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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 operations.
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.
At 0x84 is a 'bubble-writing' X, meaning "close window". [1] At 0x87 is an unusual character that is a subscript 8 followed by a superscript 7. [1] It is not proposed for Unicode. [2] At 0x88, 0x89, 0x8A, and 0x8B are left, right, up, and down bubble arrows for window scrollbars. [1] The following table shows the RISC OS character set.
Forsyth–Edwards Notation (FEN) is a standard notation for describing a particular board position of a chess game. The purpose of FEN is to provide all the necessary information to restart a game from a particular position. FEN is based on a system developed by Scottish newspaper journalist David Forsyth.
For example, a high-end disk subsystem may be a single SCSI device but contain dozens of individual disk drives, each of which is a logical unit. Further, a RAID array may be a single SCSI device, but may contain many logical units, each of which is a "virtual" disk—a stripe set or mirror set constructed from portions of real disk drives.
The standard bearing off procedure used in most tables games is as follows: Bearing off is the process of removing one's men (pieces, checkers) off the board in the last phase of the game. To do this a player must move all 15 men into the home table first. To bear them, the player then rolls the dice and removes a man from a point whose number ...
Examples are captured pieces in shogi or Bughouse chess, able to be dropped into play as a move; or pieces that begin the game in a staging area off the main board, as in Ludo or Chessence. in play A piece active on the main board, not in hand or in a staging area. Antonym: out of play. interception capture See custodian capture. intervention ...
The meaning of the term "chess engine" has evolved over time. In 1986, Linda and Tony Scherzer entered their program Bebe into the 4th World Computer Chess Championship, running it on "Chess Engine," their brand name for the chess computer hardware [2] made, and marketed by their company Sys-10, Inc. [3] By 1990 the developers of Deep Blue, Feng-hsiung Hsu and Murray Campbell, were writing of ...