[Event "Interzonal-14b"]
[Site "Szirak"]
[Date "1987.??.??"]
[Round "16"]
[White "Portisch, Lajos"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2585"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. h4 h5 10. Nc1 e5 11. d5 Nd4 12. Nb3 Nxb3 13. axb3 c5 14. b4 b6 15. b5 axb5 16. cxb5 Ne8 17. Bd3 f5 18. Qc2 Qe7 19. Kd1 Qf7 20. Kc1 Nf6 21. exf5 gxf5 22. Bxf5 Nxd5 23. Bg6 Qe6 24. Nxd5 Qxd5 25. Rd1 Qe6 26. Be4 Bb7 27. Bxb7 Rxb7 28. Qe4 Rd7 29. Qc6 e4 30. Qxe4 Qxe4 31. fxe4 Re8 32. Ra4 d5 33. Bg5 d4 34. Re1 Rf7 35. Ra6 Rf2 36. Rxb6 d3 37. Bd2 c4 38. Rc6 Bxb2+ 39. Kxb2 Rxd2+ 40. Ka3 Rc2 41. b6 d2 42. Rd1 c3 43. b7 Rc1 44. Rc8 Rxd1 45. Rxe8+ Kf7 46. Rf8+ Ke6 47. Re8+ Kf7 48. Rf8+ 1/2-1/2