Nikolajs Kovaljovs
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EU-ch U10 | ??/??/1997 | 99 | Estonia |
Most Played Openings as White
| ECO | Opening | Games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 1 games |
| D52 | Queen's Gambit Declined | 1 games |
| D85 | Gruenfeld, exchange variation | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B53 | Sicilian, Chekhover variation | 2 games |
| B25 | Sicilian, closed | 2 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 1 games |


Estonia