ChuHe HanJie Chess

The Chu River Han boundary is the dividing line in the chess board, derived from the Chu-Han War. From the format of the chessboard, the two sides of the Chu River Han boundary are nine straight lines and five horizontal lines. Nine, the largest in numbers, five, in the middle of the number, vertical nine horizontal five combined to form the "Nine Five" Supreme, which is the highest and the largest and broadest, representing the imperial throne. After the chess pieces were placed on both sides, ...