Beginner Exercise 69 / Solution

Solution  

After , Black lives as a twisted four. Now a and b are miai, c and d are also miai for life.

Failure 1  

Black dies by bulky five.

Failure 2  

Playing at looks good, but will capture the marked stone. However, has to be careful not to play at a or b.

Failure 3  

is the vital point here.

Failure 4  

is probably the weakest move among the failure diagrams.