Back on topic:
Why not? If you want it and will devote the time required to do it, surely you can reach your goals.
I think mental maturity helps, you need to be able to focus like none other.
Back to the subject of focus, let's focus on focus.
Here's an indication that chess teachers may not focus and make their students not focus either on what it should be at Square One, Day One, coming from one of the greatest chess thinkers (Shakhmatny glasok, 1929)
Any idea what Nimzovich wanted to communicate to us? Lack of focus on something other than moves first, perhaps?
Back on topic:
Why not? If you want it and will devote the time required to do it, surely you can reach your goals.
I think mental maturity helps, you need to be able to focus like none other.
Absolutely.
Focus is important, if we only knew what exactly to focus on
I'll give you an example. The very chess beginning, Chess Square One on Day One. Maybe the critical time for one's further ascent in chess, as many, many entrants never be moving beyond the moves.
Why? Because teachers make them focus on, erm, apparently not the right thing in the very beginning as many develop a serious disease, chessboard blindness.
Thanks for commenting @physics_girl!
Physicist and chess