Double Chess Double Chess Double Chess is a chess variant invented by Julian S. Grant Hayward in 1916. The game is played on a 12×16 chessboard with each player in control of two complete armies placed side-by-side. The rules were published in the January 1929 issue of "British Chess Magazine". The illustration shows the starting setup. A player wins by checkmating either enemy king. Additional rules: As in standard chess, pawns promote upon reaching the furthest . J. R. Capablanca, who had experimented with different forms of chess in the 1920s, found the game "remarkably interesting", and a four-game match was held
Game of the Three Friends Game of the Three Friends Game of the Three Friends (Chinese: , "Sān-yǒu-qí" ; also called Sanyou Qi or Three Friends Chess) is a three-player variant of the game xiangqi ("Chinese chess"). It was invented by Zheng Jinde (Chinese: , "Zhèng Jìndé") during the Qing Dynasty (1661–1722 AD). The game symbolizes the Three Kingdoms period war (221–264 AD) between the rival states Wei, Shu, and Wu, each vying for control of China after the fall of the Han Dynasty. The Three Friends are represented by colors blue, red, and green, respectively. Each player controls all the standard xiangqi pieces, with