[Event "Canadian op"]
[Site "Toronto"]
[Date "1968.08.31"]
[Round "9"]
[White "Day, Lawrence A"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2369"]
[BlackElo "2739"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 b6 5. Bg2 Bb7 6. Ngf3 dxe4 7. Ng5 Nc6 8. Ndxe4 Nxe4 9. Nxe4 Qd7 10. O-O O-O-O 11. Nd2 h5 12. a4 h4 13. Nc4 hxg3 14. hxg3 Nd4 15. Ne5 Bxg2 16. Nxd7 Bf3 17. Qxf3 Nxf3+ 18. Kg2 Nh4+ 19. gxh4 Rxd7 20. Rh1 Rd4 21. a5 Kb7 22. f4 Be7 23. Kg3 Rd5 24. axb6 axb6 25. Ra4 Rdh5 26. f5 Rxf5 27. Be3 Bd6+ 28. Kg4 Rfh5 0-1