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[D] Terran tech switches?

Forum Index > StarCraft 2 Strategy
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Willzzz
Profile Joined December 2010
United Kingdom774 Posts
November 21 2011 19:39 GMT
#1
You can often lose a TvZ or a TvP to a quick tech switch, obviously scouting is key here, but if you don't spot it in time it can be devastating.

Can terran employ similar strategies mid-late game? How can you overcome the inherent difficulties that terran has in tech switching?

Different and expensive production structures.
3 separate upgrade paths

If it were realistic to do a tech switch, what factors would make it successful? In what situation would an opposing player be vulnerable to such a tactic?
gabapenteado
Profile Joined August 2011
Brazil37 Posts
November 21 2011 20:31 GMT
#2
Terran is the race that needs to invest the most for a tech switch, but also it's the only one who doesn't have building placement limitations.

In a somewhat realistic scenario, hiding a tech switch could be a solution, though i find it extremely difficult to pull off.

Also, i think that due to building time limitations, and money spent on production structures, an tech switch can't be performed reactively, thus reinforcing the point that it can only be done to surprise a player.

Also, take my words lightly, as i am only a platinum player.
xlava
Profile Blog Joined March 2011
United States676 Posts
November 21 2011 20:32 GMT
#3
Absolutely. Although I don't see many Terrans do it on ladder, if you see a Protoss going chargelot archon with no robo bay in sight, a tech switch to a 3:1 marine : marauder ratio can be absolutely devastating if you know how to emp and dodge storms.

Stuff like that. Although a switch from bio to mech is not feasible imo...
Ragnarok87
Profile Joined June 2011
United States55 Posts
November 21 2011 20:41 GMT
#4
Yes, Terran can tech-switch and should. This is where "add-on switching" comes into play. My strategies involve a rather large tech switch either entering or in the mid-game. Example: opening reactor hellion vs Zerg to make him build roaches and then switching into marine/tank. To do this you switch the add-on and build a tech lab on the factory (or the rax while making hellions while getting stim and combat shields).
"Immortal/roach is pretty good against stalker" IdrA
theBOOCH
Profile Joined November 2010
United States832 Posts
November 21 2011 20:47 GMT
#5
Really nice question. The only tech switch I know that is really effective is switching into banshees or later battlecruisers in TvT, especially against a meching Terran. In fact, it's a critical element in my play as I tend to max out with a relatively small army and a LOT of SCVs compared to my oponents. Battle cruiser switches happen in really high level play as well. They can be really effective, especially is the switcher has a viking advantage or the opponent doesn't have a ton of vikings. It's pretty important to throw down a bunch of starports and make sure you have an air advantage before building any BCs, and also have a bit of extra production in case you lose air control. The only thing that works vs a BC switch in TvT is vikings or almost pure marines with superior upgrades (but a few tanks make mass marines worthless). Some people think thors work, but they really suck vs BCs. In fact, BCs with yamato canon are a good response to mass thor.

Other switches in TvT can work too, such as switching into bio if your opponent spreads too thin, or marauders if they go for too many hellions, but they're not really "gotcha" like switches. I like to throw down a bunch of naked raxes when I have a good max and am banking minerals because I can use them to switch quickly if I spot an opening (and marines are always nice to have).
If all you're offering is Dos Equis, I will stay thirsty thank you very much.
TG Manny
Profile Blog Joined September 2011
United States325 Posts
November 21 2011 20:57 GMT
#6
I honestly don't think Terran tech switching is that great of an idea, outside of going for sky-terran after a prolonged mech-match filled with siege tanks.

If you go one particular route and get your upgrades for it, IE getting 1/1 marines for a relatively early timing attack off of double-engy bay will say "HEY I am going to be playing BIO" since you'll want to continue upgrading and keeping the upgrade lead...

Let's say the attack fails to make a killing blow and you want to get some more tanks to contain/starve the opponent...well you have to have an armory for 2/2 so you might as well start researching mech weapons/armor on top of your bio upgrades. Now you may be transitioning to more mechy infrastructure but you still will have powerful bio forces to use for drops/other general harassment.

So I stand by what I have stated, Terran doesn't tech switch, Terran transitions.
Singularity is at hand...
Qntc.YuMe
Profile Joined January 2011
United States792 Posts
Last Edited: 2011-11-21 21:02:34
November 21 2011 21:02 GMT
#7
On November 22 2011 05:41 Ragnarok87 wrote:
Yes, Terran can tech-switch and should. This is where "add-on switching" comes into play. My strategies involve a rather large tech switch either entering or in the mid-game. Example: opening reactor hellion vs Zerg to make him build roaches and then switching into marine/tank. To do this you switch the add-on and build a tech lab on the factory (or the rax while making hellions while getting stim and combat shields).



