Chess piece relative value value for the king is given, this is used when considering piece development, its power in the endgame, etc. World Correspondence Chess Champion Hans Berliner gives the following valuations, based on experience and computer experiments: There are adjustments for the rank and file of a pawn and adjustments for the pieces depending on how open or closed the position is. Bishops, rooks, and queens gain up to 10 percent more value in open positions and lose up to 20 percent in closed positions. Knights gain up to 50 percent in closed positions and lose up to 30 percent in the
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