[Event "It \"] [Site "Sofia (Bulgaria)"] [Date "2011.07.24"] [Round "5"] [White "Kalchev Sava (BUL)"] [Black "Kostov Nikolay (BUL)"] [Result "0-1"] [WhiteElo "1682"] [BlackElo "1981"] [ECO "E10"] [Opening "Neo-Indian: Blumenfeld/Benoni"] 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 Be7 7.Bf4 O-O 8.e4 Re8 9.Be2 a6 10.a4 Qa5 11.O-O Bf8 12.Nd2 Nbd7 13.Nc4 Qc7 14.Bd3 Rb8 15.Bg3 b5 16.axb5 axb5 17.Nxb5 Rxb5 18.Nxd6 Bxd6 19.Bxd6 Qxd6 20.Bxb5 Rxe4 21.Ra8 Re8 22.Re1 Rf8 23.Qa4 Nb6 24.Qa7 Nxa8 25.Qxa8 Bd7 26.Qa5 Qxd5 27.Be2 g6 {#R} 0-1