BJJ tournament software
A BJJ open is a long list of divisions, a few mats, and teammates who should not meet in the first round. Set the divisions up from the IBJJF weight table or by hand, weigh everybody in, and each division is drawn for the number who are actually there.
Updated
- 2 competitors
- Best of 3
- the second win takes the category
- 3 to 5
- Round robin
- everybody meets everybody
- 6 or 7
- Two pools
- then crossed semi-finals
- 8 or more
- Bracket + repechage
- two bronze medals
Free. No account needed to start.
IBJJF weight divisions in one tap
The adult male and female IBJJF weight tables are built in, from rooster to the open heavyweight division above the last limit. Pick them, and every division is created with its limit. Masters, juvenile or belt divisions can be added by hand with their own age group and weight limit.
The weigh-in decides the format
Each competitor is registered with a declared weight and weighed on the day. Within the limit, they are in. Over it, the table can move them to the next category up in one step, or scratch them. Anybody who never comes to the scales is scratched when the weigh-in closes.
Categories left with one or two people can be merged into the next one up before the draw, which is how most club tournaments deal with the −34 kg category that one child turned up for.
Clubmates kept apart in the draw
Two children from the same club meeting each other in the first round is the complaint every organiser hears, and the one a random draw makes likely. The draw places clubmates as far apart as the field allows: opposite halves of the bracket when a club has two people in a category, opposite quarters when it has four, different pools when the category is fought in pools.
Ranked competitors keep their seeds, and everybody else is drawn at random around them, so the separation never moves a seed.
One queue for every mat, and the rest time enforced
The categories do not each run on their own from start to finish. Bouts from all of them go into one queue, and the next one is called to whichever mat comes free: "Mat 2, bout 12, U14 −42 kg; bout 13 get ready".
Nobody is called back before their rest is up. A competitor who has just finished is held until the rest time set for the event has passed, and nobody is called to one mat while still fighting on another. Categories can be split into blocks, the morning juniors and the afternoon seniors, and a category can be pinned to one mat.
Common questions
Can I run belt divisions separately?
Yes. Add each belt as its own category by hand, with the age group and weight limit you want. Each one is drawn and fought on its own.
When are the brackets drawn?
When the weigh-in closes, and not before. A bracket drawn on Friday for eight who registered is the wrong bracket on Saturday for the five who made weight, so every category is drawn from the people who actually stood on the scales.
Do I need an account?
No. Setting up an event takes a name, the number of mats and the weight categories, with no signup in front of it. You can add an email later if you want to sign back in from another device.
What does it cost?
Nothing. The setup, the brackets and the public results pages are free.