Sub-page of BeginnerExercise237

B1 is the following examples is the key.

path 1 - optimal  

Black gets the 3 white stones in a snapback

path 1 - why not protect?  

If W4 would protect against the snapback, Black would cut white in two killing more white stones.

path 1 - why go for all?  

Because White can just capture the cutting stones then.

path 2  

W4 prevents a snapback

path 3  

W4 prevents a snapback

path 4  

A variation of path 2

billyswong: However, in path 2 and 3, white results with loss of more than the original 3 stones with no gain. But the snapback in path 1 can be used as a ko threat later on.

BeginnerExercise237/Solution last edited by on June 27, 2009 - 21:12
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