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FIDE ID 1506510 · born 1968 · last updated 5/12/2026
Standard
1810
Rapid
1801
Blitz
1812
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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 1506510 and do not have usable games for Willumsen yet. Paste games below to run repertoire matching by play pattern.
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