[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.10.18"]
[Round "3"]
[White "Byrne, Robert Eugene"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nbd7 6. Bc4 Nb6 7. Bb3 e5 8. Nde2 Be6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nd5 Nxd5 12. Bxd5 Qb6 13. Bb3 O-O 14. Nc3 Rac8 15. O-O Qc5 16. Qe2 Bc4 17. Bxc4 Qxc4 18. Qxc4 Rxc4 19. Rfd1 Rd8 20. Rd3 a6 21. a4 Be7 22. b3 Rd4 23. Rxd4 exd4 24. Nd5 Kf8 25. Rd1 Rc8 26. Rd2 f5 27. exf5 Rc5 28. Nf4 Kf7 29. Ne6 Rxf5 30. Nxd4 Rc5 31. Kf1 Bf6 32. Ne2 b5 33. axb5 axb5 34. f4 g5 35. fxg5 Bxg5 36. Rxd6 Be7 37. Rb6 Rxc2 38. Rxb5 Rb2 39. Kf2 h6 40. Kf3 Rb1 41. Ng3 Bf8 42. h4 Ke6 43. Nf5 Kf6 44. Kg4 Rg1 45. g3 Kg6 46. Rb6+ Kh7 47. Kh5 Rg2 48. g4 Rd2 49. Nxh6 1-0