[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.15"]
[Round "10"]
[White "Polugaevsky, Lev"]
[Black "Seirawan, Yasser"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2570"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. Bg5 c6 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 N7b6 9.
Bd3 Nxc3 10. bxc3 Nd5 11. O-O Qxc3 12. Qe2 Be7 13. Bxe7 Nxe7 14. Ne5 Ng6 15. Bxg6 hxg6 16.
Qf3 O-O 17. h4 Qa5 18. h5 gxh5 19. Rac1 g6 20. g4 hxg4 21. Qxg4 Kg7 22. Kg2 Qd5+ 23. f3
Bd7 24. Rh1 Rh8 25. Qf4 f6 26. Ng4 Raf8 27. Rxh8 g5 28. Rh7+ Kxh7 29. Qh2+ Kg8 30. Qh6 Kf7
31. Nxf6 Qd6 32. Rh1 Ke7 33. Qxg5 Kd8 34. Nxd7+ Kxd7 35. Rh7+ Kc8 36. Qg7 Kd8 37. Qxb7
Rg8+ 38. Kf1 Rg1+ 39. Ke2 Rg2+ 40. Kd1 Rg1+ 41. Kc2 Rg2+ 42. Kd3 1-0