Betza's funny notation ones. The notation is based on dividing moves that can be made on a board of squares into groups of symmetry-equivalent moves, the moves within a group differing only in the direction in which the step is taken. Each such group (referred to as "atom") is indicated by a capital, such as N for the 8 moves of the knight. The letter that represents the atom is usually the first letter of the simplest piece from current or historic chess variants that has this move, such as A and F for the alfil and ferz of shatranj (ancient Arabic/Persian chess).
Piece by Piece (song) 95, with an entry at number 37 on the UK Top Sales Chart, and on the ARIA Singles Chart at number 24. Following a performance of "Piece by Piece" by Rebecca Grace on The X Factor, the song re-entered the Official UK Singles Chart at number 27, attaining a new peak position. As of September 2017, the song has sold over 813,000 copies in the United States. Clarkson presented "Piece by Piece" in a short live acoustic performance on "The Tonight Show Starring Jimmy Fallon" on March 2, 2015, and explained how she co-wrote the song. She revealed that the