Desperado (chess) Desperado (chess) In chess, a desperado piece is a piece that is or trapped, but captures an enemy piece before it is itself captured. This can be in either a situation where both sides have pieces, "...in which you use your doomed piece to eat as much material as possible before it dies"; or alternatively a sacrifice that will result in stalemate if it is captured. A simple example illustrating the first definition comes from a 1958 game between future World Champions Tigran Petrosian and Bobby Fischer (see diagram). White had just captured the e5-pawn with his knight on f3.
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