Does one really need to convince anyone they are good if they really are that good?

If you are really that good do you have to convince anyone you are? If you believe you are the best skateboarder in the park, the best poker player in the country to the best photographer in class if you were wouldn’t people know it? If you had to convince them you were the best doesn’t that logically prove you are less than the best, or that your claim is unproven? If you won awards or was recognized by your peers the proof would more than not manifest itself in tangible form.