Sealed Best of One Current System: We feel we've hit a good spot with the event structure and rewards, making it 'worth your while' without putting too much emphasis on the benefits of winning. To try and combat that, we're removing ICRs and making up for this by adjusting the amount of gold players can earn as prizes. And yes, this is a big part of why we're running a couple of preseasons before we get into finer details about who, how, and when you can qualify for some of those MTG Arena Mythic Championships we recently announced. There are two distinct parts to this. Matchmaking rating is our way of trying to ensure that you face the best possible opponent at any given time. However, in our breakdown below, when you see "MMR" we are referring specifically to a player's matchmaking rating.
Using a singular MMR across all our event types and modes could lead to some unfun, and downright unfair match-ups for people who play regularly in one format, but only occasionally in another.
December State of the Beta: Matchmaking Breakdown
Why is MMR separate? For the first preseason, all the tiers within a rank will be weighted equally for the purposes of matchmaking e. While it might go without saying, we don't use all of these weights in all of our formats. Case and point, the only time rank matters namedrop in our matchmaking system is when you're playing a ranked event. Some games have even forgone Elo entirely, and instead use other established algorithms to quantify skill level or even develop their own in-house system. Ranked Best of One Current System: Combined with the other changes, this should also make some of the earlier matches against other players more new player friendly.