Portisch, Lajos VS Benko, Pal C 1962.03.03

[Event "Interzonal-05"]
[Site "Stockholm"]
[Date "1962.03.03"]
[Round "21"]
[White "Portisch, Lajos"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Qa4 Na5 13. Bd3 a6 14. Rfd1 b5 15. Qa3 c4 16. Bc2 e6 17. Bf4 Qb6 18. Rb1 Nc6 19. Bg5 f6 20. Be3 Qc7 21. Qc1 Rb8 22. h3 Bd7 23. Bh6 Be8 24. Bxg7 Kxg7 25. Qe3 Bf7 26. f4 a5 27. g4 b4 28. e5 fxe5 29. fxe5 Ne7 30. Nf4 bxc3 31. Qxc3 Rxb1 32. Bxb1 Qb7 33. Qxc4 Qf3 34. Qf1 Qxf1+ 35. Kxf1 Nc6 36. d5 Nxe5 37. d6 Nc4 38. Rd4 Nxd6 39. Nd3 Nb7 40. Rxd8 Nxd8 41. g5 Nc6 42. Nc5 e5 43. Be4 Nd4 44. a3 Be6 45. Bg2 Bc8 46. Kf2 Kf7 47. Ke3 Ke7 48. Kd2 Kd6 49. Ne4+ Ke6 50. h4 Ke7 51. Nc5 Bg4 52. Nb7 a4 53. Nc5 Nf5 54. Nxa4 Nxh4 55. Be4 Nf3+ 56. Bxf3 Bxf3 57. Ke3 Bc6 58. Nc5 Kd6 59. Ne4+ Ke6 60. Ng3 Ba4 61. Ke4 Bc2+ 62. Ke3 Kd5 63. Nf1 Ba4 64. Ng3 Ke6 65. Ke4 Bb5 66. Kf3 Kd5 67. Ke3 e4 68. Nxe4 Ke5 69. Ng3 Ba4 70. Kf3 Bd7 71. Ke3 Bc6 72. Ne2 Be8 73. Ng3 Ba4 74. Kf3 Bb3 75. Kg4 Bd1+ 76. Kh3 Kf4 77. Kh4 Kf3 78. Nf1 Be2 79. Nh2+ Kf4 80. a4 Bd1 81. a5 Be2 82. a6 Bxa6 83. Ng4 Kf5 84. Nf6 h6 85. Nh7 h5 86. Nf6 Be2 87. Nh7 Bf3 88. Nf6 Ke5 89. Nh7 Bd5 90. Nf6 Bf7 91. Nh7 1/2-1/2