[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.10.21"]
[Round "5"]
[White "Byrne, Robert Eugene"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Nbd2 Re8 10. a3 Bf8 11. b4 g6 12. Bb2 Bg7 13. Qc2 Nh5 14. d5 Nb8 15. Bxd7 Nxd7 16. c4 c6 17. dxc6 bxc6 18. Nb3 Nf4 19. Rad1 Qc7 20. Rd2 c5 21. Red1 Bf8 22. Bc3 Ne6 23. bxc5 Ndxc5 24. Nxc5 Nxc5 25. Bb4 Rac8 26. Rd5 Ne6 27. Rc1 Nf4 28. Ra5 Qb7 29. g3 Ne6 30. Qd3 Rc6 31. Nd2 Nc5 32. Qd5 Qc7 33. Rb1 Be7 34. Nf1 Bd8 35. Bxc5 dxc5 36. Rxa6 Rxa6 37. Rb7 Rd6 0-1