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 Remixed Club Songs hit singles—"Heartbeat Song:, which peaked at number one; and "Invincible", which peaked at number two. "Piece by Piece Remixed" made its debut chart appearance at the top of the "Billboard" Dance/Electronic Albums chart in its issue dated March 26, 2016, marking Clarkson's first entry on the chart. Debuting with 2,000 copies of digital album sales, it also debuted on the "Billboard" Top Album Sales chart at number 179, which is a component of the "Billboard" 200 chart. "Piece by Piece Remixed" was also the first remix album to debut at the top of the Dance/Electronic Albums chart in