One of the students on my team created an app to calculate OPR over a lot more than just the final score. Using the FRC Event Api (https://usfirst.collab.net/sf/projects/first_community_developers/) we can get just about any piece of information the field records - high goals, low goals, challenges, scales, captures, defense crossings and breachings, auto stats. So, we calculated the OPR for every individual item from Palmetto in week 0.5.
The 12th annual Team 1114 Championship Scouting Database. Includes full stats, including some advanced metrics for every team who competed in Recycle Rush.
Data after the event, using all of the match data. Data is split into divisions, and all match data including division elimination matches is uploaded and calculated.
When you score a Supercell on your own alliance it has a tendency to sway a match... - EricLeifermann [more] 
