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(See § Check and checkmate.) A rook can move any number of squares along a rank or file. 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.
Proviso (4) above is exactly the rule that says you can't castle through check, though. The square the rook ends up on is exactly the same as the square the king passes through. It is actually (3) that is against the standard rules: you can castle if your rook is attacked. Double sharp 11:53, 5 October 2021 (UTC)
A checkmate may occur in as few as two moves on one side with all of the pieces still on the board (as in fool's mate, in the opening phase of the game), in a middlegame position (as in the 1956 game called the Game of the Century between Donald Byrne and Bobby Fischer), [3] or after many moves with as few as three pieces in an endgame position.
The chess endgame with a king and a pawn versus a king is one of the most important and fundamental endgames, other than the basic checkmates. [1] It is an important endgame for chess players to master, since most other endgames have the potential of reducing to this type of endgame via exchanges of pieces.
The two knights endgame is a chess endgame with a king and two knights versus a king. In contrast to a king and two bishops (on opposite-colored squares), or a bishop and a knight, a king and two knights cannot force checkmate against a lone king (however, the superior side can force stalemate [1] [2]).
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;
Since many pieces (pawn, lance, knight, silver) can all promote to gold-like piece, checkmate by a gold is usual. Because of the relative ease of mating with a gold compared to other pieces, it is often advantageous to keep a gold in hand during the endgame so that a mate with a dropped gold can be executed.
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.