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FIDE ID 553004949· born 1965 · last updated 5/12/2026
FIDE standard
1600
FIDE rapid
1762
FIDE blitz
-
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Shortlist public Lichess and chess.com accounts for Castrillo Mazagatos via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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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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