[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.22"]
[Round "7"]
[White "Guimaraes, Jorge"]
[Black "Duarte Mermow, Marcelo R"]
[Result "1-0"]
[WhiteElo "2285"]
[BlackElo "2370"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. Qc2 O-O 6. e3 Nc6 7. a3 Bxd2+ 8. Nbxd2 a5 9. Bd3 d6 10. O-O e5 11. d5 Nb8 12. b4 Na6 13. Rab1 g6 14. Rfc1 Bd7 15. Bf1 Ra7 16. e4 axb4 17. axb4 b6 18. Ne1 Rfa8 19. Nd3 Kg7 20. f3 Be8 21. Qc3 Nd7 22. Nb3 Nab8 23. c5 bxc5 24. bxc5 Ra3 25. c6 Nb6 26. Ra1 f5 27. Rxa3 Rxa3 28. Qb4 Ra7 29. Ra1 Rxa1 30. Nxa1 fxe4 31. fxe4 Bxc6 32. dxc6 Nxc6 33. Qc3 Nd4 34. Nc2 c5 35. Nf2 Nd7 36. Ne3 Qg5 37. Nd5 Nf8 38. Qe3 Qh4 39. Qh3 Qg5 40. Qe3 Qh4 41. h3 Nfe6 42. Ng4 g5 43. Qf2 Nf4 44. g3 Qxh3 45. Qxf4 Ne2+ 46. Kf2 Qxf1+ 47. Kxf1 Nxf4 48. gxf4 exf4 49. Ngf6 h5 50. Ne8+ Kf7 51. Nxd6+ Ke6 52. Nc4 h4 53. Kg2 Kd7 54. Kh3 Kc6 55. Kg4 Kd7 56. Nxf4 1-0