[Event "USA-ch sf"]
[Site "USA"]
[Date "1963.??.??"]
[Round "?"]
[White "Addison, William G"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Na6 10. Nd2 Rb8 11. a4 Nc7 12. Nc4 Nfe8 13. Bf4 f5 14. Qd2 b6 15. Rac1 Ba6 16. b3 Qd7 17. Bh6 b5 18. Bxg7 Nxg7 19. axb5 Nxb5 20. Nxb5 Bxb5 21. Na5 Nh5 22. Rfe1 f4 23. Rc3 Rf7 24. Bf3 fxg3 25. hxg3 Rbf8 26. Bxh5 gxh5 27. Qg5+ Kh8 28. Rf3 Rxf3 29. exf3 Qf5 30. f4 Qxg5 31. fxg5 Rf5 32. f4 Rxd5 33. Re7 a6 34. Nb7 Kg8 35. Nd8 Rd1+ 36. Kf2 Bd3 37. Ne6 Bf5 38. Rg7+ Kh8 39. Re7 Kg8 40. Rg7+ Kh8 41. Re7 Bxe6 42. Rxe6 Kg7 43. Kf3 d5 44. Rc6 Rd3+ 45. Kf2 1/2-1/2