18.11.10

Free Chess Analyses from an International Master Released!

Bulgarian International Master Kalin Karakehajov had recently published a big part his analyses online. The analyses are very deep and beautiful. I am publishing probably the sharpest and most intriguing of them:
Two knights 4.Ng5 - For white [C57]
[Kalin Karakehayov]
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5


[5...Nxd5?! 6.d4! Bb4+! a) 6...Nxd4 7.c3! f6 (7...h6 8.Nxf7 Kxf7 9.cxd4; 7...b5 8.Bxd5 Qxd5 9.f3) 8.Ne4! Bf5 (8...Bg4 9.f3 Ne3 10.Bxe3 Nxf3+ 11.Kf2 Qxd1 12.Rxd1 Ng5 13.Nxg5 Bxd1 14.Nf7; 8...b5 9.Bxd5 Qxd5 10.f3 f5 11.Ng3; 8...Nb6 9.cxd4 Nxc4 10.Qa4+) 9.f3 Bxe4! (9...b5 10.Bxd5 Qxd5 11.cxd4; 9...Nb6 10.cxd4 Nxc4 11.Qa4+) 10.fxe4 Nb6 11.cxd4 Bb4+! 12.Ke2!! (12.Nc3 Qxd4 13.Be2 Qxe4 14.0–0 Qd4+ 15.Qxd4 exd4 16.Nb5 0–0–0 17.Bf4 Nd5І) 12...Nxc4 13.Qa4+ c6 (13...Qd7 14.Qxb4 Qg4+ 15.Kf2 Qh4+ (15...Nd6 16.Nc3) 16.Kf3 Qh5+ (16...Nd6 17.Nc3) 17.Kg3 Nd6 (17...Qg6+ 18.Kf2) 18.Nc3) 14.Qxb4 Qxd4 15.Nc3 b5! (15...Nd6 16.Qxd4 exd4 17.Rd1! c5 18.Bf4!) 16.Rd1 a5 17.Qb3 a4 (17...Qc5 18.a4 b4 19.Nb1 Rd8 (19...Ke7 20.Na3! Nxa3 21.Rxa3!) 20.Rxd8+ Kxd8 21.Nd2 Nd6 22.Qd3) 18.Qc2 Qc5 (18...Qb6 19.b3 axb3 20.Qxb3 0–0 (20...Qb7 21.a4 Qf7 22.Qb4!; 20...Qa6 21.Qb4!) 21.a4+-) 19.Rb1! 0–0 (19...Qb4 20.b3 axb3 21.Qxb3; 19...Ra5 20.b4 axb3 21.Qd3!; 19...b4 20.Nxa4 Qb5 21.Qd3!) 20.Nxa4! Rxa4 (20...bxa4 21.b3 axb3 22.axb3 Rfb8 23.Bd2+-) 21.b3 Ra6 22.bxc4 Rfa8 (22...Ra4 23.Be3 Qxc4+ (23...Rxc4 24.Qb3 Qe7 25.Rbc1) 24.Qxc4+ Rxc4 25.Rbc1) 23.a3 Ra4 24.Rb4! Rxb4 25.axb4 Qxb4 26.cxb5 cxb5 27.Be3+-; b) 6...Qd6 7.0–0 Be6 (7...Nxd4 8.c3) 8.Nxe6 fxe6 (8...Qxe6 9.dxe5) 9.dxe5 Nxe5 10.Bxd5 exd5 11.Bf4 0–0–0 12.Re1 Re8 13.Nc3±; c) 6...exd4 7.0–0! Be6 c1) 7...f6? 8.Re1+ Be7 (8...Ne5 9.Nf3 Be7 10.Nxe5 fxe5 11.Qh5+ Kf8 12.Rxe5 c6 13.Bxd5 cxd5 14.Qf3+ Bf6 15.Bg5) 9.Nc3!! dxc3 c11) 9...fxg5 10.Nxd5+-; c12) 9...Nxc3 10.Qh5+ g6 (10...Kd7? 