add a latest method to query the latest x events

src/maistar_ranking/migrations/0006_auto_20171115_0653.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.7 on 2017-11-15 05:53
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('maistar_ranking', '0005_auto_20170218_1947'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='game',
+            options={'ordering': ('-event__start', '-id')},
+        ),
+    ]