Game: 2017.08.28_AlphaGo-AlphaGo_Game 05 annotated-draft version
          Event: AlphaGo-AlphaGo
          Round: Game 5
          Commentor: Michael Redmond 9P
       
          - - -
       
          Black ( X ): AlphaGo
       
          White ( O ): AlphaGo
       
          Komi: 7.5
          Rules: Chinese
       
       
       
       Move #20
       
          A B C D E F G H I J K L M N O P Q R S
        1 . . . . . . . . . . . . . . . . . . .
        2 . . . . . . . . . . . . . . . . . . .
        3 . . . O . O . . . . . . . . X O . . .
        4 . . O . . . . . . . . . . . X . O . .
        5 . . O X . . . . . . . . . . . . . . .
        6 . . X X . . . . . . . . . . . . O . .
        7 . . . . . . . . . . . . . . . . . . .
        8 . . . . . . . . . . . . . . . . . . .
        9 . . . . . . . . . . . . . . . . . . .
       10 . . . . . . . . . . . . . . . . . . .
       11 . . . . . . . . . . . . . . . . . . .
       12 . . . O . O . . . . . . . . . . . . .
       13 . . X X . . . . . . . . . . . . . . .
       14 . . . . . . . . . . . . . . . . X . .
       15 . . . . . . . . . . . . . . . . . . .
       16 . . . X . . . . . . . . . . . X . . .
       17 . . . . . . . . . . . . . O . . . . .
       18 . . . . . . . . . . . . . . . . . . .
       19 . . . . . . . . . . . . . . . . . . .
       
       Human pros will play 18 and 20 with White when the left side is not important. White's strong group in the UL corner reduces the value of the left side, so I can agree with White's play here. With Black, I would now want to play on the right side (see var). 
       
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       Created with:
 (HTM) sgf2gopher