[Event "USA-ch"]
[Site "Pasadena"]
[Date "1978.??.??"]
[Round "7"]
[White "Lein, Anatoly"]
[Black "Christiansen, Larry Mark"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2490"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O Be7 8. Be3 O-O 9. f4 e5 10. Nb3 a5 11. a4 Nb4 12. Nd5 Nfxd5 13. exd5 Bf5 14. Rc1 exf4 15. Bf2 Bf6 16. c3 f3 17. gxf3 Na6 18. Kh1 Re8 19. Rg1 Bg6 20. Qd2 Be5 21. Rg2 Qf6 22. Bg3 Bxg3 23. hxg3 Re5 24. Rf1 Rae8 25. Kg1 Nc7 26. c4 b6 27. Nd4 h5 28. Qf4 Bf5 29. Rff2 Bd7 30. Qxf6 gxf6 31. Nb5 Nxb5 32. axb5 Re3 33. Rh2 1/2-1/2