{...}: {
  config.flake.overlayPkgs.emacs-lichess = pkgs: let
    epkgs = pkgs.emacs.pkgs;
  in
    epkgs.trivialBuild {
      pname = "lichess";
      version = "0.8";
      src = pkgs.fetchFromGitHub {
        owner = "tmythicator";
        repo = "lichess.el";
        rev = "1dd8a25ede7144c5d6be1f45f4ae3d07903783cd";
        sha256 = "157l4crbz37x367m69sxwvnd1pd8cqa6w0lcvyyvs27cm021d2gr";
      };
    };

  config.flake.modules.homeManager.chess = {
    lib,
    config,
    pkgs,
    ...
  }: {
    options.azos.chess.enable = lib.mkOption {
      default = false;
      example = true;
      type = lib.types.bool;
    };

    config = lib.mkIf config.azos.chess.enable {
      azos.emacs.pkgs = [pkgs.emacs-lichess];
      azos.emacs.enabledSuites = ["lichess"];
    };
  };
}