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TwoEyesCanDie

 

Weird Exercise
   

[Diagram]
Diag.: How many moves for Black?

Sorry, saw this amusing discussion, and decided to follow up. I find it pretty entertaining! Treat it as a contest!

Assuming White plays tenuki every single turn, how many moves will it take for Black to kill this shape, or to form two eyes... or even seki?

At what point does White have to reply?

The person in the discussion started with the circled point, but I would play at a. Comments and solutions here please!



Dieter:

Purely by feeling I'd say four moves for seki.

[Diagram]
Diag.: How many moves for Black?

But now I start reading ...



[Diagram]
Diag.: How many moves for Black?

Skelley White can make a second eye like this...

Jasonred Why does Black play at 2? I mean, I see nowhere else to play, but, why? Trying to make sure it's a true eye, not a false one?

Skelley: True, black does not have to respond at all, white can live with two eyes. I just put 2 and 4 in to show that white can live even if black responds.


[Diagram]
Diag.: How about this?

Does this kill White? Or is the point at a necessary?


[Diagram]
Diag.: Both live :)

[Diagram]
Diag.: No... =)


[Diagram]
Diag.: How many moves for Black?

unkx80: How is this?



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