: ( 314)
Black's atari on the upper edge is a desperate measure that will not really help ( 949), and that hopes for a White mistake with answering locally.
Without regard to the still unconnected hanezeki's tail, White's centre group has four liberties left, so Black's atari of in the hanezeki is not available either.
:
But White simply connects the ko.
:
Black has no other choice but to connect the hanezeki's tail.
:
Black gives atari on White's centre group, but the ko in the centre wins White the semeai.