⚠️ RULE ZERO – Zero Tolerance & Common Sense
In all sports, Rule ZERO applies, which states:
➤ "If you are not sure whether something is allowed, then it is probably NOT allowed."
All rules are based on common sense, the spirit of the sport, and the safety of all participants.
Any deliberate misinterpretation, violation of the meaning of the rules, or attempt to exploit gray areas for unfair advantage will not be tolerated and may lead to team disqualification from the competition.
🎯 GOAL
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The goal of the weightlifting competition is to encourage research into active balancing robots and robots that are able to walk under a heavy load and are able to compensate for different centers of gravity.
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The goal of the sport is to replicate weightlifting using robots that are capable of lifting a load and moving it over a specified distance.
👥 TEAM – COACH
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Participation in the competition is team-based, not individual.
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Each team may consist of two (2) to three (3) members.
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Each team must designate up to one (1) Robot Athlete Technician. Only the Robot Athlete Technician is allowed in the waiting area or competition area. The rest of the team must remain in the competition venue but cannot wait in line. ➤ In other words, they cannot occupy an additional spot. If a team fails to comply with this rule, it will be disqualified.
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The team is allowed to change the designated Technician before each attempt on the track, to give all members the opportunity to be actively involved in the sport, although this is not mandatory.
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All team members must be at least 10 years old (equivalent to 4th grade of primary school or above).
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The team’s coach must be at least 20 years old.
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To ensure smooth participation in the competition, the coach must have 1 assistant for every 3 teams they register in the competition.
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Each team is allowed to have only one robot. Changing the robot during the competition is not allowed.
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Teams are not allowed to share the same robot.
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If a team encounters a serious technical issue with their robot, they are allowed to replace only the microcontroller or the electronic components, after obtaining permission from the Head Judges.
⚙️ ROBOT ATHLETE REQUIREMENTS – SPECIFICATIONS
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The Competition is for humanoid robots Robot Athletes regardless of the hardware used.
General robot specifications
1. The robot must be a two legged walking humanoid biped that must shift its center of gravity to maintain its balance when walking.
2. When walking, one foot must lift off the floor, while the other foot is balancing the robot.
3. When walking, the foot that balances the robot must have a knee-joint angle greater than 90 degrees. At any point if this is not the case, the robot will not be considered walking.
4. The feet can be of any shape and form as long as all of the following are maintained:
a. The robot’s foot is defined as the part of the robot that is contacting the surface of the arena (ground).
b. The maximum length (size) of the foot must be less than 50% of the length of the extended robot’s leg. The leg length is defined as the distance between where the robots foot touches the ground and the axis that connects the leg to the upper body of the robot.
c. The maximum length of the foot must be less than 20 cm.
5. When robot is standing or walking, a rectangular outline around the left and right feet shall not overlap.
6. The robot must have 2 arms. Each arm extended length shall not exceed the extended leg length.
7. The robot must have a head.
8. The robot’s height must be greater than 30 cm but less than 80 cm.
9. The robot must be equipped with a start button.
10. Jamming devices, such as IR LEDs intended to saturate opposing IR sensors, are not allowed.
11. The robot must remain stationary for 5 seconds before the start of the match. After 5 seconds the robot can move.
12. The robot can be started by a remote control or a button on the robot.
13. In the sport no remote control is allowed to operate the robot. The robot should carry out the mission with complete autonomy.
🧪 TECHNICAL INSPECTION
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The initial technical inspection takes place on the day of the competition, during the first attempt.
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During the initial inspection, the team will be asked questions about the critical parts of the Gun's program.
➤ The team must have their laptop with the robot’s program open.
➤ If it becomes clear from the answers that the team does not understand the program, they will receive a penalty equal to -20% of the score they achieve in the event. -
The technical inspection includes a Gun examination based on the specifications described above.
➤ If the Gun does not meet the requirements, it will not be allowed to compete and will be automatically disqualified from the event. -
After the completion of the initial inspection, the Gun is assigned its unique ID code.
