Battle Chess

There's been a couple of times when I can see that two of my pieces are in danger and I want to move them both on the same move. Which in real combat conditions would be possible. However in real combat conditions you don't take turns either. Battle Chess is my idea where white and black move at the same time, or can hold position for at least one turn, when the position is worth holding. First move has to be a move though. Otherwise cautious players just wouldn't start the game.

My thoughts on play. The players each move as many pieces as they plan to move that turn, then green check the move, like with multiple day games. Then the computer moves the pieces. It's easier to do online like fog of war and spell chess, hence why I am suggesting it here. But both players moving pieces simultaneously means that an intended capture could end up missing the other piece because it moved on the same turn. That also means that checkmating is an actual King capture.

Does anyone like the idea?