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FIDE ID 21880808 · born 2007 · last updated 5/12/2026
Standard
1897
Rapid
1871
Blitz
1870
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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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AI matching by sample game
We checked our stored public PGN sources for FIDE ID 21880808 and do not have usable games for Jakubiec yet. Paste games below to run repertoire matching by play pattern.
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