Does one have to be the master to be a master?
The claim trumpeted around the 'net is not that a computer program plays Go really well. The claim is that it is now better than any human. Of course, if you read the small print, there is a mention that it has not yet played the human world champion, but the overall thrust of the message is that Go is "done", the same way checkers and chess are "done" now.
DeepMind's go AI, called AlphaGo, has beaten the European champion with a score of 5-0. A match against top ranked human, Lee Se-dol, is scheduled for March.