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LifeAndDeath
EyesCollection

Referenced by
BasicLiveShapes
TwoHeadedDragon
EyeDefinitionDisc...
GeneralEyeDefinition
EquivalentGameToGo
NoEyeVersusNoEyeC...
TwistedFour
TheCodeSoFarEyes
EyeVersusEyeCaptu...
Status

 

Alive
Path: EyesCollection   · Prev: InstantEyeTester   · Next: Dead
   

A group is alive if it is safe in one of two ways, two eyes or seki. This is the opposite of dead.

A group that does not have two eyes at the moment, or is not seki, can also be alive if it is guaranteed to be able to get two eyes or seki, regardless of who plays first. By this extended definition, some alive groups can become dead if a player is negligent.

See also the Eyes Collection and Benson's Algorithm (unconditional life).



Path: EyesCollection   · Prev: InstantEyeTester   · Next: Dead
This is a copy of the living page "Alive" at Sensei's Library.
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