11.Be6+ Kd6 12.Nf7#) 11.Bf7+ Kd7 12.Qh3+ Kd6 (12...f5 13.Ne6) 13.Ne6 Ne2+ (13...Ne5 14.bxc3; 13...Bxe6 14.Qxe6+ Kc5 15.bxc3) 14.Rxe2 Bxe6 (14...Ne5 15.Qa3+) 15.Rxe6+ Kc5 16.Qa3++-; c13) 9...Ncb4 10.Nxd5 Nxd5 11.Qh5+ g6 12.Qh6 fxg5 13.Qg7+-; 10.Bxd5 fxg5 11.Bxg5 cxb2 (11...Kf8 12.Qf3+ Bf6 13.Rad1! Nd4 (13...Bd7 14.Bc4!+-) 14.Rxd4 c6 15.Rf4) 12.Bxc6+ bxc6 (12...Kf7 13.Bd5+) 13.Qxd8+ Kxd8 14.Bxe7+ Ke8 15.Ba3+ Kf7 16.Re7+! Kf6 17.Rb1+-; c2) 7...h6 8.Nxf7 Kxf7 9.Qf3+ Qf6 10.Bxd5+±; c3) 7...Be7 8.Nxf7 Kxf7 9.Qf3+ Ke8 (9...Ke6 10.Qe4+) 10.Bxd5±; 8.Re1 Qd6 (8...Qd7 9.Nxf7 Kxf7 10.Qf3+ Kg8 11.Rxe6 Ncb4 (11...Rd8 12.Qe4!! h6 13.Bf4 Na5 14.Bxd5 Qxd5 15.Bxc7 Rd7 16.Bxa5 Qxa5 17.Re8+-) 12.Re4±) 9.Nxf7! Kxf7 10.Qf3+ Ke7™ 11.Bxd5 Ne5 12.Bg5+ Kd7 (12...Ke8 13.Qe4 Bxd5 14.Qxe5+±) 13.Bxe6+ Qxe6 14.Qe4 Re8 15.Qxd4+ Bd6 16.Nd2±; d) 6...Be7 7.Nxf7! Kxf7 8.Qf3+ Ke6 9.Nc3 Ncb4 (9...Nxd4 10.Bxd5+ Kd6 11.Qd3 c6 12.Be4±) 10.Qe4! c6 11.a3 Na6 (11...b5 12.Bb3 Qa5 13.Bd2+-; 11...Qa5 12.Bd2 Kd7 13.dxe5) 12.Nxd5 cxd5 13.Qxe5+ Kf7 (13...Kd7?? 14.Bb5#) 14.Bxd5+ Kf8 15.Bf4! Bf6 16.Qe4±; 7.c3 Be7 8.Nxf7! Kxf7 9.Qf3+ Ke6 10.Qe4!


10...Bf8! a) 10...Rf8 11.f4 h5 a1) 11...Qd7 12.fxe5 Rf5 13.Be2 g6 (13...h5? 14.Bxh5) 14.Bg4 Kf7 15.Bxf5 gxf5 16.Qf3±; a2) 11...b5 12.Bxb5 Bb7 13.fxe5+-; a3) 11...g6 12.0–0 Qd7 13.fxe5 Rf5 14.Qg4+-; 12.fxe5 Rf5 13.Bd3 Kf7 14.Qe2 g6 15.Bxf5 Bxf5 16.0–0±; b) 10...g5 11.Nd2! Rf8 (11...Bf6 12.Nf3 Rg8 13.dxe5 Nxe5 (13...Bxe5 14.Bxg5 Rxg5 15.Bxd5++-) 14.Nd4++-) 12.Nf3 Rxf3 (12...Rf5 13.g4 Rxf3 14.Qxf3 Na5 15.Qf5+ Kd6 16.Qxe5+ Kc6 17.Bd3 Bxg4 b1) 17...Bf6 18.Qe4 Qe7 (18...b5 19.b4!+-) 19.Qxe7 Bxe7 20.b4±; b2) 17...b5 18.Qe2 a6 19.Bxh7±; 18.c4 Nxc4 19.Bxc4 Bf3 20.Rg1±) 13.gxf3! b5 (13...Qd6 14.h4! Nxd4 15.hxg5+-) 14.Bxb5 Bb7 15.Bxc6 Bxc6 16.c4 Nb4 17.d5+ Nxd5 18.cxd5+ Qxd5 19.Qg4+ Kf7 20.Bxg5 Qxf3 21.Rg1 Rg8 22.Qxf3+ Bxf3 23.Rg3±; c) 10...Qd6? 