[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.11"]
[Round "20"]
[White "Kavalek, Lubomir"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2 c4 17. Ng5 h6 18. Nxe6 fxe6 19. b3 Bc5 20. Rf1 Rc8 21. a4 Qf7 22. axb5 axb5 23. bxc4 b4 24. cxb4 Bxb4 25. Ba3 Nh5 26. Bxb4 Nxb4 27. g3 Nc6 28. Bd1 Nf6 29. Nc2 Qg6 30. Re1 Rfd8 31. c5 h5 32. Qc4 Qf7 33. Ra6 Rd2 34. Rf1 h4 35. Ra3 Qd7 36. Bg4 Nxg4 37. hxg4 hxg3 38. Rxg3 Rf8 39. g5 Qf7 40. f3 Ne7 41. Ne1 Ng6 42. Ng2 Rd4 43. Qc2 Rc8 44. Rc1 Rd7 45. Qf2 Rdc7 46. Ne1 Nf4 47. g6 Qf6 48. Rc2 Rd7 49. Rd2 Rd4 50. Qh2 Rxc5 51. Ra2 Nxg6 52. Ra8+ Nf8 53. Rh3 Kf7 54. Rh8 Nd7 55. Kf1 Qg6 56. Rhd8 Rc1 57. Ra7 Rcd1 58. Qxe5 Rxe1+ 59. Kxe1 Qg1+ 60. Ke2 Qd1+ 61. Kf2 Rd2+ 62. Ke3 Rd3+ 63. Kf4 Qxf3+ 0-1