Dacha Tactics #118 - Silent dark!

Student Shimmy has the white pieces. The black king is surely getting feisty... to the naked eye it sits pretty on f4. Or does it? Color money is were ahead on light but behind on dark. Maybe just maybe we can rebuild dark and tie the noose around the wayward black king!

Interact with the puzzle below.  If you get stuck, you can always click the "lightbulb" icon in the lower-left of the puzzle frame.  Good luck!