![]() StartingPoints Referenced by Homepages
|
Door group
Path: GoProverbs · Prev: TheLGroupIsDead · Next: StrangeThingsHappenAtTheOneTwoPoint Path: LifeAndDeath · Prev: CombFormation · Next: EternalLife
Difficulty: Beginner
Keywords: Life & Death, Proverb
The black shape in this diagram is called the door group, and it is dead as it stands.
Creating some sort of shape by turning at
The door group with one extra leg is unsettled. Since a move at a reduces the shape to the dead door group, it is White's killing move. Incidentally it is also one of the moves allowing Black to live. From this it is also easy to understand that the door group with two legs is unconditionally alive.
The presence of hane at the marked points helps a bit towards life for the black group, while absence of either --Stefan Exercises on the DoorGroup: Path: GoProverbs · Prev: TheLGroupIsDead · Next: StrangeThingsHappenAtTheOneTwoPoint Path: LifeAndDeath · Prev: CombFormation · Next: EternalLife This is a copy of the living page "Door group" at Sensei's Library. ![]() |