I know that there have been some questions about stakes and how the rings fall on the stake that they are counted as scored. I don't feel like they answer this question or situation. Should the red ring pictured be counted as the top ring of the mobile goal? 
Official Q&A: VEX V5 Robotics Competition 2024-2025: High Stakes
2440: SC3 and Definition of a Stake
Answered by committee
Per clause A of rule <SC3>, to be considered Scored on a Stake a Ring must (among other criteria) be "encircling" a Stake. That clause also states that, "In this context, “encircling” means that any part of the Stake is at least partially within the volume defined by the inner edges of the Ring."
The game manual defines "Stake" as, "A vertical ½” (12.7 mm) Schedule 40 PVC pipe (gray, red, or blue) with a compliant barb at the top."
In the above picture, the Stake (which by the definition includes the barb) is within the volume of the inner edge of the Ring. Thus, this would count as Scored, and a Top Ring.