Robotic Sumo is a competition where
opponents attempt to push each other out of
an arena (Dohyō)
their robots, cunning, and brute force. In robotic Sumo
the referee (Gyoji)
starts and stops the match as well as being the
judge. The player who wins the most
matches becomes the grand champion or Yūshō.
The loser is referred to as being Shini-tai.
One match shall consist of 3 rounds. To win the round
you must move your opponents robot (Rikishi) out of the
sumo playfield ring (Dohyō) thus getting one point known as a
The team who wins two rounds or receives two Yuko points first wins the match.
competition playing field (Dohyō)
is 16" in diameter and made
main task is to referee bouts between sumo robots.
After the Yobidashi
(announcer) has called them up to play it is the Gyōji's
responsibility to watch over the robots as they go
through the initial prebout staring contests, and then
coordinate the initial charge (or Tachi-ai)
between the wrestlers. The Gyōji's
has the final say as to when a game is over and who
the winner is.
uses a provided wireless IR remote control that moves the
robots forward, reverse, left and right.
of the Game:
contestants must wait for the referee (Gyoji)
start the round before moving the robots.
- You can navigate
anyplace on the playing field.
- Your opponents
robot must be
completely off the playfield to count.
- At the end of
the round you must stop playing and put the remote
control down on the play field.
- If your robot
or remote control malfunctions you must
immediately notify the referee (Gyoji).
- If the robots
get tangled with each other you must
immediately stop playing and notify the
- If both robots
fall off the play field at the same time,
the referee (Gyōji)
can order a rematch, known as a Torinaoshi.
Used For The Competition:
The robots used for the Sumo wrestling
competition are the "OLLO Bugs"
made by the Robotis
Company of Korea.
The robots and wireless controllers each use 2 "AA" batteries for
will be awarded to the operator of the robot that has
the most wins.
are a few of the items that will be given away:
Scientific Gift Certificate