[Event "Interzonal-15"]
[Site "Manila"]
[Date "1990.??.??"]
[Round "6"]
[White "Ivanchuk, Vassily"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2680"]
[BlackElo "2590"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Be7 5. Re1 d6 6. d4 exd4 7. Nxd4 Bd7 8. Bf1 O-O 9. Nc3 Nxd4 10. Qxd4 Bc6 11. Bf4 Nh5 12. Bd2 Bf6 13. Qd3 Bxc3 14. Qxc3 Re8 15. f3 Qf6 16. Qxf6 Nxf6 17. b4 a6 18. a4 Rec8 19. c4 a5 20. b5 Bd7 21. f4 Be8 22. e5 dxe5 23. fxe5 Nd7 24. e6 Nc5 25. e7 Ne6 26. Rad1 c5 27. Bc3 b6 28. Rd6 Rcb8 29. Red1 Ra7 30. Rd8 Raa8 31. Rxb8 Rxb8 32. Be5 Rb7 33. Rd8 Rxe7 34. Rb8 Nf8 35. Bd6 Nd7 36. Rxb6 Nxb6 37. Bxe7 Nxa4 38. Be2 f5 39. Bf3 Bf7 40. Bd8 Bxc4 41. b6 Nxb6 42. Bxb6 a4 43. Bxc5 g5 44. Kf2 Kf7 45. Ke3 Kg6 46. Kd4 Bb5 47. Ke5 h5 48. g3 Bd7 49. Bd1 g4 50. Kf4 Kf6 51. Bc2 Kg6 52. Ba3 Kf6 53. Bc1 Kg6 54. Bb2 h4 55. Ba3 hxg3 56. hxg3 Be6 57. Bxa4 1-0