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FIDE ID 21064369 · born 2000 · last updated 5/12/2026
Standard
1555
Rapid
1659
Blitz
1591
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Shortlist public Lichess and chess.com accounts for Kozak 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 Kozak…
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Real tournament games of Jan Kozak from public sources. Select a game to replay it on the board.
All games
+1 =3 -6 · score 25% · 10 games
As White
+1 =2 -2 · score 40% · 5 games
As Black
+0 =1 -4 · score 10% · 5 games
Dziolko,Wiktor(1225)
Kozak,Jan(1316)1-0
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As White
As Black
| Event | Games | Dates |
|---|---|---|
| 277th YMCA Summer B 2023 | 10 | 2023-07-04 to 2023-08-10 |
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 10 of Kozak’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources: twic (10) - latest 8/10/2023
Helps match accounts whose display name is not written in Latin letters.
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Uses 1 credit. Results take a few minutes; the results page updates itself.