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FIDE ID 79346278· born 2013 · last updated 9/24/2026
Search for the accounts Viktor Kostanic 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 Viktor Kostanic 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 Viktor Kostanic's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.