[Event "Canadian op"]
[Site "St John"]
[Date "1970.07.30"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2188"]
[BlackElo "2630"]

1. Nf3 f5 2. d4 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 O-O 7. Bd3 d5 8. exf5 exf5 9. O-O Nc6 10. c3 Qd6 11. Qc2 g6 12. Rfe1 Bd7 13. Nb3 b6 14. Re2 Rae8 15. Rae1 Re4 16. Bxe4 fxe4 17. Nfd2 Bh4 18. Nf1 Nd8 19. c4 c6 20. Ne3 Ne6 21. Rf1 Bd8 22. Rd1 Nf4 23. Ree1 Bc7 24. Nf1 Bg4 25. Rd2 Nxg2 26. Re3 Nxe3 27. fxe3 Qf6 28. Rf2 Bf3 29. Ng3 Qh4 0-1