How does dota 2 matchmaking works

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.

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Many systems take into account how close each game was, though we do not know if this is a factor used in Dota 2's matchmaking system. New accounts with few games played tend to have high uncertainty, while older accounts with many games played tend to have low uncertainty.

Similar adjustments are likely to come through continually, as Valve admits this to be an experimental phase in their period.

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Guys if you have any questions, please post them below in comments, so I can reply and keep a track of all questions. Despite there being a disparity in terms of actual skill, this wouldn't be a problem since they would be playing within their own region. Players in Low Priority cannot queue for ranked matches. Which is why such an algorithm would actually be flawed. More on this below. Conversely, unexpected match outcomes will tend to cause an increase in uncertainty. According to Valve, player opinions of the MMR system are highly correlated with their recent win rates. Now when you matchmake, you will have the option of selecting roles from position 1 through 5 Safe Lane Core through Hard Support , including multiple selections. In order to achieve this, we need to know what role you want to play in advance of the match being formed.

Since normal and ranked matchmaking are tracked separately, a player who has many normal games will still experience high uncertainty in ranked matchmaking if he or she has only played a few ranked games, and vice versa.

Another common case is playing with a friend who has a higher mmr than you, expecting that it will cause your mmr to go higher. All PvP game modes are available for unranked matches.

dota 2 ranking system

I will go step by step so this will be a long guide.

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Dota 2 Ranked Matchmaking in a nutshell