public function updateScore($fScore, $iId, $sTable)
 {
     $sTable = Various::checkTable($sTable);
     $sWhere = Various::convertTableToId($sTable);
     $rStmt = Db::getInstance()->prepare('UPDATE' . Db::prefix($sTable) . 'SET score = :score WHERE ' . $sWhere . ' = :id');
     $rStmt->bindValue(':score', $fScore);
     $rStmt->bindValue(':id', $iId);
     return $rStmt->execute();
 }