Joachim Sonntag
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dortmund4 | 04/26/2006 | 1846 | Germany |
| Dortmund op1 | 03/06/2006 | 1550 | Germany |
| Dortmund op | 01/19/2006 | 1471 | Germany |
| Dortmund1 | 10/14/2005 | 1506 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 7 games |
| B07 | Pirc defence | 2 games |
| B95 | Sicilian, Najdorf, 6...e6 | 2 games |
| B18 | Caro-Kann, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D02 | Queen's pawn game | 3 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 2 games |
| A00 | Polish (Sokolsky) opening | 2 games |


Germany