| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Day vs L Piasetski |
 | 1-0 | 39 | 1969 | Tournoi de L'est | E61 King's Indian |
| 2. L Piasetski vs K Pohl |
| ½-½ | 56 | 1969 | Canadian Championship | C00 French Defense |
| 3. L Piasetski vs M Schulman |
| 1-0 | 35 | 1969 | Canadian Championship | B32 Sicilian |
| 4. W Dobrich vs L Piasetski |
| 0-1 | 40 | 1969 | Canadian Championship | B10 Caro-Kann |
| 5. Z Vranesic vs L Piasetski |
| 1-0 | 58 | 1969 | Canadian Championship | E80 King's Indian, Samisch Variation |
| 6. L Piasetski vs C Coudari |
| ½-½ | 54 | 1969 | Canadian Championship | E91 King's Indian |
| 7. L Piasetski vs Larsen |
| 0-1 | 29 | 1970 | Canadian Open | A04 Reti Opening |
| 8. G Brodeur vs L Piasetski |
| 0-1 | 53 | 1970 | Canadian Open | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 9. L Day vs L Piasetski |
| 1-0 | 44 | 1971 | Ontario Open | A56 Benoni Defense |
| 10. I Hambleton vs L Piasetski |
| 1-0 | 47 | 1971 | Canadian Open | A16 English |
| 11. S Pakosta vs L Piasetski |
| 0-1 | 70 | 1971 | Canadian Open | A02 Bird's Opening |
| 12. N Weinstein vs L Piasetski |
| 1-0 | 42 | 1972 | USA op | B05 Alekhine's Defense, Modern |
| 13. L Piasetski vs J Berry |
| ½-½ | 57 | 1972 | Canadian Championship | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 14. G Fuster vs L Piasetski |
| 0-1 | 38 | 1972 | Canadian Championship | A32 English, Symmetrical Variation |
| 15. L Piasetski vs P Selick |
| 1-0 | 22 | 1972 | Canadian Championship | B76 Sicilian, Dragon, Yugoslav Attack |
| 16. R Smook vs L Piasetski |
| 0-1 | 28 | 1972 | Canadian Championship | A58 Benko Gambit |
| 17. L Piasetski vs B Markov |
| 1-0 | 55 | 1972 | Canadian Championship | A01 Nimzovich-Larsen Attack |
| 18. G Kuprejanov vs L Piasetski |
| 1-0 | 35 | 1972 | Canadian Championship | B46 Sicilian, Taimanov Variation |
| 19. L Piasetski vs J Labelle |
| 0-1 | 39 | 1972 | Canadian Championship | C82 Ruy Lopez, Open |
| 20. R Zuk vs L Piasetski |
| 1-0 | 57 | 1972 | Canadian Championship | B05 Alekhine's Defense, Modern |
| 21. L Piasetski vs Z Vranesic |
| ½-½ | 40 | 1972 | Canadian Championship | B85 Sicilian, Scheveningen, Classical |
| 22. L Piasetski vs E Macskasy |
| ½-½ | 57 | 1972 | Canadian Championship | A06 Reti Opening |
| 23. P Biyiasas vs L Piasetski |
| 0-1 | 52 | 1972 | Canadian Championship | A00 Uncommon Opening |
| 24. L Piasetski vs C Coudari |
| 0-1 | 53 | 1972 | Canadian Championship | D90 Grunfeld |
| 25. B Amos vs L Piasetski |
| 0-1 | 36 | 1972 | Canadian Championship | A75 Benoni, Classical with ...a6 and 10...Bg4 |
Kibitzing
