Add a random order for initial page load.

lib/boardwise/coaches.ex

@@ -86,7 +86,7 @@ defmodule BoardWise.Coaches do
           |> selected_as(:score)
       }
     )
-    |> order_by(desc: selected_as(:score), asc: :username)
+    |> order_by(desc: selected_as(:score), asc: :position, asc: :username, asc: :id)
     |> limit(^page_size)
     |> offset(^((page_no - 1) * page_size))
     |> Repo.all(prefix: @prefix)

lib/boardwise/coaches/coach.ex

@@ -24,9 +24,10 @@ defmodule BoardWise.Coaches.Coach do
     field :image_url, :string
     field :title, :string
     field :languages, {:array, :string}
+    field :rapid, :integer
     field :blitz, :integer
     field :bullet, :integer
-    field :rapid, :integer
+    field :position, :integer
 
     # virtual fields
     field :score, :integer, virtual: true
@@ -44,7 +45,8 @@ defmodule BoardWise.Coaches.Coach do
       :languages,
       :rapid,
       :blitz,
-      :bullet
+      :bullet,
+      :position
     ])
     |> validate_required([:site, :username])
     |> unique_constraint(:site_username_unique, name: :site_username_unique)

priv/repo/migrations/20231207150628_position.exs

@@ -0,0 +1,11 @@
+defmodule BoardWise.Repo.Migrations.Position do
+  use Ecto.Migration
+
+  @prefix "coach_scraper"
+
+  def change do
+    alter table(:export, prefix: @prefix) do
+      add :position, :integer
+    end
+  end
+end