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FIDE ID 21850356· born 1984 · last updated 5/12/2026
FIDE standard
-
FIDE rapid
1673
FIDE blitz
-
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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 21850356 and do not have usable games for Kosakowska-Jaroch yet. Paste games below to run repertoire matching by play pattern.
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