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In chess, a relative value (or point value) is a standard value conventionally assigned to each piece. Piece valuations have no role in the rules of chess but are useful as an aid to evaluating a position. The best-known system assigns 1 point to a pawn, 3 points to a knight or bishop, 5 points to a rook and 9 points to a queen. Valuation ...
An important technique in evaluation since at least the early 1990s is the use of piece-square tables (also called piece-value tables) for evaluation. [11] [12] Each table is a set of 64 values corresponding to the squares of the chessboard. The most basic implementation of piece-square table consists of separate tables for each type of piece ...
Chess piece relative value – relative value of chess pieces, based on their relative power. Premove – used in fast online games, it refers to a player making his next move while his opponent is thinking about his move. After the opponent's move, the premove will be made, if legal, taking only 0.1 seconds on the game clock.
The value assigned to a piece attempts to represent the potential strength of the piece in the game. As the game develops, the relative values of the pieces will also change. For example, in an open game, bishops are relatively more valuable; they can be positioned to control long, open diagonal spaces.
A mathematical approach used to determine relative piece value in Musketeer Chess estimated the value of the princess as 770 centipawns on an 8x8 board. [2] Princess versus rook is usually a draw, as is queen versus princess. King and princess versus king is a forced win for the side with the princess; checkmate can be forced within 17 moves ...
The book is divided into six sections: The Elements of Chess, The Theory of the Openings, The Combination, Position Play, The Aesthetic Effect in Chess, and Examples and Models. The Elements of Chess opens with a description of the chess board, the various rules of chess, and the relative values of the pieces.
The Fischer random chess numbering scheme can be shown in the form of a simple two-tables representation. Also a direct derivation of starting arrays exists for any given number from 0 to 959. This mapping of starting arrays and numbers stems from Reinhard Scharnagl and is now used worldwide for Fischer random chess.
The bishop's predecessor in medieval chess, shatranj (originally chaturanga), was the alfil, meaning "elephant", which could leap two squares along any diagonal, and could jump over an intervening piece. As a consequence, each fil was restricted to eight squares, and no fil could attack another.