GokyoShumyoSection3Problem79/Attempts
So why is this Ko and not clean-life like in the similar problem Gokyo Shumyo, Section 1, Problem 74?
It seems it depends on the strength of the black outside.
![[Diagram]](../../diagrams/11/8f8d4329888d6d91f78258ae79338843.png)
Seems to be Ko
![[Diagram]](../../diagrams/44/53ebe7de6d3fc80e0e258b4748b95dad.png)
Reference: If white tries the same approach like problem 1-74, then black can make life in the corner and the position is still Ko.
![[Diagram]](../../diagrams/2/6dfae71aa709cd454b9f9f1a05cbbc5a.png)
Here W has the forcing move of
killing black in the corner