KoPositionFromOneSpaceLowPincer/Solution

Kill  

Chaz: White cannot expect to ignore and live. After , a and b are miai to kill.

Another success  

Striking immediately at the vital point of White's shape works this time, but only with careful follow-up.

Ko  

Black starts a favorable ko. However, when black can kill unconditionally ko is a suboptimal result.

vital point failure  

Gote Seki