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Board representation in computer chess is a data structure in a chess program representing the position on the chessboard and associated game state. [1] Board representation is fundamental to all aspects of a chess program including move generation, the evaluation function, and making and unmaking moves (i.e. search) as well as maintaining the state of the game during play.
Some chess variants use more than a single board per match. Bughouse chess, for example, involves four players playing two simultaneous matches on separate boards. [18] Alice Chess is a popular variant which is usually played on two boards to facilitate the movement of pieces between the boards. [19]
The 0x88 chess board representation is a square-centric method of representing the chess board in computer chess programs. The number 0x88 is a hexadecimal integer (136 10 , 210 8 , 10001000 2 ). The rank and file positions are each represented by a nibble (hexadecimal digit), and the bit gaps simplify a number of computations to bitwise ...
Chess diagrams are widely used in chess publications as an aid to visualisation, or to aid the readers to verify that they are looking at the correct position on their chessboard or computer. The symbols used generally resemble the pieces of the standard Staunton chess set , although a number of different fonts have been used over the centuries.
At the outset, each player controls an entire quadrant of the board with a full set of chess pieces (minus one pawn). Partners occupy quadrants diagonally across from each other. The diagram at right shows the initial layout of the Forchess board (K=King, Q=Queen, R=Rook, B=Bishop, N=Knight, and P=Pawn). Four squares are initially unoccupied.
Alice Chess – played with two boards, one of which starts empty. After the completion of each move, the piece that moved is transferred to the same square of the other board (after a move on the second board, the piece returns to the first board). Hexagonal chess – any of various variants played on a hexagonal board or board with hexagonal ...
These templates shows a chess diagram, a graphic representation of a position in a chess game, using standardised symbols resembling the pieces of the standard Staunton chess set. The default template for a standard chess board is {{Chess diagram}}. This documentation covers all related templates.
Grid chess sample position. Grid chess is a chess variant invented by Walter Stead in 1953. [1] It is played on a grid board. This is a normal 64-square chessboard with a grid of lines further dividing it into larger squares. A single additional rule governs Grid chess: for a move to be legal, the piece moved must cross at least one grid line.