10.0-0 Bc7 11.Nc3 Nf6 12.Nb5 Bb8 13.d4 a6 14.Nc3 cd4 15.Nd4 Nd4 16.ed4 b5 17.Bf3 Ra7 18.g3 Bb7 19.Re1 Re8 20.Re8 Qe8 21.Qb3 Bf3 0–1. carocan (1745) – 1964jk (1650), internet, 2013.

10.0-0 Bc7 11.d4 cd4 12.Nd4 Nd4 (12...Qd6!? 13.g3 Bh3=) 13.Qd4+= Qg5 14.Nd2?? (14.h4 Qf6+=) 14...Nf6 (better is 14...Bb6 15.Qe4 Ne3–/+) 15.Nf3+= Qh6 16.Rfc1 Bb8 17.Qh4 Qg6 18.Bf6 gf6 19.Rc4 Kh8 20.Rac1 Be6 21.Rb4 Rg8 22.g3 b6 23.Qe4 Bd6 24.Qg6 fg6 25.Rb2?? Ba3–+ 26.Rc6 Bb2 27.Re6 Rge8 28.Rd6 Rad8 29.Rc6 Rc8 30.Rd6 Red8 31.Re6 Rc7 32.Kg2 Kg7 33.a4 Kf7 34.Re4 Rc2 35.Bc4 Kf8 36.Bb3 Rc3 37.Ba2 Ba3 38.Nd4+= Rd7 39.Be6 Re7 40.f4? Bc5 41.Nc6 Re8 42.f5 Re3 43.Re3 Be3 44.g4 Kg7 45.Na7 gf5 46.gf5 Ra8 47.Nc8 Ra4 48.Kf3 Bc5 49.h4 Rh4 0–1. carocan (1805) – atesz (1855), internet, 2011.

10.0-0 Bc7 11.d4 Qf6 12.Nc3 (12.Qb3 Qf5 13.dc5 Re8+/–) 12...Nc3= 13.Bc3 Bg4 14.Qc2 (14.Rb1!? b6 15.Rc1=) 14...Bf3+= 15.Bf3 cd4 16.Bc6? (16.Bd4 Nd4 17.ed4 Qf4+=) 16...dc3?? (better is 16...Qc6 17.ed4 Ba5–+) 17.Bb7+= Rab8 18.Rab1 Rfd8 19.Be4 g6 20.Rfd1? Rd1 21.Qd1–/+ Qe5 22.Rb8 Bb8 23.Qc2 Qh2 24.Kf1 Qe5 25.Bd3 Kg7 26.Ke2 h5 27.f4 Qc5 28.Kf3 Bc7–+ 29.Qa4 Bb6 30.Qe4 f5 31.Qe5 Qe5 32.fe5 Kf7 33.e4 Ke6 34.ef5+= gf5 35.Kf4 Bc7 36.Bf5 Kd5–/+ 37.Be4 Kd4 38.Bc2 Be5 39.Kg5 Ke3 40.Kh5 Kd2 41.Ba4 c2 42.Bc2 Kc2 43.g4 a5 44.g5 a4 45.g6 a3 46.Kh6 Kb2 47.g7 Bg7! 48.Kg7 Ka2 (48...Ka2 49.Kg6 Kb3 50.Kf5 a2 51.Kf4 a1Q 52.Ke4 Kc4 53.Kf5 Kd5 54.Kf4 Qe5 55.Kf3 Qe4 56.Kf2 Qf4 57.Ke2 Ke4 58.Kd1 Kd3 59.Ke1 Qh2 60.Kf1 Ke3 61.Ke1 Qe2) 0–1. marvis (1660) – csabichess (1945), playok.com, 2012.

10.0-0 Bb7 11.h3 Qd6 12.a3 Ba5 13.Qb3 Rad8 14.Bc4 (14.Rd1 a6=) 14...Nce7 (14...a6 15.a4=+) 15.Be5 (15.Rd1 Qg6=) 15...Qg6=+ 16.Bd3 f5 (16...Qh6 17.Bg3=+) 17.Nh4 (17.Bc7! Rde8 18.Bb5=) 17...Qh5 18.Nf3 Qg6 19.Nh4 Qh5 20.Nf3 Qg6 ½-½. Fast__Furious (1840) - Lance5500 (2370), lichess.org, 2017.

10.0-0= Re8 11.a3 Ba5 12.d4 (12.Nc3 Bf5=) 12...cd4+= 13.Nd4 Ne5 (13...Bb7!?+=) 14.Nf3= Nc6 (14...Nf3!? 15.Bf3 Bb7=) 15.Qc2+/– Nce7 16.Rd1 Qc7 17.Qc7 Nc7 18.Nbd2 Ned5 (18...Rd8 19.Rac1 Ba6 A) worse is 20.Rc7 Be2 21.Rdc1 A1) 21...Rd2? 22.Nd2 Bd2 23.R1c2+– (23.Re7?! Bc1 24.Bc1 Rc8=); A2) 21...Nd5=; B) 20.Nc4+/–) 19.Rac1 Bd2 (19...Ba6 20.Ba6 Na6 21.Nc4+/–) 20.Rd2+– Bb7 (20...Bg4 21.Bd3 Rac8 22.Ne5+–) 21.Nh4 g6 22.Bf3 Re7 (22...Rac8 23.g4 Ba8 24.Rdc2+–) 23.g4 Rae8 24.Ng2 1–0. Benassi,Aspasio – Bilsel,Sabahaddin, TKM/SF/01, 2001.

10.0-0 Bf5 11.d3 Rfe8 12.a3 Ba5 13.Qc2 Rad8 14.Rd1 b6 15.Nh4 Bd7 16.Nf3 Rc8 17.Nbd2 Nd4 18.Bd4 cd4 19.Nc4 de3 20.Nd6 Rc2 21.Ne8 Re2 22.Nd6 Bc3 23.Rac1 ef2 24.Kf1 Ra2 25.Nc4 b5 26.Ncd2 Ne3 27.Kf2 Nd1 28.Rd1 Ra3 29.Ke3 Ba5 30.Ke2 Bb6 31.Ne5 Be6 32.Rb1 f6 33.Nef3 Bf5 34.Ne4 a6 35.Nfd2 Bg4 36.Nf3 Ra2 37.Ned2 Bf3 38.gf3 Ba5 39.Rd1 Kf7 40.d4 Ke6 41.f4 Kd5 42.h4 Rd2 43.Rd2 Bd2 44.Kd2 Kd4 45.f5 0–1. EXchess 3.11 – Fritz 6, 2002.

10.a3 Ba5 11.Qc2 Re8 12.Nc3 Nc3 13.dc3 Qh6 14.0-0 Bc7 15.Qb3 Ne5 16.g3 c4 17.Qb4 Bd6 18.Qa4 Bg4 19.Ne5 Be2 20.Rfe1 Qh5 21.Qc2 Qe5 22.Qe2 Qe6 23.Rad1 Be5 24.Qf3 b5 25.Rd2 Rad8 26.Red1 Rd2 27.Rd2 a6 28.Rd5 h6 29.Kg2 f5 30.Rc5 g5 31.Qd5 Qd5 32.Rd5 Kg7 33.f4 gf4 34.ef4 Bf4 35.Rd7 Kg8 36.gf4 Re2 37.Kg3 Rb2 38.Rd8 Kg7 39.Rd7 Kg6 40.Re7 Rb3 41.Re6 Kh5 42.Ra6 Rc3 43.Kf2 Kg4 44.a4 b4 45.Rh6 b3 46.a5 b2 47.Rb6 Rb3 48.Rg6 0–1. Comet B25 – Fritz 6, 2002.

10.Qc2 Rd8 11.0-0 Bd7 12.Ng5 Qh6 13.f4 b6 14.Bd3 g6 15.a3 Ba5 16.Qb3 Be6 17.Bc4 Kf8 18.e4 Nc7 19.Be6 Ne6 20.Ne6 fe6 21.Qe6 Nd4 22.Bd4 Rd4 23.f5 Kg7 24.f6 Kh8 25.Ra2 Rf8 26.Qe7 Rdd8 27.f7 Rd4 28.e5 Re4 29.e6 g5 30.Rf6 Qg7 31.d3 Re3 32.Raf2 b5 33.R6f3 Re1 34.Rf1 g4 35.Rf4 Rf1 36.Kf1 Qh6 37.Qf8 Qf8 38.e7 Qe7 39.f8Q Qf8 40.Rf8 Kg7 41.Rb8 Bb6 42.Nc3 b4 43.ab4 cb4 44.Rb7 Kg6 45.Nb5 Bc5 46.Na7 Kf6 47.Nc6 h5 48.Nb4 h4 49.h3 gh3 50.gh3 Bd6 51.Ke2 Be5 52.Kf3 Kf5 53.Nd5 Ke6 1–0. COMP – COMP, 15 minutes, 2002.

10.Nc3 Rd8 11.Nb5 Qg6 12.0-0 a6 13.Na3 Bh3 14.Ne1 Nf4 15.ef4 Rd2 16.Qb3 Re2 17.Qh3 Rb2 18.Nc4 Re2 19.a3 Be1 20.Rae1 Nd4 21.Kh1 Qe4 22.Qc3 Rd8 23.Re2 Qe2 24.Ne3 b6 25.Qc1 Ne6 26.f5 Nf4 27.Kg1 Qa2 28.Rd1 Ne2 29.Kf1 Rd1 30.Qd1 Nd4 31.a4 b5 32.ab5 ab5 33.f6 h6 34.fg7 b4 35.Kg1 b3 36.Nf1 b2 37.Nd2 Qa1 38.Nb1 Ne2 39.Kf1 Nc3 40.Nc3 0–1. Doctor 3.0 – Fritz 6, 2002.

10.0-0 Ba5 11.Qc2 Qe7 12.Na3 Bc7 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Nb4 16.Qb1 (16.Qe4!?+=) 16...Ba2–/+ 17.Ra2 Na2 18.Qa2 Be5 19.Be5 Qe5 20.Bb5 Rab8 21.Bc4 Rb2 22.Qa5 Rfb8 (22...Qe7!?–+) 23.Qa7–/+ Qf6 24.h3 h6 25.d3 Qf5 26.Kh2 R2b7 27.Qa5 Rb2 28.Qc7 (28.Qa7!?=) 28...Rc8–/+ 29.Qb7?? (better is 29.Qg3–/+) 29...Rf8 (better is 29...Rb7 30.Ba6 Rbb8 31.Bc8 Qd3–+) 30.Qb2+– 1–0. orangutanb4 (2005) – rufusek1980 (1665), internet, 2011.

10.0-0 Qc7 11.d4 cd4 12.Nd4 Nd4 13.Qd4 f6 14.Rc1 Qe7 15.a3 Ba5 16.Nc3 Rfd8 17.Nd5 Rd5 18.Qe4 Rd2 19.Bc4 Rb2 20.Be6 Kf8 21.Qc4 Bb6 22.Qc3 Rb5 23.Bh3 Rd8 24.g3 Rbd5 25.Bg2 Rd3 26.Qb4 Qb4 27.ab4 Rb3 28.Rab1 Rb1 29.Rb1 Rd7 30.b5 Ke7 31.Kf1 Kd8 32.Ke2 Kc7 33.Rc1 Kb8 34.Bh3 Rd8 35.e4 a6 36.ba6 ba6 37.Be6 Re8 38.Bd5 ½–½. Williams,Barry M – Kingston,Zoe, NZCCA HT corr New Zealand, 1999.

10.0-0 Qe7 11.Qc2 Rac8 12.a3 Ba5 13.Nc3 Nc3 14.Bc3 Bc3 15.Qc3 Rfd8 16.d3 b6 17.Ne5 (17.Rac1 Bd5+=) 17...Bd5 (17...Qf6 18.f4–/+) 18.Nc6 Bc6 19.e4 Rd4 20.f4 Rcd8 21.Rf3 c4 22.dc4 Re4 23.Bd3 Qc5 24.Kh1 Qd4?? (better is 24...Red4 25.Rg3 Qd6–/+) 25.Be4+/– Qe4 26.Rg3 g6 27.Rf1 Qf4+= 28.Kg1 Qd6 29.Re3 h5 30.h3 Qc5 31.Kh2 Qg5 32.Rg3 Qc5 33.Qf6+– Qf8?? 34.Qc6 Qe7 35.Qf3 h4 36.Rg4 Qe5 37.Kh1 Qe7 38.Qf4 Re8 39.Rh4 Qe6 40.Qh6 Qe5 41.Qh7 Kf8 42.Qf7 (42.Rf7) 1–0. bananinha (1645) – daraco (1685), playok.com, 2012.

10.0-0 h6 11.Qc2 Rc8 12.a3 Ba5 13.Rc1 Nce7 14.Nc3 Nc3 15.dc3 c4 16.Rd1 Qc7 17.Nd4 Bd5 18.e4 Bc6 (18...Be6!?+=) 19.Bc4+/– Qf4 20.Nc6 Rc6 21.Bb3 Bc7 22.g3 Qf3 23.Rd2 Ng6 (23...Be5 24.Rd7 Rc7 25.Rad1+/–) 24.Bd5 Ra6 25.c4 (25.Qd1 Ne5 26.c4 Rb8+–) 25...Nf4? (25...Be5 26.Qd1 (26.Bb7 Nh4 27.Kf1 Qg2 28.Ke2 Rf6–+) 26...Qf6 27.Rb1+/–) 26.e5 (26.gf4 Rg6 27.Kf1 Qg2 28.Ke2 Qg4 29.Kd3 Qf3 30.Kd4 Bf4+/–) 26...Nh3 (26...Nd5 27.cd5 (27.Rd5?! Rc6 28.Qd1 Qe4+=) 27...Ba5 28.Rd3+–) 27.Kf1 Qh5 28.Rd4 (28.Rd4 Nf2 29.Qf2 (29.Kf2?! Qh2 30.Bg2 Be5+=) 29...Be5 30.Rh4+–; worse is 28.Bb7 Rb6 29.Bg2 Ng5+–) 1–0. Fritz 11 – pamsky, 2013.

10.a3 Ba5 11.Qb3 Kh8 12.0-0 b6 13.d4 cd4 14.Bc4 Nde7 15.ed4 Bg4 16.d5 Bf3 17.Qf3 Ne5 18.Be5 fe5 19.Qb3 Rc8 20.Rd1 Nf5 21.Ba6 Rc5 22.Qa2 Nd4 23.Bc4 Qh4 24.f4 Rf4 25.g3 Qh5 26.Rd4 Rd4 27.Qf2 Kg8 28.Bb3 Rc1 29.Kg2 Qf7 30.Qf7 Kf7 31.h4 Rd3 32.Ba4 Be1 33.g4 Rg3 34.Kh2 0–1. Doctor 3.0 – Comet B25, 2002.

10.Qb3 Be6 11.a3 Ba5 12.Qb7 Qe8 13.Qb3 Nf4 14.Bc4 Rb8 15.Be6 Ne6 16.Qc2 Rf7 17.0-0 Rfb7 18.Bc3 Qd7 19.Ba5 Na5 20.Nc3 Nb3 21.Rad1 a6 22.d3 Qd8 23.Rb1 Qa5 24.a4 Qd8 25.Rfe1 Qd7 26.Kh1 Rb4 27.Re2 Qd8 28.Kg1 R8b7 29.Ree1 Qb8 30.Red1 h6 31.Kh1 Kf7 32.Re1 g6 33.h4 Kg7 34.h5 gh5 35.Red1 Ng5 36.Nh2 Rh4 37.f4 Na5 38.Rb7 Qb7 39.Qf2 Rh2 40.Kh2 Qb4 41.fg5 Qc3 42.d4 fg5 43.Rf1 Qb3 44.Qf8 Kh7 45.Rf6 Nc6 46.Rh6 1–0. Fritz 6 – Comet B25, 2002.

10.Bc4 Be6 11.Ng5 Nf4 12.Qc2 Ng2 13.Kd1 Bg4 14.Kc1 g6 15.Rg1 Ne3 16.fe3 Bh5 17.Rf1 Nd8 18.Ne4 Ba3 19.Na3 Bd1 20.Qc3 Qb2 1–0. Fritz 5.32 – EXchess 3.11, 2002.

11.Ng5 g6 12.0-0 Bf5 13.Qb3 Qb3 14.ab3 Bb1 15.Rab1 Bd2 16.Ne4 Ba5 17.Rbd1 Ncb4 18.Bc4 Nb6 19.Nf6 Kg7 20.Nd7 Kg8 21.Nf8 Nc4 22.bc4 Kf8 23.Rd7 b6 24.Rfd1 a6 25.Bf6 b5 26.cb5 ab5 27.Rb7 Na6 28.Rdd7 Bc7 29.h3 b4 30.Kf1 c4 31.Rbc7 Nc7 32.Rc7 b3 33.Rc4 Rb8 34.Bb2 Ke7 35.Ke2 h5 36.Kd3 Ke6 37.h4 Rb5 38.Re4 Kd7 39.Kc4 Kc6 40.Re7 Rf5 41.f4 Kd6 42.Ba3 Kc6 43.Kb3 Rd5 44.Kc4 Ra5 45.Bb4 Ra2 46.Rf7 Rg2 47.Rf6 Kc7 48.Kd5 Kd7 49.Rf7 Kc8 50.Kc6 Rc2 51.Bc5 Rd2 52.e4 Rd8 53.e5 g5 54.e6 Rh8 55.Rb7 Rd8 56.e7 Rd5 57.e8Q Rd8 58.Qe6 Rd7 59.Qd7 1–0. COMP – COMP, 15 minutes, 2002.

11.Ng5 g6 12.0-0 Bf5 13.e4 Nf4 14.Bc4 Bg4 15.Qb3 Qb3 16.ab3 Bd8 17.Nf3 Bf3 18.gf3 Nd4 19.Bd4 cd4 20.d3 Bh4 21.Na3 a6 22.Nc2 b5 23.Bd5 Nd5 24.ed5 Rfd8 25.Nb4 a5 26.Nc6 Rd5 27.Ra5 Ra5 28.Na5 Rg5 29.Kh1 Rc5 30.f4 Rc3 31.Kg2 Rd3 32.Nc6 f5 33.b4 Rd2 34.Na7 Rb2 35.Nc6 d3 36.Ne5 Rb4 37.Nd3 Rd4 38.Rd1 b4 39.Kf3 b3 40.Ke3 Bf6 41.Rb1 b2 42.Kd2 h5 43.Kc2 Kg7 44.Nb2 Rf4 45.Nd3 Rh4 46.Rh1 f4 47.Nc5 f3 48.Kd3 g5 49.Ne4 Be7 50.Kd4 g4 51.Ng3 Kg6 52.Kd5 Rh3 53.Ne4 Bd8 54.Kc6 Bg5 55.Kd5 Bf4 56.Rb1 Rh2 57.Rb6 Kg7 58.Rb7 Kf8 59.Ke6 Ke8 60.Rd7 Be5 61.Ra7 Bb8 62.Ra8 Kd8 63.Rb8 Kc7 64.Rb5 h4 65.Rc5 Kb6 66.Rg5 g3 67.fg3 Re2 68.Kd5 h3 69.Rg6 Ka5 70.Rc6 h2 71.Rc1 f2 72.Rh1 Kb6 73.Kd4 Kc6 74.g4 Kd7 75.g5 Ke6 76.Ng3 Re1 77.Rh2 Rg1 78.Rf2 Rg3 79.Rf6 Ke7 80.Rf5 Rg2 81.Ke3 Ke6 82.Ra5 Rc2 83.Kd3 Rb2 84.Kd4 Kf7 85.Ke3 Kg6 86.Kf3 Rb3 87.Kg2 Rb2 88.Kf1 Rh2 89.Ke1 Rh5 90.Ra6 Kg5 91.Ra5 Kg6 92.Rh5 Kh5 ½–½. COMP – COMP, 15 minutes, 2002.

11.Ng5 g6 12.Qb3 Bf5 13.Na3 Qb3 14.ab3 Bd8 15.h4 h6 16.g4 Bd7 17.Ne4 Be7 18.g5 Na5 19.Nc4 Nb3 20.Ra3 b5 21.Rb3 bc4 22.Bc4 Nb6 23.Bf6 Bc6 24.Be7 Be4 25.f3 Rfb8 26.Be2 Bd5 27.Rb5 Nc4 28.Rb8 Rb8 29.Kf2 Nd2 30.Rd1 Bf3 31.Bf3 Nf3 32.Kf3 hg5 33.hg5 a5 34.Bf6 Kf8 35.Rh1 Ke8 36.Rh8 Kd7 1–0. COMP – COMP, 15 minutes, 2002.

11.Ng5 g6 12.Bc4 Ncb4 13.Qb3 Qd8 14.Ne4 Qb6 15.Nbc3 Nc3 16.Bc3 Rd8 17.Nf6 Kf8 18.Nh7 Kg8 19.Ng5 Nd3 20.Ke2 Qb3 21.ab3 Bc3 22.Bf7 Kg7 23.dc3 Kf6 24.Rhd1 Bg4 25.f3 Ne5 26.Rd8 Rd8 27.Ne4 Kf7 28.fg4 c4 29.Ra7 cb3 30.Rb7 Ke6 31.Rb3 Ng4 32.Rb6 Ke5 33.Ng5 Ra8 34.Nf3 Kd5 35.Rg6 Ra2 36.Nd2 Nh2 37.e4 Kc5 38.Kd3 Ra3 39.g4 Kb5 40.Kd4 Ra2 41.Nc4 Ra6 42.Ra6 Ka6 43.Ne5 Nf1 44.Kd3 Ng3 45.Ke3 Kb6 46.Kf3 Nf1 47.g5 Kc7 1–0. COMP – COMP, 15 minutes, 2002.

11.a3 Ba5 12.Nc3 Bf5 13.e4 Nd4 14.Nd4 cd4 15.Na4 Qg6 16.ef5 Qg2 17.Rf1 Rfd8 18.Nc5 b6 19.Nb3 Rac8 20.Qb1 Nc6 21.Qd3 Qh2 22.Rc1 Qf4 23.Rc4 Qh4 24.Na5 ba5 25.Qg3 Qf6 26.Rg1 Re8 27.Kd1 Red8 28.Rc5 Ne7 29.Ra5 Rd7 30.Ra6 Nc6 31.Bf3 Rb7 32.Bc6 Rb2 33.Be4 Rb6 34.Ra7 h5 35.Rh1 Ra6 36.Rc7 Rc7 37.Qc7 h4 38.Qb8 Kh7 39.Qf8 g5 40.Bd3 Ra7 41.f4 Ra3 42.Qa3 Kh6 43.Qf8 Kh5 1–0. Fritz 6 – EXchess 3.11, 2002.

11.Bd3 Ng6 12.Nc3 Bg4 13.a3 Bf3 14.gf3 Bc3 15.Qc3 f6 16.Bg6 hg6 17.Qc2 Rad8 18.Rb1 Qa6 19.Qg6 Rf7 20.Rg1 Ne7 21.Qh6 Nf5 22.Qh5 Qd3 23.Rd1 Qc2 24.Bc3 Rfd7 25.f4 Rd6 26.h3 c4 27.Ba5 b6 28.Bc3 a6 29.Bb4 Rd5 30.Qg6 a5 31.Bc3 Qc3 32.Qe8 Re8 33.dc3 Rd3 34.Rd3 cd3 35.Kd2 Rd8 36.e4 Nd6 37.Kd3 Nb5 38.Kc4 Na3 39.Kb3 Nb5 40.e5 Kf7 41.h4 Nc7 42.ef6 Kf6 43.f5 b5 44.Rg6 Kf5 45.Rg7 Ne6 46.Ra7 Nc5 47.Ka3 b4 48.cb4 Rd3 49.Ka2 ab4 50.Ra5 Rc3 51.Rb5 b3 52.Kb2 Rc2 53.Kb1 Rc4 54.Kb2 Kg4 55.f4 Kf4 56.Rb8 Kg4 57.h5 Kh5 58.Rh8 0–1. Comet B25 – EXchess 3.11, 2002.

11.Bd3 Ng6 12.Bg6 hg6 13.0-0 Bg4 14.Ne5 Ne5 15.Be5 Rad8 16.a3 Ba5 17.d4 cd4 18.Bd4 Qa6 19.f3 Bf5 20.Qb2 Bd3 21.Rc1 Rc8 22.Nd2 Rfe8 23.Bg7 Bd2 24.Bh6 Be3 25.Be3 Rc1 26.Rc1 b5 27.Qd4 Qa3 28.Bh6 f6 29.Ra1 Qe7 30.Qd3 Kh7 31.Bd2 Qc5 32.Kf1 Re7 33.Bc3 Qb6 34.Qd4 Kg7 35.Qb6 ab6 36.Rb1 Rc7 37.Bd4 Rd7 38.Bb6 Rd5 39.Ke2 g5 40.Ke3 f5 41.Bd4 Kf7 42.Rb4 Ke6 43.f4 g4 44.Rb3 Kd6 45.Bb6 Kc6 46.Ba5 Rd1 47.Rc3 Kb7 48.Rc5 Ka6 49.Bd2 Rh1 50.Rf5 Rh2 51.Kf2 Kb6 52.Kg3 Rh6 53.Kg4 Kc6 54.Bb4 Rh1 55.Rc5 Kb6 56.Rd5 Rc1 57.Rd3 Rc4 58.Rb3 Kc6 59.Kf5 Rd4 60.g4 Kd7 1–0. Doctor 3.0 – EXchess 3.11, 2002.

10.0-0 Bf5 11.Bc4 Rad8 12.a3 Ba5 13.Qc1 Nb6 14.d4 cd4 15.Bd4 Nc4 16.Qc4 Nd4 17.Nd4 Be4 18.Qe2 Bg2 19.Kg2 Rd4 20.Qh5 Qe4 21.f3 Rd5 22.fe4 Rh5 23.Rf5 0–1. Vieito,Victor – Adla,Diego, Nigran, 1997.

10.0-0 Bg4 11.a3 Ba5 12.Qa4 Bh5 13.Nc3 Nb6 14.Qf4 Rad8 15.Rfd1 Rfe8 16.Qg3 f5 17.d3 Rd6 18.Nh4+/– Bg6 19.Nb5 Rd7 20.Ng6 hg6 21.Qg6 +=. Brauer – Kahn, corr, 1976.

10.Qc2 Rd8 11.a3 Ba5 12.0-0 Bg4 13.h3 Bh5 14.Nc3 Nc3 15.Bc3 Rac8 16.Rfd1 Bc3 17.dc3 Bg6 18.Qa4 h6 19.Rd8 Rd8 20.Rd1 Rd1 21.Qd1 Qe6 22.Bb5 Ne5 23.Ne5 Qe5 24.Qb3 ½–½. Taner,Harun (1995) – Steamboat,Brian (1885), CL3–2009.02.01, 2009.

10.Qc2 Bg4 11.h3 Be6=+ 12.a3 Ba5 13.0-0 Rfd8 14.Rc1 Bb6 15.Bd3 h6 16.Nc3 Nc3 17.Qc3 f6 18.Qc2 Qd7 19.Bc4 Bc4 20.Qc4 Qd5 21.Qa4 Rd7= (21...Rd7 22.Rab1 Rb8=). Koslowski,Volker (2005) – Killer,Oliver (2065), desc–online.de, 2003.

11.a3 Ba5 12.Qa4 Bf5 13.d3 Rac8 14.Rd1 Ne3 15.fe3= Qe3 16.Kf1 Re8 17.Ng1 c4 18.d4 Re4? 19.Bc1 Rf4 20.Nf3 Rf3 (20...Rf3 21.Bf3 Bd3 22.Rd3 Qe1#) 0–1. Bakker,Piet – Jadoul,Michel, Holland, 1989.

11.a3 Ba5 12.Qc2 Bg4 13.Nc3 Nf6 14.Rfd1 Bf3 15.Bf3 Ne5 16.Be2 Rac8 17.Ne4 Ne4 18.Qe4 Ng6 19.Qf5 Bd2 20.Rd2 Rd2 21.Qc8 Nf8 22.Bc3 Rc2 23.Bd4 Re2 24.Qg4 cd4 25.Qe2 (25.Qe2 b5 26.Re1 Qa3 27.Qb5+/–) 1–0. Jacobi,KH – Stankiewicz,Z, corr, 1975.

11.Qc2 Bg4 12.a3 Ba5 13.d3 Rac8 14.Qa4? Ne3!–+ 15.Rc1 c4 16.Ne5 Ne5 17.Qa5 Be2 18.Be5 Qg5 19.g3 Ng4 20.f4 Qh5 21.h4 Ne3 22.Qe1 cd3 23.Nd2 Nc2 24.Qf2 Na1 25.Ra1 Rc2 26.Qa7 Qg4 27.Kf2 f6 28.Qa5 Re8 29.Bc3 Bd1 30.Qd5 Qe6 31.Qe6 Re6 32.Rd1 Rc3 33.Kf3 Ra3 34.g4 Re7 35.f5 Ra2 36.Nc4 d2 (36...d2 37.Rd2 Rd2 38.Nd2 b5–+; better is 36...b5 37.Nd6 d2 38.Nb5–+) 0–1. Heinsohn,Thomas (2220) – Heinemann,Dieter (2305), Oberliga Nord W, 2000.

11.Qc2 Bg4 12.Rc1 Nf4 13.ef4 Qe2 14.Re1 Qb5 15.Ng5 Qd3–/+ 16.Qd3 Rd3 17.h3 Bf5 18.g4 h6 19.gf5=+ hg5 20.fg5 Rd5 21.a3 Ba5 22.f6 Rg5 23.Kf1 g6 24.Nc3 Rd8 25.Rad1 Rf5 26.Re4 Bc7 27.Nb5 Be5 28.Be5 Ne5 29.Na7 Nd3 30.Re2 Rf6 31.Nb5 Kg7 32.Nc3 Rh8–+ 33.Ne4 Rh3 34.Kg1 Rf4 35.Rb1 Rg4 36.Ng3 Nf2 37.Kf2 Rgg3 38.Re3 Re3 39.de3 Rh2 40.Kf3 Ra2 41.Rb7 Ra3 42.Rc7 Ra5 43.Kf4 Rb5 44.e4 Kf6 45.Rc6 Ke7 46.Kg5 Rb4 47.Kf4 Rb5?? 48.Kg5 Ra5 49.Kh6 Ra4 50.e5 Re4 51.Rc5 Ke6 52.Kg7 Re5 53.Rc6 Kd5 (53...Kd5 54.Rc7 Rf5–+) 0–1. Kutuzov,Denis – Yandemirov,Valeri, It (open) Moscow (Russia), 2007.

11.Na3 Rac8 12.Nc4 b5 13.a3 bc4–/+ 14.ab4 cb4 15.Bc4 Ne3! 16.fe3 Bc4 17.Rf2 f6 18.Nh4 Qd7 19.Nf5 a5 20.Qh5 Bf7 21.Qh4 Bg6 22.Qc4 Kh8 23.Nh4 Bd3 24.Qc5 Ne5 25.Qa5 Nc4 26.Qb4 Rb8 27.Rf6 Rfc8 (27...Rfc8 28.Qa4 Qa4 29.Ra4 Nb2–+; 27...Rb4?? 28.Rf8#) 0–1. Teichmann,Erik – Wallace,John Paul, 37th Begonia, 2003.

11.Qc2 f5 12.Bc4 a6 13.a3 Ba5 14.d4 cd4 15.Bd4 Bc7 16.Nbd2 Rac8 17.Qa2 Rfd8 18.Nb3 b5 19.Be2 Nb6 20.Qb1 Na4 21.Rc1 Bd6 22.Bd3 g6 23.Rf1 Ba3 24.Qd1? Nd4 25.Nfd4? Nb2 26.Qe2 Bb3 27.Rfb1 Bc4 28.Bc4 Nc4 29.h3 Rd4 (29...Rd4 30.Ra2 Rd6–+) 0–1. Kemenyova,Ingrid – Storm,Ingemar, Degerfors Sweden, 1978.

10.0-0 a6 11.h3 Bf5 12.Qb3 b5 13.d3? (better is 13.Qd1–/+) 13...Nf4!–+ 14.ef4 Re2 15.Rd1?? (15.Ng5 Bg6 16.a3 Qd3 17.Qd3 Bd3 18.Bc3–+) 15…Na5 (15...Na5 16.Qb4 cb4–+) 0–1. Hal1958 – PurpleKnight25, playchess.de, 2004.

10.0-0 Bf5 (--> 9.Bb2 Bf5 10.0-0 Re8).

10.Qc2 Qe7 11.0-0 Bg4 12.h3 Bh5 (12...Be6 13.Rc1=) 13.Nc3 (better 13.a3!? Ba5 14.Qf5+=) 13...Bc3=+ 14.Bc3 Rad8 15.a3 Bg6 16.Qb3 Nc3 17.Qc3 Ne5 18.Ne5 Qe5 19.Qe5 (19.Rfd1 Qg5=) 19...Re5 20.f4 Red5 21.Bc4 Rd2 22.f5 Bh5 23.g4 Rc2 24.Rac1 Rc1 (24...Rdd2!? 25.Rc2 Rc2+/-) 25.Rc1+/- Bg4 26.hg4 Kf8 27.Be2 b6 28.Kf2 Ke7 29.e4 Kf6 30.Ke3 Ke5 31.g5 (31.Bc4 Rd4 32.Bd5 Ra4+/-) 31...h6 32.gh6 gh6 33.Rh1 (33.Bc4 Rd4 34.Bd5+=) 33...Rd6 (33...Rd4!?=) 34.Bc4 (better 34.Rh5 Rd4 35.f6 Kf6 36.Rh6 Kg7 37.Rh3+/-) 34...f6? (better 34...Rd4!? 35.Bd5 Ra4+/-) 35.Bd5 (35.Rh6 Rd4 36.Bd3 Ra4+-) 35...b5 36.Rh6?? (better 36.a4 ba4 37.Rh6 Rd5 38.ed5+-) 36...Ra6+/- 37.Rh7 Ra3 38.Kd2 c4 (38...Kf4 39.Rc7+/-) 39.Re7 (39.Rb7!? Ra2 40.Kc3 Ra3 41.Kb4 Rb3 42.Kc5+/-) 39...Kd4+= Black plans c3 40.Rd7 Ra2 41.Ke1 Ke3 (better 41...Ra1 42.Ke2 b4=) 42.Kf1?? (better 42.Kd1+=) 42...Rf2 (better 42...Ra1 43.Kg2 c3-/+) 43.Kg1? (better 43.Ke1!? c3 44.Kd1-/+) 43...c3-+ 44.Bb3? (44.Rc7 b4 45.Rc6-+) 44...Rb2 45.Bd1 b4 (better 45...Ke4 46.Kf1 Kf5 47.Ra7 b4-+) 46.e5 b3?? Black intends c2 (better 46...fe5 47.f6 c2 48.Bc2 Rc2-/+) 47.ef6 (better 47.e6 Re2 48.Be2+-) 47...c2=+ 48.f7 c1Q?? (better 48...Rb1 49.f8Q Rd1 50.Kg2 Rd7 51.Qc5 Kf4=+) 49.f8Q+- Rd2 (49...Rg2 50.Kg2 Qc6 51.Kg3 Qd7 52.Bb3 Qd3+-) 50.Qh6 Ke4 51.Qd2 (51.Qh4 Ke5 52.Qg3 Kf5 53.Qg4 Kf6 54.Qg7 Kf5 55.Qf8 Ke5 56.Qe8 Kf5 57.Rf7 Kg5 58.Qg8 Kh6 59.Qg7) 51...Qc5 (51...Qd2 52.Rd2 Kf5 53.Bb3 Ke5+-) 52.Kg2 Qc6 53.Bf3 Ke5 (53...Kf5 54.Bc6 a6 55.Qd5 Kg6 56.Qe6 Kg5 57.Rg7 Kf4 58.Rg4) 54.Bc6 (54.Qd4 Kf5 55.Rf7 Kg5 56.Qe5 Kg6 57.Qg7) 54...b2 (54...Kf6 55.Qh6 Ke5 56.Bf3 Kf5 57.Rd5) 55.Qd4 Kf5 56.Rd6 (56.Rg7 b1Q 57.Bd7) 56...Kg5 (56...b1Q 57.Qf6 Kg4 58.Bf3) 57.Rf6 (57.Qe5 Kg4 58.Rd4) 57...Kh5 (57...b1Q 58.Qf4 Kh5 59.Rh6) 58.Qf4 (58.Qf4 b1Q 59.Rh6; 58.Qe5 Kg4 59.Rf4) 1-0. opperwezen (2705) - Chess_Network (2465), Yearly SuperBlitz Arena, lichess.org, 2017.

11.a3 Bc7 12.Nc3 a6 13.d4 cd4 14.Nd5 Qd5 15.Nd4 Qd6 16.Nf3 Qg6 17.Bd3 Qh6 18.Rc1 Bg4 19.h3 Be6 20.Nd4 Bh3 21.Qf3?? Bg4!!–+ (21...Bg4 22.g3 Bf3 23.Nf3 Bg3–+) 0–1. Auger,Bertrand – Larochelle,Martial, 2000.

11.a3 Qd6 12.Nc3 Nc3 13.dc3 Qd1 14.Rfd1 Bf5 15.Rd5 Be4 16.Rc5 b6 17.Rg5 g6 18.h4 Bf5 19.h5 h6 20.Rg3 g5 (better is 20...Rac8!?+/–) 21.Ng5!+– Kf8 (21...hg5 22.Rg5 Double attack (22.Rg5 Decoy)) 22.Nf3 Re6 23.Nd4 Nd4 24.cd4 Be4 25.Rc1 Rd8 26.f3 Bd2 (26...Bd5 27.e4 f5+–) 27.fe4 Bc1 28.Bc1 Rc8 29.Bd2 Rc2 30.Bb4 Ke8 31.Bb5 Kd8 32.e5 Rb2 33.Bc4 Rc6 34.Bf7 Rc1 35.Kh2 a5 36.Bd6 Rbb1 37.Rg8 Kd7 38.Rg7 Kd8 39.e6 (39.e6 Kc8 40.e7 Rh1 41.Kg3 Rh3 42.Kh3 Rh1 43.Kg4 Rh4 44.Kh4 Kd7 45.e8Q Kd6 46.Qd8 Kc6 47.Be8#; 39.Be6 Rh1 40.Kg3 Rh3 41.Bh3 Ke8 42.e6 Rf1 43.Rg8 Rf8 44.Rf8#) 1–0. Djurisic,D (1990) – Nikolovska,D (1685), Spring Open, Belgrade SRB, 2009.

