G421      *Don’t collude with your partners to shut down major parts of game play. 2 or more ROBOTS that appear to a REFEREE to be working together may not isolate or close off any major element of MATCH play.

G419      *Don’t tip or entangle. A ROBOT may not deliberately, as perceived by a REFEREE, attach to, tip, or entangle with an opponent ROBOT.

G424      STAGE protection. A ROBOT may not contact (either directly or transitively through a GAME PIECE CONTROLLED by either ROBOT and regardless of who initiates contact) an opponent ROBOT if either of the following criteria are met: 

G422      PODIUM protection. Prior to the last 20 seconds of a MATCH, a ROBOT may not contact (either directly or transitively through a GAME PIECE CONTROLLED by either ROBOT and regardless of who initiates contact) an opponent ROBOT whose BUMPERS are in contact with their PODIUM.