BeginnerExercise237/Solution
is the following examples is the key.
![[Diagram]](../../diagrams/48/260bcad9e2c08d7ab758c2bdf54a0e09.png)
path 1 - optimal
Black gets the 3 white stones in a snapback
![[Diagram]](../../diagrams/0/dad7070890e6db4288532dfef86437e5.png)
path 1 - why not protect?
If
would protect against the snapback, Black would cut white in two killing more white stones.
![[Diagram]](../../diagrams/50/c2d0de5082aa0253cf6829e740378549.png)
path 1 - why go for all?
Because White can just capture the cutting stones then.
![[Diagram]](../../diagrams/52/40e45c506f906459a2487853374900c2.png)
path 4
A variation of path 2
billyswong: However, in path 2 and 3, white results with loss of more than the original 3 stones with no gain. But the snapback in path 1 can be used as a ko threat later on.