IntroExercise3/Answer
These stones are dead. Notice that the lone white stone isn't connected to the rest of the group. Sometimes this is called a false eye.
![[Diagram]](../../diagrams/26/49134893f43c9382382fc9af6837ca77.png)
Status?
If white connects the stone, black just kills.
![[Diagram]](../../diagrams/39/8fca060b21814ebf28910eff9ffa2bc2.png)
Status?
What about if black captures the stone? If white immediately recaptured the
stone, the position would be exactly the same as before the capture.
![[Diagram]](../../diagrams/0/88c30785e1cd8124768bcce4a8f9e590.png)
Recapture is Illegal!
That sort of move is not allowed, according to the ko rule: the board cannot look the exact same way twice. So white must play elsewhere for
.
![[Diagram]](../../diagrams/22/2ad4b1591a5d029d44ae175878b92a48.png)
Capturing at the end of the game.
So black's strategy is to wait until the end of the game, and then capture with
.
won't be any threat, because the game is over, so
can capture.