R. Theissen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Koblenz op | 05/??/1992 | 85 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 1 games |
| C07 | French, Tarrasch, open variation | 1 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E94 | King's Indian, orthodox variation | 1 games |
| E69 | King's Indian, fianchetto, classical main line | 1 games |
