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FIDE ID 523091703 · born 1974 · last updated 5/12/2026
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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 523091703 and do not have usable games for Rivera Marquez yet. Paste games below to run repertoire matching by play pattern.
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