![](https://www.hugochess.com/assets/img/canada.png)
[Event "CAN-op"]
[Site "Ottawa CAN"]
[Date "2007.07.08"]
[Round "2"]
[White "Tiviakov, Sergei"]
[Black "Gerzhoy, Leonid"]
[Result "1-0"]
[WhiteElo "2663"]
[BlackElo "2398"]
[PlyCount "91"]
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.Nc3 Nf6 7.d4 cxd4 8.Nxd4 Qg4 9.Qxg4 Nxg4 10.Nxc6 bxc6 11.Bf4 g6 12.h3 Nf6 13.e5 dxe5 14.Bxe5 O-O-O 15.Ke2 Bg7 16.Rhd1 Nh5 17.Bxg7 Nxg7 18.Ne4 Ne6 19.Ke3 f5 20.Nc3 g5 21.Ne2 h5 22.b4 h4 23.a4 g4 24.Nf4 Rxd1 25.Rxd1 Rh6 26.f3 Nxf4 27.Kxf4 gxh3 28.gxh3 Rg6 29.Re1 Kd7 30.Re5 Rg3 31.Ra5 Rxh3 32.Rxa7+ Ke6 33.b5 cxb5 34.cxb5 Rh1 35.b6 Rb1 36.a5 Rb4+ 37.Ke3 h3 38.Kf2 Rb2+ 39.Kg1 Ke5 40.Rxe7+ Kf4 41.Rg7 Kxf3 42.b7 f4 43.a6 Rb1+ 44.Kh2 Rb2+ 45.Kxh3 Rb1 46.Kh4 1-0
[Site "Ottawa CAN"]
[Date "2007.07.08"]
[Round "2"]
[White "Tiviakov, Sergei"]
[Black "Gerzhoy, Leonid"]
[Result "1-0"]
[WhiteElo "2663"]
[BlackElo "2398"]
[PlyCount "91"]
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.Nc3 Nf6 7.d4 cxd4 8.Nxd4 Qg4 9.Qxg4 Nxg4 10.Nxc6 bxc6 11.Bf4 g6 12.h3 Nf6 13.e5 dxe5 14.Bxe5 O-O-O 15.Ke2 Bg7 16.Rhd1 Nh5 17.Bxg7 Nxg7 18.Ne4 Ne6 19.Ke3 f5 20.Nc3 g5 21.Ne2 h5 22.b4 h4 23.a4 g4 24.Nf4 Rxd1 25.Rxd1 Rh6 26.f3 Nxf4 27.Kxf4 gxh3 28.gxh3 Rg6 29.Re1 Kd7 30.Re5 Rg3 31.Ra5 Rxh3 32.Rxa7+ Ke6 33.b5 cxb5 34.cxb5 Rh1 35.b6 Rb1 36.a5 Rb4+ 37.Ke3 h3 38.Kf2 Rb2+ 39.Kg1 Ke5 40.Rxe7+ Kf4 41.Rg7 Kxf3 42.b7 f4 43.a6 Rb1+ 44.Kh2 Rb2+ 45.Kxh3 Rb1 46.Kh4 1-0
[Event "CAN-op"]
[Site "Ottawa CAN"]
[Date "2007.07.08"]
[Round "2"]
[White "Tiviakov, Sergei"]
[Black "Gerzhoy, Leonid"]
[Result "1-0"]
[WhiteElo "2663"]
[BlackElo "2398"]
[ECO "B52"]
[EventDate "2007.07.07"]
[PlyCount "91"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 Nf6 7. d4
cxd4 8. Nxd4 Qg4 9. Qxg4 Nxg4 10. Nxc6 bxc6 11. Bf4 g6 12. h3 Nf6 13. e5
dxe5 14. Bxe5 O-O-O 15. Ke2 Bg7 16. Rhd1 Nh5 17. Bxg7 Nxg7 18. Ne4 Ne6 19.
Ke3 f5 20. Nc3 g5 21. Ne2 h5 22. b4 h4 23. a4 g4 24. Nf4 Rxd1 25. Rxd1 Rh6
26. f3 Nxf4 27. Kxf4 gxh3 28. gxh3 Rg6 29. Re1 Kd7 30. Re5 Rg3 31. Ra5 Rxh3
32. Rxa7+ Ke6 33. b5 cxb5 34. cxb5 Rh1 35. b6 Rb1 36. a5 Rb4+ 37. Ke3 h3
38. Kf2 Rb2+ 39. Kg1 Ke5 40. Rxe7+ Kf4 41. Rg7 Kxf3 42. b7 f4 43. a6 Rb1+
44. Kh2 Rb2+ 45. Kxh3 Rb1 46. Kh4 1-0