G424       *Don’t tip or entangle. A ROBOT may not deliberately, attach to, tip, or entangle with an opponent ROBOT.

G423       *This isn’t combat robotics. A ROBOT may not damage or functionally impair an opponent ROBOT in either of the following ways:

G421       1 defender at a time. No more than 1 ROBOT may be on the opponent’s side of the FIELD (i.e. containing the opponent REEF) with its BUMPERS fully outside and beyond the BARGE ZONES.

G427       ZONE protection. A ROBOT may not contact, directly or transitively through a SCORING ELEMENT, an opponent ROBOT partially or fully inside the opponent’s BARGE ZONE or REEF ZONE regardless of who initiates contact.