11.a3 Bc7 12.Nc3 Nc3 13.Bc3 Bf5 14.Qb3 b6 15.h3 (15.Qb2 f6=) 15...Bd3+= 16.Bd3 Qd3 17.Rfd1 Ne5 (17...Rad8 18.Ne1 Qg6 19.d4+=) 18.Ne1= Qc4 19.Qb2 f6 20.d4 cd4 21.Rd4 Qc6 22.Rc1 Qb7 (22...Rac8 23.Qb3 Qe6 24.Qe6 Re6 25.Ba1=) 23.f4 (23.Qb3 Kh8+=) 23...Nc6 (23...Nf7 24.Rd7 Qc8 25.Qd2+=) 24.Rc4 Rac8 (worse is 24...Re3 25.Bd2 Bf4 26.Rf4+/–) 25.Bf6 (better is 25.Qb3 Kh8 26.Bb4 Nb4 27.ab4=) 25...Bf4?? (better is 25...Na5 26.R4c2 gf6 27.Qf6 Bd8 (27...Re3? 28.Rc7 Qc7 29.Rc7 Re1 30.Kf2 Rc7 31.Qd8 Kf7 32.Qc7 Re7 33.Qc2+–) 28.Rc8 Bf6 29.Re8 Kf7=) 26.ef4+– gf6 27.Qf6 Ne7 28.Qg5 Kf7 29.Nf3 Rc4 30.Ne5 Kf8?? 31.Qf6 Kg8 32.Qf7 (32.Qf7 Kh8 33.Qe8 (33.Nc4?! Rg8 34.Ne3 Qe4 35.Qf6 Rg7+–; 33.Qc4?! Rc8 34.Qf1 Rf8+/–) 33...Ng8 34.Rc4+–; 32.Nc4 Qd5 33.Ne5 b5+–; 32.Rc4?! Nd5 33.Qg5 Qg7 34.Qg7 Kg7+–) 1–0. orangutanb4 (2055) – dieterthoma (2010), internet, 2011.

11.Nc3 Bc7 12.Nd5 Qd5 13.d4 cd4 14.Nd4 Nd4 15.Qd4 Qd4 16.Bd4 (16.ed4?? Re2 17.Rfe1 Re1 18.Re1 Be6–+) 16...Be6 17.Rfc1 Bd6 18.h3 Ba3 19.Rc7 Bd5 20.f3 Bc6 21.Ba6 Bd6 (better is 21...Rac8 22.Rc8 Rc8=) 22.Bb7+/– (worse is 22.Rb7 Bb7 23.Bb7 Rab8+=) 22...Bc7 23.Bc6 Bb6 24.Be8 Re8 25.Bb6 ab6 26.Kf2 Ra8 27.Ke2 f6 28.Kd3 Kf7 29.Kc4 Ra3 30.e4 Re3 31.Rg1 Re2 32.a3 Rb2 33.g4 g5 34.Rf1 Ra2 35.Kb4 Rh2 36.Kb5 Ra2 37.Kb6 Ra3 38.Kc5 Ra2 39.f4 Kg6 40.e5 gf4 41.ef6 Kf6 42.Rf4 Kg5 43.Rd4 Ra3 44.Rd5 Kg6 45.Rh5 Rg3 46.Kd4+/– Rg1 47.Ke4 Re1 48.Kf3 Rf1 49.Kg2 Ra1 50.h4 Ra2 51.Kf3 Ra3 52.Ke4 Ra4= 53.Kf3 Ra3 54.Kf4 Ra4 55.Kf3 Ra3= ½–½. nizinna – lmickey (1660), internet, 2011.

11.d4 cd4 12.Nd4 Bc7 13.Bd3 +=.

11.d4 Qf6 12.Qc1 (12.Qb3 Nf4 13.Bd1 c4 14.Qc4 Ng6+/–) 12...Bg4 (12...cd4!? 13.Nd4 Bc7+=) 13.dc5+= Qg6 14.Qc4 Rad8 15.Bd3 (15.Rd1 Re4 16.Qc2 Bf5=) 15...Qh5 (15...Ne3 16.fe3 Rd3 17.Ng5–/+) 16.Nbd2 (16.Be4=) 16...Bc7 (16...Ne3 17.fe3 Bd2 18.Nd2 Ne5 19.Be5 Re5+–) 17.Be4?? (better is 17.h3 Be6 18.Qb5+=) 17...Ne3!–/+ 18.fe3 Rd2 19.Nd2?? (19.Qc3 Rb2 20.Qb2 Bf3 21.gf3+= (21.Bf3? Qh2 22.Kf2 Qh4 23.Ke2 Nd4 24.Kd1 Nf3 25.Rf3 Be5–+)) 19...Qh2 20.Kf2 Bg3 0–1. mete61 – fourknights7, playok.com, 2013.

11.a3 Ba5 12.d4 Qf6 13.Qc1 (better is 13.Bc4!? is an interesting alternative 13...Nc7 14.Qc1 cd4 15.Rd1=) 13...Nf4=/+ Black threatens to win material: Nf4xe2 14.Bc4 (better is 14.ef4 Re2 15.Nc3 Bc3 16.Qc3–/+) 14...Ng2–+! Deflection: f1 15.Nbd2 (15.Kg2 Bh3 Deflection) 15...Bd2 16.Nd2 Nh4 17.Kh1 Bh3 18.Bd5 (18.Rg1 Qf2 19.Bd5 Re3 20.Nf1–+ (20.Bc6?? capturing the knight is not a good idea 20...Rf3 21.Qf1 Bf1 22.Raf1 Qd2–+)) 18...Qg5 19.Rg1 Qd5 20.e4 (20.f3 Re3 21.Qc4 Qc4 22.Nc4 Re2–+) 20...Re4 21.f3 (21.Qc4 Bg2! Clearance: e4 22.Rg2 Re1 23.Re1 Qg2) 21...Re2 22.dc5 Rd2 23.Rg7 (23.Qc3 cannot change destiny 23...Qf3 24.Qf3 Nf3 25.Rg7 Kf8 26.Rg8 Kg8 27.Rg1 Ng1 28.Kg1 Rb2 29.a4 Re8 30.cb6 Re1) 23...Kf8 24.Qc3 (24.Qd2 doesn't improve anything 24...Qd2 25.Rag1 Nf3 26.Rg8 Ke7 27.Bf6 Kf6 28.R8g6 hg6 29.Rg6 fg6 30.cb6 Bg2) 24...Rd1 25.Rg1 (25.Qe1 cannot undo what has already been done 25...Qd2 26.Rf7 Kf7 27.Rd1 Qg2) 25…Bg2# 0–1. Grosmelder,Karl – Ivanov,Michail (2510), Moscow–ch sf Silent, 1998.

11.d4 Bb7 12.a3 Ba5 13.dc5 bc5 14.Qc2 +=.

11.d4 Bb7 12.Qb3 Na5 13.Qc2 cd4 14.Nd4 Rc8 15.Qf5 Nc4 16.Bc4 Rc4 17.Rc1 (17.Rd1 Rc5 18.Qh3 Nf6+=) 17...Rc1–/+ 18.Bc1 Nc3 (better is 18...Bc5 19.Bd2 Ne3 20.fe3 Bd4–+) 19.Nd2?? (19.Bd2 Be4 20.Qg4 f5+=) 19...Qc7 (better is 19...Qd4! 20.Rb1 Ne2 21.Kh1 Nc1–+) 20.Bb2+= Ne4 (20...Re5 21.Qf4+=) 21.Rc1 (21.Qb5 Qe7 22.Nf5+–) 21...Qd6 22.Ne4 Be4 23.Qg5 f6 24.Qg3 (24.Qg4!?=) 24...Qg3+= 25.hg3 (25.fg3? Bd2 26.Rf1 Be3 27.Kh1 Bd4 28.Bd4 Bd5–+) 25...Bd2 (25...Bd6!?+=) 26.Rc7= a5 27.Ba3 Bd3 (27...h5 28.Be7=) 28.Rb7 b5 (28...Bc3!?=) 29.Nb5+= Rc8 30.Nd4 Rc3 (better is 30...Bc3!?+=) 31.Bd6 1–0. marvis (1715) – sq112, internet, 2013.

11.d4 Bb7 12.dc5 Bc5 13.Nc3 Nc3 14.Bc3 Qd1 15.Rfd1 Rad8 16.a4 Rd1 17.Rd1 Rd8 18.Rd8 Nd8 19.Kf1 a5 20.Nd4 Nc6 21.Nb3 Bd6 22.g3 Nb4 23.Bd4 Bc7 24.Bb5 Bc6 25.Bc6 Nc6 26.h3 f5 27.g4 g6 28.f3 Kf7 29.Ke2 Ke6 30.Kd3 Kd5 31.e4 fe4 32.fe4 Ke6 33.Kc4 h5 34.Kb5 hg4 35.hg4 Nd4 36.Nd4 Ke5 37.Nb3 Ke4+= 38.Kc6 Bd8–/+ 39.Kd7 Bf6?? 40.Kc6 Bd8 41.Nd2 Kf4–/+ 42.Nc4 Kg4 43.Nb6 Bb6?? 44.Kb6= Kf5 45.Ka5 g5 46.Kb6?? g4–+ 47.a5 g3 48.a6 g2 49.a7 g1Q 50.Kb7 Qb1 51.Ka8 Qe4 52.Kb8 Qb4 53.Ka8 Qc5 54.Kb8 Qb5 55.Ka8 Ke6 ½–½. carocan (1720) – patalah (1900), internet, 2011.

11.d4 Bb7 12.Nbd2?? cd4–+ 13.Nd4 Nd4 14.Bd4 Nc3 15.Qe1?? (better is 15.Bc3 Bc3 16.Nf3 Ba1 17.Qa1–+) 15...Ne2 16.Qe2 Qd4!! (16...Qd4 17.Nf3 Qg4–+) 0–1. carocan (1705) – patalah (1915), internet, 2011.

11.d4 Rb8 12.a3 Ba5 13.Qc2 =.

11.d4 Qf6 =.

11.Qc2 Ba5 12.Rc1 Bb6 13.Ng5 (better is 13.a3!?=) 13...Qh6–/+ 14.Nf3 Ncb4 (14...Ndb4!? 15.Qb3 Be6–/+) 15.Qd1 Bf5 16.Rc4 (16.Qb3 Be6 17.Qa4=) 16...Re4 (16...Nd3!? 17.Qb3 Nb2 18.Qb2 Nb4+=) 17.Re4 (17.a3!? Rc4 18.Bc4+=) 17...Be4+= 18.Ne1 (18.Nc3 Nc3 19.Bc3 Bc7=) 18...Bc7 19.h3 (19.g3 Rd8–/+) 19...Qd6 20.g3 Qh6 21.Bf1 Rd8 (21...Qe6 22.Qg4 Qg4 23.hg4–/+) 22.a3 Nc6 23.Nc3 Nc3 24.Bc3 Bf5 (24...Be5 25.Be5 Ne5 26.Qa4+=) 25.Kh2 (25.Nf3 Bh3 26.Qb3 b6–/+) 25...Ne5 (better is 25...a6–/+) 26.f3? (26.Rc1 Qe6–/+) 26...Nc6 (better is 26...Nc4! 27.Qe2 Qd6–+) 27.f4–/+ Ne7 28.Qf3 Nd5 29.Be5 Be5 (29...Qb6 30.Rd1 Be5 31.fe5–/+) 30.fe5 Be6 31.Rd1 Qg5 32.Rc1 (32.Nd3 c4 33.Nf4 b5+=) 32...Qe5 (32...Nb6 33.Rc2 Qe5 34.Bg2–+) 33.Nd3 Qf6 34.Qf6 Nf6 (34...gf6?! 35.Nc5 (worse is 35.Rc5 Nb6 36.Kg1 Bh3 37.Bh3 Rd3=) 35...Rc8 36.e4+=) 35.Rc5 Ne4 36.Rc2 Rc8 (36...Kf8 37.Bg2 Bf5 38.g4 Rd3 39.gf5 Nd2 40.a4+=) 37.Rb2+= b6 (37...Bc4!?+=) 38.Nf4= Rc1 39.Bg2 (39.Be2 Bd7=) 39...Nd6+= 40.d3 (40.Ne6 fe6 41.a4 Kf7+=) 40...Rc3 41.a4 (41.Rb4 Nf5 (41...Ra3? 42.Rd4+–) 42.Re4 Ra3+=) 41...Bd7 (41...Nf5 42.a5 ba5 43.Nd5+=) 42.Rb4 Nf5 43.e4 Ne7 44.Rd4 Be8 45.Rd8 Kf8 46.d4 (46.Ra8!? a5 47.Rb8=) 46...Rc8+= 47.Rd6 Ba4 48.e5?? (better is 48.Kg1+=) 48...Nf5–+ 49.Rd5 (49.Kg1 Nd6 50.ed6 Rd8–+) 49...Bc6 50.Rd8 (50.g4 Bd5 51.Nd5 Nd4 52.Kg3–+) 50...Rd8 51.Bc6 Nd4 (51...Nd4 52.Be4 a5–+) 0–1. Mihailov,Dimitri (1765) – Petrushev,Nikita (1970), St Petersburg RUS, Chigorin Mem, 2014.

11.Qc2 Bg4 12.Ng5 Qh6 13.Nf7 Qh5 14.Bg4 Qg4 15.Nd6 Re6 16.Qf5 Qf5 17.Nf5+/– Nf6 18.Nc3 Ne5 19.Nb5+/– Ba5 20.Bc3 a6+= 21.Na3 Bc3= 22.dc3 b5 23.Rad1 Ne4 24.Nb1 g6 25.Ng3 Ng3 26.hg3 c4 27.Rd4 Nd3 28.Nd2 Nc5 29.Rd1 Kf7 30.Kf1 Rae8 31.Ke2 R8e7 32.Rd8 Na4 33.Nb1 Rb7 34.R1d4 Nc5 35.Rc8 Ne4 36.g4 Rbe7 37.Rdd8 h6 38.Rg8 Kf6 39.Rgd8 Kg7 40.Rb8 Nf6 41.Rd4 Ne4 42.f3 Ng3= 43.Kf2 Nh1 44.Kg1 Re3 45.Kh1+= Re1 46.Kh2 Rb1 47.Rb6 Rb2 48.Rdd6 g5 49.Rg6 Kh7 50.Rh6+/– (50.Rh6 Kg7 51.Ra6 Ra2 52.Rag6 (52.Ra2?! Kh6 53.Kg3 Re3+=) 52...Kf7 53.Rg5+–) 1–0. Barash,Danny – Margulis,Isaak, California, 1995.

11.Qc2 Rc8 12.a3 Ba5 13.Qc5 a6 14.Nd4 Bb6 15.Ne6 Re6 16.Qc1 Nd4 17.Qd1 Ne2 18.Qe2 Rc2 19.Ra2 (19.Nc3 Rb2 20.Na4–+) 19...Ne3 20.fe3 (20.de3 Re2 Pinning (20...Re2 Deflection); 20.fe3 Re3) 20...Re3!! (20...Re3 21.Qd1 Re1 22.Kh1 Rd1 23.Rd1 Qd5–+) 0–1. Teichmann,Erik O M C – Cruz,Cristhian, 24th Montcada Open, 2016.

11.Qc2 Rc8 12.a3= Ba5 13.Qc5 Bb6 14.Qb5+= Na5 (14...a6 15.Qd3+=) 15.Nc3 (15.Bd4 Nc6 16.Bb6 Nb6+=) 15...a6 (15...Rc5 16.Qa4=) 16.Qa4+= Nc4 17.Nd5 (17.Rfb1 Ba5 18.Nd5 Bd5=) 17...Nb2= 18.Qb3 (18.Qb4 Bd5 19.Qb2 Bc7+=) 18...Bd5 19.Qb2 Rc6 (19...Bc7 20.d3=) 20.Rac1 Rg6 21.g3 Rf6 22.Ne5+= Rfe6 23.d4 Bc7 24.Nd3 Rf6 25.Qc2 Bb8 26.Qd1 Qe7 27.Nb4+/– Be4 28.f3 a5 29.fe4 ab4 30.e5 Rh6?? 31.ab4 Kh8 32.Bb5 Rd8 33.Qg4 f6 34.Rc8 fe5 35.Rfc1 Rhd6 36.Qe4 Rf6?? 37.Qb7!! (37...Bd6 38.Rd8 Qd8 39.Rc8 Qc8 40.Qc8 Rf8 41.Qc4+–) 1–0. Gorbylev,Aleksandr – Grechihin,Valery (2495), Ch World (for the Deaf), 1996.

11.Qc2 Qe7 12.a3 Ba5 13.Rc1 =.

11.a3 Ba5 12.Qc2 Bg4 13.h3 Bd7 14.Nc3 Nc3 15.Bc3 Bc3 16.Qc3 Rad8 17.Rfd1 b6 18.d4 cd4 19.Nd4 Nd4 20.Rd4 Rc8 21.Qd2 Be6 22.a4 Red8 23.a5 Rd4 24.Qd4 ba5 25.Ra5 Rc1 26.Kh2 Qc7=+ 27.Qe5 Qe5 28.Re5 Kf8 29.Ra5 Rc2 30.Bg4 Ra2 31.Rc5 Bb3 32.Rb5 Ra3 33.Rb7 a5 34.Bd7 a4 35.Ra7 Ra2 36.Ba4? Ra4–+ 37.Rb7 Bd5 38.Rc7 Ra2 39.Kg3 Ra6 40.f3 Rc6 41.Ra7 Rc2 42.h4 Bc4 43.Ra1 Ke7 44.e4 Kd6 45.Re1 Ke5 46.Rd1 h5 47.Re1 Kd4 48.e5 Re2 49.Re2 Be2 50.Kf4 Bd3 51.Kg5? Ke5 52.g3 Be2 53.f4 Ke4 54.f5 Ke5 (54...Ke5 55.f6 gf6 56.Kh6 Kf5–+) 0–1. Berlacki,Piotr (1950) – Prie,Eric (2445), Orange op, 1993.

11.a3 Ba5 12.d4 Bg4 13.Qb3 Rad8 14.dc5 Qc5 15.Rc1 Qe7 16.h3 Bh5 17.Rf1 (17.Ra2!?+=) 17...Nf4–/+ 18.Bd1 (18.ef4 Qe4 Double attack (18...Qe2 Pinning; 18...Qe2 Deflection; 18...Qe4 Decoy)) 18...Nd3 (18...Rd1 19.Qd1 (19.Rd1?? Nh3 20.gh3 Bf3–+) 19...Rd8 20.Qa4 Nh3 21.Kh1–+) 19.Nd4 (19.Nbd2 Nc5 20.Qa2 Bd2 21.Nd2 Rd2 22.Bh5 Na4–/+) 19...Bd1 (19...Bg6 20.Bc2 Nb2 21.Nc6 bc6 22.Qb2–/+) 20.Rd1? (better is 20.Qd3!? Ba4 21.Nd2–/+) 20...Nb2–+ 21.Qb2 Bb6 22.Nc3 Nd4 23.ed4 Bd4 24.Qb3? (better is 24.Rac1–+) 24...Qf6 25.Rac1 (25.Rd4 Qd4 26.Rd1–+) 25...Qf2 26.Kh1 Bc3 (better is 26...Qg3 27.Rd4 Re1 28.Re1 Qe1 29.Kh2 Qe5 30.Kh1 Qd4–+) 27.Qc3 g6 (27...Rd1 28.Rd1 g6 29.Kh2–+) 28.Rf1 (28.Rd8 Rd8 29.Qc7 Rd2 30.Qb7 Kg7–+) 28...Qe3 (28...Qh4 29.Qc7 Qe7 30.Qg3–+) 29.Qc7 Qe7–+ 30.Qf4 Rd7 31.Rb1 b6 32.Rbc1 Qa3 33.Rce1 Re1 34.Re1 Qd6 35.Qf3 Kg7 36.Qc3 Qd4 37.Qf3 a5 38.Qb3 a4 39.Qb5 a3 40.Qb3 Ra7 41.Qa2 b5 42.Rb1 b4 43.Rb3 h5 44.Kh2 h4 45.Kh1 Re7 46.Qb1 Qf2 47.Qa1 Kg8 48.Rb1 a2 49.Rg1 b3 50.Kh2 Qg3 51.Kh1 Qe5 52.Rf1 Qa1 53.Ra1 Kg7 54.Kh2 g5 55.g3 Re2 0–1. Kovalevsky,Sergey (2235) – Potkin,Vladimir (2610), St Petersburg RUS, Chigorin Mem Blitz, 2014.

11.Qc2 Bg4 12.Rc1 Nf4 13.Bd1 Bf3 14.Bf3 Nd4 15.Qd1? Nd3–/+ 16.Bd4 Nc1 17.Bc3? Nd3–+ 18.a3 Bc3 19.Nc3 Rad8 20.Qc2 c4 21.Nb5 a6 22.Nc3 b5 (22...b5 23.Be4 Qf6–+) 0–1. Wittstock,Gunther – Kuehn,U, corr DDR–ch M837, 1986.

11.Qc2 Bg4 12.Nc3 Nc3 13.Bc3 (13.dc3 Ba5=) 13...Bc3 14.Qc3 (14.dc3 Rad8=) 14...Ne5+= 15.Ne5 Be2 16.Rfe1 Ba6 ½–½. Hadzala,Daniel (2125) – Schmalz,Michal (2040), Ricany CZE, Open, 2012.

11.Qc2 Bg4 12.Nc3 Rad8 13.Rac1 ½–½. Poenisch,Eckehard (2210) – Meier,Wolfgang (2115), Oberliga Ost–A, 2000.

11.a3 Ba5 12.Qa4 Qd7 13.Qc4 b6 14.Rd1 Be6 15.Qh4 f6 16.Nc3 Nc3 (16...Nde7 17.Qa4=) 17.dc3+= Qc7 18.Bd3 h6 19.c4 Rad8 20.Bg6 (20.Qe4 f5 21.Qh4 Qe7+=) 20...Rd1= 21.Rd1 Rd8 22.Rf1 (22.Rd8 Qd8 23.Bc2 Bf5=) 22...Ne7=+ 23.Bb1 Nf5 24.Qh5 (24.Qe4 Qf7-/+) 24...Nd6 (24...Qf7 25.g4 Qh5 26.gh5-+) 25.Qg6 Bf7?? (better 25...Qf7 26.Qh7 Kf8-/+) 26.Qh7+/- Kf8 27.Nh4 Nc4?? (27...Bg8 28.Qh8 Kf7 29.Bd3+/-) 28.Ng6 (28.Bf6 Ke8 29.Bf5+-) 28...Bg6 29.Bg6 Nb2?? (better 29...Qd7 30.Qh8 Ke7 31.Qg7 Kd6 32.Qf6 Kc7+-) 30.Qh8 Ke7 31.Qg7 Kd6 32.Qf6 Kd7 (32...Kd5 33.Bf7 Qf7 34.Qf7 Kc6 35.Qf6 Rd6 36.Qb2 b5+-) 33.Bf5 (33.Qb2?! Kc8+/-) 33...Ke8 34.Qh8 (34.Qb2?! Kf7+-) 34...Ke7 35.Qg7 (35.Qb2?! Kf7+-) 35...Kd6 36.Qf6 (36.Qb2?! Qe7+-) 36...Kd5 37.Qe6 (37.Qb2?! Qe7+-) 1-0. Healey,M (2140) - Brunner,N (2425), 17th Nancy Rapid, 2019.

11.a3 Ba5 12.Qa4 Qd7 13.Rd1?? Nd4–+ 14.Qa5 (14.Qd7 Ne2 15.Kf1 Bd7 16.a4–+) 14...Ne2 15.Kf1 Bf3 16.gf3 (16.h3 Nef4 17.Qc3 Nc3 18.Rc1 Bg2 19.Kg1 Nce2 20.Kh2 Qh3) 16...Qh3 (16...Nef4 17.Qb4 Qh3 18.Ke1 Qf3 19.Qc4 Qh1 20.Qf1 Nd3 21.Ke2 N5f4) 17.Ke2 Nf4 18.Ke1 Qf3 19.Qb5 Ng2 20.Kf1 Ne3! 21.de3 Re3 22.Qb7 Qb7 23.fe3 Qb3 (23...Qf3 24.Kg1 Qd1 25.Kf2 Qc2 26.Nd2 Qd2 27.Kf3 Re8 28.Bg7 Re3 29.Kf4 Qf2 30.Kg5 Re4 31.Bc3 Rh4 32.Rd1 h6) 24.Ke1?? (24.Rd2 Qe3 25.Rf2–+) 24...Qe3 25.Kf1 Qf3 26.Ke1 Re8 27.Kd2 Rd8 0–1. Jeriominas,Jurijus – Valantiejus,Vaidotas (2055), Vilnius LTU, Open, 2014.

11.a3 Ba5 12.Qc2 Rc8 13.Qc5 Nf4 14.ef4 (14.Bd1 Nd3 15.Qb5-+) 14...Re2-/+ Increases the pressure on d2 15.Qg5 Qg5 16.fg5 Bf3 17.gf3 Bd2 18.Nd2 Rd2 19.Bc1 Rc2 20.Be3 Ne5 (20...b6 21.Rfd1=+) 21.f4= Nf3 22.Kg2 Nh4 23.Kh1 (23.Kh3 Ng6=) 23...b6 24.a4 Nf5 25.Rfe1 (25.Rfd1 h6=+) 25...Ne3 26.fe3 Kf8 27.Rad1 Ke7 (27...Ra2 28.Rd4-/+) 28.Rd4=+ a6 29.Red1 R8c7?? (better 29...b5=) 30.Re4 Kf8 31.Rd8 1-0. Gulie,C (2000) - Labrakopoulos,Alexandros (1620), 1st Plomari Open, 2019.

11.a3 Ba5 12.Qc2 Nf4 13.ef4 Re2 14.Ng5=.

11.a3 Ba5 12.d4 cd4 13.Nd4 Be2 14.Qe2 Qh4 (14...Nd4 15.Bd4 Nf4 16.Qb2 Ne2 17.Qe2 Qd4 18.Ra2= (worse is 18.ed4 Re2 19.Rd1 Rae8–+)) 15.Nc6 (better is 15.Nf5!? Qg5 16.Qf3+=) 15...bc6= 16.Qc2 Re6 17.Nc3 Rh6 18.h3 Rg6 19.Nd5 cd5 20.Qf5 Bc7 21.Rac1 Rg5?? (better is 21...Qd8+=) 22.Qd7+– Qe4 23.g4 (better is 23.g3 Bd6 24.Qd6+–) 23...Bd8+/– 24.Rc8 Rc8 25.Qc8 h5?? (better is 25...Qe7+/–) 26.Qd8+– Kh7 27.Qg5 (27.Qg5 Qg6 28.Qg6 Kg6 29.gh5 Kh6 30.Rd1+–) 1–0. emeryt85 (1720) – quietstorm (1715), internet, 2012.

11.a3 Ba5 12.d4 Qe7 13.Qb3 Rad8 14.dc5 Qc5 15.h3 Bh5 16.g4 Bg6–/+ 17.Qb5 Qe7 18.Rc1 Ne3 19.Rc6 bc6 20.Qe5?? Qe5–+ 21.Be5 Nc2 22.Ra2 Ne1 (22...Ne1 23.Bc3 Bb1 24.Ba5 Ba2 25.Bd8 Re2–+) 0–1. Zylla,Johannes – Adam,Stefan, corr SOK–90–54, 1990.

11.Na3 Qe7 12.Nc2 Ba5 13.Rc1 Rad8 14.Nce1? (better is 14.h3 Bh5 15.Bb5+=) 14...Ne3!–+ 15.fe3 (15.de3 Rd1 Pinning (15...Rd1 Deflection; 15...Rd1 Clearance); 15.fe3 Bd2 Decoy) 15...Bd2! 16.Kh1 (16.Nd2 Qe3 Double attack (16...Qe3 Decoy)) 16...Qe3 17.Bb5 (17.Nd2?? Be2 (17...Qe2?! 18.Qb3 Re7 19.Qc3+=; 17...Rd2?! 18.Bg4 Rd1 19.Rd1–/+; 17...Qd2?! 18.Qd2 Rd2 19.Bg4 Rb2 20.Bf3=) 18.Qb3 Qb3 19.ab3 Rd2–+) 17...Bc1 18.Qc1 Qc1 19.Bc1 Rd1 20.Nc2 Rf1 21.Bf1 Bf3 22.gf3 Nd4 23.Nd4 Re1 24.Ne2 Rf1 25.Kg2 Rd1 26.Kf2 Kf8 27.a4 Rd3 28.Be3 b6 29.a5 Ra3 30.ab6 ab6 31.Nf4 Ra2 32.Ke1 Ke8 33.Nd5 Rb2 34.Kd1 Kd7 35.Bc1 Rb3 36.Ke2 Kd6 37.Ne3 g6 38.Kd2 b5 39.f4 c4 40.f5 Ke5 41.fg6 hg6 42.Kc2 Kd4 43.Nf1 Rf3 44.Nd2 Rf2 45.Bb2 Ke3 46.Bc1 b4 47.Kd1 Kd3 48.Ke1 Re2 49.Kd1 c3 (49...c3 50.Bb2 c2 51.Kc1 Re1) 0–1. Shorokhov,Mikhail (2105) – Yasinsky,Vladimir (2340), Anapa op, 2009.

11.Qc2 Nf4 12.Bd1 Nd3–/+ 13.Nc3 (13.Bc3 a6–/+) 13...Qd7 (13...c4 14.Be2–/+) 14.Na4 b5 15.Nc3 Bf5 16.Nh4 Be6 17.a3 Ba5 (worse is 17...Nb2 18.Qb2 Bc3 19.dc3+=) 18.f4 (18.Be2 Bc4–/+) 18...Bc4 19.Rf3? (better is 19.Bf3 Rad8 20.Ne4 Nb2 21.Qb2 Bf1 22.Rf1–+) 19...Ne1 (better is 19...Nd4!? 20.Qb1 Bd8 21.g3–+) 20.Qc1 Nf3 (better is 20...Bd8!? 21.g3–+) 21.Bf3 g5 (better is 21...Bd3–+) 22.Nb5+= Bd2 23.Qc4 Be3 24.Kh1 gh4 25.Rd1 Nd4 26.Ba8 (worse is 26.Nd4 cd4 27.Qc5 h6 28.Ba8 Ra8–+) 26...Ra8 (26...Qb5? 27.Qb5 Nb5 28.Bc6+–) 27.Qc5?? (better is 27.Nc3 h3 28.Qd5 Qd5 29.Nd5 hg2 30.Kg2+=) 27...Qb5–+ 28.Qc3 (28.Qb5 Nb5 29.Rd5–+) 28...Re8 29.Bc1 (29.h3–+) 29...h3! 30.Qe1 (30.gh3 Qd5#) 30...hg2 31.Kg2 Qd5 32.Kh3 Qh5 33.Qh4 Qd1 34.Qg5 Kf8 35.Qc5 Re7 36.Qc8 Kg7 37.Qg4 Qg4 0–1. Jonsson,Pall G (1830) – Gschwendtner,S (2005), Reykjavik Open, 2015.

11.Qc2 Nf4 12.ef4 Re2 13.Ng5 g6–/+ 14.f3 Nd4 15.Qc4 Be6 16.Ne6 Re6 17.Nc3 Bc3 18.Bc3 Ne2 19.Kh1 Qh4 20.Rfe1 Rae8 21.Be5?? Re5!–+ (21...Re5 22.fe5 Qc4–+) 0–1. Sternik,Ryszard – Sobolewski,P, corr ICCF EU/M/GT/252 (year?).

11.Qc2 Nf4 12.ef4 Re2 13.Ng5 g6–/+ 14.h3 Nd4 15.Qc4 Be6 16.Ne6 Re6 17.Nc3 Qd6 18.f5 gf5 19.Nb5 Nb5 20.Qb5 Qd5 21.a3 a6?? 22.ab4+– Rc8 23.Qa4 Rg6 24.f3 Rcc6? 25.Rae1 Rg2 26.Kg2 Qd2 27.Kh1 Qb2 28.Re8 Kg7 29.Rg1 Rg6 30.bc5 Rg1 31.Kg1 Qc1 32.Kg2 Qd2 33.Kf1 Qc3? 34.Qf4 Qd3 35.Kf2 Qc2 36.Kg3 f6 37.Qc7 Kh6 38.Rh8 f4+– 39.Qf4 Kg7 40.Rb8 Qb1 41.Qg4 Kh6 42.Qh4 Kg7 43.Qg4 Kh6 44.Kh2 Qb2 45.Kh1 Qb1 46.Qg1 Qf5 47.Qe3 Kh5 48.f4 Qb1 49.Kg2 Qc2 50.Qf2 Qg6 (50...Qd3 51.Rb7 Qg6 52.Kh2+–) 1–0. Hauwert,Nicolaas – Boersma,Jan, NED–ch U18 Rotterdam, 1977.

11.Nc3 Nf6 12.h3 Bh5 13.Rc1 Rc8 14.a3 Ba5 15.Qc2 Nd4 16.ed4 cd4 17.Bb5 Re7?? 18.Nd4!+– Qd4 19.Nd5!! Rc2 20.Ne7 Kf8 21.Bd4 Rc1 22.Rc1 Ke7 23.Rc8 a6 24.Rb8 ab5 25.Rb7 Ke6 26.Bf6 1–0. LieutenantColumbo – StarterRook, ChessWorld.net, 2009.

11.Bc4 Qd7 12.Na3 Rad8 13.Nc2 (13.h3 Bf5–/+ (13...Bf3 14.Qf3 Ba3 15.Ba3 Ne5 16.Qd5 Qd5 17.Bd5 Rd5 18.Bc5) 14.Be2 Qe7 15.Qa4 a6 16.Rac1 Na5 17.Qd1 Nf4 18.Re1; 13.Be2 Nb6 14.d3 Bf3 15.gf3 Ne5 16.Nc2 Nd3 17.Bd3 Qd3 18.Qd3; 13.Rc1 Nb6 14.Bb3 Qf5 15.Nb1 Na5 16.Bc2 Qh5 17.Bc3 Bc3 18.Nc3; 13.Bb3 Qf5 14.Rc1 Ne5 15.Bc2 Nf3 16.gf3 Qf3 17.Nc4 Qh3 18.f3) 13...Ba5 (13...Nb6 14.Bb5 Bd2 15.h3–/+ Bf5 16.Na3 Bb4 17.Qd7 Bd7 18.Nc4) 14.d4 (14.h3 Bh5 15.Ba3 b6 16.Bb2 Qb7 17.Na3 Ne5 18.Be5) 14...Nc3 15.Qd3 (better is 15.Bc3!? Bc3 16.Rb1–/+ cd4 17.ed4 Bd4 18.Ncd4) 15...Bf3 (15...cd4 16.Nfd4 Ne5 17.Bc3 Nd3 18.Ba5) 16.gf3 Qh3 (16...cd4 17.ed4 Nd4 (17...Ne2 18.Kh1) 18.Nd4 Qd4 19.Qd4 Rd4 20.Rae1–/+; 16...Ne5 17.de5 Qd3 18.Bd3) 17.Rfc1? (better is 17.Bc3 Ne5! 18.de5 Rd3 19.Ba5 Re5 20.Bc7 Rg5 21.Bg3–/+) 17...Ne5!–+ 18.de5 (18.de5 Qh5 Double attack (18...Rd3 Pinning; 18...Rd3 Deflection; 18...Qh5 Decoy)) 18...Rd3 19.Bd3 Re5 20.f4 Rh5 21.Bc3 Bc3 22.Rab1 (22.Be4 Ba1 23.Na1–+) 22...Qh2 23.Kf1 Qh3 (23...Qh3 24.Ke2 Qg4 25.f3 Qg2 26.Kd1 Qd2) 0–1. Mercky,G (1905) – Prie,E (2520), 2nd Open, Gap FRA, 2008.

11.d4 cd4 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 +=.

11.d4 Qd7 12.h3 (12.a3 Ba5 13.dc5 Rad8+=) 12...Bh5 (12...Bf3 13.Bf3 cd4 14.Bd4=) 13.dc5 Bc5 14.Nbd2 (14.Nc3 Rad8=) 14...Rad8 15.Nb3 Bb6 16.Nbd4? (16.Re1 Bg6+=) 16...Nd4?? (16...Ne3 17.fe3 Re3 18.g4 Bg4 19.Rc1 Bh3 20.Rf2 Qg4 21.Kh1 Nd4 22.Bd4 Bd4 23.Rc4–+) 17.Nd4 (better is 17.Bd4!? Qd6 18.Qb3+=) 17...Be2 18.Qe2 f6 (better is 18...Ne3 19.fe3 Bd4 20.Bd4 Qd4 21.ed4 Re2–/+) 19.Rfd1+= Qf7 20.Qb5 a6 21.Qb3 Ba7 22.a4 Bb8 23.Rd2 Qc7 24.Nf3 Qf7? (better is 24...Qb6 25.Qa2 Qe6+=) 25.Rad1+– Bc7? (better is 25...Ne3 26.Qf7 Kf7 27.Rd8 Nd1 28.Rd1 b6+–) 26.Rd5 1–0. carocan (1795) – bigpikus (1700), internet, 2012.

11.h3 Be6 12.a3 Ba5 13.Qc2 =+.

11.h3 Bf3 12.Bf3 Qd6 13.Na3 Ne5 14.Be5+= Qe5 15.Nc4 Qe6 16.a3 b5 17.ab4 bc4 18.bc5 c3? 19.Qb3+– Red8 20.Bd5 Qd5 21.Qd5 Rd5 22.d4 f5 23.Rfc1 f4 24.Rc3 fe3 25.fe3 Kf7 26.Ra6 (26.Ra6 Rd7 27.c6+–) 1–0. Brzoza,Miroslaw – Wozniakowski,M, corr Poland, 1981.

11.h3 Bf3 12.Bf3 Ne5 13.Bd5 (13.Be4!?=) 13...Qd5+= 14.d4 Rad8 15.Nc3 Bc3 16.Bc3 cd4 17.Bd4 Nc6 18.Bc3 Qc4 19.Qb3 Qb3 20.ab3 Rd3 21.Bd4 (21.Rac1 Red8=) 21...Rb3 (better is 21...a6!?–/+) 22.Ba7= Na7 23.Ra7 f5 24.Rfa1 Kf7 25.Rc1 Re7 26.Rc4 g5 27.h4 h6 28.hg5 hg5 29.Rc5 Ke6 30.g3 Rb2 31.Ra1 Rd7 32.Kg2 Rdd2–/+ 33.Rf1 b5 34.g4= 1–0. carocan (1780) – figurola49 (1675), internet, 2011.

