Constanze Jahn
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Frauenbundesliga 2018-19 | 10/27/2018 | 2173 | Germany |
| 15th European Club Cup Women | 10/17/2010 | 2304 | Bulgaria |
| GER-chT Regions (Women) | ??/??/2007 | 1848 | Germany |
| EU-Cup (Women) 12th | 10/03/2007 | 2130 | Turkey |
Constanze Jahn Opening Repertoire with White pieces
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 112 games |
| B07 | Pirc defence | 21 games |
| B50 | Sicilian | 16 games |
| C01 | French, exchange variation | 14 games |
Constanze Jahn Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B42 | Sicilian, Kan, 5.Bd3 | 23 games |
| B43 | Sicilian, Kan, 5.Nc3 | 20 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 18 games |
| B41 | Sicilian, Kan variation | 17 games |
Germany
Female
FIDE ID:

Bulgaria
Turkey