These percentages show the difference in winrate if the input was missing / unknown.
It could be several reasons.
A large positive value on a summoner could mean:
The average prediction rate is currently 61.4% which means it will accurately predict the winner for 61.4% of all games, from the information available at champion select only. If you would only play games with over 50% win rate, you will potentially have a 61.4% win rate. In the graph below you can see how that prediction rate changes depending on your league.
The above results come only from games the predictor never saw in the past, a.k.a. "Test Set".
Different periods of the season may have different stability of the matchmaking. We also constantly make changes to improve the prediction over time.
The performance of each summoner on his games, in relation to the champion he chose to play. It considers the actual performance and playstyle (cspm, damage dealt, kda, etc.), not just the win rate.
No, only ranked solo queue and ranked flex. You are still able to search for any game type, however there is no guarantee on the results' accuracy.
Dodging can help you avoid "free loss" games that you would probably lose anyway. Dodging has been encouraged by professional players for many years now. To efficiently dodge can be tricky, and this tool will help you out.
In the long term, nothing. You lose some LP, and have to wait 5 minutes before queueing up again. The time and penalty increase if you dodge in succession, however is reset every game you don't dodge. You don't lose any of your hidden matchmaking rating (MMR), which is what decides how much LP you get each win or loss. This means that you will quickly regain your LP after some games because of how much extra LP you will get each win. Check Queue dodging for more info.
It is up to you to choose when to dodge, and how much patience and tolerance for LP loss you have. Try to come up with a threshold that works good for you.
Can you accurately predict the winner in about 2/3 of all games? Machine learning has historically been better than humans at these kind of prediction tasks, so combined with your intuition you will become even better at dodging. You also know your personal feeling, if you don't feel like playing against a Yasuo mid right now, or if the team starts flaming in champion select, this is important information that the algorithm doesn't have, and may have a great impact on the outcome of the game.
It's a hard question to answer. Riot has the information of both teams summoners when making a team, half which are hidden at champion select. However at champion select you gain the information of champion picks, which can't take part in the matchmaking process. Even if the summoners are perfectly balanced, the champion picks have a large influence on the outcome. We will have to wait and see what the prediction accuracy becomes next season.
Computing winrates launches 16 neural network computations. In live mode winrates are computed each time a change happens in champion select. If you rather the computations happen one at a time, you can turn that on here:
Plese note that when using the extension, the data will be fetched directly from the LoL client, so it will be up to date. However without the extension the data is taken from our server which may not always have updated data. If you get different results when both are using the extension, please report a bug to email@example.com .
Keep in mind these are statistics. The result is not optimized to predict the winner but to predict the win rate, it will default to 50% if it doesn't know.
If you do get a high win rate, it's because statistically this is exactly the chance you have to win from the information given.
Still, the algorithm doesn't know the enemy team, you could have 2 smurfs but the enemy could have 4.
Also, a 80% winrate although it sounds like a free win, will be a loss once every 5 times on average. If 100,000 people play 100 games each with 60% winrate, on average 1,610 people will still have a winrate under 50% on those 100 games. Also, make sure that the knowledge of it being a "free win" doesn't makes you play less focused, which would lower your odds. Keep using the tool, it will work on the long run, and feel free to combine with your own intuition.
Please send your experience or any other questions, concerns or suggestions to firstname.lastname@example.org . We'd love to do our best to fix any problems you encounter with this service.