XuanxuanQijingProblem26/Solution

[Diagram]

Solution

B1 and B3 start a squeeze technique.

After W4, playing a throw-in at B1 is a standard move with this sort of shape. But note that here, in the solution, B5 is not a throw-in. Not playing the throw-in has been described as a sort of a tesuji, see the SL page don't throw in tesuji, it shows why the throw-in doesn't work in this case.

[Diagram]

Cont. 1

Black is now able to live due to White's shortage of liberties.

[Diagram]

Failure

White gets ko this way.


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