11.f4 Na5 12.dxe5; d) 10...b5 11.Bxb5 Bb7 12.f4 a6 (12...Kf7 13.fxe5 a6 14.0–0+ Ke8 15.Ba4+-) 13.Bxc6 Bxc6 14.fxe5 Rf8 (14...Kf7 15.c4 Nb4 16.d5±) 15.Qg4+ Kf7 16.0–0+ Ke8 (16...Kg8? 17.Qe6+) 17.Rxf8+ Kxf8 18.Qf5+ Ke8 19.Qxh7±; 11.f4 Nce7 12.fxe5 c6 13.0–0 Kd7! (13...h5 14.Bb3 b5 15.Bg5 Kd7 16.Nd2±) 14.Be2! Ke8! (14...Kc7 15.c4 Nb4 (15...Nb6? 16.e6+-) 16.e6 b6 17.a3 Na6 18.Bf4+ Kb7 19.Rd1 Qe8 20.d5 Nc5 21.Qe5 Ng6 22.Qc7+ Ka6 23.Bd2!+-) 15.c4 Nb6!N a) 15...Nb4 16.a3 Na6 17.Nc3 Be6 18.Bg5±; b) 15...Nc7 16.Be3! g6 (16...Be6 17.Nc3 Qd7 18.Rad1±) 17.Nc3 Bf5 18.Qh4; 16.Be3 Be6 17.b3© In case of g6, Be3-g5-f6 with a difficult position for black...; 5...Nb4?! 6.d6! Nbd5 a) 6...Qxd6?! 7.Bxf7+ Ke7 8.Bb3±; b) 6...Nfd5?! 7.d4! Qxd6 b1) 7...Bf5? 8.Bxd5 Nxc2+ (8...Nxd5 9.Qf3 Be6 10.Nxe6 fxe6 11.Qh5++-) 9.Kf1 Qxd6 (9...Nxa1 10.Nxf7 Qd7 11.Nc3+-) 10.Nc3 Nxa1 11.Nxf7 Qa6+ 12.Kg1+-; b2) 7...h6 8.Nxf7 Kxf7 9.a3±; b3) 7...Bxd6? 8.a3+-; 8.c3 Nc6 b1) 8...h6 9.Nf3 e4 10.Ne5 Nc6 11.Nxc6 bxc6 (11...Qxc6? 12.Qb3+-) 12.0–0±; b2) 8...f6 9.Ne4 Qc6 10.Na3 Nxc3 (10...Bd7 11.cxb4 Bxb4+ 12.Nd2 Nf4 (12...Bxa3 13.Qb3! Nf4 14.d5±) 13.d5) 11.Nxc3 Qxg2 12.Rf1±; 9.0–0! Be6™ 10.dxe5 Nxe5 (10...Qd7 11.Nxe6 fxe6 12.Qe2±) 11.Nxe6 fxe6 (11...Nxc4 12.Qxd5! Qxe6 13.Qxb7+-) 12.Bxd5 exd5 13.Bf4 0–0–0 14.Qh5 g5™ 15.Bxg5! Be7 16.Bf4! Bf6 17.Nd2 Rde8 18.Rfe1! Bg7! 19.Rad1 Qg6 20.Qxg6 Nxg6 21.Be3±; 7.dxc7 Qxc7 8.d3 Bc5 a) 8...h6?! 9.Ne4 Bg4 (9...Nxe4 10.Bb5+ Bd7 11.Bxd7+ Qxd7 12.dxe4±) 10.f3 Bd7 11.0–0±; b) 8...Bg4 9.f3 Bd7 10.Ne4 Be7 (10...b5 11.Bb3 Be7 12.Nxf6+ Nxf6 13.Nc3±) 11.Nxf6+ Nxf6 12.Nc3 0–0 13.Qe2 Bc5 14.Be3±; c) 8...Bd6!? 9.Ne4 Nxe4 (9...0–0 10.Nxd6 Qxd6 11.0–0±) 10.Bb5+ Ke7! (10...Bd7 11.Bxd7+ Qxd7 12.dxe4 Nf6 13.Nc3 Bb4 14.Qxd7+ Kxd7 15.Bd2±) 11.dxe4 Qa5+ 12.Qd2 Qxb5 (12...Qxd2+ 13.Bxd2!