[Event "Canadian op"]
[Site "St John"]
[Date "1970.07.30"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Day, Lawrence A"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2235"]

1. g3 d5 2. Bg2 c6 3. f4 g6 4. Nf3 Bg7 5. d3 Qb6 6. c3 Nf6 7. e3 Bg4 8. O-O Nbd7 9. Qc2 Bxf3 10. Bxf3 O-O 11. d4 e6 12. Nd2 Ne8 13. b3 f5 14. c4 Ndf6 15. Bb2 Rf7 16. Rfc1 Qd8 17. Bg2 Ne4 18. Nf3 Rc7 19. Qe2 Rac8 20. Rc2 N8d6 21. Rac1 Nf7 22. Ne5 Nxe5 23. dxe5 Bf8 24. Bd4 b6 25. g4 Ba3 26. Rd1 Qe7 27. gxf5 gxf5 28. Kh1 Qh4 29. Bxe4 dxe4 30. c5 b5 31. Rg1+ Rg7 32. Qd1 Rc7 33. Rg5 Rxg5 34. fxg5 Rg7 35. Bb2 Bb4 36. Qd8+ Kf7 37. g6+ 1-0