Xuanxuan Qijing Problem 164 / Attempts

 

This is the solution that most of us have seen before.

 

But what about here?

 

Black can even play at some other places besides a.

Resistance 'a'

 

solves the immediate problem of cutting at s or escaping with r.

Cont.  

If is at , White plays at to escape.

Cont. 2  

taking away a liberty is necessary, or the capturing race in the corner results in ko.

Cont. 3  

Finally, the cut at x or the ladder at y.

Resistance 'b'

 

White can escape with x or do the same thing on the other side to make an eye.

Resistance 'c'

 

at x would be similar to the variation in Resistance 'a'

 

Resistance 'd'

 

Black nets White on one side.

Cont.  

White manages to make an eye in the middle.