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FIDE ID 54780152· born 2014 · last updated 5/12/2026
FIDE standard
1535
FIDE rapid
1541
FIDE blitz
1544
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Shortlist public Lichess and chess.com accounts for Roo Guillan via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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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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