Possible Clues:

• Change with change of neat with every other
• Change every other with a ten
• Every other change over ante
• High flier flanked by a former deputy
• Every other change to made it ante, for instance
• Change to first the one, then the other
• Perhaps change it to ante for a stand-in
• Change to a ten, for instance, every other one
• Every other change what the North consumed
• What black and white squares do on a chessboard