Backgammon Rating Calculator
Select detail level: 

The rating calculations are described here: https://bkgm.com/articles/McCool/ratings.html.

Enter either PR or rating for each player, the other value will be calculated. The relation between PR and rating is taken from here: http://www.bgonline.org/forums/webbbs_config.pl?noframes;read=53409.

PR
Rating
Experience
Match length
Probability of winning
{{params.prob_p1_wins}}
{{params.prob_p2_wins}}
Winner
Rating change
{{diff_p1}}
{{diff_p2}}
New rating
{{new_rating_p1}}
{{new_rating_p2}}
New experience
{{new_exp_p1}}
{{new_exp_p2}}
Match equity table
Probabilty for {{name_p1}} to win one game [%]:

Gammon rate [%]:
Decimals:
Export as GnuBG match equity table

Values in %

This table is based on source code posted at Backgammon Galore by Claes Thornberg in 1996.