The best calculator Rogoff played against was a Yugoslav player named Lubie (ranked 2nd or 3rd), who beat Rogoff at age 16; Lubie demonstrated 15+ move calculations that Rogoff, despite trying to find the best line, could not match, suggesting calculation depth as a distinct skill from overall play strength.
factualpending
Speaker
Kenneth RogoffEvidence Quote
“the best calculator I ever played was actually a Yuguslaw player reached second or third named Lubie...10 moves. And he goes...15 moves.”
Source
Kenneth Rogoff on Monetary Moves, Fiscal Gambits, and Classical Chess | Conversations with Tyler— Mercatus CenterCreated: 8/11/2026, 7:10:38 AM
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