KyuExercise165/Attempts

 

Imagist: strikes at a vital point, but gives black enough room that after , , a and b are miai for seki.

 

Imagist: After this , this is hard to anticipate. If connects out, black forces the , exchange to create ko with .

at the marked stone.  

Imagist: White can get a slightly better ko by playing this so that white captures the ko first, but white can still do better.