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FIDE ID 24690635· born 1938 · last updated 9/24/2026
Search for the accounts Haack, Udo, Dr. plays online, then open one to see its openings and practice the lines.
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No tournament games of Haack, Udo, Dr. 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 Haack, Udo, Dr.'s online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.