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A skewer is the opposite of a pin; the difference is that in a skewer, the more valuable piece is the one under direct attack and the less valuable piece is behind it. [ 1 ] [ 2 ] The opponent is compelled to move the more valuable piece to avoid its capture, thereby exposing the less valuable piece which can then be captured (see chess piece ...
See chess clock. game score Often shortened to score. The record of a game in some form of notation, usually algebraic notation. In over-the-board tournaments, the game score is recorded on a score sheet. [190] gardez [from French: gardez la reine!, "Protect the Queen!"] An announcement to the opponent that their queen is under direct attack ...
The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game . Each player controls sixteen pieces of six types on a chessboard .
In chess, an X-ray or X-ray attack is a tactic where a piece indirectly controls a square from the other side of an intervening piece. Generally, a piece performing an X-ray either: effects a skewer, [1] [2] [3] indirectly attacks an enemy piece through another piece or pieces, or; defends a friendly piece through an enemy piece.
Some chess variants use more than a single board per match. Bughouse chess, for example, involves four players playing two simultaneous matches on separate boards. [18] Alice Chess is a popular variant which is usually played on two boards to facilitate the movement of pieces between the boards. [19]
Cylinder chess – played on a cylinder, which results in joining the right and left sides of the board. Circular chess – variant played on a circular board. Alice Chess – played with two boards, one of which starts empty. After the completion of each move, the piece that moved is transferred to the same square of the other board (after a ...
The above type of problems are usually considered orthodox, in the sense that the standard rules of chess are observed. Fairy chess problems, also called heterodox problems, involve altered rules, such as the use of unconventional pieces or boards, or stipulations that contradict the standard rules of chess such as reflexmates or seriesmovers.
It occurs when the side with the king and rook box in the bare king to the corner or edge of the board. The mate is delivered by the rook along the edge rank or file, and escape towards the centre of the board is blocked by the king.