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FIDE ID 4195876 · born 1989 · last updated 5/12/2026
Standard
2022
Rapid
1980
Blitz
2024
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Shortlist public Lichess and chess.com accounts for Kostina 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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We checked our stored public PGN sources for FIDE ID 4195876 and do not have usable games for Kostina yet. Paste games below to run repertoire matching by play pattern.
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