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In addition, queenside castling is initially obstructed by more pieces than kingside castling, thus taking longer to set up than kingside castling. On the other hand, queenside castling places the rook more efficiently on the central d-file, where it is often immediately active; meanwhile, with kingside castling, a tempo may be required to move ...
Castling consists of moving the king two squares towards a rook, then placing the rook on the other side of the king, adjacent to it. Castling is only permissible if all of the following conditions hold: [11] The king and rook involved in castling must not have previously moved; There must be no pieces between the king and the rook;
Castling can be done on either the kingside (notated 0-0) or the queenside (0-0-0). Castling cannot be done in reply to a check, nor if the king were to cross or land on a square which is under attack by the opponent, nor if either the king or the rook involved has already moved. [67] [68] castling into it
Castling: The notation O-O is used for castling kingside and O-O-O for castling queenside. The word " Castles " is sometimes used instead, particularly in older literature, in which case it may be necessary to disambiguate between kingside and queenside castling; this may be done by specifying the rook or side, i.e. " Castles KR ," " Castles Q ...
Castling is written using the king's start position and end position. Castling kingside is written as 5171 for White and 5878 for Black, and castling queenside is written as 5131 for White and 5838 for Black. The rook's start and end positions are implied.
A rook is involved in the king's castling move. A bishop can move any number of squares diagonally. A queen combines the power of a rook and bishop and can move any number of squares along a rank, file, or diagonal. A knight moves to any of the closest squares that are not on the same rank, file, or diagonal. (Thus the move forms an "L"-shape ...
After a-side castling (queenside /long castling in classical chess), the king finishes on the c-file and the a-side rook finishes on the d-file. The move is notated 0-0-0 as in classical chess. After h-side castling (kingside /short castling in classical chess), the king finishes on the g-file and the h-side rook finishes on the f-file. The ...
When castling, the king moves two squares horizontally toward one of its rooks, and that rook is placed on the square over which the king crossed. Castling is permissible under the following conditions: Neither the king nor the castling rook have previously moved. No squares between the two pieces are occupied. The king is not in check.