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 (book) Piece by Piece (book) Piece by Piece is an autobiographical book by singer/songwriter Tori Amos and co-authored by rock music journalist Ann Powers. It was published in the U.S. on February 8, 2005 and in the U.K. in June 2005. The book is told in a conversational style with questions posed by Ann and responded to by Tori. They compiled the material for the book through phone calls, e-mail conversations and in-person interviews. Along with details about Amos' career, music and personal life it also delves into mythology and religion in a fashion often associated with Amos. The lyrics "piece