public function postUpdate()
 {
     $reports = Input::get('reports');
     if (is_null($reports)) {
         Redirect::back();
     }
     foreach ($reports as $r) {
         $report = Report::findOrFail($r['report']);
         $report->fill($r);
         $report->save();
     }
     return App::make('TournamentsController')->ranking(Tournament::findOrFail(Input::get('tournament')));
 }