[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Christiansen, Larry Mark"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2500"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Ne2 cxd4 7. exd4 d5 8. cxd5 exd5 9. O-O h6 10. Bc2 O-O 11. a3 Bd6 12. Bf4 Bg4 13. f3 Be6 14. Qd3 Rc8 15. Rae1 Re8 16. Bxd6 Qxd6 17. Ng3 Qf4 18. Nce2 Qc7 19. Ba4 Bd7 20. Nc3 Qb6 21. Bxc6 Rxe1 22. Rxe1 Qxc6 23. Re5 Be6 24. f4 Qc4 25. Qxc4 Rxc4 26. f5 Bd7 27. Nge2 Kf8 28. h3 Rc6 29. Kf2 Rb6 30. b4 Ra6 31. Nxd5 Rxa3 32. Nxf6 gxf6 33. Rc5 b6 34. Rc7 Bxf5 35. Nc3 h5 36. d5 a5 37. bxa5 Rxa5 38. d6 Rc5 39. Rxc5 bxc5 40. Nd5 h4 41. Nxf6 c4 42. Ke3 c3 43. d7 Ke7 44. Nd5+ Kxd7 45. Nxc3 Ke6 46. Kf4 Bd3 47. Nd1 Ba6 1/2-1/2