The sports gambler from Las Vegas has dominated the game like no one else in its 35-year history.
There have been 'Jeopardy!' greats who can easily answer all the questions, who have mastered the buzzer and who bet big on the Daily Doubles. But Holzhauer possesses an unprecedented level of daring.
The odds of more legal betting are good.
AP Photo/John Locher
About 47 million adults in the US are expected to gamble on March Madness this year. A growing share of the bets will actually be legal.
Ugandan President Yoweri Museveni has banned sports betting and a variety of other gambling activities.
There's a strong case to ban gambling as it's rapidly becoming a public health concern in sub-Saharan Africa.
Some football bets are 50 times more harmful than others.
The longer they keep you plugged in to a game, the better it is for the house.
AP Photo/Seth Wenig
When you engage in recreational gambling, you're not simply playing against the odds – you're battling an enemy trained in the art of deceit and subterfuge who uses human nature against you.
The 2018 World Cup inspires new gamblers.
Online gambling collects a huge amount of data. But instead of personalising offers to keep you hooked, real-time data can be used to prevent problematic gambling behaviour.
The U.K., where sports gambling is legal, provides a good source of data for the likely impact in the U.S.
Reuters/Andrew Boyers Livepic
Many states are pondering making gambling on sports legal after the US Supreme Court overturned a federal ban. But is the industry really worth as much as some say it is?
A screen shows a baseball game next to various betting lines at the Westgate Superbook in Las Vegas, Nevada.
John Locher/AP Photo
But those hoping for a boon in tax revenues could be sorely mistaken: Sports betting isn't as lucrative as it's often portrayed to be.
Never mind three more years – some people think just one might be a tall order.
A Friend in Need (1903).
Cassius Marcellus Coolidge
With a proposition bet, the odds are always against you.
Hitting a moving target is hard, and young people don't always do what's expected.
There were red faces all round after the wrong film was given the award for Best Picture. But stranger things have happened.
If the bookies are right - and they usually are - La La Land and Emma Stone will be dancing home from the Oscars.
If you want to know who's going to win the Oscars, your best bet is the bookmakers.
Theatre of dreams.
Fixed odds betting terminals attract all the attention, but something alarming is being overlooked.
In the pink? Betting companies have been on our screens in the hunt for gamblers.
There were 1.39m gambling ads on television in 2012.
Mattpix / Shutterstock.com
Who really knows where the EU referendum is headed: the pollsters, or the bookies?
A games experts explains the more complex ways to gamble on Euro 2016 and what the risks are.
Are the odds in favor of big computer-assisted bettors?
USA Today Sports/Reuters/
Are regular bettors and the house helped or hurt when deep-pocketed, high-volume computer-assisted bettors are wagering? Mathematicians used game theory to model this new wrinkle in parimutuel betting.
Computers could help Blackjack players get much better at card counting in the future.
Smells like team spirit. Leicester captain Wes Morgan celebrates scoring against Manchester United.
Egg roulette, terrible passing stats and the odd pizza. The psychology that builds success.