[Event "Canadian op 9th"]
[Site "Vancouver"]
[Date "1971.08.24"]
[Round "1"]
[White "Danenhower, Peter"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2 e6 8. O-O exd5 9. cxd5
Nbd7 10. Nd2 Ne8 11. e4 Ne5 12. h3 f5 13. Kh2 f4 14. Nf3 g5 15. Qe2 Kh8 16. Bd2 a6 17. a4
b6 18. Nd1 Ra7 19. Bc3 g4 20. Nxe5 Bxe5 21. hxg4 Qg5 22. Bxe5+ dxe5 23. Bf3 Nf6 24. Kg2
Nxg4 25. Rh1 Rg7 26. Ra3 fxg3 27. fxg3 Ne3+ 28. Qxe3 Qxg3+ 29. Kf1 Bg4 30. Qf2 Rxf3 31.
Rxf3 Qxf3 0-1