Pin (chess) Pin (chess) In chess, a pin is a situation brought on by an attacking piece in which a defending piece cannot move without exposing a more valuable defending piece on its other side to capture by the attacking piece. Moving the attacking piece to bring on the pin is called pinning; the defending piece so restricted is described as pinned. Only pieces that can move an indefinite number of squares in a horizontal, vertical, or diagonal line (i.e. bishops, rooks, and queens) can pin. Kings, knights, and pawns cannot pin. Any piece can be pinned except the king, since the
Dubai Chess and Culture Club rating list. Dubai Chess and Culture Club Dubai Chess and Culture Club was established in 1979 as a part of the UAE Chess Federation, the governing body of chess in the UAE, and was officially recognized as an independent entity on May 16, 1981. The club's headquarters was acclaimed as the most modern and biggest dedicated chess club in the world when it was inaugurated on May 2, 1999. The building is designed in the shape of a rook, a piece in the game of chess. Some of the most notable members of the club include Saeed Ahmed Saeed, the