Frederick's opening moves in the Seven Years War put the Austrians in a tough spot, removing a major ally and shutting their main army in Prague. However, their victory at Kolin forced him to relinquish his siege and the whole position in Bohemia. However, if Frederick had won at Kolin, could he have forced the surrender of the army in Prague? Could he then have imposed peace on the Austrians, and if so, what kind? Would he have been able to annex Saxony, or substantial parts of it?