Beginner Exercise 48 / Solution
![[Diagram]](../../diagrams/39/b6ef30259870a572210d2cb41e83df19.png)
Solution.
puts a black stone in atari. The only defence for Black is to set up a ko at
.
![[Diagram]](../../diagrams/31/3e01141d57bf327a95ecbd95a414d5a9.png)
Variation 1.
If
, White connects underneath at
. Black is totally dead.
![[Diagram]](../../diagrams/20/a75a78d2f306435f3dcc0afb8884d22b.png)
Variation 2.
Same as variation 1.
![[Diagram]](../../diagrams/38/f41526dc744cc3e9108d206644caf5d9.png)
Variation 3.
prevents White from connecting
to the exterior stones, but
kills Black easily.
![[Diagram]](../../diagrams/39/3665f6c46b584bb8c63d57bee60cc9ce.png)
Continuation
EthrDemon?:Can't
force a ko anyway as Black cannot connect at a?
MrTenuki: Nope, there is no ko here:
![[Diagram]](../../diagrams/17/4a3d02a25fb458c136e9ba482651bc96.png)
Continuation
![[Diagram]](../../diagrams/38/a641831c716433b612437738574ee2b5.png)
Continuation
Black simply sacrifices the marked stone to live.
![[Diagram]](../../diagrams/12/1c98e09f8fc15d698110e59fbaa8efb0.png)
...and black is alive.
(In fact, playing out
-
-
-
immediately would be wasting two ko threats.)