Algebraic notation (chess) board. Thus each square has a unique identification of file letter followed by rank number. (For example, White's king starts the game on square e1; Black's knight on b8 can move to open squares a6 or c6.) Each piece type (other than pawns) is identified by an uppercase letter. English-speaking players use the letters "K" for king, "Q" for queen, "R" for rook, "B" for bishop, and "N" for knight (since K is already used). "S" (from the German "Springer") was also used for the knight in the early days of algebraic notation and is still used in some chess
Piece by Piece Tour show is mixed with her greatest hits, new material off her latest album "Piece by Piece" and covers. Clarkson brought back "Fan Requests". For "Fan Requests" Clarkson picks a song that was requested via Twitter from someone in the audience each night and her and her band learn the song that day. Starting on July 16, in New York City, Clarkson started doing "KC Classic" in which Clarkson picks a different song each night from her catalog that is not used in the setlist. Also for this tour Clarkson had an "Open Mic Night" where she gave fans the opportunity