Black can kill the whole group unconditionally. at or also kills.
White lives by sacrificing the marked stones, for example as shown in the diagram.
Sub-pages (up)Attempts
at 
or 
also kills.
![[Welcome to Sensei's Library!]](images/stone-hello.png "Sensei's Library")
![[Diagram]](diagrams/42/08f4b4695ca338c3e5580277d57c672b.png)
![[Diagram]](diagrams/27/8fefe90539f095fa0a0f3ca50e9b3a76.png)
![[Diagram]](diagrams/52/baa04960e219a39ad6680b666de622ca.png)