2 29.Re2-+) 28.fg6 hg6 29.a4 Kf7 30.Rf1 (30.Rh3 Ra2 31.a5 Ra4-+) 30...g5 31.a5 (31.Rf2 Rd1 32.Rf1 Rf1 33.Kf1 Nf4-+) 31...Nf4 32.Rfe1 (32.Be1-+) 32...Ng2 33.R3e2 Ne1 (33...Ne1 34.Re1 Rc3-+) 0–1. Jonsson,Pall G (1830) – Ahlander,B (2380), Reykjavik Open, 2015.

10.Qc2 Bg4 11.Re1 Ba5 12.a3 Qd6 13.Ng5?? Be2-+ 14.Re2 d3 (14...d3 15.Qd1 de2 16.Qe2 Ne5-+) 0–1. Da Silva Junior,Marco Aurelio (1710) – Carstens,Dobuchak (2045), Brasileiro Infanto–Juvenil, 2017.

10.Qc2 Bg4 11.h3 Bh5 12.Qc1 (12.a3 Ba5=+) 12...Ba5 (12...Ne5 13.Ne5 Be2 14.Re1=+) 13.d3 (13.Qc2 Ne5 14.Ne5 Be2-/+) 13...Qd6 (13...Ne5 14.g4 Bg6 15.Ne5 Re5 16.Nd2-/+) 14.e4 (14.Na3 Nb4 15.Nb5 Qe7-/+) 14...Bc7 15.Nbd2 Ne5 16.g3 Rab8 (16...Ba5 17.g4 Bg6 18.Nh4=+) 17.Rb1 Nfd7 (17...Ba5 18.g4 Bg6 19.Nh4=+) 18.Qd1=+ Nf3 (18...f5 19.Nd4 Be2 20.Ne2 Nd3 21.f3-/+ (21.ef5? Nb2 22.Rb2 Qe5-+)) 19.Nf3 b5 20.cb5 Rb5 21.Qc2 Reb8 22.Ba3 Rb1 23.Rb1 Rb1 24.Qb1 Bf3 (24...Qa6 25.Qb3 Bd6 26.Qd5 Bf3 27.Bf3=+) 25.Bf3= Qb6 (25...Qa6 26.Bc1=) 26.Qb6 ab6 27.Be2 Kf8 ½–½. Bonetti,Shane – Dorer,Manfred, T15–09 ETC, 2003.

10.Qc2 g6 11.Na3 a6 12.h3 Qa5 13.Nb1= Qd8 14.Na3 Bf5=+ 15.Bd3 Ba3 16.Ba3 Bd3 17.Qd3 de3 18.Qd8 ef2 19.Rf2 Rad8 20.Bc5 Ne4 21.Bb6 Nf2 22.Bd8 Nh3! 23.gh3 Nd8 24.Kf2=+ Kf8 25.d4 h6 26.d5 Re4 27.Rc1 Ke7 28.c5= Kd7 29.Rc4 Rc4 30.Ne5 Ke7 31.Nc4 f5 32.h4 g5 33.hg5 hg5 34.Ke3 Kf6 35.Kd4 g4-/+ 36.Ne5 g3 37.Nf3 Nf7 38.Ne1 Kg5 39.c6 bc6 40.dc6 Kf6 41.Ke3=+ ½–½. wiking – technicaldraw, internet, 2009.

10.d3 de3 11.fe3 Re3 12.Rf2? Ng4 13.Bc1 (13.Nbd2-+) 13...Nf2 14.Kf2 Rf3! 15.Bf3 (15.Bf3 Qd4 Double attack; 15.Kf3 Qf6 Double attack; 15.gf3 Qd4 Double attack) 15…d4 (15...Qd4 16.Be3 Qa1-+) 0–1. Flewelling,Heather – Harris,Richard, GB/TT1/D3 (ENG), 2011.

10.Bd3 Ba5 11.a3 Bc7 12.Bc2 Bg4-/+ 13.d3 Qd6 14.Nbd2 Ne5 15.Re1-/+ Nf3 16.Nf3 Bf3 17.Qf3 Qh2 18.Kf1 Re6 19.e4 Nh5-+ 20.Qh3 Qh3 21.gh3 Nf4 22.Bc1 Nh3 23.Ke2 Rf6 24.f3 Rg6 25.Bd2 Rg2 26.Kd1 Rf2 (26...Rf2 27.Rb1 Rb8-+) 0–1. Thorsell,R – Andersson,Bernt Ingemar, corr SSKK Sweden, 1981.

10.Bd3 Bg4 11.a3 Ba5 12.Qb3 Bf3 13.gf3 Ne5 14.Be2 d3 15.Bd1 Qb6 -/+.

11.a3 Ba5 12.d3? Qe7-+ (12...Qe7 13.Nd4 Nd4 14.Bd4 Qe2 15.Qe2 Re2-+) 0–1. Kern,Michael – Kreuzer,Uwe, corr 3GMM–56, 1994.

11.a3 Ba5 12.Bd3 Bg4 13.h3 Bf3 14.Qf3 Ne5 15.Qg3 Nh5 16.Qh2 Nd3 17.Bc1 Nhf4 18.Qg3 (18.Kh1 Ne2 19.a4 Ndc1 20.c5-+) 18...Ne2 19.Kh2 Bc7 20.Qc7 Qc7 21.g3 Ng3! 22.fg3 (22.fg3 Re2 Mate attack) 22...Re2 23.Kg1 (23.Rf2 Rf2 24.Kh1 Qc6 25.Kg1 Qg2#) 23…Qg3 (23...Qg3 24.Kh1 Qg2#) 0–1. Neumann,Frank – Mueller_Toepler,Michael (1640), SES001 Lechenicher SchachServer, 2011.

11.a3 Ba5 12.Bd3 Bg4 13.h3? Bf3 14.Qf3 Ne5 15.Qg3 (15.Qe2 Qb6 16.Bc1-+) 15...Nh5 16.Qh4 (16.Bh7 Kh7 17.Qb3-+) 16...Qh4 17.a4 Nd3 (17...Nf3! 18.gf3 Qg5 19.Kh1 Nf4 20.Rg1 Re1 21.Bh7 Kh7 22.Re1 Qg2) 18.Bd4 Qd4 19.Na3 Nf2! 20.Rab1 Ng4 21.Kh1 (21.Rf2 Qf2 22.Kh1 Ng3) 21…Ng3 0–1. Neumann,Frank (1635) – Dammer,Axel (2400), RSS7E–102 remoteschach.de, 2010.

11.a3 Ba5 12.Re1 =+.

11.d3 Qd6?? 12.Nbd2 (12.a3 Ba5 13.Nbd2 Bg4=+) 12...Bf5 (12...Bg4 13.a3 Bc3 14.Ra2-/+) 13.Nb3 Increasing the pressure on the isolated pawn on d4 (13.Re1 Re7=+) 13...Bc3 14.Rb1 (14.Bc3 dc3 15.Rc1 Nb4=+) 14...Rad8-/+ 15.Bc1 (15.Nc1 Bb2 16.Rb2 Re7-/+) 15...h6 (15...Re7 16.c5 Qd7 17.Bf4-/+) 16.Nbd2 (16.Bd2 Re6-/+) 16...Nb4 (16...Rd7 17.Rb5 Bg4 18.h3=+) 17.Ba3=+ a5 18.Re1 (18.Nh4 Bd7=+) 18...Qc7 (better 18...Qa6-/+) 19.Qb3? (19.Bb4!? Bb4 20.Rb3=+) 19...Re2! 20.Re2 Bd3 21.Ree1?? (better 21.Bb4 ab4 22.Ree1-/+) 21…Bc2-+ (21...Bc2 22.Bb4 Bb3 23.Bc3 Ba2 24.Bd4 Bb1 25.Bf6 gf6 26.Rb1 a4-+; 21...Bb1?! 22.Rb1 Qf4 23.Rd1-/+) 0–1. Djurisic,Dusan (1925) – Ivanovic,Marko (2100), Beograd SER, City Team Championship, 2017.

11.d3 Qe7 12.Nd4 Nd4 13.Bd4 Qe2 14.Nc3 Bc3 15.Bc3 Bf5 16.Qe2 Re2 17.Rfd1 (17.Bf6 gf6 18.d4 Rc8-+) 17...Rd8 18.d4 (18.Bf6 gf6 19.h3 Rd3-+) 18…Rc8 0–1. Zaichenko,Andrey (1800) – Nent,Alexander (1805), FICGS, 2007.

11.d3 Bg4 12.a3 Bc5 13.Nbd2 (13.Re1 Qb6 14.Bc1 Re6=+) 13...Qd7 (13...Re6 14.h3 Bh5 15.Re1=+) 14.Nb3=+ The pressure on the isolated pawn grows 14...b6 15.Re1 Rad8 (15...Re7 16.h3 Bh5 17.Qd2=+) 16.h3= Bf5 17.Nh4 Be6 18.Nf3 Bf5 19.Bf1 (19.Nh4 Re7=) 19...Re1 20.Qe1 h6 (20...Re8 21.Qd2=) 21.Qd2 (21.Ne5 Qe6 22.Nc6 Qc6=) 21...a5 (21...Qd6 22.Be2=) 22.Nc5 bc5 23.a4 (23.Re1 Re8=) 23...Rb8=+ 24.Ba3 Qd6 25.Qf4?? (better 25.Re1=+) 25…Qf4-+ 0-1. minnesotawild (2320) - boye (2185), Rated Blitz game, lichess.org, 2016.

11.d3 Bg4 12.Re1?? Bd6 (better 12...Be1 13.Qe1 Qe7-+) 13.h3 (13.Nbd2 Bc5=+) 13...Bh5 (13...Qb6 14.Bc1 Bf3 15.Bf3 Re1 16.Qe1-/+) 14.Nbd2= (14.Nd4 Nd4 15.Bh5 Qb6 16.Bd4 Qd4-+) 14...Qc7 (14...Bb4 15.a3 Ba5 16.Rc1=+) 15.Nb3 Increasing the pressure on the isolated pawn on d4 (15.Nd4 Bh2 16.Kh1 Be5+=) 15...Ne7 (better 15...Bb4 16.Nfd2 Be2 17.Re2 Re2 18.Qe2 Re8=+) 16.Nbd4 Ng6? (16...Bb4 17.Nd2+/-) 17.Nf5 (17.Nb5 Qe7 18.Bf6 Qf6 19.Nd6 Qd6+-) 17...Bf8 (17...Nf4 18.Bf6 gf6+/-) 18.d4?? (better 18.Bf6 gf6 19.g4+-) 18...Nf4= 19.Bf1 Re1 20.Qe1 Nh3 21.gh3 Bf3 22.Bg2 (better 22.d5!? Re8 23.Qc3=+) 22...Re8 (22...Bg2!? 23.Kg2 Qc4-+) 23.Qc3-/+ Bg2 24.Kg2 Ne4 25.Qf3 (25.Qc2 Qc6 26.Ng3 Nd6 27.d5 Qc5-/+) 25...Qc4 26.Rc1 (26.Re1 Qa2 27.Re4 Re4 28.Qe4 Qb2 29.Qe8=) 26...Qa2-+ 27.Ba1? (27.Rc2 b5-+) 27...Qe6 (better 27...Nf2!? 28.Kg1 Ne4 29.Bc3-+) 28.Ne3 (28.Re1 Qg6 29.Qg4 Qc6-+) 28...Qg6 29.Qg4 Qf6 30.Nf5? (30.Rf1-+) 30...g6 31.Ng3 (31.f3 h5 32.Qf4-+) 31...Qf2 32.Kh1 Ng3 33.Qg3 Qg3 (33...Qg3 34.Rf1 Re2 35.Rf2 Re1 36.Rf1 Rf1) 0-1. OttawaSenators (2165) - AstanehChess (2635), Yearly Bullet Arena, 2018.

11.Bd3 Bg4 12.h3 Bf3-+ 13.Qf3 Ne5 14.Qe2 Rc8 15.Na3 Ba3 16.Ba3 Nc4!! 17.Bc4 Re2 18.Be2 Qa5 19.Bc1 Re8 20.Bf3 b6 21.a4 b5 22.Bc6 Rb8 23.d3 Rb6 24.Bf3 ba4 25.Bf4 Rb3 26.Rfc1 h6 27.Rc8 Kh7 28.Rac1 Rc3 29.Kf1 Rc8 30.Rc8 a3 31.Rc2 a2 (31...a2 32.Ra2 Qa2-+) 0–1. Wartig,Wolfgang – Wierzbicki,Jan Daniel, corr ICCF Cup, 1994.

11.Nd4 Nd4 12.Re1 Ne2 13.Re2 Bg4 14.f3 (14.Re8 Qe8 15.Qc1 Qe6-+) 14...Bc5 15.Kh1 Re2 16.Qe2 Bf5 17.Nc3 Bd3 18.Qe5 Bd4 19.Qb5 a6 20.Qb3 Rc8 21.Bc1 (21.Rc1 Bc4 22.Qd1 Nh5-+) 21...Bc4 (worse 21...Rc4 22.Qb7 Be5 23.h3-+) 22.Qb7 (22.Qc2 Nh5 23.g3 Qf6-+) 22…Bc3 (22...Bc3 23.Bb2 Rb8 24.Qb8 Qb8 25.Bc3 Nd5-+) 0–1. Zaichenko,Andrey – Moody,David, FICGS, 2008.

11.Re1 Bg4 12.h3 Bf3 13.Bf3 Qd6 14.Rf1 Ne5 15.d3 Re7 16.a4 a6 17.Ba3 (17.a5 Rae8-/+) 17...Rae8 18.Bb4 Qb4 19.Na3 Qc3 20.Be4 Ne4 21.de4 Nc6 (21...d3 22.Qb1-+) 22.Qf3 (22.f3 d3-/+) 22...d3 (22...Re4 23.Qc3 dc3 24.Rab1-+) 23.Rfc1 (23.Rfd1!? Nb4 24.Kh1-+) 23...Qd4-+ 24.Rd1 Nb4 (24...Qe4?! 25.Qe4 Re4 26.Rd3=+) 25.Rab1 Qc3 26.Ra1 Re4 27.Kh2 g6 28.Rdc1 Qe5 29.g3 Qc5 30.Nb1? (30.Kg2-+) 30...Re2 31.Kg2 Nc2 (31...Nc2 32.Nc3 Qc4 33.Ne2 A) 33...Re2?! 34.Rab1-/+ (34.Qb7 Qd4 35.Rf1 Na1 36.Qa6 Nb3 37.Qc8 Kg7-+); B) 33...de2 34.Qb7 e1Q 35.Re1 Ne1 (worse 35...Re1 36.Re1 Ne1 37.Kg1-+) 36.Kg1 Re2 37.Qb8 Kg7-+) 0–1. Honos,A (2205) – Kaczur,F (2455), TCh–HUN, 2018.

10.a3 Ba5 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 b6 14.d4 Ne4 15.d5 =.

10.a3 Ba5 11.Qc2 Nd7 12.d4 Bb6 13.Rd1 Qe7 14.Nc3 Nf6 15.dc5 Qc5 16.Na4 Qa5? 17.Bc3 Bf5 18.Qf5 Qa4 19.Bf6 gf6 20.cd5 Ne5 21.Ne5 fe5 22.Bh5 Re7 23.d6 Rd7 24.Qe5 Rc8 25.Qg5 Kh8 26.Bg4 Bd8 27.Bd7 Qd7 28.Qh6 Bb6 29.Qf6 Kg8 30.Rd5 (30.Rd5 Rc5 31.Rc5 Bc5 32.Qg5 Kf8 33.Qc5+–) 1–0. Gappel – Kucharkowski,Jens, Freital, 1986.

10.a3 Ba5 11.cd5 Bd5 12.Qc2 Qd6 13.Rc1 b6 14.Nc3 Bc3 15.Bc3 =.

10.Qc2 dc4 11.a3 Ba5 12.Bc4 Bc4 13.Qc4 b6 14.d4 Qd6 15.Rc1 =.

10.Qc2 dc4 11.a3 Ba5 12.Bc4 Bc4 13.Qc4 Qd6 14.Bf6 Qf6 15.Ra2 =+.

10.cd5 Nd5 11.a3 Ba5 12.Qc2 Bb6 13.Nc3 Nc3 14.Qc3 f6 15.Bc4 =.

10.cd5 Nd5 11.a3 Ba5 12.Ne5 Ne5+= 13.Be5 f6 14.Bb2 Qd6 15.Nc3 Bc7 16.Nd5?? Qh2# (16...Qd5?! 17.Rc1+=; 16...Bd5?! 17.f4+=) 0–1. Neumann,Frank (1635) – Hanel,Roland (2075), RSLE–2010, 2010.

10.cd5 Nd5 11.Qc2 Qe7 12.Rc1 b6 13.a3 Ba5 14.d4 Rab8 15.Bb5 +/-.

10.cd5 Nd5 11.d4 cd4 12.Nd4= Nd4 13.Bd4 a6 14.Bf3= Rc8 15.a3 Be7 16.Qd3= Nb4?? 17.ab4+– Bc4 18.Qd1 Bf1 19.Qf1 Qd7 20.Ra5 h6 21.Nc3 Bb4+/- 22.Nd5?? Ba5-+ 23.Nf6 gf6 (23...gf6 24.Qa1 Rc2-+) 0–1. Ten Bos,Heen – Incelli,Renato, corr ICCF theme4, 1990.

10.Na3 Bc7 11.c4 d4 12.e4 (12.ed4 Nd4 13.Nd4 cd4=) 12...Ng4 (12...Bf4 13.Bc1 Bc1 14.Qc1=+) 13.h3 Nge5 14.Ne5 Ne5 15.Nc2 Ng6 16.Bc1 Qh4 (16...f5 17.Bf3-/+) 17.Ne1 Nf4 18.Bf4 (18.Rb1 Qg5 (18...Ne2?! 19.Qe2 h6 20.Nf3=+) 19.Kh1 Qe5 20.Bf4 Qf4=+) 18...Qf4 19.g3 Qh6 20.Bg4 Bg4 (20...f5 21.ef5 Qf6 22.Rb1=+) 21.Qg4=+ Rad8 (21...Qd2 22.Qd7 Rac8 23.Rb1=+) 22.Ng2 Qg6 (22...Qd2 23.Rfd1 Qc3 24.Rab1=+) ½–½. Bungo,G – Oomen,MJGM, corr, 1991.

10.Na3 Bc7 11.c4= Ng4 12.Nb5 Bb8 13.h3 Nh6 14.Rc1 (14.cd5 Qd5 15.d4 a6=) 14...a6 (14...d4 15.ed4 a6 16.Na3 Nd4 17.Bd4 cd4 18.Nc2=+) 15.cd5= ab5 16.dc6 Ra2 17.Rc2 (17.c7 Bc7 18.Qc2 Bd6=+) 17...bc6=+ 18.Qb1 Qd5 19.Rfc1 Ba7 (19...Bd6 20.Nd2 Ra6 21.Ne4 Re4 22.de4 Qe4 23.Rd2 Qb1 24.Rb1= (< 24.Rd6 Qc1 25.Bc1 Kf8-/+)) 20.Nd2 (better is 20.Bg7!? Rc2 21.Rc2+/-) 20...Ra5 (20...Ra6!?=+) 21.Rc3 c4 22.Bf3 Qe6 (22...Qd6!?=+) 23.dc4= b4 24.Rd3 (24.Rb3=) 24...Rg5 (better is 24...Qg6!? 25.Be4 f5=+) 25.Ne4+/- Rg6 26.Nd6 Rf8 27.Be4 (< 27.Bc6 Bc5 28.Rcd1 Nf5 29.Nf5 Qf5+=) 27...Rg5 28.Rcd1 Qe7 (28...Bc5 29.R3d2 (< 29.Bc6 Nf5 30.Ne4 Rg2 31.Kg2 Qc6=) 29...Kh8 30.Kh1+/- (< 30.Bh7 f5=+)) 29.h4 (29.Rb3 Bh3 30.Bh7 Kh8+=) 29...Rg4 (29...Rh5 30.g3 (30.Bc6 Qh4 31.f3 Nf5-+) 30...Bg4 31.R1d2+=) 30.Bf3 Qh4 31.Nc8 (31.Bg4 Ng4 32.R3d2 Qh2 33.Kf1 Qh1 34.Ke2 Qg2 35.Nc8 Qf2 36.Kd3 Rd8 37.Kc2 Rd2 38.Rd2 Ne3 39.Kb3 Qd2 40.Na7 c5-+) 31...Rc8 32.Be5 (better is 32.Rd7 Bb8 33.Bg4 Ng4 34.Qf5+=) 32...Rc4? (better is 32...Bc5 33.Bg4 Ng4+/-) 33.Qa2+– Bc5? (33...Rc5 34.Bg3 Qg5 35.Qa7 Kh8+–) 34.Bg3 Qe7 (34...Qf6 35.Qc4 Be7 36.Qa6+–) 35.Qc4 Nf5 36.Rd7 Ne3 (36...Qf8 37.Bc7 Be7 38.Bc6+–) 37.fe3 Qe3 38.Kh1 Rf8 39.Bh2 b3 (39...Be7 40.Bc6 b3 41.Be4+–) 40.R7d3 Qh6 (40...Qe7+–) 41.Qc5 (41.Qc5 b2 42.Rd8+–) 1–0. Mukhin,Mikhail – Georgadze,Tamas, Simferopol, 1975.

10.Na3 d4 11.Nc4 Bb4 12.a3 =.

10.Na3 d4 11.Nc4 Bc7 12.Re1 =+.

10.Na3 Qe7 11.h3 a6 12.Nh2 (12.c4 d4 13.e4 Nd7-/+) 12...b5 13.Ng4 (13.c3 d4 14.cd4 Nd4-/+) 13...Ng4 14.Bg4 d4 (14...Bc7 15.Qf3 Bg4 16.Qg4-/+) 15.ed4 (better is 15.e4!?-/+) 15...Bg4-+ 16.Qg4 Nd4 17.Bd4 cd4 18.Nb1 Qe2 (18...Qb4 19.Qd1-+) 19.Qe2 (19.Rc1 Bb6-+) 19...Re2 20.Rc1?! (20.a4 b4 21.Rd1-+) 20...Rc8 21.a4 (21.g3 Rec2 22.Rc2 Rc2-+) 21...b4 22.Ra2 (22.g4 Rcc2 23.Rf1 Bd8-+) 22...b3! 23.Rb2 (23.cb3 Rc1 Double attack (23...Rc1 Pinning; 23...Rc1 Deflection)) 23...Rec2 24.Rbc2 Rc2 (24...bc2?! 25.Na3+=) 25.Rd1 b2 26.Kf1 Bb4 27.f3 (27.h4 f6-+) 27...g6 28.h4 (28.g4 Kg7-+) 28...Kg7 29.g3 (29.g4 Kf6 30.f4 h5-+) 29...Kf6 30.g4 (30.a5 Ke6 31.Kg1 Rc1-+) 30...Ke5 31.a5 Rc1 32.Ke2 Kf4 33.Rf1 Rf1 34.Kf1 Kf3 0–1. Vieira,Icaro AG (2060) – Jacome,Fernando Almeida, Rio de Janeiro BRA, Max Euwe Mem, 2014.

10.a4 d4 11.e4-/+.

10.a4 h6 11.Nbd2=+ Bf5 12.h3 (12.Nb3 Bb6=) 12...Qd7 (12...Bc7 13.Nb3 Bd6 14.Qd2=+) 13.Bf6 (13.Nb3 Qd6=) 13...gf6=+ 14.Nh4 Bh3 (14...Bh7 15.Rb1=+) 15.e4 (better 15.gh3!? Qh3 16.Ng2+–) 15...Kh7 (15...Be6 16.ed5 Bd5 17.Bg4=) 16.ed5= (16.gh3?? Qh3 17.Bg4 Qh4-+) 16...Nd4 17.Ne4 Bd8 18.Re1?? (better 18.gh3!? f5 19.Ng2 (19.Nc5? Qd5 20.Bf3 Qc5-+) 19...fe4 20.de4 Ne2 21.Qe2 Qd5 22.ed5 Re2 23.c4=) 18...Rg8 (18...f5 19.Nf5 (19.Nc5 Qd5 20.Bf3 Re1 21.Qe1 Qc5 22.Bb7 Rb8-+) 19...Bf5 20.Bh5 Qd5 21.c3-+) 19.g3? (19.Kh2 f5 20.Kh3 Bh4 21.Kh4 (21.Nc5 Qd6 22.Ne4 fe4 23.de4 Qf4-+) 21...fe4 22.de4 Rg2 23.Bg4-+) 19...f5-+ 20.Nc5 (20.Nf5 Bf5 21.Bh5 Qd5-+) 20...Ne2 (20...Qc7 21.Ng2 Rg3 22.fg3 Qg3 23.Bf1-+) 21.Qe2 (21.Re2?? Qd5 22.c4 Qc5-+) 21...Qd5 22.Kh2 Bg4 (22...Bh4 23.Kh3 Bf6-+ (23...Qc5?! 24.gh4 Rg4 25.f3-/+)) 23.f3?? (better 23.Qe5 Qc6 24.Rab1-+) 23...Bh4 (worse 23...Qc5 24.Ng2 Bf6 25.fg4 Ba1 26.Ra1 Rg4 27.Qe3-+) 24.Ne4 fe4 25.de4 (25.fg4 ed3 26.Qd3 Qd3 27.cd3-+) 25…Qe5 (25...Qe5 26.fg4 Qg3 27.Kh1 Rg4 28.Rg1 Qh3 29.Qh2 Qf3 30.Rg2 Rag8 31.Ra3 Qe4 32.Re3 Qe3 33.Qg1 Qe4 34.Qf1 Rg2 35.Qf7 R2g7 36.Qf3 Qf3 37.Kh2 Qg2) 0–1. retiponziani (2060) – fastneal (1910), ChessWorld.net, 2019.

10.c3 Bc7 11.Nbd2 Qd6 12.h3 Bf5 13.Re1 (13.Qb3 Rab8=+). Haertig,Manfred – Zimmer,Frank, PCM–2003–G4 TSC, 2003.

10.Qd2?? (obviously writing error) Bd2-+ 11.Nbd2 d4 (12.e4 Nh5-+) 0–1. Cottarelli,Franco – Ruhle,Ernst_Olav, corr ICCF TT–6–02–1, 2003.

10.Nbd2 b5 11.Nb3= Bb6 12.c4 dc4 13.dc4 b4 14.Qc2 (14.Qd8 Rd8 15.Ng5=) 14...Be6 (14...Qe7!?=+) 15.Rad1 (15.Ng5 g6 16.Rad1 Qe7+=) 15...Qe7 16.Ng5 h6 (better 16...g6!?+=) 17.Bf6+– (17.Ne6?! Qe6 18.Bf6 Qf6=) 17...Qf6 18.Qh7 Kf8 19.Ne6 fe6 (19...Qe6!? 20.Rd5 Rad8 21.Nc5 Bc5 22.Rc5 Ne7+–) 20.Rd7+– Ne7 (better 20...g6 21.Qh6 Kg8+–) 21.Bh5 (21.Rfd1 Qg6 22.Qg6 Ng6+–) 21...g6 (21...Red8!? 22.Qh8 Ng8+–) 22.Qh6+– Qg7 (22...Kg8 23.Rfd1+–) 23.Qg7 Kg7 24.Bg4 Kf6 (24...Rad8 25.Be6 Kf6 26.Bg4+–) 25.Rfd1 Nf5 (25...Nc6 26.Nd2 Rad8 27.Ne4 Ke5+–) 26.Bf5 (better 26.Bf3!? Rab8 27.Nd2+–) 26...ef5 27.Kf1 a5 (27...Rac8 28.h4+–) 28.R1d6 Re6 29.Re6 (29.Nc1 Ra7+–) 29...Ke6 30.Rb7 Ra6 31.Ke2 a4 32.Nc1 Bd8 (32...b3 33.ab3 a3 34.Na2+–) 33.Kd1 (33.Nd3 Be7+–) 33...Bf6 (33...b3 34.ab3 a3 35.Na2+=) 34.Kc2 (34.Nd3 Kd6+–) 34...g5 (34...b3 35.ab3 a3 36.Na2+–) 35.Rb5 (better 35.Nd3 Be7 36.Rb5+–) 35...Rd6? (better 35...b3!? 36.ab3 a3+–) 36.Nd3+– Kf7 (36...b3 37.ab3 ab3 38.Rb3+–) 37.Nc5 Bc3? (37...Rc6+–) 38.Nd3 Kf6 (38...Rh6 39.h3 Rh4 40.Rf5 Bf6 41.f4+–) 39.Nb4 Be1 (39...Be5 40.Nd5 Kf7 41.Rb7 Kg6 42.Ne7 Kf6+–) 40.Nd3 Rc6 (40...Rd3 41.Kd3 Bf2 42.c5+–) 41.c5 1–0. Karathanasi,Eirhnh (1710) – Petraki,Argiro (1630), Greek Youth Championship G16, 2017.

10.Nbd2 Bb6 11.c4 d4 12.ed4 cd4 13.Nb3 a5 14.a4 Bg4 15.Re1 Qd6 16.Qd2 Rab8 17.Rab1 Ra8 18.h3 Bh5 19.Rbc1 Bc7 20.c5 Qd7 21.Nfd4 Nd4 22.Nd4 Be2 23.Ne2+/- Re6 24.Nd4+– Ree8 25.Nb5 Nd5 26.Re8 Re8 27.Nc7 Nc7 28.Qa5 Re6 29.Qb4 Nd5 30.Qb5 Qc8 31.Rc4 Re1 32.Kh2 Qb8 33.g3 Re2 34.Bd4 Nc7 35.Qd7 Re6 36.Rb4 Na6 37.Rb7 Qf8 38.Rb6 Re7 39.Qf5 h6 40.Ra6 Re8 41.Ra7 Rd8 42.c6 Qe8 43.c7 Rc8 44.Rb7 Kh8 45.Qc8! Qc8 46.Rb8 Qg8 47.Rg8 Kg8 48.c8Q Kh7 49.Qf5 Kg8 50.Qg4 f6 51.Bf6 Kf7 52.Qg7 Ke6 53.Qe7 Kd5 54.Be5 Kc6 55.Qc7 Kd5 56.Qd6# 1–0. bambinik (2495) – forcabarca (2490), 2003.

10.Nbd2 Qd6 11.Nb3 Bb6 12.Ba3 Ne5 13.d4 Nf3 14.Bf3 Bc7 15.g3 Qa6 16.Bc5 b6 17.Bb4 Qa4 18.Bd2 Bh3 19.Re1= Rac8 20.Be2 Bd6 21.Bd3 Qd7 22.a4 Ne4 23.f3 Nd2 24.Bb5 Qc7=+ 25.Nd2? Re6 26.f4=+ Qe7 27.Ba6 Rc3 28.Nf1 f5 29.Qf3+= Rc2 30.Qd5 Bg2 31.e4 Bf3? 32.Re3 fe4 33.Rf3 ef3 34.f5 Rg2 35.Kh1 Rge2 36.fe6 Rf2 37.Rc1 h6 38.Rc6 (38.Rc6 Bg3 39.hg3+–) 1–0. bambinik (2510) – sidartha (2300), 2003.

10.Nbd2 Qd6 11.Nb3 Bc7 12.Bf6= Qf6 13.Nc5 Bg4 14.d4 b6 15.Nd3 Qg6 16.Qd2 Rac8 17.Rfc1 Re6 18.Nh4 Qh5 19.Bg4 Qg4 20.Nf3 Rg6 21.Nde1 Na5 22.Qb4 Qd7 23.Rab1+= Nc4 24.Qb5 Qe6 25.Qa6 Bb8 26.Rb5 Re8 27.Rcb1 Qe4 28.R5b3 f5 29.Rb5= f4 30.ef4 Bf4 31.Qa7 Nd2 32.Rb6 Rb6 33.Qb6 Re6 34.Qb2 Nb1 35.Qb1 Bc7 36.Nd3 Rb6 37.Qd1 Qg4 38.h3 Qg6 39.c3 Qe4 40.Nfe5 Be5 41.de5 Kf7 42.Qd2 Rb5 43.f3 Qc4 44.Nb4 h5 45.Qc2 Qf4 46.Qe2 Qc4 47.Qc4 dc4= 48.Kf2 Re5 49.h4 Ke6 50.Nc2 Rd5 51.Nd4 Ke5 52.Ke3 Rd6 53.f4 Kd5 54.g3 Rb6 55.Nc2 Rb1 56.Nb4-/+ Kc5 57.Na6 Kb5 58.Nc7 Kc6 59.Na6 Rg1 60.Kd4 Rg3 61.Kc4 Rh3 62.Nb4 Kb7 63.Nd3 Rh4 64.Kd5 Rh2 65.Nc5 Kb6 66.Nd7 Ka7 67.Ne5 Rd2 68.Kc5 h4 69.Nc6 Ka6 70.Nb4 Kb7 71.Nc6 h3 72.Na5 Kc7 (72...Kc7 73.a3 h2-+; 72...Ka6 73.Nc4 Ra2 74.Ne3-+) 0–1. Pierred (2180) – Strongman (2620), Rated game, 5m + 0s, 2005.

10.Nbd2 Qd6 11.Nb3 Bc7 12.h3 Qe7 13.Bf6 Qf6 14.Nc5 b6 15.Nb3= Qg6 16.Kh1 Qf6 17.d4 Bb7 18.Rb1 Rac8 19.Qd2 Nd8 20.a4 Ne6 21.a5 Bc6 22.Ba6 Rb8 23.Bd3 Bd6 24.Rfe1 Nf8 25.Kg1 Ng6 26.ab6 ab6 27.Qd1 Bc7 28.Nfd2 Qd6 29.g3 Bd7 30.Qh5 Qe6 31.Kg2 Qc6 32.Nf3 Ra8 33.Nbd2 Ra5 34.Rb2 h6 35.Reb1 Rea8 36.Bb5 Qe6 37.Bd7 Qd7 38.Ne1 Qe6 39.Nd3 Rd8 40.Qg4 Qf6 41.Nb3 Raa8 42.Qf3 Qg5 43.Kh1 Ne7 44.Nd2 Qg6 45.Kg2 Nf5 46.Qg4 Qf6 47.Kg1 Ra3 48.Nf4 Ne7 49.Nh5 Qg5 50.Qg5 hg5 51.c4 Rda8 52.e4 de4 53.Ne4 R3a4 54.Rc1 Nc6 55.d5 Ne5 56.Rbc2 Nd3 57.Rb1 Bd8 58.f4 f5= 59.Nc3 Rc4-+ 60.fg5 Rac8 61.Rb3 Nc5 62.Rb1 Na4 63.Na4 Rc2 64.Kf1 Rc1 65.Rc1 Rc1 66.Ke2 b5 67.Kd2 Bg5 68.Nf4 Rg1 69.Nc5 Rg2 70.Ke1 Rg3 71.Nfe6 Be7 72.Na6 b4 73.Nb8 b3 74.Nc6 Bd6 75.Ne7 Be7 (75...Be7 76.Kf2 Bh4-+) 0–1. Pierred (2210) – Gara2 (2560), Rated game, 5m + 0s, 2005.

10.Nbd2 Bf5 11.Nb3 Bb6 12.Rb1 Nd7 13.Qd2 Qe7 14.Qc3 Qf8 15.a4 Bd8 16.Ba3 Be7 17.d4 c4 18.Be7 Qe7 19.Na5 Na5 20.Qa5 Nf6 21.Qc3 b6 22.a5 ba5 23.Ne5 a4 24.Rb5 Ne4 25.Qa5 a6 26.Rd5= Be6 27.Bc4 Qb7 28.Ra1 Rac8 29.f3 Rc4 30.Rd8 Rc8 31.Re8 Re8 32.fe4 Qe4 33.Qd2 Rc8 34.Nd3 Rc4 35.Nc5 Qc6 36.Qa5 Qd5 37.c3 Qg5 38.Kh1 h6 39.e4 Kh7 40.Rf1 Qe3= 41.Na4 Qe4 42.Nc5 Qe2 43.Rg1 Qe3 44.Na4 Bd7 45.Nb6+= Rc3 46.Nd7 Rc1 47.Qf5 Kh8 48.Rf1 Qe6 49.Rc1 Qf5 50.Rc8 Kh7 51.Nf8 Kg8 52.Ne6 Kh7 53.Nf8 Kh8 54.Ne6 Kh7 55.Nf8 ½–½. Fritz 8 – Fritz 5.32, 2004.

10.Nbd2 Bf5 11.Nb3 Bb6 12.Rb1 Nd7 13.Qd2 Qe7 14.Qc3 Qf8 15.a4 Bd8 16.Ba3 Be7 17.d4 c4 18.Be7 Qe7 19.Nbd2 Nf6 20.Rb5 Rac8 21.a5 Rc7 22.Rfb1 Kh8 23.h3 Qd7 24.Ne5 Ne5 25.de5 Ne4 26.Ne4 Be4 27.Kf1 Qf5 28.Bd1 a6 29.Rb6= Qd7 30.f3+= Bf5 31.Rd6 Qe7 32.Rd5 Bd7 33.f4 Bc6 34.Rd6 Qh4 35.Qd2 c3 36.Qf2 Qe7 37.Bf3 Bb5 38.Be2 Be2+= 39.Ke2 f6 40.Rd5 Qf7 41.Qf3 Rce7 42.e4 fe5 43.fe5 Qg6 44.Rb6 Qg5 45.e6 Qh6 46.Qe3 Qg6= 47.Rg5 Qf6 48.Rf5 Qg6 49.Qf3 Kg8 50.Kf2 Re6= 51.Rb7 Re4=+ 52.Rbf7 h6 53.Rf8 Kh7 54.Re8 Re8 55.Qd3 Rd8 56.Qd8 Qf5 57.Ke3 Qc5 58.Kd3 Qc6 59.g3 Qf3 60.Kc4 Qg3 61.Qd5 Qc7 62.Kb3 Qc8 63.Qe4 Kh8= 64.Qe3 Qg8 65.Kc3+= Qf8 66.Kb3 Qb8 67.Qb6 Qc8 68.h4 Qh3 69.c3 Qf1 70.Qd8 Kh7 71.c4 Qb1 72.Ka4 Qe4 73.Kb4 Qe5 74.Qd3 Kh8= 75.Qd8 Kh7 76.Qd3 Kh8= 77.Qd8 Kh7 ½–½. DoctorWho – crafty, ICC, 1998.

10.Nbd2 h6 11.c4 Be6 (11...d4 12.ed4 cd4 13.Nb3=) 12.cd5= Nd5 13.Nc4 (13.Rc1 Bb6=) 13...Bc7 (13...Nc3 14.Qc2 Ne2 15.Qe2=+) 14.d4 b5 15.Nce5 Ne5 16.Ne5 (16.de5!? c4 17.Qc2=) 16...c4-/+ 17.a4 (17.Qc2 c3 18.Bc1 Be5 19.de5 Qc7-/+) 17...a6 (17...f6!? 18.Nf3 c3-/+) 18.ab5=+ ab5 19.e4 (19.Qc2!?=+) 19...Nf4-+ 20.Bf3 (20.Qc2 f6 21.Ng4 Ne2 22.Qe2 Ra1 23.Ra1 Qd6-+) 20...Be5 21.de5 Nd3 22.Qc2 (22.Ra8!? Qa8 23.Qb1-+) 22...Qb6 23.Be2 (23.Rad1 Ra2 24.Bd4 Rc2 (24...Qd4?! 25.Qa2 c3 26.Qc2-/+) 25.Bb6 b4-+) 23...Nb2 24.Qb2 b4 25.Kh1? (25.Qd2-+) 25...c3 26.Qc2 (26.Qc1-+) 26...Ra1 27.Ra1 Qf2 28.Bd3 (28.Rf1 Qc5 29.Qa4-+) 28...Qc2 29.Bc2 b3 30.Bd3 (30.Bb3 Bb3 31.g4-+) 30…Rd8 (30...Rd8 31.Rf1 Rd3 32.Re1 c2 33.Kg1 b2 34.Kf2 c1Q 35.g3 Bh3 36.Rc1 bc1Q 37.e6 Qe3) 0-1. Butterbrot (1860) - FraGer68 (2435), Rated Blitz game, lichess.org, 2015.

11.Rb1 d4 12.Nc4 Bc7 13.ed4 b5 14.Nce5 Nd4 15.Bd4 cd4 16.Nc6 =+.

11.c4 d4 12.Nc2 de3 13.fe3 Ng4 14.e4 Qd6 15.h3 Nge5 16.Ne5 Ne5 17.Ne3 Bc7 18.d4 cd4=+ 19.Qd4 Qd4 20.Bd4 ½–½. pierre – trener, ChessHere.com, 2006.

11.c4 d4 12.Nc2 Qe7 13.Rb1 b5 14.Nd2 Bf5 15.Bf3 Qd6 16.Bc6 Qc6 17.Nb3 Bc7 18.ed4 Bh2?? 19.Kh1?? Ng4 20.Ne3 Re3-+ 21.d5 Qh6 22.Bg7 Kg7 23.Qg4 Bg4 24.Rfe1 Bg3 25.Kg1 Qh2 26.Kf1 Qh1# 0–1. Pierred (2205) – Jorgeking (2500), Rated game, 3m + 0s, 2005.

11.c4 d4 12.Nc2=+ Qe7 13.Nd2 Bc7 14.Bf3 Qd6 15.g3 Bf5 16.ed4 =+.

11.c4 Bg4 12.cd5 Qd5 13.Bf6= gf6 14.Nc4 Bc7 15.Ncd2 Qh5 16.Re1 Rad8 17.Nf1 Qd5 18.Qa4 Bh5 19.a3 Ne5 20.Ne5 Be2 21.Re2 fe5 22.Rd2 Re6 23.Rad1 b5=+ 24.Qc2 Ba5 25.Re2 e4 26.d4 c4 27.Nd2 Bc7 28.f4 Bd6 29.a4 Bf8 30.Ra1 f5 31.ab5 ab5 32.Ra7 Ra8 33.Ra8 Qa8 34.Qb2 Qa5 (34...Qa5 35.Re1 Bb4-/+) 0–1. Bekemann,Uwe – Schausten,KP, corr FRG–ch M, 1986.

11.Nbd2 Bc7 12.c4 d4 13.ed4 Nd4 14.Bd4 cd4 15.Nb3 Ng4 16.c5 Qh6 17.g3 Be6=+ 18.Re1 Qf6 19.Bf1 Bd5 20.Re8 Re8 21.Bg2 h5 22.Rc1 h4 23.Nbd4= Be5 24.Qa4 Rd8 25.c6 h3 26.Bh1 b5 27.Qb4 a5 28.Qc5 Bf3 29.Nf3 Bd4 30.Qg5 Bf2 31.Kf1 Ne3 32.Kf2 Qb2 33.Ke3 Qc1 34.Kf2 Qc2 35.Qd2 Qc6=+ 36.g4 b4 37.Kg3 Qd6 38.Kh3 Qd3 39.Qf2 Rc8-/+ 40.Qa7 Qd5 41.Qf2 a4 42.Kh4 Qc6-+ 0–1. Haertig,Manfred – Bischof,Guenter (2035), ESC, 2002.

11.Nbd2 Bc7 12.Re1 Bf5 13.c4 dc4 14.Nc4 Qe7 15.Rc1 Rad8 16.Qb3 b6 17.a3 Nd5 18.g3 Nf6 19.d4 Ne4 20.d5 Rd5 21.Nb6 Rd6 22.Nd5 Qe6 23.Bc4 Qd7 24.Ba1 Be6 25.Nc7 Qc7 26.Red1 Bc4 27.Qc4 Qd7 28.Rd6 Qd6 29.Ne1 h5 30.Nd3+/- h4 31.Qc2 hg3= 32.hg3 Ng3 33.Nc5+/- Ne5 34.fg3 Ng4 35.Qg2 Re3 36.Ne4 Qb6= 37.Nc5 Re1 38.Re1 Qc5 ½–½. Rudbeck,Joergen (2405) – Legemaat,Gert (2390), WCCC, 2005.

11.Nbd2 Bc7 12.Re1 Bg4 13.g3 Rad8 14.Qb3 Ba5 15.Qc2 Qd7 16.Rad1 b5 17.e4 a6 18.a4 ba4 19.Qa4 Rb8 20.Qc2 d4 21.Rc1 Rb5 22.cd4 Bf3 23.Bf3 Reb8 24.Bc3 Nd4 25.Qd1 Bc3 26.Rc3 Rb2 27.Bg2 Ng4 28.e5 Nf2 29.Kf2 Ra2 30.Ke3 Qf5 31.Ne4 Rg2 32.Rc5 Rd8 33.Rf1 Qg6 34.Nd6 Ne6 35.Rc2? Qh6 36.Rf4 Nf4 37.gf4 Qh2 38.Rg2 Qg2 39.Qb3 Rf8 40.Nf5 h5 41.Qd1 Rb8 42.Qe1 g5 (42...g5 43.Qg3 Qg3 44.Ng3 h4-+) 0–1. Rudbeck,Joergen (2405) – Nowak,Ireneusz (2340), WCCC, 2005.

11.Nbd2 Bc7 12.h3 Bf5 13.Re1 Rad8 14.c4 d4 15.ed4 Nd4 16.Bd4 cd4 17.Nb3 Nh5 18.c5 Qf4 19.Bf1 Re1=+ 20.Qe1 Be6 21.Qe2 g6 22.g3 Qf6 23.Bg2 b6 24.Nfd2 Ng7 25.Rc1 h6 26.a4 ½–½. Woelfelschneider,Peter (1925) – Brousek,Jiri (2105), CP.2002.Q.00017, 2003.

11.Nbd2 Bf5 12.c4 d4 13.e4 Bd7 14.Rb1 Bc7 15.Re1 Rab8 16.Nb3 b6 17.g3 a6 18.Nfd2 Bh3 19.f4 Qd7 20.Nf1 Rbd8 21.a3 Ng4 22.Bf3 h5 23.Bc1 Bf1 24.Bg4 hg4 25.Rf1 f5 26.Nd2 g6 27.Rf2 Re7 28.Qa4 Ne5 29.Qd7 Nd7 30.Kg2 Kf7 31.a4 Nf6 32.Re2 Rde8 33.a5 ba5 34.Ba3 Nd7 35.h3 gh3-/+ 36.Kh3 Rb8 37.Rb8= Bb8 38.Nf3 fe4=+ 39.Ng5 Kg7 40.de4 Bd6 41.Rb2 a4 42.Kg2 Kf8 43.Kf3 Ke8 44.Ra2 Rg7 45.e5 Be7 46.Ne6 Rh7 47.Nc7 Kd8 48.Nd5 Rh5 49.Bc1 Kc8?? 50.Ne7+– (50.Ne7 Kd8 51.Ng6+–) 1–0. Rudbeck,Joergen – Preuss,Guenter, corr 3GMM–F, 2001.

11.a4 b6 12.c4 dc4 13.Nc4 Bb7 14.d4 Ne4 15.dc5 Nc5 16.Qc2 Re6 17.Rfd1 Qe7 18.Bf1 Rg6 19.g3 Re8 20.Bg2 Nb4 21.Qc3 Ne4 22.Qb3 Nc6 23.a5 Qe6 (23...Nc5 24.Qc2 Na5 (worse is 24...ba5 25.Nh4+/-) 25.Na5 Be4= (worse is 25...ba5 26.Nh4 Qh4 27.Qg6 hg6 28.gh4+/-)) 24.ab6+= ab6 25.Qb5 Rb8 26.Nce5 (26.Ra3 Rg4 27.Bh3 Rg3 28.fg3 Qh3=) 26...Ne5 27.Be5 Be5 28.Qe5 (worse is 28.Ne5 Nc3 29.Qb2 Nd1 30.Rd1 Rg5+=) 28...Re8 29.Qe6 Rge6 (29...Ree6?? 30.Rd8 Re8 31.Re8) 30.Nd4 Rf6 31.f3 Nc5 32.e4 h6 33.Nb5 Bc6 34.Nd6 Rb8 35.Ra7 Ba4 (35...Rd8!? 36.e5 Re6+=) 36.Rd4+/- Bb3 37.e5 Rg6 38.f4 f6 39.e6! Ne6 (39...Be6 40.f5 Double attack (40.f5 Decoy); 39...Ne6 40.f5 Double attack (40.f5 Decoy)) 40.Rb4 Bc2? (better is 40...Nc5 41.f5 Rg5 42.Rb3 Nb3 43.Bd5 Kh7 44.Bb3 b5+/-) 41.f5+– Bf5 42.Nf5 Kh8 43.h4 Nc5 (43...Kh7 44.g4 Nf8 45.Ne7+–) 44.Kh2 (better is 44.Bf3!? Nd3 45.Re4 Kh7+–) 44...Nd3 45.Rd4 Ne5 46.Ne7 (46.Ne3!? b5+–) 46...Rg4 47.Rg4 Ng4 48.Kg1 Rd8 49.Bf3 Ne5 50.Be4 g5 51.h5 Rd4 (51...b5+–) 52.Ra8 (52.Ra8 Kg7 53.Nf5 Kf7 54.Nd4+–) 1–0. Gunawan,Ronny (2395) – Sonjaya,Deni (2265), Jakarta INA, Indonesia Open, 2013.

11.Rb1 Rb8 12.c4 dc4 13.Nc4 b5 14.Ncd2 Nb4 15.Bf6 Qf6 (worse is 15...gf6 16.Qc1 Bd6 17.a3+=) 16.Ne4 Qe7 17.a3 Nd5 18.Qc2 c4 (18...Bf5 19.Qc5 Be4 20.Qe7 Re7 21.de4=) 19.dc4 (19.Nd4 A) worse is 19...Qa3 20.Nb5 (20.Rb5?! cd3 21.Bd3 Ba6+=) 20...Qe7 21.dc4 Rb5 22.Rb5 Ne3 23.fe3 Qe4 24.Qe4 Re4 25.Ra1+–; B) 19...Bd7=) 19...Ne3+= 20.fe3 Qe4 21.Qe4 Re4 22.Kf2 Bb6 (22...bc4 23.Rb8 Bb8 24.g3=) 23.Nd4= (23.cb5 Re3 24.Rbc1 Bb7-+ (24...Ra3?! 25.Ke1-+); worse is 23.Rb5 Be3 24.Ke1 Rb5 25.cb5 Ra4+=) 23...bc4 24.Bc4 Bb7 25.Rfd1 Rbe8 26.Rb3 g6 27.a4 Ba8 28.Bb5 Rd8 29.Rbd3 Rc8 30.Ba6 Rc5 31.Bb5 (31.h3 f5=) 31...Kg7 (31...f5 32.g3=) 32.h3 h5 33.R3d2 Rc3 (33...Rce5 34.Rd3+=) 34.Rd3= Rd3 35.Bd3 Re5 36.Bb5 (36.g4 hg4 37.hg4 Kf6=) 36...Rc5 (36...f5 37.g3+=) 37.Rd2 Rc3 38.Rd3 (38.h4 Be4+=) 38...Rc1 (38...Bd4 39.ed4 Rc2 40.Ke1-/+) 39.Rd2 Be4 40.Be2 (40.Ne2 Rc5 41.Nd4 h4+=) 40...Rc3 (40...Ra1 41.Bb5-/+) 41.Bb5 (41.g4 hg4 42.hg4 Kf6+=) 41...Ra3 (41...f5 42.Rd1-/+) 42.Bd7 (42.g4 hg4 43.hg4 Kf6+=) 42...h4-/+ 43.Bb5 f5 44.Re2 Kf6 45.Rd2 Bc7 (45...Ba5 46.Rd1-+) 46.Nf3-/+ Bf3 (46...g5 47.Ke2-/+) 47.gf3 (47.Kf3 Be5+=) 47...Bb6-/+ 48.Rd3 Ra2 49.Kg1 (better is 49.Kf1!?-/+) 49...f4-+ 50.Rd6 Ke5 51.Rg6 (51.Re6 Kd5 52.Re4 Be3 53.Kh1 Rf2-+) 51...fe3 (51...Be3?! 52.Kh1+=) 52.Kf1 (52.f4 Kf5 53.Rg5 Kf4 54.Rg4 Kf5-+) 52...Rf2 (better is 52...e2!? 53.Be2 Ra1 54.Bd1 Rd1 55.Ke2-+) 53.Ke1 Rf3 54.Be2 (better is 54.Bd7-+) 54...Rh3 55.Rg5 (55.Kf1 Rh2 56.Rg2 Rh1 57.Rg1 Rg1 58.Kg1 Kd4-+) 55...Kf4 (55...Kf6 56.Rd5-+) 56.Rg4 Kf5 57.Rg1 (57.Kf1 Rh1 58.Rg1 Rg1 59.Kg1 Ke4-+) 57...Rh2 58.Rg8 Rh1 59.Bf1 Rh2 (59...h3 60.Rh8 Kg4 61.Rg8 Kf3 62.Rf8 Ke4 63.Re8 Kd4 64.Ke2 Rh2 65.Kd1 Rd2 66.Ke1-+) 60.Bd3?? (60.Be2 h3 61.Rh8-+) 60...Ke5-+ 61.Rg5 Kd4 (61...Kf4 62.Rf5 Kg4 63.Rb5-+) 62.Bf1 (62.Be2 h3 63.Rh5 Bd8-+) 62...Ra2 (better is 62...h3-+) 63.Be2 (63.Rh5 Ra1 64.Ke2 Bd8-+) 63...Ra1 64.Bd1 Kc3 (64...Kd3 65.Rb5 h3 66.Rb3 Ke4 67.Rb4 Bd4 68.Rb7-+) 65.Rh5 (65.Ke2 Ra2 66.Kf3 Rf2 67.Ke4-+) 65...Kd3 66.Rd5 (66.Rb5 h3 67.Rb3 Ke4 68.Rb4 Bd4 69.Rb7 Bc3 70.Ke2 Ra2 71.Bc2 Rc2 72.Kd1 Rd2 73.Kc1 h2 74.Re7 Kd3 75.Rd7 Bd4 76.Rh7 Ra2 77.Rh2 Ra1) 66...Ke4 (better is 66...Bd4 67.Rd4 Kd4-+) 67.Rh5 Kd3 68.Rd5 Bd4 69.Rd7 h3 0–1. Melderis,Uldis – Vovk,Ilja, 26th Keres Memorial Rapid, 2017.

11.Rb1 Qd6 12.c4 d4 13.e4 (13.ed4 Nd4 14.Bd4 cd4=+) 13...h5 (13...Ng4 14.g3-/+) 14.g3 (14.Re1 Rb8=) 14...Ng4 15.Bc1 Re6 (15...Qg6 16.a3=+) 16.Nb3= Rg6 (16...b6!?=) 17.Nh4+= Nce5? (better 17...Re6!?+=) 18.Ng6 Qg6 (18...Ng6 19.f4+–) 19.f4 (better 19.Nc5 h4 20.Qa4 (20.Nb7 Qh7 21.Bg4 Ng4+=) 20...hg3 21.fg3 (21.hg3 Qh5 22.Bg4 Ng4 23.Qe8 Kh7 24.Qg8 Kg8 25.Kg2 Ne3 26.fe3 Qh3 27.Kf2 Bg3 28.Ke2 Bg4 29.Kd2 Qg2 30.Rf2 Qf2) 21...Nh2 22.Kh2 Nd3 23.Bf4 Nf4 24.gf4 Qh6 25.Kg1 Bf4 26.Qe8 Kh7 27.Rf4 Qf4 28.Rb3 Qg5 29.Kf1 Qc5 30.e5+–) 19...h4? (19...Nd7+–) 20.f5 (20.fe5?! Nh2 21.Rf2 Ng4 22.Bg4 Bg4+–) 20...Qh5 (20...Qd6 21.Bg4 hg3 22.hg3 Nc4 23.Bf4+–) 21.h3 (21.Nc5?? hg3 22.h4 Qh4 23.Rf2 gf2 24.Kg2 Qh2 25.Kf1 Qg1) 21...hg3 22.Bg4 Qh4 23.Kg2 (23.Nc5 b6 24.Nb3 Nc6+–) 23...g6 (23...Nd7 24.Bf4 Bf4 25.Rf4+–) 24.Bf4 (24.Nc5!? b6 25.Nb3 gf5 26.Bf5 Nc6+–) 24...gf5 25.ef5 b6 26.Nd2 (better 26.Bg3 Bb7 27.Kf2+–) 26...Bb7 27.Ne4 Nc4 28.Qf3 (28.dc4 Be4 29.Kg1 Bf4 30.Rf4 Bb1 31.Qb1 Re8+–) 28...Bf4 29.Qf4 (better 29.dc4 Re8 30.Nf6 (30.Qf4?! Be4 31.Kg1 Bb1 32.Rb1 Kh7+–) 30...Qf6 31.Qb7+–) 29...Ne3+– 30.Kf3 g2 (30...Nf1 31.Rf1 Re8 32.Rg1+– (worse 32.Qg3 Qg3 33.Kg3 Be4 34.de4 Re4+=)) 31.Rg1+– Re8 32.Rg2 (32.Rbe1 c4 33.Re3 de3 34.Ke3 cd3+–) 32...Ng2+– 33.Kg2 c4 34.Qg3 (better 34.Rb5!? Qe1 35.Bf3 Be4 36.de4+– (36.Be4?! cd3 37.Bf3 Rc8 38.Qg3 Qg3 39.Kg3 Kg7+–)) 34...Be4 35.de4 Qg3 36.Kg3 Re4 37.Kf3 Re3 (37...Re5+=) 38.Kf2 (better 38.Kf4!? Re8 39.f6+=) 38...Ra3=+ 39.Rb2 c3 40.Rb4?? (better 40.Rc2 d3 41.Rc1=+) 40...Ra2 (40...c2 41.Rc4 Rc3 42.Rd4-+) 41.Kf3 (41.Ke1 Ra1 42.Ke2-+) 41...d3 (better 41...c2 42.Rc4 Ra3 43.Ke4 Rc3 44.Kd4 Rc4 45.Kc4 c1Q 46.Kd4 a5-+) 42.Ke3 c2 43.Rc4 b5?? (better 43...Ra1 44.Kd2 b5-+) 44.Rc8+– Kg7 45.Kd3 b4 46.Rc2 Ra3 47.Kc4 (47.Kd4 a5+–) 47...a5 48.Rb2 Kf6 49.Rb1 Ke5 50.Re1 (better 50.Rb3 Ra1 51.Re3 Kf6 52.Rd3+–) 50...Kd6? (better 50...Kf6!?+–) 51.Rd1 (51.f6!? Rc3 52.Kd4 a4+–) 51…Ke5 ½–½. Waechtler,Frank (2290) – Dietzel,Jan_Arthur, NRW–Liga I, 1994.

11.Rb1 Qd6 12.Re1 b6 13.Bf1 (13.c4 Bb7=) 13...Bg4=+ 14.g3 Rad8 15.Bg2 Nd7 16.h3 Bf5 17.Nh4 Be6 18.f4 Nf8 19.f5 (19.Qh5 f6=) 19...Bc8 20.Nf1 Bb7 21.Qg4 f6 22.Re2 Qe7 23.Rbe1 (23.c4 dc4 24.Qc4 Kh8=+) 23...Ne5 24.Qh5 Qf7 25.Qf7 Nf7 26.Kf2 Bc8 27.g4 Be5 (27...Rd7!?=+) 28.Be5 Ne5 29.Nd2 (29.d4 Nc4=) 29...Nf7 (29...Ba6 30.Rd1=+) 30.a4 Bd7 31.a5 Bc6 32.Ra1 (32.ab6 ab6 33.Rb1 Nd7=) 32...b5= 33.Nb3 Nd7 34.a6 Nfe5 (34...Ba8 35.Na5 Nb8 36.Nb7 Bb7 37.ab7=) 35.Nf3 (35.Na5 Nb8+=) 35...Nf3 36.Bf3 Kf7 37.c4 (37.Na5 Nb8 38.c4+/- (38.Nc6?! Nc6 39.c3 b4=)) 37...bc4 (37...Ne5 38.Nc5 bc4 39.d4 Nf3 40.Kf3=) 38.dc4 Nb6 (38...dc4!? 39.Bc6 cb3=) 39.Nc5 (39.Na5!? Rd6 40.Rc2+/-) 39...Nc4+= 40.Rc1 Bb5 41.Nb7 Ba6?? (41...Rd7 42.Rd1 Re5+= (42...Ba6? 43.Nc5 Rd6 44.Na6+-)) 42.Ra2?? (better 42.Nd8 Rd8 43.Ra2+-) 42...Bb7-+ 43.Ra7 (43.Ra7 Re7 44.Rb1-+). eldidi (2470) - zumpili (2345), Rated Bullet game, lichess.org, 2020.

11.Rb1 Bf5 12.c4 d4 13.e4 Bg4 (better 13...Bd7!?=+) 14.Nd4+= Be2 15.Nc6?? (15.Ne2!? Nb4 16.Nc1+=) 15...Bd1 (better 15...Bh2 16.Kh2 Qc7 17.Be5 Re5 (17...Qc6?! 18.Qe2 Re5 19.f4=) 18.Ne5 Qe5 19.f4 Qh5 20.Kg1 Bd1 21.Rfd1 b6-+) 16.Nd8=+ Be2 (worse 16...Red8 17.Rfd1 Rd3 18.Bf6 gf6 19.Nf1 (19.Rb7? Bf4-+) 19...Rd1 20.Rd1+=) 17.Nb7 Bf1 18.Nf1 (worse 18.Rf1 Nd7 19.Ba3 Ne5 20.Nc5 Nd3 21.Nd3 Rad8-/+) 18...Nd7 19.Ba3 Bb6 20.Nd6 Re6 21.Nf5 Ne5 22.d4 Nc4 23.Bc5 Bc5 24.dc5 Re4 25.N1e3 (better 25.N1g3!? Re5 26.c6-/+) 25...Ne3-+ 26.Ne3 Rc8 27.Rc1 (27.Nf5 Rd8 28.Nd6 Re2-/+) 27...g6 28.g3 Rc6 29.Rc3 Re5 30.Ra3 a6 31.Nc2 Rec5 32.Nb4 Rb6 33.Na6?? (33.Nd3 Rc2 34.Kg2-+) 33...Rc1 34.Kg2 Rc2 0-1. foytik (2145) - joshuawaitzkin (2360), Rated Blitz game, lichess.org, 2016.

11.Nb3 b6 12.a4 a5 (12...Qd6 13.h3=+) 13.c4 dc4 14.dc4 Qe7 15.h3 (15.Qc2 Nb4 16.Qc3 Bf5=+) 15...Bb7 16.Nbd2 Rad8 17.Qb1 Rd2 18.Nd2 Qd6 19.g3 Qd2 20.Bf3 Qd6 21.Ra3 Qe6 22.Qa1 (22.Rd1-+) 22...Ne4 (worse 22...Qc4 23.Bf6 gf6 24.Qf6-+) 23.Bg7 Qg6 24.Bb2 Ng3! 25.Rd1 (25.fg3 Qg3 Double attack (25...Qg3 Deflection)) 25...Ne4 26.Kf1 Nb4 0-1. Tsoi,Dmitry (2320) - Faizrakhmanov,Ramil (2455), 16th Moscow Open A (9), 2020.

11.c4 b6 12.cd5 Nd5 13.Nc4 (13.d4 Bf5=) 13...Qe7 14.d4 cd4 (14...Nf4!?=+) 15.Nd4+= Nd4 16.Qd4 Nf6 17.Bf3 Rb8 18.Rfd1 Ba6 (18...b5 19.Nd6 Rd8 20.Ba3+=) 19.Ba3 Qe6 20.Nd6 Red8 21.Rd2 (21.Qa4!?+=) 21...Bb7= 22.Bb7?? (better 22.Rc1 Bd6 23.Bd6=) 22...Bd6-+ 23.Bd6 Rb7 24.Rad1? (24.e4 Ne4 25.Re2-+) 24...Rbd7 25.Qb4 (25.Qf4 Ne4 26.Rd4 Nd6-+) 25…Ne4 (25...Ne4 26.Rd5 Rd6 27.Rd6 Rd6 28.Rd6 Qd6-+) 0–1. Steiner,Peter Markus (1695) – Wohde,Jens (1935), 9th Rheinland–Pfalz–Open, 2017.

11.c4 Ne5 12.Ne5 Be5 13.Be5 Re5 14.Nf3 Re8 15.cd5 Qd5 16.d4 Be6 17.dc5 Qc5 18.Qa4 h6 (18...Rac8 19.Rfd1=) 19.Nd4 Bd5 20.Rfc1 Qe7 21.Rab1 a6 22.Qb4 (22.Bf3 Bf3 23.Nf3 Ne4=) 22...Qd7 (better 22...Ba2 23.Nf5 Qb4 24.Rb4 Bd5-/+) 23.a3 Rac8 24.Bf3 b5 25.Bd5 Nd5 26.Qd2 Nb6 27.Qb4 Nd5 28.Qd2 Nb6 29.Qa5 Qb7 30.Nf5 Rc1 31.Rc1 Nc4 32.Qc3 f6 33.a4 Rd8 34.ab5 ab5 35.Nd4 Qd5 36.h3 Rc8 37.Qb4 Attacks the isolani on b5 37...Rb8 38.Rc2 Kh8 39.Rc1 Nd6 (39...Kg8 40.Rb1+=) 40.Rb1 (40.Rc6 Ne4+/-) 40...Nf5+= 41.Rd1 (41.Nf3 Nd6=) 41...Nd4 42.Rd4 Qb7 43.g3 Rc8 44.Rd1 Rc4 45.Qb3 Qc6 46.Rb1 Rc2 47.Qb5?? (better 47.Qb4=) 47...Rc1-+ 48.Rc1 Qb5 49.Rc8 Kh7 50.Rc1 Qe2 51.Re1 (51.Kg2 Qd2 52.Rc5 Qd6-+) 51...Qf3 (better 51...Qe1 52.Kg2 h5-+) 52.Kf1 (52.e4 Qd3-+) 52...Qe4 (52...Qh1!? 53.Ke2 Qh3 54.Rd1-+) 53.Kg1 Qf5 54.Rf1 (54.Kg2-+) 54...Qe4 (better 54...Qh3 55.Rd1 Qg4-+) 55.Re1= Qd5 0-1. yalan4583 (2290) - zumpili (2345), Rated Blitz game, lichess.org, 2021.

11.c4 Bg4 12.h3 Be6!?=.

11.c4 Bg4 12.h3 Bh5 13.a4 Nb4 14.cd5 Qd5 15.Nc4 Rad8 16.Bf6 gf6 17.e4 Qd7 18.Nh4 Be2 19.Qe2 Qd3 20.Qg4 Kh8 21.Nf5 Rg8 22.Qh4 Rg6 23.Nce3 Re8 24.Rad1 Qe4 25.Qe4 Re4 26.Rd7 Bf4 27.Rfd1 Nc6 28.Rf7 Nd4 29.Nd4 Rd4 30.Rb1 Be3 31.fe3 Rd2 32.g4 b6 33.Ra7 f5 34.a5 fg4 Time forfeit 0-1. svchess (2065) - Spinaltap (2395), Rated Blitz game, lichess.org, 2015.

11.c4 Bg4 12.h3 Bh5 13.Bf6+= gf6 14.cd5 Qd5 15.Ne4 Kg7 16.Rc1 b6 17.Qb3 (17.Nc3 Qd7+=) 17...Qd7 18.Qb2 The isolani on f6 becomes a target 18...Re6? (18...Ne5 19.Kh1 A) 19...Nd3 20.Qf6 Kg8 21.Qg5 Kh8 22.Qh5 Re4 23.Bd3 Qd3 24.Rfd1 (24.Qf7?! Qd6 25.Rfd1 Re7 26.Rd6 Rf7+/-) 24...Qd1 25.Rd1+-; B) 19...Rad8=) 19.Nfg5+- Be5 20.Ne6 fe6 21.Qd2 (21.d4!? Be2 22.Qe2 cd4+-) 21...Bg6+/- 22.Rfd1 Rd8 23.Nc3 Bc7 (23...Nb4 24.f4 Bb8 25.g4+/-) 24.a3 (24.d4 cd4 25.Nb5 Bb8+-) 24...Qd6 25.Nb5?? (better 25.g3+-) 25...Qh2 26.Kf1 Qh1 0-1. Chess__Academy (2370) - zumpili (2435), Rated Bullet game, lichess.org, 2020.

11.Re1 Rb8 12.c4 dc4 13.Nc4 Bf5 14.Qc1 Nd7 15.Qc3 Qf6 (15...Nf6 16.e4 Be6 17.h3 h6 18.a4 Qe7 19.e5 Nd5 20.Qd2 Rbd8; 15...f6 16.e4 Bg6 17.a4 Qe7 18.Nh4 Nd4 19.Ng6 hg6 20.Ba3 Qe6) 16.Qf6 (16.e4 Be6 17.Qd2 Bf4 18.Qc2 Qg6 19.a4 Nb4 20.Qc3 Bc4) 16...Nf6 17.Bf6 (17.e4 Be6 18.Rac1 Bf4 19.Ne3 b6 20.g3 Be3) 17...gf6 18.a4 Red8 (18...Rbd8 19.Rab1 Na5 20.Na5 Ba5) 19.Red1 (19.Ra3 Nb4 20.Rd1 Kg7) 19...Rd7 (19...Kg7 20.h3 h6) 20.Rac1 (20.d4 cd4) 20...Rbd8 (20...Re8=) 21.Nb2 Bb6 22.Nh4 Be6 23.Nc4 Nb4 24.Nb6 ab6 25.Rc3 Rd6 26.Ra3 Bc4 27.Rc1 Bd3-/+ 28.Bg4 Be4 29.h3 Rd2 30.Rc4 Bd3 31.Rf4 Nd5-+ 32.Rf3 c4 33.Rg3 c3 34.Be6?? Kf8-+ 35.Bd5 c2 36.Rc3 Rd5 37.Rc8 Ke7 38.Rgg8 f5 39.Rce8 0–1. Sopur,Lech (2385) – Malaniuk,Vladimir P (2520), Open A, Polanica Zdroj Poland, 2007.

11.Re1 Be6 12.c4 d4 13.e4 a6 14.Nb3 Qd6 15.Ba3 b6 16.g3 Bd7 17.Bc1 Qe7 18.Bg5 h6 19.Bf6 Qf6 (19...gf6?! 20.Nh4+=) 20.Nh4 Qg5 21.Rf1 Bh3 22.Ng2 Qg6 23.f4 Rab8 (23...Qe6 24.Bf3+=) 24.Bf3 Qe6 25.Rf2 Ne7 26.Qe2 Qd7 27.Qd2 Kh8 28.Re1 Nc6 29.Bh5 a5 30.a4 Nb4 31.Nc1 g6 32.Bd1 Bd8 33.Kh1 Bf6 34.Bb3 Bg7 35.Nh4 Qc6 36.f5 g5 37.Ng2 Qf6 38.Qd1 Bg2 39.Rg2 Re7 40.Qh5 Rg8 41.Bd1 Nc6 42.Rf2 Ne5 43.Bc2 g4 44.Ne2 Bf8 45.Nf4 Rg5 46.Qh4 Re8 47.Nd5 Qc6 48.Rb1 Rb8 49.Rb5 Kh7 50.Rf4 Rb7 51.Kg2 Nf3 52.Rf3 gf3 53.Kf3 Be7 54.Ne7 Re7+= 55.Qf4 Qf6 56.Bd1 Rg8 57.Kg2 Rge8 58.Kh3 Rb7 59.Kg2 Re5 60.h4 Ree7 61.Kh3 Re5 62.g4 Re8 63.g5 Qe5 64.Qe5+= Re5 65.Kg4 Re8 66.Kf4 Rh8 67.e5 hg5 68.hg5 Kg8 69.Bf3 Rb8 70.f6 Rh4 71.Kg3 Rh7 72.Rb1 Kf8 73.Be4 ½–½. Fekete,Albert – Cottarelli,Franco, corr ICCF TT/6/02/final, 2008.

11.Re1 Qe7 12.c4 dc4 13.Nc4 b5 14.Ncd2 Be6 15.Rc1 Nd7 16.d4 =.

11.Re1 Qe7 12.c4 Be6 13.Rb1 Rab8 14.Qa4 dc4 15.dc4 Red8 16.Qb5 =.

11.Re1 Qe7 12.d4 c4 13.e4 c3 14.Bc3 de4 15.Bb5 Qd6 16.Ne5 -/+.

11.Re1 h6 12.Bf1 Bg4 13.g3 Ba5 14.Bg2 Nd7 15.Rf1 Nde5 16.Qb1 Nf3-/+ 17.Nf3 Qd7 18.Ba3 d4 19.e4 b6-/+ 20.Qc1 Rac8 21.Nd2 h5 22.f4 h4 23.Nc4 hg3 24.hg3 b5 25.Na5= Na5 26.Qe1 Nb7 27.f5 f6 28.Rf4 Bh5 29.Rh4 Bf7 30.Qd1 b4 31.Bc1 c4 32.Bf4 cd3 33.cd3 Rc3 34.Bf1 a5 35.Qg4 Rc2 36.Qh3 Kf8= 37.Rh8 Bg8 38.g4 Qf7 39.Qg3 Rec8 40.e5+= fe5 41.Be5 Qd5 42.Bf4 Ra2+= 43.Re1 Re8 44.Rc1 b3+= 45.Bg2 Rg2 46.Qg2 Qg2 47.Kg2 g5 48.Rc7 gf4 49.Rb7 a4?? 50.f6 (50.f6 Re2 51.Kf3+–) 1–0. Weigel,Ha – Boog,F, Open A Hamburg GER, 2005.

11.e4 de4-/+ 12.Ne4 (12.Bf6 A) worse 12...gf6 13.Ne4 f5 14.Ng3= (14.Nc5? Nd4 15.Nd4 Qd4-+); B) 12...Qf6 13.Ne4 Qh6-/+) 12...Ne4 13.de4 Re4 14.Bd3 Re8 15.Qd2 Be6 (15...Bg4 16.Qc3 Ne5 17.Ne5 Be5 18.Qa3-/+) 16.Rad1 (16.Qc3 f6 17.Qc5 Qd5=+) 16...Qe7 17.Ng5 h6 18.Ne6 Qe6 (worse 18...fe6 19.Qe3 Qh4 20.g3=) 19.Qc3 (better 19.c4!?-/+) 19...Be5-+ 20.Qa3 Bb2 21.Qb2 Nd4?? (better 21...c4 22.Rfe1 Qe1 23.Re1 Re1 24.Bf1 Rd8 25.Qb7 Rdd1 26.Qc8 Nd8 27.Qc4 Ne6-+) 22.Qb7= Qa2 23.c3 (23.Ra1 Qe6 24.Ra7 Ra7 25.Qa7 Qd5=) 23...Ne6 (23...Qb3!? 24.Qb3 Nb3-/+) 24.Qe4 Ng5 25.Qf5 c4 26.Bb1 (26.f4 cd3 27.fg5=+) 26...g6 (26...Qe2 27.h4 Re5 28.Qd7=+) 27.Qf4 (27.Qg6! fg6 28.Ba2+=) 27...Qe2 (27...Qb3 28.h4 Ne6 29.Qf6=+) 28.h4=+ Ne6 29.Qh6 Qe5 (29...Qg4 30.f4 Rad8 31.Rd8 Nd8 32.Qg5 Qg5 33.fg5=+) 30.Rfe1 (30.Qe3 Nc5 31.Qf3 Rad8=) 30...Qf4 (better 30...Qc3!? 31.Re4 Rad8-/+) 31.Qf4= Nf4 32.g3 (better 32.Re8 Re8 33.Kf1=) 32...Nd3?? (better 32...Ne2 33.Kf1 Nc3-+) 33.Re8+/- Re8 34.Bd3 cd3 35.Rd3 a5 36.Rd5 (36.c4 Rc8 37.Ra3 Rc4 38.Ra5 Kf8+/-) 36...Rc8 (36...Ra8!?+=) 37.Ra5+/- Rc3 38.Kg2 Kg7 39.Ra4 (39.g4 Kh6+/-) 39...Rc2 (39...f5 40.Ra7 Kf6 41.Ra2+/-) 40.Rf4 Rc3 41.Rf3 Rc5 42.Re3 Rc6 43.Kf3 Rf6 44.Ke2 Rc6 45.Rd3 Rb6 46.Ke3 Rb2 47.Kf3 Rb1 48.Kg2 Rb2 49.Re3 Ra2 50.Rf3 Ra5 51.g4 Ra6 52.Kg3 Rf6?? (better 52...Ra1+/-) 53.Rf6+- Kf6 54.Kf4 g5 55.hg5 Kg6 56.f3 f6 57.gf6 (57.gf6 Kh6 58.Kf5 Kh7 59.Ke6 Kh6 60.f4 Kg6 61.f7 Kg7 62.Ke7 Kh6 63.f8Q Kh7 64.g5 Kg6 65.Qf7) 1-0. Banjovi (2370) - Tellofant (2330), Rated Bullet game, lichess.org, 2018.

11.h3 Qd6 12.c4 (12.Rb1 Rb8=+) 12...d4 13.e4 (13.ed4!? Nd4 14.Bd4 cd4 15.Nb3=+) 13...Bd7 (13...Nh5 14.Bc1-+) 14.Nb3 b6 15.Bc1 (better 15.h4-/+) 15...Ne5?? (better 15...Nh5-/+) 16.Ne5+= Qe5 (16...Re5? 17.f4 Re7 18.e5+-) 17.f4 Qe7 18.e5 Bc6 19.Bf3 Bf3 20.Qf3 Nd7 21.Bd2 Nf8 (21...f6 22.Qb7 Rac8 23.ef6 (worse 23.Qa7 fe5 24.Rae1 Qd8=+) 23...Nf6 24.Qa7+=) 22.Rae1 a5 23.a4 (23.Bc1 Rab8+=) 23...Qd7 24.f5 (24.Ra1 Ng6+=) 24...Qa4 (24...Ra7 25.e6 fe6 26.f6 gf6 27.Qf6=) 25.e6 f6 (25...fe6 26.fe6 Kh8= (26...Qb3 27.e7 Bf4 28.Bf4 Qd3 29.Qd5 Ne6 30.Re6 b5 31.Rf6 Kh8 32.Qa8 Qf1 33.Kf1 gf6 34.Qe8 Kg7 35.Qd7 f5 36.e8Q Kf6 37.Qee6; 26...Ne6?? 27.Qf7 Kh8 28.Re6+-)) 26.e7?? (better 26.Nc1+/-) 26...Qb3-+ 27.Qd5 (27.Rb1 Qc2 28.Rfd1 Ra7-+) 27...Kh8 28.Qa8?? (better 28.ef8Q Rf8 29.Qf3-+) 28...Ra8 29.e8Q Re8 30.Re8 Kg8 31.Re7 (31.Rf3 a4 32.Re7 Qd1 33.Rf1 Bh2 34.Kh2 Qf1-+) 31...Qd3 32.Rc7 (32.Bh6 gh6 33.Rc7 Qc4-+) 32...Qd2 33.Rb7 (33.Re7 d3-+) 33...Qe3 34.Kh1 d3 35.Rb6 Qe2 (better 35...a4 36.Ra1-+) 36.Rfb1 (36.Rbb1 d2 37.Rbd1-+) 36...d2 37.Rd6 a4 38.Kh2 Qe5 39.g3 Qd6 40.Rd1 (40.Kg2 Qd3 41.Ra1 d1R 42.Rd1 Qd1 43.g4 a3 44.Kf2 a2 45.Kg2 a1Q 46.Kf2 Qd3 47.Kg2 Qe1 48.g5 Qdg3) 40...Qd3 41.Kg1 (41.Rg1 d1Q 42.Rd1 Qd1 43.g4 a3 44.g5 a2 45.gf6 a1Q 46.f7 Kf7 47.Kg2 Qe2 48.Kg3 Qd4 49.f6 Qef2) 41...Qe2 (41...Qe3 42.Kh1 Qf3 43.Kh2 Qe2 44.Kg1 Qd1 45.Kf2 Qe1 46.Kf3 d1Q 47.Kf4 Qe5) 42.Rd2 (42.Rf1 a3 43.g4 a2 44.h4 d1R 45.Rd1 Qd1 46.Kf2 a1Q 47.Kg3 Qe2 48.g5 Qd4 49.gf6 Qdg4) 42…Qd2 (42...Qd2 43.Kf1 a3 44.h4 a2 45.g4 a1Q) 0-1. NoLuckOnlySkill (2125) - Mettigel (2385), Rated Blitz game, lichess.org, 2016.

12.c4 dc4 13.Nc4 Bf5 14.e4 (14.a3 Rb8=) 14...Bg4 15.Re1 Nd7 16.Ne3 (16.Qa4 Bf3 17.Qc6 Be2 18.Re2 Ne5 19.Be5 Be5 20.Ne5 Re5=+) 16...Bf3=+ 17.Bf3 Be5 18.Nd5 Bb2 19.Rb2 Nde5 20.Be2 Nd4 21.Bf1 Qd6 22.f4 Nec6 23.Qg4 Ne7 24.Ne3 f5 25.Qg3 Rad8 26.Kh1 (26.Nc2 Qf6 27.e5 Qh6-/+) 26...Ng6 (26...Qg6 27.e5-/+) 27.e5=+ Qe6 28.Qg5 (28.Nc4 b5 29.Ne3 a6-/+) 28...Ne7 29.g4? (29.a3 Ng6-/+) 29...fg4 (29...Nf3 30.gf5 Qf7-+ (30...Ng5?! 31.fe6 Ne6 32.f5=+)) 30.Qg4-/+ Qg4 31.Ng4 Nd5 32.f5 (32.Rf2 Rf8-/+) 32...h5 33.Nf2 Nf3 34.Rbe2 (34.Re4 Re5 (34...Ne5?! 35.Rbe2 Nc3 36.Re5 Ne2 37.Re2-/+) 35.Re5 Ne5-+) 34...Nf4 35.Re4 (35.Bg2 Ne1 36.Re1 Ng2 37.Kg2 Rd5-+) 35...Ne1 36.Re1 Rd5 (better 36...Rf8 37.Nh3 Rf5 38.Nf4 Rf4-+) 37.e6 (37.Re4 g5 38.d4 Rd4 39.e6-+) 37...Rf5 38.Bh3 (38.d4 cd4 39.Bc4 b5-+) 38...Nh3 (38...Rf6 39.a3-+) 39.Nh3 Rf6 (39...g5!? 40.Kg2-+) 40.Ng5 Rg6 (better 40...Rf2!? 41.a4-+) 41.h4 Rf6 42.Kg2 g6 (42...Rf4!? 43.Nf3-+) 43.Kg3 Kg7 44.Re5 (44.Re3 Re7-+) 44...Re7 (44...Rf5 45.Re4-+) 45.Rd5 Rf5 46.Rd6 Kf6 47.d4 (47.a4 Rf1 48.a5 Rg1 49.Kf3 Rg5 50.hg5 Ke5-+) 47...cd4 48.Rd4 Rg5 49.hg5 Kg5 (49...Ke6?! 50.Re4 Kd6 51.Rf4-+) 50.Rd7 Kf6 (worse 50...Re6 51.Ra7 h4 52.Kh3 Re3 53.Kg2-+) 51.Rd6 Re6 52.Rd7 Re7 53.Rd6 Kg5 (53...Kf5 54.Rd5 Re5 55.Rd7-+) 54.Rd5 Kh6 55.Kf4 (55.Rd3 Re6-+) 55...Re6 (55...Rc7 56.Rd3-+) 56.Rd7 a5 57.Rb7 (57.Rd8 Re2 58.a3 g5 59.Kf3 Re6-+) 57...Rf6 58.Ke5 Rf2 59.Rb6 (59.a4 Ra2-+) 59...Ra2 60.Ra6 (60.Kf4 a4-+) 60...Rf2 (60...h4 61.Ke4-+) 61.Ke6 Rf5 62.Ra8 h4 63.Ra7 (63.Rb8 Kh5-+) 63...h3 64.Ra8 Kg5 65.Rh8 Kg4 66.Rh6 g5 67.Rh7 Rf2 68.Ke5 (68.Kd6-+) 68...h2 69.Ke4 Kg3 (69...a4 70.Ke3 Rf3 71.Kd4-+) 70.Rh6 Rf1 (better 70...Rf4 71.Ke5-+) 71.Rh5 (71.Kd3-+) 71...h1Q 72.Ke3 Qh5 (72...Qh5 73.Kd4 Qd1 74.Kc4 Qc1 75.Kb5 Rf5 76.Kb6 Qc5 77.Ka6 Rf6 78.Kb7 Rf7 79.Ka6 Ra7; 72...Qf3 73.Kd4 Rd1 74.Ke5 Qf4 75.Ke6 Rd6 76.Ke7 Qf6 77.Ke8 Rd8) 0-1. bjoernsen (2340) - LaTrainee (2400), Rated Blitz game, lichess.org, 2016.

12.Re1 Qd6 13.Nf1 Bb7 14.Rc1 Rad8 15.c4 (15.Ng3 Qe7=+) 15...dc4-/+ 16.Rc4 Qe7 (16...Nb4 17.Qa1 Nd3 18.Rd1 Bf3 19.gf3-/+) 17.Qa1 Ne5 (17...Nb4 18.Rd1=+) 18.Ne5= Be5 19.Be5 Qe5 20.Qe5 Re5 21.Rb1 Ba6 (21...Bd5 22.Rc2=+) 22.Ra4= Bd3 23.Bd3 Rd3 24.Ra7 Rd6 25.h3 g6 26.Rb7 Exerts pressure on the backward pawn 26...Ree6 27.Ng3 h5 28.Ne2 Ne4 29.Nf4 Rf6 30.f3 (30.a3 h4=+) 30...Nc3 31.Rb2 Na4 (31...Nd1 32.Re2=+) 32.Rc2= Rd1 (32...h4 33.Kf2=) 33.Kf2 (33.Kh2 Kg7=) 33...Rfd6=+ 34.h4 (34.Kg3 R1d2 35.Rd2 Rd2=+) 34...R1d2 (34...R6d2 35.Rd2 Rd2 36.Kg3=+) 35.Rd2 Rd2 36.Kg3 Ra2 37.Nd5 c4 38.e4 (38.Nb6? Rb2 39.Na4 Rb7-+) 38...c3 (38...Kg7 39.Nf4-/+ (39.Nb6? Rb2-+)) 39.e5 (39.Nf6 Kg7 40.e5 Re2=+) 39...c2 (39...Re2!? 40.Nf6 Kg7=+) 40.Nf6= Kg7 41.Rb8 c1Q 42.Rg8 Kh6 43.Rh8 Kg7 44.Rg8 Kh6 45.Rh8 Kg7 46.Rg8 ½-½. bjoernsen (2320) - kekss5 (2310), Rated Blitz game, lichess.org, 2016.

12.Re1 Be6 13.a3 Rb8 14.Nf1 b5 15.Ng3 a5 16.Ng5 Bc8 17.Bh5 g6 18.Qf3?? (better is 18.Be2+=) 18...Ne5-+ 19.Qf4 Neg4 20.Bf6 Nf6 (20...Bf4?! 21.Bd8 Bg3 22.Bg4 Bg4 23.Ba5=) 21.Qh4 gh5 22.Nh5 h6 23.Nf3 Nh5 24.Qh5 Qd6 25.e4 de4 26.de4 b4 27.Rbd1 Qg6 28.Qc5 Bb6 29.Qb5 (29.Qc4 Be6 30.Qc6-+) 29...Bf2! (29...Bf2 30.Kf2 Rb5 31.ab4 Rb4-+) 0–1. Grecu,V (1880) – Meister,Jak (2460), Werner–Ott–Open, 2015.

12.Re1 Bg4 13.h3 Bh5 14.c4 Bg6 (14...dc4 15.Nc4 Nd5 16.a3=) 15.Bf6 Qf6 16.cd5 Nb4 (16...Ne5!?+=) 17.Qb3+/- Rad8 (17...Red8 18.e4 Bf4 19.a3+/-) 18.e4 Bh5 (better 18...Qe7!?+/-) 19.a3+- Na6 20.d4 Bf3 21.Nf3 (21.Qf3?! Qd4 22.Red1 Nb8+/-; worse 21.Bf3 cd4 22.Qd1 Nc5=) 21...Re4 22.Ba6 Re1 23.Re1 cd4 24.Qc4 Bd6 25.Qd4 Qd4 26.Nd4 Ba3 27.Nc6 Rf8 28.Na7 g6 29.Nb5 Bc5 30.d6 Rd8 31.Rd1 Kg7 32.Bb7 (32.d7 Be7+-) 32...Kf6 (32...Rd7 33.Bc8 Rd8 34.d7+-) 33.Bc6 White plans d7 (better 33.d7 Be7+-) 33...Ke5 (33...Bb4+-) 34.d7 Be7 (34...Kf6 35.Re1+-) 35.Kf1 (35.Re1 Kf6 36.Nc3 Ba3+-) 35...f5 (35...Kf6 36.Re1 Rf8 37.Nd6+-) 36.Rd5 (better 36.Re1 Kf6+-) 36...Ke6 (36...Kf6 37.g4+-) 37.f4 Bc5 (37...Bf6 38.Rd2 Rh8 39.Re2 Kf7 40.Nd6 Kf8 41.Re8 Kg7 42.Rc8+-) 38.Nc7 (better 38.Re5!? Kf7+-) 38...Ke7 39.Ke2 (better 39.Ne8 Kf7+-) 39…h6 (39...h6 40.Nb5 Kf7+-). bjoernsen (2240) - zumpili (2355), Rated Blitz game, lichess.org, 2018.

12.Re1 h6 13.Rc1 Qd6 14.c3 (14.c4 Bb7=) 14...Bf5 (14...a6 15.c4=) 15.Qa4 (15.c4 dc4 16.Nc4 Qe6=) 15...Ng4 16.Nf1 b5 17.Qd1 (17.Qb5 Rab8 Decoy) 17...Nf6 (17...Nge5 18.Ne5 Ne5 19.e4=+) 18.a4 (18.Ng3 Qe6 19.Nf5 Qf5=) 18...a6=+ 19.Qc2 Bh7 (19...Qe6 20.ab5 ab5 21.Ra1=+) 20.Qb1 (20.Ra1 b4=+) 20...Reb8 21.Qc2 (21.ab5 Rb5 22.Qa1 Ra5=+) 21...Ba5 (21...c4 22.Ra1-/+) 22.Red1 (22.ab5 ab5 23.Ng3 b4=+) 22...Rc8 (22...c4 23.ab5 Rb5 24.Ba1=+) 23.Qb1 (23.ab5 ab5 24.Ra1 Qe6=+) 23...Rab8 (23...c4 24.ab5 ab5 25.Ng3=+) 24.Qa1 Ra8 (better 24...Re8!?=+) 25.c4+= Ne8 26.cd5 (26.cb5 ab5 27.ab5 Nb4=) 26...Qd5 27.e4 Qd6 28.Ne3 Bb6 29.Nh4 (29.Nd5 Ba7+=) 29...Ne7 (29...Nd4!? 30.Bd4 Qd4 31.Qd4 cd4+=) 30.Be5 (better 30.Bg4 Rd8 31.a5+=) 30...Qe6? (better 30...Qd8+=) 31.Bg4+- Qc6 32.Bc8 Rc8 33.Nf3 Ng6 (33...Bg6 34.ab5 ab5 35.Qb2+-) 34.Bg3 h5 (34...Nf6 35.Nf5+-) 35.h3 (35.Nd5 Bd8+-) 35...Ne7 (35...Nf6 36.ab5 ab5 37.Qb2+-) 36.Ne5 (36.Qe5!? Qe6+-) 36...Qe6 37.Nf3 Ng6?? (37...Qc6 38.Qe5 Qe6+-) 38.Ng5 (38.ab5 ab5 39.Nd5 Bd8+-) 38...Qe7? (better 38...Qf6 39.Nd5 Qa1 40.Ra1 Bd8 41.Nh7 Kh7 42.ab5 ab5+-) 39.Nh7 Kh7 40.ab5 (40.ab5 ab5 41.Qa6+-) 1-0. bjoernsen (2350) - Kiselicki (2365), Rated Blitz game, lichess.org, 2016.

12.dc4 b6 13.Qb1 Qe7 14.Bd3 Ne5 15.Be5 Be5 16.Ne5 Qe5 17.Nf3 Qc7 18.Ng5= h6 19.Ne4 Ng4 20.Ng3 Be6 21.Qc2 Qe7 22.h3 Ne5=+ 23.Rfd1 Nd3 24.Qd3 Rad8 25.Qc3 Qh4 26.e4 Rd1 27.Rd1 Rd8 28.Rd8 Qd8 29.Nf1 Qd4 30.Qd4 cd4 31.Nd2 b5 32.cb5= Ba2 33.Kf1 Be6 ½–½. Scholz,Guenter – Winkelmann,Herbert, BdF, 2002.

12.Nc4 b6 13.a4 Bg4 14.h3 Be6 15.Re1 h6 16.d4 cd4 17.Nd4 Nd4 18.Qd4 Rc8 19.Rac1 Qe7 20.Qh4 Red8 21.Bf6 Qf6 22.Qf6 gf6 23.g4 Be5 (23...f5 24.gf5 Bd7 25.f4=) 24.f4+= Bc4 (24...Bb8 25.f5 Bd7 26.a5=) 25.Bc4+/- Bb2 26.Rc2 Ba3 27.Kg2 Bc5 (27...Rc5 28.Rb1+=) 28.Kf3+/- Rd6 29.Ree2 Rcd8 30.Bb5 Kg7 31.h4 Rd1 32.h5 Rf1 33.Rf2 Rdd1?? (better 33...Re1 34.Rce2 Rh1+=) 34.Rf1+- Rf1 (34...Rd6+-) 35.Rf2 (better 35.Bf1 Kf8 36.Bb5+-) 35...Rg1 36.Rg2 (better 36.Rf1 Rf1 37.Bf1+=) 36...Rf1?? (better 36...Rg2 37.Kg2 f5+=) 37.Rf2 Rh1 0-1. Chess__Academy (2410) - zumpili (2460), Rated Bullet game, lichess.org, 2021.

12.Nc4 Be6 13.d4 cd4 14.Nd4 Nd4 15.Qd4 Qb8 16.g3 b5 17.Nd2 Rd8 18.Qc3 b4 19.Qc2 Be5 20.Bf3 Nd5 21.Rac1 Bb2 22.Qb2 Nc3 23.Nb1 Na2 24.Rc6 Qb7 25.Nd2 Bd5 26.Bd5 Rd5 27.Rc2 Nc3 28.Rc3 Rd2 29.Qd2 bc3 ½–½. Taus,Martin (2130) – Meissner,Ruediger (2105), ZH–2011–0-00550, 2011.

12.Nc4 Be6 13.Qc2 Qe7 14.a3 Rad8=+ 15.Rac1 Bf5 16.Rfe1 b5 17.Ncd2 Bd6 18.Nh4 Bg4 19.Nb3 Nd7 20.Bg4 Qh4 21.h3 Nce5 22.Be2 a6 23.d4 c4 24.Na5 Bc7 25.Bc3 Ng6 26.Nc6 Rc8 27.Bg4 Ngf8 28.Nb4 Bd6 29.Rb1 h5 30.Bf3 Nb8 31.e4 Ne6= 32.e5 Bb4 33.Re4 Qe7 34.ab4 Ng5 35.Re3 Nf3 36.Rf3 Nc6 37.Qf5 Rcd8 38.Rf4 g6 39.Qe4 Qe6 40.Ra1 a5 41.Ra5 Na5 42.ba5 Qd5 43.Qe3 Re6 44.Bb4 Ra6 45.Qc3 Rd7 46.Bd6 Rda7 47.Bc5 Ra8=+ 48.Bb6 (48.Bb4 Rc8=+) ½–½. Ruhle,Ernest – Cottarelli,Franco, corr ICCF, 2007.

12.Nc4 Bg4 13.Rb1 Rb8 14.a3 Nd5 (14...b5 15.Ncd2 Bf5 16.e4 Bd7 17.Qc2 Bd6 18.Nb3 Qe7 19.Rfc1 b4) 15.Qc2 (15.Ncd2 Re6 16.h3 Bf5 17.Ne4 Rg6 18.h4 Bg4 19.Nfg5 Be2) 15...Qe7 (15...b5 16.Ncd2 Nf4 17.ef4 Re2 18.Qc5 Qd6 19.Rfc1 Qc5) 16.Rfe1 (16.Ncd2 h6 17.g3 Red8 18.e4 Nf6 19.Rfc1 b6) 16...a6 (16...f6 17.g3 f5 18.Ncd2 Ba5 19.e4 Nf6) 17.g3 (17.h3 Bh5 18.Rbc1 h6 19.Ncd2 b6) 17...b5 18.Ncd2 Ba5 (18...Ne3 19.fe3 Qe3) 19.e4 Nb6 (19...Nf6+=) 20.Bc3 Bc3 21.Qc3 Na4 22.Qc2 Rbc8 23.Rbc1 Nd4 24.Qa2 Be6 25.Qa1 Ne2 26.Re2 Red8 27.Re3 Rc7 28.Nb1 Nb6 29.Nbd2 Rdc8 30.Kg2 Na4 31.Nb1 a5 32.Nc3 Nc3 33.Qc3 b4 34.Qb2 Qd6 35.Nd2 Qd4 36.Qa1 b3 37.Rc3 a4 38.Re1 Bd7 39.Nf3 Qf6 40.e5 Qf5 41.Nd2 Rc6 42.f4 Rh6 43.Re2? (better is 43.Kg1 Qh5 44.Nf1-/+) 43...Rh2!!-+ 44.Kh2 Qh5 45.Kg1 Qe2 46.Ne4 0–1. Lebel,Patrick (2125) – Dembo,Yelena (2480), 7th ch–Mediterranean, Rijeka CRO, 2009.

13.Ncd2 Nb4 14.Nb3 (14.Bf6 Qf6 (< 14...gf6 15.d4+/- c4 16.Qb1 a5 17.a4 c3 18.Bb5 cd2 19.Be8+=) 15.d4 cd4 (15...a6 16.dc5 Bf5 17.Qb3 Nc6 18.Bd3 Bd3 19.Qd3+=) 16.Bb5 Rd8 17.ed4 Rb8= (17...Bf5 18.Rc1 Rac8 19.Rc5+=) 18.Qa4 a6 19.Qb4=) 14...Qd6 (14...Bd6 A) 15.a4 ba4 16.Ra4= Nfd5 17.Ra1 Be6 18.Nbd2 a5 19.Ne4=; B) 15.a3 Nbd5 (15...Na6 16.a4 b4 17.d4 Nd7 18.Bb5 c4 19.Bc4+/-) 16.Rc1 Qe7 17.Nfd2 Bb7 18.Ne4 Ne4 19.de4=; C) 15.Qc1 Be6 16.Nc5 Na2 17.Qc2 Bd5 18.d4 Nb4 19.Qb1=) 15.e4 (15.Bf6 gf6 16.Qc1 Bb6+= 17.a4 Be6 18.Nbd2 a6 19.Ne4+=) 15...Nd7 16.Qd2 (16.a3 Na6 17.d4 Re4 18.Bb5 Bb7 19.dc5=) 16...Bb7 (16...a6 17.Rfc1 Bb6 18.a4 Bb7 19.Nh4=) 17.Rfc1 f6 (17...Na6 A) 18.a4 b4 19.a5=+ (19.Qc2=); B) 18.Na5 Bc8 19.d4=) 18.g3 (better is 18.Nc5 Nc5 19.Qb4 Ne4 20.Qb5+=) 18...Bb6=+ 19.Nh4 Qe6 (better is 19...g6=+) 20.d4?? (better is 20.Nd4! cd4 21.Qb4+=) 20...Na2!-+ 21.Ra2 Qb3 22.Ra3 Qb4 23.Qb4 cb4 24.Rb3 Re4 25.Bb5=+ Rd8 26.Bd3 Ree8 27.Bc4 Kh8 28.Rb4 Nb8 29.Bb5 Re4 30.Bd3 Ree8 31.Bb5 Re4 32.Nf5 h5 33.Bd3 Ree8 34.Nh4 Be4 35.Bb5 Re7 36.Ra4 Kh7 37.Re1 Nc6 38.f3?? Nd4?? 39.Bd4+= Rd4 40.Rd4 Bd4 41.Kf1 g5 42.Ng2 f5 43.fe4 fe4 44.Re4! Rf7 45.Ke1 Bg1 46.Bd3 Kg7 47.Re5 Bh2 48.Rg5 Kf8 49.Nh4 Ke7 50.Bc4 Rf6 51.Nf5 Kd7 52.Rh5 (52.Rh5 Bg1 53.Bd5+–) 1–0. Socko,Bartosz (2475) – Pinski,Jan (2320), Poland–ch sf Czestochowa, 1998.

13.Ncd2 Bb7 14.a4 b4 15.Rc1 Bd6 16.Nb3 Nd7 17.d4 cd4 18.ed4 Rc8 19.d5 Nce5 20.Rc8 Nf3 21.Bf3 Bc8 22.g3 Qe7 23.Nd4 Ne5 24.Bg2 Nc4 25.Nc6 Qe2 26.Qe2 Re2 27.Bd4 (worse is 27.Na7 Bd7 (worse is 27...Nb2 28.Nc8 Bc5 29.d6+=) 28.Ba1 b3-/+ (28...Ba4 29.Rc1 b3 30.Rc4 Re1 31.Bf1 Ra1 32.Rc8 Bf8 33.Rb8-+)) 27...b3 28.Bf3 (28.Na7 Bd7 29.Nb5 Bb5 30.ab5 b2+=) 28...Rc2 29.Re1 (29.Ba7? b2 30.Bd4 Nd2 31.Bb2 Rb2-+) 29...Bd7 30.Bg4? (better is 30.Be4!? Nd2 31.Bc2 Nf3 32.Kf1 bc2 33.Bb2 Bh3 34.Ke2 Ne1 35.Ke1+=) 30...f5 (30...Bg4?? 31.Re8 Bf8 32.Ne7 Kh8 33.Rf8) ½–½. Pitra,Andika (2275) – Gunawan,Ronny (2395), Jakarta INA, Indonesia Open, 2013.

13.Ncd2 Qd6 14.Rc1 Bb6!? =.

13.Ncd2 Qd6 14.Rc1 Nd5? 15.Ne4+/- Qh6 16.Rc5 Nce7 17.Rb5 Ba6 (17...Bd7!? 18.Rc5 f5+/-) 18.Rb3+- Nf5 19.Bc1 (19.Qd2 Rab8+-) 19...Rad8 20.Nc5 Bc8 (20...Nh4 21.g3 Qc6 22.Na6 (22.gh4?! Qc5 23.Kh1 Bc8+/-; worse 22.Nh4 Qc5 23.Bd2 Qc6+-) 22...Nf3 23.Bf3 Qa6 24.Qc2+-) 21.e4 Qd6 22.ef5 (22.d4 Nh4 23.e5 Nf3 24.Bf3+- (worse 24.gf3 Re5 25.de5 Qe5-/+; 24.Rf3 Re5 25.de5 Qe5+/-)) 22...Qc5+/- 23.d4 Qd6 24.Bg5 (24.Bd3 Bd7 25.Qd2 Ba4+/-) 24...f6 25.Bh4 Bf5 26.Bc4 Kh8 (26...Qe6 27.Rb7 Qc6 28.Bd5 Rd5 29.Ra7+/-) 27.Bg3 Nf4 28.Re1 Be4 (28...Re4 29.Rb5 Qd7 30.Re3+/-) 29.Rbe3 Qc6 30.Bf7 Re7 31.Qb3 (31.d5 Nd5 32.Bd5 Rd5+-) 31...f5 (31...Ng2 32.Re4 (32.Kg2 Bf3 33.Kg1 Re3 34.fe3 Bg3 35.hg3 f5=+) 32...Ne1 33.Re1 Re1 34.Ne1 Rd4 35.Nf3+=) 32.Bc4 (32.Bh4 Rb8 33.Be7 Rb3 34.Bb3 Bf3 35.Rf3 Ne2 36.Kh1 Nd4+=) 32...Ng2 (32...Rb8 33.Qc3+/-) 33.d5+- Qg6 34.Kg2 Bf3 (34...Ba5 35.Qa3 Bf3 36.Kg1 Re3 37.Re3 Bd2+-) 35.Kf1?? (35.Kf3 Re3 36.fe3 (36.Ke3? Re8 37.Kf3 Re1-+; 36.Qe3?! f4 37.Qe6 Qh5 38.Qg4 Qg4 39.Kg4 fg3 40.hg3 Bd6+-; 36.Re3?! f4+/-) 36...Qg4 37.Kf2+-) 35...Re3 (35...Qg4 36.Kg1 Bg3 37.fg3-/+) 36.Qe3 (36.Re3 Rb8 37.Qa3 Qg4 38.Rf3 Bg3 39.Rg3 Qc4 40.Qd3 Qc8=) 36...Qh5=+ (worse 36...Bd5 37.Bd5 f4 38.Be4+=) 37.h4 (37.Kg1 Ba5 38.Rc1 Bb6=+) 37...f4-/+ (37...Bd5?! 38.Bd5 f4 A) 39.Qa7? A1) 39...Rd5?? 40.Qc7 h6 41.Qf4+-; A2) 39...fg3?! 40.Qc7 Qd5 41.Qg3=+ (41.fg3?? Qh1 42.Ke2 Re8 43.Kd3 Qe1-+); A3) 39...Qd5 40.Qc7 A31) 40...fg3?! 41.Qg3 (worse 41.fg3 Qh1 42.Ke2 Re8 43.Kd3 Qe1-+) 41...Qh1 42.Qg1 Qh4 43.Qg3 Qh1 44.Qg1 Qh3 45.Qg2 Qd3 46.Kg1=+; A32) 40...Qh1 41.Ke2 Re8 42.Kd3 Qe1 43.Bf4 Qf1 44.Kc3 Qf2-+; B) 39.Qf3 Qf3 40.Bf3 fg3 41.Re7=+) 38.Bf4 Ba5 (38...Bf4 39.Qf4 Bd5 40.a4-/+) 39.Qe7 (39.Be2!? Be2 40.Qe2 Qd5 41.Qe8 Re8 42.Re8 Qg8 43.Rg8 Kg8 44.Be3=) 39...Rg8 (39...h6 40.Be5 Qg4 41.Bg7 Qg7 42.Qg7 Kg7 43.Re7 Kf6 44.d6-/+) 40.Qg5=+ Be1 41.Qh5 Bh5 42.Ke1 Re8 43.Be3 Bf7 44.Ke2 Rd8 45.Ba7 Bd5 46.Bd5 (46.Bb3!?-/+) 46...Rd5-+ 47.Kf3 Ra5 48.Bb8 h5 49.Bf4 Kh7 50.Kg3 (50.Ke4 Ra2 51.Bg3 Kg6-+) 50...Kg6 51.f3 Kf5 52.Bg5 Ra2 53.Bd8 Ke5 54.Bc7 Kf5 55.Bd8 Rc2 56.Bg5 Ke5 57.Bd8 Kd4 58.Kf4 Rg2 59.Bg5 g6 60.Bh6 Rg1 61.Bg5 Kd5 62.Bd8 Ke6 63.Bg5 Kf7 (63...Rb1 64.Bd8-+) 64.Bd8 (64.Ke5 Rb1-+) 64...Rb1 65.Kg3 Rb4 66.Bg5 Ke6 67.Bd8 Ke5 68.Bg5 Rb6 69.Kf2 Ra6 70.Kg3 Kd4 71.Kf4 Ra5 72.Bd8 Rb5 73.Bg5? (73.Bf6 Kd3 74.Kg3 Rf5-+) 73...Kd3 (73...Rf5!? 74.Kg3-+) 74.Be7 Rb7 (74...Ke2 75.Ke4-+) 75.Bd8 Rb5 76.Be7 Ke2 77.Ke4 Kf2 78.Bd6 (78.f4 Kg3-+) 78...Kg2 (78...Rb3 79.f4 Rh3 80.Be5 Rh4 81.Bc7-+) 79.Be7 Ra5 80.f4 Kg3 81.Bg5 (81.Ke3-+) 81...Rg5! 82.hg5 (82.fg5 Kh4 Decoy; 82.hg5 h4 Passed pawn) 82...Kg4 (better 82...h4 83.f5 h3 84.fg6 h2-+) 83.Ke5= h4 84.f5 h3 85.fg6 h2 86.g7 h1Q 87.g8Q Qe1 88.Kf6 Qf2 89.Ke7 ½-½. Teichmann,Erik O M C (2365) – Levi,Eddy (2255), Australian Masters, 2000.

13.Ncd2 Qd6 14.Rc1 Nd5? 15.Ne4+/- Qh6 16.Rc5+– Nce7 17.Qc1 Bb8 18.Rb5 Bg4 19.h3 Bf3 20.Bf3 a6 21.Rb7 Ra7 22.Ra7 Ba7 23.Qc4 Rc8 24.Qa4 f5 25.Qd7 Bb6 26.Nd6 Rd8 27.Bd5 Nd5 28.Qf7 Kh8 29.Ne8 (29.Ne8 Nf6 30.Qf8 Ng8 31.Qg7 Qg7 32.Bg7) 1–0. MrkT – seraphimvulture, internet, 2005.

14.a4 ba4 15.Qa4 Nb4 16.d4 Nd3 17.Ba3 Bb6 18.Nb3 Nd5 19.Qc4+/- cd4 20.Bd3 Rc8 21.Bc5 Bd3= 22.Qd3 Bc5 23.Nc5 Rc5= 24.Nd4 Nb4 25.Qa3 a5 26.Nb3 Rc3 27.Rfc1 Rd3 28.Qa4 Nc2 29.Rab1 Re5 30.Qc4 ½–½. Woelfelschneider,Peter – Wiesner,Norbert, PCM–F TSC, 2002.

14.a4 ba4 15.Qc1 =.

14.a4 b4 15.Nb3 Qd6 16.Qc2 Nd7 17.Rfc1 Nde5 18.Ne5+/- Ne5 19.Nc5 Nc4 20.g3 Nb2 21.Qb2 a5 22.d4 Rac8 23.Rc4 Bb6 24.Rac1 Rb8 25.Bf3 Qf6 26.Bg2 Qd6 27.e4 Bg4 28.e5 Qg6 29.Qb3 Rbd8 30.h3 Be6 31.Ne6 fe6 32.Qe3 Qh5 33.Rb1 Rf8+= 34.Qe4 Rf7 35.Rbc1+= Rfd7 36.Qc6 Bd4 37.Qe6 Qf7 38.Qf7 Kf7 39.Bc6. Fritz 6 – Fritz 8, 2004.

14.a4 b4 15.Rc1+= Bb6 16.Nb3 Qd6 17.Bf6 gf6 18.Nfd2 Rad8 19.Nc4 Qe7 20.Re1 Bc7 21.f4 Nb8 22.d4 cd4 23.Nd4 Kh8 24.Nf5 Rd1 25.Ne7 Re1 26.Re1 Re7 27.Rd1 Nd7 28.a5 Nc5 29.Rd5 Ne4 30.Bf3 Nc3 31.Rd2 Na4 32.Bc6 Nc5 33.Rd5 Ne4 34.Rb5 Nd6 35.Nd6 Bd6 36.Rd5 Bc7 37.Kf2 Re6 38.Bb7 Re7 39.Ba6 Re6 40.Bd3 Rd6 41.Rd6 Bd6 42.Ke2 Kg7 43.a6 b3 44.Bf5 Bc5 45.g3 Ba3 46.Kd3 Bc5 47.e4 ½–½. marekt – Gamekeeper, internet, 2005.

14.a4 b4 15.Rc1 Bb6 16.Nb3 Qd6 17.Bf6 gf6 18.Nfd2 Rad8 19.Nc4 Qe7 20.Re1 Be6 21.Qc2 Kg7 22.d4 cd4 23.Nb6 Bb3 24.Qb3 (24.Qc6 ab6 25.Rb1 Qe6 26.Qe6 Be6+=) 24...Na5 25.Qd1 ab6 26.Bb5 (26.ed4?! Qe4 27.Bf1 Qe1 (27...Rd4?? 28.Re4 Ree4 29.Qf3+–) 28.Qg4 Kh8 29.Re1 Re1=) 26...d3 27.Be8 d2 28.Qg4 Kh8 29.Bb5 Nb3 30.Rb1 de1Q 31.Re1 Nd2 32.Qf5 Qe5 33.Bd3 Qf5 34.Bf5 b3 35.f4 Nc4 36.h4 Rd2 37.h5 h6 38.Bb1 Nb2 39.Rc1 Rd1 (39...Rd1 40.Rd1 Nd1-+) 0–1. Yarmolyuk,Yury (2130) – Rakovic,Miroslav (2210), RH–2007–0-00098, 2007.

14.a4 b4 15.Rc1 Nd7 16.Nb3 Qe7 17.d4 Be4 18.Bd3 cd4 19.Be4 Qe4 20.Qc2 Qc2 21.Rc2 Ndb8 22.Nfd4 Be5 23.Rd1 Rd8 24.Kf1 Ne7 25.Ke2 f6 26.Rdc1 Kf7 27.f4 Bd4 28.Bd4 f5 29.Rc7 Rd7 30.Rd7 Nd7 31.Rc7 (31...Ke6 A) 32.Bg7?! Rg8 33.Be5 Ne5 34.fe5 Nd5 35.Ra7 Rg2 36.Kd3 Ke5+= (36...Rh2?? 37.Nd4 Ke5 38.Nf3 Ke6 39.Nh2+–); B) 32.Ra7 Ra7 33.Ba7+/-) 1–0. Woelfelschneider,Peter – Trokenheim,Marek, TT–12, 2004.

14.Nb3 Bd6 15.Rc1 Nd7 16.Qd2 a5 17.d4 c4 18.d5 Nce5 19.Nbd4 Nf3 20.Nf3 Nb6 21.Nd4 Bb4 22.Qd1 Qd5 23.Nf5 Qf5 24.Qd4 Qg6 25.Rfd1? Re4-+ 26.Qg7 Qg7 27.Bg7 Kg7 28.Bf3 f5 29.Be4 fe4 30.Kf1 Bc5 31.Ke2 b4 32.g4 a4 (32...a4 33.f3 ef3 34.Kf3 Rf8 35.Ke2 Re8-+) 0–1. agrillage – marekt, schemingmind.com, 2005.

14.Nb3 Nd7 15.Rc1 Qe7 16.Qd2 Bd6 17.Rfd1 Rac8 18.a3 Nde5 19.d4 Nf3=+ 20.Bf3 c4 21.Na5 Bh2 22.Kh2 Qc7 23.g3 Na5-+ 24.d5 Nb3 25.Qc3 f6 26.d6 Qd7 27.Kg2 Nc1 28.Bc1 Be4 29.Be4 Re4 30.Qd2 Re6 31.Qd5 Rd8 32.Rd4 Kh8 (32...Kh8 33.Qh5 a6-+; 32...Qd6?! 33.Qb5 Qe7 34.Rd8 Qd8 35.Qc4 Qa8 36.f3-+) 0–1. Lewis,MA – Simons,Martin, Dorset Congress, 2001.

14.Rc1 Bb6 15.Nb3 Qd6 16.Bf6 Qf6 (16...gf6!? 17.Nc5 Bc5=) 17.Nc5+/- Rad8 18.Qb3 b4 19.Na4 Ba5 20.e4 (20.Qb2!? Qh6 21.Nc5+/-) 20...Bg4 21.Rfe1 (21.Qb2 Qh6 22.Nc5=) 21...Bf3+= 22.Bf3 Nd4 23.Qb2 Nf3 24.gf3 Qf3 25.Re3 Qf4 26.Rg3 Qh6?? (better is 26...g6=) 27.Qb3 (better is 27.Rc5 Rc8 28.Ra5 Qc1 29.Kg2 Qb2 30.Nb2+–) 27...Qc1-+ 28.Kg2 Qh6 (28...Bc7 29.Rg4-+) 29.Nb2 (29.Rf3 Re7-+) 29...Bc7 30.Rh3 Qg5 31.Kf1 Be5 32.Nc4 Bc3 33.Ne3 Rd3 34.Rg3 Qh5 35.Rg2 Red8 36.Nd5 Rd1 0–1. atul (1745) – white_noise (1770), gameknot.com, 2013.

12.ed4 Nd4 13.Nd4 cd4 14.Nb3 a5 15.Qc2 Bg4 16.Nd4+= Qd6 17.g3 Be2 18.Ne2 Rac8 19.Rae1 Bb6 20.Qc3 h5 21.Nf4 h4 22.Re5 Re5 23.Qe5+– Qe5 24.Be5 hg3 25.hg3 Bc7 26.Bf6 (26.Bf6 Bf4 27.Bc3+–) 1–0. marekt (2030) – genseric (2030), internet, 2007.

12.ed4 Nd4 13.Nd4 cd4 14.Nf3 Qe7 15.Re1 (15.Nd4? Be5-+) 15...Ba5 16.Nd2 (16.Nd4!? Be1 17.Qe1+=) 16...Qb4-/+ 17.Bc1 Qc3?? (better is 17...Bd7-/+) 18.Rb1+= Bb6 19.Nb3 Qb4 20.Bb2 Qd6 21.Bf3 (21.c5 Bc5 22.Nc5 Qc5=) 21...Re1= 22.Qe1 Ng4?? (better is 22...Bf5=) 23.Qe8+– Qf8 24.Qf8 Kf8 25.Re1 Bd7? (25...f6 26.Bd5 (26.Bd4?! Rb8+–; 26.Nd4?! Ne5+–) 26...g5 27.Ba3 (27.Bd4?! Bd4 28.Nd4 Ne5+–; 27.Nd4?! Ne5+–) 27...Kg7 28.Re8+–) 26.Bb7 (26.Ba3 Kg8 27.Bd6 Nf6+–) 26...Rd8? (26...Rb8 27.Bf3 Bc7 28.Ba3 Kg8 29.Re7 Bh2 30.Kh1+–) 27.h3 (27.Bd4?! Bd4 28.Nd4 Be8+–; 27.Nd4?! Ba4 28.Bd5 Bc5+–) 27...Nf6 28.g4 (28.c5 Bc7 29.Nd4 Ba4+–) 28...Ba4 (28...Be6 29.f4+–) 29.Bg2 Nd7 (29...Bb3 30.Ba3 Kg8 31.ab3+–) 30.Nd4 (30.Ba3 Kg8 31.c5 Bc7+–) 30...Bd4? (better is 30...Nf6 31.Nb3 Rd3+–) 31.Bd4 Nb6 32.Bc5 Kg8 33.Bb6 ab6 34.Bd5 g6 35.Re7 Be8 36.f4 Kf8 37.Rb7 Rd6 38.Kf2 Bd7 39.Ke3 Ke7 40.Ke4 f5 41.gf5 gf5 42.Kd4 Kf6 43.Rb8 b5 44.c5 Ra6 45.Rb6 Rb6 46.cb6 Bc8 47.b7 Bb7 48.Bb7 1–0. heaterhog (1800) – aufmuntern (1725), gameknot.com, 2009.

12.e4 Qd6 13.Re1 g5 14.Nf1 h6 15.Bc1 Kh8 16.Rb1 b6 17.Ng3 Bd7 18.h4 g4 19.Nh2 Nh5!? 20.Nhf1 Qg6 21.Nh5 Qh5-/+ 22.g3 f5 23.f3 fe4 24.fg4 Qg6 25.de4 Qe4 26.Bh6= Ne5 27.Nd2 Qg6 28.Bf4 d3 29.Bf3 Nf3-/+ 30.Qf3 Bg4 31.Qf2 Rf8 32.Kh2 Bf4 33.gf4 Qh5 34.Qg3 Rad8 35.Re5 Rf5 36.Rbe1 Rg8 37.Rf5? Bf5-+ 38.Qf2 Qg4 39.Re3-/+ Rg7 40.Qg3 Qg3 41.Rg3 Re7 42.Rg5 Re2 43.Kg3 Rd2 44.Rf5 Ra2 45.Rd5 d2 46.Kf3 a5 47.Ke2 Rc2 48.Rd6 a4 49.Kd1 Rc4-+ 50.Rb6 Rd4 51.Ra6 Kg7 52.h5 Rf4 53.Kd2 Rd4 54.Kc3 Rh4 55.h6 Rh6 56.Ra4= Rh3 57.Kc4 ½–½. Labahn,Wolfgang (2265) – Dietzel,Jan Arthur, NRW–Liga I, 1994.

12.e4 Nd7 13.g3 Nde5 (13...Qf6 14.Rb1-/+) 14.Ne5=+ Ne5 15.f4 Nc6 16.Bf3 Rb8 17.a3 Ne7 (17...Bh3 18.Rf2=+) 18.Rb1 a6 19.Bc1 b6 20.Re1 White intends e5 20...Ng6 21.e5 f6 (21...Qe7 22.Ne4=) 22.Bd5+= Kh8 23.e6 (23.Qh5 Be6 (23...fe5? 24.Bf7 Nf4 25.gf4+-) 24.Be6 Re6+=) 23...f5 (23...Ne7!? 24.Be4 f5-/+) 24.Nf3= h6 25.Rb2 Qf6 26.Rbe2 Ne7 (26...Re7=) 27.Nh4 (27.Ne5!? Be5 28.Re5=) 27...b5 (27...Nd5 28.cd5 Bb7 29.Qb3=) 28.Bd2 Nd5 29.cd5 Bb7 30.Re5 (better 30.Qc2!? Rbc8 31.Qc5 Bf4 32.Qc8 Bc8 33.Bf4=) 30...Be5-+ 31.Re5 g6 32.Qe2? (better 32.Qc2 Rbc8 33.Ba5 Bd5 34.Rd5 Qe6 35.Rc5 Rc5 36.Qc5=) 32...Re7?? (better 32...Rbd8-+) 33.d6+/- Ree8 (better 33...Rg7+/-) 34.d7+- Re7 (34...Kg7 35.de8R Re8+-) 35.Ba5 Rg7 (35...Kg7 36.d8Q Rd8 37.Bd8 Kh7+-) 36.e7 White prepares the advance d8 36...Qc6 Black plans c4 37.d8Q Kh7 (37...Rg8 38.Kf2 Rbd8 39.ed8R+-) 38.Nf3 (38.Qb8 Qh1 39.Kf2 Qh2 40.Ke1 Qg3 41.Kd1 Bc6+-) 38...Rd8 (38...Qe8 39.Qb8! Qb8+-) 39.ed8Q c4 40.Re8 (40.Re8 Qe8 41.Qee8 g5 42.Ne5 gf4 43.Qh8) 1-0. bjoernsen (2400) - ACFKC (2400), Rated Blitz game, lichess.org, 2016.

13.Nb3 Be5 14.Ne5 Re5 15.Bf3 +/-.

13.Re1 Ba5 14.h3=+.

13.Re1 Bg4 14.h3 (14.Nb3 Qd6 15.c5 Qd7=) 14...Bh5 (14...Bf3 15.Bf3 Re1 16.Qe1 Qd6=+) 15.Nf1 (15.Nb3!?=) 15...Qd6 (15...Ba5 16.N1d2-/+) 16.N3h2 (16.Ng3 h6=+) 16...Be2 (16...Ba5!? 17.Nd2-/+) 17.Re2-/+ Re2 18.Qe2 Re8 19.Qf3 (19.Qd1 h6-/+) 19...Ne5 20.Qg3? (better 20.Qf4-/+) 20...Qb6-+ 21.Rb1 (21.Bc1 g6 22.h4 Nc4 23.Bf4-+) 21...Nc4! 22.dc4 (22.Bd4 Bg3 23.Bb6 Bh2 24.Kh2 Nb6 25.Ne3-+) 22...Bg3 23.Ng3 d3 24.Nf3 Ne4 25.Nf1 (25.Ne4 Re4 26.c5 Qc5 27.Rc1-+) 25…Qf2 (25...Qf2 26.Kh2 Ng5-+) 0-1. bjoernsen (2370) - gegitor (2440), Rated Blitz game, lichess.org, 2016.

13.h3 Qd6 14.Re1 Bf5 (14...Ba5 15.Qb3+=) 15.Nf1 (15.Nb3 Nd7 16.Bd4 Nde5 17.Ne5 Ne5+=) 15...Bg6 (15...Ba5 16.Ng3 Be1 17.Nf5 Qc5 18.N5d4 Bf2 19.Kf2 Rad8-/+) 16.Qd2? (better is 16.N1d2!?+=) 16...Nh5 17.a4? (better is 17.g3-+) 17...Ba5 18.Qc2 (18.Qd1 Nf4 19.Ng3 Ne5-+) 18...Be1 19.Ne1 Nf4 20.Bf3 (20.Ng3 Qb4 (worse is 20...Ne2 21.Ne2 Bh5 22.g4-+) 21.Rd1 Re6-+) 20...Qf6 (20...Ne5!? 21.Qb3-+) 21.Qd2 (21.Ng3 Rad8-+) 21...Ne5 (21...Rad8 22.Ng3-+) 22.Bd4 Rad8 (22...Nh3 23.Kh1 Rad8 24.Be5 Re5 25.d4-+ (25.gh3?? Rd3 26.Qb4 Rf3 27.Qb7 Rd3 28.Qb8 Rd8-+)) 23.Be5 (23.Bd5 Nd5 (23...Bd3?! 24.Nd3 Nfd3 25.Qd3 Nd3 26.Bf6 gf6 27.Bb7-/+) 24.cd5 Rd5-+) 23...Qe5 (23...Re5?! 24.Rd1-+) 24.Rb1 b6 25.Bc6 Re6 26.Nf3 (26.Bd5 Nd5 27.cd5 Qd5 28.Ne3-+) 26...Qf6 27.Bb7 (27.Bd5 Re2 28.Qd1 Bd3-+) 27...Re7 (27...Re2 28.Qb4 Nd3 29.Qb5-+) 28.Bd5 Bd3 (better is 28...Re2 29.Qd1 Bd3 30.Ng3-+) 29.Re1 Bc4! 30.Bf7 (30.Bc4 Qc6 Double attack (30...Rd2 Pinning; 30...Rd2 Deflection; 30...Qc6 Decoy; 30...Rd2 Clearance)) 30...Rf7 (30...Rf7 31.Qe3 Rd3-+; 30...Kf7?! 31.Qd8 Re1 32.Qf6 Kf6 33.Ne1-+) 0–1. Perdomo Araujo,Angel E (2050) – Silva Rodriguez,F (2255), 81st Spanish Championship Rapid, 2016.

13.h3 Bf5 14.Re1+=.

14.Nfd4 Qd6 15.g3 Be2 16.Ne2 Rad8 =.

14.Nfd4 Be2 15.Ne2 Qd6 16.Ng3 Rad8 17.d4 White plans c5 (17.Qf3 Re6+/-) 17...h5 18.c5 Qf4 19.Qf3 (19.Re1 Ng4 20.Qf3 Qf3 21.gf3 Nf6+=) 19...Qf3= 20.gf3 Nd5 (20...h4 21.Nf5=) 21.Rfe1 (21.Nh5 Ncb4+/-) 21...h4 22.Nf5 g6 (22...h3 23.Re4+=) 23.Nh4+/- Nf4 (23...Ncb4 24.Re4+/-) 24.Ng2 (24.Re8 Re8 25.Ng2 Nb4+/-) 24...Nd3? (better 24...Re1 25.Ne1 Ne2 26.Kg2 Ncd4+=) 25.Re8+- Re8 26.Bc3 Re2 27.Rd1 (27.d5 Ncb4 28.d6 Bd8+-) 27...Nb2 (27...Nf2!? 28.Rd2 Rd2 29.Bd2 Nh3 30.Kf1 Bh2+/-) 28.Rd2+- Rd2 29.Nd2 (29.Bd2 b6+-) 29...Na4 30.Ba1 b6 31.cb6 (31.d5 Nb4 32.d6 Bb8+/-) 31...ab6 (31...Bb6!? 32.d5 Nb4+/-) 32.Ne3+- Nb4 33.d5 (33.a3!? Nd3+-) 33...Na2+/- 34.Ndc4 Nc5 35.d6 Bd8 36.Bd4 Nb4 37.Ng4 Nc6 38.Bf6 (38.Bc5!? bc5 39.Kf1+/-) 38...Bf6 (38...b5 39.Nce5 Ne5 40.Bd8 Nf3 41.Kg2 Ne1 42.Kf1+=) 39.Nf6+/- (39.Nf6 Kg7 40.Ne8 Kf8 41.Nc7+=) 1-0. Chess__Academy (2385) - zumpili (2375), Rated Bullet game, lichess.org, 2020.

14.Nfd4 Be2 15.Ne2 Ng4 16.g3 Qg5 17.Ned4 Qh5 18.Nf3 Rad8 19.Nh4 g5 20.Nf3 Re6 21.Qd2 Nh2 22.Qg5 Qg5= 23.Ng5 ½–½. Skerlik,Stanislav (2350) – Ryvova,Anna (2310), WS/MN/021 ICCF, 2007.

14.g3 Qd7 15.Rb1 Be5=+ 16.Re1 b6 (16...Rad8 17.Ne5 Re5 18.f3 Bf5 19.g4 Be6=) 17.a4 (17.Qd2 Rad8 18.Ne5 Re5 19.f3 Bh5+=) 17...Re7 18.Ne5 Re5 19.Bg4 (19.f3 Bh3=) 19...Re1 20.Qe1 Ng4 21.Qe4 Nf6 (21...Rd8 22.Re1=) 22.Qf4 Re8 23.Nd4 Ne5 24.Qf5 Qa4 25.Re1 Ned7 26.Re8 Ne8 27.Nb5 Nf8 28.Qc8 Qd1 29.Kg2 Qe2 30.Ba3 (30.Na7?! Nd6 31.Qc6 Qd3+=) 30...h5 31.h4 a5 32.Qd8 Ng6 33.Nd4 Nf4 (33...Qd3 34.Qe8 Kh7 35.Bb2 Qc4 36.Nf3+–) 34.gf4 Qg4 35.Kh2 (35.Kh1!? Qh3 36.Kg1 Qg4 37.Kh2 Qf4 38.Kh1 Kh7+–) 35...Qf4+/- 36.Kh1 Kh7 37.f3 Nf6 38.Qb6 Qh4 39.Kg2 Qg5 40.Kf2 Qh4 41.Ke2 Qh2 42.Kd1 Qg1 43.Kc2 h4 44.Qc5+– Qg2 45.Kb3 h3 46.Qf5 Kg8 47.Bd6 h2 48.Bh2 Qh2 49.Qa5 Qd6 50.Kc3 g6 51.Ne2 Kf8 52.Qb4 Ke7 53.d4 g5 54.Ng3 Qb4 55.Kb4 g4 56.fg4 Ng4 57.Ne2 Ne3 58.c5 (58.c5 Kd7 59.Kb5+–) 1–0. Poschmann,Hans (2195) – Soberano,Joaquim Pedro (2350), IECC, 1998.

14.g3 Qd7 15.Nfd4= Nd4 16.Bg4 (16.Bd4?? Be2 (16...Re2?! 17.f3 Rae8 18.Bf6=+) 17.Qc2 Bf1 18.Rf1 Be5 19.Be5 Re5-+; 16.Nd4 Be5 17.Bg4 Ng4=+) 16...Ng4 17.Bd4 (17.Nd4? Be5 18.Rb1 Bd4 19.Bd4 Qd4 20.Rb7 Ne5-+) 17...Qf5 (17...Be5!? 18.Be5 Ne5= (< 18...Re5 19.d4 Re7 20.Nc5+=)) 18.h3 Nh6 19.Kg2 a5 20.a4 Rad8 21.Qf3 Qf3 22.Kf3 Nf5 23.Rfe1 f6?? 24.Re8+– Re8 25.Bc3 b6 26.Rd1 Kf7 27.Nd4 Ne7 28.Nb5 Bb8 29.Bd4 Nc8 30.Be3 Ke6 31.Nc3 Kd7 32.Nd5 Kc6 33.Rb1 Bc7 34.Rb5 Bd8 35.Rb1?? Re6?? 36.d4 Re8 37.Nf4 Re7 38.d5 Kd7 39.Ne6 Bc7 40.c5 bc5 41.Rb7 Re6 42.de6 Kc6 43.Rb5 Bb6 44.Bd2 c4 45.Ba5 Ba7 46.Bb4 g6 47.e7 Kd7 48.Rd5 (48.Rd5 Nd6 49.Rd6 Ke7 50.Ra6 Ke8 51.Ra7+–) 1–0. Massana,Jorge (2225) – Tapaszto,Laszlo (2265), Novi Sad ol (Men), 1990.

14.g3 Be5 15.Rb1=+ (15.Re1) 15...Qd7 16.Re1 Rac8 17.Nc5 Qe7 18.Nb3 Qd6 19.Nfd2 Qd7 =.

12.cd5 Bd5 13.Qa4 (13.e4 Be6=) 13...Nd7 (13...a6 14.e4 Be6 15.Rac1+=) 14.Rfc1= b5 15.Qg4 (15.Qd1 Qe7=) 15...Nce5 16.Ne5 Ne5 (16...Be5 17.Be5 Ne5 18.Qg3=) 17.Qh5= Re6 18.f4? (better is 18.Rc5 Rh6 19.Qf5=) 18...Rh6-+ 19.Qg5? (better is 19.Qf5 Be6 20.Qg5-+) 19...Qg5?? (better is 19...f6 20.Qh6 gh6 21.fe5 fe5-+) 20.fg5= Rc6 21.Nf3 f6 (21...Nf3!? 22.gf3 Re8=) 22.gf6 gf6 23.e4 Bf7 24.d4 cd4 (24...Nc4 25.d5 Rb6 26.Bc4 bc4 27.Ba3=) 25.Rc6+= (worse is 25.Nd4 Bb6 26.Kf1 Rc1 27.Rc1 Nc4+=) 25...Nc6 26.Rc1 Bb6 27.Bb5 (better is 27.Rc6!? d3 28.Rb6 ab6 29.Bd3 Ra2 30.Bf6+=) 27...Ne5+= 28.Ne5 (28.Kf1 Rd8+=) 28...fe5 29.a4?? (better is 29.Kf1+=) 29...d3-+ 30.Kf1 (30.Kh1 d2 31.Rf1-+) 30...d2 31.Rd1 Ba5 (better is 31...Rf8 32.Ke2 Bh5 33.Kd2 Rd8 34.Bd3 Bd1 35.Be5 Kf7-+) 32.Be5-/+ Bb3 (32...Rf8!? 33.g4 a6-/+) 33.Ke2+= Bd1 34.Kd1 Rc8 35.Bb2 Kf7 36.Bd3 Bb4 37.Bc2 Ke7 38.Bd4 a5 39.Be3 Kd6 40.Bd2 (40.Bd4!?+=) 40...Bd2-/+ 41.Kd2 Ke5 42.g3 Rc6 43.Bd1 (43.Kd3 Rd6 44.Kc3 Rf6-/+) 43...Rd6 44.Ke2 Rh6 45.h4 Rg6 46.Kf3 Rd6 47.Ke2 Rd4 48.Bc2 Rc4 49.Kd2 h5 50.Kd1 (better is 50.Kd3!? Re4 51.Bd1-/+) 50...Rc3-+ 51.Kd2 Rg3 52.Bd1 Ra3 53.Bh5 Ra4 54.Bg6 Kd4 (54...Rc4 55.Kd3 Rc8 56.Bf7-+) 55.Kc2 (55.h5 Ra2 56.Kc1 Rh2-+) 55...Rb4 56.h5 a4 (56...Rb6 57.Bf5-+) 57.h6 a3 58.h7 Rb2 (58...Rb8 59.Bf7 Rb2 60.Kc1-+) 59.Kc1 Rh2 60.Kb1 Kc3 (60...Ke5 61.Bf5-/+) 61.Ka1 (61.e5 Kb3 62.Bf7 Kb4 63.Bg8=) 61...Kb4 (better is 61...Kc4-+) 62.e5= a2 63.Bf7 Ka3 64.h8Q Rh8 65.Ba2 Rh1 66.Bb1 Re1 67.e6 Re6 68.Bc2 Kb4 69.Kb2 Re2 70.Kb1 Kc3 71.Bf5 Re5 72.Bg6 Rb5 73.Ka1 Rb8 74.Bf5 Rb2 75.Bg6 Kb3 76.Bf5 Ka3 77.Bg6 Rb4 78.Bf5 Rf4 79.Bh7 Kb3 80.Bg8 Ka3 81.Bh7 Rf1 82.Bb1 Rf2 83.Be4 Rh2 84.Kb1 Re2 85.Bd3 Rb2 86.Ka1 Rd2 87.Bf5 Rd1 88.Bb1 Rb1 ½–½. Teichmann,Erik O M C (2310) – Mulay,Pratik (1980), 39th Open Internacional de Barbera del, 2016.

12.Ng5 Bf5=+ 13.cd5 Nd5 14.Nge4 b6 15.a3 Be5 16.Be5 Ne5 17.d4 cd4 18.ed4 Ng6 19.Bf3 Ngf4 20.Rc1 Qd7 21.Qb3 Rad8 22.Rfd1 Bg6 23.g3 Nh3 24.Kg2 Bf5 25.a4 Qe6 26.Re1 Qg6 27.Qb5 Kh8 28.Qf1?? (Better is 28.a5=+) 28...Ndf4-+ 29.Kh1 Nd3!! 30.Bg2 Nc1 31.Rc1 Be4 32.Ne4 Re4 33.Be4 Qe4 34.f3 Qf5 35.Rc7 Rd4 36.Ra7 h6 37.a5 ba5 38.Rb7 Qc2 39.Re7 Rd2 40.Re8 Kh7 41.Re2 Re2 42.Qg1 Ng1 43.h4 Rh2 44.Kg1 Qf2# 0–1. DoctorWho – crafty, ICC, 1998.

13.Qa4 Rc8=.

13.h3 dc4 14.Nc4 Rb8 15.Ng5=+.

13.h3 Qd6 14.cd5 Nd5 15.Nc4 (15.d4 cd4 16.Bb5 Bd7=) 15...Qd7 (15...Qe7 16.d4=+) 16.d4= cd4 17.Nd4 Nd4 18.Qd4 f6 19.Rfd1 Rad8 20.Bf3 Ne7 (20...b5 21.Na3 Be5 22.Qd2=) 21.Qd7+= Rd7 22.Rd7 Bd7 23.Rd1 Be6 24.Nd6 Rd8 25.a4?? (better 25.Nb5 Rd1 26.Bd1=) 25...Rd6-+ 26.Rd6 Bd6 27.Bd4 (27.Be2 Bd7 28.Bd1 b5 29.ab5 Bb5 30.Bb3 Kh8-+) 27...Bc5 (27...Bb3!? 28.a5 ba5 29.Kf1-+) 28.Bc3 Bd5 29.Be2 Nc6 0-1. Jurekszach (2365) - zumpili (2340), Rated Bullet game, lichess.org, 2019.

13.h3 Qd6 14.Bf6 gf6 15.Qb3 f5=.

13.h3 Qd6 14.Bf6= gf6 15.Re1 Kh8 16.a3 Rg8 17.Kf1 Rg6 (17...Qd7 18.Ng1=+) 18.cd5 (18.d4 Rag8 19.Nh4 Rh6 20.dc5 bc5 (worse 20...Qc5 21.cd5 Qd5 22.Ndf3+/-) 21.cd5 Bh3= (worse 21...Qd5 22.Ndf3+/-)) 18...Bd5 (18...Bh3!? 19.gh3 Rag8=+) 19.Ne4= Qd7 20.Nh4 Rh6 21.Nf3 (21.Bg4!? Be6 22.Be6 fe6 23.Nf3=) 21...Rg8 22.Ng1 (22.Nfd2!?-/+) 22...f5-+ 23.Bf3? (better 23.Ng3 f4 24.ef4 Bf4 25.Bg4-+) 23...fe4 24.de4 Be6 25.Qc2 (25.Qd7 Bd7 26.Red1 Be6-+) 25...Ne5 26.Qb2 (26.Red1 Qe7 27.Be2 Qh4-+) 26...f6 27.Red1 Qg7 28.g4 (28.Qe2 Nf3 29.Qf3 Rg6-+) 28...Rh3! 29.Nh3 Nf3 30.g5 (30.Nf4 Bg4 31.Rd5 Qh6-+) 30...Ng5 (better 30...Bh3 31.Ke2-+) 31.Ng5 Qg5 (worse 31...fg5 32.Qc2-+) 32.Ke2 (32.Rd5 Be5 33.Qc2 Qg2 34.Ke2 Bg4 35.Kd3-+) 32...Be5 33.Qb5 Qh5 (better 33...Qg4 34.Ke1 c4 35.Qc4 Bc4 36.Rc4-+) 34.Kd2 Bg4 (better 34...Qf3!? 35.Kc2 Qf2 36.Rd2 Qe3 37.Qd3 Qd3 38.Rd3 Rg2 39.Rd2 Bb3 40.Kb3 Rd2 41.a4-+) 35.Kc2 Bd1 36.Rd1 Qf7 (better 36...Qf3 37.Rd2 Qe4 38.Qd3 Qd3 39.Rd3 Rg2 40.Rd8 Kg7 41.Rd7 Kg6-+) 37.Qd7 (37.Rd5 Qg6 38.Qc4 b5 39.Qc5 Qe4 40.Kd2 a6-+) 37...Qd7 (37...Qa2 38.Kc1 Qb2) 38.Rd7-+ h5 (better 38...Rg2 39.Rd2-+) 39.f4 h4 (39...Rg2!? 40.Kb3 Bb2 41.Rd5-+) 40.fe5 h3 (worse 40...fe5 41.Rd6 Kg7 42.Rd7 Kh6 43.Rd6 Kg5 44.Rd1-+) 41.ef6 (41.e6 h2 42.Rd1 Rg2 43.Kc3-+) 41…Rg2 (41...Rg2 42.Kc3 h2-+) 0-1. Chess__Academy (2350) - zumpili (2460), Rated Bullet game, lichess.org, 2020.

12.a4 b4 13.Rc1 d4 14.ed4 Nd4 15.Nb3 Bf4 16.Ra1 =+.

12.Rb1 d4 13.Nb3 de3 14.fe3 Bd6 15.e4 Ng4 16.Qd2 =.

12.Nb3 Bd6 13.c4 dc4 14.dc4 b4 15.a3 Qe7 16.Nfd2 =.

12.Rc1 a6 13.c4 dc4 14.dc4 b4 15.Qc2 Qe7 16.Rcd1 =.

12.c4 bc4 13.dc4 Be6 14.Qa4 Na5 15.Rad1 Qe7 16.Ba3 dc4= 17.Nc4 Nc4 18.Bc4 Ne4 19.Rc1 Bg4 20.Be2 Bb6 21.Nd2 Bf5 22.Ne4 Be4 23.Red1 Red8 24.Bc4 ½–½. Bianchi,Guillermo – Soppe,Guillermo, Argentina, 1983.

12.a3 Bd7 13.Nb3 Ng4 14.h3 Nge5 15.Ne5 Ne5 16.f4 =+.

12.a3 Bf5 13.Rc1 Rab8 14.c4 dc4 15.Nc4 Qe6 16.Ng5 =.

12.a4 b6 13.h3 Bf5 14.c4 Nb4 15.Qb3 Rad8 16.a5 =+.

12.Rb1 Ng4 13.g3 Qg6 14.Nh4 Qe6 15.Nhf3 Nf6 16.d4 =+.

12.Nb3 Bg4 13.h3 Bf3 14.Bf3 Ne5 15.Be5 Qe5 16.g3 =+.

12.Rc1 b6 13.c4 Bb7 14.cd5 Nd5 15.Ne4 Qg6 16.a3 =.

12.a3 Rb8 13.Nb3 Bd6 14.Ra2 b5 15.Qa1 Be7 16.Ne5 =+.

12.a4 Nb4 13.Qb1 Qe7 14.Nb3 Bd6 15.Bc3 Ng4 16.Qb2 =.

12.Rb1 b6 13.c4 Nb4 14.cd5 Nd3 15.Bf6 Qf6 16.Ne4 =.

12.Qc1 b6 13.c4 dc4 14.Qc4 Nb4 15.Ng5 Nfd5 16.Ndf3 =.

12.Rc1 d4 13.ed4 Nd4 14.Nd4 cd4 15.Nf3 Bb6 16.c3 =.

12.c4 dc4 13.dc4 Qe7 =+.

12.d4 c4 13.a4 Bf5 14.c3 Ne4 15.Nf1 Na5 16.Ra2 Nb3 17.g3 Ba5 18.Nh4 Qf6 19.Bf3 Nc3 20.Bc3 Bc3 21.Bd5 Be1 22.Qe1 Bd3 23.Qc3 Qa6 24.Nd2 Nd2 25.Qd2 Rad8 26.Bg2 Re7 27.Qb4 Qd6 28.Qc3 Qd7 29.Nf3 f6 30.Nd2 b5 31.ab5=+ Qb5 32.h4? Rb8 33.Kh2 Qb4 34.Bd5 Kf8 35.Ra3 Qc3 36.Rc3-/+ Rc7 37.Bc4 Bc4-/+ 38.Rc4 Rc4 39.Nc4 Rb4 40.Na5 Ra4 41.Nc6 Ra2 42.Kg2=+ a5 43.d5 a4 44.Kf3 a3 45.d6? Ke8 46.Ke4? Kd7 47.Kd5? Rd2 48.Nd4 (48.Ke4 Kc6 49.d7-+) 0–1. Myslowski,Karol – Bitter,Leon, FRA–ch op Veterans, 1994.

12.Nf1 Ba5 13.N1d2 Qe7 14.Rb1 Rad8 15.c3 h6 16.Qc2 Bf5 17.Ba3 b6 (17...Bc7 18.Nd4 Bc8 19.Nc6=) 18.Nf1 (18.Nb3 Qe6=) 18...Qc7 19.Ng3 Bh7 (19...Bg4 20.Red1=+) 20.Red1 (20.Bb4 cb4 (20...Nb4? 21.cb4 Bb4 22.Rb4+-) 21.cb4 Bb4 22.Rb4 Rc8=) 20...c4 21.Rbc1 Ne5 22.Ne5 Qe5 23.Qd2 b5 24.Bc5 cd3 25.Bd3 Bd3 26.Qd3 a6 27.Bd4 Qe6 28.a4 ba4 29.Ra1 Qc6 30.Ra3 Ne4 Increasing the pressure on the isolated pawn on c3 31.Rda1 (31.Nf5 Bc7=) 31...Ng3 32.hg3 Rc8 33.Ra4 Bc3 34.Bc3 Qc3 35.Qd5 Red8 36.Qf3 Rc6 (36...Ra8 37.g4=) 37.Ra6+= Ra6 (37...Rf6 38.R6a3 Qd2 39.R3a2 Rf3 40.Rd2 Rd2 41.gf3+/-) 38.Ra6+/- g6 (38...Qc1 39.Kh2+/-) 39.Kh2 (39.Ra7 Qb3+/-) 39...Rd7 40.Qe4 Rd8 41.Qe7 Rf8 42.Rf6 Kg7 (42...Qa5 43.Rf4+/-) 43.Rf4 (43.Rg6 Kg6 44.Qf8 Qd2 45.Qg8 Kf6+-) 43...h5 (43...Qc6 44.Qb4+/-) 44.e4 Qc4 45.Qf6 Kg8 46.Qg5 (46.g4 hg4 47.Rg4 Qc7 48.e5 Re8+/-) 46...Re8 47.f3 Qe6 48.Qc5 Qe5 49.Qc6 Qe6 50.Qa4 (50.Qe6 Re6 51.Kh3 Rc6+/-) 50...Kg7 51.Qd4 Qe5 52.Qd2 Rb8 53.Qd7 Rf8 54.Kh3 (54.Rh4 Rb8+=) 54...Kg8 (54...Qa1 55.Kh2 Qe5+/-) 55.Qd2 (55.Qd5 Qa1 56.Kh2 Qg7+/-) 55...Qe6 56.g4 Re8 57.Kg3 (better 57.Qd5!? hg4 58.Rg4+/-) 57...Qe5= 58.Kf2 h4 59.Kg1 (better 59.Qd7 Rf8 60.Ke3=) 59...Rb8 60.Kf2?? (better 60.g5-/+) 60...Rb2-+ 61.Qb2 Qb2 (61...Qb2 62.Ke3 Qc1 63.Ke2 Qf4-+) 0-1. Anisimov,P2 (2525) - Novik,Ma (2430), St Petersburg Blitz, 2021.

12.Nf1 d4 13.Nd4 cd4 14.Bg4 Ba5 15.Bf3 Be1 16.Qe1 Nd5 17.Be4 Rc8 18.Rc1 Qg5 19.Qd2 de3 20.fe3 Rcd8 21.Qf2 Re7 22.a3 Ne5=+ 23.h3 Nf6 24.Bf3 b5 25.Be2=+ a6 26.Qg3 Qg3 27.Ng3 Ree8 28.e4 Nfd7 29.Kf2 Nb6 30.Ke3 g6 31.Kf4 Nc6 (31...f6 32.Ke3=+) ½–½. Fekete,Albert – Cottarelli,Franco, corr ICCF TT/6/02/2, 2004.

12.Nf1 Bf3 13.Bf3= Be5 14.Rb1 Bb2 15.Rb2 b6 16.g3 Qd6=+ 17.Nd2 Rad8 18.Bg2 Ne5 19.h3 h5 20.e4= Ng6 21.ed5 Re1 22.Qe1 Nd5 23.Nc4 Qf6 24.h4 Nc3 25.a4 Na4-/+ 26.Ra2 b5 27.Ne3 Ne5 28.Qa5 Nc3 29.Ra1 Ne2 30.Kf1 Ng3-+ 31.Ke1 Re8 32.Qb5? Nd3!! 33.Qd3 Qa1 34.Kd2 Qa5 35.Kd1 c4 36.Qc4 Nf5 37.Be4 Ne3 38.fe3 Rd8 39.Bd3 Qe5 40.Kd2 Qh2 41.Kc3 Qf2 42.Qc7 Qh4 43.Qa7 Qf6 44.Kd2 h4 45.Qc5 g6 46.e4 h3 47.Qg1 Qf4 48.Ke2 h2 49.Qh1 Qg3 (49...Qg3 50.e5 Rd3 51.cd3 Qg1 52.Qa8 Kg7-+) 0–1. Bigalke,Andre – Hermlin,Aarne (2280), Tampere op3, 2001.

12.h3 Be6 =+.

11.Nb3 Qb6 12.ed4 cd4 13.Nfd4 Nd5 14.Bh5 Ne5 15.f4 Ng4 16.Bg4 Ne3 17.Qc1 Bg4 18.Na5 Qa5 19.Re1 Nf5 20.Nf5 Bf5 21.Bd4 Rac8 22.Re3 Qa4 23.c4 Qd7 24.Re8 Re8 25.Qc3 f6 26.a4 Re2= 27.Bf2 Qd3 28.Qd3 Bd3 29.Ba7 Bc4 30.a5 Bd5 31.Bf2 ½–½. pierre – lapek, internet, 2006.

11.Nb3 Bb6 12.Qd2 de3-/+ 13.fe3 Ng4 14.c4 Ne3-/+ 15.Rf2 Ng4 16.Rff1 Bf5 17.Rfe1 f6 18.h3 Nge5 19.Ne5 Ne5 20.d4 cd4 21.c5 Bc7 22.Bd4 Qd7 23.Rad1 Rad8 24.Qb4 Nc6 25.Qc3 Qf7 26.Bb5 Qg6 27.Re8 Re8 28.Qf3 Be4 29.Bd3 Bd3 30.Rd3-/+ Rd8 31.Rd1 Qc2 32.Kh1 a5 33.Rd2 Qb1 34.Bg1 Rd2 35.Nd2 Qa2 36.Qd3 Qe6 37.Qb5 Nd8 38.Nf3 Qc6 39.Qc4 Kf8 40.Qc2 g6 41.Qb2 h5 42.Nd4-/+ Qd5 43.Nf3 Kf7-+ 44.Qc1 g5 45.Qb1-/+ Ne6 (45...Ne6 46.Qh7 Ng7-/+) 0–1. pierre – briksinthewall, ChessWorld.net, 2005.

11.Nb3 Bc7 12.ed4 Nd5 13.g3 cd4 14.Nfd4 (worse 14.Nbd4 Nd4 15.Bd4 Bh3=+) 14...Nd4 15.Bd4 (worse 15.Nd4 Ba5 16.Nb5 a6-/+) 15...Nf4? (15...Be5 16.Be5 Re5 17.Bf3+=) 16.Bf3 (16.gf4 Bf4 17.Bg4=) 16...Nh3+= 17.Kh1 Bb6 18.Bb6 Qb6 19.Qd2 h5 (19...Qf6 20.Bg2+=) 20.Bg2 (worse 20.Bh5 Qc6 21.f3 g6=+) 20...Bg4 21.Rae1 Rad8 22.d4 Re1 23.Re1 Qf6 24.f4 Qa6 (24...b6 25.Re5+–) 25.c3 h4 (25...b6!?+–) 26.Nc5+– Qh6 27.Qe3 (27.Nb7 Rb8 28.Qe3 Qa6 29.gh4 Rb7 30.Bh3 Bh3 31.Qh3 Rb8+–) 27...b6 28.Ne4 (28.Nd3 hg3 29.Qg3 Bf5+–) 28...Be6 29.Ng5 Ng5 30.fg5 Qh5 31.Bf3 Qh7 32.Be4 Qh5 33.a3 hg3 34.Qg3 Bd5 35.Bg2 Bg2 36.Kg2 Qg6 37.Re2 Qc6 38.Qf3 Qd6 39.Rf2 Rd7 40.a4 g6 (40...Qg6 41.h4+=) 41.Qf6 (41.Re2 Re7 42.Re7 Qe7+–) 41...Qf8 (41...Qf6 42.gf6 a6 43.Rf3+–) 42.h4 (42.a5 Qa8 43.Kg1 ba5+–) 42...Re7 43.h5 (43.a5!?+–) 43...gh5+= 44.g6 Qe8 45.gf7 Rf7 (45...Qf7 46.Qf7 Rf7 47.Rf7 Kf7 48.Kg3+=) 46.Qf7+– Qf7 47.Rf7 Kf7 48.Kf3 a6 49.c4 ½–½. Sorbi,Luca (2000) – Permykov,Andrey (2010), FICGS, 2013.

11.Nb3 Bc7 12.ed4 Nd5 13.g3 Qf6 14.Nc5 Bh3 15.Ne4 Qd8 16.Re1 Ba5 17.c4 Nf6 18.Ned2 Ng4 19.Bf1 Re1 20.Qe1 Bf1+/- 21.Kf1 Qd7 22.Kg2 Re8 23.Qd1 Bb6 24.Nb3 h5 25.h3 Nf2 26.Kf2 Qh3 27.Qh1 Qf5 28.Re1 Ne5 29.Re5 Re5+/- 30.c5 Re6 31.d5!+– Qd5 32.cb6 Rb6 33.Bd4 Rc6 34.Qb1 b6 35.Qb2 f6 36.Nbd2 Kh7 37.Ne4 Qf5 38.Qb3 Qa5 39.Nf6 gf6 40.Qf7 Kh6 41.Be3 (41.Be3 Qg5 42.Bg5 fg5 43.Ne5+–) 1–0. Ornstein,Axel (2425) – Karlsson,Lars (2470), SWE–chT, 1998.

11.Nc4 Nd5 12.Na5 Qa5 13.ed4 Nf4 14.Re1= cd4 15.Bf1 Bg4=+ 16.Qd2 Bf3 17.Re8 Re8 18.Qf4 Qb6 19.Ba3 Bd5 20.Qd2 Re6 21.c4 dc3 22.Qc3 Qd4 23.Bb2 Qc3 24.Bc3= b5 25.a3 a6 26.f3 f5 27.Kf2 Kf7 28.d4 f4 29.Re1 Re1 30.Ke1 Bc4 31.Bc4 bc4=+ 32.d5 Ne7 33.d6 Nf5 34.Be5 g5 35.d7 Ke7 36.Bf6 Kd7 37.Bg5 Ne3 38.g3 Ke6 39.a4 Nc2 40.Kd2 fg3= 41.hg3 Nd4 42.Ke3 Nf5 43.Kf2 h5 44.Bd2 Nd4 45.Ke3 Kd5 46.Bc3 Nf5 47.Kf4 h4 48.gh4 Nh4 49.Ke3 Nf5 50.Kf4 Nd6 51.Ke3 Nb7 52.Bb4 Nd8 53.f4 Nc6 54.Bc3 Ne7 55.Be5 Nf5 56.Kd2 Ng3 57.Kc3 Ne4 58.Kb4 Nf2 59.Bc3 Nd3=+ 60.Ka5 Nf4 61.Ka6 Kc6 62.Ka7 Nd3 63.Ka6= Nc1 64.Be5 Na2 65.Bd4 Nb4=+ 66.Ka5 Nc2 67.Bc3 Kc5 68.Ka6 Nd4 69.Bb2 Nb3 70.Bc3 Nd4 71.Ka7 Nc6 72.Kb7 Nd8 73.Ka6 Nf7 74.Ka5 Ng5 75.Bd2 Ne6 76.Bb4 Kc6 77.Ba3 c3 78.Kb4 c2 79.Kc3 Kb6 80.Kc2 Ka5 81.Bd6 Nd4 82.Kb2 Nf5 83.Bc5 Ka4 84.Ka2 Ka5 85.Kb3 Ka6 86.Ka4 Kb7 87.Ka5 Ka8 88.Ka6 (88.Kb6 Kb8=) ½–½. bambinik (2560) – chess_teacher (2520), 2003.

11.ed4 cd4 12.Nc4 (12.Nb3!?) 12...Bc7 13.h3 Bf5 14.Re1 Rc8 15.Rb1?! b5!? 16.Ncd2 Ba5 17.a4? ba4 18.Ra1 Rb8 19.Qc1 Nd5! 20.Nd4? Nd4 21.Bd4 Re2 22.Re2 Nf4 23.Re3 Qd4 24.Rb1 Bb6 25.Qe1 Qd8 26.Rg3 Be6 (26...Bd3 27.cd3 (27.Rd3 Nd3 28.cd3 Qd3; 27.Rb6! Ne2 28.Kh2 ab6 29.Rd3) 27...Nd3 28.Rd3) 0–1. LeClair – Ganesan, email 4AMM–05 1997 (Ganesan).

11.ed4 Nd5 12.Nb3? Bc3-+ 13.Rb1? Bb2 14.Rb2 Nc3 15.Qd2 Ne2 16.Kh1 Ned4 17.Nbd4 cd4 18.Rfb1 Qf6 19.Kg1 b6 20.Rb5 h6 21.Kf1 Bb7 22.a3 Ne7 23.Ne5 Nd5 24.Nd7 Qd6 25.Nc5 Qh2 26.Nb7 Qh1# 0–1. Trkn – WFMS, itsyourturn.com, 2000.

11.e4 b5 12.a4 ba4 13.Ra4 Bb4 14.Ra1 a5 15.Nc4 a4 16.Nfd2 Na5 17.f3 Bd7 18.Na5 Qa5 19.Nc4 Qa6 20.f4 Bb5 21.Na3 Ba3 22.Ra3 (22.Ba3? Ne4 23.Re1 Nc3-+) 22...Ne4 23.Bf3 Qb6 24.Ra2 Rab8 25.Be4 (25.de4? Bc4 26.Ra4 Bf1-+) 25...Re4 26.de4 Bc4 27.Ra4 Bf1 28.Qf1 Qb2 29.Rc4 1-0. zuri9 (2205) - original_sin (2500), 203rd GK tournament, 2022.

11.e4 Bc7 12.a4 Be6 13.Ng5 Bd7 14.Ngf3 b6 15.c3 dc3 16.Bc3 Qe7 17.Qb3 Ng4 18.Qb2 Nge5 19.Rfc1 Rad8 20.a5 Na5 21.d4 Nf3 22.Bf3 cd4 23.Ba5 Qe5 24.Rc7=+ Qc7 25.Bb4 Bb5 26.Nb3 Bd3 27.Bc3?? Qc3-+ (27...Qc3 28.Qc3 dc3-+) 0–1. Rego,Sandro – Rokitta,Norbert, C1.1998.0.00168, 1999.

11.e4 Bc7 12.c3=+ dc3 13.Bc3 Nh5 14.g3 Ba5 15.Ba5 Na5 16.e5 g6 17.Ne4 Nc6 18.Nc5 Ne5 19.Ne5 Re5 20.d4 Rd5 21.Nb3 Bh3 22.Re1 Ng7 (22...Ng7 23.Bf3 Rd7+=; 22...Nf6 23.Bf3 Rd7 24.Rc1+=). McAleenan,Charles – Luzuriaga,Norberto Horacio, corr or01–001 E–mail, 2001.

11.e4 Bc7 12.c3 dc3 13.Bc3 Nh5 14.g3 b6 15.e5 Bg4 16.Rc1 Qd7 17.Ne4 g6 18.Re1 Rad8 (worse is 18...Be5 19.Be5 Re5 20.Ne5 Ne5 21.Bg4 Qg4 22.Qg4 Ng4 23.h3+=) 19.h3 Bf5 (19...Bh3 20.Nf6 Double attack) 20.Nfg5+/- Be5 21.Bh5 Bc3 22.Rc3 Be4 23.Ne4 (23.de4?! h6 24.Qd7 Rd7 25.Nf7 Kf7+=) 23...Qe6 24.Re3 (better is 24.Be2!?+/-) 24...gh5= 25.Qh5 Nd4 26.Ra3 (26.Nc5 Qg6 27.Qg6 hg6+/-) 26...Nc2+= 27.Rf3 Na3 28.Nf6 Kf8 29.Nh7 Kg8 30.Nf6 Kf8 31.Rf4 Qe1 32.Kg2 Re5 33.Nh7 Ke7 34.Qf7 Kd6 35.Rf6 Re6 36.Ng5 Rf6 37.Qf6 Kd7 38.Nf7 Qe8 39.Nd8 Qd8 40.Qb2 Qa8 41.Kg1 Qf3 42.Qa3 a5 43.Qa4 Kc7 44.Qe4 Qe4?? (44...Qf7 45.Qf4 Qf4 46.gf4 b5+/-) 45.de4 c4 46.Kf1 b5 47.Ke2 b4 48.h4 a4 49.Kd1 a3 50.Kc2 Kd6 51.h5 1–0. Deschamp,Guy (2305) – Kopp,Jean Raymond, IECG, 2004.

11.e4 Be6 12.Nb3 Bb6 13.c3 =+.

11.e4 Be6 12.Ng5 Bd7 13.Nb3 Bb6 14.Ba3 Bc8 15.Bh5 (15.Bc5? Bc5 16.Nc5 Qa5 17.Nh7 Kh7-+; worse is 15.Nc5 Qe7-+) 15...g6 16.Be2 a5 17.Rb1 (17.Bc5? Bc5 18.Nc5 Re5 19.Nb7 Bb7-+) 17...Nb4 18.Nc1 Bc7 19.Nf3 Qd6 20.g3 Nd7 21.Bb2 Nc6 22.c3 a4 23.cd4 cd4 24.Nd2 (24.Qc2 Bd8-/+) 24...a3 (24...Qe7!?-/+) 25.Ba1+= Nb6 26.Bg4 Bg4 27.Qg4 h5 28.Qd1 h4 29.Ne2 Qf6 30.f4+= Rec8 31.Nf3+/- Na4 32.Qb3 hg3 33.hg3 Nc5 34.Qc4 Ne6 35.Kg2 Bd6 36.Rb7 Na5+= 37.Qd5 Nb7 38.Nfd4 Qe7 39.Rh1 Ng7 40.Nc6 Rc6 41.Qc6 Qc7 42.Qc7 ½–½. aspasio – gkthomas, net–chess.com, 2013.

11.e4 h6 +=.

12.Na5 Na5 13.fe3 Nd5 14.Qd2 Ne3 15.Rfe1 Nac4 16.dc4 Qd2 17.Nd2 Nc2 18.Kf2 Bd7 (18...Bf5 19.g4 Bg6 (19...Bd7 20.Rad1 Ne1 21.Re1 Rad8 22.Bc3 f6) 20.Rad1 (20.Red1 Na1 21.Ra1 Rad8 22.Bc3 Re6) 20...Ne1 21.Re1 Rad8 22.Nf3 f6) 19.Nf1 (19.Rab1 Ne1 20.Re1 Rad8 (20...Bc6 21.Bc3 f6 22.Nf1 Rad8) 21.Nf1 Bc6 22.Bc3 f6; 19.Rec1 Na1 20.Ba1 Rad8 21.Bc3 Bc6 22.Re1 Re6) 19...Bc6 (19...Re7 20.Ng3 f5 21.Nh5 (21.Bf3 Re1 22.Re1 Ne1) 21...Bc6 22.Nf4 (22.Bc3 Na1) 22...Na1= (22...Rae8)) 20.Rab1 (20.Rac1 Ne1 21.Re1 Rad8 22.Bc3 f6) 20...Ne1 21.Re1 Rad8 (21...b6 22.Ne3 Rad8) 22.Bc3 f6 23.Ne3 Rd6 24.Nd5 Re4 25.Rd1 Kf7 26.Bd3 Rh4 27.Kg3 g5 (27...Bd5 28.Kh4 Be4 29.Be2 Rd1 30.Bd1 Bg2 31.Kg3=) 28.Rf1 Bd5 29.cd5 h5 30.Be2 Kg6 (worse is 30...Rd5 31.Rf6 Ke7 32.Rh6+=) 31.Bd3 Kg7 32.Be2 Ra4 33.Bh5 b5 34.Bb2 Ra2 35.Rf2 Ra4 36.Bf3 Rb4 37.Rc2 Rb3 38.Kg4 a5 39.Kf5 a4 40.Re2 Rb4 41.g3 Rb3 42.Bg2 b4?? 43.Re7= Kf8 44.Bf6 Rb2 45.Bb2 Ke7 46.Be5 c4 47.Bf1? c3-+ 48.Bc4 Rh6 49.Kg5-/+ c2 50.Bf4 Rh2 51.d6 Kd8 52.Bb5 a3 53.Kg6 Rh8 54.Bg5 Kc8 55.d7 Kb7 56.Bc4 Kc6 57.Be6 Kd6 58.Bb3? Kd7 59.Ba4 Kc8 60.Bc2 Rg8 (60...Rg8 61.Kf5 a2-+) 0–1. Kappel,Ray – Naess,Jan_Olav (1710), IECG, 2010.

