[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.30"]
[Round "9"]
[White "Ivkov, Borislav"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Qc7 10. a4 Nbd7 11. a5 b5 12. axb6 Nxb6 13. Bxb6 Qxb6 14. Bc4 a5 15. Nd5 Nxd5 16. Bxd5 Ra7 17. Ra2 g6 18. Nd2 Bd7 19. Nc4 Qc5 20. Qd2 a4 21. Rfa1 Rc7 22. b4 Qd4 23. c3 Qxd2 24. Rxd2 Be6 25. Nb6 Rxc3 26. Nxa4 Rc7 27. b5 Bxd5 28. b6 Rb7 29. Rxd5 Ra8 30. Rdd1 Bd8 31. Nc3 Rxa1 32. Rxa1 Kg7 33. Rb1 Rxb6 34. Rxb6 Bxb6 35. Nd5 Bc5 36. g4 h5 37. gxh5 f5 38. hxg6 fxe4 39. Kf1 Kxg6 40. Ke2 Kf5 41. h4 Ba3 42. Ne3+ Ke6 43. h5 d5 44. h6 Bf8 45. h7 Bg7 46. Nf1 Bf6 47. Ne3 Bh8 48. Nf1 Kf6 49. Ne3 d4 50. Nf1 Kf5 51. Ng3+ Kf4 52. Nh5+ Kg4 53. Ng3 e3 54. Ne4 exf2 55. Nxf2+ Kf5 56. Kd3 Kg6 57. Ne4 Kxh7 58. Nc5 Kg6 59. Ne4 Kf5 60. Nd2 Bg7 61. Ne4 Bh6 62. Nf2 Be3 63. Ne4 Kf4 64. Nf6 Kf3 65. Ne4 1/2-1/2