[Event "Interzonal-12b"]
[Site "Toluca"]
[Date "1982.08.12"]
[Round "2"]
[White "Polugaevsky, Lev"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2590"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 c6 9. d5 c5 10. Ne1 Ne8 11. Nd3 a6 12. a4 Qe7 13. Qd2 Nc7 14. a5 f5 15. f3 f4 16. Bf2 Bf6 17. b4 cxb4 18. Na4 Bh4 19. Bxh4 Qxh4 20. c5 g5 21. cxd6 Nb5 22. Ndc5 Nxc5 23. Nxc5 Nxd6 24. Ne6 Rf6 25. Qxb4 Bxe6 26. dxe6 Rxe6 27. Rfd1 Qh6 28. Rac1 Rf8 29. Rc7 g4 30. Bc4 Nxc4 31. Qxc4 g3 32. h3 Kh8 33. Rxb7 Rc6 34. Qb4 Qf6 35. Kf1 Rfc8 36. Rdd7 Qg6 37. Qe7 Re8 38. Qxh7+ Qxh7 39. Rxh7+ Kg8 40. Rbg7+ Kf8 41. Rf7+ Kg8 42. Rfg7+ Kf8 43. Rc7 Rxc7 44. Rxc7 Rb8 45. Rc5 Rb1+ 46. Ke2 Rb2+ 47. Kd3 Rxg2 48. Rxe5 Rg1 49. Rg5 Rf1 50. e5 Rxf3+ 51. Ke4 Rf2 52. h4 Rh2 53. Kxf4 Rxh4+ 54. Kf5 Ra4 55. Rxg3 Rxa5 56. Rc3 Ra2 57. Ke6 a5 58. Rc8+ Kg7 59. Ke7 a4 60. e6 Rb2 61. Ra8 a3 62. Rxa3 Rb7+ 63. Kd8 Rb8+ 64. Kc7 Rb1 65. Rf3 Ra1 66. Rf7+ Kg6 1/2-1/2