GokyoShumyoSection4Problem50/Attempts

[Diagram]

xela: White must play W1 before deciding whether or not to throw in at a. First, let's look at a couple of failure diagrams:

[Diagram]

failure 1

xela: W3 and W5 are captured.

[Diagram]

failure 2: B4 at W1

[Diagram]

solution, variation 1

[Diagram]

solution, variation 2: B6 at W3

xela: This way, black has one liberty less, so W1 and W7 survive.


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