J. Feuerstein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| HUN tour sim | ??/??/1917 | 0 | Hungary |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| C49 | Four knights, double Ruy Lopez | 1 games |


Hungary