[Event "USA-ch"]
[Site "Mentor"]
[Date "1977.10.06"]
[Round "12"]
[White "Lein, Anatoly"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2545"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bxf3 9. Qxf3 g6 10. Qd1 Bh6 11. Na3 O-O 12. Nc4 d5 13. exd5 Nxd5 14. Ne3 Nxe3 15. dxe3 Qxd1 16. Rxd1 Rad8 17. Rxd8 Rxd8 18. f4 g5 19. g3 gxf4 20. gxf4 e5 21. Kf2 Rd6 22. Be2 Rf6 23. Kf3 Ne7 24. Bd3 exf4 25. exf4 Ng6 26. Bxg6 hxg6 27. h4 Rf5 28. Be3 Kf8 29. b4 cxb4 30. cxb4 Ke8 31. a4 Bf8 32. Rb1 b5 33. axb5 axb5 34. Ke4 Be7 35. Bd4 Bxh4 36. Ra1 Kd7 37. Ra7+ Kc6 38. Ra6+ Kb7 39. Ra7+ Kc6 40. Ra6+ Kb7 41. Ra7+ Kb8 42. Rd7 Kc8 43. Ra7 Be1 44. Bc5 Rf6 45. Bd4 Rf5 46. Bc5 Bh4 47. Bd6 Bd8 48. Be5 Bb6 49. Re7 Bd8 50. Ra7 Bb6 1/2-1/2