± Nf4 (13...Nb4 14.Bxb4 Bxb4+ 15.c3 Bc5 16.Bc4±) 14.Bf1!±) 13.exd5І; 9.Ne4 Nxe4 (9...0–0 10.Nbc3±; 9...Bg4 10.Nxf6+ Nxf6 11.f3 Bd7 12.Nc3±) 10.dxe4 Nf6! a) 10...Nf4 11.Bxf4 exf4 12.Bb5+±; b) 10...Nb6 11.Bb5+ Bd7 (11...Ke7 12.0–0±) 12.Bxd7+±; c) 10...Bb4+ 11.c3 Qxc4 12.Qxd5 Qxd5 13.exd5 Bd6 14.Be3±; d) 10...Nb4 11.a3; 11.Bb5+ Ke7! (11...Bd7 12.Bxd7+ Qxd7 13.Qxd7+ Kxd7 14.f3±) 12.0–0! Nxe4 a) 12...Rd8 13.Qf3±; b) 12...a6 13.Bd3 Bg4 14.Qe1±; c) 12...Bg4 13.Qd3 a6 (13...Be6 14.Qf3 Rhd8 15.Bg5±) 14.Bc4 Rhd8 15.Bd5±; 13.Qf3! Nd6! a) 13...Nf6 14.Bg5±; b) 13...f5!? 14.Bd3 Qc6! b1) 14...Nd6 15.Qg3 Kf6 16.Nc3 Be6 17.Re1 Bd4 18.Ne2 Bc5 (18...Bb6 19.Nf4!+-) 19.b4 Bb6 20.Nf4!+-; b2) 14...Rf8 15.Bxe4 fxe4 16.Bg5+ Ke8 17.Qxe4 Bf5 18.Qe2±; b3) 14...Nxf2 15.Rxf2 e4 (15...Qb6 16.Nc3 Bxf2+ 17.Qxf2 Qxf2+ 18.Kxf2 h6 19.Be3 Be6 20.g4! g6 21.Re1! b6 22.Bf4! e4™ 23.Ba6±) 16.Bg5+ Ke8 17.Bb5+ Bd7 b31) 17...Kf8 18.Qe2 Qb6 (18...a6 19.Ba4 Qb6 20.Bb3 Bd7 21.Nc3 Bxf2+ 22.Qxf2 Qxf2+ 23.Kxf2±) 19.Nc3 Bxf2+ (19...a6 20.Nxe4!+-) 20.Qxf2 Qxf2+ 21.Kxf2±; b32) 17...Kf7 18.Qh5+ g6 19.Qe2±; 18.Qxf5 Bxf2+


19.Kf1!! Bxb5+ 20.Qxb5+±; 15.Be3 Bd6 16.Bxe4 Qxe4 17.Qxe4 fxe4 18.Nc3 Bf5 19.Rad1І; 14.Nc3 Be6 15.Bd3І; 5...Nd4 6.c3 b5 (6...Nf5 7.0–0 h6 (7...Nxd5 8.Re1І; 7...Bd6 8.d4І) 8.Nf3 e4 9.Ne5 Bd6 10.d4 0–0 (10...exd3 11.Nxd3 0–0 12.Bf4І) 11.f3І) 7.Bf1 is covered below] 6.Bf1! Nd4 [6...h6 7.Nxf7 Kxf7 8.dxc6 Bc5 a) 8...Qd6 9.Bxb5 Qd5 10.Bf1 Bc5 11.Nc3 Qxc6 12.Bc4+±; b) 8...Qd5 9.Qf3 Qc5 (9...e4 10.Qb3; 9...Qxf3 10.gxf3 a6 11.Nc3±) 10.Nc3 Bg4 (10...b4 11.Ne4 Qd4 (11...Qxc2 12.Bd3; 11...Qd5 12.Bd3) 12.Nxf6 gxf6 13.Be2+-) 11.Qe3 a6 (11...Qxc6 12.f3 Bc5 13.Bxb5 Qd6 14.Ne4 Nxe4 15.Qxe4 Be6 16.Bc4+-) 12.Qxc5 Bxc5 13.Be2±; 9.Be2 Ne4 a) 9...e4 10.0–0±; b) 9...Qd5 10.0–0 Qxc6 11.d3 Rd8 (11...Bb7 12.Bf3 e4 13.dxe4 Rad8 14.Qe2±) 12.Nc3±; 10.0–0 Bxf2+ a) 10...Qf6 11.Qe1; b) 