Nahuel Martearena
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Orense op | ??/??/1997 | 780 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| C89 | Ruy Lopez, Marshall counter-attack | 1 games |
| C78 | Ruy Lopez, 5.O-O | 1 games |
| B28 | Sicilian, O'Kelly variation | 1 games |
| C92 | Ruy Lopez, closed, 9.h3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| C55 | Two knights defence | 2 games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |


Spain