Colour is either white or black; Type is one of Kforking Qforqueen o Rforrook Bforbishop o Nforknight o Pforpawn

File is the file (column) of the board where the piece is located, and is denoted by lower-case letters ‘a’, ‘b’, ‘c’, ... ‘h’ • Row is the row of the board where the piece is located, and is denoted by numbers ‘1’, ‘2’, ... ‘8’

• It is an invalid move for the king to move into a position where it will be captured on the next move • If a player cannot avoid having their king captured on the next move, checkmate is declared and no further moves are processed.