Gokyo Shumyo, Section 1, Problem 88 / Solution
Solution
![[Diagram]](../../diagrams/47/48f737949940a6833163883f2eff028e.png)
Main line
![[Diagram]](../../diagrams/46/c4860ce0c230012e415686ba16ff5679.png)
Main line (11-20)
Black 12 is tesuji. White 19 starts a ko. If Black a, White b. This is the solution.
![[Diagram]](../../diagrams/9/882b9ffc7d641d42bc60b6d8cc7f6591.png)
Variation at 10
This variation is better for White, because there is no ko.
![[Diagram]](../../diagrams/24/58ee1108c4bb45797866392b5e6e2475.png)
Variation at 12
Failures
![[Diagram]](../../diagrams/9/4268011cb7ac7f434961de941df8154a.png)
Failure at 9
Timing is important. If White tries 5 to make alleged miai of the left and the right, Black sacrifices and squeezes ...
![[Diagram]](../../diagrams/20/37e70c5300c924ac99f309b1785a427e.png)
No need to defend everything
... leaving one eye for White.
![[Diagram]](../../diagrams/16/7ef1d0ef8d5d150c234524510cb75dd0.png)
Failure at 1
Q: Why not start with the key point White 1 here?
A: Because Black plays 2.
![[Diagram]](../../diagrams/20/20305490fa58563c6f93bca3179d68ef.png)
Failure at 12