D. Ackermann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Berliner Sommer 16th | 08/08/1998 | 1727 | Germany |
| Porz op 24th | ??/??/1990 | 404 | Germany |
| Hessen-ch qual-D | ??/??/1989 | 378 | Germany |
| Wiesbaden op | ??/??/1988 | 331 | Germany |
D. Ackermann Opening Repertoire with White pieces
| ECO | Opening | Games |
| A57 | Benko gambit | 1 games |
| A64 | Benoni, fianchetto, 11...Re8 | 1 games |
| C55 | Two knights defence | 1 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1 games |
D. Ackermann Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C40 | King's knight opening | 2 games |
| C83 | Ruy Lopez, open, classical defence | 1 games |
| C56 | Two knights defence | 1 games |
| D66 | Queen's Gambit Declined, Orthodox defence, Bd3 line | 1 games |


Germany