[Event "World Cup"]
[Round "13"]
[Site "Reykjavik"]
[Date "1991"]
[White "Speelman, Jonathan S"]
[WhiteElo "2630"]
[Black "Portisch, Lajos"]
[BlackElo "2570"]
[Result "1/2-1/2"]
[ECO "E48"]
[Opening "Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. e3   O-O
 5. Bd3  d5
 6. Nf3  b6
 7. O-O  Bb7
 8. Bd2  dxc4
 9. Bxc4 Nbd7
10. Re1  c5
11. a3   cxd4
12. exd4 Bxc3
13. Bxc3 Ne4
14. Bb4  Re8
15. d5   exd5
16. Bxd5 Bxd5
17. Qxd5 Ndf6
18. Qxd8 Raxd8
19. Rad1 a5
20. Rxd8 Rxd8
21. Be7  Rd7
1/2-1/2