Dorota Kostek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-ch U16 Girls | ??/??/1998 | 272 | Poland |
| POL-ch sf U16 Girls | ??/??/1997 | 0 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| A85 | Dutch with c4 & Nc3 | 2 games |
| D12 | Queen's Gambit Declined Slav, 4.e3 Bf5 | 1 games |
| D02 | Queen's pawn game | 1 games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C41 | Philidor's defence | 5 games |
| C30 | King's gambit | 1 games |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 1 games |
| C47 | Four knights, Scotch variation | 1 games |


Poland