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FIDE ID 41821440· born 2013 · last updated 5/12/2026
FIDE standard
1491
FIDE rapid
1459
FIDE blitz
1504
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Shortlist public Lichess and chess.com accounts for Calko via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
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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 41821440 and do not have usable games for Calko yet. Paste games below to run repertoire matching by play pattern.
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