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FIDE ID 21039739 · born 2004 · last updated 5/12/2026
Standard
1546
Rapid
1569
Blitz
1555
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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 21039739 and do not have usable games for Mrozinski yet. Paste games below to run repertoire matching by play pattern.
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