Welcome to the Second FIBS Ratings Calculator.

Here are the instructions. You can also find out your ratings changes by talking to rat on FIBS.

Fill in this column ... Then press a button ... The output will appear here

Your rating Your new rating
Your experience Your change
Opponent's rating Opponent's new rating
Opponent's experience Opponent's change
Match length Probability of underdog winning

Back to the Netadelica home page