board_init.json

{
  "A8": "wr", "B8": "wk", "C8": "wb", "D8": "wQ", "E8": "wK", "F8": "wb", "G8": "wk", "H8": "wr",
  "A7": "wp", "B7": "wp", "C7": "wp", "D7": "wp", "E7": "wp", "F7": "wp", "G7": "wp", "H7": "wp",
  "A2": "bp", "B2": "bp", "C2": "bp", "D2": "bp", "E2": "bp", "F2": "bp", "G2": "bp", "H2": "bp",
  "A1": "br", "B1": "bk", "C1": "bb", "D1": "bQ", "E1": "bK", "F1": "bb", "G1": "bk", "H1": "br"
}