It kinda sucks that they changed to rule to require you to promote a pawn to a piece of your own color. The mate-in-1 puzzle on that promotion page that require

It kinda sucks that they changed to rule to require you to promote a pawn to a piece of your own color. The mate-in-1 puzzle on that promotion page that requires promoting a pawn to an opponent's knight is pretty neat and I can't see that rule having a practical impact on any real chess game.