G. Sonnhalter
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| St Ingbert op | 08/??/1991 | 628 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A23 | English, Bremen system, Keres variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |


Germany