Sumo Guidelines and Rules
Switch branches/tags
Nothing to show
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Failed to load latest commit information.

Aberystwyth Robo Sumo Event 2018

Document Version 1.1

This repository contains the rules, guidelines and documents for the Robo Sumo competition


Facebook Group

How to Make a Good Sumo Robot - Blog

Getting Started

You will compete with a robot which has maximum dimensions of 150mm x 150mm x unlimited mm (l x w x h). You can either create your robot or it can be a commercial chassis (bought off the shelf).

Rules Overview

  1. Max dimensions 150mm x 150mm x unlimited mm (l x w x h)
  2. Max weight 2kg
  3. Ring diameter 900mm - black with 19mm white band around the circumference
  4. Autonomous or Rc controlled classes
  5. Push out or render your opponent immobile (judges decision)
  6. Anything goes weapon wise but will be scrutinised and disqualifed if overly dangerous!!
  7. As soon as you are ready and want to fight....let it be known! :)
  8. Lithium battery powered robots should be fused
  9. Robots have to have a button accessable to the referee to start the fight. On depression of said button the robot will pause 5 seconds then start to do battle
  10. Heats will last 3 minutes long.
  11. Judges decision is final (see points system)



The next Sumo competition will be during Science Week - Wednesday 14th March 2018

Aberystwyth Science Week


Sports Cage, Aberystwyth University.

The Robot Arena

The arena consists of a ring which is 900mm in diameter with a 19mm white band around the circumference.



The maximum dimensions for the robot are 150x150x150mm, this includes the weapon as part of the robot.


The maximum weight limit is 2kg. All robots overweight can not compete against other competitors. The classes will contain the heavyweights above and equal to 1.4kg and the featherweights below 1.4.


You are allowed any weapon of your choice. However, you will be scrutinised and disqualified if overly dangerous! i.e. no EMP devices, ballistics, or any heat generated which could be a potential fire hazard.


All batteries must be fused, especially if the robot is using Lithium Polymers (LiPo) or Nickel Metal Hydrides (NiMh).

Robot Guidelines

Control Systems?

It is up to you to decide whether you would like the robot to be autonomous or radio controlled.

3, 2, 1, Activate!

Robots have to have a button accessible to the referee to start the fight. On depression of said button the robot will pause 5 seconds then start battling.

Goals and Points System

What is the Goal?

The goal is to push out or render your opponent immobile.

Points System

Where necessary the robots will be assessed on:

  • Aggression x3
  • Damage x2
  • Control x1

Marks will be out of 30 - 5 for each category.



Version Change Changed by Date Changed
v1.1 Added information of Science Week and Sumo Guide Blog Tomos Fearn 20th January 2018
v1.0 Added competition and released info Tomos Fearn 6th December 2017
v0.1 Initial Tomos Fearn 31st October 2017