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What are the most common Protoss Fast Expand builds and what are the advantages and disadvantages of each?

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up vote 8 down vote accepted

I could have sworn I answer this question once before... so let's focus just on the Pros and Cons part.

There are two major FE builds seen in top level play:

  1. 1 Gate Expand
  2. 3 Gate Expand

There are a couple of players who will favor a 2 Gate Expand, but for the purposes of illustrating the Pros and Cons I'm going to ignore that for the second. Suffice to say it gains some measure of the Pros and some measure of the Cons.

1 Gate vs 3 Gate

It is important, when discussing the number of Gateways to build, to establish that we are not talking just about building this many Gateways, but also keeping up production out of them. Thus a 3 Gate build is not just an extra 300 minerals over a 1 Gate, but also the cost of building units out of those 2 extra Gateways. If you are going to build extra Gateways and then not use them, then they aren't serving a real purpose are wasted money. Like wise a building an early Nexus and then not building workers for it is just as big of a waste, thus a 1 Gate isn't just 400 minerals behind a 3 Gate in Gateways.

The trade off in a 3 Gate vs a 1 Gate is a later expansion for stronger early pressure. By choosing to go 1 Gate a player has few defenses against an aggressive opponent. Even a Macro Zerg might do an early Roach push if he senses a weak 1 Gate opening. By comparison a 3 Gate is a much stronger force with which you can pressure your opponent. Again, if we consider the Macro Zerg or 3 Rax Terran, opting for a 3 Gate allows you to pressure your opponents expansion or successfully defend against early pushes. This is a much "safer" build, but you pay for it in the long run.

The reason a 3 Gate is so very safe is that it is hard to tell the difference between a 3 Gate and a 4 Gate or 3 Gate Robo. As a result the 3 Gating Protoss has the advantage of looking like they're going to make an early push. This will force many opponents to over produce units at the expanse of Tech (Terran) or Workers (Zerg). It can even be used to break a 1 Gate Protoss.

By comparison the 1 Gate Protoss relies on dying early scouts and getting up an early forge to supplement his defenses. While a Photon Cannons aren't held in high regard by many players this reduces the dependence on gas and allows for heavier mineral saturation that serves double purpose in getting the Expansion up and running.

As I mentioned before a 2 Gate is somewhere in between, however, it does not have the benefit of being mistaken for a 4 Gate or the lower dependence on Gas. Some people still believe it provides enough of an early defense to deal with early Harassment (think Hellion/Reaper/Speedling) without delaying the early expansion unnecessarily. This decision is one that comes with practice.

But Which One?

Usually the decision between a 1 Gate and a 3 Gate is a sign of your comfort level in dealing with early pressure. If you feel very capable in disaster management, have good micro, and are against a more passive opponent, then 1 Gate is definitely the better decision. However, if you want a safer build with the option to switch to a one base all-in, a 3 Gate is a very powerful choice.

Ultimately, the decision is one of comfort and practice.

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Does the cyber-core come out before or after the gate, and when do you get gas? –  Aardvark Jan 13 '11 at 18:35
    
@Taboo usually, and this will change from player to player, players going 1 Gate will get 1 Gas, where as players going 3 Gate will double gas (I shouldn't have to mention that if you're getting gas you're building a Cybernetics Core). The reason is that 3 Gates requires more gas to sustain output. However, there are no hard rules on this, and players will switch it up. While you can skip the Cybernetics Core, I don't advise it. There are too many units which eat Zealots (even Speedlings can be dangerous against Zealot only Expansions). –  tzenes Jan 13 '11 at 18:41
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See here for a lot of protoss' build orders.

And in particular:

Be aware that every FE build order is very weak against cheese and early aggression, so be careful and scout.

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FYI Juan, #2 is actually Cheesy and #3 is out of date (since the Roach Range Buff). –  tzenes Jan 13 '11 at 3:42
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Forge expand vs zerg as seen on day9 http://blip.tv/file/4585419

  • forge when I see spawning pool
  • 2nd pylon at natural
  • cannon on natural pylon
  • nexus
  • gateway ( sentry when gate finishes )
  • 2 assimilators
  • chrono probes
  • 2nd cannon at natural
  • double gas after gate
  • core when gateway finishes
  • build 6 gates
  • start +1 attack
  • get 2 geysers
  • stop making probes when creating first round of units
  • save chronoboost

Note: Mostly chronoboost probes

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