Just had a Hanzo, not getting any kills at all, then we start losing hard and we convince him to switch to Tracer and he's on fire and goes like 12-1 as Tracer and we win
To get out of gold, improving your mechanical skill will immediately give you an upper hand against most of the other players in that elo so focus on that first.
And being able know which dps is best suited for the situation is going to be important.