this brilliant screenshot from the man himself DukeNukem shows that prottoss is overpowered
https ://i.imgur.com/jTfWVz7.jpg
as we can see the zerg noobs and the humans are fairly balanced. but prottoss has been dominating grandmaster for the past few years. as it turns out prottoss is overpowered and we didnt even know it.
so what does any of this mean? well lets do some math.
grandmaster starts at around 5500 mmr, in grandmaster prottoss has a 9% advantage over terran(if you looked at the data he wrote on the right), 9% of 5500 is about 500.
so what this means is if you play prottoss your roughly 500 mmr ABOVE where you should be.
so if your in diamond 1 for example the math says you should be in diamond 3.