Hope you really have a good explanation for this one game, and trust me when I say this isnīt an isolated case, this happens A LOT
As you can see, it was a 4v5 that I managed to carry, but my point is not braggin instead look at how many wins those people have, GP left early game, this game for me was A SURE LOSS. This isnīt a comeback or " gj, you carried a game ", it was a clear disparity on how only one medium skilled player could abuse the enemy team, thank GOD my teammates listened to me, their vayne did everything right, but one can do so much against a burst heal soraka and a kennen/riven combo.
Seriously, how can you expect a good system while pairing people that have 108 wins with 0,1,3 ones?
I can guarantee that all the below 10 win people had poor skills/little knowledge, but notice that on the enemy team leona has 31, while all my teammates are below 10 that is clearly wrong.
While your matchmaking is working accordingly, the philosophy and design behind it is completely wrong for this game, you cant narrow down people skill/emotions/persona/ego for just that, there are a ton of things making an influence on each game, matchmaking does not count that, it is just a logical thing not taking into account human behaviour.
I will suggest one thing, you have TONS of data into player stats, damage dealt/ kda/ assists / kill spree the works, why dont you use that?
As a matter of fact, I will post an idea on a thread where I will explain how to use player data in a nearly non-abusive way, I will edit with the link after.
You canīt base people simply around elo, it is beyond wrong, it is doomed to fail based on how human behaviour will affect it in general.
Again, I can assure you that there was a clear skill disparity inbetween the teams, some people didnt even knew they were supposed to mid, or to jungle properly, some of them even said " Wow this is my 3rd game in ranked " while others went " Wow I never knew riven could top " or " How do I jungle ", one of them went into an argument with me about the meta, with such a shallow knowledge that I was baffled, he JUST FOLLOWED BLINDLY THE META, dammit, this is a strategy game, YOU HAVE TO THINK AND DEVELOP WAYS OF PLAYING THE GAME, god knows how many times I picked MF and the enemy followed picking soraka, it is THAT BAD.
EDITED BY LYTE ::: Saved the screenshot, thanks!