Chess piece middle game, endings). A for example, is worth half a pawn. In specific circumstances, the values may be quite different: A knight can be more valuable than a queen in a particular decisive attack. Courier Chess, a predecessor of modern chess, used all six chess pieces plus a courier, man (or rath or sage), and jester. Although the symbols for pieces have international standards, the characters implied by pieces' names vary between languages. For example, in many languages, the piece known in English as the "knight" is named a term that translates to "horse". Chess piece A chess piece, or
Fairy chess piece David Parlett used a notation to describe fairy piece movements. The move is specified in the form m={"expression"}, where "m" stands for "move", and the "expression" is composed from the following elements: The following can be added to Parlett's to make it more complete: The format (not including grouping) is: <conditions> <move type> <distance> <direction> <other> On this basis, the traditional chess moves (excluding castling and "en passant" capture) are: Ralph Betza created a classification scheme for fairy chess pieces (including standard chess pieces) in terms of the moves of basic pieces with modifiers. Capital letters stand for basic leap