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FIDE ID 6509517 · born 1986 · last updated 5/12/2026
Standard
1531
Rapid
1567
Blitz
1464
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Shortlist public Lichess and chess.com accounts for Rojas Guillen via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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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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