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This article covers computer software designed to solve, or assist people in creating or solving, chess problems – puzzles in which pieces are laid out as in a game of chess, and may at times be based upon real games of chess that have been played and recorded, but whose aim is to challenge the problemist to find a solution to the posed situation, within the rules of chess, rather than to ...
The following rules are applicable to games in organized tournaments and matches, sanctioned by FIDE. They mention timing (chess clocks), arbiters (or, in USCF play, directors), keeping score, and adjournment. The FIDE Laws of Chess define the rules for standard chess, rapid chess, blitz chess, and guidelines for Chess960.
Turochamp simulates a game of chess against the player by accepting the player's moves as input and outputting its move in response. The program's algorithm uses a heuristic to determine the best move to make, calculating all potential moves that it can make, then all of the potential player responses that could be made in turn, as well as further "considerable" moves, such as captures of ...
Download as PDF; Printable version; In other projects ... Pages in category "Rules of chess" ... out of 20 total.
Like a relative pin, a situational pin does not legally restrict the piece from moving, but moving the pinned piece out of the line of attack can result in some detriment to the player (e.g. checkmate, immediate loss of the game, occupation of a critical square by the opponent, etc.). Consider the diagrammed position with White to move.
In games that cannot end in a draw, such as Hex, the pie rule theoretically gives the second player a win (since one of the players must have a winning strategy after the first move, and the second player can choose to be this player), but the practical result is that the first player will choose a move neither too strong nor too weak, and the ...
In competitive two-player games, the killer heuristic is a move-ordering method based on the observation that a strong move or small set of such moves in a particular position may be equally strong in similar positions at the same move (ply) in the game tree. Retaining such moves obviates the effort of rediscovering them in sibling nodes.
The touch-move rule in chess specifies that a player, having the move, who deliberately touches a piece [a] on the board must move or capture that piece if it is legal to do so. If it is the player's piece that was touched, it must be moved if the piece has a legal move.