Starcraft II: Terran tactic - Barracks > Marauders

1 Rax Marauder build can be characterized as a very aggressive opening in Terran versus Protoss game. The Terran uses his Marauders and SCVs to crush the opponent. From this oppening you can transfer into a fast expand or mid game Siege Tank push. This build tries to exploit Protoss's zealot oppening or punish him for fast expansion.

The Advantage of this tactic is plenty of space for micro, which is crucial in here. If you micro correctly, you can sacrifice your SCVs as a shields for Marauders and by that fool enemy units AI, all of that gives your Marauders valuable time to deal as much damage as possible.

The set up is following: