Correct checkmate position

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tomkfl
Hello, I’m trying to understand why I’m not in checkmate position in the image below
ChesswithGautham

Edit then post

tomkfl

tomkfl

Got it. Thanks

MrJohn88P

You can take the 

eric0022
tomkfl wrote:
Hello, I’m trying to understand why I’m not in checkmate position in the image below

 

You played that move one move too early.

 

The queen has to be protected first before it would be checkmate, by something like Bc4 (although your opponent is likely to see through the checkmate and defend it accordingly).