[Welcome to Sensei's Library!]

StartingPoints
ReferenceSection
About


Referenced by
KanazawaProblem70

 

KanazawaSolution70
   

[Diagram]
Diag.: Main line

White plays on the leg side at the second line. White lives up to 7. If next Black 'a' ...


[Diagram]
Diag.: Damezumari

White can atari at 4 and Black can't connect at the marked stone, due to damezumari.


[Diagram]
Diag.: Failure 1

Bending in from the side without leg leads to ko. If Black wins the ko, he almost fills White's eyespace with a BulkyFive. The points 'a' and 'b' are miai for that purpose, and thus serve as a ko-threat for Black.


Bill Spight: No ko threat for Black, here. Dieter: I meant ... for White

[Diagram]
Diag.: White is dead

White is dead. If W b, then B a.
Instead,


[Diagram]
Diag.: White ko threat

W 1 is a ko threat. If B 2 fills the ko, W 2 makes seki.




This is a copy of the living page "KanazawaSolution70" at Sensei's Library.
(C) the Authors, published under the OpenContent License V1.0.