12.a3 Ba5 13.Qb3 Rb8 14.Nc3 Bc7?? (better is 14...Bc3 15.Bc3 Nf4+=) 15.Nd5+– Qd5 (15...Be5 16.Bc3 b5+–) 16.Qd5 (16.Qd5 Bf3 17.Bf3+–) 1–0. orangutanb4 (1995) – sierrzant1 (1705), internet, 2011.

12.Nc3 Nb6 13.a3 Ba5 14.Rc1 Qe7 15.Qb3 Rad8 16.Rfd1 Rd6 17.d3= Rh6 18.Ne4 c4 19.Qb5 a6 20.Qg5 Qg5+= 21.Neg5 cd3 22.Bd3 f6 23.Ne4 Na4 24.Ba1 Bf3 25.gf3 f5? 26.Bc4+– Kf8 27.Nd6 Re7 28.Nf5 Rg6 29.Kf1 Rc7 30.Rd3 Nc5 31.Rd5 Ne6 32.Rcd1 b5 33.Bb3 Rf7 34.f4 Ra7 35.Nd6 Rh6 36.Rf5 Kg8 37.Rc5 (37…Ncd8 38.f5 Rh3 39.fe6+–) 1–0. Manninen,Juha – Zylla,Johannes, corr ICCF TT–4–90 SF, 1995.

12.Nc3 Rb8 13.Nd5 Qd5 14.a3 =.

12.Nc3 Nf6 13.Rc1 Rc8 14.a3 Ba5 15.Na4 b6 16.d3 Qe7 17.Nh4 Be2 18.Qe2 Nd4 19.Qd1= Nd5 20.Qg4 Nf6 21.Qd1 Nc6 22.Qb3 Qe6 23.Qe6 fe6 24.Rfd1 Red8 25.Nf3 Rd5 26.Kf1 Rcd8 27.Ke2 Kf8 28.Bf6+/– gf6 29.d4 e5 30.dc5 e4 31.Nd4 Nd4 32.ed4 Rd4 33.cb6 ab6 ½–½. Piriyev,Maksat (2015) – Hammer,Jon Ludvig (2400), EU–Cup, 2007.

12.d4 cd4 13.Nd4 Be2 14.Ne2 Qd6 15.Nd4 Rad8 16.Nc6 Qc6 17.Qd4 f6 18.e4 Bc5 19.Qc4?? (better is 19.Qd3 Nf4 20.Qb3 Kh8 21.Nc3–+) 19...Bf2! 20.Rf2 (20.Rf2 Qc4 Discovered attack; 20.Kf2 Qc4 Discovered attack) 20...Qc4 21.ed5 (21.Nd2 Qc2 22.Bd4 Nf4–+) 21...Re1 22.Kh2 Qc5 23.Rf3 Qg1 24.Kg3 Re2 25.Nc3 (25.Kf4 Qg2 26.Bf6 g5 27.Kf5 Rd5 28.Be5 Rde5 29.Kf6 Qf3) 25...Qg2 26.Kf4 (26.Kh4 Qg5) 26…Qg5 0–1. Coskun,Selin – Vidic,Teja, Wch U10 Girls, 2007.

12.Nd4 Be2 13.Ne2 c4 14.d3 cd3 15.Qd3 Nc3 16.Qd8?? (better is 16.Nf4 Qd3 17.Nd3 Ne2 18.Kh1+=) 16...Ne2–+ (16...Rad8? 17.Bc3 Bd6 18.Nd2+–) 17.Kh2 Rad8 0–1. carocan (1755) – pompkafr (1895), internet, 2011.

11.Nc3 Be6 12.0-0 Nf6 13.Ng5 Ba5 14.a3 h6 15.Ne6 Re6 16.Rad1 a6 17.Bf3 Ra7 18.Ne2 Qe8 19.Rc1 Ne5 20.Be5 Re5 21.d4 cd4 22.ed4 Ree7 23.Ng3 Qf8 24.Rfd1 Re6 25.d5 Re5 26.d6 Rd7 27.Nf5 g6 28.Ne7 Kg7 29.Qb2 Rb5 30.Qe2 Rb3 31.Rc8 Rd8 32.d7 Nd7 33.Rd8 Qd8 34.Bg4 Bc3 35.g3 Ra3 36.Rd7 Qb8 37.Ng6 Kg6 38.Qf3 Qe8 39.Bh5 Kh7 40.Rf7 Kg8 41.Qf5 Ra1 42.Kg2 Bg7 43.Qg6 Qa8 44.Kh3 Qc8 1–0. COMP – COMP, 15 minutes, 2002.

11.Bd3 h6 12.a3 Ba5 13.0-0 Bg4 14.Be4 Rc8 15.Bh7 Kf8 16.Bf5 Bf5 17.Qf5 Kg8 18.Rc1 Re6 19.d3 Nde7 20.Qg4 Rg6 21.Qc4 Qd7 22.Ne5 Ne5 23.Be5 Rd8 24.Rd1 Rg4 25.d4 Rg2 26.Kg2 Qg4 27.Bg3 Qd1 28.dc5 Rc8 29.Qe4 Nd5 30.cb6 Bb6 31.Ra2 Nf6 32.Qf5 Rc1 33.Nd2 Qg1 34.Kf3 Qh1 35.Ke2 Qd1 36.Kd3 Rc5 37.Qf3 Rd5 38.Qd5 Nd5 39.Rc2 Nf6 40.Rb2 Ba5 41.Rb8 Kh7 42.Rb2 Nd7 43.Bd6 Qh5 44.Bb4 Bc7 45.f4 Qh3 46.Ke2 Qh2 47.Ke1 Nf6 48.Nc4 Qh1 49.Ke2 Qg2 50.Ke1 0–1. COMP – COMP, 15 minutes, 2002.

10.0-0 Nb6 11.a3 Ba5 12.Qc1 Qd7 (12...Na4!?+=) 13.Qc5+= Na4 14.Qc1 Rac8 15.Nc3 Nc5 16.Qd1 Nd3 17.Bd3 Bd3 18.Re1 Bc7 19.h3 Ne5 20.Nd4 Bc4 21.d3 (better is 21.Qa4!? Qa4 22.Na4=) 21...Nd3–/+ (21...Bd3?! 22.f4 Ba5 23.fe5 Bc3 24.Qd3 Bb2 25.Rab1=) 22.Re2 Qd6 23.f4 (23.Nf3 Ba5 24.Nb1 Rfd8–+) 23...Ba5 (23...Nb2?! 24.Rb2 Ba5 25.Rc2+=) 24.Ne4 Qe7 25.Ng5 (25.Ng3 g6 26.Rb1 Nb2 27.Reb2 Qe3 28.Kh2–+) 25...Nb2 26.Rb2 Qe3 27.Kh1 Bc3 28.Nf5 Qf4 29.Qh5 Qf5 30.Rf2 Qg6 31.Qg6 fg6 32.Rf8 Rf8 33.Rc1 Rf1 34.Rf1 Bf1 35.Kg1 Ba6 36.Nf3 Bb2 37.a4 Bc4 38.Nd2 Bd5 39.a5 1–0. orangutanb4 (2050) – jw313 (1830), internet, 2011.

10.0-0 Qd7 11.d4 Rad8 12.Nbd2?? (12.a3 Ba5=) 12...Bg6 (12...Nc3 13.Bc3 Bc3 14.Rc1 cd4 15.ed4 Bd4 16.Qa4–/+) 13.a3 (13.Rc1=) 13...Ba5 (better is 13...Bc3 14.Qc1 cd4–+) 14.Nb3+= cd4 15.Na5 Na5 16.Qd4 f6 17.Rfd1 Qe7 18.Qa4 Nc6 19.Bc4 Bf7 20.Bd4 a6 21.Rac1 b5–/+ 22.Bb5? ab5–+ 23.Qb5 Nd4 24.Nd4 Ne3! 25.Nc6 Rd1 26.Rd1–/+ Qe4 27.fe3 Qe3 28.Kh1 Qa3 29.Qb4 Qb4 30.Nb4 g5 31.Kg1 Kg7 32.Kf2 Kg6 33.Rd7 Be6 34.Rb7 f5 35.g3 h5 36.h4 gh4 37.gh4 f4 38.Nd3 Rf6 39.Ne5 Kf5–/+ 40.Nf3 Bd5 41.Rb5 Ke4 42.Ng5 Kd4–/+ 43.Rb4 Bc4 44.Kf3 Kc3 45.Ra4 Bd5–/+ 46.Kf2 f3 47.Nh3 Re6 48.Rf4?? Re2–+ 49.Kg3?? Kd3 50.Ng5?? f2 51.Rf2= Rf2 52.Kf2 Kd4 53.Kg3 Ke5 54.Nf3 Kf6 55.Nd4 Ke5 56.Ne2 Kf6 57.Kf4 Kg6 58.Ng3 Be6 59.Ne4 Bd5 60.Ng5 Be6?? 61.Nf3 Bd5 62.Ne5 Kf6 63.Nd7 (63.Nd7 Ke6 64.Nc5 Kd6 65.Na4=) 1–0. carocan (1785) – bigpikus (1710), internet, 2012.

10.0-0 Nde7 11.d4 cd4 12.Nd4 Nd4 13.Qd4 Qd4 14.Bd4 Nc6 15.Bc3 Rfc8 16.Bf3 a5 17.a3 Be7 18.Rc1 a4 19.Nd2 Na5 20.Bb2 Rd8 21.Bc3 Nb3=+ 22.Nb3 ab3 23.e4 Be6–/+ 24.Bd1 Ra3–+ 25.Ra3 Ba3 26.Rb1 b2! 27.Bc2 Ba2 (27...Ba2 28.Re1 Rc8–+) 0–1. Melich,Jindrich – Berzinsh,Roland, Liechtenstein op, 2003.

10.0-0 Nf6 11.d4= cd4 12.Nd4 Nd4 13.Bd4 (13.Qd4 Qd4 14.Bd4 Rac8=) 13...b6 (13...Qe7 14.Qb3=) 14.Nd2 (14.Qa4 Bd6=) 14...Rc8 15.Rc1 (15.Nc4 Qe7=) 15...Qe7 16.Nf3 (16.Nc4 Rfd8=) 16...Rc1 (16...Ne4 17.Qb3=) 17.Qc1 Rc8 18.Qa1 h6 (18...Ne8 19.Rc1=) 19.Rc1 (19.Bf6 Qf6 20.Qf6 gf6+=) 19...Rc1= 20.Qc1 Qe4 (20...Ne4=) 21.Nd2 (better 21.Bf6!? gf6 22.Nd4+=) 21...Bd2=+ 22.Qd2 Qb1 23.Bf1 (better 23.Bd1=+) 23...Bc2 (better 23...Be6 24.Qe2 Qa2=+) 24.Bf6+= gf6 25.Qd8 (25.a3 Bg6+=) 25...Kg7 26.Qd5 a6 (better 26...Qa1 27.Qc4 Bf5=) 27.h3 (better 27.a3!?=) 27...b5=+ 28.a3 Qd1 (better 28...Bb3!? 29.Qd3 Qa2=+) 29.Qd1+= Bd1 30.Bd3 Kf8 (30...Ba4 31.Kf1+=) 31.g3 (31.Kf1 Ba4+=) 31...Ke7 32.Kf1 Bf3 33.Ke1 Kd6 34.Kd2 Bg2 (34...Kc5 35.Kc3=) 35.h4 Kc5 36.Kc3 Bd5 (36...a5 37.Bc2=) 37.Bf5 a5 38.Bd3 (38.g4 b4 39.ab4 ab4 40.Kd3 Bc4 41.Kd2 Bf1=) 38...Bf3 (38...Be6 39.Be4=) 39.Bc2 Be2 (39...Bd5 40.g4=) 40.Kd2 (40.Bb3 b4 41.ab4 ab4 42.Kb2 Bc4=) 40...Bc4 41.Kc3 Be6 (41...Be2 42.Be4=) 42.f3 (42.Be4 b4 43.ab4 ab4 44.Kb2 Kc4=) 42...Bc4 (42...b4 43.ab4 ab4 44.Kb2=) 43.f4 (43.Be4 b4 44.ab4 ab4 45.Kc2 Bd5 46.Bd5 Kd5+=) 43...b4 44.ab4 ab4 45.Kb2 Kd5 (45...Be6 46.f5 Bd5 47.Bd3=) 46.Bf5 Kc5 47.Be4 (47.g4 Kd6+=) 47...Kd6 (47...Be6 48.f5 Bd5 49.Bd3=) 48.Kc2 (48.g4 Be6 49.Bf3 Kc5+=) 48...Ke6 (48...Be6 49.f5 Bd5 50.Bd3=+) 49.Kb2 (49.g4!? Kd6 50.h5+–) 49...f5= 50.Bf3 (50.Bc2 Bd5=) 50...Bd5 51.Be2 Kd6 (51...Kf6 52.Bd3=) 52.Bd1 (52.Bd3 Be6=) 52...Kc5 53.Bh5 (53.Bc2 Be6=) 53...f6 (53...Kc6 54.Bd1=+) 54.Be2 Bc4 (54...Kd6 55.Bd3 Be6 56.h5=) 55.Bf3 (55.Bh5 Kd6=) 55...Bd5 56.Be2 Bg2 (56...Be4 57.Kb3=) 57.Bd3 Bh3 58.Kb3 Bg4 59.Kc2 Kd5 60.Kd2 Bh3 61.Bc2 (61.Kc2!?=) 61...Kc4–/+ 62.Bd3 (62.Ba4 b3 63.Bd7 Kb4–+) 62...Kb3 63.e4 (63.Bb5 Bg2 64.Bd3 Be4 65.Be4 fe4–+) 63...fe4 64.Be4 Kc4 (64...Ka2 65.Bd5 Ka3 66.Be4–/+) 65.Bd3 Kd4 66.Bc2 (better 66.Bg6–/+) 66...Bg2 (66...Be6 67.Ba4–/+) 67.Ba4 (67.g4!?=) 67...Bd5=+ 68.Bc2? (better 68.g4=+) 68...b3–+ 69.Bd1 (69.Bh7 Be4 70.Bg8 b2–+) 69...b2 70.Kc2 (70.Bc2 h5 71.Bb1–+) 70…Bb3!! (70...Bb3 71.Kb2 Bd1–+) 0–1. Wilke,Hans_Peter (1655) – Kohlmeyer,D (1865), Lichtenberger Sommer, 2015.

10.Nc3 a6 A) 11.0-0 A1) 11...Qd6 12.Nd5 Qd5 13.d3 Bg4 14.h3 Be6 15.Qc2 Rac8 16.Rfc1; A2) 11...Qd7 12.Nd5 (12.Na4 b6 13.Bc4 Rab8 14.a3 Ba5 15.d3 Bg4 16.h3) 12...Qd5 13.d3 Be6 14.e4 Qd7 15.a3 Ba5 16.Qc1; A3) 11...Rc8 12.Qb3 (12.Rc1 Nc3 13.dc3 Ba5 14.Ba3 Qb6 15.Qa4 Rfd8 16.e4; 12.Re1 Qd6 13.e4 Bc3 14.dc3 Be4 15.c4 Rfd8 16.cd5; 12.a3 Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Qa2 Be6 16.c4; 12.Na4 Qe7 13.a3 Ba5 14.Rc1 b6 15.Ba6 Rc7 16.d3; 12.h3 Re8 13.a3 Ba5 14.Qb3 Nb6 15.Rfc1 h6 16.Bf1) 12...Nb6 13.a3 c4 14.Bc4 Nc4 15.ab4 Be6 16.Ne4; A4) 11...Nc3 12.dc3 Ba5 13.Qb3 Qe7 14.Rad1 Rfd8 15.h3 Bc7 16.c4; A5) 11...Ba5 12.Qb3 (12.Nd5 Qd5 13.Qb3 Qb3 14.ab3 Rac8 15.Rfc1 Bb4 16.Bc3; 12.h3 Nc3 13.dc3 Qd1 14.Rfd1 Rfd8 15.c4 Nb4 16.Bc3) 12...Nc3 13.Bc3 b5 14.Ba5 Na5 15.Qc3 Rc8 16.Rac1; A6) 11...h6 12.Qb3 (12.h3 Re8 13.Qb3 Be6 14.Qc2 c4 15.Nd5 Qd5 16.Rac1; 12.Na4 Qd6 13.a3 Ba5 14.Rc1 b6 15.d4 Rfd8 16.dc5; 12.a3 Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Qb6 Bb6 16.Nh4; 12.h4 Qd6 13.a3 Ba5 14.Nd5 Qd5 15.d3 Rfe8 16.e4) 12...Be6 13.Qc2 b5 14.a4 Qb6 15.ab5 Bc3 16.dc3; A7) 11...Nf6 12.Na4 c4 13.a3 Ba5 14.Nh4 Be6 15.Nc5 b5 16.Bf3; B) 11.Qb3 Be6 (11...Bc3 12.dc3 Na5 13.Qa3 Qc7 14.c4 Nb4 15.0-0 f6 16.Rad1; 11...Nc3 12.dc3 Ba5 13.0-0 Qe7 14.Rad1 Rfd8 15.Bc4 Rd1 16.Rd1; 11...Nb6 12.a3 Ba5 13.0-0 Bd3 14.Bd3 Qd3 15.Rac1 Rad8 16.Ng5) 12.Qc2 (12.Nd5 Bd5 13.Qc2 Re8 14.0-0 Rc8 15.a3 Ba5 16.Rac1) 12...c4 13.0-0 Rc8 14.Rfc1 Nb6 15.d4 Be7 16.e4.

10.Nc3 Bc3 11.dc3 A) 11...Nf6 12.0-0 (12.Qb3 Qc7 13.0-0 Ne4 14.Rfd1 Rad8 15.Rd8 Rd8 16.Rd1; 12.Qd8 Rad8 13.c4 Bc2 14.Rc1 Nb4 15.Ne5 Bf5 16.f3; 12.h4 Qc7 13.Qa4 Rad8 14.0-0 Bd3 15.Bd3 Rd3 16.Rad1) 12...Qc7 13.Qa4 Rfd8 14.Rfd1 Qb6 15.Qa3 Ne4 16.Qb3; B) 11...Be4 12.0-0 (12.Qb3 Na5 13.Qa3 Qc7 14.c4 Nb4 15.0-0 f6 16.Qc3; 12.Qa4 Re8 13.0-0 Qb6 14.Qb3 Rad8 15.Ng5 Bg6 16.Qb6) 12...Qe7 13.Nd2 Bg6 14.Qb3 Nf4 15.Bf3 Nd3 16.c4; C) 11...Qb6 12.Qd5 (12.Qb3 Rad8 13.0-0-0 h6 14.Qb6 ab6 15.h3 Rfe8 16.Rd2) 12...Qb2 13.0-0 g6 14.Bc4 Qb6 15.Qd1 Rad8 16.Qa4.

10.Nc3 Rc8 11.0-0 A) 11...h6 12.Nd5 (12.h3 Nb6 13.d3 Re8 14.Rc1 Qd7 15.Nh4 Bh7 16.Nf3; 12.Rc1 Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Rfd1 Rcd8 16.Ba3; 12.Re1 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Ba3; 12.a3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 15.Qb3 Na5 16.Qb5; 12.g3 Qd6 13.a3 Ba5 14.Qb3 Rfd8 15.Rfd1 Nc3 16.Bc3; 12.h4 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Ba3) 12...Qd5 13.a3 Ba5 14.Rc1 Rfd8 15.Bc4 Qd6 16.d4; B) 11...Rc7 12.Qb3 (12.g3 h6 13.Qb3 Nb6 14.a3 c4 15.Qa2 Bc3 16.dc3; 12.Nd5 Qd5 13.a3 Ba5 14.Rc1 Rd8 15.Bc4 Qd6 16.Qe2; 12.h3 Rd7 13.Rc1 Re8 14.Qb3 Bc3 15.Bc3 Nc3 16.Qc3; 12.Rc1 Bc3 13.Bc3 Qd6 14.Qb3 Rb8 15.Qa4 Rd8 16.Rfd1) 12...Nb6 13.a3 c4 14.Qa2 Bc3 15.Bc3 Bd3 16.Bd3; C) 11...Re8 12.Nd5 (12.h3 Re7 13.Re1 h6 14.Qb3 Nb6 15.a3 Ba5 16.e4; 12.Qb3 Nb6 13.a3 c4 14.Qa2 Ba5 15.Rfe1 h6 16.h3; 12.Rc1 Nc3 13.dc3 Ba5 14.Bc4 Qd1 15.Rfd1 Rcd8 16.Bd5; 12.a3 Nc3 13.dc3 Ba5 14.Bc4 Qd1 15.Rfd1 Rcd8 16.Ng5) 12...Qd5 13.a3 Ba5 14.Rc1 Rc7 15.Qa4 Be4 16.Qb5; D) 11...Nf6 12.a3 (12.Qb3 Na5 13.Qa4 a6 14.Rac1 b5 15.Qd1 Re8 16.h3; 12.Re1 Re8 13.a3 Bc3 14.Bc3 Nd5 15.Qb3 Nc3 16.Qc3; 12.h4 h6 13.a3 Bc3 14.Bc3 Nd5 15.Qb3 Nc3 16.dc3) 12...Bc3 13.Bc3 Ne4 14.Qb3 Qb6 15.Qb2 Rcd8 16.Bg7; E) 11...a6 12.Rc1 (12.Qb3 Nb6 13.a3 c4 14.Bc4 Nc4 15.Qc4 Bd3 16.Qa2; 12.Re1 Re8 13.Qb3 Be6 14.Qc2 c4 15.Red1 Ba5 16.Nd5; 12.h3 Qd6 13.Nd5 Qd5 14.d3 Be6 15.e4 Qd6 16.e5) 12...b5 13.a4 Rb8 14.ab5 Bc3 15.dc3 ab5 16.Ba3; F) 11...Nc3 12.dc3 Ba5 13.Qb3 Qe7 14.Rad1 Rfd8 15.Bc4 h6 16.Bd5; G) 11...Ba5 12.Nd5 (12.Qb3 Nc3 13.dc3 Qe7 14.Rad1 Rcd8 15.Bc4 Be4 16.Nd2; 12.Rc1 Ndb4 13.d4 cd4 14.ed4 Be6 15.a3 Nd5 16.Nd5) 12...Qd5 13.Rc1 h6 14.Bc4 Qd6 15.h3 Bd8 16.d4; H) 11...h5 12.Nd5 (12.h4 Rc7 13.Ng5 Nf6 14.a3 Ba5 15.Qc1 Bd3 16.Bd3; 12.h3 a6 13.Nd5 Qd5 14.d3 Be6 15.e4 Qd8 16.a3; 12.a3 Nc3 13.dc3 Ba5 14.Qb3 Qe7 15.h4 Rcd8 16.Rfd1; 12.Rc1 Nf6 13.Ng5 Ne5 14.d4 cd4 15.ed4 Nc6 16.d5) 12...Qd5 13.a3 Ba5 14.Rc1 Bc7 15.Ng5 Na5 16.Bf3; I) 11...Nb6 12.d3 (12.a3 Ba5 13.d3 Qe7 14.Qb3 Rfd8 15.Rfd1 Be6 16.Qc2; 12.Re1 c4 13.a3 Ba5 14.Nb5 Be4 15.Nfd4 Nd4 16.Bd4; 12.Na4 Qd6 13.a3 Ba5 14.Rc1 Na4 15.Qa4 Bb6 16.Bc4; 12.h3 c4 13.a3 Bc5 14.e4 Be6 15.a4 Qf6 16.Qb1; 12.Rc1 c4 13.Na4 Bd2 14.Qd2 Na4 15.Ba3 Re8 16.Qd8) 12...h6 13.Rc1 Qe7 14.Ne4 Be4 15.de4 Qe4 16.Bd3.

10.Nc3 g6 A) 11.h4 A1) 11...Qd6 12.Rc1 (12.Qb3 Rfd8 13.h5 Nc3 14.Bc3 Bc3 15.Qc3 Nb4 16.h6; 12.h5 Bc3 13.dc3 Rad8 14.Qb3 Na5 15.Qa3 Qb6 16.hg6; 12.Ng5 f6 13.Nge4 Qe5 14.f4 Nc3 15.Qb3 Qd5 16.Bc4; 12.0-0 Rfd8 13.Rc1 Nc3 14.dc3 Qd1 15.Rfd1 Ba5 16.Nd2; 12.Nb5 Qe7 13.a3 Ba5 14.0-0 a6 15.Nc3 Bc3 16.dc3; 12.a3 Bc3 13.dc3 Rfd8 14.0-0 Qc7 15.Qa4 Nb6 16.Qf4) 12...Bc3 13.dc3 Rad8 14.0-0 Na5 15.c4 Nb4 16.Qd6; A2) 11...Qd7 12.0-0 (12.Qb3 Rad8 13.h5 Bc3 14.Bc3 Ncb4 15.hg6 Nc3 16.Qc3; 12.h5 Bc3 13.dc3 Rad8 14.Qb3 Na5 15.Qa3 b6 16.Rd1; 12.Rc1 Nc3 13.dc3 Ba5 14.Qd7 Bd7 15.h5 Rad8 16.hg6; 12.a3 Ba5 13.0-0 Nc3 14.dc3 Qc7 15.Qb3 Qb6 16.Qa2; 12.Na4 b6 13.h5 f6 14.Nh4 Rad8 15.Nf5 Qf5 16.0-0) 12...Rfe8 13.Qb3 Be6 14.Qc2 Bc3 15.dc3 Bf5 16.Qb3; A3) 11...Bc3 12.dc3 Qb6 13.Qb3 Rad8 14.0-0-0 f6 15.Bc4 Be4 16.Nd2; A4) 11...Nb6 12.a3 (12.h5 c4 13.Rc1 Bd3 14.a3 Be7 15.Nb5 Be2 16.Qe2; 12.0-0 c4 13.a3 Ba5 14.h5 gh5 15.Nb5 Be4 16.Nbd4; 12.Rc1 Bd3 13.Bd3 Qd3 14.Qe2 Qf5 15.0-0 Rad8 16.e4) 12...Bc3 13.Bc3 Nd5 14.Qb3 Be4 15.Ng5 Nc3 16.Qc3; A5) 11...Re8 12.h5 (12.0-0 a6 13.h5 gh5 14.Nd5 Qd5 15.d3 h6 16.e4) 12...g5 13.h6 Bc3 14.dc3 g4 15.Nh4 Be4 16.Bg4; A6) 11...a6 12.h5 (12.Qb3 Nb6 13.a3 Na5 14.Qa2 Be6 15.Qb1 Bc3 16.Bc3; 12.0-0 Qd6 13.Nd5 Qd5 14.d3 Qd6 15.Ng5 Rad8 16.a3) 12...Bc3 13.dc3 Qb6 14.Qb3 Rad8 15.0-0-0 Qb3 16.ab3; A7) 11...Nf6 12.h5 gh5 13.a3 Ba5 14.Qa4 Qe7 15.Bb5 Rfb8 16.Nd1; A8) 11...Nc3 12.dc3 Ba5 13.0-0 Qb6 14.Qb3 Rad8 15.c4 Rd6 16.Qb6; A9) 11...Ba5 12.Qb3 (12.Rc1 Nf6 13.Qb3 Nb4 14.Ne5 Be6 15.Qa3 Bc7 16.Nb5; 12.Nd5 Qd5 13.Qb3 Rad8 14.Qd5 Rd5 15.Bc4 Rd6 16.h5; 12.0-0 Nc3 13.dc3 Qb6 14.Qb3 Rad8 15.c4 Rfe8 16.Rfd1) 12...Ndb4 13.0-0 Rb8 14.h5 Nd3 15.Ba3 Be6 16.Qa4; B) 11.Rc1 B1) 11...Nf6 12.0-0 (12.h4 Qe7 13.0-0 Rad8 14.a3 Ba5 15.Na4 b6 16.Bb5; 12.a3 Bc3 13.Bc3 Ne4 14.0-0 Qb6 15.d3 Nc3 16.Rc3; 12.Na4 b6 13.0-0 Qe7 14.Bb5 Rac8 15.a3 Ba5 16.Nc5) 12...Qe7 13.a3 Bc3 14.Bc3 Ne4 15.Bb2 Rfd8 16.d3; B2) 11...Bc3 12.Bc3 (12.dc3 Qb6 13.Qb3 Rfe8 14.Rd1 Rad8 15.Bc4 Na5 16.Qb6) 12...Nc3 13.Rc3 Qe7 14.0-0 Be4 15.Qa4 Rfd8 16.Rfc1; B3) 11...Rb8 12.0-0 Bc3 13.dc3 Qb6 14.Qb3 Rbd8 15.Qb6 ab6 16.Rfd1; B4) 11...Nb6 12.a3 (12.0-0 c4 13.a3 Ba5 14.Nb5 Rc8 15.Nfd4 Nd4 16.Nd4) 12...Bc3 13.Rc3 Qd6 14.Qb3 Nd5 15.Rc1 b6 16.0-0; B5) 11...a6 12.Na4 (12.0-0 b5 13.a4 c4 14.ab5 Bc3 15.dc3 ab5 16.Qd2) 12...b6 13.0-0 Qc7 14.a3 Ba5 15.d4 Rfd8 16.Bd3; B6) 11...Qd7 12.Nd5 (12.a3 Nc3 13.dc3 Ba5 14.Qd7 Bd7 15.0-0 Rad8 16.c4; 12.h4 Nc3 13.dc3 Ba5 14.Qd7 Bd7 15.0-0 Rad8 16.Rfd1; 12.0-0 Rad8 13.Qb3 Nb6 14.a3 Ba5 15.Qb5 Qe7 16.h3; 12.Qb3 Rfd8 13.0-0 Nb6 14.a3 Ba5 15.h3 Qe7 16.Rfd1) 12...Qd5 13.Bc4 Qd6 14.a3 Ba5 15.0-0 Bc7 16.Re1; B7) 11...Qd6 12.Nd5 (12.0-0 Bc3 13.dc3 Rad8 14.c4 Ndb4 15.Qd6 Rd6 16.Rfd1; 12.Qb3 Nb6 13.a3 Na5 14.Qd1 Bc3 15.Bc3 Nc6 16.Bb2) 12...Qd5 13.Bc4 Qd6 14.a3 Ba5 15.0-0 Bc7 16.Re1; B8) 11...Nc3 12.dc3 (12.Bc3 Ba3 13.Ra1 Nb4 14.Bb4 cb4 15.Qb3 a5 16.0-0) 12...Ba5 13.0-0 Qb6 14.Ba3 Rad8 15.Qa4 Rfe8 16.Qc4; C) 11.h3 C1) 11...Nb6 12.a3 (12.0-0 c4 13.a3 Ba5 14.Nb5 Be4 15.Nbd4 Qe7 16.Rc1; 12.Rc1 c4 13.0-0 Rc8 14.a3 Ba5 15.Nb5 Qd5 16.Nfd4) 12...Ba5 13.0-0 c4 14.Nb5 Be4 15.Nbd4 Qe7 16.Rc1; C2) 11...Rc8 12.0-0 (12.Rc1 Nc3 13.dc3 Ba5 14.0-0 Qb6 15.Qb3 Qb3 16.ab3) 12...Bc3 13.dc3 Qb6 14.Qb3 Rcd8 15.c4 Qb3 16.ab3; C3) 11...Re8 12.0-0 Nb6 13.a3 Bc3 14.Bc3 c4 15.Nd4 Nd4 16.Bd4; C4) 11...Nf6 12.0-0 (12.a3 Bc3 13.Bc3 Ne4 14.0-0 Nc3 15.dc3 Re8 16.Qb3; 12.Na4 b6 13.0-0 Qe7 14.a3 Ba5 15.Qb3 Be6 16.Bc4) 12...Bd3 13.a3 Ba5 14.Ne1 Be2 15.Qe2 Bc3 16.Bc3; C5) 11...Qd7 12.a3 (12.0-0 Rad8 13.Rc1 Nc3 14.Bc3 Bc3 15.Rc3 b6 16.Qb3; 12.Qb3 Rad8 13.e4 Nc3 14.dc3 Be6 15.Qa4 Ba5 16.Rd1; 12.g4 Be6 13.Ne4 f5 14.Neg5 Rae8 15.Qc2 b6 16.a3; 12.Rc1 Bc3 13.dc3 Rad8 14.0-0 Qc7 15.Qb3 Nf6 16.Rcd1) 12...Nc3 13.dc3 Qd1 14.Rd1 Ba5 15.0-0 Rad8 16.c4; C6) 11...Qd6 12.0-0 (12.Rc1 Bc3 13.dc3 Rad8 14.0-0 Qe7 15.Qb3 Rd6 16.c4; 12.g4 Bd7 13.a3 Ba5 14.Ne4 Qe7 15.Qc2 Rfe8 16.Nc5; 12.Qb3 Rad8 13.Nd5 Qd5 14.Qd5 Rd5 15.Bc4 Rd6 16.a3) 12...Rad8 13.Rc1 Nc3 14.dc3 Qe7 15.Qb3 Ba5 16.Rfd1; C7) 11...Ba5 12.0-0 (12.Nd5 Qd5 13.Qb3 Be6 14.Qd5 Bd5 15.Bf6 Rfe8 16.Rc1; 12.Qb3 Ndb4 13.0-0 Rb8 14.Rfc1 Nd3 15.Bd3 Bd3 16.Nb5) 12...Nc3 13.dc3 Qe7 14.Qb3 Rad8 15.Rfd1 Be4 16.Nd2; C8) 11...Nc3 12.dc3 Ba5 13.Qb3 Qb6 14.Qb6 Bb6 15.0-0-0 Rad8 16.c4; C9) 11...Bc3 12.dc3 Qb6 13.Qb3 Nf6 14.0-0 Ne4 15.Rfd1 Rfd8 16.c4; D) 11.0-0 D1) 11...a6 12.Qb3 (12.Nd5 Qd5 13.d3 Be6 14.Qc2 b6 15.h3 Ra7 16.a3; 12.h3 Qd6 13.Nd5 Qd5 14.d3 Be6 15.Qc2 Rab8 16.Bf6; 12.Na4 Nb6 13.Nb6 Qb6 14.a3 Ba5 15.Qc1 Rfd8 16.Rd1; 12.a3 Nc3 13.dc3 Ba5 14.c4 Qe7 15.Qb3 Rad8 16.Rfd1) 12...Be6 13.Qc2 Nc3 14.dc3 Ba5 15.Rfd1 Qe7 16.h4; D2) 11...Rb8 12.h3 (12.Qb3 Be6 13.Qc2 Qe7 14.Nd5 Bd5 15.a3 Ba5 16.Rac1; 12.Rc1 Nc3 13.dc3 Ba5 14.Qa4 Qe7 15.Ba3 Bb6 16.Rfd1; 12.Nd5 Qd5 13.a3 Ba5 14.Qa4 b5 15.Qf4 a6 16.g4; 12.h4 Re8 13.Nd5 Qd5 14.d3 Bg4 15.a3 Ba5 16.Rc1; 12.a4 Nf6 13.Na2 Ba5 14.Rc1 Qe7 15.Bf6 Qf6 16.Rc5; 12.g3 Re8 13.Rc1 Bg4 14.Qb3 Bc3 15.Bc3 b5 16.d3; 12.Re1 Re8 13.Qb3 Be6 14.Qc2 Rc8 15.Ne4 Bf5 16.Bd3) 12...Re8 13.Nd5 Qd5 14.d3 Bd7 15.Nd2 f5 16.Nb3; D3) 11...Nc3 12.dc3 Ba5 13.Qb3 Qe7 14.Rad1 Rad8 15.h4 h6 16.c4; D4) 11...Nb6 12.d3 (12.a3 Ba5 13.d3 Qe7 14.Qc2 c4 15.Rfd1 Rac8 16.Rac1; 12.Rc1 c4 13.a3 Ba5 14.Nb5 Rc8 15.Nfd4 Nd4 16.Nd4; 12.Bb5 Bd3 13.Bd3 Qd3 14.a3 Bc3 15.Bc3 f6 16.Qb1; 12.h3 c4 13.a3 Ba5 14.Nb5 Be4 15.Nfd4 Ne5 16.f4; 12.Na4 Na4 13.Qa4 a6 14.Qb3 b5 15.d3 Qd6 16.a3) 12...Re8 13.e4 Bg4 14.a3 Ba5 15.Rc1 Rc8 16.h3; D5) 11...Rc8 12.Nd5 (12.h4 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Rfd1; 12.h3 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.g4; 12.Re1 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Bc4 Qb6 16.Qe2; 12.Rc1 Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Rfd1 Rfd8 16.Qa3) 12...Qd5 13.a3 Ba5 14.Qa4 a6 15.Rfc1 Be4 16.d3; D6) 11...Nf6 12.Qb3 (12.h3 Bd3 13.a3 Ba5 14.Qb3 Bc3 15.Bd3 Bb2 16.Qb2; 12.Rc1 Qe7 13.a3 Bc3 14.Bc3 Ne4 15.Bb2 Rfd8 16.d3) 12...Na5 13.Qd1 Nc6 14.Qb3 Be6 15.Qc2 Qe7 16.a3; D7) 11...Re8 12.Rc1 (12.h3 a6 13.Nd5 Qd5 14.d3 Bd7 15.Nd2 Bd2 16.Qd2; 12.g3 a6 13.Qb3 Be6 14.Qc2 c4 15.e4 Nf6 16.a3; 12.Nd5 Qd5 13.a3 Ba5 14.Rc1 Qa2 15.Bc3 Qd5 16.Ba1; 12.h4 a6 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Qa3; 12.Re1 a6 13.h3 Rc8 14.Rc1 Nc3 15.dc3 Ba5 16.Qb3) 12...Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Rfd1 Rad8 16.c4.

