[Event "World Cup"]
[Round "4"]
[Site "Skelleftea"]
[Date "1989.08"]
[White "Kortschnoj, Viktor"]
[WhiteElo "2655"]
[Black "Nunn, John DM"]
[BlackElo "2620"]
[Result "1/2-1/2"]
[ECO "A05"]
[Opening "Reti Opening, 2...Nf6"]
 1. Nf3  Nf6
 2. c4   g6
 3. d4   Bg7
 4. g3   c6
 5. Bg2  d5
 6. Qb3  dxc4
 7. Qxc4 Be6
 8. Qa4  O-O
 9. O-O  Na6
10. Nc3  Qb6
11. h3   Rad8
12. e4   c5
13. d5   Bd7
14. Qb3  e6
15. Ne5  exd5
16. Nxd7 Rxd7
17. exd5 Ne8
18. Qa4  Rd8
19. Bg5  Bf6
20. Bxf6 Nxf6
21. Qc4  Qb4
22. b3   Ne8
23. Nb5  Nd6
24. Nxd6 Rxd6
25. Rfe1 Rd7
26. Re4  Qb6
27. Rae1 Qd6
28. Re5  Nc7
29. h4   Rdd8
30. Qf4  f6
31. Re7  Qxf4
32. gxf4 Rf7
33. d6   Rxd6
34. Bxb7 Rd4
35. R7e4 f5
36. Re5  c4
37. Bf3  Rxf4
38. Bd1  Kf8
39. Rc5  Rxh4
40. bxc4 Rd4
41. Bb3  Rdd7
42. Ra5  a6
43. c5   Rfe7
44. Rc1  Rd2
45. Bc4  Re8
46. Ra3  Red8
47. Bxa6 Ra8
48. Rd3  Rxd3
49. Bxd3 Rxa2
50. Bf1  Rd2
51. Bg2  Ke7
52. Rb1  Rc2
53. c6   h5
54. Rd1  Ne6
55. Rd7+ Kf6
56. Rd6  Ke7
57. Rd7+ Kf6
58. Rd6  g5
59. Bd5  Ke5
60. Rxe6+ Kxd5
61. Rh6  Ke4
62. Rxh5 g4
63. f3+  gxf3
64. Rh6  Rc1+
1/2-1/2