Gokyo Shumyo, Section 1, Problem 66 / Solution
Main line: Hashimoto Utaro
Variations: Dieter
![[Diagram]](../../diagrams/0/fc322b492ced79cb89bc3f3a6ce9575b.png)
Main line
![[Diagram]](../../diagrams/21/67cba1972bfcd7702bd6159c38a7237d.png)
Variation
Now Black has just two points.
Failures
![[Diagram]](../../diagrams/18/526279f9feaeaa21b061918466e44218.png)
Failure at 1
Black 1 maximizes eye space but actually it leaves defects...
![[Diagram]](../../diagrams/19/23c0b0420b75c09105876f2403d542ea.png)
Continuation
Black lives but is worse off than in the main line. (but he does as well as in the variation to the solution)
![[Diagram]](../../diagrams/52/593227d8f2eb4161efb205f11c349df1.png)
Variation
If White stubbornly tries to kill Black, she fails.
![[Diagram]](../../diagrams/47/9a793f235de03ae33fdfbdb17d507c7d.png)
Variation
But if Black stubbornly tries to save his stone, he dies!
![[Diagram]](../../diagrams/42/5d5af09616358d1163452c907a7c3b1d.png)
Variation
This line doesn't work for White: Black is alive
![[Diagram]](../../diagrams/41/4ebff30a88a1900852f01eefe193bf04.png)
Variation
But Black must be careful not to capture with 3.
![[Diagram]](../../diagrams/31/47cbc6cf2edb68f0f070d95b85c8d167.png)
Failure at 3
If Black 3, White can kill the group in ko.
![[Diagram]](../../diagrams/15/fceac883582400e995bf8b4758745a6e.png)
Failure at 3 (ii)
White 4 is double atari.
Go to Problem 67
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