[Event "Las Palmas-10"]
[Site "Las Palmas"]
[Date "1981.06.??"]
[Round "9"]
[White "Seirawan, Yasser"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2620"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nxc3 10. bxc3 c5 11. d4 cxd4 12. cxd4 Nc6 13. Bb2 Bf6 14. Rb1 Re8 15. h4 h6 16. d5 exd5 17. e5 Be7 18. e6 Rf8 19. Nh2 d4 20. Ng4 Bc5 21. Rc1 Rb8 22. Bxc6 Bxc6 23. e7 Qd5 24. exf8=Q+ Kxf8 25. f3 d3+ 26. Re3 d2 27. Rc2 Qxf3 28. Qxf3 Bxf3 29. Rxd2 Bxg4 30. Ba3 Bxa3 31. Rxa3 Rb7 32. Rd8+ Ke7 33. Ra8 a5 34. Rb3 Be6 35. Rb2 Rc7 36. Kf2 Rc3 37. Ra7+ 1/2-1/2