Petri Piironen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Heart of Finland op 17th | 07/16/2007 | 2020 | Finland |
| Turku We TuTS op | 12/02/2005 | 1521 | Finland |
| Joensuu op | ??/??/1996 | 560 | Finland |
| Hyvinkaa op | ??/??/1994 | 456 | Finland |
Most Played Openings as White
| ECO | Opening | Games |
| B00 | King's pawn opening | 2 games |
| B12 | Caro-Kann defence | 1 games |
| C02 | French, advance variation | 1 games |
| C32 | King's Gambit Declined, Falkbeer, 5.de | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D80 | Gruenfeld defence | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| A25 | English, Sicilian reversed | 1 games |
| B26 | Sicilian, closed, 6.Be3 | 1 games |


Finland