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BeginnerExercise63

 

Beginner Exercise 63 Solution
   

I think this could be the solution:

[Diagram]
Diag.: Black first to live.

Now white can do nothing to prevent black from making two eyes.

nando: white is left with the 2-3 exchange which should be used later as a ko threat.


[Diagram]
Diag.: Black first to live.

Playing 1 is impossible, because white can catch black.


[Diagram]
Diag.: Black first to live.

A play at 1 will be answered by 2 and the situation is a seki.

Axel

unkx80: So far so good, except that saying that the last diagram is a seki is wrong. Due to shortage of liberties, black is dead.

nando: indeed, black can do nothing against white playing successively a b and c





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