[Event "wch u16b"]
[Site "Innsbruck AUT"]
[Date "1987.05.??"]
[EventDate "?"]
[Round "1"]
[Result "1/2-1/2"]
[White "de la Riva, Oscar"]
[Black "Alexandre Lesiege"]
[ECO "B77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "112"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8.
Qd2 O-O 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. O-O-O Nc4 13. Bxc4 Rxc4 14. h5
Nxh5 15. g4 Nf6 16. e5 Nxg4 17. fxg4 Bxg4 18. Rdg1 dxe5 19. Rxg4 h5 20. Qe2
exd4 21. Rxg6 fxg6 22. Qxc4+ Kh8 23. Rd1 e5 24. Ne4 b5 25. Qe6 Qe8 26. Qxe8
Rxe8 27. Bg5 Rf8 28. c3 Rf5 29. Nd6 Rf2 30. cxd4 exd4 31. Nxb5 Rg2 32. Bd2
h4 33. Rh1 g5 34. Nxa7 Bf6 35. Nc6 g4 36. Bf4 h3 37. a4 Kh7 38. a5 Bg5 39.
Bxg5 h2 40. Rxh2+ Rxh2 41. Nxd4 Rh5 42. Bd2 g3 43. Ne2 g2 44. Ng1 Kg6 45. b4
Kf7 46. Kd1 Ke6 47. Ke2 Rf5 48. Be3 Kd7 49. Nf3 Kc7 50. Bg1 Kb7 51. Bh2 Rb5
52. Bd6 Kc6 53. Bf8 Rf5 54. Bc5 Rxc5 55. bxc5 Kxc5 56. Kf2 1/2-1/2