My Derby Resources

This page is stuff that I personally have put together, primarily for my own use. I've shared it with other officials, some of whom have reported finding some of it useful. Once again - these documents are not official. They are my own personal efforts. They may be completely wrong. They are not in any way authorized by the WFTDA. It is fun to end sentences in italics!

Seriously - I hope you find these useful, but use them at your own risk. Do NOT stand up at a WFTDA Clinic and say "Smasher told me to do this!" I will deny EVERYTHING.

Rules Resources:

Read the rules first! But once you've done that, if your learning style is similar to mine, you might appreciate also having the information arranged in a list, as well as in the more narrative style of the official version. In addition, this guide integrates key points from the casebook into the rules for easy reference. (Here is a Google Doc version, if you would like to clone it to change formatting, add notes, etc. Please do NOT share modified versions without clearly indicating they are not my original.

This is a line by line summary of changes to the December 1, 2017 republication of the rules of WFTDA derby. I want to stress that while this is a useful reference to what's been modified, it is NOT an official publication of any kind, and all copyrights and ownership of the prior and current ruleset reside strictly with the WFTDA. This is posted here solely as a source of information, and any errors are entirely my own.


  • How to Score a Point in Roller Derby
  • Jammer Lap Points Explained (Possibly using Devo quotes)
  • Star Passes Explained

Statsbook Resources:

This is a standalone app that checks StatsBook excel files for errors. Did you list the same blocker twice in the same jam? Did you forget a penalty? This program might find it. Or it might crash, since I wrote it. But give it a shot, and let me know if you find bugs! It does the same thing as IGRFTools, but as a standalone app rather than a website. It's also a durn sight faster, and checks for more errors.

This tool, originally created by WTRef! of the Lansing Derby Vixens, allows you to upload your statsbook Excel file and have it checked for a number of common mistakes. (How did Black 6 get a penalty in jam 7 when she wasn't skating in that jam? How did she call the jam when she wasn't lead? Why is this person listed as fouling out with three penalties?) It's not perfect, but it's pretty darn useful.