[Event "Interzonal-15"]
[Site "Manila"]
[Date "1990.??.??"]
[Round "3"]
[White "De Firmian, Nick E"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2590"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. c3 Nf6 7. Re1 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5 11. exd5 Nb4 12. Bxd7 Qxd7 13. Nc3 Nbxd5 14. Bg5 c6 15. Qb3 Bd6 16. Na4 Qc7 17. Nc5 Rab8 18. a3 Nh5 19. Rac1 Nhf4 20. Bxf4 Nxf4 21. Ne4 Rfd8 22. Nxd6 Qxd6 23. Re4 Re8 24. Rce1 Rxe4 25. Rxe4 Ne6 26. Qb6 h6 27. Qb3 b5 28. Qe3 Rd8 29. b4 Qd5 30. Re5 Qc4 31. Kh2 Qc2 32. g3 Rd5 33. Re4 Kh7 34. Kg2 Rf5 35. h4 Nc7 36. Ne1 Qa2 37. Re5 Nd5 38. Qe2 Qxe2 39. Rxe2 Nb6 40. Rc2 Nc4 41. a4 a5 42. bxa5 Nxa5 43. axb5 cxb5 44. Nd3 Nb3 45. Rc7 Nxd4 46. f4 Ne6 47. Rd7 g5 48. fxg5 hxg5 49. g4 Nf4+ 50. Nxf4 Rxf4 51. hxg5 Kg7 52. Kg3 Rf1 53. Rb7 Rb1 54. Kf4 b4 55. Kf5 Rf1+ 56. Ke5 Kg6 57. Rxb4 Kxg5 58. Kd6 Rh1 59. Ke7 Rh7 60. Kf8 f6 61. Kg8 Rh4 62. Kg7 f5 63. gxf5 Rxb4 64. f6 1/2-1/2