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214NNNotcher

 

214NWNotcher
    Keywords: Life & Death

Main line - ko

[Diagram]
214NW

Dieter: W1 gives ko. Black to play lives.


Variations - inferior results

[Diagram]
214NW: Black lives

This is seki.


[Diagram]
214NW: Black dies

There is shortage of liberties at a.


[Diagram]
214NW: Black dies

Now Black's eyespace is too small.


[Diagram]
214NW: Black dies

White must answer B2 at W3: if she plays a instead, Black will live by taking W3 himself.


[Diagram]
214NW: Black dies

unkx80: I don't understand your comment and/or the previous diagram. Doesn't W3 kill?

Dieter: When I showed this to my clubmates today, they suggested this W3 too. I was rather taken aback. B2 in this diagram is probably not worth discussing.



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(OC) 2003 the Authors, published under the OpenContent License V1.0.