Fairy chess piece the queen combines both patterns. Sliders are a special case of riders which can only move between geometrically contiguous cells. All of the riders in orthodox chess are examples of sliders. Riders and sliders can create both pins and skewers. One popular fairy chess rider is the nightrider, which can make an unlimited number of knight moves in any direction (like other riders, it cannot change direction partway through its move). The names of riders are often obtained by taking the name of its base leaper and adding the suffix "rider". For example, the zebrarider is a (2,3)-rider. A hopper
Madrasi chess on g2). In addition to Madrasi RI, another variant is Isardam ("Madrasi" spelled backwards), in which only moves that do not lead to a Madrasi paralysis are legal. Madrasi chess Madrasi chess is a chess variant invented in 1979 by Abdul Jabbar Karwatkar. The game uses the conventional rules of chess with the addition that when a piece is attacked by a piece of the same type but opposite colour (for example, a black queen attacking a white queen) it is paralysed and becomes unable to move, capture or give check. Most of the time, two like pieces attack each