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AlphaGo-AlphaGo Game 4: Reminders of Go Seigen, escalating trades and semeais, and a final ko

"With this game I get to talk about some moves in AlphaGo's opening that remind me of the great player Go Seigen," says Michael Redmond 9p in his game commentary on AlphaGo-AlphaGo Game 4. "The territory is very close throughout the game, while fighting in the center gradually escalates with trades and semeais to be calculated and discarded, and even during a final ko to kill a huge Black group, the correct variations leads to a half point difference." Click here for Redmond's nearly 90-minute video commentary, hosted by the AGA E-Journal’s Chris Garlock, and follow along with the sgf below, which as usual includes extra variations. The video is produced by Michael Wanek and Andrew Jackson. [sgf sgfUrl="http://www.usgo.org/news/wp-content/uploads/2017/08/2017.08.04_AlphaGo-AlphaGo-04-annotated-FINAL.sgf" href="http://www.usgo.org/news/wp-content/uploads/2017/08/2017.08.04_AlphaGo-AlphaGo-04-annotated-FINAL.sgf" class="alignright"] [/sgf]