[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "10"]
[White "Denker, Arnold Sheldon"]
[Black "Richard, Robert"]
[Result "1/2-1/2"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O d5 5. d4 O-O 6. c4 Nc6 7. cxd5 Nxd5 8. e4 Nb6 9. d5 Ne5 10. Nxe5 Bxe5 11. Nc3 e6 12. Bh6 Re8 13. Kh1 exd5 14. exd5 Bf5 15. Rc1 Qd7 16. Qb3 Bh3 17. Rfd1 Bxg2+ 18. Kxg2 Qf5 19. Be3 h5 20. Qc2 Qxc2 21. Rxc2 Rad8 1/2-1/2