[Event "USA-ch"]
[Site "New York"]
[Date "1961.??.??"]
[Round "9"]
[White "Byrne, Donald"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 c5 6. Nge2 Nc6 7. O-O d6 8. d3 Rb8 9. h3 a6 10. a4 Ne8 11. Be3 Nc7 12. d4 cxd4 13. Nxd4 Bd7 14. a5 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Bc6 17. b4 b5 18. axb6 Ne6 19. Qe3 Qxb6 20. Nd5 Bxd5 21. exd5 Nd4 22. Qxe7 Nc2 23. c5 Qxb4 24. Rxa6 dxc5 25. Rc6 Nd4 26. Rc7 c4 27. Re1 Nf5 28. Qxb4 Rxb4 1/2-1/2