Try: 1.Qf4? 

   But 1...f2!

Try: 1.Kf2?

 1...h2   2.Qe1, Qa1

But 1...f4!

Try: 1.Qg3? [2.Qxh3 [A], Qg1[B]]

But 1...hxg3!

Try: 1.Qxf5? [2.Qxh3 [A]]

But 1...Kh2!

Solution: 1.Qe3  [2.Qg1[B]]

1...f2 2.Qxh3

1...h2     2.Qxf3

Barnes theme