A. Jakob
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Wch Seniors | 11/??/1993 | 475 | Germany |
| Wch Seniors | ??/??/1991 | 515 | Germany |
| DSB-16.Kongress | 08/03/1908 | 0 | Germany |
A. Jakob Opening Repertoire with White pieces
| ECO | Opening | Games |
| C01 | French, exchange variation | 5 games |
| D40 | Queen's Gambit Declined, Semi-Tarrasch defence | 2 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| B50 | Sicilian | 1 games |
A. Jakob Opening Repertoire with Black pieces
| ECO | Opening | Games |
| D30 | Queen's gambit declined | 2 games |
| B30 | Sicilian defence | 2 games |
| E00 | Queen's pawn game | 1 games |
| A36 | English, symmetrical variation | 1 games |


Germany