Hi! Thanks a lot for this plugin; the initiative to bring chess to RPG Maker is really cool. However, I noticed a major bug regarding the basic rules, specifically concerning how the King and "check" are handled: The problem: The King is currently treated just like any other piece (like a Knight or a Bishop). What happens in-game: If an opponent's piece (a Bishop, for example) puts my King in check, the plugin doesn't detect it. I can completely ignore the threat and move a Knight or another piece if I want to. On the next turn, the opponent can simply "capture" my King as if it were an ordinary piece. What should happen: Normally, as soon as a King is in check, the player must be forced to deal with the threat (either by moving the King, blocking the attack, or capturing the threatening piece). It shouldn't be possible to move a different piece, and the King should never be captured on the board in that manner (that is the principle of Checkmate).