[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.01"]
[Round "13"]
[White "Barczay, Laszlo"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 Bd6 8. Be3 Ne7 9. Nd2 O-O 10. Nc4 Ng6 11. Nxd6 cxd6 12. Qd2 Re8 13. f3 Ne5 14. Bf2 d5 15. exd5 Qxd5 16. Rfe1 Bf5 17. Qc3 Bg6 18. Nb3 Red8 19. Na5 c5 20. Qxc5 Rac8 21. Qxd5+ Rxd5 22. Nb3 Rxc2 23. Rac1 Rxb2 24. Rc8+ Kf7 25. Rc7+ Rd7 26. Rxd7+ Nxd7 27. Rc1 Rb1 28. Rxb1 Bxb1 29. a3 b6 30. Nd4 Ke7 31. Ne2 Kd6 32. Nc3 Bg6 33. Bd4 b5 34. f4 Kc6 0-1