[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.27"]
[Round "2"]
[White "Walther, Edgar"]
[Black "Nilsson, Zandor"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. dxc5 Bxc5 9. Nb3 Bd6 10. c3 O-O 11. Nfd4 Bd7 12. Bd3 Ne5 13. Bf4 N7g6 14. Bxg6 hxg6 15. Re1 Re8 16. Bxe5 Rxe5 17. Rxe5 Bxe5 18. Nf3 Bg4 19. h3 Bxf3 20. Qxf3 Qg5 21. Rd1 Rd8 22. g3 Bf6 23. Kg2 b6 24. Nd4 Bxd4 25. Rxd4 b5 26. Qd3 a6 27. a4 bxa4 28. Rxa4 Qc1 29. Rb4 a5 30. Rb7 Qe1 31. Rb5 Qc1 32. Rxd5 Rxd5 33. Qxd5 Qxb2 34. Qxa5 Qb7+ 35. Kh2 Qc6 36. Qd8+ Kh7 37. Qd4 g5 38. c4 Kg6 39. h4 gxh4 40. Qxh4 f6 41. Qd4 Kf5 42. g4+ Ke6 43. Kg3 Qh1 44. Qe3+ Kf7 45. f4 g6 46. Qa7+ Ke6 47. Qb6+ Ke7 48. Qc5+ Kd7 49. Qd4+ Ke6 50. Qe3+ Kf7 51. g5 f5 52. Qa7+ Ke6 53. Qb6+ Kd7 54. Qb5+ Kc7 55. Qa5+ Kd7 56. Qa7+ Kc8 57. Qc5+ Kd7 58. Qa7+ Kc8 59. Qe3 Kd7 60. Kf2 Qh2+ 61. Ke1 Kc6 62. Kd1 Qg2 63. Qd4 Qa2 64. Qd5+ Kc7 65. Qf7+ Kd8 66. Qd5+ Kc7 67. Qf7+ Kd8 68. Qg8+ Kc7 69. Qg7+ Kd8 70. Qg8+ Kc7 71. Qh7+ Kd8 72. Qh8+ Kc7 73. Qg7+ Kc8 74. Qxg6 Qb1+ 75. Kd2 Qb2+ 76. Kd3 Qb1+ 77. Kc3 Qe1+ 78. Kd4 Qe4+ 79. Kc5 Qe3+ 80. Kb4 Qxf4 81. Qg8+ Kc7 82. Qg7+ Kb6 83. Qf6+ Ka7 84. g6 Qb8+ 85. Kc5 Qc7+ 86. Kd5 Qa5+ 87. Ke6 Qa6+ 88. Kxf5 Qxc4 89. Qf7+ 1-0