DietersMistakesIn2022/solution22

move 51  

is best. If links up the stones, White is low and Black can take sente to play the important shape point , forming a substantial framework.

move 51  

This is inferior because White connects in sente.

move 51  

here is a little unreasonable. Black is chasing a group into the open, complicating the game while being ahead.

Failure: try to kill instead of applying pressure and build