4B chess language model plays at grandmaster level and explains its moves in natural language

WeijiaShi2 · x · 2026-10-06

A Princeton team trained a 4B-parameter chess language model that plays at typical grandmaster level and explains its moves in natural language. The work required architectural and algorithmic innovation — a natural-language analogue of the AlphaZero algorithm — and the authors say it generalizes to other domains, presented around COLM.

Related event: Princeton's QUEEN: 4B Chess-Language Model Reaches Grandmaster Level(7 posts)→

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