[Event "USA-ch"]
[Site "Estes Park"]
[Date "1985.??.??"]
[Round "8"]
[White "McCambridge, Vincent"]
[Black "Christiansen, Larry Mark"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[BlackElo "2560"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 Nbd7 7. Nf3 a6 8. a4 c6 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 bxa4 12. Nxa4 Qa5+ 13. Kf1 Bb7 14. Bxf6 Bxf6 15. Nc5 Nxc5 16. Rxc5 Qb6 17. Qc2 h6 18. h4 Be7 19. Rh5 c5 20. dxc5 Qb4 21. Nd4 Bd5 22. c6 Bf6 23. Rh3 Rac8 24. Bxa6 Ra8 25. Rxd5 exd5 26. c7 Bxd4 27. exd4 Rxa6 28. c8=Q Ra1+ 29. Ke2 Qe1+ 30. Kf3 Qe4+ 31. Kg3 Rxc8 32. Qxc8+ Kh7 33. Qg4 Qc2 34. h5 Re1 35. Qf3 Re6 36. Kh2 Rf6 37. Qd3+ Qxd3 38. Rxd3 Rxf2 39. Rf3 Rxb2 40. Rxf7 Rd2 41. Rf4 g5 42. hxg6+ Kxg6 43. Kg3 h5 44. Kf3 Rd3+ 45. Kf2 Kg5 46. g3 Rd1 47. Kg2 Rd2+ 48. Kf3 Rd3+ 49. Kf2 Ra3 50. Kg2 Ra6 51. Kf2 Rd6 52. Kg2 Rf6 53. Rxf6 Kxf6 1/2-1/2