[Event "USA-ch"]
[Site "New York"]
[Date "1969.??.??"]
[Round "9"]
[White "Addison, William G"]
[Black "Zuckerman, Bernard"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3 11. bxc3 Qc7 12. Qd3 e5 13. Nxe5 Nxe5 14. dxe5 Qxe5 15. Qd4 Qxd4 16. cxd4 Be6 17. Be2 Rac8 18. Re1 Rfe8 19. Bg5 Bc4 1/2-1/2