[Event "Caorle op"]
[Site "Caorle ITA"]
[Date "1989.07.04"]
[EventDate "1989.07.01"]
[Round "4"]
[Result "0-1"]
[White "Juerg Portenier"]
[Black "Mark Taimanov"]
[ECO "A33"]
[WhiteElo "?"]
[BlackElo "2495"]
[PlyCount "48"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e4 Bb4
7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. Kh1 d6 11. h3 Be6 12. f4
exf4 13. Bxf4 Nd7 14. Nd5 Bc5 15. b4 Bd4 16. Bxd6 cxd5
17. exd5 Bxa1 18. dxe6 fxe6 19. Bxf8 Nxf8 20. Qf3 Bf6 21. c5
Rc8 22. Rd1 Qc7 23. Bc4 Rd8 24. Re1 Kh8 0-1