12.Na5 Na5 13.fe3 Nd5 14.Qd2 Ne3 15.Rfe1 Nac4 16.dc4 Qd2 17.Nd2 Nc2 18.Kf2 Bf5 19.Rec1 Na1 20.Ba1 Rad8 21.Bc3 Rd6 22.Bf3 b6 23.a4 Rh6 24.h3 Bd7 25.Nf1 Bc6 26.Ne3 Bf3 27.Kf3 Rhe6 28.Nd5 Re4 29.a5 Rc4 30.ab6 ab6 31.Nb6 Rce4 32.Rc2 Re3 33.Kf2 R3e6 34.Nd7 Rc6 35.Ne5 Rd6 36.Nc4 Rd5 37.Ne3 Rd3 38.Nc4 Re4 39.Be1 h6 (39...Rd1 40.Ba5=) 40.Nd2= Ra4 41.Rc5 Ra2 42.Rc8 Kh7 43.Ke2 Rd7 44.Ke3 Re7 45.Kf2 f6 46.Rd8 g5 47.Rd4 Kg6 48.Kf1 h5 49.Rb4 Re6 50.Rb8 Kf7 51.Rb7 Re7 52.Rb4 Kg6 53.Rc4 Re6 54.Rb4 Ra1 55.Nb1 h4 56.Bc3 Ra5 ½–½. bishop_ben (2140) – forsetinn (2335), gameknot.com, 2014.

12.Na5 Na5 13.fe3 Nd5 14.Qd2 Ne3=+ 15.Rfe1 Nc6 16.Bf1 Nf5 17.Re8=+ Qe8 18.Re1 Be6 19.Qf2 b6 20.Ng5 Qd7 21.g4 Nh6 22.Ne6=+ fe6 23.Bg2 Rd8 24.Bc6 Qc6 25.Qe2 (25.Qe2 Rd5 26.Be5=+). Bonetti,Shane (2000) – Marez,Sebastian (2000), P03–MDK, 2005.

12.Na5 Na5 13.fe3 Nd5 14.Qd2 Ne3 15.Rfe1 Nc6 16.Bf1 Nf5 17.Re8 Qe8 18.Re1 Be6 19.Ng5 Qd7 (19...h6 20.Ne6 fe6 21.g3+=) 20.Qf4 (20.g4 Nfd4 21.c3 h6 22.cd4 Nd4-/+ (22...hg5?! 23.dc5 f6 24.h3=)) 20...Re8+= 21.Ne4 Qe7 (21...Ba2?? 22.Qg4 Re6 23.Qf5+–) 22.c3 b6 23.Ng5 Qf8 (23...Qd7 24.Ne6 fe6 25.g3+=) 24.d4 (better is 24.g4!? Nd6 25.Bg2+=) 24...cd4+= 25.g4 dc3 26.gf5 Qc5 27.Qf2 cb2 28.Qc5 bc5 29.fe6 fe6 30.Rb1 Rb8 31.Ne4 Ne5 32.Be2 c4 33.Kf2= a5 34.Ke3 a4 35.a3 Rb3 36.Kd4 c3 37.Nc3 Nc6 38.Kc4 Ne5 39.Kd4 Nc6 40.Kd3 Kf7 41.Kd2 Ra3 42.Rb2 Ra1 43.Rb1 Rb1 44.Nb1 Ne5 45.Ke3 g5 46.Bb5 h5 47.Kf2 h4 48.Ba4 Kf6 49.Nd2 Kf5 50.Bb3 Ng4 51.Kg2 Nf6 ½–½. Fernandez Ballon,Armel (2450) – Arreaga,Allan (2315), CADAP, 2008.

12.Na5 ef2 13.Rf2 Qa5 14.Bf6= gf6 15.Nd2 f5 16.Nc4 Qd8 17.Bf3 Be6 18.Bc6 bc6 19.Rf4 Rb8 20.a3 Qg5 21.Qf1+= Bd5 22.Rf5 Qg7 23.Rd1 Rbd8 24.Nd2 Qc3 25.Rg5 Kf8 26.Qf2 Qd4 27.c4 Qf2 28.Kf2+= Be6 29.Rg3 Re7 30.Re1 Bf5 31.Re7 Ke7 32.Ke2 Rb8 33.h3 Bg6 34.Re3 Kd6 35.Kf2 f5 36.g3 Bh5 37.g4 fg4 38.Ne4 Kc7 39.Nc5 Rb2 40.Kg3 gh3 41.Kh3 Re2 42.Rg3 Bg6 43.Rf3 Rc2 44.Ne6 Kd6 45.Nf4 Bf5=+ 46.Kh4 Bd7 47.Kg5 Rc3 48.a4 Ra3 49.c5 Kc5-/+ 50.d4 Kb4 51.Ra3 Ka3 52.Nd3 Be6 53.Nc5 Bd5-+ 54.Kf4 Kb4 55.a5 Ka5 56.Nd3 Kb5 57.Nc5 a5 58.Ke3 h5 59.Nd3 Kc4 60.Nb2 Kb3 61.Nd3 h4 (61...h4 62.Kf2 Kc3-+) 0–1. Pierred (2180) – Diogenes II (2545), Rated game, 5m + 0s, 2005.

12.fe3 Bc7 13.Qd2= Ng4 14.e4 c4 15.Qc3 Nce5 16.Nbd2 Ba5 17.Qa3 Nf3 18.Nf3=+ Ne3 19.Rfc1 Bg4 20.Rab1 Rc8 21.Bc3-/+ Bb6 22.Kh1 Bf3 23.gf3=+ Bc7 (23...Bc7 24.Rg1 g6 25.Qa7 Qh4=; 23...Nd5!?=+) 0–1. MrkT – IronMan31, internet, 2005.

12.fe3 Ng4!? 13.Na5 Qa5 -/+.

12.a4 Nd5 13.ed4 Nf4 14.Re1 Bg4 (14...cd4 15.Rb1-/+) 15.dc5 Re2 16.Re2 Bf3 17.gf3 Qh4 18.Kf1 Na5 19.Na5 Ba5 (worse is 19...Qh2 20.Ke1 Ba5 21.c3 Ne2 22.Qe2-/+) 20.c3 Qh2 21.Ke1 Ne2 22.Qe2 h5 (22...Kf8 23.c6 bc6 24.Ba3 Kg8 25.Rc1-/+) 23.Qe4 (23.Qe7 Rd8=) 23...Rc8 24.f4 (24.Qb7?? Rb8 25.Qb5 a6 26.Qb8 Qb8-+) 24...Qg1 25.Ke2 Qg4 26.Kd2 Rc5 27.Kc2 Bb6 28.d4 Rc6 29.Kb3 (29.Rh1 g6+=) 29...Bc7-/+ 30.Qe8 Kh7 31.Qf7 Rb6 32.Ka2 Bf4 33.Rh1 h4 34.Qd5 (34.c4 h3 35.c5 Rg6-/+) 34...Bg5 35.f3 Qg3 36.a5 Rf6 37.Qe4 Kg8 38.f4 Qf4 39.Qb7 Rf5 (39...Qf3 40.Qf3 Rf3 41.Kb3-/+) 40.Kb3 (40.Qa7 Qe4 41.Rg1 Qe2 42.Qa8 Kh7-/+) 40...Ra5-/+ 41.c4 Qe3 42.Bc3 Rf5 43.c5 Rf3-/+ 44.Qd5 Kh7 45.Rc1 Bh6 46.Rc2?? h3-+ (46...h3 47.c6 h2-+) 0–1. Welti,Manfred (1930) – Burgarth,Ulrich (2470), Support for Africa09, 2008.

12.a4 Nd5 13.ed4 Nf4 14.Re1 Bg4 15.Ne3? (better is 15.dc5 Re2 16.Re2 Bf3 17.gf3+=) 15...Ne2-+ 16.Re2 Bf3 17.gf3 Nd4 (17...cd4 18.Ng2-+) 18.Bd4 Qd4 19.Nf1?? (better is 19.Nf5 Qf6 20.Re8 Re8 21.Ng3-+) 19...Re2 (19...Re2 20.Qe2 Qa1-+) 0–1. UncleBulgaria – pgcbies, chessworld.net, 2015.

12.ed4 cd4 13.Re1 Nd5-/+ 14.Bf1 Be6 15.Rb1 b6 16.a3 Qf6 17.Ncd2=+ Rac8 18.g3 Bg4 19.Re8 Re8 20.h3 Bh5 21.Bg2= Nc3 22.Bc3 dc3 23.Ne4 Qe7 24.Nc3 Bg3 25.fg3 Qc5 26.d4 Qc3 27.Rb3 Qa5 28.Qd3 Bf3 29.Bf3 Qa4 30.Kf1 Rd8 31.d5 Ne5 32.Qe4 Qe8 33.Be2 f6 34.c4 Qa4 35.Rc3 Qa5 36.Qd4 Nc6 37.Qe3 Ne5 38.Kg2 Qa4 39.c5 Qd7 40.Qd4 bc5 41.Rc5 Qd6 42.Qb4 ½–½. Muller,Henri – Schulz,Hans_Juergen, TT–14.50 ETC, 2004.

12.ed4 cd4 13.Re1 Bf5 14.Bf1 (14.c3 dc3 15.Bc3 Nd5=+) 14...Re1-/+ 15.Qe1 Qd7 16.Qd1 Re8 17.h3 Bg6 18.g3 Bf5 19.Kh2 Be6 20.Ncd2 Bd5 21.Kg1 Qd6 (21...Bb6 22.Nb3 Qd6 23.Rb1-/+) 22.Bg2 (22.Nd4!? Nd4 23.Bd4=+) 22...Bb6-/+ 23.Kh2 a5 24.a4 Bc5 25.Ng5 Bg2 26.Kg2 Qd5 27.Nge4 Nd7 28.Nf3 Nde5 29.Qe2 Bf8 30.Ne5 Ne5 31.Kg1 Qd7 (31...f5 32.Qh5 Qd7 33.Nd2=+) 32.Qh5 Bb4 33.Ng5 h6 34.Nf3 Qd5 35.Ne5 Re5 36.Qg4 Bc5 37.h4 h5 38.Qd1 Bb4 39.Qf1 Qd7 40.Kh2 Re6 41.Qc1 (41.Qd1!? Rf6 42.Qe2=+) 41...Re2-/+ 42.Qf4 Bc5 43.Kg1 b6 44.Qf3 Rc2 45.Bc1 Bb4 46.Qd1 Rc3 47.Bb2 Rc5 48.Qb3 g5 49.hg5 Rg5 50.Qc4 (50.Bc1 Rg6 51.Bf4 Qf5-+) 50...Rg4 (50...h4 51.Qd4 Rg3 52.Kf1 Qd4 53.Bd4 Rd3 54.Bb6-+) 51.Qb5 (51.Qa6 Qe6 52.Rc1=+) 51...Qb5-+ 52.ab5 Bc3 (52...h4 53.Kg2 f5 54.Rh1-+) 53.Rb1 0-1. Oldenev – Gerry, internet, 2021.

12.e4 Be6 13.Ncd2 Qd7 14.c3 dc3 15.Bc3 b6 16.Qc2 Nh5 17.g3 Bh3 18.Rfd1 Nf4 19.Nf1 Ne2 20.Qe2 Bg4 21.Ne3 Bh5 22.Rd2 Rad8 23.Qd1 Qh3 24.Ng5 Bd1 25.Nh3 Bf3 26.Kf1 Be5 27.Be5 Ne5 28.Nd5 f5! 29.Ng5 (29.ef5 Bg4 Double attack (29...Bd5 Pinning; 29...Rd5 Deflection; 29...Bg4 Decoy)) 29...h6 30.Nf3 Nf3 31.Rdd1 Nh2 32.Kg2 Ng4 33.a4 Rd7 34.a5 b5 35.Rac1 fe4 36.de4 c4 37.a6 (37.f4!?-/+) 37...Re4-+ 38.Nc3 Rd1 39.Rd1 Re6 40.Nb5 Ra6 41.Rd4 h5 42.Rc4 Ra2 43.Rc8 Kh7 44.Rf8 g6 45.Rf7 Kg8 46.Ra7 Rf2 47.Kg1 Rb2 48.Nd6 Ne3 49.Kh1 Re2 50.Rb7 Ng4 ½–½. marekt (2110) – soidog (1880), gameknot.com, 2014.

12.e4 h6 13.c3=+ b5 14.Ncd2 dc3 15.Bc3 Qd6 16.Re1 (16.e5 Ne5 17.Be5 Re5 18.Ne5 Qe5=) 16...Ng4=+ 17.g3 Be6 18.Bf1 Rad8 19.a3 Bb6 20.e5 Qc7 21.h3 Nf2! 22.Kf2 b4 23.Bb2 c4 24.Kg2 c3 (worse 24...cd3 25.Ne4+–) 25.Bc3 (better 25.Qc2 Qd7 26.Kh2-/+) 25...bc3-+ 26.Nb3 (26.Ne4 Ne5 27.Ne5 Qe5 28.Qc2-+) 26...Bd5 27.d4 (27.e6 c2 28.Qc2 Bf3 29.Kh2 fe6-+) 27...Bd4! 28.Nbd4 (28.Rc1 Qb7 29.Rb1 c2 30.Qc2 Bf3 31.Kh2 Be5-+) 28…Nd4 (28...Nd4 29.Qc1 Bf3 30.Kf2 Ba8-+) 0–1. mizuzul – marekt, ChessWorld.net, 2020.

12.Qc1 Bb2 13.Qb2 b6 14.Rfb1 Qc7 15.Rc1 Qf4 16.h3 Nh5 17.c3=+ dc3 18.Qc3 Qh6 19.Bf1 Nf4 20.h4 Bg4-/+ 21.g3 Ne6 22.Re1 Rad8 23.Bg2 Ned4-+ 24.Nd4 Nd4 25.f3 Bd7 26.f4 Qg6 27.Kf2 Ba4 28.Nb3 Bb3 29.ab3 a5 30.Re3 Qe6 31.Rb1 Qg4 32.Rh1 Qd7 33.h5 h6 34.Qc4 Qg4 35.e5 Nf5 36.Rf3 Rd4 37.Qb5 Red8 38.Bh3 0–1. Grott,Peter – Zielinski,Sergej, DESC, 2005.

12.Qc1 Bb2 13.Qb2 b6 14.Rfe1 Qc7 15.g3 (15.c3 dc3 16.Qc3 Bg4=+) 15...Rb8 16.a4 h6 17.Nh4 Na5 18.f4 Bh3 19.Bf3 Rbd8 20.e5 Nd5 21.Ne4 Qe7 (21...Ne3 22.Nd6 Rd6 23.ed6 Qd6 24.c3=) 22.Nd6 Nf4 23.Ne8 (worse 23.gf4 Qh4 24.Qc1 Bg4-/+) 23...Re8 24.Be4 Ne6 25.Nf5 (25.Nf3 Bg4=) 25...Bf5 26.Bf5 Ng5 27.Be4. Trokenheim,Marek (1790) – Hendricks,Richard (1800), FICGS, 2017.

12.Qc1 Bb2 13.Qb2 b6 14.Rfe1 h6 15.g3 Rb8 16.a4 a6 17.Bf1 Nh7 18.a5 ba5 19.Qa3 Rb5 20.Nc4 Ng5 21.Nfd2 Qc7 22.f4 Nh3 23.Kg2 g5 24.f5 g4 25.Qc1 Kg7 26.Kh1 Ng5 27.Nb3 Nf3 ½–½. Sidenko,Anatoly (2280) – Gesicki,Jan Jacek (2270), SM–2011–0-00143, 2011.

12.Qc1 Bb2 13.Qb2 Nh5 14.g3 Nf6 15.Rfb1 b6 16.Bf1 Rb8 17.a4 Ng4 (17...Ng4 18.h3 Nge5-/+) -/+. de Visser,Arno – Ruhle,Ernst_Olav, corr ICCF TT 6/02/1, 2002.

12.Qc1 Rb8 13.Re1 Be6 14.Bc3 dc3 15.Nf1 b5 16.Qf4 White prepares the advance e5 16...h6 17.h3 b4 18.Ng3 a5 19.e5 Nd5 20.Qe4 a4 21.d4 Nd4 22.Nd4 cd4 23.Qd4 (23.Rad1 Nc7 24.Rd4 Bd5=+) 23...Ne7 24.Qe3. Trokenheim,Marek (1790) – Dyson,John (1845), FICGS, 2017.

12.Qc1 Rb8 13.Re1 h6 14.Bc3 dc3 15.Nf1 b5 16.h3 Qc7 17.Ng3 a5 18.Qe3 Nb4 19.Qc1 Nc6 20.Qe3 Ne7 21.Nh4 b4 22.d4 (22.a3 Bd7+=) 22...g5 (22...cd4 23.Qd4 Nc6 24.Qe3-/+) 23.Nf3+= Nf5 24.Nf5 Bf5 Increases the pressure on e4 25.Ng5 Ne4 26.Qf3 (26.Ne4 Re4 27.Qf3 Qf4 28.dc5 Rc8-/+) 26...Bg6 27.Ne4 Be4 28.Qg4 Kh7 29.Bb5 (better is 29.Bd3!? Bd3 30.cd3 cd4 31.Qf5 Kh8 32.Qf6 Kg8 33.Qd4+=) 29...f5-+ (worse is 29...Rb5 30.Re4 Re4 31.Qe4 Kg7 32.Qg4 Kf8 33.Qf5+=) 30.Qh5 Rg8 31.Re4 fe4 32.Qf5 Kh8 33.Bc4 Rgf8 34.Qe4 Qf4 (34...Qf4 35.Qe5 Rf6-/+) 0–1. marekt – organuz, internet, 2014.

12.Bc3 dc3 13.Nc4 b5 14.Ne3 Rb8 (14...Qc7 15.g3+=) 15.Ng5 (15.Qc1 Qa5+=) 15...h6+= 16.Nf3 a5 17.a3 (17.g3 Be6+=) 17...Qc7-/+ 18.Re1 Nd4 19.Bf1 Be6 20.g3 b4 21.Bg2 (21.ab4!? ab4 22.Bg2-/+) 21...b3-+ 22.cb3 Rb3 23.Nc2 Qb6 24.e5 Nd7 25.Ncd4 cd4 26.Re4 Rb2 27.Nd4 (27.Rd4?? Ne5! 28.Rc1 Bb3-+) 27...Rd8 28.Qe1?? (better is 28.Nc2-+) 28...Nc5 29.Rh4 Nd3 30.Qc3 (30.Qe3 Nf2 31.Re1-+) 30...g5 31.Rh6 Rd4 (31...Rd4 32.Qc6 Qc6 33.Bc6 Ne5-+; 31...Qd4?! 32.Qd4 Rd4 33.Rh5 Nf2 34.Rg5 Kf8 35.a4-+) 0–1. Cottarelli,Franco (2070) – Van Enk,Steven (2300), WS/M/185 ICCF, 2008.

12.Bc3 dc3 13.Nc4 Nh5 14.Rb1 Nf4 15.Kh1 Be6 16.g3 Ne2-/+ 17.Qe2 Bg4 18.Rb7 Qf6-+ 19.Kg2 Nd4 20.Nd4 Be2 21.Ne2 Qc6 22.Rb3 f5-+ 23.Nc3 fe4 24.de4 Re4 25.Na5 Qe6 26.Ne4 Qe4 27.f3 Qa4 28.Nb7 c4 29.Rb2 Qa3 30.Rb5 Rb8 31.Rfb1 Qc3 32.Rf1 Qc2 33.Rf2 Qd1 34.Rbb2 Qd5 35.Rfd2 Qe5 36.Rdc2 c3 37.Rb3 Rc8 0–1. Fekete,Albert – Ruhle,Ernst_Olav, corr ICCF TT, 2007.

12.a4 Rb8 13.Qc1 A) 13...Be6 14.c3 (14.Re1 Rbd8 15.Ng5 Bd7 16.Ngf3-/+; 14.Ng5 Bd7 15.Nc4 Bb4 16.Qf4-/+; 14.Rb1 Rbd8 15.Ng5 Ba2 16.Ra1-/+; 14.c4 Nh5 15.Nb3 Bc7 16.Qg5-/+) 14...dc3 15.Bc3 Bc3 16.Qc3+=; B) 13...Bg4 14.Rb1 (14.Re1 b6 15.c3 dc3 16.Bc3-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3-/+; 14.Nc4 Bb4 15.Rb1 Be6 16.Nfe5-/+; 14.Rd1 b6 15.Nb3 Bb4 16.c3-/+) 14...Rbd8 15.Nc4 Bb4 16.e5+=; C) 13...Nh5 14.Nb3 (14.Re1 Qf6 15.g3 Bg4 16.Kg2-/+; 14.c3 Nf4 15.Re1 Qf6 16.cd4-/+; 14.Nc4 Bc7 15.c3 Nf4 16.Re1-/+; 14.g3 Nf6 15.c3 dc3 16.Bc3-/+) 14...Bc7 15.g3 Nf6 16.c3-/+; D) 13...Bb4 14.Re1 (14.c3 dc3 15.Bc3 Bg4 16.Bb4+=; 14.Rb1 Be6 15.c3 dc3 16.Bc3-/+; 14.Nb3 Be6 15.Ng5 Bd7 16.c3+=) 14...Be6 15.c3 dc3 16.Bc3+=; E) 13...Bd7 14.Rb1 (14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+; 14.Re1 Rbd8 15.c3 dc3 16.Bc3-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3-/+) 14...b6 15.Nc4 Bb4 16.c3+=; F) 13...b6 14.Rb1 (14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.Re1 Bd7 15.c3 dc3 16.Bc3-/+; 14.Nb3 Bb4 15.Rb1 Bg4 16.Qg5-/+) 14...Be6 15.Ng5 Bd7 16.Nc4-/+.

12.a4 Rb8 13.Nc4 Bb4 14.Rc1 (14.Qc1 Be6 15.Nce5 Ne5 16.Ne5-/+; 14.Bc1 Be6 15.Bf4 Rbd8 16.Nce5+=; 14.Rb1 Be6 15.Nfe5 Ne5 16.Ne5-/+) 14...a6 15.Nb6 Be6 16.c4 +=.

12.a4 Nd7 13.Nb1 A) 13...Qf6 14.Ra3 (14.Qc1 Nde5 15.Ne5 Qe5 16.f4-/+; 14.Na3 Nb6 15.Nb5 Qd8 16.Nd2-/+; 14.Nbd2 Bb4 15.Nc4 b6 16.Ne3-/+; 14.Bc1 Nde5 15.Ne5 Ne5 16.f4-/+) 14...Nb6 15.c3 Be6 16.Qc1+=; B) 13...b6 14.c3 Nde5 15.cd4 Nf3 16.Bf3+=; C) 13...Nde5 14.Ne5 (14.c4 Nf3 15.Bf3 Bc7 16.Nd2-/+; 14.Nfd2 Bc7 15.c3 dc3 16.Nc3-/+; 14.c3 Nf3 15.Bf3 Qe5 16.Ra3-/+; 14.Ne1 Qd6 15.c4 Ng6 16.Bg4-/+) 14...Qe5 15.Nd2 Bb4 16.Nc4-/+.

12.a4 Nd7 13.Qc1 Nde5 (13...Qf6 14.Nc4 Bb4 15.Qg5 Re7 16.Bc1+=; 13...Qe6 14.Nc4 (14.c3 dc3 15.Bc3 Bc3 16.Qc3+=) 14...Bb4 15.c3 dc3 16.Bc3+=; 13...b6 14.Rb1 (14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; 14.Nc4 Bb4 15.c3 dc3 16.Bc3+=; 14.c3 dc3 15.Bc3 Bc3 16.Qc3+=) 14...Qf6 15.Nc4 Bb4 16.Ne3+=; 13...Rb8 14.c3 (14.Nc4 Bb4 15.c3 dc3 16.Bc3+=; 14.Nb3 Bb4 15.c3 dc3 16.Bc3+=) 14...dc3 15.Bc3 Bc3 16.Qc3+=; 13...Nce5 14.c3 (14.Ne5 Ne5 15.c3 Nc6 16.Nf3+=) 14...dc3 15.Bc3 Bc3 16.Qc3=) 14.Ne5 (14.c3 dc3 15.Bc3 Bc3 16.Qc3+=) 14...Ne5 15.c3 Nc6 16.Nb3 +=.

12.a4 Nd7 13.Rc1 A) 13...Nb6 14.c3 (14.c4 Bd7 15.Ra1 f5 16.Qc2-/+) 14...dc3 15.Bc3 Bc3 16.Rc3+=; B) 13...Qf6 14.Nc4 (14.Ra1 Bb4 15.Nc4 b6 16.Bc1-/+) 14...Bb4 15.Rb1 a6 16.Ba3-/+.

12.Rb1 Bc3 13.a3 Bb2 14.Rb2 b6 15.Qa1 Nh5 16.Rfb1 Nf4 17.Bf1 Qf6 18.g3 Nh3 19.Bh3 Bh3 20.Ne1 Qh6 21.f4 g5 22.fg5 Qg5 23.Nc4 Na5 24.Nf3 Qh6 25.Re1 Nc4 26.dc4 Qc6 27.Qc1 Re4-+ 28.Qg5 Kh8 29.Re4-/+ Qe4 30.Qf6 Kg8 31.Qf7 Kf7 32.Ng5 Kg6 33.Ne4 Re8 (33...Re8 34.Nd6 Re2-+) 0–1. Kellermann – Pagni,Carlo Alberto, corr ICCF, 1997.

12.Nb3 Bc7 13.Nfd2 b6 14.f4 a5 15.a4 Ba6 16.g4 Nd7 17.g5 Nb4 18.Rf2 Nf8 19.Nf1 Ne6 20.Bc1 b5 21.ab5 Bb5 22.Bd2 a4 23.Nc1 Reb8 24.h4 Nf8 25.Ng3 Bd7 26.c3 dc3 27.Bc3 Ne6 28.Nf5 Qd8 29.Qd2 Nc6 30.Bd1 Ncd4 31.Ne2 Nf5 32.ef5 Nd4 33.Nd4 cd4 34.Bd4 Bf5 35.Qe3 a3 36.h5 Ra5 37.Bc3 Rab5 38.d4 Rb1 39.Rf1 Ra1 40.Ba1 Rb1 41.Bf3 a2 42.Kf2 Qb8 43.Re1 Be6 44.Qc3 Rb3 45.Qc6 Bf4 46.Re6 fe6 47.Qe6 Kh8 48.h6 Bg5 49.hg7 Kg7 50.Kg2 Bf6 51.Qd7 Kh8 52.Qf7 Bg7 53.Qe6 h6 54.Qe2 Qg8 55.Kh2 Qf7 56.Kg2 Rb1 (56...Rb1 57.Bc3 Qg6 58.Kh2 Rc1-+) 0–1. Wolf,Wolfgang (2285) – Heinke,Richard (1940), GER–ch37 V8 email, 2005.

12.Nb3 Bc7 13.c3 dc3 14.Bc3 c4 15.Nbd2 cd3 16.Bd3 Bg4 17.Qc2 Rac8 18.Qb2 Red8 19.Bc4 (19.Qb7?? Bh2! 20.Nh2 Qb7-+ (20...Rd3 21.Qe7 Ne7 22.Bf6 gf6 23.Ng4 Rd2 24.Rfd1+–)) 19...Na5 (worse 19...Ne4 20.Ne4 Bf3 21.gf3+=) 20.Bf6 Qf6 21.Qf6 gf6 22.Bd5 Be6 23.Be6 fe6 24.Rfd1 Bb6 25.Rac1 Nc4 26.Nb3 (worse 26.Nc4 Rd1 27.Rd1 Rc4-/+) 26...Ne3 (26...Kf7 27.Rd8 Rd8 28.Kf1=) 27.Rd8 (27.Rc8 Nd1 28.Rd8 Bd8=) 27...Rd8=+ (27...Bd8?? 28.Rc8 Kg7 29.Rd8+–) 28.Ne1 (28.g3 Rd1 29.Ne1 Kf7=+) 28...Ng4 29.Rc2 Nf2 (better 29...Rd1!? 30.Kf1 Nh2 31.Ke2 Rd6=+) 30.Rf2+= a5 31.Kf1 (31.a4+=) 31...a4 (31...Bf2 32.Kf2 a4 33.Nc1=) 32.Rd2 (better 32.Rf6!? ab3 33.ab3+–) 32...ab3= 33.Rd8 (33.ab3?? Rd2 34.h3 Rf2 35.Kg1 Rf4 36.Kh2 Re4-+) 33...Bd8 34.ab3 Kf7 35.Ke2 Ke7 36.Kf3 Bc7 37.h3 Kd6 38.Nd3 Kc6 39.g4 Bd8 40.Ke3 Bb6 41.Kf3 Bd8 42.Ke3 Bb6 43.Kf3 Bd8 ½–½. Roe,Philip (1950) – Cade,Stephen (2040), FICGS, 2012.

12.Nc4 Bc7 13.a4 b6 14.Nfd2 a6 15.c3 dc3 16.Bc3 Be6 17.Qb1 Rab8 18.Ne3 Red8 19.f4 b5 20.ab5 ab5 21.Ra6 Nd4 22.Bd4 cd4 23.Nc2 b4 24.Na1 Bc8 25.Ra7 Nd5 26.Nab3 Nc3 27.Qe1 Rb6 28.Ra1 g5 29.f5 Bf4 30.Rf4 gf4-/+ 31.Bf1 Ra6 32.Ra6 Ba6 33.Kh1 h6 34.Nf3 Kh7 35.h3 Rg8 36.Qa1 Bb5 37.Nbd4 Ba4 38.e5 Bd1 39.e6? fe6 40.fe6 Bf3 41.Nf3 Qe6 42.Qb2 Nd5 43.d4 Rc8 44.Kh2 Rc3 45.Qa2 b3 46.Qa7 Qe7 47.Qa6 Nb4 48.Qa1 Qc7 49.Qa3 Qb7 50.Qa5 b2 51.Qf5 Kg8 52.Qg6 Qg7 53.Qe8 Kh7 54.Qe4 Qg6 55.Qb7 Kg8 56.Qb8 Kg7 57.Qb4 b1Q 58.Qc3 Qf1 59.d5 Qf6 60.Qc7 Kg6 61.Qc2 Kf7 62.Qc7 Ke8 63.Qc8 Qd8 64.Qe6 Qe7 65.Qc8 Kf7 66.Qh8 Qe4 67.Qh6 Qf5 68.Qh8 Qe2 69.d6 Qf6 70.Qh7 Kf8 71.d7 Qee7 72.Qd3 Qed6 73.Qb5 Ke7 74.Qb1 Kd7 75.Qe4 Qde6 76.Qb1 Ke7 77.Qh7 Kf8 78.Qc7 Qe2 0–1. Degterev,Pavel (2225) – Sidenko,Anatoly (2295), CP–2009–Q–00018, 2011.

12.Nc4 Bc7 13.a4 Be6 14.Nfd2 Nd7 15.f4 Nb6 16.Nb6 ab6 17.g3 Red8 18.Nf3 f6 19.c4 Re8 20.Bc1 Ra7 21.Qc2 Bd7 22.Bd1 Nb4 23.Qb1 Nc6 24.Bd2 Raa8 25.Re1 Ra7 26.Kg2 Qe6 27.Kg1 Qe7 28.Kg2 ½–½. Bonetti,Shane (2180) – Bernal Varela,Nelson (2180), RM–2010-0-00057, 2010.

12.Nc4 Bc7 13.a4 Be6 14.Nfd2 Nd7 15.f4 Nb6 16.Nb6 ab6 17.Bg4 (17.e5 Nb4=) 17...Bg4+= 18.Qg4 Nb4 19.Rfc1 Ra7 20.Ba3 (20.e5 f6+=) 20...Nc6 21.Bb2 Qe6 22.f5 (better is 22.Qg3!?-/+) 22...Bh2!-+ 23.Kh2 Qh6 24.Kg1 Qe3 25.Kh1 Qd2 26.Rf1? (26.Ra3 Nb4 27.f6 Qh6 28.Kg1 Qf6-+) 26...f6 (26...Qc2 27.f6 g6 28.Qf4-+) 27.Rf3? (27.Qd1 Qd1 28.Rfd1-+) 27...Qc2 28.Rh3 Ne5 (28...Qb2?! 29.Rh7 Qa1 30.Kh2 Kh7 31.Qg6 Kg8 32.Qe8 Kh7 33.Qh5 Kg8 34.Qe8 Kh7 35.Qh5 Kg8 36.Qe8=) 29.Qh5 Kf8 30.Ba3 Ra4 31.Qh7 Kf7 (31...Nd3 32.Rg3 Re4 33.Qh8 Ke7 34.Rg7 Kd6 35.Qd8 Ke5 36.Rf1 Nf2 37.Kg1 Ra3 38.Qc7 Kd5 39.Qf7 Ke5 40.Qe6 Kf4 41.Qd6 Ke3 42.Qg3 Kd2 43.Rf2 Re2 44.Re2 (44.Qa3?! Rf2 45.Kf2 Qf5 46.Kg1 Qe4+=) 44...Ke2 45.Qa3+/-) 32.Qh5 Ke7 33.Qh7 (33.Rg3 Rg8 34.Kh2 Raa8 35.Bc5 bc5 (worse is 35...Qc5 36.Ra8 Ra8 37.Rg7 Kd6 38.Rg3-+) 36.Ra8 Ra8-+) 33...Kd7 34.Qg7 Re7 (34...Re7 35.Qh8 Ra3 36.Ra3 Qc1 37.Kh2 Qa3-+) 0–1. baitang (1940) – forsetinn (2315), gameknot.com, 2014.

13.Rb1 A) 13...Bd7 14.Qc1 (14.Nb3 Nb8 15.a5 Be6 16.Rc1-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Rc1 Rad8 15.Re1 b6 16.c3-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; B) 13...Be6 14.Ng5 (14.Qc1 Nh5 15.Re1 Nf4 16.Ba3-/+; 14.Bc1 Nd7 15.Nb3 Nb6 16.Ra1-/+; 14.Nb3 Nd7 15.Bc1 Nb6 16.Ra1-/+; 14.Rc1 Rad8 15.Ng5 Bd7 16.f4-/+) 14...Bd7 15.Nc4 h6 16.Nf3-/+; C) 13...Rb8 14.Bc1 (14.Qc1 Be6 15.c3 dc3 16.Bc3+=; 14.Nb3 Bd7 15.Bc1 Rbd8 16.Bg5-/+; 14.Rc1 Be6 15.Re1 Rbd8 16.Ng5-/+; 14.Re1 Qc7 15.Rc1 Be6 16.c3+=) 14...Bc3 15.Nc4 Be6 16.Bf4+=; D) 13...Bg4 14.Nb3 (14.Qc1 Rad8 15.Ba3 Bc3 16.Bb2-/+; 14.Bc1 Bd7 15.Nb3 b6 16.Bg5-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Re1 Qc7 15.Ra1 Rad8 16.Bc1-/+) 14...Be6 15.Bc1 b6 16.Ng5-/+; E) 13...Qc7 14.Qc1 Qa5 15.Nc4 Qa6 16.Nd6+=; F) 13...b6 14.Nb3 (14.Bc1 Bc3 15.Nc4 Be6 16.Na3-/+; 14.Re1 Be6 15.Qc1 Rad8 16.Ng5-/+; 14.Qc1 Be6 15.c3 dc3 16.Bc3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+) 14...Be6 15.Bc1 Bc3 16.Bf4-/+.

13.Nb1 A) 13...b6 14.c3 (14.c4 Nd7 15.Bc1 f5 16.Bg5-/+; 14.Qc1 Bg4 15.Nbd2 Rad8 16.Re1-/+; 14.Kh1 Be6 15.Ng5 Bd7 16.c3-/+) 14...dc3 15.Nc3 Be6 16.Ng5+=; B) 13...Rd8 14.Bc1 (14.Qc1 c4 15.Qg5 c3 16.Bc1-/+; 14.Nbd2 Be6 15.Ng5 Bd7 16.Nc4-/+; 14.Ba3 Ba3 15.Na3 Be6 16.Ng5-/+; 14.Na3 b6 15.Bc1 Re8 16.Bf4-/+) 14...b6 15.Bg5 Re8 16.Nbd2-/+; C) 13...Be6 14.Qc1 (14.c3 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.c4 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.Ng5 Bd7 15.c3 dc3 16.Nc3-/+) 14...b6 15.c3 dc3 16.Nc3+=; D) 13...Bf5 14.c3 dc3 15.Nc3 Be6 16.Qc1+=; E) 13...Rb8 14.c3 (14.c4 b6 15.Bc1 Qd6 16.Nbd2-/+) 14...dc3 15.Nc3 Be6 16.Qc1+=; F) 13...Bd7 14.c3 (14.Qc1 Bg4 15.c3 dc3 16.Nc3-/+) 14...dc3 15.Nc3 Rad8 16.Na2-/+.

13.Nb3 A) 13...b6 14.Rb1 (14.Bc1 a6 15.Bg5 Be6 16.Nc1-/+; 14.Qc1 Bg4 15.Qf4 Be6 16.Ng5-/+; 14.Rc1 Be6 15.Ng5 Bd7 16.c3-/+) 14...Be6 15.Bc1 Bc3 16.Bf4-/+; B) 13...Be6 14.Ng5 (14.Rb1 Nd7 15.Bc1 Nb6 16.Ra1-/+; 14.Rc1 Rad8 15.Ng5 Bc8 16.Rb1-/+; 14.Bc1 b6 15.Rb1 Bc3 16.Ng5-/+; 14.Qc1 Qd6 15.Qg5 Rad8 16.Rfb1-/+) 14...Bd7 15.Qc1 h6 16.Nf3-/+; C) 13...Qd6 14.Bc1 (14.Rc1 Be6 15.Ng5 Bd7 16.c3-/+; 14.Rb1 Nd7 15.Nfd2 Nb6 16.Ra1-/+; 14.Qc1 Be6 15.Qg5 Rad8 16.Rfb1-/+; 14.a5 Rb8 15.Bc1 Bc3 16.Ra4-/+) 14...Be6 15.Rb1 Bc3 16.Ng5-/+; D) 13...Nd7 14.Qc1 (14.Nfd2 Qf6 15.Bg4 b6 16.Nc4-/+; 14.a5 Nf6 15.Bc1 Bc3 16.Ra4-/+; 14.Bc1 Bc3 15.Ra2 f5 16.Bg5-/+; 14.Nbd2 Nb6 15.Qc1 Qf6 16.Nb1-/+) 14...f5 15.c3 dc3 16.Bc3+=; E) 13...Rb8 14.Bc1 (14.Rb1 Be6 15.Bc1 Rbc8 16.Bf4-/+; 14.Qc1 b6 15.Rb1 Bd7 16.c3-/+; 14.Rc1 b6 15.Nbd2 Be6 16.Nb1-/+; 14.Qb1 Be6 15.Bc1 h6 16.Bf4-/+) 14...Bc3 15.Rb1 c4 16.Nbd2+=; F) 13...Bd7 14.Qc1 (14.Bc1 b6 15.Rb1 Bc3 16.Bf4-/+; 14.Rb1 Nb8 15.a5 Be6 16.Rc1-/+; 14.Rc1 Nb8 15.a5 Nd5 16.Nfd2-/+; 14.a5 Be6 15.a6 b5 16.Ng5-/+) 14...b6 15.c3 dc3 16.Bc3-/+.

13.Qc1 Be6 (13...Bg4 14.Re1 (14.Rb1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Nc4 Rad8 15.Qf4 Be6 16.Nfe5-/+; 14.Rd1 Rad8 15.Re1 c4 16.Ba3-/+; 14.c3 dc3 15.Bc3 Rad8 16.Re1-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; 13...b6 14.c3 (14.Re1 Be6 15.Ng5 Bd7 16.c3-/+; 14.c4 Nh5 15.Re1 Nf4 16.Bf1-/+; 14.Rb1 Be6 15.Re1 Rad8 16.c3-/+; 14.Rd1 Be6 15.c3 dc3 16.Bc3-/+) 14...dc3 15.Bc3 Bg4 16.Bb4-/+; 13...Bd7 14.c3 (14.Re1 Rad8 15.Ba3 Ba5 16.Bb2-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Rd1 Be6 15.Ng5 Bg4 16.Bg4-/+; 14.c4 Nh5 15.Qc2 Nf4 16.Rfe1-/+) 14...dc3 15.Bc3 Bc3 16.Qc3-/+; 13...Rb8 14.Rb1 (14.Re1 Be6 15.c3 dc3 16.Bc3+=; 14.c3 dc3 15.Bc3 Bg4 16.a5+=; 14.Rd1 Be6 15.c3 dc3 16.Bc3-/+; 14.Nb1 Bg4 15.c3 dc3 16.Nc3-/+) 14...Be6 15.c3 dc3 16.Bc3+=; 13...Rd8 14.c3 (14.Re1 b6 15.c3 dc3 16.Bc3+=; 14.Rb1 b6 15.c3 dc3 16.Bc3+=; 14.c4 dc3 15.Bc3 Bc3 16.Qc3+=; 14.Rd1 Be6 15.Ng5 Bd7 16.Ngf3-/+) 14...dc3 15.Bc3 Bc3 16.Qc3+=) 14.c3 (14.c4 dc3 15.Bc3 Rad8 16.a5-/+; 14.Re1 Rad8 15.Rb1 b6 16.c3-/+; 14.Ng5 Bd7 15.Ngf3 Rad8 16.Re1-/+; 14.Rb1 Rad8 15.Re1 b6 16.c3-/+) 14...dc3 15.Bc3 Rad8 16.Bb4 -/+.

13.Bc1 A) 13...Be6 14.Nb3 (14.Ng5 Bc3 15.Ra3 Bd7 16.Nc4-/+; 14.Rb1 Nd7 15.Nb3 Nb6 16.Ra1-/+; 14.h3 Bc3 15.Rb1 Ba2 16.Rb5-+) 14...Bc3 15.Rb1 b6 16.Bf4-/+; B) 13...b6 14.Rb1 (14.Nb3 a6 15.Bg5 Be6 16.Nc1-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Ng5 Bc3 15.Rb1 Bd7 16.Bb2-/+) 14...Bc3 15.Nb3 Bd7 16.Bf4-/+; C) 13...Bd7 14.Nb1 (14.Nc4 Be6 15.Nce5 Ne5 16.Ne5-/+; 14.Rb1 Na5 15.Ra1 Nd5 16.Nb1-/+; 14.Nb3 b6 15.Rb1 Bc3 16.Bf4-/+; 14.Ra2 b6 15.Nb3 Bc3 16.Nbd2-/+) 14...b6 15.Bf4 Nh5 16.Bg5+=; D) 13...h6 14.Nb3 (14.Rb1 Be6 15.Nb3 b6 16.Bf4-/+; 14.Re1 Be6 15.Rb1 Rad8 16.h3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Ra2 Be6 15.Ra1 Bc3 16.Rb1-/+) 14...Be6 15.Rb1 Bc3 16.Bd2-/+; E) 13...Nd7 14.Nc4 (14.Ra2 Qe6 15.Nc4 Nde5 16.Ng5+=; 14.Nb3 Bc3 15.Ra3 b6 16.Bg5-/+; 14.h3 Bc3 15.Ra2 Nb6 16.Nb3-/+; 14.Nb1 f5 15.Bd2 fe4 16.de4+=) 14...f5 15.Bg5 Qe6 16.Bd2+=; F) 13...Bc3 14.Rb1 b6 15.Nc4 Be6 16.Na3-/+.

13.Rc1 A) 13...Bg4 14.Nb3 (14.Nb1 Bf3 15.Bf3 Rad8 16.Na3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Re1 Rad8 15.Rb1 Qc7 16.Ra1-/+; 14.Ng5 Bd7 15.Ngf3 Rad8 16.Re1-/+) 14...Be6 15.Ng5 Bd7 16.c3-/+; B) 13...b6 14.Nb1 (14.Re1 Bd7 15.c3 dc3 16.Bc3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Nb3 Be6 15.Ng5 Bd7 16.c3-/+) 14...Be6 15.c3 dc3 16.Nc3-/+; C) 13...Bd7 14.c4 (14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Nb1 Rad8 15.c3 dc3 16.Nc3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+) 14...Qe6 15.Rb1 Re7 16.Ng5+=; D) 13...Rb8 14.c3 (14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Re1 Be6 15.c3 dc3 16.Bc3-/+; 14.Nb1 Rd8 15.Nbd2 b6 16.Re1-/+; 14.Nb3 b6 15.c3 dc3 16.Bc3-/+) 14...dc3 15.Bc3 Bc3 16.Rc3-/+; E) 13...Rd8 14.Nb3 (14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Rb1 Be6 15.Ng5 Bd7 16.Nc4-/+; 14.Re1 b6 15.c3 dc3 16.Bc3-/+) 14...b6 15.Rb1 Re8 16.Bc1-/+; F) 13...Be6 14.Nb3 (14.Ng5 Bd7 15.Ngf3 Rad8 16.c3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Re1 Rad8 15.Ng5 Bd7 16.Ngf3-/+) 14...b6 15.Ng5 Bd7 16.c3-/+.

13.Nc4 Rb8 14.Qc1 b6 15.Ba3 Bc3 16.Bb2 Ba6 17.Nfd2 Nb4 18.Bf3 Rbd8 19.Qb1 Nd7 20.Bg4 Ne5 21.Ne5 Qe5 22.Nf3 Qf4 23.Bh3 Nc6 24.Rd1 c4 25.Bc3 dc3 26.dc4 Bc4 27.Rd8 Rd8 28.Qe1 Rd2 29.Nd2 cd2 30.Qd1 h5 31.g3 Qe5 32.Bf1 Bf1 33.Kf1 Qc3 34.Kg1 Nd4 35.Rb1 g6 36.Kg2 Qc6 37.a5 ba5 38.f4 Qc3 39.Rb8 Kg7 40.Rd8 a4 41.f5 Qe3 42.fg6 fg6 43.Rd7 Kh6 44.Rf7 a3 0–1. Bristol,Mike (2135) – Morley,Paul (2325), CAN/C68/S (CAN), 2012.

13.Re1 A) 13...Ng4 14.Qc1 (14.Ba3 Bc3 15.Rb1 Be6 16.Rb5-/+; 14.Rb1 Qf6 15.h3 Nge5 16.Ne5-/+; 14.Rc1 Qf6 15.Rb1 Be6 16.h3-/+; 14.Bc1 Be6 15.Rb1 Qf6 16.Rf1-/+) 14...Qf6 15.Ba3 Be6 16.Bb4+=; B) 13...b6 14.Rb1 (14.Rc1 Be6 15.c3 dc3 16.Bc3-/+; 14.Qc1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.Ba3 Bc3 15.Rb1 Be6 16.Bb2-/+; 14.Qb1 Be6 15.Qc1 Rad8 16.c3-/+) 14...Bd7 15.Qc1 Rad8 16.c3-/+; C) 13...Bd7 14.Qc1 (14.Rc1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Qb1 c4 15.Bc1 b6 16.Ra2-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; D) 13...Bg4 14.Ba3 (14.Qc1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Bc1 b6 15.Bb2 Rad8 16.Rb1-/+; 14.Ng5 Bd7 15.Ngf3 Rad8 16.Qc1-/+; 14.Rb1 Qc7 15.Rf1 Be6 16.Nb3-/+) 14...Ba3 15.Ra3 Be6 16.Ng5-/+; E) 13...Ne5 14.Qc1 (14.Rc1 Nf3 15.Bf3 Ng4 16.Bg4+=) 14...Nf3 15.Bf3 Be6 16.c3+=; F) 13...Be6 14.Rc1 (14.Ng5 Bd7 15.Ngf3 Rad8 16.Qc1-/+; 14.Qc1 Rad8 15.Rb1 b6 16.c3-/+) 14...Rad8 15.Ng5 b6 16.Ne6-/+.

13.Rb1 A) 13...Bb4 14.Nb3 (14.Re1 Be6 15.Qc1 Rad8 16.c3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Bc1 Bc3 15.Re1 Be6 16.Ng5-/+; 14.Qc1 Be6 15.c3 dc3 16.Bc3-/+) 14...a6 15.Qc1 Be6 16.Ng5-/+; B) 13...Be6 14.Qc1 (14.Re1 Nd7 15.Bc1 Bc3 16.Bb2-/+; 14.Ng5 Bd7 15.Nc4 Bb4 16.f4-/+; 14.Bc1 Bc3 15.Ng5 Ba2 16.Rb5-+; 14.Nb3 Bb4 15.Bc1 h6 16.Bf4-/+) 14...Rad8 15.Ng5 Bd7 16.Nc4-/+; C) 13...Qe6 14.Qc1 (14.Nc4 Bb4 15.Bc1 Ba6 16.Ng5-/+; 14.Nb3 Bb4 15.Bc1 Bc3 16.Bf4+=; 14.Ba3 Bc3 15.Bb2 Bb2 16.Rb2-/+) 14...Nb4 15.Nc4 Na2 16.Qf4+=; D) 13...Bd7 14.Qc1 (14.Nc4 Bb4 15.e5 Nd5 16.Nd6-/+; 14.Nb3 Bb4 15.Bc1 Bc3 16.Bf4-/+; 14.Bc1 Bc3 15.Nb3 c4 16.Nbd2-/+; 14.Re1 Qe6 15.Ra1 a6 16.Ng5-/+) 14...Rad8 15.Nc4 Bb4 16.Qg5-/+.

13.Nb1 A) 13...Bb4 14.c3 (14.c4 Qe6 15.Nbd2 Bd7 16.Re1-/+; 14.Qc1 Bg4 15.c3 dc3 16.Nc3-/+; 14.Bc1 Be6 15.Bf4 Rac8 16.Ng5-/+) 14...dc3 15.Nc3 Be6 16.Ng5+=; B) 13...Be6 14.c4 (14.c3 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.Ng5 Bd7 15.Nf3 Rad8 16.c3-/+; 14.Bc1 Rac8 15.Ng5 Bd7 16.Bf4-/+; 14.Qc1 Rad8 15.c3 Bg4 16.Rd1-/+) 14...dc3 15.Nc3 Red8 16.Qc1-/+.

13.Nb3 Bb4 14.Qc1 (14.Bc1 Bc3 15.Rb1 Bd7 16.Bf4-/+; 14.Rc1 Be6 15.Ng5 Bd7 16.c3-/+; 14.Rb1 Bd7 15.Bc1 Bc3 16.Bf4-/+) 14...Be6 15.Ng5 Rad8 16.Ne6 -/+.

13.Qc1 Bb4 14.c3 (14.Re1 Be6 15.Ng5 Bd7 16.c3-/+; 14.c4 Nh5 15.Re1 Nf4 16.Bf1-/+; 14.Rb1 Be6 15.Re1 Rad8 16.c3-/+; 14.Nb1 Bg4 15.c3 dc3 16.Nc3-/+) 14...dc3 15.Bc3 Bg4 16.Bb4 -/+.

13.Qc1 Rb8 14.Rb1 (14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.Re1 Be6 15.c3 dc3 16.Bc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Be6 15.Ng5 Bd7 16.Nc4 -/+.

13.Qc1 Bd7 14.Nc4 (14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Rb1 Bb4 15.c3 dc3 16.Bc3-/+; 14.Rd1 Rad8 15.Nc4 Bb4 16.c3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Bb4 15.c3 dc3 16.Bc3 -/+.

13.Qc1 Be6 14.Rb1 (14.Ng5 Bd7 15.Nb3 Bb4 16.c3-/+; 14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Rd1 Rad8 15.Nb3 Bb4 16.Ng5-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Rad8 15.Ng5 Bd7 16.Nc4 -/+.

13.Qc1 Bf5 14.Nc4 (14.Re1 Bd7 15.c3 dc3 16.Bc3-/+; 14.Rb1 Rad8 15.Nc4 Bb4 16.Qg5+=; 14.Ng5 Bd7 15.Nb3 Bb4 16.c3-/+; 14.Nb3 Bb4 15.Rb1 Bd7 16.c3-/+) 14...Bb4 15.e5 Nd5 16.Nd6 +=.

13.Qc1 Bg4 14.Rd1 (14.Rb1 Be6 15.Ng5 Bd7 16.Nc4-/+; 14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Nc4 Bb4 15.e5 Nd5 16.Nd4-/+; 14.Nb3 Bb4 15.Rb1 Qd6 16.c3-/+) 14...Be6 15.Ng5 Bd7 16.Nb3 -/+.

13.Rc1 A) 13...Bb4 14.Nb1 (14.Re1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Nb3 Be6 15.Ng5 Bd7 16.c3-/+) 14...Be6 15.c3 dc3 16.Nc3-/+; B) 13...Be6 14.Ng5 (14.Re1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Rb1 Bc3 15.Bc3 dc3 16.Nb3-/+) 14...Bd7 15.Nc4 Bb4 16.f4-/+; C) 13...Rd8 14.Nc4 (14.Re1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.Nb3 Bb4 15.Rb1 Re8 16.Bc1-/+; 14.Rb1 Bb4 15.Qc1 Be6 16.Re1-/+; 14.Ng5 Bb4 15.f4 h6 16.Ngf3-/+) 14...Bb4 15.Rb1 Re8 16.Bc1-/+; D) 13...Nb4 14.c3 (14.Ra1 Be6 15.Nb3 Bb3 16.cb3+=; 14.Rb1 Na2 15.Nc4 Bc3 16.e5-/+; 14.Nc4 Na2 15.Na5 Nc1 16.Qc1-/+; 14.Nb3 Na2 15.Na5 Nc1 16.Qc1-/+) 14...Na2 15.cd4 Nc1 16.Qc1+=; E) 13...Rb8 14.Nb3 (14.Re1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.Nb1 Nb4 15.c3 Na2 16.cd4-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+) 14...Bb4 15.c3 dc3 16.Bc3-/+; F) 13...Bd7 14.Nb3 (14.Re1 Rad8 15.Rb1 Bb4 16.Rc1-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+) 14...Bb4 15.c3 dc3 16.Bc3-/+.

13.Nc4 Bb4 14.Rb1 (14.Bc1 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Qc1 Ba6 15.Ncd2 Rad8 16.Re1-/+; 14.Ng5 h6 15.Nf3 Be6 16.Nfe5-/+; 14.Rc1 Be6 15.Nce5 Ne5 16.Ne5-/+) 14...Be6 15.Nfe5 Ne5 16.Ne5 -/+.

13.Re1 A) 13...Bd7 14.Qc1 (14.Rc1 Rad8 15.Ra1 Bb4 16.Qc1-/+; 14.Qb1 Ng4 15.Qd1 Nge5 16.Ne5-/+; 14.Rb1 Qe6 15.Ra1 Rad8 16.Ng5-/+; 14.Rf1 Bb4 15.Qc1 Rad8 16.Re1-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; B) 13...Bg4 14.Rc1 (14.Rb1 Be6 15.Qc1 Nb4 16.c4-/+; 14.Qc1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.Bc1 Be6 15.Rb1 Bc3 16.Ng5-/+; 14.Ng5 Bd7 15.Ngf3 Bb4 16.Qc1-/+) 14...Qe6 15.c3 dc3 16.Bc3-/+; C) 13...Bb4 14.Rb1 (14.Rc1 Bg4 15.h3 Bd7 16.c3-/+; 14.Ba3 Ba3 15.Ra3 Be6 16.Ng5-/+; 14.Qc1 Be6 15.Ng5 Bd7 16.c3-/+; 14.Qb1 Be6 15.Qc1 Rad8 16.Rb1-/+) 14...Bd7 15.Qc1 Rad8 16.c3+=; D) 13...h6 14.Qb1 (14.Rc1 Be6 15.Rb1 Rad8 16.Qc1-/+; 14.Qc1 Be6 15.Rb1 Rad8 16.c3-/+; 14.Rb1 Be6 15.Qc1 Rad8 16.c3-/+; 14.Ra3 Be6 15.c3 dc3 16.Bc3-/+) 14...Be6 15.Qc1 Rad8 16.c3-/+; E) 13...a6 14.Qc1 (14.Rc1 Be6 15.c3 dc3 16.Bc3-/+; 14.Rb1 Be6 15.Qc1 Rad8 16.Ng5+=; 14.Rf1 Bb4 15.Bc1 Be6 16.Ng5+=; 14.Ba3 Bc3 15.Rb1 Rb8 16.Bb2-/+) 14...Bg4 15.Rb1 Rad8 16.c3+=; F) 13...Be6 14.Ng5 (14.Qc1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Rb1 Nd7 15.Bc1 Bc3 16.Bb2-/+; 14.Rc1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Bc1 Bc3 15.Rb1 Ba2 16.Rb5-+) 14...Bd7 15.Ngf3 Bb4 16.Rc1-/+.

13.Rb1 A) 13...Bb4 14.Qc1 (14.Nb3 Nb8 15.a5 Be6 16.Rc1-/+; 14.Nc4 b6 15.e5 Nd5 16.Nd6-/+; 14.Rc1 Rad8 15.Re1 b6 16.c3-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; B) 13...Rad8 14.Ba3 (14.Nb3 Bb4 15.Bc1 b6 16.Bg5-/+; 14.Nc4 Bb4 15.Bc1 Be6 16.Nce5-/+) 14...Bb4 15.Bb4 Nb4 16.a5-/+; C) 13...b6 14.Qc1 (14.Nc4 Bb4 15.e5 Nd5 16.Nd6-/+; 14.Nb3 Bb4 15.Bc1 Bc3 16.Bb2-/+; 14.Re1 Qe6 15.Ra1 Rad8 16.Ng5-/+; 14.Bc1 Nb4 15.Ra1 Nfd5 16.Nb1-/+) 14...Rad8 15.Nc4 Bb4 16.Qg5-/+.

13.Nb3 Bb4 14.a5 (14.Rb1 Nb8 15.a5 Be6 16.Rc1-/+; 14.Qc1 b6 15.c3 dc3 16.Bc3-/+; 14.Rc1 Nb8 15.a5 Nd5 16.Nfd2-/+; 14.Bc1 Bc3 15.Rb1 b6 16.Bf4-/+) 14...b6 15.ab6 ab6 16.Qc1 -/+.

13.Qc1 A) 13...b6 14.Nc4 (14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Rb1 Rad8 15.Nc4 Bb4 16.Qg5-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Bb4 15.c3 dc3 16.Bc3-/+; B) 13...Nh5 14.Nb3 (14.c3 Nf4 15.Re1 Qf6 16.cd4-/+; 14.Nc4 Bc7 15.c3 Nf4 16.Re1-/+; 14.Re1 Nf4 15.c3 Qf6 16.cd4-/+) 14...Bc7 15.g3 Nf6 16.c3+=; C) 13...Bg4 14.Rb1 (14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; 14.Re1 Rad8 15.Rb1 b6 16.c3-/+; 14.Nc4 Bb4 15.Rb1 Be6 16.Nfe5-/+; 14.Rd1 Be6 15.Ng5 Bd7 16.Nb3+=) 14...Rad8 15.Nc4 Bb4 16.e5+=; D) 13...Be6 14.Ng5 (14.Re1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Rb1 Rad8 15.Ng5 Ba2 16.Ra1-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3+=; 14.c4 dc3 15.Bc3 Bc3 16.Qc3+=) 14...Bf5 15.Nb3 Bc7 16.f4+=; E) 13...Bb4 14.Re1 (14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+; 14.Rd1 Rad8 15.c3 dc3 16.Bc3-/+; 14.c4 Nh5 15.Re1 Nf4 16.Bf1-/+; 14.Nb1 Bg4 15.c3 dc3 16.Nc3-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; F) 13...Rad8 14.Rb1 (14.Nc4 Bb4 15.e5 Nd5 16.Nd6-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3-/+; 14.Re1 b6 15.c3 dc3 16.Bc3-/+; 14.Rd1 b6 15.Nc4 Bb4 16.c3-/+) 14...b6 15.Nc4 Bb4 16.Qg5-/+.

13.Rc1 A) 13...Nb4 14.Nb3 (14.Ra1 Rad8 15.Nb3 Bc7 16.Ba3-/+; 14.Nc4 Bc7 15.Ra1 Rad8 16.Bc1-/+) 14...Bc7 15.Ra1 Bd6 16.Re1+=; B) 13...Bb4 14.c3 (14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Nb1 Rad8 15.c3 dc3 16.Nc3-/+; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Ba1 Rad8 15.c3 dc3 16.Bc3-/+) 14...dc3 15.Bc3 Bc3 16.Rc3-/+; C) 13...Rad8 14.Rb1 (14.Re1 b6 15.Rb1 Bb4 16.Bc1-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+) 14...Bb4 15.Qc1 b6 16.c3-/+; D) 13...Be6 14.Ng5 (14.Nb3 Bb4 15.Ng5 Rad8 16.Ne6+=; 14.Re1 Rad8 15.Ng5 Bd7 16.Ngf3-/+) 14...b6 15.Ne6 Qe6 16.Nc4+=; E) 13...b6 14.Nb3 (14.Re1 Rad8 15.c4 dc3 16.Bc3-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+) 14...Bb4 15.c3 dc3 16.Bc3-/+.

13.Nc4 Bb4 14.Nfd2 (14.Rb1 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Rc1 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.Qc1 Be6 15.Nfe5 Ne5 16.Ne5-/+; 14.e5 Nd5 15.Nd6 Reb8 16.Nc4-/+) 14...Rad8 15.f4 Bc3 16.Bc3 +=.

13.Re1 A) 13...b6 14.Qc1 (14.Qb1 Ng4 15.Rf1 Be6 16.Nb3-/+; 14.Rb1 Qe6 15.Ra1 Bb4 16.Qc1-/+; 14.Rc1 Rad8 15.Ra1 Bb4 16.Qc1-/+; 14.h3 Rad8 15.Qc1 Be6 16.Ng5-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; B) 13...Bb4 14.Qc1 (14.Rc1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Qb1 c4 15.Bc1 b6 16.Rd1-/+) 14...Rad8 15.c3 dc3 16.Bc3-/+; C) 13...Rac8 14.Qc1 (14.Rc1 Rcd8 15.Rb1 b6 16.Qc1-/+; 14.Rb1 b6 15.Qc1 Nb4 16.Ra1-/+; 14.Qb1 b6 15.Qc1 Rcd8 16.c3-/+; 14.Rf1 Bb4 15.Re1 b6 16.Qc1-/+) 14...Rcd8 15.c3 dc3 16.Bc3-/+; D) 13...Rab8 14.Rb1 (14.Rc1 Rbd8 15.c3 dc3 16.Bc3-/+; 14.Qc1 Rbd8 15.Rb1 b6 16.c3-/+; 14.Qb1 Rbd8 15.Qc1 b6 16.c3-/+; 14.h3 b6 15.Rb1 Bb4 16.Qc1-/+) 14...Qe6 15.Rc1 b5 16.c3+=; E) 13...a6 14.Qc1 (14.Rc1 Be6 15.c3 dc3 16.Bc3+=; 14.Rb1 Bb4 15.Qc1 Rab8 16.c3+=; 14.Ra3 Bb4 15.Ra1 b6 16.Qc1-/+; 14.Qb1 b6 15.Qc1 Rad8 16.c3+=) 14...Rad8 15.c3 dc3 16.Bc3+=; F) 13...Rad8 14.Qc1 (14.Rb1 b6 15.Bc1 Bc3 16.Bb2-/+; 14.h3 b6 15.Qc1 Bb4 16.c3-/+; 14.Rc1 b6 15.Rb1 Bb4 16.Bc1-/+; 14.Qb1 Bg4 15.Qd1 b6 16.Rb1-/+) 14...b6 15.c3 dc3 16.Bc3-/+.

13.Rb1 A) 13...b6 14.Nc4 (14.Bc1 Bc3 15.Nc4 h6 16.Bd2+=) 14...Bb4 15.Bc1 Re8 16.Bg5+=; B) 13...Bc3 14.Nc4 (14.Qc1 Bb2 15.Qb2 b6 16.Rfe1+=; 14.Re1 Bb2 15.Rb2 b6 16.Nc4+=; 14.Bc3 dc3 15.Nc4 Ne4 16.Qe1-/+; 14.Nb3 c4 15.e5 cb3 16.ef6+=) 14...Bb2 15.Rb2 Be6 16.Nfe5+=; C) 13...Bd7 14.Nc4 (14.Bc1 Nb4 15.Ra1 Na6 16.e5+=; 14.Nb3 Bb4 15.Bc1 Re8 16.Bd2+=) 14...Bb4 15.Bc1 h6 16.Bf4+=; D) 13...Be6 14.Ng5 (14.Nb3 Bb4 15.Bc1 Re8 16.Ng5+=) 14...Bd7 15.Nc4 Bb4 16.Bc1+=; E) 13...Bb4 14.Qc1 (14.Bc1 Re8 15.Nb3 b6 16.Bf4-/+; 14.Nb3 b6 15.Qc1 Be6 16.Ng5+=; 14.Re1 b6 15.Qc1 Be6 16.c3+=; 14.Nc4 Be6 15.Nfe5 Ne5 16.Ne5-/+) 14...b6 15.c3 dc3 16.Bc3+=.

13.Nb3 A) 13...Bc3 14.Bc3 dc3 15.Qe1 c4 16.Nc1+=; B) 13...Bc7 14.Rb1 (14.Qd2 Be6 15.Ng5 Bg4 16.f3+=; 14.Qc1 Nh5 15.Qg5 Qg5 16.Ng5-/+; 14.a5 Be6 15.Qd2 Qd6 16.Qg5+=; 14.Bc1 c4 15.Ba3 Bd6 16.Bd6+=) 14...Bf4 15.Re1 b6 16.Bc1+=; C) 13...Bb4 14.Rb1 (14.Bc1 b6 15.Rb1 Re8 16.Bf4-/+; 14.Qc1 b6 15.Rb1 Ba6 16.Qd1-/+; 14.Rc1 b6 15.Rb1 Re8 16.Bc1-/+; 14.Qb1 Be6 15.Ng5 Bd7 16.Qc1-/+) 14...b6 15.Qc1 Be6 16.Ng5+=.

13.Qc1 A) 13...b6 14.Rb1 (14.Re1 Be6 15.Ng5 Bd7 16.c3-/+; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.Nb3 Bb4 15.Rb1 Ba6 16.Qd1-/+; 14.Rd1 Be6 15.Ng5 Bd7 16.Ngf3+=) 14...Bb4 15.c3 dc3 16.Bc3+=; B) 13...Bb4 14.Rb1 (14.Re1 b6 15.c3 dc3 16.Bc3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3+=; 14.c4 dc3 15.Bc3 Bc3 16.Qc3+=; 14.Nb3 b6 15.Rb1 Ba6 16.Qd1-/+) 14...Be6 15.Re1 b6 16.c3+=; C) 13...Bg4 14.Rd1 (14.Rb1 b6 15.Nc4 Bb4 16.Qg5+=; 14.Nc4 Bb4 15.Qg5 Be6 16.Nfe5+=; 14.Re1 b6 15.Rb1 Re8 16.c3-/+; 14.Nb3 Bb4 15.Rb1 Ne5 16.Qf4+=) 14...Re8 15.Nb3 Bc7 16.c3+=; D) 13...Be6 14.Nb3 (14.Rb1 Nh5 15.Nb3 Bc7 16.g3+=; 14.Re1 b6 15.Ng5 Bd7 16.Ngf3-/+; 14.Ng5 Bd7 15.Nc4 Bb4 16.Qf4+=; 14.Rd1 Re8 15.Ng5 Bg4 16.Bg4+=) 14...Bb4 15.Ng5 Bb3 16.cb3+=; E) 13...Rb8 14.Re1 (14.Rb1 Be6 15.Ng5 Bd7 16.Ngf3+=; 14.Nb3 Bb4 15.Ba3 Be6 16.Rb1+=; 14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Be6 15.Ng5 Bd7 16.Ngf3+=; F) 13...Nh5 14.Nc4 (14.Nb3 Bc7 15.Qg5 Qg5 16.Ng5-/+) 14...Bc7 15.c3 Nf4 16.Qc2-/+.

13.Rc1 A) 13...b6 14.Rb1 (14.Re1 Bc3 15.Rb1 Be6 16.Ng5-/+; 14.Nb3 Bb4 15.Rb1 Re8 16.Bc1-/+; 14.Ng5 Bb4 15.f4 h6 16.Ngf3-/+; 14.h3 Bb4 15.Re1 Rb8 16.c3-/+) 14...Bd7 15.Nc4 Bb4 16.Bc1+=; B) 13...Rb8 14.Rb1 (14.Re1 b6 15.Rb1 Re8 16.Qc1-/+; 14.Nb3 Bc3 15.Bc3 dc3 16.Qe1-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+) 14...Be6 15.Ng5 Bc3 16.Ne6+=; C) 13...Be6 14.Nb3 (14.Ng5 Bd7 15.f4 Bc7 16.f5-/+; 14.Rb1 Nd7 15.Nb3 Bb4 16.Bc1-/+; 14.Re1 b6 15.Ng5 Bd7 16.Ngf3-/+) 14...Bc7 15.Qd2 Nh5 16.g3+=; D) 13...Bd7 14.Nb3 (14.Nc4 Bb4 15.c3 dc3 16.Bc3-/+; 14.Re1 b6 15.c3 dc3 16.Bc3-/+; 14.Rb1 Bb4 15.Qc1 Na5 16.Ra1+=; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+) 14...Bb4 15.c3 dc3 16.Bc3+=; E) 13...Bb4 14.Nb3 (14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Rb1 Re8 15.Qc1 Be6 16.c3-/+; 14.Re1 b6 15.Rb1 Be6 16.Ng5-/+) 14...b6 15.Rb1 Re8 16.Bc1-/+.

13.Bc1 A) 13...b6 14.Nc4 (14.Rb1 Bc3 15.Nc4 h6 16.Bd2+=; 14.Nb3 Bc3 15.Rb1 Re8 16.Bd2-/+) 14...Bc3 15.Rb1 h6 16.Na3+=; B) 13...h6 14.Rb1 (14.Nc4 Bc3 15.Rb1 Be6 16.Nfd2-/+; 14.Re1 Be6 15.Rb1 Bc3 16.Bb2-/+; 14.Nb3 Bc3 15.Rb1 Be6 16.Bf4-/+; 14.h3 Be6 15.Rb1 b6 16.Nb3-/+) 14...Be6 15.Nb3 Bc3 16.Bf4-/+; C) 13...Bc3 14.Rb1 (14.Ra3 Re8 15.Rc3 dc3 16.Nb1-/+) 14...Be6 15.Nb3 Re8 16.Bf4+=; D) 13...Be6 14.Ng5 (14.Rb1 h6 15.Nb3 Bc3 16.Bf4-/+; 14.Re1 Bc3 15.Rb1 Ba2 16.Rb5-+; 14.Nb3 Bc3 15.Rb1 Re8 16.Bf4-/+; 14.Nb1 Re8 15.Bf4 Bc7 16.Bc7-/+) 14...Bc3 15.Ne6 fe6 16.Rb1+=; E) 13...Bd7 14.Nc4 (14.Rb1 Nb4 15.Ra1 Bc7 16.Re1+=) 14...Bc3 15.Rb1 b6 16.e5+=; F) 13...Bb4 14.Nc4 (14.Rb1 Re8 15.Nc4 Be6 16.Nce5-/+) 14...Re8 15.Rb1 Be6 16.Nce5-/+.

13.Nc4 Bb4 (13...Bc7 14.Bc1 Re8 15.Re1 Be6 16.Ncd2-/+) 14.Bc1 (14.Rb1 Be6 15.Nfe5 Ne5 16.Ne5-/+) 14...Re8 15.Rb1 Be6 16.Nce5 -/+.

13.Re1 b6 (13...Be6 14.Ng5 (14.Qc1 b6 15.Ng5 Bd7 16.Ngf3-/+; 14.Bc1 Bc3 15.Rb1 Ba2 16.Rb5-+; 14.Rc1 Rab8 15.Ng5 Bd7 16.Ngf3-/+; 14.Rb1 Nd7 15.Rc1 Qf6 16.Ba3-/+) 14...Bd7 15.Qc1 Re8 16.c3+=; 13...Rb8 14.Rb1 (14.Qc1 b6 15.Rb1 Be6 16.Ng5+=; 14.Rc1 Be6 15.Ng5 b5 16.Ra1-/+; 14.Qb1 Be6 15.Qc1 Qd6 16.c4+=; 14.h3 Re8 15.Qc1 Be6 16.Ng5-/+) 14...Re8 15.Qc1 Be6 16.c3+=; 13...Bb4 14.Qc1 (14.Rb1 Qc7 15.Ra1 Be6 16.Ng5-/+; 14.Rc1 b6 15.c3 dc3 16.Bc3-/+; 14.Ba3 Bc3 15.Rb1 b6 16.Qc1-/+; 14.Qb1 Ne5 15.Qc1 Nf3 16.Bf3-/+) 14...b6 15.Rb1 Be6 16.c3+=; 13...Bd7 14.Rb1 (14.Qc1 b6 15.c3 dc3 16.Bc3+=; 14.Qb1 Re8 15.Qc1 Rad8 16.Rb1-/+; 14.Rc1 b6 15.Rb1 Qe6 16.Ra1-/+; 14.h3 Re8 15.Qc1 Rad8 16.Rb1-/+) 14...Re8 15.Qc1 Rad8 16.c3+=) 14.Rb1 (14.Rc1 Bc3 15.Rb1 Be6 16.Qc1-/+; 14.Qc1 Be6 15.Ng5 Bd7 16.Ngf3-/+; 14.Ng5 Re8 15.Bc1 Bc3 16.Rb1-/+; 14.Ra3 Bb4 15.Ra1 Be6 16.Qc1-/+) 14...Bb4 15.Qc1 Be6 16.c3 +=.

13.Nb1 A) 13...Qd6 14.Na3 (14.c4 b6 15.Nbd2 Bd7 16.Rb1+=; 14.c3 Bg4 15.Nd4 Be2 16.Ne2+=; 14.Nbd2 Be6 15.Ng5 Bb4 16.f4+=; 14.Qc1 Nh5 15.g3 Bh3 16.Rd1-/+) 14...Be6 15.Ng5 Qd7 16.Ne6+=; B) 13...Bd7 14.c3 dc3 15.Nc3 Rad8 16.Qc1+=; C) 13...b6 14.c3 dc3 15.Nc3 Rd8 16.Qc1+=; D) 13...Rf8 14.c3 (14.Qc1 Rd8 15.c3 b6 16.cd4+=; 14.Nbd2 b6 15.Nc4 Bb4 16.Bc1-/+) 14...dc3 15.Nc3 Rd8 16.Qc1+=; E) 13...Bb4 14.c3 dc3 15.Nc3 Rd8 16.Qc2+=; F) 13...Rd8 14.Qc1 (14.Ng5 Qd7 15.Nd2 Re8 16.Nc4+=; 14.Bc1 b6 15.Bf4 Re8 16.Ng5-/+; 14.Nbd2 b6 15.Nc4 Bb4 16.Bc1-/+; 14.Na3 Bb4 15.Nb5 Qe7 16.Qc1-/+) 14...b6 15.c3 Ba6 16.cd4+=.

13.Nb3 Bb4 14.Bc1 (14.Rc1 b6 15.c3 dc3 16.Bc3-/+; 14.Rb1 Nd7 15.Bc1 Nb6 16.a5+=; 14.Ng5 Qd6 15.Bh5 Rf8 16.f4-/+; 14.a5 Qd6 15.Nfd2 Qd8 16.Ba3-/+) 14...Bc3 15.Nc5 Qe7 16.Ba3 =.

13.Qc1 A) 13...Bd7 14.Nb3 (14.Rb1 Rad8 15.Nc4 b6 16.Na5+=; 14.c3 Nh5 15.cd4 Nf4 16.Re1+=; 14.Re1 b6 15.c3 dc3 16.Bc3+=; 14.Nc4 Bb4 15.a5 Rad8 16.Qf4+=) 14...Bb4 15.Ba3 Ba3 16.Qa3+=; B) 13...Rb8 14.Nc4 (14.Rb1 Bd7 15.Nc4 Bb4 16.c3+=; 14.Rd1 Bd7 15.Nc4 Bb4 16.c3+=; 14.Re1 b6 15.c3 dc3 16.Bc3+=; 14.Nb1 Qd6 15.c3 Nh5 16.e5+=) 14...Bb4 15.c3 dc3 16.Bc3+=.

13.Rc1 A) 13...Bd7 14.Nc4 (14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Re1 b6 15.c3 dc3 16.Bc3+=) 14...Bb4 15.c3 dc3 16.Bc3+=; B) 13...Rb8 14.Nc4 (14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; 14.c3 dc3 15.Bc3 Bc3 16.Rc3+=; 14.c4 Bb4 15.Rb1 b6 16.Ng5+=; 14.Ba1 b6 15.Nc4 Bb4 16.c3+=) 14...Bb4 15.c3 dc3 16.Bc3+=; C) 13...Qa2 14.Nc4 Qa4 15.Ra1 Qb5 16.e5+=; D) 13...a6 14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; E) 13...Bb4 14.Nc4 (14.Re1 b6 15.c3 dc3 16.Bc3+=; 14.c3 dc3 15.Bc3 Bc3 16.Rc3+=; 14.c4 Bd7 15.Rb1 Re7 16.Ng5+=; 14.Nb3 b6 15.c3 dc3 16.Bc3-/+) 14...Bd7 15.c3 dc3 16.Bc3+=; F) 13...b6 14.Nc4 (14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 Bb4 15.Rb1 Bd7 16.Re1-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3+=; 14.Re1 Bd7 15.c3 dc3 16.Bc3+=) 14...Bb4 15.c3 Bc3 16.Bc3+=.

13.Nc4 Bb4 14.Qc1 (14.Bc1 Qe7 15.Rb1 Be6 16.Nce5-/+; 14.Ba3 Bc3 15.Bc5 b6 16.Ba3+=; 14.Rb1 b6 15.Bc1 Ba6 16.Ng5-/+; 14.Rc1 Bd7 15.c3 dc3 16.Bc3+=) 14...Bd7 15.Rb1 Qe7 16.e5 +=.

13.Re1 A) 13...Bd7 14.Qc1 (14.Ng5 Qe7 15.Ngf3 b6 16.Qc1-/+; 14.Rc1 Rad8 15.c3 dc3 16.Bc3+=; 14.Qb1 b6 15.Qc1 Rad8 16.c3-/+; 14.Ra3 Bb4 15.Rb3 Qe7 16.c3-/+) 14...b6 15.c3 dc3 16.Bc3+=; B) 13...Qd7 14.Ra3 (14.h3 Qe7 15.Qc1 Be6 16.Ng5-/+; 14.Rb1 b6 15.Qc1 Ba6 16.c3+=; 14.Rc1 b6 15.c3 dc3 16.Bc3+=; 14.Rf1 b6 15.Nc4 Bb4 16.Bc1-/+) 14...Bb4 15.Ra1 Qd6 16.Qc1+=; C) 13...Rb8 14.Qc1 (14.Rc1 b6 15.c3 dc3 16.Bc3+=; 14.Ra3 Bb4 15.Rb3 Qe7 16.c3-/+; 14.Ng5 Qe7 15.Ngf3 Be6 16.Qc1-/+; 14.Qb1 Nh5 15.Bc1 Nf4 16.Nb3-/+) 14...b6 15.c3 dc3 16.Bc3+=; D) 13...b6 14.Qc1 (14.Rc1 Bd7 15.c3 dc3 16.Bc3+=; 14.Ng5 Qe7 15.Ngf3 Be6 16.Qc1-/+; 14.Qb1 Ng4 15.Qc1 Qf6 16.Rf1-/+; 14.Ra3 Bb4 15.Rb3 Qe7 16.c3-/+) 14...Bd7 15.c3 dc3 16.Bc3+=.

13.Ng5 A) 13...Qd7 14.f4 (14.Nc4 Bb4 15.Bc1 h6 16.Nf3+=; 14.Rc1 b6 15.Ngf3 Bb4 16.Re1+=; 14.Rb1 Bb4 15.f4 Na5 16.Ra1-/+; 14.Re1 b6 15.Ngf3 c4 16.e5-/+) 14...Bb4 15.Nc4 b6 16.e5+=; B) 13...Qe5 14.f4 (14.Ngf3 Qc7 15.Qc1 Be6 16.c3+=) 14...Qe7 15.Nc4 Bb4 16.e5+=.

13.Rb1 A) 13...Bb4 14.Ng5 (14.Qc1 Nh5 15.c3 dc3 16.Bc3-/+; 14.Bc1 Nd7 15.Nb3 Nb6 16.Ra1-/+; 14.Nb3 Nd7 15.Bc1 Nb6 16.Ra1-/+; 14.Rc1 Rad8 15.Re1 b6 16.Ng5-/+) 14...Bd7 15.Nc4 h6 16.Nf3-/+; B) 13...Nd7 14.Ra1 (14.Ba3 Nb6 15.Nb3 Na4 16.Na5-+; 14.Rc1 Rad8 15.Re1 Qf6 16.Ba3-/+; 14.Nb3 Bb4 15.Bc1 Nb6 16.Ra1-/+; 14.Re1 Nb6 15.Ra1 Rac8 16.Qb1-/+) 14...Qf6 15.Nb3 Bb4 16.Bc1-/+.

13.Nb1 A) 13...b6 14.c3 (14.Ng5 Bd7 15.c3 Rad8 16.Bh5-/+; 14.c4 dc3 15.Nc3 a6 16.Rc1-/+; 14.Bc1 Rac8 15.Ng5 Bd7 16.Bf4-/+; 14.Qc1 Rad8 15.c3 dc3 16.Nc3-/+) 14...dc3 15.Nc3 Rad8 16.Qc1-/+; B) 13...Bb4 14.Qc1 (14.c4 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.Ng5 Bd7 15.c3 dc3 16.Nc3-/+; 14.c3 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.Bc1 Rac8 15.Bf4 h6 16.Ne5-/+) 14...b6 15.c3 dc3 16.Nc3+=; C) 13...Bc7 14.c3 (14.c4 dc3 15.Nc3 Rad8 16.Qc1-/+; 14.Re1 Rad8 15.c3 dc3 16.Nc3-/+; 14.Ng5 Bd7 15.Nf3 Rad8 16.Re1-/+) 14...dc3 15.Nc3 Rad8 16.Qc1-/+; D) 13...Rab8 14.c3 (14.Ng5 Bd7 15.c3 b5 16.ab5-/+; 14.c4 dc3 15.Nc3 Rbd8 16.Qc1-/+; 14.Qc1 Rbd8 15.c3 dc3 16.Nc3-/+; 14.Bc1 Rbd8 15.Ng5 Bc8 16.Bh5-/+) 14...dc3 15.Nc3 Rbd8 16.Qc1-/+; E) 13...Rac8 14.c3 (14.c4 dc3 15.Nc3 Rcd8 16.Qc1-/+; 14.Ng5 Bd7 15.c3 Rcd8 16.Bh5-/+; 14.Bc1 h6 15.Bf4 b6 16.Ne5-/+; 14.Qc1 b6 15.Qg5 Rcd8 16.c3-/+) 14...dc3 15.Nc3 Rcd8 16.Qc1-/+; F) 13...Rad8 14.Nbd2 (14.Ng5 Bc8 15.f4 Bc7 16.Bc1-/+; 14.Bc1 Bc7 15.Ng5 Bd7 16.Na3-/+; 14.Qc1 b6 15.c3 dc3 16.Nc3-/+; 14.Ba3 Bc7 15.Ng5 Bd7 16.Bc1-/+) 14...Bc3 15.Rb1 Bb2 16.Rb2-/+.

13.Nb3 Bb4 (13...Bc3 14.Bc3 dc3 15.Qe1 Bb3 16.cb3+=) 14.Qc1 (14.Rc1 Rad8 15.Ng5 Bc8 16.Rb1-/+; 14.Ng5 Bd7 15.Qc1 h6 16.Nf3-/+; 14.Rb1 Nd7 15.Bc1 Nb6 16.Ra1-/+; 14.Bc1 b6 15.Rb1 h6 16.Bf4-/+) 14...b6 15.Ng5 Rad8 16.Ne6 -/+.

13.Qc1 A) 13...Rad8 14.Rb1 (14.Ng5 Bd7 15.Nc4 Bb4 16.Qf4-/+; 14.Re1 b6 15.Ng5 Bd7 16.Ngf3-/+; 14.Nb3 Bb4 15.Ng5 b6 16.Ne6-/+; 14.Rd1 Qd6 15.Nb3 Bb4 16.Qg5-/+) 14...b6 15.Ng5 Bd7 16.Nc4-/+; B) 13...Bb4 14.c4 (14.c3 dc3 15.Bc3 Rad8 16.Bb4-/+; 14.Re1 Rad8 15.Ng5 Bc8 16.Ngf3-/+; 14.Rb1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Ng5 Bd7 15.Ngf3 Rad8 16.Re1-/+) 14...dc3 15.Bc3 Rad8 16.a5-/+; C) 13...Rac8 14.Rb1 (14.Ng5 Bd7 15.Ngf3 Rcd8 16.Nc4-/+; 14.Nb3 Bb4 15.Ng5 Bd7 16.c3-/+; 14.Re1 Rcd8 15.Ng5 Bd7 16.Ngf3-/+; 14.c3 b6 15.c4 Bb4 16.Re1-/+) 14...Qd6 15.Re1 Rcd8 16.c3+=; D) 13...b6 14.Rd1 (14.Re1 Rad8 15.c3 dc3 16.Bc3-/+; 14.Rb1 Rad8 15.Nb3 Bb4 16.Ng5-/+; 14.Ng5 Bd7 15.Nb3 Bb4 16.c3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Qc3-/+) 14...Qd6 15.Ng5 Ng4 16.Bg4-/+; E) 13...h6 14.c3 (14.c4 Nh5 15.Nb3 Bc7 16.Re1-/+; 14.Nb1 Rac8 15.c3 dc3 16.Bc3-/+; 14.Re1 Rad8 15.Rb1 b6 16.c3-/+; 14.Rb1 b6 15.Nb3 Bb4 16.c4-/+) 14...Rac8 15.Re1 Qd6 16.Rb1+=; F) 13...Nh5 14.Nb3 (14.c3 Nf4 15.Re1 Qf6 16.cd4-/+; 14.Re1 Nf4 15.c3 Qf6 16.cd4-/+; 14.g3 Bb4 15.c3 dc3 16.Bc3-/+) 14...Bc7 15.g3 Nf6 16.Ng5-/+.

13.Rc1 A) 13...Rad8 14.Ng5 (14.Rb1 Bc3 15.Re1 Nb4 16.Ba1-/+) 14...Bc8 15.Bh5 Nh5 16.Qh5-/+; B) 13...b6 14.Ng5 (14.Re1 Rad8 15.Ng5 Bb4 16.Ne6-/+; 14.Nb1 Nb4 15.c3 Na2 16.cd4-/+) 14...Bd7 15.Nc4 Bb4 16.f4-/+; C) 13...a6 14.Re1 (14.Ng5 Bd7 15.Ngf3 b5 16.c3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.c4 dc3 15.Bc3 Bc3 16.Rc3-/+; 14.Nb3 Bb4 15.c3 dc3 16.Bc3-/+) 14...b5 15.c3 dc3 16.Bc3-/+; D) 13...Rab8 14.Nb3 (14.Ng5 Bd7 15.Ngf3 b5 16.ab5+=; 14.Re1 b5 15.ab5 Rb5 16.Ba1-/+; 14.Rb1 Nd7 15.Bc1 Bc3 16.Nb3-/+) 14...Bc7 15.c3 dc3 16.Bc3+=; E) 13...Qd6 14.Rb1 (14.Re1 Ng4 15.c3 dc3 16.Bc3-/+; 14.Nb3 Bb4 15.Ng5 Bd7 16.c3-/+; 14.Ng5 Bd7 15.f4 Qe7 16.Nc4+=; 14.Nb1 Rad8 15.c3 Bg4 16.h3-/+) 14...Ng4 15.h3 Nge5 16.Ng5+=; F) 13...Bb4 14.Nb1 (14.Ng5 Bd7 15.Ngf3 Rad8 16.c3-/+; 14.Nb3 Rad8 15.Ng5 Bc8 16.Nf3-/+; 14.Re1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.c3 dc3 15.Bc3 Bc3 16.Rc3-/+) 14...Rad8 15.Ng5 Bd7 16.Bh5-/+.

13.Re1 A) 13...Bb4 14.Qc1 (14.Rc1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Ng5 Bd7 15.Ngf3 Rad8 16.Qc1-/+; 14.Qb1 Ne5 15.Qc1 Nf3 16.Bf3-/+) 14...Rad8 15.Rb1 b6 16.c3-/+; B) 13...b6 14.Ng5 (14.Rb1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Rc1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Qc1 Rad8 15.Ng5 Bd7 16.Ngf3-/+; 14.Bc1 Bc3 15.Rb1 Ba2 16.Rb5-+) 14...Bd7 15.Ngf3 Bb4 16.Rc1-/+; C) 13...Rab8 14.Rc1 (14.Ng5 Bd7 15.Ngf3 Rbd8 16.Rb1-/+; 14.Qc1 Rbd8 15.Ng5 Bd7 16.Ngf3-/+; 14.Bc1 Bc3 15.Ra3 Bb4 16.Ra1-/+; 14.Qb1 Ng4 15.Bc1 b6 16.h3-/+) 14...b5 15.ab5 Rb5 16.Ba1-/+; D) 13...Nd7 14.Kh1 (14.Rc1 Qf6 15.Ba3 Nb6 16.c3-+; 14.h3 Qf6 15.Bc1 Bc3 16.Ra3-+; 14.Qb1 Qf6 15.Qd1 Rab8 16.Rf1-/+; 14.Qc1 Qf6 15.Rb1 Nb6 16.Ba3-/+) 14...Bb4 15.Kg1 Nde5 16.Ne5-/+.

13.Ng5 Bd7 (13...Bb4 14.Ne6 Qe6 15.Bc1 Re7 16.Nc4+=) 14.Ngf3 (14.Nc4 Bb4 15.f4 b6 16.e5+=; 14.f4 Bc7 15.f5 Ne5 16.Nh3-/+; 14.Bh5 Rf8 15.Be2 Rae8 16.Ngf3-/+; 14.Rb1 Bb4 15.Nc4 Na5 16.Na5-/+) 14...h6 (14...b6 15.Re1 Rad8 16.Qc1-/+) 15.Nc4 Bc7 (15...Bb4 16.Rc1-/+ (16.Rb1-/+)) 16.Nfd2 (16.c3 dc3 17.Bc3 Be6+=) 16...Nb4 17.f4 Nfd5 18.g3 Bh3 19.Re1 Bf4 (19...Nf6 20.c3 dc3 21.Bc3+=) 20.ed5 (20.gf4!? Nf4 21.Nf3=) 20...Be3-/+ 21.Kh1 Bf2 22.Bf1 Be1 (22...Qe1 23.Qf3 Re3 24.Ne3 Qe3 25.Bh3 Qd2 26.Rf1+=) 23.Bh3 Bd2 24.Qd2 Nd5 25.Bg4 (25.Bg2 Rad8+=) 25...Nb6 (25...Ne3!? 26.Ne3 Qe3-/+ (worse is 26...de3 27.Qe2=)) 26.Nb6+= ab6 27.Bh5 (27.c3 b5 28.cd4 Ra4+=) 27...Qd7 (27...b5 28.Rf1 (28.ab5?? Ra1 29.Ba1 Qe1 30.Qe1 Re1 31.Kg2 Ra1-+) 28...ba4 29.Bf7 Qf7 30.Rf7 Kf7 31.c3=) 28.Rf1 Re7 29.Kg1 (29.c3 Ra4 (29...Qa4?! 30.cd4 Qb3 31.Bd1=) 30.cd4 cd4+=) 29...Ra4-/+ 30.c3 dc3 (30...Ra2 31.cd4 Qd4 32.Rf2-/+) 31.Qc3 Rd4 (31...f6 32.Bd1 Ra8 33.Qb3 Kh8 34.Qb6 Qd3 35.Qc5 Qe3 36.Qe3 Re3 37.Kf2+=) 32.Rf4+= b5 (32...Qd8 33.Bg4 Re3 34.Rd4 cd4 35.Qc4+=) 33.Bg4= (worse is 33.Rd4 Qd4 34.Qd4 cd4+=) 33...Qd6 34.Rd4 cd4 35.Qd4 Qd4 36.Bd4 Rc7 37.Kf1 Rc2 38.h4 b4 39.Ke1 f6 (better is 39...Rg2!? 40.Bf2 b3=) 40.Bd1 Rh2 41.Bb3 Kh7 42.Bd5 Kg6 43.Bc5 (43.Bb7? b3-+) ½–½. Benassi,Aspasio (2140) – Sherwood,Russell (2200), RM–2012–0-00106, 2012.

11.a4 Bc7 12.Re1 Bg4 13.c4 d4 14.ed4 cd4 15.h3 (worse is 15.Bd4 Bf3 16.Nf3 Nd4 17.Nd4 Ba5-/+) 15...Bf3 16.Bf3 Qd6 17.g3 Re1 18.Qe1 Re8 19.Ne4 Ne4 20.Be4 (worse is 20.de4 Ne5 21.Be2 d3 22.Be5 Re5-/+ (22...Qe5?! 23.Bd3 Qd4 24.Rd1=)) 20...Qd7 21.Kg2 Ba5 22.Qd1 g6 23.Qb3 Kg7 24.Qb5 Qc7 (better is 24...Re5 25.c5 Bd2+=) 25.Bd4!+– f6 26.Be3 Re7 27.Rb1 Ne5? 28.Bf4 Bb6 29.a5! Bc5 30.Bb7 Qd8?? 31.Qc5 Nd3 32.Qd6 Nf4 33.Qf4 Qd3 34.Qc1 Re2 35.Bf3 Rc2 36.Rb7 Kf8 37.Qe1 (37.Qe1 Qf3 38.Kf3 Rf2 39.Kf2 h6 40.Qe7 Kg8 41.Qd8; 37.Qh6 Ke8 38.Bc6 Qd7 39.Bd7 Ke7 40.Bf5 Kd6 41.Qf8 Ke5 42.Qc5) 1–0. Lorenc,Tomas (2150) – Cizek,Martin (1975), CZE–chT2b, 2007.

11.Nb3 Bb6 12.Ba3 d4 13.Nbd4 Nd4 14.Nd4 Nd5 15.e4 Nf4 16.Bg4 Qg5 17.Nf5 Bf5 18.ef5 h5 19.Bf3+= c4 20.d4 Qf5 21.c3 Qd3 22.Qd3 cd3 23.Bb7 Rab8 24.Bc6 Ne2 25.Kh1 Nc3 26.Be8= Re8 27.Bb2 Bd4 28.Rae1 Re1 29.Re1 d2 30.Rf1 f5 31.Bc3 Bc3 32.Kg1 h4 33.Rb1 f4 34.h3 Kf7 35.Kf1 Ke6 36.Ke2 Bd4 37.Kd2 Bf2 38.Rb5 Kf6 39.Ke2 Be3 40.Kf3 g6 41.Kg4+– Ke7 42.Rb7 Kf6 43.Kh4 Kf5 44.Rb5 Kf6 45.Kg4 Kf7 46.Rb3 Kf6 47.Ra3 Kf7 48.Kg5 Bc5 49.Ra6 (49.Ra6 Be7 50.Kf4+–) 1–0. Bonetti,Shane (1865) – Rebaudo,Nino (1910), CL–12 ETC, 2005.

11.Nb3 Bc7 12.Bf6 Qf6 13.Nc5 d4 (13...b6 14.Nb3+=) 14.ed4= Nd4 15.Nd4 Qd4 16.Ne4 Bd7 (16...f5 17.Ng3=) 17.Bf3 Rad8 (17...f5 18.Ng3 Rab8 19.Rc1=) 18.Rb1 Qe5 19.Ng3 b5 20.Qd2 g6 21.d4 Qd6 22.c3 h5 23.Qg5 Be6 24.Rfd1 (worse is 24.Qb5 h4-/+) 24...a6 25.Rb2 Bc4 26.Bh5 Qe6 27.Be2 Bg3 (worse is 27...Ba2 28.Nh5 Rd6 29.Rd3+/-) 28.Bc4 Bh2 29.Kh2 Qc4 30.Qg3 Rd5 31.Kg1 Rf5 32.f4 (32.Rbd2 Re4=) 32...Re4 33.Rf1 Qc7 Pawn f4, live or die! 34.Rbf2 Qe7 35.Rc1 a5 36.Rff1 Qd6 37.Rcd1 Ref4 38.Rf2 Qf6 39.Rdf1 Rf2 40.Rf2 Rf2 41.Qf2 Qf2 42.Kf2 Kf8 43.Ke3 ½–½. chuckhar (2320) – bishop_ben (2145), gameknot.com, 2014.

11.c4 d4 12.e4 Bc7 13.Re1 Ng4 14.Nf1 (14.h3 Nf6=+) 14...Qf6 15.Ng3 Nce5 16.Rf1? (better 16.Qb3=+) 16...Qh6-+ 17.h3 Nf3 18.Bf3 Nf2! 19.Kf2?? (19.Rf2 Bg3 Remove defender; 19.Kf2 Qe3 Mate attack) 19…Qe3 0-1. Lance5500 (2785) - lichess AI level 8, lichess.org, 2016.

11.c4 d4=+ 12.e4 Bc7 13.Ne1 Nd7 14.f4 Rb8 15.g3 b5 16.Bf3 bc4 17.Nc4 Nb6 18.Nb6 Rb6 19.Ba3 Nb4 20.Rf2 f6 21.Rc1 Bd6 22.Bg4 Bb7 23.Qd2 a5 24.Bd1 Bd5 25.Ba4 Bc6 26.Bb3 Kh8 27.Nf3 Qd7 28.Bc4 Bb5 29.Bb4 ab4 30.Bb3 Bf8 31.Qc2 Rbb8 32.Nd2 Ra8 33.Nc4 Qa7 34.g4 Ba4 35.g5 Re6 36.gf6 Rf6 37.f5 g6 38.Rcf1 Bh6 39.fg6 Rg6 40.Kh1 Bb3 41.ab3 Be3 42.Ne5 Bf2= 43.Ng6 hg6 44.Qf2 Qe7 45.Qg3 Kg7 46.h4 Rh8 47.Rf4 Rh5 48.Rg4 Qf6 49.Kg2 Qe6 50.Qc7 Qf7 51.Qf7 Kf7 52.Kg3 Kg7 53.Rf4 g5 54.Rg4+= Kf6 55.Rg5 Rg5 56.hg5 Kg5 57.Kf3 Kf6 58.Kf4 Ke6= 59.e5 Ke7 60.Kf3 Kf7 ½–½. Rogers,Ian – Stone,Raymond, Hertogenbosch NED, 1999.

11.Re1 Qd6 12.Rb1 Bf5 13.Nh4 Bd7 14.Nhf3 Rab8 15.a4 Ng4 16.c3 Bc7 17.Nf1 Qf6 18.h3 Nge5 19.Ne5 Ne5 20.f4 Ng6 21.Bf3 Qd6 22.Ba3 Ba5 23.Qb3 Bc6 24.g3 Nf8 25.d4 Nd7 26.dc5 Qe6 27.Bg2 b6 28.cb6 Bb6 29.Kh2 h5 30.Qc2 Nf6 31.a5 Ba5 32.Bc5 Bb6 33.Bd4 Bd4 34.Rb8 Rb8 35.cd4 a5 36.Nd2 a4 37.Nf3 Be8 38.Ne5 Rb3 39.Re2 Qa6 40.g4 Qb5 41.Re1 a3 42.g5 Ne4 0–1. Grott,Peter – Krause,Peter, DESC, 2006.

10.c3 Bc3 11.Nc3 dc3 12.Bc3 Nd5 13.Bb2 Be6 14.Rc1 Qb6 15.Qc2 Rac8 16.a3 f6+=.

10.e4 Ba5 11.a4 Bc7 (11...Be6 12.c3 (12.c4-/+ dc3 13.Nc3 Qe7 14.Ng5 Rad8 15.Rc1 Bc8 16.Re1 b6-/+) 12...Qb6 13.Qc1 Rac8 14.Nbd2 dc3 15.Bc3 Nd4 16.Re1 Qa6=+; 11...Qd6 12.c3 Bg4 13.Nd4 Be2 14.Ne2 Rad8 15.f3 Bc7 16.g3 Qd3-/+; 11...Qb6 12.Bc1 Be6 13.Bf4 Qd8 14.Ng5 Bc8 15.Na3 Qe7 16.Nc4 Bc7=+; 11...Bb6 12.c3 Bg4 13.cd4 Bf3 14.Bf3 Nd4 15.Na3 Bc7 16.Rb1 Rb8=+) 12.Nbd2 (12.Na3 Be6=+ 13.c3 dc3 14.Bc3 Ba5 15.Bb2 b6 16.Ng5 Nd4=+; 12.c3 dc3 13.Nc3 Bf4 14.Re1 b6 15.Rb1 Be6 16.Nb5 a6=+) 12...Rb8 (12...h6 13.c3 dc3 14.Bc3=+ Ba5 15.Ba5 Na5 16.e5 Nd7=; 12...Be6 13.c3 dc3 14.Bc3 Ba5 15.Ba5 Qa5 16.Rc1 b6=+) 13.Ba3 (13.Re1 Be6=+ (13...Ba5 14.Qc1 c4 15.Ba3 Bc3 16.Nc4 b6=+) 14.c3 dc3 15.Bc3 Ba5 16.Qc2 Bc3=+; 13.c3 dc3 14.Bc3 Ba5 15.Ba5 Na5 16.e5 Nd7=+) 13...b6 (13...Qd6 14.Bb2 Ng4 15.Nc4 Qf6 16.h3 Nh6-/+) 14.Re1 (14.Bb2 Be6=+ 15.c3 dc3 16.Bc3 Nh5=+) 14...a6 (14...Qd7 15.Bb2=+ Bf4 16.c3 dc3=+; 14...Be6 15.Bb2 Ng4 16.h3 Nge5-/+) 15.Bf1 (15.Bb2 Be6 (15...h6=+ 16.c3 dc3=+) 16.c3 dc3=+) 15...h6 (15...Be6 16.Be2 Bf4-/+) 16.g3 (16.Bb2 Be6-/+) 16...Be6 (16...Bg4 17.Bg2=+) 17.Bg2 Qd7 18.Nb3 a5 (18...Bg4 19.Qd2=+) 19.Qd2 (19.Bb2 Bg4=+) 19...Rbd8 (19...Nb4 20.Bb2=+) 20.Bb2 Bh3 21.Bh1 (21.Qe2 Nb4=+) 21...Ng4 22.Nh4 (22.Bg2 Bg2 23.Kg2 f5-/+) 22...Nge5 (22...Nb4=+) 23.f4 (better 23.Nf5!?=+) 23...c4-/+ 24.fe5 cb3 (24...c3 25.Bc3 dc3 26.Qe3-/+ (26.Qc3? Be5 27.Qd2 Nd4-+)) 25.cb3 Be6 26.Qd1 (26.Nf5 Rc8-/+) 26...Be5 27.Nf3 (27.Rc1 Rc8-/+) 27...Bf6 28.Rc1 Bg4 29.Qc2 Rc8 30.Qb1 h5 (30...Qe6 31.e5 Ne5 32.Nd4-/+) 31.Bg2 (31.Rc2 Ne5 32.Rc8 Rc8 (worse 32...Qc8 33.Rf1-/+) 33.Nd4 h4-/+) 31...h4 (31...Bf3!? 32.Bf3 h4-/+) 32.Nh4=+ Bh4 33.gh4 Bh3 (33...Ne5 34.Rc8 Rc8 35.Rf1-/+) 34.Qc2 (34.Rc2 Ne5 35.Rf1 Rc2 36.Qc2 Rd8-/+) 34...Ne5-/+ 35.Qe2 Rcd8 (35...Be6 36.h5 Bg4-/+) 36.Kh1 (better 36.Rf1!?=+) 36...Bg4-+ 37.Qc2 Qe7 38.Rf1 (38.h5 Qh4 39.Rf1 Qh5-+) 38...Qh4 39.Qc7? (better 39.Ba3-/+) 39...Rd7-+ 40.Qb6 Be2 (40...Nd3!? 41.Bd4 Nc1 42.Bf2-+) 41.Bd4-/+ Bf1 (41...Bd3?! 42.Rf5 Ng4 43.Bg1=) 42.Rf1 Ng4 (42...Nd3 43.Qb5 Qe7 44.Bc3=+ (worse 44.Qd3 Qb4-/+)) 43.Bg1=+ Rd3 (43...Red8 44.Qa5 Rd3 45.Qc7=) 44.Qa5 Nf6 (44...Re7 45.Qa8 Kh7 46.Qf8=) 45.Qb5 (45.Qf5 Ne4 (45...Rb3? 46.e5+–) 46.Qf7 Kh7+=) 45...Red8=+ 46.Bb6 (46.Qf5!? Rd1 47.e5 Rf1 48.Qf1=+) 46...Ne4-/+ 47.Kg1 (47.Bc7 Rd1 48.Qa6 Qh5-+) 47...Nc3 48.Qe5 (48.Qc4 Ne2 49.Kh1 Ng3 50.Kg1 Qc4 51.bc4 Nf1 52.Bf1 Rd2 53.Bd8 Rd8-/+) 48...R8d7 (48...R8d6 49.Bf2 Qg4 50.Kh1-+) 49.a5 (49.Kh1!?=+) 49...Re7-/+ 50.Qb8 Kh7 51.Bf2 (51.Qc8 Re5 52.Kh1 Rh5-+) 51...Qh6 (51...Qg4!? 52.Kh1 Ne4-/+) 52.Qb6 (52.Qc8 Qg6 53.a6 Ne2 54.Kh1-/+) 52...Re6-/+ 53.Qc5 (53.Qb4!?-/+) 53...Rg6 (53...Ne2 54.Kh1 Qh2 55.Kh2 Rh6 56.Bh4 Rh4 57.Bh3 Rdh3 58.Kg2 Rh2 59.Kf3 Rf4 60.Ke3 Rf1 61.a6-+) 54.Qf5-/+ Rh3 55.Bg3 Ne2 56.Kf2 Rh5 (56...Ng3?! 57.Qh3 Nf1 58.Qh6 Rh6 59.Kf1=; 56...Rhg3 57.hg3 Ng3 58.Qh3 Nf1 59.Qh6 Rh6 60.Bf1 Rh2 61.Bg2=) 57.Qd3 Ng3 (better 57...Nf4!? 58.Qd2 Rf6 59.Qc2 g6-+) 58.hg3= Qg5 59.Be4? (better 59.b4=+) 59...f5-+ 60.Bg2 Qf6 (60...Qe7 61.Rc1 Qa7 62.Kf1 Qa5 63.Rc2-+) 61.Kg1 (61.Rh1 Rh1 62.Bh1 Qe5-+) 61...Rhg5 (better 61...Rg4 62.Qd1 Rhg5-/+) 62.Rf3? (better 62.Kf2!? Qb2 63.Qe2 Qb3 64.Rh1 Rh6 65.Rh6 Kh6 66.Qe5 Qc2 67.Kf1 Qd3 68.Kf2 Qd2 69.Kf3-+) 62...Qa1-+ 63.Kf2 Qa5 64.Qc4? (better 64.Bh3 Qc5 65.Kf1-+) 64...Qd2 (64...Qa7 65.Kf1 Ra6 66.Rc3-+) 65.Kf1 (65.Qe2 Qe2 66.Ke2 Rg3 67.Rg3 Rg3-+) 65...Rd6 (better 65...Qd1 66.Kf2 Rd6-+) 66.Qh4 (66.Qc3-+) 66...Kg6 67.Kg1 Qd1 (67...Rd4 68.Qh2 Rh5 69.Bh3 Qh2 70.Kh2 Rd2 71.Kg1 Rh3 72.b4-+) 68.Rf1 Qb3 69.Bf3 Qe3 70.Kh1 Qd3 (70...Rd4 71.Qh8 Rg3 72.Bh5 Kg5 73.Qg7 Kh4 74.Qf6 Rg5 75.Bf3-+) 71.Kg2 Qd4 (better 71...Rd4 72.Qh3-+) 72.Qh8 (72.Qd4 Rd4 73.Kh3-+) 72...Qe5 73.Qh3 Rd2 74.Kh1 (74.Rf2 Qe1 75.Rd2 Qd2 76.Kf1 Qe3-+) 74...Qg3 75.Qg3 Rg3 76.Bh5 (76.Bb7-+) 76...Kg5 77.Bg4 (77.Rd1 Rd1 78.Bd1 f4 79.Bc2 Kh4 80.Bf5 f3 81.Bb1 f2 82.Bd3 Rg1 83.Kh2 g5 84.Be2 g4 85.Bg4 f1Q 86.Bf3 Qf2 87.Bg2 Qg2) 77...f4 78.Be6 Re3 79.Bc8 Red3 (better 79...Rc3 80.Bb7 Rg3-+) 80.Ba6 (80.Rg1 Kf6 81.Rf1-+) 80...Rh3 81.Kg1 Ra3 (81...Rg3 82.Kh1 Rd6 83.Rf2 Ra6 84.Rd2 Kg4 85.Re2 Ra1 86.Re1 Re1 87.Kh2 Rd3 88.Kg2 Rd2) 82.Bb7-+ Rda2 (82...Rg3 83.Kh1-+) 83.Bf3 (83.Kh1-+) 83...Ra1 84.Bd1 (84.Ra1 Ra1 85.Kf2 Ra2 86.Ke1 Ra3-+) 84...Rd3 (84...Rg3 85.Kf2 Ra2 86.Be2 Re3 87.Rg1 Kf5-+) 85.Kh2 (85.Be2 Rf1 86.Kf1-+) 85...Rad1 86.Rf2 R1d2 87.Rd2 Rd2 88.Kh3 Rd3 (88...Rd3 89.Kh2 Kg4 90.Kg2 Rd2 91.Kf1 Kf3 92.Kg1 Rd1 93.Kh2 g5 94.Kh3 Rh1; 88...Kf5 89.Kh4 Rh2) 0–1. Enxtuul,Altanolzii (1975) – Gaponenko,Inna (2470), 38th Olympiad w, Dresden GER (3), 2008.

10.e4 Ba5 11.c3 Be6 (11...dc3 12.Nc3 Be6 13.Rc1 b6 14.Ng5 a6 15.Ne6 Re6 16.f4 Rc8=+; 11...Qd6 12.cd4 cd4 13.Na3 Be6 14.Qa4 Bb6 15.Rfc1 Qd7 16.Ng5 Bf5=; 11...Rb8 12.cd4 cd4 13.Na3 Be6 14.Qa4 Bb6 15.Nb5 Qd7 16.Ba3 Bg4=; 11...a6 12.cd4 cd4 13.Nbd2 Be6 14.Nb3 Bb6 15.Ng5 Bc8 16.Rc1 h6=) 12.cd4 Qb6 13.Bc1 Nd4 14.Nd4 cd4 15.Bg5 Nd7 16.Bf4 Rac8=+.

10.e4 Ba5 11.Nbd2 Be6 (11...h6=+ 12.Nb3 Bb6 13.Rb1 Be6 14.c3 Qd6 15.Qc2 Rac8 16.Ba3 dc3=; 11...Qe7 12.Nb3 Bc7 13.c3 dc3 14.Bc3 Bg4 15.Re1 b6 16.Ng5 Be2=+; 11...Bc3 12.Bc3 dc3 13.Nb1 Qa5 14.Re1 Nd4 15.Qc1 Be6 16.Qa3 Qa3-/+; 11...Bc7 12.c3 dc3 13.Bc3 Bf4 14.Re1 b6 15.Qc2 Ng4 16.Rad1 Nge5=+; 11...Qd7 12.Nb3 Bb6 13.c3 Qd6 14.Rc1 Be6 15.Ba3 dc3 16.Rc3 Nd7=+) 12.Nb3 Bb6 13.c3 Qd6 14.cd4 cd4 15.Ng5 Bd7 16.f4 h6-/+.

10.e4 Qb6 A) 11.Qc1 Be6 (11...Ba5 12.Nbd2 Bc3 13.Bc3 dc3 14.Nc4 Qc7 15.Re1 Be6 16.Ne3 b5=+; 11...Bg4 12.c3 dc3 13.Nc3 Bf3 14.Bf3 Nd4 15.Bd1 Bc3 16.Bc3 Qa6=+) 12.a3 Ba5 13.c3 Rac8 14.Nbd2 dc3 15.Bc3 Nd4 16.Re1 Re7=+; B) 11.a3 Ba5 12.Bc1 Be6 13.Bg5 Nd7 14.Bf4 h6 15.Nbd2 Bc3 16.Rb1 Qa6-/+; C) 11.c3 Bc3 (11...Ba5 12.Qb3 Qb3 13.ab3 dc3 14.Nc3 Be6 15.Ne5 Ne5 16.Ra5 b6=) 12.Bc3 dc3 13.Nc3 Qb4 14.Qc2 Nd4 15.Nd4 cd4 16.Nd1 Be6=+; D) 11.c4 Qc7 (11...Qd8 12.a3 Ba5 13.Nbd2 Qe7 14.Rb1 Bd7 15.Bc1 Rab8 16.Nb3 Bc3=+; 11...Re6 12.a3 Ba5 13.Qc2 Bd7 14.Nbd2 Qc7 15.Rab1 Rae8 16.Nb3 Bb6=+; 11...Ba5 12.Bc1 Qc7 13.a3 Qd6 14.Nbd2 Bc3 15.Rb1 Rb8 16.Re1 Be6=+; 11...Be6 12.a3 Ba5 13.Bc1 Qc7 14.Qb3 h6 15.Nbd2 Rab8 16.Rb1 Bc3=+) 12.a3 Ba5 13.Nbd2 Qe7 14.Rb1 Be6 15.Ng5 Bd7 16.Ngf3 Rab8=+.

10.e4 c4 A) 11.c3 A1) 11...Ba5 12.dc4 dc3 (12...Ne4 13.cd4=+ Qb6 14.Qc1 Ng3 15.fg3 Re2 16.Bc3 Bc3+=) 13.Nc3 Bc3 14.Qd8 Nd8 15.Bc3 Ne4 16.Bb2 Nc6=; A2) 11...cd3 12.Bd3 dc3 13.Nc3 Bc3 14.Bc3 Ne4 15.Be4 Re4 16.Qc2 Bf5=+; A3) 11...dc3 12.Bc3 cd3 13.Bd3 Bg4 14.a3 Bc3 15.Nc3 Qa5 16.Qb3 Bf3-+; B) 11.dc4 Ne4 (11...Re4 12.a3 Ba5 13.Bd3 Re7 14.c3 dc3 15.Nc3 Rd7 16.Ne1 Bc7=+) 12.Nd4 Nd4 13.Bd4 Bf5 14.c3 Bd6 15.Re1 Qc7 16.g3 Bc5=+.

10.e4 Qd6 11.c3 (11.a3 Ba5 12.c3 Bg4 13.Nd4 Be2 14.Ne2 Rad8 15.f3 Bc7 16.h3 Qh2-/+) 11...dc3 (11...Ba5 12.cd4 cd4 13.Na3 Be6 14.Qa4 Bb6 15.Rfc1 Qd7 16.Ng5 Bf5=) 12.Nc3 a6 13.Na4 Nd7 14.Nc3 Ba5 15.Nd5 Nb6 16.Ne3 Be6=+.

10.e4 Be6 A) 11.c3 Ba5 (11...dc3 12.Nc3 Qe7 13.a3 Ba5 14.Qc2 Rac8 15.e5 Nd5 16.Nb5 Nd4=+) 12.cd4 Qb6 13.Bc1 Nd4 14.Nd4 cd4 15.Bg5 Nd7 16.Bf4 Rac8=+; B) 11.Ng5 Bd7 (11...Qe7 12.Ne6 Qe6 13.a3 Ba5 14.Nd2 Bc3 15.Bc3 dc3 16.Nb1 Qe5=+; 11...Qd7 12.a3 Ba5 13.Nd2 Rad8 14.Nb3 Bb6 15.Bc1 Qe7 16.Ne6 Qe6=+) 12.c3 dc3 13.Nc3 Nd4 14.Nf3 Qa5 15.Rc1 Rad8 16.Nd2 Be6-/+; C) 11.a3 Ba5 12.c3 Qb6 13.Qc2 Bb3 14.Qc1 dc3 15.Bc3 Bc3 16.Nc3 Qc7=+.

10.e4 Bg4 11.h3 Bf3 12.Bf3 Nd7 13.Nd2 Bd2 14.Qd2 Nde5 15.Be2 b5 16.Rab1 b4 (16...c4 17.Bc1 c3 18.Qd1=+) 17.f4= Nd7 18.Bf3 Nb6 19.Rbe1 Na4 20.Bc1 (20.Ba1 Rb8=+) 20...Nc3 21.a3 (21.e5 Qc7=+) 21...a5 (21...Nb1!? 22.Qf2 ba3-/+) 22.e5 Ra6 23.Qf2 Na7 (23...a4!?=+) 24.f5= Nab5 25.ab4 cb4 26.Qg3 f6 (26...a4 27.Bg5 Qc7 28.Bf6+=) 27.Bh6 (better 27.ef6 Rf6 28.Bg5+/-) 27...Ra7? (27...Qd7 28.Bh5 Re5 29.Re5 fe5+-) 28.ef6+- Re1 29.Re1 Qf6 (29...Nd6 30.Bg7 Nf5+-) 30.Re8 Kf7 (30...Qf8 31.Rf8 Kf8 32.Qb8 Ke7 33.Qe5 Kd8 34.Bg5 Kc8 35.Qe8 Kc7 36.Qd8) 31.Bh5 g6 32.fg6 (32.Rf8 Ke7 33.Qe1 Kd6 34.Rf6 Kc5 35.Qe6 Ne2 36.Be2 Nd6 37.Qd6 Kb5 38.Qc6) 32...hg6 (32...Ke8 33.g7 Kd7+-) 33.Rf8 (33.Bg6 Qg6 34.Rf8 Ke7 35.Qg6 Nd6 36.Qf6 Kd7 37.Rd8 Kc6 38.Rd6 Kb5 39.Rb6 Ka4 40.Qe6 Ne2 41.Kh2 Nc1 42.Bc1 b3 43.cb3) 33...Ke7 34.Rf6 Kf6 35.Qg6 Ke7 36.Bg5 Kd7 37.Bg4 Kc7 38.Bf4 Kb7 (38...Kd8 39.Qg8 Ke7 40.Qg7 Ke8 41.Bh5 Kd8 42.Qf8 Kd7 43.Qe8) 39.Bf3 Kc8 (39...Nd5 40.Bd5 Kc8 41.Qe8) 40.Qe8 1-0. bjoernsen (2340) - ACFKC (2390), Rated Blitz game, lichess.org, 2016.

11.Bc3 Bc3 (11...Bg4 12.a3 Bc3 13.Nc3 Qd7 14.Rb1 Rad8 15.Qc2 b6 16.Rfd1 Bf5=; 11...Be6 12.a3 Bc3 13.Nc3 Qd6 14.Qc2 Rad8 15.Rfd1 Bf5 16.Qb2 Qe7=; 11...Bf5 12.Bb4 Nb4 13.a3 Nbd5 14.Re1 Be6 15.d4 Rc8 16.dc5 Rc5=+; 11...Qe7 12.d4 Be6 13.Bb5 cd4 14.Nd4 Bd5 15.Bb4 Qb4 16.a3 Qc5=+) 12.Nc3 Be6 13.Rb1 Qe7 14.Ng5 Nd5 15.Nge4 Rad8 16.Nd5 Bd5=+.

11.Nc3 Rb8 12.Qc2 Bf5 13.Rac1 b5 14.Rfd1 Qe7 15.Nb1 Nd7 16.a3 Ba5=.

11.Nc3 Bc3 12.Bc3 Nd5 13.Rc1 Nc3 14.Rc3 Qe7 15.Qc1 b6 16.d4 Nb4 17.Qa3 (17.dc5? Na2 18.Qb2 Nc3 19.Qc3 bc5-+) 17...Be6 18.dc5 bc5 19.Bc4 Bc4 20.Rc4 Rad8 21.h3 Rd7 22.Rfc1 Red8 (22...Nd3 23.Rd1 Red8 24.Ne1=) 23.Qa5 Exerts pressure on the isolated pawn (23.Ne1 Rd2 24.Rc5 Na2+=) 23...Nd3=+ 24.Rb1 Rd5 25.g3 (better 25.Qa4=+) 25...Qf6-+ 26.Kg2 Rf5 27.Rf4 Nf4 (27...Rf4?! 28.ef4 Qd6 29.Qa7=) 28.ef4 Rfd5 (28...Rh5 29.Qc7 Rhd5 30.Rb7-/+) 29.Qa7-/+ c4 (29...Qf5 30.Rb8-/+) 30.Rb7 (30.Qc7 Qf5 31.Rb8 Qd7 32.Rd8 Qd8 33.Qc4 Qa8=+) 30...c3 (30...Qf5!?-+) 31.Rc7-/+ Rd2 32.Ne5 (32.Nd2 cd2 Passed pawn) 32...c2 33.Rf7 (better 33.Nf3 R2d7 34.Qc5-/+) 33...Qh6?? (better 33...R2d7! 34.Rd7 c1Q-+) 34.Rc7+= Qf6 35.Rf7?? (better 35.Qb7 h6 36.Rc2 Rc2 37.Qb3 Kh7 38.Qc2 Kh8 39.Qe4+/-) 35...R2d7!-+ 36.Rd7 (36.Qd7 Rd7 Combination; 36.Nd7 Qf7 Deflection; 36.Rd7 c1Q Combination) 36...c1Q 37.Rd8? (37.Rf7 Qh6 38.Rd7 Qhc6 39.Nc6 Qc6 40.Kh2 Qd7 41.Qa6-+) 37...Qd8 38.Qf7 Kh8 39.Qb7 Qe8 40.h4 (40.Qd5 h6-+) 40...Qa3 41.Kh2 (41.Qb3 Qea8 42.Kh3 g6 (worse 42...Qa2 43.Nf7 Kg8 44.Nh6 Kf8 45.Qb4 Ke8 46.Qb5 Kd8 47.Qg5 Kc8 48.Qc5 Kd7 49.Qd4 Kc6 50.Ng4-+) 43.Qa3 Qa3-+) 41…Qa2 0-1. Mely (2225) - La Vache (2365), ChessWorld.net, 2016.

11.Nc3 Be6 12.Qc2 Ba5 13.a3 b6 14.Ng5 Bf5 15.Rad1 Qe7 16.Bf3 Rac8=.

11.Nc3 Qe7 12.Qc2 Bf5 13.a3 c4 14.ab4 cd3 15.Bd3 Nb4 16.Bf5 Nc2=.

11.Nc3 Bf5= 12.a3 Ba5 13.Qc2 Rc8 14.Na4 b6 15.Rfc1 Qd6 16.e4 Bg4=+.

11.Nc3 Bf5 12.Rc1 Rc8 13.a3 Ba5 14.Na4 b6 15.d4 cd4 16.Nd4 Nd4 17.Qd4 Qd4 18.Bd4 Nd5 19.Bb5 Re7 (19...Red8 20.Ba6 Rc7 21.Rc4=) 20.Rc8+= Bc8 21.Rc1 Bb7 22.Kf1 Rd7 1-0. Mely (2225) - Damen (2370), ChessWorld.net, 2016.

11.Nc3 Bg4 12.Qc2 Qe7 13.a3 Ba5 14.Na4 b6 15.Rfc1 Rad8 16.Nc3 Bf5=.

10.a3 Ba5 11.d4 c4 12.Nc3 Bc3 13.Bc3 b5 14.Ne5 Bd7 15.Bf3 Rad8 16.Nc6 Bc6 17.Bb4 Qd7 18.Re1 Ne4 19.Rb1 Nd6 20.Qd2 Nb7 21.Rbd1 Qc7 22.Bc3 f5 23.Re2 Rd7 24.Rde1 Nd6 25.Ba5 Qb8 26.Bb4 Ne4 27.Qd1 Re6 28.g3 g5 29.Bg2 h5 30.f3 Nf6 31.c3 Qe8 32.Qc2 Qg6 33.Bh3 g4 34.Bg2 gf3 35.Bf3 Ne4 36.Kh1 Rg7 37.Rg2 Qg5 38.Rgg1 Reg6 39.Qe2 Bd7 40.Ref1 h4 41.Be4-+ (41.Qe1!?=) 41...fe4 (41...de4?! 42.Bc5=) 42.Qe1-+ (42.Qf2!?=+) 42...Bg4 (42...hg3?! 43.Rg3 Bg4 44.Bf8=) 43.Rf8 Kh7 44.Kg2 h3 45.Kf1 Rf6 46.Rf6 Qf6 47.Qf2 Qf2 48.Kf2 Rf7 49.Ke1 Rf3 50.Ke2 Kg6 51.Ba5 Kf5 52.Rf1 Ke6 53.Rf3 ef3 54.Ke1 Kf5 55.Bb4 Ke4 56.Kf2 Kd3 57.Ba5 Kc2 58.Bb4 Kb3 59.Ke1 Ka4 60.Bd6 a5 61.Bc7 b4 (62.ab4 ab4 63.cb4 c3-+) 0–1. Gerold – Supp, corr 1997.

10.Nbd2 Bg4 11.a3 Bd2 (11...Ba5 12.Rb1 A) 12...Rab8 13.Nb3 (13.h3 Be6 14.Nb3 Bb6 15.Re1 Rbd8 16.Ng5 Bf5+=; 13.a4 d4 14.Nc4 de3 15.Ne3 Bd7 16.h3 Nh5+=) 13...Bc7 14.h3 Bf3 15.Bf3 Ne5 16.Re1 Bd6+=; B) 12...Nd7 13.c4 Be6 14.Qc2 Rad8 15.Ba1 Rb8 16.cd5 Bd5=; C) 12...d4 13.Nc4 de3 14.Bf6 ef2 15.Rf2 Qf6 16.Rb7 Bc3+=) 12.Qd2 d4 13.Bc1 (13.Rae1 de3 14.fe3 Qe3 15.Qe3 Re3= 16.h3 Rae8=; 13.Bd1 Rad8 14.Re1 Qd6 15.Be2 b5 16.a4 b4+=) 13...de3 (13...Rad8 14.Rb1 c4 15.e4 b6 16.Qf4 h6+=) 14.fe3 Rad8 15.Qe1 (15.Rb1 c4 16.Rd1 Rd7+=) 15...Nd5 (15...c4 16.Qg3+= Bf3-/+) 16.e4= Nb6 (16...Bf3=) 17.Qg3 Bh5 (17...Bf3 18.Bf3 c4 19.Be2=) 18.Bb2 f6 19.Rae1 Bf3 20.Bf3 Nd4 (20...c4 21.Be2 c3 22.Bc1=) 21.Bd1 Nd7 (21...Na4 22.Ba1 c4 23.dc4=) 22.c3+= Nc6 (22...Ne6 23.d4+=) 23.d4 Kh8 24.Rf2 (24.Bh5 g6 25.Bf3 Na5+=) 24...b6 (24...Nb6 25.Qd3=) 25.Bb3 (25.Bh5 g6 26.Bf3 Na5+=) 25...cd4 (25...b5 26.Bd5 Na5 27.Rfe2+=) 26.Rf5?? (better is 26.cd4 Ndb8 27.Rd2+/-) 26…g6 (26...g6 27.Rd5 dc3 28.Bc3 A) worse is 28...Qa3 29.Qc7 Rf8 A1) worse is 30.Rd7 Rd7 (30...Qb3?? 31.Rh7 Kg8 32.Qg7) 31.Qc6 Qb3 32.Bf6 Rg7-/+; A2) 30.Rb1+/-; B) 28...Nde5=; better is 26...Nde5-/+) 0–1. De Visser,Arno – Stach, corr ICCF Cup VI–VII gr., 1986.

10.Nbd2 Bg4 11.h3 Bd7 12.a3 Ba5 13.Nb3 Bb6 14.Re1 Rad8 15.Qc1 h6 16.Bf1 Nh7 17.c4 dc4 18.Qc3 (18.Qc4 Ng5 19.Be2 Ne6 20.Qc3 Bc7=) 18...f6 (18...Nf6 19.Qc4 (19.dc4 Bf5 20.Rad1 Bc7+=) 19...Be6 20.Qc2= (20.Qc3 Bd5+=) 20...Bd5=) 19.Qc4 Be6 20.Qc2 Nf8 21.Rec1 Nd7 22.d4 cd4 23.ed4 (23.Nbd4 Bd4 24.Nd4 Nde5=) 23...Qf7 24.Nbd2 Nf8 25.Bb5 Bd5 26.Re1 Ne6 27.Rad1 (27.Re3 Qh5 28.Bc6 bc6+=) 27...a6 28.Bc4 Ncd4 29.Nd4 Bd4 30.Bd5 Rd5 31.Nb3 Red8 32.Rd4 Nd4 33.Nd4 Rd4 34.Bd4 Rd4 35.Qc8 Kh7 36.Re8 Qd7 37.Qc2 g6 38.Rc8 Rd1 39.Kh2+= Qd6 40.g3= Rd2 41.Qc7 Qc7-/+ ½–½. De Visser,Arnold W – Szklarczyk,J, corr ICCF EU/M/Gr/558, 1981.

11.a4 Bc7 12.Nbd2 (12.Na3 a6=+ 13.Qb3 Bf5 14.Rfe1 Na5 15.Qc2 Qd6; 12.h3 Bf5 13.Nbd2 h6 14.Qb3 b6 15.Rfe1 Rad8) 12...b6 (12...Bf5 13.Qb3 Na5 14.Qc2 h6 15.Nh4 Be6) 13.Re1 (13.Qb3 Bf5 14.c4 d4 15.e4 Be6) 13...Bb7 (13...Be6 14.Rb1=+ (14.g3 h6 15.d4 Bf5) 14...h6 15.h3 a6; 13...Bf5 14.e4 Bg6 15.ed5 Nd5) 14.d4 (14.c4 dc4 (14...Nb4) 15.d4 (15.Nc4 h6) 15...cd4-/+ (15...c3 16.Bc3 Nd5=+); 14.g3 h6 15.Qb3 Qd7) 14...Rad8 (14...c4 15.Ba3 Bd6=+ (15...Qe6 16.Qb1=+); 14...Bd6 15.h3 c4) 15.c4 (15.h3 Qd7) 15...Nb4 (15...dc4 16.Bc4 cd4 17.ed4=) 16.cd5 (16.a5 ba5 17.cd5 Nfd5=) 16...Nfd5 (16...Bd5 17.Rc1=+) 17.Bb5= Rf8 18.Qb3 a6 19.Bc4 Nf6 (19...Qd7 20.e4 Nf4 21.g3=) 20.e4 cd4 (20...Nc6 21.d5 Na5 22.Qe3+=) 21.Bd4 Nh5 (21...Ng4 22.Nf1+=) 22.Rac1 Rd7 23.Bc3 (23.Rb1 a5+=) 23...a5 (23...Nd3 24.Bd3 Rd3 25.Bb4+=) 24.Bb4 Qb4 (24...ab4 25.e5 Nf4 26.e6 fe6 27.Re6 Ne6 28.Be6 Kh8 29.Bd7 Qd7 30.Qb4+=) 25.Qb4 ab4 26.Bb5 Re7 27.Rc4 Rd8 28.Rb4 Nf6 29.g3 Nd7 30.Nd4 (30.Bd7 Red7 31.Rc1 f5+–) 30...Be5 31.f4 Bd6 32.Rc4 Bc5 33.N2b3 Re4 (33...Bd5 34.Nc5 (34.ed5?! Re1 35.Kf2 Rb1=) 34...Bc4 A) 35.Bc4 Nc5 (35...bc5? 36.Nc6 Ree8 37.Rd1+–) 36.Nc6 Re4 37.Bf7 Kf8 38.Re4 Rd1 39.Kg2 Ne4-/+; B) 35.Nd7?! Bb5 36.Nf6 gf6 37.Nb5 Rd2=+; C) 35.Nf5 Nc5 36.Ne7 Kf8 37.Nc6+– (37.Bc4?! Ke7 38.Bb5 Rd4=)) 34.Re4 Be4 35.Bd7 (35.Nc5?! Nc5 36.h3 Kf8=) 35...Rd7 36.Nc5 bc5 37.Rc5 The mate threat is Rc8 37...Kf8 38.Rc4 Bd5 39.Rb4 Ke7 40.Kf2 f6 41.Nf5 Ke6 42.g4 Bc6 (42...g6 43.Ne3+–) 43.Nd4 Kd5 44.Nb3 Kd6 45.a5 (45.Ke3 Ra7 46.Rd4 Bd5+–) 45...Ra7 46.Rb6 Kd5 47.a6 Ba4 48.Nc1 Kc5 (48...Bc6 49.Nd3 Kd6 50.Nb4+=) 49.Rb7 Ra6 50.Rg7 Bd1 51.h3 (51.h3 Bc2 52.Rc7 Rc6 53.Rc6 Kc6 54.Ke3+–) 1–0. Rudbeck,Joergen – Dearnley,A, corr DEN–ENG br. 4 (year?).

11.a4 Qd6 12.Nbd2 (12.Qb3 Be6 13.Na3 d4 14.c4 de3 15.fe3 Ng4; 12.h3 Bf5 13.Qb3 Bc7 14.Nbd2 h6 15.c4 Nb4) 12...Bc7 13.Qb3 Na5 14.Qc2 Bf5 15.g3 Nc6.

11.a4 Be6 12.Nbd2 (12.h3 h6 13.Nbd2 Bc7 14.Re1 Rac8 15.Qb1 Bd6; 12.Qc2 Bf5 13.Nbd2 Qd6 14.Qb3 h6 15.h3 Rad8) 12...h6 13.d4 Ne4 14.Qc2 Bf5 15.Ne4 Be4.

11.a4 h6 12.h3 (12.Nbd2 Bf5 13.h3 Bc7 14.Re1 Rad8 15.Qb3 Na5) 12...Bf5 13.Nbd2 Bc7 14.Qb3 Na5 15.Qa3 Bd6.

11.Nbd2 a6 12.Re1 h6 13.Rc1 b5 14.c4 dc4 15.dc4 b4 16.e4 Nh7 (16...Bc7 17.Qb3=+) 17.e5 Rd8 18.Qb3 Bb7 19.Nf1 (19.Ne4 Nd4 20.Nd4 Be4= (20...cd4? 21.Nd6+-)) 19...Nd4 (19...Bc7 20.Qe3=) 20.Nd4 cd4 21.Ng3 Bb6 22.c5 (22.Qd3 Ng5 (22...Qe5? 23.c5+-) 23.Bg4 Bc5=) 22...Bc5=+ 23.Bc4 Nf8 (23...Ng5!?=+) 24.Nf5= The isolani on d4 becomes a target 24...Qg5 25.Bf7 Kh8 26.Ng3 White intends e6 26...Rac8 27.Qd3 a5 (27...Nd7 28.Qf5 Qf5 29.Nf5=) 28.e6+= Rc7 29.h4 Qd5 (29...Qh4? 30.Rc5 Rc5 31.e7+-) 30.f3 Rf7 (30...Rdc8 31.Nf5 Ba6 32.Qe4 (32.Qa6?! Qf5 33.Re4 Qd5+=) 32...Qe4 33.fe4+/- (33.Re4 Bd3 34.e7 Be4 35.Rc5 Rc5 36.fe4 Nh7+-)) 31.ef7+/- Bb6 32.Re7 Rd7 33.Rd7 Qd7 34.Qf5 Qd6 35.Qg4 (35.Ne4 d3 36.Kh1 Be4 37.fe4 d2+=) 35...Qd5 (35...Qf6 36.Kh2 Qf7 37.Bd4 Bd4 38.Qd4 Bd5+-) 36.Qf4 Kh7 (36...Qa2?? 37.Qd6 (37.Bd4?! Bd4 38.Qd4 Qf7+/-) 37...d3 38.Kh2 (38.Qb6?! Qb2 39.Qc5 Nd7+-) 38...Qf7 39.Qh6 Kg8 40.Qb6+-) 37.Rd1 b3 (37...d3 38.Kh2 Qd8+- (38...Qa2?? 39.Bg7 Qe6 40.Bf8+-)) 38.Ba3 (38.Bd4?! Bd4 39.Qd4 ba2 40.Qe4 g6+/-) 38...g5 39.Qf6 Qe6 40.Qe6 (40.hg5 hg5 41.Qg5 Qe3 42.Qe3 de3+-) 40...Ne6 41.ab3 gh4 42.Nf5 Bd5 43.Re1 (43.Rd3!? a4 44.ba4 Bc4+-) 43...d3 44.Kf1 d2 45.Rd1 Bb3 46.Rd2 Kg6 47.Rd6 Kf7 48.Rb6 (48.Nh6?! Kg7 49.Rb6 Bc4 50.Kf2 Kh6+-) 48...a4 49.Nh6 Ke8 (49...Kg6 50.Ng4+-) 50.Ng4 Kd7 51.Bd6 (51.Nf6 Kc7 52.Rb4 Ng7+-) 51...Ng7 52.Nf6 Ke6 53.Bg3 Ke7 (53...Kf7 54.Bh4 Nf5 55.Bg5+-) 54.Bh4 Nf5 55.Bg5 Nd4 56.Kf2 Ne6 57.Bh4 Kd8 58.Rc6 Ke7 59.Ng4 Kf8 60.Ne5 Ng7 (60...Kg7 61.Ra6 Kh6 62.f4+-) 61.Rf6 (61.Rc8 Ne8+-) 61...Kg8 62.Ra6 Ne8 63.Ra8 Kf8 64.Bg5 Bd5 65.Ra4 1-0. PEREIRA – Whitak, internet, 2021.

11.Nbd2 b5 12.Qc2 Bf5 13.a4 a6 14.Rfe1 c4 15.ab5 ab5 16.Nh4 Bg4 (16...Bd3 17.Bd3 cd3 18.Qd3=) 17.Ndf3 (17.dc4 Be2 18.Nf5 Qd7 19.Re2 bc4=+) 17...Bc7 18.h3 Be6 19.dc4 (19.Reb1 Ra1 20.Ra1 Bd6=+) 19...bc4 20.Nf5 Bf5 (20...Qd7 21.N5d4=+) 21.Qf5 g6 (21...Qe4 22.Qe4 Ne4 23.Nd4 Nd4 24.ed4 Ra1 25.Ra1=+) 22.Qc2 Qe4 (22...Ne4 23.Ra8 Ra8 24.Ra1 Ra1 25.Ba1=+) 23.Qd2 Qf5 24.Ra8 (24.Red1 Ra1 25.Ba1 Ra8=+) 24...Ra8 25.Ra1 Ra1 26.Ba1 Qb1 (26...Ne4 27.Qe1=+) 27.Qe1 (27.Qd1 Qd1 28.Bd1 Ne5=+) 27...Qa2 (27...Qe1 28.Ne1 Ne4 29.Nc2=+) 28.Nd4 Ne5 (28...Nd4 29.ed4 Bf4=+) 29.Nf3 (29.Qd1 Ne4 30.Nc2 Bd6-/+) 29...Ned7 (29...Ne4 30.Ne5 Be5 31.Bf3-+) 30.Nd2 (30.Nd4 Nc5 31.Qc1 Nfe4-+) 30...Nc5 31.Qc1 Nfe4 32.Ne4 de4 33.Qb2 Qa6 34.Qb1 h5 (34...Nd3 35.Bf1-+) 35.g3 (35.Bb2 Nd3 36.Bd3 cd3-+) 35...h4!-+ 36.Qf1 (36.gh4 Qd6 Combination) 36...hg3 (36...Nd3 37.gh4 Qd6 38.Qg2-+) 37.Bc4-/+ gf2 38.Kg2 (38.Kf2? Nd3 39.Bd3 ed3-+ (worse 39...Qd3 40.Qd3 ed3 41.Ke1+=)) 38...Qa4 39.Bb2 Nd3! 40.Bd3 ed3 41.Qf2 Qh4?? (better 41...Qc6 42.Kg1 Qd7-+) 42.Qh4 d2 43.c4 d1Q 44.Qh8 1–0. Kamilsson – Pointer, internet, 2020.

11.Nbd2 Rb8 12.h3 (12.c4 d4 13.e4 Bc7 14.Nb3 h6 15.a4 Be6; 12.Qa4 Bc7 13.d4 Bd7 14.Qc2 g6 15.c4 cd4) 12...Bf5 13.c4 d4 14.e4 Bc7 15.Re1 Bd7.

11.Nbd2 d4 (12.cd4 Nd4 13.Nd4 cd4 14.Bd4 Be6+/-). emmasdad – Haroldlee123, chessworld.net, 2015.

11.Nbd2 Qd6 12.Re1 (12.h3 Bd7 13.Qc2 b5 14.Rab1 g6 15.Rfe1 Rab8; 12.a4 Bc7 13.Qb3 Na5 14.Qc2 Bf5 15.g3 Nc6) 12...Bf5 13.Qb3 b5 14.Rad1 c4 15.dc4 bc4.

11.Nbd2 h6 12.d4 (12.Qb3 Bf5 13.Rfe1 a6 14.a4 Rad8 15.h3 Qd6) 12...c4 13.Qc2 Bc7 14.a4 Bd6 15.h3 b6.

11.Re1 a6 12.Nbd2 (12.h3 b5 13.Nbd2 Bf5 14.a4 c4 15.ab5 ab5) 12...Bf5 13.a4 Bc7 14.Qb3 Na5 15.Qc2 Rad8.

11.Re1 b5 12.Nbd2 Rb8 13.Nb3 Bb6 14.a4 b4 15.Rc1 a5.

11.Re1 d4 12.cd4 Be1 13.Qe1 Bg4 14.dc5 Qc5 15.Bf6 Bf3.

11.Re1 Be6 12.Nbd2 (12.Qa4 b5 13.Qh4 Bc7 14.Nbd2 h6 15.h3 Bf5) 12...h6 13.h3 Qd6 14.Rc1 Rac8 15.d4 Ne4.

11.Re1 Bf5 12.Nbd2 Rad8 13.Qa4 Ng4 14.Bf1 (14.Nb3 Bc7=+) 14...a6 15.h3 Nge5 16.Ne5 Qe5 17.Qf4 (17.Nf3 Qd6=+) 17...Bc3 18.Qe5 (18.Bc3 Qc3 19.Nb3 Bd3 20.Nc5 Bf1-/+) 18...Be5 (worse 18...Ne5 19.Bc3 Nd3 20.Red1+/-) 19.Rab1 (19.Be5 Ne5 (19...Re5?! 20.Rec1=+) 20.Rac1 Nd3 21.Bd3 Bd3 22.Rc5 d4-/+) 19...b5-+ 20.a4 (20.g4 Bb2 21.Rb2 Bg6-+) 20...Bd6 (20...ba4 21.Be5 Ne5 22.e4 de4 23.Ne4-+) 21.ab5 ab5 22.e4 Be6 23.ed5 Bd5 24.Ne4 Be4 25.de4 (25.Re4 Re4 26.de4 c4-+) 25…c4 ½-½. Mely (2290) - Avestruz (2495), ChessWorld.net, 2016.

11.Re1 h6 12.Nbd2 (12.h3 d4 13.cd4 Be1 14.Qe1 cd4 15.Nd4 Bd7) 12...Rb8 13.a4 Bf5 14.Qb3 a6 15.c4 dc4.

11.h3 A) 11...Bf5 12.Nbd2 (12.a4 Bc7 13.Nbd2 h6 14.Qb3 Na5 15.Qa3 Bd6; 12.Nh4 Be6 13.Nf3 h6 14.Nbd2 Bc7 15.a4 a6) 12...h6 13.Qb3 a6 14.a4 Qd6 15.Rfe1 Rad8; B) 11...Bc7 12.Nbd2 (12.Re1 Bf5 13.Nbd2 a6 14.a4 h6 15.Qb3 Na5) 12...Bf5 13.Re1 h6 14.Qb3 a6 15.a4 Na5; C) 11...h6 12.Nbd2 Bf5 13.Qb3 Qd6 14.Rfe1 b5 15.Rad1 c4; D) 11...Qd6 12.Nbd2 (12.Qb3 Be6 13.Nbd2 d4 14.Qa3 de3 15.fe3 Rad8; 12.a4 Bf5 13.Nbd2 h6 14.Qb3 Bc7 15.c4 Nb4) 12...Bf5 13.c4 d4 14.e4 Be6 15.Nb3 Bc7; E) 11...b5 12.Nbd2 (12.Qc2 Bf5 13.Nbd2 Bc7 14.Nh4 Bd7 15.Nhf3 g6) 12...Bf5 13.a4 b4 14.cb4 Bb4 15.Qc2 Rab8.

12.Qb3 Bc7 13.Nbd2 h6 14.h3 Na5 15.Qc2 Nc4.

12.Qb3 h6 13.Nbd2 Bc7 14.h3 Na5 15.Qc2 Nc4.

12.Nbd2 Bc7 13.d4 (13.Re1 Rad8=+ (13...h6 14.Qb3 Na5 15.Qc2 Rad8) 14.Qb3 Na5 15.Qc2 h6; 13.Qb3 h6 14.h3 Qd6 15.c4 Nb4) 13...c4 14.Ba3 Qd8 (14...Qe6 15.Ng5 (15.Qc1 h6) 15...Qd7 16.Ra2=+; 14...Qd7 15.Qc1 b6) 15.Re1 (15.Ra2 h6-/+ (15...Ne4 16.Ne4 Be4=+); 15.Nh4 Be4) 15...h6 (15...Ba5 16.Rc1=+; 15...Qd7-/+) 16.Ra2 Ba5 (16...b6 17.Rb2=+) 17.Qc1 Qd7 (17...Rb8 18.Qb2=+) 18.Bd1 (18.Rb2 Bc7=+) 18...Bd3 (18...Qe6 19.Rb2=+) 19.Bc2 Ne4 (19...Be4 A) worse 20.Ne4 de4 (20...Ne4?! 21.Be4 de4 22.Nd2=) 21.Nd2 Bc3-/+; B) 20.Qb2=+) 20.Bd3 cd3 21.Nb1 Qf5 22.Qb2 Re6 (22...Rec8 23.Rd1=+) 23.Rf1 (23.Qb3 Rb8=+) 23...Rf6 (23...Rc8 24.Qb3=+) 24.Qb5= (24.Qb7? Rb8 25.Qa6 Ne5-+) 24...Nc3 25.Nc3 Bc3 26.Qb3 Ba5 27.Rd1 (27.Qb7?? Rb8 28.Qa6 Rb6-+) 27...Rc8 28.Qd3 (28.Qb7? Rb8 29.Qa6 Rg6-+) 28...Qd3 29.Rd3 Nb4 30.Bb4 Rc1 31.Be1 Be1 The mate threat is Bd2 32.Kf1 Bc3 33.Ke2 Ra6 (33...Rg6 34.Nh4 Ra6 35.Rd1 Rd1 36.Kd1=) 34.Rd1= Rd1 35.Kd1 b5 36.Kc2 b4 37.Kb3 (37.Ne5 Rb6 38.Kb3 a5=) 37...Rg6 38.Nh4 (38.g3 Rf6 39.Ne5 a5=) 38...Re6 39.a5 Kf8 (39...a6 40.Rc2=) 40.Nf3 f5 41.g3 (41.Ne5 f4+=) 41...g5= 42.Ne5 f4 43.Nd7 (43.ef4 gf4 44.Nd3 A) 44...Bd4? 45.Nf4 Re1 46.Kb4+– (46.Nd5?! Rb1 47.Kc2 Rh1+=); B) 44...fg3 45.fg3 Bd4 46.Nb4 Rd6+=) 43...Kg8 (43...Kf7 44.gf4 gf4 45.Nc5=) 44.gf4 gf4 45.Ne5 Kg7 46.a6 (46.ef4 Bd4 47.Nd3 Rc6=) 46...fe3= 47.fe3 Be1 (47...h5 48.Ra5=) 48.Rg2 Kh7 49.Re2 Bc3 50.Ra2 Be1 (50...Kg7 51.Ra5=) 51.Ra5 Rd6 52.Rc5 Ra6 53.Rd5 Ra3 54.Kc4 a5 55.Rd7 Kg8 56.Ng4 Kf8 57.Nf6 (57.e4 b3 58.Rd8 Ke7=) 57...Bh4 (57...Rc3 58.Kb5=) 58.Nd5 b3 59.Rb7 (59.Rd6 Kg7=) 59...a4 60.Nf4 Ke8 61.Kd5 (61.Ne6 Ra2 62.h3 Bf6=) 61...Bg5 (61...Ra2 62.Rb8 Kf7 63.h3=) 62.Ke6= Threatening mate... how? 62...Bf4 63.ef4 The passed pawn on f4 will quickly become a dangerous weapon 63...Kd8 64.Kd6 Kc8 65.Rc7 (65.Rb4 Ra2=) 65...Kb8 66.Rc4 Ka7 (66...Kb7 67.Rb4 Ka6 68.f5=) 67.Rb4 Ra2 68.f5 Ka6 69.f6 ½–½. Rudbeck,Joergen – Steinmann,Joachim, corr 3GMM–F, 2001.

12.Nbd2=+ h6 13.Qb3 Qd6 14.h3 Bc7 15.c4 Nb4.

12.Nbd2 h6 13.Nb3 Bc7 14.Ba3 Bd6 15.d4 c4 16.Bd6 Qd6 17.Nbd2 b6 18.Qc1 Rab8 19.Qa3 Qe6 20.Rfe1 a6 21.Bf1 Bg6 22.g3 b5 23.ab5 ab5 24.Qa6 b4 25.cb4 Rb4 26.Rec1 Ng4 (26...Rb2 27.Qa3 Reb8 28.Qc3-/+) 27.Rc3 (27.Nc4 dc4 (worse 27...Rc4 28.Bc4 dc4 29.Qc4+/-) 28.Bc4 Qf6-/+) 27...Reb8=+ 28.h3 (28.Nc4 dc4 29.Bc4-+) 28...Nf6-/+ 29.Ne5 (29.Bg2!?-/+) 29...R4b6-+ 30.Qa3 Ne5 31.de5 Ne4 32.Ne4 Be4 (32...de4?! 33.Qc5=) 33.f4 Qg6 34.g4 f5 35.Be2 fg4 36.hg4 Rb2 37.Re1 (37.Bd1 Rg2 38.Kf1-+) 37...Re2! 38.Re2 (38.Re2 Bf3 Double attack (38...Bf3 Decoy)) 38...Qg4 39.Kf2 Qg2 (better 39...Qh4 40.Kg1 Rb1 41.Rc1 Rc1 42.Qc1 Qh1 43.Kf2 Qc1-+) 40.Ke1 Qg1 (40...Qg3!? 41.Kd2 Bf3 42.Rc2-+) 41.Kd2 d4 (41...Bf3 42.Rc1 Qg6 43.f5-+) 42.Rc4 de3 43.Qe3 Rd8 44.Kc3 Qa1 45.Kb4?? (45.Rb2 Rb8 46.Qd2 Qa3 47.Kd4 Rb2 48.Qc3 Qc3 49.Rc3-+) 45...Rb8 46.Kc5 (46.Qb6 Rb6 47.Kc5 Rc6 48.Kb4 Qb1 49.Ka3 Qd3 50.Kb4 Qc4 51.Ka3 Ra6 52.Kb2 Ra2) 46...Qa7 47.Kd6 Rd8 (47...Rd8 48.Ke6 Qd7) 0-1. Mely (2230) - WAR62 (2620), ChessWorld.net, 2016.

12.Nbd2 h6 13.h3 Rab8 14.Qb3 Bc7 15.Rfe1 Red8.

12.h3 Ne5 13.Ne5 Qe5 14.Nd2 h6 15.Nf3 Qd6.

12.Ba3 b6 13.d4 (13.Bb2 Bf5+=) 13...Ne4 14.Qc2 (14.Rc1 Qf6+=) 14...Bg4 15.h3 Bf5 16.Rfe1 (16.Bd3 Nd2 17.Nd2 Qd6+=) 16...Qd6 (16...Qf6 17.Ne4 Be4 18.Qa4+=) 17.Rad1 (17.c4 Qg6 18.cd5 Nf2-/+) 17...Rad8 (17...Qf6 18.Ne4 Be4 19.Qb2+=) 18.Bd3 Qe6 (18...Na5!?+=) 19.dc5+= bc5 (19...Nd2 20.Qd2 Bd3 21.cb6 ab6 22.Qd3=) 20.Bc5 Bh3 21.Ne4 (worse is 21.gh3 Qh3 (worse is 21...Nc5 22.Bh7 Kh8 23.Bf5+=) 22.Ne4 de4 23.Be4 Qg4 24.Kf1 Re4 (worse is 24...Qe4 25.Qe4 Re4 26.Rd8 Nd8 27.Bd4+=) 25.Rd8 Bd8-/+) 21...de4 22.Be4 Qg4 23.Nd2 (23.Bh7 Kh8 24.Nh4 Qh4 25.Rd8 Nd8 (25...Qd8?! 26.Be4 Re6 27.Rb1-/+) 26.gh3 Qg5 (26...Qh7?! 27.Qh7 Kh7 28.Ba7=) 27.Kf1 Qc5-+) 23...Rd2 (23...Re6 24.Bf3 Qg5 25.Ne4+/-) 24.Qd2 Re4 25.f3 Qg3 26.fe4 Qh2 27.Kf1 h6?? (better is 27...Qh1 28.Ke2 Qg2 29.Kd3 Ne5 30.Kc2 Qe4 31.Kc1 h5+/-) 28.gh3+– Qh1 29.Ke2 Qg2 30.Kd3 Ne5 31.Kc2 Qe4 32.Kc1 Qa4 (32...Nf3 33.Qg2 Qc4 34.Bd4 Nd4 35.ed4 Qc3 36.Kb1+–) 33.Qd5 Kh7 (33...Qa5 34.Kb2+–) 34.Bd4 Nc4 (34...f6 35.Rg1 Qa3 36.Kb1+–) 35.Re2 Bd6 (35...Nd6 36.Rg2 g5 37.Qe5+–) 36.Rg1 Ba3 37.Kb1 Bf8 38.Qf7 Qb5 39.Ka1 Ne5 40.Qf8 1–0. Janek – Vassileos, internet free game, 2017.

12.Qb3 Bf5 13.Rfe1 Na5 14.Qa3 b5 15.Rac1 Qd6.

12.Re1 Rb8 13.a4 Bf5 14.Qb3 Red8 15.c4 Nb4.

12.Re1 Be6+=.

12.h3 Bf5 13.Qb3 h6 14.Rfe1 Na5 15.Qa3 Rac8.

13.c4 dc4 14.Nc4 b5 15.Ncd2 a6 16.a4 Rab8 17.Nh4 (17.ab5 ab5 18.e4 Bg4=+) 17...Be6 (17...Bh2 18.Kh2 Ng4 19.Bg4 Qh4 20.Bh3 Bd3 21.ab5 ab5 22.Kg1+/-) 18.Nhf3=+ Bf5 19.Nh4 Be6 (19...Bh2 20.Kh2 Ng4 21.Bg4 Qh4 22.Bh3 Bd3 23.ab5 ab5+/-) 20.Nhf3= Bf5 ½-½. kvb47 (2445) - vanycuba (2305), gameknot.com, 2022.

14.Qd1 Rad8 15.Ba3 Bd6 16.Qa4 Nc6 17.d4+=.

16.Qa4 Qd6 17.Bb2 A) 17...Bg4 18.h3 (18.Rab1 b5 19.Qc2 c4 20.Rbd1 Bf5 21.Bc1 cd3 22.Bd3 Bd3-/+; 18.c4 dc4 19.dc4 Qe6 20.Rad1 h6 21.Bc3 Nc6 22.Qc2 Nd7+=) 18...Bf3 19.Nf3 b5 20.Qh4 a6 21.a4 Nb3 22.Ra2 Nd2=; B) 17...Nc6 18.Rad1 (18.c4 Nb4 19.cd5 Bd3 20.Nc4 Qd7 21.Qd7 Rd7 22.Bf6 gf6+=; 18.Qh4 Rd7 19.c4 Bd8 20.Qg5 Be6 21.Rab1 Be7 22.a3 h6=) 18...b5 19.Qh4 Rd7 20.Ba3 a5 21.d4 b4 22.dc5 Qc5=; C) 17...Ng4 18.Nf1 (18.h3 Ne5 19.Ne5 Qe5 20.Nf3 Qe6 21.Nh4 Bh3 22.Bd1 Bf5-/+; 18.g3 a6 19.Qd1 Nf6 20.Qc2 Nc6 21.Nh4 Bd7 22.Nhf3 Qe6+=) 18...Qf6 19.Rad1 Bd6 20.h3 Ne5 21.Ne5 Qe5 22.d4 Qe6+=.

16.Qa4 Qd6 17.Nb3 Nb3 (17...Nc6 18.d4 Ne4 19.dc5 bc5 20.Nbd4 Ne5 21.Nf5 Nf3 22.Bf3 Qh2=) 18.ab3 Bg4 19.g3 a5 20.b4 cb4 21.cb4 b5 22.Qb5 Rb8+=.

16.Qa4 Qd6 17.Rad1 Ng4 18.Nf1 (18.g3 Bd7 19.Qc2 Qg6 20.Bb2 Nf6 21.c4 dc4 22.Nh4 cd3+=; 18.h3 Ne5 19.d4 Nf3 20.Nf3 Be4 21.dc5 bc5 22.Qb5 Bb6+=) 18...Qg6 19.Ng3 (19.Bb2 a6 20.e4 de4 21.de4 Be4 22.Rd8 Rd8+=) 19...Bd7 20.Qc2 Bb5 (20...Bg3 21.hg3 Ne5 22.Ne5 Re5+=) 21.Qc1 (21.Bb2 Bg3 22.hg3 c4-/+) 21...Qh6 (21...Bg3 22.hg3 Nc6-/+) 22.e4 (22.Qc2 a6+=; 22.Qd2 Nc6+=) 22...Bg3 (22...Ba4 23.Qh6 Nh6 24.Rb1 Bg3 25.hg3 de4 26.de4 Re4 27.Bc1-/+) 23.hg3+= Qc1 24.Rc1 (better is 24.Bc1!? de4 25.de4 Be2 26.Rd8 Rd8 27.Re2-/+) 24...de4-+ 25.de4 Be2 26.Re2 Nc4 27.Bb2 Nb2 28.Rb2 Re4 29.Kf1 Ra4 30.c4 f6 31.Re2 h5 32.Rcc2 Kf7 33.Re1 Nh6 34.Ree2 Nf5 35.Red2 Rd2 36.Nd2 Nd4 37.Rb2 Ke6 38.Ke1 Nc6 39.Rb3 Ra2 40.Re3 Kf5 (40...Kf5 41.Rf3 Kg6-+) 0–1. pzn2pawn (1825) – pajaro de fuego (2150), redhotpawn.com, 2016.

16.Qa4 Qd6 17.Qh4 A) 17...Nc6 18.Rad1 (18.Nd4 Qd7 19.Nf5 Qf5 20.Bb2 c4 21.dc4 Qc2 22.Bc1 Qc3-/+; 18.Bb2 Qe7 19.c4 Nb4 20.Bf6 gf6 21.Rad1 Nd3 22.Bd3 Bd3+=) 18...Rd7 19.Nd4 Bg6 20.Nb5 Qe6 21.Nc7 Rc7 22.Bb2 Rd7=; B) 17...Qd7 18.Bb2 (18.Rad1 Nc6 19.Bb2 Ne7 20.e4 Ng6 21.Qg5 Bg4 22.g3 Bf4-+; 18.Rac1 Bd6 19.Bb2 Be7 20.h3 Ne4 21.Qh5 Bg6 22.Qg4 Nd2-/+) 18...c4 19.dc4 dc4 20.Rad1 Bc2 21.Rc1 Qa4 22.Bc4 Be4+=; C) 17...Qe6 18.Bb2 (18.d4 c4 19.Ng5 Qd7 20.h3 a6 21.Bd1 h6 22.Ngf3 Nc6-/+; 18.Ng5 Qe7 19.d4 h6 20.Ngf3 Bd6 21.Bb5 Bd7 22.dc5 bc5+=) 18...Bd6 19.c4 Be7 20.Ng5 Qd7 21.Red1 dc4 22.Nc4 Qa4+=.

17.Rad1 a6 18.Bb2 b5 19.Qh4 Qc8 20.c4 dc4 21.dc4 Ne4 22.Ne4 (22.g4!? Nd2 23.Nd2+=) 22...Re4-/+ 23.Qg5 Rg4 24.Qh5 Nc4 25.Ba1 Re4 (25...Rd1!? 26.Rd1 h6+=) 26.Nh4+= Be6 27.f3? (27.Bf3 g6 28.Qg5 Re5=) 27...Rd1 (27...Re3 28.Qg5 Rd4 29.Bc4 Re1 (29...Bc4 30.Nf5 Re1 31.Re1+–; worse is 29...bc4 30.Qe3 Rh4 31.Be5 Be5 32.Qe5+/-) 30.Re1 Bd8 (30...Bc4 31.Bd4 cd4 32.Nf5+–; worse is 30...bc4 31.Nf5 Bf5 32.Bd4 cd4 33.Qf5+/-) 31.Be6 fe6+= (31...Bg5?? 32.Bc8 Rd8 33.Nf5+–)) 28.Rd1 Rh4 29.Qh4 Ne3 30.Qg5 Nf5 31.Bd3 h6 32.Qg4 Nd4 33.Qe4 f5 34.Qe3 Qd7 35.Bd4 cd4 36.Qd2 Qd6 37.g3 f4 38.g4 Bd5 39.Rf1 Bd8 40.Qc2 Qd7 ½–½. Hoch,Hubertus (2105) – Siegel,Willi, WS/M/165 ICCF, 2008.

17.Rad1 a6 18.Bb2 b5 19.Qh4 h6 20.Ba3 Qb6 21.d4+=.

17.Rad1 a6 18.Bb2 b5 19.Qh4 h6 20.h3 Rb8 21.Nb3 Qb6 22.Ba3 Nb3 23.ab3.

17.Rad1 a6 18.Bb2 Qc6 A) 19.Qh4 h6 (19...Rd7 20.h3 h6 21.Nb3 Nb3 22.ab3 Rde7 23.Rd2; 19...Qb5 20.Ba1 Bg6 21.c4 Qc6 22.Nb3 Nb3 23.ab3) 20.Nf1 Bg6 21.Ng3 Qe6 22.Rd2 Nc6 23.Rc1; B) 19.Qc6 Nc6 20.h3 h5 21.Ng5 Re7 22.g3 Ne5 23.Ndf3.

17.Rad1 a6 18.Bb2 Nc6 A) 19.g3 h6 20.Nb3 Bh3 21.Bf1 Bf1 22.Rf1 Ng4 23.Rd2; B) 19.Nb3 h6 (19...Qc8 20.g3 Qb7 21.Rd2 h6 22.c4 d4 23.ed4) 20.Nh4 Qd6 21.g3 Bd7 22.Qa3 Ng4 23.Nf3; C) 19.Nh4 b5 (19...Bg4 20.Bg4 Ng4 21.h3 Nge5 22.Ndf3 b5 23.Qc2; 19...Qd6 20.g3 Bd7 21.Qb3 g5 22.Nhf3 g4 23.Nh4) 20.Qa6 Ra8 21.Qb7 Ra7 22.Qb5 Rb8 23.Qc5.

