[Event "It (open) \"] [Site "masterchessopen.com Moscow (Russia)"] [Round "8"] [White "Kaidanov Gregory S (USA)"] [Black "Lerner Konstantin Z (UKR)"] [Result "1-0"] [WhiteElo "2611"] [BlackElo "2504"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] { } 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb2 e5 12.h3 { ?/= } ( 12.Rc1 Bg4 13.h3 Bh5 14.g4 Bg6 15.Qe2 Rac8 16.dxe5 Nxe5 17.Nxe5 Qxe5 18.f4 Qc7 19.f5 Qg3+ 20.Qg2 Qxe3+ 21.Kh1 Ne4 22.Rf3 Qg5 23.fxg6 hxg6 24.Rxf7 { 1-0, Romanov Oleg 2404 - Rau Juergen 2204 , Schwabisch Gmund 2002 It (open) "Staufer" } ) 12...Bf5 ( 12...e4 13.Nd2 Bf5 14.Ba2 Rfd8 15.Qe2 Rac8 16.f3 exf3 17.Rxf3 Bg6 18.Qf2 Qb6 19.Nc4 Qc7 20.Nd2 Qb6 21.Nc4 Qc7 { 1/2-1/2, Dydyshko Viacheslav 2538 - Kveinys Aloyzas 2556 , Lubniewice 2002 Ch Poland (team) } ) ( 12...Bd7 13.Ba2 e4 14.Nd2 Rad8 15.d5 Ne5 16.c4 Rfe8 17.Qc2 b5 18.f4 exf3 19.Nxf3 Ng6 20.cxb5 Bxb5 21.Bxf6 gxf6 22.Rfe1 Bd7 23.Rac1 Rc8 24.Qf2 Rb8 25.Rc3 Rec8 26.Rec1 Kg7 27.R1c2 Ba4 28.Rc1 Bd7 29.Bb3 Qa5 30.Nd2 Qxa3 31.d6 Qa6 32.Ne4 { ...1/2-1/2, Lautier Joel 2653 - Gurevich Vladimir 2482 , Germany 2001 Bundesliga (2nd) West 2000/01 } ) 13.Qe2 ( 13.Bb5 e4 14.Nd2 Rfd8 15.Bc4 { +0.36 CAP } ) 13...Rad8 { +0.42 CAP } ( 13...a6 14.a4 Rfe8 15.Rfd1 e4 16.Nh4 { -0.27 CAP } ) 14.Bb5 { N } ( 14.Rfd1 h6 15.Ba2 Rfe8 16.Nxe5 Nxe5 17.dxe5 Qxe5 18.c4 Qe6 19.Rxd8 Rxd8 20.Rd1 Rxd1+ 21.Qxd1 Qb6 22.Be5 Qa5 23.Qc1 Nd7 24.Bb2 f6 25.Qd1 Qb6 26.Qd2 Kh7 27.g4 Bg6 28.Bc3 Ne5 29.Bxe5 fxe5 30.f4 Be4 31.fxe5 h5 32.Qf2 Qd8 33.Kh2 hxg4 { ...1/2-1/2, Radjabov Teimour 2624 - Ponomariov Ruslan 2734 , Bled 2002 Olympiad } ) ( 14.Ba2 Bg6 15.Rad1 Rfe8 16.Nxe5 Nxe5 17.dxe5 Rxd1 18.Rxd1 Qxe5 19.c4 Qe7 20.Bb3 Rd8 21.f3 Rxd1+ 22.Bxd1 Nd7 23.Qd2 f6 24.Kf2 Bf7 25.Qa5 Nb6 26.Qxa7 Nxc4 27.Bc1 Ne5 28.Bc2 c4 29.Qb8+ Be8 30.Ba4 Nd3+ 31.Kf1 Kf8 32.Bd2 Qe5 33.Qxe5 fxe5 { ...1/2-1/2, Van Wely Loek 2645 - Tiviakov Sergei 2628 , Leeuwarden 2002 Ch Netherlands } ) ( 14.a4 e4 15.Nd2 b6 16.f4 Na5 17.Ba2 Rfe8 18.Nc4 Nxc4 19.Bxc4 Be6 20.Bb5 Bd7 21.Rfd1 Bxb5 22.axb5 cxd4 23.cxd4 Nd5 24.Rdc1 Qd7 25.Bc3 Rc8 26.Be1 Rxc1 27.Rxc1 Rc8 28.Rxc8+ Qxc8 29.Kf2 f5 30.Qa2 Qd7 31.Qc4 Kf7 32.g4 g6 33.Bb4 Ke6 { ...0-1, Sarthou Gaetan 2361 - Touzane Olivier 2368 , Internet 2001 Ch World (qual) } ) 14...e4 15.Nd2 Na5 16.c4 cxd4 17.exd4 Nd7 18.Qe3 a6 19.Bxd7 Rxd7 20.Rac1 Qb6 21.Bc3 Nc6 22.d5 { ?! } ( 22.Rb1 { !? } 22...Qa7 23.Nb3 Bg6 24.Nc5 { } ) 22...Qxe3 23.fxe3 Ne7 24.Nb3 Bg6 25.Bb4 Rb8 { ? } ( { ? } 25...b6 26.Bxe7 Rxe7 27.c5 bxc5 { } ) 26.Nc5 Rdd8 27.Nxa6 Nxd5 28.Nxb8 Nxe3 29.Rfe1 Nf5 30.Rxe4 Rxb8 { ?! } ( 30...h5 { !? } 31.g4 hxg4 32.Rce1 f6 { } ) 31.g4 Nh6 32.Re7 f5 33.Rd1 fxg4 34.hxg4 Be8 35.Rde1 Bc6 36.Rc7 Rd8 37.Ree7 Rd1+ 38.Kf2 Nxg4+ 39.Ke2 { } {#r} 1-0