Mafel Castellanos
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Barranquilla Carnaval Cup 10th | ??/??/1999 | 541 |  Colombia |
| Palma de Mallorca op | 04/??/1991 | 1159 |  Spain |
Most Played Openings as White
| ECO | Opening | Games |
| E70 | King's Indian, 4.e4 | 2 games |
| A23 | English, Bremen system, Keres variation | 1 games |
| A31 | English, symmetrical, Benoni formation | 1 games |
| A35 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| C45 | Scotch game | 1 games |
| C02 | French, advance variation | 1 games |
