M. Sonnenschein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Brooklyn CC-Chicago CC | ??/??/1905 | 0 |  United States |
| Franklin CC-Chicago CC | ??/??/1905 | 0 | United States |
| Manhattan CC-Chicago CC | ??/??/1905 | 0 | United States |
| Chicago CC-Twin Cities CC | ??/??/1904 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C41 | Philidor's defence | 1 games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C22 | Centre game | 1 games |
| C43 | Petrov, modern (Steinitz) attack | 1 games |
| D67 | Queen's Gambit Declined, Orthodox defence, Bd3 line, Capablanca freeing manoevre | 1 games |
