Nightrider (chess) Nightrider (chess) A nightrider (also known as a knightmare or unicorn, though the latter sometimes also means the bishop+nightrider compound) is a fairy chess piece that can move any number of steps as a knight in the same direction. The nightrider is often represented by a symbol similar to the knight's icon, but altered in a way to indicate the additional straight-line motion. In this article the nightrider is represented with an inverted knight, and notation N (in which case the "knight" is abbreviated as S for German "Springer"). The nightrider was invented by T. R. Dawson in 1925, and
Human chess Human chess Human chess is a form of chess in which people take the place of pieces. Human chess is typically played outdoors, either on a large chessboard or on the ground, and is often played at Renaissance fairs. Many human chess games are choreographed stage shows performed by actors trained in stage combat. When this is the case, piece captures are represented by choreographed fights that determine whether the piece is actually taken or not. Alternatively, the pieces may spar, following rules similar to those used by the Society for Creative Anachronism. A costumed human chess game has been