Efrain Acosta
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Santa Marta-ch 9th | ??/??/1999 | 74 | Colombia |
Most Played Openings as White
| ECO | Opening | Games |
| C20 | King's pawn game | 2 games |
| A34 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C41 | Philidor's defence | 1 games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 1 games |
| B00 | King's pawn opening | 1 games |


Colombia