[Event "USA-ch"]
[Site "Berkeley"]
[Date "1984.??.??"]
[Round "4"]
[White "Seirawan, Yasser"]
[Black "Henley, Ron W"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2495"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 c6 6. Be3 O-O 7. Bd3 e5 8. d5 cxd5 9. cxd5 Ne8 10. Nge2 Bh6 11. Bxh6 Qh4+ 12. Ng3 Qxh6 13. Qd2 Qh4 14. O-O Nd7 15. Rac1 Kg7 16. b4 a5 17. Na4 Qf4 18. Rfd1 Qxd2 19. Rxd2 axb4 20. Bb5 Ra5 21. Bxd7 Bxd7 22. Nb6 Bb5 23. Rb2 Ba6 24. Rxb4 Rxa2 25. Nd7 Rg8 26. Nb8 Nf6 27. Nxa6 bxa6 28. Rb7 a5 29. h4 a4 30. Rcc7 Rf8 31. Ra7 a3 32. Kh2 Ne8 33. Rc6 Nf6 34. Nf1 Rf2 35. Ne3 a2 36. Rxd6 Re2 37. Nc4 Rb8 38. Rda6 Rb4 39. Nd6 Rbb2 40. Rxf7+ Kh8 41. Rxf6 Rxg2+ 42. Kh1 Rh2+ 43. Kg1 1/2-1/2