10.Nc3 h6 A) 11.Qb3 A1) 11...Nb6 12.a3 Ba5 13.Qb5 Qd6 14.0-0 a6 15.Qb3 Rfe8 16.Rac1; A2) 11...Bc3 12.dc3 (12.Bc3 Qd6 13.0-0 b6 14.Bb2 Rad8 15.d4 cd4 16.Nd4) 12...Nf6 13.0-0 Qc7 14.Nh4 Bh7 15.Rad1 Rfe8 16.c4; A3) 11...Be6 12.Qc2 c4 13.0-0 Rc8 14.Rfd1 Nf6 15.d4 cd3 16.Qd3; B) 11.0-0 B1) 11...Re8 12.Nd5 (12.h3 a6 13.Qb3 Bc3 14.dc3 Nf4 15.ef4 Re2 16.Rfe1; 12.Qb3 Be6 13.Qc2 Bg4 14.h3 Bc3 15.dc3 Bf3 16.Bf3; 12.Rc1 Nc3 13.dc3 Ba5 14.Qb3 Qb6 15.Ba3 Qb3 16.ab3; 12.h4 Qd7 13.Nd5 Qd5 14.a3 Ba5 15.Rc1 Rad8 16.Bc4; 12.Re1 Rb8 13.Qb3 Be6 14.Qc2 c4 15.Nb5 Nb6 16.a3; 12.a3 Nc3 13.dc3 Ba5 14.Bc4 Qd1 15.Rad1 Rad8 16.Rfe1) 12...Qd5 13.a3 Ba5 14.Rc1 Rac8 15.Bc4 Qd7 16.d3; B2) 11...Nf6 12.a3 (12.Qb3 Na5 13.Qd1 Re8 14.Rc1 Rc8 15.Nb5 a6 16.Na7; 12.h3 Qe7 13.Qb3 Be6 14.Qa4 Rfd8 15.a3 Ba5 16.Bb5; 12.Rc1 Qe7 13.a3 Bc3 14.Bc3 Ne4 15.Bb2 Rad8 16.d3; 12.g3 Bd3 13.Ne1 Be2 14.Qe2 Re8 15.Nf3 Nd4 16.Nd4; 12.Re1 Qd6 13.Qb3 Na5 14.Qd1 c4 15.Nb5 Qb6 16.Qa4; 12.Na4 b6 13.a3 Ba5 14.Rc1 Qe7 15.Bb5 Be4 16.d4) 12...Bc3 13.Bc3 Ne4 14.Qb3 b6 15.Rfd1 Nc3 16.dc3; B3) 11...Nb6 12.d3 (12.a3 Ba5 13.d3 Qe7 14.Qc2 Rfd8 15.g3 Rac8 16.Rfe1; 12.Bb5 Bd3 13.Bd3 Qd3 14.Qb1 Rad8 15.a3 Bc3 16.Bc3; 12.Rc1 c4 13.a3 Ba5 14.Nb5 Be4 15.Nbd4 Nd4 16.Bd4) 12...Bc3 13.Bc3 Nd5 14.Bb2 Re8 15.d4 Qb6 16.Qb3; B4) 11...Nc3 12.dc3 Ba5 13.Qb3 Qe7 14.Bc4 Rad8 15.Rfd1 Be4 16.Nd2; B5) 11...Rc8 12.Nd5 (12.h3 Re8 13.Re1 Nb6 14.a3 Ba5 15.Na4 Qd6 16.Rc1; 12.Rc1 Nc3 13.dc3 Ba5 14.Qb3 Qe7 15.Rfd1 Rfd8 16.c4; 12.a3 Nc3 13.dc3 Ba5 14.Bc4 Qd1 15.Rfd1 Rcd8 16.a4; 12.Re1 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Ba3; 12.h4 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Rfd1; 12.Qc1 Re8 13.Qd1 Rc7 14.Nd5 Qd5 15.a3 Ba5 16.Rc1; 12.g3 Re8 13.Rc1 Nc3 14.dc3 Ba5 15.Qb3 Qb6 16.Rfd1) 12...Qd5 13.a3 Ba5 14.Rc1 Rfd8 15.Bc4 Qd6 16.Qb3; B6) 11...Rb8 12.Qb3 (12.h4 Bc3 13.dc3 b5 14.Qd2 Be4 15.Rad1 Qc7 16.Qc1; 12.g3 Re8 13.Qb3 Bc3 14.dc3 b5 15.Rfd1 Be4 16.Qa3; 12.Rc1 Nc3 13.dc3 Ba5 14.Qb3 Qe7 15.Rfd1 Rfd8 16.c4; 12.a3 Ba5 13.Nd5 Qd5 14.Qa4 b5 15.Qf4 Rfe8 16.Qg3; 12.Re1 Re8 13.Nd5 Qd5 14.Qb3 Qb3 15.ab3 Rbd8 16.Rec1; 12.h3 Nf6 13.Qb3 Qd7 14.a3 Ba5 15.Qc4 b5 16.Qh4; 12.Nd5 Qd5 13.Qb3 Rbd8 14.Rfc1 Qb3 15.ab3 Be6 16.Bd1; 12.a4 Nf6 13.h3 a6 14.Rc1 Qd6 15.Na2 Rfe8 16.Nb4; 12.Qc1 Nc3 13.dc3 Ba5 14.Qd1 b5 15.Qd8 Rfd8 16.Rad1) 12...Nf6 13.a3 Ba5 14.Rac1 Qb6 15.Qb6 ab6 16.Nb5.

11.a3 Bc7 12.d3 Bg6 13.Ne5?? (better is 13.Nc3!?=) 13...Qf6 (better is 13...Be5 14.Be5 Ne5–+) 14.Nc4–/+ Qh4 (better is 14...Qe6!? 15.Bg4 Qe7–/+) 15.g3= Qe7 16.Bf3 (16.Qb3 Rab8 17.Nc3 Nc3 18.Qc3 f6=) 16...Qd7 17.e4 Nde7 18.Nc3 Nd4 19.Bh5 f5 20.Bg6 hg6 21.Ne2? (21.f4 b5 22.Ne3 fe4 23.de4 Qe6=) 21...Nec6 (21...Nf3 22.Kg2 fe4 23.de4–/+) 22.Nc3 (better is 22.Nd4!? Nd4 23.Bd4 Qd4 24.Qb3=) 22...f4 23.Nd5 Qh3 (better is 23...b5 24.Nc7 Qc7–/+) 24.f3?? (24.Nc7 f3 25.Ne3 Kf7 26.Ncd5 Rh8 27.Re1 Qh2 28.Kf1 Qh1) 24...fg3–+ 25.hg3 (25.Qd2 Nf3 26.Rf3 gh2 27.Kh1 Qf3 28.Qg2–+) 25...Qg3 26.Kh1 Qh2 0–1. Wilke,Hans_Peter (1655) – Bollenbach,Horst (1735), Lichtenberger Sommer, 2015.

11.d4 cd4 12.Nd4 Nd4 (12...Be6 13.Ne6 fe6 14.Bc4=) 13.Bd4 (13.Qd4!? Nf6 14.Qf4+=) 13...Qg5 14.Bf3 Rfd8 15.Qb3 Bh3 (15...Nb4 16.Bc3 (worse is 16.Bb7 Rab8 17.f4 Qe7–+) 16...Be6 17.Qb2=) 16.Na3 (16.Qb7 Bg4 17.Be4 Be6+/–) 16...Bc7 (16...Bb6 17.Bb6 Nb6 18.Bb7=) 17.Rfc1 Rac8 18.Kh1 Be6 19.Qb7 Qh4 20.g3 Qe7 21.Nb5 Rb8 22.Qc6 (22.Qa6!? Bc8 23.Qa3 (23.Qa7?! Rb5 24.Bd5 Rbd5 25.Qc7 Qe4 26.Kg1 Bh3+=) 23...Qa3 24.Na3+/–) 22...Bb6+= 23.Rab1?? (23.Qc2!?+=) 23...Nb4 (better is 23...Rbc8!? 24.Qc8 Bc8 (24...Rc8?! 25.Rc8 Bc8 26.Bd5=) 25.Bd5 Bf5 (25...Rd5?! 26.Rc8 Rd8 27.Rd8 Qd8 28.Kg1=) 26.Bb6 ab6–/+) 24.Qe4= Na2 25.Rc6 Nb4 26.Qe5? Qf8?? 27.Re6 fe6 28.Qe6+= Kh8 29.Bg7 Qg7 30.Rb4 Re8 31.Qh3?? Qa1 32.Kg2+= Qg7 33.Rh4 Rf8?? 34.Be4+– Rf7 35.Nd6 Rbf8 36.Nf7 Rf7 0–1. carocan (1765) – bigpikus (1730), internet, 2012.

11.a3 Ba5 12.d4 cd4 13.Nd4 Qb6 14.Nc6 bc6 15.Qc1 Rfb8 16.Bd4 Qc7 17.Nc3 Qd6 18.Rd1 Bc7 19.g3 Bb6 20.Bb6 Rb6 21.Bf3 Qg6 22.Bd5+= cd5 23.Nd5 Rb7 24.Qc5 Qg5 25.Rac1 Rab8 26.Nc7 Qf6 27.Na6! Re8 28.Qc6 Qe7 29.Nc5 Rb2 30.Qf3 Be6 31.Kg2 Rb5 32.Ne6 fe6 33.a4 Rf5 34.Qg4 Qf6 35.f4 Qb2 36.Kh3 Rf6 37.Rc5 e5 38.Qh5. Fritz 6 – Fritz 8, 2004.

11.Qc1 Rc8 12.a3= Ba5 13.Nc3 (13.Qc5!? Bb6 14.Qc1=) 13...Re8+= 14.Nd5 Qd5 15.Bc4 Qd6 16.a4 h6 17.Qd1 Re7 18.Nh4 Bh7?? (better is 18...Bd7+=) 19.Qg4+– Ne5 (19...g5 20.Qc8 Qd8 21.Qh3 Qd2 22.Bf6+–) 20.Qc8 Bd8 21.Be5 Re5 22.Nf3 Re7 23.Rac1 Be4 24.d4 Rc7 25.Qg4 Bf3 26.Qf3 cd4 27.ed4 Bg5 28.Rce1 g6 29.Re8 (29.Re8 Kg7 30.Bd5+–) 1–0. Muri,Heinrich – Caprano,Janosich2, ITA–SUI corr, 1991.

11.Qc1 Qd6 12.a3 Ba5 13.Nc3 +=.

11.d4 Qe7 12.a3 Ba5 13.Qb3 Nf4 14.Bc4 Ng2 15.Kg2+= Be4 16.Be2?? Qg5–+ 17.Kh1 Qh5 18.Rg1 Bf3 19.Bf3 Qf3 20.Rg2 cd4 21.Qd3 Rad8 22.Nd2 Bd2 23.Qd2 de3?? 24.Qe3? Rd1–+ 25.Rd1 Qd1 26.Rg1 Qd5 27.f3 f6 28.h3 Ne5 29.Be5 fe5 30.Rg3 Rd8 31.Rg2 Rf8?? 32.Rg3 Rf4 33.Qc3 Rc4 34.Qe3 Rd4 35.Qc3 Rd1 36.Kh2 Qd2 (36...Qd2 37.Qd2 Rd2 38.Kh1 Kf7–+) 0–1. Gerold,G – Catlak,D, corr ICCF EU/M/GT/069 (year?).

11.d4 Qe7 12.Nbd2 Nc3 13.Bc3 Bc3 14.Rc1 cd4 15.Nb3 Bb2 16.Rc5 Be4 17.Nfd4 Bd4 18.ed4=+ Rad8 19.Rh5 Qf6 20.Bd3 Bd3 21.Qd3 g6 22.Rh3 Nd4 23.Nd4 Qd4 24.Qb1 b5 25.Qc1 Qd2 26.Qa3 b4 27.Qa6 Ra8 28.Qc4 Ra2 29.Qh4 h6 30.Re3 Rc2 31.Qh6 b3! 32.Qh4?? Rc1–+ 33.Qe4 b2 34.Re2 Qe2!! 35.Qe2 b1Q (35...b1Q 36.h4 Rfc8 37.Rc1 Rc1 38.Kh2 Rh1 39.Kg3 Qb8 40.Kg4 Qc8 41.Kg3 Qc3 42.f3 Qc7 43.f4 Qc3 44.Qf3 Qf6–+) 0–1. Janecka,Z – Bazaj Bockaj,Snjezana, corr olw2 fin, 1980.

11.d4 Re8 12.Qb3 Na5–/+ 13.Qd1 c4 14.a3 Bd6 15.Nc3 Nc3 16.Bc3 b5 17.h3 Nb3 18.Ra2 Qe7 (18...Qe7 19.Ne5 Ba3 20.Bc4 bc4 21.Nc4 Bd3 22.Qd3 Nc1 23.Rc1 Bc1+–). Zamarski,Ryszard – Kozun,Piotr, corr 1. AMM Poland, 1992.

11.Na3 a6! 12.Rc1 b5 13.d3 Nb6 14.Nb1 Na4 15.Ba1 Qe7 16.Nc3 Nb6 17.Qb3 Rfd8 18.Rfd1 Rd6 19.a4 ba4 20.Na4 Na4 21.Qa4 a5 22.d4 cd4 23.Ba6 Rc7 24.Nd4 Nd4 25.Rc7 (25.Bd4!) 25...Nf3! 26.gf3 Rd1 27.Qd1 Qc7 28.Qd4 Bf8! 29.Bc4 Qc6 30.Bd5 Qg6 –+. Prosvirin – Oldekop, SU 1969.

11.Qa4 a6. Thiel – Suess, corr BdF 1988.

11.Nc3 Ba5 12.Qb3 Ndb4 13.a3 Nd3 14.Bd3 (14.Qb7!? Rc7 15.Qb3+=) 14...Qd3 15.Qd1 Rfd8 16.h3 Bc7 17.Re1 Ne5 18.Ne5 Be5 19.f4 (19.e4!? Bg6 20.Rb1–/+) 19...Qd2–+ 20.Qd2 Rd2 21.fe5 Rb2 22.Nd5 Kf8 23.Nf4 (23.e4 Bg6–+) 23...Be4 24.Re2 Re2 25.Ne2 Ke7 26.Nc3 Bc6 27.Rf1 Rd8 28.Rd1 (28.a4 a6–+) 28...Rd1 29.Nd1 Ke6 30.Kf2 Ke5 31.Nc3 b5 32.g3 b4 33.ab4 cb4 34.Nd1 (34.Ne2 a5 35.Nd4 Be4–+) 34...a5 0–1. Hal1958 – Michail, playchess.de, 2004.

11.Nc3 Ba5 12.Nd5 Qd5 13.d3 Qd6 14.Rc1 b5 15.a3 a6 16.Qb3 h6 17.Rfd1 Rfd8 18.Ba1 Qe7 19.Qb2 f6 20.Nh4 Be6 21.Ng6 Qf7 22.Bh5 (22.Nf4 Ne5 23.Ne6 Qe6+=) 22...Bb6 (22...Rd5!? 23.Qe2 Rh5 24.Qh5 Kh7=+) 23.Nf4+= Qe7 24.Ne6 Qe6 25.Be2 (25.Bf3 Ne5 26.Be4 Bc7=) 25...Ne5 (25...Bc7 26.Qb1=) 26.a4 Qe8 (better is 26...ba4!? 27.Rb1 Bc7+=) 27.ab5+/– ab5 28.d4 cd4 29.Rc8 Rc8 30.Bb5 Qg6 31.Qb3 Kh8 (31...Qf7 32.Ba4 Nc4 33.ed4+–) 32.ed4+– (32.Bd4?! Nf3 33.Kh1 Nd4 34.ed4 Qc2 35.Qc2 Rc2+=) 32...Rc2?? (better is 32...Qf7 33.Qb1 Ng6+–) 33.Ba4 (33...Re2 34.Qb6 (34.de5?! Qe4 35.Qb1 Qa4 36.ef6 Qc2+–) 34...Nf3 35.Kf1+–; 33.de5?! Rf2 34.Rd8 Bd8 35.Kf2 Bb6 36.Ke1 Qg2+–) 1–0. Feilmayr,Erwin – Steiner,Peter Markus, corr ICCF TT, 2004.

11.Nc3 Ba5 12.Nd5 Qd5 13.d3 Qd6 14.Rc1 b5! 15.a3 Rfd8 16.Nh4 Bc7 17.g3 Bh3 –+. Rudenkov – Oldekop, SU 1970.

11.Nc3 Ba5 12.Nd5 Qd5 13.d3 Rfd8 14.Qc1 Bd3 15.Bd3 Qd3 16.Qc5 Rd5 17.Qa3 Qa3 18.Ba3 Rcd8 19.Rab1 Bb6 20.Bb2 f6 21.g3 Ra5 22.Ra1 g5 23.Rfc1 g4 24.Bf6 gf3 25.Bd8=+ Bd8 26.h4 Kf7 27.Rab1 Bb6 28.Rc4 Ke6 29.a4 Ne5 30.Rf4 Rd5 31.Rf8 Bc5 32.Rb8 b6 33.Rb7 Rd2–+ 34.a5? Ng4 35.ab6 Rf2 36.ba7 Rg2 37.Kf1 Ne3 (37...Ne3 38.Ke1 Re2#) 0–1. Feilmayr,Erwin – Ruhle,Ernst_Olav, corr ICCF TT, 2007.

11.d3 Re8 12.Qc2 Qe7 13.a3 Ba5 14.Nc3 Bc3 15.Bc3 Nf4 16.Rfe1 Nd4 17.Nd4 cd4 18.ef4 dc3 19.g4 Bd7 20.a4 Qb4–+ 21.f5 Qb2 22.Qd1 c2 23.Qc1 Qc3 24.Kf1 h5 25.h3 hg4 26.hg4 Bc6 27.Qf4 Rcd8 28.Rac1 Rd4 29.Qg5 f6 30.Qh5 Rd3 31.g5 Rh3 (31...Rh3 32.Qe8 Be8–+; 31...Ba4?! 32.gf6 Rh3 33.f7 Kf8 34.fe8Q Be8 35.Rc2 Bh5 36.Rc3 Be2 37.Ke2 Rc3 38.Rb1–+) 0–1. Borrmann – Zimmer,P, corr, 1992.

11.d3 Re8 12.Nbd2 Qe7 13.a3 Ba5 14.Nc4 b5 15.Na5 Na5 16.Re1 Nb7?? 17.Qd2?? Bd7 18.Rac1 b4 19.ab4 cb4 20.d4 a5 21.Ne5 a4 22.Nd7 Qd7 23.Bf3 a3 24.Ba1 b3 25.Bd5 Rc1?? 26.Bf7 Qf7 27.Rc1 b2 28.Bb2 ab2 29.Qb2 Nd6 30.Rb1 Qf5 31.Qb3 Kf8 32.Qb4 Ke7?? 33.Rc1?? Rd8 34.Qc5 Rc8 35.Qa7 Kf6 36.Qa1 Rd8 37.Rc5 Qd3 38.Qc1 Ne4 39.Rc6 Rd6 40.Rd6 Nd6 41.h3 Ke6 42.g4 Nc4 43.Qf1 Qc3 44.Qe2 Qc1 45.Kg2 Nd6 46.f3 Nc4 47.e4 Ne3 48.Kf2 Nd1 49.Kg3 g5 50.Qa6 Ke7 51.Qb7 Ke8 52.Qb5 Kd8 53.Qd5 Ke8? 54.Qg8+– Kd7 55.Qh7 Kd8 56.Qg8 Ke7 57.Qg7 Kd8 58.Qf8 Kd7 59.Qf5 Ke8 60.Qb5 Kf7 61.Qe2 Qf4+/– 62.Kg2 Qc1 63.d5 Nc3 64.Qf1 Qd2 65.Qf2 Ne2 66.Kf1 Qd1= 67.Kg2 Qd2 68.Kf1 (68.Qa7 Kf6 69.Qb6 Ke5 70.Qb8 Kd4 71.Qa7 Ke5 72.Qf2=) ½–½. hal1958 – StevenL, HCL–B2319 playchess.de, 2003.

11.d3 Bg6 12.a3 Ba5 13.Qb3 Re8! 14.Rd1 (14.Qb7 Rb8 15.Qc6 Rb2) 14...b5! 15.Bc1 a6 –+. Shustey – Oldekop, SU 1970.

11.d4 cd4 12.Nd4 Nd4 13.Qd4= Nc3 Black gets strong initiative 14.Qb4 Ne2=+ 15.Kh1 a5 16.Qb3 Bc2 17.Qa3 b5–/+ 18.Bc1? b4 19.Qb2 Bd3 20.Nd2 Rc2 21.Qb3 Nc1 22.Rfc1 Rd2 23.Rd1 Bc2 (23...Bc2 24.Rd2 Qd2–+ (24...Bb3?! 25.Rd8 Rd8 26.ab3=+)) 0–1. Liske,H – Lanzendoerfer,Johannes, BdF, 1975.

11.d4 Qd6 12.a3 Ba5 13.dc5 Qc5 14.Nd4 Qb6 ½–½. Pietrzak,Janusz – Scholz,F, corr ICCF EU–M–GT, 1991.

11.h3 Ba5 12.d4 cd4 13.Nd4 Nd4 (13...Be4 14.Nc6 Qg5 15.Bf3 Bf3 16.Qf3 bc6 17.Rd1=) 14.Qd4+= (worse is 14.Bd4 Bc2 15.Qc1 Nf4–/+) 14...Nf6 15.Qd8 (15.Qa7 Rc2 16.Rd1 Qc7 17.Bf6 Re2+=) 15...Rfd8 16.Bf6 gf6 17.Na3 Be6 18.Nb5 (18.Bf3 b6=) 18...a6 19.Nd4 Bb6 (19...Bc3!? 20.Ne6 fe6=) 20.Ne6+= fe6 21.Bf3 Rd7 22.Rab1 Bc5? (better is 22...Rd6!?+/–) 23.Bb7+– (23.Rb7?! Rcc7 24.Rb2 Ba3+/–) 23...Rcc7 24.Ba6 1–0. Hal1958 – Gonz_human, playchess.de, 2005.

11.h3 Re8 12.d4 cd4 13.Nd4 Nd4 14.Bd4?? (14.Qd4 Nc3 15.Bc3 Bc3 16.Nc3 Qd4 17.ed4 Rc3=) 14...Re7?? (better is 14...Bc2 15.Qc1 Ba4–+) 15.Bf3 Bc2 16.Qe2 b6 17.Rc1 Rec7 18.Bd5 Qd5 19.Qg4 f6 (19...f5!? 20.Qg3 Bd6–/+) 20.Bf6= Bf5 21.Rd1? (better is 21.Rc7 Rc7 22.Qb4 Rc1 23.Kh2 gf6 24.Qb3 Qb3 25.ab3–+) 21...Rc1?? (better is 21...Qd1! 22.Qd1 Rc1–+) 22.Qg7 1–0. Hal1958 – Gonz_human, playchess.de, 2005.

12.Qb3 Qb6 13.Bc4 Qb3 14.Bb3 Nce7 15.Rc1 b5 16.Nc3 c4 17.Bc2 Bc2 18.Rc2 a6 19.Nd5 Nd5 20.Kf1 Rfd8 21.Ke2 Bb6 22.Bd4 Nf4–/+ 23.Kf1 Bd4 24.Nd4 Nd3 25.Rb1 Rd6 26.Rb3 Rcd8 27.Rb1 Rf6 28.f3=+ Rh6 29.a4+= ba4 30.Rc4 Rh2 31.Kg1 Rh5 32.Ra4 Nc5 33.Ra5 g6 34.Rc1 Nd3+= 35.Rh5 Nc1 36.Ra5 Rd6 37.Ra3 Rb6 38.Kf2 Rb2 39.Ke1 Ra2 40.Ra2 Na2 41.Nc6 f5 42.Kd1 Kf7 43.Kc2 Ke6 44.Kb2 Kd6 45.Ka2 Kc6 46.f4 Kb5 47.Kb3 h6 48.d3 g5 49.fg5 hg5 50.g3 a5 51.Kc3 a4 52.d4 g4 ½–½. Feilmayr,Erwin – Cottarelli,Franco, corr ICCF TT, 2007.

12.Qb3 Re8 13.Nc3 Nc3 14.Bc3 Bc3 15.Qc3 Nd4 16.Nd4 cd4=+ 17.Qb4 d3 18.Bf3= b6 19.Rfc1 Qf6 20.Qb5 ½–½. Hebels – Lambers, corr NLD jub, 1991.

12.Nc3 Re8 =+.

12.Bc4 a6 13.Ba2 b5 14.d3=+ ½–½. Petersen,Jan – Forzoni,Fabio, corr ICCF WT–I–1288, 1991.

12.Bc4 a6 13.Qb3 Nce7 =+.

12.Bc4 Nb6 13.Bb5 =+.

12.d4 cd4 13.Nd4= Nd4 14.Qd4 Nc3 15.Bc3 Bc3 16.Qd8 Rfd8 17.Nc3 Rc3 18.Rfc1 Rdc8 19.Rc3 Rc3 20.Kf1 Bd3 21.Rd1 Be2 22.Ke2 Rc8 (22...Kf8!? 23.Rd3 Rc2 24.Rd2 Rd2 25.Kd2 Ke7=) (cont. unknown, 35 moves) ½–½. Lea,Per – Berg,H, corr Norway, 1978.

11.Na3 Rad8 12.Nc4 Qc7 13.Rc1 b5 14.Na3 (14.a3 bc4 15.ab4 Ncb4 16.Rc4 Nb6=) 14...a6-/+ 15.Nb1 (15.Nb5 ab5 16.a3 Ba5 17.Rc5 Qd6 18.Rb5 Bc7=+) 15...c4 16.a4 Be7 17.Nc3 (17.Re1 Rfe8-/+) 17...Nc3 18.Bc3 Nb4 (18...Rfe8 19.ab5 ab5 20.Re1-/+) 19.ab5 ab5 20.Nd4 Be4 (better 20...Bd7=+) 21.Nb5+/- Qb7 (better 21...Qc5!? 22.Bb4 Qg5+/-) 22.Bc4+- Bg2?? (better 22...Qd7+-) 23.Qg4 (23.Qg4 g6 24.Qg2+-) 1-0. OnlyPolishOpening (2220) - hakan6134 (2160), lichess.org, 2020.

11.Nc3 Nc3 12.dc3= Qf6 13.Qb3 Ba5 14.c4 (14.Qb7?? Rab8 15.Qa6 Rb6–+) 14...Qe6 15.Qb5 (15.Qb7?? Rab8 16.Qb5 Rb5 17.cb5 Nb4–+) 15...Bb4 16.Kh1 (16.Qb7? Rfb8 17.Qa6 Ba5–+) 16...a6 17.Qb6 (17.Qb7? Ra7 18.Qa7 Na7–+) 17...Qe7 18.a3 Ba5 19.Qb3 Rab8 20.Rac1 Be4 21.Bc3 Bc3 22.Qc3 Rfd8 23.Rfd1 Rd1 24.Rd1 Rd8 25.Rd8 Qd8 26.h3 Kf8 27.Nd2 Bf5 28.Bf3 Qc7 29.Bd5 b6 30.g4 Bd7 31.Nf3 Ne7 32.Ne5 Nd5 33.cd5 Bc8 34.e4 b5 35.Kg2 Qd6 36.Kf3 h5 37.Nd3 hg4= 38.hg4 c4 39.Qb4 Qb4 40.Nb4 a5 41.Nc6+= f6 42.Na5 Ke7 43.g5 Kd6 44.gf6 gf6 45.Ke3 Kc5 46.Nc6 Bh3 47.Nd4 b4 48.ab4 Kb4 49.f4 c3 50.d6 Kc5+/– 51.Kd3 Kd6 52.Kc3 Bc8 53.Nb3 Bh3 54.Kd4 Bg4 55.Na5 Bh3 56.Nc4 Ke6 57.Ne3 Kf7 58.Kd5 Bc8 59.Kd6 Bb7 60.Nd5 Ba8 61.Nc3 Bb7 62.Kd7 Ba8 63.e5 fe5 64.fe5 Bf3 65.e6 Kf6 66.e7 Bh5 67.Nd5 Ke5 68.Nc7 Kf6 69.Ne8 Ke5 70.Ng7 Bf7 71.Ne6?? Be6= 1–0. Schulze,Harald (2085) – Liepold,Stefan (2300), Regionalliga NO, 2007.

11.Nc3 Rad8 12.a3 Bc3 13.dc3 +=.

11.d4 Rad8 12.Nbd2? (12.a3!? Ba5 13.dc5 Qc5 14.Qb3+=) 12...cd4 (12...Nc3 13.Bc3 Bc3 14.Rc1 cd4 15.ed4 Bd4 16.Qa4–/+) 13.Nd4 Nd4 14.Bd4 Nc3 15.Qe1 Qg6 16.Bf3 Bd3 17.a3 Ba5 (worse is 17...Bf1 18.ab4 Ne2 19.Kf1 Nd4 20.ed4 Qd3 21.Be2 Qd4 22.Nf3+=) 18.Rc1 (18.Kh1 Nb5 19.Rg1 Nd4 20.ed4–+) 18...Bf1 (better is 18...Nb5 19.Qd1 Bf1 20.Nf1 Bb6–+) 19.Qf1+= Nd5 20.Qd1 (20.Nb3!? Bb6 21.Nc5+=) 20...Bb6–/+ 21.Bb2? (better is 21.Nb3!?–/+) 21…Ne3!–+ (21...Ne3 22.Qe2 Rde8–+) 0–1. Padkowski – Kyciak,Bartosz, ch Quebec, 1993.

11.d4 Rfd8 12.Nbd2 (better is 12.a3!? Ba5 13.dc5 Qc5 14.Qb3+=) 12...Nc3–/+ 13.Nc4 (13.Bc3 Bc3 14.Rc1 cd4 15.ed4 Bd4–/+) 13...Qe6–+ (13...Nd1?! 14.Nd6 Bd3 15.Bd1 Rd6 16.a3+=; 13...Ne2?! 14.Qe2 Qe6 15.Rfd1+=) 14.Bc3 Bc3 15.Nce5?? (better is 15.Rc1 cd4 16.Qb3–+) 15...Ne5 16.Ne5 cd4 (16...Ba1?! 17.Qa1 cd4 18.ed4–+) 17.Nf7 (17.Nd3 de3 18.Rb1 ef2 19.Rf2 Bd4–+) 17...Qf7 18.Qa4 d3 (better is 18...Ba1!? 19.Ra1 d3 20.Bf3–+) 19.Bd1 (19.Bh5 g6 20.Rac1 b5 (worse is 20...gh5 21.Rc3 d2 22.e4–+) 21.Qb5 Rab8–+ (21...gh5?! 22.Rc3 h4 23.Rd1–+)) 19...Ba1 (19...Ba1 20.Bb3 Be6 21.Be6 Qe6 22.Ra1 d2–+) 0–1. Mikhaylov,Dimitri (1815) – Grinberg,Eyal (2085), St Petersburg RUS, Chigorin Mem, 2013.

11.Nh4 Bd7 12.Qc2 Nce7 13.Nf3 Rad8 14.Rc1 b6 15.Ne5 Qh6 16.a3 Ba5 17.Nd7 Rd7 18.Rd1 Rfd8 19.Nc3 Bc3 20.dc3 Nc7 21.Rd7 Rd7 22.Rd1 Qe6 23.c4 f6 24.h3 Ng6 25.Bg4 Rd1 26.Qd1 Qe7 27.Qf3 Ne8 28.Qa8 Ne5 29.Qe4 Nd6 30.Qd5 Kf8 31.Be2 Nb7 32.Bc3 Qd7 33.f4 Qd5 34.cd5 Ng6 35.g3 Nd6 36.Bd3 c4 37.Bb4 cd3 38.Bd6 Ke8 39.Kf2 Kd7 40.Bb4 a5 41.Bc3 Ne7 42.e4 f5 43.Ke3 fe4 44.Ke4 g6 45.g4 d2 46.Bd2+– Kd6 47.f5 gf5 48.gf5 Nd5 49.Bg5 Nc3 50.Kd3 Nd1 51.Kd4 b5 52.Bd2 b4 53.ab4 ab4 54.Bb4 Kd7 55.Be1 Ke7 56.Bh4 Kd6 57.Bg5 Nf2 58.h4 Ng4 59.Ke4 h5 60.Kf4 Kd7 61.Ke4 Kd6 62.Kd4 Kc7? 63.Kd5 Kd7 64.f6 Ke8 65.Ke6 Kf8 66.f7 (66.f7 Kg7 67.Be7 Nh6 68.f8Q Kh7 69.Bf6 Nf5 70.Qf7 Kh6 71.Bg5) 1–0. Gasanov,Engels (1900) – Wlasow,Andrey (1920), OP–2009–0-00839, 2009.

11.Qb3 Rfd8 12.a3 Ba5 13.d4 cd4 14.Nd4 Nd4 15.Bd4 Rac8 16.Bf3 Be4 (16...Nf4! 17.Qb5 Bd3 18.Qa5 Bf1–/+) 17.Be4+= Qe4 18.Qb7 Rc2 (18...Bb6 19.Bb6 ab6 20.Ra2+=) 19.a4 Bc7 (better is 19...Bb6!? 20.Bb6 ab6=) 20.Na3+= Qe7? (better is 20...Re2!?+=) 21.Qa7+– (21.Nc2? Bh2 22.Kh2 Qb7–+) 21...Rc6 22.g3 h5 (22...Qe6 23.Nb5 Qh3 24.Nc7 Rc7 25.Qa5+–) 23.Nb5 Qe6 24.Rac1 Bb8 25.Rc6 Qc6 26.Qc5 Qe6 27.Nc3 h4 28.Nd5 Rd5 29.Qc2 h3 30.Rc1 Rd8 31.Qc6 Qa2 32.Qb5 Bd6 33.Qg5 f6 34.Bf6 Rd7 35.Qg4 Qd2 36.Qe6 Rf7 37.Rc8 (37.Rc8 Bf8 38.Rf8 Kh7 39.Qe4 Kh6 40.Rh8#) 1–0. onny555 (1815) – blackmoses (1780), GK tournament, 2010.

11.Bb5 Rab8 12.d3 Bg4 13.h3 Bh5 14.a3 Ba5 15.g4 Bg6=+ 16.Qc2 a6 17.Bc6 bc6 18.Be5 Rbd8 19.Nbd2 Ne3 20.fe3 Bd3 21.Qb2 Bd2 22.Nd2 f6 23.Bf4= g5 24.Qa2 Kh8 25.Bh2 Qe3 26.Rf2= Qh3 27.Qe6 Rde8 28.Qd7 Be2 29.Rb1? Bg4 30.Qc6 Bf5 31.Rbf1 Qg4 32.Kh1 Bd7 33.Qc5+= Rc8 34.Bc7 Qh4 35.Kg1 Bh3 36.Re1 Rf7 37.Re7 Qg4 38.Kh2 Qh5= 39.Rf7 Qf7 40.Kh3 Rc7 41.Qf5 (41.Qb6 Qh5 42.Kg2 Qg4 43.Kh2 Qh4 44.Kg1 Rc1 45.Nf1 Qg3 46.Rg2 Qe5+=) ½–½. Benassi,Aspasio – Iaselli,Michele, CEM5EA, 2001.

11.Nc3 Nb6 12.d4 Rfd8 (12...Rfd8 13.Na4 Na4 14.Qa4 a6=+) 0-1. jvanmechelen – martijn, net-chess.com, 2020.

11.Nc3 Bc3 12.dc3 Rfd8 (12...Rad8 13.Qb3=) 13.Qb3 Rab8 (13...Rd6 14.c4 Ndb4 15.Rad1=) 14.c4 Nf4 15.Bd1 (15.ef4 Qe2 16.Rfe1 Qc2=) 15...Nd3=+ 16.Bc3 a6 17.a4 Ndb4 18.Qb2 Nd3 19.Qb3 Ndb4 20.Qb2 f6 21.Be2 Bd3 (21...Qe6 22.Bb4 Nb4 23.Rfd1=+) 22.Rfd1= Qe4 23.Nd2 Qe6 24.Bf3 a5 (24...Bc4 25.Bb4 cb4 26.Rac1=+) 25.Rac1 Kf8 (25...Bg6 26.Qb3=) 26.h3 b6 27.Bg4 Qe8 28.Nf3 (28.Bf3!?=) 28…h5-/+ (28...h5 29.Bf6 hg4 (29...gf6?! 30.Qf6 Qf7 31.Qf7 Kf7 32.Bh5 Kf8 33.Ne1=+) 30.Bg7 Kg8 31.hg4 Bc2 32.Rd8 Rd8-/+ (worse 32...Nd8 33.Rc2 Nc2 34.Be5+/-)) 0-1. OnlyPolishOpening (2155) - elyutero (2160), lichess.org, 2020.

11.Nc3 Nc3 12.dc3 Ba5 13.Qb3 Bc7 14.Rad1 b6 15.Qa4 Na5 16.c4 Rad8 17.Bc3 h6 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 Nc6 21.a3 Kf8 22.Qd5 Qe6 23.Nd2 g5 24.g3 Bc2 25.Kf1 Qd5 (25...Bf5 26.f4=) 26.cd5 Be5 27.Be5 Ne5 28.f4 Nd3 29.fg5 hg5 30.h4 (30.Ne4 b5 31.d6 b4 32.ab4 cb4 33.Ng5 b3-+) 30...gh4 31.gh4 b5 32.Nf3 b4 33.ab4 cb4 34.Nd4 Bb1 35.h5 Nc5 ½-½. marekt – Capalaskine, ChessWorld.net, 2020.

11.Nc3 Nc3 12.dc3 Ba5 13.c4 Bc7 (13...Rad8 14.Qb3=+) 14.Qb3 b6 15.Rad1 Rad8 16.Qc3 (16.Rfe1 Qe6=+) 16...f6 17.Rd8 Rd8 18.Rd1 Rd1 19.Bd1 Ne5 (19...Nb4 20.a3 Nd3 21.Be2=+) 20.Ne5 Be5 21.Qd2 h6 (21...Bb2 22.Qb2 Be4 23.Bc2=+) 22.Bf3= Bc7 (22...Bb2 23.Bd5 Be6 24.Qb2 Bd5 25.cd5=+) 23.Bd5 Kh8 24.e4 Be6 (24...Be4? 25.Qe3 Bh2 26.Kh2 Qd6 27.Qg3 Qg3 28.Kg3 (28.fg3?! Bd5 29.cd5 Kg8+=) 28...Bd5 29.cd5+–) 25.Be6 Qe6 26.Qd5 Qe7 27.f3 Qd6 (27...Bf4 28.Kh1=) 28.Qd6 (28.g3 a6=) 28...Bd6 29.Kf2 Kh7 (worse 29...Bh2 30.g3+–) 30.h3 Kg6 31.Ke3 (31.g3 Kf7=) 31...Kg5 32.Kf2 Kh4 33.Bc3 Bg3 34.Kf1 Kg5 35.Bd2 Kg6 36.f4 Kf7 37.Ke2 g5 (37...h5 38.f5=) 38.Kf3 Bh4?? (38...gf4 39.Bf4 Bf4 40.Kf4 a6+=) 39.g3+– Bg3 40.Kg3 gf4 (40...a6 41.a4+–) 41.Bf4 h5 (41...Kg6 42.Bb8 a6 43.a4+–) 42.Bb8 a6 43.Ba7 b5 44.cb5 ab5 45.Bc5 Kg6 46.Kf4 Kh6 47.Kf5 (47.Kf5 Kg7 48.Bd4+–) 1–0. tsodikovich (1805) – peter_005 (1675), gameknot.com, 2017.

