anchor.diff:                       {?white, gettext(Session, txt_ng_color_white, [])},
                        {?black, gettext(Session, txt_ng_color_black, [])}])
        end,
  +     "<br>",
        checkbox(Session, "prv", ?Q_PRIVATE, txt_ng_private, false), "<br>",
        submit(Session, txt_ng_ok_button),
        "</form>",
  
positive.code:     {NotEnded, Ended} =
          lists:partition(
            fun({_GameID, GameInfo}) ->
                    proplists:get_value(status, GameInfo) == none
            end, Confirmed),
      case NotEnded of
          [_ | _] ->
  
negative.code: game(Session, Query, GameID, GameInfo) ->
      FullHistory = proplists:get_value(moves, GameInfo, []),
      FullHistoryLen = length(FullHistory),
      Step = proplists:get_value(?Q_STEP, Query, last),
      History =
          case Step of
              last -> FullHistory;
  