Tech switching only works early game where u didnt invest as much money. So reactor hellion opening into marine tank is ok. But lets say something like mid to late game where u alrdy spend the upgrades and you want to go full bio to full mech.

Yes u can tech switch, but u have to invest ALOT for this. As in, its so much that its better to just stick to your normal tech route and invest more money in it for units.

Example: I have 6 rax to use bio with 1/1 upgrades. I want to switch to full mech but i need like 3-4 factories (Add ons are no problem since i can use rax addons), and i have to restart mech upgrades since its at 0/0. If i switch to mech, My 0/0 upgrades will be the biggest handicap whenever there is a fight initially unless i stall long enough. Also note by going full mech, all the upgrades i have spent (Shell + c-shield + stim + attack and armor upgrade) is basically useless resource i spent temporarily. That also includes all the 6 rax i spent = useless. Thats alot of resource i spent for just tech switching.

Zerg can tech switch easily due to having all production facilities as 1 building. Terran is the exact opposite of that, u need many different production facilities to make units.


The only real viable tech switch at the late game is when terran transitions into sky terran. But thats about it
Waah
Profile Joined February 2011
United States120 Posts
Last Edited: 2011-11-21 21:06:23
November 21 2011 21:03 GMT
#8
On November 22 2011 04:39 Willzzz wrote:
You can often lose a TvZ or a TvP to a quick tech switch, obviously scouting is key here, but if you don't spot it in time it can be devastating.

Can terran employ similar strategies mid-late game? How can you overcome the inherent difficulties that terran has in tech switching?

Different and expensive production structures.
3 separate upgrade paths

If it were realistic to do a tech switch, what factors would make it successful? In what situation would an opposing player be vulnerable to such a tactic?

From mid-late game, the production facilities shouldn't be very expensive (although it's nice to have more to begin with, as time is a resource. If tech switch involves reactors for example, it could be an issue). If the game is still in the mid stages, upgrades shouldn't make or break the game. After all, Terran tech switches often involve units that are mainly used for their abilities, or you are tech switching because that unit is effective against their composition to begin with (which makes up for the lack of upgrades). The biggest hindrance for me is time up to this point, to be honest.

If the game is late enough, say a split-map scenario, you could just turtle & harass with expendable units while tech switching/upgrading--no rush there (at least in Plat).

Obviously, it's risky if you're tech switching without any reasonable defense and if the opponent scouts it right away. That's more like crossing your fingers and hoping it works. I guess having dominant map control (to keep the opponent from pushing out) and some form of fortification helps in tech switching.

It's hard to be vulnerable to a tech switch unless the guy didn't scout at all. With that said, one can still be vulnerable to a tech switch if he/she is led to committing too much into a certain composition from scouting something. That person may not have the necessary tech or production facilities up to deal with a tech switch. A simple example (not relevant to the matchup at hand, sorry) is the PvZ stargate opening (to force hydras) into colossus transition. I guess casters would say something like "dictating the pace of the game"? And can this be considered a tech switch? I did use the word "transition" after all.

But really, the stuff above were/are almost natural transitions or openings. From what I see, these "tactics[tech switches]" that the "opposing player [is] vulnerable to" is either risky play or bad scouting by the opponent. With some effort into scouting, more times than not will the opponent be not vulnerable.

Therefore, unless you enter the game with a specific opening that makes the opponent do "x", then follow up with a tech switch "y" that is effective against "x", "y" feels more like (i.e.) "he has no detection, I should go cloaked banshees!" kind of "tech switch," rather than something with a clear plan and reasoning behind it. In the above example, if the opponent got detection in time, you'd only be wasting resources (assuming we're not gosu and cannot control banshees like one, and digressed extremely far from an intended build order). Wouldn't you have more success with doing a build that makes the opponent do something that leads to them having a vulnerability that you can use for your own advantage? (something that is not a loss for you even when it's scouted). If you wanted to use cloaked banshees in your army, you can harass if the opponent has no detection yet, or try, then incorporate it into your army, as intended. To conclude, I think the fact that I'd like a planned "tech switch" more counts as a transition, rather than a tech switch.