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If a team is not present at the time of the initial technical inspection, it will result in automatic disqualification from the competition.
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A secondary technical inspection is also conducted before each attempt, performed by the assistant referee.
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It is mandatory for the Gun Technician to wear safety glasses. Protective equipment is mandatory on the playing field before and during matches. The protective equipment will be checked during the technical inspection.
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The lack of protective equipment in whole or in part will be reason for the team to be disqualified from the Sport.
🏟️ FIELD
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The arena is rectangular. Its surface is 2.36m x 1.14m and is green in color.
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Its material is printable canvas.
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The green surface is defined as the playing surface and is surrounded by a black boundary line.
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The track on which the arena is placed is rectangular made of 5 mm thick wood.
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The track is placed on the floor.
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The white lines are 5 cm (50 mm) wide.
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A 5% tolerance applies to all given dimensions.
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To test the Robot Athletes before the start of the Games there will be time available for testing where their Technicians will have access for testing according to a schedule to be announced on the day of the Games.
0,80εκ.
2,36 cm
114 cm
STARTING LINE
BAR PICKUP LINE
BAR LIFTING LINE
FINISH LINE
➤ The pull-up bar and weights
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The lifting rod is a wooden, metal or plastic rod with a width of 8 mm to 15 mm. Two stops are used to place the weights. The distance between the internal stops is at least 40 cm. The total length of the lifting bar is between 50 cm and 80 cm.
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The "weights" used in the competition are typically 1/4 inch CDs or DVDs to be lifted by the robot Athlete.
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The weights are supported on stops so that they do not roll around the track. The height of the stop is 10 cm.
LIFTING BAR STOP
🏆COMPETITION
⏱️ PREPARATION
1. A single robot Athlete competes in a match.
2. All other Robot Athletes must wait in a line.
3. The Robot Athlete will be placed behind the starting line.
4. At the beginning of each attempt, the Robot Athlete's Technician will inform the referee how many CDs they want their Athlete to attempt to lift and the referee will attach the desired weight to the lift bar.
5. The number of CD's must be increased after each successful attempt of a robot Athlete. The Robot Athlete technician may specify to the referee how many additional CD's he wishes to be added to the bar prior to each attempt.
6. The addition of CD's to the bar are done simultaneously on both sides of it, for example if the technician chooses to add 3 extra CD's then the referee will add 3 CD's to each side of the bar, so 6 CD's extra weight.
🏁 START - PROCESS OF THE RACE
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The technician places the Robot Athlete on the starting line so that the front of his foot is directly behind the white line and his arms are vertical, parallel to his body.
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The referee will signal the start of the match.
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The Robot Athlete's technician must press the start button in order for the Athlete Robot to operate.
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The Robot Athlete should start moving after 5 seconds.
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The Robot Athlete should move to the receiving line of the bar and pick it up from the stop. The lift of the bar should not exceed the height of the robot Athlete's waist.
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The Robot Athlete must walk towards the lift line while continuously carrying the weight until one foot touches the lift line. During the course, the lifting height of the bar should not change.
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While at least one leg is touching the lift bar, the Robot Athlete must raise the lift bar above its head.
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While keeping the lifting bar above its head, the Robot Athlete must continue walking towards the finish line. A lift is considered successful if the Robot Athlete crosses the finish line with both feet and the weight above its head. The lifting bar should only be supported by the hands of the Robot Athlete.
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After the finish the Robot Athlete must lower the bar to the arena surface by himself.
🔁 ROUNDS – ATTEMPTS - COMPETITION PROCEDURE
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During the match there will be a time of 2 hours.
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During this time each Technician will make repeated attempts on the track based on the order announced by the organizing committee.
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If a Technician is not in line, they lose their attempt and the next Technician takes their turn. The Technician who lost the attempt must wait until all other attempts are completed for their turn to come again.
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The referee records the points for each attempt.
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The Robot Athletes will pass a technical check by the assistant referee before each attempt.
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Only one restart allowed.
