[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.21"]
[Round "6"]
[White "Rian, MM"]
[Black "Jose Mateus, Manuel"]
[Result "1/2-1/2"]

1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Be2 cxd4 10. Qxd4 Qa5+ 11. Kf1 Nc6 12. Qe4 Bd7 13. Rd1 Rfd8 14. Bd3 g6 15. a3 Bf6 16. h4 e5 17. Bg5 Bf5 18. Qc4 Rxd3 19. Rxd3 Bxd3+ 20. Qxd3 Bxg5 21. Nxg5 h6 22. Ne4 Rd8 23. Qc2 Nb4 24. Qb3 Nd3 25. Kg1 Qb6 26. Qxb6 axb6 27. h5 Nxb2 28. hxg6 Rd1+ 29. Kh2 Rxh1+ 30. Kxh1 fxg6 31. Nd6 Kf8 32. g4 Ke7 33. Nb5 Kd7 34. Kg2 Kc6 35. Nc3 b5 36. Kf3 Nc4 37. Ke4 Nxa3 38. Kxe5 b4 39. Nd1 Nc4+ 40. Kf6 b3 41. Kxg6 b2 42. Nxb2 Nxb2 43. Kxh6 Nc4 44. g5 Nd6 45. g6 b5 46. e4 Ne8 47. g7 Nxg7 48. Kxg7 b4 49. e5 b3 50. e6 Kd6 51. Kf7 1/2-1/2