[Event "Ch St. Petersburg"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Round "5"] [White "Ivanov Sergey_ (RUS)"] [Black "Solozhenkin Evgeniy (RUS)"] [Result "0-1"] [WhiteElo "2553"] [BlackElo "2501"] [ECO "E32"] [Opening "Nimzo-Indian: Classical Variation"] { Ivanov Sergey (RUS) +0 =1 -1 } 1.d4 { 1 } 1...Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.e3 ( 6.Nf3 Qf5 7.Qd1 Nbd7 8.e3 Ne4 9.Bd2 Nxd2 10.Qxd2 e5 11.Bd3 Bxc3 12.Qxc3 exd4 13.Nxd4 Qc5 14.Qd2 Ne5 15.Be4 Qe7 16.O-O O-O 17.Rac1 c6 18.Bb1 Rd8 19.Qc2 Ng6 20.a3 Bd7 21.e4 Rac8 22.Rfe1 c5 23.Nf5 Qe5 24.g3 c4 25.Qc3 Qxc3 { ...1/2-1/2, Ivanov Sergey 2538 - Landa Konstantin 2591 , St. Petersburg 1999 Ch Russia (club) } ) 6...c5 7.Bd2 Bxc3 8.bxc3 { = } ( 8.Bxc3 cxd4 9.Bxd4 Nc6 10.Bc3 Qc5 11.Rc1 O-O 12.Nf3 Nd5 13.Bd2 Qxc2 14.Rxc2 e5 15.Rc5 Rd8 16.Bc4 Nb6 17.Bb3 Re8 18.Ng5 Re7 19.f3 Nd7 20.Rc1 Nf6 21.Bc2 h6 22.Ne4 { 1/2-1/2, Kasparov Garry 2851 - Anand Viswanathan 2771 , Frankfurt 1999 It (active) (cat.21) } ) 8...b6 ( 8...O-O 9.Nf3 Nc6 10.Rb1 b6 11.Be2 Bb7 12.c4 Qd6 13.Bc3 cxd4 14.exd4 Rfd8 15.O-O Ne7 16.Rb3 Rac8 17.Ne5 Ng6 18.Nxg6 Be4 19.Qc1 Bxg6 20.Ba1 Nd7 21.Qb2 f6 22.f4 Nb8 23.g3 Be8 24.Re3 Nc6 25.Bg4 Bd7 26.Rfe1 Re8 27.f5 e5 28.Bf3 { ...0-1, Pokorny Amos - Foltys Jan 2520 , Rakovnik 1940 Ch Czechia } ) ( 8...Nc6 9.Nf3 O-O 10.c4 Qd6 11.Bc3 b6 12.Rd1 cxd4 13.Nxd4 Nxd4 14.Rxd4 Qe7 15.Be2 e5 16.Rd1 Bb7 17.Qb2 Rfe8 18.Bb4 Qc7 19.Bd6 Qc6 20.f3 Nd7 21.O-O Re6 22.c5 bxc5 23.Bc4 Rxd6 24.Rxd6 Qxd6 25.Qxb7 Rf8 26.Bb3 Nb6 27.Rd1 Qb8 28.Bxf7+ { ...1/2-1/2, Antoshin Vladimir S 2510 - Cherepkov Alexander V 2400 , Leningrad 1957 Ch URS (1/2 final) } ) 9.Nf3 Nbd7 ( 9...Bb7 10.Be2 Nbd7 11.O-O Rc8 12.c4 Qe4 13.Bd3 Qg4 14.d5 exd5 15.cxd5 Bxd5 16.e4 Bb7 17.h3 Qh5 18.e5 Nd5 19.Rae1 Nb4 20.Bxb4 cxb4 21.Qd2 Bxf3 22.e6 Nf6 23.Qf4 O-O 24.e7 Rfe8 25.Re5 Nd5 26.Qg3 Nxe7 27.Rxh5 Bxh5 28.Re1 Nd5 29.Rxe8+ { ...1-0, Bareev Evgeny 2729 - Ivanchuk Vassily 2699 , Wijk aan Zee 2003 It (cat.19) } ) 10.Be2 { N } ( 10.c4 Qd6 11.Be2 Bb7 12.O-O ( 12.Rd1 Rc8 13.O-O Qc7 14.dxc5 Nxc5 15.Nd4 O-O 16.f3 Rfd8 17.Be1 Qe7 18.Bh4 Bc6 19.Nb5 h6 20.Rxd8+ Rxd8 21.e4 Bxb5 22.cxb5 e5 23.Rd1 Ne6 24.Rxd8+ Qxd8 25.Qc1 Qd6 26.Bf2 Nd7 27.Bc4 Nd4 28.h3 Nc5 29.Kh2 g5 { ...1/2-1/2, Bareev Evgeny 2729 - Topalov Veselin 2743 , Wijk aan Zee 2003 It (cat.19) } ) 12...O-O 13.Bc3 cxd4 14.Nxd4 Qe5 15.a4 Rac8 16.Nb5 Qb8 17.Rfd1 Nc5 18.Qb2 Ne8 19.a5 bxa5 20.Rxa5 a6 21.Be5 Qa8 22.f3 f6 23.Bd6 Rf7 24.Qa3 Nd7 25.c5 Nf8 26.Bxf8 Rxf8 27.Bc4 Bd5 28.Bxd5 exd5 29.Rxa6 Qb7 { ...1-0, Frydman Paulin - Regedzinski Theodore, Lodz 1938 It } ) 10...Bb7 11.O-O O-O { } 12.Rfd1 { N } 12...Qc6 13.c4 cxd4 14.exd4 e5 { ?! } ( 14...Rfd8 { !? } 15.a4 Qc7 16.a5 b5 { } ) 15.Bc3 { ?! } ( 15.Bb4 { !? } 15...Rfc8 16.dxe5 Nxe5 17.Rd6 { } ) 15...exd4 16.Rxd4 Rfe8 17.Rad1 Qe6 { ?! } ( 17...Nc5 { !? } 18.Ne1 Qe6 19.Bf3 Nfe4 { } ) 18.Bf1 { ?! } ( 18.Rxd7 { !? } 18...Nxd7 19.Ng5 Be4 20.Qb2 { } ) 18...Bxf3 19.gxf3 Ne5 20.Bg2 Rac8 21.f4 Nc6 22.R4d2 Ne7 23.Qd3 Qxc4 24.Qxc4 Rxc4 25.Bxf6 gxf6 26.Rd7 Ra4 27.R1d2 { ?! } ( 27.Rb7 { !? } 27...Kf8 28.Bf1 Nf5 29.Bb5 { } ) 27...Ng6 28.Bc6 Re1+ 29.Kg2 Ra3 30.f3 Nxf4+ 31.Kg3 Ne6 32.Re7 f5 33.Rdd7 { ? } ( { ? } 33.Rg2 Kg7 34.Kf2+ Kf6 35.Rxa7 { } ) 33...f4+ { ? } ( { ? } 33...Rxa2 34.Re8+ Kg7 35.Rxe6 Rxe6 { } ) 34.Kf2 { ? } ( { ? } 34.Kh4 Rxa2 35.h3 Rg2 36.Bd5 { } ) 34...Rae3 35.Bb5 Rb1 36.Bd3 { ?! } ( 36.a4 { !? } 36...Rb2+ 37.Kf1 Rxf3+ 38.Ke1 { } ) 36...Rb2+ 37.Kf1 Rxf3+ 38.Kg1 Re3 39.Bf1 Ng5 40.Bg2 Rb1+ 41.Kf2 Rb2+ { } {#R} 0-1