11.Nc3 Nc3 12.dc3 Rad8 13.Qb3 Ba5=+ 14.Rfd1 Bc7 15.Rd8 (15.c4 Bd6=) 15...Rd8 16.Rd1 (16.c4 Be4=+) 16...h6 (16...Rd1 17.Qd1 Qe4 18.Qb3=+) 17.Rd8= Nd8 18.c4 Nc6 (18...Be4 19.a3=) 19.Bd3 (19.a3 Be4=) 19...Qd7 (19...Bg4 20.Be2=+) 20.Bf5 Qf5 21.Bc3 Ba5 (21...b6 22.Qb5 Be5 23.Qc6 Bc3 24.h3=) 22.Ba1 (22.Qb7? Bc3 23.Kh1 Qe6–+) 22...b6 23.h3 f6 24.Nh4 (24.a3 Qe4=) 24...Qe4=+ 25.g4 (25.Nf3 Bb4 26.a3 Ba5=) 25...Ne7 (25...h5 26.f3 Qe6 A) 27.gh5 Qh3 28.Qd1 Qh4 29.Qd5 Kf8 30.Qc6 Qg3 31.Kf1 Qe1 32.Kg2 Qe2 (32...Qa1?! 33.Qc8 Ke7 34.Qb7 Kd6 35.Qd5 Kc7 36.Qf7 Kc8 37.Qe6 Kb7 38.Qd7 Kb8 39.Qe8 Kc7 40.Qf7 Kd8 41.Qd5 Ke8 42.Qe6 Kd8 43.Qd6 Ke8 44.Qe6 Kd8 45.Qd6 Ke8 46.Qe6=) 33.Kh3 Qc4–/+; B) 27.Nf5=+) 26.f3 Qe6 ½–½. Domingo,Jordi (2015) – Vezzani,Stefano (2070), FICGS, 2013.

11.Nc3 Rad8 12.Qb3 Bc3 13.dc3 b6 14.a3 (14.Rad1 Nf4 15.Bb5 Na5=) 14...Nf4=+ 15.Bb5 Na5 16.Qa4 Ng2 17.Kg2 Be4 18.Qe4 0-1. travisjolson (2145) - afda (2190), gameknot.com, 2020.

11.Nc3 Rad8 12.Nd5 Rd5 13.a3 Ba5 14.d4 Rfd8 15.Qa4 cd4 16.Nd4 Nd4 17.Bd4= Bc7 18.Bc4 (18.Qa7?? Ra5 19.Ba6 Ra6–+ (19...ba6?! 20.Bb6 Rd7 21.Qa8 Qf8 22.Qf8 Kf8 23.Ba5 Ba5 24.Rfd1–/+)) 18...R5d7 (worse is 18...Rd4 19.ed4 Qd6 20.g3+/–) 19.Qb5 (19.Qa7?? b5 20.Qa6 bc4 21.Qc4 h6–+) 19...Be4 20.Qh5 g6 21.Qe2 Be5 22.Rad1 Bd4 (worse is 22...Rd4 23.ed4 Bd4 24.Bd3+–) 23.ed4 Bd5 24.Qe7 Re7 25.Bd5 Rd5 26.Rd3 Rc7 27.f4 Rc4 28.Rfd1 Kf8 29.Kf2 Rc2 30.Kf3 f5 31.Rb1 b6 32.h3 h5 33.g3 Kf7 34.Rg1 Rc4 35.Rgd1 Ke6 36.R1d2 Ra5 37.Re2 Kd6 38.Re5 Rca4+= 39.Ree3 Rd5 40.Re8 Rad4 41.Rd4 Rd4 42.Rg8 Kd5 43.Rg6 Rd3 44.Kg2 Ra3 45.Rf6 Ke4 46.Re6 Kd3 47.Rd6 Kc2 48.Rd5 a5 49.Rf5 a4 50.Rh5 Rd3 51.Rh6 b5 52.Rb6 Rd5 53.g4 a3–/+ 54.g5 a2 55.Ra6+= Kb1 56.g6 Rd8 57.f5= Rg8 58.h4 b4 59.h5 b3 60.h6 b2 61.h7 Rb8 62.Ra2 Ka2 ½–½. Wantoch_Rekowski,Jacek (2305) – Kasperek,Ryszard (2280), Roman Kaminski Memorial Poland, 2006.

11.Nc3 Rad8 12.Nd5 Rd5 13.a3 Ba5 14.d4 Rfd8 15.Qa4 cd4–/+ 16.Nd4 Bd7 17.Qc2 Rc8 18.Qd1 Rd6 (18...Nd4 19.Bd4 Rd6 20.Rb1+=) 19.Bd3 (19.Rc1 g6=) 19...Ne5+= 20.Bb5 Nc4 (20...Rg6 21.Bd7 Qd7 22.Qh5+=) 21.Bc4 Rc4 22.Qf3 Rb6 23.Rab1 (23.Qe2 Rc7+=) 23...h6 24.Rfd1 Rc5 25.Ba1 Ba4 26.Rf1 Rb1 27.Rb1 Qc7 28.Rf1 Rc1 29.Qe2 Qc4 30.Qc4 Rc4 31.Bb2 f6 32.g4 Bd7 33.f3 Kf7 34.h4 g6 35.Rd1 Ke7 (35...Ba4 36.Rb1–/+) 36.Kf2+= Rc5 37.Rc1 Rc1 38.Bc1 Bb6 39.Bd2 Bd4 ½–½. Wantoch_Rekowski,Jacek (2305) – Falatowicz,Piotr (2210), Roman Kaminski Memorial Poland, 2006.

11.Nc3 Rfd8 12.Nd5 Rd5 13.a3 Ba5 14.Qb3 Rad8 15.Bc4 R5d7 16.d4 Be4 17.Ne5?? (better is 17.Be2+= was possible) 17...Ne5–+ 18.de5 Bd5?? (better is 18...Qg5 would have given Black the upper hand 19.g3 Qh5–+) 19.Bd5 Rd5 20.Rad1? Qd7 21.Rd5+= Qd5 22.Qd5 Rd5 23.f4 Kf8 24.Rc1? Bd2–+ (24...Bd2 25.Rb1 Be3 26.Kf1 Rd2–+) 0–1. Krebbers,Wilfried (1875) – Stanetzek,Carsten (2205), Kleve op, 2002.

11.Nc3 Rfd8 12.Nd5 Rd5 13.a3 Ba5 14.d4 Rad8 15.Bc4 R5d7 16.Rc1 cd4 17.Nd4 Nd4 18.ed4 Qh4 19.Qb3 Be4 20.Bd3 Bd3 21.Qd3 Bb6 22.Rfd1 Bd4?? (better is 22...Bc7 23.g3 Qf6=) 23.Bd4+– g6 24.g3 Rd4 25.Qd4 (25.gh4? Rd3 26.Rd3 Rd3–+) 25...Qd4 (25...Rd4?? 26.gh4 Rg4 27.Kf1+–) 26.Rd4 Rd4 27.Rc7 Rd1 28.Kg2 Rb1 29.a4 a5 30.Kf3 Rb4 31.Ke3 Kg7 32.Rc5 b6 33.Rc6 Kf8 34.h3 Ke7 35.h4 f5 36.f3 Kd7 37.Rf6 Ke7 38.Rc6 Kf7 39.Kd3 Kg7 40.Rc4 Rb3 41.Rc3 Rc3 42.Kc3 f4 43.gf4 Kh6 44.Kc4 Kh5 ½–½. Korchut,Adam (1990) – De Melo,Gerson Luis (2040), RA–2010-0-00090, 2010.

11.Bc4 Rad8 12.a3 Ba5 13.Qc1 Nb6 14.d4 cd4 15.Bd4 Nc4 16.Qc4=+ Nd4 17.Nd4 Be4 18.Qe2 Bg2!–/+ 19.Kg2 Rd4! 20.Qh5 Qe4 21.f3–/+ Rd5 22.fe4 Rh5 23.Rf5 Rf5 (24.ef5 Re8–/+) 0–1. Vieito Garcia,Victor Emilio (2115) – Adla,Diego Gustavo (2445), Nigran op, 1997.

11.d4 Rad8 12.a3 Ba5 13.Bc4 –/+.

11.d4 Rad8 12.Nbd2 cd4 13.Nd4 Nd4 14.Bd4 Nc3 15.Qe1 Ne2 16.Qe2 Rd4 17.Nb3 Bd3 18.Qb2 Rc4 19.Rfc1 Ba3 20.Qd2 Bc1 0–1. tightfist (2335) – munbehend, net–chess.com, 2014.

11.d4 Rad8 12.Bd3?? Ne3!–+ 13.fe3 Qe3 (13...Qe3 14.Rf2 Bd3–+ (worse is 14...Qd3 15.Qd3 Bd3 16.a3–+)) 0–1. Wolff,Heinz – Fuest,Gerd, BdF–50 qJVM51, 1996.

11.d4 Rfd8 12.a3 Ba5 13.Qb3 cd4 14.Nd4 Nd4 15.Bd4 Nf4 16.Bf3 Bd3 17.Rc1 Rd4 18.ef4 Re8 19.Nc3 Rc4 (19...Rf4?? 20.Nd5 (20.Qb7 Qe5 21.Nd5 Bd2–/+) 20...Qe6 21.Qd3+–) 20.h3 (20.Bb7?? Rc3 21.Qd1 Qb7–+) 20...Rec8 (20...Rf4?? 21.Nd5 Qe6 22.Qd3+–) 21.Na2 Bd2 22.Rc4 Bc4 23.Qb7 Qb7 24.Bb7 Rb8 25.Be4 Bf4 26.Nb4 g6 27.Nc6 Re8 28.Bf3 a6 29.g3 Bg5 30.h4 Bf6 31.Rc1 Bb5 32.Rc2 (better is 32.Na7!?=) 32...Re1–/+ 33.Kg2 Bf1 34.Kh2 Ra1 35.Nb8 Ra3 36.Bd5 Ra5 37.Bb3 Rb5 38.Rc8 (38.Nd7 Bd4 39.Ba4–+) 38...Kg7 39.Ba2 Rb2 40.Kg1 Bb5 41.Bc4 Bc4 (41...Bc4 42.Rc4 Rb8–+) 0–1. marvis (1760) – kasiaw166 (1810), internet, 2012.

12.Qa4 a6 13.Qc4 Rfd8=+ 14.Rc1 b6 15.Kh1 Rd6 16.d3 Rad8 17.Rd1 R6d7 18.Rc1 Nf6=+ 19.e4 Ng4= 20.Kg1 Nge5 21.Qc2 Nf3=+ 22.Bf3 Be6 23.Be2 Qg5 24.Rd1 Bh3 25.g3 Bg4 (26.f4 Qg6–/+; 25...Nd4 26.Bd4 Rd4 27.Bf3–+) 0–1. Labahn,Thomas – Bouterweck,P, corr, 1995.

12.Qa4 Rad8 13.Bb5 Nb6 14.Qf4 =+.

12.Qa4 Rfd8 13.Rc1 Bc7 14.Qh4 Rac8 15.Qe7 Nde7 16.g4 (16.Rc5!? Na5 17.Rb5+=) 16...Bg6 17.Nh4 Bb1 18.Rab1 Rd2 19.Kf1 b6 20.Nf3 Rdd8 21.h4 h6 22.Rd1 Kf8 23.g5 h5 24.Nd2 Ng6 25.Bh5 Nh4 26.Ke2 Be5 27.Bg4 (27.Rh1 Nf5+=) 27...Rb8 28.Rh1 Bb2 29.Rb2 Ng6 30.Bf3 Na5 (30...Nce7 31.Rc2+=) 31.Be4= Ke7 32.f4 (32.Bg6 fg6 33.Rh7 Kf7=) 32...Rh8 33.Rbb1 Rh1 34.Rh1 Rh8 35.Rh8 Nh8 36.f5 a6 37.Bd5 Kd6 38.e4 b5 39.Nf3 Nc6 40.Bc6 Kc6 41.Kd3 Kd6 42.a4 Kc6 43.a5 Kd6 44.Kc3 Ke7 (44...g6 45.f6+=) 45.Ne1 Kd7 ½–½. Wantoch_Rekowski,Jacek (2305) – Staniszewski,Jerzy (2350), Roman Kaminski Memorial Poland, 2006.

12.Qb3 Rad8 13.Nc3 Nf6 14.Rfd1 Bc7 15.h3 Bd3 16.Bd3 Rd3 17.Ne1 Rfd8?? (better is 17...Rd7+=) 18.Nd3+– Rd3 19.Qc2 Qd6 (19...Rd8 20.Ne2+–) 20.Ne2 (20.Nb5!? Qh2 21.Kf1 Rd5 22.Bf6 gf6+–) 20...Ne4 21.Nf4 c4 22.Qc4 (22.Nd3?? cd3 23.Be5 dc2 (23...Ne5?! 24.Qa4 Nf3 25.Kf1 Ned2 26.Rd2 Nd2 27.Ke1–+) 24.Bd6 cd1R (worse is 24...Nd6 25.Rdc1+–; worse is 24...Bd6 25.Rdc1+=; 24...cd1N?! 25.Bc7 Ndf2 26.Rb1–/+; 24...cd1B?! 25.Bc7 Ba4 26.d4=) 25.Rd1 Bd6–+) 22...Rd2 23.Rd2 (23.Qe4?! Rd1 24.Rd1 Qd1 25.Kh2 Qd7=) 23...Nd2 24.Qc3 f6 25.f3 (better is 25.Bc1 Ba5 26.Qc2+–) 25...Ne5 26.Kf2 1–0. orangutanb4 (1880) – sierrzant1 (1710), internet, 2011.

12.Qb3 Rad8 13.d4 Rfe8 14.Bc4 Nb6 15.Bb5 (15.d5 Nc4 16.Qc4 Nb8=) 15...Be4 16.Nbd2 Bd5 17.Qc2 Bd2 18.Nd2 cd4 19.Bc6 Bc6 20.Bd4 Qg5 21.f3 Nd5 (worse is 21...Re3 22.Be3 Qe3 23.Rf2=) 22.Ba7 (22.Qc5!?+=) 22...Ne3–/+ 23.Be3 Re3 24.Nc4 Rf3 25.Rf3 Bf3 26.Qf2 Bc6 27.h3 (27.Re1 b5 28.Ne5 Bd5–/+) 27...h6 (27...Bg2!? 28.Qg2 Qc5 29.Kh2 Qc7 30.Qg3 Qc4 31.Rg1–+) 28.Re1–/+ Rd3 29.Ne5 (29.Re3 Rd4 30.Nb2 Bg2 31.Re8 Kh7 32.Qg2 Qg2 33.Kg2 Rd2 34.Kf3 Rb2–+) 29...Rd2 (29...Rh3 30.Nc6 bc6 31.a4–+) 30.Qf7 Kh7 31.g4 Rg2 32.Kf1 Rh2 33.Nf3?? (33.Nc6 Rh1 34.Ke2 Qb5 35.Kf2 Qb2 36.Re2 Rh2 37.Kg3 Re2 38.Qf5 g6 39.Qf7 Qg7 40.Nd8–+) 33...Rh1 (better is 33...Qb5 34.Kg1 Qb6 35.Kh2 Qf2 36.Kh1 Bf3 37.Qf3 Qf3 (37...Qe1?! 38.Kg2=) 38.Kg1 Qg3 39.Kf1 Qh3 40.Kf2 Qg4–+) 34.Kf2 Bf3 35.Qf3 (35.Rh1 Bh1 36.Ke2 Qe5 37.Kf1 Qa1 38.Ke2 Qb2 39.Kd1 Be4–+) 35...Qh4 0–1. Quehl,Thomas (1830) – Bluebaum,Matthias (2095), 6th Moehnesee Germany, Open, 2010.

12.Qb3 Rad8 13.d4 Nf4 14.Bd1 c4 15.Qa2 Nd3 16.Bc3 b5 17.Ba5 Na5 18.Nc3 a6 19.Nd2 Bg6 20.Bf3 Qa7 21.Nd5 Rc8 22.Nc3 Rfe8 23.Rad1 Nb7 24.Nde4 Qb6 25.Nd2 Nd6 26.Ra1 a5 27.Rfb1 b4 28.Nd5 Qb8 29.ab4=+ ab4 30.Qa5 c3 31.Nb3 Nc4–/+ 32.Qa6 Na3 33.Rf1 Re6 34.Qa4=+ Qd6 35.e4 Be4–/+ 36.Be4 Re4 37.Nb4 Qb4 38.Ra3 Qa4 39.Ra4 c2 40.Nc1 Nb2?? 41.Rb4 Nd1 42.f3–/+ Re7 43.Rb3 Kf8 44.Rd3 Rc4 45.Rd2 Rd7 46.Ne2 Re7 47.Nc1 Re3 48.h4 Ke7 49.Kh2 Kd6 50.Kg3 Ra3 51.Re1 Ra1 52.Nd3? c1Q 53.Nc1 Rcc1 54.Re8 Nc3 55.Rg8 g6 56.Rg7 Ke6 57.Rh7 Ra2 58.Ra2–/+ Na2 59.h5 Nc3 60.hg6–/+ fg6 61.Rg7 Kf6–+ 62.Rd7 ½–½. Schiefelbusch,Dirk (2130) – Bluebaum,Karl Ernst (2270), Dortmund op–A, 2005.

12.Bb5 Rfd8 =+.

12.d4 Rfd8 13.Nbd2? cd4–+ 14.ed4? (better is 14.e4 Nc3 15.Bc3 Bc3 16.Rc1–+) 14...Bc3 15.Ra2 (15.Qc1 Bb2 (15...Qe2?! 16.Bc3 Rac8 17.Qb2–/+) 16.Qb2 Qe2 17.Qb7 Na5–+) 15...Bb2 16.Rb2 Nc3 (16...Nc3 17.Qe1 Ne2 18.Kh1 Ncd4 (worse is 18...Qa3 19.Nc4 Qc3 20.d5–+) 19.Nd4 Rd4–+) 0–1. cristero (2485) – pcmvr, net–chess.com, 2016.

11.Na3 Nb6 12.Rc1+= Bd3 13.Nc2 Ba5 14.Nce1 Be2 15.Qe2 Qd6 16.Qd3 Rad8 17.Qd6 Rd6 18.Rc5 Bd2 19.Rb5 Ba5 20.g3 Re4 21.Rb3 Nc4 22.Nc2 Nb2 23.Rb2 Re7 24.Ncd4 g6 25.Rc1 Nd4 26.Nd4 Bb6 27.Nb3 Rd5 28.Kg2 f5 29.a4 Kf7 30.Rbc2 Red7 31.Rc8 Rd3 32.Nc5 Bc5 33.R1c5 b6 34.Rc4 Ke6 35.g4 fg4 ½–½. Benassi,Aspasio (2290) – Connelly,Kevin John (2215), WS/M/407 ICCF, 2012.

11.Na3 Nb6 12.Nc4 Bd3 13.Rc1? (better 13.Nb6 ab6 14.a3=) 13...Nc4-/+ 14.Rc4 Bc4 15.Bc4 Qd6 16.Qb1 Re7 (worse 16...Bd2 17.Rd1 Qg6 18.Qg6 hg6 19.Rd2+/-) 17.h4 (17.a3 Ba5-/+ (17...Bd2 18.Rd1+/-)) 17...Qg6 (17...Rd8 18.a3 Ba5 19.Qf5-/+) 18.Bd3 (18.Qg6!? hg6 19.a3=+) 18...Qh5 19.Bf5 (19.a3 Ba5-/+) 19...Rd8-+ 20.g4 Qh6 21.Kg2 g6 (21...c4 22.Rc1 b5 23.d3-/+) 22.Bd3 Red7 23.Be4 Qf8 (worse 23...Bd2 24.Bf6 Bb4 25.Bd8 Nd8 26.Rd1 Rd1 27.Qd1=+) 24.h5 Qd6 25.Rh1 (better 25.hg6 fg6 26.d3-+) 25...Bd2?? (25...Qe6 26.Rh4 Rd6 27.d4-/+) 26.g5? (better 26.Nd2 Qe6 27.Nf1-/+) 26...Qe6-+ 27.Rh4 Bb4 (27...Ne7 28.Bf6 Rd6 29.hg6 fg6 30.Bc2=) 28.a3 Rd1 (better 28...Bd2!?-/+) 29.Qc2= Ba5 30.Bf6 R8d2 31.Nd2 Rd2 32.hg6 fg6 33.Qb1 Ne7 (33...Qf7!?+=) 34.Qb7 (34.Bb7?! Nf5 35.Re4 Qd7+=) 34...Rd7 35.Qb8 Bd8 36.Bc2 (36.Bc2 c4 37.Rc4+-) 1-0. shahovski (2285) - marekt (2170), gameknot.com, 2020.

11.Na3 Qc7 12.Rc1 Rad8 13.Nc4 a6 14.a3 Ba5 15.Nh4 Be6 16.Qc2 b5 17.Na5 Na5 18.Nf3 c4 19.Ng5 g6 20.Bf3 f6 21.Ne6 Re6 22.d3 Nb6 23.Rfd1 Red6 24.Bd4 R8d7 25.dc4 Nbc4 26.Bg4 Rd8 27.Be2 Rc6 28.Qa2 Qf7 29.Rb1 Nb6 30.Qb2 Nac4 31.Qa1 Qe7 32.Rbc1 Rdc8 33.Bg4 R8c7 34.Bf3 Rd6 35.Qc3 Kf7 36.h3 Nd7 37.a4 Nde5 38.Be2 Rdc6 39.ab5 ab5 40.Qb3 Kg7 41.Ra1 Nd6 42.Ra8 Qf7 43.Qb4 Qe7 44.f4 Nd7 45.e4 Kf7 46.Bd3 1–0. Blittkowsky,Ralf (1770) – Koronowski,Juergen (1830), RC–2011–0-00077, 2011.

11.Qb3 Na5 12.Qa4 Nb6 =+.

11.Qb3 Qe7?? 12.a3?? Rad8? 13.Bf6?? Nf4 14.Rd1 Nd5 15.a4 Bd2 16.Qb7 Kh8 17.Nc3 Rg8 18.Nd2 Rd7 19.Qb3 h5?? 20.a5 Ne3?? (21.Be7 Nd1 22.Bc5 Nc3 23.Qc3 Rgd8+–; Better is 20...Nf6 21.Nc4 Rb8+=). Akopian,Varuzhan (2655) – Ponomarev,Ruslan, EU–chJM U12 Verdun, 1995.

11.Qc1 Qe7 12.Nc3 Rad8 13.Na4 Nf4 14.ef4 Qe2 15.a3 Bd2 16.Qc5 Bg6 17.Nc3 Qe6 18.Nd2 Rd2 19.Nd1 f6 20.Bc1?? Rd1–+ (20...Rd1 21.Be3 b6–+) 0–1. Akobian,Varuzhan – Ponomariov,Ruslan, EU–ch U12 Verdun, 1995.

11.Qc1 Nf4 12.ef4 Re2 13.a3 Ba5 14.Qc5 Bg4 15.Ng5 Qd7 16.h3 Bh5 17.Ne4 Bg6 18.Ng3 Bb6 19.Qg5 f6 20.Qg4 Qg4 21.hg4 Ree8 22.f5 Bf7 23.Nc3 Ne5 24.Na4 Bc7 25.Be5 Be5 26.Nc3 Rad8 27.Rad1 Bc4 28.Rfe1 Bd3 29.Re3 Kf7 30.Nge4 Bf4 31.Ree1 Bc2 32.Rc1 Bd2 33.Nd2 Rd2 34.f3 Re7 35.Re7 Ke7 36.Kh2 Kd7 37.Kg3 b6 38.a4 Kd8 39.Nb1 Bb1 40.Rb1 Rd4 41.Ra1 a5 42.Kf2 Kd7 43.Ke3 Rc4 44.Kd3 Rb4 45.Ke3 Rb3 46.Ke4 b5 47.ab5 Rb5 48.Kd3 Kd6 49.Kd4 h6 50.Re1 Rb4 51.Kc3 Rb7 52.Re2 Kc5 53.Re4 Ra7 54.Rd4 a4 55.Rc4 Kb5 56.Rb4 Kc6 57.Rc4 Kd5 58.Rd4 Kc5 59.Rc4 Kd6 60.Rd4 Kc5 Game drawn by repetition ½–½. BlackDemon (2610) – Nauliar (1650), FICS rated standard game, 2013.

11.Qc1 Nf4 12.ef4 Re2 13.a3 Bb1 14.Rb1 Ba5 15.Qc5+= Bb6 16.Qc4 Qe8 17.Be5+– Re5 18.fe5 Ne5 19.Ne5 Qe5 20.Rbc1 g6 21.Rc3 Re8 22.Rf3 Re7 23.Rc1 Bc5 24.g3 Rc7?? 25.d4+– (25.d4 Qd6 26.dc5+–) 1–0. Szczesiak,Z – Antoszewski,M, corr Poland, 1994.

11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 Qf6 14.c4 (14.Qb3 b6=+) 14...Red8 15.Qb3 Nb4 16.a3?? (better 16.Rac1=+) 16…Bc2–+ (16...Bc2 17.Qb4 cb4 18.ab4 Qb2–+) 0–1. tsodikovich (1855) – chigorin1899 (1955), gameknot.com, 2018.

11.Nc3 h6 12.Nd5 Qd5 13.Qc2?? (better is 13.a3 Ba5 14.Rc1=) 13…Bc2–+ 0–1. elsh1403 – predatore63 (2095), internet, 2011.

11.d3 Qd6 12.Nbd2 Rad8 13.Nc4 Qh6 14.a3 b5 15.ab4 bc4 16.b5 (16.dc4? Ne3 17.Qc1 Nf1 18.Qh6 gh6 19.Kf1 cb4–+; worse is 16.bc5 cd3 17.Bd3 Bd3 18.Qd3 Ne3 19.Qd8 Rd8–/+) 16...Ncb4 17.dc4 Ne3 18.Qa4 (better is 18.Qc1 Nf1 19.Qh6 gh6 20.Bf1+=) 18...Ng2!–+ 19.Kg2?? (better is 19.Ne5 Nf4 20.Bf3–+) 19...Re2 20.Qa7 (20.h4 Be4 21.Rad1–+) 20…Qh3 (20...Qh3 21.Kg1 Qg4 22.Kh1 Qf3 23.Kg1 Qg4 24.Kh1 Be4 25.f3 Qg2) 0–1. craig4000 – marekt, ChessWorld.net, 2013.

11.d3 Qd7 12.a3 Ba5 13.e4 Nf4–/+ 14.Nbd2 Rad8 15.Rc1 b6 16.Nc4 Be4 17.de4 Qg4 18.Ne3 Rd1 19.Ng4 Ne2 20.Kh1 Rc1 21.Bc1 Re4 22.Ne3 Ncd4 23.Nd2 Re3 24.fe3 Nc1 25.ed4 Bd2 26.Rf5 g6 (27.Rf2 Be3 28.dc5 Bf2–+; 26...cd4 27.Rd5 Kf8 28.Rd4–+) 0–1. Friberger,Torbjoern – Schwertel,Gottfried, corr 3GMM–38, 1995.

11.d3 Qe7 12.Nbd2 Nf4 13.e4 Bg4 14.Nb3 Rad8–+ 15.Nc1? Ne2 16.Qe2 c4! 17.h3? Bf3 18.gf3 c3 (18...c3 19.Bc3 Bc3–+) 0–1. Agrest,Roman – Colombrini,Adolfo, III EUICC Arvier ITA, 2007.

11.d3 Qe7 12.d4 Rad8 13.a3 Ba5 14.Qb3 cd4 15.Nd4 Be4 16.Rd1 Nd4 17.Bd4 Qe6 18.Qb2 Rc8 19.Rc1 Rc1 20.Qc1 Rc8 21.Qf1 Bb6 22.Nd2 Bd4 23.ed4 Bg2 24.Qg2 Qe2 25.Qd5 Qd2 26.Qb7 Qg5 27.Kf1 Qf5 28.Qa7 Qd5 29.Kg1 h6 30.Re1 Rc6 31.Qb8 Kh7 32.Qb1 Rg6 33.Kf1 f5 34.Qa1 Rg2 35.Re3? Rh2–+ (35...Rh2 36.Rg3 Qh1 37.Rg1 Qf3–+) 0–1. Sternik,Ryszard (1990) – Skonieczny,Jerzy (2000), corr, 2000.

11.d3 Bg6 12.a3=+ Ba5 13.Nbd2 Nc3 (13...Bc3!? 14.Qb3 Na5=+) 14.Bc3= Bc3 15.Rc1 Bb2 16.Rb1 Ba3 17.Rb7 Bb4 (17...Na5 18.Rb1=) 18.Nc4 Na5 19.Na5 Qa5 20.Qa1 Qa1 21.Ra1 a5 22.Nh4 Reb8 23.Rb8 Rb8 24.Ng6 hg6 25.h4 Bc3 26.Ra2 Rb1 27.Kh2 Kf8 28.Bf3 Ke7 29.Bd5 f6 30.Kg3 Kd6 31.Bf7 g5 32.hg5 fg5 33.Kg4 Ke7 34.Bc4 Kf6 35.g3 Re1 36.Ra3 Bb4 37.Ra4 Re2 38.Ra2 Re1 39.e4 Rg1 40.Re2 Bc3 41.Re3 a4 42.Rf3 Ke7 43.Rf7 Kd6 44.Ra7 Bd4 45.Ra6 Kd7 46.Kg5 Bf2 47.g4 Ra1 (47...Bd4 48.Ra4 Bf6 49.Kh5=) 48.Bb5 (48.e5!? Bd4 49.e6 Kc7 50.Kg6+/-) 48...Ke7 49.Ba4 Bd4 50.Kg6 Rg1 51.g5 Be3 52.Ra7 Kd6 53.Kg7 Bg5 (53...Rg5? 54.Kf6 c4 55.Ra6 (55.dc4?! Ba7 56.Kg5 Kc5=) 55...Kc7 56.Rc6 (56.dc4?! Rc5+/-) 56...Kb7 57.Rc4+-) 54.Kf7 Bf4?? (better 54...Rf1 55.Ke8 Rb1=) 55.Rd7 Ke5 56.Rd5 1-0. Jacobson,Brandon (2400) - Hong,Andrew (2390), PRO League Group Stage, 2019.

11.d4 Rc8 12.Nbd2?? (better is 12.a3 Ba5 13.dc5+=) 12...cd4–+ 13.Nd4 Nd4 14.Bd4 Nf4 (14...Bc2 15.Qc1 Ba4 16.Qb1 Bd2 17.Qb7–+) 15.Bf3? (better is 15.Bg4 Qg5 16.ef4 Qg4 17.Qg4 Bg4 18.Nb3–/+) 15...Bc2–+ 16.Qe1 Nd3 (16...Ne6!? 17.a3 Ba5 18.Ba7 Bd2 19.Qe2–+) 17.Qe2 Nf4 18.Qe1 (18.ef4 Qd6 Double attack (18...Re2 Pinning; 18...Re2 Deflection; 18...Qd6 Decoy)) 18...Nd3 19.Qe2 Nf4 20.Qe1 (20.ef4 Qd6 Double attack (20...Re2 Pinning; 20...Re2 Deflection; 20...Qd6 Decoy)) ½–½. carocan (1670) – lolo5125, internet, 2012.

11.d4 Qd6 12.a3 Ba5 13.dc5 Qc5 14.Nbd2?? Ne3!–+ 15.fe3 Qe3 16.Kh1 Qe2 17.Nd4 Qd1 18.Rad1 Nd4 19.Bd4 Be6 20.Nf3 Bc4 21.Rf2 a6 22.Bc5 Rad8 23.Rc1 b5 24.h3 Re2 25.Re2 Be2 26.Nd4 Bc4 27.Nc6–/+ Bd2 28.Rc4 bc4 29.Nd8 c3 30.a4 c2 31.Ba3 c1Q 32.Bc1 Bc1 33.g4 Kf8 34.Kg2 Ke7 35.Nc6 Kd6 36.Nd4 g6 37.Kf3 Kd5 38.Ne2 Bd2 39.Ng3 Kc4 40.Ne4–/+ Bc1 41.Nd6 Kb4 42.Nf7 Ka4 43.Ke4 Kb4 44.Ne5 Kb5 45.Kd3 a5 46.Nd7 Kb4 47.Kc2 Bh6 48.Nf6 a4 49.Nd5 Kc4 50.Nb6 Kd4 51.Na4=+ Ke3 52.Nc5 Kf3 53.Kd3 Kg2 ½–½. arturo – HELTERSKELTER, ChessWorld.net, 2008.

11.d4 Qd6 12.a3 Ba5 13.dc5 Qc5 14.Nd4 Qb6 15.Ra2 (15.Nf5 Qb2 16.Qd5 (16.Bc4 Qa1 17.Qd5 Rf8 18.Nd2 Qa3 19.Nf3 Rad8 20.Qe4 g6) 16...Qa1 17.Bc4 Rf8 18.Nd2 Qa3 19.Ne4 Rad8 20.Ned6 Bc7) 15...Bg6 (15...Be6 16.Nc6 (16.Ne6 fe6 17.Bc4 Qc7 18.Qb3 Rad8 19.Rc1 Qb6 20.Qc2 Rd7) 16...bc6 (16...Qc6 17.Qd4 f6 18.Rc1 Qd7 19.Ra1 Rac8 20.Nd2 Bb6) 17.Bc4+= (17.Bd4 c5 18.Rb2 Qd6 19.Bc3 Bc7 20.g3 Reb8) 17...Qc5 18.Qb3 Rab8 19.Bd4 Qd6 20.Qc2 c5; 15...Nd4 16.Qd4 (16.Bd4 Qg6 17.Qb3 Rad8 18.Rd1 Re7 19.g3 Be6 20.Qa4 b6) 16...Qd4 17.Bd4 Rac8 18.Bf3 Be6 19.Rb2 b6 20.Rd1 Red8) 16.Nc6 (16.Nd2 Ne5 17.Nb5 a6 18.Qb3 Bd2 19.Be5 Re5 20.Rd2 Ne3) 16...bc6 (16...Qc6 17.Qd4 f6 18.Rc1 Bb6 19.Qd2 Qe6 20.Bc4 Be4) 17.Bc4 (17.Qd4 Qd4 18.Bd4 Rab8 19.Nd2 c5 20.Ba1 Red8) 17...Rab8 (17...Rad8 18.Qc1 Re4 19.Bd4 Rd4 20.ed4 Qd4) 18.Bd5 cd5 19.Nc3 (19.Qd5? Red8 20.Qc4 Bd3–+) 19...Qa6 (19...Red8 20.Ne2 f6) 20.Qd4 Bb6 21.Qa4 Bd3 22.Rc1 Qc4 23.Raa1 Bc7 24.Qc4 dc4 25.Na4 Bd6 26.Bd4 Rb3 27.Nc5 Bc5 28.Bc5 c3 29.Ba7 c2 30.f4 (better is 30.f3!?–/+) 30...Rb1–+ 31.Bd4 Reb8 (31...Reb8 32.Kf2 Ra1 33.Ba1 Rb1 34.Rc2 Bc2–+) 0–1. bridlingtonbrummie – JFRAY, ChessWorld.net, 2011.

11.d4 Qf6 12.Kh1 Rac8 (12...Rad8!?=+) 13.a3= Ba5 14.Qb3 Be6 (14...Qd6 15.dc5 (15.Qb7?? Rb8 16.Qa6 Rb2–+) 15...Qc5 A) 16.Qb7 Rb8 17.Bd4 Nd4 (17...Rb7?! 18.Bc5 Reb8 19.Bc4+=) 18.ed4 Rb7 19.dc5 Re2–+; B) 16.Nbd2 Bd2 17.Nd2=) 15.dc5 (15.Bc4 Rcd8+=) 15...Qe7 16.Qc2 b6 17.cb6 (17.Bd3 bc5 18.Bh7 Kf8+/–) 17...Bb6 (17...Nd4 18.Qd3 Nc2 19.ba7 Na1 20.Ba1=) 18.Qa4 Bd7 19.Bb5 Rc7 (19...Bc5 20.Rd1 Nb6 21.Qf4+/–) 20.Rd1+/– Nf6 21.Nc3 Rec8 22.Qf4 Nb8 (22...Ng4 23.Qg3 Be6 24.Nd5+–) 23.Bd3 Rc5 (23...Bc5 24.Nb5 Ng4 25.Ne5 (25.Nc7? Nf2 26.Kg1 Nh3 27.gh3 Be3 28.Kh1 Bf4–+) 25...Bb5 26.Bb5+–) 24.Na4 Ng4 (24...Ba4 25.Qa4 Nbd7 26.Rab1+–) 25.Kg1 Bc7 (25...R5c6 26.Nb6 ab6 27.Nd4+–) 26.Qd4 Re5 (26...Be5 27.Ne5 Re5 28.Qa7+–) 27.h3 (27.Ne5 Be5 28.Qa7 Bh2 29.Kf1 Qh4+=) 27...Nf6? (better is 27...Nc6 28.Qd7! Qd7 29.Bh7 Kh7 30.Rd7 Ra5 31.Rf7 Nge5 32.Ne5 Ne5+–) 28.Ne5 Be5 29.Qe5 Qe5 30.Be5 Ba4 31.Rac1 (31...Nc6 32.Rd2+–; 31.Rdc1 Rd8 32.Bf6 gf6+–) 1–0. Mehlhorn,U – Nolden,H, M–357–D, 2001.

