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Brickworld 2007, June 21-24, Chicago
Gladiator Sumo:
The competition will involve two robots in a circular ring, with the goal being
to push your opponent out of the ring or otherwise disabling them within the
time limit. While pushing your opponent out of the ring is the most common way
to win a round, disabling your opponent (flipping, lifting, etc.) is strongly
encouraged.
The Arena:
The event will take place on a 4’ diameter smooth plywood or similar surface
ring, painted flat black, with a 2” wide white boarder to help the robots
determine the edge of the ring. It will be raised a few inches above the floor
to help determine when a robot has “fallen off” (generally determined by the
robot touching the ground outside the ring, but left up to the judges
jurisdiction). No assumption should be made about what is beyond the edge of the
ring (i.e., the ring may be undercut, for example).
Event structure:
There will be two classes Stock (one Mindstorms kit only, either RCX or NXT
based) and Open (all official LEGO allowed). Within each class, every robot will
go up against every other robot in single combat (termed a round) on as many as
three separate attempts (termed a bout). At the end of the event, the robot with
the highest cumulative score in its class will be declared the winner. In the
event of a tie, the winner will be determined by popular vote.
Each round will be limited to three minutes or three bouts, whichever comes
first (if at the end of that time there is no winner, the round will be declared
a draw). The winner of a round is simply the robot that has won the best of
three bouts, with each bout lasting no more than one minute. The winner of a
round will receive two points, and the loser zero, while a draw will result in
one point for each robot. If during a bout the robots are entangled and wear and
tear is occurring, both contestants can agree to a restart of that bout. The
robots may be restarted but the three minute overall time limit still applies
(in other words, once three minutes are up the result of the round is determined
by the results of the completed bouts, even if three bouts were not achieved
during that time).
Starting a bout:
Robots must be started facing directly away from each other and separated by a
12 inch gap (i.e., their rear structures must be 1’ apart). Each must be 6
inches from the center of the arena. At the start of a bout the robots must wait
three seconds before any motion is made (with the exception of shape changing;
see below), and the first motion should be directly away from the center. If
there is no clear front of back to a robot, the direction of this first motion
will define the “front” for purposes of the initial facing of the robots. A
robot must start moving forward within ten seconds of the start of a bout.
Robot construction and limitations:
All robots must be constructed of 100% unmodified LEGO parts (that is, any part
that can be bought directly from LEGO, be it Shop-at-home, LEGO Education,
etc.): no gluing, cutting, melting, or other modification or modified pieces are
allowed. This rule applies to sensors, motors, and other electronic devices as
well. All robots must fit within a 1’ by 1’ square frame (although they can have
any flat orientation within that frame; in other words, the front of the robot
could be diagonal within the frame if the rest of it fits in that orientation).
There is no height limit. No piece of the robot should be designed to
deliberately become detached, but the robot may have a variable geometry. In
other words, it may expand or unfold additional structure after the start of a
bout, as mentioned above, but the initial “footprint” of the robot must fit
within the 1’ by 1’ square. An upper weight limit of 2 pounds applies to all
robots. Robots must be completely autonomous after the bout is started.
Judges discretion:
All disputes about these rules and their interpretation will be adjucated by the
judges at the event (although requests for clarifications should be made as
needed, prior to the event). The judges discretion will be final, and will
attempt to enforce the spirit of the event.
--
Brian Davis
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Message is in Reply To:
 | | Brickworld 2007 - Call for Mindstorms competitors
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| As part of Brickworld 2007 in Chicago, Jun 21-24, we are going to try to run at least four seperate Mindstorms events: *The ever-popular Sumo (4' ring, 2 lb limit, flipping strongly encouraged) *Line maze (find your way to the exit, as fast as (...) (17 years ago, 18-Apr-07, to lugnet.events.brickworld, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics) !
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