Jacob Erdmann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Regionalliga NW 0203 | 10/20/2002 | 1977 | Germany |
| RH-op2 | ??/??/1993 | 0 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 2 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D02 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E01 | Catalan, closed | 1 games |
| D05 | Queen's pawn game | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |


Germany