[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "14"]
[White "Lein, Anatoly"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2510"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. cxd5 exd5 8. g3 a5 9. Bg2 Na6 10. O-O Re8 11. h3 c6 12. Nf4 Nc7 13. Bd2 Bd6 14. Rc1 Bf5 15. g4 Bxf4 16. gxf5 Bd6 17. Kh1 Re7 18. Rg1 Nce8 19. Bf1 Bc7 20. Bd3 Nd6 21. Qf3 Qf8 22. Rg2 Nde4 23. Rd1 Kh8 24. Bc1 g5 25. Kg1 Qh6 26. Kf1 Rg8 27. Ke2 g4 28. Rxg4 Nxg4 29. hxg4 Nf6 30. Rh1 Qg5 31. Bd2 Qxg4 32. Rh6 Qxf3+ 33. Kxf3 Kg7 34. Rh4 Ree8 35. e4 dxe4+ 36. Nxe4 Nxe4 37. Bxe4 Bd8 38. f6+ Kxf6 39. Rh6+ Ke7 40. Bf4 Rg6 41. Rxh7 Rf6 42. Ke3 Kd7 43. f3 Bb6 44. Bg5 Rd6 45. Rxf7+ Kc8 46. Bf6 Rxf6 47. Rxf6 Rd8 48. Ke2 1/2-1/2