The bad news is that there is no single solution to Rule 16. There’s not even a daily solution, the puzzle will be different each time you play the game. So you’re going to have to do one of two ...
Genshin Impact’s patch 3.4 added more to Sumeru’s desert, including a chessboard puzzle. As you run around the Desert of Hadramaveth, you’ll notice the giant glowing chessboard in Safhe Shatranj.