What is MMR in League of Legends?
Matchmaking Rating (MMR) is a hidden score used by Riot Games in League of Legends to evaluate player skill and create balanced matches. This system ensures players face opponents of similar skill levels, making games more fair and enjoyable.
For example, if your MMR is 2000, you will generally be matched with players whose MMR is close to that number. While the exact value of MMR is not publicly visible, there are tools and methods to estimate it.
How to Check Your MMR
Using an MMR Checker Tool
You can estimate your MMR using third-party tools like https://lolmmr.com/. Here's how:
The tool calculates MMR based on match history, win/loss ratios, opponent skill levels, and other factors, with an accuracy of over 95%.
Manual Estimation
If you prefer, you can estimate your MMR manually:
Why Your MMR Might Be “Unranked” or “Unable to Calculate”
Unranked: You have not yet been placed in a ranked tier.Unable to Calculate: This can occur if input details are incorrect. Ensure you:Select the correct region.Enter a valid Summoner Name and Tagline.Factors Affecting MMR
MMR is influenced by various aspects of gameplay, including:
Note: Dodging (leaving champion selection) does not affect MMR but incurs LP and time penalties in ranked queues.
