Four stones on the third line in the corner
This is the Four stones on the Third line in the Corner. Clearly, Black can play first to kill. This is unconditionally alive if White plays first.
This is usually the best path for White, making a and b miai for life. Later the cutting point at c may become a problem for Black.
![[Diagram]](../../diagrams/7/6876e84995543679efc044e7359acada.png)
![[Diagram]](../../diagrams/36/5be4c3bdddeb90cffa3e066f8c1de3dd.png)
![[Diagram]](../../diagrams/18/b65ed348922f6733a5c8372fcb2da953.png)
is simpler, but gives only two points of territory and Black's outside is defect-free.
![[Diagram]](../../diagrams/42/2e396896b88624b37c0efe9f7f05c20c.png)
(![[Diagram]](../../diagrams/5/2db8689123fd286da2d8f6d02a1e3a8f.png)
.
2024 the Authors,
published under the ![Sensei's Library [Welcome to Sensei's Library!]](../../images/stone-hello.png)