[Event "Memorial M.Chigorin (open)"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Date "2011.10.17"] [Round "4"] [White "Epishin Vladimir (GER)"] [Black "Kostyuchenko Vladimir (RUS)"] [Result "1-0"] [WhiteElo "2544"] [BlackElo "2107"] [ECO "D20"] [Opening "QGA: 3.e4 Nc6 4.Nf3"] 1.d4 d5 2.c4 dxc4 3.e4 Nc6 4.Nf3 Bg4 5.Bxc4 Bxf3 6.Qxf3 e6 7.d5 Ne5 8.Bb5+ c6 9.Qc3 cxb5 10.Qxe5 Qf6 11.Qh5 Bb4+ 12.Nd2 a6 13.O-O Ne7 14.a3 Bxd2 15.Bxd2 exd5 16.exd5 O-O 17.Rac1 Nxd5 18.Qxd5 {#r} 1-0