American Go E-Journal

AlphaGo-AlphaGo Game 3: Three 3-3 invasions, a big moyo and a fight that fills the center of the board

Thursday August 3, 2017

This exciting game features an astonishing three invasions at the 3-3 point, prompting Michael Redmond 9p to note that “This version of AlphaGo 2017.08.03_AlphaGo vs. Alphago Game 3will invade here at any time when there is no urgent fighting going on. AlphaGo played an early invasion at the 3-3 in just two of the 60 Master series games, but that was shocking, as it defied the common knowledge of pros that such an early invasion should be bad. In this 50-game series AlphaGo played an early 3-3 invasion about 40 times.”

Click here for Redmond’s video commentary, hosted by the AGA E-Journal’s Chris Garlock, and follow along with the sgf below, which as usual includes extra variations.

“Black plays a big moyo game, and then chases an eyeless White group into Black’s moyo, to start a fight that fills the center of the board,” adds Redmond.

The video is produced by Michael Wanek and Andrew Jackson.

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