Gokyo Shumyo, Section 1, Problem 88 / Solution
Solution
![[Diagram]](../../diagrams/29/4e3faa3a6fcc1e715220334f34280b83.png)
Main line
![[Diagram]](../../diagrams/42/9e1989395d1230dae3632d382f6e63a0.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/2/c9e5caaecd8a20621dc5f8eb61645a82.png)
Variation at 10
This variation is better for White, because there is no ko.
![[Diagram]](../../diagrams/0/1f3e830d8220f36e6ffc5a75a9dacd55.png)
Variation at 12
Failures
![[Diagram]](../../diagrams/13/3ed7f44b95221d3f915dfd965eb90607.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/1/1d6889e675c685b2bc658a9560af809c.png)
No need to defend everything
... leaving one eye for White.
![[Diagram]](../../diagrams/51/421a5ef42baa53483f314f8df95bb637.png)
Failure at 1
Q: Why not start with the key point White 1 here?
A: Because Black plays 2.
![[Diagram]](../../diagrams/37/7ff159e91674c103339ced10e12873fe.png)
Failure at 12