# Gokyo Shumyo, Section 1, Problem 97 / Attempts

unkx80: I find this a difficult problem.

Dieter: Me too, unkx80.

Analysis

a is an half-eye, but if the stones get captured, then a becomes a full eye.

Attempt

Dieter: doesn't look necessary here, but it is [1]:

Variation I
Variation II
Variation III
Var iv

Dieter: Up 'till is part of the solution. The next move to think about is the astute .

Var iv

unkx80: Looks like there are a few ways of solving this. One which looks nicer might be this.

Var iv

Dieter: Yes. I now understand why that white stone on the upper left komoku is in place. But let's leave it here. You are a quick thinker unkx80.

unkx80: Which komoku is it? Anon: Black should play 5 at a.

Black isn't going anywhere.

Black isn't going anywhere.

I have seen this given as the final part of the solution.

[1]

White 4 necessary

Failure

Bill: For a while I thought that was a good move. ;-) I missed , which I now think is correct.

Failure (ii)

One point is that, thanks to , White can afford to play here.

Extended problem

My solution?
continuation

Gokyo Shumyo, Section 1, Problem 97 / Attempts last edited by 2.220.249.93 on November 23, 2012 - 21:06
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