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FIDE ID 556009526· born 1951 · last updated 9/24/2026
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FIDE standard
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FIDE rapid
1494
FIDE blitz
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Shortlist public Lichess and chess.com accounts for Halvorsen via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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AI matching by sample game
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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 556009526 and do not have usable games for Halvorsen yet. Paste games below to run repertoire matching by play pattern.
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