It feels like I didn't make a strong point and rambled more. Regardless, I hope you find it helpful.
rod-
Profile Joined June 2011
Norway379 Posts
November 21 2011 21:05 GMT
#9
I think the upgrade part scares terrans from switching around, but adding blueflame hellions in tvp agianst chargelots/ht armies works really well, and as people know by now is that hellions melts workerlines in under 3 seconds, so they tend to play more safe.
IMmvp~~
Micket
Profile Joined April 2011
United Kingdom2163 Posts
November 21 2011 21:09 GMT
#10
Terran has no 'IMPACT' units, compared to Zerg and Protoss. Zerg tech switching from ultras to broods will kill any Terran without ghosts or vikings. Protoss suddenly making 4 robo colossi in late game will destroy Terran who doesn't scout this. Terran is not gonna scare the Protoss by making 4 thors out of no where. Terran upgrades are also limited to their respective tech trees. Going banshee hellion viking and transitioning to BC can hardly be called a tech switch. I don't think there are any impactful Terran units that will change the tide of any fight except ghosts, but again, hardly a tech switch.
Huggerz
Profile Joined May 2011
Great Britain919 Posts
November 21 2011 21:16 GMT
#11
I would never tech switch in the mid game unless I killed like half of his probes early. Tech switching after maxing and with a good economy is good. It's why I virtually always start +1 air upgrades as soon as I get an armory
“It's like poker. You can play your best, but you've got to know when to fold your cards and take a rest, and know when to hold your cards, hold your breath and hope that nobody else is stacking the deck."
iAmJeffReY
Profile Joined August 2010
United States4262 Posts
November 21 2011 21:23 GMT
#12
On November 22 2011 05:32 xlava wrote:
Absolutely. Although I don't see many Terrans do it on ladder, if you see a Protoss going chargelot archon with no robo bay in sight, a tech switch to a 3:1 marine : marauder ratio can be absolutely devastating if you know how to emp and dodge storms.

Stuff like that. Although a switch from bio to mech is not feasible imo...

You're falling into their hands. Two robos can easily muster 4 collsai with 3-4 nexus chronoing, and your 'tech switch' just completely lost you the game.

Terran have tech easements, not switches. We ease into something else...slowly.
Unbiased biased terran abuser Jeffrey. Sorry for the rage, friend!
RoboBob
Profile Blog Joined September 2010
United States798 Posts
November 21 2011 21:23 GMT
#13
Yeah tech switching with Terran is tough because we have the worst upgrade structure, and our units are the most spread out between production facilities.

The main problem is bio. The only way bio is viable lategame is with heavy upgrades. 3/3 Marines can take on T3 units, but 0/0 Marines? Not a prayer. Plus you also need all the relevant miscellaneous upgrades: Stim, Shields, Shells, which further delays any tech switch.

It's also difficult to switch between Factory and Starport tech because they share the same upgrade structure, the Armory, which costs a hefty amount of gas. Plus, both production facilities cost a lot of gas themselves. So in order to effectively tech switch, you need to cut quite a bit of gas from your army. This is made more problematic by the fact that there are few mineral-cheap units produced from either facility. The Hellion and Viking are the only two that come close. And while they are both very good "counter" units, they're useless in head-on engagements.

The only type of tech switching I've seen done successfully is Reactor swapping, which is really just switching between Marines and Hellions as a mineral sink. The most common example being opening Hellions to force Roaches, and later swapping the Reactors to Rax to make Marines. The idea being it's okay for your infantry upgrades to be delayed because you forced your opponent to make less favorable units.

The opposite can work pretty good too. The nice thing about Hellions is that because they have a high damage attack with slow cooldown is that they don't need attack upgrades very much. And because they can be repaired, that can help offset a lack of armor upgrades. So 0/0 Hellions are almost as good as 3/3 Hellions vs light units like Zealots, as long as they have Blue Flame. So it is possible to open Reactor-heavy MMM, and then in the lategame drop a bunch of factories and switch to Hellion + a higher tech unit that is good with even 0/0 upgrades (Such as Tank, Thor, or Banshee)
Slide
Profile Joined October 2010
United States10 Posts
November 22 2011 00:20 GMT
#14
I think that there is one viable Terran tech switch in TvZ, but it is so costly that it is all-in.

I remember doing this in season 1 vs Masters Zergs...

If I remember correctly it went:

12 rax
13 gas
15 OC
16 supply
18 gas
reactor on rax
factory
put the factory on the reactor, produce 4 hellions (force roaches, if not you have map control)
use rax to build techlab, put fact on techlab, get siege mode, produce tanks
starport
put the starport on the reactor
produce 2 vikings, go overlord hunting, snipe queens by landing (usually easier when you have 4 vikings)
2 more vikings
put the rax on the reactor again, use naked starport to make a medivac

After all this harass, zerg should be behind if you micro correctly... if you snipe overlords, a couple drones, make him produce units/tech. He might even rush for mutas on 2 base. Either way, if you play well you are ahead.

Once you have 2-3 tanks, a handful of marines, and a medivac (and your hellions and vikings if you didn't lose them... which you shouldn't or it makes the push weaker). Take 3/4 of your scvs and put them on auto-repair, and all in. Vikings, seige tanks, and hellions can all be repaired you should hit and have crippled his economy enough for your marines to kill the mutas.... probably the vikings with repair can help.


Other than that, it is most costly for terran to tech switch compared to the other races.


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