Chess is a very old board game. The oldest chess piece is dated to 790 A.D. There are two players. Each has pieces on the board. The board itself has light and dark squares. The pawn piece moves forward, but it can only move one square at a time. The knight jumps over other pieces. The bishop only moves diagonally. The rook only moves in a straight line. The queen moves in any direction but can't jump. The king moves one square at a time in any direction. The object is to take the king.