[Event "Memorial M.Chigorin (open)"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Date "2004.10.23"] [Round "8"] [White "Bezgodov Alexei (RUS)"] [Black "Klimov Sergey (RUS)"] [Result "1-0"] [WhiteElo "2546"] [BlackElo "2509"] [ECO "B50"] [Opening "Sicilian: 2.Nf3 d6 3.Nc3"] { } 1.e4 { 1 } 1...c5 2.Nf3 d6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 Nf6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 h6 10.Bh4 g5 ( 10...Rc8 11.Nf3 Be7 12.e5 dxe5 13.fxe5 Nd5 { } ) 11.fxg5 Ng4 12.Nf3 { = } 12...Be7 { } ( 12...hxg5 13.Bg3 Be7 14.Be2 Nge5 15.Kb1 b5 16.Rdf1 Rc8 17.Nxe5 Nxe5 18.Rf2 f6 19.Rhf1 Bc6 20.a3 Bb7 21.h3 Nc4 22.Bxc4 Rxc4 23.Qd3 e5 24.Re2 Qc8 25.Rf5 Rxc3 26.bxc3 Qe6 27.Kb2 Kd7 28.Rf1 Qc4 29.Qxc4 bxc4 30.Ka2 Bc6 31.Rb1 Bd8 32.Rb8 { ...1/2-1/2, Short Nigel D 2655 - Kasparov Garry 2805 , London 1993 Ch World (match) (PCA) } ) 13.Bc4 { N } ( 13.Bg3 hxg5 14.e5 ( 14.Kb1 Rc8 15.h3 Nge5 16.Be2 Nxf3 17.gxf3 e5 18.Nd5 Nd4 19.c3 Nxe2 20.Qxe2 Rxh3 21.Rxh3 Bxh3 22.Qh2 Be6 23.Bxe5 dxe5 24.Qh8+ Kd7 25.Nxe7+ Kxe7 26.Rxd8 Rxd8 27.Qxe5 f6 28.Qc5+ Kf7 29.Kc2 Rd7 30.b3 Kg7 31.Qe3 Kf7 32.f4 gxf4 { ...1-0, Voronov Yuri 2243 - Salimski A, Kiev 1999 It (open) } ) 14...d5 15.Bd3 Nb4 16.Kb1 Qb6 17.Rhe1 Rc8 18.Bf1 Rg8 19.h3 Nh6 20.Bf2 Qa5 21.Nd4 Rxc3 22.Qxc3 Qxa2+ 23.Kc1 Nc6 24.Nxc6 Bxc6 25.g4 Kd7 26.Bc5 Bd8 27.Ba3 Kc7 28.Kd2 Kb8 29.Ra1 d4 30.Qxc6 Ba5+ 31.b4 { 1-0, Grefe John A 2398 - Soltis Andrew E 2407 , Cleveland 1975 } ) ( 13.g6 Bxh4 ( 13...fxg6 14.Bxe7 Qxe7 15.h3 Nge5 16.Qxd6 Qxd6 17.Rxd6 Nxf3 18.gxf3 Ke7 19.Rd2 Raf8 20.Rf2 Ne5 21.Be2 Rf4 22.Kd2 g5 23.Ke3 Rhf8 24.Rg1 Be8 25.Nb1 Bb5 26.Nd2 Rh4 27.Rg3 Rc8 28.Bxb5 axb5 29.f4 Nf7 30.c3 b4 31.cxb4 Rc2 32.Nb3 gxf4+ { ...1-0, Lobzhanidze Davit 2330 - Mchedlishvili Mikheil 2370 , Tbilisi 1996 Tournament } ) 14.gxf7+ Kf8 15.Qxd6+ Be7 16.Qxd7 Nf2 17.Qxb7 Nxd1 18.Qxc6 Nxc3 19.Qxc3 Rh7 20.Bc4 Rc8 21.Nd4 Bc5 22.Kb1 { 1-0, Marjanovic Slavoljub 2490 - Popovic Petar 2490 , Yugoslavia 1980 } ) ( 13.g3 hxg5 ( 13...Nce5 14.Nxe5 dxe5 15.gxh6 Bxh4 16.gxh4 Qe7 17.h3 Nxh6 18.Qg5 f6 19.Qg6+ Nf7 20.Bc4 O-O-O 21.Rdf1 Nd6 22.Bb3 Rdf8 23.Qg1 Kb8 24.Qc5 Rc8 25.Qb4 Bc6 26.Rd1 Rcd8 27.Rd3 Rd7 28.Rhd1 Rhd8 29.Ba4 b5 30.Bb3 Kc7 31.Qa5+ Kb7 32.Qb4 Kc7 { ...1/2-1/2, Ferreira Jorge Antonio - Neves Andrey, S.Sebastiro do Paraiso 2001 Cup Ouro Verde } ) 14.Bxg5 Nce5 15.Bxe7 Qxe7 16.Nxe5 dxe5 17.h3 Nf6 18.Qf2 Bc6 19.Bg2 Nd7 20.Kb1 Qc5 21.Qxc5 Nxc5 22.b4 Rg8 23.g4 Na4 24.Nxa4 Bxa4 25.Bf1 Bc6 26.Bd3 f5 27.gxf5 exf5 28.Rhg1 Rxg1 29.Rxg1 Kf7 30.exf5 e4 31.Bc4+ Kf6 32.Rg8 Rxg8 { ...1/2-1/2, Van Der Sterren Paul 2535 - Speelman Jonathan S 2578 , Groningen 1975 Ch Europe (juniors) (under 20) } ) ( 13.Rg1 Nge5 14.Be2 b5 15.Rdf1 Rg8 16.Kb1 hxg5 17.Bg3 Qb6 18.Nxe5 dxe5 19.Bh5 Rg7 20.Rxf7 Rxf7 21.Rf1 O-O-O 22.Bxf7 Rf8 23.Rd1 Qc7 24.Bh5 Na5 25.Bxe5 Nc4 26.Bxc7 Nxd2+ 27.Rxd2 Kxc7 28.Bf3 Bc6 29.h3 Bc5 30.Rd1 Rf4 31.Ne2 Rh4 32.Nd4 Bxd4 { ...1/2-1/2, Al Sayed Mohamad N 2449 - Chahrani Ibrahim 2246 , Cairo 2003 Ch Arabic Countries } ) ( 13.Kb1 Nge5 14.Be2 b5 15.Rhf1 Nxf3 16.gxf3 hxg5 17.Bg3 Ne5 18.a3 Qc7 19.f4 gxf4 20.Bxf4 Rh7 21.Bg5 Bc6 22.h4 O-O-O 23.Qe3 Bxg5 24.Qxg5 Qb7 25.Rxd6 Rxd6 26.Qg8+ Rd8 27.Qxh7 b4 28.axb4 Qxb4 29.Bxa6+ Kb8 30.Qg7 Qa5 31.Bb5 { 1-0, Chudinovskikh Alexander M 2290 - Gradwohl Johann 2094 , Graz 1996 It (open) } ) ( 13.Be2 Nge5 14.Bg3 hxg5 15.Kb1 f6 16.h4 gxh4 17.Rxh4 Rxh4 18.Nxh4 Qa5 19.Bh5+ Kd8 20.Be2 b5 21.Bd3 Kc7 22.Be1 Kb7 23.Nf3 Rg8 24.Bf1 Ng4 25.Qf4 Qb6 26.Qd2 Qe3 27.Bd3 Qxd2 28.Rxd2 Nce5 29.Nxe5 fxe5 30.Re2 Bc6 31.a3 Bd8 32.Nd1 Bb6 { ...0-1, Unzicker Ferdinand 2290 - Arbakov Valentin 2475 , Germany 1997 Bayern Oberliga } ) 13...Nge5 14.Bb3 hxg5 15.Bf2 b5 16.Be3 f6 17.h4 gxh4 18.Nxh4 Na5 19.Nf3 Rxh1 20.Rxh1 Nf7 21.Rh7 Nxb3+ 22.axb3 Qa5 { ? } ( 22...b4 { !? } 23.Nb1 Qa5 24.Ng5 Nxg5 { } ) 23.Kb1 { ? } ( 23.Qf2 { !? } 23...b4 24.Qg3 O-O-O 25.Na4 { } ) 23...b4 24.Na4 Bxa4 25.bxa4 Qxa4 26.Nd4 Rc8 27.b3 Qa5 { ? } ( { ? } 27...Qd7 28.Qe2 Bf8 29.Qxa6 e5 { } ) 28.Nxe6 { ? } ( 28.Qe2 { !? } 28...Rc3 29.Nxe6 Qb5 30.Qd1 { } ) 28...Qe5 29.Qd5 Qc3 { ?? } ( { ? } 29...Qxd5 30.exd5 Ng5 31.Bxg5 fxg5 { } ) 30.Nc5 { } {#r} 1-0