Nottingham Backgammon Club.

Ratings Calculator

Player APlayer B
Rating (Before the match)
Experience (Before the match)
Length of the match
WinnerA win : B win :

Rating (After the match)

Note : if the experience of a player is over 400 you can leave the corresponding field blank.

For comments or suggestions, feel free to contact me : (francois on FIBS).
You can also download this tiny (22Kb!) standalone Windows application here:
FIBS Rating Calculator
Reproduced courtesy of