Mario J Herrera
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Mercosur-ch U18 | 02/03/2001 | 102 |  Paraguay |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| C41 | Philidor's defence | 1 games |
| Name: | Mario J Herrera |
| Federation: | Paraguay |
| Sex: |
 Male
|
| Born: | 1982 |
 FIDE ID: |
3700631 FIDE Profile |
| ELO Classic: | 1970 |
| ELO Blitz: | 1972 |
| Years: | 2001 - 2001 |
| Total Games: | 1 |
| Wins: | 0 (0 %) |
| Draws: | 0 (0 %) |
| Losses: | 1 (100 %) |
| Score: | 0 % |
Games played by Mario J Herrera
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Cubas Berdnavek, R | 2122 | Herrera, M | 1-0  |
23 | C41 | 2001 | Mercosur-ch U18 |
|