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Aliases (info)
SquareFour

Paths
KillingShapes
TableOfEyespaces

Referenced by
EyeSpace
KillableEyeShapes
UnsettledEyeshapes
DeadEyeshapes
BigEyesCanBeSmall...
BeginnerExercise1...
BeginnerExercise1...
AlmostAlmostFill
ChineseGoTerms
BeginnerExercise8...
BeginnerExercise1...
BeginnerExercise1...

 

Squared four
    Keywords: Life & Death

[Diagram]
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]
No chance


kaiou: what about the 3x3 eyes? in the center or on the side is alive, but can it be killed in the corner? When I defend it end with seki

[Diagram]
corner


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