Beginner Exercise 298 / Solution

B lives  

is the only way to live.

Strongest resistance  

White's strongest resistance leads to seki.

Possible continuation  

Another possible continuation. makes a second eye.

Failure  

at b fails, because white can capture the stones on the left or connect to the outside.

Failure  

Other continuations are also dead.

More failure  

This doesn't work either.

If at either a or b then white takes the other point, reducing the eyespace to a bulky five.

If at c then at a kills, while at d will be answered by at b.

at  

here might look promising, but it's also a mistake which is punished by the clever sequence up to .

If black plays at a then at b sets up a snapback.

at b is answered by at a capturing the stones on the left.