How does white checkmate black in one move?

Sort:
laurengoodkindchess

Hi! My name is Lauren Goodkind and I’m a respected  chess coach and chess YouTuber based in California: 

https://www.youtube.com/channel/UCP5SPSG_sWSYPjqJYMNwL_Q

This puzzle is for beginners.  White to move.  How does white checkmate black in one move?  This position was taken from a game that I played recently!