That some people became grandmasters in as little as 3000 hours is enough to question the assertion that it's all about nurture. There's a limit to perseveranc

That some people became grandmasters in as little as 3000 hours is enough to question the assertion that it's all about nurture. There's a limit to perseverance. Some may be blessed with an extraordinary amount of it but most aren't. So you're much more likely to keep at it if you progress fast enough to achieve 1 % percentile performance in say 3000 hours instead of 10,000. 3000 hours is 5 hours a day of practice for 3.5 years. We all have observed how some just rocket ahead .