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BeginnerExercise47

 

Beginner Exercise 47 Solution
   

[Diagram]
Diag.: White first to create a ko.

splice: White 1 creates a ko. Black cannot respond at a because of damezumari. Any response that does not threaten 1 (except b, discussed after) will capture the two black stones at the right in a snapback (white b, black a, white b).


[Diagram]
Diag.: Possible

Black 2 connects and white 3 sets up the ko. Black must take the ko, lose the 4 stones at the bottom, or connect them and lose the whole group. Ko it is :0


[Diagram]
Diag.: Possible too

Straightforward ko sequence.





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