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FIDE ID 41858581 · born 1985 · last updated 5/12/2026
Standard
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Rapid
1632
Blitz
1741
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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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We checked our stored public PGN sources for FIDE ID 41858581 and do not have usable games for Heffner yet. Paste games below to run repertoire matching by play pattern.
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