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).
That Only a Mother one of the best science fiction short stories before the creation of the Nebula Awards. As such, it was published in "The Science Fiction Hall of Fame Volume One, 1929-1964". Jonathan Strahan has emphasized how uncommon it was at the time for science fiction to provide a woman's perspective, but nonetheless calls the story dated, saying that the passage of decades has changed it from "a chilling and timely piece of science fiction" to "an important but not particularly moving historical footnote." That Only a Mother "That Only a Mother" is a science fiction short story by American writer Judith