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RTGProblem22

 

RTG Problem 22 / Solution
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Solution

[Diagram]
Solution

B1 is neccessary to prevent White from living with the bent four living shape.


[Diagram]
Solution

The throw-in at B3 is vital in this problem. After B5, since White cannot make the approach move at a, it is impossible to capture the BC stones in a connect-and-die.



Failure

[Diagram]
Failure

The direct placement at B3 is wrong. W4 is a good move which makes the approach move at a possible, so capturing the BC stones in a connect-and-die and making the second eye at W6 are miai.



This is a copy of the living page "RTG Problem 22 / Solution" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.