Changes

'''AlphaZero''' is the best computer chess player in the world, built using a self-teaching algorithm whereby it improves by playing itself over and over.

'''AlphaZero''' is the best computer [[chess]] player in the world, built using a self-teaching algorithm whereby it improves by playing itself over and over.  AlphaZero uses game-playing [[Artificial intelligence]] developed by [[Google]]-run DeepMind.

It reportedly taught itself how to play chess in less than four hours, and then defeated the computer chess champion Stockfish 8 in a 100-game match.<ref>https://www.theguardian.com/technology/2017/dec/07/alphazero-google-deepmind-ai-beats-champion-program-teaching-itself-to-play-four-hours<ref>

It reportedly taught itself how to play chess in less than four hours, and then defeated the computer chess champion Stockfish 8 in a 100-game match.<ref>https://www.theguardian.com/technology/2017/dec/07/alphazero-google-deepmind-ai-beats-champion-program-teaching-itself-to-play-four-hours</ref>

Since 1997 computer chess players have been able to defeat the best human players.

Since 1997 computer chess players have been able to defeat the best human players.