CSSLab

A new open-source toolkit, chessformer_lens, localizes a knight fork to a single attention head in the Maia-3 chess transformer, with ablating head 5 costing 2.78 logits versus ≤0.14 for other heads i…

The University of Toronto's Computational Social Science Lab released and open-sourced Maia-3, a chess engine that predicts human moves rather than optimal ones, on Tuesday. The model achieves a 57.1%…