The early ling plays often come as I cannon out their expansion and as I'm not at the stage where I can defend the all in at that point yet, I've stopped cannoning out expansions lol. So they tend to be very all in but not that common if I don't try to deny the natural.
Also when would you expect to be pressured and what would the pressure be composed of?
you should be pressuring the zerg around the 6-8 minute mark, just forcing out a coupe of units is good. A neat little trick you could try is sending out a msc, zealot/stalker along with a probe to fake a 7gate all in. Build the pylon in the zerg's vision to make them crank out tons of units. Later, just cancel the pylon and retreat/recall. Additionally, whenever you leave your base, it's always good to have at least one sentry behind just in case. What i personally like doing is blocking off my natural entrance with a pylon each time i push. This way, you are safe from ling counter attacks etc... We protoss's know that is a pain in the ass T.T
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