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FIDE ID 4400100 · born 1943 · last updated 5/12/2026
Standard
1972
Rapid
1986
Blitz
2006
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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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