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ICF ID 21403 · last updated 8/23/2026
ICF standard
1671
ICF rapid
-
ICF blitz
-
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Shortlist public Lichess and chess.com accounts for ארווין שטרן via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
Searching public databases for known games ofארווין שטרן…
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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 21403 and do not have usable games for ארווין שטרן yet. Paste games below to run repertoire matching by play pattern.
AI Scout can surface accounts even when their handle looks nothing like their name; the right game count is benchmarked on /how-it-works.