import chess.pgn
from chess import Board

pgn = open("somegames.pgn")
game = chess.pgn.read_game(pgn)

board = Board()

for node in game.mainline():
	move = node.move
	comment = node.comment
	print(board.fullmove_number)
	print(move)
	if comment:
		print(comment)
	else:
		print('(move has no comment)')
	board.push(move) # last so that the move numbers are correct, yeah, we could also just count up instead of pushing moves to the board.
	print()