[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "1"]
[White "Addison, William G"]
[Black "Byrne, Robert Eugene"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Re8 9. dxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 Rf8 12. Rfd1 Bg4 13. Rac1 h6 14. Be3 Rfd8 15. h3 Bxf3 16. Bxf3 Nd4 17. Nb5 Ne8 18. Nxd4 exd4 19. Bf4 c6 20. Rd3 g5 21. Bg3 Rd7 22. c5 Rad8 23. Bg4 Re7 24. f3 Be5 25. Bxe5 Rxe5 26. Rc4 Ng7 27. Rcxd4 Rxd4 28. Rxd4 Rxc5 29. h4 Rb5 30. Rd8+ Kh7 31. b3 Ne6 32. Bxe6 fxe6 33. h5 g4 34. Rd7+ Kg8 35. fxg4 Rb4 36. Kf2 Rxe4 37. Rxb7 a5 38. Ra7 Re5 39. Kf3 Rc5 40. Kf4 Rb5 41. Re7 Rb4+ 42. Kf3 a4 43. bxa4 Rxa4 44. Rxe6 Kh7 45. Rxc6 Rxa2 46. Kg3 Ra3+ 47. Kh2 Ra4 48. Rg6 Rb4 49. g3 Rb1 50. g5 hxg5 51. Kh3 Rb4 52. Rxg5 Kh6 53. Rf5 Ra4 54. g4 Ra1 55. Rf6+ Kg5 56. Rg6+ Kf4 57. Kg2 Ra2+ 58. Kf1 Kf3 59. Ke1 Ke3 60. Kd1 Kd3 61. Kc1 Kc3 62. Rc6+ Kd4 63. h6 Rg2 64. h7 Rh2 65. Rc7 Ke5 66. g5 1-0