Xuanxuan Qijing Problem 65 / Solution



The group is dead after W1.

Black has 3 stronger resistance, let's look at them one by one.

Resistance 'a'  

After W3, black can't get both 'x' and 'y'.

Resistance 'b'  

Black is unable to capture W3 even by playing 'x' due to shortage of liberties.

Resistance 'c'  

B2 and B4 looks like good responses, but W5 aims to capture with 'x' or destroy black's eye with 'y'.



Compare with the solution, W3 here is too late.

Instead of blocking, B4 secures an eye.

Next if white tries to connect out, black 'a' is good enough.


W3 is interesting. B4 at 'a' result in death.


W1 is a rather weak attempt.

Black has all these marked moves to make life.


For other W1, B2 is sufficient.

Xuanxuan Qijing Problem 65 / Solution last edited by Unkx80 on July 5, 2008 - 21:39
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