Checkmate puzzle

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Avatar of laurengoodkindchess
White to move! What's the best move here?

Hi! My name is Lauren Goodkind and I’m a chess coach based and chess book author based in California: www.ChessByLauren.com

This position was taken from one of my games that I recently played.  What is white's best move here?  

Avatar of Lightyagami2411

Rh8 / Qh8 #