17.Rad1 a6 18.Bb2 h6 19.e4 (19.g3 Qc6 20.Qh4 b5 21.Nb3 Qb6 22.Ba3 Nb3 23.ab3; 19.Qa3 Qe7 (19...Nc6 20.h3 Ra8 21.c4 dc4 22.Nc4 b5 23.e4; 19...Bd6 20.c4 dc4 21.Nc4 Bd3 22.Nb6 Be2 23.Re2) 20.g3 b5 21.Nh4 Bh3 22.Rc1 Ng4 23.e4; 19.h3 b5 (19...Nc6 20.Qa3 a5 21.Rc1 Re7 22.Red1 Bd6 23.c4) 20.Qh4 Rb8 21.g4 Bg6 22.g5 hg5 23.Ng5; 19.Nb3 Qc6 (19...b5 20.Qa3 Nb3 21.ab3 Qc6 22.b4 Bd6 23.h3; 19...Nb3 20.ab3 b5 21.Qa3 Qb6 22.h3 a5 23.c4) 20.Qh4 Nb7 21.Nbd2 b5 22.d4 Bd6 23.Ne5) 19...Bh7 (19...Bg6 20.ed5 Qd5 21.Ne4 Ne4 22.de4 Re4 23.Rd5; 19...de4 20.de4 Ne4 21.Ba6 Re7 22.Ne4 Rd1 23.Qd1) 20.ed5 (20.e5 Be5 21.Ne5 Qe5 22.d4 Qc7 23.dc5) 20...Qd5 (20...Nd5 21.Bf1 Qc6 22.Qc6 Nc6 23.Ne4) 21.c4 (21.d4 b5 22.Qa3 Nd7 23.g3) 21...Qc6 22.Qa3 Qd6 (22...Re2 23.Re2) 23.g3 (23.Bc3 Nd7=; 23.Ne4=) 23...Nc6 24.Bf1 Re1 25.Ne1 a5 26.Ndf3 Qe6 27.Rd2 Ng4 28.Re2 Qd7 29.h3 Nf6 30.Bc3 Ne8 (30...Bd3? 31.Rd2 (31.Nd3?! Qd3 32.Re8 Ne8 33.Bd3 Rd3+=) 31...Qe6 32.Rd3 (32.Nd3?! Ne4+–) 32...Rd3 33.Bd3+–) 31.Qb2 f6 32.a3 Nd6 (32...Bd3? 33.Nd3 Nd6 34.Nd2+–) 33.Nh4 Nf7 34.Bg2 (34.f4 Na7= (34...Bd3? 35.Nd3 Nd4 36.Bd4 Qd4 37.Qd4 cd4 38.Bg2+–)) 34...Nce5=+ The pressure on the backward pawn d3 grows 35.Re3 Bd3 36.Be5 Be5 (36...Ne5 37.Bd5 Kh8 38.Nd3 (38.Rd3?! Nd3 39.Nd3 Re8+–) 38...Nd3 39.Qc2+–) 37.Qb3 Bh7 38.Qb6 g5 (38...Bd4 39.Re2=) 39.Nhf3 Qc7 40.Qb3 Bd4 41.Re6 Rb8 (41...Bf5 42.Nd4 cd4 43.Rc6=+) 42.Nd4+= cd4 43.Qf3 (43.Qd1 Qc4 44.Rc6 Qb5 45.Qd4 Qe5+=) 43...d3 44.Nd3 Qc4 45.Re3 Kg7 46.Ne1 Ne5 47.Qd1 Qc5 48.Qd2 Qa7 49.Qc3 Rb5 50.Nf3 Rc5 51.Qe1 Qc7 52.Kh2 (52.Nd4 Qd6 53.Qd1 Qd7+=) 52...Rc1= 53.Qd2 Nf3 (53...Qc2 54.Qc2 Rc2 55.Ne5 fe5 56.Re5 Rf2 57.Kg1= (57.Ra5?? Be4-+)) 54.Bf3+= Rc2 55.Qe1 Qc5 56.Re7 Kh8 57.Re8 Bg8 58.Rg8 ½–½. Hoch,Hubertus (2325) – Fuhrwerk,Klaus (2350), RSLE–2011, 2011.

12.Qb3 h6 13.Rfe1 a6 14.a4 Rad8 15.h3 Qd6.

12.Re1 h6 13.Qb3 Rab8 14.c4 d4 15.e4 Bg4.

12.Nh4 Bd7 13.Nhf3 Bc7 14.Re1 Qd6 15.Qb3 Bf5 16.c4 d4 17.ed4 cd4 18.Qb5 (18.Qb7?? Rab8 19.Ba3 A) 19...Qa3?! 20.Qc7 (20.Qc6? Bf4-+) 20...Rbc8 21.Qb7+=; B) 19...Rb7 20.Bd6 Bd6-+) 0–1. Schrader,Arnold – Glotz,Dietmar, DESC, 2005.

13.e4 Bc7 14.Nb3 Bd7 15.Qd2 b6 16.a4 a5 17.g3 Ng4 18.Rfe1 Nb4 19.Qd1 f5 20.Nh4 Qg5 (20...Ne5 21.Nf5 Bf5 22.ef5 Ned3 23.Bd3 Qe1 24.Qe1 Re1 25.Re1 Nd3 26.Re2-/+) 21.ef5=+ Nh2 (better 21...Nh6!?=+) 22.Bc1+= Re3 (better 22...Qf6 23.f4 Ng4 24.Bg4 Re1 25.Qe1 Nc2+=) 23.Nf3?? (23.Ng2 Qf5 24.Ne3 (24.fe3 Bg3 25.e4 Qh3-+; 24.Kh2 Qh3 25.Kg1 Bc6-+) 24...de3 25.Be3= (25.Kh2 Qf2 26.Kh1 Bg3 27.Be3 Qh2; 25.fe3 Qh3 26.Ra2 Na2-+)) 23...Qf5 Will d3 fall? (23...Nf3!? 24.Bf3 Rf8 25.Be3 de3 26.Re3 Bg3 27.Bd5 Nd5 28.Rg3 Qf5-/+) 24.Kh2 (24.Nh2 Nd3 25.Be3 de3+=) 24...Bg3= 25.Kg1 (25.fg3 Qh3 26.Kg1 Qg3 27.Kh1 Re2 28.Qe2 Re8=) 25...Qg4 (25...Rd3 26.Nbd2 Bf4-+) 26.Nbd4?? (26.fg3 Qg3 27.Kh1 Re2 A) 28.Re2?? Qf3 29.Kg1 Rf8-+ (29...Qd3?! 30.Qd3 Nd3 31.Re7=); B) 28.Qe2=) 26...cd4 (26...Be5 27.Kh1 Rf3 28.Nf3-+) 27.fg3-/+ Qg3 28.Kh1 Bc6 29.Be3 Rf8 (worse 29...de3 30.Bf1 Bf3 31.Qf3 Qf3 32.Bg2 Qh5 33.Kg1-+) 30.Bg5 Nc2 (30...Nc2 31.Qd2 Rf3 32.Bf3 Bf3 33.Qg2 Qg2) 0–1. Guest – GuestAnthav, internet, 2020.

13.e4 Bc7 14.Nb3 Bd7 15.Ne1 g6 (15...Bd6!?-/+) 16.f4= h5 (16...a6 17.Ba3 b6 18.Nc2=) 17.h3 (17.Nc2 b6=) 17...Nh7 18.Qd2 Nf8 19.Nc2 Ne6 20.e5 Ne5? (better is 20...g5!? 21.f5 Nf4=) 21.fe5+/- Ng5 22.e6 Ne6 (22...Be6 23.Ba3 Combination; 22...Qe6 23.Nc5 Double attack (23.Qg5 Deflection; 23.Nc5 Decoy); 22...fe6 23.Bc1 Combination; 22...Ne6 23.Bf3 Combination) 23.Ne1 (23.Bf3 Qd6 24.Rfe1 Qh2 25.Kf1 Bg3-/+) 23...Bc6 (23...Ng5!? 24.Nf3 Nh3 25.gh3 Qe2 26.Qe2 Re2 27.Nc5 Rb2 28.Nd7 Bf4+/-) 24.Bf3+= Qd6 25.g3 (25.Bc6 Qh2 26.Kf2 bc6 27.Ke2 Nf4 28.Kd1-/+) 25...Qg3-/+ 26.Qg2 Bf3 (26...Qg2 27.Bg2 Bg2 28.Ng2+=) 27.Qg3+= Bg3 28.Nf3 b6 29.Kg2 (29.Bc1 Bf4-/+) 29...h4 (29...Bf4 30.Rae1-/+) 30.Bc1 f6 (30...Re7 31.a4+=) 31.Ng1+= Kf7 32.Ne2 Be5 33.Nd2 g5 34.Nf3 Bc7 35.Bd2 Kg6 (35...Re7 36.Rf2-/+) 36.Rae1 (36.Rf2 Re7-/+) 36...Ng7 (36...Re7 37.Rg1-/+) 37.Rg1 (37.a3 Nf5-/+) 37...Nf5 38.Kf1 Ne3 39.Kf2 Kh5 40.Bc1 (better is 40.Nfd4!? cd4 41.Nd4 Bg3 42.Rg3 hg3 43.Kg3 Nc4 44.dc4 Re1 45.Be1-/+) 40...Re7 41.Nd2 (41.Be3 Re3 42.Rd1 Rg8-/+) 41...Rae8-+ 42.Ne4 Re4 43.de4 Nc4 (43...Re4?! 44.Kf3 Re5 45.Nd4 cd4 46.Be3 de3 47.Re3-+) 44.Rd1 Re4 45.Rd3 Ne5 46.Ra3 a5 47.Bd2 (47.Re1 b5 48.Nf4 Rf4 49.Bf4 gf4-+) 47...c4 48.Bc1 0–1. Janek – Murad, internet free game, 2017.

13.e4 Bd7 14.Nb3 Bc7 15.Ne1 b6 16.Bc1 Ne5 (16...a6 17.Bg5-/+) 17.f4+= Nc4 18.dc4 Ne4 (worse is 18...Qe4 19.Bf3 Qe6 20.Ba8 Ra8 21.Qc2+–) 19.Bd3 g6 20.Qc2 Nc3 21.Bd2 Ne2 22.Be2 Qe2 23.Nc1 Qg4 24.a4 a5 25.h3 Qf5 26.Ncd3 f6 27.Rf2 Bc6 28.Nf3 ½–½. Skerlik,Stanislav (2315) – Samerdokas,Alfredas (2340), WS/MN/080 ICCF, 2012.

13.e4 Bd7 14.Ne1 a6 15.a4 Rab8 16.Nb3 Bc3 (16...Bc7!?-/+) 17.Bc3+= dc3 18.Qc1 (18.Nf3 Nb4+=) 18...Nd4 19.Nd4 cd4 20.Nc2 Qc5 21.Qa3 Qa3 22.Ra3 Rbd8 23.Nd4 Ne4 24.de4 Re4 25.Bf3 Rd4 26.Rc3 Be6 27.Bb7 Bc4 28.Re1 ½–½. Skerlik,Stanislav (2315) – Roques,Pascal (2300), WS/MN/080 ICCF, 2012.

13.e4 Bd7 14.Ne1 a6 15.Nb3 b5 16.Na5 Na5 17.Qd2 Nc6 18.Qc1 (18.cb5 ab5 19.Nf3 h6=+) 18...Rac8 (18...Be6 19.cb5 ab5 20.Nf3-/+) 19.cb5 ab5 20.Nf3 Bg4 (20...c4 21.dc4 Qe4 22.Re1=) 21.a4=+ b4 22.Re1 Na5 23.Qd1 Be6 24.Nd2 Qc7 25.Rc1 Qf4 (25...Qd6 26.Rf1=+) 26.g3 Qd6 27.f4 Qb6 28.Bf3 Nd7 (28...Re7 29.Qc2=) 29.Ra1 (29.e5!?=) 29...c4 30.dc4 d3 (30...Nc4?! 31.Nc4 Rc4 32.f5 d3 33.Kh1=) 31.Kg2 Nc4 32.Nc4 Bc4 33.Rc1 (33.a5 Qb7 34.Rc1-/+) 33...Ba6-/+ 34.Qd2 (34.Rf1 b3 35.Rc3 Nc5-+) 34...Nc5 35.Bd4 (35.Qe3 d2 36.Qd2 Nd3-+) 35...Nb3-+ 36.Rc8 (36.Bb6 Nd2 37.Be3-+) 36...Rc8 (36...Nd2?? 37.Re8; 36...Bc8?! 37.Bb6 Nd2 38.Ba5=) 37.Bb6 Nd2 38.Ba5 b3 39.Bd2 Rc2 40.Kf2 Rd2 41.Ke3 0-1. Jan_Ek (2125) - Titus (2005), internet, 2020.

13.e4 Bd7 14.Ne1 a6 15.Nef3 Bc7 16.a4 Ng4 17.g3 f5 18.Nh4 g6 (18...Nh2 19.Nf5 Bf5 20.Kh2-/+) 19.Re1+= Ba5 20.h3 Nge5 21.f4 fe4 22.fe5 Bd2 (22...Ne5!? 23.Rf1 Bh3 24.Ne4 Bf1 25.Bf1 Rf8-/+) 23.Qd2+= e3 24.Qc2 Ne5 (worse is 24...Qe5 25.Kh2+=) 25.Ng2 Bh3 26.Nf4 Qg5 27.Kh2 0–1. marekt – borde, internet, 2014.

13.e4 Bd7 14.Ne1 Rad8 15.Rb1 b6 16.f4 Ng4 17.Bg4 Bd2 18.Bd7 Be3 19.Kh1 Qd7 20.Qe2 f5 21.e5 g5 22.g3 Re6 23.Ng2 gf4 (23...Qb7!?=) 24.gf4+= Ne7 25.Rf3 Kf7 26.Ne3 de3 27.Re3 Qc6 28.Qf3 Qf3 29.Rf3 Rh6 30.a4 Nc6 31.Bc3 Rd7 32.Rg1 Rh4 33.Rg5 Ke6 34.Kg2 Rh6 35.Rg8 Kf7 36.Rgg3 Nd8 37.Rg5 Ke6 38.Rfg3 Rh4 39.h3 (39.Bd2 Nc6+/-) 39...Nc6 (better 39...Rf4!? 40.Rh5 Re7+=) 40.Rg7+/- Ne7 41.Kh2 Rh6 42.Be1 Rh4 43.a5 (43.Rf3 Rh5+-) 43...ba5 44.Rf3 Rd4?? (better 44...Rh6+/-) 45.Bh4+- (45.Bh4 Ng6 46.Rh7 Nh4 47.Rh4+-) 1-0. PEREIRA – Denlot, internet, 2021.

13.e4 Be6 14.Nb3 Bc7 15.Qd2 h6.

13.e4 h6 14.Nb3= Bc7 15.Nfd2 g5 16.Bc1 b6 17.Re1 Be6 18.Nf1 a6 19.a4 Bd6 20.Bd2 Qc7 21.Ng3 (21.Ng3 Rab8 22.Qc1=+). Bonetti,Shane – Gomez Celdran,Francisco Miguel (2260), MDK Malbork, 2007.

12.Rc1 Bc7 13.Re1 Qd6 14.c4 d4 15.ed4 cd4 16.c5 Qd7 17.h3 Be6 18.Ne4 (18.Nb3 Bd5=) 18...Ne4+= 19.de4 Increasing the pressure on the isolated pawn on d4 19...Bf4 20.Rb1 Red8 21.Bb5 d3 22.Be5 Be5 23.Ne5 Qc7 24.Nc6 bc6 25.Bd3 Ba2 26.Rc1 a5 27.Qc2 Be6 28.e5 h6 29.Qe2 a4 30.Qe4 g6 31.Bc4 Qd7 32.Be6 Qe6 33.Ra1 Exerts pressure on the isolated pawn 33...a3 34.Qe3 a2 35.Qh6 Rdb8 36.Qd2 Rb5 37.Qc2 (37.Qd4 Qd5 38.Qd5 cd5=) 37...Raa5= 38.f4 Rc5 39.Qf2 Rcb5 40.Kh2 Rb4 41.Re2 Rba4 42.g3 ½–½. Borrmann,Fritz – Isigkeit,Hans Juergen, DESC, 2006.

12.Qc2 Rac8 13.Rab1 Bc7 14.Rfe1 b6 15.a3 Qd6 16.Qa4 Bd7 17.Qb3 Ng4 18.h3 Nge5 19.c4 d4 20.ed4 cd4 21.Bf1 Rcd8 22.Rbd1 Bc8 23.g3 Qh6 24.Ne5 Ne5 25.f4 Qg6 26.Kh2 (26.fe5? Qg3 27.Bg2 Bh3-+) 26...Bb7 27.fe5 Be5 28.Re5 Re5 29.Ne4 Re4 (29...Be4?! 30.de4 Qe4 31.Bg2=) 30.Qc2 Re3 31.Qf2 Qc6 (31...Qc6 32.Qg1 Rd6 33.Bd4 Rg3 34.Kg3 Qf3 35.Kh2 Rg6 36.Qg6 hg6-+) 0–1. Leon Ayllon,Francisco – Martin Molinero,Raul (2390), VI Campeonato de Espaideaa por Equipos, 2d, 2005.

12.c4 d4 13.e4 Bd7 14.Ne1 Bc7 15.f4 a6 16.Rf2 Kh8 17.a4 Na5 18.Bc1 Bc6 19.g3 Rab8 20.Ng2 b6 21.e5 Ng8 22.Nh4 f6 23.Bh5 Rf8 24.Ndf3 Qd7 25.Re2 g6 26.e6 Qe8 27.Bg4 f5 28.Bh3 Rf6 29.Ng5 h6-/+ 30.Nf7 Kg7 31.Ne5 Be5 32.Re5=+ Bb7 33.g4 fg4 34.Qg4 Nb3 35.Rb1 Nc1 36.Rc1 Ne7 37.f5 Qc6 38.Bg2=+ Qc7 39.Rce1 Bg2 40.Ng2 Kh7 41.fg6= Rg6 42.Qe4 Rbg8 43.Kh1 Kh8 44.Rh5 Rf6 45.Rh4 Qb8 46.Rb1 a5 47.Nf4= Qf8 48.Rg1 ½–½. Bonetti,Shane – Wojtkowiak,Ryszard (2390), MDK Malbork, 2007.

12.Re1 b5 13.a4 a6 14.h3 Bh5 15.ab5= ab5 16.e4 de4 17.Ne4 Ne4 18.de4 b4 19.Qc1 bc3 20.Bc3 Bc3 21.Qc3 Ra1 ½–½. "lasker" (2195) – Kingbang (2010), internet, 2007.

12.Re1 Rad8 13.Rc1 d4 (13...Bc7 14.Qa4+=) 14.ed4 (14.cd4 cd4 15.Nd4 Nd4 16.Bg4 Ng4 17.Qg4 Bd2 18.Bd4 f5 19.Qf5 Be1-+) 14...cd4+= 15.Qc2 Bf3 16.Bf1 Qe1 17.Re1 Re1 18.Nf3 dc3 19.Bc3 Bc3 20.Qc3 Rd1 21.Qb3 R8d3 22.Qb7 Rc1 23.g3 Rd7 24.Qc8 Rd8 25.Qa6 Nd5 26.Kg2 Rc5 27.Qa3 Rc3 28.Qa4 h6 29.h3 Rc5 30.Qa3 Ra5 ½–½. Engelhardt,Erhard (2125) – Walther,Joachim (2285), BdF, 2007.

12.Re1 Rad8 13.Qc2 Bc7 14.Qa4 Qd6 15.h3 b5 16.Qc2 Bh5 17.c4 bc4=+ 18.Bf6 Qf6-/+ 19.dc4 d4 20.ed4 Bf4 21.Rad1 cd4 22.a3 h6 23.Nb3 Bc7 24.c5 a5 25.Qb2 Re6 26.Nbd2 Ne5 27.Qb7 d3 (27...d3 28.Bd3 Bf3 29.Nf3 Nf3 30.Qf3 Qf3 31.Bh7 Kh7 32.gf3 Rc6-+) 0–1. Zink,Juergen – Fischer,Gunnar, 2005.

12.Re1 Rad8 13.Qc2 Bf5 14.Ba3 Bc7 15.Qa4 Bd7 16.d4 b6 17.Bb5 Nb8 18.Bd7 Qd7 19.Qd7 Nbd7 20.c4 dc4 21.dc5 b5 22.Nd4=+ Ne5 23.Nb5 Ba5-/+ 24.Nf1 Be1-+ 25.Re1 Nd3 26.Re2 Re6 27.Nd6 Nd7 28.f3 N7c5 29.Nc4 Rc6 30.e4 Na4 31.Nfe3 Nf4 32.Rf2 Rd4 33.Ne5 Rc7 34.Bb2 Nb2 35.Rb2=+ h6 36.g3 Nd3 37.Nd3 Rd3 38.Nd5 Rc1 39.Kf2 Ra3 40.h4 Rd1 41.h5 Rdd3 42.Ne7 Kh7 43.Nf5 Rf3 44.Kg2 Rfd3 45.Rb7 Ra2 46.Kh3 Rad2 47.Ra7 Rd7 48.Ra6 Re2 49.Nd6 Rc2 50.Kg4 Rc5 51.Nf5 g6 52.hg6 fg6 53.Nd6 h5 54.Kf3 Rd8 55.Ra7 Kg8-+ 56.Ra6 Kg7 57.Kg2 Rc2 58.Kh3 Rf8 59.Ra7 Kf6 60.Ra5 Ke7 61.Nb5 Rff2 62.g4 (62.Kh4-+) 0–1. Myrberg,Johnny – Fritz,Harry, corr 3GMM–Final, 2002.

12.h3 Be6 13.Qc2 Bf5 14.c4 d4 15.e4 Bc8 16.Ne1 Rb8 17.f4 Bc7 18.a3 Nd7 19.Bg4 Nb6 20.Bc8 Rbc8 21.g3 ½–½. Skerlik,Stanislav – Bortnik,Eligiusz, EM/MN/064 ICCF Email, 2003.

12.h3 Bh5 13.Rb1 Rab8 14.c4 (14.Re1 Bc7=+) 14...d4 15.e4 h6 16.Nb3 Bc7 17.g3 Bg6 18.Nh4 Bh7 19.f4 (19.Re1 a6=+) 19...g5 (19...Ne4 20.de4 Qe4 21.Bf3=+) 20.Ng2 (20.fg5 hg5 21.Ng2 Nd7=) 20...gf4 (better 20...Ne4!? 21.de4 Qe4=) 21.Nf4+= Kh8 22.Ba3 (22.Bc1 Rg8 23.Kh2 Rg7=) 22...b6 23.Rb2 (23.Bc1 Rg8 24.Qe1 Be5=) 23...Rg8 24.Qe1 h5 25.Bd1 Bf4 (25...Bf5 26.Kh2 (26.ef5? Qe1 27.Re1 Bf4-+; 26.Nh5? Nh5 27.Rf5 Ng3-+) 26...Be6 27.Qf2=) 26.Rf4 Ne5 27.Rd2 Rg3 28.Qg3 Rg8 29.Qg8 (29.Bg4! hg4 30.Qh4 Nf3 31.Rf3 gf3 32.Kf1=+) 29...Ng8-/+ 30.Bc1 Qe6 31.Rh4 (31.Bh5?? Qh6 (31...Qh3?! 32.Rh2 Qg3 33.Rg2 Qd3 34.Bf7-+) 32.Rg2 Qh5-+) 31...Nf6 32.Rf4 (32.Bh5?? Nh5 33.Rf2 Bg6-+) 32...Bg6 33.Rdf2 (33.Bf3 Qh3 34.Bg2 Qe3 35.Rdf2 Qd3 36.Rf6 Ng4 37.Rf7 Nf2 38.Rf2 Be4 39.Be4 Qe4-+) 33...Nd3 34.Rf6 Qe4 35.Bd2 (35.Bf3 Qe5 36.Bg2 Nf2 37.Rf2 Bd3-+) 35...Nf2 36.Rf2 Qe6 37.Bf3 Qc4 38.Bg2 d3 39.Bf3 Kh7 40.Be1 (40.Bg2 Qa4 41.Bc3 Qa3-+) 40...a5 (40...Qe6 41.Bc3 Qh3 42.Bd5-+) 41.Bd2 a4 42.Nc1 Qd4 0–1. Pereira – Lillilu, internet, 2020.

12.h3 Bh5 13.Re1 a6 14.a4 Qd6 15.Qc2 Bc7 16.c4 d4 17.ed4 Nd4 18.Bd4 cd4 19.c5 Qd5 20.a5 Rad8 21.Qc4 Bg6 22.Qb4 (22.Qc2 Rc8 23.Nb3 Nd7+=) 22...Nh5+= 23.Bf1 Re1 24.Ne1 Nf4 25.g3 Ne6 26.Nb3 Rb8 27.Bg2 Qf5 28.Ra2 (28.Nd4? Nd4 (28...Qc5?! 29.Ndc2-/+) 29.Qd4 Be5-+) 28...Qf6 29.Qc4 Bf5 30.Nf3+= Qg6 31.Nc1 Qf6 32.Nh4 h5 33.Nb3 Bh7 34.Nf3 Rd8 35.h4 Qf5 36.Rd2 Qf6 37.Re2 Bf5 38.Re1 Bb8 39.c6 bc6 40.Qa6 Nc7 41.Qb6 Nb5 42.Ng5 Bd3 43.Bc6 Qd6 44.Re8+– Re8 45.Be8 Qb6 46.Bf7 Kf8 47.ab6 Ke7 48.Bh5 Bc4 49.Nd2 Bd5 50.f4 Nc3 51.Bf3 Kd6 52.b7 Ba7 53.Bd5 Kd5 54.f5 Nb5 55.Ne6 Nd6 56.Ng7 d3 57.Kg2 Nb7 58.Kf3 Nd6 59.g4 Nc4 60.Nf1 d2 61.Ke2 Ne5 62.g5 d1Q 63.Kd1 Nf3 64.f6 Nh4 65.Ke2 Bd4 66.Nd2 Ng6 67.Nf3 ½–½. Taulien,Hans_Juergen (2350) – Haas,Uwe (2275), RSX8D–priv–XMAS, 2004.

14.Qa4 b5 (14...Bc7 15.c4=+ (15.Nb3 Bd6 16.Rac1 Ne5 17.d4 Nf3 18.Bf3 c4; 15.Rac1 a6 16.c4 Nb4 17.cd5 Nfd5 18.Qb3 Be6; 15.Ba3 Bd6 16.c4 Qc7 17.Bb2 d4 18.ed4 cd4) 15...Nb4 16.d4 Nc2 17.Nh4 Qd7 18.Qb5 cd4; 14...Qc7 15.Nb3 Bb6 16.Ba3 Na5 17.Bc5 Bc5 18.Qa5 b6) 15.Qb5 (15.Qf4 Bg6=+ 16.Nh4 d4 17.ed4 Nd5 18.Ng6 hg6) 15...Rb8=+ 16.Qc6 Rb2 17.Reb1 (17.Rab1 Bc3 18.Rb2 Bb2) 17...Bc3 18.Rb2 Bb2 19.Rb1 Rb8 20.Nb3 ½–½. Skerlik,Stanislav (2315) – Rak,Peter (2350), WS/MN/080 ICCF, 2012.

14.Qb3 A) 14...Qc7 15.Nh4 (15.Qa3 Bb6 16.Nb3 Qe7 17.Nh4 Be6 18.Nf3 h6; 15.Ba3 Bb6 16.Nh4 Bd7 17.Nhf3 g6 18.c4 Bf5) 15...Bd7 16.Nhf3 h6 17.Qa3 Bb6 18.Nb3 c4; B) 14...b5 15.g4 (15.Nh4 Be6 16.Qc2 Rb8 17.Nhf3 h6 18.Nb3 Bb6) 15...Be6 16.Qc2 Rb8 17.Nb3 Bb6 18.Ng5 Bd7; C) 14...g6 15.Rac1 (15.Rad1 Rd7 16.Ba3 Bc7 17.Nd4 Nd4 18.ed4 b6; 15.a4 Qc7 16.Qb5 Bb6 17.Qb3 Qd6 18.c4 d4) 15...Qd6 16.Rcd1 Bb6 17.Qa3 Qe7 18.Qb3 Na5; D) 14...Bc7 15.c4 Nb4 16.cd5 Nfd5 17.Rac1 b6 18.d4 Nf6; E) 14...h6 15.Ba3 (15.Rac1 Qd6 16.Rcd1 b5 17.e4 Be6 18.Qa3 Bc7) 15...Qd6 16.Rad1 b6 17.Qc2 b5 18.e4 Bg6.

14.Nb3 Bc7=+ 15.d4 (15.Nbd2 b5 16.Nh4 Qd6 17.Nf1 Bd7 18.Ng3 g6; 15.Qd2 h6 16.Nh4 Be6 17.Nf3 c4 18.Nbd4 cd3) 15...c4 16.Nc5 b6 17.Qa4 bc5 18.Qc6 Rc8.

14.Rc1 A) 14...h6 15.Qb3 (15.Nh4 Be6 16.Nhf3 Qd6 17.Qc2 Bb6 18.Ba3 Bf5; 15.Ba3 Bc7 16.Nd4 Bd7 17.Rb1 b6 18.Nb5 Bb8) 15...Qd6 16.Rcd1 b5 17.e4 c4 18.dc4 Ne4; B) 14...Bc7 15.Qb3 b5 16.Qb5 Rb8 17.Qc6 Rb6 18.Qa4 Rb2; C) 14...Qd6 15.Nb3 (15.Ba3 Bc7 16.c4 d4 17.e4 Be6 18.Qb3 b6) 15...Bb6 16.c4 Qe7 17.g4 Bg6 18.g5 Nh5; D) 14...h5 15.Qa4 (15.Nh4 Be6 16.Nhf3 Bc7 17.d4 Ne4 18.Ba3 Bf5; 15.Qb3 Qc7 16.c4 Qb6 17.Bf6 gf6 18.cd5 Ne5) 15...Bc7 16.c4 Ba5 17.Qb3 Ne4 18.Ne4 de4; E) 14...a6 15.Ba3 Bc7 16.Nd4 Bd7 17.Rb1 Bd6 18.Nc6 Bc6.

14.Qc2 h6 15.Qa4 Qd7 16.Bf1 b5 17.Qc2 c4 18.e4 cd3-/+ 19.Bd3 de4 20.Ne4 Ne4 21.Be4 Re4 22.Re4 Qd5 23.Rae1 Be4 24.Re4 Qa2 25.c4 Qa4 26.Qa4 ba4 27.Kf1 Rb8 28.Re2 Rb3 29.Ne1 a3 30.Bc1 Nb4 (30...Nb4 31.Re5 Bb6-/+) 0–1. Kilpatrick,Robert – Stevenson,J, corr ch–SCCA, 1991.

14.Nh4 A) 14...Be6 15.Nhf3 Bc7 16.Ba3 Bf5 17.Nd4 Nd4 18.ed4 b6; B) 14...Bc8 15.Qc2 (15.Nhf3 h6 16.Qa4 Bf5 17.Nh4 Bd7 18.Nhf3 Bc7; 15.Rc1 h6 16.Nhf3 Bf5 17.Ba3 Bc7 18.Nd4 Bg6) 15...Bc7 16.Ba3 Qd6 17.Nhf3 Bf5 18.g4 Bd7; C) 14...Bd7 15.Rb1 (15.Qc2 Qd6 16.Rad1 Bc7 17.Nhf3 h6 18.e4 b6; 15.Rc1 h6 16.Qb3 Qd6 17.Nhf3 Bb6 18.Rcd1 Bf5) 15...Qd6 16.Qc2 b5 17.Nhf3 h6 18.Rbd1 Rc8.

11.a3 Ba5 12.e4 Be6 13.Nb3 Bc7 14.c4 (14.c3 dc3 15.Bc3 b6 16.Qc2 Rad8+=) 14...dc3 (14...Rab8 15.Qc2 Bg4 16.h3 Bf3+=) 15.Bc3 Rad8 (15...b6 16.Qc2 Rad8+=) 16.Qc2 (16.Bf6 gf6 17.Qc2 b6+=) 16...b6 (16...Ng4+=) 17.Nbd2 Ng4 18.Qb2 Bc8 19.Rad1 Ba6 (19...Nge5 20.Rfe1+=) 20.Qc2 (20.Bg7 f6 21.h3 Kg7 22.hg4 Bd3 23.Bd3 Rd3+=) 20...Nge5-/+ 21.Ne5 Be5 22.Be5 Ne5 23.Nb3 Nc6 24.f4 Bb5 25.Qb2 Ba4 26.Rc1 Qd6 27.Nd2 Nd4 28.Bg4 Qg6 29.Bf3 Qh6 30.g3 Bb5 31.Nc4 Bc4 32.Rc4 Qc6 33.a4 Qe6 34.Bd1 Qd6 35.Rc3 Re6 36.Rf2 Rh6 37.e5 Qc6 38.Qa2 Re6-/+ 39.Rf1 Kh8 40.Qg2 Qe8 41.a5 f6 42.ef6 gf6 43.ab6 ab6 44.Ra3 Re1 45.Qd2 Re7 46.Ra6 Qb5 47.Ra2 Qc6 48.Qg2 Qc8 49.g4 b5 50.g5 Qe6 51.Kh1 Rg7 52.Bg4 Qe7 53.h4 b4 54.Rfa1 b3 55.Ra8 Rdg8 56.h5? fg5-+ 57.h6 Rg6 58.Rg8 Rg8 59.Ra8 b2 60.Rg8 Kg8 61.Qb2 gf4 62.Qb8 Kf7 63.Qf4+= Kg6 64.Kg2 Qb7 65.Kh3 Qd5 66.Kg3 ½–½. Bonetti,Shane – Taulien,Hans_Juergen, corr MDK Malbork, 2007.

11.a3 Bd2 12.Nd2 Nd5 -/+.

11.e4 b5 12.a3 Ba5 13.Nb3=+.

11.e4 b5 12.a4 Bd2 13.Nd2 b4=+ 14.Re1 a5 15.Bf1 Ne5 16.g3 Bg4-/+ 17.f3 Bd7 18.Bg2 Ra6 19.h3 g5 20.Rf1 Kh8 21.Kh2 Rg8 22.Nb3 Ne8 23.Bc1 Nc7 24.f4+= gf4 25.Bf4 f6 26.Rf2 Ne6= 27.Bd2 Qg7=+ 28.g4 Ng6 29.Qf3 f5? 30.ef5+– ½–½. Nogues,Pierre – Kovarcik,Gilles (2100), Avoine op, 1995.

11.e4 b5 12.Rb1 Rd8 13.Ne1 (13.Qc1 Bg4=+) 13...a5 (13...Be6 14.a3 Bc3 15.Nef3-/+) 14.f4 (14.Ndf3 a4-/+) 14...c4-/+ 15.dc4 (15.Bc1 Rb8-/+) 15...Bd2 16.Qd2 Ne4 17.Qd3? (better 17.Qc1 b4 18.Bd3-/+) 17...bc4-+ 18.Qc4 (18.Qa3 Qa7 19.Bf3 d3 20.Kh1 Nf2 21.Rf2 Qf2-+) 18…Nb4 (18...Nb4 19.Qb5 Ba6-+) 0-1. Mely (2265) - EHABTAWFEEK (2315), ChessWorld.net, 2016.

11.e4 Bd7 12.Nb3 b5 13.Ne1 (13.Qc1 Rad8+=) 13...Rad8 14.Nf3 a5 15.a4 ba4 16.Ra4 c4 17.Na1? (17.dc4 Ne4 18.Bd3 Nc3 19.Bc3 Bc3-+) 17...Qe6 (17...c3!? 18.Bc1 Ne5 19.Rb4 Nf3 20.Bf3 ab4 21.Bg5-+) 18.dc4 (18.Ng5 Qd6-/+) 18...Ne4-+ 19.Bd3 Qh6 20.Nb3 Bd6 (20...Nc3 21.Bc3 dc3 22.Re1-/+) 21.g3 Bg4 (21...Nc3 22.Bc3 dc3 23.c5-/+) 22.Be4+= Re4 23.Qd3 Rde8 24.c5 Qh5 (24...Bf8 25.Bd4 (25.Nfd4? Bh3 26.Bc3 Nd4 27.Rd4 Bf1 28.Qf1 a4 29.Re4 Re4-+) 25...Qh5 26.Nfd2-/+) 25.Nbd2 (25.Nfd4 Nd4 26.Rd4 Rd4 27.Qd4+= (27.Bd4? Be2 28.Qc3 Bf1 29.Kf1 Qh2-+)) 25...Bf3-/+ 26.Nf3 Bc5 27.Qb5 Qd5 28.Rc4 R4e6-/+ 29.Nd4? Re1-+ 30.Rc5 Rf1 31.Qf1 Qc5 (31...Qc5 32.Qd3 Rd8-+) 0–1. Agrest,Roman – Vocaturo,Daniele, III EUICC Arvier ITA, 2007.

12.a3 Ba5 13.Nb3 Bc7 14.Re1 b5 (14...Rad8 15.Rb1-/+) 15.g3 (15.c3 Na5 16.Nbd2 dc3 17.Bc3 a6=) 15...h6 (15...Rad8 16.Bc1-/+) 16.a4 (16.c3 Na5 17.Nbd2 dc3 18.Bc3 a6=+) 16...a6 17.Bf1 Nd7 18.Bg2 Nb6 19.Ba3 Na4 (19...b4 20.Bb2-/+) 20.Nfd4 Nd4 21.Nd4 Qd8 22.Ne6 Re6 (worse 22...fe6 23.e5 Rb8 24.Bc6=) 23.Bc1 Be5 24.Be3 (24.Ra3 Nc3 25.Qh5 b4-/+) 24...Re8 (24...Ba1 25.Qa1 Qe7 26.Bh3-/+) 25.f4? (better 25.Ra3!?=) 25...Ba1-/+ 26.Qa1 Qa5 27.e5 Rac8 28.Bb7 Rc7 29.Bf3 c4 (29...Ree7 30.h3-/+) 30.d4 b4 31.Rb1 (31.d5 Qb5-/+) 31...Qb5 32.d5 Nc3 (32...Rd7 33.d6-/+) 33.Qc3=+ bc3 34.Rb5 ab5 35.d6 Rd7 36.Bc6 Rd6 (36...Red8 37.Bd7 Rd7 38.Bc5=) 37.Be8 Rd1 38.Kf2 b4 39.Ke2 Rh1 40.Bd7 (40.e6 fe6 41.Bd7 Kf7-+) 40...Rh2 41.Kf3 Rc2 42.f5 White plans e6 42...Ra2 43.e6 fe6 44.fe6 Ra8 45.Bc6 Rc8 46.Bb7 (46.Bd5 Kf8-+) 46...Rf8 (46...Re8 47.Bc6 Re7 48.Ke2-+) 47.Ke2 Rf5 48.Bf4 c2 49.Bc6 c1Q 50.Bc1 Kf8 0–1. Gounant,Stanislas (1800) – Mamrukov,Dmitri (1840), FICGS, 2010.

12.Qc1 Rac8 13.Rd1 (13.Ng5 Bd7+=) 13...Nd7 (13...h6 14.h3+=) 14.Nf1 (14.Nb3 a5+=) 14...b5 (14...f6 15.N1d2-/+) 15.a4 (15.a3 Ba5 16.a4 ba4 17.Ra4 Rb8+=) 15...a6+= 16.ab5 ab5 17.c3 dc3 18.Bc3 Bc3 19.Qc3 Bg4 20.Rdb1 (better is 20.Ne3!? Bf3 21.Bf3+=) 20...Bf3-/+ 21.Bf3 Nde5 22.Be2 (22.Rb5? Nd4 23.Rb2 Qf6-+) 22...b4 23.Qd2 Rcd8 24.Qe3 (24.Ne3!? Qg5 25.Qd1-/+) 24...Nd4-+ 25.Bd1 Nb5 26.Bc2 (better is 26.Rc1!? Nc3 27.Bc2-+) 26...Na3 27.Rc1 Rd4 (27...Nc2 28.Rc2 Nd3 29.Rd1-+) 28.Ng3 Qd7 (28...Nc2?! 29.Rc2 g6 30.Ne2 Rd3 31.Qc5-+) 29.h3 (better is 29.Bb1 Nb1 30.Rcb1 Nd3 31.Ra6-+) 29...Nc2 30.Rc2 Nd3 31.Nf5 (31.Rd1 b3 32.Rc5-+) 31...Rde4 32.Qg5 (32.Qf3 b3 33.Rd2 b2-+) 32...f6 33.Qg3 (33.Nh6 Kf8 34.Qg3 gh6-+) 33...Qf5 34.Ra7 (34.Kh2 b3 35.Ra7 Qe5-+) 34...Qg6 (34...Qg6 35.Rb7 Qg3 36.fg3 c4-+) 0–1. Teichmann,Erik O M C – Karthikeyan,Murali, 39th Barbera Open, 2016.

15.Bc3 Rad8 16.Qc2 b6 17.Qb2 Ng4 18.h3 (18.Nbd2 f6=+) 18...Nge5-/+ Exerts pressure on the backward pawn 19.Ne5 Ne5 20.Nc1 Bh3 (20...Bh3 21.gh3 Qg5 22.Kh1 Qf4=) 0-1. steveberkley (2330) - dewil (2770), ChessWorld.net, 2020.

15.Bc3 Rad8 16.Qc2 b6 17.Rfd1 Ng4 18.h3 Nge5 19.Ne5 (19.Nbd2 f6-/+) 19...Be5-/+ 20.Be5 Ne5 21.f4 (21.Rab1 Nc6-/+) 21...Nc6 22.Bf1 (22.Rf1 Bb3 23.Qb3 Nd4-+) 22...Qc7 (22...Bb3 23.Qb3 Nd4 24.Qa4-+) 23.f5 Bb3 24.Qb3 Rd4 25.Rac1 Red8 26.Be2 Qg3 27.Qc3 Ne5 28.Rd2 (28.Kh1 Nd3 29.Bd3 Rd3-+) 28...Qe3 29.Kf1 (29.Kh1 Nd3 30.Bd3 Rd3 31.Rd3 Rd3-+ (31...Qd3?! 32.Qe5-+)) 29...c4 30.Rcd1 (30.Re1 Qf4 31.Kg1 cd3-+ (31...Nd3?! 32.Bd3 Rd3 33.Rd3 cd3 34.Qb4-+)) 30...Re8 (better 30...cd3!? 31.Bh5-+) 31.Qc2 c3! (31...Nd3?! 32.Bd3 cd3 33.Rd3 Qe4 34.f6-+) 32.Qc3 Re4! 33.Re1 (33.de4 Qc3 Pinning (33...Qc3 Deflection)) 33…Ng4!! (33...Ng4 34.Qg7 Kg7 35.f6 Kf6 36.hg4 Rf4 37.Bf3 Qe1) 0-1. Mely (2305) - Avigdor (2415), ChessWorld.net, 2016.

15.Bc3 Rad8 16.Qc2 b6 17.Nbd2 Ng4 18.Rfd1 Nge5 19.Rab1 Nf3 20.Nf3 Bg4 21.g3 (21.Ne1 Be2 22.Qe2 Be5 23.Be5 Qe5=+) 21...Bf3-/+ 22.Bf3 Be5 23.Bg2 Bc3 24.Qc3 h5 (24...Nd4 25.Rb2-/+) 25.h4 (25.Rb2 Nd4=+) 25...Rd4 (25...Qd6 26.Rb2-/+) 26.f4=+ Red8 27.Bf3 Qd7 28.e5 (28.Bh5? Qh3 (28...Rd3?! 29.Rd3 Qd3 30.Qb3-/+) 29.Rb2 g6-+) 28...Ne7 29.Qe1 Qh3 (worse 29...Rd3 30.Rd3 Qd3 31.Rd1 Qf3 32.Rd8 Kh7 33.Qb1 Ng6 34.Qd3+–) 30.Bg2 Qg4 31.Kh2 (31.Be4 Nf5 32.Kh2 c4-/+) 31...Nf5 (31...Rd3 32.Rd3 Rd3 33.Be4 Ra3 34.Rd1 Ra2 35.Rd2-+) 32.Bh3 Qg6 33.Bf1 c4! 34.Rd2 (34.dc4 Rd1 Combination) 34...Nh6 35.Rb4 Ng4 36.Kg1 b5 (36...cd3!? 37.Bg2 a5-/+) 37.Rb5=+ c3 (better 37...Qa6!? 38.a4 Qa4=+) 38.Rc2+= Rd3 39.Rc3 (39.Bd3 Qd3 40.Rc3 Qb5-+) 39...Rd1 40.Qe2 R8d2 41.Rc8 Kh7 42.Rbb8 Qb6!! 43.Rb6 Re2 44.Rbb8 Rf2 (44...Rf2 45.Rh8 Kg6 46.Rh6 gh6 47.Rb6 ab6 48.f5 Kf5 49.e6 Rdf1) 0–1. Roe,Philip (1915) – Dusk,Jerzy (1970), FICGS, 2013.

17.Rab1 A) 17...h6 18.g3 (18.Nbd2 Ng4 19.h3 Nge5 20.Ne5 Be5 21.Nf3 Bc3; 18.Rfd1 Ng4 19.Qb2 a6 20.h3 Nf6 21.Qc1 Rd7) 18...Bh3 19.Rfe1 Nd7 20.Nbd2 Nde5 21.Ne5 Be5; B) 17...Rc8 18.g3 Ng4 19.Qb2 f5 20.Nbd2 Rcd8 21.Rbe1 f4; C) 17...Ng4 18.Qb2 (18.Nbd2 Nge5 19.Ne5 Be5 20.Be5 Ne5 21.Nf3 Nf3) 18...f6 19.h3 Nge5 20.Ne5 fe5 21.Rfd1 Qg5.

17.Rfb1 A) 17...Ng4 18.Qb2 (18.Rd1 Nge5 19.Nbd2 f6 20.Rab1 Nd4 21.Bd4 cd4) 18...f5 19.h3 Nf6 20.Nbd2 Bf4 21.Rd1 Qf7; B) 17...a6 18.h3 (18.g3 h6 19.Rd1 Rd7 20.Nbd2 b5 21.Bf6 gf6; 18.Re1 Ng4 19.Qb2 h6 20.h3 Nf6 21.a4 Kh7) 18...h6 19.Re1 Bf4 20.Rab1 Bd7 21.Nbd2 b5; C) 17...h6 18.Nbd2 (18.Rd1 Ng4 19.Qb2 Rd7 20.Nbd2 f6 21.h3 Nge5) 18...Ng4 19.h3 Nge5 20.Ne5 Ne5 21.Rd1 Qg5.

17.Qb2 A) 17...Bc8 18.Rfe1 (18.Rfd1 h6 19.a4 Bb7 20.a5 b5 21.a6 Bc8; 18.Nbd2 Ba6 19.Qc2 Qd7 20.Bf6 gf6 21.Nc4 f5) 18...Ba6 19.Rad1 h6 20.Bf6 Qf6 21.Qf6 gf6; B) 17...Bg4 18.Nbd2 Ne5 19.Be5 Be5 20.Ne5 Be2 21.Nc6 Qc7; C) 17...h5 18.Rfd1 (18.Nbd2 a6 19.Rfc1 b5 20.Nb3 Bd6 21.h3 Rc8; 18.h3 Bc8 19.Rfd1 Bf4 20.a4 Be6 21.g3 Bh6) 18...Bc8 19.Rab1 Ne5 20.h3 Ng6 21.Qc2 Nf4; D) 17...Bd7 18.Nbd2 (18.Rab1 Bg4 19.Nbd2 Ne5 20.Be5 Be5 21.Ne5 Be2; 18.Rfe1 Ne5 19.Nbd2 Bg4 20.Be5 Be5 21.Qe5 Qe5) 18...b5 19.Rac1 Bd6 20.h3 a6 21.Rc2 Nh5; E) 17...h6 18.Nbd2 a6 19.a4 Nb4 20.d4 Bf4 21.Rfe1 Bg4; F) 17...Nh5=+ 18.g3 Nf6 19.Rfe1 Bg4 20.Nbd2 a6 21.Qc2 b5.

17.Rad1 A) 17...Ng4 18.Qb2 Nge5 19.Ne5 Be5 20.Be5 Ne5 21.f4 Nc6; B) 17...h5 18.h3 (18.Rfe1 Rd7 19.Qb2 Rc8 20.Nbd2 a6 21.Nc4 b5; 18.Qb2 Bc8 19.h3 Bf4 20.Rfe1 a6 21.g3 Bc7) 18...Bf4 19.g3 Bh6 20.Kg2 Qc7 21.Rfe1 a5; C) 17...h6 18.Nbd2 (18.Rfe1 Ng4 19.Qb2 Nge5 20.Nbd2 f6 21.d4 Nd4; 18.Rb1 Ng4 19.Qb2 Qd6 20.g3 a6 21.Rbc1 b5) 18...a6 19.Rb1 Nh5 20.g3 b5 21.Rfc1 Rc8.

17.Rfd1 Ng4 (17...Rc8 18.g3 (18.h3 h6 19.Nbd2 Nh5 20.Nc4 Bc4 21.dc4 Nf4; 18.Re1 h6 19.g3 Rcd8 20.Nbd2 Ng4 21.Qb2 f6) 18...Bg4 19.Re1 Bd6 20.Qb2 b5 21.Nh4 Be2) 18.Nbd2 (18.Rab1 Nge5=+ 19.Nbd2 Qf6 20.Ne5 Be5 21.Be5 Ne5; 18.Qb2 Nge5 19.Nbd2 Qf6 20.Kh1 h6 21.Nc4 Nc4; 18.g3 Nge5 19.Qb2 Qf6 20.Nfd2 Qh6 21.Nc4 Ng4) 18...f6 (18...Be5 19.Ne5 Nge5 20.f4-/+ Ng4 21.Nc4 Nd4) 19.Rab1 (19.Qb2 Bf7 20.Qb5 Nge5 21.g3 Qe6) 19...Nge5 20.a4 (20.g3 Bf7 21.Kg2 Rd7) 20...Ng6 (20...Nb4 21.Bb4 cb4) 21.g3 Kh8 (21...Nge5 22.Nb3=+) 22.a5 (22.Rdc1 Nge5=+) 22...ba5 23.Qa4 Nb4 (23...Qd7 24.Qa3 Bd6 25.Ba5=+) 24.d4 Bd7 25.Bb5 cd4 (25...Bb6 26.Bd7 Qd7 27.Qd7 Rd7 28.dc5 Bc5 29.Kf1-/+) 26.Nd4= (26.Bd4 Bb6 27.Ba1 Nd3-+; worse 26.Bd4 Bb6 27.Bb6 ab6-/+) 26...Bb6 27.Nf5 (27.Bb4 ab4 28.Nc6 Bc6 29.Bc6 Rf8-/+) 27...Bf2 28.Kg2 (28.Kf2 Qc5 Double attack) 28...Bf5 (28...Bb5 29.Qb5 Qc5 30.Qb7=+) 29.Bb4 (better 29.ef5!? Be3 30.Nf3 (worse 30.fg6 Rd2 31.Rd2 Qe4 32.Kh3 Qf5 33.Kg2 Qb1-/+; 30.Be8 Rd2 31.Rd2 Qe4 32.Kf1 Qf5 33.Ke1 Qb1 34.Rd1 Qf5-+) 30...Rd1 31.Rd1+=) 29...ab4=+ 30.ef5 Rd2! 31.Rd2 (31.Rd2 Qe4 Double attack) 31...Be3 32.Rf1 Bd2 33.Be8 Ne5 34.Bh5 g6 35.Be2 Qb7 36.Kh3 (36.Kf2 Kg7=+) 36...Kg7 37.Qe8 Bc3 38.fg6 hg6 39.Rd1 Qf7 40.Rd8 (better 40.Qd8!?-/+) 40...Qe8-+ 41.Re8 Kf7 (41...a5 42.Bd1-+) 42.Rb8-/+ Ke6 43.Rb5 Kd6 44.Kg2 Nd7 45.Ra5 Bd4 46.Bd1 (46.Bf3 Bb6 47.Rd5 Ke6-/+) 46...Ne5 47.Kf1 (47.Ra4 Bc5-+) 47...Bb6 48.Rb5 Nc6 49.Ba4 (49.h4 Bc5-+) 49...f5 (49...Bc5 50.h3-+) 50.h4-/+ Bc5 51.Rb7 Kd5 (51...Ne5 52.Rb8-/+) 52.Ke2 a5 (52...Ne7 53.Kd3-/+) 53.Kd2 (53.Bc6!? Kc6 54.Rg7-/+) 53...Nd4 54.Kd3 Nf3 55.Rb5 Ne5 56.Kc2 (56.Ke2 Nc6 57.Rb7 Bd6-/+) 56...Nc6 (56...Nc4!? 57.Bb3 a4 58.Ba4 Na3 59.Kb3 Nb5 60.Bb5-/+) 57.Kd3 Ne5 58.Kc2 Nc4 59.Rb8 Ne5 ½–½. Wolf,Wolfgang (2285) – Bergmann,Michael (2200), GER–ch37 V8 email, 2005.

17.Rfe1 A) 17...Ng4 18.h3 (18.Qb2 Bb3 19.Qb3 Nge5 20.Rad1 Nf3 21.Bf3 Be5) 18...Nge5 19.Rab1 Nf3 20.Bf3 Qg5 21.Bd2 Qe5; B) 17...Rd7 18.h3 (18.Rad1 a5 19.a4 h6 20.d4 Bb3 21.Qb3 cd4; 18.Rab1 a6 19.Nbd2 b5 20.Nb3 Rc8 21.h3 h6) 18...Bf4 19.Nbd2 Rb8 20.Bb2 Rc7 21.a4 Nd4; C) 17...a6 18.Rad1 (18.g3 Ng4 19.Qb2 b5 20.h3 Nge5 21.Ne5 Be5) 18...h6 19.g3 Bg4 20.Nbd2 b5 21.Bf6 Qf6; D) 17...h6 18.g3 (18.Nbd2 Ng4 19.Qb2 f6 20.Rad1 Bf7 21.Nf1 Nge5; 18.Rad1 Rc8 19.Qb2 a6 20.g3 Rcd8 21.Nh4 b5) 18...a6 19.Nbd2 Bh3 20.Qa4 Bd7 21.Qa6 Ra8.

10.c3 (10.c3 Ba5 11.Nbd2+=). Woelfelschneider,Peter (1760) – Beutel,Heinrich (1700), T16–01 TSC, 2002.

10.Nbd2 Ba5 11.c4 Bc7 (11...d4!? 12.Nb3 de3=+) 12.Bf6+= gf6 (12...Qf6 13.cd5 Ne5 14.d4 Nf3 15.Nf3+=) 13.cd5+/- Qd5 14.e4 Qe6 15.Re1 (better 15.ef5!? Qe2 16.Ne4 Re4 17.de4 Qe4 18.Qb1 Qb1 19.Rab1+/-) 15...Bg6 16.Rc1 b6 (16...Bd6 17.Qb3=) 17.Qb3 (better 17.d4!? Na5 18.dc5 Qa2 19.Bb5+/-) 17...Qd6 18.g3 (18.Nc4 Qe6=) 18...Qd7 (18...f5 19.Qc2=+) 19.Nh4 (19.Qb5 f5=) 19...Be5 20.f4 Bd4 21.Kh1 f5 22.ef5 Bf5 23.Nf5 Qf5 24.Bf3 Re1 25.Re1 Rc8 26.Qd5 Qd5 27.Bd5 Nb4 28.Bc4 Nc2?? (better 28...Bc3 29.Re2 Bd2 30.Rd2 Rb8=+) 29.Re7+- Rf8 30.Ra7 Ne3 31.Bb3 b5 (better 31...Ng4+-) 32.Ne4?? (better 32.Nf3+-) 32...c4-/+ 33.dc4 (33.Rd7 cb3 34.ab3 Ra8-/+) 33...Ba7-+ 34.cb5 Rd8 35.h4 (35.h3 Kg7 36.g4 Rd4-+) 35...Nf5 (35...Rd4!? 36.Ng5 Rd2 37.Ne4-+) 36.Kg2 (36.Kh2 Kg7 37.Kh3 Rd4-+) 36...Rd3-+ 37.Kh3 (37.h5 Kf8-+) 37...Re3 (37...Ng3 38.Ng3 Bf2 39.h5-+) 38.Kg4 (38.Bd5 Bd4-+) 38...Re4 39.Kf5 Re3 (better 39...Rb4-+) 40.g4-/+ h5 (40...Rf3 41.Ke4 Rf2 42.f5-/+) 41.gh5=+ Bb8 (41...Rf3 42.Ke4 Rf2 43.a4-/+) 42.h6 (better 42.Kf6!?=) 42...Rf3-/+ 43.h7 (43.Kg5!? Rf4 44.a4-/+) 43...Kg7 44.Bf7?? (44.h8B Kh8 45.Kg5-+) 44...Rf4 45.Ke6 Rf6 46.Ke7 Rh6 (better 46...Rf7 47.Ke8 Ra7-+) 47.h8Q (better 47.h5!? Bd6 48.Ke8 Rh7 49.Bg6 Rh8 50.Kd7=) 47...Rh8-/+ 48.Be6 (48.h5 Rc8 49.Bg6 Rc5-/+) 48...Rf8 (better 48...Rh4!? 49.Kd7 Rd4 50.Kc8 Kf6-+) 49.Bd7 Rf6 0-1. Jurekszach (2265) - zumpili (2255), Rated Bullet game, lichess.org, 2019.

10.Nbd2 Ba5 11.c4 d4 12.e4 Bd7 (12...Bg4 13.Rb1=+) 13.Rb1 (13.Nb3 Qb6=) 13...Bc7 14.g3 (14.Re1 Qe7=+) 14...b6 15.Nh4 Ne5 16.Bc1 Bh3 17.Ng2 Qd7 18.f3 Ng6 19.Rf2 (19.f4 Ng4=+) 19...h5 (19...Re7 20.Nb3-/+) 20.f4 (20.Nb3 Bd6=+) 20...Ng4 21.Bg4 Bg4 22.Qf1 h4 23.Nh4 (23.Nh4 Nh4 Combination; 23.gh4 Bh3 Combination) 23...Nh4 24.gh4 Bh3 25.Qe2 Bg4 26.Qf1 Bh3 27.Qe2 Re6 (27...f5 28.e5=) 28.Nf3 White plans e5 (28.f5 Rh6=) 28...Rg6 29.Kh1 Bg4 (29...Re8 30.Qc2=+) 30.Bd2 (30.f5 Rc6=) 30...Rf6 (30...Rh6 31.Rg1=+) 31.e5 (31.f5 Bh5=) 31...Rh6 32.Rg1 Bh5 (32...Re8 33.Rfg2 f5 34.Qf2=) 33.Qe4 Re8 34.Rg5 (34.Rfg2 Rg6=) 34...f6 (34...Bd8 35.Rg3=+) 35.Rg1= Bf3 36.Qf3 fe5 (36...Rh4? 37.Rfg2 g5 A) 38.fg5?! fe5 39.Rf1 e4 40.de4 Bd6+/- (40...Rhe4?? 41.g6 Bf4 42.Bf4+-); B) 38.ef6+-) 37.fe5 Rh7 (better 37...Rhe6!?=+) 38.Bf4+= Rf8 39.Qg3 (39.Qb7 Rf7 40.Rgf1 Qe8+/-) 39...Qf5 40.Rgf1 Qe6 (40...Re8 41.Qf3+=) 41.Qg2 (41.h5 Re8 42.h6 a6+/-) 41...Rh4 (41...Re8 42.Bg3+=) 42.Bg3 (42.Bh6 Rh2 43.Qh2 Rf2 44.Rf2 (worse 44.Qf2 Qh6 45.Kg2 Qg6 46.Qg3 Qg3 47.Kg3 Be5 48.Kf3 Kf7=) 44...Qh6 45.Qh6 gh6 46.e6+-) 42...Rf2= 43.Rf2 Rh5 Will e5 fall? 44.Qa8 Kh7 45.Qe4 (45.Rf8 Be5 46.Rh8 Kg6 47.Rh5 Bg3+=) 45...Kg8= 46.Kg2 (46.Re2 a5+=) 46...Qh3 (worse 46...Be5 47.h4+/-) 47.Kg1 Rg5 48.Qd5 Kh7 49.Qe4 Kh6?? (49...Kg8 50.Re2 Qh5= (worse 50...Rg3 51.hg3 Qg3 52.Kf1+-)) 50.Rg2?? (better 50.Qc6 Rg6 51.Qc7 Rg3 52.hg3 Qg3 53.Kf1 Qd3 54.Kg2 Qe4 55.Kg3 Qe3 56.Rf3 Qg1 57.Kh3 Qh1 58.Kg4 Qg2 59.Rg3 Qe4 60.Kh3 Qh1 61.Kg4 Qe4 62.Kh3 Qh1 63.Kg4 Qe4=) 50...Kh5?? (better 50...Be5 51.Qc6 Kh7-+) 51.Qh7+- Kg4 52.Bh4 Qg2 53.Kg2 Rh5 54.Qe4 1-0. bjoernsen (2300) - topce (2320), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Rc8 11.a3 (11.Nb3 c4 12.dc4 dc4 13.Bc4 Qd1 14.Rad1 Bc2=) 11...Ba5 12.c4 d4 13.e4 Bd7 (13...Qe7 14.Nb3 Bc7 15.Nfd2=) 14.Ne1 (14.Nb3 Bb6=) 14...a6 15.a4 Nb4 (better 15...Bc3!? 16.Qc2 Qc7=+) 16.Nb3+= Bb6 (16...g6 17.f4 Bc6 18.Rf2+= (worse 18.Nc5 Bb6-/+)) 17.f4 Bc6 18.h3 (18.a5 Ba7+=) 18...Ba7 (18...Qe7 19.a5 Bc7 20.Nd2=) 19.Nf3 (19.e5 Nd7 20.Bg4 g6=) 19...Nd7= 20.Bc1 (20.a5 b5 21.ab6 Bb6=) 20...Bb8 (20...a5 21.Bb2=) 21.Bd2 (21.a5!?+=) 21...a5= 22.g3 (22.Bc1 Bc7=+) 22...b6=+ 23.Kh2 (23.Nh4 g6=+) 23...f6 24.Nh4 Nf8 25.Nf5 (25.Qb1 Ne6=+) 25...g6 (25...Ne6 26.Qb1=+) 26.Nh6 (26.Nh4 Bd6=+) 26...Kg7-/+ 27.Ng4 f5 28.Ne5? (better 28.Nf2!?-/+) 28...Be5-+ (28...fe4 29.Nc6 Nc6 30.de4 Re4 31.Bg4=) 29.fe5 Re5 (29...fe4!? 30.de4 Nd7 31.Bg4 Re5 32.h4-+) 30.ef5 (30.Bf4 Re8 31.ef5 gf5-/+) 30...Rf5-/+ 31.Rf5 gf5 32.Bf4? (32.Bb4!? ab4 33.a5-/+) 32...Ng6-+ 33.Qd2 (33.Bd2 Qd6 34.Qc1 Re8 35.Bh6 Kh8-+) 33...Qd7 (better 33...Nf4!? 34.Qf4 Qe7 35.Bf1-+) 34.Bh6 Kh8 35.Rf1 Re8 (better 35...Ba4 36.Nc1 Qe6-+) 36.Bf3?? (36.Nc1!?-/+) 36...Ba4 (better 36...Bf3 37.Rf3 Ne5 38.Rf1-+) 37.Nc1 Ne5 (37...b5!? 38.cb5 Bb5 39.Qg5-+) 38.Bh5 Rg8 39.Qf4 (39.Re1 Ng6-+) 39...Ned3 40.Nd3 Nd3 41.Qf5 Qf5 42.Rf5 Bb3 (better 42...Bc6 43.Rf6 Be4-+) 43.Rf3?? (better 43.Bf7 Rg6! 44.Bg6 hg6 45.Rf8 Kh7 46.Bg5-+) 43...Bc4-+ 44.Bf7 (44.Rf1 b5 45.Be2 a4 46.Bd3 Bd3-+) 44...Ne5 45.Bg8 (45.Bc4 Nf3 46.Kg2-+) 45...Nf3 (45...Bg8?! 46.Rf6=+) 46.Kg2 Kg8 (46...Ne1 47.Kf2 Nd3 48.Ke2 Kg8 49.Bg5 a4 50.Kf3 a3 51.Ke4 a2 52.Kf3 a1Q 53.Kg4 Qd1 54.Kf5 Qh5 55.h4 Bd5 56.g4 Qg6) 47.Kf3 Bd5 48.Ke2 Kf7 49.Bf4 a4 50.Kd3 (50.Bc1-+) 50...b5 Black prepares the advance c4 (better 50...a3 51.Bc1 a2-+) 51.Bd6 c4 (better 51...Bc4 52.Kc2 Ke6 53.Bc5 Kd5-+) 52.Kd4-/+ Bg2 (52...Be6 53.h4-/+) 53.h4 (53.Kc5 Ke6 54.Bf8 a3 55.Kb5 c3=) 53...Ke6 (53...Bh3 54.Bb4-/+) 54.Bb4=+ Kf5 (54...Bc6!?=+) 55.Kc5= Kg4 56.Kb5 Kg3 57.Kc4 Kh4 58.Be7 Kg4 59.Kb5 h5 60.Ka4 h4 61.Bh4 Kh4 ½-½. Butterbrot (1820) - FraGer68 (2450), Rated Blitz game, lichess.org, 2015.

10.Nbd2 d4 11.a3 Ba5 12.Nb3 Bb6 13.e4 (13.Qd2 Bg4 14.ed4 cd4 15.Rfe1 Rc8 16.Qf4 Ba5 17.Na5 Qa5 18.Kf1=) 13...Bc8 (13...Be6 A) 14.Ng5 Qd6 (14...Bd7 15.c3 dc3 16.Bc3 Qe7 17.Nf3 Rad8 18.Rc1=; 14...Rc8 15.c3 Bd7 16.cd4 cd4 17.Nf3 Be6 18.Ng5=; 14...Bc8 15.c3 dc3 16.Bc3 h6 17.Nf3 c4 18.dc4=+) 15.Ne6 Re6 16.f4 c4 17.e5 Ne5 18.fe5-/+; B) 14.Re1 Qd6 15.Rc1 Rad8 16.Nbd2 Ba5 17.Ng5 Qf4 18.Ne6-/+; C) 14.Rb1 Qd6 (14...Rc8) 15.c3 dc3 16.Bc3 Ng4 17.Qd2 Rad8 18.Na5=+; D) 14.Rc1 Qd6 15.c3 dc3 16.Bc3 Rad8 17.Ng5 Ne5 18.Ne6=+; E) 14.c3 Qd6 15.Rc1 dc3 16.Rc3 Rad8 17.Ng5 Bb3 18.Qb3=) 14.a4 (14.Rc1 Be6 (14...Qd6 15.c3 Be6 16.cd4 cd4 17.Ng5 Bd7 18.f4=) 15.Ng5 Qd6 16.Ne6 Re6 17.c3 dc3 18.Rc3=; 14.Rb1 Qd6 (14...Qe7) 15.c3 Be6 16.Qc2 Rac8 17.Rfc1 Ne5 18.Ne5=+; 14.Re1 Be6 (14...Qd6) 15.Ng5 Bb3 16.cb3 Ba5 17.Rf1 Bc3 18.Qc2=+) 14...Qd6 (14...Be6 15.c3 dc3 16.Bc3 Nh5 17.Bd2 Qd6 18.Rc1=+) 15.c3 dc3 16.Bc3 Nh5 (16...Be6 17.e5 Qd5 18.ef6+=) 17.g3 (17.a5 Bc7 18.e5=) 17...Bh3 18.Re1 Bd8 19.Rc1 a6 (better is 19...Rc8!?=) 20.Bb2 b6 21.d4 cd4 22.Nfd4 (22.Nbd4?! Nd4 23.Qd4 Qh6+=) 22...Nd4 23.Bh5 g6 24.Nd4 gh5 25.Qh5 Bd7 26.Nf5 Qg6 27.Nh6 Kf8 28.Qd5 Be7 29.Qd7 Qh6 30.Rc6 Qg5 31.Qd5 b5 32.Qg5 Bg5 33.ab5 ab5 34.Rc5 Ra2 35.Rb5 Be7 36.Rd1 Rc8 37.Kg2 Ra4 38.Rd4 Raa8 39.Rd7 Rab8 40.Rb8 Rb8 41.Be5 Rb3 42.Bd6 Bd6 43.Rd6 Rb4 44.Kf3 (44.Kf3 Rb3 45.Ke2 Rb2 46.Ke3 Rb3 47.Rd3+–) 1–0. Guilloux,Y – Hlavacek,L, IECG, 2004.

10.Nbd2 d4 11.a3 Ba5 12.Nb3 de3 13.fe3 -/+.

10.Nbd2 d4 11.a3 Ba5 12.e4 Qe7 13.Nb3 Bb6 14.Nfd2 Be6 15.f4 a5 16.a4 Nb4 17.f5 Bd5 18.Re1 c4 19.ed5 cb3 20.cb3 Nfd5 21.Nc4 Nc3 22.Qd2 Ne2-/+ 23.Kf1 Qf6 24.Re2 Qf5 25.Rf2 Qg6 26.Rf3 Rad8 27.Rg3 Qf5 28.Rf3 Qe6 29.Kg1 Bc7 30.Raf1 f6 31.R3f2 Qg4 32.Rf3 Re6 33.Qf2 Qg6 34.Rd1 Qe8 35.h3 Re2 36.Qf1 Rd7 37.Rf2 Re6 (37...Re6 38.Rf5 Rde7-/+) 0–1. Gardner,Allan (2245) – Maec,Michael (2295), BCCA vs. RS, 2005.

10.Nbd2 Qd6 11.c4 (11.Nb3 b6=) 11...dc4 (better is 11...Rad8!?+=) 12.Nc4+= Qe7 13.a3 Ba5 14.Na5 Na5 15.Qa4 Nc6 16.Rac1 Nd7 (16...Rad8!?+=) 17.Qf4 Bg6 18.Nh4 Rac8 19.Qg3 Nf6 20.Ng6 hg6 21.Rc4 Nd4 22.Bd1 b5 23.Rc1 Nf5 24.Qh3 c4 (24...Qe6 25.e4 Nd4 26.Qe6 Ne6 27.e5=) 25.e4+= Nh6 26.Bb3 Rb8 27.dc4 bc4 28.Bf6 Qf6 29.Rc4 Qb2 30.Bc2 Qb6 31.Qg3 Rec8 32.Rb4+– Qd8 33.Rd1 Qe8 34.Rb8 Rb8 35.h3 Rc8 36.Qd3 Kh7 37.Bb3 Rb8 38.Bd5 Qe5 39.Qe3 Qc7 40.Rc1 Qa5 41.g4 f6 42.Kg2 Rb2 43.Rc5 Qb6 44.Qc3 Rb1?? 45.Rc7 Qa6 46.Bc4 Qb6 47.Rc6! Qb7 48.Bd5 Qb5 49.Bc4 Qb7 50.a4 Rb4? 51.Bd5 Qb8 52.g5! fg5 53.Rc7 Rd4 54.Rg7!! Kg7 55.Qd4 Kh7 56.Be6 a6 57.a5 Qb5 58.Qd5 Qe2 59.Bc8 Ng8 60.Qf7 Kh8 61.Qg6 Qb2 62.Qa6 Qe5 63.Bf5 Nf6 64.Qe6 Qa1 65.e5 (65.e5 g4 66.Qf6 Kg8 67.Qd8 Kf7 68.e6 Kg7 69.Qg5 Kf8 70.e7 Kf7 71.Bg6 Kg7 72.Bh5 Kh7 73.Qg6 Kh8 74.e8Q) 1–0. Osmak,Iulija (2045) – Bluhm,Sonja Maria (1870), European Youth Ch Girls U14, 2011.

10.Nbd2 Qe7 11.a3 Ba5 12.Nb3 Bc7 13.Re1 Bd6 14.Nbd2 Ng4 15.c4 d4 16.ed4 Nd4 17.Bd4 cd4 18.Nb3 Bd7 19.Qc1 Qf6 20.h3 Bh2 21.Kf1 Bf4 22.Qc2 Qh6 23.Nc5 Bc6-/+ 24.Kg1 Nh2 25.Nh2 Bh2 26.Kh2 Qd6 27.Kg1 Qc5 28.Qd2 Qf5 29.Bf1 b6 30.Re8 Re8 31.Re1 Re1 32.Qe1 Kf8 33.Qb4 Qc5 34.Qd2 a5 35.Qb2 b5-/+ 36.cb5 Bb5 37.f4 h6 38.g3 a4 39.Be2 Ke7 40.Kf2 g5 41.h4 gh4 42.gh4 Kd6 43.Kg3 Kd7 44.Bg4 Kd8 45.Be2 Kc7 46.Qa2 Qf5 47.Qd2 Bd7 48.Kf2 Kc8 49.Qc1 Kd8 50.Qd2 Bc6 51.Bf3 Bf3 52.Kf3 h5 53.Qc2 Qe6 54.Qb2 Qe3-+ 55.Kg2 Qf4 56.Qb6 Ke7 57.Qc5 Ke6 58.Qc8 Kf6 59.Qh8 Ke7 60.Qh5 Qd2 ½–½. smurilo – pierre, ChessHere.com, 2006.

10.Nbd2 Qe7 11.Nb3= d4 12.a3 Bc3 13.Bc3 dc3 14.Qe1 Nd5 15.Kh1 Rad8 16.Nc1 Bg4=+ 17.Ng1 Be6 18.Na2 Qf6 19.Bf3 Ne5 20.Bd5 Bd5 21.Nc3 Bc6 22.f3 Qe7 23.Nge2 Nd7 24.e4 ½–½. Pagni,Carlo – Lezcano, corr 3GMM–55, 1997.

10.Nbd2 Qe7 11.Nb3 d4 12.a3 Bc3 13.Bc3 dc3 14.e4 (14.Nc1 b5=+) 14...Rad8 (14...Bg4 15.Qe1 c4 16.Nbd4 Nd4 17.Nd4-/+) 15.ef5 Qe2 16.Re1 (16.Nc5 Qe7 17.Na4 Nd5=) 16...Qd1=+ 17.Rad1 Rd5 18.Re8 Ne8 19.Re1 Nf6 20.g4 h6 21.h3 b5 22.Ra1 Kh7 23.Kg2 a5 24.a4 c4 25.Nc1 cd3 26.Nd3 b4 27.Nf4 Rd7 28.g5? hg5-+ 29.Ng5 Kh6 30.h4 Nd4 31.Rd1 Nc2 32.Rd7 Nd7 33.Nf7 Kh7 34.Ng5 Kg8 35.Ne4 Nd4 36.Nd3 c2 37.Nd2 Nc5!! 38.Nc1 b3 39.Nc4 Na4 (39...Na4 40.f6 gf6-+) 0–1. Bigalke,A – Schulz,Wo, Open A Hamburg GER, 2005.

11.a4 Qe7 (11...d4 12.ed4 cd4 13.Rb1-/+) 12.Re1 Rad8 13.c3 Ba5 14.Nb3 Bc7 15.Ba3 b6 16.d4 (16.Nbd4 Bd7=) 16...Ne4 17.Qc1 Bd6 18.c4 dc4 19.Bc4 Bg4 20.Nbd2 (20.Bb5!? Rc8 21.Nfd2 Nd2 22.Qd2=+) 20...Nd2-/+ 21.Nd2 cd4 22.Bd6 (22.Bb5 Ba3 (worse 22...de3 23.Re3 Bh2 24.Kh2 Qh4 25.Kg1 Re3 26.fe3+=) 23.Ra3 Rc8-/+) 22...Qd6 23.ed4 Nd4 24.Ne4 (24.Re8!? Re8 25.Nb3-+) 24...Qg6 25.Bd3?? (25.Nd2-+) 25…Bf3 (25...Bf3 26.Ng3 Re1 (worse 26...Qd3 27.Re8 Re8 28.gf3-+) 27.Qe1 Qd3-+) 0-1. Mely (2235) - La Vache (2385), ChessWorld.net, 2016.

11.Nb3= Na5 12.c3 Nb3= 13.ab3 Ba5 14.c4 (14.Qc2 Bc7 15.c4 dc4 16.bc4 Bd7 17.g3 Bc6) 14...dc4 (14...Bb4 15.Bf6 gf6 16.Nh4 Bg6 17.Bf3 dc4) 15.bc4 Bb6 (15...Bc7 16.Qb3 a5 17.h3 Qd7) 16.Ne1 (16.Qb3 Qe7+= (16...Qc7 17.Bf6 gf6) 17.h3 Rac8; 16.e4 Qe7 17.Qd2 Bh7) 16...Qe7 (16...Bc7 17.e4 Qe7) 17.Bf3 (17.Qb3 Bc7) 17...Rad8 (17...Reb8 18.Qb3=) 18.Bf6+= gf6 19.Bd5 Kh7 (19...Be6!?+=) 20.Qf3+/- Qe5 21.Rb1 (21.Ra3 Bc7 22.g3 Bh3+–) 21...Bc7 (21...Re7 22.Bb7 Bc7 23.g3+/-) 22.g3 Bh3 23.Ng2 (23.Bf7?! Re7 24.Bd5 Bf1 25.Kf1 b6=) 23...b6 24.Bf7 Re7 25.Bd5 f5 (25...Qg5 26.Qe2 Bd6+/-) 26.Qd1 (better is 26.Qh5!? Bg4 27.Qh4+/-) 26...Rd5+= 27.cd5 Qd5 28.Nh4 Bf1 29.Qf1 Rd7 30.Rd1 a5 31.d4 c4 32.Qe2 Bd8 33.Ng2 b5 34.Nf4 Qf7 35.d5 Bf6 36.e4 Be5 37.Ne6+= Kg8 38.f4 Bc3+= 39.e5 a4 40.Ng5 Qe8 41.e6 hg5+= 42.Qf3 b4 43.ed7+= Qd7 44.d6 a3 45.fg5 Kg7 46.Qe2 Kg6 47.Qc4 Qa7? 48.Kg2 a2 49.Qe6 Kg7 50.Qh6 Kg8 51.d7 (51.d7 Qa8 52.Kh3+–) 1–0. Ivanets,Vladimir (2290) – Weinwurm,Wolfgang (2125), Wch–Seniors, Lignano Sabbiadoro ITA, 2005.

11.Nb3 c4 12.dc4 dc4 13.Bc4 Qd1 14.Rad1 Bc2 =.

11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5+=.

11.c4 Bd2 12.Qd2= dc4 13.dc4 Qd2 14.Nd2 Rad8 15.Nb3 b6 ½–½. Mamuzic,Mirko (2250) – Kosa,Jeno (2105), Backa Topola, 2010.

11.c4 d4 12.e4 Bh7 13.Rb1 Ba5 14.Nb3 Bb6 15.Bc1 Qe7 16.g3? (16.Re1 Bc7=) 16...Nd7 (16...Ne4!? 17.de4 Qe4-/+ (17...Be4?! 18.Bd3+=)) 17.Nh4 Nde5 (17...f5!? 18.f3 Bc7=+) 18.f4= Ng6 (18...Nc4 19.dc4 Qe4 20.Rb2=+) 19.Nf3 (19.Ng6 fg6 20.Bf3 Rf8+=) 19...Nf8= 20.Kh1 (20.Re1 Nd7=) 20...Nd7 21.Rf2 Bg6 (21...f5 22.e5=) 22.Nh4= Bh7 23.Bg4 (23.Nf3=) 23...Bc7 (better 23...Nf6!? 24.Nf5 Bf5 25.Bf5 g6=+) 24.Bd7+= Qd7 25.Nc5 Qe7 26.Nb3 (26.Ba3 Bb6 27.Rb5 Qc7+/-) 26...a5 (better 26...Be4!? 27.Nf3 Bf3 28.Qf3 Rac8=+) 27.Nd2 a4 (27...Nb4 28.Qb3+=) 28.Rb7+/- 1-0. bjoernsen (2400) - RMortensen88 (2140), Rated Blitz game, lichess.org, 2016.

11.h3 Ba5 12.Nb3 Bb6 13.Rc1 Be6 14.Ba3 (14.Qd2 Rc8+=) 14...Nd7 15.c4 dc4 16.dc4 a5 (16...Qf6!?+=) 17.Qc2= a4 18.Nbd2 Nb4 19.Bb4 (19.Qb1!?+=) 19...cb4= 20.Rfd1 Qe7 21.Bd3 Nc5 22.Nd4 Red8 (22...Nd3 23.Qd3 Rad8+=) 23.Ne4? (23.Bh7 Kh8 24.Bf5 Bf5 25.Nf5 Qe5+=) 23...Nd3 (23...b3 24.ab3 ab3-/+) 24.Qd3+= b3 (24...Rac8 25.Ng3+=) 25.ab3 ab3 (better is 25...Bd4!? 26.ed4 Bf5=) 26.Qb3+= Bd4 27.Rd4 Bh3= 28.Rcd1 Rd4+= 29.Rd4 Ra1 30.Kh2 Bd7 31.Ng3 Bc6 32.Rg4 Qe5 33.f4 Qa5 34.Qb2 g6 35.Qd4?? Ra2 36.e4-/+ Qd2 37.Qd2 Rd2 38.Nh5 Rc2 39.Nf6 Kg7-+ 40.Nd5? Rc4 0–1. Djurisic,Dusan – Pantovic,D (2145), 21st Belgrade Trophy, Obrenovac SRB, 2008.

10.Nbd2 b5 11.a4 a6 12.ab5 ab5 13.Ra8 Qa8 14.Bf6 (14.h3 Bd7=) 14...gf6+= 15.h3 Bh5 (15...Be6 16.c4+=) 16.g4 (16.Nb3 Qa7=) 16...Bg6+= 17.Nb3 Qa2 18.Kh1 (18.Nh4 c4 19.Nc1 Qa4+=) 18...Qb2 19.h4 h6 20.Qb1 Qc3 (20...Qb1 21.Rb1 d4 22.e4+=) 21.Nc1 (21.Qa2!?+=) 21...Ra8-/+ 22.Na2 Qa3 23.Nb4 Nb4 (worse is 23...Qb4 24.Kh2=; 23...cb4?! 24.h5 Bh7 25.Nh4=) 24.Rc1 (24.Kg2!?-/+) 24...Na2-+ 25.Rg1 Nc3 26.Qf1 Qb2 27.Ne1 c4 (27...Qc1 28.g5 hg5 29.hg5-+) 28.g5 (28.h5!? Bh7 29.f4-/+) 28...hg5-/+ 29.hg5 Ne2 (29...Kg7 30.gf6 Kf6 31.Bg4 cd3 32.cd3 Rh8 33.Kg2-+) 30.Qe2+= Kg7 31.gf6 Qf6 32.Rg2? (better is 32.Rg3!?+=) 32...Ra1-+ 33.f4 0–1. Cottarelli,Franco (1885) – Casagrande,Fabio (2010), Open Internazionale, 2010.

10.Nbd2 Rc8 11.Rb1 Ba5 12.Bf6 Qf6 13.Rb7 Bb6 14.c4 Na5 15.Rb6 ab6 16.cd5 Bf3 (16...Rcd8 17.Qa4 Bd7 18.Qh4=) 17.Bf3+= c4 (17...Red8 18.Be4+=) 18.dc4 (18.Bg4!? Rcd8 19.dc4+/-) 18...Nc4= 19.Ne4 (19.Bg4 Nd2 20.Qd2 Rc4+=) 19...Qe5 20.Qd3 Red8 21.Ng3 (21.Rc1 b5=) 21...Nd6 (21...Qb2 22.Rd1=) 22.e4 f6 (22...Rc3 23.Qb1=) 23.Rb1 b5 24.h4 (24.Ne2 Rc4 25.Rb5 Ra8=) 24...Qc3 (24...Ra8 25.Qd2=) 25.Qf1 (25.Qc3 Rc3 26.Bd1 Ra8+=) 25...Ra8 26.Bg4 (26.Qe2!?=) 26...Ra2=+ 27.Be6 Kh8 28.h5 h6 (28...Qd2 29.Qe1 Qf4 30.Qe3 Qe3 31.fe3-/+) 29.Ne2 (29.Qc1 Qd4 30.Qe1 Rb8=+) 29...Qd3 30.Nf4 (30.Ng3 Qd2=+) 30...Qf1 (30...Qe4 31.Ng6 Kh7 32.Re1-+) 31.Kf1-/+ Ne4 32.Ng6 (32.Kg1 Nd6-/+ (32...Rf2 33.Ng6 Kh7 34.Re1+/-; worse 32...Nf2 33.d6 Rd2 34.Rb5=+)) 32...Kh7 33.Rb5?? (33.Nf8 Rf8 34.Bf5 Kh8 35.Be4 f5-+) 33...Rf2 (better 33...Nc3 34.Rb1 Nb1-+) 34.Kg1-/+ Ra8 (34...Ra2 35.Kh2-/+) 35.Rb4 (35.d6 Re2 36.d7 Nd6=+) 35...Re2-/+ 36.Bf5 Re1 37.Kh2 Nd6 38.Bd3 Kg8 39.Rb6 Rd8 40.Rc6 (40.Nf4 Kf7-/+) 40...Re3 41.Bc2 Nf7 42.Rc7 (42.Re6 Ne5 43.Bf5=+) 42...Re2 (42...Rd5!? 43.Ne7 Re7 44.Re7 Rh5 45.Kg1 Kf8-+) 43.Bb3 (43.Nf4 Re5=) 43...Nd6 44.Ne7 Kh7 (44...Kh8 45.Bd1 Nb5 46.Rb7-/+) 45.Nc6 (45.Bc2 f5 46.Bf5 Nf5 47.Nf5 Rd5 48.Rg7 Kh8=+) 45...Rde8 46.Nd4 R2e5 47.Ne6 Rh5 48.Kg1 Rg5 (48...Kh8!? 49.Rd7 Rb8 50.Ng7 Re5-/+) 49.Ng5 (49.Bc2 Kg8=) 49...hg5 50.Rd7 Nf5?? (better 50...Ne4=) 51.Bc2+- Kg6 52.g4 1-0. bjoernsen (2385) - Talaris (2275), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Bd2 11.Qd2= Qd6 12.Rab1 b6 13.Rfe1 Rad8 14.Qc3 d4 15.ed4 (15.Qd2 Re7=+) 15...cd4 (15...Nd4 16.Nd4 cd4 17.Qd2=+) 16.Qd2 Nd5 (better 16...Re7!?=+) 17.Nd4+= Be2 (17...Nd4 18.Bg4 (18.Bd4? Be2 19.Bg7 Nf4-+) 18...Nf6 19.Bh3+=) 18.Re2 Nd4 19.Re8 (19.Bd4? Re2 20.Qe2 Nf4-+) 19...Re8 20.Bd4 Nf4 21.Be3 Nd5 22.Re1 h6 23.h3 (23.Bd4 Re1 24.Qe1 Nb4 25.Qe8 Kh7+/-) 23...Rc8 (23...Qb4 24.Kh2+=) 24.Bd4 (24.c4 Ne3 25.Qe3 Qb4+/-) 24...Nb4 Exerts pressure on the backward pawn (24...Qb4!? 25.Qb4 Nb4=) 25.c3 (25.Be5 Qc5 26.c3 Nc6+/-) 25...Nc6 26.Be3 Qd5 27.Bf4 Rd8 28.d4 Na5 (28...b5 29.Qd3+/-) 29.Qe2 Nc4 30.Qe7 Rd7 (30...a6 31.Qc7+/-) 31.Qe8 Kh7 32.Qe4 (32.a4 Rd8 33.Qe4 Qe4 34.Re4 g5+/-) 32...Qe4 33.Re4 Kg6 34.g4 Nd6 (34...Rd5 35.Kg2+/-) 35.Bd6 Rd6 36.c4 Kf6 (36...f5 37.Rf4+/-) 37.f3 Rd8 38.Kf2 Rc8 39.d5 1-0. bjoernsen (2395) - Hrosik10 (2365), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Qd7 11.c4 Bd2 (11...d4 12.e4=+) 12.Nd2 (12.cd5 Nd5 13.Qd2 Rad8=) 12...Be2=+ 13.Qe2 d4 (13...dc4 14.dc4 Qe6 15.Rad1=+) 14.e4 Qg4 15.f3 Qh5 16.Bc1 h6 17.g4 Qh4 18.Qg2 (18.Nb3 Nd7=+) 18...h5 (18...Ne5 19.Qe2-/+) 19.h3 (19.g5 Nd7 20.f4 Nb4=) 19...hg4 (19...Nh7 20.f4 hg4 21.Qg4 Qd8=) 20.hg4? (20.fg4 Nd7 21.Nf3 Qd8=) 20...g6 (20...Nb4 21.Rb1-/+) 21.a3 (21.Nb3 b6=+) 21...Kg7 (21...Ne5 22.Rb1 Nd3 23.Rb7-+) 22.Qf2 (22.Nb3 b6 23.g5 Nd7=+) 22...Qf2 (22...Rh8 23.Qh4 Rh4 24.Nb3-/+) 23.Kf2=+ Rh8 (23...Ne5 24.Ke2=+) 24.Kg3 (24.Nb3 Nd7 25.Bf4 g5 26.Bg5 Nce5=+) 24...Ne5=+ 25.Rb1 b6 26.Rb3 g5 27.f4? (better 27.Nb1!? Rh7 28.Bg5=+) 27...gf4-/+ (27...Neg4 28.fg5 Rag8 29.Rb1+/- (29.Rf6? Nf6 30.Nf3 Nd7-+; 29.gf6?! Kf8=)) 28.Rf4? (better 28.Kf4 Nfg4 29.Nf3-+) 28...Rh1-+ 29.Rf5 (29.Nf1 Rah8 30.Kg2 R1h3-+) 29...Nfg4 (better 29...Rg1 30.Kf2 Rc1 31.Rg5 Kh6-+) 30.Nf3 f6 (better 30...Nf3!? 31.Rf3 Ne5 32.Rf5 Nd3 33.Rd3 Rc1 34.Rdf3-+) 31.Bf4-/+ Rah8 (31...Re8!? 32.Be5 Ne5-+) 32.Be5=+ R8h3?? (better 32...Ne5 33.Ne5 fe5 34.Re5 Kf6 35.Rf5 Ke6-/+) 33.Kg4+- fe5 34.Rg5 (34.Rb2 Rh6 35.Rg2 Rg6 36.Ng5 Kh6 37.Re5 Rh5+-) 34...Kf8? (34...Kf6 35.Rg8 Rh8 36.Rh8 Rh8+-) 35.Rf5 Kg7 36.Rb2 Rh6 37.Rg2 Kh8 (37...Rg6 38.Ng5+-) 38.Re5 Rg6 (38...Rf1 39.Kg5 Rh7 40.Re8 Kg7 41.Kf4 Kf7 42.Ra8 Rh4 43.Kg3+-) 39.Ng5 1-0. bjoernsen (2385) - RODRI1963 (2235), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Qd7 11.Bf6 gf6 12.Nh4 (12.Nb1 Rad8=) 12...Be2 (12...Be6 13.Nhf3=) 13.Qe2 Nd4 (13...Ne5 14.Nb3=) 14.Qd1+= Nb5 15.Nb1 d4 16.e4 Re5 (16...Nd6 17.a3 Ba5 18.f4+=) 17.f4 Ree8 (17...Re6 18.Qh5+=) 18.Nf5+/- c4?? (better 18...Kh8+/-) 19.Qg4 (19.Qg4 Kh8 20.Qg7) 1-0. bjoernsen (2475) - TheUnknownOnex (2385), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Bf5 11.Nb3= Qd6 12.a3 Ba5 13.Na5 Na5 14.Nh4 Bd7 15.g3 (15.Qd2 Nc6=) 15...Bh3 16.Re1 Re7 (16...Nc6 17.Ng2 Bg2 18.Kg2=) 17.Bf1 Bg4 18.Qd2 Nc6 19.Be2 Bd7 20.Ng2 Rae8 21.Nf4 d4 22.Bf1 Ne5 23.Bg2 g5?? (better is 23...Bc6 24.e4 b6+=) 24.ed4+/- cd4 25.Ne2 h6 26.Nd4 (26.Bb7 Rb8 27.f4 gf4 28.gf4 Ng6-/+) 26...Nc6 (26...Kg7!?+/-) 27.Nb5+– Re1 28.Re1 Re1 29.Qe1 Qc5 30.Bf6 (30.Na7 Na7 31.Bf6 Qc2+–) 30...Qb5 31.Be4 Be6 (31...Qc5 32.Qa1+–) 32.Kg2 (32.c4 Qc5+–) 32...Qc5 33.Qb1 b6 34.Qb2 Bd5 35.Bd5 (35.Bh8 Be4 36.de4 Qf8+/-) 35...Qd5 36.Kg1 Qf5 37.Qc3 Qe6 38.h4 gh4 39.Bh4 Ne5 40.d4 Ng6 41.Qc7 (41.Bd8 Kf8+/-) 41...Nh4 (41...Qe1!? 42.Kg2 Qe4 43.Kh2 Qd4 44.Qd8 Qd8 45.Bd8 Ne5=) 42.Qd8 Kh7 (42...Kg7!? 43.Qh4 Qe2+=) 43.Qh4+/- (43.gh4?! Qg4 44.Kh2 Qf4 45.Kg2 Qg4 46.Kf1 Qd1 47.Kg2 Qg4 48.Kh1 Qe4 49.Kh2 Qf4 50.Kg2 Qg4=) 43...Qe1 44.Kg2 Qe4 1–0. Gonzalez Berrendero,Carlos (1820) – Campos Diaz,Fernando (1675), 26th Torneo San Viator, 2016.

10.Nbd2 h6 11.c4 (11.Nb3 Nd7=) 11...Bf3 12.Bf3 White gets in control 12...Ne5 13.Be5 Re5 14.cd5 The passed pawn on d5 quickly leads to threats 14...Bd2 (better 14...Nd5!? 15.Ne4 b6=) 15.Qd2+/- Nd5 16.Rab1 (16.d4 Nf6+/-) 16...Rb8 (16...Re7!?+=) 17.d4+/- Nb6 (17...Nf6!?+/-) 18.Qa5+- Rg5 (18...Re7 19.dc5 Nd5 20.Qd8 Rd8 21.Rbd1+-) 19.h4 (19.dc5?! Nc4 20.Qd8 Rd8+/-) 19...Rg6 (19...Rf5 20.Rfd1 Qh4 21.Qa7+-) 20.dc5 (20.Qa7?! cd4 21.Rfd1 Re6+-) 20...Nc4 21.Qd8 (21.Rb7?? Na5 (21...Qa5?! 22.Rb8 Kh7 23.Be4-+) 22.Ra7 Nc4-+) 21...Rd8 22.Rfd1 Rc8 (22...Rd1 23.Rd1 Ra6 24.Bb7 Ra2 25.Rc1+-) 23.Be4 Rf6 24.Bb7 (24.Rb7 g6+-) 24...Rc5 25.Rd8 Kh7 26.Be4 g6 27.Rc1 (27.Rc1 Ra6 28.Rd4+-) 1-0. Pierre – Meckong, internet, 2020.

10.Nfd2 Be2 11.Qe2 Bd2 12.Nd2= d4 13.Qf3 Qd5=+ 14.Qg3 Rad8 15.Nf3 b5 16.Rfc1 (16.a4 b4=) ½–½. Woelfelschneider,Peter (2230) – Milde,Lars (2015), PCM–F.06 TSC, 2002.

10.Nfd2 Be2 11.Qe2 Qd6 12.Nb3 Ba5 13.Na5= Na5 14.Qf3 d4 15.Nd2 Nc6 16.Rfe1 b6 17.Re2 Qe6 18.a3 Ng4 19.h3 Nge5 20.Qg3 f6 21.Rae1+= Qa2 (21...de3 22.Re3 Nd4 23.Bd4 cd4 24.R3e2+=) ½–½. Woelfelschneider,Peter (1700) – Rushton,Darren (1730), T8–02 TSC, 2002.

10.h3 Bf5 11.c3 Ba5 12.Nbd2 Qd6 13.c4 d4 14.e4 Bc8 15.Nh2 Qf4 16.Bc1 Bc7 17.g3 (17.Nhf3 Qd6+=) 17...Qd6 18.Kg2 Rb8 19.f4 a6 20.a4 b6 21.Ng4 Ng4 22.hg4 Bb7 23.Nf3 Nb4 24.Ba3 Qd7 25.Bb4 cb4 26.Rh1 Rbd8 27.Ng5 h6 28.Nh3 b5 29.ab5 ab5 30.c5 Qe7 31.g5 (31.Rc1 Ra8=) 31...Qc5 32.gh6 gh6 33.Nf2 Re6 34.Rh5 Qd6 35.Ng4 Ra8 36.Ra8 Ba8 37.Rb5 Bc6 38.Rh5 Bb7 39.Qb3 Rg6 40.Ne5 Rf6 41.Bg4 Qe7 42.Qc4 Ba6 43.Qd4 Rd6? 44.Qb4+– Qd8 45.Qb3 Qe8 46.Rf5 Rb6 47.Qc3 Be5 48.Re5 Qc6 49.Rc5 Qe8 50.Rd5 Bb7 51.Rd7 (51.Rd7 Bc8 52.Rf7 Qf7 53.Qc8 Kg7 54.Qc3 Qf6 55.e5 Qc6 56.Qc6 Rc6 57.Bf3 Rc2 58.Kh3+–) 1–0. Polzer,Hans (2110) – Palm,Werner, GER–ch36 V3 email, 2004.

10.h3 Bh5 11.Nbd2 Ba5 12.c4 dc4 (12...d4 13.ed4 cd4 14.Nb3+=) 13.Nc4= Bc7 14.Rc1 b6 15.Ncd2 Ne5 16.d4 Nf3 17.Nf3 Ne4 18.dc5 Nc5 19.Nd4 Qd6 20.f4 Be2 21.Qe2 Qg6 22.Ba3 Qe4 23.Rc4 Qe3 24.Qe3 Re3 25.Bc5 bc5 26.Nb3 Bb6 27.Rf2 Rd8 28.Rfc2 f5 29.Kh2 Re4 30.Re4 fe4 31.Rc4 e3 32.Kg3? Re8 33.Rc1 c4! (33...c4 34.Na1 e2-+) 0–1. Ivanchuk,Vassily (2750) – Giri,Anish (2730), Leon ESP, Ivanchuk vs Giri, 2013.

10.h3 Bh5 11.Nbd2 d4 12.ed4 (12.e4!?=+) 12...Nd5-/+ 13.dc5? (better 13.Ne4 Nf4 14.a3-/+ (14.dc5? Ne2 15.Qe2 f5-+)) 13...Bc3-+ 14.Rb1 (14.Qc1 Re2 15.Bc3 Nc3-+) 14...Bb2 15.Rb2 (15.Ne4 Nc3 16.Nc3 Bc3-+) 15...Nc3 16.Qa1 Ne2 (16...Re2?! 17.Rb7 Bf3 18.Nf3-+) 17.Kh1 b6 (17...Rb8 18.Rb3-+) 18.cb6 ab6 19.Rb5 (19.Rb3 Bf3 20.Nf3 Ncd4 21.Nd4 Nd4-+ (21...Qd4?! 22.Qd4 Nd4 23.Rb6-+)) 19...Bf3 20.Nf3 Ncd4 21.Nd4 Nd4 (21...Qd4?! 22.Qd4 Nd4 23.Rb6 Nc2 24.Rb2-+) 22.Rb2 Rc8 23.c4 Ne2 24.Qd1 Nf4 25.Rd2 Rc6 26.Qf3 (26.Re1 Re1 27.Qe1 Rg6-+ (27...Nd3 28.Rd3 Qf8 29.Qd1+–)) 26...Rc4!! 27.Rfd1 (27.dc4 Qd2 Pinning (27...Qd2 Deflection)) 27...Rd4 28.Qc6 Rd6 (28...Qb8 29.Qf3-+) 29.Qf3 (29.Qa4 Rf6-+ (29...Nd3?! 30.Rd3 Rd3 31.Rd3=)) 29...Rf6 30.d4 (30.Qg4 Qd6 31.Rc1 Rfe6-+) 30...Nh3! 31.Qg3 (31.Qh3 Rh6 Pinning (31...Rh6 Decoy); 31.gh3 Rf3 Discovered attack (31...Rf3 Deflection; 31...Rf3 Overloading)) 31...Nf4 32.d5 Re5 (better 32...Qd6 33.a4 Rg6-+) 33.d6 (33.Kg1 Ne2 34.Re2 Re2 35.a4-+) 33...Rh6 34.Kg1 Qe8 35.Rf1 Re1 (35...Reh5 36.Qh3 Nh3 37.gh3 Rg6 38.Kh2 Qe5 39.f4 Rh3 40.Kh3 Qh5) 36.Qf4 (36.Qh3 Nh3 37.gh3 Rg6 38.Kh2 Rf1 39.Re2 Qe2 40.h4 Qf2 41.Kh3 Rh1) 36...Rf1 37.Kf1 Rh1 0–1. retiponziani (2055) – guptaaniruddhad_19 (2370), ChessWorld.net, 2019.

11.Nbd2 b5 12.Nb3 Bc7 13.h3 Bf3 14.Bf3 Ne5 15.g3 Qe7 16.Bg2 Rab8 17.f4 Ned7 18.Re1 a6 19.Qd2 Rb6 20.e4 de4 21.de4 Nh5 22.Rad1 Rd8 23.Qf2+= Rg6 24.Re3 Nb6 25.Rd8 Bd8 26.Bc1 Qc7 27.e5+= Ng3 28.f5 Nf5 29.Qf5 c4 30.Nd4 Bg5 31.Re1 Bc1 32.Rc1 Qc5 33.c3 Qa3 34.Rd1 Qf8 35.Nc6 Re6 36.Rd8 (36.Rd8 Re8 37.Be4+–) 1–0. Woelfelschneider,Peter – Byrne,Tony, TT–13 ETC, 2004.

11.Nbd2 Bc7 12.c4 dc4 13.dc4 Qd6 (13...b6 14.Qc2=) ½–½. Woelfelschneider,Peter (1760) – Milde,Lars (1745), T16–01.30, 2002.

11.Nbd2 Bc7 12.c4 dc4 13.dc4 Qe7 14.Qc2 Ne5 15.Rfe1 Bd7 16.Ne5 Be5 17.Bf3 Bb2 18.Qb2 Rab8 19.e4 Ng4 20.Bg4 ½–½. Woelfelschneider,Peter (1950) – Schmidt,Anja (1830), KO–018 VCC, 2002.

11.Nbd2 Qd6 12.Rb1 Rab8 13.h3 Bh5 14.c3 b5 15.a4 b4 16.c4 (16.cb4 Nb4 17.Nb3 Bc7+=) 16...d4+= 17.ed4 Bf3 18.Bf3 Nd4 19.Bd4 Bc7 (worse is 19...Qd4 20.Nb3 Qd8 21.Nc5+=) 20.g3 cd4 21.Nb3 Nd7 22.Be4 a5 23.Re1 g6 24.Qf3 Re7 25.Bd5 Ne5 26.Qd1 Rbe8 27.Nd4 Qf6 28.Rf1 Bb6 29.Nb5 Nc6 30.Bc6 Qc6+= 31.d4 Qc4= 32.Nd6 Qd5 33.Ne8 Re8 34.Re1 Re1 35.Qe1 Qd4 36.Rd1 ½–½. Steingraeber,Barbara – Michna,Marcus (1935), DESC op Gr07 email, 2003.

11.Nbd2 Qd6 12.Rb1 Bc7 13.h3 Bf3 14.Nf3 d4 15.e4 Nh5 16.Bc1 Rab8 17.Bd2 Nf4 18.Bf4 Qf4 19.g3 Qd6 20.Nh4 Ne7 21.Qd2 b5 22.Bg4 a5 23.Nf3 a4 24.c4 bc4 25.dc4 Rb3 26.Rb3 ab3 27.Rb1 Rb8 28.Qd3 b2 29.Qc2 g6 30.h4 Qb6 31.Bd7 d3 32.Qc3 h6 33.Bb5+= Rd8 34.Rb2 Qe6 35.e5 Qf5 36.Nd2 Be5-/+ 37.Qa5 Rf8 38.Ra2 Qg4 39.Nf1 Nf5 40.Qd2 Nd4 41.Nh2 Qe4-+ 42.Qe3 Qe3 43.fe3 Nb5 44.cb5 c4 45.Ng4 Bg3 0–1. Stapinski,Ryszard (1990) – Velikanov,Igor Nikolaevich, WC15/WS31 ICCF, 2006.

11.a4 Bf5 12.Nbd2 Bc7 13.d4 c4 14.Ba3 Qd8 15.Re1 h6 16.Ra2 Ba5 17.Qc1 Qd7 18.Bd1 Bd3 19.Bc2 Ne4 20.Bd3 cd3 21.Nb1 Qf5 22.Qb2 Re6 23.Rf1 Rf6 (23...Qh5 24.Qb5 Rg6 25.Nfd2 Bc7 26.g3 Bg3!) 24.Qb5 Nc3 25.Nc3 Bc3 26.Qb3 Ba5 27.Rd1 Rc8 28.Qd3 Qd3 29.Rd3 Nb4 30.Bb4 Rc1 31.Be1 Be1 32.Kf1 Bc3 33.Ke2 Ra6 34.Rd1 Rd1 35.Kd1 b5 36.Kc2 b4 37.Kb3 Rg6 38.Nh4 Re6 39.a5 Kf8 40.Nf3 f5 41.g3 g5 42.Ne5 f4 43.Nd7 Kg8 44.gf4 gf4 45.Ne5 Kg7 46.a6 fe3 47.fe3 Be1 48.Rg2 Kh7 49.Re2 Bc3 50.Ra2 Be1 51.Ra5 Rd6 52.Rc5 Ra6 53.Rd5 Ra3 54.Kc4 a5 55.Rd7 Kg8 56.Ng4 Kf8 57.Nf6 Bh4 58.Nd5 b3 59.Rb7 a4 60.Nf4 Ke8 61.Kd5 Bg5 62.Ke6 Bf4 63.ef4 Kd8 64.Kd6 Kc8 65.Rc7 Kb8 66.Rc4 Ka7 67.Rb4 Ra2 68.f5 Ka6 69.f6 ½–½. Rudbeck,Joergen – Steinmann,Joachim, corr 3GMM–F, 2000-01.

11.Nbd2 Bc7 12.Qb3 Rb8 =+.

11.Nbd2 Bc7 12.Qc2 Qd6 13.Rfe1 Rad8 14.g3 b6 15.Bf1 Qe6 16.Bg2 Rd7 17.a3 h6 18.c4 dc4 19.Nc4 b5 20.Ncd2 Bb6 21.e4 Red8-/+ 22.e5 Nh5 23.Bf1 a6 24.Be2 Bf5 25.Ne4 c4 26.Nd6 Bg6 27.Nh4? Ba5 28.Rf1 Ne5-+ 29.Ng6 cd3 30.Ne5 dc2 31.Bh5 Qd6 32.Nd7 Qd7 33.Bf3 Qf5 34.Be2 Qe4 0–1. Curado,Manuel – Figueiras,Jose, corr XIV T Portugal Prel, 1995.

11.Nbd2 Bc7 12.c4 Ne5 (12...dc4!? 13.Nc4 b5+=) 13.Be5= Be5 (worse is 13...Re5 14.Ne5 Be5 15.Rb1 (15.Bg4?! Ba1 16.cd5 Be5+/-) 15...Be2 16.Qe2+–) 14.Ne5 Be2 15.Nf7 Bd1 16.Nd8 Be2 17.Rfe1 Bd3 18.Nb7 dc4 19.Nc5 (19.Rec1 Rab8 20.Na5 h6+/-) 19...c3 (19...Red8 20.Rac1 Rd5 21.Nd3 cd3 22.e4+/-) 20.Nd3 (20.Ndb3!? Bc4 21.Rac1+=) 20...cd2= 21.Red1 Ne4 22.Nf4 Red8 23.Ne2 ½–½. Schoenwaelder,Bernd (2100) – Sand,Rolf (1955), Dresden GER, ZMDI Open, 2014.

11.Nbd2 Bc7 12.Re1 Qd6 13.Nf1 Rab8 14.a4 b6 15.Ba3 Qd7 16.Rb1 h6 17.N1d2 Qe6 18.Qc2 Rbd8 19.Rb2 Bf5 20.Qb3 g5 21.d4 c4 22.Qd1 Rb8 23.Nf1 a6 24.N3d2 b5 25.ab5= ab5 26.Ng3 Bg6 27.Qc1 Ba5 28.Ra2 h5 29.Nf3 g4 30.Nd2 h4 31.Ngf1 b4 32.Bb2 b3-/+ 33.Ra1 Bc7 34.Ba3 Kg7 35.Qb2 g3 36.fg3 hg3 37.h3 Rh8 38.Bf3 Bd3 39.Bc5 Rh6 40.Ra6 Rbh8 41.Rea1 Ne4 42.Ne4 de4 43.Bg4 Qg4+/- 44.Rc6 Rc6 45.hg4 Rch6 46.Bf8 Rf8 47.g5 Rh5 48.Ra6 Bf1 (48...Bf1 49.Rh6 Rh8-+) 0–1. Rosemann,Hans_Joachim – Eitel,Philipp, remoteschach.de, 2003.

11.Nbd2 Qe7 12.h3 Bf5 13.Re1 Bc7 14.Qb3 Rad8 15.c4 dc4 16.Nc4 b6 17.Rac1 a6 18.a4 Rb8 19.d4 b5 20.ab5 ab5 21.Nce5 Ne5 22.Ne5 Be5 23.de5=+ c4?? 24.ef6+– (24.ef6 Qf6 25.Bc4+–) 1–0. Schmickt,Bernhard – De Visser,Arno, Orang–Utan Invitational, 2002.

11.a4 Bc7 12.Re1 Qd6 13.Nf1 Rad8 14.h3 Bc8 15.Qc1 h6 16.Bc3 Nh7 (16...d4 17.Bb2+=) 17.Qa3 b6 18.Qb2 d4 19.Bd2 Qg6 20.Kh1 Ng5 21.Ng5 hg5 22.Nh2 Qh6 (22...Qf6 23.Nf3-/+) 23.e4 Bh3 24.gh3 Qh3 25.f4 gf4 26.Bf3 Ne5 27.Rf1 g5 28.Qc1 (28.a5!?=) 28...Re6 29.Bg2 Qh7 (29...Qh7 30.Kg1 Qh5+=) 0–1. Krivoshapko,Alexander – Golovan,Igor, Omsk op, 2008.

11.Rb1 b5 12.Nb3 Bb6 13.c4 b4 14.Rc1 a5 15.cd5+= Qd5 16.Bf6 gf6= 17.Nfd2 Be2 18.Qe2 Bc7?? 19.Ne4+– Qe5? 20.f4 Qe6 21.Nbc5 Qf5 22.Qb2 Kg7 23.Rf3 Ne7 24.Nd7!! Rec8 25.Ndf6 Be5 26.fe5 Rc1 27.Qc1 Qe5 28.Nd7 (28.Nd7 Rc8 29.Rf7 Kf7 30.Ne5 Kg8 31.Nc5 Rc5 32.Qc5 Kf8 33.Nc6 Kg8 34.Qe7 h6 35.Ne5 Kh8 36.Qf7 b3 37.Ng6#) 1–0. MrkT – haunque, internet, 2005.

11.Rb1 Bb6 =.

11.Rb1= Rb8 12.Nb3 Bb6 13.Nfd2 Be2 14.Qe2 Qd6 15.Qf3 Bc7 16.Qh3 b6 17.Nf3 Qe6 18.Qh4 Bd8 19.Rfd1 Ne4 20.Qh5 Nf6 21.Qh4 Ne4 22.Qh5 Nf6 23.Qh4 ½–½. pierre – baldozar, internet, 2006.

11.Rb1 Rb8 12.c4 dc4 (12...d4 13.Ng5 Bd2 14.Qd2+=) 13.Nc4= Bc7 14.Re1 (14.h3 Bf5=) 14...h6 (14...b5 15.Ncd2+=) 15.Ncd2 (15.a4 Qe7=) 15...Ba5 (15...b5 16.h3 Bf5 17.e4=) 16.Rf1 Nd5 17.Ne4 (17.Rc1 Qe7 18.Ne4 b6=) 17...Bc7 (17...c4 18.Qc2 (worse is 18.dc4 Ne3 19.fe3 Re4-/+) 18...cd3 A) worse is 19.Bd3 Ncb4 20.Qc4 Nd3 21.Qd3 Nf4 22.Qd8 Ne2 (worse is 22...Red8 23.ef4 Bf5 24.Ng3 Bb1 25.Rb1+/-; 22...Rbd8?! 23.Ng3 Nd3 24.Bd4+=; 22...Bd8?! 23.Nd6 Ne2 24.Kh1+=) 23.Kh1 Rbd8+= (worse is 23...Red8 24.Be5 Bf5 25.Bb8 Be4 26.Ba7=); B) 19.Qd3=) 18.Qc2 (18.h3 Bh5=) 18...b6 19.a3 Rc8 20.Rfe1 Qe7 21.Ng3 Red8 22.Qc4 Be6 23.Qe4 Bg3 (23...Qd7 24.Rbc1=) 24.hg3= (worse is 24.fg3 f5 25.Qh4 Qh4 26.Nh4 Ne3+=) 24...Qd7 25.Ne5 Ne5 26.Qe5 f6 27.Qh5 Bf7 ½–½. Melderis,Uldis (1975) – Todorov,Ognjan (2265), Golden Sands BUL, 3rd Grand Europe Open, 2014.

11.Rb1= Bc7 12.c4 dc4 13.Nc4 Rb8 14.a3 b5 15.Ncd2 Qd6 16.Qc2 Nd7 17.Rfc1 Qh6 18.Bf1 Bd6 19.g3 Qh5 20.Bg2 Rb6 21.Qc3 Nce5 22.Ne5 Be5 23.d4 cd4 24.ed4 Rh6 25.h4 Bd6 26.Re1 Re1 27.Re1 Bf8 28.d5 Rd6 29.Re8 f6 30.Qc8 Qf7 31.Bd4 a6 32.Qa8 Bf5 33.g4! (33.g4 Bg4 34.Ne4 Rd5 35.Ng5 Rg5 36.hg5+–) 1–0. Wolf,Wolfgang (2365) – Ott,Peter (2160), BdF Pyramide, 2005.

11.Rb1 Bc7 12.c4 dc4 13.Nc4 Rb8 14.a3 b5 15.Ncd2 Ne5 16.Ne5 Be2 17.Qe2 Be5 18.Nb3 Rc8 19.Rfc1 Bb2 20.Rb2 Qd5 21.h3 a5 22.Na5 Rb8 23.Nb3 Rec8 24.Qc2 Nd7 25.Nd2 Rc6 26.Qb3 Qf5 27.Nf3 Rd6 28.d4 h6 29.dc5 Nc5 30.Qb4 Rd5 31.Nd4 Qh5 32.Rbc2 Nd3 33.Rc8+– Kh7?? 34.Qf8 Rc8 35.Rc8 Rd6 (35...Rc5 36.Rc5 Nc5 37.Nb5 Ne4+–) 1–0. Alekseyev,Vadim – Loskutov,Oleg, St Petersburg, 1996.

11.Rb1 Bc7 12.h3 Bf3 13.Nf3 b6 (13...d4 14.ed4 Nd4 15.Nd4 cd4 16.Bf3=) 14.Qc1 (14.c4!?=) 14...d4=+ 15.Re1 de3 16.fe3 Nd5 17.Bf1 (17.e4!? Bf4 18.Qd1=+) 17...Re3!-/+ 18.Re3 (18.c4 Re1 19.Qe1 Nf4-/+) 18...Bf4-+ 19.Qe1 Ne3 20.Qf2 (20.Qc3 Nf5 21.Bc1 Bc1 22.Rc1 Ncd4 23.Nd4 cd4-+) 20...Nf5 21.Kh1 (21.Bc1 Bg3 22.Qd2 Qd5-+) 21...Ng3 (21...Be3 22.Qe1 Nb4 23.Qc3-+) 22.Kg1-/+ Nf5 23.Bc1 (23.Kh1 Be3 24.Qe1-+) 23...Bc1 24.Rc1 Qd6 (24...Qf6 25.Nd2-/+) 25.Re1 Nfd4 26.c3 Nf3 27.Qf3 Rd8 28.g3 Ne5 29.Qf4 f6 30.Re3 h6 31.Qe4 Nf7 (31...a6 32.a4-/+) 32.h4 (32.Qc4 Kf8-/+) 32...Ne5 33.Bh3? (33.Qa4 Qd7 34.Qd7 Rd7-/+) 33...b5 (better 33...Nd3!? 34.Be6 Kf8-+) 34.Bf5-/+ b4 35.cb4 cb4 36.Kg2 Qd4 (36...Qc5 37.Re2-/+) 37.Qd4 Rd4 38.Re2 (38.h5 Kf7-/+) 38...Kf7 (38...g6!? 39.Be6 Kf8-+) 39.h5-/+ g6 40.hg6 Ng6 41.Rc2 Ne5 (41...Ne7 42.Rc7 Rd5 43.Be4-/+) 42.Rc7 Ke8 (42...Kf8 43.Kf2 Rd5 44.Ke3=+) 43.Ra7 (43.Kf2 Rd6= (43...Nd3? 44.Ke3 Rd5 45.Bd3+-)) 43...Nd3=+ 44.Bg6 Kd8 45.Bf5 1-0. Zhalmakhanov_R - AstanehChess (2765), Rated Bullet game, lichess.org, 2022.

11.Nb3 Bc7 12.Ne1 (12.h3 Bf3 13.Bf3 Ne5=) 12...Qd6-/+ 13.g3 Be2 14.Qe2 d4 15.e4 (15.c4!?+=) 15...c4!-/+ 16.dc4 Re4 17.Qf3 Ne5 18.Qd1 Qc6 (18...Nc4!? 19.Bd4 Rd8-/+) 19.Nd4 Qc4 (19...Qb6 20.Rb1 Nc4+=) 20.c3? (20.f3 Rd4 21.Bd4 Rd8=) 20...Rd8 (20...Re8 21.Qb3 Bb6 22.Rd1-/+) 21.Qb3 (21.f3 Re3 22.f4-/+) 21...Bb6-/+ 22.Kg2 Qc8 (22...Bd4?! 23.cd4 Qb3 24.ab3=) 23.Nec2 Nc4 24.Rad1 Nd5 25.Rfe1 Nb2 26.Qb2 Qc3 27.Qb5?? Nc7 28.Re4?? Nb5-+ 29.Ne2 Qc6 30.Rd8 Bd8 31.f3 f5 (31...f5 32.Ncd4 Nd4 33.Nd4 Qd5 34.Nf5 Qa2 35.Kh3 Qd5-+) 0–1. Cavadini,Ignacio – Meza,Hugo (2135), Villa Martelli op, 2006.

11.h3 Bc8 12.Nb3 Bb6 13.Ba3 Qd6 (13...d4!? 14.e4 Qd6=) 14.d4+= Ne4 (14...h6 15.c4 dc4 16.Bc4+–) 15.dc5+– Nc5 (15...Bc5!? 16.Nc5 Nc5+–) 16.c4+– Be6?? (better 16...Ne7 17.cd5 Bf5+– (17...Nd5? 18.Bc4 Be6 19.Rc1+–)) 17.cd5 Bd5 18.Rc1 Rad8 19.Bc5 (19.Nc5 Qg6 20.Qc2 Bc5 21.Qg6 hg6 22.Bc5 Ba2+–) 19...Bc5 20.Nc5 Ne5 (20...Qg6 21.Bb5 a6 22.Bc6 Bc6 23.Qc2+–) 21.Ne5 (21.Ne5 Re5 22.e4+–) 1–0. UncleBulgaria (2480) – ddraig_goch (1950), ChessWorld.net, 2020.

11.h3 Bh5 12.c3 Bc7 13.c4 d4 14.ed4 cd4 15.Nd4 (15.Nb3 Qe7 16.Re1 Bf3 17.Bf3 Qd6=) 15...Nd4 (15...Be2 16.Ne2 Qd3 17.Nc1-/+) 16.Bh5 Qd6 17.g3 Nh5 18.Qh5 Ne2 19.Kg2 (19.Kh1 Qd3 20.Qg5 Nc3 21.Bc3 Qc3=+) 19...Qd3 (19...Ng3 20.Qg4 Nh5 21.Nf3-/+) 20.Nf3 Qc2 21.Ng5 Bg3?? (better 21...Re7 22.Rae1 h6-/+ (22...Qb2?? 23.Qh7 Kf8 24.Qh8)) 22.Qf7 (22.fg3?? Nf4 23.Kf3 Nh5-+) 22...Kh8 23.Qg7 (23.fg3?! Qb2 24.Qf2 Nf4 25.Kh1 Re2=+) 1-0. Lance5500 (2520) - FeegLood (2625), lichess.org, 2015.

11.Nh4 Be2=+ 12.Qe2 d4 13.Nc4 Bc7 14.Qf3 Re6 15.ed4 b5 16.Rfe1 Nd5 17.Re6 fe6 18.Qe4 bc4 19.Qe6 Kh8 20.Qc6 Rb8 21.Re1 Nb4 22.Qe6 Nc2-/+ 23.Qh3 h6-+ 24.Rd1 Rb2 25.dc4 Nd4 26.Kh1 Rf2 27.Ng6 Kh7 28.Qd3 Nf5 29.Qd8 Bd8 30.Kg1 Rg2! 31.Kh1 Rg6 32.Rd8 0–1. Teichmann,Erik – Zhao,Zong_Yuan, Gold Coast Parkroyal International, 2000.

11.a3 Bc3 12.Bc3 dc3 13.Nb3 Qe7 14.h3 Be6 15.Rb1 b6 16.Qe1 Nd5 17.d4 cd4 18.Bb5 Bd7 19.Nbd4 Nd4 20.Nd4 Bb5 21.Nb5 Red8 22.Qe2 (22.Rb3 Rac8=) 22...a6=+ 23.Nd4 Qa3 24.Ra1 Qc5 25.Ra6 Nf4 26.ef4 Ra6 27.Qa6 Qd4 28.Rb1 Attacking the backward pawn on b6 28...g6 (28...h6 29.f5=+) 29.Qb6 ½-½. grasul2009 (2445) - vipodb (2230), gameknot.com, 2015.

11.a3 Bd2 12.Qd2= Qe7 (12...Bf3 13.Bf3 Ne5 14.Qe2 Re6 15.Bc1 Rb6 16.Bd2) 13.e4 Rad8 (13...Ne5 14.Ne5 Be2 15.Qe2 Qe5 16.f4) 14.Qf4 (14.a4 Ne5 15.Ne5 Be2 16.Nf7) 14...c4 (14...Qd6 15.Qd6 Rd6 16.Rab1) 15.Rab1 (15.a4 Bf3 16.Bf3) 15...c3 (15...Ne5 16.dc4) 16.Bc1 Bf3 (16...b6 17.Re1=) 17.Qf3 Nd7 18.Qh5 White gets strong initiative (worse 18.Rb7 Nde5 19.Re7 Nf3 20.Bf3 Re7-/+) 18...Nb6 19.f4 Na4 (19...Qe6 20.f5 Qe5 21.Bg5=) 20.f5+= f6 21.Rf3 Ne5 22.Rh3 Do you see the mate threat? 22...g6 (better 22...h6!?+=) 23.fg6+– Ng6 24.Bg4 Nc5 25.Rb5 b6 26.Rc5 bc5 (26...Qc5 A deflection 27.Qh7 Demolition of pawn structure) 27.Be6!! Kh8 (27...Qe6 Theme: Deflection from h7 28.Qh7 Demolishes the pawn shield) 28.Qg6 Qg7 29.Qf5 Rb8 30.Bf4 Threatening mate... how? 30...Rb1 (30...Rb7 31.Bb3+–) 31.Kf2 Rb6 (31...Rb7+–) 32.Rh7! Qh7 Deflection from f6 33.Qf6 A classical mating theme 33...Qg7 34.Qh4 Qh7 (34...Qh6 35.Qh6) 35.Be5 1–0. Pommerel,Wim – Mrkvicka,Josef, CiF, 1990.

11.e4 Bc3 12.Bc3 dc3 13.Nb1 (13.Nc4 Be6 14.Ne3 Nh5 15.Ng5 Qg5 16.Bh5 Rad8=+; 13.h3 Bh3 14.gh3 cd2 15.Qd2 Qd7 16.Kg2 c4=+) 13...Qa5 14.Qe1 (14.a4 Rad8 15.Qe1 Bf3 16.Bf3 Nd4-/+) 14...Nd5 (14...Nd4 15.Nd4 cd4 16.Bg4 Ng4-/+) 15.Qc1 Bf3 16.Bf3 Ndb4 17.Nc3 Nd4 18.Rb1 Nbc2 19.Nd5 Nf3 (19...Qa2?! 20.Rb2 (20.Rb7 Qa6 21.Rc7 Qd3=) 20...Qa4 21.Bd1+= (21.Rb7 Qa6 22.Rc7 Qd3=)) 20.gf3 Nd4 (20...Qa2? A) 21.Rb7 Qa6 22.Rc7 Nd4=+ (worse 22...Qd3 23.Rd1 Qf3 24.Qc2+=); B) 21.Rb2 Qa6 22.Rc2+–) 21.Kh1 Qa6 (21...Reb8!?=+) 22.Nc7+= Qd6 23.Ne8 Re8 24.Qg5 b6 25.Rg1 g6 26.Qe3 f5 27.Rg5 f4 28.Qc1 Nf3 29.Rd5 Qf6 30.Qd1 Nd4 31.Qg4 Qf7 32.f3 Re6 33.Rc1 h6 34.Rg1 Kh7 35.Rg2 Nc6 36.Qh3 Qf6 37.Rg1 Re7 38.Qg4 Ne5 39.Qg2 a6 (39...Rg7 40.a3=) 40.Rb1 (40.a4 Re6=) 40...g5 (40...Qe6 41.d4 cd4 42.Rd4=) 41.Qh3 Qg6 42.a4 Kg7 43.Qf1 Qc6 44.Qd1 Nd7 45.Qb3 Qe6 46.Kg2 g4 (46...Kh7 47.d4+=) 47.Rf5+– gf3 48.Kf3 Qg6 49.Qd5 Kh7 50.Kf4 (50.a5!? ba5 51.Kf4+–) 50...Nf6+– 51.Rf6 Qf6 52.Qf5 Qf5 53.Kf5 Rb7 54.e5 (54.Ke6 Rg7+–) 54...b5 (54...Kg7 55.Ke6+–) 55.e6 Kg7 56.ab5 ab5 57.Rg1 (57.Ke5 b4+–) 57...Kf8 58.Kf6 b4 59.Ra1 Rb8 60.Ra7 b3 61.Rf7 Kg8 62.Rg7 (62.Rg7 Kh8 63.e7+–) 1–0. St_Jean,Benoit – Perez,Jose M, IECG, 2000.

11.e4 Rc8 12.h3 Bh5 (12...Be6 13.Ng5=+) 13.a4 (13.Nb3 Bf3 14.Bf3 c4 15.dc4 Ne4=+) 13...Na5 14.Rb1 a6 (14...Bf3!? 15.Nf3 Nc6=+) 15.Bd4= Bd2 (better 15...Ne4!? 16.de4 Bd2=) 16.Bf6+/- (16.Nd2?! Ne4 17.de4 Be2 18.Qe2 Qd4=+) 16...Qf6 17.Qd2 b6 18.g4 Bg6 19.h4 White intends g5 19...h6 (19...Qe6 20.Qf4 f6 21.h5+=) 20.g5+/- hg5 21.hg5 (21.Qg5 Rc6+/-) 21...Qe6+= Black prepares the advance c4 22.Qf4 c4 23.Kg2 cd3 24.cd3 Rc2? (better 24...Red8+/-) 25.Nd4+- (25.Nd4 Qa2 26.Nc2 Qc2 27.Qe3+-) 1-0. marekt - Bernard Holtrop, ChessWorld.net, 2022.

11.e4 Be6 12.a3 Bc3 13.Bc3 dc3 14.Nb1 Qa5 15.Qe1 Nd4 16.Bd1 Nb5=+.

11.e4 Be6 12.a4 a6 13.h3 h6 14.Kh2 b5 15.ab5 (15.Nb1 Qc7 16.Kg1 Rad8-/+) 15...ab5 16.Ne1 (16.Ra8 Qc7 17.Kg1 Ra8-/+) 16...Bc3 (16...Ra1 17.Ba1 Qd6 18.Kg1-/+) 17.Bc3 dc3 18.Ndf3 b4 19.g3 (19.Ra8 Qc7 20.g3 Ra8-/+) 19...Qc7 (19...Ra1 20.Qa1 Qc8 21.Ng1-/+) 20.Ng2 Red8 21.Nf4 Nd4 Black plans b3 (21...Ba2 22.Qc1-/+) 22.Nd4 cd4 23.Ne6 fe6 24.Qb1 Ra1 25.Qa1 b3 (25...Rb8 26.Qa2 Qd7 27.f4=) 26.cb3= Rb8 27.Qa2 Kf7 (27...e5 28.b4 Kh7 29.Rb1=) 28.f4 Qb7 29.Bd1 Ra8 30.Qe2 Kg8 31.e5 (31.Qf2 Qb4=) 31...Nd5 32.f5? (better 32.Qe4=) 32...Ne3-+ 33.f6 (33.Re1 Nd1 34.Rd1 Qb3 35.Kg1-+) 33...Nf1 34.Qf1 Qd5 (34...Ra2 35.Kg1 Ra1-+) 35.Bf3?? (35.Qe2-+) 35...Ra2 36.Kh1 Qe5 37.f7 (37.Bd1 Qg3 38.Be2 c2 39.Qc1 Qg5 40.Qg5 hg5 41.f7 Kf7 42.Kg1 c1Q 43.Kg2 Re2 44.Kf3 Qe3 45.Kg4 Qf4 46.Kh5 Qh4) 37...Kf8 38.Be4 Qg3 (38...Qg3 39.Bg2 Rf2 40.Qg1 c2 41.b4 c1Q 42.Bf1 Qg1 43.Kg1 Qf1) 0-1. bjoernsen (2395) - Clovis99 (2355), Rated Blitz game, lichess.org, 2016.

11.e4 Be6 12.Nb3 b6 13.Rb1 (13.Ng5 Bd7 14.a3 Bc3 15.Bc3 dc3 16.Nc1 Nd4=+; 13.Qc1 a5 14.a3 Bc3 15.Nbd2 b5 16.Ng5 Bd7=+) 13...Qd6 14.Ng5 Bb3 15.cb3 Bc3 16.f4 Bb2=+.

11.e4 Be6 12.Ng5 Bc8 13.a3 (13.Ngf3 b5 14.a3 Bc3 15.Bc3 dc3 16.Nb3 Qd6=+; 13.Nb3 Bc3 14.Bc3 dc3 15.Re1 Qd6 16.Nf3 Rb8=+; 13.f4 h6 14.Ngf3 Ng4 15.Qc1 Ne3 16.Rf2 Qd6=+) 13...Bc3 14.Bc3 dc3 15.Nb1 Qa5 16.Bh5 Nd8=+.

11.e4 Qe7 12.a3 (12.Nb3) 12...Bd2 (12...Bc3 13.Bc3 dc3 14.Nb1 Bf3 15.Bf3 Qe5 16.a4 Rad8=) 13.Qd2 (13.Nd2 Be2 14.Qe2 Rad8 15.Rfb1 b6 16.Qf3 Ne5=+) 13...Rad8 14.Rfb1 c4 15.Qf4 Qd6 16.Qd6 Rd6=+.

12.Bc3 dc3 13.Nb1+=.

12.Bc3 dc3 13.Nb3 Qd6 14.Rb1 A) 14...b6 15.d4 cd4 16.Nbd4 Nd4 17.Qd4 Qa3 18.Rfd1 Rac8; B) 14...Nd5 15.d4 (15.Ng5 Be2 16.Qe2 Qg6 17.Nh3 b6 18.Qf3 Qd6) 15...b6 16.dc5 bc5 17.Nh4 Be2 18.Qe2 Rac8; C) 14...Rad8=+ 15.Qe1 Nd5 16.Ng5 Be2 17.Qe2 Qh6 18.Ne4 c4.

12.Bc3 dc3 13.Nb3 Qd6 14.Nc1 b5 15.Na2 b4 16.d4 (16.Re1 Rad8-/+) 16...a5 17.Nc1 (17.dc5 Qc5 18.Nc1 Ne4=+) 17...cd4-/+ 18.ab4 Qb4 19.Nd4 Nd4 20.Bg4 (20.ed4 Bf5 21.Bf3 Rad8=+) 20...Nc2-/+ 21.Qc2 Ng4 22.h3 (22.Ra4 Qb2 23.Qb2 cb2-/+) 22...Nf6 (22...Qb2 23.Ra2 Qc2 24.Rc2-/+) 23.Na2=+ Qc5 24.Qc3 Ne4 25.Qc5 Nc5 26.Nc3 a4 27.Ra3 (27.Rfd1 Kf8=+) 27...Red8 28.Rfa1 (28.Rb1 Rab8 29.Rb8 Rb8=+) 28...Rd3 29.Kf1 Kf8 30.Ke2 ½–½. Poschmann,Hans (1700) – Milde,Lars (1725), TT–01.06, 2001.

12.Bc3 dc3 13.Nb3 Qd6 14.d4 cd4 (14...Ne4 15.Nc5 (15.dc5 Qc7 16.Nfd4 Be2 17.Qe2 Nd4 18.ed4 Nd2; 15.h3 Bf3 16.Bf3 c4 17.Be4 cb3 18.Bc6 bc2) 15...Nc5 16.dc5 Qc5 17.Qb1 b6 18.Qb5 Qb5) 15.Nfd4 Be2 16.Ne2 (16.Qe2?? Nd4 17.Nd4 Qd4-+) 16...Qe5 17.Ned4 (17.Qd3 Ne4 18.f4 Qe7) 17...Qe4 (17...Rac8 18.Qd3 Ne4) 18.Nc6 (18.Rb1 Nd4) 18...Qc6 19.Qd4 Ne4 (19...b6 20.Rfd1=) 20.Rfd1 Qg6 (20...a5 21.a4=) 21.Rd3+= b6 (21...a6 22.f3 Ng5 23.Rf1+=) 22.f3 Ng5 23.Rf1 Ne6 (23...Rac8 24.Rc3 h6 25.Qd2+=) 24.Qc3 Rac8 25.Qd2 Rc4 26.Rd1 Ra4 (26...Qf6 27.Nd4+=) 27.Nc1 b5 (27...Nc5 28.Rd8 Qe6 29.Qc3+–) 28.Ne2 a6 29.Ng3 f5 30.e4 fe4 31.Ne4 Rc8 32.Rd6 (32.Qf2 Rc7+–) 32...Qf5 (32...Ra3 33.Qd5 Re8 34.Re1 Rf3 35.Nc5+– (35.Ra6?! Rf5 36.Qc6 Re5=)) 33.Qe3 Re8 (33...Rc2 34.Re6! Rc8 35.Nd6 Ra3 36.Re8 Re8 37.Qe8 (37.Nf5 Rae3 38.Ne3 Re3-+; 37.Qa3 Qc2 38.Rc1 Qg6 39.Ne8 Qe8+–) 37...Qf8 38.Qe6 Kh8 39.Nf7 Kg8 40.Rd8 Ra1 41.Kf2 Rf1 42.Kf1 g6 43.Qf6 Qd8 44.Nh6) 34.Qb3 Kf8 (34...Qf7!?+–) 35.R6d5 Qf4 36.Nd6 Rd8 37.c4! g6 (37...bc4 38.Rf5 Double attack (38.Qa4 Deflection; 38.Qc2 Decoy)) 38.g3 (worse 38.cb5 Rd4 39.g3 Rd1 40.Qd1 Qe3 41.Kf1 Qa3+–) 38...Qf6 39.Ne4 Qe7 40.Qb2 Rd5 41.Qh8 (41.Rd5?! Qg7 42.Nf6 Rc4+–; 41.cd5?! Qg7 42.Qg7 Ng7+–) 41...Kf7 42.Rd5 Ng7 43.Rd8 (43.Rd8 g5 44.Qg8 Kg6 45.Rd6 Qd6 46.Nd6 Rc4 47.Qf7 Kh6 48.Qf6 Kh5 49.Nc4 b4 50.g4 Kh4 51.Qh6 Nh5 52.Qh5) 1–0. bambinik (2535) – elo800 (2465), 2003.

12.Bc3 dc3 13.Nb3 Qd6 14.Ng5 A) 14...Bf5 15.e4 c4 16.dc4 Qd1 17.Rad1 h6 18.Bd3 Bg4; B) 14...Be6 15.Rb1 (15.Ne6 Re6 16.Qe1 Nd5 17.Bf3 Nd4 18.Bd5 Qd5) 15...h6 16.Ne6 Re6 17.Bf3 Rb8 18.d4 cd4; C) 14...Be2 15.Qe2 h6 16.Nf3 Nd5 17.g3 Rad8 18.Rfd1 h5.

12.Bc3 dc3 13.Nb3 Qd6 14.h3 A) 14...Bh5 15.Rb1 (15.Nh4 Be2 16.Qe2 g6 17.Nf3 Kg7 18.Rfd1 Rad8) 15...Rad8 16.Qe1 Nd5 17.Ng5 Bg6 18.Bf3 b6; B) 14...Be6 15.Rb1 b6 16.Ng5 Rad8 17.Qe1 Bb3 18.Rb3 h6.

12.Bc3 dc3 13.h3 Bh5 14.Nb3 Qd6 15.d4 cd4 16.Nfd4.

11.Nb3 Ba5 12.Na5 Na5 13.Rb1 A) 13...Nc6 14.Bf6 (14.h3 Bf3 15.Bf3 d4 16.ed4 cd4 17.Qc1 Rab8) 14...Qf6 15.Rb7 Rab8 16.Rb3 a5 17.c3 Bf5; B) 13...Bf5 14.d4 (14.Re1 h6 15.d4 c4 16.Ne5 Nc6 17.f3 b5) 14...Rac8 15.Bb5 Re7 16.dc5 Qc5 17.Bf6 gf6; C) 13...b6 14.h3 (14.Re1 Nc6 15.h3 Bf5 16.Qd2 h6 17.Nh4 Bd7; 14.Qd2 Nc6 15.h3 Bf5 16.Bc3 h6 17.Bb2 Rac8) 14...Bf5 15.d4 c4 16.Ne5 Nc6 17.f3 Nd7.

11.Nb3 Ba5 12.Na5 Na5 13.Qd2 Nc6= 14.h3 (14.Rab1 d4 15.Rfe1 Rab8 16.e4 c4 17.Bc1 Qc5) 14...Bf5 15.Rab1 b6 16.Rfd1 h6 17.Re1 Rad8.

11.Nb3 Ba5 12.Na5 Na5 13.h3 Bh5 (13...Bf3 14.Bf3 Rad8 (14...d4 15.ed4 cd4 16.c4 dc3 17.Bc3 Nc6) 15.Re1= (15.Rb1 Re7 16.Bc3 Nc6 17.Re1 h6) 15...Nc6 16.Rb1 b6 17.Qd2 h6; 13...Bf5 14.Rb1 (14.Nh4 Bd7 15.Rb1 Nc6 16.Nf3 d4 17.Qd2 b5; 14.g4 Bg6 15.g5 Nd7 16.Qd2 Nc6 17.Rab1 Bf5) 14...b6 15.d4 c4 16.Ne5 Nc6 17.Bf3 Ne4; 13...Bd7 14.Rb1 (14.c4 Rad8 15.Qd2 Nc6 16.Rac1 d4 17.e4 h6; 14.d4 Rac8 15.dc5 Qc5 16.Bf6 gf6 17.Bd3 Nc4) 14...b6 15.c4 Nc6 16.Bf6 gf6 17.Nd2 Be6) 14.Rb1 (14.c4 Nc6 15.Bf6 gf6 16.Rb1 Rab8 17.a3 a6) 14...b6 15.Re1 (15.g4 Bg6= 16.Qd2 Nc6 17.Kg2 Rac8; 15.c4 dc4 16.dc4 Qe6 17.Bf6 Qf6) 15...Nc6 16.Nh2 (16.a3 Qe6= (16...h6 17.Qd2 Rac8) 17.Qd2 h6; 16.c4 Bf3 17.Bf3 Ne5) 16...Be2=+ 17.Qe2 (17.Re2 d4) 17...Rad8 (17...d4=) 18.Ng4 d4 19.Nf6 (19.Qf3 Ng4 20.Qg4 Qe6 21.Qe6 Re6 22.ed4 Nd4 23.Re6 fe6 24.Bd4 cd4=+) 19...Qf6 20.Qg4 Qd6 (20...a6 21.Re2=) 21.a3 (21.Re2 Qd5 22.a3 Qa2=) 21...g6 (21...a6 22.ed4 Nd4 23.Re8 Re8 24.a4=+) 22.Re2 de3 (22...f5 23.Qg5=) 23.fe3 f5 (23...Qe6 24.Qe6 Re6 25.Kf2=) 24.Qc4 (24.Qa4 Qd5=) 24...Qd5 (24...Qe6 25.Qe6 Re6 26.Kf2=) 25.Qc3 (25.Qh4 c4 26.Rd1 A) 26...cd3? 27.Qf6 (27.cd3?! Ne5=) 27...Ne5 28.Rd3+–; B) 26...Ne5=) 25...Qe5 26.Qd2 (26.Qe5 Ne5 27.e4 fe4=) 26...Qe6 (26...Qg3 27.Rf1=) 27.Rbe1 Re7 (27...Qd6 28.Qc3 Qe5 29.Qc4 Qe6 30.Qb5=) 28.Qc3 (28.e4 Rf7+=) 28...Kf7 (28...Ne5 29.d4 Nc4 30.d5 Qd5 31.Qf6 Nb2 32.Qe7+=) 29.Qg7 (29.Rf2 Ke8+=) 29...Ke8= 30.Qf6 Kd7 ½–½. Souza,Kim Garcia De (1770) – Aguiar,Lucas Teodoro Barbo, Championship Paranaense Absoluto de Xad, 2016.

11.c4 Bd2 12.Bf6 (12.Nd2 Be2 13.Qe2 d4=+) 12...Qf6 (worse 12...gf6 13.Nd2 (worse 13.Qd2 dc4 14.Qc2 cd3 15.Bd3 Nb4 16.Bh7 Kg7=+) 13...Bf5 14.Rb1+=) 13.Qd2 dc4 14.dc4 Rad8 15.Qc2 b6 16.Rad1 Rd1 17.Rd1 Rd8 (17...Bf5 18.Qa4=) 18.Rd8= Qd8 19.Qe4 Qd7 20.h4 (20.Ne5 Qe6 21.Qg4 Ne5 22.Qe6 fe6=) 20...h6 21.Bf1 (21.a3 Be6=) 21...Bf5=+ 22.Qf4 f6 23.e4 Bg4 24.Nh2 (24.a3!?=+) 24...Be6-/+ 25.Nf3 Kf7 (25...Qd1 26.e5 Nd4 27.Nd4 cd4 28.ef6 gf6 29.Qb8 Kg7 30.Qa7 Bf7 31.Qb6 Bc4 32.Qc7 Bf7 33.a3+/-) 26.e5 (26.Be2 Nd4 27.Bd3 Nf3 28.Qf3 Qd4=+) 26...f5 27.g4 Nd4 (27...Ke8 28.g5 Qf7 29.gh6 Qg6 30.Qg5 Qh6 31.a3=+) 28.Nd4 (better 28.Bd3!? g6 29.Nd4 Qd4 30.Qd4 cd4 31.gf5 gf5 32.f4=) 28...Qd4-/+ (worse 28...cd4 29.gf5 Bf5 30.Bd3+/-) 29.Qd4 cd4 30.g5 (30.gf5 Bf5 31.f4 d3-/+) 30...hg5 31.hg5 f4 32.Bd3 Bg4 33.Kg2 (33.Kf1 Ke6-+) 33...Ke6 34.f3 (34.a3-+) 34...Bf5 35.Bf1 Ke5 36.Kf2 d3 37.Ke1 Kd4 38.Kd2 Kc4 39.a4 Kd4 40.Bg2 a6 41.Bf1 b5 42.ab5 ab5 43.Bg2 b4 44.Bf1 b3 45.Bh3 (45.Bg2 b2 46.Bh1 b1Q 47.Bg2 Qc2 48.Ke1 Qe2) 45...Bh3 46.Kc1 Kc3 47.Kb1 (47.g6 Bg2 48.Kd1 b2 49.Ke1 b1Q 50.Kf2 Qf1) 47...d2 48.g6 d1Q 0-1. bjoernsen (2350) - LaTrainee (2395), Rated Blitz game, lichess.org, 2016.

11.c4 d4 12.a3 Ba5 13.ed4 cd4 14.Re1=+.

11.h3 Bh5 12.c4 Rad8 13.cd5 Nd5 14.Nc4 (14.Ne4 Qf8=) 14...Qg6 15.Qb3?? (15.Rc1!? Nb6 16.Nb6 Bf3 17.Bf3 Rd3 18.Qa4 ab6 19.Rfd1=) 15...Nf4! 16.ef4 (16.ef4 Re2 Pinning (16...Re2 Deflection)) 16...Bf3?? (better 16...Re2 17.Nfe5 Ne5 18.Ne5 Qd6-/+) 17.Bf3+- Rd3 18.Qc2 Nd4 19.Bd4 Rd4 20.Qg6 hg6 (20...fg6? 21.Bb7 Re7 22.Bf3 Rf4 23.Rfc1+-) 21.Ne5 (21.Rfc1 b5 22.Bc6 Rb8+-) 21...Rf4 22.Nd3 Rd4 23.Nb4 Rb4 24.Rab1 Rb1 25.Rb1 b6 26.a4 Re6 27.a5! Rd6 (27...ba5 28.Rb5 Double attack (28.Rb8 Decoy)) 28.a6 f5 29.Kf1 Kf7 30.Ke2 Ke6 31.Bb7 Kd7 (31...g5+/-) 32.Rd1 (32.f4!?+/-) 32...Rd1+= 33.Kd1 b5 (33...Kd6 34.Ke2+=) 34.Kc2+/- Kc7 35.h4 Kb6 36.g3 (36.Kc3 Ka5+/-) 36...Ka5 37.Kb3 Kb6 38.f3 Ka5 39.g4 Kb6 (39...fg4!? 40.fg4 c4 41.Kc3 g5+/-) 40.g5+- Ka5 41.Bc6 Ka6 42.Be8 f4 (42...c4 43.Kb4 Kb6 44.Bb5 c3+-) 43.Bg6 Kb6 44.h5 a5 45.h6 gh6 46.gh6 a4 47.Ka3 Ka5 48.h7 b4 49.Ka2 c4 50.h8Q c3 (50...Kb6 51.Qd4 Kc6 52.Be8 Kb7 53.Qd7 Kb8 54.Qd6 Kc8 55.Bd7 Kb7 56.Qc6 Ka7 57.Bc8 b3 58.Kb1 c3 59.Qb7) 51.Qe5 (51.Qd8 Kb5 52.Qc7 b3 53.Ka3 Ka6 54.Bd3) 51...Kb6 52.Qd4 (52.Qd4 Kb5 53.Qd6 b3 54.Ka3 c2 55.Bd3 Ka5 56.Qc5; 52.Be4 b3 53.Ka3 c2 54.Qd6 Ka7 55.Qc7 Ka6 56.Bd3) 1-0. Osmak,Iulija (2425) - Rusan,P (2105), Titled Tuesday 2nd Mar, 2021.

11.a3 Bd2 12.Qd2 b5 =.

11.Rb1 d4 12.a3 de3 13.Nb3-/+.

11.Rb1 Rad8 12.Re1 (12.a3 Ba5=) 12...h6 (12...Ne4 13.Rf1-/+) 13.c3= Ba5 14.Qa4 Bc7 15.Rbd1 a6 16.Ba3 Bd6 17.c4 d4 18.e4 (18.ed4 cd4 19.Bf1 Be6 (worse 19...Ba3 20.Re7 Be7 21.h3+=) 20.Bd6 Qd6=+) 18...Bc8 (18...Ra8 19.Rb1-/+) 19.Rb1=+ Ng4 20.Rf1 Rf8 21.Ne1? (21.Qb3!?=+) 21...f5 (better 21...Bh2!? 22.Kh1 Bf4-+) 22.h3 (22.Nef3!?-/+) 22...Nf6 23.Bf3 fe4 (23...Qe5!? 24.g3 fe4 25.Ne4 Bh3-/+) 24.Be4=+ Ne5 25.f4 (25.Qb3 Rf7=+) 25...Ne4 26.Ne4 Nd3! 27.Nd6 (27.Nd3 Qe4 Discovered attack (27...Qe4 Remove defender)) 27...Qe3 (27...Nf4 28.Rf4 Rf4 (28...Qd6?! 29.Rf8 Rf8 30.Qa5+=) 29.Nc8 Qe3 (29...Rc8?! 30.Qb3-/+) 30.Kh2 A) 30...Rc8?! 31.Qd7 Rc6 32.Nc2-/+ (32.Rb7? Rg6 33.Rb8 Kh7-+); B) 30...Rf1-+) 28.Kh1=+ Rd6 (28...Nf2 29.Rf2 Qf2 A) worse 30.Bc5 Qf1 31.Kh2 Qf4 32.Kh1 Qg3-+ (32...Rd6?! 33.Nd3 Qg3 34.Bd6 Qd6 35.c5-/+); B) worse 30.Nc8 Qf1 (30...Rc8?! 31.Nd3 Qa2 32.Rb7=) 31.Kh2 Qf4 32.Kh1 Qe4-+; C) 30.Nd3 Qa2 31.Rb6=+) 29.Nd3 Qd3 30.Bc5 Rf4?? (better 30...Rg6 31.Qb3 Qe4=) 31.Qe8+- Kh7 32.Rfd1?? (32.Rf4 Qb1 33.Kh2=) 32...Qc2?? (32...Qg6 33.Qg6 Rg6 (33...Kg6?? 34.Bd6 Re4 35.c5+-) 34.Rd4 Rd4 35.Bd4 Rd6=) 33.Bd6+- (33.Qc8 Rc6 34.Qb8 Rf2 35.Bd4 Rg2+/-) 33...Bh3 (33...Rf6 34.Qc8 Rd6 35.Qb7 Rg6+-) 34.Rg1 (better 34.gh3 Rf3 35.Qe6+-) 34...Re4 (34...Rh4 35.Bh2 Bg2 36.Rg2 Qb1 37.Rg1=+) 35.Qh5 Bg4?? (better 35...Bg2 36.Rg2 Qb1 37.Kh2 Re1=+) 36.Qf7 d3?! (36...Be6 37.Qb7 Rh4 38.Bh2 Bc4+-) 37.Bf8 (37.Bf8 Qc3 38.Rb7+-) 1-0. bjoernsen (2300) - RigelStar (2340), Rated Blitz game, lichess.org, 2016.

11.Nb3 b6=.

11.c3 Ba5 12.a4 Rad8 13.Nb3 Bc7 14.Ba3 Bf3 15.Bf3 Qe5 16.g3= c4 17.d4 Qf5 18.Nd2 Ba5 19.Bb2 h5 20.Bg2 h4 21.Rb1 hg3 22.hg3 Ne4 23.Be4 de4 24.Kg2 Qd5 25.Rh1 Bc7 26.Qh5 Qh5 27.Rh5 Na5 28.Rbh1 g6 29.R5h4 Kg7 30.Ne4 Rh8 31.Ng5 Rh4 32.Rh4 Rd7 33.e4 Bd8 34.Rg4 Rd6 35.d5 Bg5 36.Rg5+/- f6 37.e5 Ra6 38.ef6 Kf6 39.Rg4 Ke5 40.Rd4 Rd6 41.Kf3?? Rd5 42.Rd5 Kd5 43.Ke3 Nb3 44.Kf4 Nc5-+ 45.Ke3 Na4 46.Ba1 b5 47.f4 a5 48.g4 Nc5 49.Bb2 Nd3 50.Ba1 ½–½. Kochukova,G – Shevchenko,Olesia (2015), Angarsk (Women) op, 2007.

11.c4 Rad8 12.a3 Ba5 13.Bf6 Qf6-/+ 14.cd5 Rd5 15.Qb3 Red8 16.Nc4 Bc7 17.h3 Bc8 18.Rab1 Qg6 19.Nh4 Qh6 20.g3? Bh3-+ 21.Rfd1 Rg5 22.Nf3 Bg3?? 23.fg3 Rg3= 24.Kf2 Rg2 25.Ke1 Bg4 26.Bf1 Qh1 27.Rd2?? Bf3-+ 28.Rf2 Rf2 29.Kf2 Bd5 30.Qb2 Re8 31.e4 Bc4 32.dc4 Qh2 33.Bg2 Re4 34.Qd2 Rf4 35.Qf4 Qf4 36.Kg1 Ne5 (37.Kh1 b6-+) 0–1. Sayder,H – Schwarz,Adolf, corr, 1995.

10.c3 Ba5 11.Nbd2 Qd6 12.Qc2 Bf5 13.Rfe1 c4 14.e4 Bg6 15.Bf1 Bb6 16.Qa4 cd3 17.Bd3 Ng4 18.Re2 de4 19.Be4 Nce5 20.Ba3 Qc7 (20...Qc7 21.Rf1 Nf3 22.Nf3 Nf6 (22...Qc3?! 23.Bb2 Qa5 24.Qd7 Re4 25.Re4 Be4 26.Qg4-/+) 23.Bg6 A) 23...fg6?! 24.Rfe1 Re2 25.Qb3 (< 25.Re2 Qc3 26.Bb2 Qd3=+) 25...Kh7 26.Re2=; B) 23...Re2-+) 0–1. Gary K – PatzerBernie2, ChessWorld.net, 2009.

10.c3 Ba5 11.Nbd2 Qe7 12.Rc1 Bc7 13.Qb3 Be6 14.c4 dc4 15.Nc4 Na5 16.Qc3 Nc4 17.dc4 Bd7 18.Rfd1 Rad8 19.Ne1 Bc6 20.Bf3 Bf3 21.Nf3 a6 22.a4 b6 23.Qc2 Ne4 24.g3 Qe6 25.Rd8 Rd8 26.Be5 Nd2 27.Nd2 Be5 28.Nb3 a5 29.Nd2 g5 30.Nf3 ½–½. Bonetti,Shane (2180) – Veloso Fargnoli,Rodrigo (2130), RM–2010-0-00057, 2010.

10.Nbd2 Bf5 11.h3 Ba5 12.c4 d4 13.e4 (13.Nb3 Qe7=) 13...Bh7 14.Nb3 Bb6 15.Nh2 Qd6 16.f4 Nd7 17.Bc1 Bc7 18.Bd2 b6 19.Bg4 Rad8 20.Nc1 Qf6 21.Ne2 Qe7 22.Ng3 White prepares the advance f5 22...Nf6 23.Bf5 g6 24.Bg4 Ng4 25.Ng4 Kg7? (better 25...h5!? 26.Nh6 Kf8=) 26.f5+/- gf5? (better 26...Qh4 27.Bh6 Kh8 28.fg6 fg6+-) 27.Bh6+- Kh8 28.Nf5 Bf5 29.Rf5 (29.ef5?! Qh4+/-) 29...Qe6 30.Nf6 Re7 (30...Qf5 31.ef5 Re1 32.Qe1 Be5 33.Qh4 Bg3 34.Qg3 Re8 35.Bg7) 31.Bg7!! Kg7 (31...Kg7 32.Qg4 Mate attack) 32.Qg4 (32.Qg4 Kh8 33.Rh5) 1-0. Pereira_Frei – Mossiey, internet, 2021.

10.Nbd2 Bg4 11.Nb3 Qd6=.

10.Nbd2 Bg4 11.c4 Be6 (11...d4 12.e4=+) 12.Rc1 (12.Qc2 Bf5=) 12...dc4 13.Nc4 Nd5 (13...b5 14.a3 bc4 15.ab4 cb4 16.dc4=) 14.g3 (14.a3 Ba5+/-) 14...b5 (14...Bh3 15.a3 Bf1 16.Kf1=+) 15.Nce5 (15.a3 Bh3 16.ab4 Bf1 17.Bf1 bc4 18.Rc4 Ncb4 19.Rc5 Nf6+=) 15...Ne5 16.Ne5 (worse 16.Be5 Bh3=+) 16...Rc8 (16...Bh3 17.Bh5 g6 18.Bf3 Bf1 19.Kf1+=) 17.a3= Ba5 18.Bf3 (18.e4 Nf6=) 18...Bb6 (18...f6 19.Ng6=+) 19.Bg2 (19.d4 f6 20.e4 Ne7+=) 19...c4 20.dc4 Ne3 (20...bc4 21.Rc4 Ne3 22.Qd8 Rcd8 23.fe3=) 21.Qd8+= Red8 (21...Bd8? 22.fe3 Bb6 23.Bd4 bc4 24.Rfd1+-) 22.c5 (22.fe3!? Be3 23.Kh1 Bc1 24.Rc1+=) 22...Nf1=+ 23.cb6?? (better 23.Nc6 Bc5 24.Nd8=+) 23...Rc1-+ 24.Bc1 ab6 (24...Rd1 25.f3 (25.Bf1?? Bh3 26.ba7 Rf1) 25...ab6 26.Kf2 Rc1 27.Bf1-+) 25.Bf1 (25.Bf3 Nd2 26.Be2-+) 25...Rd1 26.Kg2 Rc1 27.f4 Rc2 28.Kf3 (28.Kg1 f6 29.Ng6 Bc4-+) 28...Bc4 29.Bg2 (29.Bd3 Bd3 30.Nd3 Rh2 31.Nb4-+) 29…Bd5 (29...Bd5 30.Ke3 Bg2-+) 0-1. bjoernsen (2280) - topce (2375), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Bg4 11.h3 Be6 12.c4 dc4 13.Nc4 Bc4 (13...b5 14.Ncd2=) 14.dc4 Ne4 15.Qc2 Qe7 16.Rad1 Rad8 17.Rd5 Ba5 18.a3 Bc7 19.Rfd1 b6 20.Rd8 Rd8 (20...Nd8 21.Bd3+=) 21.Rd8 Nd8 22.Bd3 Ng5 23.Nd2 (23.Ng5 Qg5 24.Bh7 Kf8+=) 23...Be5= 24.Nf1 (24.Be5 Qe5 25.Qa4 g6=) 24...Bb2 25.Qb2 Ne4 26.Qc2 Nf6 27.Bf5 Nc6 28.h4 (28.Nd2 Qe5=) 28...Na5 (28...g6 29.Bd3=) 29.g3 (29.Nd2 Qe5=) 29...g6 30.Bd3 Nc6 31.Nd2 Ne5 32.Be2 Neg4 33.Qd3 Qe5 34.Kg2 Qb2 35.a4 Kg7 36.f4 (36.Bd1!?=+) 36...Qa1-/+ 37.Ne4 Ne4 (37...Qe1 38.Nf6 Qf2 39.Kh3 Ne3 40.Ne8 Kf8 41.Qd6 Ke8 42.Qb8 Ke7 43.Qa7 Kf8 44.Qa8 Kg7 45.Bd3-/+) 38.Qe4 Qa2 39.Qd3 h5 40.Kf3 (40.e4 a6-/+) 40...Qa4 41.Qc3 Kh7 42.f5? (better 42.e4-/+) 42...Qc6-+ 43.e4 (43.Kf4 Nf2 44.g4 Qe4 45.Kg3 Ng4 46.fg6 fg6 47.Bf3 Qe3 48.Qe3 Ne3 49.Be2-+) 43...Qd6 (better 43...gf5 44.Kg2 fe4 45.Bg4 hg4-+) 44.fg6 fg6 45.Kg2 Ne5 (45...Qd4 46.Qd4 cd4 47.Kf1-+) 46.Qe3 (46.Qa3 a5 47.Qb2 Kg7-+) 46...a5 (46...Qd4 47.Kf2-+) 47.Qf4 (47.Kf1 Kg7-+) 47...a4 (47...Qd4 48.Kf1 Kg7 49.Qg5-+) 48.g4? (48.Qg5-+) 48...hg4 49.h5 gh5 50.Qf5 (50.Qg5-+) 50...Kh6 51.Qf4 Kg7 52.Qg5 Ng6 53.Kf2 (53.Qe3 Qd4 54.Qd4 cd4-+) 53...Qf4 (better 53...a3 54.Qd5 Qd5 55.ed5-+) 54.Qf4 Nf4 55.Bd1 a3 56.Bb3 Nd3 (56...Nd3 57.Kg2 Nc1-+) 0-1. Osmak,Iulija (2420) - Roman,R (2075), Titled Tuesday, 2021.

11.e4 b5 12.a4 ba4 (12...Ba6 13.ab5 (13.Qb1 Rb8 14.h3 Bc3 15.Bc3 dc3 16.Nb3 ba4 17.Ra4) 13...Bb5 14.Nb1 Qb6 15.c4 Ba6 16.Nbd2 Rab8 17.Rb1) 13.Ra4 (13.Qc1 a5 14.Ra4 Ba6 15.Rd1 Ne4 16.Ne4 Re4 17.de4) 13...a5 14.Nb1 (14.Nc4 Rb8 15.Qc1 Ba6 16.Nfd2 Bc3 17.Ra3) 14...Ba6 (14...Bd7 15.c3 dc3 16.Nc3+= Nd4 17.Ra1; 14...Rb8 15.c3 dc3 16.Nc3 Nd4 17.Ra1) 15.c3 dc3 16.Nc3 Qc7 (16...Nd4 17.Nd4 cd4 18.Nb1+=; 16...Qd6 17.Re1) 17.Qc1 (17.Nb1 Qd6+=; 17.Qb3+=) 17...Qd6 (17...Nd4 18.Nd4 cd4 19.Nb1 Qc1 20.Rc1 (20.Bc1?? Ne4 21.Rd1 Nc5-+) 20...Ne4 21.Bd4-/+) 18.Re1 (18.Qa1 Nd4 19.Nd4 cd4-/+ (19...Qd4? 20.Nd5 Nd5 21.Bd4+–)) 18...Qd7 (18...Nd4 19.e5 Qd7 20.Bd1-/+) 19.Rd1 Nd4 20.Ra2 Qe6 (20...Ne4 21.de4 Bc3 22.Ba6 Bb2 23.Rb2 Ra6 24.Nd4 cd4 25.Qb1-/+) 21.Qa1 Rad8 22.Bf1 (22.Nd4 cd4 (22...Rd4?! 23.Nd5 Nd5 24.Bd4 cd4 25.ed5 Qd5 26.Bf3=) 23.Na4 Ne4 24.de4 Be2 25.Rd4 Bc4-+) 22...Nf3 23.gf3 Nh5 24.Ra5 (24.Nd5 Rd5 25.ed5 Qg6 26.Kh1-+) 24...Qg6 (worse is 24...Ba5 25.Qa5 Qg6 26.Kh1-+) 25.Kh1 Ba5 26.Qa5 Nf4 27.Ne2 (27.Qc7 Nd3 28.Bd3 Rd3 29.Rd3 Bd3-+) 27...Qh5 (27...Nd3?! 28.Rd3 Bd3 29.Nf4+=) 28.Nf4 Qf3 29.Kg1 Qd1 30.Qa6 Qd2 31.Bf6 0–1. Janek – Cier, internet free game, 2017.

11.e4 b5 12.Rb1 A) 12...Bc3 13.Qc1 (13.Bc3 dc3 14.Nb3 Qb6 15.e5 Ng4 16.d4 c4 17.Nc1) 13...Qd6 14.Bc3 dc3 15.Nb3 Be6 16.g3 Bg4 17.Qa3; B) 12...Qd6 13.Nb3 (13.a3 Bc3 14.Qc1 Be6 15.h3 Rab8 16.Bc3 dc3 17.Nb3) 13...Be6 14.Ra1 a5 15.a4 Qb8 16.Ba3 Ba3 17.Ra3; C) 12...Be6 13.a3 (13.Nb3 Qd6 14.Ra1 Rab8 15.h3 Rb6 16.Nfd2 Bc3 17.Qc1) 13...Bc3+= (13...Ba5 14.h3 Qd6 15.Nh4 Bc3 16.Bc3 dc3 17.Ndf3) 14.e5 Bd2 15.ef6 Ba5 16.fg7 Kg7 17.Nd2.

11.e4 b5 12.Nb3 A) 12...Qb6 13.Rb1 (13.Qc1 Bg4 14.Qf4 Ne5 15.Ne5 Be2 16.a3 Bf1 17.ab4) 13...a5 14.a3 Bc3 15.Bc3 dc3 16.d4 Ne4 17.Nc5; B) 12...Qd6 13.a4 ba4 14.Ra4 Bd7 15.Nfd2 Ne5 16.Rb4 cb4 17.f4.

11.e4 b5 12.Qc1 A) 12...Be6 13.c3 (13.c4 a6 14.a3 Bd2 15.Nd2 Qb6 16.Rb1 Re7 17.Qc2) 13...dc3 14.Bc3 Qb6 15.Bf6 gf6 16.a3 Ba5 17.Rb1; B) 12...Nh5 13.Nb3 Qf6 14.a3 Nf4 15.Bd1 Bc3 16.Bc3 dc3 17.g3; C) 12...Bg4 13.h3 (13.a3 Bc3 14.a4 a6 15.h3 Bf3 16.Nf3 Qc7 17.Bc3) 13...Be6 14.a3 Bc3 15.Rb1 Qd6 16.Bc3 dc3 17.Nb3.

11.e4 Rb8 12.a3 Bc3 13.Bc3 dc3 14.Nc4 b5 15.Ne3 a5 Black prepares the advance b4 16.Qb1 Be6 17.Qe1 b4 18.ab4 cb4 19.h3 (19.e5 Ng4 20.d4 f6=+) 19...Qb6 20.Nh4 (20.Qb1 Ra8-/+) 20...Ra8-+ 21.Bf3 Nd4 (21...a4 22.Nhf5 Ra7 23.Qb1-+) 22.e5-/+ Nf3 23.Nf3 Nh5 24.d4 Nf4 25.d5 Bd5 26.Nd5 Nd5 27.Qe4 Qc5 (27...Qe6 28.Rfd1 Nb6 29.Rd4-+) 28.Rfd1-/+ Nc7 29.Rd7 Ne6 30.Qf5 (30.Rad1 Qf8 31.R7d6 Qe7-/+) 30...Rf8 31.Rb7 (31.Qe4 Rfd8-/+) 31...Qc6-+ Black plans a4 32.Re7 a4 33.Re6 0–1. Pierre – GuestRobar, internet, 2020.

