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).
All that is gold does not glitter All that is gold does not glitter "All That is Gold Does Not Glitter" (alternatively known as "The Riddle of Strider" or "Song of Aragorn") is a poem written by J. R. R. Tolkien for his fantasy novel "The Lord of the Rings". It alludes to an integral part of the plot that describes Aragorn, son of Arathorn. The poem appears twice in "The Fellowship of the Ring", the first volume of "The Lord of the Rings". It appears first in Chapter Ten, "Strider", in Gandalf's letter to Frodo Baggins in Bree, although when Frodo reads it he does not