Sonja Mahler
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Open | 06/13/2009 | 1630 | Czech Republic |
| Berlin Unicorn op | 05/16/2007 | 1409 | Germany |
| Berlin op 08 | 08/19/2006 | 1749 | Germany |
| Berlin op 05 | 05/24/2006 | 1635 | Germany |
Sonja Mahler Opening Repertoire with White pieces
| ECO | Opening | Games |
| D02 | Queen's pawn game | 18 games |
| A45 | Queen's pawn game | 3 games |
| D00 | Queen's pawn game | 3 games |
| A48 | King's Indian, East Indian defence | 3 games |
Sonja Mahler Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C60 | Ruy Lopez (Spanish opening) | 3 games |
| D00 | Queen's pawn game | 2 games |
| C62 | Ruy Lopez, old Steinitz defence | 2 games |
| A36 | English, symmetrical variation | 1 games |
Germany
Female
FIDE ID:

Czech Republic