12.Nb3 Qd6 13.a3 Bc3 14.Rb1 Bb2 15.Rb2 c4-/+.

12.Nb3 Qd6 13.a3 Bc3 14.Bc3 dc3 15.Qb1 Rab8 16.Re1 b5 17.e5 (17.Rd1 a6-/+) 17...Ne5 18.Ne5 Bb3 (18...Qe5 19.Bg4 Qd6 20.Be6 fe6 21.Qd1-/+) 19.Qb3 Qe5 20.g3 (20.a4 b4-/+) 20...a5 21.Bf1 (21.a4 b4-+) 21...Qd4 Black intends b4 (21...Qe1 22.Re1 Re1 23.Qc3-/+) 22.Re8 Ne8 23.a4 b4 24.Re1 Nd6 25.Re3 (25.Qa2 Rd8-+) 25...Re8 (25...Nf5 26.Re4 Qd6 27.Bg2-+) 26.Re8 Ne8 27.Bg2 (27.Bh3-+) 27...c4 28.dc4 Qd1 29.Bf1 Nd6 30.c5 Ne4 31.Qc4 Qc2 32.c6 Qf2 (32...Nf2 33.c7 Nh3 34.Bh3 Qb1 35.Bf1 Kh7 36.c8Q Kg6 37.Q8g4 Kf6 38.Qcd4 Ke7 39.Qdd7 Kf8 40.Qd8) 33.Kh1 Nd6 34.c7 Kh7 (34...Nc4?! 35.c8Q Kh7 36.Bd3 g6 37.Qc4-+) 35.Bd3 g6 36.Qa6 Qc5 37.Bc2 0–1. Janek – Rumak, internet free game, 2017.

12.Nb3 Qd6 13.a3 Bc3 14.Bc3 dc3 15.Qb1 c4 16.Nc1. UncleBulgaria – emmasdad, chessworld.net, 2015.

12.Nb3 Qd6 13.a3 Bc3 14.Bc3 dc3 15.Rb1 Rad8 16.Nc1 c4 17.Rb7 Qa3-+.

12.Nb3 Qd6 13.a3 Bc3 14.Bc3 dc3 15.Rb1 Rad8 16.e5 Ne5-+ 17.Na5 Qc7 18.Ne5 Qe5 (18...Qa5 19.f4-+ (19.Rb7?? Bd5 20.Nf7 Bb7 21.Nd8 Rd8-+)) 19.Bf3 Qc7 20.Nb7 Rb8 21.Re1 Bc8 22.Re8 Ne8 23.Qe1 Nf6 (23...Bb7 24.Rb7 Qd8 25.Rb8 (25.Ra7?! Nd6+=) 25...Qb8 26.g3+–) 24.Rb5 Rb7 (worse 24...Bb7 25.Qb1=+) 25.Bb7 Bb7 26.f3 Nd5 27.Qf2 (27.Qe4 g6-+) 27...a6-+ 28.Rb1 (28.Rc5 Qf4 29.Qe1 Qa4 30.Rd5 Bd5 31.Qc3 Be6-+) 28...Nf4 29.Kh1 (29.Qe1 Bc6-+) 29...Qe7 30.Qg3 (30.h3 Bc6-+) 30...Qe3 31.Qe1 Qe1 32.Re1 Bc6 33.Re5? (33.a4-+) 33...Ne6 34.f4 (34.Kg1 Ba4 35.Re1 Nd4-+) 34...g6 35.Kg1 (35.h4 Kg7 36.f5 gf5 37.Rf5 Ba4-+) 35...Ba4 36.g4 White prepares the advance f5 (36.f5 gf5 37.Re1-+) 36...Bc2 37.f5 (37.Kf2 Bd1 38.Re4 Nd4-+) 37...gf5 38.gf5 (38.Re1 Nf4 39.Ra1 fg4-+) 38...Nd4 39.Rc5 Bb1 0–1. Pierre – Albetiul, internet, 2020.

12.Nb3 Qd6 13.a3 Bc3 14.Bc3 dc3 15.Nc1 b5 16.h3 (16.Re1 Rad8=+) 16...a5 Black prepares the advance b4 17.Re1 Rad8 18.Bf1 Qc7 19.Re3 (19.Rb1 b4-/+) 19...b4 20.Ne2 Bc8 21.Qc1 Bd7 22.Qe1 Ne5 (22...Kh7 23.ab4 cb4 24.Nc1-/+) 23.Ne5=+ Re5 24.g3 c4 25.ab4 ab4 26.dc4 (26.Nf4 Bc6=+) 26...Re4-/+ 27.Nf4 Rde8 (27...Bf5 28.Nh5 Nh5 29.Re4 Be4 30.Qe4=+) 28.Re4 (28.Nd5 Re3 29.Nf6 gf6 30.fe3 Qc5-/+) 28...Ne4-/+ (28...Re4?! 29.Ra8 Bc8 30.Qb1=) 29.Nd5 Qc5 30.Qe3 Qe3 31.fe3 Ng3 32.Bg2 Nf5 33.Kf2 Be6 (33...Bc6 34.Nc7 Re7 35.Bc6 Rc7 36.Bd5-+) 34.Nb4 Bc4 35.Bd5 Nd6 36.Bc4 Nc4 37.Nd5 Re5 38.Rd1 g5 39.Rd3 Kg7 40.Kg3 (40.Nc3 Na3=+) 40...Na3-/+ 41.Rc3 Rd5 (better 41...Nc2!? 42.Rc2 Rd5-/+) 42.Ra3=+ Rc5 43.c3 Rc4 44.Kf2 Kg6 45.Ra6 (45.Ra6 f6 46.Ra3=+; 45.Kf3 f5=+). Pereira – t9683, internet, 2020.

12.Nb3 Qd6 13.Rb1 b5-/+.

12.Kh1 Qd6 13.a3!? Ba5 14.h3-/+.

12.Kh1 Qd6 13.Ng1 c4!-+ 14.Bc1 (14.Nc4 Bc4 Combination; 14.dc4 Bd2 Decoy) 14...Qd7 (14...cd3 15.Bd3 Bc3 16.Rb1-+) 15.h3 (better is 15.dc4!? Bd2 16.Bd2 Ne4 17.Bd3-/+) 15...Bc3-+ 16.Rb1 cd3 17.cd3 Ba2 18.Rb5 a6 19.Rf5 (19.Rb6 Qc7 20.Rb2 Be6-+) 19...Qe7 20.Rf3 a5 21.Rg3 (21.Qa4 Be6 22.Nc4 Bc4 23.Qc4 Ne5-+) 21...a4 22.f4 a3 23.e5 Ne5 24.fe5 Qe5 25.Rgf3 (25.Kh2 Bd5 26.Nb3-+) 25...Bd5 26.Rf5 Qe6 27.Rf6 gf6 28.Bg4 Qc6 29.Ne4 (29.Bf3 a2 30.Bd5 Qd5-+) 29...Re4 30.de4 Be4 31.Bf5 (31.Bf3 a2 32.Be4 Qe4 33.Bf4-+) 31...Bg2 32.Kh2 Bf1 33.Qf1 (33.Qg4 Kh8 34.Nf3 Qd6 35.Bf4-+) 33...a2 34.Qe2 a1Q (34...a1Q 35.Qg4 Kh8-+) 0–1. baitang (1970) – kostini (1960), gameknot.com, 2014.

10.Ba3 Ba5 =+.

10.c3 Ba5 11.a4 h6 12.Ba3 Ne4 13.Qc2 (13.Bb2 Bf5-/+) 13...Rb8 (13...Bf5 14.Qb2-/+) 14.Nfd2 Ng5 (14...Bf5 15.Ne4 Be4 16.Qb2-/+) 15.Bc5 (15.h4!? Ne4 16.Ne4 Re4 17.g3=+) 15...Qf6 (15...Ne6 16.Ba3-+) 16.Ra2 (better 16.h4 Ne6 17.Ba3-/+) 16...Re6?? (better 16...Bf5!? 17.Qd1 Rbd8-+) 17.Rb2 (17.f4!? Ne4 18.Ne4 Re4 19.Bc4=) 17...Bc7 (17...Qd8 18.Ba3-/+) 18.Na3 (18.f4 b6 A) 19.fg5? Qg5 20.Qf5 Qe3 (20...bc5?! 21.Qg5 hg5 22.Rb8 Bb8 23.Bg4-/+) 21.Rf2 Rf6-+ (21...bc5?! 22.Qf7 Kh7 23.Rb8 Bb8 24.Nf1-/+); B) 19.Ba3=) 18...Nh3 (better 18...b6 19.Nb5 A) worse 19...bc5 20.Nc7 Rb2 21.Qb2 cd4 22.Nd5+= (worse 22.Ne6 dc3 23.Qb5 Qe6-/+); B) 19...Bd8-/+) 19.gh3+= Qh4 20.Kh1?? (better 20.Nb5 Rg6 21.Qg6 fg6 22.Nc7 Bh3 23.Bf3+/-) 20...Qh3-+ 21.Rg1?? (21.f4 Re3 22.Rf2 Rc3 23.Qd1 Ra3 24.Bf1-+) 21…Qh2 0-1. Bendega (2055) - MarcinLe (2005), lichess.org, 2021.

10.c3 Ba5 11.Nbd2 b5 12.a3 h6 13.Ne1 Bc7 14.Bf3 Qd6 15.g3 a5 16.Nc2 Bf5 17.Re1 Re7 18.Bg2 Rae8 19.Nf1 Bd3 20.f3 h5 21.Bc1 h4! 22.f4 (22.gh4 Bf1 Combination) 22...Ne4 23.Be4 Be4 (worse is 23...de4 24.gh4 Rd7 25.Rb1-+) 24.g4 (24.Nd2 Bd3 25.Kg2 Qg6-+) 24...Qg6 25.Ra2 Bf4! 26.h3? (26.ef4 Bc2 Combination) 26...Bg3 27.Re2 Bf3. Krafzik,Joachim (2070) – Kempen,Willi (2155), GER–ch Seniors, 2006.

10.c3 Ba5 11.Nbd2 Bc7 12.Qc2 Qd6 13.a4 Bb8 14.Ba3 Qc7 15.Rfe1 Ne4 16.g3 Qd7 (better is 16...Bf5!? 17.Qb2 b6=) 17.Ne4+= Qf5 18.Nfd2 de4 19.Bc4 Bc7 20.Rab1 b6 (20...Rb8 21.Rf1+/-) 21.Rb5 (21.Bb5!? Bd7 22.f3+–) 21...Qg6+/- 22.Bd5 Bb7? (better is 22...a6 23.Rb2 Bf5+=) 23.Be4+– (23.Ne4?! a6 24.Rb2 Nd4 25.cd4 Bd5+/-) 23...Qh6 24.Bf3 g6 25.Ne4 Bd8 26.Bg2 a6 27.Rbb1 Qg7 28.Nd6 Re7 29.Nb7 Na7 30.Nd8 Rd8 31.Be7 Re8 32.Bd6 Re6 33.Rb6 Nc8 34.Rb8 Re8 35.Bc6 Rd8 36.Be7! (36.Be7 Rf8 37.Bf8 Qf8 38.Qd3+–) 1–0. Osmak,Yulia – Ilyina,Natalia, UKR–ch U10 Girls, 2008.

10.Bc3 Bd6 11.Nbd2 b5 12.a3 Bd7 13.Ne5 Ne5 14.de5 Be5 15.Be5 Re5 16.Nf3 Re8 17.Nd2 Qe7 18.Bf3 Bf5 19.Re1 Bg6 20.e4? (better is 20.c3!?-+) 20...de4 21.Qe2 (21.Nf1-+) 21…Qd7 (21...Qd7 22.Ne4 Be4-+; 21...ef3?! 22.Qe7 Re7 23.Re7 fg2 24.Kg2 Bc2 25.Rae1-+) 0–1. Kappel,Ray – Abbey,William (1980), WC–2015–P–00010, 2011.

10.Bc3 Bd6 11.Nbd2 Qe7 12.Rb1 Ng4 13.h3?? (better is 13.Rb5 Qe6 14.Qa1-/+) 13...Ne3!-+ 14.fe3 Qe3 15.Kh1 Qc3 16.Re1 Bg3 (16...Nd4?! 17.Nc4 Nf3 18.Nd6 Ne1 19.Ne8 Ng2 20.Rb3-+) 17.Rf1 Bf5 (worse is 17...Nd4 18.Nd4 Qd4 19.Bh5-+) 18.Rb7 Bc2 19.Qc1 Re2 20.Rb2 Nd4 21.Nd4 Qd4 (21...Qd2?! 22.Ne2 Qe2 23.Rc2-+; worse is 21...Rd2 22.Rc2 Rc2 23.Nc2-+) 22.Rc2 Qd3 23.Rf3 Qg6 24.Rf1 Bh2! (24...Bh2 25.g4 Bg3-+) 0–1. Kappel,Ray – Ovall,Larry (2055), 2011–ServTourn Final, 2011.

10.Ne5 Qe7 11.Nc6 bc6 12.c3 Bd6 13.g3 Rb8 14.Qc1 Ne4 15.Bf3 Bh3 16.Bg2 Bg2 17.Kg2 Rb6 18.Qc2 Ng5 19.Nd2 Qd7 20.Rae1 Qh3 21.Kh1 Re6 22.f4 Ne4 23.Ne4 Re4 (23...de4?! 24.Kg1+=) 24.Bc1 a5 25.Qa4 Rb5 26.Ba3 Re3! 27.Bd6?? (27.Re3 Qf1 Mate attack) 27…Re2!! White resigns. (27...Re2 28.Rf2 Re1 29.Rf1 Qf1) 0–1. Ganev,Bozhan – Offermann,Fernando (2080), IECG, 2005.

10.Ne5 Bf5 11.g4 Bc8 12.h3 (12.Bc3 Ba5-/+) 12...Ba5 (12...Qb6 13.Nc6 bc6 14.Bc3-/+) 13.Kg2 (13.Nc3!?=+) 13...Ne4-/+ 14.f3 Nd6 15.Nc3 (15.Bc3 Ne7 16.Ba5 Qa5-/+) 15...f6 16.Nc6 bc6 17.Qc1 (17.Qd2 f5-+) 17...f5 (17...Rb8 18.Nd1-/+) 18.Rb1 (18.e4 fe4 19.fe4 Ne4 20.Ne4 Re4-/+ (20...de4?! 21.Bc4 Be6 22.Be6 Re6 23.Qf4=)) 18...fg4 (18...Rb8 19.Ba3 Rb1 20.Nb1-+) 19.hg4-/+ Qg5 (19...Rb8 20.Ba3 Rb6 21.Rb6 ab6-/+ (21...Qb6?! 22.Bd6 Bc3 23.Kf2=+)) 20.e4=+ Qc1 (20...Qg6 21.e5=+) 21.Rbc1= de4 22.Ne4 (22.fe4 Ne4 23.Bc4 Be6 24.Be6 Re6=) 22...Ne4 23.fe4 Re4 24.Bc4 Be6 25.Be6 Re6 26.c4 (26.Rf5 Bc7=) 26...Rae8=+ 27.Rc2 Rg6 (27...Bc7=+) 28.Kh3? (better 28.Rf5 Bc7 29.g5=) 28...Re3-+ 29.Kh2 Rg4 30.d5?? (better 30.Rg2 Bc7 31.Kg1-+) 30…Bc7 (30...Bc7 31.d6 Bd6 32.Be5 Be5 33.Rf4 Bf4 34.Kh1 Re1) 0–1. Mamedyarov,S – Giri,A, chess.com, 2018.

10.h3 h6 11.Ne5 Qc7 12.Nc6 Qc6 13.Nc3 Bf5 14.Rb1 Bd6 15.Bf3 b5 16.Ne2 (better 16.a3!?-/+) 16...b4-+ 17.Ra1? (better 17.g4 Bh7 18.Nf4-+) 17...c3 18.Bc1 Qa4 19.Ng3 (19.e4 de4 (19...Ne4?! 20.Bf4-+; worse 19...Be4 20.Be4 de4 21.Bf4 Bf4 22.Nf4-+) 20.Bg4 Ng4 (20...Bg4?! 21.hg4 Qb5 22.Bf4 Bf4 23.Nf4-+) 21.hg4 Bg4 22.Nc3 Qd7-+ (22...Bd1?! 23.Na4 Bc2 24.Nc5-+)) 19...Bc2 (19...Qc2?! 20.Nf5 Qf5 21.Be2-+) 20.Qe1 a5 (20...Bg3 21.fg3 Rac8 22.Rf2-+) 21.Nh5 (21.Ne2 Rac8-+) 21...Nh5 22.Bh5 Bd3 23.Be2 (23.Qd1 Qd1 24.Rd1 Bc4-+) 23...Be2 24.Qe2 b3 25.Qd1 (25.Rb1 b2 26.Bb2 Qa2-+ (26...cb2?! 27.Rb2 Rab8 28.Rc2-+)) 25...b2 26.Qa4 (26.Bb2 Qd1 27.Rfd1 cb2-+) 26...ba1Q (26...ba1R?! 27.f3-/+) 27.Qc6 Bf8 (27...Red8 28.Qa4-+) 28.Qd5 Qb1 (28...Rab8 29.Qf5 Rb1 30.Qc2-+) 29.Ba3 (29.Qc4 Qc2-+) 29...Qd3 (better 29...c2 30.Bc1 Red8-+) 30.Bc5 (30.Bc1-+) 30...Bc5 31.Qc5 Rec8 (31...Rec8 32.Qd6 Rab8-+) 0-1. Kosakowski,Jakub (2440) - Wong,Yinn Long (2380), Titled Tuesday 1st Feb A, 2022.

11.Ba3 Bc7 12.Nbd2 h6 13.Qc1 Bf5 14.Qb2 Rb8 15.Bd1 b5 16.Bc2 Qd7 17.Bf5 Qf5 18.Qb1 Qh5 19.Qc2 a5 20.Rab1 Ne4 21.g3 b4 22.Bb2 Nd6 23.Qa4 Nb5 24.Rbc1 f5 25.Qd1 Bd6 26.Nh4 Qd1 27.Rfd1 Ne7 28.f4 bc3 29.Bc3 Nc3 30.Rc3 Rb2 31.a3 Reb8 32.Nhf3 Ra2 33.Rb1 Rb1 34.Nb1 Ra1 35.Nfd2 Nc6 36.Kf2 Na7 37.Rc2 Nb5 38.Rb2? c3 39.Rc2 cd2 40.Nd2 Na3 41.Rc8 Kh7 42.Nb3 Ra2 43.Kf3 Nc4 44.g4 Ra3 45.Nc5 Ne3 0–1. Marquez,Benjamin (2045) – Sanz Alonso,FJ (2360), Bogota COL, 3rd McGregor Open, 2012.

11.Ba3 Ba3 12.Na3 Bf5 =+.

11.Ba3 Bf5 12.Bd6 Qd6 13.Nbd2 b5 14.Nh4 Bd7 15.a3 a5 Black prepares b4 16.Qc2 g6 (16...Rab8 17.Nhf3=+) 17.Bf3 b4 18.ab4 ab4 19.Ra8 Ra8 20.e4 (20.cb4 Nb4 21.Qc3 Nc6=+) 20...b3 21.Qb1 (better 21.Qc1!? de4 22.Be4=+) 21...Qf4-+ 22.Nc4? (better 22.ed5 Nd4 23.Qc1 Qh4 24.cd4 Qd4 25.Rd1-+) 22...dc4 (22...Qh4?! 23.ed5 Na5 24.Na5 Ra5 25.Qb3=+) 23.g3 Qd2 24.e5 Ne8 25.Qe4 (25.Qe1 Qe1 26.Re1-+) 25...Qc3 26.d5 (26.Kg2-+) 26...Ne5 27.Bg2 Ra1 28.f4 Rf1 29.Bf1 Nd6 (better 29...Nd3!? 30.Nf3 b2 31.Qe7-+) 30.Qe2 (30.Qe5 Qe5 31.fe5 b2-+) 30...Qd4 31.Kh1 Ng4 (better 31...b2 32.fe5 b1Q-+) 32.Qe7 (32.Nf3 Qb6 33.f5-+) 32...Qd5 33.Kg1 Bc6 (33...Qd4 34.Kh1 Bc6 35.Qe4 Be4 36.Ng2 Qf2 37.Bc4 Qg2) 34.Qd8-+ Kg7 35.Nf5 Nf5 (35...Nf5 36.Qd5 Bd5 37.Bc4 Bc4 38.h3 b2 39.hg4 b1Q 40.Kg2 Qf1 41.Kh2 Qf2 42.Kh3 Qg3) 0-1. Ho,Brandon (1755) - Vorontsov,P (2540), KCF University Cup (1), 2021.

11.Nbd2 Bb8 12.Re1 (12.Ba3 Qa5 13.Qc1 Bf5=+) 12...Qd6 (12...Bf5 13.Ba3=+) 13.g3 (13.a4 Ne4=+) 13...Ng4 (13...Bf5 14.Nh4 Bd7 15.Bf3-/+) 14.Nh4 (14.e4 de4 15.Bc4=+) 14...Nf6 (14...Nh6 15.e4 b5 16.a4+=) 15.Ng2 (better is 15.Nhf3!?=) 15...Bf5-/+ 16.f3 (16.Nh4 Be6-/+) 16...Bc7 17.e4=+ de4 18.Nc4 Qd8 19.Nce3 Bh3 20.f4 Bb6 21.Nc4 Bg2 22.Kg2 Nd5 23.Bg4 Bc7 24.Bf5= Nf6 25.Ne5 g6 26.Bh3 Bd6 27.Re2 Rc8 28.Bc8+/- Qc8 29.Qb3 Re7 30.h3 Qf5 31.Rf1 Qh5 32.Rff2 g5 33.Bc1 gf4 34.gf4 Qh4 35.Nc6 bc6+/- 36.c4 Nh5 37.Kh2 Nf4+= 38.Bf4 Bf4 39.Kg1 e3 40.Rf3 Re6 41.Rg2 Rg6+= 42.Rg6 hg6 43.Kf1 Qg5 44.Qd3 Qf6 45.Qe3!+– Be3 46.Rf6 Bd4 47.Rc6 Kf8 48.Rc7 Ke8 49.Ke2 Bb6 50.Rb7 f6 51.Kd3 Bc5 52.Ke4 Bf2 53.Kd5 (53.Kd5 g5 54.Ke6+–) 1–0. Althoff,Guntram – Mueller,Thorsten, Hessen–chB Kaufungen, 2003.

11.Nbd2 Bf5 12.a4 Rc8 (12...Qe7 13.a5-/+) 13.Ba3=+ Bb8 14.g3 (14.Qc1 b6=+) 14...Qd7 15.Re1 h6 16.Bf1 Bc7 17.Bg2 Ba5 18.Qc1 Bd3 19.Qb2 Ne4 20.Ne4 de4 (20...Be4 21.Nd2=+) 21.Nd2 Ne7 (21...f5 22.f3=+) 22.Be7 (better 22.Ne4!? Be4 23.Be4+=) 22...Re7=+ 23.Rec1 (23.f3 f5=+) 23...a6 (23...b6 24.Re1-/+) 24.Qa3 (24.f3=+) 24...Re6 (better 24...Rce8!?-/+) 25.Bh3+= Rcc6 26.Rab1 (better 26.Rd1+=) 26...Qc7?? (better 26...Qe7 27.Qe7 Re7=+) 27.d5+/- (27.Be6?! Re6 28.Rb2 b6=) 27...Red6 (27...Bb1!? 28.Nb1 Red6 29.dc6 Qc6+-) 28.dc6+- Rc6 (28...Bb1 29.Nc4 (29.Rb1?! Rd2 30.Rb7 Qc6+-) 29...Rc6 30.Na5+-) 29.Rb4! Qd6 (29...Bb4 30.Qb4 Combination) 30.Qb2 Bb4 31.cb4 g6 (31...b5 32.ab5 ab5 33.Nb1+-) 32.Qc3 Rc7 (32...Rb6 33.b5 ab5 34.ab5 Rb5 35.Nc4+-) 33.Bg2 Qe7 34.Qd4 Kh7 (34...f5 35.b5 (35.Nc4?! Qf7+/-) 35...Qg7 36.Qd8 Kh7 37.b6+-) 35.Ne4 (35.Nc4?! b5=+; 35.Be4?! Rd7 36.Qc5 Be4 37.Qe7 Re7 38.Rc4 Bc6+/-) 35...Be4 36.Be4 (36.Qe4 Qe4 37.Be4 f5+-) 36...Qb4 37.Bd5 b5 38.ab5 ab5 39.Qf4 Qe7 40.e4 c3 41.h4 h5 (41...Kg7 42.Rc2+-) 42.e5 b4 43.e6! fe6 44.Be6! c2? (44...Qe6 45.Qc7 Deflection (45.Qc7 Overloading)) 45.Bb3 Rc3 46.Bc2 Qc5 (46...Kg7+-) 47.Qf7 Kh6 (47...Kh8 48.Qg6 Rc2 49.Rc2 Qc2 50.Qc2 Kg7+-) 48.Qg6 1-0. Fier,A (2575) - Iskusnyh,S (2470), Titled Tuesday (7), 2021.

11.Nfd2 Bf5 12.Re1 Qc7 13.Ba3 (better 13.h3!?-/+) 13...Bh2-+ 14.Kh1 Bd6 15.Nf3? (15.Bf3 Re7-+) 15...Re6 (better 15...Ba3!? 16.Na3 Ne4 17.Kg1 Nc3 18.Qc1-+) 16.Bd6 Qd6 17.Na3?? (better 17.Kg1-+) 17...Ng4 (better 17...Qa3!? 18.Qc1 Qd6 19.Kg1-+) 18.Kg1 Rh6 (18...Qa3 19.Ng5 Ne3 20.fe3 Re3 21.Bh5 Qc3 22.Bf7 Kh8 23.Nf3-+) 19.g3 (19.Nb5 Qg6 20.g3 Rh3-+) 19...Qa3 (19...Rh3 20.Bf1 Nf2 21.Bh3 Nd1 22.Kh2 Ne3 23.Nb5-+) 20.Nh4 Nf2! 21.Kf2 Be4 22.Bf3 Qc3 23.Be4 de4 24.Qg4 Rf6 25.Kg2 (25.Kg1 Re8-+) 25...Qb2 26.Kh3 Rf2 27.Qe4 Rh2 28.Kg4 g6 29.Qd5 (29.Kg5 Kg7 30.Rf1 h6 31.Kf4 g5 32.Kg4 gh4 33.Rab1 Qe2 34.Qf3 Qf3 35.Rf3 h5 36.Kf4-+) 29...Qf2 30.Rg1 (30.Nf3 Rd8 31.Qd8 Nd8 32.Rf1 f5 33.Kf4-+) 30...Qe3 (30...h5 31.Qh5 gh5 32.Kg5 f6 33.Kg6 Ne7 34.Kh5 Qf5 35.Kh6 Qg6) 31.Raf1-+ h5 (31...h5 32.Qh5 Qe2 33.Kf4 Qh5 34.g4 Qh6 35.Kf3 Re8 36.Kg3 Qh4 37.Kf4 Rh3 38.Rh1 Qf6) 0-1. BeepBeepImAJeep (2755) - xamax2000 (2660), lichess.org, 2020.

9.a3 Ba5 10.c4 d4 11.ed4 cd4 12.d3 (12.Nh4 Be6 13.Qb3 Re8=+) 12...Re8-/+ 13.Nh4 Be6 (13...Bc8 14.Bc1-/+) 14.g3 (14.Nd2!?=+) 14...Bh3 15.Ng2 Qe7 (15...Re7 16.Bc1-/+) 16.Bf3 Rad8 17.Nd2 (17.Bc1 Ne5 18.Bg5 Rd6-/+) 17...Ne5-+ 18.Nb3 Bc3 19.Bc3 dc3 (19...Nf3?! 20.Qf3 dc3 21.Rfe1=+) 20.Re1? (better 20.d4-+; better 20.d4-+) 20...c2 (worse 20...Rd3 21.Qd3 Nd3 22.Re7 Re7 23.Ne3-+) 21.Qe2 Qf8?? (better 21...Rd3 22.Qd3 Nd3 23.Re7 Re7-+; better 21...Rd3 22.Qd3 Nd3 23.Re7 Re7-+) 22.d4= Nc6 (22...Nf3 23.Qf3 Bg2 24.Kg2 Re1 25.Re1 Qa3 26.Qc3=) 23.Qc2 Nd4 24.Nd4 Rd4 (24...Re1 25.Re1 Rd4 26.Nf4 Qa3 27.Bb7=) 25.Bb7 (25.Re8 Qe8 26.Bb7 Qd7+=) 25...Rb8 (25...Re1 26.Re1 Qa3 27.Nf4=) 26.Bf3 (26.Reb1 Qc5 27.Ne3 Bd7+=) 26...Qc5 Exerts pressure on the isolated pawn. Exerts pressure on the isolated pawn (26...Bg2 27.Bg2 Qc5 28.Rab1+=) 27.Ne3 Be6 Increasing the pressure on the isolated pawn on c4. Increasing the pressure on 28.Rec1 (28.Red1 Rd1 29.Qd1 A) 29...Bc4? 30.Rc1+– (30.Nc4?! Qc4 31.Rb1 Rb1 32.Qb1 Qc7+=); B) 29...Ne8+–) 28...Nd7+= 29.Bd5 Bh3 (29...Nf6 30.Rcb1 Rc8 31.Be6 fe6 32.Rb7+–) 30.Qe2 (30.Qc3 Be6+–) 30...Nf6 (30...Re8 31.Rab1+=) 31.Rcb1 Re8 (better 31...Rb6+–) 32.Rb7 (better 32.Rb5!? Qc8 33.Rab1+–; better 32.Rb5!? Qc8 33.Qb2+–) 32...Nd5= 33.cd5 Bg4? (better 33...Rd5 34.Qc4 Qc4 35.Nc4 Rd7 36.Rd7 Bd7=; better 33...Rd5 34.Qc4 Qc4 35.Nc4 Rc8=) 34.Qb2+– Rde4 35.Rc1 Qd6 (35...Qf8 36.Ng4 Rg4 37.Ra7+–) 36.Rc6 (36.Rcc7 Rf8+–) 36...Qd8 37.Rcc7 Re3? (better 37...Bh5+–; better 37...Bh5+–) 38.fe3 Qd5 39.Qf2 (better 39.Rf7 Qf7 40.Rf7 Kf7+–; better 39.Rf7 Qf7 40.Rf7 Kf7+–) 39...Be6 40.Rb1 (40.Ra7 Qd1 41.Qf1 Qd2+–) 40...h6 (40...a6!?+–) 41.Ra7+– Qc5 (41...Qd3 42.Rb4+–) 42.Ra4 (42.e4 Qe5+–) 42...Bd7 (42...Bf5 43.Rf1 Bg6 44.Re1+–) 43.Rf4 (43.Rd4 Bc6 44.Rf1 Qe7+–) 43...Qd5 (43...Bc6 44.Re1+– (44.Rf7 Qd5 45.Rf3 Qf3 46.Qf3 Bf3-/+)) 44.Rd4 Qe6 45.Rbd1 (45.e4 Qc6+–) 45...Bc6 46.Qf4 (46.a4!? Qb3+–) 46...Qa2 47.R4d2 (47.e4 Qa3 48.Rd8 Qc5 49.Kg2 Rd8 50.Rd8 Kh7 51.Qf7 Qc2 52.Kh3 Qe4 53.Qg8 Kg6 54.Rd6 Kh5 55.Qf7 g6 56.Rc6 Qg4 57.Kg2 Qe2 58.Qf2 Qf2 59.Kf2 Kg5+–) 47...Qa3 48.Rd8 Qe7 49.Qd4 (49.Re8 Qe8 50.Rd6 Qa8+–) 49...Kh7 50.Qd3 (50.Re8 Qe8 51.Kf2 Qe6+–) 50...g6 (50...Be4 51.Re8 Qe8 52.Qd7 Qd7 53.Rd7+–) 51.Re8 Qe8 52.Kf2 Qe5 (52...Qe6 53.Rd2+–) 53.Rd2 (53.Qc4 Qf5 54.Qf4 Qc2 55.Ke1 Qc3 56.Kf1 Bb5 57.Kg1 Bc4+–) 53...Qh5 (53...Qf6 54.Ke1+–) 54.Ke1 Qa5 (better 54...Qe5+–) 55.Qb1?? (55.Qc4!? Qa1 56.Ke2 Qf6+–; 55.Qc4!? Be8+–) 55...Qe5? (55...Qc3 56.Qb2 Qe3 57.Re2 Qg1 58.Kd2=; 55...Qc3 56.Qb2 Qe3 57.Re2 Qg1 58.Kd2=) 56.Qd3 Qa1 (56...Qa5 57.Qc4 Qa1 58.Ke2 Qf6+–; 56...Qa5 57.Qc4 Qa1 58.Ke2 Qf6+–) 57.Rd1+– ½–½. Kuchkin,Maksim – Menseitov,Aziz (2015), UKR–ch U14 sf, 2004.

9.a3 Ba5 10.c4 d4 11.ed4 Nd4 12.Nd4 cd4 13.Qa4 Re8 14.Bf3 Bd3 15.Rd1 (15.Bb7? Bf1 16.Ba8 Bd3-+ (worse is 16...Qa8 17.Kf1 Qe4 18.Qd1 Qd3 19.Kg1-+)) 15...Qb6 16.Ra2 (better is 16.Qb5!? Rac8 17.a4-/+) 16...Qe6 17.g3?? (17.h4 Bc7 18.g3 Bc4 19.Ra1-+) 17...Qe1!! (17...Qc4?! 18.Qc4 Bc4 19.Ra1-+) 18.Re1 (18.Re1 Re1 Mate attack) 18...Re1 19.Kg2 Bf1 (19...Bf1 20.Kg1 Bh3#) 0–1. Neumann,Frank (1650) – Krause,Peter (2510), RSL – Einzelliga–Qualif., 2008.

9.Bb5 Re8 =+.

9.Nc3 d4 10.ed4 Nd4 11.Nd4 Qd4 12.Bf3 Rad8 13.Na4 Qd2 14.Qd2 Rd2 15.Bf6 gf6 16.c3?? Ba3-+ 17.Bb7 Bd7 18.Nc5 Bc5 19.Rad1 Bf2 20.Kh1 Rd1 21.Rd1 Be6 22.Rf1 Rb8 (22...Rb8 23.Rf2 Rb7-+) 0–1. Wall,Bill – Par Excellence, Mt View CA, 1986.

9.d3 d4 10.Nbd2 Re8 11.ed4 Bd2 12.Qd2= (12.Nd2 Nd4 (12...cd4 13.Bf3 Nd5 14.Nb3 Nde7 15.Rc1 Qd6 16.Re1 Rad8 17.Qd2=) 13.Bf3 Rb8 14.Rb1 b5 15.Nb3 Qd6 16.Nd4 cd4 17.Re1+=; 12.d5 Bc3 (12...Nd4 13.Nd4 cd4 14.Qd2 Qb6 15.Rab1 Qc5 16.Bf3 Nd5 17.Qg5+=; 12...Qd5 13.Qd2 Qd6 14.Rfe1 Nd4 15.Bd4 cd4 16.Rab1 Be6 17.Rb7+=; 12...Nd5 13.Qd2 Qd6 14.Rfe1 Nf4 15.Bf1 Rad8 16.Rab1 b6 17.Re3=) 13.Bc3 Nd5 14.Bd2 Qf6 15.Rb1 Ncb4 16.c4 Nc3 17.Bc3+=) 12...cd4 (12...Nd4 13.Nd4 cd4 14.Bf3 Rc8 15.Rfe1 Re1 16.Re1 Qb6 17.c4=) 13.c3 (13.Rfe1 Bg4 14.c3 dc3 15.Bc3 Nd5 16.Bb2 Rc8 17.a3=) 13...dc3 14.Bc3 Re2 15.Qe2 Bd3 (15...Qd3? 16.Qb2 Ne8 17.Qb7+–) 16.Qb2 Bf1 17.Rf1 b6 18.Bf6 Qf6 19.Qf6 gf6 20.Rc1 Rd8 21.Kf1 Ne5 22.Ke2 Rd5 23.Rc3 Ra5 24.a3 Ra4 25.h3 Nc4 The isolani on a3 becomes a target 26.Nd4 Na3 27.Nf5? (better is 27.Rc8!? Kg7 28.Nf5 Kg6 29.g4+=) 27...Nc4-+ 28.Rg3 Kf8 29.Rg7 0–1. pzn2pawn (1825) – NoSaint (1825), redhotpawn.com, 2016.

9.d3 d4 10.Nbd2 Re8 11.ed4 cd4 A) 12.Re1 Nd5 (12...Be6 13.a3 Ba5 14.Rc1 Bc3 15.Bc3 dc3 16.Ne4 Ne4 17.de4-/+; 12...Bg4 13.a3 Bc3 14.Bc3 dc3 15.Nc4 Qd7 16.Ne3 Be6 17.d4+=) 13.Rb1 Qf6 14.a3 Bc3 15.Bc1 Rab8 16.Rb5 Nf4 17.Nc4-/+; B) 12.Nb3 Bc3 13.Bc3 dc3 14.Re1 Qd5 15.Rb1 Re7 16.Bf1 Rae8 17.Re7-/+; C) 12.Rb1 Rc8 (12...Be6 13.a3 Ba5 14.Ne4 Bf5 15.Nfd2 Ne4 16.de4 Bd2 17.ef5+=; 12...Qd5 13.Re1 Rad8 14.a3 Bc3 15.Bc3 dc3 16.Nc4 Qd7 17.Ne3+=; 12...Bc3 13.Bc3 dc3 14.Nc4 b6 15.Re1 Be6 16.d4 Rc8 17.Nce5-/+) 13.Nb3 Bc3 14.Bc3 dc3 15.Re1 Qd6 16.Qc1 Bg4 17.h3-/+.

9.d3 d4 10.Nbd2 Re8 11.ed4 Nd4!? A) 12.Re1 Qa5 (12...Qb6 13.c3 Ne2 14.Re2 Re2 15.Qe2 Re8 16.Ne5 Ba5 17.Ndc4+=) 13.Nd4 cd4 14.Nb3 Qc7 15.Rf1 Bc3 16.Bc3 Qc3 17.Re1-/+; B) 12.Nd4 cd4+= 13.Bf3 Bc3 14.Bc3 dc3 15.Nc4 Rb8 16.Ne3 Be6 17.d4+=.

9.d3 d4 10.e4 Bg6 (10...Be6 11.c3 dc3 12.Nc3=+) 11.Nbd2 Ba5 12.Nc4 Bc7 13.Nh4 (13.c3 b5 14.Ncd2 dc3 15.Bc3 Nh5=) 13...b5=+ 14.Ng6 hg6 (14...fg6 15.Nd2=+) 15.Nd2= Rb8 16.f4 Re8 17.Nf3? (17.Bc1 Ba5=) 17...c4 (better 17...Bf4!? 18.Bc1 Qd6-/+) 18.Bc1 (worse 18.dc4 bc4 (18...Re4?! 19.cb5 Bf4 20.Kh1=) 19.Bc1 Ba5 20.Bc4 Bc3=+) 18...Ng4 (18...Bb6 19.Ng5=) 19.h3 (19.Ng5 Ne3 20.Be3 de3 21.dc4 b4+=) 19...Ne3= 20.Be3 de3 21.e5 Bb6 (21...g5 22.dc4 gf4 23.cb5 Ne5 24.c4=) 22.Kh2 (22.dc4 bc4 23.Rb1 c3=) 22...Nd4 (22...c3!?=+) 23.dc4= Ne2 (23...Nf3 24.Rf3 b4 25.Qd6=) 24.Qe2+= bc4 25.c3 (better 25.Rad1!? Qc8 26.Nd4+=) 25...Qd3=+ 26.Rfe1 Rbd8 27.Qb2 Qe4 28.Kg3 Rd3 29.Re2 Red8 30.Rae1 Ba5 Attacks the isolani on c3 31.Ng5 (better 31.Rc2!?-/+) 31...Qd5-+ 32.Re3 (32.Rb1 Rd2 (32...Bc3?! 33.Qb7-/+) 33.Rd2 ed2-+) 32...Bc3 (32...Rd2 33.Qb1 Rg2 34.Kh4-+) 33.Qf2 (better 33.Qc3 Rc3 34.Rc3-+) 33...Be1 34.Qe1 Re3 35.Qe3 Qd3 36.Kf3 (36.Qf3 c3 37.e6 fe6 38.Ne6 Rd5 39.Qd3 Rd3 40.Kg4 Rd5-+) 36...Qe3 37.Ke3 c3 (37...c3 38.e6 fe6 39.Ne6 c2 40.Nd8 c1Q 41.Ke4 Qb1 42.Kf3 Qa2-+) 0-1. e4_e5_f4 (1655) - Lukii20 (2385), Swiss L1 Team Battle, lichess.org, 2020.

9.d3 h6 10.a3 Ba5 11.Nbd2 b5 12.Nb3 Bb6 13.c4 dc4 14.dc4 bc4 15.Bc4 Qe7 16.Qe2 Bg4 (16...Rfd8 17.Rfd1=) 17.h3 Bh5 (17...Bf3 18.gf3 Ne5 19.Rfd1=) 18.g4 Bg6 19.Rad1 Rfd8 20.Rd8 Rd8 (worse 20...Qd8 21.Nh4 Be4 22.Nf5 Bf5 23.gf5+=) 21.Rd1 Rd6 (21...Rd1 22.Qd1 Bc7 23.Bf6 Qf6 24.Qd5=) 22.Rd6 Qd6 23.Qd2 (23.Nh4 Bh7=) 23...Ne4 24.Qd5 Qd5 25.Bd5 Ne7 26.Bc4 Nd6 27.Ne5 (27.Be2 f6=) 27...Bc2 28.Nd2 Nc4 29.Nec4 f6 30.f3 Kf7 (30...Bc7 31.Ne4 Be4 32.fe4=+) 31.Kf2 (31.Nb6 ab6 32.Nc4 Nc8=) 31...Ke6 (31...Bc7 32.Ne4 Be4 33.fe4=+) 32.Ke2 (32.Nb6 ab6 33.e4 Nc8=) 32...Nc6 (32...Bc7 33.h4=+) 33.Bc3 g6 (33...Bc7 34.Ne4=+) 34.Nf1 (34.Nb6 ab6 35.Nc4 b5=) 34...Bc7=+ 35.Nfd2 f5 36.Nf1 (36.gf5 Bf5 37.e4 Bh3=+) 36...a6 (36...Ba4 37.gf5 gf5 38.Nfd2-/+) 37.Nfd2=+ Kd5 (37...fg4 38.fg4 Ne5 39.Be5 Be5 40.Ne5 Ke5 41.Nc4 Kd5 42.Nb6 Ke6 43.Kd2=+) 38.Bg7 (38.e4 Ke6 39.gf5 gf5+=) 38...h5 (38...fg4 39.fg4 h5 40.e4 Ke6 41.gh5 gh5 42.Ne3=) 39.Bc3 (better 39.e4!? Ke6 40.ef5 Kf7 41.Bh8+=) 39...hg4 40.hg4 Bd8 (better 40...fg4!? 41.fg4 Ke6=+) 41.gf5 gf5 42.f4 (better 42.e4!? Ke6 43.Ne3+–) 42...Ba4 (42...a5 43.Bg7=+) 43.Nb2 (43.e4!? Ke6 44.Ne3 Bb5 45.Kd1=+) 43...Bb5=+ 44.Kf3 a5 (44...Ne7 45.Bf6=+) 45.Bg7 Bh4 46.Nb1 Ba6 47.Nc3 Ke6 48.Kg2 (48.Bf8 c4=+) 48...Kf7 49.Bh8 Kg8 50.Be5 Ne5 51.fe5 Kf7 52.Kf3 Ke6 53.Kf4 Be1 (53...Be7!? 54.e4 fe4 55.Ne4 c4=+) 54.Nca4+= Kd5 55.Nb6 Kc6 56.N6c4 Kd5 57.Nb6 Kc6 58.N6c4 Kd5 ½–½. Steiner,Peter Markus – Zerweck,Christoph (1920), 17th RLP–Senioren–Open, 2019.

9.d3 h6 10.Ne5 Ne5=+ 11.Be5 Re8 12.Bb2 Qd6 13.Nd2 Ba5 14.Bf3 Bc7 15.g3 Rad8 16.a4 b6 17.Re1 Nh7 18.e4= de4 19.Be4 Qg6 20.Bf5 Qf5 21.Qf3 Qg6 22.h4 Nf8 23.h5+= Qh7 24.Qc6 Re1 25.Re1 Bb8 26.Re8+– Re8 27.Qe8 Bc7 28.Qc8 (28.Qc8 Bd6 29.Ne4+–) 1–0. Fischbach,Rainer – Villumsen,Gert, corr ICCF Cup8/9 V170, 1990.

9.Nh4 Be6 10.c3 Ba5 11.Nf3 a6 12.d3 b5 13.Nbd2 c4 14.a4 Qc7 15.ab5 ab5 16.dc4 bc4 17.Qc2 Rfb8 18.Ra2 Bb6 19.Ba3 Bg4 20.Rfa1 Ra7 21.h3 Bh5 22.Bf1 Bg6 23.Qc1 Rba8 24.Qb2 h6 25.Nh4 Bh7 26.Nhf3 Rb8 ½–½. Baroin,Bernard (2015) – Endean,Andrew (1665), IECG, 2004.

10.Ba3 b6 11.d4 (11.Qa4 Qd6=+ (11...Qc7 12.Qh4 Rfe8 13.d3 Ne5 14.Ne5 Qe5 15.Bb2 Re7 16.Nd2=+) 12.Nd4 Bd7 13.Nc6 Bc6 14.Qh4 Rae8 15.d4 Ne4 16.Bd3=+; 11.Bb2 Qd6 12.d3 Rab8 13.Nbd2 b5 14.a4 a6 15.d4 c4 16.ab5=+; 11.d3 Re8 12.Bb2 Qe7 13.Nbd2 b5 14.a4 Rab8 15.ab5 Rb5 16.Qc2=+; 11.Re1 Re8 12.d3 d4 13.e4 dc3 14.Qc2 Ne4 15.de4 Be4 16.Qc1-+; 11.Ba6 Qd7 12.d4 Bb1 13.Rb1 Ne4 14.Rc1 Nc3 15.Qc2 Nb4 16.Bb4=+) 11...Bb1 12.Rb1 Ne4 13.dc5 (13.Qc2 Nc3 14.Rbc1 Bb4 15.Bb4 cb4= 16.Ba6=) 13...Nc3=+ (worse 13...Nc5 14.c4 (14.Bb5 Ne7 15.Bc5 bc5 16.Qc2+=) 14...dc4 15.Bc4+= Qf6 16.Qc2+=) 14.Qc2 Re8 (14...Nb1 15.Rb1 Ne7 16.Nd4=+ (16.Ba6 bc5 17.Bb7=+)) 15.Bd3 (15.Rb3 Ne2 16.Qe2 d4=) 15...Nb1 16.Bh7 Kh8 17.Rb1 Qf6 (17...bc5!? 18.Qc5 Rc8=) 18.Bb2= Qh6 19.Bf5 Rad8 20.Rc1 b5 21.Nd4 Bc7 22.g3 (22.h3 a6+=) 22...a6= 23.Nc6 Qc6 24.Qe2 (24.Qd1 Be5 25.Qh5 Qh6 26.Qh6 gh6 27.Be5 Re5+=) 24...Be5+= 25.Be5 Re5 26.Qh5 Qh6 27.Qf7 (27.Qh6 gh6 28.g4 Re7=) 27...d4 (27...Re3 28.Rd1 Ree8 29.Rd5+=) 28.Rd1= Qf6 (28...Rc5?? 29.Rd4 (29.ed4?! Rc1 30.Rc1 Qc1 31.Kg2 Qc6 32.Kg1 Qe8=) 29...Rc1 30.Kg2+–) 29.Qh5 Kg8 (29...Qh6 30.Qh6 gh6 31.g4 Rc5 32.ed4=+) 30.g4+= g6 (30...d3 31.c6 Qc6 32.Bh7 Kh8 33.Qe5 Kh7 34.Qf5 Qg6 35.f4+=) 31.Qg6 Qg6 32.Bg6 Rc5 (32...Kg7 33.f4 (worse 33.ed4 Kg6 34.de5 Rd1 35.Kg2 Rd2-+) 33...de3 34.Rd8=) 33.Kg2 (33.Bf5 Kg7+=) 33...Rc4 (33...Kg7 34.Bf5+=) 34.Bf5 Kf7 35.ed4 (35.f4 Ra4 36.Rd2 Ke7+–) 35...Rcd4 (35...Rdd4 36.Re1+=) 36.Rc1 (36.Re1 Rd1 37.Rd1 Rd1+=) 36...Rd2 37.Rc7 (37.Rc2 Rc2 38.Bc2 a5+=) 37...Kf6 (37...Kf8 38.Be6+=) 38.a3 a5 (38...R8d4 39.Rc6 Ke7 40.Re6 Kf7 41.Kf3+=) 39.Rb7 (39.Ra7 a4+=) 39...Rb2 40.Kg3 (40.Rb6 Kf7+=) 40...Rd4= 41.h4 b4 (41...Ra4 42.Rb6 Kg7 43.h5 Ra3 44.f3+–) 42.ab4 Rdb4 (42...Rbb4 43.Ra7 a4 44.Ra6 Ke5 45.Re6 Kd5 46.Re3+–) 43.Ra7+– a4 44.f3 R2b3 (44...Ra2+–) 45.h5 (better 45.Bc2 Ra3 46.g5 Ke5 47.g6+–) 45...a3+= 46.h6 Rb7 47.Ra8 (47.Ra5 Kf7+–) 47...Rb8 48.Ra6 (48.Ra5 Kg5 49.Ra6 R3b6 50.f4 Kh6 51.Ra3 Kg7+–) 48...R8b6 49.Ra7 (49.Ra5 Kf7 50.g5 Rb8+–) 49...Rb7 50.Ra6 (better 50.Ra5 Kf7 51.Be4+–) 50...R7b6= 51.Ra7 ½–½. Sadeghi,Hassan Roger (2150) – Pinter,Jozsef (2515), Open, Interlaken SUI, 2003.

10.Ba3 Bb6 11.d4= Qd6 (11...Ne4 12.Bd3=) 12.Nbd2 Ne4 13.Rc1 Rfd8 14.c4 Nd2 15.Qd2 dc4 16.Rc4 Qd5 (16...Be6 17.Rcc1+=) 17.Bc5+= Bc5 18.Rc5 Qc5 19.dc5 Rd2 20.Nd2 Rd8 21.Nb3 Bd3 (21...Be4 22.f3 Bf5 23.Rd1+/-) 22.Bd3 Rd3 23.h3 Kf8 24.Rb1 b6 25.cb6 ab6 26.Kf1 Nb4 (26...Rd7 27.Ke2+/-) 27.Ke2 Rd6 28.a4 (28.Nd4 Nd5 29.Kd3 Ke8+/-) 28...Na2 29.Ra1 Nc3 30.Ke1 Ke7 (30...Rd8 31.a5 ba5 32.Na5+/-) 31.Nd4 g6 (31...Rd5 32.Kd2 Ne4 33.Ke2+/-) 32.Ra3 Ne4 33.Ke2 Nc5 34.Nb5 (34.a5 ba5 35.Ra5 Ne6+/-) 34...Rd7 35.Nd4 Rd6 36.f3 Ne6 (36...Kf6 37.a5 ba5 38.Ra5+/-) 37.Ne6 Ke6 38.Rc3 h5 39.Rc4 f5 40.Rd4 (40.g3 g5+/-) 40...Rc6 41.Kd3 Kf7 (41...Rc5 42.e4+/-) 42.Rc4 Rd6 43.Kc3 Rd1 (43...g5 44.e4 Kf6 45.Rd4 Rc6 46.Kd3+/-) 44.Rc7+– Kf8 45.Rb7 Rg1 46.Rb6 Rg2 47.a5 Ra2 48.a6 Kf7 (48...g5 49.Kd4+–) 49.Kc4 (better is 49.h4!? Ra4+–) 49...g5 50.Kb5 (50.e4!? fe4 51.fe4 g4 52.hg4 hg4+/-) 50...g4+/- 51.hg4 fg4 52.fg4 hg4 53.Rb7 Kf6 54.a7 g3 55.Rb6 Kf7 56.Ra6 Ra6 57.Ka6 g2 58.a8Q g1Q 59.Qd5 Kg7 (59...Ke7 60.Qe5 Kd7 61.Qf5 Ke7 62.Qe4 Kd6 63.Qd3 Ke5 64.Kb5+/-) 60.e4 Qa1 (60...Kf6 61.e5 Kf5 62.e6 Kf6 63.Qd6=) 61.Kb5 Kf6 62.Qd6 Kf7 63.e5 Qb2 64.Kc6 Qc2 65.Kd7 Qa4 66.Kc7 Qc4 67.Kd8 Qh4 68.Kd7 Qa4 69.Kc7 Qc4 70.Kb6 Qb3 71.Kc6 Qc4 72.Kb6 Qb3 73.Kc7 Qc4 74.Kd7 Qa4 75.Kc7 Qc4 76.Kb6 Qb3 77.Kc5 Qc3 78.Kd5 Qd3 79.Kc6 Qc4 80.Kd7 Qa4 81.Kc7 Qc4 82.Kd8 Qh4 83.Kd7 Qa4 84.Kc8 Qc4 85.Kb7 Qb5 86.Kc7 Qc4 87.Kb8 Qb5 88.Kc8 Qc4 89.Kd7 Qa4 90.Kc7 Qc4 91.Kb6 Qb3 92.Kc5 Qc3 93.Kd5 Qd3 94.Kc6 Qc4 95.Qc5 Qc5 96.Kc5 Ke6 97.Kd4 Ke7 98.Kd5 Kd7 99.Kd4 Ke6 100.Ke4 Ke7 101.Kf5 Kf7 ½–½. Karathanasi,Eirhnh (1635) – Louka,Magdalini (1620), Porto Rio Greece, Youth Championship, 2016.

10.Ba3 Qd6 11.d4 (11.Nd4 Bc7 12.f4 Nd4 13.cd4 b6 14.Nc3 Rfc8 15.Rc1 Bd8 16.Na4=; 11.Qa4 a6 12.d4 b6 13.c4 Rfd8 14.Rd1 dc4 15.Qc4 Nb4 16.Ng5=; 11.Qc1 b6 12.d4 Rac8 13.Rd1 Rfe8 14.Nbd2 Ne4 15.Ne4 Be4 16.Nd2=) 11...b6 12.Nfd2 Ne4 13.Ne4 Be4 14.Nd2 Bc3 15.Rc1 Bd4 16.ed4=.

10.Qb3 Qe7=+ 11.Ba3 (11.d3 Rfe8 12.Nbd2 Rab8 13.a4 Rbd8 14.Rfe1 Bc7 15.c4 dc4 16.Qc4=+; 11.c4 d4 12.Bd1 Qd7 13.Qb5 Bb6 14.ed4 Nd4 15.Qd7 Nd7 16.Nd4=+; 11.Qa4 Rfe8 12.Bb5 Bc7 13.c4 Be4 14.cd5 Nd5 15.d3 Bf3 16.gf3-/+) 11...b6 12.d4 Rac8 13.Bb5 Nb8 14.dc5 bc5 15.Rd1 a6 16.Be2=+; B) 10...c4 11.Qd1 Re8 12.d3 Qb6 13.Ba3 Qa6 14.dc4 dc4 15.Bb2 Rad8 16.Nbd2-/+.

10.c4 A) 10...dc4 11.Bc4 (11.Na3 c3 12.Bc3 Bc3 13.dc3 Ne4 14.Qd8 Rad8 15.Rfc1 a6 16.c4=+) 11...Nb4 12.a3 Nd3 13.Qb3 Nb2 14.Qb2 Rb8 15.a4 b6 16.d4=+; B) 10...Qe7 11.Nc3 (11.Qb3 d4 12.Bd1 Qd7 13.Qb5 Bb6 14.ed4 cd4 15.c5 Qd5 16.Ba4=; 11.d4 Rad8 12.Qb3 dc4 13.Qc4 cd4 14.Nd4 Nd4 15.Bd4 b6 16.Qb5=; 11.cd5 Nd5 12.Qb3 Rad8 13.Rc1 Be6 14.Qa4 Bb6 15.Nc3 Ndb4 16.a3=+; 11.a3 Rad8 12.cd5 Nd5 13.Qb3 Rfe8 14.d4 cd4 15.Nd4 Be4 16.Rd1=+) 11...d4 12.Nd5 Qd8 13.ed4 Nd5 14.cd5 Qd5 15.dc5 Qc5 16.Rc1=; C) 10...d4 11.ed4 (11.Qb3 d3 12.Bd1 Qd6 13.Nc3 Rfe8 14.Rb1 Rab8 15.Nb5 Qd8 16.Nc3=+) 11...cd4 12.Qb3 Qb6 13.Qb5 Bg4 14.a4 Rfe8 15.c5 Qc7 16.h3=+; D) 10...Nb4 11.Na3 Ne4 12.d4 b6 13.dc5 bc5 14.Nb5 a6 15.Nc3 Rb8 16.cd5=+.

10.d3 Qb6 11.Qb3 Rfe8 12.Nbd2 Qa6 13.c4 Bd2 14.Nd2 Nd4 15.Bd4 cd4 16.cd5 de3 17.fe3 Re3 Pawn d3, live or die! 18.Rf5 Re2 19.Ne4 Ne4 20.de4 Re4 21.Raf1 Re7 (21...f6 22.d6 Kh8 23.Rd1=+) 22.d6= Qd6 23.Rf7 Rf7 24.Qf7 ½-½. marekt (2165) - wojwys (2095), gameknot.com, 2019.

10.d3 Qd6 11.c4 (11.Nbd2 Rfe8 12.Rb1 c4 13.Qc2 Rac8 14.Ba1 b6 15.Ne1 Nb4 16.Nc4-/+; 11.Re1 Bc7 12.Nbd2 Rfe8 13.c4 d4 14.ed4 Nd4 15.Bd4 cd4 16.Nb3=+; 11.Na3 Qe7 12.Rb1 Rae8 13.c4 d4 14.Nc2 b6 15.Nh4 Bd7 16.Bf3=+; 11.d4 b6 12.c4 Rfd8 13.dc5 bc5 14.Na3 d4 15.Nb5 Qb8 16.ed4-/+) 11...dc4 12.dc4 Qe6 13.Qb3 Rad8 14.Nc3 Rfe8 15.Rad1 Nb4 16.Qa3=.

10.d3 Qe7 11.Qb3 (11.Nbd2 Rfe8 12.Re1 Rad8 13.Qa4 Bc7 14.Rab1 a6 15.h3 c4 16.Ba3=+; 11.Re1 Rfe8 12.Nbd2 Rad8 13.Qa4 Bc7 14.Rab1 a6 15.h3 c4 16.Ba3=+; 11.Qa4 Bc7 12.Nbd2 Rfe8 13.Rfe1 Rad8 14.Rab1 a6 15.h3 c4 16.Ba3=+; 11.Qc2 Rae8 12.Re1 Bc7 13.Nbd2 c4 14.a4 Bd6 15.Rab1 Qe6 16.Rbd1-/+) 11...Rfe8 12.Nbd2 Rad8 13.Rad1 Bc7 14.Rfe1 a6 15.c4 dc4 16.Qc4=+.

10.d3 Re8 11.Re1 (11.Nbd2 Qe7 12.Re1 Rad8 13.Qa4 Bc7 14.Rab1 a6 15.Rbd1 Ne5 16.Ne5=+; 11.a3 Bc7 12.Nbd2 Qe7 13.Re1 Rad8 14.Qa4 a6 15.Qh4 Nd7 16.Qe7=+; 11.Qb3 Qe7 12.Nbd2 a6 13.a4 Rad8 14.Rfe1 b6 15.Rad1 Qd6 16.Qc2=+; 11.a4 Qe7 12.Nbd2 Rad8 13.Qb3 d4 14.cd4 Bd2 15.Nd2 Nd4 16.Bd4=+) 11...Qb6 12.Qb3 Qa6 13.Rd1 b5 14.a4 Rab8 15.ab5 Qb5 16.Qb5=+.

11.Na3 Qe7 12.c4 dc4 13.dc4 Rad8 14.Qb3 Nb4 15.Nb5 Bb8 16.Bc3=+.

11.Qb3 Qe7 12.Na3 Rad8 13.Rfe1 Ne5 14.Ne5 Be5 15.Rad1 Ng4 16.h3=+.

11.c4 dc4 12.dc4 Qe7 13.Qb3 Rad8 14.Bf6 Qf6 15.Nc3 Na5 16.Qa3=.

11.Nbd2 Qe7 12.c4 dc4 13.dc4 Rad8 14.Qb3 Rd7 15.Bc3 Ba5 16.Ba5=+.

11.Re1 Qd6 12.c4 d4 13.ed4 Nd4 14.Bd4 cd4 15.Nbd2 Rfe8 16.Nb3=+.

11.h3 Re8 12.Nbd2 Qd6 13.g3? (13.c4 d4 14.ed4 Nd4 15.Bd4 cd4=+) 13...Rad8?? (better 13...Bh3 14.Re1 Re3-+) 14.Kg2-/+ Re3!! 15.c4 (15.fe3 Qg3 Deflection) 15...Rde8 (better 15...Re7-+) 16.Ng1?? (better 16.Re1 R3e6 17.Bf6 Rf6 18.Rb1-+) 16...Rg3! 17.fg3 (17.fg3 Qg3 Mate attack) 17…Qg3 (17...Qg3 18.Kh1 Qh2) 0-1. e4_e5_f4 (1710) - chebi34 (2445), Swiss L2 Team Battle, lichess.org, 2020.

10.a3 d3 11.ab4 de2 12.Qe2 cb4 13.d4 +=.

10.a3 d3 11.ab4 de2 12.Qe2 Bd3 13.Bf6 gf6 14.Qd1 cb4 15.Re1= a5 16.Qb3 Ne5 17.Rc1 Nf3-+ 18.gf3 Kh8 19.Kh1 Rg8 20.Nc3 Qd7 21.Rg1 Qh3 22.Qd1 Rg1 (22...Rg1 23.Qg1 Rg8 24.Qg8 Kg8 25.Rg1 Kf8-+) 0–1. Pierred (2310) – Heyplay (2435), Rated game, 3m + 0s, 2005.

10.d3 Qe7 11.e4 Rfe8=+ 12.Nbd2 Rad8 13.Qc2 Ba5 14.Rfe1 Bg4 15.h3 Bh5 16.a3 Rd6 17.Nh4= Re6 18.Nf5 Be2?? 19.Ne7+– R8e7 20.Re2 (20…Nh5 21.Rb1+–) 1–0. Merten,Rainer – Pagni,Carlo, corr 3GMM–55, 1995.

10.d3 Re8 11.a3 Ba5 12.Qb3 de3 13.Qb7 -+.

10.ed4 cd4 11.d3 Re8 12.Nbd2 Qe7 13.Re1 Bg4 14.Kf1 Qd6 15.g3 Re7 16.Ng1 Rae8 17.f3 Bf5 18.Qc2 Nd7 19.a3 Ba5 20.a4? Nb4 21.Qb3 Nc5 22.Qd1 Nbd3 23.Ba3 Qh6 (23...Qh6 24.Ne4 Ne1 25.Qe1 Be1 26.Bc5 Bc3 27.Nc3 Bh3 28.Ke1 Qe3-+; 23...Ne1 24.Qe1 Qh6 25.g4 Bd2 26.Qg3-+) 0–1. hal1958 – alin, playchess.de, 2002.

10.Na3 Qe7 11.c4 Rfd8 12.Qb3 Nb4 13.d4 Ne4 14.Rfd1 a6 15.Rac1 b5=+ 16.Ba1? dc4-+ 17.Bc4 bc4 18.Nc4 Bc7 19.dc5 Rd1 20.Rd1 Qc5 21.Nce5 Be6 22.Qb2 Qc2 23.Rc1 Qb2 24.Bb2 Be5 (24...Be5 25.Ne5 Na2-+) 0–1. De Visser,Arno – Wind, NBC, 1981.

10.Nbd2 Bc7 11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Re8 15.f4 Nd5 16.e4 Ne3 17.Qc1 Nf1 18.ef5 f6 19.Bh5 fe5 (worse is 19...Be5 20.fe5 Re5 21.Be5 fe5 A) 22.Kf1?! Qd3 23.Kg1 c4+= (23...Qf5? 24.Qc5 Rc8 25.Qe7+–); B) 22.Qf1 Qd4 23.Kh1+–) 20.Be8 Qe8 (20...Qd3? 21.Bc6 Rb8 22.Qf1 Qe3 23.Qf2 Qf2 24.Kf2 ef4 25.Re1+–) 21.Kf1 ef4 (better is 21...Qd7!? 22.Kg1 ef4-/+) 22.Qc5= Qd7 23.Qd4 Rd8 24.Qd7 Rd7 25.Rc1 Bb6 26.Rc8 Kf7 27.Rh8 (better is 27.Ke2!?=) 27...Rd3-/+ 28.Rh7 Bd4 29.Bd4 Rd4 30.Rh3 Ra4 31.a3 Kf6 32.Rb3 a6 33.g4 fg3! 34.Rg3 Rf4 35.Ke2 Rf5 36.Rc3 Re5 37.Kf3 Re6 38.h4 Kg6 39.Rc5 Kh6 40.Kf4 g6 41.Rc8 Rf6 42.Kg4 Rd6 43.Rh8 Kg7 44.Rb8 Rd3 45.a4 Rd4 46.Kg5 Rd5 47.Kg4 ba4 48.Rb7 Kh6 49.Rb6 Ra5 50.Rb2 a3 51.Ra2 Ra4 52.Kh3 Kh5 53.Kg3 a5 54.Kh3 Rh4 55.Kg3 Ra4 56.Kh3 g5 57.Kg3 g4 58.Kg2 Kg5 59.Kg3 Kf5 60.Kf2 Kf4 61.Kf1 Kf3 62.Ke1 g3 63.Kf1 Ke3 64.Ke1 g2! 65.Rg2 a2 66.Rg3 Kf4 (66...Kf4 67.Rg6 a1Q 68.Ke2 Qb2 69.Kd3 Rd4) 0–1. Okon,Dariusz (2195) – Panczyk,Krzysztof (2340), XXIV Int Tourn Police Poland, 2009.

10.Nbd2 Bc7 11.c4 dc4 12.Nc4 Qe7 13.Qb3 Rab8 14.a4 Rfd8 15.Rfd1 a6 16.Na3 Na5 17.Qc2 Nd5 18.e4 Nf4=+ 19.Bf1 Bg4-/+ 20.Qc3 Ne6 21.Be2 Bf3 22.Bf3 Nd4 23.Kf1? Nab3 24.Nc4 Na1 25.Ba1 b5 26.Ne3 Be5 27.Qa3 (27.Be2 Nf3 28.Qa5 Nh2 29.Kg1 Ba1 30.Ra1 Qe5-+) 0–1. Schoenwaelder,Bernd (2120) – Ikonnikov,V (2545), Deizisau GER, 2007.

10.Nbd2 Bc7 11.c4 dc4 12.Nc4 Qe7 13.Rc1 Rfd8 14.d4 cd4 15.Nd4 Nd4 16.Bd4 b5 17.Nd2 a6 18.Nf3 Bd6 19.Bd3 Bd3 20.Qd3 Qe6 21.Qb3 Qb3 22.ab3 a5 23.Bf6 gf6 24.Nd4 a4 25.Nb5 a3 26.Rc2 Bf8 27.Nd4 Rdc8 28.Ra2 Rc3 29.Rb1 Rb8 30.Kf1 ½–½. Bonetti,Shane (2180) – Rensen,Martin (2000), RM–2010-0-00057, 2010.

10.Nbd2 Bc7 11.c4 Bg6 12.Bf6+= gf6 13.cd5 Qd5 14.Qb3 Qd7 (14...Rfd8 15.Qb7 Nd4 16.Qc7 Ne2 17.Kh1 Bd3 18.e4=+) 15.Rfd1 Rad8 16.Ne4 (16.Rac1 Bd6+/-) 16...Be4 (16...Qe7 17.Rac1 b6 18.Nc3+/-) 17.de4+/- Qe7 18.Bc4 Na5 19.Qc2 Rd1 20.Rd1 Rd8 (20...Nc4!? 21.Qc4 Rd8 22.Rd8 Qd8+/-) 21.Bd5 c4 22.Nd4 Qe5 23.f4 Qh5 24.Nf5 Bb6 25.Kh1 Nc6 (25...h6 26.Rf1+-) 26.g4 (26.Rb1!? Kf8+-) 26...Qh3+/- 27.Qe2 c3 28.Rc1 (28.Rg1 Nb4+/-) 28...Ba5 (28...Nb4!?+/-) 29.Rg1+- Kf8 (better 29...Nb4 30.a3 Nd5 31.ed5 Kh8+/-) 30.Rg3 c2 31.Qc2 (31.Qc2 Qf1 32.Rg1 Qf3 33.Qg2 Qg2 34.Rg2+-) 1-0. Osmak,Iulija (2425) - Martin Carmona,Gaston Manuel (2285), Titled Tuesday 9th Mar, 2021.

10.Nbd2 Bd2 11.Nd2 Re8 12.Rb1 Rb8 13.Nf3 h6 14.Ba1 Nd7 15.Qc1 Nb6 16.Qa3 Qe7 17.Rb5 Nd7 18.Qb2 Nf6 19.Qa3 (19.d4 b6=) 19...b6 20.Rbb1 (20.Re1 Nb4 21.Bf6 Qf6 22.Qa7 Nc2=) 20...Rbc8 21.Qa4 d4 22.e4 Be6 (22...Bd7 23.c3+=) 23.Nd2 (23.c3 Qd7=) 23...Qc7 24.Bb2 Rb8 25.c4 Bd7 26.Qd1 a6 27.f4 Re7 28.h3 b5 29.Ba3 b4 30.Bc1 a5 31.g4 (31.e5 Ne8=) 31...g5 (better is 31...Rbe8!?+=) 32.Qe1 gf4 (32...Nh7 33.fg5 hg5 34.Nf3=) 33.Nb3 Ne5 34.Bf4 (worse is 34.Rf4 Nh7=) 34...Re6 (34...Rb6 35.Qh4+/-) 35.Qg3 White intends g5 (35.Be5 Qe5 36.Rf5 Qd6+–) 35...Nh7 36.Nd2 Ng5 37.h4 Nh7 38.Nf3 White plans g5 38...f6 39.g5 (39.Bh6 Nf3 40.Qf3 Rb7+–) 39...hg5 (39...Kh8 40.g6 Rg8 41.h5+–) 40.hg5+– Ng5?? (40...Kh8+–) 41.Ne5 (better is 41.Ng5 fg5 42.Qg5 Rg6 43.Qg6 Ng6 44.Bc7+–) 41...Re5+/- 42.Be5 (42.Rf2 a4+/-) 42...Qe5+= 43.Qe5 (43.Kf2 Kg7+=) 43...fe5= 44.Kh2 Kg7 45.Kg3 Nh3 46.Bg4 Bg4 47.Kg4 Nf4 48.Rbd1 (48.Kf5 Rh8 (worse is 48...Nd3 49.Rg1 Kf7 50.Rb3+–) 49.Ke5 Nd3 50.Kd5 Rh5 51.Kc6 Rh3+=) 48...a4 (48...Rf8 49.Kg5+=) 49.Kf5= Re8 (better is 49...Ng6!?=) 50.Rg1+/- Kf7 (50...Kf8 51.Rh1 Kf7 52.Rh6+–) 51.Rh1 Ng2? (better is 51...a3!?+/-) 52.Rh7+– Kg8 53.Rdh1 Ne3?? (53...Rf8 54.Ke5 Nf4 55.Rh8 Kg7 56.Rf8 Nd3 57.Kd6 Kf8+–) 54.Kf6 Rf8 (54...Ng4 55.Kg5 Kf8 56.Kg4 b3+–) 55.Kg6 1–0. Alvarado Diaz,A (2115) – Salazar De La Cruz,JM (1700), Cto de Canarias Juvenil, 2011.

10.Nbd2 Ba5 11.c4 d4 12.ed4 cd4 13.Nb3 Bc7 14.Nbd4+= Nd4 15.Bd4 Bg4 16.Be5+/- Qd7 17.Bc7 Qc7+= 18.Nd4 Be2 19.Qe2 Rfe8 20.Qf3 a6 21.Rab1 Rab8 22.Nf5 Re5 23.Rfe1 Rbe8 24.Re5 Re5 25.g3 g6? 26.Nh6+– Kg7 27.Rb7 Qc5 28.Rf7 Kh6 29.Qf4 Rg5 30.h4 (30.h4 Kh5 31.hg5 Qg5 32.Qf3 Kh6 33.Qf6 Qf6 34.Rf6+–) 1–0. Ranby,Hans – Kempe,Anders, corr SSKK 2–745, 1991.

10.Nbd2 Rad8 11.Nb3!? =.

10.Nbd2 Rad8 11.c4 Bd2 12.Nd2 d4 13.e4 Bc8 14.f4 Qd7 15.h3 Qe7 16.Bc1 Ne8 17.Nf3 Kh8 18.a3 b6 19.Qe1 Nd6 ½–½. Lebel,Patrick – Ranario,Dan, 14th ch–NATO, 2003.

10.Nbd2 Rad8 11.Nh4 Bc8 12.Rb1 Ba5 13.Re1 Bc7 14.g3 b6 15.f4 Rfe8 16.Bf3 Re7 17.a3 h6 18.e4 de4 19.Nc4 Qd5?? 20.Bf6+/- gf6 21.Re4 Re4 22.Be4 Qd4 23.Kg2 Ne7 24.Qh5 f5 25.Bf3 Kg7 26.Re1+= Be6 27.Ne3 Qf6 28.Kf2 b5 29.Rb1 a6 30.Bb7 Rd6 31.Re1 a5 32.Bf3 b4 33.Nc4 Rd4 34.ab4 cb4=+ 35.Ne5 a4 36.g4?? Rf4-+ 37.g5 hg5 (37...hg5 38.Ng2 Be5 39.Nf4 Bf4-+) 0–1. Bjelstrand,Kim – Berg,Klaus, DEN–chJ int Ribe, 1978.

10.Nbd2 Rfe8 11.a3 Ba5 12.Rb1 =.

10.Nbd2 Rfe8 11.Nb3 =.

10.d4 c4 -/+.

10.Nbd2 Bd2 11.Qd2 Rfe8 12.Rad1 Rad8 13.Rfe1 b6 14.Qc1 Bg4 15.Qa1 Rd6 16.c4 Ne4?? (Better is 16...d4 17.h3 Bh5=) 1–0. Over_Rated (2745) – Foe_hammer (2630), ICC, 2003.

10.Nbd2 Rad8 11.Rb1 Rfe8 (11...Ne4 12.de4 de4 13.Qc1=+) 12.a3= Bd2 13.Qd2 b6 14.Rfe1 Qd6 15.Rbd1 Bg4 16.h3 Bh5 17.Nh2 Be2 18.Qe2 d4 19.e4 Nd5 20.Qd2 Nc7 21.f4 Qh6 (21...b5 22.Nf3=+) 22.Qf2 Qh5 23.Bc1 (23.Qg3 f5=+) 23...Nb5 24.Ng4 Nc3 25.Qg3 Kh8 26.Rd2 f5 27.ef5 (27.Nf2 Rd6-/+) 27...Re1-/+ 28.Qe1 Re8 29.Qf1 Qf5 30.Rf2 h5 31.Nh2 Qe6 32.Nf3 Ne2 33.Kh2 Nc1 34.Qc1 Qe3 35.Qe3 de3 36.Re2 Nd4 37.Nd4 cd4 38.Kg3 Kh7 39.h4 (39.c3!? dc3 40.Kf3-/+) 39...Kg6-/+ 40.Kf3 Kf5 41.g3 Rc8 42.c4 (42.Rg2 a6-/+) 42...Re8 (better 42...dc3!? 43.Rc2 b5 44.Ke3 a5-+) 43.Rb2-/+ Rc8 44.Rb5 Rc5 45.Rb2 Ra5 46.Ra2 b5 (46...a6 47.Ra1-/+) 47.cb5 Rb5 48.Rc2 Ra5 (better 48...Rb3!? 49.Rc5 Kf6 50.Rc6 Kf7 51.Rc7 Kg6 52.Ra7 Rd3 53.Ra6 Kh7-/+) 49.Rc4= Ra3 (49...e2!? 50.Ke2 Kg4=) 50.Rd4+– a5 51.Rd5 Ke6 (51...Kg6 52.Ke3 Ra1 53.Rg5 Kh6 54.f5+–) 52.Re5 Kf6 53.Ke3 (53.Rh5 Rd3 54.Ra5 e2 55.Ke2 Rg3+–) 53...g6 54.Ke4 a4 55.Ra5 ½–½. Cottarelli,Franco (1885) – Ziltener,Werner (2115), Open Internazionale, 2010.

10.Nbd2 Rad8 11.Nb3 Na5?? 12.c3+– Nb3 13.ab3 d4 14.cb4 de3 15.Bf6 gf6 16.bc5 Qc5 17.d4 Qe7 18.Ra7 Kh8 19.Ra2 Rg8 20.Kh1 Rg7 21.fe3 Qe3 22.Bc4 Bg4 23.Qd2 Qe4 24.Qd3 Qd3 25.Bd3 Bf3 26.Rf3 Rd4 27.Ra8 Rg8 28.Rg8 Kg8 29.Kg1 h6 30.Kf2 Kg7 31.Ke3 Rb4 32.Bc4 b5 33.Bd5 Rh4 34.h3 Rh5 35.Kd4 Rg5 36.Rd3 Kf8 37.Kc5 (37.Kc5 b4 38.Kb4+–) 1–0. Pacchiarini,Marco – Nitti,Francesco, corr ITA ASIGC M51, 1987.

10.Nbd2 Rfd8 11.c4 (11.Nb3 c4 12.Nbd4 Be6=) 11...dc4 (11...Bd2 12.Nd2 dc4 13.Nc4-/+) 12.Nc4= b5 13.Nce5 Ne5 14.Ne5 Rac8 Black intends c4 15.Bf3 (15.a3 Ba5=) 15...c4 16.Nc6? (better 16.Bd4!? Nd5 17.dc4 bc4 18.Qa4=) 16...Rc6!-+ 17.Bc6 c3 (17...Bd3?! 18.Bd4=+; 17...Rd3 18.Qf3 Bd7 19.Bf6 Qf6 20.Qf6 gf6 21.Bd7 Rd7 22.Rfd1+/-) 18.Bc1 Bd3 19.a4?? (19.Qb3 Bc4 20.Qc2-+) 19...c2 (19...Bf1?! 20.Qf1 ba4 21.Ba4-/+) 20.Qf3 Bf1 21.Kf1 (21.Bb2 Ba3! 22.Bd4-+) 21...Rd1 22.Ke2 Re1 23.Kd3 Qd6 (23...Qc5 24.Qf6 Qc4) 24.Kc2 Qc5 25.Kb2 (25.Kb3 Qc3 26.Ka2 Qc2 27.Bb2 Qc4) 25...Qc3 26.Ka2 Qc2 27.Bb2 Qc4 0-1. Osmak,Iulija (2425) - Svane,R (2610), Titled Tuesday, 2021.

10.Nbd2= Rae8 11.Nb3 d4=+ 12.a3 Bc3 13.Bc3 dc3 14.d4 cd4 15.Nfd4 Be4 16.Nc6 Bc6 17.Qd4 Ne4 18.Bd3 b6=+ 19.Qb4 Bd5 20.Qe7 Re7 21.Rfb1 Rc8 22.a4 Re5 23.Nd4 Nd2 24.Rb5 Rc5 25.h4 Bc4 26.Bc4 Nc4 27.Ne2 g6 28.Rb3 Rh5 29.g3 Nd2 30.Rba3 (30.Rc3 Rc3 31.Nc3 Rc5=) ½–½. "lasker" (2210) – Skipslot (2185), internet, 2007.

10.Nbd2 Rfe8 11.a3 Ba5 12.Nb3 Bc7 13.Re1 b6 14.Rb1 a6 15.Qd2 h6 16.a4 Rab8 17.h3 Qd6 18.Kh1 d4 19.ed4 Nd5 20.Bf1 Re1 21.Re1 cd4 22.Nbd4 Nd4 23.Bd4 Qd7 24.c4 Nf4 25.Be5 Ng6 26.Bc7 Qc7 27.d4 Rc8 28.c5 bc5 29.Ba6 Rd8 30.Qc1 Qd6 31.Qc5 Qa6 32.Qf5 Qa4 33.Kg1 Qa8 34.Kh2 Qb7 35.Rc1 Nf8 36.Rb1 Qc7 37.Qe5 Qe5 38.de5 Ne6 39.Rb6 Kf8 40.Nh4 Nd4 41.Kg3 Ke7 42.f4 g5 43.fg5 hg5 44.Nf3 Nf3 45.Kf3 Rd5 46.Ke4 Rd2 47.g3 Rf2 48.g4 Rf4 49.Kd5 Rf3 50.Rh6 Re3 51.Rh5 Rf3 52.Rg5 Rh3 53.Rf5 Rh6 54.Rf4 f6 55.ef6 Rf6+= 56.Rf6 (56.Rb4 Kf7+=) ½–½. pierre – Ellada, ChessHere.com, 2006.

10.a3 Ba5 11.Nbd2 Bc7 12.Nb3 (12.c4 dc4 13.dc4 Qe7=+) 12...b6 (12...Bd6 13.Rb1=+) 13.Re1 h6 (13...Qe7 14.Qd2=+) 14.Nbd2 a6 15.Nf1 (15.c4 dc4 16.dc4 Qd6=) 15...b5 (15...Qe7 16.N1d2=+) 16.Ng3 (16.c4 dc4 17.dc4 Rb8=+) 16...Bh7 (16...Bg3 17.hg3 Rb8 18.Qd2=+) 17.c4 Ba5 (17...d4 18.ed4 Ba5 19.dc5 Be1 20.Ne1 bc4 21.Bf3=+) 18.Rf1 d4 (18...d4 19.cb5 ab5=+). Khayman,Daniel – Valentin,Florea (1765), FICGS, 2006.

10.a3 Ba5 11.Nbd2 d4 12.Nb3 de3 13.Na5 Na5 14.Nh4 =+.

10.a3 Ba5 11.Nbd2 Qe7 12.Nb3 Bb6 13.Re1 Qd6 14.Qd2 Bc7 15.Rab1 Rad8 16.h3 Nd7 17.Qc3 f6 18.a4 b6 19.Nbd2 Nde5 20.Ne5 fe5 21.e4 d4 22.Qb3 Be6 23.Nc4 Qe7 24.Bg4 Bf7 25.Qa3 Nb4 26.Re2 a6 27.a5 b5 28.Nb6 Rb8 29.Bf5 Bb6 30.ab6 Rb6 31.Qa5 Reb8 32.Bc1 h5 33.h4 Qh4 34.g3 Qe7 35.Rb2 Be6 36.Kh2 Bf5 37.ef5 Qb7 38.Re5 Qf3 39.Bf4 h4 40.Qa1 Qf2 41.Kh3 hg3 42.Re4 Rf8 43.c4 Qf3 44.Bg5 Rf5 45.Bh4 Nd3 46.Qd1 Qd1 (46...Qd1 47.Bf6 Qh1 48.Kg4 Qh5 49.Kg3 Rf3 50.Kg2 Qh3 51.Kg1 Rf1) 0–1. Walker,John T (1940) – Suess,Franz, ICCF FM/0603, 2007.

10.Nbd2 Ba5 11.Nb3 Bb6 =.

10.Nbd2 Ba5 11.c4 dc4 12.Nc4 Bc7 13.Qb3 Rb8 14.a4 a6 15.Na3 (15.a5 Na5 16.Na5 Ba5 17.Bf6 gf6=) 15...Nd5 16.Rfd1 b6 17.Qc4 Na5 18.Qc2 (18.Qa6?? Nb4 19.Qa7 Nac6 20.Qb8 Bb8-+) 18...Qe7 19.Rac1 Nb4 20.Qc3 f6 21.d4 Kh8 22.Qe1 (< 22.dc5 Na2 23.Qd2 Nc1 24.Qc1 Nb3-+ (24...Qc5?! 25.Ba6 Nb3 26.Qc4 Qc4 27.Bc4=+)) 22...Bd7 23.dc5 bc5 (23...bc5 24.Rc5 Ba4=+). Kreuzer,Uwe – Rohde,Friedhelm, corr SOK–96–113, 1996.

10.Nbd2 Ba5 11.Nh4 Be6=+ 12.g3 (12.Nb3 Bc7=+) 12...Bh3 13.Ng2 Qe7 14.Nb3 Bb6 15.Bf6 (15.a4 Na5=+) 15...Qf6-/+ (< 15...gf6 16.Bg4 Bg2 17.Kg2+=) 16.Bg4 Bg4 17.Qg4 c4 18.dc4 Re4 (18...Ne5 19.Qe2 dc4 20.f4 cb3 21.fe5 Qe5 22.ab3-/+) 19.Qd7 dc4 20.Nd2 Re7-/+ 21.Qg4 Ne5 22.Qf4 Qc6 23.Nh4=+ f6 24.Nf5 Ree8 25.Nd4 Qd5 26.Rfd1 Rad8 27.N2f3 Nf3 28.Qf3 Bd4 29.Qd5 Rd5 30.Rd4 Rd4-/+ 31.ed4 Re2 32.Rc1 Rd2 33.c3 Ra2 34.Kg2 Kf7 35.Rb1=+ b6 36.Rb4 Ke6 37.Rc4 Kd7 38.Kf3 a5 39.Ke3 Rc2 40.h4 h5 41.f3 Kd6 42.Rc8=+ a4 43.Kd3 Rg2=+ 44.Kc4 a3 45.Ra8 a2 46.Kb5 Rb2 47.Kc4 Rg2 48.Ra6 Kc7 49.d5 Kb7 50.Ra3=+ g5 51.d6? gh4 52.d7=+ Kc7 53.Ra7 Kd8 54.Kd5?? h3 55.Kc6-/+ h2?? (55...h2 56.Ra8 Ke7 57.d8Q Kf7 58.Qg8 Ke7 59.Qe8; 55...Rd2 56.Ra8 Ke7 57.Re8 Kf7=) 0–1. Weigel,Ha – Stanke,J, Open A Hamburg GER, 2005.

10.Nbd2 b5 11.Nb3 c4 12.Nbd4 Nd4 13.Bd4 a6 14.Ne5 (14.a4 Be7=) 14...Bd6=+ 15.f4 Bc8 (15...Qe7 16.a4=+) 16.Qe1 (16.a4 cd3 17.cd3 b4+=) 16...Qc7 17.Qg3 Bc5 18.Rf3 (18.Bc5 Qc5 19.a4 b4=) 18...Bd4 19.ed4 Qb6 (19...Bf5 20.Rf2-/+) 20.c3=+ Bg4 21.Re3 (21.Ng4!? Re2 22.Nf6 Qf6 23.dc4 bc4 24.Re3=) 21...Be2-/+ 22.Re2 cd3 23.Qd3 Ne4 24.Rae1 Qc7 Exerts pressure on the backward pawn (24...Rac8 25.Rc2-/+) 25.Re3 (25.c4!?=+) 25...f6 26.Nf3 Qf4 27.g3 (27.a4 ba4 28.c4 Nd6 29.cd5 Re3 30.Re3 Rc8-/+) 27...Qc7 28.Nd2 Nd6 (28...f5 29.a4 ba4 30.c4 dc4 31.Nc4-/+) 29.Re8 Re8 30.Re8 Ne8 31.Qe3 Kf7 32.Nb3 Qe7 33.Qf3 Nc7 34.Nc5 Qe1 35.Kg2 Qd2 36.Kh3 Qa2 (better 36...Kg6-/+) 37.Qf5?? (37.Qg4 Qd2 38.Qd7 Kg6 39.Qc7 Qc3=) 37...Qa5?? (better 37...Qe2 38.Qd7 Qe7-+) 38.Qd7= Kg6 39.Qg4 Kf7 40.Qd7 Kg6 41.Qg4 Kf7 42.Qd7 ½-½. Jankowski,Igor (1660) - Majocha,Piotr (2005), 15th Baltic Pearl Open, 2019.

10.Nbd2 Qe7 11.a3 Ba5 12.Nb3 Bb6 13.a4 Ng4 (better is 13...d4 14.e4 Bd7=+) 14.Ba3? (better is 14.Nfd2 Nge5 15.a5=) 14...Ne3!-+ 15.fe3 Qe3 16.Kh1 Qe2 17.Qe2 (17.Nc5 Qd1 18.Rad1 Bc5 19.Bc5 b6-+) 17...Re2 18.Bc5 (18.Ng1 Re5 19.Nc5 Bc5 20.Bc5 d4-+) 18...Bc5 19.Nc5 Rc2 20.Nb7 Bd3 21.Rfc1 Nb4 22.Nd4 Rc4 (22...Rc4 23.Nb5 Nc2-+) 0–1. mtr – ANSKY, internet, 2001.

10.Nh4 Be6-/+ 11.Nf3 Qc7 12.Ng5 (12.Nbd2 Bf5+=) 12...Rad8 (12...Bf5!?-/+) 13.Bf6= gf6 14.Ne6 fe6 15.Bh5 Re7 16.Qg4 Kf8 (16...Kh8 17.Qh4 Qe5 18.c3+=) 17.f4= Qc8 18.Qh4 f5? (18...Kg7 19.c3 Ba5 20.Rc1=) 19.Qf6?? (19.c3 Ba5 20.Qf6 Kg8 21.Rf3+/-) 19...Kg8= 20.Rf3 Rdd7? (better is 20...Be1=) 21.Rg3 Rg7 22.Qe6 Kh8 23.Rg7 Rd8?? (23...Kg7 24.c3 Ba5+–) 24.Qf7 Rd7 (24...Nd4 25.Rh7) 25.Rh7 1–0. Jeriominas,Jurijus – Maziukaite,Kristina, Vilnius LTU, Open, 2014.

11.Nbd2 Qc7 12.Nb3 Bb6=+ 13.Rc1 Rac8 14.c4 dc4 15.Rc4 Ne7 16.Bf6+/- gf6 17.Nc5 Bc5 18.d4 (18.d4 b6 19.dc5 bc5 20.Qa4+/-) 1–0. pierred (2595) – inspector (2330), net–chess.com, 2008.

11.Nbd2 Bc7 12.c4 dc4 13.Nc4 b5 14.Ncd2 Nb4 15.e4 Bg4 16.h3 Bh5 17.a4 ba4 18.Qa4 a5 19.Rfd1 Nfd5 20.g3 Qc8 21.Rac1 Nb6 22.Qa1+= (22.Qa1 Bd6 23.Bg7+/-) 1–0. marekt – michail, ChessWorld.net, 2005.

11.Nbd2 Bc7 12.Re1 Qd6 13.c4 d4 14.ed4 Nd4 15.Bd4 =+.

11.Nbd2 Qd6 12.Rc1 Bc7 13.c4 d4 14.ed4 cd4 15.Nb3 Nh5 16.g3 Nf4-/+ 17.Re1 Ne2 18.Re2 Bg4 19.h3 Bh3 20.Re8 Re8 21.Qd2 Qg6 22.Re1 f6 23.Re8 Qe8 24.Nbd4 Nd4 25.Bd4 Bg4 26.Kg2 Qc6 27.Qe3 b6 28.Qe4 Qe4 29.de4 Be6 30.Nd2 Kf7 31.f4 Ke7 32.f5 Bf7 33.Kf3 g5 34.Nf1 Bc4 35.Ne3= Ba2 36.Ng4 ½–½. pierre – curator, internet, 2006.

11.Nbd2 Qd6 12.Re1 Rad8 13.c4 d4 14.ed4 cd4 15.Rb1 =+.

11.Nbd2 Qe7 12.Re1=+ Rab8 13.Qc1 Rbd8 14.Nb3 Bb6 15.Ba3 =.

11.Re1 d4 12.e4 Be6 13.Ng5 Qd6 14.Ne6 Re6 15.Qb3 -/+.

11.a3 Ba5 12.Nb3 Bb6 13.e4 Bc8 14.a4 Qd6 15.c3 dc3 16.Bc3 Nh5 17.g3 Bh3 18.Re1 Bd8 19.Rc1 a6 20.Bb2 b6 21.d4 cd4 (21...Re4? 22.Nfd2 Ng3 23.hg3+– (23.Ne4 Ne4 24.Bh5 Bc7-+)) 22.Nfd4 (22.Nbd4?! Nd4 23.Qd4 Qh6+=) 22...Nd4 23.Bh5 (23.Bd4?! Nf4 24.Bf3 Qg6+=; 23.Nd4?! Nf6 24.Bf3 Qe5+=; 23.Qd4?! Qd4 24.Bd4 Nf6+=) 23...g6 24.Nd4 gh5 25.Qh5 Bd7 26.Nf5 Qg6 27.Nh6 Kf8 28.Qd5 Be7 29.Qd7 Qh6 30.Rc6 Qg5 31.Qd5 b5 32.Qg5 Bg5 33.ab5 ab5 34.Rc5 Ra2 35.Rb5 (35.Rg5?! Rb2 36.Kg2 b4+=) 35...Be7 36.Rd1 Rc8 37.Kg2 Ra4 38.Rd4 Raa8 39.Rd7 Rab8 40.Rb8 Rb8 41.Be5 Rb3 42.Bd6 Bd6 43.Rd6 Rb4 44.Kf3 1–0. Guilloux,Jean Yves (2065) – Hlavacek,Ladislav (1885), IECG, 2004.

11.a3 Ba5 12.Nb3 Bb6 13.e4 Be6 14.Nbd2 Bc7 15.c3 Bf4 16.cd4 cd4 (worse 16...Nd4 17.Nd4 cd4 18.Nf3+=) 17.Rb1 Bg4 18.Nb3 The pressure on the isolated pawn grows 18...Bf3 19.Bf3 Re7 20.g3 Bc7 21.a4 Rc8 22.Rc1 Re5 23.Rc4 Bb6 24.Qa1 Rc7 25.Rfc1 Ne8 26.Qa3 Nd6 27.R4c2 a6 28.Bg2 Rh5 29.f4 Rh6 30.Nc5 a5 31.e5 Nf5 (31...Bc5!? 32.Rc5 Nf5+=) 32.Nb7!+/- Rb7 33.Rc6 Rc6 34.Rc6 Qd7 35.Be4 Rb8 36.Qb3 Ba7 37.Qc4 Ne3 38.Qc1 g6 (38...Qe8 39.Ba3+-) 39.e6! Qb7 (39...fe6 40.Rc7 Combination) 40.Rd6 (40.Rd6 Qe7 41.Rd7 Qe6 42.Ra7+-) 1-0. marekt (2125) - pawnraider (2085), gameknot.com, 2019.

11.a3 Ba5 12.Nb3 de3 13.Na5 Na5 14.Nh4 =+.

11.a3 Bc3 12.Bc3 dc3 13.Nb1 Qa5 14.a4 b5 15.Na3 b4 (worse 15...Qa4 16.Nc4 Qb4 17.Nd6+=) 16.Nc4 Qc7 17.Qb1 Be6 18.Qa2 Na5 19.Rfd1 Rad8 20.g3 (20.Ng5 Bd5-/+) 20...h6 21.Rab1 Nc4 22.dc4 Bg4 23.Kg2 Qb7 24.Qb3? (24.h3 Bf5-+) 24...Rd2 (better 24...Ne4!? 25.Rd5 Nd2 26.Nd2 Be2-+) 25.Rd2 cd2 26.Qd3 Ne4 27.Rd1 a5 28.Ra1 (28.h4 Qc6-+) 28...Qe7 29.Nd2 Bh3! 30.Kg1 (30.Kh3 Nf2 Double attack) 30...Qf6 31.Rf1 Nd2 32.Qd2 Bf1 (32...Rd8 33.Qe1-+) 33.Bf1 Rd8 34.Qe2 Qc3 35.e4 (35.Bg2 Qa1 36.Bf1 Qa4-+) 35...Rd2 (35...Qd2 36.e5-+) 36.Qg4 Qe5 (36...Qc2?! 37.Qc8 Kh7 38.Qf5 Kh8 39.Qc8 Kh7 40.Qf5 Kg8 41.Qc8 Kh7=) 37.Qc8 Kh7 38.Qg4 Rc2 (38...Rc2 39.Bd3 Rc3-+) 0–1. Pierre – GuestDqrqv, internet, 2020.

11.e4 Be6 12.Ng5 Bc8 13.Ngf3 (13.a3 Bc3 14.Bc3 dc3+= 15.Nb1 Qa5 16.Bh5 Nd8 17.Be2 b5+=) 13...h6 (13...b5 14.a3 Bc3 15.Bc3 dc3 16.Nb3 (16.Nb1-/+ b4 17.Re1 Nd4-/+) 16...Qd6 17.Qc1 Be6+=) 14.Nb3 Qd6 (14...Qb6 15.a3 Ba5 16.Na5 Qb2 17.Nc6 bc6=) 15.Nfd2 (15.a3 Bc3 16.Bc3 dc3= 17.Qe1 c4=; 15.Rb1 Bc3 16.Bc3 dc3 17.Qe1 c4+=) 15...Be6 (15...b5 16.f4 Bb7 17.a3 Bc3+=) 16.f4 Qc7 (16...Qe7 17.f5 Bb3+=) 17.Qc1 (17.f5 Bb3+=) 17...b6 (17...Bg4+=) 18.Rf2 Bc3 19.e5 Bb2 20.Qb2 Nd5 21.Nc4 g5 22.fg5 hg5 23.Qc1 Nf4 24.Bf3 (better is 24.Nd6!?=) 24...Bc4-/+ (worse is 24...Ne5 25.Ne5 Qe5 26.Ba8 Ra8 27.Qf1+=) 25.dc4 Re5 26.Qf1 Rf8 27.g3 Ne6 28.Re1 28...Re1 29.Qe1 Ne5 30.Bd5 Ng4 31.Be6 Qe7 32.Rf7 Rf7 33.Qe4 Ne3 34.Qg6 Kf8 35.Qh6 Ke8 36.Bf7 Qf7 37.Nd2 Qf5 38.Qc6 Kf7-+ 39.Qa8 Qd7 40.h3 g4 41.hg4 Ng4 ½–½. Piriyev,Maksat – Bircan,Ibrahim, chessmoon.com, 2011.

11.e4 Qe7 +=.

10.a3 Bd6 11.Nc3 Qa5 12.Nh4 Bd7 13.g3 Rfe8 14.Bf3 g5 15.Ng2 a6 (15...Rad8 16.Rb1-/+) 16.Qd2 Be6 (better is 16...h6!?-/+) 17.e4= de4 18.Ne4 Qd2 (18...Ne4 19.Qa5 Na5 20.Be4=) 19.Nd2 g4 20.Be2 (20.Bc6!? bc6 21.Ne3=) 20...b5+= 21.Ne3 Bc7 22.c3 Ba5 23.Rfd1 Ne7 24.a4 Ned5 25.Nd5 Bd5 26.Bf1 Kg7 27.Rdc1 Re6 28.h3 h5 29.ab5 ab5 30.hg4 hg4 31.Re1 Re1 32.Re1 Bc7 33.Ra1 Re8 34.Ba3 Rh8 35.Bg2 Ra8 36.Bb2 Ra1 37.Ba1 Ba5 38.Bb2 (38.Nf1 Bg2 39.Kg2 Nd5-/+) 38...Kg6 39.Bf1 Be4 (39...Nd7 40.Be2 Nb6 41.Bd1-/+) 40.Bc4 (40.Be2!?-/+) 40...bc4-+ 41.Nc4 Bc7 42.Ne3 Bf3 0–1. frankvelbrati (1795) – marekt (2025), gameknot.com, 2014.

10.Ba3 Qa5 11.Bb4 Nb4 12.Qd2-/+.

10.Ba3 b5 11.Bb4=+ Nb4 12.Na3 (12.a3 Nc6=+) 12...a6 13.Ne5 Nd7 14.Nd7 Qd7 15.c3 Nd3 16.Nc2 Qd6 17.a4 (17.Ne1!? Ne1 18.Re1=+) 17...Nb2-/+ 18.Qd2 Na4 19.Ne1 Nb6 20.Qb2 Rfe8 21.Nf3 f6 22.Ra5 (22.Ra2!?-/+) 22...Na4-+ 23.Qb4 Qb4 24.cb4 Nc3 25.Re1 Ne2 26.Re2 c3 27.Re1 Rec8 28.Rc1 Rc4 Black prepares c2 29.Ra3 c2 30.Ne1?? (better 30.Nh4 Bg4 31.f3-+) 30...Rb4 31.Rc3 (31.Raa1 Rb1 32.g4-+) 31…Rb1 (31...Rb1 32.R3c2 Bc2 33.Rb1 Bb1-+) 0-1. bobby fissure (2105) - Diadoco (2305), ChessWorld.net, 2017.

10.Ne5 Qb6 11.Nc6 Qc6 12.a3 Bd6-/+ 13.Nc3 a6 14.h3 Qb6 15.Rb1=+ Bc7 16.Bg4 Qd6-/+ 17.g3 Ng4-+ 18.hg4 Bd7 19.Qf3-/+ Bc6 20.Kg2 Ba5 21.Rh1 Rae8 22.Qf5 g6 23.Qe4?? Qe7 24.Ne2?? f5 25.g5?? Rf7 26.Kh2?? Bc7 27.Qh4 f4 28.Kg1? fe3-+ 29.f4 Qe4 30.Rc1 Bd7 31.c3 b5 32.Re1 a5 33.Nc1 Ree7 (33...Ree7 34.Re2 Qf3-+) 0–1. Trigance,Eric – Pagni,Carlo, corr ICCF tt, 1990.

10.Ne5 Ne5 11.de5 Ne4 12.f3 Nc5 13.Nc3 Bc3 14.Bc3= b5 15.Bb4 Rc8 16.Qd4 Qb6 17.a4 ba4 18.c3 Bc2 19.Bd1 Bb3 20.Bb3 cb3-/+ 21.Rfb1 a5 22.Bc5 Rc5 23.Ra4=+ Rb8 24.Ra3 b2 25.Ra2 Rb5 26.Qd2 Rb3 27.Kf2 h6 28.h3 Qb5 29.Qe2 a4 30.Qb5 R8b5 31.Ra4 Rc3 32.Ra2 Rc2 33.Kg3 Rb6 34.Kf4 Rg2 35.Ra8 Kh7 36.Ra7 Rb4 37.e4 Rc2 38.e6? Rc1 39.e7?? Rb1 40.e8Q Rg1 41.Qf7 Re4!! 42.fe4 Rf1 (42...Rf1 43.Ke3 Rf7 44.Rf7 b1Q 45.ed5 Qb3 46.Kd4 Kg6-+) 0–1. Trigance,Eric – Zylla,Johannes, corr ICCF tt, 1990.

9.a3 Ba5 10.c4 Bf3 11.Bf3 d4 12.ed4 Nd4 13.Bd4 (13.Bb7? Rb8-+) 13...Qd4 14.Nc3 Bc3 15.dc3 Qc3 (15...Qc4 16.Bb7 Rad8 17.Qc2=) 16.Bb7 (16.Qa4 a5=) 16...Rad8 17.Bd5 (17.Qa4!?=) 17...Nd5=+ 18.cd5 Qd4 19.Qf3 Qd5 (19...Rd5?? 20.Rad1 Rd6 21.Rd4 cd4 22.Qb7+-) 20.Qe3 Rfe8 21.Qc3 Qd4 22.Qa5 c4 23.h3 (23.Rac1 Rc8-/+) 23...c3 24.Rfd1?? (better 24.Rac1 Rc8 25.Rfd1-/+) 24...Qd1-+ 25.Rd1 Rd1 26.Kh2 c2 27.Qa4 Rc8 0-1. brucepeng (1660) - lecw (2075), lichess.org, 2019.

9.a3 Ba5 10.d3 Bc7 (10...Re8 11.c4=+) 11.g3 (11.Nc3 Re8=) 11...Qe7 (11...b5 12.c4 a6 13.cd5 Nd5 14.Qc2=+) 12.Nh4 (12.Nbd2 Rab8=+) 12...Qe6 (12...Be6 13.Nf3-/+) 13.Bf3 (13.Bg4 Ng4 (< 13...Qg4 14.Bf6 Qd1 15.Rd1 gf6 16.Nf5+=) 14.Nc3 Be5-/+) 13...Be5 14.Bg4 Ng4 15.Be5 Nce5 16.Nd2 Rae8 17.Kg2 f5 18.h3=+ Nf6 19.Nhf3 Nf7 20.Nb3 b6 21.a4 g5 22.Rh1 f4 23.ef4 gf4 24.Re1 Qd7 25.Re8= Re8 26.a5 fg3 27.fg3 d4 28.ab6 ab6 29.Nbd2 Nd5-/+ 30.Nf1? Nc3-+ 31.Qc1 Re2 (31...Re2 32.Kg1 Qh3-+) 0–1. Koivumaki,Marko – Hermlin,Aarne, Lahti We LahS op, 2002.

9.c3 Ba5=+ 10.d3 Bc7 11.Nbd2 Re8 12.h3 (12.Qb3 Rb8=+) 12...Bh5 (12...Be6 13.c4=+) 13.Re1 Rc8 14.a4 (14.Qb3 Na5 15.Qb5 Be5=) 14...Qd6=+ 15.d4 (15.Qb3 Na5 16.Qb5 a6 17.Qe8 Re8-+) 15...c4 16.Ba3 Qd7 (16...Qe6 17.Ng5 Qf5 18.Bh5 Qg5 19.Bf3=+) 17.Nh2 (17.Rb1!? Ne4 18.Ne4 de4 19.Nd2 Be2 20.Qe2=+) 17...Be2-/+ 18.Re2 Na5 (18...Ba5 19.Qc2-/+) 19.Qc2 Ne4 (19...Qe6 20.Rb1=+) 20.Nhf1 f5 21.Rb1 Re6 22.f4 Rce8 23.Bb4 Nc6-/+ 24.Ne4 Nb4 25.cb4 Re4-/+ 26.Rbe1 Qe7 27.Qd2?? Bf4!-+ 28.g3 Bd6 29.Rb1 Qg5 30.Rg2 R8e6 31.Re1 Qh6 32.h4 f4! 33.gf4 Bf4! 34.Qf2 Be3 35.Ne3 Re3 36.Re3 Qe3 37.Rg5 Qf2 38.Kf2 c3 39.Rd5 c2 40.Rc5?? Rc6 41.Rc2 Rc2 42.Ke3 Rc4 43.d5 Kf7 44.Kd3 Rb4 45.a5 Rh4 (46.d6 Rh6-+) 0–1. Lazard,Alain – Guerin,Francois, FRA–ch op–B Paris, 1994.

9.c4 Rb8 10.a3 (10.cd5; 10.Qc2) 10...Ba5 11.cd5 (11.d4) 11...Nd5 12.d4 cd4 13.Nd4 Be2 14.Qe2 Qg5=.

9.c4 Qd6 10.a3 (10.cd5; 10.Qc2; 10.d4; 10.d3) 10...Ba5 11.d4 (11.d3 Bc7 12.Nbd2 d4 13.h3 Bh5 14.Rb1 b6=+) 11...cd4 12.Nd4 Bc7 13.g3 Be2 14.Qe2 Nd4=+.

9.c4 Qe7 10.a3 (10.cd5; 10.Qc2; 10.h3; 10.Re1) 10...Ba5 11.cd5 Nd5 12.Qa4 Be6 13.Rc1 Rac8 14.Bb5 Nb6=.

9.c4 Re8 10.a3 (10.d4; 10.Qc2; 10.cd5; 10.h3) 10...Ba5 11.d4 (11.Qb3; 11.cd5; 11.Qc2) 11...cd4 12.Nd4 Qb6 13.Qc2 dc4 14.Bc4 Ne5=+.

9.d3 Qd6 10.Nbd2 Ba5 11.Rb1 Bb6 (11...Rfe8 12.h3 Bf3 13.Bf3=) 12.Ba3 (12.h3 Bf5=) 12...Rfe8 (12...Rad8 13.Nb3=) 13.d4 Nd7 14.Nb3 Rab8 (14...Rad8 15.h3 Bf3 16.Bf3=) 15.dc5 Bc5 (15...Nc5!? 16.c4 Red8+=) 16.Nc5+/- Nc5 17.c4 Red8 18.cd5 Qd5 19.Qd5 Rd5 20.h3 Be6 21.Rfc1 b6 22.g4 Bd7 23.Bc4+– Rd6 24.Ng5 Be8 25.Bc5 bc5 26.Rb8 Nb8 27.Ne4 Rh6 28.Nc5 Rh3+/- 29.Rb1 Nc6 30.Kg2 Rh6 31.Bd3 Rd6 32.Be4 Rd8 33.Rb7 Ne5 34.Ra7 Ng4 35.a4 Kf8 36.Kg3 Nf6 37.Bb7 Rd2 38.Ne4 Ne4+/- 39.Be4 h6 40.a5 g6 41.Ra8 Ke7 42.a6 Ra2 43.a7 Bd7 44.Bd5 Ra1 45.f3 h5 46.f4 Ra3 47.Kh4 Ra1 48.e4 Ra3 49.e5 Ra1 50.Bb7 Ra4 51.Kg5 Ra3 52.Bg2 (52.Bd5 h4+–) ½–½. marekt – dedantas, internet, 2005.

9.d3 Qd6 10.Nbd2 Rfe8 11.h3 (11.Nb3 Bf5=) 11...Bh5 (11...Be6 12.Rb1=) 12.a3 (12.Nb3 b6=) 12...Ba5+= 13.Rb1 Re7 14.Nb3 Bc7 15.g3? (15.Bf6 gf6 16.Nbd2 Rb8+=) 15...Rae8 (15...Re3 16.Bc1 Ree8-+) 16.Re1?? (16.Nh4 Be2 17.Qe2 Re6=) 16...d4?? (better is 16...Re3 17.Bc3 R3e6-+) 17.ed4?? (better is 17.e4 Bf3 18.Bf3=) 17...Bf3-+ 18.dc5 (18.Bf3 Re1 19.Qe1 Re1 20.Re1 Nd4 21.Nd4 cd4 22.Bc1-+) 18...Be2 (better is 18...Qd5 19.Bf3 Re1 20.Qe1 Re1 21.Re1 Qf3-+) 19.cd6 (19.Re2 Qd7 20.Re7 Qe7-+) 19...Bd1 20.de7? (20.Re7 Ne7 21.Bf6 gf6 22.de7-+) 20...Bc2 21.Rbc1 (21.Bf6 Bb1 22.Rb1 gf6 23.Nd2-+) 21...Bb3 22.d4 (22.Bf6 gf6 23.Rb1 Nd4-+) 22...Bd5 (22...Be6 23.Kg2-+) 23.a4 h6 24.Ba3 (24.Re3 Bd6-+) 24...Ba5 25.Re2 (25.Red1 Ne7 26.Be7 Re7-+) 25...Nd4 26.Rb2 Nf3 (26...Ne4!? 27.Kg2-+) 27.Kf1 Nd2 28.Kg1 Nc4 29.Rb5 Na3 (29...Bd2!? 30.Rc4 Bc4 31.Rb7-+) 30.Ra5 Re7 31.Ra7 Bc6 (better is 31...Kh7 32.g4-+) 32.a5 (32.Ra8 Kh7-+) 32...Re8 33.a6 Nb5 34.Rb7 Bb7 35.ab7 Nd6 36.Rc7 (36.f3 Nb7 37.Kf2 Nd5-+) 36...Rb8 37.Rc6 Nb7 38.Rb6 Kf8 39.Kg2 Ke7 40.Kf3 (40.Rb2 Kd6-+) 40...Kd7 41.Rb4 (41.g4 Nd5 42.Rb2 Kc6-+) 41...Kc6 42.Rb3 (42.Ra4 Nd6-+) 42...Rd8 (42...Ra8 43.Rb2-+) 43.Ke3 (43.Rc3 Nc5-+) 43...Nd5 44.Kf3 Rd6 (44...Ra8 45.Rb2-+) 45.Rd3 (45.Ra3 Nc5-+) 45...Kc5 46.Ke4 (46.Ra3 Rb6-+) 46...Nf6 47.Ke3 Rd3 48.Kd3 0–1. Kramar,Matus – Sepesi,Teodor, MSR Mladeze – CH12, 2015.

9.d3 Re8 (--> 8.Bb2 Re8 9.d3 Bg4).

9.d4 c4 10.c3 Ba5 11.Nfd2 (11.Qc2 Qd7 12.Nbd2 Rfe8 13.Rfe1 Bf5 14.Qc1 Bc7=+; 11.Ne5 Ne5 12.de5 Be2 13.Qe2 Ne4 14.f3 Nc5-/+; 11.Ba3 Re8 12.Qd2 Rb8 13.Qb2 b5 14.Bb4 Bc7-/+; 11.Nbd2 Re8 12.Re1 Qd6 13.a4 Qe6 14.Qc1 Rad8-/+; 11.h3 Bf5 12.Nbd2 Re8 13.Nh4 Bd7 14.Nhf3 Qe7-/+; 11.a3 Re8 12.Nbd2 Bc7 13.Re1 Qd6 14.h3 Bf3-/+; 11.Re1 Re8 12.Nbd2 Qd6 13.Qc1 Ne4 14.Ba3 Qh6-/+) 11...Bf5 12.f3 Qb6 13.Qc1 Rfc8 14.Rf2 Bd3=+.

9.d4 c4 10.c3 Bd6 11.Nbd2 (11.Ba3 Ba3 12.Na3 Ne4=+ 13.Nb1 Qa5 14.Qc2 Rfe8=+; 11.a4 Re8 12.Ba3 Bb8 13.Nbd2 Qc7 14.h3 Bf5=+) 11...b5 (11...Re8 12.a4-/+ Qe7 13.Qc2 Bh5 14.Qf5 b6-/+) 12.h3 (12.a4 b4 13.cb4 Nb4 14.Bc3 Rc8-/+) 12...Bd7 (12...Bf5 13.a4 b4 14.cb4 Nb4-/+) 13.Qc2 (13.a4 b4 14.cb4 Nb4=+) 13...Re8 (13...a5 14.a3 Re8-/+) 14.a4 b4 15.cb4 Nb4 16.Qc3 Bf5 17.Ne5 (17.Rfc1!?-/+) 17...Nc2-+ Threatening Bb4 18.e4? (better 18.Ndc4 dc4 19.Bc4 Be5 20.de5 Na1 21.ef6-+) 18...Nd4!! (18...Na1?! 19.ef5 Nb3 20.Nb3-/+) 19.Qd4 Be5 (19...Re5 20.Bc4 dc4 21.Rad1-+) 20.Qe5 Re5 21.Be5 Ne4 22.Ne4 Be4 (22...de4?! 23.Bc4 Qg5 24.Bg3-+) 23.Rfe1 Qg5 24.Bg3 f5 25.Bf1 (25.h4 Qg6 26.Bf1 Qf6-+) 25...f4 26.Bh2 Rb8 (26...Rc8 27.Rac1-+) 27.Rac1 Rb2 (27...Rb2 28.Rc4 dc4 29.Re4 Rb1 30.Re8 Kf7-+) 0–1. Algra,Klaas – Stevens,F, corr NLD Z98, 1999.

9.d4 c4 10.c3 Be7 11.Ba3 (11.h3 Bf5 12.Ba3 Ba3 13.Na3 Ne4 14.Nb1 Re8-/+) 11...Ba3 12.Na3 Ne4 13.Qc2 Re8 14.Qb2 Qf6=+.

9.d4 c4 10.Ne5 A) 10...Bf5 11.Ba3 (11.Nc6) 11...Qe8 12.Bb4 Nb4 13.a3 Qa4 14.c3 Bc2=; B) 10...Be2 11.Qe2 Re8 12.Nc6 bc6 13.c3 Bd6 14.Ba3 Ba3=+.

9.h3 Bf3 10.Bf3 Re8 11.a3 =.

9.h3 Bf5 10.a3 Ba5 11.d4 c4 12.Bc3 Bc7 13.Nbd2 (13.Ne5 Ne5 14.de5 Ne4 15.Bd4 Re8 16.f4 Ba5-/+; 13.Bd2 Qe7 14.Ra2 Bd6 15.Rb2 Rae8 16.a4 Ne4-/+; 13.Ra2 Qe7 14.Ne5 Bd6 15.Nc6 bc6 16.a4 Rab8-/+; 13.Bb4 Re8 14.Re1 Ne4 15.Bd2 Qf6 16.Rf1 Qg6-/+) 13...Qe7 14.Qb1 Bd6 15.Qb2 Rfe8 16.Rfb1 b6=+.

9.h3 Bf5 10.a3 Ba5 11.d4 c4 12.Nc3 A) 12...Qe7 13.Nh2 (13.Qc1 Ne4 14.Qe1 Rad8 15.Ra2 Rfe8 16.Qa1 Nf6-/+; 13.Qb1 Rfe8 14.Nh4 Be6 15.Nf3 Ne4 16.Ne4 de4-/+; 13.Ra2 Rfe8 14.Nh4 Be6 15.Nf3 Ne4 16.Qa1 Rad8-/+; 13.Nd2 Rfe8 14.Bf3 Rad8 15.g4 Bg6 16.Bg2 Qe6-/+; 13.Nb5 Ne4 14.a4 a6 15.Ba3 Nb4 16.c3 ab5-+; 13.Ng5 Rfe8 14.Nf3 a6 15.a4 b6 16.Ba3 Qe6-/+; 13.g4 Be6 14.Ne5 Rfd8 15.Nc6 bc6 16.Rb1 Rdb8-/+; 13.a4 Rfe8 14.Ba3 Qd7 15.Na2 Ne7 16.c3 Ne4-/+; 13.Nh4 Bh3 14.gh3 Bc3 15.Bc3 Ne4 16.Bb4 Nb4-+; 13.Re1 Rfe8 14.Nd2 Qe6 15.Bf3 Re7 16.Ne2 Rae8-/+; 13.Kh2 Rad8 14.Kg1 Ne4 15.Nb1 c3 16.Bc1 Rfe8-/+) 13...Rfe8 14.Ng4 Rad8 15.Nf6 Qf6 16.Bg4 Qg6=+; B) 12...Re8-/+ 13.Rb1 (13.Qb1 Qe7 14.Rd1 a6 15.Ne5 Bc7 16.Nc6 bc6-/+; 13.Ra2 Qe7 14.g4 Be6 15.Ng5 Bd7 16.Nf3 Rad8-/+; 13.Nd2 a6 14.Nf3 b5 15.Ne5 Qd6 16.g4 Ne5-+; 13.Ne5 Qd6 14.Nb5 Qe6 15.Rb1 a6 16.Nc6 Qc6-/+; 13.a4 Bb4 14.Na2 Bd6 15.Nc3 Nb4 16.Rc1 Qa5-/+; 13.Rc1 Qe7 14.Ra1 a6 15.a4 b6 16.Rb1 Rab8-/+; 13.Ng5 Qe7 14.Nf3 a6 15.a4 Bb4 16.Nb1 b6-/+; 13.Kh1 Ne4 14.Ne4 de4 15.Ne1 Qd5 16.Rb1 b5-/+; 13.Nb5 Ne4 14.a4 Qe7 15.Ra2 a6 16.Na3 c3-/+) 13...Qe7 14.Qc1 Rab8 15.Re1 Qd7 16.Rd1 b5-/+.

9.h3 Bf5 10.a3 Ba5 11.d4 c4 12.Ne5 Re8 13.Bf3 (13.Nc6 bc6 14.Bc3 Bc7 15.Nd2 Rb8 16.Nf3 Ne4-/+) 13...Bc7 14.Ng4 Ng4 15.hg4 Be6 16.Nc3 Rc8-/+.

9.h3 Bf5 10.a3 Ba5 11.d4 c4 12.g4 Bc8 (12...Bg6 13.Bc3 (13.Nc3 Ne4 14.Ne4 Be4 15.Rb1 f5 16.Nd2 Bd2-/+; 13.Nh4 Ne4 14.Ng6 fg6 15.Bf3 Qd6 16.Bg2 Rae8-/+; 13.Ne5 Ne4 14.Ng6 fg6 15.Bf3 Qd6 16.Bg2 Rae8-/+) 13...Bc7 14.Nbd2 Re8 15.Qb1 b6 16.Qb2 Ne4-/+; 12...Be6 13.Bc3 Bc7 14.Nbd2 Ne4 15.Ne4 de4 16.Ne5 Ne5-/+; 12...Bd7 13.Ne5 Re8 14.Nd7 Qd7 15.Nc3 Qd6 16.Nb5 Qe7-/+) 13.Bc3 (13.Ne5 Ne4 14.Kg2 Qh4 15.Nf3 Qe7 16.a4 Qb4-/+) 13...Bc7 14.Nbd2 (14.Ne5 Ne5 15.de5 Ne4 16.Bd4 Re8-/+) 14...h5 (14...Qe7 15.Ne5 Bd6 16.Nc6 bc6-/+) 15.Ne5 Ne5 (15...hg4!? 16.Ng4 Qd6-/+) 16.de5=+ hg4 (16...Nd7 17.f4 Bb6=+) 17.Rb1 (17.ef6 Qd6 18.f4 gf3 19.Nf3 Qg3 20.Kh1 Qh3 21.Kg1 Qg4 22.Kh1 Qh5 23.Kg1 Qg6 24.Kh1 Qh6 25.Kg2=+) 17...Re8 (17...Nd7 18.Bg4 Be5 19.Be5 Ne5 20.Bc8 Qc8 21.Nf3 Nf3 22.Qf3-/+) 18.hg4=+ Be5 19.Be5 Re5 20.Nc4 Rg5 (20...dc4 21.Qd8) 21.f4 Ng4 (21...Rg4 22.Bg4 Bg4 23.Qd4 dc4 24.Rb7-+) 22.fg5-/+ Qg5 (22...Qg5 23.Qd2 Nf6 (23...dc4?! 24.Bg4 Bg4 25.Rf4-/+) 24.Kh2 Qh4 (24...dc4?! 25.Qd8 Kh7 26.Qd4=+) 25.Kg1 Bh3-+ (25...dc4?! 26.Bf3=+)) 0–1. Cetwinski,Olgierd (2210) – Baranowski,Tadeusz (2230), corr Poland–ch42, 1999.

9.h3 Bf5 10.a3 Ba5 11.d4 c4 12.Nh4 Be6 13.Nf3 Ne4 14.c3 Re8 15.Nfd2 Bc7 16.Ne4 de4-/+.

10.a3 Ba5 11.Qa4 Qd6 12.Qc4 Bc7 13.g3 b5 14.Qf4 Qf4=+.

10.a3 Ba5 11.Bc4 Bc7 12.h3 Bh5 13.d3 a6 14.a4 b6=+.

10.a3 Ba5 11.Bc4 Re8 =+.

10.Bc4 Ba5 11.d3 (11.h3 Bh5 12.d3 Nd5 13.a3 Qd6 14.Bb5 Rfc8=+) 11...Nd7 12.h3 Bh5 13.Bb5 Rc8 14.Na3 Nde5=+.

10.Bc4 Na5 11.Be2 c4 12.d3 Rc8 13.dc4 Nc4 14.Bd4 Bc5=.

10.Bc4 a6 11.a3 Ba5 12.h3 Bh5 13.Be2 Qd6 14.d4 cd4=+.

10.Bc4 Rb8 11.h3 (11.Qe2 Re8 12.a3 Ba5 13.h3 Bh5 14.Rd1 Ne4=+) 11...Be6 12.Be6 fe6 13.Qc2 Qd6 14.Rc1 Nd7=.

10.Bc4 Nd5 11.a3 Ba5 12.h3 Bh5 13.Bd3 Nf6 14.Be2 Qd6=.

10.Bc4 Qd6 11.a3 Ba5 12.h3 Bh5 13.d3 Rad8 14.Kh1 Nd7-/+.

10.Bc4 Qd6 11.Qc2 Rac8 (11...Bf3 12.gf3 Ne5 13.Be5 Qe5 14.Nc3-/+) 12.Ng5 (12.d3 Bf3 13.gf3 Ne5-/+) 12...Ne5-/+ 13.Be5 (13.a3 Nc4 14.Bf6+–) 13...Qe5-+ 14.f4?? (better is 14.f3 Bd7 15.a3 Qa1 16.Qb3-+) 14...Qe8 (better is 14...Qa1 15.h3 Bd7-+) 15.a3=+ Ba5 16.a4 Rd8 17.h3 Bc8 18.e4 h6 19.e5 hg5 20.ef6 Kh8 21.fg7 Kg7 22.Ra3 f5 23.Re3 Qg6 24.fg5 Qg5 25.Rfe1 Rd6 26.R1e2 Bd8 27.Nc3 Bf6 28.Kh2 f4 29.Rf3 Bf5=+ ½–½. Bonetti,Shane (2000) – Manole,Gheorghe (2000), P03–MDK, 2005.

10.Bc4 Qd6 11.d3 Rad8 12.a3 Ba5 13.h3 (13.Bb5 Rfe8 14.h3 Bh5=+) 13...Bh5 14.a4 (14.Kh1 a6=+) 14...Nb4 (14...Bg6 15.Na3=+) 15.Ra3 Bc7 16.Nbd2 Bg6 Now all is on d3 17.Ne5 Nfd5 18.Re1 Nb6 19.Qb3 Nc4 20.Ndc4 Qe6 21.Qc3 (21.e4 Rfe8=+) 21...Qf6=+ 22.Rc1 b6 23.d4 Bf5 24.Raa1 Rfe8 25.Rd1 Nd5 26.Qa3 cd4 27.Bd4 Qe6 28.Nf3 f6 29.Rac1 Bh3 (29...Be4 30.Ncd2=+) 30.gh3-/+ Qh3 With the decisive threat Re4. Black gets in control 31.Ncd2 Re6 Black threatens strongly f5 32.Rc7 Nc7 33.Qd3 f5 34.Qc4 Nd5 35.Be5 f4! 36.Bf4 (36.Qf4 Nf4) 36...Nf4 37.ef4 (37.Qf4?? Rg6 38.Ng5 Qh5-+) 37...Qg4 38.Kh1 Kh8 39.Rg1 Rh6 40.Nh2 Rh2! 41.Kh2 Qh4 42.Kg2 Rd2 43.Qc8 Rd8 44.Rc1 h6 45.Qf5 Qe7 46.Qe5 Qd7 (46...Qb7 47.f3 Qf7 48.Rc6-+) 47.f5 (47.Rc7!? Qg4 48.Kh2-+) 47…Re8 (47...Re8 48.Rc7 Re5 49.Rd7 Ra5-+ (49...Rf5?! 50.Ra7 Ra5 51.Rb7-/+)) 0–1. Schulz,Hans_Juergen – Byrne,Tony, TT–13.13 ETC, 2004.

10.Bc4 Nd7 11.Be2 Re8 12.a3 Ba5 13.Nc3 Nf6 14.Qc2 Qe7=.

10.Bc4 Ne4 11.a3 Ba5 12.Be2 Qe7 13.d3 Nf6 14.Qc2 Rad8=.

10.Bc4 Be6 11.Qc2 Rc8 12.a3 Ba5 13.Be6 fe6 14.Qc5 a6+=.

10.Bc4 Qe7 11.a3 Ba5 12.h3 Be6 13.Qc2 Bc7 14.d3 Bc4=.

10.Bc4 Re8 11.a3 Ba5 12.d3 Qe7 13.h3 Be6 14.Bb5 Bd7=.

10.a3 Ba5 A) 11.Nbd2 Bc7 (11...b5 12.a4 a6 13.Nb3 Bb6 14.ab5 ab5 15.c4=) 12.Rb1 Rab8 13.Re1 Rfe8 14.h3 Be6 15.Ng5=+; B) 11.h3 Bf5 (11...Be6 12.Nbd2 b5 13.c4 bc4 14.dc4 Rab8 15.cd5=; 11...Bd7 12.Nbd2 Rae8 13.Nb3 Bb6 14.Re1 Qd6 15.a4=) 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Re1 Qd6 15.a4=.

10.c3 Ba5 11.Nbd2 (11.Qb3 Rfe8 12.Nbd2 Rab8 13.a4 c4 14.Qc2 Bf5 15.Ba3=+; 11.Re1 Rfe8 12.Nbd2 Bc7 13.Rb1 Rab8 14.a4 Bf5 15.c4=+; 11.a3 Rfe8 12.Nbd2 a6 13.Re1 b5 14.a4 Bc7 15.ab5=+; 11.d4 Ne4 12.dc5 Rfd8 13.h3 Bf3 14.Bf3 Bc7 15.Qe2=+) 11...Rfe8 12.Re1 Rab8 13.Rb1 Bc7 14.Qc2 b5 15.a4=+.

10.Nbd2 Ba5 11.Rb1 Bb6 (11...Rab8 12.h3 Bf5 13.Nb3 Bb6 14.Ba3 Rbc8 15.Nfd4=; 11...Nd7 12.h3 Be6 13.d4 c4 14.Nc4 dc4 15.d5=; 11...Rfb8 12.c4 Be6 13.Ne5 Ne5 14.Be5 Rd8 15.Bf3=; 11...b6 12.Nb3 Rfe8 13.Na5 Na5 14.Re1 Rad8 15.a3=; 11...Ne8 12.c4 Rd8 13.cd5 Rd5 14.Nc4 Bc7 15.Qa4=; 11...Bd2 12.Qd2 b6 13.h3 Bf3 14.Bf3 Rad8 15.Rfc1=) 12.c4 Rad8 13.Re1 Be6 14.Qa4 Rfe8 15.Qc2=.

10.Nbd2 b5 A) 11.a3 Bd2 (11...Ba5 12.a4 a6 13.Nb3 Bb6 14.ab5 ab5 15.c4=) 12.Qd2 Rfe8 13.c4 bc4 14.dc4 d4 15.Rae1=+; B) 11.a4 a6 (11...ba4 12.Ra4 Rfe8 13.Nb3 Rab8 14.Ba1 Nd7 15.c3=) 12.Nb3 c4 13.Nbd4 Nd4 14.Bd4 Bd6 15.Qd2=.

10.Nbd2 d4 11.a3 (11.Nc4 b5 12.a3 Bc3 13.Nd4 cd4 14.Bg4 bc4 15.Bc3-+) 11...Bc3 12.Bc3 dc3 13.Nb1 Nd5 14.h3 Be6 15.a4=+.

10.Nbd2 Rad8 A) 11.a3 Ba5 (11...Bd2 12.Qd2 b5 13.Rab1 a6 14.h3 Bf3 15.Bf3=) 12.Rb1 Ne4 13.Ne4 de4 14.Ne5 Ne5 15.Bg4=+; B) 11.h3 Bf3 (11...Be6 12.a3 Ba5 13.Nb3 Bb6 14.a4 Nd7 15.d4=) 12.Bf3 Rfe8 13.a3 Bd2 14.Qd2 b6 15.Rfd1=.

10.Nbd2 Rfd8 11.a3 (11.h3 Bf3 (11...Be6 12.a3 Ba5 13.Nb3 Bb6 14.a4 Na5 15.d4=; 11...Bh5 12.a3 Ba5 13.Nb3 Bb6 14.Re1 Rac8 15.Rb1=; 11...Bd2 12.Qd2 Bf3 13.Bf3 Rd7 14.Rac1 Ne5 15.Be5=) 12.Bf3 Ne5 13.Rb1 Rab8 14.c3 Ba5 15.Be2=+) 11...Ba5 (11...Bd2 12.Qd2 b5 13.Rab1 a6 14.h3 Bf3 15.Bf3=) 12.c4 (12.Rb1 Ne4 13.c4 Bf3 14.Nf3 dc4 15.Qc2=+) 12...Bf3 (12...Bd2 13.cd5 Rd5 14.Qd2 (14.Nd2 Be2 15.Qe2=+) 14...Rad8 15.Qc2=+; 12...d4 13.ed4 cd4 14.Nb3 Bc3 15.Qc2=+) 13.Bf3= Bd2 14.cd5 Ne5 (14...Nd5 15.Qd2 Rac8 16.Qc2+=; 14...Na5 15.Ra2=) 15.Be5+= Qe5 Increases the pressure on d5 16.Qd2 Nd5 17.Rac1 Qe7 18.Qb2 Rab8 19.Rfd1 Nf6 20.a4 (20.d4 cd4 21.ed4 b6+=) 20...b6= 21.g3 Rd6 22.d4 cd4 23.Rd4 White gets strong play along the open c–file. 23...Rd4 24.Qd4 Rd8 25.Qf4 Ne8 26.h4 g6 27.h5 Qf6 28.Qf6 Nf6 29.hg6 hg6 30.Rc7 Rd7 31.Rc6 Kg7 32.Kf1 Nd5 33.Rc4 Nc7 34.Ke2 ½–½. Rudolf,Herbert (2225) – Sulyok,Michael (2205), 2.Bundesliga Ost, 2004.

10.Nbd2 Qe6 11.a3 Ba5 (11...Bd2 12.Qd2 Rfe8 13.Rab1 b6 14.Rfe1 Bf3 15.Bf3=) 12.Rb1 Rfb8 13.Nb3 Bc7 14.h3 Bf3 15.Bf3=.

10.Nbd2 Rae8 11.Nb3 d4 12.Nfd4 cd4 13.Bg4 Ng4 14.Qg4 f5 15.Qe2=.

10.Nbd2 Rfe8 11.Nb3 Bf3 (11...b6 12.a3 Ba5 13.Rb1 Qe6 14.h3 Bf5 15.Nh4=; 11...c4 12.dc4 Bf3 13.Bf3 dc4 14.Nd4 Ne5 15.a3=; 11...Nd7 12.c3 Ba5 13.Na5 Na5 14.Qa4 Bf3 15.Bf3+=; 11...Ba5 12.Bf6 Qf6 13.Nc5 b6 14.Na4 Bd7 15.c3=) 12.Bf3 c4 13.dc4 dc4 14.Nd4 Ne5 15.a3=.

10.h3 A) 10...Be6 11.a3 (11.Nbd2 b5 12.a4 a6 13.ab5 ab5 14.Ra8 Ra8 15.c3=+; 11.Ng5 Rad8 12.Ne6 fe6 13.c3 Ba5 14.Qb3 Bc7 15.c4=+) 11...Ba5 12.Nbd2 Rad8 13.Nb3 Bb6 14.a4 Nd7 15.d4=; B) 10...Bd7 B1) 11.Nbd2 Rfe8 (11...Rae8 12.Re1 a6 13.c3 Ba5 14.Nb3 Bb6 15.Ba3=) 12.a3 Ba5 13.Nb3 Bb6 14.Re1 Rad8 15.Rb1=; B2) 11.a3 Ba5 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Re1 Rad8 15.Qd2=; B3) 11.c3 Ba5 12.d4 b6 13.c4 Be6 14.cd5 Bd5 15.dc5=; C) 10...Bf5 11.Nbd2 (11.a3 Ba5 12.Nbd2 Rfe8 13.Nb3 Bb6 14.Re1 Qd6 15.a4=) 11...Rae8 (11...b5 12.Nb3 c4 13.Nbd4 Nd4 14.Bd4 a6 15.a4=; 11...Rfe8 12.Nb3 d4 13.a3 Bc3 14.Bc3 dc3 15.Qe1=) 12.a3 Ba5 13.Nb3 Bb6 14.Re1 Qd6 15.a4=.

10.a3 Ba5=.

10.c4 Re8 (10...Bf3 11.Bf3 dc4 12.Bc6 bc6 13.Qf3=) 11.Qc2 (11.a3 Ba5=+) 11...Bg6 (11...dc4 12.Qc4 Qd6 13.Qh4=+) 12.Qd1 (12.d3 dc4 13.Qc4 Qd6=+) 12...Ba5 (12...dc4 13.Bc4 Na5 14.Bb5=) 13.Qb3 Bb6 (13...Bb4 14.Qd1=) 14.d3 (14.Nc3 Na5 15.Qb5 dc4=+) 14...dc4 (14...d4 15.Bc1=+) 15.dc4 (15.Qc4 Nd4 16.Nd4 cd4=+) 15...Rb8 (15...Nd4 16.Nd4 cd4 17.Rd1+=) 16.Nbd2 (16.Rd1 Qe7=) 16...Bc7 (16...Nd4 17.Qd1 Ne2 18.Qe2-/+) 17.Rad1 Qe7 18.Qc3 (18.Nh4 Be4=) 18...Be5 (18...Rbd8 19.Nh4=+) 19.Ne5= Qe5 (19...Ne5 20.Nf3 Nf3 21.Bf3=) 20.Qe5 (20.Qa3 Qg5+=) 20...Ne5 21.Nf3 Ned7 22.Bd3 (22.a3 Rbd8+=) 22...Rbd8 (22...b5 23.Bg6 hg6 24.Nd2=) 23.Rd2 (23.Bg6 hg6 24.a3 Ne4=) 23...Nb6 (23...Ne4 24.Rdd1=) 24.Be2 (24.Bg6 fg6 25.Rfd1 Rd2 26.Nd2 Rd8-/+) 24...Be4 (24...Ne4!? 25.Rdd1 f6=) 25.Bf6+= gf6 26.Rfd1 Rc8 (26...Rd2!? 27.Nd2 Bc2+=) 27.Ne1 (27.a3 Bf3 28.gf3 h6+/-) ½–½. Kirpichenko,Katsiaryna – Mamedova,Lejla, EU–ch U10 Girls, 2001.

10.d3 Ba5 11.Nbd2 Bc7 12.c4 Re8 (12...dc4 13.dc4 Rb8 14.Qb3=) 13.Bf6+= gf6 14.cd5 Qd5 15.Ne4 Kg7 16.Rc1 b6 17.Qa4 (17.Nc3 Qd7+=) 17...Rac8 (17...Bf3 18.Bf3 Ne5 19.Ng5 Nf3 20.Nf3 Qd3 21.Rfd1=) 18.Rfd1 Ne5 (18...Be5 19.Nc3 Bc3 20.Rc3+=) 19.Nc3 Qd6 (19...Qe6 20.Ne5 Be2 21.Ne2 fe5 22.Qa7+/-) 20.Ne5 (better 20.Nh4!? Bg6 21.Nb5+-) 20...Be2+= 21.Ne2 Qe5 22.Nf4 Qf5 23.Qa7 Bf4 24.ef4 Re6 25.d4 Qf4 26.dc5 Rc5 27.Rc5 bc5 (27...Re2!? 28.Rf5 Qf5 29.Qb6 Ra2+=) 28.Qc5+- Re2 29.a3 Rd2 (29...Ra2!?+-) 30.Rd2 Qd2 31.a4 (better 31.Qb4 Qc1 32.Kh2+-) 31...Qd1+/- 32.Kh2 Qa4 33.Qe3 Qc4 34.Qg3 Kf8 35.Qf3 Kg7 36.Qg3 Kf8 37.Qf3 Kg7 38.Qg3 ½-½. Chess__Academy (2430) - zumpili (2380), Rated Bullet game, lichess.org, 2019.

10.d3 Re8 11.Nbd2 d4 12.a3 Bc3 13.Rb1 Bb2 14.Rb2 de3 15.fe3 Nd5-/+.

10.d3 Re8 11.Nbd2 d4 12.a3 Bc3 13.Bc3 dc3 14.Nb3=+.

10.d3 Re8 11.Nbd2 d4 12.e4 Rc8 13.Nb3 Bf3 14.Bf3 Ne5 Black intends c4 15.Be2 c4 16.dc4 (16.Nd4? c3 17.Bc1 Qd4-+) 16...Nc4 (16...Ne4 17.Qd4 Qd4 18.Bd4=+) 17.Bd4 Ne4 18.Qd3 (18.Ba7? Nc3 19.Bc4 Nd1 (19...Qd1?! 20.Rad1 Nd1 21.Bb5-/+; 19...Rc4?! 20.Qd8 Rd8 21.a3 Ne2 22.Kh1=) 20.Rfd1 Qc7-+) 18...Qh4 (18...Bc3! 19.Bc3 Nc3 20.Qc3 Re2=+) 19.Bg4= Rc6? (better 19...Rc7=) 20.Bd7+- (20.Ba7?! Bc3 21.Rab1 Rc7+=) 20...Rcc8?? (better 20...Rec8+-) 21.Be8 1-0. Osmak,Iulija (2425) - Bures,Vi (2115), Titled Tuesday, 2021.

10.d3 Re8 11.Nbd2 h6 12.Nb3= b5 Black prepares c4 (12...Bf3!? 13.Bf3 c4 14.dc4 dc4=) 13.a3+– c4 (13...Ba5 14.Nc5 Bb6 15.d4+–) 14.dc4 dc4 (14...bc4 15.ab4 cb3 16.b5 Bf3 17.Bf3 bc2 18.Qc2+–) 15.ab4 Nb4? (better 15...cb3 16.Qd8 Red8 17.Bb5 Nb4 18.cb3 Ne4+–) 16.Nbd4+– a6 17.Qe1 Qd6 (17...a5+–) 18.Ba3 Nfd5 19.c3 (19.c3 a5 20.Qd2+–) 1–0. Pierre – GuestSkaut, internet, 2020.

9.Ne5 Ba5 10.a3 Bc7 11.Nf3 Qe7 12.d3 Re8 13.Nbd2 Be6 =+.

9.Ne5 Ba5 10.Qc2 Qe7 11.d4 Bc7 12.Nf3 c4 13.Nbd2 Re8 =+.

9.Ne5 Ba5 10.d3 Bc7 11.Nf3 Qd6 12.Nbd2 Bf5 13.c4 Rad8 14.Qb3 b6 15.Rfe1 Rfe8 16.Bf1. Hruschka,Friedrich – Nyberg,Arne, corr, 1977.

9.Ne5 Ba5 10.d4 Bc7 11.Nf3 c4 =+.

9.Ne5 Ba5 10.d4 Qe7=+ 11.Qc2 Bc7 12.Nf3 c4 13.Nbd2 Re8 =+.

9.a3 Bc3 10.Nc3 d4 11.Na2 Qc7 12.Nc1 Rad8 13.Nb3 de3 14.fe3 b6 15.d3 Ng4-/+ 16.Qd2 Rfe8-+ 17.Rfe1 Ne3 18.Nh4 Nd4 19.Nd4 cd4 20.Nf5 Nf5 21.Bf3 Ne3 22.Rac1 Qc5 23.Qb4 Qf5 0–1. spblex (2550) – martijn (2580), net–chess.com, 2009.

9.a3 Bc3 10.Nc3 d4 11.Na4 b6 =+.

9.d3 Bc3-/+ 10.Nc3 Re8 11.d4 Ne4 12.Na4 c4 13.Nd2 Nf6 14.Bf3 Nb4-/+ 15.c3 Nd3 16.Rb1 Rb8 17.g4 Bg6 18.Ra1 Qa5-+ 19.Nb1 -+. Chatterjee – Miraglia,Jorge, email 4AMM–F, 1998.

9.d4 Qa5 10.Nh4 Bc3 11.Nc3 Be6 12.Nb5 a6 13.Nd6 cd4 14.ed4 Qc3 15.a4 Ne4 16.Ndf5 g6 17.Ne3 Nd4 18.Re1 Ne2-+ 19.Qe2 Nc5 20.Nf3 d4 21.Nf1 Bf5 22.Qd2 Bc2 23.Qh6 d3 24.Rac1 Rfe8 25.Re3 Qg7 26.Qg5 Na4 27.Rce1 Qf8 28.Re7 b5 29.Ng3 h6 (29...h6 30.Qf6 Re7 31.Re7 Nc3-+) 0–1. Fritz,Harry – Steinmann,Joachim, corr 3GMM–F, 2001.

9.Bg5 h6=+ 10.Bh4 g5 11.Bg3 Ne4 12.c3 Ba5 13.Qb3 Qd7 14.Qa3 Qe7 15.d3 Ng3=+ 16.hg3 Rac8 17.Re1 Rfe8 18.Nfd2 b5 19.Nb3 Bb6 20.Qb2 c4 21.dc4=+ bc4 22.Nd4 Nd4 23.cd4 Ba5 24.Nc3 Rb8 25.Qc1 Be6 26.Bf3 Qb4 27.Nd5 Qe1 28.Qe1= Be1 29.Re1 Kg7 30.Nc3 Rb2 31.Rc1 f5 32.Kf1 Reb8 33.Ke1 Kf6-/+ 34.a3 R8b3 35.a4 Rb8 36.Be2 R2b4 37.Kd2 a5 38.Bd1 Rd8 39.Bc2 Bf7 40.Nb5 Be8 41.Rh1 Bb5-+ 42.ab5 Rh8 43.Kc3 Rb5 44.Kc4 Rb6 45.Kd3 Ke7 46.Ra1 Ra8 47.Ra2 Ke6 48.Bd1 Kf6 49.Kc3 Ra7 50.Bc2 Ra8 51.Bd1 Ra7 52.Bc2 Rbb7 53.f3 Rb5 54.e4 fe4 55.fe4 Ke7 56.e5 Rd7 57.Bf5 Rc7 58.Kd3 Rc1 59.Ra4 Kf7 60.Bg4 Ke7 61.Bf5 Rc6 62.Ra1 (62.Ra1 Rcb6 63.Ke4=+). Baumann,Heinz – Schulz,Hans_Juergen, TT–16.28 ETC, 2005.

9.h3 h6 10.d3 Re8 11.Nbd2 b5 12.a4 Bc3 13.ab5= Ba1 14.Qa1 Nb4 15.Qb1 d4 16.Nd4 Nd3? 17.Bd3+– Bd3 18.Nc6 Qb6 19.cd3 a6 20.Nc4 Qb5 21.N6a5 Nd5 22.Bg3 Nb4 23.Qa1 Re6 24.Rb1 Rd8 25.d4 cd4+/- 26.Qa3 de3+= 27.Ne3 Nc2 28.Rb5 Na3 29.Rc5 Nb5 30.Nc6 Rd2 31.Nf5 Kh7 32.Bf4 Rd3 33.Ne5 Rd1 34.Kh2 Nd6 35.Ng3 Re7 36.Nf3 Ne4 37.Ne4 Re4 38.Be3 Rd8 39.Rc7 Kg8 40.Ra7 Ree8? 41.Ra6+– Ra8 42.Ra8 Ra8 43.Kg3 Ra4 44.Bd4 f6 45.Kf4 Kf7 46.g4 Ra5 47.h4 Kg6 48.h5 Kf7 49.Nh4 Ra6 50.Nf5 Ra4 51.Ke4 Ra5 52.Be3 Ra4 53.Bd4 Ra5 54.Be3 Ra4 55.Kf3 Kg8 56.Nd4 Kf7 57.Ke4 Ra5 58.Kd3 Ra4 59.Nf5 Kf8 60.Bc5 Kf7 61.f3 Ra1 62.Ke4 Re1 63.Kd5 Rd1 64.Bd4 Rf1 65.Ke4 Re1 66.Be3 Ra1 67.f4 Re1 68.Ng3 Kg8 69.Kf3 Kf7 70.g5 hg5 71.fg5 fg5 72.Bg5 Kg8 73.Bf4 Kh7 74.Kg4 Rb1 75.Ne4 Rg1+/- 76.Ng3 Rb1 77.Kg5 Rb5 78.Nf5 Ra5 79.Be3 Rb5 80.Bd4 Ra5 ½–½. Smolenskiy,Y – Parnas, corr EU–FSM, 1987.

10.Ra2 d4 11.Rb2 Bc7 12.Bg5 h6 13.Bh4 Rb8 14.Bb5 Be4 15.Re1 a6 16.Bc6 Bc6 17.ed4 cd4 18.Rb3 Rc8 19.Rd3 Attacks the isolani on d4 19...Qd6 20.Bg3 Qc5 21.Bc7 Bf3 22.Rf3 Rc7 23.c3 b5 24.h3 (24.Rd3 Rd8+=) 24...Rcc8 25.Rd3 Rfd8 26.Rd4 Rd4 27.cd4 Qd4 28.Qf3 Rc4 29.Qb7 Qc5 30.Qa8 (30.Qa6? Rc1 31.Rc1 Qc1 32.Kh2 Qb1 33.Qc8 Kh7-+) 30...Kh7 31.Qf3 (31.Qa6? Rc1 32.Rc1 Qc1 33.Kh2 Qb1-+) 31...Qd6 32.Kf1 g6 33.Qg3 Qd7 34.Qe3 Kg7 35.f3 Qd6 36.Qe5 Qe5 37.Re5 Rc2 38.Re1 Nd5 39.a4? ba4 0–1. Hoch,Hubertus – Ottesen,Soeren Rud (2370), WS/M/049 ICCF, 2006.

10.Ra2 Qd7 11.Rb2 Rfe8 12.d3 h6 13.Nfd2 Rad8 14.c3 Qe7 15.Nb3 Bb6 16.Bg3 c4 17.Nd4 Bd3 18.Bd3 cd3 19.Bh4 Rd7 (19...Ne5!?-/+) 20.Nf5= Qe6 21.Nh6 (worse is 21.Qd3 Ne5 22.Qc2 Ne4-/+) 21...Kf8 22.Bf6 Qf6 (worse is 22...gh6 23.Bd4+/-) 23.Ng4 Qg6 24.h3 Na5 25.Qa4 Qd6 26.Nh2 (26.Rb4 Nc4 27.Qd1 Bc5+=) 26...Nc4+= Exerts pressure on the isolated pawn 27.Ra2 Rc7 28.Nf3 Qf6 29.Qb5 (29.Rd1!?=) 29...Qc6 30.Qc6 bc6 31.Ne1 Ne3 32.fe3 Re3 33.Kh1 Rce7 34.Nf3 c5 35.Rb2 Re2 36.Rb5 R7e6 37.Nbd2 a6 38.Rbb1 c4 39.Ng5+= Rg6 40.Ndf3 Ba5 41.Nf7 Rgg2 42.Nd6 Ke7 43.Nf5 Kd7 44.Rb7 Bc7 45.Ne3 Rgf2 46.Rf2= Rf2 47.Nd4 Rh2 48.Kg1 Rh3 49.Kf2 Kc8 50.Rb1 Rh5 51.Ne6 g6 52.Kf3 Bd6 53.Nf4 Bf4 54.Kf4 Kc7 55.Rg1 Kc6 56.Rg6 Kb5 57.Kg4 Re5 58.Kf4 Rh5 59.Kg4 ½–½. Hoch,Hubertus – Iriarte Gomez,Enrique (2210), WS/M/045 ICCF, 2006.

10.Ra2 d4 11.Rb2 (11.Bd3 Bd3 12.cd3 Nd5 13.Rc2 Nf4 14.ef4 Qd5 15.Ng5) 11...Qd7 12.Ne5 Ne5 13.Be5 Ng4 14.Bf4 h6 15.Bf3.

10.Ra2 Re8 11.Rb2 Qe7 12.c3 a6 13.d3 Rad8 14.Qc2 b5 15.Nh4 Bd7 16.Nf3 Nh5 17.Bg5 f6 18.Bh4 g5 19.Nfd2 Nf4 20.Bf3 gh4 21.ef4 Qd6 22.Nb3 Bc7 23.Qd2 d4 24.c4 bc4 25.dc4 Rb8 26.g3 a5 27.Nc1 hg3 28.hg3 Bf5 29.Nd3 Rb2 30.Nb2 Rb8 31.Qc1 Qd7 32.Re1 Rb3 33.Be4 Be4 34.Re4 Bd6 35.Re1 d3 36.Nd2 Ra3 37.Nd1 Bf4 38.gf4+= Qg4 39.Kh2 Qf4 40.Kg2 Qg5 41.Kh2 Qh5 42.Kg2 Ra2 43.Re3 Rc2 44.Qa1 Kf7 45.Qa4 Ne5-+ 46.Qa5 Ng6 47.Qc7= Kf8 48.Ne4 Qg4 49.Kh2 Qh4 50.Kg1 Qg4 51.Qg3 Qd1 52.Kg2 f5 53.Qd6 Kg7 54.Qc7 ½–½. Hoch,Hubertus – Knoeppel,Bjoern (2055), WS/M/045 ICCF, 2006.

11.Rb2 Nf4 12.ef4 Rb8 13.Nc3 Qd6 14.Re1 d4 15.Na4.

11.Nc3 Nf4 12.ef4 d4 13.Na4 Qd6 14.Rb2 b6 15.g3.

11.Bd3 Bd3 12.cd3 Nf4 13.ef4 d4 14.Rb2 Qd7 15.Qc2.

11.Re1 Nf4 12.ef4 Qf6 13.Bd3 Bg4 14.h3 Bf3 15.Qf3.

11.Be5 Re8 12.Bc3 Nf6 13.Ba5 Qa5 14.Rb2 Rab8 15.Rb5.

11.Bg5 f6 12.Bh4-/+ g5 13.Bg3 Ng3 14.fg3 Qd7 15.Rb2.

11.Bg5 f6 12.Bh4 g5 13.Bg3 Ng3 14.hg3 a6 15.d4 c4 16.c3 (16.Nfd2 Qd7+=) 16...Rf7 (16...b5 17.Nfd2+=) 17.Nfd2 Re7 18.e4 (18.Bg4 Bd3 19.Be2 Be2 20.Qe2 Qd7+=) 18...Be4-/+ 19.Ne4 Re4 (19...de4?! 20.Bc4 Kg7 21.a4=) 20.Bg4 Re7 (20...b5 21.Bf5 Re7 22.Qg4-/+) 21.Qf3 Kg7 22.Rb2 b5 23.Re2 Re2 24.Qe2 Qe7 25.Qd1 Ra7 26.Re1 Qf8 27.Re6 Nd8 28.Re3 Re7 29.Qf3 Re3 30.Qe3 Bc7 31.Qf3 Qd6 32.Bf5 Nf7 33.Qe2 Kf8 34.Qh5 h6 35.Kf1 a5 36.Bh7 Qe6 37.Qg6 b4 38.Qg8 Ke7 39.Qg7 Qg4 40.Kg1 b3 41.Bg6 Qe6 42.Kf1 f5 43.Qh7 f4 44.g4 a4 45.Bf7 Qf7 46.Qf7? Kf7-+ 47.f3 Bd6 48.Ke2 Ke6 49.Kd1 Kf6 50.Kc1 Ke6 51.Kd1 Ke7 52.Kc1 h5! 53.Kd2 Kf6 54.Kd1 Ke6 ½–½. Hoch,Hubertus (2315) – Hansen,Gonde (2460), RSL2T – 2er/2010, 2010.

11.Bg5 Nf6 12.d4 (12.Bf4!?= d4 13.Rb2 Bb6 14.a4 Nd5 15.Na3) 12...c4-/+ (12...h6 13.Bf6 Qf6 14.dc5 b6 15.cb6) 13.Rb2 (13.Ne5 Re8+= (13...h6 14.Bf4 Qe7 15.Nd2) 14.Rb2 Qc8 15.Rb5; 13.Bh4 Qe7 14.Nbd2 h6 15.Qb1) 13...h6 14.Bh4 (14.Bf4 g5 (14...Nh5 15.Rb7) 15.Bg3 Ne4-/+) 14...g5 (14...b6 15.Ne5) 15.Bg3 Ne4 16.Ne5 Ne5 17.Be5 (17.de5 Qd7-/+ (17...Ng3?! 18.hg3 Bc7 19.Rb7+=)) 17...f6-/+ 18.Bg3 Qd7 19.Bf3 (19.f3 Ng3 20.hg3 b5-/+) 19...c3 (19...Rae8 20.Be4 Re4 21.h3-/+) 20.Ra2 (20.Rb3 Rac8-/+ (worse is 20...Ng3 21.hg3 Rac8 22.Re1+=)) 20...Rac8 (20...Rae8 21.a4-/+) 21.Be2 (21.Be4 Be4 22.Qe2 Rfe8-+) 21...Nd2 (21...Rfe8 22.Re1-/+) 22.Re1-/+ a6 23.h3 (23.a4 Rfe8-/+) 23...Rc6-+ 24.Bh2 (24.a4 Rb6 25.Na3 Rc8-+) 24...Rb6 25.Nd2 cd2 26.Rf1 Rc8 27.Bf3 Kg7 28.Bg4 Rbc6 29.Rb2 Bg4 30.hg4 b6 31.Ra2 Qe6 32.Bg3 Qe4 33.c3 Bc3 34.Qe2 Ba5 35.Rd2 Bd2 36.Qd2 Qg4 37.Qe1 Qe6 38.a4 h5 39.Bh2 h4 0–1. Hoch,Hubertus (2325) – Scherer,Rolf (2510), RSL2T, 2010.

11.Nh4 Nf4 12.Nf5 Ne2 13.Qe2 Qf6 14.Ng3 a6 15.Nh5.

9.a3 Qa5 =.

9.a3 Ba5 =.

9.Bd3 Bg4=+ 10.a3 Ba5 11.c3 Qd5 12.c4 Qd7 13.Qc2 Bf3 14.gf3 Rad8 15.Bf5? d3-+ 16.Bd7 dc2 17.Bc6 0–1. Labahn,Wolfgang – Krueger,Wolfgang, Ratzeburg, 1997.

9.Bh4 Qd6 10.Qc1 Bf5 11.Qb2= Ne4 12.Bd3 a6 13.a4 Qd7 14.Qc1 Rfe8-/+ 15.Na3 Rab8 16.Be4 Be4 17.Qd1 Bf3-+ 18.Qf3 Bd2 19.Bg3 Rbd8 20.Nc4 Bc3 21.Rab1-/+ Qe7 22.e4 f6 23.Nb6 Nb4-+ 24.Qh5 g6 25.Qf3 Qe4 26.Qf6 Qe6 27.Qe6 Re6 28.Bc7 Rde8 29.Nd7 Rc8 30.Nc5-/+ Rc6 31.Ba5 Nc2 32.Nb7 Rb8 33.g3 Na3 34.Rb3 Nc4 35.Bc3-/+ dc3 36.Rc1 Nd2 37.Rbc3 Rc3 38.Rc3 Rb7 39.Rc6 a5 40.Rc5 Nb3 41.Rc3 Kf7 42.Kg2 Ke6 43.h4 Kd5 44.Rc8 Ra7 45.Rd8 Kc4 46.h5 gh5 47.f4 Nc5 48.Rc8 Kb4 49.Kf3 Na4 50.Ke4 Nc3 51.Ke5 a4 52.Rb8 Nb5 (52...Nb5 53.Rc8 a3-+) 0–1. Vokac,Marek – Badea,Bela, Krynica zt, 1998.

9.a3 Ba5 10.d3 (better is 10.Bh4!? Qb6 11.Qc1+=) 10...Ng3-/+ 11.hg3 f5 12.Nbd2 Bc7 13.Nb3 b6 14.c4 Be6 15.a4 dc4 16.dc4 Qf6 17.a5 Rad8 18.Qc1 Nb4 19.ab6 Bb6 20.Rd1 Rd1 21.Qd1 Rd8 22.Qc1 Nd3 23.Qc2 Nb4 24.Qc1 Nd3 25.Qc2 Nb4 26.Qb1 Qc3 27.Ng5 Bc8 28.Nf3 Be6 29.Ng5 Bc8 30.Nf3 h6 31.Nc1 Nc2 32.Ra2 Nb4 33.Ra1 Nc2 34.Ra2 Nb4 35.Ra1 Be6 36.Na2 Qc2 37.Nb4 Qe2 38.Nc6 Rd3 39.Ne7 Kf7 40.Ne5+/- Ke7 41.Nd3 Bc4 42.Nf4 Qg4 43.Ra4 g5 44.Rc4 gf4 45.Rf4 Qg8 46.Qf5 c4 47.Qf6 Kd7 48.Re4 Bc5 49.Qc3 Qd5 50.Rc4 Qd1 51.Kh2 Bd6 52.Qg7 Kd8 53.Qh6 1–0. Seifert,Henryk (2235) – Zmarzly,Aleksandra (1955), Polanica Zdroj op–A, 2009.

9.c3 Ng3 10.fg3 Ba5 11.Bb5 Qd6 =+.

9.d3 Ng3 (9...Ng3 10.hg3 Re8-/+) 0–1. wreck_tangle (1910) – bishop_ben (2145), gameknot.com, 2014.

9.Bf4 Qf6 10.c3 Ba5 11.Na3 g5-/+ 12.Bg3 h5 (12...g4 13.Nh4 Nd2 14.Qd2 Bc3=+) 13.Nb5? (13.h4 g4 14.Ng5 Nd2 (14...Ng5?! 15.hg5 Qg6 16.Bf4=) 15.Qd2 Bc3 16.Qd5 Ba1-/+) 13...h4 (better 13...a6 14.Nc7 Ng3 15.Na8 Nf1 16.Qf1 c4-+) 14.Bc7= a6 15.Ba5 ab5 (worse 15...Na5 16.Nc7 Rb8 17.Nd5+/-) 16.d3 (16.Bb6 Ra6 17.Bc7 Qe7 18.Bb5 Qc7 19.Ba6 ba6=+) 16...Ra5 (16...g4 17.Ne1 Ra5 18.de4 de4 19.Bg4 A) 19...Qc3? 20.Bc8 Rc8 21.Qg4 Kh7 22.Qe4 (22.Qc8?! Qa1 23.Nd3 Qf6 24.Nc5 b4 25.Ne4 Qe6 26.Qe6 fe6+=) 22...Kg7 23.Qg4 Kh7 24.Qh4 (24.Qc8?! Qa1 25.Qf5 Kg8+/-) 24...Kg7 25.Qg4 Kh7 26.Nf3+-; B) 19...Rd8-/+) 17.de4= de4 18.Nd2 Qe5 19.Qc2 Bf5 20.Rfb1 (20.Nb3 Raa8 21.Bb5 Na7=) 20...Ra3=+ Attacking the isolated pawn on c3 21.Bb5 (21.Rc1 Na7=+) 21...Qc3 22.Qc3 Rc3 23.Bc6 bc6 24.Rc1 Rc1 25.Rc1 Ra8 26.Rc5 Ra2 (26...Bg6 27.f3=) 27.Rf5+= Rd2 28.Rg5 Kf8 29.h3 Rd1 30.Kh2 Rd2 31.Rf5 Kg7 32.Rf4 Kg6 (32...c5 33.Re4 Rf2 34.Rh4+=) 33.Re4 Rf2 34.Rh4 f5? (better 34...Rc2!?+=) 35.Rc4+- Re2 36.Rc6 Kg5 37.Rc3 Kh4 38.Kg1 1-0. Nepomniachtchi,I (2780) - Bluebaum,M (2660), Titled Tue (3), 2020.

9.Bf4 Qf6 10.c3 Ba5 11.h3 c4 12.Na3 Bf5 13.Nb5 Bg6 14.Nbd4 Rfe8 15.Nc6 bc6 16.a4 c5 17.Rc1 Rac8 18.Bh2 Bf5 19.Ne1 d4 (19...Bc7 20.Bc7 Rc7 21.Bf3-/+) 20.Bc4 (20.f3!? Ng5 21.cd4 cd4 22.Rc4 Rc4 23.Bc4 de3 24.de3 Re3 25.Qd5+=) 20...dc3-/+ 21.dc3 Rcd8 22.Qb3 Nd2 (22...Bc3 23.f3 Bd2 24.fe4 Re4 25.Rc2 Be3 26.Kh1+/-; 22...Nc3?! 23.Nf3-/+) 23.Qb5 Bc3 24.Nd3? (24.Qc5 Rc8 25.Qb5 Nc4 26.Rc3 Qc3 27.Qf5-+) 24...a6 25.Qa6 Nf1 26.Nc5 Nh2 27.Kh2 (27.Qf6 Bf6 28.Bb5-+) 27...Qe5 28.g3 Rd2 29.Qb7 (29.Kg1 Rf2! 30.Bf7 Kf7 31.Ne4 Qe4 32.Qa7 Kg8 33.Kf2 Bh3 34.Qf7 Kf7 35.Rc3 Qg2 36.Ke1 Bg4 37.Rc7 Re7 38.Re7 Ke7 39.a5 Qe2) 29...Rf2 30.Kh1 Qe3 31.Rg1 Be4 32.Ne4 Qf3 (32...Qf3 33.Rg2 Qg2) 0–1. Vysniauskas,Vaidas – Marjamaeki,Marko, Baltic New ICCF Players Tournament, 2005.

9.Bf4 Qf6 10.c3 Bf5 11.h3 c4 12.g4 g5 13.Ng5 Ng5 14.Bg5 Qg5 15.cb4 Nb4 16.Nc3 Bd3 17.Nb5 (17.Bd3 Nd3 (worse is 17...cd3 18.Qb3 d4 19.Qb4 dc3 20.Qc3+=) 18.Rb1 d4 19.ed4 b6+=) 17...a6 18.Nd4 b5 19.a3 Be2 20.Qe2 Nd3 21.Nf5 Rfe8 22.f4 Qf6 23.Qg2 Rad8 24.h4 (24.Rab1 Re6-/+) 24...a5 25.Qh3 d4 26.g5 Qe6 27.Nh6 Kf8 28.f5 Qe4 29.h5 de3 30.de3 Qe3 31.Qe3 Re3 32.g6 (32.g6 Rg3 33.Kh2-+). Vysniauskas,Vaidas – Alasoo,Kaarel, Baltic New ICCF Players Tournament, 2005.

