[Event "USA-ch"]
[Site "Mentor"]
[Date "1977.09.28"]
[Round "4"]
[White "Zuckerman, Bernard"]
[Black "Christiansen, Larry Mark"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2460"]

1. e4 c5 2. Nf3 Qc7 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 e6 7. Bd3 Nc6 8. Nc3 Nxc3 9. bxc3 d6 10. exd6 Bxd6 11. O-O O-O 12. Re1 f5 13. Bc4 Nd8 14. Qb3 b5 15. Bxb5 Rb8 16. Qa4 Bb7 17. Ne5 Qxc3 18. Bf4 Be4 19. Ng6 Bxf4 20. Nxf4 Qd2 21. g3 Qc3 22. Bf1 Rb2 23. Re3 Qc7 24. Qc4 Qd6 25. Nd3 Bxd3 26. Rxd3 f4 27. Qc3 fxg3 28. fxg3 Rff2 29. Qc5 Qd7 30. d5 Rfc2 31. Rc3 Nb7 32. Rxc2 Nxc5 33. Rxb2 Qxd5 34. Rab1 Qd4+ 35. Kh1 h5 36. Rb4 Qd5+ 37. Bg2 Qxa2 38. Rc1 Qd2 39. Rbc4 Nd3 40. Rc8+ Kf7 41. Rf1+ Ke7 42. Rc7+ Kd6 43. Rxa7 Nf2+ 44. Kg1 Ng4 45. Raf7 Ne3 46. R1f2 Qc1+ 47. Bf1 g5 48. Re2 Nf5 49. Rf2 Qe3 50. Bg2 g4 51. Rb7 Nd4 52. Rf7 e5 53. Kh1 Nf3 54. R7xf3 gxf3 55. Rxf3 Qd2 56. Rf1 Qe2 57. Kg1 e4 58. Bxe4 Qxe4 59. Rf4 Qe2 60. h4 1/2-1/2