Many asked me what I think about TvP, and I sort of tiptoed around the debate most of the time. But some recently have convinced me to write something up to facilitate discussion and hopefully push the match up for the better.

I don’t want to simply assert my stand on the state of balance. Instead, I want to frame this article to articulate how I approach the match up as an average player with the goal to maximise my win rate (and enjoyment). If I do X and it doesn’t go well, I analyse and come up with an alternative that I perceive would give me the better chance of winning than X. Let’s start with the most common approach, and then improve on it.

The standard as baseline

In most TvP games, there are two stages of the game that are defined by the timing when Terran have Stim and Medivac with bio. The time frame before this is the early game, and the time frame after it is the mid game (and later). This is not selected at random, but rather based on the shift of goals for both sides upon Terran have Stim and Medivac with bio (read more here).

What do both sides normally do in the early game? Terran go for one Barracks expand (with a Reaper), while Protoss go for one Gateway expand. The recent patch, which increases Adept’s build time from Gateway by 3 seconds, has stabilised the match up to allow both sides to expand normally. There are usually some mini skirmishes early on if Protoss decide to be aggressive with their early Gateway units, but this is a scenario that usually does not have a strong impact on the overall strategy both sides have. Terran can go for 1-1-1 or other variations that allow them to converge to a 3-1-1 set up for Stim and Medivac with bio. As for Protoss, they would choose a tech choice (i.e., Twilight Council, Robotic Facility, or Stargate), then put down another two more Gateways before expanding. Of course, Protoss have the option to expand first before putting down the two Gateways.

The mid game starts when Terran move out after they have Stim and Medivac with bio. At this time, Terran put down a third Command Centre, whereas Protoss are mining at the third. Let’s not get into the thinking that this is unfair for the time being, but simply accept it as if this is like Zerg taking an earlier third than other races. Terran would attack the third Nexus as Terran have the power spike with Stim and Medivac, which is something Terran have invested in from the start. Protoss have enough to defend, and it usually ends up with a trade that I would consider not in favour of Terran or close to even.

Protoss would have notable worker lead over Terran, and Terran have just started mining at the third. Terran have Mules, so I personally am not sure if both sides are reasonably comparable in mining rate. Worth noting, however, evidence appears to suggest Protoss indeed have an economy advantage over Terran. Terran cannot attack for the time being, because the army count has just reset from the big trade at the third Nexus. This is a state that I as a Terran player would want to avoid, because it is not in my favour. So what can I do differently?

Finding options

Analysing the baseline state

Terran are powering up on two bases for the move out with Stim and Medivac power spike, but Protoss have enough to at least neutralise this with three mining bases. There are two interpretations:

• Terran’s power spike timing is not optimised.
• Protoss align their resources better upon that timing.

The 3-1-1 Stim and Medivac timing is tested and proven for a long time, so I believe there is little room for optimisation that is going turn the table around. Sure, you can make changes like Command Centre first and then three Barracks, and that gives you the biggest force possible for the 3-1-1 move out. This has obvious downsides, such as you probably lose to two Gateway opening, and you are playing blind from the beginning. Let say, the gamble works in such a way that Protoss let you be, the other issue is that Protoss can take the third quicker too as a reaction. The eventual situation is likely to be comparable to the baseline with one Barracks expand. Considering the downside, this does not seem viable.

Protoss with three bases matching Terran’s power spike at this time frame is not new in Legacy of the Void. We previously have seen Adept and Phoenix being used to shut down this kind of mid game timing. Protoss align their resources well by taking an early third and have a power spike with mass Gateway units (i.e., Adept). While mass Adept and Phoenix form a powerful mid game composition, they do not scale well. Thus, Terran’s best option against this is to not move out as per normal in mid game, and then attack with a more powerful army to take down the then less effective Adept and Phoenix composition. However, the army that Protoss use to hold the third Nexus now mainly consists of Zealot, Stalker, and Colossus, which are units that Protoss would have for later stage of the game anyway. It seems reasonable to then suggest that Terran might have given Protoss too much room to grow while they power up for a two base power spike. The empirical evidence on the disparity of mineral mining rate appears to be consistent with this conjecture.

This logically leads to the question; what can Terran do to slow Protoss down?

Early game options

You can slow Protoss down by:

• Killing Probes; or
• Forcing defensive investment.

To do either of this, you have to attack or at least fake it. Pros have tried different harassment options, and there is a consensus that the return on investment is not worth it. These options include conventional Widow Mine drop, mass Widow Mine drop, Cloak Banshee, and Liberator. These options do not require Terran to throw everything they have at Protoss, while they macro up for the Stim and Medivac goal. Hellion drop is an option if you want to “all-in” harass to trade your units for workers. The result is binary whereby you either kill double digit Probes (i.e., good trade) or simply get shut down flat (i.e., even more behind). Such high risk high reward option is unlikely to become a main stream option, as Protoss would dedicate their play to counter it if it becomes popular. Furthermore, high level players mentioned that the reduced Warp Gate research time in previous patch makes it easier for Protoss to defend against Hellion drop.

