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The king is not allowed to castle when it is in check. Blocking the check . Also called interposing , this is possible only if the checking piece is a queen , rook , or bishop and there is at least one empty square in the line between the checking piece and the checked king.
A dead position is defined as a position where neither player can checkmate their opponent's king by any sequence of legal moves. [34] According to the rules of chess the game is immediately terminated the moment a dead position appears on the board. Some basic endings are always dead positions; for example: king against king;
If one player castles kingside and the other queenside, it is called opposite castling or opposite-side castling. Castling on opposite sides usually results in a fierce fight, as each player's pawns are free to advance to attack the opponent's castled position without exposing the player's own castled king.
There are also positions in which a king and a knight can checkmate a king and a bishop, knight, or rook; or a king and a bishop can checkmate a king with a bishop on the other color of squares or with a knight, but the checkmate cannot be forced if there is no other material on the board (see the diagrams for some examples). [53]
A player may not castle to get their king out of check. A king can capture an adjacent enemy piece if that piece is not protected by another enemy piece. A piece is interposed between the king and the attacking piece to break the line of threat (not possible when the attacking piece is a knight or pawn , or when in double check ).
In chess, the bishop and knight checkmate is the checkmate of a lone king by an opposing king, bishop, and knight.With the stronger side to move, checkmate can be forced in at most thirty-three moves from almost any starting position.
The ladder mate, [17] [18] also known as a lawnmower mate, is by far one of the most common checkmate patterns. In this mate, two major pieces (which can be two queens, two rooks or one rook and one queen) work together to push the enemy king to one side of the board.
Rooks are usually similar in appearance to small castles; thus, a rook is sometimes called a "castle", [18] though modern chess literature rarely, if ever, uses this term. [ 19 ] In some languages, the rook is called a ship: Thai เรือ ( reūa ), Armenian Նավակ ( navak ), Russian ладья ( ladya ), Javanese ꦥꦿꦲꦸ ( prahu ).