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The Secret of the Man Who Won the Lottery 14 Times: How a Mathematical Algorithm Secured $30 Million

Written by Carla Teles
Published on 04/11/2025 at 19:22
O segredo do homem que ganhou 14 vezes na loteria: como um algoritmo matemático garantiu US$ 30 milhões
Descubra o segredo do homem que desafiou as probabilidades e ganhou 14 vezes na loteria. Entenda como um algoritmo matemático se tornou a chave para garantir uma fortuna de US$ 30 milhões.
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What is pure luck for many, for Romanian economist Stefan Mandel was a matter of applied mathematics. The story of the man who won the lottery 14 times involved no illegal activity, but rather a meticulous method he created himself to ensure victory. Using his knowledge in probability theories, Mandel developed a formula that turned a chance of 1 in 50 million into a profitable business.

Mandel grew up in Romania during the Soviet regime in the 1960s. According to information from the Unknown Facts portal, he lived in a difficult financial situation, supporting his wife and two children on an accountant’s salary equivalent to only 370 current reais. Faced with the economic crisis and lack of options, he decided to create a third way to escape poverty: using mathematics to beat the lottery system.

The Origin Of The Method: Need And Mathematics

Living close to misery in a country under Soviet control during the Cold War, Stefan Mandel did not consider taking the path of crime. Instead, the economist dedicated his free time to studying probability theories, some dating back to the 13th century. He sought a way to reverse the odds that are normally four times higher of being struck by lightning than winning the lottery.

After years of study, Mandel developed what he called “combinatorial condensation”. As detailed by Unknown Facts, he created an algorithm capable of predicting 5 to 6 of the winning numbers, drastically reducing the number of possible combinations from millions to just thousands. With those thousands of tickets in hand, he would theoretically ensure possession of the winning ticket.

How Did “Combinatorial Condensation” Work?

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Mandel’s method was not just about choosing numbers, but about logistics and investment. The first step was to identify lotteries where the jackpot was at least three times greater than the total cost to buy all possible combinations. This 3x rule was crucial to cover the initial investment, indirect costs, and still ensure a substantial profit.

To illustrate, the base text cites a scenario where the numbers range from 1 to 40. This generates 3,838,380 possible combinations. If each ticket cost a dollar, Mandel would need the jackpot to be around 11 million dollars for the operation to be worthwhile. As he himself said, “properly applied mathematics can guarantee a fortune.”

From The First Victories To World Fame

The first practical application of the method occurred in Romania. Four years after developing the formula, Mandel and three friends invested in tickets and won the equivalent of 19,000 dollars. The amount was enough to cover 18 years of his salary at the time. With that money, he was able to bribe officials and leave the country with his family, moving to Israel.

After some time in Israel, Mandel settled in Australia. In the 1980s, he set up a large office with computers to optimize his calculations and attract investors to his betting “syndicate”. He obtained Australian citizenship, which allowed him to participate in lotteries in the United Kingdom as well. By the end of the decade, the man who won the lottery 14 times had already accumulated 12 victories between Australia and the UK.

The Big Scam In The United States

Mandel’s repeated success drew the attention of authorities. With each victory, both the Australian and British governments created new laws to prevent his scheme, such as prohibiting bulk ticket purchases or self-printing the slips. As the business became impossible in those countries, Mandel turned his eyes to the United States, seeking more fame than money.

He focused on the state of Virginia, which had cheap tickets and, crucially, allowed players to print their own tickets. In 1992, when the jackpot reached the desired amount, he and his team printed more than 7 million tickets. The operation was a race against time, and although they couldn’t buy 1 million combinations in time, they won. In addition to the main prize, they won the second, third, and dozens of smaller prizes, collecting over 30 million dollars in their biggest victory.

Does The Method Still Work Today?

Stefan Mandel’s victory in Virginia was the last. Just like in Australia, lottery laws in the United States quickly changed to prevent his strategy from being replicated. Today, the rules make Mandel’s method virtually impossible to execute legally.

Unknown Facts reminds us that similar strategies have been seen in Brazil, but in different contexts. In the 1990s, a federal deputy claimed to have won the lottery 221 times, stating that “God had helped him.” This case, however, raised suspicion of money laundering, remaining unresolved, unlike Mandel’s purely mathematical, albeit controversial, method.

Stefan Mandel’s story shows that mathematics can, indeed, “outsmart” a system designed for luck. Do you think his method was pure genius or an unethical way to exploit the rules of the game? Leave your opinion in the comments, we want to know what you think about using logic to beat chance.

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Carla Teles

Produzo conteúdos diários sobre economia, curiosidades, setor automotivo, tecnologia, inovação, construção e setor de petróleo e gás, com foco no que realmente importa para o mercado brasileiro. Aqui, você encontra oportunidades de trabalho atualizadas e as principais movimentações da indústria. Tem uma sugestão de pauta ou quer divulgar sua vaga? Fale comigo: carlatdl016@gmail.com

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