[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "9"]
[White "Seirawan, Yasser"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2400"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. f3 d6 7. e4 e6 8. Be2 Be7 9. O-O O-O 10. Be3 a6 11. Qe1 Nbd7 12. Qf2 Rc8 13. Rac1 Qc7 14. b4 Qb8 15. a3 Rfe8 16. Rfd1 Bd8 17. Nb3 Bc7 18. g3 h6 19. Bd4 Rcd8 20. a4 Ba8 21. Rb1 Ne5 22. b5 a5 23. Nxa5 d5 24. exd5 exd5 25. Nc6 Bxc6 26. bxc6 dxc4 27. Nb5 Re6 28. Bxe5 Bxe5 29. f4 Bc7 30. Bf3 Ne4 31. Qc2 Nd6 32. Bd5 Re7 33. Bxc4 Nxb5 34. axb5 Bd6 35. Kh1 Rde8 36. Qf5 Qc7 37. Rd2 Rf8 38. Rbd1 Bc5 39. Rd7 Qc8 40. h4 Qe8 41. Kg2 h5 1-0