Y. Matomma
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Tolima clasif op | 07/17/2001 | 545 | Colombia |
Most Played Openings as White
| ECO | Opening | Games |
| B28 | Sicilian, O'Kelly variation | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B80 | Sicilian, Scheveningen variation | 1 games |
| C50 | King's pawn game | 1 games |
| A25 | English, Sicilian reversed | 1 games |
| C51 | Evans gambit declined | 1 games |


Colombia