[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.27"]
[Round "11"]
[White "Tsuboi, Edson Kenji"]
[Black "Acosta, Alejandro"]
[Result "1-0"]
[WhiteElo "2235"]
[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. Be3 Nd4 12. Nc7+ Ke7 13. Rc1 Bg4 14. Qd3 Qxd3 15. Bxd3 Rd8 16. h3 Bh5 17. f4 f6 18. Be4 Kd6 19. g4 f5 20. c3 Nc6 21. Bxf5 Kxc7 22. gxh5 Nf6 23. fxe5 Nxe5 24. Bf4 Kc6 25. O-O Nd3 26. Rc2 Nxf4 27. Rxf4 Rd1+ 28. Kh2 Rhd8 29. Bg4 R1d6 30. Re2 Rd2 31. Rff2 Rxe2 32. Rxe2 b5 33. Re6+ Kc5 34. b4+ Kc4 35. Rc6+ Kd3 36. Bc8 Nd5 37. Bxa6 Nxc3 38. a4 Rf8 39. axb5 Rf2+ 40. Kg1 Ra2 41. b6+ Rxa6 42. b7 Rxc6 43. b8=Q Ne2+ 44. Kg2 Rf6 45. b5 Nf4+ 46. Kh2 Nd5 47. Qe5 Ne3 48. h6 Nf1+ 49. Kg1 Nd2 50. Qd5+ Ke2 51. Qg2+ 1-0