: ( 237)
Black tries to benefit from cutting inside White's shape.

:
It is sufficient for White to block on the right.

:
The atari at , instead, would result in a lost move.

: (A 240)
White must reduce Black's eye from above.

As long as Michael Redmond's kikashi in the bamboo joint is not played, White is unable to continue with the calm move of in the centre, instead.

:
As usual with White's earlier move from above, there develops a shared ko in the centre.

Ko:

:
White starts the ko "late", as her centre group is left with five effective liberties.

Ko:

:
Black has no ko-threats left, so White connects the ko.

It will not help Black to give atari at , because White would return the favour in the centre, at .