Rules of Chess

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Rules of Chess, (Laws of Chess)
the basic rules about the nature and objectives of the game of chess along with rules concerning a competition of chess playing entities (human, computer, teams), such as equipment used, time control, conduct and ethics of players or operators of chess engines, accommodations for physically challenged players, adjournment and adjudication rules, and recording of moves using chess notation [1].

Basic Rules

Chess is a two-player board game. Orthodox chess and Chess960 use a 8x8 chessboard and sixteen pieces of six types for each player, set up in the initial position or one of 960 Chess960 start positions. Each type, King, Queen, Rook, Bishop, Knight and Pawn moves and captures in a distinct way. The object of the game is to checkmate the opponent's king. Games do not necessarily end in checkmate - a player who expects to lose may resign, and a game can also end in a draw in several ways [1].

Competition Rules

The standard rules of over the board (OTB) chess between humans, and in parts, humans and computers [2], are set by FIDE with possible modifications by some national organizations and affiliates, in particular concerning fast chess and Chess960. Correspondence chess rules are set by the ICCF. The ICGA applies their ICGA Tournament Rules for computer chess events they organize, in particular the World Computer Chess Championship and World Chess Software Championship, so far played OTB. Online computer chess tournaments such as former CCT [3] and TCEC define their own rule sets [4].

Computer Assistance

While computer assistance is encouraged in advanced chess and in particular freestyle chess and de facto standard in correspondence chess [5], it is considered cheating in human online chess or standard chess tournaments and matches with standard time control.

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