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FIDE ID 519251· born 1946 · last updated 9/24/2026
Search for the accounts Claus Montonen plays online, then open one to see its openings and practice the lines.
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FIDE rapid
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No tournament games of Claus Montonen 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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Results are leads to check, not proof of who owns an account.
Search for Claus Montonen's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.