chess.com daily puzzle 20220401, A Routine April First Mate in One, white to move, Step 4

chess.com daily puzzle 20220401, A Routine April First Mate in One, white to move, Step 4
#dailypuzzle #chesstactics #chesssteps
Difficulty level: Step 4
Key concepts: mating, gain access to the king
My analysis: https://youtu.be/0NdtGN703ao