33 Point Invasion Query 8

white wants certain life  

From "Intermediate Level Power Builder, Vol I", white plays rather than Wa Bb to avoid a ko.

b defends, w makes life  

A move by black at , or at any of the circled points cuts off white's escape and requires white to make life with .

now what?  

Suppose black resists? How best to proceed now for white? Can white make life without ko?

now what?  

unkx80: Block at followed by jumping out at . With a (or b) and c more or less miai, intuition tells me that White should have no problems living.

white wants certain life  

What to do when black plays tsuke instead of at a? Is there a way for white to live unconditionally or escape?

Black tries to kill  

Bill: Assuming - , Black can hold White to one eye in the corner, starting with .

White escapes  

@ .

Bill: Then, after - and - , White escapes with - .