[Event "Interzonal-15"]
[Site "Manila"]
[Date "1990.??.??"]
[Round "5"]
[White "Portisch, Lajos"]
[Black "Sax, Gyula"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2600"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Nbd7 7. b3 Bd6 8. Bb2 O-O 9. Nc3 a6 10. Rc1 Qe7 11. Na4 Ne4 12. Qc2 f5 13. cxd5 exd5 14. Ne5 g6 15. Nxd7 Qxd7 16. f3 Nf6 17. Nc5 Qc6 18. Nxb7 Qxb7 19. Qf2 Qc8 20. Qe2 Re8 21. Rfe1 Re7 22. Qd2 Qf8 1/2-1/2