RTG Problem 84 / Solution

Sub-page of RTGProblem84
[Diagram]

The one-two point

Play the 1-2 point closest to the stones cut off.

[Diagram]

Continuation 1

[Diagram]

Continuation 2


[Diagram]

The wrong one-two point

It is not true that any 1-2 point works. White 1 plays at the wrong 1-2 point and loses the capturing race instead.


[Diagram]

The hane leads to ko (9 takes ko at 1)

The hane leads to ko.

[Diagram]

Failure

If W3 is played as in this diagram instead, white loses the capturing race.

[Diagram]

Black cannot avoid ko

If B2 tries to avoid ko, then W3 is the tesuji that wins the capturing race unconditionally.


This is a copy of the living page "RTG Problem 84 / Solution" at Sensei's Library.
(OC) 2011 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About