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FIDE ID 13516612· born 1950 · last updated 5/12/2026
FIDE standard
1826
FIDE rapid
1781
FIDE blitz
-
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Prep report
Their repertoire vs yours
Once you have a candidate account, we cross-reference its opening tree against your imported games, surfacing the lines they play that you don’t know, the leaks in their repertoire you can punish, and the gaps in yours you’ll need to plug before the game.
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We checked our stored public PGN sources for FIDE ID 13516612 and do not have usable games for Kostsiuk yet. Paste games below to run repertoire matching by play pattern.
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