2026-05-31history · roulette · wins · stories

Roulette has been around for more than 250 years, and over that time a small number of players have walked away with truly extraordinary winnings. Some did it through patience and observation. Some did it through math. A few did it on a single bet of pure nerve.

Here are the most famous documented roulette wins in history, what they actually did, and what (if anything) we can learn from each story.

Joseph Jagger — The Original Wheel Clocker (1873)

Joseph Jagger was a Yorkshire-born engineer who suspected that the roulette wheels at the Beaux-Arts Casino in Monte Carlo couldn't be perfectly balanced. He hired six clerks to record the results of every spin on six different wheels over several days.

When he analyzed the data, he found that one of the wheels showed clear bias — nine specific numbers appeared significantly more often than the others. In 1873, he sat down at that wheel and bet exclusively on those numbers.

He won roughly £60,000 in his first session — equivalent to about £7 million in today's money. The casino moved the wheels around to confuse him, but Jagger identified his biased wheel by a small scratch and kept winning. They eventually figured out the bias and rebalanced the wheels nightly, ending his streak.

Jagger left Monte Carlo with about £65,000 (roughly £7.5 million today) and never gambled again. He invested the money and lived comfortably for the rest of his life. The song "The Man Who Broke the Bank at Monte Carlo" is often attributed to him, though it was actually written about a different gambler.

What he exploited: A genuine mechanical bias in one specific wheel. This worked because 1870s wheels were less precisely manufactured than modern ones.

What you can take from it: Almost nothing useful for today's player. Modern wheels are rebalanced regularly and monitored for bias automatically. Online roulette has no physical wheel at all.

Charles Wells — Three Days of Impossible Luck (1891)

Charles Wells walked into the Monte Carlo Casino in 1891 with 10,000 francs. He left three days later with more than 1 million francs after a continuous, near-supernatural winning streak. He broke the bank — meaning he won all the chips at his table — twelve times across multiple sessions.

Wells claimed afterward that he had a "system," but he could never explain what it was. He returned to Monte Carlo later that year and won another 1 million francs in a few days. Then he tried again, lost everything, and ultimately died penniless.

Investigators concluded that Wells was simply on the right side of statistical variance on those particular days. There's no documented strategy that explains the wins, and his subsequent losses suggest he had no actual edge — just a remarkable run of luck.

What he exploited: Variance.

What you can take from it: Roulette has enough variance that genuinely extraordinary winning streaks happen to someone every year. They aren't repeatable.

Sean Connery — Three In a Row on 17 (1963)

The actor Sean Connery, then playing James Bond, was at a casino in St. Vincent, Italy. He placed a bet on the number 17. It hit, paying 35:1. He let it ride. 17 hit again. He let it ride again. 17 hit a third consecutive time.

The probability of any specific number hitting three times in a row on European roulette is (1/37)³, or about 1 in 50,653. Connery walked away with approximately $27,000 — roughly $270,000 in today's money — from a relatively modest initial bet.

There's a story (possibly apocryphal) that Connery was inspired to play 17 because Ian Fleming had used it in a James Bond scene. Whatever the inspiration, the win is documented in casino records.

What he exploited: Statistical noise on the right side. A 1-in-50,653 event happens every once in a while to someone.

What you can take from it: If you let a 35:1 win ride twice and hit both times, you win 35 × 36 × 36 = 45,360 times your original bet. The math is real. The chance of it happening to you is not.

Mike Ashley — A Million-Pound Spin (2008)

Mike Ashley, the British billionaire owner of Newcastle United Football Club, placed a complex bet at the Fifty Casino in London in 2008. The bet included a straight-up on 17, splits, and corner bets covering surrounding numbers — sometimes called a "complete" bet on 17.

He bet £480,000 across all the positions covering 17 and adjacent numbers. The ball landed on 17. The total payout was approximately £1.3 million, a net profit of around £820,000.

Ashley reportedly enjoys this style of betting and has had both massive wins and massive losses at casinos over the years. The 17 win in 2008 is just the most publicly documented.

What he exploited: A wealthy player's ability to make extremely large bets and absorb extreme variance.

What you can take from it: Complete bets on a single number across all adjacent positions can pay enormous sums when they hit, but the house edge applies just the same. You need a lot of capital to play this style without going broke.

The Ritz Casino Trio — Laser Roulette Computers (2004)

In March 2004, three players walked into the Ritz Casino in London. Over two nights, they won £1.3 million using what the casino later discovered was a laser scanner inside a mobile phone, connected to a computer that predicted the section of the wheel where the ball would land.

The system worked by measuring the wheel's velocity and the ball's deceleration during the first few rotations after release. The phone would then signal the player which section of the wheel to bet on. With section betting (a group of 8 adjacent numbers), the system reportedly gave the players about a 35% edge over the house — a massive advantage.

The Ritz suspected something but couldn't prove it that night. They paid out the winnings. The Crown Prosecution Service later investigated and concluded that no crime had been committed under UK law as it existed at the time. The trio kept the £1.3 million.

The story prompted updates to UK gambling law and changes in how casinos handle device-assisted play.

What they exploited: The physics of a real wheel. The ball does decelerate predictably enough that, with measurement, you can narrow down where it will land.

What you can take from it: Don't try this. The casinos detect it now, the law was changed, and online roulette doesn't have a physical wheel anyway.

Ashley Revell — One Spin, Everything (2004)

Ashley Revell sold every possession he owned — his car, his clothes, his furniture, his rented house — and converted it all to cash: $135,300. He flew to Las Vegas, walked into the Plaza Hotel and Casino, and put the entire amount on Red at the roulette wheel.

The ball landed on 7, which is red. Revell doubled his money to $270,600 on a single spin and walked away.

He has since opened a London-based gambling firm, started a family, and lives comfortably. He's also said publicly that he wouldn't recommend anyone copy what he did.

What he exploited: A 48.6% chance and personal nerve.

What you can take from it: Even the most famous "all-in" roulette story is a coin flip. He was just on the right side of it. He could just as easily have walked away with nothing.

The Pattern

Looking at these stories together, a few things stand out:

1. The genuine edge cases — Jagger and the Ritz Trio — used real-world physics or mechanical bias. Both required conditions that don't exist in modern, well-managed casinos and certainly don't exist online.

2. Charles Wells and Sean Connery were riding variance. Their wins are real but unrepeatable. The math says someone, somewhere, hits these streaks every year.

3. Mike Ashley and Ashley Revell had bankroll-driven stories. Large bets create large wins (and large losses). The house edge applies regardless.

None of these players had a sustainable winning method. The edge-finders got rich once and stopped. The variance riders got rich once and either kept their winnings (Connery, Revell) or gave them back (Wells).

The Real Lesson

The biggest roulette wins in history almost all come from one of three sources: a fixable casino mistake (biased wheels), a technological exploit (the Ritz computers), or pure variance (Wells, Connery, Revell). None of them suggest a strategy you can take to a modern table.

The right way to think about roulette is the way most casual players already think about it: as entertainment with the occasional thrill. The casino has a small built-in edge that wins over the long run, and inside that edge there's enough variance that any individual session can produce surprising wins or losses.

If you want to feel what it's like to bet big without the financial risk, Big Spin Fun is free. Set whatever bankroll you want, place whatever bets you want, and see if you can break the (virtual) bank.