In 2004, a British man sold his house, his car and every item of clothing he owned. He gathered £76,840 and placed it all on a single roulette spin, live on television, in front of a global audience. That is only the third craziest story on this list.
The 10 craziest bets in history
1. Archie Karas — $50 that became $40 million (and then $0)
In December 1992, Greek-American Archie Karas arrived in Las Vegas with exactly $50 in his pocket. Over the following two years, he challenged the greatest poker and pool players in the world — and beat them all.
At his peak in 1994, he had $40 million on the tables — the largest documented winning streak in casino history. By 1995, it was all gone. Casinos refused to play him at their regular tables, so he moved to baccarat, where skill offers no edge. Karas returned to Las Vegas many times. He never came close to repeating it.
2. William Bergstrom — $777,000 on a single dice roll (1980)
In 1980, a man walked into Binion's Horseshoe Casino in Las Vegas carrying a suitcase. Inside: $777,000 in cash. He placed it all on a single craps bet on the "Don't Pass" line — essentially betting against the shooter.
He won. He walked out with the suitcase overflowing and his name in the history books. Years later, he returned to the same casino with $1 million and lost it all in a single roll. William Bergstrom died shortly after.
3. Ashley Revell — £76,840 on a single roulette spin (2004)
Ashley Revell, from London, sold everything: his flat, his car, his clothes, his watch, his wedding ring. He gathered £76,840 and flew to Las Vegas. Live on Sky One's Double or Nothing, he placed everything on red at the Plaza Hotel & Casino roulette table.
The ball landed on Red 7. Revell walked away with £153,680 — double his money. He later used the winnings to start an online poker company.
4. Fred Craggs — 50p that became £500,000 (2008)
Fred Craggs, a mechanic from Yorkshire, placed a 50p accumulator on eight horses across eight separate races. The combined odds made the bet almost impossible.
All eight horses won. William Hill paid out £500,000. Craggs found out on his birthday, while still at work. He told reporters he wasn't entirely sure which horses he had backed — it had been a routine punt.
5. Mick Gibbs — 30p and 15 football teams (1999–2001)
In 1999, Mick Gibbs placed 30p on a 15-team accumulator. Each team had to win a specific European competition during that season. Ladbrokes accepted the bet.
Two years later, when Aston Villa won the UEFA Intertoto Cup in 2001 — completing the combination — the bookmaker paid out £157,000. Thirty pence. Two years of waiting. £157,000.
6. Leicester City at 5,000-1 (2016)
Before the 2015-16 Premier League season, British bookmakers offered 5,000-1 on Leicester City winning the title. It was essentially a courtesy bet — nobody thought it possible.
Some fans placed £20, £50, £100. Leicester won. Anyone who had £20 on at 5,000-1 received £100,000. It was widely described as the greatest upset in modern professional sport.
7. Phil Ivey — £7.7 million the casino refused to pay (2012)
Poker player Phil Ivey won £7.7 million at baccarat in Crockfords Casino, London, using a technique called edge sorting — identifying tiny imperfections on the edges of playing cards to predict which side would face up.
The casino refused to pay, claiming cheating. British courts sided with Crockfords. Ivey never received the money. The technique was clever — and legally classified as dishonest under English law.
8. Don Johnson — $15 million negotiated from Atlantic City (2011)
Don Johnson — the businessman, not the actor — won $15 million in six months at Atlantic City casinos, entirely legally. His method: he negotiated special rules before sitting at the blackjack table, including a 20% rebate on losses.
Casinos desperate to attract high-value players agreed. Johnson exploited the rules to their mathematical limit and earned more than any other individual player in Atlantic City that year. No crime. Just maths and negotiation.
9. Gonzalo García-Pelayo — the engineer who beat roulette with statistics (1990s)
Spaniard Gonzalo García-Pelayo discovered that physical roulette wheels have mechanical imperfections — certain numbers come up slightly more often than the odds imply. With his family's help, he spent months recording thousands of results at Madrid casinos and calculated the real probabilities for each wheel.
He won millions of euros over the 1990s. Casinos sued him. Spanish courts ruled that using intelligence to gamble is not a crime. García-Pelayo had broken no law. The casinos simply banned him.
10. Brian Zembic — $100,000 to get breast implants for a year (1996)
In a Las Vegas bar, professional gambler Brian Zembic accepted a bet from a friend: he would get breast implants and keep them for a full year, receiving $100,000 in return.
He went through with the surgery. He won the bet. And he kept the implants for more than ten years — because, in his words, he got used to them. The story was documented in Michael Konik's book The Man with the $100,000 Breasts.
What these stories don't tell you
Each of these cases seems singular — and it is. But there is an invisible pattern behind most of them: asymmetric knowledge (García-Pelayo, Ivey, Johnson), or extreme risk with media coverage (Revell, Zembic), or simply an extraordinary coincidence (Craggs, Gibbs).
What does not appear on this list are the thousands of bettors who made equally bold moves — and have no story to tell because they lost everything. The difference between memorable outcomes and invisible ruin often comes down to bankroll management. They are the overwhelming majority.
Placar Frio exists for exactly this reason: not to eliminate risk — that is impossible — but to help identify situations with historically favourable patterns, so decisions are based on real data rather than intuition or excitement. That same data-driven discipline is what separates professional bettors from those whose stories never get told.
Gamble responsibly
The stories above are extraordinarily rare exceptions, not examples to follow. Gambling involves real risk of financial loss. Never bet more than you can afford to lose, and never gamble to recover previous losses.
If gambling is affecting your life, seek help: BeGambleAware: www.begambleaware.org | GamCare: www.gamcare.org.uk | US National Helpline: 1-800-522-4700