[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "10"]
[White "Benko, Pal C"]
[Black "Addison, William G"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. Qb3 Qb6 5. Bg2 Qxb3 6. axb3 Bf5 7. d3 e6 8. Be3 a6 9. Nh4 Bg6 10. Nxg6 hxg6 11. h3 Nbd7 12. O-O Bd6 13. Nd2 O-O 14. Rfc1 Rfc8 15. Rc2 Bb4 16. Nf3 Bd6 17. Ng5 Nh7 18. Nf3 Nhf6 19. Ng5 Nh7 20. Nxh7 Kxh7 21. cxd5 exd5 22. Bd4 Be5 23. Bxe5 Nxe5 24. f4 Nd7 25. e4 dxe4 26. dxe4 Rd8 27. Rd1 Nb6 28. Rcd2 Rxd2 29. Rxd2 Kg8 30. Rd4 Rb8 31. Kf2 Kf8 32. h4 Ke7 33. Bh3 a5 34. Bg4 Ra8 35. Rd3 Rd8 36. Rxd8 Kxd8 37. Ke3 Nd7 38. Kd4 b6 39. Bxd7 Kxd7 40. g4 Kd6 41. e5+ Ke6 42. Ke4 f5+ 1/2-1/2