9.Bf4 g5 10.Bg3 f5 (10...d4 11.h4 Ng3 12.fg3-/+) 11.d3 Ng3 12.hg3 g4 13.Nfd2 Be6 14.a3 Ba5 15.Nb3 Bb6 16.a4 (16.N1d2 Rf6 17.e4 Rg6-/+) 16...Qe7 (16...c4 17.dc4 dc4 18.N3d2-/+) 17.c4 (17.a5 Bc7-/+) 17...d4 (17...dc4 18.dc4 Rfd8 19.Qc1-/+) 18.ed4 cd4 19.Na3 Rad8 20.Re1 Bc7 21.Qc1 (21.Qd2 a6-/+) 21...Qf6 22.Nd2 (22.Nb5 Bb8 23.Nd2 Rf7-/+) 22...f4 (22...Ba5!?-+) 23.Ne4-/+ Qg7 24.Nb5 Be5 25.c5 Bd5 26.Nbd6? (better 26.Bd1-/+) 26...Rd6-+ 27.cd6 Be4 28.Qc4 (28.de4 fg3 29.Rd1 Kh8-+ (29...gf2?! 30.Kf1-+)) 28...Kh8 29.Bg4 (29.de4 fg3 30.fg3 d3 31.Qd3 Bd4 32.Qd4 Qd4 33.Kh1 Qd6 34.Bg4 Qg3-+) 29...Bg2 (worse 29...Qg4 30.Re4 Qg5 31.gf4 Bf4 32.Qe6-/+) 30.Qe6 Bf3! 31.Bf3 fg3 32.Qd5 Nb4 33.Qe4 Bd6 34.Rab1?? (better 34.Rf1 Bf4 35.Kg2 gf2 36.Kf2 Be3 37.Ke2-+) 34...gf2 (34...Na2 35.Qh4 (35.Rb7 gf2 36.Kf2 Qg3 37.Ke2 Nc3 38.Kd2 Bf4 39.Kc2 Ne4 40.Rh7 Kg8 41.Re4 Qf3 42.Ree7 Rc8 43.Rc7 Bc7 44.a5 Ba5 45.Kb2 Rb8 46.Ka3 Qd3 47.Ka4 Kh7 48.Ka5 Qb5) 35...Rf3 36.Re8 Bf8 37.fg3-+) 35.Kf2 Bg3 36.Kf1 Be1 37.Re1 Nc2 38.Rb1 Qg3 (38...Qg3 39.Ke2 Qh2 40.Kd1 Rc8-+) 0-1. Jan_Ek (2125) - Drakoon (2005), internet, 2020.

9.Bh4 Qd6 10.d3 Nf6 (10...Nc3 11.Nc3 Bc3 12.Rb1=+) 11.a3= Ba5 12.Nbd2 Qe7 (12...Re8 13.Rb1=) 13.c4 dc4 14.Ne4 cd3 15.Nf6 (15.Bd3 h6 16.Qa4 Rd8 17.Nf6 gf6+=) 15...gf6 16.Qd3 Bg4 17.Nd4 (17.Rfc1 Rfc8+=) 17...Ne5 18.Qe4 cd4 (18...Be2!? 19.Ne2 Rfc8=) 19.Bg4+= d3 20.Bf5 Rfe8 21.Bh7 Kg7 22.Bf5 d2 23.Bg3 Ng6 (23...Rad8 24.Rfd1+=) 24.Qg4+/- Rg8 25.h4 (25.Rfd1 Rad8+/-) 25...Kf8 26.Rfd1 Ne5 27.Qa4 b6 28.Qe4 (28.Ra2 Rd8+=) 28...Rd8+= 29.Bf4 (better 29.Ra2+=) 29...Nd3?? (better 29...Rh8=) 30.Bh6+- Ke8 31.Qc6 Rd7 32.Bd3 (32.Bd7?! Qd7 33.Qf6 Qc7+-; 32.Qd7?! Qd7 33.Bd7 Kd7+-) 1-0. Oparin,G (2650) - Jacobson,Brandon (2490), Titled Arena Apr 3rd, 2021.

8.Bb2 Qe7 9.a3 Ba5 10.Bc3 Bc3 11.Nc3 Re8 =.

8.Bc3 Bc3 9.Nc3 Re8 10.Rb1 b6 11.Nb5 Nf8 =+.

8.Bd6 Re8 9.d4 Ne4 10.dc5 Bc5 11.Bc5 Ndc5 =.

8.Bf4 Nh5 9.Bg5 Nhf6 10.a3 Ba5 11.d4 c4 =.

8.Bg3 Ne4 9.Bh4 Qc7 10.a3 Ba5 11.c4 dc4 =.

8.a3 Ba5 9.Nc3 Ne4 10.Nb1 Nc6 11.Bb2 Qb6 =+.

8.Bb2 Ba5 9.d3 Bc7 10.Nbd2 Nc6 11.c4 Be6 12.a4 Qd6 (12...dc4 13.dc4 Bf5 14.Nh4=) 13.h3 (13.Bf6!? gf6 14.Qb3=) 13...Nd7 14.cd5 Bd5 15.Nc4 Qg6 16.Kh1 Rad8 17.Qb3 b6 18.a5? (18.Rg1 Nde5 19.Nce5 Ne5-/+ (19...Bb3?! 20.Ng6 hg6 21.Rgc1=; 19...Be5?! 20.Qb5-/+)) 18...Na5 (18...b5 19.Qb5 Rb8 20.Qa4 Bc4 21.dc4 Rb2 22.Bd3-+) 19.Ra5 (better 19.Qd1!?-/+) 19...ba5-+ 20.Ra1 Nb6 21.Qc3 Nc4 22.dc4 Bc6 23.Nh4 Qf6! 24.Qf6 gf6 25.Bf6 (25.Bc3-+) 25...Rd2 26.Bf3 Rf2 (26...Bf3 27.gf3 Rf2 28.Kg1-+) 27.Bc6 (27.Kg1 Bg3 28.Bc6 Re6-+ (28...Rf6?! 29.Be8 Bh4 30.Ra5=)) 27...Re6 (27...Re3?! 28.Bg5 Re6 29.Kg1=+) 28.Bd5 Ref6 (28...Rff6?! 29.Be6 Re6 30.Nf5-/+) 29.Nf3 R2f3?? (better 29...Rg6 30.Rb1 Kg7-+ (30...Rgg2?! 31.Rb7 Rg3 32.Rc7 Rh3 33.Kg1 Rhf3 34.Bf3 Rf3 35.Rc5-+)) 30.Bf3 Ra6 31.Ra4 Rb6 32.Bd5?? (better 32.Kg1=+) 32…Rb1 0-1. Chess__Academy (2380) - zumpili (2445), Rated Bullet game, lichess.org, 2021.

8.Bb2 Bf5 9.d3 Nc6 10.a3 Ba5 11.Nbd2 d4 =+.

8.Bb5 Nc6 9.c3 Ba5 10.Bc6 bc6 11.Qa4 =.

8.Bb5 Bd7 9.Bd7 Nbd7 10.Bg3 =+.

8.Bb5 Nbd7 9.a3 Ba5 10.Bc3 Ne4 =+.

8.Bb5 Nbd7 9.c3= Ba5 10.Bf6 Qf6 11.d4 Qb6 12.c4 dc4 13.Na3 c3 14.Qa4 Qd8=+ 15.Nc4 Bc7 16.dc5 Nc5 17.Qa3 Ne4 18.Rfd1 Qe7 19.Be8 Qe8 20.Qb3 b5 21.Nce5 Bf5 22.Nd3 a5 23.Nd4 Bd7 24.a3 Rc8 25.h3 Bd6 26.Qd5 Bf8 27.Rdc1 Nd2 28.a4 b4 29.Qa5 Ra8 30.Qd5 Ba4 31.Qb7 Rb8 32.Qa6 Bb5 33.Nb5 Qb5 34.Qb5 Rb5 35.Nb4 Nb3 36.Nc2 ½–½. Woelfelschneider,Peter (1700) – Kuni,Richard (1700), TT–02 TSC, 2002.

8.Bb5 Nbd7 9.d4 Ne4 10.a3= Ba5 11.c4 cd4 12.Bd7 Bd7 13.Qd4 Bg4 14.Qd5 Qd5 15.cd5= Rad8 16.Bb2 Rd5-/+ 17.Nd4 Rg5 18.Rc1 Nc5 19.Rc2 Nd3=+ 20.Bc3 Bb6 21.Rd2= Nc5 22.Rc2 Bh3=+ 23.g3 Ne4 24.Nd2 Nc3 25.Rc3 Rd5 26.N2b3 Red8 27.Rc4 Re5 28.a4 (28.Rac1 Red5=) ½–½. Woelfelschneider,Peter – Bonetti,Shane, HFK–049 TSC, 2003.

8.Bb8 Rb8=+ 9.c3 Ba5 10.d4 c4 11.Nbd2 (11.Qc1 Bf5-/+) 11...Bc7 (better 11...Bc3!? 12.Rc1 Bb4-+) 12.Qc2=+ Qd6 13.g3 (13.Ne5 Qe7=+) 13...Bh3-/+ 14.Rfe1 Ne4 (14...Qd7 15.Qb2-/+) 15.Bf1 (better 15.Ne4!? Qg6 16.Nfd2+=) 15...Bf1 (better 15...Bf5 16.Qb2 b5-/+) 16.Nf1? (16.Rf1 f5=+) 16...Qe6 (16...Ba5 17.Rac1 Qa3 18.Ne5-+) 17.Kg2 (17.N3d2 f5-/+) 17...g5 (better 17...Ba5!? 18.N1d2 Nc3-+ (18...Bc3?! 19.Ne4 de4 20.Ng5=+)) 18.h3 (18.N3d2 f5=+) 18...h5 (18...Ba5 19.N1d2-/+) 19.a4 f5 20.N1d2 g4 21.hg4 fg4 22.Nh4 Rf8 (22...Nd2 23.Qd2 Qe4 24.Kg1=+) 23.Ne4= de4 24.Qe2 Rf7 (24...Rf6 25.Reb1=+) 25.Rab1 b6 (better 25...a6!?=) 26.Rb5+/- Rbf8 27.Rf1 Qh6 (27...Rd8 28.Rh5 Kf8 29.Rd1+-) 28.Rd5 (28.Qc4 Bd8+-) 28...Bd8+/- 29.Re5 (better 29.Qc4!? Bh4 30.gh4+/-) 29...Bh4= 30.gh4 Rf3? (better 30...Kh8+=) 31.Qc4+- Kh8? (31...R8f7 32.Rg5 Kh8+-) 32.Rg5 (32.Qd5 Qf6 33.Rh5 Kg7 34.Qd7 Rf7 35.Qg4 Kf8 36.Qc8 Ke7 37.Qb7 Kd6 38.Rd5 Ke6 39.Qc6 Ke7 40.Re5 Kf8 41.Re8 Kg7 42.Qf6 R3f6 (42...Kf6?? 43.Re4 Rf5 44.c4+-) 43.Re4 Rg6 44.Kh3 Rc6+-) 32...g3?? (32...R3f5 33.Rf5 Rf5 34.Qc7+/-) 33.Rg3 (better 33.Qd5 Qf6 34.Rh5 Kg7 35.Qe4+-) 33...Qf6+/- 34.Qe2 Qh4 35.Rh1?? (better 35.Qb5 R3f5 36.Qc6+/-) 35...Rf2-+ 36.Qf2 Rf2 37.Kf2 Qf6 (better 37...Qh1 38.a5 ba5-+) 38.Ke2 (better 38.Kg2 Qf7 39.Rh5 Qh5 40.Rh3 Qh3 41.Kh3+-) 38...h4?? (better 38...Qf5+-) 39.Rgh3 (39.Rhh3 a6+-) 39...Kg8 (39...Qg5 40.Rh4 Kg7+-) 40.Rh4 (better 40.Rg1 Kf7 41.Rf1 Qf1 42.Kf1+-) 40...Qf3+/- 41.Kd2 Qf2 42.Kc1 (42.Kd1!? Qf3 43.Kc2 Qe3 44.Rh8 Kf7 45.R8h7 Ke6 46.Ra7 Qd3 47.Kb3+/-) 42...Qe3+= 43.Kc2 Qe2 (43...Qd3 44.Kb2+=) 44.Kb3+/- (44.Kb3 e3 45.Rh8 Kf7 46.R8h7 Ke6 47.Ra7+=) 1-0. dannysmet (2085) - Dragonshark (2135), Rated Blitz game, lichess.org 2021.

8.Bb8 Rb8 9.d3 Ba5 10.Nbd2 (10.c3 Bf5-/+) 10...Bc7 (10...d4!?-/+) 11.c4=+ b6 12.cd5 Qd5 13.a4 Bb7 14.Rb1 Rbd8 15.Qc2 Ng4 16.Qc4?? (better 16.h3 Nh2 17.Rfd1=+) 16...Bh2-+ 17.Kh1 Qc4 (better 17...Qh5!? 18.Nh4 Qh4 19.Qg4 Qg4 20.Bg4 Rd3 21.Rfd1-+) 18.Nc4 Bc7 19.a5 Re6 20.ab6 ab6 21.Kg1 Rh6 (21...Bf3!? 22.gf3 Ne5 23.Rfd1-+) 22.Rfd1-/+ Re6 23.Ng5 (23.Rf1 Bf3 24.gf3-+) 23...Re7?? (better 23...Rg6 24.Nf3 h5-/+) 24.Bg4+- h6 25.Nf3 g6 (25...Rb8 26.Na3+-) 26.Ne1 h5 (26...f5 27.Bf3 Rb8 28.Bb7 Rb7 29.Rb5+-) 27.Bf3 Bf3 28.Nf3 (worse 28.gf3 Re6+-) 28...Red7 (28...Re6 29.d4+-) 29.d4 cd4 30.Nd4 b5 31.Rb5 Kg7 32.Rdb1 Bh2 (32...Bh2 33.Kh2 Rc7+-). Fraksov (2120) - zumpili (2210), Rated Bullet game, lichess.org, 2018.

8.c3 Nc6 9.cb4!? Ne5 10.bc5 Nf3 11.Bf3 +/-.

8.c3 Nc6 9.Bg3 Ba5=+ 10.Bh4 Bc7 11.d3 h6 12.a4 g5 13.Bg3 Bg3 14.hg3 Ng4 15.Nh2 Nh2=+ 16.Kh2 Ne5 17.d4= Ng6 18.Bh5 c4= 19.Qf3 Qd6 20.Nd2 Qe6 21.g4 Nf8 22.Rfe1 Bd7+= 23.e4 Bc6 24.e5 a5 25.Nf1 Qd7 26.Ne3+/- Re6 27.Qd1 Ng6+= 28.g3 Ne7 29.f4 Nc8 30.Rf1 Nd6 31.fg5+/- hg5 32.Qf3+– Rae8 33.Rae1 Re5 34.de5 d4 35.Nd5 Qe6 36.ed6 Qe1 37.Qf7 Kh8 1–0. Danek,Vaclav – Vavrousek,Petr, Klatovy op, 1995.

8.Nc3 Nc6 9.Bf6= gf6 10.Na4 c4 11.Rb1 Kh8 (11...Qa5!? 12.c3 Bf8=) 12.d3+= c3 13.Rb4 (13.Rb3!?+=) 13...Nb4= 14.Nc3 Rg8 15.g3 (15.Qb1 Bh3 16.Ne1 Qc8=+) 15...Bh3 16.Re1 Rc8 17.a3 Nc6 18.Nb5 Qa5 (18...Qe7 19.Qb1=) 19.Qb1 Ne5 20.Nd6 (20.d4 Nf3 21.Bf3 Rgd8-/+) 20...Nf3 21.Bf3 Rc2 22.Rc1? (better 22.Rd1 Rc7 23.Qb5 (23.Nb7? Qa3 24.d4 Rb8-+) 23...Qb5 24.Nb5=+) 22...Rc1-+ 23.Qc1 Qb6 24.Nf7 Kg7 25.Bd5 Rc8 26.Qa1 (26.Bc4 Be6 27.Qd1 Kf7 28.Be6 Qe6 29.d4-+) 26...Qc5 27.Bc4 b5 28.f4 (28.e4 bc4 29.Qc1-+) 28...bc4 (28...Qe3 29.Kh1 Qf3 30.Kg1 Qg2) 29.Ng5 Qe3 30.Kh1 c3 (30...cd3 31.Qg1 Rc1 32.Ne6 Be6 33.Qc1 Bd5) 31.Qb1 fg5 32.Qb7 Kh6 (32...Kh8 33.Qc8 Bc8 34.Kg2 Bb7 35.Kf1 c2 36.fg5 c1Q) 33.fg5 Kh5 (33...Qg5 34.Qa6 Kh5 35.Qa5 Rf8 36.Qf5 Rf5 37.g4 Qg4 38.d4 Rf1) 34.Qh7 Kg5 (34...Kg4 35.Qh4 Kf3 36.Qh5 Kf2 37.Qf7 Qf3 38.Qf3 Kf3 39.g6 c2 40.g7 c1Q) 35.Qh4 Kg6 36.Qh3 Qe1 37.Kg2 Qe2 38.Kg1 (38.Kh1 c2 39.Kg1 c1Q 40.Qf1 Qcf1) 38…Rf8 (38...Rf8 39.Qe6 Qe6 40.h4 Qe2 41.h5 Kg5 42.g4 Rf1) 0-1. Blohberger,Felix (2490) - Koutlas,Nikolaos (2270), Titled Tuesday, 2021.

8.Nc3 Nbd7!? 9.Bf4 Bc3 10.dc3 Nb6=+.

8.c4 d4 9.ed4 cd4 (better 9...Nc6!?=+) 10.Bd4+= Bg4 11.Bc3 Bd6 12.h3 Bh5 13.d4 Nc6 14.d5 Bf3 15.Bf3 (15.gf3? Nd5 16.Qd5 Re2-+) 15...Ne5 16.Be2 (16.Nd2 Rc8+=) 16...Rc8 17.Nd2 (17.Qb3 Ne4+=) 17...b5 (17...Nd5 18.cd5 Rc3 19.Ne4=) 18.Be5 (18.Rc1 bc4 19.Bc4 Ba3 20.Be5 Re5+=) 18...Be5= 19.Rc1 bc4 20.Bc4 Nd5 21.Nf3 Nf4 (better 21...Bf4!? 22.Rc2 Nb6=) 22.Ne5+= Re5 23.Qf3 Rf5 24.Rfd1 Qf8 25.Bf7?? (better 25.Rd4 g5 26.Qg4+/-) 25...Rf7-+ 26.Rc8 Qc8 27.Qb3 Kf8?? (better 27...h6-+) 28.Qb4= Kg8 29.Qb3 1-0. exSelNick (2415) - zumpili (2375), Rated Bullet game, lichess.org, 2020.

8.c4 Nbd7 9.Bb2 dc4 10.a3 Ba5 11.Bc4 Nb6 12.Be2 Be6 13.Qc2 Nbd7 14.Rd1 Qb6 15.Qc1 Rac8 16.d3 Qd6 17.Nbd2= b5 18.a4 b4 19.Nc4 Bc4 20.Qc4 Bc7 21.Rac1 a5 22.d4 cd4 23.Rd4 Nb6 24.Qb5+= Qe6 25.Bc4 Nc4= 26.Rdc4 Rb8 27.Qg5 h6 28.Qh4 Bd8 29.Qg3 Rb6 30.Ne5 Rd6 31.h3 Rd2-/+ ½–½. Thesing,Michael (1975) – Beckmann,Klaus2 (2150), Verbandsliga Muensterland, 2006.

8.d3 Nc6 9.Bg3 Bf5 10.Nbd2 Bc3. defesa (2145) – samyaksamadhi (2535), net–chess.com, 2014.

8.d4 Nc6 9.c3 Ba5 10.Bf6 Qf6 11.dc5 Be6 =.

8.d4 cd4 9.a3 Ba5 10.Bd4 Nc6 11.Bb2 Ne4 12.c4 Be6 13.Qc2 Bf5 14.Qb3 Nc5 15.Qb5 Bb6 16.cd5 Qd5 17.Nc3 Qb3 18.Rad1 Rad8 19.Qb3 Nb3 20.Rd8 Rd8 21.Rd1 Rd1 22.Bd1 Nc5 23.Be2 Bd8 24.Nb5 Na4 25.Ba1 Be7 26.Ne5 a6 27.Nd4 Nd4-/+ 28.Bd4 b5 29.Kf1 Ba3 (29...Ba3 30.Bf3 Nc5-/+) 0–1. Boronka,Joseph – Thoma,Theo, corr TKM/A008, 2000.

8.d4 cd4 9.a3 Be7 10.Nd4 Nc6 11.Nc6 bc6 =.

8.d4 cd4 9.ed4 Nc6=+ 10.c4 Be6 11.c5 Bg4 12.Bd6 Ne4 13.a3 Bc3 14.Ra2 Bf3 15.gf3 Nd6 16.Nc3 Nf5 17.Bb5 Re6 18.Bc6 bc6 19.Kh1 Qh4 20.Rg1 Qd4 21.Qd4 Nd4 22.Rg4 Nf3 23.Rf4 Ne5 24.Rd2 Nd7 25.Ne2 Rae8 26.Nd4 Rg6 27.h4 Nc5 28.Nf3 Ne4 29.Rb2 h6 30.Rb7 Nf2 31.Kh2 Re2 32.Rb8 Kh7 33.Rf7 Ne4 34.Kh1 Rf6 35.Rf6 Nf6 36.Nd4 Re4 37.Nc6 Rh4 38.Kg2 Ra4 39.Rb7 a6 40.Rb3 h5 (40...h5 41.Rd3 h4-+) 0–1. Lipskij,V – Dambrauskas,V, 22nd ECU Club Cup, 2006.

8.Bf4 Nc6 9.c3 Ba5 10.Qc2 Bg4 11.h3 Bh5 12.Qb2 Qd7 13.d4 c4 14.Nbd2 b5 15.Bd1 a6 16.Ne5 (16.Ne5 Qe6 17.Nc6 Qc6 18.Bc2=). Hoebel,Hartmut (2445) – Leblanc,Sebastien (2350), corr EU/EM/M/003, 2002.

8.Bf4 Bf5 9.a3 Ba5 10.d4 c4 11.Ne5 Nbd7 =+.

8.Bf6 Qf6 9.c3 Ba5 +=.

9.d4 Nc6 10.Bf6= Qf6 11.dc5 Be6 12.Qa4 Bc7 13.Nbd2 Qc3 14.Rab1 Rab8 15.Rfc1 Qf6 16.Bd3 Bd7 17.Qc2 Qh6 18.h3 Ne5 19.Ne5 Re5 20.Nf3 Rh5 21.Rb4 Qf6 22.Qb2 Qb2 23.Rb2 Bc6 24.Rcb1 Re8 25.Bb5 Bb5 26.Rb5 b6 27.cb6 Bb6 28.a4 Rh6 29.a5+– Bc7 30.Rc5 Bb8 31.Rb7 Rd6 32.Nd4 Ra6 33.Nf5 Be5 34.Rd5 Bc3 35.Nd6 Rf8 36.Nc4 g6 37.Rd3 Bf6 38.Rc7 Bd8 39.Rcd7 Bf6 40.Kf1 Rc8 41.R3d6 Rac6? 42.Ra7 (42.Ra7 Bc3 43.Nb6 Rd6 44.Nc8 Rd1 45.Ke2 Rd2 46.Kf3+–) 1–0. marekt – rollerball, ChessWorld.net, 2004.

9.d4 Ne4 10.dc5 Nc6 11.Bd4 +=.

9.Bf6 Qf6=+ 10.Qb3 Qd6 11.Na3 Nc6 12.Nb5 Qd8 13.Na3 c4 14.Qa4 a6-/+ 15.Nc2 Bc7 16.Nb4 Nb4 17.Qb4 Bd6 18.Qa4 b5 19.Qc2 Qc7 20.Ng5 g6 21.f4 Bf5 22.Qb2 h6 23.Nh3 Qd7 24.Nf2 Bc5 25.g4 Be4 26.g5 hg5-+ 27.fg5 Qd8 28.Ne4-/+ de4 29.Rf6 Re5-+ 30.h4 Rd5 31.Rd1 Be3! 32.de3 Rd1 33.Bd1 Qd1 34.Kh2 Rd8 35.Qg2 Rd2 36.Rf2 Rf2 37.Qf2 Qd6 38.Kg2 Qe6 39.Qf4 Kg7 40.Kg3 Qf5 41.Qf5 gf5 42.a3 a5 43.Kf4 b4! 44.ab4 ab4 45.Kf5 bc3 46.Ke4 c2 (46...c2 47.Kd4 c1Q-+) 0–1. WaterDragon – HELTERSKELTER, ChessWorld.net, 2008.

10.Qc2 Nbd7 11.Nbd2 Ne5 12.Ne5 Be6 13.e4 Rc8 14.Rab1 Ne4 15.Ne4 de4 16.Rb7 a6 17.Bg4 f5 18.Be2 Bc7 19.Rfb1 Be5 20.de5 Qa5 21.R7b6 Qe5 22.Ra6 e3 23.Bh5 g6-/+ 24.Bf3 Rcd8 25.Re1 Rd3 26.fe3 Re3 27.Re3 Qe3 28.Qf2 Qc1 29.Qf1 Qc3 30.Kh1? Bc8-+ (30...Bc8 31.Bd5 Kf8-+) 0–1. Pachurka,Roland – Gerwert,Thomas, DESC, 2003.

10.Qc2 Ne4 11.a3 Nc6 =+.

10.Qc2 Ne4 11.Nfd2 Bf5 12.Ne4 Be4 13.Qb2 Nd7 14.Bg3 Qb6 15.Qa3 Bd3 16.Bd3 cd3 17.Rd1 Nf6 18.Nd2 Rac8 19.Rab1 Rc3 20.Qc3 Bc3 21.Rb6 ab6 22.Nf1 d2 23.Nd2 Ra8 24.Nb1 Bb2 25.a3 Ba3 26.Na3 Ra3 27.h3 Ne4 28.Kh2 b5 29.Bh4 f6 30.g4 b4 31.Bg3 b3 32.Kg2?? g5 33.h4? Kf7 34.Rc1 Kg6 35.f4 0–1. Kellermann,Friedrich – Buss,Michael, corr ICCF TT/4/90 Final, 1990.

10.Qc2+= Ne4 11.Nfd2 Bf5 12.Ne4 Be4 13.Qb2 Nd7 14.Bg3 Qb6 15.Qc1 (15.Qa3 Bd3 16.Re1 Qb5=) 15...Qg6 16.Qa3 Bd8 17.Nd2 Bd3 ½–½. Haubro,Sigfred (2175) – Nielsen,Viktor (2025), Copenhagen DEN, BMS Open, 2014.

9.a3 Ba5 10.d4 Be6 11.Ng5 cd4 12.Bd4 Nd4 13.Qd4 dc4 14.Ne6 Re6 15.Qc4 Rc8 16.Qb3 Rb6 17.Qa4 Rb2 18.Rd1 Qc7 19.Bf3 Rc2 20.Qd4 Rd8 21.Qd8 Qd8 22.Rd8 Bd8 23.Kf1 Bc7 24.a4 Rc1 25.Ke2 Be5 (25...Be5 26.Ra2 Rb1-+; 25...Bh2?! 26.Kd2 Rc4 27.Kd3=+) 0–1. Scholbach,Tillmann – Elliott,Tom, C1.1999.0.00181, 1999.

9.Bb2 d4 10.ed4 cd4 11.d3 Qe7 12.Bd4 Qe2 (12...Nd4!? 13.Nd4 Qe5 14.Nb3 Qe2 15.Qe2 Re2 16.Nd4-+) 13.Qe2 Re2 14.Bf6 gf6 15.d4 (15.a3 Ba5-+) 15...Bg4 16.a4 (16.a3 Ba5 17.Rd1-+) 16...Bf3 17.gf3 (17.d5 Na5 18.gf3 Nb3-+) 17...Nd4 18.Na3 Kh8 0-1. Melderis,U (1910) - Kovalenko,I (2640), Gipslis Memorial Blitz (1), 2021.

9.d4 cd4 10.ed4 Bg4 11.Qb3 Rc8 12.a3 Bf8 13.cd5=+ Nd5 14.Bd1 Na5 15.Qd3=+ Nc4 16.Bb3 Ne5 17.Ne5 Be6 18.Nd2 Nf4-+ 19.Qb1 Qg5 20.Qe4 Bb3 21.Nb3 f6 22.g3 fe5 23.de5 Ne6 24.f4 Qe7 25.Rfd1 Rc3 26.Rab1 Qc7 27.Nd2 Nc5 28.Qd4 Rd3 29.Qc4 Qf7 30.Qf7 Kf7 31.Nc4 Red8 32.e6? Ke6 33.Re1 Kf6 34.g4 g6 35.Ne5 Ra3 36.Red1 Rd1 37.Rd1 Ra4 38.g5 Ke6 (38...Ke6 39.Re1 Kf5-+) 0–1. Saradjen,Janko – Panchenko,Alexander N, Ljubljana, 1992.

9.d4 cd4 10.Bd4 Ne4 11.Bb2. Sternik,Ryszard – Shatunov,V, corr ICCF EU–M–GT–346, 1992.

9.d4 Ne4 10.Qc2 Bf5 11.Bd3 Rc8 12.cd5 Qd5 13.Qe2? Ne5-+ 14.de5 Ng3! 15.hg3 Bd3 16.Rd1 Qe5 17.Ne5 Be2 18.Rd5 Rcd8 19.Rd8 Rd8 (19...Rd8 20.a3 Rd1 21.Kh2 Be1-+) 0–1. Brinkmann,Wilhelm – Jung,Hans Rudolf, corr SOK–87–04, 1987.

9.cd5?? Ne5-+ (worse is 9...Re5 10.dc6 Re6 11.a3+=) 10.Ne5 Re5 11.Bc4 Nd5 12.a3 Ba5 13.d4 cd4 14.ed4 Rg5 15.Qf3 Bg4 16.Qb3 Be6 17.Qb7 Rg2! 18.Kg2 Nf4 19.Kh1 (19.Kf3 Bc4 20.Rd1-+) 19...Bc4 20.Rc1 (20.Nc3 Bc3 21.Rac1 Bd5 22.Qd5 Qd5 23.f3 Bd4 24.Rce1 Qa2 25.Re8 Re8 26.Rg1 Bg1 27.Kg1 Qg2) 20…Bd5 (20...Bd5 21.f3 Bb7 22.Nd2 Bd2 23.Rf1 Qg5 24.Rf2 Bf3 25.Rf3 Qg2) 0–1. Neumann,Frank – Milde,Lars, OP–2011–0-01515, 2011.

8.c3 Nc6 9.Bf4 Nh5 10.Bg5 f6 11.Bh4 g5 12.Bg3 Ng3 (12...Bf5 13.a4 Qb6 14.Na3 a6 15.0-0 Ng3) 13.fg3 (13.hg3 Bf5 14.a4 Qb6 15.Na3 Qb2) 13...Be6 (13...Bf5 14.0-0 Qd7 15.a4 Be4) 14.0-0 d4 15.cd4 (15.Bb5 de3) 15...cd4 16.Qc2 Kg7 17.Bc4 Bc4 18.Qc4 de3 19.de3 Qb6 20.Kh1 Qe3 21.Qb5 Rf7 22.a4 Bb4 23.Ra2 Rd8 24.Raf2 (24.Re2 Qd3-+) 24...Rfd7 (24...Re7 25.Qc4-+) 25.Ng1 (25.Re2 Qb6 26.Qb6 ab6-+) 25...a6 26.Qf5 Rd6 27.Re2 Qd3 28.Qf2 Ne5 29.h3 Rc6 30.g4 Nc4 31.Rc1 Rdc8 32.Rf1 a5 33.g3 (33.Rc1 h6-+) 33...Nb6 (33...Rd8 34.Qf3-+) 34.Nf3 Qd5 35.Kh2 Rd8 36.Ra2 (36.Nfd2 Na4 37.Ne4 Qd4-+) 36...Nc4 37.Re2 Bc5 38.Qe1 Qd3 0–1. Mantu,Eugen (2440) – Jankowiak,Andreas (2310), BdF OS–042 remoteschach.de, 2006.

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

9.Bb2 d4 10.ed4 cd4+= 11.d3 Re8-/+ (11...Qb6 12.Bc1 Re8 13.Nfd2 Qc5 14.Re1 Be6 15.Bf3 Rac8 16.Kh1 Nd8-/+) 12.c3 Qe7 13.Re1 Bg4 (13...Nd5 14.Qb3 Be6 15.Qc2 Bg4 16.Bf1 Qc5-+) 14.Nbd2?? (better is 14.Kf1-/+ Qc7 15.Kg1 Bf3 16.gf3 Rac8-+) 14...dc3-+ 15.Bc3 (15.Bc1 Bf3 (worse is 15...cd2 16.Bd2 Rad8 17.Ba5 Na5 18.Bf1-+) 16.Nf3 c2 17.Qc2 Be1-+) 15...Bc3 16.Rc1 (16.h3 Bf3 17.Bf3 Qe1 18.Qe1 Re1 19.Re1 Bd2-+) 16...Bf3 17.Bf3 Qe1 18.Qe1 Re1 19.Re1 Bd2 20.Rd1 Bf4 21.g3 Bd6 22.a4 Rb8 23.d4 a6 (23...Rd8 24.h3-+) 24.d5 (24.Kg2 Ne7-+) 24...Ne5 (24...Ne7 25.g4-+) 25.Bg2 b5 26.ab5 ab5 27.f4 Neg4 28.h3 Bc5 29.Kf1 Ne3 30.Ke2 Ng2 31.Kf3 Ne3 32.Rc1 Nc4 33.g4 h6 34.g5 hg5 35.fg5 Nd5 36.Ke4 Nde3 37.Rc3 b4 38.Rc1 b3 39.Kd3 b2 40.Rb1 Na3 41.Re1 b1Q 42.Rb1 Nb1 43.h4 Rb3 44.Ke2 Nf5 45.h5 Re3 46.Kf1 Ng3 47.Kf2 Ne4 (47...Ne4 48.Kf1 Nbd2 49.Kg2 Rg3 50.Kh2 Nf3 51.Kh1 Rg1#) 0–1. Neumann,Frank (1635) – Bennewitz,Bernhard (2130), RSR6E – Rapid–Testturnier–1, 2010.

9.Bb2 Be6 10.d3 Rc8 11.Nbd2 b5 12.a4 b4 13.Nb3 Bb6 14.Bf6 Qf6 15.a5 Bc7 16.Nc5 Ba5 17.Ne6 fe6 18.d4 Bc7 19.Ba6 Rb8 20.Qd3 Ne7 21.e4= Ng6 22.e5 Qf4 23.Qe3 Bb6 24.Rfb1 Qe3 25.fe3 Bd8 26.Rb3 Nh4 27.Bd3 Nf3 28.gf3 a5 29.Kg2 Rc8 30.f4 g6 31.c3 bc3 32.Rc1 g5 33.f5 ef5 34.Ba6 Rc7 35.Rbc3 Rc3 36.Rc3 Bb6 37.Bb7+= Kf7 38.Bd5+/- Ke7 39.Rc6 Bd8 40.Ra6 Bc7 41.Rh6 Rh8 42.Re6 Kd7 43.Rf6 Bd8 44.Rf5 h5 45.e6 Kd6 46.Bb3 a4? 47.Ba4 Ke6 48.e4 Be7 49.Bd1 Kd7 50.h3 Rh6 51.Ra5 Bd8 52.Ra7 Kc6 53.e5 Bb6 54.Bf3 Kb5 55.Rd7 Kc4 56.d5 Kd4 57.e6 g4 58.hg4 hg4 59.Bg4 Bc5 60.d6 (60.d6 Rh8 61.e7+–) 1–0. Preuss,Guenter – Deforel,Jorge Eduardo, corr 3GMM–34, 1997.

9.Bb2 Re8 (--> 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

9.c3 Ne5 10.Ne5 Bf5 11.d3 Re8-/+ 12.Nf3 Qb6 13.c4? dc4-+ 14.dc4 Qb2 15.Nbd2 Bc3 16.Nb3?? Bc2 (16...Bc2 17.Qc1 Qb3-+ (17...Bb3?! 18.Qb2 Bb2 19.Rab1 Ba3 20.Rb3-+)) 0–1. gtate (1930) – ciclamino (2155), net–chess.com, 2003.

9.Bc3 Bc7 10.d3 d4 Black gets strong initiative 11.ed4 cd4 12.Bd2 (12.Bb2 Re8=+) 12...Qd6-/+ 13.a4 (13.c4!?-/+) 13...Bg4-+ 14.g3 Rfe8 15.Na3 (15.Bf4 Qe6 16.Bc7 Qe2-+) 15...Qd5 (15...Re2 16.Qe2 Re8 17.Qd1-+) 16.Nb5 (16.c4 dc3 17.Be3 Bb6-+) 16...Re2! 17.Qe2 Decoy theme: e2 17...Ne5 18.Nc7 (18.Ne5 Be2 19.Nc7 Qe5 20.Na8-+) 18...Nf3 19.Kh1 Qh5 (19...Nd2?! 20.f3 Qa5 21.fg4 Nf1 22.Na8=+) 20.h4 Nh4! (20...Nh4 21.Qg4 Qg4 22.gh4 Qh4 23.Kg2 Qg4 24.Kh2 Rc8-+) 0-1. amikhlin (2600) - karpasov (2630), net-chess.com, 2022.

9.Bc3 Bc7 10.d4 c4 11.Nbd2 Re8 12.h3 h6 13.Rb1 Qe7 14.Qc1 Bf5 15.Qb2 Rab8 16.Ra1 Bd6 17.a4 b6 18.Rfe1 a6 19.Rf1 b5 20.ab5 ab5 21.Ra6 Rec8 22.Ne5 Be5 23.de5 Nd7 24.Nf3 b4 25.Bd4 b3 26.cb3 Rb3 27.Qa1 Nc5 28.Bc5 Qc5 29.Nd4 Nd4 30.ed4 Qb5 31.Ra5 Qb7 32.Bf3 Be6 33.Ra7 Qb6 34.Ra6 Qb4 35.Ra4 Qd2 36.Rd1 Qb2 37.Qb2 Rb2 38.Kf1 c3 39.Rc1 Bf5 40.Ke1 Rb5 41.Ra3 c2 42.Bg4 Bg4 43.hg4 Rb4 44.Rd3 Rbc4 45.Kd2 Kf8 46.f4 Ke7 47.f5 g6 48.Ke3 Rb8 49.Ra3 Rb1 50.f6 Kd7 51.Ra7 Kc6 52.Kd2 Rd4 53.Kc2 Rb7 54.Rb7 Kb7 55.e6 fe6 56.Rf1 Rc4 57.Kd3 Rc8 58.Kd4 1–0. phildo (1870) – niefpaarschoenen (1880), gameknot.com, 2013.

9.d4 Ne5 10.Ne5 Re8 11.c4 cd4 =+.

9.Bf4 Bf5 10.Nc3 Ne4 11.Ne4 de4 (11...Be4?! 12.Rb1 Qe7 13.Bb5=) 12.Ng5 (12.Ne5!? Ne5 13.Be5 Bd2 14.Bg4-/+) 12...h6-+ 13.Nh3 g5 (13...Bh3 14.gh3 Bd2 15.Rb1-+) 14.Bg3 Qd2 15.Qd2 Bd2 16.Bd6 Rfd8 17.Bc5 b6 18.Bb5 Rac8 (18...bc5?! 19.Bc6 Rab8 20.c4-/+) 19.Bc6 Rc6 (19...bc5?! 20.Bb7 Rc7 21.Rab1-+) 20.Bb4 Rc2 21.Bd2 Rdd2 22.a4 Bd7 23.g3 (23.a5-+) 23...Bh3 24.Rfc1 Rc1 25.Rc1 Ra2 26.Rc8 (26.Rd1-+) 26...Bc8 27.Kg2 g4 (27...g4 28.Kf1 Ba6 29.Ke1 Ra4 30.Kd2 Ra2 31.Kc3 Rf2 32.Kd4 Bd3 33.Kd5 a5 34.Kc6 a4 35.h3 gh3 36.g4 h2 37.g5 Rc2 38.Kb6 h1Q 39.gh6 Qb1 40.Ka7 Rc7 41.Ka8 Qb7#; 27...Bg4 28.Kf1 Ra1 29.Kg2 Bf3 30.Kh3 g4 31.Kh4 Rh1 32.h3 Rh3#) 0–1. Neumann,Frank – Damnjanovic,Radovan (1760), SC–2011–0-00102, 2011.

8.0-0 Nc6 9.c4 Be6 10.Qb3 b6 11.Nc3 Re8 =+.

8.a3 Nc6 9.0-0 Be6 10.Ne5 Re8 11.Nc6 bc6 =+.

8.Na3 Ne4 9.0-0 Bg4 10.c3 Nc6 11.Rb1 c4 =+.

8.Qc1 Nc6 9.0-0 Re8 10.c4 d4 11.Na3 Bf5 =+.

8.Bc3 Bc3 9.Nc3 Ne4 10.Rb1 Nc6 11.0-0 Nc3 =+.

8.Nc3 Ne4 9.0-0 Nc3 10.Bc3 Bc3 11.dc3 Nc6 =+.

8.c4 dc4 9.Bc4 a6 10.a4 Be6 11.Qb3 Bc4 =.

8.Ne5 Qb6 9.Qc1 Nbd7 10.0-0 Re8 11.f4 Ne5 =+.

8.h3 Bf5 9.0-0 Nc6 10.d3 d4 11.Nbd2 Re8 =+.

8.0-0 a5 9.d3 b5 (9...cd3!? 10.Qd3 Nbd7=) 10.a3+/- Be7 11.a4 (11.Nc3 Qb6 12.Nd4 Nc6 13.Ndb5 Be6+/-) 11...ba4 (11...cd3 12.Bd3 ba4 13.Nc3=) 12.dc4+= dc4 13.Qd8 (13.Ra4 Nbd7+=) 13...Rd8 14.Bc4 (14.Ne5 Be6=) 14...Bd7 (14...Nc6!?=) 15.Ne5+/- Be8 16.Nc3 Attacks the isolani on a4 16...Rc8 (16...Nbd7 17.Nc6 Nb6 18.Ne7 Kf8 19.Ba2 Ke7 20.Ba3 Kd7 21.Bf8+-) 17.Bd3 (17.Na4 Nbd7 18.Nd7 Nd7+/-) 17...Na6+= 18.Na4 Nb4? (better 18...Ba4 19.Ra4 Nc5+=) 19.Nb6+- Rcb8 (19...a4 20.Rfb1+-) 20.Na8 Nd3 (20...Ra8 21.Rfb1+-) 21.Nd3 (better 21.cd3 Ra8 22.Ba3+-) 21...Bb5?? (21...Ra8 22.Ba3 Bd8+-) 22.Bf6 Bd3 (22...Bf6 23.Ra5 Bc6 24.Nc7+-) 23.cd3 Bf6 24.Ra5 1-0. bjoernsen (2370) - RomzeS (2260), Rated Blitz game, lichess.org, 2016.

8.0-0 Be6 9.d3 Nc6 10.a3 Ba5 11.dc4 dc4 =.

8.a3 Be7 9.d3 Be6 10.dc4 dc4 11.Qd8 Rd8 =.

8.0-0 d4 9.c3 d3 10.cb4 Nb4 11.a3 de2 12.Qe2 Nd3 13.Bf6 Qf6 14.Nc3 c4 15.Rab1 (15.Nd4 Bd7=+) 15...b6-/+ 16.Ne1 Qg6 (better 16...Rd8!?-/+) 17.Nd3= cd3 18.Qf3 Ba6 (18...Bg4 19.Qg3 Be6 20.Qg6 hg6 21.e4=) 19.Rb4+= Rad8 (19...Qe6 20.Rd4+=) 20.Ra4+/- b5 21.Rg4 Qd6 22.h4 Qa3 (22...Qe7 23.Qg3 f5 24.Rb4+/-) 23.Qf6+/- g6 24.Ne4 Bb7 25.Ng5?? (better 25.Ra1 Qb3 26.h5+/-) 25...Qd6=+ 26.Qb2 h5 (26...Qd7 27.f3=+) 27.Rg3 (27.Rf4!? f6 A) worse 28.Qb5 Bc6 (28...fg5?! 29.Rf8 Rf8 30.Qb7+=) 29.Qc4 Bd5 30.Qd3 fg5=+; B) 28.Ne4 Be4 29.Re4=) 27...a6 28.f4 (better 28.Rc1!?-/+) 28...Rc8-+ 29.f5?? (better 29.Qb3-+) 29...Qg3 30.Rf2 (30.e4 gf5 31.Rf3 Qh4 32.Rf5 Rc2-+) 30...Qh4 (better 30...Rc2 31.Qa3 Rfc8-+) 31.Qf6 Rc1 32.Rf1 Qg3 (32...Qg3 33.e4 Rf1 34.Kf1 a5-+; 32...Rf1 33.Kf1 Qh1 34.Kf2 Qg2 35.Ke1 Qe2) 0-1. bjoernsen (2465) - ACFKC (2345), Rated Blitz game, lichess.org, 2016.

8.0-0 d4 9.d3 de3 10.fe3 Ng4 11.Bc1 (11.Qc1 Re8 12.a3 Ne3 13.ab4 Nf1 14.Qf1 Qe7=+) 11...Re8 (11...Qe7 12.e4=+) 12.e4 (12.c3 Ba5 13.e4 Qd6=+) 12...c4 13.h3? (13.dc4 Bc5 Double attack (13...Re4 Deflection; 13...Qb6 Decoy)) 13...Bc5 14.Kh1 Nf2 15.Rf2 Bf2 16.Bg5 f6 17.Bf4 cd3 18.cd3 Nd4 19.Nc3 Be6 20.Rb1 Ne2 21.Ne2 Bb6 22.d4 White prepares the advance e5 (22.a4 Qd7-+) 22...Ba2 23.Rb2 Bf7 24.e5 (24.Qd3 Qe7 25.Ng3 Rad8-+) 24...fe5 25.Be5 Bd5 26.Nf4 (26.Nc3 Bf3 27.gf3 Rc8 28.Qb3 Kh8-+) 26...Bf3 27.Qf3 Bd4 28.Rd2 (28.Bd4 Qd4 29.Rb1-+) 28...Re5 29.Qb7 (29.Qd1 Qa5 30.Qb3 Kh8 31.Rd4 Qe1 32.Kh2-+) 29...Rb8 (29...Re1 30.Kh2 Bg1 31.Kh1 Be3 32.Kh2 Bf4 33.g3 Bg3 34.Kg2 Qd2 35.Kg3 Qg5 36.Kf2 Qg1 37.Kf3 Rf8 38.Qf7 Rf7) 30.Rd4-+ Rb7 31.Rd8 Kf7 32.Kh2 Re8 (32...a5 33.Nd3 Re3 34.Nc5-+) 33.Rd3 (33.Rd5 Re1-+) 33...a5 34.Rf3 Kg8 35.Nd5 (35.Ra3 Re4 36.Kg3 a4-+) 35...a4 36.Ra3 Ra8 (36...Re4!? 37.Rc3-+) 37.Nc3 Rb4 38.g3 (38.Kg1 Kf7-+) 38...Kf7 (better 38...Rc8 39.h4 Rb3 40.Ra4 Rcc3 41.Ra8 Kf7 42.Ra7 Kf6 43.Ra6 Ke5 44.Ra5 Ke6 45.Rg5-+) 39.h4 Ke6 40.Kg2 Rb2 (40...Ke5 41.h5-+) 41.Kh3 Rb4 42.h5?? (42.Kg2 Ke5 43.h5-+) 42...Kd7 (42...Ra5!? 43.h6-+) 43.g4 (43.Kh2 Kc6 44.Ra1 Ra5-+) 43…Rb3 (43...Rb3 44.Rb3 ab3-+) 0-1. bjoernsen (2375) - Novik89 (2345), Rated Blitz game, lichess.org, 2016.

8.0-0 d4 9.d3 Re8 10.ed4 cd4 11.Nbd2 Be6 12.a3 Ba5 13.Nb3 The pressure on the isolated pawn grows (13.Nc4 Bc4 14.dc4 Ne4-/+) 13...Bb6 (13...Bb3!? 14.cb3 Qe7-/+) 14.Re1 Qd7 15.Bf1 Bg4 16.Be2 a5 17.Nbd2 Nd5 18.Ne4 Nf4 (18...f5 19.Ng3 Nf4=+) 19.Bf1 (better 19.Nd4!? Bd4 20.Bg4+=) 19...a4 (better 19...Qf5-/+) 20.g3? (20.h3 Bh5 21.c3 f5-/+) 20...Nd5 (20...Ba5!? 21.h3 Nh3 22.Bh3 Bh3 23.Nfd2-+) 21.Be2 (21.Bg2 f5 22.Ned2 Nc3 23.Re8 Re8-/+) 21...Ba5 (better 21...f5 22.Ned2 Bc5-/+) 22.Ned2? (better 22.Nd4 Bh3 23.Rb1-/+) 22...Bc3-+ 23.Nc4 (23.Qc1 Bf3 24.Nf3 Be1 25.Qe1-+) 23...Bb2 (better 23...Bf3 24.Rb1-+) 24.Nb2 Nc3 25.Qd2 Ne2 (better 25...Re2!? 26.Re2 Bf3 27.Re3-+) 26.Re2 Bf3 27.Re8 Re8 28.Qf4 (28.Qc1 Ne5 29.Nc4 Nc4 30.dc4 Qf5-+) 28...Qg4 (better 28...Ne5 29.g4-+) 29.Qg4 Bg4 30.Kg2 (30.Na4 Re2 31.Rc1 Ne5-+) 30...Re2 31.h3 (31.Rc1 Ne5 32.h3 Bf3 33.Kf1 b5-+) 31...Be6 (31...Rc2 32.Na4 Be2 33.g4-+) 32.Rc1 Bd5 (better 32...b5!? 33.g4-+) 33.Kf1 Re7 (33...Re5!? 34.c4 Bf3 35.h4-+) 34.Na4 Be6 35.g4 h5! 36.f3 (36.gh5 Bh3 Pinning (36...Bh3 Deflection)) 36...hg4 37.hg4 (37.fg4 f5-+) 37...Ne5 38.Kf2 Ng6 (38...Bd5 39.Re1 Kf8 40.Nb6-+) 39.Nc5 (39.Kg3 b5 40.Nc5 Rc7 41.Ne6 fe6-+) 39...Bd5 (39...Rc7 40.Ne6 fe6 41.Kg3-+) 40.Rb1 (40.c4 Bc6 41.Ne4 Ne5-+) 40...Rc7 41.Rb5 Bc6 (better 41...Nf4!? 42.a4-+) 42.Rb4 Bf3! 43.Rd4 (43.Kf3 Ne5 Double attack (43...Rc5 Discovered attack)) 43...Rc5 (43...Bg4 44.Nb7 Rc2 45.Kg3-+) 44.Kf3 Rc2 45.Rb4 Rc3 (45...Ne5 46.Ke3-+) 46.Ke4 Rc7 47.d4 Ne7 48.Ke5 (48.Rb2 Nc8-+) 48...Nc6 49.Kd6 Re7 50.Rc4 (50.Rb1 Re3 51.Rb7 Nd4-+) 50...Kf8 (better 50...Re4 51.Rc5 Nd4 52.g5-+) 51.d5 Nd8 (51...Na7 52.a4 Ke8 53.a5-+) 52.Rc8 (52.Rc7 Rc7 53.Kc7 Ke8-+) 52...Ke8 53.Kc5? (53.Rc7 Re4-+) 53...Rd7 (53...Kd7!? 54.Ra8-+) 54.d6 g6 55.Rc7 (55.Kd5-+) 55...Ne6 56.Kb6 Nc7 57.Kb7 (57.dc7 Rc7! 58.Kc7 f5 59.Kb7 f4-+) 57...Ne6 58.Kc6 Kd8 0-1. NoLuckOnlySkill (2150) - TossIMBA (2405), Rated Blitz game, lichess.org, 2016.

8.0-0 Re8 9.d3 Ba5 10.a3 (--> 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.d3).

8.0-0 Bg4 9.d3 Ba5 10.Nbd2 Bc7 11.c4 Re8 12.Bf6 Qf6 13.cd5 Nb4 14.e4 Rab8 15.a3 Na6 16.Nc4 Qh6 17.g3 (17.h3 Bf3 18.Bf3 b5+=) 17...Qh5 (17...b5 18.Ne3 Bh3 19.Re1=) 18.Re1 b5 19.Ne3 Bf3 20.Bf3 Qe5 21.Rc1 Bd6 22.Nf5 Bf8 23.Qb3 Nc7 (23...g6 24.Ne3+/-) 24.Bg2 g6 (24...Qf6!?+/-) 25.f4+- Qf6 26.Ne3 Qd4 27.Kh1 a6 (27...b4 28.Rc4 ba3 29.Qa3+- (29.Rd4?! Rb3 30.Ra4 Rd3=)) 28.Qc3 (28.e5 Kg7+-) 28...Qa4 (28...Qc3 29.Rc3 f6 30.Rcc1+/-) 29.d6! Ne6 (29...Bd6 30.Ng4 Combination) 30.Nd5 Bg7 (better 30...b4 31.Qc4 Red8+-) 31.Nf6 (better 31.e5!? a5 32.Ra1+-) 31...Kh8 (31...Bf6 32.Qf6 Qa3 33.f5+/-) 32.d7 (32.f5!? gf5 33.ef5+-) 32...Red8+= 33.f5 Nd4 (33...Nf8 34.e5 Bf6 35.ef6 Nd7 36.fg6 hg6 37.Re7+/-) 34.e5 Nf5 (34...gf5 35.Bd5 Bh6 36.Qc5 Bc1 37.Qc1+- (37.Rc1 Ne2 38.Ne8 Qg4+-)) 35.Qc5 (35.Ne4 b4 36.Qc4 Bf8+/-) 35...Bf6+= 36.ef6 Rd7 37.Bc6 (37.Be4!? Nd4 38.Bd5+=) 37...Rd3= The isolani on a3 becomes a target 38.Re4 (38.Be4 Rdd8=) 38...Qa5 (38...Qa3!? 39.Qa3 Ra3-+) 39.Rce1=+ Rdd8 (39...Rg8 40.Bd5 Qd8 41.Bf7 Qf6 42.Qc7-/+) 40.g4 (better 40.Bd7=) 40...Nh4 (40...Nd6 41.Re7=+) 41.Qg5?? (41.Be8 Qe1 42.Re1 Re8 43.Re7+-) 41...Qa3?? (better 41...Qc3 42.Qh4 Qc6=+) 42.Qh4+- Qf3 43.Kg1 Rf8 (43...Rd1 44.g5 Rf8 45.Qg3 Re1 46.Qe1+-) 44.g5 h5 45.Qf4 (45.Bd5 Rbd8 46.Bb7 Rb8+-) 45...Qc3 (45...Qf4 46.Rf4 b4 47.Rfe4+/-) 46.Qc1 (46.Rc1 Qa5+-) 46...Qd3 (46...Qc1 47.Rc1 b4 48.Rb1+-) 47.R1e3 (47.Qc5 Kg8+-) 47...Qd6 48.Rc3 (48.Be8 b4+-) 48...Rbc8 49.Re1 Rcd8 (49...Rfd8 50.Kh1+-) 50.Bf3 (50.Ra3!? Qd4 51.Qe3 Qg4 52.Kh1 Qc8+-) 50...Qd4 (50...Rfe8 51.Re8 Re8 52.Kg2+-) 51.Kh1 b4 52.Rce3 (better 52.Rc4 Qf2 53.Rf1+-) 52...b3? (52...Rc8 53.Qa1 Qa1 54.Ra1+-) 53.Qb1 (better 53.Rb3 Rc8 54.Qe3 Qe3 55.Rbe3+-) 53...b2 54.R3e2 Qc3 55.Rb2?? (55.Bg2 Rd2 56.Rd2 Qd2 57.Rd1+=) 55...Qe1?? (better 55...Qf3 56.Rg2 Rfe8-/+) 56.Qe1+- Rfe8 57.Qf1 (57.Qa5 Rc8+-) 57...Rf8 (57...Re6 58.Rb7 Rde8 59.Qd3+-) 58.Rf2 (58.Qa6 Kh7+-) 58...Kh7 59.Kg2 (59.Qa6 Rc8+-) 59...Rfe8 (59...Rd6 60.Ra2+-) 60.Qb1 (better 60.Qa6 Re5 61.h4 Kg8+-) 60...Rd6 (60...Re5 61.h4 Rc5 62.Bh5+-) 61.Qb3 Red8 (61...Kg8 62.Bd5 Rd7+-) 62.Qf7 Kh8 63.Qg7 1-0. bjoernsen (2395) - norba94 (2345), Rated Blitz game, lichess.org, 2016.

8.0-0 Bg4 9.d3 Ba5 10.Nbd2 Bc7 11.c4 Re8 12.Bf6 Qf6 13.cd5 Ne5 14.e4 (14.Qb3!?+/-) 14...Qh6+= 15.g3 f5? (better 15...Bh3!?+=) 16.Rb1+/- fe4 (16...b6 17.Ne5 Be2 18.Qe2 Be5 19.Nf3+/- (19.ef5?? Bg3 20.Qe8 Re8 21.hg3 Qd2-+)) 17.de4 Nf3 (17...Qh5 18.Re1 Nf3 19.Bf3 (19.Nf3?! Re4 20.Rb7 Bd6+=) 19...Bf3 20.Nf3+-) 18.Bf3 (18.Nf3?! Re4 19.d6 A) worse 19...Bd6 A1) 20.Rb7?! Rf8 21.Ne5 Re2 (21...Be2? 22.Qd5 Kh8 23.Qe4+-; worse 21...Re5 22.Bg4 Qg6 23.Rd7+/-) 22.Ng4 Qe6=; A2) 20.Qd5 Qe6 21.Qb7 Re2 22.Qa8 Qe8 23.Qe8 Re8 24.Rfe1 Re1 25.Ne1+-; B) 19...Qd6 20.Qb3 Be6=) 18...Bf3 19.Nf3 Re4 20.Rb7 Bb6 (20...Bd6 21.Re1 Re1 22.Qe1+-) 21.d6 Rd8 22.Qd5 (better 22.Qd3 Qg6 23.Rd1+-) 22...Re6?? (better 22...Qe6 23.Qg5 Qf6 24.Rg7 Qg7 25.Qd5 Qf7 26.Qe4 Rd6+-) 23.Ng5 (23.Re1 Rdd6 24.Rb8 Kf7 25.Ne5 Ke7 26.Qb7 Bc7 27.Qc7 Rd7 28.Qd7 Kf6 29.Qf7 Kg5 30.f4) 23...Rdd6 24.Rb8 Bd8 (24...Rd8 25.Rd8 Bd8 26.Qd8 Re8 27.Qe8) 25.Rd8 Rd8 26.Qd8 Re8 27.Qe8 1-0. bjoernsen (2370) - pacalmisu (2380), Rated Blitz game, lichess.org, 2016.

8.0-0 Bg4 9.d3 Re8 (--> 7.0-0 Nc6 8.Bb2 Re8 9.d3 Bg4).

8.a3 Ba5 9.0-0 Bf5 10.d3 d4 11.Nbd2 Re8 =+.

8.a3 Ba5 9.0-0 Bf5 10.d4 c4 (10...Qb6 11.Ra2=+) 11.Bc3 (11.Nc3 Qe7-/+) 11...Ne4 (11...h6 12.Ba5 Qa5 13.Nbd2-/+) 12.Ba5 Qa5 (12...Na5?! 13.Qe1=+) 13.Nfd2 (13.Qe1-/+) 13...Nc3 (13...Nd6!?-/+) 14.Nc3=+ Qc3 15.Ra2 b5 16.Nb1 (16.Qc1 Rab8=+) 16...Qa5 17.c3 (17.g4 Be6-/+) 17...Rad8 (17...Rae8 18.Qc1=+) 18.Qd2 Qc7 (18...Rd6 19.Qb2=+) 19.Rb2 (19.Qb2 a6=+) 19...Rb8 (19...a6 20.Bd1-/+) 20.Bd1 (20.Bf3 Qd6 21.Re1-/+) 20...Bb1 (better 20...a5!?-/+) 21.Rb1= a5 22.Bf3 Qd6 (22...Rfd8 23.Rb2=) 23.Rb2 (23.e4 de4 24.Be4 b4=) 23...Rb6 (23...b4 24.ab4 ab4 25.cb4 Nb4 26.Ra1=) 24.Rfb1 (24.e4 de4 25.Be4 Rfb8=) 24...Rfb8 (24...b4 25.ab4 ab4 26.cb4=) 25.g3 (25.e4 de4 26.Be4 Ne7=) 25...g6 (25...f5 26.Qc2 g6 27.h4=) 26.Ra2 (26.e4 de4 27.Be4 b4 28.ab4 ab4=) 26...Kg7 (26...b4 27.ab4 ab4 28.cb4 Nb4 29.Rab2=+) 27.e4 (27.Kg2 b4 28.ab4 ab4 29.cb4 Rb4 30.Rb4 Nb4=+) 27...de4 (27...b4 28.cb4 de4 29.Be4 ab4 30.ab4 Nd4 31.Qe3-/+) 28.Be4= Ne7 (28...b4 29.ab4 ab4 30.d5=) 29.h4 (29.d5 Qc5 30.Qe3 Qe3 31.fe3 Nf5=) 29...Ng8 (29...Nd5 30.Bd5 Qd5 31.Qg5=) 30.Bf3 (30.h5 Nh6+=) 30...h5 (30...b4 31.ab4 ab4 32.Kg2=) 31.Qg5 (31.d5 Qc5=) 31...Nf6 (31...b4 32.ab4 Rb5 33.Qe3 ab4 34.Rb4 Rb4 35.cb4 Rb4 36.Kg2=) 32.Qc5+= Qd8 (32...Qe6 33.Re2 Qf5 34.Qf5 gf5 35.Re5+=) 33.Rab2 Qe8 (33...Nd7 34.Qd5 Qf6 35.Kg2+= (worse 35.Qd7 Qf3 36.Rc1 Re6=+)) 34.Re2 (34.Kh2 Ne4 35.Be4 Qe4=) 34...Qd7 (34...Qc8 35.Kg2+–) 35.Re7 (35.Rbe1 Qf5 36.Kg2 b4+=) 35...Qd8 (35...Qf5!? 36.Qf5 gf5+=) 36.Rbe1 b4 (36...Rc8 37.Qe5+–) 37.cb4 (37.Qc4 Qf8 38.ab4 ab4 39.cb4 Rb4+–) 37...ab4 38.ab4 (38.Qc4 Qf8 39.ab4 Rb4+–) 38...Rb4 39.Rc7 (better 39.Ra7 Qc8 40.Rc7+–) 39...R8b5?? (39...Ne8!? 40.Rc6 R4b5 41.Qc4 Rb4+=) 40.Qe7?? (40.Qa7 Kh6 41.Ree7 Rb1 42.Kg2 Nd5+–) 40...Qg8?? (40...Qe7 41.Ree7 g5 42.Rf7 Kg6 43.hg5 Rg5+–) 41.d5 (better 41.Re6! Rb1 42.Kg2+–) 41...Rb3+= 42.Kg2 (better 42.Qe2 Qd8 43.d6 Qd6 44.Qc4=) 42...c3?? (better 42...Nd5!? 43.Qe5 Nf6=) 43.Qe5 (43.Re6 Nh7 44.Be4 Rb6 45.d6 Kh6 46.Bg6 fe6 47.Bh7 Qa8 48.Kh2 Qh1 49.Kh1 Rb1 50.Kg2 Rg1 51.Kg1 Rb1 52.Bb1 c2 53.Qe6) 43...c2 (43...Qb8!?+–) 44.Rc2+– Rf3 45.Kf3 Rd5 46.Qb2?? (better 46.Qa1 Qd8 47.Kg2+–) 46...Qa8= 47.Ke2 Qa6 48.Kf3 Qa8 49.Ke2 Qa6 50.Kf3 Rb5?? (better 50...Qa8 51.Ke2=) 51.Qc3+– Qb7 (51...Qa8 52.Qc6 Qa5 53.Rd1+–) 52.Qc6+– Rf5 (52...Qc6 53.Rc6 Ng4 54.Rc2+–) 53.Kg2 Qa7 54.Ree2 Ng4 (54...Qa5 55.Qc3+–) 55.Qc3 Rf6 (55...Nf6 56.Re5 Qd7 57.Qb2+–) 56.Rcd2 (56.Rb2 Qa6+–) 56...Qb7 (56...Qb6+–) 57.Kg1?? (better 57.f3 Kh7 58.Rd8+–) 57...Qb1= 58.Kg2 Qb7 59.f3 Kh7 60.Rd8 Qb6 (60...Qa6 61.Ree8 (61.fg4 Qe2 62.Kh3 hg4) 61...Qa2 62.Rd2+–) 61.Qd4 (better 61.Ra8 Qc6 62.Qc6 Rc6 63.fg4 hg4 64.Ra7+–) 61...Qc6 (61...Qb3 62.Qd3 (62.fg4 Qf3 63.Kh3 Qe2 64.Rh8 Kg7=+) 62...Qd3 63.Rd3+–) 62.Qd5 (62.Qd3 Rf5+–) 62...Qd5 63.Rd5 Nh6 64.Re4 (64.Rd7 Kg7+–) 64...Nf5 65.Rf4?? (better 65.Rd7+–) 65...Ne3-+ 66.Kf2 Nd5 67.Rd4 (67.Re4 Kg7-+) 67...Ne7 68.Kg2 (68.Rd3 Nf5-+) 68...Nf5 69.Re4 (69.Rd3 Re6 70.Rd2 Rd6-+) 69...Kg7 (better 69...Rd6 70.Re2-+) 70.Kh3 (70.Ra4 Re6 71.Ra2 Re3-+) 70...Re6 71.Rb4 (71.Rf4 Re1-+) 71...Re3 72.Kg2 (72.Rf4 f6-+) 72...Re2 73.Kh3 Rf2 (better 73...Ne3 74.Rb1 Rf2-+) 74.Rf4 (74.Rb3 Nd4 75.Rb4 Ne2-+) 74...f6 (74...Ne3 75.g4 Nf1 76.gh5 Rh2 77.Kg4 Rg2 78.Kh3 Rg3) 75.g4 (75.Ra4 Ne3 76.Ra7 Kh6-+) 75...hg4 (better 75...Ne3 76.gh5 gh5-+) 76.Kg4 (76.Rg4 Rf3 77.Kg2 Rd3-+) 76…Rh2 (76...Rh2 77.Rf5 gf5 78.Kf5 Rh4-+) 0–1. Timmermans,Mark (2415) – Lai,Hing Ting (2390), 9. Batavia Blitz, 2017.

8.Ba3 Ba3 9.Na3 a6 10.c3 h6 (10...Re8 11.0-0-/+) 11.h3 Bf5 12.0-0 Ne4 13.Nc2 Re8 14.a4 Qd6 15.Nh4 Bd7 16.Nf3 Na5 17.Qb1 Rab8 18.Qb2 b5 (18...Nc4 19.Bc4 dc4 20.a5-/+) 19.ab5=+ Bb5 Black gets in control. Opening the b–file gets Black a lot of play 20.Bb5 Rb5 21.Qa2 Nb3 22.Rab1 (22.Qa6!? Rb6 23.Qa4-/+) 22...Nbd2 23.Nd2 Nd2 24.Rb5 ab5 25.Rd1 Ne4 26.Qd5 Qf6 27.Rf1 Qc3 28.Qd1 (28.f3 Qc2 29.fe4 Qe4 30.Qf7 Kh7-+) 28...Nd2 29.Re1 b4 30.Re2 Rd8 31.Kh1 b3 32.Nd4 (32.Na3-+) 32...b2 33.Nb5 (33.Rd2 Qc1 34.Kh2 cd4 35.ed4 b1Q 36.Qc1 Qc1-+) 33…Qd3 (33...Qd3 34.Na3 Qa3 35.Rd2 Rd2 36.Qd2 b1Q 37.Kh2 Qab2 38.Qd8 Kh7-+) 0–1. petrobbo (2020) – jero21000 (2310), ChessWorld.net, 2010.

8.Bb5 Qb6 9.c4 dc4 10.Bc4 Na5 11.Be2 Rd8 =+.

8.c3 Ba5 9.0-0 Re8 10.d3 Bc7 11.Nbd2 Bg4 12.Re1 Qd6 13.Nf1 Rad8 14.Qa4 b5 Black prepares c4 15.Qc2 (15.Qb5 Rb8 Decoy) 15...c4 16.a4 a6 (16...cd3 17.Qd3 ba4 18.Ra4=+) 17.Ba3 Qd7 18.Ng3 (18.ab5 ab5 19.Bc5 Qf5=+) 18...h5 (18...Bg3 19.hg3 cd3 20.Bd3 Bf3 21.Bf5=+) 19.Rad1 (19.ab5 ab5 20.Bc5 Bf3 21.Bf3 Bg3 22.hg3 Ne5=) 19...Bf3=+ 20.Bf3 h4 (20...cd3 21.Qd3 Bg3 22.fg3-/+) 21.Nf1 (21.Nh5!? Nh5 22.Bh5=+) 21...cd3 22.Qd3 Ne5 23.Qe2 Qf5 24.ab5 ab5 25.Rd4 (25.Nd2 A) worse 25...Nf3 26.Nf3 Ra8 27.Bc5= (27.Nh4? Qh7-+); B) 25...Ne4 26.Bb4 B1) 26...Nf3?! 27.Nf3 Qh5 28.Nd4+= (worse 28.Qb5 h3 29.Nd4 hg2-+); B2) 26...h3=+) 25...Ne4 (25...Nf3 26.Qf3 Qf3 27.gf3-/+) 26.Bb4=+ Bb6 27.Rdd1 Ng5 Black plans h3 28.Nd2 (28.Bd5!? Rd5 29.Rd5 Nef3 30.Kh1 Qd5 31.Rd1=+) 28...h3-/+ 29.Kf1?? (29.Kh1 Nd3 30.g4 Qg6-+) 29...Re6 (better 29...Ngf3 30.Nf3 hg2 31.Kg2 Qg4 32.Kh1 Nf3-+) 30.g4-/+ Qg6 31.Bd5? (better 31.Bh1-/+) 31...Rd5-+ 32.f4 Rd2! (32...Rd2 33.Rd2 Qe4-+) 0-1. Mehlhorn,Uwe (2155) - Schmaltz,Roland (2470), Erfurt MT op, 2017.

8.c4 d4 9.Qc2 Bg4 10.0-0 Re8 (10...Ne5 11.Qd1 Bf3 12.gf3+=) 11.Kh1 (11.a3!? Ba5 12.h3+=) 11...Ne5-/+ 12.ed4 Nf3 13.Bf3 Bf3 14.gf3 cd4 15.Qf5 Qd6 16.d3 Rad8 17.Rg1 Re2 18.Bc1 Rf2 19.Bf4? (19.Rg2 Rg2 20.Kg2-+) 19...Qc6 20.Nd2 Bd2 (20...Rd2?! 21.Bg5 Kh8 22.Rab1-+) 21.Bd2 Rd2 22.Rg7 (22.Rg3 Re2-+) 22...Kg7 23.Qg5 Kh8 24.Qd2 Qf3 25.Qg2 Qd3 26.Qg5 (26.Rf1 Ng4! 27.Rg1 Rg8-+) 26...Qe4 27.Qg2 Rg8 28.Qe4 Ne4 29.h4 Rd8 30.Kg2 d3 0–1. Rajala,Olavi (1860) – Kuosa,Nuutti, Serveri, 2007.

8.h3 Re8 9.0-0 Ba5 10.Nc3 a6 11.Na4 c4 12.Nd4 Bd7 13.Nc5 Nd4 14.Bd4 Bc6 15.c3. Trokenheim,Marek (1790) – Pandey,Manoj (2000), FICGS, 2017.

8.h3 Bf5 9.0-0 Re8 10.Bb5 a6 11.Bc6 bc6 12.d3 Rb8 13.Be5 Rb7 14.Nbd2 Nd7 15.Bf4 Bc3 16.Rb1 Rb1 17.Nb1 Bf6 18.c4 Qa5 19.a3 h6 20.Nfd2 Qd8 21.Qc2 Nf8 22.Rd1 Ne6 23.Bg3 Bg6 24.Nf3 dc4 25.Qc4 Qd5 26.Bh4 Bb2 27.Bg3 Rd8 28.Qc2 Bf6 29.Nc3 Bc3 30.Qc3 f6 31.Kh2 Bh5 32.Rc1 Qd3 33.Qc4 Kf7 34.Qa2 Bf3-/+ 35.gf3 Qd5 36.Qe2 a5 37.f4 Qe4 38.Rg1 Rd3 39.Qb2 Qd5 40.Qb7 Qd7 41.Qd7 Rd7 42.f5 Ng5 43.Rc1 Rd5 44.Kg2 Rf5 45.Rc4 Rd5 46.Bc7 Rd7 47.Bb6 Rb7 48.Ba5 Ra7 49.Bb6 Ra3 50.f4 Ra6 51.fg5 Rb6 52.gh6 g5 53.Rc5 ½–½. Woelfelschneider,Peter – Kuta, VCC6.090, 2001.

8.h3 Bf5 9.a3 Ba5 10.0-0 Re8 11.c4 Qe7 =+.

9.c4 d4 10.ed4 cd4 11.d3 Qb6 12.Bc1 Re8 13.Bg5 Nd7 14.Na3 h6 (14...Qc5 15.Nc2=+) 15.Bd2 Nc5 16.Nc2 Bd2 17.Qd2 Qd8 18.Rfe1 Qf6 19.Rab1 b6 20.a3 Na4 (20...Bb7 21.Rb5=+) 21.Bf1 (21.Nb4!? Nb4 22.ab4=) 21...Bg4-/+ 22.Re8 Re8 23.Re1 Re1 24.Nfe1 Nc3 25.g3 Qd6 (25...Na5 26.Ng2-/+) 26.Bg2=+ Na5 27.Nf3 Nb3 28.Qe1 Kf8 29.h3 Bf3 30.Bf3 Qe6 31.Bg2 Qe1 32.Ne1 Ke7 33.f4 Kd6 34.Nc2 Kc5 35.Kf2 Nc1 36.Bf1 Nd1 37.Kf3 h5 38.f5 f6 39.Be2 Nc3 40.Bf1 a6 41.h4 a5 42.Kf2 Nd1 43.Kf3 a4 44.Nb4 Nc3 45.Kf2 (45.Nc2 b5 46.cb5 Nb5-/+) 45...Nb1 (45...b5-/+) 46.Na6?? (better 46.Nc2=) 46...Kd6-+ 47.Ke1 Na3 48.Kd1 Nb3 0-1. marekt – KnightOfTheNite, ChessWorld.net, 2022.

9.c4 d4 10.ed4 cd4 11.d3 Bc7 12.Nbd2 Bg4 13.h3 Bh5 14.Nb3 The pressure on the isolated pawn grows 14...Qd6 (14...Bf3 15.Bf3 Qd6 16.g3+=) 15.c5+= (15.Nbd4?? Nd4 16.g3 Ne2 17.Qe2 Rfe8-+) 15...Qd5 (15...Qf4 16.g3 (16.Nbd4? Nd4 17.Bd4 Bf3-+) 16...Qf5 17.Nbd4 Nd4 18.Nd4 Qh3 19.Bh5 Bg3 20.fg3 Qg3 21.Kh1 Qh3 22.Kg1 Qg3 23.Kh1 Qh3 24.Kg1 Qg3=) 16.Nfd4 Be2 17.Qe2 Ne5 (17...Rfe8 18.Qd2 Nd4 19.Bd4+=) 18.Nb5 Bb8 19.Rfe1 (better 19.f4 Qd3 20.Qd3 Nd3 21.Bf6 gf6 22.Rad1 Nf4 23.Rd7+/-) 19...Nc6? (better 19...Nd3 20.Rad1 Nf4+=) 20.Bf6+- gf6 21.Nc3 Qg5 22.Ne4 (22.d4 Rd8+-) 22...Qg6 (22...Qg7 23.Qg4+-) 23.Qf3 (23.Rad1!? f5 24.Nc3 b6+-) 23...Be5 24.Rad1 Rad8 25.g3 (25.Ng3 Bg3 26.Qg3 Qg3 27.fg3 Rd5+-) 25...Nd4 (25...f5 26.Ned2+/-) 26.Nd4+- Rd4 27.Kg2 Rfd8 28.h4 h5 29.Re2 Kg7 30.Re3 Qg4 (30...R4d7 31.Ree1+/-) 31.Rb1 Qf3 32.Rf3 R8d7 33.Rb3 a5 (33...Kg6 34.Ra3+-) 34.Kf1 (better 34.Rb6!?+-) 34...a4+/- 35.Rb5 a3 (better 35...Rd3!? 36.Rd3 Rd3 37.Rb7 Rd4+/-) 36.Rb3+- Ra4 (36...R4d5 37.Ra3 Kg6 38.Rb3+-) 37.Ke2 (37.c6 bc6 38.Nc5 Rdd4 39.Na4 Ra4+-) 37...Bb2 (37...Ra6 38.Rb5+-) 38.Rf5 (38.Nd6 Kg6+-) 38...Kg6 39.Rf4 (better 39.g4 hg4 40.Rf4+-) 39...Rad4?? (39...Rc7 40.g4 Rc5 41.gh5 (41.Nc5?! Rf4 42.gh5 Kh5+/-) 41...Rh5 42.Rb6+-) 40.Rf3 (40.Rf6 Kg7 41.Rf5 Re7+-) 40...f5?? (40...R4d5 41.Rb6 Kg7 42.c6 bc6 43.Rc6+-) 41.Nd2 (better 41.Rb6 Kg7 42.Rf5 Rd3 43.Rg5 Kf8 44.Rb7 Rb7 45.Kd3+-) 41...R4d5 42.Nc4 (42.Rb6 f6 43.Nb3 Bc3+-) 42...Re7 (42...Rc5 43.Na3 Bd4 44.Nc4+/-) 43.Kd1 (43.Re3 Rc7+-) 43...f6 (43...Bd4 44.Na3 Bc5 45.Nc4+-) 44.Nb2 Rdd7?? (better 44...ab2 45.Rb2 Rc5+-) 45.Nc4 1-0. Mendonca,Leon Luke (2470) - Muromtsev,A (2160), Titled Tue, 2020.

9.d3 d4 10.Nbd2 de3 (10...Re8 11.Nc4=+) 11.fe3= Bc7 (11...Nd5 12.Nc4=) 12.e4 (12.Nb3 Re8 13.e4 c4=+) 12...Ng4=+ 13.Nc4 (13.Qb1!?=+) 13...b5-/+ 14.h3 bc4 15.hg4 cd3 (15...Bg4 16.Rb1-/+) 16.cd3 (16.Qd3 Bg4 17.Qd5 Bf3 18.Rf3 Rb8-/+) 16...Bg4 17.Qd2 Bf3 18.Rf3 (18.Bf3 Qh4 19.Rfb1 Rad8-+) 18...Be5 (18...Nd4 19.Rh3-+) 19.Rc1 (19.Be5 Ne5 20.Rf2 Qd4-+) 19...Bb2 (19...Nd4 20.Bd4 Bd4 21.Kh2-+) 20.Qb2 Qd4 (20...Rb8 21.Qc3-/+) 21.Qd4-/+ Nd4 (21...cd4? 22.Rc6 Rfc8 23.Rc4 Rc4 24.dc4+-) 22.Rf2 Rfc8 23.Bg4 Rc6 24.Rb2 g6 25.Kf2 h5 26.Bd1 Rb6 27.Rd2 (27.Bb3 Rb5-/+) 27...Rc8 28.Ke3 Kg7 29.Ba4 Rc7 30.Rc4 a5 31.Rf2 Rb4 32.Rb4 (32.Bb3!?-/+) 32...ab4-+ 33.Rb2 (33.Bb3 f5-+) 33...Ra7 34.Bd1 (34.Bb3 g5-+ (worse 34...Nb3 35.ab3 h4 36.Rc2-/+)) 34...Kf6 35.Kf4 Ra3 (35...g5 36.Kg3 Kg6 37.Kf2-+) 36.Ke3 (36.Bb3 Ke7-+) 36...Ke5 37.Rf2?? (37.Bb3 f5 38.ef5 Nf5 39.Kd2-+) 37...f6 (better 37...c4!? 38.Rd2-+) 38.g3 (38.Bb3 Nb3 39.ab3 Rb3-+) 38…c4 (38...c4 39.Rd2 h4 40.gh4 f5 41.ef5 gf5-+) 0-1. Osmak,Iulija (2415) - Muzychuk,A (2535), Women's Speed Chess Main, 2021.

9.d3 d4 10.e4 Bc7 11.Nbd2 b5 12.a4 (12.c3 dc3 13.Bc3 Ng4=) 12...b4=+ 13.Nc4 Re8 14.g3 Be6 15.Nfd2 Bc4 (15...Qe7!?-/+) 16.Nc4= Na5 17.Na5 Ba5 18.f4 Rb8 19.Bc1 Qd7 20.Bf3 Qe6 Black plans b3 21.Bd2 Bc7 22.Qe2 b3 (22...a5 23.Rfe1=) 23.cb3= Rb3 24.Rac1 Qe7 (24...Nd7 25.Bg4 f5 26.Bh3=) 25.e5+= Nd7 26.Bd5 Rb2 27.Qd1 Nb6 28.Bb3 Qd7? The isolani on a4 becomes a target (better 28...Rb8=) 29.a5+/- Nd5 30.Rc5 (30.Ba4!? Qh3 31.Be8+/-) 30...Ne3 31.Be3 de3 32.Rd5 (better 32.Re1 e2 33.Re2 Rb3 34.Rc7 Qd4 35.Rf2 Rd3 36.Qc2+=) 32...Qh3 33.Bc2 h5?? (33...Ba5 34.d4 Rc8-+) 34.Qe2 (34.d4 h4 35.Qe2 hg3 36.Bh7 Qh7 37.Qb2 Qd3+=) 34...h4 (34...Ba5 35.Ra5 Rc8 36.Rc1 (36.Ra7 Rcc2 37.Re1 Re2 38.Ra8 Kh7 39.Rh8 Kh8 40.Re2 Rb1 41.Re1 Re1; 36.Qe3?? Rcc2 37.Qf2 Rf2 38.Rf2 Rb1 39.Rf1 Qf1) 36...Rcc2 37.Qc2 Rc2 38.Rc2=+) 35.Rf3 (35.d4 hg3 36.Bh7 Qh7 37.Qb2 Qe4+/-) 35...Reb8 (better 35...Ba5 36.d4 Bd2=+) 36.gh4?? (better 36.d4+=) 36...Qg4-+ (36...Qh4 37.Rf1 Ra2 38.d4+/-) 37.Kh1 Rb1! 38.Bb1 Rb1 39.Qf1 (39.Rf1 Qe2 40.Rb1 Qf3 41.Kg1 Qf2 42.Kh1 e2-+) 39...Rf1 (39...Qf3! 40.Kg1 Qf1) 40.Rf1-+ e2 41.Re1 Qf3 (41...Qf3 42.Kg1 Qd5 43.Re2 Ba5-+) 0-1. Osmak,Iulija (2415) - Muzychuk,A (2535), Women's Speed Chess Main, 2021.

9.d3 d4 10.e4 Be6 11.Nbd2 b5 12.Nb3 Bb6 13.a4 a6 14.Ng5 Bd7 15.ab5 ab5 16.c3 h6 17.Nf3 dc3 (17...Be6 18.cd4 Ra1 19.Ba1 cd4 20.Qb1=) 18.Ra8 Qa8 19.Bc3 Qa2 20.Nfd2 (20.Bf6 gf6 21.Nc1 Qb2=) 20...Be6 (20...Nd4 21.Bd4 cd4 22.Nf3=+) 21.Bf6 gf6 22.d4 cd4 23.Bb5 Ne5 24.Nc1 (24.f4 Ng4 25.Qf3 d3 26.Kh1 h5 27.Qd3 Rd8=+) 24...Qb2= 25.Be2 (25.Ba6 Ra8 26.Be2 Ra1=+) 25...Ra8 26.Nd3 Qc3 27.Nb1 (27.Nf3 Bc7 28.Nde1 Rd8=+) 27...Qc8 (27...Qb3 28.f4 Qd1 29.Rd1=+) 28.Nd2 Qc3 29.Nb1 Qc6 30.Nd2 1-0. kvb47 (2445) - kylion (2200), gameknot.com, 2022.

9.d3 Qd6 10.Nbd2 Bc7 11.c4 Bg4 12.Bf6 Qf6 13.cd5 Nb4 14.e4 Rfe8 15.a3 Na6 16.Qb3 Rab8 17.Rac1 Qh6 (better 17...Bf4 18.Rc2 b5+=) 18.Rfd1?? (18.h3 Bf4 19.hg4 Bd2 20.Nd2 Qd2+=) 18...Kh8?? (better 18...Bh2 19.Kf1 Bf4-/+) 19.h3+/- Bd7 (19...Bf3 20.Nf3 Bf4 21.Rb1+/-) 20.Bf1 (20.d4 cd4 21.Ba6 ba6+/-) 20...Bf4 (20...b5 21.d4 c4 22.Qc3+/-) 21.Rc2 (21.d4 cd4 22.Qb2 Qg6+/-) 21...f5 (21...b5!?+=) 22.Re1+/- b5 23.e5 g5 (23...Kg8 24.g3 Bd2 25.Nd2+-) 24.e6 Bc8 25.g3 Bd6 26.d4 (26.Ne5 Be5 27.Re5 Qf6+-) 26...c4+/- 27.Qe3 (27.Qc3!? Kg8 28.Ne5 Qf8+-) 27...f4 28.Qe4 (28.Qc3!? fg3 29.Ne4 gf2 30.Rf2+/-) 28...fg3= 29.Ne5 (29.fg3 Bg3 30.Ne5 Rb7+=) 29...gf2 30.Kf2 Qf6 (30...Kg7 31.Kg1 Rf8 32.Nc6+/-) 31.Ndf3 (31.Qf3 Qf3 32.Ndf3 Ba3+=) 31...Kg7 (31...Ba3 32.Nf7 Kg8 33.Re3=) 32.Kg2 (32.Kg1 h6 33.Rf2 Rf8+/-) 32...Bb7 (better 32...Nc7 33.Nc6 Ne6 34.de6 Be6=) 33.Ng4?? (better 33.Nd7 Qe7 34.Nb8 Rb8 35.Kg1+/-) 33...Qf4-+ 34.Qf4 Bf4 (better 34...gf4!? 35.a4 Nb4-+) 35.a4-/+ Bd5 36.ab5 Rb5 (36...Nb4!? 37.Rc4 Rb5-/+) 37.Bc4= Bc4 38.Rc4 Rb2 39.Nf2 (better 39.Kf1!? Nc7 40.Ng5=) 39...Nb4-/+ 40.d5 (better 40.Rb4 Rb4 41.d5-/+) 40...Rf2?? (better 40...Nd3! 41.Rf1 Be3 42.Ng5 Bf2-+) 41.Kf2+/- Nd3 42.Kf1 Ne1 43.Ke1 Bd6? (43...Kf6 44.Ke2+=) 44.Rc6 (better 44.Ng5 Kf6 45.Nf7+- (45.Nh7?! Kg6+/-)) 44...Rd8+= 45.Ke2 Kf6? (better 45...Be7!? 46.Rc7 Kf6=) 46.Kd3 (46.Ng5 Bb4 47.Ne4 Kf5+-) 46...Ke7? (better 46...Bb8!? 47.Ke4 Rg8+/-) 47.Kd4 (47.Ng5 Rg8 48.Ne4 Be5+-) 47...Bf4 48.Ke4 Rb8 49.Nd4 Rb4 0-1. bjoernsen (2330) - SaylorMoon (2230), Rated Blitz game, lichess.org, 2016.

9.d3 Re8 10.Nbd2 Bc7 11.c4 d4 12.ed4 cd4 13.Re1 Bf5 14.Bf1 (better 14.Nb3!?+=) 14...Re1-/+ 15.Ne1 Qd6 16.g3 Re8 17.Ng2 (17.Nef3 h6-/+) 17...Ng4 (17...Ba5!?-/+) 18.Nh4=+ Bc8 19.Ne4 Qe7 20.h3 (20.Bh3 h5 21.Nf3 Bf5=+) 20...Nge5-/+ 21.Bg2? (21.Nf3 f5 22.Ned2 f4 23.gf4 Ng6-+) 21...f5 22.f4? (22.Nd2!? Nd3 23.Bc6 bc6 24.Bd4-+) 22...Nd3 (22...fe4 23.Be4 g5 24.Qh5 gh4 25.fe5 Ne5 26.Bh7 Kg7 27.Bd4 Bh3 28.Qg6 Kh8 29.Qh5-+) 23.Qd3? (better 23.Nf6 Qf6 24.Qd3 Bf4 25.gf4 Qh4 26.Rf1-+) 23...fe4 24.Qb3 Qc5 (24...Bf4 25.Ng6 hg6 26.gf4-+) 25.Ba3 Qa5 26.c5 Be6 27.Qb2 Bd5 (27...Bd7!? 28.Qb3 Kf8 29.Kh2-+) 28.Nf5 Qc3 (better 28...b5!? 29.Rd1 Qa4 30.Rd4 Nd4 31.Nd4 Bd8-+) 29.Qc3 dc3 30.Rc1 Ba2 (30...Ba5!?-/+) 31.Rc3=+ g6 (better 31...Bd5=+) 32.Ne3?? (32.Nd6 Re7 A) worse 33.Be4 Bd6 34.Bc6 Bf4 (34...bc6?! 35.cd6 Rb7 36.Rc6+=) 35.gf4 bc6-/+; B) 33.Re3=) 32...Ba5 (32...Nd4 33.Bf1-+) 33.Rc2-/+ Bf7 (better 33...Be6!?-/+) 34.Ng4= Rd8 35.Bb2 (35.Rb2 e3 36.Nh6 Kf8 37.Nf7 Rd1 38.Kh2 Kf7 39.Rb7 Kg8-/+) 35...h5 (35...Bb3 36.Re2=+) 36.Nf6 Kf8 37.Ne4 Nd4 38.Bd4 Rd4 39.Nd6 Bd5 (39...h4!?=) 40.Bd5+/- Rd5 41.Nb7 Bc7 42.Kg2 (42.c6 h4+/-) 42...Ke7 43.Kf3 (43.c6!?+/-) 43...Rd3= 44.Kf2 h4 45.gh4 Rh3 46.Ra2?? (better 46.Rc4=) 46...Rh2-+ 47.Kf3 (47.Ke3 Ra2 48.Kd4 Ke6-+) 47...Ra2 48.Ke4 (48.Kg4 Rf2-+) 48...Ke6 49.h5 (49.Kf3 Rb2 50.Nd6 Bd6 51.cd6 a5-+) 49...gh5 50.f5 (50.Kf3 Ra3 51.Kf2 Bf4-+) 50...Kf6 51.Kd5 h4 52.Kc6 Be5 53.Nd8 Kf5 54.Kd5 Rd2 (54...Rd2 55.Kc4 Rd8 56.Kb4 h3 57.c6 h2 58.c7 Bc7 59.Kc3 h1Q 60.Kb2 Be5 61.Kb3 Qe4 62.Ka3 Rb8 63.Ka2 Qa4) 0-1. bjoernsen (2325) - Kiselicki (2390), Rated Blitz game, lichess.org, 2016.

9.d3 Re8 10.Nbd2 d4 11.e4 Bc7 12.a4 Ng4 13.c3 Qd6 (13...dc3 14.Bc3 Bf4 15.Qc2=+) 14.h3 (14.Nc4 Qf4 15.cd4 Nd4 16.Bd4 cd4=+) 14...Nh2 15.Re1 Nf3 16.Nf3 Qg6 17.Kh1 dc3 18.Bc3 b6 19.Qc2 Bb7 (19...Bd7 20.a5=+) 20.Qb2 f6 (20...Rab8 21.Kg1=+) 21.Bf1 (21.a5 Rad8=) 21...Rad8 22.Rad1 (22.a5 Bc8=+) 22...Ne5 The backward pawn on d3 becomes a target 23.Ne5 Be5 24.Be5 fe5 25.Re3 (25.a5 Rd4=+) 25...Rd4-/+ 26.Rg3 Qh5 (26...Qd6 27.Rb1-/+) 27.Ra1=+ Qf7 28.a5 Rb4 29.Qc3 (better 29.Qc2!?=+) 29...Qf2-+ 30.Rf3 Qd4 31.Qc1 b5 Black plans c4 32.Ra3 a6 33.Rc3 c4! 34.dc4 (34.Qg5 h6 35.Qg6=) 34...Be4-+ (34...Qe4?! 35.cb5 Rb1 36.Qg5=+) 35.Rg3? (35.cb5 Bf3 36.Rf3 e4-+) 35...Rf8 (better 35...Rb1!? 36.cb5 Rc1 37.Rc1 ab5 38.Bb5-+) 36.cb5? (36.Bd3 Bd3 37.Rgd3 Qe4-+) 36...ab5 (better 36...Rb1 37.Bc4 Kh8 38.Qb1 Bb1 39.ba6 Be4-+) 37.Rc7 Rb1?? (better 37...g6 38.Rc8 Qf2 39.Rf8 Qf8-/+) 38.Rgg7+= Kh8 39.Rh7 Bh7 40.Rh7 Kh7 41.Qb1 e4 (41...Kg7 42.Bb5 Rb8 43.Qd3+=) 42.Qb5 Qf6 (42...Qa1 43.Kg1+=) 43.Qh5 Kg8 (43...Kg7!? 44.Bc4 Qf4+=) 44.Bc4+/- Kg7 45.Qg4 Qg6 46.Qd7 Kh6 47.Qd2 (47.Qd4 Re8+/-) 47...Qg5 48.Qd6 Rf6 (48...Rf6 49.Qd4 Qc1 50.Kh2 Qf4 51.g3 Qf2 52.Qf2 Rf2 53.Kg1 Rc2-/+) 0-1. bjoernsen (2335) - TossIMBA (2415), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Re8 11.Rb1 b6 12.Re1 Bb7 13.Bf6 Qf6 (worse 13...gf6 14.d4 c4 15.c3+=) 14.c4 dc4 15.Nc4 Rad8 16.Qa4 Bb8 17.a3 Ne7 18.Qc2 Nf5 19.Red1 Nh4 20.Ncd2 Qh6 21.Nh4 Qh4 22.g3 Qf6 23.Bf1 (23.Ne4 Qf5=+) 23...Qc6-/+ 24.e4 Re7 25.Nc4 Red7 26.Ne3 Qf6 27.Re1 (27.Bh3 Re7=+) 27...Qg5 (better 27...Bc6-/+) 28.Bh3? (better 28.a4!?=+) 28...Rd3-+ 29.Nd5 Rd4 (29...Rd2 30.Qa4-+) 30.f4 Qh6 31.Bg2 Qd6 (31...Bd6 32.Ne3 Bc8 33.Red1-/+) 32.Qe2 (32.Rbd1 Qe6-/+) 32...c4 33.Qg4 (33.Qf2 Qc5-/+ (33...Bd5?! 34.Qd4 Be6 35.Qe3=)) 33...Bc8 (33...Qa3 34.Qg5 Qf8 35.Red1-+) 34.Qf3 (34.Qh4 f6-/+) 34...Qc5-+ 35.Kh1 Bb7 36.Qc3 (36.Rbd1 Bd5 37.Rd4 Qd4 38.ed5 Bd6-/+) 36...Rd3 37.Qc1 Qd4 (37...Ra3!? 38.Ne3-+) 38.Rb4-/+ Ba6?? (better 38...Bd5 39.ed5 Rc3-/+) 39.Ne7+= Kf8 40.Nf5?? (better 40.Nc6 Rd1 41.Nd4 Rc1 42.Rc1 Rd4 43.e5+=) 40...Qc3 41.Qb1 (41.Bf1!? Qc1 42.Rc1 Ra3 43.Bc4 Bb7-+) 41...Qe1! 42.Qe1 Rd1 43.Rb1 Re1 44.Re1 c3 45.Ne3 Rd2 46.Rc1 Rd3 (better 46...g5 47.fg5 Be5-+) 47.Nd5?? (better 47.Nc2!?-/+) 47...Bd6 (better 47...c2 48.Rc2 Rd1 49.Bf1 Rf1 50.Kg2 Ra1-+) 48.h4 (48.Bf1 Rd5! 49.ed5 Bf1 50.Rf1 Ba3-+) 48...Ba3 (48...Rg3 49.Kh2 Rd3 50.e5 Ba3 51.Rc3-+) 49.Rc3 Rc3 50.Nc3 Bc5 51.e5 Bc4 52.Be4 (52.Bc6 f6 53.ef6 gf6-+) 52...a5 53.Kg2 b5 54.Bc6 (54.Bb1 Bd4 55.Ne4 a4-+) 54...b4 55.Na4 (55.Nb1 b3 56.Nd2 b2-+) 55...Bd4 56.Kf3 b3 57.Be4 (57.g4-+) 57…Bb5 0-1. bjoernsen (2315) - teloche (2370), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Re8 11.Rb1 b6 12.Re1 h6 13.c4 Bf5 (13...dc4 14.Nc4 Nd5 15.a3=) 14.Bf6 (14.cd5!? Ne5 15.e4+/-) 14...Qf6+= 15.cd5 Nb4 16.e4 Bg6 (16...Na2 17.Rb3 (worse 17.ef5 Nc3 18.Qc2 Re2-/+) 17...Bd7 18.Qc2+=) 17.Qa4 a6 (17...Bf4 18.Qb3+/-) 18.a3 (18.Qb3!? a5 19.a3+-) 18...Na2+/- 19.Qd7 (19.Qc2!? Nc3 20.Rb3 Ne2 21.Re2+/-) 19...Re7+= 20.Qg4 Rae8 (20...Nc3 21.Rb3+=) 21.Bf1 (21.Nc4!? b5 22.e5 Be5 23.Nce5=) 21...Nc3= 22.Rbc1 (22.Ra1 b5=) 22...Nb5 (22...h5 23.Qh3 Nb5 24.a4+/-) 23.a4 Nd4 (23...Nc3 24.a5 b5 25.Nb3+=) 24.a5 b5 25.Rc5 Nf3? (better 25...Ba5!? 26.Rec1 Bd2 27.Nd2 Rd8+/-) 26.Nf3+- (worse 26.gf3 Bh2 27.Kh1 h5=+; worse 26.Qf3 Bh2 27.Kh2 Qd6 28.Qg3 Qc5-+) 26...Ba5 27.Rec1 Qb2 28.R5c2 Qb4 29.Rc6 Ra8 (29...Qb2 30.d6 Rb7 31.Rc8+-) 30.Rc8 Re8 31.Re8 Re8 32.Qd7 (32.Rc6 Ra8+-) 32...Rf8 (better 32...Rd8 33.Qa7 Bh5+-) 33.Ne5?? (33.Rc6 Qb2+-) 33...Qd2?? (better 33...Qb2 34.Rc6 Be1-/+) 34.Rc6 (34.Rc8 Bb4 35.Rf8 Bf8+-) 34...Bc3 35.Ng6?? (better 35.Rc8 Rc8 36.Qc8 Kh7 37.Nf3+- (37.Ng6?! fg6 38.Qe6 Bd4+=)) 35...fg6= 36.Rg6?? (36.Qa7 Qb2 37.Rc3 Qc3 38.Qe3=+) 36...Qf2 37.Kh1 Qf1 0-1. bjoernsen (2270) - ADDRESP (2385), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Re8 11.c4 d4 12.ed4 cd4 13.Nb3 Bg4 14.Re1 Qd6 (14...Bf3 15.Bf3 Re1 16.Qe1=) 15.c5+= Qf4 16.g3 Qh6 17.Nfd4 (worse 17.Nbd4 Ba5 18.Nc6 bc6=+) 17...Re2 18.Re2 Ne5 (better 18...Be2!? 19.Qe2 Re8+/-) 19.Qd2+- Qh5 20.Re3 Nd5 21.f4 (21.Re4!?+-) 21...Ne3+= 22.Qe3 Ng6 (22...Nf3!? 23.Nf3 Bf3+/-) 23.Nb5 Bd8 24.Qe8 Nf8 25.Qe5 Bf6? (better 25...Qg6 26.Qd5 Qe6 27.Qe6 Ne6+/-) 26.Qh5+- Bh5 27.Bf6 gf6 28.Nd6 Ne6 (28...Rd8 29.Re1+-) 29.Kf2 (29.Nb7!? Bf3 30.Nd6 Bd5+-) 29...Rd8 30.h3 (30.Rc1 Bg4 31.d4 b6+-) 30...Nc5 (30...b6 31.f5 Nc5 32.Nc5 bc5 33.Ne4+-) 31.Nc5 Rd6 32.g4 (32.Ne4 Rc6 33.f5 h6+-) 32...Rd5? (32...Bg6 33.f5 b6 34.Ne4 (34.fg6?! bc5 35.gh7 Kh7+=) 34...Rd3 35.fg6 hg6 36.Nf6 Kg7 37.g5+-) 33.Rc1 (better 33.Ne4!? Kg7 34.gh5 Rd3 35.Rg1 Kf8 36.Nf6 h6+-) 33...b6 (33...Bg6 34.f5 b6 35.Ne4 (35.fg6?! bc5 36.gh7 Kh7=) 35...Rd3 36.fg6 (worse 36.Nf6 Kg7 37.Ne8 Kf8 38.fg6 hg6+-) 36...hg6 37.Nf6 Kf8 38.Rc8 Ke7 39.Ng8 Kd7 40.Rf8+-) 34.Ne4 (34.Ne4 Kg7 35.gh5 Rd3 36.Rg1 Kf8 37.Rg3+-; 34.gh5?! bc5 35.h6 Kf8=) 1-0. bjoernsen (2365) - lizonfrancis (2285), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Re8 11.c4 d4 12.e4 Qd6 13.g3 h5 14.Ng5 Ng4 15.Bg4? (15.Nb3 Bd7=+) 15...Bg4 (better 15...hg4!? 16.f4 Qg6-+) 16.f3-/+ Qg6 17.Nf7?? (better 17.fg4 Qg5 18.Nb3 hg4 19.Rf5 Qe3 20.Kf1-/+) 17...Bh3-+ 18.f4 Bf1 (worse 18...Kf7 19.Rf2-+; worse 18...Qf7 19.Rf2-+) 19.Nf1 (19.Qf1 Qf7 20.Rb1 h4-+) 19...Qf7 20.e5 (20.Nd2 Qg6 21.f5 Qg4-+) 20...Be5! 21.fe5 Ne5 22.Bc1 (22.a4 Rf8 23.Qe2 Nd3 24.Bd4 cd4-+) 22...Qf5 (better 22...Nf3 23.Kg2 Re1 24.Qf3 Qf3 25.Kf3 Rf8 26.Kg2 Rff1 27.Rb1-+) 23.Bf4 Nd3 24.Qc2 Rf8 25.Bd6 (25.Qg2 Rf7 26.Nd2 Nf4 27.gf4 Qf4-+) 25...Rf6 26.Be7 (26.h3 Rd6 27.Rd1 Rf6 28.Qd3 Qf2 29.Kh1 Re8-+) 26...Rf7 27.Bd6 (27.Bg5 Raf8 28.Qe2 Qg6-+) 27…Rd8 (27...Rd8 28.Bc5 Nc5 29.Qf5 Rf5-+) 0-1. bjoernsen (2290) - Drevniak (2355), Rated Blitz game, lichess.org, 2015.

10.Nbd2 Re8 11.c4 Bg4 12.Bf6 Qf6 13.cd5+/- Nb4 14.e4 Qh6 15.g3 f5 16.a3 Nd3? (better 16...Na6+-) 17.Bd3 fe4?! (17...Bf3 18.Nf3 fe4+-) 18.Be4 Qh5 19.Qc2 Re4 20.Qe4 (20.Ne4?! Bf3 21.d6 Kh8+-) 20...Re8 21.Qd3 c4 (21...Rf8 22.d6 Ba5+-) 22.Qc4 (22.Qc4 Bd6 23.Rfe1+-) 1-0. bjoernsen (2270) - Cofi7 (2380), Rated Blitz game, lichess.org, 2015.

9.d3 Qe7 10.Nbd2 Ba5 11.c4 dc4 12.Nc4 Bc7 13.Qb3 b6 14.Rad1 Rad8 15.a4 (15.d4 Ne4=) 15...Be6 16.Qc3 (16.d4 Ne4=) 16...Bc4 (16...Rfe8!?=+) 17.Qc4= Na5 18.Qh4 Nc6 (18...Nd5 19.Qe7 Ne7 20.d4+=) 19.h3 (19.Bf6!? Qf6 20.Qf6 gf6 21.d4+/-) 19...Ne5+= 20.Rfe1 Ng6 (20...Rfe8!?=) 21.Bf6+/- Qf6 22.Qf6 gf6 23.d4 Bd6 24.Bb5 Ne7 25.Rd2 Nf5 26.Red1 cd4 27.Nd4 (27.e4 Ng7 28.Rd4 Bc7+/-) 27...Nd4 28.Rd4 Be7 29.Rg4 (29.Rd7 a5+-) 29...Kh8+/- 30.Rc1 (30.Bd3 Bc5+/-) 30...f5 31.Rf4 Bd6 (31...Ba3 32.Rb1+/-) 32.Rf5 Kg7 33.g3 Rc8 34.Rd1 Rcd8 (34...Rfd8 35.Rfd5 Be7 36.Rd7+-) 35.Kg2 Be7 36.Rc1 (36.Bd7 Rg8+-) 36...Rc8+/- 37.Rd1 Rcd8 38.Rd8 (38.Bd7 Rg8+-) 38...Rd8+/- 39.Rf4 Bf6 40.Rg4 Kf8 41.Bc4 (41.Rc4 Be5+/-) 41...Rc8 42.Rf4 1-0. Osmak,Yuliia (2415) - Aliverdieva,Elina (1760), Motiva Online Women Blitz, 2021.

9.d3 h6 10.Nbd2 Ba5 11.c4 Bh7 (11...Be6 12.Nb3 Bb6 13.cd5 Nd5 14.Rc1=) 12.Rb1 (12.Bf6 gf6 13.Qb3 d4 14.Qb7 Qe8+=) 12...Nb4 (12...Ne4 13.cd5 Nd2 14.Nd2 Qd5 15.Nc4=) 13.cd5 (13.Qb3 b6+/-) 13...Nfd5+= 14.Qb3 Nb6 Increases the pressure on d3 (14...b5 15.a3 c4 A) 16.dc4?! Bc2= (16...Bb1? 17.cd5 Nd5 18.Nb1+-); B) 16.Nc4 bc4 17.Qc4 Ne3 18.fe3 Nd3 19.Bd4+/-) 15.e4 (better 15.Qc3!? f6 16.Qc5+/-) 15...Nc6+= 16.Rfc1 Qe7 17.Qb5 Rfd8 (17...Bb4!?+=) 18.Nb3+/- (18.Rc5 a6 19.Qc6 bc6 20.Ra5 Nd5-/+) 18...a6 (better 18...Bb4!? 19.Nc5 f5+/-) 19.Qc5+- Qc5 20.Nc5 (20.Rc5?! Bb4+-) 20...Rab8 21.Ne5 (21.Bc3 Nd7 22.Rb7 Bc3 23.Rd7 Bf6 24.Rd8 Nd8+-) 21...Ne7 (21...Nd4 22.Bd4 Rd4 23.Nb3+-) 22.Bc3 (22.Ba3 Nc6 23.Nc6 bc6 24.Na6 Ra8+-) 22...Bc3 23.Rc3 f6 24.Rb6 fe5 25.Rb7 (25.Bg4 Kh8+-) 25...Rb7 26.Nb7 Rb8 27.Rc7 Nc6 (27...Kf8 28.a3+-) 28.Rc6 Rb7 29.Ra6 Rb1 (29...Rb2 30.Bf1 Kf7 31.a4+-) 30.Bf1 Kf7 31.g3 Bg8 (31...Bg6 32.Ra5+-) 32.Kg2 (32.f4!? ef4 33.gf4 Ke7+-) 32...Ke7 33.Ra7 Kf6 34.a4 Ra1 (34...Rb2 35.Ra6 Ke7 36.Kg1+-) 35.a5 (35.f4 Bb3 36.a5 Bc2+-) 35...Be6 (35...g5 36.Ra6 Kg7 37.Be2+-) 36.Be2 (36.Ra6 Kf7 37.f4 Ra2 38.Kf3 ef4 39.gf4 g6+-) 36...Ra2 37.Kf3 g5 38.Ke3 1-0. Chasin,Nico (2240) - Balakrishnan,Praveen (2520), Titled Tuesday 7th Sept, 2021.

10.Nbd2 Ba5 11.Rb1 Bc7 12.Bf6 Qf6 13.Rb7 Rac8 14.c4= dc4 (14...Bb6!?=) 15.Nc4+= Qh6 (15...Qe7 16.Rb2+=) 16.g3 (16.Qa4 Be6+/-) 16...Red8 17.Qb1 (17.Nh4 Be4+/-) 17...Qf6 18.Rd1 (18.Nh4 Bh3 19.Rc1 Rb8+/-) 18...Bg4 (18...Rb8 A) 19.Rc7 Rb1 20.Rb1 Bd3 21.Bd3 Qf3=+ (21...Rd3?? 22.Rc6 Qd8 23.Rc5+-); B) 19.Qb2 Qe6 20.a3+=) 19.Ncd2 (19.Qb2!? Qb2 20.Rb2+/-) 19...Ne5+= 20.Kg2 c4 21.d4 (worse 21.dc4 Ba5 22.h3 Rd2 23.Ne5 Bf5=+) 21...Nf3 22.Bf3 Bf5 23.Ne4 (23.e4!? c3 24.ef5 cd2 25.Rd2+-) 23...Qg6 (23...Bh3 24.Kh3 Qf3=+) 24.h3 (better 24.h4!?+=) 24...Re8=+ 25.Rc7? (better 25.Rb5 Be4 26.Be4 Qe4 27.Qe4 Re4 28.Rc5=+) 25...Rc7-+ 26.Qb5 Re4 27.Be4 Be4 28.f3 Rc8 (28...Qc6!? 29.Qc6 Bc6 30.d5-+) 29.fe4 Qe4 30.Kf2 Qc2 31.Ke1 c3 (better 31...Qg2 32.Qe5 Qh1 33.Ke2 Qh3-+) 32.Qd3?? (32.Qd7 Rb8 33.Qc6-+) 32...Qa2 (better 32...Qd3 33.Rd3 c2-+) 33.Rc1 c2 (33...Qg2!? 34.Rc3 Qg3 35.Ke2 Qg2 36.Kd1 Qh3 37.Rc8 Qc8 38.d5-+) 34.Kd2 Qa5 35.Ke2 Qc7 (35...Qh5 36.Kd2-/+) 36.e4-/+ g6 37.e5 a5 (37...Qc6 38.Kf2-/+) 38.Kd2 Qb7 39.Rc2 Qg2 40.Kc1 Rc2 (40...Qg1 41.Qd1 Qe3 42.Qd2 Qa3 43.Kd1-+) 41.Qc2=+ Qg1 42.Qd1 Qg3 43.Qa4 Qc3 44.Kd1 Kg7 (better 44...Qh3!? 45.Kd2 Qg2 46.Ke3 Qd5-+) 45.Qd7-/+ Qd3 46.Kc1 Qc4 47.Kd1 (47.Kd2 a4 48.Qd6 Qf1-/+) 47…a4 (47...a4 48.Ke1 Qc3 49.Ke2 a3-+) 0-1. bjoernsen (2350) - ACFKC (2425), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Ba5 11.Rb1 Bc7 12.Bf6 Qf6 13.Rb7 (13.c4 dc4 14.Nc4=+) 13...Qd6 (better 13...Bb6!?-/+) 14.Rb5 a6 15.Rb1 h6 16.Re1 Bg4 17.Nf1 (17.a3 Bf3 18.Nf3 d4+=) 17...Re7 (17...Rab8 18.c4=) 18.Qd2 (18.c4 Be6+=) 18...Rae8 (better 18...Ba5 19.c3 d4=+) 19.Qc3?? (19.c3 Qe6+=) 19...d4?? (better 19...Ba5 20.Qb3 Be1 21.Re1 Rb8-/+) 20.Qa3 de3 21.fe3 Nb4 22.Qb2 Nd5 23.e4 Nf4 (23...Ba5 24.N3d2 Be2 25.Nc4= (worse 25.Re2 Nc3 26.Ree1 Qd4 27.Kh1 Qf2-/+)) 24.Bd1 (24.Ne3 Qg6 25.Kf2 Be6=) 24...Qg6 (24...Rb8 25.Qa1 Rb1 26.Qb1=+) 25.Ng3 Nh3?? (better 25...Rb8 26.Qa1 Rb1 27.Qb1 Qf6=) 26.gh3+- Bf3 (26...Bh3 27.Kh1 Rb8 28.Qa1 Rb1 29.Qb1+-) 27.Bf3 Bg3 28.hg3 Qg3 29.Bg2 Re5 30.Qc1 Rg5 31.Qd2 Qh3 (31...c4+-) 32.Qg5! 1-0. bjoernsen (2215) - zumpili (2380), Rated Blitz game, lichess.org, 2017.

10.Nbd2 Ba5 11.Rc1 Bc7 (11...Nb4 12.Nh4 Be6 13.c3 Na2 14.Rc2=+) 12.c4= Nb4 (12...Qd6 13.Bf6 dc4 14.Rc4 gf6 15.Qc1=) 13.Qb3 dc4 (13...d4 14.e4=) 14.Rc4 (better 14.Nc4 b5 15.Nce5=) 14...Bd3?? (14...Be6 15.Ne4 b5 16.Nc5 A) 16...Bc4 17.dc4 (worse 17.Qb4 a5 18.Qd2 Bd5=+) 17...Rc8 18.Rd1+/-; B) 16...bc4?! 17.Qb4 Rb8 18.Qc3-/+; C) 16...Nd3 17.Ne6 bc4 18.Nd8 cb3 19.Bf6 gf6=+ (worse 19...Rad8 20.Bd8 Rd8 21.ab3+/-)) 15.Bd3+/- Nd3 (15...Qd3? 16.Rb4 Qb3 17.Rb3+- (17.ab3? cb4 18.Bf6 gf6-+)) 16.Bf6 gf6 17.Qb7 (17.Ne4 f5 18.Nc5 Ne5 19.Ne5 Be5 20.Qb7 Rb8+/-) 17...Ne5 (better 17...Rb8!? 18.Qa7 Ra8=) 18.Rc5+/- Bd6 (better 18...Bb6 19.Rb5 Rb8+/-) 19.Rd5?? (19.Rc2 Re7 20.Qa6 Rc7 21.Rc7 Nf3 22.Nf3 Qc7+-) 19...Nf3?? (better 19...Rb8 20.Qa6 Nf3 21.gf3 Bh2 22.Kh2 Qd5 23.Rg1 Kf8=+) 20.Nf3+- Rb8 (20...Qe7 21.Qc6 Red8 22.Rfd1+-) 21.Qc6 (21.Qa7 Bh2 22.Kh2 Qd5-/+) 21...Rb6 22.Qc4 (22.Qa4 Rb4 23.Qd1 Rb6+-) 22...Qe7 (22...Qc8 23.Qd4 Qe6 24.Rd1+/-) 23.Rfd1 Be5 (23...Qe6 24.h3+-) 24.Rd7 (24.Qg4 Kh8 25.Rd7 Qe6 26.Qe6 Ree6+-) 24...Qf8 (24...Qd7 25.Rd7 Rb1 26.Qf1 Rf1 27.Kf1+-) 25.g3 Rb2 (25...Rb4 26.Qa6+-) 26.Ra7 Rc8 (26...Rb4 27.Qd5 Re7+-) 27.Qg4 Kh8 28.Ne5 fe5 29.Qf5 (better 29.Rf7! Qf7 30.Qc8 Kg7+-) 29...f6 (29...Kg8 30.Rf7! Qf7 31.Qc8 Kg7+-) 30.Qh7 1-0. bjoernsen (2395) - norba94 (2355), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Ba5 11.c4 Bc7 12.Bf6 gf6 13.cd5+/- Qd5 14.e4 Qe6 15.Nh4 (better 15.ef5 Qe2 16.Ne4 Re4 17.de4 Qe4 18.Qb1 Qb1 19.Rab1+/-) 15...Bg6 16.Rc1 Rad8 17.g3 (17.f4 f5=+) 17...b6 18.Re1 Nd4 19.Bg4 Qa2 20.Ra1 Qb2 (20...Qc2 21.Ra7 Bb8=+) 21.Ra7 (21.Nc4 Qc2 22.Ra7 Bb8=) 21...Bb8 (better 21...Nb5 22.Nc4 Qc3-/+) 22.Rb7= Qc3 23.Nc4 (23.Rb6 Bc7 24.Nb1 Qa5=+) 23...b5 (better 23...f5 24.Bh3 b5-/+) 24.Ne3= c4 25.dc4 bc4 (25...Be4 26.Rd7 bc4 27.Rd8 Rd8 28.Qc1 Qc1 29.Rc1-/+) 26.Nd5 (26.Rb8 Rb8 27.Nd5 Qd3 28.Nf6 Kg7 29.Ne8 Re8+=) 26...Rd5= 27.Rb8 (better 27.Re3!? Ne2 28.Qe2=) 27...Rb8-/+ 28.ed5 Bd3 (28...Rb1!? 29.Qb1 Bb1 30.Rb1 f5-/+) 29.d6= Rd8 30.d7 f5?? (better 30...Kf8=) 31.Re8+- Kg7 32.Rd8 fg4 (32...Ne6 33.Re8 fg4 34.Qg4 Kh6 35.Re6 fe6 36.Qe6 Kg7 37.Qe7 Kh6 38.Qf8 Kh5 39.g4 Kh4 40.d8Q Kg4 41.f3 Kh5 42.Qh4 Kh4 43.Qh6) 33.Rg8!! Kg8 34.d8Q Kg7 35.Qg4 Kh6 36.Qf8 1-0. bjoernsen (2335) - norba94 (2390), Rated Blitz game, lichess.org, 2016.

10.Nbd2 Ba5 11.c4 Bc7 12.Bf6+= Qf6 13.cd5 Nb4 14.e4 Bg4 15.a3 Na6 16.Rb1 b6 (16...Rab8 17.Qc2 Bf4 18.Rfe1+=) 17.Nc4 (17.d4!? Nb8 18.e5+-) 17...Bf3 18.Bf3 (worse 18.gf3 Qf4 19.d6 Re6-/+) 18...Rad8 (18...Bf4 19.g3 Be5 20.Bg4+/-) 19.g3 (19.Qa4!? b5 20.Qb5+-) 19...Nb8 20.Bg2 Nd7 21.f4 Qd4 22.Kh1 Nf6 23.Qf3 (23.Qc2+/-) 23...h5? (23...Bb8 24.Rfc1+-) 24.Rbd1 (24.d6 Bd6 25.e5 Be7 26.ef6 Bf6+-) 24...b5 (24...h4 25.d6 Bd6 26.e5+-) 25.Ne3 (25.d6 Bb6 26.Nb6 ab6+-) 25...g6 26.e5 Ng4 27.Ng4 hg4 28.Qe4 Qc3 (28...Qe4 29.Be4 a5 30.d6 Bd6 31.ed6 Rd6 32.f5+-) 29.Qe2 (29.a4 f5 30.Qe2 ba4+-) 29...Bb6 (29...Qd4 30.Rb1 Rd5 31.Bd5 Qd5 32.Qe4 Qe4 33.de4+-) 30.Qg4 Qa3 31.d6 Qa4? (31...Qa6+-) 32.Bc6 (32.Bd5 Kg7 33.Qg5 Rd7 34.Qf6 Kh6 35.Bf7 Rf7 36.Qf7 b4+-) 32...Rf8? (better 32...Re5!? 33.Bb5 Qd4+/-) 33.Bd5 (better 33.Rb1!? a6 34.Ra1 Qb3+-) 33...Kg7 34.Be4 (34.d4 f5 35.Qe2 Kh7 36.dc5 Bc5+-) 34...Qd4? (34...f5 35.ef6 Rf6 36.f5+=) 35.Rde1 (35.f5 Qe5 36.f6 Qf6 37.Rf6 Kf6 38.Rf1 Kg7+-) 35...Rh8 (35...f5!? 36.ef6 Qf6+/-) 36.Qg5 Rdf8? (better 36...Rh2!? 37.Kh2 Qb2 38.Kh3 Rh8 39.Qh4 Rh4 40.gh4 Qd4+=) 37.Qf6 (37.f5 Rh2 38.Kh2 Rh8 39.Kg2 Qb2 40.Rf2 Rh2 41.Kh2 Qf2 42.Kh3 Bd8 43.Qd8 Kh7+-) 37...Kg8 (37...Kh6 38.Qe7+-) 38.Bg6 Qb2 39.h4 Bd8 (39...Qb3 40.Rb1 Qc3 41.Rfc1+-) 40.Bf7! Rf7 41.Qd8 Kh7 42.Qg5 Rg7 43.Qf5 Kh6 (43...Kg8 44.Qc8 Kh7 45.Qc5 Rg3 46.Qf2 (46.Qa7 Kg8 47.Qa8 Kh7 48.Qe4 Kg7 49.Qb7 Kh6-/+) 46...Qf2 47.Rf2+-) 44.Qf6 (44.g4 Rg6 45.h5 Rhg8 46.g5 Kh7 47.Rf3 Rb8 48.hg6 Kh8 49.Rh3 Kg7 50.Qf7) 44...Kh7 45.Qf5 Kh6 46.Rg1 (better 46.g4 Rb7 47.d7 Rd7 48.Qd7+-) 46...Qf2 47.Qh3 (47.d7 Qf3 48.Kh2 Qf2 49.Kh3 Rhg8+-) 47...Rhg8 (47...Qf3 48.Kh2 Qd3 49.Qf1+-) 48.Qg2 Qd4 49.Qf3 c4 (49...a5 50.g4 Kh7 51.g5+-) 50.dc4 bc4 51.Rd1 Qc5 52.d7 c3 (52...Rd8 53.Rd6 Qd6 54.ed6 Rgd7 55.Qd5+-) 53.d8Q Rd8 54.Rd8 c2 55.Rc1 Qc7 56.Rd6 Kh7 57.Qd3 (57.Qd3 Kh8 58.Rc2 Qd7 59.Rd7 Rf7 60.Rf7 Kg8 61.Qh7) 1-0. Osmak,Iulija (2415) - Kabanov,N (2460), Titled Tuesday, 2021.

8.0-0 Re8 9.Nc3 Qe6 10.Nb5 Ba5 11.c4 a6 =.

8.a3 Ba5 9.0-0 Nc6 10.Nc3 Bf5 11.Rc1 a6 =+.

8.Na3 Qe6 9.Nb5 Na6 10.a3 Ba5 11.0-0 Bd7 =.

8.c3 Ba5 9.0-0 Nc6 10.d4 Bb6 11.Ba3 Ne4 =.

8.Be5 Qe6 9.a3 Ba5 10.0-0 Nc6 11.Bc3 Bc7 =+.

8.Ne5 Re8 9.Nd3 Ba5 10.0-0 Bf5 11.Nc3 Ne4 =+.

8.h3 Nc6 9.0-0 Bf5 10.d4 b6 11.dc5 bc5 =.

8.0-0 Nc6 9.Ne5 Ne5 10.Be5 Nd7 11.Bd6 Re8 =+.

8.a3 Ba5 9.Ne5 Qb6 10.Qc1 Nbd7 11.0-0 Rfe8 =+.

8.Na3 Nc6 9.c3 Ba5 10.0-0 Re8 11.Rb1 Qe7 =+.

8.c3 Ba5 9.0-0 Bc7 10.Na3 Nc6 11.d3 Re8 =+.

8.Ne5 c4 9.0-0 Nbd7 10.Nd7 Nd7 11.f4 Nf6 =.

8.Ng5 Ne4 9.Ne6 fe6 10.0-0 c4 11.a3 Bd6 =+.

7.Bb2 Qe7 8.0-0 Be6 9.Re1 Re8 10.Ne5 Nbd7 11.Nd7 Bd7 =+.

7.Bb2 Qe7 8.a3 Ba5 9.0-0 Be6 10.Ng5 Bf5 11.Nf3 Nc6 =+.

7.Bb2 Qe7 8.c3 Ba5 9.0-0 Nc6 10.d4 Rd8 11.Ba3 Ne4 =.

7.Bb2 Qe7 8.Bc3 Bc3 9.Nc3 Rd8 10.0-0 Ne4 11.Na4 Nc6 =+.

7.Bb2 Qe7 8.Nc3 Be6 9.a3 Ba5 10.Ng5 Bf5 11.0-0 Re8 =+.

7.Bb2 Qe7 8.h3 Nc6 9.0-0 Re8 10.Re1 Be6 11.a3 Ba5 =+.

8.0-0 Nbd7 9.d3 Qe7 10.Nbd2 d4 11.e4 b5 12.a4 ba4 13.Ra4 a5 14.Nc4 Bb7 15.Qa1 (15.Nh4 Be4 16.de4 Qe4=+) 15...Nd5-/+ 16.ed5 Qe2 17.Nd6 Bd5 18.Ne8 Qe8 19.c3 dc3 20.Bc3 Nb6 21.Bg7? (better 21.Bb4 Na4 22.Re1-+) 21...Qa4 22.Qe5 Bf3 23.Qg5 (23.Bh6 Bc3! 24.Qg3 Qg4 25.gf3 Qg3 26.hg3-+) 23…Bd2! (23...Bd2 24.Qg3 Qg4-+) 0-1. Mely (2320) - amjay (2655), ChessWorld.net, 2016.

8.a3 Ba5 9.0-0 Bf5 10.d3 d4 11.e4 Be6 =+.

8.c4 dc4 9.Bc4 Qd6 (9...Be6 10.Be6 Re6 11.a3=+) 10.Ng5 Rf8 11.Qc2 Nbd7 12.Nc3 Nb6 13.Bd3 Kh8 14.Be2 (14.Bh7 Nc4 15.Nge4 Ne4 16.Be4 Re8+=) 14...h6= 15.Nce4 Ne4 16.Ne4 Qg6 17.a3 Bf5 18.ab4 Be4 19.d3 Qg2 (19...Bg2!? 20.Rg1 cb4=+) 20.Rf1= Bc6 21.bc5 Nd7 22.f3 Rae8 (22...Qh2!? 23.e4 f5=+) 23.Bd4 Qh2 24.Ra7 Ra8 25.Ra8 Ra8 26.e4 Qh4 27.Kd2 Ra5? (better is 27...Qf4 28.Be3 Qc7+=) 28.Bg7!+– Kh7 29.Bd4 Ra4 30.Qb3 Qe7 31.Qc3 Ra2 32.Ke1 Qh4 33.Rf2 Kg8 34.Qb4 Ra4 35.Qb2 Bd5 36.Qc3 Be6 37.Be3 Ra2 38.d4 Qh1 39.Rf1 Qh2 40.Bf2 Kh7 41.Bd3 Bh3 42.e5 Kg7 43.Rg1 Kf8 44.Be2 Qf4 45.Bg3 Qf5 46.Bd1 Qg5? 47.Bf2 Qd8 48.Qb4 Qa5 49.Qa5 Ra5 50.Be3 h5 51.Bh6 Ke7 52.Rh1 Be6 53.Bg5 f6 54.ef6 Kf7 55.Rh5 Nf6 56.Bf6 Kf6 57.Rh6 Ke7 58.Rh7 Ke8 59.Rb7 Bd5 60.Rb6 (60.Rb6 Ra3 61.Rb8 Kd7 62.Kf2+–) 1–0. Taulien,Hans_Juergen (2225) – Mueller,Willy (2165), remoteschach.de, 2005.

8.c4 Nc6 9.cd5 Nd5 10.Qc2 Nd4 11.Nd4 (11.ed4 Nf4 12.Ne5 cd4+=) 11...cd4= 12.0-0 de3 13.de3 Be6 14.Bb5 Re7 15.Qe4 Rc8 (15...Bc5 16.Nc3 f5 17.Qf3 Nc3 18.Bc3=) 16.Rd1 a6 17.Bf1 Qa5 18.a3 Bd6 19.Qf3 Rd7 (19...Rc2 20.Bd4+=) 20.Nd2 (20.e4 Nc7 21.Rd6 Rd6 22.Qg3+=) 20...Nc3+= 21.Rac1 (21.Bc3 Rc3 22.Ne4 Ra3 23.Rab1=) 21...Bf8?? (better is 21...Nd1 22.Rc8 Bf8 23.Bg7 Kg7 (23...Rd2?? 24.Qg3 Qg5 25.Qg5 h5 26.Bf8 Kh7 27.Qg7) 24.Qg3 Kh6+=) 22.Nc4+= Rc4 23.Rd7 Ne2 24.Qe2 Rc1 25.Rb7 Bc4 26.Qc4 Rc4 27.Bc4 Qe1 28.Bf1 a5 ½–½. Hoch,Hubertus (2320) – Zejewski,Paul (2385), BdF, 2007.

8.c4 Nc6 9.cd5 Nd5 10.Qc2 Qd6 11.a3 Ba5 12.Nc3 =.

8.c4 Nc6 9.cd5 Nd5 10.Qc2 g6 11.a3+= Bf5 12.Qb3 Ba5 13.0-0 Qb6 14.Qa2 Be6 15.Bc4 Qd8 16.Qb3 Rb8 17.Nc3 Bc3 18.Bd5 (18.dc3? Na5 19.Qa4 Nc4 20.Qc4 Ne3 21.Qc5 Nf1 22.Rf1 b6-+; worse is 18.Bc3 A) worse is 18...Nc3 A1) 19.dc3? Na5 20.Be6 Nb3 (20...Re6?! 21.Qc2=) 21.Bb3 Qf6-+; A2) 19.Qc3 Bg4 20.Be2=; B) 18...b5 19.Bd5 Bd5+=) 18...Bb2 (worse is 18...Qd5 19.Qc3 Kf8 20.Qg7 Ke7 21.Bf6 Kd7 22.d4+/-; worse is 18...Bd5 19.Qc3 f6 20.Ne1+=) 19.Be6 Re6 20.Qb2 b5 21.Rfd1 c4 22.Qc3 Rd6 23.Ne1 Ne7 24.d4 Nd5 25.Qc2 f5 26.Nf3 Rc8 27.Ne5 c3 28.Qb3 a6 29.Rac1 Kg7 30.Rc2 Rb6 31.Nd3 a5 32.Ra1 Rc4 33.Rac1 Kh6 34.Ra2 Qd6 35.Raa1 Rc8 36.h3 Qc6 37.Ne5 Qe6 38.Nd3 b4 39.Nc5 Qc6 40.Re1 Nf6 41.ab4 ab4 42.Ra4 Rcb8 43.Ra7 Ra8 44.Ra2 Ra2 45.Qa2 Qd5 46.Qa7 Qd8 47.Qf7 Qe8 48.Qa7 Rb5 49.Nb3 Ne4 50.Ra1 Qc8 51.f3 Nd2 52.Qe7 Rb7 53.Qd6 Rf7 54.Qf4 Kg7 55.Qe5 Kg8 56.Qd5 Qc7 57.Nc5 c2 58.Kf2 ½–½. Hoch,Hubertus (2320) – Seiler,Werner (2340), BdF, 2007.

8.c4 d4 9.ed4 Qe7 10.a3 Ba5 11.Kf1 (11.dc5 Nh5 12.Be5 Bg4=+) 11...Nh5-/+ 12.Nc3 Nf4 (12...Nf4 13.Nd5 Qe2 14.Qe2 Ne2-/+ (worse 14...Re2 15.Nf4 Re4 16.g3+=)) 0–1. Marekt – Kylion, gameknot.com, 2019.

8.c4 Bf5 9.Qb3 Nc6 10.a3 Ba5 11.cd5 Qd5 12.Bc4 Qd7 13.Bf6 gf6 14.Nc3 Bg4 15.Rg1 Rad8 16.0-0-0 a6 17.h3 Bf5 18.g4= Bg6 19.Nd5 Kg7 20.Nf4 b5 21.Be2 Qd6 22.g5 Kf8 23.Ng6 hg6 24.h4 Ne5 25.Qb2 Nd3 26.Bd3 Qd3 27.Rg4 Bc7-/+ 28.Qf6 Re6 29.Ne1 Qa3 30.Qb2 Qb2 31.Kb2 a5 32.Nf3 Ke7 33.d4 a4 34.Rc1 c4 35.e4 f5 36.ef5=+ Re2 37.Rc2 a3 38.Kb1 Rc2 39.Kc2 gf5 40.Rg1 b4 41.g6 b3 42.Kc3-+ Rb8 43.g7 Ba5?? 44.Kc4=+ b2 45.Ne5 Rc8 (45...Rc8 46.Kb3 Rc3 47.Ka2 Rc1 48.g8N Kf8 49.Nd7 Ke8 50.Ngf6 Kf7 51.Ka3 b1Q 52.Rc1 Qc1 53.Ka4 Bd8-+) 0–1. Bott,Martin (2210) – Kappes,Dieter (2100), remoteschach.de, 2004.

9.0-0 Nc6 10.d3 Bf5 11.Nbd2 Bc7 12.Re1 b6 13.Qc2 (13.Qa4 Qd6 (13...Ne5 14.Ne5 Be5 15.Nf3 Bd6 16.c4 dc4 17.Qc4 Be6 18.Qh4=+) 14.Qh4 (14.Rad1 a6 15.Qh4 Bd8 16.Qg5 Be6 17.c4 h6 18.Qg3=+) 14...Bd8 15.Qg5 Qd7 16.Rad1 Ne4 17.Qf4 Bc7 18.Qh4=+; 13.Qb3 A) 13...a6 14.c4 (14.a3 b5 15.c4 bc4 16.dc4 Rb8 17.Qa2 d4 18.ed4=+; 14.Rac1 Na5 15.Qa3 Qe7 16.c4 dc4 17.dc4 Nc6 18.Nh4=+) 14...dc4 15.dc4 Qe7 16.Bd3 Bd3 17.Qd3 Rad8 18.Qf5=+; B) 13...Qd6 14.c4 Rad8 15.d4 Ne4 16.Rad1 cd4 17.cd5 Na5 18.Qd3=; C) 13...Qe7 14.c4 dc4 15.Nc4 Rab8 16.a4 a6 17.Rec1 b5 18.ab5=+) 13...h6 (13...c4=+ 14.Rab1 (14.Ba3 Qc8 15.e4 Bg6 16.Bf1 cd3 17.Bd3 Ne5 18.Ne5-/+; 14.Red1 Qe7 15.Re1 Rac8 16.a3 Bd6 17.Qb1 a6 18.Nh4-/+; 14.Rad1 Qe7 15.Qb1 Rac8 16.a3 Ne5 17.Ne5 Be5 18.Nf3=+) 14...Qc8 15.Bf1 Ne5 16.Ne5 Be5 17.e4 cd3 18.Bd3=+; 13...a6 14.Qb3 (14.a4 c4 15.e4 Bg6 16.Rad1 b5 17.Bf1 de4 18.de4-/+) 14...Qd6 15.c4 d4 16.ed4 cd4 17.Ba3 Qf4 18.Bc1=) 14.e4 (better is 14.c4!?= dc4 15.Nc4 a6 16.a4 Nb4 17.Qb3 Qe7 18.e4=; 14.Rad1 a6 15.c4 dc4 16.Qc4 Be6 17.Qc1 Ba2 18.d4=; 14.Qb3 Qd6 15.c4 d4 16.ed4 cd4 17.Ba3 Qd7 18.Nh4=+) 14...de4-/+ 15.de4 Be4 (15...Ne4!? 16.Ba6 Nd2 (16...Nd6-/+ 17.Re8 Qe8 18.Bd3-/+) 17.Re8 Qe8 18.Qf5-/+) 16.Ne4=+ Ne4?? (16...Re4 17.Bb5 Re1 18.Re1=+) 17.Bd3?? (better is 17.Bb5 Qd5 18.Rad1+–) 17...Ng5 18.Re8= Qe8 19.Ng5 hg5 20.Be4 Rd8 21.g3 Rd6 22.Re1=+ Qd7 23.Bc1= Qd8 24.Bh7 Kf8 25.Be4 g6 26.Qa4 Ne5 27.f4 gf4 28.Bf4 Re6 29.Rd1 Qb8 30.Be5 Re5 31.Bc6 c4 32.Qc2 b5-/+ 33.Kg2 Qb6 (33...Qb6 34.Bd5 Qc5-/+) 0–1. Niephaus,Friedel – Scholz,Herbert, Oberjoch Traum op, 2000.

9.0-0 Bc7 10.Na3 (10.c4 Be6=+) 10...a6 11.Nc2 (11.c4 dc4 12.Qa4 Nbd7=+) 11...Bg4 (11...Nc6 12.d3=+) 12.a4 (12.h3!? Bf5 13.d3=+) 12...Qd6-/+ 13.g3 Nc6 14.Kg2 (14.d3 b5-/+) 14...Rad8 (14...Qe6 15.Re1-/+) 15.Ba3 (15.h3 Bf5-/+) 15...Ne4 16.Nfd4 Bc8 (16...Be2 17.Qe2 Qg6 18.Nc6 Qc6 19.Rfb1-/+) 17.Bf3 (17.f3 Ng5 18.Re1 b6-/+) 17...Ne5 18.Nb3? (18.Bh5 b6-/+) 18...Qh6 (18...Nf3!? 19.Qf3 Bh3 20.Kg1 Bf1 21.Rf1-+) 19.Be4 de4 20.Nc5 Qh3?? 21.Kh1-/+ Ng4 (21...Ng4 22.Qg4 Bg4-+) 0–1. Weiss,Peter – Maas,Oliver, Baden opC Leimen, 2001.

9.0-0 Nbd7 10.c4 b6 11.Nc3 Bc3 (11...dc4 12.Bc4 a6 13.Qb3=) 12.Bc3 Ba6 13.Qa4 (13.d3 dc4 14.dc4 Ne4=) 13...Qc8 (13...Bc4 14.Bc4 dc4 15.Qc4=) 14.Rac1 (14.d3 dc4 15.dc4 Ne4=) 14...Ne4 (14...dc4 15.Bc4 Bc4 16.Qc4=) 15.Ba1 (15.d4 Ndf6=) 15...Nd6 (15...dc4 16.Bc4 Bc4 17.Qc4=) 16.Qc2 (16.d3!? d4 17.e4=) 16...Bc4=+ 17.Bc4 Nc4-/+ 18.d4 Qc6 19.dc5 bc5 20.Rfd1 Ndb6 21.Bc3 Rac8 22.Qf5 Qe6 23.Qf4 Na4 24.Ba1 Nab2 25.Ng5 Qf6 26.Rd5 Qf4 27.ef4 f6 28.Nf3 Red8 29.Rd8 Rd8 30.Kf1 Rd1 31.Rd1 Nd1 32.Ke2 Ndb2 33.g4 Kf7 34.Nd2 Ke6 35.f5 Kd5 36.f4 Nd2 37.Kd2 Nc4 38.Kd3 Nd6 39.h3 c4 40.Ke3 a6 41.Bc3 Ne4-/+ 42.Bb4 ½–½. Namasivayama,Namohar – Dunn,Michael, IECC CL7–1996.9, 1996.

9.d4 c4 10.0-0 Bf5 11.Re1 h6 12.Nbd2 Nc6 13.a4 a6 14.Nh4 (14.h3 Bc7-/+) 14...Bh7 15.h3 (15.Nhf3 Qd7-/+) 15...b5 16.ab5 ab5 17.Qc1 b4 18.cb4 (better 18.Nhf3 b3 19.Nc4 dc4 20.Bc4-/+) 18...Nb4 19.Bc3 Nc2 20.Ba5 Ra5 21.Ra5 Qa5 22.Rd1 Nd4! 23.Bc4 (23.ed4 Re2 Pinning (23...Re2 Deflection)) 23...dc4 24.ed4 c3 25.Nc4 Qa2 Black plans c2 26.Ne3 c2 27.Re1 Rb8 28.Nf3 Rb1 29.Qd2 Re1 30.Ne1 Qb1 31.N3c2 Bc2 32.Qc2 Qe1 33.Kh2 Qe6 34.Qc7 Qf5 35.Qg3 Nh7 36.Kg1 Qb1 37.Kh2 Qa2 38.Qb8 Nf8 39.Kg3 Qc4 40.Qd8 (40.Qd6 Ne6 41.d5 Nc7-+) 40...Qc1 (40...Qc3 41.Kh2-+) 41.h4 h5 42.d5 (42.f3 g6-+) 42...Qc3 43.Kh2 (43.f3 Qe5 44.Kf2 f6-+) 43...Qe5 44.g3 (44.Kh1 Qe1 45.Kh2 Qf2-+) 44...g6 45.d6 (45.Qa8 Kg7-+) 45...Kg7 46.Qe7 Qc5 47.Kg2 Ne6 48.f4 Qd5 49.Kf2 Qd2 50.Kg1 Qe1 51.Kg2 Qe2 52.Kh1 Qf1 53.Kh2 Qf2 54.Kh3 Qe2 55.Qa7 Nf4! 56.gf4 Qg4 57.Kh2 Qf4 58.Kg2 Qg4 59.Kf1 Qc4 60.Kg1 Qg4 (60...Qh4 61.d7 Qe1 62.Kg2 Qd2 63.Kf1 Qd3 64.Ke1 Qc3 65.Ke2 Qe5 66.Kd3 Qf5 67.Kc4 Qe6 68.Kd3 Qb3 69.Ke4 Qc2 70.Kd5 Qg2 71.Kd6 Qg3 72.Kc6 Qf3 73.Kc7 Qc3 74.Kb7 Qf3 75.Kb8+=) 61.Kf1 Qd1 62.Kf2 Qd6 63.Qa4 Qe6 64.Qb4 0–1. Pereira – Enros, internet, 2020.

8.0-0 Nc6 9.a3 Ba5 10.d3 d4 11.Nbd2 Re8 =+.

8.a3 Ba5 9.0-0 Re8 10.c4 Qb6 11.Ra2 d4 =+.

8.Nh4 Be6 9.a3 Ba5 10.Nf3 Nc6 11.0-0 Re8 =+.

8.0-0 Nc6 9.a3 Ba5 10.h3 Be6 11.Ne5 Ne5 =+.

8.a3 Ba5 9.0-0 Nc6 10.h3 Be6 11.Re1 Ne4 =+.

8.c3 Ba5 9.0-0 c4 10.h3 Bh5 (10...Bf3 11.Bf3 Nc6 12.Na3+=) 11.d3= Qc8 (11...cd3 12.Bd3 Nbd7 13.Nbd2+=) 12.Qa4 (12.dc4 Rd8+=) 12...Bc7 (better is 12...cd3 13.Bd3 Bf3 14.Qa5 Nc6+=) 13.dc4+/- dc4 14.Qc4 (better is 14.Nbd2!?+/-) 14...Bf3+= 15.gf3 (15.Bf3?? Bh2 16.Kh2 Qc4-+) 15...Nc6 16.Nd2? (16.Qh4!?+=) 16...Ne5 (16...Qh3 17.f4 Ng4 18.Nf3-+) 17.Qb4? (better is 17.Qh4 Ng6 18.Qg5-/+) 17...Qh3-+ 18.Qf4?? (18.Qb7 Ne8 19.f4-+ (19.Qa8?? Ng4 20.Rfd1 Qh2 21.Kf1 Qf2)) 18...Nf3! (18...Nf3 19.Nf3 Bf4 20.ef4 Qg4 21.Kh1 Qh5 22.Kg2 Nd5-+) 0–1. Krueger,Bernhard – Hitmy,Elli, Baunatal op, 1997.

8.h3 Bf5 9.a3 Ba5 10.0-0 Nc6 11.d3 d4 =+.

8.0-0 Nbd7 9.Bd6 Re8 10.Bf4 a6 11.Qc2 Bc7 12.Bc7 Qc7 13.d4 cd4 14.Nd4 Ne5 15.a4 Bg4 16.Bd3 Bh5 17.Bf5 Neg4 18.g3 Ne5 =+.

8.0-0 Nbd7 9.Bf4 Re8 10.Qc2 Bc7 11.Bc7 Qc7 12.d4 Nb6 13.Nbd2 Bg4 14.Rfc1 Rac8 15.Bd3 c4 16.Bf5 Bf5 17.Qf5 Re7 18.Rcb1 Rce8 =.

8.0-0 Nbd7 9.Bg3 Re8 10.d3 Qb6 11.Qc2 Nh5 12.Bh4 Qg6 13.Re1 Bc7 14.Nbd2 Nhf6 15.Rab1 b6 16.Qa4 Re6 17.d4 c4 18.Ng5 b5 =.

8.0-0 Re8 9.Qb3 Nbd7 10.Bf4 c4 11.Qa3 Bc7 12.Bc7 Qc7 13.d3 cd3 14.Bd3 Nc5 15.Bb5 Bd7 16.c4 dc4 17.Bc4 b5 18.Be2 Rac8 =+.

8.0-0 Re8 9.Bb5 Nbd7 10.Bf6 Qf6 11.d4 c4 12.Ne5 Rd8 13.Nd7 Bd7 14.Bd7 Rd7 15.Qa4 Qd8 16.Qc2 Qh4 17.Qf5 Rad8 18.Qc2 Bc7 =+.

8.0-0 Re8 9.d4 c4 10.Qc2 Nc6 11.Nbd2 Ne5 12.de5 Nd7 13.Rfd1 Bc7 14.Nf1 Ne5 15.Ne5 Be5 16.Bc4 Be6 17.e4 Rc8 18.Bd5 Rc3 =.

8.a3 Nc6 9.Bf4 Bc7 10.Bc7 Qc7 11.d4 c4 =+.

8.Qa4 Nc6 9.Bf4 Nh5 10.Bg5 f6 11.Bh4 Bd7 =+.

8.Qa4 Nc6 9.Bf4 Nh5 10.Bg5 f6 11.Bh4 Re8 12.d3 Qb6 13.Qb3 Be6 14.Nfd2 Bf7 15.g4 d4 16.Qb6 ab6 17.Ne4 dc3 18.Nec3 Nf4 =+.

8.Qa4 Nc6 9.Bg3 Re8 10.Bh4 Bc7 11.0-0 a6 12.Qc2 Qe7 13.d4 c4 14.Nbd2 Qe6 15.a4 Ba5 16.Rab1 Ne4 17.Ne4 Qe4 18.Qe4 Re4 =.

8.Qa4 Bc7 9.0-0 Be5 10.Ne5 Nbd7 11.Nf3 Re8 12.d4 Nb6 13.Qc2 Qe7 14.Nbd2 Bg4 15.Bb5 Bd7 16.a4 cd4 17.Nd4 Ne4 18.Rfd1 Nd2 =.

8.Qa4 Bc7 9.Bc7 Qc7 10.0-0 Nc6 11.d4 c4 12.Nbd2 Re8 13.Qc2 Ne7 14.Qb2 Bf5 15.Nh4 Be4 16.Nhf3 Nc6 17.Ne4 Ne4 18.Nd2 Nd2 =.

8.Qa4 Bc7 9.d4 Be5 10.Ne5 Nbd7 11.Nf3 Qb6 12.Qc2 c4 13.Nbd2 Re8 14.0-0 Qd6 15.a4 b6 16.a5 b5 17.Rfb1 a6 18.Rb4 Ne4 =+.

8.Qa4 Nbd7 9.Bf4 c4 10.0-0 Nc5 11.Qa3 Bb6 12.Nd4 Re8 13.Qb4 Bg4 14.f3 Bc8 15.Bg5 Ne6 16.Ne6 Re6 17.f4 Qd6 18.Qd6 Rd6 =+.

8.Qa4 Nbd7 9.Bg3 Ne4 10.Bh4 Qb6 11.Qc2 c4 12.0-0 Ndc5 13.Be7 Re8 14.Bc5 Qc5 15.d3 cd3 16.Bd3 Bd7 17.c4 Rac8 18.Nbd2 Qe7 -/+.

8.Qb3 c4 9.Qb5 a6 10.Bf6 ab5 11.Bd8 Rd8 12.Nd4 b4 13.cb4 Bb4 14.Nc3 Ra5 15.h4 Na6 16.h5 Nc5 17.0-0 Ne6 18.Ne6 fe6 =+.

8.Qb3 c4 9.Qc2 Nc6 10.Bf4 Bc7 11.Bc7 Qc7 12.d4 Re8 13.Nbd2 Ne7 14.0-0 Rb8 15.Qb2 Nc6 16.h3 Bf5 17.Nh4 Bd7 18.a4 a6 =+.

8.Qb3 c4 9.Qc2 Nc6 10.Bf4 Re8 11.0-0 Qe7 =+.

8.Qb3 Nbd7 9.Bd6 Re8 10.0-0 Ne4 11.Bf4 c4 12.Qb2 Ndc5 13.Nd4 Bc7 14.Bc7 Qc7 15.Rd1 Nf2 16. Kf2 Qh2 17.d3 cd3 18.Bf3 Qh6 -/+.

8.Qb3 Nbd7 9.Bf4 c4 10.Qc2 Nc5 11.Nd4 Bg4 12.f3 Bh5 13.Qb2 Bg6 14.Bg5 Bb6 15.0-0 Re8 16.a4 Nd3 17.Bd3 Bd3 18.Re1 h6 =+.

8.Qb3 Nbd7 9.Bg3 c4 10.Qb5 a6 11.Qb2 Ne4 12.Nd4 Re8 13.Bf4 Bc7 14.Bc7 Qc7 15.d3 cd3 16.Bd3 Ne5 17.Be2 Bg4 18.f3 Nc5 =+.

8.Bb5 a6 9.Be2 Nc6 10.Bf4 Re8 11.0-0 Bf5 =+.

8.Qc2 Nc6 9.Bf4 h6 10.h3 Re8 11.0-0 Be6 =+.

8.d4 c4 9.0-0 Ne4 10.Qc1 Nc6 11.Qb2 Bf5 =+.

8.d4 c4 9.Qc2 Re8 10.Nbd2 Nc6 11.0-0 Ne5 12.de5 Nd7 13.Rfd1 Bc7 14.Nf1 Ne5 15.Ne5 Be5 16.Bc4 Be6 17.e4 Rc8 18.Bd5 Rc3 =.

8.d4 Nc6 9.dc5 Ne5 10.Ne5 Qc7 11.Qd4 Re8 12.f4 Bf5 13.Nd2 b6=+ 14.c6 b5 15.Nb3 Bb6-/+ 16.Qd2 Ne4 17.Qd5 Be3 18.Nd3 g6 0–1. Pachurka,Roland (1865) – Berger,Fred (2115), internet, 2004.

8.d4 Nc6 9.dc5 Ne5 10.Ne5 Re8 11.Qd4 Qc7 12.f4 Bf5 13.0-0 Rad8 14.Bb5 Re7 15.Nd2 a6 16.Bd3 Ne4 17.Rac1 Nd2 18.Bf5 Nf1 -/+.

8.d4 cd4 9.Bd4 Nc6 10.0-0 Nd4 11.cd4 Bf5 12.Qb3 Qb6 13.Qb6 Bb6 14.Nc3 Rac8 15.Rac1 Bc7 16.Ne5 Bd6 17.Nb5 Bb8 18.Bd3 Be6 19.f4 Rc1 20.Rc1 a6 21.Nc3 b5 22.f5 Bc8 23.Nc6 Bd6 24.e4 Ba3 25.Rc2 de4 26.Ne4 Nd5 27.Nc5 Re8 28.Kf2 Kf8 29.g3 h6 30.Be4 Nf6 31.Bd3 g6 32.Re2 gf5+= 33.Re8 Ke8 34.Ke2 Nd5 35.Kf3 Nc3 36.Na7 Bc5 37.dc5 Be6 38.Ke3 Kd7 39.a3 Nd5 40.Kd4 Kc7 41.a4 ba4 42.Ba6 Nb4 43.Bf1 Kb7 44.Nb5= Nc2 45.Kd3 Bb3+= 46.Bg2 Ka6 47.Nc7 Ka5 48.Kc3 Ne3 49.Bf3 Bc4 50.Bd1? a3-+ 51.Bb3 a2 52.Ba2 Ba2 53.Kd4 Nf1 54.Nd5 Bd5 55.Kd5 Nh2 56.c6 Kb6 57.Kd6 Ng4 58.c7 Kb7 59.Kd7 Ne5 60.Kd8 Nc6 61.Kd7 Na7 62.Kd6 f4! 63.gf4 h5 (63...h5 64.Ke5 h4-+) 0–1. Lagergren,Henry (2070) – Azevedo,Paulo J. S (2015), WS/H/017 ICCF, 2005.

8.d4 Nbd7 9.Bd6= cd4 10.Nd4 Re8 11.0-0 Ne5 12.Bb4 Bc7 13.Nd2 Bg4 14.Bg4 Nfg4=+ 15.h3 a5 16.Ba3 Nf6 17.Qb3 Qd7 18.Rfd1 Ra6 19.c4 Nc6 20.Nc6 bc6 21.cd5 cd5 22.Qd3 Rb6 23.Rac1 a4 24.Bc5 Rbb8 25.Bd4 Re6 26.Bf6 ½–½. Pech,Jaroslav – De Visser,Arno, corr or01–014 E–mail, 2002.

8.Bf4 Bc7 9.Bc7 Qc7 10.0-0 Bf5 11.Nh4 Be6 12.Nf3 Re8 13.d4 c4 14.Nbd2 Nc6 15.Qc2 Qd7 16.Qb2 Bg4 17.a3 Rab8 18.Bd1 Bf5 =+.

8.Bf4 Ne4 9.0-0 Nc6 10.Qc2 Qf6 11.Rc1 g5 12.d3 gf4 13.de4 fe3 14.ed5 ef2 15.Kf2 Ne5 16.Kg1 Bf5 17.Qd2 Rfe8 18.Rf1 Ng4 =+.

8.Bf4 Ne4 9.Qc2 Nc6 10.0-0 Qf6 11.Rc1 g5 12.d3 gf4 13.de4 fe3 14.ed5 ef2 15.Kf2 Ne5 16.Kg1 Bf5 17.Qd2 Rfe8 18.Rf1 Ng4 =+.

8.Bf4 Bf5 9.0-0 Bc7 10.Qa4 c4 11.Bc7 Qc7 12.Nh4 Ng4 13.g3 Be6 14.Nf3 Nc6 15.d3 cd3 16.Bd3 Nge5 17.Be2 Nf3 18.Bf3 Ne5 =+.

8.Bf4 Bf5 9.Qb3 Bb6 10.d3 Nh5 11.Bg5 f6 12.Bh4 Nc6 13.Nfd2 g5 14.Bh5 Na5 15.Qd1 gh4 16.Nf3 h3 17.Rg1 Bc7 18.Bg4 Bg6 +=.

8.Bf6 Qf6 9.Qb3 Rd8 10.Qa3 b6 11.Qa4 Nc6 Black prepares d4 12.Qh4 Qh4 13.Nh4 d4 14.0-0 dc3 15.dc3 Ne5 16.a4 Be6 17.Nf3 Nf3 18.Bf3 Rac8 19.Rc1 Rd6 20.Be2 Rcd8 21.Na3 Rd2 22.Bf1 Rb2 23.Bc4 Bf5 24.Rd1 Rd1 25.Rd1 g5 26.Rc1 Bd7 27.Nb5 Kf8 28.Na7 Ba4 29.g3 Rd2 30.Bf1 Ke7 31.c4 Bd7 32.Bg2 Bc3 33.Be4 f5 34.Bf3 (34.Bf5 Bf5 35.Rc3 Ra2=) 34...g4 35.Bc6 Bb2 36.Rb1 Be6 37.Bb5 Kd6 38.Ba6 Kc7 39.Kf1 Be5 40.Nb5 Kd8 41.Na7 Ra2 42.Rd1 Ke7 43.Nc6 Kf6 44.Bb5 Bc7 (44...Rc2!?-/+) 45.Ke1= h5 46.Rd2 Ra8 47.Ke2 h4 48.Rd1 (48.gh4 Bh2 Pinning (48...Bh2 Deflection)) 48...h3 49.Rd2 Bc8 ½–½. biggie (2240) – hko61 (2205), gameknot.com, 2013.

8.Bg3 Ne4 9.Qc2 Nc6 10.0-0 Ng3 11.fg3 c4 12.Na3 Qf6 13.Qa4 Bd7 14.Rab1 Bb6 15.Nb5 a6 16.Nd6 Be3 17.de3 Qd6 18.Rb7 Rfb8 -/+.

8.Bg3 Ne4 9.Bf4 Nc6 10.0-0 Re8 11.Qc2 Qf6 12.Qb3 c4 13.Qb5 Rd8 14.Qb2 Bg4 15.a3 Bb6 16.h3 Bf3 17.Bf3 Nc5 18.Be2 Ne5 =+.

8.Bg3 Ne4 9.Bf4 Re8 10.0-0 Nc6 11.Qc2 Qf6 =+.

8.Bg3 Ne4 9.Bh4 Qd6 10.Qc2 Nc6 11.0-0 Qg6 12.Qb2 Bc7 13.d3 Bh3 14.Ne1 Nd6 15.Bg3 Bf5 16.Nd2 b6 17.Bf3 Ne7 18.c4 Be6 =.

9.Qb3 Ne5=+ 10.Ne5 Bc7 11.f4 c4 12.Qc2 b5 13.d4 a5 14.Qb2 Bd7 15.Nd2=+ Rb8 16.a3 Bf5 17.Nc6 Qe8 18.Nb8 Qe3 19.Rf2 Rb8 20.Nf1 Qe6 21.Ng3 Ne4 22.Ne4 de4 23.Qc1 e3 24.Rf3 Re8 25.h3 Bd3 26.Ra2 Qe4 27.Qf1 f5 28.Rb2= Rb8 29.Qc1 Bf4-/+ 30.Qd1 Bd6 31.Qf1 f4 32.Ra2 g5 33.g4 b4 34.ab4 ab4 35.cb4 Rb4 36.Ra1 Qd4 37.Rd1? Bc5 38.Kh2?? Rb2 39.Kh1 Re2 40.Rd3 cd3 41.Qb1 Qd5 42.Qb8 Kg7 43.Qc7 Kg6 44.Qg7 Kg7 (45.Kg1 Qf3 46.h4 Qg2#) 0–1. Marchon,Kristoff – Manojlovic,Nedelko, St Jean op, 2002.

9.d4 c4 10.Qc2 Ne4 11.Nfd2 Bf5-/+ 12.Qc1 Ne5 13.de5 Qg5 14.Nf3 Qg6 15.Nh4 Qg5 16.Nf5 Qf5-/+ 17.Bd1 Qe5-+ 18.f4 Qc7 19.Bc2 Nc3 20.Nc3-/+ Bc3 21.Bh7 Kh7 22.Qc3 Rh8 23.Rae1 Rae8 24.Qc2 Kg8-+ 25.e4 Kf8 26.ed5-/+ Re1 27.Re1 Qf4 28.Re4 Qh2-+ 29.Kf2 b5 30.a4 f5 31.Re6?? Qf4 32.Kg1 Qd4 33.Qf2 Qf2 34.Kf2 Kf7 35.ab5-/+ Rb8 36.Rc6 Rb7 37.d6 Rb6 38.Rc7 Ke6-/+ 39.d7 Ke7 40.Ra7 Rb5 41.Rc7 Rb4 42.d8Q Kd8-+ 43.Rg7 c3 44.Ke2 Rd4 45.Rh7? f4?? 46.Rh1 Rd2 47.Ke1?? Kd7 48.Rf1?? Rd4 49.Rf2 Kd6 50.Rc2 Re4 51.Kf2 Rc4 52.g3? fg3 53.Kg3 Kd5 54.Kf3 Kd4 55.Ke2 Ke4 56.Kd1 Kd3?? 57.Kc1?? Rg4 (57...Rg4 58.Kb1 Rg1 59.Rc1 Rc1 60.Kc1 c2 61.Kb2 Kd2 62.Kb3 c1Q 63.Kb4 Qc6 64.Kb3 Qb5 65.Ka3 Kc3 66.Ka2 Qb2) 0–1. ajmcroberts (1710) – imreallylousy (1875), net–chess.com, 2007.

9.d4 Ne4 10.Qc2 Bf5=+ 11.Bd3 Ne5 12.de5 c4-/+ 13.Be4 Be4 14.Qd2 Bf3-+ 15.gf3 Qg5 16.Kh1 Qe5 17.f4 Qf5 18.Rg1 Bb6 19.Rg5 Qe4 20.Kg1 Rad8 21.Qe1 Qd3 22.a4 Rfe8 (23.Qf1 Qc2-+) 0–1. Kupec,Jan – Dziedzic, corr 3GMM–09, 1996.

9.d4 Ne5 10.de5 Ne4 11.c4 dc4 12.Qa4 Bf5 13.Qc4 Re8 14.Qb3 Qc7 15.Na3 Nc3 16.Bc4 a6 17.Rfc1 b5 18.Rc3 Bc3 -/+.

9.d4 Ne5 10.Ne5 c4 11.Qc2 Re8 12.a4 (12.Nd2 Bc7=+) 12...Bc7 13.Nd2 (13.f4 Ba5=+) 13...Be5-/+ 14.de5 Nd7 (14...Re5 15.Nf3 Bf5 16.Qb2-/+) 15.f4 Nc5 (15...Qb6 16.Rf3=+) 16.Rad1 (better 16.Rfd1!? Qb6 17.a5=) 16...Qa5 17.Ra1 Bd7 The pressure on the isolated pawn grows 18.Bd1 (18.e4 de4 19.Ne4 Ba4=) 18...b5 (18...Ba4 19.Qc1 b5 20.Nf3-/+) 19.Qb2 (19.e4 Na4 20.ed5 Qc3 21.Ra4 Qd4 22.Rf2 ba4 23.Qc4 Qa1-/+) 19...Na4 (19...ba4!? 20.Qa3 Qb6-+) 20.Ba4 ba4 The passed pawn on a4 will quickly become a dangerous weapon. Black launc 21.Qa3 (21.Nf3 Rab8 22.Qd2 Qc5-/+) 21...Qb6-/+ 22.Rfe1 Qg6 (22...Rab8 23.Rab1 Qc6 24.Rb8 Rb8 25.e4-/+) 23.Nf3 (23.e4 Bc6=+) 23...Bh3 Threatening mate... how? 24.Ra2 Bd7 (24...Bg4 25.Nd4-/+) 25.Nd4 (25.Raa1 Rab8 26.Nd4-/+) 25...Rab8-/+ 26.Qc5 Rb1 27.Rae2 Bg4 28.Kf2? (better 28.e4!? Be2 29.Rb1 Qe4 30.Qb5-+) 28...Be2-+ 29.Re2 Qa6 30.Ra2 Reb8 (better 30...Qb7!? 31.Qc6 Rb2 32.Rb2 Qb2 33.Kf3-+) 31.Qd5 R8b2 32.Rb2 Rb2 33.Kf3 The mate threat is Qd8 33...h6 (better 33...Qc8-/+) 34.Nf5? (better 34.Nc6 Qb5 35.Ne7 Kf8 36.Qd6-/+) 34...Qb7-+ 35.e4 (35.Qb7 Rb7 36.Nd4 Rb2-+) 35...Qd5 36.ed5 a3 37.d6 a2 38.d7 Do you see the mate threat? 38...Rb8 39.Ne7 Kf8 (better 39...Kh7 40.Nc8 a1Q-+) 40.Nc8+- (40.Nc8 Kg8 41.d8Q Kh7 42.Qa5 Rc8 43.Qa2+-) 1-0. retiponziani (2005) - beaglehound (2125), ChessWorld.net, 2019.

9.d4 Ne5 10.Ne5 Ne4 11.c4 dc4 12.Bc4 cd4 13.Qd4 Qd4-/+ 14.ed4 Bb6 15.Rd1 Be6 16.Be6 fe6 17.Nd7 Rf2 18.Nc3 Nc3 19.Kf2 Nd1 20.Rd1 Bc7 21.Kf3 Bh2 22.Nc5 Rf8 23.Ke3 Bf4 24.Ke4 Bh6 25.Ne6+= Rf2 26.d5 Kf7 27.g4 Kf6 28.Re1 Rg2 29.Rf1 Ke7 30.g5. pierre – junguts, ChessHere.com, 2005.

9.d4 Ne5 10.Ne5 Qe7 11.c4 =+.

9.d4 Ng4 10.Bg3= c4 11.Qc2 Bc7 12.Bc7 Qc7 13.h3 Nf6 14.Nbd2 b5. mr (2260) – dstephens (2120), net–chess.com, 2009.

9.Bf4 Bc7 =.

9.Bg3 Ne4 10.Na3 Re8 11.Bf4 g5 12.Bg3 h5 13.h3 d4 14.cd4 =+.

9.Bg3 Ne4 10.Bf4 Re8 11.Qb3 c4 12.Qb2 g5 13.Bg3 h5 14.h4 g4 15.Ng5 Nd6 16.Bd6 Qd6 17.Na3 f6 18.Nc4 dc4 -+.

