I’m reading through Josh Waitzkin’s The Art of Learning: An Inner Journey to Optimal Performance. Josh was the inspiration for the great book
Searching for Bobby Fischer: The Father of a Prodigy Observes the World of Chess and movie Searching for Bobby Fischer, national chess champ 8 times as a kid, then a national and world push hands champ. Anyway, he mentions he had street smarts from playing chess since age 6 in Washington Square Park against hustlers, plus classical training from a scholastic chess coach. In the park, he learned to be creative and take chances. In his training he learned more formally. Combining the two gave him a potent advantage early on.