The game idea is very clever. I liked it a lot! It feels really difficult to figure out though (I'm a chess noob), but I would love to see this game expanded more! Maybe more features that can help beginners to figure out the moves that are impossible to be made, and also the spawning mechanism can be a bit clearer. Felt clueless at times, and feels a bit frustrating undoing and trying to figure out valid and good moves.