Two hanes gain a liberty

   

A position with two hanes on the first line can have one more liberty than its dame count.

Example:

[Diagram]

An extra liberty

B1 and B3 make two hanes on the first line with sente. Now the Black stones in the corner have 4 liberties.



[Diagram]

Black wins the race

And Black wins the race to capture.


This is a copy of the living page "Two hanes gain a liberty" at Sensei's Library.
(OC) 2016 the Authors, published under the OpenContent License V1.0.
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