Failed queen sac

Black sacrificed his queen for a back rank mate. He resigned around 5 seconds after I took his queen (and he didn't even see the hanging rook on c5 that was there for 3 moves before this) talk about tunnel vision!

Black sacrificed his queen for a back rank mate. He resigned around 5 seconds after I took his queen (and he didn't even see the hanging rook on c5 that was there for 3 moves before this) talk about tunnel vision!