AlphaZero heavily used architecture developed for AlphaGo, an in this sense there is some prior embedded in the architecture, but to jump-start development of t

AlphaZero heavily used architecture developed for AlphaGo, an in this sense there is some prior embedded in the architecture, but to jump-start development of this fine-tuned architecture human prior was useful. I.e. path from nothing to AlphaZero would be more difficult then nothing->AlphaGo->AlphaZero, imho.