Xuanxuan Qijing Problem 136 / Solution
![[Diagram]](../../diagrams/45/ec3271c3eedee682181bf581588d53e7.png)
Solution
This shows Black's attempt to kill White.
at
or
at a leads to both sides making life.
and
! is the combination.
![[Diagram]](../../diagrams/0/9be2002ac9413278e3bcfb6068d6f552.png)
Continued
Black dies.
at
is a mistake;
at a leads to ko. (Theoretically,
at b leads to a six-move approach ko. And White may play at b himself at some point before....)