G418      *This isn’t combat robotics. A ROBOT may not damage or functionally impair an opponent ROBOT in either of the following ways:

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.

G420      *There’s a 5-count on PINS. A ROBOT may not PIN an opponent’s ROBOT for more than 5 seconds. A ROBOT is PINNING if it is preventing the movement of an opponent ROBOT by contact, either direct or transitive (such as against a FIELD element). A PIN count ends once any of the following criteria below are met:

G415      Watch your ARENA interaction. With the exception of GAME PIECES, addressed by G410, a ROBOT may not damage an ARENA element. A ROBOT is prohibited from the following interactions with an ARENA element, except chain (see G416) and a GAME PIECE (see Section 7.4.2 GAME PIECES).