10...Rf8 11.Nc3 Nxf2 (11...Nxc3 12.dxc3; 11...Bxf2+ 12.Kh1+-) 12.Ne4 Kg8 13.Nxf2 Qf6 14.d4 Bxd4 15.Kh1 Bxf2 16.Be3 Rd8 (16...Qh4 17.Qd5+ Kh8 (17...Kh7 18.Bd3+) 18.Qc5) 17.Qb1 Bxe3 18.Rxf6 gxf6 19.Qe1+-; c) 10...Nxf2 11.d4 Bxd4 12.Rxf2+ Bxf2+ 13.Kxf2+-; d) 10...Qh4 11.Qe1; 11.Rxf2+ Nxf2 12.Qf1! Rf8 13.Qxf2+ Kg8 14.Qe3 Qh4 15.Bf3 Bg4 (15...Qf6 16.Qe2+-) 16.Bd5+ Kh8 17.d3 Be2 (17...Rad8 18.Be4+-) 18.Qxe2 Qd4+ 19.Kh1 Qxd5 (19...Rf2 20.Qe1 Raf8 21.Bf3+-) 20.Nc3 Qxc6 21.Be3+-; 6...Nxd5?! 7.Bxb5 Bb7 8.d4!±; 6...Bg4?! 7.f3 Nxd5 8.Nxf7 Kxf7 9.fxg4 Nf4 10.Nc3±; 6...Qxd5?! 7.Nc3±] 7.c3 Nxd5 [7...Nf5?! 8.Bxb5+ Bd7 9.Qe2] 8.cxd4 Qxg5 9.Bxb5+ Kd8 [9...Bd7 10.Bxd7+ Kxd7 11.0–0 Nf4 (11...Bd6 12.d3; 11...exd4 12.d3 Qf6 13.Qg4+ Kc6 14.Nd2±) 12.g3 Qg6!? a) 12...Nd3 13.Qf3; b) 12...Nh3+ 13.Kg2 Nf4+ 14.Kh1 Nd3? 15.Qf3+-; c) 12...exd4 13.d3 Bd6 (13...Nh3+ 14.Kg2 Qf5 15.Qa4+ Kc8 (15...Ke7 16.Qc6) 16.Qe8+ Kb7 17.Qe4+ Qxe4+ 18.dxe4+-) 14.Bxf4 Bxf4 15.Qa4+±; 13.d3!? Nxd3 14.dxe5 Bc5 15.Nc3 Kc8 (15...Rhd8 16.Bg5!) 16.Qe2 Re8 17.Be3 Bxe3 (17...Rxe5? 18.Rad1 Bxe3 19.fxe3 Nc5 20.Qc4+-) 18.fxe3!± The knight can't hold d3 and white is much better] 10.0–0 Bb7 [10...Nf4 11.Bc6! Rb8 a) 11...e4 12.Bxe4 Bg4 13.Bf3 h5 (13...Bxf3 14.Qxf3 Rb8 15.d3 Bd6 16.Nc3±) 14.d3 Bd6 15.Nc3±; b) 11...Bg4 12.Bf3 Bxf3 b1) 12...f5? 13.dxe5 Nxg2 14.d4 Nf4 15.Bxg4 fxg4 16.Qb3 Rc8 17.Qe3 Nh3+ 18.Qxh3 Qxc1 19.Rxc1 gxh3 20.Nc3+-; b2) 12...h5 13.dxe5 Qxe5 14.d4 Qf5 15.Nd2 Bd6 16.Re1 (16.h3? Nxh3+ 17.gxh3 Qf4ч) 16...Nd3 17.Re2 Nf4 18.Re4±; 13.Qxf3 Rb8 14.dxe5 Qxe5 15.Nc3 Bd6 16.g3 Ne6 17.d3±; 12.dxe5 Nd3!? (12...Bg4 13.Bf3 Bxf3 14.Qxf3 Qxe5 15.Nc3 Bd6 16.g3!±; 12...Bd7 13.Be4 Qxe5 14.Nc3 Bd6 15.g3!±; 12...Rb6 13.Be4 Qxe5 14.Nc3 Bd6 15.g3) 13.Be4! Ba6


