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BGonline.org Forums
Excel help: Percentage chances of the person with a better (lower) PR winning based on match length
Posted By: scotty In Response To: Excel help: Percentage chances of the person with a better (lower) PR winning based on match length (sebalotek)
Date: Thursday, 24 March 2016, at 2:29 p.m.
this explains how the FIBS ratings are calculated.
http://www.fibs.com/ratings.html#explained
Grid Gammon has a different formula. Rating can be converted to PR. There have been discussions here describing different estimates of how to convert rating to PR.
If you need any further help with this, please contact me directly at scott_donaldson@live.ca
All the best to you.
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