Gary Marcus uses ChessBench to argue LLMs are still weak at chess
GaryMarcus · x · 2026-07-29
Gary Marcus mocked the idea that current LLMs are anywhere near “smarter than the smartest humans,” pointing to chess as a simple counterexample.
He cited @Kasparov63’s peak rating of 2851 and argued that Kasparov might have beaten the best commercial LLMs in chess even as a 7-year-old. The post also references ChessBench, a new benchmark for language models, which visualizes how different models score on coherence, accuracy, and Elo in chess-related tasks.
In other words: the benchmark is being used to underline a broader point that language models still fall far short of robust game-playing competence, despite AGI hype.
Related event: Gary Marcus Refutes LLM AGI Claims Using Chess Skills(2 posts)→
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