unkx80: Is this another solution?
xela: What about
at a?
symplicity: Then it looks like black can just play atari starting at b and eat white.
xela: Oops, darn shortage of liberties!
jms: White absolutely cannot allow Black to push in at 'a'. Even if
@ 'b', then
@ 'a' kills the White group.
jms: White's only chance is to try
, after B takes the vital point with
, White is ruined. W cannot play at 'a' or 'b' due to a shortage of liberties.
jms: Whether W tries 'a' or 'b', Black can calmly play 'c' to catch the 2 white stones. (In the case of
@ 'a', it will be a snapback).