[Welcome to Sensei's Library!]

StartingPoints
ReferenceSection
About


Referenced by
BeginnerExercise13

 

Beginner Exercise 13 Solution
  Difficulty: Beginner   Keywords: Problem

Solution by lavalyn 17k:

[Diagram]
Diag.: It's easiest to make eyes in the corner

Black 1 takes the corner for eyespace. Now the best White can do is to minimize the eyespace available, but the available space is sufficient to ensure life.


[Diagram]
Diag.: Full diagram


For your viewing pleasure, some failure diagrams:

[Diagram]
Diag.: Extending in the wrong direction

Black, in his attempt to take more of the side, loses after 2 and 4: on the second line, six die but eight live.


For your further viewing pleasure, some not so minor change to the problem (by Sergio) :

[Diagram]
Diag.: Black is dead

If the white circled stone is on the second line (instead of the third) black is dead...

But what should White play in answer to a ?


[Diagram]
Diag.: Killing move

Even if it's not a clear move to beginners 1 is the only one that kills.


[Diagram]
Diag.: White kills

If Black plays at a White kills by the throw-in at 3.





This is a copy of the living page "Beginner Exercise 13 Solution" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.