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FIDE ID 41811569· born 2009 · last updated 9/24/2026
Search for the accounts Marcel Bartosiewicz plays online, then open one to see its openings and practice the lines.
FIDE standard
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FIDE rapid
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FIDE blitz
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No tournament games of Marcel Bartosiewicz 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 Marcel Bartosiewicz's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.