Sonja Petkovic
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Baunatal op 4th | 08/??/1998 | 647 |  Germany |
Sonja Petkovic Repertoire with White pieces (most played)
| ECO | Opening | Games |
| B88 | Sicilian, Sozin, Leonhardt variation | 1 games |
| B32 | Sicilian defence | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
Sonja Petkovic Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| A52 | Budapest defence | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
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