Three Large Chess Variants from India and Germany: a note on their rules

Abstract

Abstract This paper deals with three historical large chess variants, Hyderabad Decimal Chess from late 18th century India and the 19th century German games Kaiserspiel (or Emperor's Game, played on a 10×10 board) and Sultanspiel (Sultan's game, 11×11), and their treatment in the literature. For each game, a set of rules is suggested and discussed.