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Matchmaking Explained. This topic is closed. Posts Latest Activity Photos. of 1. Filtered by:.
template Next. Burning Titan. Matchmaking ExplainedAM. Surprisingly not a suggestion or complaint thread.
This is a short playdota article I wrote to explain matchmaking systems. I won't pretend to be an expert, but I have an understanding of matchmaking algorithms. If anyone would like to correct any of my points, feel free to do so.
Your Matchmaking Score Actual matchmaking has nothing to do with "what kills you have" as that is a factor that isn't entirely affected by skill, and has negative on players who aren't selfish. Which is why such an algorithm would actually be flawed. Matchmaking algorithms are based on probabilities. On average, you out perform players below your current skill level, and perform worse than those above. Though you often will win against greater players and lose against worse players, as this is only an estimate of what "should" happen. If you win against someone you should win against, your rating stays around the same, but if you beat someone above you, your rating will increase.
The opposite is true if you lose. The difference the loss or win makes is actually calculated by the difference between your skill levels. Beating someone way over your skill level changes your ranking much more, than the very tiny boost you'll get for beating someone only slightly over your skill level.
Their is an additional variable that increases the magnitude of how much you lose or gain each game, which is used to make the first several games for new players worth much more toward their ranking than any other game, because it needs to get them somewhere in the system though it's not an accurate ranking quite yet, this speeds up the process to approach it.
This variable tends to ease out and eventually stop increasing the magnitude of each change when you have lots of matches played. These matchmaking algorithms also tend to take how often you swerve away from your average probability of winning as a factor of how much your matchmaking score will change, to avoid huge jumps for players who have lots of wins against better players and lots of losses against players who are worse. If we are talking about what determines your performance, it generally will be just how much you have How does normal matchmaking work dota 2 vs lost, and in a team game it will likely sum up the two teams player scores to determines the probability of who should win, and what impact that will have.
Many systems take into how close each game was, though we do not know if this is a factor used in Dota 2's matchmaking system. Some players like to party with friends of much lower level than they are. This is why you sometimes get players who are a lot lower level than you are in the game, and though the system won't jump this lower level player for high level wins if it already understands that players matchmaking rank, it could mess up if they are still in their first few games.
Smurf detection is it's own complicated issue, but we know for sure that the system checks if you completely pub stomped almost every one of your first several games, and if you did, it will skyrocket your matchmaking ranking. So high level players with new s will quickly leave the low level matchmaking pool. This is the only scenario where kills and deaths have any effect on your matchmaking rank. The system can't grantee the outcome of a game even with what is supposed to be a very balanced match. Finding a Match When How does normal matchmaking work dota 2 enter matchmaking, you enter a localized pool of eligible players to a game.
What pool you are in is determined by the region you selected for example, US East, Europe West, etc If you selected multiple regions, you are in every pool you selected. This pool lists you by your matchmaking ranking, and during the time you wait, it's going through players within a certain range of your skill level and placing them in a match lobby with you. If it doesn't find enough players within that range the first time, then it will repeat the loop, except with a less restrictive range, meaning their is a larger skill differences between you and these players, than the difference between you and the players it has already found.
This loop repeats until it finds ten suitable players, and has balanced the teams between those ten suitable players found. Once you are in a match, you leave your pool s and How does normal matchmaking work dota 2 to the game server.
So the skill difference between you and the players in your game is determined by what players are available, and even if their is a large skill difference, it's still better than you waiting in the matchmaking pool for hours, waiting for that perfect match. Specific to Dota 2, the larger your party size going into a match, the lower How does normal matchmaking work dota 2 range of skill between you and your opponents it will tolerate.
So you will wait a little longer for what will be likely be a better quality match. So you are more likely to find a good match if you have a ranking with a lot of players, which is aroundat the time when the most players are on, and in the highest traffic region. So unfortunately, this means that in the reverse scenario, if you are near the highest or lowest ranking possible, where there are fewer players, you play around am, and if you live in a region with the least players, you will have matches of lower quality, and longer wait times.
This is why some players decide to play in other How does normal matchmaking work dota 2 than their own, because they want to avoid the tremendous wait times they get in their region. Some regions also have terrible internet, so they will get the same ping nearby as they would in another region anyway. Potential Inaccuracies There is only one issue I have gathered that has strong evidence for it, to following is a direction quote from the playdota member xpforever.
This is not a complaint thread, this is a partially informational and partially speculative thread that will attempt to explain why you have so many problems with the matchmaking, and why players from some regions seem to cause problems in your games. This is a problem with how rating systems work in general. Suppose we have one big happy dota region. The skill distribution and MMR would be consistent, and would look like something like a bell curve note that the s aren't the same scale that dota 2 uses : In fact, if we took a sample of players, gave them their own Dota 2 region, and had them play lots of matches against each other but never against people outside of this regionthen the MMR curve would look more or less like that, with the median being or whatever Valve uses.
It doesn't matter if you took a bunch of completely new players or a bunch of professional players. The average MMR would be the same since it's relative to the group. Now, what happens when we add multiple regions? The problem is that the average skill level of every region won't be the same no offense meant to anyone. There are highly skilled Russian players, and there are low-skilled US players, but just assume that the average skill level of the Russian region will be lower.How does normal matchmaking work dota 2
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How dota 2 matchmaking works