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FIDE ID 4122577· born 1951 · last updated 5/12/2026
FIDE standard
2090
FIDE rapid
1994
FIDE blitz
1994
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Shortlist public Lichess and chess.com accounts for Tkachenko 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 4122577 and do not have usable games for Tkachenko yet. Paste games below to run repertoire matching by play pattern.
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