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FIDE ID 14140764· born 1947 · last updated 5/12/2026
FIDE standard
1903
FIDE rapid
1912
FIDE blitz
1843
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Shortlist public Lichess and chess.com accounts for Kostik via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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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 14140764 and do not have usable games for Kostik yet. Paste games below to run repertoire matching by play pattern.
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