Xuanxuan Qijing Problem 164 / Attempts

[Diagram]

This is the solution that most of us have seen before.

[Diagram]

But what about B4 here?

XuanxuanQijingProblem164/Attempts#toc1 XuanxuanQijingProblem164/Attempts#toc3 XuanxuanQijingProblem164/Attempts#toc4 XuanxuanQijingProblem164/Attempts#toc2
[Diagram]

Black can even play B2 at some other places besides a.


Resistance 'a'

[Diagram]

B6 solves the immediate problem of cutting at s or escaping with r.

[Diagram]

Cont.

If B10 is at W11, White plays at B10 to escape.

[Diagram]

Cont. 2

W17 taking away a liberty is necessary, or the capturing race in the corner results in ko.

[Diagram]

Cont. 3

Finally, the cut at x or the ladder at y.


Resistance 'b'

[Diagram]

White can escape with x or do the same thing on the other side to make an eye.


Resistance 'c'

[Diagram]

B10 at x would be similar to the variation in Resistance 'a'

[Diagram]


Resistance 'd'

[Diagram]

Black nets White on one side.

[Diagram]

Cont.

White manages to make an eye in the middle.


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(OC) 2014 the Authors, published under the OpenContent License V1.0.
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