XuanxuanQijingProblem67/Solution

[Diagram]

Main line 1

Black B1 to B3 sequence is apparent.
B5 is a tesuji.

[Diagram]

Main line 2 - seki

The best result is seki.

[Diagram]

Variation

For White W4, Black B5 is still a tesuji.
Black can live with double ko.

[Diagram]

Failure

Black B5 is a bad move. It leads to simple death.


This is a copy of the living page "XuanxuanQijingProblem67/Solution" at Sensei's Library.
(OC) 2012 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About