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Portable Game Notation (PGN) is a standard plain text format for recording chess games (both the moves and related data), which can be read by humans and is also supported by most chess software. This article uses algebraic notation to describe chess moves.
White replies 15.hxg6 e.p.#. The result is a double check even though the white pawn does not give check: one check is given by the rook, discovered by the capturing pawn's move; the other by the bishop, revealed by the captured pawn's removal. Such a double check is extremely rare in practical play, but it is sometimes found in chess problems.
It is now almost universally used by books, magazines, newspapers and software, and is the only form of notation recognized by FIDE, [2] the international chess governing body. An early form of algebraic notation was invented by the Syrian player Philip Stamma in the 18th century. In the 19th century, it came into general use in German chess ...
Chess notation systems are used to record either the moves made or the position of the pieces in a game of chess. Chess notation is used in chess literature, and by players keeping a record of an ongoing game. The earliest systems of notation used lengthy narratives to describe each move; these gradually evolved into more compact notation systems.
In chess and similar games, check is a condition that occurs when a player's king is under threat of capture on the opponent's next turn. A king so threatened is said to be in check . A player must get out of check if possible by moving the king to an unattacked square, interposing a piece between the threatening piece and the king, or ...
The result is a double check: One check is given by the rook, discovered by the capturing pawn's move; the other by the bishop, created by the captured pawn's removal. (The bishop’s check is not a discovered check, as the black pawn is captured and not moved.) Such a check is extremely rare in practical play, but it is sometimes found in ...
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A cross-check occurs from time to time in games. It is an essential tactic in winning endgames such as two queens versus one queen, or queen and pawn versus queen, where it is used to stop a series of checks from the opponent and force the exchange of queens. It is also used in some chess problems.