nope skill is pretty well reflected in your elo.
I thought I was a plat player being held back by feeders, trolls and surrender spammers in gold 1/2. Lost every plat promo I got to.
I now realize, I'm simply too bad to realize what separates a plat player from a gold player. I carried out of silver easily, and that made me realize what separated a gold and a silver. Now I need to know what separates a plat and a gold.
I watch friends play bronze/silver/low gold games. TBH there is no distinction between bronze 1 and gold 5 for me. I think "MAN WHY??!!!" so many times when I see a play that either seals their defeat or throws a huge advantage. There are so many wtf strategy moments I see in bronze-silver. That's not even talking mechanics; the mechanics of some silvers can beat mine, but they don't know what to do with those mechanics. They aren't actually good, they are just good at snowballing in lane. I won a game where my ADC fed 2 kills before 5 minutes, as support, just because I realized how terribad the enemy team was (their ADC was low gold, our bot lane was high gold) and baited them into 1v3s, 2v5s and collapse on them as they ward, dragon, etc. It was incredible how my team went from losing 3-17 to winning the game, simply because we realized how absolutely terrible the enemy team was, and the only reason they were winning was due to snowballing from an early FB.