[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "3"]
[White "Seirawan, Yasser"]
[Black "Christiansen, Larry Mark"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2515"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. Nf3 Nc6 6. Be2 Be7 7. Qc2 Ng5 8. Nxg5 Bxg5 9. cxd5 exd5 10. Bb5 O-O 11. Bxc6 bxc6 12. O-O d4 13. Ne4 Bf4 14. Qxc6 Rb8 15. d3 Bxe5 16. Qc5 Re8 17. b3 Ba6 18. Rd1 Bxd3 19. Bg5 f6 20. Bxf6 Bxf6 21. Nxf6+ Qxf6 22. Rxd3 Re2 23. Qc4+ Kh8 24. Qxd4 Rxf2 25. Qxf6 Rxf6 26. Rc1 Re8 27. Rdc3 h6 28. Rxc7 Re2 29. R7c2 Rff2 30. Rxe2 Rxe2 31. a3 Ra2 32. a4 Rb2 33. Rc3 Kh7 34. h4 Kg6 35. Rg3+ Kh5 36. Rxg7 Kxh4 37. Rxa7 Rxb3 38. Kh2 Ra3 39. a5 Kh5 40. a6 Kg6 41. g3 h5 42. Ra8 Kh6 43. Kg2 Kg7 44. Kf2 Kh7 45. a7 Kg7 46. Ke2 Kh7 47. Kd2 Ra1 48. Kc3 h4 49. gxh4 Ra2 1/2-1/2