11.Re1 Qd6 12.Na3 Qh6 (12...Rad8 13.Nc4 Qc7 14.Rc1 b5 15.a3 bc4 16.ab4 c3 17.Bc3 Nc3 18.Rc3; 12...Qe7 13.Nc4 b5 14.a3 bc4 15.ab4 cb4 16.Bc4 Red8 17.Qc1 Be4 18.Bd5; 12...Red8 13.Nc4 (13.Rc1 Ba3 14.Ba3 Ncb4 15.d4 Rac8 16.Bc4 Nb6 17.Bb5 Qd5 18.Qd2) 13...Qe6 14.Rc1 b5 15.a3 bc4 16.ab4 c3 17.Bc3 Nc3 18.Rc3; 12...Ba3 13.Ba3 Ncb4 14.d4 Rac8 15.Rc1 a5 16.dc5 Rc5 17.Rc5 Qc5 18.Qd4) 13.Nc4 (13.Rc1 Rac8 14.h3 Re7 15.Qb3 Rd8 16.Nb5 a6 17.Nc3 Bc3 18.dc3; 13.h3 Rad8 14.Rc1 Be4 15.Nc4 Nb6 16.a3 Bf3 17.ab4 Be2 18.Re2) 13...b5 14.Nce5 (14.a3 bc4 15.ab4 Ndb4 16.Bc4 Nc2 17.Ra6 Ne1 18.Qe1) 14...Ne5 15.Be5 (15.Ne5 c4 16.Bh5 Be6 17.a4 Bd6 18.f4) 15...c4 (15...Be4 16.Bg3 c4 17.Nd4 Qb6 18.a4) 16.a4 (16.e4 f6 17.ef5 fe5 18.Qb1) 16...Be4 17.Bg3 (17.Bd4 a6 18.Ne5) 17...a6 18.Nd4 Qb6 19.ab5 ab5 20.Bf3 Ra1 21.Qa1 Bf3 (worse is 21...Bd2 22.Be4 Nc3 23.Bc6+/–) 22.Nf3 c3 23.Qa2 cd2 24.Nd2 Nc3 25.Qb2 Ba5 26.Ra1?? (better is 26.e4+=) 26...Ne2–+ 27.Kf1 Bc3 (27...Ng3?! 28.hg3 Bd2 29.Qd2+=) 28.Qa2 Ng3 29.hg3 Ba1 30.Qa1 b4 31.Qa4 Rb8 32.Qb3 Qa6 33.Ke1 Qa3 34.Ke2 Rd8 35.Qc2 Qc3 (35...Qc3 36.Kd1 Rd3–+) 0–1. Vasut,Karel (2190) – Hodova,Lucie (2125), Highlands Open A, Zdar nad Sazavou CZE, 2007.

12.Qb3 b6 13.Bc4 Be6 14.Qa4 Qd6 15.Ng5 Ne5 16.Qc2 Nf6 17.Ne6 fe6 18.Be2 Rad8 19.Qd1 Nd3 =+.

12.Qb3 Qb6 13.Bc4 Qb3=+ 14.Bb3 Rad8 15.Rc1 Bb6 16.Bc2 Bg4 17.Ng5 h6=+ 18.Ne4 c4 19.h3 Be2 20.Ng3 Bd3 21.Bd3 cd3 22.Nf5 f6 23.a4 Kh7 24.Ra3 Ndb4 25.Rb3 Na2 26.Rd1 Re4 27.Ra3 Nab4 28.Ng3 Rc4 29.Rc3 Rc3 30.Nc3 Ne5 31.Nb5 Nc4–/+ 32.Bd4 Bd4 33.Nd4 Nc2 34.Nf3 N4a3 35.Ne4 b6 36.Rc1 a6 37.Nc3 b5–/+ 38.ab5 ab5 39.Ne4 Rd5 40.Nc3 Rc5 41.Ne4 Rc4 42.Nd6 Rc6 43.Nb7 b4 44.Na5 Rb6 45.Nb3 g5 46.Kf1 Kg6 47.Ne1 Rd6 48.Nc2 dc2 49.Ke2 Rc6 50.Nd4 Rc8 51.g4 Nb5 52.Nb3 h5 53.Kd3 Na3 54.Nd4 Rc7 55.Ke2 h4=+ 56.f3 Kf7 57.Kd3 Ke7 58.Ke4 Rc8 59.Kd3 Kd7 60.Ke4 Nb5 61.Nb3 Ke6 62.Kd3 Na3–/+ 63.Ke4 Kf7 (63...Kd6 64.Kf5 Ke7 65.f4 gf4 66.Kf4 Rc4 67.e4–/+) ½–½. Van Rooijen,Peter – Migliorini,Roberto, The Climb MUL/0/86, 2001.

12.Qb3 Qb6 13.Qd5?? Be6–+ (13...Qb2?! 14.Nc3 Bc3 15.Qf5+= (15.dc3?! Be4 16.Qc4 Na5+=)) 14.Qh5 Qb2 15.Ng5 (15.Nc3 Bc3 16.Ng5 Qd2–/+) 15...h6 (better is 15...Qa1 16.Qh7 Kf8 17.Ne6 fe6–+) 16.Ne6 Re6 (16...fe6?! 17.Nc3 Bc3 18.dc3 Qc3 19.Rfc1=) 17.Nc3 Bc3 18.Bc4 g6 (18...Bd2!? 19.Be6 fe6 20.Qc5–+) 19.Qh3–/+ Rd6 (19...Qd2 20.Rfd1 Qc2=) 20.Ra2= Qb6 21.dc3 Ne5 22.Qh4 Rad8 23.Qe4 Nc4 24.Qc4 Rd1 25.Ra1 Ra1 26.Ra1 Qb2 27.Rf1 Qa3 28.e4 b5 29.Qb5 Qc3 30.h4 h5 31.Qa4 a5 32.e5 Qe5 33.Qa5 Rd4 34.g3 Qd5 35.Rc1 Rd1 36.Rd1 Qd1 37.Kh2 Qd4 38.f4 c4 39.Qc7? c3 40.f5 Qd2 41.Kh3 gf5 42.Qb8 Kh7 43.Qc7 Qd5 44.Kh2 Qa2 45.Kh3 c2 46.Qc5 Qb2 47.Qf5 Kg8 48.Qg5 Qg7 49.Qd8 Kh7 50.Qc7 Qg4 (50...Qg4 51.Kg2 Qe2 52.Kg1 Kg6 53.Qc6 f6–+) 0–1. Vasut,Karel (2150) – Jedlicka,Ales (2285), CZE–chT2D, 2008.

12.Qb3 Nb6 13.d4 (13.Rc1 c4 14.Bc4 Nc4 15.Qc4 Be4=) 13...Be6 14.Qb5 c4 15.Bc3 (15.Nc3 Nd5 16.Nd5 Qd5 17.Qd5 Bd5+=) 15...a6 16.Qh5 Nd5 17.Ba5 Na5 18.Ng5 h6 (18...Nf6 19.Ne6 Re6 20.Qf5+=) 19.Ne6+= fe6 20.Qg6 Qf6 21.Qf6 gf6 22.g3 f5 23.Bf3 b5 24.Bd5 ed5 25.Nc3 Red8 26.Kg2 Nb3 27.Ra2 Rab8 28.Kf3 Kg7 29.Kf4 Kf6 30.Rb1 a5 Black prepares b4 31.a4 (31.h3 Ke6+=) 31...b4–/+ 32.Ne2 Rbc8 33.Rc2 Re8 34.h4 Rcd8 35.Rd1 Rc8 36.Rb1 Rcd8 37.Kf3 (37.Rd1 Re4 38.Kf3–/+) 37...Rb8 (37...Re4 38.Rcb2–/+) 38.Kg2 (38.Nf4 Red8+=) 38...Rec8 (38...Ke6 39.Kf1–/+) 39.Nf4+= Rd8 40.Kf1 Rd7 (40...Ke7 41.Ke2 Kd6 42.Kd1+=) 41.Ke1= Re8 42.Kd1 Re4 (42...Red8 43.Rb3 cb3 44.Rc5+/–) 43.Nd5 (better is 43.Rb3 cb3 44.Rc5+/–) 43...Rd5+= 44.Rc4 Nd4 45.ed4 (45.Rd4 Rdd4 Combination; 45.ed4 Rdd4 Double attack) 45...Red4 46.Rd4 Rd4 47.Kc2 Ke5 48.Re1 (48.Rb3 f4+=) 48...Re4 49.Rd1 (49.Rf1 Kd5 50.Kb3 Rd4–/+) 49...Re2–/+ 50.Kb3 Rf2 51.Kc4? (51.Re1 Kd4 52.Rd1 Kc5 53.Rc1 Kd5 54.Rd1 Kc6 55.Rc1 Kd6 56.Rc8–/+) 51...Rf3?? (51...Rc2 52.Kb5 Rc8 53.Ka5–+) 52.Rg1?? (better is 52.Rd5 Ke4 53.Ra5 Rg3 54.Ra7+= (worse is 54.Kb4 f4 55.Ra7 f3–+)) 52...b3–+ 53.Kb5?? (53.Re1 Kd6 54.Rg1–+) 53...b2 54.Ka5 (54.Rb1 Rb3 55.Kc4 Rb4 56.Kd3–+) 54...Rb3 55.Rb1 Ke4 56.Ka6 Kf3 57.a5 Kg3 58.Ka7 f4 59.a6 f3 60.Ka8 f2 61.h5 f1Q! 62.Rf1 (62.Rf1 Ra3 Combination) 62...b1Q 63.Rb1 Rb1 64.a7 Ra1 65.Kb7 Kg4 0–1. Melich,Jindrich (2090) – Sarakenidis,Nikolaos (1920), Eretria GRE,1st Open, 2014.

12.Qb3 Qd6 13.Nc3 (13.Qb7?? Rab8 14.Qa6 Rb2–+) 13...Nc3 (13...Bc3 14.dc3 Na5 15.Qb5=) 14.Bc3 Bc3 15.Qc3 (15.dc3 Qe7=) 15...Rad8 16.Rac1 (16.Rad1 b6=+) 16...b6 17.d4 Nd4 18.ed4 Re2 19.dc5 bc5 20.Qc5 Qc5 21.Rc5 Be4 (21...g6 22.Rc7=+) 22.Ng5 (22.Nd4 Rb2=) 22...Bg6=+ 23.Ra5 (23.Nh3 Re4=) 23...f6 (23...Rd7 24.Nh3=+) 24.Nh3 Rd7 (24...Re7 25.Nf4=+) 25.Nf4= Ra2 (25...Re4 26.Ng6 hg6 27.g3=) 26.Ng6 hg6 27.h4 Rd3 Attacks the isolani on a3 (27...Rc2 28.g3=) 28.Ra7 Rda3 29.Rb7 Ra7 30.Rb8 (30.Rfb1 Kh7=) 30…Kf7 ½–½. Emperado,Emmanuel (2230) – Frayna,Janelle Mae (2320), PHILIPPINE INTERNATIONAL OPEN, 2016.

12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 +=.

12.d3 Nb6 13.Nc3 Nd7 (13...Qd7 14.Nh4=) 14.Qc2 c4 (14...Qe7 15.Nd5 Qd6 16.Nf4=) 15.e4 (15.Rfd1!?+=) 15...cd3=+ 16.Bd3 Bg6 (16...Bg4 17.Be2=+) 17.Rfd1 (17.Rad1=) 17...Nf6 Now all is on e4 (better 17...Nc5!?=) 18.e5+– Nd7 19.Bg6 hg6 20.Nb5 (20.Ne4 Re7+–) 20...Qe7 (20...Bc7 21.Qe4+–) 21.Nd6 Reb8 (21...Nde5 22.Ne5 Ne5 23.Ne8 Re8 24.Rab1+–) 22.e6! Qe6 (22...Qe6 23.Nd4 Double attack (23.Nd4 Decoy); 22...fe6 23.Qg6 Deflection) 23.Ng5+– Qg4 24.Ndf7 Nf6 (24...Nde5 25.Ne5 Ne5 26.Be5 Qg5 27.Qb3 Kh7 28.Bb8 Rb8+–) 25.Nh6 gh6 26.Qg6 Kf8 (26...Kh8 27.Bf6) 27.Qf7 1–0. tsodikovich (1860) – mavu (1940), gameknot.com, 2018.

12.d3 Rc8 13.Nfd2=+.

12.d4 Qb6 13.Ra2 Rad8 14.Bd3 Bd3 15.Qd3 cd4 16.Nd4 Nf4 17.Qf5 Nd4 18.Bd4 Qe6 19.Qe6 Ne6 (worse is 19...fe6 20.Ba7 Nd3 21.Bd4=) 20.Bc3 Rd5 21.g3 Rc8 22.Ba5 Ra5 23.Rb2 b6 24.Rd1 Kf8 25.Rb3 Ke8 26.Kf1 Rc2 27.Rd2 Rc1 28.Ke2 Nc5 29.Rb4 Ra4 30.Rdb2? (better is 30.Ra4!? Na4 31.Rd4+=) 30...Rb4–/+ 31.Rb4 Rc2 32.Kf3 Nd3 33.Re4 Kf8 34.Rd4 (34.Rh4 h6 35.Ke4 Nf2 36.Kd4–+) 34...Rf2 35.Kg4 Ne5 36.Kh3 g5 (36...g5 37.g4 Rf3 38.Kg2 Re3–+) 0–1. Abreu Suarez,Isauro (2025) – Fernandez Garcia,Jose Luis (2430), Championship de Tenerife por Equipos –2015.

12.d4 Qb6 13.Qc1 cd4–+ 14.Nd4 Nd4 (14...Nf4! 15.Bf3 Nd3–/+) 15.Bd4 Qg6 16.Bf3 Red8 (16...Rac8 17.Qb2 Bd3 18.Rd1–/+) 17.Qb2+= Rac8 18.Rc1 (18.Nd2 Rc2 19.Qb5 A) 19...Rd2?? 20.Qa5 (20.Bd5?! Bb6=) 20...b6 21.Qd2+–; B) 19...Bd2 20.Bd5 b6+=) 18...Rc1 19.Qc1 Nf4 20.ef4 Rd4 21.Nc3 Rc4 (better is 21...Qe6!? 22.Bb7 g6–/+) 22.Qe3= Qe6 23.Qe6 (23.Nd5!? b6 24.Ne7 Kf8 25.Nf5 Qf5 26.Rd1+=) 23...Be6+= 24.Ne4 (24.Nd5 Rd4 25.Ne3 Rf4 26.Bb7 Rd4–/+) 24...Rc2 25.Ng5 Ba2 (25...Bb6 26.Ne6 Rf2 27.Kh1 fe6 28.Bg4+=) 26.Be4 (26.Bb7 Bb6 27.Nh3 Be6+=) 26...Rb2 27.Bh7 Kf8 28.Bd3 (28.Be4 f6 29.Nh3 b5+=) 28...Rd2 (28...Bb6 29.Rf1+=) 29.Be4 (29.g3 Bb3 30.Be4 Bb6=) 29...b5 30.Bc6 Rb2 31.Nh3 (31.Ne4 f5 32.Nc5 Bb1+=) 31...Bb1+= 32.g3 (32.g4 Ke7+=) 32...Bc3 33.Bd5 Bd4 34.Kh1 (34.g4–/+) 34...Bf5 (34...Ke7 35.Kg2–/+) 35.Kg2 (35.Ng5!?=) 35...Rf2+= 36.Nf2 Ba1 37.Bc6 a6 38.Bb7 a5 39.Bc6 (39.Kf3 Ke7 40.Bc6 b4 41.ab4 ab4–/+) 39...b4 40.ab4 ab4 41.Ba4 (41.Kf3 Bd4 42.Be4 g6–/+) 41...Bd4 (41...Be6 42.Kf3–+) 42.Kf3 (42.Bb3 Ke7 43.Kf3 Be6 44.Be6 Ke6–+ (44...fe6?! 45.Ne4+=)) 42...Be6–+ 43.Bc2 f5 (43...b3 44.Bb1–+) 44.Nd3 (44.Nd1!?–/+) 44...b3–+ 45.Bb1 Bd5 46.Ke2 Be4 47.h3 (better is 47.Kd2–+) 47...Bg2 (better is 47...Ke7!?–+) 48.Nc1 b2 49.Nb3 Be4 (49...Bb6!?–/+) 50.Nd2= (50.Nd4?? Bb1 51.Nf3 Bd3 52.Kd3 b1Q 53.Ke2 Qh1–+) 50...Bb1 51.Nb1 Ke7 52.Kd3 Bf6 53.g4 g6 (53...Ke6 54.Nd2=) 54.Nd2 (54.gf5 gf5 55.Kc2 Kd6=) 54...Kd6 (54...g5 55.fg5 Bg5 56.Nb1+=) 55.Kc2= Kc5 (55...Ke6 56.Nf3=) 56.g5 Bd4?? (better is 56...Be7=) 57.Nb3+– Kd5 58.Nd4 Kd4 59.h4 Ke4 (59...Kd5+–) 60.h5 gh5 61.g6 h4 62.g7 h3 63.g8Q Kf4 64.Qg1 Kf3 65.Qh2 Kg4 66.Kb2 f4 67.Kc2 Kf3 68.Qh3 Kf2 69.Qh2 Ke3+– 70.Qg2 f3 71.Qf1 Kf4 72.Kd3 Kg3 73.Ke3 Kh2 74.Qf3 Kg1 75.Qd1 1–0. Petrochenko,Maria (1935) – Belenkaya,D (2255), ch–St Petersburg w, 2015.

12.d4 Qb6 13.Qc1 cd4 14.Nd4 Nf4 15.Bc4? (better 15.Bf3!? Nd3 16.Qc2–/+) 15…Bd3–+ (15...Bd3 16.Ra2 Rac8 (16...Bf1?! 17.Bf1 Rac8 18.Nf5–+) 17.Bd3 Nd3–+) 0–1. jlbaf – fluors, net–chess.com, 2017.

12.d4 Bb6 13.dc5= Bc5 14.Nc3 (14.Qb3 Na5 15.Qb5 Rc8=+) 14...Nf6 (14...Nc3 15.Bc3 Qd1 16.Bd1=+ (worse 16.Rad1 Ba3 17.Rd5 Be4–/+)) 15.Nb5 (15.Rc1=) 15...Bb6 (15...Qe7 16.Nbd4 Be4 17.Qa4=) 16.Nfd4 (16.Nd6 Bc2 17.Qc2 Qd6+–) 16...Bd7 (16...Nd4 17.Nd4 Be4 18.Rc1=) 17.a4 (17.Nd6 Nd4 18.Bd4 Ba4 19.Bf6 Bd1 20.Bd8 Be2 21.Bb6 Bf1 22.Ne8 Re8 23.Kf1 ab6+–) 17...a6 (17...Ne4!?=) 18.Nd6+– Rf8 19.Ba3 (19.Nb7 Qc7 20.Nc6 Bc6 21.Bf6 gf6 22.Rb1 Qb7 23.a5+=) 19...Ne7? (better 19...Nd4!? 20.ed4 Bc6+=) 20.Bf3 (20.Nb7 Qe8+–) 20...Rb8 (20...Bc6 21.Nb7 Bb7 22.Bb7+–) 21.Bb7 (21.Nb7 Qe8+–) 21...Nfd5 (21...a5!?+–) 22.Ba6+– Bc7 (22...Ra8 23.Bb7 Bd4 24.ed4 Ra4 25.Re1+–) 23.Ne4 (23.Nb7 Qe8+–) 23...Be5 24.Rb1 (24.Qh5 Bd4 25.ed4 Nb4+–) 24...Qa5 (24...Rb1!? 25.Qb1 Ba4+–) 25.Bb5 Bb5 26.Rb5 Qa8? (26...Rb5 27.Nb5 Ra8 28.Nc5+–) 27.Rb8 (27.Be7!? Ne7 28.Re5 Ng6 29.Nf6 gf6+–) 27...Qb8 (27...Rb8 28.Nf3 Bc7 29.Qc2+–) 28.Ng3 (28.Nc6! Nc6 29.Qd5 Rc8+–) 28...Bg3 29.hg3 (worse 29.fg3 Ne3 30.Qd3 N3d5+–) 29...Re8 (29...Qa7 30.Nb5 Qb7 31.Qf3+–) 30.Be7 (better 30.e4 Nb4 31.Qb1+–) 30...Re7?? (better 30...Ne7 31.Qh5 Qc7+–) 31.Nc6 Qc7 (31...Qe8 32.Qd5 Re3 33.Kh2+– (33.fe3?! Qe3 34.Rf2 Qc1 35.Kh2 Qh6 36.Kg1 Qc1 37.Kh2 Qh6 38.Kg1 Qc1=)) 32.Ne7 (better 32.Qd5 Re8+–) 32...Ne7 33.Qd4 h6 (33...Ng6 34.Rd1 Qc2 35.a5+–) 34.Rd1 Qb7 (34...Kh7 35.Qd3 Ng6 36.Qf5+–) 35.Qd8 (35.Qd7 Qd7 36.Rd7 Nc6+–) 35...Kh7 36.Rd7 Qb1 37.Rd1 (37.Kh2 Ng8 38.Rf7 Qe4+–) 37...Qb4?? (37...Qb7 38.Qe8 f6+–) 38.a5 Nc6 (38...Ng6 39.Ra1 Qb2 40.Qd1+–) 39.Qd3 g6 (39...Kh8 40.Qc2 f6 41.Rd5+–) 40.a6 (better 40.Qd5 Kg7 41.Qc6 Qa5+–) 40...Na7 (40...Qb6+–) 41.Qd7 Qb6 (41...Qb3 42.Rd5 Kg7 43.Qa7 Qd5 44.Qd4 Qd4 45.ed4 Kf8+–) 42.Qf7 Kh8 43.Qf8 Kh7 44.Rd7 1–0. mr5reasons1 (1790) – rarsdale, gameknot.com, 2019.

12.d4 Qc7 –/+.

12.Bc3 Bc3 13.dc3 Qd1 14.Rfd1= Rad8 15.Rd8 Rd8 16.Rd1 a6 17.Rd8 (17.Rd8 Nd8 18.Nd2=). retiarius (1650) - Haroldlee123 (1745), ChessWorld.net, 2016.

12.Bc3 Bc3 13.dc3 h6 14.Rc1 Qe7 15.Qb3 Rad8 16.Rfd1 Be6 17.Qa4 a6 18.h3 Qc7 19.Qc2 Bd5 20.Rd2 Ne5 21.Ne5 Qe5 (21...Re5? 22.Rcd1 Rd6 23.Qc1+–) 22.Rcd1 Be4 23.Qb3 Rd2 24.Rd2 b5 25.a4 Rb8 26.Rd1 Bc6 27.ab5 ab5 28.Qa3 Ra8 29.Qb3 Qg5 30.Bf1 Qg6 31.Qb2 Qf6 32.Qb1 Qc3 33.Bb5 Bb5 34.Qb5 Qc2 35.Qd7 c4 36.Rd2 Qb3 37.Qc6 Qb1 38.Kh2 Qb8 39.f4 Qc8 40.Qc8 Rc8 41.Kg3 f5 42.Kf3 Kf7 43.Ra2 Rc6 44.Rc2 Ke6 45.e4 fe4 46.Ke4 c3 47.Kd4 Kf5 48.Ke3 h5 49.g3 g6 50.Kf3 Ke6 51.Ke4 Rc7 52.Kd4 Kf5 53.Ke3 Rc8 54.Kd3?? h4–+ 55.gh4 Kf4 56.Ke2 Kg3 57.h5 gh5 0–1. Gierth,Karlheinz (2185) – Kopasov,Evgeny (2260), WC–2009–F–00003, 2009.

13.Qa4 Qc7 14.Rad1 Rad8 15.Rd8 Rd8 16.Rd1 Rd1 ½–½. Dopper,Johan C – Koetsier,David Alexander, corr NED–ch2, 1999.

13.Qb3 Qc7 14.Rad1 Rad8 15.Bc4 Be6 16.Rd8 Nd8 17.Rd1 Bc4 18.Qc4 Ne6 19.Qa4 Rd8 20.Rd8 Qd8 21.c4 Qd3 22.Qe8+/– Nf8 23.Qf7! Kf7 24.Ne5 Kg8 25.Nd3 Nd7 26.f4 Bc7 27.Kf2+– a6 28.a4 Bd6 29.a5 b6 30.Bc3 h5 31.e4+– Kf7 32.e5 Bc7 33.f5 Ke7 34.Kf3 Nf6?? 35.ab6 Ne4 36.Ke4 (36.Ke4 Bb6 37.Kd5+–) 1–0. Dopper,Johan – Kirkels,Weil, corr NED 1–426, 1990.

13.Qb3 Qe7 14.c4 Bc7 15.Rfd1 Be4 16.Nd2 Bf5 17.Nf3 Be4 ½–½. Taulien,Hans_Juergen (2225) – Farmer,Walter (2260), remoteschach.de, 2004.

13.Qb3 Qe7 14.Rad1 Rad8 15.Rd8 Rd8 16.Rd1 Rd1 17.Qd1 Bc7 18.a3 h6 19.c4 b6 20.h3 Kf8 21.Qd5 Be4 22.Qd1 Qe6 23.Nd2 Bf5 24.g4 Bg6 25.Nf1 Na5 (25...Kg8 26.Bf3=) 26.Bc3= Nb7 (worse is 26...Nc4 27.Bc4 Qc4 28.Be5+/–) 27.Qa4 Bb8 28.Bf3 Nd6 29.Nd2 f6 30.Bd5 Qe7 31.Qc6 Qc7 32.Qc7 Bc7 33.f4 Ke7 34.e4 Bf7 35.e5 Nb5 36.Bb2 Nd4 37.Bd4 cd4 38.Nf3 fe5 39.fe5 (39.Ne5? Bd5 40.cd5 Kd6–+) 39...Be8 40.Kf2 g5 (40...a6 41.e6+=) 41.Ke2 Bg6 42.Kd2 Bb1 ½–½. Morley,Paul (2200) – Lo Nigro,Filippo (2255), WS/M7 ICCF, 2007.

13.c4 Qb6 14.Qb3 Qb4 15.Nh4 Be4 16.Rfd1 Rad8 17.Bf3 Bf3 18.Nf3 Re4 19.Ba3 Qb3. Nokarookoff – JFRAY, ChessWorld.net, 2010.

12.Nd4 Bb1 13.Rb1+= (worse is 13.Qb1 Nc3 14.Bc3 Bc3 15.Nc6 bc6–/+) 13...Bc3 14.Bb5 (14.Bf3 Bd4 15.Bd4 Re7+=) 14...Qf6= 15.Qb3 Bb2 (worse is 15...Nd4 16.ed4 (worse is 16.Qd5 Red8 17.Qb7 Rab8 18.Qb8 Nf3 19.gf3 Rb8 20.Bc3 Qc3=; 16.Bc3? Nc3 17.ed4 Nb1 18.Qb1 Re7–+) 16...Bb2 17.Be8 (17.Rb2?! Red8=; 17.Qb2?! Red8=; 17.Qd5?! Red8 18.Qb7 Bd4+=) 17...Bd4 18.Qb7 Re8 19.Qd5+/–) 16.Rb2 (worse is 16.Qd5 A) worse is 16...Bd4 A1) worse is 17.ed4 Red8 18.Bc6 Rd5 (18...Qc6?! 19.Qc6 bc6 20.Rfd1=) 19.Bd5 Qd4–/+; A2) 17.Bc6 Rad8 18.Bd7=; B) 16...Rad8 17.Qh5 Bd4 18.ed4 Rd4–/+) 16...Nd4 17.ed4 (worse is 17.Qd5 Red8 (17...Nb5?! 18.Qb5 b6 19.Rc2=) 18.Qe4 Nf3 19.Qf3 Qb2–+) ½–½. Grodecki,Justina (1725) – Bluebaum,Bettina (1805), OWL–ch (Women), 2006.

12.Nd4 Nd4 13.Qd4+= Qf6 14.Bf3 Qd4 15.Bd4 Be4 16.Be4 Re4 17.Rd1 b6 18.Nd2 Re6 19.Rac1 Ba3 20.Rc2 b5 21.Nb3 b4 22.Ba7 Nc3 23.Rd7 Rc6 24.g4 h6 25.Bd4 Rac8 26.Na5 R6c7 27.Rc7 Rc7 28.Nb3 f5? 29.Kf1?? Kf7?? 30.Bc3?? bc3? 31.Nd4+– Rc5 32.Ke2 Kf6? 33.Kd3 Bb2? 34.Ne2 Rc8? 35.Nc3 Rd8 36.Ke2 Ba3? 37.Nb5 Bf8 38.Nd4 g5?? 39.Rc6 Ke5 40.Ra6 Rc8 41.Ra5 Ke4 42.f3 1–0. Schoenwaelder,Bernd (2000) – Kaschuba,Juergen (1750), Nettetal Chessgate op, 2004.

12.Nd4 Nd4 13.Qd4 Bf8 14.Rd1 Be6 (14...Nb4 15.Qf4 Qc8 16.Nc3+=) 15.Bf3 (15.Bb5!?+/-) 15...Nb4+= 16.Qd8 (16.Bb7 Nc2 17.Qd2 Qd2 18.Nd2 Rab8=+) 16...Rad8= 17.Nc3 Rd1 (17...Nd3 18.Rab1=+) 18.Rd1+= Na2 19.Na2 (19.Bb7? Rb8-+) 19...Ba2 20.Ra1 Bc4 21.Bb7 Bc5 (21...Re7!? 22.Bf3 Rd7=) 22.Rc1+/- Rd8? (better 22...Re3 23.fe3 Be3 24.Kh1 Bc1 25.Bc1 a5+/-) 23.h3 1-0. opperwezen (2750) - Licht3 (2445), lichess.org, 2017.

12.Nd4 Nd4 13.Qd4 Bf8 14.Bf3 Nb4 15.Na3 (15.Qf4 Bd3 16.Rd1 Nc2+=) 15...Qd4 16.Bd4 (16.ed4 Rac8 17.Bc1 Nd3–+) 16...Nd3 (16...Re7!?=) 17.Nb5+= Rac8 (better is 17...Red8!?+=) 18.Bb7+– Rc2 19.Na7 Rb8 20.Bf3 h6 (20...Ba3+–) 21.a4 Bc5 (21...Nc5 22.Nc6 Rc8 23.Bc5 Rc5 24.Nd4+–) 22.Nb5 (22.Nc6 Re8+–) 22...Bg6 23.Bc5 Rc5 24.Nd4 Rb2 (24...Ne5 25.Be2+–) 25.a5 Ne5 26.a6 Bd3 (26...Nf3 27.Nf3 Rc8+–) 27.a7 (27.a7 Rc8 28.Rfd1+–) 1–0. marvis (1705) – nabrani (1710), playok.com, 2012.

13.Nc6 bc6 14.Bf3 Bf3 15.Qf3 Bd6 16.Qe2 Rb8 17.Na3 Re4 18.Qc2 Reb4 19.Bc3 Rg4 20.Nb1 Qg5 21.g3 Ne3 22.fe3 Bg3 23.Kh1 Bh2 24.Nd2 Bd6 25.Nf3 Qh6 26.Nh2 Bh2 27.Qh2 Rh4 28.Rf2 Rh2 29.Rh2 Qe3 30.Bd2 Qe4 31.Rg2 f6 32.Bc3 Qd3 33.Bb2 Qh3 34.Kg1 Qe3 35.Kh1 Kf7 36.Rf1 Rb4 37.Be5 0–1. COMP – COMP, 15 minutes, 2002.

13.Bd3 Bd3 14.Qd3 Nf4 15.Qc4 Nd4 16.Qb4? a5–+ 17.Qb7? Rb8 18.Qa6 Rb6 19.Qc4 Qg5 20.ef4 Nf3 21.Kh1 Rh6 22.h3 Qg4 23.Qc8 Rc8 24.Rc1 Rh3! 25.gh3 Qh3# 0–1. Pierred (2265) – Larry millington, Rated game, 1m + 3s, 2005.

13.Bf3 Nf6 14.Nc6= Qd1 15.Rd1 bc6 16.Nd2 Bf3= 17.Nf3 Ne4 18.Rac1 c5 19.Rd7 Red8 20.Rcd1 Ba5 21.Rd8 Rd8 22.Rd8 Bd8 23.Ne5 f6 24.Nc4 Bc7=+ 25.f3 Nd6 26.Nd6 Bd6 27.g3 Kf7 28.Kf2 Ke6 29.e4 g5 30.Ke3 Be5 31.Be5 fe5 32.Kd3 Kd6 33.Kc4 h5 34.a4 (34.Kd3 h4=+) ½–½. Ziehten – Krockert,Eberhard, corr DDR–ch, 1985.

12.a3 Ba5 13.Qb3 Rad8 14.Bb5 A) 14...a6 15.Bc4 Be4 16.dc5 Qc5 17.Nbd2 Bd2 18.Nd2 Na5 19.Qa4; B) 14...Nf6 15.Rc1 Bb6 16.Nbd2 Be6 17.Qa4 Bd5 18.dc5 Bc5 19.Qh4; C) 14...g6 15.h3 (15.dc5 Be6 16.Qa4 Bc7 17.Bc6 bc6 18.Bd4 Bf5 19.Rd1; 15.Nc3 Bc3 16.Bc3 Be4 17.Bc6 bc6 18.dc5 Bf3 19.gf3; 15.Rd1 Be6 16.Qc2 cd4 17.Bc6 bc6 18.Nd4 Bg4 19.Nc6; 15.Rc1 a6 16.Bc4 Be4 17.dc5 Bf3 18.gf3 Rd7 19.f4) 15...cd4 16.Nd4 Nd4 17.Bd4 Rf8 18.Bc4 Nb6 19.Bd3; D) 14...Qd6 15.dc5 (15.Nc3 Bc3 16.Bc3 Nc3 17.Qc3 cd4 18.ed4 Qd5 19.Bc6) 15...Qc5 16.Rc1 Qb6 17.Nd4 Bd7 18.a4 Nd4 19.Bd4; E) 14...h5 15.Nc3 (15.dc5 a6 16.Ba4 Nf6 17.Nd4 Bd7 18.Nc6 bc6 19.Bd4) 15...Nc3 16.Bc3 Bc3 17.Qc3 cd4 18.Nd4 Nd4 19.ed4; F) 14...Rd7 15.Rc1 (15.Ne5 cd4 16.Nd7 Qd7 17.Bd4 a6 18.Bc6 Qc6 19.Ra2) 15...a6 16.Rc5 ab5 17.Rd5 Qe6 18.Rb5 Qb3 19.Rb3; G) 14...Nc7 15.Rc1 (15.Bc6 bc6 16.Bc3 Bb6 17.Nbd2 Nb5 18.dc5 Rd3 19.cb6) 15...Bb6 16.Bc6 bc6 17.Nbd2 cd4 18.Nd4 Bd4 19.Bd4; H) 14...Qe6 15.dc5 (15.Nbd2 Bd2 16.Nd2 cd4 17.Bd4 Nd4 18.ed4 Re7 19.Bc4; 15.Bc4 Bc7 16.Bd5 Qd5 17.Qd5 Rd5 18.Nc3 Rd7 19.dc5; 15.Rc1 a6 16.Bc6 bc6 17.Qa4 Bb6 18.Nbd2 Bd3 19.Qb3) 15...Qg6 16.g3 h6 17.Rc1 Qh5 18.Nh4 Be4 19.Qa4; I) 14...Nb6 15.Rc1 Be6 16.Qc2 c4 17.Nbd2 Rc8 18.Bc3 Bc3 19.Qc3; J) 14...Bb6 15.dc5 (15.Nc3 Be6 16.Qa4 cd4 17.Nd4 Bd4 18.Nd5 Bd5 19.Bd4) 15...Bc5 16.Nc3 Nf6 17.Rac1 a6 18.Bc6 bc6 19.Na4; K) 14...Bg4 15.Ne5 (15.Bc6 bc6 16.Ne5 Qg5 17.Ng4 Qg4 18.dc5 Qe4 19.Ra2) 15...Ne5 16.de5 Bd7 17.Bd3 Bc6 18.Qc2 Bc7 19.Nd2.

12.a3 Ba5 13.Qb3 Rad8 14.Bc4 Be4 15.Nbd2 Bd2 16.Nd2 Na5 17.Qa4 Nc4 18.Nc4 Qg5 19.g3.

12.a3 Ba5 13.Qb3 Rad8 14.dc5 Qc5 15.Nd4 (15.Rc1 Qe7 16.Bc4 Nb6 17.Be2 Qe6 18.Qe6 Be6 19.Nd4; 15.Nbd2 Bd2 16.Nd2 Ne3 17.Rac1 Bc2 18.Ne4 Bb3 19.Nc5; 15.Bc4 Bc7 16.Nbd2 Na5 17.Qb5 Qb6 18.Qb6 Bb6 19.Bb5) 15...Bc8= (15...Be4 16.Nc6 Qc6 17.Rc1 Qg6 18.g3 Bb6 19.Bb5) 16.Nc6 bc6 17.Rc1 Qe7 18.Bf3 Bf5 19.Nc3.

12.a3 Ba5 13.Qb3 Rad8 14.dc5 Nf4 15.Bc4 Ng2?? (15...Ne6 16.Be6 Be6 17.Qc2=) 16.Nc3?? (16.Kg2 Be4 17.Rg1+/–) 16...Nh4 17.Nh4 Qg5?? (17...Qh4 18.Bf7 Kh8 19.Ne2= (19.Qb7?? Qg4 20.Kh1 Qf3 21.Kg1 Bh3 22.Qc6 Qc6–+; 19.Be8 Qg4 20.Kh1 Qf3 21.Kg1 Bh3 22.Bc6 bc6 23.Qd5 cd5 24.Nd5 Qg2)) 18.Ng2?? (better is 18.Kh1 Qh4 19.Bf7 Kh8 20.Be8+=) 18...Bh3= 19.Bf7 Kh8 20.Bd5 Bc3 21.f4 Qd5 22.Qd5 Rd5 23.Bc3 Rc5 24.Rac1 Kg8 25.Rf3 Bf5 26.Nh4 Be4 27.Rg3 g6 28.Nf3 Ne7 29.Ng5 Nf5 30.Rh3 h5 31.Ne4 Re4 32.Bd2 Rd5 33.Rc8 Kf7 34.Bc1 b6 35.Kf1 Rc5 36.Rc5 bc5 37.Ke2 Ke6 38.Kd3 Kd5 39.Rf3 c4 40.Kc3 Re6 41.Rf1 Ne3 42.Re1 Ng4 43.Rd1 Ke4 44.h4 Kf3 45.Kc4 Kg3 46.Kd5 Re8 47.Rd3 Kh4 48.Rc3 Nf6 49.Kd4 Kg4 50.Rc2 h4 51.Rg2 Kf3 52.Rg6 Ng4 53.Rg7 h3 54.Rh7 h2 55.Rh3 Kg2 56.Rh7 h1Q 57.Rh1 Kh1 58.Bb2 Kg2 59.f5 Kf3 60.Kc5 Rf8 61.f6 Nf6 62.Bd4 Ke4 63.Bb2 Rc8 64.Kd6 Nd5 65.Bg7 Rc2 66.Bh6 Rc3 67.a4 Ra3 0–1. Wantoch_Rekowski,Jacek (1860) – Podgorodetskij (2185), RA–2010-0-00110, 2010.

