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FIDE ID 26004682· born 1938 · last updated 5/12/2026
FIDE standard
1677
FIDE rapid
-
FIDE blitz
-
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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 26004682 and do not have usable games for Heinsius yet. Paste games below to run repertoire matching by play pattern.
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