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Grandmaster Vlastimil Hort giving a simultaneous exhibition, 1997. A simultaneous exhibition or simultaneous display is a board game exhibition (commonly chess or Go) in which one player (typically of high rank, such as a grandmaster or dan-level player) plays multiple games at a time with a number of other players.
Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.
The resulting standard game is sometimes referred to as Western chess [91] or international chess, [92] particularly in Asia where other games of the chess family such as xiangqi are prevalent. Since the 19th century, the only rule changes, such as the establishment of the correct procedure for claiming a draw by repetition, have been technical ...
Poole vs. HAL 9000 is a chess game depicted in the 1968 science fiction film 2001: A Space Odyssey. Astronaut Frank Poole (White) plays the supercomputer HAL 9000 (Black) using a video screen as a chessboard. Each player takes turns during a game in progress, making their moves orally using descriptive notation and natural language.
In computer chess, the output of an evaluation function is typically an integer, and the units of the evaluation function are typically referred to as pawns.The term 'pawn' refers to the value when the player has one more pawn than the opponent in a position, as explained in Chess piece relative value.
In chess, by far the most common scoring system is 1 point for a win, ½ for a draw, and 0 for a loss. A number of different notations are used to denote a player's score in a match or tournament, or their long-term record against a particular opponent. The most common are:
On certain Internet chess servers, such as Chess.com and Lichess, this kind of move is marked as an "inaccuracy", denoting a weak move, appearing more regularly than with most annotators. A sacrifice leading to a dangerous attack that the opponent should be able to defend against if they play well may receive a "?!".
In chess and other chess-like games, a tempo (from Italian: tempo, lit. 'time') is a "turn" or single move (a half-move or ply made either by White or Black). When a player achieves a desired result in one fewer move, the player is said to "gain a tempo"; conversely, when a player takes one more move than necessary, the player is said to "lose a tempo".