9.Bg3 Ne4 10.Bh4 Qd6 11.Qc2 Bf5 12.d3 Nf6 13.Qb2 Bb6 14.Nbd2 Rfe8 15.Nb3 h6 16.a4 Nh5 17.Qa3 g5 18.Bg3 Ng3=+ 19.hg3 Na5 20.Nbd2 Qg6 21.c4 d4-/+ 22.e4 Bd7 23.Rfe1 Rac8 24.Nh2 g4 25.Nhf1 Bd8 26.Nb3 Nb3 27.Qb3 b6 28.Qd1 h5 29.Nd2=+ Bc7 30.Bf1 Kg7 31.Be2 Qg5-/+ 32.f4 gf3!-+ 33.Bf3 Bg3 34.Re2 h4 35.Nf1 Rh8 36.Raa2 Rh6 37.e5? Rch8 38.Re4 Bf5 0–1. Puls,Georg – Schuehler,Ernst, corr DDR–ch M538, 1971.

9.Bg3 Bf5 10.d3 b5 11.a3 Re8=+ 12.Nh4 Be6 13.h3 Bc7 14.Bc7=+ Qc7 15.Nd2 b4 16.Qc2 Qd6 17.Ndf3 h6 18.Rfc1 a5 19.cb4= ab4 20.Qc5 Qc5 21.Rc5 Rec8 22.Nd2 ba3 23.Nhf3 a2 24.d4 Nb4 25.Rc8 Rc8 26.Ne1 Nc2-+ (26...Nc2 27.Ra2 Ne1-+) 0–1. algernon (2375) – ladams (2375), net–chess.com, 2008.

9.Bg3 Bf5 10.d3 Re8 11.Qc1 Nh5 12.Nbd2 Qf6 13.c4 Ng3 14.hg3 d4 15.e4 Bc8 16.Nb3 Bc3 17.Rb1 b6 18.Qf4 Qe7 19.g4 Bd7 20.g5 Rf8 21.Nh4 f5! 22.gf6 (22.ef5 Qe5 Double attack (22...Qe2 Pinning; 22...Qe2 Deflection; 22...Qe5 Decoy); 22.Nf5 Bf5 Decoy) 22...Rf6 23.Qg3 Rh6 24.Nf3 Rf8 25.Qg5 Qg5 26.Ng5 Rg6 27.Nf3 Bg4 28.Kh2 Rff6 29.Rh1? (better is 29.Nc1 Rh6 30.Kg1-+) 29...Bf3 30.Bf3 Ne5 31.Nc5 (31.Bh5 Rh6 32.Kg1 Nd3 33.Rh2-+) 31...Rh6 32.Kg3 Rfg6 33.Kf4 Bd2 (33...Nf3?! 34.Rh6 Rh6 35.Kf3 Rf6 36.Ke2 bc5 37.Rb8 Rf8 38.Rb7-+) 34.Ke5 Rg5 0–1. nizef (1880) – marekt (2125), gameknot.com, 2014.

10.Na3 Ne4 11.Rb1 g5 12.Bg3 h5 13.h3 d4 14.cd4 cd4 15.Bc4 de3 16.Qb3 Qe7 17.de3 Ng3 18.fg3 Qe3 =+.

10.Bb5 Bg4 11.h3 Bf5 12.d3 Rc8 13.Qb3 a6 14.Bc6 =+.

10.Qc2 Bc7 11.Bc7 Qc7 12.d4 c4 13.Nbd2 Ne7 14.Qb2 =+.

10.Qc2 Bg4 11.Qb2 Bc7 12.Qb7 Bf4 13.Qc6 Bh2 14.Kh2 =+.

10.Qc2 Bg4 11.d4 cd4 =+.

10.Qc2 h6 11.Bb5 Nh5 12.Bg3 Ng3 13.fg3 Qd6 14.Na3 =+.

10.Bb5 Bf5 =+.

10.d4 c4 11.Qc1 b5 12.a3 Bf5 13.Nbd2 Bc7 14.Ra2 a5 15.Rb2 (15.Qb2 Rab8-/+) 15...Rfb8-+ Black prepares the advance b4 16.Bd1 b4 17.Ba4 (17.Re1 Qe6-+ (17...ba3?! 18.Rb8 Rb8 19.Qa3=+)) 17...Ra6 (better 17...b3!?-+) 18.Re1-/+ Rab6 19.Bc6 (19.ab4 ab4 20.e4 bc3 21.Rb6 Bb6 (21...Rb6? 22.ef5 g6 23.Qc3+-) 22.Nc4 dc4 (22...de4?! 23.Nb6 Ne7 24.Nd7 Bd7 25.Bd7 ef3 26.Qc3=) 23.ef5 Nd4 24.Nd4 Bd4-/+) 19...Qc6-+ (19...Rc6?! 20.ab4 ab4 21.e4 de4 22.Rb4 Rb4 23.cb4=) 20.ab4 ab4 21.Ne5 Be5 22.de5 Bd3 (22...b3 23.Rd1-+) 23.f4? (23.Rb4 Rb4 24.cb4 Rb4=+) 23...f6 (23...b3 24.Rd1-+) 24.ef6 Qf6 25.Rb4 Rb4 26.cb4 Rb4 (26...Ra8 27.Nf3 Ra2 28.Kh1-/+) 27.Qa3=+ Rb8 28.Nf3 (28.Qc5 Rd8=+) 28...Be4 (28...h6 29.Qa5 Qd6 30.Qa7-/+) 29.Nd4 (better 29.Ng5!?=+) 29...Qg6-/+ 30.g3 Qf6 (30...Qb6 31.Ne2-/+) 31.Rc1 (31.Ra1!?-/+) 31...Qb6 32.Qc3 (32.Ne2 Bd3 33.Nd4 Qb2 34.Qb2 Rb2-/+) 32...h6 (32...Qb2 33.Qb2 Rb2 34.Rc3-+) 33.Qd2 (33.Ne2!?-/+) 33...Qb2-+ 34.Qb2 Rb2 0-1. Gibson,E Diarmid - Green,An (2070), 125th ch-SCO Open, 2018.

10.d4 c4 11.Qc2 Bf5 12.Qc1 b5 13.a3 Bc7 14.Nbd2 a5 15.Re1 Rab8 16.Bf1 Rfe8 17.h3 Qh6 0–1. Cornacchini,Gabriele – Parry,Andrew (1670), RL–2007–0-00121, 2007.

10.d4 c4 11.Nfd2 Re8 12.e4 Nd4 13.cd4+= Qd4 14.Qa4 Qe5 15.Qa5 Qa1+/- 16.Nc3 Qb2 17.Nd5 b6 18.Qc3 Qc3 19.Nc3 Ba6 20.Nc4 Bc4 21.Bc4 Rac8 22.Bb5 Re5 23.f4+– Rh5 24.Nd5 Kf8 25.Rd1 Rc2 26.e5 Ra2?? 27.Nc3 (27.Nc3 f6 28.Rd8 Kf7 29.Na2 fe5 30.Nb4+–) 1–0. Pech,Jaroslav – Wantoch_Rekowski,Jacek, corr or01–012 E–mail, 2002.

10.d4 c4 11.Ne1 Bf5 12.Qc1 a6 13.Nd2 Rfe8 14.a3 b5 15.Qd1? Bc3-+ 16.Ra2 h6 17.Bg4 a5 18.Bf5 ½–½. Tejler – Springer, corr SOK–90–68, 1990.

9.0-0 Ne4 10.Qc2 =+.

9.0-0 Re8 10.Qc2 Bg4 11.d4 c4 =+.

9.0-0 Re8 10.Qc2 Bg4 11.d4 cd4 =+.

9.0-0 Re8 10.Qc2 h6 11.h3 Be6 12.Bb5 Bc7 13.Bc6 bc6 14.Bc7 Qc7 15.c4 Rab8 16.d3 Qd6 17.Nbd2 Bf5 18.Rfd1 Nd7 =.

9.0-0 Bf5 10.h3 Re8 11.Qb3 Qe7 12.Qb2 Rac8 13.d3 d4 14.cd4= cd4 15.Nd4 Nd4 16.Qd4 Red8 17.Qe5 Qe5 18.Be5 Bd3 19.Bd3 Rd3 20.Bf6 gf6 21.a4 Bb4 22.Ra2 Rc6 23.Rb2 Rc4 24.Ra2 Kg7 25.g3 Ba5 26.Kg2 a6 27.Kf3 Rb3 28.Rd1 Rbb4 29.Rd5 b6 30.Nd2 Ra4 31.Nc4 Ra2 32.Na5 Ra5 33.Ra5 ba5 34.Ke4 a4 35.h4?? a3-+ (35...a3 36.g4 a2-+) 0–1. Hoebel,Hartmut – Foldvary,Ferenc P, EM/M/167 ICCF Email, 2001.

9.a3 Re8 10.0-0 Bc7 11.Bc7 Qc7 12.d4 c4 13.Qc2 Ne4 14.Nbd2 Nd6 15.Qb2 Bf5 16.Nh4 Be4 17.Nhf3 Qa5 18.Ne4 Ne4 =+.

9.Na3 Re8 10.0-0 Ne4 11.Rb1 g5 12.Bg3 h5 13.h3 d4 14.cd4 cd4 15.Bc4 de3 16.Qb3 Qe7 17.de3 Ng3 18.fg3 Qe3 =+.

9.Qa4 Ne4 10.0-0 c4 11.Qc2 Bf5 12.Qb2 Nc5 13.Na3 Bb6 14.Rfe1 Bd3 15.Nc2 Qf6 16.Bg5 Qg6 17.Ncd4 Be4 18.Bf4 Nd4 -/+.

9.Bb5 Nh5 10.Bg5 f6 11.Bh4 Bf5 12.0-0 Qb6 13.Na3 a6 14.Be2 Qb2 15.Qb3 Qb3 16.ab3 g5 17.Ne1 Bg6 18.g4 gh4 =+.

9.Qc2 Re8 10.0-0 Bg4 11.d4 cd4 12.cd4 Nh5 13.Bg5 f6 14.h3 Bh3 15.Bd3 Bg4 16.Bh7 Kh8 17.Nh2 Qd7 18.Bg6 fg5 -/+.

9.Bg5 Bc7 10.0-0 Re8 11.Na3 a6 12.d4 c4 13.Nc2 h6 14.Bf6 Qf6 15.Qd2 Bf5 16.Rfb1 b6 17.Rb2 Be4 18.Rc1 Qd6 -/+.

9.0-0 Re8 10.d3 Bc7 11.Bc7 Qc7 12.Nbd2 Nb6 13.a4 Bf5 14.a5 Nbd7 15.Qa4 Rac8 16.Qh4 Ne5 17.Ne5 Qe5 18.Rfc1 Qe6 =.

9.a3 Bc7 10.Bc7 Qc7 11.d4 Re8 12.0-0 a6 13.Nbd2 b6 14.Qc2 cd4 15.Nd4 Nc5 16.c4 Bg4 17.Bg4 Ng4 18.N2f3 dc4 =.

9.Na3 Ne4 10.0-0 Re8 11.Rb1 Nf8 12.Nc2 a6 13.Bg3 Ng6 14.Rb2 Qf6 15.Qc1 b6 16.Na1 b5 17.a4 ba4 18.Ra2 Bd7 -/+.

9.Qa4 c4 10.0-0 Nc5 11.Qa3 Bb6 12.Nd4 Re8 13.Qb4 Bg4 14.f3 Bc8 15.Bg5 Ne6 16.Ne6 Re6 17.f4 Qd6 18.Qd6 Rd6 =+.

9.Qb3 c4 10.Qc2 Nc5 11.Nd4 Bg4 12.f3 Bh5 13.Qb2 Bg6 14.Bg5 Bb6 15.0-0 Re8 16.a4 Nd3 17.Bd3 Bd3 18.Re1 h6 =+.

9.d3 Bc7 10.Bc7 Qc7 11.0-0 Re8 12.Nbd2 a6 13.d4 b6 14.Qb3 c4 15.Qb4 Qc6 16.Rab1 Qe6 17.Rfe1 Rb8 18.a4 h6 =.

9.0-0 Nc6 10.a3 Bf5 11.d3 Bc7 12.Bc7 Qc7 13.Nbd2 Rab8 14.Nb3 Qd6 15.Rb1 b5 16.Re1 Re7 17.Rc1 Rd8 18.Ra1 a5 =+.

9.a3 Nc6 10.0-0 Bc7 11.Bc7 Qc7 12.d4 c4 13.Qc2 Bg4 14.Nbd2 Qd7 15.Qb2 Rab8 16.h3 Bf5 17.Nh4 b5 18.Nf5 Qf5 =+.

9.Na3 Nc6 10.0-0 Ne4 11.Rb1 Qf6 12.c4 d4 13.Nb5 g5 14.Nc7 Bc7 15.Bc7 Qe7 16.Bg3 Ng3 17.hg3 Bf5 18.Rb3 Rad8 -/+.

9.Qa4 Ne4 10.0-0 Nc6 11.Bb5 Bd7 12.Qa3 g5 13.Bg3 a6 14.Bd3 b5 15.Be4 de4 16.Ne1 Bb6 17.f3 Bf5 18.Qb2 Na5 =+.

9.Qb3 Nh5 10.Bg5 f6 11.Bh4 c4 12.Qb2 Nc6 13.h3 g5 14.Ng5 fg5 15.Bh5 gh4 16.Be8 Qe8 17.0-0 Qg6 18.Kh1 Bf5 -/+.

9.Qc2 Bc7 10.Bc7 Qc7 11.d3 Nc6 12.0-0 Bg4 13.Nbd2 Re7 14.Rab1 Rae8 15.Nb3 Bf3 16.Bf3 Ne5 17.Nd2 b6 18.Rfe1 Qc8 =+.

9.Bg5 Qb6 10.Qb3 Ne4 11.Bf4 Qe6 12.0-0 c4 13.Qb2 Nd7 14.Nd4 Qb6 15.Qb6 Bb6 16.d3 cd3 17.Bd3 Ndc5 18.Bb5 Bd7 =+.

9.0-0 Ne4 10.Bf4 Qf6 11.Bb5 a6 12.Bc6 Qc6 13.Qc2 c4 14.Rc1 Rd8 15.a3 b6 16.h3 Nc5 17.Rf1 Re8 18.Nd4 Qf6 -/+.

9.Na3 Bf5 10.0-0 Ne4 11.Bf4 Re8 12.Qb3 Qd7 13.Qb2 a6 14.Nb1 b5 15.a4 b4 16.cb4 Nb4 17.d3 Nd6 18.Rc1 Rab8 =+.

9.Qa4 Re8 10.Bh4 Bc7 11.0-0 a6 12.d3 b5 13.Qb3 c4 14.Qd1 Bf5 15.dc4 dc4 16.Qd8 Bd8 17.a4 Be7 18.Nd4 Nd4 =+.

9.Bb5 Ne4 10.0-0 Re8 11.Bf4 Bg4 12.Qa4 Bc7 13.Bc7 Qc7 14.Ng5 Nf6 15.h3 Bh5 16.f4 c4 17.Bc6 bc6 18.Na3 Rab8 -/+.

9.Qc2 Ne4 10.0-0 Qf6 11.Qb2 c4 12.Bh4 Qg6 13.d3 Bh3 14.Ne1 cd3 15.Bd3 Bf5 16.Nf3 Rfc8 17.Nd4 Nd4 18.cd4 Nd6 -/+.

9.Bf4 Bc7 10.Bc7 Qc7 11.d4 b6 12.0-0 Re8 13.Nbd2 Bf5 14.Nh4 Be6 15.Rb1 Rab8 16.Qa4 c4 17.Rfe1 Re7 18.Qc2 Qd7 =+.

9.Bh4 Re8 10.0-0 Qe7 11.Qa4 Qe6 12.Bb5 Bc7 13.c4 Bd7 14.Bf6 Qf6 15.cd5 a6 16.Bc6 bc6 17.Nc3 Red8 18.Qc4 Qd6 +=.

9.0-0 Ne4 10.Bh4 Qd6 11.Qc2 Qg6 12.Qb3 Nc6 13.d3 Bg4 14.Rc1 c4 15.dc4 Bf3 16.Bf3 Ne5 17.Be2 Qa6 18.Qb5 dc4 =.

9.Na3 Ne4 10.0-0 Nc6 11.Bb5 Bg4 12.Rb1 d4 13.Qc2 dc3 14.dc3 Bc3 15.Bd3 Bf3 16.gf3 Nb4 17.Rb4 Bb4 18.Be4 Ba3 =+.

9.Qa4 Nc6 10.Bh4 Bc7 11.0-0 a6 12.Qc2 Qe7 13.d4 c4 14.Nbd2 Rb8 15.Ng5 g6 16.a4 Bf5 17.Qb2 h6 18.Ngf3 Qe6 -/+.

9.Bb5 Bd7 10.Bd7 Nbd7 11.0-0 Bc7 12.Bc7 Qc7 13.d3 Ne5 14.Ne5 Qe5 15.d4 Qd6 16.Nd2 b6 17.Qf3 Rac8 18.Rac1 c4 =+.

9.Qc2 Ne4 10.0-0 Ng3 11.fg3 c4 12.a3 Nc6 13.Ra2 Bb6 14.Rb2 Bc5 15.Bd1 b6 16.Nd4 Ne5 17.Be2 Qe7 18.a4 Bd7 -/+.

9.Bf4 Nc6 10.0-0 Ne4 11.Bb5 Bg4 12.Qa4 Bc7 13.Bc7 Qc7 14.Ng5 Nf6 15.Bc6 bc6 16.h3 Bh5 17.f4 Be2 18.Re1 Bd3 -/+.

9.Bh4 Nc6 10.0-0 Qd6 11.Qc2 Bg4 12.d3 d4 13.Na3 de3 14.Nc4 Qe6 15.Na5 Na5 16.h3 Bf5 17.fe3 Qe3 18.Rf2 Qe6 -/+.

8.Bf6! gf6 9.0-0 (9.Na4) 9...Bc3 10.dc3.

8.Bg3 Bf5 9.0-0=+ a6 10.Na4 (10.Bd3 Bc3 11.dc3 Ne4 12.Be4 Be4=+) 10...Ne4-/+ 11.d3 Ng3 12.fg3 (12.hg3 Qe7 13.d4 cd4 14.Nd4 Nd4 15.Qd4 Bd6 16.Qd5 Bc2=) 12...Re8 (better 12...b5 13.a3 Ba5-+) 13.e4? (better 13.Nh4!? Bc8 14.c3-/+) 13...de4-+ 14.de4 Be4 (14...Re4 15.Bd3 b5 16.Be4 Be4 17.Qe2-/+) 15.a3 (15.c3 Qd1 16.Rfd1 Ba5-+) 15...Ba5 16.Kh1 (16.c4 Qf6 17.Kh1 Rad8-+) 16...Qe7 17.Bd3 Rad8 18.Qb1 (18.Qe2 f5 19.Nh4 Rd4-+) 18...Bf3 19.gf3 b5 20.Nb2 (20.Be4 A) 20...ba4?! 21.Bc6 Qe2 A1) 22.Be8?? Rd2 (22...Re8?! 23.Qd1+=; worse 22...Qe8 23.c4+=) 23.Bf7 Kf8 24.Qb8 Bd8 25.Qd8 Rd8-+; A2) 22.Rd1-+; B) 20...Rd2 21.Rd1 Re2-+) 20...c4 21.Be4 Nd4 22.Rd1 (22.Qa2-+) 22...f5 23.c3 (23.Qa2 fe4 24.Nc4 bc4 25.Qc4 Kh8 26.Rd4 Qf6-+) 23...fe4 24.cd4 (24.Rd4 ef3 25.Rh4 h6-+) 24...ef3 25.Rf1 (25.Nc4 bc4 26.Rc1 Rd4 27.Ra2-+) 25...Qe2 26.a4 Qg2 0–1. retiponziani (2040) – Slick Willie (2005), ChessWorld.net, 2019.

8.Bd6 Bc3 9.dc3 Re8 10.Bf4=+ Qa5 11.0-0 Qc3 12.Rb1 a6 13.a4 -/+.

8.Bd6 Bc3 9.dc3 Re8 10.Bg3 Qa5 11.0-0 Qc3 12.Rb1 a6 13.Rb3 Qa5 14.Qa1 c4 15.Rbb1 Ne4 16.Bf4 b5 17.Ng5 Nc3 18.Rbe1 Nf6 19.Bd6 b4 20.a3 Qa3 21.Qa3 ba3 22.Ba3 Rb8 23.Nf3 Nfe4 24.h3 a5 25.Kh2 a4 26.Nd4 Nd2 27.Rg1 Ndb1 28.Nc6? Na3 29.Nb8 Nc2 (29...Nc2 30.Nc6 Bd7-+) 0–1. Suc,Timothy – Woelfelschneider,Peter, corr or01–003 E–mail, 2001.

8.Bd6 Re8 9.Nb5 Ba5 10.Bf4 Nf8 11.Nd6= Re6 12.Nc8 Rc8 13.Rb1 Rb6 14.Bd3 Ne4 15.0-0 Ng6=+ 16.Bg3 Qe7 17.c3 c4 18.Bc2 Rb1 19.Qb1 Bb6 20.Qb5 Rc5 21.Qb4= Rc8 22.Rb1 Qb4 23.Rb4= Ng3 24.hg3 Ne7 25.e4 f6 26.Kf1 Rc7 27.Rb5 Bc5= 28.ed5 b6 29.Nd4 Nd5 30.Ne6+= Rc8 31.Bf5 Ne7= 32.Bg4 f5 33.Nc5 fg4 34.Ne4 Rc6 35.Rg5 Ng6 36.Rd5 h6 37.f4 gf3 38.gf3 Rc7 39.Kf2 Ne7 40.Re5 Ng6 41.Re8 Kh7 42.Nd6 Rc5 43.f4+= Rc6 44.Nb5 a6 45.Nd4 Rf6 46.Ne6 Rf7 47.Rb8 Re7? 48.f5 Ne5?? 49.Nf8 (49.Nf8 Kg8 50.Ng6 Re8 51.Re8 Kf7 52.Rf8#) 1–0. Hort,Vlastimil – Havansi,Erkki ET, Halle zt, 1967.

8.Bf4 Bc3 9.dc3 Qa5 10.0-0 Qc3 11.Bb5 Re8 12.Rb1 a6 13.Rb3 =+.

8.Bf4 Bc3 9.dc3 Nb6 10.a4 Ne4 11.Ra3 Qf6 (11...Bg4 12.h3 Be6 13.a5+=) 12.Be5 (12.a5 Nc4 (worse is 12...Nc3 13.Be5 Nd1 14.Bf6+/-) 13.Bc4 dc4+=) 12...Qe6 13.0-0 Bd7 Exerts pressure on the isolated pawn 14.a5 Nc4 15.Bc4 dc4 16.Qe2 Bc6 17.Bf4 f6 18.Nd2 Nd2 19.Qd2 Rad8 20.Qe2 Rfe8 21.Re1 g5 22.Bg3 f5 23.f3 Rd7 24.Raa1 Red8 ½–½. Groenn,A (2415) – Stokke,K (2400), ch–NOR, Fredrikstad NOR, 2010.

8.Bf6 Nf6 9.Na4 Ne4 10.c3 Ba5 11.0-0 Re8 12.Rc1 Bd7 13.Nb2 Qf6 14.Nd3 Bc6 15.Nfe1 c4 16.Nb2 b5 17.Qc2 Rab8 18.Nf3 b4 19.cb4 Rb4 20.d4 Reb8 21.Rb1 R4b7 22.Rfc1 Nc3-+ (22...Nc3 23.Ne5 Ba4 24.Na4 Ne2 25.Qe2 Rb1-+) 0–1. Ferrer Ramos,Joaquin – Zednik,Martin, IECG, 2001.

8.0-0 Nc6-/+ 9.Bd3 (9.Nb1 Ne5 10.Ne5 Qf6-/+) 9...Bg4 10.Bf4 Bf3 11.gf3 Nd2 12.Bh7 Kh8 (12...Kh7 13.Qd2) 13.Qd2 d4 14.Qd3 Bc3 (< 14...dc3 15.Qd8 Rad8 16.Be4+=) 15.Qf5? (better is 15.Be4 Ba1 16.Ra1-+) 15...Qh4 (15...Ba1 16.Qh5 Re8 17.Bg6 Kg8 18.Bf7 Kf8 19.Bc4+– (19.Be8?! Qe8 20.Qc5 Kg8 21.Ra1 Qf7+/-)) 16.Rab1 Qh7 17.Qc5 Qg6 18.Kh1 b6 19.Qb5 Rac8 20.Rg1 Qh7 21.Bd6 Rfd8 22.Rg7 Qg7 23.Rg1 Rd6 24.Rg7 Kg7 25.e4 Rg6 26.f4 d3 27.Qd3 Nb4 28.Qh3 Rc5 29.f5 Rh6 30.Qg2 Kh7 31.Qf3 Be5 32.Qb3 Rc2 33.Qf7 Bg7 34.f6 Rf6 35.Qh5 Rh6 36.Qf5 Rg6 37.h4 Nd3 38.h5 Rc1 39.Kh2 Be5 (39...Be5 40.Qe5 Ne5 41.hg6 Kg6-+) 0–1. Bernardt,Rainer Joerg – Pirrot,Dieter, St Ingbert GER, 1994.

8.a3?! Ba5 9.Nb1.

8.a3 Bc3 9.Bc3 Nc3 10.dc3 Nc6=+.

8.Na4 Nc6=+ 9.Bb2 c4 10.0-0 b5 (10...Qa5 11.Nc3=+) 11.Nc3=+ Bc3 12.Bc3 b4 (12...Nc3 13.dc3 a6 14.Nd4=) 13.Bb2= a5 14.d3 (14.Rb1 Re8=) 14...c3=+ 15.de4 (15.Bc1!? Nc5 16.a3=) 15...cb2-/+ 16.Rb1 de4 17.Nd2 f5 (17...Qd5 18.Nc4 Qg5 19.f4 ef3 20.Rf3-/+) 18.Bc4 (18.c4 Be6=+) 18...Kh8-/+ 19.Rb2 Ne5 20.Be2 Be6 21.Nb3 Qf6 22.Nd4 Rfd8 23.Qa1 Bc4 24.a3 (24.c3-/+) 24...Rd4?? (better 24...Be2!? 25.Ne2 Nc4-+) 25.ed4=+ Nf3 (worse 25...Be2 26.de5 Qg6 27.Re1+= (27.ab4 Bf3 28.g3 Qg4 29.Qc1 Qh3 30.ba5 Qg2)) 26.Bf3 ef3 (better 26...Bf1!? 27.Bd1 Bb5=+) 27.Re1+= Qg6 28.g3 Qg4 29.Kh1? (better 29.Re3 f4 30.Rd3 Bd3 31.cd3-+) 29...Qh3-+ 30.Rg1 Ra6 (30...Ra6 31.Qc1 Rh6 32.Qh6 gh6-+ (32...Qh6 33.ab4 Qd2 34.ba5 Qf2 35.Rb8 Bg8 36.a6 Qd4 37.Rf1-+)) 0–1. Waechtler,Frank – Morawietz,Dieter (2300), Porz Op27, 1991.

8.Qb1?! Nc6 9.Qb3?! Nd2! 10.Kd2 d4.

8.Nb5 Nc6 9.Bc7 Qd7 =+.

8.Nb5 Nc6 9.Bf4 Ba5 10.h3 a6 11.Na3 b5 12.0-0 Bc7 13.Bc7 Qc7 14.c3 Qd6 15.Rb1 Bf5 16.Nc2 Rfb8 17.Nce1 c4 18.Rb2 Re8 19.Nc2 Qg6 20.Nh4 Qf6 21.Nf5 Qf5 22.Nd4 Nd4 23.Bg4 Qf6 24.cd4 Rad8 25.Qf3 Qd6 26.Bf5 h6 27.Rfb1=+ Ng5 28.Qh5 Rb8 29.Qh4 Ne4 30.Qg4 Nf6 31.Qf3 g6 32.Bc2 Ne4 33.Be4 Re4 34.Rb4 Re7 35.a4 Reb7 36.Qg4 Kh7 37.Qh4 Rb6 =. Psion – Psion, 4', 1990.

8.Ne4?! de4 9.Ng1.

8.a3 Ba5 9.0-0 Nc6=+ 10.Na4 Ne5-/+ 11.Ne5 Ne4 12.c3 Qe8 13.Nb2 Nc3 14.dc3 Bc3 15.Ned3 c4-/+ 16.Qc2 cd3 17.Bd3 Bb2 18.Qb2=+ Qe7 19.Rab1 b6 20.Ba6 f5 21.Qe5 Rae8 22.a4 Qf7 23.Qf4 Bc8 24.Bd3= Bd7 25.a5 ba5 26.Qc7 Re7 27.Qa5= Bc6 28.Qc5 Rc7 29.Qd4 Qg6 30.Rfc1 Qd6 31.g3 Ba8 32.Rc7 Qc7= 33.Ra1 Rf7 34.Be2 Bc6 35.Bf3 Qb7 36.h4 Rd7 37.Qe5+= g6 38.Qe8 Kg7 39.Qe5 Kf7 40.Ra5 Bb5 41.h5+= Bc4 42.Kg2 a6 43.h6 Qc6 44.Qg7 Ke6 45.Qd4 Bb5 46.Ra1 Rc7 47.Qh8 Qd7 48.Qg8+= Qf7 49.Qa8 Rc5 50.Rc1?? Rc1-+ 51.Bd5 Ke5 52.f4 Kd6 53.Bf7 Bc6 54.Qc6 Rc6 55.Bg8 Rc7 56.Kf3 a5 57.e4 fe4 58.Ke4 a4 59.g4 Rc8 60.Bf7 a3 61.g5 Rc2 62.Kd3 a2 63.Ba2 Ra2 64.f5 gf5 65.Ke3 Ke5 (65...Ke5 66.g6 hg6-+) 0–1. Sharpe,Richard – Belle, US op St.Paul Minn, 1982.

8.a3 Bc3 9.Bc3 Ne4 10.Rb1 =.

8.Nb5 Ne4 9.Bc7 Qd7 10.a3 c4 11.ab4 Qb5 12.c3 Re8 13.Ra3 =.

8.Nb5 Ne8 9.a4 Nc6 10.c3 Ne5 11.Ne5 Ba5 12.Bd3 a6-/+ 13.Na3 Qg5 14.Nf3=+ Qh5 15.0-0 Nd6 16.Be2 Qh6 17.Rc1 c4 18.Nd4 Ne4 19.Nb1 Rac8 20.d3=+ cd3 21.Bd3 Nd6 22.Qe2 Bd7 23.Qa2 Nc4 24.Bf5 Bc7-/+ 25.g3 Bf5 26.Nf5 Qg5 27.Nd4 Rfe8 28.Rce1 Bb8 29.Na3 Nd6 30.Rc1 h5 31.Rfe1 h4=+ 32.Nf3 Qg4 33.Nh4 Qa4 34.Qb2 Re4 ½–½. Wolf,M – Bondick,Karl Heinz, corr DDR–Cup6, 1981.

8.0-0 d4 9.a3 Ba5 10.ed4 cd4 11.Bd3 =+.

8.0-0 d4 9.ed4 cd4 (worse is 9...Ne5 10.de5 Nd7 11.Qc2+=) 10.Qb3 Re8 11.Bf6 Qf6 (11...gf6?! 12.Re1=) 12.Bd3 Bg4 13.Ne1 Bd6 14.Qb7 (14.h3 Be6-/+) 14...Rab8 15.Qa6 Nb4 16.Qa7 Nd3 17.Nd3 Bh3! 18.f4?? (18.gh3 Qg6 Double attack (18...Qe6 Decoy)) 18...Qg6 19.Rf2 Qd3 20.gh3 (20.Na3 Ba3 21.gh3 Qg6 22.Kh1 Qc6 23.Rg2-+) 20...Re1 21.Kg2 Qe4 (21...Qe4 22.Rf3 Re2 23.Kg3 Qg6 24.Kh4 Qh6 25.Kg4 f5 26.Kf5 Qg6; 21...Qg6 22.Kf3 Qe4 23.Kg4 Rg1 24.Rg2 Qg2 25.Kh4 g5 26.fg5 Qg5) 0–1. Lielmezs,Girts – Polevoy,Nickolay (2185), IECG, 2005.

8.0-0 d4 9.e4?? d3-+ (9...Ne5?! 10.Ne5 Re8 11.Nd3 Ne4 12.Nb4 cb4 13.Bf3-/+) 10.Bf6 Qf6 (10...gf6?! 11.a3 Ba5 12.Re1 de2 13.Qe2-+) 11.Bd3 (11.Nc3 Bc3 12.dc3 de2 13.Qe2 Bg4-+) 11...Qa1 12.a3 (12.Qc2 Nd4 13.Nd4 Qd4-+ (13...cd4?! 14.Rc1=+)) 12...Ba3 13.Qa4 Bb2 14.Qa1 Ba1 0–1. gtate (1885) – memnoch, net–chess.com, 2003.

8.Bb2 Be6 9.cd5 Bd5 10.Nc3 Bf3 11.Bf3 =+.

8.Bb2 h6 9.cd5= Qd5 (9...Nd5 10.0-0=) 10.0-0 (10.Bf6 gf6 11.a3 Ba5=) 10...Qd8 (10...Qf5 11.Nc3=+) 11.d3 (11.Qc2 Qe7=) 11...a6 (11...Bf5 12.Qc2=) 12.Nbd2= b5 (12...Bg4 13.Rc1+=) 13.a4 (13.a3 Bd2 14.Qd2 Bg4+=) 13...Bb7 (13...Bf5 14.ab5 ab5 15.Ra8 Qa8 16.Qc2=) 14.ab5 ab5 15.Nb3 (15.Ra8!? Ba8 16.Qc2=) 15...Ra1=+ 16.Qa1 Qe7 17.Rc1 (17.Bf6 gf6 (worse 17...Qf6 18.Qf6 gf6 19.Rc1+=) 18.Qb2 Ra8=+) 17...Ra8 18.Qb1 Na5 (18...Nd8 19.Nh4 Nd5 20.Nf5=+) 19.Na5 (19.Bf6 gf6 (worse 19...Qf6 20.Nc5 Bc5 21.Rc5+=) 20.Na5 Ra5=) 19...Ra5=+ (worse 19...Ba5 20.Bf6 Qf6 21.Qb5+– (worse 21.Rc5 Bc3 22.Qc2 Ra1 23.Bf1 b4-/+)) 20.Bc3 (20.Qc2!?=+) 20...Bc3-/+ 21.Rc3 Nd5 22.Rb3 b4 23.d4?? (better 23.Qc1-/+) 23...Nc3-+ 24.Qc2 (24.Rc3 bc3 25.Qc1 cd4 26.Nd4-+) 24...Be4 25.Qd2 Qe6 (better 25...Ne2 26.Qe2 Qe6-+) 26.Rb2?? (better 26.Rc3 bc3 27.Qc3-+) 26...Ne2 (26...Bf3 27.Bf1 Ra1 28.Ra2 Qa2 29.Qa2 Ne2 30.Qe2 Be2 31.h4 Rf1 32.Kh2 b3 33.g4 b2 34.e4 b1Q 35.d5 Rf2 36.Kg3 Qg1 37.Kh3 Qg4) 27.Qe2 Bf3 28.Qc2 (28.Qf1 Ra2 29.d5 Qd5 30.Rb1-+) 28...Qg4 29.Kf1 Qg2 (29...Ra1 30.Rb1 Qg2 31.Ke1 Qg1 32.Kd2 Qf2 33.Kd3 c4 34.Kc4 Qc2 35.Kb5 Qc6 36.Kb4 Rb1 37.Ka5 Qb5) 30.Ke1 Qg1 31.Kd2 Qf2 32.Kd3 Qf1 33.Kd2 (33.Qe2 c4! 34.Kc4 Be2 35.Re2 Qe2 36.Kb4 Qb5 37.Kc3 Ra3 38.Kc2 Qc6 39.Kb2 Qc3 40.Kb1 Ra1) 33...Qe2 34.Kc1 Ra1 (34...Qe1 35.Qd1 Qd1) 35.Rb1 Qe3 36.Kb2 (36.Qd2 Qg1 37.Qe1 Qe1 38.Kb2 Qb1) 36…Qa3 0–1. Castro Estrella,Joan Gabriel – Exposito Perez,JM, 35th Obert La Lira, 2017.

8.cd5 Ne5 9.Ne5 Re8 10.f4 Nd7 11.Nd7 Qd7 12.Qb3= Qd6 13.a3 Ba5 14.0-0 Bf5= 15.Rd1 Qg6 16.Ra2 Rad8 17.Bc4 a6 18.a4 Bh3 19.d4 Bg4=+ 20.Rf1 cd4 21.f5 Qd6 22.ed4=+ Bc7 23.Qg3 Qg3 24.hg3 Re4 25.Rc2 Bb6 26.Nd2 Rd4 27.Kh2 Rd6 28.f6 gf6 29.Nf3 f5 30.Ng5 Rh6 31.Nh3 Bc7 32.Ba6-/+ ba6 33.Rc7 Bh3! 34.gh3 Rd2 35.Kg1 Rd5 (35...Rh3 36.Rf5 Rg3 37.Kh1-/+) ½–½. Joensson,M – Wahlund,Stig G, corr SSKK 1–94, 1985.

9.a3!? Ba5 10.Qb3 =+.

9.Qb3 Re8 10.0-0 Rb8 11.Na3 Bf5-/+ 12.Rfc1 Qd7 13.Qd1 Rbd8 14.Qf1 Qe7 15.Nb1 Ng4 16.Kh1 Nge5 17.a3 Ba5 18.Ne5 Ne5 19.ed4 cd4 20.f4 Nd7 21.Bd3 Bd3 22.Qd3 Nc5 23.Qf3 Nb3!! 24.Rg1 Na1 25.Ba1 Qc7 26.f5 Qc4 27.f6 Qc6 28.fg7 Qf3 29.gf3 Re2 (29...Re2 30.Rg2 Re1 31.Rg1 Rg1 32.Kg1 Bb6-+ (< 32...Kg7 33.Kf2-+)) 0–1. Zylla,Johannes – Waechtler,Siegmund, corr, 1998.

9.Qc2 de3 10.fe3= Re8 11.0-0 h6 12.Nc3 a6 13.a3 Ba5 14.Qa4 (14.Qb3 b6=). Blokhuis,J – Van Geemen,Jan, corr, 1980.

9.Qc2 de3 10.fe3 Re8 11.a3 Re3 12.ab4 Nb4 13.Qa4 Nd3 14.Kf1 Nb2 15.Qb5 Rf3 16.Bf3 -+.

9.Qc2 Re8 10.0-0 Qd6 11.Bd3 Ba5 12.a3 Bg4 13.Ng5 g6 14.h3 Rad8 15.hg4 Ng4 16.f4 de3 17.Be2 Nd4 18.Bd4 Qd4 19.d3 Nf2 20.Ra2 Qf4 21.Ne4 Re4 22.de4 Bc7 0–1. purplegadge (1790) – ohaug (1735), gameknot.com, 2014.

9.Qc2 Re8 10.0-0 Bg4 11.a3 Ba5 12.h3 Bh5 13.Qf5 Qb6-/+ 14.Bc1?? Bg6-+ 15.Qg5 Bb1 16.d3 Bc3 17.Bb2 Qb2 (17...Qb2 18.Rab1 Qe2 19.Qc5 de3 20.Rb7 Na5-+) 0–1. Geisler,Robert – Seibt,Friedebert, Germany, 1988.

9.Qc2 Re8 10.0-0 Bg4 11.a3 Ba5 12.h3 Bh5 13.Qf5 Qd6 14.h4 (14.Re1!?-/+) 14...Bg4 15.Qd3 Bc7 (15...Bc7 16.g3 Ne4-+) 0–1. Sorbi,Luca (2000) – Denisov,Timofey (2000), FICGS, 2013.

9.Qc2 Re8 10.0-0=+ Bg4 11.Ba3 Qd7 12.Bb4 Nb4 13.Qb3 d3 14.Bd1 Nc2 15.Bc2=+ dc2 16.Qc2 Bf3 17.gf3 Re5 18.Kh1 Qh3=+ 19.Rg1 Qf3-/+ (20.Rg2 Rg5 21.Qh7 Kh7 22.d4 Qg2) 0–1. Amor Alcaide,Manuel – Ionescu,Constantin (2440), Berga op, 1994.

9.Qc2 Bg4 10.a3 Ba5 11.0-0 =+.

9.ed4? cd4-+ 10.Qb3 Re8 11.Qd3 (11.Kf1-+) 11...Nd7 12.0-0 Nc5 13.Qc2 Re2 14.Na3 (14.Qd1 Re8-+) 14...d3 15.Qd1 (15.Qb1 Bg4 16.Nb5 Bf3 17.gf3 Qg5 18.Kh1 Qh5-+) 15…Ne4 0–1. Tago,Shunnichi – Petruzzelli,Raffaele (2005), WC17/WS70 ICCF, 2009.

9.ed4? cd4 10.Bd3 Re8 11.Kf1 Bg4 12.h3 Bf3 13.Qf3 (13.gf3 Bd6 14.Qc2-+) 13...Ne5 14.Qf5 (14.Qe2-+) 14...g6 (14...Nd3?! 15.Qd3 Bc5 16.Na3-/+) 15.Qf4 (15.Qg5 Nd3 16.Na3 Nb2 17.Nc2-+) 15...Nd3 16.Qe3 de3 17.de3 Nb2 18.Ke2 Qd3 19.Kf3 Ne4 (19...Qf5 20.Kg3 Bd6 21.f4 Re3 22.Kh2 Qf4 23.g3 Qg3) 20.g3 (20.g4 Nf2! 21.Nd2 Re3 22.Kg2 Ng4 23.Rhe1 Qd2 24.Re2 Qe2 25.Kg1 Qf2 26.Kh1 Rh3) 20...Re6 (20...Nf2 21.Nc3 Re3 22.Kf2 Qd2 23.Kg1 Rg3 24.Kf1 Qg2 25.Ke1 Bc3) 21.Kg2 (21.Re1 Be1 22.Nc3 Nd2 23.Kg4 Qf5 24.Kh4 Nf3) 21...Qe2 22.Rf1 Nd3 (22...Rf6 23.Kg1 Rf2 24.Rf2 Qf2 25.Kh1 Ng3) 23.Nc3 (23.Nd2 Bd2 24.Rab1 Rf6 25.Kh1 Ndf2 26.Kh2 Ng4 27.Kg1 Qh2) 23...Bc3 24.Rad1 (24.Rab1 Rf6 25.Rb5 Rf2 26.Rf2 Qf2 27.Kh1 Ng3) 24...Nef2 (24...Rf6 25.Rd2 Nd2 26.Rc1 Rf2 27.Kg1 Nf3 28.Kh1 Rh2) 25.Rde1 (25.Rf2 Qf2 26.Kh1 Re3 27.Rg1 Re2 28.Re1 Qe1) 25...Be1 26.Kg1 Nh3 27.Kh1 Bf2 (27...Qf1 28.Kh2 Qf2 29.Kh3 Qg3) 28.Kh2 (28.Kg2 Bg1 29.Rf2 Qf2 30.Kh3 Qh2 31.Kg4 Qh5) 28...Ng5 (28...Qf1 29.c5 Bg1 30.Kh1 Nhf2) 29.g4 (29.Rf2 Qf2 30.Kh1 Qf1 31.Kh2 Nf3) 29...Qf1 30.e4 Qg1 (30...Nf3) 0-1. Sanjaythiru (2325) - zumpili (2445), Rated Bullet game, lichess.org, 2021.

8.0-0 Nc6 9.d4 c4 10.Ne5 Ne5 11.Be5 Re8 =+.

8.a3 Nh5 9.Bg5 f6 10.Bh4 g5 11.Bg3 Ng3 =.

8.Na3 Nh5 9.Be5 Nc6 10.Bb2 Nf6 11.0-0 Ne4 =+.

8.0-0 Ne4 9.a3 Qf6 10.Ra2 Ba5 11.d3 Nc3 =+.

8.a3 Ba5 9.0-0 Re8 10.d4 cd4 11.Nd4 Nd4 =+.

8.c3 Ba5 (--> 7.c3 Ba5 8.Bf4 Nc6).

8.Bg5 h6 9.Bh4 Re8 10.0-0 Qd6 11.c3 Ba5 =+.

8.0-0 Nh5 9.Bg5 f6 10.Bh4 g5 11.Ne1 Nf4 =.

8.a3 Ba5 9.0-0 Re8 10.d4 Ne4 11.dc5 Ndc5 =.

8.c3 Ba5 9.0-0 Re8 10.Qc2 Bc7 11.Bc7 Qc7 =.

8.0-0 Nc6 9.a3 Qf6 10.Ra2 Ba5 11.c4 d4 =.

8.a3 Ba5 9.0-0 Nc6 10.d3 Nc3 11.Nc3 Bc3 =+.

8.c3 Ba5 9.0-0 Nc6 10.Qc2 Qf6 11.Rc1 g5 =.

8.0-0 Nc6 9.c3 Ba5 10.Qb3 Qe7 11.Bg5 Bb6 =.

8.a3 Ba5 9.0-0 Nc6 10.d4 c4 11.Bg5 h6 =.

8.c3 Ba5 9.0-0 Nc6 10.Qb3 Qe7 11.Bg5 Rfb8 =.

8.Ne5 Nbd7 9.0-0 Ne5 10.Be5 Nd7 11.Bd6 Re8 =+.

8.0-0 Bf5 9.c3 Ba5 10.Qb3 Bb6 11.d3 Nc6 =.

8.a3 Ba5 9.0-0 Nc6 10.d4 cd4 11.Nd4 Nd4 =+.

8.c3 Ba5 9.0-0 Nc6 10.d3 d4 11.cd4 cd4 =+.

8.Ne5 Nbd7 9.Nd7 Bd7 10.0-0 b5 11.c3 Ba5 =+.

8.h3 Ne4 9.c3 Ba5 10.0-0 c4 11.Qa4 Nc6 =+.

8.0-0 Nc6 9.a3 Ba5 10.d4 c4 11.Ne5 Ne5 =+.

8.a3 Ba5 9.0-0 Nc6 10.d4 c4 11.Ne5 Ne5 =+.

8.c3 Ba5 9.0-0 Bc7 10.Bc7 Qc7 11.d4 c4 =+.

8.0-0 Re8 9.a3 Ba5 10.d4 c4 11.Ne5 Be2 =.

8.c3 Ba5 9.0-0 Bc7 10.Bc7 Qc7 11.d4 Nbd7 =+.

8.Bb8 Rb8 9.a3 Ba5 10.0-0 Nf6 11.d4 b6 =+.

8.Be5 Nc6 9.0-0 Nf6 10.Bf4 Ne4 11.a3 Qf6 =+.

8.Bg5 f6 9.Bh4 g5 10.Bg3 Ng3 11.fg3 c4 =.

8.a3 Bc5 9.d3 Be6 10.dc4 dc4 11.Qd8 Rd8 =.

8.c3 Be7 9.d3 cd3 10.Bd3 Nbd7 11.0-0 Ne4 =+.

8.0-0 Ne4 9.Bh4 Qd6 10.c3 Ba5 11.Qc2 Qg6 =+.

8.a3 Ba5 9.0-0 Ne4 10.Bf4 Qf6 11.c3 Re8 =+.

8.a4 Ne4 9.c3 Ba5 10.Bf4 Qf6 11.0-0 c4 =+.

8.c3 Ba5 9.0-0 Ne4 10.Bh4 Qd6 11.Qc2 Qg6 =+.

8.Bf4 Nh5 9.Bg5 f6 10.Bh4 g5 11.Bg3 Ng3 =+.

8.Bh4 Re8 9.0-0 Qd6 10.c3 Ba5 11.Qc2 Bg4 =+.

8.0-0 Ng3 9.fg3 c4 10.Nd4 Nc6 11.a3 Bd6 -/+.

8.a3 Ng3 9.hg3 Ba5 10.c3 Bf5 11.Rh5 Bg6 =+.

8.c3 Ba5 9.0-0 Ng3 10.fg3 Be6 11.Bb5 a6 =+.

8.Bh4 Qd6 9.a3 Ba5 10.0-0 Nc6 11.d3 Nc3 =+.

8.0-0 Ne4 9.Bh4 Qd7 10.a3 Ba5 11.Ng5 Nc6 =+.

8.a3 Ba5 9.0-0 Ne4 10.Bh4 Qc7 11.d3 Nc3 =+.

8.c3 Ba5 9.0-0 Ne4 10.Bf4 Nd7 11.Qc2 Bc7 =.

8.Bf4 Nc6 9.c3 Ba5 10.0-0 Re8 11.Qb3 Qe7 =+.

8.0-0 Ne4 9.c3 Ng3 10.fg3 Ba5 11.Qc2 Nc6 =+.

8.a3 Ba5 9.0-0 Nc6 10.c3 Re8 11.Bb5 Bd7 =+.

8.a4 Ne4 9.c3 Ba5 10.0-0 Ng3 11.fg3 Nc6 =+.

8.c3 Ba5 9.0-0 Nc6 10.Bb5 Bg4 11.Qa4 Bf3 =.

8.h3 Ne4 9.Bf4 Qf6 10.Be5 Qg6 11.c3 Ba5 =+.

8.Bh4 Nc6 9.0-0 Re8 10.a3 Ba5 11.Qc1 Qe6 =+.

8.0-0 Ne4 9.c3 Ng3 10.fg3 Ba5 11.Qc2 c4 =+.

8.a3 Ba5 9.0-0 Ne4 10.Bh4 Qb6 11.d3 Nc3 =+.

8.a4 Ne4 9.c3 Ba5 10.0-0 Ng3 11.fg3 Nc6 =+.

8.c3 Ba5 9.Qc2 Bc7 10.d4 Bb6 11.dc5 Bc5 =.

8.Bf4 Ne4 9.c3 Ba5 10.0-0 c4 11.Qc2 Qf6 =+.

8.Bh4 Nc6 9.0-0 Qd6 10.c3 Ba5 11.Qc2 Bg4 =+.

8.0-0 Nc6 9.c3 Ba5 10.d3 Re8 11.Qc2 d4 =+.

8.a3 Ba5 9.0-0 Nc6 10.d4 Ne4 11.dc5 Qf6 =+.

8.c3 Ba5 9.0-0 Nc6 10.d3 Bc7 11.Bh4 Re8 =+.

8.Bf4 Nh5 9.Be5 Nc6 10.0-0 Ne5 11.Ne5 Nf6 =+.

8.Nh4 Be6 9.a3 Ba5 10.Nf3 Ne4 11.0-0 Ng3 =+.

8.0-0 Ne4 9.Bh4 Qd6 10.a3 Ba5 11.d3 Nf6 =.

8.a3 Ba5 9.0-0 Nc6 10.Bf4 Re8 11.c3 Rc8 =+.

8.c3 Ba5 9.0-0 Bc7 10.Qb3 Bg3 11.fg3 b6 =+.

8.Ne5 Be2 9.Qe2 Nbd7 10.c3 Ba5 11.Qb5 Ne5 =+.

8.Bf4 Bf3 9.Bf3 c4 10.0-0 Bd6 11.Bd6 Qd6 =.

8.Bh4 Nbd7 9.c3 Ba5 10.0-0 Re8 11.Na3 Bc7 =+.

8.0-0 Nc6 9.Bb2 (9.Bf4 Ne4 10.c4 Qf6 11.Na3 Rd8 12.cd5 Rd5 13.Nc4=+; 9.d4 Ne5 10.Ne5 Re8 11.a3 cd4 12.ed4 Be6 13.Qd3=+; 9.Bc3 Bf5 10.Bb5 Nb4 11.Ba4 Rb8 12.Be5 Rc8 13.Nc3=+) 9...Bf5 (9...Re8 10.c4 d4 11.ed4 Qb6 12.Ba3 Nd4 13.Nd4=+) 10.d3 Re8 11.Nbd2 Bc7 12.c4 d4 (12...dc4 13.dc4 Qe7 14.Qa4=+) 13.e4 (13.ed4 Nd4 14.Nd4 cd4=+) 13...Bc8 14.Re1 Qd6 15.Bf1 (15.Bc1 Qe6=+) 15...g5 (15...a6 16.a4=+) 16.g3 (16.Bc1 g4 17.hg4 Bg4=) 16...g4=+ 17.hg4 Ng4 18.Bg2 Nce5 19.Qc2 Qh6 20.Nf1 (20.Rab1 Qh5=+) 20...Nf3 21.Bf3 Ne5 22.Bg2 Bh3 23.Bc1 Qh5 24.Nh2 f5 25.f4 (25.Bd2 Bg2 26.Kg2 Re6=+) 25...Ba5 Black gets strong initiative 26.Re2 Bg2 27.Kg2 Ng4 28.Ng4 Qg4 29.Ba3 Rad8 30.e5 Rd7 31.Rf1 (31.Kf2 Bc3 32.Bb2 Bb2 33.Qb2 Re6=+) 31...b6-/+ 32.Qd1 Rg7 33.Rf3 h5 (better 33...Re6!?-/+) 34.Bc5= bc5 (34...Bc3 35.Qa4 Re6 36.Bd6=) 35.Qa4 Rb8 36.Qa5 Rb1 37.Qc5 h4 (37...h4 38.Qc6 h3 39.Kh2 Rf1 40.Qe6 Kh7 41.Qf5 Qf5 42.Re1 Re1 43.a3 Qg4 44.Re3 de3 45.f5 Qg3) 0–1. Welti,Manfred (2090) – Ribeiro,Vitor Manuel (2245), corr Coppa Latina–6, 2003.

8.Bb2 A) 8...Nc6 9.0-0 (9.a3 Re8 10.0-0 Bf5 11.Nc3 d4 12.Na4 Qd6 13.Re1-/+; 9.Na3 Re8 10.0-0 Ne4 11.Rb1 Qe7 12.c4 d4 13.ed4=+) 9...Bf5 10.c4 dc4 11.Bc4 Nb4 12.a3 Nd3 13.Qb3=+; B) 8...Re8 9.Na3 (9.a3 Bf5 10.0-0 Nc6 11.Nc3 d4 12.Na2 Be4 13.Nc1=+; 9.0-0 Nc6 10.Nc3 Ne4 11.Na4 b6 12.Rb1 Qd6 13.d3=+) 9...Nc6 10.0-0 Ne4 11.Rb1 Qe7 12.c4 d4 13.Nc2=+.

8.Bc3 A) 8...Nc6 9.0-0 (9.Ba5 Qa5 10.0-0 Bf5 11.Nh4 Be6 12.Nf3 d4 13.a4=+) 9...Bc3 10.Nc3 Bf5 11.Bb5 Qd6 12.d4 a6 13.Bc6=+; B) 8...Bc3 9.Nc3 Ne4 10.Rb1 Nc6 11.0-0 Nc3 12.dc3 b6 13.Bb5=+; C) 8...Bc7 9.Bb2 (9.a3 Nc6 10.Bb2 Re8 11.0-0 Bf5 12.Nh4 Qd6 13.f4-/+; 9.0-0 Re8 10.Bb2 Nc6 11.Nc3 a6 12.a4 d4 13.Nb1=+; 9.d4 c4 10.0-0 Re8 11.Nbd2 Nc6 12.Ne5 Qd6 13.a4=+) 9...Re8 10.0-0 Bf5 11.Bf6 Qf6 12.Nc3 Be4 13.Rb1=+; D) 8...Bf5 9.0-0 Nc6 10.Bb5 Rc8 11.d3 Re8 12.Qd2 Bc3 13.Nc3=+; E) 8...Re8 9.0-0 Nc6 10.d4 Bc3 11.Nc3 Ne4 12.Nb1 cd4 13.Nd4-/+.

8.Bb2 d4 =+.

8.Bb2 Re8 9.0-0 (9.a3 Ba5 10.0-0 Bf5 11.Nc3 d4 12.Na2 Be4 13.Nc1 de3 14.de3+=) 9...Bf5 (9...Ba5 10.Bb5 (10.Na3 Ne4 11.Rb1 Qe7 12.c4 d4 13.Nc2 Bf5 14.g4+=; 10.Nc3 Bf5 11.Na4 b6 12.Bb5 Bd7 13.Nc3 a6 14.Be2+=; 10.c4 d4 11.ed4 cd4 12.Re1 Bf5 13.Qb3 d3 14.Bd1-/+) 10...a6 11.Bc6 bc6 12.Na3 Qd6 13.d3 Rb8 14.Rb1+=; 9...Qd6 10.c4 (10.a3 Ba5 11.c4 Bf5 12.Qb3 Rad8 13.Bf6 Qf6 14.cd5+=) 10...dc4 11.a3 Ba5 12.Bc4 Be6 13.Be6 Qe6 14.Qc2=) 10.d3 (10.a3 Ba5 11.Nc3 d4 12.Na2 Be4 13.Nc1 de3 14.de3+=; 10.Nh4 Be6 11.Nf3 Qe7 12.a3 Ba5 13.Bb5 Bc7 14.Nc3+=; 10.c4 d4 11.Re1 d3 12.Bf1 Ba5 13.a3 Qd6 14.Nc3-/+; 10.Bb5 Qd6 11.a3 Ba5 12.d3 a6 13.Bc6 Qc6 14.Nbd2+=) 10...Ba5 (10...Qe7 11.c3 Ba5 12.Nbd2 Bc7 13.Re1 Rad8 14.Qa4+=) 11.Nbd2 Bc7 12.Re1 (12.c4 dc4 13.dc4 Qe7 14.Nh4+=) 12...h6 (12...Rc8 13.Nb3 Bd6 14.Nbd2+=) 13.Bf1 (13.Qb1 Rb8+= (13...d4 14.ed4+=) 14.a4+=; 13.a3 Rb8 14.Nb3+=) 13...Rc8 (13...Rb8 14.a4+=) 14.g3 (14.Qb1 Rb8+=; 14.Rb1+=) 14...b5 (14...d4 15.ed4 Re1 16.Qe1 cd4 17.Bg2+=) 15.Bg2 a5 16.Nb3 Bd6 17.Nh4 Be6 18.e4 (18.a4 b4+=) 18...de4 (18...d4 19.a4 b4 20.f4-/+) 19.de4 Bf8 (19...c4 20.Nd4 Nd4 21.Bd4+=) 20.a4 b4 21.Qd8 Red8 (worse is 21...Nd8 22.Na5 c4 23.Bd4+=) 22.Bf6 gf6 23.Nf3 (23.Rab1 c4 24.Na1 Nd4-/+) 23...c4 24.Nbd2 Ne5 25.Rab1 b3 26.c3 (26.cb3!? c3 27.Nc4 Nc4 28.bc4 Rc4 29.Rbc1-+) 26...Rd3-+ 27.Re3 Rcd8 (27...Rcd8 28.Ne5 fe5-+ (28...Rd2?! 29.Nc6-+)) 0–1. Welti,Manfred (2090) – Craciunescu,Viorel (2160), corr Coppa Latina–6, 2003.

8.Bh2 Re8 9.0-0 d4 10.Bc4 Ne4 11.c3 Ba5.

8.Bh2 Re8 9.0-0 Ne4 10.d3 (10.a3 Qf6 11.Ra2 (11.ab4 Qa1) 11...Ba5=+) 10...Qf6 (10...Nf6 11.a3 Ba5) 11.de4 de4 12.Nbd2 (12.c3 ef3 13.Bf3 Be6=) 12...ef3-/+ 13.Nf3 Be6 14.c4 Rad8 15.Qc2 Bf5 16.a3?? (16.Qb3!? Na5 17.Qa4-/+) 16...Bc3 (16...Bc2!? 17.ab4 cb4 18.Bf4-+) 17.Ra2?? (17.Qa2 Ba1 18.Qa1 Qa1 19.Ra1-+) 17...Rd7 (17...Bc2 18.Rc2 b6 19.Bc7-+) 18.Bf4?? (18.Qb3 Na5 19.Qa4 Red8-/+) 18...h6 (better 18...Bc2!? 19.Rc2 Nd4 20.Nd4 cd4 21.Bg4-+) 19.Rd1?? (19.Qa4 Red8-/+) 19...Red8 (better 19...Bc2 20.Rd7 Bb1-+) 20.Rd7 (20.Qc1 b6=+) 20...Rd7 (better 20...Bc2 21.Rd8 Qd8 22.Rc2 Qa5-+) 21.Nd2?? (21.Qb3 b6=+) 21...Ne5 (better 21...Bc2 22.Rc2 Rd2 23.Rd2 Bd2-+) 22.e4 Be6 The isolani on c4 becomes a target (better 22...Ng6 23.Bh6 gh6=+) 23.Qc3+– Qf4 24.g3 Qf6 25.f4 Nd3 26.Qf6 gf6 Plans Nc1 27.Rc2 (27.Bd3!? Rd3 28.f5+=) 27...Bh3= 28.Kh2 Nf2 29.Nb3 Bg4 30.Nc5 Rc7 31.Bg4 Ng4 32.Kh3 Ne3 33.Rc3 Rc5 The mate threat is Rh5 34.Re3 Rc4 35.Kg4 Kg7 36.Kf5 (36.Kf3 f5 37.ef5 h5=+) 36...Rc5 37.Kg4 b5 38.Rb3 a6 39.Kh4 (39.f5 a5=+) 39...Rc4 (39...f5 40.e5-/+) 40.Re3 Ra4 41.Kg4 Rd4 42.Kf5 Rc4 43.Kg4 Kg6 (43...a5 44.Kf3=+) 44.f5 Kg7 45.Kf4 h5 46.g4 (46.Rb3 Ra4=+) 46...h4 47.g5 (47.Rh3 Rc1-/+) 47...fg5 48.Kg5 h3 (better 48...a5-/+) 49.f6= Kg8 50.Kf5 h2 51.Rg3 Kf8 52.Rh3 Threatening mate: Rh8 52...Kg8 53.Rh2 Rc3 54.Rd2 Rf3 (54...Ra3 55.Rd8 Kh7 56.Rf8 Rf3 57.Ke5+=) 55.Ke5+– Ra3 56.Rd8 Kh7 57.Rf8 b4 (better 57...Kg6+=) 58.Rf7+– Kg8 (58...Kh6 59.Rb7 Kg6 60.Rb4+–) 59.Rg7 Kf8 60.Ke6 Rc3 61.Rf7 Ke8 62.Rb7 The mate threat is Rb8 62...Rc6 (62...Rc8 63.e5 Kf8 64.f7 Rc6 65.Kd7+–) 63.Kf5 a5 (63...Rc1+–) 64.e5 Rc1 65.f7 (65.e6 Kd8 66.e7 Kc8 67.e8Q Kb7 68.Qb5 Ka7 69.Qa5 Kb7 70.Qb5 Ka7 71.f7+–) 65...Kf8 66.e6 Rf1 67.Ke5 Re1 68.Kd5 Rd1 69.Kc5 Rc1 70.Kb5 (better 70.Kb6!? Rc8 71.Rc7 Rb8 72.Ka7 Re8 73.fe8R Ke8+–) 70...Rc8 71.Ka5 b3 72.Rb3 Ke7 73.Re3 Rb8 (73...Rc5 74.Kb4 Rf5 75.Kc4+–) 74.Ka6 (better 74.Rg3!? Ra8 75.Kb5 Ke6+–) 74...Rb1 75.Rg3 Re1 76.Rg6 (76.Rg6 Re5 77.Kb7 Rb5 78.Kc6+–) 1–0. Labahn,Wolfgang – Meier,David Geffrey, Germany, 1997.

8.Bh2 Re8 9.0-0 Bf5 10.c3 (10.a3 Ba5 11.Ra2 (11.c3 a6 12.Bf4 d4 13.cd4 cd4 14.Bc4 b5 15.Bb3-/+; 11.Bf4 Bc7 12.Bc7 Qc7 13.Re1 d4 14.Bb5 de3 15.Re3=+) 11...a6 12.d4 c4 13.Rb2 b5 14.Ne5 Ne5 15.Be5=+; 10.Bf4 Rc8 (10...Ba5 11.c3 Bc7 12.Bc7 Qc7 13.d4 c4 14.Nbd2 Qa5 15.Qc1=+) 11.c3 Ba5 12.Bg5 h6 13.Bh4 Bb6 14.Bb5 c4 15.d4=+; 10.Nh4 Be6 11.c3 Ba5 12.Nf3 Ne4 13.Qb3 Qe7 14.d3 c4 15.Qc2=+) 10...Ba5 11.Qb3 (11.Bf4 Bc7 12.Bc7 Qc7 13.d4 c4 14.Nbd2 Qa5 15.Qc1=+; 11.Nh4 Be6 12.Nf3 Ne4 13.Qb3 Qe7 14.d3 c4 15.Qc2=+; 11.a3 Qb6 12.Ra2 d4 13.Bc4 Bb1 14.Qb1 dc3 15.dc3=) 11...Qd7 12.d3 (12.Bb5 c4 13.Qa4 Bc7 14.Bc7 Qc7 15.d4=+) 12...d4 13.cd4 cd4 14.e4 Rac8 (14...Be6 15.Qb2=+) 15.Bd1 (15.Qb2=+) 15...Be6 16.Qb2 Bc7 17.Bc7 Rc7 18.Na3 (18.Ba4 Rd8=) 18...a6=+ 19.Rc1 Bh3 (19...Rec8!?=+) 20.gh3= Qh3 21.Qd2 Ne4 (21...Qg4 22.Kh2 Qh5 23.Kg2 Qg4 24.Kh1 Qh3 25.Kg1 Qg4 26.Kh2 Qh5 27.Kg1 Qg4=) 22.de4 (22.Qf4 Re6 23.de4 Rg6 24.Ng5 h6= (worse 24...Qa3 25.Qc7 Rg5 26.Kh2+–)) 22...Re6 23.Qf4 h6 (better 23...Rg6!? 24.Ng5 h6= (worse 24...Qa3 25.Qc7 Rg5 26.Kh2+–)) 24.Nh2+– Qa3 (24...Rg6!? 25.Bg4 Re7+–) 25.Qc7+– Qc1 26.Qc8 Kh7 27.Bg4 (27.Qb7?! Ne5 28.Kh1 Qf4=) 27...Qg5 28.f4 (28.f4 Qe7 29.Bf5 Rg6 30.Kh1+–; 28.Qb7?! Qg6 29.Kh1 Re4+=) 1–0. Kocandrle,Jaroslav (2140) – Howes,Tony, TE.2004.P.01713, 2004.

8.Bh2 Re8 9.c3 Ba5 10.0-0 Ne4 11.Qc2 Qf6.

8.Bh2 Bf5 9.c3 Ba5 10.0-0 Qe7 11.Na3 a6.

7.Bb2 Re8 8.0-0 Bg4 9.d3 Nbd7 10.Nbd2 Bd6 11.Rb1 b5 12.h3 Bh5 13.Re1 a6 14.g4 Bg6 15.g5 Nh5 16.h4 c5 17.Nf1 (17.Nh2 Qc7 18.Nhf1 c4 19.dc4 dc4=) 17...d4 (17...Bf5!?=) 18.N3h2+= de3 19.Bh5 ef2 20.Kf2 Re1 21.Ke1 Bh5 22.Qh5 Qa5 23.Kf2 Qa2 24.Qd1 Re8 25.Nf3 Nb6 26.N3d2 Na4 27.Ba1 Bf4 (27...c4 28.Kg1+=) 28.Rb3 Nb6 29.Bb2 Qa5 30.Ne4 c4 31.Qg4 (31.Bc3 Qa2 32.dc4 Nc4+=) 31...Nd5 (31...b4 32.Nf6 gf6 33.gf6 Bg5 34.Rb4 h6 (34...Qb4?? 35.Qg5 Kh8 36.Qg7) 35.hg5 hg5+– (35...Qb4 36.gh6 Kh7 37.Qg7)) 32.dc4+/- bc4 33.Rb7 c3 34.Qf5 Bc7 35.Ba3 Rd8 (35...Qa3 36.Qd5 Qe7 37.Nfg3+–) 36.Bc5 (36.Bd6 Rd6 37.Nd6 Qc5 38.Kg2 Qd6 39.Qc8 Qf8 40.Rc7 Nc7 41.Qc7 Qa8 42.Kg3 f5+–) 36...g6 (36...Qa2 37.Bd6! g6 38.Qe5 Qc2 39.Kg1 Qe4 40.Qe4 (40.Bc7 Re8 41.Qe4 Re4-/+) 40...Bd6 41.Kf2+– (41.Qd5 Bh2 42.Nh2 Rd5+/-)) 37.Qf3 Qa4 38.Kg1 Qc6? (better is 38...Bf4+–) 39.Nf6 Kg7 40.Rc7 Qc7 41.Bd4 (41.Nd5 Qc5 42.Nde3 Qd4=+) 41...Kf8 (41...Qc4 42.Qe4 Kf8 43.Nh7 Kg8 44.Qe5+–) 42.Nd5 Qc4 43.Qf6 Rd5 44.Qh8 Ke7 45.Bf6 Kd6 46.Qd8 Kc5 47.Qc7 Kb5 (47...Kb4 48.Be7 Kb5 49.Qb7 Ka5 50.Ne3 Rd1 51.Nd1 Qg4 52.Kf2 Qf4 53.Qf3 Qh4 54.Kg2+–) 48.Qb7 Kc5 49.Ne3 Qa2 (49...Rd1 50.Nd1 Qg4 51.Kf2 Qh4 52.Kf1 Qh3 53.Ke1 Qg3 54.Nf2 Qe3 55.Kf1 Qf2 56.Kf2 Kd6+–) 50.Be7 (50...Kd4 51.Kf2+– (51.Qd5?! Qd5 52.Nd5 Kd5+–; 51.Nd5?! Qd5 52.Bf6 Kc5 53.Qc7 Kb5 54.Qc3 Qc5 55.Qc5 Kc5+–)) 1–0. Bendig,Frank – Pommerel,Wim, TKM/FINAL, 2003.

7.c3 Be7=+ 8.Qc2 Nbd7 9.d4 Re8 10.Nbd2 Nf8 11.h3 Bd6 12.Bd3 Be5 13.Ne5 N6d7 14.Ndf3 Ne5 15.Ne5 f6 16.Nf3 Be6 17.Nh4 Qd7 18.g4 b6 19.g5 fg5=+ 20.Nf3 Qe7 21.Rg1 h6 22.Ne5 c5 23.h4 g4 24.Ng4=+ Bg4 25.Rg4= cd4 26.cd4 Rac8 27.Qb3 Qe6 28.Rf4 Rc7 29.Kd2 Rf7 30.Rf7 Qf7 31.Rf1 Kh8 32.f4 Qe7 33.Rf3 Rd8 34.Rh3 Qd7 35.f5 Nh7 36.Rg3 Qd6 37.Rg2 Nf6 38.Qa4 Qe7 39.a3 Re8 40.Rg3 Rc8 41.Qa6 Qc7 42.Ke2 Re8 43.Kf2 h5 44.Qb5 Qc3 45.Kf3?? Qd2-+ 46.Kf4 Qf2 (46...Qf2 47.Kg5 Qg3#) 0–1. Wasser – Schmid,J, Edinburgh SCO, 1992.

8.Bb2 Bd6 9.a4 Re8 10.c4 Ne5 11.cd5 Nf3 12.Bf3 Nd5 13.Bd5 cd5 14.Bd4 Qh4 15.f4 Bg4 16.Qb3 b6 (better is 16...Be2!? 17.Rc1 Bc4=) 17.Nc3+= Rad8 18.Qb5 White prepares a5 (worse is 18.Qd5 Bf4 19.g3 Rd5 20.gh4 Rd4 21.Rf4 Rf4 22.ef4 Bd7+=; 18.Nd5?! Be6 19.g3 Qh5=) 18...Re6 19.Rf2 (19.Nd5 Rh6 20.h3 Bh3-+) 19...Bf8 20.a5 Rh6 21.g3 Qh5 22.ab6 ab6 23.f5 (worse is 23.Bb6 Rb8 24.Ra6 Bf5+=) 23...Bf3 24.f6 (24.Bb6 Rb8 25.Nd5 Bd5 26.Qd5 Rhb6-+) 24...Qg4 (worse is 24...gf6 25.Qb6 Rc8 26.Qb7+/- (worse is 26.Bf6 Qh3 27.Rf3 Qh2 28.Kf1 Qh1 29.Ke2 Qa1-/+)) 25.Be5 (25.Bb6? Qg3 26.Kf1 Rb8 27.Nd5 Qh3 28.Ke1 Rg6-+; 25.Qb6 Qg3 26.Kf1 Rh2 27.Rh2 Qh2-+) 25...Qh5 (25...gf6 26.Bf4 Rh5 27.Qb6+=) 26.Qb6+/- Re8 27.Qc7 Bb4?? (better is 27...gf6 28.Bd6 Bd6 29.Qd6 Kg7+/-) 28.Ra4+– d4 (28...Bc3 29.Bc3 Bd1+–) 29.Rb4 de3 (29...gf6 30.Bd4 f5 31.Rb8+–) 30.de3 Rf6 (30...gf6 31.Rb8 Qe5 32.Qe5 fe5 33.Re8 Kg7 34.Rf3+–) 31.Bf6 gf6 32.Rb8 Bc6 33.Re8 Be8 34.Ne4 Kg7 35.Qd8 Ba4 36.Qf6 Kg8 37.Nd6 Bd7 38.Rf1 h6 (38...Be8 39.Ne8 Qg6 40.Qd8 Kh8 41.Nd6 Kg7 42.Qd7 h5 43.Rf7 Qf7 44.Qf7 Kh6 45.h3 h4 46.g4 Kg5 47.Qg7) 39.Qd8 Kh7 (39...Kg7 40.Qd7 Kh8 41.Nf7 Kh7 42.Ng5 Kg6 43.Qf5 Kg7 44.Qh7) 40.Qd7 Kg8 (40...Qf3 41.Rf3 h5 42.Rf7 Kh6 43.Qe6 Kg5 44.Rg7) 41.Qe8 Kh7 42.Rf7 Qf7 43.Qf7 Kh8 44.Ne8 h5 45.Qg7 1–0. forsetinn (2425) – gluv51 (2040), gameknot.com, 2015.

8.Bb2 Bd6 9.d3 Qb6 10.Qc1 Qc7 11.Nbd2 Ne5 12.c4 Nf3 13.Nf3 Qe7 14.Rb1 dc4 15.Qc4 Rd8 16.a4 Nd5 17.a5 Be6 18.Qd4 f5 19.Qa4 b5 20.Qc2 c5 21.Be5 Be5 22.Ne5 Qd6 23.Qb2 b4 24.Bf3 Rac8 25.Bd5 Bd5 26.f4 Rb8 27.Ra1 Rb5 28.a6 Rb6 29.Rfc1 Ra6 30.g4 fg4 31.e4 Ra1 32.Ra1 Bf7 33.Ra7 Rf8 34.Ra1 Qf6 35.Qf2 Be6 36.Ra6 b3 37.Nc4 Qe7 38.Nb2 c4 39.dc4 Bc8 40.Ra1 Qe4 41.Re1 Qg6 (41...Qg6 42.Re7 Be6-+; 41...Qf4?! 42.Qf4 Rf4 43.Re8 Rf8 44.Re3=+) 0–1. Pagano,Nunzio – Luzuriaga,Norberto Horacio, OCC–2002–01–11, 2003.

8.c4 dc4 9.Bc4 Nb6 10.Bb3 Re8 11.d4 Be6 ½–½. Zala,G (2070) – Kiraly,Z2 (2070), FSFMA March Budapest HUN, 2011.

8.Bf4 Re8 9.d4 Ne4 10.c4 g5 11.Qb3 Bf8 12.Bg3 h5 (12...Ng3!? 13.hg3 g4=) 13.cd5+= c5 14.Bb5 a6 15.Bd7 Bd7 16.Nbd2 (16.dc5 Nc5 17.Qc3 Bg4=) 16...Nd2 17.Nd2 h4 18.Be5 f6 19.d6 Kg7 20.f4 (20.Qb7 fe5 21.dc5 Qc8+=) 20...fe5+= 21.fe5 Be6 22.Qb7 Qd7 23.Qf3 Qf7 (23...cd4 24.Ne4 Qf7 25.d7 Qd7 26.Qf6 Kg8 27.Qg5 Qg7 28.Nf6 Kh8 29.Qh4 Qh6 30.Rf4+–) 24.Qf7 (24.dc5 Qf3 25.Nf3 Bd5+–) 24...Bf7 25.Ne4 (25.dc5?! Re5 26.Rac1 Ba2=) 25...cd4 26.ed4 Bc4 27.Rfc1 Bg8 28.Ng5 Kg6 29.Nf3 Bh6 30.d7 Be3 31.Kh1 Red8 32.Rc6 Kf5 33.Rf6 Ke4 34.e6 Bd4 35.Re1 Be3 36.Nh4 Ke5 37.Rg6 (37.Re3 Kf6 38.g4 Be6 39.g5 Kg5 40.Re6 Kh4 41.Re4 Kh5 42.Re5 Kg4 43.Re4 Kf5-+) 1–0. Parry,Andrew – Law,Stephen (1870), IECG, 2004.

8.Bf4 Nh5 9.Bg5 f6 +=.

9.Nc3 Bd6 =+.

9.d3 b6 10.Nbd2 a6 11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Qc7 =.

9.d3 Nb6 10.a3 Bd6 11.a4 Bg4 12.Nbd2 Qe7 13.a5 Nbd7 14.c4 Nc5 =.

9.d3 Nb6 10.a4 Bg4 11.a5 Nbd7 12.a6 ba6 13.Ra6 Qc8 14.Ra1 Bd6 =+.

9.d3 Nb6 10.a4 Bg4 11.Nbd2 Qe7 12.a5 Nbd7 13.a6 Rab8 14.Re1 Bd6 =+.

9.d3 Nb6 10.a4 Bg4 11.Nd4 Be2=+ 12.Qe2 Bd6 13.Nf5 Be5 14.Be5 Re5 15.Qf3 g6 16.Ng3 Re8 17.Nc3 Nfd7 18.Rfb1+= Ne5 19.Qf4 Rb8 20.a5 Nc8 21.Nge2 Nd6 22.h3 f5 23.Qg3+= Qf6 24.Ra2 Re7 25.Ra3 Rbe8= 26.Nd4 (26.Nf4 Rd7=) ½–½. Woelfelschneider,Peter – Malmstroem,Jan, T16–01 TSC, 2002.

9.d3 Bd6 10.Nbd2 Nc5 11.c4 Bf5 12.cd5 cd5 13.Nb3 b6 14.Nbd4 Bd7 =.

9.d3 Qe7 10.Nbd2 Bd6 11.c4 Nc5 12.Rc1 Bf5 13.Nb3 Nb3 14.Qb3 dc4 15.Qc4 Be6 16.Qc2 Nd5 17.a4 Rad8 18.a5 Nb4 19.Qd2 Qc7 20.Ra1 c5 21.Qc3 f6 22.d4 Na2 23.Qc2 Nb4 24.Qc3 Bd5 25.dc5 Qc5 26.Rfd1 Qc6 27.Rd5 Nd5 28.Qb3 Re4 29.Nd4 Qc5 30.Bf3 Re5 31.Nb5 Rf5 32.Ba3 (32.Ba3 Bh2 33.Kh2+–; 32.Nd6?! Qd6 33.e4 Rf3 34.gf3 Qb4+–) 1–0. Milde,Lars – Schulz,Hans_Juergen, TT–12.26 ETC, 2004.

8.a3 Ba5 9.d3 Nbd7 10.Bb2 Bc7 11.Nbd2 Nc5 12.Nb3 Na4 13.Qc1 Bg4 14.Re1 a6 15.h3 Bh5 16.Ne5 Re8 17.Bh5 Nh5 18.Nf3 Qd6 19.Rb1 b5 20.c4 bc4 21.dc4 Rab8 22.c5 Qe7 23.Nbd4 Rbc8 24.Nc6+= Qd7? 25.Ncd4 Nc5= 26.Qd1 Ne4 27.Rc1 Ba5 28.Rf1 Rc1 29.Qc1 Rc8 30.Qd1 Nhf6= 31.Nb3 Bb6 32.Bd4 Bd4 33.Nbd4 Rc3 34.Qa1 Qc7 35.Qb2 h6 36.Ra1 Nd7 37.Nd2 Nd2 38.Qd2= Qc4 39.Qb2 Qc7 40.Qd2 Qc5 41.Qb2 Nb6 42.g3 Qc7 43.a4 Nd7 44.a5 Nf6 45.Qb6 Qc8 46.Kg2 Ne4 47.h4 Kh7 48.Qb1 g6 49.Qb4 Qd8 50.f3 Rc4?? 51.Qb7 Rc7 ½–½. Morgenstern,Frank (1735) – Bertram,Thomas (1980), Blankenburg op–A, 2005.

8.Bb2 Nbd7 9.a3 Be7 10.d4 Ne4 11.Nbd2 Nd2 12.Qd2 Qb6 13.Rfb1 Nf6 14.Bd3 Bd6 15.h3 Ne4 16.Qe1 h6 17.c4 Nf6?? (better is 17...Qb3 18.Qe2 Bf5=) 18.c5+– Bh2 (18...Qc7 19.cd6 Qd6 20.a4+–) 19.Nh2 Qc7 20.Nf3 Qd7 21.Ne5 Qc8 22.Qf1 Ne4 23.Rd1 Rb8 24.Nf3 b6 25.cb6 ab6 26.Rdc1 c5 27.Be4 (better is 27.dc5!? bc5 28.Bd4 c4+–) 27...de4 28.Nd2 Bd5 29.a4 Qd8 30.Ba3 Re8 31.dc5 bc5 32.Bc5 Rc8 33.Bd4 f6 34.a5 Rc1 35.Qc1 (worse is 35.Rc1 Qa5 36.Qd1 Qa6+–) 35...Qd7 36.Qb2 Qd6 37.a6 Rb8 38.Qa3 Ra8 (38...Qd7+–) 39.Qd6 (39.Qd6 Bb3 40.Nb3+–) 1–0. Van Esbroeck,Dirk – Van Esbroeck,Jeff, OP–2008–0-00670, 2008.

8.a3 Bd6 9.Bd6 Qd6 10.d4 Bf3 11.Bf3 Qe6 12.Nd2 Nbd7 13.Rb1 =.

8.Bb2 Nbd7 9.d4 Qc7 10.Nbd2 Bd6 11.h3 Bh5 12.c4 Ne4 13.Rc1 (13.c5 Be7=) 13...Nd2 14.Nd2 Bg6 (better 14...Be2 15.Qe2 Qa5=) 15.cd5+/- Nb6 (15...Rab8!?+/-) 16.dc6+- bc6 17.Bf3 Rac8 18.Rc6 Qe7 19.Qc1 (19.Re1 Rc6 20.Bc6 Bb4+/-) 19...Rc6+/- 20.Qc6 Rc8 21.Qb5 Rc2 22.Rd1 h6 (22...Bb4 23.Bc1+/-) 23.a4 (better 23.a3+/-) 23...Nd7? (better 23...Na4 24.Qa4 Rb2+/-) 24.Nc4+- Nf6 25.Ne5 (25.Qb3 a6+-) 25...Be5 (better 25...Be4!?+-) 26.de5 Nd7?? (26...Nh7+-) 27.Rd7 (27.Rd7 Qe8 28.e6+-) 1-0. BeepBeepImAJeep - Imagirl1989, lichess.org, 2017.

8.c3 Bd6 9.d4 Bf3-/+ 10.gf3 Be5 11.de5 Nfd7 12.f4 Qh4 13.Bg4 Nb6 14.Nd2 Na4 15.Kh1 Nc3-+ 16.Qf3 Na4 17.Rg1 Na6 18.Qg2 g6 19.Nf3 Qh6 20.f5 c5 21.e6 Rae8 22.ef7 Rf7-/+ 23.Qg3 gf5?? 24.Bh5+– Rg7 25.Qg7 Qg7 26.Rg7 Kg7 27.Be8 Nc3 28.Bd7 Nb4 29.Rg1 Kf6 30.Ng5 h6 31.Nh7 Kf7 32.Bf5 Nba2 33.Bc8 b5 34.Rg4 Ne4 35.Rf4+– Ke7 36.Bb7 Kd6 37.Nf6 Nac3 38.Nd5! Nd5 39.Re4 h5 40.Bd5 Kd5 41.Re7 a5 42.f4 a4 43.f5 a3 44.f6 a2 45.Ra7 Ke6 46.Ra2 Kf6 47.Ra5 h4 48.Rb5 c4 49.Rc5 c3 50.Kg2 (50.Kg2 c2 51.Kh3+–) 1–0. arturo – WaterDragon, ChessWorld.net, 2008.

8.d4 Nbd7= 9.a3 Be7 10.Bf6 Nf6 11.Nbd2 Re8 12.c4 Rc8 13.Qb3 =.

8.d4 Re8 9.a3 Be7 10.Bf6 Bf6 11.Nbd2 Qe7 12.Re1 c5 13.Rb1 =.

8.h3 Bf3 9.Bf3 Nbd7 10.Bb2=+ Re8 11.Nc3 Ne5 12.a3 Bd6 13.Be2 =+.

8.h3 Bh5 9.d3 Nbd7 10.Bf4 Qe7 11.Nbd2 Bc3 12.Rb1 b5 13.Nb3 c5 14.Nc1 b4 15.Nd2 Be2 16.Ne2 Be5 17.Nf3 a5 18.Ne5 Ne5 19.c3 Nc6 20.Qc2 a4 21.Rfc1 Rfc8 22.cb4 Nb4 23.Qd2 a3 24.Ng3 Qe6 25.d4 Ne4 26.Ne4 de4 27.Rc5 Nd3 28.Rc8 Rc8 29.Bg3 f5 30.f3 h6 31.fe4 fe4 32.Rb5 +=. Fernandez Fornes,Juan Alberto – Schuehler,Ernst, corr 3GMM½–04, 2000.

7.0-0 Re8 8.d4 (8.Bf6 Qf6 9.Nc3 Ne7=+) 8...Bg4 (8...Ne4!?-/+) 9.c3=+ Ba5 (9...Ne5? 10.de5 Be7 11.ef6 Bf6 12.Qc2+-) 10.Qd3 (10.Bf6!? Qf6 11.Qc2=) 10...Bf3-/+ 11.Bf3 Ne5 12.de5 Re5 13.Nd2 c6 14.Nb3 Bc7 15.Nc5 (15.Rab1 Ne4-/+) 15...Qe7 16.Nb7?? (better 16.Nb3-/+) 16...Bb6-+ 17.c4 Qb7 18.cd5 Nd5 (18...cd5 19.a4-+) 19.Bd5 (19.Qc4 Rb8-+) 19...Rd5 20.Qb3 Qd7 21.Rad1 Rd8 22.Rc1 Qe6 23.Qb1 R8d6 24.Rc4 Rd1 25.Rc1 (25.Rd1 Rd1 26.Qd1 Qc4-+) 25...Rc1 26.Rc1 Qa2 (better 26...Rd2 27.Qb3 Ra2 28.Qe6 fe6-+) 27.Kh1 (better 27.Qa2 c5 28.Qa4+-) 27...Qd5 (better 27...Qf2 28.Rf1 Qe2 29.Qf5-+) 28.Qa1 Qe4 29.Qa6 Qd3 (better 29...h6 30.Qe2-+) 30.Qa1 (30.Qd3 Rd3 31.g3 c5-+) 30...Qe2 31.h3 (31.Rb1 Rd2 32.Rg1 Qf2-+) 31...Rd2 (better 31...Qf2 32.Rf1 Qe2-+) 32.Re1 (32.Qe5 g6 33.Qe8 Kg7 34.Qe5 f6 35.Qe7 Kh6 36.Qf6 Qf2 37.Qf2 Rf2 38.Rc6 Be3 39.g3-+) 32...Qf2 33.Rg1 Be3 (33...Be3 34.Qb1 Bb6 35.Qa1 Qg1 36.Qg1 Bg1 37.Kg1 a5 38.Kh1 a4 39.Kh2 a3 40.Kg3 a2 41.Kf4 a1Q 42.Kg5 Qf6 43.Kg4 Rg2 44.Kh5 Qg5) 0-1. Eti,Lui - Williams,John, NZL NZCCA Handicap, 1992.

7.a3 Be7 8.Bb2 Bf5 9.0-0 Qd6 10.Nc3 a6 11.Re1 Rad8 12.d4 b5 13.Bd3 Bg4 (13...Ne4 14.Nd2 Qg6 15.Ne2=) 14.h3= Bh5 15.g4 Bg6 16.e4? (better 16.Nh4=) 16...de4-+ 17.Ne4 Ne4 18.Be4 Bf6 (better 18...Be4!? 19.Re4 f5 20.gf5 Rf5-+) 19.c3=+ Na5 20.Qc2 (20.Nd2 Bg5 21.Bg6 Qg6=+) 20...Nc4=+ 21.Nd2 Nb2 (21...Nd2 22.Qd2 c5 23.Bg2=+) 22.Qb2= Qf4 23.Qc2 (23.Bg6 hg6 24.Re4 Qd6=) 23...Bh4 (23...c5 24.Bg6 fg6-/+) 24.Rf1? (better 24.Re2=+) 24...Rde8-+ 25.Bg6?? (better 25.Rae1 Re6 26.Re2-+) 25...fg6 (25...hg6?! 26.Qd3-/+) 26.Nb3 (26.Ne4 Re4 27.Rad1 h5-+) 26...Qf3 27.Nc5 (27.Nc1-+) 27...Re2 28.Qd3 Bf2 (28...Bf2 29.Rf2 Qf2 30.Kh1 Qg2) 0–1. nizef (1880) – festis (1905), gameknot.com, 2015.

7.c3 Ne5 8.cb4 Nf3 9.Bf3 c6 (9...Qd6 10.a3+=) 10.d4 Qd6 (10...a5 11.Qb3+=) 11.Qa4= Bg4 12.Nd2 Rfe8 (12...Bf3 13.Nf3 Nd7 14.0-0=) 13.0-0 (13.Bg4 Ng4 14.Nf3 f5=) 13...a6 (13...b5 14.Qa5=) 14.a3 (14.Bg4 Ng4 15.Nf3 Re6=) 14...Bf3 (14...Bf5 15.Rfc1=) 15.Nf3 Ne4 16.Qc2 (16.Rfc1 Re7=) 16...a5 17.Rab1 ab4 18.ab4 Ra3 19.Ne5 (19.Qb2 Ra6=) 19...Rea8+= 20.b5 c5 21.Rfc1 (21.Nc4 dc4 22.Qe4 cd4 23.ed4 Qd7+=) 21...Ra2 (21...Qe6 22.Nf3 c4 23.Qb2-/+) 22.Rb2= Ra1 (better is 22...Rb2 23.Qb2 f6=) 23.f3? (better is 23.Ra1 Ra1 24.Rb1 Rb1 25.Qb1 cd4 26.ed4=) 23...cd4-+ 24.ed4 (better is 24.fe4 Qe5 25.Rbb1 Rb1 26.Qb1 de3 27.Qa2-+) 24...Qa3 25.Rbb1 (25.Kf1 Qe3 26.Nd3 Qd3 27.Qd3 Rc1 28.Ke2 Nc3 29.Kf2 Nd1 30.Kg3 Nb2 31.Qd2+=) 25...Qe3 26.Kh1 Nf2 (26...Qd4?? 27.Qc8 Rc8 28.Rc8) 27.Qf2 Qc1 (27...Qc1 28.Rc1 Rc1 29.Qg1 Raa1-+) 0–1. Bouma,Jan – Schwertel,Gottfried, corr TKM/A007, 1999.

7.Bf4 Re8 8.0-0 Bf5 9.d4 Ne4 10.c4 Bc3 =.

7.Bg3 Ne4 8.c3 Ng3 9.fg3 Bc5 10.0-0 Re8 11.Nd4 (11.Bd3 Ne5 12.Ne5 Re5 13.Bh7 Kh7=) 11...Qe7 (11...Nd4 12.cd4 Bd6 13.Nc3=+) 12.Bf3 Qe5 13.Nc6 bc6 14.Qa4 Qe6 15.Na3 Rb8 (15...a5 16.Bh5 Re7 17.Be2=) 16.Rab1 (16.Nc2 Bd7=) 16...Rb1=+ 17.Rb1?? (better is 17.Nb1 Re7 18.Be2=+) 17...Be3!-+ 18.de3 (18.Kf1 Bd2 19.c4-+) 18...Qe3 19.Kf1 Bf5 20.Rd1 (20.Qd4 Bd3 21.Be2 Qe2 22.Kg1 Bb1 23.h3 Qa2 24.Nb1 Qb1 25.Kh2-+) 20...Bd3 21.Rd3 (21.Be2 Be2 22.Ke1 Bd3) 21…Qe1 0–1. Palik,Franciszek – Diener,Rudolf, corr ICCF T625/19–S, 1975.

8.Ne5 Bd6 9.Nf3 Bf5 10.c4 dc4 11.Bc4 c5 12.Nc3 a6 13.a4 Qc7 14.Re1 (14.d3 b6=+) 14...Rad8 15.e4 (15.Rc1 Ng4 16.h3 Bh2 17.Kf1 Ne5=+) 15...Bg4-/+ 16.g3 (16.h3 Bh2!? 17.Kh1 Be5=+) 16...Be5 17.Re3? (better is 17.Rc1-/+) 17...Bd4-+ 18.Qe2 Be3 19.de3 Qc6 20.Nd5?! Nd5 21.Bd5 Rd5! 22.ed5 Qf6 (22...Qf6 23.Rc1 Bf3-+; 22...Qd5?! 23.Kg2-+) 0–1. Wantoch_Rekowski,Jacek – Kuperski,Marek, corr 1. AMM Poland, 1993.

8.Ne5 Bd6 9.Nf3 Bg4 10.d4 Ne4 11.c4 dc4 12.Bc4 Qf6 13.Bd3 Ng5 14.Nbd2 Qh6 15.h3 Bh5 16.Rb1 b6 17.Be2 Nf3 18.Bf3 Bf3 19.Nf3 Rae8 20.Nh2 (20.Qa4 Qg6=) 20...f5 21.Qb3 Kh8 22.Rfc1 f4 23.Ng4 Qh4 24.Rc2 (24.ef4 Re4=+) 24...f3 25.Qd5 fg2 26.Qg2 Re6 27.Rb3 (27.f4!?=+) 27...Rg6-/+ 28.e4 Bf4 29.Rf3? (better 29.e5 h5 30.Rc7 hg4 31.Rd3-+) 29...h5-+ 30.Rc7 (30.Rg3 Qd8 31.Rd3-+) 30...hg4 31.Rc8 Rc8 (31...gf3 32.Rf8 Kh7 33.Rh8 Kh8 34.Qg6 Qh3 35.Qg3 Bg3 36.fg3 Qg2) 32.Rf4 Qh3 33.Qh3 gh3 34.Kh2 Rc2 (34...Rh6!? 35.e5-+) 35.Kh3 Ra2 36.d5 Rd2 37.Rf3 Rf6 (37...a5!? 38.Rf7-+) 38.Kg3 Rf3 (38...a5 39.Rb3-+) 39.Kf3 Kg8 40.Ke3 Rd1 41.f4 (41.Ke2 Rh1 42.f4 a5-+) 41...Kf7 (41...Re1 42.Kd4-+) 42.Ke2 Rd4 43.Ke3 Rb4 44.e5 g6 45.Kf3 a5 46.Kg4 (46.d6-+) 46...a4 47.d6 Ke6 48.Kg5 a3 49.Kg6 Rf4 (49...Rf4 50.Kh6 a2 51.d7 Rd4 52.Kg5 a1Q 53.d8N Rd8 54.Kf4 Qd4 55.Kg3 Qe3 56.Kh4 Rg8 57.Kh5 Qg5) 0-1. PeterRs (2320) - bobby fissure (2180), ChessWorld.net, 2006.

8.Ne5 Ne4 9.c4 Re8 10.Nf3 (10.d4 Bd6 11.cd5 Be5 12.de5 Re5=) 10...dc4 11.Bc4 c5 12.a3 Ba5 13.Qb3 Nd6 14.Be2 (14.Bd5 Be6 15.Be6 Re6+=) 14...Bd7 15.Nc3 Rc8 16.d4 (better is 16.Qd5!? Qf6 17.Rfc1+=) 16...cd4-+ 17.Na2? (better is 17.Nd5 de3 18.Ne3-+) 17...de3 18.fe3 Bb6 19.Kh1 Re3 20.Qb2 Qe7 21.Bd1 (21.Rae1 Re8 22.Nc1 Ne4-+) 21...Bb5 22.Rg1 Ne4 23.Nd4 (23.g3 Be2! 24.Be2 Re2 25.Qe2 Ng3 26.Rg3 Qe2 27.Nb4-+) 23...Bd4 24.Qd4 Nf2# 0–1. Neumann,Frank (1650) – Teske,Heike (2170), RSS7E–97 remoteschach.de, 2009.

8.Ne5 Re8 9.Nf3 Bf5 10.a3 Ba5 11.c3 c6 12.Qb3 Rb8 13.Nd4 Bg6 14.d3 c5 15.Nc2 b5 16.Nd2 c4 17.dc4 dc4 18.Qb2 Qd2 19.Bd1 Bd3 20.Re1 Ne4 21.Qc1 Qf2 22.Kh1 Bc3 0–1. guest101 – Bonetti,Shane, ICC, 2002.

8.Bb2 d4 =+.

8.Bf6 gf6 9.d4 Be7 10.0-0 +=.

8.Bf6 Qf6 9.Nc3 Rd8 10.0-0 Bf5 11.d4 a6 12.Bd3 Be7 13.Bf5 Qf5 14.Qd3 Qd3 15.cd3 b5 16.Rfc1 Na5 17.Rc2 c5 18.dc5 Nb3 19.Raa2 Nc5 20.Ne5 d4 21.ed4+= Rd4 22.Nc6= Rd7 23.d4 Bf6 24.dc5 Bc3+= 25.Rc1 Rc8 26.Rac2 Rc6 27.Rc3 Rd5 28.f4 Kf8 29.Kf2 Ke7 30.Ke3 Re6 31.Kf2 Kd7 (32.g4 Rd2 33.Kg3 Kc6=). Hanison,Bernard – Rudbeck,Joergen, corr ICCF TT–4–90 SF, 1995.

8.Bf6 Qf6 9.d4 Bf5 10.Nc3 Rad8 11.0-0 Bb6 12.Na4 Ba5 13.Nc5 Rb8 14.Bd3 Bg4 15.h3 Bf3 16.Qf3 Qf3 17.gf3 Rfd8 18.Rfb1 Bb6 19.Na4 Na5 20.Kf1 Rd6 21.f4 Rbd8 22.Rb4 Nc6 23.Rb5 Rh6 24.Kg2 Na5 25.Rab1 Rc6 26.Nb6 ab6 27.R1b4 Rc3 28.Ra4 Kh8 29.f5 Kg8 30.Kg3 Rc6 31.f3 Kh8 32.e4 Rcd6 33.e5 Rh6 34.Raa5 ba5 35.Rb7 Rc6 36.Ra7 Kg8 37.Ra5 Kf8 38.a4 Ke7 39.Rb5 Ra6 40.Rb7 Raa8 41.Rc7 Rd7 42.Rd7 Kd7 43.Bb5 Kd8 44.Bc6 Ra5 45.Kf2 h5 46.Kg3 Kc7 47.Bb5 Ra8 48.Kh4 Rc8 49.c4 dc4 50.Bc4 f6 51.f4 Kb6 52.Bf7 fe5 53.fe5 Rd8 54.Kh5 Rd4 55.e6 Re4 56.Kg6 Re5 57.h4 Ka7 58.h5 Kb6 59.Kg7 Rf5 1–0. COMP – COMP, 2002.

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

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

7.Bb2 Bf5 8.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bd6).

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

8.0-0 Be6 9.d3 b5 10.d4 Rb8 11.Ne5 Qe8 12.Nd2 Ne4 13.Ne4 de4 14.Nc6 Qc6 15.Qd2 f5 16.Bb4 a6 17.Bd6 cd6 18.Rfb1 Rfc8 19.Qb4 Qb6 (19...Qc2 20.Qd6 Ba2 21.Re1+=) 20.Qd2 Bc4 21.a4 Be2 22.Qe2 b4 23.a5 Qb5 24.Qb5 Rb5 25.Ra2 Kf7 26.Kf1 g5 27.Ke2 f4 28.h4 h6 29.hg5 hg5 30.Rb3 Ke6 31.Rab2 Kd5 32.Kd2 Rcb8 33.g3 (33.Rb1!?-/+) 33...fe3 34.fe3 Kc4 (34...Ra5?! 35.Rb4 Rh8 36.c4 Ke6 37.Rb6-/+) 35.c3 bc3 (35...Ra5?! 36.Rb4 Rb4 37.Rb4 Kd5 38.c4 Kc6 39.c5 dc5 40.dc5 Rc5 41.Re4=) 36.Rc3 Kd5 37.Rb5 Rb5 38.Kc2 Ra5 39.Kb2 g4 40.Rc7 Ra4 41.Kb3 Ra1 42.Rg7 Re1 43.Rg5 Kc6 44.Kc4 d5! 45.Kb4 (45.Rd5 Rc1 Deflection (45...Rc1 Decoy; 45...Re3 Zwischenzug)) 45...Rb1 (45...a5!? 46.Ka5 Re3 47.Rg6 Kd7 48.Kb4 Rg3 49.Kc5-+) 46.Kc3-/+ a5 47.Rg4 (47.Rg6 Kb5 48.Rg5 Rc1 49.Kd2 Rg1 50.Rd5 Kb4-+) 47...a4 (47...Rd1 48.Rg6 Kb5 49.Rd6 Rd3 50.Kc2-+) 48.Rg7-/+ Rb3 49.Kd2 Rb2 50.Kc3 Re2 51.Kb4 Re3 0–1. marekt – sergegr, gameknot.com, 2014.

8.0-0 Bf5 9.Qc1 Re8 (9...Ne4 10.Qb2 Nc3 11.Nc3=) 10.Qb2= Rb8 11.Bf6 gf6 (11...Qf6 12.Qf6 gf6 13.Rc1=) 12.Nc3+= Be7 13.Qb3 Be6 14.Nb5 d4 (14...a6 15.Nbd4 Nd4 16.ed4=) 15.Qb2 de3 16.fe3 a6 17.Nbd4 Ne5 (better is 17...Nd4!? 18.Nd4 c5+=) 18.Ne5+– (18.Ne5 fe5 19.Ne6 fe6 20.Qe5+–) 1–0. aspasio (2550) – jboger (2130), net–chess.com, 2012.

7.0-0 Be5 8.Ne5= d4 9.Bc4 Qd6=+ 10.Nf7 Rf7-+ 11.Bf7 Kf7 12.ed4 Qd4 13.c3 Qd6 14.d4 Bd7 15.Qb3 Be6 16.Qb7 Bd5 17.Qb4 Qf4 18.c4 Qd4 19.Nd2 Nbd7 20.Nb3 Qh4 21.Qd2 Bc4 22.Rfc1 Ne5 23.Qd4 Qg5 24.Rc3? Nh5?? 25.g3?? Rd8=+ 26.Qe3 Qf5 27.Nd4=+ Qf6 28.Rac1 ½–½. Nebe,Lutz (1690) – Kroneberger,Werner (1870), Stadtmeisterschaft, 2001.

7.0-0 Bg4 8.Bd6 Qd6 =.

7.Bb2 c6 8.d3 Bf5 9.0-0 Re8 10.Nbd2 Qc7 11.Bf6+= gf6 12.c4 Nd7 13.cd5 cd5 14.Qb3 Be6 15.Rfb1 b6 16.d4+/- f5 17.Bb5 Nf6? 18.Rc1+– Qe7 19.Be8 Re8 20.Ne5 Nd7 21.Nc6 Qg5 22.Na7 Kh8 23.Nf3 Qh6 24.Rc8 Rc8 25.Nc8 Bb8 26.Nb6 Bd6 27.Nd7 Bd7 28.a4 f4 29.ef4 Qf4 30.Qd5 Bg4 31.Ne5 (31.Ne5 Be5 32.Qe5 Qe5 33.de5+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.Bb2 Re8 8.0-0 Bg4 9.h3 Bf3 10.Bf3 c6 11.d4 Nbd7 12.c4 Ne4 13.cd5 cd5 14.Be4 de4=+ 15.Qb3 Re6 16.Nc3 Rc8 17.Rfc1 Nb6 18.Nb5 Bb8 19.d5 Rg6 20.Nd4 Rc1 21.Rc1 Qg5 22.g4 h5 23.f4 ef3 24.Nf3 Qd8 25.Bd4 hg4-/+ 26.hg4 Qd7 27.Kf2 Qg4 28.Rg1=+ Bg3 29.Ke2 Rh6 30.Rf1 Qf5 31.Rg1=+ Rh2 32.Nh2= Qf2 33.Kd3 Qg1 34.Bb6 ab6 35.Ng4 Qf1 36.Kd2 Be1 37.Kc1 Bb4 38.Qd1 Ba3 39.Kc2 Qg2 40.Kc3 f5 41.Qb3 Qb2 (41...Qb2 42.Qb2 Bb2 43.Kd3 fg4-+; 41...fg4 42.d6 Kf8 43.Qa3 Qc6 44.Kd3 Qd5 45.Ke2 Qg2 46.Kd1=) 0–1. Labahn,Thomas – Branding,G, corr QTV, 1991.

7.Nc3 Be5 8.Ne5 c5 9.d4 Qc7 10.0-0 a6 11.Bf3 Be6 12.Na4 c4 13.Nc5 Nbd7 14.Ned7 Nd7 15.Ne6 fe6 16.e4 de4 17.Be4 Rad8 18.Qe2 Nf6 19.c3 Nd5 20.Qc2 h6 21.Rfe1 Rf6 22.a4 Rdf8 23.f3 b6 24.Bd5 ed5 25.Re5 Qc6 26.Rae1 Rg6 27.R1e3 Rd6 28.Re7 ½–½. Eigenmann,Walter – Huettmann,Wolfgang (2030), ICCF Jubilee P161 email, 2001.

7.d4 Qe7 8.0-0 Nbd7 9.Bd6 Qd6 10.c4 dc4 11.Bc4 Nb6 12.Bb3 c5 13.Nc3 Bg4 14.h3 Bh5 15.g4 Bg6 16.Rc1 (16.g5 Nh5=) 16...cd4 (16...c4 17.Bc2=+) 17.Qd4 Qd4 (17...Qe7!?=) 18.Nd4 Rfd8 19.Ncb5 (19.f4 Bd3 20.Rfd1 Bc4+/-) 19...a6 20.Nc3 Rac8 21.Nce2 Bd3 22.Rc8 Rc8 23.Rc1 Rc1 24.Nc1 Bc4 25.Kg2 Kf8 26.Kf3 Nfd7 27.Bc4 Nc4 28.Ke4 b5 29.Kd5 Nb8 (29...Nce5 30.g5=) 30.Ncb3 Ke7 31.Nc6 Nc6 32.Kc6 Ne5 (32...Nb2 33.Nc5+=) 33.Kb6+/- Nd3 34.f3 Nb4 35.Nc1 Nc2 (35...Kd6!?+=) 36.Ka6+/- Ne3 (36...b4 37.e4+/-) 37.Kb5+- Nd5 (37...Nc2 38.Ne2+-) 38.a4 1-0. Villegas,P (2365) - Bures,Vi (2115), Titled Tuesday, 2021.

8.c4 dc4 9.Bc4 Nc6 10.d3?? Ne5-+ 11.Nc3 Nc4 12.dc4 Be6 13.Qd3 Bh2! (13...Bh2 14.Kh2 Qd3-+) 0–1. Nielsen – Paltrinieri, corr ICCF TT–4–90, 1990.

8.d4 Nc6 9.Nc3 Be5 10.de5 Ng4 11.Qd5 Qd5 12.Nd5 Nge5 13.Ne5 Ne5 14.Ne7 Kh8 15.Rab1 Rb8 (15...b6 16.Nc8 Rac8 17.Rfd1=) 16.f4 (16.Nc8 Rfc8 17.Rfd1 Re8+=) 16...Bg4 17.Bd1 Bd1 18.Rfd1 Nc4 19.Rd7 b6 20.Ra7 (20.e4 Na3 21.Rc1 a6+=) 20...Ra8= 21.Rc7 (better is 21.Ra8!? Ra8 22.Nd5=) 21...Ra2-/+ (21...Ne3?! 22.Rb6 Ra2 23.Rc5=) 22.Nd5 Rc2 23.Nb6 Ne3 24.Nd7 Ra8 (24...Ng2?? 25.Nf8 Nf4 26.Ne6 Nh3 27.Kh1+–) 25.g3 c4 26.Ne5 h6 27.Re1? (27.Re7 Kh7 28.Nf7 Nf5-+) 27...Raa2 28.Nf3 Rg2 29.Kh1 Rge2 30.Re2 Re2 31.h3 Rc2 32.g4 c3 33.Ne5 Rc1 34.Kh2 c2 35.Nd7 g5 36.fg5 hg5 37.Nf6 Rf1 38.Rf7 Rf6! 39.Rf6 c1Q (39...c1Q 40.Kg3 Qe1 41.Kf3 Nd5 42.Rf8 Kg7 43.Rf5 Qe3 44.Kg2 Nf4 45.Rf4 gf4 46.Kh1 f3 47.g5 Qg5 48.Kh2 Qg2#) 0–1. Ravasz,Laszlo Jr (2210) – Lizak,Peter (2260), HUN–chT2 Charousek, 2009.

8.d4 Nc6 9.Nc3 Be7 10.dc5 Ne5 11.Ne5 Bc5 12.Bf3 Be6 13.h3 Rc8 14.Ne2 Qc7 15.Nd3 Bb6 16.c3 Ne4 17.Rc1 Qc4-/+ 18.Rc2 Bf5 19.Bg4 Nf2 20.Nf2 Bc2 21.Qc2 Rce8 22.Nd1 Be3 23.Kh1 Bb6 24.Bf3 Re5 25.Nb2 Qa2 26.Nc1 Qa5 27.Ncd3 Re3 28.Nb4 Qb5 29.Rd1 Rd8 30.Qd2 d4 31.c4 Qa5 32.N2d3 Ree8 33.Bb7= Qh5 34.Bf3 Qf5 35.Nd5+/- Rc8?? 36.Bg4+– Qe4 37.Bc8 Rc8 38.Re1 ½–½. Hasangatin,Ramil – Ramirez,Al, Moscow Aeroflot Open, 2003.

8.Bd6 Qd6 9.d4 cd4 10.Nd4 Nc6 11.Nc3 Nd4 12.Qd4 Bf5 13.Rfd1 Bc2 14.Rd2+= Bf5 15.e4 Ng4 16.Bg4 Bg4 17.Nd5 Rfd8 18.f3 Be6? 19.Nf6!+– gf6 20.Qd6 Rd6 21.Rd6 Rc8 22.Rb1 b6 23.a3 Rc3 24.a4 Ra3 25.Rb4 a5 26.Rbd4 Bb3 27.Rf6 Ba4 28.Rb6 Bb3 29.Kf2 a4 30.g4 Ra2 31.Kg3 Re2 32.h4 Kg7 33.Kf4 Rf2 34.h5 h6 35.Rdd6 Bd1 36.Rd1 a3 37.Ra6 a2 38.Ra1 (38.Ra1 Rc2 39.R1a2+–) 1–0. Sopermi (2185) – wtigre (1955), ajedrez21.com, 2001.

8.d4 Nc6 9.Bd6 Qd6 10.c4 Bf5 =.

8.d4 Ne4 9.c4 c6 10.Qb3 Be5 11.Ne5 Qc7 (11...Nd7 12.Nf3 Ndf6 13.h3=) 12.f3 (better is 12.cd5!? cd5 13.Qd5+–) 12...Nf6 (12...dc4!? 13.Qc4 Nf6=) 13.Nc3 Be6 14.Rab1 Re7 15.Rfc1 Qd8 16.cd5 cd5 17.Na4 Nbd7 18.Nd7 (18.Qa3 Nb6=) 18...Nd7 (18...Bd7 19.Rc3=) 19.Rc3 (19.Qb7 Nb6 20.Qa6 Bc8+/-) 19...Nf6 20.Rbc1 Rc8 21.Nc5 Rec7 (better is 21...Rcc7!?+= and Black can hope to live) 22.Nb7+/- Rc3 23.Rc3 Rc3 24.Nd8 Rb3 25.ab3 Bd7 26.Nb7 Kf8 27.Nc5 Bc6 28.Bd3 Ke7 29.Kf2 Kd6 30.e4 Ne8 31.Ke3 f6 32.ed5+– Bd5 33.Bh7 Nc7 34.Bd3 Bf7 35.Bc4 Bg6 36.Ne4 Kc6 37.Nc3 Bc2 38.h4 a5 39.g4 Bh7 40.f4 Kd7 41.f5 Ke7 42.Kf4 Ne8 43.g5 g6 44.Nd5 Kf8 45.Nf6 (45.Nf6 Nd6 46.Nh7 Kg7 47.fg6 Kg6 48.Nf6+–) 1–0. Tyle,Vladimir (1935) – Hamrnik,Jan (1895), Klatovy op–A, 2002.

8.0-0 Bf5 9.c4 Nc6 10.cd5 Nd5 11.Nc3 =. Matochin – Smirnov, SU 1967.

8.c4 Be6 9.Qc2 Nc6 10.a3 a6 11.Ng5 d4 12.0-0 h6 13.Nf3 Be5 14.Ne5 Ne5 15.ed4 cd4 16.d3 Qd6 17.h3 Rac8 18.Qd1 b5 (18...Bf5 19.a4 Rfe8 20.Na3+=) 19.cb5= ab5 20.Nd2 Nd5 21.Bd4 Nc3?? (better is 21...Nf4 22.Be3 Ned3+=) 22.Bc3+– Rc3 23.Ne4 Qd4 24.Nc3 Qc3 25.Qc1 Qd4 26.Qe3 Rd8 27.Qd4 Rd4 28.Rab1 Ra4 (28...Bd7 29.Rfc1+–) 29.Rb5 Nd7 30.Ra1 g6 31.Rb4 (31.Rb4 Rb4 32.ab4+–) 1–0. Kuehnemund,Lutz (1920) – Apel,Wolfgang (1785), Berlin Lichtenberger op 7th, 2008.

9.Nc3 Re8 =+.

9.c4 dc4 10.Na3 c3 11.dc3 Qe7 12.Nb5 Bb8 13.c4 Bg4 =.

9.c4 d4 10.ed4 cd4 11.d3 Re8 12.Nbd2 Bc7 13.Nb3 Bg4 14.Nbd4 Qe7 15.Re1 Ba5=+ (15...Ba5 16.Qb3 Be1 17.Re1 Nd4 18.Nd4 Rad8-/+). Klein,J – Moucka,J Dr., corr ICCF EU/M/Gr/800 (year?).

9.c4 Be6 10.d3 Qe7 11.Nbd2 Rad8 12.cd5 Nd5 13.Ne4 Rfe8 =.

9.d3 Qb6 10.Bf6+= gf6 11.Nc3 Ne7 12.Rb1 Qa5 13.Qd2+/- b6 14.d4 c4 15.Nb5 Qd2 16.Nd2 Bb8 17.Bf3 Be6 18.Nc4! a6?? 19.Nb6+– Bh2 20.Kh2 Rab8 21.Nc7 1–0. b4_player – opponent, gamecolony.com, 2007.

9.d3 Re8 10.Nbd2 Bg4 11.h3 Bh5 12.Rb1 b6 13.Re1 h6 14.Nf1 Qe7=+ 15.Qd2 Rad8 16.Bd1 Ne5 17.N1h2 Nf3 18.Nf3 Qe6 19.a4 Bc7 20.Qc3 Re7 21.Be2 Qd6 22.g4 Bg6 23.Bf1 Qc6 24.Qb3 Qd6 25.Bg2 Ne8 26.Rbd1 f6 27.Nh4 Bf7 28.f4 g6 29.Qa3 Kh7 30.Nf3 Ng7 31.Qa1 Ne8 32.d4 Qe6 33.dc5 bc5 34.Qa3 Ba5 35.Bc3 Bc3 36.Qc3 Qb6 37.Rb1 Qc7 38.Rb5 Rc8 39.Reb1 Nd6=+ 40.R5b2 Ne4 41.Qe1 Qc6 42.Bf1 Rd8 43.Bd3 d4 44.ed4= cd4 45.Rb8 Rb8 46.Rb8 Bd5 47.Qb4 Nc5 48.Nd4 Qd6 49.Bg6+/- Kg6 50.Nf5 Qe6 51.Rb5 (51.Rb5 Rb7 52.Qc5 Qe1 53.Kh2+/-) 1–0. Valenta,Vit (2230) – Hlavac,Rudolf (2125), Open Tatry, 2002.

9.h3 Be6 10.Ng5 h6 11.Ne6=+ fe6 12.Nc3 a6 13.a4 e5 14.Bf3 e4 15.Be2 Bc7 16.d3 Qd6=+ 17.g3 Ba5 18.Kg2 Qe5-/+ 19.Ra3 Bb4 20.Rb3 Qe6 21.Ba1 Bc3 22.Bc3 d4 23.Bd2 Rab8 24.Qb1 Rf7 25.Rb6 Nd5-/+ 26.Bg4 Qg6 27.Rb3 Ne5 28.Be2 Nf3 29.Qd1 Rbf8 30.Bf3 ef3-/+ 31.Kh2 Rf5?? 32.e4+– Rh5 33.Rh1?? Rh3!-+ 34.Kg1 Rh1 35.Kh1 Qh5 36.Kg1 Qh3 37.Qf1 Qh5 38.ed5+/- Rf5? 39.Rb7+– Rd5 40.Re7 Qg4 41.Qe1 Rf5 42.Qe6 Kh8 43.Bh6! gh6 44.Qc8 Qg8 45.Qf5 (45…Qg3 46.fg3 f2 47.Kf2 c4 48.Qf8#) 1–0. Cebolla Moll,Ricard – Barberan Perez,Guil, 4. open internacional, 1994.

9.Bc4 Nc6 10.0-0 Bg4 11.d3 Ne5 12.Nbd2 Nc4 13.Nc4 b5 14.Nd6 Qd6 15.Be5 Qe6 16.Qb3 Bf3-/+ 17.Qe6 fe6 18.gf3 Nd7 19.f4 Ne5 20.fe5 Rad8 21.Rfd1 Rd5 22.d4 Rfd8 23.Rab1 a6 24.Rbc1 cd4 25.Rd4 Rd4 26.ed4 Rd4 27.Rc6 Ra4 28.Re6 Kf7 29.Rb6 Ra2 30.Kg2 Re2 31.Ra6 Re5 32.Rb6 g5 33.Kg3 h5 34.f4 Re3-+ 35.Kf2 gf4 36.Rb5 Kg6 37.Rd5 h4 38.Rb5 h3 39.Ra5 Kf6 40.Rb5 Rc3 ½–½. Suess,Stefan – Schirmer,Michael, corr, 1986.

9.Bc4 Nc6 10.h3 Re8 11.0-0 Ne5 12.Ne5 Be5 13.Be5 Re5 14.d3 b6 15.Nd2 Bb7 16.Nf3 Re7 17.Qe2 Nd5 18.Qb2 Qd6 19.e4 Nf4-/+ 20.Qd2 Rd8 21.Rad1 Bc6 22.Qe3 Ne6 23.Nh4 Nd4-/+ 24.f4 Ba4 25.Rd2 Kf8 26.Qg3 Bd7 27.Nf3 Be6 28.Be6 Nf3 29.Qf3 Re6 30.g4 Qd4-/+ 31.Rff2 ½–½. Sternik,Ryszard – Laber,Seweryn, corr 1. AMM Poland, 1990.

9.0-0 Be6 10.Na3 Re8 11.d3 a6 12.Qb3 Nb4 13.Nc2 =+.

9.Na3 Be6 10.0-0 Re8 11.Rb1 Nb4 12.Nb5 Bf5 13.Bf6 =+.

9.d4 cd4 10.Nd4 dc4 11.Bc4 Re8 12.Nd2 Bg4 13.Nc6 =.

9.Bf6 Qf6 10.Nc3 dc4 11.Ne4 Qe7 12.Nd6 Qd6 13.Bc4 =+.

10.0-0 Bf5 11.Nc3 Nc3 12.Bc3 Qc7 13.Rc1 Rad8 14.Qb3 Rfe8 (14...Be4 15.Kh1=+) 15.Qb2= Ne5 16.Ne5 (16.Be5 Be5 17.d4 Bd6=) 16...Be5 17.Be5 Qe5 (17...Re5? 18.d4 Red5 19.Bf3+–) 18.Qb7 Rd2 19.Bb5 Rb2 20.a4 Bd3 21.Qa7 Bb5 22.Rc5 (22.ab5 Rb5 23.Rfd1 Reb8=) 22...Rf2=+ 23.Rb5 Rf1 24.Kf1 Qh2 25.Qd4 h6 (25...Qh1 26.Kf2=+) 26.Kf2 (26.Qf4 Qh1 27.Kf2 g5=) 26...Re6 27.Qd8 (27.Rf5 Qc7 28.Rc5 Qb8=) 27...Kh7 28.Qd3 g6 29.Qd4 Rd6 30.Rd5 Rc6 31.Rc5 Rc5 32.Qc5 Qh4 33.Kf3 Qa4 34.Qd5 Qa7 35.g4 Qe7 36.Qd4 h5 37.gh5 gh5 38.Kg3 Qg5 39.Kh2 Kg6 40.Qe4 Qf5 41.Qe7 Qf2-+ 42.Kh3 Qf6 43.Qa3 Qf5 44.Kg2 Qg4 45.Kf2 h4 46.Qd6 Qe6 47.Qb8 f6 48.Kf3 Qf5 49.Kg2 Qe4 50.Kf2 Kg5 51.Qc7 Kg6?? (better is 51...f5-+) ½–½. Miltner,A – Kuhn,Wilfried, M181D BdF, 1994.

10.0-0 Bf5 11.Nc3 Nc3 12.Bc3 Qc7 13.g3 Rad8 14.d4 cd4 15.Nd4 Bh3 16.Re1 Ne5 17.Rc1 b6 18.Bf1 Bf1 19.Rf1 Qd7 20.f4 Ng4 21.Qf3 Bc5 22.Rcd1 Rfe8 23.Rfe1 h5 24.h3 Nf6=+ 25.Nb3 Qh3 26.Rd8 Rd8 27.Bf6 gf6 28.Kf2 Rd3 29.Rh1 Qg4 30.Rh5 Be3 31.Kg2 Qf3 32.Kf3 Bc5 33.Ke4 Re3 34.Kd5 Bf8 35.Kc6 Rg3 36.Kb7 Rg2 37.Ka7 Ra2 38.Kb6 Ra4 39.Rh3 Rf4 40.Kc6 Rf5 41.Rc3 Kg7 42.Nd4 Ra5 43.Nb3 Re5 44.Nd4 f5 45.Nf3 Ra5 46.Kb6 Ra3 47.Ra3 Ba3 48.Kb5 Kf6 49.Kc4 Bb2 50.Kd3 Ke6 51.Nd2 Ke5 52.Nc4-/+ Kd5 53.Nb2 ½–½. Schaefer,Dirk (2020) – Dammer,Axel (2065), remoteschach.de, 2004.

10.0-0 Bf5 11.d3 Nf6 (11...Ndb4 12.Ne1+=) 12.Nbd2= b5?? (12...Re8 13.Nc4=) 13.Rc1?? (13.e4 Be6 14.e5 Ne5 15.Ne5 Re8+–) 13...Rc8 (better is 13...Re8=) 14.e4+/- Bg4 15.e5 Bf3 16.Nf3 (16.ed6 Be2 17.Qe2 Qd6 18.Bf6 Qf6+= (worse is 18...gf6 19.Ne4 Qe6 20.Rc5+/-)) 16...Ne5 17.Ne5 Be5 18.Be5 Re8 Black intends c4 19.Bf6 Qf6 20.Bg4 Rc7 21.Re1 Rd8 22.d4! c4 (22...cd4 23.Rc7 Pinning (23.Rc7 Deflection); 22...Rd4 23.Re8 mate Mate attack; 22...Qd4 23.Qd4 Combination) 23.d5 g6 24.Re3 Rc5 25.Bf3 a6 26.a3 Kf8 27.Qd2 Rc7 28.g3 (28.a4 Rc5+–) 28...h5 (28...Kg8 29.Rce1 Kg7 30.Bg2+–) 29.Kg2 Rc6? (29...Kg8 30.Rce1+–) 30.Rce1 (better is 30.Qb4!? Rcd6 31.a4 Kg7 32.ab5 Rb8+–) 30...Rcc8 31.Be4 Qg5 (31...Kg8 32.Qa5+–) 32.Qc3 Kg8 33.h4 Qg4 (33...Qh6 34.Qf6 Ra8 35.d6+–) 34.Qf6 Ra8 (34...Rf8+–) 35.d6 (better is 35.f3 Qd7 36.Bg6 Re8+–) 35...Rab8 (35...Qe6 36.Qe6 fe6 37.Ba8 c3 38.Re6 Kg7+–) 36.Bd5 1–0. Williams,Barry M – Atkinson,John WH, NZCCA HT corr New Zealand, 1998.

10.0-0 Bg4 11.Nc3 Nf6 12.d4 cd4 13.Nd4 Be2 14.Nce2 (worse 14.Qe2 Nd4 15.ed4 Re8=+) 14...Ng4 15.h3 Nge5 16.Nf5 Bc7 17.Qa4 Qg5? (better 17...Qd2 18.Be5 Be5+=) 18.Neg3+- h5?? (better 18...Qf6 19.f4 Nf3 20.gf3 Qb2+-) 19.f4 Qg6 20.fe5 h4 (20...Rfe8 21.Rad1 Ne5 22.Qc2+-) 21.Qc6! bc6 (21...bc6 22.Ne7 Double attack; 21...Qc6 22.Ne7 Double attack (22.Ne7 Decoy)) 22.Ne7 Kh7 23.Ng6 fg6 24.Ne4 1-0. gameoverbro (2395) - dfsal (2340), Rated Blitz game, lichess.org, 2016.

10.Qb3 Bc7 11.Nc3= Ndb4 12.Ne4 Qe7 13.d3 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.0-0 Be6 17.Qb1 Rab8 18.f4+= Qc7 19.Rc1 b6?? 20.Qb4!!+– 1–0. mtra – eggnog, internet, 2002.

10.Qb3 Be6!? 11.Na3 Na5 -/+.

11.Nc3 Nc3 12.Bc3 Rc8 =+.

11.Nc3 Nc3 12.Bc3 Qe7 13.Qc2 =+.

11.d3 Qb6 12.Qc1 Rac8 13.Nbd2 Bb8 14.Rb1 Qa5 15.a3 b6 16.Nc4 Qa6 17.Ba1 f6 18.Qb2 Qb7 19.Ncd2 Qf7 20.Ne4 Rfd8 21.Rfd1 Rd7 22.Rd2 Rcd8 23.Rbd1 Qh5 24.Ng3 Qh6 25.Qb5 Nce7 26.d4= Bd6 27.Qb1 Bf7 28.e4 Bg3 29.hg3 Nc7 30.d5 Ng6 31.Nh2 Nf8 32.f4 Rd6 33.Ng4+= Qg6 34.Kf2 Be8 35.Ne3+– b5 36.Bd3 Qf7= 37.Nf5 Rb6 38.Qb2 Bd7= 39.Ne3 Rdb8 40.Qc3 Qe7 41.Bc2 Ne8 42.e5 c4 43.d6 Qf7+/- 44.Kg1 a6 45.Nd5 R6b7 46.Re1 fe5 47.Ne7 Kh8 48.fe5 Qh5 49.Rd4 Be6? 50.Rh4 Qg5?? 51.Bb2 Re7 52.Bc1 Qh4 53.gh4 Rf7 54.Be4 g6 55.Rf1 Rf1 56.Kf1 Ng7 57.Bg5 Kg8 58.Qd4 b4 59.ab4 Rb4 60.Bd5 Rb5 61.Be6 Nge6 62.Qc3 Rc5 63.Be3 Rc6 64.Ke2 Kf7 65.Kd1 Nd7 66.Kc1 Nec5?? 67.Qc4 Kf8 68.Bh6 (68.Bh6 Ke8 69.Qg8 Nf8 70.Bf8+–) 1–0. Kretschmar – Puechl, Karl–Marx–Stadt, 1956.

11.d3 Qb6 12.Qc1 Rfe8 13.Nbd2 =+.

11.d3 Qb6 12.Qd2 =+.

11.d3 Rc8 12.Nbd2 b5 13.Ne4= f5 14.Nfg5 Bf7 15.Bh5 g6 16.Nd6+= Qd6 17.Be2 f4 18.e4 Nf6 19.Nf3 Rfe8 20.Qc2 a6 21.Qc3 Re6 22.Rfc1 c4? 23.Ng5+– (23.Ng5 b4 24.Qc4+– (24.Nf7 bc3 25.Nd6 cb2 26.Nc8 Nd4=+); 23.dc4?! b4 24.Qb3 Ne4= (< 24...Re4 25.Qc2+/-)) 1–0. Trokenheim,Marek – Hjortstam,Kurt, corr priv, 1993.

8.0-0 Nbd7 9.Nd4 Be6 (9...Be2 10.Qe2 Be5 11.f4 Bd4 12.Bd4=+) 10.c4 c5 (10...Nb6 11.Na3=) 11.Ne6 fe6 12.Qc2 Qe7 13.Nc3 a6 14.f4 d4 15.Ne4 de3 (15...Ne4 16.Qe4 Nf6 17.Qd3=) 16.Nd6 Qd6 17.de3 e5 Opening the d-file gets White a lot of play 18.g4 (18.Bf3 ef4 19.ef4 Qc7+=) 18...ef4= 19.g5 Ne8 20.Rad1 Qe7 21.ef4 Qe3 (21...Rd8 22.Bg4 Nb6 23.Rd8 Qd8 24.Be6 Kh8 25.Rf3+-) 22.Kh1 Rd8? (better 22...Nb6+=) 23.Bg4+- Qe7 (23...Rf4 24.Rfe1 Qf2+-) 24.Rfe1 Ne5 25.Be5 (25.fe5?! Qg5 26.Bf5 h6+-) 25...Rd1 (25...b5 26.cb5 Rd1 27.Rd1 Qb7 28.Kg1+-) 26.Rd1 b5 (26...Rf7+-) 27.Rd7 (27.Rd7 Rf7 28.Re7 Re7 29.Bf3+-) 1-0. Pierre – Kajman, internet, 2020.

8.h3 Bf3 9.Bf3= Nbd7 10.Nc3 c6 11.0-0 Re8 12.d4 Nb6 13.Bc1 Nc4=+ 14.Qd3 Nb6 15.e4 de4 16.Ne4 Be7 17.Rb1 Qc7 18.Rd1 Rad8 19.c4 Ne4+= 20.Be4 h6 21.Be3 Bf6 ½–½. Torok,Laszlo – Szabo,Adam (2115), HUN–chT2, 2002.

8.0-0 c5 9.Nc3 a5 10.d3 Nc6 11.e4 d4=+ 12.Na4 Nd7 13.Nb2 b5 14.Qd2 b4 15.Nc4 Qc7 16.a3 Bb7 17.ab4 cb4 18.Rfb1 a4 19.Qg5 Rfd8 20.Nfd2 Nde5 21.f4 h6 22.Qg3=+ Nc4 23.Nc4 Ba6 24.e5 Bc4-/+ 25.dc4 Ra7 26.Qd3 Ne7 27.Qe4?? Ng6 28.Bd3 Nf8 29.f5 Nd7 30.f6+= Nf8 31.fg7 Kg7 32.Qf4 Rd7? 33.Qf6 Kg8+/- 34.Re1 Re7+= 35.Re4 Ng6 36.e6+/- (36.e6 Re6 37.Re6 fe6 38.Qg6 (38.Bg6?! Qd7+–) 38...Qg7 39.Qe6 Qf7 40.Qh6+–; < 36.Rd4 Qc5 (36...Ne5 37.Qh6 Re6 38.Bh7 Kh8 39.Qf8 Kh7 40.Rh4 Kg6 41.Qh6 Kf5 42.Rf4; 36...Re5? 37.Bg6 Qc5 38.Qd8 Kg7 39.Bd3+–) 37.Qf2 Re5 38.Rd8 Kg7=+) 1–0. Woelfelschneider,Peter – Baerthel,K, corr CiF, 1991.

8.0-0 c5 9.d3 b6 10.Nbd2 Nc6 11.Re1 Ba6 12.Bf1 Rfe8 13.Nh4 Rad8 14.g3 Bb7 15.Bg2 Ne5 16.f4 Neg4 17.Nf1 h5 18.h3 Nh6 19.Nh2 Qd7 20.N2f3 Nf5 21.Nf5 Qf5 22.Qe2 Re7 23.Qf2 Rde8 24.Ne5 g6 25.Re2 Nd7 26.Nf3 Qe6 27.Ng5 Qd6 28.Rae1 f6 29.Nf3 f5 30.Nh4 Kh7 31.Nf3 Kg7 32.Ng5 Nf6 33.Bf3 c4=+ 34.dc4 Ne4 35.Be4 de4 36.Rd2 Qc5 37.Rd4 Ba6 38.Qd2 Bc4?? 39.Qc3+– Qb5 40.Rd5 Kh6 41.Rb5 Bb5 42.Rd1 Ba6 43.Qf6 Bc4 44.Rd6 Rg7 45.Rd8 Ree7 46.Rh8 (46.Rh8 Rh7 47.Qf8 Reg7 48.Rh7#) 1–0. Hoy,Ralph (2075) – Ludsteck,Volker Hans (1740), Regionalliga SW, 2005.

8.0-0 c5 9.d3 Nc6 10.Nbd2 Bg4 11.c3 Rfe8 12.Re1 Rad8 13.Rb1 b6 14.Nf1 d4 (14...c4 15.dc4 Ne4 16.Rc1 dc4 17.Qd6 (worse 17.Bc4 Qf6 18.Qa4 Bf3 19.gf3 Nc5-+) 17...Nd6 18.N1d2=+) 15.cd4= cd4 16.e4 (16.Nd4 Be2 17.Ne2 Qd3 18.Qd3 Rd3 19.Red1 Rd1 20.Rd1=) 16...Ne4 (better 16...Be6=+) 17.de4+= d3 18.Bd3 (better 18.Ne3!? Qg6 19.Ng4 de2 20.Qc2 Qg4 21.Qc6 Qe4 22.Qe4 Re4 23.Rb2+-) 18...Qd3=+ 19.Qa4 (19.Qd3 Rd3 20.Rb3 Rb3 21.ab3 Bf3 22.gf3 Nd4=+) 19...Bf3-/+ 20.gf3 (20.Qc6 Be4 21.Qa4 Qb1 22.Rb1 Bb1 23.g4-+) 20...Ne5 21.Red1 (21.Rbd1 Nf3 22.Kh1 Ne1 23.Rd3 Nd3-+) 21...Qf3 (21...Nf3 22.Kh1 Qe2 23.Ne3 Qf2 24.Ng2-+) 22.Rd8 (22.Ng3 Nd3 23.Rd3 Qd3-+) 22...Rd8 23.Ng3 (23.Rb3 Nd3 24.Rd3 Qd3 25.Qa7 Qe4 26.Qb6-+) 23...Nd3 24.Rd1 (24.Qc4-+) 24...Qf2 25.Kh1 Qf3 26.Kg1 Qe3 27.Kg2 Nf4 28.Kf1 Qf3 29.Ke1 (29.Kg1 Qg2) 29…Ng2 0-1. Butland,Nick J (2315) - Combie,A (1940), 4NCL Online S5 Div1, 2022.

8.0-0 c5 9.d4 Nc6 10.dc5= Qc5 11.Nbd2 Bg4 12.Rb1 Qe7 13.Re1 Rac8 14.c3 b6 15.Rc1 Ne4 16.Nd4 Be2 17.Re2 Ne5 18.Ne4 de4 19.Qb3 Rc5 20.Rd2 Rfc8 21.Ne2 Nd3 22.Rf1 Kh8 23.h3 Qe8 24.Rfd1=+ f6 25.Ng3 f5 26.Ne2 Rc4 27.Qb1 R4c7 28.Qb3 Qe7 29.Qd5 Rc5 30.Qb3 g6 31.Qa3 Qd7 32.Qb3 Qc7 33.Qa3 Rc4 34.Qb3 Qe7 35.Qb5 R4c5 ½–½. Poschmann,Hans – Miraglia,Jorge, corr, 1998.

8.c4 b6 9.Nc3= Bb7 10.Nb5 Qe7 11.0-0 a6=+ 12.Nbd4 dc4 13.Bc4 Nbd7 14.a4 Ne5 15.Ne5= Qe5 16.Nf3 Qe4 17.d4 Rad8 18.Qe2+= a5 19.Rfc1 Rd7 20.Qf1 Kh8 21.Ra3 Nd5 22.Ne5+= Re7 23.f3 Qh4 24.Bd5 Bd5 25.e4 Bb7 26.Qc4 f5 27.ef5 Rf5? 28.Re3+/- g6 29.Rce1 Rg7 30.g3 Qg5 31.f4 Qd8?? 32.Ng6!+– hg6 33.Re8 Qe8 34.Re8 Kh7 35.Qe6 Bd5 36.Qc8 Rgf7 37.Rh8 Kg7 38.Qg8 Kf6 39.Qd8 Kg7 40.Qh4 c6 41.g4 (41.g4 Rh5 42.gh5 Kh8 43.hg6 Kg7 44.Qh7 Kf6 45.gf7 Bf7 46.Qh6 Bg6 47.Qf8 Ke6 48.Qc8 Kf7 49.Qc6+–) 1–0. Dzieniszewski,Andrzej – Raczkowski, Jelenia Gora, 1984.

8.c4 dc4 9.Bc4 b6 10.d4 Bb7 11.Nbd2 c5 12.dc5 Qc5 13.Rc1 Qh5 14.0-0 Nc6 15.h3 Rad8 16.Qa4 Qg6 17.Ba6 Ba6 18.Qa6 Nd5 19.a3 Rd6 20.Rc6 Rc6= 21.Ne5 Qc2 22.Nc6 Qc6 23.Nf3 Nc7 24.Qd3 h6 25.Rd1 Qa4 26.Qd7 Qc2 27.Rd2 Qc1 28.Kh2 a5 29.Qd3 Ne6= 30.Rc2 Qb1 31.Qc3 b5 32.Rb2 Qa1 33.Nd2 a4 34.Ne4+/- f5 35.Rb5 Qf1 36.Qe5+– fe4 37.Qe6 Kh8 38.Rb2 Rf2+/- 39.Qe8 Rf8 40.Qe4 Qc1 41.Qe5 Qc6 42.Rb4 Kh7 43.Qe4 Qe4 44.Re4 Kg6?? 45.Ra4 Re8 46.e4 Kf6 47.Kg3 1–0. Morozevich,A (?) – seinfeld, ICC, 2000.

7.0-0 Ne5 8.Ne5 Re8 =+.

7.Bb2 c6 8.0-0 Qe7 9.d3 Nb6 10.a4 a5 11.Nbd2 Bg4 12.Nd4 Be2 13.Qe2 Nbd7 14.N2b3 Qd8 15.Nf5 Re8 16.Qf3 Qc7 17.Qh3 Bf8 18.Qh4 b6 19.Rfc1 Ne5 20.Rab1 Kh8 21.Qg3 Nh5 22.Be5 Re5 23.Qf3 Qc8 24.Nbd4 c5 25.Ng3 Ng3 26.Qg3 Qe8 27.Nb5 Rd8 28.c4 dc4 29.dc4 Re6 30.Qf3 Rf6 31.Qe2 Bd6 32.Rd1 Rh6 33.h3 Qe4 34.Rb3+= Rg6 35.g3 Rh6 36.Qg4 Qg4 37.hg4 Be7 38.Rd8 Bd8 39.Rd3 Be7 40.Rd7 Re6 41.Nc7 Re5 42.Nd5 Bf6 43.Nb6 Re6 44.Nd5 Kg8 45.Rc7 Bd8 46.Rc5 Kf8 47.Rc8 Re8 48.Ra8 h6 49.c5 g6 50.c6 (50…f5 51.Rb8+–) 1–0. marekt – Marky69, ChessWorld.net, 2004.

7.Bb2 Qe7 8.Qc1 c6 9.Na3 Nb6 10.c4 Bg4 11.Nc2 Bd6 (worse 11...Nc4 12.Bf6 gf6 13.Nb4 Qb4 14.Rb1=) 12.cd5 Nfd5 13.h3 Bf3 14.gf3 Rfe8 15.Nd4 Be5 16.Rb1 (16.Nf5 Qd7 17.d4 Qf5 18.de5 Qg5=+) 16...Qd7 (16...Nf4 17.Qc2 Qf6 18.Nb3 Ne2 19.Ke2-/+) 17.Nb3=+ Bb2 18.Qb2 Qe7 19.Nd4 Qf6 20.Rg1 Rad8 (20...g6 21.a4=+) 21.Nf5= Qb2 22.Rb2 g6 23.Ng3 Kf8 24.Ne4 Re7 25.Nc5 Rc7 26.h4 Nd7 27.Nd3 (worse 27.Nb7 Rb8 28.Ba6 Nc5 29.Nc5 Rb2-+) 27...b6 28.h5 c5 29.hg6 hg6 30.Rg5 N7f6 31.Ne5 Nh7 32.Rg1 Re8 33.f4 Nb4 34.a3 Nd5 35.Kf1 Nhf6 36.Bb5 Re6 37.Bc4 Rd6 38.f3 Nh5 39.Rg5 Ndf6 (39...Nhf6 40.Rb3+=) 40.Ke2 Nh7 41.Rg2 N7f6 42.Rb1 Re7 43.Rh1 Nd5 44.Rg5 Ndf4 (44...Ndf6 45.d3+=) 45.ef4+/- f6?? (45...b5 46.Bf7 Nf4 47.Ke3 Ng2 48.Kf2 Rd2 49.Kg3 Rf7 50.Rh8 Ke7 51.Nf7 Kf7 52.Rc5 Ne3+-) 46.Rg6+- Nf4 47.Kd1 (47.Kd1 Ng6 48.Ng6 Ke8 49.Ne7 Ke7 50.Rh7 Kd8 51.Ra7+-) 1-0. Tsoi,Dmitry (2320) - Lupolov,Boris (1970), 16th Moscow Open A (1), 2020.

8.0-0= Bb7 9.a4 a6 10.Nc3 Bd6 11.Nd4 Re8 12.f4 c5 13.Nf5 Bf8 14.Bf3 g6 15.Ng3 Bg7 16.Nce2 Qc7 17.Ra3 b5 18.ab5 ab5 19.Ra8 Ra8 20.Nc1 b4 21.Nge2 Nb6 22.Be5 Qe7 23.c3 Nc4 24.cb4 cb4 25.Bd4 Ra3 26.Re1 Bc6 27.Nb3 Ba4 28.Nec1 Ne4 29.Be4 de4 30.Bg7 Kg7 31.Qc2 Qe6 32.Qb1 Qe7 33.d3 ed3=+ 34.Qd3 Bb5 35.Qd4 Qf6 36.Qc5 Qa6 37.Nd4 Ra1?? 38.Nb5+– Na3 39.Qd4 Qf6 40.Qb4 Nc2 41.Qd2 Ne1 42.Qe1 Qb2 (42...Qb2 43.Nd6 Rc1-+ (43...Qc1?! 44.Qc1 Rc1 45.Kf2-/+)) 0–1. Depasquale – Hamilton, Melbourne AUS, 1988.

8.0-0 Bb7 9.d3 Bd6 10.Nbd2 c5 (10...Nc5 11.c4=) 11.c4= Qe7 12.cd5 Nd5 13.Ne4 (13.Qb3 Qe6=) 13...Bc7 14.Ng3 ½–½. Melderis,Uldis (2105) – Laurusas,Tomas (2075), it Baltija Cup Open, 2008.

8.0-0 Bd6 9.Nc3 c5 (9...Nc4 10.Bc4 dc4 11.d3=+) 10.Nb5= Bb8 11.Ba3 (11.d4 c4=) 11...Nbd7 (11...Ne4 12.d4=) 12.d4 a6 13.Nc3 Qa5 14.Bb2 c4 15.Nd2 (15.Qd2 b6=+) 15...Qc7 16.g3 (16.Nf3 b5=+) 16...b5 (16...Re8 17.Bf3 Qb6 18.Rb1=+) 17.Bf3 Bb7 18.Ba3 Re8 19.Rb1 Ba7 (19...Ne4 20.Ne2=+) 20.Bg2 Rab8 (20...Ne4 21.Nce4 de4 22.Qg4=+) 21.Re1 Ba8 22.Qf3= Nf8 23.Qf5 Rbd8 24.Bb4 Bc6 25.Ne2 Bd7 26.Qf4 Qc6 27.Bf8 Kf8 28.Nf3 Bc8 29.Ne5 Qe6 30.Qh4 Bb8 31.Nf4 Qb6 32.Nf3 Bf5 33.Rec1 h6 34.Bh3 Bh7 35.Bg2= Ne4 36.Ne2 g5 37.Qh3 Kg7 38.Ne1 b4 39.a3 a5 40.ab4 ab4 41.Rb2 Qa5 42.Rbb1 Bd6 43.Ra1 Qb6 44.Rcb1 Ra8 45.Ra8 Ra8 46.Be4 Be4-/+ 47.Nc3 Bg6 48.Nd5+= Qa5 49.Qg2 b3 50.e4 b2 51.Qf3 Bf8 52.Qf6 Kg8 53.Qf3 Qa1 54.Qd1+= Kg7 55.Nb6 (55…Ra2 56.Nc4+–) 1–0. Gerold,Guenter – Hemp,Stephen, corr ICCF EU/M979, 1991.

8.0-0 Re8 9.Ba3 Ba3 10.Na3 Ne4 11.Qe1 Bg4 12.d3 Nd6 13.Qb4 Bh5 14.Nb5 (14.c4 dc4 15.Nc4 Nbc4 16.dc4 b6=) 14...Nb5 15.Qb5 Qd7 (15...c6 16.Qb4=) 16.Qb3 c5 17.Rfb1 (17.a4 Rab8=) 17...d4=+ 18.Nd4 cd4 19.Bh5 de3 20.fe3 Re3 21.a4 g6 22.Bf3= Rae8 23.Qb4+= Qf5 24.Rf1 Qe6 25.a5+/- Nd5 26.Qd4 Re5+/- 27.Bd5 Qd5 28.Qa7 Re2 29.Rf2 Re1 30.Re1 Re1 31.Rf1 Re2 32.Rf2 Re1 33.Rf1 Re2 34.Rf2 ½–½. Honos,Attila – Peter,Ambrus, Budapest HUN, 2000.

8.a4 a5 9.0-0 Bd7 10.c3 Bd6 11.Qb3 Ne4 12.d4 Qe8 13.Bb5 (better is 13.Bd1!?-/+) 13...Bb5-+ 14.Qb5 Qb5 15.ab5 Nc4 16.Ba3 (16.Ra2-+) 16...Na3 17.Na3 Nc3 18.g3 a4 19.Kg2 Ba3 20.Ra3 Nb5 21.Ra2 a3 22.Rc1 Ra4 23.Ne5 Rfa8 24.Rc5 c6 0–1. Krivoshapko,Alexander – Adamson,Konstantin, Omsk Russia, City Championship, 2013.

8.a4 a5 9.0-0 Bd7 10.c3 Bd6 11.Bb5 c6 12.Be2 Nc4 13.Ba3 Na3 14.Na3 Qe7 15.Nc2 Rae8 16.Ncd4 Ne4 17.c4 dc4 18.Bc4 Ng5 (18...c5 19.Nb5+=) 19.Ng5 Qg5 20.f4 Qc5 21.Bd3 g6 22.Rb1 Rb8 23.Qc1 (23.Qb3 Qh5=) 23...Rfe8 (23...Qc1 24.Rbc1 Bb4 25.Nc2-/+) 24.Qc4 (24.Qb2 Qd5 25.e4 Qc5+=) 24...Qc4+= 25.Bc4 Bc5 26.Nf3 Be6 27.Be6 Re6 28.Rfc1 Bb4 29.Kf2 Rd6 Exerts pressure on the backward pawn 30.d4 f6 31.g4 b6 32.h4 Re8 33.Rc2 c5 34.Rd1 cd4 35.Rd4 (35.Nd4 Bc5+=) 35...Rde6= 36.Rd3 Bc5 Attacks the backward pawn on e3 37.Nd4 (better is 37.Re2!?=) 37...Re3!-/+ 38.Re3 Bd4 39.Rce2 Re3 40.Re3 Kf7 41.Kf3 Be3 42.Ke3 Ke6 43.Ke4 f5 44.gf5 gf5 45.Kd4 Kd6 46.h5 h6 47.Kc4 Kc6 48.Kd4 b5 49.ab5 Kb5 50.Ke5 a4 51.Kf5 a3 52.Kg6 a2 0–1. Krivoshapko,Alexander – Toder,Denis, 2008.

8.0-0 Re8 9.c4 dc4 10.Bc4 Be6 11.Be6 Ne6 12.Qb3 Be7 13.d4 (13.Qb7? Rb8 14.Qa7 Rb2-+) 13...Qd5 14.Qc2 c5 15.Nc3 Qh5 16.Rad1 Rad8 17.d5 Nd5 18.Nd5 Rd5 19.Rd5 Qd5 20.Rd1 Qa2 21.Ra1 Qd5 22.Rd1 (22.Ra7!? Rd8 23.Kf1-/+) 22…Qa2 ½–½. Mirada,Luciano (1780) – Malbran,Guillermo (2195), Villa Martelli Pro Am op, 2009.

8.c3 Ba5 9.Ba3 b6 10.d4 Nce4 11.Bf8 Nc3 (worse 11...Qf8 12.0-0+=; worse 11...Kf8 12.0-0+=) 12.Nc3 Bc3 13.Kf1 Qf8 (13...Ba1!? 14.Bg7 Bd4 15.Qd4 Kg7=+) 14.Rc1= Bb4 (14...Qa3 15.Qc2 Bb4 16.Qc7=) 15.Rc7+= Bd6 16.Rc2 Bf5 (16...Bd7 17.Rc1 Ba3 18.Ra1+=) 17.Bd3+/- Bg4 18.h3 Bh5 (better 18...Bd7!? 19.Rc1 Qe8+/-) 19.g4+- Bg6 20.Bg6 hg6 (20...fg6 21.Kg2+-) 21.Ne5 (21.Qd3 Qe7+-) 21...Ne4 (21...Qe7 22.Kg2+-) 22.Kg2 Qe8 23.Nd3 (23.f3 Nf6+-) 23...f5 (23...g5 24.Re1+-) 24.Qf3 Qa4 (24...fg4 25.hg4 Qd7 26.Qd1+-) 25.Rhc1 Qd7 26.Nf4 g5 (26...Qf7 27.Rc8 Rc8 28.Rc8 Kh7 29.gf5 gf5 30.Qh5 Qh5 31.Nh5+-) 27.Nd5 Ba3 28.Rc8 (better 28.Qf5 Qf5 29.gf5 Bc1 30.Rc1+-) 28...Rc8-/+ 29.Rc8 Qc8 30.gf5? (30.Qf5 Qf5 31.gf5 Nd6-/+) 30...Nf6 (better 30...Nd2!? 31.Qd1 Qf5 32.Ne7 Be7 33.Qd2 Qd5 34.Kg1 b5-+) 31.h4 (31.Nf6 gf6 32.e4 Be7=+) 31...Qc6?? (better 31...gh4 32.Nf6 gf6 33.Qd5 Kg7-/+) 32.Ne7!!+- (32.Ne7 Be7 33.Qc6 gh4 34.d5+-) 1-0. Lance5500 (2615) - jocal17 (1875), lichess.org, 2017.

8.0-0 Re8 9.Na3 c6 10.c4 Qe7 11.Qc1 Nb6 12.cd5 Nfd5 13.Nc4 Nc4 14.Qc4 Be6 15.Qa4 c5 16.Bd3 Nb4 17.Bb5 Red8 18.a3 Bd5 19.ab4= Bf3 20.gf3 Qg5 21.Kh1 Qh5 22.f4 Qf3 ½–½. Grott,Peter (1985) – Rohde,Matse (1945), DESC, 2000.

8.0-0 Re8 9.d3 Nc5=+ 10.a4 Bd7 11.Nc3 c6 12.Nb1 a5 13.Qd2 Bg4 14.h3 Bf3 15.Bf3 Nfd7 16.Nc3= Qg5 17.Ne2 Ne6. orangotango (2425) – Christiane2168 (2380), 2003.

8.0-0 Re8 9.d3 Nc5 10.Nc3 c6 11.Re1 b5 12.a3 a5 13.Qd2 Qe7 14.Bf1 Bg4 15.Nd4 Bd7 16.g3 b4 17.ab4 ab4 18.Ra8 Ra8 19.Nce2 Na4 20.Ba1 Nb6 21.Nb3 c5 22.Bg2 Ra2 23.Nec1 Ra4 24.e4 de4 25.de4 Bc7 (25...Ng4!?=+) 26.Bf6 gf6 (26...Qf6? 27.Nc5 Qc3 28.Qc3 bc3 29.Na4 Na4 30.Nd3+-) 27.Rd1 Bg4 28.f3 Be6 29.Qf2 Nd7 30.f4 Bb6 31.Kh1 c4 32.Nd4 b3 (better 32...Bg4 33.Bf3 f5=+) 33.cb3 (33.f5 b2 34.Nce2-+) 33...cb3-+ 34.Nce2 b2 35.Qf1 Bc4 36.Nf5 Qb4 37.Qf3 Nf8?? (37...Kf8 38.Qg4 Bd3 39.Qg7 Ke8 40.Qg8 Qf8 41.Nd6 Kd8 42.Qf8 Nf8-+) 38.Nh6 (better 38.Nc3=) 38...Kg7 39.Nf5 Kh8 40.Nc3 Ra1 41.Nb1 Ba2 (41...Ba2 42.Qg4 Ng6-+) 0-1. PilgrimFather (2570) - endre969 (2615), ChessWorld.net, 2007.

8.Na3 c6 9.c4 Qe7 10.Qc1 a6 11.cd5 cd5 12.Nc2 Nc5 13.Nfd4 Ng4 14.Ba3 Bd7 15.Bc5 Bc5 16.Bg4 Bg4 17.f3 Bh5 18.Qb2 Bg6 19.Ne2 (19.0-0 Rac8=+) 19...Bc2 20.Qc2 d4 21.e4 f5 22.ef5 d3 (better 22...Rae8!? 23.Qc4 Qf7 24.Qc5 d3=+) 23.Qd3+= Rfe8 24.Kf1 (24.f4 Rad8 25.Qf3 Qd7 26.Qb3 Kh8-/+) 24...Ba7 (24...b5 25.Qe4 Qd7 26.Qc2=) 25.Nc3?? (better 25.Qc4 Kh8 26.d4+=) 25…Qh4-+ (25...Qh4 26.Ne4 Re4 27.Qb3 Kh8-+) 0-1. Tsoi,Dmitry (2325) - Bodnaruk,A (2415), St Petersburg RUS, 2019.

8.c4 Re8 9.0-0 dc4 10.Bc4 Nb6 11.Bb3 Bg4 12.Na3 c6 13.Nc4 Nc4 14.Bc4 Ne4 15.Qb3 Bf3 16.Bf7 Kh8 17.gf3? Qh4 18.f4-/+ Qg4 19.Kh1 Qf3 20.Kg1 Ng5! 21.fg5 Qg4?? 22.Kh1= Qf3 23.Kg1 Re4 24.Rfe1 Rg4 25.Kf1 Rg2 26.Re2 Rh2 27.Bg7 Kg7 28.Qc3 Kf7 29.Qf6 Qf6 30.gf6 Rh1 31.Kg2 Ra1 (31...Ra1 32.d4 Kf6-+) 0–1. Moody,David – Hahn,David, Detroit ch–MI op, 1992.

8.0-0 Nb6 9.Ba3 Ba3 10.Na3 =+.

8.0-0 Nb6 9.c3 Bd6 10.d4 c6 (10...Bd7 11.Nbd2+=) 11.Nbd2 Bg4 12.c4 Bb8 (12...dc4 13.Nc4 Nc4 14.Bc4+=) 13.cd5 (13.c5 Nbd7+=) 13...cd5 (13...Nbd5 14.h3 Bf3 15.Nf3= (15.Bf3? Qc7 16.g3 Ne3-+)) 14.Bb5 (14.Rc1 Ne4+=) 14...Bd7 15.Qb3 Ne4 16.a4 Bb5 17.Qb5 (17.ab5 Qd7=) 17...Nd6= 18.Qb3 Bc7 (18...Nbc4 19.Rfc1=) 19.Ne5+= Rc8 20.Rfc1 Qh4 (20...a5!?+=) 21.g3+/- Qh3 (21...Qh5 22.Ba3 Ndc4 23.Ndc4 dc4 24.Nc4+–) 22.a5 Nbc4 23.Ndc4 dc4 24.Nc4 Ne4 (24...Qe6 25.Nd2+–) 25.Ne5 (better is 25.Qb7!? h5 26.d5+– (26.Qa7 Ng3 27.fg3 Bg3=)) 25...Be5+/- 26.de5 Nd2+= 27.Qd1 Rcd8 28.Bd4 Ne4 29.Qf3 Nd2+/- 30.Qd1 Ne4 31.Rc7 Re5?? 32.Qf3 Ng5= 33.Qg2 Qg2 34.Kg2+/- Rb5 35.Ba7 Ne4? 36.Ra2 h6+/- 37.Bb6 Rb8 38.Rac2+– Nd6 39.Rd7 Ne8 40.Rd8 Rd8+/- 41.Bd8 Kh7 42.Bb6 Kg6 43.Rc8+– Nd6 44.Rc7 h5 45.h4 Kf6 46.Kf3 Ke6 47.Ke2 Rb2+= 48.Kf3 Rb5 49.Rc2 Kd5 50.Rd2 Ke6 51.Rc2 Kd5 ½–½. Kozlowska,Marzena (1920) – Bednarska_Bzdega,Malgorzata (2135), Miedzynarodowe Szachowe Lato w Poznaniu Poland, 2012.

8.0-0 Nb6 9.d3 Bg4 10.a4 c5 11.Nbd2 d4 12.ed4 Nbd5 13.Ne4 Ne4 14.de4 Re4 15.dc5 Bc3 16.Qd3 Re8 17.Bc3-/+ Nf4 18.Qd8 Ne2 19.Kh1 Rad8 20.Ne5 Nc3 21.Ng4 Rd5 22.Rfe1=+ Re1 23.Re1 f6 24.h3 Kf7 25.Re3 Rc5-/+ 26.Rd3 Ke6 27.Re3 Kd7 28.Rd3 Kc6 29.Ne3 Na4 30.Ra3 b5-+ 31.c4 a6 32.Kh2 Nb6-+ 33.Ra6 bc4 34.Ra7 Nd5 35.Nc2 Nc7 36.Kg3 h5 37.Kf3 Re5 38.Ra4 Kb5 39.Ra7 Ne6 40.Ra8 Ng5 41.Kf4 g6 42.Rb8 Ka5 43.Rc8 Re4 44.Kg3 h4 45.Kh2 Ka4 46.Ne3 Kb3 47.Rb8 Kc3 48.Rb1 f5-+ 49.Rc1 Kb4 50.Kg1 f4 51.Nd5 Kb3 52.Rb1 Kc2 53.Rb5 Ne6 54.Rb6 g5 55.Nb4 Kc3 56.Na2 Kd2 57.Rd6 Kc2 58.Kf1 Nc5 59.Nb4 Kb3 60.Rb6 c3 61.Na6 Kc4 62.Nc5 Kc5 63.Rb1 Kc4 64.f3 Rd4 65.Ke1 c2 66.Rc1 Kc3 (66...Kc3 67.Rc2 Kc2-+) 0–1. Pierred (2145) – Shekinah (2485), Rated game, 2m + 0s, 2005.

8.0-0 Bd6 9.Nc3 a6 10.a4 b6 11.h3 Bb7 12.d4 (12.Rb1 Nc5+= (12...h6 13.Nd4 Ne5 14.Nf5 Nc4 15.d3 Nb2 16.Rb2 Bc8 17.Nd6) 13.a5 ba5 14.d4 Ne6 15.Na4 Qd7 16.Ra1 Ne4 17.Ne5) 12...c5 13.Rb1 (13.Re1 Qc7= (13...h6 14.Nh4 cd4 15.Qd4 Nc5 16.a5 Rb8 17.ab6) 14.Ba3 Rad8 15.Qd3 Ne4 16.a5 c4 17.Bd6) 13...Qc7+= 14.Re1 (14.Qd2 cd4 15.Nd4 (15.Qd4 Nc5 16.Rfd1 Rad8 17.Ba1) 15...Rac8+= (15...Ne5 16.Rfd1 Nc4 17.Bc4) 16.Rbd1 h6 17.Rfe1) 14...Rad8 (14...c4 15.Qd2 Bb4 16.Rf1 h6 17.Ra1) 15.Ba1 (15.Qd2 cd4 (15...Ne4 16.Ne4 de4 17.Nh4) 16.Qd4 (16.Nd4 Nc5 17.f3) 16...Nc5-/+ 17.Ba3) 15...c4 (15...Ne4 16.dc5 (16.Qd3 Re6 17.a5) 16...Ndc5 17.Qd4-/+) 16.Qc1 (16.Qd2 Bc6 17.Red1+= (17.Rf1 Rb8-/+)) 16...Ne4 (16...Bc6 17.Qd2+= (17.Bb2+=); 16...h6 17.Bb2) 17.Ne4 de4 18.Nd2 Bd5 19.Bc3 Qc6 (19...Re6 20.Bb4=) 20.Bb4= Bb8 (20...c3 21.Nf1 Ba2 22.Ra1 Bb4 23.Ra2=) 21.Qa3 Nf6 22.Nf1 (22.Qc3 Qc7 23.Nf1 h5+=) 22...Qc7 (22...Bc7 23.Be7 Rc8 24.Red1=) 23.Bc3 (23.Bd2 h5=) 23...Be6 24.Ba1 (24.Rb4 a5 25.Rb5 Nd5=) 24...Nd5+= 25.c3 (25.Bc3 Qc6+=) 25...Bd7 26.Qa2 Rc8 27.Bd1 Re6 28.g3 Rg6-/+ 29.h4 Bg4 30.h5 Rg5 31.Bg4 Rg4 32.h6 Qd7 33.a5 b5-/+ 34.hg7 Rc6 35.Qc2 Rcg6 36.Qe2 Rh4-+ 37.f4 Nf4?? 38.ef4+= Rf4 39.Qh5 Rf5? 40.Qg6?? Rf1!-+ 41.Rf1 hg6 42.Rb2 Bg3 43.Rg2 Qh3 44.Bb2 Bd6 45.Bc1 Qc3 46.Rd1 Kg7 47.Rf2 b4 48.Bg5 f5 0–1. Gierth,Karlheinz (2265) – Jesche,Lothar (2300), RSLBL – BL2009, 2009.

8.0-0 Bd6 9.Nc3 Ne5 =+.

8.0-0 Bd6 9.c4 dc4 10.Bc4 Nb6 11.Bb3 Bf5 12.d4 Ne4 13.Nbd2 Qf6 14.Ne5 Be5 15.de5 Qg6 16.Ne4 Be4 17.f3 Bd3 18.Rf2 c5 19.Rd2 Nc4 20.e6 Kf8 21.Bc4 Bc4 22.ef7 Re3 23.Qc2 Qc2=+ 24.Rc2 Re2 25.Bg7= Kg7 26.Rc4 b6 ½–½. Kuni,Richard – Conde,Jose A, TT–07 ETC, 2003.

8.0-0 Bd6 9.c4 dc4 10.Bc4 Nb6 11.Bb3 Bf5 12.Ng5 Nfd5 13.Nf7? Kf7-/+ 14.Qh5 Bg6?? 15.Bd5+= Nd5 16.Qd5 Kf8 17.f4 Be7 18.Qb3+= Bf7 19.Qc2 Kg8 20.Nc3 Bf6 21.Nb5+= Bb2 22.Qb2 a6 23.Nd4 Qd5 24.Nf3 Rad8 25.a4 c5 26.Rfc1 c4 27.a5 Rd6 28.Ra3 Red8 29.Qb4 Rg6 30.Kh1 b5 31.ab6 Qb7 32.Rb1 h6 33.e4 Qe4 34.f5 Rf6 35.d3 Qf5 36.dc4 Qc2 37.Rc3 a5 38.Rc2 ab4 39.Rb4 Rd1 40.Ng1 Rff1 41.h3 h5? 42.h4 Rg1= 43.Kh2 Rh1 44.Kg3 Bg6? 45.b7+– Bc2 46.b8Q Kh7 47.Qc8 Rd3 48.Kf2 Rd2 49.Ke3 Rg2 50.Rb8 Re1 51.Kd4 Re4 52.Kc5 Re5 53.Kb4+– Rg3 54.Qh8 Kg6 55.Rb6 Kf5 56.Qh5 Kf4 57.Qf7 Rf5 58.Qc7 Re5 59.c5 Bf5 60.Rd6 g6 61.Rd4 Be4 62.Qd6 Rg1 63.Rc4 (63.Rc4 Rg2 64.Qf6 Rf5 65.Qa1+–) 1–0. Woelfelschneider,Peter – Herrchen,Ralf, TT–17 ETC, 2005.

8.Nc3 Nb6 =+.

