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FIDE ID 54730309· born 1954 · last updated 9/24/2026
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Shortlist public Lichess and chess.com accounts for Mancebo Alonso via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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Their repertoire vs yours
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We checked our stored public PGN sources for FIDE ID 54730309 and do not have usable games for Mancebo Alonso yet. Paste games below to run repertoire matching by play pattern.
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