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FIDE ID 21861137 · born 1944 · last updated 5/12/2026
Standard
1583
Rapid
1558
Blitz
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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 21861137 and do not have usable games for Chrostowski yet. Paste games below to run repertoire matching by play pattern.
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