diff --git a/app/serializers/tournament_serializer.rb b/app/serializers/tournament_serializer.rb
index 9805797..25582e1 100644
--- a/app/serializers/tournament_serializer.rb
+++ b/app/serializers/tournament_serializer.rb
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 class TournamentSerializer < SimpleTournamentSerializer
-  attributes :description
+  attributes :description, :playoff_teams_amount,
+             :instant_finalists_amount, :intermediate_round_participants_amount
   has_many :stages
   has_many :teams
 
diff --git a/db/migrate/0000_create_schema.rb b/db/migrate/0000_create_schema.rb
index f1d4a3f..14ffb52 100644
--- a/db/migrate/0000_create_schema.rb
+++ b/db/migrate/0000_create_schema.rb
@@ -52,6 +52,8 @@ class CreateSchema < ActiveRecord::Migration[5.2]
       t.string :description
       t.boolean :public, default: true
       t.integer :playoff_teams_amount
+      t.integer :instant_finalists_amount, default: 0
+      t.integer :intermediate_round_participants_amount, default: 0
 
       # relation to owner
       t.belongs_to :user, index: true, null: false, foreign_key: { on_delete: :cascade }