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Transparency Of MMR calculation. Why not ?!?!?!?!?!?!?!?!?!

Occams Raiser··6 votes·635 views

I saw a thread about two guys that started 2 fresh accounts and played their prelims together for all 10 games. When it was over they were sorted into two different divisions. We all wanted to know why. I think it is because there is a flaw in the system when it comes to calculating KDA, cs per minute, and win\loss rates as it pertains to lane assignments. If we knew that the calculation hurt particular roles, we would see a shift towards the highest rewarded role. Who would play support if you found out you advance slower because of it? What if it was vise versa? Everyone would want to play support to rise faster.

What do you think? I think it is bigger than shaming people or getting shamed by your score. That sounds like a BS reason. Realism or cynicism... I don't know. Everyone doesn't need to see it but it would be nice for me to see my own and know exactly how to make it higher. If I don't want to share it that is up to me.

14 Comments

Matthias91192 votes

I think it is because there is a flaw in the system when it comes to calculating KDA, cs per minute, and win\loss rates as it pertains to lane assignments. If we knew that the calculation hurt particular roles, we would see a shift towards the highest rewarded role. Who would play support if you found out you advance slower because of it? What if it was vise versa? Everyone would want to play support to rise faster.

Riot has said over and over and over and over and over that no in-game statistics are taken into account for MMR gains and losses.

I saw a thread about two guys that started 2 fresh accounts and played their prelims together for all 10 games. When it was over they were sorted into two different divisions. We all wanted to know why.

On a fresh account your starting Ranked MMR is seeded with how you've been doing in Normal matches in that queue.

Occams Raiser1 votes

I can get behind that. What is your MMR point loss or gain based on starting fresh from prelims? For example I would like to know " If I lose my next match I will have 33 points knocked off my MMR. If I win the next three games I will be at 1500."

Matthias91191 votes

Personally I think they should let you see your own MMR and what the breakpoints are for the various tiers/divisions. Would make the ranking system less opaque IMO.

That said, unless you're in a "V" division and have lost a ton of games, probably 95% of the players in each division are within +/-50 MMR of each other.

Occams Raiser1 votes

It does seem silly to have a skill level number and then have a division as well. What is the point of being a silver if you are going to be placed with bronze players because that is where the match making says your skill level is at? And your skill level isn't really there if you lose a bunch of games and drop a division.

And looking at your normals during placement, doesn't this mean there really is no practice mode?

Matthias91191 votes

You have to lose a lot to drop tiers (like Silver to Bronze), because they don't want someone to lose a few games in a row and get demoted. But it will start placing you against Bronze players well before that to keep the matches fair.

And looking at your normals during placement, doesn't this mean there really is no practice mode?

It only does this if you have never played Ranked before. After that the MMR for the two modes is entirely separate. The main effect of this is that high-skill smurf accounts start up in somewhere like Gold rather than stomping everyone in Bronze/Silver in their placements.

I AM VBAD1 votes

its even worse than that. other game modes like ARAM and probably even URF count toward your overall MMR. I played almost purely ARAM all the way up to 30 having only 26 victories in normals. after going 4-6 in my prelims I was placed in bronze 1 but my MMR was so high I had to fight against high silvers and sometimes golds in my ranked matches.

my MMR was jacked up from ARAMs.

Matthias91192 votes

They've also repeatedly explained that each mode has its own MMR.

I AM VBAD1 votes

then tell me how I am placed with high silver after 26 normal wins and 4-10 prelims

Matthias91192 votes

http://www.lolking.net/summoner/na/48909083#matches/1707797874

Looks like mostly low Silver/high Bronze to me, although you only played your placements this year and haven't played Ranked since then. Your MMR fluctuates much more with wins/losses in your placement matches than it does afterwards.

The last Ranked match you played did have a bunch of mid-to-high Silver players and one Gold V in it. I'm guessing that he was duoed with one of the silvers.

I AM VBAD1 votes

whatever they were its ridiculous to put a player with 26 total wins with those players. I quit and had to start a new account because I cant compete with them. I should be with bronze 3 or 4.

how did my elo get so high?

edit: im pretty decent at ARAM. the last few matches I played I was seeing players with diamond borders regularly. that's why I assumed my ARAM matches raised my ranked MMR. ranked is a completely different game though and I don't have a good understanding of it.

Matthias91191 votes

how did my elo get so high?

It's not that high. If you haven't played much SR, you would start around S4 in Ranked and move up or down from there. Other than that very last match, which had one G5 player in it, you were mostly up against high Bronze/low Silver players.

They don't take total games played into account in Ranked because 1) it's not necessarily a good measure of skill, and 2) that would let smurfs beat up on low-skill players for much longer than they otherwise can.

Worst Mid Ever1 votes

i went 9/1 in placements on this account in season 3, got placed silver 5 and hardly played ranked on it after that, finished my season 4 placements 6/4 yesterday and got promoted from silver 5 last season straight to gold 5 with a gold 2 MMR according to op.gg and the players in my games, i wish they would just bring back the old elo system

BLU Medic1 votes

In order to do the test properly, you'd have to get two people to play games with each other all the way to level 30, THEN do placement matches together to see where they end up. Because currently your hidden MMR seems to be affected by normal matches and other game modes, meaning that the two players would have different MMRs to behind with.

Occams Raiser1 votes

Sure. Once someone else pointed how some of it worked, there was probably no point in testing it at all. Now I see Why they don't outwardly publicize it. This seems like it would make people smurf just like COD when they want a high KDA. If I had of known that my regular games count, I might have started fresh before starting ranked. NO NOT REALLY, but I can see why people would think that is sound logic. But doesn't this mean there really is no practice mode?

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