Hitachi Number 9 / Solution
Here is the published solution for Hitachi Number 9.
![[Diagram]](../../diagrams/46/3056015c8c0458cacc4c195038c9bccd.png)
Black to play.
After Black 1, a and b are miai.
![[Diagram]](../../diagrams/2/9f06afde84c1ae2721bb579195148904.png)
Variation 1
In this variation, White cannot play at c because of a shortage of liberties. The Black group escapes to the center.
![[Diagram]](../../diagrams/49/a75a695fb74dd52fdce9a033fd663166.png)
Variation 2
If
blocks the escape, Black can make another eye on the top edge by attacking White's corner group.