GokyoShumyoSection2Problem20/Attempts
xela:
and
are a standard combination to undermine the eye at 'a'.
![[Diagram]](../../diagrams/37/d3be9c554d40a4070c212d37caa3d22c.png)
variation
unkx80: You may want to consider this variation.
xela: White continues this way? White 'a' next, and black can't escape... but it looks messy. Is there a better way?
(If
throws in at the marked stone, then
at
makes a seki.)
Yohei:
looks ok, but the
,
exchange is bad timing.
Black needs to answer
at
(or at a, but this makes very little difference), and now white can exchange
for
.
xela: On second thoughts, this looks better. Black can't play 'a'.