[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.12.01"]
[Round "14"]
[White "Butt, Sabih Alam"]
[Black "Acosta, Alejandro"]
[Result "1/2-1/2"]
[BlackElo "2325"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd1 Qg6 9. Nc3 d5 10. Nxd5 Qxe4+ 11. Ne3 Nf6 12. Bd3 Qb4+ 13. c3 Qe7 14. O-O O-O 15. f3 Rd8 16. Qc2 Be6 17. Re1 Rac8 18. Qe2 Nh5 19. Ng4 f5 20. Nxe5 Nxe5 21. Qxe5 Rxd3 22. Bg5 Qc5+ 23. Qxc5 Rxc5 24. Rxe6 f4 25. Be7 Rcd5 26. Rae1 h6 27. c4 Rd7 28. c5 Rd2 29. R6e2 g5 30. b4 Ng7 31. Bd6 Rxe2 32. Rxe2 Nf5 33. Re8+ Kf7 34. Rf8+ Ke6 35. Re8+ Kf7 36. Rf8+ Ke6 1/2-1/2