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The empress is one of the most simply described fairy chess pieces and as such has a long history and has gone by many names. It was first used in Turkish Great Chess, a large medieval variant of chess, where it was called the war machine (dabbabah; not to be confused with the piece more commonly referred to as the dabbaba today, which is the (2,0) leaper).
The rook (/ r ʊ k /; ♖, ♜) is a piece in the game of chess. It may move any number of squares horizontally or vertically without jumping, and it may capture an enemy piece on its path; it may participate in castling .
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 ...
The rook mate is one of the four basic checkmates. It occurs when the side with the king and rook box in the bare king to the corner or edge of the board. The mate is delivered by the rook along the edge rank or file, and escape towards the centre of the board is blocked by the king.
If the side with the pawn can reach this type of position, they can forcibly win the game. Most rook and pawn versus rook endgames reach either the Lucena position (with the King of the stronger side in front of the pawn) or the Philidor position (with the defending King in front of the pawn) if played accurately. [2]
A rook (♖ ♜, borrowed from Persian رخ rokh, Sanskrit rath, "chariot") or castle is a piece in the strategy board game of chess. "Rook" is the standard term used by contemporary chess players. <FN> In the past the piece was also called the tower, marquess, rector, and comes (Sunnucks 1970). Each player starts with two rooks, one in each of ...
An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one ...
The whole rook's graph for an n × m chessboard can be formed from these two kinds of cliques, as the Cartesian product of graphs K n K m. [2] Because the rook's graph for a square chessboard is the Cartesian product of equal-size cliques, it is an example of a Hamming graph.