Descriptive notation abbreviated to the first letter of its name: K for king, Q for queen, R for rook, B for bishop, P for pawn. Knight begins with the same letter as king, so it is abbreviated to either "Kt" (used in older chess literature) or "N". "N" is used in this article. In 1944 "Chess Review" received many letters debating the change from Kt to N . In descriptive notation each square has two names, depending on Black's or White's viewpoint. Each is given a name corresponding with the piece that occupies the first at the start of the game. Thus
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