public static function generateFinalNews($tournament)
 {
     $trn = self::findOne($tournament);
     $forecasters = new ArrayDataProvider(['allModels' => UsersTournaments::topThreeForecastersForTournament($tournament)]);
     $standings = new ArrayDataProvider(['allModels' => Result::getStandings($tournament)]);
     return Yii::$app->controller->renderPartial('@app/mail/_tournamentFinishedNews', ['trn' => $trn, 'forecasters' => $forecasters, 'standings' => $standings]);
 }