Kyu Exercise 47 / Solution

Solution (8 at 3).  

makes an eye, and then the throw-in at is important for reducing Black's liberties by one. After , White wins the capturing race.

Why 8 @ 3. Can't B force a ko because W can't approach?

Failure 1.  

forgot to make the required throw-in, connects and Black wins the capturing race.

Failure 2 (4 at 2, 10 at marked stone).  

here doesn't form a bigger eye. Black wins the capturing race by one move.