D’Alembert Strategy

Roulette Strategy, D'Alembert

Siteye Git

The D’Alembert strategy is a betting strategy named after the French mathematician Jean-Baptiste le Rond d’Alembert. It is often used in roulette, to provide a structured approach to betting and manage bankroll. The D’Alembert strategy is considered a mild progression system. The D’Alembert strategy follows a simple structure that only works on even bets, like red or black.


Siteye Git

Here’s how the D’Alembert strategy works in roulette:

  1. Start with a base unit: Begin by choosing your base unit, which represents the amount you want to wager on each bet.
  2. Increase after a loss, decrease after a win: If you lose a bet, you increase your next bet by one unit. Conversely, if you win a bet, you decrease your next bet by one unit.
  3. Repeat the process: Continue this pattern, increasing after a loss and decreasing after a win, as long as you keep playing.

The idea behind the D’Alembert strategy is to adjust your bets based on recent outcomes, assuming that wins and losses will balance out over time. By increasing bets after losses, you aim to recover previous losses with subsequent wins, and by decreasing bets after wins, you aim to protect your profits. Depending on which roulette variant you’re playing, the odds of you winning each bet are around 48%. In theory, over time this strategy could roughly even out your bets.

Siteye Git


How does D’Alembert Strategy work

Here is an example:

  1. Let’s say your base unit is $5.
  2. You place your first bet of $5 on an even-money bet option, such as red/black.
  3. Following the D’Alembert strategy, if you lose the bet, you increase your next bet by one unit. If you win the bet, you decrease your next bet by one unit.

Here’s a possible scenario of using the D’Alembert strategy:

  • Bet 1: You bet $5 on red and win. Your balance is now $10.
  • Bet 2: You bet $4 (decrease by one unit) on red and lose. Your balance is now $6.
  • Bet 3: You bet $5 (increase by one unit) on red and lose. Your balance is now $1.
  • Bet 4: You bet $6 (increase by one unit) on red and win. Your balance is now $7.
  • Bet 5: You bet $5 (decrease by one unit) on red and win. Your balance is now $10.

In this example, you reached your desired win goal of $10. You can choose to end the session here or continue playing with the D’Alembert strategy.

Siteye Git

One unique aspect of the D’Alembert strategy in roulette is that it offers a more conservative approach compared to some other betting systems. While many betting strategies, like the Martingale system, involve doubling bets after each loss, the D’Alembert strategy uses a more gradual and moderate progression.

However, it’s important to note that the D’Alembert strategy does not guarantee winning or change the odds of the game. Roulette outcomes are still based on chance, and the house edge remains the same.

It’s also crucial to be mindful of the potential limitations of any betting system. While the D’Alembert strategy can help manage bankroll and provide a structured approach to betting, it should be used with caution. Setting betting limits, playing responsibly, and understanding the risks associated with roulette are essential when implementing any betting system.


Siteye Git

Short Biography of Jean le Rond d’Alembert

Jean le Rond d’Alembert was an 18th-century French mathematician, physicist, and philosopher. Born on November 16, 1717, in Paris, he is known for his significant contributions to various fields of knowledge. D’Alembert was abandoned by his parents as an infant and was raised by a charitable glazier and his wife. He showed early aptitude for mathematics and was largely self-educated. D’Alembert is best known for his work in mathematics, including the development of the wave equation in partial differential equations and his contributions to the study of dynamics and mechanics. He played a crucial role in advancing the understanding of mathematical analysis. D’Alembert had a close professional relationship with another renowned mathematician, Leonhard Euler. They collaborated on various projects and shared ideas that contributed to the advancement of mathematics. D’Alembert also made contributions to physics, particularly in the study of fluid dynamics and gravitation. He also explored philosophical themes, such as determinism and materialism, and engaged in debates of his time. Jean le Rond d’Alembert passed away on October 29, 1783, in Paris. His contributions continue to influence various fields of study to this day. D’Alembert’s legacy extends beyond his individual achievements, as he was part of a broader intellectual movement that sought to advance human knowledge through reason and critical thinking during the Enlightenment period.

Scroll to Top