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A move that is not permitted by the rules of chess. An illegal move discovered during the course of a game must be corrected. [211] illegal position A position in a game that is a consequence of an illegal move or an incorrect starting position; a position that is impossible to reach by any sequence of legal moves. [211] IM
Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. 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. Each type of piece moves in a distinct way.
The Durkin Opening (also known as the Durkin Attack or the Sodium Attack) is a rarely played chess opening that consists of the following move: 1. Na3. The Durkin Opening is named for Robert T. Durkin (1923–2014) of New Jersey. The name "Sodium Attack" comes from the algebraic notation 1.Na3, as Na is the chemical symbol for the element sodium.
A pin is a move that inhibits an opponent piece from moving, because doing so would expose a more valuable (or vulnerable) piece behind it. Only bishops, rooks, and queens can perform a pin, since they can move more than one square in a straight line. If the pinned piece cannot move because doing so would produce check, the pin is called absolute.
Chess composition is the art of creating chess problems (also called chess compositions). The creator is known as a chess composer. [165] There are many types of chess problems; the two most important are: Directmates: White to move and checkmate Black within a specified number of moves, against any defense.
The touch-move rule in chess specifies that a player, having the move, who deliberately touches a piece [a] on the board must move or capture that piece if it is legal to do so. If it is the player's piece that was touched, it must be moved if the piece has a legal move.
A college baseball game turned shockingly violent today as a pitcher tackled a base runner right in the middle of the play. In the top of the sixth inning of today’s NJCAA game between North ...
block and tackle American football, rugby, etc: The basics, to get back to the basics. When referenced, it is usually speaking to changing the behavior or going back to an earlier time when things were functional or building basic skills to ensure the success of various endeavors.