Original sentence: Chess is believed to have originated in northwest India, in the Gupta Empire ( 280–550), where its early form in the 6th century was known as chaturaṅga (), literally four divisions [of the military] – infantry, cavalry, elephants, and chariotry, represented by the pieces that would evolve into the modern pawn, knight, bishop, and rook, respectively
Edited sentence: Chess is believed to have originated in Eastern India,  280–550, in the Gupta Empire, where its early form in the 6th century was known as chaturaṅga (), literally four divisions [of the military] – infantry, cavalry, elephants, and chariotry, represented by the pieces that would evolve into the modern pawn, knight, bishop, and rook, respectively