: ( 238)
White plays this calm, but too slow move in the centre.

:
But now, she will taken by surprise, when Black connects his partial group to the left, and does without the kikashi of in the bamboo joint.

:
This approach-move must be played sooner, or later.

:
There will be no ko; Black wins the semeai unconditionally.

White has simply lost one move by her initial solid move in the centre.