BQM50

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    Keywords: Life & Death, Question
[Diagram]

Status ?


We can consider this shape to be a weak L+2-group - the weakness being the absent stone at a. On top of that, Black has BC in place. What would be the status of this group ?

[Diagram]

Status ?

It takes little to realize that White can live by playing at W1 or a. The real question is whether Black can kill.


[Diagram]

From the outside

Occupying the weak point leads nowhere. White lives easily: it looks like W2 is the vital point.

[Diagram]

Attack at 1-2

The attack at this point amounts to failure.

[Diagram]

Attack at 2-2

After W6, it is pointless to continue with Black a - White b. In fact, the marked point provides the extra liberty for the group to be alive


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(OC) 2005 the Authors, published under the OpenContent License V1.0.
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