Board::Board(Board & cpy)
: white(cpy.white), black(cpy.black), white_unknown(cpy.white_unknown), black_unknown(cpy.black_unknown),
white_nUnknown(cpy.white_nUnknown), black_nUnknown(cpy.black_nUnknown),
Board::Board(Board & cpy)
: white(cpy.white), black(cpy.black), white_unknown(cpy.white_unknown), black_unknown(cpy.black_unknown),
white_nUnknown(cpy.white_nUnknown), black_nUnknown(cpy.black_nUnknown),