(13...Nxc1 14.d4 Rxb2 15.Qxc1 Qxc1 16.Rxc1±; 13...Bh3? 14.Qc2 Nf4 15.d4; 13...Bg4 14.Qc2 Nxc1 15.Rxc1 Qxe5 16.d4) 14.Re1!! Nxe1 a) 14...Qf4 15.Bxd3 Bxd3 16.Re3 Qf5 17.Nc3 Bc5 18.Rf3 Qg6 (18...Qd7 19.Qa4+-) 19.Rg3 Qf5 20.Qf3+-; b) 14...Bc5? 15.Bxd3 Bxd3 16.Qf3+-; 15.d4 Qh4 16.Qxe1± Rb4?! 17.Nc3 Rxd4? 18.Be3+-; 10...exd4!? 11.Bc6 Rb8 12.d3 Nf4 (12...Qf5!? 13.Re1 Bd6 14.Nd2 Rb6 15.Bxd5 Qxd5 16.Nc4І) 13.Na3! Bxa3 a) 13...Rb6 14.Qf3 Qf6 (14...Nh3+ 15.Qxh3 Qc5 16.Qh4+ Be7 17.Qe4 Rxc6 18.b4 f5 19.Qf3 Qb6 20.Nc4 Rxc4 21.dxc4±; 14...Qg6 15.Qxf4 Rxc6 16.Nc4; 14...Bd6 15.Nc4!) 15.Bxf4 Qxc6 (15...Rxc6 16.Qd5++-) 16.Qg3±; b) 13...Nh3+ 14.Kh1 Qf6 15.Qf3 Rb6 16.Qd5+ Qd6 17.Ba8; c) 13...Bg4 14.Qc2 Bd6 15.Re1; 14.bxa3 Bg4 15.Qc2‚; 10...Rb8 11.Bc6 exd4 (11...Nb4 12.d3 Qg4 13.Bf3 Qxd4 14.Nc3±; 11...Nf4 12.dxe5 is already covered) 12.d3 is already covered; 10...Bg4 11.Be2 Bxe2 12.Qxe2 exd4 13.d3 Qf5 14.Nd2±] 11.Qf3 Rb8 [11...exd4!? 12.d3 Qe5 a) 12...Qf6 13.Qg4! Bc8 14.Qh5 Qf5 (14...Qe6 15.Qh4+ Be7 16.Qxd4 Bf6 17.Qc5; 14...Nf4 15.Bxf4 Qxf4 16.Qd5+ Bd6 17.g3 Qf5 18.Qxa8 Qxb5 19.Na3±; 14...Ne7 15.Bc4!) 15.Qh4+ Be7 16.Qxd4 Bf6 17.Qe4 Rb8 18.Na3; b) 12...Nf4 13.Bxf4 Qxb5 14.Qg3 Qd7 b1) 14...Qb6 15.Nd2; b2) 14...c5 15.Na3 Qc6 16.Rfe1! Qg6 (16...h5 17.Bd2 Qc7 18.Qg5+ f6 19.Qg6) 17.Bg5+ f6 (17...Kd7 18.Nb5 Rc8 19.Nxa7 Ra8 20.Nb5 Rc8 21.a4±) 18.Nb5 Rc8 19.Nd6 Rc7 (19...fxg5 20.Nxb7+ Kd7 21.b4+-) 20.Nxb7+ Rxb7 21.Qf3 Qf7 22.Bd2+-; b3) 14...Rc8 15.Nd2 f6 16.Rac1 Qd7 17.Ne4±; 15.Nd2 f6 16.Rac1 Rc8 17.Ne4±; c) 12...Qg6 13.Bc4 Qc6 (13...c6 14.Nd2) 14.Nd2; 13.Nd2 Bd6 (13...a6 14.Nc4 Qf6 (14...Qe6 15.Ba4 Rb8 (15...Be7 16.Na5±) 16.Bg5+ f6 17.Rfe1 Ne3 18.Qg3 fxg5 (18...Bb4 19.Bf4) 19.fxe3±) 15.Qg4! Qe6 (15...Bc8 16.Qh5 Qe6™ 17.Ne5 g6 (17...Nf6 18.Nxf7+ Ke7 19.Qf3) 18.Qh4+ Be7 19.Nc6+ Kd7 20.Nxe7+ axb5 21.Qxd4 Bb7 22.Bg5!±) 16.Bg5+ Be7 17.Bxe7+ Nxe7 (17...Qxe7? 