[Event "OHRA-A"]
[Site "Amsterdam"]
[Date "1990.??.??"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2630"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. e3 c6 7. Nf3 Be6 8. Ng5 Bf5 9. Be2 h6 10. Nf3 dxc4 11. Bxc4 Nbd7 12. h3 g5 13. Bh2 c5 14. O-O Rc8 15. Qe2 cxd4 16. Nxd4 Bg6 17. Bd3 Bxd3 18. Qxd3 Nc5 19. Qb1 Nd5 20. Rfd1 Bxd4 21. Rxd4 Nxc3 22. Rxc3 Qb6 23. Qc2 Rc6 24. b4 Ne6 25. Rxc6 bxc6 26. Rc4 a5 27. Rxc6 Qxb4 28. Be5 Ng7 29. Rxh6 f6 30. Qh7+ Kf7 31. Qg6+ Kg8 32. Rh7 Rf7 33. Kh2 1-0