Something to consider though about going into a goal structure and then pushing the tetra up is that you risk dislodging the already stacked teras (incuring point penalties and losing posession permanently for the goal to the oposing alliance), there could be tetras inside the goal that impede your movement, and you have to be able to get over into the goal structure without tipping (topheaviness could become an issue). Hope that helps you guys fine tune something to meet your objectives.
