[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Wade, Robert Graham"]
[Result "1-0"]

1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Bf5 7. Qb3 Qb6 8. Qxb6 axb6 9. Bxf6 gxf6 10. Nh4 Be6 11. e3 b5 12. Bd3 Nd7 13. Kd2 Nb6 14. Kc2 Be7 15. Ne2 Nc4 16. Nf5 Bxf5 17. Bxf5 O-O 18. Bd3 Ra5 19. a3 Rfa8 20. Nc1 R5a7 21. Nb3 Na5 22. Rac1 Nxb3 23. Kxb3 Ra4 24. Ka2 R4a7 25. Bc2 Bd6 26. h4 h6 27. h5 Kh8 28. g3 f5 29. Kb3 b4 30. axb4 Ra4 31. Bxf5 Rxb4+ 32. Kc3 Rc4+ 33. Kd3 Rb4 34. Rb1 c5 35. dxc5 Be5 36. Rhc1 Kg7 37. Rc2 Ra2 38. f4 Bxb2 39. Ke2 Kf6 40. g4 Rb3 41. Rd2 Rb4 42. Bd3 Rb3 43. g5+ hxg5 44. fxg5+ Kxg5 45. e4 d4 46. Bc4 Re3+ 47. Kd1 Ra4 48. Bb5 Ra5 49. Rdxb2 Rxe4 50. Rc2 Re5 51. Kd2 Re3 52. Be2 Re5 53. Rbc1 Ra3 54. Rc4 Kh6 55. Bd1 Rd5 56. Be2 Re5 57. Bd1 Rd5 58. Rb4 Ra5 59. Rxb7 Raxc5 60. Rxc5 Rxc5 61. Rxf7 Rd5 62. Rf6+ Kg7 63. Rg6+ Kh8 64. Kd3 Rd8 65. Bf3 Rf8 66. Be4 Rd8 67. Re6 Kg8 68. Bg6 Kh8 69. Ke2 Kg8 70. h6 d3+ 71. Bxd3 Kh8 72. Be4 Rb8 73. Re7 Rd8 74. Kf3 Rb8 75. Kf4 Rd8 76. Kg5 Rd5+ 77. Bf5 Rd8 78. Kg6 Rg8+ 79. Rg7 Re8 80. Rh7+ Kg8 81. Bd7 Re1 82. Rg7+ Kh8 83. Rf7 Rg1+ 84. Kf6 Rg8 85. Bf5 Rb8 86. Rh7+ Kg8 87. Re7 Kh8 88. Be6 Rf8+ 89. Kg5 1-0