How about proxy? I have written about proxy in TvP extensively, and you can read about its origin, rationale and implications, and counter. Long story short, proxy maximises the plausible variations of attacks that Terran can throw at Protoss by creating information gap in Protoss’ mind. This is hugely built on the notion that Reactor Cyclone is a plausible variation, which requires immediate and dedicated reaction from Protoss. Hence, the redesign of the Cyclone in the patch at the end of 2018 essentially killed this strategy. Therefore, as of current knowledge, slowing Protoss down early on does not appear to be the right path.

Adjustment to power spike

Going back to the two interpretations of the baseline, if the 3-1-1 power spike cannot realistically be improved for what it is, then it is likely that Protoss figure out how to align their resources well to match Terran’s power spike with Stim and Medivac. One reasoning is that Protoss got away by taking an early third, and this gives Protoss the economy advantage to produce enough and match with Terran’s timing attack. Logically, taking a base comes with the opportunity cost of units, which suggests there is a window that Protoss could be vulnerable.

Unsurprisingly, the pros caught up on this, and they started to do early timing push. I have written about early timing push already, so I won’t go into depth here. The result is dependent on the micro battle obviously, but more notably, how well Terran hide the intention to execute an early timing. Below vods are some recent examples.

Not attacking

The above options are assuming Terran are the one who have to attack, so how about we turn it on its head and not attack? This is exactly what top pros like TY, Maru, and INnoVation are doing right now! They do the same baseline with a 3-1-1 then expand. However, instead of attacking with the bio force with Stim and Medivac, they simply use them to apply pressure on the map. One issue is that Terran have research deficit, so they cannot be out on the map to fight against a better army. Further, Terran have to worry that Protoss would hit a timing with their superior upgrade. What can Terran do?

A reasonable answer is to make use of defender advantage to circumvent the upgrade disadvantage if Protoss were to attack. Again, this is exactly what the pros are doing. They are investing heavily in Siege Tank and Liberator, which are the two best defensive units to hold a location. They also stay active on the map by getting the best out of the mobility of the bio and Medivac. There is no specific goal in this strategy, as it simply goes to the late game and tries to defeat Protoss in the extreme late game situation. Below are some recent examples.

The other way to circumvent the upgrade disadvantage is hit a timing before Protoss have 2-2. This usually involves Scv pull and double Starport for Viking to gun down the Colossus. Yes, it is the infamous all-in. Below is an example.

I also challenged the assumption of going for the standard 3-1-1 as the baseline. How about taking an early third before going for 3-1-1? It obviously has its risk. But what if Terran can get away with it? My conclusion is that it is likely to polarise the above two options of not attacking when you’ve a delayed 3-1-1 power spike with an early third. You have a better economy to be defensive, and you enlarge the scale of the all-in battle with Scv pull. Overall, it does not seem like it is an enlightening path.

Evaluating the options

Let me list out the feasible options I have mentioned so far:

• Hellion drop
• Early timing
• Mid game all-in
• Defensive late game

I am not confident with the defensive late game strategy, and I also don’t think it is the option that can give me the best chance of winning. This leaves me with the other three, and I pick one of the three according to map and situation. There is a common feature with these three options. The result is binary.

• Hellion drop: I either kill enough Probes to put myself ahead, or I’m very behind.
• Early timing: This is a semi all-in, which I usually either win or lose on the spot.
• Mid game all-in: Again, I either win or lose on the spot.

Is TvP imbalance? If you look only at win rate, I will just say I’ve a 60% win rate. If you look at balance as a perception of enjoyment, it is my least enjoyed match up (but my best match up).

Interestingly, I have a 33% win rate for TvZ, but I enjoy it the most. There are several reasons for it. First, contrary to the TvP situation, I have options that can slow Zerg down. Zerg is the best race when they’re left alone, so Terran and Protoss are required to do things that slow Zerg down early on. Slowing the Zerg down does not require me to directly kill Drones, as I can simply force Zerg to make units. Controlling creep is also another way of slowing Zerg down. Second, there is a good degree of variance in the outcome for the actions that both my opponent and I take. Related to the first point, how well I slow Zerg down depends on how well I execute certain harassment (or attack), and the opposite is true for Zerg. The outcome is not binary, as it can be like I killed 2 versus 5 Drones by risking my Hellions temporarily. Advantages accumulate. Third, players can disengage in battle. Zerg can poke forward and decide not to engage once they see Tank shots. Terran can hit and run with small drops, which is something hard to do against Blink Stalkers. You either don’t drop against Protoss, or you drop at least four Medivac of units. You probably then just trade the units you dropped, as it is too risky pick up. Also, Zealots with charge can hardly disengage when Protoss decide to take a sizable battle. All these contribute to the perception that TvP engagement is binary, which is not enjoyable in my opinion. Fourth, both Terran and Zerg have a wide range of builds, and there are many compositions to choose from.

Ending words

Unless there is truly an innovation to the match up, I doubt we can diverge away from the above framework too much. Is the match up imbalance? That depends on your definition of balance.

Just to sum it up. Protoss have advantages in economy and upgrade in the mid game, but Terran do not have good options to slow Protoss down early on. Terran’s options are to all-in, or take it to the late game by being very defensive.

I am not sure how much the latest patch of nerfing Protoss’ research timing is going to improve the existing issues. One thing for sure is that, I am going to keep doing the three things I’m doing, unless I see a better option.

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