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FIDE ID 41853415 · born 1992 · last updated 5/12/2026
Standard
1709
Rapid
1524
Blitz
1429
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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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We checked our stored public PGN sources for FIDE ID 41853415 and do not have usable games for Koszarek yet. Paste games below to run repertoire matching by play pattern.
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