J. Maruskin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SVK-chT2 9798 | ??/??/1997 | 1194 | Slovakia |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B35 | Sicilian, accelerated fianchetto, modern variation with Bc4 | 2 games |
| D86 | Gruenfeld, exchange, classical variation | 1 games |
| A18 | English, Mikenas-Carls variation | 1 games |


Slovakia