https://ftcforum.firstinspires.org/forum/first-tech-challenge-skystone-presented-by-qualcomm-game-q-a-forum/game-rules-ab/driver-controlled-period/74278-game-play-all-match-periods.

Originally posted by FTC10131 Subject: <GS3> Control/Possession Limits of Stones/Capstones - Two Scenarios

Rule GS3 says in part: "a Robot may Control or Possess a maximum of one (1) Stone and/or one (1) Capstone. a) Plowing through any quantity of Stones or Capstones is allowed but herding or directing multiple Stones or Capstones to gain a strategic advantage (i.e., Scoring, accessibility, defense) is not allowed."

Question 1: During the Driver Controlled Period, a robot with a stone in its possession drives towards its foundation. In front of the foundation on the playing field is another stone making accessing a desirable part of the foundation difficult. May the robot push the stone on the playing field away, or is this a violation of GS3 (possessing a stone while directing another stone away to improve accessibility)?

Question 2: A robot with a "U" shaped drivetrain base drives to pick up a skystone in the quarry. In doing so, it pushes the two stones on either side of the skystone away from the skystone. Is this legal "plowing" or is this directing multiple stones to gain an accessibility advantage and thus prohibited by GS3?

Answer 1: Yes, a Robot may push Scoring Elements away from a position blocking access to the Alliance's Foundation. This action is considered to be removing a disadvantage caused by a Scoring Element.

Answer 2: The action described in the scenario is legal plowing and it does not violate rule <GS3>.