[Event "It (cat.15)"] [Site "masterchessopen.com - Biel (Switzerland)"] [Round "6"] [White "Dreev Alexey (RUS)"] [Black "De Firmian Nick E (USA)"] [Result "1-0"] [WhiteElo "2670"] [BlackElo "2605"] [ECO "E10"] [Opening "Neo-Indian: Blumenfeld/Benoni"] 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.h3 O-O 9.Bd3 b5 10.Nxb5 Re8 11.O-O Nxe4 12.Re1 a6 13.Na3 Nf6 14.Rxe8+ Nxe8 15.Bg5 { ! } 15...Bf6 16.Qd2 Nd7 17.Nc4 Bb7 18.Be4 { ? } 18...Bxg5 19.Nxg5 Ndf6 20.Re1 h6 { ? } 21.Nxf7 { ! } 21...Kxf7 22.Qxh6 Ng7 23.Bxg6+ Kg8 24.Re6 { ! } 24...Bxd5 ( 24...Nxe6 25.dxe6 { +?? } ) 25.Rxd6 Bxc4 ( 25...Qe7 26.Rxd5 { ! +?? } ) 26.Rxd8+ Rxd8 27.Qh4 {#r} 1-0