: ( 222mr)
Black gives counter-atari in the corner.
:
White captures, starting a ko fight for the life of Black's corner that Black will be unable to win.
Ko: ; ; ; ;
:
Black uses his forcing moves in the hanezeki as ko threats.
:
White threatens to capture Black's partial group in the left centre.
:
Black has another ko threat in the centre.
:
Black has run out of valid ko threat, and so lives independently at the right.
:
White, however, connects the ko, killing Black's entire corner.
She does not need to capture the hanezeki's teil any longer, which benefits her by about 25 points alone.