[Event "Brussels"]
[Site "Brussels"]
[Date "1987.04.14"]
[Round "4"]
[White "Karpov, Anatoly"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2710"]
[BlackElo "2590"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nf2 h5 16. h3 Ng6 17. Qc2 Ne8 18. a4 Bf6 19. Ra3 Qc7 20. Rc1 Bd8 21. Nb5 Qb8 22. a5 a6 23. Nc3 b6 24. Ncd1 Rf7 25. Qb3 b5 26. Nd3 Nf6 27. N1f2 Rc7 28. Rc3 Rxc3 29. bxc3 Nd7 30. c4 bxc4 31. Qxc4 Qc7 32. Qa4 Nf6 33. Rc3 Bd7 34. Rxc7 Bxa4 35. Rb7 Bb5 36. Bb4 Ne8 37. Nd1 Bc7 38. Nc3 Bd7 39. Bxd6 Bxd6 40. Rxd7 Rc8 41. Na4 Rc2 42. Bf1 g4 43. hxg4 hxg4 44. fxg4 f3 45. g5 Nh4 46. g3 f2+ 47. Kh1 Nf3 48. g6 Nd2 49. Kg2 Nc4 50. Nxf2 Ne3+ 51. Kf3 Nxf1 52. Ng4 Bf8 53. Ra7 Ra2 54. Nb6 Ra3+ 55. Kg2 Rxg3+ 56. Kxf1 Rxg4 57. Rxa6 Nf6 58. Ra8 Kg7 59. Rc8 Rf4+ 60. Kg2 Rg4+ 61. Kf3 Rf4+ 1/2-1/2