The earliest predecessors of the game , chaturanga , originated in India in the 6th century AD , and spread from China to Japan , where it spawned a number of variants .
The earliest predecessors of the game , chaturanga , originated in India in the 6th century AD , and spread from China to Japan , where it spawned a number of variants .
The earliest predecessors of the game, chaturanga, originated in Persia in the 6th century AD, and spread from India to Japan, where it spawned a number of variants.