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Comment by bronz | Hacker News Reader

Who was the GO professional commentator? He was consistently predicting the moves of both Sedol and alphago. I was extremely impressed.

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As the only 9p player in the western world, Michael Redmond is of course very impressive.

Chris Garlock, on the other hand, doesn't add that much value to the broadcast. Maybe somebody will start a "Left Commentator" meme, just like Left Shark.

It would be great if his co-commentator was a computer scientist who is knowledgeable about AlphaGo's algorithm.

Indeed, I wish someone could talk about how the value/policy thing works.

As I understand it, the value network takes the place of the heuristic for scoring a given board layout, and the policy network takes the place of the heuristic for ordering moves from most to least promising.

When searching the game tree, at each ply the most promising N moves are examined (as determined by the policy network) and leaves of the game tree are scored by the value network.

I don't think that's fair at all to Chris. As someone who has never watched GO before, he kept the topic often to very beginner level questions, and often kept Michael on topic a little bit. I would say Chris added a lot of value to my experience, although this is the first time watching either of them.

I mean it's classic sports broadcasting. You have the expert and the guys who gives the expert someone to back and forth with. E-sports has been using that formula for ever.

Michael Redmond. I thought he was excellent too, and I really liked his willingness to jump into hypothetical situations and play it out. Really, really good commentator.

Michael Redmond, 9p

Closing in on nearly 600 career championship wins.

https://en.wikipedia.org/wiki/Michael_Redmond_%28Go_player%2...

http://gobase.org/information/players/?pp=Michael%20Redmond

I was also super impressed. I know him as マイケルレドモンド (Michael Redmond in Katakana), and it was the first time I saw him speak English. He's fluent in Japanese and frequently commentates on matches in Japan. This is a video of him commentating on the Meijin title matches.

https://www.youtube.com/watch?v=oSbN2AveJuc

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