Beginner Exercise 48 / Solution
![[Diagram]](../../diagrams/26/16eb18c78cfd397383b77d00f985d092.png)
Solution.
puts a black stone in atari. The only defence for Black is to set up a ko at
.
![[Diagram]](../../diagrams/48/735adf88d68d13e7ba22510468145f49.png)
Variation 1.
If
, White connects underneath at
. Black is totally dead.
![[Diagram]](../../diagrams/36/264f6d3cac6372f718c74d482a49caa9.png)
Variation 2.
Same as variation 1.
![[Diagram]](../../diagrams/51/4a6c04e726439c6f1add5051a61486d8.png)
Variation 3.
prevents White from connecting
to the exterior stones, but
kills Black easily.
![[Diagram]](../../diagrams/31/bfe874ec7ea651f665efb10887544bd1.png)
Continuation
EthrDemon?:Can't
force a ko anyway as Black cannot connect at a?
MrTenuki: Nope, there is no ko here:
![[Diagram]](../../diagrams/27/53481a1fcddbeb44ad19fd23a6119491.png)
Continuation
![[Diagram]](../../diagrams/48/efec3ce76cd9e448aa2f079f3e55d781.png)
Continuation
Black simply sacrifices the marked stone to live.
![[Diagram]](../../diagrams/41/f849870f2f086fc5d2534b0ed2e528f3.png)
...and black is alive.
(In fact, playing out
-
-
-
immediately would be wasting two ko threats.)