Benjamin Castellano
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| San Cristobal op | 05/??/1998 | 428 |  Paraguay |
| San Cristobal op | ??/??/1995 | 490 | Paraguay |
Most Played Openings as White
| ECO | Opening | Games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
| A46 | Queen's pawn game | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| A28 | English, four knights system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 1 games |
| A14 | English, Neo-Catalan declined | 1 games |
| C45 | Scotch game | 1 games |
| D02 | Queen's pawn game | 1 games |
