[Event "Zuerich"]
[Site "Zuerich"]
[Date "1959.05.20"]
[Round "2"]
[White "Walther, Edgar"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. Nf4 c6 8. Bd3 Nbd7 9. cxd5 cxd5 10. O-O b6 11. Qf3 Bb7 12. Rd1 Rc8 13. Bd2 Re8 14. Qh3 Nf8 15. Rac1 Bd6 16. Nce2 Qd7 17. Ng3 Rxc1 18. Rxc1 Rc8 19. Rxc8 Qxc8 20. Nfh5 Nxh5 21. Nxh5 Ba6 22. Qg4 Ng6 23. Bxa6 Qxa6 24. Qd1 Qd3 25. Qc1 h6 26. g3 Qe2 27. Nf4 Bxf4 28. exf4 Ne7 29. Qc7 Nf5 30. Bc3 h5 31. h4 Nh6 32. Qe5 Qd1+ 33. Qe1 Qf3 34. Qe3 Qxe3 35. fxe3 Ng4 36. Bd2 Kh7 37. Kg2 Kg6 38. Kf3 Kf5 39. Bb4 b5 40. Bc5 a6 41. Bf8 Kg6 42. Be7 Kf5 43. Bf8 g6 44. Be7 f6 45. Bd6 Nh6 46. Bb8 Nf7 47. Bc7 g5 48. fxg5 fxg5 49. b3 gxh4 50. gxh4 Nh8 51. a4 Ng6 52. axb5 axb5 53. Bd8 e5 54. Bg5 Nf8 55. dxe5 Kxe5 56. Bf4+ Kf5 57. Bc7 Nd7 58. Ke2 Nc5 59. Bb6 Nd7 60. Bd8 Ke4 61. Be7 Ne5 62. Bg5 Nf3 63. Bf6 Nh2 64. Bg5 Ng4 65. Kd2 Nf2 66. Kc3 Ng4 67. Kd2 Ne5 68. Ke2 Nf7 69. Be7 Nh6 70. Bg5 Nf5 71. Kf2 d4 72. exd4 Nxd4 73. b4 Nc6 74. Bd2 Kd3 75. Be1 Nd4 76. Kg3 Nc2 77. Bf2 Nxb4 78. Kf4 Nd5+ 79. Kg5 b4 80. Bc5 b3 81. Ba3 Ne3 82. Bb2 Nd1 83. Ba1 1/2-1/2