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FIDE ID 21862338 · born 2006 · last updated 5/12/2026
Standard
1552
Rapid
1618
Blitz
1618
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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 21862338 and do not have usable games for Siemieniak yet. Paste games below to run repertoire matching by play pattern.
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