DeepMind, Google Brain & World Chess Champion Explore How AlphaZero Learns Chess Knowledge

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Deep neural networks are known to learn opaque, uninterpretable representations that lie beyond the grasp of human understanding. As such, from both scientific and practical viewpoints, it is intriguing to explore what is actually being learned and how in the case of superhuman self-taught neural network agents such as AlphaZero.

In the new paper Acquisition of Chess Knowledge in AlphaZero, DeepMind and Google Brain researchers and former World Chess Champion Vladimir Kramnik explore how and to what extent human knowledge is acquired by AlphaZero and how chess concepts are represented in its network. They do this via comprehensive concept probing, behavioural analysis, and examination of AlphaZero’s activations.

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