Rook definition is - a common Old World gregarious crow (Corvus frugilegus) that nests and roosts in usually treetop colonies. It is hard to drive the defending king to the edge. This is shown in the diagram below. This combination of material is one of the most common pawnless chess endgames. The rook moves forward or back on the files through any number of squares without other pieces on them, and sideways on the ranks. the defending rook pins the bishop to the king on one of the four central files (, there are two or more ranks or files (respectively) between the kings (. The rook and king also take part in a special move called castling. Kd1!, reaching the Szén position.  White cannot reach the Cochrane Defense. Or 4...Kc8 5.Ra7 Rb1 6.Rf7 Kb8 7.Rf8+ Ka7 8.Ra8+ Kb6 (White wins because the chessboard has only eight files) 9.Rb8+. When recording games, it is shortened to R, and when printed a figurine is used. Alternatives are: This idle move maintains the necessity of the black rook on the e-file, forcing it to its next best position on e1. This phase is important because the opposing king must not be allowed to reach the sixth rank (or equivalent). The "second-rank defense" is a passive defense with the defending king and rook on a rank or file one over from the edge of the board (e.g. Stopping the check on d3 and cutting off the rook entirely. Black to move, draw with either side to move. The game was drawn on move 127 (Benko 2007:98). The basic idea is to pin the bishop to its king when there are at least two ranks or files between it and the defending king. The defense is most effective near the center of the board, and does not work on the edge (Nunn 2002:174ff). By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Each player has two rooks (formerly also known as castles), which begin the game on the corner squares a1 and h1 for White, a8 and h8 for Black. The Rook ; By FM FunMasterMike Jan 1, 2017 331833 Views 5 minutes ; Today, ChessKids, we learn how to move the chess pieces! Switching the attacking rook to the other side of the king is no longer dangerous (Nunn 2002:180–81). It forces the black rook to the inferior third rank while preventing 5...Rd1+. In Russia it was usually represented as a sailing ship until the 20th century. Being a five-piece endgame, the rook and bishop versus rook endgame has been fully analysed using computers. Edmar Mednis estimated that less than 4% of starting positions that occur in games are theoretical wins (Mednis 1996:80). It has been studied many times through the years. The rook moves forward or back on the files through any number of squares without other pieces on them, and sideways on the ranks.This is shown in the diagram below. The queen vs rook endgame usually ends with a win for the side with the queen. The defense is most effective near the center of the board.
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