...
The threshold can be configured in application.ini/core.review.tiebreaker
If a tiebreaker is required the respective paper will have a yellow box around the Reviews table cell, with either 'WR' (Wrong Reviewer) or 'LOD: <value>' (Level Of Difference).
email reviewers
Send an email to all people assigned to review a paper. The email includes links to all the papers that they need to review plus a link to download their assigned papers as a zip archive. If a user is a tiebreaker for a paper it excludes that from the list.
...