Mate in One 2

Sometimes you can deliver an unexpected checkmate with just one move. Achieving “mate in one” requires careful observation of all the king’s escape squares. Sometimes, enemy pieces block their own king’s escape, but you can also control escape squares by attacking the areas around the king. If you then give a check, the game ends immediately: checkmate!

What do you have to do?

Find a move that puts the opponent’s king in check while controlling all its escape squares.