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FIDE ID 5101050 · born 1957 · last updated 5/12/2026
Standard
1805
Rapid
1999
Blitz
1975
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Shortlist public Lichess and chess.com accounts for Castillo Castelan 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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We checked our stored public PGN sources for FIDE ID 5101050 and do not have usable games for Castillo Castelan yet. Paste games below to run repertoire matching by play pattern.
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