Gokyo Shumyo, Section 1, Problem 37 / Solution

[Diagram]

Main line

[Diagram]

One continuation

W4 at a would also live.

[Diagram]

Another continuation

[Diagram]

Variation at B2

Black can block at B2, due to the presence of the marked stone. He wins in territory, but leaves the aji of the cut at a.

[Diagram]

Another variation at B2

Black could try B2 here, but it doesn't work. In this variation White also lives, and Black makes less points than in the main line.

[Diagram]

Failure 1

Simply descending at W1 is wrong. Black ataris and connects ...

[Diagram]

Failure 1 - variation

... or connects underneath. It is this combination which the preparatory move by White at a makes impossible.

[Diagram]

Failure 2

Simply capturing at W1 is insufficient to make two eyes. The jump at B2 kills.


Problem 38


This is a copy of the living page "Gokyo Shumyo, Section 1, Problem 37 / Solution" at Sensei's Library.
(OC) 2023 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About