Diogo A Costa
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POR-ch U16 | 04/07/2001 | 1434 | Portugal |
| Aveiro Univ op | ??/??/1998 | 439 | Portugal |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C00 | French defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C30 | King's gambit | 1 games |
| D12 | Queen's Gambit Declined Slav, 4.e3 Bf5 | 1 games |
| C50 | King's pawn game | 1 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |


Portugal