18.Na5+-) 18.Qxd4+ Qd5 19.Qxd5+ Nxd5 20.Ba4 Nf4 21.Ne5±) 14.g3 Qf6 a) 14...Be7 15.Nb3! Rb8 16.Na5!; b) 14...a6 15.Nc4 Qf6 (15...Qe6 16.Na5 axb5 17.Nxb7+ Kd7 18.Nxd6±) 16.Qg4! Bc8 17.Qh5 Ne7 (17...Qe6 18.Bc6 Nf6 19.Bg5 Be7 20.Bxf6 Qxc6 21.Bxg7+-) 18.Bg5 Qg6 19.Bxe7+ Kxe7 (19...Bxe7? 20.Qd5+) 20.Qh4+ Qf6 21.Qe4+ Be6 22.Nxd6 axb5 (22...Kxd6 23.Qc6+ Ke7 24.Qc5+! Kd8 25.Rac1+-) 23.Nxb5+-; c) 14...Nb6 15.Qxb7 Qxb5 16.Qf3±; d) 14...Rb8 15.Nc4 Qf6 d1) 15...Nb4 16.Nxe5 Bxf3 17.Nxf7+ Ke7 18.Bc4±; d2) 15...Qe6 16.Na5! Be7 (16...Ba8 17.Bc6±) 17.Nxb7+ Rxb7 18.Bc4 c6 19.Bd2±; d3) 15...Nc3 16.Nxe5 Bxf3 17.Nxf7+ Ke7 18.bxc3 Kxf7 19.Bc4+ Kf6 20.cxd4±; 16.Qxf6+ Nxf6 17.Nxd6 cxd6 18.Bf4І Bd5 19.a4 Nd7 20.Bxd6 Rb6 21.Bf4 a6 22.Bxd7 Kxd7 23.Be5; 15.Qg4 Nb6! a) 15...Bc8 16.Qe4 Bb7 (16...Nb6 17.Nf3) 17.Nf3 h6 18.Nxd4 Bc5 19.Qf5 Qxf5 20.Nxf5±; b) 15...c6 16.Ne4 h5™ 17.Qd1 Qg6 b1) 17...Qe6 18.Bc4 Be7 19.Re1 Qf5 (19...h4 20.Nc5 Qc8 21.Nxb7+ Qxb7 22.g4 Qd7 23.Qf3±) 20.Qb3 Bc8 (20...Rb8 21.Qa4) 21.Qa4 Nb6?! 22.Qxc6 Bd7 23.Nd6+-; b2) 17...Qe7 18.Bc4; b3) 17...Qe5 18.Bc4 Be7 19.Re1±; 18.Bg5+ Be7 19.Bxe7+ Nxe7 20.Bc4±; c) 15...Qe6 16.Qxg7 Be5 17.Qg5+ f6 (17...Bf6 18.Qh6±) 18.Qh4! Nf4 19.Ne4 Ne2+ 20.Kg2 Nxc1 21.Raxc1 Rb8 22.Bc4 Qf5 (22...Qe7 23.Kg1) 23.b3±; 16.Ne4 h5! a) 16...Qe5 17.Bg5+ Be7 (17...f6 18.Bf4 Qxb5 19.Qxg7 Re8 20.Nxd6 cxd6 21.Qxf6++-) 18.Bxe7+ Kxe7 (18...Qxe7? 19.Qxg7) 19.Rfc1!! (19.Rac1 Bxe4 20.Qxe4 Qxe4 21.dxe4 a6 22.Rxc7+ Kd8 23.Rb7 axb5 24.Rxb6 Re8І) 19...Bxe4 (19...Kf8 20.Bc6±; 19...h5 20.Qh4+ f6 21.Bc6 Bxc6 22.Rxc6 g5 23.Qh3±) 20.Qxe4 Qxe4 21.dxe4±; b) 16...Qg6 17.Qxg6 hxg6 18.Bg5+ Be7 (18...Kc8 19.Nxd6+ cxd6 20.Rac1+ Kb8 21.Bf4+-; 18...f6 19.Nxf6±) 19.Bxe7+ Kxe7 20.Rac1 Rhc8 b1) 20...Bxe4 21.Rfe1!±; b2) 20...Rac8 21.Rfe1 Kd8 (21...Kf8? 22.Nd6+-) 22.Ng5 Bd5 23.Bc6 Rf8 24.a3 Bxc6 25.Rxc6 Kd7 26.Rec1+-; b3) 20...Kd8 21.Ng5 Rf8 22.Bc4±; 21.Rfe1 Kf8 22.Bc6 Bxc6 23.Rxc6±; 17.Qg5 Qxg5 18.Bxg5+ f6! (18...Be7 19.Bxe7+ Kxe7 20.Rac1 Kd8 (20...Rhc8 21.Rfe1 Kf8 22.b3±) 21.Ng5 Rf8 (21...Bd5 22.Bc6+-) 22.Bc4±) 19.Nxf6 c6 (19...Be7 20.Ne4) 20.Nd5+ Kd7 21.Nxb6+ axb6 22.Bc4І; 11...Bd6 12.d3; 11...a6 12.Bc4 e4 (12...exd4 13.Re1!) 