diff --git a/onyx/include/common/Team.class.php b/onyx/include/common/Team.class.php
index 77932500..a55d7030 100644
--- a/onyx/include/common/Team.class.php
+++ b/onyx/include/common/Team.class.php
@@ -155,6 +155,20 @@ class Team
     return 0;
   }
 
+  function get_nbResExercisesByTheme($id_theme)
+  {
+    $db = new BDD();
+    $res = $db->unique_query("SELECT e.id_theme AS theme, count( s.id ) AS solved
+               FROM solved AS s
+               RIGHT OUTER JOIN exercices AS e ON e.id = s.id_exercice
+               AND s.id_user = ".$this->id."
+               AND e.id_theme = ".$id_theme);
+
+    $db->deconnexion();
+
+    return $res['solved'];
+  }
+
   function authenticate($certificate)
   {
     //TODO