Jahn
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Cologne op | ??/??/1987 | 338 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A86 | Dutch with c4 & g3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| Name: | Jahn |
| Federation: |  |
| Years: | 1987 - 1987 |
| Total Games: | 1 |
| Wins: | 0 (0 %) |
| Draws: | 1 (100 %) |
| Losses: | 0 (0 %) |
| Score: | 50 % |
Games played by Jahn
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Jahn, | Marosvary, | ½-½  |
49 | A86 | 1987 | Cologne op |
|