ネットの謎の棋士はグーグルの囲碁ソフト
http://www3.nhk.or.jp/news/html/20170105/k10010829821000.html

アルファ碁が進化　「匿名」対戦でトップ棋士ら撃破
http://www.nikkei.com/article/DGXLASFG05H5W_V00C17A1000000/

ネット上の謎棋士「マスター」、正体はアルファ碁進化版
http://www.asahi.com/articles/ASK151P83K15UCLV002.html

世界トップ棋士を相手に連戦連勝した謎の棋士の正体はGoogleのAlphaGo
http://gigazine.net/news/20170105-mystery-go-master-alphago/

Google’s AlphaGo Is Slaying Unsuspecting Nerds Online
http://gizmodo.com/google-s-alphago-is-slaying-unsuspecting-nerds-online-1790761828

DeepMind secretly unleashed its Go-playing AI online, and it beat some of the world's best players 50-0
http://uk.businessinsider.com/deepmind-secretly-uploaded-its-alphago-ai-onto-the-internet-2017-1

AlphaGo is back, and secretly crushing the world’s best human players
http://arstechnica.co.uk/information-technology/2017/01/alphago-is-back-and-secretly-crushing-the-worlds-best-human-players/