[Event "Interpolis 10th"]
[Round "13"]
[Site "Tilburg"]
[Date "1986.11.04"]
[White "Beliavsky, Alexander G"]
[WhiteElo "2585"]
[Black "Portisch, Lajos"]
[BlackElo "2605"]
[Result "1/2-1/2"]
[ECO "B93"]
[Opening "Sicilian, Najdorf, 6.f4"]
 1. e4   c5
 2. Nf3  d6
 3. d4   cxd4
 4. Nxd4 Nf6
 5. Nc3  a6
 6. f4   e5
 7. Nf3  Nbd7
 8. a4   Be7
 9. Bd3  O-O
10. O-O  Nc5
11. Kh1  d5
12. Nxe5 Nfxe4
13. Bxe4 dxe4
14. Be3  f6
15. Bxc5 Bxc5
16. Nxe4 Qxd1
17. Raxd1 fxe5
18. Nxc5 Bg4
19. Rde1 exf4
20. h3   Rac8
21. b4   Bh5
22. a5   f3
23. Re7  Rce8
24. Rxe8 fxg2+
25. Kxg2 Bxe8
26. Rxf8+ Kxf8
27. Kg3  Bc6
28. Kf4  Kf7
29. Ke5  g5
30. Kf5  h6
31. c4   Bg2
32. Kg4  Kf6
33. b5   axb5
34. cxb5 Ke5
35. h4   
1/2-1/2