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In chess, a blunder is a critically bad mistake that severely worsens the player's position by allowing a loss of material, checkmate, or anything similar. It is usually caused by some tactical oversight, whether due to time trouble, overconfidence, or carelessness.
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 "?!".
Because of the forced capture rule, losing chess games often involve long sequences of forced captures by one player. This means that a minor mistake can doom a game. Such mistakes can be made from the very first move—it is currently known that a Black win can be forced after 13 of White's 20 legal opening moves.
Chess theory usually divides the game of chess into three phases with different sets of strategies: the opening, typically the first 10 to 20 moves, when players move their pieces to useful positions for the coming battle; the middlegame; and last the endgame, when most of the pieces are gone, kings typically take a more active part in the ...
Fool's mate was named and described in The Royal Game of Chess-Play, a 1656 text by Francis Beale that adapted the work of the early chess writer Gioachino Greco. [2]Prior to the mid-19th century, there was not a prevailing convention as to whether White or Black moved first; according to Beale, the matter was to be decided in some prior contest or decision of the players' choice. [3]
This glossary of chess explains commonly used terms in chess, in alphabetical order.Some of these terms have their own pages, like fork and pin.For a list of unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of named opening lines, see List of chess openings; for a list of chess-related games, see List of ...
Typos can do more than damage the credibility of a publication. Penguin books in Australia recently had to reprint 7,000 copies of a now-collectible book because one of the recipes called for ...
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.