[Event "World Cup"]
[Round "3"]
[Site "Reykjavik"]
[Date "1991"]
[White "Khalifman, Alexander"]
[WhiteElo "2630"]
[Black "Portisch, Lajos"]
[BlackElo "2570"]
[Result "1/2-1/2"]
[ECO "E06"]
[Opening "Catalan, Closed, 5.Nf3"]
 1. d4   Nf6
 2. c4   e6
 3. g3   d5
 4. Bg2  Be7
 5. Nf3  O-O
 6. O-O  dxc4
 7. Na3  Bxa3
 8. bxa3 Bd7
 9. Ne5  Bc6
10. Nxc6 Nxc6
11. Bb2  Nd5
12. Rb1  Nb6
13. e3   Qd6
14. Qc2  Rfd8
15. Rfd1 Rab8
16. e4   e5
17. d5   Nd4
18. Bxd4 exd4
19. Rxd4 c6
20. a4   Qc5
21. Qc3  cxd5
22. exd5 Rbc8
23. Rb5  Qe7
24. a5   Na4
25. Qc2  Qe1+
26. Bf1  Nc3
27. Rxb7 Nxd5
28. Rxc4 Ne3
29. fxe3 Rxc4
30. Qxc4 Qxe3+
31. Kg2  Rd2+
32. Kh3  Qh6+
33. Kg4  Qg6+
34. Kh3  Qh6+
35. Qh4  
1/2-1/2