Pawns move in a similar fashion to the pieces they start in front of. A cross variant between Ultima and usual chess. Swap chess . A move can consist of a series of pieces swapping places. Pieces can be put on top of rooks and moved with them.
Kings can move like queens.
T Tank chess . With exploding bombs and pushing tanks. Each player has one piece off the board, that can be switched every turn with one of his pieces but not the king. By Peter Aronson. Turning chess .