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FIDE ID 21015600· born 2009 · last updated 9/24/2026
Search for the accounts Karol Marszalek plays online, then open one to see its openings and practice the lines.
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No tournament games of Karol Marszalek 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 Karol Marszalek's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.