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Green Sheet Rolling Averages - Reducing During 2022 Season


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The Green Sheet Rolling Averages have been based on 20 matches for a while, but this season (2022), the number of matches is reducing by 2 each month, so: June 18, July 16, August 14, September 12, and by October the Rolling Averages will be based on the last 10 matches.

I checked with the BSPL office, and they confirmed that it has always been the last N matches, irrespective of home or away, i.e. not half of each. Therefore, by October it's possible that riders will have averages skewed by 6/7/8 home and 4/3/2 away, or even 4/3/2 home and 6/7/8 away.  Obviously, the smaller the sample, the bigger the impact on the overall average - especially when a new score is added and the oldest is dropped.

Another change by the BSPL for which the consequences have not been thought through ...

 

Edited by Roger Jacobs
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