RTGProblem83/Attempts

White to play  

fractic: is the vital point. is also crucial, playing at instead will allow Black to gain liberties later on. After Black is caught in a double damezumari. If instead of Black plays then and White still kills. If at then and black can't capture the three white stones due to another shortage of liberties.

Variation  

fractic: This leads to shortage of liberties in another way.