Squares & double attacks threat (1)

Besides a mating square and a promotion square, we can also attack a square on which we can set up a special attack. By simultaneously attacking an ememy piece in the process, we will see that this can this can win material.

Here the special attack that we focus on is the double attack. See the example.

What do you have to do?

Win material by attacking both a piece and a square on which a double attack can be performed.