Understand about MMR and How does it Work?

The MMR match-making rating is a relative score assigned to the player that is intended to reflect his/her playing abilities as compared to other players. Blizzard uses the MMR to keep matches in equal parts. At the beginning of Heroes of the Storm, there was simply one MMR for each player. In the meantime, each player has many different MMRs – one for each game mode (quick search, unrated games, hero league and team league). Although the MMR number used by Blizzard is kept strictly under control, this value, alongside the actual rank, has become the main criterion for the comparison of players.

What is MMR?
The MMR is not a Blizzard-owned invention. Originally developed for the chess game to compare the game strength, this system has also established itself rapidly for online games (especially for mobas). Unlike Heroes of the Storm, the MMR number is often referred to as the ELO value in other games. Behind this value is a more or less complicated mathematical system, which is used by various organizations, e.g. Also Microsoft has been further developed and adapted. dota 2 mmr boosting is important if you want to boost your MMR quickly.

As already mentioned, Blizzard uses the MMR to allow balanced parts, i.e. there will always be players with almost the same MMR value.
How does MMR work?
Simplified, each player has an MMR value that increases over time by winning or decreasing by defeats. How strongly you’re MMR changes depend basically on two factors: The expected value of the lot and the classification certainty. The expected value of the game is the difference between your MMR and that of your opponent. So if you are a “bad” player to hit a much better player and win, your MMR increases more than if you win against an “even worse” player.
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