Beginner Exercise 134 / Solution

Sub-page of BeginnerExercise134
[Diagram]

Correct solution

White should not block, but should play W2 like this. Now white is unconditionally alive.

[Diagram]

Oops...

Blocking with W2 leads to a potential seki. Black still has to win the ko at b for this to be seki.


[Diagram]

White sacrifice

Gronk: White can sacrifice the white+circle for life, no? The order of W4 and W6 may be interchanged. Still, the correct solution is better.

Kea?: I think that would lose points. The sacrifice gives 8 points to Black and only gains 2 points of territory. The seki is more desirable (and of course the correct solution is even more).


[Diagram]

Black's mistake

Herman: Note that B1 in the first diagram was a mistake by Black. Black kan make ko for seki like this...



This is a copy of the living page "Beginner Exercise 134 / Solution" at Sensei's Library.
(OC) 2014 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About