If you can't break top 100 and are stuck in the 650's constantly, the problem is between the keyboard and chair. After 50-100 matches, assuming, you have finally understood all of the strategies for your class, very little of it is RNG.
It's like poker players who complain that they literally never get good hands as the reason why they lose constantly. No, the reason is because they're not as good as they think they are.