8.cb4 Nf3 9.Bf3 c6 10.Nc3 Qe7 11.Qb3 d4 12.Ne2 Be6 13.Qb2 de3 14.fe3 Bc4 15.0-0 Nd7 16.Rf2 Ne5 17.Qc3 Nf3 18.gf3 Be2 19.Rg2 f5 20.Re2 Rad8 21.d4 Qf6 22.Rd1 Qh4 23.Qc4 Kh8=+ 24.b5 Qh5 25.Rf1 Rf6 26.Qc5 Rg6 27.Kh1 Qh3 28.Ref2 Re6 29.Qa7 Re3 30.d5 c5 31.Qb7 Rd3 32.Re1 Qh5 33.Rg2 Rg8 34.a4 Rf3 35.d6+/- Rd3 36.d7 f4 37.Rge2 Rd5 38.Qc6 Qf3 39.Rg2 Qd3 40.Rf2 Rd7 41.Rf4 Rd4 42.Rd4 Qd4 43.Qe4 Qd8 44.Rf1 Rf8? 45.Rf8+– Qf8 46.Kg1 Qd8 47.a5 Qd1 48.Kf2 Qd2 49.Kg3 Qd6 50.Kf3 h6 51.a6 Qh2+/- 52.Qb7 Qh1 53.Kf4 Qh4 54.Ke5 Qf6 55.Kd5 Qd4 56.Kc6 Qf6 57.Kc7 (57.Kc7 Qf4 58.Kb6+–; 57.Kc5 Qc3 58.Kd6 Qf6 59.Kd5 Qf5 60.Kd4 Qf6 61.Kc4 Qf1 62.Kc3 Qf6 63.Kd3 Qf5 64.Ke3 Qe5 65.Kf3 Qf6 66.Kg2 Qg5 67.Kf1 Qf5 68.Ke2 Qe5 69.Kd2 Qd4 70.Ke1 Qe3 71.Kf1 Qf4 72.Kg1 Qe3 73.Kh2 Qf4 74.Kh3 Qe3 75.Kg4 Qg5 76.Kf3 Qf6 77.Ke4 Qe6 78.Kf4 Qf6 79.Kg3 Qe5 80.Kf2 Qc5 81.Kf3 Qf5 82.Ke3 Qe5 83.Qe4 Qb5 84.Qa8 Kh7+=) 1–0. Matzke,Axel – Mayer,Johann, corr EM/C/B012 ICCF Email, 1999.

8.cb4 Nf3 9.Bf3 Qd6 10.a3 d4 11.0-0 c6 12.ed4 Qd4 13.Nc3 Bg4 14.h3 Bf3-/+ 15.Qf3 Qd2 16.Rfd1 Qc2 17.b5 cb5 18.Nb5 Qc6 19.Qb3 Qb6 20.Rd6 Qc5 21.Rad1 a6 22.Nc3 Rac8 23.Na4 Qb5 24.Qb5=+ ab5 25.Nb6 Rc3 26.R6d3 Rd3 27.Rd3 Re8 28.Nd5 Kf8 29.Nf6+= gf6 30.Rd7 Re7 31.Rd8 Kg7 32.Rd5 Re5 33.Rd7 b6 34.Rd6 Re6 35.Rd3 Re1 36.Kh2 Re2 37.Rg3 Kf8 38.Rb3 Re5 39.Kg3+= Ke7 40.Kf4 Ke6 41.g4 f5 42.Re3+/- Re3 43.gf5 Kd5 44.fe3 b4 45.ab4+– Kc4 46.Ke5 b5?? 47.Kf6 Kb4 48.Kf7 Kc3 49.Kg8 (49.Kg8 b4 50.f6+– (50.Kh7?? b3 51.f6 b2-+)) 1–0. Bulcourf,Carlos – Malbran,Guillermo, Villa Martelli, 1995.

7.Bb2 A) 7...h6 8.Nc3 (8.0-0 Nc6 9.Nc3 Bf5 10.Nb5 Bd7 11.h3 Re8) 8...Nc6 9.0-0 Bf5 10.Nb5 Ne4 11.d3 Nc5; B) 7...Bc5 8.Nc3 (8.0-0 Nc6 9.Nc3 Bg4 10.h3 Bf5 11.Nb5 Rb8; 8.Na3 Nc6 9.0-0 a6 10.d4 Be7 11.Ne5 Be6) 8...Nc6 9.0-0 Re8 10.Nb5 a6 11.Bf6 gf6; C) 7...Nc6 8.0-0 (8.Nc3 Bf5 9.0-0 a6 10.h3 h6 11.Bd3 Qd7) 8...Bf5 9.Nc3 a6 10.Re1 Qd7 11.Nh4 Be6.

7.Nc3 Nc6 8.0-0 Ne5 9.Ne5 c6 10.Bd3 Bd6 11.f4 Qe7.

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

7.d3 c5 8.Nbd2 (8.0-0 Nc6= 9.Nc3 d4 10.Bf6 gf6 11.Ne4 Be6; 8.Nc3 Nc6 9.0-0 d4 10.Bf6 gf6 11.Ne4 Be6) 8...Nc6=+ (8...Bd6 9.0-0 Nc6 10.Bb2 Be6 11.c4 Re8) 9.Bb2 (9.0-0 Ne5 10.Ne5 Bd6 11.f4 Re8) 9...Bg4 (9...Be6 10.0-0=+ (10.h3 d4 11.0-0 de3) 10...Qc7 11.h3 Rad8; 9...Qc7 10.0-0 h6 11.c4 Be6) 10.0-0 (10.Ne5 Bf5 11.0-0 Ne5) 10...Re8 (10...h6 11.c4 Qc7) 11.Nb3 (11.c4 d4) 11...b5 (11...Qc7=+ -0.44) 12.c4 dc4 13.dc4 b4 14.Qc2 Qc7 (14...Qd6 15.Rfd1 Qe6 16.Ng5=) 15.Rad1 Nd7 (15...Qb6 16.Ne5 Be2 17.Qe2 Ne5 18.Be5=) 16.Rd2 (16.Ng5 Bg5 17.Bg4 Nde5+/-) 16...Rad8= 17.Rfd1 Be6 18.Bd3 h6 19.Be4 (19.Bh7 Kh8+=) 19...Nce5 20.Ne5 Ne5 21.Bd5 Ng4 22.g3 Bd5 23.Rd5 a5 (23...Rd5!? 24.cd5 Qd6=) 24.Qf5+/- Increases the pressure on c5 24...Nf6 25.Rd8 Rd8 26.Rd8 Qd8 27.Bf6 Bf6 28.Qc5 Qd1 29.Kg2 a4 30.Qb4 (30.Qc8!? Kh7 31.Qf5 Kg8 32.Nc5+=) 30...ab3= 31.ab3 Qc2 32.Qb8 Kh7 33.Qb7 Kg6 34.Qd5 Bc3 35.g4 f6 (35...Kf6 36.c5=) 36.Qh5 (36.c5 Qe2 37.Qh5 Kh7 38.Qf5 g6 39.Qd7 Kg8+=) 36...Kh7= 37.Qf5 Qf5 38.gf5 g6 39.fg6 Kg6 40.Kf3 Kf5 41.Ke2 (41.e4 Ke5=) 41...Ke5 42.Kd3 Bb4 43.e4 Bc5 44.f3 Kf4 45.Kc3 (45.Ke2!?=) 45...Kf3-/+ 46.b4 (46.Kd3 Kf4-/+) 46...Bg1 (46...Be7 47.c5 Ke4 48.Kc4-/+) 47.c5 (47.Kd3 Bh2 48.c5 Be5-/+) 47…Ke4-+ (47...Ke4 48.Kc4 Bh2-+) 0-1. Mus,Roman - Kwiek,Janusz, corr 1AMM Poland, 1992.

7.d3 Nc6 8.Bb2 a5 9.0-0 Ra6 10.Nc3 Rb6 11.Na4 Rb4.

7.d3 Nbd7 8.Bd4=+ (8.Bb2 Nc5 9.0-0 b5 10.Nbd2 Bf5 11.Nd4 Bd7; 8.Bc3 Bd6 9.Nbd2 Qe7 10.0-0 Nc5 11.Rb1 b6) 8...c5 9.Bb2 Qb6 10.Qc1 Nb8 11.Nbd2 Nc6.

7.d3 Bf5 8.0-0 (8.Nc3 Nc6 9.0-0 Ne5 10.Ne5 d4 11.g4 Be6; 8.Bb2 c5 9.Nbd2 Nc6 10.0-0 Qd6 11.c4 Be6) 8...Nc6 9.Bb2 h6 10.Nc3 a6 11.h3 Qd7.

7.d3 Re8 8.0-0 (8.Bb2 Nc6 9.0-0 Bf5 10.Nc3 d4 11.ed4 Nd4) 8...Nc6 9.Bb2 Bf5 10.Nc3 d4 11.ed4 Nd4.

7.d3 Bg4 8.Bb2 (8.0-0 Nc6 9.Bb2 Bf5 10.Nc3 a6 11.Qd2 h6) 8...Nc6 9.0-0 Bb4 10.Nc3 Qe7 11.h3 Bf5.

7.d3 Ng4 8.Bb2 Nc6 9.h3 Nf6 10.Nc3 Bf5 11.0-0 a6.

7.h3 c5 8.0-0 Nc6 9.Bh2 Be6 10.a4 Rc8 11.Na3 a6 (11...Re8 12.Rb1 c4 13.Nb5=+) 12.Qb1= Qd7 13.c4 (13.Qb2 Ne4=+) 13...d4 (13...Rfe8 14.d3=+) 14.Bd3 Bd6 (14...Nb4 15.Ne5 Qd8 16.Re1=+) 15.Bd6= Qd6 16.Ng5 h7 draws heavy fire 16...h6 17.Nh7 Nh7 18.Bh7 Kh8 19.Be4 f5 20.Bc6 Qc6 21.ed4 cd4 22.d3 f4 23.Nc2 Rcd8 24.Re1 (24.Qb4 Rf5 25.f3 Rg5=+) 24...f3 (24...Bf5 25.Ra3=+) 25.g4= Rf4 26.Qc1 Rdf8 27.Re5?? (better 27.Kh1=+) 27...Bg4!-+ 28.hg4 (28.Qa3 Bh3 29.Kh2-+) 28...Rg4 29.Kf1 (29.Kh2 Qg6 30.Rg5 hg5 31.Qf1 Qh5 32.Qh3 Rg2 33.Kh1 Qh3) 29…Qg6 (29...Qg6 30.Qh6 gh6 31.Ke1 Qd3 32.Nd4 Rg1) 0-1. Bakker,Piet - Carlier,Bruno, NED-chT, 1987.

8.a3 Nc6 9.Bb2 Re8 (9...Bg4 10.Nc3 d4 11.Na2 Be6 12.Nc1 Qb6 13.Nd3=+ 0.37) 10.Ne5 Bd6 11.Nc6 bc6 12.Nc3 Rb8 13.Rb1=+ -0.44.

8.Bb2 Qb6 9.Qc1 Nc6 10.Nc3 Re8 11.Rb1 d4 12.Nb5 a6 13.Na3=+.

8.Bb2 Qb6 9.Qc1 Nc6 10.c4 Bf5 11.cd5 Nd5 12.Nc3 Nf6 13.Nh4 Be6 14.f4 Rad8 15.Nf3 Ng4 16.Ng5 Bg5 17.fg5 Nge5 18.Ba3 Bc4 19.d4 cd4 20.Bf8 dc3 21.Bc4 =.

8.Bb2 Qb6 9.Qc1 Re8 10.c4 Be6 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3=.

8.Bb2 Qb6 9.Qc1 Bf5 10.c4 Nc6 11.cd5 Nd5 12.d3 Ndb4 13.e4=+.

8.Bb2 Qb6 9.Qc1 Bg4 10.c4 Rd8 11.cd5 Nd5 12.Nc3 Nc6 13.Nd5=.

8.Bb2 Be6 A) 9.a3 Nc6 10.Re1 Re8 11.Nc3 d4 12.ed4 cd4 13.Na2=+ -0.50; B) 9.Na3 Nc6 10.Ne5 Ne5 11.Be5 a6 12.d3 b5 13.c4=+ -0.47; C) 9.Re1 Nc6 (9...Re8 10.Nc3 Nc6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47) 10.Nc3 Re8 11.a3 d4 12.ed4 cd4 13.Na4=+ -0.59; D) 9.a4 Nc6 10.Nc3 Re8 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47; E) 9.Nc3 Nc6 10.Re1 Re8 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47.

8.Bb2 Re8 9.a3 Bf5 (9...Nc6 10.Ne5 Bd6 11.Nc6 bc6 12.Nc3 Qc7 13.h3=+ -0.41) 10.Nc3 Nc6 11.Re1 a6 12.a4 Bd6 13.Na2=+ -0.56.

8.Bb2 Re8 9.Na3 Nc6 (9...a6 10.c4 dc4 11.Nc4 b5 12.Nce5 Nd5 13.d4=+ -0.37) 10.Ne5 Ne5 11.Be5 a6 12.d3 Bd6 13.Bd6=+ -0.50.

8.Bb2 Re8 9.a4 Nc6 (9...Bf5 10.Nc3 Nc6 11.Rb1 Rc8 12.Re1 d4 13.Nb5=+ -0.37) 10.Re1 Be6 11.Nc3 Ne4 12.d3 Nc3 13.Bc3=+ -0.44.

8.Bb2 Re8 9.Nc3 Nc6 10.Re1 Be6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+.

8.Bb2 Re8 9.c4 Be6 (9...Nc6 10.d4 Be6 11.cd5 Nd5 12.Nbd2 cd4 13.Nd4= 0.00) 10.cd5 Nd5 11.d4 Qb6 12.Qc2 Nb4 13.Qa4= -0.22.

8.Bb2 Re8 9.d3 Qb6 (9...Nc6 10.Nbd2 Be6 11.c4 dc4 12.dc4 Bf5 13.Nh4= -0.22; 9...Be6 10.Nbd2 Nc6 11.c4 dc4 12.dc4 Bf5 13.Nh4= -0.22) 10.Qc1 Bf5 11.Nbd2 Nc6 12.Rb1 Qa6 13.a3=+ -0.28.

8.Bb2 Re8 9.Re1 Bf5 (9...Nc6 10.Nc3 Be6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47; 9...Qb6 10.Qc1 Nc6 11.Nc3 Bf5 12.Rb1 Rad8 13.Nb5=+ -0.34; 9...Be6 10.Nc3 Nc6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47) 10.Nc3 a6 11.a4 Nc6 12.Rb1 Qa5 13.Bf1=+ -0.56.

8.Bb2 Bf5 A) 9.Na3 Nc6 10.Ne5 Ne5 11.Be5 a6 12.d3 b5 13.c4=+ -0.53; B) 9.Nc3 Re8 (9...Nc6 10.Rb1 Re8 11.Re1 Qd7 12.a4 Rad8 13.Bb5=+ -0.37) 10.Ne5 a6 11.Bd3 Bd3 12.Nd3 b5 13.Qf3=+ -0.47; C) 9.a3 Re8 10.Re1 Qb6 11.Qc1 Qd6 12.Nc3 a6 13.a4=+ -0.50; D) 9.d3 Qb6 (9...Nc6 10.Nbd2 Re8 11.Rb1 Qd7 12.c4 dc4 13.Nc4= 0.00) 10.Bc3 Nc6 11.Nbd2 Rae8 12.Rb1 Qa6 13.Nb3= -0.22.

8.c3 Nc6 9.Bf6 Bf6 10.d4 c4 11.Qc2 b5 12.Nbd2 (12.a4 b4=+) 12...Re8 (12...Rb8 13.Rfb1=+) 13.Rfe1 g6 (13...Rb8 14.e4=+) 14.e4= Rb8 (14...Bg7 15.Rad1=) 15.a3 (15.a4 a6=) 15...Bg7 (15...de4 16.Ne4 Bg7 17.Nfd2=) 16.Bf1 (16.ed5 Bf5 17.Qb2 Qd5=) 16...de4=+ 17.Ne4 Bf5 18.g3 (18.Nfd2 Bh6 19.Qb2 Kg7=+) 18...Qd5 (18...Rb7 19.g4 Bg4 20.Bg2-+) 19.Nfd2 Nd4 (19...a5 20.Bg2=) 20.cd4= Qd4 (20...c3 21.Qc3 Be4 22.Ne4 Re4 23.Re4 Qe4 24.Qc7=) 21.Rad1 ½-½. Dzieniszewski,Andrzej – Kostyra, Jelenia Gora Poland, 1986.

8.c3 Nbd7 9.Bf6 Nf6 10.d4=+.

8.d4 Nc6 9.dc5 Ne5 10.Ne5 Bc5 11.Nc3 Re8 12.Nf3 Be6 13.Rb1=+.

8.Re1 Nc6 A) 9.Bb2 Bf5 (9...Be6 10.Nc3 Re8 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.50; 9...Qb6 10.Qc1 Bf5 11.d3 Rfe8 12.Nbd2 Rad8 13.Rb1=+ -0.31; 9...Re8 10.Nc3 Be6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.50) 10.Nc3 Re8 11.Rb1 a6 12.a4 Qa5 13.Bd3=+ -0.59; B) 9.Bf4 Ne4 10.d3 Bf6 11.de4 Ba1 12.ed5 Ne7 13.c4= -0.19.

8.Bf4 Nc6 A) 9.Bb5 Nh5 (9...Bd7 10.Nc3 d4 11.Ne2 Nh5 12.Rb1 Re8 13.Re1=+ -0.28; 9...Bg4 10.h3 Be6 11.Bc6 bc6 12.Ne5 Qe8 13.Nc3=+ -0.34) 10.Be5 Ne5 11.Ne5 Nf6 12.d4 Qb6 13.c4-/+ -0.72; B) 9.a3 Bf5 (9...Re8 10.Bb5 Bg4 11.h3 Bd7 12.Nc3 d4 13.ed4=+ -0.37; 9...Nh5 10.Be5 Ne5 11.Ne5 Nf6 12.d4 Bd6 13.c4=+ -0.53; 9...Be6 10.Ne5 Ne5 11.Be5 Ne4 12.d4 Bf6 13.f3=+ -0.44; 9...Bg4 10.h3 Bf5 11.Ra2 a6 12.d4 c4 13.a4=+ -0.41) 10.Bb5 Rc8 11.d3 a6 12.Bc6 Rc6 13.Be5=+ -0.69; C) 9.Re1 Ne4 10.d3 Bf6 11.de4 Ba1 12.ed5 Ne7 13.c4= -0.22; D) 9.Ne5 Ne5 10.Be5 Be6 11.Nc3 a6 12.d4 Nd7 13.Bf3= -0.06.

8.h3 Nc6=+ 9.Bh2 (9.Bf4 Bf5=+) 9...h6 (9...Bf5 10.Ne5=+) 10.Nc3 (10.Ne5 Ne5 11.Be5 Ne4=+) 10...Be6 (10...Bf5 11.Rb1=) 11.a4 (11.Qb1 d4 12.ed4 cd4=) 11...a6=+ 12.Ne5 (12.Qb1 Ra7=+) 12...Ne5 13.Be5 Bd6 (13...d4 14.ed4 cd4 15.Nb1=+) 14.Bd6 (14.d4 Ne4 15.Ne4 de4 16.Bd6 Qd6=) 14...Qd6 15.Bf3 (15.d4 Rac8=+) 15...Rac8 (15...b6 16.d4=+) 16.Ne2 (16.a5 Rc6=) 16...Bf5 (16...b6 17.a5=+) 17.Ng3 (17.a5 Rc6=) 17...Be4 (17...Bg6 18.Rb1=) 18.d3 (18.a5 Rb8=) 18...Bf3 19.Qf3 g6 (19...b6 20.c4 Qe6 21.Rfb1=) 20.Rfb1 (20.c4 Rfd8+=) 20...b6 21.Ra2 (21.c4 Rb8+=) 21...Rfe8 (21...Nd7 22.Rab2=) 22.Ne2 (22.c4 Rb8=) 22...Rc6 (22...d4 23.Rab2 Nd5 24.Nf4=) 23.Rab2 Kh7 (23...Nd7 24.a5=) 24.Nf4+= Re5 (24...Kg7 25.c4 dc4 26.dc4+=) 25.c4 Kg7 (25...d4 26.a5 ba5 27.Rb7+=) 26.cd5+/- Nd5 27.Nd5 Rd5 (27...Qd5 28.Rb6 Qf3 29.gf3 Rb6 30.Rb6+/-) 28.Rb6! Rb6 29.Rb6 Qb6 (29...Qe5 30.Qe4 Qe4 31.de4+/-) 30.Qd5 Qb4 31.Qe5 (31.Qc4 a5+/-) 31...Kg8 32.Qa1 (32.Qe8 Kg7+/-) 32...c4 (better 32...Qb3!?=) 33.dc4+/- Qc4 34.Qd4 Qc1 (34...Qc6 35.e4+/-) 35.Kh2 Qc7 (35...Qc6 36.e4+/-) 36.Qf4 (36.g3!?+/-) 36...Qf4+= 37.ef4 Kf8 (37...f5 38.Kg3+/-) 38.Kg3 (38.f5 gf5 39.Kg3 Ke7+/-) 38...Ke7 (38...f5 39.h4 h5 40.Kf3+-) 39.Kf3 (39.f5 gf5 40.a5 Kf6+/-) 39...Kd6 (39...f5 40.Ke3 Ke6 41.Kd4+-) 40.Ke4 f6 (40...Ke6!? 41.f5 gf5 42.Kf4 a5+/-) 41.Kd4 (41.f5 g5+-) 41...a5 42.g4 Kc6 (42...f5 43.g5 h5 44.h4+-) 43.f3 (43.Kc4 f5 44.g5 h5+-) 43...Kd6 44.h4 g5 45.fg5 fg5 46.hg5 (better 46.h5+-) 46...hg5 47.Ke4 Kc5?? (47...Ke6 48.f4 gf4 49.Kf4 Kf6 50.g5 Kg7=) 48.Kf5 Kb4 49.Kg5 (better 49.f4 gf4 50.Kf4 Ka4 51.g5+-) 49...Ka4 50.f4 (better 50.Kf4 Kb4 51.Ke4+-) 50...Kb3 (50...Kb5 51.f5 a4 52.f6+-) 51.f5 a4 52.f6 a3 53.f7 a2 54.f8Q a1Q 55.Qf7 (55.Kg6 Qe1+-) 55...Kb4 56.Qf4 (56.Kg6 Qa6 57.Kg7 Qa1 58.Kg8 Qc1+-) 56...Kb5 (56...Kc5 57.Kg6+-) 57.Qf5 (57.Kf5 Qb1 58.Kf6 Qd1+-) 57...Kc4 (57...Kb4 58.Qe4 Kc5 59.Kg6+-) 58.Kg6 Qa8 (58...Qh8 59.g5+-) 59.Qf7 (59.Kg7 Qa1 60.Qf6 Qg1+-) 59...Kd3 (59...Kb5 60.g5+-) 60.g5 Qe4?? (better 60...Qb8+-) 61.Qf5 1-0. De Visser,Arno - Oudejans, 1986.

9.Nc3 Be6 (9...Bf5 10.Rb1 Re8 11.Re1 Qd7 12.a3 Rad8 13.Bb5=+ -0.31; 9...Re8 10.Re1 Be6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.47) 10.Re1 Re8 11.Rb1 d4 12.ed4 cd4 13.Nb5=+ -0.50.

9.c4 Be6=+ 10.cd5 Bd5 11.Nc3 Be6 12.a3 a6 (12...Re8 13.d4=+) 13.Qc2 Qc7 (13...b5 14.d3=+) 14.Ne4= Ne4 15.Qe4 g6 (15...Qd6 16.d3=) 16.Qc2 (16.d3 b5+=) 16...f6 (16...b5 17.d3=) 17.Bc4+= Bf7 18.Bf7 Rf7 19.d4 b6 (19...cd4 20.Bd4 Rd8 21.Rfc1+=) 20.Qc3 (20.d5 Ne5 21.Ne5 fe5=) 20...Raf8 (20...cd4 21.Nd4 Bc5 22.Ne6+=) 21.dc5 (21.d5 Ne5 22.Ne5 fe5 23.Qe5 Bf6 24.Qc7 Rc7 25.Bf6 Rf6+/-) 21...Bc5+= 22.Rfd1 Ne7 (22...Rd8 23.Qc4+=) 23.Ng5 fg5?? (23...Nd5 24.Rd5 Re7+-) 24.Qh8 1-0. Ruhle,Ernst_Olav - Maibach,B, FO4, 1995.

9.c4 Bf5 10.d4 Rc8 11.dc5 Bc5 12.Nbd2 dc4 13.Bc4=.

9.c4 Bf5 10.d4 cd4 11.Nd4= Nd4 12.Bd4 Rc8 13.cd5 Nd5 14.Qb3 (14.Bf3 Bc2 15.Qd2 b6=) 14...Nb4 15.Nc3 (worse 15.Ba7 Be6 16.Qa4 Nc2-+) 15...Qa5 16.Bf3 (16.Rac1 Rfd8=) 16...Nc2 (16...b6 17.e4 Rfd8 18.Nd5 Nd5 19.ed5=) 17.Nd5 Bg5 (17...Ba3 18.Rad1 Nd4 19.Rd4=) 18.Rad1 Nd4 19.Rd4 (worse 19.ed4 Bc2 20.Qb7 Bd1 21.Rd1 Rfe8-/+) 19...b5 20.h4 (20.Be4 Be4 21.Re4 Rc6+=) 20...Bd8= 21.h5 Re8 22.h6 Bg6 (22...gh6 23.Bg4 Be6 24.Be6 Re6 25.Rfd1+=) 23.a4 ba4 24.Ra4 Qc5 25.Bg4 (25.Qb2 gh6 26.Raa1 Bd3+/-) 25...Rc6 (25...Ra8 26.Bd7 Rf8 27.hg7 Kg7 28.Qb2 Kg8 29.Qe5+/-) 26.Bd7 (26.Qb2 Bf6 27.Qb7 Rd8 28.Nf6 Rf6 29.Qa7 Qa7 30.Ra7 Rfd6+/-) 26...Bc2+= 27.Qb2 (better 27.Qa2 Ba4 28.Be8+=) 27...Rg6? (27...Rh6 28.Be8 Qd5 29.Ra7 Bg6+-) 28.Nf4+/- (28.Be8?! A) 28...Ba4 29.Nf4 (worse 29.Ba4 Qd5 30.f3 Bb6-/+) 29...Bf6 30.Bf7 Kf7 31.Qa2 Ke7 32.hg7 (32.Qa4?! Rh6 33.Rd1 Qe5+/-) 32...Rg7 33.Qe6 Kf8 34.Qf6 Ke8 35.Qg7+-; B) 28...Qd5 29.Bf7 Kf7 30.Ra7 Ke8=) 28...Ba4 29.Be8 Be8 30.Ng6 Bf6 31.Qb8 Qc6 (31...hg6 32.Qe8 Kh7 33.Qf7 Kh6 34.g4+-) 32.Nf4 a5 (32...gh6 33.Qa7 Be5 34.Nd3+-) 33.Nh5 (33.Nh5 Kf8 34.Nf6 Qf6 35.hg7 Qg7 36.Qd6 Kg8 37.Rc1+-) 1-0. Ruhle,Ernst_Olav - Cottarelli,Franco, corr ICCF TT/6/02/1, 2004.

9.c4 Bf5 10.d4 h6 11.Nc3 Re8 12.Ne5 (better 12.dc5 dc4 13.Bc4 Bc5 14.Rc1=) 12...Qc7 (better 12...cd4 13.ed4 Qb6=) 13.Nd5+/- Nd5 14.cd5 Nb4 15.Qb3 (15.Bb5!? Red8 16.Qf3+-) 15...cd4+= 16.ed4 Bc2 17.Qf3 f6 18.Nc4 (18.a3 Na6 19.Bb5 fe5 20.Be8 Re8 21.de5 Bg5+/-) 18...Qd7 Exerts pressure on the isolated pawn 19.Ne3 Bg6 20.a3 Na6 (20...Nd3 21.Bd3 Bd3 22.Rfd1+=) 21.Qg4 Qg4 22.Bg4 Rad8 23.Rac1 Bd6 24.Rfe1 Bf4 25.Bf3 (25.Be6 Bf7+/-) 25...Be4+= 26.Be4 Re4 27.g3 Be3 28.Re3 Re3 29.fe3 Rd5 30.Rc3 (30.e4 Rb5 31.Rc2 f5+=) 30...Kf7 31.Rb3 b6 32.e4 Rd7 33.Kf2 Nc7 34.d5 Ne8 35.Ke3 Nd6 36.a4 (36.Kf4 Nc4 37.Bc3 g5 38.Kf3 f5+=) 36...Nc4 (36...Re7!? 37.Ba3 Re4 38.Kf3 Nc4 39.Ke4 Nd2 40.Kd3 Nb3=) 37.Kd4 Nb2 38.Rb2 Ke7 39.Rc2 Kd8 40.e5 fe5 41.Ke5 Re7 42.Kd4 Rc7 43.Rf2 Ke7 44.Ke5 Rd7 45.Rc2 Kd8 46.d6 Rf7 47.Ke6 Rf6 48.Kd5 Rf5 49.Kc6 Rf7 (49...g5 50.Rc4+/-) 50.Rc4 (50.Re2 Rf5+/-) 50...Rf2 51.h4 Rf6? (51...g5 52.Re4+/-) 52.Rg4 (52.Rf4 Kc8 53.Rf6 gf6+-) 52...Rf7? (better 52...g6+/-) 53.Rf4+- Rf4 54.gf4 Kc8 55.h5 a5 (55...Kd8+-) 56.Kb6 (56.d7 Kd8 57.Kd6 b5 58.ab5 a4 59.b6 a3 60.b7 a2 61.b8Q) 56...Kd7+- 57.Kc5 Kd8 58.Kc6 Kc8 59.d7 Kd8 60.Kd6 g5 (60...g6 61.hg6 h5 62.g7 h4 63.g8Q) 61.hg6 (61.hg6 h5 62.g7 h4 63.g8Q) 1-0. Osmak,Yulia - Barchuk,Irina, UKR-ch U12 Girls, 2009.

9.d3 (--> 8.d3 Nc6 9.Bb2).

9.d4 c4 10.c3 Bg4 11.Qc2 Qc7 12.Nbd2 Bd6 13.h3 Bh5 14.Rfe1 Bg6 15.Qc1 Qd7 16.Nh4 h6 (better 16...Be4!?=+) 17.Ng6+= fg6 18.Bf3 (18.e4 Bf4 19.ed5 Bd2 20.Qd2 Qd5+=) 18...Kh7 19.e4 de4 20.Ne4 Ne4 21.Re4 (21.Be4 Rae8+=) 21...Qf7 (better 21...Rf3!? 22.gf3 Qh3-/+) 22.Qc2 Kh8 23.Rae1 g5 24.Bc1 Qf5 25.Qe2 Qd7 (25...Na5!?+/-) 26.Bg4 Qf7 27.Be6 Qf6 28.Bc4 Rac8 29.Re6 Qd8 30.Qh5 Bf4 (30...Qc7+-) 31.Rh6! gh6 (31...gh6 32.Qh6 Mate attack) 32.Qh6 1-0. Osmak,Yulia - Tribushnaya,Anna, UKR-ch U10 Girls, 2008.

9.Re1 Qb6 10.Qc1 Re8 11.Nc3 Bf5 12.a3 Qc7 13.Rb1=+.

9.Re1 Qb6 10.Qc1 Bf5 11.d3 Qc7 12.Nbd2 Rad8 13.c4 Nb4 14.cd5 Bd3 (14...Nfd5? 15.e4 Nf4 16.Be5 (16.ef5?! Ne2 17.Re2 Nd3+=) 16...Ne2 17.Re2+-; 14...Rd5? 15.e4 Nd3 16.Bd3 Rd3 17.ef5+-; worse 14...Nd3 15.Bd3 Bd3 16.e4+=) 15.a3 Be2 16.Be5 Qb6 17.ab4 Bf3 18.bc5 Bc5 19.Nf3 (19.Rb1 Bb4 20.Nf3 Nd5=+) 19...Nd5=+ 20.Qc4 Qb4 21.Qc2 b5 22.Red1 Qc4 23.Qb2 f6 24.Bd4 b4 25.Bc5 Qc5 26.Rd4 Qc3 27.Qb1 Ne3 28.Rd8 Rd8 29.fe3 Qe3 30.Kh1 b3 31.Qb2 h6 32.Qa3 Rb8 33.Rb1 (33.Qa7?? Qa7 34.Ra7 b2-+) 33...Qd3 34.Re1 Rb7 35.h3 Kh7 36.Rg1 f5 37.Re1 a5 38.Re8 (38.Qa5? b2-+) 38...Rb4 39.Re1 (39.Qa5? b2 40.Qb4 b1Q 41.Qb1 Qb1 42.Kh2 Qb5-+) 39...Qb5 Black intends a4 40.Qb2 Re4 41.Rd1 a4 42.Nd4 (42.Qa1 b2 43.Qa2 Re3-/+) 42...Qd5 43.Qa1 Qe5 44.Qc3 (44.Qa4?? Re1 45.Re1 Qe1 46.Kh2 b2-+) 44...Re3 45.Qc1 (45.Qa1!?-/+) 45...Rg3 (45...Qe4 46.Kh2 Rd3 47.Rd3 Qd3 48.Qb2-+) 46.Nf3 (46.Kg1 Qe4 47.Qd2 a3-+) 46...Qe2 47.Rd2 Qe3 (47...Qe3 48.Qd1 a3-/+) 0-1. Hoch,Hubertus (2210) - Figlio,Gino Franco (2445), 60yearsBdF-WS18, 2006.

9.Re1 Be6 10.Nc3 Re8 11.Bb5 Qc7 12.a4 a6 13.Bc6=+.

9.Re1 Re8 10.Nc3 Be6 11.Rb1 d4 12.ed4 cd4 13.Nb5=+.

9.Re1 Bf5 10.Nc3 Re8 11.Rb1 a6 12.a4 Qa5 13.Bf1=+.

9.Ne5 Qe8 (9...Qb6 10.Nc6 Qc6 11.Nc3 Bf5 12.Re1 Qe6 13.d3=+ -0.28; 9...Qc7 10.Nc6 Qc6 11.Nc3 Bf5 12.Rb1 Qe6 13.Bf3= -0.25) 10.d4 c4 11.Bf3 Bd6 12.Nc6 Qc6 13.Ba3=+ -0.41.

9.Bb2 dc4 10.Na3 Bg4 11.Nc4 Qd5 12.Nce5 Ne5 13.Ne5 Be2 14.Qe2 Rfd8 15.d4 Rac8 16.Rfd1 c4 17.Rac1 b5 18.f3 Qe6 19.e4 Qa6 20.Ba1 Nh5 21.g3 Ba3 22.Rc2 Nf6 23.f4 Qa4 24.d5 c3 25.Rc3 Rc3 (worse 25...Ne4 26.Ra3 Qa3 27.Qe4=) 26.Bc3 Ne4 27.Ba1 Nf6 28.Nc6 Rd5 29.Re1 Bc5 30.Kh1 h5 31.Bf6 gf6 32.Qe8 Kg7 33.Nd8 Rd8 34.Qd8 Qc4 35.Qa8 Qa2 36.Qf3 (36.Re8 Qb1 37.Kg2 Qc2 38.Kh3 Qf5 39.Kg2 Qc2 40.Kh3 Qf5 41.Kg2 Qc2=) 36...Qd2 37.Rf1 Qc2 38.Qh5 Qe4 39.Rf3 Bb6 40.Kg2 b4 41.Qb5 f5 42.Qe5 f6 43.Qb5 Kh6 44.Qf1? (44.Qa6!?=+) 44...a5 (44...b3 45.Qd3 b2 46.Qe4 fe4 47.Rb3-+) 45.Kh3 (better 45.Qb5!? Qc2 46.Kf1-/+) 45...a4-+ 46.Rd3 Qe8 (46...Kg6!? 47.Qd1 Qe8-+) 47.Rd6-/+ Bd8 48.Qd3 (48.Ra6 a3 49.Ra8=+) 48...Be7-+ 49.Re6 b3 50.Qc3 (50.Qe2 Qh5 51.Qh5 Kh5 52.Re7-+) 50...Qf7 51.Qc8? (51.Re3 Kg6-+) 51...b2 (51...Kg7!? 52.Re1 Bb4 53.Rc1-+) 52.Rb6 a3 53.Qa8 (53.Qc2 Bf8-+) 53...Kg6 (53...Bc5 54.Rb7 Qf8 55.Rb8=) 54.Rb8 (54.Rb7 Kg7 55.Qb8 Kh7-+) 54...Bd6 55.Rb7 Qf8 56.Qa4 Qh8 57.Kg2 Qg8 58.Kh3 Bc5 59.Qb5 Bb4 (59...Bb4 60.Qb4 Qh8 61.Kg2 Qe8+=; better 59...Be3-+) 0-1. Fekete,Albert - Ruhle,Ernst_Olav, corr ICCF TT, 2005.

9.Bb2 Be6 10.cd5 Nd5 11.Na3 Ndb4 (11...a6 12.Nc2=+) 12.Bc4 (12.Qb1 Qd5=+) 12...Bc4 (12...Nd3 13.Rb1=+) 13.Nc4 Nd3 (13...b5 14.Nce5=+) 14.Bc3 b5 15.Nce5 Nce5 16.Ne5 Ne5 17.Be5 Qd5 18.Bb2 (18.d4 Rac8=+) 18...f5 19.Qc2 Rfd8 Attacks the backward pawn on d2 (19...Rad8 20.Rfd1=+) 20.Rfd1 (20.d4 c4=+) 20...Qd3 21.Rac1 a5 (21...Rd7 22.Be5=+) 22.Qc3 (22.Be5 Rd5 23.Qd3 Rd3=+) 22...Qc3-/+ 23.Rc3 b4 (23...Rd5 24.Kf1-/+) 24.Rc4=+ Rd3 25.Kf1 Rad8 26.Ke2 Kf7 27.h3 R3d5 (27...g6 28.g4=+) 28.d3 Bf6 (28...a4 29.g4=) 29.Bf6 Kf6 30.Rd2 Ke6 (30...g5 31.g4=) 31.f3 (31.g4 Ke7=) 31...R8d7 (31...g5 32.g4=) 32.e4 fe4 33.fe4 Rg5 34.g4 Rd4 (34...h5 35.Kf3=) 35.Ke3 (35.Rd4 cd4 36.Rc2 h5=) 35...Rc4= 36.dc4 Rg6 37.Kf4 (better 37.Rd5!? Rh6 38.Rc5 Rh3 39.Kd4=) 37...Rf6-/+ 38.Kg3 (better 38.Ke3 Rh6 39.Rd5 Rh3 40.Kf4-/+) 38...Rf7 (better 38...Ke5!? 39.Rd5 Ke4 40.Rc5 Rf3 41.Kh4 Ra3-+) 39.Rd8 (better 39.Rd5!? Rc7 40.Kf2=) 39…a4 (39...a4 40.Re8 Re7-/+; 39...Ke5 40.Re8 Kd4 41.e5 Kc4 42.e6-+) 0-1. Sternik,Ryszard - Tiunkov,EV, corr ICCF EU-ch GT242, 1985.

9.Bb2 Be6 10.cd5 Nd5 11.Nc3 Re8=+.

9.Bb2 Be6 10.cd5 Nd5 11.d4 cd4 12.ed4 (12.Nd4 Rc8=+) 12...Rc8 13.Nbd2 Qb6 14.Nb3 Na5 15.Nfd2 Nb3 16.ab3 Nc3 (16...Nf4!?=+) 17.Bc3= Rc3 The pressure on the isolated pawn grows 18.Rb1? (better 18.Nc4 Qb4 19.Ra4 Qb3 20.Qb3 Rb3 21.Ra7=) 18...Qd4-+ 19.Nc4 Qd1 20.Rfd1 Rd8 21.Rd8 Bd8 22.h3 Bc7 23.f3? (23.Nd2 Bf4 24.Nc4 b5-+) 23...Bg3 (better 23...b5!? 24.Na3 a6 25.Ra1-+) 24.Rd1 g6 25.Rb1 Bf5 26.Rd1 Rb3 27.Na5 Rb2 28.Bc4 b6 (better 28...a6!? 29.Bf1-+) 29.Nc6 a5 30.Ne7 Kg7 31.Nf5 gf5 32.Ra1 b5 33.Bd3 a4 34.Bf5 Be5 35.Ra3 (35.Kf1-+) 35...Rb3 (better 35...Bd6 36.Ra1 a3-+) 36.Rb3-/+ ab3 37.Kf2 Kf6 (37...h6 38.g4-/+) 38.Bb1 (better 38.Bh7!? b2 39.h4=) 38...h6 39.Ke3 Ke6 40.Ke4 Kd6 (40...f5 41.Ke3-/+) 41.Kd3 Kc5 42.f4 Bf6 43.g4 Kb4 44.Kd2 Ka3 45.Kc1 Bb2 46.Kd2 b4 47.g5 (better 47.Be4!?=+) 47...Bc3-+ 48.Kc1 Bb2 (48...hg5 49.fg5 Be5 50.Be4 Bf4 51.Kb1 Bg5 52.Bd3-+) 49.Kd1 (better 49.Kd2!?=) 49...Bg7 50.Kc1 (better 50.Bd3-/+) 50...Bb2 51.Kd1 (better 51.Kd2=) 51…Bg7 ½-½. Coskun,Selin - Yakici,Irem, Wch U10 Girls, 2007.

9.Bb2 h6 10.d4= Be6 11.Nbd2 dc4 12.Bc4 cd4 (12...Bc4 13.Nc4 b5 14.Ncd2=) 13.Nd4 Nd4 14.Bd4 Bc4 15.Nc4 Qd5 (15...b5 16.Ne5+=) 16.Qe2 (16.Bf6 Qd1 17.Rad1 Bf6+=) 16...Qe6 17.Rfd1 b6 18.Rac1 Rac8 19.Bb2 Rfd8 20.Rd8 Rd8 21.Ne5 Bc5 22.a4 Qb3 (22...Rd5 23.Nc4=) 23.h3 (23.Nc6 Rd6 24.Ne7 Kh7+/-) 23...Ba3 (23...Ne4 24.Qc2 Qc2 25.Rc2 Rd1 26.Kh2=+) 24.Ba3 Qa3 25.Qc4 Rf8 26.Rd1 Qe7? (better 26...Qc5 27.Qc5 bc5+=) 27.Ng6+- (27.Ng6 Qe6 28.Qe6 fe6 29.Nf8 Kf8 30.Rc1+-) 1-0. Welti – Schipper, OH, 1992.

9.d4 Be6 10.Qb3 Na5 11.Qc2= dc4 12.Rd1 cd4 13.Nd4 Qb6 14.Ne6 Qe6 15.Bb2 b5-/+ 16.Na3 a6 17.Rac1 Nc6 18.h3 Nb4 19.Qb1 Rac8 20.Nc2 Qf5?? 21.Nb4 Qb1 22.Rb1 Bb4 23.Bf6+– gf6 24.Rb4 Rc5 25.a4 Rfc8 26.ab5 ab5 27.Rdb1 Rb8 28.Bc4! (28.Bc4 Kf8 29.Bb5+–) 1–0. Zimmer,Georg – Loots, corr, 1989.

9.d4 Be6 10.Qb3 cd4!? 11.Bd4 dc4 12.Qb7 Bd5 =+.

9.d4 Be6 10.cd5 Nd5 11.Bg3 cd4 12.Nd4 Bf6 -/+.

9.d4 Be6 10.Ng5 Bf5 11.Nd2 (11.Nf3 Rc8=+) 11...Nd7 (11...dc4 12.Nc4 Nd5 13.Nf3-/+) 12.Ngf3=+ Nde5 13.Ne5 Ne5 14.de5 d4 15.e4 (15.ed4 Qd4 16.Nf3 Qf4=+) 15...Bd7 16.Bd3 (16.Bg4 Bc6=+) 16...a6 (16...Qa5 17.f4-/+) 17.f4 (17.Rb1 Qc7=+) 17...b5 18.f5 (18.Qf3 Re8-/+) 18...Bg5 19.Nf3 (19.f6 Be3 20.Kh1 Be6-/+) 19...Be3 20.Kh1 Re8 21.g3 (21.Qc2 b4-/+) 21...Bc6 22.Qc2 b4 23.e6 (23.Rab1 Qe7-+) 23...fe6-+ 24.fe6 (24.Ne5 Bb7 25.Ng4 ef5 26.Rf5 Qe7-+) 24...Re6 25.Kg2 Qc7 26.Rf2? (26.a3 a5 27.ab4 ab4 28.Ra8 Ba8 29.e5 Bf3 30.Rf3-+) 26...Bf2 27.Kf2 Rae8 28.Re1 Qf7 29.Kg2 Rf6 30.Ng5 (30.Qd1 Qe6 31.Qc2 a5-+) 30...Qh5 31.Qd2 (31.Nh3-+) 31...h6 32.Nh3 (32.a3 Qg5 33.Qg5 hg5 34.ab4 cb4 35.h3-+) 32…Re4! (32...Re4 33.Re4 Qf3 34.Kg1 Be4-+) 0-1. Sayder,Hans Joachim - Meyer,Klaus Dieter, corr GER-ch qgC31, 1993.

9.cd5 Nd5 10.Bb2 Be6 11.d4 cd4 12.Nd4 Nd4 13.Bd4 a6 (13...Bf6 14.Bf3=) 14.Bg4 (14.Nd2 Rc8=) 14...Qd7 15.Be6 Qe6 (15...fe6 16.Nc3=) 16.Qb3 (16.Qf3 Bf6=) 16...b5 17.Nc3 Rfd8 (17...Nc3 18.Qc3 Rac8 19.Qb2=) 18.Rac1 Rac8?? (better 18...Nc3 19.Rc3 Qb3 20.ab3 a5=) 19.Nd5+- (19.Nd5 Bd6 20.Rc8 Rc8 21.Rd1+-) 1-0. Koller - Incelli,Renato, corr ICCF TT-4-90 SF, 1994.

9.cd5 Ne5 10.Ne5 Nd5 11.f4 (11.Bc4 Be6 12.Nc3 Bf6 13.Bd5 Bd5=+) 11...Be6 (11...Bf6 12.Bc4=+) 12.Na3 (12.Nc3 f6 13.Bg4 Bg4 14.Ng4 c4=) 12...a6 13.Nc2 Qc7 (13...b5 14.f5 Bf6 15.fe6 Be5 16.ef7 Rf7 17.Rf7 Kf7 18.d4 cd4 19.ed4=) 14.Qe1 (14.Bg4 f5 15.Bf3 b5=+) 14...Bf6 15.Qg3 Rfe8 16.d4 (16.Rac1 Rad8=+) 16...Nc3-/+ Black prepares c4 17.Bd3 (better 17.Bf3-/+) 17...c4 18.Bh7 (18.Ng4 Bg4 19.Bh7 Kh7 20.Qg4 b5-+) 18...Kh7 19.Qe1 Ne4 20.g4 (20.Rd1 Rac8-+) 20...Qe7 21.Qe2 (21.f5 Bd5 22.Nb4 Qd6-+) 21...Be5 (21...Rac8 22.g5 Be5 23.Qh5 Kg8 24.de5-+) 22.fe5 Qh4 (22...Bd5 23.Qf3-+) 23.Rf4 (23.Qg2 Ng5-+) 23...Ng5 24.Kh1 (24.Kg2 Nh3 25.Rff1 Rac8-+) 24...Rh8 (24...Bd5!? 25.e4 Be6 26.d5-+) 25.Raf1 Kg8 26.e4 (26.Nb4 Rd8 27.Rd1 Nh3-+) 26...Ne4 (better 26...Nh3 27.R4f3-+) 27.Re4 Bd5 28.Rff4 g5 29.Kg1 (29.Ne3 Be4 30.Re4-/+) 29...gf4 (29...Be4?! 30.Re4 Rc8 31.d5-+) 30.Rf4 Qg5 31.Rf5 Qd8 (31...Qc1 32.Rf1 Qb2 33.a4-+) 32.Rf6 Bc6 (32...c3 33.Qe3-+) 33.Rd6 (33.Qc4 Bd5 34.Qb4 Qd7-+) 33...Qg5 34.d5 Rh4 (better 34...Ba4 35.Nd4-+) 35.h3 Rh3 36.dc6 Rg3 (36...Rg3 37.Kh1 Rg4 38.Qg4 Qg4 39.cb7 Qe4 40.Kg1 Rb8-+) 0-1. Husslein,G - Salaske,Peter, corr SOK-89-45, 1989.

10.Na3 Rc8 11.d3 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Be5 Nd7 Black intends c4 15.Bf4 Nb6 Black plans c4 16.Rb1 a6 17.Qd2 c4 18.e4 cd3 19.Bd3 Be6 20.Rfd1 Bc4 21.Qe2 Qe8 22.Ne5 Bd3 23.Rd3 Bg5 24.Bg3 f5 25.f4 fe4 26.Qe4 Bf6 27.Re1 Be5 28.fe5 Qc6 29.Qc6 Rc6 30.e6 Nc4? (30...Re8 31.e7+=) 31.Bh4 (better 31.e7 Re8 32.Rd8+-) 31...Rd6? (better 31...Re8 32.e7 Rd6+/-) 32.Rd6+- (32.Rd6 Nd6 33.Be7+-) 1-0. Gorbatov,A (2375) - Bielczyk,J (2295), Open, Prague CZE, 2010.

10.Na3 d4 11.ed4 cd4 12.d3 h6 13.Nc2 Bc5 14.Nd2 Qb6 (14...Re8 15.Nb3 Qd6 16.Bf3=) 15.Nb3 Rfd8 (better 15...Rfe8!?=) 16.Rb1+/- Bg6 17.Nc5 Qc5 18.Ba3 Qa5 19.Rb7 Rab8 20.Rb3 Rb3 21.ab3 Qc3 22.Na1 (22.f4!?+=) 22...Re8= 23.f3 a5 24.Bd6 Nb4 Can d3 get defended? 25.Bb4 ab4 26.Kf2 Re3 27.Nc2 Rd3 28.Bd3 Bd3 29.Ne1 Bc4 30.bc4 Qe3 31.Kg3 Qg5 32.Kf2 Qe3 33.Kg3 Qg5 34.Kf2 Qe3 ½-½. Kilpatrick,Robert - Johnston,Tom, corr ch-SCCA, 1989.

10.d4 Rc8 11.dc5 Bc5 12.Nbd2 dc4 13.Bc4=.

10.d4 Rc8 11.dc5 Bc5 12.cd5 Nd5 13.Nc3 Nc3 14.Bc3 Bb4 (14...Qe7 15.Qb3=+) 15.Bb4= Nb4 16.Nd4 Be4 17.Bf3 Bf3 18.Qf3 b6 19.Rfd1 Qe7 20.Rd2 Rc5 21.Rad1 Ra5 22.Nc6 Nc6 23.Qc6 Qe6 24.Qe6 fe6 25.f3 Rc8 26.Kf2 Kf7 27.e4 Kf6 28.Rb1 Rac5 29.Rb3 g5 30.Ke3 Rc2 31.Ra3 R8c3 32.Rc3 Rc3 33.Kd4 Rc7 34.Rb2 h5 35.h3 h4 36.Kd3 Ke5 37.Rb5 Kf4 38.Kd2 e5 39.Rb2 Kg3 40.Kd1 Rc8 41.Re2 b5 42.Rb2 b4 43.Rd2 Rc3 44.Rb2 a5 45.Re2 a4 Black prepares b3 46.Rd2 b3 47.ab3 ab3 48.Rb2 Rc2 49.Rb3 Rg2 50.Rb5 Kf4 51.Rb3 (51.Ke1-+) 51...Rf2 52.Ke1 Rf3 (52...Rf3 53.Rb7 Rh3-+) 0-1. Gerold,Guenter - Grabner,Helmut, EU/M/1030 corr ICCF, 1993.

10.d4 cd4 11.Nd4= Nd4 12.Bd4 dc4 13.Bc4 Qc7 14.Nd2 Rac8 15.Bb3 (15.Ba7? b5 16.Bb5 Qa7-+) 15...Ng4 Do you see the mate threat? 16.g3 Ne5 17.Qh5 (17.e4 Bh3 18.Re1 Bf6=+) 17...Qd7 (17...g6 18.Qh6 Rfd8 19.Rad1=) 18.Rad1 (18.Nf3!? Ng4 19.Bg7 Kg7 20.Rad1=) 18...Nc6=+ 19.Rc1 (19.Nf3 Bg4 20.Qd5 Qd5 21.Bd5 Nb4 22.Bb7 Rc7-/+) 19...Bh3 20.Rfe1 Nd4 21.Rc8 Qc8 22.ed4 Bb4 23.Qd1 Bg4 (23...Qc6 24.d5 Qh6 25.Re3=+) 24.f3 Be6 25.Be6 fe6 26.Re3 Rd8 27.Nb3 a5 28.a4 (28.a3 Ba3 29.Na5 Bb2=+) 28...Qc6=+ 29.Qd3 Rc8 30.Qe4 The isolani on e6 becomes a target 30...Qe4 31.fe4 b5 32.ab5 a4 The passed pawn on a4 quickly leads to threats 33.Kf2 Rb8 34.Na1 Rb5 35.Nc2 e5 Black fights for the Initiative 36.Kf3 ed4 37.Nd4 Rb6 38.Re2 a3 39.Nb3 (39.e5 Bc3 40.e6 Kf8-+ (40...Bd4?! 41.e7 Rb3 42.Kg4=)) 39...Be7 (39...Bc3 40.Nc1-/+) 40.Nc1 Rb2 41.Na2 Bc5 42.g4 (42.Rb2 ab2 43.Nc3 Kf7-/+) 42...Kf7 43.Rb2 ab2 44.Nc3 Kf6 45.Ke2 Kg5 46.Kd3 Kg4 (46...Bd6 47.Kc2-+) 47.Kc2 Bd6 48.Nd1?! (48.Na4-+) 48...Be5 49.Ne3 Kf4 (49...Kf4 50.Nc4 Ke4 51.Nd2 Kf4-+) 0-1. Markus,Roland - Steinmann,Joachim, corr TKM/A005, 1999.

10.cd5 Nd5 11.d3 Bf6 (11...Ndb4 12.Ne1 Bf6=+) 12.Bf6 (better 12.Qd2!? Ndb4 13.e4=+) 12...Qf6-/+ (12...Nf6?! 13.Qb3=+) 13.Nbd2? (13.d4!?-/+) 13...Nc3-+ 14.Qe1 Nb4 15.Ne4 Be4 16.de4 Nc2 (16...Nba2 17.Bc4+/-; 16...Nca2?! 17.Bc4 Nc2 18.Qd2=+) 17.e5? (17.Qd2 Ne2 18.Qe2 Na1 19.e5-+) 17...Ne1 18.ef6 Ne2 19.Kh1 Nf3 20.gf3 Rfd8 (20...Rfd8 21.Rfb1 b6-+; 20...b5 21.Rfb1 Nc3 22.Rc1-+) 0-1. Innorta,Giuseppe - Saba,Maria, corr Italy, 1977.

10.cd5 Nd5 11.d4 Ndb4 12.Nc3 cd4 13.Nd4 Nd4 14.Qd4 Qd4 15.ed4 Rfd8=+.

10.cd5 Nd5 11.d4 Qb6 12.Qd2 (12.Qb3 Rfd8=) 12...Rad8 13.Na3 (13.Rd1 Rfe8=+) 13...Qb4 14.Nc4 b5 15.Qb4 Ndb4 (worse 15...cb4 16.Nce5 Ne5 17.Ne5+=; worse 15...Ncb4 16.Na3=+) 16.Nce5 Ne5 17.Ne5 c4 (17...f6 18.a3 fe5 19.ab4 cd4 20.Bb5 Bb4 21.Ra7=+) 18.a3 Nd5 19.Nc6 Rd7 20.Ne7 Re7 21.Rfc1 Rc8 Black prepares c3 22.a4 (better 22.g4!? Bg6 23.a4=) 22...c3-+ 23.Ba3 (better 23.ab5 cb2 24.Rc8 Bc8 25.Rb1-+) 23...b4 24.Bf3 Be4 (24...ba3 25.Bd5 c2 26.Ra3=) 25.Bb2 (25.Bb4 Nb4 26.Be4 Re4-+) 25...Bf3 (25...Rc6 26.Ba3 Bf3 27.gf3 ba3 28.Ra3-+) 26.gf3 Rc6 (26...Ree8 27.Ba3 a5 28.Kf1-+) 27.Rab1 f5 28.Ba1 Ra6 29.Kg2 (29.Kf1 Ra4 30.Re1 c2-+) 29...Ra4 30.Kg3 (30.Kf1 Ra6-+) 30...Ra2 31.f4 a5 32.Re1 (32.Kf3 a4-+) 32…Nf6 (32...Nf6 33.f3 Nh5 34.Kh3 Rf2 35.Bc3 bc3 36.Rb8 Kf7-+) 0-1. Kupec,J - Borrmann,F, CiF, 1996.

9.Bb2 b5 10.Nbd2 Nd7 11.c4 dc4 12.dc4 b4 13.Qc2 Nb6 14.Rfd1 Qc7 15.Nf1 Be6 16.Ng3 Rfd8 17.Nh5 f6 18.Qe4 Bf7 19.Qg4 (19.Nf4!?=) 19...Bh5-/+ 20.Qh5 Na4 21.Rab1 g6 22.Qh3 f5 23.Rd5 Nb2 24.Rb2 Bf6 25.Rbd2 Ne7 26.Rd8 Rd8 27.Qg3 Qb6 28.Kf1 (better 28.Rd8!? Qd8 29.Qf4=+) 28...Kg7 29.h4 Rd2 30.Nd2 Qa5 31.Qd6 Qa2 32.g4 fg4 (32...Bh4?! 33.Nf3 Qb1 34.Bd1-+) 33.Kg2 Qc2 34.Bg4 Bh4 35.Bf3 h5 36.Ne4 Nf5 (36...b3 37.Qe5 Kh7=+) 37.Qc5 Be7 38.Qe5 Kf7 39.Bh5 Nh4 (39...gh5 40.Qf5 Kg7 41.Qe5 Kf7 42.Qh5 Kf8 43.Qh6 Kf7 44.Qh7 Kf8 45.Qf5 Kg7 46.Qe6+-) 40.Kh2 gh5 41.Qh5 Ke6 1-0. Lorenc,Tomas1 (2100) - Plischki,Sebastian (2395), 40th Vsetin Open, 2015.

9.Bb2 b5 10.Nbd2 Nd7 11.c4 dc4 12.dc4 b4 13.Ne4 Nb6 14.a3 (14.Qc2 Qc7=) 14...Qd1 15.Rfd1 Na4 16.Be5 f5 17.Nd6 Ne5 18.Ne5 (worse 18.Nc8 Nf3 19.Bf3 Rac8 (19...Rfc8?! 20.Ba8 Ra8 21.ab4=) 20.ab4 Nc3-+) 18...Nc3 19.Bf3 (worse 19.Nc8 Rac8 (19...Ne2?! 20.Kf1 Rac8 21.Ke2=+) 20.Rd2 Bf6-/+) 19...Be6 (19...Nd1 20.Bd5 Kh8 21.Nef7 Rf7 22.Nf7 Kg8 A) 23.Ba8?! Nc3 (worse 23...Kf7 24.Bd5 Kf6 25.Rd1+/-) 24.Ne5 b3 25.Bd5 Kf8=+; B) 23.Ne5 Kf8 24.Ba8+- (24.Rd1?! Rb8 25.Nc6 Rb6 26.Na7 Bd7=)) 20.Ba8 (20.Nc6 Bf6 21.ab4 Nd1 22.Rd1 cb4 23.Nb4 Rad8+=) 20...Nd1 21.Rd1 Ra8 22.ab4 cb4 23.Nc6? (better 23.c5!? a5 24.Nc6=+) 23...Bd6-/+ 24.Rd6 b3 (24...Bc4?! 25.Rd4 Bb5 26.Nb4=+) 25.Rd2 a5 26.Nd4 Bc4 27.Nf5 a4 28.Nd6 (28.Ne7 Kf8 29.Nc8 Rc8-+) 28...a3 29.Nc4 a2 30.Rd1 (30.h4 a1Q 31.Kh2 Ra4 32.Rd8 Kf7 33.Rd7 Ke8-+) 30…a1Q (30...a1Q 31.Rf1 Qc3-+) 0-1. Taus,Martin (2130) - Vesselovsky,S (2360), Ostravsky Konik A, 2011.

9.Bb2 d4 10.Qd2 b6 11.Na3 Re8 12.e4 (12.c4 dc3 13.Qc3 Nb4=) 12...Ba6 (12...a6 13.c3=+) 13.c4 Bb7 (13...dc3 14.Qc3 Nd4 15.Nd4 Qd4 16.Qd4 cd4 17.Nc2 Ne4 18.Bd4=+) 14.h3 (14.Rfe1 Qd6=+) 14...Bd6 15.Nh2 (15.Rae1 a6=+) 15...Ne5 (15...Qc7!? 16.Nf3 a6-/+) 16.f4= Nd3 17.Qd3 Be4 18.Qg3 (18.Qd2 Bf5=) 18...Bc6 (18...Bf5 19.Rae1=) 19.Bf3 (19.Rae1 Re3 20.Bf3 Nh5+=) ½-½. Betzelt,Thomas - Macchiagodena,Maurizio, corr ICCF TT-4-90 SF, 1995.

9.Bb2 d4 10.Nbd2 Nd5 11.ed4 Bf6 12.c3 cd4 13.cd4 Nf4 14.Re1 Nd4 15.Bd4 Bd4 16.Nd4 Qd4 17.Nb3 Qd5 18.Bf3 Qd3 19.Nc5 Qf5 20.Qd4 Rb8 21.Re5 Qf6 22.Ne4 Nh3 23.Kf1 Qf4 24.Rd1 Be6 25.Nd6 Rfd8 26.Qe3 Bc4 27.Nc4 Qc4 28.Ke1 Qb4 29.Kf1 ½–½. pierre – leobor, internet, 2006.

9.Bb2 d4 10.e4 Re8 11.Nbd2 b5 12.a4 (12.c3 dc3 13.Bc3 Be6=+) 12...ba4 (12...b4 13.Qb1=+) 13.Ra4 Bd7 14.Ra1 Bf8 (14...Rb8 15.Qc1=+) 15.Nc4 (15.c3 dc3 16.Bc3 a5=) 15...g6 (15...Be6 16.Nfd2=+) 16.Bc1 (16.c3 dc3 17.Bc3 Bg7=) 16...Bg7 (16...Be6 17.Ra4=) 17.Bg5 h6 18.Bh4 g5 19.Bg3 Nh5 (19...Be6!? 20.Nfd2 a5+=) 20.Bd6+/- Bf8 21.Bf8 Rf8 22.Nd4! Nf4 (22...cd4 23.Bh5 Discovered attack; 22...Nd4 23.Bh5 Discovered attack) 23.Nc6+- Bc6 24.Bg4 Qd4 (better 24...f5 25.Bf5 Rf5 26.ef5 Bg2+/-) 25.Qf3?? (better 25.Ne3+-) 25...f5=+ 26.Bh3 (26.ef5 Bf3 Pinning (26...Bf3 Deflection); 26.Bf5 Rf5) 26...fe4-+ 27.Qe3 ed3 28.Qd4 cd4 29.cd3 Nh3 (29...Nd3!? 30.Rfd1 Nf4 31.Ne5-+) 30.gh3-/+ Bf3 (30...Bb5!?-/+) 31.Rfe1 Rfe8 (31...Rf6 32.Re7=+) 32.Ne5= Bd5 33.Ng4 (33.Ra5 Rad8=) 33...Kg7 (33...Re1 34.Re1 Kf7 35.Re5=+) 34.Rec1 (34.Re8 Re8 35.Ra7 Kg6 36.Ra6 Re6 37.Re6 Be6 38.Ne5 Kf6=) 34...a5 (34...Bf7 35.Rc7 h5 36.Nh6 Kh6 37.Rf7=) 35.Rc7 Kg6 36.Rd7 Re6?? (better 36...Bb3=+) 37.Rd5+- a4 38.Rd4 a3 39.Ne3 h5 (39...a2 40.Rb4+-) 40.Rc4 (40.h4 a2+-) 40...a2 (40...Rb6 41.Kg2+-) 41.Rc2 Rd6 (41...Rea6 42.h4!+-) 42.Rca2 Ra2 43.Ra2 Rd3 44.Ra1 (44.h4!? gh4 45.h3 Rd4+-) 44...Rd4 45.Rd1 Rf4 46.Kg2 h4 47.Rd5 Kf6 48.Rc5 Kg6 49.Rc4 Kf6 (49...Rf6+-) 50.Rf4 (better 50.Nd5!? Kf5 51.Nf4 gf4+-) 50...gf4 51.Nd5 Ke5 52.Nc3 Kd4 53.Ne2 Ke4 54.Ng1 Kf5 55.Nf3 Kg6 56.Nh4 Kh5 57.Nf3 Kg6 58.h4 Kh5 59.Kh3 Kg6 60.Kg4 (60.Kg4 Kg7 61.h5+-) 1-0. BeepBeepImAJeep (2755) - cianmcgov (2480), lichess.org, 2020.

9.Bb2 Qd6 10.Nbd2 Ng4 11.c4 (11.Rb1 Re8= (11...f6 12.c4 Nb4 13.cd5 Qd5 14.d4 Qf7 15.h3 Nh6 16.dc5 Bc5) 12.h3 Nge5 13.Ne5 Ne5 14.c4 Bf6 15.cd5 Qd5 16.Qc2 Qa2; 11.h3 Nge5 (11...Nf6 12.c4 Bd7 13.Rb1 Rfe8 14.Re1 h6 15.Bf6 Bf6 16.cd5 Qd5) 12.Ne5 Ne5 13.c4 Be6 14.f4 Nc6 15.f5 Bd7 16.cd5 Qd5) 11...Bf6 (11...Be6 12.Qb3= (12.h3 Nf6 13.Ng5 d4 14.Ne6 Qe6 15.e4 Rfe8 16.f4 Rab8) 12...Bf6 13.Bf6 Nf6 14.Ng5 b6 15.cd5 Bd5 16.Nc4 Bc4; 11...Bd7 12.h3 Nf6 13.Rb1 Rfe8 14.Bf6 Bf6 15.cd5 Qd5 16.Ne4 Rab8; 11...Rb8 12.cd5 Qd5 13.h3 Nge5 14.Ne5 Ne5 15.Nc4 Nc4 16.dc4 Qd1) 12.Qc1 (12.d4 cd4 13.cd5 A) worse is 13...de3 A1) 14.dc6 ef2 (14...ed2?! 15.Bf6 Nf6 16.cb7 Bb7 17.Qd2 Qd2 18.Nd2=) 15.Kh1 Bb2-/+ 16.Nc4 Qd1; A2) 14.Nc4 ef2 15.Kh1 Qf4 16.Bf6 Qf6; A3) 14.Ne4 Qb4 15.Nf6 gf6 16.dc6+/- ef2; B) 13...Qd5 14.Nd4 Bd4 (14...Nge5 15.Nc6 bc6 16.e4 Qe6) 15.ed4 Nf6+= 16.Bc4 Qd6; 12.Rb1 Bb2 13.Rb2 b6 14.cd5 Qd5 15.h3 Nge5 16.Nc4 Be6) 12...b6 (12...Rd8 13.cd5 (13.h3 Bb2 14.Qb2 Nge5 15.Ne5 Qe5 16.Rab1 Rb8) 13...Qd5 14.Rd1= (14.Bf6 Nf6 15.e4 Qd6 16.Nc4 Qe7) 14...Be6 15.h3 Nge5 16.Ne4 Be7; 12...Be6 13.h3 Nge5 14.cd5 Bd5 15.Ne4 Be4 16.de4 Rfd8) 13.h3 (13.d4 cd4 14.Ba3 Nb4 15.ed4 (15.cd5 de3 16.Ne4 Qe7) 15...Re8= 16.Bb4 Qb4) 13...Bb2 14.Qb2 Nf6 15.d4 (15.cd5 Nd5 16.Nc4 Qf6) 15...cd4 (15...Be6 16.Rfd1= (16.Rac1 cd4) 16...cd4) 16.Nd4 Bd7 (16...Be6 17.Rfd1=; 16...Nd4=) 17.Nb5 Qe7 (17...Qb4 18.Rab1 Qb2 19.Rb2=) 18.Nc7+= d4 19.Na8 de3 (19...Ra8 20.Qb3+=) 20.Nc7 (better is 20.Nb6 ed2 21.Nd7 Qd7 22.Rfd1+/-) 20...Bh3? (20...ed2 21.Qd2 Bg4 22.hg4 Qc7 23.Rad1+/-) 21.Nf3 (21.Nd5 Nd5 22.cd5+– (22.gh3 Nf4 23.Nf3 ef2 24.Rf2 Nh3 25.Kg2 Nf2 26.Kf2 Qc5 27.Kg2 Qf5=)) 21...Qc7+/- 22.gh3 Ne4 23.Bd3 ef2 24.Rf2 Nf2 25.Kf2 Rd8 26.Rg1 g6 27.Be4 Ne7 28.Qe5 Rd2= 29.Ke3 Qe5 30.Ne5 Ra2 31.Bd5 Kg7 32.Rf1 f5 33.Nf3 Kf6 34.Kd4 f4 35.Ne5?? Nf5-+ 36.Ke4 Re2 37.Kf4 Re5 38.Ra1 Re7 39.Rb1 h5 40.Rc1 0–1. Abend,Peter (2120) – Negele,Michael (2140), Leverkusen, 1990.

9.Bb2 Be6 10.c4 (10.Nbd2 Qc7=+) 10...Qc7 (10...d4 11.ed4 Nd4 12.Nd4 cd4 13.Nd2=) 11.Nc3 Rad8 12.Qc1 (12.cd5 Nd5 13.h3 f6=+) 12...a6 (12...dc4 13.dc4 Bf5 14.Nh4=+) 13.cd5 (13.e4 dc4 14.dc4 Qb8=) 13...Nd5 14.Ne4 b6 15.d4 cd4 (15...Bf5 16.Ng3 Bg4 17.h3 Bf3 18.Bf3 cd4 19.Nf5+=) 16.Nd4 Nd4 17.Bd4 Qc1 (17...Qb7 18.Rd1=) 18.Rfc1 (18.Rac1 f5 19.Nd2 b5=) 18...Ba3 (18...f5 19.Nc3+=) 19.Rd1 (worse 19.Ba6 Bc1 20.Rc1 Ra8=+) 19...b5 20.Ng5 (20.Bf3 Nb4 21.Rd2 Rfe8=) 20...Bf5 21.Bd3 (21.Bf3 Be7 22.e4 Bg5 23.ef5 Rd7=) 21...Ne7 (21...Bd3 22.Rd3 Be7 23.Nf3=) 22.Rab1 ½-½. Krebs,Juergen (2345) - Nonnenmacher,Thomas (1950), BdF T, 2004.

9.Bb2 Re8 10.Nbd2 b5 11.a4 b4 12.c3 a5 13.c4 dc4 14.Nc4 Qc7 (14...Be6 15.Rb1=) 15.Rc1 Bd7 16.h3 Red8 17.Qc2 (17.Qb3 Nd5=) 17...Nd5 (17...Rab8 18.Nfe5=) 18.Rfd1 Bf5? (better 18...Rab8=) 19.e4+- Nf4 (19...Be6 20.ed5 Bd5 21.d4 cd4 22.Nd4+-) 20.ef5 Ne2 (20...Rab8 21.Re1+-) 21.Qe2 Re8 22.Qd2 (22.Re1 Rab8+-) 22...f6 (22...Rad8 23.d4 Nd4 24.Bd4 cd4 25.Nce5+-) 23.Qc2 Rad8 (23...Qf4 24.d4+-) 24.Ne3 (24.d4 Kh8+-) 24...Qd7 (24...Bd6 25.Nd2+-) 25.Qc4 Kh8 26.Qe6 (26.d4 cd4 27.Bd4 Nb8+-) 26...Qb7 (26...Qe6 27.fe6 Bd6 28.d4 Nd4 29.Nd4 cd4 30.Rd4+-) 27.Qf7 Rf8 28.Qc4 Qd7 (28...Bd6 29.d4 Nd4 30.Bd4 (worse 30.Nd4 cd4 31.Bd4 Rfe8+-) 30...cd4 31.Nd4+- (31.Rd4?! Rc8 32.Qf1 Bc5+-)) 29.d4 Nd4 30.Nd4 (30.Bd4 cd4 31.Nd4 Qa4+-) 30...cd4 31.Rd4 Qa4 32.Rd8 (32.Ra1 Rd4 33.Bd4 Qd7 34.Ra5 Rc8+-) 32...Rd8 (32...Bd8 33.Qc5 Qe8 34.Nc4+-) 33.Qf7 (better 33.Ra1 Qd7 34.Ra5+-) 33...Qe8 34.Qe8 Re8 35.Nd5 (35.Ra1 Ra8 36.Ra4 Kg8+-) 35...Bd6+/- 36.g3 (36.Kf1!? a4 37.Rc6+/-) 36...a4+= 37.Rc6 a3 38.Ba3 (better 38.Bc1!? a2 39.Bb2+=) 38...ba3=+ 39.Rd6 Ra8?? (better 39...a2 40.Ra6 Re1 41.Kg2 a1Q 42.Ra1 Ra1-/+) 40.Nc3 a2? (40...Kg8 41.Na2 Ra7+-) 41.Na2 h6 42.Nc3 Ra5 43.g4 Ra3 44.Rc6 Kh7 45.Kg2 h5 46.Nd5 hg4 47.hg4 Kh6 (47...Ra2 48.Rc8 Ra4 49.Kg3 Ra3 50.f3+-) 48.f4 Ra2 49.Kf3 Ra3 50.Ne3 Rb3 (50...Kh7 51.g5 fg5 52.fg5+-) 51.Rc8 (better 51.g5 Kh5 52.g6 Ra3+-) 51...Kh7 52.Rc1 (52.g5!? fg5 53.fg5 g6 54.Rc7 Kg8+-) 52...Ra3 (52...Kg8 53.g5 Kf8 54.Rc8 Ke7 55.Rc7 Kf8 56.g6+-) 53.Rh1 (53.g5 Ra8+-) 53...Kg8 54.g5 fg5 (54...Ra7 55.g6+-) 55.fg5 Ra4 56.Rc1 Ra3 (56...Ra8 57.Nd5 Rd8 58.g6+-) 57.g6 Kf8 58.Rc7 Rb3 59.Rf7 Kg8 60.Kf4 Rb4 61.Ke5 White prepares f6 61...Rb5 62.Nd5 White plans f6 62...Rb8 (62...Ra5 63.Rd7 Ra8 64.f6 Re8 65.Kd6 Rc8 66.Rg7 Kf8 67.Ne7 Rd8 68.Ke6 Rd6 69.Kd6 Ke8 70.Rg8) 63.Ne7 Kh8 64.f6 gf6 65.Kf6 (65.Kd5 Rb5 66.Kc4 Rh5 67.g7 Kh7 68.g8Q Kh6 69.Rf6) 65...Rb6 66.Kg5 Rb5 67.Nf5 Rb8 68.Rh7 (68.Kh6 Rd8 69.Ne7 Rd1 70.g7) 68...Kg8 69.Kh6 White intends g7 (69.Nh6 Kf8 70.g7 Ke7 71.g8Q Kd6 72.Nf5 Kc6 73.Qc4 Kb6 74.Rh6 Kb7 75.Qc6 Ka7 76.Qa6) 69...Rb6 70.Rg7 (70.Rd7 Rb8 71.Rg7 Kf8 72.Rf7 Ke8 73.Nd6 Kd8 74.g7 Rb6 75.g8Q) 70...Kh8 (70...Kf8+-) 71.Rc7 (71.Ne7 Rg6 72.Ng6) 71...Rb8 72.g7 (72.Ne7 Rg8 73.Rc8 Rc8 74.g7) 72...Kg8+- 73.Rd7 (better 73.Ne7 Kf7 74.Nc6 Kf6 75.Nb8 Ke6 76.g8Q Ke5 77.Qc4 Kd6 78.Rd7 Ke5 79.Nc6 Kf5 80.Rf7) 73...Rc8 74.Ne7 Kf7 75.Nc8 Ke6 76.g8Q (76.Re7 Kd5 77.g8Q Kc5 78.Re4 Kc6 79.Rc4 Kb7 80.Qg1 Ka6 81.Qb6) 76...Kd7+- 77.Qf8 Kc7 78.Ne7 (78.Qc5 Kb7 79.Nd6 Ka6 80.Qc6 Ka5 81.Qb5) 78...Kd6+- 79.Nf5 Ke5 80.Kg6 Kf4 ½-½. bjoernsen (2330) - taktycjusz (2325), Rated Blitz game, lichess.org, 2016.

9.Bb2 Bf5 10.Nbd2 b5 11.c4 bc4 12.dc4 d4 13.ed4 cd4 14.Nh4 Be6 15.Bd3 Rb8 16.Nb3 Qd7 17.Re1 Bb4 18.Re2 Bg4 19.f3 Be6 20.Qc2 (20.Bc1 Bd6=+) 20...a5 (better 20...Bd6 21.c5 Bf4=+) 21.Nf5? The pressure on the isolated pawn grows (better 21.a3 Bc3 22.Rb1=+) 21...a4-+ 22.Nbd4 (better 22.Nfd4 Nd4 23.Nd4-+) 22...Bc5 23.Qc3 (23.Kh1 Rb2 24.Qb2 Nd4 25.Rd2 Bf5 26.Bf5 Qf5 27.Rd4 Bd4 28.Qd4-+) 23...Nd4 (better 23...Bf5 24.Bf5 Bd4 25.Kh1 Qf5 26.Qc1-+) 24.Nd4 (24.Nh6 gh6 25.Rf2-+) 24...Rb2! 25.Qb2 (25.Qb2 Bd4 Double attack (25...Bd4 Decoy); 25.Rb2 Bd4 Double attack) 25…Bd4 (25...Bd4 26.Kh1 Bb2 27.Bh7 Kh7 28.Rb2 Qd4-+) 0-1. Mely (2150) - btwobmwabtwe (2430), ChessWorld.net, 2017.

9.Bb2 Bg4 10.Nbd2 Rc8 11.c4 dc4 12.Nc4 b6 13.Rc1 Re8 14.Re1 Bf8 (14...b5 15.Nce5 Ne5 16.Ne5 Be2 17.Re2=) 15.a3 (15.Qa4 Bd7=) 15...g6 (15...b5 16.Ncd2=) 16.Qa4 Bg7 17.Nce5 (17.Bf6 Bf6 18.Nb6 ab6 19.Qg4 Bb2+=) 17...Ne5= 18.Be5 (18.Ne5 Be2 19.Re2 Qc7=) 18...Bf3 19.Bf6 Bf6 (19...Bc6 20.Qc6 (worse 20.Bd8 Ba4 21.Bg5 Bb2-/+) 20...Qf6 21.Qa4=) 20.Bf3 a5 (worse 20...Qd3 21.Red1 (21.Qa7?! Bb2 22.Rb1 Qa3 23.Qb6 Rb8=) 21...b5 22.Qa6+/- (22.Rd3?! ba4 23.Rd7 Re7 24.Re7 Be7=; 22.Qa7?! Qf5+=)) 21.Red1 Qe7 (21...Qd6 22.g3=) 22.Qb5 Rb8 23.a4 Red8 24.Rc4 Qd7 25.Qd7 Rd7 26.Kf1 Kf8 (26...Rbd8 27.Be4=) 27.Ke2 Ke7 28.Re4 Kf8 29.Rc4 Ke7 30.Rb1 Rd6 (30...Be5!?+=) 31.Rc5!+/- Rbd8 (31...bc5 32.Rb7 Double attack (32.Rb8 Pinning; 32.Rb8 Deflection; 32.Rb5 Decoy)) 32.Rc7+- Kf8 (better 32...R8d7!? 33.Rd7 Kd7+-) 33.d4 Be7 34.Rc6 (34.Rb5!? Rb8+-) 34...Rc6 35.Bc6 Bb4 36.Rc1 Rc8 37.Rc2 Ke7 38.Kd3 Kd6 39.d5 f5 40.f3 Bc5 41.Rc4 Rf8 42.Rh4 Rf7 43.Rh6 Re7 44.e4 fe4 45.fe4 Rf7 (45...Ke5 46.Rh4+-) 46.Rh3 (46.h4!? Rf2 47.Rh7 Rg2+-) 46...Ke5+/- 47.Rg3 (47.Rh4 Be7 48.Rg4 Rf1+/-) 47...Rf1 48.Rg5 Kf6 49.Rg3 Ra1 (49...Ke5 50.h4 Re1+/-) 50.Rf3+/- Ke5 51.Rf7 Ra3 (51...Rd1 52.Ke2 Rd4 53.Rh7 Re4 54.Kd3 Rd4 55.Kc2 Rc4 56.Kb3+/-) 52.Kc4 Ke4?? (52...Re3 53.Rh7 Re4 54.Kb5+-) 53.Rh7 (better 53.d6 Ke3 54.d7+-) 53...Ra2? (better 53...Kf5+-) 54.d6 Ke5 (54...Kf5 55.d7 Rd2 56.Rh8+-) 55.d7 Rd2 56.Rh8 Be7 57.Re8 Kf6 (57...Ke6 58.Kb5 Rb2 59.Ka6+-) 58.Bd5 (58.Kb5 Rb2 59.Ka6 Rd2+-) 58...Rc2 (58...Rb2 59.Kd3 Rb4+-) 59.Kb5 (59.Kd3 Rc1 60.d8Q Bd8 61.Rd8 Rd1 62.Ke4 Re1 63.Kf4 g5 64.Kg4 Rd1 65.Rf8 Ke7+-) 59...Rb2?? (better 59...Rc5 60.Kb6 Rd5=+) 60.Ka6 (60.Kc6 b5 61.ab5 Rc2 62.Kb6 Rd2+-) 60...b5 (60...Rd2 61.Bc6+-) 61.ab5 a4 (61...a4 62.b6 a3+-). bjoernsen (2330) - HannHagen (2280), Rated Blitz game, lichess.org, 2016.

9.Bb2 Bg4 10.h3 Bh5 (10...Qb6 11.Qc1 Bf5 12.Nbd2=+) 11.Nbd2= Bd6 (11...Qc7 12.c4 Rad8 13.Rc1=) 12.c4 Bc7 (12...Bf3 13.Bf3 Be5 14.Qb3 Bb2 15.Qb2+=) 13.cd5 (13.Bf6 gf6 14.cd5 Qd5+=) 13...Nd5 14.Qb3 Bf3 (better 14...b6!?=) 15.Bf3+/- Nde7 (15...Qd6 16.g3 Rad8 17.Rac1+/- (17.Qb7?! Rb8 18.Qa6 Ne3=+)) 16.Rab1 (16.Be4 Qd6 17.g3 Rab8+/-) 16...b6 17.Nc4 Rb8 18.Qc3 f6 19.Rfe1 (better 19.a4+/-) 19...Ng6?? (better 19...b5 20.Nd2 Ne5+=) 20.Bc6+- Ne5 (20...b5 21.Na3 Ne5 22.Qc5 Nd3 23.Qd5 (23.Qa7?! Ne1 24.Re1 Bh2 25.Kh1 Be5 26.Be5 fe5+-) 23...Kh8 24.Red1 Nb2 25.Rb2+-) 21.Ne5 fe5 (21...Be5 22.d4 Rc8 23.Bb7 Bh2 24.Kh1+-) 22.Rbd1 (22.Be4 Kh8+-) 22...Qf6 23.Bf3 Qg5 (23...Qe6 24.Be4+-) 24.Bd5 Kh8 25.e4 (25.Qc4 Rbd8+-) 25...Rf6 26.Re3 Rbf8 27.Rg3 Qh5 28.Rd2 Rg6 29.Rg6 Qg6 30.Re2 Rf3 (30...Bd6 31.Qc2+-) 31.Kf1 Rf4 32.Re3 Qf6 33.Qd2 Qd6 34.Qe2 g6 (34...b5 35.g3 Rf6 36.Rf3+-) 35.Rf3 Qf6 36.Rf4 Qf4 37.g3 Qf6 (37...Qf8 38.Kg2+-) 38.Kg2 (better 38.Qg4 h5 39.Qc8 Bd8+-) 38...b5 (38...Qe7 39.f4+-) 39.Qe3 (39.Qg4 Qf8 40.Qe6 h6 41.Qg6 c4+-) 39...Bb6 (39...Qe7 40.Qh6 Qg7 41.Qh4+-) 40.Qf3 (better 40.f4 c4 41.fe5+-) 40...Qf3 41.Kf3 Bc7 42.Bc6 b4 43.a3 (43.Bc1 Kg7+-) 43...a5 (43...Kg7 44.Ke2 Kf6 45.ab4 cb4 46.d4+-) 44.ab4 cb4 (44...ab4 45.Ke3 Kg7 46.f4+-) 45.Ke3 (45.d4 ed4 46.Bd4 Kg8+-) 45...Bb6 46.d4 (46.Ke2 Bd4 47.Bd4 ed4+-) 46...ed4 (46...Kg7 47.f4 ef4 48.gf4+-) 47.Bd4 Bd4 48.Kd4 Kg7 49.Kc5 (49.Bd5 a4+-) 49...b3 50.Bd5 b2 51.Ba2 Kf6 (51...Kf8 52.Kc4+-) 52.Kd5 (52.Kd6 Kg5 53.e5 Kf5 54.Bb1 Kg5 55.e6 Kf6 56.e7 Kf7 57.Kd7 a4 58.e8Q Kg7 59.Qe5 Kh6 60.g4 a3 61.f4 a2 62.Qe7 ab1Q 63.Qf8) 52...g5 (52...Ke7 53.Kc4+-) 53.f4 (53.Kd6 g4 54.e5 Kg7 55.e6 a4 56.e7 b1Q 57.Bb1 a3 58.e8Q a2 59.Qe7 Kh6 60.h4 ab1Q 61.Qg5) 53...h6 (53...gf4 54.e5 Kg5 55.gf4 Kf4+-) 54.f5 (54.f5 Ke7 55.e5 b1Q 56.Bb1 Kd7 57.f6 Kd8 58.Kc6 Kc8 59.f7 Kb8 60.Kb6 Kc8 61.f8Q Kd7 62.Bf5) 1-0. Gery Kasparov (2130) - Bushwacker (1700), ChessWorld.net, 2007.

10.c4 A) 10...Re8 A1) 11.Nbd2 Be6 (11...dc4 12.Nc4 Be6 13.d4 cd4 14.Nd4 Nd4 15.Bd4= -0.19) 12.Qb3 Qd6 13.d4 dc4 14.Nc4 Qc7 15.Bc3=+ -0.31; A2) 11.d4 a6 (11...Bg4 12.Nbd2 Rb8 13.Ne5 Be2 14.Qe2 Qc7 15.Rfd1= 0.03) 12.dc5 Bc5 13.Qc2 Qe7 14.Nbd2 Nb4 15.Qb1= -0.22; B) 10...Bb7 11.Nbd2 Qd6 (11...dc4 12.dc4 Qd7 13.Qb1 Rad8 14.Rd1 h6 15.a4= 0.00) 12.d4 Rfd8 13.cd5 Qd5 14.dc5 Qc5 15.Qa4= -0.03; C) 10...Be6 C1) 11.Nc3 d4 12.ed4 cd4 13.Nb1 Re8 14.Nbd2 Bc5 15.Rb1=+ -0.44; C2) 11.Nbd2 Qd7 (11...dc4 12.dc4 Bf5 13.Nh4 Bd7 14.Qb1 Bg4 15.Bg4= 0.03) 12.Rb1 Rad8 13.a3 Ng4 14.Qc2 Rfe8 15.cd5=+ -0.31.

10.Nbd2 Qd6 11.c4 Bg4 (11...Rd8 12.Rb1 Be6 13.Ng5 Bf5 14.Ngf3 dc4 15.Nc4= 0.00) 12.Qa4 Qd7 13.Rfe1 Rad8 14.Qb5 dc4 15.dc4=+ -0.31.

10.Nbd2 Be6 11.Ng5 Rb8 (11...b5 12.c4 bc4 13.dc4 Rb8 14.Ne6 fe6 15.Nb3= -0.09; 11...Bd6 12.Rb1 Qe7 13.c4 Be5 14.Ne6 Qe6 15.Bf3= 0.00; 11...Qc7 12.c4 dc4 13.Ne6 fe6 14.Nc4 b5 15.Nd2= -0.09) 12.Rb1 Qc7 13.c4 dc4 14.Ne6 fe6 15.Nc4= -0.12.

10.Nbd2 Re8 11.c4 Be6 (11...dc4 12.Nc4 Nd5 13.d4 b5 14.Nce5 Ne5 15.Ne5= 0.03; 11...Bb7 12.d4 cd4 13.Nd4 Nd4 14.Bd4 Bc5 15.Nf3= -0.09; 11...a6 12.Qb3 d4 13.Rae1 Bd6 14.ed4 cd4 15.h3= -0.25; 11...Bg4 12.d4 Rb8 13.Ne5 Be2 14.Qe2 Qc7 15.Qf3= 0.00) 12.Ng5 Bf5 13.Qb3 Qd7 14.cd5 Nd5 15.Nde4=+ -0.47.

10.Nbd2 Bf5 11.c4 dc4 (11...Nb4 12.d4 Re8 13.Qb3 Rb8 14.cd5 Bc2 15.Qa3= 0.03) 12.Nc4 Re8 13.Qb3 Rb8 14.Nfe5 Ne5 15.Ne5= -0.12.

11.Rb1 Qc7 12.c4 Rad8= 13.cd5 Nd5 14.a3 Bf6 15.Qc2=.

11.Rb1 Qc7 12.Re1 Rad8 13.Nf1 (13.c4 Rfe8= (13...d4 14.ed4 cd4 15.a3= -0.22) 14.cd5 Nd5 15.a3=+ -0.28; 13.Nb3 Rfe8 14.Qd2 a6 15.a4=+ -0.28) 13...Ne8 (13...d4 14.c3 (14.Ng3=+ de3 15.fe3=+ -0.47) 14...dc3 15.Bc3=+ -0.37; 13...Rfe8 14.Ng3 d4 15.Nf5=+ -0.44) 14.Qc1 (14.Ng3 f5 15.Qd2= 0.00) 14...Bf6 (14...Nd6 15.Ng3= -0.12) 15.Ng3 (15.d4= -0.03) 15...Bb2 16.Qb2 Nf6 (16...d4 17.a3=) 17.a3 (17.d4 Bc8=) 17...Rfe8 (17...d4 18.c3=) 18.Nf1 (18.d4 c4=) 18...Bc8 (18...d4 19.c3=+) 19.h3 (19.d4 Ne4=+) 19...Re7 20.c4 (20.d4 Bd7=+) 20...dc4 21.dc4 h6 (21...Bb7 22.Red1=) 22.Rbd1 (22.Red1 Rde8=) 22...Rd1 23.Rd1 ½-½. Radovici,Corvin (2300) - Pavlov,Mircea (2360), Bucharest, 1976.

11.Rb1 Qc7 12.Re1 Rfe8 13.c4 Rad8 14.a3 dc4 15.Nc4=.

11.Rb1 Qc7 12.Re1 Rfe8 13.Bf1 (13.d4 c4=+) 13...Nd7 (13...Rad8 14.Nb3=+) 14.g3 Bf6 15.Bf6 Nf6 (worse 15...gf6 16.d4+=) 16.Bg2 h6 (16...d4 17.Ng5=+) 17.Nh4 (17.c3 Qd6=) 17...Rad8=+ 18.e4 (18.a3 Qd7=+) 18...de4 19.Ne4 Ne4 20.Re4 Nd4 21.Re3. De Visser,Arno - Liebert,Heinz, corr ICCF WT-M-GT-17, 1965.

11.Rb1 Qd6 12.c4 Rad8 13.d4 dc4 14.Qa4 cd4 15.Nd4=.

11.Rb1 Qd7 12.c4 Rad8 13.d4 cd4 14.Nd4 dc4 15.Bc4=+.

11.Rb1 Re8 12.c4= dc4 13.Nc4 Qd7 14.Qb3 Rad8 15.e4=.

11.c4 dc4 (11...Re8 12.d4 cd4 13.Nd4 Nd4 14.Bd4 Bc5 15.Nf3= -0.09; 11...Qd6 12.d4 Rfd8 13.Rc1 cd4 14.Nd4 Rac8 15.Nf5= -0.12) 12.dc4 Qd7 13.Qb1 Rad8 14.Rd1 h6 15.Bc3= -0.12.

10.Ba3 a6 11.Nbd2 Qc7 (11...Re8 12.Nb3 (12.h3 h6 13.Nb3 Bf5 14.Rb1 Qa7 15.Bb2 b5 16.Ne5 Ne5 17.Be5; 12.c4 d4 13.Rb1 Qa5 14.Qc1 de3 15.fe3 Ng4 16.Re1 Nb4 17.h3; 12.Rb1 Qa5 13.Qc1 Qc7 14.c4 dc4 15.Nc4 Nd5 16.Ncd2 b6 17.Ne4) 12...d4 13.Rb1 de3 14.fe3 Qc7 15.Bc5 Ng4 16.Qd2 Bc5 17.Nc5; 11...Bf5 12.d4 (12.c4 Rad8 13.Rb1 Qc7 14.Qc2 dc4 15.Nc4 b5 16.e4 Bg6 17.Ncd2; 12.h3 Qc7 13.Nb3 b6 14.Bb2 h6 15.Qd2 Nd7 16.a4 Rfe8 17.Rfd1; 12.Nb3 Qa7 13.d4 b6 14.Ne5 Rac8 15.Nc6 Rc6 16.dc5 bc5 17.Bb2) 12...Qa7 13.c4 h6 14.Rc1 Rad8 15.cd5 Rd5 16.Bc4 Rd7 17.Bc5; 11...Qa5 12.Bb2 Be6 13.Ne5 Ne5 14.Be5 b5 15.h3 Nd7 16.Bf4 Bf6 17.d4) 12.c4 (12.Nb3 b6 13.Rb1 Bf5 14.Bb2 Nd7 15.Nbd2 Be6 16.c3 f5 17.h3; 12.d4 cd4 13.Be7 Qe7 14.Nd4 Nd4 15.ed4 Qd6 16.Re1 Re8 17.c4; 12.Bb2 b5 13.c4 dc4 14.dc4 Rb8 15.Qc2 Nb4 16.Qc3 h6 17.e4; 12.Rb1 b5 13.Nb3 b4 14.Bb2 Qb6 15.Ne5 Bf5 16.Nc6 Qc6 17.c4; 12.h3 b5 13.c3 Bf5 14.Nb3 Nd7 15.d4 c4 16.Be7 Ne7 17.Nbd2) 12...Bd7 (12...dc4 13.Nc4 b5 14.Ncd2 Rd8 15.Rc1 Rd5 16.Nb3 b4 17.Bb2) 13.Bb2 (13.cd5 Nd5 14.Rc1 Ndb4 15.Ne4 b6 16.Bb4 Nb4 17.Qb3) 13...b5 (13...Rad8 14.cd5 Nd5 15.Ne4 f5 16.Nc3 Be6 17.a3) 14.cd5 Nd5 15.a3 (15.Ne4 f5 16.Neg5 Bf6 17.Bf6) 15...Bf6 (15...Nb6 16.Rc1 Na4 17.Ba1) 16.Qc2 (16.Bf6 Nf6 17.Qc2) 16...Bb2 17.Qb2 h6 (17...Nd8!?=) 18.Rac1 Nce7 (18...Nb6!?+/-) 19.Ne4 Qb6 20.Rc5?? (20.Nc5 Rfd8+-) 20...Rac8 (better 20...f5!? 21.Rd5 Nd5=) 21.Rc8 Rc8 22.Rc1 Rc1 23.Qc1 Qc6 24.Qc5 0-1. Yosa,Jhonny - Castellanos,Alvaro, Neiva COL, Amateur Ch, 2011.

10.Qc1 Be6 11.Nbd2 a5 12.a4 Rac8 13.Re1 Rfd8 14.h3 d4 15.e4 h6 16.Bf1 Nd7 17.c3 Nde5 0-1. De Visser - De los Santos Serrano, ICCF World Cup8-9 prel-203, 1990.

10.Qc1 Be6 11.Nbd2 Qa5 12.c4 Rfe8 13.a3 Rad8 14.Qc2 Qc7 15.cd5=.

10.Qc1 Be6 11.Nbd2 Qa6 12.c4 Rad8 13.Rd1 Rfe8 14.Ng5 Bg4 15.Bg4=+.

10.Qc1 Be6 11.Nbd2 Qc7 12.c4 Rad8 13.Rb1 dc4 14.Nc4 Nd5 15.a3=.

10.Qc1 Be6 11.Nbd2 Rad8 12.c4 Rfe8 13.Rb1 Qc7 14.cd5 Bd5 15.a4=+.

10.Qc1 Be6 11.Nbd2 Rfe8 12.c4 Qc7 13.Rb1 Rad8 14.cd5 Bd5 15.Bf6=+.

10.Qc1 Re8 11.Nbd2 Qd8 12.Rb1 d4 13.c3 de3 14.fe3 Ng4 15.e4=+.

10.Qc1 Bf5 11.Nbd2 (11.a3 Rfe8 (11...Rae8 12.Nbd2 Qc7 13.Rb1 a6 14.c4 dc4 15.Qc4= -0.12; 11...Rad8 12.Nbd2 Rfe8 13.Re1 Qc7 14.Rb1 d4 15.ed4=+ -0.28; 11...Qd8 12.Nbd2 Re8 13.Re1 Rb8 14.c4 dc4 15.dc4= -0.19; 11...d4 12.Nbd2 Rad8 13.Rb1 Qc7 14.Nb3 Bd6 15.ed4= -0.22; 11...Rfd8 12.Nbd2 Qc7 13.Rb1 d4 14.Nb3 Bd6 15.Re1= -0.12) 12.Nbd2 Rad8 13.Rb1 Qc7 14.Re1 d4 15.ed4=+ -0.28; 11.Re1 Rfe8 (11...Rad8 12.Nbd2 Rfe8 13.Rb1 Qc7 14.a3 d4 15.ed4=+ -0.28) 12.Nbd2 Rad8 13.Rb1 Qc7 14.a3 d4 15.ed4=+ -0.31) 11...Rfe8 (11...Rad8 12.Rb1 Qc7 13.Nb3 Qd6 14.Rd1 Be6 15.c4= 0.03; 11...Rfd8 12.Re1 Qc7 13.Rb1 Rd7 14.Nb3 b6 15.Qd2=+ -0.34) 12.Rb1 Qc7 13.a3 (13.Re1 Rad8 14.a3 Ng4 15.h3= -0.25) 13...Rad8 14.Re1 a6 15.c4 (15.Nb3=+ -0.41) 15...dc4 16.Qc4 b5 17.Qc2 Nd7 (17...Ng4 18.Qc3 Bf6 19.Qc5 Bd3 20.Bd3 Rd3 21.Rec1=) 18.Red1 (18.e4 Bg6=) 18...Nb6 19.Qc3 Bf8 20.Qc2 h6 (20...Bd6 21.Ba1=+) 21.Rbc1 (21.Nh4 Bh7 22.Nhf3 c4=+) 21...Na4=+ 22.Ba1 Bh7 23.Bf1 Qd7 24.Nc4 Qe6 25.Ncd2 (25.Nb2 Nb6=+) 25...Rd7 26.Nb3 Red8 27.Rd2 Bd6 28.Qd1 ½-½. Pommerel,Wim H - Stuart,Antoon J, corr NED-ch31, 2000.

110.Qc1 Bg4 11.Nbd2 Rad8 12.Rb1 Qc7 13.Nb3 b6 14.Qd2 Rfe8 15.h3 Bc8 16.Nh2 (16.Rfe1 Be6=+) 16...Bd6 17.Ng4 (17.Nf3 Ne5=+) 17...Ng4-/+ 18.hg4 Qe7 19.g3 Ne5 20.Qc3 f6 21.g5 (21.f3 Ng6 22.e4 Bg3-+) 21...fg5 22.d4 Ng4 23.dc5 bc5 24.Bf3 Be6 25.Rfd1 Qf8 26.Kg2 Nf2 (better 26...Nf6-/+) 27.Rd2?? (27.Kf2 g4 28.e4-+) 27...Ne4-+ 28.Be4 de4 29.Rf2 Qe7 30.Rbf1 Bg4 (30...Rf8 31.a3-+) 31.Nd2 Be5 (31...Rd7 32.Qc4 Qe6 33.Qe6 Re6 34.Bc3-+) 32.Qa3? (32.Qe5 Qe5 33.Be5 Re5-+) 32...Bb2 (32...Qe6!? 33.Rh1-+) 33.Qb2 Qe6 34.Kh2 Qh6 35.Kg1 Qh3 36.Rf7 (36.Rg2-+) 36...Qg3 37.Kh1 Do you see the mate threat? 37...Qh3 38.Kg1 Qe3 39.Kh1 Rd4 40.Qb7 (40.Nc4 Qh3 41.Kg1 Qg3 42.Kh1-+) 40…Qh3 (40...Qh3 41.Kg1 Qg3 42.Kh1 Qh4 43.Kg1 Rd2 44.Rf8 Rf8 45.Qb3 c4 46.Qc4 Rd5 47.Qd5 Be6 48.Qe6 Rf7 49.Qf7 Kh8 50.Qf8; 40...Qd2?? 41.Rg7 Kh8 42.Rh7 Kg8 43.Qg7; 40...Rd2?? 41.Rg7 Kh8 42.Rh7 Kg8 43.Qg7) 0-1. Raanby,Hans - Kreuzer,Uwe, corr SOK-92-85, 1992.

10.c4 Re8 11.Nbd2 Be6 12.Rb1 Rb8 13.d4 b6 =.

10.Nbd2= Be6 11.Rb1 b6 12.c4 Re8 13.Re1 Qd6 =.

10.Nbd2 Be6 11.c4 dc4 12.Nc4 (12.dc4 Qc7 13.Qc2= -0.09) 12...b5 13.Nce5 Ne5 14.Be5 Nd5 15.Qd2 Qb6 (15...Bd6 16.d4 c4 17.e4=) 16.Rfb1 b4 17.d4 (17.e4!? Nf6 18.a3=) 17...Nc3=+ 18.Rc1 Ne2 (18...Rfd8 19.Qc2=+) 19.Qe2= c4 20.e4 c3 21.d5 Bd7 22.Bd4 (22.Rab1 f5 23.ef5 Bf5=+) 22...Bc5 23.Qe3 (23.Bc5 Qc5 24.Qc2 f5=) 23...Rfc8 24.Bc5 Qc5 25.Qc5 (25.Qf4!?=) 25...Rc5-/+ 26.Rab1 a5 27.Ne1 Rc4 (27...Re8 28.Nd3 Rc4 29.f3-/+) 28.f3 f5 29.a3? (better 29.e5!?-/+) 29...fe4-+ 30.fe4 Re4 (30...Re8 31.ab4 ab4 32.Nd3 Ree4 33.Kf2-+) 31.ab4 ab4 (31...Rb4 32.Ra1 Rd4 33.Rc3 Rd5 34.Kf2-+) 32.Nd3 Rd4 33.Nb4 Bf5 (33...Rb8 34.Na2 Rb1 35.Rb1-+) 34.Nc6 (34.Rb3 Be4 35.Rcc3-/+) 34...Rd2 Black intends c2 (better 34...c2!? 35.Rb8 Rb8 36.Nd4 Rb1-+) 35.Ne7-/+ Kh7 36.Nf5 c2 37.Rc2 Rc2 38.Rd1 (38.Re1 Rd2 39.Ne3 Re8-/+) 38…Raa2 (38...Raa2 39.Ne3 Re2-/+). Suess,Stefan – Franke, corr SOK-87-12, 1988.

10.Nbd2= Be6 11.c4 Re8 12.Rb1 b6 13.Re1 Qd6 =.

10.Nbd2= Be6 11.h3 Rc8 (11...Re8 12.c4 Rb8 13.Qc2 Nb4=+ -0.28) 12.c4 Qc7 (12...Re8 13.Qc2= (13.Rb1 Rb8= -0.19) 13...Qd7= -0.19) 13.Rc1 (13.Qb3 dc4= -0.19) 13...Rfd8 (13...b6= -0.19) 14.a3 b6 15.cd5 Nd5 16.Nc4 (16.d4 Bf6=) 16...Bf6=+ 17.Bf6 ½-½. Urzica – Velikov, Niemeijer Endrd, 1969.

8.Bb2 Re8 9.Re1 Bf5 10.d3 Bc5 =.

8.Bb2 Bf5 9.Nc3 a6 10.Nh4 (10.Rb1 Bd6=+) 10...Bc8 (10...Be6 11.Nf3=+) 11.Nf3 Re8 12.Rb1 Bd6 13.Re1 Bf5 (13...b5 14.a4 ba4 15.Na4=+) 14.d3 (14.a4 Qe7=+) 14...b6 (14...b5 15.a4 ba4 16.Na4=) 15.Nh4 (15.Qc1 b5=+) 15...Be6 16.Nf3 Qe7 17.Nd2 (17.Qd2 Rad8=+) 17...d4 (17...Rad8 18.Nf3=+) 18.ed4 Nd4 19.Bf3 Nf3 20.Qf3 Ba3 (20...Qd7 21.Nde4 Ne4 22.Re4=+) 21.Ba3= Qa3 22.Nb3 (22.Qc6 Rad8=+) 22...Qb4 (22...Rad8 23.Qf4=+) 23.Ne4 (23.Qc6 Kh8=) 23...Ne4 24.Re4 Qa3 25.Ra1 (25.Rbe1 Qa2 26.Nd4 Bd7=+) 25...Rad8 26.d4 Qb2 27.Qe2 Bd7 (27...a5 28.c3 Qc3 29.Rc1=+) 28.Re8 (28.Re1 h6 29.Qa6 Re4 30.Re4 Qc2-/+) 28...Re8=+ 29.Qa6 Qc2 30.Rc1 Qc1 31.Nc1 Re1 32.Qf1 Rf1 33.Kf1 Be6 34.Ke2 (34.a3 Kf8=) 34...f5 (34...Bd5 35.f3=) 35.Ke3 g5 36.g3 Kf7 37.f4 (37.a3 Bc4=+) 37...g4 38.Kd3 Ke7 (38...Bd5 39.a3=+) 39.a3 Kd6 (39...Bd5 40.Kd2=+) 40.Ne2 (40.Kc3 Bd5=+) 40...Bb3 41.Nc3 h6 42.Kd2 ½-½. Gerold,Guenter – Rautenberg, corr BdF, 1999.

8.Bb2 Bf5 9.Nc3 Qd7 10.Nb5 Ne4 11.Nfd4 Nd4.

8.Nc3 Ne5 9.Ne5 Bd6 10.d4 c6 11.Qd3 g6.

9.a4 Re8 10.c4 Ne5 (10...Nc5 11.Nc3=+) 11.cd5= Nf3 12.Bf3 Nd5 13.Bd5 (13.Nc3 Nb4=) 13...cd5=+ 14.Bd4 Qh4 (14...Bf5 15.Nc3=+) 15.f4 Bg4 (15...Re6 16.g3 Qh3 17.Nc3=) 16.Qb3 b6 (better 16...Be2!? 17.Rc1 Bc4=) 17.Nc3+– Rad8 18.Qb5 White plans a5 (18.Rfc1 Re6 19.g3 Qh3 20.Qd5 Rh6=) 18...Re6 19.Rf2 (19.Nd5 Rh6 20.h3 Bh3-+) 19...Bf8 (19...Rh6 20.g3 Qh5 21.a5+=) 20.a5 (20.Nd5 Bc5 21.Qc4 Re4=) 20...Rh6+= 21.g3 Qh5 22.ab6 ab6 23.f5 (23.Ra7 Bf3+=) 23...Bf3 (23...Bf5 24.Bb6 (worse 24.Nd5 Bd7 25.Qc4 Be6=+) 24...Rb8 25.Qd5+= (25.Nd5? Be4-+)) 24.f6 (worse 24.Bb6 Rb8 25.Nd5 Bd5 26.Qd5 Rd6-+) 24...Qg4 25.Be5 (25.Bb6? Qg3 26.Kf1 Rb8 27.Nd5 Qh3 28.Ke1 Rg6-+; 25.Qb6 Qg3 26.Kf1 Rh2 27.Rh2 Qh2-+) 25...Qh5 (25...gf6 26.Bf4 Rh5 27.Qb6+=) 26.Qb6+– Re8 27.Qc7 (better 27.Ra7+–) 27...Bb4?? (better 27...gf6 28.Bf4 Rg6+–) 28.Ra4+– d4 (28...Bc3 29.Bc3 Bd1+–) 29.Rb4 de3 (29...gf6 30.Bd4 f5 31.Rb8+–) 30.de3 Rf6 (30...gf6 31.Rb8 Qe5 32.Qe5 fe5 33.Re8 Kg7 34.Rf3+–) 31.Bf6 gf6 32.Rb8 Bc6 (32...Rb8 33.Qb8 Kg7 34.Qf4+–) 33.Re8 Be8 34.Ne4 Kg7 35.Qd8 Ba4 36.Qf6 Kg8 37.Nd6 Bd7 38.Rf1 h6 (38...Be8 39.Ne8 Qg6 40.Qd8 Kh8 41.Nd6 Kg7 42.Qd7 h5 43.Rf7 Qf7 44.Qf7 Kh6 45.h3 h4 46.g4 Kg5 47.Qg7) 39.Qd8 Kh7 (39...Kg7 40.Qd7 Kh8 41.Nf7 Kh7 42.Ng5 Kg6 43.Qf5 Kg7 44.Qh7) 40.Qd7 Kg8 (40...Qf3 41.Rf3 h5 42.Rf7 Kh6 43.Qe6 Kg5 44.Rg7) 41.Qe8 Kh7 42.Rf7 Qf7 43.Qf7 Kh8 44.Ne8 h5 45.Qg7 1–0. forsetinn (2425) – gluv51 (2040), gameknot.com, 2015.

9.d3 a5 A) 10.Nc3 Nc5 (10...a4 11.a3 Nc5 12.Nd4 Ra6 13.Bf3 Rb6 14.Rb1) 11.h3 Re8 12.a4 Bd7 13.d4 Nce4 14.Ne5; B) 10.h3 Nc5 (10...Re8 11.Nc3 Nc5 12.Rb1 h6 13.a4 Bd7 14.Qd2) 11.Nc3 Re8 12.a4 Bd7 13.Rb1 Qc7 14.Ba3; C) 10.Bd4 Qe7 11.Nbd2 Nc5 12.h3 Bd7 13.c4 h6 14.Rc1; D) 10.Nbd2 Nc5 11.Ne5 Na4 12.Qc1 Qb6 13.Rb1 Nb2 14.Rb2.

9.d3 b5 A) 10.a4 b4 (10...Bb7 11.ab5 cb5 12.Nbd2 a5 13.Nd4 b4 14.Nf5) 11.Nbd2 Bb7 12.d4 Qe7 13.h3 h6 14.c3; B) 10.d4 Re8 (10...Nb6 11.Ne5 Qc7 12.Nd2 Na4 13.Qc1 Re8 14.f4) 11.Nbd2 Nb6 12.Rb1 Na4 13.Ba1 Bf5 14.Ne5; C) 10.Nbd2 Nc5 (10...Re8 11.d4 Nb6 12.Ne5 Na4 13.Qc1 Qc7 14.f4; 10...Bb7 11.c4 Rc8 12.Nd4 bc4 13.dc4 g6 14.Rb1) 11.Ne5 Qc7 12.d4 Na4 13.Qb1 Bf5 14.Bd3.

9.d3 Qb6 10.Qc1 (10.Bd4 c5 11.Bc3 Qc6 12.a4 Re8 13.Na3 a6 14.a5; 10.Bc3 Re8 (10...Qc7 11.Nbd2 b5 12.a3 Re8 13.Qb1 Nc5 14.Bf6) 11.Nbd2 Nc5 12.h3 Qd8 13.a4 Bd7 14.Nd4) 10...Qc7 (10...c5 11.c4= (11.Na3 Re8 12.c4 d4 13.Rb1 Qa5 14.Nb5) 11...dc4 12.Nbd2 cd3 13.Bd3 Qc6 14.Qc3; 10...Nc5 11.Bf6 gf6 12.Qd2 Kg7 13.Nc3 Qc7 14.Rab1; 10...Re8 11.h3 Rb8 12.Nbd2 Nc5 13.Bf6 gf6 14.c4) 11.Nbd2 Ne5 (11...Re8 12.c4= b6 13.Qc2 Bb7 14.g3; 11...b5 12.h3 Bb7 13.c4 dc4 14.dc4) 12.c4 (12.Ne5 Be5 13.Be5 Qe5= 14.Nf3) 12...Nf3 13.Nf3 Qe7 14.Rb1 (14.Qc3=) 14...dc4 15.Qc4 Rd8 (15...Nd5 16.Qd4 f5 17.Qc4=) 16.a4 (16.Qh4 Nd5=) 16...Nd5 17.a5 Be6 18.Qd4 f5 19.Qa4 b5 20.Qc2 c5 21.Be5 Be5 (21...a6 22.Rfc1 Rac8 23.Qd2=+) 22.Ne5= Qd6 23.Qb2 b4 24.Bf3 Rac8 25.Bd5 Bd5 26.f4 (26.d4 Re8=+) 26...Rb8 27.Ra1 (27.Rfe1 Rb5=+) 27...Rb5 28.a6 (28.Qc2 Qe6=+) 28...Rb6 29.Rfc1 Ra6 (29...Rc8 30.Ra5=+) 30.g4 (30.Ra6!? Qa6 31.Rc5=) 30...fg4 (30...Ra1 31.Ra1 fg4 32.Ra7-/+) 31.e4 Ra1 32.Ra1 Bf7 33.Ra7 Rf8 34.Ra1 (34.Nd7 Qd3 35.Nf8 Qe4 (35...Kf8?! 36.Ra8 Be8 37.Qe5 Qe3 38.Kg2 Qe2 39.Kg1 Qd1 40.Kg2 Qf3 41.Kg1 Qe3 42.Kg2 Qh3 43.Kg1 Qe3=) 36.Rf7 Kf7-+) 34...Qf6 35.Qf2 Be6 36.Ra6 b3 (36...Qe7 37.Nc6 Qb7 38.Nb4=+) 37.Nc4 (37.Nd7 Qc3 38.Nf8=+) 37...Qe7-/+ 38.Nb2 c4! 39.dc4 (39.Nc4 Bc4 Combination; 39.dc4 Bc8 Combination) 39...Bc8-+ 40.Ra1 Qe4 41.Re1 Qg6 (41...Qg6 42.Re7 Be6-+; 41...Qf4?! 42.Qf4 Rf4 43.Re8 Rf8 44.Re3=+) 0–1. Pagano,Nunzio – Luzuriaga,Norberto Horacio, OCC–2002–01–11, 2003.

9.d3 Re8 A) 10.Nc3 Ne5 (10...h6 11.Nd4 Qc7 12.h3 Nc5 13.Qd2 b5 14.a3; 10...Nc5 11.Nd4 Qc7 12.g3 Bh3 13.Re1 b5 14.a3) 11.Qd2 Nf3 12.Bf3 Ng4 13.g3 Qa5 14.a4; B) 10.h3 h6 (10...b5 11.a3 Nc5 12.Nc3 Qc7 13.Qe1 Bf5 14.Nd4; 10...Nc5 11.Nc3 Bd7 12.d4 Nce4 13.Ne5 Nc3 14.Bc3) 11.Nc3 Nc5 12.Rb1 Bf5 13.Nd4 Qd7 14.Ba3; C) 10.Nbd2=+ Nc5 11.a4 Bf5 12.Nd4 Bd7 13.h3 b5 14.ab5.

9.d3 h6 A) 10.Nc3 Qc7 (10...Nc5 11.Rb1 Bf5 12.Nd4 Qd7 13.Ba3 b5 14.Nf5) 11.a4 Nc5 12.h3 a5 13.Rb1 Bd7 14.Ba3; B) 10.Nbd2 Nc5 11.Rb1 Qe7 12.Bd4 b5 13.Nb3 Na4 14.Na5; C) 10.h3 Nc5 (10...Re8 11.Nc3 Nc5 12.Rb1 a5 13.a4 Qe7 14.Ba3; 10...Qe7 11.Nc3 Nc5 12.Rb1 Bf5 13.Nd4 Bd7 14.a4) 11.Nc3 Re8 12.Rb1 Bf5 13.Nd4 Qd7 14.Ba3.

7.a3 Bd6 8.Bd6 Qd6 9.h3 Bf5 10.d3 Nbd7 11.Nbd2 c6 12.0-0 Rad8 13.Re1 h6 14.Bf1 Nc5 15.Qc1 Nfd7 16.Qb2 Qf6 17.d4 Ne4 18.Qb7+/- Rb8 19.Qa7 Nd2 20.Nd2 Bc2?? 21.Qd7+– (21.Qd7 Bf5 22.Qc7+–) 1–0. uno (1845) – gabriele (1835), ICC, 2003.

7.a3 Be7 8.0-0 +=.

7.Bb2 a6 8.0-0 Qe7 9.d4 Bf5 10.a3 Bd6 11.Nbd2 b5 12.Nb3 Nc6 13.h3 Ne4 14.Nfd2 Qg5 15.f4 Qg6 16.Bh5 Qe6 17.Re1 Ng3 18.Bf3-/+ Ne7 19.Nc5 Bc5 20.dc5 Qg6 21.c4 bc4 22.Nc4 dc4 23.Ba8 Ra8 24.Qd4 Bd3 25.e4 Ne4 26.Rad1 Nf5 27.Qd5 c6 28.Qe5 Nh4 (28...Nh4 29.Qg7 Qg7 30.Bg7 Kg7 31.Rd3 cd3 32.Re4 Nf5-+) 0–1. epiglotis (2565) – woschkat (2395), net–chess.com, 2003.

7.Bb2 b6 8.0-0 Bb7 9.d4 Nbd7 10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 Re6 13.c4 Rh6 14.d5 Qh4 15.h3 f5 16.Nb3 Bd6 17.Nd4 Rg6 18.Kh1 Qg5 19.Rg1 Nc5 20.Nb5 Rf8 21.Nd6 cd6 22.Bd4 Bc8 23.Bc5 bc5-/+ 24.g3 Rh6 25.Bf1 Qf6 26.Rb1 g5 27.Bg2 g4 28.Qf1?? gh3-+ 29.Bh3 Kf7 30.Rb8 f4 31.Rc8 Rc8 32.gf4 Rb8 33.Qg2 Qg6 34.Qh2 Qh5 35.Be6 Kf6 36.Qh5 Rh5 37.Kg2 Rh6 38.Bd7 a6 39.Ba4 Rg6 40.Kh2 Rg1 41.Kg1 Rb4 42.Bb3 a5 (42...a5 43.Kh2 a4-+) 0–1. Bravo Ardila,P – Bombi Arnau,Antonio, corr ESP–Cup2, 1987.

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

7.Bb2 Nbd7 8.a3 (8.Nc3 c6=+) 8...Ba5 (8...Bd6 9.0-0=+) 9.0-0= c5 10.c4 Bc7 (10...dc4 11.Bc4 Nb6 12.Bb5=) 11.cd5 Nb6 (11...Nd5 12.d4=) 12.d4 (12.Bb5 Bd7 13.Bf6 Qf6 14.Bd7 Red8+=) 12...cd4= 13.Qd4 Qd5 (13...Nbd5 14.Nc3=) 14.Qh4 (14.Rc1 Bd6+=) 14...Nbd7 (14...Ne4 15.Nc3 Nc3 16.Bc3+=) 15.Rd1+= Qh5 (15...Qb3 16.Bd4 Re4 17.Nbd2 Qd1 18.Rd1 Rh4 19.Nh4+=) 16.Nbd2 (16.Qh5 Nh5 17.Nc3 Ndf6+–) 16...Bd8 (16...Qh4 17.Nh4 Be5 18.Be5 Ne5 19.Rab1+=) 17.Qh5+– Nh5 18.Nc4 Nhf6 (18...Bf6!?+–) 19.Nd6+– Rf8 20.Rac1 Be7 (better 20...Nb6+–) 21.Nc8 (better 21.Rc7!?+–) 21...Rac8+= 22.Bc4 (22.Nd4 Rfd8+–) 22...Nb6 23.Bb3 Rc1 24.Rc1 Rc8 25.Rc8 (25.Ne5 Rc1 26.Bc1 Nfd5+=) 25...Nc8+= 26.Ng5 (26.Ne5 Nd6+=) 26...Nd6 27.Bd4 (27.a4 h6 28.Nf3 Nd7+=) 27...h6 28.Nf3 Nb5 29.a4 Nd4 30.Nd4 (30.ed4 Bd6+=) 30...Kf8 31.Kf1 (31.h4 Ne4 32.h5 a6=) 31...Ne4 32.Ke2 Bb4 (32...Nc5 33.Bc2=) 33.f3 (33.Bc2 Nc5+=) 33...Nc5= 34.Bc2 g6 (34...a6 35.g3=) 35.g3 Ke7 36.Bd1 (36.h4 a6=) 36...Kf6 (36...a6 37.e4=) 37.Bb3 (37.h4 a6=) 37...a6 38.Bc2 (38.f4 Bc3 39.Bc2 h5=) 38...Ke7 (38...Ke5 39.f4 Kd5 40.Bb1=) 39.Bd1 (39.h4 Bc3=) 39...Kd7 (39...Bc3 40.h4=+) 40.Bb3 (40.e4 Kd6=) 40...Ke7 (40...Nb3 41.Nb3 Kc6 42.Kd3=) 41.Bc2 Bc3 42.Bd1 ½–½. jaddwarrior (1995) – padraig42 (2030), ChessWorld.net, 2016.

7.Bb2 Be6 8.0-0 Qe7 9.c4 dc4 10.Qc2 Nc6 11.Bc4 Bc4 12.Qc4 Bd6 (12...Qe4 13.d4+=) 13.d3= Nd7 14.Nbd2 Nce5 15.Ne5 Be5 16.Rab1 Rad8 17.Nf3 Nb6 18.Qc2 Bb2 19.Rb2 c6 ½–½. Hoch,Hubertus (2320) – Wuerzebesser,Ray (2240), BdF, 2007.

7.Bb2 Qe7 8.Nc3 c6 9.0-0 Bd6 10.a4 Bg4 =+.

7.Bb2 Be7 8.0-0 (8.Nc3 c5 9.0-0 (9.Rb1 Nc6 10.0-0 d4 11.ed4 cd4 12.Nb5 Bc5 13.Re1 a6) 9...Nc6 10.a4 h6 11.Rb1 d4 12.ed4 cd4 13.Nb5 Bc5) 8...c5 (8...Nc6 9.Nc3 Bd7 10.h3 h6 11.a3 a6 12.Bd3 Bc5 13.Re1 Qe7) 9.c4 Nc6 10.d4 (10.cd5 Nd5 11.Nc3 Be6 12.d4 Nc3 13.Bc3 Bf6) 10...cd4 11.Nd4 Qb6 (11...Bc5 12.Nb3 Bd6 13.cd5 Nd5) 12.Qc2 'Black has a very active position' (12.Qb3 dc4 13.Bc4 Ne5) 12...Nb4 (12...Nd4 13.Bd4 Bc5) 13.Qb3 a5 (13...Bg4=) 14.Nc3 Bd7 15.Na4 Ba4 16.Qa4 Rac8 17.cd5 Nbd5 18.Rab1 Qb4 19.Qb5 g6 20.Rfc1 (20.Bf3 Qb5 21.Nb5 Rc5+=) 20...Nc3 21.Bc3 Rc3 22.Rc3 Qc3 23.Qb7 Bc5 24.Bb5 Re7 25.Qc8 Kg7 26.Nb3 Re3?? (better is 26...Ne4 was necessary 27.Nc5 Re5+=) 27.Qc5 (better is 27.Nc5!? seems even better 27...Ng4 28.Rf1 Qd4 29.fe3 Qe3 30.Kh1 Nf2 31.Rf2 Qf2+–) 27...Re1 28.Re1 Qe1 29.Bf1 a4N 30.Qa5+– 1–0. Hammes,Frank (1885) – Poess,Frank (2005), Niederrhein–ch, 1996.

7.Bb2 Bf5 8.0-0 Nbd7 9.c4 Bd6 10.Nc3 dc4 11.Bc4 Ne5 12.Ne5+= Be5 13.f4 Bd6 14.Qb3 Be6 15.Rad1 c6 16.Rf3 Qb6 17.Be6 Re6 18.Qc2 Qc5 19.Qb1 Rae8 20.Rc1 Qb4 21.Qc2 Bf8 22.Ba1 Ne4 23.f5 Re5 24.Rf4+/- Qe7 25.d4 Nc3 26.de5 Nd5 27.Rf3 Qg5 28.Bd4 Nb4 29.Qb3 Qh4? 30.e6 fe6 31.fe6 Bd6 32.g3 Qe4 33.e7 Nd5 34.Rcf1 Qe7 35.Rf7 (35.Rf7 Qf7 36.Rf7 Kf7 37.e4 Re4 38.Qf3 Nf6 39.Bf6 Re1 40.Kf2+–; 35.Ba7?! b6 36.Qa4 Ne3+=) 1–0. Querol Soro,Sergio (1975) – Carruez Berges,Santiago (2115), Aragon–chT Autonomico, 2007.

7.Nc3 Ne4 8.Rb1 Nc6-/+ 9.Nb5 Nd2! 10.Nd2 Re5 11.c3 Ba5 12.Nf3 Re8 13.Qc2 a6 14.Nbd4 Nd4 15.ed4 Qe7 16.0-0 Bg4 17.Rb2 c6 18.h3 Bh5 19.Rc1 Bc7-+ 20.Kh1?? Bf3 21.gf3 Qd6 (21...Qd6 22.Qh7 Kh7 23.f4 Qf4 24.Bd3 g6 25.f3 Qc1 26.Kg2 Re1 27.f4 Qf4 28.Bg6 Kg6 29.Rb7 Qg3#) 0–1. Meis,Carsten – Reinemer,Frank, Porz Open, 1994.

7.c4 dc4 8.Bc4 Bd6 9.Bd6 Qd6 10.Nc3 c6 11.d4 Qb4 (11...b5!? 12.Bd3 Bg4=) 12.Qb3+= Qe7 13.a4 Nbd7 14.a5 Nf8 15.0-0 Be6 16.Rab1 Bc4 17.Qc4 Rab8 18.Rfc1 N8d7 19.a6 Nb6 20.Qa2 Nbd5 (20...Rec8 21.ab7 Rb7 22.Qa6+/-) 21.Qb3 b6 22.Ne5 Nc3 (22...Qe6 23.Nd5 cd5 24.Rc7+/-) 23.Rc3+- Rbc8 24.Nc6 Qc7 (24...Qd6 25.Na7 Rc3 26.Qc3+-) 25.Rbc1 Ra8 (25...Ne4 26.Ne7! Re7 27.Rc7 Rec7 28.Rc7 Rc7 29.g4+-) 26.Na7! Qa7 (26...Ra7 27.Rc7 Discovered attack; 26...Qa7 27.Rc7 Decoy) 27.Rc7 Re7 28.Ra7 Rea7 29.Qb6 h6 30.Ra1 (30.Rc6 Ra6 31.Qa6 Ra6 32.Ra6 Nd5+-) 30...Nd5 31.Qd6 Nc3 (31...Nc7+-) 32.Qc6 Ne2 (32...Nb1 33.Qc2+-) 33.Kf1 Nf4 (33...Nd4 34.ed4 f6 35.Qe6 Kh7 36.d5+-) 34.ef4 1-0. PEREIRA – Zeitnot, internet, 2021.

7.Bg3 Ba5 8.0-0 c5 9.c3 Nc6 10.Qc2 Ne4 11.Bb5 (11.Bh4 g5 12.Bg3 h5=+) 11...Ng3 12.fg3 Bd7 13.d3? (better 13.Bd3!? h6 14.Bh7 Kh8 15.Bf5=+) 13...a6 (13...Re3 14.Qf2 Qe7 15.Ng5-+) 14.Bc6-/+ Bc6 15.d4 (15.Re1 Qf6-/+) 15...Re3 16.Re1? (better 16.Qf2!? cd4 17.cd4-+) 16...Qe7 (better 16...Re1 17.Ne1 cd4-+) 17.Ne5?? (17.Re3 Qe3 18.Kh1-+) 17...Re1 18.Kf2 Re5 (better 18...Rh1 19.Qe2-+) 19.de5 Qe5 20.Qe2 Qe2 21.Ke2 Re8 22.Kd2 Bb5 0-1. ch77essi988 (1660) - Loutcho (2100), Rated Blitz game, lichess.org, 2016.

7.Bg3 Bf5 8.0-0 Nbd7 9.c4 Nb6 10.Qb3 Bd6 11.cd5 Bg3 12.hg3 Qd5 13.d4 Qb3 14.ab3 a5 15.Nc3 Nbd5 16.Nb5 Bd7 17.Ne5 Bb5 18.Bb5 c6 19.Nc6 Nc3 20.Na5 Nb5 21.Nb7 Kf8 22.Ra4 Nc3 23.Rc4 Reb8 24.Nc5 Nce4 25.Ne4 Ne4 26.Ra4 Ra4 27.ba4 Ra8 28.Ra1 Ra5 29.f3 Nc3 30.Ra3 Na4 31.Kf2 Ra8 32.e4 Ke7 33.Ke3 Nb6 34.Rc3 Rc8 35.Rb3 Nd7 36.g4 Rc2 37.g3 Rg2 38.Kf4 h6 39.Rb1 g5 40.Ke3 Rg3 41.Rh1 Nf6 42.Kf2 Ne4 43.fe4 Rg4 44.Kf3 Rf4 45.Ke3 Rh4 46.Rh4 gh4 47.Kf4 h3 48.Kg3 Ke6 49.Kh3 f5 50.d5 Ke5 51.ef5 Kf5 ½–½. Kozlowska,Marzena (1920) – Rydlewski,Marek, Poznan Poland, Summer Open, 2012.

7.h3 c5 8.0-0 Nc6 9.Bb2 Ba5 10.Nc3 a6 11.Na4 c4 12.Nd4 Nd4 13.Bd4 Bc7 14.f4 Ne4 15.Bf3 b5 16.d3 Ng3-/+ 17.Nc3 Nf1 18.Kf1 Be6 19.dc4 bc4 20.Rb1 Rb8 21.g4 Rb1 22.Qb1 Ba5 23.f5 Bc3 24.Bc3 Bf5 25.gf5 Re3 26.Ba5 Qd7 27.Qb8? Re8-+ 28.Qf4 Qb5 29.Bc3 Qb1 30.Kf2 Qc2 31.Qd2 Qd2 32.Bd2 d4 33.Be2 d3 34.Bf3 Re5 35.f6 gf6 36.Bc3 Re6 37.a4 Kg7 38.a5 Kg6 39.Kg3 Rd6 40.Kf4 d2 41.Bd1 Rd3 42.Bb4 Rh3 43.Bd2 f5 44.Bc2 Rh2 45.Bf5-/+ Kf6 46.Bc3 Ke7 47.Ke5 Rh5 48.Ke4 Kd6 49.Bc8 Rh4 50.Ke3 Kc5 51.Ba6 Rh3 52.Kd2 Rd3 53.Kc2 h5 54.Bc8 h4 55.a6 Kb6 56.Bb7 h3 57.Be1 Ra3 58.Bf2 Kc7 59.Bd4 ½–½. Sebald,Ralph – Nadrowski,Joseph, Dortmund op–B, 1999.

7.h3 Bd6 8.Bd6 Qd6 9.0-0 Nbd7 10.c4 dc4 11.Bc4 Nf8 12.d4= Be6 13.Nbd2 Rad8 14.Qb3 b6 15.Rac1 Ng6 16.Rfd1 c6 17.Be6 Qe6 18.Qa4 b5 19.Qa7+/- Nd7 20.Qa3 Ra8+/- 21.Qb3 Ra2 22.Qe6 Re6 23.Ng5 Rd6 24.Nde4+– Rd5 25.Nc3 Ra8 26.Nd5 cd5 27.Rc7 Ngf8 28.Rb7 Rb8 29.Rb8 Nb8 30.Rb1 Nc6 31.Rb5 (31.Rb5 f6 32.Rc5+–) 1–0. Ulaneo,Ruben – Rosolino,G, Uruguay, 1988.

7.0-0 c5 (--> 6.Be2 c5 7.0-0 Re8).

7.0-0 c5 8.a3 Ba5 9.c4 Nc6 10.Bb2 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.c4).

7.0-0 c5 8.d3 Nc6 9.Bb2 (--> 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.d3).

7.0-0 Qe7 8.d3 Bg4 9.a3 (better is 9.Bf4+=) 9...d4?? (9...Bf3 10.Bf3 Qe5 11.d4-/+) 10.c4?? (10.Bf6 Qf6 11.ab4 de3+–) 10...b5?? (10...Bf3!? 11.Bf3 Qe5 12.ab4 de3+=) 11.Nbd2?? (better is 11.ab4!? de3 12.d4 ef2 13.Rf2+–) 11...Nd5? 12.Qc2?? Kh8?? 13.h3 c6?? 14.Qb3 h6?? 15.Nd4 Ne3= 16.f4 (16.fe3 Bd2 17.Bg4 Qe5=) ½–½. Bonetti,Shane – Plock,Joerg, Orang Utan Invitational.

7.0-0 Bf5 8.c3 Be7 9.Qb3 Nbd7 (9...Bc8 10.d4=) 10.Bf6 (10.Qb7 Ne5 11.Ne5 Qb8 12.Qb8 A) worse is 12...Reb8 13.Nc6 Re8 14.Ba6+/- (worse is 14.Ne7 Re7 15.Na3 Rb8+=); B) 12...Rab8+=) 10...Nf6= 11.Qb7 Qd6 12.Nd4 Bd7 13.Qb3 (13.Nb5 Bb5 14.Bb5 Rab8=) 13...Rab8 14.Qc2 Rb6 15.c4 Reb8 (15...c5 16.Nf5 Qe5 17.Ne7 Re7 18.Na3=) 16.Nc3 (16.Nb5 Qb4=) 16...Rb2 (16...dc4 17.Bc4 Rb2 18.Qc1+=) 17.Qc1 (17.Rfb1 Rb1 18.Rb1 Rb1 19.Qb1 c5+/-) 17...R2b7 (17...dc4 18.Nb3 R2b3 19.ab3 cb3 20.Qb2+/-) 18.Bf3 (better is 18.cd5!? a5 19.Bf3+–) 18...c6= 19.cd5 cd5 20.Re1 Qe5 21.Qc2 Bd6 22.g3 Rc8 (22...Rb2 23.Qd3+=) 23.Rab1 Rbc7 24.Qd3 Rc5 (24...Bc5 25.Bd5 Nd5 26.Nf3-+) 25.Qa6 (25.Rb7 R8c7 26.Rc7 Rc7+/-) 25...Ne4 (25...Bb8!?+/-) 26.Ne4 de4 27.Bg2 Ra5 28.Qb7 Qe8 29.Qe4 Qe4 30.Be4 Ra2 31.Rb7 Be8 32.d3 a5 33.Nf5 Bf8 34.d4 a4 35.Ra7 g6 36.Ne7 Be7 37.Re7 Kf8 38.Ra7 a3 39.Bd5+– Rb2 40.Ra3 Rcc2 41.Rf1 Bb5 1–0. Uvarov,Igor – Pastushkov,Mikhail, Tula, 2002.

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

8.Bb2 Bd6 9.c4 Be6 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6 10.0-0 Bd6).

12.Re1 a6 13.Ra2 Be6 14.Nb3 (14.c4 dc4 15.dc4 b5 16.Qc2 Nc4 17.Nc4 bc4=) 14...Nb3 15.cb3 Ng4 16.Qa1 f6 17.h3 Nh6=.

12.Re1 Rab8 13.Ra2 Be6 14.Nb3 (14.Nd4 Bd7 15.c4 dc4 16.dc4 Rbd8 17.Nb5 Bb5=+; 14.c4 dc4 15.Nc4 Nc4 16.dc4 a6 17.Qa1 Red8=) 14...Nb3 15.cb3 c5 16.Qa1 b5 17.Bf6 Qf6=.

12.Re1 c5 A) 13.Rb1 A1) 13...Bc7 14.Qc1 (14.Ng5 Qd6 15.Nf1 Bd7 16.c4 h6 17.Nf3 dc4=; 14.Bc3 Rab8 15.Rb5 b6 16.Qa1 Nh5 17.e4 Nf4=) 14...Qd6 15.h3 Bh5 16.Bc3 Rab8 17.Qb2 Re6=; A2) 13...Rab8 14.Ng5 (14.e4 Bf3 15.Bf3 d4 16.c3 Qe5 17.cd4 Qh2=+; 14.Qc1 b5 15.c4 dc4 16.dc4 Nc4 17.Nc4 bc4=+) 14...Be2 15.Qe2 h6 16.Nh3 Nc6 17.c4 d4=; A3) 13...Rad8 14.Bc3 Bc7 15.h3 Be6 16.Rb5 b6 17.Qa1 a6=; A4) 13...b6 14.e4 (14.c4 dc4 15.Bf6 Qf6 16.Ne4 Qg6 17.Nd6 Qd6=+) 14...de4 15.de4 Bf4 16.e5 Nd7 17.g3 Bh6=; B) 13.c4 dc4 14.Bf6 Qf6 15.Ne4 Re4 16.de4 Nb3 17.Rb1 Bf3=.

13.Ra2 Be6 14.Nd4 (14.Nb3 Nb3 15.cb3 c5 16.Qa1 d4 17.ed4 Bb3=+) 14...c5 15.Ne6 fe6 16.e4 Nc6 17.Bh5 Nh5=+.

13.Qb1 b6 14.Bc3 Ba3 15.Nb3 Nc6 16.Bf6 gf6 17.Nfd4 Nd4=.

13.Nb3 Nc6 14.h3 (14.Qd2 Bf3 15.Bf3 Ne5 16.Be2 c5 17.Rab1 b5=+; 14.Ra2 Bf3 15.Bf3 Ne5 16.Nd4 Qd7 17.Nb3 Qa4=+) 14...Be6 15.Qd2 a6 16.Reb1 b5 17.Na5 Na5=+.

13.Qc1 c5 14.h3 (14.Rb1 b6 15.h3 Be6 16.Bc3 Nc6 17.Qb2 Nh5=; 14.Bc3 Nc6 15.Qb2 d4 16.ed4 cd4 17.Bd4 Nd4=+) 14...Be6 15.Bc3 Nc6 16.Qb2 Nh5 17.Rab1 b6=.

13.Bc3 b6 14.Qb1 (14.Qc1 Nc6 15.Qb2 Ne5 16.Be5 Be5 17.Ne5 Qe5=) 14...Ba3 15.Nb3 Nc6 16.Bf6 gf6 17.Nfd4 Nd4=.

13.Nd4 Bd7 14.N4b3 (14.c4 dc4 15.dc4 c5 16.N4f3 Bf5 17.Qc1 Nc6=+; 14.Bf3 c5 15.Ne2 Bf5 16.Rb1 b6 17.Nc3 Bc8=; 14.Bc3 b6 15.Ba5 ba5 16.c4 Ba3 17.Nc2 Bb2=+; 14.N4f3 c5 15.Bc3 Nc6 16.Qb1 b5 17.Qb3 d4=+; 14.N2b3 Nb3 15.cb3 c5 16.Nf3 b5 17.Qd2 a6=+) 14...Nb3 15.cb3 c6 16.b4 Ra8 17.Nb3 Bf5=.

13.e4 de4 (13...Bf3) 14.Bf6 Qf6 15.Ne4 Re4 16.de4 Bf3 17.Bf3 Bh2=+.

13.Ng5 A) 13...Bf5 14.h3 (14.Ngf3 c5 15.e4 de4 16.de4 Be4 17.Bd3 Bf3=; 14.Bf3 Nd7 15.h4 h6 16.e4 Bg6 17.Bc3 b6=+; 14.e4 de4 15.de4 Bf4 16.Bc3 Bg5 17.ef5 Qc5-/+; 14.Ndf3 c5 15.Nh4 Bd7 16.Bh5 g6 17.Be2 Nc6=+; 14.Bc3 b6 15.Qc1 Nc6 16.Qb2 Ne5 17.Ngf3 c5=; 14.Ra2 c5 15.Qa1 Nd7 16.Ndf3 h6 17.Bc3 b6-/+; 14.Bh5 Nh5 15.Qh5 Bg6 16.Qg4 c5 17.Ngf3 f5=+) 14...h6 15.Ngf3 c6 16.Bc3 b6 17.Qc1 Be6=; B) 13...Bd7 14.Bh5 Nh5 15.Qh5 Bf5 16.Ngf3 Bg6 17.Qg4 c5=.

13.h3 .Bh5 (13...Be6 14.Bc3 (14.e4 de4 15.Bf6 Qf6 16.Ne4 Qg6 17.Nd6 Rd6=; 14.Nd4 Bd7 15.Bf3 c5 16.N4b3 Nb3 17.cb3 Be6=; 14.Nb3 Nc6 15.Qd2 a6 16.Reb1 b5 17.Qc3 Nb8=+; 14.Qc1 c5 15.Rb1 b6 16.Bc3 Nc6 17.Qb2 Nh5=; 14.Ng5 Bc8 15.Bh5 Nh5 16.Qh5 Bf5 17.Ngf3 Bg6=; 14.Qb1 b6 15.Bc3 Ba3 16.Bf6 gf6 17.d4 Bd6=; 14.c4 dc4 15.dc4 Bf5 16.Qa4 b6 17.Qb5 c5=) 14...b6 15.Qc1 c5 16.Qb2 Nh5 17.Ba5 ba5=; 13...Bd7 14.Bc3 (14.e4 de4 15.Bf6 Qf6 16.Ne4 Qf4 17.Nd6 Qd6=; 14.Qb1 b6 15.Bc3 Ba3 16.Bf6 gf6 17.d4 Bb4=; 14.Nb3 Nc6 15.Qd2 b6 16.Qc3 a5 17.Nbd4 Na7=; 14.Ra2 Be6 15.Nd4 c5 16.Ne6 Qe6 17.Qa1 Be7=+; 14.Qc1 b5 15.Bc3 Nc6 16.Qb2 Ne5 17.Be5 Be5=; 14.Nh2 c5 15.Ng4 Ng4 16.Bg4 Nc6 17.Rb1 b5=+) 14...Nc6 15.Qb1 b5 16.Qb2 Ne5 17.Be5 Be5=; 13...Bf5 14.Qb1 (14.e4 de4 15.de4 Ne4 16.Bd3 Bc5 17.Ne4 Be4=; 14.Bc3 Nc6 15.Qb1 b6 16.Qb2 Ne5 17.Ne5 Be5=; 14.Nd4 Bd7 15.Bf3 c5 16.N4b3 Nb3 17.cb3 Be6=; 14.Qc1 Nc6 15.Bc3 Ne5 16.Qb2 b6 17.Ne5 Be5=; 14.Nb3 Nb3 15.cb3 c6 16.b4 Ra8 17.Qd2 Rac8=; 14.Ra2 Be6 15.Nd4 c5 16.Ne6 Qe6 17.Bf3 Be5=+) 14...b6 15.Bc3 Ba3 16.Nb3 Nc6 17.Bf6 gf6=) 14.Nd4 (14.Ra2 Nd7 15.e4 Bf3 16.Bf3 c5 17.c3 Nc6=) 14...Be2 15.Qe2 Qd7 (15...Be5 16.N2f3 Bd4 17.Nd4 c5+=) 16.a4 (16.Bc3 Qa4 17.Nf5 Be5=) 16...c6 (16...a6 17.Bc3 Be5=) 17.Qf3 (17.Bc3 Bc7=) 17...Be5 18.Bc3 Qc7 19.Rab1 a6 20.Qf5 c5 21.Ne2 ½–½. Rego,Sandro (1780) – Makarczuk,Jacek (1875), IECC, 1999.

8.Bb2 Nbd7 9.c4 (9.Nc3 Ne5+=) 9...Nb6 (9...dc4 10.Bc4 Nb6 11.Bb5+=) 10.cd5 Nbd5 11.d3 Qe7 12.e4 (12.Nc3 Be6+=) 12...Nf4 13.Re1 (13.Nbd2 Be6+=) 13...Bg4 (13...Ne2 14.Qe2 Be6 15.Nd4-/+) 14.Bf1 (14.h3 Ne2 15.Qe2 Bh5+=) 14...Bb4-/+ 15.Nc3 Rad8 16.h3 Bh5 17.g3 (17.a3 Bc5-/+) 17...Ne6+= 18.Bg2 (18.g4 Bg6-/+) 18...Qd7 (18...Nc5 19.Re3-/+) 19.g4 Bg4 (19...Bg6 20.Qb3 Bc3 21.Bc3-/+) 20.hg4 Nf4 The pressure on the backward pawn d3 grows 21.Nh2 (21.Bf1!?=) 21...Nd3+= 22.Qb3 (better is 22.a3 Ne1 23.Qd7 Rd7 24.ab4+=) 22...Bc5 (22...Qe6 23.Qe6 fe6-+) 23.Red1?? (23.Re2 Nb2 24.Rb2 Bd4+/-) 23...Ng4?? (23...Nf2 24.Rd7 N2e4 25.Rd4 Bd4 26.Kh1 Ng3) 24.Rd3+/- Bf2 25.Kh1 Qd3 26.Ng4 Qg3 27.Nf2+– Qf2 28.Rf1 Qh4 29.Kg1 Re6 30.Nd5 c6 31.Qf3 Rd7 32.Qc3 Rg6 33.Nf4 Rg3 34.Qe5 Rd8 35.Bd4 Rg5? 36.Qc7+– Rg4 37.Nh3?? f5?? 38.Rf5 Rg2 39.Kg2= Qe4 40.Rf3 Qg4 41.Kh2 Qd7 42.Qf4 h6 43.Bc3 c5?? 44.Rg3 g5 45.Ng5! hg5 46.Qg5 Kf8 1–0. Runic,Zoran – Ristic,Nenad, Serbia–chT central, 2003.

8.Bb2 Bg4 9.Nc3 Qe7+=.

8.Bb2 Bg4 9.d3 c5 10.Nbd2 Nc6 11.h3 (11.c4 dc4 12.Nc4 Bc7=) 11...Bh5 (11...Be6 12.c4+=) 12.c4= dc4 13.Nc4 Bc7 14.d4 (14.Qc2 b5 15.Na3 a6 16.Bf6 Qf6 17.Qc5 Bf3 18.Bf3 Bd6 19.Qc6 Rac8+=) 14...cd4 (14...b5 15.Na3 cd4 16.Bb5 Bf3 17.Qf3+=) 15.Nd4 (15.Bd4 b5 16.Ncd2 Nd4 17.Nd4 Be2 18.Ne2 Be5+=) 15...Be2 16.Ne2 (16.Qe2 Nd4 17.Qd2 b5-+) 16...Qe7 17.Nd4 Nd4 18.Bd4 b5 19.Nd2 a5 (19...Be5 20.Be5 Qe5 21.Nf3+=) 20.Nf3 (20.Rc1 Rac8=) 20...a4 (20...Rad8 21.Qb3 b4 22.Rfd1+=) 21.a3 (21.Rb1 Rab8=) 21...Ne4 (21...Rad8 22.Rb1 Ne4 23.Qd3+=) 22.Qc2 Rab8 23.Rfd1 Rec8 (23...Rbc8 24.Qb2+=) 24.Qb2= f6 25.Qa2 (25.Rab1 Bd6 26.Qa2 Kh8=) 25...Qf7 26.Qe2 Qc4 27.Qb2 Bd6 28.Nd2 Nd2 29.Qd2 Be7 30.Rdc1 Qd5 31.Rc8 Rc8 32.Qb2 Qb3 33.Qb3 ab3 34.Rb1 Bd6 35.g4 (35.Kf1 Ba3 36.Rb3 b4=) ½–½. Saradjen,Janko (2190) – Orel,Oskar (2330), Portoroz Open, 2003.

8.Bb2 Bg4 9.d3 Nbd7 10.Nbd2 a5 11.c4 a4 12.Rb1 b6 13.cd5 Nd5 14.Nc4 Bf8 15.h3 Bh5 16.Ba1 c6 17.Nfe5 Be2 18.Qe2 Ne5 19.Ne5 (19.Be5? b5 20.Ba1 bc4 21.dc4 Nf6-+) 19...Qc7 20.d4 f6 21.Nf3 Re6 22.Rfc1 Bb4 23.Qc4 Qe7 24.Rc2 Rd8 25.Bb2 b5 26.Qd3 a3 27.Bc1 c5? (better 27...Bd6!? 28.Bd2 Qe8=) 28.Qb5+/- (28.Ba3 c4 29.Qe2 Ba3 30.Rb5 c3-/+) 28...Nc3 29.Rc3! Bc3 30.Ba3 (30.dc5?! Rd1 31.Kh2 Bb2+=; 30.Qc5?! Qc5 31.dc5 Rd1 32.Kh2 Bb2=+) 30...Bb4 31.Bb4 cb4 32.Rb4 Qd7 33.Qc4 Qd5 (33...Kh8 34.a4+/-) 34.Qc2 (34.Nd2!? Qc4 35.Nc4 Rc6+-) 34...Ra6+/- 35.Rc4 Qa5 (35...Ra3!?+/-) 36.a4+- Rda8 37.Rc8 Rc8 38.Qc8 Kf7 39.Qd7 Kf8 40.d5 Qa4 41.Qc8 Kf7 42.Qc7 Kg8 43.Nd4 Qe8?? (better 43...Ra7 44.Qb8 Kf7+/-) 44.d6+- Ra1 45.Kh2 Qe5 (45...Ra8 46.Nc6 f5+-) 46.f4 Qe3 47.Qc4 Kf8 48.Ne6 Kf7 49.Qc7 (49.Qc7 Ke6 50.Qe7 Kd5 51.Qe3 Kd6 52.Qd4 Ke7 53.Qa1+-) 1-0. Suleymanli,Aydin (2320) - Prydun,Andriy (2070), 28th EY Open U14, 2018.

8.d4 c5 9.c4 Nc6 10.Bf6+/- Qf6 (10...gf6? 11.cd5 Na5 12.dc5 Bc5 13.Qd3+-) 11.cd5 cd4 (11...Nb4 12.Nc3 Bf5+/-) 12.ed4 (12.dc6!? de3 13.fe3+/-) 12...Ne7 (12...Nd4 13.Qd4 Re2 14.Qf6 gf6 15.Nc3=) 13.Nc3+= Nf5 (13...Bf5!?+=) 14.Re1 Bb4?? (better 14...Bd7+/-) 15.Qa4+- (15.Qa4 Qe7 16.Bb5 Bc3 17.Re7 (17.Be8?! Be1 18.Re1 Qf8+-) 17...Re7 18.Rb1+-) 1-0. Lance5500 (2620) - hairbeRt (2055), lichess.org, 2019.

8.d4 Nc6 9.Bf6 Qf6= (worse is 9...gf6 10.c4+=).

8.d4 Bg4 9.Nbd2 (9.Bd6 Qd6 10.Nbd2 Nc6=) 9...c6 (9...Ne4 10.Bd6 Qd6 11.Ne4 de4 12.Nd2 Be2 13.Qe2=) 10.h3 (10.Rb1 b5=) 10...Be5 11.Ne5 Be2 12.Qe2 Nbd7 13.f4 (13.Ndf3 Ne5 14.Ne5 c5=) 13...Qe7 (13...c5 14.Rab1 b6 15.c4+=) 14.Rfb1 (14.Rab1 Nb6+= (worse is 14...Ne5 15.fe5 Ne4 16.Ne4 de4 17.Qg4+/-)) 14...Nb6 (14...Rab8 15.c4+=) 15.Rb3 (15.a4 Rab8=) 15...c5+= 16.f5 (16.c4 Rac8 17.Rc1 dc4 18.Ndc4 cd4 19.ed4 Qd8+=) 16...Rac8 (16...c4 17.Rb5-/+) 17.c3 cd4 (17...Rc7 18.Qf3-/+) 18.cd4+= Rc2 19.Qd3 Rec8 20.a3 Ne4 (better is 20...Nbd7!? 21.Nef3 b6+=) 21.Ne4+= de4 22.Qe4 f6 23.Rb6 ab6 24.Qd5 Kf8 25.Nd7 (25.Ng4!?-/+) 25...Ke8-+ 26.Nb6? (better is 26.e4 R2c6 27.e5 Qd7 28.Qg8 Ke7 29.Qg7 Kd8 30.Qd7 Kd7 31.Re1-+) 26...R8c6 27.Qg8+= Qf8 28.Qd5 Rd6?? 29.Qb7 Rc3? 30.Nd5+– Rd7?? 31.Qa8 Rd8 32.Qa4 (32.Qa4 Kf7 33.Nc3+–) 1–0. Vettenburg,Louis – Steenlandt,Alain, corr Belgium, 1994.

8.Bd6 Qd6 9.d4 Bf5 =.

9.Na3 Nc6 +=.

9.c4 dc4 10.Na3 Bf5 11.Nc4 Bc7 12.Qb3 Nc6 13.Qb7+= Qd7 14.Qb3 Nd5 15.Qd1 Re6 16.d4+/- Rd8 (16...cd4 17.Nd4 Rh6 18.g3+/-) 17.dc5 Qe7 18.Qa4 (18.Nd4 Nd4 19.Qd4 Nf6+/-) 18...Rh6 19.Nd6! Bd6 20.cd6 Qd6 21.Rfd1 Qe7 (21...Rb8 22.Bc4 Qb4 23.Qb4 Ndb4 24.Ng5+–) 22.Rac1 Nb6 (22...Qb7 23.Bb5 Nce7 24.Be5+–) 23.Rd8 Qd8 24.Qf4 Bd7 25.Ne5 (25.Bd3 Qf8+–) 25...Ne5 (25...Qe8 26.Bd3 Ne5 27.Be5+–) 26.Qe5 Rg6 27.h4 (27.Bd4 Qe8+–) 27...Bc6?? (better is 27...f6 28.Qe4 f5+–) 28.Rc6 (28.Rc6 Qf8 29.Rc7+–) 1–0. Bauer,Christian (2625) – Thimm,T (2170), 10th Open, Bad Zwesten GER, 2006.

9.c4 dc4 10.Bc4 h6 11.Qb3 Qe7 12.Nc3 Bg4 13.Nd5 Nd5= 14.Bd5 Nc6 15.Qc3 Qf8 16.Bc6 bc6 17.Qc4 Bf5 (better is 17...Bf3 18.gf3 Rab8=) 18.Nh4?? (better is 18.d3=) 18...Re4-+ 19.Qa6 (19.Bg7 Rc4 20.Bf8 Bh2 21.Kh2 Rh4 22.Kg3 Rg4 23.Kh2 Kf8-+) 19...Rh4 20.f4 Qc8 21.Qe2 Bg4 22.Qf2 Rh5 23.Qg3 Bf8 24.e4 Rb8 25.Bc3 c4 26.Rae1 Rhb5?? 27.f5+= Bh5 28.Qh4 Bg6 29.fg6= fg6 30.Qf4 Qe6 31.Bd4 R5b7 32.Ba7= Ra8 33.Bd4 Be7 34.Ra1 Rd7 35.e5 Ra5 36.Bc3= Ra4 37.Qe4 Rda7 38.Qc2 Qd5?? 39.Qg6+– Bc5 40.Kh1 Re7 41.Rf4 Qe6 42.Qe4 Qd5 43.Qc2 Ra8 44.Bb2 Ba3? 45.Ba3 Ra3+/- 46.Qc4 Qc4 47.Rc4+/- Re5 48.Kg1 c5 49.Kf1 Kf7 50.Rf4 Ke6+= 51.d4 cd4 52.Rd4+/- Ree3 53.Rd2 Kf5 54.Kf2 Re5 55.Re2 Rea5 56.Ke1 h5 57.Kd1 h4 58.Kc1 h3 59.gh3 Rh3 60.Kb2 Rb5= 61.Kc2 Rc5 62.Kd2 Ra3 63.Re3 Ra4 64.Rc3 Rca5 65.a3 Rh4 66.h3 Ke5 67.Rg1 Ra7 68.Rc5 Kd4 69.Rb5+/- Ra4? 70.Rb3+– Rf4 71.Rg7 Kd5 72.Rg5 Ke6 73.Rgb5 Rad4 74.Rd3 Rd3+/- 75.Kd3 Rf3 76.Ke4 Ra3 77.Rh5 Ra4 78.Kf3 Kf6 79.Rb5 Kg6 80.Rc5 Kh6 81.Kg3 Rb4 82.h4 Ra4 83.Rc8+/- ½–½. Tuchtenhagen,Harald – Siptitz,Friedrich, Mecklenburg VP LL1, 1998.

9.d3 Nc6 10.Nbd2 Bg4 11.c4 dc4 12.Nc4 Bc7 13.h3 Bh5 14.Rc1 b6 (14...Qe7 15.Nd4 cd4 16.Bh5=+) 15.d4 (15.Qa4 Nb4+=) 15...cd4= 16.Nd4 Be2 17.Ne2 (17.Qe2? Nd4 18.Qd2 Ne6-+) 17...Ne4 18.Qa4 Ne5 19.Ne5 Be5 20.Be5 Re5 21.Qc6 Nc5 22.Rfd1 Qe8 (22...Qf8 23.Qc7 Re7 24.Qg3=) 23.Qe8 Ree8 24.Nd4 g6 25.Nb5 Re7 26.Kf1 a6 27.Nd6 (27.Nc3 Rb8+=) 27...Rc7 (27...Rd8 28.Nc4 Rd1 29.Rd1=) 28.Nc4 (28.Rb1 Rb8+=) 28...Rb8 29.Ke2 b5 (29...Ne4 30.Ne5 Rbc8 31.Rc7 Rc7 32.Rd7 Rd7 33.Nd7=) 30.Ne5 (30.Nd6 Kf8+=) 30...Kg7 31.Rd6 Rbc8 32.Nd3 Nd3 (32...a5 33.Nc5 Rc5 34.Rc5 Rc5 35.Kd2=) 33.Rc7+= Rc7 34.Kd3 Ra7 35.Kd4 Kf8 (35...Rc7!? 36.Ra6 Rc2+=) 36.Kc5+/- Rc7 37.Rc6 Rd7 38.Ra6 Rd2 39.Kb5 (39.Rf6!?+/-) 39...Rf2= 40.g4 Rf3 41.h4 Re3 42.a4 (42.Ra4 h6=) 42...Re4 (better 42...Re5!? 43.Kb6 Re4=+) 43.Ra8 Kg7 44.a5 Rg4 45.a6 Rg1 (worse 45...Rh4 46.a7 Rh5 47.Kb6+/-) 46.Rc8 Ra1 (46...Rb1 47.Kc6 Rc1 48.Kb7 Rb1 49.Ka8 Kf6+/-) 47.Rc4+- f5 (47...Kh6 48.Ra4 Rb1 49.Ka5+-) 48.Ra4 Rd1 (48...Rb1 49.Ka5 Rb8 50.a7+-) 49.a7 Rd8 50.a8Q Ra8 51.Ra8 Kf6 52.Kc5 Ke5 53.Re8 Kf4 54.Kd4 (54.Rh8!? h5+-) 54...Kg4 55.Rh8 Kh4 56.Rh7 Kg4 57.Ke3 (better 57.Rh1!? f4+-) 57...g5 58.Rf7 f4 59.Kf2 Kh4 60.Kf3 Kh5 61.Rh7 (61.Rf6 g4 62.Kf4 g3 63.Kg3 Kg5 64.Rf1 Kh6 65.Kg4 Kg6 66.Rf2 Kh6 67.Kf5 Kg7 68.Kg5 Kh7 69.Kf6 Kg8 70.Rh2 Kf8 71.Rh8) 61...Kg6 62.Ra7 Kf5 63.Ra5 Kf6 64.Kg4 1-0. Osmak,Iulija (2425) - Kaasen,Tor Fredrik (2395), Titled Tuesday 9th Mar, 2021.

9.d3 Bd7 10.a4 Bc6 11.Nbd2 Nbd7 12.c4 Ne5 13.d4 cd4 14.Nd4 Bd7 15.Nb5 Bb8 16.cd5 Neg4 (16...Nd5 17.Rc1=) 17.d6 Bb5 18.ab5 Qd6 19.Nf3 Qe6 20.Qd3 Ne5 21.Ne5 Be5 22.Be5 Qe5 23.Rfd1 Ne4 24.Bf3 Nc3 Attacking the isolated pawn on b5 25.Rdc1 Nb5 26.Ra5 (26.Bb7?! Rad8 27.Qf1 Re7+=) 26...a6 27.Bb7 Rad8 28.Qf1 Qb8 29.Ba6 Nc7 30.Be2 Ne6 31.Bf3 Qb4 32.Rb5 Qe7 33.g3 g6 34.Rb7 Qf6 35.Bc6 Rf8 36.Bg2 Ng5 37.Qe2 Ne6 38.Qb2 Qb2 39.Rb2 Kg7 40.Bc6 Rc8 41.Rcc2 Kf6 42.f4 Rfd8 43.Kf2 Rd6 44.Bf3 Rc2 45.Rc2 Rb6 46.Bd5 Ra6 47.g4 h6 48.h4 Rd6 49.g5 hg5 50.hg5 Kg7 51.Ba2 Rb6 52.Kf3 Ra6 53.Rb2 Rc6 54.Rb7 Ra6 55.Bb3 Rd6 56.Re7 Kf8 57.Ra7 Rb6 58.Bd5 Kg7 59.Ke4 Kf8 60.Ke5 Kg8 61.Ra8 Kg7 62.Rc8 Ra6 63.Rc6 Ra3 64.Ke4 Ra4 65.Kf3 Ra1 66.Be6 fe6 67.Re6 Kf7 68.Rf6 Kg7 69.Rd6 Rf1 70.Ke4 Ra1 71.Rd7 Kf8 72.Ke5 1–0. Krebbers,W (2115) – Hombrecher,K (1945), 21st Open Goch GER, 2010.

9.d3 Nbd7 10.Nbd2 b6 11.c4 Ne5 (11...Bb7 12.d4+=) 12.cd5 Nd5 13.a3 (13.Nc4 Nf3 14.Bf3 Bc7=) 13...Bb7 14.Qc2 Rc8 15.Rad1 Qe7 (15...Qc7 16.Be5 Be5 17.Ne5 Qe5 18.Bf3=) 16.Rfe1 Qc7 17.d4 cd4 18.Qc7 Nf3 19.Nf3 Rc7 20.Nd4 (worse is 20.ed4 Rc2 21.Ba6 Re1 22.Ne1 Rb2 23.Bb7 Nc3-/+) 20...a6 (better is 20...Be5!?=) 21.Nf5+/- Bf8 22.Ba6 Ne3 23.Re3 (23.fe3 Ba6) 23...Re3 24.Ne3 Ba6 25.Bd4 (25.Rd8 Rc8 26.Rd7 Bb5=) 25...Ba3 26.Bb6 Rc1 27.Rc1 Bc1 28.f3 Be3 (28...Bd3 29.Bd4=) 29.Be3 f6 30.Kf2 Kf7 31.h4 h5 32.Bc5 g5 33.Kg3 Bf1 34.hg5 fg5 35.Kf2 ½–½. Hodgson,Julian M – Borg,Geoffrey, Groningen, 1981.

8.a3 Be7 +=.

8.Bb2 b6 9.Bb5 Qe7 =.

8.Bb2 b6 9.c4 c6 10.Nc3 Bd6 11.cd5 Nd5 12.Nd5 cd5 13.Nd4 Nc5 14.Qc2 Bd7 15.Nb5 Bf8 16.a4 Ne4 17.d3 Nc5 18.Bf3 Bf5 19.Rfd1 a6 20.Nc3 Attacking the isolated pawn on d5 20...Be6 21.d4 Nb7 22.e4 Rc8 (22...Nd6 23.Nd5 Bd5 24.ed5+=) 23.Qd3+= Nd6 24.Nd5 (24.ed5 Bf5 25.Qa6 Nc4+=) 24...Nc4 25.Bc3 b5 (25...Bd5!? 26.ed5 Bd6=) 26.ab5+= ab5 27.Rab1 Na3 28.Rb3 f5 29.Bb2 Nc4 30.Rb5 Nd6 31.ef5+– Bf5 32.Qb3 Kh8 33.Rc5 Rb8 34.Qa2 Ne4 35.Ne7 Nc5?? 36.Qg8 (36.Nf5?! Qf6 37.Ng3 Ne6+=) 1–0. Haugli,Petter (2250) – Bjerke,Richard (2310), NOR–ch Trondheim, 1983.

