Michael Jonas
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| OL Wuert 8788 | ??/??/1987 | 202 | Germany |
| OL Wuert 8687 | ??/??/1986 | 247 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 1 games |
| A17 | English opening | 1 games |
| A16 | English opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C10 | French, Paulsen variation | 1 games |
| A16 | English opening | 1 games |
| A37 | English, symmetrical variation | 1 games |
| A96 | Dutch, classical variation | 1 games |


Germany