Gokyo Shumyo, Section 1, Problem 75 / Varation

In Gokyo Shumyo, Section 1, Problem 75 / Solution, the following response is untreated:

[Diagram]

Variation at 2

I believe that the W3/B4 exchange is unnecessary, and that W3 at W5 already forces B6. Otherwise W5 at B4 seems to live or get out very quickly. So here, IMHO, is the main line.

[Diagram]

Main line

White 11 at a makes an eye.


The variations at B8 are similar to Gokyo Shumyo, Section 1, Problem 75 / Solution.

[Diagram]

Variation at 8

[Diagram]

Variation at 8 (ii)

[Diagram]

Variation at 8 (iii)

[Diagram]

Variation at 8 (iv)

[Diagram]

Variation at 8 (v)


Other responses at B6 run into shortage of liberties.

[Diagram]

Variation at 6

[Diagram]

Variation at 6 (ii)

B7 @ W4

[Diagram]

Continuation

If Black a, b, or c, White d.


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(OC) 2011 the Authors, published under the OpenContent License V1.0.
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