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FIDE ID 545065845· born 1988 · last updated 5/12/2026
FIDE standard
-
FIDE rapid
1491
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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AI matching by sample game
We checked our stored public PGN sources for FIDE ID 545065845 and do not have usable games for Mastalski yet. Paste games below to run repertoire matching by play pattern.
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