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FIDE ID 523004223· born 2011 · last updated 5/12/2026
FIDE standard
1541
FIDE rapid
1571
FIDE blitz
1611
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Shortlist public Lichess and chess.com accounts for Crespo Martin 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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