[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "15"]
[White "Lein, Anatoly"]
[Black "Seirawan, Yasser"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2555"]

1. g3 d5 2. Nf3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Nc6 6. e4 Nge7 7. Nc3 dxe4 8. dxe4 Nd4 9. Bg5 c6 10. Nxd4 exd4 11. Ne2 h6 12. Bd2 c5 13. c3 Qb6 14. Qc2 O-O 15. Nf4 g5 16. Nd5 Nxd5 17. exd5 Bg4 18. Rfe1 Rae8 19. Be4 Bh5 20. cxd4 cxd4 21. Qb3 Rd8 22. Qxb6 axb6 23. d6 d3 24. Bb4 Be2 25. Rad1 Rfe8 26. Bxd3 Bxd1 27. Rxd1 Bxb2 28. a4 Kg7 29. Kg2 h5 30. h3 Re5 31. Bb5 Re4 32. Be1 Ba3 33. d7 Bb4 34. Bxb4 Rxb4 35. Rd5 Kf6 36. Kf3 h4 1/2-1/2