White is heavily down in material, but their passed c-pawn will save the day. Can you see how? White to play. Find the best move.

1. c7 Bh4+ - Having nothing better to stop c8=Q with, Black goes after White's king. How should White continue?

2. Ke2 Ng3+ - How does White continue? A critical position - the white king has five legal moves; however, only one doesn't lose!

3. Kf3 Bxe4+ - White to play. Keep going!

4. Kg4 Bf5+ - How should White continue?

5. Kxh4 Nxh5 - What is White's best move?