[Event "World Cup"]
[Round "12"]
[Site "Skelleftea"]
[Date "1989.08"]
[White "Portisch, Lajos"]
[WhiteElo "2600"]
[Black "Nunn, John DM"]
[BlackElo "2620"]
[Result "0-1"]
[ECO "A48"]
[Opening "King's Indian, East Indian Defence"]
 1. d4   Nf6
 2. Nf3  g6
 3. c4   Bg7
 4. Nc3  O-O
 5. e4   d6
 6. Be2  e5
 7. Be3  h6
 8. O-O  Ng4
 9. Bc1  Nc6
10. d5   Ne7
11. Ne1  f5
12. Bxg4 fxg4
13. Nc2  g5
14. Ne3  Rf4
15. Bd2  Bd7
16. b4   Ng6
17. Rc1  Nh4
18. Kh1  Qe8
19. f3   gxf3
20. g3   Qh5
21. gxh4 Rxh4
22. Rf2  g4
23. Nf1  Rh3
24. Kg1  Qg6
25. Ng3  Rf8
26. Nf5  Rxf5
27. exf5 Bxf5
28. Ne2  fxe2
29. Qxe2 Bd3
30. Qd1  g3
31. hxg3 Be4
0-1