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FIDE ID 3338894· born 2006 · last updated 5/12/2026
FIDE standard
1541
FIDE rapid
1491
FIDE blitz
1560
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Shortlist public Lichess and chess.com accounts for Maertens Sandoval 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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