[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.26"]
[Round "12"]
[White "Rogoff, Kenneth"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2625"]
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. d3 Nxf3+ 10. Bxf3 Bc5 11. Bd2 d6 12. Qc2 Bd7 13. b4 Bd4 14. Bc3 Bb6 15. a4 a6 16. a5 Ba7 17. Rac1 Rc8 18. e3 f5 19. d4 exd4 20. Bxd4 Bxd4 21. exd4 Qf6 22. Qd2 f4 23. Rc3 Bh3 24. Rfc1 Rf8 25. Bh1 Qg5 26. Rf3 Rf7 27. Re1 Rcf8 28. Re4 Qg6 29. Qe1 Rf6 30. Rc3 h5 31. Re7 fxg3 32. Rxg3 h4 33. Rxg7+ Kxg7 0-1