diff --git a/onyx2/modules/db/postgresql.class.php b/onyx2/modules/db/postgresql.class.php
index 6c800ea..0d13051 100644
--- a/onyx2/modules/db/postgresql.class.php
+++ b/onyx2/modules/db/postgresql.class.php
@@ -196,4 +196,14 @@ class BDD
 
         return pg_affected_rows($this->reponse);
     }
+
+    public function update_classement()
+    {
+        if (!$this->session) {
+            return false;
+        }
+        global $table_user;
+        $query = "UPDATE $table_user SET place_points=subquery.rn FROM (SELECT id, points, place_points, row_number() over (order by points DESC) as rn FROM $table_user) AS subquery WHERE $table_user.id=subquery.id;";
+        pg_query($this->session, $query);
+    }
 }