Rafael Acosta
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Honor Club Chile op | 04/26/2004 | 1758 |  Chile |
| Pan American-ch | ??/??/1997 | 106 |  Venezuela |
Most Played Openings as White
| ECO | Opening | Games |
| B02 | Alekhine's defence | 2 games |
| B30 | Sicilian defence | 1 games |
| B78 | Sicilian, dragon, Yugoslav attack, 10.O-O-O | 1 games |
| B50 | Sicilian | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B13 | Caro-Kann, exchange variation | 1 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| B12 | Caro-Kann defence | 1 games |
| C64 | Ruy Lopez, classical (Cordel) defence | 1 games |
