I think that credit might go to IBM:
https://en.wikipedia.org/wiki/TD-Gammon
It was a huge advancement but it did not beat the world champion. AlphaGo is noted for being a self-learning system that became better than all humans. Chess engines had long been there but were not self-learning before AlphaZero.
alt Hacker News
It was a huge advancement but it did not beat the world champion. AlphaGo is noted for being a self-learning system that became better than all humans. Chess engines had long been there but were not self-learning before AlphaZero.