13.Qxe4 Bd6 14.Nc3 Re8 15.Qf3 Qf4 (15...Qh4 16.g3) 16.Qh3 Qxd4 (16...Nf6 17.d3 Qxd4 18.Bxf7 Re7 19.Bc4 h6 20.Nd1! Qg4 21.Qxg4 Nxg4 22.Ne3±) 17.Bxd5 Bxd5 18.Nxd5 Qxd5 19.Qxh7 Kd7 20.Qh3+ f5 21.Qc3±; 11...e4 12.Qxe4 Bd6 13.Re1 c6 (13...Qe7 14.d3) 14.Bf1 Kd7 (14...f5 15.Qc2±; 14...Bc8 15.Qc2±) 15.Qf3±] 12.dxe5 Nb4 [12...Nf4 13.Qg3 Qxe5 (13...Qxg3 14.hxg3 Ne6 15.Nc3±) 14.d4 Nh3+ (14...Qxb5 15.Bxf4+-) 15.Qxh3 Qxb5 16.Nc3±; 12...Qxe5 13.d4±; 12...Ne3 13.Qh3 Qxg2+ 14.Qxg2 Nxg2 (14...Bxg2? 15.fxe3 Bxf1 16.Bxf1+-) 15.d4 Nh4 (15...Be7 16.f4 Nh4 17.Be2±; 15...f6 16.f4 Nh4 17.Be2± c5? 18.d5!) 16.Bg5+ Be7 17.Bxh4 Bxh4 18.Nc3±] 13.d4! Qg6 [13...Qxg2+ 14.Kxg2 Bxf3+ 15.Kxf3 Rxb5 16.Nc3+-; 13...Qxe5 14.dxe5 Bxf3 15.Nc3+-; 13...Bxf3? 14.Bxg5++-] 14.d5! Bxd5 15.Rd1 Rxb5 16.Nc3 Qc6 [16...Ke8 17.Nxd5 Qc6 18.e6; 16...Kc8!? 17.Nxd5 Qc6 18.Qf5+ Qe6 19.Qxe6+ fxe6 20.Nxb4 Bxb4 21.Be3±] 17.Qf5!! Be7 [17...Ke8 18.Qc8+ Ke7 19.Nxb5 Qxb5 20.Bg5+ f6 21.exf6+ Kf7 (21...gxf6 22.Qxc7++-) 22.fxg7+-; 17...Ra5 18.Bg5+ Be7 19.a3 h6 (19...f6 20.Rac1+-) 20.Rab1!


20...hxg5 (20...Na2 21.Nxd5 Rxd5 22.Qxf7+-) 21.axb4 Bxb4 22.Nxd5 Rxd5 23.Qe4+-; 17...h6 18.a3 Ra5 19.Be3 g6 (19...Qd7 20.Qb1! c6 21.axb4 Rxa1 22.Qxa1 Bxb4 23.Nxd5 cxd5 24.Qa2 Ke7 25.Rxd5+-; 19...Qe6 20.Qb1!+-; 19...Be7 20.axb4 Rxa1 21.Rxa1 Be6 22.Qd3++-) 20.Qf4 g5 21.Qxf7 Kc8 22.Qf5+ Qe6 (22...Be6 23.Qf6+-) 23.Qxe6+ Bxe6 24.axb4 Bxb4 25.Bxa7 Rxa1 26.Rxa1 Rd8 27.Be3+-; 17...g6 18.Bg5+ Be7 19.Bxe7+ Kxe7 20.Qf6+ Qxf6 21.exf6+ Kxf6 22.Nxb5+-] 18.Nxb5 Qxb5 19.a3 g6! [19...Na6 20.Qxf7 c6 21.Qxg7 Re8 (21...Rf8 22.Bg5) 22.b4!+-] 20.Qf4 Na6 [20...Nc2? 21.Qe4+-] 21.Qd4 c6 22.Qxa7±

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