: (A 561)
Black connects here to capture White's stones in the corner. Only in this way, does the initial move at make sense. However, this attempt will end in a disaster for Black, and even now he should sacrifice some stones on the upper edge, instead.
:
Please note that Black's position is weaker than in the sub-variation shown before ( 559), because White has started the endgame on the left side early, and two solidifying Black stones, at , have not yet been played here.
: (A 562)
Black should not insist on killing White's group. His last chance to survive in the corner is a move at , instead.
:
Now, we have "me ari me nashi", with an eye for White. Black's only living group remaining on the board is the one in the lower left.