[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.22"]
[Round "7"]
[White "Betancourt Giraldo, David Rogelio"]
[Black "Roca, Petronio"]
[Result "0-1"]
[WhiteElo "2265"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Nbd7 5. f4 c5 6. Nf3 cxd4 7. Nxd4 a6 8. Qf3 Qc7 9. Nb3 b6 10. Bd3 Bb7 11. O-O Be7 12. Qe2 O-O 13. Bd2 Rfe8 14. Rae1 Rad8 15. Kh1 h6 16. Bb1 e5 17. f5 Rc8 18. Bd3 Qb8 19. Rf3 Nh7 20. Nd5 Bd8 21. g3 Ndf6 22. Nc3 Qa8 23. Re3 Bc6 24. Na1 Rb8 25. a4 Nd7 26. b4 a5 27. b5 Bb7 28. Nb3 Bg5 29. Rf3 Bxd2 30. Nxd2 Nc5 31. Bc2 Rbc8 32. g4 Rc7 33. h4 Qd8 34. Rh3 g6 35. Nf1 gxf5 36. gxf5 Nf6 37. Nd2 Kf8 38. Rg1 Ke7 39. Nf1 Qc8 40. Ne3 Qa8 41. Qf3 Rcc8 42. Rg7 Rg8 43. Rhg3 Rxg7 44. Rxg7 Kf8 45. Qg2 Ncd7 46. Bd1 Ke8 47. Bf3 Nf8 48. Kh2 Rc7 49. Kh3 Qc8 50. Qe2 Ng6 51. Qd2 Nf4+ 52. Kh2 Ke7 53. Rg1 Rd7 54. Rc1 Rc7 55. Rd1 Qd7 56. Rc1 Rc5 57. Rd1 Rc8 58. Rc1 Rc5 59. Rd1 Qd8 60. Qc2 Rc8 61. Qd2 Qc7 62. Ng4 Nxg4+ 63. Bxg4 Rd8 64. Ne2 Qxc4 65. Nxf4 exf4 66. e5 f3 67. exd6+ Kd7 68. Bh3 Re8 69. Re1 Re2+ 0-1