In the beginning, no forcing-move other than is played here.

However, Black cannot do without the second one, at !

Latest after the first part of the Nakade Sequence on the left side of the board, White will play the kikashi of herself. Black must stop White from getting an eye in the hanezeki, with , and thereafter return to the connection of .

Black has only three liberties () in the marked area, instead of four (, 91) after the correct sequence of , , much earlier in the game. White will choose the Punishment Semeai now, so winning the game with ease.