RTG Problem 49a / Solution

Sub-page of RTGProblem49a
[Diagram]

Ko

Black can get a ko for life. It is a direct ko for both players.


Mistake

[Diagram]

If white captures...

[Diagram]

Black takes 4 stones

Black takes 4 stones with B9 at a, and has his second eye in the corner.µ

[Diagram]

One liberty

Thanks to the marked liberty, Black can now block at B2 and atari at B4, unlike in RTG Problem 49/Solution.


This is a copy of the living page "RTG Problem 49a / Solution" at Sensei's Library.
(OC) 2014 the Authors, published under the OpenContent License V1.0.
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