protected function filter_current_assessments(&$newallocations, $assessments) {
        foreach ($assessments as $assessment) {
            $allocation     = array($assessment->reviewerid => $assessment->authorid);
            $foundat        = array_keys($newallocations, $allocation);
            $newallocations = array_diff_key($newallocations, array_flip($foundat));
        }
    }