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FIDE ID 3700976· born 1993 · last updated 5/12/2026
FIDE standard
1944
FIDE rapid
1958
FIDE blitz
1990
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Shortlist public Lichess and chess.com accounts for Heinichen R. via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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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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