[EricH]

Originally Posted by Scott358

When you say "as soon as the blocking robot touchs the other robot"... assuming the blocking robot is simply parked, it would be the hurdling robot making the contact.

Maybe I should have said, "contacts while driving." The point is that if the hurdling robot simply cannot move backwards, due to there being a robot parked behind them, the parked robot is pinning unless the hurdling robot can move forwards. And, as I said before, some folks with arms may have already figured this strategy out and rendered it useless.