[Event "Memorial Stepanov (open)"] [Site "masterchessopen.com Krasnodar (Russia)"] [Round "1"] [White "Doroshenko Diana (RUS)"] [Black "Chashchev Sergey (RUS)"] [Result "0-1"] [WhiteElo "2216"] [BlackElo "2270"] [ECO "B28"] [Opening "Sicilian: O'Kelly, 3.Nc3"] { } 1.e4 c5 2.Nf3 a6 3.Nc3 { ? } ( 3.c4 Nc6 4.d4 cxd4 5.Nxd4 Nf6 6.Nc3 Qc7 7.Be2 e6 8.O-O Bd6 9.Kh1 Be5 10.Be3 Bf4 11.Bxf4 Qxf4 12.Nxc6 bxc6 { ...1-0, Dominguez Lenier(2613) - Abreu Aryam(2454), Holguin 2002 Ch Cuba } ) 3...Nc6 4.d4 cxd4 5.Nxd4 e6 6.Bf4 { = +0,36 CAP } 6...Bb4 { N } ( 6...d6 7.Bg3 ( 7.Nxc6 bxc6 8.Bc4 Nf6 9.Qe2 e5 10.Bg3 Be7 11.Rd1 Qc7 12.O-O O-O 13.Bb3 a5 14.Rfe1 Bg4 15.f3 Bd7 16.a4 { ...0-1, Smits Maykel(2182) - Romanishin Oleg M(2575), Vlissingen 2001 It (open) } ) 7...Be7 8.Be2 e5 9.Nb3 Nf6 10.O-O O-O 11.Qd3 Be6 12.a3 d5 13.exd5 Nxd5 14.Rad1 Nxc3 15.Qxc3 Qb6 16.Bxe5 { ...0-1, Watson William N(2530) - Portisch Lajos(2615), New York 1987 It (open) } ) ( 6...Qf6 7.Nde2 Bb4 8.Qd2 Nge7 9.Bg5 Qg6 10.a3 Ba5 11.Ng3 h6 12.Bf4 d5 13.b4 e5 14.bxa5 exf4 15.Qxf4 dxe4 16.Ncxe4 { ...1-0, Moldovan Daniel(2459) - Conquest Stuart(2542), Andorra 2002 It (open) } ) ( 6...Nxd4 7.Qxd4 Ne7 8.h4 Nc6 9.Qd2 Be7 10.O-O-O Qa5 11.Kb1 b5 12.h5 h6 13.Rh3 b4 14.Ne2 e5 15.Be3 d6 16.Rg3 { ...1/2-1/2, Damaso Rui(2405) - Costa Fernando V(2223), Lisbon 1995 It } ) 7.a3 { } ( 7.Nxc6 { !? } 7...Bxc3+ 8.bxc3 dxc6 9.Qxd8+ { } ) 7...Bxc3+ 8.bxc3 Qa5 9.Qd2 Nf6 10.Nb3 Qa4 11.e5 { } ( 11.Nc5 { !? } 11...Qa5 12.Bd6 b6 13.e5 { } ) 11...Nh5 12.c4 Nxf4 13.Qxf4 Na5 { } ( 13...b5 { !? } 14.Qe4 Bb7 15.Qe3 bxc4 { } ) 14.Nxa5 { } ( 14.Bd3 { !? } 14...Nxb3 15.cxb3 Qxb3 16.Qd4 { } ) 14...Qxa5+ 15.Kd1 Qc3 16.Ra2 b5 17.cxb5 axb5 18.Bxb5 Rxa3 19.Rxa3 Qxa3 20.Re1 O-O 21.Re3 Qa1+ 22.Ke2 Ba6 23.Bd3 Rc8 24.Kd2 Qc3+ 25.Kd1 Bxd3 26.cxd3 Qb2 27.Re2 { ?? } ( 27.Re4 Qb3+ 28.Ke2 Rc2+ 29.Kf3 { } ) 27...Qb1+ { } {#R} 0-1