Alfred Jacob
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| FRG-ch U20 | 08/??/1969 | 0 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| D30 | Queen's gambit declined | 1 games |
| D79 | Neo-Gruenfeld, 6.O-O, main line | 1 games |
| A12 | English, Caro-Kann defensive system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 3 games |
| A24 | English, Bremen system with ...g6 | 1 games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
| B06 | Robatsch (modern) defence | 1 games |


Germany