Level 114 / Door 114 Answer: Enter the combination “683” on the keypad. How we solved it: Above the door there’s the hint “One King Move”, meaning you must figure out where each brown piece has to move to become a King. Each side of the board allows you to become a King (imagine rotating the board so that you’re moving to the opponent’s side).
On the side of the board are coordinates (letters and numbers) which represent each piece’s position. Here’s the following moves (below is a screenshot of where they would move).