GokyoShumyoSection4Problem30/Attempts

[Diagram]

Attempt 1

W10 at B4; White takes first. Also, White can live in the corner this way even if White loses the ko.

[Diagram]

Attempt 1 (variation)

Of course Black can avoid the ko by answering W2 with B3. White is alive in the corner.


[Diagram]

Attempt 2

Perhaps White should play W2 as in this diagram. If neither side backs down, after the sequence to B9, White a - Black b - White c starts the ko.


[Diagram]

The usual idea


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