Beginner Exercise 250 / Solution
The peep at should be one of the moves that come from intuition.
The important thing to note is that White cannot capture the stone.
If connects, then connects as well. The next key move is .
If makes an eye, then followed by a throw-in destroys the second eye.
If blocks, then and capture three White stones. After , a and b are miai for the kill.
Here, also cannot prevent Black from killing the White group.