[Event "It (open)"] [Site "masterchessopen.com Biel (Switzerland)"] [Round "3"] [White "Shariyazdanov Andrey (RUS)"] [Black "Cherniaev Alexander (RUS)"] [Result "1-0"] [WhiteElo "2583"] [BlackElo "2265"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] { } 1.d4 { 1 } 1...Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Qc7 11.Rc1 Rd8 12.Bf4 Qd7 { ?/= } 13.dxc5 ( 13.d5 Na5 14.Bd3 e5 15.Be3 Qe7 16.Qd2 b6 17.f4 c4 18.Bc2 exf4 19.Bxf4 Nc6 20.Nd4 Nxd4 21.cxd4 Ba6 22.Rf3 Rac8 23.Bh6 Bh8 24.Qf2 Bg7 25.Bxg7 Kxg7 26.Rf1 Rc7 27.Qg3 Bb7 28.Rf6 Rcd7 29.Qf4 b5 30.d6 Qe8 31.h4 b4 32.h5 a5 { ...1-0, Jussupow Artur 2640 - Kamsky Gata 2655 , Tilburg 1992 It (play-off) "Interpolis" } ) 13...Ne5 ( 13...Qe8 14.Bd5 Bd7 15.Qd2 e6 16.Bb3 Ne5 17.Bxe5 Bxe5 18.f4 Bb5 19.Qe3 Bg7 20.Rfd1 Qc6 21.c4 Ba6 22.Rd6 Rxd6 23.cxd6 Qxd6 24.e5 Qc6 25.Ng3 b6 26.Bd1 Bf8 27.Kh1 Rd8 28.Bf3 Qc5 29.Qb3 Qa3 30.Ra1 Rd3 31.Qc2 Bh6 32.Be4 Rd4 33.Rd1 { ...0-1, Estevez Guillermo 2395 - Smejkal Jan 2595 , Leningrad 1973 Izt (cat.12) } ) 14.Bxe5 Bxe5 15.Qb3 ( 15.Qxd7 Bxd7 16.f4 Bg7 17.Bd5 Bb5 18.Rfe1 Rac8 19.Bxb7 Rxc5 20.e5 g5 21.e6 fxe6 22.fxg5 Bxe2 23.Rxe2 Bxc3 24.Kf1 Rf5+ 25.Bf3 Be5 26.h4 Rd4 27.Rce1 Bg3 28.Re4 e5 29.Rxd4 exd4 30.Rxe7 d3 31.Re3 d2 32.Ke2 Bxh4 33.Re8+ Kg7 34.Kxd2 Bxg5+ { ...1/2-1/2, Knaak Rainer 2505 - Malich Burkhard Dr 2515 , Potsdam 1974 Ch DDR } ) 15...e6 16.f4 ( 16.Rcd1 Qe7 17.Rxd8+ Qxd8 18.Rd1 Qe7 19.Qb4 Kg7 20.Nd4 Rb8 21.Bb5 Bc7 22.Nc2 a5 23.Qc4 e5 24.Ne3 Be6 25.Nd5 Rd8 26.Ba4 Qf8 27.Rb1 Rb8 28.h3 b6 29.c6 Rd8 30.Rd1 Bxd5 31.Rxd5 Rxd5 32.Qxd5 Qa3 33.Qd7 Qd6 34.Qxd6 Bxd6 35.Kf1 Kf8 { ...1/2-1/2, Knaak Rainer 2505 - Liebert Heinz 2445 , Halle 1974 It } ) 16...Bg7 ( 16...Bf6 { +0,00 CAP } ) 17.Rcd1 ( 17.f5 Qe7 18.fxe6 Bxe6 19.Bxe6 fxe6 20.Nf4 Re8 21.Nd3 Rad8 22.Qc4 Bf8 { 1/2-1/2, Yanofsky Daniel A 2460 - Friedman Shmuel 2385 , Nethanya 1973 It (a) } ) 17...Qc7 18.Rxd8+ Qxd8 19.f5 { +0,45 CAP N } ( 19.Rd1 Qc7 20.Qb5 Bf8 21.c6 ( 21.Qe8 Qxc5+ 22.Kh1 Qxc4 23.Rd8 Qc5 { 1/2-1/2, Marta Daniele 2007 - Viscardi R, Rome 1997 Ch Rome } ) 21...Qxc6 22.Qxc6 bxc6 23.Nd4 c5 24.Nb3 Be7 25.e5 Rb8 26.Kf1 h6 27.Be2 Kf8 28.Kf2 Kg7 29.g3 f6 30.exf6+ Kxf6 31.Re1 g5 32.fxg5+ hxg5 33.Kg1 Bd7 34.Rf1+ Kg6 35.Bg4 c4 36.Na5 Rc8 37.Rd1 Rc7 38.h3 Bf6 { ...0-1, Computer "Break Through II" - Computer "Amy II", Paderborn 1995 Ch World (computers) } ) 19...Qe7 { ?! } ( 19...Qc7 { !? } 20.fxe6 Qxc5+ 21.Kh1 Bxe6 { } ) 20.Kh1 exf5 21.Nd4 { ! } ( 21.exf5 { ? } 21...Bxf5 22.Nd4 Bxd4 23.cxd4 { } ) 21...Qxc5 22.Bxf7+ Kh8 23.exf5 Bxf5 { ?! } ( 23...gxf5 { !? } 24.Re1 Bd7 25.Qxb7 Rd8 { } ) 24.Nxf5 gxf5 25.Qxb7 Rd8 26.c4 Be5 27.Bd5 Qd6 { ?! } ( 27...Rb8 { !? } 28.Qf7 Qf2 29.Qg8+ Rxg8 { } ) 28.g3 f4 29.Be4 Rd7 30.Qc8+ Kg7 31.gxf4 { } {#r} 1-0