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Acquisition of Chess Knowledge in Leela Chess Zero (Lc0)
by Alex Wilson
The following is an attempt to reproduce parts of the Acquisition of Chess Knowledge in AlphaZero paper.
This website mirrors the original paper's Online Supplement to visual non-negative matrix factorization-based representational space.
The following visualization describes concepts from Leela Chess Zero's ‘representational space’ (i.e., internal activations). 36 factors are extracted from the activations of each of the network's 15 ResNet blocks (factors aren't aligned between blocks).
You can use the left and right arrow keys to change Factors quickly
You can use the left and right arrow keys with shift to change Blocks quickly
Block
Factor