JC. Marquez
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| La Falda op | ??/??/1977 | 532 | Argentina |
| ARG-chT | ??/??/1969 | 0 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| C70 | Ruy Lopez | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A69 | Benoni, four pawns attack, main line | 1 games |


Argentina