: ( 138)
Black continues on the upper edge, and intends to build the larger eye for his group in the upper right later. But, as we will see soon, he will not get the opportunity to do so.
:
After having inserted several sente moves, White plays this very calm move in the centre, depriving Black of his larger eye.
:
Black's kikashi comes too late now.
:
White will not answer on the upper edge, but sacrifice her endangered two stones there.
: (102 144)
Black answers in the centre. It will not help him either to capture White's two stones, with a move at , instead.
:
Together with his larger eye in the centre, Black has not only lost an inerasable ko-threat, but also a liberty for his group in the upper right. This effect enables White to play a protective move on the left side, effectively erasing all of Black's ko-threats there. The "late" ko is playable for White now. This is also shown in the theory chapter as FLAG 8c ( 1064).
Ko:
: reduced the liberties of Black's group below the Punishment Semeai Liberty Level; so potential Black ko-threats on the left side are useless now.
Ko: ; ; ;
:
Black has run out of ko-threats.
:
White connects the ko, and wins the game. Black is unable to give atari at .