IgoHatsuyoRonProblem23/Solution
![[Diagram]](../../diagrams/42/2a71c127ef1ee22f21a9bbb4c447ce8d.png)
White to play
First, White secures an eye in sente and cut off the Black group.
![[Diagram]](../../diagrams/29/551d27e57b6a84eabf3c8c8bc728592f.png)
Continued 1
is the only defense to avoid an immediate ko.
![[Diagram]](../../diagrams/45/7e4eabf692f7ad3dfbade1d8ec7c2bc3.png)
Continued 2
After reducing Black's liberties,
!! is the climax.
![[Diagram]](../../diagrams/24/055efdf4c7e473b2f0df7706f6d6e30f.png)
Continued 3: Ko
recapture at
,
at
.
![[Diagram]](../../diagrams/4/c8861ea926b2fbc8eb50f94d9c0dda18.png)
Variation
Fujisawa, after adding some moves in the center, gives this line on "continued 2" and similar ko as above. But
at a wins the capturing race.