8.Bb2 b6 9.d3 Bb7 10.Nbd2 Bd6 11.Re1 (11.Nd4 c5 12.Nf5 Bc7=) 11...c5+= 12.Bf1 (12.Rb1 Qe7+=) 12...Qe7 13.g3 (13.d4 Rab8+=) 13...Qe6 (13...b5 14.Bg2+=) 14.Bg2 Rad8 15.h3 (15.c4 a6+=) 15...Ba8 (15...b5 16.d4+=) 16.Ng5 (16.c4 Bc6+=) 16...Qe7 17.f4 Nf8 (17...h6 18.Ngf3+=) 18.Ngf3 N6d7 (18...Ne6 19.c4+=) 19.Nh4 g6 (19...Qe6 20.e4 d4 21.Nf5=) 20.Qg4= Nf6 21.Qd1 (21.Qg5 Nh5 22.Qh6 d4 23.Ba8 Ra8+=) 21...N6d7 (21...b5 22.Nhf3+=) 22.Nhf3= f6 (22...Ne6 23.e4=) 23.c4 Qf7 (23...Qe6 24.e4 de4 25.Ne4 Be4 26.Re4+=) 24.Qc2 dc4 25.Nc4 Bc7 26.a4 Qe7 27.e4 Nb8 28.Ne3 h5 29.Qc3 Nbd7 30.Nd5 Bd5= 31.ed5 Qd6 32.Ng5 Nh7 33.Re6 Re6 34.Ne6 Re8 35.Qc4 Bd8 36.d4 Nhf8 37.Ba3 Kh7 38.Re1 Be7 39.dc5 bc5 40.Nc7! Qc7 41.d6! Qd6 42.Qf7 A double attack 42...Kh6 43.Qe8 Qd4 44.Kh1 Qa4?? 45.Re7 Qa3 46.Rd7 (46.Rd7 c4 47.Re7+–) 1–0. Campora,Daniel Hugo (2525) – German,Gustavo (2340), Buenos Aires Clarin op, 1995.

8.Bb2 c5 9.d3 Ba5 (9...Qe7 10.c3 Ba5 11.Nbd2=+) 10.Nbd2 (10.c4 Qb6 11.Qc2 Qe6=) 10...Bc7 (10...Qe7 11.Nb3 Bc7 12.Re1=) 11.h3 (11.c4 dc4 12.dc4 Qe7=) 11...b6 12.c4 Bb7 13.cd5 Nd5 14.Re1 N7f6 (14...a6 15.Rc1=) 15.a3 (15.d4 Rc8=) 15...Qd7 16.Qc2 Rad8 17.d4 cd4 18.Bd4 Bd6 19.Nc4 Rc8 20.Qb3 Bb8 21.Nce5 Qe6 (21...Be5 22.Ne5 Qc7 23.Nc4=) 22.Rac1 (22.Ng5 Qe7 23.Ngf7 Rf8+/-) 22...h6 (22...Rc1 23.Rc1 Nf4 24.Bc4 Ne2 25.Kf1 Nc1 26.Be6 Nb3 27.Bf7 Kf8 28.Bb3=+) 23.Bc4 Qe7? (better 23...Ne4=) 24.e4+- Nf4 25.Bf7 Kh7 26.Be8 Re8? (better 26...Rc1 27.Rc1 Qe8+-) 27.Nc6 Bc6 28.Rc6 Qd7 29.Rcc1 (29.Qc2 Kg8+-) 29...Ne6 (29...Re4 30.Bf6 Re1 31.Re1 gf6+-) 30.Bf6 gf6 31.Qc2 (31.Rcd1 Qe7+-) 31...Kh8 32.Rcd1 Qg7 33.Rd2 (better 33.g3+-) 33...Rg8 34.g4 h5 35.Nh2 Qh6 36.f3 Qf4 (better 36...Ng5 37.Rf1 Nh3 38.Kh1 hg4 39.fg4 Ng5+/-) 37.Kg2?? (better 37.Rf1+-) 37...Ng5 (better 37...Qh2 38.Kf1 Qh3 39.Ke2 Qg2 40.Kd1 Qf3 41.Ree2 Nf4-+) 38.Nf1?? (better 38.e5 Be5 39.Re5 fe5 40.Rd7 hg4 41.hg4=) 38...Qf3 39.Kg1 Nh3 0-1. NoLuckOnlySkill (2160) - TossIMBA (2395), Rated Blitz game, lichess.org, 2016.

8.Bb2 Nc5 9.Ba3 Ba3 10.Na3 Qe7 11.Qe1 Bg4 12.c4 (12.Nb5 Ne6+=) 12...Nce4 (better is 12...Bf3 13.gf3 d4-+) 13.d4?? (13.Qc1 Ng5+=) 13...dc4 (better is 13...Qa3 14.Ne5 Be2 15.Qe2 c5-+) 14.Nc4= Nd5 (14...c5 15.Nce5+=) 15.Nce5 Be6 16.Bd3 Ndf6 17.Qe2 Bd5 18.Rab1 Rac8 19.Bc4? c6?? 20.Rb2 Rc7 ½–½. Weigel,Hans Juergen (1935) – Niebling,Ferdinand (2020), GER–chT Seniors, 2003.

8.Bb2 Nc5 9.c3 Ba5 10.a4 c6 11.d3 Bf5 12.Nd4 Bg6 13.Nb3 Bb6 14.Nc5 Bc5 15.Nd2 Qc7 16.Ba3 Bb6 17.c4 Qe5 18.Nf3 Qe6 19.c5 Bc7 20.Bb2 Ng4 (20...b6 21.Qc2=) 21.Bd4 Qe7 22.Qb3 Nh6 (22...Rab8 23.Qb2=) 23.Rab1 Rab8 24.Qc3 (24.Qb4 b6=) 24...Nf5+= 25.g4 (25.Rfc1!?+=) 25...Nd4-/+ 26.Qd4 b6 27.cb6 ab6 28.h4 Qd7 29.Nh2 c5-+ 30.Qb2 h5 31.Qd2 hg4 32.Ng4 Bf5 33.f3 Qe7 34.Rf2 Qh4 35.Rg2 Re6 36.Qe1 Qe1 37.Re1 Bg4 38.fg4 Re3 39.Kf2 Rbe8 40.Rgg1 Bd6 41.Rg2 c4! 42.dc4 d4 43.c5 Bc5 (43...Bc5 44.Rg3 Rg3 45.Kg3 d3-+) 0–1. Bulcourf,Carlos (2300) – Glavina Rossi,Pablo (2365), Buenos Aires FMDA tt, 1989.

8.Bb2 Nc5 9.Bf6 Qf6 (worse is 9...gf6 10.a3 Ba5 11.d4+=) 10.c3 Ba5 11.d4 Nd7 12.c4 dc4 13.Bc4 b6 14.Qa4 c6 15.Na3 Bb7 16.Bd3 Rad8 17.Rad1 c5 18.d5 a6 19.Nc4 Bb4 (worse is 19...Bd5 20.Bh7 Kh7 21.Rd5+–) 20.a3 b5 21.Qc2 bc4 22.Bh7 Kh8 23.ab4 cb4 24.Rd4 b3 25.Qb1 g6 26.Rf4 Qg7 27.Ng5 Bd5 28.Rh4 c3 29.Bg6 Kg8 30.Bh7 Kf8 31.Rg4 Qe5 32.Bf5 Nc5 33.Rc1 Bb7 34.Nh7 Ke7 35.Rg5 Qh8 36.Rg4 (36.Rh5 Rb8-+) 36...Rg8 37.Rg8 Rg8 38.g3 Rd8 39.h4 Qe5 40.Ng5 Rd2 41.Rf1 f6 (41...f6 42.Bg4 fg5 43.Qh7 Kd8 44.hg5 Be4 45.Qg8 Ke7-+) 0–1. Rosner,Dirk – Watta,Stephan, DESC, 1999.

8.Bb2 c6 9.c4 dc4 10.Bc4 Nb6 11.Be2 Bg4N 12.Ne5 Be2 13.Qe2 Qd6 14.Nf3 Nbd5 15.a3 Ba5 16.Nc3 Nf4 17.Qc4 Nd3 18.Ng5 Re7 (18...Nb2?! 19.Qf7 Kh8 20.Qb3+=) 19.Nce4 (better is 19.Rfb1!?-/+) 19...Ne4-+ (19...Nb2?! 20.Nd6 Nc4 21.Nc4=) 20.Ne4 Re4 (20...Nb2?! 21.Nd6 Nc4 22.Nc4=) 21.Qe4 Nb2 22.Rab1 (22.d4 Nc4 23.Qd3 Bc7-+) 22...Nd3 (22...Qa3 23.Qc2 Na4 24.Ra1+=) 23.Rb3? (23.Qf5 b6 24.Rfd1-+) 23...Nc5 24.Qc4 (24.Qc2 Bc7 25.g3 Nb3 26.Qb3 Rb8-+ (26...Qd2?! 27.Qb7 Qd8 28.Qc6-+)) 24...Nb3 (24...b5!? 25.Qc2 Nb3 26.Qb3 Qd2 27.a4-+) 25.Qb3 Bb6 (25...Qd2?! 26.Qb7 Rd8 27.Qc6-+) 26.d4 Bc7 27.g3 b6 28.Rc1 Rc8 29.Qa4 Bb8 30.Qa6 Qd7 31.d5 c5 32.a4 Rd8 33.e4 f5 34.f3 fe4 35.fe4 Re8 36.Rc4 Qg4 37.e5 Qd1 38.Kg2 Qe2 39.Kh3 Qf1 40.Kg4 h5 41.Kh5 Re5 42.Kg4 Qf5 43.Kh4 Qh5 0–1. Neumann,Frank (1650) – Vehlow,Burkhard (2150), RSS7E schnell–31, 2008.

8.Bb2 Bd6 9.h3 Nf8 10.d3 Ng6 11.Nbd2 c6 12.c4 b6 13.a4 h6 14.Rc1 Qe7 15.Re1 Bb4 (15...Be6 16.cd5 cd5 17.Bd4=) 16.Rc2 (16.cd5 cd5 17.Qb3 Bd2 18.Nd2 Be6+=) 16...Bd7 17.Qa1 Rad8 (17...dc4 18.Rc4 (worse is 18.Nc4 Be1 19.Ne1 c5-/+) 18...c5 19.Rb1=) 18.Rb1 (18.cd5 cd5 19.Rc7 Ne4 20.de4 de4+/-) 18...Bd2 19.Nd2 Nf4 20.Bf1 Ng6 (20...Ne6 21.Bf6 Qf6 22.Qf6 gf6 23.d4+=) 21.cd5 Nd5 22.Bg7 Kh7 (22...f5 23.Bb2+/-) 23.Ne4 (23.e4!? Nb4 24.Rc4 c5+–) 23...Ne5+/- 24.Be5 Qe5 25.Qe5 Re5 26.Nd6 Rf8 27.Nc4 Rg5 28.f4 Rg3+= 29.Kh2 Ne3= 30.Ne3 Re3 31.Rbc1 c5 32.Rf2 Ba4-/+ 33.Ra1? Bb5 34.Ra7+= Bd3 35.Bd3 Rd3 36.Rb7 Rd6 37.Rb2+= Rd4 38.g3 c4+= 39.Rc2 h5 40.Rb6 h4 41.Rc6 hg3 42.Kg3 Rg8 43.Kf3 Rd3 44.Ke4 Rh3 45.R2c4 Rh5 46.Rc7 Re8 47.Kd4 Rf5 48.Kc3 Kg6 49.R4c6 Re6 50.Re6= fe6 51.Rc4 Rd5 52.Rc8 Kf5 53.Rf8 (53.Rf8 Ke4 54.Re8=). Pommerel,Wim – Ayress, 1994.

8.Bb2 Ne4 9.c4 dc4 10.Bc4 Nb6 11.Qb3 Nc4 12.Qc4 Bf8 (12...Bd2? 13.Rd1 Nd6 14.Qd4+–) 13.Rc1 Nc5 14.d4 Be6 15.Qc2 Na6 16.a3 c5 17.Nc3 cd4 18.Nd4 Bg4 19.Nce2 Rc8 20.Qd2 Nc5 21.f3 Bd7 22.Ng3 Qg5 23.Re1 h5 24.f4 Qd5 25.h3 Be7 (25...h4!? 26.Nf1 Qe4-/+) 26.e4= Qc4 27.Rac1 Qd3 28.Qe3 (28.Qf2 Na4 29.Rc8 Bc8=) 28...Bh4+= Will e4 fall? 29.Rc5 Qe3-+ 30.Re3 Rc5 31.e5 Bg3 32.Rg3 g6 33.Rg5 Rd5 34.g4 hg4 35.hg4 Rc8 36.Kf2 Rc4 37.Ke3 b5 38.Ne2 Rc2 39.Bc3-/+ a6 40.f5? Ra2?? 41.e6-/+ Be8 42.Nf4 Rc5 43.Bb4 Re5 44.Kd4+/- f6 45.Ng6 Bg6?? 46.Rg6+– Kh7 47.Rf6 Rae2 48.Rf7 Kg8 49.g5 R2e4 50.Kc3 Re3 51.Kb2?? Rf3+= 52.Rf8 Kg7 53.f6 Kg6 54.Rg8 Kf5 55.f7 Re2+= 56.Bd2 Rd2 57.Kc1 Ke6 58.f8Q Rf8 59.Rf8 Rg2 60.Rf6 Kd5 61.Ra6 Rg5 62.Kb2 Kc5 63.Kb3 Rg3 64.Kb2 ½–½. Gimeno Higueras,Roberto – Carbonell,Carlos, Ch Valencia Manises (Spain), 2003.

8.Bb2 Nf8 9.c4 c6 10.d4 Ng6 11.Nbd2 Bd6 12.cd5 cd5 13.Rc1 Ne4 14.Qb3 Be6 15.Ba3 Nd2 16.Nd2 Bh2 17.Kh2 Qh4 18.Kg1 Bg4 19.Bg4 Qg4 20.Nf3 Re6 21.Qd5 Rf6 22.Ne5 Qg5 23.f4 Qh4 24.Qb7 Re8 25.Rc8 h6 26.Re8 Kh7 27.Qe4 Qg3 28.Rf3 Qe1 29.Kh2 Qh4 30.Rh3 Qf2 31.Ng4 Rb6 32.Nf2 1-0. puppyluvr420 (2685) - JusticeBot (2585), Rated Bullet game, lichess.org.

8.Bb2 Nf8 9.d3 Ng6 10.Nbd2 c6 11.c4 Be6 12.Rc1 Bd6 13.Ng5 Rc8 (13...Bf5 14.c5 Be5 15.Be5 Ne5 16.Qb3=) 14.f4 (14.Ne6 Re6 15.cd5 cd5+= (worse 15...Nd5 16.Bg4+-)) 14...Bd7 15.c5 (15.f5 Ne5 16.c5 Nfg4 17.Nf7 A) 17...Kf7? A1) 18.cd6 Ne3 19.Qb3 Nf1 20.Bh5 g6 21.fg6 hg6 (worse 21...Ng6 22.Rf1 Kg8 23.Ne4 Re4 24.de4 Qb6 25.Qb6 ab6 26.ed5+-) 22.Rf1 Kg8=; A2) 18.Bg4 Ng4 19.Qg4+-; B) 17...Qh4 18.Be5 Be5 19.Bg4 Qh2 20.Kf2 Bg3 (worse 20...Kf7 21.Qf3 Qh4 22.Ke2=) 21.Kf3 Bh4-/+ (21...Kf7?! 22.Rh1 Re3 23.Ke3 Bf4 24.Kf2 Qg3 25.Kf1 Qd3 26.Qe2 Qd2 27.Rb1=)) 15...Bb8 16.Bd4 h6 17.Nh3 Nf8 18.Rf3 Bh3 (18...Bg4 19.Rg3 Bf5 20.Nf2=) 19.Rh3= Ne6 20.Nf3 (20.Nb3 b6=) 20...Nd4 (20...Bf4!? 21.ef4 Nf4-/+) 21.Nd4= Rc7 (21...Qd7 22.Qc2=) 22.Rg3 (22.Nf5 Re6+=) 22...Qc8= 23.Qd2 Rce7 24.Rf1 b6 25.Nb3 (25.Rc1!? b5 26.a4=) 25...bc5=+ 26.Nc5 Bd6 27.Nb3 Qc7 28.Nd4 Qd7 29.Nc2 Bc5 30.Kh1 Bb6 31.Bd1 c5 32.Bf3 c4 ½-½. Jankowski,Igor (1660) - Lazniewski,Tadeusz, 15th Baltic Pearl Open, 2019.

9.a4 a5 10.c3 Bd6 11.d4 Ne4 12.Nbd2 Re6 (12...Bg4 13.h3 Nd2 14.Qd2+=) 13.c4= Nd2 14.Qd2 (14.Nd2!? Rh6 15.h3 dc4 16.Bc4 Nc4 17.Nc4+=) 14...Nc4 15.Bc4 dc4 16.d5 Rg6 17.Ne5 Be5 18.Be5 Bf5 19.Qd4 Bd3 20.Rfe1 f5 21.f3 Qd7 22.Qc5 (22.Ra2 c6 23.e4 fe4 24.fe4 Re8-/+) 22...b6 23.Qc7 Qd5 24.Kf2 Re8 25.Bd4 Qd6 26.Qd6 Rd6 27.Ra2 Ree6 28.g3 Kf7 29.h4 g6 30.Rb2 Rc6 31.Bc3 Ke7 32.Rc1 Kd7 33.Rb5 h6 34.Bd4 Kc7 35.Be5 Kb7 36.Bf4 h5 37.Rd5 Re7 ½–½. Taus,M (2130) – Kozak,Mi (2225), Ostravsky Konik A, 2011.

9.a4 a5 10.d3 Bd7 Attacking the isolated pawn on a4 11.c3 Bd6 12.Nbd2 c5 (12...Qe7 13.Qb3+=) 13.Re1 (13.Qb3 Rb8=) 13...Qc7 14.h3 (14.Qb3 Rad8=) 14...Qc6 Increasing the pressure on the isolated pawn on a4 (14...c4 15.dc4 Nc4 16.Nc4 dc4 17.Bc4 Qc4 18.Qd6 Ba4 19.Ne5=) 15.c4= Bc7 (15...dc4 16.Bf6 cd3 17.Bd3 gf6 18.Qc2=) 16.Qc2 Rac8 (16...dc4 17.Nc4 Nc4 18.Qc4=) 17.Bc3 h6 (17...dc4 18.dc4 Ra8 19.Ng5=) 18.Ba5 Nc4 19.Bc7 Nd2 20.Bg3 Nf3 21.Bf3 c4 22.dc4 Ne4 23.Be4 Re4 24.a5 (24.Red1 Rc4 25.Qd3 Qc5=) 24...Rc4 25.Qb2 Bf5 26.Qb6 Qd7 27.Qd6 Qb5 28.Red1 R4c5 Attacks the isolani on a5 29.Kh2 Be4 30.Rg1 Qa6 31.Qd7 Qc6 32.Qc6 R8c6 33.f3 Bf5 34.Rgd1 Re6 35.Be1 Rb5 36.Kg3 Re3= 37.Kf4 ½–½. Woelfelschneider,Peter – Zimmer,Frank, PCM–F TSC, 2002.

9.a4 Bg4 10.a5 Nc4 11.Bc3 +=.

9.c3 Ba5 10.Na3 Bd7 11.c4 dc4 12.Nc4 Nc4 13.Bc4 Be6 14.Be6 Re6 15.Ng5 Rd6 16.Bf6 Rf6 17.Qh5 h6 18.Ne4 Ra6 19.Nc5 Qd2? (better is 19...Rb6 20.Nb7 Rb7 21.Qa5 Qd3+/-) 20.Na6+– ba6 21.Rfd1 Qc3 22.Rac1 Qa3 23.Qc5 Qc5 24.Rc5 Bb6 25.Rcd5 c6 26.Rd7 Re8 27.Rc1 (27.R1d6 c5+–) 27...Re6 (27...Re3!? 28.fe3 Be3 29.Kf1 Bc1 30.Ra7 Kf8+/-) 28.Kf1+– g5 29.Rc4 Kg7 30.a4 a5 31.Ke2 Kg6 32.e4 h5 33.f3 Rf6 34.e5 Re6 35.Rd6 Kf5 36.Re6 fe6 37.Rc6 Ke5 38.Kd3 Bg1 39.Rc7 h4 40.Rb7 a6 41.Ke2 Bc5 42.Rc7+– Kd4 43.Rg7 Kc3 44.Rg5 Bb4 45.Re5 Kb3 46.Kd3 Bd6 47.Ra5 1–0. Lorenc,Tomas (2150) – Hrbolka,Ladislav (2145), CZE–chT2b, 2007.

9.c3 Bd6 10.d3 Bd7 11.a4 a5 12.Nbd2 c5 13.c4 dc4 14.Nc4 Nc4 15.dc4 Bc6 16.Qb3 Ne4 17.Rfd1 Re6 18.Be5 Qe8 19.Bd6 Rd6 20.Rd6 Nd6 21.Qb6 Ne4 22.Bd3 Qd8 23.Qd8 Rd8 24.Ne5 f6 25.Nc6 Rd3 26.Na5 b6 27.Nc6 Nd2 28.g3 Nc4 29.a5 Na5 30.Na5 ba5 31.Ra5 Rd1 32.Kg2 Rc1 33.Ra7 c4 34.Rc7 c3 35.Kf3 Kf8 36.Ke2 Rc2 37.Kf3 f5 38.h4 Kg8 39.h5 g5 40.h6+/- g4 41.Kf4 Rf2 42.Kg5 Ra2 43.Rc3 Ra6 44.Rc8 Kf7 45.Rc7 Kg8 46.Rg7 Kh8 47.Rf7 Kg8 48.Rf5 Re6 49.Kf4 Rh6 50.Kg4 Ra6 51.Kf4 Kg7 52.e4 Ra4 53.g4 h6 54.Rb5 Kg6 55.Rb6 Kg7 56.Kf5 Ra7 57.e5 Rf7? 58.Rf6 Ra7 59.Rg6 Kh7 60.g5 hg5 61.Rg5 Rf7 62.Ke6 Rf2 63.Ke7 Rf1 64.e6 Rf2 65.Ke8 Re2 66.e7 Kh6 67.Rg4 Rd2 68.Kf7 Rf2 69.Ke6 Re2 70.Kf6 Kh7 71.Rg7 (71.Rg7 Kh6 72.Rg6 Kh5 73.Rg5 Kh4 74.Re5 Re5 75.Ke5 Kg4 76.e8Q Kf3 77.Qc6 Kf2 78.Kf4 Ke2 79.Qc2 Ke1 80.Ke3 Kf1 81.Qf2) 1–0. Lorenc,Tomas (2150) – Bartos,Jan (2190), CZE–chT2b, 2006.

9.c3 Bd6 10.d3 Bd7 11.Nbd2 c5 12.c4 Bc6 13.Re1 dc4 14.Nc4 Nc4 15.dc4 Ne4 16.Qc2 Ng5 17.Qf5 (17.Nd2 Qc7 18.h3 Ne4 19.Ne4 Be4=+) 17...Nf3-/+ 18.Bf3 Bd7 (better 18...Bf3!? 19.gf3 Qh4=+) 19.Qh5= Be6 20.Bd5 (20.Rad1 A) 20...Bc4? 21.Qg4 (21.Bb7?! Rb8 22.Qg4 g6 23.Qc4 Rb7+/-) 21...g6 22.Qc4+-; B) 20...Qc7=) 20...g6 (20...Bd5 21.cd5 Re4 22.Qf3=) 21.Qf3 Bd5 22.Qd5 Qc7 23.g3 Re6 24.Red1 Rd8 25.Qf3 Rde8 26.Bc3 Be5 (26...Re4 27.Qf6 Be5 28.Be5 Qe5 29.Qe5 R8e5 30.Rac1=) 27.Be5 Re5 28.Rd2 Rf5 29.Qe2 Rd8 30.Rad1 Rd2 31.Qd2 Re5 (31...Qe5 32.f4 Qe6 33.Qd3+=) 32.Qd8+= Qd8 33.Rd8 Kg7 34.Rd7 Re4 35.Rb7 Rc4 (35...a5 36.Rb5 Rc4 37.Ra5 Rc1 38.Kg2+/-) 36.Ra7+/- Rc1 37.Kg2 Ra1 38.Rc7 Ra2 39.Rc5 Ra6 40.Rc7 h5 41.h4 Re6 42.Kf3 Rf6 43.Ke2 Re6 44.f4 (44.f3 Kf6+/-) 44...Rb6 45.Kd3 Rb1 46.Ke4 Rb3 47.Rd7 Rb4 48.Rd4 Rb3 49.Rd3 Rb4 50.Kf3 f5 51.Rd5 Ra4 52.Re5 Ra3 53.Kf2 ½-½. Mely (2270) - Rettich (2085), ChessWorld.net, 2016.

9.Nc3 Ne4 10.Ne4 (10.Nb5 a6 11.a3 Ba5-/+ (worse is 11...ab5 12.ab4 Ra1 13.Ba1+=)) 10...de4 11.Nd4 c5 (11...Na4 12.Qc1+=) 12.a3= Na4 13.ab4 Nb2 14.Qb1 cd4 15.Qb2 de3 16.de3 Qb6 (16...Qg5 17.Ra5 Qg6 18.Bh5=) 17.Rfd1 (17.Qd4 Qg6 18.Kh1 b6=) 17...Qg6 18.Rd5 (18.Kh1 a6=) 18...Bh3 19.g3 (19.Bf1 a6=) 19...Be6 (19...Bg4 20.Bg4 Qg4 21.Qd4=) 20.Rd6 a6 21.b5 ab5 (21...a5 22.Qc3+=) 22.Ra8 Ra8 23.Qb5 h6 24.Qb7 Ra1 25.Rd1 Ra2 26.Rd8 (26.Qc6 Kh7+=) 26...Kh7 27.Qb8 Ra1 28.Kg2+= Qf5 29.g4 Qf6 30.Rh8 Kg6 31.Qg8 Kg5? 32.h4!+– Kh4 33.Qb8 Kg5 34.Qb5 (34.Qb5 Bf5 35.Re8+– (35.Qf5?! Qf5 36.gf5 Kf5+–; 35.gf5?! Qf5 36.Qb2 Qf6+–)) 1–0. Rosner,Dirk – Wiesner,Robert, Tiger SC, 2000.

9.d3 Bd6 10.a4 c5 11.a5 Nbd7 12.c4 dc4 13.dc4 Qe7 14.Nc3 h6 15.Qc2 Ne5 16.Rfd1 Bg4 17.Nb5 Bb8 18.Ne5 Be2 19.Qe2 Be5 20.Be5 Qe5 21.a6 b6 22.Ra3 Rad8 23.Rad3 (23.Na7?? Qb2 24.Qd3 Qa3 25.Qd8 Rd8 26.Rd8 Kh7-+) 23...Rd3 24.Qd3 Ng4 25.Qd6 (25.Na7 Qh2 26.Kf1 Qh1 27.Ke2 Qg2-+) 25...Qd6 26.Nd6 Rd8 27.Kf1 (27.e4 f5 28.f3 Ne3=) 27...Kf8 (better is 27...Nh2!? 28.Ke2 Ng4=) 28.Ke2 Ne5 29.Nb5 Re8 30.g4 g6 31.Rd5 f6 32.h4 h5 33.gh5 gh5 34.e4 Nc4= 35.Na7 Na3 36.Kd3 Ra8+= 37.Rd7 c4 38.Kd2 c3 39.Kc1 b5 40.Rb7 Nc4 41.Rh7 Kg8 42.Rc7 b4 43.Nc8 Na3 44.a7 b3 45.Rc3 Nb5 46.Ne7 Kf7 47.Rb3 Ra7 48.Nf5 Nc7 49.Kd2 Ne6 50.Nd6 Kg6 51.Ke3 Ra1 52.f3 Re1 53.Kf2 Re2 54.Ke2 Nd4 55.Kd3 Nb3 56.f4 Nc1 57.Ke3 1–0. Woelfelschneider,Peter (1700) – Zulauff,Harri (1700), T4–04 TSC, 2001.

9.d3 Bd6 10.a4 Be6 11.Nbd2 h6 12.e4 de4 13.de4 Bc5 14.e5 Nfd5 15.Ne4 Be7 16.a5 Nd7 17.Nd4 Nf8 18.Qc1 Qd7 19.c4 Nb4 20.f4 Bf5 21.Nf5 Qf5 22.Qb1 Qd7 23.f5 Qc6 24.f6 Bc5 (24...gf6 25.Rf6 Bf6 26.Nf6 Kg7 27.Ne8 Re8 28.Bd4+-) 25.Kh1+- (worse 25.Nc5 Qc5 26.Rf2 Nc6 27.fg7 Ng6+/-) 25...g6 (25...g5+-) 26.Bf3 (26.Nc5?! Qc5 27.Bf3 Nc6+/-) 26...Re6 (26...Be3 27.Nd6 Qd7 28.Ne8 Re8 29.Rd1+-) 27.Qc1 (27.Qc1 Nh7 28.a6+-) 1-0. marekt (2090) - jchessk (1650), gameknot.com, 2019.

9.d3 Bd6 10.c4 dc4 11.dc4 Bg4 12.Qc2 Ne4 13.h3 (13.Rd1 Qe7 14.Nc3 Nf2-/+) 13...Bh5 (13...Bf5 14.Bd3 Nd7 15.Bd4=) 14.Nc3 (14.Rd1 Qe7 15.Nc3 Nf2 16.Rd6 Nh3 (16...Qd6?! 17.Kf2 Bf3 18.Bf3+=) 17.gh3 Qd6-+) 14...Bf3+= 15.Bf3 Nd2 16.Ne4 (16.Bb7 Nf1 (worse is 16...Nbc4 17.Ba8 Qa8 18.Rfd1+–) 17.Rf1 Rb8+=) 16...Nbc4 (16...Nf1 17.Rf1 Be5 18.Be5 Re5 19.c5-/+) 17.Nd2 Nd2 18.Bb7 Nf1 19.Rf1 Rb8 20.Bc6 Re6 21.Rd1 Qg5 22.Bd4 Qa5 23.Rb1 (23.e4 Be5-/+) 23...Rb1 24.Qb1 Qb4 25.Qc1 Be5 (25...a6 26.Bd7 Rg6 27.Bc6-/+) 26.Bd5 Re8 27.Bc6= Re6 28.Bd5 Bd4 29.Be6 Bb2 30.Qc6 fe6 31.Qe8 Qf8-+ 32.Qe6 Kh8 33.f4 Qb8 34.f5 Bf6 35.g4 h6 36.Kg2 Qd8 37.Kf3 Qd1 38.Kg2 Qd2 39.Kf3 Qd1?? 40.Kg2 Qd2?? 41.Kf3 Qd8 42.Ke2 Ba1 43.h4 Bf6 44.g5 hg5 45.hg5 Bg5 46.Qc6 Bf6 47.a4 Be7 48.a5 Bb4 49.Qb5 c5 50.a6 Qd2 51.Kf3 Qd1 52.Kf4 Qd6 53.Ke4 Qe7 54.Kf3 Kg8 55.Qc6 Ba5 56.Ke2 Bb6 57.Kd3 Kf8 58.Ke2 Qd8 59.Qe6 Qf6 60.Qc8 Ke7 61.Qb7 Kd6 62.Qe4 Qe5 63.Qb7 c4 64.e4 Kc5 (64...Kc5 65.Kd1 Qd4 66.Kc1 c3 67.Qd5 Qd5 68.ed5 Kd5-+) 0–1. Bianchi,Guillermo – De Toledo,James, Torre Blanca Buenos Aires ARG, 1989.

9.d3 Be6 10.c3 Bd6 11.Nbd2 Qe7 12.a4 a5 13.Nd4 c6 (13...Bd7 14.Qb3=) 14.Qb3 Bc7 (14...Nbd7 15.Ne6 (15.Qb7? Rab8 16.Nc6 Rb7 17.Ne7 Be7-+) 15...Qe6 16.c4= (16.Qb7 Rab8 17.Qb8 Rb8-+)) 15.Ne6 fe6 (15...Qe6 16.c4=) 16.c4 Nbd7 17.Qb7?? (better 17.Rab1+=) 17...Qd6-+ 18.Nf3 (18.f4 Rab8 19.Be5 Ne5-+) 18...Nc5 (18...Rab8 19.Ba3 c5 20.Qa7-+) 19.Qa8 (better 19.Be5 Nb7 20.Bd6 Bd6 21.Rfb1-+) 19...Ra8 20.Ba3 dc4?? (better 20...e5-+) 21.d4=+ Qf8 (21...Qd5 22.Bc5 Ne4 23.Rfc1-/+) 22.dc5 (better 22.Bc5!? Bd6 23.Bd6 Qd6 24.Bc4+=) 22...Ne4 (22...c3!?=+) 23.Bc4=. foytik (2330) - Sigrud (2110), Rated Classical game, lichess.org, 2016.

9.h3 Bd6 10.Qc1 c5 11.a4 Bd7 12.a5 Na4 13.Bf6 Qf6 (13...gf6?! 14.c4 dc4 15.Qc4+=) 14.c3 c4 15.Nd4 Nc5 16.f4 Bf5 17.Na3 Be4 18.Nab5 Bb8 19.Qa3 Rc8 20.Nf3 h6 21.Nbd4 Bd6 22.Qc1 Re8 23.h4 Qg6 24.Kh2 Rac8 25.Rg1 Qf6 26.g3 g6 (26...Rb8 27.Rf1-+) 27.Qf1 Kg7 28.Qh3 a6 29.Raf1 Nb3 30.h5 (30.Nb3!? cb3 31.Nd4=+) 30...Na5-+ 31.hg6 fg6 (31...Qg6?! 32.Ne5 Be5 33.fe5=; 31...Bg6?! 32.Nh4=+; 31...Kg6 32.g4 Rh8 33.Ne5 Kg7 34.Nf5 Kg8 35.Nd7=) 32.g4 (32.f5 g5-/+) 32...Nb3 33.Nf5 Kf7 34.Nh6 Ke7 35.Bd1? (better 35.g5 Qg7 36.Bd1 Bf3 37.Bb3-/+) 35...g5-+ 36.Ng5 Qg5 37.Nf5 Bf5 38.gf5 Qf6 39.Qh7 Kd8 40.Rg7 (40.Rg6 Rh8 41.Rg8 Rg8 42.Qg8 Kc7 43.Qd5 Qh8 44.Kg3 Rg8 45.Bg4-+) 40...Rc7 41.Rfg1 Nd2 42.Rc7 Bc7 43.Rg7 Bd6 44.Kg2 Re7 (44...Re3 45.Rb7 Be7 46.Qg8 Bf8 47.Qd5 Qd6 48.Rb8 Ke7 49.f6 Kf6 50.Qg5 Kf7 51.Bh5 Ke6 52.Rb6+-) 45.Qg8 Kc7 46.Rg6 (46.Re7 Qe7 (worse 46...Be7 47.Qd5 Qc6 48.Bf3 Nf3 49.Qf3-+) 47.Qd5 Qe3-+) 46...Qf7 (better 46...Qf5 47.Rg3-+) 47.f6 (47.Qf7 Rf7 48.f6 Kc6-+) 47…Qg8 (47...Qg8 48.Rg8 Re3-+) 0-1. Tsoi,Dmitry (2325) - Aleksandrov,A (2575), St Petersburg RUS, 2019.

10.a3 Bc5 =.

10.a3 Bd6 11.Nc3 c6 12.a4 a5 13.h3 Qe7 14.Qc1 Bf5 15.Bd1 Nfd7 16.Ne2 Nc5 17.Bg7 Kg7 18.Qb2 Be5 19.Ned4 Nca4 20.Nf5 Kf6 21.Qe5 (21.Qb1 Kf5 22.d4 Bc7 23.c3 Kf6 24.Ba4 Na4 25.Ra4 b5+=) 21...Qe5+= 22.Ne5 Re5 23.Nd6 Re7 24.c4 Nb2 25.c5 Nd7 26.Nb7 Nd3 (26...a4 27.d4+=) 27.Ra5+/- Rb8 28.Be2 Nf4 29.Ba6 (worse is 29.ef4 Re2 30.Rb1 d4=) 29...Ne6 30.Rfa1 h6 31.Kf1 Ra8 32.g4 Nb8 33.Be2 Ra5 34.Na5 Ra7 35.Nb3 Ra1 36.Na1 Nd7 37.Nc2 Ndc5 38.Nb4 Nd8 39.f4 Ke7 40.h4 f6 41.Ke1 Kd6 42.Bf3 Nde6 43.Kd2 Nd7 44.Nc2 c5 45.Na3 Nc7 46.Nb1 Nb5 47.Be2 c4 48.Nc3 Nc3 49.Kc3 Nc5 50.h5 Ne6 51.Bd1 Kc5 52.Bc2 Kd6 53.Bf5= Ke7 54.Kb4 Kd6 55.Kc3 Ke7 56.Bh7 Kd6 57.Bg8 Nc5 58.Bf7 Ne4 59.Kb4 Ng3 60.Bg8 Ne4 61.Bh7 Nc5 62.Bf5 Ne6 63.Be6+= Ke6 64.e4 de4 65.Kc4 f5 66.g5 hg5 67.fg5 f4 68.Kd4 f3 69.Ke3 ½–½. Szabo,Almos (2300) – Tudor,Vasile (2385), 1st Romanian Internet Championship, 2005.

10.Ba3 Ba3 11.Na3 Qe7 12.Qc1 c5 13.Re1 Rac8 (13...Na4 14.Rb1+=) 14.c4 (14.Rb1 h6=) 14...dc4 15.Nc4 Nc4 16.Qc4 Be6 17.Qa4 Nd5 18.Rac1 (18.Qa7?? Ra8 19.Qa8 Ra8-+) 18...a6 19.Nd2 Red8 20.a3 Bd7 (20...c4 21.dc4 (21.Rc4?? b5 22.Qb3 bc4 23.dc4 Nf6-+; 21.Nc4? b5 22.Qa5 bc4-+) 21...Ne3 22.Nf3+=) 21.Qe4= Be6 22.Qa4 b5 (22...h6 23.Ne4+=) 23.Qc2 (23.Qa6!? Qd7 24.a4 ba4 25.Ne4+=) 23...Nb6 Black prepares the advance c4 24.Nf3 Na4 25.Nd2 c4 26.dc4 Qa3 27.Ra1 (better is 27.Red1!?+=) 27...Qc3-+ 28.Qc3 Nc3 29.Nf3 Ne2 30.Re2 Bc4 (worse is 30...bc4 31.Nd4-/+) 31.Ree1 Rd6 32.Nd4 Kf8 33.h3 g6 34.Rec1 Rb8 (34...Ke7 35.Rab1-+) 35.Ra5 Ke8 (35...Bd5 36.f3-/+) 36.Rca1 (36.Nc2 Bd5 37.e4 Be4-/+) 36...Rbb6 (36...b4 37.Rc5 Bd5 38.Rb1-+) 37.Rc1 Kd7 38.Nf3 (38.f3 f5-/+) 38...f6-+ 39.Nd4 Kc7 (better is 39...Bd5-+) 40.Ra6= Ra6 (40...Kb7 41.Raa1=) 41.Nb5+= Kb6 42.Nd6 Bd5 (42...Bd3!?+=) 43.Ne8+/- f5 44.Nf6 Bc6 (44...Ra5 45.Rd1 Bb3 46.Rb1+–) 45.Nh7+– Ra7 46.Ng5 Kc7 (46...Bd5 47.Kh2+–) 47.Ne6 (47.Nf7 Kb6 48.Ne5 Be8+–) 47...Kd6 48.Nd4 Bd7 49.Rb1 Ra6 50.Kh2 Ke5 51.Kg3 Ra3 (51...g5 52.Nf3 Kf6 53.Rb8+–) 52.Rb3 (52.Rb7!? Ba4 53.Nf3 Kd5+–) 52...Ra6 (52...Rb3 53.Nb3 Bb5 54.Nd2+–) 53.Rb7 Rd6 54.Nf3 Kf6 55.Ra7 g5 56.Ra2 Be6 57.Rd2 Ra6 58.h4 g4? 59.Ng5 Bc4 60.e4 Ra3 61.Kf4 Bf1 62.e5 Ke7 63.Kf5 g3 64.f3 Ra4 65.Ne4 Bb5 66.h5 1–0. Mitrovic,Zivadin (2185) – Strbac,Mladen (2295), Kac SER, Vojvodina league, 2014.

10.Qc1 Na4 11.Ba3 Ba5 (11...Qe7 12.d4 c5 13.Bb4 cb4 14.a3 Rac8 15.ab4 Qb4 16.Ne5 a6) 12.Nd4 (12.c4 dc4 (12...c5 13.Bd1 dc4 14.Qc4 b5 15.Qh4 b4 16.Qc4 Rb8) 13.Qc4 b5+= 14.Qc2 b4 15.Bc1 c5 16.e4 Bc7; 12.Nbd2 Nc3 13.Bd1 b5 14.Nb3 Bb6 15.Nc5 a5 16.Nd7 Qd7) 12...Bb6 (12...c5 13.Nb3 Bc7 14.Nc5 Nc5 15.Bc5 Bh2 16.Kh2 Qc7) 13.Bf3 c5 14.Ne2 Bc7 (14...d4 15.Bb7 Rb8 16.Bf3 Bc7) 15.Nbc3 Ng4 (15...Nc3 16.Nc3 d4+= (16...Qe7 17.d4+=); 15...Be5 16.Na4 Ba1) 16.Bg4+= (16.Nd5?? Bh2 17.Kh1 Qh4 18.Bg4 Bg4-+ (18...Qg4?! 19.Kh2 Qh5 20.Kg1 Qd5 21.e4+=); 16.Bd5 Bh2 17.Kh1 Qh4 18.g3 Bg3 19.Kg2 Ne3 20.fe3 Qh3 21.Kg1 Qh2; 16.g3 Nc3) 16...Nc3 17.Bf3 Ne2 (17...Qh4 18.Ng3 Bg4 19.Qe1+=) 18.Be2+= Rc8 19.Bf3 Be6 20.g3 b6 21.c3 (21.Bb2 b5+=) 21...Qd7 22.Qd1 Bf5 23.Re1 Rcd8 24.d4 c4 25.Bg2 Bd3 26.Bc1 b5 (26...a6 27.Ba3-/+) 27.a4+= ba4 28.Ra4 a5 29.Ba3 (29.Ra2 Rb8+=) 29...Rb8 (29...Qf5 30.Qd2-/+) 30.Bc5?? (better is 30.Bc1-/+) 30…Rb1-+ (30...Rb1 31.Qb1 Bb1-+ (31...Qa4? 32.Qb7+–)) 0–1. Vidoniak,Roman (2415) – Tiviakov,Sergei (2630), GMA, Gausdal NOR, 2005.

10.Nc3 c5 11.a3 Ba5 12.Rb1 Qe7 13.d4 c4 14.Ne5 Na4 15.Na4 Ba4 16.Bf3 Rac8 17.Qe2 b5 18.h3 Ne4 19.Rfd1 f6 20.Ng4 Rcd8 21.Ra1 Ng5 22.Nh2 Nf3 23.Nf3 Qe4 24.Rac1 c3 25.Ba1 Qe7 26.Rb1 Qa3 27.Rb5 Bb5 28.Qb5 Bb4 29.Ne1 a5 30.Qd3 Rc8 31.g3 Qa4 32.Ng2 Qd7 33.Nf4 Rc4 34.Kg2 Qc6 35.Qf5 Rd8 36.Rb1 Qd7 37.Qd3 Rdc8 38.Ne2 g6 39.Nc1 Qe8 40.Na2 Qe4 41.Qe4 de4 42.f3 f5 43.g4 Kf7 44.g5 Ke6 45.Kf2 ef3 46.Kf3 Bd6 47.h4 Ra4 48.Nc3 Ra1! 49.Ra1 Rc3 50.Ra5 f4 0–1. Szabo,Almos (2300) – Tudor,Vasile (2385), 3rd Romanian Internet Championship, 2005.

10.Nbd2 Na4 11.Rb1 Nb2 12.Rb2 a5 13.c4 b6 14.d4 Ba3 15.Rb1 Bf5 16.Rb3 Bd6 17.Nb1 Qe7 18.cd5 Nd5 19.Bb5 Bd7 20.Bd7 Qd7 21.Re1 a4 22.Rb2 b5 23.e4 Nb6 24.Nbd2 c5 25.e5 c4 26.ed6 c3 27.Rb1 cd2 28.Re8 Re8 29.Qd2 Nc4 30.Qb4 Nd6 31.Rc1 Nc4 32.Nd2 Qd4 33.Nc4 Re2 34.Kh1 Qf2 35.Rg1+/- h5 36.Nd6 Rb2 37.Qe4 Ra2 38.Qe8 Kh7 39.Nf7 Re2 40.Ng5 Kh6 41.Nf7 Kh7 42.Ng5 Kh6 43.Nf7 ½–½. Sieber,Martin (2030) – Bolacky,Jiri (2255), Karvina op, 2007.

8.Bb2 c5 9.c4 (9.Nc3 Nc6 10.Re1 Be6 11.Bb5 a6 12.Bc6 bc6 13.Qe2+=; 9.Ba3 b6 10.d4 Nc6 11.c4 Bf5 12.cd5 Nd5 13.Bc4+=; 9.Re1 Bf5 10.Nc3 Nc6 11.Bb5 Bd6 12.Rb1 Qc7 13.d3+=; 9.Na3 Nc6 10.c4 d4 11.Qb3 Bf5 12.Rae1 Na5 13.Qa4-+; 9.d4 c4 10.a3 Bd6 11.a4 Nc6 12.Ba3 Ba3 13.Ra3+=; 9.a3 a6 10.Nc3 Bd6 11.a4 Nc6 12.Re1 b6 13.Rb1+=) 9...Nc6 10.cd5 (10.d4 Be6 11.Nbd2 dc4 12.Nc4 Ne4 13.dc5=) 10...Nd5 11.a3 (11.Bb5 Qb6 12.Qb3 a6 13.Bc4=) 11...Bf5 (11...Bd6 12.Nc3 Nc3 13.Bc3=) 12.Nc3 Nc3 13.Bc3 ½–½. Althoff,Guntram – Czubak,Michael, Ruhrgebiet, 1998.

8.Nc3 Nbd7 9.Bf4 Nc5 =.

8.c4 Nc6 9.d4 =.

8.c4 Nc6 9.Bg3 Ne4 (9...d4!? 10.Nd4 Nd4 11.ed4 Qd4-/+) 10.cd5+= Ng3 11.hg3 (11.fg3 Qd5 12.Nc3 Qc5=) 11...Qd5 12.Nc3 Qa5 13.Qa4 (13.Qb3 Bb4=) 13...Qa4=+ 14.Na4 Ne5 ½-½. I_AM_N00B (1980) - Lance5500 (2620), lichess.org, 2017.

8.c4 Nbd7 9.Bb2 c5 (9...dc4 10.Qc2+=) 10.cd5 Nd5 11.d4 N7f6 12.Nc3 (12.Qc2 cd4 13.Bd4 Bd6=) 12...Nc3 13.Bc3 Ne4 14.Rc1 Nc3 15.Rc3 Qa5 (15...cd4 16.Nd4 Qf6 17.Qc2+=) 16.Qc2 cd4 17.Nd4 Bd7 18.Bf3 Rac8 19.Rc8 Rc8 (19...Bc8 20.Be4 g6 21.Qc4+=) 20.Qb3 b6 21.Bd5 Be8 22.e4 (22.Rb1 Rc3 23.Qb2 Ba3=) 22...Qc3 (22...Rc3 23.Qd1=) 23.Qd1 (23.Rd1 Qb3 24.ab3 Bc5=) 23...b5 (23...Bc5 24.Nb3=) 24.Nf5 (24.Qg4 Rc7 25.Qf4 Ba3+=) 24...a5 (24...Qf6 25.Qf3=) 25.Qg4+= Rc7 26.Qg5 b4 27.Qd8 Bb5-/+ 28.Nd6? Bf1-+ 29.Qe8?? Qf6 30.e5 Qe7 31.Bf7 Kh8 32.Kf1 Qe8 33.Be8 a4 34.Ba4+= Rc5 35.Nf7+/- Kg8 36.Bb3 g6 37.Ng5 Kh8 38.f4 Be7 39.Ne4 Rc1 40.Kf2 Kg7 41.g4 Bc5 42.Ke2 Bd4 43.Kd3 Ba1 44.Nd6 Kf8 45.e6 Ke7= 46.Ne4 Rf1 47.Ke3 Rh1 48.Nf2 Rh2 49.Nd3 Bc3 50.g5 Bd2 51.Kd4 Rh3 52.Ke4 Re3 53.Kd4 Rd3 54.Kd3 Bf4 55.Kc4 Ke6 ½–½. Heinsohn,Thomas – Laske,Matthias, BL2–N, 1997.

8.c4 Nbd7 9.d4 c6 =.

8.c4 Nbd7 9.Bg3 Nb6 (9...dc4 10.Bc4 Nb6 11.Be2+=) 10.cd5= Nbd5 11.Qb3 (11.d4 Be6=) 11...c6 (11...Bd6 12.Bd6 Qd6 13.d4=) 12.Bc4 (12.Nc3 Qe7=) 12...Qb6 (12...b5 13.Bd5 Nd5 14.Rc1+=) 13.Qc2 Qa5 (13...Bb4 14.a3 Qa5 15.Be5=) 14.a3 (14.d4 Bb4=) 14...Nb6 15.Bd3 (15.Be2 Ne4=) 15...g6 (15...Bg4 16.Be2+=) 16.Nc3 Bg7 (16...Ba3? 17.Qb3+–) 17.Nd4 Nbd5 (17...Ng4 18.Nce2=) 18.Nce2 (18.e4 Nb6=) 18...Nh5 19.Bh4 c5 20.Nb3 (20.Bb5 Re5 21.f4 Ndf4 22.ef4 Re2 23.Ne2 Ba1 24.Qc5 Bb2+=) 20...Qa4+= 21.f4 (21.Qc5 Qb3 22.Bc4+/-) 21...Ba1-/+ 22.Ra1 Bg4 (22...b6 23.Nc3 Nc3 24.Qc3-/+) 23.Nc3 Nc3 24.Qc3 b6 25.Rf1 (25.Bc2!? c4 26.Nd4-/+) 25...Qa3-+ 26.f5 (26.Bb5 Re6-+) 26...Qb4 27.fg6 hg6 28.Qc2? Be6 29.Bg6 Qh4 30.Bh7 Kg7 (30...Kg7 31.Be4 Rad8 32.Qc3 Kg8-+) 0–1. Labahn,Thomas – Breyther,Ruediger (2430), Wichern op 3rd, 1995.

8.d3 c5 9.c4 Nc6=+ 10.Bg3 (10.Bb2 d4 11.e4 Bd6=+) 10...dc4-/+ 11.dc4 Ne4 12.Bd3 (12.Na3 Bg4 13.Qb3 Nd2 14.Qb7 Nf1 15.Kf1 Qf6-/+) 12...Ng3 13.hg3 Bg4 (13...Nb4 14.Bc2 Qd1 15.Bd1-/+) 14.Be2 (14.Nc3!?=+) 14...Qf6-/+ 15.Nbd2 (15.Na3 Qb2 16.Qc2 Qc2 17.Nc2 Rad8-/+) 15...Rad8 16.Qb3?? (better 16.Re1-/+) 16…Rd2!-+ (16...Rd2 17.Nd2 Be2 18.Qb7 Rb8-+) 0-1. NoLuckOnlySkill (2205) - Lance5500 (2615), lichess.org, 2017.

8.d3 c5 9.Nbd2 Nc6 10.Bb2 b5 11.a4 b4=+ 12.c3 a5 (12...bc3 13.Bc3 d4 14.Bb2-/+) 13.Nb3 (13.c4 Be7=) 13...Rb8 (13...Bd6 14.Qc2 Qe7 15.Rfe1-/+) 14.Rc1=+ Qb6 15.cb4 (15.c4!? dc4 16.Rc4=) 15...Qb4-/+ 16.Bf6 gf6 (16...Qb3 17.Bc3-/+) 17.Nfd2 (better 17.Nc5!? Bc5 18.d4=) 17...Be6 18.f4 (18.Qc2 Rec8-/+) 18...f5 (18...d4 19.Nd4 cd4 20.Rc6 de3 21.Ne4-/+) 19.Na1 Bd7 (19...Bg7 20.Rf3-/+) 20.Rf3 Re6 21.Rh3 Rbe8 (21...Rg6 22.Nab3-/+) 22.Kf2 (22.Bh5!? R8e7 23.Rg3 Bg7 24.Nf1=+) 22...Bh6 (22...Qb8 23.Bh5 Nb4 24.Rg3 Rg6 25.Bg6 Nd3 26.Kg1 hg6 27.Rb1-+) 23.Rb1 Qc3 24.Rb3? (24.Nab3 Bf4 25.ef4 Re2 26.Qe2 Re2 27.Ke2-+) 24...Qf6-+ 25.d4? (better 25.Rb7 Bc8 26.Rb1-+) 25...cd4 26.g4 (26.Rg3 Kh8 27.Nc2-+) 26...de3 27.Kf1 (27.Rbe3 Re3 28.Re3 Re3 29.g5-+) 27...fg4 28.Bg4 Qf4 29.Kg2 Rg6 (29...Rg6 30.Rhe3 Re3 31.Re3 Bg4 32.Re8 Kg7 33.Kh1 Bd1 34.Rg8 Kg8 35.h3 Qd2 36.Nc2 Bf3) 0-1. PlayingBlindfold3 (2100) - Lance5500 (2510), lichess.org, 2021.

8.d3 c5 9.Nbd2 Nc6 10.Bb2 b5 11.c3 a5 12.a4 b4 13.h3 g6 (13...bc3 14.Bc3 d4 15.ed4 cd4 16.Bb2-/+) 14.Qc1 (14.c4 Bg7=+) 14...Bb7 (14...Bf5 15.Re1=+) 15.Re1 Bg7 16.Nb3 (16.c4 dc4 17.Qc4 Nd7=+) 16...Bf8 (16...Nd7 17.cb4 Bb2 18.Qb2 ab4 19.Qc2=+) 17.c4 Rc8 (17...dc4 18.Qc4 Nd7 19.Qf4=) 18.cd5 (18.Bf6 Qf6 19.cd5 Ne5+=) 18...Nd5 (18...Qd5 19.Nc5 Ne5 20.d4=) 19.Qc4 (19.Nc5 Bc5 20.Qc5 Ba6+=) 19...Nb6= 20.Qg4 (20.Qb5 Na7 21.Qa5 Nc6=) 20...Nd7 (20...Ba6!?-/+) 21.Qg3 Qc7 22.Qh4 Qd8 23.Qf4 Qc7 24.Qh4 ½-½. NoLuckOnlySkill (2190) - Lance5500 (2615), lichess.org, 2017.

8.d3 c5 9.Nbd2 Nc6 10.Bb2 b5 11.c4 Rb8 12.Bf6 gf6 (worse 12...Qf6 13.cd5 Nb4 14.e4+/-) 13.cd5 Qd5=.

8.d4 c5 9.c3 (9.Bf6!? Qf6 10.Nc3=) 9...Nc6=+ 10.Na3 (better 10.Nbd2=+) 10...cd4-+ 11.cd4?? (better 11.Bf6 gf6 12.Nc2 dc3 13.Qd3-/+) 11…Ba3 0-1. gbaquer - Lance5500 (2645), lichess.org, 2020.

8.d4 Ne4 9.c4 f6 10.Bg3=.

8.a3 Bd6 9.Bd6 Qd6 =.

8.Bb2 Bd6 9.d3 c5 10.Nbd2 b5 11.h3 (11.c4 dc4 12.dc4 b4=) 11...Bh5 12.a4 b4 13.e4 (13.c4!?=+) 13...de4-/+ 14.Bf6 Qf6 (14...ef3 15.Bf3 Qf6 16.Bh5=+) 15.Ne4=+ Qe7 16.Nd6 Qd6 17.Re1 Nc6 18.Ng5 (18.Rb1 Rad8=+) 18...Be2 19.Re2 Nd4 20.Re4 (20.Re8 Re8 21.Ne4 Qe5-/+) 20...h6 (20...Qg6 21.Re8 Re8 22.Nf3-/+) 21.Re8=+ Re8 22.Ne4 Qe5 23.Rc1 (23.Rb1 f5 24.Ng3 f4-/+) 23...f5 24.Ng3 f4 25.Ne4 f3 26.gf3 Qf4 27.Kg2 Nf3! 0-1. foytik (2385) - dfsal (2515), Rated Classical game, lichess.org, 2016.

8.Bb2 Bd6 9.d4 Nbd7 10.Nbd2 c6 11.c4 Ne4 12.a4 Bb4 (12...Nd2 13.Nd2 Qh4 14.g3 Be2 15.Qe2+=) 13.cd5 (13.Ne4 de4 14.Ne1 Be2=) 13...cd5 14.Ne4 de4 (worse is 14...Re4 15.h3 Bh5 16.Qb3+/-) 15.Ne5 Be2 16.Qe2 Bd6 17.f4 a6 18.Qc4 Re7 ½–½. Ponyi,Attila – Hardicsay,Peter (2355), Salgotarjan, 1977.

8.c3 Be7 =.

8.c3 Bf8 9.Bf6 Qf6 10.Qb3 Nc6 11.d4 Qd6 12.Nbd2 Na5 13.Qa4 b6 14.Qc2 g6 15.h3 Bf5 16.Bd3 Bd3 17.Qd3 c5 18.Rac1 c4 19.Qb1 f5 20.Ne5 Nc6 21.f4 Ne5 22.de5 The passed pawn on e5 quickly leads to threats 22...Qc5 23.Rce1 Qa5 24.Qc2 b5 25.Nf3 b4 26.g4 (26.Nd4 Rac8+=) 26...fg4 27.hg4 Qb6 (27...bc3!? 28.f5 Rab8 29.fg6 h6+=) 28.cb4= Bb4 29.Re2 Bc5 30.Qc3 Re7 31.Rd1 Rf8 32.Kg2 Qe6 33.Kg3 h5 34.Nh2 g5-/+ 35.Qd2 Be3!-+ 36.Qd5 Bf4 37.Kh3 Bh2 38.Kh2 hg4 39.Kg3 Rf3 40.Kg2 Qd5 41.Rd5 Kf7 42.Rc5 c3 43.Rc6 Kg7 44.Rc4 Rd3 45.Rg4 Rd2 46.Rd2-/+ cd2 47.Rd4 Re5 48.Kf3 Kf6 49.Rd2 Ra5 50.Kg4 Ra4 51.Kg3 Kf5 52.Re2 Ra3 53.Kg2 Kf4 54.Kf2 g4 55.Kg2 a5 56.Kf2 a4 57.Kg2 Kg5 58.Rc2 Kh4 59.Re2 Rg3 60.Kh2 Rf3 61.Kg2 a3 (61...a3 62.Rc2 Rd3-+) 0–1. Bulcourf,Carlos (2265) – Villanueva,Guillermo, Buenos Aires CA–ch, 2000.

8.Bf6 Qf6 9.c3 Bd6 10.Qa4 Re4 11.Qb5= Nc6 12.d3 Re6 13.Qd5 Rd8 14.Qc4?? Ne5-+ 15.Ne5 Qe5 (15...Qe5 16.g3 Be2-+) 0–1. Kummer – Wittje, Vierlaenderkampf Gladenbach, 2000.

8.Bf6 Qf6 9.Nc3 Bc3 (9...Bf3 10.Bf3 Bc3 11.dc3 c6 12.c4 dc4 13.Rb1 b5 14.Rb5 cb5+=; 9...c6 10.Rb1 Bc3 11.dc3 Bf3 12.Bf3 b5 13.c4 bc4 14.e4 d4+=) 10.dc3 Qc3 (10...Bf3!? 11.Bf3 c6+= 12.c4 dc4 13.Rb1 b6 14.Qd4 Qd4=) 11.Qd5= c6 (11...Nc6 12.Qb3 Qb3 13.ab3 a6 14.h3 Bf5=) 12.Qb3 Qb3 13.ab3 Nd7 14.Rfd1 Nf6 (14...Ne5 15.Rd2 Bf3 16.gf3=) 15.h3+= Bh5 16.g4 Bg6 17.Bd3 a6 18.Bg6 hg6 (18...fg6 19.Ra4+=) 19.Kg2 (19.g5 Ne4+=) 19...Red8 20.Ne5 Rd5 21.Rd5 Nd5 (21...cd5 22.Ra5+=) 22.Nd7 Nf6 (22...Nc3 23.Nc5 Ra7 24.Na4 Na4 25.Ra4+=) 23.Nc5+/- Rb8 24.e4 Kf8?? (better is 24...g5+/-) 25.e5+– Nd5 (25...Ke7 26.ef6 gf6+–) 26.Nd7 (26.Nd7 Ke7 27.Nb8+–) 1–0. Wight,David – Galayko,Konstantyn, 2006.

9.c4 Nc6 10.a3 Ba5 11.cd5 Nd5 12.Qa4 Qd7 13.Nc3 Bc3+= 14.dc3 Nd4 15.Qd1 Ne2 16.Qe2 Nf4 (16...Qf5 17.Rfc1-/+) 17.Qc2 (better is 17.Qd1 Nd3 18.Rb1-+) 17...Bf3-+ 18.gf3 Nh3 (better is 18...Qh3!? 19.ef4 Re6-+) 19.Kh1-/+ Qc6 (19...Ng5 20.Qe2 Qh3-+) 20.Qf5= Qe6 (20...Qh6 21.Qc5 Qh4 22.Qd4 Nf2 23.Kg1 Qg5 24.Kf2+=) 21.Qe6 (worse is 21.Qc5 Rad8 22.e4 Rd3+=) 21...Re6 (worse is 21...fe6 22.f4+/-) 22.f4 g5 23.Kg2 g4 24.Rad1 Rb6 25.Rd2 c4 26.Rc1 (26.Kg3 h5=) 26...Rc8 27.Kg3 h5 28.Rcc2 Rc5 29.Rd4 Ng1+= 30.a4 h4-/+ 31.Kg2 Nf3 32.Rd8 Kh7 33.Ba3?? Ra5 34.Rc1 Ra4 35.Bb4 a5 36.Ra8 Rb5 37.Rd1? Ra2-+ 38.h3 g3 39.Kf3 Rf2 40.Kg4 ab4 41.cb4 g2 42.Rg1 Rb4 43.Kh4 Rbb2 44.Kg3 c3 45.Rb8 Rf1 46.Rg2 Rg2 47.Kg2 c2 (47...c2 48.Kf1 c1Q 49.Kf2 Qd2 50.Kf3 Qh2-+) 0–1. Barki,Nelson – Pereira do Couto,Januario, Emiliani mem, 1982.

9.c4 Nc6 10.cd5 Nd5 11.Qb3 Nf4 12.Bc4 Ne6 13.Ne5 Na5 14.Qc2 Nc4 15.Qc4 Bh5 16.Nc3 Qd2 17.Rab1 b5 18.Nb5? (better is 18.Qb3 a6 19.g4-/+) 18...Be2-+ 19.Qe4 Bb5 20.Rfd1 Qe2 21.Qb7 f6 22.Qf7 Kh8 23.Nd7 (23.a3 Ba5 24.Nf3 Rad8-+) 23...Ng5 24.Qd5 Rad8 25.Qb7 Ne4 26.Rf1 (26.a3 Bd7 27.Bf6 Nf6 28.Qa7-+) 26…Rd7 (26...Rd7 27.Qd7 Bd7-+) 0–1. Graf,Michael (1750) – Dittmar,Peter (2305), Staufer op, 1999.

9.c4 Nc6 10.cd5 Nd5 11.d4 Bf3 12.Bf3= White gets the initiative 12...c4 (12...cd4 13.Bd4 (13.Qb3 Nde7 14.ed4 Bd6 15.d5 Na5 16.Qd3 Ng6=) 13...Nf6 14.Bc6 bc6 15.Qf3= Ne4 16.Rd1 Qh4=) 13.Qc2 b5 (13...Nb6!?= 14.Rd1 Rc8 15.d5 Ne5 16.Be4 Qh4=) 14.a4+/- Nce7 (14...ba4!? 15.Qc4 Nce7+/- 16.e4 Rc8+/-) 15.ab5+– Qb6 (15...c3 16.Ba3 (16.Nc3?! Rc8=) 16...a5 17.Rc1+/-; 15...Rc8 16.e4 c3+–) 16.Qc4 Rac8 17.Qb3 (17.Bd5?! Rc4 18.Bc4 Rc8+–) 17...Qb5 18.Ra7 Rc6?? (18...Rb8+–) 19.Na3 Qb8 20.Bd5 (20.Bd5 Nd5 21.Qd5 Qa7 22.Qc6+–) 1–0. Wolf,M – Hobusch,Werner, corr DDR–ch11 sf09, 1981.

9.c4 Qe7 10.cd5 (better is 10.a3!? Ba5 11.Qa4+/-) 10...Nd5 11.d4 Nc6 12.Ne5 (12.a3!? Ba5 13.dc5 Qc5 14.Qb3=) 12...Be2+= 13.Qe2 cd4 14.Nc6 bc6 15.Bd4 Qh4 16.Qf3 Re6 17.h3 Rae8 (17...a6!?+=) 18.Ba7+= Rf6 19.Qd1 Rg6 20.Qf3 Re4 21.Bb8 Ree6 22.Bg3 Qc4 23.a4 Ne3 (better is 23...h6!?+=) 24.fe3+/- Re3 25.Qf4 (25.Qe3 Bc5 26.Qc5 Qc5 27.Bf2 Rg2 28.Kg2 Qd5 29.Kg1 Qg5 30.Kh1 Qd5 31.Kg1 Qg5 32.Bg3 Qg3 33.Kh1 Qh3 34.Kg1 Qg3 35.Kh1 Qh3 36.Kg1 Qg3 37.Kh1 Qh3=) 25...Qc5 26.Bf2 Qd5 27.Qb8 Bf8+/- 28.Qh2?? Bd6-+ 29.Qh1 Reg3! 30.Re1 Rg2 31.Kf1 Rg1 (31...Qd3 32.Re2 Rf2 33.Kf2 Qg3 34.Kf1 Rf6 35.Qf3 Rf3 36.Rf2 Qf2#) 1–0. Djurisic,Dusan (1880) – Petrovic,Zoran Z (2110), Obrenovac SER, 2012.

9.h3 Bh5 10.Nh2 Be2+= 11.Qe2 Nc6 12.Ng4 d4 13.c3 Ba5 14.cd4 cd4 15.Na3 (15.Qf3 Ne4+=) 15...Rc8 (15...d3 16.Qd1 Ne4 17.Nc4-/+) 16.Nc4+= Bc7 17.d3 (17.Rfc1!?+=) 17...Nd5-/+ 18.e4 f5 19.Qd1 fg4 Black creates threats along the open e–file (19...fe4!? 20.Re1 h5-+) 20.ed5-/+ gh3 (better is 20...Qd5 21.Qg4 h5+=) 21.gh3?? (21.dc6 hg2 22.Re1-/+ (22.Kg2?? Qg5 23.Kh3 Re6 24.Qh5 Qh5 25.Kg2 Rg6)) 21...Qd5-+ 22.f4 b5 23.Nd2 Re3 24.Qg4 (24.Ne4 Qf5 (24...Rh3? 25.Qg4 Rf8 26.Qh3+–) 25.Qg4 Qg4 26.hg4 Rd3-+) 24...Rf8 25.Rf3 (25.Rac1 Rd3 26.Nb3 Bb6-+) 25...Rf3 (25...Re6!? 26.f5 Ne5 27.fe6 Ng4 28.e7 Rf3 29.e8Q Rf8 30.Qf8 Kf8 31.hg4-+) 26.Qf3 Qf3 (26...Qd7 27.Ne4-+) 27.Nf3 Bf4 28.Kg2 Be3 29.Rb1 a6 30.Ba3 Rf6 31.Bc5 Rg6 32.Kh2 Bf4 33.Kh1 Rg3 34.Rf1 Rh3 35.Kg2 Rg3 36.Kh1 g5 37.a4 ba4 38.Rf2 Be3 39.Rf1 Kg7 40.Ne1 Kg6 41.Nc2 Bf4 (41...Bf4 42.Nd4 Nd4 43.Bd4 Rd3-+) 0–1. Novikov,Konstantin Ivan (2215) – Leonidov,Vitaly F (2410), RUS–ch Seniors, 2004.

9.Nc3 Qe7 =.

9.c4 Nbd7 10.Qb3 (10.cd5 Nd5 11.Qc2 Qa5=) 10...Qb6 11.Nc3 Nc5 12.Qc2 dc4 (12...Bf3 13.gf3 d4+=) 13.Na4? (better is 13.Bc4!? Bf3 14.gf3=) 13...Na4-/+ 14.Bf6 Qa5 15.Bh4 (15.Ng5 Bf5 16.Qc4 Bg6+= (16...gf6?? 17.Qf7 Kh8 18.Qf6 Kg8 19.Bc4 Qd5 20.Bd5 cd5 21.Qf5+–)) 15...Nb6 (15...b5 16.Ng5 Be2 17.Qh7 Kf8 18.Qh8 Ke7 19.Qg7-+) 16.Ng5 (16.Bc4!? Nc4 17.Qc4 Bf3 18.gf3 Bd2 19.Rab1-/+) 16...Bf5 17.e4?? (better is 17.d3-+) 17...h6 18.Nf7 (18.Nf3 Re4 19.a3 Bd2 20.Nd2 Rh4 21.Qc1-+) 18...Re4 19.Nh6 (19.a3 Bf8 20.Bd8 Re2 21.Bb6 Qd5 22.Nh6 gh6-+) 19...gh6 20.Bf6 (20.Bc4 Nc4 21.Bf6 Nd2-+) 20...Re2 (20...Re2 21.Qd1 Rae8-+) 0–1. Nikolic,Jovane (1765) – Pires,M V Tor (2230), Rio Claro BRA, Open, 2014.

9.d3 Nbd7 10.Nbd2 Nf8 11.h3 Be6 12.Rb1 Ba5 13.Nd4 Bd7 14.c4 Bc7 (14...Qe7 15.Bf3=) 15.N4f3 Ng6 (better 15...b6!?=) 16.Bf6+/- Qf6 17.cd5 (17.Rb7 Qd8 18.Qa4 c5+/-) 17...b6 18.dc6 (18.Rc1 Qd6 19.dc6 Bc6+/-) 18...Bc6+= 19.Rc1 Rac8 20.Nd4 Bd7 21.Bf3 (21.Ne4 Qe7+/-) 21...Ne5? (21...Qd6 22.g3 Bh3 23.Nb5+=) 22.Be2 (22.Bb7 Qg6 23.Bc8 Rc8+/-) 22...Bb8 (22...Qg6!?=) 23.Ne4 Qg6 (23...Qe7+=) 24.Ng3 (24.Rc8 Rc8 25.Bh5 Qh6+/-) 24...Qf6 (24...Rc1!? 25.Qc1 Nd3=) 25.Rc8+= Rc8 26.Qb3 g6 (26...Nc6 27.Nc6 Bc6 28.d4+=) 27.Ne4 Qe7 28.Nc3 (28.Rd1 Kg7+/-) 28...Qh4 (28...Nc6 29.Nc6 Rc6 30.Ne4+=) 29.f4+/- Qg3? (better 29...Nc6 30.Nf3 Qe7+/-) 30.Nf3?? (better 30.fe5 Qe3 31.Kh1+-) 30...Bh3-+ 31.Rf2 Ng4?? (better 31...Bg2 32.Rg2 Nf3 33.Bf3 Qe1 34.Kh2 Rc3-+ (34...Qc3?! 35.Qc3 Rc3 36.Rd2-/+)) 32.Ne4+/- Rc1 33.Bd1?? (better 33.Bf1 Rf1 34.Kf1 Bg2 35.Ke1+-) 33...Rd1!-/+ 34.Qd1 Nf2 35.Ng3 Nd1 36.gh3 Ne3 37.Ne2 Nd5 38.Nfd4 (38.f5 Nb4 39.fg6 hg6-+) 38...Nf4 (38...Bf4 39.Nb5-+) 39.Nf4 Bf4 40.Nc6 Be3 (40...a6 41.Nb4-+) 41.Kg2 a5 42.Kf3 Bc5 43.d4 Bd6 44.a4 (44.Ke4 f5 45.Kd5 Bc7-+) 44...f5 45.Nd8 (45.Na7 Kf7-+) 45...Kg7 46.Nb7 Bc7 (46...Bb4 47.Nd8-+) 47.d5 Kf7 (better 47...b5 48.ab5 a4-+) 48.d6=+ Bd6 (48...Bb8!? 49.d7 Bc7-/+) 49.Nd6= Ke6 50.Nc4 g5 (50...Kd5!? 51.Nb6 Kc5 52.Nd7 Kb4=) 51.Nb6+/- h5? (better 51...Kd6+/-) 52.Nc4+- g4 53.hg4 (53.Kg3 gh3 54.Na5 f4 55.Kh3 Kd5+-) 53...fg4 (53...hg4 54.Kf4+-) 54.Kg3 Kd5 55.Na5 Kc5 56.Nb3 Kb4 57.a5 Kb5 58.Kh4 (better 58.Kf4+-) 58...Ka6= 59.Kg3 Kb5 60.Kf4 Ka6 61.Ke4 Kb5 (better 61...h4 62.Kf4 h3=) 62.Kd5?? (better 62.Ke3!?+/-) 62...Ka6 (62...h4 63.Nc1=+) 63.Kc5 (63.Kd4!?=) 63...g3=+ 64.Kb4?? (better 64.Nd4 h4 65.Ne2 Ka5 66.Kd4=) 64...g2-+ 65.Nc5 Ka7 66.Ne6 g1Q 67.Nc5 Qe1 (better 67...h4 68.Na4 Qe1 69.Kc4-+) 68.Kb5 Qa5 (better 68...h4 69.Nb3 Qc3-+) 69.Ka5-/+ h4 70.Kb5 (70.Ne4!?=) 70...h3=+ 71.Nd7?? (better 71.Ne4=+) 71...h2-+ 72.Nb6 h1Q 73.Nc8 Kb7 74.Nb6 (74.Nd6 Kc7 75.Nc4-+) 74...Kb8 (74...Qc6 75.Kb4 Kb6 76.Kb3 Kc5 77.Kc2 Kd4 78.Kb3 Qb6 79.Kc2 Kc4 80.Kd2 Qf2 81.Kd1 Kd3 82.Kc1 Qc2) 75.Nd7 ½-½. babak1234 (2290) - AyMisho (2420), UnityChessClub Arena, 2020.

9.Ne5 Be2+= 10.Qe2 Nbd7 (10...Qe7!?+=) 11.Nd7+= Nd7 (11...Qd7 12.Bf6 gf6+=) 12.f4 (better is 12.Bg7!? Bd6 13.Bc3+=) 12...Nf6 (12...Qh4 13.a3 Bc5 14.Qf2+=) 13.Rf3 (13.Qd3 Ne4+=) 13...d4 (13...Ne4 14.d3 Nf6 15.Bd4+=) 14.c3 (14.a3 Ba5+=) 14...d3-/+ 15.Qe1 (15.Qd1 Bd6-/+) 15...Bf8 (15...Bc5 16.c4-/+) 16.c4 Re4 17.Qc1 b5 (17...Bc5!?-/+) 18.cb5= cb5 19.a3 (19.Bf6 Qf6 20.Nc3 Rc4-/+) 19...a5 (19...Rc8 20.Nc3-/+) 20.Qc6 (20.Bf6 Qf6 (worse is 20...gf6 21.Qc6 Rc4 22.Qb5+/-) 21.Nc3 Rc4=) 20...Re6 (20...Qd5!? 21.Qd5 Nd5-/+) 21.Qb5= Rb6 22.Bf6 Qf6 23.Qe5 Qe5 24.fe5 Re8 25.Rf4 Rb2 26.Rd4 Reb8 27.Nc3 Rd2 28.Ne4 Re2 29.Rd3 Rbb2 30.g3 Rg2 31.Kf1 Rh2 32.Kg1 a4 33.Rad1 Rbg2-/+ 34.Kf1 Ra2 35.Kg1 g5 36.Nd2 Rh3-/+ 37.Ne4 g4 38.R1d2 Rd2 39.Rd2 Ba3 40.Kg2 h5 41.Rd8 Kg7= 42.Rd7 Kg6 43.Rd5? Kf5?? 44.Nd6 Ke6-/+ 45.Ra5 h4 (45...h4 46.gh4 Bd6 (46...Re3?! 47.Ra4 Re5 48.Nf7 Kf7 49.Ra3=) 47.ed6 Kd6 48.Ra6 Ke5 49.Ra5 Ke6 50.Ra4 f5-/+; 45...Bd6 46.ed6 Kd6 47.Ra4-/+) 0–1. Krafzik,Joachim – Kraft,Hans, Bayern–ch Seniors, 2003.

9.h3 Bf3 10.Bf3 Nbd7 11.a4 Ba5 12.d3 Qe7 13.Nd2 Bc7 14.Be2 Qd6 15.Nf3 g5 (15...b6 16.c4=) 16.g3 g4 17.Nh4 gh3 18.Nf5 Qf8 19.Bh5 Be5 20.Ba3 c5 21.d4 Bd6 22.Qf3 (22.Bg4 h6+=) 22...Re6 23.g4 (23.Bg4!?=) 23...h2+= 24.Kh1 Ne4 25.Nd6 Rd6 (worse is 25...Nd6 26.Qd5 (26.Kh2?! Ne4=; worse is 26.Bc5 Nc5 27.dc5 Ne4+=) 26...cd4 27.Qd4+/-) 26.g5 (26.dc5 Ndc5 27.Rad1+= (worse is 27.Kh2 Nd2 28.Qf7 Qf7 29.Bf7 Kf7 30.Bc5 Nf1 31.Rf1 Ra6-/+)) 26...Nd2-/+ (worse is 26...Ng5 27.Qg3 Qh6 28.Bf3+=) 27.Qf4 Nf1 28.Rf1 Rc6 29.Qf5 Qe7 30.Qd5 Nb6 31.Qf5 Qe6 32.Qe6= Re6 33.a5 Na4 34.Rb1 b6 35.dc5 bc5 36.Rb7+= Rf8 37.Ra7 h6 38.Kh2 hg5 39.Bf3 Rd8 40.Kg3 Rd2= 41.a6 Rd8 42.Be2+/- Rf6 43.Rc7+– Nc3 44.Bd3 1–0. Rout,Ian Clive (1900) – Tran,Christopher (1650), Belconnen op, 2005.

9.Bc3 Bd6 +=.

9.Nc3 c6 +=.

9.c4 dc4 10.Bc4 Ne5 (10...Nb6 11.Be2+=) 11.Be2 (11.Be5!? Re5 12.Bf7 Kh8 13.h3 (worse is 13.Ne5 Bd1 14.Rd1 Qe7-/+) 13...Bf3 14.Qf3+/-) 11...Bd6+= 12.Ne5 Be2 (12...Re5? 13.Bg4 Rb5 14.Bf6 Qf6 15.Nc3+–) 13.Qe2 Be5 14.Be5 Re5 15.Nc3 c5 16.Rab1 Qd7 (16...b6 17.Rfd1=) 17.Rfd1 (17.Qb5 Qd2 18.Qb3 b5 19.Nb5 Rb8=) 17...Rc8 18.Qb5 b6 (18...Re7 19.d4 cd4 20.Rd4=) 19.Qd7 Nd7 20.Nb5 (20.d4 cd4 21.ed4 Re7+=) 20...a6 21.d4 cd4 22.Nd4 (22.Rd4?? Rb5 23.Rbd1 Nf8-+) 22...Rec5 23.g3 (23.Kf1 Kf8=) 23...R8c7 24.Nb3 (24.h3 Kf8=) 24...Rc2 25.Rbc1 Rc1 26.Rc1 Rc1 27.Nc1 Kf8 28.Nd3 Ke7 29.Kf1 Kd6 30.e4 Nc5+= 31.e5 Kd5 32.Nc5? Kc5 33.Ke2 Kd4 34.f4 b5 35.h4 h5 36.Kd2 a5 37.Kc2 g6 38.Kd2 b4 (38...b4 39.Kc2 Ke4-+) 0–1. Wartig,Wolfgang – Vermeulen,Frans, corr, 1994.

9.d3 c5 10.Nbd2 a6 11.Nb3 Qc7 (11...b5 12.c3 Ba5 13.Na5 Qa5 14.a4=) 12.a3 c4 (12...Ba5 13.Na5 Qa5 14.d4=) 13.ab4+/- cb3 14.c3 Qb6 (14...Ne5!?+=) 15.Qb3+/- Nc5 16.Qa3 Ne6 17.c4 dc4 (17...Nf4 18.Bd1 (18.ef4?! Re2 19.Nd4 Rd2+/-) 18...Ng6 19.Bd4+–) 18.dc4 (18.Bf6 cd3 19.Qd3 gf6+/-) 18...Ne4 (18...Nf4 19.Bd1 (19.ef4?! Re2 20.Nd4 Rd2+=) 19...Ng6 20.c5+–) 19.c5 White gets strong initiative 19...Qc7 20.Qd3 Qc6 21.Qc2 (21.Rfd1 Rad8 22.Qb3 Nd2 23.Rd2 Rd2+–) 21...Bf3 (21...Rad8 22.Qa4 Qa4 23.Ra4+/-) 22.Bf3+– N6g5 23.Be4 (23.Bg4 b6+/-) 23...Qe4+/- 24.Qe4 Ne4 25.Rfd1 Rad8 26.Rd8 Rd8 27.f3 Nd2 28.c6 bc6+= 29.Ra6 (29.Ra6 Nc4 30.Bd4+/-) 1–0. Pommerel,Wim – Leuschner, CiF, 1990.

9.d3 c6 10.Nbd2 Qc7 11.Rb1= Bc5 (11...Bd6 12.c4=) 12.c4 dc4 (12...Rad8 13.cd5 Nd5 14.Qc2=) 13.Nc4 Bf8 (13...b5 14.d4=) 14.Ba1 (14.a4 Rab8=) 14...Nd5 (14...b5 15.Ncd2=) 15.Qc2 a5 (15...b5 16.Ncd2=) 16.Rfc1 (16.d4 Nb4 17.Qb2 b5=) 16...Bh5 (16...Nb4 17.Qd2=) 17.Ncd2 (17.a4 Nb4 18.Qd1 Rab8=) 17...Nb4= 18.Qb2 Bg6 (18...Ne5 19.Qb3 (worse is 19.Ne5 Be2 20.d4 Bd6+=) 19...a4 20.Be5 Qe5 21.Qa3+= (21.Ne5? ab3 22.Bh5 Re5-+)) 19.e4+= Rab8 20.Bf1 (20.Nc4 Bh5+=) 20...f6 (20...b5 21.a3 Na6 22.Nh4=) 21.a3+= Na6 22.Nh4 Bf7 (22...Bh5 23.d4+=) 23.d4 Qd6 (23...b5 24.Qc3 Rb7 25.Qf3+=) 24.a4 (24.Ba6 ba6 25.Qc3 Qf4+=) 24...Nb4= 25.Nf5 Qf4 26.g3 Qc7 27.d5 Ne5 28.Qd4 Red8 29.f4 Nd7 30.d6+/- Qb6 31.Nc4 Qd4 32.Bd4 c5 33.Ba1 b6 34.Rd1 Re8 35.e5+/- g6 36.Ne7+– Kg7 37.ef6 Nf6 38.g4 Be7 39.de7 Nc2 40.Be5 Bc4 41.Bc4 Ne3 42.g5 Nc4 43.gf6 (43.gf6 Kf7 44.Bb8 Kf6 45.Rbc1+–; 43.Bf6?! Kf7 44.Rd3 b5 45.Rb5 Rb5 46.ab5 Nb6+/-) 1–0. Markowski,Tomasz – Pedzich,Dominik, Ch Poland Gdansk, 1994.

9.d3 c6 10.Nbd2 Bd6 11.c4= Qb8 (11...Nb6 12.cd5 Nbd5 13.Nc4=) 12.h3 Bf3 (12...Bf5 13.Rb1 Qc7 14.cd5 Nd5 15.Nc4=) 13.Nf3 dc4 14.dc4 c5 (14...Qc7 15.Qc2=) 15.Qc2 (15.Qd3 Ne5 16.Qf5 Qc7+=) 15...Ne5 (15...Qc7 16.Rfd1=) 16.Ne5 (16.Rfd1 Qc7+=) 16...Be5 (16...Re5? 17.Be5 Be5 18.Rab1+–) 17.Rab1 (17.Bf3 Qc7+=) 17...Qc7= 18.Rfd1 (18.Be5 Re5 19.Bf3 Rb8=) 18...Bb2 19.Qb2 (19.Rb2 Rad8=) 19...b6 20.Bf3 Rad8 21.Qc2 (21.Qb5 Re6=) 21...Rd1 (21...Re7 22.Qf5=) 22.Rd1 Rd8 23.Kf1 (23.Rd8 Qd8 24.a3 Qd7=) 23...Rd1 24.Qd1 Qd7 (24...Qe7 25.Kg1=) 25.Qd7+= Nd7 26.Bd5 Nf6 27.Ke2 Nd5 28.cd5 b5 29.e4 a5 30.d6 Kf8 31.f4 a4 32.Kd2 a3 33.Kc2 b4 ½–½. Kuhlmann,AEJ – Hoegen, 1984.

9.d3 Bd6 10.Nbd2 c6 11.c4 Qc7 12.h3 Bf3 13.Bf3 Ne5 14.cd5 cd5 (14...Nd3? 15.Bf6 gf6 16.Ne4 Re4 17.Be4+– (17.Qd3?! Rb4+/-); 14...Nf3?! 15.Qf3 Nd5 16.e4=) 15.Qb3 ½–½. Chirpii,Alexandru (1875) – Zakharov,AI (2325), TCh–EUR Senior, 2015.

9.d3 Qe7 10.Nbd2 Ba3 11.Rb1 Bb2 12.Rb2 b6 13.Nd4 Be2 14.Qe2 Nc5 15.c4 Qd7 16.N2b3 dc4 17.dc4 Nce4 18.c5 bc5 19.Nb5 Rab8 20.Na3 Red8 21.Rc2 Nd5 22.Nc5 Nc5 23.Rc5 Qa4 24.Nb5 c6 25.Nd4 Nf4 26.Qc2 (worse is 26.ef4 Qd4 27.Rc6 Qf4=) 26...Qa6 27.Qc4 (27.ef4?! Rd4 28.Rc6 Qa5+=; 27.Nc6 Ne2 28.Kh1 Ng3 29.hg3 Qf1 30.Kh2 Rb1-/+) 27...Qc4 28.Rc4 c5 29.Nc6 Ne6 30.Rfc1 Kf8 31.g3 Rdc8 32.Nb8 Rb8 33.Ra4 Rb7 34.Rc3 g5 35.Rca3 h5 36.h3 f5 37.Ra7 Rb1 (37...Re7 38.Re7 Ke7 39.Rc3+–) 38.Kg2 g4 39.Rh7 gh3 40.Kh2 Kg8 41.Rh5 Kf7 (41...Ng7 42.Rh6 Rb7 43.Ra8 Kf7 44.Kh3+–) 42.Rf5 Kg6 43.Re5 Kf6 44.f4 (44.f4 Rb6 45.g4+–) 1–0. Franke,L (2120) – Zart,R (2175), St Pauli Open, 2011.

9.d4 Ne4 10.c3 Bd6 11.Nbd2 Ndf6 (11...Nb6 12.h3 Nd2 13.Nd2 Be2 14.Qe2=+) 12.c4= Bb4 13.Rc1 c6 14.a3 Bd6 15.h3 Bh5 16.Ne4 Ne4 17.Nd2 (17.c5 Bc7=+) 17...Be2=+ 18.Qe2 Qh4 19.Ne4 Re4 (19...Qe4!? 20.cd5 Qd5=) 20.cd5+= cd5 21.Qb5 Rg4 (21...Qd8 22.Qb7 Rb8 23.Qa6+=) 22.Qd5 (better 22.Qb7!? Rf8 23.Qd5 (23.Qa7?? Qh3 24.Qf7 Kf7 25.g3 Rh4 26.Rc7 Bc7 27.gh4 Qh2) 23...Qh3 24.Rfd1+=) 22...Qh3= 23.Qb7?? (23.Rfd1 Rg6 A) 24.Qb7?? Rb8 25.Qc6 Qh2 (25...Rb2?! 26.Qc8 Qc8 27.Rc8 Bf8 28.d5-+) 26.Kf1 Bf8-+; B) 24.Kf1 Qh1 25.Ke2 Qg2 26.Qg2 Rg2 27.e4=) 23…Qh2 0-1. Mely (2300) - Wilsonia (2295), ChessWorld.net, 2016.

9.h3 Bh5 10.d4 (10.Nc3 c6=) 10...Bd6 (10...Ne4 11.a3 Ba5 12.Nbd2+=) 11.Nbd2= c6 12.c4 Ne4 13.cd5 cd5 14.Ne4 Re4 (14...de4 15.Nd2 Be2 16.Qe2=) 15.Nd2 (15.Qb3 Nf6 16.Rac1+= (16.Qb7?? Rb8 17.Qa6 Re6-+)) 15...Be2= 16.Qe2 Re8 17.Qd3 Qe7 18.Rfc1 Nf8 (18...Nb6 19.Rc2=) 19.Rc2 (19.Qb3 Qe6+=) 19...Ng6 20.Nf3 Rad8 (20...Rac8 21.Rac1 Rc2 22.Qc2+=) 21.Rac1 Rf8 (21...h6 22.Qb3+=) 22.Rc3 f5 23.Ba3 (23.Qb5 Kh8+/-) 23...f4 24.Rc7 Rd7 25.Rd7 Qd7 26.Bd6 Qd6 27.Rb1 (27.e4 de4 28.Qe4 Qd7+/-) 27...b6 28.Qb3 (28.e4 de4 29.Qe4 Rd8+=) 28...fe3= 29.fe3 Re8 (29...Rf3 30.gf3 Qg3 31.Kf1 Qf3 32.Ke1=) 30.Re1 Qe6 31.Qa3 Qe7 32.Qe7 Re7 33.g3 Rc7 34.Re2 Ne7 35.Ne5 (35.e4 de4 36.Re4 h6=) 35...Nf5+= 36.g4 Ng3 37.Rb2 Ne4 38.Kf1 Rc1 (38...Kf8 39.Kg2+=) 39.Kg2 h6 40.Nd3 Rc3 41.Nf4 Nf6 42.Kf3 g5 43.Ne2 Rc7 44.Ng3 Kf7 45.Nf5 (45.a4 Ke6=) 45...Kg6 (45...Ke6 46.h4+=) 46.Ng3 Rf7 (46...Rc4 47.Kg2=) 47.Ke2 h5 48.gh5 Nh5 49.Nh1 (49.Nh5 Kh5 50.Rb5 Rd7=) 49...Re7 50.Kd3 Nf6 51.Ng3 (51.Nf2!?=) 51...Rh7-/+ 52.Rh2 Ng4! 53.Rd2 (53.hg4 Rh4) 53...Rh3-+ 54.Nf1 Nf6 55.Ng3?? (better is 55.Rg2-+) 55...Nh5 (better is 55...Rg3 56.Rc2 Ng4-+) 56.Ne2?? (better is 56.Nh5 Rh5 57.Rb2-+) 56...Kf5 (56...Kf5 57.Kc2 Re3-+) 0–1. Petrochenko,Maria – Schekachikhin,Maksim (1935), White Nights– CYSS–2, 2011.

8.Nc3 Nbd7 9.Bg3 Nc5 =.

8.c4 c5 9.0-0 d4+= 10.ed4 Nc6 11.Bg3 (11.Nc3 Nd4 12.Bf6 Qf6 13.Nd4 Qd4+=) 11...Nd4 (11...cd4 12.d3-/+) 12.Nc3 (12.Nd4 cd4 13.d3 Nd7+=) 12...Ne2 13.Ne2 Bg4 14.d4 (14.Nc3 Qd7-/+) 14...Bf3 15.gf3 cd4 16.Nd4 Rc8 17.Nb5 a6 (17...Qb6 18.Rb1 Qc5 19.Bd6 Qg5 20.Bg3-/+) 18.Qd8? (better is 18.Nc7 Re7 19.Qd8 Rd8 20.Rfd1 Rd1 21.Rd1=) 18...Red8-+ (18...Rcd8?! 19.Nc7 Re7 20.Rfd1 Rd1 21.Rd1=) 19.Nc7 Rd7 20.Nd5 Nd5 21.cd5 Rd5 22.a4 g6 23.Rfb1 b5 24.ab5 ab5 25.Ra5 Rcc5 26.Ra8 Kg7 27.Re1 (27.Rb8 Rf5-/+) 27...b4-+ 28.Ree8 (28.Rae8 f6-+) 28...b3 29.Rf8?? (29.Rab8 Rb5 30.Rb5 (30.Rf8?? b2 31.Rg8 Kf6 32.Rb5 Rb5-+) 30...Rb5 31.Be5 f6 32.Bb2-+) 29...b2 30.Rg8 (30.Rfb8 Rb5 31.Rb5 Rb5 32.Be5 Re5-+) 30...Kh6 31.Bf4 (31.Kg2 b1Q 32.Rab8-+) 31...Rg5 32.Bg5 Rg5 0–1. Zilles,P (1815) – Du Pont,D (2075), BEL, 1st Leaque, 2013.

8.c4 c5 9.Nc3 Nbd7 10.Bf4 Nb6 11.cd5 Nbd5 12.Nd5 Nd5 =.

8.c4 c5 9.d4 Be6 10.Bf6 Qf6 = (worse is 10...gf6 11.cd5 Bd5 12.Nc3+/-).

8.c4 c5 9.cd5 Nbd7 10.Bb2 Nd5 11.0-0 1–0. Krivoshapko,Alexander – Skokov,Boris, 2008.

8.c4 Nc6 9.d4 dc4 10.Bc4 Ne5 11.Ne5 =.

8.c4 Bg4 9.Bf6 Qf6 10.Nc3 dc4 11.Bc4 =.

8.c3 Ba5 9.0-0 Nc6 10.d3 Bf5 11.Nbd2 Bc7 12.Re1 b6 13.Qc2 h6 14.e4 de4 15.de4 Be4 16.Ne4 Ne4 17.Bd3 Ng5 18.Re8 Qe8 19.Ng5 hg5 20.Be4 Rd8 21.g3 Rd6 22.Re1 Qd7 23.Bc1 Qd8 24.Bh7 Kf8 25.Be4 g6 26.Qa4 Ne5 27.f4 gf4 28.Bf4 Re6 29.Rd1 Qb8 30.Be5 Re5 31.Bc6 c4 32.Qc2 b5 33.Kg2 Qb6 0–1. Niephaus,Friedel – Scholz,Herbert, Oberjoch Traumopen, 2000.

8.c3 Ba5 9.0-0 Bc7 10.Na3 a6 11.Nc2 Bg4 12.a4 Qd6 13.g3 Nc6 14.Kg2 Rad8 15.Ba3 Ne4 16.Nfd4 Bc8 17.Bf3 Ne5 18.Nb3 Qh6 19.Be4 de4 20.Nc5 Qh3 21.Kh1 Ng4 0–1. Weiss,Peter – Maas,Oliver, Baden, 2001.

8.c3 Ba5 9.0-0 Nbd7 10.c4 b6 11.Nc3 Bc3 12.Bc3 Ba6 13.Qa4 Qc8 14.Rac1 Ne4 15.Ba1 Nd6 16.Qc2 Bc4 17.Bc4 Nc4 18.d4 Qc6 19.dc5 bc5 20.Rfd1 Ndb6 21.Bc3 Rac8 22.Qf5 Qe6 23.Qf4 Na4 24.Ba1 Nab2 25.Ng5 Qf6 26.Rd5 Qf4 27.ef4 f6 28.Nf3 Red8 29.Rd8 Rd8 30.Kf1 Rd1 31.Rd1 Nd1 32.Ke2 Ndb2 33.g4 Kf7 34.Nd2 Ke6 35.f5 Kd5 36.f4 Nd2 37.Kd2 Nc4 38.Kd3 Nd6 39.h3 c4 40.Ke3 a6 41.Bc3 Ne4 42.Bb4 ½–½. Namasivayama – Dunn, 1996.

8.0-0 Nbd7 9.c4 Nb6 10.Qc2 dc4 11.Bc4 Nc4 12.Qc4 Bd6 13.d4 Bg4 14.Nbd2 Ne4 timelimit exceeded 0–1. Knabe,Johan – Ng,Willy, IECG, 2009.

8.0-0 Nbd7 9.c4 dc4 10.Bc4 Nb6 11.Bf7? (better is 11.Be2=) 11...Kf7-+ 12.Qb3 Nbd5 13.Ng5 (13.d3 a5 14.a3 Bd6-+) 13...Kf8 (13...Kg6 14.Nf3 Qe7 15.Na3-+) 14.Bf6 (14.Nc3 Kg8-+) 14...gf6 15.e4 Be6 (better is 15...fg5 16.ed5 Qe7-+) 16.Nh7 (better is 16.ed5!? Bd5 17.Qb4 Qe7 18.Qf4+–) 16...Kg7+/- 17.ed5 Kh7? (better is 17...Bd5 18.Qb4 Qe7+/-) 18.Qd3?? (better is 18.de6 Qd4 19.Nc3+–) 18...Kg7 (better is 18...f5 19.Qh3 Kg6 20.de6 Re6 21.Qg3 Qg5=) 19.f4?? (better is 19.Qg3 Kf7 20.de6 Re6 21.Qh4+/-) 19...Bc5-+ 20.Kh1 Qd5 21.Qg3 Kf7 22.Qh4 (22.Nc3 Qf5 23.Rfb1-+) 22...Rg8 23.Qh7 Rg7 (23...Rg7 24.Qg7 Kg7-+) 0–1. Lohmar,Hermann – Krueger,Georg (1680), Dortmund Germany, Sparkassen Open–B, 2016.

8.0-0 Bf8 9.Re1 Bf5 10.d3 Nbd7 11.Nbd2 Bg6 12.Qb1 Nc5 13.a4 a5 14.Qc1 Qc7 (14...Nfd7 15.d4 Ne4 16.Ba3=) 15.d4 (15.Bf6!? gf6 16.d4+=) 15...Nce4=+ 16.c4 Nd2 17.Nd2 (worse 17.Qd2 Bb4 18.Qc1 Be1 19.Qe1 Be4-/+) 17...dc4 18.Bc4 Ne4 19.Nf3 Nd6 20.Be2 f6 21.Ba3 Ne4 22.Bf8 Rf8 23.Rd1 Rfd8 24.Bd3 Nd6 25.Bg6 hg6 26.Qc5 Ne4 27.Qc4 Qf7 28.Qd3 Nc5 29.Qc2 (29.dc5 Rd3 30.Rd3 Qc4-/+) 29...Ne6 30.Qc4 Nc7 31.Qc2 Nd5 (31...Ne6 32.Rab1 Rd5+/-) 32.Nd2 Rab8 33.Ne4 Nb4 34.Qc3 Nd5 (34...b6+=) 35.Qc2 (35.Qa5!? f5 36.Ng5+-) 35...Nb4+= 36.Qe2 b6 37.Nc3 Re8 38.Rdc1 Rbd8 39.Ne4?? (better 39.Na2 Na2 40.Qa2 Qa2 41.Ra2+=) 39...Re4-+ 40.Qd2 (40.Rd1 f5-+) 40...Ree8 (40...c5!? 41.f3 Re5 42.Qc3 cd4 43.ed4-+) 41.Qc3 Qd5 42.h3 f5 43.Kh2 Qe4 44.Qc4 Qd5 45.Qe2?? (45.Qc3 f4 46.Re1-+) 45...f4! 46.Qg4 (46.ef4 Qe4 Double attack (46...Re2 Pinning; 46...Re2 Deflection; 46...Qe4 Decoy)) 46...fe3 47.fe3 Qe6 (47...Re3 48.Re1 Qd6 49.g3 Re1 50.Re1 Qd4 51.Qe6 Kh7 52.Re2-+) 48.Qg3 (48.Qe6 Re6 49.Ra3 Rde8-+) 48...Qd6 (48...Qe3 49.Qc7 Qd4 50.Rd1-+) 49.Rf1 (49.Ra3 Nd5 50.Qd6 Rd6-+) 49...Qg3 50.Kg3 Rf8 (better 50...Re3 51.Kf2 Re4-+) 51.Kh2 1-0. alessandrocarvalhaes (1935) - Sendnudezplz (2010), lichess.org, 2020.

8.0-0 Bg4 9.d3 Nbd7 10.Nbd2 Qc7 11.Rb1 Bf8 12.h3 Be6 13.Nd4 c5 14.Ne6+= Re6 15.Bf3 Rd8 16.g3 g6 17.c4+= Nb6 18.Qc2 dc4 19.Nc4 Nbd5 20.a3 b5= 21.Nd2 Qd7 22.Ne4+= Ne4? 23.de4+– Nf6 24.e5 Nh5 25.Bg4 Qc6 26.Be6 Qe6 27.g4 Ng7 28.f4 h5 29.f5 gf5 30.gf5 Qh6 31.Rf3 c4 32.Bd4 a6 33.Kh2 1–0. De Visser,Arno – van Kerkhof, Hoogoven, 1999.

8.Nc3 Bg4 =.

8.0-0 a6 9.d4 Bf5 10.Nbd2 b5 =.

8.Nc3 c6 9.0-0 b5 10.a3 Qe7 11.Re1 Ne4 12.Nb1 =+.

8.c4 c5 9.cd5 Nd5=+ 10.0-0 Nc6 11.Nc3 Nc3 12.Bc3 Be6 13.Qb1 Qe7 14.Qb2 f6 15.d4 Rad8 16.Rad1 cd4 17.Nd4= Nd4 18.Bd4 a6 19.a4 ½–½. Bohley,D – Hahn,David, East Lansing, 1982.

8.c4 c6 9.0-0= Bc7 10.d4+= Ne4 11.Nc3 Re6 12.Rc1 Rh6 13.cd5?? Bh2!-+ 14.Kh1 Bg4 15.Bd3 Bf3 16.Qf3 Bg3 17.Kg1 Rh1!! (17...Rh1 18.Kh1 Qh4 19.Kg1 Qh2#) 0–1. Mentz – Huebner, Germany, 1985.

8.0-0 c5 9.c4 Nc6 10.cd5 Nd5 11.a3 Qe7 12.Qc2 Bg4 13.Nc3 Nf6 14.Rfe1 Rad8 15.Rad1 Bf3 16.Bf3 Nd4 17.Qb1 Nf3 18.gf3 c4 19.Nb5 Rd5 20.Nd4 Nd7 21.Kh1 Qh4 22.Rg1 Rh5 (worse is 22...Qf2 23.Rg2 Qh4 24.Nf5+/-) 23.Rg2 g6 24.Nf5 Qh3 25.Ng3 Rd5 26.Qc2 b5 27.a4 a6 28.ab5 ab5 29.Qc3 (29.d4!?+=) 29...Ne5-/+ 30.f4 Rd3 31.Qa5 Ng4 32.Qb5+= Red8 33.Qc4?? Rd2-/+ 34.Rb1?? Rd1 35.Rd1 Rd1 36.Nf1 Nh2! (36...Nh2 37.Rg3 Qh5-+) 0–1. Poschmann,Hans – Ziltener,Werner (1930), Wch Seniors, 1998.

8.0-0 c5 9.d3 Nc6 10.Nbd2 Bg4 11.h3 Bh5 12.Re1 Qd7 13.c4 Rad8 14.cd5 Nd5= 15.Nc4 f6 16.a3 Bf7 17.Qc2 b5 18.Ncd2 Rc8 19.Rab1 a6 20.Ne4 Na5 21.Qd1 Red8 22.Bf1 c4-/+ 23.dc4 Nc4 24.Bc4 bc4 25.Bd4? Bg6-+ 26.Qc2 Re8 27.Nfd2 c3! (27...c3 28.f3 cd2 29.Qd2 Qe6-+; 27...Ba3?! 28.f3 c3 29.Nf1-+) 0–1. uno (1780) – werksma (2115), ICC, 2003.

8.0-0 c5 9.d4 Nbd7 10.c4 Qb6 11.Qc2+= Ne4 12.Rd1 dc4 13.Bc4 cd4 14.Bd4 Bc5 15.Bc5 Ndc5= 16.Nc3 Nc3 17.Qc3 Be6 18.Be6 Ne6 ½–½. Zimmer,Stefan – Pane,Alberto, corr EU–chT1, 1973.

8.0-0 c5 9.Bf6 Qf6 10.d4 (10.Nc3!? Qd8 11.d4=) 10...Nc6=+ 11.Na3? (11.Nc3!? Be6 12.Bb5=+) 11...cd4-/+ 12.Nd4?? (better 12.Nb5 de3 13.Nc7 ef2 14.Rf2-+) 12...Nd4-+ 13.ed4 (13.Nb5 Ne2 14.Qe2 Qe5-+) 13...Ba3 14.Re1 (14.Bf3 Bb2 15.Rb1 Bd4 16.Bd5 Rb8-+) 14...Be6 (14...Bb4 15.Rf1 Re4 16.Qd3 Rd4 17.Qb3-+) 15.Bf1 (15.Rb1 b6-+) 15...Bb2 16.Rb1 Bd4 (16...Bd4 17.Qf3 Qf3 18.gf3 Bc3-+) 0-1. grandmaster1372 - Lance5500 (2620), lichess.org, 2018.

8.c4 c5 9.0-0 Nc6 10.d4 Bg4 (10...cd4 11.Nd4 Bc5 12.cd5 Nd5 13.Nb3=) 11.cd5 Nd5 12.Nc3 Rc8 (12...cd4 13.Nd4 Be2 14.Nce2=) 13.dc5 Nc3 14.Bc3 Bc5 15.Qb3 (15.Qa4 Be6=) 15...Qb6 16.Qb6 Bb6 17.Bb5 Red8 18.Be2 Ne7 19.Bd4 (19.Rac1 h6=) 19...Bf3 (better 19...Bd4 20.ed4 Nd5-/+) 20.Bb6? (better 20.Bf3 Bd4 21.ed4=+) 20...Be2-+ (20...ab6 21.Bf3 Rc7 22.Rab1+=) 21.Bd8 Bf1?? (better 21...Rd8 22.Rfc1 Kf8-+) 22.Be7= Bc4 23.Bb4 Rd8 24.a3 b5 25.f3 f5 26.Kf2 Kf7 27.h3 Ke6 28.Ke1 g5 29.Rd1 Rd1 30.Kd1 h5 31.Bc5 a6 32.Ke1 Kd5 33.Be7 g4 34.hg4 hg4 35.fg4 fg4 36.Kf2 Ke4 37.Bc5 Bd5 38.Kg3 Kf5 39.Kf2 a5 40.Bd6 Ke4 41.Bc5 Kd3 42.Kg3 Kc3 43.Kg4 Bg2 44.Kf4 b4 45.ab4 ab4 46.Bb4 Kb4 47.e4 Kc5 48.e5 Kd5 49.Kf5 Bh3 50.Kf6 Be6 51.Ke7 Ke5 ½-½. grandmaster1372 - Lance5500 (2620), lichess.org, 2019.

8.c4 c5 9.cd5 Nd5 10.Nc3 Nc6 11.0-0 Ndb4 (11...Be6=) 12.Qb3 (12.Qb1 Be6+=) 12...Nd3 (12...Be6 13.Qd1=+) 13.Bd3 (13.Ba3 Rb8=) 13...Qd3 14.Qd5? (better 14.Nd5!? Qb3 15.ab3=) 14...Rd8 (14...Bf5 15.Nh4 Be4 16.Qh5-/+) 15.Qd3 Rd3 16.Rfd1 Bf5 17.Ne1 (17.Ne2 Rad8-/+) 17...Rd7 18.Kf1 (18.Rac1 Rad8 19.Nf3 Be7-/+) 18...Rad8 19.Ke2 Nb4 20.f3 Nc2 (20...Nd3 21.Bc1-+) 21.e4 (better 21.g4 Bg6 22.Rac1 Ne1 23.Ke1-/+) 21...Na1?? (better 21...Nd4 22.Kf2 Be6-/+) 22.ef5+/- Re8 23.Kf2 (better 23.Ne4+/-) 23...Re1=+ 24.Re1 Nc2 25.Re8 (better 25.Rd1!?=+) 25...Rd2-+ 26.Kg3 (better 26.Ne2-+) 26...f6?? (better 26...Nd4 27.Ba3 Nf5 28.Kh3 b6-+) 27.Ne4=+ Rd5 28.Bf6 Kf7 (worse 28...gf6 29.Nf6 Kf7 30.Rf8 Kf8 31.Nd5+=) 29.Rd8 (29.Re5 Ne3 30.Rd5 Nd5=+) 29...Rf5 (29...Rd8 30.Bd8 c4 31.Kf2=+) 30.Bc3 b5 31.Rd7 Ke8 (31...Kg8!?=) 32.Ra7+= b4 (32...Rf7 33.Ra5+=) 33.Bg7+/- Be7 34.Kg4 (34.Bh8 Ne3+/-) 34...Rf7 (34...Ne3 35.Kg3 Nc2 36.f4+=) 35.Be5 (35.Bh6 c4+=) 35...Ne3= 36.Kg3?? (36.Kh3 c4=) 36...Nf5?? (better 36...Bh4 37.Kh4 Ra7-+) 37.Kf2?? (better 37.Kh3 c4 38.Rb7=) 37...h5 (better 37...Bh4 38.g3 Ra7 39.gh4 Ra2 40.Kf1 b3-+) 38.Ra8 (38.g3!?+-) 38...Kd7+/- 39.Ra7 (39.Ra6 c4+/-) 39...Ke6 (39...Ke8 40.g3 Bd8+-) 40.Bf4?? (40.Bb8 c4=) 40...h4 (better 40...Bh4 41.Kf1 Ra7 42.Nc5 Kd5-+) 41.Bd2 Kd5 42.Bb4?? (better 42.Rc7+=) 42...cb4-/+ 43.Ra6 (43.Ra5 Kc4-/+) 43...Bc5 44.Nc5 Kc5 45.Ra5 (45.g3 Nd4 46.gh4 Rf3 (46...Nf3?! 47.Kg3=+) 47.Kg2 Rf8-+) 45...Kc4-+ 46.Ra8 (46.Ra4 Kc3-+) 46...Nd4 47.Rc8? (better 47.Ra4 Kc3 48.g3-+) 47...Kd3 48.Rd8 (48.Ra8 Rc7-+) 48...Re7 (48...Ra7 49.a3 ba3 50.Re8-+) 49.g3 (49.Ra8-+) 49...Re2 50.Kg1 (50.Kf1 hg3 51.hg3 Ra2-+) 50...h3 51.Rd4 (51.f4 Ra2 52.Rd7 b3 53.Rb7 b2 54.Rb2 Rb2 55.Kf1 Ke3 56.f5 Rb1) 51...Ke3 (51...Kd4 52.f4 Ra2 53.f5 Ke3 54.f6 Ra1) 52.Kf1 (better 52.Re4 Kf3 53.Re2 Ke2 54.g4+-) 52...Rf2-+ 53.Ke1 Ra2 (better 53...Rh2 54.Re4 Kf3 55.Rb4 Ra2-+) 54.Kd1?? (better 54.Re4 Kf3 55.Rb4-+) 54...Kd4 55.Kc1 (55.Ke1 Ke3 56.Kd1 Rh2 57.g4 Rd2 58.Ke1 h2 59.g5 h1Q) 55...Ke3 56.Kb1 (56.g4 Rh2 57.Kb1 Rg2 58.Kc1 h2 59.Kd1 h1Q) 56...b3 57.Kc1 Kf3 58.Kb1 (58.g4 Rh2 59.g5 Rc2 60.Kd1 h2 61.g6 h1Q) 58...Rb2 (58...Rh2 59.g4 Rc2 60.g5 h2 61.g6 h1Q) 59.Kc1?? (better 59.Kb2 Kg2 60.g4 Kh2 61.g5=) 59...Rc2 60.Kd1 (60.Kb1 Rh2 61.Kc1 Rc2 62.Kd1 h2 63.Ke1 h1Q) 60...Rb2 61.Ke1?? (better 61.Kc1=) 61...Rd2! 62.Kf1 (62.Kd2 Kg2 Combination) 62...Rf2 (62...Rd1) 63.Ke1 (63.Ke1 b2 64.Kd1 b1Q; 63.Kg1 b2 64.g4 b1Q) 1-0. TheGundogan (2380) - Lance5500 (2505), lichess.org, 2016.

8.0-0 Nbd7 9.h3 Bh5 10.d4 c6 11.Nbd2 b5 12.Ne5 Be2=+ 13.Qe2 Qc7 14.Ndf3 Nb6 15.Rab1 Ne4 16.a3 Bd6 17.Nd2 Nd2 18.Qd2 Be5 19.de5 Nc4 20.Qc3 Qe5 21.Qc4=+ dc4 22.Be5 Re5 23.Rfd1 Kf8 24.Rd6 Rc8 25.a4 a5 26.c3 Ke7 27.Rbd1 b4 28.Rd7 Ke8 29.Rb7 Rd5-+ 30.Rd4 Rd4 31.ed4 Rd8 32.Kf1 bc3 33.Rb1 Rd4 (33...Rd4 34.Rc1 Rd3-+) 0–1. Prukner,Vojtech – Novak,Ivan (2340), SVK–ch Dolny Kubin, 1979.

8.0-0 Bf3 9.Bf3= c6 (9...Nc6 10.c3 Bd6 11.d4=) 10.a3 (10.d4 Ne4=) 10...Ba5 11.d3 Nbd7 12.Nd2 Bd2 (12...Ne5 13.Rb1=) 13.Qd2 Ne5 14.Be5 (14.Be2 Qd6=) 14...Re5= 15.Rae1 (15.Rab1 Rb8=) 15...Qc7 16.c3 (16.Rb1 Rd8=) 16...Rae8 17.d4 R5e7 (17...Ne4 18.Qc2 Rg5 19.Be4 Re4 20.f3=) 18.Qd3 Ne4 19.Bd1 (better 19.Be4!? de4 20.Qc4=) 19...Qa5-/+ 20.f3? (20.Bf3 Nc3 (20...Qa3?! 21.Ra1 Qb2 22.Be4 de4 23.Qc4=) 21.Rc1 Ne4-/+) 20...Qc3 (20...Nc3!? 21.Bb3 c5 22.Qd2-+) 21.Qc3? (better 21.Bc2 Qd3 22.Bd3-/+) 21…Nc3-+ (21...Nc3 22.e4 Nb5-+) 0–1. 33privacy – artamonov, gameknot.com, 2019.

8.d4 Nc6 9.Bd6 cd6 10.Nbd2 Ne4 11.Qb3 Qa5 (11...Na5 12.Qb2=) 12.Rc1 Re7 13.0-0 Bg4 14.Bd3 Rc8 15.h3 Bf5 16.Rfd1 Rec7 17.Ne1 (17.Nh4 Be6=) 17...Ne7+= Increases the pressure on the backward pawn 18.Be4 (18.Qb1 Nd2 19.Rd2 Bd3 (19...Rc3 20.Rc3 Qc3 21.Bf5 Qd2 22.Bc8 Nc8 23.Nf3+–) 20.Rd3 b5= (worse is 20...Rc3 21.Rcc3 Rc3 22.Qb7+=)) 18...de4 19.Rb1? (19.Rc2 b5 20.Rb1 a6+=) 19...d5 (better is 19...Nd5!? 20.Qb5 Qb5 (20...Qa2?! 21.c4 Nc3 22.Qf5+=) 21.Rb5 Nc3 22.Rf5 Nd1 23.Ne4 Rd8-+) 20.Qb4 Qb4 (20...Qa6 21.a3-/+) 21.Rb4 (21.cb4 Be6+=) 21...b6 (worse is 21...Rc3 22.Rb7 R8c7 23.Rdb1=) 22.Nb1 (22.Ra4 Bd7 23.Ra3 Be6+=) 22...Bd7 23.Nc2 Nf5 24.Nca3 Nd6 25.Kf1 Rb8 (25...Kf8 26.Ke2-/+) 26.Ke1 a5 27.Rb2 Ba4 28.Rdd2 b5 29.Re2 (29.f3!? Rcb7 30.c4 dc4-+ (30...bc4?! 31.Rb7 Rb7 32.Nc3-/+)) 29...b4 30.cb4?? (better is 30.f3 Rcb7 31.cb4 ab4 32.Nc2-+) 30...Rc1 (30...Rb4?! 31.f3-/+) 31.Kd2 Rd1 32.Kc3 Rc8 0–1. Taus,Martin (2135) – Piesik,Piotr (2290), Czech Championship, 2016.

8.d4 Nc6 9.Bd6 Qd6 10.0-0 b6 11.Nbd2 Na5 12.Ne5 c5 13.Qc2 Re7 14.Rfe1 Bb7 15.Nb3 Nc6 16.Nc6 Bc6 17.a4 Rae8 18.Nd2 Nd7 19.Bb5 g6 20.Bc6 Qc6 21.Qb3 Rc8 22.Qb5 Nf6 23.Qc6 Rc6=+ 24.Rac1 Rec7 25.Nf3 cd4-/+ 26.Nd4 Rc3 27.Rc3 Rc3 28.Nb5 Rc4 29.Ra1 a6 30.Nd4 Ne4 31.h3 Nc3 32.a5 b5 33.Kf1 b4 34.f3? Rd4! 35.ed4 b3 0–1. Mavromoustakos,Thomas – Vlahos,Athanasios (2005), Ambelokipi op, 2005.

8.d4 Be5 9.Ne5 Nbd7 10.Nf3 c6 11.Nbd2 Ne4 12.Rc1 Ndf6 13.0-0 Nd2 14.Qd2 Ne4 15.Qb2 b6 16.c4 Bg4 17.cd5 cd5 18.h3 Bc8 19.Rc2 Bb7 20.Rfc1 Rc8 21.Rc8 Bc8 22.Qa3 a5 23.Bd3 f5 24.Ne5+/- g6 25.Be4 de4 26.Rc6 Be6 27.Qb2 Qd5 28.Qb6 Qa2 29.Rc7 Qa1? 30.Kh2 Qd1 31.Qc6 (31.Qc6 Rd8 32.Qe6 Kh8 33.Qf6 Kg8 34.Qd8#) 1–0. Theoryhack – marnzell, ChessWorld.net, 2009.

8.0-0 c5 9.d4 Nc6 10.Bb5 Bd7 (10...Ne4 11.h3-/+) 11.Qa4 (11.Bc6 Bc6 12.Nbd2 Ne4-/+) 11...Ne5 (better 11...Ne4!?-/+) 12.Ne5=+ Bb5 13.Qb5 b6 (13...Qb6 14.Qb6 ab6 15.Nd2=+) 14.Nd2= a6 15.Qe2 (15.Qd3 Bd6 16.f4 b5=) 15...b5 16.a4 c4 17.ab5 ab5 18.Nc6? (better 18.Rfb1!?=) 18...Qc7-/+ 19.Ne5 b4 20.cb4 Bb4 21.Ndc4 dc4 22.Qc4 Bd6 23.Qc7 Bc7 24.Ra8 Ra8 25.Nf3 (25.h3 Kf8-/+) 25...Ne4 (25...Kf8 26.Rc1-+) 26.Ne1 0-1. grandmaster1372 - Lance5500 (2620), lichess.org, 2019.

8.0-0 c5 9.d4 Nc6 10.Nbd2 Ne5 11.Ne5 Qa5=+.

8.0-0 c5 9.d4 Nc6 10.Bf4 Ne4 11.Nfd2 Bf5 12.Ne4 Be4 13.Nd2 Bg6 14.dc5 Bc5 15.Re1 Bd6 16.Bd6 Qd6 17.Qb3 Qc7 18.Bf3 Rad8 19.Red1 Re6 20.a3 Na5 21.Qa4 b6 22.c4 dc4-/+ ½–½. Pachurka,Roland (1800) – Rulfs,Ernst August (2080), A7Kl013 DESC, 2002.

7.0-0 c6 8.a4 (8.d4 Nbd7= 9.a3 Be7 10.Bf6 Nf6 11.Nbd2 Re8 12.c4 Bf5 13.Qb3=) 8...Nbd7 (8...Re8 9.c3 Bd6 (9...Bf3 10.Bf3 Bd6 11.Bd6 Qd6 12.Qb3 Qe7 13.d4=) 10.Bd6 Qd6 11.Qb3 Nbd7 12.d4 c5 13.Nbd2=; 8...Qe7 9.Bb2 (9.d4 Nbd7 10.Bc7 Ne4 11.Bf4 Rfe8 12.a5 g5 13.Bg3=+) 9...Nbd7 (9...Bd6 10.Nd4 Be2 11.Qe2 Be5 12.f4 Bd4 13.Bd4=; 9...b6 10.Bc3 Bd6 11.a5 ba5 12.Nd4 Be2 13.Qe2=+; 9...Re8 10.Nc3 Nbd7 11.a5 Bd6 12.Nd4 Be2 13.Nce2=+) 10.Nc3 Rfe8 11.a5 Bd6 12.Nd4 Be2 13.Nce2=+) 9.Bb2 (9.Bf4 Re8 10.c3 Be7 11.h3 Bf3 12.Bf3 Nc5 13.d4=+) 9...Re8 (9...Bd6 10.h3 Bf3 11.Bf3 Re8 12.a5 Qe7 13.Be2=+; 9...Qa5 10.Ne5 Be2 11.Qe2 Nb6 12.Nd3 Be7 13.Bc3=; 9...Qe7 10.Nc3 Rfe8 11.a5 Bd6 12.Nd4 Be2 13.Nce2=+; 9...Nb6 10.d3 Re8 11.Nbd2 Qe7 12.Nd4 Be2 13.Qe2=+) 10.d3 (10.Nc3 Qa5 11.Nd4 Be2 12.Qe2 Ne5 13.Rab1=+) 10...Bf3 (10...Qc7 11.Nbd2 b6 12.Rb1 Bd6 13.h3=) 11.Bf3 Ne5 (11...Bd6 12.Nc3 Qc7 13.h3=+) 12.Ba3 (12.Nd2 Nf3 13.Nf3=) 12...Ba3 13.Ra3 Nf3 (13...Qe7 14.Be2=+) 14.Qf3= Qd6 15.Ra1 (15.Rb3 b6=) 15...b6 16.Nd2 Rad8 17.Qg3 (17.a5 b5=) 17...Qg3=+ 18.hg3 ½–½. Krivoshapko,Alexander – Dergatchov,Alexander, Harkany Tenkes Cup op, 1998.

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

7.0-0 Ne4 8.d3 Nf6 (8...Nc6 9.de4 de4 10.Qd8 Rfd8 11.Bc7=) 9.Nbd2 (9.h3 Bf3 10.Bf3 c6=) 9...Nbd7 10.Rb1 Ne5 11.Rb4 Nf3 12.Bf3 Bf3 13.Qf3 (< 13.gf3 b6=+) 13...b6 14.Qg3 (14.c3 c5 15.Rbb1 Qc8=) 14...h5 (14...c5!? 15.Ra4 a6=) 15.Nf3 c5 16.Rf4 Rc8 (16...Re8 17.Qg5+=) 17.Rb1 (17.Nh4 Ng4+=) 17...Rc6 (17...Re8 18.Rf5+=) 18.Qg5 Qd6 (18...Re6 19.c3+=) 19.Nh4 Nh7 (19...Re8 20.Nf5 Qf8 21.a3+/-) 20.Qh5 g5 (better is 20...g6!? 21.Qg4 Qe5+/-) 21.Nf5+– gf4? (21...Qe6+–) 22.Nd6 Rd6 23.Qg4 Rg6 24.Qf4 (24.Qf4 Rc8 25.h4+–) 1–0. pierre – shr0pshire, ChessWorld.net, 2005.

7.a3 Bd6 8.Bd6 Qd6 9.h3 Bf3 10.Bf3 Nbd7 11.0-0 Ne5 12.Be2 d4 13.ed4 Qd4 14.c3 Qf4 15.d4 Ng6 16.Nd2 c5 17.Nf3 (worse is 17.dc5 Rfd8 18.Ra2 Ne4-/+) 17...cd4 18.Nd4 (18.cd4!? Rfe8 19.Re1=) 18...Ne4+= 19.g3 Qc7 20.Rc1 Nc3 21.Bf3 Rac8 (worse is 21...Nd1 22.Rc7 Nb2 23.Bb7+/-) 22.Nb5 Qa5 (worse is 22...Nd1 23.Nc7 Nb2 24.Bb7+=) 23.Nc3 Rc3 24.Rc3 Qc3 25.Bb7 Qa3 26.Qd4 Qa5 (26...a5 27.Ra1 Qe7 28.Qa7+=) 27.Ra1= Qb6 28.Qb6 (28.Qb6 ab6 29.Rb1=). Mantu,Eugen (2440) – Familienname,Vorname (1980), BdF remoteschach.de, 2006.

7.c3 Ba5 8.Qa4 Bf3 9.Bf3 Nbd7?? 10.Bf6+– Nf6 11.Qa5 c6 12.Qd8 Rad8 13.d3 b5 14.Ke2 a6 15.Nd2 c5 16.a4 Rb8 17.ab5 ab5 18.Ra5 Rb6 19.Rb1 Rfb8 20.c4 dc4 21.Nc4! Re6 22.Rbb5 Rb5 23.Rb5 Nd7 24.Bg4 (24.Bg4 Kf8 25.Be6 fe6 26.f4+–) 1–0. Gosme,Emile – Thomas,Gerald K, IECC, 1998.

7.c3 Bd6 8.0-0?? Bf3-+ 9.Bf6 Be2 (9...Be2 10.Bd8 Bd1 11.Bc7 Bc7 12.Rd1 Re8-+; 9...Qf6?! 10.Bf3 c6 11.d4=) 0–1. Diviak,Rudolf (1865) – Gasa,Patrik (1725), 3rd Liga A2, 2012.

7.c3 Bd6 8.Qb3 Be5 9.Ne5=.

7.c3 Bd6 8.Bd6 Qd6 9.0-0 Re8 10.Qb3 Nbd7 11.h3 Bh5 12.Nd4 (12.d4 c5+=) 12...Be2+= 13.Ne2 Qa6 14.Nd4 c5 15.Nb5 c4 16.Qb2 (16.Qb4 Qb6+=) 16...Qb6-/+ 17.N1a3? (better is 17.Qb4-/+) 17...a6-+ 18.Rfb1 ab5 19.Nb5 Qd8 20.Nd6 Re6 21.Nf5 Ne4 22.Qb7 Ndc5 23.Qb4 Rc8 24.Nd4 Rd6 (24...Rf6 25.Nf3-+) 25.Nf5 (25.a4-+) 25...Rf6 26.Nd4 Rf2 (worse is 26...Nf2 27.Rf1-+) 27.Rf1 Rd2 28.Nf3 (28.Rf5 Qc7 29.Rf3 Ng5-+) 28...Nd3 29.Qa4 (29.Nd2 Nb4 30.Ne4 Nc2-+) 29...Rg2! 30.Kg2 Qd6 31.Nd4 (31.Ne5 Qe5 32.Rf3-+) 31...Qg3 32.Kh1 Nef2 (32...Nef2 33.Rf2 Nf2#) 0–1. Neumann,Frank (1650) – Buchmann,Hans_Peter (2250), RSX16D, 2007.

7.c3 Be7 8.Qb3 b6 9.0-0 Nbd7 10.Bf4 c6 11.h3 Nc5 12.Qc2 Bf3 13.Bf3 Bd6 14.Bd6 Qd6 15.d4 Nce4 16.c4 Qe6 17.Rc1 b5 18.cd5 cd5 19.Qd3 b4 20.a3 Rfc8 21.Nd2 Rc1 22.Rc1 ba3 23.Be4 de4 24.Qa3 a5 25.Nb3 a4 26.Nc5 Qd5 27.Na4 Qd7 28.Rc4 h6 29.Qb4 Kh7 30.Kh2 Qf5 31.Rc2 Qe6 32.Qc4 Qd6 33.Kg1 Nd5 34.Rc1 f5 35.Nc5 Qc6 36.Qb3 Qd6 37.Qb7 Rb8 38.Qf7 Rf8 39.Qe6 Qe6 40.Ne6 Rf6 41.Nc5 h5 42.Rb1 Rd6 43.Rb3 g5 44.g4 hg4 45.hg4 Kg6 46.gf5 Kf5 47.f3! ef3 48.e4 Kf4 49.ed5 g4 50.Rb8 Rd5 51.Re8 Kg3= 52.Nb3 Rh5 53.Re3 Rh2 54.Nc5 Rg2 55.Kf1 Rf2 56.Ke1 Kg2 57.Nd3 Rf1 58.Kd2 g3 59.Ne1?? Re1 60.Re1 f2 61.Re2 Kh1 (61...Kh1 62.Re8 f1Q 63.Rh8 Kg1-+) 0–1. marekt – Morlok, friendly game, 2005.

8.a3 Bf3 9.Bf3= Ne5 10.ab4 Qd6 11.c3 Qe6 12.Be2 Ne4 13.d3 Nd6 14.Nd2 Rfe8 15.d4 Nd7 16.Qc2 a6 17.c4 dc4 18.Nc4 c6 19.Rfd1 Nf6 20.Nd6 Qd6= 21.Qc5 Qe6 22.Qb6 Qe7 23.Bf3 Rad8= 24.Ra5 Qd7 25.b5 ab5 26.Ra7 Rb8 27.Rda1 Rec8 28.h3 (28.Qc5 Re8+=) ½–½. Mario Cruz (1795) – pierre (1750), internet, 2005.

8.Bb2 c6 9.c4 Re8 10.cd5 Nd5=+ 11.a3 Bd6 12.Nc3 N7f6 13.h3 Bh5 14.d3 Bc7 15.g3 Qd6 16.e4? Ne3!-+ 17.Qc1 Nf1 18.e5 Re5 19.Ne5 Ng3! 20.fg3 Qd4 21.Kg2 Be5 22.g4 Bg6 23.Nd1 Qd5 24.Bf3 Qd6 25.Be5 Qe5 26.Rb1 Nd5 27.Nf2?? Nf4 28.Kh1 Rb8 29.Rb3 h6 30.Be4? Ne2 31.Qe3 Nd4 32.Rb1 b6 33.Kg2 Re8 34.Qd2 Qf6 35.Rf1 c5 36.Qa2 Ne6 37.Qd2 Nf4 38.Kg3 Ne6?? 39.Kg2 Ng5 40.Qa2 Be4 41.Ne4 Qe6 (41...Qe6 42.Qe6 Re6 (< 42...fe6 43.Ng5 hg5 44.Re1-+) 43.Ng5 hg5-+) 0–1. Doncea,Vladimir (2105) – Nemeth,Francisc (2290), Eforie Nord op, 2002.

8.Bb2 c6 9.d3 Qb6 10.Nbd2 Bd2 11.Bf6 Be3 12.Rb1 Nf6 13.Rb6 Bb6 14.Qd2 Rae8 15.h3 Bc8 16.Re1 d4 17.a4 Nd5 18.Bf1 c5 19.Ng5 f5 20.c4 Nc3 21.g3 h6 22.Nf3 Bc7 23.Bg2 b6 24.Kf1 Bd7 25.Re8 Re8-+ 26.Qc1 Ba4 27.Nh4 f4 28.g4 Kf7-+ (28...Kf7 29.Bf3 Kf6-+) 0–1. pierre – bib bob, ChessWorld.net, 2005.

8.Bb2 c6 9.Nd4 Be2 10.Qe2 Qe7 =+.

8.Bb2 c6 9.h3 Bf3 10.Bf3 Re8 =+.

8.Bb2 Bd6 9.Nc3 c6 =.

8.Bb2 Bd6 9.d3 c5 10.Nbd2 Qb6 11.Rb1 Qc7 12.c4 Be6 13.Qc2 Rfe8 14.cd5 Bd5 15.Nc4 Ng4 16.Nd6 (16.h3 Ngf6=) 16...Qd6+= 17.e4 Ba2 18.Rbc1 b6 19.h3 Nh6 20.d4 cd4 21.Bd4 Be6 22.Rfd1 Qe7 23.Bb5 a6 24.Bc6 Rac8 25.Qb2 f5 26.Be3 Nf7 27.Nd4 Nfe5 28.Ne6 Rc6 29.Rc6 Nc6 30.Qg7! Qg7 31.Ng7 Kg7 32.Rd7 Kg8 33.ef5 b5 34.Rc7 Ne5 35.f6 Nf7 (35...Re6 36.Rg7 Kf8 37.Bc5 Ke8 38.Rh7+–) 36.Ra7 h6 37.Ra6 Rb8 38.Ra3 Kh7 39.f4 Kg6 40.g4 Kf6 41.Ra6 Kg7 42.Bd4 Kf8 43.Rg6 Ke7 44.f5 Kd7 45.Rg7 Ke7 46.h4 Rd8 (46...b4!?+–) 47.Be3 1–0. Rudbeck,Joergen (2405) – Cronje,Hector (2120), WCCC29SF14(WS), 2005.

8.Bb2 Bd6 9.Nd4 Be2=+ 10.Qe2 Be5 11.f4 Bd4 12.Bd4 Re8 13.Qb5 b6 14.Qc6 Re6 15.Qa4 c5 16.Bb2 a6 17.Nc3 b5-/+ 18.Qb3 c4 19.Qa3 Qb6 20.Qb4 d4 21.f5 a5 22.Qb5 dc3 23.Qb6 Rb6 24.Bc3 Kf8 25.Bd4 Rc6 26.Rfb1 Ke7 27.Rb7 Ne4 28.Bg7 Nd6 29.f6 Ke6-+ 30.Rbb1 Rd8 31.d4 Nf6 32.Bf6 Kf6 33.Rf1 Ke6 34.Rab1 f5 35.h3 Re8 36.Kf2 h5 37.Kf3 Ne4 38.Kf4 Nc3 39.Rb7 Kf6 40.Kf3 Na2 41.Rb5 a4 42.g4 fg4 43.hg4 hg4 44.Kg4 Kg7 45.Rff5 Re7 46.Ra5 Nc3 47.Rg5 Rg6 48.Kf4 Rg5 49.Rg5 Kf7 50.Ra5 Re4 51.Kf3 Rh4 52.Kg2 Ke6 53.Ra6 Kf5 54.Ra5 Kg4 55.Ra7 Nd5 56.Ra4 Ne3 57.Kf2 Kf4 58.c3 Rg4 59.Ra6 Rg2 (59...Rg2 60.Ke1 Rc2-+) 0–1. Pierred (2195) – Javier88 (2490), Rated game, 5m + 0s, 2005.

8.Bb2 Qe7 9.d3 =+.

8.Bf4 c5 9.h3 Be6 10.c3 Ba5 11.d3 Bc7 12.Bc7 Qc7 13.Nbd2 b6 14.a4 Ne5 15.Qc2 Rfc8 16.Rfc1 Nf3 17.Bf3= Rab8 18.c4 Rd8 19.cd5 Nd5=+ 20.Bd5 Rd5 21.a5 Qd8 22.Nf3 Rc8 23.ab6 ab6 24.Ne1 Rd6 25.Qb2 Bf5 26.e4 Bd7 27.Qe5 Qf8 28.Qf4 Be6 29.Rcb1 f5 30.e5 Rd4 31.Qf3 Rb8 32.Ra6 Rd5 33.Qe2 Qd8 34.Qb2 f4 35.Rb6 Rb6 36.Qb6 Qb6 37.Rb6 Bf5 38.Rb5 Kf7 39.Kf1 Ke6 40.Rb6 Ke7 41.Rb5 Re5 0–1. hooks – mrkt, ChessWorld.net, 2006.

8.Bf4 Re8 =.

9.Nc3 Qe7 =+.

9.d3 Nc5 10.a3= Ba5 11.a4 c6 12.Nbd2 Bc7 13.h3 Bh5 14.Nd4 Qd6 15.g3 Re3 16.Nf5 Be2 17.Nd6 Bd1 18.fe3 Bc2 19.Bf6 Bd6 20.Bd4 Bd3 21.Rfc1 Ne4 22.Ne4 Be4 23.Kf2 Bd3 24.a5 f5 25.Rc3 Bb5 26.Rb3 a6 27.Rc1 Kf7 28.g4 g6 29.gf5 gf5 30.Rg1 Rg8 31.Rbb1 Rg6 32.h4 c5 33.Bc3 Rg4 34.h5 Ke6 35.Kf3 Rh4 36.Rh1 Rh1 37.Rh1 Be5 38.Be5 Ke5 39.Rg1 d4 40.ed4-/+ cd4 41.Rg7 d3 42.Ke3=+ f4 43.Kd2 Kf6 44.Rh7+/- f3 45.Rh8 Kg7 46.Rc8 Kh6 47.Rf8 Kh5 48.Rf3= Kg4 49.Rf7 Bc4 50.Rb7 Kf5 51.Rb4+– Bd5 52.Kd3 Ke5 53.Rb6 Bg2 54.Kc4 Bf1 55.Kc5 Ke4 56.Re6 Kf5 57.Re1 Bd3 58.Kb6 Kf6 59.Re8 Bc4 60.Ra8 Ke7 61.Ra6! Ba6 62.Ka6 Kd7 63.Kb7 Kd6 64.a6 Kc5 65.a7 Kb5 66.a8Q (66...Kc5 67.Qc8 Kd4 68.Qd7 Kc5 69.Qc6 Kd4 70.Qd6 Ke3 71.Kc6+–) 1–0. Feldner,Alexander – Dietz,Ma, GER–chT U20 Germany, 1996.

9.d3 Bd6 10.Nc3 =+.

9.d3 Bd6 10.Nbd2 c5 11.c4 Rc8 12.Rb1 b6 13.Re1 Bb8 14.Qa4 Bh5 15.Nf1 Qc7 16.Qb3 dc4 17.Qc4 Ng4?? 18.h3 Nge5 19.Ne5+/- Ne5 20.Be5 Re5 21.f4 Be2 22.fe5 Bh5 23.d4 Qd8 24.Rbc1 Qg5 25.e6 Bd6 26.e4 Rd8 27.e5+– Be7 28.d5 Bf3? 29.ef7 Kf8 30.Ne3 Qg3 31.d6 Bg5 32.Qf1 Bc6?? 33.Nf5 Qa3 34.e6 (34.e6 Rd6 35.Nd6+–) 1–0. De Visser,Arno – van Egmond, 1999.

9.d4 Ne4 10.c4 dc4 11.Bc4 +=.

9.d4 Bf3 10.Bf3= Nb6 11.c3 Bd6 12.Nd2 Qd7 (12...c6 13.Qb3+=) 13.a4= Ne4 14.g3 (14.Be4 de4 15.c4 Bb4=) 14...Na4 (14...Nd2 15.Qd2 Nc4 16.Qc2+=) 15.Be4= Nb2 16.Bh7 Kh7 17.Qc2 Kg8 18.Qb2 c6 (18...b5 19.Ra6=) 19.c4 dc4 20.Nc4 b6 21.Rfc1 Bc7 22.Ra6 b5 23.Na5 (23.Nd2 Bb6+=) 23...Ba5 24.Ra5 Rec8 25.Qa3 Rc7 26.Qc5 Rac8 27.Rca1 Ra8 28.Rc1 ½–½. Franke,Roland (2010) – Robertson,Ian C (2160), Sibenik CRO, Euro Senior Team Ch, 2014.

8.Bb2 Bd6 9.Na3 c6 10.c4 Qe7 11.Qb3 Ne4 12.Rad1 (12.cd5? Bf3 13.Bf3 Nd2-+) 12...a6 13.cd5 cd5 14.Nc2 Nc6 15.Ncd4 (15.Qd5 Red8 16.Qc4 Rac8+=) 15...Qd7 16.h3 Bh3 17.gh3 Na5 18.Qb6 Bc7 19.Qb4 Qh3 20.Rc1 Ng3! 21.fg3 (21.fg3 Qg3 Combination) 21...Qg3 22.Kh1 Re4 23.Rc7 (23.Nc2 Qh3 24.Kg1-+) 23…Rg4 (23...Rg4 24.Rf2 Qf2 25.Qf8 Rf8 26.Bf1 Qf1 27.Kh2 Qg2) 0–1. Dagis,Martins – Starostits,Andris (2440), Baltic New ICCF Players Tournament, 2005.

8.Bb2 Nbd7 9.d3 Bd6 10.Nbd2 Nb6 11.a4 a5 12.Re1 Bd7 The isolani on a4 becomes a target 13.c3 Qe7 14.h3 Red8 15.Qb3 Qe8 16.Bd1 Rab8 17.Nd4 Ra8 18.e4 de4 19.Ne4 Ne4 20.Re4 Qf8 21.Bf3 Rab8 22.Nb5 Bf5 23.Re3 Be6 24.c4 Bc5 25.d4 Bb4 (25...Bc4 26.dc5 Bb3 27.cb6 Ba4 28.Ra4 Qc5 29.bc7 Qb5+=) 26.d5+= (worse is 26.Nc7 Bc4 27.Qd1 Rbc8-/+) 26...Bd7 27.Be5 Bb5 28.ab5 Qc5 29.Be2 Nd7 30.Bb2 Re8 31.Re8 Re8 32.Qg3 g6 33.Bf1 Qd6 34.Qh4 f6 35.Bd4 Qe7 36.Qg4 b6 37.Ra2 f5 38.Qg3 Qe1 39.Ra1 (worse is 39.Qc7 Qf1 40.Kh2 Re7-/+) 39...Qe4 40.Rd1 Bd6 ½–½. Woelfelschneider,Peter (2045) – Gazen,Louis (2035), CFriend SI–2004–0-00022 email, 2004.

8.Bb2 Qe7 9.a4 (9.Bf6 Qf6 10.c3 c5=) 9...Nbd7 10.c4 c6 11.h3 (11.cd5 Nd5 12.Nd4 Be2 13.Qe2 Qg5+=) 11...Bh5 (11...Bf3!? 12.Bf3 dc4-/+) 12.cd5+= Nd5 13.Nd4 Be2 14.Ne2 Rad8 15.Nbc3 Nc3 16.Nc3 c5 (16...Bd6 17.d4+=) 17.d4 Nf6 18.Ne2 ½–½. Krivoshapko,Alexander – Adamson,Konstantin, 2012.

7.a4 Nc6 8.Bb2 Re8 9.Be2 h6 (9...Bf5 10.0-0=+) 10.c3 Ba5 11.Ba3 (11.0-0 Be6=+) 11...Bb6 (11...Ne4 12.0-0-/+) 12.0-0=+ Bf5 13.Nh4 Bh7 14.Nf3 Qd7 15.Bb5 (15.d3 Qe6=+) 15...a6 (15...c4 16.d4-/+) 16.Be2=+ Ba7 (16...d4 17.cd4 cd4 18.Qb3=+) 17.Bb2 Bb8 18.Ba3 Bf5 19.Nh2 (19.Bc5 Bh3 20.Nd4 Ne4=+) 19...b6 20.Ng4 (20.Nf3 Qe6-/+) 20...Ng4 21.hg4 Bh7 22.f4 c4 23.g3 (23.Bf3 Bd3 24.Be2 Be4-/+) 23...Bd3 (23...Na5!? 24.Bf3-+) 24.Bd3-/+ cd3 25.Kg2 (25.Rf2 Re6-/+) 25...Qe6 (25...d4!? 26.Re1 de3 27.de3 Qd5 28.Qf3 Qc4-/+) 26.Qf3=+ Na5 27.Qd1 (27.Rh1 Qe4=+) 27...Nc4 (27...Qe4 28.Qf3-/+) 28.Bb4 (28.Rh1 Bd6-/+) 28...a5 29.Ba3 f5 (29...Qd7!? 30.Kh2 Bd6-/+ (worse 30...Na3 31.Na3 Bd6 32.Nb5=)) 30.gf5=+ Qf5 31.Qf3 Ra7 32.Rh1 Kh7 33.Rh5 g5 (33...Qf7=) 34.g4 (better 34.fg5!? Qf3 35.Kf3=) 34...Qe4-/+ 35.fg5 (35.Qe4 Re4 36.Bf8 gf4 37.Bh6 fe3 38.Be3 Kg6 39.Rg5 Kf6 40.Rg8 Ne3 41.de3-+) 35...Kg6 (35...Qf3 36.Kf3 Re3 37.Kg2 Re2 38.Kg1 Re1 39.Kg2 Na3 40.Ra3 Rae7 41.Rh6 Kg7-+) 36.gh6 (36.Rh6 Kg5 37.Rh5 Kg6 38.Rd5 Qf3 39.Kf3 Rf7 40.Rf5 Rf5 41.gf5 Kf5-+) 36...Qf3 37.Kf3 Rf7 38.Kg2? (38.Rf5 Rf5 39.gf5 Kf5-/+) 38...Re4 (better 38...Re3 39.Rf5 Re2 40.Kf1 Rf5 41.gf5 Kh6-+) 39.Rh4?? (39.h7 Rg4 40.Kh3 Rg3 41.Kh4 Rh7 42.Rh7 Kh7 43.Be7-+) 39...Re3!-+ 40.Rh3 (40.de3 Ne3 A classical mating theme) 40...Re2 (40...Rh3 41.Be7 Rg3 42.Kh1 Rf1 43.Kh2 Rgg1 44.Bd6 Bd6 45.Kh3 Rf3 46.Kh4 Rh1) 41.Kg1 Ref2 (41...Ref2 42.Rf3 R2f3 43.Bc5 Rg3 44.Kh2 Rg4 45.Kh3 Kh5 46.Bd6 Bd6 47.h7 Rf3) 0–1. petrobbo (1965) – zymikium (2295), ChessWorld.net, 2011.

8.Bb5 a6 9.Be2 Nc6 10.Bf4 Bf5 11.0-0 Re8 =+.

8.Bd3 Nc6 9.Bf4 c4 10.Bc2 Bc7 11.Bc7 Qc7 =+.

8.Bd3 Nc6 9.Bh2 Ne4 10.0-0 Re8 11.a4 Bf5-/+ 12.Be2 c4 13.Na3 Bc3 14.dc3 Nc3 15.Qd2 Ne2 16.Qe2 Bd3 17.Qb2 Bf1 18.Kf1 Re7 19.Nd4 Nd4-/+ 20.Qd4 Re4 21.Qc3 a6 22.Rd1 Rc8 23.f3 Re7 24.Be5 f6 25.Bd4 Qd6 26.a5 Qh2 27.Kf2 f5 28.f4 Rc6 29.Rg1 Rce6 30.Qc2 Re3 31.Be3 Re3 32.Ke3 Qg1 33.Kf3 Qf1 34.Kg3 Qe1-/+ 35.Kf3 Qb4 36.Nc4 dc4 37.Qf5-/+ Qb3 38.Kg4 h5 39.Kh4 Qb5 (39...Qb5 40.Qe6 Kf8-/+) 0–1. Gajda,Leszek – Kuperski,Marek, corr 2. AMM Poland, 1994.

8.Bd3 Nc6 9.Bh2 (9.Bf4 Re8 10.Bb5 Qb6 11.Na3 a6=+) 9...Qe7 (9...Ne4 10.Bb5 (10.0-0=+ Re8 11.Bb5 Bd7-/+) 10...Qb6 11.a4 Re8=+) 10.a4 (10.Bb5 Bd7=+ 11.0-0 a6=+) 10...Ne4-/+ 11.Na3 (11.Bf4 Bf5 12.Bb5 Rfe8-/+; 11.Bc2 Re8-/+) 11...Bf5 12.Qb1 (12.Bb1 Rfe8-/+) 12...c4 (12...Nc3 13.dc3 Bc3 14.Ke2-/+) 13.Bc2 a6 (13...Nc3!? 14.dc3 Bc3 15.Kd1 Be4-/+) 14.0-0=+ Rae8 15.Qb2 Bd8 (15...b6 16.Rab1-/+) 16.Rfe1 (16.d3 cd3 17.Bd3 Ba5=+) 16...g5 (16...Bg6!?=+) 17.Nd4 Nd4 18.ed4 Qd7 (18...Bc7 19.Bc7 Qc7 20.d3 cd3 21.Bd3=) 19.a5 (19.f3 Nf6 20.Bf5 Qf5 21.Qb7 Qd3+=) 19...Ba5 (19...Bc7 20.Be5 Be5 21.de5=) 20.f3 Nd6?? (better is 20...Nf6=) 21.Qc1?? (21.Bd6 Qd6 22.Bf5+–) 21...Bc7 22.Re5 Bc2 23.Nc2 (23.Qc2 Re5 24.de5 Nf5-/+) 23...Re5 (23...Nf5 24.Re8 Bh2 25.Kh2 Re8 26.Ne3-/+) 24.de5 Nf5 25.d4 cd3 (25...f6 26.Qb1 Qc8 27.Nb4-/+) 26.Qg5 Ng7 27.Nb4 f6 (27...Bb6!? 28.Kh1 Rc8=+) 28.ef6= Bh2 29.Kh2 Qd6 30.Kg1 (30.f4 Qf6 31.Qd5 Kh8 32.Nd3 Qc3+/-) 30...Rf6= 31.Rd1 Qb6 (31...Rf5 32.Qe3 a5 33.Nd3=) 32.Kh1 Rf5 33.Qh4 (33.Nd5 Rg5 34.Nb6=) 33...d2 (better is 33...a5!? 34.Nd3 Qc7=) 34.Rd2+/- Rh5 1–0. Basman,Michael J – Gass,Ulrich, 1978.

8.d4 c4 9.Qc2 Nc6 10.Bf4 Re8 11.Nbd2 Ne7 =+.

8.g4 Nc6-/+ 9.Bf4 d4 10.Bc4 a6 11.a4 Nd5 12.Bg3 Be6 13.Qb3 dc3-/+ 14.Nc3 Bc3 15.dc3 Na5 16.Qa2 Nc3 17.Qc2 Bc4 18.Ne5? Qd5 19.Rh2 f6 20.Nc4 Qc4 21.Rc1 Na4 22.Qc4 Nc4 23.Rc4 b5 24.Rc1 c4 25.f3 c3 26.Ra2 Rfc8 27.Ke2 a5 28.Be1 Rc4 (28...Rc4 29.Rcc2 Kf7-+) 0–1. Dobosz – Pietrzak,Janusz, corr 1. AMM Poland, 1991.

8.Bb2 b6 9.0-0 Bb7 10.c3 Ba5 11.d4 c4 12.a4 a6 13.Qc2 Ne4 14.Nbd2 Nd2 15.Nd2 b5 16.Ba3 b4 17.cb4 Bb4 18.Bb4 Nb4 19.Qc3 a5 20.Nb1 Bc6 21.Qd2 f5 22.Nc3 Qd6 23.f4 Rae8 24.Rf3 Re7 25.Kf2 Qh6 26.Rh1 g5 27.Rg3 g4 28.Qd1 Nd3 29.Bd3 cd3 30.Qd3 Rg7 31.Qb1 gh3 32.Rhh3 Qf6 33.Rg7 Kg7 34.Qh1 h6 35.Rg3 Kh7 36.Qb1 Qh4 37.Qb6 Rg8 38.Qc7 Kh8 39.Qe5 Kh7 40.Qf5 Kh8 41.Qe5 Kh7 42.f5 Rg3 43.Qg3 Qf6 44.Qf4 Kg7 45.g3 Kh7 46.Qc7 Kh8 47.Qe5 Kg7 48.Qf6 Kf6 49.g4 h5 50.Kg3 hg4 51.Kg4 Bb7 52.Kf4 Bc6 53.e4 de4 54.Ne4 Ke7 55.Nc5 Kf6 56.Kg4 Be8 57.Ne4 Ke7 58.Kg5 Ba4 59.d5 Bc2 60.f6 Ke8 61.Nd6 Kf8 62.Nc4 a4 63.d6 Ke8 64.Ne5 Bb3 65.d7 Kd8 66.Kg6 a3 67.f7 Bf7 68.Kf7 a2 69.Ke6 a1Q 70.Nf7 Kc7 71.d8Q Kc6 72.Ne5 Kc5 73.Qc7 Kd4 74.Qc4 Ke3 75.Qd3 Kf2 76.Qf3 Kg1 77.Qe2 Kh1 78.Ng4 Qg1 79.Kf5 Qc5 80.Kf4 Qd6 81.Kf3 Qd5 82.Kg3 Qd6 83.Kh3 Qa3 84.Kh4 Qc3 85.Qf1 1–0. donex7 (1825) – tflk (1755), gameknot.com, 2014.

8.Bb2 d4 9.0-0=+ Ba5 (9...Be6 10.Na3=+) 10.Ba3 (10.Na3!?=) 10...Qd5 11.ed4 Nd4 12.Nd4 (12.Nc3 Ne2 13.Ne2 Re8-/+) 12...Qd4 (worse 12...cd4 13.Bf3 Qg5 14.Bf8 Kf8 15.Qc1+–) 13.c3 Qd5 (13...Qd6 14.d4 Bc7 15.g3-/+) 14.d4=+ Bf5 (14...Qg5 15.f4 Qg6 16.Bd3=+) 15.c4 (better 15.Bc5!? Rfe8 16.Bb5=) 15...Qd4-/+ 16.Qd4 cd4 17.Bf8 Kf8 18.g4 d3 19.Bf3 Be4 20.Kg2 Re8 (better 20...d2!?-/+) 21.Rd1= Bf3 22.Kf3 Nd7 23.Nd2 Bd2 (23...Re2!? 24.Nb3 Ne5 25.Kg2 Bc3=) 24.Rd2= Nc5 25.Rb1 Re6 26.Rb5 Rc6 27.Ke3 b6 28.f3 Ke7 29.h4 Re6 30.Kf2 Kd6 31.Rb1 Ke5 32.Ke3 f5 33.gf5 Kf5 34.Kf2 Rd6 35.Rg1 g6 36.Rg5 Kf6 37.Rg4 Kf5 38.Rg5 Kf4 (38...Kf6 39.Rg4=) 39.Rg4 (39.Rd1 h6 40.Rd5 Re6 41.Rd4 Ke5+=) 39...Kf5= 40.Rd1 h5 (40...Rd7!?=) 41.Rg5+= Kf4 42.Rdg1 (42.Rd5!? Re6 43.Rd4 Ke5 44.Rd8+–) 42...Re6 (better 42...Rd4=) 43.Rg6?? (better 43.Re1 Re1 44.Ke1 Kf3 45.Rg6=) 43...Re2-+ 44.Kf1 Ke3 45.R1g5 Rf2 46.Kg1 Rf3 (46...Ra2 47.Rd6 Kf3 48.Rf5 Ke3 49.Rh5-/+) 47.Re5 (better 47.Rh5!? d2 48.Rd5=+) 47...Ne4-+ 48.Rge6? (better 48.Rg2-+) 48...Rf4 49.Rh5 d2 50.Rd5 Rh4 (50...Rg4!? 51.Kh2 Rh4 52.Kg2-+) 51.Re7 Ke2 (51...Rg4 52.Kh2-+) 52.Ra7 (52.Red7 Rg4 53.Kh2 Kf1 54.Rf5 Ke1-+) 52...Rg4 53.Kh2 d1Q 54.Rd1 Kd1 55.Rd7?? (55.Ra6 Rg6 56.a4-+) 55...Ke2 56.Rd5 Rg5 57.Rd8 (57.Rd7 Nf2 58.Rd5 Rd5 59.cd5 Ne4-+) 57...Nf2 58.Rd6 (58.Rd5 Rd5 59.cd5-+) 58…Kf1 (58...Kf1 59.Rd1 Nd1 60.Kh3 Kf2 61.Kh4 Rf5 62.Kh3 Ne3 63.Kh4 Kf3 64.a3 Ng2 65.Kh3 Rh5) 0–1. Jonsson,Pall G (1830) – Sarkar,Justin (2390), Reykjavik Open, 2017.

8.Bb2 Re8 9.0-0 h6 (9...Bf5 10.a3 Ba5 11.Bb5+=) 10.c3 Ba5 11.Qc2 Bc7 12.a3 (12.c4 d4+=) 12...Ne5 13.Ne5 Re5 14.f4 Re8 15.Rf3 (15.Bb5 Re7+=) 15...h5 (15...c4!?-/+) 16.Bb5+= Bd7 (16...Rf8 17.Be2+=) 17.a4 (17.c4 Bb5 18.cb5 Bb6=) 17...a6 (17...c4!?+=) 18.Bd7= Qd7 19.d3 (19.c4 d4=) 19...Re7 (19...c4 20.Qe2-/+) 20.Nd2 (20.c4 d4 21.ed4 cd4=) 20...Rae8+= 21.Re1 Qc6 22.c4 d4 23.e4 Nh7 (23...h4 24.Nb3+=) 24.Ref1 (24.Rb1 Nf8=) 24...Qd7 (24...h4 25.Ba3=) 25.Bc1 f5 26.ef5 (better is 26.Ba3 fe4 27.de4=) 26...Re3?? (better is 26...Qf5!? 27.Rg3 b6-/+ (27...Bf4?! 28.Rgf3 g5 29.Ne4+=)) 27.Ne4 (better is 27.Re3!? de3 28.Ne4+/-) 27...Rf3= 28.Rf3 (worse is 28.gf3 Qf5 29.Qb2 b6-/+ (29...Qh3?! 30.Qb7 Re4 31.Qa8 Nf8 32.de4=)) 28...Qf5 29.Ng3 (29.Ba3 Nf8+=) 29...Qf7 30.Ne4 Qf5 (30...b6 31.f5=) 31.Qe2 (31.Qb3 b6 32.a5 Rb8+=) 31...b6 32.Qf2 (32.Rf1 Re6=) 32...Re6 (32...Nf6!? 33.Ng5 Re7+=) 33.Ng3= Qf7 34.f5 Re8 (34...Re7 35.Ne4 Nf6 36.Nf6 Qf6 37.h4+=) 35.Ne4 Rf8 (35...Nf6 36.Ng5 Qd7 37.a5 ba5 38.Ne6=) 36.g4 (better is 36.a5!?+=) 36...Nf6 37.Ng5 Qd7 38.Ne6 (38.gh5 Qa4 39.Ne6 Rf7+=) 38...Re8 (38...hg4!? 39.Nf8 Kf8 40.hg4 Ng4=) 39.g5+= Nh7 40.Qh4 Re6 41.fe6 Qe6 42.Qe4 Qd7 (42...Qe4 43.de4 Nf8 44.Bf4 Bf4 45.Rf4+=) 43.Rf5 (43.Kg2 Nf8+/-) 43...Nf8 44.Bf4 Bf4 45.Qf4 Ng6 46.Qe4 Qa4 47.Qe2 (47.Rf2!? Kh7 48.Qe2+=) 47...Qd7+= 48.Qf3 Kh7?? (better is 48...Qe6+=) 49.Qh5+– (49.Qh5 Kg8 50.Qg6+–) 1–0. Jonsson,Pall G (1825) – Jonasson,Hordur, Reykjavik Open, 2016.

8.Bh2 Ne4 9.0-0 Qf6 10.c3 Ba5 11.Na3 a6 12.Nc2 g5 13.c4? (better 13.a4-/+) 13...dc4-+ 14.Bc4 g4 (14...Rd8 15.d4 Nc3 16.Qd2 Bh3 17.Be5 Ne5 18.Ne5 Qe5 19.gh3-+ (19.de5?? Rd2 20.gh3 Rc2-+)) 15.hg4 (15.Bd5!? Re8 16.Be4 Re4 17.d3-/+) 15...Bg4-+ 16.d4 Nd2! 17.Be2 (17.Nd2 Bd1 Pinning (17...Bd1 Deflection)) 17...Nf1 18.Kf1 (18.Qf1 cd4 19.ed4 Rad8-/+) 18...Qh6 (18...Rfd8!? 19.Rb1 b5 20.Ne5-+) 19.Kg1-/+ Qg7 (19...Rad8 20.Rb1 b5 21.a4 cd4 22.Nfd4 Nd4 23.Nd4 Be2 24.Qe2-/+) 20.dc5 (20.Bd6 Rfd8 21.Bc5 Rd5=+) 20...Bh3 (20...Rfd8 21.Bd6 Bc7 22.Rb1=+) 21.Bf1 (21.Bg3 Rad8 22.Ncd4 Nd4 23.ed4 Bc3 24.gh3 Rd4+=) 21...Bg4 22.Rb1 Qc3 (22...Rfd8 23.Ncd4 Nd4 24.ed4=) 23.Ncd4 (23.Bd6 Bf3 24.Qf3 Qc2 25.Rb7 Nd8=) 23...Qc5= 24.Rc1 Qd5 25.Qc2? (better 25.Nc6!? bc6 26.Qa4 Bf3 27.gf3=) 25...Nd4 26.Nd4 Rac8 27.Qb2 Rc1 28.Qc1 Rc8 29.Qb1 Bc3 30.Bf4 (30.Qb6-+) 30…b5 0-1. Gibson,E Diarmid - Connolly Sams,Lukah (1740), 125th ch-SCO Open, 2018.

7.Bb2 c5 8.Be2 Nc6 9.0-0 d4 10.ed4 cd4 11.d3? (11.Re1 Be6=+) 11...Qd6 (better 11...Qe7 12.Bd4 Qe2 13.Bf6 gf6-+) 12.Nbd2 Be6 13.a3 Ba5 14.Nb3 The pressure on the isolated pawn grows (14.Ne4 Qd8=+) 14...Bb6 (14...Bb3 15.cb3 Qe7 16.b4 Qe2 17.Qb3 Bb4 18.ab4=+) 15.Nbd2 Rac8 16.Ng5 (16.Re1 Ba5-/+) 16...Bd5 17.Bf3 Ne5 18.Bd5 Nd5 Black gets strong initiative 19.Nge4 (19.f4 Qg6 20.fe5 Ne3-/+) 19...Qg6 20.Ng3 Nc3 21.Bc3 dc3 (21...Rc3?! 22.Re1=+) 22.Nde4 f5 23.Nf5 Qf5 24.Nd6 Qf6 25.Nc8 Rc8 26.a4 (26.Qb1 Rf8 27.Qb3 Kh8-/+) 26...Rf8 27.Qe2 Nc6 28.Qe1 (28.Rae1 Qf7-+) 28...Nd4 29.Qd1 (29.Qe4 Qd6-+) 29...Qd6 30.Kh1? (30.Qg4-+) 30...Bc7 31.f4 Rf4 32.Rf4 Qf4 33.Qg1 Ne2 34.Rf1 (34.g3 Ng3 35.Kg2-+) 34…Ng3 (34...Ng3 35.Kh2 Nf1 36.Kh1 Qc1-+) 0–1. petrobbo (2015) – FestinaLente (2190), ChessWorld.net, 2013.

7.Bb5 c6 8.Bd3 (8.Be2 Nbd7 9.Bb2 Qe7=+) 8...Nbd7 9.Bc3 (9.Bb2 b5=+) 9...Bd6-/+ 10.0-0 Nc5 (10...Ne4 11.Bb2-/+) 11.Be2=+ Na4 12.Bd4 Bd7 13.Nc3 Nc3 14.Bc3 Ne4 15.Bb2 b5 16.a4 ba4 17.Ra4 a5 18.d3 Nc5 19.Ra2= Qb6 20.Qa1 f6 21.Bc3 a4 22.Bd4 Qb5 23.Rb1 Qa5 24.Bc5 Bc5=+ 25.c4 Bb4 26.Rc1 dc4 (26...dc4 27.dc4 c5=+). Valica,Slavo – Schulz,Hans_Juergen, TT–16.34 ETC, 2005.

7.Bb5 Nbd7 8.c3 Be7 9.Bf6 Bf6 10.d4=+.

7.Be2 c5 8.0-0 Nc6 9.Bb2 Bf5 10.Nh4 Be6 11.f4 (11.Nf3 c4+=) 11...Ne4-/+ 12.Qe1 (12.Nf3 Qb6 13.Ba3 d4-/+) 12...f5 (12...d4 13.Bd3 Nd2 14.Nd2-+) 13.c3 Ba5 14.g4 (14.d3 Nd6-/+) 14...fg4 15.hg4 (15.Bg4 Bg4 16.hg4 Qb6-/+) 15...Qe7 (15...d4 16.f5 Bf7 17.Ng2-+) 16.d3 Bd8 (16...Nd6 17.Qg3-/+) 17.Ng2 (better is 17.de4!? Qh4 18.Qh4 Bh4 19.e5=) 17...Nd6-/+ 18.Qg3 Bf7 19.Nd2 h5 (19...Bb6!?-/+) 20.Rae1 (20.gh5 Nf5 21.Qh3 Ne3 22.Ne3 Qe3 23.Qe3 Re3+=) 20...h4 21.Qh3 Qe6 22.Nf3 h4 draws heavy fire 22...Bf6 (22...c4 23.dc4 Nc4 24.Bc4 dc4 25.Ngh4=) 23.Bd1 (23.f5 Qe7 24.Nfh4 Bh4 25.Qh4 Qh4 26.Nh4 Re3=) 23...Qd7 (23...c4 24.Bc2+=) 24.Ngh4= d4 (better is 24...b5!?=) 25.cd4 cd4 26.e4 Bh4 (26...Ba2 27.e5 Bh4 28.Qh4+/-) 27.Qh4 Re6 (better is 27...Ba2!? 28.Re2 Re6+/-) 28.g5 Rae8? (better is 28...Ree8+–) 29.Bb3 (29.f5 Nf5 30.ef5 Re1 31.Ne1 Ba2+–) 29...R6e7 (29...Nb5 30.Re2+–) 30.g6 (30.Nd4 Nd4 31.g6 Bb3 32.ab3 Nf7 33.Qh7 Kf8+–; 30.Bd4?! Bb3 31.g6 Nd4+=) 30...Rf8 1–0. Jonsson,Pall G (1825) – Lemery,Jon Thor, Reykjavik Open, 2016.

7.Be2 Nbd7 8.Bb2 Nb6=+.