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The team may change the designated Technician before each attempt (optional, to involve more team members).
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The highest score achieved by a team across all its attempts counts as the team’s official score and determines the winner (best-attempt scoring).
❌ END OF A ROUND - ATTEMPT
The end of an attempth is signaled by the referee signal.
The referee ends the match if:
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the robot successfully crossed the finish line and released the bar.
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the robot could not complete the attempt within 2 minutes,
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the robot falls and cannot get up on its own or is immobilized by a technical fault,
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the robot leaves the playing area by completely crossing the start line or the implicit side lines of the rectangle formed by the start and finish line.
📊 Scoring
At the end of the competition period:
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All Robots that have not successfully picked up at least 1 CDs automatically receive no rank and 0 points.
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For each CD picked up by Robot Athletes they will receive 1 point.
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Robot Athletes are ranked 1st place, 2nd place 3td place, based on the maximum points they earned in their best attempt.
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In the event that two or more robots have the same number of points after all attempts in the weightlifting event, the sum of the previous maximum weight will be used as a tiebreaker.
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In the event that two or more robots have the same number of points and remain tied after applying the previous tiebreaker, the maximum weight in the 1st round alone will be used as the tiebreaker.
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In the event that two or more robots have the same number of points and remain tied after applying the previous tiebreaker, the maximum weight in the 2nd round only will be used as the tiebreaker, etc.
🔄 The match will be abandoned and a replay will be started under the following conditions:
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If the robot does not start, it will restart only once and only on the 1st attempt.
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If on restart the robot does not restart then another Robot Athlete continues.
🛠️ Repairs, modifications, unforeseen interruptions
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If a robot breaks during a match, the referee will assign a repair within 1 minute. This range can be extended up to 15 minutes by the organizers. Repairs will be supervised by an assistant referee, to avoid changing Robot Athletes. If the Robot Athlete cannot be repaired within the specified range, then it is disqualified from the race.
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Any modification to the robot during repairs is prohibited.
⚠️ Safety Violations
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Participating teams are always responsible for their own safety and the safety of their robots and are responsible for any accidents caused by their team members or their robots. The organization and the members of the organizing team will never be held responsible for any incidents and/or accidents caused by the participating teams or their equipment.
🟥 TEAM DISQUALIFICATION
A team is disqualified from the event and must withdraw in the following cases:
➤ The team’s results will not be taken into account and will not appear in the official competition rankings.
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If a Robot Athlete does not comply with the specifications defined in the sport’s rules and the team refuses to make the required adjustments.
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If any of the Technicians behave inappropriately or disrespectfully, use offensive language, provoke, or verbally (or otherwise) attack fellow participants or referees.
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If it is discovered that a Robot Athlete is not operating autonomously, but instead is being remotely controlled via Bluetooth, Wi-Fi, or any similar technology.
✅ ALLOWED / ❌ PROHIBITED
✅ Allowed:
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Reprogramming and mechanical adjustments between attempts (outside the field of play).
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Protective covers/guards and rounded edges for safety
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Gears, pulleys, belts, chains, worm drives, gearboxes and similar mechanisms for lifting—provided they are safely secured and do not damage the field.
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Status indicators (LEDs, buzzers) and an audible beep signal.
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Battery swaps between attempts using manufacturer-recommended cells.
❌ Prohibited:
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It is forbidden for the Robot Athlete to be connected in any way to a computer, tablet or any other electronic device during the attempts, except for the start of the robot.
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For safety reasons, any modification to motors, microprocessor or batteries is prohibited.
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Components that could break or cause damage to the playing field are not permitted. Do not use components intended to harm other robots, spectators, referees.
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Sticky substances are not allowed to improve adhesion.
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Devices that can store liquid, dust, gas or other substances are not allowed.
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No combustible devices of any kind are permitted.
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Throwing devices are not allowed.
🏆WINNERS
The 3 winners are those with the highest score.
The best score is used to determine placement in:
🥇 1st place
🥈 2nd place
🥉 3rd place
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