[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.04.27"]
[Round "1"]
[White "De Firmian, Nick E"]
[Black "Nikolic, Predrag"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2575"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d4 Bb7 11. a4 h6 12. Nbd2 exd4 13. cxd4 Nb4 14. axb5 axb5 15. Rxa8 Qxa8 16. e5 dxe5 17. dxe5 Nfd5 18. Ne4 c5 19. e6 fxe6 20. Ne5 Nc6 21. Bxd5 exd5 22. Qxd5+ Kh7 23. Qd3 Kg8 24. Qd5+ Kh7 25. Qd3 Kg8 26. Nd7 Nb4 27. Nef6+ Kf7 28. Ne5+ Ke6 29. Neg4+ Kf7 30. Ne5+ Ke6 31. Neg4+ Kf7 32. Nxh6+ gxh6 33. Qh7+ Kxf6 34. Qxh6+ Kf7 35. Qh7+ Kf6 36. Bg5+ Kxg5 37. Qg7+ 1-0