12.a3 Ba5 13.Qb3 Rad8 14.Rd1 Bg4 (14...cd4 15.Nd4 Be4 (15...Nf4 16.Bc4 Nd4 17.Rd4 Rd4 18.Bd4 Ne6 19.Bc3) 16.Nd2=+ Nf4 17.ef4 Nd4 18.Bd4 Rd4 19.Ne4; 14...Qe6 15.Bd3 (15.Nbd2 cd4 16.Nd4 Nd4 17.Bd4 Bb6 18.Bb6 Qb6 19.Qb6; 15.Bf1 cd4 16.Nd4 Nd4 17.Bd4 Bg4 18.Rc1 Bb6 19.Bb6; 15.Qc4 cd4 16.Nd4 Nd4 17.Rd4 Bb6 18.Rd1 Rd6 19.Nc3) 15...Bd3 16.Qd3 h6 17.Nc3 c4 18.Qc2 Bc3 19.Bc3; 14...Bb6 15.dc5 Qc5 16.Rc1 Qe7 17.Nc3 Nc3 18.Qc3 Nd4 19.Nd4; 14...h5 15.dc5 (15.Bc4 Nb6 16.Be2 a6 17.d5 c4 18.Bc4 Qc5 19.Nbd2; 15.Ne5 Qc7 16.Nc6 bc6 17.Nc3 Rb8 18.Nd5 cd5 19.Qd5) 15...Nf4 16.Bc4 Rd1 17.Qd1 Rd8 18.Nbd2 Nd3 19.Qc2; 14...h6 15.Bc4 (15.Nbd2 cd4 16.Nd4 Ne3 17.fe3 Nd4 18.Bd4 Rd4 19.ed4) 15...Nb6 16.Be2 a6 17.d5 c4 18.Bc4 Qc5 19.Nbd2; 14...Nd4 15.Nd4 (15.Bd4 cd4 16.Nd4 Bg6 17.Bf3 Qe5 18.Nd2 Ne3 19.fe3) 15...cd4 16.Rd4 Be6 17.Bc4 Nf6 18.Rd8 Rd8 19.Nc3; 14...Rd7 15.Ne5 (15.Bc4 Red8 16.Bd5 Rd5 17.Nc3 Bc3 18.Bc3 Be4 19.dc5; 15.Bb5 Bg4 16.Nbd2 cd4 17.ed4 a6 18.Re1 Be6 19.Bc6) 15...Ne5 16.de5 Nb6 17.Rd6 a6 18.Rb6 c4 19.Bc4) 15.h3= Bh5 16.dc5 Qc5 17.Rc1 (17.Kh1 Rd7=+ (17...Bg6 18.Rc1 Qb6 19.Qb6) 18.Rc1 Qb6 19.Qb6) 17...Qe7=+ (17...Qb6 18.Qb6 Nb6 19.Nc3) 18.Bd1 (18.Ra2 Nf4 19.ef4) 18...Bc7 (18...h6 19.Nc3) 19.Nbd2 Bb8 (19...a6 20.Be2=) 20.Nf1 (20.Bc2 Rd6=) 20...Bg6 (20...Rd7 21.Nd4 Bd1 22.Rd1 Nd4 23.Bd4=) 21.Bc2= a6 (21...Bc7 22.Bg6 fg6 23.e4 Qe4 24.Qb7+–) 22.Bg6 hg6 23.Rab1 (23.Rd1 Na5 24.Qa4 Bc7=) 23...Na5 24.Qa4 Bc7 25.N1d2 b5 26.Qg4 (26.Qd4 f5 27.Qd3 Nf4=) 26...Bb8 (26...Bb6 27.Rd1=) 27.Bd4 (27.Rc2 Nb6+=) 27...Ba7 (27...Bd6 28.a4 ba4 29.Ng5+=) 28.Ba7+= Qa7 29.Nd4 Qe7 (29...Re3 30.fe3 Ne3 31.Qh4 Qd4 32.Qd4 Rd4 33.Rc8 Kh7 34.Nf3+=) 30.N2f3 (30.N2b3 Nb3 31.Rb3 Rd6+=) 30...Qd6 (30...Qa3 31.Ra1 Qb4 32.Rcb1=) 31.Ra1 Nf6 32.Qg5 (32.Qh4 Re4 33.g4 Re7=) 32...Ne4 (32...Rc8 33.Rc8 Rc8 34.Qe5 Qe5 35.Ne5=) 33.Qh4+= Nf6 (33...Qe7 34.Qg4=) 34.Qg5 (34.a4 ba4 35.Rc3 Re4+=) 34...Rc8= 35.Rc8 Rc8 36.a4 (36.Qe5 Qe5 37.Ne5 Rc3=) 36...Rc5 37.Qh4 ba4 38.g3 (38.Ng5!? Qe5 39.Rb1=) 38...a3=+ 39.Kg2 (39.Ra3 Rc1 Decoy) 39...Nc4 (39...Rh5 40.Qf4 Qe7 41.Nc2=) 40.Qf4 (40.Nb3 g5 41.Qd4 Qd4 42.ed4 Rb5–/+) 40...Qf4–/+ 41.gf4 Ne4 42.Ne5 Ne5 (42...Ned6 43.Kf3–/+) 43.fe5=+ Ra5 (43...Re5 44.Ra3 Rg5 45.Kf1=+) 44.f3 (44.e6 fe6 45.Ne6 a2=+) 44...Nc3 45.Kf2 (45.h4 a2 46.f4 Ra4–/+) 45...a2 (worse 45...Re5 46.Ra3 Nd5 47.f4=+) 46.f4 Ra3 (46...g5 47.Kf3–/+) 47.Ke1 Ne4 (47...g5 48.fg5 Ne4 49.Kf1–/+) 48.Nc2 (better 48.Ke2!?–/+) 48...Rb3–+ 49.Ke2 a5 50.Kf3 Nc3 0–1. Teichmann,Erik (2320) – Gupta,Abhijeet (2445), 8th Dubai Open, Dubai UAE, 2006.

12.a3= Ba5 13.dc5 Rad8 14.Qb3 Qc5 15.Nd4 Ne3 16.fe3 Nd4 17.ed4+/– Rd4 18.Qb5 Rd5 19.Qc5 Rc5 20.Bf3 Rc2=+ 21.Bd4 Bd3 22.Rd1 Be2 23.Be2 Ree2 24.Kh1 Rg2 25.Be5 f6 26.Bg3 b5–+ 27.a4 b4 28.Rd5 Bb6 29.Rd1 Bc5 30.a5 a6 31.Bf4 Rgf2 32.Bd2 f5 33.Ra4 Rb2 34.Rc1 h6 (34...h6 35.Ra1 Bd6–+ (35...Rbd2 36.Nd2 Bd4 37.Rc8 Kf7 38.Rd1+/–); 34...Rfd2 35.Nd2 Rd2 36.Rc5+–; < 34...Rbd2 35.Nd2 Be7 36.Nb3+/–) 0–1. Teichmann,Erik – Gluzman,Michael, AUS Masters Melbourne, 2002.

12.Qb3 Red8 (12...Be6 13.a3 Nf4 14.Qd1 Ne2 15.Qe2+=) 13.a3= Ba5 14.dc5 Qc5 15.Nd4 (15.Rc1 Qb6 16.Qb6 Bb6=) 15...Nd4 16.Bd4 Qe7 (16...Qc6 17.Bf3 Rac8 18.a4+=) 17.Qb2 (17.Bf3 Be6+=) 17...f6 (17...Rac8!? 18.Bf3 Bd3+=) 18.Nd2= Bb6 19.Nb3 Rac8 (19...Bc7 20.Bf3=) 20.Rac1 Kh8 (20...Qd6 21.Bf3=) 21.Bc4 (21.Rfd1 Rc1 22.Rc1 Bd4 23.Nd4 Be4+=) 21...Bd4 (21...Rc4 22.Rc4 Bd3 23.Rfc1 Bc4 24.Rc4=) 22.Nd4 Ne3 23.Qe2 (better is 23.Rce1 Be4 24.Bd3=) 23...Rd4–/+ (23...Rc4? 24.Rc4 Bd3 25.Qd3 Nc4 26.Qc4 Qa3 27.Ne6+–) 24.fe3?? (better is 24.Qe3 Re4 25.Qf3–/+) 24...Bg4–+ 25.Qa2 Qe3 26.Kh1 Rd2 (26...Qg5!? 27.Rce1 Bd7 28.Be2–+) 27.Qb1 (27.Qb3 Qe4 28.Qg3 h6–+ (28...Rc4?? 29.Qb8 Bc8 30.Qc8 Rc8 31.Rc8 Rd8 32.Rd8 Qe8 33.Re8)) 27...b6 (27...Bh3 28.Rg1 (28.gh3 Qh3 29.Be2 Rc1 30.Rc1 Re2 31.Rc8 Qc8 32.Qf1 Rb2 33.h3 Qc2 34.Qf2 Qf2 35.a4 Qg2) 28...Bg2 29.Rg2 Rg2 30.Kg2–+) 28.Rce1 (28.Bd5 Rc1 (28...Rd5?! 29.Rc8 Bc8 30.Re1+=) 29.Qc1 Qd4–+) 28...Qa3 29.Qb5 (29.Re4 Bh5–+) 29...Qf8 (29...Bd7 30.Qh5–+) 30.Be6 (30.Qa6 Qc5–+) 30...Be6 31.Re6 Rcd8 (31...Qf7 32.Re3–+) 32.Qb3 (32.Rfe1 h6 33.Qf1 R2d7–+) 32...R2d6 (32...Qc5 33.Rfe1 h6 34.Qf3–+) 33.Re3 Re8 34.Ref3 (34.Ree1 Rdd8–+) 34...Qe7 35.Qc3 (35.h3 Rd2–+) 35...h6 (35...a5 36.h3–+) 36.Rc1 (36.Kg1 a5–+) 36...Qe5 (36...a5 37.h3–+) 37.Qc4 (37.Qe5 Re5 38.Kg1–+) 37...Rc6 (better is 37...Rd2–+) 38.Qc6+– Qe1 (38...b5 39.Qd7 a6 40.Qa7+–) 39.Rf1 Qe7 (39...Qe2 40.Qc3 Qg4 41.h3+–) 40.h3 1–0. Karathanasi,Eirhnh – Stratigi,Evangelia, Greek G20, 2017.

12.Bb5 Rad8 13.Nbd2 (13.Qc1 cd4 14.Nd4 Nd4 15.Bd4 Rf8=) 13...Nc3 14.Bc3 Bc3 15.Rc1 cd4 (15...Bd2 16.Bc6 bc6 17.Qd2–/+) 16.ed4+= Bd4 17.Bc6 (17.Re1 Qd7 18.Re8 Qe8–/+) 17...bc6–/+ 18.Rc6 Bb6 (18...Qd7 19.Rc4 Bb6 20.Re1–/+) 19.Qc1 (19.Re1 Qd7 20.Re8 Qe8+=) 19...Qe2 (19...Qd7 20.Rc3–/+) 20.h3 (20.Rc4 Bd3 21.Rc6 Bg6–/+) 20...h6 (20...Rd5 21.Qb2–+) 21.Kh2 (better is 21.Rc4!?–/+) 21...Bf2–+ 22.Rc3 (22.Kh1 Bg3 23.Ng1 Qd2 24.Rf5 Re1–+) 22...Be3 23.Re1?? (23.Rd1–+) 23...Bf4 (23...Bd2?! 24.Re2 Re2 25.Qf1 Bf4 26.Kg1 Ra2 27.g4–+; 23...Rd2?! 24.Re2 Re2 25.Qa3–/+) 24.Kh1 Qf2 (better is 24...Qe1! 25.Qe1 Re1 26.Ne1 Bd2–+) 25.Re8 Re8 26.Qd1?? (26.Qf1 Re2 27.Qf2 Rf2 28.Rc5–+) 26...Re2 27.Qg1 Bd2 (27...Bd2 28.Qf2 Rf2 29.Nd2 Rd2–+; worse is 27...Rd2 28.Nd2 Qd2 29.Rc4–+) 0–1. Mortola,Alberto – Lezzerini,Marco, 7th Arco Christmas Open, 2016.

12.Bc4 Rad8=+ 13.a3 Ba5 14.Qb3 Be4 15.Nbd2 (15.dc5 Bf3 16.gf3 Qc5+=) 15...Bd2=+ 16.Nd2 Na5 17.Qb5 Nc4 18.Qc4 b5 19.Qc5 Qc5 20.dc5 Ne3 21.fe3 (21.Ne4 Nf1 22.Nd6 Re2 23.Bg7 Kg7 24.Kf1 Rc2=+) 21...Rd2=+ Do you see the mate threat? 22.Rf2 Red8 23.Bd4 Rf2 ½–½. Adam,Stefan – Heynisch,Manfred, corr DDR, 1988.

12.dc5? Ne3!–+ (12...Qc5?! 13.Nd4 Nd4 14.Bd4=) 13.fe3 Qe3 14.Kh1 Qe2 15.Qc1 Rad8 16.Nc3 Qe3 17.Nd1 (17.Na4 Rd5–+) 17...Qc1 18.Rc1 (18.Bc1?? Bd3 19.Rg1 Be2–+) 18...Rd5 19.a3 Bc5 20.Nf2 Bb6 21.Rfe1 Rdd8 22.Kg1 h6 23.h3 Bf2 (23...Bd3!? 24.Rcd1 Bc4 25.Rd8 Rd8 26.g4–+) 24.Kf2 Be4 25.Rcd1 Bf3 26.Re8 Re8 27.Kf3 Rd8 28.Rd8 Nd8 29.Ke4 f6 30.Kd5 Kf7 31.Kd6 Ne6 32.Bc1 g5 33.g3 a5 34.a4 Nd4 35.Bd2 Nb3 36.Be3 f5 37.Kc7? (better is 37.Kd5!? Na1 38.Bb6–/+) 37...Ke6–+ 38.Kb7 Kd5 39.Kb6 Kc4 (39...Ke4 40.Bf2–+) 40.h4 gh4 41.gh4 h5 42.Bf2 (42.Bg5 Kb4–+) 42...Kb4 43.Be1 (43.Kc6 Ka4 44.Bg3 Nd4 45.Kc5 Ne2–+) 43...Ka4 44.Kc6 Nd4 45.Kd5 Nf3 46.Bg3 (46.Bc3 Nh4 47.Ke5 Kb5–+) 46...Kb3 47.Ke6 Nd4 (47...a4 48.Bd6 Nh4 49.Kf6–+) 48.Ke5 (48.Kd5 Nb5 49.Bf2–+) 48...Ne2 49.Bf2 Kc4 50.Bb6 a4 51.Kf5 a3 52.Bd8 a2 53.Bf6 Nc3 54.Kg5 (54.Kg6 a1Q 55.Kh5 Qa8–+) 54...a1Q (better is 54...Ne4 55.Kf5 Nf6 56.Kf6 a1Q 57.Kg6–+) 55.Kh5 Qg1 (55...Qd1!? 56.Kg6–+) 56.Kh6 Ne4 57.h5 (57.Bg5 Qb6 58.Kh7 Qe6–+) 57...Qg8 (57...Qb6 58.Kg7 Qf6 59.Kg8 Ng5 60.h6 Qf7 61.Kh8 Qh7) 58.Bg7 Ng3 (58...Qe6 59.Bf6 Qf6 60.Kh7 Ng5 61.Kg8 Qf7 62.Kh8 Qh7) 59.Kg6 (59.Kg5 Qg7 60.Kf4 Nh5 61.Kf5 Qf6 62.Kg4 Qg6 63.Kf3 Qg3 64.Ke2 Nf4 65.Kd2 Qf2 66.Kc1 Kc3 67.Kd1 Qd2) 59...Nh5! (59...Nh5 60.Kf5 Qg7 61.Ke6 Qg6 62.Ke7 Nf4 63.Kd7 Qf7 64.Kd6 Nd5 65.Ke5 Qf6 66.Ke4 Qf4) 0–1. Franco Rincon,David (1695) – Osorio Ramos,Francisco (1760), Cto Absoluto de Madrid, 2015.

12.Ne5 Ne5–/+ 13.de5 Red8 14.Qb3 Rac8 15.Na3 (15.a3 Ba5+=) 15...Nb6 16.Nc4 Be6 17.Rfd1 Rd1 18.Rd1 Rd8 19.Rc1 (19.Rd8 Qd8 20.a3–+) 19...Rd2! 20.Bf1 (20.Nd2 Bb3 Pinning (20...Bb3 Deflection)) 20...Qh4 (20...Nc4 21.Bc4 Bc4 22.Qc4 Rb2 23.Rd1–+) 21.g3 Qh5 22.Bc3 Bc3 (22...Bc4 23.Bc4 Bc3 24.Qc3 Nc4 25.Qc4–/+) 23.Qc3+= Ra2 24.Nb6 (24.Qd3 Nd7 25.Qe4 b5–+) 24...ab6 (24...Qf5 25.f4 ab6 26.Rd1+=) 25.Bc4 (25.Ra1 Ra1 26.Qa1 h6+=) 25...Qf3 (25...Bc4 26.Qc4 Rd2 27.Qa4+=) 26.Ba2+= Bh3 27.Bd5 Qd5 28.f3 Qf3 29.Qd2 h6 30.Qd8 Kh7 31.Qd3 Bf5 32.Rf1 Bd3 33.Rf3 Kg6 34.Kf2 b5 35.Ke1 c4 36.Kd2 b4 37.Rf4 b5 38.Rd4 b3 39.Rd6 Kf5 40.e6 fe6 41.Rb6 Ke4 42.Kc3 Ke3 43.Re6 Kf3 44.Rb6 Kg2 45.h4 h5 46.Rb5 g6 47.Rd5 Kg3 48.Rd4 Kf3 49.Rd8 Kg3 50.Rd4 Kh3 51.Rf4 Be2 52.Rf6 Kh4 53.Rg6 Kh3 54.Rg8 h4 55.Rg7 Kh2 56.Rg8 h3 57.Rg7 Kh1 58.Rg8 h2 59.Rg6 Bf3 60.Kc4 b2 61.Rb6 Be2 62.Kc3 Kg1 (62...Kg1 63.Rb2 h1Q 64.Re2 Qf3 65.Kd2 Kf1–+) 0–1. Teichmann,E (2325) – Lane,G (2380), Sydney Int Open, 2010.

11.0-0 a6 12.d3 Bg6 13.Qb3 Re8 14.Rc1 Qd6 15.d4 cd4=+ 16.Nd4 Nd4 17.Bd4 Rac8 18.Nc3 Nc3 19.Bc3 Bc7 20.g3 Be4 21.Bg4 Rcd8 22.Bg7 Qg6 23.Rc7+/– Qg7 24.Rd1 Rd1 25.Qd1 Qe5 26.Rd7 Bc6 27.Rd4 Re7 28.Bf3 Qc7 29.Bc6 Qc6 30.Rd6 Qe4 31.Rd8 Re8 32.Rd4 Qc6 33.Rd7 b5 34.Ra7 Re6 35.Qd8 Kg7 36.Qd7 (36.Qd7 Qd7 37.Rd7+/–) 1–0. Bendig,Frank – Engel, corr, 1988.

11.0-0 a6 12.d4 cd4 13.Nd4 Be4 14.Nb3 Qg5 15.Bf3 Bf3 16.Qf3 Bc7 17.N1d2 Qh6 18.g3 Rfd8 19.Rfd1 Ne5 20.Be5 Be5=+ 21.Rac1 Nc3 22.Re1 Qb6 23.Nc4 Qb3–/+ 24.Ne5 f6 25.e4 Rac8 26.Ng4 Qa3 27.Rc2 b5 28.e5 fe5 29.Ne5 Qb3 30.Rec1 b4 ½–½. Tidemalm,Gustav – Hoegborg,Per Goesta, corr SSKK Sweden, 1984.

11.0-0 a6 12.d4 cd4 13.Nd4 Nde7 14.Nf5+= Nf5 15.Nc3 Qd1 16.Rfd1 Rad8 17.Kf1 b5 18.Rac1 Rd1 19.Rd1 Rd8 20.Rd8 Bd8 21.Nd5 Nfe7 22.Ne7 Be7= 23.Ke1 f6 24.Kd2 Kf7 25.Bf3 Ne5 26.Bd5 ½–½. Kuhlmann,Antonius Egidius J – Lay,David, corr, 1981.

11.0-0 Qb6 12.Qc1 Rad8 13.Rd1 Rfe8 14.d4 cd4 15.Nd4 Nf4 16.Bc4 Bg4 17.Rf1 Nd4 18.Bd4 Qc6 19.f3 Be6 20.ef4 Bc4 21.Nd2 Bf1 22.Qc6 bc6 23.Nb3 Bb5 24.Ba7 0–1. Fritz 6 – Doctor 3.0, 2002.

11.0-0 Bc7 12.d3 b6?? (12...Qd6 13.Qc2=) 13.Nbd2?? (13.e4 Bg6 14.ed5 Qd5+-) 13...Qd6?? (13...Re8 14.Rc1=) 14.Re1?? (better 14.e4+-) 14...Bg4 15.g3 (15.Ne4 Qd7=) 15...Nf6 (15...Rad8 16.d4=+) 16.Nh4 (16.Rc1=) 16...Be6 (16...Be2!? 17.Qe2 Rad8=+) 17.Bf6+= gf6 18.Bf3 Rad8 19.Ne4 (19.Be4 Ne7 20.Nc4 Qd7+=) 19...Qd3? (better 19...Qe7=) 20.Nf6+- Kg7 21.Ng4?? (better 21.Qd3 Rd3 22.Nh7+-) 21...Qd1-/+ 22.Rad1 (22.Red1 Na5 23.h3 h5-/+) 22...Ne7 (22...Na5 23.e4-/+) 23.h3 (23.e4 b5-/+) 23...Ng6 (23...c4 24.Ng2-/+) 24.Ng2 h5 25.Nh2 h4 (25...Bh3 26.Bh5 b5 27.Bg6 Kg6 28.e4-/+) 26.Nh4 (26.gh4 Ne5=+) 26...Nh4-/+ 27.gh4 Bh3 (27...Bd6 28.h5-/+) 28.Bg2 (28.Kh1 Rd1 29.Rd1 Rh8-/+) 28...Bg2 (28...Be6 29.f4=+) 29.Kg2=+ Kh7 (better 29...b5=+) 30.Kf1?? (better 30.Nf3=) 30...Bh2-+ 31.Rd8 (31.Ke2 Be5-+) 31...Rd8 32.Kg2 Be5 33.f4 (33.Rc1 Rd5-+) 33...Bf6 34.Kf3 Kg6 (34...Rd3 35.a4-+) 35.Rg1 (35.Kg4-+) 35...Kh7 (35...Kh5 36.a4-+) 36.h5?? (36.Re1 Rd3 37.a4-+) 36...Rd5 (36...Kh6 37.e4-+) 37.Rh1 c4 38.Ke4 (38.a4 Bb2 39.e4 Ra5-+) 38...Rc5 39.a4 c3 (39...Kh6 40.Rh2-+) 40.Rc1 (40.Kd3 Rd5 41.Kc4 Rd2-+) 40...a6 41.Kd3 b5 (41...Rh5 42.e4 Rh3 43.Kc2 Rh2 44.Kb3 Rb2 45.Kc4-+) 42.e4 (42.ab5 ab5 (worse 42...Rb5 43.e4-+) 43.e4 Rh5-+) 42...b4 43.e5 Bg7 (43...Bh4 44.Kc2-+) 44.Kd4 (44.Kc2 Rd5 45.Kb3 Rd4-+) 44...Rc8 45.f5 (45.Kd3 Bh6 46.Kc2 Bf4-+) 45...Rd8 (45...c2 46.f6 b3 47.fg7-+) 46.Ke4 (46.Kc4 Be5 47.Kb4 Kh6-+) 46...Rd2 (46...Bh6 47.Rc2 Bd2 48.e6-+) 47.f6 Bh6 48.Kf3 Rd3 49.Ke2 Bc1 (49...Re3 50.Kd1 b3-+) 50.h6 (50.Kd3 Bf4 51.e6 fe6 52.Kc2-+) 50...Rd2 51.Kf3 b3 52.e6 (52.Ke4 b2 53.e6 b1Q 54.Kf4 Rh2 55.Ke5 Qd3 56.e7 Re2) 52...b2 53.e7 (53.Kg3 b1Q 54.ef7 Qd3 55.Kg4 Qe4 56.Kg3 Rg2 57.Kh3 Qg4) 53...b1Q 54.e8Q Qf5 55.Ke3 (55.Kg3 Qd3 56.Qe3 Qe3 57.Kg4 Rg2 58.Kf5 Rg5) 55...Rd3 (55...Rd1 56.Ke2 Qf1) 56.Ke2 Re3 (56...Qf3 57.Ke1 Bd2) 57.Qe3-+ Be3 58.Ke3 c2 59.Kd2 Qc5 60.Kc1 Qc4 61.Kd2 (61.a5 Qd3 62.Kb2 Qd1 63.Ka2 Qb1 64.Ka3 c1Q 65.Ka4 Qb5) 61…c1Q 0-1. brucepeng (1860) - SunflowerSeedHalva (1870), lichess.org, 2019.

11.0-0 Rc8 12.d3 Bg6 (better 12...Re8 13.Nfd2 Bc7=+) 13.Re1? (13.Qc2 Re8=+) 13...Bc7 (better 13...Be1!? 14.Qe1 Re8-+) 14.g3 (14.Qc2 b6=) 14...Ba5=+ 15.Nbd2 Re8 16.Rf1 (16.Rc1 b6=) 16...Bc7 (16...Bc3!? 17.Qb3 Na5-/+) 17.Rc1= b6 18.Nc4 Nf6 19.Re1 (19.Qa4 Bb8=) 19...a6 (19...b5 20.Ncd2 Bb6 21.a4=) 20.Bf1 (20.Nh4 b5 21.Ng6 hg6 22.Bf6 Qf6=) 20...b5=+ 21.Ncd2 Bd3 (21...Be5 22.d4 cd4 23.ed4=+) 22.Bd3 (better 22.Rc5!? Bb6 23.Bf6 gf6 24.Rc1+=) 22...Qd3=+ 23.Rc3? (better 23.Rc5!? Bd6 24.Rc3=) 23...Qd6-+ 24.Qc2 c4 25.Rd1 Qe7 26.a4 (better 26.Qf5-+) 26...Ba5 27.Ra3 (27.ab5 Bc3 28.bc6 Bb2 29.Qb2 Rc6-+) 27...b4 28.Raa1 c3 29.Bc1 (29.Nb3 cb2 30.Qb2 Ne4-+) 29...cd2 30.Bd2 (30.Nd2 Nd5 31.Nb3 Nd4-+) 30...Nd4! 31.Qf5 (31.ed4 Qe4 Double attack (31...Rc2 Discovered attack; 31...Qe4 Decoy); 31.Nd4 Rc2 Discovered attack) 31…Nf5 0-1. brucepeng (1995) - Katze_Dessau (2085), lichess.org, 2020.

11.0-0 Rc8 12.d4 Qb6 13.dc5?? Qb2–+ 14.Qd5 Be6 15.Qh5 Qe2 16.a4 Rcd8 17.Qh4 Rd1 (17...Rd1 18.Nbd2 Ra1 (18...Bd2?! 19.Rad1 Bb4 20.Rb1–/+) 19.Ra1 Bd2–+) 0–1. Mielke,Sven (2095) – Sawatzki,Joerg (2260), Ryck – Open Greifswald, 2002.

11.0-0 Qd6 12.d4 cd4 13.Nd4 Bg6 14.Bd3 Nd4 15.Bd4 Rfd8 16.Bg6= hg6 17.Qb3 Bb6 ½–½. Klarius,G – Wittmann,Dr.W, corr ICCF EU/M/Gr/879 (year?).

11.0-0 Qe7 12.Bb5 Rad8 13.Bc6 bc6 14.Qa4 Bc7 15.Qc6 (15.Nc3!?=) 15...Be4=+ 16.Qa4 Rb8 17.Nc3?? (better 17.Bc3=+) 17...Bf3–+ (17...Rb2 18.Qe4 (18.Ne4? Nb6 19.Qa5 Qe4–+) 18...Qe4 19.Ne4+=) 18.gf3 Rb2 19.Nd5 Qg5 20.Kh1 Qd5 (20...Qd5 21.Qe4 Qh5–+) 0–1. GuestSMVF – GuestLLTJ, freechess.org, 2017.

11.0-0 Re8 12.d4 Qf6 13.Qb3 Nf4 14.Bb5 Be4?? (14...Ng2 15.dc5 Qg6–+) 15.ef4+– Qf4 16.dc5 Re6 17.Bc6 Bc6 18.Nd4 Rh6 19.g3 Rh2 (19...Qe4 20.Nc6 Qc6+–) 20.Nc6 (20.gf4?? Rh1#; 20.Kh2?? Qh6 21.Kg1 Qh1#) 20...Qh6 (20...Qe4 21.Kh2 Qc6 22.Nc3+–) 21.Ne7 (21.Na5 Rh1 22.Kg2 Qh3 23.Kf3 Qf5 24.Ke3 Rf1+=) 21...Kf8 22.Bg7! Qg7 (22...Kg7 23.Nf5 Double attack; 22...Qg7 23.Kh2 Deflection (23.Kh2 Overloading)) 23.Kh2 Qa1 24.Nf5 (24.Qb7 Re8 25.Nf5 Qa2+–) 24...Qe5 25.Nd6 Qh5 26.Kg1 Rd8 (26...Rb8 27.Rd1+–) 27.Qb7 1–0. bluepiramid2 (1715) – ferminkatcho (1675), internet, 2012.

11.0-0 Bg6 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 a6 15.h3 b5 16.Qd8 Rfd8 17.Rad1 f6 18.Nh4 Bc2 19.Rc1 Bd3 20.Bd3 Rd3 21.Nf5 Ne5 22.Rfd1 Rad8 23.Rd3 Rd3 24.Ng3 Kf7 25.Ne4 Rd5 26.Kf1 Nc4 27.Ra1 f5 28.Ng3 g6 29.Ne2 g5 30.Ke1 Ke6 31.g4 Nd2 32.gf5 Kf5 (32...Rf5? 33.Kd2 Rf2 34.a4+–) 33.Ng3 Ke5 34.Ke2 Nc4 35.a4 b4 36.cb4 cb4 37.Rc1 Nb6 38.Rc7 Na4 39.Rh7 Nc3 40.Kf3 b3 (40...b3 41.Re7 Kd6–+) 0–1. mr5reasons1 (1620) – mhead123 (1800), GK tournament, 2012.

11.Nc3 Nf6 12.0-0 Bd3 13.Rc1 c4 14.a4 (14.Bd3 Qd3 15.Qc2 Qc2 16.Rc2 Rfd8=) 14...a6 15.Nd4 (15.Ne1!? Be2 16.Qe2=) 15...Nd4-/+ 16.ed4 (16.Bd3 Nb3 17.Bc4 Nd2-/+) 16...Qd4 17.Bd3 Qd3 18.Ne2 (better 18.Nb1!? Ne4 19.Re1 Nf2 20.Kf2 Bb6 21.Re3-+) 18...Ne4 19.Nf4 Qd2 20.Qd2? (better 20.Qf3 Ng5 21.Qg3 Qb2 22.Qg5-+) 20...Nd2 (20...Bd2?! 21.Rc4 Nd6 22.Rd4 Bf4 23.Rf4-/+) 21.Rfd1 Rac8 (21...Rfd8 22.Be5-+) 22.Bc3?! (22.Nd5 Rcd8 23.Ne7 Kh8 24.Nf5-+) 22...Bc3 23.Rc3 Ne4 (better 23...Rfd8!? 24.Re1-+) 24.Rcc1 b5 25.ab5 ab5 26.h3 b4 (better 26...Rfe8!?-+) 27.Nd5 b3?? (better 27...Rfd8-+) 28.Ne7+/- Kh8 29.Nc8 Rc8?? (better 29...b2 30.Rc4 Nd2+/-) 30.Rd4 (better 30.Rc4! Rb8 31.Rb4+-) 30...b2-+ 31.Rcd1 Nf6 32.Rd8 (32.Re1-+) 32...Rd8 33.Rd8 Ng8 34.Rb8 c3 35.Kf1 (35.Kh2-+) 35...c2 36.Rb2 c1Q (36...c1Q 37.Ke2 Qb2 38.Ke3 Nf6-+) 0-1. brucepeng (1935) - Yuriis38 (1940), lichess.org, 2020.

11.0-0 b5 12.Nc2 Ba5 13.Ne5 Ne5 14.Be5 Nb6 15.d3 Qe7 16.Bb2 Na4.

11.0-0 b5 12.Nc2 Ba5 13.Ne5 Ne5 14.Be5 Nb6 15.d3 Qe7 16.d4 Rad8 17.Qc1 f6 18.Qa3 (18.Bf4 Bc3 19.Rb1 cd4 –+) 18...fe5 19.Qa5 Nd5 20.Bd1 Bc2 21.Bc2 Nb4 22.Bd1 ed4 23.ed4 Rd4 24.a3 Nd5 25.Qa6 Nc7 26.Qa5 Qd6 27.Be2 c4 28.Rad1 Rd1 29.Rd1 Qc5 30.Bf3 g5 31.h3 h5 32.Qe1 g4 33.hg4 h4 34.Bd5 Nd5 35.Qe6 Rf7 36.Qe8 Rf8 37.Qe6 Rf7 ½–½. Magee,Tony – Wall,Bill, corr, 1980.

11.0-0 b5 12.Nc2 Ba5 13.Ne5 Ne5 14.Be5 Nb6 15.d3 Qe7 16.d4!? Rad8 17.Bd3 Bd3 18.Qd3 Qe5 19.Qa3 Nc4 20.Qa5 (20.de5 Na3 21.Na3 Bc3 –+) 20...Na5 21.de5 Nc4 –+ 22.f4 Rd2 23.Rf2 Rfd8 24.Re1 Nb2! 25.Rfe2 (25.Rd2 Rd2 26.Na3 Nd3 27.Ra1 c4 –+) 25...b4 26.Nd4 (26.Kf1 Nd1 27.Rd2 Rd2 28.Re2 Rc2 –+; 26.Rd2 Rd2 27.Na1 c4 –+; 26.e4 Nd1! 27.Ne3 Ne3 28.Re3 Ra2 29.Rc1 c4 –+) 26...Re2 27.Re2 (27.Ne2 Rd2) 27...Nd1! –+ 28.Nc6 Rd3 29.e4 Nc3 30.Rc2 Ne4 31.Kf1 Kf8 32.Ke2 Ra3 33.f5 g6 34.f6 Ke8 35.Kd1 Nc3 36.Kd2 Kd7 37.Kc1 Na2 38.Kb2 Nc3 39.Rd2 Kc6 40.Rd6 Kb5 41.Rd7 Ra2 0–1. Nekashkevich – Oldekop, SU 1969.

11.0-0 b5 12.Nc2 Ba5 13.Ne5 Ne5 14.Be5 Nb6 15.d3 Qe7 16.Bg3 Rfd8.

11.Nc2 Ba5 12.a4 b5! 13.ab5 ab5 14.Bb5 Rb8 15.Bc6 Rb2 16.Bd5 Qd5 17.Na3 Rd2! –+.

11.Nc4 b5 12.a3 bc4 13.ab4 Ndb4 14.Bc4 Bd3! –+.

11.0-0 c4 12.Rc1 (12.a3 Bc5 13.e4 Be6 14.Qc2 Rc8 15.e5 Bd4 16.Nb5; 12.Na4 Qd5 13.Nc3 Qa5 14.a3 Be7 15.d4 cd3 16.Bd3; 12.Nb5 Be4 13.Nfd4 Nd4 14.Nd4 Qd5 15.f3 Bg6 16.Bc3; 12.h3 a6 13.a3 Ba5 14.a4 Re8 15.Ba3 Re6 16.Bc5) 12...Bd3 13.a3 Bc3 14.Bc3 Re8 15.Re1 Rc8 16.Bd4.

11.a3 Ba5 (11...Bc3 12.Bc3 Nd5 13.Qb3 Rb8 14.0-0 b5 15.Rad1 Qd6 16.Nh4) 12.0-0= (12.Rc1 c4 13.0-0 Rc8 14.Nb5 Qd5 15.Nfd4 Rfd8 16.Bf3; 12.Na4 Na4 13.Qa4 Qb6 14.Qb5 Qb5 15.Bb5 Rfd8 16.0-0-0) 12...c4 13.Nb5 Be4 14.Nfd4 Ne5 15.f4 a6 16.fe5.

11.Rc1 c4 12.0-0 Bd3 13.a3 Bc3 14.Bc3 Re8 15.Re1 Rc8 16.Bd4.

11.Rc1 c4 12.a3 Bc3 13.dc3 Bd3 14.Nd4 Ne5 15.0-0 Nd5 16.Qd2.

11.Rc1 c4 12.Nb5 Rc8 13.0-0 Qd5 14.Nbd4 Nd4 15.Nd4 Be4 16.Bf3 Rfe8 17.Be4 Qe4 18.Ba1 Nd5 19.Qc2 Qc2 20.Rc2 a6 21.a4 g6 22.Rb1 b6 23.g3 f5 24.h4 Bd6 25.h5 Kf7 26.Nf3 gh5 27.Bd4 Rg8 (27...Rc6 28.d3 Rec8 29.e4 fe4 30.de4=) 28.Kf1= Nb4 (28...Rg4!?=) 29.Rcb2+= Nd5 30.Bb6 c3 31.dc3 ½–½. aspasio (2465) – pcmvr, net–chess.com, 2012.

