Thaddee Sionkowski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Paris op-C | ??/??/1998 | 23 | France |
Most Played Openings as White
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C16 | French, Winawer, advance variation | 1 games |


France