RTG Problem 89 / Solution
![[Diagram]](../../diagrams/10/1a1603c94d4108892cc0c0a31d47dc79.png)
Solution
The key move is this
. It is wrong for
to throw-in at a.
![[Diagram]](../../diagrams/13/b2fa3dcd9787e6a055e41e561c4366d4.png)
Variation 1
The three Black stones cannot connect.
![[Diagram]](../../diagrams/17/5ab43f2572e80cbc00425afed8581f72.png)
Variation 2
Again, Black cannot connect after
. Due to the presence of the
stone, Black will be captured in a ladder if Black insists on connecting.
![[Diagram]](../../diagrams/15/0d5054695d90dbbe2c65658a700b5740.png)
Variation 3
The huge Black group is captured.
Throwing in first actually allows the Black group to go home, due to the existence of the
stone.