[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Be2 dxc4 7. Bxc4 Nbd7 8. O-O c5 9. Bb3 a6 10. a4 e6 11. Qe2 b6 12. Rd1 Qc7 13. Bd2 Bb7 14. Rac1 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. f3 b5 18. axb5 axb5 19. Nxb5 Qxb2 20. Rb1 Qe5 21. Bc3 Qe7 22. Bc4 Rad8 23. e4 Nh5 24. g3 Rxd1+ 25. Rxd1 Bxc3 26. Nxc3 Rd8 27. Kf2 Ng7 28. Rxd8+ Qxd8 29. Qe3 Ne6 30. Bxe6 fxe6 31. Na4 c4 32. Nc5 Qb6 33. Qd4 Ba6 34. Ke3 Bb5 35. Qe5 Kf7 36. Kf4 h6 37. h4 Be8 38. h5 gxh5 39. Qxh5+ Ke7 40. Qh4+ Kf7 1/2-1/2