Dai-shogi board size is 15 squares × 15 squares. It has 130 pieces( sum of black and white) in initial. And it has 38 kinds pieces( 29 kinds in initial)
Most of kinds pieces can promote. And promoted pieces changes its movement, so you need to consider carefully promotion or not. One piece can promote only one time.
The origin of piece' names after juels, divine beasts, literal movement or human resources.That transration to English is with my Japanese-English sense so otherone may use other transration.