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FIDE ID 91117062· born 1999 · last updated 5/12/2026
FIDE standard
1690
FIDE rapid
1516
FIDE blitz
1493
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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.
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AI matching by sample game
We checked our stored public PGN sources for FIDE ID 91117062 and do not have usable games for Koszarek yet. Paste games below to run repertoire matching by play pattern.
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