Gerd Ackerhans
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dortmund op-B | 06/22/2007 | 1491 | Germany |
| Dortmund op-B | 07/??/2004 | 1489 | Germany |
| Dortmund op-B | 07/??/2001 | 198 | Germany |
| Dortmund op-B | 07/??/1999 | 190 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A28 | English, four knights system | 4 games |
| A22 | English opening | 2 games |
| A38 | English, symmetrical variation | 2 games |
| A37 | English, symmetrical variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 6 games |
| B18 | Caro-Kann, classical variation | 4 games |
| A00 | Polish (Sokolsky) opening | 2 games |
| A30 | English, symmetrical variation | 1 games |


Germany