DietersMistakesIn2022/Solution1
![[Diagram]](../../diagrams/32/dbeb8e25c0f7f08f6bbf2c8d8b85b49c.png)
Move 73 - my mistake
In the game I chose
(or a in /Problem1) and let the cutting stone be a burden for White. KataGo thought this was a big mistake and I should have played b instead:
![[Diagram]](../../diagrams/13/a88d7a28ca3ab9ff69aac6302b7717d7.png)
Solution - var 2
White can live with this sequence but then Black has still sente to deal with the lower side, using his central thickness.
Failure to surround and harass a big group, forcing it to live small or be killed.