Friedrich Koehnlein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| DSB-17.Kongress | ??/??/1910 | 0 |  Germany |
| DSB-15.Kongress-B | ??/??/1906 | 0 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C80 | Ruy Lopez, open (Tarrasch) defence | 2 games |
| B16 | Caro-Kann, Bronstein-Larsen variation | 1 games |
| C01 | French, exchange variation | 1 games |
| C14 | French, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |
| C27 | Vienna game | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
