Controls whether FIBS sends a descriptive ratings calculation at the end of the match. If set to Yes, at the completion of a match you should see about ten lines of text in the Terminal window that shows how the ratings for each player changed.

Note: In MacFIBS, you can use the Game > Other Settings > Ratings menu to change the ratings settings. The setting remains in effect until you change it again, even if you log out of FIBS.