One Thousand and One Life-and-Death Problems / Problem 75 discussion
![[Diagram]](../../diagrams/1/2f454847dbd78347e50641b4c353a3c6.png)
Solution Diagram
This lives.
![[Diagram]](../../diagrams/42/a5a1ab87e6de2d82830432e8955ac469.png)
Ko threats
White gets
,
, and
at one of the
points; a total of three ko threats.
![[Diagram]](../../diagrams/13/6d0affdec8f030d4e6566c2b32eea4ae.png)
Is this also a solution?
A question was raised: Is
also a solution? The answer is given below.
![[Diagram]](../../diagrams/51/c742e31154515cc10b50e7c7f26ec2a5.png)
Failure 1
This
fails. White plays
and the shape is dead. If at any time Black captures the four White stones with
, then
kills (Black cannot make two eyes due to damezumari).
![[Diagram]](../../diagrams/39/7c48678d25f108cfece9cd55d0ca9924.png)
Failure 2
looks fancy, but it fails because of the same reason (
at
).