or
Loading player profile…
FIDE ID 1193473 · born 2001 · last updated 5/12/2026
Standard
2016
Rapid
1847
Blitz
1856
Quick name search
Shortlist public Lichess and chess.com accounts for Kostecka via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
Searching public databases for known games of Kostecka…
Have your own PGNs? You can also paste them below once this finishes; or use Quick name search above to skip this step.
Real tournament games of Marika Kostecka from public sources. Select a game to replay it on the board.
All games
+0 =5 -2 · score 36% · 7 games
As White
+0 =3 -0 · score 50% · 3 games
As Black
+0 =2 -2 · score 25% · 4 games
Kaczmarska,Joanna(1866)
Kostecka,Marika(1928)½-½
Loading the game…
Select a game
As White
As Black
| Event | Games | Dates |
|---|---|---|
| TCh-POL 2nd League 2023 | 7 | 2023-09-02 to 2023-09-10 |
Prep report
Their repertoire vs yours
Once you have a candidate account, we cross-reference its opening tree against your imported games, surfacing the lines they play that you don’t know, the leaks in their repertoire you can punish, and the gaps in yours you’ll need to plug before the game.
Pick a candidate account above to unlock the report.
AI matching from found games
We already found 7 of Kostecka’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources: twic (7) - latest 9/10/2023
Helps match accounts whose display name is not written in Latin letters.
Costs 1 credit
Uses 1 credit. Results take a few minutes; the results page updates itself.