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Unread 14-03-2016, 14:37
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Accounting for breaches/captures in OPR

Inspiration from this post.

I don't think that there is going to be any fix that is quite so easy to implement as the one used in 2012, but I think improvements could be made. If we do implement corrections though, we need to be very careful with our terminology. Corrections like this should only be used for elimination round matches.

2 potential modifications I can think of could be:
1: Increase the value of each crossing to be 5 points + (20 points/breach)/(8 crossings/breach) = 7.5 points, and increase the value of each ball scored by (25 points/capture)/(8 scored boulders/capture) = 3.125 additional points per scored boulder. A potential drawback to this approach is that doing more than the minimum required for crossing/breaching would be over-valued. For example, 10 successful scored crossings will net 75 points, instead of the 70 that this would actually be worth.

2: Using the data on breaches and captures, compute the OPR contribution by team for these. Take (OPR breach) * (20 points/breach) and (OPR capture) * (25 points/capture) and add these onto the team's nominal OPR. A big disadvantage to this is that captures happen incredibly infrequently in qualifications, which will make this correction almost negligible for most teams, even though they may actually be able to contribute to capturing once they have better partners in elims.
 


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