What am I doing wrong?
I've been playing decent/well (with a few failures) in my recent games but can't seem to find a win. I don't really want to point fingers but usually it's another lane that loses and carries their win to victory. I roam as much as possible and nearly 100% of the time they are successful but even with that they still end up losing. The games tend to go downhill toward late and that's when my near perfect KDA gets mushed. It may just seem from the scores that I played average but I can tell you that it was what people would consider "fed" early game. I try and try to carry my lead to other lanes but even after I get them ahead, they just throw it over and over. I tried a different approach by ignoring them and getting myself strong but we still ended up losing, this time because my teammates were all weak, me being the only strong one. Because of this, I went straight down from Platinum II promos to Platinum IV (LP below 50) and it's not so much stressing me but making me wonder why. I've tried roaming/not roaming and I watch map pretty carefully so I can ping if/when/where I see the enemy jungler. Late game I can usually fight anybody and win (unless they are extremely tanky) but my team keeps trying to either fight without me or in disadvantageous conditions. I tell them to back off with pings but they go ahead anyways and die. I try to carry my games but it hasn't been working out and I honestly don't know what I'm doing wrong, any tips?