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 Tour to perform a "cover" song on stage. Fans submitted a video of themselves through various social media websites and Clarkson then selected one winner for each city. Some highlights from the show are Clarkson singing "Heartbeat Song" with opening act Pentatonix and "Walk Away" being mashed up with Mark Ronson and Bruno Mars' hit song "Uptown Funk". She opens the show with "Dance With Me", a track off "Piece by Piece" and closes with her hit "Since U Been Gone". General sales for the tour will begin on Saturday, March 14, 2015. Citi has been listed as the official bank