[Event "USA-ch"]
[Site "Greenville"]
[Date "1980.06.21"]
[Round "8"]
[White "Christiansen, Larry Mark"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2520"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. c3 Be7 8. Be3 d6 9. Nd2 Nd7 10. a4 O-O 11. Qe2 Nde5 12. Bc2 Bd7 13. Nxc6 Bxc6 14. f4 Nd7 15. b4 b6 16. Nc4 d5 17. exd5 Bxd5 18. Bd4 Bf6 19. Ne5 a5 20. Rab1 g6 21. Qe3 Nxe5 22. fxe5 Bg5 23. Qf2 Qc7 24. bxa5 bxa5 25. h4 Bh6 26. h5 Rab8 27. Bd3 Rxb1 28. Rxb1 Rb8 29. Rf1 Bg7 30. Bb5 gxh5 31. Qh4 h6 32. Rf4 Qb7 33. Qxh5 Be4 34. Qe2 Bg6 35. Bc5 Rd8 36. Rd4 Rd5 37. Rxd5 Qxd5 38. Bd4 Qb3 39. Qf3 Qb1+ 40. Qf1 Qc2 41. Qe2 Qc1+ 42. Qf1 Qg5 43. Qe1 h5 44. Bc6 h4 45. c4 Qf4 46. Qc3 Bf8 47. c5 Be7 48. Bf3 Bd8 49. Qe3 Qf5 50. c6 Bc7 51. Be2 1/2-1/2