Gustave Simonson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Manhattan CC-Franklin CC | ??/??/1911 | 0 | United States |
| Manhattan CC-Franklin CC | ??/??/1909 | 0 | United States |
| Manhattan CC-Franklin CC | ??/??/1908 | 0 | United States |
| New York exh | ??/??/1908 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C67 | Ruy Lopez, Berlin defence, open variation | 2 games |
| C56 | Two knights defence | 1 games |
| C01 | French, exchange variation | 1 games |
| C84 | Ruy Lopez, closed defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C48 | Four knights, Spanish variation | 1 games |
| C28 | Vienna game | 1 games |
| C67 | Ruy Lopez, Berlin defence, open variation | 1 games |
| C34 | King's gambit accepted | 1 games |


United States