XuanxuanQijingProblem237/Solution
Revised version
![[Diagram]](../../diagrams/50/ab5718a5c7da2d1900c1cc9f591d32ed.png)
Solution
![[Diagram]](../../diagrams/30/55d76164f8397db287d7cd084639ee46.png)
Black's stubborn resistance
! leads to two-move approach ko.
Original version
![[Diagram]](../../diagrams/20/ff1635a7504c5562b0ea6eec87ef7f87.png)
Original Solution
This line is shown.
is a weak defense.
![[Diagram]](../../diagrams/25/d109bb560ab158512d5e27b9d81a8d4a.png)
Ko
This ko is the best for both sides. Because...
![[Diagram]](../../diagrams/24/854a982c79b9cd818e286220709b1fad.png)
dead
here dies unconditionally (
at a is met by Black b).