Constantino Berruga Mendieta
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Burjasot Preferente | ??/??/1995 | 29 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| B23 | Sicilian, closed | 2 games |
| C44 | King's pawn game | 1 games |
| C42 | Petrov's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D80 | Gruenfeld defence | 1 games |
| B12 | Caro-Kann defence | 1 games |
| E05 | Catalan, open, classical line | 1 games |


Spain