I don't get it. doesn't the minerals deplete? you can't have more than 1 scv per mining at a time anyway. I mean I build f'loads of scvs i play league.. when I expand I grab a bunch off my current minerals and send em to the new one. Gets things running sooner.
can you really double mine gas? and does it deplete quicker?
How do you survive the tank push? If I scouted you guys I would get rines maybe a medvac or two and some siege tanks and roll in. or if I was zerg a mass of speed lings can quickly tear up the place with stalkers in back from toss ally or roaches from zerg ally. Or if double toss well immortals can tank really well or double zealot rush with a couple of stalkers in back. If you're walled zerg can blow it up. protoss just has to pick at it with stalkers and get an observer overhead for sight or bust down the other entrance.
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maybe this is the difference between diamond league and other leagues. :| People are highly aggressive.