Shut TFT down and return NB

I'm playing a game, Every single round I've won and am at 100% for 20 some turns. There are 3 people left. I have 9 champions on the field. My opponent has 6. I not only out number them I also just crush them. This person is at 9 points. I keep losing to them without explanation over and over until i'm at 10 points and Then, though nothing has changed, I win. Like this fuckign shit is rigged you fucking cheats. Half my champions sit around waiting to fight when clearly there is room for them to engage. Riot games should be reported for game tampering. On top of that for 10 turns I don't get a single champion I need. Clearly it changes if your ahead so they can cheat you. This game mode is just shit and should be flushed. Either you're ahead and you lose in the last 3 or you behind and get crushed, always having someone with less items and worse team comps somehow win. Like fuck this shit.