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FIDE ID 34338055· born 2008 · last updated 9/24/2026
Search for the accounts Matvey Kostyuk plays online, then open one to see its openings and practice the lines.
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FIDE rapid
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FIDE blitz
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No tournament games of Matvey Kostyuk 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 Matvey Kostyuk's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.