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FIDE ID 6405274· born 1968 · last updated 5/12/2026
FIDE standard
1982
FIDE rapid
2009
FIDE blitz
1918
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Shortlist public Lichess and chess.com accounts for Castillo Rosa via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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Prep report
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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