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Aliases (info)
BlockedFour

Referenced by
Nakade
EyeSpace
BeginnerExercise8...
BigEyesCanBeSmall...

 

Squared four
   

[Diagram]
Diag.: Block of 4.

A group with this eyeshape of a square of 4 is dead as it stands. Even if White plays first, Black can kill her:


[Diagram]
Diag.: No chance


This is a copy of the living page "Squared four" at Sensei's Library.
(C) the Authors, published under the OpenContent License V1.0.