Xuanxuan Qijing Problem 169 / Solution

[Diagram]

Solution

The solution is to play the kikashi at B1 before living at B3. Why the kikashi at B1, and why B3 here when there are other ways to live? The answers to these questions will be revealed at the end of the solution sequence.

Locally, W4 is the only way to kill the lower left group. B5 onwards is the only way out, and keep reading...

[Diagram]

Solution (W4 at B1)

[Diagram]

Solution (W4 at black+circle)

So the purpose of all these moves is to set up a ladder. (See Kyu Exercise 5 for an elaboration of these moves.) Does this ladder work?

[Diagram]

Solution

[Diagram]

Solution

[Diagram]

Solution (W8 at B5)

The final result... is a double snapback on all the White stones. So that's the purpose of the first two Black moves black+circle!


This is a copy of the living page "Xuanxuan Qijing Problem 169 / Solution" at Sensei's Library.
(OC) 2008 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About