The Queen problem first showed up in a Putnam Math Contest. If you solved it in no time, then you're mathematically talented, which puts you in the first category.
I'm not questioning the fact that I'm kind of gifted when it comes to mathematics (I actually ranked #72 in a nation-wide math contest in France when I was 10) but you were talking about “maturity” and not innate skill. Since don't have a math degree and I haven't done math in more than a decade, I'm definitely far from “mature” on any mathematics perspective that can matter for a job.
And after ten years working in the industry, I can assure you that it is not a skill I can leverage a lot in my job…
And after ten years working in the industry, I can assure you that it is not a skill I can leverage a lot in my job…