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).
The Missing Piece (book) The Missing Piece (book) The Missing Piece is a children's picture book by poet Shel Silverstein. The story centers on a circular shape-like creature that is missing a wedge-shaped piece of itself. It doesn't like this, and sets out to find its missing piece, singing: "Oh, I'm lookin' for my missin' piece" "I'm lookin' for my missin' piece" "Hi-dee-ho, here I go" "lookin' for my missin' piece" It starts out on a grand adventure searching for the perfect piece to complete itself, while singing and enjoying the scenery. But after the circle finally finds the exact-sized wedge that fits it,