Rules of chess are variations of the rules for fast chess, correspondence chess, online chess, and Chess960. Chess is a two-player board game utilizing a chessboard and sixteen pieces of six types for each player. Each type of piece moves in a distinct way. The goal of the game is to checkmate (threaten with unescapable capture) the opponent's king. Games do not necessarily end with checkmate; players often resign if they believe they will lose. A game can also end in a draw in several ways. Besides the basic moves of the pieces, rules also govern the equipment used, time control, conduct and
Three-player chess avoid this "petty diplomacy" problem by determining the victor as the player who first delivers checkmate, with the third player losing in addition to the checkmated player. Other solutions have been tried as well. Some variants use a board with hexagonal cells. Usually three bishops per side are included, to cover all cells of the hex playing field. Pieces move usually as in one of the versions of hexagonal chess. Some variants use a hexagonal-shaped board with quadrilateral cells (see example in the photo). Some variants have used other board shapes with quadrilateral cells. Triangular cells not on the perimeter