[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "5"]
[White "Quillen, Paul"]
[Black "Lombardy, William James"]
[Result "0-1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nge2 Nh6 7. Bg5 f5 8. Nd5 Nf7 9. Bc1 O-O 10. c3 Kh8 11. O-O Bd7 12. Ne3 Nh6 13. f4 Rb8 14. Bd2 b5 15. exf5 gxf5 16. Qc2 e6 17. Rae1 Qb6 18. Kh1 d5 19. h3 b4 20. c4 dxc4 21. Nxc4 Qc7 22. b3 Nf7 23. Be3 Ne7 24. d4 Nd5 25. Bxd5 exd5 26. Ne5 c4 27. bxc4 dxc4 28. Nxd7 Qxd7 29. Qxc4 Nd6 30. Qd3 Rfe8 31. Kh2 Qe6 32. Nc1 Qd5 33. Bf2 a5 34. g4 Ne4 35. Qf3 a4 36. gxf5 Qxf5 37. Be3 Rbc8 38. Re2 Nc3 39. Rg2 Nd5 40. Bg1 Bh6 41. Ne2 Qe4 42. Qh5 Rg8 43. Qe5+ Qxe5 44. dxe5 Rc2 45. Rxg8+ Kxg8 46. Rf2 b3 47. Rg2+ Kf7 48. e6+ Kf8 49. axb3 axb3 50. Bd4 b2 51. Bxb2 Rxb2 52. Kg3 Rb3+ 53. Kh4 Bg7 54. Ng1 Bf6+ 55. Kh5 Nxf4+ 0-1