The Gambler Who Beat Roulette and Made History

Some casino games, including blackjack and poker, can be beaten with strategy and skill. Roulette, however, is a game of pure chance. You need luck to win.
That doesn’t explain the story of Niko Rosa, though, a Croatian player known as “the gambler who beat roulette.”
So, how did he do it, and if one gambler beat roulette, can you do the same?
Niko Rosa: The Man Who Beat Roulette
Not much is known about Nika Rosa, except that he was a professional roulette player who could predict the outcome of each wheel spin with uncanny accuracy.
His story began in The Ritz Club, a London venue known for high-stakes gaming. He entered the club with two associates and made repeat visits, winning large amounts of money each time.
The club studied security tapes to look for inconsistencies, trying to determine if he was cheating and how, but after failing to find anything, they paid Tosa his money and let him leave.
He was beating roulette without issue; that was clear, and he seemed to be operating legally and fairly.
How the Famous Gambler Beat Roulette
So, how did the “the man who beat roulette” get one over on the house?
Well, we don’t know for sure.
We know he did it under the scrutiny of the security cameras. Rosa and his two assistants also waited several seconds after the ball was dropped before placing their bets, and they bet on around 15 numbers at a time.
They didn’t win every time, but they won enough times to turn a substantial profit, with reports suggesting that Tosa took over $310,000 from total wagers of just $30,000, and his friend won more than double that amount.
Beating Roulette the Niko Rosa Way
We don’t know how the gambler who beat roulette won his money, but there are several theories.
The most prevalent suggestion is that he used predictive software, as indicated by placing multiple bets only after waiting for the ball to drop.
These tricks have been in place for many years and revolve around the idea that the ball will only take so many bounces, so if you know where it is dropped, you have a good idea of where it will end up.
You can’t make an exact prediction, but you don’t need to, as you can simply place multiple bets to cover a general area.
There are apps and programs designed to help with predictive analysis, but they are illegal to use in the casino, and if Tosa had been using them, the cameras would have seen him.
He could have just hidden the program, but this is unlikely, considering the scrutiny placed on Tosa and his colleagues. If he had used such a strategy, he may have run the calculations in his head, although that would have been very difficult in such a short time.
Summary: The Gambler Who Beat Roulette
The story of Tosa and his associates is famous in gambling circles, and if you spend a lot of time playing the roulette game online or offline, there’s a good chance you’ve heard about it.
It’s hard to know his strategies, but he was successful. If you want to follow in his footsteps, learn about the game in our roulette guide before considering betting strategies like Martingale and Paroli.
Roulette Common Queries
Who was the gambler who solved roulette?
His name was Niko Rosa. He is said to have beaten the game at the Ritz Club in London, where he was with two other players.
Has anyone ever beat roulette?
As discussed here, Niko Rosa is the name that comes up the most, but this is an old game, and people have spent a long time studying it, so there’s a good chance he isn’t the only one.
How did Niko Tosa beat roulette?
No one knows, but the prevailing theory is that he used predictive analysis to determine where the ball would land. It might explain why he placed multiple bets and always waited for the ball to be launched before doing so.
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