Enter Your Reply The Comment You're Replying To H. G. Muller wrote on Mon, Feb 24 06:21 AM UTC in reply to Guillermo Garcia from 01:25 AM:What are 'pieces outside the board'? And how can a Bishop outside the board be 'on a color'? What happens on promotion? What happens when I swap a Pawn to the promotion rank? What happens when I swap one to the initial Pawn rank, will it have a double push? The description seems totally inadequate. Edit Form You may not post a new comment, because ItemID MSouter-swap-chess does not match any item.