Ablating 1 of 128 attention heads breaks chess model's queen sacrifice

Weird-Asparagus4136 · reddit · 2026-08-23

Research shows that ablating just one of the 128 attention heads in the Maia-3 23m chess transformer causes the model to miss a famous queen sacrifice. The experiment used the chessformerlens library to probe internal mechanisms.

Original post →

More from Research

Research channel →