[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.08"]
[Round "18"]
[White "Byrne, Robert Eugene"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]

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 h6 10. d4 Re8 11. Nbd2 Bf8 12. a3 Bb7 13. Ba2 Na7 14. b4 exd4 15. Nxd4 c5 16. Nf5 g6 17. Ng3 c4 18. Bb1 Nc6 19. f4 a5 20. Bb2 Qb6+ 21. Kh2 Bg7 22. Nf3 axb4 23. axb4 Rad8 24. Qc2 Nd7 25. Ra3 d5 26. e5 Ndxe5 27. fxe5 Nxe5 28. Qd2 Nxf3+ 29. gxf3 Qf6 30. Rf1 Qh4 31. f4 Bc8 32. Qg2 Re3 33. Ra8 Rde8 34. Rf2 Bf8 35. Bf5 Bd7 36. Bxd7 Rxa8 37. Nf5 Rxh3+ 38. Kg1 Qh5 39. Nxh6+ Qxh6 40. Qxh3 Qxh3 41. Bxh3 d4 42. Bd7 Bg7 43. cxd4 Ra4 44. Bxb5 Rxb4 45. Ba6 Rxb2 46. Rxb2 Bxd4+ 47. Rf2 c3 48. Bd3 Kg7 49. Kg2 Bxf2 50. Kxf2 Kh6 51. Kg3 f6 52. Kg4 Kg7 53. Bb1 Kh6 54. Bc2 Kg7 55. Kf3 Kh6 56. Kg4 Kg7 57. Bb1 Kh6 1/2-1/2