Discovered attack
White to move. Can you find the best move?
♛♚♘♖♔
The move
Nf6+
Why it works
Moving one piece opens the line of another. The knight gives check and uncovers the rook on the queen. Black must answer the check, so you win the queen.
Chess Mirror finds the mistakes you keep making in your own games and turns them into puzzles. Your games stay on your device.