[Event "Montreal op"]
[Site "Montreal CAN"]
[Date "2010.09.12"]
[Round "4"]
[White "Sambuev, Bator"]
[Black "Gerzhoy, Leonid"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2450"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 Nc6 6.Bd3 Bxc3+ 7.bxc3 d6 8.O-O e5 9.Ng5 O-O 10.d5 Ne7 11.f4 exf4 12.Qc2 h6 13.Nf3 fxe3 14.Bxe3 Ng4 15.Rae1 Ng6 16.Bc1 f5 17.h3 N4e5 18.Nxe5 Nxe5 19.Bf4 Qf6 20.Bxe5 dxe5 21.Qe2 e4 22.Bxe4 Qxc3 23.Bf3 Bd7 24.Bh5 Qd4+ 25.Kh1 Qf6 26.Qf2 Qd6 27.Qb2 b6 28.Re5 g6 29.Bf3 Rae8 30.Rxe8 Rxe8 31.Qa3 a5 32.Qb2 g5 33.Be2 Re3 34.Bh5 f4 35.Qc2 Bxh3 36.gxh3 Rxh3+ 37.Kg1 Rxh5 38.Qf5 f3 39.Qc8+ Kg7 40.Qb7+ 1/2-1/2