GokyoShumyoSection2Problem27/Attempts

[Diagram]

The circled stone is of no concern.

jms: I think we can safely ignore the black+circle stone. If B5 is played at white+circle, it is gote for black (and a mistake, as the move is uneccesary).

Instead, if black plays B3 at 'a', W4 is still fine. Could B play at b to threaten an eye?

[Diagram]

Solution?

jms: There are many possible continuations - but I think B has no eyespace after W1


Failures

[Diagram]

A failed attempt (ko)


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