Beginner Exercise 27 / Solution

Black saves both groups

secures one eye and a and b are miai for another eye - the left group lives. In addition, makes c sente and saves the right group too.

White attacks the right

After , threatens to capture and connect the groups, so White must connect at . makes the necessary eyes.

Black saves both groups

Any other inside play is met by , which gives atari and makes a bent four living shape, with and as miai. at is also met by .

the left group dies

here is a mistake - after , a and b are miai to kill the left group.