RetrogradeAnalysisProblem7/Solution
![[Diagram]](../../diagrams/23/8a0e25e8e8bd3b9aea2965ba5aec971e.png)
Original position
Dan: I think this works. White originally captured at a, capturing two Black stones.
![[Diagram]](../../diagrams/43/f6128cee662bfb7021d7453168639e8a.png)
White lives
He retracts his move and plays at
. Now Black cannot play at a because it is suicide, so White lives.