Weird Ruling in Previous Tournament

Last weekend I was over at a tournament where the head referee ruled that possessing a mobile goal and defending a mobile goal in the positive corner was illegal and counted as double possession. An image describing this is shown below


The robot is holding a goal and defending one in the corner

We tried looking in the game manual and Q&A for anything about this but found nothing. We have an upcoming tournament and would like to debate this with an official ruling.

Thanks

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The rule that would most likely pertain to this situation is <SG6>:

Your scenario is asked and answered in Q&A 2013:
https://www.robotevents.com/V5RC/2024-2025/QA/2013

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It wouldn’t be double possesion as per this q&a:
https://www.robotevents.com/V5RC/2024-2025/QA/2013

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Hard to tell from a still image what happened prior and after. Did you contact the second mobile goal while “defending”?

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This is not illegal. In order for a robot to possess a mobile goal, it must be fully supporting the mobile goal, so the goal in the corner does not count toward possession. This is explicitly stated in rule and the definition of possession in the game manual.

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Read SG6 in the current manual, and you will see a link to Q&A 2013, which covers this exact situation. The robot in your image is not violating SG6.

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The definition of Possession is as follows:

Possession – A Robot / Scoring Object status. A Scoring Object is considered Possessed by a Robot if a Robot’s change in direction would result in controlled movement of the Scoring Object. This typically requires at least one of the following to be true:

  • The Scoring Object is fully supported by the Robot.
  • The Robot is moving the Scoring Object in a preferred direction with a concave face of the Robot (or inside of a concave angle formed by multiple mechanisms/faces of the Robot).
  • The Robot is holding the Scoring Object against the Floor or a Field Element.

The corner goal is absolutely not being possessed as pictured. If you want an official ruling you should post this on the Offical Q&A.

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