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FIDE ID 5140056 · born 1939 · last updated 5/12/2026
Standard
1697
Rapid
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Blitz
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Shortlist public Lichess and chess.com accounts for Guerrero Diaz 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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AI matching by sample game
We checked our stored public PGN sources for FIDE ID 5140056 and do not have usable games for Guerrero Diaz yet. Paste games below to run repertoire matching by play pattern.
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