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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]
Royal assent is the final step required for a parliamentary bill to become law. Once a bill is presented to the Sovereign, he or she has the following formal options: grant royal assent, thereby making the bill an act of Parliament. delay the bill's assent through the use of reserve powers, thereby invoking a veto [8]
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 ...
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.
In chess, a cross-check (or counter-check) is a tactic in which a check is played in response to a check, especially when the original check is blocked by a piece that itself either delivers check or reveals a discovered check from another piece.
The king's predecessor is the piece of the same name in shatranj. Like the modern king, it is the most important piece in the game and can move to any neighboring square. However, in shatranj, baring the king is a win unless the opponent can do the same immediately afterward; stalemating the king is a win; and castling does not exist.
[13] [14] Chess-variant theorist Ralph Betza identified the 'leveling effect', which causes reduction of the value of stronger pieces in the presence of opponent weaker pieces, due to the latter interdicting access to part of the board for the former in order to prevent the value difference from evaporating by 1-for-1 trading. This effect ...
None of the pieces are standard chess pieces. [37] Prince & Princess: The chess variant that uses the criterion of succession, where the king or queen are replaced in favor of the prince or the princess, created by Antonio Maravi Oyague. [38] Proteus: A chess variant using dice to represent normal chess pieces, created by Steve Jackson Games. [39]