[Event "SUI-ch"]
[Site "Lenzerheide"]
[Date "2010.07.11"]
[Round "4"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Kurmann, Oliver"]
[Result "1-0"]
[WhiteElo "2564"]
[BlackElo "2449"]

1. d4 e6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. e4 Nf6 7. Qe2 d6 8. Be3 Be7 9. g4
h6 10. Bg2 Nc6 11. Nxc6 bxc6 12. h4 Nd7 13. g5 hxg5 14. hxg5 Rxh1+ 15. Bxh1 g6 16. f4 Bb7
17. Qh2 O-O-O 18. Qh7 Rf8 19. O-O-O Qd8 20. Bg2 c5 21. Qh3 Rh8 22. Qg3 Qb6 23. Kc2 Kb8 24.
e5 Bxg2 25. Qxg2 Rd8 26. b4 Kc7 27. exd6+ Bxd6 28. b5 Be7 29. Na4 Qb7 30. Qxb7+ Kxb7 31.
Nxc5+ Nxc5 32. Rxd8 Bxd8 33. Bxc5 axb5 34. cxb5 Bc7 35. Be3 e5 36. fxe5 Bxe5 37. a4 f6 38.
gxf6 Bxf6 39. a5 Bd8 40. a6+ Ka8 41. Kd3 g5 42. Ke4 g4 43. Kf4 g3 44. Kxg3 Bc7+ 45. Kf3
Bd8 46. Ke4 Bc7 47. Kd5 Bd8 48. Kc6 Bc7 49. Bb6 1-0