am i a better player then i thought?

so lately ive been smashing ranked last season i was hard stuck silver 4 but this season ive got a 78% winrate on vel koz just won my silver 3 promos that i never hit last season but this season i hit it with ease so my question is could i actually be gold tier? or is this just some kind of dumb luck? heres my opgg account what do you guys think?
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