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the defending rook pins the bishop to the king on one of the four central files (c through f) or ranks (3 through 6); and; there are two or more ranks or files (respectively) between the kings. [25] The Cochrane defense can also be used with a rook against a rook and knight. [26]
Positions with two rook pawns are often a draw. A position with a rook pawn and bishop pawn on the same side of the board is usually a draw if they are not far advanced, but the defense is difficult. Overall, the rook pawn and bishop pawn win in 61% of games. [85] The rook pawn and bishop pawn almost always win if they both reach their sixth rank.
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 .
A pawnless chess endgame is a chess endgame in which only a few pieces remain, and no pawns.The basic checkmates are types of pawnless endgames. Endgames without pawns do not occur very often in practice except for the basic checkmates of king and queen versus king, king and rook versus king, and queen versus rook. [1]
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]
In the ending of a rook and pawn versus a rook, where the pawn is a knight pawn (b- or g-file), the defending king is in front of the pawn, but the defender cannot get his rook to the third rank for the drawing Philidor position, the defending rook draws on its first rank but loses if it is attacking the pawn from behind.
There is a saying that two connected passed pawns on the sixth rank are stronger than a rook. This is true if the other side has nothing but a rook to defend against the pawns (and the defender cannot immediately capture one of the pawns). In this diagram, White wins: 1. c6 Rd3. Similar is 1...Rc3. 2. c7. Also winning is 2.d7 followed by 3.c7 ...
A rook and a rook pawn always win against the wrong bishop, as in this position. The defender has the wrong bishop if it is the one on the same color as the pawn's promotion square. The winning procedure is to give up the pawn at the right time to get to a winning rook versus bishop endgame. If the bishop was on the other color, the defender ...