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FIDE ID 684481· born 1998 · last updated 9/24/2026
Search for the accounts Guillaume Mattera plays online, then open one to see its openings and practice the lines.
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No tournament games of Guillaume Mattera are on file yet, so this search uses their name, country and rating. Adding their games under More options makes it stronger.
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Helps match accounts whose display name is not written in Latin letters.
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Results are leads to check, not proof of who owns an account.
Search for Guillaume Mattera's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.