\RequirePackage[%
  style         = alphabetic,
  autocite      = inline,
  backend       = biber,
  doi           = false,
  url           = true,
  giveninits    = true,
  hyperref      = true,
  sortcites     = true,
  minalphanames = 1,
  maxalphanames = 1,
  minbibnames   = 99,
  maxbibnames   = 99,
  sorting       = ynt
  ]{biblatex}

\renewcommand*{\labelalphaothers}{}

\DeclareLabelalphaTemplate{
	\labelelement{
		\field[final]{shorthand}
		\field{labelname}
		\field{label}
	}
	\labelelement{
		\literal{,\addhighpenspace}
	}
	\labelelement{
		\field{year}
	}
}

\addbibresource{biblatex-examples.bib}