[MrTechCenter]

We were called for a "blockade" when we were defending against two opposing alliance robots on our own when one of them finally split off but our alliance partner went to go defend against them on the other half of the zone. I don't see how it's a blockade when we were left to defend against the robot that had possession of the ball, who made no attempt to try and go around us. I think the definition of a blockade is way too vague for it to be called consistently, I never saw a other blockade call again.

As for the two defenders with the opponents' ball behind them, that would be considered trapping and therefore possession, we have been called on this as well, when we had a good foot between us and the ball, which was up against the side wall and there was a clear opening on either side, and the opposing alliance never touched that ball the entirety of the match, not because we were defending it, but because their focus was to prevent us from scoring, not scoring themselves. Again, trapping is a very vague definition.

Pinning has the most clear definition of all of these. If a robot is being held up against a field element, or is being pushed by opposing robots on opposite sides of their own robot, it's a pin. Otherwise, it's fair game.