Ekaterina Efimova
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| RUS-ch U12 Girls | ??/??/2000 | 0 | Russian Federation |
| RUS-ch U10 Girls | ??/??/1999 | 0 | Russian Federation |
Most Played Openings as White
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 2 games |
| C55 | Two knights defence | 2 games |
| D02 | Queen's pawn game | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C28 | Vienna game | 1 games |
| C62 | Ruy Lopez, old Steinitz defence | 1 games |
| C46 | Three knights game | 1 games |
| D00 | Queen's pawn game | 1 games |


Russian Federation