[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.05.05"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2575"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 d5 5. Bd3 Bd6 6. O-O O-O 7. b3 Bb7 8. Bb2 Nbd7 9. Nc3 a6 10. Rc1 Qe7 11. Na4 dxc4 12. bxc4 Ne4 13. Qe2 f5 14. Rfd1 Rfc8 15. Rb1 b5 16. Ba1 Bb4 17. c5 Ba5 18. Rdc1 Bd5 19. Nc3 c6 20. Ne1 Rf8 21. f4 Bxc3 22. Bxc3 a5 23. Nf3 h6 24. Be1 g5 25. fxg5 hxg5 26. Bg3 Nxg3 27. hxg3 Nf6 28. a4 b4 29. Nxg5 Qg7 30. Nh3 Qxg3 31. Qf2 Qxf2+ 32. Kxf2 Ng4+ 33. Ke2 e5 34. Kd2 Bxg2 35. Ng5 exd4 36. exd4 Bd5 37. Rg1 Ra7 38. Rbf1 Rg7 39. Rxf5 Rxf5 40. Bxf5 Rxg5 41. Rxg4 Rxg4 42. Bxg4 Kf7 43. Kc2 Kf6 44. Bd7 Kg5 45. Kd2 Kf4 46. Kd3 Be4+ 47. Kd2 Bg2 48. Be8 Bd5 1/2-1/2