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FIDE ID 3964841 · born 2009 · last updated 5/12/2026
Standard
1611
Rapid
1765
Blitz
1413
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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 3964841 and do not have usable games for Guatache Castillo yet. Paste games below to run repertoire matching by play pattern.
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