[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.04.28"]
[Round "2"]
[White "Ermenkov, Evgenij"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2635"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Kh1 Bb4 9. Bg5 Bxc3 10. Bxf6 gxf6 11. bxc3 Ne7 12. c4 b6 13. Qd2 Bb7 14. Bd3 Rg8 15. Rab1 Qc5 16. Nb3 Qh5 17. f3 Rb8 18. c5 b5 19. a4 Bc6 20. axb5 axb5 21. Rfd1 Kf8 22. Bf1 Kg7 23. Qd6 Ng6 24. Nd4 Ne5 25. Nxb5 Qg5 26. Nd4 Rxb1 27. Rxb1 Qe3 28. Nb3 Ra8 29. Qd4 Qxd4 30. Nxd4 Ra5 31. Nb3 Ra2 32. Rc1 Ba4 33. Kg1 Kf8 34. Nd4 Ra3 35. Rb1 Rc3 36. Rb8+ Kg7 37. Rb4 Bxc2 38. Nxc2 Rxc2 39. f4 Ng6 40. g3 Rxc5 41. Rb7 d5 42. exd5 Rxd5 43. Bc4 Rd1+ 44. Kf2 Kf8 45. f5 Ne5 46. Be2 Rd7 47. Rxd7 Nxd7 48. Ke3 Nb6 49. Ke4 Ke7 50. g4 Nd5 51. Bc4 Kd6 52. Kd4 h6 53. Bb3 Ne7 54. Ke4 Nc6 55. Ba2 Ne5 56. Kf4 Nd3+ 57. Ke4 Nc5+ 58. Kd4 Nb7 59. Bb3 Ke7 60. Bc4 Nd6 61. Bd3 Ne8 62. Kc5 Ng7 63. Bc2 h5 64. gxh5 Nxh5 65. Kd4 Kf8 66. Ke4 Ng7 67. Kf4 Ne8 68. Bb3 Nc7 69. Ke4 Ke7 70. Ba2 Nb5 71. Kf4 Nd4 72. Bb1 Kf8 73. Ke3 Nb5 74. Bd3 Nd6 75. Kf4 Kg7 76. Kf3 Kf8 77. Kg4 Nb7 78. Kf4 Nc5 79. Bc4 Kg7 80. Ba2 e5+ 81. Kg4 Ne4 82. Bb1 Nc3 83. Bc2 Nd5 84. Be4 Ne3+ 85. Kf3 Nf1 86. Bd3 Nd2+ 87. Kg4 Kh6 88. Bc2 Nf1 89. Bd3 Ne3+ 90. Kf3 Nd1 91. Bc2 Nb2 92. Kg4 1/2-1/2