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There are other symbols used by various chess engines and publications, such as Chess Informant and Encyclopaedia of Chess Openings, when annotating moves or describing positions. [8] Many of the symbols now have Unicode encodings, but quite a few still require a special chess font with appropriated characters.
Sometimes a given check is part of a chess tactic such as a fork, a skewer, or a discovered attack on another piece. In some cases, a check can be used to defend against such tactics. There are also a few more special types of check: Discovered check. A discovered check is similar to any other type of discovered attack except that it is a ...
A piece leaves a square, and then later in the solution returns to it by a circuitous route (for example, a rook moves e3–g3–g5–e5–e3). Cf. switchback, in which the route taken to the original square is direct. royal piece In the context of chess variants, a piece subject to check and checkmate, as the king is in orthodox chess. [7]
An enemy pawn or a piece other than a knight is used to restrict the enemy king's movement. It is a type of Anderssen's mate and closely resembles Mayet's mate. The checkmate was named after its implementation by Paul Morphy in 1858 at a game at the Paris opera against Duke Karl of Brunswick and Count Isouard; see Opera game.
While a chess puzzle is any puzzle involving aspects of chess, a chess problem is an arranged position with a specific task to be fulfilled, such as White mates in n moves. Chess problems are also known as chess compositions because the positions are specially devised, rather than arising from actual games. Chess problems are divided into ...
A chess problem, also called a chess composition, is a puzzle created by the composer using chess pieces on a chessboard, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is to move first, and checkmate Black in two moves against any possible defence.
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A chess puzzle is a position usually taken from an actual game or from analysis of an actual game, presented with the goal of finding the best move and continuation for the side to play. Chess puzzles are commonly used for tactical training, as the solutions typically involve a combination ending in checkmate, decisive advantage, or successful ...