/**
  * @return \yii\db\ActiveQuery
  */
 public function getScores()
 {
     return $this->hasOne(Scores::className(), ['score_id' => 'score_id']);
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getScores()
 {
     return $this->hasMany(Scores::className(), ['element_type' => 'elem_id']);
 }