[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.29"]
[Round "13"]
[White "Ravi, Lanka"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[BlackElo "2350"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 c5 9. O-O a6 10. a4 Nb6 11. Bb3 cxd4 12. exd4 Nfd5 13. Bxe7 Nxe7 14. Qe2 Nbd5 15. Rfd1 b6 16. Qe4 Bb7 17. Ng5 Ng6 18. Bxd5 Bxd5 19. Nxd5 Qxd5 20. Qxd5 exd5 21. Rac1 Rac8 22. g3 Ne7 23. Kf1 Nf5 24. Nf3 f6 25. Re1 Kf7 26. Ke2 Nd6 27. Nd2 b5 28. axb5 axb5 29. Kd3 Nc4 30. Rc2 Ra8 31. b3 Ra3 32. Kc3 b4+ 33. Kxb4 Rb8+ 34. Kc3 Nxd2 35. Kxd2 Rbxb3 36. Re3 Rxe3 37. fxe3 Ra7 38. Ke2 h5 39. Kf3 g5 40. Rc5 Ke6 41. h3 Rb7 42. Ra5 Rb1 43. Ra6+ Kf7 44. Ra7+ Kg6 45. Ra5 Rf1+ 46. Kg2 Re1 47. Kf2 Rh1 48. Kg2 Re1 49. Kf2 Rh1 50. Rxd5 Rh2+ 51. Kf3 h4 1/2-1/2