old_contents: from chess.core.models import Piece
  
  o = Piece.NONE
  P = Piece.WHITE_PAWN
  B = Piece.WHITE_BISHOP
  N = Piece.WHITE_KNIGHT
  R = Piece.WHITE_ROOK
  Q = Piece.WHITE_QUEEN
  K = Piece.WHITE_KING
  p = Piece.BLACK_PAWN
  b = Piece.BLACK_BISHOP
  n = Piece.BLACK_KNIGHT
  r = Piece.BLACK_ROOK
  q = Piece.BLACK_QUEEN
  k = Piece.BLACK_KING
  
  INITIAL_BOARD = [[r, n, b, q, k, b, n, r],
                   [p, p, p, p, p, p, p, p],
                   [o, o, o, o, o, o, o, o],
                   [o, o, o, o, o, o, o, o],
                   [o, o, o, o, o, o, o, o],
                   [o, o, o, o, o, o, o, o],
                   [P, P, P, P, P, P, P, P],
                   [R, N, B, Q, K, B, N, R]]
  
  
  def print_board(board):
      for row in board:
          print(row)
  
new_contents: from chess.core.models import Piece
  
  o = Piece.NONE
  P = Piece.WHITE_PAWN
  B = Piece.WHITE_BISHOP
  N = Piece.WHITE_KNIGHT
  R = Piece.WHITE_ROOK
  Q = Piece.WHITE_QUEEN
  K = Piece.WHITE_KING
  p = Piece.BLACK_PAWN
  b = Piece.BLACK_BISHOP
  n = Piece.BLACK_KNIGHT
  r = Piece.BLACK_ROOK
  q = Piece.BLACK_QUEEN
  k = Piece.BLACK_KING
  
  INITIAL_BOARD = [[r, n, b, q, k, b, n, r],  # 8
                   [p, p, p, p, p, p, p, p],  # 7
                   [o, o, o, o, o, o, o, o],  # 6
                   [o, o, o, o, o, o, o, o],  # 5
                   [o, o, o, o, o, o, o, o],  # 4
                   [o, o, o, o, o, o, o, o],  # 3
                   [P, P, P, P, P, P, P, P],  # 2
                   [R, N, B, Q, K, B, N, R]]  # 1
  #                 a  b  c  d  e  f  g  h
  
  
  TEST_COLORED_BOARD = [
      [1, 2, 1, 0, 1, 0, 1, 0],  # 8
      [0, 1, 0, 1, 0, 1, 0, 1],  # 7
      [1, 3, 1, 0, 1, 0, 1, 0],  # 6
      [0, 1, 0, 1, 0, 1, 0, 1],  # 5
      [1, 0, 1, 0, 1, 0, 1, 0],  # 4
      [0, 1, 0, 1, 0, 1, 0, 1],  # 3
      [1, 0, 1, 0, 1, 0, 1, 0],  # 2
      [0, 1, 0, 1, 0, 1, 0, 1]]  # 1
  #    a  b  c  d  e  f  g  h
  
  
  def print_board(board):
      for row in board:
          print(row)
  
subject: Add colored board to utils and commented enumeration