[Event "USA-ch"]
[Site "New York"]
[Date "1963.12.28"]
[Round "8"]
[White "Addison, William G"]
[Black "Byrne, Donald"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 d6 5. Nc3 Bg7 6. Bg2 a6 7. a4 O-O 8. e4 e5 9. h4 Nbd7 10. Bh3 Rb8 11. Nf3 Nb6 12. Bxc8 Qxc8 13. b3 Na8 14. Bg5 h6 15. Bxf6 Bxf6 16. a5 g5 17. Nh2 Bd8 18. h5 Nc7 19. Ng4 Kh7 20. Ne3 Ne8 21. g4 Bc7 22. Ra3 Qd8 23. Qa1 Ng7 24. Ke2 Qc8 25. Qa2 b6 26. axb6 Rxb6 27. Ra1 Qb7 28. Rxa6 Rxa6 29. Qxa6 Qxb3 30. Qa3 Qb8 31. Rb1 Qd8 32. Rb5 Qe7 33. Qa7 Rc8 34. Rb8 Qd8 35. Qa6 Kg8 36. Rb5 Bb8 37. Qb6 Qxb6 38. Rxb6 Rd8 39. f3 Kf8 40. Rb7 Kg8 41. Kd3 Kf8 42. Kc2 Kg8 43. Kb3 Kf8 44. Ka4 Kg8 45. Ka5 Kf8 46. Ka6 Ke8 1-0