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FIDE ID 21876878· born 2006 · last updated 9/24/2026
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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 21876878 and do not have usable games for Peterson yet. Paste games below to run repertoire matching by play pattern.
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