11.Rc1 c4 12.Nb5 Be4 13.Na3 Ba3 14.Ba3 Re8 15.Bc5 Ne5 16.Ne5.

11.Rc1 Rc8 12.0-0 (12.a3 Bc3 13.Rc3 Na5 14.d3 Qe7 15.Rc1 c4 16.Nd4; 12.Na4 Qd5 13.Nb6 ab6 14.Bc4 Qd6 15.a3 Ba5 16.0-0; 12.d3 Nd4 13.e4 Bd7 14.Kf1 Ne2 15.Qe2 f6 16.g3) 12...c4 13.a3 Bc5 14.Re1 h6 15.Nb5 Bd3 16.Nbd4.

11.Rc1 Bd3 12.a3 (12.Bd3 Qd3 13.a3 Ba5 14.Qc2 Qc2 15.Rc2 Bc3 16.Bc3) 12...Bc3 13.Bc3 Re8 14.0-0 Qd5 15.Bd3 Qd3 16.Qc2.

11.Rc1 Qd7 12.a3 (12.0-0 Rad8 13.h3 c4 14.a3 Ba5 15.Kh1 a6 16.e4) 12...Ba5 13.0-0 Rad8 14.Qb3 Bd3 15.Rfe1 c4 16.Qb5.

11.Rc1 Qe7 12.0-0 (12.a3 Ba5 13.0-0 Rad8 14.Re1 h6 15.h3 Rfe8 16.Qb3) 12...Rad8 13.a3 Ba5 14.Re1 h6 15.h3 a6 16.Qb3.

11.Rc1 Re8 12.0-0 (12.a3 Ba5 13.0-0 Qd7 14.d3 h6 15.h3 Rac8 16.Nh4) 12...c4 13.Nb5 Rc8 14.a3 Bc5 15.Nbd4 Nd4 16.Nd4.

11.Rc1 h5 12.a3 (12.0-0 c4 13.Nb5 Bd3 14.Nbd4 Nd4 15.Nd4 Qd5 16.Bd3; 12.d3 Qe7 13.e4 Be6 14.0-0 Rfd8 15.Qc2 h4 16.a3) 12...Ba5 13.0-0 c4 14.Nb5 Be4 15.Nbd4 Rc8 16.d3.

11.dc3 Qf6 12.Qb3 (12.0-0 Bc3 13.Bc3 Qc3 14.Rc1 Qf6 15.Rc5 b6 16.Rc1) 12...Ba5 13.0-0 Rad8 14.Rad1 h6 15.Bc4 Bc7 16.Bd5.

12.0-0 Qb6 13.Qb3+= Rad8 14.Rfd1 Rfe8 15.g3 h6 16.Nd2.

12.0-0 Bc7 13.Qb3= Qe7 14.Rad1 (14.Rfd1 Rad8+=) 14...Rad8 15.c4 Rfe8 16.g3 (16.a3 Be4=) 16...Na5 (16...b6 17.Rd8 Rd8 18.Rd1+=) 17.Qa3 (17.Qc3 f6+=) 17...Be6 (17...b6 18.Rd2+=) 18.Qa4 (18.Qc3 f6+=) 18...Bd7 (18...Nc6 19.Rd8 Rd8 20.Rd1+=) 19.Qc2 Nc6 (19...Bc6 20.Rd8 Rd8 21.Qc3+=) 20.Bc3 Ba5 (20...Bd6 21.Rd5=) 21.Bb2 (21.Ba5 Na5 22.Bd3 h6=) 21...f6 (21...Nb4 22.Qb1+=) 22.a3 (22.Bd3 g6 23.Bg6 hg6 24.Qg6 Qg7 25.Qf6 Qf6 26.Bf6 Bg4 27.Bd8 Bf3=) 22...Qf7 23.Bd3 (23.Rd5 Ne7 24.Rdd1 Bc6+=) 23...Qh5 24.Be4 Bg4 25.Rd5 f5 26.Nh4 Re4–/+ 27.f3 Bf3! 28.Nf3 Qh6 29.Bc1 g6 30.Qb3 Bb6 31.Rd8 Nd8 32.Rd1 Re7 33.Rd5 Nf7 34.Kg2 Re8 35.a4 Qf8 36.Bb2 Qh6 37.Bc1 Qf8 38.Bb2 Qh6 39.Bc1= ½–½. Gavrijski,Dimitar (2170) – Cottarelli,Franco (2105), corr WSTT/3/06/Semifinal, 2008.

12.0-0 Qd1 13.Rad1 Rad8 14.Ba3 b6 15.Bb5 (15.Bb2 Be6 16.Bb5 Nb8=) 15...Ne7=+ 16.Bb2 Be6 (16...Nd5 17.Rc1=+) 17.Ne5 (17.c4!?=) 17...Ba2–/+ 18.Nd7 Bb3 19.Rd3 Rfe8 20.Ra1 c4 21.Rd6 h5 22.g3 h4 (22...Ng6 23.Rd4–/+) 23.e4 (23.Ne5 Rd6 24.Be8 Rd2 25.Bf7 Kh7 26.Ra5 ba5–+) 23...Ng6–/+ 24.f4 Rc8 (24...a6 25.Bc6–/+) 25.Re1 White prepares e5 25...Bc2 (25...h3 26.Kf2–/+) 26.Rd4 Bd3 27.Kf2 Re7 28.e5 Bf5 (28...Rc7 29.Nb8 Rc5 30.Ba6–/+) 29.Red1=+ Bg4 30.R1d2 Ree8 (30...Be6 31.Ke3=+) 31.gh4= (worse 31.Rc4 Rc4 32.Bc4 Rc8–/+) 31...Ne7 (worse 31...Nh4 32.f5 (worse 32.Rc4 Ng6=+) 32...Bf5 33.Rh4+–) 32.Ba6 Rc7 33.Bb5 Rec8 34.Ba6 Ra8 35.Bc4 (35.h5 Be6 36.Rd1 b5=+) 35...Be6 36.Ba6 (36.Be6 fe6 37.Rd6 Nf5=+) 36...Nf5 Attacking the isolated pawn on c3 37.R4d3 Nh4 38.Rd1 Nf5 39.h3 Kh8 40.Kf3 Re8 41.Ke2 Ne7 42.c4 Bb4 43.Kf3 Ra8 44.Bb5 Nf5 (44...Bc4!? 45.Bc4 Rc4–/+) 45.Ra1= Rac8 (45...Bc4? 46.Bc4 Rc4 47.Nb6 ab6 48.Ra8 Kh7 49.Rd7+–) 46.Rad1 (46.Ba6 Rd7 (46...Bd7 47.Rd7 Rd7 48.Bc8 Nh4 49.Kg4+–) 47.Rd7 Bd7 48.Bc8 Bc8 49.Ra7 Be6–/+) 46...Ra8 (better 46...Bc4!? 47.Bc4 Rc4–/+) 47.Ra1= Rg8 (47...Bc4? 48.Bc4 Rc4 49.Nb6 ab6 50.Ra8 Kh7 51.Rd7+–) 48.Ke4 Be7 49.Ba3 Rgc8 50.Be7 Ne7 51.Ke3 Nf5 (51...Bh3? 52.Rh1+–) 52.Kd2 Kh7 (52...Rd8 53.Nc5 Rd3 54.Nd3=+) 53.Ra4 Kh6 54.Ra1 (54.Raa3 Kh5=+) 54...Bc4 55.Bc4 Rc4 56.Ra7 Rc2 57.Kd1 Rc1 58.Ke2 R8c2 59.Kf3 Rc4 60.Ra6 Kh5 61.Nb6 Rf1 62.Ke2 Rcf4 63.Kd2 R4f2 (63...Nd4 64.Ra8 Nf3 65.Kc3 Rf5–/+) 64.Kc3–/+ Rc1 65.Kb3 Rc6 66.Kb4 (66.Rd7 Rf1 67.Rd2 Rb1 68.Rb2 Rb2 69.Kb2 Ne3–+) 66...Rfc2 67.Rf3 Nd4 68.Na4?? (better 68.Rd3 Ne6 69.Rd6–/+) 68...Ra6 (better 68...R2c4 69.Ka5 Ra6 70.Ka6 Ra4 71.Kb6 Nf3 72.Kc6–+) 69.Rf5 (69.Rd3 Nc6 70.Kb3–+) 69...Nf5 70.Nb6 Rb6 71.Ka5 Rb1 72.e6 Ra2 0–1. Trokenheim,Marek (1825) – Duenas,Alexis (1925), FICGS, 2017.

12.0-0 Re8 13.Qa4 =.

12.Qb3 Qe7+= 13.0-0 Rad8 14.Rad1 Bc7 15.c4 b6 16.h3.

12.Qd8 Rad8 13.Nd2 Rfe8 +=.

13.Qb3 Bc7 14.Rad1 Rad8 15.c4 f6 16.Rd5 (16.Qb7?? Bh2 17.Kh2 Qb7–+) 16...Be6 (16...Be4 17.Rfd1=+ (17.Qb7?? Bh2 18.Kh2 Qb7–+)) 17.Rfd1= Na5 (worse 17...Bd5 18.cd5 Na5 19.d6 Nb3 20.de7 Rd1 21.Bd1+–) 18.Qc2 Bd5 19.cd5 b6 20.h3 Kh8 21.Bb5 Qf7 22.e4 Nb7 23.Bc6 Nd6 24.Re1 Nc8 25.Bb5 Ne7 26.g3 Bd6 27.Bc3 Ng6 28.Qe2 Qc7 29.Kg2 Kg8 30.h4 h5 31.Ng1 Qf7 32.Nh3 (32.Qh5?? Nf4 33.gf4 Qh5–+) 32...Ne7 33.Bc4 Qg6 34.Qd1 Kh8 35.Re3 Qh6 36.Be2 a6 37.Bh5 (37.Ba6 Ra8 Decoy) 37...c4 38.Re1 Qh7 39.Bg4 b5 40.Qe2 Rfe8 41.Be6 b4 (41...Nc6 42.h5 Re6 43.de6+– (43.dc6 Rde8 44.Rd1 Bb8–/+)) 42.Bd4 c3 (42...Nc6 43.Bb6 (43.dc6?! Re6 44.e5 Re7+–) 43...Rb8 44.dc6 Re6 45.Qc4+–) 43.Rh1+– Nc6 44.dc6 Re6 45.Ng5 White intends h5 45...Qg6?? (45...fg5 46.hg5 Qh1 47.Kh1 Be5 48.Be5 Re5+–) 46.Ne6 Re8 47.h5 (47.c7!? Bc7 48.Nc7 Qe4 49.Qf3 Re7+–) 47...Qf7 48.Nc5 a5 (48...Kh7 49.Na6 f5 50.e5 Be5 51.Be5 Qd5 52.Qf3 Qe5 53.Nb4+–) 49.h6 (49.h6 Bc5 50.hg7 Kg7 51.Bc5+–) 1–0. marekt (2120) – urdukan (2325), gameknot.com, 2015.

13.Qb3 Rad8 14.Rad1 Bc7 15.c4 b6 16.a3.

13.Qb3 Rad8 14.Rfd1 Bc7 15.Qb7?? Bh2 16.Nh2 Qb7 –+.

13.Qb3 Rad8 14.Rfd1 Bc7 15.c4 Na5 16.Qa3 b6 17.Bc3 Nc6 18.Qa4 Qe6 19.g3 h6 20.Rac1 Bb8 21.Qb3 Be4 22.Nd2 Bg6 23.Bf3 Ne7 24.Nb1 Be4 25.Be4 Qe4 26.Ba1 Qf3 27.Nc3 Be5 28.Nd5 Nd5 29.Be5 Nb4 30.a3 Nc6 31.Bc3 Rfe8 32.Qa4 Qe4 33.h4 Qf3 34.Bb2 Qe4 35.Bc3 Qf3 36.Bb2 Qe4 (36...Rd1 37.Rd1 Re4–/+) 37.Bc3= ½–½. pierred – underjon (2535), net–chess.com, 2016.

13.Qb3 Rad8 14.Rfd1 Bc7 15.c4 Na5 16.Qa4 h6 (16...Qe6 17.Be5 Be5 18.Ne5=) 17.Bc3 Nc6 18.Qb5 (18.Qb3 b6=) 18...a6 (18...Rfe8 19.Kh1=) 19.Qb2 f6 20.Rac1 Rd1 (20...Bd6 21.Rd2=) 21.Rd1 Rd8 22.Rd2 (22.Rd8 Nd8 23.Nd2 Qd6=) 22...Rd2 23.Nd2 b6 (23...Qd6 24.g3 b6 25.Qa3=) 24.Qa3 a5 (24...Qd6 25.g3 Nb4 26.Bf3=) 25.Qb3 (25.Bf3 Nb4=) 25...Ne5 26.g3 Qe6 (26...Qe8 27.e4 Nc6 28.Bf3=) 27.Qb5 Kh7 28.Qb3 (28.e4 Bg6=) 28...Nc6 (28...Qd7 29.e4 Be6 30.f4=) 29.Bf3 Qd6 (29...Qd7 30.a3=) 30.Bd5 (30.Bg2 Ne5+=) 30...Nb4 (30...Ne7 31.Bg2=) 31.Bb4 cb4 (31...ab4 32.a3=) 32.Nf3+= Bd7 33.Qc2 (33.Nd4 Qe7+=) 33...f5 34.Nh4 (34.Qd3 g6+=) 34...Qf6= 35.e4 (35.Qd3=) 35...Bd8 (35...g6 36.ef5 g5 37.Nf3 Bf5 38.Be4=) 36.Qd1 (36.Nf5!? g6 37.Ne3+–) 36...Be7= 37.ef5 (37.Qb1 g6=) 37...Bf5 38.Kg2 (38.Nf5 Qf5 39.h4 Bc5=) 38...Bc5 39.Nf5 Qf5. Degterev,Pavel (2545) – Tinture,Laurent (2455), Memorial Bernstein A, 2007.

13.Qb3 Rad8 14.Rfd1 Bc7 15.c4 b6 16.Bc3 (16.h3 f6=+; 16.Rac1=) 16...Bb8 (16...Nb4 17.Rd8 Rd8 18.a3=+) 17.Rd5 (17.a3 h6=) 17...Be4 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 f6 (20...h6 21.g3=) 21.Nd2 Qd6 (21...Bf5 22.Bf3 Nb4 23.a3=) 22.g3 (22.Ne4?? Qh2 23.Kf1 Qh1) 22...Bg6 (22...Bf5 23.Bf3 Ne7 24.Qf1=) 23.a3 (23.Qa4 Ne7=) 23...Ne7 (23...Qe7 24.Nf3 Be4 25.Nd2=) 24.f4 (24.Qa4 Qd8=) 24...Nf5 25.e4 Nd4 26.Bh5 Bh5 (26...Qe6 27.Bg6 hg6 28.Bd4 cd4 29.Qb3=) 27.Qh5 g6 28.Qd1 Kf7 (28...Qe6 29.Nf3 Qe4 A) worse 30.Bd4 cd4 31.Qd4 Qf3 32.Qd8 Kf7 33.Qd7 Kf8 34.Qd8 Kg7 35.Qe7 Kh6 36.Qf8 Kh5 37.Qb8 Qe3 38.Kg2 Qe4 39.Kg1 Qe1 40.Kg2 Qe2 41.Kg1 Qd1 (41...Qc4?! 42.Qa7 Qd4 43.Kg2 Qd5 44.Kf2 Qd2 45.Kf1=) 42.Kg2 Qd2 43.Kh3 Qe2–/+; B) 30.Nd4 cd4 31.Bd4=) 29.Qf1 Qe6 (29...Bc7 30.Qf2=) 30.Kg2 (30.Qd3 Qd6=) 30...Nc2 31.Qe2 Na3 (31...Qc6 32.Bb2 Qd7 33.Nb3+=) 32.e5 fe5 33.fe5 Qc6 34.Kg1 Ke7 35.Qd3 (35.Qd1 b5=) 35...b5 36.Ba5 (36.Bb2 b4=) 36...Be5 37.Qa3 Bd4 38.Kf1 Qh1 39.Ke2 Qh2 (39...bc4 40.h4= (worse 40.Nc4 Qg2 41.Kd1 Qf1 42.Be1 Qc4–/+)) 40.Kd1 Qh1 (40...Qh5 41.Kc1 b4 42.Qd3 Qh1 43.Kc2=) 41.Kc2 b4 42.Qf3 (42.Qd3 Qa1 43.Qe4 Kf6 44.Qf4 Kg7 45.Qc7 Kh6 46.Qf4 g5 47.Qf8 Kg6 48.Qe8 Kg7 49.Qe7 Kg6 50.Qe8 Kg7 51.Qe7 Kg6 52.Qe8=) 42...Qf3 43.Nf3 Bf6 44.Bc7 Ke6 45.Kb3 (45.Bb8 a5 46.Kb3 Kf5=+) 45...h5 (45...Kf5 46.Bd6 Ke4 47.Nd2 Kd3 48.Nf3=) 46.Bf4 (46.Bb8 a6=) 46...Be7=+ 47.Bb8 (47.Be3 a5=+) 47...a6–/+ 48.Ng1 (48.Bc7 g5–/+) 48...g5 49.Nh3 Kf5 50.Nf2 a5 51.Nd3 (51.Bc7 Bf6 52.Ba5 Bd4–+) 51...Ke4 52.Ne5 h4 ½–½. Buczinski,Henryk (2175) – Podvoysky,Evgeny (2140), WC–2015–P–00002, 2011.

13.Qb3 Rad8 14.Rfd1 Bc7 15.c4 f6 16.Bc3.

13.Qb3 Rfd8 14.Rad1=+ Bc7 (14...Rab8 15.c4=+) 15.c4= b6 16.Rfe1 (16.a3 Qe6=) 16...Nb4 (16...Qe6 17.Qc3 Qh6 18.h3=+) 17.a3 Nc6 18.Qb5 Na5 (18...Qe6 19.Ng5 Qh6 20.f4=) 19.Bc3 Nb7 20.Qb2 f6 21.Nd2 Nd6 22.e4 Bg6 (22...Ne4 23.Bf3 Nd2 24.Ba8 (worse 24.Re7 Nf3 25.gf3 Rd1 26.Kg2 Bd6–/+) 24...Nc4 25.Qb3 (25.Re7 Rd1 26.Re1 Re1 27.Be1 Nb2–+) 25...Rd1 26.Qd1 Bh2 27.Kh2 Qd6 28.Qd6 Nd6 29.Bd5 Kf8 30.Bd2+–) 23.Bf3+= Rab8 (23...Rac8 24.e5 fe5 25.Re5+=) 24.e5 fe5 25.Be5 Qf8 1–0. guestuuwd – guestssdz, Internet, 2018.

10.0-0 Ba5 11.d4 cd4 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 (worse is 14.ed4 Re8 15.Qb5 a6–/+) 14...Nf4 15.Qb2 (worse is 15.ef4 Qd4 16.Qe5 Qe5 17.fe5 Bc7–/+) 15...Ne6 16.Be5 Qd5 17.Na3 Rfd8 18.Rab1 Rac8 19.Bg3 Rd7 20.h3 a6 21.Rfc1 Rc1 22.Qc1 (22.Rc1 b5+=) 22...h6 (better is 22...Qa2!? 23.Nc4 Bc3–/+) 23.Qc8 Kh7 24.Qc2 g6 25.Nc4 Bc7 26.Nb6 Bb6 27.Rb6 Qd1 28.Qd1 Rd1 29.Kh2 Rd7 30.Be5 g5 31.f4 Nd8 32.g4 Nc6 33.Bb2 Ne7 34.fg5 hg5 35.Kg3 Nd5 36.Rb3 b5 37.Rd3 a5 38.Kf3 Kg6 39.Ke4 Nf6 40.Bf6 Rd3 41.Kd3 Kf6 42.Kd4 Ke6 43.Kc5 f5?? 44.gf5+– Kf5 45.Kb5 Ke4 46.Ka5 Ke3 47.Kb5 Kf3 48.a4 Kg3 49.a5 Kh3 50.a6 g4 51.a7 g3 52.a8Q g2 53.Qf3 Kh2 54.Qf2 Kh1 55.Qh4 Kg1 56.Kc4 Kf1 57.Qf4 Ke2 58.Qg3 Kf1 59.Qf3 (59.Qf3 Kg1 60.Qf6 Kh2 61.Qh4 Kg1 62.Kd3 Kf1 63.Qf4 Kg1 64.Qf6 Kh1 65.Qh8 Kg1 66.Ke3 Kf1 67.Qa1#) 1–0. Schiefelbusch,Dirk (2105) – Cebulla,Konstantin (1975), Dortmund GER, Sparkassen Open, 2012.

10.0-0 Rc8 11.d4 cd4 12.Nd4 Nd4 (better is 12...Be2!? 13.Qe2 Nd4 14.Bd4 Bc5+=) 13.Bg4+/– (worse is 13.Bd4 Be2 14.Qe2 Bc5+=) 13...Nc2? (better is 13...Ne6 14.Bf3 Nb6+=) 14.Bc8+– Na1? (14...Nde3 15.fe3 Qd1 16.Rd1 Rc8+–) 15.Bb7 (15.Bb7 Ne3 16.fe3 Qd1 17.Rd1+–; 15.Ba1?! Ne3 16.Qd8 Rd8+–) 1–0. carocan (1810) – bigpikus (1685), internet, 2012.

11.a3 Ba5 12.Qa4 Bd7 13.Qc2 Rad8 14.h3 Nf4 15.ef4 Qe2 16.Re1 Qb5 17.a4 Qb4 18.Ng5 f5 19.Na3 Bc7 (19...Qf4 20.Qb3 c4 21.Nc4 Qg5 22.Na5 Rf7 23.Nc4=) 20.Nc4 Bf4 21.Nf3 b5 22.ab5 Qb5 23.g3 Bb8 24.Na3 Qb4 25.Bc3 Qb7 26.Qa2 Kh8 27.Rab1 Qc8 28.Ng5 Be8? 29.Bg7+/– Kg7 30.Ne6 Kh6 31.Nf8 Ne5 32.Re3 Bf7 33.Qa1 Rf8 34.Rb8 Qb8 35.Re5 Kg6 36.Nc2 Qd6 37.h4 Be6 38.Ne3 Rb8 39.h5 Kh5 40.g4 Kg5+= 41.gf5 Ba2 42.Re6 Rb1 43.Qb1! Be6? 44.fe6 Qe6 45.Qh7 a5 46.Qc7 1–0. Lannoy,Jean_Claude (1750) – Tanti,Joseph (1625), SC–2010-0-00068, 2010.

11.a3= Ba5 12.Qa4 Bh5 13.Nc3 Nb6 14.Qf4 Rad8 15.Rfd1 Rfe8 16.Qg3 f5 17.d3 Rd6 18.Nh4+/– Bg6 19.Nb5 Rd7 20.Ng6 hg6 21.Qg6 =. Brauer,Christian – Kahn,Evarth, corr, 1976.

11.a3= Ba5 12.Qa4 Bh5 13.Nc3 Rad8 14.Rfd1 a6 15.Nd5 Rd5 16.Qf4 Bc7=+ 17.Qc4 Rfd8 18.Qc3 Ne5–/+ (18...Ne5 19.Kh1 f6–/+) 0–1. Cornacchini,Gabriele (1700) – Milde,Lars (1970), T8e–07.20 TSC, 2002.

11.a3= Ba5 12.Qb3 Rad8 13.Nc3 Nb6 14.Rad1 c4 15.Qc2 Bf3 Black gets strong initiative 16.Bf3 Ne5 17.Be2 Nd3 18.Bd3 cd3 19.Qb3 Qe6 20.Qe6 fe6 21.Nb5 Nc4 22.Bc3 Bc3 23.Nc3 Rc8 24.Ne4 Na3 25.Ra1 Nb5 26.Rfb1 a6 27.Rb3 Rfd8 28.f4 Rd5 29.Nf2 Rc2 30.Ne4 e5–+ 31.f5 Rc4 (31...Rc4 32.Ng5 e4–+) 0–1. Castilho,Marco A – Woischke,Norbert, TT–04–0031, 2004.

11.d4 b6 12.dc5 Qc5 13.Bd4 Nd4 14.Nd4 Be2 15.Qe2 Rac8 16.Nb3 Nc3 (16...Qc6 17.Rd1+=) 17.Nc3= Qc3 18.Rac1 Qe5 19.Rc8 Rc8 20.Qg4 Rd8?? (better is 20...Qc3=) 21.Qb4+– Qd6 22.Qd6 Rd6 23.Rc1 h6 24.Nd4 a5 25.Rb1 g6 26.a4 Kg7 27.Kf1 Kf6 28.Ke2 h5 29.Rb5 Ke7 30.h4 f6 31.f4 f5 32.Re5 Kf6 33.Kf3 Rd8 34.Re6 Kf7 35.Rb6 Rc8 36.Rb5 Ke7 37.Ra5 Rc4 38.Ra6 Kf7 39.Nb5 Rb4 40.Nc7 Rc4 41.Ra7 Kf6 42.a5 Rc5 43.a6 Rc1 44.Ne8 Ke6 45.Rg7 Rc8 46.Rg6 Kf7 47.Nd6 Kg6 48.Nc8 Kf6 49.a7 Kg6 50.a8Q Kg7 51.Qc6 Kf8 52.Qd7 Kg8 53.Nd6 Kh8 54.Nf5 Kg8 55.Qg7 1–0. Hal1958 – Bolluyt, playchess.de, 2004.

11.d4 Rfd8!? +=.

11.h3 Bh5 12.Qb3 Rad8 13.a3 Ba5 14.Nc3 Nf6 15.Rfd1 Bc7 16.d4 (16.Rac1 Rfe8=) 16...cd4 17.Nd4 Nd4 18.Rd4 Rd4 19.Bh5? (19.ed4 Be2 20.Re1–+) 19...Rd2–+ (19...Nh5?! 20.ed4 Re8 21.Qc4+=) 20.Bf3 b6 21.Nb5 Bb8 22.Bc3 Rd3 (22...Rdd8 23.Qb2–/+) 23.Qc2 (23.Qb1!? Rc3 24.Nc3+=) 23...Rdd8–/+ 24.Bb4? (better is 24.Qb2!?–/+) 24...Qe5–+ 25.Bf8?? (25.Rb1 Rfe8 26.Bc6–+) 25...Qa1 (25...Qa1 26.Qb1 Qb1 27.Bd1 Rd1; 25...Rf8?! 26.Rb1=; 25...Kf8?! 26.Rb1=; 25...Qb5?! 26.Be7 Qe5 27.Bf6 Qf6 28.Rd1=) 0–1. marvis (1760) – chinskajakosc (1645), internet, 2013.

12.a3 Ba5 13.Rc1 b6 14.Qa4 Bd7 15.Qc4 Bf5 16.Nc3 Nc3 17.Bc3 Bc3 18.Rc3 Be4 19.d3 Bd5 20.Qf4 Rd6 21.h4 Rad8 22.h5 Rf6 23.Qg3 Qd6 24.Qd6= Rfd6 25.Nh4 Be6 26.f4 Ne7 27.Kf2 Nd5 28.Rcc1 Nf6 29.f5 Bb3 30.Rc3 c4–/+ 31.Bf1 Nd5 32.Rcc1 cd3 33.Bd3 Ne3! 34.Be4 Ng4 35.Kg3 Nf6 36.Bf3 h6 37.Rc7 R6d7 38.Rac1 Kf8 39.Kh3 Rc7 40.Rc7 Rd7 Black gets deadly initiative 41.Rc3 Bd5 42.Be2 Bb7 43.Kh2 Re7 44.Bd1 Nd5 45.Rd3 Re3 46.Re3 Ne3 47.Bb3 Ke7 48.Kg3 Kf6 49.Kf2 Nf5 (49...Nf5 50.Nf5 Kf5 51.Bf7 Kg5–+) 0–1. Miralles,Gilles – Gulko,Boris F, Marseille, 1986.

12.a3 Ba5 13.Rc1 b6 14.d4 cd4 15.Ne5?? Ne5–+ 16.Bg4 Ng4 17.Bd4 Nde3! 18.Be3 Qe5 19.Ra2 Qh2 20.Kf1 Qh1 21.Ke2 Qg2 (21...Qg2 22.Qc6 Ne3 23.Qg2 Ng2–+) 0–1. Dopper,Johan – Bothe,E, corr, 1992.

12.Nc3 Ba5 13.Nd5 Rd5 14.a3 (14.d3 Rad8+=) 14...Bd2 (14...Bf3 15.Bf3 Rd2 16.Qc1–/+) 15.Rfd1 (15.Bc4!? Bf3 16.Bd5 Bd5 17.Qd2+=) 15...Rad8+= 16.h3 (16.Qc4 Be6 17.Nd2 Rd2 18.Qc3 Rd1 19.Rd1 Rd1 20.Bd1–/+) 16...Bf3 (better is 16...Bf5!? 17.Qb3 Na5–/+) 17.Bf3= R5d7 18.Bc6 (18.Bg4 Rd6+=) 18...bc6+= 19.a4 Ba5 20.Rd7 Rd7 21.Ba3 Qe5 22.Rc1 Rd2 (22...Bc7!?+=) 23.Qc5+= Qc5 24.Bc5 a6 (better is 24...Rd7!?+=) 25.Bd4+/– Ra2 26.Rc6+– f6 27.Ra6 Be1 28.e4 Kf7 29.g3 h5 30.Kg2 Bd2 31.Ra7 Kg6 32.a5! Ra5 33.Ra5 Ba5 34.f4 Bc7 35.Kf3 h4 36.g4 Kf7 37.Bf2 g5 38.Be3 Kg6 39.f5 Kf7 40.Ke2 Be5 41.Kd3 Ke7 42.Kc4 Kd6?? 43.Bc5 (43.Bc5 Kd7 44.Bd4+–) 1–0. marvis (1805) – cienkieopole (1715), playok.com, 2012.

11.a3 Ba5 12.Qa4 Qd7 13.Qc4 Rac8 14.Nc3 Nc3 (14...Nb6 15.Qb5+=) 15.Bc3= Bc3 16.Qc3 (16.dc3 Bf3 17.Bf3 Ne5=) 16...b6+= 17.Rfc1 Bf3 18.Bf3 Ne5 19.Be2 c4 20.f4 Nd3 21.Rf1 (21.Bd3 cd3 22.Qb3 Red8=) 21...f5 22.Rab1 Red8 23.h3 g6 24.Rfd1 Rc5 25.Bf3 Qg7 26.Qc2 (26.Be2 Rd6+=) 26...g5 (26...c3!?–/+) 27.fg5 f4 28.Rf1 (28.Rb5 Qe5 29.Rc5 Qc5–/+) 28...Qg5 (28...fe3!? 29.de3 Qg5–/+) 29.ef4+= Nf4 (29...Qf4? 30.Bd5 Rdd5 31.Rf4 Nf4 32.Qe4+–) 30.Qe4? (better is 30.Kh1!?+=) 30...Nh3–/+ 31.Kh1 Nf4 32.Bg4 Ng6 (32...Rf8 33.Bh3–/+) 33.Bh3 (33.Rbc1 Kg7 (worse is 33...Qd2 34.Qe6 Kg7 35.Qf6 Kh6 36.Rfd1=) 34.Rc4 Rd2 35.Rc5 Qc5–/+) 33...Qe5 34.Qg4 Re8 35.Qd7 (35.d4 cd3 36.Qd7 Rc7 37.Qd3 Rc3–/+) 35...Re7 (35...Rc7 36.Qa4–/+) 36.Qd8–/+ Kg7 37.Rf5 Qe4 38.Rbf1 Qd3 (better is 38...Rce5–/+) 39.Qb8?? (better is 39.Qd3 cd3 40.R5f3+=) 39...Rf5–+ 40.Rf5 Qd2 41.Rf1 c3 42.Bf5 Rf7 43.Qc8 (43.Rf3–+) 43...c2! 44.g4 (44.Qc2 Qc2 Combination; 44.Bc2 Rf1 Mate attack) 44...Qd5 (44...Qh6!? 45.Kg2 Nh4 46.Kg3 Qd6 47.Rf4–+ (47.Kh4?? Qh2 48.Kg5 Qh6)) 45.Kh2 (45.Kg1 Qd4 46.Kg2 Nh4 47.Kh3 Nf5 48.gf5 Qd3 49.Kg2–+) 45...Qe5 46.Kh1 Rc7 (46...Rc7 47.Qc7 Qc7 48.Bc2 Qc2–+) 0–1. Teichmann,Erik O M C (2310) – Arjun,K (2115), 39th Open Internacional de Barbera del, 2016.

11.a3 Ba5 12.d4 Qb6 13.Qc2 (13.Ra2!?=+) 13...cd4-/+ 14.Nd4? (14.Bd4 Nd4 15.Nd4 Be2 16.Ne2 Ne3 17.fe3 Qe3 18.Kh1 Qe2 19.Qf5-+) 14...Be2-+ 15.Ne2 Ne3! 16.fe3 Qe3 17.Rf2 (17.Kh1 Qe2 18.Qc1-+) 17...Bb6 18.Ng3 (18.Qf5 Qf2 19.Qf2 Re2 20.Qb6 ab6 21.Bc3-+) 18…Qe1 (18...Qe1 19.Nf1 Re2 20.Bd4 Nd4 21.Kh1 Qf2 22.Qh7 Kh7 23.Ne3 Re1 24.Nf1 Qf1; 18...Qf2?! 19.Qf2 Bf2 20.Kf2-/+) 0-1. Williams,Barry - Cameron,Steve, NZCCA Handicap NZL, 2000.

11.d4 cd4 12.Nd4 Be2 13.Ne2 Rc8 14.Nbc3 Nb6 15.a3 Ba5 16.Qb3 Qe7 17.Rad1 Ne5 18.Nd5 Nd5 19.Qd5 Rc5 20.Qd4 f6 21.Nf4 Rd8 22.Qa4 Nc4 23.Bd4 Rcc8 24.Qb5 (better is 24.Rc1!? b5 25.Qb5+/–) 24...Bb6 (worse is 24...Qa3 25.Ne6 (25.Qb7?! Qd6+=; worse is 25.Ba7 Qb4 26.Qb4 Bb4+=) 25...Qb4 26.Qb4 Bb4 27.Nd8 Rd8 28.Ba7+/–) 25.Ba1 (25.Bb6 Nb6 26.Qa5 Rd1 27.Rd1 Qd6=) 25...Nd6 (better is 25...Rd1!? 26.Rd1 Ne3–/+) 26.Qd5 Kh8 27.Ne6 Rd7 28.a4 Re8 29.Nc5 Rdd8 30.a5 Bc5 31.Qc5+= Nc8 32.Rd8 Rd8 33.Qc4 Qd7 34.Bd4 h6 35.h3 b6 36.ab6 Nb6 37.Qa6 Qc7 38.Ra1 Rd7 39.Qb5 Rd8 40.Qf5 Kg8 41.Qg6 Rc8 42.Bb6 Qc6?? 43.Ba7 Qc7 44.Bd4 Qf7 45.Qf7 Kf7 46.Ra7 Kg6 47.Kh2 Rc6 48.Kg3 Re6 49.Kf3 h5 50.Kf4 Rc6 51.Kf3 Rd6?? 52.Kf4 Re6?? 53.Kf3 Rd6 54.Kf4 Rc6 55.Kf3 Rb6?? 56.Kg3 Rb5 57.Kh4 Rb4 0–1. nizinna (1620) – konciwoko (1665), internet, 2011.

11.h3 Bh5 12.a3 Ba5 13.Qb3 Qd6 14.Nc3 (14.Qb7?? Rab8 15.Qa6 Rb2–+) 14...Nc3 (14...Bc3 15.Bc3 Rab8 16.a4=) 15.Bc3 Bc7 (15...Rab8 16.Ba5 Na5 17.Qb5=) 16.Rfc1 (16.g3 Rab8=) 16...b6 17.Qc4 (17.Qb2 Bf3 18.Bf3 Rad8=) 17...Rad8 18.Qh4? (18.g3 Qe7=) 18...Bg6?? (18...Bf3 19.Bf3 (19.gf3?? Qh2 20.Kf1 Qh1) 19...Qh2 20.Kf1 Rd2 21.Ke1–+ (worse 21.Bd2 Nd4 22.Qd4 cd4–+)) 19.d4? (better 19.Qc4=+) 19...cd4–+ 20.Bd4 (20.Bd2 d3 21.Bd1 Rc8–+) 20...Re4 21.Qg3 (21.Rc6 Qc6 22.g4 f6–+) 21...Qe7 (21...Nd4?! 22.ed4 Qg3 23.fg3 Bg3 24.Bd3–/+) 22.Qg5 (22.Qg6 Nd4 23.Rc7 Ne2 24.Kf1 fg6 25.Re7 Ng3 26.fg3 Re7 27.Kf2–+) 22...Nd4 23.ed4 Re2 24.Qb5 Re6 (24...Re8 25.Rc3–+) 25.d5 (25.Ng5 Red6 26.Re1 Qd7 27.Qd7 R6d7–+) 25...Red6 26.Re1 Qd7 (26...Qd7 27.Qd7 R6d7–+) 0–1. Deveque,G (1960) – Mevel,A (2185), 32nd Avoine Open, 2017.

11.h3 Bh5 12.d4 Bf3 13.Bf3 c4 14.Qc2 b5 15.a4 ba4 16.Qc4 Nce7 17.Ra4 Rc8 (17...a5 18.Ra2+/–) 18.Qb3 (18.Rb4?! Rc4 19.Rc4 Nb6+=) 18...Qd7? (better is 18...a5+/–) 19.Rb4+– Nb4 20.Qb4 Rb8 21.Qd2 Qb5 22.Ba3 Qb1 (22...Qd7+–) 23.Rb1 Rb1 24.Kh2 Nf5 (24...Nc8 25.Qa5 Rb6 26.Bc5+–) 25.Bc5 (25.Qc2 Rb5 26.Bc6 Rc8+–) 25...Nh4 (25...Reb8 26.Qa5 g6 27.Qa7+–) 26.Bd5 Rd8 27.Qa2 Rf1 28.Bf7 Kh8 29.g3 Nf5 30.Kg2 Rd1 31.Qa7 Rd2 32.Kf3 h6 33.Be6 Nd6 1–0. carocan (1875) – konciwoko (1715), internet, 2011.