How do kids
become prodigies?
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They say ten thousand hours of practice can make anyone an expert. That's only half true. So are child prodigies born, or made? One father actually tested it on his three daughters. In the 1960s, a Hungarian teacher declared: geniuses aren't born, they're taught. Before he even had children, he planned to prove it with his own.
He went on to have three daughters. He picked chess, because wins and losses are clear and easy to compare. The girls were schooled at home and played chess for hours every day. And it worked. The youngest became a chess grandmaster at fifteen years and four months, breaking Bobby Fischer's record. The eldest became a grandmaster too, and the middle one an international master. Practice wins, it seems. But look closer, and something's off.
Same father, same training, yet the sisters reached different levels. One researcher estimated: the eldest practiced about thirty percent longer than the youngest, yet her best rating was well below her sister's. Other players are the same. Among sixteen master-level players in Argentina, one got there in about eight hundred hours. Another took over twenty-four thousand, nearly thirty times more. Some amateurs even practiced more than the average master. Crunch the numbers: in chess, practice time explains only about a third of the difference.
So where's the rest hiding? An American psychologist tested eight child prodigies. Their IQs varied. But on one thing, all eight were in the top one percent: the little notepad in their heads. That notepad is where you hold a few numbers while doing mental math. The bigger it is, the more you can juggle at once. But with only eight people, the evidence is still thin.
Sweden tested more than ten thousand twins. Identical twins share nearly the same genes. One practiced music a lot, the other much less, yet their ear for pitch and rhythm was about the same. Even the urge to practice is partly inborn. A psychologist who studies prodigies noticed something else: they're obsessed, and adults can't hold them back. She calls it a rage to master. So prodigies aren't just born, and aren't just made. A big mental notepad, an urge that won't stop, and a home that fills every day with that one thing. It takes all three.
And most prodigies grow into experts, but few change their whole field. So rather than piling up hours, look for this: the thing your child can't stop doing on their own. When you were little, was there something you couldn't stop doing, without anyone pushing you?
Ten thousand hours
is only half the story
They say ten thousand hours of practice can make anyone an expert. The number comes from a study of violin students at a Berlin music academy: the very best had practiced about 10,000 hours, on average, by age 20.
But the researcher himself said 10,000 was just a round number, not a promise that anyone who hits it makes it.
So are child prodigies born, or made?
A father's experiment
with his daughters
In the 1960s, a Hungarian teacher named László Polgár declared that geniuses aren't born, they're taught. Before he even had children, he planned to prove it with his own. He went on to have three daughters and picked chess, because wins and losses are clear and easy to compare. The girls were schooled at home and played chess for hours every day.
The youngest became a chess grandmaster at 15 years and 4 months.
She broke Bobby Fischer's 33-year-old record as the youngest ever. The eldest also became a grandmaster and a women's world champion; the middle one became an international master. Practice wins, it seems.
More practice doesn't
always mean better play
Same father, same training, yet the sisters reached different levels. One researcher, working from their biographies, estimated that the eldest practiced about 30% longer than the youngest, yet her best rating was well below her sister's.
Other players are the same. Among sixteen master-level players in Argentina, one got there in about 800 hours of practice, another took over 24,000. And some amateurs practiced more than the average master.
Crunch the numbers, and in chess, practice time explains only about a third of the difference.
An extra-large
notepad in the head
An American psychologist tested eight child prodigies. Their IQs varied, but on one thing all eight ranked in the top 1%: the little “notepad” in their heads, where you hold a few numbers while doing mental math. The bigger it is, the more you can juggle at once.
Why that notepad makes you lose your train of thought mid-sentence: see Why do we forget what we were about to say. With only eight people, the evidence is still thin.
Sweden tested more than 10,000 twins. Identical twins share nearly the same genes: when one practiced music a lot and the other much less, their ear for pitch and rhythm was still about the same.
Even the urge to practice is partly inborn.
An urge
that won't stop
A psychologist who studies prodigies noticed something else: they're obsessed, and adults can't hold them back. She calls it a “rage to master.” It isn't grown-ups pushing them; the kids themselves can't stop.
It takes
all three
A big mental notepad, an urge that won't stop, and a home that fills every day with that one thing.
The Polgárs had all three: their father wove chess into every day. And most prodigies grow into experts, but few go on to change their whole field. Early doesn't mean furthest.
So rather than piling up hours, look for the thing your child can't stop doing on their own.
not just made.
Quick check
In chess, how much of the difference between players does practice time explain?
Masters in Argentina practiced from about 800 to over 24,000 hours. Practice explains a third; the rest is the notepad, the urge and a home.
