[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.20"]
[Round "13"]
[White "Petursson, Margeir"]
[Black "Li, Zunian"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2465"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Qb3 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Rd1 Re8 12. a3 c5 13. dxc5 Nd7 14. cxb6 Qxb6 15. Qxb6 Bxc3+ 16. bxc3 axb6 17. Bb5 Re7 18. Bxd7 Rxd7 19. Ra1 Bc8 20. Kd2 Rda7 21. Rhb1 Rxa3 22. Rxa3 Rxa3 23. Rxb6 Ra2+ 24. Kc1 Bg4 25. Ne5 Be6 26. Nd3 Bf5 27. Rb2 Ra1+ 28. Kd2 g5 29. f3 Kg7 30. Nf2 Rg1 31. g4 Rg2 32. Ke1 Bc8 33. Nd3 Rg1+ 34. Kf2 Rh1 35. Kg3 Rg1+ 36. Rg2 Rd1 37. Nb4 Be6 38. h4 Re1 39. Nc2 Rd1 40. Nd4 Rd3 41. hxg5 hxg5 42. Rc2 Bc8 43. Kf2 Ba6 44. Nf5+ Kf6 45. Rb2 Bc8 46. Rb6+ Ke5 47. Nd6 Be6 48. Rc6 Rd2+ 49. Kg3 Rd3 50. Kf2 Rd2+ 51. Ke1 Rb2 52. Ra6 Rc2 53. Rc6 Rb2 54. Kf1 Rb1+ 55. Kf2 f6 56. Kg3 Rg1+ 57. Kf2 Rb1 58. Kg2 Re1 59. Nb7 Rxe3 60. Nc5 Bxg4 61. fxg4 Kf4 62. Nd7 f5 63. gxf5 Kxf5 64. Kf2 Rh3 65. Nb6 Ke4 66. Nd7 Kd3 67. Nf6 Rh4 68. Nxd5 Rc4 69. Re6 g4 70. Re3+ Kd2 71. Re2+ Kd3 72. Re3+ Kd2 73. Kg3 Rc5 74. Re5 Rc4 75. Kh4 Kd3 76. Kg3 Kd2 77. Re3 Ra4 78. Nb6 Ra7 79. Nc4+ Kc2 80. Nd6 Kd2 81. Nc4+ Kc2 82. Nd6 Kd2 83. Kf4 Rg7 84. Ne4+ Kc2 85. c4 1-0