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FIDE ID 12923419 · born 1956 · last updated 5/12/2026
Standard
1993
Rapid
-
Blitz
1957
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Shortlist public Lichess and chess.com accounts for Schaefer 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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We checked our stored public PGN sources for FIDE ID 12923419 and do not have usable games for Schaefer yet. Paste games below to run repertoire matching by play pattern.
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