The guidelines provide a rating score for each offender based on the seriousness of the offense and the likelihood of a favorable parole outcome.

From there, they can search by firm name, category, specialty or rating score.

Three rating scores are possible: worse, average and better.

They point out that, among other factors, imprecision in library statistics make ratings scores quite approximate, a fact rarely acknowledged by libraries receiving high ratings.

One player with a 2441 performance rating scored two and a half points better than one performing at 2518.