White to move and win.
C8 to get PGN.
Nice final fork by a pawn. The sequence starts on move 27. Kg3, where White forks Knight and Rook. Black escapes fork and gives the final blow with a pawn, White resigns.
This fork # 7.1 is explained in ebook Fork, a common chess pattern on Amazon.com , by Rodolfo Pardi.
For additional training on patterns, you can visit this page of mine: Patterns
Side to move: