(Referenced by 730e, 738, 738c)

: ( 720)
:
White gains one point, locally, from the tsuke of Yamada Shinji.

:
White ends in sente in the upper left, so she can take the last valuable point of , to gain one further point.

In comparison to the professional solution, White has one more point here (), and Black one point less (). White's result is two points better. She should have taken this chance to win the game.

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This is the position of the professional solution. Black has one more point () in the upper left corner, and White one point less () in the centre, compared to the previous diagram.