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FIDE ID 22259422· born 1991 · last updated 5/12/2026
FIDE standard
1671
FIDE rapid
1744
FIDE blitz
1794
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Shortlist public Lichess and chess.com accounts for Prieto Juan 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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