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FIDE ID 4211766 · born 1988 · last updated 5/12/2026
Standard
2004
Rapid
2001
Blitz
1990
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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 4211766 and do not have usable games for Koumpenas yet. Paste games below to run repertoire matching by play pattern.
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