[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.20"]
[Round "1"]
[White "Darga, Klaus"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Bb4 8. Qb3 Bxc3 9. Qxc3 d6 10. b3 Nbd7 11. Bb2 Re8 12. Rad1 Rc8 13. Rfe1 Qe7 14. d5 e5 15. Nh4 Nc5 16. f4 Nfd7 17. e3 a5 18. Qc2 f6 19. a3 Ra8 20. Bc3 Qf7 21. Rf1 exf4 22. exf4 a4 23. b4 Nb3 24. Nf5 Nf8 25. Nd4 Nxd4 26. Bxd4 Qg6 27. Qxg6 hxg6 28. Rfe1 Kf7 29. Kf2 Ba6 30. Bf1 f5 31. Rxe8 Rxe8 32. Re1 Rd8 33. Bd3 Nd7 34. b5 Bb7 35. Bc2 Nc5 36. h4 Nb3 37. Bc3 Bc8 38. Re3 Bd7 39. Re1 Rg8 40. Re3 Nc5 41. Bd4 Ra8 42. Ke1 Ne4 43. Bd1 Re8 44. Bxa4 Nxg3 45. Rxe8 Bxe8 46. Bc2 Nh5 47. Be3 Ke7 48. a4 Kd7 49. a5 bxa5 50. Kd2 Ng3 51. Kc3 g5 52. hxg5 Bh5 53. Kb3 Be2 54. Bd2 a4+ 55. Kb4 a3 56. Bb3 Ne4 57. Be3 g6 58. Kxa3 Nc5 59. Bxc5 dxc5 60. Ka4 Bd3 61. Ka5 Be2 62. b6 cxb6+ 63. Kxb6 Kd6 64. Kb7 Bd3 65. Kc8 Be2 66. Kb7 Bd3 67. Ka6 Bf1 68. Ka5 Bd3 69. Ka4 Bf1 70. Ka3 Be2 71. Kb2 Ke7 72. Kc3 Kd6 73. Bc2 Ke7 74. Bd3 Bd1 75. Kd2 Bb3 76. Be2 Kd6 77. Kc3 Ba4 78. Bd3 Bd1 79. Kd2 Bb3 80. Kc1 Ke7 81. Kb2 Bd1 82. Bc2 Be2 83. Kc3 Kd6 84. Ba4 Ke7 85. Bb5 Kd8 86. d6 Bf3 87. Kb3 Bd1+ 88. Ka3 Bc2 89. Bc6 Bd1 90. Ba4 Be2 91. Bb5 Bd1 92. Bc6 Be2 93. Ka4 Bxc4 94. Ka5 Be2 95. Bb5 c4 96. Ba4 1-0