Silvers and plats should not be able to stack together

[Ryom-1460]

How Competitive Matchmaking and Rating Works (Season 24)

The matchmaker needs retooled for role queue. It clearly matches by average TEAM MMR, and it needs to match by average ROLE MMR. A team-wide average was sufficient for open queue games where switches could happen, but is completely inadequate for a role-locked match. Platinum tanks fighting Silver tanks will never be a fair fight, etc. If your team has a DPS SR average of 2500, the opposing team should have DPS with an average of 2500 SR. This doesn’t happen and is trivial to verify.

How Competitive Matchmaking and Rating Works (Season 24)

More thoughts: Doing this adjustment for the matchmaker could actually DECREASE queue times as well by opening up the total SR spread for a team while keeping it intact for each role. So for example you could (in theory, and if necessary for the matchmaker to create a game) have Diamond DPS, Silver Supports, and Gold Tanks in one match… but the opposing team would have EXACTLY the same configuration. This gives the matchmaker more latitude to pull in players, without disadvantaging one side o…